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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
50611577 | 4 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 5 | * EMULEX and SLI are trademarks of Emulex. * |
dea3101e | 6 | * www.emulex.com * |
c44ce173 | 7 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e | 8 | * * |
9 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
10 | * modify it under the terms of version 2 of the GNU General * |
11 | * Public License as published by the Free Software Foundation. * | |
12 | * This program is distributed in the hope that it will be useful. * | |
13 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
14 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
15 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
16 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
17 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
18 | * more details, a copy of which can be found in the file COPYING * | |
19 | * included with this package. * | |
dea3101e | 20 | *******************************************************************/ |
09372820 | 21 | /* See Fibre Channel protocol T11 FC-LS for details */ |
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
dea3101e | 25 | #include <linux/interrupt.h> |
26 | ||
91886523 | 27 | #include <scsi/scsi.h> |
dea3101e | 28 | #include <scsi/scsi_device.h> |
29 | #include <scsi/scsi_host.h> | |
30 | #include <scsi/scsi_transport_fc.h> | |
31 | ||
e74c03c8 | 32 | |
da0436e9 | 33 | #include "lpfc_hw4.h" |
dea3101e | 34 | #include "lpfc_hw.h" |
35 | #include "lpfc_sli.h" | |
da0436e9 | 36 | #include "lpfc_sli4.h" |
ea2151b4 | 37 | #include "lpfc_nl.h" |
dea3101e | 38 | #include "lpfc_disc.h" |
39 | #include "lpfc_scsi.h" | |
40 | #include "lpfc.h" | |
41 | #include "lpfc_logmsg.h" | |
42 | #include "lpfc_crtn.h" | |
92d7f7b0 | 43 | #include "lpfc_vport.h" |
858c9f6c | 44 | #include "lpfc_debugfs.h" |
dea3101e | 45 | |
46 | static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, | |
47 | struct lpfc_iocbq *); | |
92d7f7b0 JS |
48 | static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *, |
49 | struct lpfc_iocbq *); | |
a6ababd2 AB |
50 | static void lpfc_fabric_abort_vport(struct lpfc_vport *vport); |
51 | static int lpfc_issue_els_fdisc(struct lpfc_vport *vport, | |
52 | struct lpfc_nodelist *ndlp, uint8_t retry); | |
53 | static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba, | |
54 | struct lpfc_iocbq *iocb); | |
92d7f7b0 | 55 | |
dea3101e | 56 | static int lpfc_max_els_tries = 3; |
57 | ||
e59058c4 | 58 | /** |
3621a710 | 59 | * lpfc_els_chk_latt - Check host link attention event for a vport |
e59058c4 JS |
60 | * @vport: pointer to a host virtual N_Port data structure. |
61 | * | |
62 | * This routine checks whether there is an outstanding host link | |
63 | * attention event during the discovery process with the @vport. It is done | |
64 | * by reading the HBA's Host Attention (HA) register. If there is any host | |
65 | * link attention events during this @vport's discovery process, the @vport | |
66 | * shall be marked as FC_ABORT_DISCOVERY, a host link attention clear shall | |
67 | * be issued if the link state is not already in host link cleared state, | |
68 | * and a return code shall indicate whether the host link attention event | |
69 | * had happened. | |
70 | * | |
71 | * Note that, if either the host link is in state LPFC_LINK_DOWN or @vport | |
72 | * state in LPFC_VPORT_READY, the request for checking host link attention | |
73 | * event will be ignored and a return code shall indicate no host link | |
74 | * attention event had happened. | |
75 | * | |
76 | * Return codes | |
77 | * 0 - no host link attention event happened | |
78 | * 1 - host link attention event happened | |
79 | **/ | |
858c9f6c | 80 | int |
2e0fef85 | 81 | lpfc_els_chk_latt(struct lpfc_vport *vport) |
dea3101e | 82 | { |
2e0fef85 JS |
83 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
84 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 85 | uint32_t ha_copy; |
dea3101e | 86 | |
2e0fef85 | 87 | if (vport->port_state >= LPFC_VPORT_READY || |
3772a991 JS |
88 | phba->link_state == LPFC_LINK_DOWN || |
89 | phba->sli_rev > LPFC_SLI_REV3) | |
dea3101e | 90 | return 0; |
91 | ||
92 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
93 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
94 | return 1; | |
dea3101e | 95 | |
96 | if (!(ha_copy & HA_LATT)) | |
97 | return 0; | |
98 | ||
99 | /* Pending Link Event during Discovery */ | |
e8b62011 JS |
100 | lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, |
101 | "0237 Pending Link Event during " | |
102 | "Discovery: State x%x\n", | |
103 | phba->pport->port_state); | |
dea3101e | 104 | |
105 | /* CLEAR_LA should re-enable link attention events and | |
25985edc | 106 | * we should then immediately take a LATT event. The |
dea3101e | 107 | * LATT processing should call lpfc_linkdown() which |
108 | * will cleanup any left over in-progress discovery | |
109 | * events. | |
110 | */ | |
2e0fef85 JS |
111 | spin_lock_irq(shost->host_lock); |
112 | vport->fc_flag |= FC_ABORT_DISCOVERY; | |
113 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 114 | |
92d7f7b0 | 115 | if (phba->link_state != LPFC_CLEAR_LA) |
ed957684 | 116 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 117 | |
c9f8735b | 118 | return 1; |
dea3101e | 119 | } |
120 | ||
e59058c4 | 121 | /** |
3621a710 | 122 | * lpfc_prep_els_iocb - Allocate and prepare a lpfc iocb data structure |
e59058c4 JS |
123 | * @vport: pointer to a host virtual N_Port data structure. |
124 | * @expectRsp: flag indicating whether response is expected. | |
125 | * @cmdSize: size of the ELS command. | |
126 | * @retry: number of retries to the command IOCB when it fails. | |
127 | * @ndlp: pointer to a node-list data structure. | |
128 | * @did: destination identifier. | |
129 | * @elscmd: the ELS command code. | |
130 | * | |
131 | * This routine is used for allocating a lpfc-IOCB data structure from | |
132 | * the driver lpfc-IOCB free-list and prepare the IOCB with the parameters | |
133 | * passed into the routine for discovery state machine to issue an Extended | |
134 | * Link Service (ELS) commands. It is a generic lpfc-IOCB allocation | |
135 | * and preparation routine that is used by all the discovery state machine | |
136 | * routines and the ELS command-specific fields will be later set up by | |
137 | * the individual discovery machine routines after calling this routine | |
138 | * allocating and preparing a generic IOCB data structure. It fills in the | |
139 | * Buffer Descriptor Entries (BDEs), allocates buffers for both command | |
140 | * payload and response payload (if expected). The reference count on the | |
141 | * ndlp is incremented by 1 and the reference to the ndlp is put into | |
142 | * context1 of the IOCB data structure for this IOCB to hold the ndlp | |
143 | * reference for the command's callback function to access later. | |
144 | * | |
145 | * Return code | |
146 | * Pointer to the newly allocated/prepared els iocb data structure | |
147 | * NULL - when els iocb data structure allocation/preparation failed | |
148 | **/ | |
f1c3b0fc | 149 | struct lpfc_iocbq * |
2e0fef85 JS |
150 | lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, |
151 | uint16_t cmdSize, uint8_t retry, | |
152 | struct lpfc_nodelist *ndlp, uint32_t did, | |
153 | uint32_t elscmd) | |
dea3101e | 154 | { |
2e0fef85 | 155 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 | 156 | struct lpfc_iocbq *elsiocb; |
dea3101e | 157 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
158 | struct ulp_bde64 *bpl; | |
159 | IOCB_t *icmd; | |
160 | ||
dea3101e | 161 | |
2e0fef85 JS |
162 | if (!lpfc_is_link_up(phba)) |
163 | return NULL; | |
dea3101e | 164 | |
dea3101e | 165 | /* Allocate buffer for command iocb */ |
0bd4ca25 | 166 | elsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 167 | |
168 | if (elsiocb == NULL) | |
169 | return NULL; | |
e47c9093 | 170 | |
0c287589 JS |
171 | /* |
172 | * If this command is for fabric controller and HBA running | |
173 | * in FIP mode send FLOGI, FDISC and LOGO as FIP frames. | |
174 | */ | |
175 | if ((did == Fabric_DID) && | |
45ed1190 | 176 | (phba->hba_flag & HBA_FIP_SUPPORT) && |
0c287589 JS |
177 | ((elscmd == ELS_CMD_FLOGI) || |
178 | (elscmd == ELS_CMD_FDISC) || | |
179 | (elscmd == ELS_CMD_LOGO))) | |
c868595d JS |
180 | switch (elscmd) { |
181 | case ELS_CMD_FLOGI: | |
f0d9bccc JS |
182 | elsiocb->iocb_flag |= |
183 | ((LPFC_ELS_ID_FLOGI << LPFC_FIP_ELS_ID_SHIFT) | |
c868595d JS |
184 | & LPFC_FIP_ELS_ID_MASK); |
185 | break; | |
186 | case ELS_CMD_FDISC: | |
f0d9bccc JS |
187 | elsiocb->iocb_flag |= |
188 | ((LPFC_ELS_ID_FDISC << LPFC_FIP_ELS_ID_SHIFT) | |
c868595d JS |
189 | & LPFC_FIP_ELS_ID_MASK); |
190 | break; | |
191 | case ELS_CMD_LOGO: | |
f0d9bccc JS |
192 | elsiocb->iocb_flag |= |
193 | ((LPFC_ELS_ID_LOGO << LPFC_FIP_ELS_ID_SHIFT) | |
c868595d JS |
194 | & LPFC_FIP_ELS_ID_MASK); |
195 | break; | |
196 | } | |
0c287589 | 197 | else |
c868595d | 198 | elsiocb->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; |
0c287589 | 199 | |
dea3101e | 200 | icmd = &elsiocb->iocb; |
201 | ||
202 | /* fill in BDEs for command */ | |
203 | /* Allocate buffer for command payload */ | |
98c9ea5c JS |
204 | pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
205 | if (pcmd) | |
206 | pcmd->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &pcmd->phys); | |
fa4066b6 JS |
207 | if (!pcmd || !pcmd->virt) |
208 | goto els_iocb_free_pcmb_exit; | |
dea3101e | 209 | |
210 | INIT_LIST_HEAD(&pcmd->list); | |
211 | ||
212 | /* Allocate buffer for response payload */ | |
213 | if (expectRsp) { | |
92d7f7b0 | 214 | prsp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
dea3101e | 215 | if (prsp) |
216 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
217 | &prsp->phys); | |
fa4066b6 JS |
218 | if (!prsp || !prsp->virt) |
219 | goto els_iocb_free_prsp_exit; | |
dea3101e | 220 | INIT_LIST_HEAD(&prsp->list); |
e47c9093 | 221 | } else |
dea3101e | 222 | prsp = NULL; |
dea3101e | 223 | |
224 | /* Allocate buffer for Buffer ptr list */ | |
92d7f7b0 | 225 | pbuflist = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
dea3101e | 226 | if (pbuflist) |
ed957684 JS |
227 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
228 | &pbuflist->phys); | |
fa4066b6 JS |
229 | if (!pbuflist || !pbuflist->virt) |
230 | goto els_iocb_free_pbuf_exit; | |
dea3101e | 231 | |
232 | INIT_LIST_HEAD(&pbuflist->list); | |
233 | ||
dea3101e | 234 | if (expectRsp) { |
939723a4 JS |
235 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); |
236 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); | |
237 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; | |
92d7f7b0 | 238 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64)); |
939723a4 JS |
239 | |
240 | icmd->un.elsreq64.remoteID = did; /* DID */ | |
dea3101e | 241 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
88f43a08 JS |
242 | if (elscmd == ELS_CMD_FLOGI) |
243 | icmd->ulpTimeout = FF_DEF_RATOV * 2; | |
244 | else | |
245 | icmd->ulpTimeout = phba->fc_ratov * 2; | |
dea3101e | 246 | } else { |
939723a4 JS |
247 | icmd->un.xseq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); |
248 | icmd->un.xseq64.bdl.addrLow = putPaddrLow(pbuflist->phys); | |
249 | icmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64; | |
250 | icmd->un.xseq64.bdl.bdeSize = sizeof(struct ulp_bde64); | |
251 | icmd->un.xseq64.xmit_els_remoteID = did; /* DID */ | |
dea3101e | 252 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; |
253 | } | |
dea3101e | 254 | icmd->ulpBdeCount = 1; |
255 | icmd->ulpLe = 1; | |
256 | icmd->ulpClass = CLASS3; | |
257 | ||
939723a4 JS |
258 | /* |
259 | * If we have NPIV enabled, we want to send ELS traffic by VPI. | |
260 | * For SLI4, since the driver controls VPIs we also want to include | |
261 | * all ELS pt2pt protocol traffic as well. | |
262 | */ | |
263 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) || | |
264 | ((phba->sli_rev == LPFC_SLI_REV4) && | |
265 | (vport->fc_flag & FC_PT2PT))) { | |
266 | ||
267 | if (expectRsp) { | |
268 | icmd->un.elsreq64.myID = vport->fc_myDID; | |
269 | ||
270 | /* For ELS_REQUEST64_CR, use the VPI by default */ | |
271 | icmd->ulpContext = phba->vpi_ids[vport->vpi]; | |
272 | } | |
92d7f7b0 | 273 | |
92d7f7b0 | 274 | icmd->ulpCt_h = 0; |
eada272d JS |
275 | /* The CT field must be 0=INVALID_RPI for the ECHO cmd */ |
276 | if (elscmd == ELS_CMD_ECHO) | |
277 | icmd->ulpCt_l = 0; /* context = invalid RPI */ | |
278 | else | |
279 | icmd->ulpCt_l = 1; /* context = VPI */ | |
92d7f7b0 JS |
280 | } |
281 | ||
dea3101e | 282 | bpl = (struct ulp_bde64 *) pbuflist->virt; |
283 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); | |
284 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); | |
285 | bpl->tus.f.bdeSize = cmdSize; | |
286 | bpl->tus.f.bdeFlags = 0; | |
287 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
288 | ||
289 | if (expectRsp) { | |
290 | bpl++; | |
291 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); | |
292 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); | |
293 | bpl->tus.f.bdeSize = FCELSSIZE; | |
34b02dcd | 294 | bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64; |
dea3101e | 295 | bpl->tus.w = le32_to_cpu(bpl->tus.w); |
296 | } | |
297 | ||
fa4066b6 | 298 | /* prevent preparing iocb with NULL ndlp reference */ |
51ef4c26 | 299 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
fa4066b6 JS |
300 | if (!elsiocb->context1) |
301 | goto els_iocb_free_pbuf_exit; | |
329f9bc7 JS |
302 | elsiocb->context2 = pcmd; |
303 | elsiocb->context3 = pbuflist; | |
dea3101e | 304 | elsiocb->retry = retry; |
2e0fef85 | 305 | elsiocb->vport = vport; |
dea3101e | 306 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; |
307 | ||
308 | if (prsp) { | |
309 | list_add(&prsp->list, &pcmd->list); | |
310 | } | |
dea3101e | 311 | if (expectRsp) { |
312 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
313 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
314 | "0116 Xmit ELS command x%x to remote " | |
e74c03c8 JS |
315 | "NPORT x%x I/O tag: x%x, port state:x%x" |
316 | " fc_flag:x%x\n", | |
e8b62011 | 317 | elscmd, did, elsiocb->iotag, |
e74c03c8 JS |
318 | vport->port_state, |
319 | vport->fc_flag); | |
dea3101e | 320 | } else { |
321 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
322 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
323 | "0117 Xmit ELS response x%x to remote " | |
e74c03c8 JS |
324 | "NPORT x%x I/O tag: x%x, size: x%x " |
325 | "port_state x%x fc_flag x%x\n", | |
e8b62011 | 326 | elscmd, ndlp->nlp_DID, elsiocb->iotag, |
e74c03c8 JS |
327 | cmdSize, vport->port_state, |
328 | vport->fc_flag); | |
dea3101e | 329 | } |
c9f8735b | 330 | return elsiocb; |
dea3101e | 331 | |
fa4066b6 | 332 | els_iocb_free_pbuf_exit: |
eaf15d5b JS |
333 | if (expectRsp) |
334 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); | |
fa4066b6 JS |
335 | kfree(pbuflist); |
336 | ||
337 | els_iocb_free_prsp_exit: | |
338 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); | |
339 | kfree(prsp); | |
340 | ||
341 | els_iocb_free_pcmb_exit: | |
342 | kfree(pcmd); | |
343 | lpfc_sli_release_iocbq(phba, elsiocb); | |
344 | return NULL; | |
345 | } | |
dea3101e | 346 | |
e59058c4 | 347 | /** |
3621a710 | 348 | * lpfc_issue_fabric_reglogin - Issue fabric registration login for a vport |
e59058c4 JS |
349 | * @vport: pointer to a host virtual N_Port data structure. |
350 | * | |
351 | * This routine issues a fabric registration login for a @vport. An | |
352 | * active ndlp node with Fabric_DID must already exist for this @vport. | |
353 | * The routine invokes two mailbox commands to carry out fabric registration | |
354 | * login through the HBA firmware: the first mailbox command requests the | |
355 | * HBA to perform link configuration for the @vport; and the second mailbox | |
356 | * command requests the HBA to perform the actual fabric registration login | |
357 | * with the @vport. | |
358 | * | |
359 | * Return code | |
360 | * 0 - successfully issued fabric registration login for @vport | |
361 | * -ENXIO -- failed to issue fabric registration login for @vport | |
362 | **/ | |
3772a991 | 363 | int |
92d7f7b0 | 364 | lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) |
dea3101e | 365 | { |
2e0fef85 | 366 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 367 | LPFC_MBOXQ_t *mbox; |
14691150 | 368 | struct lpfc_dmabuf *mp; |
92d7f7b0 JS |
369 | struct lpfc_nodelist *ndlp; |
370 | struct serv_parm *sp; | |
dea3101e | 371 | int rc; |
98c9ea5c | 372 | int err = 0; |
dea3101e | 373 | |
92d7f7b0 JS |
374 | sp = &phba->fc_fabparam; |
375 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
e47c9093 | 376 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
98c9ea5c | 377 | err = 1; |
92d7f7b0 | 378 | goto fail; |
98c9ea5c | 379 | } |
92d7f7b0 JS |
380 | |
381 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
98c9ea5c JS |
382 | if (!mbox) { |
383 | err = 2; | |
92d7f7b0 | 384 | goto fail; |
98c9ea5c | 385 | } |
92d7f7b0 JS |
386 | |
387 | vport->port_state = LPFC_FABRIC_CFG_LINK; | |
388 | lpfc_config_link(phba, mbox); | |
389 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
390 | mbox->vport = vport; | |
391 | ||
0b727fea | 392 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
98c9ea5c JS |
393 | if (rc == MBX_NOT_FINISHED) { |
394 | err = 3; | |
92d7f7b0 | 395 | goto fail_free_mbox; |
98c9ea5c | 396 | } |
92d7f7b0 JS |
397 | |
398 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
98c9ea5c JS |
399 | if (!mbox) { |
400 | err = 4; | |
92d7f7b0 | 401 | goto fail; |
98c9ea5c | 402 | } |
4042629e JS |
403 | rc = lpfc_reg_rpi(phba, vport->vpi, Fabric_DID, (uint8_t *)sp, mbox, |
404 | ndlp->nlp_rpi); | |
98c9ea5c JS |
405 | if (rc) { |
406 | err = 5; | |
92d7f7b0 | 407 | goto fail_free_mbox; |
98c9ea5c | 408 | } |
92d7f7b0 JS |
409 | |
410 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; | |
411 | mbox->vport = vport; | |
e47c9093 JS |
412 | /* increment the reference count on ndlp to hold reference |
413 | * for the callback routine. | |
414 | */ | |
92d7f7b0 JS |
415 | mbox->context2 = lpfc_nlp_get(ndlp); |
416 | ||
0b727fea | 417 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); |
98c9ea5c JS |
418 | if (rc == MBX_NOT_FINISHED) { |
419 | err = 6; | |
92d7f7b0 | 420 | goto fail_issue_reg_login; |
98c9ea5c | 421 | } |
92d7f7b0 JS |
422 | |
423 | return 0; | |
424 | ||
425 | fail_issue_reg_login: | |
e47c9093 JS |
426 | /* decrement the reference count on ndlp just incremented |
427 | * for the failed mbox command. | |
428 | */ | |
92d7f7b0 JS |
429 | lpfc_nlp_put(ndlp); |
430 | mp = (struct lpfc_dmabuf *) mbox->context1; | |
431 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
432 | kfree(mp); | |
433 | fail_free_mbox: | |
434 | mempool_free(mbox, phba->mbox_mem_pool); | |
435 | ||
436 | fail: | |
437 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 | 438 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
98c9ea5c | 439 | "0249 Cannot issue Register Fabric login: Err %d\n", err); |
92d7f7b0 JS |
440 | return -ENXIO; |
441 | } | |
442 | ||
6fb120a7 JS |
443 | /** |
444 | * lpfc_issue_reg_vfi - Register VFI for this vport's fabric login | |
445 | * @vport: pointer to a host virtual N_Port data structure. | |
446 | * | |
447 | * This routine issues a REG_VFI mailbox for the vfi, vpi, fcfi triplet for | |
1b51197d | 448 | * the @vport. This mailbox command is necessary for SLI4 port only. |
6fb120a7 JS |
449 | * |
450 | * Return code | |
451 | * 0 - successfully issued REG_VFI for @vport | |
452 | * A failure code otherwise. | |
453 | **/ | |
1b51197d | 454 | int |
6fb120a7 JS |
455 | lpfc_issue_reg_vfi(struct lpfc_vport *vport) |
456 | { | |
457 | struct lpfc_hba *phba = vport->phba; | |
d6de08cc | 458 | LPFC_MBOXQ_t *mboxq = NULL; |
6fb120a7 | 459 | struct lpfc_nodelist *ndlp; |
d6de08cc | 460 | struct lpfc_dmabuf *dmabuf = NULL; |
6fb120a7 JS |
461 | int rc = 0; |
462 | ||
939723a4 | 463 | /* move forward in case of SLI4 FC port loopback test and pt2pt mode */ |
1b51197d | 464 | if ((phba->sli_rev == LPFC_SLI_REV4) && |
939723a4 JS |
465 | !(phba->link_flag & LS_LOOPBACK_MODE) && |
466 | !(vport->fc_flag & FC_PT2PT)) { | |
1b51197d JS |
467 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
468 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { | |
469 | rc = -ENODEV; | |
470 | goto fail; | |
471 | } | |
6fb120a7 JS |
472 | } |
473 | ||
d6de08cc JS |
474 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
475 | if (!mboxq) { | |
6fb120a7 JS |
476 | rc = -ENOMEM; |
477 | goto fail; | |
478 | } | |
6d368e53 | 479 | |
d6de08cc JS |
480 | /* Supply CSP's only if we are fabric connect or pt-to-pt connect */ |
481 | if ((vport->fc_flag & FC_FABRIC) || (vport->fc_flag & FC_PT2PT)) { | |
482 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
483 | if (!dmabuf) { | |
484 | rc = -ENOMEM; | |
485 | goto fail; | |
486 | } | |
487 | dmabuf->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &dmabuf->phys); | |
488 | if (!dmabuf->virt) { | |
489 | rc = -ENOMEM; | |
490 | goto fail; | |
491 | } | |
492 | memcpy(dmabuf->virt, &phba->fc_fabparam, | |
493 | sizeof(struct serv_parm)); | |
6fb120a7 | 494 | } |
d6de08cc | 495 | |
6fb120a7 | 496 | vport->port_state = LPFC_FABRIC_CFG_LINK; |
d6de08cc JS |
497 | if (dmabuf) |
498 | lpfc_reg_vfi(mboxq, vport, dmabuf->phys); | |
499 | else | |
500 | lpfc_reg_vfi(mboxq, vport, 0); | |
ae05ebe3 | 501 | |
6fb120a7 JS |
502 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_reg_vfi; |
503 | mboxq->vport = vport; | |
504 | mboxq->context1 = dmabuf; | |
505 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
506 | if (rc == MBX_NOT_FINISHED) { | |
507 | rc = -ENXIO; | |
d6de08cc | 508 | goto fail; |
6fb120a7 JS |
509 | } |
510 | return 0; | |
511 | ||
6fb120a7 | 512 | fail: |
d6de08cc JS |
513 | if (mboxq) |
514 | mempool_free(mboxq, phba->mbox_mem_pool); | |
515 | if (dmabuf) { | |
516 | if (dmabuf->virt) | |
517 | lpfc_mbuf_free(phba, dmabuf->virt, dmabuf->phys); | |
518 | kfree(dmabuf); | |
519 | } | |
520 | ||
6fb120a7 JS |
521 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
522 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
523 | "0289 Issue Register VFI failed: Err %d\n", rc); | |
524 | return rc; | |
525 | } | |
526 | ||
1b51197d JS |
527 | /** |
528 | * lpfc_issue_unreg_vfi - Unregister VFI for this vport's fabric login | |
529 | * @vport: pointer to a host virtual N_Port data structure. | |
530 | * | |
531 | * This routine issues a UNREG_VFI mailbox with the vfi, vpi, fcfi triplet for | |
532 | * the @vport. This mailbox command is necessary for SLI4 port only. | |
533 | * | |
534 | * Return code | |
535 | * 0 - successfully issued REG_VFI for @vport | |
536 | * A failure code otherwise. | |
537 | **/ | |
538 | int | |
539 | lpfc_issue_unreg_vfi(struct lpfc_vport *vport) | |
540 | { | |
541 | struct lpfc_hba *phba = vport->phba; | |
542 | struct Scsi_Host *shost; | |
543 | LPFC_MBOXQ_t *mboxq; | |
544 | int rc; | |
545 | ||
546 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
547 | if (!mboxq) { | |
548 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
549 | "2556 UNREG_VFI mbox allocation failed" | |
550 | "HBA state x%x\n", phba->pport->port_state); | |
551 | return -ENOMEM; | |
552 | } | |
553 | ||
554 | lpfc_unreg_vfi(mboxq, vport); | |
555 | mboxq->vport = vport; | |
556 | mboxq->mbox_cmpl = lpfc_unregister_vfi_cmpl; | |
557 | ||
558 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
559 | if (rc == MBX_NOT_FINISHED) { | |
560 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX, | |
561 | "2557 UNREG_VFI issue mbox failed rc x%x " | |
562 | "HBA state x%x\n", | |
563 | rc, phba->pport->port_state); | |
564 | mempool_free(mboxq, phba->mbox_mem_pool); | |
565 | return -EIO; | |
566 | } | |
567 | ||
568 | shost = lpfc_shost_from_vport(vport); | |
569 | spin_lock_irq(shost->host_lock); | |
570 | vport->fc_flag &= ~FC_VFI_REGISTERED; | |
571 | spin_unlock_irq(shost->host_lock); | |
572 | return 0; | |
573 | } | |
574 | ||
92494144 JS |
575 | /** |
576 | * lpfc_check_clean_addr_bit - Check whether assigned FCID is clean. | |
577 | * @vport: pointer to a host virtual N_Port data structure. | |
578 | * @sp: pointer to service parameter data structure. | |
579 | * | |
580 | * This routine is called from FLOGI/FDISC completion handler functions. | |
581 | * lpfc_check_clean_addr_bit return 1 when FCID/Fabric portname/ Fabric | |
582 | * node nodename is changed in the completion service parameter else return | |
583 | * 0. This function also set flag in the vport data structure to delay | |
584 | * NP_Port discovery after the FLOGI/FDISC completion if Clean address bit | |
585 | * in FLOGI/FDISC response is cleared and FCID/Fabric portname/ Fabric | |
586 | * node nodename is changed in the completion service parameter. | |
587 | * | |
588 | * Return code | |
589 | * 0 - FCID and Fabric Nodename and Fabric portname is not changed. | |
590 | * 1 - FCID or Fabric Nodename or Fabric portname is changed. | |
591 | * | |
592 | **/ | |
593 | static uint8_t | |
594 | lpfc_check_clean_addr_bit(struct lpfc_vport *vport, | |
595 | struct serv_parm *sp) | |
596 | { | |
597 | uint8_t fabric_param_changed = 0; | |
598 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
599 | ||
600 | if ((vport->fc_prevDID != vport->fc_myDID) || | |
601 | memcmp(&vport->fabric_portname, &sp->portName, | |
602 | sizeof(struct lpfc_name)) || | |
603 | memcmp(&vport->fabric_nodename, &sp->nodeName, | |
604 | sizeof(struct lpfc_name))) | |
605 | fabric_param_changed = 1; | |
606 | ||
607 | /* | |
608 | * Word 1 Bit 31 in common service parameter is overloaded. | |
609 | * Word 1 Bit 31 in FLOGI request is multiple NPort request | |
610 | * Word 1 Bit 31 in FLOGI response is clean address bit | |
611 | * | |
612 | * If fabric parameter is changed and clean address bit is | |
613 | * cleared delay nport discovery if | |
614 | * - vport->fc_prevDID != 0 (not initial discovery) OR | |
615 | * - lpfc_delay_discovery module parameter is set. | |
616 | */ | |
617 | if (fabric_param_changed && !sp->cmn.clean_address_bit && | |
618 | (vport->fc_prevDID || lpfc_delay_discovery)) { | |
619 | spin_lock_irq(shost->host_lock); | |
620 | vport->fc_flag |= FC_DISC_DELAYED; | |
621 | spin_unlock_irq(shost->host_lock); | |
622 | } | |
623 | ||
624 | return fabric_param_changed; | |
625 | } | |
626 | ||
627 | ||
e59058c4 | 628 | /** |
3621a710 | 629 | * lpfc_cmpl_els_flogi_fabric - Completion function for flogi to a fabric port |
e59058c4 JS |
630 | * @vport: pointer to a host virtual N_Port data structure. |
631 | * @ndlp: pointer to a node-list data structure. | |
632 | * @sp: pointer to service parameter data structure. | |
633 | * @irsp: pointer to the IOCB within the lpfc response IOCB. | |
634 | * | |
635 | * This routine is invoked by the lpfc_cmpl_els_flogi() completion callback | |
636 | * function to handle the completion of a Fabric Login (FLOGI) into a fabric | |
637 | * port in a fabric topology. It properly sets up the parameters to the @ndlp | |
638 | * from the IOCB response. It also check the newly assigned N_Port ID to the | |
639 | * @vport against the previously assigned N_Port ID. If it is different from | |
640 | * the previously assigned Destination ID (DID), the lpfc_unreg_rpi() routine | |
641 | * is invoked on all the remaining nodes with the @vport to unregister the | |
642 | * Remote Port Indicators (RPIs). Finally, the lpfc_issue_fabric_reglogin() | |
643 | * is invoked to register login to the fabric. | |
644 | * | |
645 | * Return code | |
646 | * 0 - Success (currently, always return 0) | |
647 | **/ | |
92d7f7b0 JS |
648 | static int |
649 | lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
650 | struct serv_parm *sp, IOCB_t *irsp) | |
651 | { | |
652 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
653 | struct lpfc_hba *phba = vport->phba; | |
654 | struct lpfc_nodelist *np; | |
655 | struct lpfc_nodelist *next_np; | |
92494144 | 656 | uint8_t fabric_param_changed; |
92d7f7b0 | 657 | |
2e0fef85 JS |
658 | spin_lock_irq(shost->host_lock); |
659 | vport->fc_flag |= FC_FABRIC; | |
660 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 661 | |
662 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); | |
663 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ | |
664 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; | |
665 | ||
12265f68 | 666 | phba->fc_edtovResol = sp->cmn.edtovResolution; |
dea3101e | 667 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; |
668 | ||
76a95d75 | 669 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
2e0fef85 JS |
670 | spin_lock_irq(shost->host_lock); |
671 | vport->fc_flag |= FC_PUBLIC_LOOP; | |
672 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 673 | } |
674 | ||
2e0fef85 | 675 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
dea3101e | 676 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); |
92d7f7b0 | 677 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof(struct lpfc_name)); |
dea3101e | 678 | ndlp->nlp_class_sup = 0; |
679 | if (sp->cls1.classValid) | |
680 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
681 | if (sp->cls2.classValid) | |
682 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
683 | if (sp->cls3.classValid) | |
684 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
685 | if (sp->cls4.classValid) | |
686 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
687 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | | |
688 | sp->cmn.bbRcvSizeLsb; | |
92494144 JS |
689 | |
690 | fabric_param_changed = lpfc_check_clean_addr_bit(vport, sp); | |
4258e98e JS |
691 | if (fabric_param_changed) { |
692 | /* Reset FDMI attribute masks based on config parameter */ | |
8663cbbe JS |
693 | if (phba->cfg_enable_SmartSAN || |
694 | (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) { | |
4258e98e JS |
695 | /* Setup appropriate attribute masks */ |
696 | vport->fdmi_hba_mask = LPFC_FDMI2_HBA_ATTR; | |
8663cbbe | 697 | if (phba->cfg_enable_SmartSAN) |
4258e98e JS |
698 | vport->fdmi_port_mask = LPFC_FDMI2_SMART_ATTR; |
699 | else | |
700 | vport->fdmi_port_mask = LPFC_FDMI2_PORT_ATTR; | |
8663cbbe JS |
701 | } else { |
702 | vport->fdmi_hba_mask = 0; | |
703 | vport->fdmi_port_mask = 0; | |
4258e98e JS |
704 | } |
705 | ||
706 | } | |
92494144 JS |
707 | memcpy(&vport->fabric_portname, &sp->portName, |
708 | sizeof(struct lpfc_name)); | |
709 | memcpy(&vport->fabric_nodename, &sp->nodeName, | |
710 | sizeof(struct lpfc_name)); | |
dea3101e | 711 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); |
712 | ||
92d7f7b0 JS |
713 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
714 | if (sp->cmn.response_multiple_NPort) { | |
e8b62011 JS |
715 | lpfc_printf_vlog(vport, KERN_WARNING, |
716 | LOG_ELS | LOG_VPORT, | |
717 | "1816 FLOGI NPIV supported, " | |
718 | "response data 0x%x\n", | |
719 | sp->cmn.response_multiple_NPort); | |
1b51197d | 720 | spin_lock_irq(&phba->hbalock); |
92d7f7b0 | 721 | phba->link_flag |= LS_NPIV_FAB_SUPPORTED; |
1b51197d | 722 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 JS |
723 | } else { |
724 | /* Because we asked f/w for NPIV it still expects us | |
e8b62011 JS |
725 | to call reg_vnpid atleast for the physcial host */ |
726 | lpfc_printf_vlog(vport, KERN_WARNING, | |
727 | LOG_ELS | LOG_VPORT, | |
728 | "1817 Fabric does not support NPIV " | |
729 | "- configuring single port mode.\n"); | |
1b51197d | 730 | spin_lock_irq(&phba->hbalock); |
92d7f7b0 | 731 | phba->link_flag &= ~LS_NPIV_FAB_SUPPORTED; |
1b51197d | 732 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 JS |
733 | } |
734 | } | |
dea3101e | 735 | |
ae05ebe3 JS |
736 | /* |
737 | * For FC we need to do some special processing because of the SLI | |
738 | * Port's default settings of the Common Service Parameters. | |
739 | */ | |
d6de08cc JS |
740 | if ((phba->sli_rev == LPFC_SLI_REV4) && |
741 | (phba->sli4_hba.lnk_info.lnk_tp == LPFC_LNK_TYPE_FC)) { | |
ae05ebe3 | 742 | /* If physical FC port changed, unreg VFI and ALL VPIs / RPIs */ |
d6de08cc | 743 | if (fabric_param_changed) |
ae05ebe3 JS |
744 | lpfc_unregister_fcf_prep(phba); |
745 | ||
746 | /* This should just update the VFI CSPs*/ | |
747 | if (vport->fc_flag & FC_VFI_REGISTERED) | |
748 | lpfc_issue_reg_vfi(vport); | |
749 | } | |
750 | ||
92494144 | 751 | if (fabric_param_changed && |
92d7f7b0 | 752 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { |
dea3101e | 753 | |
92d7f7b0 JS |
754 | /* If our NportID changed, we need to ensure all |
755 | * remaining NPORTs get unreg_login'ed. | |
756 | */ | |
757 | list_for_each_entry_safe(np, next_np, | |
758 | &vport->fc_nodes, nlp_listp) { | |
d7c255b2 | 759 | if (!NLP_CHK_NODE_ACT(np)) |
e47c9093 | 760 | continue; |
92d7f7b0 JS |
761 | if ((np->nlp_state != NLP_STE_NPR_NODE) || |
762 | !(np->nlp_flag & NLP_NPR_ADISC)) | |
763 | continue; | |
764 | spin_lock_irq(shost->host_lock); | |
765 | np->nlp_flag &= ~NLP_NPR_ADISC; | |
766 | spin_unlock_irq(shost->host_lock); | |
767 | lpfc_unreg_rpi(vport, np); | |
768 | } | |
78730cfe | 769 | lpfc_cleanup_pending_mbox(vport); |
5af5eee7 | 770 | |
5248a749 | 771 | if (phba->sli_rev == LPFC_SLI_REV4) { |
5af5eee7 | 772 | lpfc_sli4_unreg_all_rpis(vport); |
92d7f7b0 | 773 | lpfc_mbx_unreg_vpi(vport); |
09372820 | 774 | spin_lock_irq(shost->host_lock); |
ecfd03c6 JS |
775 | vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; |
776 | spin_unlock_irq(shost->host_lock); | |
777 | } | |
27aa1b73 JS |
778 | |
779 | /* | |
780 | * For SLI3 and SLI4, the VPI needs to be reregistered in | |
781 | * response to this fabric parameter change event. | |
782 | */ | |
783 | spin_lock_irq(shost->host_lock); | |
784 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
785 | spin_unlock_irq(shost->host_lock); | |
38b92ef8 JS |
786 | } else if ((phba->sli_rev == LPFC_SLI_REV4) && |
787 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { | |
788 | /* | |
789 | * Driver needs to re-reg VPI in order for f/w | |
790 | * to update the MAC address. | |
791 | */ | |
9589b062 | 792 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); |
38b92ef8 JS |
793 | lpfc_register_new_vport(phba, vport, ndlp); |
794 | return 0; | |
92d7f7b0 | 795 | } |
dea3101e | 796 | |
6fb120a7 JS |
797 | if (phba->sli_rev < LPFC_SLI_REV4) { |
798 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); | |
799 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && | |
800 | vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) | |
801 | lpfc_register_new_vport(phba, vport, ndlp); | |
802 | else | |
803 | lpfc_issue_fabric_reglogin(vport); | |
804 | } else { | |
805 | ndlp->nlp_type |= NLP_FABRIC; | |
806 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); | |
695a814e JS |
807 | if ((!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) && |
808 | (vport->vpi_state & LPFC_VPI_REGISTERED)) { | |
6fb120a7 JS |
809 | lpfc_start_fdiscs(phba); |
810 | lpfc_do_scr_ns_plogi(phba, vport); | |
695a814e | 811 | } else if (vport->fc_flag & FC_VFI_REGISTERED) |
ecfd03c6 | 812 | lpfc_issue_init_vpi(vport); |
1b51197d JS |
813 | else { |
814 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
815 | "3135 Need register VFI: (x%x/%x)\n", | |
816 | vport->fc_prevDID, vport->fc_myDID); | |
6fb120a7 | 817 | lpfc_issue_reg_vfi(vport); |
1b51197d | 818 | } |
92d7f7b0 | 819 | } |
dea3101e | 820 | return 0; |
dea3101e | 821 | } |
1b51197d | 822 | |
e59058c4 | 823 | /** |
3621a710 | 824 | * lpfc_cmpl_els_flogi_nport - Completion function for flogi to an N_Port |
e59058c4 JS |
825 | * @vport: pointer to a host virtual N_Port data structure. |
826 | * @ndlp: pointer to a node-list data structure. | |
827 | * @sp: pointer to service parameter data structure. | |
828 | * | |
829 | * This routine is invoked by the lpfc_cmpl_els_flogi() completion callback | |
830 | * function to handle the completion of a Fabric Login (FLOGI) into an N_Port | |
831 | * in a point-to-point topology. First, the @vport's N_Port Name is compared | |
832 | * with the received N_Port Name: if the @vport's N_Port Name is greater than | |
833 | * the received N_Port Name lexicographically, this node shall assign local | |
834 | * N_Port ID (PT2PT_LocalID: 1) and remote N_Port ID (PT2PT_RemoteID: 2) and | |
835 | * will send out Port Login (PLOGI) with the N_Port IDs assigned. Otherwise, | |
836 | * this node shall just wait for the remote node to issue PLOGI and assign | |
837 | * N_Port IDs. | |
838 | * | |
839 | * Return code | |
840 | * 0 - Success | |
841 | * -ENXIO - Fail | |
842 | **/ | |
dea3101e | 843 | static int |
2e0fef85 JS |
844 | lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
845 | struct serv_parm *sp) | |
dea3101e | 846 | { |
2e0fef85 JS |
847 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
848 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 849 | LPFC_MBOXQ_t *mbox; |
850 | int rc; | |
851 | ||
2e0fef85 JS |
852 | spin_lock_irq(shost->host_lock); |
853 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
d6de08cc | 854 | vport->fc_flag |= FC_PT2PT; |
2e0fef85 | 855 | spin_unlock_irq(shost->host_lock); |
dea3101e | 856 | |
d6de08cc JS |
857 | /* If physical FC port changed, unreg VFI and ALL VPIs / RPIs */ |
858 | if ((phba->sli_rev == LPFC_SLI_REV4) && phba->fc_topology_changed) { | |
859 | lpfc_unregister_fcf_prep(phba); | |
860 | ||
861 | spin_lock_irq(shost->host_lock); | |
862 | vport->fc_flag &= ~FC_VFI_REGISTERED; | |
863 | spin_unlock_irq(shost->host_lock); | |
864 | phba->fc_topology_changed = 0; | |
865 | } | |
866 | ||
2e0fef85 | 867 | rc = memcmp(&vport->fc_portname, &sp->portName, |
92d7f7b0 | 868 | sizeof(vport->fc_portname)); |
2eb6862a | 869 | |
dea3101e | 870 | if (rc >= 0) { |
871 | /* This side will initiate the PLOGI */ | |
2e0fef85 JS |
872 | spin_lock_irq(shost->host_lock); |
873 | vport->fc_flag |= FC_PT2PT_PLOGI; | |
874 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 875 | |
876 | /* | |
d6de08cc JS |
877 | * N_Port ID cannot be 0, set our Id to LocalID |
878 | * the other side will be RemoteID. | |
dea3101e | 879 | */ |
880 | ||
881 | /* not equal */ | |
882 | if (rc) | |
2e0fef85 | 883 | vport->fc_myDID = PT2PT_LocalID; |
dea3101e | 884 | |
e47c9093 JS |
885 | /* Decrement ndlp reference count indicating that ndlp can be |
886 | * safely released when other references to it are done. | |
887 | */ | |
329f9bc7 | 888 | lpfc_nlp_put(ndlp); |
dea3101e | 889 | |
2e0fef85 | 890 | ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); |
dea3101e | 891 | if (!ndlp) { |
892 | /* | |
893 | * Cannot find existing Fabric ndlp, so allocate a | |
894 | * new one | |
895 | */ | |
896 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
897 | if (!ndlp) | |
898 | goto fail; | |
2e0fef85 | 899 | lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); |
e47c9093 JS |
900 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
901 | ndlp = lpfc_enable_node(vport, ndlp, | |
902 | NLP_STE_UNUSED_NODE); | |
903 | if(!ndlp) | |
904 | goto fail; | |
dea3101e | 905 | } |
906 | ||
907 | memcpy(&ndlp->nlp_portname, &sp->portName, | |
2e0fef85 | 908 | sizeof(struct lpfc_name)); |
dea3101e | 909 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, |
2e0fef85 | 910 | sizeof(struct lpfc_name)); |
e47c9093 | 911 | /* Set state will put ndlp onto node list if not already done */ |
2e0fef85 JS |
912 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
913 | spin_lock_irq(shost->host_lock); | |
dea3101e | 914 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 915 | spin_unlock_irq(shost->host_lock); |
e47c9093 JS |
916 | } else |
917 | /* This side will wait for the PLOGI, decrement ndlp reference | |
918 | * count indicating that ndlp can be released when other | |
919 | * references to it are done. | |
920 | */ | |
329f9bc7 | 921 | lpfc_nlp_put(ndlp); |
dea3101e | 922 | |
09372820 JS |
923 | /* If we are pt2pt with another NPort, force NPIV off! */ |
924 | phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; | |
925 | ||
d6de08cc JS |
926 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
927 | if (!mbox) | |
928 | goto fail; | |
e74c03c8 | 929 | |
d6de08cc JS |
930 | lpfc_config_link(phba, mbox); |
931 | ||
932 | mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; | |
933 | mbox->vport = vport; | |
934 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
935 | if (rc == MBX_NOT_FINISHED) { | |
936 | mempool_free(mbox, phba->mbox_mem_pool); | |
937 | goto fail; | |
e74c03c8 | 938 | } |
dea3101e | 939 | |
dea3101e | 940 | return 0; |
92d7f7b0 | 941 | fail: |
dea3101e | 942 | return -ENXIO; |
943 | } | |
944 | ||
e59058c4 | 945 | /** |
3621a710 | 946 | * lpfc_cmpl_els_flogi - Completion callback function for flogi |
e59058c4 JS |
947 | * @phba: pointer to lpfc hba data structure. |
948 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
949 | * @rspiocb: pointer to lpfc response iocb data structure. | |
950 | * | |
951 | * This routine is the top-level completion callback function for issuing | |
952 | * a Fabric Login (FLOGI) command. If the response IOCB reported error, | |
953 | * the lpfc_els_retry() routine shall be invoked to retry the FLOGI. If | |
954 | * retry has been made (either immediately or delayed with lpfc_els_retry() | |
955 | * returning 1), the command IOCB will be released and function returned. | |
956 | * If the retry attempt has been given up (possibly reach the maximum | |
957 | * number of retries), one additional decrement of ndlp reference shall be | |
958 | * invoked before going out after releasing the command IOCB. This will | |
959 | * actually release the remote node (Note, lpfc_els_free_iocb() will also | |
960 | * invoke one decrement of ndlp reference count). If no error reported in | |
961 | * the IOCB status, the command Port ID field is used to determine whether | |
962 | * this is a point-to-point topology or a fabric topology: if the Port ID | |
963 | * field is assigned, it is a fabric topology; otherwise, it is a | |
964 | * point-to-point topology. The routine lpfc_cmpl_els_flogi_fabric() or | |
965 | * lpfc_cmpl_els_flogi_nport() shall be invoked accordingly to handle the | |
966 | * specific topology completion conditions. | |
967 | **/ | |
dea3101e | 968 | static void |
329f9bc7 JS |
969 | lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
970 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 971 | { |
2e0fef85 JS |
972 | struct lpfc_vport *vport = cmdiocb->vport; |
973 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 974 | IOCB_t *irsp = &rspiocb->iocb; |
975 | struct lpfc_nodelist *ndlp = cmdiocb->context1; | |
976 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; | |
977 | struct serv_parm *sp; | |
0c9ab6f5 | 978 | uint16_t fcf_index; |
dea3101e | 979 | int rc; |
980 | ||
981 | /* Check to see if link went down during discovery */ | |
2e0fef85 | 982 | if (lpfc_els_chk_latt(vport)) { |
fa4066b6 JS |
983 | /* One additional decrement on node reference count to |
984 | * trigger the release of the node | |
985 | */ | |
329f9bc7 | 986 | lpfc_nlp_put(ndlp); |
dea3101e | 987 | goto out; |
988 | } | |
989 | ||
858c9f6c JS |
990 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
991 | "FLOGI cmpl: status:x%x/x%x state:x%x", | |
992 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
993 | vport->port_state); | |
994 | ||
dea3101e | 995 | if (irsp->ulpStatus) { |
0c9ab6f5 | 996 | /* |
a93ff37a | 997 | * In case of FIP mode, perform roundrobin FCF failover |
0c9ab6f5 JS |
998 | * due to new FCF discovery |
999 | */ | |
1000 | if ((phba->hba_flag & HBA_FIP_SUPPORT) && | |
80c17849 JS |
1001 | (phba->fcf.fcf_flag & FCF_DISCOVERY)) { |
1002 | if (phba->link_state < LPFC_LINK_UP) | |
1003 | goto stop_rr_fcf_flogi; | |
1004 | if ((phba->fcoe_cvl_eventtag_attn == | |
1005 | phba->fcoe_cvl_eventtag) && | |
1006 | (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
1007 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
1008 | IOERR_SLI_ABORTED)) | |
80c17849 JS |
1009 | goto stop_rr_fcf_flogi; |
1010 | else | |
1011 | phba->fcoe_cvl_eventtag_attn = | |
1012 | phba->fcoe_cvl_eventtag; | |
0c9ab6f5 | 1013 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, |
a93ff37a JS |
1014 | "2611 FLOGI failed on FCF (x%x), " |
1015 | "status:x%x/x%x, tmo:x%x, perform " | |
1016 | "roundrobin FCF failover\n", | |
38b92ef8 JS |
1017 | phba->fcf.current_rec.fcf_indx, |
1018 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1019 | irsp->ulpTimeout); | |
7d791df7 JS |
1020 | lpfc_sli4_set_fcf_flogi_fail(phba, |
1021 | phba->fcf.current_rec.fcf_indx); | |
0c9ab6f5 | 1022 | fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba); |
a93ff37a JS |
1023 | rc = lpfc_sli4_fcf_rr_next_proc(vport, fcf_index); |
1024 | if (rc) | |
1025 | goto out; | |
0c9ab6f5 JS |
1026 | } |
1027 | ||
80c17849 | 1028 | stop_rr_fcf_flogi: |
38b92ef8 JS |
1029 | /* FLOGI failure */ |
1030 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
8fe5c165 JS |
1031 | "2858 FLOGI failure Status:x%x/x%x TMO:x%x " |
1032 | "Data x%x x%x\n", | |
38b92ef8 | 1033 | irsp->ulpStatus, irsp->un.ulpWord[4], |
8fe5c165 JS |
1034 | irsp->ulpTimeout, phba->hba_flag, |
1035 | phba->fcf.fcf_flag); | |
38b92ef8 | 1036 | |
dea3101e | 1037 | /* Check for retry */ |
2e0fef85 | 1038 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
dea3101e | 1039 | goto out; |
2e0fef85 | 1040 | |
76a95d75 JS |
1041 | /* FLOGI failure */ |
1042 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
1043 | "0100 FLOGI failure Status:x%x/x%x TMO:x%x\n", | |
1044 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1045 | irsp->ulpTimeout); | |
1046 | ||
dea3101e | 1047 | /* FLOGI failed, so there is no fabric */ |
2e0fef85 JS |
1048 | spin_lock_irq(shost->host_lock); |
1049 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
1050 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1051 | |
329f9bc7 | 1052 | /* If private loop, then allow max outstanding els to be |
dea3101e | 1053 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
1054 | * alpa map would take too long otherwise. | |
1055 | */ | |
1b51197d | 1056 | if (phba->alpa_map[0] == 0) |
3de2a653 | 1057 | vport->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; |
ff78d8f9 JS |
1058 | if ((phba->sli_rev == LPFC_SLI_REV4) && |
1059 | (!(vport->fc_flag & FC_VFI_REGISTERED) || | |
e74c03c8 JS |
1060 | (vport->fc_prevDID != vport->fc_myDID) || |
1061 | phba->fc_topology_changed)) { | |
1062 | if (vport->fc_flag & FC_VFI_REGISTERED) { | |
1063 | if (phba->fc_topology_changed) { | |
1064 | lpfc_unregister_fcf_prep(phba); | |
1065 | spin_lock_irq(shost->host_lock); | |
1066 | vport->fc_flag &= ~FC_VFI_REGISTERED; | |
1067 | spin_unlock_irq(shost->host_lock); | |
1068 | phba->fc_topology_changed = 0; | |
1069 | } else { | |
1070 | lpfc_sli4_unreg_all_rpis(vport); | |
1071 | } | |
1072 | } | |
342b59ca JS |
1073 | |
1074 | /* Do not register VFI if the driver aborted FLOGI */ | |
1075 | if (!lpfc_error_lost_link(irsp)) | |
1076 | lpfc_issue_reg_vfi(vport); | |
ff78d8f9 JS |
1077 | lpfc_nlp_put(ndlp); |
1078 | goto out; | |
dea3101e | 1079 | } |
dea3101e | 1080 | goto flogifail; |
1081 | } | |
695a814e JS |
1082 | spin_lock_irq(shost->host_lock); |
1083 | vport->fc_flag &= ~FC_VPORT_CVL_RCVD; | |
4b40c59e | 1084 | vport->fc_flag &= ~FC_VPORT_LOGO_RCVD; |
695a814e | 1085 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1086 | |
1087 | /* | |
1088 | * The FLogI succeeded. Sync the data for the CPU before | |
1089 | * accessing it. | |
1090 | */ | |
1091 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); | |
a2fc4aef JS |
1092 | if (!prsp) |
1093 | goto out; | |
dea3101e | 1094 | sp = prsp->virt + sizeof(uint32_t); |
1095 | ||
1096 | /* FLOGI completes successfully */ | |
e8b62011 | 1097 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
88f43a08 JS |
1098 | "0101 FLOGI completes successfully, I/O tag:x%x, " |
1099 | "Data: x%x x%x x%x x%x x%x x%x\n", cmdiocb->iotag, | |
e8b62011 | 1100 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, |
e74c03c8 JS |
1101 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution, |
1102 | vport->port_state, vport->fc_flag); | |
dea3101e | 1103 | |
2e0fef85 | 1104 | if (vport->port_state == LPFC_FLOGI) { |
dea3101e | 1105 | /* |
1106 | * If Common Service Parameters indicate Nport | |
1107 | * we are point to point, if Fport we are Fabric. | |
1108 | */ | |
1109 | if (sp->cmn.fPort) | |
2e0fef85 | 1110 | rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); |
76a95d75 | 1111 | else if (!(phba->hba_flag & HBA_FCOE_MODE)) |
2e0fef85 | 1112 | rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); |
dbb6b3ab JS |
1113 | else { |
1114 | lpfc_printf_vlog(vport, KERN_ERR, | |
1115 | LOG_FIP | LOG_ELS, | |
1116 | "2831 FLOGI response with cleared Fabric " | |
1117 | "bit fcf_index 0x%x " | |
1118 | "Switch Name %02x%02x%02x%02x%02x%02x%02x%02x " | |
1119 | "Fabric Name " | |
1120 | "%02x%02x%02x%02x%02x%02x%02x%02x\n", | |
1121 | phba->fcf.current_rec.fcf_indx, | |
1122 | phba->fcf.current_rec.switch_name[0], | |
1123 | phba->fcf.current_rec.switch_name[1], | |
1124 | phba->fcf.current_rec.switch_name[2], | |
1125 | phba->fcf.current_rec.switch_name[3], | |
1126 | phba->fcf.current_rec.switch_name[4], | |
1127 | phba->fcf.current_rec.switch_name[5], | |
1128 | phba->fcf.current_rec.switch_name[6], | |
1129 | phba->fcf.current_rec.switch_name[7], | |
1130 | phba->fcf.current_rec.fabric_name[0], | |
1131 | phba->fcf.current_rec.fabric_name[1], | |
1132 | phba->fcf.current_rec.fabric_name[2], | |
1133 | phba->fcf.current_rec.fabric_name[3], | |
1134 | phba->fcf.current_rec.fabric_name[4], | |
1135 | phba->fcf.current_rec.fabric_name[5], | |
1136 | phba->fcf.current_rec.fabric_name[6], | |
1137 | phba->fcf.current_rec.fabric_name[7]); | |
1138 | lpfc_nlp_put(ndlp); | |
1139 | spin_lock_irq(&phba->hbalock); | |
1140 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
a93ff37a | 1141 | phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO); |
dbb6b3ab JS |
1142 | spin_unlock_irq(&phba->hbalock); |
1143 | goto out; | |
1144 | } | |
0c9ab6f5 JS |
1145 | if (!rc) { |
1146 | /* Mark the FCF discovery process done */ | |
