Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * | |
3df3cc6d | 3 | * linux/drivers/s390/net/qeth_main.c ($Revision: 1.251 $) |
1da177e4 LT |
4 | * |
5 | * Linux on zSeries OSA Express and HiperSockets support | |
6 | * | |
7 | * Copyright 2000,2003 IBM Corporation | |
8 | * | |
9 | * Author(s): Original Code written by | |
10 | * Utz Bacher (utz.bacher@de.ibm.com) | |
11 | * Rewritten by | |
1387780f | 12 | * Frank Pavlic (fpavlic@de.ibm.com) and |
1da177e4 LT |
13 | * Thomas Spatzier <tspat@de.ibm.com> |
14 | * | |
3df3cc6d | 15 | * $Revision: 1.251 $ $Date: 2005/05/04 20:19:18 $ |
1da177e4 LT |
16 | * |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2, or (at your option) | |
20 | * any later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, | |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU General Public License | |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
30 | */ | |
31 | ||
1da177e4 LT |
32 | |
33 | #include <linux/config.h> | |
34 | #include <linux/module.h> | |
35 | #include <linux/moduleparam.h> | |
36 | #include <linux/string.h> | |
37 | #include <linux/errno.h> | |
38 | #include <linux/mm.h> | |
39 | #include <linux/ip.h> | |
40 | #include <linux/inetdevice.h> | |
41 | #include <linux/netdevice.h> | |
42 | #include <linux/sched.h> | |
43 | #include <linux/workqueue.h> | |
44 | #include <linux/kernel.h> | |
45 | #include <linux/slab.h> | |
46 | #include <linux/interrupt.h> | |
47 | #include <linux/tcp.h> | |
48 | #include <linux/icmp.h> | |
49 | #include <linux/skbuff.h> | |
50 | #include <linux/in.h> | |
51 | #include <linux/igmp.h> | |
52 | #include <linux/init.h> | |
53 | #include <linux/reboot.h> | |
54 | #include <linux/mii.h> | |
55 | #include <linux/rcupdate.h> | |
56 | #include <linux/ethtool.h> | |
57 | ||
58 | #include <net/arp.h> | |
59 | #include <net/ip.h> | |
60 | #include <net/route.h> | |
61 | ||
62 | #include <asm/ebcdic.h> | |
63 | #include <asm/io.h> | |
64 | #include <asm/qeth.h> | |
65 | #include <asm/timex.h> | |
66 | #include <asm/semaphore.h> | |
67 | #include <asm/uaccess.h> | |
cfb1b555 | 68 | #include <asm/s390_rdev.h> |
1da177e4 LT |
69 | |
70 | #include "qeth.h" | |
71 | #include "qeth_mpc.h" | |
72 | #include "qeth_fs.h" | |
73 | #include "qeth_eddp.h" | |
74 | #include "qeth_tso.h" | |
75 | ||
3df3cc6d | 76 | #define VERSION_QETH_C "$Revision: 1.251 $" |
1da177e4 LT |
77 | static const char *version = "qeth S/390 OSA-Express driver"; |
78 | ||
79 | /** | |
80 | * Debug Facility Stuff | |
81 | */ | |
82 | static debug_info_t *qeth_dbf_setup = NULL; | |
83 | static debug_info_t *qeth_dbf_data = NULL; | |
84 | static debug_info_t *qeth_dbf_misc = NULL; | |
85 | static debug_info_t *qeth_dbf_control = NULL; | |
86 | debug_info_t *qeth_dbf_trace = NULL; | |
87 | static debug_info_t *qeth_dbf_sense = NULL; | |
88 | static debug_info_t *qeth_dbf_qerr = NULL; | |
89 | ||
90 | DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf); | |
91 | ||
92 | /** | |
93 | * some more definitions and declarations | |
94 | */ | |
95 | static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY; | |
96 | ||
97 | /* list of our cards */ | |
98 | struct qeth_card_list_struct qeth_card_list; | |
99 | /*process list want to be notified*/ | |
100 | spinlock_t qeth_notify_lock; | |
101 | struct list_head qeth_notify_list; | |
102 | ||
103 | static void qeth_send_control_data_cb(struct qeth_channel *, | |
104 | struct qeth_cmd_buffer *); | |
105 | ||
106 | /** | |
107 | * here we go with function implementation | |
108 | */ | |
109 | static void | |
110 | qeth_init_qdio_info(struct qeth_card *card); | |
111 | ||
112 | static int | |
113 | qeth_init_qdio_queues(struct qeth_card *card); | |
114 | ||
115 | static int | |
116 | qeth_alloc_qdio_buffers(struct qeth_card *card); | |
117 | ||
118 | static void | |
119 | qeth_free_qdio_buffers(struct qeth_card *); | |
120 | ||
121 | static void | |
122 | qeth_clear_qdio_buffers(struct qeth_card *); | |
123 | ||
124 | static void | |
125 | qeth_clear_ip_list(struct qeth_card *, int, int); | |
126 | ||
127 | static void | |
128 | qeth_clear_ipacmd_list(struct qeth_card *); | |
129 | ||
130 | static int | |
131 | qeth_qdio_clear_card(struct qeth_card *, int); | |
132 | ||
133 | static void | |
134 | qeth_clear_working_pool_list(struct qeth_card *); | |
135 | ||
136 | static void | |
137 | qeth_clear_cmd_buffers(struct qeth_channel *); | |
138 | ||
139 | static int | |
140 | qeth_stop(struct net_device *); | |
141 | ||
142 | static void | |
143 | qeth_clear_ipato_list(struct qeth_card *); | |
144 | ||
145 | static int | |
146 | qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *); | |
147 | ||
148 | static void | |
149 | qeth_irq_tasklet(unsigned long); | |
150 | ||
151 | static int | |
152 | qeth_set_online(struct ccwgroup_device *); | |
153 | ||
05e08a2a FP |
154 | static int |
155 | __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode); | |
156 | ||
1da177e4 LT |
157 | static struct qeth_ipaddr * |
158 | qeth_get_addr_buffer(enum qeth_prot_versions); | |
159 | ||
160 | static void | |
161 | qeth_set_multicast_list(struct net_device *); | |
162 | ||
6c951b90 FP |
163 | static void |
164 | qeth_setadp_promisc_mode(struct qeth_card *); | |
165 | ||
1da177e4 LT |
166 | static void |
167 | qeth_notify_processes(void) | |
168 | { | |
169 | /*notify all registered processes */ | |
170 | struct qeth_notify_list_struct *n_entry; | |
171 | ||
172 | QETH_DBF_TEXT(trace,3,"procnoti"); | |
173 | spin_lock(&qeth_notify_lock); | |
174 | list_for_each_entry(n_entry, &qeth_notify_list, list) { | |
175 | send_sig(n_entry->signum, n_entry->task, 1); | |
176 | } | |
177 | spin_unlock(&qeth_notify_lock); | |
178 | ||
179 | } | |
180 | int | |
181 | qeth_notifier_unregister(struct task_struct *p) | |
182 | { | |
183 | struct qeth_notify_list_struct *n_entry, *tmp; | |
184 | ||
185 | QETH_DBF_TEXT(trace, 2, "notunreg"); | |
186 | spin_lock(&qeth_notify_lock); | |
187 | list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) { | |
188 | if (n_entry->task == p) { | |
189 | list_del(&n_entry->list); | |
190 | kfree(n_entry); | |
191 | goto out; | |
192 | } | |
193 | } | |
194 | out: | |
195 | spin_unlock(&qeth_notify_lock); | |
196 | return 0; | |
197 | } | |
198 | int | |
199 | qeth_notifier_register(struct task_struct *p, int signum) | |
200 | { | |
201 | struct qeth_notify_list_struct *n_entry; | |
202 | ||
1da177e4 LT |
203 | /*check first if entry already exists*/ |
204 | spin_lock(&qeth_notify_lock); | |
205 | list_for_each_entry(n_entry, &qeth_notify_list, list) { | |
206 | if (n_entry->task == p) { | |
207 | n_entry->signum = signum; | |
208 | spin_unlock(&qeth_notify_lock); | |
209 | return 0; | |
210 | } | |
211 | } | |
212 | spin_unlock(&qeth_notify_lock); | |
213 | ||
214 | n_entry = (struct qeth_notify_list_struct *) | |
215 | kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL); | |
216 | if (!n_entry) | |
217 | return -ENOMEM; | |
218 | n_entry->task = p; | |
219 | n_entry->signum = signum; | |
220 | spin_lock(&qeth_notify_lock); | |
221 | list_add(&n_entry->list,&qeth_notify_list); | |
222 | spin_unlock(&qeth_notify_lock); | |
223 | return 0; | |
224 | } | |
225 | ||
226 | ||
227 | /** | |
228 | * free channel command buffers | |
229 | */ | |
230 | static void | |
231 | qeth_clean_channel(struct qeth_channel *channel) | |
232 | { | |
233 | int cnt; | |
234 | ||
235 | QETH_DBF_TEXT(setup, 2, "freech"); | |
236 | for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) | |
237 | kfree(channel->iob[cnt].data); | |
238 | } | |
239 | ||
240 | /** | |
241 | * free card | |
242 | */ | |
243 | static void | |
244 | qeth_free_card(struct qeth_card *card) | |
245 | { | |
246 | ||
247 | QETH_DBF_TEXT(setup, 2, "freecrd"); | |
248 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
249 | qeth_clean_channel(&card->read); | |
250 | qeth_clean_channel(&card->write); | |
251 | if (card->dev) | |
252 | free_netdev(card->dev); | |
253 | qeth_clear_ip_list(card, 0, 0); | |
254 | qeth_clear_ipato_list(card); | |
255 | kfree(card->ip_tbd_list); | |
256 | qeth_free_qdio_buffers(card); | |
257 | kfree(card); | |
258 | } | |
259 | ||
260 | /** | |
261 | * alloc memory for command buffer per channel | |
262 | */ | |
263 | static int | |
264 | qeth_setup_channel(struct qeth_channel *channel) | |
265 | { | |
266 | int cnt; | |
267 | ||
268 | QETH_DBF_TEXT(setup, 2, "setupch"); | |
269 | for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) { | |
270 | channel->iob[cnt].data = (char *) | |
271 | kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL); | |
272 | if (channel->iob[cnt].data == NULL) | |
273 | break; | |
274 | channel->iob[cnt].state = BUF_STATE_FREE; | |
275 | channel->iob[cnt].channel = channel; | |
276 | channel->iob[cnt].callback = qeth_send_control_data_cb; | |
277 | channel->iob[cnt].rc = 0; | |
278 | } | |
279 | if (cnt < QETH_CMD_BUFFER_NO) { | |
280 | while (cnt-- > 0) | |
281 | kfree(channel->iob[cnt].data); | |
282 | return -ENOMEM; | |
283 | } | |
284 | channel->buf_no = 0; | |
285 | channel->io_buf_no = 0; | |
286 | atomic_set(&channel->irq_pending, 0); | |
287 | spin_lock_init(&channel->iob_lock); | |
288 | ||
289 | init_waitqueue_head(&channel->wait_q); | |
290 | channel->irq_tasklet.data = (unsigned long) channel; | |
291 | channel->irq_tasklet.func = qeth_irq_tasklet; | |
292 | return 0; | |
293 | } | |
294 | ||
295 | /** | |
296 | * alloc memory for card structure | |
297 | */ | |
298 | static struct qeth_card * | |
299 | qeth_alloc_card(void) | |
300 | { | |
301 | struct qeth_card *card; | |
302 | ||
303 | QETH_DBF_TEXT(setup, 2, "alloccrd"); | |
304 | card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card), | |
305 | GFP_DMA|GFP_KERNEL); | |
306 | if (!card) | |
307 | return NULL; | |
308 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
309 | memset(card, 0, sizeof(struct qeth_card)); | |
310 | if (qeth_setup_channel(&card->read)) { | |
311 | kfree(card); | |
312 | return NULL; | |
313 | } | |
314 | if (qeth_setup_channel(&card->write)) { | |
315 | qeth_clean_channel(&card->read); | |
316 | kfree(card); | |
317 | return NULL; | |
318 | } | |
319 | return card; | |
320 | } | |
321 | ||
322 | static long | |
323 | __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb) | |
324 | { | |
325 | if (!IS_ERR(irb)) | |
326 | return 0; | |
327 | ||
328 | switch (PTR_ERR(irb)) { | |
329 | case -EIO: | |
330 | PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id); | |
331 | QETH_DBF_TEXT(trace, 2, "ckirberr"); | |
332 | QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO); | |
333 | break; | |
334 | case -ETIMEDOUT: | |
335 | PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id); | |
336 | QETH_DBF_TEXT(trace, 2, "ckirberr"); | |
337 | QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT); | |
338 | break; | |
339 | default: | |
340 | PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb), | |
341 | cdev->dev.bus_id); | |
342 | QETH_DBF_TEXT(trace, 2, "ckirberr"); | |
343 | QETH_DBF_TEXT(trace, 2, " rc???"); | |
344 | } | |
345 | return PTR_ERR(irb); | |
346 | } | |
347 | ||
348 | static int | |
349 | qeth_get_problem(struct ccw_device *cdev, struct irb *irb) | |
350 | { | |
351 | int dstat,cstat; | |
352 | char *sense; | |
353 | ||
354 | sense = (char *) irb->ecw; | |
355 | cstat = irb->scsw.cstat; | |
356 | dstat = irb->scsw.dstat; | |
357 | ||
358 | if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK | | |
359 | SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK | | |
360 | SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) { | |
361 | QETH_DBF_TEXT(trace,2, "CGENCHK"); | |
362 | PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ", | |
363 | cdev->dev.bus_id, dstat, cstat); | |
364 | HEXDUMP16(WARN, "irb: ", irb); | |
365 | HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32); | |
366 | return 1; | |
367 | } | |
368 | ||
369 | if (dstat & DEV_STAT_UNIT_CHECK) { | |
370 | if (sense[SENSE_RESETTING_EVENT_BYTE] & | |
371 | SENSE_RESETTING_EVENT_FLAG) { | |
372 | QETH_DBF_TEXT(trace,2,"REVIND"); | |
373 | return 1; | |
374 | } | |
375 | if (sense[SENSE_COMMAND_REJECT_BYTE] & | |
376 | SENSE_COMMAND_REJECT_FLAG) { | |
377 | QETH_DBF_TEXT(trace,2,"CMDREJi"); | |
378 | return 0; | |
379 | } | |
380 | if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) { | |
381 | QETH_DBF_TEXT(trace,2,"AFFE"); | |
382 | return 1; | |
383 | } | |
384 | if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) { | |
385 | QETH_DBF_TEXT(trace,2,"ZEROSEN"); | |
386 | return 0; | |
387 | } | |
388 | QETH_DBF_TEXT(trace,2,"DGENCHK"); | |
389 | return 1; | |
390 | } | |
391 | return 0; | |
392 | } | |
393 | static int qeth_issue_next_read(struct qeth_card *); | |
394 | ||
395 | /** | |
396 | * interrupt handler | |
397 | */ | |
398 | static void | |
399 | qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) | |
400 | { | |
401 | int rc; | |
402 | int cstat,dstat; | |
403 | struct qeth_cmd_buffer *buffer; | |
404 | struct qeth_channel *channel; | |
405 | struct qeth_card *card; | |
406 | ||
407 | QETH_DBF_TEXT(trace,5,"irq"); | |
408 | ||
409 | if (__qeth_check_irb_error(cdev, irb)) | |
410 | return; | |
411 | cstat = irb->scsw.cstat; | |
412 | dstat = irb->scsw.dstat; | |
413 | ||
414 | card = CARD_FROM_CDEV(cdev); | |
415 | if (!card) | |
416 | return; | |
417 | ||
418 | if (card->read.ccwdev == cdev){ | |
419 | channel = &card->read; | |
420 | QETH_DBF_TEXT(trace,5,"read"); | |
421 | } else if (card->write.ccwdev == cdev) { | |
422 | channel = &card->write; | |
423 | QETH_DBF_TEXT(trace,5,"write"); | |
424 | } else { | |
425 | channel = &card->data; | |
426 | QETH_DBF_TEXT(trace,5,"data"); | |
427 | } | |
428 | atomic_set(&channel->irq_pending, 0); | |
429 | ||
430 | if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC)) | |
431 | channel->state = CH_STATE_STOPPED; | |
432 | ||
433 | if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC)) | |
434 | channel->state = CH_STATE_HALTED; | |
435 | ||
436 | /*let's wake up immediately on data channel*/ | |
437 | if ((channel == &card->data) && (intparm != 0)) | |
438 | goto out; | |
439 | ||
440 | if (intparm == QETH_CLEAR_CHANNEL_PARM) { | |
441 | QETH_DBF_TEXT(trace, 6, "clrchpar"); | |
442 | /* we don't have to handle this further */ | |
443 | intparm = 0; | |
444 | } | |
445 | if (intparm == QETH_HALT_CHANNEL_PARM) { | |
446 | QETH_DBF_TEXT(trace, 6, "hltchpar"); | |
447 | /* we don't have to handle this further */ | |
448 | intparm = 0; | |
449 | } | |
450 | if ((dstat & DEV_STAT_UNIT_EXCEP) || | |
451 | (dstat & DEV_STAT_UNIT_CHECK) || | |
452 | (cstat)) { | |
453 | if (irb->esw.esw0.erw.cons) { | |
454 | /* TODO: we should make this s390dbf */ | |
455 | PRINT_WARN("sense data available on channel %s.\n", | |
456 | CHANNEL_ID(channel)); | |
457 | PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat); | |
458 | HEXDUMP16(WARN,"irb: ",irb); | |
459 | HEXDUMP16(WARN,"sense data: ",irb->ecw); | |
460 | } | |
461 | rc = qeth_get_problem(cdev,irb); | |
462 | if (rc) { | |
463 | qeth_schedule_recovery(card); | |
464 | goto out; | |
465 | } | |
466 | } | |
467 | ||
468 | if (intparm) { | |
469 | buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm); | |
470 | buffer->state = BUF_STATE_PROCESSED; | |
471 | } | |
472 | if (channel == &card->data) | |
473 | return; | |
474 | ||
475 | if (channel == &card->read && | |
476 | channel->state == CH_STATE_UP) | |
477 | qeth_issue_next_read(card); | |
478 | ||
479 | tasklet_schedule(&channel->irq_tasklet); | |
480 | return; | |
481 | out: | |
482 | wake_up(&card->wait_q); | |
483 | } | |
484 | ||
485 | /** | |
486 | * tasklet function scheduled from irq handler | |
487 | */ | |
488 | static void | |
489 | qeth_irq_tasklet(unsigned long data) | |
490 | { | |
491 | struct qeth_card *card; | |
492 | struct qeth_channel *channel; | |
493 | struct qeth_cmd_buffer *iob; | |
494 | __u8 index; | |
495 | ||
496 | QETH_DBF_TEXT(trace,5,"irqtlet"); | |
497 | channel = (struct qeth_channel *) data; | |
498 | iob = channel->iob; | |
499 | index = channel->buf_no; | |
500 | card = CARD_FROM_CDEV(channel->ccwdev); | |
501 | while (iob[index].state == BUF_STATE_PROCESSED) { | |
502 | if (iob[index].callback !=NULL) { | |
503 | iob[index].callback(channel,iob + index); | |
504 | } | |
505 | index = (index + 1) % QETH_CMD_BUFFER_NO; | |
506 | } | |
507 | channel->buf_no = index; | |
508 | wake_up(&card->wait_q); | |
509 | } | |
510 | ||
05e08a2a | 511 | static int qeth_stop_card(struct qeth_card *, int); |
1da177e4 LT |
512 | |
513 | static int | |
05e08a2a | 514 | __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode) |
1da177e4 LT |
515 | { |
516 | struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; | |
9123e0d7 | 517 | int rc = 0, rc2 = 0, rc3 = 0; |
1da177e4 LT |
518 | enum qeth_card_states recover_flag; |
519 | ||
520 | QETH_DBF_TEXT(setup, 3, "setoffl"); | |
521 | QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); | |
4965e97f FP |
522 | |
523 | netif_carrier_off(card->dev); | |
1da177e4 | 524 | recover_flag = card->state; |
05e08a2a | 525 | if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){ |
1da177e4 LT |
526 | PRINT_WARN("Stopping card %s interrupted by user!\n", |
527 | CARD_BUS_ID(card)); | |
528 | return -ERESTARTSYS; | |
529 | } | |
9123e0d7 UB |
530 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
531 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
532 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
533 | if (!rc) | |
534 | rc = (rc2) ? rc2 : rc3; | |
535 | if (rc) | |
1da177e4 | 536 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); |
1da177e4 LT |
537 | if (recover_flag == CARD_STATE_UP) |
538 | card->state = CARD_STATE_RECOVER; | |
539 | qeth_notify_processes(); | |
540 | return 0; | |
541 | } | |
542 | ||
05e08a2a FP |
543 | static int |
544 | qeth_set_offline(struct ccwgroup_device *cgdev) | |
545 | { | |
546 | return __qeth_set_offline(cgdev, 0); | |
547 | } | |
548 | ||
1da177e4 LT |
549 | static int |
550 | qeth_wait_for_threads(struct qeth_card *card, unsigned long threads); | |
551 | ||
552 | ||
553 | static void | |
554 | qeth_remove_device(struct ccwgroup_device *cgdev) | |
555 | { | |
556 | struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; | |
557 | unsigned long flags; | |
558 | ||
559 | QETH_DBF_TEXT(setup, 3, "rmdev"); | |
560 | QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); | |
561 | ||
562 | if (!card) | |
563 | return; | |
564 | ||
565 | if (qeth_wait_for_threads(card, 0xffffffff)) | |
566 | return; | |
567 | ||
568 | if (cgdev->state == CCWGROUP_ONLINE){ | |
569 | card->use_hard_stop = 1; | |
570 | qeth_set_offline(cgdev); | |
571 | } | |
572 | /* remove form our internal list */ | |
573 | write_lock_irqsave(&qeth_card_list.rwlock, flags); | |
574 | list_del(&card->list); | |
575 | write_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
576 | if (card->dev) | |
577 | unregister_netdev(card->dev); | |
578 | qeth_remove_device_attributes(&cgdev->dev); | |
579 | qeth_free_card(card); | |
580 | cgdev->dev.driver_data = NULL; | |
581 | put_device(&cgdev->dev); | |
582 | } | |
583 | ||
584 | static int | |
585 | qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *); | |
586 | static int | |
587 | qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *); | |
588 | ||
589 | /** | |
590 | * Add/remove address to/from card's ip list, i.e. try to add or remove | |
591 | * reference to/from an IP address that is already registered on the card. | |
592 | * Returns: | |
593 | * 0 address was on card and its reference count has been adjusted, | |
594 | * but is still > 0, so nothing has to be done | |
595 | * also returns 0 if card was not on card and the todo was to delete | |
596 | * the address -> there is also nothing to be done | |
597 | * 1 address was not on card and the todo is to add it to the card's ip | |
598 | * list | |
599 | * -1 address was on card and its reference count has been decremented | |
600 | * to <= 0 by the todo -> address must be removed from card | |
601 | */ | |
602 | static int | |
603 | __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo, | |
604 | struct qeth_ipaddr **__addr) | |
605 | { | |
606 | struct qeth_ipaddr *addr; | |
607 | int found = 0; | |
608 | ||
609 | list_for_each_entry(addr, &card->ip_list, entry) { | |
6c88ad2d FP |
610 | if (card->options.layer2) { |
611 | if ((addr->type == todo->type) && | |
612 | (memcmp(&addr->mac, &todo->mac, | |
613 | OSA_ADDR_LEN) == 0)) { | |
614 | found = 1; | |
615 | break; | |
616 | } | |
617 | continue; | |
618 | } | |
1da177e4 LT |
619 | if ((addr->proto == QETH_PROT_IPV4) && |
620 | (todo->proto == QETH_PROT_IPV4) && | |
621 | (addr->type == todo->type) && | |
622 | (addr->u.a4.addr == todo->u.a4.addr) && | |
6c88ad2d | 623 | (addr->u.a4.mask == todo->u.a4.mask)) { |
1da177e4 LT |
624 | found = 1; |
625 | break; | |
626 | } | |
627 | if ((addr->proto == QETH_PROT_IPV6) && | |
628 | (todo->proto == QETH_PROT_IPV6) && | |
629 | (addr->type == todo->type) && | |
630 | (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && | |
631 | (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, | |
6c88ad2d | 632 | sizeof(struct in6_addr)) == 0)) { |
1da177e4 LT |
633 | found = 1; |
634 | break; | |
635 | } | |
636 | } | |
6c88ad2d | 637 | if (found) { |
1da177e4 LT |
638 | addr->users += todo->users; |
639 | if (addr->users <= 0){ | |
640 | *__addr = addr; | |
641 | return -1; | |
642 | } else { | |
643 | /* for VIPA and RXIP limit refcount to 1 */ | |
644 | if (addr->type != QETH_IP_TYPE_NORMAL) | |
645 | addr->users = 1; | |
646 | return 0; | |
647 | } | |
648 | } | |
6c88ad2d | 649 | if (todo->users > 0) { |
1da177e4 LT |
650 | /* for VIPA and RXIP limit refcount to 1 */ |
651 | if (todo->type != QETH_IP_TYPE_NORMAL) | |
652 | todo->users = 1; | |
653 | return 1; | |
654 | } else | |
655 | return 0; | |
656 | } | |
657 | ||
658 | static inline int | |
659 | __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr, | |
660 | int same_type) | |
661 | { | |
662 | struct qeth_ipaddr *tmp; | |
663 | ||
664 | list_for_each_entry(tmp, list, entry) { | |
665 | if ((tmp->proto == QETH_PROT_IPV4) && | |
666 | (addr->proto == QETH_PROT_IPV4) && | |
667 | ((same_type && (tmp->type == addr->type)) || | |
668 | (!same_type && (tmp->type != addr->type)) ) && | |
669 | (tmp->u.a4.addr == addr->u.a4.addr) ){ | |
670 | return 1; | |
671 | } | |
672 | if ((tmp->proto == QETH_PROT_IPV6) && | |
673 | (addr->proto == QETH_PROT_IPV6) && | |
674 | ((same_type && (tmp->type == addr->type)) || | |
675 | (!same_type && (tmp->type != addr->type)) ) && | |
676 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
677 | sizeof(struct in6_addr)) == 0) ) { | |
678 | return 1; | |
679 | } | |
680 | } | |
681 | return 0; | |
682 | } | |
683 | ||
684 | /* | |
685 | * Add IP to be added to todo list. If there is already an "add todo" | |
686 | * in this list we just incremenent the reference count. | |
687 | * Returns 0 if we just incremented reference count. | |
688 | */ | |
689 | static int | |
690 | __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add) | |
691 | { | |
692 | struct qeth_ipaddr *tmp, *t; | |
693 | int found = 0; | |
694 | ||
695 | list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { | |
696 | if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && | |
697 | (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) | |
698 | return 0; | |
6c88ad2d FP |
699 | if (card->options.layer2) { |
700 | if ((tmp->type == addr->type) && | |
701 | (tmp->is_multicast == addr->is_multicast) && | |
702 | (memcmp(&tmp->mac, &addr->mac, | |
703 | OSA_ADDR_LEN) == 0)) { | |
704 | found = 1; | |
705 | break; | |
706 | } | |
707 | continue; | |
708 | } | |
1da177e4 LT |
709 | if ((tmp->proto == QETH_PROT_IPV4) && |
710 | (addr->proto == QETH_PROT_IPV4) && | |
711 | (tmp->type == addr->type) && | |
712 | (tmp->is_multicast == addr->is_multicast) && | |
713 | (tmp->u.a4.addr == addr->u.a4.addr) && | |
6c88ad2d | 714 | (tmp->u.a4.mask == addr->u.a4.mask)) { |
1da177e4 LT |
715 | found = 1; |
716 | break; | |
717 | } | |
718 | if ((tmp->proto == QETH_PROT_IPV6) && | |
719 | (addr->proto == QETH_PROT_IPV6) && | |
720 | (tmp->type == addr->type) && | |
721 | (tmp->is_multicast == addr->is_multicast) && | |
722 | (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && | |
723 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
6c88ad2d | 724 | sizeof(struct in6_addr)) == 0)) { |
1da177e4 LT |
725 | found = 1; |
726 | break; | |
727 | } | |
728 | } | |
729 | if (found){ | |
730 | if (addr->users != 0) | |
731 | tmp->users += addr->users; | |
732 | else | |
733 | tmp->users += add? 1:-1; | |
6c88ad2d | 734 | if (tmp->users == 0) { |
1da177e4 LT |
735 | list_del(&tmp->entry); |
736 | kfree(tmp); | |
737 | } | |
738 | return 0; | |
739 | } else { | |
740 | if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) | |
741 | list_add(&addr->entry, card->ip_tbd_list); | |
742 | else { | |
743 | if (addr->users == 0) | |
744 | addr->users += add? 1:-1; | |
745 | if (add && (addr->type == QETH_IP_TYPE_NORMAL) && | |
746 | qeth_is_addr_covered_by_ipato(card, addr)){ | |
747 | QETH_DBF_TEXT(trace, 2, "tkovaddr"); | |
748 | addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; | |
749 | } | |
750 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
751 | } | |
752 | return 1; | |
753 | } | |
754 | } | |
755 | ||
756 | /** | |
757 | * Remove IP address from list | |
758 | */ | |
759 | static int | |
760 | qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) | |
761 | { | |
762 | unsigned long flags; | |
763 | int rc = 0; | |
764 | ||
6c88ad2d FP |
765 | QETH_DBF_TEXT(trace, 4, "delip"); |
766 | ||
767 | if (card->options.layer2) | |
768 | QETH_DBF_HEX(trace, 4, &addr->mac, 6); | |
769 | else if (addr->proto == QETH_PROT_IPV4) | |
770 | QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4); | |
1da177e4 | 771 | else { |
6c88ad2d FP |
772 | QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8); |
773 | QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
1da177e4 LT |
774 | } |
775 | spin_lock_irqsave(&card->ip_lock, flags); | |
776 | rc = __qeth_insert_ip_todo(card, addr, 0); | |
777 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
778 | return rc; | |
779 | } | |
780 | ||
781 | static int | |
782 | qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) | |
783 | { | |
784 | unsigned long flags; | |
785 | int rc = 0; | |
786 | ||
6c88ad2d FP |
787 | QETH_DBF_TEXT(trace, 4, "addip"); |
788 | if (card->options.layer2) | |
789 | QETH_DBF_HEX(trace, 4, &addr->mac, 6); | |
790 | else if (addr->proto == QETH_PROT_IPV4) | |
791 | QETH_DBF_HEX(trace, 4, &addr->u.a4.addr, 4); | |
1da177e4 | 792 | else { |
6c88ad2d FP |
793 | QETH_DBF_HEX(trace, 4, &addr->u.a6.addr, 8); |
794 | QETH_DBF_HEX(trace, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
1da177e4 LT |
795 | } |
796 | spin_lock_irqsave(&card->ip_lock, flags); | |
797 | rc = __qeth_insert_ip_todo(card, addr, 1); | |
798 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
799 | return rc; | |
800 | } | |
801 | ||
802 | static inline void | |
803 | __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags) | |
804 | { | |
805 | struct qeth_ipaddr *addr, *tmp; | |
806 | int rc; | |
d805d7c6 | 807 | again: |
1da177e4 LT |
808 | list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { |
809 | if (addr->is_multicast) { | |
810 | spin_unlock_irqrestore(&card->ip_lock, *flags); | |
811 | rc = qeth_deregister_addr_entry(card, addr); | |
812 | spin_lock_irqsave(&card->ip_lock, *flags); | |
813 | if (!rc) { | |
814 | list_del(&addr->entry); | |
815 | kfree(addr); | |
d805d7c6 | 816 | goto again; |
1da177e4 LT |
817 | } |
818 | } | |
819 | } | |
820 | } | |
821 | ||
822 | static void | |
823 | qeth_set_ip_addr_list(struct qeth_card *card) | |
824 | { | |
825 | struct list_head *tbd_list; | |
826 | struct qeth_ipaddr *todo, *addr; | |
827 | unsigned long flags; | |
828 | int rc; | |
829 | ||
830 | QETH_DBF_TEXT(trace, 2, "sdiplist"); | |
831 | QETH_DBF_HEX(trace, 2, &card, sizeof(void *)); | |
832 | ||
833 | spin_lock_irqsave(&card->ip_lock, flags); | |
834 | tbd_list = card->ip_tbd_list; | |
835 | card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); | |
836 | if (!card->ip_tbd_list) { | |
837 | QETH_DBF_TEXT(trace, 0, "silnomem"); | |
838 | card->ip_tbd_list = tbd_list; | |
839 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
840 | return; | |
841 | } else | |
842 | INIT_LIST_HEAD(card->ip_tbd_list); | |
843 | ||
844 | while (!list_empty(tbd_list)){ | |
845 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); | |
846 | list_del(&todo->entry); | |
847 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){ | |
848 | __qeth_delete_all_mc(card, &flags); | |
849 | kfree(todo); | |
850 | continue; | |
851 | } | |
852 | rc = __qeth_ref_ip_on_card(card, todo, &addr); | |
853 | if (rc == 0) { | |
854 | /* nothing to be done; only adjusted refcount */ | |
855 | kfree(todo); | |
856 | } else if (rc == 1) { | |
857 | /* new entry to be added to on-card list */ | |
858 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
859 | rc = qeth_register_addr_entry(card, todo); | |
860 | spin_lock_irqsave(&card->ip_lock, flags); | |
861 | if (!rc) | |
862 | list_add_tail(&todo->entry, &card->ip_list); | |
863 | else | |
864 | kfree(todo); | |
865 | } else if (rc == -1) { | |
866 | /* on-card entry to be removed */ | |
867 | list_del_init(&addr->entry); | |
868 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
869 | rc = qeth_deregister_addr_entry(card, addr); | |
870 | spin_lock_irqsave(&card->ip_lock, flags); | |
871 | if (!rc) | |
872 | kfree(addr); | |
873 | else | |
874 | list_add_tail(&addr->entry, &card->ip_list); | |
875 | kfree(todo); | |
876 | } | |
877 | } | |
878 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
879 | kfree(tbd_list); | |
880 | } | |
881 | ||
882 | static void qeth_delete_mc_addresses(struct qeth_card *); | |
883 | static void qeth_add_multicast_ipv4(struct qeth_card *); | |
6c88ad2d | 884 | static void qeth_layer2_add_multicast(struct qeth_card *); |
1da177e4 LT |
885 | #ifdef CONFIG_QETH_IPV6 |
886 | static void qeth_add_multicast_ipv6(struct qeth_card *); | |
887 | #endif | |
888 | ||
889 | static inline int | |
890 | qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread) | |
891 | { | |
892 | unsigned long flags; | |
893 | ||
894 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
895 | if ( !(card->thread_allowed_mask & thread) || | |
896 | (card->thread_start_mask & thread) ) { | |
897 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
898 | return -EPERM; | |
899 | } | |
900 | card->thread_start_mask |= thread; | |
901 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
902 | return 0; | |
903 | } | |
904 | ||
905 | static void | |
906 | qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread) | |
907 | { | |
908 | unsigned long flags; | |
909 | ||
910 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
911 | card->thread_start_mask &= ~thread; | |
912 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
913 | wake_up(&card->wait_q); | |
914 | } | |
915 | ||
916 | static void | |
917 | qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) | |
918 | { | |
919 | unsigned long flags; | |
920 | ||
921 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
922 | card->thread_running_mask &= ~thread; | |
923 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
924 | wake_up(&card->wait_q); | |
925 | } | |
926 | ||
927 | static inline int | |
928 | __qeth_do_run_thread(struct qeth_card *card, unsigned long thread) | |
929 | { | |
930 | unsigned long flags; | |
931 | int rc = 0; | |
932 | ||
933 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
934 | if (card->thread_start_mask & thread){ | |
935 | if ((card->thread_allowed_mask & thread) && | |
936 | !(card->thread_running_mask & thread)){ | |
937 | rc = 1; | |
938 | card->thread_start_mask &= ~thread; | |
939 | card->thread_running_mask |= thread; | |
940 | } else | |
941 | rc = -EPERM; | |
942 | } | |
943 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
944 | return rc; | |
945 | } | |
946 | ||
947 | static int | |
948 | qeth_do_run_thread(struct qeth_card *card, unsigned long thread) | |
949 | { | |
950 | int rc = 0; | |
951 | ||
952 | wait_event(card->wait_q, | |
953 | (rc = __qeth_do_run_thread(card, thread)) >= 0); | |
954 | return rc; | |
955 | } | |
956 | ||
957 | static int | |
958 | qeth_register_ip_addresses(void *ptr) | |
959 | { | |
960 | struct qeth_card *card; | |
961 | ||
962 | card = (struct qeth_card *) ptr; | |
963 | daemonize("qeth_reg_ip"); | |
964 | QETH_DBF_TEXT(trace,4,"regipth1"); | |
965 | if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD)) | |
966 | return 0; | |
967 | QETH_DBF_TEXT(trace,4,"regipth2"); | |
968 | qeth_set_ip_addr_list(card); | |
969 | qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD); | |
970 | return 0; | |
971 | } | |
972 | ||
6c951b90 FP |
973 | /* |
974 | * Drive the SET_PROMISC_MODE thread | |
975 | */ | |
976 | static int | |
977 | qeth_set_promisc_mode(void *ptr) | |
978 | { | |
979 | struct qeth_card *card = (struct qeth_card *) ptr; | |
980 | ||
981 | daemonize("qeth_setprm"); | |
982 | QETH_DBF_TEXT(trace,4,"setprm1"); | |
983 | if (!qeth_do_run_thread(card, QETH_SET_PROMISC_MODE_THREAD)) | |
984 | return 0; | |
985 | QETH_DBF_TEXT(trace,4,"setprm2"); | |
986 | qeth_setadp_promisc_mode(card); | |
987 | qeth_clear_thread_running_bit(card, QETH_SET_PROMISC_MODE_THREAD); | |
988 | return 0; | |
989 | } | |
990 | ||
1da177e4 LT |
991 | static int |
992 | qeth_recover(void *ptr) | |
993 | { | |
994 | struct qeth_card *card; | |
995 | int rc = 0; | |
996 | ||
997 | card = (struct qeth_card *) ptr; | |
998 | daemonize("qeth_recover"); | |
999 | QETH_DBF_TEXT(trace,2,"recover1"); | |
1000 | QETH_DBF_HEX(trace, 2, &card, sizeof(void *)); | |
1001 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) | |
1002 | return 0; | |
1003 | QETH_DBF_TEXT(trace,2,"recover2"); | |
1004 | PRINT_WARN("Recovery of device %s started ...\n", | |
1005 | CARD_BUS_ID(card)); | |
1006 | card->use_hard_stop = 1; | |
05e08a2a FP |
1007 | __qeth_set_offline(card->gdev,1); |
1008 | rc = __qeth_set_online(card->gdev,1); | |
1da177e4 LT |
1009 | if (!rc) |
1010 | PRINT_INFO("Device %s successfully recovered!\n", | |
1011 | CARD_BUS_ID(card)); | |
1012 | else | |
1013 | PRINT_INFO("Device %s could not be recovered!\n", | |
1014 | CARD_BUS_ID(card)); | |
1015 | /* don't run another scheduled recovery */ | |
1016 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); | |
1017 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | void | |
1022 | qeth_schedule_recovery(struct qeth_card *card) | |
1023 | { | |
1024 | QETH_DBF_TEXT(trace,2,"startrec"); | |
1da177e4 LT |
1025 | if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0) |
1026 | schedule_work(&card->kernel_thread_starter); | |
1027 | } | |
1028 | ||
1029 | static int | |
1030 | qeth_do_start_thread(struct qeth_card *card, unsigned long thread) | |
1031 | { | |
1032 | unsigned long flags; | |
1033 | int rc = 0; | |
1034 | ||
1035 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
1036 | QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x", | |
1037 | (u8) card->thread_start_mask, | |
1038 | (u8) card->thread_allowed_mask, | |
1039 | (u8) card->thread_running_mask); | |
1040 | rc = (card->thread_start_mask & thread); | |
1041 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
1042 | return rc; | |
1043 | } | |
1044 | ||
1045 | static void | |
1046 | qeth_start_kernel_thread(struct qeth_card *card) | |
1047 | { | |
1048 | QETH_DBF_TEXT(trace , 2, "strthrd"); | |
1049 | ||
1050 | if (card->read.state != CH_STATE_UP && | |
1051 | card->write.state != CH_STATE_UP) | |
1052 | return; | |
1053 | ||
1054 | if (qeth_do_start_thread(card, QETH_SET_IP_THREAD)) | |
1055 | kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD); | |
6c951b90 FP |
1056 | if (qeth_do_start_thread(card, QETH_SET_PROMISC_MODE_THREAD)) |
1057 | kernel_thread(qeth_set_promisc_mode, (void *)card, SIGCHLD); | |
1da177e4 LT |
1058 | if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) |
1059 | kernel_thread(qeth_recover, (void *) card, SIGCHLD); | |
1060 | } | |
1061 | ||
1062 | ||
1063 | static void | |
1064 | qeth_set_intial_options(struct qeth_card *card) | |
1065 | { | |
1066 | card->options.route4.type = NO_ROUTER; | |
1067 | #ifdef CONFIG_QETH_IPV6 | |
1068 | card->options.route6.type = NO_ROUTER; | |
1069 | #endif /* QETH_IPV6 */ | |
1070 | card->options.checksum_type = QETH_CHECKSUM_DEFAULT; | |
1071 | card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS; | |
1072 | card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL; | |
1073 | card->options.fake_broadcast = 0; | |
1074 | card->options.add_hhlen = DEFAULT_ADD_HHLEN; | |
1075 | card->options.fake_ll = 0; | |
500f83ab UB |
1076 | if (card->info.type == QETH_CARD_TYPE_OSN) |
1077 | card->options.layer2 = 1; | |
1078 | else | |
1079 | card->options.layer2 = 0; | |
1da177e4 LT |
1080 | } |
1081 | ||
1082 | /** | |
1083 | * initialize channels ,card and all state machines | |
1084 | */ | |
1085 | static int | |
1086 | qeth_setup_card(struct qeth_card *card) | |
1087 | { | |
1088 | ||
1089 | QETH_DBF_TEXT(setup, 2, "setupcrd"); | |
1090 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
1091 | ||
1092 | card->read.state = CH_STATE_DOWN; | |
1093 | card->write.state = CH_STATE_DOWN; | |
1094 | card->data.state = CH_STATE_DOWN; | |
1095 | card->state = CARD_STATE_DOWN; | |
1096 | card->lan_online = 0; | |
1097 | card->use_hard_stop = 0; | |
1098 | card->dev = NULL; | |
1099 | #ifdef CONFIG_QETH_VLAN | |
1100 | spin_lock_init(&card->vlanlock); | |
1101 | card->vlangrp = NULL; | |
1102 | #endif | |
9123e0d7 | 1103 | spin_lock_init(&card->lock); |
1da177e4 LT |
1104 | spin_lock_init(&card->ip_lock); |
1105 | spin_lock_init(&card->thread_mask_lock); | |
1106 | card->thread_start_mask = 0; | |
1107 | card->thread_allowed_mask = 0; | |
1108 | card->thread_running_mask = 0; | |
1109 | INIT_WORK(&card->kernel_thread_starter, | |
1110 | (void *)qeth_start_kernel_thread,card); | |
1111 | INIT_LIST_HEAD(&card->ip_list); | |
1112 | card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL); | |
1113 | if (!card->ip_tbd_list) { | |
1114 | QETH_DBF_TEXT(setup, 0, "iptbdnom"); | |
1115 | return -ENOMEM; | |
1116 | } | |
1117 | INIT_LIST_HEAD(card->ip_tbd_list); | |
1118 | INIT_LIST_HEAD(&card->cmd_waiter_list); | |
1119 | init_waitqueue_head(&card->wait_q); | |
1120 | /* intial options */ | |
1121 | qeth_set_intial_options(card); | |
1122 | /* IP address takeover */ | |
1123 | INIT_LIST_HEAD(&card->ipato.entries); | |
1124 | card->ipato.enabled = 0; | |
1125 | card->ipato.invert4 = 0; | |
1126 | card->ipato.invert6 = 0; | |
1127 | /* init QDIO stuff */ | |
1128 | qeth_init_qdio_info(card); | |
1129 | return 0; | |
1130 | } | |
1131 | ||
1132 | static int | |
1133 | is_1920_device (struct qeth_card *card) | |
1134 | { | |
1135 | int single_queue = 0; | |
1136 | struct ccw_device *ccwdev; | |
1137 | struct channelPath_dsc { | |
1138 | u8 flags; | |
1139 | u8 lsn; | |
1140 | u8 desc; | |
1141 | u8 chpid; | |
1142 | u8 swla; | |
1143 | u8 zeroes; | |
1144 | u8 chla; | |
1145 | u8 chpp; | |
1146 | } *chp_dsc; | |
1147 | ||
1148 | QETH_DBF_TEXT(setup, 2, "chk_1920"); | |
1149 | ||
1150 | ccwdev = card->data.ccwdev; | |
