Commit | Line | Data |
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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. * |
9413afff | 4 | * Copyright (C) 2004-2007 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 | *******************************************************************/ |
21 | ||
dea3101e | 22 | #include <linux/blkdev.h> |
23 | #include <linux/pci.h> | |
24 | #include <linux/interrupt.h> | |
25 | ||
91886523 | 26 | #include <scsi/scsi.h> |
dea3101e | 27 | #include <scsi/scsi_device.h> |
28 | #include <scsi/scsi_host.h> | |
29 | #include <scsi/scsi_transport_fc.h> | |
30 | ||
31 | #include "lpfc_hw.h" | |
32 | #include "lpfc_sli.h" | |
33 | #include "lpfc_disc.h" | |
34 | #include "lpfc_scsi.h" | |
35 | #include "lpfc.h" | |
36 | #include "lpfc_logmsg.h" | |
37 | #include "lpfc_crtn.h" | |
38 | ||
39 | static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, | |
40 | struct lpfc_iocbq *); | |
41 | static int lpfc_max_els_tries = 3; | |
42 | ||
43 | static int | |
2e0fef85 | 44 | lpfc_els_chk_latt(struct lpfc_vport *vport) |
dea3101e | 45 | { |
2e0fef85 JS |
46 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
47 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 48 | uint32_t ha_copy; |
dea3101e | 49 | |
2e0fef85 JS |
50 | if (vport->port_state >= LPFC_VPORT_READY || |
51 | phba->link_state == LPFC_LINK_DOWN) | |
dea3101e | 52 | return 0; |
53 | ||
54 | /* Read the HBA Host Attention Register */ | |
dea3101e | 55 | ha_copy = readl(phba->HAregaddr); |
dea3101e | 56 | |
57 | if (!(ha_copy & HA_LATT)) | |
58 | return 0; | |
59 | ||
60 | /* Pending Link Event during Discovery */ | |
61 | lpfc_printf_log(phba, KERN_WARNING, LOG_DISCOVERY, | |
62 | "%d:0237 Pending Link Event during " | |
63 | "Discovery: State x%x\n", | |
2e0fef85 | 64 | phba->brd_no, phba->pport->port_state); |
dea3101e | 65 | |
66 | /* CLEAR_LA should re-enable link attention events and | |
67 | * we should then imediately take a LATT event. The | |
68 | * LATT processing should call lpfc_linkdown() which | |
69 | * will cleanup any left over in-progress discovery | |
70 | * events. | |
71 | */ | |
2e0fef85 JS |
72 | spin_lock_irq(shost->host_lock); |
73 | vport->fc_flag |= FC_ABORT_DISCOVERY; | |
74 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 75 | |
2e0fef85 | 76 | if (phba->link_state != LPFC_CLEAR_LA) { |
ed957684 | 77 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 78 | } |
79 | ||
c9f8735b | 80 | return 1; |
dea3101e | 81 | |
82 | } | |
83 | ||
84 | static struct lpfc_iocbq * | |
2e0fef85 JS |
85 | lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, |
86 | uint16_t cmdSize, uint8_t retry, | |
87 | struct lpfc_nodelist *ndlp, uint32_t did, | |
88 | uint32_t elscmd) | |
dea3101e | 89 | { |
2e0fef85 | 90 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 | 91 | struct lpfc_iocbq *elsiocb; |
dea3101e | 92 | struct lpfc_dmabuf *pcmd, *prsp, *pbuflist; |
93 | struct ulp_bde64 *bpl; | |
94 | IOCB_t *icmd; | |
95 | ||
dea3101e | 96 | |
2e0fef85 JS |
97 | if (!lpfc_is_link_up(phba)) |
98 | return NULL; | |
dea3101e | 99 | |
dea3101e | 100 | /* Allocate buffer for command iocb */ |
0bd4ca25 | 101 | elsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e | 102 | |
103 | if (elsiocb == NULL) | |
104 | return NULL; | |
dea3101e | 105 | icmd = &elsiocb->iocb; |
106 | ||
107 | /* fill in BDEs for command */ | |
108 | /* Allocate buffer for command payload */ | |
109 | if (((pcmd = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) || | |
110 | ((pcmd->virt = lpfc_mbuf_alloc(phba, | |
111 | MEM_PRI, &(pcmd->phys))) == 0)) { | |
c9475cb0 | 112 | kfree(pcmd); |
dea3101e | 113 | |
604a3e30 | 114 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e | 115 | return NULL; |
116 | } | |
117 | ||
118 | INIT_LIST_HEAD(&pcmd->list); | |
119 | ||
120 | /* Allocate buffer for response payload */ | |
121 | if (expectRsp) { | |
122 | prsp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
123 | if (prsp) | |
124 | prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, | |
125 | &prsp->phys); | |
126 | if (prsp == 0 || prsp->virt == 0) { | |
c9475cb0 | 127 | kfree(prsp); |
dea3101e | 128 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
129 | kfree(pcmd); | |
604a3e30 | 130 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e | 131 | return NULL; |
132 | } | |
133 | INIT_LIST_HEAD(&prsp->list); | |
134 | } else { | |
135 | prsp = NULL; | |
136 | } | |
137 | ||
138 | /* Allocate buffer for Buffer ptr list */ | |
139 | pbuflist = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); | |
140 | if (pbuflist) | |
ed957684 JS |
141 | pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, |
142 | &pbuflist->phys); | |
dea3101e | 143 | if (pbuflist == 0 || pbuflist->virt == 0) { |
604a3e30 | 144 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e | 145 | lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); |
146 | lpfc_mbuf_free(phba, prsp->virt, prsp->phys); | |
147 | kfree(pcmd); | |
148 | kfree(prsp); | |
c9475cb0 | 149 | kfree(pbuflist); |
dea3101e | 150 | return NULL; |
151 | } | |
152 | ||
153 | INIT_LIST_HEAD(&pbuflist->list); | |
154 | ||
155 | icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys); | |
156 | icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys); | |
157 | icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BDL; | |
2e0fef85 | 158 | icmd->un.elsreq64.remoteID = did; /* DID */ |
dea3101e | 159 | if (expectRsp) { |
160 | icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64)); | |
dea3101e | 161 | icmd->ulpCommand = CMD_ELS_REQUEST64_CR; |
2680eeaa | 162 | icmd->ulpTimeout = phba->fc_ratov * 2; |
dea3101e | 163 | } else { |
164 | icmd->un.elsreq64.bdl.bdeSize = sizeof (struct ulp_bde64); | |
165 | icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX; | |
166 | } | |
167 | ||
168 | icmd->ulpBdeCount = 1; | |
169 | icmd->ulpLe = 1; | |
170 | icmd->ulpClass = CLASS3; | |
171 | ||
172 | bpl = (struct ulp_bde64 *) pbuflist->virt; | |
173 | bpl->addrLow = le32_to_cpu(putPaddrLow(pcmd->phys)); | |
174 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(pcmd->phys)); | |
175 | bpl->tus.f.bdeSize = cmdSize; | |
176 | bpl->tus.f.bdeFlags = 0; | |
177 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
178 | ||
179 | if (expectRsp) { | |
180 | bpl++; | |
181 | bpl->addrLow = le32_to_cpu(putPaddrLow(prsp->phys)); | |
182 | bpl->addrHigh = le32_to_cpu(putPaddrHigh(prsp->phys)); | |
183 | bpl->tus.f.bdeSize = FCELSSIZE; | |
184 | bpl->tus.f.bdeFlags = BUFF_USE_RCV; | |
185 | bpl->tus.w = le32_to_cpu(bpl->tus.w); | |
186 | } | |
187 | ||
188 | /* Save for completion so we can release these resources */ | |
329f9bc7 JS |
189 | elsiocb->context1 = lpfc_nlp_get(ndlp); |
190 | elsiocb->context2 = pcmd; | |
191 | elsiocb->context3 = pbuflist; | |
dea3101e | 192 | elsiocb->retry = retry; |
2e0fef85 | 193 | elsiocb->vport = vport; |
dea3101e | 194 | elsiocb->drvrTimeout = (phba->fc_ratov << 1) + LPFC_DRVR_TIMEOUT; |
195 | ||
196 | if (prsp) { | |
197 | list_add(&prsp->list, &pcmd->list); | |
198 | } | |
199 | ||
200 | if (expectRsp) { | |
201 | /* Xmit ELS command <elsCmd> to remote NPORT <did> */ | |
202 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
203 | "%d:0116 Xmit ELS command x%x to remote " | |
2e0fef85 JS |
204 | "NPORT x%x I/O tag: x%x, port state: x%x\n", |
205 | phba->brd_no, elscmd, did, | |
206 | elsiocb->iotag, vport->port_state); | |
dea3101e | 207 | } else { |
208 | /* Xmit ELS response <elsCmd> to remote NPORT <did> */ | |
209 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
210 | "%d:0117 Xmit ELS response x%x to remote " | |
1dcb58e5 | 211 | "NPORT x%x I/O tag: x%x, size: x%x\n", |
dea3101e | 212 | phba->brd_no, elscmd, |
1dcb58e5 | 213 | ndlp->nlp_DID, elsiocb->iotag, cmdSize); |
dea3101e | 214 | } |
215 | ||
c9f8735b | 216 | return elsiocb; |
dea3101e | 217 | } |
218 | ||
219 | ||
220 | static int | |
2e0fef85 JS |
221 | lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
222 | struct serv_parm *sp, IOCB_t *irsp) | |
dea3101e | 223 | { |
2e0fef85 JS |
224 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
225 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 226 | LPFC_MBOXQ_t *mbox; |
14691150 | 227 | struct lpfc_dmabuf *mp; |
dea3101e | 228 | int rc; |
229 | ||
2e0fef85 JS |
230 | spin_lock_irq(shost->host_lock); |
231 | vport->fc_flag |= FC_FABRIC; | |
232 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 233 | |
234 | phba->fc_edtov = be32_to_cpu(sp->cmn.e_d_tov); | |
235 | if (sp->cmn.edtovResolution) /* E_D_TOV ticks are in nanoseconds */ | |
236 | phba->fc_edtov = (phba->fc_edtov + 999999) / 1000000; | |
237 | ||
238 | phba->fc_ratov = (be32_to_cpu(sp->cmn.w2.r_a_tov) + 999) / 1000; | |
239 | ||
240 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2e0fef85 JS |
241 | spin_lock_irq(shost->host_lock); |
242 | vport->fc_flag |= FC_PUBLIC_LOOP; | |
243 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 244 | } else { |
245 | /* | |
246 | * If we are a N-port connected to a Fabric, fixup sparam's so | |
247 | * logins to devices on remote loops work. | |
248 | */ | |
2e0fef85 | 249 | vport->fc_sparam.cmn.altBbCredit = 1; |
dea3101e | 250 | } |
251 | ||
2e0fef85 | 252 | vport->fc_myDID = irsp->un.ulpWord[4] & Mask_DID; |
dea3101e | 253 | memcpy(&ndlp->nlp_portname, &sp->portName, sizeof(struct lpfc_name)); |
254 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, sizeof (struct lpfc_name)); | |
255 | ndlp->nlp_class_sup = 0; | |
256 | if (sp->cls1.classValid) | |
257 | ndlp->nlp_class_sup |= FC_COS_CLASS1; | |
258 | if (sp->cls2.classValid) | |
259 | ndlp->nlp_class_sup |= FC_COS_CLASS2; | |
260 | if (sp->cls3.classValid) | |
261 | ndlp->nlp_class_sup |= FC_COS_CLASS3; | |
262 | if (sp->cls4.classValid) | |
263 | ndlp->nlp_class_sup |= FC_COS_CLASS4; | |
264 | ndlp->nlp_maxframe = ((sp->cmn.bbRcvSizeMsb & 0x0F) << 8) | | |
265 | sp->cmn.bbRcvSizeLsb; | |
266 | memcpy(&phba->fc_fabparam, sp, sizeof(struct serv_parm)); | |
267 | ||
2e0fef85 JS |
268 | ndlp->nlp_sid = irsp->un.ulpWord[4] & Mask_DID; |
269 | ||
dea3101e | 270 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
271 | if (!mbox) | |
272 | goto fail; | |
273 | ||
2e0fef85 | 274 | vport->port_state = LPFC_FABRIC_CFG_LINK; |
dea3101e | 275 | lpfc_config_link(phba, mbox); |
276 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 277 | mbox->vport = vport; |
dea3101e | 278 | |
279 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); | |
280 | if (rc == MBX_NOT_FINISHED) | |
281 | goto fail_free_mbox; | |
282 | ||
283 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
284 | if (!mbox) | |
285 | goto fail; | |
2e0fef85 JS |
286 | rc = lpfc_reg_login(phba, Fabric_DID, (uint8_t *) sp, mbox, 0); |
287 | if (rc) | |
dea3101e | 288 | goto fail_free_mbox; |
289 | ||
dea3101e | 290 | mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; |
2e0fef85 | 291 | mbox->vport = vport; |
329f9bc7 | 292 | mbox->context2 = lpfc_nlp_get(ndlp); |
dea3101e | 293 | |
294 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); | |
295 | if (rc == MBX_NOT_FINISHED) | |
14691150 | 296 | goto fail_issue_reg_login; |
dea3101e | 297 | |
298 | return 0; | |
299 | ||
14691150 | 300 | fail_issue_reg_login: |
329f9bc7 | 301 | lpfc_nlp_put(ndlp); |
14691150 JS |
302 | mp = (struct lpfc_dmabuf *) mbox->context1; |
303 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
304 | kfree(mp); | |
dea3101e | 305 | fail_free_mbox: |
306 | mempool_free(mbox, phba->mbox_mem_pool); | |
307 | fail: | |
308 | return -ENXIO; | |
309 | } | |
310 | ||
311 | /* | |
312 | * We FLOGIed into an NPort, initiate pt2pt protocol | |
313 | */ | |
314 | static int | |
2e0fef85 JS |
315 | lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
316 | struct serv_parm *sp) | |
dea3101e | 317 | { |
2e0fef85 JS |
318 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
319 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 320 | LPFC_MBOXQ_t *mbox; |
321 | int rc; | |
322 | ||
2e0fef85 JS |
323 | spin_lock_irq(shost->host_lock); |
324 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
325 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 326 | |
327 | phba->fc_edtov = FF_DEF_EDTOV; | |
328 | phba->fc_ratov = FF_DEF_RATOV; | |
2e0fef85 | 329 | rc = memcmp(&vport->fc_portname, &sp->portName, |
dea3101e | 330 | sizeof(struct lpfc_name)); |
331 | if (rc >= 0) { | |
332 | /* This side will initiate the PLOGI */ | |
2e0fef85 JS |
333 | spin_lock_irq(shost->host_lock); |
334 | vport->fc_flag |= FC_PT2PT_PLOGI; | |
335 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 336 | |
337 | /* | |
338 | * N_Port ID cannot be 0, set our to LocalID the other | |
339 | * side will be RemoteID. | |
340 | */ | |
341 | ||
342 | /* not equal */ | |
343 | if (rc) | |
2e0fef85 | 344 | vport->fc_myDID = PT2PT_LocalID; |
dea3101e | 345 | |
346 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
347 | if (!mbox) | |
348 | goto fail; | |
349 | ||
350 | lpfc_config_link(phba, mbox); | |
351 | ||
352 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 353 | mbox->vport = vport; |
dea3101e | 354 | rc = lpfc_sli_issue_mbox(phba, mbox, |
355 | MBX_NOWAIT | MBX_STOP_IOCB); | |
356 | if (rc == MBX_NOT_FINISHED) { | |
357 | mempool_free(mbox, phba->mbox_mem_pool); | |
358 | goto fail; | |
359 | } | |
329f9bc7 | 360 | lpfc_nlp_put(ndlp); |
dea3101e | 361 | |
2e0fef85 | 362 | ndlp = lpfc_findnode_did(vport, PT2PT_RemoteID); |
dea3101e | 363 | if (!ndlp) { |
364 | /* | |
365 | * Cannot find existing Fabric ndlp, so allocate a | |
366 | * new one | |
367 | */ | |
368 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); | |
369 | if (!ndlp) | |
370 | goto fail; | |
371 | ||
2e0fef85 | 372 | lpfc_nlp_init(vport, ndlp, PT2PT_RemoteID); |
dea3101e | 373 | } |
374 | ||
375 | memcpy(&ndlp->nlp_portname, &sp->portName, | |
2e0fef85 | 376 | sizeof(struct lpfc_name)); |
dea3101e | 377 | memcpy(&ndlp->nlp_nodename, &sp->nodeName, |
2e0fef85 JS |
378 | sizeof(struct lpfc_name)); |
379 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); | |
380 | spin_lock_irq(shost->host_lock); | |
dea3101e | 381 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 382 | spin_unlock_irq(shost->host_lock); |
dea3101e | 383 | } else { |
384 | /* This side will wait for the PLOGI */ | |
329f9bc7 | 385 | lpfc_nlp_put(ndlp); |
dea3101e | 386 | } |
387 | ||
2e0fef85 JS |
388 | spin_lock_irq(shost->host_lock); |
389 | vport->fc_flag |= FC_PT2PT; | |
390 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 391 | |
392 | /* Start discovery - this should just do CLEAR_LA */ | |
2e0fef85 | 393 | lpfc_disc_start(vport); |
dea3101e | 394 | return 0; |
395 | fail: | |
396 | return -ENXIO; | |
397 | } | |
398 | ||
399 | static void | |
329f9bc7 JS |
400 | lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
401 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 402 | { |
2e0fef85 JS |
403 | struct lpfc_vport *vport = cmdiocb->vport; |
404 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 405 | IOCB_t *irsp = &rspiocb->iocb; |
406 | struct lpfc_nodelist *ndlp = cmdiocb->context1; | |
407 | struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp; | |
408 | struct serv_parm *sp; | |
409 | int rc; | |
410 | ||
411 | /* Check to see if link went down during discovery */ | |
2e0fef85 | 412 | if (lpfc_els_chk_latt(vport)) { |
329f9bc7 | 413 | lpfc_nlp_put(ndlp); |
dea3101e | 414 | goto out; |
415 | } | |
416 | ||
417 | if (irsp->ulpStatus) { | |
418 | /* Check for retry */ | |
2e0fef85 | 419 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
dea3101e | 420 | goto out; |
2e0fef85 | 421 | |
dea3101e | 422 | /* FLOGI failed, so there is no fabric */ |
2e0fef85 JS |
423 | spin_lock_irq(shost->host_lock); |
424 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
425 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 426 | |
329f9bc7 | 427 | /* If private loop, then allow max outstanding els to be |
dea3101e | 428 | * LPFC_MAX_DISC_THREADS (32). Scanning in the case of no |
429 | * alpa map would take too long otherwise. | |
430 | */ | |
431 | if (phba->alpa_map[0] == 0) { | |
329f9bc7 | 432 | phba->cfg_discovery_threads = LPFC_MAX_DISC_THREADS; |
dea3101e | 433 | } |
434 | ||
435 | /* FLOGI failure */ | |
436 | lpfc_printf_log(phba, | |
437 | KERN_INFO, | |
438 | LOG_ELS, | |
c9f8735b | 439 | "%d:0100 FLOGI failure Data: x%x x%x x%x\n", |
dea3101e | 440 | phba->brd_no, |
c9f8735b JW |
441 | irsp->ulpStatus, irsp->un.ulpWord[4], |
442 | irsp->ulpTimeout); | |
dea3101e | 443 | goto flogifail; |
444 | } | |
445 | ||
446 | /* | |
447 | * The FLogI succeeded. Sync the data for the CPU before | |
448 | * accessing it. | |
449 | */ | |
450 | prsp = list_get_first(&pcmd->list, struct lpfc_dmabuf, list); | |
451 | ||
452 | sp = prsp->virt + sizeof(uint32_t); | |
453 | ||
454 | /* FLOGI completes successfully */ | |
455 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
456 | "%d:0101 FLOGI completes sucessfully " | |
457 | "Data: x%x x%x x%x x%x\n", | |
458 | phba->brd_no, | |
459 | irsp->un.ulpWord[4], sp->cmn.e_d_tov, | |
460 | sp->cmn.w2.r_a_tov, sp->cmn.edtovResolution); | |
461 | ||
2e0fef85 | 462 | if (vport->port_state == LPFC_FLOGI) { |
dea3101e | 463 | /* |
464 | * If Common Service Parameters indicate Nport | |
465 | * we are point to point, if Fport we are Fabric. | |
466 | */ | |
467 | if (sp->cmn.fPort) | |
2e0fef85 | 468 | rc = lpfc_cmpl_els_flogi_fabric(vport, ndlp, sp, irsp); |
dea3101e | 469 | else |
2e0fef85 | 470 | rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp); |
