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1da177e4 LT |
1 | /* |
2 | * | |
f3d242e8 | 3 | * linux/drivers/s390/net/qeth_main.c ($Revision: 1.224 $) |
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 | |
12 | * Frank Pavlic (pavlic@de.ibm.com) and | |
13 | * Thomas Spatzier <tspat@de.ibm.com> | |
14 | * | |
f3d242e8 | 15 | * $Revision: 1.224 $ $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> | |
68 | ||
69 | #include "qeth.h" | |
70 | #include "qeth_mpc.h" | |
71 | #include "qeth_fs.h" | |
72 | #include "qeth_eddp.h" | |
73 | #include "qeth_tso.h" | |
74 | ||
f3d242e8 | 75 | #define VERSION_QETH_C "$Revision: 1.224 $" |
1da177e4 LT |
76 | static const char *version = "qeth S/390 OSA-Express driver"; |
77 | ||
78 | /** | |
79 | * Debug Facility Stuff | |
80 | */ | |
81 | static debug_info_t *qeth_dbf_setup = NULL; | |
82 | static debug_info_t *qeth_dbf_data = NULL; | |
83 | static debug_info_t *qeth_dbf_misc = NULL; | |
84 | static debug_info_t *qeth_dbf_control = NULL; | |
85 | debug_info_t *qeth_dbf_trace = NULL; | |
86 | static debug_info_t *qeth_dbf_sense = NULL; | |
87 | static debug_info_t *qeth_dbf_qerr = NULL; | |
88 | ||
89 | DEFINE_PER_CPU(char[256], qeth_dbf_txt_buf); | |
90 | ||
91 | /** | |
92 | * some more definitions and declarations | |
93 | */ | |
94 | static unsigned int known_devices[][10] = QETH_MODELLIST_ARRAY; | |
95 | ||
96 | /* list of our cards */ | |
97 | struct qeth_card_list_struct qeth_card_list; | |
98 | /*process list want to be notified*/ | |
99 | spinlock_t qeth_notify_lock; | |
100 | struct list_head qeth_notify_list; | |
101 | ||
102 | static void qeth_send_control_data_cb(struct qeth_channel *, | |
103 | struct qeth_cmd_buffer *); | |
104 | ||
105 | /** | |
106 | * here we go with function implementation | |
107 | */ | |
108 | static void | |
109 | qeth_init_qdio_info(struct qeth_card *card); | |
110 | ||
111 | static int | |
112 | qeth_init_qdio_queues(struct qeth_card *card); | |
113 | ||
114 | static int | |
115 | qeth_alloc_qdio_buffers(struct qeth_card *card); | |
116 | ||
117 | static void | |
118 | qeth_free_qdio_buffers(struct qeth_card *); | |
119 | ||
120 | static void | |
121 | qeth_clear_qdio_buffers(struct qeth_card *); | |
122 | ||
123 | static void | |
124 | qeth_clear_ip_list(struct qeth_card *, int, int); | |
125 | ||
126 | static void | |
127 | qeth_clear_ipacmd_list(struct qeth_card *); | |
128 | ||
129 | static int | |
130 | qeth_qdio_clear_card(struct qeth_card *, int); | |
131 | ||
132 | static void | |
133 | qeth_clear_working_pool_list(struct qeth_card *); | |
134 | ||
135 | static void | |
136 | qeth_clear_cmd_buffers(struct qeth_channel *); | |
137 | ||
138 | static int | |
139 | qeth_stop(struct net_device *); | |
140 | ||
141 | static void | |
142 | qeth_clear_ipato_list(struct qeth_card *); | |
143 | ||
144 | static int | |
145 | qeth_is_addr_covered_by_ipato(struct qeth_card *, struct qeth_ipaddr *); | |
146 | ||
147 | static void | |
148 | qeth_irq_tasklet(unsigned long); | |
149 | ||
150 | static int | |
151 | qeth_set_online(struct ccwgroup_device *); | |
152 | ||
05e08a2a FP |
153 | static int |
154 | __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode); | |
155 | ||
1da177e4 LT |
156 | static struct qeth_ipaddr * |
157 | qeth_get_addr_buffer(enum qeth_prot_versions); | |
158 | ||
159 | static void | |
160 | qeth_set_multicast_list(struct net_device *); | |
161 | ||
162 | static void | |
163 | qeth_notify_processes(void) | |
164 | { | |
165 | /*notify all registered processes */ | |
166 | struct qeth_notify_list_struct *n_entry; | |
167 | ||
168 | QETH_DBF_TEXT(trace,3,"procnoti"); | |
169 | spin_lock(&qeth_notify_lock); | |
170 | list_for_each_entry(n_entry, &qeth_notify_list, list) { | |
171 | send_sig(n_entry->signum, n_entry->task, 1); | |
172 | } | |
173 | spin_unlock(&qeth_notify_lock); | |
174 | ||
175 | } | |
176 | int | |
177 | qeth_notifier_unregister(struct task_struct *p) | |
178 | { | |
179 | struct qeth_notify_list_struct *n_entry, *tmp; | |
180 | ||
181 | QETH_DBF_TEXT(trace, 2, "notunreg"); | |
182 | spin_lock(&qeth_notify_lock); | |
183 | list_for_each_entry_safe(n_entry, tmp, &qeth_notify_list, list) { | |
184 | if (n_entry->task == p) { | |
185 | list_del(&n_entry->list); | |
186 | kfree(n_entry); | |
187 | goto out; | |
188 | } | |
189 | } | |
190 | out: | |
191 | spin_unlock(&qeth_notify_lock); | |
192 | return 0; | |
193 | } | |
194 | int | |
195 | qeth_notifier_register(struct task_struct *p, int signum) | |
196 | { | |
197 | struct qeth_notify_list_struct *n_entry; | |
198 | ||
199 | ||
200 | /*check first if entry already exists*/ | |
201 | spin_lock(&qeth_notify_lock); | |
202 | list_for_each_entry(n_entry, &qeth_notify_list, list) { | |
203 | if (n_entry->task == p) { | |
204 | n_entry->signum = signum; | |
205 | spin_unlock(&qeth_notify_lock); | |
206 | return 0; | |
207 | } | |
208 | } | |
209 | spin_unlock(&qeth_notify_lock); | |
210 | ||
211 | n_entry = (struct qeth_notify_list_struct *) | |
212 | kmalloc(sizeof(struct qeth_notify_list_struct),GFP_KERNEL); | |
213 | if (!n_entry) | |
214 | return -ENOMEM; | |
215 | n_entry->task = p; | |
216 | n_entry->signum = signum; | |
217 | spin_lock(&qeth_notify_lock); | |
218 | list_add(&n_entry->list,&qeth_notify_list); | |
219 | spin_unlock(&qeth_notify_lock); | |
220 | return 0; | |
221 | } | |
222 | ||
223 | ||
224 | /** | |
225 | * free channel command buffers | |
226 | */ | |
227 | static void | |
228 | qeth_clean_channel(struct qeth_channel *channel) | |
229 | { | |
230 | int cnt; | |
231 | ||
232 | QETH_DBF_TEXT(setup, 2, "freech"); | |
233 | for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) | |
234 | kfree(channel->iob[cnt].data); | |
235 | } | |
236 | ||
237 | /** | |
238 | * free card | |
239 | */ | |
240 | static void | |
241 | qeth_free_card(struct qeth_card *card) | |
242 | { | |
243 | ||
244 | QETH_DBF_TEXT(setup, 2, "freecrd"); | |
245 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
246 | qeth_clean_channel(&card->read); | |
247 | qeth_clean_channel(&card->write); | |
248 | if (card->dev) | |
249 | free_netdev(card->dev); | |
250 | qeth_clear_ip_list(card, 0, 0); | |
251 | qeth_clear_ipato_list(card); | |
252 | kfree(card->ip_tbd_list); | |
253 | qeth_free_qdio_buffers(card); | |
254 | kfree(card); | |
255 | } | |
256 | ||
257 | /** | |
258 | * alloc memory for command buffer per channel | |
259 | */ | |
260 | static int | |
261 | qeth_setup_channel(struct qeth_channel *channel) | |
262 | { | |
263 | int cnt; | |
264 | ||
265 | QETH_DBF_TEXT(setup, 2, "setupch"); | |
266 | for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) { | |
267 | channel->iob[cnt].data = (char *) | |
268 | kmalloc(QETH_BUFSIZE, GFP_DMA|GFP_KERNEL); | |
269 | if (channel->iob[cnt].data == NULL) | |
270 | break; | |
271 | channel->iob[cnt].state = BUF_STATE_FREE; | |
272 | channel->iob[cnt].channel = channel; | |
273 | channel->iob[cnt].callback = qeth_send_control_data_cb; | |
274 | channel->iob[cnt].rc = 0; | |
275 | } | |
276 | if (cnt < QETH_CMD_BUFFER_NO) { | |
277 | while (cnt-- > 0) | |
278 | kfree(channel->iob[cnt].data); | |
279 | return -ENOMEM; | |
280 | } | |
281 | channel->buf_no = 0; | |
282 | channel->io_buf_no = 0; | |
283 | atomic_set(&channel->irq_pending, 0); | |
284 | spin_lock_init(&channel->iob_lock); | |
285 | ||
286 | init_waitqueue_head(&channel->wait_q); | |
287 | channel->irq_tasklet.data = (unsigned long) channel; | |
288 | channel->irq_tasklet.func = qeth_irq_tasklet; | |
289 | return 0; | |
290 | } | |
291 | ||
292 | /** | |
293 | * alloc memory for card structure | |
294 | */ | |
295 | static struct qeth_card * | |
296 | qeth_alloc_card(void) | |
297 | { | |
298 | struct qeth_card *card; | |
299 | ||
300 | QETH_DBF_TEXT(setup, 2, "alloccrd"); | |
301 | card = (struct qeth_card *) kmalloc(sizeof(struct qeth_card), | |
302 | GFP_DMA|GFP_KERNEL); | |
303 | if (!card) | |
304 | return NULL; | |
305 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
306 | memset(card, 0, sizeof(struct qeth_card)); | |
307 | if (qeth_setup_channel(&card->read)) { | |
308 | kfree(card); | |
309 | return NULL; | |
310 | } | |
311 | if (qeth_setup_channel(&card->write)) { | |
312 | qeth_clean_channel(&card->read); | |
313 | kfree(card); | |
314 | return NULL; | |
315 | } | |
316 | return card; | |
317 | } | |
318 | ||
319 | static long | |
320 | __qeth_check_irb_error(struct ccw_device *cdev, struct irb *irb) | |
321 | { | |
322 | if (!IS_ERR(irb)) | |
323 | return 0; | |
324 | ||
325 | switch (PTR_ERR(irb)) { | |
326 | case -EIO: | |
327 | PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id); | |
328 | QETH_DBF_TEXT(trace, 2, "ckirberr"); | |
329 | QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO); | |
330 | break; | |
331 | case -ETIMEDOUT: | |
332 | PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id); | |
333 | QETH_DBF_TEXT(trace, 2, "ckirberr"); | |
334 | QETH_DBF_TEXT_(trace, 2, " rc%d", -ETIMEDOUT); | |
335 | break; | |
336 | default: | |
337 | PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb), | |
338 | cdev->dev.bus_id); | |
339 | QETH_DBF_TEXT(trace, 2, "ckirberr"); | |
340 | QETH_DBF_TEXT(trace, 2, " rc???"); | |
341 | } | |
342 | return PTR_ERR(irb); | |
343 | } | |
344 | ||
345 | static int | |
346 | qeth_get_problem(struct ccw_device *cdev, struct irb *irb) | |
347 | { | |
348 | int dstat,cstat; | |
349 | char *sense; | |
350 | ||
351 | sense = (char *) irb->ecw; | |
352 | cstat = irb->scsw.cstat; | |
353 | dstat = irb->scsw.dstat; | |
354 | ||
355 | if (cstat & (SCHN_STAT_CHN_CTRL_CHK | SCHN_STAT_INTF_CTRL_CHK | | |
356 | SCHN_STAT_CHN_DATA_CHK | SCHN_STAT_CHAIN_CHECK | | |
357 | SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) { | |
358 | QETH_DBF_TEXT(trace,2, "CGENCHK"); | |
359 | PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ", | |
360 | cdev->dev.bus_id, dstat, cstat); | |
361 | HEXDUMP16(WARN, "irb: ", irb); | |
362 | HEXDUMP16(WARN, "irb: ", ((char *) irb) + 32); | |
363 | return 1; | |
364 | } | |
365 | ||
366 | if (dstat & DEV_STAT_UNIT_CHECK) { | |
367 | if (sense[SENSE_RESETTING_EVENT_BYTE] & | |
368 | SENSE_RESETTING_EVENT_FLAG) { | |
369 | QETH_DBF_TEXT(trace,2,"REVIND"); | |
370 | return 1; | |
371 | } | |
372 | if (sense[SENSE_COMMAND_REJECT_BYTE] & | |
373 | SENSE_COMMAND_REJECT_FLAG) { | |
374 | QETH_DBF_TEXT(trace,2,"CMDREJi"); | |
375 | return 0; | |
376 | } | |
377 | if ((sense[2] == 0xaf) && (sense[3] == 0xfe)) { | |
378 | QETH_DBF_TEXT(trace,2,"AFFE"); | |
379 | return 1; | |
380 | } | |
381 | if ((!sense[0]) && (!sense[1]) && (!sense[2]) && (!sense[3])) { | |
382 | QETH_DBF_TEXT(trace,2,"ZEROSEN"); | |
383 | return 0; | |
384 | } | |
385 | QETH_DBF_TEXT(trace,2,"DGENCHK"); | |
386 | return 1; | |
387 | } | |
388 | return 0; | |
389 | } | |
390 | static int qeth_issue_next_read(struct qeth_card *); | |
391 | ||
392 | /** | |
393 | * interrupt handler | |
394 | */ | |
395 | static void | |
396 | qeth_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) | |
397 | { | |
398 | int rc; | |
399 | int cstat,dstat; | |
400 | struct qeth_cmd_buffer *buffer; | |
401 | struct qeth_channel *channel; | |
402 | struct qeth_card *card; | |
403 | ||
404 | QETH_DBF_TEXT(trace,5,"irq"); | |
405 | ||
406 | if (__qeth_check_irb_error(cdev, irb)) | |
407 | return; | |
408 | cstat = irb->scsw.cstat; | |
409 | dstat = irb->scsw.dstat; | |
410 | ||
411 | card = CARD_FROM_CDEV(cdev); | |
412 | if (!card) | |
413 | return; | |
414 | ||
415 | if (card->read.ccwdev == cdev){ | |
416 | channel = &card->read; | |
417 | QETH_DBF_TEXT(trace,5,"read"); | |
418 | } else if (card->write.ccwdev == cdev) { | |
419 | channel = &card->write; | |
420 | QETH_DBF_TEXT(trace,5,"write"); | |
421 | } else { | |
422 | channel = &card->data; | |
423 | QETH_DBF_TEXT(trace,5,"data"); | |
424 | } | |
425 | atomic_set(&channel->irq_pending, 0); | |
426 | ||
427 | if (irb->scsw.fctl & (SCSW_FCTL_CLEAR_FUNC)) | |
428 | channel->state = CH_STATE_STOPPED; | |
429 | ||
430 | if (irb->scsw.fctl & (SCSW_FCTL_HALT_FUNC)) | |
431 | channel->state = CH_STATE_HALTED; | |
432 | ||
433 | /*let's wake up immediately on data channel*/ | |
434 | if ((channel == &card->data) && (intparm != 0)) | |
435 | goto out; | |
436 | ||
437 | if (intparm == QETH_CLEAR_CHANNEL_PARM) { | |
438 | QETH_DBF_TEXT(trace, 6, "clrchpar"); | |
439 | /* we don't have to handle this further */ | |
440 | intparm = 0; | |
441 | } | |
442 | if (intparm == QETH_HALT_CHANNEL_PARM) { | |
443 | QETH_DBF_TEXT(trace, 6, "hltchpar"); | |
444 | /* we don't have to handle this further */ | |
445 | intparm = 0; | |
446 | } | |
447 | if ((dstat & DEV_STAT_UNIT_EXCEP) || | |
448 | (dstat & DEV_STAT_UNIT_CHECK) || | |
449 | (cstat)) { | |
450 | if (irb->esw.esw0.erw.cons) { | |
451 | /* TODO: we should make this s390dbf */ | |
452 | PRINT_WARN("sense data available on channel %s.\n", | |
453 | CHANNEL_ID(channel)); | |
454 | PRINT_WARN(" cstat 0x%X\n dstat 0x%X\n", cstat, dstat); | |
455 | HEXDUMP16(WARN,"irb: ",irb); | |
456 | HEXDUMP16(WARN,"sense data: ",irb->ecw); | |
457 | } | |
458 | rc = qeth_get_problem(cdev,irb); | |
459 | if (rc) { | |
460 | qeth_schedule_recovery(card); | |
461 | goto out; | |
462 | } | |
463 | } | |
464 | ||
465 | if (intparm) { | |
466 | buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm); | |
467 | buffer->state = BUF_STATE_PROCESSED; | |
468 | } | |
469 | if (channel == &card->data) | |
470 | return; | |
471 | ||
472 | if (channel == &card->read && | |
473 | channel->state == CH_STATE_UP) | |
474 | qeth_issue_next_read(card); | |
475 | ||
476 | tasklet_schedule(&channel->irq_tasklet); | |
477 | return; | |
478 | out: | |
479 | wake_up(&card->wait_q); | |
480 | } | |
481 | ||
482 | /** | |
483 | * tasklet function scheduled from irq handler | |
484 | */ | |
485 | static void | |
486 | qeth_irq_tasklet(unsigned long data) | |
487 | { | |
488 | struct qeth_card *card; | |
489 | struct qeth_channel *channel; | |
490 | struct qeth_cmd_buffer *iob; | |
491 | __u8 index; | |
492 | ||
493 | QETH_DBF_TEXT(trace,5,"irqtlet"); | |
494 | channel = (struct qeth_channel *) data; | |
495 | iob = channel->iob; | |
496 | index = channel->buf_no; | |
497 | card = CARD_FROM_CDEV(channel->ccwdev); | |
498 | while (iob[index].state == BUF_STATE_PROCESSED) { | |
499 | if (iob[index].callback !=NULL) { | |
500 | iob[index].callback(channel,iob + index); | |
501 | } | |
502 | index = (index + 1) % QETH_CMD_BUFFER_NO; | |
503 | } | |
504 | channel->buf_no = index; | |
505 | wake_up(&card->wait_q); | |
506 | } | |
507 | ||
05e08a2a | 508 | static int qeth_stop_card(struct qeth_card *, int); |
1da177e4 LT |
509 | |
510 | static int | |
05e08a2a | 511 | __qeth_set_offline(struct ccwgroup_device *cgdev, int recovery_mode) |
1da177e4 LT |
512 | { |
513 | struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; | |
514 | int rc = 0; | |
515 | enum qeth_card_states recover_flag; | |
516 | ||
517 | QETH_DBF_TEXT(setup, 3, "setoffl"); | |
518 | QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); | |
519 | ||
520 | recover_flag = card->state; | |
05e08a2a | 521 | if (qeth_stop_card(card, recovery_mode) == -ERESTARTSYS){ |
1da177e4 LT |
522 | PRINT_WARN("Stopping card %s interrupted by user!\n", |
523 | CARD_BUS_ID(card)); | |
524 | return -ERESTARTSYS; | |
525 | } | |
526 | if ((rc = ccw_device_set_offline(CARD_DDEV(card))) || | |
527 | (rc = ccw_device_set_offline(CARD_WDEV(card))) || | |
528 | (rc = ccw_device_set_offline(CARD_RDEV(card)))) { | |
529 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
530 | } | |
531 | if (recover_flag == CARD_STATE_UP) | |
532 | card->state = CARD_STATE_RECOVER; | |
533 | qeth_notify_processes(); | |
534 | return 0; | |
535 | } | |
536 | ||
05e08a2a FP |
537 | static int |
538 | qeth_set_offline(struct ccwgroup_device *cgdev) | |
539 | { | |
540 | return __qeth_set_offline(cgdev, 0); | |
541 | } | |
542 | ||
1da177e4 LT |
543 | static int |
544 | qeth_wait_for_threads(struct qeth_card *card, unsigned long threads); | |
545 | ||
546 | ||
547 | static void | |
548 | qeth_remove_device(struct ccwgroup_device *cgdev) | |
549 | { | |
550 | struct qeth_card *card = (struct qeth_card *) cgdev->dev.driver_data; | |
551 | unsigned long flags; | |
552 | ||
553 | QETH_DBF_TEXT(setup, 3, "rmdev"); | |
554 | QETH_DBF_HEX(setup, 3, &card, sizeof(void *)); | |
555 | ||
556 | if (!card) | |
557 | return; | |
558 | ||
559 | if (qeth_wait_for_threads(card, 0xffffffff)) | |
560 | return; | |
561 | ||
562 | if (cgdev->state == CCWGROUP_ONLINE){ | |
563 | card->use_hard_stop = 1; | |
564 | qeth_set_offline(cgdev); | |
565 | } | |
566 | /* remove form our internal list */ | |
567 | write_lock_irqsave(&qeth_card_list.rwlock, flags); | |
568 | list_del(&card->list); | |
569 | write_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
570 | if (card->dev) | |
571 | unregister_netdev(card->dev); | |
572 | qeth_remove_device_attributes(&cgdev->dev); | |
573 | qeth_free_card(card); | |
574 | cgdev->dev.driver_data = NULL; | |
575 | put_device(&cgdev->dev); | |
576 | } | |
577 | ||
578 | static int | |
579 | qeth_register_addr_entry(struct qeth_card *, struct qeth_ipaddr *); | |
580 | static int | |
581 | qeth_deregister_addr_entry(struct qeth_card *, struct qeth_ipaddr *); | |
582 | ||
583 | /** | |
584 | * Add/remove address to/from card's ip list, i.e. try to add or remove | |
585 | * reference to/from an IP address that is already registered on the card. | |
586 | * Returns: | |
587 | * 0 address was on card and its reference count has been adjusted, | |
588 | * but is still > 0, so nothing has to be done | |
589 | * also returns 0 if card was not on card and the todo was to delete | |
590 | * the address -> there is also nothing to be done | |
591 | * 1 address was not on card and the todo is to add it to the card's ip | |
592 | * list | |
593 | * -1 address was on card and its reference count has been decremented | |
594 | * to <= 0 by the todo -> address must be removed from card | |
595 | */ | |
596 | static int | |
597 | __qeth_ref_ip_on_card(struct qeth_card *card, struct qeth_ipaddr *todo, | |
598 | struct qeth_ipaddr **__addr) | |
599 | { | |
600 | struct qeth_ipaddr *addr; | |
601 | int found = 0; | |
602 | ||
603 | list_for_each_entry(addr, &card->ip_list, entry) { | |
604 | if ((addr->proto == QETH_PROT_IPV4) && | |
605 | (todo->proto == QETH_PROT_IPV4) && | |
606 | (addr->type == todo->type) && | |
607 | (addr->u.a4.addr == todo->u.a4.addr) && | |
608 | (addr->u.a4.mask == todo->u.a4.mask) ){ | |
609 | found = 1; | |
610 | break; | |
611 | } | |
612 | if ((addr->proto == QETH_PROT_IPV6) && | |
613 | (todo->proto == QETH_PROT_IPV6) && | |
614 | (addr->type == todo->type) && | |
615 | (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && | |
616 | (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, | |
617 | sizeof(struct in6_addr)) == 0)) { | |
618 | found = 1; | |
619 | break; | |
620 | } | |
621 | } | |
622 | if (found){ | |
623 | addr->users += todo->users; | |
624 | if (addr->users <= 0){ | |
625 | *__addr = addr; | |
626 | return -1; | |
627 | } else { | |
628 | /* for VIPA and RXIP limit refcount to 1 */ | |
629 | if (addr->type != QETH_IP_TYPE_NORMAL) | |
630 | addr->users = 1; | |
631 | return 0; | |
632 | } | |
633 | } | |
634 | if (todo->users > 0){ | |
635 | /* for VIPA and RXIP limit refcount to 1 */ | |
636 | if (todo->type != QETH_IP_TYPE_NORMAL) | |
637 | todo->users = 1; | |
638 | return 1; | |
639 | } else | |
640 | return 0; | |
641 | } | |
642 | ||
643 | static inline int | |
644 | __qeth_address_exists_in_list(struct list_head *list, struct qeth_ipaddr *addr, | |
645 | int same_type) | |
646 | { | |
647 | struct qeth_ipaddr *tmp; | |
648 | ||
649 | list_for_each_entry(tmp, list, entry) { | |
650 | if ((tmp->proto == QETH_PROT_IPV4) && | |
651 | (addr->proto == QETH_PROT_IPV4) && | |
652 | ((same_type && (tmp->type == addr->type)) || | |
653 | (!same_type && (tmp->type != addr->type)) ) && | |
654 | (tmp->u.a4.addr == addr->u.a4.addr) ){ | |
655 | return 1; | |
656 | } | |
657 | if ((tmp->proto == QETH_PROT_IPV6) && | |
658 | (addr->proto == QETH_PROT_IPV6) && | |
659 | ((same_type && (tmp->type == addr->type)) || | |
660 | (!same_type && (tmp->type != addr->type)) ) && | |
661 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
662 | sizeof(struct in6_addr)) == 0) ) { | |
663 | return 1; | |
664 | } | |
665 | } | |
666 | return 0; | |
667 | } | |
668 | ||
669 | /* | |
670 | * Add IP to be added to todo list. If there is already an "add todo" | |
671 | * in this list we just incremenent the reference count. | |
672 | * Returns 0 if we just incremented reference count. | |
673 | */ | |
674 | static int | |
675 | __qeth_insert_ip_todo(struct qeth_card *card, struct qeth_ipaddr *addr, int add) | |
676 | { | |
677 | struct qeth_ipaddr *tmp, *t; | |
678 | int found = 0; | |
679 | ||
680 | list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { | |
681 | if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && | |
682 | (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) | |
683 | return 0; | |
684 | if ((tmp->proto == QETH_PROT_IPV4) && | |
685 | (addr->proto == QETH_PROT_IPV4) && | |
686 | (tmp->type == addr->type) && | |
687 | (tmp->is_multicast == addr->is_multicast) && | |
688 | (tmp->u.a4.addr == addr->u.a4.addr) && | |
689 | (tmp->u.a4.mask == addr->u.a4.mask) ){ | |
690 | found = 1; | |
691 | break; | |
692 | } | |
693 | if ((tmp->proto == QETH_PROT_IPV6) && | |
694 | (addr->proto == QETH_PROT_IPV6) && | |
695 | (tmp->type == addr->type) && | |
696 | (tmp->is_multicast == addr->is_multicast) && | |
697 | (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && | |
698 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
699 | sizeof(struct in6_addr)) == 0) ){ | |
700 | found = 1; | |
701 | break; | |
702 | } | |
703 | } | |
704 | if (found){ | |
705 | if (addr->users != 0) | |
706 | tmp->users += addr->users; | |
707 | else | |
708 | tmp->users += add? 1:-1; | |
709 | if (tmp->users == 0){ | |
710 | list_del(&tmp->entry); | |
711 | kfree(tmp); | |
712 | } | |
713 | return 0; | |
714 | } else { | |
715 | if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) | |
716 | list_add(&addr->entry, card->ip_tbd_list); | |
717 | else { | |
718 | if (addr->users == 0) | |
719 | addr->users += add? 1:-1; | |
720 | if (add && (addr->type == QETH_IP_TYPE_NORMAL) && | |
721 | qeth_is_addr_covered_by_ipato(card, addr)){ | |
722 | QETH_DBF_TEXT(trace, 2, "tkovaddr"); | |
723 | addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; | |
724 | } | |
725 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
726 | } | |
727 | return 1; | |
728 | } | |
729 | } | |
730 | ||
731 | /** | |
732 | * Remove IP address from list | |
733 | */ | |
734 | static int | |
735 | qeth_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) | |
736 | { | |
737 | unsigned long flags; | |
738 | int rc = 0; | |
739 | ||
740 | QETH_DBF_TEXT(trace,4,"delip"); | |
741 | if (addr->proto == QETH_PROT_IPV4) | |
742 | QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4); | |
743 | else { | |
744 | QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8); | |
745 | QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8); | |
746 | } | |
747 | spin_lock_irqsave(&card->ip_lock, flags); | |
748 | rc = __qeth_insert_ip_todo(card, addr, 0); | |
749 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
750 | return rc; | |
751 | } | |
752 | ||
753 | static int | |
754 | qeth_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) | |
755 | { | |
756 | unsigned long flags; | |
757 | int rc = 0; | |
758 | ||
759 | QETH_DBF_TEXT(trace,4,"addip"); | |
760 | if (addr->proto == QETH_PROT_IPV4) | |
761 | QETH_DBF_HEX(trace,4,&addr->u.a4.addr,4); | |
762 | else { | |
763 | QETH_DBF_HEX(trace,4,&addr->u.a6.addr,8); | |
764 | QETH_DBF_HEX(trace,4,((char *)&addr->u.a6.addr)+8,8); | |
765 | } | |
766 | spin_lock_irqsave(&card->ip_lock, flags); | |
767 | rc = __qeth_insert_ip_todo(card, addr, 1); | |
768 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
769 | return rc; | |
770 | } | |
771 | ||
772 | static inline void | |
773 | __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags) | |
774 | { | |
775 | struct qeth_ipaddr *addr, *tmp; | |
776 | int rc; | |
777 | ||
778 | list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { | |
779 | if (addr->is_multicast) { | |
780 | spin_unlock_irqrestore(&card->ip_lock, *flags); | |
781 | rc = qeth_deregister_addr_entry(card, addr); | |
782 | spin_lock_irqsave(&card->ip_lock, *flags); | |
783 | if (!rc) { | |
784 | list_del(&addr->entry); | |
785 | kfree(addr); | |
786 | } | |
787 | } | |
788 | } | |
789 | } | |
790 | ||
791 | static void | |
792 | qeth_set_ip_addr_list(struct qeth_card *card) | |
793 | { | |
794 | struct list_head *tbd_list; | |
795 | struct qeth_ipaddr *todo, *addr; | |
796 | unsigned long flags; | |
797 | int rc; | |
798 | ||
799 | QETH_DBF_TEXT(trace, 2, "sdiplist"); | |
800 | QETH_DBF_HEX(trace, 2, &card, sizeof(void *)); | |
801 | ||
802 | spin_lock_irqsave(&card->ip_lock, flags); | |
803 | tbd_list = card->ip_tbd_list; | |
804 | card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); | |
805 | if (!card->ip_tbd_list) { | |
806 | QETH_DBF_TEXT(trace, 0, "silnomem"); | |
807 | card->ip_tbd_list = tbd_list; | |
808 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
809 | return; | |
810 | } else | |
811 | INIT_LIST_HEAD(card->ip_tbd_list); | |
812 | ||
813 | while (!list_empty(tbd_list)){ | |
814 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); | |
815 | list_del(&todo->entry); | |
816 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC){ | |
817 | __qeth_delete_all_mc(card, &flags); | |
818 | kfree(todo); | |
819 | continue; | |
820 | } | |
821 | rc = __qeth_ref_ip_on_card(card, todo, &addr); | |
822 | if (rc == 0) { | |
823 | /* nothing to be done; only adjusted refcount */ | |
824 | kfree(todo); | |
825 | } else if (rc == 1) { | |
826 | /* new entry to be added to on-card list */ | |
827 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
828 | rc = qeth_register_addr_entry(card, todo); | |
829 | spin_lock_irqsave(&card->ip_lock, flags); | |
830 | if (!rc) | |
831 | list_add_tail(&todo->entry, &card->ip_list); | |
832 | else | |
833 | kfree(todo); | |
834 | } else if (rc == -1) { | |
835 | /* on-card entry to be removed */ | |
836 | list_del_init(&addr->entry); | |
837 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
838 | rc = qeth_deregister_addr_entry(card, addr); | |
839 | spin_lock_irqsave(&card->ip_lock, flags); | |
840 | if (!rc) | |
841 | kfree(addr); | |
842 | else | |
843 | list_add_tail(&addr->entry, &card->ip_list); | |
844 | kfree(todo); | |
845 | } | |
846 | } | |
847 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
848 | kfree(tbd_list); | |
849 | } | |
850 | ||
851 | static void qeth_delete_mc_addresses(struct qeth_card *); | |
852 | static void qeth_add_multicast_ipv4(struct qeth_card *); | |
853 | #ifdef CONFIG_QETH_IPV6 | |
854 | static void qeth_add_multicast_ipv6(struct qeth_card *); | |
855 | #endif | |
856 | ||
857 | static inline int | |
858 | qeth_set_thread_start_bit(struct qeth_card *card, unsigned long thread) | |
859 | { | |
860 | unsigned long flags; | |
861 | ||
862 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
863 | if ( !(card->thread_allowed_mask & thread) || | |
864 | (card->thread_start_mask & thread) ) { | |
865 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
866 | return -EPERM; | |
867 | } | |
868 | card->thread_start_mask |= thread; | |
869 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
870 | return 0; | |
871 | } | |
872 | ||
873 | static void | |
874 | qeth_clear_thread_start_bit(struct qeth_card *card, unsigned long thread) | |
875 | { | |
876 | unsigned long flags; | |
877 | ||
878 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
879 | card->thread_start_mask &= ~thread; | |
880 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
881 | wake_up(&card->wait_q); | |
882 | } | |
883 | ||
884 | static void | |
885 | qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread) | |
886 | { | |
887 | unsigned long flags; | |
888 | ||
889 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
890 | card->thread_running_mask &= ~thread; | |
891 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
892 | wake_up(&card->wait_q); | |
893 | } | |
894 | ||
895 | static inline int | |
896 | __qeth_do_run_thread(struct qeth_card *card, unsigned long thread) | |
897 | { | |
898 | unsigned long flags; | |
899 | int rc = 0; | |
900 | ||
901 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
902 | if (card->thread_start_mask & thread){ | |
903 | if ((card->thread_allowed_mask & thread) && | |
904 | !(card->thread_running_mask & thread)){ | |
905 | rc = 1; | |
906 | card->thread_start_mask &= ~thread; | |
907 | card->thread_running_mask |= thread; | |
908 | } else | |
909 | rc = -EPERM; | |
910 | } | |
911 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
912 | return rc; | |
913 | } | |
914 | ||
915 | static int | |
916 | qeth_do_run_thread(struct qeth_card *card, unsigned long thread) | |
917 | { | |
918 | int rc = 0; | |
919 | ||
920 | wait_event(card->wait_q, | |
921 | (rc = __qeth_do_run_thread(card, thread)) >= 0); | |
922 | return rc; | |
923 | } | |
924 | ||
925 | static int | |
926 | qeth_register_ip_addresses(void *ptr) | |
927 | { | |
928 | struct qeth_card *card; | |
929 | ||
930 | card = (struct qeth_card *) ptr; | |
931 | daemonize("qeth_reg_ip"); | |
932 | QETH_DBF_TEXT(trace,4,"regipth1"); | |
933 | if (!qeth_do_run_thread(card, QETH_SET_IP_THREAD)) | |
934 | return 0; | |
935 | QETH_DBF_TEXT(trace,4,"regipth2"); | |
936 | qeth_set_ip_addr_list(card); | |
937 | qeth_clear_thread_running_bit(card, QETH_SET_IP_THREAD); | |
938 | return 0; | |
939 | } | |
940 | ||
941 | static int | |
942 | qeth_recover(void *ptr) | |
943 | { | |
944 | struct qeth_card *card; | |
945 | int rc = 0; | |
946 | ||
947 | card = (struct qeth_card *) ptr; | |
948 | daemonize("qeth_recover"); | |
949 | QETH_DBF_TEXT(trace,2,"recover1"); | |
950 | QETH_DBF_HEX(trace, 2, &card, sizeof(void *)); | |
951 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) | |
952 | return 0; | |
953 | QETH_DBF_TEXT(trace,2,"recover2"); | |
954 | PRINT_WARN("Recovery of device %s started ...\n", | |
955 | CARD_BUS_ID(card)); | |
956 | card->use_hard_stop = 1; | |
05e08a2a FP |
957 | __qeth_set_offline(card->gdev,1); |
958 | rc = __qeth_set_online(card->gdev,1); | |
1da177e4 LT |
959 | if (!rc) |
960 | PRINT_INFO("Device %s successfully recovered!\n", | |
961 | CARD_BUS_ID(card)); | |
962 | else | |
963 | PRINT_INFO("Device %s could not be recovered!\n", | |
964 | CARD_BUS_ID(card)); | |
965 | /* don't run another scheduled recovery */ | |
966 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); | |
967 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
968 | return 0; | |
969 | } | |
970 | ||
971 | void | |
972 | qeth_schedule_recovery(struct qeth_card *card) | |
973 | { | |
974 | QETH_DBF_TEXT(trace,2,"startrec"); | |
975 | ||
976 | if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0) | |
977 | schedule_work(&card->kernel_thread_starter); | |
978 | } | |
979 | ||
980 | static int | |
981 | qeth_do_start_thread(struct qeth_card *card, unsigned long thread) | |
982 | { | |
983 | unsigned long flags; | |
984 | int rc = 0; | |
985 | ||
986 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
987 | QETH_DBF_TEXT_(trace, 4, " %02x%02x%02x", | |
988 | (u8) card->thread_start_mask, | |
989 | (u8) card->thread_allowed_mask, | |
990 | (u8) card->thread_running_mask); | |
991 | rc = (card->thread_start_mask & thread); | |
992 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
993 | return rc; | |
994 | } | |
995 | ||
996 | static void | |
997 | qeth_start_kernel_thread(struct qeth_card *card) | |
998 | { | |
999 | QETH_DBF_TEXT(trace , 2, "strthrd"); | |
1000 | ||
1001 | if (card->read.state != CH_STATE_UP && | |
1002 | card->write.state != CH_STATE_UP) | |
1003 | return; | |
1004 | ||
1005 | if (qeth_do_start_thread(card, QETH_SET_IP_THREAD)) | |
1006 | kernel_thread(qeth_register_ip_addresses, (void *)card,SIGCHLD); | |
1007 | if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) | |
1008 | kernel_thread(qeth_recover, (void *) card, SIGCHLD); | |
1009 | } | |
1010 | ||
1011 | ||
1012 | static void | |
1013 | qeth_set_intial_options(struct qeth_card *card) | |
1014 | { | |
1015 | card->options.route4.type = NO_ROUTER; | |
1016 | #ifdef CONFIG_QETH_IPV6 | |
1017 | card->options.route6.type = NO_ROUTER; | |
1018 | #endif /* QETH_IPV6 */ | |
1019 | card->options.checksum_type = QETH_CHECKSUM_DEFAULT; | |
1020 | card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS; | |
1021 | card->options.macaddr_mode = QETH_TR_MACADDR_NONCANONICAL; | |
1022 | card->options.fake_broadcast = 0; | |
1023 | card->options.add_hhlen = DEFAULT_ADD_HHLEN; | |
1024 | card->options.fake_ll = 0; | |
1025 | card->options.layer2 = 0; | |
1026 | } | |
1027 | ||
1028 | /** | |
1029 | * initialize channels ,card and all state machines | |
1030 | */ | |
1031 | static int | |
1032 | qeth_setup_card(struct qeth_card *card) | |
1033 | { | |
1034 | ||
1035 | QETH_DBF_TEXT(setup, 2, "setupcrd"); | |
1036 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