1151 | chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0); | |
1152 | if (chp_dsc != NULL) { | |
1153 | /* CHPP field bit 6 == 1 -> single queue */ | |
1154 | single_queue = ((chp_dsc->chpp & 0x02) == 0x02); | |
1155 | kfree(chp_dsc); | |
1156 | } | |
1157 | QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue); | |
1158 | return single_queue; | |
1159 | } | |
1160 | ||
1161 | static int | |
1162 | qeth_determine_card_type(struct qeth_card *card) | |
1163 | { | |
1164 | int i = 0; | |
1165 | ||
1166 | QETH_DBF_TEXT(setup, 2, "detcdtyp"); | |
1167 | ||
500f83ab UB |
1168 | card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; |
1169 | card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; | |
1da177e4 LT |
1170 | while (known_devices[i][4]) { |
1171 | if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) && | |
1172 | (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) { | |
1173 | card->info.type = known_devices[i][4]; | |
500f83ab UB |
1174 | card->qdio.no_out_queues = known_devices[i][8]; |
1175 | card->info.is_multicast_different = known_devices[i][9]; | |
1da177e4 LT |
1176 | if (is_1920_device(card)) { |
1177 | PRINT_INFO("Priority Queueing not able " | |
1178 | "due to hardware limitations!\n"); | |
1179 | card->qdio.no_out_queues = 1; | |
1180 | card->qdio.default_out_queue = 0; | |
500f83ab | 1181 | } |
1da177e4 LT |
1182 | return 0; |
1183 | } | |
1184 | i++; | |
1185 | } | |
1186 | card->info.type = QETH_CARD_TYPE_UNKNOWN; | |
1187 | PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card)); | |
1188 | return -ENOENT; | |
1189 | } | |
1190 | ||
1191 | static int | |
1192 | qeth_probe_device(struct ccwgroup_device *gdev) | |
1193 | { | |
1194 | struct qeth_card *card; | |
1195 | struct device *dev; | |
1196 | unsigned long flags; | |
1197 | int rc; | |
1198 | ||
1199 | QETH_DBF_TEXT(setup, 2, "probedev"); | |
1200 | ||
1201 | dev = &gdev->dev; | |
1202 | if (!get_device(dev)) | |
1203 | return -ENODEV; | |
1204 | ||
500f83ab UB |
1205 | QETH_DBF_TEXT_(setup, 2, "%s", gdev->dev.bus_id); |
1206 | ||
1da177e4 LT |
1207 | card = qeth_alloc_card(); |
1208 | if (!card) { | |
1209 | put_device(dev); | |
1210 | QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM); | |
1211 | return -ENOMEM; | |
1212 | } | |
1213 | card->read.ccwdev = gdev->cdev[0]; | |
1214 | card->write.ccwdev = gdev->cdev[1]; | |
1215 | card->data.ccwdev = gdev->cdev[2]; | |
1da177e4 LT |
1216 | gdev->dev.driver_data = card; |
1217 | card->gdev = gdev; | |
1218 | gdev->cdev[0]->handler = qeth_irq; | |
1219 | gdev->cdev[1]->handler = qeth_irq; | |
1220 | gdev->cdev[2]->handler = qeth_irq; | |
1221 | ||
500f83ab UB |
1222 | if ((rc = qeth_determine_card_type(card))){ |
1223 | PRINT_WARN("%s: not a valid card type\n", __func__); | |
1224 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
1225 | put_device(dev); | |
1226 | qeth_free_card(card); | |
1227 | return rc; | |
1228 | } | |
1229 | if ((rc = qeth_setup_card(card))){ | |
1230 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
1da177e4 LT |
1231 | put_device(dev); |
1232 | qeth_free_card(card); | |
1233 | return rc; | |
1234 | } | |
500f83ab UB |
1235 | rc = qeth_create_device_attributes(dev); |
1236 | if (rc) { | |
1da177e4 LT |
1237 | put_device(dev); |
1238 | qeth_free_card(card); | |
1239 | return rc; | |
1240 | } | |
1241 | /* insert into our internal list */ | |
1242 | write_lock_irqsave(&qeth_card_list.rwlock, flags); | |
1243 | list_add_tail(&card->list, &qeth_card_list.list); | |
1244 | write_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
1245 | return rc; | |
1246 | } | |
1247 | ||
1248 | ||
1249 | static int | |
1250 | qeth_get_unitaddr(struct qeth_card *card) | |
1251 | { | |
1252 | int length; | |
1253 | char *prcd; | |
1254 | int rc; | |
1255 | ||
1256 | QETH_DBF_TEXT(setup, 2, "getunit"); | |
1257 | rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length); | |
1258 | if (rc) { | |
1259 | PRINT_ERR("read_conf_data for device %s returned %i\n", | |
1260 | CARD_DDEV_ID(card), rc); | |
1261 | return rc; | |
1262 | } | |
1263 | card->info.chpid = prcd[30]; | |
1264 | card->info.unit_addr2 = prcd[31]; | |
1265 | card->info.cula = prcd[63]; | |
1266 | card->info.guestlan = ((prcd[0x10] == _ascebc['V']) && | |
1267 | (prcd[0x11] == _ascebc['M'])); | |
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static void | |
1272 | qeth_init_tokens(struct qeth_card *card) | |
1273 | { | |
1274 | card->token.issuer_rm_w = 0x00010103UL; | |
1275 | card->token.cm_filter_w = 0x00010108UL; | |
1276 | card->token.cm_connection_w = 0x0001010aUL; | |
1277 | card->token.ulp_filter_w = 0x0001010bUL; | |
1278 | card->token.ulp_connection_w = 0x0001010dUL; | |
1279 | } | |
1280 | ||
1281 | static inline __u16 | |
1282 | raw_devno_from_bus_id(char *id) | |
1283 | { | |
1284 | id += (strlen(id) - 4); | |
1285 | return (__u16) simple_strtoul(id, &id, 16); | |
1286 | } | |
1287 | /** | |
1288 | * setup channel | |
1289 | */ | |
1290 | static void | |
1291 | qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len) | |
1292 | { | |
1293 | struct qeth_card *card; | |
1294 | ||
1295 | QETH_DBF_TEXT(trace, 4, "setupccw"); | |
1296 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1297 | if (channel == &card->read) | |
1298 | memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); | |
1299 | else | |
1300 | memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); | |
1301 | channel->ccw.count = len; | |
1302 | channel->ccw.cda = (__u32) __pa(iob); | |
1303 | } | |
1304 | ||
1305 | /** | |
1306 | * get free buffer for ccws (IDX activation, lancmds,ipassists...) | |
1307 | */ | |
1308 | static struct qeth_cmd_buffer * | |
1309 | __qeth_get_buffer(struct qeth_channel *channel) | |
1310 | { | |
1311 | __u8 index; | |
1312 | ||
1313 | QETH_DBF_TEXT(trace, 6, "getbuff"); | |
1314 | index = channel->io_buf_no; | |
1315 | do { | |
1316 | if (channel->iob[index].state == BUF_STATE_FREE) { | |
1317 | channel->iob[index].state = BUF_STATE_LOCKED; | |
1318 | channel->io_buf_no = (channel->io_buf_no + 1) % | |
1319 | QETH_CMD_BUFFER_NO; | |
1320 | memset(channel->iob[index].data, 0, QETH_BUFSIZE); | |
1321 | return channel->iob + index; | |
1322 | } | |
1323 | index = (index + 1) % QETH_CMD_BUFFER_NO; | |
1324 | } while(index != channel->io_buf_no); | |
1325 | ||
1326 | return NULL; | |
1327 | } | |
1328 | ||
1329 | /** | |
1330 | * release command buffer | |
1331 | */ | |
1332 | static void | |
1333 | qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) | |
1334 | { | |
1335 | unsigned long flags; | |
1336 | ||
1337 | QETH_DBF_TEXT(trace, 6, "relbuff"); | |
1338 | spin_lock_irqsave(&channel->iob_lock, flags); | |
1339 | memset(iob->data, 0, QETH_BUFSIZE); | |
1340 | iob->state = BUF_STATE_FREE; | |
1341 | iob->callback = qeth_send_control_data_cb; | |
1342 | iob->rc = 0; | |
1343 | spin_unlock_irqrestore(&channel->iob_lock, flags); | |
1344 | } | |
1345 | ||
1346 | static struct qeth_cmd_buffer * | |
1347 | qeth_get_buffer(struct qeth_channel *channel) | |
1348 | { | |
1349 | struct qeth_cmd_buffer *buffer = NULL; | |
1350 | unsigned long flags; | |
1351 | ||
1352 | spin_lock_irqsave(&channel->iob_lock, flags); | |
1353 | buffer = __qeth_get_buffer(channel); | |
1354 | spin_unlock_irqrestore(&channel->iob_lock, flags); | |
1355 | return buffer; | |
1356 | } | |
1357 | ||
1358 | static struct qeth_cmd_buffer * | |
1359 | qeth_wait_for_buffer(struct qeth_channel *channel) | |
1360 | { | |
1361 | struct qeth_cmd_buffer *buffer; | |
1362 | wait_event(channel->wait_q, | |
1363 | ((buffer = qeth_get_buffer(channel)) != NULL)); | |
1364 | return buffer; | |
1365 | } | |
1366 | ||
1367 | static void | |
1368 | qeth_clear_cmd_buffers(struct qeth_channel *channel) | |
1369 | { | |
1370 | int cnt = 0; | |
1371 | ||
1372 | for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) | |
1373 | qeth_release_buffer(channel,&channel->iob[cnt]); | |
1374 | channel->buf_no = 0; | |
1375 | channel->io_buf_no = 0; | |
1376 | } | |
1377 | ||
1378 | /** | |
1379 | * start IDX for read and write channel | |
1380 | */ | |
1381 | static int | |
1382 | qeth_idx_activate_get_answer(struct qeth_channel *channel, | |
1383 | void (*idx_reply_cb)(struct qeth_channel *, | |
1384 | struct qeth_cmd_buffer *)) | |
1385 | { | |
1386 | struct qeth_cmd_buffer *iob; | |
1387 | unsigned long flags; | |
1388 | int rc; | |
1389 | struct qeth_card *card; | |
1390 | ||
1391 | QETH_DBF_TEXT(setup, 2, "idxanswr"); | |
1392 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1393 | iob = qeth_get_buffer(channel); | |
1394 | iob->callback = idx_reply_cb; | |
1395 | memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); | |
1396 | channel->ccw.count = QETH_BUFSIZE; | |
1397 | channel->ccw.cda = (__u32) __pa(iob->data); | |
1398 | ||
1399 | wait_event(card->wait_q, | |
973bd993 | 1400 | atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); |
1da177e4 LT |
1401 | QETH_DBF_TEXT(setup, 6, "noirqpnd"); |
1402 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
1403 | rc = ccw_device_start(channel->ccwdev, | |
1404 | &channel->ccw,(addr_t) iob, 0, 0); | |
1405 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1406 | ||
1407 | if (rc) { | |
1408 | PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc); | |
1409 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
1410 | atomic_set(&channel->irq_pending, 0); | |
1411 | wake_up(&card->wait_q); | |
1412 | return rc; | |
1413 | } | |
1414 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1415 | channel->state == CH_STATE_UP, QETH_TIMEOUT); | |
1416 | if (rc == -ERESTARTSYS) | |
1417 | return rc; | |
1418 | if (channel->state != CH_STATE_UP){ | |
1419 | rc = -ETIME; | |
1420 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
1421 | qeth_clear_cmd_buffers(channel); | |
1422 | } else | |
1423 | rc = 0; | |
1424 | return rc; | |
1425 | } | |
1426 | ||
1427 | static int | |
1428 | qeth_idx_activate_channel(struct qeth_channel *channel, | |
1429 | void (*idx_reply_cb)(struct qeth_channel *, | |
1430 | struct qeth_cmd_buffer *)) | |
1431 | { | |
1432 | struct qeth_card *card; | |
1433 | struct qeth_cmd_buffer *iob; | |
1434 | unsigned long flags; | |
1435 | __u16 temp; | |
1436 | int rc; | |
1437 | ||
1438 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1439 | ||
1440 | QETH_DBF_TEXT(setup, 2, "idxactch"); | |
1441 | ||
1442 | iob = qeth_get_buffer(channel); | |
1443 | iob->callback = idx_reply_cb; | |
1444 | memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); | |
1445 | channel->ccw.count = IDX_ACTIVATE_SIZE; | |
1446 | channel->ccw.cda = (__u32) __pa(iob->data); | |
1447 | if (channel == &card->write) { | |
1448 | memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE); | |
1449 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1450 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1451 | card->seqno.trans_hdr++; | |
1452 | } else { | |
1453 | memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE); | |
1454 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1455 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1456 | } | |
1457 | memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), | |
1458 | &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH); | |
1459 | memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data), | |
1460 | &card->info.func_level,sizeof(__u16)); | |
1461 | temp = raw_devno_from_bus_id(CARD_DDEV_ID(card)); | |
1462 | memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2); | |
1463 | temp = (card->info.cula << 8) + card->info.unit_addr2; | |
1464 | memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2); | |
1465 | ||
1466 | wait_event(card->wait_q, | |
973bd993 | 1467 | atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); |
1da177e4 LT |
1468 | QETH_DBF_TEXT(setup, 6, "noirqpnd"); |
1469 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
1470 | rc = ccw_device_start(channel->ccwdev, | |
1471 | &channel->ccw,(addr_t) iob, 0, 0); | |
1472 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1473 | ||
1474 | if (rc) { | |
1475 | PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc); | |
1476 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
1477 | atomic_set(&channel->irq_pending, 0); | |
1478 | wake_up(&card->wait_q); | |
1479 | return rc; | |
1480 | } | |
1481 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1482 | channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT); | |
1483 | if (rc == -ERESTARTSYS) | |
1484 | return rc; | |
1485 | if (channel->state != CH_STATE_ACTIVATING) { | |
1486 | PRINT_WARN("qeth: IDX activate timed out!\n"); | |
1487 | QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME); | |
1488 | qeth_clear_cmd_buffers(channel); | |
1489 | return -ETIME; | |
1490 | } | |
1491 | return qeth_idx_activate_get_answer(channel,idx_reply_cb); | |
1492 | } | |
1493 | ||
1494 | static int | |
1495 | qeth_peer_func_level(int level) | |
1496 | { | |
1497 | if ((level & 0xff) == 8) | |
1498 | return (level & 0xff) + 0x400; | |
1499 | if (((level >> 8) & 3) == 1) | |
1500 | return (level & 0xff) + 0x200; | |
1501 | return level; | |
1502 | } | |
1503 | ||
1504 | static void | |
1505 | qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) | |
1506 | { | |
1507 | struct qeth_card *card; | |
1508 | __u16 temp; | |
1509 | ||
1510 | QETH_DBF_TEXT(setup ,2, "idxwrcb"); | |
1511 | ||
1512 | if (channel->state == CH_STATE_DOWN) { | |
1513 | channel->state = CH_STATE_ACTIVATING; | |
1514 | goto out; | |
1515 | } | |
1516 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1517 | ||
1518 | if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { | |
1519 | PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative " | |
1520 | "reply\n", CARD_WDEV_ID(card)); | |
1521 | goto out; | |
1522 | } | |
1523 | memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); | |
1524 | if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) { | |
1525 | PRINT_WARN("IDX_ACTIVATE on write channel device %s: " | |
1526 | "function level mismatch " | |
1527 | "(sent: 0x%x, received: 0x%x)\n", | |
1528 | CARD_WDEV_ID(card), card->info.func_level, temp); | |
1529 | goto out; | |
1530 | } | |
1531 | channel->state = CH_STATE_UP; | |
1532 | out: | |
1533 | qeth_release_buffer(channel, iob); | |
1534 | } | |
1535 | ||
1536 | static int | |
1537 | qeth_check_idx_response(unsigned char *buffer) | |
1538 | { | |
1539 | if (!buffer) | |
1540 | return 0; | |
1541 | ||
1542 | QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN); | |
1543 | if ((buffer[2] & 0xc0) == 0xc0) { | |
1544 | PRINT_WARN("received an IDX TERMINATE " | |
1545 | "with cause code 0x%02x%s\n", | |
1546 | buffer[4], | |
1547 | ((buffer[4] == 0x22) ? | |
1548 | " -- try another portname" : "")); | |
1549 | QETH_DBF_TEXT(trace, 2, "ckidxres"); | |
1550 | QETH_DBF_TEXT(trace, 2, " idxterm"); | |
1551 | QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO); | |
1552 | return -EIO; | |
1553 | } | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | static void | |
1558 | qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) | |
1559 | { | |
1560 | struct qeth_card *card; | |
1561 | __u16 temp; | |
1562 | ||
1563 | QETH_DBF_TEXT(setup , 2, "idxrdcb"); | |
1564 | if (channel->state == CH_STATE_DOWN) { | |
1565 | channel->state = CH_STATE_ACTIVATING; | |
1566 | goto out; | |
1567 | } | |
1568 | ||
1569 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1570 | if (qeth_check_idx_response(iob->data)) { | |
1571 | goto out; | |
1572 | } | |
1573 | if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { | |
1574 | PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative " | |
1575 | "reply\n", CARD_RDEV_ID(card)); | |
1576 | goto out; | |
1577 | } | |
1578 | ||
1579 | /** | |
1580 | * temporary fix for microcode bug | |
1581 | * to revert it,replace OR by AND | |
1582 | */ | |
1583 | if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) || | |
1584 | (card->info.type == QETH_CARD_TYPE_OSAE) ) | |
1585 | card->info.portname_required = 1; | |
1586 | ||
1587 | memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); | |
1588 | if (temp != qeth_peer_func_level(card->info.func_level)) { | |
1589 | PRINT_WARN("IDX_ACTIVATE on read channel device %s: function " | |
1590 | "level mismatch (sent: 0x%x, received: 0x%x)\n", | |
1591 | CARD_RDEV_ID(card), card->info.func_level, temp); | |
1592 | goto out; | |
1593 | } | |
1594 | memcpy(&card->token.issuer_rm_r, | |
1595 | QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), | |
1596 | QETH_MPC_TOKEN_LENGTH); | |
1597 | memcpy(&card->info.mcl_level[0], | |
1598 | QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH); | |
1599 | channel->state = CH_STATE_UP; | |
1600 | out: | |
1601 | qeth_release_buffer(channel,iob); | |
1602 | } | |
1603 | ||
1604 | static int | |
1605 | qeth_issue_next_read(struct qeth_card *card) | |
1606 | { | |
1607 | int rc; | |
1608 | struct qeth_cmd_buffer *iob; | |
1609 | ||
1610 | QETH_DBF_TEXT(trace,5,"issnxrd"); | |
1611 | if (card->read.state != CH_STATE_UP) | |
1612 | return -EIO; | |
1613 | iob = qeth_get_buffer(&card->read); | |
1614 | if (!iob) { | |
1615 | PRINT_WARN("issue_next_read failed: no iob available!\n"); | |
1616 | return -ENOMEM; | |
1617 | } | |
1618 | qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE); | |
1619 | wait_event(card->wait_q, | |
973bd993 | 1620 | atomic_cmpxchg(&card->read.irq_pending, 0, 1) == 0); |
1da177e4 LT |
1621 | QETH_DBF_TEXT(trace, 6, "noirqpnd"); |
1622 | rc = ccw_device_start(card->read.ccwdev, &card->read.ccw, | |
1623 | (addr_t) iob, 0, 0); | |
1624 | if (rc) { | |
1625 | PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc); | |
1626 | atomic_set(&card->read.irq_pending, 0); | |
1627 | qeth_schedule_recovery(card); | |
1628 | wake_up(&card->wait_q); | |
1629 | } | |
1630 | return rc; | |
1631 | } | |
1632 | ||
1633 | static struct qeth_reply * | |
1634 | qeth_alloc_reply(struct qeth_card *card) | |
1635 | { | |
1636 | struct qeth_reply *reply; | |
1637 | ||
1638 | reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC); | |
1639 | if (reply){ | |
1640 | memset(reply, 0, sizeof(struct qeth_reply)); | |
1641 | atomic_set(&reply->refcnt, 1); | |
1642 | reply->card = card; | |
1643 | }; | |
1644 | return reply; | |
1645 | } | |
1646 | ||
1647 | static void | |
1648 | qeth_get_reply(struct qeth_reply *reply) | |
1649 | { | |
1650 | WARN_ON(atomic_read(&reply->refcnt) <= 0); | |
1651 | atomic_inc(&reply->refcnt); | |
1652 | } | |
1653 | ||
1654 | static void | |
1655 | qeth_put_reply(struct qeth_reply *reply) | |
1656 | { | |
1657 | WARN_ON(atomic_read(&reply->refcnt) <= 0); | |
1658 | if (atomic_dec_and_test(&reply->refcnt)) | |
1659 | kfree(reply); | |
1660 | } | |
1661 | ||
1662 | static void | |
1663 | qeth_cmd_timeout(unsigned long data) | |
1664 | { | |
1665 | struct qeth_reply *reply, *list_reply, *r; | |
1666 | unsigned long flags; | |
1667 | ||
1668 | reply = (struct qeth_reply *) data; | |
1669 | spin_lock_irqsave(&reply->card->lock, flags); | |
1670 | list_for_each_entry_safe(list_reply, r, | |
1671 | &reply->card->cmd_waiter_list, list) { | |
1672 | if (reply == list_reply){ | |
1673 | qeth_get_reply(reply); | |
1674 | list_del_init(&reply->list); | |
1675 | spin_unlock_irqrestore(&reply->card->lock, flags); | |
1676 | reply->rc = -ETIME; | |
1677 | reply->received = 1; | |
1678 | wake_up(&reply->wait_q); | |
1679 | qeth_put_reply(reply); | |
1680 | return; | |
1681 | } | |
1682 | } | |
1683 | spin_unlock_irqrestore(&reply->card->lock, flags); | |
1684 | } | |
1685 | ||
1da177e4 LT |
1686 | static struct qeth_ipa_cmd * |
1687 | qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) | |
1688 | { | |
1689 | struct qeth_ipa_cmd *cmd = NULL; | |
1690 | ||
1691 | QETH_DBF_TEXT(trace,5,"chkipad"); | |
1692 | if (IS_IPA(iob->data)){ | |
1693 | cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data); | |
1694 | if (IS_IPA_REPLY(cmd)) | |
1695 | return cmd; | |
1696 | else { | |
1697 | switch (cmd->hdr.command) { | |
1698 | case IPA_CMD_STOPLAN: | |
1699 | PRINT_WARN("Link failure on %s (CHPID 0x%X) - " | |
1700 | "there is a network problem or " | |
1701 | "someone pulled the cable or " | |
1702 | "disabled the port.\n", | |
1703 | QETH_CARD_IFNAME(card), | |
1704 | card->info.chpid); | |
1705 | card->lan_online = 0; | |
1706 | netif_carrier_off(card->dev); | |
1707 | return NULL; | |
1708 | case IPA_CMD_STARTLAN: | |
1709 | PRINT_INFO("Link reestablished on %s " | |
1710 | "(CHPID 0x%X). Scheduling " | |
1711 | "IP address reset.\n", | |
1712 | QETH_CARD_IFNAME(card), | |
1713 | card->info.chpid); | |
9123e0d7 | 1714 | qeth_schedule_recovery(card); |
1da177e4 | 1715 | return NULL; |
500f83ab UB |
1716 | case IPA_CMD_MODCCID: |
1717 | return cmd; | |
1da177e4 LT |
1718 | case IPA_CMD_REGISTER_LOCAL_ADDR: |
1719 | QETH_DBF_TEXT(trace,3, "irla"); | |
1720 | break; | |
1721 | case IPA_CMD_UNREGISTER_LOCAL_ADDR: | |
1722 | QETH_DBF_TEXT(trace,3, "urla"); | |
1723 | break; | |
1724 | default: | |
1725 | PRINT_WARN("Received data is IPA " | |
1726 | "but not a reply!\n"); | |
1727 | break; | |
1728 | } | |
1729 | } | |
1730 | } | |
1731 | return cmd; | |
1732 | } | |
1733 | ||
1734 | /** | |
1735 | * wake all waiting ipa commands | |
1736 | */ | |
1737 | static void | |
1738 | qeth_clear_ipacmd_list(struct qeth_card *card) | |
1739 | { | |
1740 | struct qeth_reply *reply, *r; | |
1741 | unsigned long flags; | |
1742 | ||
1743 | QETH_DBF_TEXT(trace, 4, "clipalst"); | |
1744 | ||
1745 | spin_lock_irqsave(&card->lock, flags); | |
1746 | list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { | |
1747 | qeth_get_reply(reply); | |
1748 | reply->rc = -EIO; | |
1749 | reply->received = 1; | |
1750 | list_del_init(&reply->list); | |
1751 | wake_up(&reply->wait_q); | |
1752 | qeth_put_reply(reply); | |
1753 | } | |
1754 | spin_unlock_irqrestore(&card->lock, flags); | |
1755 | } | |
1756 | ||
1757 | static void | |
1758 | qeth_send_control_data_cb(struct qeth_channel *channel, | |
1759 | struct qeth_cmd_buffer *iob) | |
1760 | { | |
1761 | struct qeth_card *card; | |
1762 | struct qeth_reply *reply, *r; | |
1763 | struct qeth_ipa_cmd *cmd; | |
1764 | unsigned long flags; | |
1765 | int keep_reply; | |
1766 | ||
1767 | QETH_DBF_TEXT(trace,4,"sndctlcb"); | |
1768 | ||
1769 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1770 | if (qeth_check_idx_response(iob->data)) { | |
1771 | qeth_clear_ipacmd_list(card); | |
1772 | qeth_schedule_recovery(card); | |
1773 | goto out; | |
1774 | } | |
1775 | ||
1776 | cmd = qeth_check_ipa_data(card, iob); | |
1777 | if ((cmd == NULL) && (card->state != CARD_STATE_DOWN)) | |
1778 | goto out; | |
500f83ab UB |
1779 | /*in case of OSN : check if cmd is set */ |
1780 | if (card->info.type == QETH_CARD_TYPE_OSN && | |
1781 | cmd && | |
1782 | cmd->hdr.command != IPA_CMD_STARTLAN && | |
1783 | card->osn_info.assist_cb != NULL) { | |
1784 | card->osn_info.assist_cb(card->dev, cmd); | |
1785 | goto out; | |
1786 | } | |
1da177e4 LT |
1787 | |
1788 | spin_lock_irqsave(&card->lock, flags); | |
1789 | list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { | |
1790 | if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) || | |
1791 | ((cmd) && (reply->seqno == cmd->hdr.seqno))) { | |
1792 | qeth_get_reply(reply); | |
1793 | list_del_init(&reply->list); | |
1794 | spin_unlock_irqrestore(&card->lock, flags); | |
1795 | keep_reply = 0; | |
1796 | if (reply->callback != NULL) { | |
1797 | if (cmd) { | |
1798 | reply->offset = (__u16)((char*)cmd - | |
1799 | (char *)iob->data); | |
1800 | keep_reply = reply->callback(card, | |
1801 | reply, | |
1802 | (unsigned long)cmd); | |
500f83ab | 1803 | } else |
1da177e4 LT |
1804 | keep_reply = reply->callback(card, |
1805 | reply, | |
1806 | (unsigned long)iob); | |
1807 | } | |
1808 | if (cmd) | |
1809 | reply->rc = (u16) cmd->hdr.return_code; | |
1810 | else if (iob->rc) | |
1811 | reply->rc = iob->rc; | |
1812 | if (keep_reply) { | |
1813 | spin_lock_irqsave(&card->lock, flags); | |
1814 | list_add_tail(&reply->list, | |
1815 | &card->cmd_waiter_list); | |
1816 | spin_unlock_irqrestore(&card->lock, flags); | |
1817 | } else { | |
1818 | reply->received = 1; | |
1819 | wake_up(&reply->wait_q); | |
1820 | } | |
1821 | qeth_put_reply(reply); | |
1822 | goto out; | |
1823 | } | |
1824 | } | |
1825 | spin_unlock_irqrestore(&card->lock, flags); | |
1826 | out: | |
1827 | memcpy(&card->seqno.pdu_hdr_ack, | |
1828 | QETH_PDU_HEADER_SEQ_NO(iob->data), | |
1829 | QETH_SEQ_NO_LENGTH); | |
1830 | qeth_release_buffer(channel,iob); | |
1831 | } | |
1832 | ||
500f83ab UB |
1833 | static inline void |
1834 | qeth_prepare_control_data(struct qeth_card *card, int len, | |
1835 | struct qeth_cmd_buffer *iob) | |
1836 | { | |
1837 | qeth_setup_ccw(&card->write,iob->data,len); | |
1838 | iob->callback = qeth_release_buffer; | |
1839 | ||
1840 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1841 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1842 | card->seqno.trans_hdr++; | |
1843 | memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data), | |
1844 | &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH); | |
1845 | card->seqno.pdu_hdr++; | |
1846 | memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data), | |
1847 | &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH); | |
1848 | QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN); | |
1849 | } | |
1850 | ||
1da177e4 LT |
1851 | static int |
1852 | qeth_send_control_data(struct qeth_card *card, int len, | |
1853 | struct qeth_cmd_buffer *iob, | |
1854 | int (*reply_cb) | |
1855 | (struct qeth_card *, struct qeth_reply*, unsigned long), | |
1856 | void *reply_param) | |
1857 | ||
1858 | { | |
1859 | int rc; | |
1860 | unsigned long flags; | |
500f83ab | 1861 | struct qeth_reply *reply = NULL; |
1da177e4 LT |
1862 | struct timer_list timer; |
1863 | ||
1864 | QETH_DBF_TEXT(trace, 2, "sendctl"); | |
1865 | ||
1da177e4 LT |
1866 | reply = qeth_alloc_reply(card); |
1867 | if (!reply) { | |
1868 | PRINT_WARN("Could no alloc qeth_reply!\n"); | |
1869 | return -ENOMEM; | |
1870 | } | |
1871 | reply->callback = reply_cb; | |
1872 | reply->param = reply_param; | |
1873 | if (card->state == CARD_STATE_DOWN) | |
1874 | reply->seqno = QETH_IDX_COMMAND_SEQNO; | |
1875 | else | |
1876 | reply->seqno = card->seqno.ipa++; | |
1877 | init_timer(&timer); | |
1878 | timer.function = qeth_cmd_timeout; | |
1879 | timer.data = (unsigned long) reply; | |
1da177e4 LT |
1880 | init_waitqueue_head(&reply->wait_q); |
1881 | spin_lock_irqsave(&card->lock, flags); | |
1882 | list_add_tail(&reply->list, &card->cmd_waiter_list); | |
1883 | spin_unlock_irqrestore(&card->lock, flags); | |
1884 | QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN); | |
1885 | wait_event(card->wait_q, | |
973bd993 | 1886 | atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); |
500f83ab UB |
1887 | qeth_prepare_control_data(card, len, iob); |
1888 | if (IS_IPA(iob->data)) | |
1889 | timer.expires = jiffies + QETH_IPA_TIMEOUT; | |
1890 | else | |
1891 | timer.expires = jiffies + QETH_TIMEOUT; | |
1da177e4 LT |
1892 | QETH_DBF_TEXT(trace, 6, "noirqpnd"); |
1893 | spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); | |
1894 | rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, | |
1895 | (addr_t) iob, 0, 0); | |
1896 | spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); | |
1897 | if (rc){ | |
1898 | PRINT_WARN("qeth_send_control_data: " | |
1899 | "ccw_device_start rc = %i\n", rc); | |
1900 | QETH_DBF_TEXT_(trace, 2, " err%d", rc); | |
1901 | spin_lock_irqsave(&card->lock, flags); | |
1902 | list_del_init(&reply->list); | |
1903 | qeth_put_reply(reply); | |
1904 | spin_unlock_irqrestore(&card->lock, flags); | |
1905 | qeth_release_buffer(iob->channel, iob); | |
1906 | atomic_set(&card->write.irq_pending, 0); | |
1907 | wake_up(&card->wait_q); | |
1908 | return rc; | |
1909 | } | |
1910 | add_timer(&timer); | |
1911 | wait_event(reply->wait_q, reply->received); | |
1912 | del_timer_sync(&timer); | |
1913 | rc = reply->rc; | |
1914 | qeth_put_reply(reply); | |
1915 | return rc; | |
1916 | } | |
1917 | ||
500f83ab UB |
1918 | static int |
1919 | qeth_osn_send_control_data(struct qeth_card *card, int len, | |
1920 | struct qeth_cmd_buffer *iob) | |
1921 | { | |
1922 | unsigned long flags; | |
1923 | int rc = 0; | |
1924 | ||
1925 | QETH_DBF_TEXT(trace, 5, "osndctrd"); | |
1926 | ||
1927 | wait_event(card->wait_q, | |
973bd993 | 1928 | atomic_cmpxchg(&card->write.irq_pending, 0, 1) == 0); |
500f83ab UB |
1929 | qeth_prepare_control_data(card, len, iob); |
1930 | QETH_DBF_TEXT(trace, 6, "osnoirqp"); | |
1931 | spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); | |
1932 | rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, | |
1933 | (addr_t) iob, 0, 0); | |
1934 | spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); | |
1935 | if (rc){ | |
1936 | PRINT_WARN("qeth_osn_send_control_data: " | |
1937 | "ccw_device_start rc = %i\n", rc); | |
1938 | QETH_DBF_TEXT_(trace, 2, " err%d", rc); | |
1939 | qeth_release_buffer(iob->channel, iob); | |
1940 | atomic_set(&card->write.irq_pending, 0); | |
1941 | wake_up(&card->wait_q); | |
1942 | } | |
1943 | return rc; | |
1944 | } | |
1945 | ||
1946 | static inline void | |
1947 | qeth_prepare_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
1948 | char prot_type) | |
1949 | { | |
1950 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
1951 | memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1); | |
1952 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
1953 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
1954 | } | |
1955 | ||
1956 | static int | |
1957 | qeth_osn_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
1958 | int data_len) | |
1959 | { | |
1960 | u16 s1, s2; | |
1961 | ||
4965e97f | 1962 | QETH_DBF_TEXT(trace,4,"osndipa"); |
500f83ab UB |
1963 | |
1964 | qeth_prepare_ipa_cmd(card, iob, QETH_PROT_OSN2); | |
1965 | s1 = (u16)(IPA_PDU_HEADER_SIZE + data_len); | |
1966 | s2 = (u16)data_len; | |
1967 | memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); | |
1968 | memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); | |
1969 | memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); | |
1970 | memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); | |
1971 | return qeth_osn_send_control_data(card, s1, iob); | |
1972 | } | |
1973 | ||
1da177e4 LT |
1974 | static int |
1975 | qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
1976 | int (*reply_cb) | |
1977 | (struct qeth_card *,struct qeth_reply*, unsigned long), | |
1978 | void *reply_param) | |
1979 | { | |
1980 | int rc; | |
1981 | char prot_type; | |
1982 | ||
1983 | QETH_DBF_TEXT(trace,4,"sendipa"); | |
1984 | ||
1da177e4 | 1985 | if (card->options.layer2) |
500f83ab UB |
1986 | if (card->info.type == QETH_CARD_TYPE_OSN) |
1987 | prot_type = QETH_PROT_OSN2; | |
1988 | else | |
1989 | prot_type = QETH_PROT_LAYER2; | |
1da177e4 LT |
1990 | else |
1991 | prot_type = QETH_PROT_TCPIP; | |
500f83ab | 1992 | qeth_prepare_ipa_cmd(card,iob,prot_type); |
1da177e4 LT |
1993 | rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob, |
1994 | reply_cb, reply_param); | |
1995 | return rc; | |
1996 | } | |
1997 | ||
1998 | ||
1999 | static int | |
2000 | qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2001 | unsigned long data) | |
2002 | { | |
2003 | struct qeth_cmd_buffer *iob; | |
2004 | ||
2005 | QETH_DBF_TEXT(setup, 2, "cmenblcb"); | |
2006 | ||
2007 | iob = (struct qeth_cmd_buffer *) data; | |
2008 | memcpy(&card->token.cm_filter_r, | |
2009 | QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data), | |
2010 | QETH_MPC_TOKEN_LENGTH); | |
2011 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
2012 | return 0; | |
2013 | } | |
2014 | ||
2015 | static int | |
2016 | qeth_cm_enable(struct qeth_card *card) | |
2017 | { | |
2018 | int rc; | |
2019 | struct qeth_cmd_buffer *iob; | |
2020 | ||
2021 | QETH_DBF_TEXT(setup,2,"cmenable"); | |
2022 | ||
2023 | iob = qeth_wait_for_buffer(&card->write); | |
2024 | memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE); | |
2025 | memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data), | |
2026 | &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); | |
2027 | memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data), | |
2028 | &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH); | |
2029 | ||
2030 | rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob, | |
2031 | qeth_cm_enable_cb, NULL); | |
2032 | return rc; | |
2033 | } | |
2034 | ||
2035 | static int | |
2036 | qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2037 | unsigned long data) | |
2038 | { | |
2039 | ||
2040 | struct qeth_cmd_buffer *iob; | |
2041 | ||
2042 | QETH_DBF_TEXT(setup, 2, "cmsetpcb"); | |
2043 | ||
2044 | iob = (struct qeth_cmd_buffer *) data; | |
2045 | memcpy(&card->token.cm_connection_r, | |
2046 | QETH_CM_SETUP_RESP_DEST_ADDR(iob->data), | |
2047 | QETH_MPC_TOKEN_LENGTH); | |
2048 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
2049 | return 0; | |
2050 | } | |
2051 | ||
2052 | static int | |
2053 | qeth_cm_setup(struct qeth_card *card) | |
2054 | { | |
2055 | int rc; | |
2056 | struct qeth_cmd_buffer *iob; | |
2057 | ||
2058 | QETH_DBF_TEXT(setup,2,"cmsetup"); | |
2059 | ||
2060 | iob = qeth_wait_for_buffer(&card->write); | |
2061 | memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE); | |
2062 | memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data), | |
2063 | &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); | |
2064 | memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data), | |
2065 | &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH); | |
2066 | memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data), | |
2067 | &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH); | |
2068 | rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob, | |
2069 | qeth_cm_setup_cb, NULL); | |
2070 | return rc; | |
2071 | ||
2072 | } | |
2073 | ||
2074 | static int | |
2075 | qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2076 | unsigned long data) | |
2077 | { | |
2078 | ||
2079 | __u16 mtu, framesize; | |
2080 | __u16 len; | |
2081 | __u8 link_type; | |
2082 | struct qeth_cmd_buffer *iob; | |
2083 | ||
2084 | QETH_DBF_TEXT(setup, 2, "ulpenacb"); | |
2085 | ||
2086 | iob = (struct qeth_cmd_buffer *) data; | |
2087 | memcpy(&card->token.ulp_filter_r, | |
2088 | QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data), | |
2089 | QETH_MPC_TOKEN_LENGTH); | |
2090 | if (qeth_get_mtu_out_of_mpc(card->info.type)) { | |
2091 | memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2); | |
2092 | mtu = qeth_get_mtu_outof_framesize(framesize); | |
2093 | if (!mtu) { | |
2094 | iob->rc = -EINVAL; | |
2095 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
2096 | return 0; | |
2097 | } | |
2098 | card->info.max_mtu = mtu; | |
2099 | card->info.initial_mtu = mtu; | |
2100 | card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE; | |
2101 | } else { | |
2102 | card->info.initial_mtu = qeth_get_initial_mtu_for_card(card); | |
2103 | card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type); | |
2104 | card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; | |
2105 | } | |
2106 | ||
2107 | memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2); | |
2108 | if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) { | |
2109 | memcpy(&link_type, | |
2110 | QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1); | |
2111 | card->info.link_type = link_type; | |
2112 | } else | |
2113 | card->info.link_type = 0; | |
2114 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
2115 | return 0; | |
2116 | } | |
2117 | ||
2118 | static int | |
2119 | qeth_ulp_enable(struct qeth_card *card) | |
2120 | { | |
2121 | int rc; | |
2122 | char prot_type; | |
2123 | struct qeth_cmd_buffer *iob; | |
2124 | ||
2125 | /*FIXME: trace view callbacks*/ | |
2126 | QETH_DBF_TEXT(setup,2,"ulpenabl"); | |
2127 | ||
2128 | iob = qeth_wait_for_buffer(&card->write); | |
2129 | memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE); | |
2130 | ||
2131 | *(QETH_ULP_ENABLE_LINKNUM(iob->data)) = | |
2132 | (__u8) card->info.portno; | |
2133 | if (card->options.layer2) | |
500f83ab UB |
2134 | if (card->info.type == QETH_CARD_TYPE_OSN) |
2135 | prot_type = QETH_PROT_OSN2; | |
2136 | else | |
2137 | prot_type = QETH_PROT_LAYER2; | |
1da177e4 LT |
2138 | else |
2139 | prot_type = QETH_PROT_TCPIP; | |
2140 | ||
2141 | memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1); | |
2142 | memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data), | |
2143 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2144 | memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data), | |
2145 | &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH); | |
2146 | memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data), | |
2147 | card->info.portname, 9); | |
2148 | rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob, | |
2149 | qeth_ulp_enable_cb, NULL); | |
2150 | return rc; | |
2151 | ||
2152 | } | |
2153 | ||
2154 | static inline __u16 | |
2155 | __raw_devno_from_bus_id(char *id) | |
2156 | { | |
2157 | id += (strlen(id) - 4); | |
2158 | return (__u16) simple_strtoul(id, &id, 16); | |
2159 | } | |
2160 | ||
2161 | static int | |
2162 | qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2163 | unsigned long data) | |
2164 | { | |
2165 | struct qeth_cmd_buffer *iob; | |
2166 | ||
2167 | QETH_DBF_TEXT(setup, 2, "ulpstpcb"); | |
2168 | ||
2169 | iob = (struct qeth_cmd_buffer *) data; | |
2170 | memcpy(&card->token.ulp_connection_r, | |
2171 | QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data), | |
2172 | QETH_MPC_TOKEN_LENGTH); | |
2173 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
2174 | return 0; | |
2175 | } | |
2176 | ||
2177 | static int | |
2178 | qeth_ulp_setup(struct qeth_card *card) | |
2179 | { | |
2180 | int rc; | |
2181 | __u16 temp; | |
2182 | struct qeth_cmd_buffer *iob; | |
2183 | ||
2184 | QETH_DBF_TEXT(setup,2,"ulpsetup"); | |
2185 | ||
2186 | iob = qeth_wait_for_buffer(&card->write); | |
2187 | memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE); | |
2188 | ||
2189 | memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data), | |
2190 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2191 | memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data), | |
2192 | &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH); | |
2193 | memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data), | |
2194 | &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH); | |
2195 | ||
2196 | temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card)); | |
2197 | memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2); | |
2198 | temp = (card->info.cula << 8) + card->info.unit_addr2; | |
2199 | memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2); | |
2200 | rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob, | |
2201 | qeth_ulp_setup_cb, NULL); | |
2202 | return rc; | |
2203 | } | |
2204 | ||
2205 | static inline int | |
6c6b3e7c FP |
2206 | qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error, |
2207 | unsigned int siga_error, const char *dbftext) | |
1da177e4 | 2208 | { |
1da177e4 | 2209 | if (qdio_error || siga_error) { |
6c6b3e7c FP |
2210 | QETH_DBF_TEXT(trace, 2, dbftext); |
2211 | QETH_DBF_TEXT(qerr, 2, dbftext); | |
1da177e4 | 2212 | QETH_DBF_TEXT_(qerr, 2, " F15=%02X", |