dea3101e | 471 | |
472 | if (!rc) | |
473 | goto out; | |
474 | } | |
475 | ||
476 | flogifail: | |
329f9bc7 | 477 | lpfc_nlp_put(ndlp); |
dea3101e | 478 | |
479 | if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT || | |
480 | (irsp->un.ulpWord[4] != IOERR_SLI_ABORTED && | |
481 | irsp->un.ulpWord[4] != IOERR_SLI_DOWN)) { | |
482 | /* FLOGI failed, so just use loop map to make discovery list */ | |
2e0fef85 | 483 | lpfc_disc_list_loopmap(vport); |
dea3101e | 484 | |
485 | /* Start discovery */ | |
2e0fef85 | 486 | lpfc_disc_start(vport); |
dea3101e | 487 | } |
488 | ||
489 | out: | |
490 | lpfc_els_free_iocb(phba, cmdiocb); | |
491 | } | |
492 | ||
493 | static int | |
2e0fef85 | 494 | lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 495 | uint8_t retry) |
496 | { | |
2e0fef85 | 497 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 498 | struct serv_parm *sp; |
499 | IOCB_t *icmd; | |
500 | struct lpfc_iocbq *elsiocb; | |
501 | struct lpfc_sli_ring *pring; | |
502 | uint8_t *pcmd; | |
503 | uint16_t cmdsize; | |
504 | uint32_t tmo; | |
505 | int rc; | |
506 | ||
507 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
508 | ||
509 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); | |
2e0fef85 JS |
510 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
511 | ndlp->nlp_DID, ELS_CMD_FLOGI); | |
488d1469 | 512 | if (!elsiocb) |
c9f8735b | 513 | return 1; |
dea3101e | 514 | |
515 | icmd = &elsiocb->iocb; | |
516 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
517 | ||
518 | /* For FLOGI request, remainder of payload is service parameters */ | |
519 | *((uint32_t *) (pcmd)) = ELS_CMD_FLOGI; | |
520 | pcmd += sizeof (uint32_t); | |
2e0fef85 | 521 | memcpy(pcmd, &vport->fc_sparam, sizeof (struct serv_parm)); |
dea3101e | 522 | sp = (struct serv_parm *) pcmd; |
523 | ||
524 | /* Setup CSPs accordingly for Fabric */ | |
525 | sp->cmn.e_d_tov = 0; | |
526 | sp->cmn.w2.r_a_tov = 0; | |
527 | sp->cls1.classValid = 0; | |
528 | sp->cls2.seqDelivery = 1; | |
529 | sp->cls3.seqDelivery = 1; | |
530 | if (sp->cmn.fcphLow < FC_PH3) | |
531 | sp->cmn.fcphLow = FC_PH3; | |
532 | if (sp->cmn.fcphHigh < FC_PH3) | |
533 | sp->cmn.fcphHigh = FC_PH3; | |
534 | ||
535 | tmo = phba->fc_ratov; | |
536 | phba->fc_ratov = LPFC_DISC_FLOGI_TMO; | |
2e0fef85 | 537 | lpfc_set_disctmo(vport); |
dea3101e | 538 | phba->fc_ratov = tmo; |
539 | ||
540 | phba->fc_stat.elsXmitFLOGI++; | |
541 | elsiocb->iocb_cmpl = lpfc_cmpl_els_flogi; | |
dea3101e | 542 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e | 543 | if (rc == IOCB_ERROR) { |
544 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 545 | return 1; |
dea3101e | 546 | } |
c9f8735b | 547 | return 0; |
dea3101e | 548 | } |
549 | ||
550 | int | |
2e0fef85 | 551 | lpfc_els_abort_flogi(struct lpfc_hba *phba) |
dea3101e | 552 | { |
553 | struct lpfc_sli_ring *pring; | |
554 | struct lpfc_iocbq *iocb, *next_iocb; | |
555 | struct lpfc_nodelist *ndlp; | |
556 | IOCB_t *icmd; | |
557 | ||
558 | /* Abort outstanding I/O on NPort <nlp_DID> */ | |
559 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
560 | "%d:0201 Abort outstanding I/O on NPort x%x\n", | |
561 | phba->brd_no, Fabric_DID); | |
562 | ||
563 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
564 | ||
565 | /* | |
566 | * Check the txcmplq for an iocb that matches the nport the driver is | |
567 | * searching for. | |
568 | */ | |
2e0fef85 | 569 | spin_lock_irq(&phba->hbalock); |
dea3101e | 570 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) { |
571 | icmd = &iocb->iocb; | |
2e0fef85 JS |
572 | if (icmd->ulpCommand == CMD_ELS_REQUEST64_CR && |
573 | icmd->un.elsreq64.bdl.ulpIoTag32) { | |
dea3101e | 574 | ndlp = (struct lpfc_nodelist *)(iocb->context1); |
07951076 JS |
575 | if (ndlp && (ndlp->nlp_DID == Fabric_DID)) |
576 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
dea3101e | 577 | } |
578 | } | |
2e0fef85 | 579 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 580 | |
581 | return 0; | |
582 | } | |
583 | ||
584 | int | |
2e0fef85 | 585 | lpfc_initial_flogi(struct lpfc_vport *vport) |
dea3101e | 586 | { |
2e0fef85 | 587 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 588 | struct lpfc_nodelist *ndlp; |
589 | ||
c9f8735b | 590 | /* First look for the Fabric ndlp */ |
2e0fef85 | 591 | ndlp = lpfc_findnode_did(vport, Fabric_DID); |
c9f8735b | 592 | if (!ndlp) { |
dea3101e | 593 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b JW |
594 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
595 | if (!ndlp) | |
596 | return 0; | |
2e0fef85 | 597 | lpfc_nlp_init(vport, ndlp, Fabric_DID); |
c9f8735b | 598 | } else { |
2e0fef85 | 599 | lpfc_dequeue_node(vport, ndlp); |
dea3101e | 600 | } |
2e0fef85 | 601 | if (lpfc_issue_els_flogi(vport, ndlp, 0)) { |
329f9bc7 | 602 | lpfc_nlp_put(ndlp); |
dea3101e | 603 | } |
c9f8735b | 604 | return 1; |
dea3101e | 605 | } |
606 | ||
607 | static void | |
2e0fef85 | 608 | lpfc_more_plogi(struct lpfc_vport *vport) |
dea3101e | 609 | { |
610 | int sentplogi; | |
2e0fef85 | 611 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 612 | |
2e0fef85 JS |
613 | if (vport->num_disc_nodes) |
614 | vport->num_disc_nodes--; | |
dea3101e | 615 | |
616 | /* Continue discovery with <num_disc_nodes> PLOGIs to go */ | |
617 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
618 | "%d:0232 Continue discovery with %d PLOGIs to go " | |
619 | "Data: x%x x%x x%x\n", | |
2e0fef85 JS |
620 | phba->brd_no, vport->num_disc_nodes, |
621 | vport->fc_plogi_cnt, vport->fc_flag, vport->port_state); | |
dea3101e | 622 | |
623 | /* Check to see if there are more PLOGIs to be sent */ | |
2e0fef85 JS |
624 | if (vport->fc_flag & FC_NLP_MORE) |
625 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ | |
626 | sentplogi = lpfc_els_disc_plogi(vport); | |
627 | ||
dea3101e | 628 | return; |
629 | } | |
630 | ||
488d1469 | 631 | static struct lpfc_nodelist * |
685f0bf7 | 632 | lpfc_plogi_confirm_nport(struct lpfc_hba *phba, struct lpfc_dmabuf *prsp, |
488d1469 JS |
633 | struct lpfc_nodelist *ndlp) |
634 | { | |
2e0fef85 | 635 | struct lpfc_vport *vport = ndlp->vport; |
488d1469 | 636 | struct lpfc_nodelist *new_ndlp; |
488d1469 JS |
637 | uint32_t *lp; |
638 | struct serv_parm *sp; | |
639 | uint8_t name[sizeof (struct lpfc_name)]; | |
640 | uint32_t rc; | |
641 | ||
2fb9bd8b JS |
642 | /* Fabric nodes can have the same WWPN so we don't bother searching |
643 | * by WWPN. Just return the ndlp that was given to us. | |
644 | */ | |
645 | if (ndlp->nlp_type & NLP_FABRIC) | |
646 | return ndlp; | |
647 | ||
488d1469 JS |
648 | lp = (uint32_t *) prsp->virt; |
649 | sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); | |
685f0bf7 | 650 | memset(name, 0, sizeof(struct lpfc_name)); |
488d1469 | 651 | |
685f0bf7 | 652 | /* Now we find out if the NPort we are logging into, matches the WWPN |
488d1469 JS |
653 | * we have for that ndlp. If not, we have some work to do. |
654 | */ | |
2e0fef85 | 655 | new_ndlp = lpfc_findnode_wwpn(vport, &sp->portName); |
488d1469 | 656 | |
92795650 | 657 | if (new_ndlp == ndlp) |
488d1469 | 658 | return ndlp; |
488d1469 JS |
659 | |
660 | if (!new_ndlp) { | |
2e0fef85 JS |
661 | rc = memcmp(&ndlp->nlp_portname, name, |
662 | sizeof(struct lpfc_name)); | |
92795650 JS |
663 | if (!rc) |
664 | return ndlp; | |
488d1469 JS |
665 | new_ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC); |
666 | if (!new_ndlp) | |
667 | return ndlp; | |
668 | ||
2e0fef85 | 669 | lpfc_nlp_init(vport, new_ndlp, ndlp->nlp_DID); |
488d1469 JS |
670 | } |
671 | ||
2e0fef85 | 672 | lpfc_unreg_rpi(vport, new_ndlp); |
488d1469 | 673 | new_ndlp->nlp_DID = ndlp->nlp_DID; |
92795650 | 674 | new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; |
2e0fef85 | 675 | lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); |
488d1469 | 676 | |
2e0fef85 | 677 | /* Move this back to NPR state */ |
de0c5b32 | 678 | if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) |
2e0fef85 | 679 | lpfc_drop_node(vport, ndlp); |
92795650 | 680 | else { |
2e0fef85 | 681 | lpfc_unreg_rpi(vport, ndlp); |
92795650 | 682 | ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ |
2e0fef85 | 683 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
92795650 | 684 | } |
488d1469 JS |
685 | return new_ndlp; |
686 | } | |
687 | ||
dea3101e | 688 | static void |
2e0fef85 JS |
689 | lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
690 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 691 | { |
2e0fef85 JS |
692 | struct lpfc_vport *vport = cmdiocb->vport; |
693 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 694 | IOCB_t *irsp; |
dea3101e | 695 | struct lpfc_nodelist *ndlp; |
92795650 | 696 | struct lpfc_dmabuf *prsp; |
dea3101e | 697 | int disc, rc, did, type; |
698 | ||
dea3101e | 699 | /* we pass cmdiocb to state machine which needs rspiocb as well */ |
700 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
701 | ||
702 | irsp = &rspiocb->iocb; | |
2e0fef85 | 703 | ndlp = lpfc_findnode_did(vport, irsp->un.elsreq64.remoteID); |
ed957684 JS |
704 | |
705 | if (!ndlp) { | |
488d1469 | 706 | goto out; |
ed957684 | 707 | } |
dea3101e | 708 | |
709 | /* Since ndlp can be freed in the disc state machine, note if this node | |
710 | * is being used during discovery. | |
711 | */ | |
2e0fef85 | 712 | spin_lock_irq(shost->host_lock); |
dea3101e | 713 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
488d1469 | 714 | ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
2e0fef85 | 715 | spin_unlock_irq(shost->host_lock); |
dea3101e | 716 | rc = 0; |
717 | ||
718 | /* PLOGI completes to NPort <nlp_DID> */ | |
719 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
720 | "%d:0102 PLOGI completes to NPort x%x " | |
c9f8735b | 721 | "Data: x%x x%x x%x x%x x%x\n", |
dea3101e | 722 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b | 723 | irsp->un.ulpWord[4], irsp->ulpTimeout, disc, |
2e0fef85 | 724 | vport->num_disc_nodes); |
dea3101e | 725 | |
726 | /* Check to see if link went down during discovery */ | |
2e0fef85 JS |
727 | if (lpfc_els_chk_latt(vport)) { |
728 | spin_lock_irq(shost->host_lock); | |
dea3101e | 729 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 730 | spin_unlock_irq(shost->host_lock); |
dea3101e | 731 | goto out; |
732 | } | |
733 | ||
734 | /* ndlp could be freed in DSM, save these values now */ | |
735 | type = ndlp->nlp_type; | |
736 | did = ndlp->nlp_DID; | |
737 | ||
738 | if (irsp->ulpStatus) { | |
739 | /* Check for retry */ | |
740 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
741 | /* ELS command is being retried */ | |
742 | if (disc) { | |
2e0fef85 | 743 | spin_lock_irq(shost->host_lock); |
dea3101e | 744 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 745 | spin_unlock_irq(shost->host_lock); |
dea3101e | 746 | } |
747 | goto out; | |
748 | } | |
749 | ||
750 | /* PLOGI failed */ | |
751 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
752 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
753 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 754 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e | 755 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
c9f8735b | 756 | rc = NLP_STE_FREED_NODE; |
2fe165b6 | 757 | } else { |
2e0fef85 | 758 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e | 759 | NLP_EVT_CMPL_PLOGI); |
760 | } | |
761 | } else { | |
762 | /* Good status, call state machine */ | |
92795650 JS |
763 | prsp = list_entry(((struct lpfc_dmabuf *) |
764 | cmdiocb->context2)->list.next, | |
765 | struct lpfc_dmabuf, list); | |
766 | ndlp = lpfc_plogi_confirm_nport(phba, prsp, ndlp); | |
2e0fef85 | 767 | rc = lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e | 768 | NLP_EVT_CMPL_PLOGI); |
769 | } | |
770 | ||
2e0fef85 | 771 | if (disc && vport->num_disc_nodes) { |
dea3101e | 772 | /* Check to see if there are more PLOGIs to be sent */ |
2e0fef85 | 773 | lpfc_more_plogi(vport); |
dea3101e | 774 | |
2e0fef85 JS |
775 | if (vport->num_disc_nodes == 0) { |
776 | spin_lock_irq(shost->host_lock); | |
777 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
778 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 779 | |
2e0fef85 JS |
780 | lpfc_can_disctmo(vport); |
781 | if (vport->fc_flag & FC_RSCN_MODE) { | |
10d4e957 JS |
782 | /* |
783 | * Check to see if more RSCNs came in while | |
784 | * we were processing this one. | |
785 | */ | |
2e0fef85 JS |
786 | if ((vport->fc_rscn_id_cnt == 0) && |
787 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
788 | spin_lock_irq(shost->host_lock); | |
789 | vport->fc_flag &= ~FC_RSCN_MODE; | |
790 | spin_unlock_irq(shost->host_lock); | |
10d4e957 | 791 | } else { |
2e0fef85 | 792 | lpfc_els_handle_rscn(vport); |
10d4e957 | 793 | } |
dea3101e | 794 | } |
795 | } | |
796 | } | |
797 | ||
798 | out: | |
799 | lpfc_els_free_iocb(phba, cmdiocb); | |
800 | return; | |
801 | } | |
802 | ||
803 | int | |
2e0fef85 | 804 | lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) |
dea3101e | 805 | { |
2e0fef85 | 806 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 807 | struct serv_parm *sp; |
808 | IOCB_t *icmd; | |
809 | struct lpfc_iocbq *elsiocb; | |
810 | struct lpfc_sli_ring *pring; | |
811 | struct lpfc_sli *psli; | |
812 | uint8_t *pcmd; | |
813 | uint16_t cmdsize; | |
814 | ||
815 | psli = &phba->sli; | |
816 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
817 | ||
818 | cmdsize = (sizeof (uint32_t) + sizeof (struct serv_parm)); | |
2e0fef85 JS |
819 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, NULL, did, |
820 | ELS_CMD_PLOGI); | |
c9f8735b JW |
821 | if (!elsiocb) |
822 | return 1; | |
dea3101e | 823 | |
824 | icmd = &elsiocb->iocb; | |
825 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
826 | ||
827 | /* For PLOGI request, remainder of payload is service parameters */ | |
828 | *((uint32_t *) (pcmd)) = ELS_CMD_PLOGI; | |
829 | pcmd += sizeof (uint32_t); | |
2e0fef85 | 830 | memcpy(pcmd, &vport->fc_sparam, sizeof (struct serv_parm)); |
dea3101e | 831 | sp = (struct serv_parm *) pcmd; |
832 | ||
833 | if (sp->cmn.fcphLow < FC_PH_4_3) | |
834 | sp->cmn.fcphLow = FC_PH_4_3; | |
835 | ||
836 | if (sp->cmn.fcphHigh < FC_PH3) | |
837 | sp->cmn.fcphHigh = FC_PH3; | |
838 | ||
839 | phba->fc_stat.elsXmitPLOGI++; | |
840 | elsiocb->iocb_cmpl = lpfc_cmpl_els_plogi; | |
dea3101e | 841 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
dea3101e | 842 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 843 | return 1; |
dea3101e | 844 | } |
c9f8735b | 845 | return 0; |
dea3101e | 846 | } |
847 | ||
848 | static void | |
2e0fef85 JS |
849 | lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
850 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 851 | { |
2e0fef85 JS |
852 | struct lpfc_vport *vport = cmdiocb->vport; |
853 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 854 | IOCB_t *irsp; |
855 | struct lpfc_sli *psli; | |
856 | struct lpfc_nodelist *ndlp; | |
857 | ||
858 | psli = &phba->sli; | |
859 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
860 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
861 | ||
862 | irsp = &(rspiocb->iocb); | |
863 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
2e0fef85 | 864 | spin_lock_irq(shost->host_lock); |
dea3101e | 865 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
2e0fef85 | 866 | spin_unlock_irq(shost->host_lock); |
dea3101e | 867 | |
868 | /* PRLI completes to NPort <nlp_DID> */ | |
869 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
870 | "%d:0103 PRLI completes to NPort x%x " | |
c9f8735b | 871 | "Data: x%x x%x x%x x%x\n", |
dea3101e | 872 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b | 873 | irsp->un.ulpWord[4], irsp->ulpTimeout, |
2e0fef85 | 874 | vport->num_disc_nodes); |
dea3101e | 875 | |
2e0fef85 | 876 | vport->fc_prli_sent--; |
dea3101e | 877 | /* Check to see if link went down during discovery */ |
2e0fef85 | 878 | if (lpfc_els_chk_latt(vport)) |
dea3101e | 879 | goto out; |
880 | ||
881 | if (irsp->ulpStatus) { | |
882 | /* Check for retry */ | |
883 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
884 | /* ELS command is being retried */ | |
885 | goto out; | |
886 | } | |
887 | /* PRLI failed */ | |
888 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
889 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
890 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 891 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e | 892 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
893 | goto out; | |
2fe165b6 | 894 | } else { |
2e0fef85 | 895 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e | 896 | NLP_EVT_CMPL_PRLI); |
897 | } | |
898 | } else { | |
899 | /* Good status, call state machine */ | |
2e0fef85 JS |
900 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
901 | NLP_EVT_CMPL_PRLI); | |
dea3101e | 902 | } |
903 | ||
904 | out: | |
905 | lpfc_els_free_iocb(phba, cmdiocb); | |
906 | return; | |
907 | } | |
908 | ||
909 | int | |
2e0fef85 | 910 | lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 911 | uint8_t retry) |
912 | { | |
2e0fef85 JS |
913 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
914 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 915 | PRLI *npr; |
916 | IOCB_t *icmd; | |
917 | struct lpfc_iocbq *elsiocb; | |
918 | struct lpfc_sli_ring *pring; | |
919 | struct lpfc_sli *psli; | |
920 | uint8_t *pcmd; | |
921 | uint16_t cmdsize; | |
922 | ||
923 | psli = &phba->sli; | |
924 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
925 | ||
926 | cmdsize = (sizeof (uint32_t) + sizeof (PRLI)); | |