999d813f JS |
1147 | if (phba->hba_flag & HBA_FIP_SUPPORT) |
1148 | lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP | | |
1149 | LOG_ELS, | |
a93ff37a JS |
1150 | "2769 FLOGI to FCF (x%x) " |
1151 | "completed successfully\n", | |
999d813f | 1152 | phba->fcf.current_rec.fcf_indx); |
0c9ab6f5 JS |
1153 | spin_lock_irq(&phba->hbalock); |
1154 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
a93ff37a | 1155 | phba->hba_flag &= ~(FCF_RR_INPROG | HBA_DEVLOSS_TMO); |
0c9ab6f5 | 1156 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1157 | goto out; |
0c9ab6f5 | 1158 | } |
dea3101e | 1159 | } |
1160 | ||
1161 | flogifail: | |
8fe5c165 JS |
1162 | spin_lock_irq(&phba->hbalock); |
1163 | phba->fcf.fcf_flag &= ~FCF_DISCOVERY; | |
1164 | spin_unlock_irq(&phba->hbalock); | |
d6de08cc | 1165 | |
329f9bc7 | 1166 | lpfc_nlp_put(ndlp); |
dea3101e | 1167 | |
858c9f6c | 1168 | if (!lpfc_error_lost_link(irsp)) { |
dea3101e | 1169 | /* FLOGI failed, so just use loop map to make discovery list */ |
2e0fef85 | 1170 | lpfc_disc_list_loopmap(vport); |
dea3101e | 1171 | |
1172 | /* Start discovery */ | |
2e0fef85 | 1173 | lpfc_disc_start(vport); |
87af33fe | 1174 | } else if (((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
e3d2b802 JS |
1175 | (((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) != |
1176 | IOERR_SLI_ABORTED) && | |
1177 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) != | |
1178 | IOERR_SLI_DOWN))) && | |
87af33fe JS |
1179 | (phba->link_state != LPFC_CLEAR_LA)) { |
1180 | /* If FLOGI failed enable link interrupt. */ | |
1181 | lpfc_issue_clear_la(phba, vport); | |
dea3101e | 1182 | } |
dea3101e | 1183 | out: |
1184 | lpfc_els_free_iocb(phba, cmdiocb); | |
1185 | } | |
1186 | ||
e59058c4 | 1187 | /** |
3621a710 | 1188 | * lpfc_issue_els_flogi - Issue an flogi iocb command for a vport |
e59058c4 JS |
1189 | * @vport: pointer to a host virtual N_Port data structure. |
1190 | * @ndlp: pointer to a node-list data structure. | |
1191 | * @retry: number of retries to the command IOCB. | |
1192 | * | |
1193 | * This routine issues a Fabric Login (FLOGI) Request ELS command | |
1194 | * for a @vport. The initiator service parameters are put into the payload | |
1195 | * of the FLOGI Request IOCB and the top-level callback function pointer | |
1196 | * to lpfc_cmpl_els_flogi() routine is put to the IOCB completion callback | |
1197 | * function field. The lpfc_issue_fabric_iocb routine is invoked to send | |
1198 | * out FLOGI ELS command with one outstanding fabric IOCB at a time. | |
1199 | * | |
1200 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
1201 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
1202 | * will be stored into the context1 field of the IOCB for the completion | |
1203 | * callback function to the FLOGI ELS command. | |
1204 | * | |
1205 | * Return code | |
1206 | * 0 - successfully issued flogi iocb for @vport | |
1207 | * 1 - failed to issue flogi iocb for @vport | |
1208 | **/ | |
dea3101e | 1209 | static int |
2e0fef85 | 1210 | lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 1211 | uint8_t retry) |
1212 | { | |
2e0fef85 | 1213 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1214 | struct serv_parm *sp; |
1215 | IOCB_t *icmd; | |
1216 | struct lpfc_iocbq *elsiocb; | |
dea3101e | 1217 | uint8_t *pcmd; |
1218 | uint16_t cmdsize; | |
1219 | uint32_t tmo; | |
1220 | int rc; | |
1221 | ||
92d7f7b0 | 1222 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
2e0fef85 JS |
1223 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1224 | ndlp->nlp_DID, ELS_CMD_FLOGI); | |
92d7f7b0 | 1225 | |
488d1469 | 1226 | if (!elsiocb) |
c9f8735b | 1227 | return 1; |
dea3101e | 1228 | |
1229 | icmd = &elsiocb->iocb; | |
1230 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1231 | ||
1232 | /* For FLOGI request, remainder of payload is service parameters */ | |
1233 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; | |
92d7f7b0 JS |
1234 | pcmd += sizeof(uint32_t); |
1235 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); | |
dea3101e | 1236 | sp = (struct serv_parm *) pcmd; |
1237 | ||
1238 | /* Setup CSPs accordingly for Fabric */ | |
1239 | sp->cmn.e_d_tov = 0; | |
1240 | sp->cmn.w2.r_a_tov = 0; | |
df9e1b59 | 1241 | sp->cmn.virtual_fabric_support = 0; |
dea3101e | 1242 | sp->cls1.classValid = 0; |
dea3101e | 1243 | if (sp->cmn.fcphLow < FC_PH3) |
1244 | sp->cmn.fcphLow = FC_PH3; | |
1245 | if (sp->cmn.fcphHigh < FC_PH3) | |
1246 | sp->cmn.fcphHigh = FC_PH3; | |
1247 | ||
c31098ce JS |
1248 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1249 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
1250 | LPFC_SLI_INTF_IF_TYPE_0) { | |
1251 | elsiocb->iocb.ulpCt_h = ((SLI4_CT_FCFI >> 1) & 1); | |
1252 | elsiocb->iocb.ulpCt_l = (SLI4_CT_FCFI & 1); | |
1253 | /* FLOGI needs to be 3 for WQE FCFI */ | |
1254 | /* Set the fcfi to the fcfi we registered with */ | |
1255 | elsiocb->iocb.ulpContext = phba->fcf.fcfi; | |
1256 | } | |
0f37887e JS |
1257 | /* Can't do SLI4 class2 without support sequence coalescing */ |
1258 | sp->cls2.classValid = 0; | |
1259 | sp->cls2.seqDelivery = 0; | |
5248a749 | 1260 | } else { |
0f37887e JS |
1261 | /* Historical, setting sequential-delivery bit for SLI3 */ |
1262 | sp->cls2.seqDelivery = (sp->cls2.classValid) ? 1 : 0; | |
1263 | sp->cls3.seqDelivery = (sp->cls3.classValid) ? 1 : 0; | |
5248a749 JS |
1264 | if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { |
1265 | sp->cmn.request_multiple_Nport = 1; | |
1266 | /* For FLOGI, Let FLOGI rsp set the NPortID for VPI 0 */ | |
1267 | icmd->ulpCt_h = 1; | |
1268 | icmd->ulpCt_l = 0; | |
1269 | } else | |
1270 | sp->cmn.request_multiple_Nport = 0; | |
92d7f7b0 JS |
1271 | } |
1272 | ||
76a95d75 | 1273 | if (phba->fc_topology != LPFC_TOPOLOGY_LOOP) { |
858c9f6c JS |
1274 | icmd->un.elsreq64.myID = 0; |
1275 | icmd->un.elsreq64.fl = 1; | |
1276 | } | |
1277 | ||
dea3101e | 1278 | tmo = phba->fc_ratov; |
1279 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; | |
2e0fef85 | 1280 | lpfc_set_disctmo(vport); |
dea3101e | 1281 | phba->fc_ratov = tmo; |
1282 | ||
1283 | phba->fc_stat.elsXmitFLOGI++; | |
1284 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; | |
858c9f6c JS |
1285 | |
1286 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
1287 | "Issue FLOGI: opt:x%x", | |
1288 | phba->sli3_options, 0, 0); | |
1289 | ||
92d7f7b0 | 1290 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
dea3101e | 1291 | if (rc == IOCB_ERROR) { |
1292 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 1293 | return 1; |
dea3101e | 1294 | } |
c9f8735b | 1295 | return 0; |
dea3101e | 1296 | } |
1297 | ||
e59058c4 | 1298 | /** |
3621a710 | 1299 | * lpfc_els_abort_flogi - Abort all outstanding flogi iocbs |
e59058c4 JS |
1300 | * @phba: pointer to lpfc hba data structure. |
1301 | * | |
1302 | * This routine aborts all the outstanding Fabric Login (FLOGI) IOCBs | |
1303 | * with a @phba. This routine walks all the outstanding IOCBs on the txcmplq | |
1304 | * list and issues an abort IOCB commond on each outstanding IOCB that | |
1305 | * contains a active Fabric_DID ndlp. Note that this function is to issue | |
1306 | * the abort IOCB command on all the outstanding IOCBs, thus when this | |
1307 | * function returns, it does not guarantee all the IOCBs are actually aborted. | |
1308 | * | |
1309 | * Return code | |
3ad2f3fb | 1310 | * 0 - Successfully issued abort iocb on all outstanding flogis (Always 0) |
e59058c4 | 1311 | **/ |
dea3101e | 1312 | int |
2e0fef85 | 1313 | lpfc_els_abort_flogi(struct lpfc_hba *phba) |
dea3101e | 1314 | { |
1315 | struct lpfc_sli_ring *pring; | |
1316 | struct lpfc_iocbq *iocb, *next_iocb; | |
1317 | struct lpfc_nodelist *ndlp; | |
1318 | IOCB_t *icmd; | |
1319 | ||
1320 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
1321 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
e8b62011 JS |
1322 | "0201 Abort outstanding I/O on NPort x%x\n", |
1323 | Fabric_DID); | |
dea3101e | 1324 | |
1325 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
1326 | ||
1327 | /* | |
1328 | * Check the txcmplq for an iocb that matches the nport the driver is | |
1329 | * searching for. | |
1330 | */ | |
2e0fef85 | 1331 | spin_lock_irq(&phba->hbalock); |
dea3101e | 1332 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
1333 | icmd = &iocb->iocb; | |
1b51197d | 1334 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR) { |
dea3101e | 1335 | ndlp = (struct lpfc_nodelist *)(iocb->context1); |
58da1ffb JS |
1336 | if (ndlp && NLP_CHK_NODE_ACT(ndlp) && |
1337 | (ndlp->nlp_DID == Fabric_DID)) | |
07951076 | 1338 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); |
dea3101e | 1339 | } |
1340 | } | |
2e0fef85 | 1341 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1342 | |
1343 | return 0; | |
1344 | } | |
1345 | ||
e59058c4 | 1346 | /** |
3621a710 | 1347 | * lpfc_initial_flogi - Issue an initial fabric login for a vport |
e59058c4 JS |
1348 | * @vport: pointer to a host virtual N_Port data structure. |
1349 | * | |
1350 | * This routine issues an initial Fabric Login (FLOGI) for the @vport | |
1351 | * specified. It first searches the ndlp with the Fabric_DID (0xfffffe) from | |
1352 | * the @vport's ndlp list. If no such ndlp found, it will create an ndlp and | |
1353 | * put it into the @vport's ndlp list. If an inactive ndlp found on the list, | |
1354 | * it will just be enabled and made active. The lpfc_issue_els_flogi() routine | |
1355 | * is then invoked with the @vport and the ndlp to perform the FLOGI for the | |
1356 | * @vport. | |
1357 | * | |
1358 | * Return code | |
1359 | * 0 - failed to issue initial flogi for @vport | |
1360 | * 1 - successfully issued initial flogi for @vport | |
1361 | **/ | |
dea3101e | 1362 | int |
2e0fef85 | 1363 | lpfc_initial_flogi(struct lpfc_vport *vport) |
dea3101e | 1364 | { |
2e0fef85 | 1365 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1366 | struct lpfc_nodelist *ndlp; |
1367 | ||
98c9ea5c JS |
1368 | vport->port_state = LPFC_FLOGI; |
1369 | lpfc_set_disctmo(vport); | |
1370 | ||
c9f8735b | 1371 | /* First look for the Fabric ndlp */ |
2e0fef85 | 1372 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
c9f8735b | 1373 | if (!ndlp) { |
dea3101e | 1374 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b JW |
1375 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1376 | if (!ndlp) | |
1377 | return 0; | |
2e0fef85 | 1378 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
6fb120a7 JS |
1379 | /* Set the node type */ |
1380 | ndlp->nlp_type |= NLP_FABRIC; | |
e47c9093 JS |
1381 | /* Put ndlp onto node list */ |
1382 | lpfc_enqueue_node(vport, ndlp); | |
1383 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
1384 | /* re-setup ndlp without removing from node list */ | |
1385 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
1386 | if (!ndlp) | |
1387 | return 0; | |
dea3101e | 1388 | } |
87af33fe | 1389 | |
5ac6b303 | 1390 | if (lpfc_issue_els_flogi(vport, ndlp, 0)) { |
fa4066b6 JS |
1391 | /* This decrement of reference count to node shall kick off |
1392 | * the release of the node. | |
1393 | */ | |
329f9bc7 | 1394 | lpfc_nlp_put(ndlp); |
5ac6b303 JS |
1395 | return 0; |
1396 | } | |
c9f8735b | 1397 | return 1; |
dea3101e | 1398 | } |
1399 | ||
e59058c4 | 1400 | /** |
3621a710 | 1401 | * lpfc_initial_fdisc - Issue an initial fabric discovery for a vport |
e59058c4 JS |
1402 | * @vport: pointer to a host virtual N_Port data structure. |
1403 | * | |
1404 | * This routine issues an initial Fabric Discover (FDISC) for the @vport | |
1405 | * specified. It first searches the ndlp with the Fabric_DID (0xfffffe) from | |
1406 | * the @vport's ndlp list. If no such ndlp found, it will create an ndlp and | |
1407 | * put it into the @vport's ndlp list. If an inactive ndlp found on the list, | |
1408 | * it will just be enabled and made active. The lpfc_issue_els_fdisc() routine | |
1409 | * is then invoked with the @vport and the ndlp to perform the FDISC for the | |
1410 | * @vport. | |
1411 | * | |
1412 | * Return code | |
1413 | * 0 - failed to issue initial fdisc for @vport | |
1414 | * 1 - successfully issued initial fdisc for @vport | |
1415 | **/ | |
92d7f7b0 JS |
1416 | int |
1417 | lpfc_initial_fdisc(struct lpfc_vport *vport) | |
1418 | { | |
1419 | struct lpfc_hba *phba = vport->phba; | |
1420 | struct lpfc_nodelist *ndlp; | |
1421 | ||
1422 | /* First look for the Fabric ndlp */ | |
1423 | ndlp = lpfc_findnode_did(vport, Fabric_DID); | |
1424 | if (!ndlp) { | |
1425 | /* Cannot find existing Fabric ndlp, so allocate a new one */ | |
1426 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
1427 | if (!ndlp) | |
1428 | return 0; | |
1429 | lpfc_nlp_init(vport, ndlp, Fabric_DID); | |
e47c9093 JS |
1430 | /* Put ndlp onto node list */ |
1431 | lpfc_enqueue_node(vport, ndlp); | |
1432 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
1433 | /* re-setup ndlp without removing from node list */ | |
1434 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
1435 | if (!ndlp) | |
1436 | return 0; | |
92d7f7b0 | 1437 | } |
e47c9093 | 1438 | |
92d7f7b0 | 1439 | if (lpfc_issue_els_fdisc(vport, ndlp, 0)) { |
fa4066b6 JS |
1440 | /* decrement node reference count to trigger the release of |
1441 | * the node. | |
1442 | */ | |
92d7f7b0 | 1443 | lpfc_nlp_put(ndlp); |
fa4066b6 | 1444 | return 0; |
92d7f7b0 JS |
1445 | } |
1446 | return 1; | |
1447 | } | |
87af33fe | 1448 | |
e59058c4 | 1449 | /** |
3621a710 | 1450 | * lpfc_more_plogi - Check and issue remaining plogis for a vport |
e59058c4 JS |
1451 | * @vport: pointer to a host virtual N_Port data structure. |
1452 | * | |
1453 | * This routine checks whether there are more remaining Port Logins | |
1454 | * (PLOGI) to be issued for the @vport. If so, it will invoke the routine | |
1455 | * lpfc_els_disc_plogi() to go through the Node Port Recovery (NPR) nodes | |
1456 | * to issue ELS PLOGIs up to the configured discover threads with the | |
1457 | * @vport (@vport->cfg_discovery_threads). The function also decrement | |
1458 | * the @vport's num_disc_node by 1 if it is not already 0. | |
1459 | **/ | |
87af33fe | 1460 | void |
2e0fef85 | 1461 | lpfc_more_plogi(struct lpfc_vport *vport) |
dea3101e | 1462 | { |
2e0fef85 JS |
1463 | if (vport->num_disc_nodes) |
1464 | vport->num_disc_nodes--; | |
dea3101e | 1465 | |
1466 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ | |
e8b62011 JS |
1467 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
1468 | "0232 Continue discovery with %d PLOGIs to go " | |
1469 | "Data: x%x x%x x%x\n", | |
1470 | vport->num_disc_nodes, vport->fc_plogi_cnt, | |
1471 | vport->fc_flag, vport->port_state); | |
dea3101e | 1472 | /* Check to see if there are more PLOGIs to be sent */ |
2e0fef85 JS |
1473 | if (vport->fc_flag & FC_NLP_MORE) |
1474 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ | |
db6f1c2f | 1475 | lpfc_els_disc_plogi(vport); |
2e0fef85 | 1476 | |
dea3101e | 1477 | return; |
1478 | } | |
1479 | ||
e59058c4 | 1480 | /** |
3621a710 | 1481 | * lpfc_plogi_confirm_nport - Confirm pologi wwpn matches stored ndlp |
e59058c4 JS |
1482 | * @phba: pointer to lpfc hba data structure. |
1483 | * @prsp: pointer to response IOCB payload. | |
1484 | * @ndlp: pointer to a node-list data structure. | |
1485 | * | |
1486 | * This routine checks and indicates whether the WWPN of an N_Port, retrieved | |
1487 | * from a PLOGI, matches the WWPN that is stored in the @ndlp for that N_POrt. | |
1488 | * The following cases are considered N_Port confirmed: | |
1489 | * 1) The N_Port is a Fabric ndlp; 2) The @ndlp is on vport list and matches | |
1490 | * the WWPN of the N_Port logged into; 3) The @ndlp is not on vport list but | |
1491 | * it does not have WWPN assigned either. If the WWPN is confirmed, the | |
1492 | * pointer to the @ndlp will be returned. If the WWPN is not confirmed: | |
1493 | * 1) if there is a node on vport list other than the @ndlp with the same | |
1494 | * WWPN of the N_Port PLOGI logged into, the lpfc_unreg_rpi() will be invoked | |
1495 | * on that node to release the RPI associated with the node; 2) if there is | |
1496 | * no node found on vport list with the same WWPN of the N_Port PLOGI logged | |
1497 | * into, a new node shall be allocated (or activated). In either case, the | |
1498 | * parameters of the @ndlp shall be copied to the new_ndlp, the @ndlp shall | |
1499 | * be released and the new_ndlp shall be put on to the vport node list and | |
1500 | * its pointer returned as the confirmed node. | |
1501 | * | |
1502 | * Note that before the @ndlp got "released", the keepDID from not-matching | |
1503 | * or inactive "new_ndlp" on the vport node list is assigned to the nlp_DID | |
1504 | * of the @ndlp. This is because the release of @ndlp is actually to put it | |
1505 | * into an inactive state on the vport node list and the vport node list | |
1506 | * management algorithm does not allow two node with a same DID. | |
1507 | * | |
1508 | * Return code | |
1509 | * pointer to the PLOGI N_Port @ndlp | |
1510 | **/ | |
488d1469 | 1511 | static struct lpfc_nodelist * |
92d7f7b0 | 1512 | lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, |
488d1469 JS |
1513 | struct lpfc_nodelist *ndlp) |
1514 | { | |
2e0fef85 | 1515 | struct lpfc_vport *vport = ndlp->vport; |
953ceeda | 1516 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
488d1469 | 1517 | struct lpfc_nodelist *new_ndlp; |
0ff10d46 JS |
1518 | struct lpfc_rport_data *rdata; |
1519 | struct fc_rport *rport; | |
488d1469 | 1520 | struct serv_parm *sp; |
92d7f7b0 | 1521 | uint8_t name[sizeof(struct lpfc_name)]; |
e5abba4c | 1522 | uint32_t rc, keepDID = 0, keep_nlp_flag = 0; |
953ceeda | 1523 | uint16_t keep_nlp_state; |
38b92ef8 JS |
1524 | int put_node; |
1525 | int put_rport; | |
cff261f6 | 1526 | unsigned long *active_rrqs_xri_bitmap = NULL; |
488d1469 | 1527 | |
2fb9bd8b JS |
1528 | /* Fabric nodes can have the same WWPN so we don't bother searching |
1529 | * by WWPN. Just return the ndlp that was given to us. | |
1530 | */ | |
1531 | if (ndlp->nlp_type & NLP_FABRIC) | |
1532 | return ndlp; | |
1533 | ||
92d7f7b0 | 1534 | sp = (struct serv_parm *) ((uint8_t *) prsp + sizeof(uint32_t)); |
685f0bf7 | 1535 | memset(name, 0, sizeof(struct lpfc_name)); |
488d1469 | 1536 | |
685f0bf7 | 1537 | /* Now we find out if the NPort we are logging into, matches the WWPN |
488d1469 JS |
1538 | * we have for that ndlp. If not, we have some work to do. |
1539 | */ | |
2e0fef85 | 1540 | new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); |
488d1469 | 1541 | |
e47c9093 | 1542 | if (new_ndlp == ndlp && NLP_CHK_NODE_ACT(new_ndlp)) |
488d1469 | 1543 | return ndlp; |
cff261f6 JS |
1544 | if (phba->sli_rev == LPFC_SLI_REV4) { |
1545 | active_rrqs_xri_bitmap = mempool_alloc(phba->active_rrq_pool, | |
1546 | GFP_KERNEL); | |
1547 | if (active_rrqs_xri_bitmap) | |
1548 | memset(active_rrqs_xri_bitmap, 0, | |
1549 | phba->cfg_rrq_xri_bitmap_sz); | |
1550 | } | |
488d1469 | 1551 | |
34f5ad8b JS |
1552 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1553 | "3178 PLOGI confirm: ndlp %p x%x: new_ndlp %p\n", | |
1554 | ndlp, ndlp->nlp_DID, new_ndlp); | |
1555 | ||
488d1469 | 1556 | if (!new_ndlp) { |
2e0fef85 JS |
1557 | rc = memcmp(&ndlp->nlp_portname, name, |
1558 | sizeof(struct lpfc_name)); | |
cff261f6 JS |
1559 | if (!rc) { |
1560 | if (active_rrqs_xri_bitmap) | |
1561 | mempool_free(active_rrqs_xri_bitmap, | |
1562 | phba->active_rrq_pool); | |
92795650 | 1563 | return ndlp; |
cff261f6 | 1564 | } |
488d1469 | 1565 | new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
cff261f6 JS |
1566 | if (!new_ndlp) { |
1567 | if (active_rrqs_xri_bitmap) | |
1568 | mempool_free(active_rrqs_xri_bitmap, | |
1569 | phba->active_rrq_pool); | |
488d1469 | 1570 | return ndlp; |
cff261f6 | 1571 | } |
2e0fef85 | 1572 | lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); |
e47c9093 | 1573 | } else if (!NLP_CHK_NODE_ACT(new_ndlp)) { |
58da1ffb JS |
1574 | rc = memcmp(&ndlp->nlp_portname, name, |
1575 | sizeof(struct lpfc_name)); | |
cff261f6 JS |
1576 | if (!rc) { |
1577 | if (active_rrqs_xri_bitmap) | |
1578 | mempool_free(active_rrqs_xri_bitmap, | |
1579 | phba->active_rrq_pool); | |
58da1ffb | 1580 | return ndlp; |
cff261f6 | 1581 | } |
e47c9093 JS |
1582 | new_ndlp = lpfc_enable_node(vport, new_ndlp, |
1583 | NLP_STE_UNUSED_NODE); | |
cff261f6 JS |
1584 | if (!new_ndlp) { |
1585 | if (active_rrqs_xri_bitmap) | |
1586 | mempool_free(active_rrqs_xri_bitmap, | |
1587 | phba->active_rrq_pool); | |
e47c9093 | 1588 | return ndlp; |
cff261f6 | 1589 | } |
58da1ffb | 1590 | keepDID = new_ndlp->nlp_DID; |
cff261f6 JS |
1591 | if ((phba->sli_rev == LPFC_SLI_REV4) && active_rrqs_xri_bitmap) |
1592 | memcpy(active_rrqs_xri_bitmap, | |
1593 | new_ndlp->active_rrqs_xri_bitmap, | |
1594 | phba->cfg_rrq_xri_bitmap_sz); | |
19ca7609 | 1595 | } else { |
58da1ffb | 1596 | keepDID = new_ndlp->nlp_DID; |
cff261f6 JS |
1597 | if (phba->sli_rev == LPFC_SLI_REV4 && |
1598 | active_rrqs_xri_bitmap) | |
1599 | memcpy(active_rrqs_xri_bitmap, | |
1600 | new_ndlp->active_rrqs_xri_bitmap, | |
1601 | phba->cfg_rrq_xri_bitmap_sz); | |
19ca7609 | 1602 | } |
488d1469 | 1603 | |
2e0fef85 | 1604 | lpfc_unreg_rpi(vport, new_ndlp); |
488d1469 | 1605 | new_ndlp->nlp_DID = ndlp->nlp_DID; |
92795650 | 1606 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
19ca7609 | 1607 | if (phba->sli_rev == LPFC_SLI_REV4) |
cff261f6 JS |
1608 | memcpy(new_ndlp->active_rrqs_xri_bitmap, |
1609 | ndlp->active_rrqs_xri_bitmap, | |
1610 | phba->cfg_rrq_xri_bitmap_sz); | |
0ff10d46 | 1611 | |
953ceeda | 1612 | spin_lock_irq(shost->host_lock); |
e5abba4c JS |
1613 | keep_nlp_flag = new_ndlp->nlp_flag; |
1614 | new_ndlp->nlp_flag = ndlp->nlp_flag; | |
1615 | ndlp->nlp_flag = keep_nlp_flag; | |
953ceeda | 1616 | spin_unlock_irq(shost->host_lock); |
0ff10d46 | 1617 | |
953ceeda JS |
1618 | /* Set nlp_states accordingly */ |
1619 | keep_nlp_state = new_ndlp->nlp_state; | |
2e0fef85 | 1620 | lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); |
488d1469 | 1621 | |
2e0fef85 | 1622 | /* Move this back to NPR state */ |
87af33fe JS |
1623 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { |
1624 | /* The new_ndlp is replacing ndlp totally, so we need | |
1625 | * to put ndlp on UNUSED list and try to free it. | |
1626 | */ | |
34f5ad8b JS |
1627 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1628 | "3179 PLOGI confirm NEW: %x %x\n", | |
1629 | new_ndlp->nlp_DID, keepDID); | |
0ff10d46 JS |
1630 | |
1631 | /* Fix up the rport accordingly */ | |
1632 | rport = ndlp->rport; | |
1633 | if (rport) { | |
1634 | rdata = rport->dd_data; | |
1635 | if (rdata->pnode == ndlp) { | |
466e840b | 1636 | /* break the link before dropping the ref */ |
0ff10d46 | 1637 | ndlp->rport = NULL; |
466e840b | 1638 | lpfc_nlp_put(ndlp); |
0ff10d46 JS |
1639 | rdata->pnode = lpfc_nlp_get(new_ndlp); |
1640 | new_ndlp->rport = rport; | |
1641 | } | |
1642 | new_ndlp->nlp_type = ndlp->nlp_type; | |
1643 | } | |
58da1ffb JS |
1644 | /* We shall actually free the ndlp with both nlp_DID and |
1645 | * nlp_portname fields equals 0 to avoid any ndlp on the | |
1646 | * nodelist never to be used. | |
1647 | */ | |
1648 | if (ndlp->nlp_DID == 0) { | |
1649 | spin_lock_irq(&phba->ndlp_lock); | |
1650 | NLP_SET_FREE_REQ(ndlp); | |
1651 | spin_unlock_irq(&phba->ndlp_lock); | |
1652 | } | |
0ff10d46 | 1653 | |
58da1ffb JS |
1654 | /* Two ndlps cannot have the same did on the nodelist */ |
1655 | ndlp->nlp_DID = keepDID; | |
cff261f6 JS |
1656 | if (phba->sli_rev == LPFC_SLI_REV4 && |
1657 | active_rrqs_xri_bitmap) | |
1658 | memcpy(ndlp->active_rrqs_xri_bitmap, | |
1659 | active_rrqs_xri_bitmap, | |
1660 | phba->cfg_rrq_xri_bitmap_sz); | |
e5abba4c JS |
1661 | |
1662 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
1663 | lpfc_drop_node(vport, ndlp); | |
87af33fe | 1664 | } |
92795650 | 1665 | else { |
34f5ad8b JS |
1666 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1667 | "3180 PLOGI confirm SWAP: %x %x\n", | |
1668 | new_ndlp->nlp_DID, keepDID); | |
1669 | ||
2e0fef85 | 1670 | lpfc_unreg_rpi(vport, ndlp); |
34f5ad8b | 1671 | |
58da1ffb JS |
1672 | /* Two ndlps cannot have the same did */ |
1673 | ndlp->nlp_DID = keepDID; | |
cff261f6 JS |
1674 | if (phba->sli_rev == LPFC_SLI_REV4 && |
1675 | active_rrqs_xri_bitmap) | |
1676 | memcpy(ndlp->active_rrqs_xri_bitmap, | |
1677 | active_rrqs_xri_bitmap, | |
1678 | phba->cfg_rrq_xri_bitmap_sz); | |
34f5ad8b | 1679 | |
953ceeda JS |
1680 | /* Since we are switching over to the new_ndlp, |
1681 | * reset the old ndlp state | |
34f5ad8b JS |
1682 | */ |
1683 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || | |
1684 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) | |
953ceeda JS |
1685 | keep_nlp_state = NLP_STE_NPR_NODE; |
1686 | lpfc_nlp_set_state(vport, ndlp, keep_nlp_state); | |
34f5ad8b | 1687 | |
38b92ef8 JS |
1688 | /* Fix up the rport accordingly */ |
1689 | rport = ndlp->rport; | |
1690 | if (rport) { | |
1691 | rdata = rport->dd_data; | |
1692 | put_node = rdata->pnode != NULL; | |
1693 | put_rport = ndlp->rport != NULL; | |
1694 | rdata->pnode = NULL; | |
1695 | ndlp->rport = NULL; | |
1696 | if (put_node) | |
1697 | lpfc_nlp_put(ndlp); | |
1698 | if (put_rport) | |
1699 | put_device(&rport->dev); | |
1700 | } | |
92795650 | 1701 | } |
cff261f6 JS |
1702 | if (phba->sli_rev == LPFC_SLI_REV4 && |
1703 | active_rrqs_xri_bitmap) | |
1704 | mempool_free(active_rrqs_xri_bitmap, | |
1705 | phba->active_rrq_pool); | |
488d1469 JS |
1706 | return new_ndlp; |
1707 | } | |
1708 | ||
e59058c4 | 1709 | /** |
3621a710 | 1710 | * lpfc_end_rscn - Check and handle more rscn for a vport |
e59058c4 JS |
1711 | * @vport: pointer to a host virtual N_Port data structure. |
1712 | * | |
1713 | * This routine checks whether more Registration State Change | |
1714 | * Notifications (RSCNs) came in while the discovery state machine was in | |
1715 | * the FC_RSCN_MODE. If so, the lpfc_els_handle_rscn() routine will be | |
1716 | * invoked to handle the additional RSCNs for the @vport. Otherwise, the | |
1717 | * FC_RSCN_MODE bit will be cleared with the @vport to mark as the end of | |
1718 | * handling the RSCNs. | |
1719 | **/ | |
87af33fe JS |
1720 | void |
1721 | lpfc_end_rscn(struct lpfc_vport *vport) | |
1722 | { | |
1723 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1724 | ||
1725 | if (vport->fc_flag & FC_RSCN_MODE) { | |
1726 | /* | |
1727 | * Check to see if more RSCNs came in while we were | |
1728 | * processing this one. | |
1729 | */ | |
1730 | if (vport->fc_rscn_id_cnt || | |
1731 | (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) | |
1732 | lpfc_els_handle_rscn(vport); | |
1733 | else { | |
1734 | spin_lock_irq(shost->host_lock); | |
1735 | vport->fc_flag &= ~FC_RSCN_MODE; | |
1736 | spin_unlock_irq(shost->host_lock); | |
1737 | } | |
1738 | } | |
1739 | } | |
1740 | ||
19ca7609 JS |
1741 | /** |
1742 | * lpfc_cmpl_els_rrq - Completion handled for els RRQs. | |
1743 | * @phba: pointer to lpfc hba data structure. | |
1744 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
1745 | * @rspiocb: pointer to lpfc response iocb data structure. | |
1746 | * | |
1747 | * This routine will call the clear rrq function to free the rrq and | |
1748 | * clear the xri's bit in the ndlp's xri_bitmap. If the ndlp does not | |
1749 | * exist then the clear_rrq is still called because the rrq needs to | |
1750 | * be freed. | |
1751 | **/ | |
1752 | ||
1753 | static void | |
1754 | lpfc_cmpl_els_rrq(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
1755 | struct lpfc_iocbq *rspiocb) | |
1756 | { | |
1757 | struct lpfc_vport *vport = cmdiocb->vport; | |
1758 | IOCB_t *irsp; | |
1759 | struct lpfc_nodelist *ndlp; | |
1760 | struct lpfc_node_rrq *rrq; | |
1761 | ||
1762 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1763 | rrq = cmdiocb->context_un.rrq; | |
1764 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1765 | ||
1766 | irsp = &rspiocb->iocb; | |
1767 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
1768 | "RRQ cmpl: status:x%x/x%x did:x%x", | |
1769 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1770 | irsp->un.elsreq64.remoteID); | |
1771 | ||
1772 | ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); | |
1773 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || ndlp != rrq->ndlp) { | |
1774 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
1775 | "2882 RRQ completes to NPort x%x " | |
1776 | "with no ndlp. Data: x%x x%x x%x\n", | |
1777 | irsp->un.elsreq64.remoteID, | |
1778 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1779 | irsp->ulpIoTag); | |
1780 | goto out; | |
1781 | } | |
1782 | ||
1783 | /* rrq completes to NPort <nlp_DID> */ | |
1784 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
1785 | "2880 RRQ completes to NPort x%x " | |
1786 | "Data: x%x x%x x%x x%x x%x\n", | |
1787 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
1788 | irsp->ulpTimeout, rrq->xritag, rrq->rxid); | |
1789 | ||
1790 | if (irsp->ulpStatus) { | |
1791 | /* Check for retry */ | |
1792 | /* RRQ failed Don't print the vport to vport rjts */ | |
1793 | if (irsp->ulpStatus != IOSTAT_LS_RJT || | |
1794 | (((irsp->un.ulpWord[4]) >> 16 != LSRJT_INVALID_CMD) && | |
1795 | ((irsp->un.ulpWord[4]) >> 16 != LSRJT_UNABLE_TPC)) || | |
1796 | (phba)->pport->cfg_log_verbose & LOG_ELS) | |
1797 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
1798 | "2881 RRQ failure DID:%06X Status:x%x/x%x\n", | |
1799 | ndlp->nlp_DID, irsp->ulpStatus, | |
1800 | irsp->un.ulpWord[4]); | |
1801 | } | |
1802 | out: | |
1803 | if (rrq) | |
1804 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
1805 | lpfc_els_free_iocb(phba, cmdiocb); | |
1806 | return; | |
1807 | } | |
e59058c4 | 1808 | /** |
3621a710 | 1809 | * lpfc_cmpl_els_plogi - Completion callback function for plogi |
e59058c4 JS |
1810 | * @phba: pointer to lpfc hba data structure. |
1811 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
1812 | * @rspiocb: pointer to lpfc response iocb data structure. | |
1813 | * | |
1814 | * This routine is the completion callback function for issuing the Port | |
1815 | * Login (PLOGI) command. For PLOGI completion, there must be an active | |
1816 | * ndlp on the vport node list that matches the remote node ID from the | |
25985edc | 1817 | * PLOGI response IOCB. If such ndlp does not exist, the PLOGI is simply |
e59058c4 JS |
1818 | * ignored and command IOCB released. The PLOGI response IOCB status is |
1819 | * checked for error conditons. If there is error status reported, PLOGI | |
1820 | * retry shall be attempted by invoking the lpfc_els_retry() routine. | |
1821 | * Otherwise, the lpfc_plogi_confirm_nport() routine shall be invoked on | |
1822 | * the ndlp and the NLP_EVT_CMPL_PLOGI state to the Discover State Machine | |
1823 | * (DSM) is set for this PLOGI completion. Finally, it checks whether | |
1824 | * there are additional N_Port nodes with the vport that need to perform | |
1825 | * PLOGI. If so, the lpfc_more_plogi() routine is invoked to issue addition | |
1826 | * PLOGIs. | |
1827 | **/ | |
dea3101e | 1828 | static void |
2e0fef85 JS |
1829 | lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1830 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1831 | { |
2e0fef85 JS |
1832 | struct lpfc_vport *vport = cmdiocb->vport; |
1833 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 1834 | IOCB_t *irsp; |
dea3101e | 1835 | struct lpfc_nodelist *ndlp; |
92795650 | 1836 | struct lpfc_dmabuf *prsp; |
eb016566 | 1837 | int disc, rc; |
dea3101e | 1838 | |
dea3101e | 1839 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
1840 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1841 | ||
1842 | irsp = &rspiocb->iocb; | |
858c9f6c JS |
1843 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
1844 | "PLOGI cmpl: status:x%x/x%x did:x%x", | |
1845 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1846 | irsp->un.elsreq64.remoteID); | |
1847 | ||
2e0fef85 | 1848 | ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); |
e47c9093 | 1849 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
e8b62011 JS |
1850 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
1851 | "0136 PLOGI completes to NPort x%x " | |
1852 | "with no ndlp. Data: x%x x%x x%x\n", | |
1853 | irsp->un.elsreq64.remoteID, | |
1854 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
1855 | irsp->ulpIoTag); | |
488d1469 | 1856 | goto out; |
ed957684 | 1857 | } |
dea3101e | 1858 | |
1859 | /* Since ndlp can be freed in the disc state machine, note if this node | |
1860 | * is being used during discovery. | |
1861 | */ | |
2e0fef85 | 1862 | spin_lock_irq(shost->host_lock); |
dea3101e | 1863 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
488d1469 | 1864 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
2e0fef85 | 1865 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1866 | rc = 0; |
1867 | ||
1868 | /* PLOGI completes to NPort <nlp_DID> */ | |
e8b62011 JS |
1869 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
1870 | "0102 PLOGI completes to NPort x%x " | |
1871 | "Data: x%x x%x x%x x%x x%x\n", | |
1872 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
1873 | irsp->ulpTimeout, disc, vport->num_disc_nodes); | |
dea3101e | 1874 | /* Check to see if link went down during discovery */ |
2e0fef85 JS |
1875 | if (lpfc_els_chk_latt(vport)) { |
1876 | spin_lock_irq(shost->host_lock); | |
dea3101e | 1877 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 1878 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1879 | goto out; |
1880 | } | |
1881 | ||
dea3101e | 1882 | if (irsp->ulpStatus) { |
1883 | /* Check for retry */ | |
1884 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1885 | /* ELS command is being retried */ | |
1886 | if (disc) { | |
2e0fef85 | 1887 | spin_lock_irq(shost->host_lock); |
dea3101e | 1888 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 1889 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1890 | } |
1891 | goto out; | |
1892 | } | |
2a9bf3d0 JS |
1893 | /* PLOGI failed Don't print the vport to vport rjts */ |
1894 | if (irsp->ulpStatus != IOSTAT_LS_RJT || | |
1895 | (((irsp->un.ulpWord[4]) >> 16 != LSRJT_INVALID_CMD) && | |
1896 | ((irsp->un.ulpWord[4]) >> 16 != LSRJT_UNABLE_TPC)) || | |
1897 | (phba)->pport->cfg_log_verbose & LOG_ELS) | |
1898 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
e40a02c1 JS |
1899 | "2753 PLOGI failure DID:%06X Status:x%x/x%x\n", |
1900 | ndlp->nlp_DID, irsp->ulpStatus, | |
1901 | irsp->un.ulpWord[4]); | |
dea3101e | 1902 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
e47c9093 | 1903 | if (lpfc_error_lost_link(irsp)) |
c9f8735b | 1904 | rc = NLP_STE_FREED_NODE; |
e47c9093 | 1905 | else |
2e0fef85 | 1906 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1907 | NLP_EVT_CMPL_PLOGI); |
dea3101e | 1908 | } else { |
1909 | /* Good status, call state machine */ | |
92795650 | 1910 | prsp = list_entry(((struct lpfc_dmabuf *) |
92d7f7b0 JS |
1911 | cmdiocb->context2)->list.next, |
1912 | struct lpfc_dmabuf, list); | |
1913 | ndlp = lpfc_plogi_confirm_nport(phba, prsp->virt, ndlp); | |
2e0fef85 | 1914 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 1915 | NLP_EVT_CMPL_PLOGI); |
dea3101e | 1916 | } |
1917 | ||
2e0fef85 | 1918 | if (disc && vport->num_disc_nodes) { |
dea3101e | 1919 | /* Check to see if there are more PLOGIs to be sent */ |
2e0fef85 | 1920 | lpfc_more_plogi(vport); |
dea3101e | 1921 | |
2e0fef85 JS |
1922 | if (vport->num_disc_nodes == 0) { |
1923 | spin_lock_irq(shost->host_lock); | |
1924 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1925 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1926 | |
2e0fef85 | 1927 | lpfc_can_disctmo(vport); |
87af33fe | 1928 | lpfc_end_rscn(vport); |
dea3101e | 1929 | } |
1930 | } | |
1931 | ||
1932 | out: | |
1933 | lpfc_els_free_iocb(phba, cmdiocb); | |
1934 | return; | |
1935 | } | |
1936 | ||
e59058c4 | 1937 | /** |
3621a710 | 1938 | * lpfc_issue_els_plogi - Issue an plogi iocb command for a vport |
e59058c4 JS |
1939 | * @vport: pointer to a host virtual N_Port data structure. |
1940 | * @did: destination port identifier. | |
1941 | * @retry: number of retries to the command IOCB. | |
1942 | * | |
1943 | * This routine issues a Port Login (PLOGI) command to a remote N_Port | |
1944 | * (with the @did) for a @vport. Before issuing a PLOGI to a remote N_Port, | |
1945 | * the ndlp with the remote N_Port DID must exist on the @vport's ndlp list. | |
1946 | * This routine constructs the proper feilds of the PLOGI IOCB and invokes | |
1947 | * the lpfc_sli_issue_iocb() routine to send out PLOGI ELS command. | |
1948 | * | |
1949 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
1950 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
1951 | * will be stored into the context1 field of the IOCB for the completion | |
1952 | * callback function to the PLOGI ELS command. | |
1953 | * | |
1954 | * Return code | |
1955 | * 0 - Successfully issued a plogi for @vport | |
1956 | * 1 - failed to issue a plogi for @vport | |
1957 | **/ | |
dea3101e | 1958 | int |
2e0fef85 | 1959 | lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) |
dea3101e | 1960 | { |
2e0fef85 | 1961 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1962 | struct serv_parm *sp; |
98c9ea5c | 1963 | struct lpfc_nodelist *ndlp; |
dea3101e | 1964 | struct lpfc_iocbq *elsiocb; |
dea3101e | 1965 | uint8_t *pcmd; |
1966 | uint16_t cmdsize; | |
92d7f7b0 | 1967 | int ret; |
dea3101e | 1968 | |
98c9ea5c | 1969 | ndlp = lpfc_findnode_did(vport, did); |
e47c9093 JS |
1970 | if (ndlp && !NLP_CHK_NODE_ACT(ndlp)) |
1971 | ndlp = NULL; | |
98c9ea5c | 1972 | |
e47c9093 | 1973 | /* If ndlp is not NULL, we will bump the reference count on it */ |
92d7f7b0 | 1974 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
98c9ea5c | 1975 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, |
2e0fef85 | 1976 | ELS_CMD_PLOGI); |
c9f8735b JW |
1977 | if (!elsiocb) |
1978 | return 1; | |
dea3101e | 1979 | |
dea3101e | 1980 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
1981 | ||
1982 | /* For PLOGI request, remainder of payload is service parameters */ | |
1983 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; | |
92d7f7b0 JS |
1984 | pcmd += sizeof(uint32_t); |
1985 | memcpy(pcmd, &vport->fc_sparam, sizeof(struct serv_parm)); | |
dea3101e | 1986 | sp = (struct serv_parm *) pcmd; |
1987 | ||
5ac6b303 JS |
1988 | /* |
1989 | * If we are a N-port connected to a Fabric, fix-up paramm's so logins | |
1990 | * to device on remote loops work. | |
1991 | */ | |
1992 | if ((vport->fc_flag & FC_FABRIC) && !(vport->fc_flag & FC_PUBLIC_LOOP)) | |
1993 | sp->cmn.altBbCredit = 1; | |
1994 | ||
dea3101e | 1995 | if (sp->cmn.fcphLow < FC_PH_4_3) |
1996 | sp->cmn.fcphLow = FC_PH_4_3; | |
1997 | ||
1998 | if (sp->cmn.fcphHigh < FC_PH3) | |
1999 | sp->cmn.fcphHigh = FC_PH3; | |
2000 | ||
858c9f6c JS |
2001 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2002 | "Issue PLOGI: did:x%x", | |
2003 | did, 0, 0); | |
2004 | ||
dea3101e | 2005 | phba->fc_stat.elsXmitPLOGI++; |
2006 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; | |
3772a991 | 2007 | ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); |
92d7f7b0 JS |
2008 | |
2009 | if (ret == IOCB_ERROR) { | |
dea3101e | 2010 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 2011 | return 1; |
dea3101e | 2012 | } |
c9f8735b | 2013 | return 0; |
dea3101e | 2014 | } |
2015 | ||
e59058c4 | 2016 | /** |
3621a710 | 2017 | * lpfc_cmpl_els_prli - Completion callback function for prli |
e59058c4 JS |
2018 | * @phba: pointer to lpfc hba data structure. |
2019 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
2020 | * @rspiocb: pointer to lpfc response iocb data structure. | |
2021 | * | |
2022 | * This routine is the completion callback function for a Process Login | |
2023 | * (PRLI) ELS command. The PRLI response IOCB status is checked for error | |
2024 | * status. If there is error status reported, PRLI retry shall be attempted | |
2025 | * by invoking the lpfc_els_retry() routine. Otherwise, the state | |
2026 | * NLP_EVT_CMPL_PRLI is sent to the Discover State Machine (DSM) for this | |
2027 | * ndlp to mark the PRLI completion. | |
2028 | **/ | |
dea3101e | 2029 | static void |
2e0fef85 JS |
2030 | lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
2031 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 2032 | { |
2e0fef85 JS |
2033 | struct lpfc_vport *vport = cmdiocb->vport; |
2034 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 2035 | IOCB_t *irsp; |
dea3101e | 2036 | struct lpfc_nodelist *ndlp; |
2037 | ||
dea3101e | 2038 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
2039 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
2040 | ||
2041 | irsp = &(rspiocb->iocb); | |
2042 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
2e0fef85 | 2043 | spin_lock_irq(shost->host_lock); |
dea3101e | 2044 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
2e0fef85 | 2045 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2046 | |
858c9f6c JS |
2047 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2048 | "PRLI cmpl: status:x%x/x%x did:x%x", | |
2049 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
2050 | ndlp->nlp_DID); | |
dea3101e | 2051 | /* PRLI completes to NPort <nlp_DID> */ |
e8b62011 JS |
2052 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2053 | "0103 PRLI completes to NPort x%x " | |
2054 | "Data: x%x x%x x%x x%x\n", | |
2055 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
2056 | irsp->ulpTimeout, vport->num_disc_nodes); | |
dea3101e | 2057 | |
2e0fef85 | 2058 | vport->fc_prli_sent--; |
dea3101e | 2059 | /* Check to see if link went down during discovery */ |
2e0fef85 | 2060 | if (lpfc_els_chk_latt(vport)) |
dea3101e | 2061 | goto out; |
2062 | ||
2063 | if (irsp->ulpStatus) { | |
2064 | /* Check for retry */ | |
2065 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
2066 | /* ELS command is being retried */ | |
2067 | goto out; | |
2068 | } | |
2069 | /* PRLI failed */ | |
e40a02c1 JS |
2070 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2071 | "2754 PRLI failure DID:%06X Status:x%x/x%x\n", | |
2072 | ndlp->nlp_DID, irsp->ulpStatus, | |
2073 | irsp->un.ulpWord[4]); | |
dea3101e | 2074 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
e47c9093 | 2075 | if (lpfc_error_lost_link(irsp)) |
dea3101e | 2076 | goto out; |
e47c9093 | 2077 | else |
2e0fef85 | 2078 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 2079 | NLP_EVT_CMPL_PRLI); |
e47c9093 | 2080 | } else |
dea3101e | 2081 | /* Good status, call state machine */ |
2e0fef85 | 2082 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
92d7f7b0 | 2083 | NLP_EVT_CMPL_PRLI); |
dea3101e | 2084 | out: |
2085 | lpfc_els_free_iocb(phba, cmdiocb); | |
2086 | return; | |
2087 | } | |
2088 | ||
e59058c4 | 2089 | /** |
3621a710 | 2090 | * lpfc_issue_els_prli - Issue a prli iocb command for a vport |
e59058c4 JS |
2091 | * @vport: pointer to a host virtual N_Port data structure. |
2092 | * @ndlp: pointer to a node-list data structure. | |
2093 | * @retry: number of retries to the command IOCB. | |
2094 | * | |
2095 | * This routine issues a Process Login (PRLI) ELS command for the | |
2096 | * @vport. The PRLI service parameters are set up in the payload of the | |
2097 | * PRLI Request command and the pointer to lpfc_cmpl_els_prli() routine | |
2098 | * is put to the IOCB completion callback func field before invoking the | |
2099 | * routine lpfc_sli_issue_iocb() to send out PRLI command. | |
2100 | * | |
2101 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
2102 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
2103 | * will be stored into the context1 field of the IOCB for the completion | |
2104 | * callback function to the PRLI ELS command. | |
2105 | * | |
2106 | * Return code | |
2107 | * 0 - successfully issued prli iocb command for @vport | |
2108 | * 1 - failed to issue prli iocb command for @vport | |
2109 | **/ | |
dea3101e | 2110 | int |
2e0fef85 | 2111 | lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 2112 | uint8_t retry) |
2113 | { | |
2e0fef85 JS |
2114 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2115 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2116 | PRLI *npr; |
dea3101e | 2117 | struct lpfc_iocbq *elsiocb; |
dea3101e | 2118 | uint8_t *pcmd; |
2119 | uint16_t cmdsize; | |
2120 | ||
92d7f7b0 | 2121 | cmdsize = (sizeof(uint32_t) + sizeof(PRLI)); |
2e0fef85 JS |
2122 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
2123 | ndlp->nlp_DID, ELS_CMD_PRLI); | |
488d1469 | 2124 | if (!elsiocb) |
c9f8735b | 2125 | return 1; |
dea3101e | 2126 | |
dea3101e | 2127 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2128 | ||
2129 | /* For PRLI request, remainder of payload is service parameters */ | |
92d7f7b0 | 2130 | memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t))); |
dea3101e | 2131 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; |
92d7f7b0 | 2132 | pcmd += sizeof(uint32_t); |
dea3101e | 2133 | |
2134 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
2135 | npr = (PRLI *) pcmd; | |
2136 | /* | |
2137 | * If our firmware version is 3.20 or later, | |
2138 | * set the following bits for FC-TAPE support. | |
2139 | */ | |
2140 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { | |
2141 | npr->ConfmComplAllowed = 1; | |
2142 | npr->Retry = 1; | |
2143 | npr->TaskRetryIdReq = 1; | |
2144 | } | |
2145 | npr->estabImagePair = 1; | |
2146 | npr->readXferRdyDis = 1; | |
3cb01c57 JS |
2147 | if (vport->cfg_first_burst_size) |
2148 | npr->writeXferRdyDis = 1; | |
dea3101e | 2149 | |
2150 | /* For FCP support */ | |
2151 | npr->prliType = PRLI_FCP_TYPE; | |
2152 | npr->initiatorFunc = 1; | |
2153 | ||
858c9f6c JS |
2154 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2155 | "Issue PRLI: did:x%x", | |
2156 | ndlp->nlp_DID, 0, 0); | |
2157 | ||
dea3101e | 2158 | phba->fc_stat.elsXmitPRLI++; |
2159 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; | |
2e0fef85 | 2160 | spin_lock_irq(shost->host_lock); |
dea3101e | 2161 | ndlp->nlp_flag |= NLP_PRLI_SND; |
2e0fef85 | 2162 | spin_unlock_irq(shost->host_lock); |
3772a991 JS |
2163 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == |
2164 | IOCB_ERROR) { | |
2e0fef85 | 2165 | spin_lock_irq(shost->host_lock); |
dea3101e | 2166 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
2e0fef85 | 2167 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2168 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 2169 | return 1; |
dea3101e | 2170 | } |
2e0fef85 | 2171 | vport->fc_prli_sent++; |
c9f8735b | 2172 | return 0; |
dea3101e | 2173 | } |
2174 | ||
90160e01 | 2175 | /** |
3621a710 | 2176 | * lpfc_rscn_disc - Perform rscn discovery for a vport |
90160e01 JS |
2177 | * @vport: pointer to a host virtual N_Port data structure. |
2178 | * | |
2179 | * This routine performs Registration State Change Notification (RSCN) | |
2180 | * discovery for a @vport. If the @vport's node port recovery count is not | |
2181 | * zero, it will invoke the lpfc_els_disc_plogi() to perform PLOGI for all | |
2182 | * the nodes that need recovery. If none of the PLOGI were needed through | |
2183 | * the lpfc_els_disc_plogi() routine, the lpfc_end_rscn() routine shall be | |
2184 | * invoked to check and handle possible more RSCN came in during the period | |
2185 | * of processing the current ones. | |
2186 | **/ | |
2187 | static void | |
2188 | lpfc_rscn_disc(struct lpfc_vport *vport) | |
2189 | { | |
2190 | lpfc_can_disctmo(vport); | |
2191 | ||
2192 | /* RSCN discovery */ | |
2193 | /* go thru NPR nodes and issue ELS PLOGIs */ | |
2194 | if (vport->fc_npr_cnt) | |
2195 | if (lpfc_els_disc_plogi(vport)) | |
2196 | return; | |
2197 | ||
2198 | lpfc_end_rscn(vport); | |
2199 | } | |
2200 | ||
2201 | /** | |
3621a710 | 2202 | * lpfc_adisc_done - Complete the adisc phase of discovery |
90160e01 JS |
2203 | * @vport: pointer to lpfc_vport hba data structure that finished all ADISCs. |
2204 | * | |
2205 | * This function is called when the final ADISC is completed during discovery. | |
2206 | * This function handles clearing link attention or issuing reg_vpi depending | |
2207 | * on whether npiv is enabled. This function also kicks off the PLOGI phase of | |
2208 | * discovery. | |
2209 | * This function is called with no locks held. | |
2210 | **/ | |
2211 | static void | |
2212 | lpfc_adisc_done(struct lpfc_vport *vport) | |
2213 | { | |
2214 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
2215 | struct lpfc_hba *phba = vport->phba; | |
2216 | ||
2217 | /* | |
2218 | * For NPIV, cmpl_reg_vpi will set port_state to READY, | |
2219 | * and continue discovery. | |
2220 | */ | |
2221 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
6fb120a7 JS |
2222 | !(vport->fc_flag & FC_RSCN_MODE) && |
2223 | (phba->sli_rev < LPFC_SLI_REV4)) { | |
d454c91f JS |
2224 | /* The ADISCs are complete. Doesn't matter if they |
2225 | * succeeded or failed because the ADISC completion | |
2226 | * routine guarantees to call the state machine and | |
2227 | * the RPI is either unregistered (failed ADISC response) | |
2228 | * or the RPI is still valid and the node is marked | |
2229 | * mapped for a target. The exchanges should be in the | |
2230 | * correct state. This code is specific to SLI3. | |
2231 | */ | |
2232 | lpfc_issue_clear_la(phba, vport); | |
90160e01 JS |
2233 | lpfc_issue_reg_vpi(phba, vport); |
2234 | return; | |
2235 | } | |
2236 | /* | |
2237 | * For SLI2, we need to set port_state to READY | |
2238 | * and continue discovery. | |
2239 | */ | |
2240 | if (vport->port_state < LPFC_VPORT_READY) { | |
2241 | /* If we get here, there is nothing to ADISC */ | |
85c0f177 | 2242 | lpfc_issue_clear_la(phba, vport); |
90160e01 JS |
2243 | if (!(vport->fc_flag & FC_ABORT_DISCOVERY)) { |
2244 | vport->num_disc_nodes = 0; | |
2245 | /* go thru NPR list, issue ELS PLOGIs */ | |
2246 | if (vport->fc_npr_cnt) | |
2247 | lpfc_els_disc_plogi(vport); | |
2248 | if (!vport->num_disc_nodes) { | |
2249 | spin_lock_irq(shost->host_lock); | |
2250 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2251 | spin_unlock_irq(shost->host_lock); | |
2252 | lpfc_can_disctmo(vport); | |
2253 | lpfc_end_rscn(vport); | |
2254 | } | |