6c6b3e7c | 2213 | buf->element[15].flags & 0xff); |
1da177e4 | 2214 | QETH_DBF_TEXT_(qerr, 2, " F14=%02X", |
6c6b3e7c | 2215 | buf->element[14].flags & 0xff); |
1da177e4 LT |
2216 | QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error); |
2217 | QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error); | |
6c6b3e7c | 2218 | return 1; |
1da177e4 | 2219 | } |
6c6b3e7c | 2220 | return 0; |
1da177e4 LT |
2221 | } |
2222 | ||
2223 | static inline struct sk_buff * | |
500f83ab | 2224 | qeth_get_skb(unsigned int length, struct qeth_hdr *hdr) |
1da177e4 LT |
2225 | { |
2226 | struct sk_buff* skb; | |
500f83ab UB |
2227 | int add_len; |
2228 | ||
2229 | add_len = 0; | |
2230 | if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN) | |
2231 | add_len = sizeof(struct qeth_hdr); | |
1da177e4 | 2232 | #ifdef CONFIG_QETH_VLAN |
500f83ab UB |
2233 | else |
2234 | add_len = VLAN_HLEN; | |
1da177e4 | 2235 | #endif |
500f83ab UB |
2236 | skb = dev_alloc_skb(length + add_len); |
2237 | if (skb && add_len) | |
2238 | skb_reserve(skb, add_len); | |
1da177e4 LT |
2239 | return skb; |
2240 | } | |
2241 | ||
2242 | static inline struct sk_buff * | |
2243 | qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, | |
2244 | struct qdio_buffer_element **__element, int *__offset, | |
2245 | struct qeth_hdr **hdr) | |
2246 | { | |
2247 | struct qdio_buffer_element *element = *__element; | |
2248 | int offset = *__offset; | |
2249 | struct sk_buff *skb = NULL; | |
2250 | int skb_len; | |
2251 | void *data_ptr; | |
2252 | int data_len; | |
2253 | ||
2254 | QETH_DBF_TEXT(trace,6,"nextskb"); | |
2255 | /* qeth_hdr must not cross element boundaries */ | |
2256 | if (element->length < offset + sizeof(struct qeth_hdr)){ | |
2257 | if (qeth_is_last_sbale(element)) | |
2258 | return NULL; | |
2259 | element++; | |
2260 | offset = 0; | |
2261 | if (element->length < sizeof(struct qeth_hdr)) | |
2262 | return NULL; | |
2263 | } | |
2264 | *hdr = element->addr + offset; | |
2265 | ||
2266 | offset += sizeof(struct qeth_hdr); | |
2267 | if (card->options.layer2) | |
500f83ab UB |
2268 | if (card->info.type == QETH_CARD_TYPE_OSN) |
2269 | skb_len = (*hdr)->hdr.osn.pdu_length; | |
2270 | else | |
2271 | skb_len = (*hdr)->hdr.l2.pkt_length; | |
1da177e4 LT |
2272 | else |
2273 | skb_len = (*hdr)->hdr.l3.length; | |
2274 | ||
2275 | if (!skb_len) | |
2276 | return NULL; | |
2277 | if (card->options.fake_ll){ | |
e23dd9cd | 2278 | if(card->dev->type == ARPHRD_IEEE802_TR){ |
500f83ab | 2279 | if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR, *hdr))) |
e23dd9cd FP |
2280 | goto no_mem; |
2281 | skb_reserve(skb,QETH_FAKE_LL_LEN_TR); | |
2282 | } else { | |
500f83ab | 2283 | if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH, *hdr))) |
e23dd9cd FP |
2284 | goto no_mem; |
2285 | skb_reserve(skb,QETH_FAKE_LL_LEN_ETH); | |
2286 | } | |
500f83ab | 2287 | } else if (!(skb = qeth_get_skb(skb_len, *hdr))) |
1da177e4 LT |
2288 | goto no_mem; |
2289 | data_ptr = element->addr + offset; | |
2290 | while (skb_len) { | |
2291 | data_len = min(skb_len, (int)(element->length - offset)); | |
2292 | if (data_len) | |
2293 | memcpy(skb_put(skb, data_len), data_ptr, data_len); | |
2294 | skb_len -= data_len; | |
2295 | if (skb_len){ | |
2296 | if (qeth_is_last_sbale(element)){ | |
2297 | QETH_DBF_TEXT(trace,4,"unexeob"); | |
2298 | QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card)); | |
2299 | QETH_DBF_TEXT(qerr,2,"unexeob"); | |
2300 | QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card)); | |
2301 | QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer)); | |
2302 | dev_kfree_skb_any(skb); | |
2303 | card->stats.rx_errors++; | |
2304 | return NULL; | |
2305 | } | |
2306 | element++; | |
2307 | offset = 0; | |
2308 | data_ptr = element->addr; | |
2309 | } else { | |
2310 | offset += data_len; | |
2311 | } | |
2312 | } | |
2313 | *__element = element; | |
2314 | *__offset = offset; | |
2315 | return skb; | |
2316 | no_mem: | |
2317 | if (net_ratelimit()){ | |
2318 | PRINT_WARN("No memory for packet received on %s.\n", | |
2319 | QETH_CARD_IFNAME(card)); | |
2320 | QETH_DBF_TEXT(trace,2,"noskbmem"); | |
2321 | QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card)); | |
2322 | } | |
2323 | card->stats.rx_dropped++; | |
2324 | return NULL; | |
2325 | } | |
2326 | ||
ab611487 | 2327 | static inline __be16 |
1da177e4 LT |
2328 | qeth_type_trans(struct sk_buff *skb, struct net_device *dev) |
2329 | { | |
2330 | struct qeth_card *card; | |
2331 | struct ethhdr *eth; | |
2332 | ||
2333 | QETH_DBF_TEXT(trace,6,"typtrans"); | |
2334 | ||
2335 | card = (struct qeth_card *)dev->priv; | |
2336 | #ifdef CONFIG_TR | |
2337 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || | |
2338 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) | |
2339 | return tr_type_trans(skb,dev); | |
2340 | #endif /* CONFIG_TR */ | |
2341 | skb->mac.raw = skb->data; | |
2342 | skb_pull(skb, ETH_HLEN ); | |
2343 | eth = eth_hdr(skb); | |
2344 | ||
2345 | if (*eth->h_dest & 1) { | |
2346 | if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0) | |
2347 | skb->pkt_type = PACKET_BROADCAST; | |
2348 | else | |
2349 | skb->pkt_type = PACKET_MULTICAST; | |
2350 | } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN)) | |
2351 | skb->pkt_type = PACKET_OTHERHOST; | |
2352 | ||
2353 | if (ntohs(eth->h_proto) >= 1536) | |
2354 | return eth->h_proto; | |
2355 | if (*(unsigned short *) (skb->data) == 0xFFFF) | |
2356 | return htons(ETH_P_802_3); | |
2357 | return htons(ETH_P_802_2); | |
2358 | } | |
2359 | ||
2360 | static inline void | |
e23dd9cd FP |
2361 | qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb, |
2362 | struct qeth_hdr *hdr) | |
2363 | { | |
2364 | struct trh_hdr *fake_hdr; | |
2365 | struct trllc *fake_llc; | |
2366 | struct iphdr *ip_hdr; | |
2367 | ||
2368 | QETH_DBF_TEXT(trace,5,"skbfktr"); | |
2369 | skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR; | |
2370 | /* this is a fake ethernet header */ | |
2371 | fake_hdr = (struct trh_hdr *) skb->mac.raw; | |
2372 | ||
2373 | /* the destination MAC address */ | |
2374 | switch (skb->pkt_type){ | |
2375 | case PACKET_MULTICAST: | |
2376 | switch (skb->protocol){ | |
2377 | #ifdef CONFIG_QETH_IPV6 | |
2378 | case __constant_htons(ETH_P_IPV6): | |
2379 | ndisc_mc_map((struct in6_addr *) | |
2380 | skb->data + QETH_FAKE_LL_V6_ADDR_POS, | |
2381 | fake_hdr->daddr, card->dev, 0); | |
2382 | break; | |
2383 | #endif /* CONFIG_QETH_IPV6 */ | |
2384 | case __constant_htons(ETH_P_IP): | |
2385 | ip_hdr = (struct iphdr *)skb->data; | |
2386 | ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr); | |
2387 | break; | |
2388 | default: | |
2389 | memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); | |
2390 | } | |
2391 | break; | |
2392 | case PACKET_BROADCAST: | |
2393 | memset(fake_hdr->daddr, 0xff, TR_ALEN); | |
2394 | break; | |
2395 | default: | |
2396 | memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); | |
2397 | } | |
2398 | /* the source MAC address */ | |
2399 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) | |
2400 | memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN); | |
2401 | else | |
2402 | memset(fake_hdr->saddr, 0, TR_ALEN); | |
2403 | fake_hdr->rcf=0; | |
2404 | fake_llc = (struct trllc*)&(fake_hdr->rcf); | |
2405 | fake_llc->dsap = EXTENDED_SAP; | |
2406 | fake_llc->ssap = EXTENDED_SAP; | |
2407 | fake_llc->llc = UI_CMD; | |
2408 | fake_llc->protid[0] = 0; | |
2409 | fake_llc->protid[1] = 0; | |
2410 | fake_llc->protid[2] = 0; | |
2411 | fake_llc->ethertype = ETH_P_IP; | |
2412 | } | |
2413 | ||
2414 | static inline void | |
2415 | qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb, | |
1da177e4 LT |
2416 | struct qeth_hdr *hdr) |
2417 | { | |
2418 | struct ethhdr *fake_hdr; | |
2419 | struct iphdr *ip_hdr; | |
2420 | ||
e23dd9cd FP |
2421 | QETH_DBF_TEXT(trace,5,"skbfketh"); |
2422 | skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH; | |
1da177e4 LT |
2423 | /* this is a fake ethernet header */ |
2424 | fake_hdr = (struct ethhdr *) skb->mac.raw; | |
2425 | ||
2426 | /* the destination MAC address */ | |
2427 | switch (skb->pkt_type){ | |
2428 | case PACKET_MULTICAST: | |
2429 | switch (skb->protocol){ | |
2430 | #ifdef CONFIG_QETH_IPV6 | |
2431 | case __constant_htons(ETH_P_IPV6): | |
2432 | ndisc_mc_map((struct in6_addr *) | |
2433 | skb->data + QETH_FAKE_LL_V6_ADDR_POS, | |
2434 | fake_hdr->h_dest, card->dev, 0); | |
2435 | break; | |
2436 | #endif /* CONFIG_QETH_IPV6 */ | |
2437 | case __constant_htons(ETH_P_IP): | |
2438 | ip_hdr = (struct iphdr *)skb->data; | |
e23dd9cd | 2439 | ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest); |
1da177e4 LT |
2440 | break; |
2441 | default: | |
2442 | memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); | |
2443 | } | |
2444 | break; | |
2445 | case PACKET_BROADCAST: | |
2446 | memset(fake_hdr->h_dest, 0xff, ETH_ALEN); | |
2447 | break; | |
2448 | default: | |
2449 | memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); | |
2450 | } | |
2451 | /* the source MAC address */ | |
2452 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) | |
2453 | memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN); | |
2454 | else | |
2455 | memset(fake_hdr->h_source, 0, ETH_ALEN); | |
2456 | /* the protocol */ | |
2457 | fake_hdr->h_proto = skb->protocol; | |
2458 | } | |
2459 | ||
e23dd9cd FP |
2460 | static inline void |
2461 | qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, | |
2462 | struct qeth_hdr *hdr) | |
2463 | { | |
2464 | if (card->dev->type == ARPHRD_IEEE802_TR) | |
2465 | qeth_rebuild_skb_fake_ll_tr(card, skb, hdr); | |
2466 | else | |
2467 | qeth_rebuild_skb_fake_ll_eth(card, skb, hdr); | |
2468 | } | |
2469 | ||
1da177e4 LT |
2470 | static inline void |
2471 | qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb, | |
2472 | struct qeth_hdr *hdr) | |
2473 | { | |
2474 | #ifdef CONFIG_QETH_VLAN | |
2475 | u16 *vlan_tag; | |
2476 | ||
2477 | if (hdr->hdr.l3.ext_flags & | |
2478 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
2479 | vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN); | |
2480 | *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)? | |
2481 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); | |
2482 | *(vlan_tag + 1) = skb->protocol; | |
2483 | skb->protocol = __constant_htons(ETH_P_8021Q); | |
2484 | } | |
2485 | #endif /* CONFIG_QETH_VLAN */ | |
2486 | } | |
2487 | ||
2488 | static inline __u16 | |
2489 | qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, | |
2490 | struct qeth_hdr *hdr) | |
2491 | { | |
2492 | unsigned short vlan_id = 0; | |
2493 | #ifdef CONFIG_QETH_VLAN | |
2494 | struct vlan_hdr *vhdr; | |
2495 | #endif | |
2496 | ||
2497 | skb->pkt_type = PACKET_HOST; | |
2498 | skb->protocol = qeth_type_trans(skb, skb->dev); | |
2499 | if (card->options.checksum_type == NO_CHECKSUMMING) | |
2500 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
2501 | else | |
2502 | skb->ip_summed = CHECKSUM_NONE; | |
2503 | #ifdef CONFIG_QETH_VLAN | |
2504 | if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) { | |
2505 | vhdr = (struct vlan_hdr *) skb->data; | |
2506 | skb->protocol = | |
2507 | __constant_htons(vhdr->h_vlan_encapsulated_proto); | |
2508 | vlan_id = hdr->hdr.l2.vlan_id; | |
2509 | skb_pull(skb, VLAN_HLEN); | |
2510 | } | |
2511 | #endif | |
9123e0d7 | 2512 | *((__u32 *)skb->cb) = ++card->seqno.pkt_seqno; |
1da177e4 LT |
2513 | return vlan_id; |
2514 | } | |
2515 | ||
2516 | static inline void | |
2517 | qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, | |
2518 | struct qeth_hdr *hdr) | |
2519 | { | |
2520 | #ifdef CONFIG_QETH_IPV6 | |
2521 | if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) { | |
2522 | skb->pkt_type = PACKET_HOST; | |
2523 | skb->protocol = qeth_type_trans(skb, card->dev); | |
2524 | return; | |
2525 | } | |
2526 | #endif /* CONFIG_QETH_IPV6 */ | |
2527 | skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
2528 | ETH_P_IP); | |
2529 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){ | |
2530 | case QETH_CAST_UNICAST: | |
2531 | skb->pkt_type = PACKET_HOST; | |
2532 | break; | |
2533 | case QETH_CAST_MULTICAST: | |
2534 | skb->pkt_type = PACKET_MULTICAST; | |
2535 | card->stats.multicast++; | |
2536 | break; | |
2537 | case QETH_CAST_BROADCAST: | |
2538 | skb->pkt_type = PACKET_BROADCAST; | |
2539 | card->stats.multicast++; | |
2540 | break; | |
2541 | case QETH_CAST_ANYCAST: | |
2542 | case QETH_CAST_NOCAST: | |
2543 | default: | |
2544 | skb->pkt_type = PACKET_HOST; | |
2545 | } | |
2546 | qeth_rebuild_skb_vlan(card, skb, hdr); | |
2547 | if (card->options.fake_ll) | |
2548 | qeth_rebuild_skb_fake_ll(card, skb, hdr); | |
2549 | else | |
2550 | skb->mac.raw = skb->data; | |
2551 | skb->ip_summed = card->options.checksum_type; | |
2552 | if (card->options.checksum_type == HW_CHECKSUMMING){ | |
2553 | if ( (hdr->hdr.l3.ext_flags & | |
2554 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
2555 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
2556 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
2557 | QETH_HDR_EXT_CSUM_TRANSP_REQ) ) | |
2558 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
2559 | else | |
2560 | skb->ip_summed = SW_CHECKSUMMING; | |
2561 | } | |
2562 | } | |
2563 | ||
2564 | static inline void | |
2565 | qeth_process_inbound_buffer(struct qeth_card *card, | |
2566 | struct qeth_qdio_buffer *buf, int index) | |
2567 | { | |
2568 | struct qdio_buffer_element *element; | |
2569 | struct sk_buff *skb; | |
2570 | struct qeth_hdr *hdr; | |
2571 | int offset; | |
2572 | int rxrc; | |
2573 | __u16 vlan_tag = 0; | |
2574 | ||
2575 | /* get first element of current buffer */ | |
2576 | element = (struct qdio_buffer_element *)&buf->buffer->element[0]; | |
2577 | offset = 0; | |
2578 | #ifdef CONFIG_QETH_PERF_STATS | |
2579 | card->perf_stats.bufs_rec++; | |
2580 | #endif | |
2581 | while((skb = qeth_get_next_skb(card, buf->buffer, &element, | |
2582 | &offset, &hdr))) { | |
2583 | skb->dev = card->dev; | |
2584 | if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) | |
2585 | vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr); | |
500f83ab | 2586 | else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3) |
1da177e4 | 2587 | qeth_rebuild_skb(card, skb, hdr); |
500f83ab UB |
2588 | else { /*in case of OSN*/ |
2589 | skb_push(skb, sizeof(struct qeth_hdr)); | |
2590 | memcpy(skb->data, hdr, sizeof(struct qeth_hdr)); | |
2591 | } | |
1da177e4 LT |
2592 | /* is device UP ? */ |
2593 | if (!(card->dev->flags & IFF_UP)){ | |
2594 | dev_kfree_skb_any(skb); | |
2595 | continue; | |
2596 | } | |
2597 | #ifdef CONFIG_QETH_VLAN | |
2598 | if (vlan_tag) | |
2599 | vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag); | |
2600 | else | |
2601 | #endif | |
500f83ab UB |
2602 | if (card->info.type == QETH_CARD_TYPE_OSN) |
2603 | rxrc = card->osn_info.data_cb(skb); | |
2604 | else | |
2605 | rxrc = netif_rx(skb); | |
1da177e4 LT |
2606 | card->dev->last_rx = jiffies; |
2607 | card->stats.rx_packets++; | |
2608 | card->stats.rx_bytes += skb->len; | |
2609 | } | |
2610 | } | |
2611 | ||
2612 | static inline struct qeth_buffer_pool_entry * | |
2613 | qeth_get_buffer_pool_entry(struct qeth_card *card) | |
2614 | { | |
2615 | struct qeth_buffer_pool_entry *entry; | |
2616 | ||
2617 | QETH_DBF_TEXT(trace, 6, "gtbfplen"); | |
2618 | if (!list_empty(&card->qdio.in_buf_pool.entry_list)) { | |
2619 | entry = list_entry(card->qdio.in_buf_pool.entry_list.next, | |
2620 | struct qeth_buffer_pool_entry, list); | |
2621 | list_del_init(&entry->list); | |
2622 | return entry; | |
2623 | } | |
2624 | return NULL; | |
2625 | } | |
2626 | ||
2627 | static inline void | |
2628 | qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf) | |
2629 | { | |
2630 | struct qeth_buffer_pool_entry *pool_entry; | |
2631 | int i; | |
2632 | ||
2633 | pool_entry = qeth_get_buffer_pool_entry(card); | |
2634 | /* | |
2635 | * since the buffer is accessed only from the input_tasklet | |
2636 | * there shouldn't be a need to synchronize; also, since we use | |
2637 | * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off | |
2638 | * buffers | |
2639 | */ | |
2640 | BUG_ON(!pool_entry); | |
2641 | ||
2642 | buf->pool_entry = pool_entry; | |
2643 | for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ | |
2644 | buf->buffer->element[i].length = PAGE_SIZE; | |
2645 | buf->buffer->element[i].addr = pool_entry->elements[i]; | |
2646 | if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1) | |
2647 | buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY; | |
2648 | else | |
2649 | buf->buffer->element[i].flags = 0; | |
2650 | } | |
2651 | buf->state = QETH_QDIO_BUF_EMPTY; | |
2652 | } | |
2653 | ||
2654 | static inline void | |
2655 | qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, | |
2656 | struct qeth_qdio_out_buffer *buf) | |
2657 | { | |
2658 | int i; | |
2659 | struct sk_buff *skb; | |
2660 | ||
2661 | /* is PCI flag set on buffer? */ | |
2662 | if (buf->buffer->element[0].flags & 0x40) | |
2663 | atomic_dec(&queue->set_pci_flags_count); | |
2664 | ||
2665 | while ((skb = skb_dequeue(&buf->skb_list))){ | |
2666 | atomic_dec(&skb->users); | |
2667 | dev_kfree_skb_any(skb); | |
2668 | } | |
2669 | qeth_eddp_buf_release_contexts(buf); | |
2670 | for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){ | |
2671 | buf->buffer->element[i].length = 0; | |
2672 | buf->buffer->element[i].addr = NULL; | |
2673 | buf->buffer->element[i].flags = 0; | |
2674 | } | |
2675 | buf->next_element_to_fill = 0; | |
2676 | atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); | |
2677 | } | |
2678 | ||
2679 | static inline void | |
2680 | qeth_queue_input_buffer(struct qeth_card *card, int index) | |
2681 | { | |
2682 | struct qeth_qdio_q *queue = card->qdio.in_q; | |
2683 | int count; | |
2684 | int i; | |
2685 | int rc; | |
2686 | ||
2687 | QETH_DBF_TEXT(trace,6,"queinbuf"); | |
2688 | count = (index < queue->next_buf_to_init)? | |
2689 | card->qdio.in_buf_pool.buf_count - | |
2690 | (queue->next_buf_to_init - index) : | |
2691 | card->qdio.in_buf_pool.buf_count - | |
2692 | (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index); | |
2693 | /* only requeue at a certain threshold to avoid SIGAs */ | |
2694 | if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){ | |
2695 | for (i = queue->next_buf_to_init; | |
2696 | i < queue->next_buf_to_init + count; ++i) | |
2697 | qeth_init_input_buffer(card, | |
2698 | &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]); | |
2699 | /* | |
2700 | * according to old code it should be avoided to requeue all | |
2701 | * 128 buffers in order to benefit from PCI avoidance. | |
2702 | * this function keeps at least one buffer (the buffer at | |
2703 | * 'index') un-requeued -> this buffer is the first buffer that | |
2704 | * will be requeued the next time | |
2705 | */ | |
2706 | #ifdef CONFIG_QETH_PERF_STATS | |
2707 | card->perf_stats.inbound_do_qdio_cnt++; | |
2708 | card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros(); | |
2709 | #endif | |
2710 | rc = do_QDIO(CARD_DDEV(card), | |
2711 | QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT, | |
2712 | 0, queue->next_buf_to_init, count, NULL); | |
2713 | #ifdef CONFIG_QETH_PERF_STATS | |
2714 | card->perf_stats.inbound_do_qdio_time += qeth_get_micros() - | |
2715 | card->perf_stats.inbound_do_qdio_start_time; | |
2716 | #endif | |
2717 | if (rc){ | |
2718 | PRINT_WARN("qeth_queue_input_buffer's do_QDIO " | |
2719 | "return %i (device %s).\n", | |
2720 | rc, CARD_DDEV_ID(card)); | |
2721 | QETH_DBF_TEXT(trace,2,"qinberr"); | |
2722 | QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card)); | |
2723 | } | |
2724 | queue->next_buf_to_init = (queue->next_buf_to_init + count) % | |
2725 | QDIO_MAX_BUFFERS_PER_Q; | |
2726 | } | |
2727 | } | |
2728 | ||
2729 | static inline void | |
2730 | qeth_put_buffer_pool_entry(struct qeth_card *card, | |
2731 | struct qeth_buffer_pool_entry *entry) | |
2732 | { | |
2733 | QETH_DBF_TEXT(trace, 6, "ptbfplen"); | |
2734 | list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); | |
2735 | } | |
2736 | ||
2737 | static void | |
2738 | qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, | |
2739 | unsigned int qdio_err, unsigned int siga_err, | |
2740 | unsigned int queue, int first_element, int count, | |
2741 | unsigned long card_ptr) | |
2742 | { | |
2743 | struct net_device *net_dev; | |
2744 | struct qeth_card *card; | |
2745 | struct qeth_qdio_buffer *buffer; | |
2746 | int index; | |
2747 | int i; | |
2748 | ||
2749 | QETH_DBF_TEXT(trace, 6, "qdinput"); | |
2750 | card = (struct qeth_card *) card_ptr; | |
2751 | net_dev = card->dev; | |
2752 | #ifdef CONFIG_QETH_PERF_STATS | |
2753 | card->perf_stats.inbound_cnt++; | |
2754 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
2755 | #endif | |
2756 | if (status & QDIO_STATUS_LOOK_FOR_ERROR) { | |
2757 | if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ | |
2758 | QETH_DBF_TEXT(trace, 1,"qdinchk"); | |
2759 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2760 | QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count); | |
2761 | QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status); | |
2762 | qeth_schedule_recovery(card); | |
2763 | return; | |
2764 | } | |
2765 | } | |
2766 | for (i = first_element; i < (first_element + count); ++i) { | |
2767 | index = i % QDIO_MAX_BUFFERS_PER_Q; | |
2768 | buffer = &card->qdio.in_q->bufs[index]; | |
6c6b3e7c FP |
2769 | if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) && |
2770 | qeth_check_qdio_errors(buffer->buffer, | |
2771 | qdio_err, siga_err,"qinerr"))) | |
1da177e4 LT |
2772 | qeth_process_inbound_buffer(card, buffer, index); |
2773 | /* clear buffer and give back to hardware */ | |
2774 | qeth_put_buffer_pool_entry(card, buffer->pool_entry); | |
2775 | qeth_queue_input_buffer(card, index); | |
2776 | } | |
2777 | #ifdef CONFIG_QETH_PERF_STATS | |
2778 | card->perf_stats.inbound_time += qeth_get_micros() - | |
2779 | card->perf_stats.inbound_start_time; | |
2780 | #endif | |
2781 | } | |
2782 | ||
2783 | static inline int | |
2784 | qeth_handle_send_error(struct qeth_card *card, | |
2785 | struct qeth_qdio_out_buffer *buffer, | |
6c6b3e7c | 2786 | unsigned int qdio_err, unsigned int siga_err) |
1da177e4 LT |
2787 | { |
2788 | int sbalf15 = buffer->buffer->element[15].flags & 0xff; | |
2789 | int cc = siga_err & 3; | |
2790 | ||
2791 | QETH_DBF_TEXT(trace, 6, "hdsnderr"); | |
6c6b3e7c | 2792 | qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr"); |
1da177e4 LT |
2793 | switch (cc) { |
2794 | case 0: | |
2795 | if (qdio_err){ | |
2796 | QETH_DBF_TEXT(trace, 1,"lnkfail"); | |
2797 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2798 | QETH_DBF_TEXT_(trace,1,"%04x %02x", | |
2799 | (u16)qdio_err, (u8)sbalf15); | |
2800 | return QETH_SEND_ERROR_LINK_FAILURE; | |
2801 | } | |
2802 | return QETH_SEND_ERROR_NONE; | |
2803 | case 2: | |
2804 | if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) { | |
2805 | QETH_DBF_TEXT(trace, 1, "SIGAcc2B"); | |
2806 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2807 | return QETH_SEND_ERROR_KICK_IT; | |
2808 | } | |
2809 | if ((sbalf15 >= 15) && (sbalf15 <= 31)) | |
2810 | return QETH_SEND_ERROR_RETRY; | |
2811 | return QETH_SEND_ERROR_LINK_FAILURE; | |
2812 | /* look at qdio_error and sbalf 15 */ | |
2813 | case 1: | |
2814 | QETH_DBF_TEXT(trace, 1, "SIGAcc1"); | |
2815 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2816 | return QETH_SEND_ERROR_LINK_FAILURE; | |
2817 | case 3: | |
2818 | QETH_DBF_TEXT(trace, 1, "SIGAcc3"); | |
2819 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2820 | return QETH_SEND_ERROR_KICK_IT; | |
2821 | } | |
2822 | return QETH_SEND_ERROR_LINK_FAILURE; | |
2823 | } | |
2824 | ||
2825 | void | |
2826 | qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, | |
2827 | int index, int count) | |
2828 | { | |
2829 | struct qeth_qdio_out_buffer *buf; | |
2830 | int rc; | |
2831 | int i; | |
2832 | ||
2833 | QETH_DBF_TEXT(trace, 6, "flushbuf"); | |
2834 | ||
2835 | for (i = index; i < index + count; ++i) { | |
2836 | buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; | |
2837 | buf->buffer->element[buf->next_element_to_fill - 1].flags |= | |
2838 | SBAL_FLAGS_LAST_ENTRY; | |
2839 | ||
2840 | if (queue->card->info.type == QETH_CARD_TYPE_IQD) | |
2841 | continue; | |
2842 | ||
2843 | if (!queue->do_pack){ | |
2844 | if ((atomic_read(&queue->used_buffers) >= | |
2845 | (QETH_HIGH_WATERMARK_PACK - | |
2846 | QETH_WATERMARK_PACK_FUZZ)) && | |
2847 | !atomic_read(&queue->set_pci_flags_count)){ | |
2848 | /* it's likely that we'll go to packing | |
2849 | * mode soon */ | |
2850 | atomic_inc(&queue->set_pci_flags_count); | |
2851 | buf->buffer->element[0].flags |= 0x40; | |
2852 | } | |
2853 | } else { | |
2854 | if (!atomic_read(&queue->set_pci_flags_count)){ | |
2855 | /* | |
2856 | * there's no outstanding PCI any more, so we | |
2857 | * have to request a PCI to be sure the the PCI | |
2858 | * will wake at some time in the future then we | |
2859 | * can flush packed buffers that might still be | |
2860 | * hanging around, which can happen if no | |
2861 | * further send was requested by the stack | |
2862 | */ | |
2863 | atomic_inc(&queue->set_pci_flags_count); | |
2864 | buf->buffer->element[0].flags |= 0x40; | |
2865 | } | |
2866 | } | |
2867 | } | |
2868 | ||
2869 | queue->card->dev->trans_start = jiffies; | |
2870 | #ifdef CONFIG_QETH_PERF_STATS | |
2871 | queue->card->perf_stats.outbound_do_qdio_cnt++; | |
2872 | queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros(); | |
2873 | #endif | |
2874 | if (under_int) | |
2875 | rc = do_QDIO(CARD_DDEV(queue->card), | |
2876 | QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT, | |
2877 | queue->queue_no, index, count, NULL); | |
2878 | else | |
2879 | rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT, | |
2880 | queue->queue_no, index, count, NULL); | |
2881 | #ifdef CONFIG_QETH_PERF_STATS | |
2882 | queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() - | |
2883 | queue->card->perf_stats.outbound_do_qdio_start_time; | |
2884 | #endif | |
2885 | if (rc){ | |
1da177e4 LT |
2886 | QETH_DBF_TEXT(trace, 2, "flushbuf"); |
2887 | QETH_DBF_TEXT_(trace, 2, " err%d", rc); | |
f3d242e8 | 2888 | QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card)); |
1da177e4 LT |
2889 | queue->card->stats.tx_errors += count; |
2890 | /* this must not happen under normal circumstances. if it | |
2891 | * happens something is really wrong -> recover */ | |
2892 | qeth_schedule_recovery(queue->card); | |
2893 | return; | |
2894 | } | |
2895 | atomic_add(count, &queue->used_buffers); | |
2896 | #ifdef CONFIG_QETH_PERF_STATS | |
2897 | queue->card->perf_stats.bufs_sent += count; | |
2898 | #endif | |
2899 | } | |
2900 | ||
2901 | /* | |
2902 | * Switched to packing state if the number of used buffers on a queue | |
2903 | * reaches a certain limit. | |
2904 | */ | |
2905 | static inline void | |
2906 | qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) | |
2907 | { | |
2908 | if (!queue->do_pack) { | |
2909 | if (atomic_read(&queue->used_buffers) | |
2910 | >= QETH_HIGH_WATERMARK_PACK){ | |
2911 | /* switch non-PACKING -> PACKING */ | |
2912 | QETH_DBF_TEXT(trace, 6, "np->pack"); | |
2913 | #ifdef CONFIG_QETH_PERF_STATS | |
2914 | queue->card->perf_stats.sc_dp_p++; | |
2915 | #endif | |
2916 | queue->do_pack = 1; | |
2917 | } | |
2918 | } | |
2919 | } | |
2920 | ||
2921 | /* | |
2922 | * Switches from packing to non-packing mode. If there is a packing | |
2923 | * buffer on the queue this buffer will be prepared to be flushed. | |
2924 | * In that case 1 is returned to inform the caller. If no buffer | |
2925 | * has to be flushed, zero is returned. | |
2926 | */ | |
2927 | static inline int | |
2928 | qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) | |
2929 | { | |
2930 | struct qeth_qdio_out_buffer *buffer; | |
2931 | int flush_count = 0; | |
2932 | ||
2933 | if (queue->do_pack) { | |
2934 | if (atomic_read(&queue->used_buffers) | |
2935 | <= QETH_LOW_WATERMARK_PACK) { | |
2936 | /* switch PACKING -> non-PACKING */ | |
2937 | QETH_DBF_TEXT(trace, 6, "pack->np"); | |
2938 | #ifdef CONFIG_QETH_PERF_STATS | |
2939 | queue->card->perf_stats.sc_p_dp++; | |
2940 | #endif | |
2941 | queue->do_pack = 0; | |
2942 | /* flush packing buffers */ | |
2943 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
2944 | if ((atomic_read(&buffer->state) == | |
2945 | QETH_QDIO_BUF_EMPTY) && | |
2946 | (buffer->next_element_to_fill > 0)) { | |
2947 | atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED); | |
2948 | flush_count++; | |
2949 | queue->next_buf_to_fill = | |
2950 | (queue->next_buf_to_fill + 1) % | |
2951 | QDIO_MAX_BUFFERS_PER_Q; | |
2952 | } | |
2953 | } | |
2954 | } | |
2955 | return flush_count; | |
2956 | } | |
2957 | ||
2958 | /* | |
2959 | * Called to flush a packing buffer if no more pci flags are on the queue. | |
2960 | * Checks if there is a packing buffer and prepares it to be flushed. | |
2961 | * In that case returns 1, otherwise zero. | |
2962 | */ | |
2963 | static inline int | |
2964 | qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue) | |
2965 | { | |
2966 | struct qeth_qdio_out_buffer *buffer; | |
2967 | ||
2968 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
2969 | if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) && | |
2970 | (buffer->next_element_to_fill > 0)){ | |
2971 | /* it's a packing buffer */ | |
2972 | atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); | |
2973 | queue->next_buf_to_fill = | |
2974 | (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; | |
2975 | return 1; | |
2976 | } | |
2977 | return 0; | |
2978 | } | |
2979 | ||
2980 | static inline void | |
2981 | qeth_check_outbound_queue(struct qeth_qdio_out_q *queue) | |
2982 | { | |
2983 | int index; | |
2984 | int flush_cnt = 0; | |
2985 | int q_was_packing = 0; | |
2986 | ||
2987 | /* | |
2988 | * check if weed have to switch to non-packing mode or if | |
2989 | * we have to get a pci flag out on the queue | |
2990 | */ | |
2991 | if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) || | |
2992 | !atomic_read(&queue->set_pci_flags_count)){ | |
2993 | if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) == | |
2994 | QETH_OUT_Q_UNLOCKED) { | |
2995 | /* | |
2996 | * If we get in here, there was no action in | |
2997 | * do_send_packet. So, we check if there is a | |
2998 | * packing buffer to be flushed here. | |
2999 | */ | |
3000 | netif_stop_queue(queue->card->dev); | |
3001 | index = queue->next_buf_to_fill; | |
3002 | q_was_packing = queue->do_pack; | |
3003 | flush_cnt += qeth_switch_to_nonpacking_if_needed(queue); | |
3004 | if (!flush_cnt && | |
3005 | !atomic_read(&queue->set_pci_flags_count)) | |
3006 | flush_cnt += | |
3007 | qeth_flush_buffers_on_no_pci(queue); | |
3008 | #ifdef CONFIG_QETH_PERF_STATS | |
3009 | if (q_was_packing) | |
3010 | queue->card->perf_stats.bufs_sent_pack += | |
3011 | flush_cnt; | |
3012 | #endif | |
3013 | if (flush_cnt) | |
3014 | qeth_flush_buffers(queue, 1, index, flush_cnt); | |
3015 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
3016 | } | |
3017 | } | |
3018 | } | |
3019 | ||
3020 | static void | |
3021 | qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status, | |
3022 | unsigned int qdio_error, unsigned int siga_error, | |
3023 | unsigned int __queue, int first_element, int count, | |
3024 | unsigned long card_ptr) | |
3025 | { | |
3026 | struct qeth_card *card = (struct qeth_card *) card_ptr; | |
3027 | struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; | |
3028 | struct qeth_qdio_out_buffer *buffer; | |
3029 | int i; | |
3030 | ||
3031 | QETH_DBF_TEXT(trace, 6, "qdouhdl"); | |
3032 | if (status & QDIO_STATUS_LOOK_FOR_ERROR) { | |
3033 | if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ | |
f3d242e8 FP |
3034 | QETH_DBF_TEXT(trace, 2, "achkcond"); |
3035 | QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card)); | |
1da177e4 LT |
3036 | QETH_DBF_TEXT_(trace, 2, "%08x", status); |
3037 | netif_stop_queue(card->dev); | |
3038 | qeth_schedule_recovery(card); | |
3039 | return; | |
3040 | } | |
3041 | } | |
3042 | #ifdef CONFIG_QETH_PERF_STATS | |
3043 | card->perf_stats.outbound_handler_cnt++; | |
3044 | card->perf_stats.outbound_handler_start_time = qeth_get_micros(); | |
3045 | #endif | |
3046 | for(i = first_element; i < (first_element + count); ++i){ | |
3047 | buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; | |
3048 | /*we only handle the KICK_IT error by doing a recovery */ | |
6c6b3e7c FP |
3049 | if (qeth_handle_send_error(card, buffer, |
3050 | qdio_error, siga_error) | |
1da177e4 LT |
3051 | == QETH_SEND_ERROR_KICK_IT){ |
3052 | netif_stop_queue(card->dev); | |
3053 | qeth_schedule_recovery(card); | |
3054 | return; | |
3055 | } | |
3056 | qeth_clear_output_buffer(queue, buffer); | |
3057 | } | |
3058 | atomic_sub(count, &queue->used_buffers); | |
3059 | /* check if we need to do something on this outbound queue */ | |
3060 | if (card->info.type != QETH_CARD_TYPE_IQD) | |
3061 | qeth_check_outbound_queue(queue); | |
3062 | ||
3063 | netif_wake_queue(queue->card->dev); | |
3064 | #ifdef CONFIG_QETH_PERF_STATS | |
3065 | card->perf_stats.outbound_handler_time += qeth_get_micros() - | |
3066 | card->perf_stats.outbound_handler_start_time; | |
3067 | #endif | |
3068 | } | |
3069 | ||
3070 | static void | |
3071 | qeth_create_qib_param_field(struct qeth_card *card, char *param_field) | |
3072 | { | |
3073 | ||
3074 | param_field[0] = _ascebc['P']; | |
3075 | param_field[1] = _ascebc['C']; | |
3076 | param_field[2] = _ascebc['I']; | |
3077 | param_field[3] = _ascebc['T']; | |
3078 | *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card); | |
3079 | *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card); | |
3080 | *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card); | |
3081 | } | |
3082 | ||
3083 | static void | |
3084 | qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field) | |
3085 | { | |
3086 | param_field[16] = _ascebc['B']; | |
3087 | param_field[17] = _ascebc['L']; | |
3088 | param_field[18] = _ascebc['K']; | |
3089 | param_field[19] = _ascebc['T']; | |
3090 | *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total; | |
3091 | *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet; | |
3092 | *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo; | |
3093 | } | |
3094 | ||
3095 | static void | |
3096 | qeth_initialize_working_pool_list(struct qeth_card *card) | |
3097 | { | |
3098 | struct qeth_buffer_pool_entry *entry; | |
3099 | ||
3100 | QETH_DBF_TEXT(trace,5,"inwrklst"); | |
3101 | ||
3102 | list_for_each_entry(entry, | |
3103 | &card->qdio.init_pool.entry_list, init_list) { | |
3104 | qeth_put_buffer_pool_entry(card,entry); | |
3105 | } | |
3106 | } | |
3107 | ||
3108 | static void | |
3109 | qeth_clear_working_pool_list(struct qeth_card *card) | |
3110 | { | |
3111 | struct qeth_buffer_pool_entry *pool_entry, *tmp; | |
3112 | ||
3113 | QETH_DBF_TEXT(trace,5,"clwrklst"); | |
3114 | list_for_each_entry_safe(pool_entry, tmp, | |
3115 | &card->qdio.in_buf_pool.entry_list, list){ | |
3116 | list_del(&pool_entry->list); | |
3117 | } | |
3118 | } | |
3119 | ||
3120 | static void | |
3121 | qeth_free_buffer_pool(struct qeth_card *card) | |
3122 | { | |
3123 | struct qeth_buffer_pool_entry *pool_entry, *tmp; | |
3124 | int i=0; | |
3125 | QETH_DBF_TEXT(trace,5,"freepool"); | |
3126 | list_for_each_entry_safe(pool_entry, tmp, | |
3127 | &card->qdio.init_pool.entry_list, init_list){ | |
3128 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) | |
3129 | free_page((unsigned long)pool_entry->elements[i]); | |
3130 | list_del(&pool_entry->init_list); | |
3131 | kfree(pool_entry); | |
3132 | } | |
3133 | } | |
3134 | ||
3135 | static int | |
3136 | qeth_alloc_buffer_pool(struct qeth_card *card) | |
3137 | { | |
3138 | struct qeth_buffer_pool_entry *pool_entry; | |
3139 | void *ptr; | |
3140 | int i, j; | |
3141 | ||
3142 | QETH_DBF_TEXT(trace,5,"alocpool"); | |
3143 | for (i = 0; i < card->qdio.init_pool.buf_count; ++i){ | |
3144 | pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL); | |
3145 | if (!pool_entry){ | |
3146 | qeth_free_buffer_pool(card); | |
3147 | return -ENOMEM; | |
3148 | } | |
3149 | for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){ | |
9123e0d7 | 3150 | ptr = (void *) __get_free_page(GFP_KERNEL|GFP_DMA); |
1da177e4 LT |
3151 | if (!ptr) { |
3152 | while (j > 0) | |
3153 | free_page((unsigned long) | |
3154 | pool_entry->elements[--j]); | |
3155 | kfree(pool_entry); | |
3156 | qeth_free_buffer_pool(card); | |
3157 | return -ENOMEM; | |
3158 | } | |
3159 | pool_entry->elements[j] = ptr; | |
3160 | } | |
3161 | list_add(&pool_entry->init_list, | |
3162 | &card->qdio.init_pool.entry_list); | |
3163 | } | |
3164 | return 0; | |
3165 | } | |
3166 | ||
3167 | int | |
3168 | qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt) | |
3169 | { | |
3170 | QETH_DBF_TEXT(trace, 2, "realcbp"); | |
3171 | ||
3172 | if ((card->state != CARD_STATE_DOWN) && | |
3173 | (card->state != CARD_STATE_RECOVER)) | |
3174 | return -EPERM; | |
3175 | ||
3176 | /* TODO: steel/add buffers from/to a running card's buffer pool (?) */ | |
3177 | qeth_clear_working_pool_list(card); | |
3178 | qeth_free_buffer_pool(card); | |
3179 | card->qdio.in_buf_pool.buf_count = bufcnt; | |
3180 | card->qdio.init_pool.buf_count = bufcnt; | |
3181 | return qeth_alloc_buffer_pool(card); | |
3182 | } | |
3183 | ||
3184 | static int | |
3185 | qeth_alloc_qdio_buffers(struct qeth_card *card) | |
3186 | { | |
3187 | int i, j; | |
3188 | ||
3189 | QETH_DBF_TEXT(setup, 2, "allcqdbf"); | |
3190 | ||
3191 | if (card->qdio.state == QETH_QDIO_ALLOCATED) | |
3192 | return 0; | |
3193 | ||
9123e0d7 UB |
3194 | card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), |
3195 | GFP_KERNEL|GFP_DMA); | |
1da177e4 LT |
3196 | if (!card->qdio.in_q) |
3197 | return - ENOMEM; | |
3198 | QETH_DBF_TEXT(setup, 2, "inq"); | |
3199 | QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *)); | |
3200 | memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q)); | |
3201 | /* give inbound qeth_qdio_buffers their qdio_buffers */ | |
3202 | for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) | |
3203 | card->qdio.in_q->bufs[i].buffer = | |
3204 | &card->qdio.in_q->qdio_bufs[i]; | |
3205 | /* inbound buffer pool */ | |
3206 | if (qeth_alloc_buffer_pool(card)){ | |
3207 | kfree(card->qdio.in_q); | |
3208 | return -ENOMEM; | |
3209 | } | |
3210 | /* outbound */ | |
3211 | card->qdio.out_qs = | |
3212 | kmalloc(card->qdio.no_out_queues * | |
3213 | sizeof(struct qeth_qdio_out_q *), GFP_KERNEL); | |
3214 | if (!card->qdio.out_qs){ | |
3215 | qeth_free_buffer_pool(card); | |
3216 | return -ENOMEM; | |
3217 | } | |
3218 | for (i = 0; i < card->qdio.no_out_queues; ++i){ | |
3219 | card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q), | |
9123e0d7 | 3220 | GFP_KERNEL|GFP_DMA); |
1da177e4 LT |
3221 | if (!card->qdio.out_qs[i]){ |
3222 | while (i > 0) | |
3223 | kfree(card->qdio.out_qs[--i]); | |
3224 | kfree(card->qdio.out_qs); | |
3225 | return -ENOMEM; | |
3226 | } | |
3227 | QETH_DBF_TEXT_(setup, 2, "outq %i", i); | |
3228 | QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *)); | |
3229 | memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q)); | |
3230 | card->qdio.out_qs[i]->queue_no = i; | |