2e0fef85 JS |
927 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
928 | ndlp->nlp_DID, ELS_CMD_PRLI); | |
488d1469 | 929 | if (!elsiocb) |
c9f8735b | 930 | return 1; |
dea3101e | 931 | |
932 | icmd = &elsiocb->iocb; | |
933 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
934 | ||
935 | /* For PRLI request, remainder of payload is service parameters */ | |
936 | memset(pcmd, 0, (sizeof (PRLI) + sizeof (uint32_t))); | |
937 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLI; | |
938 | pcmd += sizeof (uint32_t); | |
939 | ||
940 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
941 | npr = (PRLI *) pcmd; | |
942 | /* | |
943 | * If our firmware version is 3.20 or later, | |
944 | * set the following bits for FC-TAPE support. | |
945 | */ | |
946 | if (phba->vpd.rev.feaLevelHigh >= 0x02) { | |
947 | npr->ConfmComplAllowed = 1; | |
948 | npr->Retry = 1; | |
949 | npr->TaskRetryIdReq = 1; | |
950 | } | |
951 | npr->estabImagePair = 1; | |
952 | npr->readXferRdyDis = 1; | |
953 | ||
954 | /* For FCP support */ | |
955 | npr->prliType = PRLI_FCP_TYPE; | |
956 | npr->initiatorFunc = 1; | |
957 | ||
958 | phba->fc_stat.elsXmitPRLI++; | |
959 | elsiocb->iocb_cmpl = lpfc_cmpl_els_prli; | |
2e0fef85 | 960 | spin_lock_irq(shost->host_lock); |
dea3101e | 961 | ndlp->nlp_flag |= NLP_PRLI_SND; |
2e0fef85 | 962 | spin_unlock_irq(shost->host_lock); |
dea3101e | 963 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
2e0fef85 | 964 | spin_lock_irq(shost->host_lock); |
dea3101e | 965 | ndlp->nlp_flag &= ~NLP_PRLI_SND; |
2e0fef85 | 966 | spin_unlock_irq(shost->host_lock); |
dea3101e | 967 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 968 | return 1; |
dea3101e | 969 | } |
2e0fef85 | 970 | vport->fc_prli_sent++; |
c9f8735b | 971 | return 0; |
dea3101e | 972 | } |
973 | ||
974 | static void | |
2e0fef85 | 975 | lpfc_more_adisc(struct lpfc_vport *vport) |
dea3101e | 976 | { |
977 | int sentadisc; | |
2e0fef85 | 978 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 979 | |
2e0fef85 JS |
980 | if (vport->num_disc_nodes) |
981 | vport->num_disc_nodes--; | |
dea3101e | 982 | |
983 | /* Continue discovery with <num_disc_nodes> ADISCs to go */ | |
984 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
985 | "%d:0210 Continue discovery with %d ADISCs to go " | |
986 | "Data: x%x x%x x%x\n", | |
2e0fef85 JS |
987 | phba->brd_no, vport->num_disc_nodes, |
988 | vport->fc_adisc_cnt, vport->fc_flag, vport->port_state); | |
dea3101e | 989 | |
990 | /* Check to see if there are more ADISCs to be sent */ | |
2e0fef85 JS |
991 | if (vport->fc_flag & FC_NLP_MORE) { |
992 | lpfc_set_disctmo(vport); | |
993 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ | |
994 | sentadisc = lpfc_els_disc_adisc(vport); | |
dea3101e | 995 | } |
996 | return; | |
997 | } | |
998 | ||
999 | static void | |
2e0fef85 | 1000 | lpfc_rscn_disc(struct lpfc_vport *vport) |
dea3101e | 1001 | { |
2e0fef85 JS |
1002 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1003 | ||
dea3101e | 1004 | /* RSCN discovery */ |
2e0fef85 JS |
1005 | /* go thru NPR nodes and issue ELS PLOGIs */ |
1006 | if (vport->fc_npr_cnt) | |
1007 | if (lpfc_els_disc_plogi(vport)) | |
dea3101e | 1008 | return; |
2e0fef85 JS |
1009 | |
1010 | if (vport->fc_flag & FC_RSCN_MODE) { | |
dea3101e | 1011 | /* Check to see if more RSCNs came in while we were |
1012 | * processing this one. | |
1013 | */ | |
2e0fef85 JS |
1014 | if ((vport->fc_rscn_id_cnt == 0) && |
1015 | (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { | |
1016 | spin_lock_irq(shost->host_lock); | |
1017 | vport->fc_flag &= ~FC_RSCN_MODE; | |
1018 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 1019 | } else { |
2e0fef85 | 1020 | lpfc_els_handle_rscn(vport); |
dea3101e | 1021 | } |
1022 | } | |
1023 | } | |
1024 | ||
1025 | static void | |
2e0fef85 JS |
1026 | lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1027 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1028 | { |
2e0fef85 JS |
1029 | struct lpfc_vport *vport = cmdiocb->vport; |
1030 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 1031 | IOCB_t *irsp; |
dea3101e | 1032 | struct lpfc_nodelist *ndlp; |
2e0fef85 | 1033 | int disc; |
dea3101e | 1034 | |
1035 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1036 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1037 | ||
1038 | irsp = &(rspiocb->iocb); | |
1039 | ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
dea3101e | 1040 | |
1041 | /* Since ndlp can be freed in the disc state machine, note if this node | |
1042 | * is being used during discovery. | |
1043 | */ | |
2e0fef85 | 1044 | spin_lock_irq(shost->host_lock); |
dea3101e | 1045 | disc = (ndlp->nlp_flag & NLP_NPR_2B_DISC); |
c9f8735b | 1046 | ndlp->nlp_flag &= ~(NLP_ADISC_SND | NLP_NPR_2B_DISC); |
2e0fef85 | 1047 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1048 | |
1049 | /* ADISC completes to NPort <nlp_DID> */ | |
1050 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1051 | "%d:0104 ADISC completes to NPort x%x " | |
c9f8735b | 1052 | "Data: x%x x%x x%x x%x x%x\n", |
dea3101e | 1053 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b | 1054 | irsp->un.ulpWord[4], irsp->ulpTimeout, disc, |
2e0fef85 | 1055 | vport->num_disc_nodes); |
dea3101e | 1056 | |
1057 | /* Check to see if link went down during discovery */ | |
2e0fef85 JS |
1058 | if (lpfc_els_chk_latt(vport)) { |
1059 | spin_lock_irq(shost->host_lock); | |
dea3101e | 1060 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 | 1061 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1062 | goto out; |
1063 | } | |
1064 | ||
1065 | if (irsp->ulpStatus) { | |
1066 | /* Check for retry */ | |
1067 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { | |
1068 | /* ELS command is being retried */ | |
1069 | if (disc) { | |
2e0fef85 | 1070 | spin_lock_irq(shost->host_lock); |
dea3101e | 1071 | ndlp->nlp_flag |= NLP_NPR_2B_DISC; |
2e0fef85 JS |
1072 | spin_unlock_irq(shost->host_lock); |
1073 | lpfc_set_disctmo(vport); | |
dea3101e | 1074 | } |
1075 | goto out; | |
1076 | } | |
1077 | /* ADISC failed */ | |
1078 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
c9f8735b JW |
1079 | if ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || |
1080 | ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) && | |
1081 | (irsp->un.ulpWord[4] != IOERR_LINK_DOWN) && | |
1082 | (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) { | |
2e0fef85 | 1083 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e | 1084 | NLP_EVT_CMPL_ADISC); |
1085 | } | |
1086 | } else { | |
1087 | /* Good status, call state machine */ | |
2e0fef85 | 1088 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e | 1089 | NLP_EVT_CMPL_ADISC); |
1090 | } | |
1091 | ||
2e0fef85 | 1092 | if (disc && vport->num_disc_nodes) { |
dea3101e | 1093 | /* Check to see if there are more ADISCs to be sent */ |
2e0fef85 | 1094 | lpfc_more_adisc(vport); |
dea3101e | 1095 | |
1096 | /* Check to see if we are done with ADISC authentication */ | |
2e0fef85 JS |
1097 | if (vport->num_disc_nodes == 0) { |
1098 | lpfc_can_disctmo(vport); | |
dea3101e | 1099 | /* If we get here, there is nothing left to wait for */ |
2e0fef85 JS |
1100 | if (vport->port_state < LPFC_VPORT_READY && |
1101 | phba->link_state != LPFC_CLEAR_LA) { | |
ed957684 | 1102 | if (vport->port_type == LPFC_PHYSICAL_PORT) |
2e0fef85 | 1103 | lpfc_issue_clear_la(phba, vport); |
dea3101e | 1104 | } else { |
2e0fef85 | 1105 | lpfc_rscn_disc(vport); |
dea3101e | 1106 | } |
1107 | } | |
1108 | } | |
dea3101e | 1109 | out: |
1110 | lpfc_els_free_iocb(phba, cmdiocb); | |
1111 | return; | |
1112 | } | |
1113 | ||
1114 | int | |
2e0fef85 | 1115 | lpfc_issue_els_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 1116 | uint8_t retry) |
1117 | { | |
2e0fef85 JS |
1118 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1119 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1120 | ADISC *ap; |
1121 | IOCB_t *icmd; | |
1122 | struct lpfc_iocbq *elsiocb; | |
2e0fef85 JS |
1123 | struct lpfc_sli *psli = &phba->sli; |
1124 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 1125 | uint8_t *pcmd; |
1126 | uint16_t cmdsize; | |
1127 | ||
dea3101e | 1128 | cmdsize = (sizeof (uint32_t) + sizeof (ADISC)); |
2e0fef85 JS |
1129 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1130 | ndlp->nlp_DID, ELS_CMD_ADISC); | |
488d1469 | 1131 | if (!elsiocb) |
c9f8735b | 1132 | return 1; |
dea3101e | 1133 | |
1134 | icmd = &elsiocb->iocb; | |
1135 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1136 | ||
1137 | /* For ADISC request, remainder of payload is service parameters */ | |
1138 | *((uint32_t *) (pcmd)) = ELS_CMD_ADISC; | |
1139 | pcmd += sizeof (uint32_t); | |
1140 | ||
1141 | /* Fill in ADISC payload */ | |
1142 | ap = (ADISC *) pcmd; | |
1143 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
2e0fef85 JS |
1144 | memcpy(&ap->portName, &vport->fc_portname, sizeof (struct lpfc_name)); |
1145 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof (struct lpfc_name)); | |
1146 | ap->DID = be32_to_cpu(vport->fc_myDID); | |
dea3101e | 1147 | |
1148 | phba->fc_stat.elsXmitADISC++; | |
1149 | elsiocb->iocb_cmpl = lpfc_cmpl_els_adisc; | |
2e0fef85 | 1150 | spin_lock_irq(shost->host_lock); |
dea3101e | 1151 | ndlp->nlp_flag |= NLP_ADISC_SND; |
2e0fef85 | 1152 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1153 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
2e0fef85 | 1154 | spin_lock_irq(shost->host_lock); |
dea3101e | 1155 | ndlp->nlp_flag &= ~NLP_ADISC_SND; |
2e0fef85 | 1156 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1157 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1158 | return 1; |
dea3101e | 1159 | } |
c9f8735b | 1160 | return 0; |
dea3101e | 1161 | } |
1162 | ||
1163 | static void | |
2e0fef85 JS |
1164 | lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1165 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1166 | { |
2e0fef85 JS |
1167 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
1168 | struct lpfc_vport *vport = ndlp->vport; | |
1169 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
dea3101e | 1170 | IOCB_t *irsp; |
1171 | struct lpfc_sli *psli; | |
dea3101e | 1172 | |
1173 | psli = &phba->sli; | |
1174 | /* we pass cmdiocb to state machine which needs rspiocb as well */ | |
1175 | cmdiocb->context_un.rsp_iocb = rspiocb; | |
1176 | ||
1177 | irsp = &(rspiocb->iocb); | |
2e0fef85 | 1178 | spin_lock_irq(shost->host_lock); |
dea3101e | 1179 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
2e0fef85 | 1180 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1181 | |
1182 | /* LOGO completes to NPort <nlp_DID> */ | |
1183 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1184 | "%d:0105 LOGO completes to NPort x%x " | |
c9f8735b | 1185 | "Data: x%x x%x x%x x%x\n", |
dea3101e | 1186 | phba->brd_no, ndlp->nlp_DID, irsp->ulpStatus, |
c9f8735b | 1187 | irsp->un.ulpWord[4], irsp->ulpTimeout, |
2e0fef85 | 1188 | vport->num_disc_nodes); |
dea3101e | 1189 | |
1190 | /* Check to see if link went down during discovery */ | |
2e0fef85 | 1191 | if (lpfc_els_chk_latt(vport)) |
dea3101e | 1192 | goto out; |
1193 | ||
1194 | if (irsp->ulpStatus) { | |
1195 | /* Check for retry */ | |
2e0fef85 | 1196 | if (lpfc_els_retry(phba, cmdiocb, rspiocb)) |
dea3101e | 1197 | /* ELS command is being retried */ |
1198 | goto out; | |
dea3101e | 1199 | /* LOGO failed */ |
1200 | /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ | |
1201 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1202 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
6281bfe0 | 1203 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || |
dea3101e | 1204 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN))) { |
1205 | goto out; | |
2fe165b6 | 1206 | } else { |
2e0fef85 | 1207 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
dea3101e | 1208 | NLP_EVT_CMPL_LOGO); |
1209 | } | |
1210 | } else { | |
5024ab17 JW |
1211 | /* Good status, call state machine. |
1212 | * This will unregister the rpi if needed. | |
1213 | */ | |
2e0fef85 JS |
1214 | lpfc_disc_state_machine(vport, ndlp, cmdiocb, |
1215 | NLP_EVT_CMPL_LOGO); | |
dea3101e | 1216 | } |
1217 | ||
1218 | out: | |
1219 | lpfc_els_free_iocb(phba, cmdiocb); | |
1220 | return; | |
1221 | } | |
1222 | ||
1223 | int | |
2e0fef85 | 1224 | lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, |
dea3101e | 1225 | uint8_t retry) |
1226 | { | |
2e0fef85 JS |
1227 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1228 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1229 | IOCB_t *icmd; |
1230 | struct lpfc_iocbq *elsiocb; | |
1231 | struct lpfc_sli_ring *pring; | |
1232 | struct lpfc_sli *psli; | |
1233 | uint8_t *pcmd; | |
1234 | uint16_t cmdsize; | |
1235 | ||
1236 | psli = &phba->sli; | |
1237 | pring = &psli->ring[LPFC_ELS_RING]; | |
1238 | ||
10d4e957 | 1239 | cmdsize = (2 * sizeof (uint32_t)) + sizeof (struct lpfc_name); |
2e0fef85 JS |
1240 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, |
1241 | ndlp->nlp_DID, ELS_CMD_LOGO); | |
488d1469 | 1242 | if (!elsiocb) |
c9f8735b | 1243 | return 1; |
dea3101e | 1244 | |
1245 | icmd = &elsiocb->iocb; | |
1246 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1247 | *((uint32_t *) (pcmd)) = ELS_CMD_LOGO; | |
1248 | pcmd += sizeof (uint32_t); | |
1249 | ||
1250 | /* Fill in LOGO payload */ | |
2e0fef85 | 1251 | *((uint32_t *) (pcmd)) = be32_to_cpu(vport->fc_myDID); |
dea3101e | 1252 | pcmd += sizeof (uint32_t); |
2e0fef85 | 1253 | memcpy(pcmd, &vport->fc_portname, sizeof (struct lpfc_name)); |
dea3101e | 1254 | |
1255 | phba->fc_stat.elsXmitLOGO++; | |
1256 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo; | |
2e0fef85 | 1257 | spin_lock_irq(shost->host_lock); |
dea3101e | 1258 | ndlp->nlp_flag |= NLP_LOGO_SND; |
2e0fef85 | 1259 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1260 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
2e0fef85 | 1261 | spin_lock_irq(shost->host_lock); |
dea3101e | 1262 | ndlp->nlp_flag &= ~NLP_LOGO_SND; |
2e0fef85 | 1263 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1264 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1265 | return 1; |
dea3101e | 1266 | } |
c9f8735b | 1267 | return 0; |
dea3101e | 1268 | } |
1269 | ||
1270 | static void | |
2e0fef85 JS |
1271 | lpfc_cmpl_els_cmd(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1272 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1273 | { |
2e0fef85 | 1274 | struct lpfc_vport *vport = cmdiocb->vport; |
dea3101e | 1275 | IOCB_t *irsp; |
1276 | ||
1277 | irsp = &rspiocb->iocb; | |
1278 | ||
1279 | /* ELS cmd tag <ulpIoTag> completes */ | |
1280 | lpfc_printf_log(phba, | |
1281 | KERN_INFO, | |
1282 | LOG_ELS, | |
c9f8735b | 1283 | "%d:0106 ELS cmd tag x%x completes Data: x%x x%x x%x\n", |
dea3101e | 1284 | phba->brd_no, |
c9f8735b JW |
1285 | irsp->ulpIoTag, irsp->ulpStatus, |
1286 | irsp->un.ulpWord[4], irsp->ulpTimeout); | |
dea3101e | 1287 | |
1288 | /* Check to see if link went down during discovery */ | |
2e0fef85 | 1289 | lpfc_els_chk_latt(vport); |
dea3101e | 1290 | lpfc_els_free_iocb(phba, cmdiocb); |
1291 | return; | |
1292 | } | |
1293 | ||
1294 | int | |
2e0fef85 | 1295 | lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
dea3101e | 1296 | { |
2e0fef85 | 1297 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1298 | IOCB_t *icmd; |
1299 | struct lpfc_iocbq *elsiocb; | |
1300 | struct lpfc_sli_ring *pring; | |
1301 | struct lpfc_sli *psli; | |
1302 | uint8_t *pcmd; | |
1303 | uint16_t cmdsize; | |
1304 | struct lpfc_nodelist *ndlp; | |
1305 | ||
1306 | psli = &phba->sli; | |
1307 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1308 | cmdsize = (sizeof (uint32_t) + sizeof (SCR)); | |
c9f8735b JW |
1309 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1310 | if (!ndlp) | |
1311 | return 1; | |
dea3101e | 1312 | |
2e0fef85 JS |
1313 | lpfc_nlp_init(vport, ndlp, nportid); |
1314 | ||
1315 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, | |
1316 | ndlp->nlp_DID, ELS_CMD_SCR); | |
dea3101e | 1317 | |
488d1469 | 1318 | if (!elsiocb) { |
329f9bc7 | 1319 | lpfc_nlp_put(ndlp); |
c9f8735b | 1320 | return 1; |
dea3101e | 1321 | } |
1322 | ||
1323 | icmd = &elsiocb->iocb; | |
1324 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1325 | ||
1326 | *((uint32_t *) (pcmd)) = ELS_CMD_SCR; | |
1327 | pcmd += sizeof (uint32_t); | |
1328 | ||
1329 | /* For SCR, remainder of payload is SCR parameter page */ | |
1330 | memset(pcmd, 0, sizeof (SCR)); | |
1331 | ((SCR *) pcmd)->Function = SCR_FUNC_FULL; | |
1332 | ||
1333 | phba->fc_stat.elsXmitSCR++; | |
1334 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
dea3101e | 1335 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
329f9bc7 | 1336 | lpfc_nlp_put(ndlp); |
dea3101e | 1337 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1338 | return 1; |
dea3101e | 1339 | } |
329f9bc7 | 1340 | lpfc_nlp_put(ndlp); |
c9f8735b | 1341 | return 0; |
dea3101e | 1342 | } |
1343 | ||
1344 | static int | |
2e0fef85 | 1345 | lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) |
dea3101e | 1346 | { |
2e0fef85 | 1347 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 1348 | IOCB_t *icmd; |
1349 | struct lpfc_iocbq *elsiocb; | |
1350 | struct lpfc_sli_ring *pring; | |
1351 | struct lpfc_sli *psli; | |
1352 | FARP *fp; | |
1353 | uint8_t *pcmd; | |
1354 | uint32_t *lp; | |
1355 | uint16_t cmdsize; | |
1356 | struct lpfc_nodelist *ondlp; | |
1357 | struct lpfc_nodelist *ndlp; | |
1358 | ||
1359 | psli = &phba->sli; | |