2255 | } | |
2256 | vport->port_state = LPFC_VPORT_READY; | |
2257 | } else | |
2258 | lpfc_rscn_disc(vport); | |
2259 | } | |
2260 | ||
e59058c4 | 2261 | /** |
3621a710 | 2262 | * lpfc_more_adisc - Issue more adisc as needed |
e59058c4 JS |
2263 | * @vport: pointer to a host virtual N_Port data structure. |
2264 | * | |
2265 | * This routine determines whether there are more ndlps on a @vport | |
2266 | * node list need to have Address Discover (ADISC) issued. If so, it will | |
2267 | * invoke the lpfc_els_disc_adisc() routine to issue ADISC on the @vport's | |
2268 | * remaining nodes which need to have ADISC sent. | |
2269 | **/ | |
0ff10d46 | 2270 | void |
2e0fef85 | 2271 | lpfc_more_adisc(struct lpfc_vport *vport) |
dea3101e | 2272 | { |
2e0fef85 JS |
2273 | if (vport->num_disc_nodes) |
2274 | vport->num_disc_nodes--; | |
dea3101e | 2275 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ |
e8b62011 JS |
2276 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
2277 | "0210 Continue discovery with %d ADISCs to go " | |
2278 | "Data: x%x x%x x%x\n", | |
2279 | vport->num_disc_nodes, vport->fc_adisc_cnt, | |
2280 | vport->fc_flag, vport->port_state); | |
dea3101e | 2281 | /* Check to see if there are more ADISCs to be sent */ |
2e0fef85 JS |
2282 | if (vport->fc_flag & FC_NLP_MORE) { |
2283 | lpfc_set_disctmo(vport); | |
2284 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ | |
eb016566 | 2285 | lpfc_els_disc_adisc(vport); |
dea3101e | 2286 | } |
90160e01 JS |
2287 | if (!vport->num_disc_nodes) |
2288 | lpfc_adisc_done(vport); | |
dea3101e | 2289 | return; |
2290 | } | |
2291 | ||
e59058c4 | 2292 | /** |
3621a710 | 2293 | * lpfc_cmpl_els_adisc - Completion callback function for adisc |
e59058c4 JS |
2294 | * @phba: pointer to lpfc hba data structure. |
2295 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
2296 | * @rspiocb: pointer to lpfc response iocb data structure. | |
2297 | * | |
2298 | * This routine is the completion function for issuing the Address Discover | |
2299 | * (ADISC) command. It first checks to see whether link went down during | |
2300 | * the discovery process. If so, the node will be marked as node port | |
2301 | * recovery for issuing discover IOCB by the link attention handler and | |
2302 | * exit. Otherwise, the response status is checked. If error was reported | |
2303 | * in the response status, the ADISC command shall be retried by invoking | |
2304 | * the lpfc_els_retry() routine. Otherwise, if no error was reported in | |
2305 | * the response status, the state machine is invoked to set transition | |
2306 | * with respect to NLP_EVT_CMPL_ADISC event. | |
2307 | **/ | |
dea3101e | 2308 | static void |
2e0fef85 JS |
2309 | lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
2310 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 2311 | { |
2e0fef85 JS |
2312 | struct lpfc_vport *vport = cmdiocb->vport; |
2313 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 2314 | IOCB_t *irsp; |
dea3101e | 2315 | struct lpfc_nodelist *ndlp; |
2e0fef85 | 2316 | int disc; |
dea3101e | 2317 | |
2318 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
2319 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
2320 | ||
2321 | irsp = &(rspiocb->iocb); | |
2322 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
dea3101e | 2323 | |
858c9f6c JS |
2324 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2325 | "ADISC cmpl: status:x%x/x%x did:x%x", | |
2326 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
2327 | ndlp->nlp_DID); | |
2328 | ||
dea3101e | 2329 | /* Since ndlp can be freed in the disc state machine, note if this node |
2330 | * is being used during discovery. | |
2331 | */ | |
2e0fef85 | 2332 | spin_lock_irq(shost->host_lock); |
dea3101e | 2333 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
c9f8735b | 2334 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); |
2e0fef85 | 2335 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2336 | /* ADISC completes to NPort <nlp_DID> */ |
e8b62011 JS |
2337 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2338 | "0104 ADISC completes to NPort x%x " | |
2339 | "Data: x%x x%x x%x x%x x%x\n", | |
2340 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
2341 | irsp->ulpTimeout, disc, vport->num_disc_nodes); | |
dea3101e | 2342 | /* Check to see if link went down during discovery */ |
2e0fef85 JS |
2343 | if (lpfc_els_chk_latt(vport)) { |
2344 | spin_lock_irq(shost->host_lock); | |
dea3101e | 2345 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 2346 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2347 | goto out; |
2348 | } | |
2349 | ||
2350 | if (irsp->ulpStatus) { | |
2351 | /* Check for retry */ | |
2352 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
2353 | /* ELS command is being retried */ | |
2354 | if (disc) { | |
2e0fef85 | 2355 | spin_lock_irq(shost->host_lock); |
dea3101e | 2356 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 JS |
2357 | spin_unlock_irq(shost->host_lock); |
2358 | lpfc_set_disctmo(vport); | |
dea3101e | 2359 | } |
2360 | goto out; | |
2361 | } | |
2362 | /* ADISC failed */ | |
e40a02c1 JS |
2363 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2364 | "2755 ADISC failure DID:%06X Status:x%x/x%x\n", | |
2365 | ndlp->nlp_DID, irsp->ulpStatus, | |
2366 | irsp->un.ulpWord[4]); | |
dea3101e | 2367 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
e47c9093 | 2368 | if (!lpfc_error_lost_link(irsp)) |
2e0fef85 | 2369 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
858c9f6c | 2370 | NLP_EVT_CMPL_ADISC); |
e47c9093 | 2371 | } else |
dea3101e | 2372 | /* Good status, call state machine */ |
2e0fef85 | 2373 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e | 2374 | NLP_EVT_CMPL_ADISC); |
dea3101e | 2375 | |
90160e01 JS |
2376 | /* Check to see if there are more ADISCs to be sent */ |
2377 | if (disc && vport->num_disc_nodes) | |
2e0fef85 | 2378 | lpfc_more_adisc(vport); |
dea3101e | 2379 | out: |
2380 | lpfc_els_free_iocb(phba, cmdiocb); | |
2381 | return; | |
2382 | } | |
2383 | ||
e59058c4 | 2384 | /** |
3621a710 | 2385 | * lpfc_issue_els_adisc - Issue an address discover iocb to an node on a vport |
e59058c4 JS |
2386 | * @vport: pointer to a virtual N_Port data structure. |
2387 | * @ndlp: pointer to a node-list data structure. | |
2388 | * @retry: number of retries to the command IOCB. | |
2389 | * | |
2390 | * This routine issues an Address Discover (ADISC) for an @ndlp on a | |
2391 | * @vport. It prepares the payload of the ADISC ELS command, updates the | |
2392 | * and states of the ndlp, and invokes the lpfc_sli_issue_iocb() routine | |
2393 | * to issue the ADISC ELS command. | |
2394 | * | |
2395 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
2396 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
2397 | * will be stored into the context1 field of the IOCB for the completion | |
2398 | * callback function to the ADISC ELS command. | |
2399 | * | |
2400 | * Return code | |
2401 | * 0 - successfully issued adisc | |
2402 | * 1 - failed to issue adisc | |
2403 | **/ | |
dea3101e | 2404 | int |
2e0fef85 | 2405 | lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 2406 | uint8_t retry) |
2407 | { | |
2e0fef85 JS |
2408 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2409 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2410 | ADISC *ap; |
dea3101e | 2411 | struct lpfc_iocbq *elsiocb; |
dea3101e | 2412 | uint8_t *pcmd; |
2413 | uint16_t cmdsize; | |
2414 | ||
92d7f7b0 | 2415 | cmdsize = (sizeof(uint32_t) + sizeof(ADISC)); |
2e0fef85 JS |
2416 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
2417 | ndlp->nlp_DID, ELS_CMD_ADISC); | |
488d1469 | 2418 | if (!elsiocb) |
c9f8735b | 2419 | return 1; |
dea3101e | 2420 | |
dea3101e | 2421 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2422 | ||
2423 | /* For ADISC request, remainder of payload is service parameters */ | |
2424 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; | |
92d7f7b0 | 2425 | pcmd += sizeof(uint32_t); |
dea3101e | 2426 | |
2427 | /* Fill in ADISC payload */ | |
2428 | ap = (ADISC *) pcmd; | |
2429 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
92d7f7b0 JS |
2430 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
2431 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 | 2432 | ap->DID = be32_to_cpu(vport->fc_myDID); |
dea3101e | 2433 | |
858c9f6c JS |
2434 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2435 | "Issue ADISC: did:x%x", | |
2436 | ndlp->nlp_DID, 0, 0); | |
2437 | ||
dea3101e | 2438 | phba->fc_stat.elsXmitADISC++; |
2439 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; | |
2e0fef85 | 2440 | spin_lock_irq(shost->host_lock); |
dea3101e | 2441 | ndlp->nlp_flag |= NLP_ADISC_SND; |
2e0fef85 | 2442 | spin_unlock_irq(shost->host_lock); |
3772a991 JS |
2443 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == |
2444 | IOCB_ERROR) { | |
2e0fef85 | 2445 | spin_lock_irq(shost->host_lock); |
dea3101e | 2446 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
2e0fef85 | 2447 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2448 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 2449 | return 1; |
dea3101e | 2450 | } |
c9f8735b | 2451 | return 0; |
dea3101e | 2452 | } |
2453 | ||
e59058c4 | 2454 | /** |
3621a710 | 2455 | * lpfc_cmpl_els_logo - Completion callback function for logo |
e59058c4 JS |
2456 | * @phba: pointer to lpfc hba data structure. |
2457 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
2458 | * @rspiocb: pointer to lpfc response iocb data structure. | |
2459 | * | |
2460 | * This routine is the completion function for issuing the ELS Logout (LOGO) | |
2461 | * command. If no error status was reported from the LOGO response, the | |
2462 | * state machine of the associated ndlp shall be invoked for transition with | |
2463 | * respect to NLP_EVT_CMPL_LOGO event. Otherwise, if error status was reported, | |
2464 | * the lpfc_els_retry() routine will be invoked to retry the LOGO command. | |
2465 | **/ | |
dea3101e | 2466 | static void |
2e0fef85 JS |
2467 | lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
2468 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 2469 | { |
2e0fef85 JS |
2470 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
2471 | struct lpfc_vport *vport = ndlp->vport; | |
2472 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 2473 | IOCB_t *irsp; |
92494144 | 2474 | struct lpfcMboxq *mbox; |
086a345f JS |
2475 | unsigned long flags; |
2476 | uint32_t skip_recovery = 0; | |
dea3101e | 2477 | |
dea3101e | 2478 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
2479 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
2480 | ||
2481 | irsp = &(rspiocb->iocb); | |
2e0fef85 | 2482 | spin_lock_irq(shost->host_lock); |
dea3101e | 2483 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
2e0fef85 | 2484 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2485 | |
858c9f6c JS |
2486 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2487 | "LOGO cmpl: status:x%x/x%x did:x%x", | |
2488 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
2489 | ndlp->nlp_DID); | |
086a345f | 2490 | |
dea3101e | 2491 | /* LOGO completes to NPort <nlp_DID> */ |
e8b62011 JS |
2492 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2493 | "0105 LOGO completes to NPort x%x " | |
2494 | "Data: x%x x%x x%x x%x\n", | |
2495 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
2496 | irsp->ulpTimeout, vport->num_disc_nodes); | |
086a345f JS |
2497 | |
2498 | if (lpfc_els_chk_latt(vport)) { | |
2499 | skip_recovery = 1; | |
dea3101e | 2500 | goto out; |
086a345f | 2501 | } |
dea3101e | 2502 | |
086a345f | 2503 | /* Check to see if link went down during discovery */ |
92d7f7b0 JS |
2504 | if (ndlp->nlp_flag & NLP_TARGET_REMOVE) { |
2505 | /* NLP_EVT_DEVICE_RM should unregister the RPI | |
2506 | * which should abort all outstanding IOs. | |
2507 | */ | |
2508 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, | |
2509 | NLP_EVT_DEVICE_RM); | |
086a345f | 2510 | skip_recovery = 1; |
92d7f7b0 JS |
2511 | goto out; |
2512 | } | |
2513 | ||
dea3101e | 2514 | if (irsp->ulpStatus) { |
2515 | /* Check for retry */ | |
086a345f | 2516 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { |
dea3101e | 2517 | /* ELS command is being retried */ |
086a345f | 2518 | skip_recovery = 1; |
dea3101e | 2519 | goto out; |
086a345f | 2520 | } |
dea3101e | 2521 | /* LOGO failed */ |
e40a02c1 JS |
2522 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2523 | "2756 LOGO failure DID:%06X Status:x%x/x%x\n", | |
2524 | ndlp->nlp_DID, irsp->ulpStatus, | |
2525 | irsp->un.ulpWord[4]); | |
dea3101e | 2526 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ |
086a345f JS |
2527 | if (lpfc_error_lost_link(irsp)) { |
2528 | skip_recovery = 1; | |
dea3101e | 2529 | goto out; |
086a345f JS |
2530 | } |
2531 | } | |
2532 | ||
2533 | /* Call state machine. This will unregister the rpi if needed. */ | |
2534 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO); | |
2535 | ||
dea3101e | 2536 | out: |
2537 | lpfc_els_free_iocb(phba, cmdiocb); | |
92494144 JS |
2538 | /* If we are in pt2pt mode, we could rcv new S_ID on PLOGI */ |
2539 | if ((vport->fc_flag & FC_PT2PT) && | |
2540 | !(vport->fc_flag & FC_PT2PT_PLOGI)) { | |
2541 | phba->pport->fc_myDID = 0; | |
2542 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
2543 | if (mbox) { | |
2544 | lpfc_config_link(phba, mbox); | |
2545 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
2546 | mbox->vport = vport; | |
2547 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == | |
2548 | MBX_NOT_FINISHED) { | |
2549 | mempool_free(mbox, phba->mbox_mem_pool); | |
086a345f | 2550 | skip_recovery = 1; |
92494144 JS |
2551 | } |
2552 | } | |
2553 | } | |
086a345f JS |
2554 | |
2555 | /* | |
2556 | * If the node is a target, the handling attempts to recover the port. | |
2557 | * For any other port type, the rpi is unregistered as an implicit | |
2558 | * LOGO. | |
2559 | */ | |
2560 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && (skip_recovery == 0)) { | |
2561 | lpfc_cancel_retry_delay_tmo(vport, ndlp); | |
2562 | spin_lock_irqsave(shost->host_lock, flags); | |
2563 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; | |
2564 | spin_unlock_irqrestore(shost->host_lock, flags); | |
2565 | ||
2566 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
2567 | "3187 LOGO completes to NPort x%x: Start " | |
2568 | "Recovery Data: x%x x%x x%x x%x\n", | |
2569 | ndlp->nlp_DID, irsp->ulpStatus, | |
2570 | irsp->un.ulpWord[4], irsp->ulpTimeout, | |
2571 | vport->num_disc_nodes); | |
2572 | lpfc_disc_start(vport); | |
2573 | } | |
dea3101e | 2574 | return; |
2575 | } | |
2576 | ||
e59058c4 | 2577 | /** |
3621a710 | 2578 | * lpfc_issue_els_logo - Issue a logo to an node on a vport |
e59058c4 JS |
2579 | * @vport: pointer to a virtual N_Port data structure. |
2580 | * @ndlp: pointer to a node-list data structure. | |
2581 | * @retry: number of retries to the command IOCB. | |
2582 | * | |
2583 | * This routine constructs and issues an ELS Logout (LOGO) iocb command | |
2584 | * to a remote node, referred by an @ndlp on a @vport. It constructs the | |
2585 | * payload of the IOCB, properly sets up the @ndlp state, and invokes the | |
2586 | * lpfc_sli_issue_iocb() routine to send out the LOGO ELS command. | |
2587 | * | |
2588 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
2589 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
2590 | * will be stored into the context1 field of the IOCB for the completion | |
2591 | * callback function to the LOGO ELS command. | |
2592 | * | |
2593 | * Return code | |
2594 | * 0 - successfully issued logo | |
2595 | * 1 - failed to issue logo | |
2596 | **/ | |
dea3101e | 2597 | int |
2e0fef85 | 2598 | lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 2599 | uint8_t retry) |
2600 | { | |
2e0fef85 JS |
2601 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2602 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2603 | struct lpfc_iocbq *elsiocb; |
dea3101e | 2604 | uint8_t *pcmd; |
2605 | uint16_t cmdsize; | |
92d7f7b0 | 2606 | int rc; |
dea3101e | 2607 | |
98c9ea5c JS |
2608 | spin_lock_irq(shost->host_lock); |
2609 | if (ndlp->nlp_flag & NLP_LOGO_SND) { | |
2610 | spin_unlock_irq(shost->host_lock); | |
2611 | return 0; | |
2612 | } | |
2613 | spin_unlock_irq(shost->host_lock); | |
2614 | ||
92d7f7b0 | 2615 | cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name); |
2e0fef85 JS |
2616 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
2617 | ndlp->nlp_DID, ELS_CMD_LOGO); | |
488d1469 | 2618 | if (!elsiocb) |
c9f8735b | 2619 | return 1; |
dea3101e | 2620 | |
dea3101e | 2621 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2622 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
92d7f7b0 | 2623 | pcmd += sizeof(uint32_t); |
dea3101e | 2624 | |
2625 | /* Fill in LOGO payload */ | |
2e0fef85 | 2626 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
92d7f7b0 JS |
2627 | pcmd += sizeof(uint32_t); |
2628 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); | |
dea3101e | 2629 | |
858c9f6c JS |
2630 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2631 | "Issue LOGO: did:x%x", | |
2632 | ndlp->nlp_DID, 0, 0); | |
2633 | ||
086a345f JS |
2634 | /* |
2635 | * If we are issuing a LOGO, we may try to recover the remote NPort | |
2636 | * by issuing a PLOGI later. Even though we issue ELS cmds by the | |
2637 | * VPI, if we have a valid RPI, and that RPI gets unreg'ed while | |
2638 | * that ELS command is in-flight, the HBA returns a IOERR_INVALID_RPI | |
2639 | * for that ELS cmd. To avoid this situation, lets get rid of the | |
2640 | * RPI right now, before any ELS cmds are sent. | |
2641 | */ | |
2642 | spin_lock_irq(shost->host_lock); | |
2643 | ndlp->nlp_flag |= NLP_ISSUE_LOGO; | |
2644 | spin_unlock_irq(shost->host_lock); | |
2645 | if (lpfc_unreg_rpi(vport, ndlp)) { | |
2646 | lpfc_els_free_iocb(phba, elsiocb); | |
2647 | return 0; | |
2648 | } | |
2649 | ||
dea3101e | 2650 | phba->fc_stat.elsXmitLOGO++; |
2651 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; | |
2e0fef85 | 2652 | spin_lock_irq(shost->host_lock); |
dea3101e | 2653 | ndlp->nlp_flag |= NLP_LOGO_SND; |
086a345f | 2654 | ndlp->nlp_flag &= ~NLP_ISSUE_LOGO; |
2e0fef85 | 2655 | spin_unlock_irq(shost->host_lock); |
3772a991 | 2656 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); |
92d7f7b0 JS |
2657 | |
2658 | if (rc == IOCB_ERROR) { | |
2e0fef85 | 2659 | spin_lock_irq(shost->host_lock); |
dea3101e | 2660 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
2e0fef85 | 2661 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2662 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 2663 | return 1; |
dea3101e | 2664 | } |
c9f8735b | 2665 | return 0; |
dea3101e | 2666 | } |
2667 | ||
e59058c4 | 2668 | /** |
3621a710 | 2669 | * lpfc_cmpl_els_cmd - Completion callback function for generic els command |
e59058c4 JS |
2670 | * @phba: pointer to lpfc hba data structure. |
2671 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
2672 | * @rspiocb: pointer to lpfc response iocb data structure. | |
2673 | * | |
2674 | * This routine is a generic completion callback function for ELS commands. | |
2675 | * Specifically, it is the callback function which does not need to perform | |
2676 | * any command specific operations. It is currently used by the ELS command | |
2677 | * issuing routines for the ELS State Change Request (SCR), | |
2678 | * lpfc_issue_els_scr(), and the ELS Fibre Channel Address Resolution | |
2679 | * Protocol Response (FARPR) routine, lpfc_issue_els_farpr(). Other than | |
2680 | * certain debug loggings, this callback function simply invokes the | |
2681 | * lpfc_els_chk_latt() routine to check whether link went down during the | |
2682 | * discovery process. | |
2683 | **/ | |
dea3101e | 2684 | static void |
2e0fef85 JS |
2685 | lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
2686 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 2687 | { |
2e0fef85 | 2688 | struct lpfc_vport *vport = cmdiocb->vport; |
dea3101e | 2689 | IOCB_t *irsp; |
2690 | ||
2691 | irsp = &rspiocb->iocb; | |
2692 | ||
858c9f6c JS |
2693 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2694 | "ELS cmd cmpl: status:x%x/x%x did:x%x", | |
2695 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
2696 | irsp->un.elsreq64.remoteID); | |
dea3101e | 2697 | /* ELS cmd tag <ulpIoTag> completes */ |
e8b62011 JS |
2698 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
2699 | "0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", | |
2700 | irsp->ulpIoTag, irsp->ulpStatus, | |
2701 | irsp->un.ulpWord[4], irsp->ulpTimeout); | |
dea3101e | 2702 | /* Check to see if link went down during discovery */ |
2e0fef85 | 2703 | lpfc_els_chk_latt(vport); |
dea3101e | 2704 | lpfc_els_free_iocb(phba, cmdiocb); |
2705 | return; | |
2706 | } | |
2707 | ||
e59058c4 | 2708 | /** |
3621a710 | 2709 | * lpfc_issue_els_scr - Issue a scr to an node on a vport |
e59058c4 JS |
2710 | * @vport: pointer to a host virtual N_Port data structure. |
2711 | * @nportid: N_Port identifier to the remote node. | |
2712 | * @retry: number of retries to the command IOCB. | |
2713 | * | |
2714 | * This routine issues a State Change Request (SCR) to a fabric node | |
2715 | * on a @vport. The remote node @nportid is passed into the function. It | |
2716 | * first search the @vport node list to find the matching ndlp. If no such | |
2717 | * ndlp is found, a new ndlp shall be created for this (SCR) purpose. An | |
2718 | * IOCB is allocated, payload prepared, and the lpfc_sli_issue_iocb() | |
2719 | * routine is invoked to send the SCR IOCB. | |
2720 | * | |
2721 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
2722 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
2723 | * will be stored into the context1 field of the IOCB for the completion | |
2724 | * callback function to the SCR ELS command. | |
2725 | * | |
2726 | * Return code | |
2727 | * 0 - Successfully issued scr command | |
2728 | * 1 - Failed to issue scr command | |
2729 | **/ | |
dea3101e | 2730 | int |
2e0fef85 | 2731 | lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
dea3101e | 2732 | { |
2e0fef85 | 2733 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2734 | struct lpfc_iocbq *elsiocb; |
dea3101e | 2735 | uint8_t *pcmd; |
2736 | uint16_t cmdsize; | |
2737 | struct lpfc_nodelist *ndlp; | |
2738 | ||
92d7f7b0 | 2739 | cmdsize = (sizeof(uint32_t) + sizeof(SCR)); |
dea3101e | 2740 | |
e47c9093 JS |
2741 | ndlp = lpfc_findnode_did(vport, nportid); |
2742 | if (!ndlp) { | |
2743 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
2744 | if (!ndlp) | |
2745 | return 1; | |
2746 | lpfc_nlp_init(vport, ndlp, nportid); | |
2747 | lpfc_enqueue_node(vport, ndlp); | |
2748 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
2749 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
2750 | if (!ndlp) | |
2751 | return 1; | |
2752 | } | |
2e0fef85 JS |
2753 | |
2754 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, | |
2755 | ndlp->nlp_DID, ELS_CMD_SCR); | |
dea3101e | 2756 | |
488d1469 | 2757 | if (!elsiocb) { |
fa4066b6 JS |
2758 | /* This will trigger the release of the node just |
2759 | * allocated | |
2760 | */ | |
329f9bc7 | 2761 | lpfc_nlp_put(ndlp); |
c9f8735b | 2762 | return 1; |
dea3101e | 2763 | } |
2764 | ||
dea3101e | 2765 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2766 | ||
2767 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; | |
92d7f7b0 | 2768 | pcmd += sizeof(uint32_t); |
dea3101e | 2769 | |
2770 | /* For SCR, remainder of payload is SCR parameter page */ | |
92d7f7b0 | 2771 | memset(pcmd, 0, sizeof(SCR)); |
dea3101e | 2772 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; |
2773 | ||
858c9f6c JS |
2774 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2775 | "Issue SCR: did:x%x", | |
2776 | ndlp->nlp_DID, 0, 0); | |
2777 | ||
dea3101e | 2778 | phba->fc_stat.elsXmitSCR++; |
2779 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
3772a991 JS |
2780 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == |
2781 | IOCB_ERROR) { | |
fa4066b6 JS |
2782 | /* The additional lpfc_nlp_put will cause the following |
2783 | * lpfc_els_free_iocb routine to trigger the rlease of | |
2784 | * the node. | |
2785 | */ | |
329f9bc7 | 2786 | lpfc_nlp_put(ndlp); |
dea3101e | 2787 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 2788 | return 1; |
dea3101e | 2789 | } |
fa4066b6 JS |
2790 | /* This will cause the callback-function lpfc_cmpl_els_cmd to |
2791 | * trigger the release of node. | |
2792 | */ | |
cff261f6 | 2793 | |
329f9bc7 | 2794 | lpfc_nlp_put(ndlp); |
c9f8735b | 2795 | return 0; |
dea3101e | 2796 | } |
2797 | ||
e59058c4 | 2798 | /** |
3621a710 | 2799 | * lpfc_issue_els_farpr - Issue a farp to an node on a vport |
e59058c4 JS |
2800 | * @vport: pointer to a host virtual N_Port data structure. |
2801 | * @nportid: N_Port identifier to the remote node. | |
2802 | * @retry: number of retries to the command IOCB. | |
2803 | * | |
2804 | * This routine issues a Fibre Channel Address Resolution Response | |
2805 | * (FARPR) to a node on a vport. The remote node N_Port identifier (@nportid) | |
2806 | * is passed into the function. It first search the @vport node list to find | |
2807 | * the matching ndlp. If no such ndlp is found, a new ndlp shall be created | |
2808 | * for this (FARPR) purpose. An IOCB is allocated, payload prepared, and the | |
2809 | * lpfc_sli_issue_iocb() routine is invoked to send the FARPR ELS command. | |
2810 | * | |
2811 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
2812 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
2813 | * will be stored into the context1 field of the IOCB for the completion | |
2814 | * callback function to the PARPR ELS command. | |
2815 | * | |
2816 | * Return code | |
2817 | * 0 - Successfully issued farpr command | |
2818 | * 1 - Failed to issue farpr command | |
2819 | **/ | |
dea3101e | 2820 | static int |
2e0fef85 | 2821 | lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
dea3101e | 2822 | { |
2e0fef85 | 2823 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2824 | struct lpfc_iocbq *elsiocb; |
dea3101e | 2825 | FARP *fp; |
2826 | uint8_t *pcmd; | |
2827 | uint32_t *lp; | |
2828 | uint16_t cmdsize; | |
2829 | struct lpfc_nodelist *ondlp; | |
2830 | struct lpfc_nodelist *ndlp; | |
2831 | ||
92d7f7b0 | 2832 | cmdsize = (sizeof(uint32_t) + sizeof(FARP)); |
dea3101e | 2833 | |
e47c9093 JS |
2834 | ndlp = lpfc_findnode_did(vport, nportid); |
2835 | if (!ndlp) { | |
2836 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
2837 | if (!ndlp) | |
2838 | return 1; | |
2839 | lpfc_nlp_init(vport, ndlp, nportid); | |
2840 | lpfc_enqueue_node(vport, ndlp); | |
2841 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
2842 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
2843 | if (!ndlp) | |
2844 | return 1; | |
2845 | } | |
2e0fef85 JS |
2846 | |
2847 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, | |
2848 | ndlp->nlp_DID, ELS_CMD_RNID); | |
488d1469 | 2849 | if (!elsiocb) { |
fa4066b6 JS |
2850 | /* This will trigger the release of the node just |
2851 | * allocated | |
2852 | */ | |
329f9bc7 | 2853 | lpfc_nlp_put(ndlp); |
c9f8735b | 2854 | return 1; |
dea3101e | 2855 | } |
2856 | ||
dea3101e | 2857 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2858 | ||
2859 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; | |
92d7f7b0 | 2860 | pcmd += sizeof(uint32_t); |
dea3101e | 2861 | |
2862 | /* Fill in FARPR payload */ | |
2863 | fp = (FARP *) (pcmd); | |
92d7f7b0 | 2864 | memset(fp, 0, sizeof(FARP)); |
dea3101e | 2865 | lp = (uint32_t *) pcmd; |
2866 | *lp++ = be32_to_cpu(nportid); | |
2e0fef85 | 2867 | *lp++ = be32_to_cpu(vport->fc_myDID); |
dea3101e | 2868 | fp->Rflags = 0; |
2869 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); | |
2870 | ||
92d7f7b0 JS |
2871 | memcpy(&fp->RportName, &vport->fc_portname, sizeof(struct lpfc_name)); |
2872 | memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 | 2873 | ondlp = lpfc_findnode_did(vport, nportid); |
e47c9093 | 2874 | if (ondlp && NLP_CHK_NODE_ACT(ondlp)) { |
dea3101e | 2875 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
92d7f7b0 | 2876 | sizeof(struct lpfc_name)); |
dea3101e | 2877 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, |
92d7f7b0 | 2878 | sizeof(struct lpfc_name)); |
dea3101e | 2879 | } |
2880 | ||
858c9f6c JS |
2881 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
2882 | "Issue FARPR: did:x%x", | |
2883 | ndlp->nlp_DID, 0, 0); | |
2884 | ||
dea3101e | 2885 | phba->fc_stat.elsXmitFARPR++; |
2886 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
3772a991 JS |
2887 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == |
2888 | IOCB_ERROR) { | |
fa4066b6 JS |
2889 | /* The additional lpfc_nlp_put will cause the following |
2890 | * lpfc_els_free_iocb routine to trigger the release of | |
2891 | * the node. | |
2892 | */ | |
329f9bc7 | 2893 | lpfc_nlp_put(ndlp); |
dea3101e | 2894 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 2895 | return 1; |
dea3101e | 2896 | } |
fa4066b6 JS |
2897 | /* This will cause the callback-function lpfc_cmpl_els_cmd to |
2898 | * trigger the release of the node. | |
2899 | */ | |
329f9bc7 | 2900 | lpfc_nlp_put(ndlp); |
c9f8735b | 2901 | return 0; |
dea3101e | 2902 | } |
2903 | ||
e59058c4 | 2904 | /** |
3621a710 | 2905 | * lpfc_cancel_retry_delay_tmo - Cancel the timer with delayed iocb-cmd retry |
e59058c4 JS |
2906 | * @vport: pointer to a host virtual N_Port data structure. |
2907 | * @nlp: pointer to a node-list data structure. | |
2908 | * | |
2909 | * This routine cancels the timer with a delayed IOCB-command retry for | |
2910 | * a @vport's @ndlp. It stops the timer for the delayed function retrial and | |
2911 | * removes the ELS retry event if it presents. In addition, if the | |
2912 | * NLP_NPR_2B_DISC bit is set in the @nlp's nlp_flag bitmap, ADISC IOCB | |
2913 | * commands are sent for the @vport's nodes that require issuing discovery | |
2914 | * ADISC. | |
2915 | **/ | |
fdcebe28 | 2916 | void |
2e0fef85 | 2917 | lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) |
fdcebe28 | 2918 | { |
2e0fef85 | 2919 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
e47c9093 | 2920 | struct lpfc_work_evt *evtp; |
2e0fef85 | 2921 | |
0d2b6b83 JS |
2922 | if (!(nlp->nlp_flag & NLP_DELAY_TMO)) |
2923 | return; | |
2e0fef85 | 2924 | spin_lock_irq(shost->host_lock); |
fdcebe28 | 2925 | nlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 2926 | spin_unlock_irq(shost->host_lock); |
fdcebe28 JS |
2927 | del_timer_sync(&nlp->nlp_delayfunc); |
2928 | nlp->nlp_last_elscmd = 0; | |
e47c9093 | 2929 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) { |
fdcebe28 | 2930 | list_del_init(&nlp->els_retry_evt.evt_listp); |
e47c9093 JS |
2931 | /* Decrement nlp reference count held for the delayed retry */ |
2932 | evtp = &nlp->els_retry_evt; | |
2933 | lpfc_nlp_put((struct lpfc_nodelist *)evtp->evt_arg1); | |
2934 | } | |
fdcebe28 | 2935 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { |
2e0fef85 | 2936 | spin_lock_irq(shost->host_lock); |
fdcebe28 | 2937 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
2e0fef85 JS |
2938 | spin_unlock_irq(shost->host_lock); |
2939 | if (vport->num_disc_nodes) { | |
0d2b6b83 JS |
2940 | if (vport->port_state < LPFC_VPORT_READY) { |
2941 | /* Check if there are more ADISCs to be sent */ | |
2942 | lpfc_more_adisc(vport); | |
0d2b6b83 JS |
2943 | } else { |
2944 | /* Check if there are more PLOGIs to be sent */ | |
2945 | lpfc_more_plogi(vport); | |
90160e01 JS |
2946 | if (vport->num_disc_nodes == 0) { |
2947 | spin_lock_irq(shost->host_lock); | |
2948 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
2949 | spin_unlock_irq(shost->host_lock); | |
2950 | lpfc_can_disctmo(vport); | |
2951 | lpfc_end_rscn(vport); | |
2952 | } | |
fdcebe28 JS |
2953 | } |
2954 | } | |
2955 | } | |
2956 | return; | |
2957 | } | |
2958 | ||
e59058c4 | 2959 | /** |
3621a710 | 2960 | * lpfc_els_retry_delay - Timer function with a ndlp delayed function timer |
e59058c4 JS |
2961 | * @ptr: holder for the pointer to the timer function associated data (ndlp). |
2962 | * | |
2963 | * This routine is invoked by the ndlp delayed-function timer to check | |
2964 | * whether there is any pending ELS retry event(s) with the node. If not, it | |
2965 | * simply returns. Otherwise, if there is at least one ELS delayed event, it | |
2966 | * adds the delayed events to the HBA work list and invokes the | |
2967 | * lpfc_worker_wake_up() routine to wake up worker thread to process the | |
2968 | * event. Note that lpfc_nlp_get() is called before posting the event to | |
2969 | * the work list to hold reference count of ndlp so that it guarantees the | |
2970 | * reference to ndlp will still be available when the worker thread gets | |
2971 | * to the event associated with the ndlp. | |
2972 | **/ | |
dea3101e | 2973 | void |
2974 | lpfc_els_retry_delay(unsigned long ptr) | |
2975 | { | |
2e0fef85 JS |
2976 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; |
2977 | struct lpfc_vport *vport = ndlp->vport; | |
2e0fef85 | 2978 | struct lpfc_hba *phba = vport->phba; |
92d7f7b0 | 2979 | unsigned long flags; |
2e0fef85 | 2980 | struct lpfc_work_evt *evtp = &ndlp->els_retry_evt; |
dea3101e | 2981 | |
92d7f7b0 | 2982 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 2983 | if (!list_empty(&evtp->evt_listp)) { |
92d7f7b0 | 2984 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 2985 | return; |
2986 | } | |
2987 | ||
fa4066b6 JS |
2988 | /* We need to hold the node by incrementing the reference |
2989 | * count until the queued work is done | |
2990 | */ | |
2991 | evtp->evt_arg1 = lpfc_nlp_get(ndlp); | |
5e9d9b82 JS |
2992 | if (evtp->evt_arg1) { |
2993 | evtp->evt = LPFC_EVT_ELS_RETRY; | |
2994 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
92d7f7b0 | 2995 | lpfc_worker_wake_up(phba); |
5e9d9b82 | 2996 | } |
92d7f7b0 | 2997 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 2998 | return; |
2999 | } | |
3000 | ||
e59058c4 | 3001 | /** |
3621a710 | 3002 | * lpfc_els_retry_delay_handler - Work thread handler for ndlp delayed function |
e59058c4 JS |
3003 | * @ndlp: pointer to a node-list data structure. |
3004 | * | |
3005 | * This routine is the worker-thread handler for processing the @ndlp delayed | |
3006 | * event(s), posted by the lpfc_els_retry_delay() routine. It simply retrieves | |
3007 | * the last ELS command from the associated ndlp and invokes the proper ELS | |
3008 | * function according to the delayed ELS command to retry the command. | |
3009 | **/ | |
dea3101e | 3010 | void |
3011 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) | |
3012 | { | |
2e0fef85 JS |
3013 | struct lpfc_vport *vport = ndlp->vport; |
3014 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
eb016566 | 3015 | uint32_t cmd, retry; |
dea3101e | 3016 | |
2e0fef85 | 3017 | spin_lock_irq(shost->host_lock); |
5024ab17 JW |
3018 | cmd = ndlp->nlp_last_elscmd; |
3019 | ndlp->nlp_last_elscmd = 0; | |
dea3101e | 3020 | |
3021 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2e0fef85 | 3022 | spin_unlock_irq(shost->host_lock); |
dea3101e | 3023 | return; |
3024 | } | |
3025 | ||
3026 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
2e0fef85 | 3027 | spin_unlock_irq(shost->host_lock); |
1a169689 JS |
3028 | /* |
3029 | * If a discovery event readded nlp_delayfunc after timer | |
3030 | * firing and before processing the timer, cancel the | |
3031 | * nlp_delayfunc. | |
3032 | */ | |
3033 | del_timer_sync(&ndlp->nlp_delayfunc); | |
dea3101e | 3034 | retry = ndlp->nlp_retry; |
4d9ab994 | 3035 | ndlp->nlp_retry = 0; |
dea3101e | 3036 | |
3037 | switch (cmd) { | |
3038 | case ELS_CMD_FLOGI: | |
2e0fef85 | 3039 | lpfc_issue_els_flogi(vport, ndlp, retry); |
dea3101e | 3040 | break; |
3041 | case ELS_CMD_PLOGI: | |
2e0fef85 | 3042 | if (!lpfc_issue_els_plogi(vport, ndlp->nlp_DID, retry)) { |
5024ab17 | 3043 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 3044 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
6ad42535 | 3045 | } |
dea3101e | 3046 | break; |
3047 | case ELS_CMD_ADISC: | |
2e0fef85 | 3048 | if (!lpfc_issue_els_adisc(vport, ndlp, retry)) { |
5024ab17 | 3049 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 3050 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
6ad42535 | 3051 | } |
dea3101e | 3052 | break; |
3053 | case ELS_CMD_PRLI: | |
2e0fef85 | 3054 | if (!lpfc_issue_els_prli(vport, ndlp, retry)) { |
5024ab17 | 3055 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 3056 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
6ad42535 | 3057 | } |
dea3101e | 3058 | break; |
3059 | case ELS_CMD_LOGO: | |
2e0fef85 | 3060 | if (!lpfc_issue_els_logo(vport, ndlp, retry)) { |
5024ab17 | 3061 | ndlp->nlp_prev_state = ndlp->nlp_state; |
086a345f | 3062 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_LOGO_ISSUE); |
6ad42535 | 3063 | } |
dea3101e | 3064 | break; |
92d7f7b0 | 3065 | case ELS_CMD_FDISC: |
fedd3b7b JS |
3066 | if (!(vport->fc_flag & FC_VPORT_NEEDS_INIT_VPI)) |
3067 | lpfc_issue_els_fdisc(vport, ndlp, retry); | |
92d7f7b0 | 3068 | break; |
dea3101e | 3069 | } |
3070 | return; | |
3071 | } | |
3072 | ||
e59058c4 | 3073 | /** |
3621a710 | 3074 | * lpfc_els_retry - Make retry decision on an els command iocb |
e59058c4 JS |
3075 | * @phba: pointer to lpfc hba data structure. |
3076 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
3077 | * @rspiocb: pointer to lpfc response iocb data structure. | |
3078 | * | |
3079 | * This routine makes a retry decision on an ELS command IOCB, which has | |
3080 | * failed. The following ELS IOCBs use this function for retrying the command | |
3081 | * when previously issued command responsed with error status: FLOGI, PLOGI, | |
3082 | * PRLI, ADISC, LOGO, and FDISC. Based on the ELS command type and the | |
3083 | * returned error status, it makes the decision whether a retry shall be | |
3084 | * issued for the command, and whether a retry shall be made immediately or | |
3085 | * delayed. In the former case, the corresponding ELS command issuing-function | |
3086 | * is called to retry the command. In the later case, the ELS command shall | |
3087 | * be posted to the ndlp delayed event and delayed function timer set to the | |
3088 | * ndlp for the delayed command issusing. | |
3089 | * | |
3090 | * Return code | |
3091 | * 0 - No retry of els command is made | |
3092 | * 1 - Immediate or delayed retry of els command is made | |
3093 | **/ | |
dea3101e | 3094 | static int |
2e0fef85 JS |
3095 | lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
3096 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 3097 | { |
2e0fef85 JS |
3098 | struct lpfc_vport *vport = cmdiocb->vport; |
3099 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
3100 | IOCB_t *irsp = &rspiocb->iocb; | |
3101 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
3102 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
dea3101e | 3103 | uint32_t *elscmd; |
3104 | struct ls_rjt stat; | |
2e0fef85 | 3105 | int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; |
98c9ea5c | 3106 | int logerr = 0; |
2e0fef85 | 3107 | uint32_t cmd = 0; |
488d1469 | 3108 | uint32_t did; |
dea3101e | 3109 | |
488d1469 | 3110 | |
dea3101e | 3111 | /* Note: context2 may be 0 for internal driver abort |
3112 | * of delays ELS command. | |
3113 | */ | |
3114 | ||
3115 | if (pcmd && pcmd->virt) { | |
3116 | elscmd = (uint32_t *) (pcmd->virt); | |
3117 | cmd = *elscmd++; | |
3118 | } | |
3119 | ||
e47c9093 | 3120 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
488d1469 JS |
3121 | did = ndlp->nlp_DID; |
3122 | else { | |
3123 | /* We should only hit this case for retrying PLOGI */ | |
3124 | did = irsp->un.elsreq64.remoteID; | |
2e0fef85 | 3125 | ndlp = lpfc_findnode_did(vport, did); |
e47c9093 JS |
3126 | if ((!ndlp || !NLP_CHK_NODE_ACT(ndlp)) |
3127 | && (cmd != ELS_CMD_PLOGI)) | |
488d1469 JS |
3128 | return 1; |
3129 | } | |
3130 | ||
858c9f6c JS |
3131 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
3132 | "Retry ELS: wd7:x%x wd4:x%x did:x%x", | |
3133 | *(((uint32_t *) irsp) + 7), irsp->un.ulpWord[4], ndlp->nlp_DID); | |
3134 | ||
dea3101e | 3135 | switch (irsp->ulpStatus) { |
3136 | case IOSTAT_FCP_RSP_ERROR: | |
1151e3ec | 3137 | break; |
dea3101e | 3138 | case IOSTAT_REMOTE_STOP: |
1151e3ec JS |
3139 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3140 | /* This IO was aborted by the target, we don't | |
3141 | * know the rxid and because we did not send the | |
3142 | * ABTS we cannot generate and RRQ. | |
3143 | */ | |
3144 | lpfc_set_rrq_active(phba, ndlp, | |
ee0f4fe1 | 3145 | cmdiocb->sli4_lxritag, 0, 0); |
1151e3ec | 3146 | } |
dea3101e | 3147 | break; |
dea3101e | 3148 | case IOSTAT_LOCAL_REJECT: |
e3d2b802 | 3149 | switch ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK)) { |
dea3101e | 3150 | case IOERR_LOOP_OPEN_FAILURE: |
eaf15d5b JS |
3151 | if (cmd == ELS_CMD_FLOGI) { |
3152 | if (PCI_DEVICE_ID_HORNET == | |
3153 | phba->pcidev->device) { | |
76a95d75 | 3154 | phba->fc_topology = LPFC_TOPOLOGY_LOOP; |
eaf15d5b JS |
3155 | phba->pport->fc_myDID = 0; |
3156 | phba->alpa_map[0] = 0; | |
3157 | phba->alpa_map[1] = 0; | |
3158 | } | |
3159 | } | |
2e0fef85 | 3160 | if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0) |
92d7f7b0 | 3161 | delay = 1000; |
dea3101e | 3162 | retry = 1; |
3163 | break; | |
3164 | ||
92d7f7b0 | 3165 | case IOERR_ILLEGAL_COMMAND: |
7f5f3d0d JS |
3166 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3167 | "0124 Retry illegal cmd x%x " | |
3168 | "retry:x%x delay:x%x\n", | |
3169 | cmd, cmdiocb->retry, delay); | |
3170 | retry = 1; | |
3171 | /* All command's retry policy */ | |
3172 | maxretry = 8; | |
3173 | if (cmdiocb->retry > 2) | |
3174 | delay = 1000; | |
92d7f7b0 JS |
3175 | break; |
3176 | ||
dea3101e | 3177 | case IOERR_NO_RESOURCES: |
98c9ea5c | 3178 | logerr = 1; /* HBA out of resources */ |
858c9f6c JS |
3179 | retry = 1; |
3180 | if (cmdiocb->retry > 100) | |
3181 | delay = 100; | |
3182 | maxretry = 250; | |
3183 | break; | |
3184 | ||
3185 | case IOERR_ILLEGAL_FRAME: | |
92d7f7b0 | 3186 | delay = 100; |
dea3101e | 3187 | retry = 1; |
3188 | break; | |
3189 | ||
858c9f6c | 3190 | case IOERR_SEQUENCE_TIMEOUT: |
dea3101e | 3191 | case IOERR_INVALID_RPI: |
5b5b36a9 JS |
3192 | if (cmd == ELS_CMD_PLOGI && |
3193 | did == NameServer_DID) { | |
3194 | /* Continue forever if plogi to */ | |
3195 | /* the nameserver fails */ | |
3196 | maxretry = 0; | |
3197 | delay = 100; | |
3198 | } | |
dea3101e | 3199 | retry = 1; |
3200 | break; | |
3201 | } | |
3202 | break; | |
3203 | ||
3204 | case IOSTAT_NPORT_RJT: | |
3205 | case IOSTAT_FABRIC_RJT: | |
3206 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
3207 | retry = 1; | |
3208 | break; | |
3209 | } | |
3210 | break; | |
3211 | ||
3212 | case IOSTAT_NPORT_BSY: | |
3213 | case IOSTAT_FABRIC_BSY: | |
98c9ea5c | 3214 | logerr = 1; /* Fabric / Remote NPort out of resources */ |
dea3101e | 3215 | retry = 1; |
3216 | break; | |
3217 | ||
3218 | case IOSTAT_LS_RJT: | |
3219 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); | |
3220 | /* Added for Vendor specifc support | |
3221 | * Just keep retrying for these Rsn / Exp codes | |
3222 | */ | |
3223 | switch (stat.un.b.lsRjtRsnCode) { | |
3224 | case LSRJT_UNABLE_TPC: | |
3225 | if (stat.un.b.lsRjtRsnCodeExp == | |
3226 | LSEXP_CMD_IN_PROGRESS) { | |
3227 | if (cmd == ELS_CMD_PLOGI) { | |
92d7f7b0 | 3228 | delay = 1000; |
dea3101e | 3229 | maxretry = 48; |
3230 | } | |
3231 | retry = 1; | |
3232 | break; | |
3233 | } | |
ffc95493 JS |
3234 | if (stat.un.b.lsRjtRsnCodeExp == |
3235 | LSEXP_CANT_GIVE_DATA) { | |
3236 | if (cmd == ELS_CMD_PLOGI) { | |
3237 | delay = 1000; | |
3238 | maxretry = 48; | |
3239 | } | |
3240 | retry = 1; | |
3241 | break; | |
3242 | } | |
4c1b64ba JS |
3243 | if ((cmd == ELS_CMD_PLOGI) || |
3244 | (cmd == ELS_CMD_PRLI)) { | |
92d7f7b0 | 3245 | delay = 1000; |
dea3101e | 3246 | maxretry = lpfc_max_els_tries + 1; |
3247 | retry = 1; | |
3248 | break; | |
3249 | } | |
92d7f7b0 JS |
3250 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
3251 | (cmd == ELS_CMD_FDISC) && | |
3252 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_OUT_OF_RESOURCE)){ | |
e8b62011 JS |
3253 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
3254 | "0125 FDISC Failed (x%x). " | |
3255 | "Fabric out of resources\n", | |
3256 | stat.un.lsRjtError); | |
92d7f7b0 JS |
3257 | lpfc_vport_set_state(vport, |
3258 | FC_VPORT_NO_FABRIC_RSCS); | |
3259 | } | |
dea3101e | 3260 | break; |
3261 | ||
3262 | case LSRJT_LOGICAL_BSY: | |
858c9f6c JS |
3263 | if ((cmd == ELS_CMD_PLOGI) || |
3264 | (cmd == ELS_CMD_PRLI)) { | |
92d7f7b0 | 3265 | delay = 1000; |
dea3101e | 3266 | maxretry = 48; |
92d7f7b0 | 3267 | } else if (cmd == ELS_CMD_FDISC) { |
51ef4c26 JS |
3268 | /* FDISC retry policy */ |
3269 | maxretry = 48; | |
3270 | if (cmdiocb->retry >= 32) | |
3271 | delay = 1000; | |
dea3101e | 3272 | } |
3273 | retry = 1; | |
3274 | break; | |
92d7f7b0 JS |
3275 | |
3276 | case LSRJT_LOGICAL_ERR: | |
7f5f3d0d JS |
3277 | /* There are some cases where switches return this |
3278 | * error when they are not ready and should be returning | |
3279 | * Logical Busy. We should delay every time. | |
3280 | */ | |
3281 | if (cmd == ELS_CMD_FDISC && | |
3282 | stat.un.b.lsRjtRsnCodeExp == LSEXP_PORT_LOGIN_REQ) { | |
3283 | maxretry = 3; | |
3284 | delay = 1000; | |
3285 | retry = 1; | |
3286 | break; | |
3287 | } | |
92d7f7b0 JS |
3288 | case LSRJT_PROTOCOL_ERR: |
3289 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
3290 | (cmd == ELS_CMD_FDISC) && | |
3291 | ((stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_PNAME) || | |
3292 | (stat.un.b.lsRjtRsnCodeExp == LSEXP_INVALID_NPORT_ID)) | |
3293 | ) { | |
e8b62011 | 3294 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
d7c255b2 | 3295 | "0122 FDISC Failed (x%x). " |
e8b62011 JS |
3296 | "Fabric Detected Bad WWN\n", |
3297 | stat.un.lsRjtError); | |
92d7f7b0 JS |
3298 | lpfc_vport_set_state(vport, |
3299 | FC_VPORT_FABRIC_REJ_WWN); | |
3300 | } | |
3301 | break; | |
dea3101e | 3302 | } |
3303 | break; | |
3304 | ||
3305 | case IOSTAT_INTERMED_RSP: | |
3306 | case IOSTAT_BA_RJT: | |
3307 | break; | |
3308 | ||
3309 | default: | |
3310 | break; | |
3311 | } | |
3312 | ||
488d1469 | 3313 | if (did == FDMI_DID) |
dea3101e | 3314 | retry = 1; |
dea3101e | 3315 | |
df9e1b59 | 3316 | if ((cmd == ELS_CMD_FLOGI) && |
76a95d75 | 3317 | (phba->fc_topology != LPFC_TOPOLOGY_LOOP) && |
1b32f6aa | 3318 | !lpfc_error_lost_link(irsp)) { |
98c9ea5c JS |
3319 | /* FLOGI retry policy */ |
3320 | retry = 1; | |
df9e1b59 | 3321 | /* retry FLOGI forever */ |
6eae4303 JS |
3322 | if (phba->link_flag != LS_LOOPBACK_MODE) |
3323 | maxretry = 0; | |
3324 | else | |
3325 | maxretry = 2; | |
3326 | ||
6669f9bb JS |
3327 | if (cmdiocb->retry >= 100) |
3328 | delay = 5000; | |
3329 | else if (cmdiocb->retry >= 32) | |
98c9ea5c | 3330 | delay = 1000; |
df9e1b59 JS |
3331 | } else if ((cmd == ELS_CMD_FDISC) && !lpfc_error_lost_link(irsp)) { |
3332 | /* retry FDISCs every second up to devloss */ | |
3333 | retry = 1; | |
3334 | maxretry = vport->cfg_devloss_tmo; | |
3335 | delay = 1000; | |
98c9ea5c JS |
3336 | } |
3337 | ||
6669f9bb JS |
3338 | cmdiocb->retry++; |
3339 | if (maxretry && (cmdiocb->retry >= maxretry)) { | |
dea3101e | 3340 | phba->fc_stat.elsRetryExceeded++; |
3341 | retry = 0; | |
3342 | } | |
3343 | ||
ed957684 JS |
3344 | if ((vport->load_flag & FC_UNLOADING) != 0) |
3345 | retry = 0; | |
3346 | ||
dea3101e | 3347 | if (retry) { |
38b92ef8 JS |
3348 | if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_FDISC)) { |
3349 | /* Stop retrying PLOGI and FDISC if in FCF discovery */ | |
3350 | if (phba->fcf.fcf_flag & FCF_DISCOVERY) { | |
3351 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
3352 | "2849 Stop retry ELS command " | |
3353 | "x%x to remote NPORT x%x, " | |
3354 | "Data: x%x x%x\n", cmd, did, | |
3355 | cmdiocb->retry, delay); | |
3356 | return 0; | |
3357 | } | |
3358 | } | |
dea3101e | 3359 | |
3360 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ | |
e8b62011 JS |
3361 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3362 | "0107 Retry ELS command x%x to remote " | |
3363 | "NPORT x%x Data: x%x x%x\n", | |
3364 | cmd, did, cmdiocb->retry, delay); | |
dea3101e | 3365 | |
858c9f6c JS |
3366 | if (((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) && |
3367 | ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || | |
e3d2b802 JS |
3368 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) != |
3369 | IOERR_NO_RESOURCES))) { | |
858c9f6c JS |
3370 | /* Don't reset timer for no resources */ |
3371 | ||
dea3101e | 3372 | /* If discovery / RSCN timer is running, reset it */ |
2e0fef85 | 3373 | if (timer_pending(&vport->fc_disctmo) || |
92d7f7b0 | 3374 | (vport->fc_flag & FC_RSCN_MODE)) |
2e0fef85 | 3375 | lpfc_set_disctmo(vport); |
dea3101e | 3376 | } |
3377 | ||
3378 | phba->fc_stat.elsXmitRetry++; | |
58da1ffb | 3379 | if (ndlp && NLP_CHK_NODE_ACT(ndlp) && delay) { |
dea3101e | 3380 | phba->fc_stat.elsDelayRetry++; |
3381 | ndlp->nlp_retry = cmdiocb->retry; | |
3382 | ||
92d7f7b0 JS |
3383 | /* delay is specified in milliseconds */ |
3384 | mod_timer(&ndlp->nlp_delayfunc, | |
3385 | jiffies + msecs_to_jiffies(delay)); | |
2e0fef85 | 3386 | spin_lock_irq(shost->host_lock); |
dea3101e | 3387 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 3388 | spin_unlock_irq(shost->host_lock); |
dea3101e | 3389 | |
5024ab17 | 3390 | ndlp->nlp_prev_state = ndlp->nlp_state; |
858c9f6c JS |
3391 | if (cmd == ELS_CMD_PRLI) |
3392 | lpfc_nlp_set_state(vport, ndlp, | |
4c1b64ba | 3393 | NLP_STE_PRLI_ISSUE); |
858c9f6c JS |
3394 | else |
3395 | lpfc_nlp_set_state(vport, ndlp, | |
3396 | NLP_STE_NPR_NODE); | |
dea3101e | 3397 | ndlp->nlp_last_elscmd = cmd; |
3398 | ||
c9f8735b | 3399 | return 1; |
dea3101e | 3400 | } |
3401 | switch (cmd) { | |
3402 | case ELS_CMD_FLOGI: | |
2e0fef85 | 3403 | lpfc_issue_els_flogi(vport, ndlp, cmdiocb->retry); |
c9f8735b | 3404 | return 1; |
92d7f7b0 JS |
3405 | case ELS_CMD_FDISC: |
3406 | lpfc_issue_els_fdisc(vport, ndlp, cmdiocb->retry); | |