3231 | /* give outbound qeth_qdio_buffers their qdio_buffers */ | |
3232 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){ | |
3233 | card->qdio.out_qs[i]->bufs[j].buffer = | |
3234 | &card->qdio.out_qs[i]->qdio_bufs[j]; | |
3235 | skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j]. | |
3236 | skb_list); | |
3237 | INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list); | |
3238 | } | |
3239 | } | |
3240 | card->qdio.state = QETH_QDIO_ALLOCATED; | |
3241 | return 0; | |
3242 | } | |
3243 | ||
3244 | static void | |
3245 | qeth_free_qdio_buffers(struct qeth_card *card) | |
3246 | { | |
3247 | int i, j; | |
3248 | ||
3249 | QETH_DBF_TEXT(trace, 2, "freeqdbf"); | |
3250 | if (card->qdio.state == QETH_QDIO_UNINITIALIZED) | |
3251 | return; | |
3252 | kfree(card->qdio.in_q); | |
3253 | /* inbound buffer pool */ | |
3254 | qeth_free_buffer_pool(card); | |
3255 | /* free outbound qdio_qs */ | |
3256 | for (i = 0; i < card->qdio.no_out_queues; ++i){ | |
3257 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
3258 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
3259 | &card->qdio.out_qs[i]->bufs[j]); | |
3260 | kfree(card->qdio.out_qs[i]); | |
3261 | } | |
3262 | kfree(card->qdio.out_qs); | |
3263 | card->qdio.state = QETH_QDIO_UNINITIALIZED; | |
3264 | } | |
3265 | ||
3266 | static void | |
3267 | qeth_clear_qdio_buffers(struct qeth_card *card) | |
3268 | { | |
3269 | int i, j; | |
3270 | ||
3271 | QETH_DBF_TEXT(trace, 2, "clearqdbf"); | |
3272 | /* clear outbound buffers to free skbs */ | |
3273 | for (i = 0; i < card->qdio.no_out_queues; ++i) | |
3274 | if (card->qdio.out_qs[i]){ | |
3275 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
3276 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
3277 | &card->qdio.out_qs[i]->bufs[j]); | |
3278 | } | |
3279 | } | |
3280 | ||
3281 | static void | |
3282 | qeth_init_qdio_info(struct qeth_card *card) | |
3283 | { | |
3284 | QETH_DBF_TEXT(setup, 4, "intqdinf"); | |
3285 | card->qdio.state = QETH_QDIO_UNINITIALIZED; | |
3286 | /* inbound */ | |
3287 | card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; | |
3288 | card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT; | |
3289 | card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count; | |
3290 | INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list); | |
3291 | INIT_LIST_HEAD(&card->qdio.init_pool.entry_list); | |
1da177e4 LT |
3292 | } |
3293 | ||
3294 | static int | |
3295 | qeth_init_qdio_queues(struct qeth_card *card) | |
3296 | { | |
3297 | int i, j; | |
3298 | int rc; | |
3299 | ||
3300 | QETH_DBF_TEXT(setup, 2, "initqdqs"); | |
3301 | ||
3302 | /* inbound queue */ | |
3303 | memset(card->qdio.in_q->qdio_bufs, 0, | |
3304 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
3305 | qeth_initialize_working_pool_list(card); | |
3306 | /*give only as many buffers to hardware as we have buffer pool entries*/ | |
3307 | for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i) | |
3308 | qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]); | |
3309 | card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1; | |
3310 | rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0, | |
3311 | card->qdio.in_buf_pool.buf_count - 1, NULL); | |
3312 | if (rc) { | |
3313 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
3314 | return rc; | |
3315 | } | |
3316 | rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0); | |
3317 | if (rc) { | |
3318 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
3319 | return rc; | |
3320 | } | |
3321 | /* outbound queue */ | |
3322 | for (i = 0; i < card->qdio.no_out_queues; ++i){ | |
3323 | memset(card->qdio.out_qs[i]->qdio_bufs, 0, | |
3324 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
3325 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){ | |
3326 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
3327 | &card->qdio.out_qs[i]->bufs[j]); | |
3328 | } | |
3329 | card->qdio.out_qs[i]->card = card; | |
3330 | card->qdio.out_qs[i]->next_buf_to_fill = 0; | |
3331 | card->qdio.out_qs[i]->do_pack = 0; | |
3332 | atomic_set(&card->qdio.out_qs[i]->used_buffers,0); | |
3333 | atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0); | |
3334 | atomic_set(&card->qdio.out_qs[i]->state, | |
3335 | QETH_OUT_Q_UNLOCKED); | |
3336 | } | |
3337 | return 0; | |
3338 | } | |
3339 | ||
3340 | static int | |
3341 | qeth_qdio_establish(struct qeth_card *card) | |
3342 | { | |
3343 | struct qdio_initialize init_data; | |
3344 | char *qib_param_field; | |
3345 | struct qdio_buffer **in_sbal_ptrs; | |
3346 | struct qdio_buffer **out_sbal_ptrs; | |
3347 | int i, j, k; | |
3348 | int rc; | |
3349 | ||
3350 | QETH_DBF_TEXT(setup, 2, "qdioest"); | |
3351 | ||
3352 | qib_param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char), | |
3353 | GFP_KERNEL); | |
3354 | if (!qib_param_field) | |
3355 | return -ENOMEM; | |
3356 | ||
3357 | memset(qib_param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char)); | |
3358 | ||
3359 | qeth_create_qib_param_field(card, qib_param_field); | |
3360 | qeth_create_qib_param_field_blkt(card, qib_param_field); | |
3361 | ||
3362 | in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *), | |
3363 | GFP_KERNEL); | |
3364 | if (!in_sbal_ptrs) { | |
3365 | kfree(qib_param_field); | |
3366 | return -ENOMEM; | |
3367 | } | |
3368 | for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) | |
3369 | in_sbal_ptrs[i] = (struct qdio_buffer *) | |
3370 | virt_to_phys(card->qdio.in_q->bufs[i].buffer); | |
3371 | ||
3372 | out_sbal_ptrs = | |
3373 | kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q * | |
3374 | sizeof(void *), GFP_KERNEL); | |
3375 | if (!out_sbal_ptrs) { | |
3376 | kfree(in_sbal_ptrs); | |
3377 | kfree(qib_param_field); | |
3378 | return -ENOMEM; | |
3379 | } | |
3380 | for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i) | |
3381 | for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){ | |
3382 | out_sbal_ptrs[k] = (struct qdio_buffer *) | |
3383 | virt_to_phys(card->qdio.out_qs[i]-> | |
3384 | bufs[j].buffer); | |
3385 | } | |
3386 | ||
3387 | memset(&init_data, 0, sizeof(struct qdio_initialize)); | |
3388 | init_data.cdev = CARD_DDEV(card); | |
3389 | init_data.q_format = qeth_get_qdio_q_format(card); | |
3390 | init_data.qib_param_field_format = 0; | |
3391 | init_data.qib_param_field = qib_param_field; | |
3392 | init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD; | |
3393 | init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD; | |
3394 | init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD; | |
3395 | init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD; | |
3396 | init_data.no_input_qs = 1; | |
3397 | init_data.no_output_qs = card->qdio.no_out_queues; | |
3398 | init_data.input_handler = (qdio_handler_t *) | |
3399 | qeth_qdio_input_handler; | |
3400 | init_data.output_handler = (qdio_handler_t *) | |
3401 | qeth_qdio_output_handler; | |
3402 | init_data.int_parm = (unsigned long) card; | |
3403 | init_data.flags = QDIO_INBOUND_0COPY_SBALS | | |
3404 | QDIO_OUTBOUND_0COPY_SBALS | | |
3405 | QDIO_USE_OUTBOUND_PCIS; | |
3406 | init_data.input_sbal_addr_array = (void **) in_sbal_ptrs; | |
3407 | init_data.output_sbal_addr_array = (void **) out_sbal_ptrs; | |
3408 | ||
3409 | if (!(rc = qdio_initialize(&init_data))) | |
3410 | card->qdio.state = QETH_QDIO_ESTABLISHED; | |
3411 | ||
3412 | kfree(out_sbal_ptrs); | |
3413 | kfree(in_sbal_ptrs); | |
3414 | kfree(qib_param_field); | |
3415 | return rc; | |
3416 | } | |
3417 | ||
3418 | static int | |
3419 | qeth_qdio_activate(struct qeth_card *card) | |
3420 | { | |
3421 | QETH_DBF_TEXT(setup,3,"qdioact"); | |
3422 | return qdio_activate(CARD_DDEV(card), 0); | |
3423 | } | |
3424 | ||
3425 | static int | |
3426 | qeth_clear_channel(struct qeth_channel *channel) | |
3427 | { | |
3428 | unsigned long flags; | |
3429 | struct qeth_card *card; | |
3430 | int rc; | |
3431 | ||
3432 | QETH_DBF_TEXT(trace,3,"clearch"); | |
3433 | card = CARD_FROM_CDEV(channel->ccwdev); | |
3434 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
3435 | rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM); | |
3436 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
3437 | ||
3438 | if (rc) | |
3439 | return rc; | |
3440 | rc = wait_event_interruptible_timeout(card->wait_q, | |
3441 | channel->state==CH_STATE_STOPPED, QETH_TIMEOUT); | |
3442 | if (rc == -ERESTARTSYS) | |
3443 | return rc; | |
3444 | if (channel->state != CH_STATE_STOPPED) | |
3445 | return -ETIME; | |
3446 | channel->state = CH_STATE_DOWN; | |
3447 | return 0; | |
3448 | } | |
3449 | ||
3450 | static int | |
3451 | qeth_halt_channel(struct qeth_channel *channel) | |
3452 | { | |
3453 | unsigned long flags; | |
3454 | struct qeth_card *card; | |
3455 | int rc; | |
3456 | ||
3457 | QETH_DBF_TEXT(trace,3,"haltch"); | |
3458 | card = CARD_FROM_CDEV(channel->ccwdev); | |
3459 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
3460 | rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM); | |
3461 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
3462 | ||
3463 | if (rc) | |
3464 | return rc; | |
3465 | rc = wait_event_interruptible_timeout(card->wait_q, | |
3466 | channel->state==CH_STATE_HALTED, QETH_TIMEOUT); | |
3467 | if (rc == -ERESTARTSYS) | |
3468 | return rc; | |
3469 | if (channel->state != CH_STATE_HALTED) | |
3470 | return -ETIME; | |
3471 | return 0; | |
3472 | } | |
3473 | ||
3474 | static int | |
3475 | qeth_halt_channels(struct qeth_card *card) | |
3476 | { | |
f3d242e8 | 3477 | int rc1 = 0, rc2=0, rc3 = 0; |
1da177e4 LT |
3478 | |
3479 | QETH_DBF_TEXT(trace,3,"haltchs"); | |
f3d242e8 FP |
3480 | rc1 = qeth_halt_channel(&card->read); |
3481 | rc2 = qeth_halt_channel(&card->write); | |
3482 | rc3 = qeth_halt_channel(&card->data); | |
3483 | if (rc1) | |
3484 | return rc1; | |
3485 | if (rc2) | |
3486 | return rc2; | |
3487 | return rc3; | |
1da177e4 LT |
3488 | } |
3489 | static int | |
3490 | qeth_clear_channels(struct qeth_card *card) | |
3491 | { | |
f3d242e8 | 3492 | int rc1 = 0, rc2=0, rc3 = 0; |
1da177e4 LT |
3493 | |
3494 | QETH_DBF_TEXT(trace,3,"clearchs"); | |
f3d242e8 FP |
3495 | rc1 = qeth_clear_channel(&card->read); |
3496 | rc2 = qeth_clear_channel(&card->write); | |
3497 | rc3 = qeth_clear_channel(&card->data); | |
3498 | if (rc1) | |
3499 | return rc1; | |
3500 | if (rc2) | |
3501 | return rc2; | |
3502 | return rc3; | |
1da177e4 LT |
3503 | } |
3504 | ||
3505 | static int | |
3506 | qeth_clear_halt_card(struct qeth_card *card, int halt) | |
3507 | { | |
3508 | int rc = 0; | |
3509 | ||
3510 | QETH_DBF_TEXT(trace,3,"clhacrd"); | |
3511 | QETH_DBF_HEX(trace, 3, &card, sizeof(void *)); | |
3512 | ||
3513 | if (halt) | |
3514 | rc = qeth_halt_channels(card); | |
3515 | if (rc) | |
3516 | return rc; | |
3517 | return qeth_clear_channels(card); | |
3518 | } | |
3519 | ||
3520 | static int | |
3521 | qeth_qdio_clear_card(struct qeth_card *card, int use_halt) | |
3522 | { | |
3523 | int rc = 0; | |
3524 | ||
3525 | QETH_DBF_TEXT(trace,3,"qdioclr"); | |
3526 | if (card->qdio.state == QETH_QDIO_ESTABLISHED){ | |
3527 | if ((rc = qdio_cleanup(CARD_DDEV(card), | |
3528 | (card->info.type == QETH_CARD_TYPE_IQD) ? | |
3529 | QDIO_FLAG_CLEANUP_USING_HALT : | |
3530 | QDIO_FLAG_CLEANUP_USING_CLEAR))) | |
3531 | QETH_DBF_TEXT_(trace, 3, "1err%d", rc); | |
3532 | card->qdio.state = QETH_QDIO_ALLOCATED; | |
3533 | } | |
3534 | if ((rc = qeth_clear_halt_card(card, use_halt))) | |
3535 | QETH_DBF_TEXT_(trace, 3, "2err%d", rc); | |
3536 | card->state = CARD_STATE_DOWN; | |
3537 | return rc; | |
3538 | } | |
3539 | ||
3540 | static int | |
3541 | qeth_dm_act(struct qeth_card *card) | |
3542 | { | |
3543 | int rc; | |
3544 | struct qeth_cmd_buffer *iob; | |
3545 | ||
3546 | QETH_DBF_TEXT(setup,2,"dmact"); | |
3547 | ||
3548 | iob = qeth_wait_for_buffer(&card->write); | |
3549 | memcpy(iob->data, DM_ACT, DM_ACT_SIZE); | |
3550 | ||
3551 | memcpy(QETH_DM_ACT_DEST_ADDR(iob->data), | |
3552 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
3553 | memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data), | |
3554 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
3555 | rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL); | |
3556 | return rc; | |
3557 | } | |
3558 | ||
3559 | static int | |
3560 | qeth_mpc_initialize(struct qeth_card *card) | |
3561 | { | |
3562 | int rc; | |
3563 | ||
3564 | QETH_DBF_TEXT(setup,2,"mpcinit"); | |
3565 | ||
3566 | if ((rc = qeth_issue_next_read(card))){ | |
3567 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
3568 | return rc; | |
3569 | } | |
3570 | if ((rc = qeth_cm_enable(card))){ | |
3571 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
f3d242e8 | 3572 | goto out_qdio; |
1da177e4 LT |
3573 | } |
3574 | if ((rc = qeth_cm_setup(card))){ | |
3575 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
f3d242e8 | 3576 | goto out_qdio; |
1da177e4 LT |
3577 | } |
3578 | if ((rc = qeth_ulp_enable(card))){ | |
3579 | QETH_DBF_TEXT_(setup, 2, "4err%d", rc); | |
f3d242e8 | 3580 | goto out_qdio; |
1da177e4 LT |
3581 | } |
3582 | if ((rc = qeth_ulp_setup(card))){ | |
3583 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
f3d242e8 | 3584 | goto out_qdio; |
1da177e4 LT |
3585 | } |
3586 | if ((rc = qeth_alloc_qdio_buffers(card))){ | |
3587 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
f3d242e8 | 3588 | goto out_qdio; |
1da177e4 LT |
3589 | } |
3590 | if ((rc = qeth_qdio_establish(card))){ | |
3591 | QETH_DBF_TEXT_(setup, 2, "6err%d", rc); | |
3592 | qeth_free_qdio_buffers(card); | |
3593 | goto out_qdio; | |
3594 | } | |
3595 | if ((rc = qeth_qdio_activate(card))){ | |
3596 | QETH_DBF_TEXT_(setup, 2, "7err%d", rc); | |
3597 | goto out_qdio; | |
3598 | } | |
3599 | if ((rc = qeth_dm_act(card))){ | |
3600 | QETH_DBF_TEXT_(setup, 2, "8err%d", rc); | |
3601 | goto out_qdio; | |
3602 | } | |
3603 | ||
3604 | return 0; | |
3605 | out_qdio: | |
500f83ab | 3606 | qeth_qdio_clear_card(card, card->info.type!=QETH_CARD_TYPE_IQD); |
1da177e4 LT |
3607 | return rc; |
3608 | } | |
3609 | ||
3610 | static struct net_device * | |
3611 | qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype) | |
3612 | { | |
3613 | struct net_device *dev = NULL; | |
3614 | ||
3615 | switch (type) { | |
3616 | case QETH_CARD_TYPE_OSAE: | |
3617 | switch (linktype) { | |
3618 | case QETH_LINK_TYPE_LANE_TR: | |
3619 | case QETH_LINK_TYPE_HSTR: | |
3620 | #ifdef CONFIG_TR | |
3621 | dev = alloc_trdev(0); | |
3622 | #endif /* CONFIG_TR */ | |
3623 | break; | |
3624 | default: | |
3625 | dev = alloc_etherdev(0); | |
3626 | } | |
3627 | break; | |
3628 | case QETH_CARD_TYPE_IQD: | |
3629 | dev = alloc_netdev(0, "hsi%d", ether_setup); | |
3630 | break; | |
500f83ab UB |
3631 | case QETH_CARD_TYPE_OSN: |
3632 | dev = alloc_netdev(0, "osn%d", ether_setup); | |
3633 | break; | |
1da177e4 LT |
3634 | default: |
3635 | dev = alloc_etherdev(0); | |
3636 | } | |
3637 | return dev; | |
3638 | } | |
3639 | ||
3640 | /*hard_header fake function; used in case fake_ll is set */ | |
3641 | static int | |
3642 | qeth_fake_header(struct sk_buff *skb, struct net_device *dev, | |
3643 | unsigned short type, void *daddr, void *saddr, | |
3644 | unsigned len) | |
3645 | { | |
e23dd9cd FP |
3646 | if(dev->type == ARPHRD_IEEE802_TR){ |
3647 | struct trh_hdr *hdr; | |
3648 | hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR); | |
3649 | memcpy(hdr->saddr, dev->dev_addr, TR_ALEN); | |
3650 | memcpy(hdr->daddr, "FAKELL", TR_ALEN); | |
3651 | return QETH_FAKE_LL_LEN_TR; | |
3652 | ||
3653 | } else { | |
3654 | struct ethhdr *hdr; | |
3655 | hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH); | |
3656 | memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN); | |
3657 | memcpy(hdr->h_dest, "FAKELL", ETH_ALEN); | |
3658 | if (type != ETH_P_802_3) | |
3659 | hdr->h_proto = htons(type); | |
3660 | else | |
3661 | hdr->h_proto = htons(len); | |
3662 | return QETH_FAKE_LL_LEN_ETH; | |
1da177e4 | 3663 | |
e23dd9cd | 3664 | } |
1da177e4 LT |
3665 | } |
3666 | ||
3667 | static inline int | |
3668 | qeth_send_packet(struct qeth_card *, struct sk_buff *); | |
3669 | ||
3670 | static int | |
3671 | qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
3672 | { | |
3673 | int rc; | |
3674 | struct qeth_card *card; | |
3675 | ||
3676 | QETH_DBF_TEXT(trace, 6, "hrdstxmi"); | |
3677 | card = (struct qeth_card *)dev->priv; | |
3678 | if (skb==NULL) { | |
3679 | card->stats.tx_dropped++; | |
3680 | card->stats.tx_errors++; | |
3681 | /* return OK; otherwise ksoftirqd goes to 100% */ | |
3682 | return NETDEV_TX_OK; | |
3683 | } | |
3684 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
3685 | card->stats.tx_dropped++; | |
3686 | card->stats.tx_errors++; | |
3687 | card->stats.tx_carrier_errors++; | |
3688 | dev_kfree_skb_any(skb); | |
3689 | /* return OK; otherwise ksoftirqd goes to 100% */ | |
3690 | return NETDEV_TX_OK; | |
3691 | } | |
3692 | #ifdef CONFIG_QETH_PERF_STATS | |
3693 | card->perf_stats.outbound_cnt++; | |
3694 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
3695 | #endif | |
3696 | netif_stop_queue(dev); | |
3697 | if ((rc = qeth_send_packet(card, skb))) { | |
3698 | if (rc == -EBUSY) { | |
3699 | return NETDEV_TX_BUSY; | |
3700 | } else { | |
3701 | card->stats.tx_errors++; | |
3702 | card->stats.tx_dropped++; | |
3703 | dev_kfree_skb_any(skb); | |
3704 | /*set to OK; otherwise ksoftirqd goes to 100% */ | |
3705 | rc = NETDEV_TX_OK; | |
3706 | } | |
3707 | } | |
3708 | netif_wake_queue(dev); | |
3709 | #ifdef CONFIG_QETH_PERF_STATS | |
3710 | card->perf_stats.outbound_time += qeth_get_micros() - | |
3711 | card->perf_stats.outbound_start_time; | |
3712 | #endif | |
3713 | return rc; | |
3714 | } | |
3715 | ||
3716 | static int | |
3717 | qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card) | |
3718 | { | |
3719 | int rc = 0; | |
3720 | #ifdef CONFIG_QETH_VLAN | |
3721 | struct vlan_group *vg; | |
3722 | int i; | |
3723 | ||
3724 | if (!(vg = card->vlangrp)) | |
3725 | return rc; | |
3726 | ||
3727 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){ | |
3728 | if (vg->vlan_devices[i] == dev){ | |
3729 | rc = QETH_VLAN_CARD; | |
3730 | break; | |
3731 | } | |
3732 | } | |
6c6b3e7c FP |
3733 | if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card)) |
3734 | return 0; | |
3735 | ||
1da177e4 LT |
3736 | #endif |
3737 | return rc; | |
3738 | } | |
3739 | ||
3740 | static int | |
3741 | qeth_verify_dev(struct net_device *dev) | |
3742 | { | |
3743 | struct qeth_card *card; | |
3744 | unsigned long flags; | |
3745 | int rc = 0; | |
3746 | ||
3747 | read_lock_irqsave(&qeth_card_list.rwlock, flags); | |
3748 | list_for_each_entry(card, &qeth_card_list.list, list){ | |
3749 | if (card->dev == dev){ | |
3750 | rc = QETH_REAL_CARD; | |
3751 | break; | |
3752 | } | |
3753 | rc = qeth_verify_vlan_dev(dev, card); | |
3754 | if (rc) | |
3755 | break; | |
3756 | } | |
3757 | read_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
3758 | ||
3759 | return rc; | |
3760 | } | |
3761 | ||
3762 | static struct qeth_card * | |
3763 | qeth_get_card_from_dev(struct net_device *dev) | |
3764 | { | |
3765 | struct qeth_card *card = NULL; | |
3766 | int rc; | |
3767 | ||
3768 | rc = qeth_verify_dev(dev); | |
3769 | if (rc == QETH_REAL_CARD) | |
3770 | card = (struct qeth_card *)dev->priv; | |
3771 | else if (rc == QETH_VLAN_CARD) | |
3772 | card = (struct qeth_card *) | |
3773 | VLAN_DEV_INFO(dev)->real_dev->priv; | |
3774 | ||
3775 | QETH_DBF_TEXT_(trace, 4, "%d", rc); | |
3776 | return card ; | |
3777 | } | |
3778 | ||
3779 | static void | |
3780 | qeth_tx_timeout(struct net_device *dev) | |
3781 | { | |
3782 | struct qeth_card *card; | |
3783 | ||
3784 | card = (struct qeth_card *) dev->priv; | |
3785 | card->stats.tx_errors++; | |
3786 | qeth_schedule_recovery(card); | |
3787 | } | |
3788 | ||
3789 | static int | |
3790 | qeth_open(struct net_device *dev) | |
3791 | { | |
3792 | struct qeth_card *card; | |
3793 | ||
3794 | QETH_DBF_TEXT(trace, 4, "qethopen"); | |
3795 | ||
3796 | card = (struct qeth_card *) dev->priv; | |
3797 | ||
3798 | if (card->state != CARD_STATE_SOFTSETUP) | |
3799 | return -ENODEV; | |
3800 | ||
500f83ab UB |
3801 | if ( (card->info.type != QETH_CARD_TYPE_OSN) && |
3802 | (card->options.layer2) && | |
e08d88cc | 3803 | (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED))) { |
1da177e4 LT |
3804 | QETH_DBF_TEXT(trace,4,"nomacadr"); |
3805 | return -EPERM; | |
3806 | } | |
3807 | card->dev->flags |= IFF_UP; | |
3808 | netif_start_queue(dev); | |
3809 | card->data.state = CH_STATE_UP; | |
3810 | card->state = CARD_STATE_UP; | |
3811 | ||
4965e97f FP |
3812 | if (!card->lan_online && netif_carrier_ok(dev)) |
3813 | netif_carrier_off(dev); | |
1da177e4 LT |
3814 | return 0; |
3815 | } | |
3816 | ||
3817 | static int | |
3818 | qeth_stop(struct net_device *dev) | |
3819 | { | |
3820 | struct qeth_card *card; | |
3821 | ||
3822 | QETH_DBF_TEXT(trace, 4, "qethstop"); | |
3823 | ||
3824 | card = (struct qeth_card *) dev->priv; | |
3825 | ||
3826 | netif_stop_queue(dev); | |
3827 | card->dev->flags &= ~IFF_UP; | |
3828 | if (card->state == CARD_STATE_UP) | |
3829 | card->state = CARD_STATE_SOFTSETUP; | |
3830 | return 0; | |
3831 | } | |
3832 | ||
3833 | static inline int | |
3834 | qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) | |
3835 | { | |
3836 | int cast_type = RTN_UNSPEC; | |
3837 | ||
500f83ab UB |
3838 | if (card->info.type == QETH_CARD_TYPE_OSN) |
3839 | return cast_type; | |
3840 | ||
1da177e4 LT |
3841 | if (skb->dst && skb->dst->neighbour){ |
3842 | cast_type = skb->dst->neighbour->type; | |
3843 | if ((cast_type == RTN_BROADCAST) || | |
3844 | (cast_type == RTN_MULTICAST) || | |
3845 | (cast_type == RTN_ANYCAST)) | |
3846 | return cast_type; | |
3847 | else | |
3848 | return RTN_UNSPEC; | |
3849 | } | |
3850 | /* try something else */ | |
3851 | if (skb->protocol == ETH_P_IPV6) | |
3852 | return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0; | |
3853 | else if (skb->protocol == ETH_P_IP) | |
3854 | return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0; | |
3855 | /* ... */ | |
3856 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
3857 | return RTN_BROADCAST; | |
3858 | else { | |
3859 | u16 hdr_mac; | |
3860 | ||
3861 | hdr_mac = *((u16 *)skb->data); | |
3862 | /* tr multicast? */ | |
3863 | switch (card->info.link_type) { | |
3864 | case QETH_LINK_TYPE_HSTR: | |
3865 | case QETH_LINK_TYPE_LANE_TR: | |
3866 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
3867 | (hdr_mac == QETH_TR_MAC_C)) | |
3868 | return RTN_MULTICAST; | |
3869 | /* eth or so multicast? */ | |
3870 | default: | |
3871 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
3872 | (hdr_mac == QETH_ETH_MAC_V6)) | |
3873 | return RTN_MULTICAST; | |
3874 | } | |
3875 | } | |
3876 | return cast_type; | |
3877 | } | |
3878 | ||
3879 | static inline int | |
3880 | qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, | |
3881 | int ipv, int cast_type) | |
3882 | { | |
3883 | if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE)) | |
3884 | return card->qdio.default_out_queue; | |
3885 | switch (card->qdio.no_out_queues) { | |
3886 | case 4: | |
3887 | if (cast_type && card->info.is_multicast_different) | |
3888 | return card->info.is_multicast_different & | |
3889 | (card->qdio.no_out_queues - 1); | |
3890 | if (card->qdio.do_prio_queueing && (ipv == 4)) { | |
3891 | if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){ | |
3892 | if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT) | |
3893 | return 3; | |
3894 | if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY) | |
3895 | return 2; | |
3896 | if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT) | |
3897 | return 1; | |
3898 | if (skb->nh.iph->tos & IP_TOS_LOWDELAY) | |
3899 | return 0; | |
3900 | } | |
3901 | if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC) | |
3902 | return 3 - (skb->nh.iph->tos >> 6); | |
3903 | } else if (card->qdio.do_prio_queueing && (ipv == 6)) { | |
3904 | /* TODO: IPv6!!! */ | |
3905 | } | |
3906 | return card->qdio.default_out_queue; | |
3907 | case 1: /* fallthrough for single-out-queue 1920-device */ | |
3908 | default: | |
3909 | return card->qdio.default_out_queue; | |
3910 | } | |
3911 | } | |
3912 | ||
3913 | static inline int | |
3914 | qeth_get_ip_version(struct sk_buff *skb) | |
3915 | { | |
3916 | switch (skb->protocol) { | |
3917 | case ETH_P_IPV6: | |
3918 | return 6; | |
3919 | case ETH_P_IP: | |
3920 | return 4; | |
3921 | default: | |
3922 | return 0; | |
3923 | } | |
3924 | } | |
3925 | ||
3926 | static inline int | |
3927 | qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb, | |
3928 | struct qeth_hdr **hdr, int ipv) | |
3929 | { | |
500f83ab | 3930 | int rc = 0; |
1da177e4 LT |
3931 | #ifdef CONFIG_QETH_VLAN |
3932 | u16 *tag; | |
3933 | #endif | |
3934 | ||
3935 | QETH_DBF_TEXT(trace, 6, "prepskb"); | |
500f83ab UB |
3936 | if (card->info.type == QETH_CARD_TYPE_OSN) { |
3937 | *hdr = (struct qeth_hdr *)(*skb)->data; | |
3938 | return rc; | |
3939 | } | |
9cb90de8 FP |
3940 | rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr)); |
3941 | if (rc) | |
3942 | return rc; | |
1da177e4 LT |
3943 | #ifdef CONFIG_QETH_VLAN |
3944 | if (card->vlangrp && vlan_tx_tag_present(*skb) && | |
3945 | ((ipv == 6) || card->options.layer2) ) { | |
3946 | /* | |
3947 | * Move the mac addresses (6 bytes src, 6 bytes dest) | |
3948 | * to the beginning of the new header. We are using three | |
3949 | * memcpys instead of one memmove to save cycles. | |
3950 | */ | |
3951 | skb_push(*skb, VLAN_HLEN); | |
3952 | memcpy((*skb)->data, (*skb)->data + 4, 4); | |
3953 | memcpy((*skb)->data + 4, (*skb)->data + 8, 4); | |
3954 | memcpy((*skb)->data + 8, (*skb)->data + 12, 4); | |
3955 | tag = (u16 *)((*skb)->data + 12); | |
3956 | /* | |
3957 | * first two bytes = ETH_P_8021Q (0x8100) | |
3958 | * second two bytes = VLANID | |
3959 | */ | |
3960 | *tag = __constant_htons(ETH_P_8021Q); | |
3961 | *(tag + 1) = htons(vlan_tx_tag_get(*skb)); | |
3962 | } | |
3963 | #endif | |
3964 | *hdr = (struct qeth_hdr *) | |
3965 | qeth_push_skb(card, skb, sizeof(struct qeth_hdr)); | |
3966 | if (hdr == NULL) | |
3967 | return -EINVAL; | |
3968 | return 0; | |
3969 | } | |
3970 | ||
3971 | static inline u8 | |
3972 | qeth_get_qeth_hdr_flags4(int cast_type) | |
3973 | { | |
3974 | if (cast_type == RTN_MULTICAST) | |
3975 | return QETH_CAST_MULTICAST; | |
3976 | if (cast_type == RTN_BROADCAST) | |
3977 | return QETH_CAST_BROADCAST; | |
3978 | return QETH_CAST_UNICAST; | |
3979 | } | |
3980 | ||
3981 | static inline u8 | |
3982 | qeth_get_qeth_hdr_flags6(int cast_type) | |
3983 | { | |
3984 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
3985 | if (cast_type == RTN_MULTICAST) | |
3986 | return ct | QETH_CAST_MULTICAST; | |
3987 | if (cast_type == RTN_ANYCAST) | |
3988 | return ct | QETH_CAST_ANYCAST; | |
3989 | if (cast_type == RTN_BROADCAST) | |
3990 | return ct | QETH_CAST_BROADCAST; | |
3991 | return ct | QETH_CAST_UNICAST; | |
3992 | } | |
3993 | ||
3994 | static inline void | |
3995 | qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr, | |
3996 | struct sk_buff *skb) | |
3997 | { | |
3998 | __u16 hdr_mac; | |
3999 | ||
4000 | if (!memcmp(skb->data+QETH_HEADER_SIZE, | |
4001 | skb->dev->broadcast,6)) { /* broadcast? */ | |
4002 | *(__u32 *)hdr->hdr.l2.flags |= | |
4003 | QETH_LAYER2_FLAG_BROADCAST << 8; | |
4004 | return; | |
4005 | } | |
4006 | hdr_mac=*((__u16*)skb->data); | |
4007 | /* tr multicast? */ | |
4008 | switch (card->info.link_type) { | |
4009 | case QETH_LINK_TYPE_HSTR: | |
4010 | case QETH_LINK_TYPE_LANE_TR: | |
4011 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
4012 | (hdr_mac == QETH_TR_MAC_C) ) | |
4013 | *(__u32 *)hdr->hdr.l2.flags |= | |
4014 | QETH_LAYER2_FLAG_MULTICAST << 8; | |
4015 | else | |
4016 | *(__u32 *)hdr->hdr.l2.flags |= | |
4017 | QETH_LAYER2_FLAG_UNICAST << 8; | |
4018 | break; | |
4019 | /* eth or so multicast? */ | |
4020 | default: | |
4021 | if ( (hdr_mac==QETH_ETH_MAC_V4) || | |
4022 | (hdr_mac==QETH_ETH_MAC_V6) ) | |
4023 | *(__u32 *)hdr->hdr.l2.flags |= | |
4024 | QETH_LAYER2_FLAG_MULTICAST << 8; | |
4025 | else | |
4026 | *(__u32 *)hdr->hdr.l2.flags |= | |
4027 | QETH_LAYER2_FLAG_UNICAST << 8; | |
4028 | } | |
4029 | } | |
4030 | ||
4031 | static inline void | |
4032 | qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, | |
4033 | struct sk_buff *skb, int cast_type) | |
4034 | { | |
4035 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
4036 | hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; | |
4037 | ||
4038 | /* set byte 0 to "0x02" and byte 3 to casting flags */ | |
4039 | if (cast_type==RTN_MULTICAST) | |
4040 | *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8; | |
4041 | else if (cast_type==RTN_BROADCAST) | |
4042 | *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8; | |
4043 | else | |
4044 | qeth_layer2_get_packet_type(card, hdr, skb); | |
4045 | ||
4046 | hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; | |
4047 | #ifdef CONFIG_QETH_VLAN | |
4048 | /* VSWITCH relies on the VLAN | |
4049 | * information to be present in | |
4050 | * the QDIO header */ | |
4051 | if ((card->vlangrp != NULL) && | |
4052 | vlan_tx_tag_present(skb)) { | |
4053 | *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8; | |
4054 | hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb); | |
4055 | } | |
4056 | #endif | |
4057 | } | |
4058 | ||
4059 | void | |
4060 | qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, | |
4061 | struct sk_buff *skb, int ipv, int cast_type) | |
4062 | { | |
4063 | QETH_DBF_TEXT(trace, 6, "fillhdr"); | |
4064 | ||
4065 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
4066 | if (card->options.layer2) { | |
4067 | qeth_layer2_fill_header(card, hdr, skb, cast_type); | |
4068 | return; | |
4069 | } | |
4070 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
4071 | hdr->hdr.l3.ext_flags = 0; | |
4072 | #ifdef CONFIG_QETH_VLAN | |
4073 | /* | |
4074 | * before we're going to overwrite this location with next hop ip. | |
4075 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
4076 | */ | |
4077 | if (card->vlangrp && vlan_tx_tag_present(skb)) { | |
4078 | hdr->hdr.l3.ext_flags = (ipv == 4) ? | |
4079 | QETH_HDR_EXT_VLAN_FRAME : | |
4080 | QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
4081 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); | |
4082 | } | |
4083 | #endif /* CONFIG_QETH_VLAN */ | |
4084 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
4085 | if (ipv == 4) { /* IPv4 */ | |
4086 | hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type); | |
4087 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
4088 | if ((skb->dst) && (skb->dst->neighbour)) { | |
4089 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = | |
4090 | *((u32 *) skb->dst->neighbour->primary_key); | |
4091 | } else { | |
4092 | /* fill in destination address used in ip header */ | |
4093 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr; | |
4094 | } | |
4095 | } else if (ipv == 6) { /* IPv6 or passthru */ | |
4096 | hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type); | |
4097 | if ((skb->dst) && (skb->dst->neighbour)) { | |
4098 | memcpy(hdr->hdr.l3.dest_addr, | |
4099 | skb->dst->neighbour->primary_key, 16); | |
4100 | } else { | |
4101 | /* fill in destination address used in ip header */ | |
4102 | memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16); | |
4103 | } | |
4104 | } else { /* passthrough */ | |
e23dd9cd | 4105 | if((skb->dev->type == ARPHRD_IEEE802_TR) && |
9a455819 FP |
4106 | !memcmp(skb->data + sizeof(struct qeth_hdr) + |
4107 | sizeof(__u16), skb->dev->broadcast, 6)) { | |
4108 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
4109 | QETH_HDR_PASSTHRU; | |
e23dd9cd | 4110 | } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), |
1da177e4 | 4111 | skb->dev->broadcast, 6)) { /* broadcast? */ |
e23dd9cd FP |
4112 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | |
4113 | QETH_HDR_PASSTHRU; | |
1da177e4 LT |
4114 | } else { |
4115 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
4116 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
4117 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
4118 | } | |
4119 | } | |
4120 | } | |
4121 | ||
1da177e4 LT |
4122 | static inline void |
4123 | __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, | |
05e08a2a | 4124 | int is_tso, int *next_element_to_fill) |
1da177e4 LT |
4125 | { |
4126 | int length = skb->len; | |
4127 | int length_here; | |
4128 | int element; | |
4129 | char *data; | |
05e08a2a | 4130 | int first_lap ; |
1da177e4 LT |
4131 | |
4132 | element = *next_element_to_fill; | |
4133 | data = skb->data; | |
05e08a2a FP |
4134 | first_lap = (is_tso == 0 ? 1 : 0); |
4135 | ||
1da177e4 LT |
4136 | while (length > 0) { |
4137 | /* length_here is the remaining amount of data in this page */ | |
4138 | length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); | |
4139 | if (length < length_here) | |
4140 | length_here = length; | |
05e08a2a | 4141 | |
1da177e4 LT |
4142 | buffer->element[element].addr = data; |
4143 | buffer->element[element].length = length_here; | |
4144 | length -= length_here; | |
05e08a2a | 4145 | if (!length) { |
1da177e4 LT |
4146 | if (first_lap) |
4147 | buffer->element[element].flags = 0; | |
4148 | else | |
4149 | buffer->element[element].flags = | |
4150 | SBAL_FLAGS_LAST_FRAG; | |
4151 | } else { | |
4152 | if (first_lap) | |
4153 | buffer->element[element].flags = | |
4154 | SBAL_FLAGS_FIRST_FRAG; | |
4155 | else | |
4156 | buffer->element[element].flags = | |
4157 | SBAL_FLAGS_MIDDLE_FRAG; | |
4158 | } | |
4159 | data += length_here; | |
4160 | element++; | |
4161 | first_lap = 0; | |
4162 | } | |
4163 | *next_element_to_fill = element; | |
4164 | } | |
4165 | ||
4166 | static inline int | |
4167 | qeth_fill_buffer(struct qeth_qdio_out_q *queue, | |
4168 | struct qeth_qdio_out_buffer *buf, | |
4169 | struct sk_buff *skb) | |
4170 | { | |
4171 | struct qdio_buffer *buffer; | |
05e08a2a FP |
4172 | struct qeth_hdr_tso *hdr; |
4173 | int flush_cnt = 0, hdr_len, large_send = 0; | |
1da177e4 LT |
4174 | |
4175 | QETH_DBF_TEXT(trace, 6, "qdfillbf"); | |
05e08a2a | 4176 | |
1da177e4 LT |
4177 | buffer = buf->buffer; |
4178 | atomic_inc(&skb->users); | |
4179 | skb_queue_tail(&buf->skb_list, skb); | |
05e08a2a FP |
4180 | |
4181 | hdr = (struct qeth_hdr_tso *) skb->data; | |
4182 | /*check first on TSO ....*/ | |
4183 | if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) { | |
4184 | int element = buf->next_element_to_fill; | |
4185 | ||
4186 | hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len; | |
4187 | /*fill first buffer entry only with header information */ | |
4188 | buffer->element[element].addr = skb->data; | |
4189 | buffer->element[element].length = hdr_len; | |
4190 | buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG; | |
4191 | buf->next_element_to_fill++; | |
4192 | skb->data += hdr_len; | |
4193 | skb->len -= hdr_len; | |
4194 | large_send = 1; | |
4195 | } | |
1da177e4 | 4196 | if (skb_shinfo(skb)->nr_frags == 0) |
05e08a2a | 4197 | __qeth_fill_buffer(skb, buffer, large_send, |
1da177e4 LT |
4198 | (int *)&buf->next_element_to_fill); |
4199 | else | |
05e08a2a | 4200 | __qeth_fill_buffer_frag(skb, buffer, large_send, |
1da177e4 LT |
4201 | (int *)&buf->next_element_to_fill); |
4202 | ||
4203 | if (!queue->do_pack) { | |
4204 | QETH_DBF_TEXT(trace, 6, "fillbfnp"); | |
4205 | /* set state to PRIMED -> will be flushed */ | |
4206 | atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); | |
4207 | flush_cnt = 1; | |
4208 | } else { | |
4209 | QETH_DBF_TEXT(trace, 6, "fillbfpa"); | |
4210 | #ifdef CONFIG_QETH_PERF_STATS | |
4211 | queue->card->perf_stats.skbs_sent_pack++; | |
4212 | #endif | |
4213 | if (buf->next_element_to_fill >= | |
4214 | QETH_MAX_BUFFER_ELEMENTS(queue->card)) { | |
4215 | /* | |
4216 | * packed buffer if full -> set state PRIMED | |
4217 | * -> will be flushed | |
4218 | */ | |
4219 | atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); | |
4220 | flush_cnt = 1; | |
4221 | } | |
4222 | } | |
4223 | return flush_cnt; | |
4224 | } | |
4225 | ||
4226 | static inline int | |
4227 | qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue, | |
4228 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
4229 | int elements_needed, | |
4230 | struct qeth_eddp_context *ctx) | |
4231 | { | |
4232 | struct qeth_qdio_out_buffer *buffer; | |
4233 | int buffers_needed = 0; | |
4234 | int flush_cnt = 0; | |
4235 | int index; | |
4236 | ||
4237 | QETH_DBF_TEXT(trace, 6, "dosndpfa"); | |
4238 | ||
4239 | /* spin until we get the queue ... */ | |
973bd993 MS |
4240 | while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, |
4241 | QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); | |
1da177e4 LT |
4242 | /* ... now we've got the queue */ |
4243 | index = queue->next_buf_to_fill; | |
4244 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
4245 | /* | |
4246 | * check if buffer is empty to make sure that we do not 'overtake' | |
4247 | * ourselves and try to fill a buffer that is already primed | |
4248 | */ | |
4249 | if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) { | |
4250 | card->stats.tx_dropped++; | |
4251 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4252 | return -EBUSY; | |
4253 | } | |
4254 | if (ctx == NULL) | |
4255 | queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % | |
4256 | QDIO_MAX_BUFFERS_PER_Q; | |
4257 | else { | |
4258 | buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx); | |
4259 | if (buffers_needed < 0) { | |
4260 | card->stats.tx_dropped++; | |
4261 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4262 | return -EBUSY; | |
4263 | } | |
4264 | queue->next_buf_to_fill = | |
4265 | (queue->next_buf_to_fill + buffers_needed) % | |
4266 | QDIO_MAX_BUFFERS_PER_Q; | |
4267 | } | |
4268 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4269 | if (ctx == NULL) { | |
4270 | qeth_fill_buffer(queue, buffer, skb); | |
4271 | qeth_flush_buffers(queue, 0, index, 1); | |
4272 | } else { | |
4273 | flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index); | |
4274 | WARN_ON(buffers_needed != flush_cnt); | |
4275 | qeth_flush_buffers(queue, 0, index, flush_cnt); | |
4276 | } | |
4277 | return 0; | |
4278 | } | |
4279 | ||
4280 | static inline int | |
4281 | qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, | |
4282 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
4283 | int elements_needed, struct qeth_eddp_context *ctx) | |
4284 | { | |
4285 | struct qeth_qdio_out_buffer *buffer; | |
4286 | int start_index; | |
4287 | int flush_count = 0; | |
4288 | int do_pack = 0; | |
4289 | int tmp; | |
4290 | int rc = 0; | |
4291 | ||
4292 | QETH_DBF_TEXT(trace, 6, "dosndpkt"); | |
4293 | ||
4294 | /* spin until we get the queue ... */ | |
973bd993 MS |
4295 | while (atomic_cmpxchg(&queue->state, QETH_OUT_Q_UNLOCKED, |
4296 | QETH_OUT_Q_LOCKED) != QETH_OUT_Q_UNLOCKED); | |
1da177e4 LT |
4297 | start_index = queue->next_buf_to_fill; |
4298 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
4299 | /* | |
4300 | * check if buffer is empty to make sure that we do not 'overtake' | |
4301 | * ourselves and try to fill a buffer that is already primed | |
4302 | */ | |
4303 | if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){ | |
4304 | card->stats.tx_dropped++; | |
4305 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4306 | return -EBUSY; | |