1360 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1361 | cmdsize = (sizeof (uint32_t) + sizeof (FARP)); | |
c9f8735b JW |
1362 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
1363 | if (!ndlp) | |
1364 | return 1; | |
dea3101e | 1365 | |
2e0fef85 JS |
1366 | lpfc_nlp_init(vport, ndlp, nportid); |
1367 | ||
1368 | elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, | |
1369 | ndlp->nlp_DID, ELS_CMD_RNID); | |
488d1469 | 1370 | if (!elsiocb) { |
329f9bc7 | 1371 | lpfc_nlp_put(ndlp); |
c9f8735b | 1372 | return 1; |
dea3101e | 1373 | } |
1374 | ||
1375 | icmd = &elsiocb->iocb; | |
1376 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1377 | ||
1378 | *((uint32_t *) (pcmd)) = ELS_CMD_FARPR; | |
1379 | pcmd += sizeof (uint32_t); | |
1380 | ||
1381 | /* Fill in FARPR payload */ | |
1382 | fp = (FARP *) (pcmd); | |
1383 | memset(fp, 0, sizeof (FARP)); | |
1384 | lp = (uint32_t *) pcmd; | |
1385 | *lp++ = be32_to_cpu(nportid); | |
2e0fef85 | 1386 | *lp++ = be32_to_cpu(vport->fc_myDID); |
dea3101e | 1387 | fp->Rflags = 0; |
1388 | fp->Mflags = (FARP_MATCH_PORT | FARP_MATCH_NODE); | |
1389 | ||
2e0fef85 JS |
1390 | memcpy(&fp->RportName, &vport->fc_portname, sizeof (struct lpfc_name)); |
1391 | memcpy(&fp->RnodeName, &vport->fc_nodename, sizeof (struct lpfc_name)); | |
1392 | ondlp = lpfc_findnode_did(vport, nportid); | |
1393 | if (ondlp) { | |
dea3101e | 1394 | memcpy(&fp->OportName, &ondlp->nlp_portname, |
1395 | sizeof (struct lpfc_name)); | |
1396 | memcpy(&fp->OnodeName, &ondlp->nlp_nodename, | |
1397 | sizeof (struct lpfc_name)); | |
1398 | } | |
1399 | ||
1400 | phba->fc_stat.elsXmitFARPR++; | |
1401 | elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; | |
dea3101e | 1402 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { |
329f9bc7 | 1403 | lpfc_nlp_put(ndlp); |
dea3101e | 1404 | lpfc_els_free_iocb(phba, elsiocb); |
c9f8735b | 1405 | return 1; |
dea3101e | 1406 | } |
329f9bc7 | 1407 | lpfc_nlp_put(ndlp); |
c9f8735b | 1408 | return 0; |
dea3101e | 1409 | } |
1410 | ||
ed957684 JS |
1411 | static void |
1412 | lpfc_end_rscn(struct lpfc_vport *vport) | |
1413 | { | |
1414 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1415 | ||
1416 | if (vport->fc_flag & FC_RSCN_MODE) { | |
1417 | /* | |
1418 | * Check to see if more RSCNs came in while we were | |
1419 | * processing this one. | |
1420 | */ | |
1421 | if (vport->fc_rscn_id_cnt || | |
1422 | (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) | |
1423 | lpfc_els_handle_rscn(vport); | |
1424 | else { | |
1425 | spin_lock_irq(shost->host_lock); | |
1426 | vport->fc_flag &= ~FC_RSCN_MODE; | |
1427 | spin_unlock_irq(shost->host_lock); | |
1428 | } | |
1429 | } | |
1430 | } | |
1431 | ||
fdcebe28 | 1432 | void |
2e0fef85 | 1433 | lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) |
fdcebe28 | 1434 | { |
2e0fef85 JS |
1435 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1436 | ||
1437 | spin_lock_irq(shost->host_lock); | |
fdcebe28 | 1438 | nlp->nlp_flag &= ~NLP_DELAY_TMO; |
2e0fef85 | 1439 | spin_unlock_irq(shost->host_lock); |
fdcebe28 JS |
1440 | del_timer_sync(&nlp->nlp_delayfunc); |
1441 | nlp->nlp_last_elscmd = 0; | |
1442 | ||
1443 | if (!list_empty(&nlp->els_retry_evt.evt_listp)) | |
1444 | list_del_init(&nlp->els_retry_evt.evt_listp); | |
1445 | ||
1446 | if (nlp->nlp_flag & NLP_NPR_2B_DISC) { | |
2e0fef85 | 1447 | spin_lock_irq(shost->host_lock); |
fdcebe28 | 1448 | nlp->nlp_flag &= ~NLP_NPR_2B_DISC; |
2e0fef85 JS |
1449 | spin_unlock_irq(shost->host_lock); |
1450 | if (vport->num_disc_nodes) { | |
fdcebe28 JS |
1451 | /* Check to see if there are more |
1452 | * PLOGIs to be sent | |
1453 | */ | |
2e0fef85 JS |
1454 | lpfc_more_plogi(vport); |
1455 | ||
1456 | if (vport->num_disc_nodes == 0) { | |
1457 | spin_lock_irq(shost->host_lock); | |
1458 | vport->fc_flag &= ~FC_NDISC_ACTIVE; | |
1459 | spin_unlock_irq(shost->host_lock); | |
1460 | lpfc_can_disctmo(vport); | |
ed957684 | 1461 | lpfc_end_rscn(vport); |
fdcebe28 JS |
1462 | } |
1463 | } | |
1464 | } | |
1465 | return; | |
1466 | } | |
1467 | ||
dea3101e | 1468 | void |
1469 | lpfc_els_retry_delay(unsigned long ptr) | |
1470 | { | |
2e0fef85 JS |
1471 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; |
1472 | struct lpfc_vport *vport = ndlp->vport; | |
1473 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1474 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1475 | unsigned long iflag; |
2e0fef85 | 1476 | struct lpfc_work_evt *evtp = &ndlp->els_retry_evt; |
dea3101e | 1477 | |
2e0fef85 JS |
1478 | ndlp = (struct lpfc_nodelist *) ptr; |
1479 | phba = ndlp->vport->phba; | |
dea3101e | 1480 | evtp = &ndlp->els_retry_evt; |
1481 | ||
2e0fef85 | 1482 | spin_lock_irqsave(shost->host_lock, iflag); |
dea3101e | 1483 | if (!list_empty(&evtp->evt_listp)) { |
2e0fef85 | 1484 | spin_unlock_irqrestore(shost->host_lock, iflag); |
dea3101e | 1485 | return; |
1486 | } | |
1487 | ||
1488 | evtp->evt_arg1 = ndlp; | |
1489 | evtp->evt = LPFC_EVT_ELS_RETRY; | |
1490 | list_add_tail(&evtp->evt_listp, &phba->work_list); | |
1491 | if (phba->work_wait) | |
1492 | wake_up(phba->work_wait); | |
1493 | ||
2e0fef85 | 1494 | spin_unlock_irqrestore(shost->host_lock, iflag); |
dea3101e | 1495 | return; |
1496 | } | |
1497 | ||
1498 | void | |
1499 | lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp) | |
1500 | { | |
2e0fef85 JS |
1501 | struct lpfc_vport *vport = ndlp->vport; |
1502 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1503 | uint32_t cmd, did, retry; | |
dea3101e | 1504 | |
2e0fef85 | 1505 | spin_lock_irq(shost->host_lock); |
5024ab17 JW |
1506 | did = ndlp->nlp_DID; |
1507 | cmd = ndlp->nlp_last_elscmd; | |
1508 | ndlp->nlp_last_elscmd = 0; | |
dea3101e | 1509 | |
1510 | if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { | |
2e0fef85 | 1511 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1512 | return; |
1513 | } | |
1514 | ||
1515 | ndlp->nlp_flag &= ~NLP_DELAY_TMO; | |
2e0fef85 | 1516 | spin_unlock_irq(shost->host_lock); |
1a169689 JS |
1517 | /* |
1518 | * If a discovery event readded nlp_delayfunc after timer | |
1519 | * firing and before processing the timer, cancel the | |
1520 | * nlp_delayfunc. | |
1521 | */ | |
1522 | del_timer_sync(&ndlp->nlp_delayfunc); | |
dea3101e | 1523 | retry = ndlp->nlp_retry; |
1524 | ||
1525 | switch (cmd) { | |
1526 | case ELS_CMD_FLOGI: | |
2e0fef85 | 1527 | lpfc_issue_els_flogi(vport, ndlp, retry); |
dea3101e | 1528 | break; |
1529 | case ELS_CMD_PLOGI: | |
2e0fef85 | 1530 | if (!lpfc_issue_els_plogi(vport, ndlp->nlp_DID, retry)) { |
5024ab17 | 1531 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1532 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
6ad42535 | 1533 | } |
dea3101e | 1534 | break; |
1535 | case ELS_CMD_ADISC: | |
2e0fef85 | 1536 | if (!lpfc_issue_els_adisc(vport, ndlp, retry)) { |
5024ab17 | 1537 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1538 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
6ad42535 | 1539 | } |
dea3101e | 1540 | break; |
1541 | case ELS_CMD_PRLI: | |
2e0fef85 | 1542 | if (!lpfc_issue_els_prli(vport, ndlp, retry)) { |
5024ab17 | 1543 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1544 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
6ad42535 | 1545 | } |
dea3101e | 1546 | break; |
1547 | case ELS_CMD_LOGO: | |
2e0fef85 | 1548 | if (!lpfc_issue_els_logo(vport, ndlp, retry)) { |
5024ab17 | 1549 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1550 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
6ad42535 | 1551 | } |
dea3101e | 1552 | break; |
1553 | } | |
1554 | return; | |
1555 | } | |
1556 | ||
1557 | static int | |
2e0fef85 JS |
1558 | lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1559 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1560 | { |
2e0fef85 JS |
1561 | struct lpfc_vport *vport = cmdiocb->vport; |
1562 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); | |
1563 | IOCB_t *irsp = &rspiocb->iocb; | |
1564 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; | |
1565 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
dea3101e | 1566 | uint32_t *elscmd; |
1567 | struct ls_rjt stat; | |
2e0fef85 JS |
1568 | int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; |
1569 | uint32_t cmd = 0; | |
488d1469 | 1570 | uint32_t did; |
dea3101e | 1571 | |
488d1469 | 1572 | |
dea3101e | 1573 | /* Note: context2 may be 0 for internal driver abort |
1574 | * of delays ELS command. | |
1575 | */ | |
1576 | ||
1577 | if (pcmd && pcmd->virt) { | |
1578 | elscmd = (uint32_t *) (pcmd->virt); | |
1579 | cmd = *elscmd++; | |
1580 | } | |
1581 | ||
329f9bc7 | 1582 | if (ndlp) |
488d1469 JS |
1583 | did = ndlp->nlp_DID; |
1584 | else { | |
1585 | /* We should only hit this case for retrying PLOGI */ | |
1586 | did = irsp->un.elsreq64.remoteID; | |
2e0fef85 | 1587 | ndlp = lpfc_findnode_did(vport, did); |
488d1469 JS |
1588 | if (!ndlp && (cmd != ELS_CMD_PLOGI)) |
1589 | return 1; | |
1590 | } | |
1591 | ||
dea3101e | 1592 | switch (irsp->ulpStatus) { |
1593 | case IOSTAT_FCP_RSP_ERROR: | |
1594 | case IOSTAT_REMOTE_STOP: | |
1595 | break; | |
1596 | ||
1597 | case IOSTAT_LOCAL_REJECT: | |
1598 | switch ((irsp->un.ulpWord[4] & 0xff)) { | |
1599 | case IOERR_LOOP_OPEN_FAILURE: | |
2e0fef85 | 1600 | if (cmd == ELS_CMD_PLOGI && cmdiocb->retry == 0) |
dea3101e | 1601 | delay = 1; |
dea3101e | 1602 | retry = 1; |
1603 | break; | |
1604 | ||
1605 | case IOERR_SEQUENCE_TIMEOUT: | |
1606 | retry = 1; | |
dea3101e | 1607 | break; |
1608 | ||
1609 | case IOERR_NO_RESOURCES: | |
2e0fef85 | 1610 | if (cmd == ELS_CMD_PLOGI) |
dea3101e | 1611 | delay = 1; |
dea3101e | 1612 | retry = 1; |
1613 | break; | |
1614 | ||
1615 | case IOERR_INVALID_RPI: | |
1616 | retry = 1; | |
1617 | break; | |
1618 | } | |
1619 | break; | |
1620 | ||
1621 | case IOSTAT_NPORT_RJT: | |
1622 | case IOSTAT_FABRIC_RJT: | |
1623 | if (irsp->un.ulpWord[4] & RJT_UNAVAIL_TEMP) { | |
1624 | retry = 1; | |
1625 | break; | |
1626 | } | |
1627 | break; | |
1628 | ||
1629 | case IOSTAT_NPORT_BSY: | |
1630 | case IOSTAT_FABRIC_BSY: | |
1631 | retry = 1; | |
1632 | break; | |
1633 | ||
1634 | case IOSTAT_LS_RJT: | |
1635 | stat.un.lsRjtError = be32_to_cpu(irsp->un.ulpWord[4]); | |
1636 | /* Added for Vendor specifc support | |
1637 | * Just keep retrying for these Rsn / Exp codes | |
1638 | */ | |
1639 | switch (stat.un.b.lsRjtRsnCode) { | |
1640 | case LSRJT_UNABLE_TPC: | |
1641 | if (stat.un.b.lsRjtRsnCodeExp == | |
1642 | LSEXP_CMD_IN_PROGRESS) { | |
1643 | if (cmd == ELS_CMD_PLOGI) { | |
1644 | delay = 1; | |
1645 | maxretry = 48; | |
1646 | } | |
1647 | retry = 1; | |
1648 | break; | |
1649 | } | |
1650 | if (cmd == ELS_CMD_PLOGI) { | |
1651 | delay = 1; | |
1652 | maxretry = lpfc_max_els_tries + 1; | |
1653 | retry = 1; | |
1654 | break; | |
1655 | } | |
1656 | break; | |
1657 | ||
1658 | case LSRJT_LOGICAL_BSY: | |
1659 | if (cmd == ELS_CMD_PLOGI) { | |
1660 | delay = 1; | |
1661 | maxretry = 48; | |
1662 | } | |
1663 | retry = 1; | |
1664 | break; | |
1665 | } | |
1666 | break; | |
1667 | ||
1668 | case IOSTAT_INTERMED_RSP: | |
1669 | case IOSTAT_BA_RJT: | |
1670 | break; | |
1671 | ||
1672 | default: | |
1673 | break; | |
1674 | } | |
1675 | ||
488d1469 | 1676 | if (did == FDMI_DID) |
dea3101e | 1677 | retry = 1; |
dea3101e | 1678 | |
1679 | if ((++cmdiocb->retry) >= maxretry) { | |
1680 | phba->fc_stat.elsRetryExceeded++; | |
1681 | retry = 0; | |
1682 | } | |
1683 | ||
ed957684 JS |
1684 | if ((vport->load_flag & FC_UNLOADING) != 0) |
1685 | retry = 0; | |
1686 | ||
dea3101e | 1687 | if (retry) { |
1688 | ||
1689 | /* Retry ELS command <elsCmd> to remote NPORT <did> */ | |
1690 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1691 | "%d:0107 Retry ELS command x%x to remote " | |
1692 | "NPORT x%x Data: x%x x%x\n", | |
1693 | phba->brd_no, | |
488d1469 | 1694 | cmd, did, cmdiocb->retry, delay); |
dea3101e | 1695 | |
1696 | if ((cmd == ELS_CMD_PLOGI) || (cmd == ELS_CMD_ADISC)) { | |
1697 | /* If discovery / RSCN timer is running, reset it */ | |
2e0fef85 JS |
1698 | if (timer_pending(&vport->fc_disctmo) || |
1699 | (vport->fc_flag & FC_RSCN_MODE)) | |
1700 | lpfc_set_disctmo(vport); | |
dea3101e | 1701 | } |
1702 | ||
1703 | phba->fc_stat.elsXmitRetry++; | |
488d1469 | 1704 | if (ndlp && delay) { |
dea3101e | 1705 | phba->fc_stat.elsDelayRetry++; |
1706 | ndlp->nlp_retry = cmdiocb->retry; | |
1707 | ||
1708 | mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); | |
2e0fef85 | 1709 | spin_lock_irq(shost->host_lock); |
dea3101e | 1710 | ndlp->nlp_flag |= NLP_DELAY_TMO; |
2e0fef85 | 1711 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1712 | |
5024ab17 | 1713 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 1714 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
dea3101e | 1715 | ndlp->nlp_last_elscmd = cmd; |
1716 | ||
c9f8735b | 1717 | return 1; |
dea3101e | 1718 | } |
1719 | switch (cmd) { | |
1720 | case ELS_CMD_FLOGI: | |
2e0fef85 | 1721 | lpfc_issue_els_flogi(vport, ndlp, cmdiocb->retry); |
c9f8735b | 1722 | return 1; |
dea3101e | 1723 | case ELS_CMD_PLOGI: |
488d1469 JS |
1724 | if (ndlp) { |
1725 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 | 1726 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 1727 | NLP_STE_PLOGI_ISSUE); |
488d1469 | 1728 | } |
2e0fef85 | 1729 | lpfc_issue_els_plogi(vport, did, cmdiocb->retry); |
c9f8735b | 1730 | return 1; |
dea3101e | 1731 | case ELS_CMD_ADISC: |
5024ab17 | 1732 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
1733 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
1734 | lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 1735 | return 1; |
dea3101e | 1736 | case ELS_CMD_PRLI: |
5024ab17 | 1737 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
1738 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); |
1739 | lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 1740 | return 1; |
dea3101e | 1741 | case ELS_CMD_LOGO: |
5024ab17 | 1742 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
1743 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); |
1744 | lpfc_issue_els_logo(vport, ndlp, cmdiocb->retry); | |
c9f8735b | 1745 | return 1; |
dea3101e | 1746 | } |
1747 | } | |
1748 | ||
1749 | /* No retry ELS command <elsCmd> to remote NPORT <did> */ | |
1750 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1751 | "%d:0108 No retry ELS command x%x to remote NPORT x%x " | |
488d1469 | 1752 | "Data: x%x\n", |
dea3101e | 1753 | phba->brd_no, |
488d1469 | 1754 | cmd, did, cmdiocb->retry); |
dea3101e | 1755 | |
c9f8735b | 1756 | return 0; |
dea3101e | 1757 | } |
1758 | ||
1759 | int | |
329f9bc7 | 1760 | lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) |
dea3101e | 1761 | { |
1762 | struct lpfc_dmabuf *buf_ptr, *buf_ptr1; | |
1763 | ||
329f9bc7 JS |
1764 | if (elsiocb->context1) { |
1765 | lpfc_nlp_put(elsiocb->context1); | |
1766 | elsiocb->context1 = NULL; | |
1767 | } | |
dea3101e | 1768 | /* context2 = cmd, context2->next = rsp, context3 = bpl */ |
1769 | if (elsiocb->context2) { | |
1770 | buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; | |
1771 | /* Free the response before processing the command. */ | |
1772 | if (!list_empty(&buf_ptr1->list)) { | |
1773 | list_remove_head(&buf_ptr1->list, buf_ptr, | |
1774 | struct lpfc_dmabuf, | |
1775 | list); | |
1776 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1777 | kfree(buf_ptr); | |
1778 | } | |
1779 | lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); | |
1780 | kfree(buf_ptr1); | |
1781 | } | |
1782 | ||
1783 | if (elsiocb->context3) { | |
1784 | buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; | |
1785 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
1786 | kfree(buf_ptr); | |
1787 | } | |
604a3e30 | 1788 | lpfc_sli_release_iocbq(phba, elsiocb); |
dea3101e | 1789 | return 0; |
1790 | } | |
1791 | ||
1792 | static void | |
2e0fef85 JS |
1793 | lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1794 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1795 | { |
2e0fef85 JS |
1796 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
1797 | struct lpfc_vport *vport = cmdiocb->vport; | |
dea3101e | 1798 | |
1799 | /* ACC to LOGO completes to NPort <nlp_DID> */ | |
1800 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1801 | "%d:0109 ACC to LOGO completes to NPort x%x " | |
1802 | "Data: x%x x%x x%x\n", | |
1803 | phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, | |
1804 | ndlp->nlp_state, ndlp->nlp_rpi); | |
1805 | ||
dea3101e | 1806 | switch (ndlp->nlp_state) { |
1807 | case NLP_STE_UNUSED_NODE: /* node is just allocated */ | |
2e0fef85 | 1808 | lpfc_drop_node(vport, ndlp); |
dea3101e | 1809 | break; |
1810 | case NLP_STE_NPR_NODE: /* NPort Recovery mode */ | |
2e0fef85 | 1811 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 1812 | break; |
1813 | default: | |
1814 | break; | |
1815 | } | |
1816 | lpfc_els_free_iocb(phba, cmdiocb); | |
1817 | return; | |
1818 | } | |
1819 | ||
1820 | static void | |
329f9bc7 JS |
1821 | lpfc_cmpl_els_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
1822 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 1823 | { |
2e0fef85 JS |
1824 | struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; |
1825 | struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; | |
1826 | struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; | |
33ccf8d1 | 1827 | IOCB_t *irsp; |
dea3101e | 1828 | LPFC_MBOXQ_t *mbox = NULL; |
2e0fef85 | 1829 | struct lpfc_dmabuf *mp = NULL; |
dea3101e | 1830 | |
33ccf8d1 JS |
1831 | irsp = &rspiocb->iocb; |
1832 | ||