1037 | ||
1038 | card->read.state = CH_STATE_DOWN; | |
1039 | card->write.state = CH_STATE_DOWN; | |
1040 | card->data.state = CH_STATE_DOWN; | |
1041 | card->state = CARD_STATE_DOWN; | |
1042 | card->lan_online = 0; | |
1043 | card->use_hard_stop = 0; | |
1044 | card->dev = NULL; | |
1045 | #ifdef CONFIG_QETH_VLAN | |
1046 | spin_lock_init(&card->vlanlock); | |
1047 | card->vlangrp = NULL; | |
1048 | #endif | |
1049 | spin_lock_init(&card->ip_lock); | |
1050 | spin_lock_init(&card->thread_mask_lock); | |
1051 | card->thread_start_mask = 0; | |
1052 | card->thread_allowed_mask = 0; | |
1053 | card->thread_running_mask = 0; | |
1054 | INIT_WORK(&card->kernel_thread_starter, | |
1055 | (void *)qeth_start_kernel_thread,card); | |
1056 | INIT_LIST_HEAD(&card->ip_list); | |
1057 | card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_KERNEL); | |
1058 | if (!card->ip_tbd_list) { | |
1059 | QETH_DBF_TEXT(setup, 0, "iptbdnom"); | |
1060 | return -ENOMEM; | |
1061 | } | |
1062 | INIT_LIST_HEAD(card->ip_tbd_list); | |
1063 | INIT_LIST_HEAD(&card->cmd_waiter_list); | |
1064 | init_waitqueue_head(&card->wait_q); | |
1065 | /* intial options */ | |
1066 | qeth_set_intial_options(card); | |
1067 | /* IP address takeover */ | |
1068 | INIT_LIST_HEAD(&card->ipato.entries); | |
1069 | card->ipato.enabled = 0; | |
1070 | card->ipato.invert4 = 0; | |
1071 | card->ipato.invert6 = 0; | |
1072 | /* init QDIO stuff */ | |
1073 | qeth_init_qdio_info(card); | |
1074 | return 0; | |
1075 | } | |
1076 | ||
1077 | static int | |
1078 | is_1920_device (struct qeth_card *card) | |
1079 | { | |
1080 | int single_queue = 0; | |
1081 | struct ccw_device *ccwdev; | |
1082 | struct channelPath_dsc { | |
1083 | u8 flags; | |
1084 | u8 lsn; | |
1085 | u8 desc; | |
1086 | u8 chpid; | |
1087 | u8 swla; | |
1088 | u8 zeroes; | |
1089 | u8 chla; | |
1090 | u8 chpp; | |
1091 | } *chp_dsc; | |
1092 | ||
1093 | QETH_DBF_TEXT(setup, 2, "chk_1920"); | |
1094 | ||
1095 | ccwdev = card->data.ccwdev; | |
1096 | chp_dsc = (struct channelPath_dsc *)ccw_device_get_chp_desc(ccwdev, 0); | |
1097 | if (chp_dsc != NULL) { | |
1098 | /* CHPP field bit 6 == 1 -> single queue */ | |
1099 | single_queue = ((chp_dsc->chpp & 0x02) == 0x02); | |
1100 | kfree(chp_dsc); | |
1101 | } | |
1102 | QETH_DBF_TEXT_(setup, 2, "rc:%x", single_queue); | |
1103 | return single_queue; | |
1104 | } | |
1105 | ||
1106 | static int | |
1107 | qeth_determine_card_type(struct qeth_card *card) | |
1108 | { | |
1109 | int i = 0; | |
1110 | ||
1111 | QETH_DBF_TEXT(setup, 2, "detcdtyp"); | |
1112 | ||
1113 | while (known_devices[i][4]) { | |
1114 | if ((CARD_RDEV(card)->id.dev_type == known_devices[i][2]) && | |
1115 | (CARD_RDEV(card)->id.dev_model == known_devices[i][3])) { | |
1116 | card->info.type = known_devices[i][4]; | |
1117 | if (is_1920_device(card)) { | |
1118 | PRINT_INFO("Priority Queueing not able " | |
1119 | "due to hardware limitations!\n"); | |
1120 | card->qdio.no_out_queues = 1; | |
1121 | card->qdio.default_out_queue = 0; | |
1122 | } else { | |
1123 | card->qdio.no_out_queues = known_devices[i][8]; | |
1124 | } | |
1125 | card->info.is_multicast_different = known_devices[i][9]; | |
1126 | return 0; | |
1127 | } | |
1128 | i++; | |
1129 | } | |
1130 | card->info.type = QETH_CARD_TYPE_UNKNOWN; | |
1131 | PRINT_ERR("unknown card type on device %s\n", CARD_BUS_ID(card)); | |
1132 | return -ENOENT; | |
1133 | } | |
1134 | ||
1135 | static int | |
1136 | qeth_probe_device(struct ccwgroup_device *gdev) | |
1137 | { | |
1138 | struct qeth_card *card; | |
1139 | struct device *dev; | |
1140 | unsigned long flags; | |
1141 | int rc; | |
1142 | ||
1143 | QETH_DBF_TEXT(setup, 2, "probedev"); | |
1144 | ||
1145 | dev = &gdev->dev; | |
1146 | if (!get_device(dev)) | |
1147 | return -ENODEV; | |
1148 | ||
1149 | card = qeth_alloc_card(); | |
1150 | if (!card) { | |
1151 | put_device(dev); | |
1152 | QETH_DBF_TEXT_(setup, 2, "1err%d", -ENOMEM); | |
1153 | return -ENOMEM; | |
1154 | } | |
1155 | card->read.ccwdev = gdev->cdev[0]; | |
1156 | card->write.ccwdev = gdev->cdev[1]; | |
1157 | card->data.ccwdev = gdev->cdev[2]; | |
1158 | ||
1159 | if ((rc = qeth_setup_card(card))){ | |
1160 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
1161 | put_device(dev); | |
1162 | qeth_free_card(card); | |
1163 | return rc; | |
1164 | } | |
1165 | gdev->dev.driver_data = card; | |
1166 | card->gdev = gdev; | |
1167 | gdev->cdev[0]->handler = qeth_irq; | |
1168 | gdev->cdev[1]->handler = qeth_irq; | |
1169 | gdev->cdev[2]->handler = qeth_irq; | |
1170 | ||
1171 | rc = qeth_create_device_attributes(dev); | |
1172 | if (rc) { | |
1173 | put_device(dev); | |
1174 | qeth_free_card(card); | |
1175 | return rc; | |
1176 | } | |
1177 | if ((rc = qeth_determine_card_type(card))){ | |
1178 | PRINT_WARN("%s: not a valid card type\n", __func__); | |
1179 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
1180 | put_device(dev); | |
1181 | qeth_free_card(card); | |
1182 | return rc; | |
1183 | } | |
1184 | /* insert into our internal list */ | |
1185 | write_lock_irqsave(&qeth_card_list.rwlock, flags); | |
1186 | list_add_tail(&card->list, &qeth_card_list.list); | |
1187 | write_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
1188 | return rc; | |
1189 | } | |
1190 | ||
1191 | ||
1192 | static int | |
1193 | qeth_get_unitaddr(struct qeth_card *card) | |
1194 | { | |
1195 | int length; | |
1196 | char *prcd; | |
1197 | int rc; | |
1198 | ||
1199 | QETH_DBF_TEXT(setup, 2, "getunit"); | |
1200 | rc = read_conf_data(CARD_DDEV(card), (void **) &prcd, &length); | |
1201 | if (rc) { | |
1202 | PRINT_ERR("read_conf_data for device %s returned %i\n", | |
1203 | CARD_DDEV_ID(card), rc); | |
1204 | return rc; | |
1205 | } | |
1206 | card->info.chpid = prcd[30]; | |
1207 | card->info.unit_addr2 = prcd[31]; | |
1208 | card->info.cula = prcd[63]; | |
1209 | card->info.guestlan = ((prcd[0x10] == _ascebc['V']) && | |
1210 | (prcd[0x11] == _ascebc['M'])); | |
1211 | return 0; | |
1212 | } | |
1213 | ||
1214 | static void | |
1215 | qeth_init_tokens(struct qeth_card *card) | |
1216 | { | |
1217 | card->token.issuer_rm_w = 0x00010103UL; | |
1218 | card->token.cm_filter_w = 0x00010108UL; | |
1219 | card->token.cm_connection_w = 0x0001010aUL; | |
1220 | card->token.ulp_filter_w = 0x0001010bUL; | |
1221 | card->token.ulp_connection_w = 0x0001010dUL; | |
1222 | } | |
1223 | ||
1224 | static inline __u16 | |
1225 | raw_devno_from_bus_id(char *id) | |
1226 | { | |
1227 | id += (strlen(id) - 4); | |
1228 | return (__u16) simple_strtoul(id, &id, 16); | |
1229 | } | |
1230 | /** | |
1231 | * setup channel | |
1232 | */ | |
1233 | static void | |
1234 | qeth_setup_ccw(struct qeth_channel *channel,unsigned char *iob, __u32 len) | |
1235 | { | |
1236 | struct qeth_card *card; | |
1237 | ||
1238 | QETH_DBF_TEXT(trace, 4, "setupccw"); | |
1239 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1240 | if (channel == &card->read) | |
1241 | memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); | |
1242 | else | |
1243 | memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); | |
1244 | channel->ccw.count = len; | |
1245 | channel->ccw.cda = (__u32) __pa(iob); | |
1246 | } | |
1247 | ||
1248 | /** | |
1249 | * get free buffer for ccws (IDX activation, lancmds,ipassists...) | |
1250 | */ | |
1251 | static struct qeth_cmd_buffer * | |
1252 | __qeth_get_buffer(struct qeth_channel *channel) | |
1253 | { | |
1254 | __u8 index; | |
1255 | ||
1256 | QETH_DBF_TEXT(trace, 6, "getbuff"); | |
1257 | index = channel->io_buf_no; | |
1258 | do { | |
1259 | if (channel->iob[index].state == BUF_STATE_FREE) { | |
1260 | channel->iob[index].state = BUF_STATE_LOCKED; | |
1261 | channel->io_buf_no = (channel->io_buf_no + 1) % | |
1262 | QETH_CMD_BUFFER_NO; | |
1263 | memset(channel->iob[index].data, 0, QETH_BUFSIZE); | |
1264 | return channel->iob + index; | |
1265 | } | |
1266 | index = (index + 1) % QETH_CMD_BUFFER_NO; | |
1267 | } while(index != channel->io_buf_no); | |
1268 | ||
1269 | return NULL; | |
1270 | } | |
1271 | ||
1272 | /** | |
1273 | * release command buffer | |
1274 | */ | |
1275 | static void | |
1276 | qeth_release_buffer(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) | |
1277 | { | |
1278 | unsigned long flags; | |
1279 | ||
1280 | QETH_DBF_TEXT(trace, 6, "relbuff"); | |
1281 | spin_lock_irqsave(&channel->iob_lock, flags); | |
1282 | memset(iob->data, 0, QETH_BUFSIZE); | |
1283 | iob->state = BUF_STATE_FREE; | |
1284 | iob->callback = qeth_send_control_data_cb; | |
1285 | iob->rc = 0; | |
1286 | spin_unlock_irqrestore(&channel->iob_lock, flags); | |
1287 | } | |
1288 | ||
1289 | static struct qeth_cmd_buffer * | |
1290 | qeth_get_buffer(struct qeth_channel *channel) | |
1291 | { | |
1292 | struct qeth_cmd_buffer *buffer = NULL; | |
1293 | unsigned long flags; | |
1294 | ||
1295 | spin_lock_irqsave(&channel->iob_lock, flags); | |
1296 | buffer = __qeth_get_buffer(channel); | |
1297 | spin_unlock_irqrestore(&channel->iob_lock, flags); | |
1298 | return buffer; | |
1299 | } | |
1300 | ||
1301 | static struct qeth_cmd_buffer * | |
1302 | qeth_wait_for_buffer(struct qeth_channel *channel) | |
1303 | { | |
1304 | struct qeth_cmd_buffer *buffer; | |
1305 | wait_event(channel->wait_q, | |
1306 | ((buffer = qeth_get_buffer(channel)) != NULL)); | |
1307 | return buffer; | |
1308 | } | |
1309 | ||
1310 | static void | |
1311 | qeth_clear_cmd_buffers(struct qeth_channel *channel) | |
1312 | { | |
1313 | int cnt = 0; | |
1314 | ||
1315 | for (cnt=0; cnt < QETH_CMD_BUFFER_NO; cnt++) | |
1316 | qeth_release_buffer(channel,&channel->iob[cnt]); | |
1317 | channel->buf_no = 0; | |
1318 | channel->io_buf_no = 0; | |
1319 | } | |
1320 | ||
1321 | /** | |
1322 | * start IDX for read and write channel | |
1323 | */ | |
1324 | static int | |
1325 | qeth_idx_activate_get_answer(struct qeth_channel *channel, | |
1326 | void (*idx_reply_cb)(struct qeth_channel *, | |
1327 | struct qeth_cmd_buffer *)) | |
1328 | { | |
1329 | struct qeth_cmd_buffer *iob; | |
1330 | unsigned long flags; | |
1331 | int rc; | |
1332 | struct qeth_card *card; | |
1333 | ||
1334 | QETH_DBF_TEXT(setup, 2, "idxanswr"); | |
1335 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1336 | iob = qeth_get_buffer(channel); | |
1337 | iob->callback = idx_reply_cb; | |
1338 | memcpy(&channel->ccw, READ_CCW, sizeof(struct ccw1)); | |
1339 | channel->ccw.count = QETH_BUFSIZE; | |
1340 | channel->ccw.cda = (__u32) __pa(iob->data); | |
1341 | ||
1342 | wait_event(card->wait_q, | |
1343 | atomic_compare_and_swap(0,1,&channel->irq_pending) == 0); | |
1344 | QETH_DBF_TEXT(setup, 6, "noirqpnd"); | |
1345 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
1346 | rc = ccw_device_start(channel->ccwdev, | |
1347 | &channel->ccw,(addr_t) iob, 0, 0); | |
1348 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1349 | ||
1350 | if (rc) { | |
1351 | PRINT_ERR("qeth: Error2 in activating channel rc=%d\n",rc); | |
1352 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
1353 | atomic_set(&channel->irq_pending, 0); | |
1354 | wake_up(&card->wait_q); | |
1355 | return rc; | |
1356 | } | |
1357 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1358 | channel->state == CH_STATE_UP, QETH_TIMEOUT); | |
1359 | if (rc == -ERESTARTSYS) | |
1360 | return rc; | |
1361 | if (channel->state != CH_STATE_UP){ | |
1362 | rc = -ETIME; | |
1363 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
1364 | qeth_clear_cmd_buffers(channel); | |
1365 | } else | |
1366 | rc = 0; | |
1367 | return rc; | |
1368 | } | |
1369 | ||
1370 | static int | |
1371 | qeth_idx_activate_channel(struct qeth_channel *channel, | |
1372 | void (*idx_reply_cb)(struct qeth_channel *, | |
1373 | struct qeth_cmd_buffer *)) | |
1374 | { | |
1375 | struct qeth_card *card; | |
1376 | struct qeth_cmd_buffer *iob; | |
1377 | unsigned long flags; | |
1378 | __u16 temp; | |
1379 | int rc; | |
1380 | ||
1381 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1382 | ||
1383 | QETH_DBF_TEXT(setup, 2, "idxactch"); | |
1384 | ||
1385 | iob = qeth_get_buffer(channel); | |
1386 | iob->callback = idx_reply_cb; | |
1387 | memcpy(&channel->ccw, WRITE_CCW, sizeof(struct ccw1)); | |
1388 | channel->ccw.count = IDX_ACTIVATE_SIZE; | |
1389 | channel->ccw.cda = (__u32) __pa(iob->data); | |
1390 | if (channel == &card->write) { | |
1391 | memcpy(iob->data, IDX_ACTIVATE_WRITE, IDX_ACTIVATE_SIZE); | |
1392 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1393 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1394 | card->seqno.trans_hdr++; | |
1395 | } else { | |
1396 | memcpy(iob->data, IDX_ACTIVATE_READ, IDX_ACTIVATE_SIZE); | |
1397 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1398 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1399 | } | |
1400 | memcpy(QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), | |
1401 | &card->token.issuer_rm_w,QETH_MPC_TOKEN_LENGTH); | |
1402 | memcpy(QETH_IDX_ACT_FUNC_LEVEL(iob->data), | |
1403 | &card->info.func_level,sizeof(__u16)); | |
1404 | temp = raw_devno_from_bus_id(CARD_DDEV_ID(card)); | |
1405 | memcpy(QETH_IDX_ACT_QDIO_DEV_CUA(iob->data), &temp, 2); | |
1406 | temp = (card->info.cula << 8) + card->info.unit_addr2; | |
1407 | memcpy(QETH_IDX_ACT_QDIO_DEV_REALADDR(iob->data), &temp, 2); | |
1408 | ||
1409 | wait_event(card->wait_q, | |
1410 | atomic_compare_and_swap(0,1,&channel->irq_pending) == 0); | |
1411 | QETH_DBF_TEXT(setup, 6, "noirqpnd"); | |
1412 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
1413 | rc = ccw_device_start(channel->ccwdev, | |
1414 | &channel->ccw,(addr_t) iob, 0, 0); | |
1415 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
1416 | ||
1417 | if (rc) { | |
1418 | PRINT_ERR("qeth: Error1 in activating channel. rc=%d\n",rc); | |
1419 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
1420 | atomic_set(&channel->irq_pending, 0); | |
1421 | wake_up(&card->wait_q); | |
1422 | return rc; | |
1423 | } | |
1424 | rc = wait_event_interruptible_timeout(card->wait_q, | |
1425 | channel->state == CH_STATE_ACTIVATING, QETH_TIMEOUT); | |
1426 | if (rc == -ERESTARTSYS) | |
1427 | return rc; | |
1428 | if (channel->state != CH_STATE_ACTIVATING) { | |
1429 | PRINT_WARN("qeth: IDX activate timed out!\n"); | |
1430 | QETH_DBF_TEXT_(setup, 2, "2err%d", -ETIME); | |
1431 | qeth_clear_cmd_buffers(channel); | |
1432 | return -ETIME; | |
1433 | } | |
1434 | return qeth_idx_activate_get_answer(channel,idx_reply_cb); | |
1435 | } | |
1436 | ||
1437 | static int | |
1438 | qeth_peer_func_level(int level) | |
1439 | { | |
1440 | if ((level & 0xff) == 8) | |
1441 | return (level & 0xff) + 0x400; | |
1442 | if (((level >> 8) & 3) == 1) | |
1443 | return (level & 0xff) + 0x200; | |
1444 | return level; | |
1445 | } | |
1446 | ||
1447 | static void | |
1448 | qeth_idx_write_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) | |
1449 | { | |
1450 | struct qeth_card *card; | |
1451 | __u16 temp; | |
1452 | ||
1453 | QETH_DBF_TEXT(setup ,2, "idxwrcb"); | |
1454 | ||
1455 | if (channel->state == CH_STATE_DOWN) { | |
1456 | channel->state = CH_STATE_ACTIVATING; | |
1457 | goto out; | |
1458 | } | |
1459 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1460 | ||
1461 | if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { | |
1462 | PRINT_ERR("IDX_ACTIVATE on write channel device %s: negative " | |
1463 | "reply\n", CARD_WDEV_ID(card)); | |
1464 | goto out; | |
1465 | } | |
1466 | memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); | |
1467 | if ((temp & ~0x0100) != qeth_peer_func_level(card->info.func_level)) { | |
1468 | PRINT_WARN("IDX_ACTIVATE on write channel device %s: " | |
1469 | "function level mismatch " | |
1470 | "(sent: 0x%x, received: 0x%x)\n", | |
1471 | CARD_WDEV_ID(card), card->info.func_level, temp); | |
1472 | goto out; | |
1473 | } | |
1474 | channel->state = CH_STATE_UP; | |
1475 | out: | |
1476 | qeth_release_buffer(channel, iob); | |
1477 | } | |
1478 | ||
1479 | static int | |
1480 | qeth_check_idx_response(unsigned char *buffer) | |
1481 | { | |
1482 | if (!buffer) | |
1483 | return 0; | |
1484 | ||
1485 | QETH_DBF_HEX(control, 2, buffer, QETH_DBF_CONTROL_LEN); | |
1486 | if ((buffer[2] & 0xc0) == 0xc0) { | |
1487 | PRINT_WARN("received an IDX TERMINATE " | |
1488 | "with cause code 0x%02x%s\n", | |
1489 | buffer[4], | |
1490 | ((buffer[4] == 0x22) ? | |
1491 | " -- try another portname" : "")); | |
1492 | QETH_DBF_TEXT(trace, 2, "ckidxres"); | |
1493 | QETH_DBF_TEXT(trace, 2, " idxterm"); | |
1494 | QETH_DBF_TEXT_(trace, 2, " rc%d", -EIO); | |
1495 | return -EIO; | |
1496 | } | |
1497 | return 0; | |
1498 | } | |
1499 | ||
1500 | static void | |
1501 | qeth_idx_read_cb(struct qeth_channel *channel, struct qeth_cmd_buffer *iob) | |
1502 | { | |
1503 | struct qeth_card *card; | |
1504 | __u16 temp; | |
1505 | ||
1506 | QETH_DBF_TEXT(setup , 2, "idxrdcb"); | |
1507 | if (channel->state == CH_STATE_DOWN) { | |
1508 | channel->state = CH_STATE_ACTIVATING; | |
1509 | goto out; | |
1510 | } | |
1511 | ||
1512 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1513 | if (qeth_check_idx_response(iob->data)) { | |
1514 | goto out; | |
1515 | } | |
1516 | if (!(QETH_IS_IDX_ACT_POS_REPLY(iob->data))) { | |
1517 | PRINT_ERR("IDX_ACTIVATE on read channel device %s: negative " | |
1518 | "reply\n", CARD_RDEV_ID(card)); | |
1519 | goto out; | |
1520 | } | |
1521 | ||
1522 | /** | |
1523 | * temporary fix for microcode bug | |
1524 | * to revert it,replace OR by AND | |
1525 | */ | |
1526 | if ( (!QETH_IDX_NO_PORTNAME_REQUIRED(iob->data)) || | |
1527 | (card->info.type == QETH_CARD_TYPE_OSAE) ) | |
1528 | card->info.portname_required = 1; | |
1529 | ||
1530 | memcpy(&temp, QETH_IDX_ACT_FUNC_LEVEL(iob->data), 2); | |
1531 | if (temp != qeth_peer_func_level(card->info.func_level)) { | |
1532 | PRINT_WARN("IDX_ACTIVATE on read channel device %s: function " | |
1533 | "level mismatch (sent: 0x%x, received: 0x%x)\n", | |
1534 | CARD_RDEV_ID(card), card->info.func_level, temp); | |
1535 | goto out; | |
1536 | } | |
1537 | memcpy(&card->token.issuer_rm_r, | |
1538 | QETH_IDX_ACT_ISSUER_RM_TOKEN(iob->data), | |
1539 | QETH_MPC_TOKEN_LENGTH); | |
1540 | memcpy(&card->info.mcl_level[0], | |
1541 | QETH_IDX_REPLY_LEVEL(iob->data), QETH_MCL_LENGTH); | |
1542 | channel->state = CH_STATE_UP; | |
1543 | out: | |
1544 | qeth_release_buffer(channel,iob); | |
1545 | } | |
1546 | ||
1547 | static int | |
1548 | qeth_issue_next_read(struct qeth_card *card) | |
1549 | { | |
1550 | int rc; | |
1551 | struct qeth_cmd_buffer *iob; | |
1552 | ||
1553 | QETH_DBF_TEXT(trace,5,"issnxrd"); | |
1554 | if (card->read.state != CH_STATE_UP) | |
1555 | return -EIO; | |
1556 | iob = qeth_get_buffer(&card->read); | |
1557 | if (!iob) { | |
1558 | PRINT_WARN("issue_next_read failed: no iob available!\n"); | |
1559 | return -ENOMEM; | |
1560 | } | |
1561 | qeth_setup_ccw(&card->read, iob->data, QETH_BUFSIZE); | |
1562 | wait_event(card->wait_q, | |
1563 | atomic_compare_and_swap(0,1,&card->read.irq_pending) == 0); | |
1564 | QETH_DBF_TEXT(trace, 6, "noirqpnd"); | |
1565 | rc = ccw_device_start(card->read.ccwdev, &card->read.ccw, | |
1566 | (addr_t) iob, 0, 0); | |
1567 | if (rc) { | |
1568 | PRINT_ERR("Error in starting next read ccw! rc=%i\n", rc); | |
1569 | atomic_set(&card->read.irq_pending, 0); | |
1570 | qeth_schedule_recovery(card); | |
1571 | wake_up(&card->wait_q); | |
1572 | } | |
1573 | return rc; | |
1574 | } | |
1575 | ||
1576 | static struct qeth_reply * | |
1577 | qeth_alloc_reply(struct qeth_card *card) | |
1578 | { | |
1579 | struct qeth_reply *reply; | |
1580 | ||
1581 | reply = kmalloc(sizeof(struct qeth_reply), GFP_ATOMIC); | |
1582 | if (reply){ | |
1583 | memset(reply, 0, sizeof(struct qeth_reply)); | |
1584 | atomic_set(&reply->refcnt, 1); | |
1585 | reply->card = card; | |
1586 | }; | |
1587 | return reply; | |
1588 | } | |
1589 | ||
1590 | static void | |
1591 | qeth_get_reply(struct qeth_reply *reply) | |
1592 | { | |
1593 | WARN_ON(atomic_read(&reply->refcnt) <= 0); | |
1594 | atomic_inc(&reply->refcnt); | |
1595 | } | |
1596 | ||
1597 | static void | |
1598 | qeth_put_reply(struct qeth_reply *reply) | |
1599 | { | |
1600 | WARN_ON(atomic_read(&reply->refcnt) <= 0); | |
1601 | if (atomic_dec_and_test(&reply->refcnt)) | |
1602 | kfree(reply); | |
1603 | } | |
1604 | ||
1605 | static void | |
1606 | qeth_cmd_timeout(unsigned long data) | |
1607 | { | |
1608 | struct qeth_reply *reply, *list_reply, *r; | |
1609 | unsigned long flags; | |
1610 | ||
1611 | reply = (struct qeth_reply *) data; | |
1612 | spin_lock_irqsave(&reply->card->lock, flags); | |
1613 | list_for_each_entry_safe(list_reply, r, | |
1614 | &reply->card->cmd_waiter_list, list) { | |
1615 | if (reply == list_reply){ | |
1616 | qeth_get_reply(reply); | |
1617 | list_del_init(&reply->list); | |
1618 | spin_unlock_irqrestore(&reply->card->lock, flags); | |
1619 | reply->rc = -ETIME; | |
1620 | reply->received = 1; | |
1621 | wake_up(&reply->wait_q); | |
1622 | qeth_put_reply(reply); | |
1623 | return; | |
1624 | } | |
1625 | } | |
1626 | spin_unlock_irqrestore(&reply->card->lock, flags); | |
1627 | } | |
1628 | ||
1629 | static void | |
1630 | qeth_reset_ip_addresses(struct qeth_card *card) | |
1631 | { | |
1632 | QETH_DBF_TEXT(trace, 2, "rstipadd"); | |
1633 | ||
1634 | qeth_clear_ip_list(card, 0, 1); | |
1635 | /* this function will also schedule the SET_IP_THREAD */ | |
1636 | qeth_set_multicast_list(card->dev); | |
1637 | } | |
1638 | ||
1639 | static struct qeth_ipa_cmd * | |
1640 | qeth_check_ipa_data(struct qeth_card *card, struct qeth_cmd_buffer *iob) | |
1641 | { | |
1642 | struct qeth_ipa_cmd *cmd = NULL; | |
1643 | ||
1644 | QETH_DBF_TEXT(trace,5,"chkipad"); | |
1645 | if (IS_IPA(iob->data)){ | |
1646 | cmd = (struct qeth_ipa_cmd *) PDU_ENCAPSULATION(iob->data); | |
1647 | if (IS_IPA_REPLY(cmd)) | |
1648 | return cmd; | |
1649 | else { | |
1650 | switch (cmd->hdr.command) { | |
1651 | case IPA_CMD_STOPLAN: | |
1652 | PRINT_WARN("Link failure on %s (CHPID 0x%X) - " | |
1653 | "there is a network problem or " | |
1654 | "someone pulled the cable or " | |
1655 | "disabled the port.\n", | |
1656 | QETH_CARD_IFNAME(card), | |
1657 | card->info.chpid); | |
1658 | card->lan_online = 0; | |
1659 | netif_carrier_off(card->dev); | |
1660 | return NULL; | |
1661 | case IPA_CMD_STARTLAN: | |
1662 | PRINT_INFO("Link reestablished on %s " | |
1663 | "(CHPID 0x%X). Scheduling " | |
1664 | "IP address reset.\n", | |
1665 | QETH_CARD_IFNAME(card), | |
1666 | card->info.chpid); | |
1667 | card->lan_online = 1; | |
1668 | netif_carrier_on(card->dev); | |
1669 | qeth_reset_ip_addresses(card); | |
1670 | return NULL; | |
1671 | case IPA_CMD_REGISTER_LOCAL_ADDR: | |
1672 | QETH_DBF_TEXT(trace,3, "irla"); | |
1673 | break; | |
1674 | case IPA_CMD_UNREGISTER_LOCAL_ADDR: | |
1675 | QETH_DBF_TEXT(trace,3, "urla"); | |
1676 | break; | |
1677 | default: | |
1678 | PRINT_WARN("Received data is IPA " | |
1679 | "but not a reply!\n"); | |
1680 | break; | |
1681 | } | |
1682 | } | |
1683 | } | |
1684 | return cmd; | |
1685 | } | |
1686 | ||
1687 | /** | |
1688 | * wake all waiting ipa commands | |
1689 | */ | |
1690 | static void | |
1691 | qeth_clear_ipacmd_list(struct qeth_card *card) | |
1692 | { | |
1693 | struct qeth_reply *reply, *r; | |
1694 | unsigned long flags; | |
1695 | ||
1696 | QETH_DBF_TEXT(trace, 4, "clipalst"); | |
1697 | ||
1698 | spin_lock_irqsave(&card->lock, flags); | |
1699 | list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { | |
1700 | qeth_get_reply(reply); | |
1701 | reply->rc = -EIO; | |
1702 | reply->received = 1; | |
1703 | list_del_init(&reply->list); | |
1704 | wake_up(&reply->wait_q); | |
1705 | qeth_put_reply(reply); | |
1706 | } | |
1707 | spin_unlock_irqrestore(&card->lock, flags); | |
1708 | } | |
1709 | ||
1710 | static void | |
1711 | qeth_send_control_data_cb(struct qeth_channel *channel, | |
1712 | struct qeth_cmd_buffer *iob) | |
1713 | { | |
1714 | struct qeth_card *card; | |
1715 | struct qeth_reply *reply, *r; | |
1716 | struct qeth_ipa_cmd *cmd; | |
1717 | unsigned long flags; | |
1718 | int keep_reply; | |
1719 | ||
1720 | QETH_DBF_TEXT(trace,4,"sndctlcb"); | |
1721 | ||
1722 | card = CARD_FROM_CDEV(channel->ccwdev); | |
1723 | if (qeth_check_idx_response(iob->data)) { | |
1724 | qeth_clear_ipacmd_list(card); | |
1725 | qeth_schedule_recovery(card); | |
1726 | goto out; | |
1727 | } | |
1728 | ||
1729 | cmd = qeth_check_ipa_data(card, iob); | |
1730 | if ((cmd == NULL) && (card->state != CARD_STATE_DOWN)) | |
1731 | goto out; | |
1732 | ||
1733 | spin_lock_irqsave(&card->lock, flags); | |
1734 | list_for_each_entry_safe(reply, r, &card->cmd_waiter_list, list) { | |
1735 | if ((reply->seqno == QETH_IDX_COMMAND_SEQNO) || | |
1736 | ((cmd) && (reply->seqno == cmd->hdr.seqno))) { | |
1737 | qeth_get_reply(reply); | |
1738 | list_del_init(&reply->list); | |
1739 | spin_unlock_irqrestore(&card->lock, flags); | |
1740 | keep_reply = 0; | |
1741 | if (reply->callback != NULL) { | |
1742 | if (cmd) { | |
1743 | reply->offset = (__u16)((char*)cmd - | |
1744 | (char *)iob->data); | |
1745 | keep_reply = reply->callback(card, | |
1746 | reply, | |
1747 | (unsigned long)cmd); | |
1748 | } | |
1749 | else | |
1750 | keep_reply = reply->callback(card, | |
1751 | reply, | |
1752 | (unsigned long)iob); | |
1753 | } | |
1754 | if (cmd) | |
1755 | reply->rc = (u16) cmd->hdr.return_code; | |
1756 | else if (iob->rc) | |
1757 | reply->rc = iob->rc; | |
1758 | if (keep_reply) { | |
1759 | spin_lock_irqsave(&card->lock, flags); | |
1760 | list_add_tail(&reply->list, | |
1761 | &card->cmd_waiter_list); | |
1762 | spin_unlock_irqrestore(&card->lock, flags); | |
1763 | } else { | |
1764 | reply->received = 1; | |
1765 | wake_up(&reply->wait_q); | |
1766 | } | |
1767 | qeth_put_reply(reply); | |
1768 | goto out; | |
1769 | } | |
1770 | } | |
1771 | spin_unlock_irqrestore(&card->lock, flags); | |
1772 | out: | |
1773 | memcpy(&card->seqno.pdu_hdr_ack, | |
1774 | QETH_PDU_HEADER_SEQ_NO(iob->data), | |
1775 | QETH_SEQ_NO_LENGTH); | |
1776 | qeth_release_buffer(channel,iob); | |
1777 | } | |
1778 | ||
1779 | static int | |
1780 | qeth_send_control_data(struct qeth_card *card, int len, | |
1781 | struct qeth_cmd_buffer *iob, | |
1782 | int (*reply_cb) | |
1783 | (struct qeth_card *, struct qeth_reply*, unsigned long), | |
1784 | void *reply_param) | |
1785 | ||
1786 | { | |
1787 | int rc; | |
1788 | unsigned long flags; | |
1789 | struct qeth_reply *reply; | |
1790 | struct timer_list timer; | |
1791 | ||
1792 | QETH_DBF_TEXT(trace, 2, "sendctl"); | |
1793 | ||
1794 | qeth_setup_ccw(&card->write,iob->data,len); | |
1795 | ||
1796 | memcpy(QETH_TRANSPORT_HEADER_SEQ_NO(iob->data), | |
1797 | &card->seqno.trans_hdr, QETH_SEQ_NO_LENGTH); | |
1798 | card->seqno.trans_hdr++; | |
1799 | ||
1800 | memcpy(QETH_PDU_HEADER_SEQ_NO(iob->data), | |
1801 | &card->seqno.pdu_hdr, QETH_SEQ_NO_LENGTH); | |
1802 | card->seqno.pdu_hdr++; | |
1803 | memcpy(QETH_PDU_HEADER_ACK_SEQ_NO(iob->data), | |
1804 | &card->seqno.pdu_hdr_ack, QETH_SEQ_NO_LENGTH); | |
1805 | iob->callback = qeth_release_buffer; | |
1806 | ||
1807 | reply = qeth_alloc_reply(card); | |
1808 | if (!reply) { | |
1809 | PRINT_WARN("Could no alloc qeth_reply!\n"); | |
1810 | return -ENOMEM; | |
1811 | } | |
1812 | reply->callback = reply_cb; | |
1813 | reply->param = reply_param; | |
1814 | if (card->state == CARD_STATE_DOWN) | |
1815 | reply->seqno = QETH_IDX_COMMAND_SEQNO; | |
1816 | else | |
1817 | reply->seqno = card->seqno.ipa++; | |
1818 | init_timer(&timer); | |
1819 | timer.function = qeth_cmd_timeout; | |
1820 | timer.data = (unsigned long) reply; | |
1821 | if (IS_IPA(iob->data)) | |
1822 | timer.expires = jiffies + QETH_IPA_TIMEOUT; | |
1823 | else | |
1824 | timer.expires = jiffies + QETH_TIMEOUT; | |
1825 | init_waitqueue_head(&reply->wait_q); | |
1826 | spin_lock_irqsave(&card->lock, flags); | |
1827 | list_add_tail(&reply->list, &card->cmd_waiter_list); | |
1828 | spin_unlock_irqrestore(&card->lock, flags); | |
1829 | QETH_DBF_HEX(control, 2, iob->data, QETH_DBF_CONTROL_LEN); | |
1830 | wait_event(card->wait_q, | |
1831 | atomic_compare_and_swap(0,1,&card->write.irq_pending) == 0); | |
1832 | QETH_DBF_TEXT(trace, 6, "noirqpnd"); | |
1833 | spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); | |
1834 | rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, | |
1835 | (addr_t) iob, 0, 0); | |
1836 | spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); | |
1837 | if (rc){ | |
1838 | PRINT_WARN("qeth_send_control_data: " | |
1839 | "ccw_device_start rc = %i\n", rc); | |
1840 | QETH_DBF_TEXT_(trace, 2, " err%d", rc); | |
1841 | spin_lock_irqsave(&card->lock, flags); | |
1842 | list_del_init(&reply->list); | |
1843 | qeth_put_reply(reply); | |
1844 | spin_unlock_irqrestore(&card->lock, flags); | |
1845 | qeth_release_buffer(iob->channel, iob); | |
1846 | atomic_set(&card->write.irq_pending, 0); | |
1847 | wake_up(&card->wait_q); | |
1848 | return rc; | |
1849 | } | |
1850 | add_timer(&timer); | |
1851 | wait_event(reply->wait_q, reply->received); | |
1852 | del_timer_sync(&timer); | |
1853 | rc = reply->rc; | |
1854 | qeth_put_reply(reply); | |
1855 | return rc; | |
1856 | } | |
1857 | ||
1858 | static int | |
1859 | qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
1860 | int (*reply_cb) | |
1861 | (struct qeth_card *,struct qeth_reply*, unsigned long), | |
1862 | void *reply_param) | |
1863 | { | |
1864 | int rc; | |
1865 | char prot_type; | |
1866 | ||
1867 | QETH_DBF_TEXT(trace,4,"sendipa"); | |
1868 | ||
1869 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
1870 | ||
1871 | if (card->options.layer2) | |
1872 | prot_type = QETH_PROT_LAYER2; | |
1873 | else | |
1874 | prot_type = QETH_PROT_TCPIP; | |
1875 | ||
1876 | memcpy(QETH_IPA_CMD_PROT_TYPE(iob->data),&prot_type,1); | |
1877 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
1878 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
1879 | ||
1880 | rc = qeth_send_control_data(card, IPA_CMD_LENGTH, iob, | |
1881 | reply_cb, reply_param); | |
1882 | return rc; | |
1883 | } | |
1884 | ||
1885 | ||
1886 | static int | |
1887 | qeth_cm_enable_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1888 | unsigned long data) | |
1889 | { | |
1890 | struct qeth_cmd_buffer *iob; | |
1891 | ||
1892 | QETH_DBF_TEXT(setup, 2, "cmenblcb"); | |
1893 | ||
1894 | iob = (struct qeth_cmd_buffer *) data; | |
1895 | memcpy(&card->token.cm_filter_r, | |
1896 | QETH_CM_ENABLE_RESP_FILTER_TOKEN(iob->data), | |
1897 | QETH_MPC_TOKEN_LENGTH); | |
1898 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
1899 | return 0; | |
1900 | } | |
1901 | ||
1902 | static int | |
1903 | qeth_cm_enable(struct qeth_card *card) | |
1904 | { | |
1905 | int rc; | |
1906 | struct qeth_cmd_buffer *iob; | |
1907 | ||
1908 | QETH_DBF_TEXT(setup,2,"cmenable"); | |
1909 | ||
1910 | iob = qeth_wait_for_buffer(&card->write); | |
1911 | memcpy(iob->data, CM_ENABLE, CM_ENABLE_SIZE); | |
1912 | memcpy(QETH_CM_ENABLE_ISSUER_RM_TOKEN(iob->data), | |
1913 | &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); | |
1914 | memcpy(QETH_CM_ENABLE_FILTER_TOKEN(iob->data), | |
1915 | &card->token.cm_filter_w, QETH_MPC_TOKEN_LENGTH); | |
1916 | ||
1917 | rc = qeth_send_control_data(card, CM_ENABLE_SIZE, iob, | |
1918 | qeth_cm_enable_cb, NULL); | |
1919 | return rc; | |
1920 | } | |
1921 | ||
1922 | static int | |
1923 | qeth_cm_setup_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1924 | unsigned long data) | |
1925 | { | |
1926 | ||
1927 | struct qeth_cmd_buffer *iob; | |
1928 | ||
1929 | QETH_DBF_TEXT(setup, 2, "cmsetpcb"); | |
1930 | ||
1931 | iob = (struct qeth_cmd_buffer *) data; | |
1932 | memcpy(&card->token.cm_connection_r, | |
1933 | QETH_CM_SETUP_RESP_DEST_ADDR(iob->data), | |
1934 | QETH_MPC_TOKEN_LENGTH); | |
1935 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
1936 | return 0; | |
1937 | } | |
1938 | ||
1939 | static int | |
1940 | qeth_cm_setup(struct qeth_card *card) | |
1941 | { | |
1942 | int rc; | |
1943 | struct qeth_cmd_buffer *iob; | |
1944 | ||
1945 | QETH_DBF_TEXT(setup,2,"cmsetup"); | |
1946 | ||
1947 | iob = qeth_wait_for_buffer(&card->write); | |
1948 | memcpy(iob->data, CM_SETUP, CM_SETUP_SIZE); | |
1949 | memcpy(QETH_CM_SETUP_DEST_ADDR(iob->data), | |
1950 | &card->token.issuer_rm_r, QETH_MPC_TOKEN_LENGTH); | |
1951 | memcpy(QETH_CM_SETUP_CONNECTION_TOKEN(iob->data), | |
1952 | &card->token.cm_connection_w, QETH_MPC_TOKEN_LENGTH); | |
1953 | memcpy(QETH_CM_SETUP_FILTER_TOKEN(iob->data), | |
1954 | &card->token.cm_filter_r, QETH_MPC_TOKEN_LENGTH); | |
1955 | rc = qeth_send_control_data(card, CM_SETUP_SIZE, iob, | |
1956 | qeth_cm_setup_cb, NULL); | |
1957 | return rc; | |
1958 | ||
1959 | } | |
1960 | ||
1961 | static int | |
1962 | qeth_ulp_enable_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1963 | unsigned long data) | |
1964 | { | |
1965 | ||
1966 | __u16 mtu, framesize; | |
1967 | __u16 len; | |
1968 | __u8 link_type; | |
1969 | struct qeth_cmd_buffer *iob; | |
1970 | ||
1971 | QETH_DBF_TEXT(setup, 2, "ulpenacb"); | |
1972 | ||
1973 | iob = (struct qeth_cmd_buffer *) data; | |
1974 | memcpy(&card->token.ulp_filter_r, | |
1975 | QETH_ULP_ENABLE_RESP_FILTER_TOKEN(iob->data), | |
1976 | QETH_MPC_TOKEN_LENGTH); | |
1977 | if (qeth_get_mtu_out_of_mpc(card->info.type)) { | |