4307 | } | |
4308 | /* check if we need to switch packing state of this queue */ | |
4309 | qeth_switch_to_packing_if_needed(queue); | |
4310 | if (queue->do_pack){ | |
4311 | do_pack = 1; | |
4312 | if (ctx == NULL) { | |
4313 | /* does packet fit in current buffer? */ | |
4314 | if((QETH_MAX_BUFFER_ELEMENTS(card) - | |
4315 | buffer->next_element_to_fill) < elements_needed){ | |
4316 | /* ... no -> set state PRIMED */ | |
4317 | atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED); | |
4318 | flush_count++; | |
4319 | queue->next_buf_to_fill = | |
4320 | (queue->next_buf_to_fill + 1) % | |
4321 | QDIO_MAX_BUFFERS_PER_Q; | |
4322 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
4323 | /* we did a step forward, so check buffer state | |
4324 | * again */ | |
4325 | if (atomic_read(&buffer->state) != | |
4326 | QETH_QDIO_BUF_EMPTY){ | |
4327 | card->stats.tx_dropped++; | |
4328 | qeth_flush_buffers(queue, 0, start_index, flush_count); | |
4329 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4330 | return -EBUSY; | |
4331 | } | |
4332 | } | |
4333 | } else { | |
4334 | /* check if we have enough elements (including following | |
4335 | * free buffers) to handle eddp context */ | |
4336 | if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){ | |
4337 | printk("eddp tx_dropped 1\n"); | |
4338 | card->stats.tx_dropped++; | |
4339 | rc = -EBUSY; | |
4340 | goto out; | |
4341 | } | |
4342 | } | |
4343 | } | |
4344 | if (ctx == NULL) | |
4345 | tmp = qeth_fill_buffer(queue, buffer, skb); | |
4346 | else { | |
4347 | tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill); | |
4348 | if (tmp < 0) { | |
4349 | printk("eddp tx_dropped 2\n"); | |
4350 | card->stats.tx_dropped++; | |
4351 | rc = - EBUSY; | |
4352 | goto out; | |
4353 | } | |
4354 | } | |
4355 | queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) % | |
4356 | QDIO_MAX_BUFFERS_PER_Q; | |
4357 | flush_count += tmp; | |
4358 | out: | |
4359 | if (flush_count) | |
4360 | qeth_flush_buffers(queue, 0, start_index, flush_count); | |
d805d7c6 FP |
4361 | else if (!atomic_read(&queue->set_pci_flags_count)) |
4362 | atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH); | |
1da177e4 LT |
4363 | /* |
4364 | * queue->state will go from LOCKED -> UNLOCKED or from | |
4365 | * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us | |
4366 | * (switch packing state or flush buffer to get another pci flag out). | |
4367 | * In that case we will enter this loop | |
4368 | */ | |
4369 | while (atomic_dec_return(&queue->state)){ | |
4370 | flush_count = 0; | |
4371 | start_index = queue->next_buf_to_fill; | |
4372 | /* check if we can go back to non-packing state */ | |
4373 | flush_count += qeth_switch_to_nonpacking_if_needed(queue); | |
4374 | /* | |
4375 | * check if we need to flush a packing buffer to get a pci | |
4376 | * flag out on the queue | |
4377 | */ | |
4378 | if (!flush_count && !atomic_read(&queue->set_pci_flags_count)) | |
4379 | flush_count += qeth_flush_buffers_on_no_pci(queue); | |
4380 | if (flush_count) | |
4381 | qeth_flush_buffers(queue, 0, start_index, flush_count); | |
4382 | } | |
4383 | /* at this point the queue is UNLOCKED again */ | |
4384 | #ifdef CONFIG_QETH_PERF_STATS | |
4385 | if (do_pack) | |
4386 | queue->card->perf_stats.bufs_sent_pack += flush_count; | |
4387 | #endif /* CONFIG_QETH_PERF_STATS */ | |
4388 | ||
4389 | return rc; | |
4390 | } | |
4391 | ||
05e08a2a | 4392 | static inline int |
9cb90de8 FP |
4393 | qeth_get_elements_no(struct qeth_card *card, void *hdr, |
4394 | struct sk_buff *skb, int elems) | |
05e08a2a FP |
4395 | { |
4396 | int elements_needed = 0; | |
4397 | ||
4398 | if (skb_shinfo(skb)->nr_frags > 0) { | |
4399 | elements_needed = (skb_shinfo(skb)->nr_frags + 1); | |
4400 | } | |
4401 | if (elements_needed == 0 ) | |
4402 | elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) | |
4403 | + skb->len) >> PAGE_SHIFT); | |
9cb90de8 | 4404 | if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){ |
05e08a2a | 4405 | PRINT_ERR("qeth_do_send_packet: invalid size of " |
9cb90de8 FP |
4406 | "IP packet (Number=%d / Length=%d). Discarded.\n", |
4407 | (elements_needed+elems), skb->len); | |
05e08a2a FP |
4408 | return 0; |
4409 | } | |
4410 | return elements_needed; | |
4411 | } | |
4412 | ||
1da177e4 LT |
4413 | static inline int |
4414 | qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) | |
4415 | { | |
4416 | int ipv = 0; | |
4417 | int cast_type; | |
4418 | struct qeth_qdio_out_q *queue; | |
f3d242e8 | 4419 | struct qeth_hdr *hdr = NULL; |
1da177e4 LT |
4420 | int elements_needed = 0; |
4421 | enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO; | |
4422 | struct qeth_eddp_context *ctx = NULL; | |
4423 | int rc; | |
4424 | ||
4425 | QETH_DBF_TEXT(trace, 6, "sendpkt"); | |
4426 | ||
4427 | if (!card->options.layer2) { | |
4428 | ipv = qeth_get_ip_version(skb); | |
4429 | if ((card->dev->hard_header == qeth_fake_header) && ipv) { | |
4430 | if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) { | |
4431 | card->stats.tx_dropped++; | |
4432 | dev_kfree_skb_irq(skb); | |
4433 | return 0; | |
4434 | } | |
e23dd9cd FP |
4435 | if(card->dev->type == ARPHRD_IEEE802_TR){ |
4436 | skb_pull(skb, QETH_FAKE_LL_LEN_TR); | |
4437 | } else { | |
4438 | skb_pull(skb, QETH_FAKE_LL_LEN_ETH); | |
4439 | } | |
1da177e4 LT |
4440 | } |
4441 | } | |
500f83ab UB |
4442 | if ((card->info.type == QETH_CARD_TYPE_OSN) && |
4443 | (skb->protocol == htons(ETH_P_IPV6))) { | |
4444 | dev_kfree_skb_any(skb); | |
4445 | return 0; | |
4446 | } | |
1da177e4 | 4447 | cast_type = qeth_get_cast_type(card, skb); |
500f83ab UB |
4448 | if ((cast_type == RTN_BROADCAST) && |
4449 | (card->info.broadcast_capable == 0)){ | |
1da177e4 LT |
4450 | card->stats.tx_dropped++; |
4451 | card->stats.tx_errors++; | |
4452 | dev_kfree_skb_any(skb); | |
4453 | return NETDEV_TX_OK; | |
4454 | } | |
4455 | queue = card->qdio.out_qs | |
4456 | [qeth_get_priority_queue(card, skb, ipv, cast_type)]; | |
4457 | ||
4458 | if (skb_shinfo(skb)->tso_size) | |
4459 | large_send = card->options.large_send; | |
4460 | ||
1da177e4 LT |
4461 | /*are we able to do TSO ? If so ,prepare and send it from here */ |
4462 | if ((large_send == QETH_LARGE_SEND_TSO) && | |
4463 | (cast_type == RTN_UNSPEC)) { | |
05e08a2a FP |
4464 | rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type); |
4465 | if (rc) { | |
4466 | card->stats.tx_dropped++; | |
4467 | card->stats.tx_errors++; | |
4468 | dev_kfree_skb_any(skb); | |
4469 | return NETDEV_TX_OK; | |
4470 | } | |
4471 | elements_needed++; | |
4472 | } else { | |
4473 | if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) { | |
4474 | QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc); | |
4475 | return rc; | |
4476 | } | |
500f83ab UB |
4477 | if (card->info.type != QETH_CARD_TYPE_OSN) |
4478 | qeth_fill_header(card, hdr, skb, ipv, cast_type); | |
1da177e4 LT |
4479 | } |
4480 | ||
1da177e4 LT |
4481 | if (large_send == QETH_LARGE_SEND_EDDP) { |
4482 | ctx = qeth_eddp_create_context(card, skb, hdr); | |
4483 | if (ctx == NULL) { | |
4484 | PRINT_WARN("could not create eddp context\n"); | |
4485 | return -EINVAL; | |
4486 | } | |
4487 | } else { | |
9cb90de8 FP |
4488 | int elems = qeth_get_elements_no(card,(void*) hdr, skb, |
4489 | elements_needed); | |
4490 | if (!elems) | |
1da177e4 | 4491 | return -EINVAL; |
9cb90de8 | 4492 | elements_needed += elems; |
1da177e4 LT |
4493 | } |
4494 | ||
4495 | if (card->info.type != QETH_CARD_TYPE_IQD) | |
4496 | rc = qeth_do_send_packet(card, queue, skb, hdr, | |
4497 | elements_needed, ctx); | |
4498 | else | |
4499 | rc = qeth_do_send_packet_fast(card, queue, skb, hdr, | |
4500 | elements_needed, ctx); | |
1da177e4 LT |
4501 | if (!rc){ |
4502 | card->stats.tx_packets++; | |
4503 | card->stats.tx_bytes += skb->len; | |
4504 | #ifdef CONFIG_QETH_PERF_STATS | |
05e08a2a FP |
4505 | if (skb_shinfo(skb)->tso_size && |
4506 | !(large_send == QETH_LARGE_SEND_NO)) { | |
1da177e4 LT |
4507 | card->perf_stats.large_send_bytes += skb->len; |
4508 | card->perf_stats.large_send_cnt++; | |
4509 | } | |
4510 | if (skb_shinfo(skb)->nr_frags > 0){ | |
4511 | card->perf_stats.sg_skbs_sent++; | |
4512 | /* nr_frags + skb->data */ | |
4513 | card->perf_stats.sg_frags_sent += | |
4514 | skb_shinfo(skb)->nr_frags + 1; | |
4515 | } | |
4516 | #endif /* CONFIG_QETH_PERF_STATS */ | |
4517 | } | |
4518 | if (ctx != NULL) { | |
4519 | /* drop creator's reference */ | |
4520 | qeth_eddp_put_context(ctx); | |
4521 | /* free skb; it's not referenced by a buffer */ | |
4522 | if (rc == 0) | |
4523 | dev_kfree_skb_any(skb); | |
4524 | ||
4525 | } | |
4526 | return rc; | |
4527 | } | |
4528 | ||
4529 | static int | |
4530 | qeth_mdio_read(struct net_device *dev, int phy_id, int regnum) | |
4531 | { | |
4532 | struct qeth_card *card = (struct qeth_card *) dev->priv; | |
4533 | int rc = 0; | |
4534 | ||
4535 | switch(regnum){ | |
4536 | case MII_BMCR: /* Basic mode control register */ | |
4537 | rc = BMCR_FULLDPLX; | |
4538 | if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&& | |
500f83ab | 4539 | (card->info.link_type != QETH_LINK_TYPE_OSN) && |
1da177e4 LT |
4540 | (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH)) |
4541 | rc |= BMCR_SPEED100; | |
4542 | break; | |
4543 | case MII_BMSR: /* Basic mode status register */ | |
4544 | rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS | | |
4545 | BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL | | |
4546 | BMSR_100BASE4; | |
4547 | break; | |
4548 | case MII_PHYSID1: /* PHYS ID 1 */ | |
4549 | rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) | | |
4550 | dev->dev_addr[2]; | |
4551 | rc = (rc >> 5) & 0xFFFF; | |
4552 | break; | |
4553 | case MII_PHYSID2: /* PHYS ID 2 */ | |
4554 | rc = (dev->dev_addr[2] << 10) & 0xFFFF; | |
4555 | break; | |
4556 | case MII_ADVERTISE: /* Advertisement control reg */ | |
4557 | rc = ADVERTISE_ALL; | |
4558 | break; | |
4559 | case MII_LPA: /* Link partner ability reg */ | |
4560 | rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL | | |
4561 | LPA_100BASE4 | LPA_LPACK; | |
4562 | break; | |
4563 | case MII_EXPANSION: /* Expansion register */ | |
4564 | break; | |
4565 | case MII_DCOUNTER: /* disconnect counter */ | |
4566 | break; | |
4567 | case MII_FCSCOUNTER: /* false carrier counter */ | |
4568 | break; | |
4569 | case MII_NWAYTEST: /* N-way auto-neg test register */ | |
4570 | break; | |
4571 | case MII_RERRCOUNTER: /* rx error counter */ | |
4572 | rc = card->stats.rx_errors; | |
4573 | break; | |
4574 | case MII_SREVISION: /* silicon revision */ | |
4575 | break; | |
4576 | case MII_RESV1: /* reserved 1 */ | |
4577 | break; | |
4578 | case MII_LBRERROR: /* loopback, rx, bypass error */ | |
4579 | break; | |
4580 | case MII_PHYADDR: /* physical address */ | |
4581 | break; | |
4582 | case MII_RESV2: /* reserved 2 */ | |
4583 | break; | |
4584 | case MII_TPISTATUS: /* TPI status for 10mbps */ | |
4585 | break; | |
4586 | case MII_NCONFIG: /* network interface config */ | |
4587 | break; | |
4588 | default: | |
4589 | rc = 0; | |
4590 | break; | |
4591 | } | |
4592 | return rc; | |
4593 | } | |
4594 | ||
4595 | static void | |
4596 | qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value) | |
4597 | { | |
4598 | switch(regnum){ | |
4599 | case MII_BMCR: /* Basic mode control register */ | |
4600 | case MII_BMSR: /* Basic mode status register */ | |
4601 | case MII_PHYSID1: /* PHYS ID 1 */ | |
4602 | case MII_PHYSID2: /* PHYS ID 2 */ | |
4603 | case MII_ADVERTISE: /* Advertisement control reg */ | |
4604 | case MII_LPA: /* Link partner ability reg */ | |
4605 | case MII_EXPANSION: /* Expansion register */ | |
4606 | case MII_DCOUNTER: /* disconnect counter */ | |
4607 | case MII_FCSCOUNTER: /* false carrier counter */ | |
4608 | case MII_NWAYTEST: /* N-way auto-neg test register */ | |
4609 | case MII_RERRCOUNTER: /* rx error counter */ | |
4610 | case MII_SREVISION: /* silicon revision */ | |
4611 | case MII_RESV1: /* reserved 1 */ | |
4612 | case MII_LBRERROR: /* loopback, rx, bypass error */ | |
4613 | case MII_PHYADDR: /* physical address */ | |
4614 | case MII_RESV2: /* reserved 2 */ | |
4615 | case MII_TPISTATUS: /* TPI status for 10mbps */ | |
4616 | case MII_NCONFIG: /* network interface config */ | |
4617 | default: | |
4618 | break; | |
4619 | } | |
4620 | } | |
4621 | ||
4622 | static inline const char * | |
4623 | qeth_arp_get_error_cause(int *rc) | |
4624 | { | |
4625 | switch (*rc) { | |
4626 | case QETH_IPA_ARP_RC_FAILED: | |
4627 | *rc = -EIO; | |
4628 | return "operation failed"; | |
4629 | case QETH_IPA_ARP_RC_NOTSUPP: | |
4630 | *rc = -EOPNOTSUPP; | |
4631 | return "operation not supported"; | |
4632 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
4633 | *rc = -EINVAL; | |
4634 | return "argument out of range"; | |
4635 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
4636 | *rc = -EOPNOTSUPP; | |
4637 | return "query operation not supported"; | |
4638 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
4639 | *rc = -ENOENT; | |
4640 | return "no query data available"; | |
4641 | default: | |
4642 | return "unknown error"; | |
4643 | } | |
4644 | } | |
4645 | ||
4646 | static int | |
4647 | qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, | |
4648 | __u16, long); | |
4649 | ||
4650 | static int | |
4651 | qeth_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
4652 | { | |
4653 | int tmp; | |
4654 | int rc; | |
4655 | ||
4656 | QETH_DBF_TEXT(trace,3,"arpstnoe"); | |
4657 | ||
f3d242e8 FP |
4658 | /* |
4659 | * currently GuestLAN only supports the ARP assist function | |
4660 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
4661 | * thus we say EOPNOTSUPP for this ARP function | |
4662 | */ | |
1da177e4 LT |
4663 | if (card->info.guestlan) |
4664 | return -EOPNOTSUPP; | |
4665 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
4666 | PRINT_WARN("ARP processing not supported " | |
4667 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4668 | return -EOPNOTSUPP; | |
4669 | } | |
4670 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
4671 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, | |
4672 | no_entries); | |
4673 | if (rc) { | |
4674 | tmp = rc; | |
4675 | PRINT_WARN("Could not set number of ARP entries on %s: " | |
4676 | "%s (0x%x/%d)\n", | |
4677 | QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), | |
4678 | tmp, tmp); | |
4679 | } | |
4680 | return rc; | |
4681 | } | |
4682 | ||
4683 | static inline void | |
4684 | qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo, | |
4685 | struct qeth_arp_query_data *qdata, | |
4686 | int entry_size, int uentry_size) | |
4687 | { | |
4688 | char *entry_ptr; | |
4689 | char *uentry_ptr; | |
4690 | int i; | |
4691 | ||
4692 | entry_ptr = (char *)&qdata->data; | |
4693 | uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset); | |
4694 | for (i = 0; i < qdata->no_entries; ++i){ | |
4695 | /* strip off 32 bytes "media specific information" */ | |
4696 | memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32); | |
4697 | entry_ptr += entry_size; | |
4698 | uentry_ptr += uentry_size; | |
4699 | } | |
4700 | } | |
4701 | ||
4702 | static int | |
4703 | qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply, | |
4704 | unsigned long data) | |
4705 | { | |
4706 | struct qeth_ipa_cmd *cmd; | |
4707 | struct qeth_arp_query_data *qdata; | |
4708 | struct qeth_arp_query_info *qinfo; | |
4709 | int entry_size; | |
4710 | int uentry_size; | |
4711 | int i; | |
4712 | ||
4713 | QETH_DBF_TEXT(trace,4,"arpquecb"); | |
4714 | ||
4715 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
4716 | cmd = (struct qeth_ipa_cmd *) data; | |
4717 | if (cmd->hdr.return_code) { | |
4718 | QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code); | |
4719 | return 0; | |
4720 | } | |
4721 | if (cmd->data.setassparms.hdr.return_code) { | |
4722 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
4723 | QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code); | |
4724 | return 0; | |
4725 | } | |
4726 | qdata = &cmd->data.setassparms.data.query_arp; | |
4727 | switch(qdata->reply_bits){ | |
4728 | case 5: | |
4729 | uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5); | |
4730 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
4731 | uentry_size = sizeof(struct qeth_arp_qi_entry5_short); | |
4732 | break; | |
4733 | case 7: | |
4734 | /* fall through to default */ | |
4735 | default: | |
4736 | /* tr is the same as eth -> entry7 */ | |
4737 | uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7); | |
4738 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
4739 | uentry_size = sizeof(struct qeth_arp_qi_entry7_short); | |
4740 | break; | |
4741 | } | |
4742 | /* check if there is enough room in userspace */ | |
4743 | if ((qinfo->udata_len - qinfo->udata_offset) < | |
4744 | qdata->no_entries * uentry_size){ | |
4745 | QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM); | |
4746 | cmd->hdr.return_code = -ENOMEM; | |
4747 | PRINT_WARN("query ARP user space buffer is too small for " | |
4748 | "the returned number of ARP entries. " | |
4749 | "Aborting query!\n"); | |
4750 | goto out_error; | |
4751 | } | |
4752 | QETH_DBF_TEXT_(trace, 4, "anore%i", | |
4753 | cmd->data.setassparms.hdr.number_of_replies); | |
4754 | QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no); | |
4755 | QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries); | |
4756 | ||
4757 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) { | |
4758 | /* strip off "media specific information" */ | |
4759 | qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size, | |
4760 | uentry_size); | |
4761 | } else | |
4762 | /*copy entries to user buffer*/ | |
4763 | memcpy(qinfo->udata + qinfo->udata_offset, | |
4764 | (char *)&qdata->data, qdata->no_entries*uentry_size); | |
4765 | ||
4766 | qinfo->no_entries += qdata->no_entries; | |
4767 | qinfo->udata_offset += (qdata->no_entries*uentry_size); | |
4768 | /* check if all replies received ... */ | |
4769 | if (cmd->data.setassparms.hdr.seq_no < | |
4770 | cmd->data.setassparms.hdr.number_of_replies) | |
4771 | return 1; | |
4772 | memcpy(qinfo->udata, &qinfo->no_entries, 4); | |
4773 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
4774 | * stripped entries from normal ones */ | |
4775 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
4776 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
4777 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2); | |
4778 | return 0; | |
4779 | out_error: | |
4780 | i = 0; | |
4781 | memcpy(qinfo->udata, &i, 4); | |
4782 | return 0; | |
4783 | } | |
4784 | ||
4785 | static int | |
4786 | qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
4787 | int len, int (*reply_cb)(struct qeth_card *, | |
4788 | struct qeth_reply *, | |
4789 | unsigned long), | |
4790 | void *reply_param) | |
4791 | { | |
4792 | QETH_DBF_TEXT(trace,4,"sendarp"); | |
4793 | ||
4794 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
4795 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
4796 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
4797 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
4798 | reply_cb, reply_param); | |
4799 | } | |
4800 | ||
4801 | static int | |
4802 | qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
4803 | int len, int (*reply_cb)(struct qeth_card *, | |
4804 | struct qeth_reply *, | |
4805 | unsigned long), | |
4806 | void *reply_param) | |
4807 | { | |
4808 | u16 s1, s2; | |
4809 | ||
4810 | QETH_DBF_TEXT(trace,4,"sendsnmp"); | |
4811 | ||
4812 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
4813 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
4814 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
4815 | /* adjust PDU length fields in IPA_PDU_HEADER */ | |
4816 | s1 = (u32) IPA_PDU_HEADER_SIZE + len; | |
4817 | s2 = (u32) len; | |
4818 | memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); | |
4819 | memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); | |
4820 | memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); | |
4821 | memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); | |
4822 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
4823 | reply_cb, reply_param); | |
4824 | } | |
4825 | ||
4826 | static struct qeth_cmd_buffer * | |
4827 | qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs, | |
4828 | __u16, __u16, enum qeth_prot_versions); | |
4829 | static int | |
4830 | qeth_arp_query(struct qeth_card *card, char *udata) | |
4831 | { | |
4832 | struct qeth_cmd_buffer *iob; | |
4833 | struct qeth_arp_query_info qinfo = {0, }; | |
4834 | int tmp; | |
4835 | int rc; | |
4836 | ||
4837 | QETH_DBF_TEXT(trace,3,"arpquery"); | |
4838 | ||
1da177e4 LT |
4839 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ |
4840 | IPA_ARP_PROCESSING)) { | |
4841 | PRINT_WARN("ARP processing not supported " | |
4842 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4843 | return -EOPNOTSUPP; | |
4844 | } | |
4845 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
4846 | if (copy_from_user(&qinfo, udata, 6)) | |
4847 | return -EFAULT; | |
4848 | if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))) | |
4849 | return -ENOMEM; | |
4850 | memset(qinfo.udata, 0, qinfo.udata_len); | |
4851 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; | |
4852 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
4853 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
4854 | sizeof(int),QETH_PROT_IPV4); | |
4855 | ||
4856 | rc = qeth_send_ipa_arp_cmd(card, iob, | |
4857 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
4858 | qeth_arp_query_cb, (void *)&qinfo); | |
4859 | if (rc) { | |
4860 | tmp = rc; | |
4861 | PRINT_WARN("Error while querying ARP cache on %s: %s " | |
4862 | "(0x%x/%d)\n", | |
4863 | QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), | |
4864 | tmp, tmp); | |
4865 | copy_to_user(udata, qinfo.udata, 4); | |
4866 | } else { | |
4867 | copy_to_user(udata, qinfo.udata, qinfo.udata_len); | |
4868 | } | |
4869 | kfree(qinfo.udata); | |
4870 | return rc; | |
4871 | } | |
4872 | ||
4873 | /** | |
4874 | * SNMP command callback | |
4875 | */ | |
4876 | static int | |
4877 | qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply, | |
4878 | unsigned long sdata) | |
4879 | { | |
4880 | struct qeth_ipa_cmd *cmd; | |
4881 | struct qeth_arp_query_info *qinfo; | |
4882 | struct qeth_snmp_cmd *snmp; | |
4883 | unsigned char *data; | |
4884 | __u16 data_len; | |
4885 | ||
4886 | QETH_DBF_TEXT(trace,3,"snpcmdcb"); | |
4887 | ||
4888 | cmd = (struct qeth_ipa_cmd *) sdata; | |
4889 | data = (unsigned char *)((char *)cmd - reply->offset); | |
4890 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
4891 | snmp = &cmd->data.setadapterparms.data.snmp; | |
4892 | ||
4893 | if (cmd->hdr.return_code) { | |
4894 | QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code); | |
4895 | return 0; | |
4896 | } | |
4897 | if (cmd->data.setadapterparms.hdr.return_code) { | |
4898 | cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; | |
4899 | QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code); | |
4900 | return 0; | |
4901 | } | |
4902 | data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data)); | |
4903 | if (cmd->data.setadapterparms.hdr.seq_no == 1) | |
4904 | data_len -= (__u16)((char *)&snmp->data - (char *)cmd); | |
4905 | else | |
4906 | data_len -= (__u16)((char*)&snmp->request - (char *)cmd); | |
4907 | ||
4908 | /* check if there is enough room in userspace */ | |
4909 | if ((qinfo->udata_len - qinfo->udata_offset) < data_len) { | |
4910 | QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM); | |
4911 | cmd->hdr.return_code = -ENOMEM; | |
4912 | return 0; | |
4913 | } | |
4914 | QETH_DBF_TEXT_(trace, 4, "snore%i", | |
4915 | cmd->data.setadapterparms.hdr.used_total); | |
4916 | QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no); | |
4917 | /*copy entries to user buffer*/ | |
4918 | if (cmd->data.setadapterparms.hdr.seq_no == 1) { | |
4919 | memcpy(qinfo->udata + qinfo->udata_offset, | |
4920 | (char *)snmp, | |
4921 | data_len + offsetof(struct qeth_snmp_cmd,data)); | |
4922 | qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data); | |
4923 | } else { | |
4924 | memcpy(qinfo->udata + qinfo->udata_offset, | |
4925 | (char *)&snmp->request, data_len); | |
4926 | } | |
4927 | qinfo->udata_offset += data_len; | |
4928 | /* check if all replies received ... */ | |
4929 | QETH_DBF_TEXT_(trace, 4, "srtot%i", | |
4930 | cmd->data.setadapterparms.hdr.used_total); | |
4931 | QETH_DBF_TEXT_(trace, 4, "srseq%i", | |
4932 | cmd->data.setadapterparms.hdr.seq_no); | |
4933 | if (cmd->data.setadapterparms.hdr.seq_no < | |
4934 | cmd->data.setadapterparms.hdr.used_total) | |
4935 | return 1; | |
4936 | return 0; | |
4937 | } | |
4938 | ||
4939 | static struct qeth_cmd_buffer * | |
4940 | qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds, | |
4941 | enum qeth_prot_versions ); | |
4942 | ||
4943 | static struct qeth_cmd_buffer * | |
4944 | qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen) | |
4945 | { | |
4946 | struct qeth_cmd_buffer *iob; | |
4947 | struct qeth_ipa_cmd *cmd; | |
4948 | ||
4949 | iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS, | |
4950 | QETH_PROT_IPV4); | |
4951 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
4952 | cmd->data.setadapterparms.hdr.cmdlength = cmdlen; | |
4953 | cmd->data.setadapterparms.hdr.command_code = command; | |
4954 | cmd->data.setadapterparms.hdr.used_total = 1; | |
4955 | cmd->data.setadapterparms.hdr.seq_no = 1; | |
4956 | ||
4957 | return iob; | |
4958 | } | |
4959 | ||
4960 | /** | |
4961 | * function to send SNMP commands to OSA-E card | |
4962 | */ | |
4963 | static int | |
4964 | qeth_snmp_command(struct qeth_card *card, char *udata) | |
4965 | { | |
4966 | struct qeth_cmd_buffer *iob; | |
4967 | struct qeth_ipa_cmd *cmd; | |
4968 | struct qeth_snmp_ureq *ureq; | |
4969 | int req_len; | |
4970 | struct qeth_arp_query_info qinfo = {0, }; | |
4971 | int rc = 0; | |
4972 | ||
4973 | QETH_DBF_TEXT(trace,3,"snmpcmd"); | |
4974 | ||
4975 | if (card->info.guestlan) | |
4976 | return -EOPNOTSUPP; | |
4977 | ||
4978 | if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) && | |
4979 | (!card->options.layer2) ) { | |
4980 | PRINT_WARN("SNMP Query MIBS not supported " | |
4981 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4982 | return -EOPNOTSUPP; | |
4983 | } | |
4984 | /* skip 4 bytes (data_len struct member) to get req_len */ | |
4985 | if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int))) | |
4986 | return -EFAULT; | |
4987 | ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL); | |
4988 | if (!ureq) { | |
4989 | QETH_DBF_TEXT(trace, 2, "snmpnome"); | |
4990 | return -ENOMEM; | |
4991 | } | |
4992 | if (copy_from_user(ureq, udata, | |
4993 | req_len+sizeof(struct qeth_snmp_ureq_hdr))){ | |
4994 | kfree(ureq); | |
4995 | return -EFAULT; | |
4996 | } | |
4997 | qinfo.udata_len = ureq->hdr.data_len; | |
4998 | if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){ | |
4999 | kfree(ureq); | |
5000 | return -ENOMEM; | |
5001 | } | |
5002 | memset(qinfo.udata, 0, qinfo.udata_len); | |
5003 | qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr); | |
5004 | ||
5005 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL, | |
5006 | QETH_SNMP_SETADP_CMDLENGTH + req_len); | |
5007 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
5008 | memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len); | |
5009 | rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len, | |
5010 | qeth_snmp_command_cb, (void *)&qinfo); | |
5011 | if (rc) | |
5012 | PRINT_WARN("SNMP command failed on %s: (0x%x)\n", | |
5013 | QETH_CARD_IFNAME(card), rc); | |
5014 | else | |
5015 | copy_to_user(udata, qinfo.udata, qinfo.udata_len); | |
5016 | ||
5017 | kfree(ureq); | |
5018 | kfree(qinfo.udata); | |
5019 | return rc; | |
5020 | } | |
5021 | ||
5022 | static int | |
5023 | qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *, | |
5024 | unsigned long); | |
5025 | ||
5026 | static int | |
6c951b90 FP |
5027 | qeth_default_setadapterparms_cb(struct qeth_card *card, |
5028 | struct qeth_reply *reply, | |
5029 | unsigned long data); | |
5030 | static int | |
1da177e4 LT |
5031 | qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, |
5032 | __u16, long, | |
5033 | int (*reply_cb) | |
5034 | (struct qeth_card *, struct qeth_reply *, unsigned long), | |
5035 | void *reply_param); | |
5036 | ||
5037 | static int | |
5038 | qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) | |
5039 | { | |
5040 | struct qeth_cmd_buffer *iob; | |
5041 | char buf[16]; | |
5042 | int tmp; | |
5043 | int rc; | |
5044 | ||
5045 | QETH_DBF_TEXT(trace,3,"arpadent"); | |
5046 | ||
5047 | /* | |
f3d242e8 FP |
5048 | * currently GuestLAN only supports the ARP assist function |
5049 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
5050 | * thus we say EOPNOTSUPP for this ARP function | |
1da177e4 LT |
5051 | */ |
5052 | if (card->info.guestlan) | |
5053 | return -EOPNOTSUPP; | |
5054 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
5055 | PRINT_WARN("ARP processing not supported " | |
5056 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
5057 | return -EOPNOTSUPP; | |
5058 | } | |
5059 | ||
5060 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
5061 | IPA_CMD_ASS_ARP_ADD_ENTRY, | |
5062 | sizeof(struct qeth_arp_cache_entry), | |
5063 | QETH_PROT_IPV4); | |
5064 | rc = qeth_send_setassparms(card, iob, | |
5065 | sizeof(struct qeth_arp_cache_entry), | |
5066 | (unsigned long) entry, | |
5067 | qeth_default_setassparms_cb, NULL); | |
5068 | if (rc) { | |
5069 | tmp = rc; | |
5070 | qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
5071 | PRINT_WARN("Could not add ARP entry for address %s on %s: " | |
5072 | "%s (0x%x/%d)\n", | |
5073 | buf, QETH_CARD_IFNAME(card), | |
5074 | qeth_arp_get_error_cause(&rc), tmp, tmp); | |
5075 | } | |
5076 | return rc; | |
5077 | } | |
5078 | ||
5079 | static int | |
5080 | qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) | |
5081 | { | |
5082 | struct qeth_cmd_buffer *iob; | |
5083 | char buf[16] = {0, }; | |
5084 | int tmp; | |
5085 | int rc; | |
5086 | ||
5087 | QETH_DBF_TEXT(trace,3,"arprment"); | |
5088 | ||
5089 | /* | |
f3d242e8 FP |
5090 | * currently GuestLAN only supports the ARP assist function |
5091 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
5092 | * thus we say EOPNOTSUPP for this ARP function | |
1da177e4 LT |
5093 | */ |
5094 | if (card->info.guestlan) | |
5095 | return -EOPNOTSUPP; | |
5096 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
5097 | PRINT_WARN("ARP processing not supported " | |
5098 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
5099 | return -EOPNOTSUPP; | |
5100 | } | |
5101 | memcpy(buf, entry, 12); | |
5102 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
5103 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, | |
5104 | 12, | |
5105 | QETH_PROT_IPV4); | |
5106 | rc = qeth_send_setassparms(card, iob, | |
5107 | 12, (unsigned long)buf, | |
5108 | qeth_default_setassparms_cb, NULL); | |
5109 | if (rc) { | |
5110 | tmp = rc; | |
5111 | memset(buf, 0, 16); | |
5112 | qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
5113 | PRINT_WARN("Could not delete ARP entry for address %s on %s: " | |
5114 | "%s (0x%x/%d)\n", | |
5115 | buf, QETH_CARD_IFNAME(card), | |
5116 | qeth_arp_get_error_cause(&rc), tmp, tmp); | |
5117 | } | |
5118 | return rc; | |
5119 | } | |
5120 | ||
5121 | static int | |
5122 | qeth_arp_flush_cache(struct qeth_card *card) | |
5123 | { | |
5124 | int rc; | |
5125 | int tmp; | |
5126 | ||
5127 | QETH_DBF_TEXT(trace,3,"arpflush"); | |
5128 | ||
5129 | /* | |
f3d242e8 FP |
5130 | * currently GuestLAN only supports the ARP assist function |
5131 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
5132 | * thus we say EOPNOTSUPP for this ARP function | |
5133 | */ | |
1da177e4 LT |
5134 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) |
5135 | return -EOPNOTSUPP; | |
5136 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
5137 | PRINT_WARN("ARP processing not supported " | |
5138 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
5139 | return -EOPNOTSUPP; | |
5140 | } | |
5141 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
5142 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); | |
5143 | if (rc){ | |
5144 | tmp = rc; | |
5145 | PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n", | |
5146 | QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), | |
5147 | tmp, tmp); | |
5148 | } | |
5149 | return rc; | |
5150 | } | |
5151 | ||
5152 | static int | |
5153 | qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
5154 | { | |
5155 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
5156 | struct qeth_arp_cache_entry arp_entry; | |
5157 | struct mii_ioctl_data *mii_data; | |
5158 | int rc = 0; | |
5159 | ||
5160 | if (!card) | |
5161 | return -ENODEV; | |
5162 | ||
5163 | if ((card->state != CARD_STATE_UP) && | |
5164 | (card->state != CARD_STATE_SOFTSETUP)) | |
5165 | return -ENODEV; | |
5166 | ||
500f83ab UB |
5167 | if (card->info.type == QETH_CARD_TYPE_OSN) |
5168 | return -EPERM; | |
5169 | ||
1da177e4 LT |
5170 | switch (cmd){ |
5171 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
5172 | if ( !capable(CAP_NET_ADMIN) || | |
5173 | (card->options.layer2) ) { | |
5174 | rc = -EPERM; | |
5175 | break; | |
5176 | } | |
5177 | rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
5178 | break; | |
5179 | case SIOC_QETH_ARP_QUERY_INFO: | |
5180 | if ( !capable(CAP_NET_ADMIN) || | |
5181 | (card->options.layer2) ) { | |
5182 | rc = -EPERM; | |
5183 | break; | |
5184 | } | |
5185 | rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data); | |
5186 | break; | |
5187 | case SIOC_QETH_ARP_ADD_ENTRY: | |
5188 | if ( !capable(CAP_NET_ADMIN) || | |
5189 | (card->options.layer2) ) { | |
5190 | rc = -EPERM; | |
5191 | break; | |
5192 | } | |
5193 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
5194 | sizeof(struct qeth_arp_cache_entry))) | |
5195 | rc = -EFAULT; | |
5196 | else | |
5197 | rc = qeth_arp_add_entry(card, &arp_entry); | |
5198 | break; | |
5199 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
5200 | if ( !capable(CAP_NET_ADMIN) || | |
5201 | (card->options.layer2) ) { | |
5202 | rc = -EPERM; | |
5203 | break; | |
5204 | } | |
5205 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
5206 | sizeof(struct qeth_arp_cache_entry))) | |
5207 | rc = -EFAULT; | |
5208 | else | |
5209 | rc = qeth_arp_remove_entry(card, &arp_entry); | |
5210 | break; | |
5211 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
5212 | if ( !capable(CAP_NET_ADMIN) || | |
5213 | (card->options.layer2) ) { | |
5214 | rc = -EPERM; | |
5215 | break; | |
5216 | } | |
5217 | rc = qeth_arp_flush_cache(card); | |
5218 | break; | |
5219 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
5220 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
5221 | break; | |
5222 | case SIOC_QETH_GET_CARD_TYPE: | |
5223 | if ((card->info.type == QETH_CARD_TYPE_OSAE) && | |
5224 | !card->info.guestlan) | |
5225 | return 1; | |
5226 | return 0; | |
5227 | break; | |
5228 | case SIOCGMIIPHY: | |
5229 | mii_data = if_mii(rq); | |
5230 | mii_data->phy_id = 0; | |
5231 | break; | |
5232 | case SIOCGMIIREG: | |
5233 | mii_data = if_mii(rq); | |
5234 | if (mii_data->phy_id != 0) | |
5235 | rc = -EINVAL; | |
5236 | else | |
5237 | mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id, | |
5238 | mii_data->reg_num); | |
5239 | break; | |
5240 | case SIOCSMIIREG: | |
5241 | rc = -EOPNOTSUPP; | |
5242 | break; | |
5243 | /* TODO: remove return if qeth_mdio_write does something */ | |
5244 | if (!capable(CAP_NET_ADMIN)){ | |
5245 | rc = -EPERM; | |
5246 | break; | |
5247 | } | |
5248 | mii_data = if_mii(rq); | |
5249 | if (mii_data->phy_id != 0) | |
5250 | rc = -EINVAL; | |
5251 | else | |
5252 | qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num, | |
5253 | mii_data->val_in); | |
5254 | break; | |
5255 | default: | |
5256 | rc = -EOPNOTSUPP; | |
5257 | } | |
5258 | if (rc) | |
5259 | QETH_DBF_TEXT_(trace, 2, "ioce%d", rc); | |
5260 | return rc; | |
5261 | } | |
5262 | ||
5263 | static struct net_device_stats * | |
5264 | qeth_get_stats(struct net_device *dev) | |
5265 | { | |
5266 | struct qeth_card *card; | |
5267 | ||
5268 | card = (struct qeth_card *) (dev->priv); | |
5269 | ||
5270 | QETH_DBF_TEXT(trace,5,"getstat"); | |
5271 | ||
5272 | return &card->stats; | |
5273 | } | |
5274 | ||
5275 | static int | |
5276 | qeth_change_mtu(struct net_device *dev, int new_mtu) | |
5277 | { | |
5278 | struct qeth_card *card; | |
5279 | char dbf_text[15]; | |
5280 | ||
5281 | card = (struct qeth_card *) (dev->priv); | |
5282 | ||
5283 | QETH_DBF_TEXT(trace,4,"chgmtu"); | |
5284 | sprintf(dbf_text, "%8x", new_mtu); | |
5285 | QETH_DBF_TEXT(trace,4,dbf_text); | |
5286 | ||
5287 | if (new_mtu < 64) | |
5288 | return -EINVAL; | |
5289 | if (new_mtu > 65535) | |
5290 | return -EINVAL; | |
5291 | if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) && | |
5292 | (!qeth_mtu_is_valid(card, new_mtu))) | |
5293 | return -EINVAL; | |
5294 | dev->mtu = new_mtu; | |
5295 | return 0; | |
5296 | } | |
5297 | ||
5298 | #ifdef CONFIG_QETH_VLAN | |
5299 | static void | |
5300 | qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) | |
5301 | { | |
5302 | struct qeth_card *card; | |
5303 | unsigned long flags; | |
5304 | ||
5305 | QETH_DBF_TEXT(trace,4,"vlanreg"); | |
5306 | ||
5307 | card = (struct qeth_card *) dev->priv; | |
5308 | spin_lock_irqsave(&card->vlanlock, flags); | |
5309 | card->vlangrp = grp; | |
5310 | spin_unlock_irqrestore(&card->vlanlock, flags); | |
5311 | } | |
5312 | ||
5313 | static inline void | |
5314 | qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf, | |
5315 | unsigned short vid) | |
5316 | { | |
5317 | int i; | |
5318 | struct sk_buff *skb; | |
5319 | struct sk_buff_head tmp_list; | |
5320 | ||
5321 | skb_queue_head_init(&tmp_list); | |
5322 | for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ | |
5323 | while ((skb = skb_dequeue(&buf->skb_list))){ | |
5324 | if (vlan_tx_tag_present(skb) && | |
5325 | (vlan_tx_tag_get(skb) == vid)) { | |
5326 | atomic_dec(&skb->users); | |
5327 | dev_kfree_skb(skb); | |
5328 | } else | |
5329 | skb_queue_tail(&tmp_list, skb); | |
5330 | } | |
5331 | } | |
5332 | while ((skb = skb_dequeue(&tmp_list))) | |
5333 | skb_queue_tail(&buf->skb_list, skb); | |
5334 | } | |
5335 | ||
5336 | static void | |
5337 | qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid) | |
5338 | { | |
5339 | int i, j; | |
5340 | ||
5341 | QETH_DBF_TEXT(trace, 4, "frvlskbs"); | |
5342 | for (i = 0; i < card->qdio.no_out_queues; ++i){ | |
5343 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
5344 | qeth_free_vlan_buffer(card, &card->qdio. | |
5345 | out_qs[i]->bufs[j], vid); | |
5346 | } | |
5347 | } | |
5348 | ||
5349 | static void | |
5350 | qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid) | |
5351 | { | |
5352 | struct in_device *in_dev; | |
5353 | struct in_ifaddr *ifa; | |
5354 | struct qeth_ipaddr *addr; | |
5355 | ||
5356 | QETH_DBF_TEXT(trace, 4, "frvaddr4"); | |
6c88ad2d | 5357 | |
1da177e4 | 5358 | rcu_read_lock(); |
e5ed6399 | 5359 | in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]); |
1da177e4 LT |
5360 | if (!in_dev) |
5361 | goto out; | |