3407 | return 1; | |
dea3101e | 3408 | case ELS_CMD_PLOGI: |
58da1ffb | 3409 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { |
488d1469 | 3410 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 3411 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3412 | NLP_STE_PLOGI_ISSUE); |
488d1469 | 3413 | } |
2e0fef85 | 3414 | lpfc_issue_els_plogi(vport, did, cmdiocb->retry); |
c9f8735b | 3415 | return 1; |
dea3101e | 3416 | case ELS_CMD_ADISC: |
5024ab17 | 3417 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
3418 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
3419 | lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 3420 | return 1; |
dea3101e | 3421 | case ELS_CMD_PRLI: |
5024ab17 | 3422 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
3423 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
3424 | lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 3425 | return 1; |
dea3101e | 3426 | case ELS_CMD_LOGO: |
5024ab17 | 3427 | ndlp->nlp_prev_state = ndlp->nlp_state; |
086a345f | 3428 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_LOGO_ISSUE); |
2e0fef85 | 3429 | lpfc_issue_els_logo(vport, ndlp, cmdiocb->retry); |
c9f8735b | 3430 | return 1; |
dea3101e | 3431 | } |
3432 | } | |
dea3101e | 3433 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ |
98c9ea5c JS |
3434 | if (logerr) { |
3435 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
3436 | "0137 No retry ELS command x%x to remote " | |
3437 | "NPORT x%x: Out of Resources: Error:x%x/%x\n", | |
3438 | cmd, did, irsp->ulpStatus, | |
3439 | irsp->un.ulpWord[4]); | |
3440 | } | |
3441 | else { | |
3442 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
a58cbd52 JS |
3443 | "0108 No retry ELS command x%x to remote " |
3444 | "NPORT x%x Retried:%d Error:x%x/%x\n", | |
3445 | cmd, did, cmdiocb->retry, irsp->ulpStatus, | |
3446 | irsp->un.ulpWord[4]); | |
98c9ea5c | 3447 | } |
c9f8735b | 3448 | return 0; |
dea3101e | 3449 | } |
3450 | ||
e59058c4 | 3451 | /** |
3621a710 | 3452 | * lpfc_els_free_data - Free lpfc dma buffer and data structure with an iocb |
e59058c4 JS |
3453 | * @phba: pointer to lpfc hba data structure. |
3454 | * @buf_ptr1: pointer to the lpfc DMA buffer data structure. | |
3455 | * | |
3456 | * This routine releases the lpfc DMA (Direct Memory Access) buffer(s) | |
3457 | * associated with a command IOCB back to the lpfc DMA buffer pool. It first | |
3458 | * checks to see whether there is a lpfc DMA buffer associated with the | |
3459 | * response of the command IOCB. If so, it will be released before releasing | |
3460 | * the lpfc DMA buffer associated with the IOCB itself. | |
3461 | * | |
3462 | * Return code | |
3463 | * 0 - Successfully released lpfc DMA buffer (currently, always return 0) | |
3464 | **/ | |
09372820 | 3465 | static int |
87af33fe JS |
3466 | lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) |
3467 | { | |
3468 | struct lpfc_dmabuf *buf_ptr; | |
3469 | ||
e59058c4 | 3470 | /* Free the response before processing the command. */ |
87af33fe JS |
3471 | if (!list_empty(&buf_ptr1->list)) { |
3472 | list_remove_head(&buf_ptr1->list, buf_ptr, | |
3473 | struct lpfc_dmabuf, | |
3474 | list); | |
3475 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
3476 | kfree(buf_ptr); | |
3477 | } | |
3478 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); | |
3479 | kfree(buf_ptr1); | |
3480 | return 0; | |
3481 | } | |
3482 | ||
e59058c4 | 3483 | /** |
3621a710 | 3484 | * lpfc_els_free_bpl - Free lpfc dma buffer and data structure with bpl |
e59058c4 JS |
3485 | * @phba: pointer to lpfc hba data structure. |
3486 | * @buf_ptr: pointer to the lpfc dma buffer data structure. | |
3487 | * | |
3488 | * This routine releases the lpfc Direct Memory Access (DMA) buffer | |
3489 | * associated with a Buffer Pointer List (BPL) back to the lpfc DMA buffer | |
3490 | * pool. | |
3491 | * | |
3492 | * Return code | |
3493 | * 0 - Successfully released lpfc DMA buffer (currently, always return 0) | |
3494 | **/ | |
09372820 | 3495 | static int |
87af33fe JS |
3496 | lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) |
3497 | { | |
3498 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
3499 | kfree(buf_ptr); | |
3500 | return 0; | |
3501 | } | |
3502 | ||
e59058c4 | 3503 | /** |
3621a710 | 3504 | * lpfc_els_free_iocb - Free a command iocb and its associated resources |
e59058c4 JS |
3505 | * @phba: pointer to lpfc hba data structure. |
3506 | * @elsiocb: pointer to lpfc els command iocb data structure. | |
3507 | * | |
3508 | * This routine frees a command IOCB and its associated resources. The | |
3509 | * command IOCB data structure contains the reference to various associated | |
3510 | * resources, these fields must be set to NULL if the associated reference | |
3511 | * not present: | |
3512 | * context1 - reference to ndlp | |
3513 | * context2 - reference to cmd | |
3514 | * context2->next - reference to rsp | |
3515 | * context3 - reference to bpl | |
3516 | * | |
3517 | * It first properly decrements the reference count held on ndlp for the | |
3518 | * IOCB completion callback function. If LPFC_DELAY_MEM_FREE flag is not | |
3519 | * set, it invokes the lpfc_els_free_data() routine to release the Direct | |
3520 | * Memory Access (DMA) buffers associated with the IOCB. Otherwise, it | |
3521 | * adds the DMA buffer the @phba data structure for the delayed release. | |
3522 | * If reference to the Buffer Pointer List (BPL) is present, the | |
3523 | * lpfc_els_free_bpl() routine is invoked to release the DMA memory | |
3524 | * associated with BPL. Finally, the lpfc_sli_release_iocbq() routine is | |
3525 | * invoked to release the IOCB data structure back to @phba IOCBQ list. | |
3526 | * | |
3527 | * Return code | |
3528 | * 0 - Success (currently, always return 0) | |
3529 | **/ | |
dea3101e | 3530 | int |
329f9bc7 | 3531 | lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) |
dea3101e | 3532 | { |
3533 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; | |
a8adb832 JS |
3534 | struct lpfc_nodelist *ndlp; |
3535 | ||
3536 | ndlp = (struct lpfc_nodelist *)elsiocb->context1; | |
3537 | if (ndlp) { | |
3538 | if (ndlp->nlp_flag & NLP_DEFER_RM) { | |
3539 | lpfc_nlp_put(ndlp); | |
dea3101e | 3540 | |
a8adb832 JS |
3541 | /* If the ndlp is not being used by another discovery |
3542 | * thread, free it. | |
3543 | */ | |
3544 | if (!lpfc_nlp_not_used(ndlp)) { | |
3545 | /* If ndlp is being used by another discovery | |
3546 | * thread, just clear NLP_DEFER_RM | |
3547 | */ | |
3548 | ndlp->nlp_flag &= ~NLP_DEFER_RM; | |
3549 | } | |
3550 | } | |
3551 | else | |
3552 | lpfc_nlp_put(ndlp); | |
329f9bc7 JS |
3553 | elsiocb->context1 = NULL; |
3554 | } | |
dea3101e | 3555 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
3556 | if (elsiocb->context2) { | |
0ff10d46 JS |
3557 | if (elsiocb->iocb_flag & LPFC_DELAY_MEM_FREE) { |
3558 | /* Firmware could still be in progress of DMAing | |
3559 | * payload, so don't free data buffer till after | |
3560 | * a hbeat. | |
3561 | */ | |
3562 | elsiocb->iocb_flag &= ~LPFC_DELAY_MEM_FREE; | |
3563 | buf_ptr = elsiocb->context2; | |
3564 | elsiocb->context2 = NULL; | |
3565 | if (buf_ptr) { | |
3566 | buf_ptr1 = NULL; | |
3567 | spin_lock_irq(&phba->hbalock); | |
3568 | if (!list_empty(&buf_ptr->list)) { | |
3569 | list_remove_head(&buf_ptr->list, | |
3570 | buf_ptr1, struct lpfc_dmabuf, | |
3571 | list); | |
3572 | INIT_LIST_HEAD(&buf_ptr1->list); | |
3573 | list_add_tail(&buf_ptr1->list, | |
3574 | &phba->elsbuf); | |
3575 | phba->elsbuf_cnt++; | |
3576 | } | |
3577 | INIT_LIST_HEAD(&buf_ptr->list); | |
3578 | list_add_tail(&buf_ptr->list, &phba->elsbuf); | |
3579 | phba->elsbuf_cnt++; | |
3580 | spin_unlock_irq(&phba->hbalock); | |
3581 | } | |
3582 | } else { | |
3583 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; | |
3584 | lpfc_els_free_data(phba, buf_ptr1); | |
3585 | } | |
dea3101e | 3586 | } |
3587 | ||
3588 | if (elsiocb->context3) { | |
3589 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; | |
87af33fe | 3590 | lpfc_els_free_bpl(phba, buf_ptr); |
dea3101e | 3591 | } |
604a3e30 | 3592 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e | 3593 | return 0; |
3594 | } | |
3595 | ||
e59058c4 | 3596 | /** |
3621a710 | 3597 | * lpfc_cmpl_els_logo_acc - Completion callback function to logo acc response |
e59058c4 JS |
3598 | * @phba: pointer to lpfc hba data structure. |
3599 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
3600 | * @rspiocb: pointer to lpfc response iocb data structure. | |
3601 | * | |
3602 | * This routine is the completion callback function to the Logout (LOGO) | |
3603 | * Accept (ACC) Response ELS command. This routine is invoked to indicate | |
3604 | * the completion of the LOGO process. It invokes the lpfc_nlp_not_used() to | |
3605 | * release the ndlp if it has the last reference remaining (reference count | |
3606 | * is 1). If succeeded (meaning ndlp released), it sets the IOCB context1 | |
3607 | * field to NULL to inform the following lpfc_els_free_iocb() routine no | |
3608 | * ndlp reference count needs to be decremented. Otherwise, the ndlp | |
3609 | * reference use-count shall be decremented by the lpfc_els_free_iocb() | |
3610 | * routine. Finally, the lpfc_els_free_iocb() is invoked to release the | |
3611 | * IOCB data structure. | |
3612 | **/ | |
dea3101e | 3613 | static void |
2e0fef85 JS |
3614 | lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
3615 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 3616 | { |
2e0fef85 JS |
3617 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
3618 | struct lpfc_vport *vport = cmdiocb->vport; | |
858c9f6c JS |
3619 | IOCB_t *irsp; |
3620 | ||
3621 | irsp = &rspiocb->iocb; | |
3622 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
3623 | "ACC LOGO cmpl: status:x%x/x%x did:x%x", | |
3624 | irsp->ulpStatus, irsp->un.ulpWord[4], ndlp->nlp_DID); | |
dea3101e | 3625 | /* ACC to LOGO completes to NPort <nlp_DID> */ |
e8b62011 JS |
3626 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3627 | "0109 ACC to LOGO completes to NPort x%x " | |
3628 | "Data: x%x x%x x%x\n", | |
3629 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
3630 | ndlp->nlp_rpi); | |
87af33fe JS |
3631 | |
3632 | if (ndlp->nlp_state == NLP_STE_NPR_NODE) { | |
3633 | /* NPort Recovery mode or node is just allocated */ | |
3634 | if (!lpfc_nlp_not_used(ndlp)) { | |
3635 | /* If the ndlp is being used by another discovery | |
3636 | * thread, just unregister the RPI. | |
3637 | */ | |
3638 | lpfc_unreg_rpi(vport, ndlp); | |
fa4066b6 JS |
3639 | } else { |
3640 | /* Indicate the node has already released, should | |
3641 | * not reference to it from within lpfc_els_free_iocb. | |
3642 | */ | |
3643 | cmdiocb->context1 = NULL; | |
87af33fe | 3644 | } |
dea3101e | 3645 | } |
73d91e50 JS |
3646 | |
3647 | /* | |
3648 | * The driver received a LOGO from the rport and has ACK'd it. | |
df9e1b59 | 3649 | * At this point, the driver is done so release the IOCB |
73d91e50 | 3650 | */ |
dea3101e | 3651 | lpfc_els_free_iocb(phba, cmdiocb); |
dea3101e | 3652 | } |
3653 | ||
e59058c4 | 3654 | /** |
3621a710 | 3655 | * lpfc_mbx_cmpl_dflt_rpi - Completion callbk func for unreg dflt rpi mbox cmd |
e59058c4 JS |
3656 | * @phba: pointer to lpfc hba data structure. |
3657 | * @pmb: pointer to the driver internal queue element for mailbox command. | |
3658 | * | |
3659 | * This routine is the completion callback function for unregister default | |
3660 | * RPI (Remote Port Index) mailbox command to the @phba. It simply releases | |
3661 | * the associated lpfc Direct Memory Access (DMA) buffer back to the pool and | |
3662 | * decrements the ndlp reference count held for this completion callback | |
3663 | * function. After that, it invokes the lpfc_nlp_not_used() to check | |
3664 | * whether there is only one reference left on the ndlp. If so, it will | |
3665 | * perform one more decrement and trigger the release of the ndlp. | |
3666 | **/ | |
858c9f6c JS |
3667 | void |
3668 | lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
3669 | { | |
3670 | struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1); | |
3671 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
3672 | ||
3673 | pmb->context1 = NULL; | |
d439d286 JS |
3674 | pmb->context2 = NULL; |
3675 | ||
858c9f6c JS |
3676 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
3677 | kfree(mp); | |
3678 | mempool_free(pmb, phba->mbox_mem_pool); | |
086a345f | 3679 | if (ndlp) { |
be6bb941 JS |
3680 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, |
3681 | "0006 rpi%x DID:%x flg:%x %d map:%x %p\n", | |
3682 | ndlp->nlp_rpi, ndlp->nlp_DID, ndlp->nlp_flag, | |
3683 | atomic_read(&ndlp->kref.refcount), | |
3684 | ndlp->nlp_usg_map, ndlp); | |
086a345f JS |
3685 | if (NLP_CHK_NODE_ACT(ndlp)) { |
3686 | lpfc_nlp_put(ndlp); | |
3687 | /* This is the end of the default RPI cleanup logic for | |
3688 | * this ndlp. If no other discovery threads are using | |
3689 | * this ndlp, free all resources associated with it. | |
3690 | */ | |
3691 | lpfc_nlp_not_used(ndlp); | |
3692 | } else { | |
3693 | lpfc_drop_node(ndlp->vport, ndlp); | |
3694 | } | |
a8adb832 | 3695 | } |
3772a991 | 3696 | |
858c9f6c JS |
3697 | return; |
3698 | } | |
3699 | ||
e59058c4 | 3700 | /** |
3621a710 | 3701 | * lpfc_cmpl_els_rsp - Completion callback function for els response iocb cmd |
e59058c4 JS |
3702 | * @phba: pointer to lpfc hba data structure. |
3703 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
3704 | * @rspiocb: pointer to lpfc response iocb data structure. | |
3705 | * | |
3706 | * This routine is the completion callback function for ELS Response IOCB | |
3707 | * command. In normal case, this callback function just properly sets the | |
3708 | * nlp_flag bitmap in the ndlp data structure, if the mbox command reference | |
3709 | * field in the command IOCB is not NULL, the referred mailbox command will | |
3710 | * be send out, and then invokes the lpfc_els_free_iocb() routine to release | |
3711 | * the IOCB. Under error conditions, such as when a LS_RJT is returned or a | |
3712 | * link down event occurred during the discovery, the lpfc_nlp_not_used() | |
3713 | * routine shall be invoked trying to release the ndlp if no other threads | |
3714 | * are currently referring it. | |
3715 | **/ | |
dea3101e | 3716 | static void |
858c9f6c | 3717 | lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
329f9bc7 | 3718 | struct lpfc_iocbq *rspiocb) |
dea3101e | 3719 | { |
2e0fef85 JS |
3720 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
3721 | struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; | |
3722 | struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; | |
87af33fe JS |
3723 | IOCB_t *irsp; |
3724 | uint8_t *pcmd; | |
dea3101e | 3725 | LPFC_MBOXQ_t *mbox = NULL; |
2e0fef85 | 3726 | struct lpfc_dmabuf *mp = NULL; |
87af33fe | 3727 | uint32_t ls_rjt = 0; |
dea3101e | 3728 | |
33ccf8d1 JS |
3729 | irsp = &rspiocb->iocb; |
3730 | ||
dea3101e | 3731 | if (cmdiocb->context_un.mbox) |
3732 | mbox = cmdiocb->context_un.mbox; | |
3733 | ||
fa4066b6 JS |
3734 | /* First determine if this is a LS_RJT cmpl. Note, this callback |
3735 | * function can have cmdiocb->contest1 (ndlp) field set to NULL. | |
3736 | */ | |
87af33fe | 3737 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt); |
58da1ffb JS |
3738 | if (ndlp && NLP_CHK_NODE_ACT(ndlp) && |
3739 | (*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT)) { | |
fa4066b6 | 3740 | /* A LS_RJT associated with Default RPI cleanup has its own |
3ad2f3fb | 3741 | * separate code path. |
87af33fe JS |
3742 | */ |
3743 | if (!(ndlp->nlp_flag & NLP_RM_DFLT_RPI)) | |
3744 | ls_rjt = 1; | |
3745 | } | |
3746 | ||
dea3101e | 3747 | /* Check to see if link went down during discovery */ |
58da1ffb | 3748 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || lpfc_els_chk_latt(vport)) { |
dea3101e | 3749 | if (mbox) { |
14691150 JS |
3750 | mp = (struct lpfc_dmabuf *) mbox->context1; |
3751 | if (mp) { | |
3752 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3753 | kfree(mp); | |
3754 | } | |
329f9bc7 | 3755 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 3756 | } |
58da1ffb JS |
3757 | if (ndlp && NLP_CHK_NODE_ACT(ndlp) && |
3758 | (ndlp->nlp_flag & NLP_RM_DFLT_RPI)) | |
fa4066b6 | 3759 | if (lpfc_nlp_not_used(ndlp)) { |
98c9ea5c | 3760 | ndlp = NULL; |
fa4066b6 JS |
3761 | /* Indicate the node has already released, |
3762 | * should not reference to it from within | |
3763 | * the routine lpfc_els_free_iocb. | |
3764 | */ | |
3765 | cmdiocb->context1 = NULL; | |
3766 | } | |
dea3101e | 3767 | goto out; |
3768 | } | |
3769 | ||
858c9f6c | 3770 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
51ef4c26 | 3771 | "ELS rsp cmpl: status:x%x/x%x did:x%x", |
858c9f6c | 3772 | irsp->ulpStatus, irsp->un.ulpWord[4], |
51ef4c26 | 3773 | cmdiocb->iocb.un.elsreq64.remoteID); |
dea3101e | 3774 | /* ELS response tag <ulpIoTag> completes */ |
e8b62011 JS |
3775 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
3776 | "0110 ELS response tag x%x completes " | |
3777 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", | |
3778 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, | |
3779 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, | |
3780 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
3781 | ndlp->nlp_rpi); | |
dea3101e | 3782 | if (mbox) { |
3783 | if ((rspiocb->iocb.ulpStatus == 0) | |
3784 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { | |
2e0fef85 | 3785 | lpfc_unreg_rpi(vport, ndlp); |
e47c9093 JS |
3786 | /* Increment reference count to ndlp to hold the |
3787 | * reference to ndlp for the callback function. | |
3788 | */ | |
329f9bc7 | 3789 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 3790 | mbox->vport = vport; |
858c9f6c JS |
3791 | if (ndlp->nlp_flag & NLP_RM_DFLT_RPI) { |
3792 | mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
3793 | mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
3794 | } | |
3795 | else { | |
3796 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; | |
3797 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
3798 | lpfc_nlp_set_state(vport, ndlp, | |
2e0fef85 | 3799 | NLP_STE_REG_LOGIN_ISSUE); |
858c9f6c | 3800 | } |
4b7789b7 JS |
3801 | |
3802 | ndlp->nlp_flag |= NLP_REG_LOGIN_SEND; | |
0b727fea | 3803 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
e47c9093 | 3804 | != MBX_NOT_FINISHED) |
dea3101e | 3805 | goto out; |
4b7789b7 JS |
3806 | |
3807 | /* Decrement the ndlp reference count we | |
3808 | * set for this failed mailbox command. | |
3809 | */ | |
3810 | lpfc_nlp_put(ndlp); | |
3811 | ndlp->nlp_flag &= ~NLP_REG_LOGIN_SEND; | |
98c9ea5c JS |
3812 | |
3813 | /* ELS rsp: Cannot issue reg_login for <NPortid> */ | |
3814 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
3815 | "0138 ELS rsp: Cannot issue reg_login for x%x " | |
3816 | "Data: x%x x%x x%x\n", | |
3817 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
3818 | ndlp->nlp_rpi); | |
3819 | ||
fa4066b6 | 3820 | if (lpfc_nlp_not_used(ndlp)) { |
98c9ea5c | 3821 | ndlp = NULL; |
fa4066b6 JS |
3822 | /* Indicate node has already been released, |
3823 | * should not reference to it from within | |
3824 | * the routine lpfc_els_free_iocb. | |
3825 | */ | |
3826 | cmdiocb->context1 = NULL; | |
3827 | } | |
dea3101e | 3828 | } else { |
858c9f6c JS |
3829 | /* Do not drop node for lpfc_els_abort'ed ELS cmds */ |
3830 | if (!lpfc_error_lost_link(irsp) && | |
3831 | ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
fa4066b6 | 3832 | if (lpfc_nlp_not_used(ndlp)) { |
98c9ea5c | 3833 | ndlp = NULL; |
fa4066b6 JS |
3834 | /* Indicate node has already been |
3835 | * released, should not reference | |
3836 | * to it from within the routine | |
3837 | * lpfc_els_free_iocb. | |
3838 | */ | |
3839 | cmdiocb->context1 = NULL; | |
3840 | } | |
dea3101e | 3841 | } |
3842 | } | |
14691150 JS |
3843 | mp = (struct lpfc_dmabuf *) mbox->context1; |
3844 | if (mp) { | |
3845 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3846 | kfree(mp); | |
3847 | } | |
3848 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e | 3849 | } |
3850 | out: | |
58da1ffb | 3851 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) { |
2e0fef85 | 3852 | spin_lock_irq(shost->host_lock); |
858c9f6c | 3853 | ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI); |
2e0fef85 | 3854 | spin_unlock_irq(shost->host_lock); |
87af33fe JS |
3855 | |
3856 | /* If the node is not being used by another discovery thread, | |
3857 | * and we are sending a reject, we are done with it. | |
3858 | * Release driver reference count here and free associated | |
3859 | * resources. | |
3860 | */ | |
3861 | if (ls_rjt) | |
fa4066b6 JS |
3862 | if (lpfc_nlp_not_used(ndlp)) |
3863 | /* Indicate node has already been released, | |
3864 | * should not reference to it from within | |
3865 | * the routine lpfc_els_free_iocb. | |
3866 | */ | |
3867 | cmdiocb->context1 = NULL; | |
4b7789b7 | 3868 | |
dea3101e | 3869 | } |
87af33fe | 3870 | |
dea3101e | 3871 | lpfc_els_free_iocb(phba, cmdiocb); |
3872 | return; | |
3873 | } | |
3874 | ||
e59058c4 | 3875 | /** |
3621a710 | 3876 | * lpfc_els_rsp_acc - Prepare and issue an acc response iocb command |
e59058c4 JS |
3877 | * @vport: pointer to a host virtual N_Port data structure. |
3878 | * @flag: the els command code to be accepted. | |
3879 | * @oldiocb: pointer to the original lpfc command iocb data structure. | |
3880 | * @ndlp: pointer to a node-list data structure. | |
3881 | * @mbox: pointer to the driver internal queue element for mailbox command. | |
3882 | * | |
3883 | * This routine prepares and issues an Accept (ACC) response IOCB | |
3884 | * command. It uses the @flag to properly set up the IOCB field for the | |
3885 | * specific ACC response command to be issued and invokes the | |
3886 | * lpfc_sli_issue_iocb() routine to send out ACC response IOCB. If a | |
3887 | * @mbox pointer is passed in, it will be put into the context_un.mbox | |
3888 | * field of the IOCB for the completion callback function to issue the | |
3889 | * mailbox command to the HBA later when callback is invoked. | |
3890 | * | |
3891 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
3892 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
3893 | * will be stored into the context1 field of the IOCB for the completion | |
3894 | * callback function to the corresponding response ELS IOCB command. | |
3895 | * | |
3896 | * Return code | |
3897 | * 0 - Successfully issued acc response | |
3898 | * 1 - Failed to issue acc response | |
3899 | **/ | |
dea3101e | 3900 | int |
2e0fef85 JS |
3901 | lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, |
3902 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, | |
51ef4c26 | 3903 | LPFC_MBOXQ_t *mbox) |
dea3101e | 3904 | { |
2e0fef85 JS |
3905 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
3906 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3907 | IOCB_t *icmd; |
3908 | IOCB_t *oldcmd; | |
3909 | struct lpfc_iocbq *elsiocb; | |
dea3101e | 3910 | uint8_t *pcmd; |
d6de08cc | 3911 | struct serv_parm *sp; |
dea3101e | 3912 | uint16_t cmdsize; |
3913 | int rc; | |
82d9a2a2 | 3914 | ELS_PKT *els_pkt_ptr; |
dea3101e | 3915 | |
dea3101e | 3916 | oldcmd = &oldiocb->iocb; |
3917 | ||
3918 | switch (flag) { | |
3919 | case ELS_CMD_ACC: | |
92d7f7b0 | 3920 | cmdsize = sizeof(uint32_t); |
2e0fef85 JS |
3921 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
3922 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 3923 | if (!elsiocb) { |
2e0fef85 | 3924 | spin_lock_irq(shost->host_lock); |
5024ab17 | 3925 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
2e0fef85 | 3926 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 3927 | return 1; |
dea3101e | 3928 | } |
2e0fef85 | 3929 | |
dea3101e | 3930 | icmd = &elsiocb->iocb; |
7851fe2c JS |
3931 | icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ |
3932 | icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; | |
dea3101e | 3933 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
3934 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 3935 | pcmd += sizeof(uint32_t); |
858c9f6c JS |
3936 | |
3937 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
3938 | "Issue ACC: did:x%x flg:x%x", | |
3939 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
dea3101e | 3940 | break; |
d6de08cc | 3941 | case ELS_CMD_FLOGI: |
dea3101e | 3942 | case ELS_CMD_PLOGI: |
92d7f7b0 | 3943 | cmdsize = (sizeof(struct serv_parm) + sizeof(uint32_t)); |
2e0fef85 JS |
3944 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
3945 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 3946 | if (!elsiocb) |
c9f8735b | 3947 | return 1; |
488d1469 | 3948 | |
dea3101e | 3949 | icmd = &elsiocb->iocb; |
7851fe2c JS |
3950 | icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ |
3951 | icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; | |
dea3101e | 3952 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
3953 | ||
3954 | if (mbox) | |
3955 | elsiocb->context_un.mbox = mbox; | |
3956 | ||
3957 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 3958 | pcmd += sizeof(uint32_t); |
d6de08cc JS |
3959 | sp = (struct serv_parm *)pcmd; |
3960 | ||
3961 | if (flag == ELS_CMD_FLOGI) { | |
3962 | /* Copy the received service parameters back */ | |
3963 | memcpy(sp, &phba->fc_fabparam, | |
3964 | sizeof(struct serv_parm)); | |
3965 | ||
3966 | /* Clear the F_Port bit */ | |
3967 | sp->cmn.fPort = 0; | |
3968 | ||
3969 | /* Mark all class service parameters as invalid */ | |
3970 | sp->cls1.classValid = 0; | |
3971 | sp->cls2.classValid = 0; | |
3972 | sp->cls3.classValid = 0; | |
3973 | sp->cls4.classValid = 0; | |
3974 | ||
3975 | /* Copy our worldwide names */ | |
3976 | memcpy(&sp->portName, &vport->fc_sparam.portName, | |
3977 | sizeof(struct lpfc_name)); | |
3978 | memcpy(&sp->nodeName, &vport->fc_sparam.nodeName, | |
3979 | sizeof(struct lpfc_name)); | |
3980 | } else { | |
3981 | memcpy(pcmd, &vport->fc_sparam, | |
3982 | sizeof(struct serv_parm)); | |
3983 | } | |
858c9f6c JS |
3984 | |
3985 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
d6de08cc | 3986 | "Issue ACC FLOGI/PLOGI: did:x%x flg:x%x", |
858c9f6c | 3987 | ndlp->nlp_DID, ndlp->nlp_flag, 0); |
dea3101e | 3988 | break; |
82d9a2a2 | 3989 | case ELS_CMD_PRLO: |
92d7f7b0 | 3990 | cmdsize = sizeof(uint32_t) + sizeof(PRLO); |
2e0fef85 | 3991 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
82d9a2a2 JS |
3992 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); |
3993 | if (!elsiocb) | |
3994 | return 1; | |
3995 | ||
3996 | icmd = &elsiocb->iocb; | |
7851fe2c JS |
3997 | icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ |
3998 | icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; | |
82d9a2a2 JS |
3999 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
4000 | ||
4001 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, | |
92d7f7b0 | 4002 | sizeof(uint32_t) + sizeof(PRLO)); |
82d9a2a2 JS |
4003 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; |
4004 | els_pkt_ptr = (ELS_PKT *) pcmd; | |
4005 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; | |
858c9f6c JS |
4006 | |
4007 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
4008 | "Issue ACC PRLO: did:x%x flg:x%x", | |
4009 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
82d9a2a2 | 4010 | break; |
dea3101e | 4011 | default: |
c9f8735b | 4012 | return 1; |
dea3101e | 4013 | } |
dea3101e | 4014 | /* Xmit ELS ACC response tag <ulpIoTag> */ |
e8b62011 JS |
4015 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
4016 | "0128 Xmit ELS ACC response tag x%x, XRI: x%x, " | |
e6446439 JS |
4017 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x " |
4018 | "fc_flag x%x\n", | |
e8b62011 JS |
4019 | elsiocb->iotag, elsiocb->iocb.ulpContext, |
4020 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
e6446439 | 4021 | ndlp->nlp_rpi, vport->fc_flag); |
dea3101e | 4022 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { |
2e0fef85 | 4023 | spin_lock_irq(shost->host_lock); |
7c5e518c JS |
4024 | if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED || |
4025 | ndlp->nlp_flag & NLP_REG_LOGIN_SEND)) | |
4026 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; | |
2e0fef85 | 4027 | spin_unlock_irq(shost->host_lock); |
dea3101e | 4028 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
4029 | } else { | |
858c9f6c | 4030 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 4031 | } |
4032 | ||
4033 | phba->fc_stat.elsXmitACC++; | |
3772a991 | 4034 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); |
dea3101e | 4035 | if (rc == IOCB_ERROR) { |
4036 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 4037 | return 1; |
dea3101e | 4038 | } |
c9f8735b | 4039 | return 0; |
dea3101e | 4040 | } |
4041 | ||
e59058c4 | 4042 | /** |
3621a710 | 4043 | * lpfc_els_rsp_reject - Propare and issue a rjt response iocb command |
e59058c4 JS |
4044 | * @vport: pointer to a virtual N_Port data structure. |
4045 | * @rejectError: | |
4046 | * @oldiocb: pointer to the original lpfc command iocb data structure. | |
4047 | * @ndlp: pointer to a node-list data structure. | |
4048 | * @mbox: pointer to the driver internal queue element for mailbox command. | |
4049 | * | |
4050 | * This routine prepares and issue an Reject (RJT) response IOCB | |
4051 | * command. If a @mbox pointer is passed in, it will be put into the | |
4052 | * context_un.mbox field of the IOCB for the completion callback function | |
4053 | * to issue to the HBA later. | |
4054 | * | |
4055 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
4056 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
4057 | * will be stored into the context1 field of the IOCB for the completion | |
4058 | * callback function to the reject response ELS IOCB command. | |
4059 | * | |
4060 | * Return code | |
4061 | * 0 - Successfully issued reject response | |
4062 | * 1 - Failed to issue reject response | |
4063 | **/ | |
dea3101e | 4064 | int |
2e0fef85 | 4065 | lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, |
858c9f6c JS |
4066 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, |
4067 | LPFC_MBOXQ_t *mbox) | |
dea3101e | 4068 | { |
2e0fef85 | 4069 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4070 | IOCB_t *icmd; |
4071 | IOCB_t *oldcmd; | |
4072 | struct lpfc_iocbq *elsiocb; | |
dea3101e | 4073 | uint8_t *pcmd; |
4074 | uint16_t cmdsize; | |
4075 | int rc; | |
4076 | ||
92d7f7b0 | 4077 | cmdsize = 2 * sizeof(uint32_t); |
2e0fef85 JS |
4078 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
4079 | ndlp->nlp_DID, ELS_CMD_LS_RJT); | |
488d1469 | 4080 | if (!elsiocb) |
c9f8735b | 4081 | return 1; |
dea3101e | 4082 | |
4083 | icmd = &elsiocb->iocb; | |
4084 | oldcmd = &oldiocb->iocb; | |
7851fe2c JS |
4085 | icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ |
4086 | icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; | |
dea3101e | 4087 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
4088 | ||
4089 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; | |
92d7f7b0 | 4090 | pcmd += sizeof(uint32_t); |
dea3101e | 4091 | *((uint32_t *) (pcmd)) = rejectError; |
4092 | ||
51ef4c26 | 4093 | if (mbox) |
858c9f6c | 4094 | elsiocb->context_un.mbox = mbox; |
858c9f6c | 4095 | |
dea3101e | 4096 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ |
e8b62011 JS |
4097 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
4098 | "0129 Xmit ELS RJT x%x response tag x%x " | |
4099 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " | |
4100 | "rpi x%x\n", | |
4101 | rejectError, elsiocb->iotag, | |
4102 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, | |
4103 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
858c9f6c JS |
4104 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
4105 | "Issue LS_RJT: did:x%x flg:x%x err:x%x", | |
4106 | ndlp->nlp_DID, ndlp->nlp_flag, rejectError); | |
4107 | ||
dea3101e | 4108 | phba->fc_stat.elsXmitLSRJT++; |
858c9f6c | 4109 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
3772a991 | 4110 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); |
51ef4c26 | 4111 | |
dea3101e | 4112 | if (rc == IOCB_ERROR) { |
4113 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 4114 | return 1; |
dea3101e | 4115 | } |
c9f8735b | 4116 | return 0; |
dea3101e | 4117 | } |
4118 | ||
e59058c4 | 4119 | /** |
3621a710 | 4120 | * lpfc_els_rsp_adisc_acc - Prepare and issue acc response to adisc iocb cmd |
e59058c4 JS |
4121 | * @vport: pointer to a virtual N_Port data structure. |
4122 | * @oldiocb: pointer to the original lpfc command iocb data structure. | |
4123 | * @ndlp: pointer to a node-list data structure. | |
4124 | * | |
4125 | * This routine prepares and issues an Accept (ACC) response to Address | |
4126 | * Discover (ADISC) ELS command. It simply prepares the payload of the IOCB | |
4127 | * and invokes the lpfc_sli_issue_iocb() routine to send out the command. | |
4128 | * | |
4129 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
4130 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
4131 | * will be stored into the context1 field of the IOCB for the completion | |
4132 | * callback function to the ADISC Accept response ELS IOCB command. | |
4133 | * | |
4134 | * Return code | |
4135 | * 0 - Successfully issued acc adisc response | |
4136 | * 1 - Failed to issue adisc acc response | |
4137 | **/ | |
dea3101e | 4138 | int |
2e0fef85 JS |
4139 | lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
4140 | struct lpfc_nodelist *ndlp) | |
dea3101e | 4141 | { |
2e0fef85 | 4142 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4143 | ADISC *ap; |
2e0fef85 | 4144 | IOCB_t *icmd, *oldcmd; |
dea3101e | 4145 | struct lpfc_iocbq *elsiocb; |
dea3101e | 4146 | uint8_t *pcmd; |
4147 | uint16_t cmdsize; | |
4148 | int rc; | |
4149 | ||
92d7f7b0 | 4150 | cmdsize = sizeof(uint32_t) + sizeof(ADISC); |
2e0fef85 JS |
4151 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
4152 | ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 4153 | if (!elsiocb) |
c9f8735b | 4154 | return 1; |
dea3101e | 4155 | |
5b8bd0c9 JS |
4156 | icmd = &elsiocb->iocb; |
4157 | oldcmd = &oldiocb->iocb; | |
7851fe2c JS |
4158 | icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ |
4159 | icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; | |
5b8bd0c9 | 4160 | |
dea3101e | 4161 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
e8b62011 JS |
4162 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
4163 | "0130 Xmit ADISC ACC response iotag x%x xri: " | |
4164 | "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", | |
4165 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
4166 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
4167 | ndlp->nlp_rpi); | |
dea3101e | 4168 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
4169 | ||
4170 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 4171 | pcmd += sizeof(uint32_t); |
dea3101e | 4172 | |
4173 | ap = (ADISC *) (pcmd); | |
4174 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
92d7f7b0 JS |
4175 | memcpy(&ap->portName, &vport->fc_portname, sizeof(struct lpfc_name)); |
4176 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
2e0fef85 | 4177 | ap->DID = be32_to_cpu(vport->fc_myDID); |
dea3101e | 4178 | |
858c9f6c JS |
4179 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
4180 | "Issue ACC ADISC: did:x%x flg:x%x", | |
4181 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
4182 | ||
dea3101e | 4183 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 4184 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
3772a991 | 4185 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); |
dea3101e | 4186 | if (rc == IOCB_ERROR) { |
4187 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 4188 | return 1; |
dea3101e | 4189 | } |
c9f8735b | 4190 | return 0; |
dea3101e | 4191 | } |
4192 | ||
e59058c4 | 4193 | /** |
3621a710 | 4194 | * lpfc_els_rsp_prli_acc - Prepare and issue acc response to prli iocb cmd |
e59058c4 JS |
4195 | * @vport: pointer to a virtual N_Port data structure. |
4196 | * @oldiocb: pointer to the original lpfc command iocb data structure. | |
4197 | * @ndlp: pointer to a node-list data structure. | |
4198 | * | |
4199 | * This routine prepares and issues an Accept (ACC) response to Process | |
4200 | * Login (PRLI) ELS command. It simply prepares the payload of the IOCB | |
4201 | * and invokes the lpfc_sli_issue_iocb() routine to send out the command. | |
4202 | * | |
4203 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
4204 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
4205 | * will be stored into the context1 field of the IOCB for the completion | |
4206 | * callback function to the PRLI Accept response ELS IOCB command. | |
4207 | * | |
4208 | * Return code | |
4209 | * 0 - Successfully issued acc prli response | |
4210 | * 1 - Failed to issue acc prli response | |
4211 | **/ | |
dea3101e | 4212 | int |
2e0fef85 | 4213 | lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
5b8bd0c9 | 4214 | struct lpfc_nodelist *ndlp) |
dea3101e | 4215 | { |
2e0fef85 | 4216 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4217 | PRLI *npr; |
4218 | lpfc_vpd_t *vpd; | |
4219 | IOCB_t *icmd; | |
4220 | IOCB_t *oldcmd; | |
4221 | struct lpfc_iocbq *elsiocb; | |
dea3101e | 4222 | uint8_t *pcmd; |
4223 | uint16_t cmdsize; | |
4224 | int rc; | |
4225 | ||
92d7f7b0 | 4226 | cmdsize = sizeof(uint32_t) + sizeof(PRLI); |
2e0fef85 | 4227 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
92d7f7b0 | 4228 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
c9f8735b JW |
4229 | if (!elsiocb) |
4230 | return 1; | |
dea3101e | 4231 | |
5b8bd0c9 JS |
4232 | icmd = &elsiocb->iocb; |
4233 | oldcmd = &oldiocb->iocb; | |
7851fe2c JS |
4234 | icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ |
4235 | icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; | |
4236 | ||
dea3101e | 4237 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
e8b62011 JS |
4238 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
4239 | "0131 Xmit PRLI ACC response tag x%x xri x%x, " | |
4240 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
4241 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
4242 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
4243 | ndlp->nlp_rpi); | |
dea3101e | 4244 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
4245 | ||
4246 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); | |
92d7f7b0 | 4247 | pcmd += sizeof(uint32_t); |
dea3101e | 4248 | |
4249 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
92d7f7b0 | 4250 | memset(pcmd, 0, sizeof(PRLI)); |
dea3101e | 4251 | |
4252 | npr = (PRLI *) pcmd; | |
4253 | vpd = &phba->vpd; | |
4254 | /* | |
0d2b6b83 JS |
4255 | * If the remote port is a target and our firmware version is 3.20 or |
4256 | * later, set the following bits for FC-TAPE support. | |
dea3101e | 4257 | */ |
0d2b6b83 JS |
4258 | if ((ndlp->nlp_type & NLP_FCP_TARGET) && |
4259 | (vpd->rev.feaLevelHigh >= 0x02)) { | |
dea3101e | 4260 | npr->ConfmComplAllowed = 1; |
4261 | npr->Retry = 1; | |
4262 | npr->TaskRetryIdReq = 1; | |
4263 | } | |
4264 | ||
4265 | npr->acceptRspCode = PRLI_REQ_EXECUTED; | |
4266 | npr->estabImagePair = 1; | |
4267 | npr->readXferRdyDis = 1; | |
4268 | npr->ConfmComplAllowed = 1; | |
4269 | ||
4270 | npr->prliType = PRLI_FCP_TYPE; | |
4271 | npr->initiatorFunc = 1; | |
4272 | ||
858c9f6c JS |
4273 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
4274 | "Issue ACC PRLI: did:x%x flg:x%x", | |
4275 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
4276 | ||
dea3101e | 4277 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 4278 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 4279 | |
3772a991 | 4280 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); |
dea3101e | 4281 | if (rc == IOCB_ERROR) { |
4282 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 4283 | return 1; |
dea3101e | 4284 | } |
c9f8735b | 4285 | return 0; |
dea3101e | 4286 | } |
4287 | ||
e59058c4 | 4288 | /** |
3621a710 | 4289 | * lpfc_els_rsp_rnid_acc - Issue rnid acc response iocb command |
e59058c4 JS |
4290 | * @vport: pointer to a virtual N_Port data structure. |
4291 | * @format: rnid command format. | |
4292 | * @oldiocb: pointer to the original lpfc command iocb data structure. | |
4293 | * @ndlp: pointer to a node-list data structure. | |
4294 | * | |
4295 | * This routine issues a Request Node Identification Data (RNID) Accept | |
4296 | * (ACC) response. It constructs the RNID ACC response command according to | |
4297 | * the proper @format and then calls the lpfc_sli_issue_iocb() routine to | |
4298 | * issue the response. Note that this command does not need to hold the ndlp | |
4299 | * reference count for the callback. So, the ndlp reference count taken by | |
4300 | * the lpfc_prep_els_iocb() routine is put back and the context1 field of | |
4301 | * IOCB is set to NULL to indicate to the lpfc_els_free_iocb() routine that | |
4302 | * there is no ndlp reference available. | |
4303 | * | |
4304 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
4305 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
4306 | * will be stored into the context1 field of the IOCB for the completion | |
4307 | * callback function. However, for the RNID Accept Response ELS command, | |
4308 | * this is undone later by this routine after the IOCB is allocated. | |
4309 | * | |
4310 | * Return code | |
4311 | * 0 - Successfully issued acc rnid response | |
4312 | * 1 - Failed to issue acc rnid response | |
4313 | **/ | |
dea3101e | 4314 | static int |
2e0fef85 | 4315 | lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, |
329f9bc7 | 4316 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
dea3101e | 4317 | { |
2e0fef85 | 4318 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 4319 | RNID *rn; |
2e0fef85 | 4320 | IOCB_t *icmd, *oldcmd; |
dea3101e | 4321 | struct lpfc_iocbq *elsiocb; |
dea3101e | 4322 | uint8_t *pcmd; |
4323 | uint16_t cmdsize; | |
4324 | int rc; | |
4325 | ||
92d7f7b0 JS |
4326 | cmdsize = sizeof(uint32_t) + sizeof(uint32_t) |
4327 | + (2 * sizeof(struct lpfc_name)); | |
dea3101e | 4328 | if (format) |
92d7f7b0 | 4329 | cmdsize += sizeof(RNID_TOP_DISC); |
dea3101e | 4330 | |
2e0fef85 JS |
4331 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
4332 | ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 4333 | if (!elsiocb) |
c9f8735b | 4334 | return 1; |
dea3101e | 4335 | |
5b8bd0c9 JS |
4336 | icmd = &elsiocb->iocb; |
4337 | oldcmd = &oldiocb->iocb; | |
7851fe2c JS |
4338 | icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ |
4339 | icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; | |
4340 | ||
dea3101e | 4341 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
e8b62011 JS |
4342 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
4343 | "0132 Xmit RNID ACC response tag x%x xri x%x\n", | |
4344 | elsiocb->iotag, elsiocb->iocb.ulpContext); | |
dea3101e | 4345 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
dea3101e | 4346 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; |
92d7f7b0 | 4347 | pcmd += sizeof(uint32_t); |
dea3101e | 4348 | |
92d7f7b0 | 4349 | memset(pcmd, 0, sizeof(RNID)); |
dea3101e | 4350 | rn = (RNID *) (pcmd); |
4351 | rn->Format = format; | |
92d7f7b0 JS |
4352 | rn->CommonLen = (2 * sizeof(struct lpfc_name)); |
4353 | memcpy(&rn->portName, &vport->fc_portname, sizeof(struct lpfc_name)); | |
4354 | memcpy(&rn->nodeName, &vport->fc_nodename, sizeof(struct lpfc_name)); | |
dea3101e | 4355 | switch (format) { |
4356 | case 0: | |
4357 | rn->SpecificLen = 0; | |
4358 | break; | |
4359 | case RNID_TOPOLOGY_DISC: | |
92d7f7b0 | 4360 | rn->SpecificLen = sizeof(RNID_TOP_DISC); |
dea3101e | 4361 | memcpy(&rn->un.topologyDisc.portName, |
92d7f7b0 | 4362 | &vport->fc_portname, sizeof(struct lpfc_name)); |
dea3101e | 4363 | rn->un.topologyDisc.unitType = RNID_HBA; |
4364 | rn->un.topologyDisc.physPort = 0; | |
4365 | rn->un.topologyDisc.attachedNodes = 0; | |
4366 | break; | |
4367 | default: | |
4368 | rn->CommonLen = 0; | |
4369 | rn->SpecificLen = 0; | |
4370 | break; | |
4371 | } | |
4372 | ||
858c9f6c JS |
4373 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, |
4374 | "Issue ACC RNID: did:x%x flg:x%x", | |
4375 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
4376 | ||
dea3101e | 4377 | phba->fc_stat.elsXmitACC++; |
858c9f6c | 4378 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
dea3101e | 4379 | |
3772a991 | 4380 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); |
dea3101e | 4381 | if (rc == IOCB_ERROR) { |
4382 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 4383 | return 1; |
dea3101e | 4384 | } |
c9f8735b | 4385 | return 0; |
dea3101e | 4386 | } |
4387 | ||
19ca7609 JS |
4388 | /** |
4389 | * lpfc_els_clear_rrq - Clear the rq that this rrq describes. | |
4390 | * @vport: pointer to a virtual N_Port data structure. | |
4391 | * @iocb: pointer to the lpfc command iocb data structure. | |
4392 | * @ndlp: pointer to a node-list data structure. | |
4393 | * | |
4394 | * Return | |
4395 | **/ | |
4396 | static void | |
4397 | lpfc_els_clear_rrq(struct lpfc_vport *vport, | |
4398 | struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp) | |
4399 | { | |
4400 | struct lpfc_hba *phba = vport->phba; | |
4401 | uint8_t *pcmd; | |
4402 | struct RRQ *rrq; | |
4403 | uint16_t rxid; | |
1151e3ec | 4404 | uint16_t xri; |
19ca7609 JS |
4405 | struct lpfc_node_rrq *prrq; |
4406 | ||
4407 | ||
4408 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) iocb->context2)->virt); | |
4409 | pcmd += sizeof(uint32_t); | |
4410 | rrq = (struct RRQ *)pcmd; | |
1151e3ec | 4411 | rrq->rrq_exchg = be32_to_cpu(rrq->rrq_exchg); |
9589b062 | 4412 | rxid = bf_get(rrq_rxid, rrq); |
19ca7609 JS |
4413 | |
4414 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
4415 | "2883 Clear RRQ for SID:x%x OXID:x%x RXID:x%x" | |
4416 | " x%x x%x\n", | |
1151e3ec | 4417 | be32_to_cpu(bf_get(rrq_did, rrq)), |
9589b062 | 4418 | bf_get(rrq_oxid, rrq), |
19ca7609 JS |
4419 | rxid, |
4420 | iocb->iotag, iocb->iocb.ulpContext); | |
4421 | ||
4422 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
4423 | "Clear RRQ: did:x%x flg:x%x exchg:x%.08x", | |
4424 | ndlp->nlp_DID, ndlp->nlp_flag, rrq->rrq_exchg); | |
1151e3ec | 4425 | if (vport->fc_myDID == be32_to_cpu(bf_get(rrq_did, rrq))) |
9589b062 | 4426 | xri = bf_get(rrq_oxid, rrq); |
1151e3ec JS |
4427 | else |
4428 | xri = rxid; | |
4429 | prrq = lpfc_get_active_rrq(vport, xri, ndlp->nlp_DID); | |
19ca7609 | 4430 | if (prrq) |
1151e3ec | 4431 | lpfc_clr_rrq_active(phba, xri, prrq); |
19ca7609 JS |
4432 | return; |
4433 | } | |
4434 | ||
12265f68 JS |
4435 | /** |
4436 | * lpfc_els_rsp_echo_acc - Issue echo acc response | |
4437 | * @vport: pointer to a virtual N_Port data structure. | |
4438 | * @data: pointer to echo data to return in the accept. | |
4439 | * @oldiocb: pointer to the original lpfc command iocb data structure. | |
4440 | * @ndlp: pointer to a node-list data structure. | |
4441 | * | |
4442 | * Return code | |
4443 | * 0 - Successfully issued acc echo response | |
4444 | * 1 - Failed to issue acc echo response | |
4445 | **/ | |
4446 | static int | |
4447 | lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data, | |
4448 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) | |
4449 | { | |
4450 | struct lpfc_hba *phba = vport->phba; | |
4451 | struct lpfc_iocbq *elsiocb; | |
12265f68 JS |
4452 | uint8_t *pcmd; |
4453 | uint16_t cmdsize; | |
4454 | int rc; | |
4455 | ||
12265f68 JS |
4456 | cmdsize = oldiocb->iocb.unsli3.rcvsli3.acc_len; |
4457 | ||
bf08611b JS |
4458 | /* The accumulated length can exceed the BPL_SIZE. For |
4459 | * now, use this as the limit | |
4460 | */ | |
4461 | if (cmdsize > LPFC_BPL_SIZE) | |
4462 | cmdsize = LPFC_BPL_SIZE; | |
12265f68 JS |
4463 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
4464 | ndlp->nlp_DID, ELS_CMD_ACC); | |
4465 | if (!elsiocb) | |
4466 | return 1; | |
4467 | ||
7851fe2c JS |
4468 | elsiocb->iocb.ulpContext = oldiocb->iocb.ulpContext; /* Xri / rx_id */ |
4469 | elsiocb->iocb.unsli3.rcvsli3.ox_id = oldiocb->iocb.unsli3.rcvsli3.ox_id; | |
4470 | ||
12265f68 JS |
4471 | /* Xmit ECHO ACC response tag <ulpIoTag> */ |
4472 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
4473 | "2876 Xmit ECHO ACC response tag x%x xri x%x\n", | |
4474 | elsiocb->iotag, elsiocb->iocb.ulpContext); | |
4475 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
4476 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
4477 | pcmd += sizeof(uint32_t); | |
4478 | memcpy(pcmd, data, cmdsize - sizeof(uint32_t)); | |
4479 | ||
4480 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, | |
4481 | "Issue ACC ECHO: did:x%x flg:x%x", | |
4482 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
4483 | ||
4484 | phba->fc_stat.elsXmitACC++; | |
4485 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; | |
12265f68 JS |
4486 | |
4487 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); | |
4488 | if (rc == IOCB_ERROR) { | |
4489 | lpfc_els_free_iocb(phba, elsiocb); | |
4490 | return 1; | |
4491 | } | |
4492 | return 0; | |
4493 | } | |
4494 | ||
e59058c4 | 4495 | /** |
3621a710 | 4496 | * lpfc_els_disc_adisc - Issue remaining adisc iocbs to npr nodes of a vport |
e59058c4 JS |
4497 | * @vport: pointer to a host virtual N_Port data structure. |
4498 | * | |
4499 | * This routine issues Address Discover (ADISC) ELS commands to those | |
4500 | * N_Ports which are in node port recovery state and ADISC has not been issued | |
4501 | * for the @vport. Each time an ELS ADISC IOCB is issued by invoking the | |
4502 | * lpfc_issue_els_adisc() routine, the per @vport number of discover count | |
4503 | * (num_disc_nodes) shall be incremented. If the num_disc_nodes reaches a | |
4504 | * pre-configured threshold (cfg_discovery_threads), the @vport fc_flag will | |
4505 | * be marked with FC_NLP_MORE bit and the process of issuing remaining ADISC | |
4506 | * IOCBs quit for later pick up. On the other hand, after walking through | |
4507 | * all the ndlps with the @vport and there is none ADISC IOCB issued, the | |
4508 | * @vport fc_flag shall be cleared with FC_NLP_MORE bit indicating there is | |
4509 | * no more ADISC need to be sent. | |