dea3101e | 1833 | if (cmdiocb->context_un.mbox) |
1834 | mbox = cmdiocb->context_un.mbox; | |
1835 | ||
dea3101e | 1836 | /* Check to see if link went down during discovery */ |
2e0fef85 | 1837 | if (!ndlp || lpfc_els_chk_latt(vport)) { |
dea3101e | 1838 | if (mbox) { |
14691150 JS |
1839 | mp = (struct lpfc_dmabuf *) mbox->context1; |
1840 | if (mp) { | |
1841 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1842 | kfree(mp); | |
1843 | } | |
329f9bc7 | 1844 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 1845 | } |
1846 | goto out; | |
1847 | } | |
1848 | ||
1849 | /* ELS response tag <ulpIoTag> completes */ | |
1850 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1851 | "%d:0110 ELS response tag x%x completes " | |
c9f8735b | 1852 | "Data: x%x x%x x%x x%x x%x x%x x%x\n", |
dea3101e | 1853 | phba->brd_no, |
1854 | cmdiocb->iocb.ulpIoTag, rspiocb->iocb.ulpStatus, | |
c9f8735b | 1855 | rspiocb->iocb.un.ulpWord[4], rspiocb->iocb.ulpTimeout, |
2e0fef85 | 1856 | ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, |
c9f8735b | 1857 | ndlp->nlp_rpi); |
dea3101e | 1858 | |
1859 | if (mbox) { | |
1860 | if ((rspiocb->iocb.ulpStatus == 0) | |
1861 | && (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) { | |
2e0fef85 | 1862 | lpfc_unreg_rpi(vport, ndlp); |
dea3101e | 1863 | mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; |
329f9bc7 | 1864 | mbox->context2 = lpfc_nlp_get(ndlp); |
2e0fef85 | 1865 | mbox->vport = vport; |
5024ab17 | 1866 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
1867 | lpfc_nlp_set_state(vport, ndlp, |
1868 | NLP_STE_REG_LOGIN_ISSUE); | |
dea3101e | 1869 | if (lpfc_sli_issue_mbox(phba, mbox, |
1870 | (MBX_NOWAIT | MBX_STOP_IOCB)) | |
1871 | != MBX_NOT_FINISHED) { | |
1872 | goto out; | |
1873 | } | |
329f9bc7 | 1874 | lpfc_nlp_put(ndlp); |
dea3101e | 1875 | /* NOTE: we should have messages for unsuccessful |
1876 | reglogin */ | |
dea3101e | 1877 | } else { |
33ccf8d1 JS |
1878 | /* Do not call NO_LIST for lpfc_els_abort'ed ELS cmds */ |
1879 | if (!((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
1880 | ((irsp->un.ulpWord[4] == IOERR_SLI_ABORTED) || | |
1881 | (irsp->un.ulpWord[4] == IOERR_LINK_DOWN) || | |
1882 | (irsp->un.ulpWord[4] == IOERR_SLI_DOWN)))) { | |
1883 | if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { | |
2e0fef85 | 1884 | lpfc_drop_node(vport, ndlp); |
33ccf8d1 JS |
1885 | ndlp = NULL; |
1886 | } | |
dea3101e | 1887 | } |
1888 | } | |
14691150 JS |
1889 | mp = (struct lpfc_dmabuf *) mbox->context1; |
1890 | if (mp) { | |
1891 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
1892 | kfree(mp); | |
1893 | } | |
1894 | mempool_free(mbox, phba->mbox_mem_pool); | |
dea3101e | 1895 | } |
1896 | out: | |
1897 | if (ndlp) { | |
2e0fef85 | 1898 | spin_lock_irq(shost->host_lock); |
dea3101e | 1899 | ndlp->nlp_flag &= ~NLP_ACC_REGLOGIN; |
2e0fef85 | 1900 | spin_unlock_irq(shost->host_lock); |
dea3101e | 1901 | } |
1902 | lpfc_els_free_iocb(phba, cmdiocb); | |
1903 | return; | |
1904 | } | |
1905 | ||
1906 | int | |
2e0fef85 JS |
1907 | lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag, |
1908 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp, | |
1909 | LPFC_MBOXQ_t *mbox, uint8_t newnode) | |
dea3101e | 1910 | { |
2e0fef85 JS |
1911 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
1912 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 1913 | IOCB_t *icmd; |
1914 | IOCB_t *oldcmd; | |
1915 | struct lpfc_iocbq *elsiocb; | |
1916 | struct lpfc_sli_ring *pring; | |
1917 | struct lpfc_sli *psli; | |
1918 | uint8_t *pcmd; | |
1919 | uint16_t cmdsize; | |
1920 | int rc; | |
82d9a2a2 | 1921 | ELS_PKT *els_pkt_ptr; |
dea3101e | 1922 | |
1923 | psli = &phba->sli; | |
1924 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
1925 | oldcmd = &oldiocb->iocb; | |
1926 | ||
1927 | switch (flag) { | |
1928 | case ELS_CMD_ACC: | |
1929 | cmdsize = sizeof (uint32_t); | |
2e0fef85 JS |
1930 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
1931 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 1932 | if (!elsiocb) { |
2e0fef85 | 1933 | spin_lock_irq(shost->host_lock); |
5024ab17 | 1934 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
2e0fef85 | 1935 | spin_unlock_irq(shost->host_lock); |
c9f8735b | 1936 | return 1; |
dea3101e | 1937 | } |
2e0fef85 | 1938 | |
dea3101e | 1939 | icmd = &elsiocb->iocb; |
1940 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1941 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1942 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
1943 | pcmd += sizeof (uint32_t); | |
1944 | break; | |
1945 | case ELS_CMD_PLOGI: | |
1946 | cmdsize = (sizeof (struct serv_parm) + sizeof (uint32_t)); | |
2e0fef85 JS |
1947 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
1948 | ndlp, ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 1949 | if (!elsiocb) |
c9f8735b | 1950 | return 1; |
488d1469 | 1951 | |
dea3101e | 1952 | icmd = &elsiocb->iocb; |
1953 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1954 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1955 | ||
1956 | if (mbox) | |
1957 | elsiocb->context_un.mbox = mbox; | |
1958 | ||
1959 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
1960 | pcmd += sizeof (uint32_t); | |
2e0fef85 | 1961 | memcpy(pcmd, &vport->fc_sparam, sizeof (struct serv_parm)); |
dea3101e | 1962 | break; |
82d9a2a2 JS |
1963 | case ELS_CMD_PRLO: |
1964 | cmdsize = sizeof (uint32_t) + sizeof (PRLO); | |
2e0fef85 | 1965 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, |
82d9a2a2 JS |
1966 | ndlp, ndlp->nlp_DID, ELS_CMD_PRLO); |
1967 | if (!elsiocb) | |
1968 | return 1; | |
1969 | ||
1970 | icmd = &elsiocb->iocb; | |
1971 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
1972 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
1973 | ||
1974 | memcpy(pcmd, ((struct lpfc_dmabuf *) oldiocb->context2)->virt, | |
1975 | sizeof (uint32_t) + sizeof (PRLO)); | |
1976 | *((uint32_t *) (pcmd)) = ELS_CMD_PRLO_ACC; | |
1977 | els_pkt_ptr = (ELS_PKT *) pcmd; | |
1978 | els_pkt_ptr->un.prlo.acceptRspCode = PRLO_REQ_EXECUTED; | |
1979 | break; | |
dea3101e | 1980 | default: |
c9f8735b | 1981 | return 1; |
dea3101e | 1982 | } |
1983 | ||
329f9bc7 JS |
1984 | if (newnode) { |
1985 | lpfc_nlp_put(ndlp); | |
dea3101e | 1986 | elsiocb->context1 = NULL; |
329f9bc7 | 1987 | } |
dea3101e | 1988 | |
1989 | /* Xmit ELS ACC response tag <ulpIoTag> */ | |
1990 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
1dcb58e5 JS |
1991 | "%d:0128 Xmit ELS ACC response tag x%x, XRI: x%x, " |
1992 | "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n", | |
1993 | phba->brd_no, elsiocb->iotag, | |
dea3101e | 1994 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
1995 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
1996 | ||
1997 | if (ndlp->nlp_flag & NLP_LOGO_ACC) { | |
2e0fef85 | 1998 | spin_lock_irq(shost->host_lock); |
c9f8735b | 1999 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
2e0fef85 | 2000 | spin_unlock_irq(shost->host_lock); |
dea3101e | 2001 | elsiocb->iocb_cmpl = lpfc_cmpl_els_logo_acc; |
2002 | } else { | |
2003 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2004 | } | |
2005 | ||
2006 | phba->fc_stat.elsXmitACC++; | |
dea3101e | 2007 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e | 2008 | if (rc == IOCB_ERROR) { |
2009 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2010 | return 1; |
dea3101e | 2011 | } |
c9f8735b | 2012 | return 0; |
dea3101e | 2013 | } |
2014 | ||
2015 | int | |
2e0fef85 JS |
2016 | lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, |
2017 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) | |
dea3101e | 2018 | { |
2e0fef85 | 2019 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2020 | IOCB_t *icmd; |
2021 | IOCB_t *oldcmd; | |
2022 | struct lpfc_iocbq *elsiocb; | |
2023 | struct lpfc_sli_ring *pring; | |
2024 | struct lpfc_sli *psli; | |
2025 | uint8_t *pcmd; | |
2026 | uint16_t cmdsize; | |
2027 | int rc; | |
2028 | ||
2029 | psli = &phba->sli; | |
2030 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2031 | ||
2032 | cmdsize = 2 * sizeof (uint32_t); | |
2e0fef85 JS |
2033 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2034 | ndlp->nlp_DID, ELS_CMD_LS_RJT); | |
488d1469 | 2035 | if (!elsiocb) |
c9f8735b | 2036 | return 1; |
dea3101e | 2037 | |
2038 | icmd = &elsiocb->iocb; | |
2039 | oldcmd = &oldiocb->iocb; | |
2040 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2041 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2042 | ||
2043 | *((uint32_t *) (pcmd)) = ELS_CMD_LS_RJT; | |
2044 | pcmd += sizeof (uint32_t); | |
2045 | *((uint32_t *) (pcmd)) = rejectError; | |
2046 | ||
2047 | /* Xmit ELS RJT <err> response tag <ulpIoTag> */ | |
2048 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2049 | "%d:0129 Xmit ELS RJT x%x response tag x%x xri x%x, " |
2050 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2051 | phba->brd_no, rejectError, elsiocb->iotag, | |
dea3101e | 2052 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2053 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2054 | ||
2055 | phba->fc_stat.elsXmitLSRJT++; | |
2056 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
dea3101e | 2057 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e | 2058 | if (rc == IOCB_ERROR) { |
2059 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2060 | return 1; |
dea3101e | 2061 | } |
c9f8735b | 2062 | return 0; |
dea3101e | 2063 | } |
2064 | ||
2065 | int | |
2e0fef85 JS |
2066 | lpfc_els_rsp_adisc_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
2067 | struct lpfc_nodelist *ndlp) | |
dea3101e | 2068 | { |
2e0fef85 JS |
2069 | struct lpfc_hba *phba = vport->phba; |
2070 | struct lpfc_sli *psli = &phba->sli; | |
2071 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
dea3101e | 2072 | ADISC *ap; |
2e0fef85 | 2073 | IOCB_t *icmd, *oldcmd; |
dea3101e | 2074 | struct lpfc_iocbq *elsiocb; |
dea3101e | 2075 | uint8_t *pcmd; |
2076 | uint16_t cmdsize; | |
2077 | int rc; | |
2078 | ||
dea3101e | 2079 | cmdsize = sizeof (uint32_t) + sizeof (ADISC); |
2e0fef85 JS |
2080 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2081 | ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2082 | if (!elsiocb) |
c9f8735b | 2083 | return 1; |
dea3101e | 2084 | |
5b8bd0c9 JS |
2085 | icmd = &elsiocb->iocb; |
2086 | oldcmd = &oldiocb->iocb; | |
2087 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2088 | ||
dea3101e | 2089 | /* Xmit ADISC ACC response tag <ulpIoTag> */ |
2090 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2091 | "%d:0130 Xmit ADISC ACC response iotag x%x xri: " |
2092 | "x%x, did x%x, nlp_flag x%x, nlp_state x%x rpi x%x\n", | |
2093 | phba->brd_no, elsiocb->iotag, | |
dea3101e | 2094 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2095 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2096 | ||
dea3101e | 2097 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2098 | ||
2099 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2100 | pcmd += sizeof (uint32_t); | |
2101 | ||
2102 | ap = (ADISC *) (pcmd); | |
2103 | ap->hardAL_PA = phba->fc_pref_ALPA; | |
2e0fef85 JS |
2104 | memcpy(&ap->portName, &vport->fc_portname, sizeof (struct lpfc_name)); |
2105 | memcpy(&ap->nodeName, &vport->fc_nodename, sizeof (struct lpfc_name)); | |
2106 | ap->DID = be32_to_cpu(vport->fc_myDID); | |
dea3101e | 2107 | |
2108 | phba->fc_stat.elsXmitACC++; | |
2109 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
dea3101e | 2110 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e | 2111 | if (rc == IOCB_ERROR) { |
2112 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2113 | return 1; |
dea3101e | 2114 | } |
c9f8735b | 2115 | return 0; |
dea3101e | 2116 | } |
2117 | ||
2118 | int | |
2e0fef85 | 2119 | lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb, |
5b8bd0c9 | 2120 | struct lpfc_nodelist *ndlp) |
dea3101e | 2121 | { |
2e0fef85 | 2122 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2123 | PRLI *npr; |
2124 | lpfc_vpd_t *vpd; | |
2125 | IOCB_t *icmd; | |
2126 | IOCB_t *oldcmd; | |
2127 | struct lpfc_iocbq *elsiocb; | |
2128 | struct lpfc_sli_ring *pring; | |
2129 | struct lpfc_sli *psli; | |
2130 | uint8_t *pcmd; | |
2131 | uint16_t cmdsize; | |
2132 | int rc; | |
2133 | ||
2134 | psli = &phba->sli; | |
2135 | pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ | |
2136 | ||
2137 | cmdsize = sizeof (uint32_t) + sizeof (PRLI); | |
2e0fef85 | 2138 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
ed957684 | 2139 | ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK))); |
c9f8735b JW |
2140 | if (!elsiocb) |
2141 | return 1; | |
dea3101e | 2142 | |
5b8bd0c9 JS |
2143 | icmd = &elsiocb->iocb; |
2144 | oldcmd = &oldiocb->iocb; | |
2145 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2146 | ||
dea3101e | 2147 | /* Xmit PRLI ACC response tag <ulpIoTag> */ |
2148 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2149 | "%d:0131 Xmit PRLI ACC response tag x%x xri x%x, " |
2150 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2151 | phba->brd_no, elsiocb->iotag, | |
dea3101e | 2152 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2153 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2154 | ||
dea3101e | 2155 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2156 | ||
2157 | *((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)); | |
2158 | pcmd += sizeof (uint32_t); | |
2159 | ||
2160 | /* For PRLI, remainder of payload is PRLI parameter page */ | |
2161 | memset(pcmd, 0, sizeof (PRLI)); | |
2162 | ||
2163 | npr = (PRLI *) pcmd; | |
2164 | vpd = &phba->vpd; | |
2165 | /* | |
2166 | * If our firmware version is 3.20 or later, | |
2167 | * set the following bits for FC-TAPE support. | |
2168 | */ | |
2169 | if (vpd->rev.feaLevelHigh >= 0x02) { | |
2170 | npr->ConfmComplAllowed = 1; | |
2171 | npr->Retry = 1; | |
2172 | npr->TaskRetryIdReq = 1; | |
2173 | } | |
2174 | ||
2175 | npr->acceptRspCode = PRLI_REQ_EXECUTED; | |
2176 | npr->estabImagePair = 1; | |
2177 | npr->readXferRdyDis = 1; | |
2178 | npr->ConfmComplAllowed = 1; | |
2179 | ||
2180 | npr->prliType = PRLI_FCP_TYPE; | |
2181 | npr->initiatorFunc = 1; | |
2182 | ||
2183 | phba->fc_stat.elsXmitACC++; | |
2184 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2185 | ||
dea3101e | 2186 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e | 2187 | if (rc == IOCB_ERROR) { |
2188 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2189 | return 1; |
dea3101e | 2190 | } |
c9f8735b | 2191 | return 0; |
dea3101e | 2192 | } |
2193 | ||
2194 | static int | |
2e0fef85 | 2195 | lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, |
329f9bc7 | 2196 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) |
dea3101e | 2197 | { |
2e0fef85 | 2198 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2199 | RNID *rn; |
2e0fef85 | 2200 | IOCB_t *icmd, *oldcmd; |
dea3101e | 2201 | struct lpfc_iocbq *elsiocb; |
2202 | struct lpfc_sli_ring *pring; | |
2203 | struct lpfc_sli *psli; | |
2204 | uint8_t *pcmd; | |
2205 | uint16_t cmdsize; | |
2206 | int rc; | |
2207 | ||
2208 | psli = &phba->sli; | |
2209 | pring = &psli->ring[LPFC_ELS_RING]; | |
2210 | ||
2211 | cmdsize = sizeof (uint32_t) + sizeof (uint32_t) | |
2212 | + (2 * sizeof (struct lpfc_name)); | |
2213 | if (format) | |
2214 | cmdsize += sizeof (RNID_TOP_DISC); | |
2215 | ||
2e0fef85 JS |
2216 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2217 | ndlp->nlp_DID, ELS_CMD_ACC); | |
488d1469 | 2218 | if (!elsiocb) |
c9f8735b | 2219 | return 1; |
dea3101e | 2220 | |
5b8bd0c9 JS |
2221 | icmd = &elsiocb->iocb; |
2222 | oldcmd = &oldiocb->iocb; | |
2223 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2224 | ||
dea3101e | 2225 | /* Xmit RNID ACC response tag <ulpIoTag> */ |
2226 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
2227 | "%d:0132 Xmit RNID ACC response tag x%x " | |
5b8bd0c9 JS |
2228 | "xri x%x\n", |
2229 | phba->brd_no, elsiocb->iotag, | |
dea3101e | 2230 | elsiocb->iocb.ulpContext); |
2231 | ||
dea3101e | 2232 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); |
2233 | ||
2234 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2235 | pcmd += sizeof (uint32_t); | |
2236 | ||
2237 | memset(pcmd, 0, sizeof (RNID)); | |
2238 | rn = (RNID *) (pcmd); | |
2239 | rn->Format = format; | |
2240 | rn->CommonLen = (2 * sizeof (struct lpfc_name)); | |
2e0fef85 JS |
2241 | memcpy(&rn->portName, &vport->fc_portname, sizeof (struct lpfc_name)); |
2242 | memcpy(&rn->nodeName, &vport->fc_nodename, sizeof (struct lpfc_name)); | |
dea3101e | 2243 | switch (format) { |
2244 | case 0: | |
2245 | rn->SpecificLen = 0; | |
2246 | break; | |
2247 | case RNID_TOPOLOGY_DISC: | |
2248 | rn->SpecificLen = sizeof (RNID_TOP_DISC); | |
2249 | memcpy(&rn->un.topologyDisc.portName, | |
2e0fef85 | 2250 | &vport->fc_portname, sizeof (struct lpfc_name)); |
dea3101e | 2251 | rn->un.topologyDisc.unitType = RNID_HBA; |
2252 | rn->un.topologyDisc.physPort = 0; | |
2253 | rn->un.topologyDisc.attachedNodes = 0; | |
2254 | break; | |
2255 | default: | |
2256 | rn->CommonLen = 0; | |
2257 | rn->SpecificLen = 0; | |
2258 | break; | |
2259 | } | |
2260 | ||
2261 | phba->fc_stat.elsXmitACC++; | |
2262 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
329f9bc7 | 2263 | lpfc_nlp_put(ndlp); |
dea3101e | 2264 | elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, |
2265 | * it could be freed */ | |
2266 | ||
dea3101e | 2267 | rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); |
dea3101e | 2268 | if (rc == IOCB_ERROR) { |