1978 | memcpy(&framesize, QETH_ULP_ENABLE_RESP_MAX_MTU(iob->data), 2); | |
1979 | mtu = qeth_get_mtu_outof_framesize(framesize); | |
1980 | if (!mtu) { | |
1981 | iob->rc = -EINVAL; | |
1982 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
1983 | return 0; | |
1984 | } | |
1985 | card->info.max_mtu = mtu; | |
1986 | card->info.initial_mtu = mtu; | |
1987 | card->qdio.in_buf_size = mtu + 2 * PAGE_SIZE; | |
1988 | } else { | |
1989 | card->info.initial_mtu = qeth_get_initial_mtu_for_card(card); | |
1990 | card->info.max_mtu = qeth_get_max_mtu_for_card(card->info.type); | |
1991 | card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; | |
1992 | } | |
1993 | ||
1994 | memcpy(&len, QETH_ULP_ENABLE_RESP_DIFINFO_LEN(iob->data), 2); | |
1995 | if (len >= QETH_MPC_DIFINFO_LEN_INDICATES_LINK_TYPE) { | |
1996 | memcpy(&link_type, | |
1997 | QETH_ULP_ENABLE_RESP_LINK_TYPE(iob->data), 1); | |
1998 | card->info.link_type = link_type; | |
1999 | } else | |
2000 | card->info.link_type = 0; | |
2001 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
2002 | return 0; | |
2003 | } | |
2004 | ||
2005 | static int | |
2006 | qeth_ulp_enable(struct qeth_card *card) | |
2007 | { | |
2008 | int rc; | |
2009 | char prot_type; | |
2010 | struct qeth_cmd_buffer *iob; | |
2011 | ||
2012 | /*FIXME: trace view callbacks*/ | |
2013 | QETH_DBF_TEXT(setup,2,"ulpenabl"); | |
2014 | ||
2015 | iob = qeth_wait_for_buffer(&card->write); | |
2016 | memcpy(iob->data, ULP_ENABLE, ULP_ENABLE_SIZE); | |
2017 | ||
2018 | *(QETH_ULP_ENABLE_LINKNUM(iob->data)) = | |
2019 | (__u8) card->info.portno; | |
2020 | if (card->options.layer2) | |
2021 | prot_type = QETH_PROT_LAYER2; | |
2022 | else | |
2023 | prot_type = QETH_PROT_TCPIP; | |
2024 | ||
2025 | memcpy(QETH_ULP_ENABLE_PROT_TYPE(iob->data),&prot_type,1); | |
2026 | memcpy(QETH_ULP_ENABLE_DEST_ADDR(iob->data), | |
2027 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2028 | memcpy(QETH_ULP_ENABLE_FILTER_TOKEN(iob->data), | |
2029 | &card->token.ulp_filter_w, QETH_MPC_TOKEN_LENGTH); | |
2030 | memcpy(QETH_ULP_ENABLE_PORTNAME_AND_LL(iob->data), | |
2031 | card->info.portname, 9); | |
2032 | rc = qeth_send_control_data(card, ULP_ENABLE_SIZE, iob, | |
2033 | qeth_ulp_enable_cb, NULL); | |
2034 | return rc; | |
2035 | ||
2036 | } | |
2037 | ||
2038 | static inline __u16 | |
2039 | __raw_devno_from_bus_id(char *id) | |
2040 | { | |
2041 | id += (strlen(id) - 4); | |
2042 | return (__u16) simple_strtoul(id, &id, 16); | |
2043 | } | |
2044 | ||
2045 | static int | |
2046 | qeth_ulp_setup_cb(struct qeth_card *card, struct qeth_reply *reply, | |
2047 | unsigned long data) | |
2048 | { | |
2049 | struct qeth_cmd_buffer *iob; | |
2050 | ||
2051 | QETH_DBF_TEXT(setup, 2, "ulpstpcb"); | |
2052 | ||
2053 | iob = (struct qeth_cmd_buffer *) data; | |
2054 | memcpy(&card->token.ulp_connection_r, | |
2055 | QETH_ULP_SETUP_RESP_CONNECTION_TOKEN(iob->data), | |
2056 | QETH_MPC_TOKEN_LENGTH); | |
2057 | QETH_DBF_TEXT_(setup, 2, " rc%d", iob->rc); | |
2058 | return 0; | |
2059 | } | |
2060 | ||
2061 | static int | |
2062 | qeth_ulp_setup(struct qeth_card *card) | |
2063 | { | |
2064 | int rc; | |
2065 | __u16 temp; | |
2066 | struct qeth_cmd_buffer *iob; | |
2067 | ||
2068 | QETH_DBF_TEXT(setup,2,"ulpsetup"); | |
2069 | ||
2070 | iob = qeth_wait_for_buffer(&card->write); | |
2071 | memcpy(iob->data, ULP_SETUP, ULP_SETUP_SIZE); | |
2072 | ||
2073 | memcpy(QETH_ULP_SETUP_DEST_ADDR(iob->data), | |
2074 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2075 | memcpy(QETH_ULP_SETUP_CONNECTION_TOKEN(iob->data), | |
2076 | &card->token.ulp_connection_w, QETH_MPC_TOKEN_LENGTH); | |
2077 | memcpy(QETH_ULP_SETUP_FILTER_TOKEN(iob->data), | |
2078 | &card->token.ulp_filter_r, QETH_MPC_TOKEN_LENGTH); | |
2079 | ||
2080 | temp = __raw_devno_from_bus_id(CARD_DDEV_ID(card)); | |
2081 | memcpy(QETH_ULP_SETUP_CUA(iob->data), &temp, 2); | |
2082 | temp = (card->info.cula << 8) + card->info.unit_addr2; | |
2083 | memcpy(QETH_ULP_SETUP_REAL_DEVADDR(iob->data), &temp, 2); | |
2084 | rc = qeth_send_control_data(card, ULP_SETUP_SIZE, iob, | |
2085 | qeth_ulp_setup_cb, NULL); | |
2086 | return rc; | |
2087 | } | |
2088 | ||
2089 | static inline int | |
2090 | qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf, | |
2091 | unsigned int qdio_error, | |
2092 | unsigned int siga_error) | |
2093 | { | |
2094 | int rc = 0; | |
2095 | ||
2096 | if (qdio_error || siga_error) { | |
2097 | QETH_DBF_TEXT(trace, 2, "qdinerr"); | |
2098 | QETH_DBF_TEXT(qerr, 2, "qdinerr"); | |
2099 | QETH_DBF_TEXT_(qerr, 2, " F15=%02X", | |
2100 | buf->buffer->element[15].flags & 0xff); | |
2101 | QETH_DBF_TEXT_(qerr, 2, " F14=%02X", | |
2102 | buf->buffer->element[14].flags & 0xff); | |
2103 | QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error); | |
2104 | QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error); | |
2105 | rc = 1; | |
2106 | } | |
2107 | return rc; | |
2108 | } | |
2109 | ||
2110 | static inline struct sk_buff * | |
2111 | qeth_get_skb(unsigned int length) | |
2112 | { | |
2113 | struct sk_buff* skb; | |
2114 | #ifdef CONFIG_QETH_VLAN | |
2115 | if ((skb = dev_alloc_skb(length + VLAN_HLEN))) | |
2116 | skb_reserve(skb, VLAN_HLEN); | |
2117 | #else | |
2118 | skb = dev_alloc_skb(length); | |
2119 | #endif | |
2120 | return skb; | |
2121 | } | |
2122 | ||
2123 | static inline struct sk_buff * | |
2124 | qeth_get_next_skb(struct qeth_card *card, struct qdio_buffer *buffer, | |
2125 | struct qdio_buffer_element **__element, int *__offset, | |
2126 | struct qeth_hdr **hdr) | |
2127 | { | |
2128 | struct qdio_buffer_element *element = *__element; | |
2129 | int offset = *__offset; | |
2130 | struct sk_buff *skb = NULL; | |
2131 | int skb_len; | |
2132 | void *data_ptr; | |
2133 | int data_len; | |
2134 | ||
2135 | QETH_DBF_TEXT(trace,6,"nextskb"); | |
2136 | /* qeth_hdr must not cross element boundaries */ | |
2137 | if (element->length < offset + sizeof(struct qeth_hdr)){ | |
2138 | if (qeth_is_last_sbale(element)) | |
2139 | return NULL; | |
2140 | element++; | |
2141 | offset = 0; | |
2142 | if (element->length < sizeof(struct qeth_hdr)) | |
2143 | return NULL; | |
2144 | } | |
2145 | *hdr = element->addr + offset; | |
2146 | ||
2147 | offset += sizeof(struct qeth_hdr); | |
2148 | if (card->options.layer2) | |
2149 | skb_len = (*hdr)->hdr.l2.pkt_length; | |
2150 | else | |
2151 | skb_len = (*hdr)->hdr.l3.length; | |
2152 | ||
2153 | if (!skb_len) | |
2154 | return NULL; | |
2155 | if (card->options.fake_ll){ | |
e23dd9cd FP |
2156 | if(card->dev->type == ARPHRD_IEEE802_TR){ |
2157 | if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_TR))) | |
2158 | goto no_mem; | |
2159 | skb_reserve(skb,QETH_FAKE_LL_LEN_TR); | |
2160 | } else { | |
2161 | if (!(skb = qeth_get_skb(skb_len+QETH_FAKE_LL_LEN_ETH))) | |
2162 | goto no_mem; | |
2163 | skb_reserve(skb,QETH_FAKE_LL_LEN_ETH); | |
2164 | } | |
1da177e4 LT |
2165 | } else if (!(skb = qeth_get_skb(skb_len))) |
2166 | goto no_mem; | |
2167 | data_ptr = element->addr + offset; | |
2168 | while (skb_len) { | |
2169 | data_len = min(skb_len, (int)(element->length - offset)); | |
2170 | if (data_len) | |
2171 | memcpy(skb_put(skb, data_len), data_ptr, data_len); | |
2172 | skb_len -= data_len; | |
2173 | if (skb_len){ | |
2174 | if (qeth_is_last_sbale(element)){ | |
2175 | QETH_DBF_TEXT(trace,4,"unexeob"); | |
2176 | QETH_DBF_TEXT_(trace,4,"%s",CARD_BUS_ID(card)); | |
2177 | QETH_DBF_TEXT(qerr,2,"unexeob"); | |
2178 | QETH_DBF_TEXT_(qerr,2,"%s",CARD_BUS_ID(card)); | |
2179 | QETH_DBF_HEX(misc,4,buffer,sizeof(*buffer)); | |
2180 | dev_kfree_skb_any(skb); | |
2181 | card->stats.rx_errors++; | |
2182 | return NULL; | |
2183 | } | |
2184 | element++; | |
2185 | offset = 0; | |
2186 | data_ptr = element->addr; | |
2187 | } else { | |
2188 | offset += data_len; | |
2189 | } | |
2190 | } | |
2191 | *__element = element; | |
2192 | *__offset = offset; | |
2193 | return skb; | |
2194 | no_mem: | |
2195 | if (net_ratelimit()){ | |
2196 | PRINT_WARN("No memory for packet received on %s.\n", | |
2197 | QETH_CARD_IFNAME(card)); | |
2198 | QETH_DBF_TEXT(trace,2,"noskbmem"); | |
2199 | QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card)); | |
2200 | } | |
2201 | card->stats.rx_dropped++; | |
2202 | return NULL; | |
2203 | } | |
2204 | ||
ab611487 | 2205 | static inline __be16 |
1da177e4 LT |
2206 | qeth_type_trans(struct sk_buff *skb, struct net_device *dev) |
2207 | { | |
2208 | struct qeth_card *card; | |
2209 | struct ethhdr *eth; | |
2210 | ||
2211 | QETH_DBF_TEXT(trace,6,"typtrans"); | |
2212 | ||
2213 | card = (struct qeth_card *)dev->priv; | |
2214 | #ifdef CONFIG_TR | |
2215 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || | |
2216 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) | |
2217 | return tr_type_trans(skb,dev); | |
2218 | #endif /* CONFIG_TR */ | |
2219 | skb->mac.raw = skb->data; | |
2220 | skb_pull(skb, ETH_HLEN ); | |
2221 | eth = eth_hdr(skb); | |
2222 | ||
2223 | if (*eth->h_dest & 1) { | |
2224 | if (memcmp(eth->h_dest, dev->broadcast, ETH_ALEN) == 0) | |
2225 | skb->pkt_type = PACKET_BROADCAST; | |
2226 | else | |
2227 | skb->pkt_type = PACKET_MULTICAST; | |
2228 | } else if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN)) | |
2229 | skb->pkt_type = PACKET_OTHERHOST; | |
2230 | ||
2231 | if (ntohs(eth->h_proto) >= 1536) | |
2232 | return eth->h_proto; | |
2233 | if (*(unsigned short *) (skb->data) == 0xFFFF) | |
2234 | return htons(ETH_P_802_3); | |
2235 | return htons(ETH_P_802_2); | |
2236 | } | |
2237 | ||
2238 | static inline void | |
e23dd9cd FP |
2239 | qeth_rebuild_skb_fake_ll_tr(struct qeth_card *card, struct sk_buff *skb, |
2240 | struct qeth_hdr *hdr) | |
2241 | { | |
2242 | struct trh_hdr *fake_hdr; | |
2243 | struct trllc *fake_llc; | |
2244 | struct iphdr *ip_hdr; | |
2245 | ||
2246 | QETH_DBF_TEXT(trace,5,"skbfktr"); | |
2247 | skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_TR; | |
2248 | /* this is a fake ethernet header */ | |
2249 | fake_hdr = (struct trh_hdr *) skb->mac.raw; | |
2250 | ||
2251 | /* the destination MAC address */ | |
2252 | switch (skb->pkt_type){ | |
2253 | case PACKET_MULTICAST: | |
2254 | switch (skb->protocol){ | |
2255 | #ifdef CONFIG_QETH_IPV6 | |
2256 | case __constant_htons(ETH_P_IPV6): | |
2257 | ndisc_mc_map((struct in6_addr *) | |
2258 | skb->data + QETH_FAKE_LL_V6_ADDR_POS, | |
2259 | fake_hdr->daddr, card->dev, 0); | |
2260 | break; | |
2261 | #endif /* CONFIG_QETH_IPV6 */ | |
2262 | case __constant_htons(ETH_P_IP): | |
2263 | ip_hdr = (struct iphdr *)skb->data; | |
2264 | ip_tr_mc_map(ip_hdr->daddr, fake_hdr->daddr); | |
2265 | break; | |
2266 | default: | |
2267 | memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); | |
2268 | } | |
2269 | break; | |
2270 | case PACKET_BROADCAST: | |
2271 | memset(fake_hdr->daddr, 0xff, TR_ALEN); | |
2272 | break; | |
2273 | default: | |
2274 | memcpy(fake_hdr->daddr, card->dev->dev_addr, TR_ALEN); | |
2275 | } | |
2276 | /* the source MAC address */ | |
2277 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) | |
2278 | memcpy(fake_hdr->saddr, &hdr->hdr.l3.dest_addr[2], TR_ALEN); | |
2279 | else | |
2280 | memset(fake_hdr->saddr, 0, TR_ALEN); | |
2281 | fake_hdr->rcf=0; | |
2282 | fake_llc = (struct trllc*)&(fake_hdr->rcf); | |
2283 | fake_llc->dsap = EXTENDED_SAP; | |
2284 | fake_llc->ssap = EXTENDED_SAP; | |
2285 | fake_llc->llc = UI_CMD; | |
2286 | fake_llc->protid[0] = 0; | |
2287 | fake_llc->protid[1] = 0; | |
2288 | fake_llc->protid[2] = 0; | |
2289 | fake_llc->ethertype = ETH_P_IP; | |
2290 | } | |
2291 | ||
2292 | static inline void | |
2293 | qeth_rebuild_skb_fake_ll_eth(struct qeth_card *card, struct sk_buff *skb, | |
1da177e4 LT |
2294 | struct qeth_hdr *hdr) |
2295 | { | |
2296 | struct ethhdr *fake_hdr; | |
2297 | struct iphdr *ip_hdr; | |
2298 | ||
e23dd9cd FP |
2299 | QETH_DBF_TEXT(trace,5,"skbfketh"); |
2300 | skb->mac.raw = skb->data - QETH_FAKE_LL_LEN_ETH; | |
1da177e4 LT |
2301 | /* this is a fake ethernet header */ |
2302 | fake_hdr = (struct ethhdr *) skb->mac.raw; | |
2303 | ||
2304 | /* the destination MAC address */ | |
2305 | switch (skb->pkt_type){ | |
2306 | case PACKET_MULTICAST: | |
2307 | switch (skb->protocol){ | |
2308 | #ifdef CONFIG_QETH_IPV6 | |
2309 | case __constant_htons(ETH_P_IPV6): | |
2310 | ndisc_mc_map((struct in6_addr *) | |
2311 | skb->data + QETH_FAKE_LL_V6_ADDR_POS, | |
2312 | fake_hdr->h_dest, card->dev, 0); | |
2313 | break; | |
2314 | #endif /* CONFIG_QETH_IPV6 */ | |
2315 | case __constant_htons(ETH_P_IP): | |
2316 | ip_hdr = (struct iphdr *)skb->data; | |
e23dd9cd | 2317 | ip_eth_mc_map(ip_hdr->daddr, fake_hdr->h_dest); |
1da177e4 LT |
2318 | break; |
2319 | default: | |
2320 | memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); | |
2321 | } | |
2322 | break; | |
2323 | case PACKET_BROADCAST: | |
2324 | memset(fake_hdr->h_dest, 0xff, ETH_ALEN); | |
2325 | break; | |
2326 | default: | |
2327 | memcpy(fake_hdr->h_dest, card->dev->dev_addr, ETH_ALEN); | |
2328 | } | |
2329 | /* the source MAC address */ | |
2330 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) | |
2331 | memcpy(fake_hdr->h_source, &hdr->hdr.l3.dest_addr[2], ETH_ALEN); | |
2332 | else | |
2333 | memset(fake_hdr->h_source, 0, ETH_ALEN); | |
2334 | /* the protocol */ | |
2335 | fake_hdr->h_proto = skb->protocol; | |
2336 | } | |
2337 | ||
e23dd9cd FP |
2338 | static inline void |
2339 | qeth_rebuild_skb_fake_ll(struct qeth_card *card, struct sk_buff *skb, | |
2340 | struct qeth_hdr *hdr) | |
2341 | { | |
2342 | if (card->dev->type == ARPHRD_IEEE802_TR) | |
2343 | qeth_rebuild_skb_fake_ll_tr(card, skb, hdr); | |
2344 | else | |
2345 | qeth_rebuild_skb_fake_ll_eth(card, skb, hdr); | |
2346 | } | |
2347 | ||
1da177e4 LT |
2348 | static inline void |
2349 | qeth_rebuild_skb_vlan(struct qeth_card *card, struct sk_buff *skb, | |
2350 | struct qeth_hdr *hdr) | |
2351 | { | |
2352 | #ifdef CONFIG_QETH_VLAN | |
2353 | u16 *vlan_tag; | |
2354 | ||
2355 | if (hdr->hdr.l3.ext_flags & | |
2356 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
2357 | vlan_tag = (u16 *) skb_push(skb, VLAN_HLEN); | |
2358 | *vlan_tag = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)? | |
2359 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); | |
2360 | *(vlan_tag + 1) = skb->protocol; | |
2361 | skb->protocol = __constant_htons(ETH_P_8021Q); | |
2362 | } | |
2363 | #endif /* CONFIG_QETH_VLAN */ | |
2364 | } | |
2365 | ||
2366 | static inline __u16 | |
2367 | qeth_layer2_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, | |
2368 | struct qeth_hdr *hdr) | |
2369 | { | |
2370 | unsigned short vlan_id = 0; | |
2371 | #ifdef CONFIG_QETH_VLAN | |
2372 | struct vlan_hdr *vhdr; | |
2373 | #endif | |
2374 | ||
2375 | skb->pkt_type = PACKET_HOST; | |
2376 | skb->protocol = qeth_type_trans(skb, skb->dev); | |
2377 | if (card->options.checksum_type == NO_CHECKSUMMING) | |
2378 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
2379 | else | |
2380 | skb->ip_summed = CHECKSUM_NONE; | |
2381 | #ifdef CONFIG_QETH_VLAN | |
2382 | if (hdr->hdr.l2.flags[2] & (QETH_LAYER2_FLAG_VLAN)) { | |
2383 | vhdr = (struct vlan_hdr *) skb->data; | |
2384 | skb->protocol = | |
2385 | __constant_htons(vhdr->h_vlan_encapsulated_proto); | |
2386 | vlan_id = hdr->hdr.l2.vlan_id; | |
2387 | skb_pull(skb, VLAN_HLEN); | |
2388 | } | |
2389 | #endif | |
2390 | return vlan_id; | |
2391 | } | |
2392 | ||
2393 | static inline void | |
2394 | qeth_rebuild_skb(struct qeth_card *card, struct sk_buff *skb, | |
2395 | struct qeth_hdr *hdr) | |
2396 | { | |
2397 | #ifdef CONFIG_QETH_IPV6 | |
2398 | if (hdr->hdr.l3.flags & QETH_HDR_PASSTHRU) { | |
2399 | skb->pkt_type = PACKET_HOST; | |
2400 | skb->protocol = qeth_type_trans(skb, card->dev); | |
2401 | return; | |
2402 | } | |
2403 | #endif /* CONFIG_QETH_IPV6 */ | |
2404 | skb->protocol = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
2405 | ETH_P_IP); | |
2406 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK){ | |
2407 | case QETH_CAST_UNICAST: | |
2408 | skb->pkt_type = PACKET_HOST; | |
2409 | break; | |
2410 | case QETH_CAST_MULTICAST: | |
2411 | skb->pkt_type = PACKET_MULTICAST; | |
2412 | card->stats.multicast++; | |
2413 | break; | |
2414 | case QETH_CAST_BROADCAST: | |
2415 | skb->pkt_type = PACKET_BROADCAST; | |
2416 | card->stats.multicast++; | |
2417 | break; | |
2418 | case QETH_CAST_ANYCAST: | |
2419 | case QETH_CAST_NOCAST: | |
2420 | default: | |
2421 | skb->pkt_type = PACKET_HOST; | |
2422 | } | |
2423 | qeth_rebuild_skb_vlan(card, skb, hdr); | |
2424 | if (card->options.fake_ll) | |
2425 | qeth_rebuild_skb_fake_ll(card, skb, hdr); | |
2426 | else | |
2427 | skb->mac.raw = skb->data; | |
2428 | skb->ip_summed = card->options.checksum_type; | |
2429 | if (card->options.checksum_type == HW_CHECKSUMMING){ | |
2430 | if ( (hdr->hdr.l3.ext_flags & | |
2431 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
2432 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
2433 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
2434 | QETH_HDR_EXT_CSUM_TRANSP_REQ) ) | |
2435 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
2436 | else | |
2437 | skb->ip_summed = SW_CHECKSUMMING; | |
2438 | } | |
2439 | } | |
2440 | ||
2441 | static inline void | |
2442 | qeth_process_inbound_buffer(struct qeth_card *card, | |
2443 | struct qeth_qdio_buffer *buf, int index) | |
2444 | { | |
2445 | struct qdio_buffer_element *element; | |
2446 | struct sk_buff *skb; | |
2447 | struct qeth_hdr *hdr; | |
2448 | int offset; | |
2449 | int rxrc; | |
2450 | __u16 vlan_tag = 0; | |
2451 | ||
2452 | /* get first element of current buffer */ | |
2453 | element = (struct qdio_buffer_element *)&buf->buffer->element[0]; | |
2454 | offset = 0; | |
2455 | #ifdef CONFIG_QETH_PERF_STATS | |
2456 | card->perf_stats.bufs_rec++; | |
2457 | #endif | |
2458 | while((skb = qeth_get_next_skb(card, buf->buffer, &element, | |
2459 | &offset, &hdr))) { | |
2460 | skb->dev = card->dev; | |
2461 | if (hdr->hdr.l2.id == QETH_HEADER_TYPE_LAYER2) | |
2462 | vlan_tag = qeth_layer2_rebuild_skb(card, skb, hdr); | |
2463 | else | |
2464 | qeth_rebuild_skb(card, skb, hdr); | |
2465 | /* is device UP ? */ | |
2466 | if (!(card->dev->flags & IFF_UP)){ | |
2467 | dev_kfree_skb_any(skb); | |
2468 | continue; | |
2469 | } | |
2470 | #ifdef CONFIG_QETH_VLAN | |
2471 | if (vlan_tag) | |
2472 | vlan_hwaccel_rx(skb, card->vlangrp, vlan_tag); | |
2473 | else | |
2474 | #endif | |
2475 | rxrc = netif_rx(skb); | |
2476 | card->dev->last_rx = jiffies; | |
2477 | card->stats.rx_packets++; | |
2478 | card->stats.rx_bytes += skb->len; | |
2479 | } | |
2480 | } | |
2481 | ||
2482 | static inline struct qeth_buffer_pool_entry * | |
2483 | qeth_get_buffer_pool_entry(struct qeth_card *card) | |
2484 | { | |
2485 | struct qeth_buffer_pool_entry *entry; | |
2486 | ||
2487 | QETH_DBF_TEXT(trace, 6, "gtbfplen"); | |
2488 | if (!list_empty(&card->qdio.in_buf_pool.entry_list)) { | |
2489 | entry = list_entry(card->qdio.in_buf_pool.entry_list.next, | |
2490 | struct qeth_buffer_pool_entry, list); | |
2491 | list_del_init(&entry->list); | |
2492 | return entry; | |
2493 | } | |
2494 | return NULL; | |
2495 | } | |
2496 | ||
2497 | static inline void | |
2498 | qeth_init_input_buffer(struct qeth_card *card, struct qeth_qdio_buffer *buf) | |
2499 | { | |
2500 | struct qeth_buffer_pool_entry *pool_entry; | |
2501 | int i; | |
2502 | ||
2503 | pool_entry = qeth_get_buffer_pool_entry(card); | |
2504 | /* | |
2505 | * since the buffer is accessed only from the input_tasklet | |
2506 | * there shouldn't be a need to synchronize; also, since we use | |
2507 | * the QETH_IN_BUF_REQUEUE_THRESHOLD we should never run out off | |
2508 | * buffers | |
2509 | */ | |
2510 | BUG_ON(!pool_entry); | |
2511 | ||
2512 | buf->pool_entry = pool_entry; | |
2513 | for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ | |
2514 | buf->buffer->element[i].length = PAGE_SIZE; | |
2515 | buf->buffer->element[i].addr = pool_entry->elements[i]; | |
2516 | if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1) | |
2517 | buf->buffer->element[i].flags = SBAL_FLAGS_LAST_ENTRY; | |
2518 | else | |
2519 | buf->buffer->element[i].flags = 0; | |
2520 | } | |
2521 | buf->state = QETH_QDIO_BUF_EMPTY; | |
2522 | } | |
2523 | ||
2524 | static inline void | |
2525 | qeth_clear_output_buffer(struct qeth_qdio_out_q *queue, | |
2526 | struct qeth_qdio_out_buffer *buf) | |
2527 | { | |
2528 | int i; | |
2529 | struct sk_buff *skb; | |
2530 | ||
2531 | /* is PCI flag set on buffer? */ | |
2532 | if (buf->buffer->element[0].flags & 0x40) | |
2533 | atomic_dec(&queue->set_pci_flags_count); | |
2534 | ||
2535 | while ((skb = skb_dequeue(&buf->skb_list))){ | |
2536 | atomic_dec(&skb->users); | |
2537 | dev_kfree_skb_any(skb); | |
2538 | } | |
2539 | qeth_eddp_buf_release_contexts(buf); | |
2540 | for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(queue->card); ++i){ | |
2541 | buf->buffer->element[i].length = 0; | |
2542 | buf->buffer->element[i].addr = NULL; | |
2543 | buf->buffer->element[i].flags = 0; | |
2544 | } | |
2545 | buf->next_element_to_fill = 0; | |
2546 | atomic_set(&buf->state, QETH_QDIO_BUF_EMPTY); | |
2547 | } | |
2548 | ||
2549 | static inline void | |
2550 | qeth_queue_input_buffer(struct qeth_card *card, int index) | |
2551 | { | |
2552 | struct qeth_qdio_q *queue = card->qdio.in_q; | |
2553 | int count; | |
2554 | int i; | |
2555 | int rc; | |
2556 | ||
2557 | QETH_DBF_TEXT(trace,6,"queinbuf"); | |
2558 | count = (index < queue->next_buf_to_init)? | |
2559 | card->qdio.in_buf_pool.buf_count - | |
2560 | (queue->next_buf_to_init - index) : | |
2561 | card->qdio.in_buf_pool.buf_count - | |
2562 | (queue->next_buf_to_init + QDIO_MAX_BUFFERS_PER_Q - index); | |
2563 | /* only requeue at a certain threshold to avoid SIGAs */ | |
2564 | if (count >= QETH_IN_BUF_REQUEUE_THRESHOLD(card)){ | |
2565 | for (i = queue->next_buf_to_init; | |
2566 | i < queue->next_buf_to_init + count; ++i) | |
2567 | qeth_init_input_buffer(card, | |
2568 | &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]); | |
2569 | /* | |
2570 | * according to old code it should be avoided to requeue all | |
2571 | * 128 buffers in order to benefit from PCI avoidance. | |
2572 | * this function keeps at least one buffer (the buffer at | |
2573 | * 'index') un-requeued -> this buffer is the first buffer that | |
2574 | * will be requeued the next time | |
2575 | */ | |
2576 | #ifdef CONFIG_QETH_PERF_STATS | |
2577 | card->perf_stats.inbound_do_qdio_cnt++; | |
2578 | card->perf_stats.inbound_do_qdio_start_time = qeth_get_micros(); | |
2579 | #endif | |
2580 | rc = do_QDIO(CARD_DDEV(card), | |
2581 | QDIO_FLAG_SYNC_INPUT | QDIO_FLAG_UNDER_INTERRUPT, | |
2582 | 0, queue->next_buf_to_init, count, NULL); | |
2583 | #ifdef CONFIG_QETH_PERF_STATS | |
2584 | card->perf_stats.inbound_do_qdio_time += qeth_get_micros() - | |
2585 | card->perf_stats.inbound_do_qdio_start_time; | |
2586 | #endif | |
2587 | if (rc){ | |
2588 | PRINT_WARN("qeth_queue_input_buffer's do_QDIO " | |
2589 | "return %i (device %s).\n", | |
2590 | rc, CARD_DDEV_ID(card)); | |
2591 | QETH_DBF_TEXT(trace,2,"qinberr"); | |
2592 | QETH_DBF_TEXT_(trace,2,"%s",CARD_BUS_ID(card)); | |
2593 | } | |
2594 | queue->next_buf_to_init = (queue->next_buf_to_init + count) % | |
2595 | QDIO_MAX_BUFFERS_PER_Q; | |
2596 | } | |
2597 | } | |
2598 | ||
2599 | static inline void | |
2600 | qeth_put_buffer_pool_entry(struct qeth_card *card, | |
2601 | struct qeth_buffer_pool_entry *entry) | |
2602 | { | |
2603 | QETH_DBF_TEXT(trace, 6, "ptbfplen"); | |
2604 | list_add_tail(&entry->list, &card->qdio.in_buf_pool.entry_list); | |
2605 | } | |
2606 | ||
2607 | static void | |
2608 | qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, | |
2609 | unsigned int qdio_err, unsigned int siga_err, | |
2610 | unsigned int queue, int first_element, int count, | |
2611 | unsigned long card_ptr) | |
2612 | { | |
2613 | struct net_device *net_dev; | |
2614 | struct qeth_card *card; | |
2615 | struct qeth_qdio_buffer *buffer; | |
2616 | int index; | |
2617 | int i; | |
2618 | ||
2619 | QETH_DBF_TEXT(trace, 6, "qdinput"); | |
2620 | card = (struct qeth_card *) card_ptr; | |
2621 | net_dev = card->dev; | |
2622 | #ifdef CONFIG_QETH_PERF_STATS | |
2623 | card->perf_stats.inbound_cnt++; | |
2624 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
2625 | #endif | |
2626 | if (status & QDIO_STATUS_LOOK_FOR_ERROR) { | |
2627 | if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ | |
2628 | QETH_DBF_TEXT(trace, 1,"qdinchk"); | |
2629 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2630 | QETH_DBF_TEXT_(trace,1,"%04X%04X",first_element,count); | |
2631 | QETH_DBF_TEXT_(trace,1,"%04X%04X", queue, status); | |
2632 | qeth_schedule_recovery(card); | |
2633 | return; | |
2634 | } | |
2635 | } | |
2636 | for (i = first_element; i < (first_element + count); ++i) { | |
2637 | index = i % QDIO_MAX_BUFFERS_PER_Q; | |
2638 | buffer = &card->qdio.in_q->bufs[index]; | |
2639 | if (!((status == QDIO_STATUS_LOOK_FOR_ERROR) && | |
2640 | qeth_check_for_inbound_error(buffer, qdio_err, siga_err))) | |
2641 | qeth_process_inbound_buffer(card, buffer, index); | |
2642 | /* clear buffer and give back to hardware */ | |
2643 | qeth_put_buffer_pool_entry(card, buffer->pool_entry); | |
2644 | qeth_queue_input_buffer(card, index); | |
2645 | } | |
2646 | #ifdef CONFIG_QETH_PERF_STATS | |
2647 | card->perf_stats.inbound_time += qeth_get_micros() - | |
2648 | card->perf_stats.inbound_start_time; | |
2649 | #endif | |
2650 | } | |
2651 | ||
2652 | static inline int | |
2653 | qeth_handle_send_error(struct qeth_card *card, | |
2654 | struct qeth_qdio_out_buffer *buffer, | |
2655 | int qdio_err, int siga_err) | |
2656 | { | |
2657 | int sbalf15 = buffer->buffer->element[15].flags & 0xff; | |
2658 | int cc = siga_err & 3; | |
2659 | ||
2660 | QETH_DBF_TEXT(trace, 6, "hdsnderr"); | |
2661 | switch (cc) { | |
2662 | case 0: | |
2663 | if (qdio_err){ | |
2664 | QETH_DBF_TEXT(trace, 1,"lnkfail"); | |
2665 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2666 | QETH_DBF_TEXT_(trace,1,"%04x %02x", | |
2667 | (u16)qdio_err, (u8)sbalf15); | |
2668 | return QETH_SEND_ERROR_LINK_FAILURE; | |
2669 | } | |
2670 | return QETH_SEND_ERROR_NONE; | |
2671 | case 2: | |
2672 | if (siga_err & QDIO_SIGA_ERROR_B_BIT_SET) { | |
2673 | QETH_DBF_TEXT(trace, 1, "SIGAcc2B"); | |
2674 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2675 | return QETH_SEND_ERROR_KICK_IT; | |
2676 | } | |
2677 | if ((sbalf15 >= 15) && (sbalf15 <= 31)) | |
2678 | return QETH_SEND_ERROR_RETRY; | |
2679 | return QETH_SEND_ERROR_LINK_FAILURE; | |
2680 | /* look at qdio_error and sbalf 15 */ | |
2681 | case 1: | |
2682 | QETH_DBF_TEXT(trace, 1, "SIGAcc1"); | |
2683 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2684 | return QETH_SEND_ERROR_LINK_FAILURE; | |
2685 | case 3: | |
2686 | QETH_DBF_TEXT(trace, 1, "SIGAcc3"); | |
2687 | QETH_DBF_TEXT_(trace,1,"%s",CARD_BUS_ID(card)); | |
2688 | return QETH_SEND_ERROR_KICK_IT; | |
2689 | } | |
2690 | return QETH_SEND_ERROR_LINK_FAILURE; | |
2691 | } | |
2692 | ||
2693 | void | |
2694 | qeth_flush_buffers(struct qeth_qdio_out_q *queue, int under_int, | |
2695 | int index, int count) | |
2696 | { | |
2697 | struct qeth_qdio_out_buffer *buf; | |
2698 | int rc; | |
2699 | int i; | |
2700 | ||
2701 | QETH_DBF_TEXT(trace, 6, "flushbuf"); | |
2702 | ||
2703 | for (i = index; i < index + count; ++i) { | |
2704 | buf = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; | |
2705 | buf->buffer->element[buf->next_element_to_fill - 1].flags |= | |
2706 | SBAL_FLAGS_LAST_ENTRY; | |
2707 | ||
2708 | if (queue->card->info.type == QETH_CARD_TYPE_IQD) | |
2709 | continue; | |
2710 | ||
2711 | if (!queue->do_pack){ | |
2712 | if ((atomic_read(&queue->used_buffers) >= | |
2713 | (QETH_HIGH_WATERMARK_PACK - | |
2714 | QETH_WATERMARK_PACK_FUZZ)) && | |
2715 | !atomic_read(&queue->set_pci_flags_count)){ | |
2716 | /* it's likely that we'll go to packing | |
2717 | * mode soon */ | |
2718 | atomic_inc(&queue->set_pci_flags_count); | |
2719 | buf->buffer->element[0].flags |= 0x40; | |
2720 | } | |
2721 | } else { | |
2722 | if (!atomic_read(&queue->set_pci_flags_count)){ | |
2723 | /* | |
2724 | * there's no outstanding PCI any more, so we | |
2725 | * have to request a PCI to be sure the the PCI | |
2726 | * will wake at some time in the future then we | |
2727 | * can flush packed buffers that might still be | |
2728 | * hanging around, which can happen if no | |
2729 | * further send was requested by the stack | |
2730 | */ | |
2731 | atomic_inc(&queue->set_pci_flags_count); | |
2732 | buf->buffer->element[0].flags |= 0x40; | |
2733 | } | |
2734 | } | |
2735 | } | |
2736 | ||
2737 | queue->card->dev->trans_start = jiffies; | |
2738 | #ifdef CONFIG_QETH_PERF_STATS | |
2739 | queue->card->perf_stats.outbound_do_qdio_cnt++; | |
2740 | queue->card->perf_stats.outbound_do_qdio_start_time = qeth_get_micros(); | |
2741 | #endif | |
2742 | if (under_int) | |
2743 | rc = do_QDIO(CARD_DDEV(queue->card), | |
2744 | QDIO_FLAG_SYNC_OUTPUT | QDIO_FLAG_UNDER_INTERRUPT, | |
2745 | queue->queue_no, index, count, NULL); | |
2746 | else | |
2747 | rc = do_QDIO(CARD_DDEV(queue->card), QDIO_FLAG_SYNC_OUTPUT, | |
2748 | queue->queue_no, index, count, NULL); | |
2749 | #ifdef CONFIG_QETH_PERF_STATS | |
2750 | queue->card->perf_stats.outbound_do_qdio_time += qeth_get_micros() - | |
2751 | queue->card->perf_stats.outbound_do_qdio_start_time; | |
2752 | #endif | |
2753 | if (rc){ | |
1da177e4 LT |
2754 | QETH_DBF_TEXT(trace, 2, "flushbuf"); |
2755 | QETH_DBF_TEXT_(trace, 2, " err%d", rc); | |
f3d242e8 | 2756 | QETH_DBF_TEXT_(trace, 2, "%s", CARD_DDEV_ID(queue->card)); |
1da177e4 LT |
2757 | queue->card->stats.tx_errors += count; |
2758 | /* this must not happen under normal circumstances. if it | |
2759 | * happens something is really wrong -> recover */ | |
2760 | qeth_schedule_recovery(queue->card); | |
2761 | return; | |
2762 | } | |
2763 | atomic_add(count, &queue->used_buffers); | |
2764 | #ifdef CONFIG_QETH_PERF_STATS | |
2765 | queue->card->perf_stats.bufs_sent += count; | |
2766 | #endif | |
2767 | } | |
2768 | ||
2769 | /* | |
2770 | * Switched to packing state if the number of used buffers on a queue | |
2771 | * reaches a certain limit. | |
2772 | */ | |
2773 | static inline void | |
2774 | qeth_switch_to_packing_if_needed(struct qeth_qdio_out_q *queue) | |
2775 | { | |
2776 | if (!queue->do_pack) { | |
2777 | if (atomic_read(&queue->used_buffers) | |
2778 | >= QETH_HIGH_WATERMARK_PACK){ | |
2779 | /* switch non-PACKING -> PACKING */ | |
2780 | QETH_DBF_TEXT(trace, 6, "np->pack"); | |
2781 | #ifdef CONFIG_QETH_PERF_STATS | |
2782 | queue->card->perf_stats.sc_dp_p++; | |
2783 | #endif | |
2784 | queue->do_pack = 1; | |
2785 | } | |
2786 | } | |
2787 | } | |
2788 | ||
2789 | /* | |
2790 | * Switches from packing to non-packing mode. If there is a packing | |
2791 | * buffer on the queue this buffer will be prepared to be flushed. | |
2792 | * In that case 1 is returned to inform the caller. If no buffer | |
2793 | * has to be flushed, zero is returned. | |
2794 | */ | |
2795 | static inline int | |
2796 | qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue) | |
2797 | { | |
2798 | struct qeth_qdio_out_buffer *buffer; | |
2799 | int flush_count = 0; | |
2800 | ||
2801 | if (queue->do_pack) { | |
2802 | if (atomic_read(&queue->used_buffers) | |
2803 | <= QETH_LOW_WATERMARK_PACK) { | |
2804 | /* switch PACKING -> non-PACKING */ | |
2805 | QETH_DBF_TEXT(trace, 6, "pack->np"); | |
2806 | #ifdef CONFIG_QETH_PERF_STATS | |
2807 | queue->card->perf_stats.sc_p_dp++; | |
2808 | #endif | |
2809 | queue->do_pack = 0; | |
2810 | /* flush packing buffers */ | |
2811 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
2812 | if ((atomic_read(&buffer->state) == | |
2813 | QETH_QDIO_BUF_EMPTY) && | |
2814 | (buffer->next_element_to_fill > 0)) { | |
2815 | atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED); | |
2816 | flush_count++; | |
2817 | queue->next_buf_to_fill = | |
2818 | (queue->next_buf_to_fill + 1) % | |
2819 | QDIO_MAX_BUFFERS_PER_Q; | |
2820 | } | |
2821 | } | |
2822 | } | |
2823 | return flush_count; | |
2824 | } | |
2825 | ||
2826 | /* | |
2827 | * Called to flush a packing buffer if no more pci flags are on the queue. | |
2828 | * Checks if there is a packing buffer and prepares it to be flushed. | |
2829 | * In that case returns 1, otherwise zero. | |
2830 | */ | |
2831 | static inline int | |
2832 | qeth_flush_buffers_on_no_pci(struct qeth_qdio_out_q *queue) | |
2833 | { | |
2834 | struct qeth_qdio_out_buffer *buffer; | |
2835 | ||
2836 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
2837 | if((atomic_read(&buffer->state) == QETH_QDIO_BUF_EMPTY) && | |
2838 | (buffer->next_element_to_fill > 0)){ | |
2839 | /* it's a packing buffer */ | |
2840 | atomic_set(&buffer->state, QETH_QDIO_BUF_PRIMED); | |
2841 | queue->next_buf_to_fill = | |
2842 | (queue->next_buf_to_fill + 1) % QDIO_MAX_BUFFERS_PER_Q; | |
2843 | return 1; | |
2844 | } | |
2845 | return 0; | |
2846 | } | |
2847 | ||
2848 | static inline void | |
2849 | qeth_check_outbound_queue(struct qeth_qdio_out_q *queue) | |
2850 | { | |
2851 | int index; | |
2852 | int flush_cnt = 0; | |