4510 | * | |
4511 | * Return code | |
4512 | * The number of N_Ports with adisc issued. | |
4513 | **/ | |
dea3101e | 4514 | int |
2e0fef85 | 4515 | lpfc_els_disc_adisc(struct lpfc_vport *vport) |
dea3101e | 4516 | { |
2e0fef85 | 4517 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4518 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 4519 | int sentadisc = 0; |
dea3101e | 4520 | |
685f0bf7 | 4521 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
2e0fef85 | 4522 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 JS |
4523 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4524 | continue; | |
685f0bf7 JS |
4525 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
4526 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
4527 | (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { | |
2e0fef85 | 4528 | spin_lock_irq(shost->host_lock); |
685f0bf7 | 4529 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 4530 | spin_unlock_irq(shost->host_lock); |
685f0bf7 | 4531 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
4532 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
4533 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
685f0bf7 | 4534 | sentadisc++; |
2e0fef85 JS |
4535 | vport->num_disc_nodes++; |
4536 | if (vport->num_disc_nodes >= | |
3de2a653 | 4537 | vport->cfg_discovery_threads) { |
2e0fef85 JS |
4538 | spin_lock_irq(shost->host_lock); |
4539 | vport->fc_flag |= FC_NLP_MORE; | |
4540 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 4541 | break; |
dea3101e | 4542 | } |
4543 | } | |
4544 | } | |
4545 | if (sentadisc == 0) { | |
2e0fef85 JS |
4546 | spin_lock_irq(shost->host_lock); |
4547 | vport->fc_flag &= ~FC_NLP_MORE; | |
4548 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 4549 | } |
2fe165b6 | 4550 | return sentadisc; |
dea3101e | 4551 | } |
4552 | ||
e59058c4 | 4553 | /** |
3621a710 | 4554 | * lpfc_els_disc_plogi - Issue plogi for all npr nodes of a vport before adisc |
e59058c4 JS |
4555 | * @vport: pointer to a host virtual N_Port data structure. |
4556 | * | |
4557 | * This routine issues Port Login (PLOGI) ELS commands to all the N_Ports | |
4558 | * which are in node port recovery state, with a @vport. Each time an ELS | |
4559 | * ADISC PLOGI IOCB is issued by invoking the lpfc_issue_els_plogi() routine, | |
4560 | * the per @vport number of discover count (num_disc_nodes) shall be | |
4561 | * incremented. If the num_disc_nodes reaches a pre-configured threshold | |
4562 | * (cfg_discovery_threads), the @vport fc_flag will be marked with FC_NLP_MORE | |
4563 | * bit set and quit the process of issuing remaining ADISC PLOGIN IOCBs for | |
4564 | * later pick up. On the other hand, after walking through all the ndlps with | |
4565 | * the @vport and there is none ADISC PLOGI IOCB issued, the @vport fc_flag | |
4566 | * shall be cleared with the FC_NLP_MORE bit indicating there is no more ADISC | |
4567 | * PLOGI need to be sent. | |
4568 | * | |
4569 | * Return code | |
4570 | * The number of N_Ports with plogi issued. | |
4571 | **/ | |
dea3101e | 4572 | int |
2e0fef85 | 4573 | lpfc_els_disc_plogi(struct lpfc_vport *vport) |
dea3101e | 4574 | { |
2e0fef85 | 4575 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 4576 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 4577 | int sentplogi = 0; |
dea3101e | 4578 | |
2e0fef85 JS |
4579 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
4580 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
e47c9093 JS |
4581 | if (!NLP_CHK_NODE_ACT(ndlp)) |
4582 | continue; | |
685f0bf7 | 4583 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
8b017a30 JS |
4584 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && |
4585 | (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && | |
4586 | (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { | |
685f0bf7 | 4587 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
4588 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
4589 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
685f0bf7 | 4590 | sentplogi++; |
2e0fef85 JS |
4591 | vport->num_disc_nodes++; |
4592 | if (vport->num_disc_nodes >= | |
8b017a30 | 4593 | vport->cfg_discovery_threads) { |
2e0fef85 JS |
4594 | spin_lock_irq(shost->host_lock); |
4595 | vport->fc_flag |= FC_NLP_MORE; | |
4596 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 4597 | break; |
dea3101e | 4598 | } |
4599 | } | |
4600 | } | |
87af33fe JS |
4601 | if (sentplogi) { |
4602 | lpfc_set_disctmo(vport); | |
4603 | } | |
4604 | else { | |
2e0fef85 JS |
4605 | spin_lock_irq(shost->host_lock); |
4606 | vport->fc_flag &= ~FC_NLP_MORE; | |
4607 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 4608 | } |
2fe165b6 | 4609 | return sentplogi; |
dea3101e | 4610 | } |
4611 | ||
86478875 JS |
4612 | void |
4613 | lpfc_rdp_res_link_service(struct fc_rdp_link_service_desc *desc, | |
4614 | uint32_t word0) | |
4615 | { | |
4616 | ||
4617 | desc->tag = cpu_to_be32(RDP_LINK_SERVICE_DESC_TAG); | |
4618 | desc->payload.els_req = word0; | |
4619 | desc->length = cpu_to_be32(sizeof(desc->payload)); | |
4620 | } | |
4621 | ||
4622 | void | |
4623 | lpfc_rdp_res_sfp_desc(struct fc_rdp_sfp_desc *desc, | |
4624 | uint8_t *page_a0, uint8_t *page_a2) | |
4625 | { | |
4626 | uint16_t wavelength; | |
4627 | uint16_t temperature; | |
4628 | uint16_t rx_power; | |
4629 | uint16_t tx_bias; | |
4630 | uint16_t tx_power; | |
4631 | uint16_t vcc; | |
4632 | uint16_t flag = 0; | |
4633 | struct sff_trasnceiver_codes_byte4 *trasn_code_byte4; | |
4634 | struct sff_trasnceiver_codes_byte5 *trasn_code_byte5; | |
4635 | ||
4636 | desc->tag = cpu_to_be32(RDP_SFP_DESC_TAG); | |
4637 | ||
4638 | trasn_code_byte4 = (struct sff_trasnceiver_codes_byte4 *) | |
4639 | &page_a0[SSF_TRANSCEIVER_CODE_B4]; | |
4640 | trasn_code_byte5 = (struct sff_trasnceiver_codes_byte5 *) | |
4641 | &page_a0[SSF_TRANSCEIVER_CODE_B5]; | |
4642 | ||
4643 | if ((trasn_code_byte4->fc_sw_laser) || | |
4644 | (trasn_code_byte5->fc_sw_laser_sl) || | |
4645 | (trasn_code_byte5->fc_sw_laser_sn)) { /* check if its short WL */ | |
4646 | flag |= (SFP_FLAG_PT_SWLASER << SFP_FLAG_PT_SHIFT); | |
4647 | } else if (trasn_code_byte4->fc_lw_laser) { | |
4648 | wavelength = (page_a0[SSF_WAVELENGTH_B1] << 8) | | |
4649 | page_a0[SSF_WAVELENGTH_B0]; | |
4650 | if (wavelength == SFP_WAVELENGTH_LC1310) | |
4651 | flag |= SFP_FLAG_PT_LWLASER_LC1310 << SFP_FLAG_PT_SHIFT; | |
4652 | if (wavelength == SFP_WAVELENGTH_LL1550) | |
4653 | flag |= SFP_FLAG_PT_LWLASER_LL1550 << SFP_FLAG_PT_SHIFT; | |
4654 | } | |
4655 | /* check if its SFP+ */ | |
4656 | flag |= ((page_a0[SSF_IDENTIFIER] == SFF_PG0_IDENT_SFP) ? | |
4657 | SFP_FLAG_CT_SFP_PLUS : SFP_FLAG_CT_UNKNOWN) | |
4658 | << SFP_FLAG_CT_SHIFT; | |
4659 | ||
4660 | /* check if its OPTICAL */ | |
4661 | flag |= ((page_a0[SSF_CONNECTOR] == SFF_PG0_CONNECTOR_LC) ? | |
4662 | SFP_FLAG_IS_OPTICAL_PORT : 0) | |
4663 | << SFP_FLAG_IS_OPTICAL_SHIFT; | |
4664 | ||
4665 | temperature = (page_a2[SFF_TEMPERATURE_B1] << 8 | | |
4666 | page_a2[SFF_TEMPERATURE_B0]); | |
4667 | vcc = (page_a2[SFF_VCC_B1] << 8 | | |
4668 | page_a2[SFF_VCC_B0]); | |
4669 | tx_power = (page_a2[SFF_TXPOWER_B1] << 8 | | |
4670 | page_a2[SFF_TXPOWER_B0]); | |
4671 | tx_bias = (page_a2[SFF_TX_BIAS_CURRENT_B1] << 8 | | |
4672 | page_a2[SFF_TX_BIAS_CURRENT_B0]); | |
4673 | rx_power = (page_a2[SFF_RXPOWER_B1] << 8 | | |
4674 | page_a2[SFF_RXPOWER_B0]); | |
4675 | desc->sfp_info.temperature = cpu_to_be16(temperature); | |
4676 | desc->sfp_info.rx_power = cpu_to_be16(rx_power); | |
4677 | desc->sfp_info.tx_bias = cpu_to_be16(tx_bias); | |
4678 | desc->sfp_info.tx_power = cpu_to_be16(tx_power); | |
4679 | desc->sfp_info.vcc = cpu_to_be16(vcc); | |
4680 | ||
4681 | desc->sfp_info.flags = cpu_to_be16(flag); | |
4682 | desc->length = cpu_to_be32(sizeof(desc->sfp_info)); | |
4683 | } | |
4684 | ||
4685 | void | |
4686 | lpfc_rdp_res_link_error(struct fc_rdp_link_error_status_desc *desc, | |
4687 | READ_LNK_VAR *stat) | |
4688 | { | |
4689 | uint32_t type; | |
4690 | ||
4691 | desc->tag = cpu_to_be32(RDP_LINK_ERROR_STATUS_DESC_TAG); | |
4692 | ||
4693 | type = VN_PT_PHY_PF_PORT << VN_PT_PHY_SHIFT; | |
4694 | ||
4695 | desc->info.port_type = cpu_to_be32(type); | |
4696 | ||
4697 | desc->info.link_status.link_failure_cnt = | |
4698 | cpu_to_be32(stat->linkFailureCnt); | |
4699 | desc->info.link_status.loss_of_synch_cnt = | |
4700 | cpu_to_be32(stat->lossSyncCnt); | |
4701 | desc->info.link_status.loss_of_signal_cnt = | |
4702 | cpu_to_be32(stat->lossSignalCnt); | |
4703 | desc->info.link_status.primitive_seq_proto_err = | |
4704 | cpu_to_be32(stat->primSeqErrCnt); | |
4705 | desc->info.link_status.invalid_trans_word = | |
4706 | cpu_to_be32(stat->invalidXmitWord); | |
4707 | desc->info.link_status.invalid_crc_cnt = cpu_to_be32(stat->crcCnt); | |
4708 | ||
4709 | desc->length = cpu_to_be32(sizeof(desc->info)); | |
4710 | } | |
4711 | ||
56204984 JS |
4712 | void |
4713 | lpfc_rdp_res_bbc_desc(struct fc_rdp_bbc_desc *desc, READ_LNK_VAR *stat, | |
4714 | struct lpfc_vport *vport) | |
4715 | { | |
4716 | desc->tag = cpu_to_be32(RDP_BBC_DESC_TAG); | |
4717 | ||
4718 | desc->bbc_info.port_bbc = cpu_to_be32( | |
4719 | vport->fc_sparam.cmn.bbCreditMsb | | |
4720 | vport->fc_sparam.cmn.bbCreditlsb << 8); | |
4721 | if (vport->phba->fc_topology != LPFC_TOPOLOGY_LOOP) | |
4722 | desc->bbc_info.attached_port_bbc = cpu_to_be32( | |
4723 | vport->phba->fc_fabparam.cmn.bbCreditMsb | | |
4724 | vport->phba->fc_fabparam.cmn.bbCreditlsb << 8); | |
4725 | else | |
4726 | desc->bbc_info.attached_port_bbc = 0; | |
4727 | ||
4728 | desc->bbc_info.rtt = 0; | |
4729 | desc->length = cpu_to_be32(sizeof(desc->bbc_info)); | |
4730 | } | |
4731 | ||
4732 | void | |
4733 | lpfc_rdp_res_oed_temp_desc(struct fc_rdp_oed_sfp_desc *desc, uint8_t *page_a2) | |
4734 | { | |
4735 | uint32_t flags; | |
4736 | ||
4737 | desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); | |
4738 | ||
4739 | desc->oed_info.hi_alarm = | |
4740 | cpu_to_be16(page_a2[SSF_TEMP_HIGH_ALARM]); | |
4741 | desc->oed_info.lo_alarm = cpu_to_be16(page_a2[SSF_TEMP_LOW_ALARM]); | |
4742 | desc->oed_info.hi_warning = | |
4743 | cpu_to_be16(page_a2[SSF_TEMP_HIGH_WARNING]); | |
4744 | desc->oed_info.lo_warning = | |
4745 | cpu_to_be16(page_a2[SSF_TEMP_LOW_WARNING]); | |
4746 | flags = 0xf; /* All four are valid */ | |
4747 | flags |= ((0xf & RDP_OED_TEMPERATURE) << RDP_OED_TYPE_SHIFT); | |
4748 | desc->oed_info.function_flags = cpu_to_be32(flags); | |
4749 | desc->length = cpu_to_be32(sizeof(desc->oed_info)); | |
4750 | } | |
4751 | ||
4752 | void | |
4753 | lpfc_rdp_res_oed_voltage_desc(struct fc_rdp_oed_sfp_desc *desc, | |
4754 | uint8_t *page_a2) | |
4755 | { | |
4756 | uint32_t flags; | |
4757 | ||
4758 | desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); | |
4759 | ||
4760 | desc->oed_info.hi_alarm = | |
4761 | cpu_to_be16(page_a2[SSF_VOLTAGE_HIGH_ALARM]); | |
4762 | desc->oed_info.lo_alarm = cpu_to_be16(page_a2[SSF_VOLTAGE_LOW_ALARM]); | |
4763 | desc->oed_info.hi_warning = | |
4764 | cpu_to_be16(page_a2[SSF_VOLTAGE_HIGH_WARNING]); | |
4765 | desc->oed_info.lo_warning = | |
4766 | cpu_to_be16(page_a2[SSF_VOLTAGE_LOW_WARNING]); | |
4767 | flags = 0xf; /* All four are valid */ | |
4768 | flags |= ((0xf & RDP_OED_VOLTAGE) << RDP_OED_TYPE_SHIFT); | |
4769 | desc->oed_info.function_flags = cpu_to_be32(flags); | |
4770 | desc->length = cpu_to_be32(sizeof(desc->oed_info)); | |
4771 | } | |
4772 | ||
4773 | void | |
4774 | lpfc_rdp_res_oed_txbias_desc(struct fc_rdp_oed_sfp_desc *desc, | |
4775 | uint8_t *page_a2) | |
4776 | { | |
4777 | uint32_t flags; | |
4778 | ||
4779 | desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); | |
4780 | ||
4781 | desc->oed_info.hi_alarm = | |
4782 | cpu_to_be16(page_a2[SSF_BIAS_HIGH_ALARM]); | |
4783 | desc->oed_info.lo_alarm = cpu_to_be16(page_a2[SSF_BIAS_LOW_ALARM]); | |
4784 | desc->oed_info.hi_warning = | |
4785 | cpu_to_be16(page_a2[SSF_BIAS_HIGH_WARNING]); | |
4786 | desc->oed_info.lo_warning = | |
4787 | cpu_to_be16(page_a2[SSF_BIAS_LOW_WARNING]); | |
4788 | flags = 0xf; /* All four are valid */ | |
4789 | flags |= ((0xf & RDP_OED_TXBIAS) << RDP_OED_TYPE_SHIFT); | |
4790 | desc->oed_info.function_flags = cpu_to_be32(flags); | |
4791 | desc->length = cpu_to_be32(sizeof(desc->oed_info)); | |
4792 | } | |
4793 | ||
4794 | void | |
4795 | lpfc_rdp_res_oed_txpower_desc(struct fc_rdp_oed_sfp_desc *desc, | |
4796 | uint8_t *page_a2) | |
4797 | { | |
4798 | uint32_t flags; | |
4799 | ||
4800 | desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); | |
4801 | ||
4802 | desc->oed_info.hi_alarm = | |
4803 | cpu_to_be16(page_a2[SSF_TXPOWER_HIGH_ALARM]); | |
4804 | desc->oed_info.lo_alarm = cpu_to_be16(page_a2[SSF_TXPOWER_LOW_ALARM]); | |
4805 | desc->oed_info.hi_warning = | |
4806 | cpu_to_be16(page_a2[SSF_TXPOWER_HIGH_WARNING]); | |
4807 | desc->oed_info.lo_warning = | |
4808 | cpu_to_be16(page_a2[SSF_TXPOWER_LOW_WARNING]); | |
4809 | flags = 0xf; /* All four are valid */ | |
4810 | flags |= ((0xf & RDP_OED_TXPOWER) << RDP_OED_TYPE_SHIFT); | |
4811 | desc->oed_info.function_flags = cpu_to_be32(flags); | |
4812 | desc->length = cpu_to_be32(sizeof(desc->oed_info)); | |
4813 | } | |
4814 | ||
4815 | ||
4816 | void | |
4817 | lpfc_rdp_res_oed_rxpower_desc(struct fc_rdp_oed_sfp_desc *desc, | |
4818 | uint8_t *page_a2) | |
4819 | { | |
4820 | uint32_t flags; | |
4821 | ||
4822 | desc->tag = cpu_to_be32(RDP_OED_DESC_TAG); | |
4823 | ||
4824 | desc->oed_info.hi_alarm = | |
4825 | cpu_to_be16(page_a2[SSF_RXPOWER_HIGH_ALARM]); | |
4826 | desc->oed_info.lo_alarm = cpu_to_be16(page_a2[SSF_RXPOWER_LOW_ALARM]); | |
4827 | desc->oed_info.hi_warning = | |
4828 | cpu_to_be16(page_a2[SSF_RXPOWER_HIGH_WARNING]); | |
4829 | desc->oed_info.lo_warning = | |
4830 | cpu_to_be16(page_a2[SSF_RXPOWER_LOW_WARNING]); | |
4831 | flags = 0xf; /* All four are valid */ | |
4832 | flags |= ((0xf & RDP_OED_RXPOWER) << RDP_OED_TYPE_SHIFT); | |
4833 | desc->oed_info.function_flags = cpu_to_be32(flags); | |
4834 | desc->length = cpu_to_be32(sizeof(desc->oed_info)); | |
4835 | } | |
4836 | ||
4837 | void | |
4838 | lpfc_rdp_res_opd_desc(struct fc_rdp_opd_sfp_desc *desc, | |
4839 | uint8_t *page_a0, struct lpfc_vport *vport) | |
4840 | { | |
4841 | desc->tag = cpu_to_be32(RDP_OPD_DESC_TAG); | |
4842 | memcpy(desc->opd_info.vendor_name, &page_a0[SSF_VENDOR_NAME], 16); | |
4843 | memcpy(desc->opd_info.model_number, &page_a0[SSF_VENDOR_PN], 16); | |
4844 | memcpy(desc->opd_info.serial_number, &page_a0[SSF_VENDOR_SN], 16); | |
4845 | memcpy(desc->opd_info.revision, &page_a0[SSF_VENDOR_REV], 2); | |
4846 | memcpy(desc->opd_info.date, &page_a0[SSF_DATE_CODE], 8); | |
4847 | desc->length = cpu_to_be32(sizeof(desc->opd_info)); | |
4848 | } | |
4849 | ||
4258e98e JS |
4850 | int |
4851 | lpfc_rdp_res_fec_desc(struct fc_fec_rdp_desc *desc, READ_LNK_VAR *stat) | |
4852 | { | |
4853 | if (bf_get(lpfc_read_link_stat_gec2, stat) == 0) | |
4854 | return 0; | |
4855 | desc->tag = cpu_to_be32(RDP_FEC_DESC_TAG); | |
4856 | ||
4857 | desc->info.CorrectedBlocks = | |
4858 | cpu_to_be32(stat->fecCorrBlkCount); | |
4859 | desc->info.UncorrectableBlocks = | |
4860 | cpu_to_be32(stat->fecUncorrBlkCount); | |
4861 | ||
4862 | desc->length = cpu_to_be32(sizeof(desc->info)); | |
4863 | ||
4864 | return sizeof(struct fc_fec_rdp_desc); | |
4865 | } | |
4866 | ||
86478875 JS |
4867 | void |
4868 | lpfc_rdp_res_speed(struct fc_rdp_port_speed_desc *desc, struct lpfc_hba *phba) | |
4869 | { | |
4870 | uint16_t rdp_cap = 0; | |
4871 | uint16_t rdp_speed; | |
4872 | ||
4873 | desc->tag = cpu_to_be32(RDP_PORT_SPEED_DESC_TAG); | |
4874 | ||
81e75177 JS |
4875 | switch (phba->fc_linkspeed) { |
4876 | case LPFC_LINK_SPEED_1GHZ: | |
86478875 JS |
4877 | rdp_speed = RDP_PS_1GB; |
4878 | break; | |
81e75177 | 4879 | case LPFC_LINK_SPEED_2GHZ: |
86478875 JS |
4880 | rdp_speed = RDP_PS_2GB; |
4881 | break; | |
81e75177 | 4882 | case LPFC_LINK_SPEED_4GHZ: |
86478875 JS |
4883 | rdp_speed = RDP_PS_4GB; |
4884 | break; | |
81e75177 | 4885 | case LPFC_LINK_SPEED_8GHZ: |
86478875 JS |
4886 | rdp_speed = RDP_PS_8GB; |
4887 | break; | |
81e75177 | 4888 | case LPFC_LINK_SPEED_10GHZ: |
86478875 JS |
4889 | rdp_speed = RDP_PS_10GB; |
4890 | break; | |
81e75177 | 4891 | case LPFC_LINK_SPEED_16GHZ: |
86478875 JS |
4892 | rdp_speed = RDP_PS_16GB; |
4893 | break; | |
a085e87c JS |
4894 | case LPFC_LINK_SPEED_32GHZ: |
4895 | rdp_speed = RDP_PS_32GB; | |
4896 | break; | |
86478875 JS |
4897 | default: |
4898 | rdp_speed = RDP_PS_UNKNOWN; | |
4899 | break; | |
4900 | } | |
4901 | ||
4902 | desc->info.port_speed.speed = cpu_to_be16(rdp_speed); | |
4903 | ||
d38dd52c JS |
4904 | if (phba->lmt & LMT_32Gb) |
4905 | rdp_cap |= RDP_PS_32GB; | |
86478875 JS |
4906 | if (phba->lmt & LMT_16Gb) |
4907 | rdp_cap |= RDP_PS_16GB; | |
4908 | if (phba->lmt & LMT_10Gb) | |
4909 | rdp_cap |= RDP_PS_10GB; | |
4910 | if (phba->lmt & LMT_8Gb) | |
4911 | rdp_cap |= RDP_PS_8GB; | |
4912 | if (phba->lmt & LMT_4Gb) | |
4913 | rdp_cap |= RDP_PS_4GB; | |
4914 | if (phba->lmt & LMT_2Gb) | |
4915 | rdp_cap |= RDP_PS_2GB; | |
4916 | if (phba->lmt & LMT_1Gb) | |
4917 | rdp_cap |= RDP_PS_1GB; | |
4918 | ||
4919 | if (rdp_cap == 0) | |
4920 | rdp_cap = RDP_CAP_UNKNOWN; | |
56204984 JS |
4921 | if (phba->cfg_link_speed != LPFC_USER_LINK_SPEED_AUTO) |
4922 | rdp_cap |= RDP_CAP_USER_CONFIGURED; | |
86478875 JS |
4923 | |
4924 | desc->info.port_speed.capabilities = cpu_to_be16(rdp_cap); | |
4925 | desc->length = cpu_to_be32(sizeof(desc->info)); | |
4926 | } | |
4927 | ||
4928 | void | |
4929 | lpfc_rdp_res_diag_port_names(struct fc_rdp_port_name_desc *desc, | |
4930 | struct lpfc_hba *phba) | |
4931 | { | |
4932 | ||
4933 | desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG); | |
4934 | ||
4935 | memcpy(desc->port_names.wwnn, phba->wwnn, | |
4936 | sizeof(desc->port_names.wwnn)); | |
4937 | ||
4938 | memcpy(desc->port_names.wwpn, &phba->wwpn, | |
4939 | sizeof(desc->port_names.wwpn)); | |
4940 | ||
4941 | desc->length = cpu_to_be32(sizeof(desc->port_names)); | |
4942 | } | |
4943 | ||
4944 | void | |
4945 | lpfc_rdp_res_attach_port_names(struct fc_rdp_port_name_desc *desc, | |
4946 | struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
4947 | { | |
4948 | ||
4949 | desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG); | |
4950 | if (vport->fc_flag & FC_FABRIC) { | |
4951 | memcpy(desc->port_names.wwnn, &vport->fabric_nodename, | |
4952 | sizeof(desc->port_names.wwnn)); | |
4953 | ||
4954 | memcpy(desc->port_names.wwpn, &vport->fabric_portname, | |
4955 | sizeof(desc->port_names.wwpn)); | |
4956 | } else { /* Point to Point */ | |
4957 | memcpy(desc->port_names.wwnn, &ndlp->nlp_nodename, | |
4958 | sizeof(desc->port_names.wwnn)); | |
4959 | ||
4960 | memcpy(desc->port_names.wwnn, &ndlp->nlp_portname, | |
4961 | sizeof(desc->port_names.wwpn)); | |
4962 | } | |
4963 | ||
4964 | desc->length = cpu_to_be32(sizeof(desc->port_names)); | |
4965 | } | |
4966 | ||
4967 | void | |
4968 | lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context, | |
4969 | int status) | |
4970 | { | |
4971 | struct lpfc_nodelist *ndlp = rdp_context->ndlp; | |
4972 | struct lpfc_vport *vport = ndlp->vport; | |
4973 | struct lpfc_iocbq *elsiocb; | |
eb8d68c9 | 4974 | struct ulp_bde64 *bpl; |
86478875 JS |
4975 | IOCB_t *icmd; |
4976 | uint8_t *pcmd; | |
4977 | struct ls_rjt *stat; | |
4978 | struct fc_rdp_res_frame *rdp_res; | |
4979 | uint32_t cmdsize; | |
4258e98e | 4980 | int rc, fec_size; |
86478875 JS |
4981 | |
4982 | if (status != SUCCESS) | |
4983 | goto error; | |
eb8d68c9 JS |
4984 | |
4985 | /* This will change once we know the true size of the RDP payload */ | |
86478875 JS |
4986 | cmdsize = sizeof(struct fc_rdp_res_frame); |
4987 | ||
4988 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, | |
4989 | lpfc_max_els_tries, rdp_context->ndlp, | |
4990 | rdp_context->ndlp->nlp_DID, ELS_CMD_ACC); | |
4991 | lpfc_nlp_put(ndlp); | |
4992 | if (!elsiocb) | |
4993 | goto free_rdp_context; | |
4994 | ||
4995 | icmd = &elsiocb->iocb; | |
4996 | icmd->ulpContext = rdp_context->rx_id; | |
4997 | icmd->unsli3.rcvsli3.ox_id = rdp_context->ox_id; | |
4998 | ||
4999 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
5000 | "2171 Xmit RDP response tag x%x xri x%x, " | |
5001 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x", | |
5002 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
5003 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
5004 | ndlp->nlp_rpi); | |
5005 | rdp_res = (struct fc_rdp_res_frame *) | |
5006 | (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
5007 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
5008 | memset(pcmd, 0, sizeof(struct fc_rdp_res_frame)); | |
5009 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
5010 | ||
5011 | /* For RDP payload */ | |
5012 | lpfc_rdp_res_link_service(&rdp_res->link_service_desc, ELS_CMD_RDP); | |
5013 | ||
5014 | lpfc_rdp_res_sfp_desc(&rdp_res->sfp_desc, | |
5015 | rdp_context->page_a0, rdp_context->page_a2); | |
5016 | lpfc_rdp_res_speed(&rdp_res->portspeed_desc, phba); | |
5017 | lpfc_rdp_res_link_error(&rdp_res->link_error_desc, | |
5018 | &rdp_context->link_stat); | |
5019 | lpfc_rdp_res_diag_port_names(&rdp_res->diag_port_names_desc, phba); | |
5020 | lpfc_rdp_res_attach_port_names(&rdp_res->attached_port_names_desc, | |
5021 | vport, ndlp); | |
56204984 JS |
5022 | lpfc_rdp_res_bbc_desc(&rdp_res->bbc_desc, &rdp_context->link_stat, |
5023 | vport); | |
5024 | lpfc_rdp_res_oed_temp_desc(&rdp_res->oed_temp_desc, | |
5025 | rdp_context->page_a2); | |
5026 | lpfc_rdp_res_oed_voltage_desc(&rdp_res->oed_voltage_desc, | |
5027 | rdp_context->page_a2); | |
5028 | lpfc_rdp_res_oed_txbias_desc(&rdp_res->oed_txbias_desc, | |
5029 | rdp_context->page_a2); | |
5030 | lpfc_rdp_res_oed_txpower_desc(&rdp_res->oed_txpower_desc, | |
5031 | rdp_context->page_a2); | |
5032 | lpfc_rdp_res_oed_rxpower_desc(&rdp_res->oed_rxpower_desc, | |
5033 | rdp_context->page_a2); | |
5034 | lpfc_rdp_res_opd_desc(&rdp_res->opd_desc, rdp_context->page_a0, vport); | |
4258e98e JS |
5035 | fec_size = lpfc_rdp_res_fec_desc(&rdp_res->fec_desc, |
5036 | &rdp_context->link_stat); | |
5037 | rdp_res->length = cpu_to_be32(fec_size + RDP_DESC_PAYLOAD_SIZE); | |
86478875 JS |
5038 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
5039 | ||
eb8d68c9 JS |
5040 | /* Now that we know the true size of the payload, update the BPL */ |
5041 | bpl = (struct ulp_bde64 *) | |
5042 | (((struct lpfc_dmabuf *)(elsiocb->context3))->virt); | |
5043 | bpl->tus.f.bdeSize = (fec_size + RDP_DESC_PAYLOAD_SIZE + 8); | |
5044 | bpl->tus.f.bdeFlags = 0; | |
5045 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
5046 | ||
86478875 JS |
5047 | phba->fc_stat.elsXmitACC++; |
5048 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); | |
5049 | if (rc == IOCB_ERROR) | |
5050 | lpfc_els_free_iocb(phba, elsiocb); | |
5051 | ||
5052 | kfree(rdp_context); | |
5053 | ||
5054 | return; | |
5055 | error: | |
5056 | cmdsize = 2 * sizeof(uint32_t); | |
5057 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, lpfc_max_els_tries, | |
5058 | ndlp, ndlp->nlp_DID, ELS_CMD_LS_RJT); | |
5059 | lpfc_nlp_put(ndlp); | |
5060 | if (!elsiocb) | |
5061 | goto free_rdp_context; | |
5062 | ||
5063 | icmd = &elsiocb->iocb; | |
5064 | icmd->ulpContext = rdp_context->rx_id; | |
5065 | icmd->unsli3.rcvsli3.ox_id = rdp_context->ox_id; | |
5066 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
5067 | ||
5068 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; | |
5069 | stat = (struct ls_rjt *)(pcmd + sizeof(uint32_t)); | |
5070 | stat->un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
5071 | ||
5072 | phba->fc_stat.elsXmitLSRJT++; | |
5073 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; | |
5074 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); | |
5075 | ||
5076 | if (rc == IOCB_ERROR) | |
5077 | lpfc_els_free_iocb(phba, elsiocb); | |
5078 | free_rdp_context: | |
5079 | kfree(rdp_context); | |
5080 | } | |
5081 | ||
5082 | int | |
5083 | lpfc_get_rdp_info(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context) | |
5084 | { | |
5085 | LPFC_MBOXQ_t *mbox = NULL; | |
5086 | int rc; | |
5087 | ||
5088 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5089 | if (!mbox) { | |
5090 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_ELS, | |
5091 | "7105 failed to allocate mailbox memory"); | |
5092 | return 1; | |
5093 | } | |
5094 | ||
5095 | if (lpfc_sli4_dump_page_a0(phba, mbox)) | |
5096 | goto prep_mbox_fail; | |
5097 | mbox->vport = rdp_context->ndlp->vport; | |
5098 | mbox->mbox_cmpl = lpfc_mbx_cmpl_rdp_page_a0; | |
5099 | mbox->context2 = (struct lpfc_rdp_context *) rdp_context; | |
5100 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5101 | if (rc == MBX_NOT_FINISHED) | |
5102 | goto issue_mbox_fail; | |
5103 | ||
5104 | return 0; | |
5105 | ||
5106 | prep_mbox_fail: | |
5107 | issue_mbox_fail: | |
5108 | mempool_free(mbox, phba->mbox_mem_pool); | |
5109 | return 1; | |
5110 | } | |
5111 | ||
5112 | /* | |
5113 | * lpfc_els_rcv_rdp - Process an unsolicited RDP ELS. | |
5114 | * @vport: pointer to a host virtual N_Port data structure. | |
5115 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
5116 | * @ndlp: pointer to a node-list data structure. | |
5117 | * | |
5118 | * This routine processes an unsolicited RDP(Read Diagnostic Parameters) | |
5119 | * IOCB. First, the payload of the unsolicited RDP is checked. | |
5120 | * Then it will (1) send MBX_DUMP_MEMORY, Embedded DMP_LMSD sub command TYPE-3 | |
5121 | * for Page A0, (2) send MBX_DUMP_MEMORY, DMP_LMSD for Page A2, | |
5122 | * (3) send MBX_READ_LNK_STAT to get link stat, (4) Call lpfc_els_rdp_cmpl | |
5123 | * gather all data and send RDP response. | |
5124 | * | |
5125 | * Return code | |
5126 | * 0 - Sent the acc response | |
5127 | * 1 - Sent the reject response. | |
5128 | */ | |
5129 | static int | |
5130 | lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, | |
5131 | struct lpfc_nodelist *ndlp) | |
5132 | { | |
5133 | struct lpfc_hba *phba = vport->phba; | |
5134 | struct lpfc_dmabuf *pcmd; | |
5135 | uint8_t rjt_err, rjt_expl = LSEXP_NOTHING_MORE; | |
5136 | struct fc_rdp_req_frame *rdp_req; | |
5137 | struct lpfc_rdp_context *rdp_context; | |
5138 | IOCB_t *cmd = NULL; | |
5139 | struct ls_rjt stat; | |
5140 | ||
5141 | if (phba->sli_rev < LPFC_SLI_REV4 || | |
5142 | (bf_get(lpfc_sli_intf_if_type, | |
5143 | &phba->sli4_hba.sli_intf) != | |
5144 | LPFC_SLI_INTF_IF_TYPE_2)) { | |
5145 | rjt_err = LSRJT_UNABLE_TPC; | |
5146 | rjt_expl = LSEXP_REQ_UNSUPPORTED; | |
5147 | goto error; | |
5148 | } | |
5149 | ||
5150 | if (phba->sli_rev < LPFC_SLI_REV4 || (phba->hba_flag & HBA_FCOE_MODE)) { | |
5151 | rjt_err = LSRJT_UNABLE_TPC; | |
5152 | rjt_expl = LSEXP_REQ_UNSUPPORTED; | |
5153 | goto error; | |
5154 | } | |
5155 | ||
5156 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
5157 | rdp_req = (struct fc_rdp_req_frame *) pcmd->virt; | |
5158 | ||
5159 | ||
5160 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
5161 | "2422 ELS RDP Request " | |
5162 | "dec len %d tag x%x port_id %d len %d\n", | |
5163 | be32_to_cpu(rdp_req->rdp_des_length), | |
5164 | be32_to_cpu(rdp_req->nport_id_desc.tag), | |
5165 | be32_to_cpu(rdp_req->nport_id_desc.nport_id), | |
5166 | be32_to_cpu(rdp_req->nport_id_desc.length)); | |
5167 | ||
5168 | if (sizeof(struct fc_rdp_nport_desc) != | |
5169 | be32_to_cpu(rdp_req->rdp_des_length)) | |
5170 | goto rjt_logerr; | |
5171 | if (RDP_N_PORT_DESC_TAG != be32_to_cpu(rdp_req->nport_id_desc.tag)) | |
5172 | goto rjt_logerr; | |
5173 | if (RDP_NPORT_ID_SIZE != | |
5174 | be32_to_cpu(rdp_req->nport_id_desc.length)) | |
5175 | goto rjt_logerr; | |
699acd62 | 5176 | rdp_context = kzalloc(sizeof(struct lpfc_rdp_context), GFP_KERNEL); |
86478875 JS |
5177 | if (!rdp_context) { |
5178 | rjt_err = LSRJT_UNABLE_TPC; | |
5179 | goto error; | |
5180 | } | |
5181 | ||
86478875 JS |
5182 | cmd = &cmdiocb->iocb; |
5183 | rdp_context->ndlp = lpfc_nlp_get(ndlp); | |
5184 | rdp_context->ox_id = cmd->unsli3.rcvsli3.ox_id; | |
5185 | rdp_context->rx_id = cmd->ulpContext; | |
5186 | rdp_context->cmpl = lpfc_els_rdp_cmpl; | |
5187 | if (lpfc_get_rdp_info(phba, rdp_context)) { | |
5188 | lpfc_printf_vlog(ndlp->vport, KERN_WARNING, LOG_ELS, | |
5189 | "2423 Unable to send mailbox"); | |
5190 | kfree(rdp_context); | |
5191 | rjt_err = LSRJT_UNABLE_TPC; | |
5192 | lpfc_nlp_put(ndlp); | |
5193 | goto error; | |
5194 | } | |
5195 | ||
5196 | return 0; | |
5197 | ||
5198 | rjt_logerr: | |
5199 | rjt_err = LSRJT_LOGICAL_ERR; | |
5200 | ||
5201 | error: | |
5202 | memset(&stat, 0, sizeof(stat)); | |
5203 | stat.un.b.lsRjtRsnCode = rjt_err; | |
5204 | stat.un.b.lsRjtRsnCodeExp = rjt_expl; | |
5205 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
5206 | return 1; | |
5207 | } | |
5208 | ||
5209 | ||
8b017a30 JS |
5210 | static void |
5211 | lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
5212 | { | |
5213 | MAILBOX_t *mb; | |
5214 | IOCB_t *icmd; | |
5215 | uint8_t *pcmd; | |
5216 | struct lpfc_iocbq *elsiocb; | |
5217 | struct lpfc_nodelist *ndlp; | |
5218 | struct ls_rjt *stat; | |
481ad967 | 5219 | union lpfc_sli4_cfg_shdr *shdr; |
8b017a30 JS |
5220 | struct lpfc_lcb_context *lcb_context; |
5221 | struct fc_lcb_res_frame *lcb_res; | |
481ad967 | 5222 | uint32_t cmdsize, shdr_status, shdr_add_status; |
8b017a30 JS |
5223 | int rc; |
5224 | ||
5225 | mb = &pmb->u.mb; | |
8b017a30 JS |
5226 | lcb_context = (struct lpfc_lcb_context *)pmb->context1; |
5227 | ndlp = lcb_context->ndlp; | |
5228 | pmb->context1 = NULL; | |
5229 | pmb->context2 = NULL; | |
5230 | ||
481ad967 JS |
5231 | shdr = (union lpfc_sli4_cfg_shdr *) |
5232 | &pmb->u.mqe.un.beacon_config.header.cfg_shdr; | |
5233 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5234 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5235 | ||
5236 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX, | |
5237 | "0194 SET_BEACON_CONFIG mailbox " | |
5238 | "completed with status x%x add_status x%x," | |
5239 | " mbx status x%x\n", | |
5240 | shdr_status, shdr_add_status, mb->mbxStatus); | |
5241 | ||
5242 | if (mb->mbxStatus && !(shdr_status && | |
5243 | shdr_add_status == ADD_STATUS_OPERATION_ALREADY_ACTIVE)) { | |
8b017a30 JS |
5244 | mempool_free(pmb, phba->mbox_mem_pool); |
5245 | goto error; | |
5246 | } | |
5247 | ||
5248 | mempool_free(pmb, phba->mbox_mem_pool); | |
8b017a30 JS |
5249 | cmdsize = sizeof(struct fc_lcb_res_frame); |
5250 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, | |
5251 | lpfc_max_els_tries, ndlp, | |
5252 | ndlp->nlp_DID, ELS_CMD_ACC); | |
5253 | ||
5254 | /* Decrement the ndlp reference count from previous mbox command */ | |
5255 | lpfc_nlp_put(ndlp); | |
5256 | ||
5257 | if (!elsiocb) | |
5258 | goto free_lcb_context; | |
5259 | ||
5260 | lcb_res = (struct fc_lcb_res_frame *) | |
5261 | (((struct lpfc_dmabuf *)elsiocb->context2)->virt); | |
5262 | ||
5263 | icmd = &elsiocb->iocb; | |
5264 | icmd->ulpContext = lcb_context->rx_id; | |
5265 | icmd->unsli3.rcvsli3.ox_id = lcb_context->ox_id; | |
5266 | ||
5267 | pcmd = (uint8_t *)(((struct lpfc_dmabuf *)elsiocb->context2)->virt); | |
5268 | *((uint32_t *)(pcmd)) = ELS_CMD_ACC; | |
5269 | lcb_res->lcb_sub_command = lcb_context->sub_command; | |
5270 | lcb_res->lcb_type = lcb_context->type; | |
5271 | lcb_res->lcb_frequency = lcb_context->frequency; | |
5272 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; | |
5273 | phba->fc_stat.elsXmitACC++; | |
5274 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); | |
5275 | if (rc == IOCB_ERROR) | |
5276 | lpfc_els_free_iocb(phba, elsiocb); | |
5277 | ||
5278 | kfree(lcb_context); | |
5279 | return; | |
5280 | ||
5281 | error: | |
5282 | cmdsize = sizeof(struct fc_lcb_res_frame); | |
5283 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, | |
5284 | lpfc_max_els_tries, ndlp, | |
5285 | ndlp->nlp_DID, ELS_CMD_LS_RJT); | |
5286 | lpfc_nlp_put(ndlp); | |
5287 | if (!elsiocb) | |
5288 | goto free_lcb_context; | |
5289 | ||
5290 | icmd = &elsiocb->iocb; | |
5291 | icmd->ulpContext = lcb_context->rx_id; | |
5292 | icmd->unsli3.rcvsli3.ox_id = lcb_context->ox_id; | |
5293 | pcmd = (uint8_t *)(((struct lpfc_dmabuf *)elsiocb->context2)->virt); | |
5294 | ||
5295 | *((uint32_t *)(pcmd)) = ELS_CMD_LS_RJT; | |
5296 | stat = (struct ls_rjt *)(pcmd + sizeof(uint32_t)); | |
5297 | stat->un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
5298 | ||
5299 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; | |
5300 | phba->fc_stat.elsXmitLSRJT++; | |
5301 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); | |
5302 | if (rc == IOCB_ERROR) | |
5303 | lpfc_els_free_iocb(phba, elsiocb); | |
5304 | free_lcb_context: | |
5305 | kfree(lcb_context); | |
5306 | } | |
5307 | ||
5308 | static int | |
5309 | lpfc_sli4_set_beacon(struct lpfc_vport *vport, | |
5310 | struct lpfc_lcb_context *lcb_context, | |
5311 | uint32_t beacon_state) | |
5312 | { | |
5313 | struct lpfc_hba *phba = vport->phba; | |
5314 | LPFC_MBOXQ_t *mbox = NULL; | |
5315 | uint32_t len; | |
5316 | int rc; | |
5317 | ||
5318 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5319 | if (!mbox) | |
5320 | return 1; | |
5321 | ||
5322 | len = sizeof(struct lpfc_mbx_set_beacon_config) - | |
5323 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
5324 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5325 | LPFC_MBOX_OPCODE_SET_BEACON_CONFIG, len, | |
5326 | LPFC_SLI4_MBX_EMBED); | |
5327 | mbox->context1 = (void *)lcb_context; | |
5328 | mbox->vport = phba->pport; | |
5329 | mbox->mbox_cmpl = lpfc_els_lcb_rsp; | |
5330 | bf_set(lpfc_mbx_set_beacon_port_num, &mbox->u.mqe.un.beacon_config, | |
5331 | phba->sli4_hba.physical_port); | |
5332 | bf_set(lpfc_mbx_set_beacon_state, &mbox->u.mqe.un.beacon_config, | |
5333 | beacon_state); | |
5334 | bf_set(lpfc_mbx_set_beacon_port_type, &mbox->u.mqe.un.beacon_config, 1); | |
5335 | bf_set(lpfc_mbx_set_beacon_duration, &mbox->u.mqe.un.beacon_config, 0); | |
5336 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
5337 | if (rc == MBX_NOT_FINISHED) { | |
5338 | mempool_free(mbox, phba->mbox_mem_pool); | |
5339 | return 1; | |
5340 | } | |
5341 | ||
5342 | return 0; | |
5343 | } | |
5344 | ||
5345 | ||
5346 | /** | |
5347 | * lpfc_els_rcv_lcb - Process an unsolicited LCB | |
5348 | * @vport: pointer to a host virtual N_Port data structure. | |
5349 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
5350 | * @ndlp: pointer to a node-list data structure. | |
5351 | * | |
5352 | * This routine processes an unsolicited LCB(LINK CABLE BEACON) IOCB. | |
5353 | * First, the payload of the unsolicited LCB is checked. | |
5354 | * Then based on Subcommand beacon will either turn on or off. | |
5355 | * | |
5356 | * Return code | |
5357 | * 0 - Sent the acc response | |
5358 | * 1 - Sent the reject response. | |
5359 | **/ | |
5360 | static int | |
5361 | lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, | |
5362 | struct lpfc_nodelist *ndlp) | |
5363 | { | |
5364 | struct lpfc_hba *phba = vport->phba; | |
5365 | struct lpfc_dmabuf *pcmd; | |
8b017a30 JS |
5366 | uint8_t *lp; |
5367 | struct fc_lcb_request_frame *beacon; | |
5368 | struct lpfc_lcb_context *lcb_context; | |
5369 | uint8_t state, rjt_err; | |
5370 | struct ls_rjt stat; | |
5371 | ||
8b017a30 JS |
5372 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
5373 | lp = (uint8_t *)pcmd->virt; | |
5374 | beacon = (struct fc_lcb_request_frame *)pcmd->virt; | |
5375 | ||
5376 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
5377 | "0192 ELS LCB Data x%x x%x x%x x%x sub x%x " | |
5378 | "type x%x frequency %x duration x%x\n", | |
5379 | lp[0], lp[1], lp[2], | |
5380 | beacon->lcb_command, | |
5381 | beacon->lcb_sub_command, | |
5382 | beacon->lcb_type, | |
5383 | beacon->lcb_frequency, | |
5384 | be16_to_cpu(beacon->lcb_duration)); | |
5385 | ||
5386 | if (phba->sli_rev < LPFC_SLI_REV4 || | |
5387 | (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != | |
5388 | LPFC_SLI_INTF_IF_TYPE_2)) { | |
5389 | rjt_err = LSRJT_CMD_UNSUPPORTED; | |
5390 | goto rjt; | |
5391 | } | |
8b017a30 JS |
5392 | |
5393 | if (phba->hba_flag & HBA_FCOE_MODE) { | |
5394 | rjt_err = LSRJT_CMD_UNSUPPORTED; | |
5395 | goto rjt; | |
5396 | } | |
5397 | if (beacon->lcb_frequency == 0) { | |
5398 | rjt_err = LSRJT_CMD_UNSUPPORTED; | |
5399 | goto rjt; | |
5400 | } | |
5401 | if ((beacon->lcb_type != LPFC_LCB_GREEN) && | |
5402 | (beacon->lcb_type != LPFC_LCB_AMBER)) { | |
5403 | rjt_err = LSRJT_CMD_UNSUPPORTED; | |
5404 | goto rjt; | |
5405 | } | |
5406 | if ((beacon->lcb_sub_command != LPFC_LCB_ON) && | |
5407 | (beacon->lcb_sub_command != LPFC_LCB_OFF)) { | |
5408 | rjt_err = LSRJT_CMD_UNSUPPORTED; | |
5409 | goto rjt; | |
5410 | } | |
5411 | if ((beacon->lcb_sub_command == LPFC_LCB_ON) && | |
5412 | (beacon->lcb_type != LPFC_LCB_GREEN) && | |
5413 | (beacon->lcb_type != LPFC_LCB_AMBER)) { | |
5414 | rjt_err = LSRJT_CMD_UNSUPPORTED; | |
5415 | goto rjt; | |
5416 | } | |
5417 | if (be16_to_cpu(beacon->lcb_duration) != 0) { | |
5418 | rjt_err = LSRJT_CMD_UNSUPPORTED; | |
5419 | goto rjt; | |
5420 | } | |
5421 | ||
e7950423 SM |
5422 | lcb_context = kmalloc(sizeof(*lcb_context), GFP_KERNEL); |
5423 | if (!lcb_context) { | |
5424 | rjt_err = LSRJT_UNABLE_TPC; | |
5425 | goto rjt; | |
5426 | } | |
5427 | ||
8b017a30 JS |
5428 | state = (beacon->lcb_sub_command == LPFC_LCB_ON) ? 1 : 0; |
5429 | lcb_context->sub_command = beacon->lcb_sub_command; | |
5430 | lcb_context->type = beacon->lcb_type; | |
5431 | lcb_context->frequency = beacon->lcb_frequency; | |
5432 | lcb_context->ox_id = cmdiocb->iocb.unsli3.rcvsli3.ox_id; | |
5433 | lcb_context->rx_id = cmdiocb->iocb.ulpContext; | |
5434 | lcb_context->ndlp = lpfc_nlp_get(ndlp); | |
5435 | if (lpfc_sli4_set_beacon(vport, lcb_context, state)) { | |
5436 | lpfc_printf_vlog(ndlp->vport, KERN_ERR, | |
5437 | LOG_ELS, "0193 failed to send mail box"); | |
e7950423 | 5438 | kfree(lcb_context); |
8b017a30 JS |
5439 | lpfc_nlp_put(ndlp); |
5440 | rjt_err = LSRJT_UNABLE_TPC; | |
5441 | goto rjt; | |
5442 | } | |
5443 | return 0; | |
5444 | rjt: | |
5445 | memset(&stat, 0, sizeof(stat)); | |
5446 | stat.un.b.lsRjtRsnCode = rjt_err; | |
5447 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
5448 | return 1; | |
5449 | } | |
5450 | ||
5451 | ||
e59058c4 | 5452 | /** |
3621a710 | 5453 | * lpfc_els_flush_rscn - Clean up any rscn activities with a vport |
e59058c4 JS |
5454 | * @vport: pointer to a host virtual N_Port data structure. |
5455 | * | |
5456 | * This routine cleans up any Registration State Change Notification | |
5457 | * (RSCN) activity with a @vport. Note that the fc_rscn_flush flag of the | |
5458 | * @vport together with the host_lock is used to prevent multiple thread | |
5459 | * trying to access the RSCN array on a same @vport at the same time. | |
5460 | **/ | |
92d7f7b0 | 5461 | void |
2e0fef85 | 5462 | lpfc_els_flush_rscn(struct lpfc_vport *vport) |
dea3101e | 5463 | { |
2e0fef85 JS |
5464 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
5465 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 5466 | int i; |
5467 | ||
7f5f3d0d JS |
5468 | spin_lock_irq(shost->host_lock); |
5469 | if (vport->fc_rscn_flush) { | |
5470 | /* Another thread is walking fc_rscn_id_list on this vport */ | |
5471 | spin_unlock_irq(shost->host_lock); | |
5472 | return; | |
5473 | } | |
5474 | /* Indicate we are walking lpfc_els_flush_rscn on this vport */ | |
5475 | vport->fc_rscn_flush = 1; | |
5476 | spin_unlock_irq(shost->host_lock); | |
5477 | ||
2e0fef85 | 5478 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
92d7f7b0 | 5479 | lpfc_in_buf_free(phba, vport->fc_rscn_id_list[i]); |
2e0fef85 | 5480 | vport->fc_rscn_id_list[i] = NULL; |
dea3101e | 5481 | } |
2e0fef85 JS |
5482 | spin_lock_irq(shost->host_lock); |
5483 | vport->fc_rscn_id_cnt = 0; | |
5484 | vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); | |
5485 | spin_unlock_irq(shost->host_lock); | |
5486 | lpfc_can_disctmo(vport); | |
7f5f3d0d JS |
5487 | /* Indicate we are done walking this fc_rscn_id_list */ |
5488 | vport->fc_rscn_flush = 0; | |
dea3101e | 5489 | } |
5490 | ||
e59058c4 | 5491 | /** |
3621a710 | 5492 | * lpfc_rscn_payload_check - Check whether there is a pending rscn to a did |
e59058c4 JS |
5493 | * @vport: pointer to a host virtual N_Port data structure. |
5494 | * @did: remote destination port identifier. | |
5495 | * | |
5496 | * This routine checks whether there is any pending Registration State | |
5497 | * Configuration Notification (RSCN) to a @did on @vport. | |
5498 | * | |
5499 | * Return code | |
5500 | * None zero - The @did matched with a pending rscn | |
5501 | * 0 - not able to match @did with a pending rscn | |
5502 | **/ | |
dea3101e | 5503 | int |
2e0fef85 | 5504 | lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) |
dea3101e | 5505 | { |
5506 | D_ID ns_did; | |
5507 | D_ID rscn_did; | |
dea3101e | 5508 | uint32_t *lp; |
92d7f7b0 | 5509 | uint32_t payload_len, i; |
7f5f3d0d | 5510 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 5511 | |
5512 | ns_did.un.word = did; | |
dea3101e | 5513 | |
5514 | /* Never match fabric nodes for RSCNs */ | |
5515 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) | |
2e0fef85 | 5516 | return 0; |
dea3101e | 5517 | |
5518 | /* If we are doing a FULL RSCN rediscovery, match everything */ | |
2e0fef85 | 5519 | if (vport->fc_flag & FC_RSCN_DISCOVERY) |
c9f8735b | 5520 | return did; |
dea3101e | 5521 | |
7f5f3d0d JS |
5522 | spin_lock_irq(shost->host_lock); |
5523 | if (vport->fc_rscn_flush) { | |
5524 | /* Another thread is walking fc_rscn_id_list on this vport */ | |
5525 | spin_unlock_irq(shost->host_lock); | |
5526 | return 0; | |
5527 | } | |
5528 | /* Indicate we are walking fc_rscn_id_list on this vport */ | |
5529 | vport->fc_rscn_flush = 1; | |
5530 | spin_unlock_irq(shost->host_lock); | |
2e0fef85 | 5531 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
92d7f7b0 JS |
5532 | lp = vport->fc_rscn_id_list[i]->virt; |
5533 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); | |
5534 | payload_len -= sizeof(uint32_t); /* take off word 0 */ | |
dea3101e | 5535 | while (payload_len) { |
92d7f7b0 JS |
5536 | rscn_did.un.word = be32_to_cpu(*lp++); |
5537 | payload_len -= sizeof(uint32_t); | |
eaf15d5b JS |
5538 | switch (rscn_did.un.b.resv & RSCN_ADDRESS_FORMAT_MASK) { |
5539 | case RSCN_ADDRESS_FORMAT_PORT: | |
6fb120a7 JS |
5540 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) |
5541 | && (ns_did.un.b.area == rscn_did.un.b.area) | |
5542 | && (ns_did.un.b.id == rscn_did.un.b.id)) | |
7f5f3d0d | 5543 | goto return_did_out; |
dea3101e | 5544 | break; |
eaf15d5b | 5545 | case RSCN_ADDRESS_FORMAT_AREA: |
dea3101e | 5546 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) |
5547 | && (ns_did.un.b.area == rscn_did.un.b.area)) | |
7f5f3d0d | 5548 | goto return_did_out; |
dea3101e | 5549 | break; |
eaf15d5b | 5550 | case RSCN_ADDRESS_FORMAT_DOMAIN: |
dea3101e | 5551 | if (ns_did.un.b.domain == rscn_did.un.b.domain) |
7f5f3d0d | 5552 | goto return_did_out; |
dea3101e | 5553 | break; |
eaf15d5b | 5554 | case RSCN_ADDRESS_FORMAT_FABRIC: |
7f5f3d0d | 5555 | goto return_did_out; |
dea3101e | 5556 | } |
5557 | } | |
92d7f7b0 | 5558 | } |
7f5f3d0d JS |
5559 | /* Indicate we are done with walking fc_rscn_id_list on this vport */ |
5560 | vport->fc_rscn_flush = 0; | |
92d7f7b0 | 5561 | return 0; |
7f5f3d0d JS |
5562 | return_did_out: |
5563 | /* Indicate we are done with walking fc_rscn_id_list on this vport */ | |
5564 | vport->fc_rscn_flush = 0; | |
5565 | return did; | |
dea3101e | 5566 | } |
5567 | ||
e59058c4 | 5568 | /** |
3621a710 | 5569 | * lpfc_rscn_recovery_check - Send recovery event to vport nodes matching rscn |
e59058c4 JS |
5570 | * @vport: pointer to a host virtual N_Port data structure. |
5571 | * | |
5572 | * This routine sends recovery (NLP_EVT_DEVICE_RECOVERY) event to the | |
5573 | * state machine for a @vport's nodes that are with pending RSCN (Registration | |
5574 | * State Change Notification). | |
5575 | * | |
5576 | * Return code | |
5577 | * 0 - Successful (currently alway return 0) | |
5578 | **/ | |
dea3101e | 5579 | static int |
2e0fef85 | 5580 | lpfc_rscn_recovery_check(struct lpfc_vport *vport) |
dea3101e | 5581 | { |
685f0bf7 | 5582 | struct lpfc_nodelist *ndlp = NULL; |
dea3101e | 5583 | |
0d2b6b83 | 5584 | /* Move all affected nodes by pending RSCNs to NPR state. */ |
2e0fef85 | 5585 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
e47c9093 | 5586 | if (!NLP_CHK_NODE_ACT(ndlp) || |
0d2b6b83 JS |
5587 | (ndlp->nlp_state == NLP_STE_UNUSED_NODE) || |
5588 | !lpfc_rscn_payload_check(vport, ndlp->nlp_DID)) | |
685f0bf7 | 5589 | continue; |
2e0fef85 | 5590 | lpfc_disc_state_machine(vport, ndlp, NULL, |
0d2b6b83 JS |
5591 | NLP_EVT_DEVICE_RECOVERY); |
5592 | lpfc_cancel_retry_delay_tmo(vport, ndlp); | |
dea3101e | 5593 | } |
c9f8735b | 5594 | return 0; |
dea3101e | 5595 | } |
5596 | ||
ddcc50f0 | 5597 | /** |
3621a710 | 5598 | * lpfc_send_rscn_event - Send an RSCN event to management application |
ddcc50f0 JS |
5599 | * @vport: pointer to a host virtual N_Port data structure. |
5600 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
5601 | * | |
5602 | * lpfc_send_rscn_event sends an RSCN netlink event to management | |
5603 | * applications. | |
5604 | */ | |
5605 | static void | |
5606 | lpfc_send_rscn_event(struct lpfc_vport *vport, | |
5607 | struct lpfc_iocbq *cmdiocb) | |
5608 | { | |
5609 | struct lpfc_dmabuf *pcmd; | |
5610 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
5611 | uint32_t *payload_ptr; | |
5612 | uint32_t payload_len; | |
5613 | struct lpfc_rscn_event_header *rscn_event_data; | |
5614 | ||
5615 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
5616 | payload_ptr = (uint32_t *) pcmd->virt; | |
5617 | payload_len = be32_to_cpu(*payload_ptr & ~ELS_CMD_MASK); | |
5618 | ||
5619 | rscn_event_data = kmalloc(sizeof(struct lpfc_rscn_event_header) + | |
5620 | payload_len, GFP_KERNEL); | |
5621 | if (!rscn_event_data) { | |
5622 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
5623 | "0147 Failed to allocate memory for RSCN event\n"); | |
5624 | return; | |
5625 | } | |
5626 | rscn_event_data->event_type = FC_REG_RSCN_EVENT; | |
5627 | rscn_event_data->payload_length = payload_len; | |
5628 | memcpy(rscn_event_data->rscn_payload, payload_ptr, | |
5629 | payload_len); | |
5630 | ||
5631 | fc_host_post_vendor_event(shost, | |
5632 | fc_get_event_number(), | |
6599eaaa | 5633 | sizeof(struct lpfc_rscn_event_header) + payload_len, |
ddcc50f0 JS |
5634 | (char *)rscn_event_data, |
5635 | LPFC_NL_VENDOR_ID); | |
5636 | ||
5637 | kfree(rscn_event_data); | |
5638 | } | |
5639 | ||
e59058c4 | 5640 | /** |
3621a710 | 5641 | * lpfc_els_rcv_rscn - Process an unsolicited rscn iocb |
e59058c4 JS |
5642 | * @vport: pointer to a host virtual N_Port data structure. |
5643 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
5644 | * @ndlp: pointer to a node-list data structure. | |
5645 | * | |
5646 | * This routine processes an unsolicited RSCN (Registration State Change | |
5647 | * Notification) IOCB. First, the payload of the unsolicited RSCN is walked | |
5648 | * to invoke fc_host_post_event() routine to the FC transport layer. If the | |
5649 | * discover state machine is about to begin discovery, it just accepts the | |
5650 | * RSCN and the discovery process will satisfy the RSCN. If this RSCN only | |
5651 | * contains N_Port IDs for other vports on this HBA, it just accepts the | |
5652 | * RSCN and ignore processing it. If the state machine is in the recovery | |
5653 | * state, the fc_rscn_id_list of this @vport is walked and the | |
5654 | * lpfc_rscn_recovery_check() routine is invoked to send recovery event for | |
5655 | * all nodes that match RSCN payload. Otherwise, the lpfc_els_handle_rscn() | |
5656 | * routine is invoked to handle the RSCN event. | |
5657 | * | |
5658 | * Return code | |
5659 | * 0 - Just sent the acc response | |
5660 | * 1 - Sent the acc response and waited for name server completion | |
5661 | **/ | |
dea3101e | 5662 | static int |
2e0fef85 | 5663 | lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
51ef4c26 | 5664 | struct lpfc_nodelist *ndlp) |
dea3101e | 5665 | { |
2e0fef85 JS |
5666 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
5667 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 5668 | struct lpfc_dmabuf *pcmd; |
92d7f7b0 | 5669 | uint32_t *lp, *datap; |
92d7f7b0 | 5670 | uint32_t payload_len, length, nportid, *cmd; |
7f5f3d0d | 5671 | int rscn_cnt; |
92d7f7b0 | 5672 | int rscn_id = 0, hba_id = 0; |
d2873e4c | 5673 | int i; |
dea3101e | 5674 | |
dea3101e | 5675 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
5676 | lp = (uint32_t *) pcmd->virt; | |
5677 | ||
92d7f7b0 JS |
5678 | payload_len = be32_to_cpu(*lp++ & ~ELS_CMD_MASK); |
5679 | payload_len -= sizeof(uint32_t); /* take off word 0 */ | |
dea3101e | 5680 | /* RSCN received */ |
e8b62011 JS |
5681 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
5682 | "0214 RSCN received Data: x%x x%x x%x x%x\n", | |
7f5f3d0d JS |
5683 | vport->fc_flag, payload_len, *lp, |
5684 | vport->fc_rscn_id_cnt); | |
ddcc50f0 JS |
5685 | |
5686 | /* Send an RSCN event to the management application */ | |
5687 | lpfc_send_rscn_event(vport, cmdiocb); | |
5688 | ||
d2873e4c | 5689 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
2e0fef85 | 5690 | fc_host_post_event(shost, fc_get_event_number(), |
d2873e4c JS |
5691 | FCH_EVT_RSCN, lp[i]); |
5692 | ||
dea3101e | 5693 | /* If we are about to begin discovery, just ACC the RSCN. |
5694 | * Discovery processing will satisfy it. | |
5695 | */ | |
2e0fef85 | 5696 | if (vport->port_state <= LPFC_NS_QRY) { |
858c9f6c JS |
5697 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
5698 | "RCV RSCN ignore: did:x%x/ste:x%x flg:x%x", | |
5699 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
5700 | ||
51ef4c26 | 5701 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
c9f8735b | 5702 | return 0; |
dea3101e | 5703 | } |
5704 | ||
92d7f7b0 JS |
5705 | /* If this RSCN just contains NPortIDs for other vports on this HBA, |
5706 | * just ACC and ignore it. | |
5707 | */ | |
5708 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && | |
3de2a653 | 5709 | !(vport->cfg_peer_port_login)) { |