5362 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
5363 | addr = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
5364 | if (addr){ | |
5365 | addr->u.a4.addr = ifa->ifa_address; | |
5366 | addr->u.a4.mask = ifa->ifa_mask; | |
5367 | addr->type = QETH_IP_TYPE_NORMAL; | |
5368 | if (!qeth_delete_ip(card, addr)) | |
5369 | kfree(addr); | |
5370 | } | |
5371 | } | |
5372 | out: | |
5373 | rcu_read_unlock(); | |
5374 | } | |
5375 | ||
5376 | static void | |
5377 | qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid) | |
5378 | { | |
5379 | #ifdef CONFIG_QETH_IPV6 | |
5380 | struct inet6_dev *in6_dev; | |
5381 | struct inet6_ifaddr *ifa; | |
5382 | struct qeth_ipaddr *addr; | |
5383 | ||
5384 | QETH_DBF_TEXT(trace, 4, "frvaddr6"); | |
6c88ad2d | 5385 | |
1da177e4 LT |
5386 | in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]); |
5387 | if (!in6_dev) | |
5388 | return; | |
5389 | for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){ | |
5390 | addr = qeth_get_addr_buffer(QETH_PROT_IPV6); | |
5391 | if (addr){ | |
5392 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
5393 | sizeof(struct in6_addr)); | |
5394 | addr->u.a6.pfxlen = ifa->prefix_len; | |
5395 | addr->type = QETH_IP_TYPE_NORMAL; | |
5396 | if (!qeth_delete_ip(card, addr)) | |
5397 | kfree(addr); | |
5398 | } | |
5399 | } | |
5400 | in6_dev_put(in6_dev); | |
5401 | #endif /* CONFIG_QETH_IPV6 */ | |
5402 | } | |
5403 | ||
6c88ad2d FP |
5404 | static void |
5405 | qeth_free_vlan_addresses(struct qeth_card *card, unsigned short vid) | |
5406 | { | |
5407 | if (card->options.layer2 || !card->vlangrp) | |
5408 | return; | |
5409 | qeth_free_vlan_addresses4(card, vid); | |
5410 | qeth_free_vlan_addresses6(card, vid); | |
5411 | } | |
5412 | ||
508cc2b0 FP |
5413 | static int |
5414 | qeth_layer2_send_setdelvlan_cb(struct qeth_card *card, | |
5415 | struct qeth_reply *reply, | |
5416 | unsigned long data) | |
5417 | { | |
5418 | struct qeth_ipa_cmd *cmd; | |
5419 | ||
5420 | QETH_DBF_TEXT(trace, 2, "L2sdvcb"); | |
5421 | cmd = (struct qeth_ipa_cmd *) data; | |
5422 | if (cmd->hdr.return_code) { | |
5423 | PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. " | |
5424 | "Continuing\n",cmd->data.setdelvlan.vlan_id, | |
5425 | QETH_CARD_IFNAME(card), cmd->hdr.return_code); | |
5426 | QETH_DBF_TEXT_(trace, 2, "L2VL%4x", cmd->hdr.command); | |
5427 | QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card)); | |
5428 | QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code); | |
5429 | } | |
5430 | return 0; | |
5431 | } | |
5432 | ||
5433 | static int | |
1da177e4 LT |
5434 | qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i, |
5435 | enum qeth_ipa_cmds ipacmd) | |
5436 | { | |
1da177e4 LT |
5437 | struct qeth_ipa_cmd *cmd; |
5438 | struct qeth_cmd_buffer *iob; | |
5439 | ||
5440 | QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd); | |
5441 | iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); | |
5442 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
5443 | cmd->data.setdelvlan.vlan_id = i; | |
508cc2b0 FP |
5444 | return qeth_send_ipa_cmd(card, iob, |
5445 | qeth_layer2_send_setdelvlan_cb, NULL); | |
1da177e4 LT |
5446 | } |
5447 | ||
5448 | static void | |
5449 | qeth_layer2_process_vlans(struct qeth_card *card, int clear) | |
5450 | { | |
5451 | unsigned short i; | |
5452 | ||
5453 | QETH_DBF_TEXT(trace, 3, "L2prcvln"); | |
5454 | ||
5455 | if (!card->vlangrp) | |
5456 | return; | |
5457 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
5458 | if (card->vlangrp->vlan_devices[i] == NULL) | |
5459 | continue; | |
5460 | if (clear) | |
5461 | qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN); | |
5462 | else | |
5463 | qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN); | |
5464 | } | |
5465 | } | |
5466 | ||
5467 | /*add_vid is layer 2 used only ....*/ | |
5468 | static void | |
5469 | qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) | |
5470 | { | |
5471 | struct qeth_card *card; | |
5472 | ||
5473 | QETH_DBF_TEXT_(trace, 4, "aid:%d", vid); | |
5474 | ||
5475 | card = (struct qeth_card *) dev->priv; | |
5476 | if (!card->options.layer2) | |
5477 | return; | |
5478 | qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); | |
5479 | } | |
5480 | ||
5481 | /*... kill_vid used for both modes*/ | |
5482 | static void | |
5483 | qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) | |
5484 | { | |
5485 | struct qeth_card *card; | |
5486 | unsigned long flags; | |
5487 | ||
5488 | QETH_DBF_TEXT_(trace, 4, "kid:%d", vid); | |
5489 | ||
5490 | card = (struct qeth_card *) dev->priv; | |
5491 | /* free all skbs for the vlan device */ | |
5492 | qeth_free_vlan_skbs(card, vid); | |
5493 | spin_lock_irqsave(&card->vlanlock, flags); | |
5494 | /* unregister IP addresses of vlan device */ | |
6c88ad2d | 5495 | qeth_free_vlan_addresses(card, vid); |
1da177e4 LT |
5496 | if (card->vlangrp) |
5497 | card->vlangrp->vlan_devices[vid] = NULL; | |
5498 | spin_unlock_irqrestore(&card->vlanlock, flags); | |
5499 | if (card->options.layer2) | |
5500 | qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); | |
5501 | qeth_set_multicast_list(card->dev); | |
5502 | } | |
5503 | #endif | |
6c951b90 FP |
5504 | /** |
5505 | * Examine hardware response to SET_PROMISC_MODE | |
5506 | */ | |
5507 | static int | |
5508 | qeth_setadp_promisc_mode_cb(struct qeth_card *card, | |
5509 | struct qeth_reply *reply, | |
5510 | unsigned long data) | |
5511 | { | |
5512 | struct qeth_ipa_cmd *cmd; | |
5513 | struct qeth_ipacmd_setadpparms *setparms; | |
5514 | ||
5515 | QETH_DBF_TEXT(trace,4,"prmadpcb"); | |
5516 | ||
5517 | cmd = (struct qeth_ipa_cmd *) data; | |
5518 | setparms = &(cmd->data.setadapterparms); | |
5519 | ||
5520 | qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); | |
5521 | if (cmd->hdr.return_code) { | |
5522 | QETH_DBF_TEXT_(trace,4,"prmrc%2.2x",cmd->hdr.return_code); | |
5523 | setparms->data.mode = SET_PROMISC_MODE_OFF; | |
5524 | } | |
5525 | card->info.promisc_mode = setparms->data.mode; | |
5526 | return 0; | |
5527 | } | |
5528 | /* | |
5529 | * Set promiscuous mode (on or off) (SET_PROMISC_MODE command) | |
5530 | */ | |
5531 | static void | |
5532 | qeth_setadp_promisc_mode(struct qeth_card *card) | |
5533 | { | |
5534 | enum qeth_ipa_promisc_modes mode; | |
5535 | struct net_device *dev = card->dev; | |
5536 | struct qeth_cmd_buffer *iob; | |
5537 | struct qeth_ipa_cmd *cmd; | |
5538 | ||
5539 | QETH_DBF_TEXT(trace, 4, "setprom"); | |
5540 | ||
5541 | if (((dev->flags & IFF_PROMISC) && | |
5542 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
5543 | (!(dev->flags & IFF_PROMISC) && | |
5544 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
5545 | return; | |
5546 | mode = SET_PROMISC_MODE_OFF; | |
5547 | if (dev->flags & IFF_PROMISC) | |
5548 | mode = SET_PROMISC_MODE_ON; | |
5549 | QETH_DBF_TEXT_(trace, 4, "mode:%x", mode); | |
5550 | ||
5551 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_PROMISC_MODE, | |
5552 | sizeof(struct qeth_ipacmd_setadpparms)); | |
5553 | cmd = (struct qeth_ipa_cmd *)(iob->data + IPA_PDU_HEADER_SIZE); | |
5554 | cmd->data.setadapterparms.data.mode = mode; | |
5555 | qeth_send_ipa_cmd(card, iob, qeth_setadp_promisc_mode_cb, NULL); | |
5556 | } | |
1da177e4 LT |
5557 | |
5558 | /** | |
5559 | * set multicast address on card | |
5560 | */ | |
5561 | static void | |
5562 | qeth_set_multicast_list(struct net_device *dev) | |
5563 | { | |
5564 | struct qeth_card *card = (struct qeth_card *) dev->priv; | |
5565 | ||
500f83ab UB |
5566 | if (card->info.type == QETH_CARD_TYPE_OSN) |
5567 | return ; | |
5568 | ||
1da177e4 LT |
5569 | QETH_DBF_TEXT(trace,3,"setmulti"); |
5570 | qeth_delete_mc_addresses(card); | |
6c88ad2d FP |
5571 | if (card->options.layer2) { |
5572 | qeth_layer2_add_multicast(card); | |
5573 | goto out; | |
5574 | } | |
1da177e4 LT |
5575 | qeth_add_multicast_ipv4(card); |
5576 | #ifdef CONFIG_QETH_IPV6 | |
5577 | qeth_add_multicast_ipv6(card); | |
5578 | #endif | |
6c88ad2d | 5579 | out: |
1da177e4 LT |
5580 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) |
5581 | schedule_work(&card->kernel_thread_starter); | |
6c951b90 FP |
5582 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) |
5583 | return; | |
5584 | if (qeth_set_thread_start_bit(card, QETH_SET_PROMISC_MODE_THREAD)==0) | |
5585 | schedule_work(&card->kernel_thread_starter); | |
5586 | ||
1da177e4 LT |
5587 | } |
5588 | ||
5589 | static int | |
5590 | qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
5591 | { | |
5592 | return 0; | |
5593 | } | |
5594 | ||
5595 | static void | |
5596 | qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev) | |
5597 | { | |
5598 | if (dev->type == ARPHRD_IEEE802_TR) | |
5599 | ip_tr_mc_map(ipm, mac); | |
5600 | else | |
5601 | ip_eth_mc_map(ipm, mac); | |
5602 | } | |
5603 | ||
5604 | static struct qeth_ipaddr * | |
5605 | qeth_get_addr_buffer(enum qeth_prot_versions prot) | |
5606 | { | |
5607 | struct qeth_ipaddr *addr; | |
5608 | ||
5609 | addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); | |
5610 | if (addr == NULL) { | |
5611 | PRINT_WARN("Not enough memory to add address\n"); | |
5612 | return NULL; | |
5613 | } | |
5614 | memset(addr,0,sizeof(struct qeth_ipaddr)); | |
5615 | addr->type = QETH_IP_TYPE_NORMAL; | |
5616 | addr->proto = prot; | |
5617 | return addr; | |
5618 | } | |
5619 | ||
500f83ab UB |
5620 | int |
5621 | qeth_osn_assist(struct net_device *dev, | |
5622 | void *data, | |
5623 | int data_len) | |
5624 | { | |
5625 | struct qeth_cmd_buffer *iob; | |
5626 | struct qeth_card *card; | |
5627 | int rc; | |
5628 | ||
5629 | QETH_DBF_TEXT(trace, 2, "osnsdmc"); | |
5630 | if (!dev) | |
5631 | return -ENODEV; | |
5632 | card = (struct qeth_card *)dev->priv; | |
5633 | if (!card) | |
5634 | return -ENODEV; | |
5635 | if ((card->state != CARD_STATE_UP) && | |
5636 | (card->state != CARD_STATE_SOFTSETUP)) | |
5637 | return -ENODEV; | |
5638 | iob = qeth_wait_for_buffer(&card->write); | |
5639 | memcpy(iob->data+IPA_PDU_HEADER_SIZE, data, data_len); | |
5640 | rc = qeth_osn_send_ipa_cmd(card, iob, data_len); | |
5641 | return rc; | |
5642 | } | |
5643 | ||
5644 | static struct net_device * | |
5645 | qeth_netdev_by_devno(unsigned char *read_dev_no) | |
5646 | { | |
5647 | struct qeth_card *card; | |
5648 | struct net_device *ndev; | |
5649 | unsigned char *readno; | |
5650 | __u16 temp_dev_no, card_dev_no; | |
5651 | char *endp; | |
5652 | unsigned long flags; | |
5653 | ||
5654 | ndev = NULL; | |
5655 | memcpy(&temp_dev_no, read_dev_no, 2); | |
5656 | read_lock_irqsave(&qeth_card_list.rwlock, flags); | |
5657 | list_for_each_entry(card, &qeth_card_list.list, list) { | |
5658 | readno = CARD_RDEV_ID(card); | |
5659 | readno += (strlen(readno) - 4); | |
5660 | card_dev_no = simple_strtoul(readno, &endp, 16); | |
5661 | if (card_dev_no == temp_dev_no) { | |
5662 | ndev = card->dev; | |
5663 | break; | |
5664 | } | |
5665 | } | |
5666 | read_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
5667 | return ndev; | |
5668 | } | |
5669 | ||
5670 | int | |
5671 | qeth_osn_register(unsigned char *read_dev_no, | |
5672 | struct net_device **dev, | |
5673 | int (*assist_cb)(struct net_device *, void *), | |
5674 | int (*data_cb)(struct sk_buff *)) | |
5675 | { | |
5676 | struct qeth_card * card; | |
5677 | ||
5678 | QETH_DBF_TEXT(trace, 2, "osnreg"); | |
5679 | *dev = qeth_netdev_by_devno(read_dev_no); | |
5680 | if (*dev == NULL) | |
5681 | return -ENODEV; | |
5682 | card = (struct qeth_card *)(*dev)->priv; | |
5683 | if (!card) | |
5684 | return -ENODEV; | |
5685 | if ((assist_cb == NULL) || (data_cb == NULL)) | |
5686 | return -EINVAL; | |
5687 | card->osn_info.assist_cb = assist_cb; | |
5688 | card->osn_info.data_cb = data_cb; | |
5689 | return 0; | |
5690 | } | |
5691 | ||
5692 | void | |
5693 | qeth_osn_deregister(struct net_device * dev) | |
5694 | { | |
5695 | struct qeth_card *card; | |
5696 | ||
5697 | QETH_DBF_TEXT(trace, 2, "osndereg"); | |
5698 | if (!dev) | |
5699 | return; | |
5700 | card = (struct qeth_card *)dev->priv; | |
5701 | if (!card) | |
5702 | return; | |
5703 | card->osn_info.assist_cb = NULL; | |
5704 | card->osn_info.data_cb = NULL; | |
5705 | return; | |
5706 | } | |
5707 | ||
1da177e4 LT |
5708 | static void |
5709 | qeth_delete_mc_addresses(struct qeth_card *card) | |
5710 | { | |
5711 | struct qeth_ipaddr *iptodo; | |
5712 | unsigned long flags; | |
5713 | ||
5714 | QETH_DBF_TEXT(trace,4,"delmc"); | |
5715 | iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
5716 | if (!iptodo) { | |
5717 | QETH_DBF_TEXT(trace, 2, "dmcnomem"); | |
5718 | return; | |
5719 | } | |
5720 | iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; | |
5721 | spin_lock_irqsave(&card->ip_lock, flags); | |
5722 | if (!__qeth_insert_ip_todo(card, iptodo, 0)) | |
5723 | kfree(iptodo); | |
5724 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
5725 | } | |
5726 | ||
5727 | static inline void | |
5728 | qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
5729 | { | |
5730 | struct qeth_ipaddr *ipm; | |
5731 | struct ip_mc_list *im4; | |
5732 | char buf[MAX_ADDR_LEN]; | |
5733 | ||
5734 | QETH_DBF_TEXT(trace,4,"addmc"); | |
5735 | for (im4 = in4_dev->mc_list; im4; im4 = im4->next) { | |
5736 | qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); | |
5737 | ipm = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
5738 | if (!ipm) | |
5739 | continue; | |
5740 | ipm->u.a4.addr = im4->multiaddr; | |
5741 | memcpy(ipm->mac,buf,OSA_ADDR_LEN); | |
5742 | ipm->is_multicast = 1; | |
5743 | if (!qeth_add_ip(card,ipm)) | |
5744 | kfree(ipm); | |
5745 | } | |
5746 | } | |
5747 | ||
5748 | static inline void | |
5749 | qeth_add_vlan_mc(struct qeth_card *card) | |
5750 | { | |
5751 | #ifdef CONFIG_QETH_VLAN | |
5752 | struct in_device *in_dev; | |
5753 | struct vlan_group *vg; | |
5754 | int i; | |
5755 | ||
5756 | QETH_DBF_TEXT(trace,4,"addmcvl"); | |
5757 | if ( ((card->options.layer2 == 0) && | |
5758 | (!qeth_is_supported(card,IPA_FULL_VLAN))) || | |
5759 | (card->vlangrp == NULL) ) | |
5760 | return ; | |
5761 | ||
5762 | vg = card->vlangrp; | |
5763 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
5764 | if (vg->vlan_devices[i] == NULL || | |
5765 | !(vg->vlan_devices[i]->flags & IFF_UP)) | |
5766 | continue; | |
5767 | in_dev = in_dev_get(vg->vlan_devices[i]); | |
5768 | if (!in_dev) | |
5769 | continue; | |
5770 | read_lock(&in_dev->mc_list_lock); | |
5771 | qeth_add_mc(card,in_dev); | |
5772 | read_unlock(&in_dev->mc_list_lock); | |
5773 | in_dev_put(in_dev); | |
5774 | } | |
5775 | #endif | |
5776 | } | |
5777 | ||
5778 | static void | |
5779 | qeth_add_multicast_ipv4(struct qeth_card *card) | |
5780 | { | |
5781 | struct in_device *in4_dev; | |
5782 | ||
5783 | QETH_DBF_TEXT(trace,4,"chkmcv4"); | |
5784 | in4_dev = in_dev_get(card->dev); | |
5785 | if (in4_dev == NULL) | |
5786 | return; | |
5787 | read_lock(&in4_dev->mc_list_lock); | |
5788 | qeth_add_mc(card, in4_dev); | |
5789 | qeth_add_vlan_mc(card); | |
5790 | read_unlock(&in4_dev->mc_list_lock); | |
5791 | in_dev_put(in4_dev); | |
5792 | } | |
5793 | ||
6c88ad2d FP |
5794 | static void |
5795 | qeth_layer2_add_multicast(struct qeth_card *card) | |
5796 | { | |
5797 | struct qeth_ipaddr *ipm; | |
5798 | struct dev_mc_list *dm; | |
5799 | ||
5800 | QETH_DBF_TEXT(trace,4,"L2addmc"); | |
5801 | for (dm = card->dev->mc_list; dm; dm = dm->next) { | |
5802 | ipm = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
5803 | if (!ipm) | |
5804 | continue; | |
5805 | memcpy(ipm->mac,dm->dmi_addr,MAX_ADDR_LEN); | |
5806 | ipm->is_multicast = 1; | |
5807 | if (!qeth_add_ip(card, ipm)) | |
5808 | kfree(ipm); | |
5809 | } | |
5810 | } | |
5811 | ||
1da177e4 LT |
5812 | #ifdef CONFIG_QETH_IPV6 |
5813 | static inline void | |
5814 | qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
5815 | { | |
5816 | struct qeth_ipaddr *ipm; | |
5817 | struct ifmcaddr6 *im6; | |
5818 | char buf[MAX_ADDR_LEN]; | |
5819 | ||
5820 | QETH_DBF_TEXT(trace,4,"addmc6"); | |
5821 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { | |
5822 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
5823 | ipm = qeth_get_addr_buffer(QETH_PROT_IPV6); | |
5824 | if (!ipm) | |
5825 | continue; | |
5826 | ipm->is_multicast = 1; | |
5827 | memcpy(ipm->mac,buf,OSA_ADDR_LEN); | |
5828 | memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr, | |
5829 | sizeof(struct in6_addr)); | |
5830 | if (!qeth_add_ip(card,ipm)) | |
5831 | kfree(ipm); | |
5832 | } | |
5833 | } | |
5834 | ||
5835 | static inline void | |
5836 | qeth_add_vlan_mc6(struct qeth_card *card) | |
5837 | { | |
5838 | #ifdef CONFIG_QETH_VLAN | |
5839 | struct inet6_dev *in_dev; | |
5840 | struct vlan_group *vg; | |
5841 | int i; | |
5842 | ||
5843 | QETH_DBF_TEXT(trace,4,"admc6vl"); | |
5844 | if ( ((card->options.layer2 == 0) && | |
5845 | (!qeth_is_supported(card,IPA_FULL_VLAN))) || | |
5846 | (card->vlangrp == NULL)) | |
5847 | return ; | |
5848 | ||
5849 | vg = card->vlangrp; | |
5850 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
5851 | if (vg->vlan_devices[i] == NULL || | |
5852 | !(vg->vlan_devices[i]->flags & IFF_UP)) | |
5853 | continue; | |
5854 | in_dev = in6_dev_get(vg->vlan_devices[i]); | |
5855 | if (!in_dev) | |
5856 | continue; | |
5857 | read_lock(&in_dev->lock); | |
5858 | qeth_add_mc6(card,in_dev); | |
5859 | read_unlock(&in_dev->lock); | |
5860 | in6_dev_put(in_dev); | |
5861 | } | |
5862 | #endif /* CONFIG_QETH_VLAN */ | |
5863 | } | |
5864 | ||
5865 | static void | |
5866 | qeth_add_multicast_ipv6(struct qeth_card *card) | |
5867 | { | |
5868 | struct inet6_dev *in6_dev; | |
5869 | ||
5870 | QETH_DBF_TEXT(trace,4,"chkmcv6"); | |
6c6b3e7c | 5871 | if (!qeth_is_supported(card, IPA_IPV6)) |
1da177e4 | 5872 | return ; |
1da177e4 LT |
5873 | in6_dev = in6_dev_get(card->dev); |
5874 | if (in6_dev == NULL) | |
5875 | return; | |
5876 | read_lock(&in6_dev->lock); | |
5877 | qeth_add_mc6(card, in6_dev); | |
5878 | qeth_add_vlan_mc6(card); | |
5879 | read_unlock(&in6_dev->lock); | |
5880 | in6_dev_put(in6_dev); | |
5881 | } | |
5882 | #endif /* CONFIG_QETH_IPV6 */ | |
5883 | ||
5884 | static int | |
5885 | qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac, | |
5886 | enum qeth_ipa_cmds ipacmd, | |
5887 | int (*reply_cb) (struct qeth_card *, | |
5888 | struct qeth_reply*, | |
5889 | unsigned long)) | |
5890 | { | |
5891 | struct qeth_ipa_cmd *cmd; | |
5892 | struct qeth_cmd_buffer *iob; | |
5893 | ||
5894 | QETH_DBF_TEXT(trace, 2, "L2sdmac"); | |
5895 | iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); | |
5896 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
5897 | cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; | |
5898 | memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); | |
5899 | return qeth_send_ipa_cmd(card, iob, reply_cb, NULL); | |
5900 | } | |
5901 | ||
5902 | static int | |
5903 | qeth_layer2_send_setgroupmac_cb(struct qeth_card *card, | |
5904 | struct qeth_reply *reply, | |
5905 | unsigned long data) | |
5906 | { | |
5907 | struct qeth_ipa_cmd *cmd; | |
5908 | __u8 *mac; | |
5909 | ||
5910 | QETH_DBF_TEXT(trace, 2, "L2Sgmacb"); | |
5911 | cmd = (struct qeth_ipa_cmd *) data; | |
5912 | mac = &cmd->data.setdelmac.mac[0]; | |
5913 | /* MAC already registered, needed in couple/uncouple case */ | |
5914 | if (cmd->hdr.return_code == 0x2005) { | |
5915 | PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \ | |
5916 | "already existing on %s \n", | |
5917 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], | |
5918 | QETH_CARD_IFNAME(card)); | |
5919 | cmd->hdr.return_code = 0; | |
5920 | } | |
5921 | if (cmd->hdr.return_code) | |
5922 | PRINT_ERR("Could not set group MAC " \ | |
5923 | "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", | |
5924 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], | |
5925 | QETH_CARD_IFNAME(card),cmd->hdr.return_code); | |
5926 | return 0; | |
5927 | } | |
5928 | ||
5929 | static int | |
5930 | qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac) | |
5931 | { | |
5932 | QETH_DBF_TEXT(trace, 2, "L2Sgmac"); | |
5933 | return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC, | |
5934 | qeth_layer2_send_setgroupmac_cb); | |
5935 | } | |
5936 | ||
5937 | static int | |
5938 | qeth_layer2_send_delgroupmac_cb(struct qeth_card *card, | |
5939 | struct qeth_reply *reply, | |
5940 | unsigned long data) | |
5941 | { | |
5942 | struct qeth_ipa_cmd *cmd; | |
5943 | __u8 *mac; | |
5944 | ||
5945 | QETH_DBF_TEXT(trace, 2, "L2Dgmacb"); | |
5946 | cmd = (struct qeth_ipa_cmd *) data; | |
5947 | mac = &cmd->data.setdelmac.mac[0]; | |
5948 | if (cmd->hdr.return_code) | |
5949 | PRINT_ERR("Could not delete group MAC " \ | |
5950 | "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", | |
5951 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], | |
5952 | QETH_CARD_IFNAME(card), cmd->hdr.return_code); | |
5953 | return 0; | |
5954 | } | |
5955 | ||
5956 | static int | |
5957 | qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac) | |
5958 | { | |
5959 | QETH_DBF_TEXT(trace, 2, "L2Dgmac"); | |
5960 | return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC, | |
5961 | qeth_layer2_send_delgroupmac_cb); | |
5962 | } | |
5963 | ||
5964 | static int | |
5965 | qeth_layer2_send_setmac_cb(struct qeth_card *card, | |
5966 | struct qeth_reply *reply, | |
5967 | unsigned long data) | |
5968 | { | |
5969 | struct qeth_ipa_cmd *cmd; | |
5970 | ||
5971 | QETH_DBF_TEXT(trace, 2, "L2Smaccb"); | |
5972 | cmd = (struct qeth_ipa_cmd *) data; | |
5973 | if (cmd->hdr.return_code) { | |
5974 | QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code); | |
5975 | PRINT_WARN("Error in registering MAC address on " \ | |
5976 | "device %s: x%x\n", CARD_BUS_ID(card), | |
5977 | cmd->hdr.return_code); | |
e08d88cc | 5978 | card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; |
1da177e4 LT |
5979 | cmd->hdr.return_code = -EIO; |
5980 | } else { | |
e08d88cc | 5981 | card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; |
1da177e4 LT |
5982 | memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac, |
5983 | OSA_ADDR_LEN); | |
5984 | PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x " | |
5985 | "successfully registered on device %s\n", | |
5986 | card->dev->dev_addr[0], card->dev->dev_addr[1], | |
5987 | card->dev->dev_addr[2], card->dev->dev_addr[3], | |
5988 | card->dev->dev_addr[4], card->dev->dev_addr[5], | |
5989 | card->dev->name); | |
5990 | } | |
5991 | return 0; | |
5992 | } | |
5993 | ||
5994 | static int | |
5995 | qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac) | |
5996 | { | |
5997 | QETH_DBF_TEXT(trace, 2, "L2Setmac"); | |
5998 | return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, | |
5999 | qeth_layer2_send_setmac_cb); | |
6000 | } | |
6001 | ||
6002 | static int | |
6003 | qeth_layer2_send_delmac_cb(struct qeth_card *card, | |
6004 | struct qeth_reply *reply, | |
6005 | unsigned long data) | |
6006 | { | |
6007 | struct qeth_ipa_cmd *cmd; | |
6008 | ||
6009 | QETH_DBF_TEXT(trace, 2, "L2Dmaccb"); | |
6010 | cmd = (struct qeth_ipa_cmd *) data; | |
6011 | if (cmd->hdr.return_code) { | |
6012 | PRINT_WARN("Error in deregistering MAC address on " \ | |
6013 | "device %s: x%x\n", CARD_BUS_ID(card), | |
6014 | cmd->hdr.return_code); | |
6015 | QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code); | |
6016 | cmd->hdr.return_code = -EIO; | |
6017 | return 0; | |
6018 | } | |
e08d88cc | 6019 | card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; |
1da177e4 LT |
6020 | |
6021 | return 0; | |
6022 | } | |
6023 | static int | |
6024 | qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac) | |
6025 | { | |
6026 | QETH_DBF_TEXT(trace, 2, "L2Delmac"); | |
e08d88cc | 6027 | if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) |
1da177e4 LT |
6028 | return 0; |
6029 | return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, | |
6030 | qeth_layer2_send_delmac_cb); | |
6031 | } | |
6032 | ||
6033 | static int | |
6034 | qeth_layer2_set_mac_address(struct net_device *dev, void *p) | |
6035 | { | |
6036 | struct sockaddr *addr = p; | |
6037 | struct qeth_card *card; | |
6038 | int rc = 0; | |
6039 | ||
6040 | QETH_DBF_TEXT(trace, 3, "setmac"); | |
6041 | ||
6042 | if (qeth_verify_dev(dev) != QETH_REAL_CARD) { | |
6043 | QETH_DBF_TEXT(trace, 3, "setmcINV"); | |
6044 | return -EOPNOTSUPP; | |
6045 | } | |
6046 | card = (struct qeth_card *) dev->priv; | |
6047 | ||
6048 | if (!card->options.layer2) { | |
e08d88cc | 6049 | PRINT_WARN("Setting MAC address on %s is not supported " |
1da177e4 LT |
6050 | "in Layer 3 mode.\n", dev->name); |
6051 | QETH_DBF_TEXT(trace, 3, "setmcLY3"); | |
6052 | return -EOPNOTSUPP; | |
6053 | } | |
500f83ab UB |
6054 | if (card->info.type == QETH_CARD_TYPE_OSN) { |
6055 | PRINT_WARN("Setting MAC address on %s is not supported.\n", | |
6056 | dev->name); | |
6057 | QETH_DBF_TEXT(trace, 3, "setmcOSN"); | |
6058 | return -EOPNOTSUPP; | |
6059 | } | |
1da177e4 LT |
6060 | QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card)); |
6061 | QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN); | |
6062 | rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]); | |
6063 | if (!rc) | |
6064 | rc = qeth_layer2_send_setmac(card, addr->sa_data); | |
6065 | return rc; | |
6066 | } | |
6067 | ||
6068 | static void | |
6069 | qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd, | |
6070 | __u8 command, enum qeth_prot_versions prot) | |
6071 | { | |
6072 | memset(cmd, 0, sizeof (struct qeth_ipa_cmd)); | |
6073 | cmd->hdr.command = command; | |
6074 | cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST; | |
6075 | cmd->hdr.seqno = card->seqno.ipa; | |
6076 | cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type); | |
6077 | cmd->hdr.rel_adapter_no = (__u8) card->info.portno; | |
6078 | if (card->options.layer2) | |
6079 | cmd->hdr.prim_version_no = 2; | |
6080 | else | |
6081 | cmd->hdr.prim_version_no = 1; | |
6082 | cmd->hdr.param_count = 1; | |
6083 | cmd->hdr.prot_version = prot; | |
6084 | cmd->hdr.ipa_supported = 0; | |
6085 | cmd->hdr.ipa_enabled = 0; | |
6086 | } | |
6087 | ||
6088 | static struct qeth_cmd_buffer * | |
6089 | qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd, | |
6090 | enum qeth_prot_versions prot) | |
6091 | { | |
6092 | struct qeth_cmd_buffer *iob; | |
6093 | struct qeth_ipa_cmd *cmd; | |
6094 | ||
6095 | iob = qeth_wait_for_buffer(&card->write); | |
6096 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6097 | qeth_fill_ipacmd_header(card, cmd, ipacmd, prot); | |
6098 | ||
6099 | return iob; | |
6100 | } | |
6101 | ||
6102 | static int | |
6103 | qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd) | |
6104 | { | |
6105 | int rc; | |
6106 | struct qeth_cmd_buffer *iob; | |
6107 | struct qeth_ipa_cmd *cmd; | |
6108 | ||
6109 | QETH_DBF_TEXT(trace,4,"setdelmc"); | |
6110 | ||
6111 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
6112 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6113 | memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN); | |
6114 | if (addr->proto == QETH_PROT_IPV6) | |
6115 | memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, | |
6116 | sizeof(struct in6_addr)); | |
6117 | else | |
6118 | memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4); | |
6119 | ||
6120 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
6121 | ||
6122 | return rc; | |
6123 | } | |
6124 | static inline void | |
6125 | qeth_fill_netmask(u8 *netmask, unsigned int len) | |
6126 | { | |
6127 | int i,j; | |
6128 | for (i=0;i<16;i++) { | |
6129 | j=(len)-(i*8); | |
6130 | if (j >= 8) | |
6131 | netmask[i] = 0xff; | |
6132 | else if (j > 0) | |
6133 | netmask[i] = (u8)(0xFF00>>j); | |
6134 | else | |
6135 | netmask[i] = 0; | |
6136 | } | |
6137 | } | |
6138 | ||
6139 | static int | |
6140 | qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr, | |
6141 | int ipacmd, unsigned int flags) | |
6142 | { | |
6143 | int rc; | |
6144 | struct qeth_cmd_buffer *iob; | |
6145 | struct qeth_ipa_cmd *cmd; | |
6146 | __u8 netmask[16]; | |
6147 | ||
6148 | QETH_DBF_TEXT(trace,4,"setdelip"); | |
6149 | QETH_DBF_TEXT_(trace,4,"flags%02X", flags); | |
6150 | ||
6151 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
6152 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6153 | if (addr->proto == QETH_PROT_IPV6) { | |
6154 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, | |
6155 | sizeof(struct in6_addr)); | |
6156 | qeth_fill_netmask(netmask,addr->u.a6.pfxlen); | |
6157 | memcpy(cmd->data.setdelip6.mask, netmask, | |
6158 | sizeof(struct in6_addr)); | |
6159 | cmd->data.setdelip6.flags = flags; | |
6160 | } else { | |
6161 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); | |
6162 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); | |
6163 | cmd->data.setdelip4.flags = flags; | |
6164 | } | |
6165 | ||
6166 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
6167 | ||
6168 | return rc; | |
6169 | } | |
6170 | ||
6171 | static int | |
6172 | qeth_layer2_register_addr_entry(struct qeth_card *card, | |
6173 | struct qeth_ipaddr *addr) | |
6174 | { | |
6175 | if (!addr->is_multicast) | |
6176 | return 0; | |
6177 | QETH_DBF_TEXT(trace, 2, "setgmac"); | |
6178 | QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN); | |
6179 | return qeth_layer2_send_setgroupmac(card, &addr->mac[0]); | |
6180 | } | |
6181 | ||
6182 | static int | |
6183 | qeth_layer2_deregister_addr_entry(struct qeth_card *card, | |
6184 | struct qeth_ipaddr *addr) | |
6185 | { | |
6186 | if (!addr->is_multicast) | |
6187 | return 0; | |
6188 | QETH_DBF_TEXT(trace, 2, "delgmac"); | |
6189 | QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN); | |
6190 | return qeth_layer2_send_delgroupmac(card, &addr->mac[0]); | |
6191 | } | |
6192 | ||
6193 | static int | |
6194 | qeth_layer3_register_addr_entry(struct qeth_card *card, | |
6195 | struct qeth_ipaddr *addr) | |
6196 | { | |
6197 | char buf[50]; | |
6198 | int rc; | |
6199 | int cnt = 3; | |
6200 | ||
6201 | if (addr->proto == QETH_PROT_IPV4) { | |
6202 | QETH_DBF_TEXT(trace, 2,"setaddr4"); | |
6203 | QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int)); | |
6204 | } else if (addr->proto == QETH_PROT_IPV6) { | |
6205 | QETH_DBF_TEXT(trace, 2, "setaddr6"); | |
6206 | QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8); | |
6207 | QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8); | |
6208 | } else { | |
6209 | QETH_DBF_TEXT(trace, 2, "setaddr?"); | |
6210 | QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr)); | |
6211 | } | |
6212 | do { | |
6213 | if (addr->is_multicast) | |
6214 | rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
6215 | else | |
6216 | rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP, | |
6217 | addr->set_flags); | |
6218 | if (rc) | |
6219 | QETH_DBF_TEXT(trace, 2, "failed"); | |
6220 | } while ((--cnt > 0) && rc); | |
6221 | if (rc){ | |
6222 | QETH_DBF_TEXT(trace, 2, "FAILED"); | |
6223 | qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); | |
6224 | PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n", | |
6225 | buf, rc, rc); | |
6226 | } | |
6227 | return rc; | |
6228 | } | |
6229 | ||
6230 | static int | |
6231 | qeth_layer3_deregister_addr_entry(struct qeth_card *card, | |
6232 | struct qeth_ipaddr *addr) | |
6233 | { | |
6234 | //char buf[50]; | |
6235 | int rc; | |
6236 | ||
6237 | if (addr->proto == QETH_PROT_IPV4) { | |
6238 | QETH_DBF_TEXT(trace, 2,"deladdr4"); | |
6239 | QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int)); | |
6240 | } else if (addr->proto == QETH_PROT_IPV6) { | |
6241 | QETH_DBF_TEXT(trace, 2, "deladdr6"); | |
6242 | QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8); | |
6243 | QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8); | |
6244 | } else { | |
6245 | QETH_DBF_TEXT(trace, 2, "deladdr?"); | |
6246 | QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr)); | |
6247 | } | |
6248 | if (addr->is_multicast) | |
6249 | rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
6250 | else | |
6251 | rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP, | |
6252 | addr->del_flags); | |
6253 | if (rc) { | |
6254 | QETH_DBF_TEXT(trace, 2, "failed"); | |
6255 | /* TODO: re-activate this warning as soon as we have a | |
6256 | * clean mirco code | |
6257 | qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); | |
6258 | PRINT_WARN("Could not deregister IP address %s (rc=%x)\n", | |
6259 | buf, rc); | |
6260 | */ | |
6261 | } | |
6262 | return rc; | |
6263 | } | |
6264 | ||
6265 | static int | |
6266 | qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) | |
6267 | { | |
6268 | if (card->options.layer2) | |
6269 | return qeth_layer2_register_addr_entry(card, addr); | |
6270 | ||
6271 | return qeth_layer3_register_addr_entry(card, addr); | |
6272 | } | |
6273 | ||
6274 | static int | |
6275 | qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) | |
6276 | { | |
6277 | if (card->options.layer2) | |
6278 | return qeth_layer2_deregister_addr_entry(card, addr); | |
6279 | ||
6280 | return qeth_layer3_deregister_addr_entry(card, addr); | |
6281 | } | |
6282 | ||
6283 | static u32 | |
6284 | qeth_ethtool_get_tx_csum(struct net_device *dev) | |
6285 | { | |
6286 | /* We may need to say that we support tx csum offload if | |
6287 | * we do EDDP or TSO. There are discussions going on to | |
6288 | * enforce rules in the stack and in ethtool that make | |
6289 | * SG and TSO depend on HW_CSUM. At the moment there are | |
6290 | * no such rules.... | |
6291 | * If we say yes here, we have to checksum outbound packets | |
6292 | * any time. */ | |
6293 | return 0; | |
6294 | } | |
6295 | ||
6296 | static int | |
6297 | qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data) | |
6298 | { | |
6299 | return -EINVAL; | |
6300 | } | |
6301 | ||
6302 | static u32 | |
6303 | qeth_ethtool_get_rx_csum(struct net_device *dev) | |
6304 | { | |
6305 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
6306 | ||
6307 | return (card->options.checksum_type == HW_CHECKSUMMING); | |
6308 | } | |
6309 | ||
6310 | static int | |
6311 | qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data) | |
6312 | { | |
6313 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
6314 | ||
6315 | if ((card->state != CARD_STATE_DOWN) && | |
6316 | (card->state != CARD_STATE_RECOVER)) | |
6317 | return -EPERM; | |
6318 | if (data) | |
6319 | card->options.checksum_type = HW_CHECKSUMMING; | |
6320 | else | |
6321 | card->options.checksum_type = SW_CHECKSUMMING; | |
6322 | return 0; | |
6323 | } | |
6324 | ||
6325 | static u32 | |
6326 | qeth_ethtool_get_sg(struct net_device *dev) | |
6327 | { | |
6328 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
6329 | ||
6330 | return ((card->options.large_send != QETH_LARGE_SEND_NO) && | |
6331 | (dev->features & NETIF_F_SG)); | |
6332 | } | |
6333 | ||
6334 | static int | |
6335 | qeth_ethtool_set_sg(struct net_device *dev, u32 data) | |
6336 | { | |
6337 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
6338 | ||
6339 | if (data) { | |
6340 | if (card->options.large_send != QETH_LARGE_SEND_NO) | |
6341 | dev->features |= NETIF_F_SG; | |
6342 | else { | |
6343 | dev->features &= ~NETIF_F_SG; | |
6344 | return -EINVAL; | |
6345 | } | |
6346 | } else | |
6347 | dev->features &= ~NETIF_F_SG; | |
6348 | return 0; | |
6349 | } | |
6350 | ||
6351 | static u32 | |
6352 | qeth_ethtool_get_tso(struct net_device *dev) | |
6353 | { | |
6354 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
6355 | ||
6356 | return ((card->options.large_send != QETH_LARGE_SEND_NO) && | |
6357 | (dev->features & NETIF_F_TSO)); | |
6358 | } | |
6359 | ||
6360 | static int | |
6361 | qeth_ethtool_set_tso(struct net_device *dev, u32 data) | |
6362 | { | |
6363 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
6364 | ||
6365 | if (data) { | |
6366 | if (card->options.large_send != QETH_LARGE_SEND_NO) | |
6367 | dev->features |= NETIF_F_TSO; | |
6368 | else { | |
6369 | dev->features &= ~NETIF_F_TSO; | |
6370 | return -EINVAL; | |
6371 | } | |
6372 | } else | |
6373 | dev->features &= ~NETIF_F_TSO; | |
6374 | return 0; | |
6375 | } | |
6376 | ||
6377 | static struct ethtool_ops qeth_ethtool_ops = { | |
6378 | .get_tx_csum = qeth_ethtool_get_tx_csum, | |
6379 | .set_tx_csum = qeth_ethtool_set_tx_csum, | |
6380 | .get_rx_csum = qeth_ethtool_get_rx_csum, | |
6381 | .set_rx_csum = qeth_ethtool_set_rx_csum, | |
6382 | .get_sg = qeth_ethtool_get_sg, | |
6383 | .set_sg = qeth_ethtool_set_sg, | |
6384 | .get_tso = qeth_ethtool_get_tso, | |
6385 | .set_tso = qeth_ethtool_set_tso, | |
6386 | }; | |
6387 | ||
6388 | static int | |
6389 | qeth_netdev_init(struct net_device *dev) | |
6390 | { | |
6391 | struct qeth_card *card; | |
6392 | ||
6393 | card = (struct qeth_card *) dev->priv; | |
6394 | ||
6395 | QETH_DBF_TEXT(trace,3,"initdev"); | |
6396 | ||
6397 | dev->tx_timeout = &qeth_tx_timeout; | |
6398 | dev->watchdog_timeo = QETH_TX_TIMEOUT; | |
6399 | dev->open = qeth_open; | |
6400 | dev->stop = qeth_stop; | |
6401 | dev->hard_start_xmit = qeth_hard_start_xmit; | |
6402 | dev->do_ioctl = qeth_do_ioctl; | |
6403 | dev->get_stats = qeth_get_stats; | |
6404 | dev->change_mtu = qeth_change_mtu; | |
6405 | dev->neigh_setup = qeth_neigh_setup; | |
6406 | dev->set_multicast_list = qeth_set_multicast_list; | |
6407 | #ifdef CONFIG_QETH_VLAN | |
6408 | dev->vlan_rx_register = qeth_vlan_rx_register; | |
6409 | dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid; | |
6410 | dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid; | |
6411 | #endif | |
6412 | dev->hard_header = card->orig_hard_header; | |
6413 | if (qeth_get_netdev_flags(card) & IFF_NOARP) { | |
6414 | dev->rebuild_header = NULL; | |
6415 | dev->hard_header = NULL; | |
6416 | if (card->options.fake_ll) | |
6417 | dev->hard_header = qeth_fake_header; | |
6418 | dev->header_cache_update = NULL; | |
6419 | dev->hard_header_cache = NULL; | |
6420 | } | |
6421 | #ifdef CONFIG_QETH_IPV6 | |
6422 | /*IPv6 address autoconfiguration stuff*/ | |
6423 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
6424 | card->dev->dev_id = card->info.unique_id & 0xffff; | |
6425 | #endif | |
6426 | dev->hard_header_parse = NULL; | |
6427 | dev->set_mac_address = qeth_layer2_set_mac_address; | |
6428 | dev->flags |= qeth_get_netdev_flags(card); | |
6429 | if ((card->options.fake_broadcast) || | |
6430 | (card->info.broadcast_capable)) | |
6431 | dev->flags |= IFF_BROADCAST; | |
6432 | dev->hard_header_len = | |
6433 | qeth_get_hlen(card->info.link_type) + card->options.add_hhlen; | |
6434 | dev->addr_len = OSA_ADDR_LEN; | |
6435 | dev->mtu = card->info.initial_mtu; | |
500f83ab UB |
6436 | if (card->info.type != QETH_CARD_TYPE_OSN) |
6437 | SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops); | |
1da177e4 LT |
6438 | SET_MODULE_OWNER(dev); |
6439 | return 0; | |
6440 | } | |
6441 | ||
6442 | static void | |
6443 | qeth_init_func_level(struct qeth_card *card) | |
6444 | { | |
6445 | if (card->ipato.enabled) { | |
6446 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
6447 | card->info.func_level = | |
6448 | QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT; | |
6449 | else | |
6450 | card->info.func_level = | |
6451 | QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT; | |
6452 | } else { | |
6453 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
500f83ab | 6454 | /*FIXME:why do we have same values for dis and ena for osae??? */ |
1da177e4 LT |
6455 | card->info.func_level = |