2853 | int q_was_packing = 0; | |
2854 | ||
2855 | /* | |
2856 | * check if weed have to switch to non-packing mode or if | |
2857 | * we have to get a pci flag out on the queue | |
2858 | */ | |
2859 | if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) || | |
2860 | !atomic_read(&queue->set_pci_flags_count)){ | |
2861 | if (atomic_swap(&queue->state, QETH_OUT_Q_LOCKED_FLUSH) == | |
2862 | QETH_OUT_Q_UNLOCKED) { | |
2863 | /* | |
2864 | * If we get in here, there was no action in | |
2865 | * do_send_packet. So, we check if there is a | |
2866 | * packing buffer to be flushed here. | |
2867 | */ | |
2868 | netif_stop_queue(queue->card->dev); | |
2869 | index = queue->next_buf_to_fill; | |
2870 | q_was_packing = queue->do_pack; | |
2871 | flush_cnt += qeth_switch_to_nonpacking_if_needed(queue); | |
2872 | if (!flush_cnt && | |
2873 | !atomic_read(&queue->set_pci_flags_count)) | |
2874 | flush_cnt += | |
2875 | qeth_flush_buffers_on_no_pci(queue); | |
2876 | #ifdef CONFIG_QETH_PERF_STATS | |
2877 | if (q_was_packing) | |
2878 | queue->card->perf_stats.bufs_sent_pack += | |
2879 | flush_cnt; | |
2880 | #endif | |
2881 | if (flush_cnt) | |
2882 | qeth_flush_buffers(queue, 1, index, flush_cnt); | |
2883 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
2884 | } | |
2885 | } | |
2886 | } | |
2887 | ||
2888 | static void | |
2889 | qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status, | |
2890 | unsigned int qdio_error, unsigned int siga_error, | |
2891 | unsigned int __queue, int first_element, int count, | |
2892 | unsigned long card_ptr) | |
2893 | { | |
2894 | struct qeth_card *card = (struct qeth_card *) card_ptr; | |
2895 | struct qeth_qdio_out_q *queue = card->qdio.out_qs[__queue]; | |
2896 | struct qeth_qdio_out_buffer *buffer; | |
2897 | int i; | |
2898 | ||
2899 | QETH_DBF_TEXT(trace, 6, "qdouhdl"); | |
2900 | if (status & QDIO_STATUS_LOOK_FOR_ERROR) { | |
2901 | if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION){ | |
f3d242e8 FP |
2902 | QETH_DBF_TEXT(trace, 2, "achkcond"); |
2903 | QETH_DBF_TEXT_(trace, 2, "%s", CARD_BUS_ID(card)); | |
1da177e4 LT |
2904 | QETH_DBF_TEXT_(trace, 2, "%08x", status); |
2905 | netif_stop_queue(card->dev); | |
2906 | qeth_schedule_recovery(card); | |
2907 | return; | |
2908 | } | |
2909 | } | |
2910 | #ifdef CONFIG_QETH_PERF_STATS | |
2911 | card->perf_stats.outbound_handler_cnt++; | |
2912 | card->perf_stats.outbound_handler_start_time = qeth_get_micros(); | |
2913 | #endif | |
2914 | for(i = first_element; i < (first_element + count); ++i){ | |
2915 | buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; | |
2916 | /*we only handle the KICK_IT error by doing a recovery */ | |
2917 | if (qeth_handle_send_error(card, buffer, qdio_error, siga_error) | |
2918 | == QETH_SEND_ERROR_KICK_IT){ | |
2919 | netif_stop_queue(card->dev); | |
2920 | qeth_schedule_recovery(card); | |
2921 | return; | |
2922 | } | |
2923 | qeth_clear_output_buffer(queue, buffer); | |
2924 | } | |
2925 | atomic_sub(count, &queue->used_buffers); | |
2926 | /* check if we need to do something on this outbound queue */ | |
2927 | if (card->info.type != QETH_CARD_TYPE_IQD) | |
2928 | qeth_check_outbound_queue(queue); | |
2929 | ||
2930 | netif_wake_queue(queue->card->dev); | |
2931 | #ifdef CONFIG_QETH_PERF_STATS | |
2932 | card->perf_stats.outbound_handler_time += qeth_get_micros() - | |
2933 | card->perf_stats.outbound_handler_start_time; | |
2934 | #endif | |
2935 | } | |
2936 | ||
2937 | static void | |
2938 | qeth_create_qib_param_field(struct qeth_card *card, char *param_field) | |
2939 | { | |
2940 | ||
2941 | param_field[0] = _ascebc['P']; | |
2942 | param_field[1] = _ascebc['C']; | |
2943 | param_field[2] = _ascebc['I']; | |
2944 | param_field[3] = _ascebc['T']; | |
2945 | *((unsigned int *) (¶m_field[4])) = QETH_PCI_THRESHOLD_A(card); | |
2946 | *((unsigned int *) (¶m_field[8])) = QETH_PCI_THRESHOLD_B(card); | |
2947 | *((unsigned int *) (¶m_field[12])) = QETH_PCI_TIMER_VALUE(card); | |
2948 | } | |
2949 | ||
2950 | static void | |
2951 | qeth_create_qib_param_field_blkt(struct qeth_card *card, char *param_field) | |
2952 | { | |
2953 | param_field[16] = _ascebc['B']; | |
2954 | param_field[17] = _ascebc['L']; | |
2955 | param_field[18] = _ascebc['K']; | |
2956 | param_field[19] = _ascebc['T']; | |
2957 | *((unsigned int *) (¶m_field[20])) = card->info.blkt.time_total; | |
2958 | *((unsigned int *) (¶m_field[24])) = card->info.blkt.inter_packet; | |
2959 | *((unsigned int *) (¶m_field[28])) = card->info.blkt.inter_packet_jumbo; | |
2960 | } | |
2961 | ||
2962 | static void | |
2963 | qeth_initialize_working_pool_list(struct qeth_card *card) | |
2964 | { | |
2965 | struct qeth_buffer_pool_entry *entry; | |
2966 | ||
2967 | QETH_DBF_TEXT(trace,5,"inwrklst"); | |
2968 | ||
2969 | list_for_each_entry(entry, | |
2970 | &card->qdio.init_pool.entry_list, init_list) { | |
2971 | qeth_put_buffer_pool_entry(card,entry); | |
2972 | } | |
2973 | } | |
2974 | ||
2975 | static void | |
2976 | qeth_clear_working_pool_list(struct qeth_card *card) | |
2977 | { | |
2978 | struct qeth_buffer_pool_entry *pool_entry, *tmp; | |
2979 | ||
2980 | QETH_DBF_TEXT(trace,5,"clwrklst"); | |
2981 | list_for_each_entry_safe(pool_entry, tmp, | |
2982 | &card->qdio.in_buf_pool.entry_list, list){ | |
2983 | list_del(&pool_entry->list); | |
2984 | } | |
2985 | } | |
2986 | ||
2987 | static void | |
2988 | qeth_free_buffer_pool(struct qeth_card *card) | |
2989 | { | |
2990 | struct qeth_buffer_pool_entry *pool_entry, *tmp; | |
2991 | int i=0; | |
2992 | QETH_DBF_TEXT(trace,5,"freepool"); | |
2993 | list_for_each_entry_safe(pool_entry, tmp, | |
2994 | &card->qdio.init_pool.entry_list, init_list){ | |
2995 | for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) | |
2996 | free_page((unsigned long)pool_entry->elements[i]); | |
2997 | list_del(&pool_entry->init_list); | |
2998 | kfree(pool_entry); | |
2999 | } | |
3000 | } | |
3001 | ||
3002 | static int | |
3003 | qeth_alloc_buffer_pool(struct qeth_card *card) | |
3004 | { | |
3005 | struct qeth_buffer_pool_entry *pool_entry; | |
3006 | void *ptr; | |
3007 | int i, j; | |
3008 | ||
3009 | QETH_DBF_TEXT(trace,5,"alocpool"); | |
3010 | for (i = 0; i < card->qdio.init_pool.buf_count; ++i){ | |
3011 | pool_entry = kmalloc(sizeof(*pool_entry), GFP_KERNEL); | |
3012 | if (!pool_entry){ | |
3013 | qeth_free_buffer_pool(card); | |
3014 | return -ENOMEM; | |
3015 | } | |
3016 | for(j = 0; j < QETH_MAX_BUFFER_ELEMENTS(card); ++j){ | |
3017 | ptr = (void *) __get_free_page(GFP_KERNEL); | |
3018 | if (!ptr) { | |
3019 | while (j > 0) | |
3020 | free_page((unsigned long) | |
3021 | pool_entry->elements[--j]); | |
3022 | kfree(pool_entry); | |
3023 | qeth_free_buffer_pool(card); | |
3024 | return -ENOMEM; | |
3025 | } | |
3026 | pool_entry->elements[j] = ptr; | |
3027 | } | |
3028 | list_add(&pool_entry->init_list, | |
3029 | &card->qdio.init_pool.entry_list); | |
3030 | } | |
3031 | return 0; | |
3032 | } | |
3033 | ||
3034 | int | |
3035 | qeth_realloc_buffer_pool(struct qeth_card *card, int bufcnt) | |
3036 | { | |
3037 | QETH_DBF_TEXT(trace, 2, "realcbp"); | |
3038 | ||
3039 | if ((card->state != CARD_STATE_DOWN) && | |
3040 | (card->state != CARD_STATE_RECOVER)) | |
3041 | return -EPERM; | |
3042 | ||
3043 | /* TODO: steel/add buffers from/to a running card's buffer pool (?) */ | |
3044 | qeth_clear_working_pool_list(card); | |
3045 | qeth_free_buffer_pool(card); | |
3046 | card->qdio.in_buf_pool.buf_count = bufcnt; | |
3047 | card->qdio.init_pool.buf_count = bufcnt; | |
3048 | return qeth_alloc_buffer_pool(card); | |
3049 | } | |
3050 | ||
3051 | static int | |
3052 | qeth_alloc_qdio_buffers(struct qeth_card *card) | |
3053 | { | |
3054 | int i, j; | |
3055 | ||
3056 | QETH_DBF_TEXT(setup, 2, "allcqdbf"); | |
3057 | ||
3058 | if (card->qdio.state == QETH_QDIO_ALLOCATED) | |
3059 | return 0; | |
3060 | ||
3061 | card->qdio.in_q = kmalloc(sizeof(struct qeth_qdio_q), GFP_KERNEL); | |
3062 | if (!card->qdio.in_q) | |
3063 | return - ENOMEM; | |
3064 | QETH_DBF_TEXT(setup, 2, "inq"); | |
3065 | QETH_DBF_HEX(setup, 2, &card->qdio.in_q, sizeof(void *)); | |
3066 | memset(card->qdio.in_q, 0, sizeof(struct qeth_qdio_q)); | |
3067 | /* give inbound qeth_qdio_buffers their qdio_buffers */ | |
3068 | for (i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) | |
3069 | card->qdio.in_q->bufs[i].buffer = | |
3070 | &card->qdio.in_q->qdio_bufs[i]; | |
3071 | /* inbound buffer pool */ | |
3072 | if (qeth_alloc_buffer_pool(card)){ | |
3073 | kfree(card->qdio.in_q); | |
3074 | return -ENOMEM; | |
3075 | } | |
3076 | /* outbound */ | |
3077 | card->qdio.out_qs = | |
3078 | kmalloc(card->qdio.no_out_queues * | |
3079 | sizeof(struct qeth_qdio_out_q *), GFP_KERNEL); | |
3080 | if (!card->qdio.out_qs){ | |
3081 | qeth_free_buffer_pool(card); | |
3082 | return -ENOMEM; | |
3083 | } | |
3084 | for (i = 0; i < card->qdio.no_out_queues; ++i){ | |
3085 | card->qdio.out_qs[i] = kmalloc(sizeof(struct qeth_qdio_out_q), | |
3086 | GFP_KERNEL); | |
3087 | if (!card->qdio.out_qs[i]){ | |
3088 | while (i > 0) | |
3089 | kfree(card->qdio.out_qs[--i]); | |
3090 | kfree(card->qdio.out_qs); | |
3091 | return -ENOMEM; | |
3092 | } | |
3093 | QETH_DBF_TEXT_(setup, 2, "outq %i", i); | |
3094 | QETH_DBF_HEX(setup, 2, &card->qdio.out_qs[i], sizeof(void *)); | |
3095 | memset(card->qdio.out_qs[i], 0, sizeof(struct qeth_qdio_out_q)); | |
3096 | card->qdio.out_qs[i]->queue_no = i; | |
3097 | /* give outbound qeth_qdio_buffers their qdio_buffers */ | |
3098 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){ | |
3099 | card->qdio.out_qs[i]->bufs[j].buffer = | |
3100 | &card->qdio.out_qs[i]->qdio_bufs[j]; | |
3101 | skb_queue_head_init(&card->qdio.out_qs[i]->bufs[j]. | |
3102 | skb_list); | |
3103 | INIT_LIST_HEAD(&card->qdio.out_qs[i]->bufs[j].ctx_list); | |
3104 | } | |
3105 | } | |
3106 | card->qdio.state = QETH_QDIO_ALLOCATED; | |
3107 | return 0; | |
3108 | } | |
3109 | ||
3110 | static void | |
3111 | qeth_free_qdio_buffers(struct qeth_card *card) | |
3112 | { | |
3113 | int i, j; | |
3114 | ||
3115 | QETH_DBF_TEXT(trace, 2, "freeqdbf"); | |
3116 | if (card->qdio.state == QETH_QDIO_UNINITIALIZED) | |
3117 | return; | |
3118 | kfree(card->qdio.in_q); | |
3119 | /* inbound buffer pool */ | |
3120 | qeth_free_buffer_pool(card); | |
3121 | /* free outbound qdio_qs */ | |
3122 | for (i = 0; i < card->qdio.no_out_queues; ++i){ | |
3123 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
3124 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
3125 | &card->qdio.out_qs[i]->bufs[j]); | |
3126 | kfree(card->qdio.out_qs[i]); | |
3127 | } | |
3128 | kfree(card->qdio.out_qs); | |
3129 | card->qdio.state = QETH_QDIO_UNINITIALIZED; | |
3130 | } | |
3131 | ||
3132 | static void | |
3133 | qeth_clear_qdio_buffers(struct qeth_card *card) | |
3134 | { | |
3135 | int i, j; | |
3136 | ||
3137 | QETH_DBF_TEXT(trace, 2, "clearqdbf"); | |
3138 | /* clear outbound buffers to free skbs */ | |
3139 | for (i = 0; i < card->qdio.no_out_queues; ++i) | |
3140 | if (card->qdio.out_qs[i]){ | |
3141 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
3142 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
3143 | &card->qdio.out_qs[i]->bufs[j]); | |
3144 | } | |
3145 | } | |
3146 | ||
3147 | static void | |
3148 | qeth_init_qdio_info(struct qeth_card *card) | |
3149 | { | |
3150 | QETH_DBF_TEXT(setup, 4, "intqdinf"); | |
3151 | card->qdio.state = QETH_QDIO_UNINITIALIZED; | |
3152 | /* inbound */ | |
3153 | card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT; | |
3154 | card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT; | |
3155 | card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count; | |
3156 | INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list); | |
3157 | INIT_LIST_HEAD(&card->qdio.init_pool.entry_list); | |
3158 | /* outbound */ | |
3159 | card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT; | |
3160 | card->qdio.default_out_queue = QETH_DEFAULT_QUEUE; | |
3161 | } | |
3162 | ||
3163 | static int | |
3164 | qeth_init_qdio_queues(struct qeth_card *card) | |
3165 | { | |
3166 | int i, j; | |
3167 | int rc; | |
3168 | ||
3169 | QETH_DBF_TEXT(setup, 2, "initqdqs"); | |
3170 | ||
3171 | /* inbound queue */ | |
3172 | memset(card->qdio.in_q->qdio_bufs, 0, | |
3173 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
3174 | qeth_initialize_working_pool_list(card); | |
3175 | /*give only as many buffers to hardware as we have buffer pool entries*/ | |
3176 | for (i = 0; i < card->qdio.in_buf_pool.buf_count - 1; ++i) | |
3177 | qeth_init_input_buffer(card, &card->qdio.in_q->bufs[i]); | |
3178 | card->qdio.in_q->next_buf_to_init = card->qdio.in_buf_pool.buf_count - 1; | |
3179 | rc = do_QDIO(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0, 0, | |
3180 | card->qdio.in_buf_pool.buf_count - 1, NULL); | |
3181 | if (rc) { | |
3182 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
3183 | return rc; | |
3184 | } | |
3185 | rc = qdio_synchronize(CARD_DDEV(card), QDIO_FLAG_SYNC_INPUT, 0); | |
3186 | if (rc) { | |
3187 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
3188 | return rc; | |
3189 | } | |
3190 | /* outbound queue */ | |
3191 | for (i = 0; i < card->qdio.no_out_queues; ++i){ | |
3192 | memset(card->qdio.out_qs[i]->qdio_bufs, 0, | |
3193 | QDIO_MAX_BUFFERS_PER_Q * sizeof(struct qdio_buffer)); | |
3194 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j){ | |
3195 | qeth_clear_output_buffer(card->qdio.out_qs[i], | |
3196 | &card->qdio.out_qs[i]->bufs[j]); | |
3197 | } | |
3198 | card->qdio.out_qs[i]->card = card; | |
3199 | card->qdio.out_qs[i]->next_buf_to_fill = 0; | |
3200 | card->qdio.out_qs[i]->do_pack = 0; | |
3201 | atomic_set(&card->qdio.out_qs[i]->used_buffers,0); | |
3202 | atomic_set(&card->qdio.out_qs[i]->set_pci_flags_count, 0); | |
3203 | atomic_set(&card->qdio.out_qs[i]->state, | |
3204 | QETH_OUT_Q_UNLOCKED); | |
3205 | } | |
3206 | return 0; | |
3207 | } | |
3208 | ||
3209 | static int | |
3210 | qeth_qdio_establish(struct qeth_card *card) | |
3211 | { | |
3212 | struct qdio_initialize init_data; | |
3213 | char *qib_param_field; | |
3214 | struct qdio_buffer **in_sbal_ptrs; | |
3215 | struct qdio_buffer **out_sbal_ptrs; | |
3216 | int i, j, k; | |
3217 | int rc; | |
3218 | ||
3219 | QETH_DBF_TEXT(setup, 2, "qdioest"); | |
3220 | ||
3221 | qib_param_field = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(char), | |
3222 | GFP_KERNEL); | |
3223 | if (!qib_param_field) | |
3224 | return -ENOMEM; | |
3225 | ||
3226 | memset(qib_param_field, 0, QDIO_MAX_BUFFERS_PER_Q * sizeof(char)); | |
3227 | ||
3228 | qeth_create_qib_param_field(card, qib_param_field); | |
3229 | qeth_create_qib_param_field_blkt(card, qib_param_field); | |
3230 | ||
3231 | in_sbal_ptrs = kmalloc(QDIO_MAX_BUFFERS_PER_Q * sizeof(void *), | |
3232 | GFP_KERNEL); | |
3233 | if (!in_sbal_ptrs) { | |
3234 | kfree(qib_param_field); | |
3235 | return -ENOMEM; | |
3236 | } | |
3237 | for(i = 0; i < QDIO_MAX_BUFFERS_PER_Q; ++i) | |
3238 | in_sbal_ptrs[i] = (struct qdio_buffer *) | |
3239 | virt_to_phys(card->qdio.in_q->bufs[i].buffer); | |
3240 | ||
3241 | out_sbal_ptrs = | |
3242 | kmalloc(card->qdio.no_out_queues * QDIO_MAX_BUFFERS_PER_Q * | |
3243 | sizeof(void *), GFP_KERNEL); | |
3244 | if (!out_sbal_ptrs) { | |
3245 | kfree(in_sbal_ptrs); | |
3246 | kfree(qib_param_field); | |
3247 | return -ENOMEM; | |
3248 | } | |
3249 | for(i = 0, k = 0; i < card->qdio.no_out_queues; ++i) | |
3250 | for(j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j, ++k){ | |
3251 | out_sbal_ptrs[k] = (struct qdio_buffer *) | |
3252 | virt_to_phys(card->qdio.out_qs[i]-> | |
3253 | bufs[j].buffer); | |
3254 | } | |
3255 | ||
3256 | memset(&init_data, 0, sizeof(struct qdio_initialize)); | |
3257 | init_data.cdev = CARD_DDEV(card); | |
3258 | init_data.q_format = qeth_get_qdio_q_format(card); | |
3259 | init_data.qib_param_field_format = 0; | |
3260 | init_data.qib_param_field = qib_param_field; | |
3261 | init_data.min_input_threshold = QETH_MIN_INPUT_THRESHOLD; | |
3262 | init_data.max_input_threshold = QETH_MAX_INPUT_THRESHOLD; | |
3263 | init_data.min_output_threshold = QETH_MIN_OUTPUT_THRESHOLD; | |
3264 | init_data.max_output_threshold = QETH_MAX_OUTPUT_THRESHOLD; | |
3265 | init_data.no_input_qs = 1; | |
3266 | init_data.no_output_qs = card->qdio.no_out_queues; | |
3267 | init_data.input_handler = (qdio_handler_t *) | |
3268 | qeth_qdio_input_handler; | |
3269 | init_data.output_handler = (qdio_handler_t *) | |
3270 | qeth_qdio_output_handler; | |
3271 | init_data.int_parm = (unsigned long) card; | |
3272 | init_data.flags = QDIO_INBOUND_0COPY_SBALS | | |
3273 | QDIO_OUTBOUND_0COPY_SBALS | | |
3274 | QDIO_USE_OUTBOUND_PCIS; | |
3275 | init_data.input_sbal_addr_array = (void **) in_sbal_ptrs; | |
3276 | init_data.output_sbal_addr_array = (void **) out_sbal_ptrs; | |
3277 | ||
3278 | if (!(rc = qdio_initialize(&init_data))) | |
3279 | card->qdio.state = QETH_QDIO_ESTABLISHED; | |
3280 | ||
3281 | kfree(out_sbal_ptrs); | |
3282 | kfree(in_sbal_ptrs); | |
3283 | kfree(qib_param_field); | |
3284 | return rc; | |
3285 | } | |
3286 | ||
3287 | static int | |
3288 | qeth_qdio_activate(struct qeth_card *card) | |
3289 | { | |
3290 | QETH_DBF_TEXT(setup,3,"qdioact"); | |
3291 | return qdio_activate(CARD_DDEV(card), 0); | |
3292 | } | |
3293 | ||
3294 | static int | |
3295 | qeth_clear_channel(struct qeth_channel *channel) | |
3296 | { | |
3297 | unsigned long flags; | |
3298 | struct qeth_card *card; | |
3299 | int rc; | |
3300 | ||
3301 | QETH_DBF_TEXT(trace,3,"clearch"); | |
3302 | card = CARD_FROM_CDEV(channel->ccwdev); | |
3303 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
3304 | rc = ccw_device_clear(channel->ccwdev, QETH_CLEAR_CHANNEL_PARM); | |
3305 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
3306 | ||
3307 | if (rc) | |
3308 | return rc; | |
3309 | rc = wait_event_interruptible_timeout(card->wait_q, | |
3310 | channel->state==CH_STATE_STOPPED, QETH_TIMEOUT); | |
3311 | if (rc == -ERESTARTSYS) | |
3312 | return rc; | |
3313 | if (channel->state != CH_STATE_STOPPED) | |
3314 | return -ETIME; | |
3315 | channel->state = CH_STATE_DOWN; | |
3316 | return 0; | |
3317 | } | |
3318 | ||
3319 | static int | |
3320 | qeth_halt_channel(struct qeth_channel *channel) | |
3321 | { | |
3322 | unsigned long flags; | |
3323 | struct qeth_card *card; | |
3324 | int rc; | |
3325 | ||
3326 | QETH_DBF_TEXT(trace,3,"haltch"); | |
3327 | card = CARD_FROM_CDEV(channel->ccwdev); | |
3328 | spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); | |
3329 | rc = ccw_device_halt(channel->ccwdev, QETH_HALT_CHANNEL_PARM); | |
3330 | spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); | |
3331 | ||
3332 | if (rc) | |
3333 | return rc; | |
3334 | rc = wait_event_interruptible_timeout(card->wait_q, | |
3335 | channel->state==CH_STATE_HALTED, QETH_TIMEOUT); | |
3336 | if (rc == -ERESTARTSYS) | |
3337 | return rc; | |
3338 | if (channel->state != CH_STATE_HALTED) | |
3339 | return -ETIME; | |
3340 | return 0; | |
3341 | } | |
3342 | ||
3343 | static int | |
3344 | qeth_halt_channels(struct qeth_card *card) | |
3345 | { | |
f3d242e8 | 3346 | int rc1 = 0, rc2=0, rc3 = 0; |
1da177e4 LT |
3347 | |
3348 | QETH_DBF_TEXT(trace,3,"haltchs"); | |
f3d242e8 FP |
3349 | rc1 = qeth_halt_channel(&card->read); |
3350 | rc2 = qeth_halt_channel(&card->write); | |
3351 | rc3 = qeth_halt_channel(&card->data); | |
3352 | if (rc1) | |
3353 | return rc1; | |
3354 | if (rc2) | |
3355 | return rc2; | |
3356 | return rc3; | |
1da177e4 LT |
3357 | } |
3358 | static int | |
3359 | qeth_clear_channels(struct qeth_card *card) | |
3360 | { | |
f3d242e8 | 3361 | int rc1 = 0, rc2=0, rc3 = 0; |
1da177e4 LT |
3362 | |
3363 | QETH_DBF_TEXT(trace,3,"clearchs"); | |
f3d242e8 FP |
3364 | rc1 = qeth_clear_channel(&card->read); |
3365 | rc2 = qeth_clear_channel(&card->write); | |
3366 | rc3 = qeth_clear_channel(&card->data); | |
3367 | if (rc1) | |
3368 | return rc1; | |
3369 | if (rc2) | |
3370 | return rc2; | |
3371 | return rc3; | |
1da177e4 LT |
3372 | } |
3373 | ||
3374 | static int | |
3375 | qeth_clear_halt_card(struct qeth_card *card, int halt) | |
3376 | { | |
3377 | int rc = 0; | |
3378 | ||
3379 | QETH_DBF_TEXT(trace,3,"clhacrd"); | |
3380 | QETH_DBF_HEX(trace, 3, &card, sizeof(void *)); | |
3381 | ||
3382 | if (halt) | |
3383 | rc = qeth_halt_channels(card); | |
3384 | if (rc) | |
3385 | return rc; | |
3386 | return qeth_clear_channels(card); | |
3387 | } | |
3388 | ||
3389 | static int | |
3390 | qeth_qdio_clear_card(struct qeth_card *card, int use_halt) | |
3391 | { | |
3392 | int rc = 0; | |
3393 | ||
3394 | QETH_DBF_TEXT(trace,3,"qdioclr"); | |
3395 | if (card->qdio.state == QETH_QDIO_ESTABLISHED){ | |
3396 | if ((rc = qdio_cleanup(CARD_DDEV(card), | |
3397 | (card->info.type == QETH_CARD_TYPE_IQD) ? | |
3398 | QDIO_FLAG_CLEANUP_USING_HALT : | |
3399 | QDIO_FLAG_CLEANUP_USING_CLEAR))) | |
3400 | QETH_DBF_TEXT_(trace, 3, "1err%d", rc); | |
3401 | card->qdio.state = QETH_QDIO_ALLOCATED; | |
3402 | } | |
3403 | if ((rc = qeth_clear_halt_card(card, use_halt))) | |
3404 | QETH_DBF_TEXT_(trace, 3, "2err%d", rc); | |
3405 | card->state = CARD_STATE_DOWN; | |
3406 | return rc; | |
3407 | } | |
3408 | ||
3409 | static int | |
3410 | qeth_dm_act(struct qeth_card *card) | |
3411 | { | |
3412 | int rc; | |
3413 | struct qeth_cmd_buffer *iob; | |
3414 | ||
3415 | QETH_DBF_TEXT(setup,2,"dmact"); | |
3416 | ||
3417 | iob = qeth_wait_for_buffer(&card->write); | |
3418 | memcpy(iob->data, DM_ACT, DM_ACT_SIZE); | |
3419 | ||
3420 | memcpy(QETH_DM_ACT_DEST_ADDR(iob->data), | |
3421 | &card->token.cm_connection_r, QETH_MPC_TOKEN_LENGTH); | |
3422 | memcpy(QETH_DM_ACT_CONNECTION_TOKEN(iob->data), | |
3423 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
3424 | rc = qeth_send_control_data(card, DM_ACT_SIZE, iob, NULL, NULL); | |
3425 | return rc; | |
3426 | } | |
3427 | ||
3428 | static int | |
3429 | qeth_mpc_initialize(struct qeth_card *card) | |
3430 | { | |
3431 | int rc; | |
3432 | ||
3433 | QETH_DBF_TEXT(setup,2,"mpcinit"); | |
3434 | ||
3435 | if ((rc = qeth_issue_next_read(card))){ | |
3436 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
3437 | return rc; | |
3438 | } | |
3439 | if ((rc = qeth_cm_enable(card))){ | |
3440 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
f3d242e8 | 3441 | goto out_qdio; |
1da177e4 LT |
3442 | } |
3443 | if ((rc = qeth_cm_setup(card))){ | |
3444 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
f3d242e8 | 3445 | goto out_qdio; |
1da177e4 LT |
3446 | } |
3447 | if ((rc = qeth_ulp_enable(card))){ | |
3448 | QETH_DBF_TEXT_(setup, 2, "4err%d", rc); | |
f3d242e8 | 3449 | goto out_qdio; |
1da177e4 LT |
3450 | } |
3451 | if ((rc = qeth_ulp_setup(card))){ | |
3452 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
f3d242e8 | 3453 | goto out_qdio; |
1da177e4 LT |
3454 | } |
3455 | if ((rc = qeth_alloc_qdio_buffers(card))){ | |
3456 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
f3d242e8 | 3457 | goto out_qdio; |
1da177e4 LT |
3458 | } |
3459 | if ((rc = qeth_qdio_establish(card))){ | |
3460 | QETH_DBF_TEXT_(setup, 2, "6err%d", rc); | |
3461 | qeth_free_qdio_buffers(card); | |
3462 | goto out_qdio; | |
3463 | } | |
3464 | if ((rc = qeth_qdio_activate(card))){ | |
3465 | QETH_DBF_TEXT_(setup, 2, "7err%d", rc); | |
3466 | goto out_qdio; | |
3467 | } | |
3468 | if ((rc = qeth_dm_act(card))){ | |
3469 | QETH_DBF_TEXT_(setup, 2, "8err%d", rc); | |
3470 | goto out_qdio; | |
3471 | } | |
3472 | ||
3473 | return 0; | |
3474 | out_qdio: | |
3475 | qeth_qdio_clear_card(card, card->info.type==QETH_CARD_TYPE_OSAE); | |
3476 | return rc; | |
3477 | } | |
3478 | ||
3479 | static struct net_device * | |
3480 | qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype) | |
3481 | { | |
3482 | struct net_device *dev = NULL; | |
3483 | ||
3484 | switch (type) { | |
3485 | case QETH_CARD_TYPE_OSAE: | |
3486 | switch (linktype) { | |
3487 | case QETH_LINK_TYPE_LANE_TR: | |
3488 | case QETH_LINK_TYPE_HSTR: | |
3489 | #ifdef CONFIG_TR | |
3490 | dev = alloc_trdev(0); | |
3491 | #endif /* CONFIG_TR */ | |
3492 | break; | |
3493 | default: | |
3494 | dev = alloc_etherdev(0); | |
3495 | } | |
3496 | break; | |
3497 | case QETH_CARD_TYPE_IQD: | |
3498 | dev = alloc_netdev(0, "hsi%d", ether_setup); | |
3499 | break; | |
3500 | default: | |
3501 | dev = alloc_etherdev(0); | |
3502 | } | |
3503 | return dev; | |
3504 | } | |
3505 | ||
3506 | /*hard_header fake function; used in case fake_ll is set */ | |
3507 | static int | |
3508 | qeth_fake_header(struct sk_buff *skb, struct net_device *dev, | |
3509 | unsigned short type, void *daddr, void *saddr, | |
3510 | unsigned len) | |
3511 | { | |
e23dd9cd FP |
3512 | if(dev->type == ARPHRD_IEEE802_TR){ |
3513 | struct trh_hdr *hdr; | |
3514 | hdr = (struct trh_hdr *)skb_push(skb, QETH_FAKE_LL_LEN_TR); | |
3515 | memcpy(hdr->saddr, dev->dev_addr, TR_ALEN); | |
3516 | memcpy(hdr->daddr, "FAKELL", TR_ALEN); | |
3517 | return QETH_FAKE_LL_LEN_TR; | |
3518 | ||
3519 | } else { | |
3520 | struct ethhdr *hdr; | |
3521 | hdr = (struct ethhdr *)skb_push(skb, QETH_FAKE_LL_LEN_ETH); | |
3522 | memcpy(hdr->h_source, dev->dev_addr, ETH_ALEN); | |
3523 | memcpy(hdr->h_dest, "FAKELL", ETH_ALEN); | |
3524 | if (type != ETH_P_802_3) | |
3525 | hdr->h_proto = htons(type); | |
3526 | else | |
3527 | hdr->h_proto = htons(len); | |
3528 | return QETH_FAKE_LL_LEN_ETH; | |
1da177e4 | 3529 | |
e23dd9cd | 3530 | } |
1da177e4 LT |
3531 | } |
3532 | ||
3533 | static inline int | |
3534 | qeth_send_packet(struct qeth_card *, struct sk_buff *); | |
3535 | ||
3536 | static int | |
3537 | qeth_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
3538 | { | |
3539 | int rc; | |
3540 | struct qeth_card *card; | |
3541 | ||
3542 | QETH_DBF_TEXT(trace, 6, "hrdstxmi"); | |
3543 | card = (struct qeth_card *)dev->priv; | |
3544 | if (skb==NULL) { | |
3545 | card->stats.tx_dropped++; | |
3546 | card->stats.tx_errors++; | |
3547 | /* return OK; otherwise ksoftirqd goes to 100% */ | |
3548 | return NETDEV_TX_OK; | |
3549 | } | |
3550 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
3551 | card->stats.tx_dropped++; | |
3552 | card->stats.tx_errors++; | |
3553 | card->stats.tx_carrier_errors++; | |
3554 | dev_kfree_skb_any(skb); | |
3555 | /* return OK; otherwise ksoftirqd goes to 100% */ | |
3556 | return NETDEV_TX_OK; | |
3557 | } | |
3558 | #ifdef CONFIG_QETH_PERF_STATS | |
3559 | card->perf_stats.outbound_cnt++; | |
3560 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
3561 | #endif | |
3562 | netif_stop_queue(dev); | |
3563 | if ((rc = qeth_send_packet(card, skb))) { | |
3564 | if (rc == -EBUSY) { | |
3565 | return NETDEV_TX_BUSY; | |
3566 | } else { | |
3567 | card->stats.tx_errors++; | |
3568 | card->stats.tx_dropped++; | |
3569 | dev_kfree_skb_any(skb); | |
3570 | /*set to OK; otherwise ksoftirqd goes to 100% */ | |
3571 | rc = NETDEV_TX_OK; | |
3572 | } | |
3573 | } | |
3574 | netif_wake_queue(dev); | |
3575 | #ifdef CONFIG_QETH_PERF_STATS | |
3576 | card->perf_stats.outbound_time += qeth_get_micros() - | |
3577 | card->perf_stats.outbound_start_time; | |
3578 | #endif | |
3579 | return rc; | |
3580 | } | |
3581 | ||
3582 | static int | |
3583 | qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card) | |
3584 | { | |
3585 | int rc = 0; | |
3586 | #ifdef CONFIG_QETH_VLAN | |
3587 | struct vlan_group *vg; | |
3588 | int i; | |
3589 | ||
3590 | if (!(vg = card->vlangrp)) | |
3591 | return rc; | |
3592 | ||
3593 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++){ | |
3594 | if (vg->vlan_devices[i] == dev){ | |
3595 | rc = QETH_VLAN_CARD; | |
3596 | break; | |
3597 | } | |
3598 | } | |
3599 | #endif | |
3600 | return rc; | |
3601 | } | |
3602 | ||
3603 | static int | |
3604 | qeth_verify_dev(struct net_device *dev) | |
3605 | { | |
3606 | struct qeth_card *card; | |
3607 | unsigned long flags; | |
3608 | int rc = 0; | |
3609 | ||
3610 | read_lock_irqsave(&qeth_card_list.rwlock, flags); | |
3611 | list_for_each_entry(card, &qeth_card_list.list, list){ | |
3612 | if (card->dev == dev){ | |
3613 | rc = QETH_REAL_CARD; | |
3614 | break; | |
3615 | } | |
3616 | rc = qeth_verify_vlan_dev(dev, card); | |
3617 | if (rc) | |
3618 | break; | |
3619 | } | |
3620 | read_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
3621 | ||
3622 | return rc; | |
3623 | } | |
3624 | ||
3625 | static struct qeth_card * | |
3626 | qeth_get_card_from_dev(struct net_device *dev) | |
3627 | { | |
3628 | struct qeth_card *card = NULL; | |
3629 | int rc; | |
3630 | ||
3631 | rc = qeth_verify_dev(dev); | |
3632 | if (rc == QETH_REAL_CARD) | |
3633 | card = (struct qeth_card *)dev->priv; | |
3634 | else if (rc == QETH_VLAN_CARD) | |
3635 | card = (struct qeth_card *) | |
3636 | VLAN_DEV_INFO(dev)->real_dev->priv; | |
3637 | ||
3638 | QETH_DBF_TEXT_(trace, 4, "%d", rc); | |
3639 | return card ; | |
3640 | } | |
3641 | ||
3642 | static void | |
3643 | qeth_tx_timeout(struct net_device *dev) | |
3644 | { | |
3645 | struct qeth_card *card; | |
3646 | ||
3647 | card = (struct qeth_card *) dev->priv; | |
3648 | card->stats.tx_errors++; | |
3649 | qeth_schedule_recovery(card); | |
3650 | } | |
3651 | ||
3652 | static int | |
3653 | qeth_open(struct net_device *dev) | |
3654 | { | |
3655 | struct qeth_card *card; | |
3656 | ||
3657 | QETH_DBF_TEXT(trace, 4, "qethopen"); | |
3658 | ||
3659 | card = (struct qeth_card *) dev->priv; | |
3660 | ||
3661 | if (card->state != CARD_STATE_SOFTSETUP) | |
3662 | return -ENODEV; | |
3663 | ||
3664 | if ( (card->options.layer2) && | |
3665 | (!card->info.layer2_mac_registered)) { | |
3666 | QETH_DBF_TEXT(trace,4,"nomacadr"); | |
3667 | return -EPERM; | |
3668 | } | |
3669 | card->dev->flags |= IFF_UP; | |
3670 | netif_start_queue(dev); | |
3671 | card->data.state = CH_STATE_UP; | |
3672 | card->state = CARD_STATE_UP; | |
3673 | ||
3674 | if (!card->lan_online){ | |
3675 | if (netif_carrier_ok(dev)) | |
3676 | netif_carrier_off(dev); | |
3677 | } | |
3678 | return 0; | |
3679 | } | |
3680 | ||
3681 | static int | |
3682 | qeth_stop(struct net_device *dev) | |
3683 | { | |
3684 | struct qeth_card *card; | |
3685 | ||
3686 | QETH_DBF_TEXT(trace, 4, "qethstop"); | |
3687 | ||
3688 | card = (struct qeth_card *) dev->priv; | |
3689 | ||
3690 | netif_stop_queue(dev); | |
3691 | card->dev->flags &= ~IFF_UP; | |
3692 | if (card->state == CARD_STATE_UP) | |
3693 | card->state = CARD_STATE_SOFTSETUP; | |
3694 | return 0; | |
3695 | } | |
3696 | ||
3697 | static inline int | |
3698 | qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) | |
3699 | { | |
3700 | int cast_type = RTN_UNSPEC; | |
3701 | ||
3702 | if (skb->dst && skb->dst->neighbour){ | |
3703 | cast_type = skb->dst->neighbour->type; | |
3704 | if ((cast_type == RTN_BROADCAST) || | |
3705 | (cast_type == RTN_MULTICAST) || | |
3706 | (cast_type == RTN_ANYCAST)) | |
3707 | return cast_type; | |
3708 | else | |
3709 | return RTN_UNSPEC; | |
3710 | } | |
3711 | /* try something else */ | |
3712 | if (skb->protocol == ETH_P_IPV6) | |
3713 | return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0; | |
3714 | else if (skb->protocol == ETH_P_IP) | |
3715 | return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0; | |
3716 | /* ... */ | |
3717 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
3718 | return RTN_BROADCAST; | |
3719 | else { | |
3720 | u16 hdr_mac; | |
3721 | ||
3722 | hdr_mac = *((u16 *)skb->data); | |
3723 | /* tr multicast? */ | |
3724 | switch (card->info.link_type) { | |
3725 | case QETH_LINK_TYPE_HSTR: | |
3726 | case QETH_LINK_TYPE_LANE_TR: | |
3727 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
3728 | (hdr_mac == QETH_TR_MAC_C)) | |
3729 | return RTN_MULTICAST; | |
3730 | /* eth or so multicast? */ | |
3731 | default: | |
3732 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
3733 | (hdr_mac == QETH_ETH_MAC_V6)) | |
3734 | return RTN_MULTICAST; | |
3735 | } | |
3736 | } | |
3737 | return cast_type; | |
3738 | } | |
3739 | ||
3740 | static inline int | |
3741 | qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, | |
3742 | int ipv, int cast_type) | |
3743 | { | |
3744 | if (!ipv && (card->info.type == QETH_CARD_TYPE_OSAE)) | |
3745 | return card->qdio.default_out_queue; | |
3746 | switch (card->qdio.no_out_queues) { | |
3747 | case 4: | |
3748 | if (cast_type && card->info.is_multicast_different) | |
3749 | return card->info.is_multicast_different & | |
3750 | (card->qdio.no_out_queues - 1); | |
3751 | if (card->qdio.do_prio_queueing && (ipv == 4)) { | |
3752 | if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_TOS){ | |
3753 | if (skb->nh.iph->tos & IP_TOS_NOTIMPORTANT) | |
3754 | return 3; | |
3755 | if (skb->nh.iph->tos & IP_TOS_HIGHRELIABILITY) | |
3756 | return 2; | |
3757 | if (skb->nh.iph->tos & IP_TOS_HIGHTHROUGHPUT) | |
3758 | return 1; | |
3759 | if (skb->nh.iph->tos & IP_TOS_LOWDELAY) | |
3760 | return 0; | |
3761 | } | |
3762 | if (card->qdio.do_prio_queueing==QETH_PRIO_Q_ING_PREC) | |
3763 | return 3 - (skb->nh.iph->tos >> 6); | |
3764 | } else if (card->qdio.do_prio_queueing && (ipv == 6)) { | |
3765 | /* TODO: IPv6!!! */ | |
3766 | } | |
3767 | return card->qdio.default_out_queue; | |
3768 | case 1: /* fallthrough for single-out-queue 1920-device */ | |
3769 | default: | |