92d7f7b0 JS |
5710 | i = payload_len; |
5711 | datap = lp; | |
5712 | while (i > 0) { | |
5713 | nportid = *datap++; | |
5714 | nportid = ((be32_to_cpu(nportid)) & Mask_DID); | |
5715 | i -= sizeof(uint32_t); | |
5716 | rscn_id++; | |
549e55cd JS |
5717 | if (lpfc_find_vport_by_did(phba, nportid)) |
5718 | hba_id++; | |
92d7f7b0 JS |
5719 | } |
5720 | if (rscn_id == hba_id) { | |
5721 | /* ALL NPortIDs in RSCN are on HBA */ | |
e8b62011 | 5722 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
d7c255b2 | 5723 | "0219 Ignore RSCN " |
e8b62011 JS |
5724 | "Data: x%x x%x x%x x%x\n", |
5725 | vport->fc_flag, payload_len, | |
7f5f3d0d | 5726 | *lp, vport->fc_rscn_id_cnt); |
858c9f6c JS |
5727 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
5728 | "RCV RSCN vport: did:x%x/ste:x%x flg:x%x", | |
5729 | ndlp->nlp_DID, vport->port_state, | |
5730 | ndlp->nlp_flag); | |
5731 | ||
92d7f7b0 | 5732 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, |
51ef4c26 | 5733 | ndlp, NULL); |
92d7f7b0 JS |
5734 | return 0; |
5735 | } | |
5736 | } | |
5737 | ||
7f5f3d0d JS |
5738 | spin_lock_irq(shost->host_lock); |
5739 | if (vport->fc_rscn_flush) { | |
5740 | /* Another thread is walking fc_rscn_id_list on this vport */ | |
7f5f3d0d | 5741 | vport->fc_flag |= FC_RSCN_DISCOVERY; |
97957244 | 5742 | spin_unlock_irq(shost->host_lock); |
58da1ffb JS |
5743 | /* Send back ACC */ |
5744 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); | |
7f5f3d0d JS |
5745 | return 0; |
5746 | } | |
5747 | /* Indicate we are walking fc_rscn_id_list on this vport */ | |
5748 | vport->fc_rscn_flush = 1; | |
5749 | spin_unlock_irq(shost->host_lock); | |
af901ca1 | 5750 | /* Get the array count after successfully have the token */ |
7f5f3d0d | 5751 | rscn_cnt = vport->fc_rscn_id_cnt; |
dea3101e | 5752 | /* If we are already processing an RSCN, save the received |
5753 | * RSCN payload buffer, cmdiocb->context2 to process later. | |
5754 | */ | |
2e0fef85 | 5755 | if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { |
858c9f6c JS |
5756 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
5757 | "RCV RSCN defer: did:x%x/ste:x%x flg:x%x", | |
5758 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
5759 | ||
09372820 | 5760 | spin_lock_irq(shost->host_lock); |
92d7f7b0 JS |
5761 | vport->fc_flag |= FC_RSCN_DEFERRED; |
5762 | if ((rscn_cnt < FC_MAX_HOLD_RSCN) && | |
2e0fef85 | 5763 | !(vport->fc_flag & FC_RSCN_DISCOVERY)) { |
2e0fef85 JS |
5764 | vport->fc_flag |= FC_RSCN_MODE; |
5765 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 JS |
5766 | if (rscn_cnt) { |
5767 | cmd = vport->fc_rscn_id_list[rscn_cnt-1]->virt; | |
5768 | length = be32_to_cpu(*cmd & ~ELS_CMD_MASK); | |
5769 | } | |
5770 | if ((rscn_cnt) && | |
5771 | (payload_len + length <= LPFC_BPL_SIZE)) { | |
5772 | *cmd &= ELS_CMD_MASK; | |
7f5f3d0d | 5773 | *cmd |= cpu_to_be32(payload_len + length); |
92d7f7b0 JS |
5774 | memcpy(((uint8_t *)cmd) + length, lp, |
5775 | payload_len); | |
5776 | } else { | |
5777 | vport->fc_rscn_id_list[rscn_cnt] = pcmd; | |
5778 | vport->fc_rscn_id_cnt++; | |
5779 | /* If we zero, cmdiocb->context2, the calling | |
5780 | * routine will not try to free it. | |
5781 | */ | |
5782 | cmdiocb->context2 = NULL; | |
5783 | } | |
dea3101e | 5784 | /* Deferred RSCN */ |
e8b62011 JS |
5785 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
5786 | "0235 Deferred RSCN " | |
5787 | "Data: x%x x%x x%x\n", | |
5788 | vport->fc_rscn_id_cnt, vport->fc_flag, | |
5789 | vport->port_state); | |
dea3101e | 5790 | } else { |
2e0fef85 JS |
5791 | vport->fc_flag |= FC_RSCN_DISCOVERY; |
5792 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 5793 | /* ReDiscovery RSCN */ |
e8b62011 JS |
5794 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
5795 | "0234 ReDiscovery RSCN " | |
5796 | "Data: x%x x%x x%x\n", | |
5797 | vport->fc_rscn_id_cnt, vport->fc_flag, | |
5798 | vport->port_state); | |
dea3101e | 5799 | } |
7f5f3d0d JS |
5800 | /* Indicate we are done walking fc_rscn_id_list on this vport */ |
5801 | vport->fc_rscn_flush = 0; | |
dea3101e | 5802 | /* Send back ACC */ |
51ef4c26 | 5803 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 5804 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
2e0fef85 | 5805 | lpfc_rscn_recovery_check(vport); |
09372820 | 5806 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 5807 | vport->fc_flag &= ~FC_RSCN_DEFERRED; |
09372820 | 5808 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 5809 | return 0; |
dea3101e | 5810 | } |
858c9f6c JS |
5811 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
5812 | "RCV RSCN: did:x%x/ste:x%x flg:x%x", | |
5813 | ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); | |
5814 | ||
2e0fef85 JS |
5815 | spin_lock_irq(shost->host_lock); |
5816 | vport->fc_flag |= FC_RSCN_MODE; | |
5817 | spin_unlock_irq(shost->host_lock); | |
5818 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; | |
7f5f3d0d JS |
5819 | /* Indicate we are done walking fc_rscn_id_list on this vport */ |
5820 | vport->fc_rscn_flush = 0; | |
dea3101e | 5821 | /* |
5822 | * If we zero, cmdiocb->context2, the calling routine will | |
5823 | * not try to free it. | |
5824 | */ | |
5825 | cmdiocb->context2 = NULL; | |
2e0fef85 | 5826 | lpfc_set_disctmo(vport); |
dea3101e | 5827 | /* Send back ACC */ |
51ef4c26 | 5828 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 5829 | /* send RECOVERY event for ALL nodes that match RSCN payload */ |
2e0fef85 | 5830 | lpfc_rscn_recovery_check(vport); |
2e0fef85 | 5831 | return lpfc_els_handle_rscn(vport); |
dea3101e | 5832 | } |
5833 | ||
e59058c4 | 5834 | /** |
3621a710 | 5835 | * lpfc_els_handle_rscn - Handle rscn for a vport |
e59058c4 JS |
5836 | * @vport: pointer to a host virtual N_Port data structure. |
5837 | * | |
5838 | * This routine handles the Registration State Configuration Notification | |
5839 | * (RSCN) for a @vport. If login to NameServer does not exist, a new ndlp shall | |
5840 | * be created and a Port Login (PLOGI) to the NameServer is issued. Otherwise, | |
5841 | * if the ndlp to NameServer exists, a Common Transport (CT) command to the | |
5842 | * NameServer shall be issued. If CT command to the NameServer fails to be | |
5843 | * issued, the lpfc_els_flush_rscn() routine shall be invoked to clean up any | |
5844 | * RSCN activities with the @vport. | |
5845 | * | |
5846 | * Return code | |
5847 | * 0 - Cleaned up rscn on the @vport | |
5848 | * 1 - Wait for plogi to name server before proceed | |
5849 | **/ | |
dea3101e | 5850 | int |
2e0fef85 | 5851 | lpfc_els_handle_rscn(struct lpfc_vport *vport) |
dea3101e | 5852 | { |
5853 | struct lpfc_nodelist *ndlp; | |
2e0fef85 | 5854 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 5855 | |
92d7f7b0 JS |
5856 | /* Ignore RSCN if the port is being torn down. */ |
5857 | if (vport->load_flag & FC_UNLOADING) { | |
5858 | lpfc_els_flush_rscn(vport); | |
5859 | return 0; | |
5860 | } | |
5861 | ||
dea3101e | 5862 | /* Start timer for RSCN processing */ |
2e0fef85 | 5863 | lpfc_set_disctmo(vport); |
dea3101e | 5864 | |
5865 | /* RSCN processed */ | |
e8b62011 JS |
5866 | lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, |
5867 | "0215 RSCN processed Data: x%x x%x x%x x%x\n", | |
5868 | vport->fc_flag, 0, vport->fc_rscn_id_cnt, | |
5869 | vport->port_state); | |
dea3101e | 5870 | |
5871 | /* To process RSCN, first compare RSCN data with NameServer */ | |
2e0fef85 | 5872 | vport->fc_ns_retry = 0; |
0ff10d46 JS |
5873 | vport->num_disc_nodes = 0; |
5874 | ||
2e0fef85 | 5875 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 JS |
5876 | if (ndlp && NLP_CHK_NODE_ACT(ndlp) |
5877 | && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { | |
dea3101e | 5878 | /* Good ndlp, issue CT Request to NameServer */ |
92d7f7b0 | 5879 | if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0) |
dea3101e | 5880 | /* Wait for NameServer query cmpl before we can |
5881 | continue */ | |
c9f8735b | 5882 | return 1; |
dea3101e | 5883 | } else { |
5884 | /* If login to NameServer does not exist, issue one */ | |
5885 | /* Good status, issue PLOGI to NameServer */ | |
2e0fef85 | 5886 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
e47c9093 | 5887 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
dea3101e | 5888 | /* Wait for NameServer login cmpl before we can |
5889 | continue */ | |
c9f8735b | 5890 | return 1; |
2e0fef85 | 5891 | |
e47c9093 JS |
5892 | if (ndlp) { |
5893 | ndlp = lpfc_enable_node(vport, ndlp, | |
5894 | NLP_STE_PLOGI_ISSUE); | |
5895 | if (!ndlp) { | |
5896 | lpfc_els_flush_rscn(vport); | |
5897 | return 0; | |
5898 | } | |
5899 | ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; | |
dea3101e | 5900 | } else { |
e47c9093 JS |
5901 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
5902 | if (!ndlp) { | |
5903 | lpfc_els_flush_rscn(vport); | |
5904 | return 0; | |
5905 | } | |
2e0fef85 | 5906 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
5024ab17 | 5907 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 5908 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
dea3101e | 5909 | } |
e47c9093 JS |
5910 | ndlp->nlp_type |= NLP_FABRIC; |
5911 | lpfc_issue_els_plogi(vport, NameServer_DID, 0); | |
5912 | /* Wait for NameServer login cmpl before we can | |
5913 | * continue | |
5914 | */ | |
5915 | return 1; | |
dea3101e | 5916 | } |
5917 | ||
2e0fef85 | 5918 | lpfc_els_flush_rscn(vport); |
c9f8735b | 5919 | return 0; |
dea3101e | 5920 | } |
5921 | ||
e59058c4 | 5922 | /** |
3621a710 | 5923 | * lpfc_els_rcv_flogi - Process an unsolicited flogi iocb |
e59058c4 JS |
5924 | * @vport: pointer to a host virtual N_Port data structure. |
5925 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
5926 | * @ndlp: pointer to a node-list data structure. | |
5927 | * | |
5928 | * This routine processes Fabric Login (FLOGI) IOCB received as an ELS | |
5929 | * unsolicited event. An unsolicited FLOGI can be received in a point-to- | |
5930 | * point topology. As an unsolicited FLOGI should not be received in a loop | |
5931 | * mode, any unsolicited FLOGI received in loop mode shall be ignored. The | |
5932 | * lpfc_check_sparm() routine is invoked to check the parameters in the | |
5933 | * unsolicited FLOGI. If parameters validation failed, the routine | |
5934 | * lpfc_els_rsp_reject() shall be called with reject reason code set to | |
5935 | * LSEXP_SPARM_OPTIONS to reject the FLOGI. Otherwise, the Port WWN in the | |
5936 | * FLOGI shall be compared with the Port WWN of the @vport to determine who | |
5937 | * will initiate PLOGI. The higher lexicographical value party shall has | |
5938 | * higher priority (as the winning port) and will initiate PLOGI and | |
5939 | * communicate Port_IDs (Addresses) for both nodes in PLOGI. The result | |
5940 | * of this will be marked in the @vport fc_flag field with FC_PT2PT_PLOGI | |
5941 | * and then the lpfc_els_rsp_acc() routine is invoked to accept the FLOGI. | |
5942 | * | |
5943 | * Return code | |
5944 | * 0 - Successfully processed the unsolicited flogi | |
5945 | * 1 - Failed to process the unsolicited flogi | |
5946 | **/ | |
dea3101e | 5947 | static int |
2e0fef85 | 5948 | lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
51ef4c26 | 5949 | struct lpfc_nodelist *ndlp) |
dea3101e | 5950 | { |
2e0fef85 JS |
5951 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
5952 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 5953 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
5954 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
5955 | IOCB_t *icmd = &cmdiocb->iocb; | |
5956 | struct serv_parm *sp; | |
5957 | LPFC_MBOXQ_t *mbox; | |
dea3101e | 5958 | uint32_t cmd, did; |
5959 | int rc; | |
e74c03c8 JS |
5960 | uint32_t fc_flag = 0; |
5961 | uint32_t port_state = 0; | |
dea3101e | 5962 | |
5963 | cmd = *lp++; | |
5964 | sp = (struct serv_parm *) lp; | |
5965 | ||
5966 | /* FLOGI received */ | |
5967 | ||
2e0fef85 | 5968 | lpfc_set_disctmo(vport); |
dea3101e | 5969 | |
76a95d75 | 5970 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
dea3101e | 5971 | /* We should never receive a FLOGI in loop mode, ignore it */ |
5972 | did = icmd->un.elsreq64.remoteID; | |
5973 | ||
5974 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in | |
5975 | Loop Mode */ | |
e8b62011 JS |
5976 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
5977 | "0113 An FLOGI ELS command x%x was " | |
5978 | "received from DID x%x in Loop Mode\n", | |
5979 | cmd, did); | |
c9f8735b | 5980 | return 1; |
dea3101e | 5981 | } |
5982 | ||
d6de08cc | 5983 | (void) lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1); |
dea3101e | 5984 | |
dea3101e | 5985 | |
d6de08cc JS |
5986 | /* |
5987 | * If our portname is greater than the remote portname, | |
5988 | * then we initiate Nport login. | |
5989 | */ | |
939723a4 | 5990 | |
d6de08cc JS |
5991 | rc = memcmp(&vport->fc_portname, &sp->portName, |
5992 | sizeof(struct lpfc_name)); | |
939723a4 | 5993 | |
d6de08cc JS |
5994 | if (!rc) { |
5995 | if (phba->sli_rev < LPFC_SLI_REV4) { | |
5996 | mbox = mempool_alloc(phba->mbox_mem_pool, | |
5997 | GFP_KERNEL); | |
5998 | if (!mbox) | |
5999 | return 1; | |
6000 | lpfc_linkdown(phba); | |
6001 | lpfc_init_link(phba, mbox, | |
6002 | phba->cfg_topology, | |
6003 | phba->cfg_link_speed); | |
6004 | mbox->u.mb.un.varInitLnk.lipsr_AL_PA = 0; | |
6005 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6006 | mbox->vport = vport; | |
6007 | rc = lpfc_sli_issue_mbox(phba, mbox, | |
6008 | MBX_NOWAIT); | |
6009 | lpfc_set_loopback_flag(phba); | |
6010 | if (rc == MBX_NOT_FINISHED) | |
6011 | mempool_free(mbox, phba->mbox_mem_pool); | |
6012 | return 1; | |
6013 | } | |
6014 | ||
6015 | /* abort the flogi coming back to ourselves | |
6016 | * due to external loopback on the port. | |
939723a4 | 6017 | */ |
d6de08cc JS |
6018 | lpfc_els_abort_flogi(phba); |
6019 | return 0; | |
6020 | ||
6021 | } else if (rc > 0) { /* greater than */ | |
2e0fef85 | 6022 | spin_lock_irq(shost->host_lock); |
d6de08cc | 6023 | vport->fc_flag |= FC_PT2PT_PLOGI; |
2e0fef85 | 6024 | spin_unlock_irq(shost->host_lock); |
939723a4 | 6025 | |
d6de08cc JS |
6026 | /* If we have the high WWPN we can assign our own |
6027 | * myDID; otherwise, we have to WAIT for a PLOGI | |
6028 | * from the remote NPort to find out what it | |
6029 | * will be. | |
939723a4 | 6030 | */ |
d6de08cc | 6031 | vport->fc_myDID = PT2PT_LocalID; |
dea3101e | 6032 | } else { |
d6de08cc JS |
6033 | vport->fc_myDID = PT2PT_RemoteID; |
6034 | } | |
939723a4 | 6035 | |
d6de08cc JS |
6036 | /* |
6037 | * The vport state should go to LPFC_FLOGI only | |
6038 | * AFTER we issue a FLOGI, not receive one. | |
6039 | */ | |
6040 | spin_lock_irq(shost->host_lock); | |
6041 | fc_flag = vport->fc_flag; | |
6042 | port_state = vport->port_state; | |
6043 | vport->fc_flag |= FC_PT2PT; | |
6044 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
6045 | spin_unlock_irq(shost->host_lock); | |
6046 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
6047 | "3311 Rcv Flogi PS x%x new PS x%x " | |
6048 | "fc_flag x%x new fc_flag x%x\n", | |
6049 | port_state, vport->port_state, | |
6050 | fc_flag, vport->fc_flag); | |
939723a4 | 6051 | |
d6de08cc JS |
6052 | /* |
6053 | * We temporarily set fc_myDID to make it look like we are | |
6054 | * a Fabric. This is done just so we end up with the right | |
6055 | * did / sid on the FLOGI ACC rsp. | |
6056 | */ | |
6057 | did = vport->fc_myDID; | |
6058 | vport->fc_myDID = Fabric_DID; | |
dea3101e | 6059 | |
d6de08cc | 6060 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); |
eec3d312 | 6061 | |
dea3101e | 6062 | /* Send back ACC */ |
d6de08cc | 6063 | lpfc_els_rsp_acc(vport, ELS_CMD_FLOGI, cmdiocb, ndlp, NULL); |
dea3101e | 6064 | |
939723a4 JS |
6065 | /* Now lets put fc_myDID back to what its supposed to be */ |
6066 | vport->fc_myDID = did; | |
6067 | ||
c9f8735b | 6068 | return 0; |
dea3101e | 6069 | } |
6070 | ||
e59058c4 | 6071 | /** |
3621a710 | 6072 | * lpfc_els_rcv_rnid - Process an unsolicited rnid iocb |
e59058c4 JS |
6073 | * @vport: pointer to a host virtual N_Port data structure. |
6074 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6075 | * @ndlp: pointer to a node-list data structure. | |
6076 | * | |
6077 | * This routine processes Request Node Identification Data (RNID) IOCB | |
6078 | * received as an ELS unsolicited event. Only when the RNID specified format | |
6079 | * 0x0 or 0xDF (Topology Discovery Specific Node Identification Data) | |
6080 | * present, this routine will invoke the lpfc_els_rsp_rnid_acc() routine to | |
6081 | * Accept (ACC) the RNID ELS command. All the other RNID formats are | |
6082 | * rejected by invoking the lpfc_els_rsp_reject() routine. | |
6083 | * | |
6084 | * Return code | |
6085 | * 0 - Successfully processed rnid iocb (currently always return 0) | |
6086 | **/ | |
dea3101e | 6087 | static int |
2e0fef85 JS |
6088 | lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
6089 | struct lpfc_nodelist *ndlp) | |
dea3101e | 6090 | { |
6091 | struct lpfc_dmabuf *pcmd; | |
6092 | uint32_t *lp; | |
dea3101e | 6093 | RNID *rn; |
6094 | struct ls_rjt stat; | |
eb016566 | 6095 | uint32_t cmd; |
dea3101e | 6096 | |
dea3101e | 6097 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
6098 | lp = (uint32_t *) pcmd->virt; | |
6099 | ||
6100 | cmd = *lp++; | |
6101 | rn = (RNID *) lp; | |
6102 | ||
6103 | /* RNID received */ | |
6104 | ||
6105 | switch (rn->Format) { | |
6106 | case 0: | |
6107 | case RNID_TOPOLOGY_DISC: | |
6108 | /* Send back ACC */ | |
2e0fef85 | 6109 | lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp); |
dea3101e | 6110 | break; |
6111 | default: | |
6112 | /* Reject this request because format not supported */ | |
6113 | stat.un.b.lsRjtRsvd0 = 0; | |
6114 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
6115 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
6116 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
6117 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
6118 | NULL); | |
dea3101e | 6119 | } |
c9f8735b | 6120 | return 0; |
dea3101e | 6121 | } |
6122 | ||
12265f68 JS |
6123 | /** |
6124 | * lpfc_els_rcv_echo - Process an unsolicited echo iocb | |
6125 | * @vport: pointer to a host virtual N_Port data structure. | |
6126 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6127 | * @ndlp: pointer to a node-list data structure. | |
6128 | * | |
6129 | * Return code | |
6130 | * 0 - Successfully processed echo iocb (currently always return 0) | |
6131 | **/ | |
6132 | static int | |
6133 | lpfc_els_rcv_echo(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, | |
6134 | struct lpfc_nodelist *ndlp) | |
6135 | { | |
6136 | uint8_t *pcmd; | |
6137 | ||
6138 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt); | |
6139 | ||
6140 | /* skip over first word of echo command to find echo data */ | |
6141 | pcmd += sizeof(uint32_t); | |
6142 | ||
6143 | lpfc_els_rsp_echo_acc(vport, pcmd, cmdiocb, ndlp); | |
6144 | return 0; | |
6145 | } | |
6146 | ||
e59058c4 | 6147 | /** |
3621a710 | 6148 | * lpfc_els_rcv_lirr - Process an unsolicited lirr iocb |
e59058c4 JS |
6149 | * @vport: pointer to a host virtual N_Port data structure. |
6150 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6151 | * @ndlp: pointer to a node-list data structure. | |
6152 | * | |
6153 | * This routine processes a Link Incident Report Registration(LIRR) IOCB | |
6154 | * received as an ELS unsolicited event. Currently, this function just invokes | |
6155 | * the lpfc_els_rsp_reject() routine to reject the LIRR IOCB unconditionally. | |
6156 | * | |
6157 | * Return code | |
6158 | * 0 - Successfully processed lirr iocb (currently always return 0) | |
6159 | **/ | |
dea3101e | 6160 | static int |
2e0fef85 JS |
6161 | lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
6162 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
6163 | { |
6164 | struct ls_rjt stat; | |
6165 | ||
6166 | /* For now, unconditionally reject this command */ | |
6167 | stat.un.b.lsRjtRsvd0 = 0; | |
6168 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
6169 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
6170 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 6171 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
7bb3b137 JW |
6172 | return 0; |
6173 | } | |
6174 | ||
5ffc266e JS |
6175 | /** |
6176 | * lpfc_els_rcv_rrq - Process an unsolicited rrq iocb | |
6177 | * @vport: pointer to a host virtual N_Port data structure. | |
6178 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6179 | * @ndlp: pointer to a node-list data structure. | |
6180 | * | |
6181 | * This routine processes a Reinstate Recovery Qualifier (RRQ) IOCB | |
6182 | * received as an ELS unsolicited event. A request to RRQ shall only | |
6183 | * be accepted if the Originator Nx_Port N_Port_ID or the Responder | |
6184 | * Nx_Port N_Port_ID of the target Exchange is the same as the | |
6185 | * N_Port_ID of the Nx_Port that makes the request. If the RRQ is | |
6186 | * not accepted, an LS_RJT with reason code "Unable to perform | |
6187 | * command request" and reason code explanation "Invalid Originator | |
6188 | * S_ID" shall be returned. For now, we just unconditionally accept | |
6189 | * RRQ from the target. | |
6190 | **/ | |
6191 | static void | |
6192 | lpfc_els_rcv_rrq(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, | |
6193 | struct lpfc_nodelist *ndlp) | |
6194 | { | |
6195 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); | |
19ca7609 JS |
6196 | if (vport->phba->sli_rev == LPFC_SLI_REV4) |
6197 | lpfc_els_clear_rrq(vport, cmdiocb, ndlp); | |
5ffc266e JS |
6198 | } |
6199 | ||
12265f68 JS |
6200 | /** |
6201 | * lpfc_els_rsp_rls_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd | |
6202 | * @phba: pointer to lpfc hba data structure. | |
6203 | * @pmb: pointer to the driver internal queue element for mailbox command. | |
6204 | * | |
6205 | * This routine is the completion callback function for the MBX_READ_LNK_STAT | |
6206 | * mailbox command. This callback function is to actually send the Accept | |
6207 | * (ACC) response to a Read Port Status (RPS) unsolicited IOCB event. It | |
6208 | * collects the link statistics from the completion of the MBX_READ_LNK_STAT | |
6209 | * mailbox command, constructs the RPS response with the link statistics | |
6210 | * collected, and then invokes the lpfc_sli_issue_iocb() routine to send ACC | |
6211 | * response to the RPS. | |
6212 | * | |
6213 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
6214 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
6215 | * will be stored into the context1 field of the IOCB for the completion | |
6216 | * callback function to the RPS Accept Response ELS IOCB command. | |
6217 | * | |
6218 | **/ | |
6219 | static void | |
6220 | lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
6221 | { | |
6222 | MAILBOX_t *mb; | |
6223 | IOCB_t *icmd; | |
6224 | struct RLS_RSP *rls_rsp; | |
6225 | uint8_t *pcmd; | |
6226 | struct lpfc_iocbq *elsiocb; | |
6227 | struct lpfc_nodelist *ndlp; | |
7851fe2c JS |
6228 | uint16_t oxid; |
6229 | uint16_t rxid; | |
12265f68 JS |
6230 | uint32_t cmdsize; |
6231 | ||
6232 | mb = &pmb->u.mb; | |
6233 | ||
6234 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
7851fe2c JS |
6235 | rxid = (uint16_t) ((unsigned long)(pmb->context1) & 0xffff); |
6236 | oxid = (uint16_t) (((unsigned long)(pmb->context1) >> 16) & 0xffff); | |
12265f68 JS |
6237 | pmb->context1 = NULL; |
6238 | pmb->context2 = NULL; | |
6239 | ||
6240 | if (mb->mbxStatus) { | |
6241 | mempool_free(pmb, phba->mbox_mem_pool); | |
6242 | return; | |
6243 | } | |
6244 | ||
6245 | cmdsize = sizeof(struct RLS_RSP) + sizeof(uint32_t); | |
12265f68 JS |
6246 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, |
6247 | lpfc_max_els_tries, ndlp, | |
6248 | ndlp->nlp_DID, ELS_CMD_ACC); | |
6249 | ||
6250 | /* Decrement the ndlp reference count from previous mbox command */ | |
6251 | lpfc_nlp_put(ndlp); | |
6252 | ||
37db57e3 JS |
6253 | if (!elsiocb) { |
6254 | mempool_free(pmb, phba->mbox_mem_pool); | |
12265f68 | 6255 | return; |
37db57e3 | 6256 | } |
12265f68 JS |
6257 | |
6258 | icmd = &elsiocb->iocb; | |
7851fe2c JS |
6259 | icmd->ulpContext = rxid; |
6260 | icmd->unsli3.rcvsli3.ox_id = oxid; | |
12265f68 JS |
6261 | |
6262 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
6263 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
6264 | pcmd += sizeof(uint32_t); /* Skip past command */ | |
6265 | rls_rsp = (struct RLS_RSP *)pcmd; | |
6266 | ||
6267 | rls_rsp->linkFailureCnt = cpu_to_be32(mb->un.varRdLnk.linkFailureCnt); | |
6268 | rls_rsp->lossSyncCnt = cpu_to_be32(mb->un.varRdLnk.lossSyncCnt); | |
6269 | rls_rsp->lossSignalCnt = cpu_to_be32(mb->un.varRdLnk.lossSignalCnt); | |
6270 | rls_rsp->primSeqErrCnt = cpu_to_be32(mb->un.varRdLnk.primSeqErrCnt); | |
6271 | rls_rsp->invalidXmitWord = cpu_to_be32(mb->un.varRdLnk.invalidXmitWord); | |
6272 | rls_rsp->crcCnt = cpu_to_be32(mb->un.varRdLnk.crcCnt); | |
37db57e3 | 6273 | mempool_free(pmb, phba->mbox_mem_pool); |
12265f68 JS |
6274 | /* Xmit ELS RLS ACC response tag <ulpIoTag> */ |
6275 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, | |
6276 | "2874 Xmit ELS RLS ACC response tag x%x xri x%x, " | |
6277 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
6278 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
6279 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
6280 | ndlp->nlp_rpi); | |
6281 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; | |
6282 | phba->fc_stat.elsXmitACC++; | |
6283 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == IOCB_ERROR) | |
6284 | lpfc_els_free_iocb(phba, elsiocb); | |
6285 | } | |
6286 | ||
e59058c4 | 6287 | /** |
3621a710 | 6288 | * lpfc_els_rsp_rps_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd |
e59058c4 JS |
6289 | * @phba: pointer to lpfc hba data structure. |
6290 | * @pmb: pointer to the driver internal queue element for mailbox command. | |
6291 | * | |
6292 | * This routine is the completion callback function for the MBX_READ_LNK_STAT | |
6293 | * mailbox command. This callback function is to actually send the Accept | |
6294 | * (ACC) response to a Read Port Status (RPS) unsolicited IOCB event. It | |
6295 | * collects the link statistics from the completion of the MBX_READ_LNK_STAT | |
6296 | * mailbox command, constructs the RPS response with the link statistics | |
6297 | * collected, and then invokes the lpfc_sli_issue_iocb() routine to send ACC | |
6298 | * response to the RPS. | |
6299 | * | |
6300 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
6301 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
6302 | * will be stored into the context1 field of the IOCB for the completion | |
6303 | * callback function to the RPS Accept Response ELS IOCB command. | |
6304 | * | |
6305 | **/ | |
082c0266 | 6306 | static void |
329f9bc7 | 6307 | lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
7bb3b137 | 6308 | { |
7bb3b137 JW |
6309 | MAILBOX_t *mb; |
6310 | IOCB_t *icmd; | |
6311 | RPS_RSP *rps_rsp; | |
6312 | uint8_t *pcmd; | |
6313 | struct lpfc_iocbq *elsiocb; | |
6314 | struct lpfc_nodelist *ndlp; | |
7851fe2c JS |
6315 | uint16_t status; |
6316 | uint16_t oxid; | |
6317 | uint16_t rxid; | |
7bb3b137 JW |
6318 | uint32_t cmdsize; |
6319 | ||
04c68496 | 6320 | mb = &pmb->u.mb; |
7bb3b137 JW |
6321 | |
6322 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
7851fe2c JS |
6323 | rxid = (uint16_t) ((unsigned long)(pmb->context1) & 0xffff); |
6324 | oxid = (uint16_t) (((unsigned long)(pmb->context1) >> 16) & 0xffff); | |
041976fb RD |
6325 | pmb->context1 = NULL; |
6326 | pmb->context2 = NULL; | |
7bb3b137 JW |
6327 | |
6328 | if (mb->mbxStatus) { | |
329f9bc7 | 6329 | mempool_free(pmb, phba->mbox_mem_pool); |
7bb3b137 JW |
6330 | return; |
6331 | } | |
6332 | ||
6333 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); | |
329f9bc7 | 6334 | mempool_free(pmb, phba->mbox_mem_pool); |
2e0fef85 JS |
6335 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, |
6336 | lpfc_max_els_tries, ndlp, | |
6337 | ndlp->nlp_DID, ELS_CMD_ACC); | |
fa4066b6 JS |
6338 | |
6339 | /* Decrement the ndlp reference count from previous mbox command */ | |
329f9bc7 | 6340 | lpfc_nlp_put(ndlp); |
fa4066b6 | 6341 | |
c9f8735b | 6342 | if (!elsiocb) |
7bb3b137 | 6343 | return; |
7bb3b137 JW |
6344 | |
6345 | icmd = &elsiocb->iocb; | |
7851fe2c JS |
6346 | icmd->ulpContext = rxid; |
6347 | icmd->unsli3.rcvsli3.ox_id = oxid; | |
7bb3b137 JW |
6348 | |
6349 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
6350 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 6351 | pcmd += sizeof(uint32_t); /* Skip past command */ |
7bb3b137 JW |
6352 | rps_rsp = (RPS_RSP *)pcmd; |
6353 | ||
76a95d75 | 6354 | if (phba->fc_topology != LPFC_TOPOLOGY_LOOP) |
7bb3b137 JW |
6355 | status = 0x10; |
6356 | else | |
6357 | status = 0x8; | |
2e0fef85 | 6358 | if (phba->pport->fc_flag & FC_FABRIC) |
7bb3b137 JW |
6359 | status |= 0x4; |
6360 | ||
6361 | rps_rsp->rsvd1 = 0; | |
09372820 JS |
6362 | rps_rsp->portStatus = cpu_to_be16(status); |
6363 | rps_rsp->linkFailureCnt = cpu_to_be32(mb->un.varRdLnk.linkFailureCnt); | |
6364 | rps_rsp->lossSyncCnt = cpu_to_be32(mb->un.varRdLnk.lossSyncCnt); | |
6365 | rps_rsp->lossSignalCnt = cpu_to_be32(mb->un.varRdLnk.lossSignalCnt); | |
6366 | rps_rsp->primSeqErrCnt = cpu_to_be32(mb->un.varRdLnk.primSeqErrCnt); | |
6367 | rps_rsp->invalidXmitWord = cpu_to_be32(mb->un.varRdLnk.invalidXmitWord); | |
6368 | rps_rsp->crcCnt = cpu_to_be32(mb->un.varRdLnk.crcCnt); | |
7bb3b137 | 6369 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ |
e8b62011 JS |
6370 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, |
6371 | "0118 Xmit ELS RPS ACC response tag x%x xri x%x, " | |
6372 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
6373 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
6374 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
6375 | ndlp->nlp_rpi); | |
858c9f6c | 6376 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
7bb3b137 | 6377 | phba->fc_stat.elsXmitACC++; |
3772a991 | 6378 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == IOCB_ERROR) |
7bb3b137 | 6379 | lpfc_els_free_iocb(phba, elsiocb); |
7bb3b137 JW |
6380 | return; |
6381 | } | |
6382 | ||
e59058c4 | 6383 | /** |
12265f68 JS |
6384 | * lpfc_els_rcv_rls - Process an unsolicited rls iocb |
6385 | * @vport: pointer to a host virtual N_Port data structure. | |
6386 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6387 | * @ndlp: pointer to a node-list data structure. | |
6388 | * | |
6389 | * This routine processes Read Port Status (RPL) IOCB received as an | |
6390 | * ELS unsolicited event. It first checks the remote port state. If the | |
6391 | * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE | |
6392 | * state, it invokes the lpfc_els_rsl_reject() routine to send the reject | |
6393 | * response. Otherwise, it issue the MBX_READ_LNK_STAT mailbox command | |
6394 | * for reading the HBA link statistics. It is for the callback function, | |
6395 | * lpfc_els_rsp_rls_acc(), set to the MBX_READ_LNK_STAT mailbox command | |
6396 | * to actually sending out RPL Accept (ACC) response. | |
6397 | * | |
6398 | * Return codes | |
6399 | * 0 - Successfully processed rls iocb (currently always return 0) | |
6400 | **/ | |
6401 | static int | |
6402 | lpfc_els_rcv_rls(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, | |
6403 | struct lpfc_nodelist *ndlp) | |
6404 | { | |
6405 | struct lpfc_hba *phba = vport->phba; | |
6406 | LPFC_MBOXQ_t *mbox; | |
12265f68 JS |
6407 | struct ls_rjt stat; |
6408 | ||
6409 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && | |
6410 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) | |
6411 | /* reject the unsolicited RPS request and done with it */ | |
6412 | goto reject_out; | |
6413 | ||
12265f68 JS |
6414 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); |
6415 | if (mbox) { | |
6416 | lpfc_read_lnk_stat(phba, mbox); | |
7851fe2c JS |
6417 | mbox->context1 = (void *)((unsigned long) |
6418 | ((cmdiocb->iocb.unsli3.rcvsli3.ox_id << 16) | | |
6419 | cmdiocb->iocb.ulpContext)); /* rx_id */ | |
12265f68 JS |
6420 | mbox->context2 = lpfc_nlp_get(ndlp); |
6421 | mbox->vport = vport; | |
6422 | mbox->mbox_cmpl = lpfc_els_rsp_rls_acc; | |
6423 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) | |
6424 | != MBX_NOT_FINISHED) | |
6425 | /* Mbox completion will send ELS Response */ | |
6426 | return 0; | |
6427 | /* Decrement reference count used for the failed mbox | |
6428 | * command. | |
6429 | */ | |
6430 | lpfc_nlp_put(ndlp); | |
6431 | mempool_free(mbox, phba->mbox_mem_pool); | |
6432 | } | |
6433 | reject_out: | |
6434 | /* issue rejection response */ | |
6435 | stat.un.b.lsRjtRsvd0 = 0; | |
6436 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
6437 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
6438 | stat.un.b.vendorUnique = 0; | |
6439 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
6440 | return 0; | |
6441 | } | |
6442 | ||
6443 | /** | |
6444 | * lpfc_els_rcv_rtv - Process an unsolicited rtv iocb | |
6445 | * @vport: pointer to a host virtual N_Port data structure. | |
6446 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6447 | * @ndlp: pointer to a node-list data structure. | |
6448 | * | |
6449 | * This routine processes Read Timout Value (RTV) IOCB received as an | |
6450 | * ELS unsolicited event. It first checks the remote port state. If the | |
6451 | * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE | |
6452 | * state, it invokes the lpfc_els_rsl_reject() routine to send the reject | |
6453 | * response. Otherwise, it sends the Accept(ACC) response to a Read Timeout | |
6454 | * Value (RTV) unsolicited IOCB event. | |
6455 | * | |
6456 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
6457 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
6458 | * will be stored into the context1 field of the IOCB for the completion | |
6459 | * callback function to the RPS Accept Response ELS IOCB command. | |
6460 | * | |
6461 | * Return codes | |
6462 | * 0 - Successfully processed rtv iocb (currently always return 0) | |
6463 | **/ | |
6464 | static int | |
6465 | lpfc_els_rcv_rtv(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, | |
6466 | struct lpfc_nodelist *ndlp) | |
6467 | { | |
6468 | struct lpfc_hba *phba = vport->phba; | |
6469 | struct ls_rjt stat; | |
6470 | struct RTV_RSP *rtv_rsp; | |
6471 | uint8_t *pcmd; | |
6472 | struct lpfc_iocbq *elsiocb; | |
6473 | uint32_t cmdsize; | |
6474 | ||
6475 | ||
6476 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && | |
6477 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) | |
6478 | /* reject the unsolicited RPS request and done with it */ | |
6479 | goto reject_out; | |
6480 | ||
6481 | cmdsize = sizeof(struct RTV_RSP) + sizeof(uint32_t); | |
6482 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, | |
6483 | lpfc_max_els_tries, ndlp, | |
6484 | ndlp->nlp_DID, ELS_CMD_ACC); | |
6485 | ||
6486 | if (!elsiocb) | |
6487 | return 1; | |
6488 | ||
6489 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
6490 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
6491 | pcmd += sizeof(uint32_t); /* Skip past command */ | |
6492 | ||
6493 | /* use the command's xri in the response */ | |
7851fe2c JS |
6494 | elsiocb->iocb.ulpContext = cmdiocb->iocb.ulpContext; /* Xri / rx_id */ |
6495 | elsiocb->iocb.unsli3.rcvsli3.ox_id = cmdiocb->iocb.unsli3.rcvsli3.ox_id; | |
12265f68 JS |
6496 | |
6497 | rtv_rsp = (struct RTV_RSP *)pcmd; | |
6498 | ||
6499 | /* populate RTV payload */ | |
6500 | rtv_rsp->ratov = cpu_to_be32(phba->fc_ratov * 1000); /* report msecs */ | |
6501 | rtv_rsp->edtov = cpu_to_be32(phba->fc_edtov); | |
6502 | bf_set(qtov_edtovres, rtv_rsp, phba->fc_edtovResol ? 1 : 0); | |
6503 | bf_set(qtov_rttov, rtv_rsp, 0); /* Field is for FC ONLY */ | |
6504 | rtv_rsp->qtov = cpu_to_be32(rtv_rsp->qtov); | |
6505 | ||
6506 | /* Xmit ELS RLS ACC response tag <ulpIoTag> */ | |
6507 | lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, | |
6508 | "2875 Xmit ELS RTV ACC response tag x%x xri x%x, " | |
6509 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x, " | |
6510 | "Data: x%x x%x x%x\n", | |
6511 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
6512 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
6513 | ndlp->nlp_rpi, | |
6514 | rtv_rsp->ratov, rtv_rsp->edtov, rtv_rsp->qtov); | |
6515 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; | |
6516 | phba->fc_stat.elsXmitACC++; | |
6517 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == IOCB_ERROR) | |
6518 | lpfc_els_free_iocb(phba, elsiocb); | |
6519 | return 0; | |
6520 | ||
6521 | reject_out: | |
6522 | /* issue rejection response */ | |
6523 | stat.un.b.lsRjtRsvd0 = 0; | |
6524 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
6525 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
6526 | stat.un.b.vendorUnique = 0; | |
6527 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); | |
6528 | return 0; | |
6529 | } | |
6530 | ||
6531 | /* lpfc_els_rcv_rps - Process an unsolicited rps iocb | |
e59058c4 JS |
6532 | * @vport: pointer to a host virtual N_Port data structure. |
6533 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6534 | * @ndlp: pointer to a node-list data structure. | |
6535 | * | |
6536 | * This routine processes Read Port Status (RPS) IOCB received as an | |
6537 | * ELS unsolicited event. It first checks the remote port state. If the | |
6538 | * remote port is not in NLP_STE_UNMAPPED_NODE state or NLP_STE_MAPPED_NODE | |
6539 | * state, it invokes the lpfc_els_rsp_reject() routine to send the reject | |
6540 | * response. Otherwise, it issue the MBX_READ_LNK_STAT mailbox command | |
6541 | * for reading the HBA link statistics. It is for the callback function, | |
6542 | * lpfc_els_rsp_rps_acc(), set to the MBX_READ_LNK_STAT mailbox command | |
6543 | * to actually sending out RPS Accept (ACC) response. | |
6544 | * | |
6545 | * Return codes | |
6546 | * 0 - Successfully processed rps iocb (currently always return 0) | |
6547 | **/ | |
7bb3b137 | 6548 | static int |
2e0fef85 JS |
6549 | lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
6550 | struct lpfc_nodelist *ndlp) | |
dea3101e | 6551 | { |
2e0fef85 | 6552 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 6553 | uint32_t *lp; |
7bb3b137 JW |
6554 | uint8_t flag; |
6555 | LPFC_MBOXQ_t *mbox; | |
6556 | struct lpfc_dmabuf *pcmd; | |
6557 | RPS *rps; | |
6558 | struct ls_rjt stat; | |
6559 | ||
2fe165b6 | 6560 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
90160e01 JS |
6561 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) |
6562 | /* reject the unsolicited RPS request and done with it */ | |
6563 | goto reject_out; | |
7bb3b137 JW |
6564 | |
6565 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
6566 | lp = (uint32_t *) pcmd->virt; | |
6567 | flag = (be32_to_cpu(*lp++) & 0xf); | |
6568 | rps = (RPS *) lp; | |
6569 | ||
6570 | if ((flag == 0) || | |
6571 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || | |
2e0fef85 | 6572 | ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname, |
92d7f7b0 | 6573 | sizeof(struct lpfc_name)) == 0))) { |
2e0fef85 | 6574 | |
92d7f7b0 JS |
6575 | printk("Fix me....\n"); |
6576 | dump_stack(); | |
2e0fef85 JS |
6577 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); |
6578 | if (mbox) { | |
7bb3b137 | 6579 | lpfc_read_lnk_stat(phba, mbox); |
7851fe2c JS |
6580 | mbox->context1 = (void *)((unsigned long) |
6581 | ((cmdiocb->iocb.unsli3.rcvsli3.ox_id << 16) | | |
6582 | cmdiocb->iocb.ulpContext)); /* rx_id */ | |
329f9bc7 | 6583 | mbox->context2 = lpfc_nlp_get(ndlp); |
92d7f7b0 | 6584 | mbox->vport = vport; |
7bb3b137 | 6585 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; |
fa4066b6 | 6586 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
0b727fea | 6587 | != MBX_NOT_FINISHED) |
7bb3b137 JW |
6588 | /* Mbox completion will send ELS Response */ |
6589 | return 0; | |
fa4066b6 JS |
6590 | /* Decrement reference count used for the failed mbox |
6591 | * command. | |
6592 | */ | |
329f9bc7 | 6593 | lpfc_nlp_put(ndlp); |
7bb3b137 JW |
6594 | mempool_free(mbox, phba->mbox_mem_pool); |
6595 | } | |
6596 | } | |
90160e01 JS |
6597 | |
6598 | reject_out: | |
6599 | /* issue rejection response */ | |
7bb3b137 JW |
6600 | stat.un.b.lsRjtRsvd0 = 0; |
6601 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
6602 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
6603 | stat.un.b.vendorUnique = 0; | |
858c9f6c | 6604 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL); |
7bb3b137 JW |
6605 | return 0; |
6606 | } | |
6607 | ||
19ca7609 JS |
6608 | /* lpfc_issue_els_rrq - Process an unsolicited rps iocb |
6609 | * @vport: pointer to a host virtual N_Port data structure. | |
6610 | * @ndlp: pointer to a node-list data structure. | |
6611 | * @did: DID of the target. | |
6612 | * @rrq: Pointer to the rrq struct. | |
6613 | * | |
6614 | * Build a ELS RRQ command and send it to the target. If the issue_iocb is | |
6615 | * Successful the the completion handler will clear the RRQ. | |
6616 | * | |
6617 | * Return codes | |
6618 | * 0 - Successfully sent rrq els iocb. | |
6619 | * 1 - Failed to send rrq els iocb. | |
6620 | **/ | |
6621 | static int | |
6622 | lpfc_issue_els_rrq(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, | |
6623 | uint32_t did, struct lpfc_node_rrq *rrq) | |
6624 | { | |
6625 | struct lpfc_hba *phba = vport->phba; | |
6626 | struct RRQ *els_rrq; | |
19ca7609 JS |
6627 | struct lpfc_iocbq *elsiocb; |
6628 | uint8_t *pcmd; | |
6629 | uint16_t cmdsize; | |
6630 | int ret; | |
6631 | ||
6632 | ||
6633 | if (ndlp != rrq->ndlp) | |
6634 | ndlp = rrq->ndlp; | |
6635 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) | |
6636 | return 1; | |
6637 | ||
6638 | /* If ndlp is not NULL, we will bump the reference count on it */ | |
6639 | cmdsize = (sizeof(uint32_t) + sizeof(struct RRQ)); | |
6640 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, did, | |
6641 | ELS_CMD_RRQ); | |
6642 | if (!elsiocb) | |
6643 | return 1; | |
6644 | ||
19ca7609 JS |
6645 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
6646 | ||
6647 | /* For RRQ request, remainder of payload is Exchange IDs */ | |
6648 | *((uint32_t *) (pcmd)) = ELS_CMD_RRQ; | |
6649 | pcmd += sizeof(uint32_t); | |
6650 | els_rrq = (struct RRQ *) pcmd; | |
6651 | ||
ee0f4fe1 | 6652 | bf_set(rrq_oxid, els_rrq, phba->sli4_hba.xri_ids[rrq->xritag]); |
19ca7609 JS |
6653 | bf_set(rrq_rxid, els_rrq, rrq->rxid); |
6654 | bf_set(rrq_did, els_rrq, vport->fc_myDID); | |
6655 | els_rrq->rrq = cpu_to_be32(els_rrq->rrq); | |
6656 | els_rrq->rrq_exchg = cpu_to_be32(els_rrq->rrq_exchg); | |
6657 | ||
6658 | ||
6659 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
6660 | "Issue RRQ: did:x%x", | |
6661 | did, rrq->xritag, rrq->rxid); | |
6662 | elsiocb->context_un.rrq = rrq; | |
6663 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rrq; | |
6664 | ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); | |
6665 | ||
6666 | if (ret == IOCB_ERROR) { | |
6667 | lpfc_els_free_iocb(phba, elsiocb); | |
6668 | return 1; | |
6669 | } | |
6670 | return 0; | |
6671 | } | |
6672 | ||
6673 | /** | |
6674 | * lpfc_send_rrq - Sends ELS RRQ if needed. | |
6675 | * @phba: pointer to lpfc hba data structure. | |
6676 | * @rrq: pointer to the active rrq. | |
6677 | * | |
6678 | * This routine will call the lpfc_issue_els_rrq if the rrq is | |
6679 | * still active for the xri. If this function returns a failure then | |
6680 | * the caller needs to clean up the RRQ by calling lpfc_clr_active_rrq. | |
6681 | * | |
6682 | * Returns 0 Success. | |
6683 | * 1 Failure. | |
6684 | **/ | |
6685 | int | |
6686 | lpfc_send_rrq(struct lpfc_hba *phba, struct lpfc_node_rrq *rrq) | |
6687 | { | |
6688 | struct lpfc_nodelist *ndlp = lpfc_findnode_did(rrq->vport, | |
6689 | rrq->nlp_DID); | |
6690 | if (lpfc_test_rrq_active(phba, ndlp, rrq->xritag)) | |
6691 | return lpfc_issue_els_rrq(rrq->vport, ndlp, | |
6692 | rrq->nlp_DID, rrq); | |
6693 | else | |
6694 | return 1; | |
6695 | } | |
6696 | ||
e59058c4 | 6697 | /** |
3621a710 | 6698 | * lpfc_els_rsp_rpl_acc - Issue an accept rpl els command |
e59058c4 JS |
6699 | * @vport: pointer to a host virtual N_Port data structure. |
6700 | * @cmdsize: size of the ELS command. | |
6701 | * @oldiocb: pointer to the original lpfc command iocb data structure. | |
6702 | * @ndlp: pointer to a node-list data structure. | |
6703 | * | |
6704 | * This routine issuees an Accept (ACC) Read Port List (RPL) ELS command. | |
6705 | * It is to be called by the lpfc_els_rcv_rpl() routine to accept the RPL. | |
6706 | * | |
6707 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
6708 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
6709 | * will be stored into the context1 field of the IOCB for the completion | |
6710 | * callback function to the RPL Accept Response ELS command. | |
6711 | * | |
6712 | * Return code | |
6713 | * 0 - Successfully issued ACC RPL ELS command | |
6714 | * 1 - Failed to issue ACC RPL ELS command | |
6715 | **/ | |
082c0266 | 6716 | static int |
2e0fef85 JS |
6717 | lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, |
6718 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) | |
7bb3b137 | 6719 | { |
2e0fef85 JS |
6720 | struct lpfc_hba *phba = vport->phba; |
6721 | IOCB_t *icmd, *oldcmd; | |
7bb3b137 JW |
6722 | RPL_RSP rpl_rsp; |
6723 | struct lpfc_iocbq *elsiocb; | |
7bb3b137 | 6724 | uint8_t *pcmd; |
dea3101e | 6725 | |
2e0fef85 JS |
6726 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
6727 | ndlp->nlp_DID, ELS_CMD_ACC); | |
7bb3b137 | 6728 | |
488d1469 | 6729 | if (!elsiocb) |
7bb3b137 | 6730 | return 1; |
488d1469 | 6731 | |
7bb3b137 JW |
6732 | icmd = &elsiocb->iocb; |
6733 | oldcmd = &oldiocb->iocb; | |
7851fe2c JS |
6734 | icmd->ulpContext = oldcmd->ulpContext; /* Xri / rx_id */ |
6735 | icmd->unsli3.rcvsli3.ox_id = oldcmd->unsli3.rcvsli3.ox_id; | |
7bb3b137 JW |
6736 | |
6737 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
6738 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
92d7f7b0 | 6739 | pcmd += sizeof(uint16_t); |
7bb3b137 JW |
6740 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); |
6741 | pcmd += sizeof(uint16_t); | |
6742 | ||
6743 | /* Setup the RPL ACC payload */ | |
6744 | rpl_rsp.listLen = be32_to_cpu(1); | |
6745 | rpl_rsp.index = 0; | |
6746 | rpl_rsp.port_num_blk.portNum = 0; | |
2e0fef85 JS |
6747 | rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID); |
6748 | memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname, | |
7bb3b137 | 6749 | sizeof(struct lpfc_name)); |
7bb3b137 | 6750 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); |
7bb3b137 | 6751 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ |
e8b62011 JS |
6752 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
6753 | "0120 Xmit ELS RPL ACC response tag x%x " | |
6754 | "xri x%x, did x%x, nlp_flag x%x, nlp_state x%x, " | |
6755 | "rpi x%x\n", | |
6756 | elsiocb->iotag, elsiocb->iocb.ulpContext, | |
6757 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, | |
6758 | ndlp->nlp_rpi); | |
858c9f6c | 6759 | elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; |
7bb3b137 | 6760 | phba->fc_stat.elsXmitACC++; |
3772a991 JS |
6761 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == |
6762 | IOCB_ERROR) { | |
7bb3b137 JW |
6763 | lpfc_els_free_iocb(phba, elsiocb); |
6764 | return 1; | |
6765 | } | |
6766 | return 0; | |
6767 | } | |
6768 | ||
e59058c4 | 6769 | /** |
3621a710 | 6770 | * lpfc_els_rcv_rpl - Process an unsolicited rpl iocb |
e59058c4 JS |
6771 | * @vport: pointer to a host virtual N_Port data structure. |
6772 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6773 | * @ndlp: pointer to a node-list data structure. | |
6774 | * | |
6775 | * This routine processes Read Port List (RPL) IOCB received as an ELS | |
6776 | * unsolicited event. It first checks the remote port state. If the remote | |
6777 | * port is not in NLP_STE_UNMAPPED_NODE and NLP_STE_MAPPED_NODE states, it | |
6778 | * invokes the lpfc_els_rsp_reject() routine to send reject response. | |
6779 | * Otherwise, this routine then invokes the lpfc_els_rsp_rpl_acc() routine | |
6780 | * to accept the RPL. | |
6781 | * | |
6782 | * Return code | |
6783 | * 0 - Successfully processed rpl iocb (currently always return 0) | |
6784 | **/ | |
7bb3b137 | 6785 | static int |
2e0fef85 JS |
6786 | lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
6787 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
6788 | { |
6789 | struct lpfc_dmabuf *pcmd; | |
6790 | uint32_t *lp; | |
6791 | uint32_t maxsize; | |
6792 | uint16_t cmdsize; | |
6793 | RPL *rpl; | |
6794 | struct ls_rjt stat; | |
6795 | ||
2fe165b6 JW |
6796 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
6797 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
90160e01 | 6798 | /* issue rejection response */ |
7bb3b137 JW |
6799 | stat.un.b.lsRjtRsvd0 = 0; |
6800 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
6801 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
6802 | stat.un.b.vendorUnique = 0; | |
858c9f6c JS |
6803 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, |
6804 | NULL); | |
90160e01 JS |
6805 | /* rejected the unsolicited RPL request and done with it */ |
6806 | return 0; | |
7bb3b137 JW |
6807 | } |
6808 | ||
dea3101e | 6809 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
6810 | lp = (uint32_t *) pcmd->virt; | |
7bb3b137 | 6811 | rpl = (RPL *) (lp + 1); |
7bb3b137 | 6812 | maxsize = be32_to_cpu(rpl->maxsize); |
dea3101e | 6813 | |
7bb3b137 JW |
6814 | /* We support only one port */ |
6815 | if ((rpl->index == 0) && | |
6816 | ((maxsize == 0) || | |
6817 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { | |
6818 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); | |
2fe165b6 | 6819 | } else { |
7bb3b137 JW |
6820 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
6821 | } | |
2e0fef85 | 6822 | lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp); |
dea3101e | 6823 | |
6824 | return 0; | |
6825 | } | |
6826 | ||
e59058c4 | 6827 | /** |
3621a710 | 6828 | * lpfc_els_rcv_farp - Process an unsolicited farp request els command |