2269 | lpfc_els_free_iocb(phba, elsiocb); | |
c9f8735b | 2270 | return 1; |
dea3101e | 2271 | } |
c9f8735b | 2272 | return 0; |
dea3101e | 2273 | } |
2274 | ||
2275 | int | |
2e0fef85 | 2276 | lpfc_els_disc_adisc(struct lpfc_vport *vport) |
dea3101e | 2277 | { |
2e0fef85 | 2278 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2279 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 2280 | int sentadisc = 0; |
dea3101e | 2281 | |
685f0bf7 | 2282 | /* go thru NPR nodes and issue any remaining ELS ADISCs */ |
2e0fef85 | 2283 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
2284 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
2285 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
2286 | (ndlp->nlp_flag & NLP_NPR_ADISC) != 0) { | |
2e0fef85 | 2287 | spin_lock_irq(shost->host_lock); |
685f0bf7 | 2288 | ndlp->nlp_flag &= ~NLP_NPR_ADISC; |
2e0fef85 | 2289 | spin_unlock_irq(shost->host_lock); |
685f0bf7 | 2290 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2291 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_ADISC_ISSUE); |
2292 | lpfc_issue_els_adisc(vport, ndlp, 0); | |
685f0bf7 | 2293 | sentadisc++; |
2e0fef85 JS |
2294 | vport->num_disc_nodes++; |
2295 | if (vport->num_disc_nodes >= | |
2296 | vport->phba->cfg_discovery_threads) { | |
2297 | spin_lock_irq(shost->host_lock); | |
2298 | vport->fc_flag |= FC_NLP_MORE; | |
2299 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 2300 | break; |
dea3101e | 2301 | } |
2302 | } | |
2303 | } | |
2304 | if (sentadisc == 0) { | |
2e0fef85 JS |
2305 | spin_lock_irq(shost->host_lock); |
2306 | vport->fc_flag &= ~FC_NLP_MORE; | |
2307 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2308 | } |
2fe165b6 | 2309 | return sentadisc; |
dea3101e | 2310 | } |
2311 | ||
2312 | int | |
2e0fef85 | 2313 | lpfc_els_disc_plogi(struct lpfc_vport *vport) |
dea3101e | 2314 | { |
2e0fef85 | 2315 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
dea3101e | 2316 | struct lpfc_nodelist *ndlp, *next_ndlp; |
2e0fef85 | 2317 | int sentplogi = 0; |
dea3101e | 2318 | |
2e0fef85 JS |
2319 | /* go thru NPR nodes and issue any remaining ELS PLOGIs */ |
2320 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { | |
685f0bf7 JS |
2321 | if (ndlp->nlp_state == NLP_STE_NPR_NODE && |
2322 | (ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 && | |
2323 | (ndlp->nlp_flag & NLP_DELAY_TMO) == 0 && | |
2324 | (ndlp->nlp_flag & NLP_NPR_ADISC) == 0) { | |
2325 | ndlp->nlp_prev_state = ndlp->nlp_state; | |
2e0fef85 JS |
2326 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2327 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
685f0bf7 | 2328 | sentplogi++; |
2e0fef85 JS |
2329 | vport->num_disc_nodes++; |
2330 | if (vport->num_disc_nodes >= | |
2331 | vport->phba->cfg_discovery_threads) { | |
2332 | spin_lock_irq(shost->host_lock); | |
2333 | vport->fc_flag |= FC_NLP_MORE; | |
2334 | spin_unlock_irq(shost->host_lock); | |
685f0bf7 | 2335 | break; |
dea3101e | 2336 | } |
2337 | } | |
2338 | } | |
2339 | if (sentplogi == 0) { | |
2e0fef85 JS |
2340 | spin_lock_irq(shost->host_lock); |
2341 | vport->fc_flag &= ~FC_NLP_MORE; | |
2342 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2343 | } |
2fe165b6 | 2344 | return sentplogi; |
dea3101e | 2345 | } |
2346 | ||
2347 | int | |
2e0fef85 | 2348 | lpfc_els_flush_rscn(struct lpfc_vport *vport) |
dea3101e | 2349 | { |
2e0fef85 JS |
2350 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2351 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2352 | struct lpfc_dmabuf *mp; |
2353 | int i; | |
2354 | ||
2e0fef85 JS |
2355 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
2356 | mp = vport->fc_rscn_id_list[i]; | |
ed957684 JS |
2357 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
2358 | lpfc_sli_hbqbuf_free(phba, mp->virt, mp->phys); | |
2359 | else { | |
2360 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2361 | kfree(mp); | |
2362 | } | |
2e0fef85 | 2363 | vport->fc_rscn_id_list[i] = NULL; |
dea3101e | 2364 | } |
2e0fef85 JS |
2365 | spin_lock_irq(shost->host_lock); |
2366 | vport->fc_rscn_id_cnt = 0; | |
2367 | vport->fc_flag &= ~(FC_RSCN_MODE | FC_RSCN_DISCOVERY); | |
2368 | spin_unlock_irq(shost->host_lock); | |
2369 | lpfc_can_disctmo(vport); | |
c9f8735b | 2370 | return 0; |
dea3101e | 2371 | } |
2372 | ||
2373 | int | |
2e0fef85 | 2374 | lpfc_rscn_payload_check(struct lpfc_vport *vport, uint32_t did) |
dea3101e | 2375 | { |
2376 | D_ID ns_did; | |
2377 | D_ID rscn_did; | |
2378 | struct lpfc_dmabuf *mp; | |
2379 | uint32_t *lp; | |
2380 | uint32_t payload_len, cmd, i, match; | |
2e0fef85 | 2381 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2382 | |
2383 | ns_did.un.word = did; | |
2384 | match = 0; | |
2385 | ||
2386 | /* Never match fabric nodes for RSCNs */ | |
2387 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) | |
2e0fef85 | 2388 | return 0; |
dea3101e | 2389 | |
2390 | /* If we are doing a FULL RSCN rediscovery, match everything */ | |
2e0fef85 | 2391 | if (vport->fc_flag & FC_RSCN_DISCOVERY) |
c9f8735b | 2392 | return did; |
dea3101e | 2393 | |
2e0fef85 JS |
2394 | for (i = 0; i < vport->fc_rscn_id_cnt; i++) { |
2395 | mp = vport->fc_rscn_id_list[i]; | |
dea3101e | 2396 | lp = (uint32_t *) mp->virt; |
2397 | cmd = *lp++; | |
2398 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ | |
2399 | payload_len -= sizeof (uint32_t); /* take off word 0 */ | |
2400 | while (payload_len) { | |
2401 | rscn_did.un.word = *lp++; | |
2402 | rscn_did.un.word = be32_to_cpu(rscn_did.un.word); | |
2403 | payload_len -= sizeof (uint32_t); | |
2404 | switch (rscn_did.un.b.resv) { | |
2405 | case 0: /* Single N_Port ID effected */ | |
2e0fef85 | 2406 | if (ns_did.un.word == rscn_did.un.word) |
dea3101e | 2407 | match = did; |
dea3101e | 2408 | break; |
2409 | case 1: /* Whole N_Port Area effected */ | |
2410 | if ((ns_did.un.b.domain == rscn_did.un.b.domain) | |
2411 | && (ns_did.un.b.area == rscn_did.un.b.area)) | |
dea3101e | 2412 | match = did; |
dea3101e | 2413 | break; |
2414 | case 2: /* Whole N_Port Domain effected */ | |
2415 | if (ns_did.un.b.domain == rscn_did.un.b.domain) | |
dea3101e | 2416 | match = did; |
dea3101e | 2417 | break; |
2418 | case 3: /* Whole Fabric effected */ | |
2419 | match = did; | |
2420 | break; | |
2421 | default: | |
2e0fef85 | 2422 | /* Unknown Identifier in RSCN node */ |
dea3101e | 2423 | lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY, |
2424 | "%d:0217 Unknown Identifier in " | |
2425 | "RSCN payload Data: x%x\n", | |
2426 | phba->brd_no, rscn_did.un.word); | |
2427 | break; | |
2428 | } | |
2e0fef85 | 2429 | if (match) |
dea3101e | 2430 | break; |
2431 | } | |
2432 | } | |
c9f8735b | 2433 | return match; |
dea3101e | 2434 | } |
2435 | ||
2436 | static int | |
2e0fef85 | 2437 | lpfc_rscn_recovery_check(struct lpfc_vport *vport) |
dea3101e | 2438 | { |
685f0bf7 | 2439 | struct lpfc_nodelist *ndlp = NULL; |
dea3101e | 2440 | |
2441 | /* Look at all nodes effected by pending RSCNs and move | |
685f0bf7 | 2442 | * them to NPR state. |
dea3101e | 2443 | */ |
dea3101e | 2444 | |
2e0fef85 | 2445 | list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { |
685f0bf7 | 2446 | if (ndlp->nlp_state == NLP_STE_UNUSED_NODE || |
2e0fef85 | 2447 | lpfc_rscn_payload_check(vport, ndlp->nlp_DID) == 0) |
685f0bf7 | 2448 | continue; |
dea3101e | 2449 | |
2e0fef85 | 2450 | lpfc_disc_state_machine(vport, ndlp, NULL, |
dea3101e | 2451 | NLP_EVT_DEVICE_RECOVERY); |
5024ab17 | 2452 | |
685f0bf7 JS |
2453 | /* |
2454 | * Make sure NLP_DELAY_TMO is NOT running after a device | |
2455 | * recovery event. | |
2456 | */ | |
2457 | if (ndlp->nlp_flag & NLP_DELAY_TMO) | |
2e0fef85 | 2458 | lpfc_cancel_retry_delay_tmo(vport, ndlp); |
dea3101e | 2459 | } |
685f0bf7 | 2460 | |
c9f8735b | 2461 | return 0; |
dea3101e | 2462 | } |
2463 | ||
2464 | static int | |
2e0fef85 JS |
2465 | lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
2466 | struct lpfc_nodelist *ndlp, uint8_t newnode) | |
dea3101e | 2467 | { |
2e0fef85 JS |
2468 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2469 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2470 | struct lpfc_dmabuf *pcmd; |
2471 | uint32_t *lp; | |
2472 | IOCB_t *icmd; | |
2473 | uint32_t payload_len, cmd; | |
d2873e4c | 2474 | int i; |
dea3101e | 2475 | |
2476 | icmd = &cmdiocb->iocb; | |
2477 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2478 | lp = (uint32_t *) pcmd->virt; | |
2479 | ||
2480 | cmd = *lp++; | |
2481 | payload_len = be32_to_cpu(cmd) & 0xffff; /* payload length */ | |
2482 | payload_len -= sizeof (uint32_t); /* take off word 0 */ | |
2483 | cmd &= ELS_CMD_MASK; | |
2484 | ||
2485 | /* RSCN received */ | |
ed957684 | 2486 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
dea3101e | 2487 | "%d:0214 RSCN received Data: x%x x%x x%x x%x\n", |
2e0fef85 JS |
2488 | phba->brd_no, vport->fc_flag, payload_len, *lp, |
2489 | vport->fc_rscn_id_cnt); | |
dea3101e | 2490 | |
d2873e4c | 2491 | for (i = 0; i < payload_len/sizeof(uint32_t); i++) |
2e0fef85 | 2492 | fc_host_post_event(shost, fc_get_event_number(), |
d2873e4c JS |
2493 | FCH_EVT_RSCN, lp[i]); |
2494 | ||
dea3101e | 2495 | /* If we are about to begin discovery, just ACC the RSCN. |
2496 | * Discovery processing will satisfy it. | |
2497 | */ | |
2e0fef85 JS |
2498 | if (vport->port_state <= LPFC_NS_QRY) { |
2499 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, | |
dea3101e | 2500 | newnode); |
c9f8735b | 2501 | return 0; |
dea3101e | 2502 | } |
2503 | ||
2504 | /* If we are already processing an RSCN, save the received | |
2505 | * RSCN payload buffer, cmdiocb->context2 to process later. | |
2506 | */ | |
2e0fef85 JS |
2507 | if (vport->fc_flag & (FC_RSCN_MODE | FC_NDISC_ACTIVE)) { |
2508 | if ((vport->fc_rscn_id_cnt < FC_MAX_HOLD_RSCN) && | |
2509 | !(vport->fc_flag & FC_RSCN_DISCOVERY)) { | |
2510 | spin_lock_irq(shost->host_lock); | |
2511 | vport->fc_flag |= FC_RSCN_MODE; | |
2512 | spin_unlock_irq(shost->host_lock); | |
2513 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; | |
dea3101e | 2514 | |
2515 | /* If we zero, cmdiocb->context2, the calling | |
2516 | * routine will not try to free it. | |
2517 | */ | |
2518 | cmdiocb->context2 = NULL; | |
2519 | ||
2520 | /* Deferred RSCN */ | |
2521 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
2522 | "%d:0235 Deferred RSCN " | |
2523 | "Data: x%x x%x x%x\n", | |
2e0fef85 JS |
2524 | phba->brd_no, vport->fc_rscn_id_cnt, |
2525 | vport->fc_flag, | |
2526 | vport->port_state); | |
dea3101e | 2527 | } else { |
2e0fef85 JS |
2528 | spin_lock_irq(shost->host_lock); |
2529 | vport->fc_flag |= FC_RSCN_DISCOVERY; | |
2530 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2531 | /* ReDiscovery RSCN */ |
2532 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, | |
2533 | "%d:0234 ReDiscovery RSCN " | |
2534 | "Data: x%x x%x x%x\n", | |
2e0fef85 JS |
2535 | phba->brd_no, vport->fc_rscn_id_cnt, |
2536 | vport->fc_flag, | |
2537 | vport->port_state); | |
dea3101e | 2538 | } |
2539 | /* Send back ACC */ | |
2e0fef85 | 2540 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, |
dea3101e | 2541 | newnode); |
2542 | ||
2543 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2e0fef85 | 2544 | lpfc_rscn_recovery_check(vport); |
c9f8735b | 2545 | return 0; |
dea3101e | 2546 | } |
2547 | ||
2e0fef85 JS |
2548 | spin_lock_irq(shost->host_lock); |
2549 | vport->fc_flag |= FC_RSCN_MODE; | |
2550 | spin_unlock_irq(shost->host_lock); | |
2551 | vport->fc_rscn_id_list[vport->fc_rscn_id_cnt++] = pcmd; | |
dea3101e | 2552 | /* |
2553 | * If we zero, cmdiocb->context2, the calling routine will | |
2554 | * not try to free it. | |
2555 | */ | |
2556 | cmdiocb->context2 = NULL; | |
2557 | ||
2e0fef85 | 2558 | lpfc_set_disctmo(vport); |
dea3101e | 2559 | |
2560 | /* Send back ACC */ | |
2e0fef85 | 2561 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, newnode); |
dea3101e | 2562 | |
2563 | /* send RECOVERY event for ALL nodes that match RSCN payload */ | |
2e0fef85 | 2564 | lpfc_rscn_recovery_check(vport); |
dea3101e | 2565 | |
2e0fef85 | 2566 | return lpfc_els_handle_rscn(vport); |
dea3101e | 2567 | } |
2568 | ||
2569 | int | |
2e0fef85 | 2570 | lpfc_els_handle_rscn(struct lpfc_vport *vport) |
dea3101e | 2571 | { |
2572 | struct lpfc_nodelist *ndlp; | |
2e0fef85 | 2573 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2574 | |
2575 | /* Start timer for RSCN processing */ | |
2e0fef85 | 2576 | lpfc_set_disctmo(vport); |
dea3101e | 2577 | |
2578 | /* RSCN processed */ | |
ed957684 | 2579 | lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY, |
dea3101e | 2580 | "%d:0215 RSCN processed Data: x%x x%x x%x x%x\n", |
2581 | phba->brd_no, | |
2e0fef85 JS |
2582 | vport->fc_flag, 0, vport->fc_rscn_id_cnt, |
2583 | vport->port_state); | |
dea3101e | 2584 | |
2585 | /* To process RSCN, first compare RSCN data with NameServer */ | |
2e0fef85 JS |
2586 | vport->fc_ns_retry = 0; |
2587 | ndlp = lpfc_findnode_did(vport, NameServer_DID); | |
685f0bf7 | 2588 | if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { |
dea3101e | 2589 | /* Good ndlp, issue CT Request to NameServer */ |
2e0fef85 | 2590 | if (lpfc_ns_cmd(vport, ndlp, SLI_CTNS_GID_FT) == 0) |
dea3101e | 2591 | /* Wait for NameServer query cmpl before we can |
2592 | continue */ | |
c9f8735b | 2593 | return 1; |
dea3101e | 2594 | } else { |
2595 | /* If login to NameServer does not exist, issue one */ | |
2596 | /* Good status, issue PLOGI to NameServer */ | |
2e0fef85 JS |
2597 | ndlp = lpfc_findnode_did(vport, NameServer_DID); |
2598 | if (ndlp) | |
dea3101e | 2599 | /* Wait for NameServer login cmpl before we can |
2600 | continue */ | |
c9f8735b | 2601 | return 1; |
2e0fef85 | 2602 | |
c9f8735b JW |
2603 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
2604 | if (!ndlp) { | |
2e0fef85 | 2605 | lpfc_els_flush_rscn(vport); |
c9f8735b | 2606 | return 0; |
dea3101e | 2607 | } else { |
2e0fef85 | 2608 | lpfc_nlp_init(vport, ndlp, NameServer_DID); |
dea3101e | 2609 | ndlp->nlp_type |= NLP_FABRIC; |
5024ab17 | 2610 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 JS |
2611 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE); |
2612 | lpfc_issue_els_plogi(vport, NameServer_DID, 0); | |
dea3101e | 2613 | /* Wait for NameServer login cmpl before we can |
2614 | continue */ | |
c9f8735b | 2615 | return 1; |
dea3101e | 2616 | } |
2617 | } | |
2618 | ||
2e0fef85 | 2619 | lpfc_els_flush_rscn(vport); |
c9f8735b | 2620 | return 0; |
dea3101e | 2621 | } |
2622 | ||
2623 | static int | |
2e0fef85 JS |
2624 | lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
2625 | struct lpfc_nodelist *ndlp, uint8_t newnode) | |
dea3101e | 2626 | { |
2e0fef85 JS |
2627 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
2628 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 2629 | struct lpfc_dmabuf *pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
2630 | uint32_t *lp = (uint32_t *) pcmd->virt; | |
2631 | IOCB_t *icmd = &cmdiocb->iocb; | |
2632 | struct serv_parm *sp; | |
2633 | LPFC_MBOXQ_t *mbox; | |
2634 | struct ls_rjt stat; | |
2635 | uint32_t cmd, did; | |
2636 | int rc; | |
2637 | ||
2638 | cmd = *lp++; | |
2639 | sp = (struct serv_parm *) lp; | |
2640 | ||
2641 | /* FLOGI received */ | |
2642 | ||
2e0fef85 | 2643 | lpfc_set_disctmo(vport); |
dea3101e | 2644 | |
2645 | if (phba->fc_topology == TOPOLOGY_LOOP) { | |
2646 | /* We should never receive a FLOGI in loop mode, ignore it */ | |
2647 | did = icmd->un.elsreq64.remoteID; | |
2648 | ||
2649 | /* An FLOGI ELS command <elsCmd> was received from DID <did> in | |
2650 | Loop Mode */ | |
2651 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
2652 | "%d:0113 An FLOGI ELS command x%x was received " | |
2653 | "from DID x%x in Loop Mode\n", | |
2654 | phba->brd_no, cmd, did); | |
c9f8735b | 2655 | return 1; |
dea3101e | 2656 | } |
2657 | ||
2658 | did = Fabric_DID; | |
2659 | ||
2e0fef85 | 2660 | if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) { |
dea3101e | 2661 | /* For a FLOGI we accept, then if our portname is greater |
2662 | * then the remote portname we initiate Nport login. | |
2663 | */ | |
2664 | ||
2e0fef85 | 2665 | rc = memcmp(&vport->fc_portname, &sp->portName, |
dea3101e | 2666 | sizeof (struct lpfc_name)); |
2667 | ||
2668 | if (!rc) { | |
2e0fef85 JS |
2669 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
2670 | if (!mbox) | |
c9f8735b | 2671 | return 1; |
2e0fef85 | 2672 | |
dea3101e | 2673 | lpfc_linkdown(phba); |
2674 | lpfc_init_link(phba, mbox, | |
2675 | phba->cfg_topology, | |
2676 | phba->cfg_link_speed); | |
2677 | mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; | |
2678 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
ed957684 | 2679 | mbox->vport = vport; |
dea3101e | 2680 | rc = lpfc_sli_issue_mbox |
2681 | (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); | |
5b8bd0c9 | 2682 | lpfc_set_loopback_flag(phba); |
dea3101e | 2683 | if (rc == MBX_NOT_FINISHED) { |
329f9bc7 | 2684 | mempool_free(mbox, phba->mbox_mem_pool); |
dea3101e | 2685 | } |
c9f8735b | 2686 | return 1; |
2fe165b6 | 2687 | } else if (rc > 0) { /* greater than */ |
2e0fef85 JS |
2688 | spin_lock_irq(shost->host_lock); |
2689 | vport->fc_flag |= FC_PT2PT_PLOGI; | |
2690 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2691 | } |
2e0fef85 JS |
2692 | spin_lock_irq(shost->host_lock); |
2693 | vport->fc_flag |= FC_PT2PT; | |
2694 | vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); | |
2695 | spin_unlock_irq(shost->host_lock); | |
dea3101e | 2696 | } else { |
2697 | /* Reject this request because invalid parameters */ | |