3770 | return card->qdio.default_out_queue; | |
3771 | } | |
3772 | } | |
3773 | ||
3774 | static inline int | |
3775 | qeth_get_ip_version(struct sk_buff *skb) | |
3776 | { | |
3777 | switch (skb->protocol) { | |
3778 | case ETH_P_IPV6: | |
3779 | return 6; | |
3780 | case ETH_P_IP: | |
3781 | return 4; | |
3782 | default: | |
3783 | return 0; | |
3784 | } | |
3785 | } | |
3786 | ||
3787 | static inline int | |
3788 | qeth_prepare_skb(struct qeth_card *card, struct sk_buff **skb, | |
3789 | struct qeth_hdr **hdr, int ipv) | |
3790 | { | |
9cb90de8 | 3791 | int rc; |
1da177e4 LT |
3792 | #ifdef CONFIG_QETH_VLAN |
3793 | u16 *tag; | |
3794 | #endif | |
3795 | ||
3796 | QETH_DBF_TEXT(trace, 6, "prepskb"); | |
3797 | ||
9cb90de8 FP |
3798 | rc = qeth_realloc_headroom(card, skb, sizeof(struct qeth_hdr)); |
3799 | if (rc) | |
3800 | return rc; | |
1da177e4 LT |
3801 | #ifdef CONFIG_QETH_VLAN |
3802 | if (card->vlangrp && vlan_tx_tag_present(*skb) && | |
3803 | ((ipv == 6) || card->options.layer2) ) { | |
3804 | /* | |
3805 | * Move the mac addresses (6 bytes src, 6 bytes dest) | |
3806 | * to the beginning of the new header. We are using three | |
3807 | * memcpys instead of one memmove to save cycles. | |
3808 | */ | |
3809 | skb_push(*skb, VLAN_HLEN); | |
3810 | memcpy((*skb)->data, (*skb)->data + 4, 4); | |
3811 | memcpy((*skb)->data + 4, (*skb)->data + 8, 4); | |
3812 | memcpy((*skb)->data + 8, (*skb)->data + 12, 4); | |
3813 | tag = (u16 *)((*skb)->data + 12); | |
3814 | /* | |
3815 | * first two bytes = ETH_P_8021Q (0x8100) | |
3816 | * second two bytes = VLANID | |
3817 | */ | |
3818 | *tag = __constant_htons(ETH_P_8021Q); | |
3819 | *(tag + 1) = htons(vlan_tx_tag_get(*skb)); | |
3820 | } | |
3821 | #endif | |
3822 | *hdr = (struct qeth_hdr *) | |
3823 | qeth_push_skb(card, skb, sizeof(struct qeth_hdr)); | |
3824 | if (hdr == NULL) | |
3825 | return -EINVAL; | |
3826 | return 0; | |
3827 | } | |
3828 | ||
3829 | static inline u8 | |
3830 | qeth_get_qeth_hdr_flags4(int cast_type) | |
3831 | { | |
3832 | if (cast_type == RTN_MULTICAST) | |
3833 | return QETH_CAST_MULTICAST; | |
3834 | if (cast_type == RTN_BROADCAST) | |
3835 | return QETH_CAST_BROADCAST; | |
3836 | return QETH_CAST_UNICAST; | |
3837 | } | |
3838 | ||
3839 | static inline u8 | |
3840 | qeth_get_qeth_hdr_flags6(int cast_type) | |
3841 | { | |
3842 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
3843 | if (cast_type == RTN_MULTICAST) | |
3844 | return ct | QETH_CAST_MULTICAST; | |
3845 | if (cast_type == RTN_ANYCAST) | |
3846 | return ct | QETH_CAST_ANYCAST; | |
3847 | if (cast_type == RTN_BROADCAST) | |
3848 | return ct | QETH_CAST_BROADCAST; | |
3849 | return ct | QETH_CAST_UNICAST; | |
3850 | } | |
3851 | ||
3852 | static inline void | |
3853 | qeth_layer2_get_packet_type(struct qeth_card *card, struct qeth_hdr *hdr, | |
3854 | struct sk_buff *skb) | |
3855 | { | |
3856 | __u16 hdr_mac; | |
3857 | ||
3858 | if (!memcmp(skb->data+QETH_HEADER_SIZE, | |
3859 | skb->dev->broadcast,6)) { /* broadcast? */ | |
3860 | *(__u32 *)hdr->hdr.l2.flags |= | |
3861 | QETH_LAYER2_FLAG_BROADCAST << 8; | |
3862 | return; | |
3863 | } | |
3864 | hdr_mac=*((__u16*)skb->data); | |
3865 | /* tr multicast? */ | |
3866 | switch (card->info.link_type) { | |
3867 | case QETH_LINK_TYPE_HSTR: | |
3868 | case QETH_LINK_TYPE_LANE_TR: | |
3869 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
3870 | (hdr_mac == QETH_TR_MAC_C) ) | |
3871 | *(__u32 *)hdr->hdr.l2.flags |= | |
3872 | QETH_LAYER2_FLAG_MULTICAST << 8; | |
3873 | else | |
3874 | *(__u32 *)hdr->hdr.l2.flags |= | |
3875 | QETH_LAYER2_FLAG_UNICAST << 8; | |
3876 | break; | |
3877 | /* eth or so multicast? */ | |
3878 | default: | |
3879 | if ( (hdr_mac==QETH_ETH_MAC_V4) || | |
3880 | (hdr_mac==QETH_ETH_MAC_V6) ) | |
3881 | *(__u32 *)hdr->hdr.l2.flags |= | |
3882 | QETH_LAYER2_FLAG_MULTICAST << 8; | |
3883 | else | |
3884 | *(__u32 *)hdr->hdr.l2.flags |= | |
3885 | QETH_LAYER2_FLAG_UNICAST << 8; | |
3886 | } | |
3887 | } | |
3888 | ||
3889 | static inline void | |
3890 | qeth_layer2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, | |
3891 | struct sk_buff *skb, int cast_type) | |
3892 | { | |
3893 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
3894 | hdr->hdr.l2.id = QETH_HEADER_TYPE_LAYER2; | |
3895 | ||
3896 | /* set byte 0 to "0x02" and byte 3 to casting flags */ | |
3897 | if (cast_type==RTN_MULTICAST) | |
3898 | *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_MULTICAST << 8; | |
3899 | else if (cast_type==RTN_BROADCAST) | |
3900 | *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_BROADCAST << 8; | |
3901 | else | |
3902 | qeth_layer2_get_packet_type(card, hdr, skb); | |
3903 | ||
3904 | hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; | |
3905 | #ifdef CONFIG_QETH_VLAN | |
3906 | /* VSWITCH relies on the VLAN | |
3907 | * information to be present in | |
3908 | * the QDIO header */ | |
3909 | if ((card->vlangrp != NULL) && | |
3910 | vlan_tx_tag_present(skb)) { | |
3911 | *(__u32 *)hdr->hdr.l2.flags |= QETH_LAYER2_FLAG_VLAN << 8; | |
3912 | hdr->hdr.l2.vlan_id = vlan_tx_tag_get(skb); | |
3913 | } | |
3914 | #endif | |
3915 | } | |
3916 | ||
3917 | void | |
3918 | qeth_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, | |
3919 | struct sk_buff *skb, int ipv, int cast_type) | |
3920 | { | |
3921 | QETH_DBF_TEXT(trace, 6, "fillhdr"); | |
3922 | ||
3923 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
3924 | if (card->options.layer2) { | |
3925 | qeth_layer2_fill_header(card, hdr, skb, cast_type); | |
3926 | return; | |
3927 | } | |
3928 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
3929 | hdr->hdr.l3.ext_flags = 0; | |
3930 | #ifdef CONFIG_QETH_VLAN | |
3931 | /* | |
3932 | * before we're going to overwrite this location with next hop ip. | |
3933 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
3934 | */ | |
3935 | if (card->vlangrp && vlan_tx_tag_present(skb)) { | |
3936 | hdr->hdr.l3.ext_flags = (ipv == 4) ? | |
3937 | QETH_HDR_EXT_VLAN_FRAME : | |
3938 | QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
3939 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); | |
3940 | } | |
3941 | #endif /* CONFIG_QETH_VLAN */ | |
3942 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
3943 | if (ipv == 4) { /* IPv4 */ | |
3944 | hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags4(cast_type); | |
3945 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
3946 | if ((skb->dst) && (skb->dst->neighbour)) { | |
3947 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = | |
3948 | *((u32 *) skb->dst->neighbour->primary_key); | |
3949 | } else { | |
3950 | /* fill in destination address used in ip header */ | |
3951 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = skb->nh.iph->daddr; | |
3952 | } | |
3953 | } else if (ipv == 6) { /* IPv6 or passthru */ | |
3954 | hdr->hdr.l3.flags = qeth_get_qeth_hdr_flags6(cast_type); | |
3955 | if ((skb->dst) && (skb->dst->neighbour)) { | |
3956 | memcpy(hdr->hdr.l3.dest_addr, | |
3957 | skb->dst->neighbour->primary_key, 16); | |
3958 | } else { | |
3959 | /* fill in destination address used in ip header */ | |
3960 | memcpy(hdr->hdr.l3.dest_addr, &skb->nh.ipv6h->daddr, 16); | |
3961 | } | |
3962 | } else { /* passthrough */ | |
e23dd9cd | 3963 | if((skb->dev->type == ARPHRD_IEEE802_TR) && |
9a455819 FP |
3964 | !memcmp(skb->data + sizeof(struct qeth_hdr) + |
3965 | sizeof(__u16), skb->dev->broadcast, 6)) { | |
3966 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
3967 | QETH_HDR_PASSTHRU; | |
e23dd9cd | 3968 | } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), |
1da177e4 | 3969 | skb->dev->broadcast, 6)) { /* broadcast? */ |
e23dd9cd FP |
3970 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | |
3971 | QETH_HDR_PASSTHRU; | |
1da177e4 LT |
3972 | } else { |
3973 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
3974 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
3975 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
3976 | } | |
3977 | } | |
3978 | } | |
3979 | ||
1da177e4 LT |
3980 | static inline void |
3981 | __qeth_fill_buffer(struct sk_buff *skb, struct qdio_buffer *buffer, | |
05e08a2a | 3982 | int is_tso, int *next_element_to_fill) |
1da177e4 LT |
3983 | { |
3984 | int length = skb->len; | |
3985 | int length_here; | |
3986 | int element; | |
3987 | char *data; | |
05e08a2a | 3988 | int first_lap ; |
1da177e4 LT |
3989 | |
3990 | element = *next_element_to_fill; | |
3991 | data = skb->data; | |
05e08a2a FP |
3992 | first_lap = (is_tso == 0 ? 1 : 0); |
3993 | ||
1da177e4 LT |
3994 | while (length > 0) { |
3995 | /* length_here is the remaining amount of data in this page */ | |
3996 | length_here = PAGE_SIZE - ((unsigned long) data % PAGE_SIZE); | |
3997 | if (length < length_here) | |
3998 | length_here = length; | |
05e08a2a | 3999 | |
1da177e4 LT |
4000 | buffer->element[element].addr = data; |
4001 | buffer->element[element].length = length_here; | |
4002 | length -= length_here; | |
05e08a2a | 4003 | if (!length) { |
1da177e4 LT |
4004 | if (first_lap) |
4005 | buffer->element[element].flags = 0; | |
4006 | else | |
4007 | buffer->element[element].flags = | |
4008 | SBAL_FLAGS_LAST_FRAG; | |
4009 | } else { | |
4010 | if (first_lap) | |
4011 | buffer->element[element].flags = | |
4012 | SBAL_FLAGS_FIRST_FRAG; | |
4013 | else | |
4014 | buffer->element[element].flags = | |
4015 | SBAL_FLAGS_MIDDLE_FRAG; | |
4016 | } | |
4017 | data += length_here; | |
4018 | element++; | |
4019 | first_lap = 0; | |
4020 | } | |
4021 | *next_element_to_fill = element; | |
4022 | } | |
4023 | ||
4024 | static inline int | |
4025 | qeth_fill_buffer(struct qeth_qdio_out_q *queue, | |
4026 | struct qeth_qdio_out_buffer *buf, | |
4027 | struct sk_buff *skb) | |
4028 | { | |
4029 | struct qdio_buffer *buffer; | |
05e08a2a FP |
4030 | struct qeth_hdr_tso *hdr; |
4031 | int flush_cnt = 0, hdr_len, large_send = 0; | |
1da177e4 LT |
4032 | |
4033 | QETH_DBF_TEXT(trace, 6, "qdfillbf"); | |
05e08a2a | 4034 | |
1da177e4 LT |
4035 | buffer = buf->buffer; |
4036 | atomic_inc(&skb->users); | |
4037 | skb_queue_tail(&buf->skb_list, skb); | |
05e08a2a FP |
4038 | |
4039 | hdr = (struct qeth_hdr_tso *) skb->data; | |
4040 | /*check first on TSO ....*/ | |
4041 | if (hdr->hdr.hdr.l3.id == QETH_HEADER_TYPE_TSO) { | |
4042 | int element = buf->next_element_to_fill; | |
4043 | ||
4044 | hdr_len = sizeof(struct qeth_hdr_tso) + hdr->ext.dg_hdr_len; | |
4045 | /*fill first buffer entry only with header information */ | |
4046 | buffer->element[element].addr = skb->data; | |
4047 | buffer->element[element].length = hdr_len; | |
4048 | buffer->element[element].flags = SBAL_FLAGS_FIRST_FRAG; | |
4049 | buf->next_element_to_fill++; | |
4050 | skb->data += hdr_len; | |
4051 | skb->len -= hdr_len; | |
4052 | large_send = 1; | |
4053 | } | |
1da177e4 | 4054 | if (skb_shinfo(skb)->nr_frags == 0) |
05e08a2a | 4055 | __qeth_fill_buffer(skb, buffer, large_send, |
1da177e4 LT |
4056 | (int *)&buf->next_element_to_fill); |
4057 | else | |
05e08a2a | 4058 | __qeth_fill_buffer_frag(skb, buffer, large_send, |
1da177e4 LT |
4059 | (int *)&buf->next_element_to_fill); |
4060 | ||
4061 | if (!queue->do_pack) { | |
4062 | QETH_DBF_TEXT(trace, 6, "fillbfnp"); | |
4063 | /* set state to PRIMED -> will be flushed */ | |
4064 | atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); | |
4065 | flush_cnt = 1; | |
4066 | } else { | |
4067 | QETH_DBF_TEXT(trace, 6, "fillbfpa"); | |
4068 | #ifdef CONFIG_QETH_PERF_STATS | |
4069 | queue->card->perf_stats.skbs_sent_pack++; | |
4070 | #endif | |
4071 | if (buf->next_element_to_fill >= | |
4072 | QETH_MAX_BUFFER_ELEMENTS(queue->card)) { | |
4073 | /* | |
4074 | * packed buffer if full -> set state PRIMED | |
4075 | * -> will be flushed | |
4076 | */ | |
4077 | atomic_set(&buf->state, QETH_QDIO_BUF_PRIMED); | |
4078 | flush_cnt = 1; | |
4079 | } | |
4080 | } | |
4081 | return flush_cnt; | |
4082 | } | |
4083 | ||
4084 | static inline int | |
4085 | qeth_do_send_packet_fast(struct qeth_card *card, struct qeth_qdio_out_q *queue, | |
4086 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
4087 | int elements_needed, | |
4088 | struct qeth_eddp_context *ctx) | |
4089 | { | |
4090 | struct qeth_qdio_out_buffer *buffer; | |
4091 | int buffers_needed = 0; | |
4092 | int flush_cnt = 0; | |
4093 | int index; | |
4094 | ||
4095 | QETH_DBF_TEXT(trace, 6, "dosndpfa"); | |
4096 | ||
4097 | /* spin until we get the queue ... */ | |
4098 | while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED, | |
4099 | QETH_OUT_Q_LOCKED, | |
4100 | &queue->state)); | |
4101 | /* ... now we've got the queue */ | |
4102 | index = queue->next_buf_to_fill; | |
4103 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
4104 | /* | |
4105 | * check if buffer is empty to make sure that we do not 'overtake' | |
4106 | * ourselves and try to fill a buffer that is already primed | |
4107 | */ | |
4108 | if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY) { | |
4109 | card->stats.tx_dropped++; | |
4110 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4111 | return -EBUSY; | |
4112 | } | |
4113 | if (ctx == NULL) | |
4114 | queue->next_buf_to_fill = (queue->next_buf_to_fill + 1) % | |
4115 | QDIO_MAX_BUFFERS_PER_Q; | |
4116 | else { | |
4117 | buffers_needed = qeth_eddp_check_buffers_for_context(queue,ctx); | |
4118 | if (buffers_needed < 0) { | |
4119 | card->stats.tx_dropped++; | |
4120 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4121 | return -EBUSY; | |
4122 | } | |
4123 | queue->next_buf_to_fill = | |
4124 | (queue->next_buf_to_fill + buffers_needed) % | |
4125 | QDIO_MAX_BUFFERS_PER_Q; | |
4126 | } | |
4127 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4128 | if (ctx == NULL) { | |
4129 | qeth_fill_buffer(queue, buffer, skb); | |
4130 | qeth_flush_buffers(queue, 0, index, 1); | |
4131 | } else { | |
4132 | flush_cnt = qeth_eddp_fill_buffer(queue, ctx, index); | |
4133 | WARN_ON(buffers_needed != flush_cnt); | |
4134 | qeth_flush_buffers(queue, 0, index, flush_cnt); | |
4135 | } | |
4136 | return 0; | |
4137 | } | |
4138 | ||
4139 | static inline int | |
4140 | qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue, | |
4141 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
4142 | int elements_needed, struct qeth_eddp_context *ctx) | |
4143 | { | |
4144 | struct qeth_qdio_out_buffer *buffer; | |
4145 | int start_index; | |
4146 | int flush_count = 0; | |
4147 | int do_pack = 0; | |
4148 | int tmp; | |
4149 | int rc = 0; | |
4150 | ||
4151 | QETH_DBF_TEXT(trace, 6, "dosndpkt"); | |
4152 | ||
4153 | /* spin until we get the queue ... */ | |
4154 | while (atomic_compare_and_swap(QETH_OUT_Q_UNLOCKED, | |
4155 | QETH_OUT_Q_LOCKED, | |
4156 | &queue->state)); | |
4157 | start_index = queue->next_buf_to_fill; | |
4158 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
4159 | /* | |
4160 | * check if buffer is empty to make sure that we do not 'overtake' | |
4161 | * ourselves and try to fill a buffer that is already primed | |
4162 | */ | |
4163 | if (atomic_read(&buffer->state) != QETH_QDIO_BUF_EMPTY){ | |
4164 | card->stats.tx_dropped++; | |
4165 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4166 | return -EBUSY; | |
4167 | } | |
4168 | /* check if we need to switch packing state of this queue */ | |
4169 | qeth_switch_to_packing_if_needed(queue); | |
4170 | if (queue->do_pack){ | |
4171 | do_pack = 1; | |
4172 | if (ctx == NULL) { | |
4173 | /* does packet fit in current buffer? */ | |
4174 | if((QETH_MAX_BUFFER_ELEMENTS(card) - | |
4175 | buffer->next_element_to_fill) < elements_needed){ | |
4176 | /* ... no -> set state PRIMED */ | |
4177 | atomic_set(&buffer->state,QETH_QDIO_BUF_PRIMED); | |
4178 | flush_count++; | |
4179 | queue->next_buf_to_fill = | |
4180 | (queue->next_buf_to_fill + 1) % | |
4181 | QDIO_MAX_BUFFERS_PER_Q; | |
4182 | buffer = &queue->bufs[queue->next_buf_to_fill]; | |
4183 | /* we did a step forward, so check buffer state | |
4184 | * again */ | |
4185 | if (atomic_read(&buffer->state) != | |
4186 | QETH_QDIO_BUF_EMPTY){ | |
4187 | card->stats.tx_dropped++; | |
4188 | qeth_flush_buffers(queue, 0, start_index, flush_count); | |
4189 | atomic_set(&queue->state, QETH_OUT_Q_UNLOCKED); | |
4190 | return -EBUSY; | |
4191 | } | |
4192 | } | |
4193 | } else { | |
4194 | /* check if we have enough elements (including following | |
4195 | * free buffers) to handle eddp context */ | |
4196 | if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){ | |
4197 | printk("eddp tx_dropped 1\n"); | |
4198 | card->stats.tx_dropped++; | |
4199 | rc = -EBUSY; | |
4200 | goto out; | |
4201 | } | |
4202 | } | |
4203 | } | |
4204 | if (ctx == NULL) | |
4205 | tmp = qeth_fill_buffer(queue, buffer, skb); | |
4206 | else { | |
4207 | tmp = qeth_eddp_fill_buffer(queue,ctx,queue->next_buf_to_fill); | |
4208 | if (tmp < 0) { | |
4209 | printk("eddp tx_dropped 2\n"); | |
4210 | card->stats.tx_dropped++; | |
4211 | rc = - EBUSY; | |
4212 | goto out; | |
4213 | } | |
4214 | } | |
4215 | queue->next_buf_to_fill = (queue->next_buf_to_fill + tmp) % | |
4216 | QDIO_MAX_BUFFERS_PER_Q; | |
4217 | flush_count += tmp; | |
4218 | out: | |
4219 | if (flush_count) | |
4220 | qeth_flush_buffers(queue, 0, start_index, flush_count); | |
4221 | /* | |
4222 | * queue->state will go from LOCKED -> UNLOCKED or from | |
4223 | * LOCKED_FLUSH -> LOCKED if output_handler wanted to 'notify' us | |
4224 | * (switch packing state or flush buffer to get another pci flag out). | |
4225 | * In that case we will enter this loop | |
4226 | */ | |
4227 | while (atomic_dec_return(&queue->state)){ | |
4228 | flush_count = 0; | |
4229 | start_index = queue->next_buf_to_fill; | |
4230 | /* check if we can go back to non-packing state */ | |
4231 | flush_count += qeth_switch_to_nonpacking_if_needed(queue); | |
4232 | /* | |
4233 | * check if we need to flush a packing buffer to get a pci | |
4234 | * flag out on the queue | |
4235 | */ | |
4236 | if (!flush_count && !atomic_read(&queue->set_pci_flags_count)) | |
4237 | flush_count += qeth_flush_buffers_on_no_pci(queue); | |
4238 | if (flush_count) | |
4239 | qeth_flush_buffers(queue, 0, start_index, flush_count); | |
4240 | } | |
4241 | /* at this point the queue is UNLOCKED again */ | |
4242 | #ifdef CONFIG_QETH_PERF_STATS | |
4243 | if (do_pack) | |
4244 | queue->card->perf_stats.bufs_sent_pack += flush_count; | |
4245 | #endif /* CONFIG_QETH_PERF_STATS */ | |
4246 | ||
4247 | return rc; | |
4248 | } | |
4249 | ||
05e08a2a | 4250 | static inline int |
9cb90de8 FP |
4251 | qeth_get_elements_no(struct qeth_card *card, void *hdr, |
4252 | struct sk_buff *skb, int elems) | |
05e08a2a FP |
4253 | { |
4254 | int elements_needed = 0; | |
4255 | ||
4256 | if (skb_shinfo(skb)->nr_frags > 0) { | |
4257 | elements_needed = (skb_shinfo(skb)->nr_frags + 1); | |
4258 | } | |
4259 | if (elements_needed == 0 ) | |
4260 | elements_needed = 1 + (((((unsigned long) hdr) % PAGE_SIZE) | |
4261 | + skb->len) >> PAGE_SHIFT); | |
9cb90de8 | 4262 | if ((elements_needed + elems) > QETH_MAX_BUFFER_ELEMENTS(card)){ |
05e08a2a | 4263 | PRINT_ERR("qeth_do_send_packet: invalid size of " |
9cb90de8 FP |
4264 | "IP packet (Number=%d / Length=%d). Discarded.\n", |
4265 | (elements_needed+elems), skb->len); | |
05e08a2a FP |
4266 | return 0; |
4267 | } | |
4268 | return elements_needed; | |
4269 | } | |
4270 | ||
1da177e4 LT |
4271 | static inline int |
4272 | qeth_send_packet(struct qeth_card *card, struct sk_buff *skb) | |
4273 | { | |
4274 | int ipv = 0; | |
4275 | int cast_type; | |
4276 | struct qeth_qdio_out_q *queue; | |
f3d242e8 | 4277 | struct qeth_hdr *hdr = NULL; |
1da177e4 LT |
4278 | int elements_needed = 0; |
4279 | enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO; | |
4280 | struct qeth_eddp_context *ctx = NULL; | |
4281 | int rc; | |
4282 | ||
4283 | QETH_DBF_TEXT(trace, 6, "sendpkt"); | |
4284 | ||
4285 | if (!card->options.layer2) { | |
4286 | ipv = qeth_get_ip_version(skb); | |
4287 | if ((card->dev->hard_header == qeth_fake_header) && ipv) { | |
4288 | if ((skb = qeth_pskb_unshare(skb,GFP_ATOMIC)) == NULL) { | |
4289 | card->stats.tx_dropped++; | |
4290 | dev_kfree_skb_irq(skb); | |
4291 | return 0; | |
4292 | } | |
e23dd9cd FP |
4293 | if(card->dev->type == ARPHRD_IEEE802_TR){ |
4294 | skb_pull(skb, QETH_FAKE_LL_LEN_TR); | |
4295 | } else { | |
4296 | skb_pull(skb, QETH_FAKE_LL_LEN_ETH); | |
4297 | } | |
1da177e4 LT |
4298 | } |
4299 | } | |
4300 | cast_type = qeth_get_cast_type(card, skb); | |
4301 | if ((cast_type == RTN_BROADCAST) && (card->info.broadcast_capable == 0)){ | |
4302 | card->stats.tx_dropped++; | |
4303 | card->stats.tx_errors++; | |
4304 | dev_kfree_skb_any(skb); | |
4305 | return NETDEV_TX_OK; | |
4306 | } | |
4307 | queue = card->qdio.out_qs | |
4308 | [qeth_get_priority_queue(card, skb, ipv, cast_type)]; | |
4309 | ||
4310 | if (skb_shinfo(skb)->tso_size) | |
4311 | large_send = card->options.large_send; | |
4312 | ||
1da177e4 LT |
4313 | /*are we able to do TSO ? If so ,prepare and send it from here */ |
4314 | if ((large_send == QETH_LARGE_SEND_TSO) && | |
4315 | (cast_type == RTN_UNSPEC)) { | |
05e08a2a FP |
4316 | rc = qeth_tso_prepare_packet(card, skb, ipv, cast_type); |
4317 | if (rc) { | |
4318 | card->stats.tx_dropped++; | |
4319 | card->stats.tx_errors++; | |
4320 | dev_kfree_skb_any(skb); | |
4321 | return NETDEV_TX_OK; | |
4322 | } | |
4323 | elements_needed++; | |
4324 | } else { | |
4325 | if ((rc = qeth_prepare_skb(card, &skb, &hdr, ipv))) { | |
4326 | QETH_DBF_TEXT_(trace, 4, "pskbe%d", rc); | |
4327 | return rc; | |
4328 | } | |
4329 | qeth_fill_header(card, hdr, skb, ipv, cast_type); | |
1da177e4 LT |
4330 | } |
4331 | ||
1da177e4 LT |
4332 | if (large_send == QETH_LARGE_SEND_EDDP) { |
4333 | ctx = qeth_eddp_create_context(card, skb, hdr); | |
4334 | if (ctx == NULL) { | |
4335 | PRINT_WARN("could not create eddp context\n"); | |
4336 | return -EINVAL; | |
4337 | } | |
4338 | } else { | |
9cb90de8 FP |
4339 | int elems = qeth_get_elements_no(card,(void*) hdr, skb, |
4340 | elements_needed); | |
4341 | if (!elems) | |
1da177e4 | 4342 | return -EINVAL; |
9cb90de8 | 4343 | elements_needed += elems; |
1da177e4 LT |
4344 | } |
4345 | ||
4346 | if (card->info.type != QETH_CARD_TYPE_IQD) | |
4347 | rc = qeth_do_send_packet(card, queue, skb, hdr, | |
4348 | elements_needed, ctx); | |
4349 | else | |
4350 | rc = qeth_do_send_packet_fast(card, queue, skb, hdr, | |
4351 | elements_needed, ctx); | |
1da177e4 LT |
4352 | if (!rc){ |
4353 | card->stats.tx_packets++; | |
4354 | card->stats.tx_bytes += skb->len; | |
4355 | #ifdef CONFIG_QETH_PERF_STATS | |
05e08a2a FP |
4356 | if (skb_shinfo(skb)->tso_size && |
4357 | !(large_send == QETH_LARGE_SEND_NO)) { | |
1da177e4 LT |
4358 | card->perf_stats.large_send_bytes += skb->len; |
4359 | card->perf_stats.large_send_cnt++; | |
4360 | } | |
4361 | if (skb_shinfo(skb)->nr_frags > 0){ | |
4362 | card->perf_stats.sg_skbs_sent++; | |
4363 | /* nr_frags + skb->data */ | |
4364 | card->perf_stats.sg_frags_sent += | |
4365 | skb_shinfo(skb)->nr_frags + 1; | |
4366 | } | |
4367 | #endif /* CONFIG_QETH_PERF_STATS */ | |
4368 | } | |
4369 | if (ctx != NULL) { | |
4370 | /* drop creator's reference */ | |
4371 | qeth_eddp_put_context(ctx); | |
4372 | /* free skb; it's not referenced by a buffer */ | |
4373 | if (rc == 0) | |
4374 | dev_kfree_skb_any(skb); | |
4375 | ||
4376 | } | |
4377 | return rc; | |
4378 | } | |
4379 | ||
4380 | static int | |
4381 | qeth_mdio_read(struct net_device *dev, int phy_id, int regnum) | |
4382 | { | |
4383 | struct qeth_card *card = (struct qeth_card *) dev->priv; | |
4384 | int rc = 0; | |
4385 | ||
4386 | switch(regnum){ | |
4387 | case MII_BMCR: /* Basic mode control register */ | |
4388 | rc = BMCR_FULLDPLX; | |
4389 | if ((card->info.link_type != QETH_LINK_TYPE_GBIT_ETH)&& | |
4390 | (card->info.link_type != QETH_LINK_TYPE_10GBIT_ETH)) | |
4391 | rc |= BMCR_SPEED100; | |
4392 | break; | |
4393 | case MII_BMSR: /* Basic mode status register */ | |
4394 | rc = BMSR_ERCAP | BMSR_ANEGCOMPLETE | BMSR_LSTATUS | | |
4395 | BMSR_10HALF | BMSR_10FULL | BMSR_100HALF | BMSR_100FULL | | |
4396 | BMSR_100BASE4; | |
4397 | break; | |
4398 | case MII_PHYSID1: /* PHYS ID 1 */ | |
4399 | rc = (dev->dev_addr[0] << 16) | (dev->dev_addr[1] << 8) | | |
4400 | dev->dev_addr[2]; | |
4401 | rc = (rc >> 5) & 0xFFFF; | |
4402 | break; | |
4403 | case MII_PHYSID2: /* PHYS ID 2 */ | |
4404 | rc = (dev->dev_addr[2] << 10) & 0xFFFF; | |
4405 | break; | |
4406 | case MII_ADVERTISE: /* Advertisement control reg */ | |
4407 | rc = ADVERTISE_ALL; | |
4408 | break; | |
4409 | case MII_LPA: /* Link partner ability reg */ | |
4410 | rc = LPA_10HALF | LPA_10FULL | LPA_100HALF | LPA_100FULL | | |
4411 | LPA_100BASE4 | LPA_LPACK; | |
4412 | break; | |
4413 | case MII_EXPANSION: /* Expansion register */ | |
4414 | break; | |
4415 | case MII_DCOUNTER: /* disconnect counter */ | |
4416 | break; | |
4417 | case MII_FCSCOUNTER: /* false carrier counter */ | |
4418 | break; | |
4419 | case MII_NWAYTEST: /* N-way auto-neg test register */ | |
4420 | break; | |
4421 | case MII_RERRCOUNTER: /* rx error counter */ | |
4422 | rc = card->stats.rx_errors; | |
4423 | break; | |
4424 | case MII_SREVISION: /* silicon revision */ | |
4425 | break; | |
4426 | case MII_RESV1: /* reserved 1 */ | |
4427 | break; | |
4428 | case MII_LBRERROR: /* loopback, rx, bypass error */ | |
4429 | break; | |
4430 | case MII_PHYADDR: /* physical address */ | |
4431 | break; | |
4432 | case MII_RESV2: /* reserved 2 */ | |
4433 | break; | |
4434 | case MII_TPISTATUS: /* TPI status for 10mbps */ | |
4435 | break; | |
4436 | case MII_NCONFIG: /* network interface config */ | |
4437 | break; | |
4438 | default: | |
4439 | rc = 0; | |
4440 | break; | |
4441 | } | |
4442 | return rc; | |
4443 | } | |
4444 | ||
4445 | static void | |
4446 | qeth_mdio_write(struct net_device *dev, int phy_id, int regnum, int value) | |
4447 | { | |
4448 | switch(regnum){ | |
4449 | case MII_BMCR: /* Basic mode control register */ | |
4450 | case MII_BMSR: /* Basic mode status register */ | |
4451 | case MII_PHYSID1: /* PHYS ID 1 */ | |
4452 | case MII_PHYSID2: /* PHYS ID 2 */ | |
4453 | case MII_ADVERTISE: /* Advertisement control reg */ | |
4454 | case MII_LPA: /* Link partner ability reg */ | |
4455 | case MII_EXPANSION: /* Expansion register */ | |
4456 | case MII_DCOUNTER: /* disconnect counter */ | |
4457 | case MII_FCSCOUNTER: /* false carrier counter */ | |
4458 | case MII_NWAYTEST: /* N-way auto-neg test register */ | |
4459 | case MII_RERRCOUNTER: /* rx error counter */ | |
4460 | case MII_SREVISION: /* silicon revision */ | |
4461 | case MII_RESV1: /* reserved 1 */ | |
4462 | case MII_LBRERROR: /* loopback, rx, bypass error */ | |
4463 | case MII_PHYADDR: /* physical address */ | |
4464 | case MII_RESV2: /* reserved 2 */ | |
4465 | case MII_TPISTATUS: /* TPI status for 10mbps */ | |
4466 | case MII_NCONFIG: /* network interface config */ | |
4467 | default: | |
4468 | break; | |
4469 | } | |
4470 | } | |
4471 | ||
4472 | static inline const char * | |
4473 | qeth_arp_get_error_cause(int *rc) | |
4474 | { | |
4475 | switch (*rc) { | |
4476 | case QETH_IPA_ARP_RC_FAILED: | |
4477 | *rc = -EIO; | |
4478 | return "operation failed"; | |
4479 | case QETH_IPA_ARP_RC_NOTSUPP: | |
4480 | *rc = -EOPNOTSUPP; | |
4481 | return "operation not supported"; | |
4482 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
4483 | *rc = -EINVAL; | |
4484 | return "argument out of range"; | |
4485 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
4486 | *rc = -EOPNOTSUPP; | |
4487 | return "query operation not supported"; | |
4488 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
4489 | *rc = -ENOENT; | |
4490 | return "no query data available"; | |
4491 | default: | |
4492 | return "unknown error"; | |
4493 | } | |
4494 | } | |
4495 | ||
4496 | static int | |
4497 | qeth_send_simple_setassparms(struct qeth_card *, enum qeth_ipa_funcs, | |
4498 | __u16, long); | |
4499 | ||
4500 | static int | |
4501 | qeth_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
4502 | { | |
4503 | int tmp; | |
4504 | int rc; | |
4505 | ||
4506 | QETH_DBF_TEXT(trace,3,"arpstnoe"); | |
4507 | ||
f3d242e8 FP |
4508 | /* |
4509 | * currently GuestLAN only supports the ARP assist function | |
4510 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
4511 | * thus we say EOPNOTSUPP for this ARP function | |
4512 | */ | |
1da177e4 LT |
4513 | if (card->info.guestlan) |
4514 | return -EOPNOTSUPP; | |
4515 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
4516 | PRINT_WARN("ARP processing not supported " | |
4517 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4518 | return -EOPNOTSUPP; | |
4519 | } | |
4520 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
4521 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, | |
4522 | no_entries); | |
4523 | if (rc) { | |
4524 | tmp = rc; | |
4525 | PRINT_WARN("Could not set number of ARP entries on %s: " | |
4526 | "%s (0x%x/%d)\n", | |
4527 | QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), | |
4528 | tmp, tmp); | |
4529 | } | |
4530 | return rc; | |
4531 | } | |
4532 | ||
4533 | static inline void | |
4534 | qeth_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo, | |
4535 | struct qeth_arp_query_data *qdata, | |
4536 | int entry_size, int uentry_size) | |
4537 | { | |
4538 | char *entry_ptr; | |
4539 | char *uentry_ptr; | |
4540 | int i; | |
4541 | ||
4542 | entry_ptr = (char *)&qdata->data; | |
4543 | uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset); | |
4544 | for (i = 0; i < qdata->no_entries; ++i){ | |
4545 | /* strip off 32 bytes "media specific information" */ | |
4546 | memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32); | |
4547 | entry_ptr += entry_size; | |
4548 | uentry_ptr += uentry_size; | |
4549 | } | |
4550 | } | |
4551 | ||
4552 | static int | |
4553 | qeth_arp_query_cb(struct qeth_card *card, struct qeth_reply *reply, | |
4554 | unsigned long data) | |
4555 | { | |
4556 | struct qeth_ipa_cmd *cmd; | |
4557 | struct qeth_arp_query_data *qdata; | |
4558 | struct qeth_arp_query_info *qinfo; | |
4559 | int entry_size; | |
4560 | int uentry_size; | |
4561 | int i; | |
4562 | ||
4563 | QETH_DBF_TEXT(trace,4,"arpquecb"); | |
4564 | ||
4565 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
4566 | cmd = (struct qeth_ipa_cmd *) data; | |
4567 | if (cmd->hdr.return_code) { | |
4568 | QETH_DBF_TEXT_(trace,4,"qaer1%i", cmd->hdr.return_code); | |
4569 | return 0; | |
4570 | } | |
4571 | if (cmd->data.setassparms.hdr.return_code) { | |
4572 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
4573 | QETH_DBF_TEXT_(trace,4,"qaer2%i", cmd->hdr.return_code); | |
4574 | return 0; | |
4575 | } | |
4576 | qdata = &cmd->data.setassparms.data.query_arp; | |
4577 | switch(qdata->reply_bits){ | |
4578 | case 5: | |
4579 | uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5); | |
4580 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
4581 | uentry_size = sizeof(struct qeth_arp_qi_entry5_short); | |
4582 | break; | |
4583 | case 7: | |
4584 | /* fall through to default */ | |
4585 | default: | |
4586 | /* tr is the same as eth -> entry7 */ | |
4587 | uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7); | |
4588 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
4589 | uentry_size = sizeof(struct qeth_arp_qi_entry7_short); | |
4590 | break; | |
4591 | } | |
4592 | /* check if there is enough room in userspace */ | |
4593 | if ((qinfo->udata_len - qinfo->udata_offset) < | |
4594 | qdata->no_entries * uentry_size){ | |
4595 | QETH_DBF_TEXT_(trace, 4, "qaer3%i", -ENOMEM); | |
4596 | cmd->hdr.return_code = -ENOMEM; | |
4597 | PRINT_WARN("query ARP user space buffer is too small for " | |
4598 | "the returned number of ARP entries. " | |
4599 | "Aborting query!\n"); | |
4600 | goto out_error; | |
4601 | } | |
4602 | QETH_DBF_TEXT_(trace, 4, "anore%i", | |
4603 | cmd->data.setassparms.hdr.number_of_replies); | |
4604 | QETH_DBF_TEXT_(trace, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no); | |
4605 | QETH_DBF_TEXT_(trace, 4, "anoen%i", qdata->no_entries); | |
4606 | ||
4607 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) { | |
4608 | /* strip off "media specific information" */ | |
4609 | qeth_copy_arp_entries_stripped(qinfo, qdata, entry_size, | |
4610 | uentry_size); | |
4611 | } else | |
4612 | /*copy entries to user buffer*/ | |
4613 | memcpy(qinfo->udata + qinfo->udata_offset, | |
4614 | (char *)&qdata->data, qdata->no_entries*uentry_size); | |
4615 | ||
4616 | qinfo->no_entries += qdata->no_entries; | |
4617 | qinfo->udata_offset += (qdata->no_entries*uentry_size); | |
4618 | /* check if all replies received ... */ | |
4619 | if (cmd->data.setassparms.hdr.seq_no < | |
4620 | cmd->data.setassparms.hdr.number_of_replies) | |
4621 | return 1; | |
4622 | memcpy(qinfo->udata, &qinfo->no_entries, 4); | |
4623 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
4624 | * stripped entries from normal ones */ | |
4625 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
4626 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
4627 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET,&qdata->reply_bits,2); | |
4628 | return 0; | |
4629 | out_error: | |
4630 | i = 0; | |
4631 | memcpy(qinfo->udata, &i, 4); | |