6456 | QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT; | |
6457 | else | |
6458 | card->info.func_level = | |
6459 | QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT; | |
6460 | } | |
6461 | } | |
6462 | ||
6463 | /** | |
6464 | * hardsetup card, initialize MPC and QDIO stuff | |
6465 | */ | |
6466 | static int | |
6467 | qeth_hardsetup_card(struct qeth_card *card) | |
6468 | { | |
6469 | int retries = 3; | |
6470 | int rc; | |
6471 | ||
6472 | QETH_DBF_TEXT(setup, 2, "hrdsetup"); | |
6473 | ||
6474 | retry: | |
6475 | if (retries < 3){ | |
6476 | PRINT_WARN("Retrying to do IDX activates.\n"); | |
6477 | ccw_device_set_offline(CARD_DDEV(card)); | |
6478 | ccw_device_set_offline(CARD_WDEV(card)); | |
6479 | ccw_device_set_offline(CARD_RDEV(card)); | |
6480 | ccw_device_set_online(CARD_RDEV(card)); | |
6481 | ccw_device_set_online(CARD_WDEV(card)); | |
6482 | ccw_device_set_online(CARD_DDEV(card)); | |
6483 | } | |
500f83ab | 6484 | rc = qeth_qdio_clear_card(card,card->info.type!=QETH_CARD_TYPE_IQD); |
1da177e4 LT |
6485 | if (rc == -ERESTARTSYS) { |
6486 | QETH_DBF_TEXT(setup, 2, "break1"); | |
6487 | return rc; | |
6488 | } else if (rc) { | |
6489 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
6490 | if (--retries < 0) | |
6491 | goto out; | |
6492 | else | |
6493 | goto retry; | |
6494 | } | |
6495 | if ((rc = qeth_get_unitaddr(card))){ | |
6496 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
6497 | return rc; | |
6498 | } | |
6499 | qeth_init_tokens(card); | |
6500 | qeth_init_func_level(card); | |
6501 | rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb); | |
6502 | if (rc == -ERESTARTSYS) { | |
6503 | QETH_DBF_TEXT(setup, 2, "break2"); | |
6504 | return rc; | |
6505 | } else if (rc) { | |
6506 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
6507 | if (--retries < 0) | |
6508 | goto out; | |
6509 | else | |
6510 | goto retry; | |
6511 | } | |
6512 | rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb); | |
6513 | if (rc == -ERESTARTSYS) { | |
6514 | QETH_DBF_TEXT(setup, 2, "break3"); | |
6515 | return rc; | |
6516 | } else if (rc) { | |
6517 | QETH_DBF_TEXT_(setup, 2, "4err%d", rc); | |
6518 | if (--retries < 0) | |
6519 | goto out; | |
6520 | else | |
6521 | goto retry; | |
6522 | } | |
6523 | if ((rc = qeth_mpc_initialize(card))){ | |
6524 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
6525 | goto out; | |
6526 | } | |
6527 | /*network device will be recovered*/ | |
6528 | if (card->dev) { | |
6529 | card->dev->hard_header = card->orig_hard_header; | |
6530 | return 0; | |
6531 | } | |
6532 | /* at first set_online allocate netdev */ | |
6533 | card->dev = qeth_get_netdevice(card->info.type, | |
6534 | card->info.link_type); | |
6535 | if (!card->dev){ | |
500f83ab UB |
6536 | qeth_qdio_clear_card(card, card->info.type != |
6537 | QETH_CARD_TYPE_IQD); | |
1da177e4 LT |
6538 | rc = -ENODEV; |
6539 | QETH_DBF_TEXT_(setup, 2, "6err%d", rc); | |
6540 | goto out; | |
6541 | } | |
6542 | card->dev->priv = card; | |
6543 | card->orig_hard_header = card->dev->hard_header; | |
6544 | card->dev->type = qeth_get_arphdr_type(card->info.type, | |
6545 | card->info.link_type); | |
6546 | card->dev->init = qeth_netdev_init; | |
6547 | return 0; | |
6548 | out: | |
6549 | PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc); | |
6550 | return rc; | |
6551 | } | |
6552 | ||
6553 | static int | |
6554 | qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply, | |
6555 | unsigned long data) | |
6556 | { | |
6557 | struct qeth_ipa_cmd *cmd; | |
6558 | ||
6559 | QETH_DBF_TEXT(trace,4,"defadpcb"); | |
6560 | ||
6561 | cmd = (struct qeth_ipa_cmd *) data; | |
6562 | if (cmd->hdr.return_code == 0){ | |
6563 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
6564 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
6565 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
6566 | #ifdef CONFIG_QETH_IPV6 | |
6567 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
6568 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
6569 | #endif | |
6570 | } | |
6571 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
6572 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
6573 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
6574 | QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask); | |
6575 | } | |
6576 | return 0; | |
6577 | } | |
6578 | ||
6579 | static int | |
6580 | qeth_default_setadapterparms_cb(struct qeth_card *card, | |
6581 | struct qeth_reply *reply, | |
6582 | unsigned long data) | |
6583 | { | |
6584 | struct qeth_ipa_cmd *cmd; | |
6585 | ||
6586 | QETH_DBF_TEXT(trace,4,"defadpcb"); | |
6587 | ||
6588 | cmd = (struct qeth_ipa_cmd *) data; | |
6589 | if (cmd->hdr.return_code == 0) | |
6590 | cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; | |
6591 | return 0; | |
6592 | } | |
6593 | ||
6c951b90 FP |
6594 | |
6595 | ||
1da177e4 LT |
6596 | static int |
6597 | qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, | |
6598 | unsigned long data) | |
6599 | { | |
6600 | struct qeth_ipa_cmd *cmd; | |
6601 | ||
6602 | QETH_DBF_TEXT(trace,3,"quyadpcb"); | |
6603 | ||
6604 | cmd = (struct qeth_ipa_cmd *) data; | |
6605 | if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) | |
6606 | card->info.link_type = | |
6607 | cmd->data.setadapterparms.data.query_cmds_supp.lan_type; | |
6608 | card->options.adp.supported_funcs = | |
6609 | cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds; | |
6610 | return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); | |
6611 | } | |
6612 | ||
6613 | static int | |
6614 | qeth_query_setadapterparms(struct qeth_card *card) | |
6615 | { | |
6616 | int rc; | |
6617 | struct qeth_cmd_buffer *iob; | |
6618 | ||
6619 | QETH_DBF_TEXT(trace,3,"queryadp"); | |
6620 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED, | |
6621 | sizeof(struct qeth_ipacmd_setadpparms)); | |
6622 | rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL); | |
6623 | return rc; | |
6624 | } | |
6625 | ||
6626 | static int | |
6627 | qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, | |
6628 | struct qeth_reply *reply, | |
6629 | unsigned long data) | |
6630 | { | |
6631 | struct qeth_ipa_cmd *cmd; | |
6632 | ||
6633 | QETH_DBF_TEXT(trace,4,"chgmaccb"); | |
6634 | ||
6635 | cmd = (struct qeth_ipa_cmd *) data; | |
e08d88cc FP |
6636 | if (!card->options.layer2 || card->info.guestlan || |
6637 | !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) { | |
6638 | memcpy(card->dev->dev_addr, | |
6639 | &cmd->data.setadapterparms.data.change_addr.addr, | |
6640 | OSA_ADDR_LEN); | |
6641 | card->info.mac_bits |= QETH_LAYER2_MAC_READ; | |
6642 | } | |
1da177e4 LT |
6643 | qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); |
6644 | return 0; | |
6645 | } | |
6646 | ||
6647 | static int | |
6648 | qeth_setadpparms_change_macaddr(struct qeth_card *card) | |
6649 | { | |
6650 | int rc; | |
6651 | struct qeth_cmd_buffer *iob; | |
6652 | struct qeth_ipa_cmd *cmd; | |
6653 | ||
6654 | QETH_DBF_TEXT(trace,4,"chgmac"); | |
6655 | ||
6656 | iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS, | |
6657 | sizeof(struct qeth_ipacmd_setadpparms)); | |
6658 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6659 | cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC; | |
6660 | cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN; | |
6661 | memcpy(&cmd->data.setadapterparms.data.change_addr.addr, | |
6662 | card->dev->dev_addr, OSA_ADDR_LEN); | |
6663 | rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb, | |
6664 | NULL); | |
6665 | return rc; | |
6666 | } | |
6667 | ||
6668 | static int | |
6669 | qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode) | |
6670 | { | |
6671 | int rc; | |
6672 | struct qeth_cmd_buffer *iob; | |
6673 | struct qeth_ipa_cmd *cmd; | |
6674 | ||
6675 | QETH_DBF_TEXT(trace,4,"adpmode"); | |
6676 | ||
6677 | iob = qeth_get_adapter_cmd(card, command, | |
6678 | sizeof(struct qeth_ipacmd_setadpparms)); | |
6679 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6680 | cmd->data.setadapterparms.data.mode = mode; | |
6681 | rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, | |
6682 | NULL); | |
6683 | return rc; | |
6684 | } | |
6685 | ||
6686 | static inline int | |
6687 | qeth_setadapter_hstr(struct qeth_card *card) | |
6688 | { | |
6689 | int rc; | |
6690 | ||
6691 | QETH_DBF_TEXT(trace,4,"adphstr"); | |
6692 | ||
6693 | if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) { | |
6694 | rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE, | |
6695 | card->options.broadcast_mode); | |
6696 | if (rc) | |
6697 | PRINT_WARN("couldn't set broadcast mode on " | |
6698 | "device %s: x%x\n", | |
6699 | CARD_BUS_ID(card), rc); | |
6700 | rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS, | |
6701 | card->options.macaddr_mode); | |
6702 | if (rc) | |
6703 | PRINT_WARN("couldn't set macaddr mode on " | |
6704 | "device %s: x%x\n", CARD_BUS_ID(card), rc); | |
6705 | return rc; | |
6706 | } | |
6707 | if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) | |
6708 | PRINT_WARN("set adapter parameters not available " | |
6709 | "to set broadcast mode, using ALLRINGS " | |
6710 | "on device %s:\n", CARD_BUS_ID(card)); | |
6711 | if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) | |
6712 | PRINT_WARN("set adapter parameters not available " | |
6713 | "to set macaddr mode, using NONCANONICAL " | |
6714 | "on device %s:\n", CARD_BUS_ID(card)); | |
6715 | return 0; | |
6716 | } | |
6717 | ||
6718 | static int | |
6719 | qeth_setadapter_parms(struct qeth_card *card) | |
6720 | { | |
6721 | int rc; | |
6722 | ||
6723 | QETH_DBF_TEXT(setup, 2, "setadprm"); | |
6724 | ||
6725 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){ | |
6726 | PRINT_WARN("set adapter parameters not supported " | |
6727 | "on device %s.\n", | |
6728 | CARD_BUS_ID(card)); | |
6729 | QETH_DBF_TEXT(setup, 2, " notsupp"); | |
6730 | return 0; | |
6731 | } | |
6732 | rc = qeth_query_setadapterparms(card); | |
6733 | if (rc) { | |
6734 | PRINT_WARN("couldn't set adapter parameters on device %s: " | |
6735 | "x%x\n", CARD_BUS_ID(card), rc); | |
6736 | return rc; | |
6737 | } | |
6738 | if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
6739 | rc = qeth_setadpparms_change_macaddr(card); | |
6740 | if (rc) | |
6741 | PRINT_WARN("couldn't get MAC address on " | |
6742 | "device %s: x%x\n", | |
6743 | CARD_BUS_ID(card), rc); | |
6744 | } | |
6745 | ||
6746 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || | |
6747 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) | |
6748 | rc = qeth_setadapter_hstr(card); | |
6749 | ||
6750 | return rc; | |
6751 | } | |
6752 | ||
6753 | static int | |
6754 | qeth_layer2_initialize(struct qeth_card *card) | |
6755 | { | |
6756 | int rc = 0; | |
6757 | ||
6758 | ||
6759 | QETH_DBF_TEXT(setup, 2, "doL2init"); | |
6760 | QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card)); | |
6761 | ||
6c951b90 FP |
6762 | rc = qeth_query_setadapterparms(card); |
6763 | if (rc) { | |
6764 | PRINT_WARN("could not query adapter parameters on device %s: " | |
6765 | "x%x\n", CARD_BUS_ID(card), rc); | |
6766 | } | |
6767 | ||
1da177e4 LT |
6768 | rc = qeth_setadpparms_change_macaddr(card); |
6769 | if (rc) { | |
6770 | PRINT_WARN("couldn't get MAC address on " | |
6771 | "device %s: x%x\n", | |
6772 | CARD_BUS_ID(card), rc); | |
6773 | QETH_DBF_TEXT_(setup, 2,"1err%d",rc); | |
6774 | return rc; | |
6775 | } | |
6776 | QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN); | |
6777 | ||
6778 | rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]); | |
6779 | if (rc) | |
6780 | QETH_DBF_TEXT_(setup, 2,"2err%d",rc); | |
6781 | return 0; | |
6782 | } | |
6783 | ||
6784 | ||
6785 | static int | |
6786 | qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd, | |
6787 | enum qeth_prot_versions prot) | |
6788 | { | |
6789 | int rc; | |
6790 | struct qeth_cmd_buffer *iob; | |
6791 | ||
6792 | iob = qeth_get_ipacmd_buffer(card,ipacmd,prot); | |
6793 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
6794 | ||
6795 | return rc; | |
6796 | } | |
6797 | ||
6798 | static int | |
6799 | qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot) | |
6800 | { | |
6801 | int rc; | |
6802 | ||
6803 | QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot); | |
6804 | ||
6805 | rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot); | |
6806 | return rc; | |
6807 | } | |
6808 | ||
6809 | static int | |
6810 | qeth_send_stoplan(struct qeth_card *card) | |
6811 | { | |
6812 | int rc = 0; | |
6813 | ||
6814 | /* | |
6815 | * TODO: according to the IPA format document page 14, | |
6816 | * TCP/IP (we!) never issue a STOPLAN | |
6817 | * is this right ?!? | |
6818 | */ | |
6819 | QETH_DBF_TEXT(trace, 2, "stoplan"); | |
6820 | ||
6821 | rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4); | |
6822 | return rc; | |
6823 | } | |
6824 | ||
6825 | static int | |
6826 | qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply, | |
6827 | unsigned long data) | |
6828 | { | |
6829 | struct qeth_ipa_cmd *cmd; | |
6830 | ||
6831 | QETH_DBF_TEXT(setup, 2, "qipasscb"); | |
6832 | ||
6833 | cmd = (struct qeth_ipa_cmd *) data; | |
6834 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) { | |
6835 | card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; | |
6836 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
9123e0d7 UB |
6837 | /* Disable IPV6 support hard coded for Hipersockets */ |
6838 | if(card->info.type == QETH_CARD_TYPE_IQD) | |
6839 | card->options.ipa4.supported_funcs &= ~IPA_IPV6; | |
1da177e4 LT |
6840 | } else { |
6841 | #ifdef CONFIG_QETH_IPV6 | |
6842 | card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; | |
6843 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
6844 | #endif | |
6845 | } | |
6846 | QETH_DBF_TEXT(setup, 2, "suppenbl"); | |
6847 | QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported); | |
6848 | QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled); | |
6849 | return 0; | |
6850 | } | |
6851 | ||
6852 | static int | |
6853 | qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot) | |
6854 | { | |
6855 | int rc; | |
6856 | struct qeth_cmd_buffer *iob; | |
6857 | ||
6858 | QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot); | |
6859 | if (card->options.layer2) { | |
6860 | QETH_DBF_TEXT(setup, 2, "noprmly2"); | |
6861 | return -EPERM; | |
6862 | } | |
6863 | ||
6864 | iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot); | |
6865 | rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL); | |
6866 | return rc; | |
6867 | } | |
6868 | ||
6869 | static struct qeth_cmd_buffer * | |
6870 | qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, | |
6871 | __u16 cmd_code, __u16 len, | |
6872 | enum qeth_prot_versions prot) | |
6873 | { | |
6874 | struct qeth_cmd_buffer *iob; | |
6875 | struct qeth_ipa_cmd *cmd; | |
6876 | ||
6877 | QETH_DBF_TEXT(trace,4,"getasscm"); | |
6878 | iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot); | |
6879 | ||
6880 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6881 | cmd->data.setassparms.hdr.assist_no = ipa_func; | |
6882 | cmd->data.setassparms.hdr.length = 8 + len; | |
6883 | cmd->data.setassparms.hdr.command_code = cmd_code; | |
6884 | cmd->data.setassparms.hdr.return_code = 0; | |
6885 | cmd->data.setassparms.hdr.seq_no = 0; | |
6886 | ||
6887 | return iob; | |
6888 | } | |
6889 | ||
6890 | static int | |
6891 | qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
6892 | __u16 len, long data, | |
6893 | int (*reply_cb) | |
6894 | (struct qeth_card *,struct qeth_reply *,unsigned long), | |
6895 | void *reply_param) | |
6896 | { | |
6897 | int rc; | |
6898 | struct qeth_ipa_cmd *cmd; | |
6899 | ||
6900 | QETH_DBF_TEXT(trace,4,"sendassp"); | |
6901 | ||
6902 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6903 | if (len <= sizeof(__u32)) | |
6904 | cmd->data.setassparms.data.flags_32bit = (__u32) data; | |
6905 | else if (len > sizeof(__u32)) | |
6906 | memcpy(&cmd->data.setassparms.data, (void *) data, len); | |
6907 | ||
6908 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); | |
6909 | return rc; | |
6910 | } | |
6911 | ||
6912 | #ifdef CONFIG_QETH_IPV6 | |
6913 | static int | |
6914 | qeth_send_simple_setassparms_ipv6(struct qeth_card *card, | |
6915 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
6916 | ||
6917 | { | |
6918 | int rc; | |
6919 | struct qeth_cmd_buffer *iob; | |
6920 | ||
6921 | QETH_DBF_TEXT(trace,4,"simassp6"); | |
6922 | iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, | |
6923 | 0, QETH_PROT_IPV6); | |
6924 | rc = qeth_send_setassparms(card, iob, 0, 0, | |
6925 | qeth_default_setassparms_cb, NULL); | |
6926 | return rc; | |
6927 | } | |
6928 | #endif | |
6929 | ||
6930 | static int | |
6931 | qeth_send_simple_setassparms(struct qeth_card *card, | |
6932 | enum qeth_ipa_funcs ipa_func, | |
6933 | __u16 cmd_code, long data) | |
6934 | { | |
6935 | int rc; | |
6936 | int length = 0; | |
6937 | struct qeth_cmd_buffer *iob; | |
6938 | ||
6939 | QETH_DBF_TEXT(trace,4,"simassp4"); | |
6940 | if (data) | |
6941 | length = sizeof(__u32); | |
6942 | iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, | |
6943 | length, QETH_PROT_IPV4); | |
6944 | rc = qeth_send_setassparms(card, iob, length, data, | |
6945 | qeth_default_setassparms_cb, NULL); | |
6946 | return rc; | |
6947 | } | |
6948 | ||
6949 | static inline int | |
6950 | qeth_start_ipa_arp_processing(struct qeth_card *card) | |
6951 | { | |
6952 | int rc; | |
6953 | ||
6954 | QETH_DBF_TEXT(trace,3,"ipaarp"); | |
6955 | ||
6956 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
6957 | PRINT_WARN("ARP processing not supported " | |
6958 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
6959 | return 0; | |
6960 | } | |
6961 | rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING, | |
6962 | IPA_CMD_ASS_START, 0); | |
6963 | if (rc) { | |
6964 | PRINT_WARN("Could not start ARP processing " | |
6965 | "assist on %s: 0x%x\n", | |
6966 | QETH_CARD_IFNAME(card), rc); | |
6967 | } | |
6968 | return rc; | |
6969 | } | |
6970 | ||
6971 | static int | |
6972 | qeth_start_ipa_ip_fragmentation(struct qeth_card *card) | |
6973 | { | |
6974 | int rc; | |
6975 | ||
6976 | QETH_DBF_TEXT(trace,3,"ipaipfrg"); | |
6977 | ||
6978 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
6979 | PRINT_INFO("Hardware IP fragmentation not supported on %s\n", | |
6980 | QETH_CARD_IFNAME(card)); | |
6981 | return -EOPNOTSUPP; | |
6982 | } | |
6983 | ||
6984 | rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, | |
6985 | IPA_CMD_ASS_START, 0); | |
6986 | if (rc) { | |
6987 | PRINT_WARN("Could not start Hardware IP fragmentation " | |
6988 | "assist on %s: 0x%x\n", | |
6989 | QETH_CARD_IFNAME(card), rc); | |
6990 | } else | |
6991 | PRINT_INFO("Hardware IP fragmentation enabled \n"); | |
6992 | return rc; | |
6993 | } | |
6994 | ||
6995 | static int | |
6996 | qeth_start_ipa_source_mac(struct qeth_card *card) | |
6997 | { | |
6998 | int rc; | |
6999 | ||
7000 | QETH_DBF_TEXT(trace,3,"stsrcmac"); | |
7001 | ||
7002 | if (!card->options.fake_ll) | |
7003 | return -EOPNOTSUPP; | |
7004 | ||
7005 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { | |
7006 | PRINT_INFO("Inbound source address not " | |
7007 | "supported on %s\n", QETH_CARD_IFNAME(card)); | |
7008 | return -EOPNOTSUPP; | |
7009 | } | |
7010 | ||
7011 | rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC, | |
7012 | IPA_CMD_ASS_START, 0); | |
7013 | if (rc) | |
7014 | PRINT_WARN("Could not start inbound source " | |
7015 | "assist on %s: 0x%x\n", | |
7016 | QETH_CARD_IFNAME(card), rc); | |
7017 | return rc; | |
7018 | } | |
7019 | ||
7020 | static int | |
7021 | qeth_start_ipa_vlan(struct qeth_card *card) | |
7022 | { | |
7023 | int rc = 0; | |
7024 | ||
7025 | QETH_DBF_TEXT(trace,3,"strtvlan"); | |
7026 | ||
7027 | #ifdef CONFIG_QETH_VLAN | |
7028 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
7029 | PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
7030 | return -EOPNOTSUPP; | |
7031 | } | |
7032 | ||
7033 | rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO, | |
7034 | IPA_CMD_ASS_START,0); | |
7035 | if (rc) { | |
7036 | PRINT_WARN("Could not start vlan " | |
7037 | "assist on %s: 0x%x\n", | |
7038 | QETH_CARD_IFNAME(card), rc); | |
7039 | } else { | |
7040 | PRINT_INFO("VLAN enabled \n"); | |
7041 | card->dev->features |= | |
7042 | NETIF_F_HW_VLAN_FILTER | | |
7043 | NETIF_F_HW_VLAN_TX | | |
7044 | NETIF_F_HW_VLAN_RX; | |
7045 | } | |
7046 | #endif /* QETH_VLAN */ | |
7047 | return rc; | |
7048 | } | |
7049 | ||
7050 | static int | |
7051 | qeth_start_ipa_multicast(struct qeth_card *card) | |
7052 | { | |
7053 | int rc; | |
7054 | ||
7055 | QETH_DBF_TEXT(trace,3,"stmcast"); | |
7056 | ||
7057 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
7058 | PRINT_WARN("Multicast not supported on %s\n", | |
7059 | QETH_CARD_IFNAME(card)); | |
7060 | return -EOPNOTSUPP; | |
7061 | } | |
7062 | ||
7063 | rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING, | |
7064 | IPA_CMD_ASS_START,0); | |
7065 | if (rc) { | |
7066 | PRINT_WARN("Could not start multicast " | |
7067 | "assist on %s: rc=%i\n", | |
7068 | QETH_CARD_IFNAME(card), rc); | |
7069 | } else { | |
7070 | PRINT_INFO("Multicast enabled\n"); | |
7071 | card->dev->flags |= IFF_MULTICAST; | |
7072 | } | |
7073 | return rc; | |
7074 | } | |
7075 | ||
7076 | #ifdef CONFIG_QETH_IPV6 | |
7077 | static int | |
7078 | qeth_softsetup_ipv6(struct qeth_card *card) | |
7079 | { | |
7080 | int rc; | |
7081 | ||
7082 | QETH_DBF_TEXT(trace,3,"softipv6"); | |
7083 | ||
7084 | netif_stop_queue(card->dev); | |
7085 | rc = qeth_send_startlan(card, QETH_PROT_IPV6); | |
7086 | if (rc) { | |
7087 | PRINT_ERR("IPv6 startlan failed on %s\n", | |
7088 | QETH_CARD_IFNAME(card)); | |
7089 | return rc; | |
7090 | } | |
7091 | netif_wake_queue(card->dev); | |
7092 | rc = qeth_query_ipassists(card,QETH_PROT_IPV6); | |
7093 | if (rc) { | |
7094 | PRINT_ERR("IPv6 query ipassist failed on %s\n", | |
7095 | QETH_CARD_IFNAME(card)); | |
7096 | return rc; | |
7097 | } | |
7098 | rc = qeth_send_simple_setassparms(card, IPA_IPV6, | |
7099 | IPA_CMD_ASS_START, 3); | |
7100 | if (rc) { | |
7101 | PRINT_WARN("IPv6 start assist (version 4) failed " | |
7102 | "on %s: 0x%x\n", | |
7103 | QETH_CARD_IFNAME(card), rc); | |
7104 | return rc; | |
7105 | } | |
7106 | rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
7107 | IPA_CMD_ASS_START); | |
7108 | if (rc) { | |
7109 | PRINT_WARN("IPV6 start assist (version 6) failed " | |
7110 | "on %s: 0x%x\n", | |
7111 | QETH_CARD_IFNAME(card), rc); | |
7112 | return rc; | |
7113 | } | |
7114 | rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
7115 | IPA_CMD_ASS_START); | |
7116 | if (rc) { | |
7117 | PRINT_WARN("Could not enable passthrough " | |
7118 | "on %s: 0x%x\n", | |
7119 | QETH_CARD_IFNAME(card), rc); | |
7120 | return rc; | |
7121 | } | |
7122 | PRINT_INFO("IPV6 enabled \n"); | |
7123 | return 0; | |
7124 | } | |
7125 | ||
7126 | #endif | |
7127 | ||
7128 | static int | |
7129 | qeth_start_ipa_ipv6(struct qeth_card *card) | |
7130 | { | |
7131 | int rc = 0; | |
7132 | #ifdef CONFIG_QETH_IPV6 | |
7133 | QETH_DBF_TEXT(trace,3,"strtipv6"); | |
7134 | ||
7135 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
7136 | PRINT_WARN("IPv6 not supported on %s\n", | |
7137 | QETH_CARD_IFNAME(card)); | |
7138 | return 0; | |
7139 | } | |
7140 | rc = qeth_softsetup_ipv6(card); | |
7141 | #endif | |
7142 | return rc ; | |
7143 | } | |
7144 | ||
7145 | static int | |
7146 | qeth_start_ipa_broadcast(struct qeth_card *card) | |
7147 | { | |
7148 | int rc; | |
7149 | ||
7150 | QETH_DBF_TEXT(trace,3,"stbrdcst"); | |
7151 | card->info.broadcast_capable = 0; | |
7152 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
7153 | PRINT_WARN("Broadcast not supported on %s\n", | |
7154 | QETH_CARD_IFNAME(card)); | |
7155 | rc = -EOPNOTSUPP; | |
7156 | goto out; | |
7157 | } | |
7158 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, | |
7159 | IPA_CMD_ASS_START, 0); | |
7160 | if (rc) { | |
7161 | PRINT_WARN("Could not enable broadcasting filtering " | |
7162 | "on %s: 0x%x\n", | |
7163 | QETH_CARD_IFNAME(card), rc); | |
7164 | goto out; | |
7165 | } | |
7166 | ||
7167 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, | |
7168 | IPA_CMD_ASS_CONFIGURE, 1); | |
7169 | if (rc) { | |
7170 | PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n", | |
7171 | QETH_CARD_IFNAME(card), rc); | |
7172 | goto out; | |
7173 | } | |
7174 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
7175 | PRINT_INFO("Broadcast enabled \n"); | |
7176 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, | |
7177 | IPA_CMD_ASS_ENABLE, 1); | |
7178 | if (rc) { | |
7179 | PRINT_WARN("Could not set up broadcast echo filtering on " | |
7180 | "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc); | |
7181 | goto out; | |
7182 | } | |
7183 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
7184 | out: | |
7185 | if (card->info.broadcast_capable) | |
7186 | card->dev->flags |= IFF_BROADCAST; | |
7187 | else | |
7188 | card->dev->flags &= ~IFF_BROADCAST; | |
7189 | return rc; | |
7190 | } | |
7191 | ||
7192 | static int | |
7193 | qeth_send_checksum_command(struct qeth_card *card) | |
7194 | { | |
7195 | int rc; | |
7196 | ||
7197 | rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
7198 | IPA_CMD_ASS_START, 0); | |
7199 | if (rc) { | |
7200 | PRINT_WARN("Starting Inbound HW Checksumming failed on %s: " | |
7201 | "0x%x,\ncontinuing using Inbound SW Checksumming\n", | |
7202 | QETH_CARD_IFNAME(card), rc); | |
7203 | return rc; | |
7204 | } | |
7205 | rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
7206 | IPA_CMD_ASS_ENABLE, | |
7207 | card->info.csum_mask); | |
7208 | if (rc) { | |
7209 | PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: " | |
7210 | "0x%x,\ncontinuing using Inbound SW Checksumming\n", | |
7211 | QETH_CARD_IFNAME(card), rc); | |
7212 | return rc; | |
7213 | } | |
7214 | return 0; | |
7215 | } | |
7216 | ||
7217 | static int | |
7218 | qeth_start_ipa_checksum(struct qeth_card *card) | |
7219 | { | |
7220 | int rc = 0; | |
7221 | ||
7222 | QETH_DBF_TEXT(trace,3,"strtcsum"); | |
7223 | ||
7224 | if (card->options.checksum_type == NO_CHECKSUMMING) { | |
7225 | PRINT_WARN("Using no checksumming on %s.\n", | |
7226 | QETH_CARD_IFNAME(card)); | |
7227 | return 0; | |
7228 | } | |
7229 | if (card->options.checksum_type == SW_CHECKSUMMING) { | |
7230 | PRINT_WARN("Using SW checksumming on %s.\n", | |
7231 | QETH_CARD_IFNAME(card)); | |
7232 | return 0; | |
7233 | } | |
7234 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { | |
7235 | PRINT_WARN("Inbound HW Checksumming not " | |
7236 | "supported on %s,\ncontinuing " | |
7237 | "using Inbound SW Checksumming\n", | |
7238 | QETH_CARD_IFNAME(card)); | |
7239 | card->options.checksum_type = SW_CHECKSUMMING; | |
7240 | return 0; | |
7241 | } | |
7242 | rc = qeth_send_checksum_command(card); | |
7243 | if (!rc) { | |
7244 | PRINT_INFO("HW Checksumming (inbound) enabled \n"); | |
7245 | } | |
7246 | return rc; | |
7247 | } | |
7248 | ||
7249 | static int | |
7250 | qeth_start_ipa_tso(struct qeth_card *card) | |
7251 | { | |
7252 | int rc; | |
7253 | ||
7254 | QETH_DBF_TEXT(trace,3,"sttso"); | |
7255 | ||
7256 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
7257 | PRINT_WARN("Outbound TSO not supported on %s\n", | |
7258 | QETH_CARD_IFNAME(card)); | |
7259 | rc = -EOPNOTSUPP; | |
7260 | } else { | |
7261 | rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO, | |
7262 | IPA_CMD_ASS_START,0); | |
7263 | if (rc) | |
7264 | PRINT_WARN("Could not start outbound TSO " | |
7265 | "assist on %s: rc=%i\n", | |
7266 | QETH_CARD_IFNAME(card), rc); | |
7267 | else | |
7268 | PRINT_INFO("Outbound TSO enabled\n"); | |
7269 | } | |
7270 | if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){ | |
7271 | card->options.large_send = QETH_LARGE_SEND_NO; | |
7272 | card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG); | |
7273 | } | |
7274 | return rc; | |
7275 | } | |
7276 | ||
7277 | static int | |
7278 | qeth_start_ipassists(struct qeth_card *card) | |
7279 | { | |
7280 | QETH_DBF_TEXT(trace,3,"strtipas"); | |
7281 | qeth_start_ipa_arp_processing(card); /* go on*/ | |
7282 | qeth_start_ipa_ip_fragmentation(card); /* go on*/ | |
7283 | qeth_start_ipa_source_mac(card); /* go on*/ | |
7284 | qeth_start_ipa_vlan(card); /* go on*/ | |
7285 | qeth_start_ipa_multicast(card); /* go on*/ | |
7286 | qeth_start_ipa_ipv6(card); /* go on*/ | |
7287 | qeth_start_ipa_broadcast(card); /* go on*/ | |
7288 | qeth_start_ipa_checksum(card); /* go on*/ | |
7289 | qeth_start_ipa_tso(card); /* go on*/ | |
7290 | return 0; | |
7291 | } | |
7292 | ||
7293 | static int | |
7294 | qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type, | |
7295 | enum qeth_prot_versions prot) | |
7296 | { | |
7297 | int rc; | |
7298 | struct qeth_ipa_cmd *cmd; | |
7299 | struct qeth_cmd_buffer *iob; | |
7300 | ||
7301 | QETH_DBF_TEXT(trace,4,"setroutg"); | |
7302 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); | |
7303 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
7304 | cmd->data.setrtg.type = (type); | |
7305 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
7306 | ||
7307 | return rc; | |
7308 | ||
7309 | } | |
7310 | ||
7311 | static void | |
7312 | qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type, | |
7313 | enum qeth_prot_versions prot) | |
7314 | { | |
7315 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
7316 | switch (*type) { | |
7317 | case NO_ROUTER: | |
7318 | case PRIMARY_CONNECTOR: | |
7319 | case SECONDARY_CONNECTOR: | |
7320 | case MULTICAST_ROUTER: | |
7321 | return; | |
7322 | default: | |
7323 | goto out_inval; | |
7324 | } | |
7325 | } else { | |
7326 | switch (*type) { | |
7327 | case NO_ROUTER: | |
7328 | case PRIMARY_ROUTER: | |
7329 | case SECONDARY_ROUTER: | |
7330 | return; | |
7331 | case MULTICAST_ROUTER: | |
7332 | if (qeth_is_ipafunc_supported(card, prot, | |
7333 | IPA_OSA_MC_ROUTER)) | |
7334 | return; | |
7335 | default: | |
7336 | goto out_inval; | |
7337 | } | |
7338 | } | |
7339 | out_inval: | |
7340 | PRINT_WARN("Routing type '%s' not supported for interface %s.\n" | |
7341 | "Router status set to 'no router'.\n", | |
7342 | ((*type == PRIMARY_ROUTER)? "primary router" : | |
7343 | (*type == SECONDARY_ROUTER)? "secondary router" : | |
7344 | (*type == PRIMARY_CONNECTOR)? "primary connector" : | |
7345 | (*type == SECONDARY_CONNECTOR)? "secondary connector" : | |
7346 | (*type == MULTICAST_ROUTER)? "multicast router" : | |
7347 | "unknown"), | |
7348 | card->dev->name); | |
7349 | *type = NO_ROUTER; | |
7350 | } | |
7351 | ||
7352 | int | |
7353 | qeth_setrouting_v4(struct qeth_card *card) | |
7354 | { | |
7355 | int rc; | |
7356 | ||
7357 | QETH_DBF_TEXT(trace,3,"setrtg4"); | |
7358 | ||
7359 | qeth_correct_routing_type(card, &card->options.route4.type, | |
7360 | QETH_PROT_IPV4); | |
7361 | ||
7362 | rc = qeth_send_setrouting(card, card->options.route4.type, | |
7363 | QETH_PROT_IPV4); | |
7364 | if (rc) { | |
7365 | card->options.route4.type = NO_ROUTER; | |
7366 | PRINT_WARN("Error (0x%04x) while setting routing type on %s. " | |
7367 | "Type set to 'no router'.\n", | |
7368 | rc, QETH_CARD_IFNAME(card)); | |
7369 | } | |
7370 | return rc; | |
7371 | } | |
7372 | ||
7373 | int | |
7374 | qeth_setrouting_v6(struct qeth_card *card) | |
7375 | { | |
7376 | int rc = 0; | |
7377 | ||
7378 | QETH_DBF_TEXT(trace,3,"setrtg6"); | |
7379 | #ifdef CONFIG_QETH_IPV6 | |
7380 | ||
7381 | qeth_correct_routing_type(card, &card->options.route6.type, | |
7382 | QETH_PROT_IPV6); | |
7383 | ||
7384 | if ((card->options.route6.type == NO_ROUTER) || | |
7385 | ((card->info.type == QETH_CARD_TYPE_OSAE) && | |
7386 | (card->options.route6.type == MULTICAST_ROUTER) && | |
7387 | !qeth_is_supported6(card,IPA_OSA_MC_ROUTER))) | |
7388 | return 0; | |
7389 | rc = qeth_send_setrouting(card, card->options.route6.type, | |
7390 | QETH_PROT_IPV6); | |
7391 | if (rc) { | |
7392 | card->options.route6.type = NO_ROUTER; | |
7393 | PRINT_WARN("Error (0x%04x) while setting routing type on %s. " | |
7394 | "Type set to 'no router'.\n", | |
7395 | rc, QETH_CARD_IFNAME(card)); | |
7396 | } | |
7397 | #endif | |
7398 | return rc; | |
7399 | } | |
7400 | ||
7401 | int | |
9cb90de8 | 7402 | qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type) |
1da177e4 LT |
7403 | { |
7404 | int rc = 0; | |
7405 | ||
9cb90de8 FP |
7406 | if (card->dev == NULL) { |
7407 | card->options.large_send = type; | |
1da177e4 | 7408 | return 0; |
9cb90de8 | 7409 | } |
1da177e4 | 7410 | netif_stop_queue(card->dev); |
9cb90de8 | 7411 | card->options.large_send = type; |
1da177e4 LT |
7412 | switch (card->options.large_send) { |
7413 | case QETH_LARGE_SEND_EDDP: | |
7414 | card->dev->features |= NETIF_F_TSO | NETIF_F_SG; | |
7415 | break; | |
7416 | case QETH_LARGE_SEND_TSO: | |
7417 | if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){ | |
7418 | card->dev->features |= NETIF_F_TSO | NETIF_F_SG; | |
7419 | } else { | |
7420 | PRINT_WARN("TSO not supported on %s. " | |
7421 | "large_send set to 'no'.\n", | |
7422 | card->dev->name); | |
7423 | card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); | |
7424 | card->options.large_send = QETH_LARGE_SEND_NO; | |
7425 | rc = -EOPNOTSUPP; | |
7426 | } | |
7427 | break; | |
7428 | default: /* includes QETH_LARGE_SEND_NO */ | |
7429 | card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); | |
7430 | break; | |
7431 | } | |
1da177e4 LT |
7432 | netif_wake_queue(card->dev); |
7433 | return rc; | |
7434 | } | |
7435 | ||
7436 | /* | |
7437 | * softsetup card: init IPA stuff | |
7438 | */ | |
7439 | static int | |
7440 | qeth_softsetup_card(struct qeth_card *card) | |
7441 | { | |
7442 | int rc; | |
7443 | ||
7444 | QETH_DBF_TEXT(setup, 2, "softsetp"); | |
7445 | ||
7446 | if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){ | |
7447 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
7448 | if (rc == 0xe080){ | |
7449 | PRINT_WARN("LAN on card %s if offline! " | |
7450 | "Continuing softsetup.\n", | |
7451 | CARD_BUS_ID(card)); | |
7452 | card->lan_online = 0; | |
7453 | } else | |
7454 | return rc; | |
7455 | } else | |
7456 | card->lan_online = 1; | |
500f83ab UB |
7457 | if (card->info.type==QETH_CARD_TYPE_OSN) |
7458 | goto out; | |
1da177e4 LT |
7459 | if (card->options.layer2) { |
7460 | card->dev->features |= | |
7461 | NETIF_F_HW_VLAN_FILTER | | |
7462 | NETIF_F_HW_VLAN_TX | | |
7463 | NETIF_F_HW_VLAN_RX; | |
7464 | card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST; | |
7465 | card->info.broadcast_capable=1; | |
7466 | if ((rc = qeth_layer2_initialize(card))) { | |
7467 | QETH_DBF_TEXT_(setup, 2, "L2err%d", rc); | |
7468 | return rc; | |
7469 | } | |
7470 | #ifdef CONFIG_QETH_VLAN | |
7471 | qeth_layer2_process_vlans(card, 0); | |
7472 | #endif | |
7473 | goto out; | |
7474 | } | |
7475 | if ((card->options.large_send == QETH_LARGE_SEND_EDDP) || | |
7476 | (card->options.large_send == QETH_LARGE_SEND_TSO)) | |
7477 | card->dev->features |= NETIF_F_TSO | NETIF_F_SG; | |
7478 | else | |
7479 | card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); | |
7480 | ||
7481 | if ((rc = qeth_setadapter_parms(card))) | |
7482 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
7483 | if ((rc = qeth_start_ipassists(card))) | |
7484 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
7485 | if ((rc = qeth_setrouting_v4(card))) | |
7486 | QETH_DBF_TEXT_(setup, 2, "4err%d", rc); | |
7487 | if ((rc = qeth_setrouting_v6(card))) | |
7488 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
7489 | out: | |
7490 | netif_stop_queue(card->dev); | |
7491 | return 0; | |
7492 | } | |
7493 | ||
7494 | #ifdef CONFIG_QETH_IPV6 | |
7495 | static int | |
7496 | qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply, | |
7497 | unsigned long data) | |
7498 | { | |
7499 | struct qeth_ipa_cmd *cmd; | |
7500 | ||
7501 | cmd = (struct qeth_ipa_cmd *) data; | |
7502 | if (cmd->hdr.return_code == 0) | |
7503 | card->info.unique_id = *((__u16 *) | |
7504 | &cmd->data.create_destroy_addr.unique_id[6]); | |
7505 | else { | |
7506 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
7507 | UNIQUE_ID_NOT_BY_CARD; | |
7508 | PRINT_WARN("couldn't get a unique id from the card on device " | |
7509 | "%s (result=x%x), using default id. ipv6 " | |
7510 | "autoconfig on other lpars may lead to duplicate " | |
7511 | "ip addresses. please use manually " | |
7512 | "configured ones.\n", | |
7513 | CARD_BUS_ID(card), cmd->hdr.return_code); | |
7514 | } | |
7515 | return 0; | |
7516 | } | |
7517 | #endif | |
7518 | ||
7519 | static int | |
7520 | qeth_put_unique_id(struct qeth_card *card) | |
7521 | { | |
7522 | ||
7523 | int rc = 0; | |
7524 | #ifdef CONFIG_QETH_IPV6 | |
7525 | struct qeth_cmd_buffer *iob; | |
7526 | struct qeth_ipa_cmd *cmd; | |
7527 | ||
7528 | QETH_DBF_TEXT(trace,2,"puniqeid"); | |
7529 | ||
7530 | if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) == | |
7531 | UNIQUE_ID_NOT_BY_CARD) | |
7532 | return -1; | |
7533 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR, | |
7534 | QETH_PROT_IPV6); | |
7535 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
7536 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
7537 | card->info.unique_id; | |
7538 | memcpy(&cmd->data.create_destroy_addr.unique_id[0], | |
7539 | card->dev->dev_addr, OSA_ADDR_LEN); | |
7540 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
7541 | #else | |
7542 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
7543 | UNIQUE_ID_NOT_BY_CARD; | |
7544 | #endif | |
7545 | return rc; | |
7546 | } | |
7547 | ||
7548 | /** | |
7549 | * Clear IP List | |
7550 | */ | |
7551 | static void | |
7552 | qeth_clear_ip_list(struct qeth_card *card, int clean, int recover) | |
7553 | { | |
7554 | struct qeth_ipaddr *addr, *tmp; | |
7555 | unsigned long flags; | |
7556 | ||
7557 | QETH_DBF_TEXT(trace,4,"clearip"); | |
7558 | spin_lock_irqsave(&card->ip_lock, flags); | |
7559 | /* clear todo list */ | |
7560 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){ | |
7561 | list_del(&addr->entry); | |
7562 | kfree(addr); | |
7563 | } | |
7564 | ||
7565 | while (!list_empty(&card->ip_list)) { | |
7566 | addr = list_entry(card->ip_list.next, | |
7567 | struct qeth_ipaddr, entry); | |
7568 | list_del_init(&addr->entry); | |
7569 | if (clean) { | |
7570 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7571 | qeth_deregister_addr_entry(card, addr); | |
7572 | spin_lock_irqsave(&card->ip_lock, flags); | |
7573 | } | |
7574 | if (!recover || addr->is_multicast) { | |
7575 | kfree(addr); | |
7576 | continue; | |
7577 | } | |
7578 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
7579 | } | |
7580 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7581 | } | |
7582 | ||
7583 | static void | |
7584 | qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads, | |
7585 | int clear_start_mask) | |
7586 | { | |
7587 | unsigned long flags; | |
7588 | ||
7589 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
7590 | card->thread_allowed_mask = threads; | |
7591 | if (clear_start_mask) | |
7592 | card->thread_start_mask &= threads; | |
7593 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
7594 | wake_up(&card->wait_q); | |
7595 | } | |
7596 | ||
7597 | static inline int | |
7598 | qeth_threads_running(struct qeth_card *card, unsigned long threads) | |
7599 | { | |