e59058c4 JS |
6829 | * @vport: pointer to a virtual N_Port data structure. |
6830 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6831 | * @ndlp: pointer to a node-list data structure. | |
6832 | * | |
6833 | * This routine processes Fibre Channel Address Resolution Protocol | |
6834 | * (FARP) Request IOCB received as an ELS unsolicited event. Currently, | |
6835 | * the lpfc driver only supports matching on WWPN or WWNN for FARP. As such, | |
6836 | * FARP_MATCH_PORT flag and FARP_MATCH_NODE flag are checked against the | |
6837 | * Match Flag in the FARP request IOCB: if FARP_MATCH_PORT flag is set, the | |
6838 | * remote PortName is compared against the FC PortName stored in the @vport | |
6839 | * data structure; if FARP_MATCH_NODE flag is set, the remote NodeName is | |
6840 | * compared against the FC NodeName stored in the @vport data structure. | |
6841 | * If any of these matches and the FARP_REQUEST_FARPR flag is set in the | |
6842 | * FARP request IOCB Response Flag, the lpfc_issue_els_farpr() routine is | |
6843 | * invoked to send out FARP Response to the remote node. Before sending the | |
6844 | * FARP Response, however, the FARP_REQUEST_PLOGI flag is check in the FARP | |
6845 | * request IOCB Response Flag and, if it is set, the lpfc_issue_els_plogi() | |
6846 | * routine is invoked to log into the remote port first. | |
6847 | * | |
6848 | * Return code | |
6849 | * 0 - Either the FARP Match Mode not supported or successfully processed | |
6850 | **/ | |
dea3101e | 6851 | static int |
2e0fef85 JS |
6852 | lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
6853 | struct lpfc_nodelist *ndlp) | |
dea3101e | 6854 | { |
6855 | struct lpfc_dmabuf *pcmd; | |
6856 | uint32_t *lp; | |
6857 | IOCB_t *icmd; | |
6858 | FARP *fp; | |
6859 | uint32_t cmd, cnt, did; | |
6860 | ||
6861 | icmd = &cmdiocb->iocb; | |
6862 | did = icmd->un.elsreq64.remoteID; | |
6863 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
6864 | lp = (uint32_t *) pcmd->virt; | |
6865 | ||
6866 | cmd = *lp++; | |
6867 | fp = (FARP *) lp; | |
dea3101e | 6868 | /* FARP-REQ received from DID <did> */ |
e8b62011 JS |
6869 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
6870 | "0601 FARP-REQ received from DID x%x\n", did); | |
dea3101e | 6871 | /* We will only support match on WWPN or WWNN */ |
6872 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { | |
c9f8735b | 6873 | return 0; |
dea3101e | 6874 | } |
6875 | ||
6876 | cnt = 0; | |
6877 | /* If this FARP command is searching for my portname */ | |
6878 | if (fp->Mflags & FARP_MATCH_PORT) { | |
2e0fef85 | 6879 | if (memcmp(&fp->RportName, &vport->fc_portname, |
92d7f7b0 | 6880 | sizeof(struct lpfc_name)) == 0) |
dea3101e | 6881 | cnt = 1; |
6882 | } | |
6883 | ||
6884 | /* If this FARP command is searching for my nodename */ | |
6885 | if (fp->Mflags & FARP_MATCH_NODE) { | |
2e0fef85 | 6886 | if (memcmp(&fp->RnodeName, &vport->fc_nodename, |
92d7f7b0 | 6887 | sizeof(struct lpfc_name)) == 0) |
dea3101e | 6888 | cnt = 1; |
6889 | } | |
6890 | ||
6891 | if (cnt) { | |
6892 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || | |
6893 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { | |
6894 | /* Log back into the node before sending the FARP. */ | |
6895 | if (fp->Rflags & FARP_REQUEST_PLOGI) { | |
5024ab17 | 6896 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 6897 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 6898 | NLP_STE_PLOGI_ISSUE); |
2e0fef85 | 6899 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
dea3101e | 6900 | } |
6901 | ||
6902 | /* Send a FARP response to that node */ | |
2e0fef85 JS |
6903 | if (fp->Rflags & FARP_REQUEST_FARPR) |
6904 | lpfc_issue_els_farpr(vport, did, 0); | |
dea3101e | 6905 | } |
6906 | } | |
c9f8735b | 6907 | return 0; |
dea3101e | 6908 | } |
6909 | ||
e59058c4 | 6910 | /** |
3621a710 | 6911 | * lpfc_els_rcv_farpr - Process an unsolicited farp response iocb |
e59058c4 JS |
6912 | * @vport: pointer to a host virtual N_Port data structure. |
6913 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6914 | * @ndlp: pointer to a node-list data structure. | |
6915 | * | |
6916 | * This routine processes Fibre Channel Address Resolution Protocol | |
6917 | * Response (FARPR) IOCB received as an ELS unsolicited event. It simply | |
6918 | * invokes the lpfc_els_rsp_acc() routine to the remote node to accept | |
6919 | * the FARP response request. | |
6920 | * | |
6921 | * Return code | |
6922 | * 0 - Successfully processed FARPR IOCB (currently always return 0) | |
6923 | **/ | |
dea3101e | 6924 | static int |
2e0fef85 JS |
6925 | lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
6926 | struct lpfc_nodelist *ndlp) | |
dea3101e | 6927 | { |
6928 | struct lpfc_dmabuf *pcmd; | |
6929 | uint32_t *lp; | |
6930 | IOCB_t *icmd; | |
6931 | uint32_t cmd, did; | |
6932 | ||
6933 | icmd = &cmdiocb->iocb; | |
6934 | did = icmd->un.elsreq64.remoteID; | |
6935 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
6936 | lp = (uint32_t *) pcmd->virt; | |
6937 | ||
6938 | cmd = *lp++; | |
6939 | /* FARP-RSP received from DID <did> */ | |
e8b62011 JS |
6940 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
6941 | "0600 FARP-RSP received from DID x%x\n", did); | |
dea3101e | 6942 | /* ACCEPT the Farp resp request */ |
51ef4c26 | 6943 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); |
dea3101e | 6944 | |
6945 | return 0; | |
6946 | } | |
6947 | ||
e59058c4 | 6948 | /** |
3621a710 | 6949 | * lpfc_els_rcv_fan - Process an unsolicited fan iocb command |
e59058c4 JS |
6950 | * @vport: pointer to a host virtual N_Port data structure. |
6951 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
6952 | * @fan_ndlp: pointer to a node-list data structure. | |
6953 | * | |
6954 | * This routine processes a Fabric Address Notification (FAN) IOCB | |
6955 | * command received as an ELS unsolicited event. The FAN ELS command will | |
6956 | * only be processed on a physical port (i.e., the @vport represents the | |
6957 | * physical port). The fabric NodeName and PortName from the FAN IOCB are | |
6958 | * compared against those in the phba data structure. If any of those is | |
6959 | * different, the lpfc_initial_flogi() routine is invoked to initialize | |
6960 | * Fabric Login (FLOGI) to the fabric to start the discover over. Otherwise, | |
6961 | * if both of those are identical, the lpfc_issue_fabric_reglogin() routine | |
6962 | * is invoked to register login to the fabric. | |
6963 | * | |
6964 | * Return code | |
6965 | * 0 - Successfully processed fan iocb (currently always return 0). | |
6966 | **/ | |
dea3101e | 6967 | static int |
2e0fef85 JS |
6968 | lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
6969 | struct lpfc_nodelist *fan_ndlp) | |
dea3101e | 6970 | { |
0d2b6b83 | 6971 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 6972 | uint32_t *lp; |
5024ab17 | 6973 | FAN *fp; |
dea3101e | 6974 | |
0d2b6b83 JS |
6975 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0265 FAN received\n"); |
6976 | lp = (uint32_t *)((struct lpfc_dmabuf *)cmdiocb->context2)->virt; | |
6977 | fp = (FAN *) ++lp; | |
5024ab17 | 6978 | /* FAN received; Fan does not have a reply sequence */ |
0d2b6b83 JS |
6979 | if ((vport == phba->pport) && |
6980 | (vport->port_state == LPFC_LOCAL_CFG_LINK)) { | |
5024ab17 | 6981 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
0d2b6b83 | 6982 | sizeof(struct lpfc_name))) || |
5024ab17 | 6983 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, |
0d2b6b83 JS |
6984 | sizeof(struct lpfc_name)))) { |
6985 | /* This port has switched fabrics. FLOGI is required */ | |
76a95d75 | 6986 | lpfc_issue_init_vfi(vport); |
0d2b6b83 JS |
6987 | } else { |
6988 | /* FAN verified - skip FLOGI */ | |
6989 | vport->fc_myDID = vport->fc_prevDID; | |
6fb120a7 JS |
6990 | if (phba->sli_rev < LPFC_SLI_REV4) |
6991 | lpfc_issue_fabric_reglogin(vport); | |
1b51197d JS |
6992 | else { |
6993 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
6994 | "3138 Need register VFI: (x%x/%x)\n", | |
6995 | vport->fc_prevDID, vport->fc_myDID); | |
6fb120a7 | 6996 | lpfc_issue_reg_vfi(vport); |
1b51197d | 6997 | } |
5024ab17 | 6998 | } |
dea3101e | 6999 | } |
c9f8735b | 7000 | return 0; |
dea3101e | 7001 | } |
7002 | ||
e59058c4 | 7003 | /** |
3621a710 | 7004 | * lpfc_els_timeout - Handler funciton to the els timer |
e59058c4 JS |
7005 | * @ptr: holder for the timer function associated data. |
7006 | * | |
7007 | * This routine is invoked by the ELS timer after timeout. It posts the ELS | |
7008 | * timer timeout event by setting the WORKER_ELS_TMO bit to the work port | |
7009 | * event bitmap and then invokes the lpfc_worker_wake_up() routine to wake | |
7010 | * up the worker thread. It is for the worker thread to invoke the routine | |
7011 | * lpfc_els_timeout_handler() to work on the posted event WORKER_ELS_TMO. | |
7012 | **/ | |
dea3101e | 7013 | void |
7014 | lpfc_els_timeout(unsigned long ptr) | |
7015 | { | |
2e0fef85 JS |
7016 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
7017 | struct lpfc_hba *phba = vport->phba; | |
5e9d9b82 | 7018 | uint32_t tmo_posted; |
dea3101e | 7019 | unsigned long iflag; |
7020 | ||
2e0fef85 | 7021 | spin_lock_irqsave(&vport->work_port_lock, iflag); |
5e9d9b82 | 7022 | tmo_posted = vport->work_port_events & WORKER_ELS_TMO; |
06918ac5 | 7023 | if ((!tmo_posted) && (!(vport->load_flag & FC_UNLOADING))) |
2e0fef85 | 7024 | vport->work_port_events |= WORKER_ELS_TMO; |
5e9d9b82 | 7025 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
92d7f7b0 | 7026 | |
06918ac5 | 7027 | if ((!tmo_posted) && (!(vport->load_flag & FC_UNLOADING))) |
5e9d9b82 | 7028 | lpfc_worker_wake_up(phba); |
dea3101e | 7029 | return; |
7030 | } | |
7031 | ||
2a9bf3d0 | 7032 | |
e59058c4 | 7033 | /** |
3621a710 | 7034 | * lpfc_els_timeout_handler - Process an els timeout event |
e59058c4 JS |
7035 | * @vport: pointer to a virtual N_Port data structure. |
7036 | * | |
7037 | * This routine is the actual handler function that processes an ELS timeout | |
7038 | * event. It walks the ELS ring to get and abort all the IOCBs (except the | |
7039 | * ABORT/CLOSE/FARP/FARPR/FDISC), which are associated with the @vport by | |
7040 | * invoking the lpfc_sli_issue_abort_iotag() routine. | |
7041 | **/ | |
dea3101e | 7042 | void |
2e0fef85 | 7043 | lpfc_els_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 7044 | { |
2e0fef85 | 7045 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 7046 | struct lpfc_sli_ring *pring; |
7047 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
7048 | IOCB_t *cmd = NULL; | |
7049 | struct lpfc_dmabuf *pcmd; | |
2e0fef85 | 7050 | uint32_t els_command = 0; |
dea3101e | 7051 | uint32_t timeout; |
2e0fef85 | 7052 | uint32_t remote_ID = 0xffffffff; |
2a9bf3d0 JS |
7053 | LIST_HEAD(abort_list); |
7054 | ||
dea3101e | 7055 | |
dea3101e | 7056 | timeout = (uint32_t)(phba->fc_ratov << 1); |
7057 | ||
7058 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
06918ac5 JS |
7059 | if ((phba->pport->load_flag & FC_UNLOADING)) |
7060 | return; | |
2a9bf3d0 | 7061 | spin_lock_irq(&phba->hbalock); |
0976e1a6 JS |
7062 | if (phba->sli_rev == LPFC_SLI_REV4) |
7063 | spin_lock(&pring->ring_lock); | |
2a9bf3d0 | 7064 | |
06918ac5 JS |
7065 | if ((phba->pport->load_flag & FC_UNLOADING)) { |
7066 | if (phba->sli_rev == LPFC_SLI_REV4) | |
7067 | spin_unlock(&pring->ring_lock); | |
7068 | spin_unlock_irq(&phba->hbalock); | |
7069 | return; | |
7070 | } | |
7071 | ||
0976e1a6 | 7072 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { |
dea3101e | 7073 | cmd = &piocb->iocb; |
7074 | ||
2e0fef85 JS |
7075 | if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || |
7076 | piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
7077 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) | |
dea3101e | 7078 | continue; |
2e0fef85 JS |
7079 | |
7080 | if (piocb->vport != vport) | |
7081 | continue; | |
7082 | ||
dea3101e | 7083 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
2e0fef85 JS |
7084 | if (pcmd) |
7085 | els_command = *(uint32_t *) (pcmd->virt); | |
dea3101e | 7086 | |
92d7f7b0 JS |
7087 | if (els_command == ELS_CMD_FARP || |
7088 | els_command == ELS_CMD_FARPR || | |
7089 | els_command == ELS_CMD_FDISC) | |
7090 | continue; | |
7091 | ||
dea3101e | 7092 | if (piocb->drvrTimeout > 0) { |
92d7f7b0 | 7093 | if (piocb->drvrTimeout >= timeout) |
dea3101e | 7094 | piocb->drvrTimeout -= timeout; |
92d7f7b0 | 7095 | else |
dea3101e | 7096 | piocb->drvrTimeout = 0; |
dea3101e | 7097 | continue; |
7098 | } | |
7099 | ||
2e0fef85 JS |
7100 | remote_ID = 0xffffffff; |
7101 | if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR) | |
dea3101e | 7102 | remote_ID = cmd->un.elsreq64.remoteID; |
2e0fef85 JS |
7103 | else { |
7104 | struct lpfc_nodelist *ndlp; | |
7105 | ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext); | |
58da1ffb | 7106 | if (ndlp && NLP_CHK_NODE_ACT(ndlp)) |
2e0fef85 | 7107 | remote_ID = ndlp->nlp_DID; |
dea3101e | 7108 | } |
2a9bf3d0 JS |
7109 | list_add_tail(&piocb->dlist, &abort_list); |
7110 | } | |
0976e1a6 JS |
7111 | if (phba->sli_rev == LPFC_SLI_REV4) |
7112 | spin_unlock(&pring->ring_lock); | |
2a9bf3d0 JS |
7113 | spin_unlock_irq(&phba->hbalock); |
7114 | ||
7115 | list_for_each_entry_safe(piocb, tmp_iocb, &abort_list, dlist) { | |
15026c9e | 7116 | cmd = &piocb->iocb; |
e8b62011 | 7117 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
2a9bf3d0 JS |
7118 | "0127 ELS timeout Data: x%x x%x x%x " |
7119 | "x%x\n", els_command, | |
7120 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); | |
7121 | spin_lock_irq(&phba->hbalock); | |
7122 | list_del_init(&piocb->dlist); | |
07951076 | 7123 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
2a9bf3d0 | 7124 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 7125 | } |
5a0e326d | 7126 | |
0e9bb8d7 | 7127 | if (!list_empty(&phba->sli.ring[LPFC_ELS_RING].txcmplq)) |
06918ac5 JS |
7128 | if (!(phba->pport->load_flag & FC_UNLOADING)) |
7129 | mod_timer(&vport->els_tmofunc, | |
7130 | jiffies + msecs_to_jiffies(1000 * timeout)); | |
dea3101e | 7131 | } |
7132 | ||
e59058c4 | 7133 | /** |
3621a710 | 7134 | * lpfc_els_flush_cmd - Clean up the outstanding els commands to a vport |
e59058c4 JS |
7135 | * @vport: pointer to a host virtual N_Port data structure. |
7136 | * | |
7137 | * This routine is used to clean up all the outstanding ELS commands on a | |
7138 | * @vport. It first aborts the @vport by invoking lpfc_fabric_abort_vport() | |
7139 | * routine. After that, it walks the ELS transmit queue to remove all the | |
7140 | * IOCBs with the @vport other than the QUE_RING and ABORT/CLOSE IOCBs. For | |
7141 | * the IOCBs with a non-NULL completion callback function, the callback | |
7142 | * function will be invoked with the status set to IOSTAT_LOCAL_REJECT and | |
7143 | * un.ulpWord[4] set to IOERR_SLI_ABORTED. For IOCBs with a NULL completion | |
7144 | * callback function, the IOCB will simply be released. Finally, it walks | |
7145 | * the ELS transmit completion queue to issue an abort IOCB to any transmit | |
7146 | * completion queue IOCB that is associated with the @vport and is not | |
7147 | * an IOCB from libdfc (i.e., the management plane IOCBs that are not | |
7148 | * part of the discovery state machine) out to HBA by invoking the | |
7149 | * lpfc_sli_issue_abort_iotag() routine. Note that this function issues the | |
7150 | * abort IOCB to any transmit completion queueed IOCB, it does not guarantee | |
7151 | * the IOCBs are aborted when this function returns. | |
7152 | **/ | |
dea3101e | 7153 | void |
2e0fef85 | 7154 | lpfc_els_flush_cmd(struct lpfc_vport *vport) |
dea3101e | 7155 | { |
0976e1a6 | 7156 | LIST_HEAD(abort_list); |
2e0fef85 | 7157 | struct lpfc_hba *phba = vport->phba; |
329f9bc7 | 7158 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
dea3101e | 7159 | struct lpfc_iocbq *tmp_iocb, *piocb; |
7160 | IOCB_t *cmd = NULL; | |
92d7f7b0 JS |
7161 | |
7162 | lpfc_fabric_abort_vport(vport); | |
0976e1a6 JS |
7163 | /* |
7164 | * For SLI3, only the hbalock is required. But SLI4 needs to coordinate | |
7165 | * with the ring insert operation. Because lpfc_sli_issue_abort_iotag | |
7166 | * ultimately grabs the ring_lock, the driver must splice the list into | |
7167 | * a working list and release the locks before calling the abort. | |
7168 | */ | |
7169 | spin_lock_irq(&phba->hbalock); | |
7170 | if (phba->sli_rev == LPFC_SLI_REV4) | |
7171 | spin_lock(&pring->ring_lock); | |
7172 | ||
7173 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
7174 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) | |
7175 | continue; | |
7176 | ||
7177 | if (piocb->vport != vport) | |
7178 | continue; | |
7179 | list_add_tail(&piocb->dlist, &abort_list); | |
7180 | } | |
7181 | if (phba->sli_rev == LPFC_SLI_REV4) | |
7182 | spin_unlock(&pring->ring_lock); | |
7183 | spin_unlock_irq(&phba->hbalock); | |
7184 | /* Abort each iocb on the aborted list and remove the dlist links. */ | |
7185 | list_for_each_entry_safe(piocb, tmp_iocb, &abort_list, dlist) { | |
7186 | spin_lock_irq(&phba->hbalock); | |
7187 | list_del_init(&piocb->dlist); | |
7188 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); | |
7189 | spin_unlock_irq(&phba->hbalock); | |
7190 | } | |
7191 | if (!list_empty(&abort_list)) | |
7192 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
7193 | "3387 abort list for txq not empty\n"); | |
7194 | INIT_LIST_HEAD(&abort_list); | |
dea3101e | 7195 | |
2e0fef85 | 7196 | spin_lock_irq(&phba->hbalock); |
0976e1a6 JS |
7197 | if (phba->sli_rev == LPFC_SLI_REV4) |
7198 | spin_lock(&pring->ring_lock); | |
7199 | ||
dea3101e | 7200 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
7201 | cmd = &piocb->iocb; | |
7202 | ||
7203 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
7204 | continue; | |
7205 | } | |
7206 | ||
7207 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ | |
329f9bc7 JS |
7208 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
7209 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || | |
7210 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
7211 | cmd->ulpCommand == CMD_ABORT_XRI_CN) | |
dea3101e | 7212 | continue; |
dea3101e | 7213 | |
2e0fef85 JS |
7214 | if (piocb->vport != vport) |
7215 | continue; | |
7216 | ||
0976e1a6 JS |
7217 | list_del_init(&piocb->list); |
7218 | list_add_tail(&piocb->list, &abort_list); | |
dea3101e | 7219 | } |
0976e1a6 JS |
7220 | if (phba->sli_rev == LPFC_SLI_REV4) |
7221 | spin_unlock(&pring->ring_lock); | |
2e0fef85 | 7222 | spin_unlock_irq(&phba->hbalock); |
2534ba75 | 7223 | |
a257bf90 | 7224 | /* Cancell all the IOCBs from the completions list */ |
0976e1a6 JS |
7225 | lpfc_sli_cancel_iocbs(phba, &abort_list, |
7226 | IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); | |
2534ba75 | 7227 | |
dea3101e | 7228 | return; |
7229 | } | |
7230 | ||
e59058c4 | 7231 | /** |
3621a710 | 7232 | * lpfc_els_flush_all_cmd - Clean up all the outstanding els commands to a HBA |
e59058c4 JS |
7233 | * @phba: pointer to lpfc hba data structure. |
7234 | * | |
7235 | * This routine is used to clean up all the outstanding ELS commands on a | |
7236 | * @phba. It first aborts the @phba by invoking the lpfc_fabric_abort_hba() | |
7237 | * routine. After that, it walks the ELS transmit queue to remove all the | |
7238 | * IOCBs to the @phba other than the QUE_RING and ABORT/CLOSE IOCBs. For | |
7239 | * the IOCBs with the completion callback function associated, the callback | |
7240 | * function will be invoked with the status set to IOSTAT_LOCAL_REJECT and | |
7241 | * un.ulpWord[4] set to IOERR_SLI_ABORTED. For IOCBs without the completion | |
7242 | * callback function associated, the IOCB will simply be released. Finally, | |
7243 | * it walks the ELS transmit completion queue to issue an abort IOCB to any | |
7244 | * transmit completion queue IOCB that is not an IOCB from libdfc (i.e., the | |
7245 | * management plane IOCBs that are not part of the discovery state machine) | |
7246 | * out to HBA by invoking the lpfc_sli_issue_abort_iotag() routine. | |
7247 | **/ | |
549e55cd JS |
7248 | void |
7249 | lpfc_els_flush_all_cmd(struct lpfc_hba *phba) | |
7250 | { | |
0976e1a6 JS |
7251 | struct lpfc_vport *vport; |
7252 | list_for_each_entry(vport, &phba->port_list, listentry) | |
7253 | lpfc_els_flush_cmd(vport); | |
a257bf90 | 7254 | |
549e55cd JS |
7255 | return; |
7256 | } | |
7257 | ||
ea2151b4 | 7258 | /** |
3621a710 | 7259 | * lpfc_send_els_failure_event - Posts an ELS command failure event |
ea2151b4 JS |
7260 | * @phba: Pointer to hba context object. |
7261 | * @cmdiocbp: Pointer to command iocb which reported error. | |
7262 | * @rspiocbp: Pointer to response iocb which reported error. | |
7263 | * | |
7264 | * This function sends an event when there is an ELS command | |
7265 | * failure. | |
7266 | **/ | |
7267 | void | |
7268 | lpfc_send_els_failure_event(struct lpfc_hba *phba, | |
7269 | struct lpfc_iocbq *cmdiocbp, | |
7270 | struct lpfc_iocbq *rspiocbp) | |
7271 | { | |
7272 | struct lpfc_vport *vport = cmdiocbp->vport; | |
7273 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
7274 | struct lpfc_lsrjt_event lsrjt_event; | |
7275 | struct lpfc_fabric_event_header fabric_event; | |
7276 | struct ls_rjt stat; | |
7277 | struct lpfc_nodelist *ndlp; | |
7278 | uint32_t *pcmd; | |
7279 | ||
7280 | ndlp = cmdiocbp->context1; | |
7281 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) | |
7282 | return; | |
7283 | ||
7284 | if (rspiocbp->iocb.ulpStatus == IOSTAT_LS_RJT) { | |
7285 | lsrjt_event.header.event_type = FC_REG_ELS_EVENT; | |
7286 | lsrjt_event.header.subcategory = LPFC_EVENT_LSRJT_RCV; | |
7287 | memcpy(lsrjt_event.header.wwpn, &ndlp->nlp_portname, | |
7288 | sizeof(struct lpfc_name)); | |
7289 | memcpy(lsrjt_event.header.wwnn, &ndlp->nlp_nodename, | |
7290 | sizeof(struct lpfc_name)); | |
7291 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) | |
7292 | cmdiocbp->context2)->virt); | |
49198b37 | 7293 | lsrjt_event.command = (pcmd != NULL) ? *pcmd : 0; |
ea2151b4 JS |
7294 | stat.un.lsRjtError = be32_to_cpu(rspiocbp->iocb.un.ulpWord[4]); |
7295 | lsrjt_event.reason_code = stat.un.b.lsRjtRsnCode; | |
7296 | lsrjt_event.explanation = stat.un.b.lsRjtRsnCodeExp; | |
7297 | fc_host_post_vendor_event(shost, | |
7298 | fc_get_event_number(), | |
7299 | sizeof(lsrjt_event), | |
7300 | (char *)&lsrjt_event, | |
ddcc50f0 | 7301 | LPFC_NL_VENDOR_ID); |
ea2151b4 JS |
7302 | return; |
7303 | } | |
7304 | if ((rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) || | |
7305 | (rspiocbp->iocb.ulpStatus == IOSTAT_FABRIC_BSY)) { | |
7306 | fabric_event.event_type = FC_REG_FABRIC_EVENT; | |
7307 | if (rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) | |
7308 | fabric_event.subcategory = LPFC_EVENT_PORT_BUSY; | |
7309 | else | |
7310 | fabric_event.subcategory = LPFC_EVENT_FABRIC_BUSY; | |
7311 | memcpy(fabric_event.wwpn, &ndlp->nlp_portname, | |
7312 | sizeof(struct lpfc_name)); | |
7313 | memcpy(fabric_event.wwnn, &ndlp->nlp_nodename, | |
7314 | sizeof(struct lpfc_name)); | |
7315 | fc_host_post_vendor_event(shost, | |
7316 | fc_get_event_number(), | |
7317 | sizeof(fabric_event), | |
7318 | (char *)&fabric_event, | |
ddcc50f0 | 7319 | LPFC_NL_VENDOR_ID); |
ea2151b4 JS |
7320 | return; |
7321 | } | |
7322 | ||
7323 | } | |
7324 | ||
7325 | /** | |
3621a710 | 7326 | * lpfc_send_els_event - Posts unsolicited els event |
ea2151b4 JS |
7327 | * @vport: Pointer to vport object. |
7328 | * @ndlp: Pointer FC node object. | |
7329 | * @cmd: ELS command code. | |
7330 | * | |
7331 | * This function posts an event when there is an incoming | |
7332 | * unsolicited ELS command. | |
7333 | **/ | |
7334 | static void | |
7335 | lpfc_send_els_event(struct lpfc_vport *vport, | |
7336 | struct lpfc_nodelist *ndlp, | |
ddcc50f0 | 7337 | uint32_t *payload) |
ea2151b4 | 7338 | { |
ddcc50f0 JS |
7339 | struct lpfc_els_event_header *els_data = NULL; |
7340 | struct lpfc_logo_event *logo_data = NULL; | |
ea2151b4 JS |
7341 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
7342 | ||
ddcc50f0 JS |
7343 | if (*payload == ELS_CMD_LOGO) { |
7344 | logo_data = kmalloc(sizeof(struct lpfc_logo_event), GFP_KERNEL); | |
7345 | if (!logo_data) { | |
7346 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
7347 | "0148 Failed to allocate memory " | |
7348 | "for LOGO event\n"); | |
7349 | return; | |
7350 | } | |
7351 | els_data = &logo_data->header; | |
7352 | } else { | |
7353 | els_data = kmalloc(sizeof(struct lpfc_els_event_header), | |
7354 | GFP_KERNEL); | |
7355 | if (!els_data) { | |
7356 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
7357 | "0149 Failed to allocate memory " | |
7358 | "for ELS event\n"); | |
7359 | return; | |
7360 | } | |
7361 | } | |
7362 | els_data->event_type = FC_REG_ELS_EVENT; | |
7363 | switch (*payload) { | |
ea2151b4 | 7364 | case ELS_CMD_PLOGI: |
ddcc50f0 | 7365 | els_data->subcategory = LPFC_EVENT_PLOGI_RCV; |
ea2151b4 JS |
7366 | break; |
7367 | case ELS_CMD_PRLO: | |
ddcc50f0 | 7368 | els_data->subcategory = LPFC_EVENT_PRLO_RCV; |
ea2151b4 JS |
7369 | break; |
7370 | case ELS_CMD_ADISC: | |
ddcc50f0 JS |
7371 | els_data->subcategory = LPFC_EVENT_ADISC_RCV; |
7372 | break; | |
7373 | case ELS_CMD_LOGO: | |
7374 | els_data->subcategory = LPFC_EVENT_LOGO_RCV; | |
7375 | /* Copy the WWPN in the LOGO payload */ | |
7376 | memcpy(logo_data->logo_wwpn, &payload[2], | |
7377 | sizeof(struct lpfc_name)); | |
ea2151b4 JS |
7378 | break; |
7379 | default: | |
e916141c | 7380 | kfree(els_data); |
ea2151b4 JS |
7381 | return; |
7382 | } | |
ddcc50f0 JS |
7383 | memcpy(els_data->wwpn, &ndlp->nlp_portname, sizeof(struct lpfc_name)); |
7384 | memcpy(els_data->wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name)); | |
7385 | if (*payload == ELS_CMD_LOGO) { | |
7386 | fc_host_post_vendor_event(shost, | |
7387 | fc_get_event_number(), | |
7388 | sizeof(struct lpfc_logo_event), | |
7389 | (char *)logo_data, | |
7390 | LPFC_NL_VENDOR_ID); | |
7391 | kfree(logo_data); | |
7392 | } else { | |
7393 | fc_host_post_vendor_event(shost, | |
7394 | fc_get_event_number(), | |
7395 | sizeof(struct lpfc_els_event_header), | |
7396 | (char *)els_data, | |
7397 | LPFC_NL_VENDOR_ID); | |
7398 | kfree(els_data); | |
7399 | } | |
ea2151b4 JS |
7400 | |
7401 | return; | |
7402 | } | |
7403 | ||
7404 | ||
e59058c4 | 7405 | /** |
3621a710 | 7406 | * lpfc_els_unsol_buffer - Process an unsolicited event data buffer |
e59058c4 JS |
7407 | * @phba: pointer to lpfc hba data structure. |
7408 | * @pring: pointer to a SLI ring. | |
7409 | * @vport: pointer to a host virtual N_Port data structure. | |
7410 | * @elsiocb: pointer to lpfc els command iocb data structure. | |
7411 | * | |
7412 | * This routine is used for processing the IOCB associated with a unsolicited | |
7413 | * event. It first determines whether there is an existing ndlp that matches | |
7414 | * the DID from the unsolicited IOCB. If not, it will create a new one with | |
7415 | * the DID from the unsolicited IOCB. The ELS command from the unsolicited | |
7416 | * IOCB is then used to invoke the proper routine and to set up proper state | |
7417 | * of the discovery state machine. | |
7418 | **/ | |
ed957684 JS |
7419 | static void |
7420 | lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
92d7f7b0 | 7421 | struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb) |
dea3101e | 7422 | { |
87af33fe | 7423 | struct Scsi_Host *shost; |
dea3101e | 7424 | struct lpfc_nodelist *ndlp; |
dea3101e | 7425 | struct ls_rjt stat; |
92d7f7b0 | 7426 | uint32_t *payload; |
303f2f9c JS |
7427 | uint32_t cmd, did, newnode; |
7428 | uint8_t rjt_exp, rjt_err = 0; | |
ed957684 | 7429 | IOCB_t *icmd = &elsiocb->iocb; |
dea3101e | 7430 | |
e47c9093 | 7431 | if (!vport || !(elsiocb->context2)) |
dea3101e | 7432 | goto dropit; |
2e0fef85 | 7433 | |
dea3101e | 7434 | newnode = 0; |
92d7f7b0 JS |
7435 | payload = ((struct lpfc_dmabuf *)elsiocb->context2)->virt; |
7436 | cmd = *payload; | |
ed957684 | 7437 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) |
495a714c | 7438 | lpfc_post_buffer(phba, pring, 1); |
dea3101e | 7439 | |
858c9f6c JS |
7440 | did = icmd->un.rcvels.remoteID; |
7441 | if (icmd->ulpStatus) { | |
7442 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, | |
7443 | "RCV Unsol ELS: status:x%x/x%x did:x%x", | |
7444 | icmd->ulpStatus, icmd->un.ulpWord[4], did); | |
dea3101e | 7445 | goto dropit; |
858c9f6c | 7446 | } |
dea3101e | 7447 | |
7448 | /* Check to see if link went down during discovery */ | |
ed957684 | 7449 | if (lpfc_els_chk_latt(vport)) |
dea3101e | 7450 | goto dropit; |
dea3101e | 7451 | |
c868595d | 7452 | /* Ignore traffic received during vport shutdown. */ |
92d7f7b0 JS |
7453 | if (vport->load_flag & FC_UNLOADING) |
7454 | goto dropit; | |
7455 | ||
92494144 JS |
7456 | /* If NPort discovery is delayed drop incoming ELS */ |
7457 | if ((vport->fc_flag & FC_DISC_DELAYED) && | |
7458 | (cmd != ELS_CMD_PLOGI)) | |
7459 | goto dropit; | |
7460 | ||
2e0fef85 | 7461 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 7462 | if (!ndlp) { |
dea3101e | 7463 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b | 7464 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
ed957684 | 7465 | if (!ndlp) |
dea3101e | 7466 | goto dropit; |
dea3101e | 7467 | |
2e0fef85 | 7468 | lpfc_nlp_init(vport, ndlp, did); |
98c9ea5c | 7469 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 7470 | newnode = 1; |
e47c9093 | 7471 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) |
dea3101e | 7472 | ndlp->nlp_type |= NLP_FABRIC; |
58da1ffb JS |
7473 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
7474 | ndlp = lpfc_enable_node(vport, ndlp, | |
7475 | NLP_STE_UNUSED_NODE); | |
7476 | if (!ndlp) | |
7477 | goto dropit; | |
7478 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
7479 | newnode = 1; | |
7480 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) | |
7481 | ndlp->nlp_type |= NLP_FABRIC; | |
7482 | } else if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { | |
7483 | /* This is similar to the new node path */ | |
7484 | ndlp = lpfc_nlp_get(ndlp); | |
7485 | if (!ndlp) | |
7486 | goto dropit; | |
7487 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
7488 | newnode = 1; | |
87af33fe | 7489 | } |
dea3101e | 7490 | |
7491 | phba->fc_stat.elsRcvFrame++; | |
e47c9093 | 7492 | |
12838e74 JS |
7493 | /* |
7494 | * Do not process any unsolicited ELS commands | |
7495 | * if the ndlp is in DEV_LOSS | |
7496 | */ | |
466e840b JS |
7497 | shost = lpfc_shost_from_vport(vport); |
7498 | spin_lock_irq(shost->host_lock); | |
7499 | if (ndlp->nlp_flag & NLP_IN_DEV_LOSS) { | |
7500 | spin_unlock_irq(shost->host_lock); | |
12838e74 | 7501 | goto dropit; |
466e840b JS |
7502 | } |
7503 | spin_unlock_irq(shost->host_lock); | |
12838e74 | 7504 | |
329f9bc7 | 7505 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
2e0fef85 | 7506 | elsiocb->vport = vport; |
dea3101e | 7507 | |
7508 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { | |
7509 | cmd &= ELS_CMD_MASK; | |
7510 | } | |
7511 | /* ELS command <elsCmd> received from NPORT <did> */ | |
e8b62011 JS |
7512 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
7513 | "0112 ELS command x%x received from NPORT x%x " | |
e74c03c8 JS |
7514 | "Data: x%x x%x x%x x%x\n", |
7515 | cmd, did, vport->port_state, vport->fc_flag, | |
7516 | vport->fc_myDID, vport->fc_prevDID); | |
eec3d312 JS |
7517 | |
7518 | /* reject till our FLOGI completes */ | |
7519 | if ((vport->port_state < LPFC_FABRIC_CFG_LINK) && | |
d6de08cc | 7520 | (cmd != ELS_CMD_FLOGI)) { |
eec3d312 JS |
7521 | rjt_err = LSRJT_UNABLE_TPC; |
7522 | rjt_exp = LSEXP_NOTHING_MORE; | |
7523 | goto lsrjt; | |
7524 | } | |
7525 | ||
dea3101e | 7526 | switch (cmd) { |
7527 | case ELS_CMD_PLOGI: | |
858c9f6c JS |
7528 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7529 | "RCV PLOGI: did:x%x/ste:x%x flg:x%x", | |
7530 | did, vport->port_state, ndlp->nlp_flag); | |
7531 | ||
dea3101e | 7532 | phba->fc_stat.elsRcvPLOGI++; |
858c9f6c | 7533 | ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp); |
e74c03c8 JS |
7534 | if (phba->sli_rev == LPFC_SLI_REV4 && |
7535 | (phba->pport->fc_flag & FC_PT2PT)) { | |
7536 | vport->fc_prevDID = vport->fc_myDID; | |
7537 | /* Our DID needs to be updated before registering | |
7538 | * the vfi. This is done in lpfc_rcv_plogi but | |
7539 | * that is called after the reg_vfi. | |
7540 | */ | |
7541 | vport->fc_myDID = elsiocb->iocb.un.rcvels.parmRo; | |
7542 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
7543 | "3312 Remote port assigned DID x%x " | |
7544 | "%x\n", vport->fc_myDID, | |
7545 | vport->fc_prevDID); | |
7546 | } | |
858c9f6c | 7547 | |
ddcc50f0 | 7548 | lpfc_send_els_event(vport, ndlp, payload); |
92494144 JS |
7549 | |
7550 | /* If Nport discovery is delayed, reject PLOGIs */ | |
7551 | if (vport->fc_flag & FC_DISC_DELAYED) { | |
7552 | rjt_err = LSRJT_UNABLE_TPC; | |
303f2f9c | 7553 | rjt_exp = LSEXP_NOTHING_MORE; |
92494144 JS |
7554 | break; |
7555 | } | |
d6de08cc | 7556 | |
858c9f6c | 7557 | if (vport->port_state < LPFC_DISC_AUTH) { |
1b32f6aa JS |
7558 | if (!(phba->pport->fc_flag & FC_PT2PT) || |
7559 | (phba->pport->fc_flag & FC_PT2PT_PLOGI)) { | |
7560 | rjt_err = LSRJT_UNABLE_TPC; | |
303f2f9c | 7561 | rjt_exp = LSEXP_NOTHING_MORE; |
1b32f6aa JS |
7562 | break; |
7563 | } | |
dea3101e | 7564 | } |
87af33fe | 7565 | |
87af33fe JS |
7566 | spin_lock_irq(shost->host_lock); |
7567 | ndlp->nlp_flag &= ~NLP_TARGET_REMOVE; | |
7568 | spin_unlock_irq(shost->host_lock); | |
7569 | ||
2e0fef85 JS |
7570 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
7571 | NLP_EVT_RCV_PLOGI); | |
858c9f6c | 7572 | |
dea3101e | 7573 | break; |
7574 | case ELS_CMD_FLOGI: | |
858c9f6c JS |
7575 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7576 | "RCV FLOGI: did:x%x/ste:x%x flg:x%x", | |
7577 | did, vport->port_state, ndlp->nlp_flag); | |
7578 | ||
dea3101e | 7579 | phba->fc_stat.elsRcvFLOGI++; |
51ef4c26 | 7580 | lpfc_els_rcv_flogi(vport, elsiocb, ndlp); |
87af33fe | 7581 | if (newnode) |
98c9ea5c | 7582 | lpfc_nlp_put(ndlp); |
dea3101e | 7583 | break; |
7584 | case ELS_CMD_LOGO: | |
858c9f6c JS |
7585 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7586 | "RCV LOGO: did:x%x/ste:x%x flg:x%x", | |
7587 | did, vport->port_state, ndlp->nlp_flag); | |
7588 | ||
dea3101e | 7589 | phba->fc_stat.elsRcvLOGO++; |
ddcc50f0 | 7590 | lpfc_send_els_event(vport, ndlp, payload); |
2e0fef85 | 7591 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 7592 | rjt_err = LSRJT_UNABLE_TPC; |
303f2f9c | 7593 | rjt_exp = LSEXP_NOTHING_MORE; |
dea3101e | 7594 | break; |
7595 | } | |
2e0fef85 | 7596 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO); |
dea3101e | 7597 | break; |
7598 | case ELS_CMD_PRLO: | |
858c9f6c JS |
7599 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7600 | "RCV PRLO: did:x%x/ste:x%x flg:x%x", | |
7601 | did, vport->port_state, ndlp->nlp_flag); | |
7602 | ||
dea3101e | 7603 | phba->fc_stat.elsRcvPRLO++; |
ddcc50f0 | 7604 | lpfc_send_els_event(vport, ndlp, payload); |
2e0fef85 | 7605 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 7606 | rjt_err = LSRJT_UNABLE_TPC; |
303f2f9c | 7607 | rjt_exp = LSEXP_NOTHING_MORE; |
dea3101e | 7608 | break; |
7609 | } | |
2e0fef85 | 7610 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO); |
dea3101e | 7611 | break; |
8b017a30 JS |
7612 | case ELS_CMD_LCB: |
7613 | phba->fc_stat.elsRcvLCB++; | |
7614 | lpfc_els_rcv_lcb(vport, elsiocb, ndlp); | |
7615 | break; | |
86478875 JS |
7616 | case ELS_CMD_RDP: |
7617 | phba->fc_stat.elsRcvRDP++; | |
7618 | lpfc_els_rcv_rdp(vport, elsiocb, ndlp); | |
7619 | break; | |
dea3101e | 7620 | case ELS_CMD_RSCN: |
7621 | phba->fc_stat.elsRcvRSCN++; | |
51ef4c26 | 7622 | lpfc_els_rcv_rscn(vport, elsiocb, ndlp); |
87af33fe | 7623 | if (newnode) |
98c9ea5c | 7624 | lpfc_nlp_put(ndlp); |
dea3101e | 7625 | break; |
7626 | case ELS_CMD_ADISC: | |
858c9f6c JS |
7627 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7628 | "RCV ADISC: did:x%x/ste:x%x flg:x%x", | |
7629 | did, vport->port_state, ndlp->nlp_flag); | |
7630 | ||
ddcc50f0 | 7631 | lpfc_send_els_event(vport, ndlp, payload); |
dea3101e | 7632 | phba->fc_stat.elsRcvADISC++; |
2e0fef85 | 7633 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 7634 | rjt_err = LSRJT_UNABLE_TPC; |
303f2f9c | 7635 | rjt_exp = LSEXP_NOTHING_MORE; |
dea3101e | 7636 | break; |
7637 | } | |
2e0fef85 JS |
7638 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
7639 | NLP_EVT_RCV_ADISC); | |
dea3101e | 7640 | break; |
7641 | case ELS_CMD_PDISC: | |
858c9f6c JS |
7642 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7643 | "RCV PDISC: did:x%x/ste:x%x flg:x%x", | |
7644 | did, vport->port_state, ndlp->nlp_flag); | |
7645 | ||
dea3101e | 7646 | phba->fc_stat.elsRcvPDISC++; |
2e0fef85 | 7647 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 7648 | rjt_err = LSRJT_UNABLE_TPC; |
303f2f9c | 7649 | rjt_exp = LSEXP_NOTHING_MORE; |
dea3101e | 7650 | break; |
7651 | } | |
2e0fef85 JS |
7652 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
7653 | NLP_EVT_RCV_PDISC); | |
dea3101e | 7654 | break; |
7655 | case ELS_CMD_FARPR: | |
858c9f6c JS |
7656 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7657 | "RCV FARPR: did:x%x/ste:x%x flg:x%x", | |
7658 | did, vport->port_state, ndlp->nlp_flag); | |
7659 | ||
dea3101e | 7660 | phba->fc_stat.elsRcvFARPR++; |
2e0fef85 | 7661 | lpfc_els_rcv_farpr(vport, elsiocb, ndlp); |
dea3101e | 7662 | break; |
7663 | case ELS_CMD_FARP: | |
858c9f6c JS |
7664 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7665 | "RCV FARP: did:x%x/ste:x%x flg:x%x", | |
7666 | did, vport->port_state, ndlp->nlp_flag); | |
7667 | ||
dea3101e | 7668 | phba->fc_stat.elsRcvFARP++; |
2e0fef85 | 7669 | lpfc_els_rcv_farp(vport, elsiocb, ndlp); |
dea3101e | 7670 | break; |
7671 | case ELS_CMD_FAN: | |
858c9f6c JS |
7672 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7673 | "RCV FAN: did:x%x/ste:x%x flg:x%x", | |
7674 | did, vport->port_state, ndlp->nlp_flag); | |
7675 | ||
dea3101e | 7676 | phba->fc_stat.elsRcvFAN++; |
2e0fef85 | 7677 | lpfc_els_rcv_fan(vport, elsiocb, ndlp); |
dea3101e | 7678 | break; |
dea3101e | 7679 | case ELS_CMD_PRLI: |
858c9f6c JS |
7680 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7681 | "RCV PRLI: did:x%x/ste:x%x flg:x%x", | |
7682 | did, vport->port_state, ndlp->nlp_flag); | |
7683 | ||
dea3101e | 7684 | phba->fc_stat.elsRcvPRLI++; |
2e0fef85 | 7685 | if (vport->port_state < LPFC_DISC_AUTH) { |
858c9f6c | 7686 | rjt_err = LSRJT_UNABLE_TPC; |
303f2f9c | 7687 | rjt_exp = LSEXP_NOTHING_MORE; |
dea3101e | 7688 | break; |
7689 | } | |
2e0fef85 | 7690 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI); |
dea3101e | 7691 | break; |
7bb3b137 | 7692 | case ELS_CMD_LIRR: |
858c9f6c JS |
7693 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7694 | "RCV LIRR: did:x%x/ste:x%x flg:x%x", | |
7695 | did, vport->port_state, ndlp->nlp_flag); | |
7696 | ||
7bb3b137 | 7697 | phba->fc_stat.elsRcvLIRR++; |
2e0fef85 | 7698 | lpfc_els_rcv_lirr(vport, elsiocb, ndlp); |
87af33fe | 7699 | if (newnode) |
98c9ea5c | 7700 | lpfc_nlp_put(ndlp); |
7bb3b137 | 7701 | break; |
12265f68 JS |
7702 | case ELS_CMD_RLS: |
7703 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, | |
7704 | "RCV RLS: did:x%x/ste:x%x flg:x%x", | |
7705 | did, vport->port_state, ndlp->nlp_flag); | |
7706 | ||
7707 | phba->fc_stat.elsRcvRLS++; | |
7708 | lpfc_els_rcv_rls(vport, elsiocb, ndlp); | |
7709 | if (newnode) | |
7710 | lpfc_nlp_put(ndlp); | |
7711 | break; | |
7bb3b137 | 7712 | case ELS_CMD_RPS: |
858c9f6c JS |
7713 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7714 | "RCV RPS: did:x%x/ste:x%x flg:x%x", | |
7715 | did, vport->port_state, ndlp->nlp_flag); | |
7716 | ||
7bb3b137 | 7717 | phba->fc_stat.elsRcvRPS++; |
2e0fef85 | 7718 | lpfc_els_rcv_rps(vport, elsiocb, ndlp); |
87af33fe | 7719 | if (newnode) |
98c9ea5c | 7720 | lpfc_nlp_put(ndlp); |
7bb3b137 JW |
7721 | break; |
7722 | case ELS_CMD_RPL: | |
858c9f6c JS |
7723 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7724 | "RCV RPL: did:x%x/ste:x%x flg:x%x", | |
7725 | did, vport->port_state, ndlp->nlp_flag); | |
7726 | ||
7bb3b137 | 7727 | phba->fc_stat.elsRcvRPL++; |
2e0fef85 | 7728 | lpfc_els_rcv_rpl(vport, elsiocb, ndlp); |
87af33fe | 7729 | if (newnode) |
98c9ea5c | 7730 | lpfc_nlp_put(ndlp); |
7bb3b137 | 7731 | break; |
dea3101e | 7732 | case ELS_CMD_RNID: |
858c9f6c JS |
7733 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7734 | "RCV RNID: did:x%x/ste:x%x flg:x%x", | |
7735 | did, vport->port_state, ndlp->nlp_flag); | |
7736 | ||
dea3101e | 7737 | phba->fc_stat.elsRcvRNID++; |
2e0fef85 | 7738 | lpfc_els_rcv_rnid(vport, elsiocb, ndlp); |
87af33fe | 7739 | if (newnode) |
98c9ea5c | 7740 | lpfc_nlp_put(ndlp); |
dea3101e | 7741 | break; |
12265f68 JS |
7742 | case ELS_CMD_RTV: |
7743 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, | |
7744 | "RCV RTV: did:x%x/ste:x%x flg:x%x", | |
7745 | did, vport->port_state, ndlp->nlp_flag); | |
7746 | phba->fc_stat.elsRcvRTV++; | |
7747 | lpfc_els_rcv_rtv(vport, elsiocb, ndlp); | |
7748 | if (newnode) | |
7749 | lpfc_nlp_put(ndlp); | |
7750 | break; | |
5ffc266e JS |
7751 | case ELS_CMD_RRQ: |
7752 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, | |
7753 | "RCV RRQ: did:x%x/ste:x%x flg:x%x", | |
7754 | did, vport->port_state, ndlp->nlp_flag); | |
7755 | ||
7756 | phba->fc_stat.elsRcvRRQ++; | |
7757 | lpfc_els_rcv_rrq(vport, elsiocb, ndlp); | |
7758 | if (newnode) | |
7759 | lpfc_nlp_put(ndlp); | |
7760 | break; | |
12265f68 JS |
7761 | case ELS_CMD_ECHO: |
7762 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, | |
7763 | "RCV ECHO: did:x%x/ste:x%x flg:x%x", | |
7764 | did, vport->port_state, ndlp->nlp_flag); | |
7765 | ||
7766 | phba->fc_stat.elsRcvECHO++; | |
7767 | lpfc_els_rcv_echo(vport, elsiocb, ndlp); | |
7768 | if (newnode) | |
7769 | lpfc_nlp_put(ndlp); | |
7770 | break; | |
303f2f9c JS |
7771 | case ELS_CMD_REC: |
7772 | /* receive this due to exchange closed */ | |
7773 | rjt_err = LSRJT_UNABLE_TPC; | |
7774 | rjt_exp = LSEXP_INVALID_OX_RX; | |
7775 | break; | |
dea3101e | 7776 | default: |
858c9f6c JS |
7777 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, |
7778 | "RCV ELS cmd: cmd:x%x did:x%x/ste:x%x", | |
7779 | cmd, did, vport->port_state); | |
7780 | ||
dea3101e | 7781 | /* Unsupported ELS command, reject */ |
63e801ce | 7782 | rjt_err = LSRJT_CMD_UNSUPPORTED; |
303f2f9c | 7783 | rjt_exp = LSEXP_NOTHING_MORE; |
dea3101e | 7784 | |
7785 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ | |
e8b62011 JS |
7786 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
7787 | "0115 Unknown ELS command x%x " | |
7788 | "received from NPORT x%x\n", cmd, did); | |
87af33fe | 7789 | if (newnode) |
98c9ea5c | 7790 | lpfc_nlp_put(ndlp); |
dea3101e | 7791 | break; |
7792 | } | |
7793 | ||
eec3d312 | 7794 | lsrjt: |
dea3101e | 7795 | /* check if need to LS_RJT received ELS cmd */ |
7796 | if (rjt_err) { | |
92d7f7b0 | 7797 | memset(&stat, 0, sizeof(stat)); |
858c9f6c | 7798 | stat.un.b.lsRjtRsnCode = rjt_err; |
303f2f9c | 7799 | stat.un.b.lsRjtRsnCodeExp = rjt_exp; |
858c9f6c JS |
7800 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp, |
7801 | NULL); | |
dea3101e | 7802 | } |
7803 | ||
d7c255b2 JS |
7804 | lpfc_nlp_put(elsiocb->context1); |
7805 | elsiocb->context1 = NULL; | |
ed957684 JS |
7806 | return; |
7807 | ||
7808 | dropit: | |
98c9ea5c | 7809 | if (vport && !(vport->load_flag & FC_UNLOADING)) |
6fb120a7 JS |
7810 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
7811 | "0111 Dropping received ELS cmd " | |
ed957684 | 7812 | "Data: x%x x%x x%x\n", |
6fb120a7 | 7813 | icmd->ulpStatus, icmd->un.ulpWord[4], icmd->ulpTimeout); |
ed957684 JS |
7814 | phba->fc_stat.elsRcvDrop++; |
7815 | } | |
7816 | ||
e59058c4 | 7817 | /** |
3621a710 | 7818 | * lpfc_els_unsol_event - Process an unsolicited event from an els sli ring |
e59058c4 JS |
7819 | * @phba: pointer to lpfc hba data structure. |
7820 | * @pring: pointer to a SLI ring. | |
7821 | * @elsiocb: pointer to lpfc els iocb data structure. | |
7822 | * | |
7823 | * This routine is used to process an unsolicited event received from a SLI | |
7824 | * (Service Level Interface) ring. The actual processing of the data buffer | |
7825 | * associated with the unsolicited event is done by invoking the routine | |
7826 | * lpfc_els_unsol_buffer() after properly set up the iocb buffer from the | |
7827 | * SLI ring on which the unsolicited event was received. | |
7828 | **/ | |
ed957684 JS |
7829 | void |
7830 | lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
7831 | struct lpfc_iocbq *elsiocb) | |
7832 | { | |
7833 | struct lpfc_vport *vport = phba->pport; | |
ed957684 | 7834 | IOCB_t *icmd = &elsiocb->iocb; |
ed957684 | 7835 | dma_addr_t paddr; |
92d7f7b0 JS |
7836 | struct lpfc_dmabuf *bdeBuf1 = elsiocb->context2; |
7837 | struct lpfc_dmabuf *bdeBuf2 = elsiocb->context3; | |
7838 | ||
d7c255b2 | 7839 | elsiocb->context1 = NULL; |
92d7f7b0 JS |
7840 | elsiocb->context2 = NULL; |
7841 | elsiocb->context3 = NULL; | |
ed957684 | 7842 | |
92d7f7b0 JS |
7843 | if (icmd->ulpStatus == IOSTAT_NEED_BUFFER) { |
7844 | lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); | |
7845 | } else if (icmd->ulpStatus == IOSTAT_LOCAL_REJECT && | |
e3d2b802 JS |
7846 | (icmd->un.ulpWord[4] & IOERR_PARAM_MASK) == |
7847 | IOERR_RCV_BUFFER_WAITING) { | |
ed957684 JS |
7848 | phba->fc_stat.NoRcvBuf++; |
7849 | /* Not enough posted buffers; Try posting more buffers */ | |
92d7f7b0 | 7850 | if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) |
495a714c | 7851 | lpfc_post_buffer(phba, pring, 0); |
ed957684 JS |
7852 | return; |
7853 | } | |
7854 | ||
92d7f7b0 JS |
7855 | if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) && |
7856 | (icmd->ulpCommand == CMD_IOCB_RCV_ELS64_CX || | |
7857 | icmd->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
7858 | if (icmd->unsli3.rcvsli3.vpi == 0xffff) | |
7859 | vport = phba->pport; | |
6fb120a7 JS |
7860 | else |
7861 | vport = lpfc_find_vport_by_vpid(phba, | |
6d368e53 | 7862 | icmd->unsli3.rcvsli3.vpi); |
92d7f7b0 | 7863 | } |
6d368e53 | 7864 | |
7f5f3d0d JS |
7865 | /* If there are no BDEs associated |
7866 | * with this IOCB, there is nothing to do. | |
7867 | */ | |
ed957684 JS |
7868 | if (icmd->ulpBdeCount == 0) |
7869 | return; | |
7870 | ||
7f5f3d0d JS |
7871 | /* type of ELS cmd is first 32bit word |
7872 | * in packet | |
7873 | */ | |
ed957684 | 7874 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
92d7f7b0 | 7875 | elsiocb->context2 = bdeBuf1; |
ed957684 JS |
7876 | } else { |
7877 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, | |
7878 | icmd->un.cont64[0].addrLow); | |
92d7f7b0 JS |
7879 | elsiocb->context2 = lpfc_sli_ringpostbuf_get(phba, pring, |
7880 | paddr); | |
ed957684 JS |
7881 | } |
7882 | ||
92d7f7b0 JS |
7883 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); |
7884 | /* | |
7885 | * The different unsolicited event handlers would tell us | |
7886 | * if they are done with "mp" by setting context2 to NULL. | |
7887 | */ | |
dea3101e | 7888 | if (elsiocb->context2) { |
92d7f7b0 JS |
7889 | lpfc_in_buf_free(phba, (struct lpfc_dmabuf *)elsiocb->context2); |
7890 | elsiocb->context2 = NULL; | |
dea3101e | 7891 | } |
ed957684 JS |
7892 | |
7893 | /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */ | |
92d7f7b0 | 7894 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) && |
ed957684 | 7895 | icmd->ulpBdeCount == 2) { |
92d7f7b0 JS |
7896 | elsiocb->context2 = bdeBuf2; |
7897 | lpfc_els_unsol_buffer(phba, pring, vport, elsiocb); | |
ed957684 JS |
7898 | /* free mp if we are done with it */ |
7899 | if (elsiocb->context2) { | |
92d7f7b0 JS |
7900 | lpfc_in_buf_free(phba, elsiocb->context2); |
7901 | elsiocb->context2 = NULL; | |
7902 | } | |
7903 | } | |
7904 | } | |
7905 | ||
4258e98e JS |
7906 | void |
7907 | lpfc_start_fdmi(struct lpfc_vport *vport) | |
7908 | { | |
7909 | struct lpfc_hba *phba = vport->phba; | |
7910 | struct lpfc_nodelist *ndlp; | |
7911 | ||
7912 | /* If this is the first time, allocate an ndlp and initialize | |
7913 | * it. Otherwise, make sure the node is enabled and then do the | |
7914 | * login. | |
7915 | */ | |
7916 | ndlp = lpfc_findnode_did(vport, FDMI_DID); | |
7917 | if (!ndlp) { | |
7918 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
7919 | if (ndlp) { | |
7920 | lpfc_nlp_init(vport, ndlp, FDMI_DID); | |
7921 | ndlp->nlp_type |= NLP_FABRIC; | |
7922 | } else { | |
7923 | return; | |
7924 | } | |
7925 | } | |
7926 | if (!NLP_CHK_NODE_ACT(ndlp)) | |
7927 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_NPR_NODE); | |
7928 | ||
7929 | if (ndlp) { | |
7930 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
7931 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
7932 | } | |
7933 | } | |
7934 | ||
e59058c4 | 7935 | /** |
3621a710 | 7936 | * lpfc_do_scr_ns_plogi - Issue a plogi to the name server for scr |
e59058c4 JS |
7937 | * @phba: pointer to lpfc hba data structure. |
7938 | * @vport: pointer to a virtual N_Port data structure. | |
7939 | * | |
7940 | * This routine issues a Port Login (PLOGI) to the Name Server with | |
7941 | * State Change Request (SCR) for a @vport. This routine will create an | |
7942 | * ndlp for the Name Server associated to the @vport if such node does | |
7943 | * not already exist. The PLOGI to Name Server is issued by invoking the | |
7944 | * lpfc_issue_els_plogi() routine. If Fabric-Device Management Interface | |
7945 | * (FDMI) is configured to the @vport, a FDMI node will be created and | |
7946 | * the PLOGI to FDMI is issued by invoking lpfc_issue_els_plogi() routine. | |
7947 | **/ | |
92d7f7b0 JS |
7948 | void |
7949 | lpfc_do_scr_ns_plogi(struct lpfc_hba *phba, struct lpfc_vport *vport) | |
7950 | { | |
4258e98e | 7951 | struct lpfc_nodelist *ndlp; |
92494144 JS |
7952 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
7953 | ||
7954 | /* | |
7955 | * If lpfc_delay_discovery parameter is set and the clean address | |
7956 | * bit is cleared and fc fabric parameters chenged, delay FC NPort | |
7957 | * discovery. | |
7958 | */ | |
7959 | spin_lock_irq(shost->host_lock); | |
7960 | if (vport->fc_flag & FC_DISC_DELAYED) { | |