4632 | return 0; | |
4633 | } | |
4634 | ||
4635 | static int | |
4636 | qeth_send_ipa_arp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
4637 | int len, int (*reply_cb)(struct qeth_card *, | |
4638 | struct qeth_reply *, | |
4639 | unsigned long), | |
4640 | void *reply_param) | |
4641 | { | |
4642 | QETH_DBF_TEXT(trace,4,"sendarp"); | |
4643 | ||
4644 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
4645 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
4646 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
4647 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
4648 | reply_cb, reply_param); | |
4649 | } | |
4650 | ||
4651 | static int | |
4652 | qeth_send_ipa_snmp_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
4653 | int len, int (*reply_cb)(struct qeth_card *, | |
4654 | struct qeth_reply *, | |
4655 | unsigned long), | |
4656 | void *reply_param) | |
4657 | { | |
4658 | u16 s1, s2; | |
4659 | ||
4660 | QETH_DBF_TEXT(trace,4,"sendsnmp"); | |
4661 | ||
4662 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
4663 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
4664 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
4665 | /* adjust PDU length fields in IPA_PDU_HEADER */ | |
4666 | s1 = (u32) IPA_PDU_HEADER_SIZE + len; | |
4667 | s2 = (u32) len; | |
4668 | memcpy(QETH_IPA_PDU_LEN_TOTAL(iob->data), &s1, 2); | |
4669 | memcpy(QETH_IPA_PDU_LEN_PDU1(iob->data), &s2, 2); | |
4670 | memcpy(QETH_IPA_PDU_LEN_PDU2(iob->data), &s2, 2); | |
4671 | memcpy(QETH_IPA_PDU_LEN_PDU3(iob->data), &s2, 2); | |
4672 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
4673 | reply_cb, reply_param); | |
4674 | } | |
4675 | ||
4676 | static struct qeth_cmd_buffer * | |
4677 | qeth_get_setassparms_cmd(struct qeth_card *, enum qeth_ipa_funcs, | |
4678 | __u16, __u16, enum qeth_prot_versions); | |
4679 | static int | |
4680 | qeth_arp_query(struct qeth_card *card, char *udata) | |
4681 | { | |
4682 | struct qeth_cmd_buffer *iob; | |
4683 | struct qeth_arp_query_info qinfo = {0, }; | |
4684 | int tmp; | |
4685 | int rc; | |
4686 | ||
4687 | QETH_DBF_TEXT(trace,3,"arpquery"); | |
4688 | ||
1da177e4 LT |
4689 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ |
4690 | IPA_ARP_PROCESSING)) { | |
4691 | PRINT_WARN("ARP processing not supported " | |
4692 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4693 | return -EOPNOTSUPP; | |
4694 | } | |
4695 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
4696 | if (copy_from_user(&qinfo, udata, 6)) | |
4697 | return -EFAULT; | |
4698 | if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))) | |
4699 | return -ENOMEM; | |
4700 | memset(qinfo.udata, 0, qinfo.udata_len); | |
4701 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; | |
4702 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
4703 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
4704 | sizeof(int),QETH_PROT_IPV4); | |
4705 | ||
4706 | rc = qeth_send_ipa_arp_cmd(card, iob, | |
4707 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
4708 | qeth_arp_query_cb, (void *)&qinfo); | |
4709 | if (rc) { | |
4710 | tmp = rc; | |
4711 | PRINT_WARN("Error while querying ARP cache on %s: %s " | |
4712 | "(0x%x/%d)\n", | |
4713 | QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), | |
4714 | tmp, tmp); | |
4715 | copy_to_user(udata, qinfo.udata, 4); | |
4716 | } else { | |
4717 | copy_to_user(udata, qinfo.udata, qinfo.udata_len); | |
4718 | } | |
4719 | kfree(qinfo.udata); | |
4720 | return rc; | |
4721 | } | |
4722 | ||
4723 | /** | |
4724 | * SNMP command callback | |
4725 | */ | |
4726 | static int | |
4727 | qeth_snmp_command_cb(struct qeth_card *card, struct qeth_reply *reply, | |
4728 | unsigned long sdata) | |
4729 | { | |
4730 | struct qeth_ipa_cmd *cmd; | |
4731 | struct qeth_arp_query_info *qinfo; | |
4732 | struct qeth_snmp_cmd *snmp; | |
4733 | unsigned char *data; | |
4734 | __u16 data_len; | |
4735 | ||
4736 | QETH_DBF_TEXT(trace,3,"snpcmdcb"); | |
4737 | ||
4738 | cmd = (struct qeth_ipa_cmd *) sdata; | |
4739 | data = (unsigned char *)((char *)cmd - reply->offset); | |
4740 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
4741 | snmp = &cmd->data.setadapterparms.data.snmp; | |
4742 | ||
4743 | if (cmd->hdr.return_code) { | |
4744 | QETH_DBF_TEXT_(trace,4,"scer1%i", cmd->hdr.return_code); | |
4745 | return 0; | |
4746 | } | |
4747 | if (cmd->data.setadapterparms.hdr.return_code) { | |
4748 | cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; | |
4749 | QETH_DBF_TEXT_(trace,4,"scer2%i", cmd->hdr.return_code); | |
4750 | return 0; | |
4751 | } | |
4752 | data_len = *((__u16*)QETH_IPA_PDU_LEN_PDU1(data)); | |
4753 | if (cmd->data.setadapterparms.hdr.seq_no == 1) | |
4754 | data_len -= (__u16)((char *)&snmp->data - (char *)cmd); | |
4755 | else | |
4756 | data_len -= (__u16)((char*)&snmp->request - (char *)cmd); | |
4757 | ||
4758 | /* check if there is enough room in userspace */ | |
4759 | if ((qinfo->udata_len - qinfo->udata_offset) < data_len) { | |
4760 | QETH_DBF_TEXT_(trace, 4, "scer3%i", -ENOMEM); | |
4761 | cmd->hdr.return_code = -ENOMEM; | |
4762 | return 0; | |
4763 | } | |
4764 | QETH_DBF_TEXT_(trace, 4, "snore%i", | |
4765 | cmd->data.setadapterparms.hdr.used_total); | |
4766 | QETH_DBF_TEXT_(trace, 4, "sseqn%i", cmd->data.setadapterparms.hdr.seq_no); | |
4767 | /*copy entries to user buffer*/ | |
4768 | if (cmd->data.setadapterparms.hdr.seq_no == 1) { | |
4769 | memcpy(qinfo->udata + qinfo->udata_offset, | |
4770 | (char *)snmp, | |
4771 | data_len + offsetof(struct qeth_snmp_cmd,data)); | |
4772 | qinfo->udata_offset += offsetof(struct qeth_snmp_cmd, data); | |
4773 | } else { | |
4774 | memcpy(qinfo->udata + qinfo->udata_offset, | |
4775 | (char *)&snmp->request, data_len); | |
4776 | } | |
4777 | qinfo->udata_offset += data_len; | |
4778 | /* check if all replies received ... */ | |
4779 | QETH_DBF_TEXT_(trace, 4, "srtot%i", | |
4780 | cmd->data.setadapterparms.hdr.used_total); | |
4781 | QETH_DBF_TEXT_(trace, 4, "srseq%i", | |
4782 | cmd->data.setadapterparms.hdr.seq_no); | |
4783 | if (cmd->data.setadapterparms.hdr.seq_no < | |
4784 | cmd->data.setadapterparms.hdr.used_total) | |
4785 | return 1; | |
4786 | return 0; | |
4787 | } | |
4788 | ||
4789 | static struct qeth_cmd_buffer * | |
4790 | qeth_get_ipacmd_buffer(struct qeth_card *, enum qeth_ipa_cmds, | |
4791 | enum qeth_prot_versions ); | |
4792 | ||
4793 | static struct qeth_cmd_buffer * | |
4794 | qeth_get_adapter_cmd(struct qeth_card *card, __u32 command, __u32 cmdlen) | |
4795 | { | |
4796 | struct qeth_cmd_buffer *iob; | |
4797 | struct qeth_ipa_cmd *cmd; | |
4798 | ||
4799 | iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETADAPTERPARMS, | |
4800 | QETH_PROT_IPV4); | |
4801 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
4802 | cmd->data.setadapterparms.hdr.cmdlength = cmdlen; | |
4803 | cmd->data.setadapterparms.hdr.command_code = command; | |
4804 | cmd->data.setadapterparms.hdr.used_total = 1; | |
4805 | cmd->data.setadapterparms.hdr.seq_no = 1; | |
4806 | ||
4807 | return iob; | |
4808 | } | |
4809 | ||
4810 | /** | |
4811 | * function to send SNMP commands to OSA-E card | |
4812 | */ | |
4813 | static int | |
4814 | qeth_snmp_command(struct qeth_card *card, char *udata) | |
4815 | { | |
4816 | struct qeth_cmd_buffer *iob; | |
4817 | struct qeth_ipa_cmd *cmd; | |
4818 | struct qeth_snmp_ureq *ureq; | |
4819 | int req_len; | |
4820 | struct qeth_arp_query_info qinfo = {0, }; | |
4821 | int rc = 0; | |
4822 | ||
4823 | QETH_DBF_TEXT(trace,3,"snmpcmd"); | |
4824 | ||
4825 | if (card->info.guestlan) | |
4826 | return -EOPNOTSUPP; | |
4827 | ||
4828 | if ((!qeth_adp_supported(card,IPA_SETADP_SET_SNMP_CONTROL)) && | |
4829 | (!card->options.layer2) ) { | |
4830 | PRINT_WARN("SNMP Query MIBS not supported " | |
4831 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4832 | return -EOPNOTSUPP; | |
4833 | } | |
4834 | /* skip 4 bytes (data_len struct member) to get req_len */ | |
4835 | if (copy_from_user(&req_len, udata + sizeof(int), sizeof(int))) | |
4836 | return -EFAULT; | |
4837 | ureq = kmalloc(req_len+sizeof(struct qeth_snmp_ureq_hdr), GFP_KERNEL); | |
4838 | if (!ureq) { | |
4839 | QETH_DBF_TEXT(trace, 2, "snmpnome"); | |
4840 | return -ENOMEM; | |
4841 | } | |
4842 | if (copy_from_user(ureq, udata, | |
4843 | req_len+sizeof(struct qeth_snmp_ureq_hdr))){ | |
4844 | kfree(ureq); | |
4845 | return -EFAULT; | |
4846 | } | |
4847 | qinfo.udata_len = ureq->hdr.data_len; | |
4848 | if (!(qinfo.udata = kmalloc(qinfo.udata_len, GFP_KERNEL))){ | |
4849 | kfree(ureq); | |
4850 | return -ENOMEM; | |
4851 | } | |
4852 | memset(qinfo.udata, 0, qinfo.udata_len); | |
4853 | qinfo.udata_offset = sizeof(struct qeth_snmp_ureq_hdr); | |
4854 | ||
4855 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_SET_SNMP_CONTROL, | |
4856 | QETH_SNMP_SETADP_CMDLENGTH + req_len); | |
4857 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
4858 | memcpy(&cmd->data.setadapterparms.data.snmp, &ureq->cmd, req_len); | |
4859 | rc = qeth_send_ipa_snmp_cmd(card, iob, QETH_SETADP_BASE_LEN + req_len, | |
4860 | qeth_snmp_command_cb, (void *)&qinfo); | |
4861 | if (rc) | |
4862 | PRINT_WARN("SNMP command failed on %s: (0x%x)\n", | |
4863 | QETH_CARD_IFNAME(card), rc); | |
4864 | else | |
4865 | copy_to_user(udata, qinfo.udata, qinfo.udata_len); | |
4866 | ||
4867 | kfree(ureq); | |
4868 | kfree(qinfo.udata); | |
4869 | return rc; | |
4870 | } | |
4871 | ||
4872 | static int | |
4873 | qeth_default_setassparms_cb(struct qeth_card *, struct qeth_reply *, | |
4874 | unsigned long); | |
4875 | ||
4876 | static int | |
4877 | qeth_send_setassparms(struct qeth_card *, struct qeth_cmd_buffer *, | |
4878 | __u16, long, | |
4879 | int (*reply_cb) | |
4880 | (struct qeth_card *, struct qeth_reply *, unsigned long), | |
4881 | void *reply_param); | |
4882 | ||
4883 | static int | |
4884 | qeth_arp_add_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) | |
4885 | { | |
4886 | struct qeth_cmd_buffer *iob; | |
4887 | char buf[16]; | |
4888 | int tmp; | |
4889 | int rc; | |
4890 | ||
4891 | QETH_DBF_TEXT(trace,3,"arpadent"); | |
4892 | ||
4893 | /* | |
f3d242e8 FP |
4894 | * currently GuestLAN only supports the ARP assist function |
4895 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
4896 | * thus we say EOPNOTSUPP for this ARP function | |
1da177e4 LT |
4897 | */ |
4898 | if (card->info.guestlan) | |
4899 | return -EOPNOTSUPP; | |
4900 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
4901 | PRINT_WARN("ARP processing not supported " | |
4902 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4903 | return -EOPNOTSUPP; | |
4904 | } | |
4905 | ||
4906 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
4907 | IPA_CMD_ASS_ARP_ADD_ENTRY, | |
4908 | sizeof(struct qeth_arp_cache_entry), | |
4909 | QETH_PROT_IPV4); | |
4910 | rc = qeth_send_setassparms(card, iob, | |
4911 | sizeof(struct qeth_arp_cache_entry), | |
4912 | (unsigned long) entry, | |
4913 | qeth_default_setassparms_cb, NULL); | |
4914 | if (rc) { | |
4915 | tmp = rc; | |
4916 | qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
4917 | PRINT_WARN("Could not add ARP entry for address %s on %s: " | |
4918 | "%s (0x%x/%d)\n", | |
4919 | buf, QETH_CARD_IFNAME(card), | |
4920 | qeth_arp_get_error_cause(&rc), tmp, tmp); | |
4921 | } | |
4922 | return rc; | |
4923 | } | |
4924 | ||
4925 | static int | |
4926 | qeth_arp_remove_entry(struct qeth_card *card, struct qeth_arp_cache_entry *entry) | |
4927 | { | |
4928 | struct qeth_cmd_buffer *iob; | |
4929 | char buf[16] = {0, }; | |
4930 | int tmp; | |
4931 | int rc; | |
4932 | ||
4933 | QETH_DBF_TEXT(trace,3,"arprment"); | |
4934 | ||
4935 | /* | |
f3d242e8 FP |
4936 | * currently GuestLAN only supports the ARP assist function |
4937 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
4938 | * thus we say EOPNOTSUPP for this ARP function | |
1da177e4 LT |
4939 | */ |
4940 | if (card->info.guestlan) | |
4941 | return -EOPNOTSUPP; | |
4942 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
4943 | PRINT_WARN("ARP processing not supported " | |
4944 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4945 | return -EOPNOTSUPP; | |
4946 | } | |
4947 | memcpy(buf, entry, 12); | |
4948 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
4949 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, | |
4950 | 12, | |
4951 | QETH_PROT_IPV4); | |
4952 | rc = qeth_send_setassparms(card, iob, | |
4953 | 12, (unsigned long)buf, | |
4954 | qeth_default_setassparms_cb, NULL); | |
4955 | if (rc) { | |
4956 | tmp = rc; | |
4957 | memset(buf, 0, 16); | |
4958 | qeth_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
4959 | PRINT_WARN("Could not delete ARP entry for address %s on %s: " | |
4960 | "%s (0x%x/%d)\n", | |
4961 | buf, QETH_CARD_IFNAME(card), | |
4962 | qeth_arp_get_error_cause(&rc), tmp, tmp); | |
4963 | } | |
4964 | return rc; | |
4965 | } | |
4966 | ||
4967 | static int | |
4968 | qeth_arp_flush_cache(struct qeth_card *card) | |
4969 | { | |
4970 | int rc; | |
4971 | int tmp; | |
4972 | ||
4973 | QETH_DBF_TEXT(trace,3,"arpflush"); | |
4974 | ||
4975 | /* | |
f3d242e8 FP |
4976 | * currently GuestLAN only supports the ARP assist function |
4977 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
4978 | * thus we say EOPNOTSUPP for this ARP function | |
4979 | */ | |
1da177e4 LT |
4980 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) |
4981 | return -EOPNOTSUPP; | |
4982 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
4983 | PRINT_WARN("ARP processing not supported " | |
4984 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
4985 | return -EOPNOTSUPP; | |
4986 | } | |
4987 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
4988 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); | |
4989 | if (rc){ | |
4990 | tmp = rc; | |
4991 | PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n", | |
4992 | QETH_CARD_IFNAME(card), qeth_arp_get_error_cause(&rc), | |
4993 | tmp, tmp); | |
4994 | } | |
4995 | return rc; | |
4996 | } | |
4997 | ||
4998 | static int | |
4999 | qeth_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
5000 | { | |
5001 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
5002 | struct qeth_arp_cache_entry arp_entry; | |
5003 | struct mii_ioctl_data *mii_data; | |
5004 | int rc = 0; | |
5005 | ||
5006 | if (!card) | |
5007 | return -ENODEV; | |
5008 | ||
5009 | if ((card->state != CARD_STATE_UP) && | |
5010 | (card->state != CARD_STATE_SOFTSETUP)) | |
5011 | return -ENODEV; | |
5012 | ||
5013 | switch (cmd){ | |
5014 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
5015 | if ( !capable(CAP_NET_ADMIN) || | |
5016 | (card->options.layer2) ) { | |
5017 | rc = -EPERM; | |
5018 | break; | |
5019 | } | |
5020 | rc = qeth_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
5021 | break; | |
5022 | case SIOC_QETH_ARP_QUERY_INFO: | |
5023 | if ( !capable(CAP_NET_ADMIN) || | |
5024 | (card->options.layer2) ) { | |
5025 | rc = -EPERM; | |
5026 | break; | |
5027 | } | |
5028 | rc = qeth_arp_query(card, rq->ifr_ifru.ifru_data); | |
5029 | break; | |
5030 | case SIOC_QETH_ARP_ADD_ENTRY: | |
5031 | if ( !capable(CAP_NET_ADMIN) || | |
5032 | (card->options.layer2) ) { | |
5033 | rc = -EPERM; | |
5034 | break; | |
5035 | } | |
5036 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
5037 | sizeof(struct qeth_arp_cache_entry))) | |
5038 | rc = -EFAULT; | |
5039 | else | |
5040 | rc = qeth_arp_add_entry(card, &arp_entry); | |
5041 | break; | |
5042 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
5043 | if ( !capable(CAP_NET_ADMIN) || | |
5044 | (card->options.layer2) ) { | |
5045 | rc = -EPERM; | |
5046 | break; | |
5047 | } | |
5048 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
5049 | sizeof(struct qeth_arp_cache_entry))) | |
5050 | rc = -EFAULT; | |
5051 | else | |
5052 | rc = qeth_arp_remove_entry(card, &arp_entry); | |
5053 | break; | |
5054 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
5055 | if ( !capable(CAP_NET_ADMIN) || | |
5056 | (card->options.layer2) ) { | |
5057 | rc = -EPERM; | |
5058 | break; | |
5059 | } | |
5060 | rc = qeth_arp_flush_cache(card); | |
5061 | break; | |
5062 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
5063 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
5064 | break; | |
5065 | case SIOC_QETH_GET_CARD_TYPE: | |
5066 | if ((card->info.type == QETH_CARD_TYPE_OSAE) && | |
5067 | !card->info.guestlan) | |
5068 | return 1; | |
5069 | return 0; | |
5070 | break; | |
5071 | case SIOCGMIIPHY: | |
5072 | mii_data = if_mii(rq); | |
5073 | mii_data->phy_id = 0; | |
5074 | break; | |
5075 | case SIOCGMIIREG: | |
5076 | mii_data = if_mii(rq); | |
5077 | if (mii_data->phy_id != 0) | |
5078 | rc = -EINVAL; | |
5079 | else | |
5080 | mii_data->val_out = qeth_mdio_read(dev,mii_data->phy_id, | |
5081 | mii_data->reg_num); | |
5082 | break; | |
5083 | case SIOCSMIIREG: | |
5084 | rc = -EOPNOTSUPP; | |
5085 | break; | |
5086 | /* TODO: remove return if qeth_mdio_write does something */ | |
5087 | if (!capable(CAP_NET_ADMIN)){ | |
5088 | rc = -EPERM; | |
5089 | break; | |
5090 | } | |
5091 | mii_data = if_mii(rq); | |
5092 | if (mii_data->phy_id != 0) | |
5093 | rc = -EINVAL; | |
5094 | else | |
5095 | qeth_mdio_write(dev, mii_data->phy_id, mii_data->reg_num, | |
5096 | mii_data->val_in); | |
5097 | break; | |
5098 | default: | |
5099 | rc = -EOPNOTSUPP; | |
5100 | } | |
5101 | if (rc) | |
5102 | QETH_DBF_TEXT_(trace, 2, "ioce%d", rc); | |
5103 | return rc; | |
5104 | } | |
5105 | ||
5106 | static struct net_device_stats * | |
5107 | qeth_get_stats(struct net_device *dev) | |
5108 | { | |
5109 | struct qeth_card *card; | |
5110 | ||
5111 | card = (struct qeth_card *) (dev->priv); | |
5112 | ||
5113 | QETH_DBF_TEXT(trace,5,"getstat"); | |
5114 | ||
5115 | return &card->stats; | |
5116 | } | |
5117 | ||
5118 | static int | |
5119 | qeth_change_mtu(struct net_device *dev, int new_mtu) | |
5120 | { | |
5121 | struct qeth_card *card; | |
5122 | char dbf_text[15]; | |
5123 | ||
5124 | card = (struct qeth_card *) (dev->priv); | |
5125 | ||
5126 | QETH_DBF_TEXT(trace,4,"chgmtu"); | |
5127 | sprintf(dbf_text, "%8x", new_mtu); | |
5128 | QETH_DBF_TEXT(trace,4,dbf_text); | |
5129 | ||
5130 | if (new_mtu < 64) | |
5131 | return -EINVAL; | |
5132 | if (new_mtu > 65535) | |
5133 | return -EINVAL; | |
5134 | if ((!qeth_is_supported(card,IPA_IP_FRAGMENTATION)) && | |
5135 | (!qeth_mtu_is_valid(card, new_mtu))) | |
5136 | return -EINVAL; | |
5137 | dev->mtu = new_mtu; | |
5138 | return 0; | |
5139 | } | |
5140 | ||
5141 | #ifdef CONFIG_QETH_VLAN | |
5142 | static void | |
5143 | qeth_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) | |
5144 | { | |
5145 | struct qeth_card *card; | |
5146 | unsigned long flags; | |
5147 | ||
5148 | QETH_DBF_TEXT(trace,4,"vlanreg"); | |
5149 | ||
5150 | card = (struct qeth_card *) dev->priv; | |
5151 | spin_lock_irqsave(&card->vlanlock, flags); | |
5152 | card->vlangrp = grp; | |
5153 | spin_unlock_irqrestore(&card->vlanlock, flags); | |
5154 | } | |
5155 | ||
5156 | static inline void | |
5157 | qeth_free_vlan_buffer(struct qeth_card *card, struct qeth_qdio_out_buffer *buf, | |
5158 | unsigned short vid) | |
5159 | { | |
5160 | int i; | |
5161 | struct sk_buff *skb; | |
5162 | struct sk_buff_head tmp_list; | |
5163 | ||
5164 | skb_queue_head_init(&tmp_list); | |
5165 | for(i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i){ | |
5166 | while ((skb = skb_dequeue(&buf->skb_list))){ | |
5167 | if (vlan_tx_tag_present(skb) && | |
5168 | (vlan_tx_tag_get(skb) == vid)) { | |
5169 | atomic_dec(&skb->users); | |
5170 | dev_kfree_skb(skb); | |
5171 | } else | |
5172 | skb_queue_tail(&tmp_list, skb); | |
5173 | } | |
5174 | } | |
5175 | while ((skb = skb_dequeue(&tmp_list))) | |
5176 | skb_queue_tail(&buf->skb_list, skb); | |
5177 | } | |
5178 | ||
5179 | static void | |
5180 | qeth_free_vlan_skbs(struct qeth_card *card, unsigned short vid) | |
5181 | { | |
5182 | int i, j; | |
5183 | ||
5184 | QETH_DBF_TEXT(trace, 4, "frvlskbs"); | |
5185 | for (i = 0; i < card->qdio.no_out_queues; ++i){ | |
5186 | for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; ++j) | |
5187 | qeth_free_vlan_buffer(card, &card->qdio. | |
5188 | out_qs[i]->bufs[j], vid); | |
5189 | } | |
5190 | } | |
5191 | ||
5192 | static void | |
5193 | qeth_free_vlan_addresses4(struct qeth_card *card, unsigned short vid) | |
5194 | { | |
5195 | struct in_device *in_dev; | |
5196 | struct in_ifaddr *ifa; | |
5197 | struct qeth_ipaddr *addr; | |
5198 | ||
5199 | QETH_DBF_TEXT(trace, 4, "frvaddr4"); | |
5200 | if (!card->vlangrp) | |
5201 | return; | |
5202 | rcu_read_lock(); | |
e5ed6399 | 5203 | in_dev = __in_dev_get_rcu(card->vlangrp->vlan_devices[vid]); |
1da177e4 LT |
5204 | if (!in_dev) |
5205 | goto out; | |
5206 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
5207 | addr = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
5208 | if (addr){ | |
5209 | addr->u.a4.addr = ifa->ifa_address; | |
5210 | addr->u.a4.mask = ifa->ifa_mask; | |
5211 | addr->type = QETH_IP_TYPE_NORMAL; | |
5212 | if (!qeth_delete_ip(card, addr)) | |
5213 | kfree(addr); | |
5214 | } | |
5215 | } | |
5216 | out: | |
5217 | rcu_read_unlock(); | |
5218 | } | |
5219 | ||
5220 | static void | |
5221 | qeth_free_vlan_addresses6(struct qeth_card *card, unsigned short vid) | |
5222 | { | |
5223 | #ifdef CONFIG_QETH_IPV6 | |
5224 | struct inet6_dev *in6_dev; | |
5225 | struct inet6_ifaddr *ifa; | |
5226 | struct qeth_ipaddr *addr; | |
5227 | ||
5228 | QETH_DBF_TEXT(trace, 4, "frvaddr6"); | |
5229 | if (!card->vlangrp) | |
5230 | return; | |
5231 | in6_dev = in6_dev_get(card->vlangrp->vlan_devices[vid]); | |
5232 | if (!in6_dev) | |
5233 | return; | |
5234 | for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next){ | |
5235 | addr = qeth_get_addr_buffer(QETH_PROT_IPV6); | |
5236 | if (addr){ | |
5237 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
5238 | sizeof(struct in6_addr)); | |
5239 | addr->u.a6.pfxlen = ifa->prefix_len; | |
5240 | addr->type = QETH_IP_TYPE_NORMAL; | |
5241 | if (!qeth_delete_ip(card, addr)) | |
5242 | kfree(addr); | |
5243 | } | |
5244 | } | |
5245 | in6_dev_put(in6_dev); | |
5246 | #endif /* CONFIG_QETH_IPV6 */ | |
5247 | } | |
5248 | ||
5249 | static void | |
5250 | qeth_layer2_send_setdelvlan(struct qeth_card *card, __u16 i, | |
5251 | enum qeth_ipa_cmds ipacmd) | |
5252 | { | |
5253 | int rc; | |
5254 | struct qeth_ipa_cmd *cmd; | |
5255 | struct qeth_cmd_buffer *iob; | |
5256 | ||
5257 | QETH_DBF_TEXT_(trace, 4, "L2sdv%x",ipacmd); | |
5258 | iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); | |
5259 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
5260 | cmd->data.setdelvlan.vlan_id = i; | |
5261 | ||
5262 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
5263 | if (rc) { | |
5264 | PRINT_ERR("Error in processing VLAN %i on %s: 0x%x. " | |
5265 | "Continuing\n",i, QETH_CARD_IFNAME(card), rc); | |
5266 | QETH_DBF_TEXT_(trace, 2, "L2VL%4x", ipacmd); | |
5267 | QETH_DBF_TEXT_(trace, 2, "L2%s", CARD_BUS_ID(card)); | |
5268 | QETH_DBF_TEXT_(trace, 2, "err%d", rc); | |
5269 | } | |
5270 | } | |
5271 | ||
5272 | static void | |
5273 | qeth_layer2_process_vlans(struct qeth_card *card, int clear) | |
5274 | { | |
5275 | unsigned short i; | |
5276 | ||
5277 | QETH_DBF_TEXT(trace, 3, "L2prcvln"); | |
5278 | ||
5279 | if (!card->vlangrp) | |
5280 | return; | |
5281 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
5282 | if (card->vlangrp->vlan_devices[i] == NULL) | |
5283 | continue; | |
5284 | if (clear) | |
5285 | qeth_layer2_send_setdelvlan(card, i, IPA_CMD_DELVLAN); | |
5286 | else | |
5287 | qeth_layer2_send_setdelvlan(card, i, IPA_CMD_SETVLAN); | |
5288 | } | |
5289 | } | |
5290 | ||
5291 | /*add_vid is layer 2 used only ....*/ | |
5292 | static void | |
5293 | qeth_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) | |
5294 | { | |
5295 | struct qeth_card *card; | |
5296 | ||
5297 | QETH_DBF_TEXT_(trace, 4, "aid:%d", vid); | |
5298 | ||
5299 | card = (struct qeth_card *) dev->priv; | |
5300 | if (!card->options.layer2) | |
5301 | return; | |
5302 | qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_SETVLAN); | |
5303 | } | |
5304 | ||
5305 | /*... kill_vid used for both modes*/ | |
5306 | static void | |
5307 | qeth_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) | |
5308 | { | |
5309 | struct qeth_card *card; | |
5310 | unsigned long flags; | |
5311 | ||
5312 | QETH_DBF_TEXT_(trace, 4, "kid:%d", vid); | |
5313 | ||
5314 | card = (struct qeth_card *) dev->priv; | |
5315 | /* free all skbs for the vlan device */ | |
5316 | qeth_free_vlan_skbs(card, vid); | |
5317 | spin_lock_irqsave(&card->vlanlock, flags); | |
5318 | /* unregister IP addresses of vlan device */ | |
5319 | qeth_free_vlan_addresses4(card, vid); | |
5320 | qeth_free_vlan_addresses6(card, vid); | |
5321 | if (card->vlangrp) | |
5322 | card->vlangrp->vlan_devices[vid] = NULL; | |
5323 | spin_unlock_irqrestore(&card->vlanlock, flags); | |
5324 | if (card->options.layer2) | |
5325 | qeth_layer2_send_setdelvlan(card, vid, IPA_CMD_DELVLAN); | |
5326 | qeth_set_multicast_list(card->dev); | |
5327 | } | |
5328 | #endif | |
5329 | ||
5330 | /** | |
5331 | * set multicast address on card | |
5332 | */ | |
5333 | static void | |
5334 | qeth_set_multicast_list(struct net_device *dev) | |
5335 | { | |
5336 | struct qeth_card *card = (struct qeth_card *) dev->priv; | |
5337 | ||
5338 | QETH_DBF_TEXT(trace,3,"setmulti"); | |
5339 | qeth_delete_mc_addresses(card); | |
5340 | qeth_add_multicast_ipv4(card); | |
5341 | #ifdef CONFIG_QETH_IPV6 | |
5342 | qeth_add_multicast_ipv6(card); | |
5343 | #endif | |
5344 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
5345 | schedule_work(&card->kernel_thread_starter); | |
5346 | } | |
5347 | ||
5348 | static int | |
5349 | qeth_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
5350 | { | |
5351 | return 0; | |
5352 | } | |
5353 | ||
5354 | static void | |
5355 | qeth_get_mac_for_ipm(__u32 ipm, char *mac, struct net_device *dev) | |
5356 | { | |
5357 | if (dev->type == ARPHRD_IEEE802_TR) | |
5358 | ip_tr_mc_map(ipm, mac); | |
5359 | else | |
5360 | ip_eth_mc_map(ipm, mac); | |
5361 | } | |
5362 | ||
5363 | static struct qeth_ipaddr * | |
5364 | qeth_get_addr_buffer(enum qeth_prot_versions prot) | |
5365 | { | |
5366 | struct qeth_ipaddr *addr; | |
5367 | ||
5368 | addr = kmalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); | |
5369 | if (addr == NULL) { | |
5370 | PRINT_WARN("Not enough memory to add address\n"); | |
5371 | return NULL; | |
5372 | } | |
5373 | memset(addr,0,sizeof(struct qeth_ipaddr)); | |
5374 | addr->type = QETH_IP_TYPE_NORMAL; | |
5375 | addr->proto = prot; | |
5376 | return addr; | |
5377 | } | |
5378 | ||
5379 | static void | |
5380 | qeth_delete_mc_addresses(struct qeth_card *card) | |
5381 | { | |
5382 | struct qeth_ipaddr *iptodo; | |
5383 | unsigned long flags; | |
5384 | ||
5385 | QETH_DBF_TEXT(trace,4,"delmc"); | |
5386 | iptodo = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
5387 | if (!iptodo) { | |
5388 | QETH_DBF_TEXT(trace, 2, "dmcnomem"); | |
5389 | return; | |
5390 | } | |
5391 | iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; | |
5392 | spin_lock_irqsave(&card->ip_lock, flags); | |
5393 | if (!__qeth_insert_ip_todo(card, iptodo, 0)) | |
5394 | kfree(iptodo); | |
5395 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
5396 | } | |
5397 | ||
5398 | static inline void | |
5399 | qeth_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
5400 | { | |
5401 | struct qeth_ipaddr *ipm; | |
5402 | struct ip_mc_list *im4; | |
5403 | char buf[MAX_ADDR_LEN]; | |
5404 | ||
5405 | QETH_DBF_TEXT(trace,4,"addmc"); | |
5406 | for (im4 = in4_dev->mc_list; im4; im4 = im4->next) { | |
5407 | qeth_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); | |
5408 | ipm = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
5409 | if (!ipm) | |
5410 | continue; | |
5411 | ipm->u.a4.addr = im4->multiaddr; | |
5412 | memcpy(ipm->mac,buf,OSA_ADDR_LEN); | |
5413 | ipm->is_multicast = 1; | |
5414 | if (!qeth_add_ip(card,ipm)) | |
5415 | kfree(ipm); | |
5416 | } | |
5417 | } | |
5418 | ||
5419 | static inline void | |
5420 | qeth_add_vlan_mc(struct qeth_card *card) | |
5421 | { | |
5422 | #ifdef CONFIG_QETH_VLAN | |
5423 | struct in_device *in_dev; | |
5424 | struct vlan_group *vg; | |
5425 | int i; | |
5426 | ||
5427 | QETH_DBF_TEXT(trace,4,"addmcvl"); | |
5428 | if ( ((card->options.layer2 == 0) && | |
5429 | (!qeth_is_supported(card,IPA_FULL_VLAN))) || | |
5430 | (card->vlangrp == NULL) ) | |
5431 | return ; | |
5432 | ||
5433 | vg = card->vlangrp; | |
5434 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
5435 | if (vg->vlan_devices[i] == NULL || | |
5436 | !(vg->vlan_devices[i]->flags & IFF_UP)) | |
5437 | continue; | |
5438 | in_dev = in_dev_get(vg->vlan_devices[i]); | |
5439 | if (!in_dev) | |
5440 | continue; | |
5441 | read_lock(&in_dev->mc_list_lock); | |
5442 | qeth_add_mc(card,in_dev); | |
5443 | read_unlock(&in_dev->mc_list_lock); | |
5444 | in_dev_put(in_dev); | |
5445 | } | |
5446 | #endif | |
5447 | } | |
5448 | ||
5449 | static void | |
5450 | qeth_add_multicast_ipv4(struct qeth_card *card) | |
5451 | { | |
5452 | struct in_device *in4_dev; | |
5453 | ||
5454 | QETH_DBF_TEXT(trace,4,"chkmcv4"); | |
5455 | in4_dev = in_dev_get(card->dev); | |
5456 | if (in4_dev == NULL) | |
5457 | return; | |
5458 | read_lock(&in4_dev->mc_list_lock); | |
5459 | qeth_add_mc(card, in4_dev); | |
5460 | qeth_add_vlan_mc(card); | |
5461 | read_unlock(&in4_dev->mc_list_lock); | |
5462 | in_dev_put(in4_dev); | |
5463 | } | |
5464 | ||
5465 | #ifdef CONFIG_QETH_IPV6 | |
5466 | static inline void | |
5467 | qeth_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
5468 | { | |
5469 | struct qeth_ipaddr *ipm; | |
5470 | struct ifmcaddr6 *im6; | |
5471 | char buf[MAX_ADDR_LEN]; | |
5472 | ||
5473 | QETH_DBF_TEXT(trace,4,"addmc6"); | |
5474 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { | |
5475 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
5476 | ipm = qeth_get_addr_buffer(QETH_PROT_IPV6); | |
5477 | if (!ipm) | |
5478 | continue; | |
5479 | ipm->is_multicast = 1; | |
5480 | memcpy(ipm->mac,buf,OSA_ADDR_LEN); | |
5481 | memcpy(&ipm->u.a6.addr,&im6->mca_addr.s6_addr, | |
5482 | sizeof(struct in6_addr)); | |
5483 | if (!qeth_add_ip(card,ipm)) | |
5484 | kfree(ipm); | |
5485 | } | |
5486 | } | |
5487 | ||
5488 | static inline void | |
5489 | qeth_add_vlan_mc6(struct qeth_card *card) | |
5490 | { | |
5491 | #ifdef CONFIG_QETH_VLAN | |
5492 | struct inet6_dev *in_dev; | |
5493 | struct vlan_group *vg; | |
5494 | int i; | |
5495 | ||
5496 | QETH_DBF_TEXT(trace,4,"admc6vl"); | |
5497 | if ( ((card->options.layer2 == 0) && | |
5498 | (!qeth_is_supported(card,IPA_FULL_VLAN))) || | |
5499 | (card->vlangrp == NULL)) | |
5500 | return ; | |
5501 | ||
5502 | vg = card->vlangrp; | |
5503 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
5504 | if (vg->vlan_devices[i] == NULL || | |
5505 | !(vg->vlan_devices[i]->flags & IFF_UP)) | |
5506 | continue; | |
5507 | in_dev = in6_dev_get(vg->vlan_devices[i]); | |
5508 | if (!in_dev) | |
5509 | continue; | |
5510 | read_lock(&in_dev->lock); | |
5511 | qeth_add_mc6(card,in_dev); | |
5512 | read_unlock(&in_dev->lock); | |
5513 | in6_dev_put(in_dev); | |
5514 | } | |
5515 | #endif /* CONFIG_QETH_VLAN */ | |
5516 | } | |
5517 | ||
5518 | static void | |
5519 | qeth_add_multicast_ipv6(struct qeth_card *card) | |
5520 | { | |
5521 | struct inet6_dev *in6_dev; | |
5522 | ||
5523 | QETH_DBF_TEXT(trace,4,"chkmcv6"); | |
5524 | if ((card->options.layer2 == 0) && | |
5525 | (!qeth_is_supported(card, IPA_IPV6)) ) | |
5526 | return ; | |
5527 | ||
5528 | in6_dev = in6_dev_get(card->dev); | |
5529 | if (in6_dev == NULL) | |
5530 | return; | |
5531 | read_lock(&in6_dev->lock); | |
5532 | qeth_add_mc6(card, in6_dev); | |
5533 | qeth_add_vlan_mc6(card); | |
5534 | read_unlock(&in6_dev->lock); | |
5535 | in6_dev_put(in6_dev); | |
5536 | } | |
5537 | #endif /* CONFIG_QETH_IPV6 */ | |
5538 | ||
5539 | static int | |
5540 | qeth_layer2_send_setdelmac(struct qeth_card *card, __u8 *mac, | |
5541 | enum qeth_ipa_cmds ipacmd, | |
5542 | int (*reply_cb) (struct qeth_card *, | |
5543 | struct qeth_reply*, | |
5544 | unsigned long)) | |
5545 | { | |
5546 | struct qeth_ipa_cmd *cmd; | |
5547 | struct qeth_cmd_buffer *iob; | |
5548 | ||
5549 | QETH_DBF_TEXT(trace, 2, "L2sdmac"); | |
5550 | iob = qeth_get_ipacmd_buffer(card, ipacmd, QETH_PROT_IPV4); | |
5551 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
5552 | cmd->data.setdelmac.mac_length = OSA_ADDR_LEN; | |
5553 | memcpy(&cmd->data.setdelmac.mac, mac, OSA_ADDR_LEN); | |
5554 | return qeth_send_ipa_cmd(card, iob, reply_cb, NULL); | |
5555 | } | |
5556 | ||
5557 | static int | |
5558 | qeth_layer2_send_setgroupmac_cb(struct qeth_card *card, | |
5559 | struct qeth_reply *reply, | |
5560 | unsigned long data) | |
5561 | { | |
5562 | struct qeth_ipa_cmd *cmd; | |
5563 | __u8 *mac; | |
5564 | ||
5565 | QETH_DBF_TEXT(trace, 2, "L2Sgmacb"); | |
5566 | cmd = (struct qeth_ipa_cmd *) data; | |
5567 | mac = &cmd->data.setdelmac.mac[0]; | |
5568 | /* MAC already registered, needed in couple/uncouple case */ | |
5569 | if (cmd->hdr.return_code == 0x2005) { | |