7600 | unsigned long flags; | |
7601 | int rc = 0; | |
7602 | ||
7603 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
7604 | rc = (card->thread_running_mask & threads); | |
7605 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
7606 | return rc; | |
7607 | } | |
7608 | ||
7609 | static int | |
7610 | qeth_wait_for_threads(struct qeth_card *card, unsigned long threads) | |
7611 | { | |
7612 | return wait_event_interruptible(card->wait_q, | |
7613 | qeth_threads_running(card, threads) == 0); | |
7614 | } | |
7615 | ||
7616 | static int | |
05e08a2a | 7617 | qeth_stop_card(struct qeth_card *card, int recovery_mode) |
1da177e4 LT |
7618 | { |
7619 | int rc = 0; | |
7620 | ||
7621 | QETH_DBF_TEXT(setup ,2,"stopcard"); | |
7622 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
7623 | ||
7624 | qeth_set_allowed_threads(card, 0, 1); | |
7625 | if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) | |
7626 | return -ERESTARTSYS; | |
7627 | if (card->read.state == CH_STATE_UP && | |
7628 | card->write.state == CH_STATE_UP && | |
7629 | (card->state == CARD_STATE_UP)) { | |
500f83ab UB |
7630 | if (recovery_mode && |
7631 | card->info.type != QETH_CARD_TYPE_OSN) { | |
05e08a2a FP |
7632 | qeth_stop(card->dev); |
7633 | } else { | |
7634 | rtnl_lock(); | |
7635 | dev_close(card->dev); | |
7636 | rtnl_unlock(); | |
7637 | } | |
1da177e4 LT |
7638 | if (!card->use_hard_stop) { |
7639 | __u8 *mac = &card->dev->dev_addr[0]; | |
7640 | rc = qeth_layer2_send_delmac(card, mac); | |
7641 | QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc); | |
7642 | if ((rc = qeth_send_stoplan(card))) | |
7643 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
7644 | } | |
7645 | card->state = CARD_STATE_SOFTSETUP; | |
7646 | } | |
7647 | if (card->state == CARD_STATE_SOFTSETUP) { | |
7648 | #ifdef CONFIG_QETH_VLAN | |
7649 | if (card->options.layer2) | |
7650 | qeth_layer2_process_vlans(card, 1); | |
7651 | #endif | |
7652 | qeth_clear_ip_list(card, !card->use_hard_stop, 1); | |
7653 | qeth_clear_ipacmd_list(card); | |
7654 | card->state = CARD_STATE_HARDSETUP; | |
7655 | } | |
7656 | if (card->state == CARD_STATE_HARDSETUP) { | |
7657 | if ((!card->use_hard_stop) && | |
7658 | (!card->options.layer2)) | |
7659 | if ((rc = qeth_put_unique_id(card))) | |
7660 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
7661 | qeth_qdio_clear_card(card, 0); | |
7662 | qeth_clear_qdio_buffers(card); | |
7663 | qeth_clear_working_pool_list(card); | |
7664 | card->state = CARD_STATE_DOWN; | |
7665 | } | |
7666 | if (card->state == CARD_STATE_DOWN) { | |
7667 | qeth_clear_cmd_buffers(&card->read); | |
7668 | qeth_clear_cmd_buffers(&card->write); | |
7669 | } | |
7670 | card->use_hard_stop = 0; | |
7671 | return rc; | |
7672 | } | |
7673 | ||
7674 | ||
7675 | static int | |
7676 | qeth_get_unique_id(struct qeth_card *card) | |
7677 | { | |
7678 | int rc = 0; | |
7679 | #ifdef CONFIG_QETH_IPV6 | |
7680 | struct qeth_cmd_buffer *iob; | |
7681 | struct qeth_ipa_cmd *cmd; | |
7682 | ||
7683 | QETH_DBF_TEXT(setup, 2, "guniqeid"); | |
7684 | ||
7685 | if (!qeth_is_supported(card,IPA_IPV6)) { | |
7686 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
7687 | UNIQUE_ID_NOT_BY_CARD; | |
7688 | return 0; | |
7689 | } | |
7690 | ||
7691 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
7692 | QETH_PROT_IPV6); | |
7693 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
7694 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
7695 | card->info.unique_id; | |
7696 | ||
7697 | rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL); | |
7698 | #else | |
7699 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
7700 | UNIQUE_ID_NOT_BY_CARD; | |
7701 | #endif | |
7702 | return rc; | |
7703 | } | |
7704 | static void | |
7705 | qeth_print_status_with_portname(struct qeth_card *card) | |
7706 | { | |
7707 | char dbf_text[15]; | |
7708 | int i; | |
7709 | ||
7710 | sprintf(dbf_text, "%s", card->info.portname + 1); | |
7711 | for (i = 0; i < 8; i++) | |
7712 | dbf_text[i] = | |
7713 | (char) _ebcasc[(__u8) dbf_text[i]]; | |
7714 | dbf_text[8] = 0; | |
7715 | printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n" | |
7716 | "with link type %s (portname: %s)\n", | |
7717 | CARD_RDEV_ID(card), | |
7718 | CARD_WDEV_ID(card), | |
7719 | CARD_DDEV_ID(card), | |
7720 | qeth_get_cardname(card), | |
7721 | (card->info.mcl_level[0]) ? " (level: " : "", | |
7722 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
7723 | (card->info.mcl_level[0]) ? ")" : "", | |
7724 | qeth_get_cardname_short(card), | |
7725 | dbf_text); | |
7726 | ||
7727 | } | |
7728 | ||
7729 | static void | |
7730 | qeth_print_status_no_portname(struct qeth_card *card) | |
7731 | { | |
7732 | if (card->info.portname[0]) | |
7733 | printk("qeth: Device %s/%s/%s is a%s " | |
7734 | "card%s%s%s\nwith link type %s " | |
7735 | "(no portname needed by interface).\n", | |
7736 | CARD_RDEV_ID(card), | |
7737 | CARD_WDEV_ID(card), | |
7738 | CARD_DDEV_ID(card), | |
7739 | qeth_get_cardname(card), | |
7740 | (card->info.mcl_level[0]) ? " (level: " : "", | |
7741 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
7742 | (card->info.mcl_level[0]) ? ")" : "", | |
7743 | qeth_get_cardname_short(card)); | |
7744 | else | |
7745 | printk("qeth: Device %s/%s/%s is a%s " | |
7746 | "card%s%s%s\nwith link type %s.\n", | |
7747 | CARD_RDEV_ID(card), | |
7748 | CARD_WDEV_ID(card), | |
7749 | CARD_DDEV_ID(card), | |
7750 | qeth_get_cardname(card), | |
7751 | (card->info.mcl_level[0]) ? " (level: " : "", | |
7752 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
7753 | (card->info.mcl_level[0]) ? ")" : "", | |
7754 | qeth_get_cardname_short(card)); | |
7755 | } | |
7756 | ||
7757 | static void | |
7758 | qeth_print_status_message(struct qeth_card *card) | |
7759 | { | |
7760 | switch (card->info.type) { | |
7761 | case QETH_CARD_TYPE_OSAE: | |
7762 | /* VM will use a non-zero first character | |
7763 | * to indicate a HiperSockets like reporting | |
7764 | * of the level OSA sets the first character to zero | |
7765 | * */ | |
7766 | if (!card->info.mcl_level[0]) { | |
7767 | sprintf(card->info.mcl_level,"%02x%02x", | |
7768 | card->info.mcl_level[2], | |
7769 | card->info.mcl_level[3]); | |
7770 | ||
7771 | card->info.mcl_level[QETH_MCL_LENGTH] = 0; | |
7772 | break; | |
7773 | } | |
7774 | /* fallthrough */ | |
7775 | case QETH_CARD_TYPE_IQD: | |
7776 | card->info.mcl_level[0] = (char) _ebcasc[(__u8) | |
7777 | card->info.mcl_level[0]]; | |
7778 | card->info.mcl_level[1] = (char) _ebcasc[(__u8) | |
7779 | card->info.mcl_level[1]]; | |
7780 | card->info.mcl_level[2] = (char) _ebcasc[(__u8) | |
7781 | card->info.mcl_level[2]]; | |
7782 | card->info.mcl_level[3] = (char) _ebcasc[(__u8) | |
7783 | card->info.mcl_level[3]]; | |
7784 | card->info.mcl_level[QETH_MCL_LENGTH] = 0; | |
7785 | break; | |
7786 | default: | |
7787 | memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1); | |
7788 | } | |
7789 | if (card->info.portname_required) | |
7790 | qeth_print_status_with_portname(card); | |
7791 | else | |
7792 | qeth_print_status_no_portname(card); | |
7793 | } | |
7794 | ||
7795 | static int | |
7796 | qeth_register_netdev(struct qeth_card *card) | |
7797 | { | |
7798 | QETH_DBF_TEXT(setup, 3, "regnetd"); | |
7799 | if (card->dev->reg_state != NETREG_UNINITIALIZED) { | |
7800 | qeth_netdev_init(card->dev); | |
7801 | return 0; | |
7802 | } | |
7803 | /* sysfs magic */ | |
7804 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
7805 | return register_netdev(card->dev); | |
7806 | } | |
7807 | ||
7808 | static void | |
05e08a2a | 7809 | qeth_start_again(struct qeth_card *card, int recovery_mode) |
1da177e4 LT |
7810 | { |
7811 | QETH_DBF_TEXT(setup ,2, "startag"); | |
7812 | ||
500f83ab UB |
7813 | if (recovery_mode && |
7814 | card->info.type != QETH_CARD_TYPE_OSN) { | |
05e08a2a FP |
7815 | qeth_open(card->dev); |
7816 | } else { | |
7817 | rtnl_lock(); | |
7818 | dev_open(card->dev); | |
7819 | rtnl_unlock(); | |
7820 | } | |
1da177e4 LT |
7821 | /* this also sets saved unicast addresses */ |
7822 | qeth_set_multicast_list(card->dev); | |
7823 | } | |
7824 | ||
7825 | ||
7826 | /* Layer 2 specific stuff */ | |
7827 | #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \ | |
7828 | if (card->options.option == value) { \ | |
7829 | PRINT_ERR("%s not supported with layer 2 " \ | |
7830 | "functionality, ignoring option on read" \ | |
7831 | "channel device %s .\n",msg,CARD_RDEV_ID(card)); \ | |
7832 | card->options.option = reset_value; \ | |
7833 | } | |
7834 | #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \ | |
7835 | if (card->options.option != value) { \ | |
7836 | PRINT_ERR("%s not supported with layer 2 " \ | |
7837 | "functionality, ignoring option on read" \ | |
7838 | "channel device %s .\n",msg,CARD_RDEV_ID(card)); \ | |
7839 | card->options.option = reset_value; \ | |
7840 | } | |
7841 | ||
7842 | ||
7843 | static void qeth_make_parameters_consistent(struct qeth_card *card) | |
7844 | { | |
7845 | ||
500f83ab UB |
7846 | if (card->options.layer2 == 0) |
7847 | return; | |
7848 | if (card->info.type == QETH_CARD_TYPE_OSN) | |
7849 | return; | |
7850 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
7851 | PRINT_ERR("Device %s does not support layer 2 functionality." \ | |
7852 | " Ignoring layer2 option.\n",CARD_BUS_ID(card)); | |
7853 | card->options.layer2 = 0; | |
7854 | return; | |
7855 | } | |
7856 | IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER, | |
7857 | "Routing options are"); | |
1da177e4 | 7858 | #ifdef CONFIG_QETH_IPV6 |
500f83ab UB |
7859 | IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER, |
7860 | "Routing options are"); | |
1da177e4 | 7861 | #endif |
500f83ab UB |
7862 | IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING, |
7863 | QETH_CHECKSUM_DEFAULT, | |
7864 | "Checksumming options are"); | |
7865 | IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS, | |
7866 | QETH_TR_BROADCAST_ALLRINGS, | |
7867 | "Broadcast mode options are"); | |
7868 | IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL, | |
7869 | QETH_TR_MACADDR_NONCANONICAL, | |
7870 | "Canonical MAC addr options are"); | |
7871 | IGNORE_PARAM_NEQ(fake_broadcast, 0, 0, | |
7872 | "Broadcast faking options are"); | |
7873 | IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN, | |
7874 | DEFAULT_ADD_HHLEN,"Option add_hhlen is"); | |
7875 | IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is"); | |
1da177e4 LT |
7876 | } |
7877 | ||
7878 | ||
7879 | static int | |
05e08a2a | 7880 | __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode) |
1da177e4 LT |
7881 | { |
7882 | struct qeth_card *card = gdev->dev.driver_data; | |
7883 | int rc = 0; | |
7884 | enum qeth_card_states recover_flag; | |
7885 | ||
7886 | BUG_ON(!card); | |
7887 | QETH_DBF_TEXT(setup ,2, "setonlin"); | |
7888 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
7889 | ||
7890 | qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); | |
7891 | if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){ | |
7892 | PRINT_WARN("set_online of card %s interrupted by user!\n", | |
7893 | CARD_BUS_ID(card)); | |
7894 | return -ERESTARTSYS; | |
7895 | } | |
7896 | ||
7897 | recover_flag = card->state; | |
7898 | if ((rc = ccw_device_set_online(CARD_RDEV(card))) || | |
7899 | (rc = ccw_device_set_online(CARD_WDEV(card))) || | |
7900 | (rc = ccw_device_set_online(CARD_DDEV(card)))){ | |
7901 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
7902 | return -EIO; | |
7903 | } | |
7904 | ||
500f83ab | 7905 | qeth_make_parameters_consistent(card); |
1da177e4 LT |
7906 | |
7907 | if ((rc = qeth_hardsetup_card(card))){ | |
7908 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
7909 | goto out_remove; | |
7910 | } | |
7911 | card->state = CARD_STATE_HARDSETUP; | |
7912 | ||
7913 | if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4))) | |
7914 | rc = qeth_get_unique_id(card); | |
7915 | ||
7916 | if (rc && card->options.layer2 == 0) { | |
7917 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
7918 | goto out_remove; | |
7919 | } | |
7920 | qeth_print_status_message(card); | |
7921 | if ((rc = qeth_register_netdev(card))){ | |
7922 | QETH_DBF_TEXT_(setup, 2, "4err%d", rc); | |
7923 | goto out_remove; | |
7924 | } | |
7925 | if ((rc = qeth_softsetup_card(card))){ | |
7926 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
7927 | goto out_remove; | |
7928 | } | |
7929 | card->state = CARD_STATE_SOFTSETUP; | |
7930 | ||
7931 | if ((rc = qeth_init_qdio_queues(card))){ | |
7932 | QETH_DBF_TEXT_(setup, 2, "6err%d", rc); | |
7933 | goto out_remove; | |
7934 | } | |
4965e97f FP |
7935 | netif_carrier_on(card->dev); |
7936 | ||
1da177e4 LT |
7937 | qeth_set_allowed_threads(card, 0xffffffff, 0); |
7938 | if (recover_flag == CARD_STATE_RECOVER) | |
05e08a2a | 7939 | qeth_start_again(card, recovery_mode); |
1da177e4 LT |
7940 | qeth_notify_processes(); |
7941 | return 0; | |
7942 | out_remove: | |
7943 | card->use_hard_stop = 1; | |
05e08a2a | 7944 | qeth_stop_card(card, 0); |
1da177e4 LT |
7945 | ccw_device_set_offline(CARD_DDEV(card)); |
7946 | ccw_device_set_offline(CARD_WDEV(card)); | |
7947 | ccw_device_set_offline(CARD_RDEV(card)); | |
7948 | if (recover_flag == CARD_STATE_RECOVER) | |
7949 | card->state = CARD_STATE_RECOVER; | |
7950 | else | |
7951 | card->state = CARD_STATE_DOWN; | |
7952 | return -ENODEV; | |
7953 | } | |
7954 | ||
05e08a2a FP |
7955 | static int |
7956 | qeth_set_online(struct ccwgroup_device *gdev) | |
7957 | { | |
7958 | return __qeth_set_online(gdev, 0); | |
7959 | } | |
7960 | ||
1da177e4 LT |
7961 | static struct ccw_device_id qeth_ids[] = { |
7962 | {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE}, | |
7963 | {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD}, | |
500f83ab | 7964 | {CCW_DEVICE(0x1731, 0x06), driver_info:QETH_CARD_TYPE_OSN}, |
1da177e4 LT |
7965 | {}, |
7966 | }; | |
7967 | MODULE_DEVICE_TABLE(ccw, qeth_ids); | |
7968 | ||
7969 | struct device *qeth_root_dev = NULL; | |
7970 | ||
7971 | struct ccwgroup_driver qeth_ccwgroup_driver = { | |
7972 | .owner = THIS_MODULE, | |
7973 | .name = "qeth", | |
7974 | .driver_id = 0xD8C5E3C8, | |
7975 | .probe = qeth_probe_device, | |
7976 | .remove = qeth_remove_device, | |
7977 | .set_online = qeth_set_online, | |
7978 | .set_offline = qeth_set_offline, | |
7979 | }; | |
7980 | ||
7981 | struct ccw_driver qeth_ccw_driver = { | |
7982 | .name = "qeth", | |
7983 | .ids = qeth_ids, | |
7984 | .probe = ccwgroup_probe_ccwdev, | |
7985 | .remove = ccwgroup_remove_ccwdev, | |
7986 | }; | |
7987 | ||
7988 | ||
7989 | static void | |
7990 | qeth_unregister_dbf_views(void) | |
7991 | { | |
7992 | if (qeth_dbf_setup) | |
7993 | debug_unregister(qeth_dbf_setup); | |
7994 | if (qeth_dbf_qerr) | |
7995 | debug_unregister(qeth_dbf_qerr); | |
7996 | if (qeth_dbf_sense) | |
7997 | debug_unregister(qeth_dbf_sense); | |
7998 | if (qeth_dbf_misc) | |
7999 | debug_unregister(qeth_dbf_misc); | |
8000 | if (qeth_dbf_data) | |
8001 | debug_unregister(qeth_dbf_data); | |
8002 | if (qeth_dbf_control) | |
8003 | debug_unregister(qeth_dbf_control); | |
8004 | if (qeth_dbf_trace) | |
8005 | debug_unregister(qeth_dbf_trace); | |
8006 | } | |
8007 | static int | |
8008 | qeth_register_dbf_views(void) | |
8009 | { | |
8010 | qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME, | |
66a464db | 8011 | QETH_DBF_SETUP_PAGES, |
1da177e4 LT |
8012 | QETH_DBF_SETUP_NR_AREAS, |
8013 | QETH_DBF_SETUP_LEN); | |
8014 | qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME, | |
66a464db | 8015 | QETH_DBF_MISC_PAGES, |
1da177e4 LT |
8016 | QETH_DBF_MISC_NR_AREAS, |
8017 | QETH_DBF_MISC_LEN); | |
8018 | qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME, | |
66a464db | 8019 | QETH_DBF_DATA_PAGES, |
1da177e4 LT |
8020 | QETH_DBF_DATA_NR_AREAS, |
8021 | QETH_DBF_DATA_LEN); | |
8022 | qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME, | |
66a464db | 8023 | QETH_DBF_CONTROL_PAGES, |
1da177e4 LT |
8024 | QETH_DBF_CONTROL_NR_AREAS, |
8025 | QETH_DBF_CONTROL_LEN); | |
8026 | qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME, | |
66a464db | 8027 | QETH_DBF_SENSE_PAGES, |
1da177e4 LT |
8028 | QETH_DBF_SENSE_NR_AREAS, |
8029 | QETH_DBF_SENSE_LEN); | |
8030 | qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME, | |
66a464db | 8031 | QETH_DBF_QERR_PAGES, |
1da177e4 LT |
8032 | QETH_DBF_QERR_NR_AREAS, |
8033 | QETH_DBF_QERR_LEN); | |
8034 | qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME, | |
66a464db | 8035 | QETH_DBF_TRACE_PAGES, |
1da177e4 LT |
8036 | QETH_DBF_TRACE_NR_AREAS, |
8037 | QETH_DBF_TRACE_LEN); | |
8038 | ||
8039 | if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) || | |
8040 | (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) || | |
8041 | (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) || | |
8042 | (qeth_dbf_trace == NULL)) { | |
8043 | qeth_unregister_dbf_views(); | |
8044 | return -ENOMEM; | |
8045 | } | |
8046 | debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view); | |
8047 | debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL); | |
8048 | ||
8049 | debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view); | |
8050 | debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL); | |
8051 | ||
8052 | debug_register_view(qeth_dbf_data, &debug_hex_ascii_view); | |
8053 | debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL); | |
8054 | ||
8055 | debug_register_view(qeth_dbf_control, &debug_hex_ascii_view); | |
8056 | debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL); | |
8057 | ||
8058 | debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view); | |
8059 | debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL); | |
8060 | ||
8061 | debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view); | |
8062 | debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL); | |
8063 | ||
8064 | debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view); | |
8065 | debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL); | |
8066 | ||
8067 | return 0; | |
8068 | } | |
8069 | ||
8070 | #ifdef CONFIG_QETH_IPV6 | |
8071 | extern struct neigh_table arp_tbl; | |
8072 | static struct neigh_ops *arp_direct_ops; | |
8073 | static int (*qeth_old_arp_constructor) (struct neighbour *); | |
8074 | ||
8075 | static struct neigh_ops arp_direct_ops_template = { | |
8076 | .family = AF_INET, | |
8077 | .destructor = NULL, | |
8078 | .solicit = NULL, | |
8079 | .error_report = NULL, | |
8080 | .output = dev_queue_xmit, | |
8081 | .connected_output = dev_queue_xmit, | |
8082 | .hh_output = dev_queue_xmit, | |
8083 | .queue_xmit = dev_queue_xmit | |
8084 | }; | |
8085 | ||
8086 | static int | |
8087 | qeth_arp_constructor(struct neighbour *neigh) | |
8088 | { | |
8089 | struct net_device *dev = neigh->dev; | |
8090 | struct in_device *in_dev; | |
8091 | struct neigh_parms *parms; | |
8092 | struct qeth_card *card; | |
8093 | ||
8094 | card = qeth_get_card_from_dev(dev); | |
8095 | if (card == NULL) | |
8096 | goto out; | |
8097 | if((card->options.layer2) || | |
8098 | (card->dev->hard_header == qeth_fake_header)) | |
8099 | goto out; | |
8100 | ||
8101 | rcu_read_lock(); | |
e5ed6399 | 8102 | in_dev = __in_dev_get_rcu(dev); |
1da177e4 LT |
8103 | if (in_dev == NULL) { |
8104 | rcu_read_unlock(); | |
8105 | return -EINVAL; | |
8106 | } | |
8107 | ||
8108 | parms = in_dev->arp_parms; | |
8109 | __neigh_parms_put(neigh->parms); | |
8110 | neigh->parms = neigh_parms_clone(parms); | |
8111 | rcu_read_unlock(); | |
8112 | ||
8113 | neigh->type = inet_addr_type(*(u32 *) neigh->primary_key); | |
8114 | neigh->nud_state = NUD_NOARP; | |
8115 | neigh->ops = arp_direct_ops; | |
8116 | neigh->output = neigh->ops->queue_xmit; | |
8117 | return 0; | |
8118 | out: | |
8119 | return qeth_old_arp_constructor(neigh); | |
8120 | } | |
8121 | #endif /*CONFIG_QETH_IPV6*/ | |
8122 | ||
8123 | /* | |
8124 | * IP address takeover related functions | |
8125 | */ | |
8126 | static void | |
8127 | qeth_clear_ipato_list(struct qeth_card *card) | |
8128 | { | |
8129 | struct qeth_ipato_entry *ipatoe, *tmp; | |
8130 | unsigned long flags; | |
8131 | ||
8132 | spin_lock_irqsave(&card->ip_lock, flags); | |
8133 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
8134 | list_del(&ipatoe->entry); | |
8135 | kfree(ipatoe); | |
8136 | } | |
8137 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
8138 | } | |
8139 | ||
8140 | int | |
8141 | qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new) | |
8142 | { | |
8143 | struct qeth_ipato_entry *ipatoe; | |
8144 | unsigned long flags; | |
8145 | int rc = 0; | |
8146 | ||
8147 | QETH_DBF_TEXT(trace, 2, "addipato"); | |
8148 | spin_lock_irqsave(&card->ip_lock, flags); | |
8149 | list_for_each_entry(ipatoe, &card->ipato.entries, entry){ | |
8150 | if (ipatoe->proto != new->proto) | |
8151 | continue; | |
8152 | if (!memcmp(ipatoe->addr, new->addr, | |
8153 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
8154 | (ipatoe->mask_bits == new->mask_bits)){ | |
8155 | PRINT_WARN("ipato entry already exists!\n"); | |
8156 | rc = -EEXIST; | |
8157 | break; | |
8158 | } | |
8159 | } | |
8160 | if (!rc) { | |
8161 | list_add_tail(&new->entry, &card->ipato.entries); | |
8162 | } | |
8163 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
8164 | return rc; | |
8165 | } | |
8166 | ||
8167 | void | |
8168 | qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto, | |
8169 | u8 *addr, int mask_bits) | |
8170 | { | |
8171 | struct qeth_ipato_entry *ipatoe, *tmp; | |
8172 | unsigned long flags; | |
8173 | ||
8174 | QETH_DBF_TEXT(trace, 2, "delipato"); | |
8175 | spin_lock_irqsave(&card->ip_lock, flags); | |
8176 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){ | |
8177 | if (ipatoe->proto != proto) | |
8178 | continue; | |
8179 | if (!memcmp(ipatoe->addr, addr, | |
8180 | (proto == QETH_PROT_IPV4)? 4:16) && | |
8181 | (ipatoe->mask_bits == mask_bits)){ | |
8182 | list_del(&ipatoe->entry); | |
8183 | kfree(ipatoe); | |
8184 | } | |
8185 | } | |
8186 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
8187 | } | |
8188 | ||
8189 | static inline void | |
8190 | qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len) | |
8191 | { | |
8192 | int i, j; | |
8193 | u8 octet; | |
8194 | ||
8195 | for (i = 0; i < len; ++i){ | |
8196 | octet = addr[i]; | |
8197 | for (j = 7; j >= 0; --j){ | |
8198 | bits[i*8 + j] = octet & 1; | |
8199 | octet >>= 1; | |
8200 | } | |
8201 | } | |
8202 | } | |
8203 | ||
8204 | static int | |
8205 | qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr) | |
8206 | { | |
8207 | struct qeth_ipato_entry *ipatoe; | |
8208 | u8 addr_bits[128] = {0, }; | |
8209 | u8 ipatoe_bits[128] = {0, }; | |
8210 | int rc = 0; | |
8211 | ||
8212 | if (!card->ipato.enabled) | |
8213 | return 0; | |
8214 | ||
8215 | qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
8216 | (addr->proto == QETH_PROT_IPV4)? 4:16); | |
8217 | list_for_each_entry(ipatoe, &card->ipato.entries, entry){ | |
8218 | if (addr->proto != ipatoe->proto) | |
8219 | continue; | |
8220 | qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
8221 | (ipatoe->proto==QETH_PROT_IPV4) ? | |
8222 | 4:16); | |
8223 | if (addr->proto == QETH_PROT_IPV4) | |
8224 | rc = !memcmp(addr_bits, ipatoe_bits, | |
8225 | min(32, ipatoe->mask_bits)); | |
8226 | else | |
8227 | rc = !memcmp(addr_bits, ipatoe_bits, | |
8228 | min(128, ipatoe->mask_bits)); | |
8229 | if (rc) | |
8230 | break; | |
8231 | } | |
8232 | /* invert? */ | |
8233 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
8234 | rc = !rc; | |
8235 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
8236 | rc = !rc; | |
8237 | ||
8238 | return rc; | |
8239 | } | |
8240 | ||
8241 | /* | |
8242 | * VIPA related functions | |
8243 | */ | |
8244 | int | |
8245 | qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
8246 | const u8 *addr) | |
8247 | { | |
8248 | struct qeth_ipaddr *ipaddr; | |
8249 | unsigned long flags; | |
8250 | int rc = 0; | |
8251 | ||
8252 | ipaddr = qeth_get_addr_buffer(proto); | |
8253 | if (ipaddr){ | |
8254 | if (proto == QETH_PROT_IPV4){ | |
8255 | QETH_DBF_TEXT(trace, 2, "addvipa4"); | |
8256 | memcpy(&ipaddr->u.a4.addr, addr, 4); | |
8257 | ipaddr->u.a4.mask = 0; | |
8258 | #ifdef CONFIG_QETH_IPV6 | |
8259 | } else if (proto == QETH_PROT_IPV6){ | |
8260 | QETH_DBF_TEXT(trace, 2, "addvipa6"); | |
8261 | memcpy(&ipaddr->u.a6.addr, addr, 16); | |
8262 | ipaddr->u.a6.pfxlen = 0; | |
8263 | #endif | |
8264 | } | |
8265 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
8266 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
8267 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
8268 | } else | |
8269 | return -ENOMEM; | |
8270 | spin_lock_irqsave(&card->ip_lock, flags); | |
8271 | if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
8272 | __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
8273 | rc = -EEXIST; | |
8274 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
8275 | if (rc){ | |
8276 | PRINT_WARN("Cannot add VIPA. Address already exists!\n"); | |
8277 | return rc; | |
8278 | } | |
8279 | if (!qeth_add_ip(card, ipaddr)) | |
8280 | kfree(ipaddr); | |
8281 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8282 | schedule_work(&card->kernel_thread_starter); | |
8283 | return rc; | |
8284 | } | |
8285 | ||
8286 | void | |
8287 | qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
8288 | const u8 *addr) | |
8289 | { | |
8290 | struct qeth_ipaddr *ipaddr; | |
8291 | ||
8292 | ipaddr = qeth_get_addr_buffer(proto); | |
8293 | if (ipaddr){ | |
8294 | if (proto == QETH_PROT_IPV4){ | |
8295 | QETH_DBF_TEXT(trace, 2, "delvipa4"); | |
8296 | memcpy(&ipaddr->u.a4.addr, addr, 4); | |
8297 | ipaddr->u.a4.mask = 0; | |
8298 | #ifdef CONFIG_QETH_IPV6 | |
8299 | } else if (proto == QETH_PROT_IPV6){ | |
8300 | QETH_DBF_TEXT(trace, 2, "delvipa6"); | |
8301 | memcpy(&ipaddr->u.a6.addr, addr, 16); | |
8302 | ipaddr->u.a6.pfxlen = 0; | |
8303 | #endif | |
8304 | } | |
8305 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
8306 | } else | |
8307 | return; | |
8308 | if (!qeth_delete_ip(card, ipaddr)) | |
8309 | kfree(ipaddr); | |
8310 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8311 | schedule_work(&card->kernel_thread_starter); | |
8312 | } | |
8313 | ||
8314 | /* | |
8315 | * proxy ARP related functions | |
8316 | */ | |
8317 | int | |
8318 | qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
8319 | const u8 *addr) | |
8320 | { | |
8321 | struct qeth_ipaddr *ipaddr; | |
8322 | unsigned long flags; | |
8323 | int rc = 0; | |
8324 | ||
8325 | ipaddr = qeth_get_addr_buffer(proto); | |
8326 | if (ipaddr){ | |
8327 | if (proto == QETH_PROT_IPV4){ | |
8328 | QETH_DBF_TEXT(trace, 2, "addrxip4"); | |
8329 | memcpy(&ipaddr->u.a4.addr, addr, 4); | |
8330 | ipaddr->u.a4.mask = 0; | |
8331 | #ifdef CONFIG_QETH_IPV6 | |
8332 | } else if (proto == QETH_PROT_IPV6){ | |
8333 | QETH_DBF_TEXT(trace, 2, "addrxip6"); | |
8334 | memcpy(&ipaddr->u.a6.addr, addr, 16); | |
8335 | ipaddr->u.a6.pfxlen = 0; | |
8336 | #endif | |
8337 | } | |
8338 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
8339 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
8340 | ipaddr->del_flags = 0; | |
8341 | } else | |
8342 | return -ENOMEM; | |
8343 | spin_lock_irqsave(&card->ip_lock, flags); | |
8344 | if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
8345 | __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
8346 | rc = -EEXIST; | |
8347 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
8348 | if (rc){ | |
8349 | PRINT_WARN("Cannot add RXIP. Address already exists!\n"); | |
8350 | return rc; | |
8351 | } | |
8352 | if (!qeth_add_ip(card, ipaddr)) | |
8353 | kfree(ipaddr); | |
8354 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8355 | schedule_work(&card->kernel_thread_starter); | |
8356 | return 0; | |
8357 | } | |
8358 | ||
8359 | void | |
8360 | qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
8361 | const u8 *addr) | |
8362 | { | |
8363 | struct qeth_ipaddr *ipaddr; | |
8364 | ||
8365 | ipaddr = qeth_get_addr_buffer(proto); | |
8366 | if (ipaddr){ | |
8367 | if (proto == QETH_PROT_IPV4){ | |
8368 | QETH_DBF_TEXT(trace, 2, "addrxip4"); | |
8369 | memcpy(&ipaddr->u.a4.addr, addr, 4); | |
8370 | ipaddr->u.a4.mask = 0; | |
8371 | #ifdef CONFIG_QETH_IPV6 | |
8372 | } else if (proto == QETH_PROT_IPV6){ | |
8373 | QETH_DBF_TEXT(trace, 2, "addrxip6"); | |
8374 | memcpy(&ipaddr->u.a6.addr, addr, 16); | |
8375 | ipaddr->u.a6.pfxlen = 0; | |
8376 | #endif | |
8377 | } | |
8378 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
8379 | } else | |
8380 | return; | |
8381 | if (!qeth_delete_ip(card, ipaddr)) | |
8382 | kfree(ipaddr); | |
8383 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8384 | schedule_work(&card->kernel_thread_starter); | |
8385 | } | |
8386 | ||
8387 | /** | |
8388 | * IP event handler | |
8389 | */ | |
8390 | static int | |
8391 | qeth_ip_event(struct notifier_block *this, | |
8392 | unsigned long event,void *ptr) | |
8393 | { | |
8394 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
8395 | struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev; | |
8396 | struct qeth_ipaddr *addr; | |
8397 | struct qeth_card *card; | |
8398 | ||
8399 | QETH_DBF_TEXT(trace,3,"ipevent"); | |
8400 | card = qeth_get_card_from_dev(dev); | |
8401 | if (!card) | |
8402 | return NOTIFY_DONE; | |
8403 | if (card->options.layer2) | |
8404 | return NOTIFY_DONE; | |
8405 | ||
8406 | addr = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
8407 | if (addr != NULL) { | |
8408 | addr->u.a4.addr = ifa->ifa_address; | |
8409 | addr->u.a4.mask = ifa->ifa_mask; | |
8410 | addr->type = QETH_IP_TYPE_NORMAL; | |
8411 | } else | |
8412 | goto out; | |
8413 | ||
8414 | switch(event) { | |
8415 | case NETDEV_UP: | |
8416 | if (!qeth_add_ip(card, addr)) | |
8417 | kfree(addr); | |
8418 | break; | |
8419 | case NETDEV_DOWN: | |
8420 | if (!qeth_delete_ip(card, addr)) | |
8421 | kfree(addr); | |
8422 | break; | |
8423 | default: | |
8424 | break; | |
8425 | } | |
8426 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8427 | schedule_work(&card->kernel_thread_starter); | |
8428 | out: | |
8429 | return NOTIFY_DONE; | |
8430 | } | |
8431 | ||
8432 | static struct notifier_block qeth_ip_notifier = { | |
8433 | qeth_ip_event, | |
8434 | 0 | |
8435 | }; | |
8436 | ||
8437 | #ifdef CONFIG_QETH_IPV6 | |
8438 | /** | |
8439 | * IPv6 event handler | |
8440 | */ | |
8441 | static int | |
8442 | qeth_ip6_event(struct notifier_block *this, | |
8443 | unsigned long event,void *ptr) | |
8444 | { | |
8445 | ||
8446 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
8447 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
8448 | struct qeth_ipaddr *addr; | |
8449 | struct qeth_card *card; | |
8450 | ||
8451 | QETH_DBF_TEXT(trace,3,"ip6event"); | |
8452 | ||
8453 | card = qeth_get_card_from_dev(dev); | |
8454 | if (!card) | |
8455 | return NOTIFY_DONE; | |
8456 | if (!qeth_is_supported(card, IPA_IPV6)) | |
8457 | return NOTIFY_DONE; | |
8458 | ||
8459 | addr = qeth_get_addr_buffer(QETH_PROT_IPV6); | |
8460 | if (addr != NULL) { | |
8461 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
8462 | addr->u.a6.pfxlen = ifa->prefix_len; | |
8463 | addr->type = QETH_IP_TYPE_NORMAL; | |
8464 | } else | |
8465 | goto out; | |
8466 | ||
8467 | switch(event) { | |
8468 | case NETDEV_UP: | |
8469 | if (!qeth_add_ip(card, addr)) | |
8470 | kfree(addr); | |
8471 | break; | |
8472 | case NETDEV_DOWN: | |
8473 | if (!qeth_delete_ip(card, addr)) | |
8474 | kfree(addr); | |
8475 | break; | |
8476 | default: | |
8477 | break; | |
8478 | } | |
8479 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8480 | schedule_work(&card->kernel_thread_starter); | |
8481 | out: | |
8482 | return NOTIFY_DONE; | |
8483 | } | |
8484 | ||
8485 | static struct notifier_block qeth_ip6_notifier = { | |
8486 | qeth_ip6_event, | |
8487 | 0 | |
8488 | }; | |
8489 | #endif | |
8490 | ||
8491 | static int | |
66aea23f | 8492 | __qeth_reboot_event_card(struct device *dev, void *data) |
1da177e4 | 8493 | { |
1da177e4 LT |
8494 | struct qeth_card *card; |
8495 | ||
66aea23f CH |
8496 | card = (struct qeth_card *) dev->driver_data; |
8497 | qeth_clear_ip_list(card, 0, 0); | |
8498 | qeth_qdio_clear_card(card, 0); | |
8499 | return 0; | |
8500 | } | |
8501 | ||
8502 | static int | |
8503 | qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr) | |
8504 | { | |
8505 | ||
8506 | driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL, | |
8507 | __qeth_reboot_event_card); | |
1da177e4 LT |
8508 | return NOTIFY_DONE; |
8509 | } | |
8510 | ||
8511 | ||
8512 | static struct notifier_block qeth_reboot_notifier = { | |
8513 | qeth_reboot_event, | |
8514 | 0 | |
8515 | }; | |
8516 | ||
8517 | static int | |
8518 | qeth_register_notifiers(void) | |
8519 | { | |
8520 | int r; | |
8521 | ||
8522 | QETH_DBF_TEXT(trace,5,"regnotif"); | |
8523 | if ((r = register_reboot_notifier(&qeth_reboot_notifier))) | |
8524 | return r; | |
8525 | if ((r = register_inetaddr_notifier(&qeth_ip_notifier))) | |
8526 | goto out_reboot; | |
8527 | #ifdef CONFIG_QETH_IPV6 | |
8528 | if ((r = register_inet6addr_notifier(&qeth_ip6_notifier))) | |
8529 | goto out_ipv4; | |
8530 | #endif | |
8531 | return 0; | |
8532 | ||
8533 | #ifdef CONFIG_QETH_IPV6 | |
8534 | out_ipv4: | |
8535 | unregister_inetaddr_notifier(&qeth_ip_notifier); | |
8536 | #endif | |
8537 | out_reboot: | |
8538 | unregister_reboot_notifier(&qeth_reboot_notifier); | |
8539 | return r; | |
8540 | } | |
8541 | ||
8542 | /** | |
8543 | * unregister all event notifiers | |
8544 | */ | |
8545 | static void | |
8546 | qeth_unregister_notifiers(void) | |
8547 | { | |
8548 | ||
8549 | QETH_DBF_TEXT(trace,5,"unregnot"); | |
8550 | BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier)); | |
8551 | BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier)); | |
8552 | #ifdef CONFIG_QETH_IPV6 | |
8553 | BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier)); | |
8554 | #endif /* QETH_IPV6 */ | |
8555 | ||
8556 | } | |
8557 | ||
8558 | #ifdef CONFIG_QETH_IPV6 | |
8559 | static int | |
8560 | qeth_ipv6_init(void) | |
8561 | { | |
8562 | qeth_old_arp_constructor = arp_tbl.constructor; | |
8563 | write_lock(&arp_tbl.lock); | |
8564 | arp_tbl.constructor = qeth_arp_constructor; | |
8565 | write_unlock(&arp_tbl.lock); | |
8566 | ||
8567 | arp_direct_ops = (struct neigh_ops*) | |
8568 | kmalloc(sizeof(struct neigh_ops), GFP_KERNEL); | |
8569 | if (!arp_direct_ops) | |
8570 | return -ENOMEM; | |
8571 | ||
8572 | memcpy(arp_direct_ops, &arp_direct_ops_template, | |
8573 | sizeof(struct neigh_ops)); | |
8574 | ||
8575 | return 0; | |
8576 | } | |
8577 | ||
8578 | static void | |
8579 | qeth_ipv6_uninit(void) | |
8580 | { | |
8581 | write_lock(&arp_tbl.lock); | |
8582 | arp_tbl.constructor = qeth_old_arp_constructor; | |
8583 | write_unlock(&arp_tbl.lock); | |
8584 | kfree(arp_direct_ops); | |
8585 | } | |
8586 | #endif /* CONFIG_QETH_IPV6 */ | |
8587 | ||
8588 | static void | |
8589 | qeth_sysfs_unregister(void) | |
8590 | { | |
8591 | qeth_remove_driver_attributes(); | |
8592 | ccw_driver_unregister(&qeth_ccw_driver); | |
8593 | ccwgroup_driver_unregister(&qeth_ccwgroup_driver); | |
8594 | s390_root_dev_unregister(qeth_root_dev); | |
8595 | } | |
8596 | /** | |
8597 | * register qeth at sysfs | |
8598 | */ | |
8599 | static int | |
8600 | qeth_sysfs_register(void) | |
8601 | { | |
8602 | int rc=0; | |
8603 | ||
8604 | rc = ccwgroup_driver_register(&qeth_ccwgroup_driver); | |
8605 | if (rc) | |
8606 | return rc; | |
8607 | rc = ccw_driver_register(&qeth_ccw_driver); | |
8608 | if (rc) | |
8609 | return rc; | |
8610 | rc = qeth_create_driver_attributes(); | |
8611 | if (rc) | |
8612 | return rc; | |
8613 | qeth_root_dev = s390_root_dev_register("qeth"); | |
8614 | if (IS_ERR(qeth_root_dev)) { | |
8615 | rc = PTR_ERR(qeth_root_dev); | |
8616 | return rc; | |
8617 | } | |
8618 | return 0; | |
8619 | } | |
8620 | ||
8621 | /*** | |
8622 | * init function | |
8623 | */ | |
8624 | static int __init | |
8625 | qeth_init(void) | |
8626 | { | |
8627 | int rc=0; | |
8628 | ||
1da177e4 LT |
8629 | PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n", |
8630 | version, VERSION_QETH_C, VERSION_QETH_H, | |
8631 | VERSION_QETH_MPC_H, VERSION_QETH_MPC_C, | |
8632 | VERSION_QETH_FS_H, VERSION_QETH_PROC_C, | |
8633 | VERSION_QETH_SYS_C, QETH_VERSION_IPV6, | |
8634 | QETH_VERSION_VLAN); | |
8635 | ||
8636 | INIT_LIST_HEAD(&qeth_card_list.list); | |
8637 | INIT_LIST_HEAD(&qeth_notify_list); | |
8638 | spin_lock_init(&qeth_notify_lock); | |
8639 | rwlock_init(&qeth_card_list.rwlock); | |
8640 | ||
8641 | if (qeth_register_dbf_views()) | |
8642 | goto out_err; | |
8643 | if (qeth_sysfs_register()) | |
8644 | goto out_sysfs; | |
8645 | ||
8646 | #ifdef CONFIG_QETH_IPV6 | |
8647 | if (qeth_ipv6_init()) { | |
8648 | PRINT_ERR("Out of memory during ipv6 init.\n"); | |
8649 | goto out_sysfs; | |
8650 | } | |
8651 | #endif /* QETH_IPV6 */ | |
8652 | if (qeth_register_notifiers()) | |
8653 | goto out_ipv6; | |
8654 | if (qeth_create_procfs_entries()) | |
8655 | goto out_notifiers; | |
8656 | ||
8657 | return rc; | |
8658 | ||
8659 | out_notifiers: | |
8660 | qeth_unregister_notifiers(); | |
8661 | out_ipv6: | |
8662 | #ifdef CONFIG_QETH_IPV6 | |
8663 | qeth_ipv6_uninit(); | |
8664 | #endif /* QETH_IPV6 */ | |
8665 | out_sysfs: | |
8666 | qeth_sysfs_unregister(); | |
8667 | qeth_unregister_dbf_views(); | |
8668 | out_err: | |
8669 | PRINT_ERR("Initialization failed"); | |
8670 | return rc; | |
8671 | } | |
8672 | ||
8673 | static void | |
8674 | __exit qeth_exit(void) | |
8675 | { | |
8676 | struct qeth_card *card, *tmp; | |
8677 | unsigned long flags; | |
8678 | ||
8679 | QETH_DBF_TEXT(trace,1, "cleanup."); | |
8680 | ||
8681 | /* | |
8682 | * Weed would not need to clean up our devices here, because the | |
8683 | * common device layer calls qeth_remove_device for each device | |
8684 | * as soon as we unregister our driver (done in qeth_sysfs_unregister). | |
8685 | * But we do cleanup here so we can do a "soft" shutdown of our cards. | |
8686 | * qeth_remove_device called by the common device layer would otherwise | |
8687 | * do a "hard" shutdown (card->use_hard_stop is set to one in | |
8688 | * qeth_remove_device). | |
8689 | */ | |
8690 | again: | |
8691 | read_lock_irqsave(&qeth_card_list.rwlock, flags); | |
8692 | list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){ | |
8693 | read_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
8694 | qeth_set_offline(card->gdev); | |
8695 | qeth_remove_device(card->gdev); | |
8696 | goto again; | |
8697 | } | |
8698 | read_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
8699 | #ifdef CONFIG_QETH_IPV6 | |
8700 | qeth_ipv6_uninit(); | |
8701 | #endif | |
8702 | qeth_unregister_notifiers(); | |
8703 | qeth_remove_procfs_entries(); | |
8704 | qeth_sysfs_unregister(); | |
8705 | qeth_unregister_dbf_views(); | |
8706 | printk("qeth: removed\n"); | |
8707 | } | |
8708 | ||
500f83ab UB |
8709 | EXPORT_SYMBOL(qeth_osn_register); |
8710 | EXPORT_SYMBOL(qeth_osn_deregister); | |
8711 | EXPORT_SYMBOL(qeth_osn_assist); | |
1da177e4 LT |
8712 | module_init(qeth_init); |
8713 | module_exit(qeth_exit); | |
1387780f | 8714 | MODULE_AUTHOR("Frank Pavlic <fpavlic@de.ibm.com>"); |
1da177e4 LT |
8715 | MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \ |
8716 | "Copyright 2000,2003 IBM Corporation\n"); | |
8717 | ||
8718 | MODULE_LICENSE("GPL"); |