7961 | spin_unlock_irq(shost->host_lock); | |
18775708 JS |
7962 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
7963 | "3334 Delay fc port discovery for %d seconds\n", | |
7964 | phba->fc_ratov); | |
92494144 | 7965 | mod_timer(&vport->delayed_disc_tmo, |
256ec0d0 | 7966 | jiffies + msecs_to_jiffies(1000 * phba->fc_ratov)); |
92494144 JS |
7967 | return; |
7968 | } | |
7969 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 JS |
7970 | |
7971 | ndlp = lpfc_findnode_did(vport, NameServer_DID); | |
7972 | if (!ndlp) { | |
7973 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
7974 | if (!ndlp) { | |
76a95d75 | 7975 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
92d7f7b0 JS |
7976 | lpfc_disc_start(vport); |
7977 | return; | |
7978 | } | |
7979 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
7980 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
7981 | "0251 NameServer login: no memory\n"); | |
92d7f7b0 JS |
7982 | return; |
7983 | } | |
7984 | lpfc_nlp_init(vport, ndlp, NameServer_DID); | |
e47c9093 JS |
7985 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { |
7986 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
7987 | if (!ndlp) { | |
76a95d75 | 7988 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { |
e47c9093 JS |
7989 | lpfc_disc_start(vport); |
7990 | return; | |
7991 | } | |
7992 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
7993 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, | |
7994 | "0348 NameServer login: node freed\n"); | |
7995 | return; | |
7996 | } | |
92d7f7b0 | 7997 | } |
58da1ffb | 7998 | ndlp->nlp_type |= NLP_FABRIC; |
92d7f7b0 JS |
7999 | |
8000 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); | |
8001 | ||
8002 | if (lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0)) { | |
8003 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
e8b62011 JS |
8004 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
8005 | "0252 Cannot issue NameServer login\n"); | |
92d7f7b0 JS |
8006 | return; |
8007 | } | |
8008 | ||
8663cbbe JS |
8009 | if ((phba->cfg_enable_SmartSAN || |
8010 | (phba->cfg_fdmi_on == LPFC_FDMI_SUPPORT)) && | |
8011 | (vport->load_flag & FC_ALLOW_FDMI)) | |
4258e98e | 8012 | lpfc_start_fdmi(vport); |
92d7f7b0 JS |
8013 | } |
8014 | ||
e59058c4 | 8015 | /** |
3621a710 | 8016 | * lpfc_cmpl_reg_new_vport - Completion callback function to register new vport |
e59058c4 JS |
8017 | * @phba: pointer to lpfc hba data structure. |
8018 | * @pmb: pointer to the driver internal queue element for mailbox command. | |
8019 | * | |
8020 | * This routine is the completion callback function to register new vport | |
8021 | * mailbox command. If the new vport mailbox command completes successfully, | |
8022 | * the fabric registration login shall be performed on physical port (the | |
8023 | * new vport created is actually a physical port, with VPI 0) or the port | |
8024 | * login to Name Server for State Change Request (SCR) will be performed | |
8025 | * on virtual port (real virtual port, with VPI greater than 0). | |
8026 | **/ | |
92d7f7b0 JS |
8027 | static void |
8028 | lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
8029 | { | |
8030 | struct lpfc_vport *vport = pmb->vport; | |
8031 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
8032 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; | |
04c68496 | 8033 | MAILBOX_t *mb = &pmb->u.mb; |
695a814e | 8034 | int rc; |
92d7f7b0 | 8035 | |
09372820 | 8036 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 8037 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; |
09372820 | 8038 | spin_unlock_irq(shost->host_lock); |
92d7f7b0 JS |
8039 | |
8040 | if (mb->mbxStatus) { | |
e8b62011 | 8041 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
38b92ef8 JS |
8042 | "0915 Register VPI failed : Status: x%x" |
8043 | " upd bit: x%x \n", mb->mbxStatus, | |
8044 | mb->un.varRegVpi.upd); | |
8045 | if (phba->sli_rev == LPFC_SLI_REV4 && | |
8046 | mb->un.varRegVpi.upd) | |
8047 | goto mbox_err_exit ; | |
92d7f7b0 JS |
8048 | |
8049 | switch (mb->mbxStatus) { | |
8050 | case 0x11: /* unsupported feature */ | |
8051 | case 0x9603: /* max_vpi exceeded */ | |
7f5f3d0d | 8052 | case 0x9602: /* Link event since CLEAR_LA */ |
92d7f7b0 JS |
8053 | /* giving up on vport registration */ |
8054 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
8055 | spin_lock_irq(shost->host_lock); | |
8056 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
8057 | spin_unlock_irq(shost->host_lock); | |
8058 | lpfc_can_disctmo(vport); | |
8059 | break; | |
695a814e JS |
8060 | /* If reg_vpi fail with invalid VPI status, re-init VPI */ |
8061 | case 0x20: | |
8062 | spin_lock_irq(shost->host_lock); | |
8063 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
8064 | spin_unlock_irq(shost->host_lock); | |
8065 | lpfc_init_vpi(phba, pmb, vport->vpi); | |
8066 | pmb->vport = vport; | |
8067 | pmb->mbox_cmpl = lpfc_init_vpi_cmpl; | |
8068 | rc = lpfc_sli_issue_mbox(phba, pmb, | |
8069 | MBX_NOWAIT); | |
8070 | if (rc == MBX_NOT_FINISHED) { | |
8071 | lpfc_printf_vlog(vport, | |
8072 | KERN_ERR, LOG_MBOX, | |
8073 | "2732 Failed to issue INIT_VPI" | |
8074 | " mailbox command\n"); | |
8075 | } else { | |
8076 | lpfc_nlp_put(ndlp); | |
8077 | return; | |
8078 | } | |
8079 | ||
92d7f7b0 JS |
8080 | default: |
8081 | /* Try to recover from this error */ | |
5af5eee7 JS |
8082 | if (phba->sli_rev == LPFC_SLI_REV4) |
8083 | lpfc_sli4_unreg_all_rpis(vport); | |
92d7f7b0 | 8084 | lpfc_mbx_unreg_vpi(vport); |
09372820 | 8085 | spin_lock_irq(shost->host_lock); |
92d7f7b0 | 8086 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; |
09372820 | 8087 | spin_unlock_irq(shost->host_lock); |
4b40c59e JS |
8088 | if (vport->port_type == LPFC_PHYSICAL_PORT |
8089 | && !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) | |
76a95d75 | 8090 | lpfc_issue_init_vfi(vport); |
7f5f3d0d JS |
8091 | else |
8092 | lpfc_initial_fdisc(vport); | |
92d7f7b0 JS |
8093 | break; |
8094 | } | |
92d7f7b0 | 8095 | } else { |
695a814e | 8096 | spin_lock_irq(shost->host_lock); |
1987807d | 8097 | vport->vpi_state |= LPFC_VPI_REGISTERED; |
695a814e JS |
8098 | spin_unlock_irq(shost->host_lock); |
8099 | if (vport == phba->pport) { | |
6fb120a7 JS |
8100 | if (phba->sli_rev < LPFC_SLI_REV4) |
8101 | lpfc_issue_fabric_reglogin(vport); | |
695a814e | 8102 | else { |
fc2b989b JS |
8103 | /* |
8104 | * If the physical port is instantiated using | |
8105 | * FDISC, do not start vport discovery. | |
8106 | */ | |
8107 | if (vport->port_state != LPFC_FDISC) | |
8108 | lpfc_start_fdiscs(phba); | |
695a814e JS |
8109 | lpfc_do_scr_ns_plogi(phba, vport); |
8110 | } | |
8111 | } else | |
92d7f7b0 JS |
8112 | lpfc_do_scr_ns_plogi(phba, vport); |
8113 | } | |
38b92ef8 | 8114 | mbox_err_exit: |
fa4066b6 JS |
8115 | /* Now, we decrement the ndlp reference count held for this |
8116 | * callback function | |
8117 | */ | |
8118 | lpfc_nlp_put(ndlp); | |
8119 | ||
92d7f7b0 JS |
8120 | mempool_free(pmb, phba->mbox_mem_pool); |
8121 | return; | |
8122 | } | |
8123 | ||
e59058c4 | 8124 | /** |
3621a710 | 8125 | * lpfc_register_new_vport - Register a new vport with a HBA |
e59058c4 JS |
8126 | * @phba: pointer to lpfc hba data structure. |
8127 | * @vport: pointer to a host virtual N_Port data structure. | |
8128 | * @ndlp: pointer to a node-list data structure. | |
8129 | * | |
8130 | * This routine registers the @vport as a new virtual port with a HBA. | |
8131 | * It is done through a registering vpi mailbox command. | |
8132 | **/ | |
695a814e | 8133 | void |
92d7f7b0 JS |
8134 | lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, |
8135 | struct lpfc_nodelist *ndlp) | |
8136 | { | |
09372820 | 8137 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
92d7f7b0 JS |
8138 | LPFC_MBOXQ_t *mbox; |
8139 | ||
8140 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
8141 | if (mbox) { | |
6fb120a7 | 8142 | lpfc_reg_vpi(vport, mbox); |
92d7f7b0 JS |
8143 | mbox->vport = vport; |
8144 | mbox->context2 = lpfc_nlp_get(ndlp); | |
8145 | mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; | |
0b727fea | 8146 | if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) |
92d7f7b0 | 8147 | == MBX_NOT_FINISHED) { |
fa4066b6 JS |
8148 | /* mailbox command not success, decrement ndlp |
8149 | * reference count for this command | |
8150 | */ | |
8151 | lpfc_nlp_put(ndlp); | |
92d7f7b0 | 8152 | mempool_free(mbox, phba->mbox_mem_pool); |
92d7f7b0 | 8153 | |
e8b62011 JS |
8154 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
8155 | "0253 Register VPI: Can't send mbox\n"); | |
fa4066b6 | 8156 | goto mbox_err_exit; |
92d7f7b0 JS |
8157 | } |
8158 | } else { | |
e8b62011 JS |
8159 | lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, |
8160 | "0254 Register VPI: no memory\n"); | |
fa4066b6 | 8161 | goto mbox_err_exit; |
92d7f7b0 | 8162 | } |
fa4066b6 JS |
8163 | return; |
8164 | ||
8165 | mbox_err_exit: | |
8166 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
8167 | spin_lock_irq(shost->host_lock); | |
8168 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
8169 | spin_unlock_irq(shost->host_lock); | |
8170 | return; | |
92d7f7b0 JS |
8171 | } |
8172 | ||
695a814e | 8173 | /** |
0c9ab6f5 | 8174 | * lpfc_cancel_all_vport_retry_delay_timer - Cancel all vport retry delay timer |
695a814e JS |
8175 | * @phba: pointer to lpfc hba data structure. |
8176 | * | |
0c9ab6f5 | 8177 | * This routine cancels the retry delay timers to all the vports. |
695a814e JS |
8178 | **/ |
8179 | void | |
0c9ab6f5 | 8180 | lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *phba) |
695a814e JS |
8181 | { |
8182 | struct lpfc_vport **vports; | |
8183 | struct lpfc_nodelist *ndlp; | |
695a814e | 8184 | uint32_t link_state; |
0c9ab6f5 | 8185 | int i; |
695a814e JS |
8186 | |
8187 | /* Treat this failure as linkdown for all vports */ | |
8188 | link_state = phba->link_state; | |
8189 | lpfc_linkdown(phba); | |
8190 | phba->link_state = link_state; | |
8191 | ||
8192 | vports = lpfc_create_vport_work_array(phba); | |
8193 | ||
8194 | if (vports) { | |
8195 | for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { | |
8196 | ndlp = lpfc_findnode_did(vports[i], Fabric_DID); | |
8197 | if (ndlp) | |
8198 | lpfc_cancel_retry_delay_tmo(vports[i], ndlp); | |
8199 | lpfc_els_flush_cmd(vports[i]); | |
8200 | } | |
8201 | lpfc_destroy_vport_work_array(phba, vports); | |
8202 | } | |
0c9ab6f5 JS |
8203 | } |
8204 | ||
8205 | /** | |
8206 | * lpfc_retry_pport_discovery - Start timer to retry FLOGI. | |
8207 | * @phba: pointer to lpfc hba data structure. | |
8208 | * | |
8209 | * This routine abort all pending discovery commands and | |
8210 | * start a timer to retry FLOGI for the physical port | |
8211 | * discovery. | |
8212 | **/ | |
8213 | void | |
8214 | lpfc_retry_pport_discovery(struct lpfc_hba *phba) | |
8215 | { | |
8216 | struct lpfc_nodelist *ndlp; | |
8217 | struct Scsi_Host *shost; | |
8218 | ||
8219 | /* Cancel the all vports retry delay retry timers */ | |
8220 | lpfc_cancel_all_vport_retry_delay_timer(phba); | |
695a814e JS |
8221 | |
8222 | /* If fabric require FLOGI, then re-instantiate physical login */ | |
8223 | ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); | |
8224 | if (!ndlp) | |
8225 | return; | |
8226 | ||
695a814e | 8227 | shost = lpfc_shost_from_vport(phba->pport); |
256ec0d0 | 8228 | mod_timer(&ndlp->nlp_delayfunc, jiffies + msecs_to_jiffies(1000)); |
695a814e JS |
8229 | spin_lock_irq(shost->host_lock); |
8230 | ndlp->nlp_flag |= NLP_DELAY_TMO; | |
8231 | spin_unlock_irq(shost->host_lock); | |
8232 | ndlp->nlp_last_elscmd = ELS_CMD_FLOGI; | |
8233 | phba->pport->port_state = LPFC_FLOGI; | |
8234 | return; | |
8235 | } | |
8236 | ||
8237 | /** | |
8238 | * lpfc_fabric_login_reqd - Check if FLOGI required. | |
8239 | * @phba: pointer to lpfc hba data structure. | |
8240 | * @cmdiocb: pointer to FDISC command iocb. | |
8241 | * @rspiocb: pointer to FDISC response iocb. | |
8242 | * | |
8243 | * This routine checks if a FLOGI is reguired for FDISC | |
8244 | * to succeed. | |
8245 | **/ | |
8246 | static int | |
8247 | lpfc_fabric_login_reqd(struct lpfc_hba *phba, | |
8248 | struct lpfc_iocbq *cmdiocb, | |
8249 | struct lpfc_iocbq *rspiocb) | |
8250 | { | |
8251 | ||
8252 | if ((rspiocb->iocb.ulpStatus != IOSTAT_FABRIC_RJT) || | |
8253 | (rspiocb->iocb.un.ulpWord[4] != RJT_LOGIN_REQUIRED)) | |
8254 | return 0; | |
8255 | else | |
8256 | return 1; | |
8257 | } | |
8258 | ||
e59058c4 | 8259 | /** |
3621a710 | 8260 | * lpfc_cmpl_els_fdisc - Completion function for fdisc iocb command |
e59058c4 JS |
8261 | * @phba: pointer to lpfc hba data structure. |
8262 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
8263 | * @rspiocb: pointer to lpfc response iocb data structure. | |
8264 | * | |
8265 | * This routine is the completion callback function to a Fabric Discover | |
8266 | * (FDISC) ELS command. Since all the FDISC ELS commands are issued | |
8267 | * single threaded, each FDISC completion callback function will reset | |
8268 | * the discovery timer for all vports such that the timers will not get | |
8269 | * unnecessary timeout. The function checks the FDISC IOCB status. If error | |
8270 | * detected, the vport will be set to FC_VPORT_FAILED state. Otherwise,the | |
8271 | * vport will set to FC_VPORT_ACTIVE state. It then checks whether the DID | |
8272 | * assigned to the vport has been changed with the completion of the FDISC | |
8273 | * command. If so, both RPI (Remote Port Index) and VPI (Virtual Port Index) | |
8274 | * are unregistered from the HBA, and then the lpfc_register_new_vport() | |
8275 | * routine is invoked to register new vport with the HBA. Otherwise, the | |
8276 | * lpfc_do_scr_ns_plogi() routine is invoked to issue a PLOGI to the Name | |
8277 | * Server for State Change Request (SCR). | |
8278 | **/ | |
92d7f7b0 JS |
8279 | static void |
8280 | lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
8281 | struct lpfc_iocbq *rspiocb) | |
8282 | { | |
8283 | struct lpfc_vport *vport = cmdiocb->vport; | |
8284 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
8285 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
8286 | struct lpfc_nodelist *np; | |
8287 | struct lpfc_nodelist *next_np; | |
8288 | IOCB_t *irsp = &rspiocb->iocb; | |
8289 | struct lpfc_iocbq *piocb; | |
92494144 JS |
8290 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; |
8291 | struct serv_parm *sp; | |
8292 | uint8_t fabric_param_changed; | |
92d7f7b0 | 8293 | |
e8b62011 JS |
8294 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
8295 | "0123 FDISC completes. x%x/x%x prevDID: x%x\n", | |
8296 | irsp->ulpStatus, irsp->un.ulpWord[4], | |
8297 | vport->fc_prevDID); | |
92d7f7b0 JS |
8298 | /* Since all FDISCs are being single threaded, we |
8299 | * must reset the discovery timer for ALL vports | |
8300 | * waiting to send FDISC when one completes. | |
8301 | */ | |
8302 | list_for_each_entry(piocb, &phba->fabric_iocb_list, list) { | |
8303 | lpfc_set_disctmo(piocb->vport); | |
8304 | } | |
8305 | ||
858c9f6c JS |
8306 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
8307 | "FDISC cmpl: status:x%x/x%x prevdid:x%x", | |
8308 | irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_prevDID); | |
8309 | ||
92d7f7b0 | 8310 | if (irsp->ulpStatus) { |
695a814e JS |
8311 | |
8312 | if (lpfc_fabric_login_reqd(phba, cmdiocb, rspiocb)) { | |
8313 | lpfc_retry_pport_discovery(phba); | |
8314 | goto out; | |
8315 | } | |
8316 | ||
92d7f7b0 JS |
8317 | /* Check for retry */ |
8318 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) | |
8319 | goto out; | |
92d7f7b0 | 8320 | /* FDISC failed */ |
e8b62011 | 8321 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
6b5151fd | 8322 | "0126 FDISC failed. (x%x/x%x)\n", |
e8b62011 | 8323 | irsp->ulpStatus, irsp->un.ulpWord[4]); |
d7c255b2 JS |
8324 | goto fdisc_failed; |
8325 | } | |
d7c255b2 | 8326 | spin_lock_irq(shost->host_lock); |
695a814e | 8327 | vport->fc_flag &= ~FC_VPORT_CVL_RCVD; |
4b40c59e | 8328 | vport->fc_flag &= ~FC_VPORT_LOGO_RCVD; |
d7c255b2 | 8329 | vport->fc_flag |= FC_FABRIC; |
76a95d75 | 8330 | if (vport->phba->fc_topology == LPFC_TOPOLOGY_LOOP) |
d7c255b2 JS |
8331 | vport->fc_flag |= FC_PUBLIC_LOOP; |
8332 | spin_unlock_irq(shost->host_lock); | |
92d7f7b0 | 8333 | |
d7c255b2 JS |
8334 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
8335 | lpfc_vport_set_state(vport, FC_VPORT_ACTIVE); | |
92494144 | 8336 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); |
a2fc4aef JS |
8337 | if (!prsp) |
8338 | goto out; | |
92494144 JS |
8339 | sp = prsp->virt + sizeof(uint32_t); |
8340 | fabric_param_changed = lpfc_check_clean_addr_bit(vport, sp); | |
8341 | memcpy(&vport->fabric_portname, &sp->portName, | |
8342 | sizeof(struct lpfc_name)); | |
8343 | memcpy(&vport->fabric_nodename, &sp->nodeName, | |
8344 | sizeof(struct lpfc_name)); | |
8345 | if (fabric_param_changed && | |
d7c255b2 JS |
8346 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { |
8347 | /* If our NportID changed, we need to ensure all | |
8348 | * remaining NPORTs get unreg_login'ed so we can | |
8349 | * issue unreg_vpi. | |
8350 | */ | |
8351 | list_for_each_entry_safe(np, next_np, | |
8352 | &vport->fc_nodes, nlp_listp) { | |
8353 | if (!NLP_CHK_NODE_ACT(ndlp) || | |
8354 | (np->nlp_state != NLP_STE_NPR_NODE) || | |
8355 | !(np->nlp_flag & NLP_NPR_ADISC)) | |
8356 | continue; | |
09372820 | 8357 | spin_lock_irq(shost->host_lock); |
d7c255b2 | 8358 | np->nlp_flag &= ~NLP_NPR_ADISC; |
09372820 | 8359 | spin_unlock_irq(shost->host_lock); |
d7c255b2 | 8360 | lpfc_unreg_rpi(vport, np); |
92d7f7b0 | 8361 | } |
78730cfe | 8362 | lpfc_cleanup_pending_mbox(vport); |
5af5eee7 JS |
8363 | |
8364 | if (phba->sli_rev == LPFC_SLI_REV4) | |
8365 | lpfc_sli4_unreg_all_rpis(vport); | |
8366 | ||
d7c255b2 JS |
8367 | lpfc_mbx_unreg_vpi(vport); |
8368 | spin_lock_irq(shost->host_lock); | |
8369 | vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; | |
0f65ff68 JS |
8370 | if (phba->sli_rev == LPFC_SLI_REV4) |
8371 | vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI; | |
4b40c59e JS |
8372 | else |
8373 | vport->fc_flag |= FC_LOGO_RCVD_DID_CHNG; | |
d7c255b2 | 8374 | spin_unlock_irq(shost->host_lock); |
38b92ef8 JS |
8375 | } else if ((phba->sli_rev == LPFC_SLI_REV4) && |
8376 | !(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) { | |
8377 | /* | |
8378 | * Driver needs to re-reg VPI in order for f/w | |
8379 | * to update the MAC address. | |
8380 | */ | |
8381 | lpfc_register_new_vport(phba, vport, ndlp); | |
5ac6b303 | 8382 | goto out; |
92d7f7b0 JS |
8383 | } |
8384 | ||
ecfd03c6 JS |
8385 | if (vport->fc_flag & FC_VPORT_NEEDS_INIT_VPI) |
8386 | lpfc_issue_init_vpi(vport); | |
8387 | else if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) | |
d7c255b2 JS |
8388 | lpfc_register_new_vport(phba, vport, ndlp); |
8389 | else | |
8390 | lpfc_do_scr_ns_plogi(phba, vport); | |
8391 | goto out; | |
8392 | fdisc_failed: | |
c84163d1 JS |
8393 | if (vport->fc_vport->vport_state != FC_VPORT_NO_FABRIC_RSCS) |
8394 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); | |
d7c255b2 JS |
8395 | /* Cancel discovery timer */ |
8396 | lpfc_can_disctmo(vport); | |
8397 | lpfc_nlp_put(ndlp); | |
92d7f7b0 JS |
8398 | out: |
8399 | lpfc_els_free_iocb(phba, cmdiocb); | |
8400 | } | |
8401 | ||
e59058c4 | 8402 | /** |
3621a710 | 8403 | * lpfc_issue_els_fdisc - Issue a fdisc iocb command |
e59058c4 JS |
8404 | * @vport: pointer to a virtual N_Port data structure. |
8405 | * @ndlp: pointer to a node-list data structure. | |
8406 | * @retry: number of retries to the command IOCB. | |
8407 | * | |
8408 | * This routine prepares and issues a Fabric Discover (FDISC) IOCB to | |
8409 | * a remote node (@ndlp) off a @vport. It uses the lpfc_issue_fabric_iocb() | |
8410 | * routine to issue the IOCB, which makes sure only one outstanding fabric | |
8411 | * IOCB will be sent off HBA at any given time. | |
8412 | * | |
8413 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
8414 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
8415 | * will be stored into the context1 field of the IOCB for the completion | |
8416 | * callback function to the FDISC ELS command. | |
8417 | * | |
8418 | * Return code | |
8419 | * 0 - Successfully issued fdisc iocb command | |
8420 | * 1 - Failed to issue fdisc iocb command | |
8421 | **/ | |
a6ababd2 | 8422 | static int |
92d7f7b0 JS |
8423 | lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
8424 | uint8_t retry) | |
8425 | { | |
8426 | struct lpfc_hba *phba = vport->phba; | |
8427 | IOCB_t *icmd; | |
8428 | struct lpfc_iocbq *elsiocb; | |
8429 | struct serv_parm *sp; | |
8430 | uint8_t *pcmd; | |
8431 | uint16_t cmdsize; | |
8432 | int did = ndlp->nlp_DID; | |
8433 | int rc; | |
92d7f7b0 | 8434 | |
5ffc266e | 8435 | vport->port_state = LPFC_FDISC; |
6b5151fd | 8436 | vport->fc_myDID = 0; |
92d7f7b0 JS |
8437 | cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); |
8438 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, | |
8439 | ELS_CMD_FDISC); | |
8440 | if (!elsiocb) { | |
92d7f7b0 | 8441 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
e8b62011 JS |
8442 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
8443 | "0255 Issue FDISC: no IOCB\n"); | |
92d7f7b0 JS |
8444 | return 1; |
8445 | } | |
8446 | ||
8447 | icmd = &elsiocb->iocb; | |
8448 | icmd->un.elsreq64.myID = 0; | |
8449 | icmd->un.elsreq64.fl = 1; | |
8450 | ||
73d91e50 JS |
8451 | /* |
8452 | * SLI3 ports require a different context type value than SLI4. | |
8453 | * Catch SLI3 ports here and override the prep. | |
8454 | */ | |
8455 | if (phba->sli_rev == LPFC_SLI_REV3) { | |
f1126688 JS |
8456 | icmd->ulpCt_h = 1; |
8457 | icmd->ulpCt_l = 0; | |
8458 | } | |
92d7f7b0 JS |
8459 | |
8460 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
8461 | *((uint32_t *) (pcmd)) = ELS_CMD_FDISC; | |
8462 | pcmd += sizeof(uint32_t); /* CSP Word 1 */ | |
8463 | memcpy(pcmd, &vport->phba->pport->fc_sparam, sizeof(struct serv_parm)); | |
8464 | sp = (struct serv_parm *) pcmd; | |
8465 | /* Setup CSPs accordingly for Fabric */ | |
8466 | sp->cmn.e_d_tov = 0; | |
8467 | sp->cmn.w2.r_a_tov = 0; | |
df9e1b59 | 8468 | sp->cmn.virtual_fabric_support = 0; |
92d7f7b0 JS |
8469 | sp->cls1.classValid = 0; |
8470 | sp->cls2.seqDelivery = 1; | |
8471 | sp->cls3.seqDelivery = 1; | |
8472 | ||
8473 | pcmd += sizeof(uint32_t); /* CSP Word 2 */ | |
8474 | pcmd += sizeof(uint32_t); /* CSP Word 3 */ | |
8475 | pcmd += sizeof(uint32_t); /* CSP Word 4 */ | |
8476 | pcmd += sizeof(uint32_t); /* Port Name */ | |
8477 | memcpy(pcmd, &vport->fc_portname, 8); | |
8478 | pcmd += sizeof(uint32_t); /* Node Name */ | |
8479 | pcmd += sizeof(uint32_t); /* Node Name */ | |
8480 | memcpy(pcmd, &vport->fc_nodename, 8); | |
8481 | ||
8482 | lpfc_set_disctmo(vport); | |
8483 | ||
8484 | phba->fc_stat.elsXmitFDISC++; | |
8485 | elsiocb->iocb_cmpl = lpfc_cmpl_els_fdisc; | |
8486 | ||
858c9f6c JS |
8487 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
8488 | "Issue FDISC: did:x%x", | |
8489 | did, 0, 0); | |
8490 | ||
92d7f7b0 JS |
8491 | rc = lpfc_issue_fabric_iocb(phba, elsiocb); |
8492 | if (rc == IOCB_ERROR) { | |
8493 | lpfc_els_free_iocb(phba, elsiocb); | |
92d7f7b0 | 8494 | lpfc_vport_set_state(vport, FC_VPORT_FAILED); |
e8b62011 JS |
8495 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
8496 | "0256 Issue FDISC: Cannot send IOCB\n"); | |
92d7f7b0 JS |
8497 | return 1; |
8498 | } | |
8499 | lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING); | |
92d7f7b0 JS |
8500 | return 0; |
8501 | } | |
8502 | ||
e59058c4 | 8503 | /** |
3621a710 | 8504 | * lpfc_cmpl_els_npiv_logo - Completion function with vport logo |
e59058c4 JS |
8505 | * @phba: pointer to lpfc hba data structure. |
8506 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
8507 | * @rspiocb: pointer to lpfc response iocb data structure. | |
8508 | * | |
8509 | * This routine is the completion callback function to the issuing of a LOGO | |
8510 | * ELS command off a vport. It frees the command IOCB and then decrement the | |
8511 | * reference count held on ndlp for this completion function, indicating that | |
8512 | * the reference to the ndlp is no long needed. Note that the | |
8513 | * lpfc_els_free_iocb() routine decrements the ndlp reference held for this | |
8514 | * callback function and an additional explicit ndlp reference decrementation | |
8515 | * will trigger the actual release of the ndlp. | |
8516 | **/ | |
92d7f7b0 JS |
8517 | static void |
8518 | lpfc_cmpl_els_npiv_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
8519 | struct lpfc_iocbq *rspiocb) | |
8520 | { | |
8521 | struct lpfc_vport *vport = cmdiocb->vport; | |
858c9f6c | 8522 | IOCB_t *irsp; |
e47c9093 | 8523 | struct lpfc_nodelist *ndlp; |
9589b062 | 8524 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
858c9f6c | 8525 | |
9589b062 | 8526 | ndlp = (struct lpfc_nodelist *)cmdiocb->context1; |
858c9f6c JS |
8527 | irsp = &rspiocb->iocb; |
8528 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, | |
8529 | "LOGO npiv cmpl: status:x%x/x%x did:x%x", | |
8530 | irsp->ulpStatus, irsp->un.ulpWord[4], irsp->un.rcvels.remoteID); | |
92d7f7b0 JS |
8531 | |
8532 | lpfc_els_free_iocb(phba, cmdiocb); | |
8533 | vport->unreg_vpi_cmpl = VPORT_ERROR; | |
e47c9093 JS |
8534 | |
8535 | /* Trigger the release of the ndlp after logo */ | |
8536 | lpfc_nlp_put(ndlp); | |
9589b062 JS |
8537 | |
8538 | /* NPIV LOGO completes to NPort <nlp_DID> */ | |
8539 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, | |
8540 | "2928 NPIV LOGO completes to NPort x%x " | |
8541 | "Data: x%x x%x x%x x%x\n", | |
8542 | ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4], | |
8543 | irsp->ulpTimeout, vport->num_disc_nodes); | |
8544 | ||
8545 | if (irsp->ulpStatus == IOSTAT_SUCCESS) { | |
8546 | spin_lock_irq(shost->host_lock); | |
73dc0dbe | 8547 | vport->fc_flag &= ~FC_NDISC_ACTIVE; |
9589b062 JS |
8548 | vport->fc_flag &= ~FC_FABRIC; |
8549 | spin_unlock_irq(shost->host_lock); | |
73dc0dbe | 8550 | lpfc_can_disctmo(vport); |
9589b062 | 8551 | } |
92d7f7b0 JS |
8552 | } |
8553 | ||
e59058c4 | 8554 | /** |
3621a710 | 8555 | * lpfc_issue_els_npiv_logo - Issue a logo off a vport |
e59058c4 JS |
8556 | * @vport: pointer to a virtual N_Port data structure. |
8557 | * @ndlp: pointer to a node-list data structure. | |
8558 | * | |
8559 | * This routine issues a LOGO ELS command to an @ndlp off a @vport. | |
8560 | * | |
8561 | * Note that, in lpfc_prep_els_iocb() routine, the reference count of ndlp | |
8562 | * will be incremented by 1 for holding the ndlp and the reference to ndlp | |
8563 | * will be stored into the context1 field of the IOCB for the completion | |
8564 | * callback function to the LOGO ELS command. | |
8565 | * | |
8566 | * Return codes | |
8567 | * 0 - Successfully issued logo off the @vport | |
8568 | * 1 - Failed to issue logo off the @vport | |
8569 | **/ | |
92d7f7b0 JS |
8570 | int |
8571 | lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
8572 | { | |
8573 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
8574 | struct lpfc_hba *phba = vport->phba; | |
92d7f7b0 JS |
8575 | struct lpfc_iocbq *elsiocb; |
8576 | uint8_t *pcmd; | |
8577 | uint16_t cmdsize; | |
8578 | ||
8579 | cmdsize = 2 * sizeof(uint32_t) + sizeof(struct lpfc_name); | |
8580 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, 0, ndlp, ndlp->nlp_DID, | |
8581 | ELS_CMD_LOGO); | |
8582 | if (!elsiocb) | |
8583 | return 1; | |
8584 | ||
92d7f7b0 JS |
8585 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
8586 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
8587 | pcmd += sizeof(uint32_t); | |
8588 | ||
8589 | /* Fill in LOGO payload */ | |
8590 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); | |
8591 | pcmd += sizeof(uint32_t); | |
8592 | memcpy(pcmd, &vport->fc_portname, sizeof(struct lpfc_name)); | |
8593 | ||
858c9f6c JS |
8594 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD, |
8595 | "Issue LOGO npiv did:x%x flg:x%x", | |
8596 | ndlp->nlp_DID, ndlp->nlp_flag, 0); | |
8597 | ||
92d7f7b0 JS |
8598 | elsiocb->iocb_cmpl = lpfc_cmpl_els_npiv_logo; |
8599 | spin_lock_irq(shost->host_lock); | |
8600 | ndlp->nlp_flag |= NLP_LOGO_SND; | |
8601 | spin_unlock_irq(shost->host_lock); | |
3772a991 JS |
8602 | if (lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0) == |
8603 | IOCB_ERROR) { | |
92d7f7b0 JS |
8604 | spin_lock_irq(shost->host_lock); |
8605 | ndlp->nlp_flag &= ~NLP_LOGO_SND; | |
8606 | spin_unlock_irq(shost->host_lock); | |
8607 | lpfc_els_free_iocb(phba, elsiocb); | |
8608 | return 1; | |
8609 | } | |
8610 | return 0; | |
8611 | } | |
8612 | ||
e59058c4 | 8613 | /** |
3621a710 | 8614 | * lpfc_fabric_block_timeout - Handler function to the fabric block timer |
e59058c4 JS |
8615 | * @ptr: holder for the timer function associated data. |
8616 | * | |
8617 | * This routine is invoked by the fabric iocb block timer after | |
8618 | * timeout. It posts the fabric iocb block timeout event by setting the | |
8619 | * WORKER_FABRIC_BLOCK_TMO bit to work port event bitmap and then invokes | |
8620 | * lpfc_worker_wake_up() routine to wake up the worker thread. It is for | |
8621 | * the worker thread to invoke the lpfc_unblock_fabric_iocbs() on the | |
8622 | * posted event WORKER_FABRIC_BLOCK_TMO. | |
8623 | **/ | |
92d7f7b0 JS |
8624 | void |
8625 | lpfc_fabric_block_timeout(unsigned long ptr) | |
8626 | { | |
8627 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; | |
8628 | unsigned long iflags; | |
8629 | uint32_t tmo_posted; | |
5e9d9b82 | 8630 | |
92d7f7b0 JS |
8631 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); |
8632 | tmo_posted = phba->pport->work_port_events & WORKER_FABRIC_BLOCK_TMO; | |
8633 | if (!tmo_posted) | |
8634 | phba->pport->work_port_events |= WORKER_FABRIC_BLOCK_TMO; | |
8635 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
8636 | ||
5e9d9b82 JS |
8637 | if (!tmo_posted) |
8638 | lpfc_worker_wake_up(phba); | |
8639 | return; | |
92d7f7b0 JS |
8640 | } |
8641 | ||
e59058c4 | 8642 | /** |
3621a710 | 8643 | * lpfc_resume_fabric_iocbs - Issue a fabric iocb from driver internal list |
e59058c4 JS |
8644 | * @phba: pointer to lpfc hba data structure. |
8645 | * | |
8646 | * This routine issues one fabric iocb from the driver internal list to | |
8647 | * the HBA. It first checks whether it's ready to issue one fabric iocb to | |
8648 | * the HBA (whether there is no outstanding fabric iocb). If so, it shall | |
8649 | * remove one pending fabric iocb from the driver internal list and invokes | |
8650 | * lpfc_sli_issue_iocb() routine to send the fabric iocb to the HBA. | |
8651 | **/ | |
92d7f7b0 JS |
8652 | static void |
8653 | lpfc_resume_fabric_iocbs(struct lpfc_hba *phba) | |
8654 | { | |
8655 | struct lpfc_iocbq *iocb; | |
8656 | unsigned long iflags; | |
8657 | int ret; | |
92d7f7b0 JS |
8658 | IOCB_t *cmd; |
8659 | ||
8660 | repeat: | |
8661 | iocb = NULL; | |
8662 | spin_lock_irqsave(&phba->hbalock, iflags); | |
7f5f3d0d | 8663 | /* Post any pending iocb to the SLI layer */ |
92d7f7b0 JS |
8664 | if (atomic_read(&phba->fabric_iocb_count) == 0) { |
8665 | list_remove_head(&phba->fabric_iocb_list, iocb, typeof(*iocb), | |
8666 | list); | |
8667 | if (iocb) | |
7f5f3d0d | 8668 | /* Increment fabric iocb count to hold the position */ |
92d7f7b0 JS |
8669 | atomic_inc(&phba->fabric_iocb_count); |
8670 | } | |
8671 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8672 | if (iocb) { | |
8673 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; | |
8674 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; | |
8675 | iocb->iocb_flag |= LPFC_IO_FABRIC; | |
8676 | ||
858c9f6c JS |
8677 | lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, |
8678 | "Fabric sched1: ste:x%x", | |
8679 | iocb->vport->port_state, 0, 0); | |
8680 | ||
3772a991 | 8681 | ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocb, 0); |
92d7f7b0 JS |
8682 | |
8683 | if (ret == IOCB_ERROR) { | |
8684 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; | |
8685 | iocb->fabric_iocb_cmpl = NULL; | |
8686 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
8687 | cmd = &iocb->iocb; | |
8688 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; | |
8689 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
8690 | iocb->iocb_cmpl(phba, iocb, iocb); | |
8691 | ||
8692 | atomic_dec(&phba->fabric_iocb_count); | |
8693 | goto repeat; | |
8694 | } | |
8695 | } | |
8696 | ||
8697 | return; | |
8698 | } | |
8699 | ||
e59058c4 | 8700 | /** |
3621a710 | 8701 | * lpfc_unblock_fabric_iocbs - Unblock issuing fabric iocb command |
e59058c4 JS |
8702 | * @phba: pointer to lpfc hba data structure. |
8703 | * | |
8704 | * This routine unblocks the issuing fabric iocb command. The function | |
8705 | * will clear the fabric iocb block bit and then invoke the routine | |
8706 | * lpfc_resume_fabric_iocbs() to issue one of the pending fabric iocb | |
8707 | * from the driver internal fabric iocb list. | |
8708 | **/ | |
92d7f7b0 JS |
8709 | void |
8710 | lpfc_unblock_fabric_iocbs(struct lpfc_hba *phba) | |
8711 | { | |
8712 | clear_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
8713 | ||
8714 | lpfc_resume_fabric_iocbs(phba); | |
8715 | return; | |
8716 | } | |
8717 | ||
e59058c4 | 8718 | /** |
3621a710 | 8719 | * lpfc_block_fabric_iocbs - Block issuing fabric iocb command |
e59058c4 JS |
8720 | * @phba: pointer to lpfc hba data structure. |
8721 | * | |
8722 | * This routine blocks the issuing fabric iocb for a specified amount of | |
8723 | * time (currently 100 ms). This is done by set the fabric iocb block bit | |
8724 | * and set up a timeout timer for 100ms. When the block bit is set, no more | |
8725 | * fabric iocb will be issued out of the HBA. | |
8726 | **/ | |
92d7f7b0 JS |
8727 | static void |
8728 | lpfc_block_fabric_iocbs(struct lpfc_hba *phba) | |
8729 | { | |
8730 | int blocked; | |
8731 | ||
8732 | blocked = test_and_set_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
7f5f3d0d | 8733 | /* Start a timer to unblock fabric iocbs after 100ms */ |
92d7f7b0 | 8734 | if (!blocked) |
256ec0d0 JS |
8735 | mod_timer(&phba->fabric_block_timer, |
8736 | jiffies + msecs_to_jiffies(100)); | |
92d7f7b0 JS |
8737 | |
8738 | return; | |
8739 | } | |
8740 | ||
e59058c4 | 8741 | /** |
3621a710 | 8742 | * lpfc_cmpl_fabric_iocb - Completion callback function for fabric iocb |
e59058c4 JS |
8743 | * @phba: pointer to lpfc hba data structure. |
8744 | * @cmdiocb: pointer to lpfc command iocb data structure. | |
8745 | * @rspiocb: pointer to lpfc response iocb data structure. | |
8746 | * | |
8747 | * This routine is the callback function that is put to the fabric iocb's | |
8748 | * callback function pointer (iocb->iocb_cmpl). The original iocb's callback | |
8749 | * function pointer has been stored in iocb->fabric_iocb_cmpl. This callback | |
8750 | * function first restores and invokes the original iocb's callback function | |
8751 | * and then invokes the lpfc_resume_fabric_iocbs() routine to issue the next | |
8752 | * fabric bound iocb from the driver internal fabric iocb list onto the wire. | |
8753 | **/ | |
92d7f7b0 JS |
8754 | static void |
8755 | lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
8756 | struct lpfc_iocbq *rspiocb) | |
8757 | { | |
8758 | struct ls_rjt stat; | |
8759 | ||
8760 | if ((cmdiocb->iocb_flag & LPFC_IO_FABRIC) != LPFC_IO_FABRIC) | |
8761 | BUG(); | |
8762 | ||
8763 | switch (rspiocb->iocb.ulpStatus) { | |
8764 | case IOSTAT_NPORT_RJT: | |
8765 | case IOSTAT_FABRIC_RJT: | |
8766 | if (rspiocb->iocb.un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
8767 | lpfc_block_fabric_iocbs(phba); | |
ed957684 | 8768 | } |
92d7f7b0 JS |
8769 | break; |
8770 | ||
8771 | case IOSTAT_NPORT_BSY: | |
8772 | case IOSTAT_FABRIC_BSY: | |
8773 | lpfc_block_fabric_iocbs(phba); | |
8774 | break; | |
8775 | ||
8776 | case IOSTAT_LS_RJT: | |
8777 | stat.un.lsRjtError = | |
8778 | be32_to_cpu(rspiocb->iocb.un.ulpWord[4]); | |
8779 | if ((stat.un.b.lsRjtRsnCode == LSRJT_UNABLE_TPC) || | |
8780 | (stat.un.b.lsRjtRsnCode == LSRJT_LOGICAL_BSY)) | |
8781 | lpfc_block_fabric_iocbs(phba); | |
8782 | break; | |
8783 | } | |
8784 | ||
8785 | if (atomic_read(&phba->fabric_iocb_count) == 0) | |
8786 | BUG(); | |
8787 | ||
8788 | cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl; | |
8789 | cmdiocb->fabric_iocb_cmpl = NULL; | |
8790 | cmdiocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
8791 | cmdiocb->iocb_cmpl(phba, cmdiocb, rspiocb); | |
8792 | ||
8793 | atomic_dec(&phba->fabric_iocb_count); | |
8794 | if (!test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags)) { | |
7f5f3d0d JS |
8795 | /* Post any pending iocbs to HBA */ |
8796 | lpfc_resume_fabric_iocbs(phba); | |
92d7f7b0 JS |
8797 | } |
8798 | } | |
8799 | ||
e59058c4 | 8800 | /** |
3621a710 | 8801 | * lpfc_issue_fabric_iocb - Issue a fabric iocb command |
e59058c4 JS |
8802 | * @phba: pointer to lpfc hba data structure. |
8803 | * @iocb: pointer to lpfc command iocb data structure. | |
8804 | * | |
8805 | * This routine is used as the top-level API for issuing a fabric iocb command | |
8806 | * such as FLOGI and FDISC. To accommodate certain switch fabric, this driver | |
8807 | * function makes sure that only one fabric bound iocb will be outstanding at | |
8808 | * any given time. As such, this function will first check to see whether there | |
8809 | * is already an outstanding fabric iocb on the wire. If so, it will put the | |
8810 | * newly issued iocb onto the driver internal fabric iocb list, waiting to be | |
8811 | * issued later. Otherwise, it will issue the iocb on the wire and update the | |
8812 | * fabric iocb count it indicate that there is one fabric iocb on the wire. | |
8813 | * | |
8814 | * Note, this implementation has a potential sending out fabric IOCBs out of | |
8815 | * order. The problem is caused by the construction of the "ready" boolen does | |
8816 | * not include the condition that the internal fabric IOCB list is empty. As | |
8817 | * such, it is possible a fabric IOCB issued by this routine might be "jump" | |
8818 | * ahead of the fabric IOCBs in the internal list. | |
8819 | * | |
8820 | * Return code | |
8821 | * IOCB_SUCCESS - either fabric iocb put on the list or issued successfully | |
8822 | * IOCB_ERROR - failed to issue fabric iocb | |
8823 | **/ | |
a6ababd2 | 8824 | static int |
92d7f7b0 JS |
8825 | lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) |
8826 | { | |
8827 | unsigned long iflags; | |
92d7f7b0 JS |
8828 | int ready; |
8829 | int ret; | |
8830 | ||
8831 | if (atomic_read(&phba->fabric_iocb_count) > 1) | |
8832 | BUG(); | |
8833 | ||
8834 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8835 | ready = atomic_read(&phba->fabric_iocb_count) == 0 && | |
8836 | !test_bit(FABRIC_COMANDS_BLOCKED, &phba->bit_flags); | |
8837 | ||
7f5f3d0d JS |
8838 | if (ready) |
8839 | /* Increment fabric iocb count to hold the position */ | |
8840 | atomic_inc(&phba->fabric_iocb_count); | |
92d7f7b0 JS |
8841 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
8842 | if (ready) { | |
8843 | iocb->fabric_iocb_cmpl = iocb->iocb_cmpl; | |
8844 | iocb->iocb_cmpl = lpfc_cmpl_fabric_iocb; | |
8845 | iocb->iocb_flag |= LPFC_IO_FABRIC; | |
8846 | ||
858c9f6c JS |
8847 | lpfc_debugfs_disc_trc(iocb->vport, LPFC_DISC_TRC_ELS_CMD, |
8848 | "Fabric sched2: ste:x%x", | |
8849 | iocb->vport->port_state, 0, 0); | |
8850 | ||
3772a991 | 8851 | ret = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocb, 0); |
92d7f7b0 JS |
8852 | |
8853 | if (ret == IOCB_ERROR) { | |
8854 | iocb->iocb_cmpl = iocb->fabric_iocb_cmpl; | |
8855 | iocb->fabric_iocb_cmpl = NULL; | |
8856 | iocb->iocb_flag &= ~LPFC_IO_FABRIC; | |
8857 | atomic_dec(&phba->fabric_iocb_count); | |
8858 | } | |
8859 | } else { | |
8860 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8861 | list_add_tail(&iocb->list, &phba->fabric_iocb_list); | |
8862 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8863 | ret = IOCB_SUCCESS; | |
8864 | } | |
8865 | return ret; | |
8866 | } | |
8867 | ||
e59058c4 | 8868 | /** |
3621a710 | 8869 | * lpfc_fabric_abort_vport - Abort a vport's iocbs from driver fabric iocb list |
e59058c4 JS |
8870 | * @vport: pointer to a virtual N_Port data structure. |
8871 | * | |
8872 | * This routine aborts all the IOCBs associated with a @vport from the | |
8873 | * driver internal fabric IOCB list. The list contains fabric IOCBs to be | |
8874 | * issued to the ELS IOCB ring. This abort function walks the fabric IOCB | |
8875 | * list, removes each IOCB associated with the @vport off the list, set the | |
8876 | * status feild to IOSTAT_LOCAL_REJECT, and invokes the callback function | |
8877 | * associated with the IOCB. | |
8878 | **/ | |
a6ababd2 | 8879 | static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) |
92d7f7b0 JS |
8880 | { |
8881 | LIST_HEAD(completions); | |
8882 | struct lpfc_hba *phba = vport->phba; | |
8883 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
92d7f7b0 JS |
8884 | |
8885 | spin_lock_irq(&phba->hbalock); | |
8886 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, | |
8887 | list) { | |
8888 | ||
8889 | if (piocb->vport != vport) | |
8890 | continue; | |
8891 | ||
8892 | list_move_tail(&piocb->list, &completions); | |
8893 | } | |
8894 | spin_unlock_irq(&phba->hbalock); | |
8895 | ||
a257bf90 JS |
8896 | /* Cancel all the IOCBs from the completions list */ |
8897 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
8898 | IOERR_SLI_ABORTED); | |
92d7f7b0 JS |
8899 | } |
8900 | ||
e59058c4 | 8901 | /** |
3621a710 | 8902 | * lpfc_fabric_abort_nport - Abort a ndlp's iocbs from driver fabric iocb list |
e59058c4 JS |
8903 | * @ndlp: pointer to a node-list data structure. |
8904 | * | |
8905 | * This routine aborts all the IOCBs associated with an @ndlp from the | |
8906 | * driver internal fabric IOCB list. The list contains fabric IOCBs to be | |
8907 | * issued to the ELS IOCB ring. This abort function walks the fabric IOCB | |
8908 | * list, removes each IOCB associated with the @ndlp off the list, set the | |
8909 | * status feild to IOSTAT_LOCAL_REJECT, and invokes the callback function | |
8910 | * associated with the IOCB. | |
8911 | **/ | |
92d7f7b0 JS |
8912 | void lpfc_fabric_abort_nport(struct lpfc_nodelist *ndlp) |
8913 | { | |
8914 | LIST_HEAD(completions); | |
a257bf90 | 8915 | struct lpfc_hba *phba = ndlp->phba; |
92d7f7b0 JS |
8916 | struct lpfc_iocbq *tmp_iocb, *piocb; |
8917 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; | |
92d7f7b0 JS |
8918 | |
8919 | spin_lock_irq(&phba->hbalock); | |
8920 | list_for_each_entry_safe(piocb, tmp_iocb, &phba->fabric_iocb_list, | |
8921 | list) { | |
8922 | if ((lpfc_check_sli_ndlp(phba, pring, piocb, ndlp))) { | |
8923 | ||
8924 | list_move_tail(&piocb->list, &completions); | |
ed957684 | 8925 | } |
dea3101e | 8926 | } |
92d7f7b0 JS |
8927 | spin_unlock_irq(&phba->hbalock); |
8928 | ||
a257bf90 JS |
8929 | /* Cancel all the IOCBs from the completions list */ |
8930 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
8931 | IOERR_SLI_ABORTED); | |
92d7f7b0 JS |
8932 | } |
8933 | ||
e59058c4 | 8934 | /** |
3621a710 | 8935 | * lpfc_fabric_abort_hba - Abort all iocbs on driver fabric iocb list |
e59058c4 JS |
8936 | * @phba: pointer to lpfc hba data structure. |
8937 | * | |
8938 | * This routine aborts all the IOCBs currently on the driver internal | |
8939 | * fabric IOCB list. The list contains fabric IOCBs to be issued to the ELS | |
8940 | * IOCB ring. This function takes the entire IOCB list off the fabric IOCB | |
8941 | * list, removes IOCBs off the list, set the status feild to | |
8942 | * IOSTAT_LOCAL_REJECT, and invokes the callback function associated with | |
8943 | * the IOCB. | |
8944 | **/ | |
92d7f7b0 JS |
8945 | void lpfc_fabric_abort_hba(struct lpfc_hba *phba) |
8946 | { | |
8947 | LIST_HEAD(completions); | |
92d7f7b0 JS |
8948 | |
8949 | spin_lock_irq(&phba->hbalock); | |
8950 | list_splice_init(&phba->fabric_iocb_list, &completions); | |
8951 | spin_unlock_irq(&phba->hbalock); | |
8952 | ||
a257bf90 JS |
8953 | /* Cancel all the IOCBs from the completions list */ |
8954 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
8955 | IOERR_SLI_ABORTED); | |
dea3101e | 8956 | } |
6fb120a7 | 8957 | |
1151e3ec JS |
8958 | /** |
8959 | * lpfc_sli4_vport_delete_els_xri_aborted -Remove all ndlp references for vport | |
8960 | * @vport: pointer to lpfc vport data structure. | |
8961 | * | |
8962 | * This routine is invoked by the vport cleanup for deletions and the cleanup | |
8963 | * for an ndlp on removal. | |
8964 | **/ | |
8965 | void | |
8966 | lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *vport) | |
8967 | { | |
8968 | struct lpfc_hba *phba = vport->phba; | |
8969 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; | |
8970 | unsigned long iflag = 0; | |
8971 | ||
8972 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8973 | spin_lock(&phba->sli4_hba.abts_sgl_list_lock); | |
8974 | list_for_each_entry_safe(sglq_entry, sglq_next, | |
8975 | &phba->sli4_hba.lpfc_abts_els_sgl_list, list) { | |
8976 | if (sglq_entry->ndlp && sglq_entry->ndlp->vport == vport) | |
8977 | sglq_entry->ndlp = NULL; | |
8978 | } | |
8979 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); | |
8980 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8981 | return; | |
8982 | } | |
8983 | ||
6fb120a7 JS |
8984 | /** |
8985 | * lpfc_sli4_els_xri_aborted - Slow-path process of els xri abort | |
8986 | * @phba: pointer to lpfc hba data structure. | |
8987 | * @axri: pointer to the els xri abort wcqe structure. | |
8988 | * | |
8989 | * This routine is invoked by the worker thread to process a SLI4 slow-path | |
8990 | * ELS aborted xri. | |
8991 | **/ | |
8992 | void | |
8993 | lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba, | |
8994 | struct sli4_wcqe_xri_aborted *axri) | |
8995 | { | |
8996 | uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); | |
19ca7609 | 8997 | uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); |
7851fe2c | 8998 | uint16_t lxri = 0; |
19ca7609 | 8999 | |
6fb120a7 JS |
9000 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
9001 | unsigned long iflag = 0; | |
19ca7609 | 9002 | struct lpfc_nodelist *ndlp; |
589a52d6 | 9003 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
6fb120a7 | 9004 | |
0f65ff68 JS |
9005 | spin_lock_irqsave(&phba->hbalock, iflag); |
9006 | spin_lock(&phba->sli4_hba.abts_sgl_list_lock); | |
6fb120a7 JS |
9007 | list_for_each_entry_safe(sglq_entry, sglq_next, |
9008 | &phba->sli4_hba.lpfc_abts_els_sgl_list, list) { | |
9009 | if (sglq_entry->sli4_xritag == xri) { | |
9010 | list_del(&sglq_entry->list); | |
19ca7609 JS |
9011 | ndlp = sglq_entry->ndlp; |
9012 | sglq_entry->ndlp = NULL; | |
dafe8cea | 9013 | spin_lock(&pring->ring_lock); |
6fb120a7 JS |
9014 | list_add_tail(&sglq_entry->list, |
9015 | &phba->sli4_hba.lpfc_sgl_list); | |
0f65ff68 | 9016 | sglq_entry->state = SGL_FREED; |
dafe8cea | 9017 | spin_unlock(&pring->ring_lock); |
0f65ff68 | 9018 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); |
6fb120a7 | 9019 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
ee0f4fe1 JS |
9020 | lpfc_set_rrq_active(phba, ndlp, |
9021 | sglq_entry->sli4_lxritag, | |
9022 | rxid, 1); | |
589a52d6 JS |
9023 | |
9024 | /* Check if TXQ queue needs to be serviced */ | |
0e9bb8d7 | 9025 | if (!(list_empty(&pring->txq))) |
589a52d6 | 9026 | lpfc_worker_wake_up(phba); |
6fb120a7 JS |
9027 | return; |
9028 | } | |
9029 | } | |
0f65ff68 | 9030 | spin_unlock(&phba->sli4_hba.abts_sgl_list_lock); |
7851fe2c JS |
9031 | lxri = lpfc_sli4_xri_inrange(phba, xri); |
9032 | if (lxri == NO_XRI) { | |
9033 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
9034 | return; | |
9035 | } | |
dafe8cea | 9036 | spin_lock(&pring->ring_lock); |
7851fe2c | 9037 | sglq_entry = __lpfc_get_active_sglq(phba, lxri); |
0f65ff68 | 9038 | if (!sglq_entry || (sglq_entry->sli4_xritag != xri)) { |
dafe8cea | 9039 | spin_unlock(&pring->ring_lock); |
0f65ff68 JS |
9040 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9041 | return; | |
9042 | } | |
9043 | sglq_entry->state = SGL_XRI_ABORTED; | |
dafe8cea | 9044 | spin_unlock(&pring->ring_lock); |
0f65ff68 JS |
9045 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9046 | return; | |
6fb120a7 | 9047 | } |
086a345f JS |
9048 | |
9049 | /* lpfc_sli_abts_recover_port - Recover a port that failed a BLS_ABORT req. | |
9050 | * @vport: pointer to virtual port object. | |
9051 | * @ndlp: nodelist pointer for the impacted node. | |
9052 | * | |
9053 | * The driver calls this routine in response to an SLI4 XRI ABORT CQE | |
9054 | * or an SLI3 ASYNC_STATUS_CN event from the port. For either event, | |
9055 | * the driver is required to send a LOGO to the remote node before it | |
9056 | * attempts to recover its login to the remote node. | |
9057 | */ | |
9058 | void | |
9059 | lpfc_sli_abts_recover_port(struct lpfc_vport *vport, | |
9060 | struct lpfc_nodelist *ndlp) | |
9061 | { | |
9062 | struct Scsi_Host *shost; | |
9063 | struct lpfc_hba *phba; | |
9064 | unsigned long flags = 0; | |
9065 | ||
9066 | shost = lpfc_shost_from_vport(vport); | |
9067 | phba = vport->phba; | |
9068 | if (ndlp->nlp_state != NLP_STE_MAPPED_NODE) { | |
9069 | lpfc_printf_log(phba, KERN_INFO, | |
9070 | LOG_SLI, "3093 No rport recovery needed. " | |
9071 | "rport in state 0x%x\n", ndlp->nlp_state); | |
9072 | return; | |
9073 | } | |
9074 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
9075 | "3094 Start rport recovery on shost id 0x%x " | |
9076 | "fc_id 0x%06x vpi 0x%x rpi 0x%x state 0x%x " | |
9077 | "flags 0x%x\n", | |
9078 | shost->host_no, ndlp->nlp_DID, | |
9079 | vport->vpi, ndlp->nlp_rpi, ndlp->nlp_state, | |
9080 | ndlp->nlp_flag); | |
9081 | /* | |
9082 | * The rport is not responding. Remove the FCP-2 flag to prevent | |
9083 | * an ADISC in the follow-up recovery code. | |
9084 | */ | |
9085 | spin_lock_irqsave(shost->host_lock, flags); | |
9086 | ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE; | |
9087 | spin_unlock_irqrestore(shost->host_lock, flags); | |
9088 | lpfc_issue_els_logo(vport, ndlp, 0); | |
9089 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_LOGO_ISSUE); | |
9090 | } | |
9091 |