5570 | PRINT_WARN("Group MAC %02x:%02x:%02x:%02x:%02x:%02x " \ | |
5571 | "already existing on %s \n", | |
5572 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], | |
5573 | QETH_CARD_IFNAME(card)); | |
5574 | cmd->hdr.return_code = 0; | |
5575 | } | |
5576 | if (cmd->hdr.return_code) | |
5577 | PRINT_ERR("Could not set group MAC " \ | |
5578 | "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", | |
5579 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], | |
5580 | QETH_CARD_IFNAME(card),cmd->hdr.return_code); | |
5581 | return 0; | |
5582 | } | |
5583 | ||
5584 | static int | |
5585 | qeth_layer2_send_setgroupmac(struct qeth_card *card, __u8 *mac) | |
5586 | { | |
5587 | QETH_DBF_TEXT(trace, 2, "L2Sgmac"); | |
5588 | return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETGMAC, | |
5589 | qeth_layer2_send_setgroupmac_cb); | |
5590 | } | |
5591 | ||
5592 | static int | |
5593 | qeth_layer2_send_delgroupmac_cb(struct qeth_card *card, | |
5594 | struct qeth_reply *reply, | |
5595 | unsigned long data) | |
5596 | { | |
5597 | struct qeth_ipa_cmd *cmd; | |
5598 | __u8 *mac; | |
5599 | ||
5600 | QETH_DBF_TEXT(trace, 2, "L2Dgmacb"); | |
5601 | cmd = (struct qeth_ipa_cmd *) data; | |
5602 | mac = &cmd->data.setdelmac.mac[0]; | |
5603 | if (cmd->hdr.return_code) | |
5604 | PRINT_ERR("Could not delete group MAC " \ | |
5605 | "%02x:%02x:%02x:%02x:%02x:%02x on %s: %x\n", | |
5606 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], | |
5607 | QETH_CARD_IFNAME(card), cmd->hdr.return_code); | |
5608 | return 0; | |
5609 | } | |
5610 | ||
5611 | static int | |
5612 | qeth_layer2_send_delgroupmac(struct qeth_card *card, __u8 *mac) | |
5613 | { | |
5614 | QETH_DBF_TEXT(trace, 2, "L2Dgmac"); | |
5615 | return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELGMAC, | |
5616 | qeth_layer2_send_delgroupmac_cb); | |
5617 | } | |
5618 | ||
5619 | static int | |
5620 | qeth_layer2_send_setmac_cb(struct qeth_card *card, | |
5621 | struct qeth_reply *reply, | |
5622 | unsigned long data) | |
5623 | { | |
5624 | struct qeth_ipa_cmd *cmd; | |
5625 | ||
5626 | QETH_DBF_TEXT(trace, 2, "L2Smaccb"); | |
5627 | cmd = (struct qeth_ipa_cmd *) data; | |
5628 | if (cmd->hdr.return_code) { | |
5629 | QETH_DBF_TEXT_(trace, 2, "L2er%x", cmd->hdr.return_code); | |
5630 | PRINT_WARN("Error in registering MAC address on " \ | |
5631 | "device %s: x%x\n", CARD_BUS_ID(card), | |
5632 | cmd->hdr.return_code); | |
5633 | card->info.layer2_mac_registered = 0; | |
5634 | cmd->hdr.return_code = -EIO; | |
5635 | } else { | |
5636 | card->info.layer2_mac_registered = 1; | |
5637 | memcpy(card->dev->dev_addr,cmd->data.setdelmac.mac, | |
5638 | OSA_ADDR_LEN); | |
5639 | PRINT_INFO("MAC address %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x " | |
5640 | "successfully registered on device %s\n", | |
5641 | card->dev->dev_addr[0], card->dev->dev_addr[1], | |
5642 | card->dev->dev_addr[2], card->dev->dev_addr[3], | |
5643 | card->dev->dev_addr[4], card->dev->dev_addr[5], | |
5644 | card->dev->name); | |
5645 | } | |
5646 | return 0; | |
5647 | } | |
5648 | ||
5649 | static int | |
5650 | qeth_layer2_send_setmac(struct qeth_card *card, __u8 *mac) | |
5651 | { | |
5652 | QETH_DBF_TEXT(trace, 2, "L2Setmac"); | |
5653 | return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_SETVMAC, | |
5654 | qeth_layer2_send_setmac_cb); | |
5655 | } | |
5656 | ||
5657 | static int | |
5658 | qeth_layer2_send_delmac_cb(struct qeth_card *card, | |
5659 | struct qeth_reply *reply, | |
5660 | unsigned long data) | |
5661 | { | |
5662 | struct qeth_ipa_cmd *cmd; | |
5663 | ||
5664 | QETH_DBF_TEXT(trace, 2, "L2Dmaccb"); | |
5665 | cmd = (struct qeth_ipa_cmd *) data; | |
5666 | if (cmd->hdr.return_code) { | |
5667 | PRINT_WARN("Error in deregistering MAC address on " \ | |
5668 | "device %s: x%x\n", CARD_BUS_ID(card), | |
5669 | cmd->hdr.return_code); | |
5670 | QETH_DBF_TEXT_(trace, 2, "err%d", cmd->hdr.return_code); | |
5671 | cmd->hdr.return_code = -EIO; | |
5672 | return 0; | |
5673 | } | |
5674 | card->info.layer2_mac_registered = 0; | |
5675 | ||
5676 | return 0; | |
5677 | } | |
5678 | static int | |
5679 | qeth_layer2_send_delmac(struct qeth_card *card, __u8 *mac) | |
5680 | { | |
5681 | QETH_DBF_TEXT(trace, 2, "L2Delmac"); | |
5682 | if (!card->info.layer2_mac_registered) | |
5683 | return 0; | |
5684 | return qeth_layer2_send_setdelmac(card, mac, IPA_CMD_DELVMAC, | |
5685 | qeth_layer2_send_delmac_cb); | |
5686 | } | |
5687 | ||
5688 | static int | |
5689 | qeth_layer2_set_mac_address(struct net_device *dev, void *p) | |
5690 | { | |
5691 | struct sockaddr *addr = p; | |
5692 | struct qeth_card *card; | |
5693 | int rc = 0; | |
5694 | ||
5695 | QETH_DBF_TEXT(trace, 3, "setmac"); | |
5696 | ||
5697 | if (qeth_verify_dev(dev) != QETH_REAL_CARD) { | |
5698 | QETH_DBF_TEXT(trace, 3, "setmcINV"); | |
5699 | return -EOPNOTSUPP; | |
5700 | } | |
5701 | card = (struct qeth_card *) dev->priv; | |
5702 | ||
5703 | if (!card->options.layer2) { | |
5704 | PRINT_WARN("Setting MAC address on %s is not supported" | |
5705 | "in Layer 3 mode.\n", dev->name); | |
5706 | QETH_DBF_TEXT(trace, 3, "setmcLY3"); | |
5707 | return -EOPNOTSUPP; | |
5708 | } | |
5709 | QETH_DBF_TEXT_(trace, 3, "%s", CARD_BUS_ID(card)); | |
5710 | QETH_DBF_HEX(trace, 3, addr->sa_data, OSA_ADDR_LEN); | |
5711 | rc = qeth_layer2_send_delmac(card, &card->dev->dev_addr[0]); | |
5712 | if (!rc) | |
5713 | rc = qeth_layer2_send_setmac(card, addr->sa_data); | |
5714 | return rc; | |
5715 | } | |
5716 | ||
5717 | static void | |
5718 | qeth_fill_ipacmd_header(struct qeth_card *card, struct qeth_ipa_cmd *cmd, | |
5719 | __u8 command, enum qeth_prot_versions prot) | |
5720 | { | |
5721 | memset(cmd, 0, sizeof (struct qeth_ipa_cmd)); | |
5722 | cmd->hdr.command = command; | |
5723 | cmd->hdr.initiator = IPA_CMD_INITIATOR_HOST; | |
5724 | cmd->hdr.seqno = card->seqno.ipa; | |
5725 | cmd->hdr.adapter_type = qeth_get_ipa_adp_type(card->info.link_type); | |
5726 | cmd->hdr.rel_adapter_no = (__u8) card->info.portno; | |
5727 | if (card->options.layer2) | |
5728 | cmd->hdr.prim_version_no = 2; | |
5729 | else | |
5730 | cmd->hdr.prim_version_no = 1; | |
5731 | cmd->hdr.param_count = 1; | |
5732 | cmd->hdr.prot_version = prot; | |
5733 | cmd->hdr.ipa_supported = 0; | |
5734 | cmd->hdr.ipa_enabled = 0; | |
5735 | } | |
5736 | ||
5737 | static struct qeth_cmd_buffer * | |
5738 | qeth_get_ipacmd_buffer(struct qeth_card *card, enum qeth_ipa_cmds ipacmd, | |
5739 | enum qeth_prot_versions prot) | |
5740 | { | |
5741 | struct qeth_cmd_buffer *iob; | |
5742 | struct qeth_ipa_cmd *cmd; | |
5743 | ||
5744 | iob = qeth_wait_for_buffer(&card->write); | |
5745 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
5746 | qeth_fill_ipacmd_header(card, cmd, ipacmd, prot); | |
5747 | ||
5748 | return iob; | |
5749 | } | |
5750 | ||
5751 | static int | |
5752 | qeth_send_setdelmc(struct qeth_card *card, struct qeth_ipaddr *addr, int ipacmd) | |
5753 | { | |
5754 | int rc; | |
5755 | struct qeth_cmd_buffer *iob; | |
5756 | struct qeth_ipa_cmd *cmd; | |
5757 | ||
5758 | QETH_DBF_TEXT(trace,4,"setdelmc"); | |
5759 | ||
5760 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
5761 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
5762 | memcpy(&cmd->data.setdelipm.mac,addr->mac, OSA_ADDR_LEN); | |
5763 | if (addr->proto == QETH_PROT_IPV6) | |
5764 | memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, | |
5765 | sizeof(struct in6_addr)); | |
5766 | else | |
5767 | memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr,4); | |
5768 | ||
5769 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
5770 | ||
5771 | return rc; | |
5772 | } | |
5773 | static inline void | |
5774 | qeth_fill_netmask(u8 *netmask, unsigned int len) | |
5775 | { | |
5776 | int i,j; | |
5777 | for (i=0;i<16;i++) { | |
5778 | j=(len)-(i*8); | |
5779 | if (j >= 8) | |
5780 | netmask[i] = 0xff; | |
5781 | else if (j > 0) | |
5782 | netmask[i] = (u8)(0xFF00>>j); | |
5783 | else | |
5784 | netmask[i] = 0; | |
5785 | } | |
5786 | } | |
5787 | ||
5788 | static int | |
5789 | qeth_send_setdelip(struct qeth_card *card, struct qeth_ipaddr *addr, | |
5790 | int ipacmd, unsigned int flags) | |
5791 | { | |
5792 | int rc; | |
5793 | struct qeth_cmd_buffer *iob; | |
5794 | struct qeth_ipa_cmd *cmd; | |
5795 | __u8 netmask[16]; | |
5796 | ||
5797 | QETH_DBF_TEXT(trace,4,"setdelip"); | |
5798 | QETH_DBF_TEXT_(trace,4,"flags%02X", flags); | |
5799 | ||
5800 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
5801 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
5802 | if (addr->proto == QETH_PROT_IPV6) { | |
5803 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, | |
5804 | sizeof(struct in6_addr)); | |
5805 | qeth_fill_netmask(netmask,addr->u.a6.pfxlen); | |
5806 | memcpy(cmd->data.setdelip6.mask, netmask, | |
5807 | sizeof(struct in6_addr)); | |
5808 | cmd->data.setdelip6.flags = flags; | |
5809 | } else { | |
5810 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); | |
5811 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); | |
5812 | cmd->data.setdelip4.flags = flags; | |
5813 | } | |
5814 | ||
5815 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
5816 | ||
5817 | return rc; | |
5818 | } | |
5819 | ||
5820 | static int | |
5821 | qeth_layer2_register_addr_entry(struct qeth_card *card, | |
5822 | struct qeth_ipaddr *addr) | |
5823 | { | |
5824 | if (!addr->is_multicast) | |
5825 | return 0; | |
5826 | QETH_DBF_TEXT(trace, 2, "setgmac"); | |
5827 | QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN); | |
5828 | return qeth_layer2_send_setgroupmac(card, &addr->mac[0]); | |
5829 | } | |
5830 | ||
5831 | static int | |
5832 | qeth_layer2_deregister_addr_entry(struct qeth_card *card, | |
5833 | struct qeth_ipaddr *addr) | |
5834 | { | |
5835 | if (!addr->is_multicast) | |
5836 | return 0; | |
5837 | QETH_DBF_TEXT(trace, 2, "delgmac"); | |
5838 | QETH_DBF_HEX(trace,3,&addr->mac[0],OSA_ADDR_LEN); | |
5839 | return qeth_layer2_send_delgroupmac(card, &addr->mac[0]); | |
5840 | } | |
5841 | ||
5842 | static int | |
5843 | qeth_layer3_register_addr_entry(struct qeth_card *card, | |
5844 | struct qeth_ipaddr *addr) | |
5845 | { | |
5846 | char buf[50]; | |
5847 | int rc; | |
5848 | int cnt = 3; | |
5849 | ||
5850 | if (addr->proto == QETH_PROT_IPV4) { | |
5851 | QETH_DBF_TEXT(trace, 2,"setaddr4"); | |
5852 | QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int)); | |
5853 | } else if (addr->proto == QETH_PROT_IPV6) { | |
5854 | QETH_DBF_TEXT(trace, 2, "setaddr6"); | |
5855 | QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8); | |
5856 | QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8); | |
5857 | } else { | |
5858 | QETH_DBF_TEXT(trace, 2, "setaddr?"); | |
5859 | QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr)); | |
5860 | } | |
5861 | do { | |
5862 | if (addr->is_multicast) | |
5863 | rc = qeth_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
5864 | else | |
5865 | rc = qeth_send_setdelip(card, addr, IPA_CMD_SETIP, | |
5866 | addr->set_flags); | |
5867 | if (rc) | |
5868 | QETH_DBF_TEXT(trace, 2, "failed"); | |
5869 | } while ((--cnt > 0) && rc); | |
5870 | if (rc){ | |
5871 | QETH_DBF_TEXT(trace, 2, "FAILED"); | |
5872 | qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); | |
5873 | PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n", | |
5874 | buf, rc, rc); | |
5875 | } | |
5876 | return rc; | |
5877 | } | |
5878 | ||
5879 | static int | |
5880 | qeth_layer3_deregister_addr_entry(struct qeth_card *card, | |
5881 | struct qeth_ipaddr *addr) | |
5882 | { | |
5883 | //char buf[50]; | |
5884 | int rc; | |
5885 | ||
5886 | if (addr->proto == QETH_PROT_IPV4) { | |
5887 | QETH_DBF_TEXT(trace, 2,"deladdr4"); | |
5888 | QETH_DBF_HEX(trace, 3, &addr->u.a4.addr, sizeof(int)); | |
5889 | } else if (addr->proto == QETH_PROT_IPV6) { | |
5890 | QETH_DBF_TEXT(trace, 2, "deladdr6"); | |
5891 | QETH_DBF_HEX(trace,3,&addr->u.a6.addr,8); | |
5892 | QETH_DBF_HEX(trace,3,((char *)&addr->u.a6.addr)+8,8); | |
5893 | } else { | |
5894 | QETH_DBF_TEXT(trace, 2, "deladdr?"); | |
5895 | QETH_DBF_HEX(trace, 3, addr, sizeof(struct qeth_ipaddr)); | |
5896 | } | |
5897 | if (addr->is_multicast) | |
5898 | rc = qeth_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
5899 | else | |
5900 | rc = qeth_send_setdelip(card, addr, IPA_CMD_DELIP, | |
5901 | addr->del_flags); | |
5902 | if (rc) { | |
5903 | QETH_DBF_TEXT(trace, 2, "failed"); | |
5904 | /* TODO: re-activate this warning as soon as we have a | |
5905 | * clean mirco code | |
5906 | qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); | |
5907 | PRINT_WARN("Could not deregister IP address %s (rc=%x)\n", | |
5908 | buf, rc); | |
5909 | */ | |
5910 | } | |
5911 | return rc; | |
5912 | } | |
5913 | ||
5914 | static int | |
5915 | qeth_register_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) | |
5916 | { | |
5917 | if (card->options.layer2) | |
5918 | return qeth_layer2_register_addr_entry(card, addr); | |
5919 | ||
5920 | return qeth_layer3_register_addr_entry(card, addr); | |
5921 | } | |
5922 | ||
5923 | static int | |
5924 | qeth_deregister_addr_entry(struct qeth_card *card, struct qeth_ipaddr *addr) | |
5925 | { | |
5926 | if (card->options.layer2) | |
5927 | return qeth_layer2_deregister_addr_entry(card, addr); | |
5928 | ||
5929 | return qeth_layer3_deregister_addr_entry(card, addr); | |
5930 | } | |
5931 | ||
5932 | static u32 | |
5933 | qeth_ethtool_get_tx_csum(struct net_device *dev) | |
5934 | { | |
5935 | /* We may need to say that we support tx csum offload if | |
5936 | * we do EDDP or TSO. There are discussions going on to | |
5937 | * enforce rules in the stack and in ethtool that make | |
5938 | * SG and TSO depend on HW_CSUM. At the moment there are | |
5939 | * no such rules.... | |
5940 | * If we say yes here, we have to checksum outbound packets | |
5941 | * any time. */ | |
5942 | return 0; | |
5943 | } | |
5944 | ||
5945 | static int | |
5946 | qeth_ethtool_set_tx_csum(struct net_device *dev, u32 data) | |
5947 | { | |
5948 | return -EINVAL; | |
5949 | } | |
5950 | ||
5951 | static u32 | |
5952 | qeth_ethtool_get_rx_csum(struct net_device *dev) | |
5953 | { | |
5954 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
5955 | ||
5956 | return (card->options.checksum_type == HW_CHECKSUMMING); | |
5957 | } | |
5958 | ||
5959 | static int | |
5960 | qeth_ethtool_set_rx_csum(struct net_device *dev, u32 data) | |
5961 | { | |
5962 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
5963 | ||
5964 | if ((card->state != CARD_STATE_DOWN) && | |
5965 | (card->state != CARD_STATE_RECOVER)) | |
5966 | return -EPERM; | |
5967 | if (data) | |
5968 | card->options.checksum_type = HW_CHECKSUMMING; | |
5969 | else | |
5970 | card->options.checksum_type = SW_CHECKSUMMING; | |
5971 | return 0; | |
5972 | } | |
5973 | ||
5974 | static u32 | |
5975 | qeth_ethtool_get_sg(struct net_device *dev) | |
5976 | { | |
5977 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
5978 | ||
5979 | return ((card->options.large_send != QETH_LARGE_SEND_NO) && | |
5980 | (dev->features & NETIF_F_SG)); | |
5981 | } | |
5982 | ||
5983 | static int | |
5984 | qeth_ethtool_set_sg(struct net_device *dev, u32 data) | |
5985 | { | |
5986 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
5987 | ||
5988 | if (data) { | |
5989 | if (card->options.large_send != QETH_LARGE_SEND_NO) | |
5990 | dev->features |= NETIF_F_SG; | |
5991 | else { | |
5992 | dev->features &= ~NETIF_F_SG; | |
5993 | return -EINVAL; | |
5994 | } | |
5995 | } else | |
5996 | dev->features &= ~NETIF_F_SG; | |
5997 | return 0; | |
5998 | } | |
5999 | ||
6000 | static u32 | |
6001 | qeth_ethtool_get_tso(struct net_device *dev) | |
6002 | { | |
6003 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
6004 | ||
6005 | return ((card->options.large_send != QETH_LARGE_SEND_NO) && | |
6006 | (dev->features & NETIF_F_TSO)); | |
6007 | } | |
6008 | ||
6009 | static int | |
6010 | qeth_ethtool_set_tso(struct net_device *dev, u32 data) | |
6011 | { | |
6012 | struct qeth_card *card = (struct qeth_card *)dev->priv; | |
6013 | ||
6014 | if (data) { | |
6015 | if (card->options.large_send != QETH_LARGE_SEND_NO) | |
6016 | dev->features |= NETIF_F_TSO; | |
6017 | else { | |
6018 | dev->features &= ~NETIF_F_TSO; | |
6019 | return -EINVAL; | |
6020 | } | |
6021 | } else | |
6022 | dev->features &= ~NETIF_F_TSO; | |
6023 | return 0; | |
6024 | } | |
6025 | ||
6026 | static struct ethtool_ops qeth_ethtool_ops = { | |
6027 | .get_tx_csum = qeth_ethtool_get_tx_csum, | |
6028 | .set_tx_csum = qeth_ethtool_set_tx_csum, | |
6029 | .get_rx_csum = qeth_ethtool_get_rx_csum, | |
6030 | .set_rx_csum = qeth_ethtool_set_rx_csum, | |
6031 | .get_sg = qeth_ethtool_get_sg, | |
6032 | .set_sg = qeth_ethtool_set_sg, | |
6033 | .get_tso = qeth_ethtool_get_tso, | |
6034 | .set_tso = qeth_ethtool_set_tso, | |
6035 | }; | |
6036 | ||
6037 | static int | |
6038 | qeth_netdev_init(struct net_device *dev) | |
6039 | { | |
6040 | struct qeth_card *card; | |
6041 | ||
6042 | card = (struct qeth_card *) dev->priv; | |
6043 | ||
6044 | QETH_DBF_TEXT(trace,3,"initdev"); | |
6045 | ||
6046 | dev->tx_timeout = &qeth_tx_timeout; | |
6047 | dev->watchdog_timeo = QETH_TX_TIMEOUT; | |
6048 | dev->open = qeth_open; | |
6049 | dev->stop = qeth_stop; | |
6050 | dev->hard_start_xmit = qeth_hard_start_xmit; | |
6051 | dev->do_ioctl = qeth_do_ioctl; | |
6052 | dev->get_stats = qeth_get_stats; | |
6053 | dev->change_mtu = qeth_change_mtu; | |
6054 | dev->neigh_setup = qeth_neigh_setup; | |
6055 | dev->set_multicast_list = qeth_set_multicast_list; | |
6056 | #ifdef CONFIG_QETH_VLAN | |
6057 | dev->vlan_rx_register = qeth_vlan_rx_register; | |
6058 | dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid; | |
6059 | dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid; | |
6060 | #endif | |
6061 | dev->hard_header = card->orig_hard_header; | |
6062 | if (qeth_get_netdev_flags(card) & IFF_NOARP) { | |
6063 | dev->rebuild_header = NULL; | |
6064 | dev->hard_header = NULL; | |
6065 | if (card->options.fake_ll) | |
6066 | dev->hard_header = qeth_fake_header; | |
6067 | dev->header_cache_update = NULL; | |
6068 | dev->hard_header_cache = NULL; | |
6069 | } | |
6070 | #ifdef CONFIG_QETH_IPV6 | |
6071 | /*IPv6 address autoconfiguration stuff*/ | |
6072 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
6073 | card->dev->dev_id = card->info.unique_id & 0xffff; | |
6074 | #endif | |
6075 | dev->hard_header_parse = NULL; | |
6076 | dev->set_mac_address = qeth_layer2_set_mac_address; | |
6077 | dev->flags |= qeth_get_netdev_flags(card); | |
6078 | if ((card->options.fake_broadcast) || | |
6079 | (card->info.broadcast_capable)) | |
6080 | dev->flags |= IFF_BROADCAST; | |
6081 | dev->hard_header_len = | |
6082 | qeth_get_hlen(card->info.link_type) + card->options.add_hhlen; | |
6083 | dev->addr_len = OSA_ADDR_LEN; | |
6084 | dev->mtu = card->info.initial_mtu; | |
6085 | ||
6086 | SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops); | |
6087 | ||
6088 | SET_MODULE_OWNER(dev); | |
6089 | return 0; | |
6090 | } | |
6091 | ||
6092 | static void | |
6093 | qeth_init_func_level(struct qeth_card *card) | |
6094 | { | |
6095 | if (card->ipato.enabled) { | |
6096 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
6097 | card->info.func_level = | |
6098 | QETH_IDX_FUNC_LEVEL_IQD_ENA_IPAT; | |
6099 | else | |
6100 | card->info.func_level = | |
6101 | QETH_IDX_FUNC_LEVEL_OSAE_ENA_IPAT; | |
6102 | } else { | |
6103 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
6104 | card->info.func_level = | |
6105 | QETH_IDX_FUNC_LEVEL_IQD_DIS_IPAT; | |
6106 | else | |
6107 | card->info.func_level = | |
6108 | QETH_IDX_FUNC_LEVEL_OSAE_DIS_IPAT; | |
6109 | } | |
6110 | } | |
6111 | ||
6112 | /** | |
6113 | * hardsetup card, initialize MPC and QDIO stuff | |
6114 | */ | |
6115 | static int | |
6116 | qeth_hardsetup_card(struct qeth_card *card) | |
6117 | { | |
6118 | int retries = 3; | |
6119 | int rc; | |
6120 | ||
6121 | QETH_DBF_TEXT(setup, 2, "hrdsetup"); | |
6122 | ||
6123 | retry: | |
6124 | if (retries < 3){ | |
6125 | PRINT_WARN("Retrying to do IDX activates.\n"); | |
6126 | ccw_device_set_offline(CARD_DDEV(card)); | |
6127 | ccw_device_set_offline(CARD_WDEV(card)); | |
6128 | ccw_device_set_offline(CARD_RDEV(card)); | |
6129 | ccw_device_set_online(CARD_RDEV(card)); | |
6130 | ccw_device_set_online(CARD_WDEV(card)); | |
6131 | ccw_device_set_online(CARD_DDEV(card)); | |
6132 | } | |
6133 | rc = qeth_qdio_clear_card(card,card->info.type==QETH_CARD_TYPE_OSAE); | |
6134 | if (rc == -ERESTARTSYS) { | |
6135 | QETH_DBF_TEXT(setup, 2, "break1"); | |
6136 | return rc; | |
6137 | } else if (rc) { | |
6138 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
6139 | if (--retries < 0) | |
6140 | goto out; | |
6141 | else | |
6142 | goto retry; | |
6143 | } | |
6144 | if ((rc = qeth_get_unitaddr(card))){ | |
6145 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
6146 | return rc; | |
6147 | } | |
6148 | qeth_init_tokens(card); | |
6149 | qeth_init_func_level(card); | |
6150 | rc = qeth_idx_activate_channel(&card->read, qeth_idx_read_cb); | |
6151 | if (rc == -ERESTARTSYS) { | |
6152 | QETH_DBF_TEXT(setup, 2, "break2"); | |
6153 | return rc; | |
6154 | } else if (rc) { | |
6155 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
6156 | if (--retries < 0) | |
6157 | goto out; | |
6158 | else | |
6159 | goto retry; | |
6160 | } | |
6161 | rc = qeth_idx_activate_channel(&card->write, qeth_idx_write_cb); | |
6162 | if (rc == -ERESTARTSYS) { | |
6163 | QETH_DBF_TEXT(setup, 2, "break3"); | |
6164 | return rc; | |
6165 | } else if (rc) { | |
6166 | QETH_DBF_TEXT_(setup, 2, "4err%d", rc); | |
6167 | if (--retries < 0) | |
6168 | goto out; | |
6169 | else | |
6170 | goto retry; | |
6171 | } | |
6172 | if ((rc = qeth_mpc_initialize(card))){ | |
6173 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
6174 | goto out; | |
6175 | } | |
6176 | /*network device will be recovered*/ | |
6177 | if (card->dev) { | |
6178 | card->dev->hard_header = card->orig_hard_header; | |
6179 | return 0; | |
6180 | } | |
6181 | /* at first set_online allocate netdev */ | |
6182 | card->dev = qeth_get_netdevice(card->info.type, | |
6183 | card->info.link_type); | |
6184 | if (!card->dev){ | |
6185 | qeth_qdio_clear_card(card, card->info.type == | |
6186 | QETH_CARD_TYPE_OSAE); | |
6187 | rc = -ENODEV; | |
6188 | QETH_DBF_TEXT_(setup, 2, "6err%d", rc); | |
6189 | goto out; | |
6190 | } | |
6191 | card->dev->priv = card; | |
6192 | card->orig_hard_header = card->dev->hard_header; | |
6193 | card->dev->type = qeth_get_arphdr_type(card->info.type, | |
6194 | card->info.link_type); | |
6195 | card->dev->init = qeth_netdev_init; | |
6196 | return 0; | |
6197 | out: | |
6198 | PRINT_ERR("Initialization in hardsetup failed! rc=%d\n", rc); | |
6199 | return rc; | |
6200 | } | |
6201 | ||
6202 | static int | |
6203 | qeth_default_setassparms_cb(struct qeth_card *card, struct qeth_reply *reply, | |
6204 | unsigned long data) | |
6205 | { | |
6206 | struct qeth_ipa_cmd *cmd; | |
6207 | ||
6208 | QETH_DBF_TEXT(trace,4,"defadpcb"); | |
6209 | ||
6210 | cmd = (struct qeth_ipa_cmd *) data; | |
6211 | if (cmd->hdr.return_code == 0){ | |
6212 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
6213 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
6214 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
6215 | #ifdef CONFIG_QETH_IPV6 | |
6216 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
6217 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
6218 | #endif | |
6219 | } | |
6220 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
6221 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
6222 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
6223 | QETH_DBF_TEXT_(trace, 3, "csum:%d", card->info.csum_mask); | |
6224 | } | |
6225 | return 0; | |
6226 | } | |
6227 | ||
6228 | static int | |
6229 | qeth_default_setadapterparms_cb(struct qeth_card *card, | |
6230 | struct qeth_reply *reply, | |
6231 | unsigned long data) | |
6232 | { | |
6233 | struct qeth_ipa_cmd *cmd; | |
6234 | ||
6235 | QETH_DBF_TEXT(trace,4,"defadpcb"); | |
6236 | ||
6237 | cmd = (struct qeth_ipa_cmd *) data; | |
6238 | if (cmd->hdr.return_code == 0) | |
6239 | cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; | |
6240 | return 0; | |
6241 | } | |
6242 | ||
6243 | static int | |
6244 | qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, | |
6245 | unsigned long data) | |
6246 | { | |
6247 | struct qeth_ipa_cmd *cmd; | |
6248 | ||
6249 | QETH_DBF_TEXT(trace,3,"quyadpcb"); | |
6250 | ||
6251 | cmd = (struct qeth_ipa_cmd *) data; | |
6252 | if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) | |
6253 | card->info.link_type = | |
6254 | cmd->data.setadapterparms.data.query_cmds_supp.lan_type; | |
6255 | card->options.adp.supported_funcs = | |
6256 | cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds; | |
6257 | return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); | |
6258 | } | |
6259 | ||
6260 | static int | |
6261 | qeth_query_setadapterparms(struct qeth_card *card) | |
6262 | { | |
6263 | int rc; | |
6264 | struct qeth_cmd_buffer *iob; | |
6265 | ||
6266 | QETH_DBF_TEXT(trace,3,"queryadp"); | |
6267 | iob = qeth_get_adapter_cmd(card, IPA_SETADP_QUERY_COMMANDS_SUPPORTED, | |
6268 | sizeof(struct qeth_ipacmd_setadpparms)); | |
6269 | rc = qeth_send_ipa_cmd(card, iob, qeth_query_setadapterparms_cb, NULL); | |
6270 | return rc; | |
6271 | } | |
6272 | ||
6273 | static int | |
6274 | qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, | |
6275 | struct qeth_reply *reply, | |
6276 | unsigned long data) | |
6277 | { | |
6278 | struct qeth_ipa_cmd *cmd; | |
6279 | ||
6280 | QETH_DBF_TEXT(trace,4,"chgmaccb"); | |
6281 | ||
6282 | cmd = (struct qeth_ipa_cmd *) data; | |
6283 | memcpy(card->dev->dev_addr, | |
6284 | &cmd->data.setadapterparms.data.change_addr.addr,OSA_ADDR_LEN); | |
6285 | qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); | |
6286 | return 0; | |
6287 | } | |
6288 | ||
6289 | static int | |
6290 | qeth_setadpparms_change_macaddr(struct qeth_card *card) | |
6291 | { | |
6292 | int rc; | |
6293 | struct qeth_cmd_buffer *iob; | |
6294 | struct qeth_ipa_cmd *cmd; | |
6295 | ||
6296 | QETH_DBF_TEXT(trace,4,"chgmac"); | |
6297 | ||
6298 | iob = qeth_get_adapter_cmd(card,IPA_SETADP_ALTER_MAC_ADDRESS, | |
6299 | sizeof(struct qeth_ipacmd_setadpparms)); | |
6300 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6301 | cmd->data.setadapterparms.data.change_addr.cmd = CHANGE_ADDR_READ_MAC; | |
6302 | cmd->data.setadapterparms.data.change_addr.addr_size = OSA_ADDR_LEN; | |
6303 | memcpy(&cmd->data.setadapterparms.data.change_addr.addr, | |
6304 | card->dev->dev_addr, OSA_ADDR_LEN); | |
6305 | rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_change_macaddr_cb, | |
6306 | NULL); | |
6307 | return rc; | |
6308 | } | |
6309 | ||
6310 | static int | |
6311 | qeth_send_setadp_mode(struct qeth_card *card, __u32 command, __u32 mode) | |
6312 | { | |
6313 | int rc; | |
6314 | struct qeth_cmd_buffer *iob; | |
6315 | struct qeth_ipa_cmd *cmd; | |
6316 | ||
6317 | QETH_DBF_TEXT(trace,4,"adpmode"); | |
6318 | ||
6319 | iob = qeth_get_adapter_cmd(card, command, | |
6320 | sizeof(struct qeth_ipacmd_setadpparms)); | |
6321 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6322 | cmd->data.setadapterparms.data.mode = mode; | |
6323 | rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, | |
6324 | NULL); | |
6325 | return rc; | |
6326 | } | |
6327 | ||
6328 | static inline int | |
6329 | qeth_setadapter_hstr(struct qeth_card *card) | |
6330 | { | |
6331 | int rc; | |
6332 | ||
6333 | QETH_DBF_TEXT(trace,4,"adphstr"); | |
6334 | ||
6335 | if (qeth_adp_supported(card,IPA_SETADP_SET_BROADCAST_MODE)) { | |
6336 | rc = qeth_send_setadp_mode(card, IPA_SETADP_SET_BROADCAST_MODE, | |
6337 | card->options.broadcast_mode); | |
6338 | if (rc) | |
6339 | PRINT_WARN("couldn't set broadcast mode on " | |
6340 | "device %s: x%x\n", | |
6341 | CARD_BUS_ID(card), rc); | |
6342 | rc = qeth_send_setadp_mode(card, IPA_SETADP_ALTER_MAC_ADDRESS, | |
6343 | card->options.macaddr_mode); | |
6344 | if (rc) | |
6345 | PRINT_WARN("couldn't set macaddr mode on " | |
6346 | "device %s: x%x\n", CARD_BUS_ID(card), rc); | |
6347 | return rc; | |
6348 | } | |
6349 | if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) | |
6350 | PRINT_WARN("set adapter parameters not available " | |
6351 | "to set broadcast mode, using ALLRINGS " | |
6352 | "on device %s:\n", CARD_BUS_ID(card)); | |
6353 | if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) | |
6354 | PRINT_WARN("set adapter parameters not available " | |
6355 | "to set macaddr mode, using NONCANONICAL " | |
6356 | "on device %s:\n", CARD_BUS_ID(card)); | |
6357 | return 0; | |
6358 | } | |
6359 | ||
6360 | static int | |
6361 | qeth_setadapter_parms(struct qeth_card *card) | |
6362 | { | |
6363 | int rc; | |
6364 | ||
6365 | QETH_DBF_TEXT(setup, 2, "setadprm"); | |
6366 | ||
6367 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)){ | |
6368 | PRINT_WARN("set adapter parameters not supported " | |
6369 | "on device %s.\n", | |
6370 | CARD_BUS_ID(card)); | |
6371 | QETH_DBF_TEXT(setup, 2, " notsupp"); | |
6372 | return 0; | |
6373 | } | |
6374 | rc = qeth_query_setadapterparms(card); | |
6375 | if (rc) { | |
6376 | PRINT_WARN("couldn't set adapter parameters on device %s: " | |
6377 | "x%x\n", CARD_BUS_ID(card), rc); | |
6378 | return rc; | |
6379 | } | |
6380 | if (qeth_adp_supported(card,IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
6381 | rc = qeth_setadpparms_change_macaddr(card); | |
6382 | if (rc) | |
6383 | PRINT_WARN("couldn't get MAC address on " | |
6384 | "device %s: x%x\n", | |
6385 | CARD_BUS_ID(card), rc); | |
6386 | } | |
6387 | ||
6388 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || | |
6389 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) | |
6390 | rc = qeth_setadapter_hstr(card); | |
6391 | ||
6392 | return rc; | |
6393 | } | |
6394 | ||
6395 | static int | |
6396 | qeth_layer2_initialize(struct qeth_card *card) | |
6397 | { | |
6398 | int rc = 0; | |
6399 | ||
6400 | ||
6401 | QETH_DBF_TEXT(setup, 2, "doL2init"); | |
6402 | QETH_DBF_TEXT_(setup, 2, "doL2%s", CARD_BUS_ID(card)); | |
6403 | ||
6404 | rc = qeth_setadpparms_change_macaddr(card); | |
6405 | if (rc) { | |
6406 | PRINT_WARN("couldn't get MAC address on " | |
6407 | "device %s: x%x\n", | |
6408 | CARD_BUS_ID(card), rc); | |
6409 | QETH_DBF_TEXT_(setup, 2,"1err%d",rc); | |
6410 | return rc; | |
6411 | } | |
6412 | QETH_DBF_HEX(setup,2, card->dev->dev_addr, OSA_ADDR_LEN); | |
6413 | ||
6414 | rc = qeth_layer2_send_setmac(card, &card->dev->dev_addr[0]); | |
6415 | if (rc) | |
6416 | QETH_DBF_TEXT_(setup, 2,"2err%d",rc); | |
6417 | return 0; | |
6418 | } | |
6419 | ||
6420 | ||
6421 | static int | |
6422 | qeth_send_startstoplan(struct qeth_card *card, enum qeth_ipa_cmds ipacmd, | |
6423 | enum qeth_prot_versions prot) | |
6424 | { | |
6425 | int rc; | |
6426 | struct qeth_cmd_buffer *iob; | |
6427 | ||
6428 | iob = qeth_get_ipacmd_buffer(card,ipacmd,prot); | |
6429 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
6430 | ||
6431 | return rc; | |
6432 | } | |
6433 | ||
6434 | static int | |
6435 | qeth_send_startlan(struct qeth_card *card, enum qeth_prot_versions prot) | |
6436 | { | |
6437 | int rc; | |
6438 | ||
6439 | QETH_DBF_TEXT_(setup, 2, "strtlan%i", prot); | |
6440 | ||
6441 | rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, prot); | |
6442 | return rc; | |
6443 | } | |
6444 | ||
6445 | static int | |
6446 | qeth_send_stoplan(struct qeth_card *card) | |
6447 | { | |
6448 | int rc = 0; | |
6449 | ||
6450 | /* | |
6451 | * TODO: according to the IPA format document page 14, | |
6452 | * TCP/IP (we!) never issue a STOPLAN | |
6453 | * is this right ?!? | |
6454 | */ | |
6455 | QETH_DBF_TEXT(trace, 2, "stoplan"); | |
6456 | ||
6457 | rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, QETH_PROT_IPV4); | |
6458 | return rc; | |
6459 | } | |
6460 | ||
6461 | static int | |
6462 | qeth_query_ipassists_cb(struct qeth_card *card, struct qeth_reply *reply, | |
6463 | unsigned long data) | |
6464 | { | |
6465 | struct qeth_ipa_cmd *cmd; | |
6466 | ||
6467 | QETH_DBF_TEXT(setup, 2, "qipasscb"); | |
6468 | ||
6469 | cmd = (struct qeth_ipa_cmd *) data; | |
6470 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) { | |
6471 | card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; | |
6472 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
6473 | } else { | |
6474 | #ifdef CONFIG_QETH_IPV6 | |
6475 | card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; | |
6476 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
6477 | #endif | |
6478 | } | |
6479 | QETH_DBF_TEXT(setup, 2, "suppenbl"); | |
6480 | QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_supported); | |
6481 | QETH_DBF_TEXT_(setup, 2, "%x",cmd->hdr.ipa_enabled); | |
6482 | return 0; | |
6483 | } | |
6484 | ||
6485 | static int | |
6486 | qeth_query_ipassists(struct qeth_card *card, enum qeth_prot_versions prot) | |
6487 | { | |
6488 | int rc; | |
6489 | struct qeth_cmd_buffer *iob; | |
6490 | ||
6491 | QETH_DBF_TEXT_(setup, 2, "qipassi%i", prot); | |
6492 | if (card->options.layer2) { | |