2698 | stat.un.b.lsRjtRsvd0 = 0; | |
2699 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2700 | stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS; | |
2701 | stat.un.b.vendorUnique = 0; | |
2e0fef85 | 2702 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
c9f8735b | 2703 | return 1; |
dea3101e | 2704 | } |
2705 | ||
2706 | /* Send back ACC */ | |
2e0fef85 | 2707 | lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL, newnode); |
dea3101e | 2708 | |
c9f8735b | 2709 | return 0; |
dea3101e | 2710 | } |
2711 | ||
2712 | static int | |
2e0fef85 JS |
2713 | lpfc_els_rcv_rnid(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
2714 | struct lpfc_nodelist *ndlp) | |
dea3101e | 2715 | { |
2716 | struct lpfc_dmabuf *pcmd; | |
2717 | uint32_t *lp; | |
2718 | IOCB_t *icmd; | |
2719 | RNID *rn; | |
2720 | struct ls_rjt stat; | |
2721 | uint32_t cmd, did; | |
2722 | ||
2723 | icmd = &cmdiocb->iocb; | |
2724 | did = icmd->un.elsreq64.remoteID; | |
2725 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2726 | lp = (uint32_t *) pcmd->virt; | |
2727 | ||
2728 | cmd = *lp++; | |
2729 | rn = (RNID *) lp; | |
2730 | ||
2731 | /* RNID received */ | |
2732 | ||
2733 | switch (rn->Format) { | |
2734 | case 0: | |
2735 | case RNID_TOPOLOGY_DISC: | |
2736 | /* Send back ACC */ | |
2e0fef85 | 2737 | lpfc_els_rsp_rnid_acc(vport, rn->Format, cmdiocb, ndlp); |
dea3101e | 2738 | break; |
2739 | default: | |
2740 | /* Reject this request because format not supported */ | |
2741 | stat.un.b.lsRjtRsvd0 = 0; | |
2742 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2743 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2744 | stat.un.b.vendorUnique = 0; | |
2e0fef85 | 2745 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
dea3101e | 2746 | } |
c9f8735b | 2747 | return 0; |
dea3101e | 2748 | } |
2749 | ||
2750 | static int | |
2e0fef85 JS |
2751 | lpfc_els_rcv_lirr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
2752 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
2753 | { |
2754 | struct ls_rjt stat; | |
2755 | ||
2756 | /* For now, unconditionally reject this command */ | |
2757 | stat.un.b.lsRjtRsvd0 = 0; | |
2758 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2759 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2760 | stat.un.b.vendorUnique = 0; | |
2e0fef85 | 2761 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
7bb3b137 JW |
2762 | return 0; |
2763 | } | |
2764 | ||
082c0266 | 2765 | static void |
329f9bc7 | 2766 | lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
7bb3b137 | 2767 | { |
2e0fef85 JS |
2768 | struct lpfc_sli *psli = &phba->sli; |
2769 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
7bb3b137 JW |
2770 | MAILBOX_t *mb; |
2771 | IOCB_t *icmd; | |
2772 | RPS_RSP *rps_rsp; | |
2773 | uint8_t *pcmd; | |
2774 | struct lpfc_iocbq *elsiocb; | |
2775 | struct lpfc_nodelist *ndlp; | |
2776 | uint16_t xri, status; | |
2777 | uint32_t cmdsize; | |
2778 | ||
7bb3b137 JW |
2779 | mb = &pmb->mb; |
2780 | ||
2781 | ndlp = (struct lpfc_nodelist *) pmb->context2; | |
2782 | xri = (uint16_t) ((unsigned long)(pmb->context1)); | |
041976fb RD |
2783 | pmb->context1 = NULL; |
2784 | pmb->context2 = NULL; | |
7bb3b137 JW |
2785 | |
2786 | if (mb->mbxStatus) { | |
329f9bc7 | 2787 | mempool_free(pmb, phba->mbox_mem_pool); |
7bb3b137 JW |
2788 | return; |
2789 | } | |
2790 | ||
2791 | cmdsize = sizeof(RPS_RSP) + sizeof(uint32_t); | |
329f9bc7 | 2792 | mempool_free(pmb, phba->mbox_mem_pool); |
2e0fef85 JS |
2793 | elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, |
2794 | lpfc_max_els_tries, ndlp, | |
2795 | ndlp->nlp_DID, ELS_CMD_ACC); | |
329f9bc7 | 2796 | lpfc_nlp_put(ndlp); |
c9f8735b | 2797 | if (!elsiocb) |
7bb3b137 | 2798 | return; |
7bb3b137 JW |
2799 | |
2800 | icmd = &elsiocb->iocb; | |
2801 | icmd->ulpContext = xri; | |
2802 | ||
2803 | pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2804 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2805 | pcmd += sizeof (uint32_t); /* Skip past command */ | |
2806 | rps_rsp = (RPS_RSP *)pcmd; | |
2807 | ||
2808 | if (phba->fc_topology != TOPOLOGY_LOOP) | |
2809 | status = 0x10; | |
2810 | else | |
2811 | status = 0x8; | |
2e0fef85 | 2812 | if (phba->pport->fc_flag & FC_FABRIC) |
7bb3b137 JW |
2813 | status |= 0x4; |
2814 | ||
2815 | rps_rsp->rsvd1 = 0; | |
2816 | rps_rsp->portStatus = be16_to_cpu(status); | |
2817 | rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt); | |
2818 | rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt); | |
2819 | rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt); | |
2820 | rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt); | |
2821 | rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord); | |
2822 | rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt); | |
2823 | ||
2824 | /* Xmit ELS RPS ACC response tag <ulpIoTag> */ | |
2825 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2826 | "%d:0118 Xmit ELS RPS ACC response tag x%x xri x%x, " |
2827 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2828 | phba->brd_no, elsiocb->iotag, | |
7bb3b137 JW |
2829 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2830 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2831 | ||
2832 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2833 | phba->fc_stat.elsXmitACC++; | |
ed957684 | 2834 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) |
7bb3b137 | 2835 | lpfc_els_free_iocb(phba, elsiocb); |
7bb3b137 JW |
2836 | return; |
2837 | } | |
2838 | ||
2839 | static int | |
2e0fef85 JS |
2840 | lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
2841 | struct lpfc_nodelist *ndlp) | |
dea3101e | 2842 | { |
2e0fef85 | 2843 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2844 | uint32_t *lp; |
7bb3b137 JW |
2845 | uint8_t flag; |
2846 | LPFC_MBOXQ_t *mbox; | |
2847 | struct lpfc_dmabuf *pcmd; | |
2848 | RPS *rps; | |
2849 | struct ls_rjt stat; | |
2850 | ||
2fe165b6 JW |
2851 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
2852 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
2853 | stat.un.b.lsRjtRsvd0 = 0; |
2854 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2855 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2856 | stat.un.b.vendorUnique = 0; | |
2e0fef85 | 2857 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
7bb3b137 JW |
2858 | } |
2859 | ||
2860 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
2861 | lp = (uint32_t *) pcmd->virt; | |
2862 | flag = (be32_to_cpu(*lp++) & 0xf); | |
2863 | rps = (RPS *) lp; | |
2864 | ||
2865 | if ((flag == 0) || | |
2866 | ((flag == 1) && (be32_to_cpu(rps->un.portNum) == 0)) || | |
2e0fef85 | 2867 | ((flag == 2) && (memcmp(&rps->un.portName, &vport->fc_portname, |
7bb3b137 | 2868 | sizeof (struct lpfc_name)) == 0))) { |
2e0fef85 JS |
2869 | |
2870 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_ATOMIC); | |
2871 | if (mbox) { | |
7bb3b137 JW |
2872 | lpfc_read_lnk_stat(phba, mbox); |
2873 | mbox->context1 = | |
2874 | (void *)((unsigned long)cmdiocb->iocb.ulpContext); | |
329f9bc7 | 2875 | mbox->context2 = lpfc_nlp_get(ndlp); |
7bb3b137 JW |
2876 | mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; |
2877 | if (lpfc_sli_issue_mbox (phba, mbox, | |
2e0fef85 | 2878 | (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) |
7bb3b137 JW |
2879 | /* Mbox completion will send ELS Response */ |
2880 | return 0; | |
2e0fef85 | 2881 | |
329f9bc7 | 2882 | lpfc_nlp_put(ndlp); |
7bb3b137 JW |
2883 | mempool_free(mbox, phba->mbox_mem_pool); |
2884 | } | |
2885 | } | |
2886 | stat.un.b.lsRjtRsvd0 = 0; | |
2887 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2888 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2889 | stat.un.b.vendorUnique = 0; | |
2e0fef85 | 2890 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
7bb3b137 JW |
2891 | return 0; |
2892 | } | |
2893 | ||
082c0266 | 2894 | static int |
2e0fef85 JS |
2895 | lpfc_els_rsp_rpl_acc(struct lpfc_vport *vport, uint16_t cmdsize, |
2896 | struct lpfc_iocbq *oldiocb, struct lpfc_nodelist *ndlp) | |
7bb3b137 | 2897 | { |
2e0fef85 JS |
2898 | struct lpfc_hba *phba = vport->phba; |
2899 | IOCB_t *icmd, *oldcmd; | |
7bb3b137 JW |
2900 | RPL_RSP rpl_rsp; |
2901 | struct lpfc_iocbq *elsiocb; | |
2e0fef85 JS |
2902 | struct lpfc_sli *psli = &phba->sli; |
2903 | struct lpfc_sli_ring *pring = &psli->ring[LPFC_ELS_RING]; | |
7bb3b137 | 2904 | uint8_t *pcmd; |
dea3101e | 2905 | |
2e0fef85 JS |
2906 | elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, |
2907 | ndlp->nlp_DID, ELS_CMD_ACC); | |
7bb3b137 | 2908 | |
488d1469 | 2909 | if (!elsiocb) |
7bb3b137 | 2910 | return 1; |
488d1469 | 2911 | |
7bb3b137 JW |
2912 | icmd = &elsiocb->iocb; |
2913 | oldcmd = &oldiocb->iocb; | |
2914 | icmd->ulpContext = oldcmd->ulpContext; /* Xri */ | |
2915 | ||
2916 | pcmd = (((struct lpfc_dmabuf *) elsiocb->context2)->virt); | |
2917 | *((uint32_t *) (pcmd)) = ELS_CMD_ACC; | |
2918 | pcmd += sizeof (uint16_t); | |
2919 | *((uint16_t *)(pcmd)) = be16_to_cpu(cmdsize); | |
2920 | pcmd += sizeof(uint16_t); | |
2921 | ||
2922 | /* Setup the RPL ACC payload */ | |
2923 | rpl_rsp.listLen = be32_to_cpu(1); | |
2924 | rpl_rsp.index = 0; | |
2925 | rpl_rsp.port_num_blk.portNum = 0; | |
2e0fef85 JS |
2926 | rpl_rsp.port_num_blk.portID = be32_to_cpu(vport->fc_myDID); |
2927 | memcpy(&rpl_rsp.port_num_blk.portName, &vport->fc_portname, | |
7bb3b137 JW |
2928 | sizeof(struct lpfc_name)); |
2929 | ||
2930 | memcpy(pcmd, &rpl_rsp, cmdsize - sizeof(uint32_t)); | |
2931 | ||
2932 | ||
2933 | /* Xmit ELS RPL ACC response tag <ulpIoTag> */ | |
2934 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
5b8bd0c9 JS |
2935 | "%d:0120 Xmit ELS RPL ACC response tag x%x xri x%x, " |
2936 | "did x%x, nlp_flag x%x, nlp_state x%x, rpi x%x\n", | |
2937 | phba->brd_no, elsiocb->iotag, | |
7bb3b137 JW |
2938 | elsiocb->iocb.ulpContext, ndlp->nlp_DID, |
2939 | ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); | |
2940 | ||
2941 | elsiocb->iocb_cmpl = lpfc_cmpl_els_acc; | |
2942 | ||
2943 | phba->fc_stat.elsXmitACC++; | |
2944 | if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { | |
2945 | lpfc_els_free_iocb(phba, elsiocb); | |
2946 | return 1; | |
2947 | } | |
2948 | return 0; | |
2949 | } | |
2950 | ||
2951 | static int | |
2e0fef85 JS |
2952 | lpfc_els_rcv_rpl(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
2953 | struct lpfc_nodelist *ndlp) | |
7bb3b137 JW |
2954 | { |
2955 | struct lpfc_dmabuf *pcmd; | |
2956 | uint32_t *lp; | |
2957 | uint32_t maxsize; | |
2958 | uint16_t cmdsize; | |
2959 | RPL *rpl; | |
2960 | struct ls_rjt stat; | |
2961 | ||
2fe165b6 JW |
2962 | if ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && |
2963 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE)) { | |
7bb3b137 JW |
2964 | stat.un.b.lsRjtRsvd0 = 0; |
2965 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
2966 | stat.un.b.lsRjtRsnCodeExp = LSEXP_CANT_GIVE_DATA; | |
2967 | stat.un.b.vendorUnique = 0; | |
2e0fef85 | 2968 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp); |
7bb3b137 JW |
2969 | } |
2970 | ||
dea3101e | 2971 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; |
2972 | lp = (uint32_t *) pcmd->virt; | |
7bb3b137 | 2973 | rpl = (RPL *) (lp + 1); |
dea3101e | 2974 | |
7bb3b137 | 2975 | maxsize = be32_to_cpu(rpl->maxsize); |
dea3101e | 2976 | |
7bb3b137 JW |
2977 | /* We support only one port */ |
2978 | if ((rpl->index == 0) && | |
2979 | ((maxsize == 0) || | |
2980 | ((maxsize * sizeof(uint32_t)) >= sizeof(RPL_RSP)))) { | |
2981 | cmdsize = sizeof(uint32_t) + sizeof(RPL_RSP); | |
2fe165b6 | 2982 | } else { |
7bb3b137 JW |
2983 | cmdsize = sizeof(uint32_t) + maxsize * sizeof(uint32_t); |
2984 | } | |
2e0fef85 | 2985 | lpfc_els_rsp_rpl_acc(vport, cmdsize, cmdiocb, ndlp); |
dea3101e | 2986 | |
2987 | return 0; | |
2988 | } | |
2989 | ||
2990 | static int | |
2e0fef85 JS |
2991 | lpfc_els_rcv_farp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
2992 | struct lpfc_nodelist *ndlp) | |
dea3101e | 2993 | { |
2e0fef85 | 2994 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 2995 | struct lpfc_dmabuf *pcmd; |
2996 | uint32_t *lp; | |
2997 | IOCB_t *icmd; | |
2998 | FARP *fp; | |
2999 | uint32_t cmd, cnt, did; | |
3000 | ||
3001 | icmd = &cmdiocb->iocb; | |
3002 | did = icmd->un.elsreq64.remoteID; | |
3003 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3004 | lp = (uint32_t *) pcmd->virt; | |
3005 | ||
3006 | cmd = *lp++; | |
3007 | fp = (FARP *) lp; | |
3008 | ||
3009 | /* FARP-REQ received from DID <did> */ | |
ed957684 | 3010 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
dea3101e | 3011 | "%d:0601 FARP-REQ received from DID x%x\n", |
3012 | phba->brd_no, did); | |
3013 | ||
3014 | /* We will only support match on WWPN or WWNN */ | |
3015 | if (fp->Mflags & ~(FARP_MATCH_NODE | FARP_MATCH_PORT)) { | |
c9f8735b | 3016 | return 0; |
dea3101e | 3017 | } |
3018 | ||
3019 | cnt = 0; | |
3020 | /* If this FARP command is searching for my portname */ | |
3021 | if (fp->Mflags & FARP_MATCH_PORT) { | |
2e0fef85 | 3022 | if (memcmp(&fp->RportName, &vport->fc_portname, |
dea3101e | 3023 | sizeof (struct lpfc_name)) == 0) |
3024 | cnt = 1; | |
3025 | } | |
3026 | ||
3027 | /* If this FARP command is searching for my nodename */ | |
3028 | if (fp->Mflags & FARP_MATCH_NODE) { | |
2e0fef85 | 3029 | if (memcmp(&fp->RnodeName, &vport->fc_nodename, |
dea3101e | 3030 | sizeof (struct lpfc_name)) == 0) |
3031 | cnt = 1; | |
3032 | } | |
3033 | ||
3034 | if (cnt) { | |
3035 | if ((ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) || | |
3036 | (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { | |
3037 | /* Log back into the node before sending the FARP. */ | |
3038 | if (fp->Rflags & FARP_REQUEST_PLOGI) { | |
5024ab17 | 3039 | ndlp->nlp_prev_state = ndlp->nlp_state; |
2e0fef85 | 3040 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3041 | NLP_STE_PLOGI_ISSUE); |
2e0fef85 | 3042 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); |
dea3101e | 3043 | } |
3044 | ||
3045 | /* Send a FARP response to that node */ | |
2e0fef85 JS |
3046 | if (fp->Rflags & FARP_REQUEST_FARPR) |
3047 | lpfc_issue_els_farpr(vport, did, 0); | |
dea3101e | 3048 | } |
3049 | } | |
c9f8735b | 3050 | return 0; |
dea3101e | 3051 | } |
3052 | ||
3053 | static int | |
2e0fef85 JS |
3054 | lpfc_els_rcv_farpr(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3055 | struct lpfc_nodelist *ndlp) | |
dea3101e | 3056 | { |
3057 | struct lpfc_dmabuf *pcmd; | |
3058 | uint32_t *lp; | |
3059 | IOCB_t *icmd; | |
3060 | uint32_t cmd, did; | |
2e0fef85 | 3061 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3062 | |
3063 | icmd = &cmdiocb->iocb; | |
3064 | did = icmd->un.elsreq64.remoteID; | |
3065 | pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; | |
3066 | lp = (uint32_t *) pcmd->virt; | |
3067 | ||
3068 | cmd = *lp++; | |
3069 | /* FARP-RSP received from DID <did> */ | |
ed957684 | 3070 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
dea3101e | 3071 | "%d:0600 FARP-RSP received from DID x%x\n", |
3072 | phba->brd_no, did); | |
dea3101e | 3073 | /* ACCEPT the Farp resp request */ |
2e0fef85 | 3074 | lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); |
dea3101e | 3075 | |
3076 | return 0; | |
3077 | } | |
3078 | ||
3079 | static int | |
2e0fef85 JS |
3080 | lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, |
3081 | struct lpfc_nodelist *fan_ndlp) | |
dea3101e | 3082 | { |
3083 | struct lpfc_dmabuf *pcmd; | |
3084 | uint32_t *lp; | |
3085 | IOCB_t *icmd; | |
dea3101e | 3086 | uint32_t cmd, did; |
5024ab17 JW |
3087 | FAN *fp; |
3088 | struct lpfc_nodelist *ndlp, *next_ndlp; | |
2e0fef85 | 3089 | struct lpfc_hba *phba = vport->phba; |
5024ab17 JW |
3090 | |
3091 | /* FAN received */ | |
ed957684 JS |
3092 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
3093 | "%d:0265 FAN received\n", | |
3094 | phba->brd_no); | |
dea3101e | 3095 | |
3096 | icmd = &cmdiocb->iocb; | |
3097 | did = icmd->un.elsreq64.remoteID; | |
5024ab17 JW |
3098 | pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; |
3099 | lp = (uint32_t *)pcmd->virt; | |
dea3101e | 3100 | |
3101 | cmd = *lp++; | |
5024ab17 | 3102 | fp = (FAN *)lp; |
dea3101e | 3103 | |
5024ab17 | 3104 | /* FAN received; Fan does not have a reply sequence */ |
dea3101e | 3105 | |
2e0fef85 | 3106 | if (phba->pport->port_state == LPFC_LOCAL_CFG_LINK) { |
5024ab17 JW |
3107 | if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, |
3108 | sizeof(struct lpfc_name)) != 0) || | |
3109 | (memcmp(&phba->fc_fabparam.portName, &fp->FportName, | |
3110 | sizeof(struct lpfc_name)) != 0)) { | |
3111 | /* | |
3112 | * This node has switched fabrics. FLOGI is required | |
3113 | * Clean up the old rpi's | |
dea3101e | 3114 | */ |
5024ab17 JW |
3115 | |
3116 | list_for_each_entry_safe(ndlp, next_ndlp, | |
2e0fef85 | 3117 | &vport->fc_nodes, nlp_listp) { |
685f0bf7 JS |
3118 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) |
3119 | continue; | |
5024ab17 JW |
3120 | if (ndlp->nlp_type & NLP_FABRIC) { |
3121 | /* | |
3122 | * Clean up old Fabric, Nameserver and | |
3123 | * other NLP_FABRIC logins | |
3124 | */ | |
2e0fef85 | 3125 | lpfc_drop_node(vport, ndlp); |
2fe165b6 | 3126 | } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { |
5024ab17 JW |
3127 | /* Fail outstanding I/O now since this |
3128 | * device is marked for PLOGI | |
3129 | */ | |
2e0fef85 | 3130 | lpfc_unreg_rpi(vport, ndlp); |
5024ab17 JW |
3131 | } |
3132 | } | |
3133 | ||
2e0fef85 JS |
3134 | vport->port_state = LPFC_FLOGI; |
3135 | lpfc_set_disctmo(vport); | |
3136 | lpfc_initial_flogi(vport); | |
c9f8735b | 3137 | return 0; |
dea3101e | 3138 | } |
5024ab17 JW |
3139 | /* Discovery not needed, |
3140 | * move the nodes to their original state. | |
3141 | */ | |
2e0fef85 | 3142 | list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, |
685f0bf7 JS |
3143 | nlp_listp) { |
3144 | if (ndlp->nlp_state != NLP_STE_NPR_NODE) | |
3145 | continue; | |
dea3101e | 3146 | |
5024ab17 JW |
3147 | switch (ndlp->nlp_prev_state) { |
3148 | case NLP_STE_UNMAPPED_NODE: | |
3149 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2e0fef85 | 3150 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3151 | NLP_STE_UNMAPPED_NODE); |
5024ab17 JW |
3152 | break; |
3153 | ||
3154 | case NLP_STE_MAPPED_NODE: | |
3155 | ndlp->nlp_prev_state = NLP_STE_NPR_NODE; | |
2e0fef85 | 3156 | lpfc_nlp_set_state(vport, ndlp, |
de0c5b32 | 3157 | NLP_STE_MAPPED_NODE); |
5024ab17 JW |
3158 | break; |
3159 | ||
3160 | default: | |
3161 | break; | |
3162 | } | |
3163 | } | |
3164 | ||
3165 | /* Start discovery - this should just do CLEAR_LA */ | |
2e0fef85 | 3166 | lpfc_disc_start(vport); |
dea3101e | 3167 | } |
c9f8735b | 3168 | return 0; |
dea3101e | 3169 | } |
3170 | ||
3171 | void | |
3172 | lpfc_els_timeout(unsigned long ptr) | |
3173 | { | |
2e0fef85 JS |
3174 | struct lpfc_vport *vport = (struct lpfc_vport *) ptr; |
3175 | struct lpfc_hba *phba = vport->phba; | |
dea3101e | 3176 | unsigned long iflag; |
3177 | ||
2e0fef85 JS |
3178 | spin_lock_irqsave(&vport->work_port_lock, iflag); |
3179 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { | |
3180 | vport->work_port_events |= WORKER_ELS_TMO; | |
dea3101e | 3181 | if (phba->work_wait) |
3182 | wake_up(phba->work_wait); | |
3183 | } | |
2e0fef85 | 3184 | spin_unlock_irqrestore(&vport->work_port_lock, iflag); |
dea3101e | 3185 | return; |
3186 | } | |
3187 | ||
3188 | void | |
2e0fef85 | 3189 | lpfc_els_timeout_handler(struct lpfc_vport *vport) |
dea3101e | 3190 | { |
2e0fef85 | 3191 | struct lpfc_hba *phba = vport->phba; |
dea3101e | 3192 | struct lpfc_sli_ring *pring; |
3193 | struct lpfc_iocbq *tmp_iocb, *piocb; | |
3194 | IOCB_t *cmd = NULL; | |
3195 | struct lpfc_dmabuf *pcmd; | |
2e0fef85 | 3196 | uint32_t els_command = 0; |
dea3101e | 3197 | uint32_t timeout; |
2e0fef85 | 3198 | uint32_t remote_ID = 0xffffffff; |
dea3101e | 3199 | |
dea3101e | 3200 | /* If the timer is already canceled do nothing */ |
2e0fef85 | 3201 | if ((vport->work_port_events & WORKER_ELS_TMO) == 0) { |
dea3101e | 3202 | return; |
3203 | } | |
2e0fef85 | 3204 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3205 | timeout = (uint32_t)(phba->fc_ratov << 1); |
3206 | ||
3207 | pring = &phba->sli.ring[LPFC_ELS_RING]; | |
dea3101e | 3208 | |
3209 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
3210 | cmd = &piocb->iocb; | |
3211 | ||
2e0fef85 JS |
3212 | if ((piocb->iocb_flag & LPFC_IO_LIBDFC) != 0 || |
3213 | piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
3214 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) | |
dea3101e | 3215 | continue; |
2e0fef85 JS |
3216 | |
3217 | if (piocb->vport != vport) | |
3218 | continue; | |
3219 | ||
dea3101e | 3220 | pcmd = (struct lpfc_dmabuf *) piocb->context2; |
2e0fef85 JS |
3221 | if (pcmd) |
3222 | els_command = *(uint32_t *) (pcmd->virt); | |
dea3101e | 3223 | |
3224 | if ((els_command == ELS_CMD_FARP) | |
3225 | || (els_command == ELS_CMD_FARPR)) { | |
3226 | continue; | |
3227 | } | |
3228 | ||
3229 | if (piocb->drvrTimeout > 0) { | |
3230 | if (piocb->drvrTimeout >= timeout) { | |
3231 | piocb->drvrTimeout -= timeout; | |
3232 | } else { | |
3233 | piocb->drvrTimeout = 0; | |
3234 | } | |
3235 | continue; | |
3236 | } | |
3237 | ||
2e0fef85 JS |
3238 | remote_ID = 0xffffffff; |
3239 | if (cmd->ulpCommand != CMD_GEN_REQUEST64_CR) | |
dea3101e | 3240 | remote_ID = cmd->un.elsreq64.remoteID; |
2e0fef85 JS |
3241 | else { |
3242 | struct lpfc_nodelist *ndlp; | |
3243 | ndlp = __lpfc_findnode_rpi(vport, cmd->ulpContext); | |
3244 | if (ndlp) | |
3245 | remote_ID = ndlp->nlp_DID; | |
dea3101e | 3246 | } |
3247 | ||
3248 | lpfc_printf_log(phba, | |
3249 | KERN_ERR, | |
3250 | LOG_ELS, | |
3251 | "%d:0127 ELS timeout Data: x%x x%x x%x x%x\n", | |
3252 | phba->brd_no, els_command, | |
3253 | remote_ID, cmd->ulpCommand, cmd->ulpIoTag); | |
3254 | ||
07951076 | 3255 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3256 | } |
2e0fef85 | 3257 | spin_unlock_irq(&phba->hbalock); |
5a0e326d | 3258 | |
2e0fef85 JS |
3259 | if (phba->sli.ring[LPFC_ELS_RING].txcmplq_cnt) |
3260 | mod_timer(&vport->els_tmofunc, jiffies + HZ * timeout); | |
dea3101e | 3261 | } |
3262 | ||
3263 | void | |
2e0fef85 | 3264 | lpfc_els_flush_cmd(struct lpfc_vport *vport) |
dea3101e | 3265 | { |
2534ba75 | 3266 | LIST_HEAD(completions); |
2e0fef85 | 3267 | struct lpfc_hba *phba = vport->phba; |
329f9bc7 | 3268 | struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING]; |
dea3101e | 3269 | struct lpfc_iocbq *tmp_iocb, *piocb; |
3270 | IOCB_t *cmd = NULL; | |
dea3101e | 3271 | |
2e0fef85 | 3272 | spin_lock_irq(&phba->hbalock); |
dea3101e | 3273 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txq, list) { |
3274 | cmd = &piocb->iocb; | |
3275 | ||
3276 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { | |
3277 | continue; | |
3278 | } | |
3279 | ||
3280 | /* Do not flush out the QUE_RING and ABORT/CLOSE iocbs */ | |
329f9bc7 JS |
3281 | if (cmd->ulpCommand == CMD_QUE_RING_BUF_CN || |
3282 | cmd->ulpCommand == CMD_QUE_RING_BUF64_CN || | |
3283 | cmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
3284 | cmd->ulpCommand == CMD_ABORT_XRI_CN) | |
dea3101e | 3285 | continue; |
dea3101e | 3286 | |
2e0fef85 JS |
3287 | if (piocb->vport != vport) |
3288 | continue; | |
3289 | ||
2534ba75 | 3290 | list_move_tail(&piocb->list, &completions); |
1dcb58e5 | 3291 | pring->txq_cnt--; |
dea3101e | 3292 | } |
3293 | ||
3294 | list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) { | |
dea3101e | 3295 | if (piocb->iocb_flag & LPFC_IO_LIBDFC) { |
3296 | continue; | |
3297 | } | |
dea3101e | 3298 | |
2e0fef85 JS |
3299 | if (piocb->vport != vport) |
3300 | continue; | |
3301 | ||
07951076 | 3302 | lpfc_sli_issue_abort_iotag(phba, pring, piocb); |
dea3101e | 3303 | } |
2e0fef85 | 3304 | spin_unlock_irq(&phba->hbalock); |
2534ba75 | 3305 | |
2e0fef85 | 3306 | while (!list_empty(&completions)) { |
2534ba75 JS |
3307 | piocb = list_get_first(&completions, struct lpfc_iocbq, list); |
3308 | cmd = &piocb->iocb; | |
3309 | list_del(&piocb->list); | |
3310 | ||
2e0fef85 JS |
3311 | if (!piocb->iocb_cmpl) |
3312 | lpfc_sli_release_iocbq(phba, piocb); | |
3313 | else { | |
2534ba75 JS |
3314 | cmd->ulpStatus = IOSTAT_LOCAL_REJECT; |
3315 | cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; | |
3316 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
2e0fef85 | 3317 | } |
2534ba75 JS |
3318 | } |
3319 | ||
dea3101e | 3320 | return; |
3321 | } | |
3322 | ||
ed957684 JS |
3323 | static void |
3324 | lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3325 | struct lpfc_vport *vport, struct lpfc_dmabuf *mp, | |
3326 | struct lpfc_iocbq *elsiocb) | |
dea3101e | 3327 | { |
dea3101e | 3328 | struct lpfc_nodelist *ndlp; |
dea3101e | 3329 | struct ls_rjt stat; |
ed957684 | 3330 | uint32_t *lp; |
2e0fef85 | 3331 | uint32_t cmd, did, newnode, rjt_err = 0; |
ed957684 | 3332 | IOCB_t *icmd = &elsiocb->iocb; |
dea3101e | 3333 | |
ed957684 | 3334 | if (!vport || !mp) |
dea3101e | 3335 | goto dropit; |
2e0fef85 | 3336 | |
dea3101e | 3337 | newnode = 0; |
3338 | lp = (uint32_t *) mp->virt; | |
3339 | cmd = *lp++; | |
ed957684 JS |
3340 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) == 0) |
3341 | lpfc_post_buffer(phba, pring, 1, 1); | |
dea3101e | 3342 | |
ed957684 | 3343 | if (icmd->ulpStatus) |
dea3101e | 3344 | goto dropit; |
dea3101e | 3345 | |
3346 | /* Check to see if link went down during discovery */ | |
ed957684 | 3347 | if (lpfc_els_chk_latt(vport)) |
dea3101e | 3348 | goto dropit; |
dea3101e | 3349 | |
3350 | did = icmd->un.rcvels.remoteID; | |
2e0fef85 | 3351 | ndlp = lpfc_findnode_did(vport, did); |
c9f8735b | 3352 | if (!ndlp) { |
dea3101e | 3353 | /* Cannot find existing Fabric ndlp, so allocate a new one */ |
c9f8735b | 3354 | ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL); |
ed957684 | 3355 | if (!ndlp) |
dea3101e | 3356 | goto dropit; |
dea3101e | 3357 | |
2e0fef85 | 3358 | lpfc_nlp_init(vport, ndlp, did); |
dea3101e | 3359 | newnode = 1; |
3360 | if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { | |
3361 | ndlp->nlp_type |= NLP_FABRIC; | |
3362 | } | |
2e0fef85 | 3363 | lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); |
dea3101e | 3364 | } |
3365 | ||
3366 | phba->fc_stat.elsRcvFrame++; | |
329f9bc7 JS |
3367 | if (elsiocb->context1) |
3368 | lpfc_nlp_put(elsiocb->context1); | |
3369 | elsiocb->context1 = lpfc_nlp_get(ndlp); | |
dea3101e | 3370 | elsiocb->context2 = mp; |
2e0fef85 | 3371 | elsiocb->vport = vport; |
dea3101e | 3372 | |
3373 | if ((cmd & ELS_CMD_MASK) == ELS_CMD_RSCN) { | |
3374 | cmd &= ELS_CMD_MASK; | |
3375 | } | |
3376 | /* ELS command <elsCmd> received from NPORT <did> */ | |
3377 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
3378 | "%d:0112 ELS command x%x received from NPORT x%x " | |
2e0fef85 | 3379 | "Data: x%x\n", phba->brd_no, cmd, did, |
ed957684 | 3380 | vport->port_state); |
dea3101e | 3381 | |
3382 | switch (cmd) { | |
3383 | case ELS_CMD_PLOGI: | |
3384 | phba->fc_stat.elsRcvPLOGI++; | |
2e0fef85 | 3385 | if (vport->port_state < LPFC_DISC_AUTH) { |
1f679caf | 3386 | rjt_err = 1; |
dea3101e | 3387 | break; |
3388 | } | |
92795650 | 3389 | ndlp = lpfc_plogi_confirm_nport(phba, mp, ndlp); |
2e0fef85 JS |
3390 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
3391 | NLP_EVT_RCV_PLOGI); | |
dea3101e | 3392 | break; |
3393 | case ELS_CMD_FLOGI: | |
3394 | phba->fc_stat.elsRcvFLOGI++; | |
2e0fef85 | 3395 | lpfc_els_rcv_flogi(vport, elsiocb, ndlp, newnode); |
de0c5b32 | 3396 | if (newnode) |
2e0fef85 | 3397 | lpfc_drop_node(vport, ndlp); |
dea3101e | 3398 | break; |
3399 | case ELS_CMD_LOGO: | |
3400 | phba->fc_stat.elsRcvLOGO++; | |
2e0fef85 | 3401 | if (vport->port_state < LPFC_DISC_AUTH) { |
1f679caf | 3402 | rjt_err = 1; |
dea3101e | 3403 | break; |
3404 | } | |
2e0fef85 | 3405 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_LOGO); |
dea3101e | 3406 | break; |
3407 | case ELS_CMD_PRLO: | |
3408 | phba->fc_stat.elsRcvPRLO++; | |
2e0fef85 | 3409 | if (vport->port_state < LPFC_DISC_AUTH) { |
1f679caf | 3410 | rjt_err = 1; |
dea3101e | 3411 | break; |
3412 | } | |
2e0fef85 | 3413 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO); |
dea3101e | 3414 | break; |
3415 | case ELS_CMD_RSCN: | |
3416 | phba->fc_stat.elsRcvRSCN++; | |
2e0fef85 | 3417 | lpfc_els_rcv_rscn(vport, elsiocb, ndlp, newnode); |
de0c5b32 | 3418 | if (newnode) |
2e0fef85 | 3419 | lpfc_drop_node(vport, ndlp); |
dea3101e | 3420 | break; |
3421 | case ELS_CMD_ADISC: | |
3422 | phba->fc_stat.elsRcvADISC++; | |
2e0fef85 | 3423 | if (vport->port_state < LPFC_DISC_AUTH) { |
1f679caf | 3424 | rjt_err = 1; |
dea3101e | 3425 | break; |
3426 | } | |
2e0fef85 JS |
3427 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
3428 | NLP_EVT_RCV_ADISC); | |
dea3101e | 3429 | break; |
3430 | case ELS_CMD_PDISC: | |
3431 | phba->fc_stat.elsRcvPDISC++; | |
2e0fef85 | 3432 | if (vport->port_state < LPFC_DISC_AUTH) { |
1f679caf | 3433 | rjt_err = 1; |
dea3101e | 3434 | break; |
3435 | } | |
2e0fef85 JS |
3436 | lpfc_disc_state_machine(vport, ndlp, elsiocb, |
3437 | NLP_EVT_RCV_PDISC); | |
dea3101e | 3438 | break; |
3439 | case ELS_CMD_FARPR: | |
3440 | phba->fc_stat.elsRcvFARPR++; | |
2e0fef85 | 3441 | lpfc_els_rcv_farpr(vport, elsiocb, ndlp); |
dea3101e | 3442 | break; |
3443 | case ELS_CMD_FARP: | |
3444 | phba->fc_stat.elsRcvFARP++; | |
2e0fef85 | 3445 | lpfc_els_rcv_farp(vport, elsiocb, ndlp); |
dea3101e | 3446 | break; |
3447 | case ELS_CMD_FAN: | |
3448 | phba->fc_stat.elsRcvFAN++; | |
2e0fef85 | 3449 | lpfc_els_rcv_fan(vport, elsiocb, ndlp); |
dea3101e | 3450 | break; |
dea3101e | 3451 | case ELS_CMD_PRLI: |
3452 | phba->fc_stat.elsRcvPRLI++; | |
2e0fef85 | 3453 | if (vport->port_state < LPFC_DISC_AUTH) { |
1f679caf | 3454 | rjt_err = 1; |
dea3101e | 3455 | break; |
3456 | } | |
2e0fef85 | 3457 | lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI); |
dea3101e | 3458 | break; |
7bb3b137 JW |
3459 | case ELS_CMD_LIRR: |
3460 | phba->fc_stat.elsRcvLIRR++; | |
2e0fef85 | 3461 | lpfc_els_rcv_lirr(vport, elsiocb, ndlp); |
de0c5b32 | 3462 | if (newnode) |
2e0fef85 | 3463 | lpfc_drop_node(vport, ndlp); |
7bb3b137 JW |
3464 | break; |
3465 | case ELS_CMD_RPS: | |
3466 | phba->fc_stat.elsRcvRPS++; | |
2e0fef85 | 3467 | lpfc_els_rcv_rps(vport, elsiocb, ndlp); |
de0c5b32 | 3468 | if (newnode) |
2e0fef85 | 3469 | lpfc_drop_node(vport, ndlp); |
7bb3b137 JW |
3470 | break; |
3471 | case ELS_CMD_RPL: | |
3472 | phba->fc_stat.elsRcvRPL++; | |
2e0fef85 | 3473 | lpfc_els_rcv_rpl(vport, elsiocb, ndlp); |
de0c5b32 | 3474 | if (newnode) |
2e0fef85 | 3475 | lpfc_drop_node(vport, ndlp); |
7bb3b137 | 3476 | break; |
dea3101e | 3477 | case ELS_CMD_RNID: |
3478 | phba->fc_stat.elsRcvRNID++; | |
2e0fef85 | 3479 | lpfc_els_rcv_rnid(vport, elsiocb, ndlp); |
de0c5b32 | 3480 | if (newnode) |
2e0fef85 | 3481 | lpfc_drop_node(vport, ndlp); |
dea3101e | 3482 | break; |
3483 | default: | |
3484 | /* Unsupported ELS command, reject */ | |
1f679caf | 3485 | rjt_err = 1; |
dea3101e | 3486 | |
3487 | /* Unknown ELS command <elsCmd> received from NPORT <did> */ | |
3488 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
ed957684 JS |
3489 | "%d:0115 Unknown ELS command x%x " |
3490 | "received from NPORT x%x\n", | |
3491 | phba->brd_no, cmd, did); | |
de0c5b32 | 3492 | if (newnode) |
2e0fef85 | 3493 | lpfc_drop_node(vport, ndlp); |
dea3101e | 3494 | break; |
3495 | } | |
3496 | ||
3497 | /* check if need to LS_RJT received ELS cmd */ | |
3498 | if (rjt_err) { | |
3499 | stat.un.b.lsRjtRsvd0 = 0; | |
3500 | stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; | |
1f679caf | 3501 | stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; |
dea3101e | 3502 | stat.un.b.vendorUnique = 0; |
2e0fef85 | 3503 | lpfc_els_rsp_reject(vport, stat.un.lsRjtError, elsiocb, ndlp); |
dea3101e | 3504 | } |
3505 | ||
ed957684 JS |
3506 | return; |
3507 | ||
3508 | dropit: | |
3509 | lpfc_printf_log(phba, KERN_ERR, LOG_ELS, | |
3510 | "%d:0111 Dropping received ELS cmd " | |
3511 | "Data: x%x x%x x%x\n", | |
3512 | phba->brd_no, | |
3513 | icmd->ulpStatus, icmd->un.ulpWord[4], | |
3514 | icmd->ulpTimeout); | |
3515 | phba->fc_stat.elsRcvDrop++; | |
3516 | } | |
3517 | ||
3518 | ||
3519 | void | |
3520 | lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3521 | struct lpfc_iocbq *elsiocb) | |
3522 | { | |
3523 | struct lpfc_vport *vport = phba->pport; | |
3524 | struct lpfc_dmabuf *mp = NULL; | |
3525 | IOCB_t *icmd = &elsiocb->iocb; | |
3526 | struct hbq_dmabuf *sp = NULL; | |
3527 | dma_addr_t paddr; | |
3528 | ||
3529 | if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
3530 | ((icmd->un.ulpWord[4] & 0xff) == IOERR_RCV_BUFFER_WAITING)) { | |
3531 | phba->fc_stat.NoRcvBuf++; | |
3532 | /* Not enough posted buffers; Try posting more buffers */ | |
3533 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) | |
3534 | lpfc_sli_hbqbuf_fill_hbq(phba); | |
3535 | else | |
3536 | lpfc_post_buffer(phba, pring, 0, 1); | |
3537 | return; | |
3538 | } | |
3539 | ||
3540 | /* If there are no BDEs associated with this IOCB, | |
3541 | * there is nothing to do. | |
3542 | */ | |
3543 | if (icmd->ulpBdeCount == 0) | |
3544 | return; | |
3545 | ||
3546 | /* type of ELS cmd is first 32bit word in packet */ | |
3547 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { | |
3548 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, | |
3549 | icmd->un.cont64[0].addrLow); | |
3550 | sp = lpfc_sli_hbqbuf_find(phba, icmd->un.ulpWord[3]); | |
3551 | if (sp) | |
3552 | phba->hbq_buff_count--; | |
3553 | mp = sp ? &sp->dbuf : NULL; | |
3554 | } else { | |
3555 | paddr = getPaddr(icmd->un.cont64[0].addrHigh, | |
3556 | icmd->un.cont64[0].addrLow); | |
3557 | mp = lpfc_sli_ringpostbuf_get(phba, pring, paddr); | |
3558 | } | |
3559 | ||
3560 | lpfc_els_unsol_buffer(phba, pring, vport, mp, elsiocb); | |
3561 | ||
329f9bc7 JS |
3562 | lpfc_nlp_put(elsiocb->context1); |
3563 | elsiocb->context1 = NULL; | |
dea3101e | 3564 | if (elsiocb->context2) { |
ed957684 JS |
3565 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) |
3566 | lpfc_sli_free_hbq(phba, sp); | |
3567 | else { | |
3568 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3569 | kfree(mp); | |
3570 | } | |
dea3101e | 3571 | } |
ed957684 JS |
3572 | |
3573 | /* RCV_ELS64_CX provide for 2 BDEs - process 2nd if included */ | |
3574 | if ((phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) != 0 && | |
3575 | icmd->ulpBdeCount == 2) { | |
3576 | sp = lpfc_sli_hbqbuf_find(phba, icmd->un.ulpWord[15]); | |
3577 | if (sp) | |
3578 | phba->hbq_buff_count--; | |
3579 | mp = sp ? &sp->dbuf : NULL; | |
3580 | lpfc_els_unsol_buffer(phba, pring, vport, mp, elsiocb); | |
3581 | /* free mp if we are done with it */ | |
3582 | if (elsiocb->context2) { | |
3583 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) | |
3584 | lpfc_sli_free_hbq(phba, sp); | |
3585 | else { | |
3586 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
3587 | kfree(mp); | |
3588 | } | |
3589 | } | |
dea3101e | 3590 | } |
dea3101e | 3591 | } |