6493 | QETH_DBF_TEXT(setup, 2, "noprmly2"); | |
6494 | return -EPERM; | |
6495 | } | |
6496 | ||
6497 | iob = qeth_get_ipacmd_buffer(card,IPA_CMD_QIPASSIST,prot); | |
6498 | rc = qeth_send_ipa_cmd(card, iob, qeth_query_ipassists_cb, NULL); | |
6499 | return rc; | |
6500 | } | |
6501 | ||
6502 | static struct qeth_cmd_buffer * | |
6503 | qeth_get_setassparms_cmd(struct qeth_card *card, enum qeth_ipa_funcs ipa_func, | |
6504 | __u16 cmd_code, __u16 len, | |
6505 | enum qeth_prot_versions prot) | |
6506 | { | |
6507 | struct qeth_cmd_buffer *iob; | |
6508 | struct qeth_ipa_cmd *cmd; | |
6509 | ||
6510 | QETH_DBF_TEXT(trace,4,"getasscm"); | |
6511 | iob = qeth_get_ipacmd_buffer(card,IPA_CMD_SETASSPARMS,prot); | |
6512 | ||
6513 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6514 | cmd->data.setassparms.hdr.assist_no = ipa_func; | |
6515 | cmd->data.setassparms.hdr.length = 8 + len; | |
6516 | cmd->data.setassparms.hdr.command_code = cmd_code; | |
6517 | cmd->data.setassparms.hdr.return_code = 0; | |
6518 | cmd->data.setassparms.hdr.seq_no = 0; | |
6519 | ||
6520 | return iob; | |
6521 | } | |
6522 | ||
6523 | static int | |
6524 | qeth_send_setassparms(struct qeth_card *card, struct qeth_cmd_buffer *iob, | |
6525 | __u16 len, long data, | |
6526 | int (*reply_cb) | |
6527 | (struct qeth_card *,struct qeth_reply *,unsigned long), | |
6528 | void *reply_param) | |
6529 | { | |
6530 | int rc; | |
6531 | struct qeth_ipa_cmd *cmd; | |
6532 | ||
6533 | QETH_DBF_TEXT(trace,4,"sendassp"); | |
6534 | ||
6535 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6536 | if (len <= sizeof(__u32)) | |
6537 | cmd->data.setassparms.data.flags_32bit = (__u32) data; | |
6538 | else if (len > sizeof(__u32)) | |
6539 | memcpy(&cmd->data.setassparms.data, (void *) data, len); | |
6540 | ||
6541 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); | |
6542 | return rc; | |
6543 | } | |
6544 | ||
6545 | #ifdef CONFIG_QETH_IPV6 | |
6546 | static int | |
6547 | qeth_send_simple_setassparms_ipv6(struct qeth_card *card, | |
6548 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
6549 | ||
6550 | { | |
6551 | int rc; | |
6552 | struct qeth_cmd_buffer *iob; | |
6553 | ||
6554 | QETH_DBF_TEXT(trace,4,"simassp6"); | |
6555 | iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, | |
6556 | 0, QETH_PROT_IPV6); | |
6557 | rc = qeth_send_setassparms(card, iob, 0, 0, | |
6558 | qeth_default_setassparms_cb, NULL); | |
6559 | return rc; | |
6560 | } | |
6561 | #endif | |
6562 | ||
6563 | static int | |
6564 | qeth_send_simple_setassparms(struct qeth_card *card, | |
6565 | enum qeth_ipa_funcs ipa_func, | |
6566 | __u16 cmd_code, long data) | |
6567 | { | |
6568 | int rc; | |
6569 | int length = 0; | |
6570 | struct qeth_cmd_buffer *iob; | |
6571 | ||
6572 | QETH_DBF_TEXT(trace,4,"simassp4"); | |
6573 | if (data) | |
6574 | length = sizeof(__u32); | |
6575 | iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, | |
6576 | length, QETH_PROT_IPV4); | |
6577 | rc = qeth_send_setassparms(card, iob, length, data, | |
6578 | qeth_default_setassparms_cb, NULL); | |
6579 | return rc; | |
6580 | } | |
6581 | ||
6582 | static inline int | |
6583 | qeth_start_ipa_arp_processing(struct qeth_card *card) | |
6584 | { | |
6585 | int rc; | |
6586 | ||
6587 | QETH_DBF_TEXT(trace,3,"ipaarp"); | |
6588 | ||
6589 | if (!qeth_is_supported(card,IPA_ARP_PROCESSING)) { | |
6590 | PRINT_WARN("ARP processing not supported " | |
6591 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
6592 | return 0; | |
6593 | } | |
6594 | rc = qeth_send_simple_setassparms(card,IPA_ARP_PROCESSING, | |
6595 | IPA_CMD_ASS_START, 0); | |
6596 | if (rc) { | |
6597 | PRINT_WARN("Could not start ARP processing " | |
6598 | "assist on %s: 0x%x\n", | |
6599 | QETH_CARD_IFNAME(card), rc); | |
6600 | } | |
6601 | return rc; | |
6602 | } | |
6603 | ||
6604 | static int | |
6605 | qeth_start_ipa_ip_fragmentation(struct qeth_card *card) | |
6606 | { | |
6607 | int rc; | |
6608 | ||
6609 | QETH_DBF_TEXT(trace,3,"ipaipfrg"); | |
6610 | ||
6611 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
6612 | PRINT_INFO("Hardware IP fragmentation not supported on %s\n", | |
6613 | QETH_CARD_IFNAME(card)); | |
6614 | return -EOPNOTSUPP; | |
6615 | } | |
6616 | ||
6617 | rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, | |
6618 | IPA_CMD_ASS_START, 0); | |
6619 | if (rc) { | |
6620 | PRINT_WARN("Could not start Hardware IP fragmentation " | |
6621 | "assist on %s: 0x%x\n", | |
6622 | QETH_CARD_IFNAME(card), rc); | |
6623 | } else | |
6624 | PRINT_INFO("Hardware IP fragmentation enabled \n"); | |
6625 | return rc; | |
6626 | } | |
6627 | ||
6628 | static int | |
6629 | qeth_start_ipa_source_mac(struct qeth_card *card) | |
6630 | { | |
6631 | int rc; | |
6632 | ||
6633 | QETH_DBF_TEXT(trace,3,"stsrcmac"); | |
6634 | ||
6635 | if (!card->options.fake_ll) | |
6636 | return -EOPNOTSUPP; | |
6637 | ||
6638 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { | |
6639 | PRINT_INFO("Inbound source address not " | |
6640 | "supported on %s\n", QETH_CARD_IFNAME(card)); | |
6641 | return -EOPNOTSUPP; | |
6642 | } | |
6643 | ||
6644 | rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC, | |
6645 | IPA_CMD_ASS_START, 0); | |
6646 | if (rc) | |
6647 | PRINT_WARN("Could not start inbound source " | |
6648 | "assist on %s: 0x%x\n", | |
6649 | QETH_CARD_IFNAME(card), rc); | |
6650 | return rc; | |
6651 | } | |
6652 | ||
6653 | static int | |
6654 | qeth_start_ipa_vlan(struct qeth_card *card) | |
6655 | { | |
6656 | int rc = 0; | |
6657 | ||
6658 | QETH_DBF_TEXT(trace,3,"strtvlan"); | |
6659 | ||
6660 | #ifdef CONFIG_QETH_VLAN | |
6661 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
6662 | PRINT_WARN("VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
6663 | return -EOPNOTSUPP; | |
6664 | } | |
6665 | ||
6666 | rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO, | |
6667 | IPA_CMD_ASS_START,0); | |
6668 | if (rc) { | |
6669 | PRINT_WARN("Could not start vlan " | |
6670 | "assist on %s: 0x%x\n", | |
6671 | QETH_CARD_IFNAME(card), rc); | |
6672 | } else { | |
6673 | PRINT_INFO("VLAN enabled \n"); | |
6674 | card->dev->features |= | |
6675 | NETIF_F_HW_VLAN_FILTER | | |
6676 | NETIF_F_HW_VLAN_TX | | |
6677 | NETIF_F_HW_VLAN_RX; | |
6678 | } | |
6679 | #endif /* QETH_VLAN */ | |
6680 | return rc; | |
6681 | } | |
6682 | ||
6683 | static int | |
6684 | qeth_start_ipa_multicast(struct qeth_card *card) | |
6685 | { | |
6686 | int rc; | |
6687 | ||
6688 | QETH_DBF_TEXT(trace,3,"stmcast"); | |
6689 | ||
6690 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
6691 | PRINT_WARN("Multicast not supported on %s\n", | |
6692 | QETH_CARD_IFNAME(card)); | |
6693 | return -EOPNOTSUPP; | |
6694 | } | |
6695 | ||
6696 | rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING, | |
6697 | IPA_CMD_ASS_START,0); | |
6698 | if (rc) { | |
6699 | PRINT_WARN("Could not start multicast " | |
6700 | "assist on %s: rc=%i\n", | |
6701 | QETH_CARD_IFNAME(card), rc); | |
6702 | } else { | |
6703 | PRINT_INFO("Multicast enabled\n"); | |
6704 | card->dev->flags |= IFF_MULTICAST; | |
6705 | } | |
6706 | return rc; | |
6707 | } | |
6708 | ||
6709 | #ifdef CONFIG_QETH_IPV6 | |
6710 | static int | |
6711 | qeth_softsetup_ipv6(struct qeth_card *card) | |
6712 | { | |
6713 | int rc; | |
6714 | ||
6715 | QETH_DBF_TEXT(trace,3,"softipv6"); | |
6716 | ||
6717 | netif_stop_queue(card->dev); | |
6718 | rc = qeth_send_startlan(card, QETH_PROT_IPV6); | |
6719 | if (rc) { | |
6720 | PRINT_ERR("IPv6 startlan failed on %s\n", | |
6721 | QETH_CARD_IFNAME(card)); | |
6722 | return rc; | |
6723 | } | |
6724 | netif_wake_queue(card->dev); | |
6725 | rc = qeth_query_ipassists(card,QETH_PROT_IPV6); | |
6726 | if (rc) { | |
6727 | PRINT_ERR("IPv6 query ipassist failed on %s\n", | |
6728 | QETH_CARD_IFNAME(card)); | |
6729 | return rc; | |
6730 | } | |
6731 | rc = qeth_send_simple_setassparms(card, IPA_IPV6, | |
6732 | IPA_CMD_ASS_START, 3); | |
6733 | if (rc) { | |
6734 | PRINT_WARN("IPv6 start assist (version 4) failed " | |
6735 | "on %s: 0x%x\n", | |
6736 | QETH_CARD_IFNAME(card), rc); | |
6737 | return rc; | |
6738 | } | |
6739 | rc = qeth_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
6740 | IPA_CMD_ASS_START); | |
6741 | if (rc) { | |
6742 | PRINT_WARN("IPV6 start assist (version 6) failed " | |
6743 | "on %s: 0x%x\n", | |
6744 | QETH_CARD_IFNAME(card), rc); | |
6745 | return rc; | |
6746 | } | |
6747 | rc = qeth_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
6748 | IPA_CMD_ASS_START); | |
6749 | if (rc) { | |
6750 | PRINT_WARN("Could not enable passthrough " | |
6751 | "on %s: 0x%x\n", | |
6752 | QETH_CARD_IFNAME(card), rc); | |
6753 | return rc; | |
6754 | } | |
6755 | PRINT_INFO("IPV6 enabled \n"); | |
6756 | return 0; | |
6757 | } | |
6758 | ||
6759 | #endif | |
6760 | ||
6761 | static int | |
6762 | qeth_start_ipa_ipv6(struct qeth_card *card) | |
6763 | { | |
6764 | int rc = 0; | |
6765 | #ifdef CONFIG_QETH_IPV6 | |
6766 | QETH_DBF_TEXT(trace,3,"strtipv6"); | |
6767 | ||
6768 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
6769 | PRINT_WARN("IPv6 not supported on %s\n", | |
6770 | QETH_CARD_IFNAME(card)); | |
6771 | return 0; | |
6772 | } | |
6773 | rc = qeth_softsetup_ipv6(card); | |
6774 | #endif | |
6775 | return rc ; | |
6776 | } | |
6777 | ||
6778 | static int | |
6779 | qeth_start_ipa_broadcast(struct qeth_card *card) | |
6780 | { | |
6781 | int rc; | |
6782 | ||
6783 | QETH_DBF_TEXT(trace,3,"stbrdcst"); | |
6784 | card->info.broadcast_capable = 0; | |
6785 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
6786 | PRINT_WARN("Broadcast not supported on %s\n", | |
6787 | QETH_CARD_IFNAME(card)); | |
6788 | rc = -EOPNOTSUPP; | |
6789 | goto out; | |
6790 | } | |
6791 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, | |
6792 | IPA_CMD_ASS_START, 0); | |
6793 | if (rc) { | |
6794 | PRINT_WARN("Could not enable broadcasting filtering " | |
6795 | "on %s: 0x%x\n", | |
6796 | QETH_CARD_IFNAME(card), rc); | |
6797 | goto out; | |
6798 | } | |
6799 | ||
6800 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, | |
6801 | IPA_CMD_ASS_CONFIGURE, 1); | |
6802 | if (rc) { | |
6803 | PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n", | |
6804 | QETH_CARD_IFNAME(card), rc); | |
6805 | goto out; | |
6806 | } | |
6807 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
6808 | PRINT_INFO("Broadcast enabled \n"); | |
6809 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, | |
6810 | IPA_CMD_ASS_ENABLE, 1); | |
6811 | if (rc) { | |
6812 | PRINT_WARN("Could not set up broadcast echo filtering on " | |
6813 | "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc); | |
6814 | goto out; | |
6815 | } | |
6816 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
6817 | out: | |
6818 | if (card->info.broadcast_capable) | |
6819 | card->dev->flags |= IFF_BROADCAST; | |
6820 | else | |
6821 | card->dev->flags &= ~IFF_BROADCAST; | |
6822 | return rc; | |
6823 | } | |
6824 | ||
6825 | static int | |
6826 | qeth_send_checksum_command(struct qeth_card *card) | |
6827 | { | |
6828 | int rc; | |
6829 | ||
6830 | rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
6831 | IPA_CMD_ASS_START, 0); | |
6832 | if (rc) { | |
6833 | PRINT_WARN("Starting Inbound HW Checksumming failed on %s: " | |
6834 | "0x%x,\ncontinuing using Inbound SW Checksumming\n", | |
6835 | QETH_CARD_IFNAME(card), rc); | |
6836 | return rc; | |
6837 | } | |
6838 | rc = qeth_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
6839 | IPA_CMD_ASS_ENABLE, | |
6840 | card->info.csum_mask); | |
6841 | if (rc) { | |
6842 | PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: " | |
6843 | "0x%x,\ncontinuing using Inbound SW Checksumming\n", | |
6844 | QETH_CARD_IFNAME(card), rc); | |
6845 | return rc; | |
6846 | } | |
6847 | return 0; | |
6848 | } | |
6849 | ||
6850 | static int | |
6851 | qeth_start_ipa_checksum(struct qeth_card *card) | |
6852 | { | |
6853 | int rc = 0; | |
6854 | ||
6855 | QETH_DBF_TEXT(trace,3,"strtcsum"); | |
6856 | ||
6857 | if (card->options.checksum_type == NO_CHECKSUMMING) { | |
6858 | PRINT_WARN("Using no checksumming on %s.\n", | |
6859 | QETH_CARD_IFNAME(card)); | |
6860 | return 0; | |
6861 | } | |
6862 | if (card->options.checksum_type == SW_CHECKSUMMING) { | |
6863 | PRINT_WARN("Using SW checksumming on %s.\n", | |
6864 | QETH_CARD_IFNAME(card)); | |
6865 | return 0; | |
6866 | } | |
6867 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { | |
6868 | PRINT_WARN("Inbound HW Checksumming not " | |
6869 | "supported on %s,\ncontinuing " | |
6870 | "using Inbound SW Checksumming\n", | |
6871 | QETH_CARD_IFNAME(card)); | |
6872 | card->options.checksum_type = SW_CHECKSUMMING; | |
6873 | return 0; | |
6874 | } | |
6875 | rc = qeth_send_checksum_command(card); | |
6876 | if (!rc) { | |
6877 | PRINT_INFO("HW Checksumming (inbound) enabled \n"); | |
6878 | } | |
6879 | return rc; | |
6880 | } | |
6881 | ||
6882 | static int | |
6883 | qeth_start_ipa_tso(struct qeth_card *card) | |
6884 | { | |
6885 | int rc; | |
6886 | ||
6887 | QETH_DBF_TEXT(trace,3,"sttso"); | |
6888 | ||
6889 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
6890 | PRINT_WARN("Outbound TSO not supported on %s\n", | |
6891 | QETH_CARD_IFNAME(card)); | |
6892 | rc = -EOPNOTSUPP; | |
6893 | } else { | |
6894 | rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO, | |
6895 | IPA_CMD_ASS_START,0); | |
6896 | if (rc) | |
6897 | PRINT_WARN("Could not start outbound TSO " | |
6898 | "assist on %s: rc=%i\n", | |
6899 | QETH_CARD_IFNAME(card), rc); | |
6900 | else | |
6901 | PRINT_INFO("Outbound TSO enabled\n"); | |
6902 | } | |
6903 | if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)){ | |
6904 | card->options.large_send = QETH_LARGE_SEND_NO; | |
6905 | card->dev->features &= ~ (NETIF_F_TSO | NETIF_F_SG); | |
6906 | } | |
6907 | return rc; | |
6908 | } | |
6909 | ||
6910 | static int | |
6911 | qeth_start_ipassists(struct qeth_card *card) | |
6912 | { | |
6913 | QETH_DBF_TEXT(trace,3,"strtipas"); | |
6914 | qeth_start_ipa_arp_processing(card); /* go on*/ | |
6915 | qeth_start_ipa_ip_fragmentation(card); /* go on*/ | |
6916 | qeth_start_ipa_source_mac(card); /* go on*/ | |
6917 | qeth_start_ipa_vlan(card); /* go on*/ | |
6918 | qeth_start_ipa_multicast(card); /* go on*/ | |
6919 | qeth_start_ipa_ipv6(card); /* go on*/ | |
6920 | qeth_start_ipa_broadcast(card); /* go on*/ | |
6921 | qeth_start_ipa_checksum(card); /* go on*/ | |
6922 | qeth_start_ipa_tso(card); /* go on*/ | |
6923 | return 0; | |
6924 | } | |
6925 | ||
6926 | static int | |
6927 | qeth_send_setrouting(struct qeth_card *card, enum qeth_routing_types type, | |
6928 | enum qeth_prot_versions prot) | |
6929 | { | |
6930 | int rc; | |
6931 | struct qeth_ipa_cmd *cmd; | |
6932 | struct qeth_cmd_buffer *iob; | |
6933 | ||
6934 | QETH_DBF_TEXT(trace,4,"setroutg"); | |
6935 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); | |
6936 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
6937 | cmd->data.setrtg.type = (type); | |
6938 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
6939 | ||
6940 | return rc; | |
6941 | ||
6942 | } | |
6943 | ||
6944 | static void | |
6945 | qeth_correct_routing_type(struct qeth_card *card, enum qeth_routing_types *type, | |
6946 | enum qeth_prot_versions prot) | |
6947 | { | |
6948 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
6949 | switch (*type) { | |
6950 | case NO_ROUTER: | |
6951 | case PRIMARY_CONNECTOR: | |
6952 | case SECONDARY_CONNECTOR: | |
6953 | case MULTICAST_ROUTER: | |
6954 | return; | |
6955 | default: | |
6956 | goto out_inval; | |
6957 | } | |
6958 | } else { | |
6959 | switch (*type) { | |
6960 | case NO_ROUTER: | |
6961 | case PRIMARY_ROUTER: | |
6962 | case SECONDARY_ROUTER: | |
6963 | return; | |
6964 | case MULTICAST_ROUTER: | |
6965 | if (qeth_is_ipafunc_supported(card, prot, | |
6966 | IPA_OSA_MC_ROUTER)) | |
6967 | return; | |
6968 | default: | |
6969 | goto out_inval; | |
6970 | } | |
6971 | } | |
6972 | out_inval: | |
6973 | PRINT_WARN("Routing type '%s' not supported for interface %s.\n" | |
6974 | "Router status set to 'no router'.\n", | |
6975 | ((*type == PRIMARY_ROUTER)? "primary router" : | |
6976 | (*type == SECONDARY_ROUTER)? "secondary router" : | |
6977 | (*type == PRIMARY_CONNECTOR)? "primary connector" : | |
6978 | (*type == SECONDARY_CONNECTOR)? "secondary connector" : | |
6979 | (*type == MULTICAST_ROUTER)? "multicast router" : | |
6980 | "unknown"), | |
6981 | card->dev->name); | |
6982 | *type = NO_ROUTER; | |
6983 | } | |
6984 | ||
6985 | int | |
6986 | qeth_setrouting_v4(struct qeth_card *card) | |
6987 | { | |
6988 | int rc; | |
6989 | ||
6990 | QETH_DBF_TEXT(trace,3,"setrtg4"); | |
6991 | ||
6992 | qeth_correct_routing_type(card, &card->options.route4.type, | |
6993 | QETH_PROT_IPV4); | |
6994 | ||
6995 | rc = qeth_send_setrouting(card, card->options.route4.type, | |
6996 | QETH_PROT_IPV4); | |
6997 | if (rc) { | |
6998 | card->options.route4.type = NO_ROUTER; | |
6999 | PRINT_WARN("Error (0x%04x) while setting routing type on %s. " | |
7000 | "Type set to 'no router'.\n", | |
7001 | rc, QETH_CARD_IFNAME(card)); | |
7002 | } | |
7003 | return rc; | |
7004 | } | |
7005 | ||
7006 | int | |
7007 | qeth_setrouting_v6(struct qeth_card *card) | |
7008 | { | |
7009 | int rc = 0; | |
7010 | ||
7011 | QETH_DBF_TEXT(trace,3,"setrtg6"); | |
7012 | #ifdef CONFIG_QETH_IPV6 | |
7013 | ||
7014 | qeth_correct_routing_type(card, &card->options.route6.type, | |
7015 | QETH_PROT_IPV6); | |
7016 | ||
7017 | if ((card->options.route6.type == NO_ROUTER) || | |
7018 | ((card->info.type == QETH_CARD_TYPE_OSAE) && | |
7019 | (card->options.route6.type == MULTICAST_ROUTER) && | |
7020 | !qeth_is_supported6(card,IPA_OSA_MC_ROUTER))) | |
7021 | return 0; | |
7022 | rc = qeth_send_setrouting(card, card->options.route6.type, | |
7023 | QETH_PROT_IPV6); | |
7024 | if (rc) { | |
7025 | card->options.route6.type = NO_ROUTER; | |
7026 | PRINT_WARN("Error (0x%04x) while setting routing type on %s. " | |
7027 | "Type set to 'no router'.\n", | |
7028 | rc, QETH_CARD_IFNAME(card)); | |
7029 | } | |
7030 | #endif | |
7031 | return rc; | |
7032 | } | |
7033 | ||
7034 | int | |
9cb90de8 | 7035 | qeth_set_large_send(struct qeth_card *card, enum qeth_large_send_types type) |
1da177e4 LT |
7036 | { |
7037 | int rc = 0; | |
7038 | ||
9cb90de8 FP |
7039 | if (card->dev == NULL) { |
7040 | card->options.large_send = type; | |
1da177e4 | 7041 | return 0; |
9cb90de8 | 7042 | } |
1da177e4 | 7043 | netif_stop_queue(card->dev); |
9cb90de8 | 7044 | card->options.large_send = type; |
1da177e4 LT |
7045 | switch (card->options.large_send) { |
7046 | case QETH_LARGE_SEND_EDDP: | |
7047 | card->dev->features |= NETIF_F_TSO | NETIF_F_SG; | |
7048 | break; | |
7049 | case QETH_LARGE_SEND_TSO: | |
7050 | if (qeth_is_supported(card, IPA_OUTBOUND_TSO)){ | |
7051 | card->dev->features |= NETIF_F_TSO | NETIF_F_SG; | |
7052 | } else { | |
7053 | PRINT_WARN("TSO not supported on %s. " | |
7054 | "large_send set to 'no'.\n", | |
7055 | card->dev->name); | |
7056 | card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); | |
7057 | card->options.large_send = QETH_LARGE_SEND_NO; | |
7058 | rc = -EOPNOTSUPP; | |
7059 | } | |
7060 | break; | |
7061 | default: /* includes QETH_LARGE_SEND_NO */ | |
7062 | card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); | |
7063 | break; | |
7064 | } | |
1da177e4 LT |
7065 | netif_wake_queue(card->dev); |
7066 | return rc; | |
7067 | } | |
7068 | ||
7069 | /* | |
7070 | * softsetup card: init IPA stuff | |
7071 | */ | |
7072 | static int | |
7073 | qeth_softsetup_card(struct qeth_card *card) | |
7074 | { | |
7075 | int rc; | |
7076 | ||
7077 | QETH_DBF_TEXT(setup, 2, "softsetp"); | |
7078 | ||
7079 | if ((rc = qeth_send_startlan(card, QETH_PROT_IPV4))){ | |
7080 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
7081 | if (rc == 0xe080){ | |
7082 | PRINT_WARN("LAN on card %s if offline! " | |
7083 | "Continuing softsetup.\n", | |
7084 | CARD_BUS_ID(card)); | |
7085 | card->lan_online = 0; | |
7086 | } else | |
7087 | return rc; | |
7088 | } else | |
7089 | card->lan_online = 1; | |
7090 | if (card->options.layer2) { | |
7091 | card->dev->features |= | |
7092 | NETIF_F_HW_VLAN_FILTER | | |
7093 | NETIF_F_HW_VLAN_TX | | |
7094 | NETIF_F_HW_VLAN_RX; | |
7095 | card->dev->flags|=IFF_MULTICAST|IFF_BROADCAST; | |
7096 | card->info.broadcast_capable=1; | |
7097 | if ((rc = qeth_layer2_initialize(card))) { | |
7098 | QETH_DBF_TEXT_(setup, 2, "L2err%d", rc); | |
7099 | return rc; | |
7100 | } | |
7101 | #ifdef CONFIG_QETH_VLAN | |
7102 | qeth_layer2_process_vlans(card, 0); | |
7103 | #endif | |
7104 | goto out; | |
7105 | } | |
7106 | if ((card->options.large_send == QETH_LARGE_SEND_EDDP) || | |
7107 | (card->options.large_send == QETH_LARGE_SEND_TSO)) | |
7108 | card->dev->features |= NETIF_F_TSO | NETIF_F_SG; | |
7109 | else | |
7110 | card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); | |
7111 | ||
7112 | if ((rc = qeth_setadapter_parms(card))) | |
7113 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
7114 | if ((rc = qeth_start_ipassists(card))) | |
7115 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
7116 | if ((rc = qeth_setrouting_v4(card))) | |
7117 | QETH_DBF_TEXT_(setup, 2, "4err%d", rc); | |
7118 | if ((rc = qeth_setrouting_v6(card))) | |
7119 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
7120 | out: | |
7121 | netif_stop_queue(card->dev); | |
7122 | return 0; | |
7123 | } | |
7124 | ||
7125 | #ifdef CONFIG_QETH_IPV6 | |
7126 | static int | |
7127 | qeth_get_unique_id_cb(struct qeth_card *card, struct qeth_reply *reply, | |
7128 | unsigned long data) | |
7129 | { | |
7130 | struct qeth_ipa_cmd *cmd; | |
7131 | ||
7132 | cmd = (struct qeth_ipa_cmd *) data; | |
7133 | if (cmd->hdr.return_code == 0) | |
7134 | card->info.unique_id = *((__u16 *) | |
7135 | &cmd->data.create_destroy_addr.unique_id[6]); | |
7136 | else { | |
7137 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
7138 | UNIQUE_ID_NOT_BY_CARD; | |
7139 | PRINT_WARN("couldn't get a unique id from the card on device " | |
7140 | "%s (result=x%x), using default id. ipv6 " | |
7141 | "autoconfig on other lpars may lead to duplicate " | |
7142 | "ip addresses. please use manually " | |
7143 | "configured ones.\n", | |
7144 | CARD_BUS_ID(card), cmd->hdr.return_code); | |
7145 | } | |
7146 | return 0; | |
7147 | } | |
7148 | #endif | |
7149 | ||
7150 | static int | |
7151 | qeth_put_unique_id(struct qeth_card *card) | |
7152 | { | |
7153 | ||
7154 | int rc = 0; | |
7155 | #ifdef CONFIG_QETH_IPV6 | |
7156 | struct qeth_cmd_buffer *iob; | |
7157 | struct qeth_ipa_cmd *cmd; | |
7158 | ||
7159 | QETH_DBF_TEXT(trace,2,"puniqeid"); | |
7160 | ||
7161 | if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) == | |
7162 | UNIQUE_ID_NOT_BY_CARD) | |
7163 | return -1; | |
7164 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR, | |
7165 | QETH_PROT_IPV6); | |
7166 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
7167 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
7168 | card->info.unique_id; | |
7169 | memcpy(&cmd->data.create_destroy_addr.unique_id[0], | |
7170 | card->dev->dev_addr, OSA_ADDR_LEN); | |
7171 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
7172 | #else | |
7173 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
7174 | UNIQUE_ID_NOT_BY_CARD; | |
7175 | #endif | |
7176 | return rc; | |
7177 | } | |
7178 | ||
7179 | /** | |
7180 | * Clear IP List | |
7181 | */ | |
7182 | static void | |
7183 | qeth_clear_ip_list(struct qeth_card *card, int clean, int recover) | |
7184 | { | |
7185 | struct qeth_ipaddr *addr, *tmp; | |
7186 | unsigned long flags; | |
7187 | ||
7188 | QETH_DBF_TEXT(trace,4,"clearip"); | |
7189 | spin_lock_irqsave(&card->ip_lock, flags); | |
7190 | /* clear todo list */ | |
7191 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry){ | |
7192 | list_del(&addr->entry); | |
7193 | kfree(addr); | |
7194 | } | |
7195 | ||
7196 | while (!list_empty(&card->ip_list)) { | |
7197 | addr = list_entry(card->ip_list.next, | |
7198 | struct qeth_ipaddr, entry); | |
7199 | list_del_init(&addr->entry); | |
7200 | if (clean) { | |
7201 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7202 | qeth_deregister_addr_entry(card, addr); | |
7203 | spin_lock_irqsave(&card->ip_lock, flags); | |
7204 | } | |
7205 | if (!recover || addr->is_multicast) { | |
7206 | kfree(addr); | |
7207 | continue; | |
7208 | } | |
7209 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
7210 | } | |
7211 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7212 | } | |
7213 | ||
7214 | static void | |
7215 | qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads, | |
7216 | int clear_start_mask) | |
7217 | { | |
7218 | unsigned long flags; | |
7219 | ||
7220 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
7221 | card->thread_allowed_mask = threads; | |
7222 | if (clear_start_mask) | |
7223 | card->thread_start_mask &= threads; | |
7224 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
7225 | wake_up(&card->wait_q); | |
7226 | } | |
7227 | ||
7228 | static inline int | |
7229 | qeth_threads_running(struct qeth_card *card, unsigned long threads) | |
7230 | { | |
7231 | unsigned long flags; | |
7232 | int rc = 0; | |
7233 | ||
7234 | spin_lock_irqsave(&card->thread_mask_lock, flags); | |
7235 | rc = (card->thread_running_mask & threads); | |
7236 | spin_unlock_irqrestore(&card->thread_mask_lock, flags); | |
7237 | return rc; | |
7238 | } | |
7239 | ||
7240 | static int | |
7241 | qeth_wait_for_threads(struct qeth_card *card, unsigned long threads) | |
7242 | { | |
7243 | return wait_event_interruptible(card->wait_q, | |
7244 | qeth_threads_running(card, threads) == 0); | |
7245 | } | |
7246 | ||
7247 | static int | |
05e08a2a | 7248 | qeth_stop_card(struct qeth_card *card, int recovery_mode) |
1da177e4 LT |
7249 | { |
7250 | int rc = 0; | |
7251 | ||
7252 | QETH_DBF_TEXT(setup ,2,"stopcard"); | |
7253 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
7254 | ||
7255 | qeth_set_allowed_threads(card, 0, 1); | |
7256 | if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) | |
7257 | return -ERESTARTSYS; | |
7258 | if (card->read.state == CH_STATE_UP && | |
7259 | card->write.state == CH_STATE_UP && | |
7260 | (card->state == CARD_STATE_UP)) { | |
05e08a2a FP |
7261 | if(recovery_mode) { |
7262 | qeth_stop(card->dev); | |
7263 | } else { | |
7264 | rtnl_lock(); | |
7265 | dev_close(card->dev); | |
7266 | rtnl_unlock(); | |
7267 | } | |
1da177e4 LT |
7268 | if (!card->use_hard_stop) { |
7269 | __u8 *mac = &card->dev->dev_addr[0]; | |
7270 | rc = qeth_layer2_send_delmac(card, mac); | |
7271 | QETH_DBF_TEXT_(setup, 2, "Lerr%d", rc); | |
7272 | if ((rc = qeth_send_stoplan(card))) | |
7273 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
7274 | } | |
7275 | card->state = CARD_STATE_SOFTSETUP; | |
7276 | } | |
7277 | if (card->state == CARD_STATE_SOFTSETUP) { | |
7278 | #ifdef CONFIG_QETH_VLAN | |
7279 | if (card->options.layer2) | |
7280 | qeth_layer2_process_vlans(card, 1); | |
7281 | #endif | |
7282 | qeth_clear_ip_list(card, !card->use_hard_stop, 1); | |
7283 | qeth_clear_ipacmd_list(card); | |
7284 | card->state = CARD_STATE_HARDSETUP; | |
7285 | } | |
7286 | if (card->state == CARD_STATE_HARDSETUP) { | |
7287 | if ((!card->use_hard_stop) && | |
7288 | (!card->options.layer2)) | |
7289 | if ((rc = qeth_put_unique_id(card))) | |
7290 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
7291 | qeth_qdio_clear_card(card, 0); | |
7292 | qeth_clear_qdio_buffers(card); | |
7293 | qeth_clear_working_pool_list(card); | |
7294 | card->state = CARD_STATE_DOWN; | |
7295 | } | |
7296 | if (card->state == CARD_STATE_DOWN) { | |
7297 | qeth_clear_cmd_buffers(&card->read); | |
7298 | qeth_clear_cmd_buffers(&card->write); | |
7299 | } | |
7300 | card->use_hard_stop = 0; | |
7301 | return rc; | |
7302 | } | |
7303 | ||
7304 | ||
7305 | static int | |
7306 | qeth_get_unique_id(struct qeth_card *card) | |
7307 | { | |
7308 | int rc = 0; | |
7309 | #ifdef CONFIG_QETH_IPV6 | |
7310 | struct qeth_cmd_buffer *iob; | |
7311 | struct qeth_ipa_cmd *cmd; | |
7312 | ||
7313 | QETH_DBF_TEXT(setup, 2, "guniqeid"); | |
7314 | ||
7315 | if (!qeth_is_supported(card,IPA_IPV6)) { | |
7316 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
7317 | UNIQUE_ID_NOT_BY_CARD; | |
7318 | return 0; | |
7319 | } | |
7320 | ||
7321 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
7322 | QETH_PROT_IPV6); | |
7323 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
7324 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
7325 | card->info.unique_id; | |
7326 | ||
7327 | rc = qeth_send_ipa_cmd(card, iob, qeth_get_unique_id_cb, NULL); | |
7328 | #else | |
7329 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
7330 | UNIQUE_ID_NOT_BY_CARD; | |
7331 | #endif | |
7332 | return rc; | |
7333 | } | |
7334 | static void | |
7335 | qeth_print_status_with_portname(struct qeth_card *card) | |
7336 | { | |
7337 | char dbf_text[15]; | |
7338 | int i; | |
7339 | ||
7340 | sprintf(dbf_text, "%s", card->info.portname + 1); | |
7341 | for (i = 0; i < 8; i++) | |
7342 | dbf_text[i] = | |
7343 | (char) _ebcasc[(__u8) dbf_text[i]]; | |
7344 | dbf_text[8] = 0; | |
7345 | printk("qeth: Device %s/%s/%s is a%s card%s%s%s\n" | |
7346 | "with link type %s (portname: %s)\n", | |
7347 | CARD_RDEV_ID(card), | |
7348 | CARD_WDEV_ID(card), | |
7349 | CARD_DDEV_ID(card), | |
7350 | qeth_get_cardname(card), | |
7351 | (card->info.mcl_level[0]) ? " (level: " : "", | |
7352 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
7353 | (card->info.mcl_level[0]) ? ")" : "", | |
7354 | qeth_get_cardname_short(card), | |
7355 | dbf_text); | |
7356 | ||
7357 | } | |
7358 | ||
7359 | static void | |
7360 | qeth_print_status_no_portname(struct qeth_card *card) | |
7361 | { | |
7362 | if (card->info.portname[0]) | |
7363 | printk("qeth: Device %s/%s/%s is a%s " | |
7364 | "card%s%s%s\nwith link type %s " | |
7365 | "(no portname needed by interface).\n", | |
7366 | CARD_RDEV_ID(card), | |
7367 | CARD_WDEV_ID(card), | |
7368 | CARD_DDEV_ID(card), | |
7369 | qeth_get_cardname(card), | |
7370 | (card->info.mcl_level[0]) ? " (level: " : "", | |
7371 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
7372 | (card->info.mcl_level[0]) ? ")" : "", | |
7373 | qeth_get_cardname_short(card)); | |
7374 | else | |
7375 | printk("qeth: Device %s/%s/%s is a%s " | |
7376 | "card%s%s%s\nwith link type %s.\n", | |
7377 | CARD_RDEV_ID(card), | |
7378 | CARD_WDEV_ID(card), | |
7379 | CARD_DDEV_ID(card), | |
7380 | qeth_get_cardname(card), | |
7381 | (card->info.mcl_level[0]) ? " (level: " : "", | |
7382 | (card->info.mcl_level[0]) ? card->info.mcl_level : "", | |
7383 | (card->info.mcl_level[0]) ? ")" : "", | |
7384 | qeth_get_cardname_short(card)); | |
7385 | } | |
7386 | ||
7387 | static void | |
7388 | qeth_print_status_message(struct qeth_card *card) | |
7389 | { | |
7390 | switch (card->info.type) { | |
7391 | case QETH_CARD_TYPE_OSAE: | |
7392 | /* VM will use a non-zero first character | |
7393 | * to indicate a HiperSockets like reporting | |
7394 | * of the level OSA sets the first character to zero | |
7395 | * */ | |
7396 | if (!card->info.mcl_level[0]) { | |
7397 | sprintf(card->info.mcl_level,"%02x%02x", | |
7398 | card->info.mcl_level[2], | |
7399 | card->info.mcl_level[3]); | |
7400 | ||
7401 | card->info.mcl_level[QETH_MCL_LENGTH] = 0; | |
7402 | break; | |
7403 | } | |
7404 | /* fallthrough */ | |
7405 | case QETH_CARD_TYPE_IQD: | |
7406 | card->info.mcl_level[0] = (char) _ebcasc[(__u8) | |
7407 | card->info.mcl_level[0]]; | |
7408 | card->info.mcl_level[1] = (char) _ebcasc[(__u8) | |
7409 | card->info.mcl_level[1]]; | |
7410 | card->info.mcl_level[2] = (char) _ebcasc[(__u8) | |
7411 | card->info.mcl_level[2]]; | |
7412 | card->info.mcl_level[3] = (char) _ebcasc[(__u8) | |
7413 | card->info.mcl_level[3]]; | |
7414 | card->info.mcl_level[QETH_MCL_LENGTH] = 0; | |
7415 | break; | |
7416 | default: | |
7417 | memset(&card->info.mcl_level[0], 0, QETH_MCL_LENGTH + 1); | |
7418 | } | |
7419 | if (card->info.portname_required) | |
7420 | qeth_print_status_with_portname(card); | |
7421 | else | |
7422 | qeth_print_status_no_portname(card); | |
7423 | } | |
7424 | ||
7425 | static int | |
7426 | qeth_register_netdev(struct qeth_card *card) | |
7427 | { | |
7428 | QETH_DBF_TEXT(setup, 3, "regnetd"); | |
7429 | if (card->dev->reg_state != NETREG_UNINITIALIZED) { | |
7430 | qeth_netdev_init(card->dev); | |
7431 | return 0; | |
7432 | } | |
7433 | /* sysfs magic */ | |
7434 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
7435 | return register_netdev(card->dev); | |
7436 | } | |
7437 | ||
7438 | static void | |
05e08a2a | 7439 | qeth_start_again(struct qeth_card *card, int recovery_mode) |
1da177e4 LT |
7440 | { |
7441 | QETH_DBF_TEXT(setup ,2, "startag"); | |
7442 | ||
05e08a2a FP |
7443 | if(recovery_mode) { |
7444 | qeth_open(card->dev); | |
7445 | } else { | |
7446 | rtnl_lock(); | |
7447 | dev_open(card->dev); | |
7448 | rtnl_unlock(); | |
7449 | } | |
1da177e4 LT |
7450 | /* this also sets saved unicast addresses */ |
7451 | qeth_set_multicast_list(card->dev); | |
7452 | } | |
7453 | ||
7454 | ||
7455 | /* Layer 2 specific stuff */ | |
7456 | #define IGNORE_PARAM_EQ(option,value,reset_value,msg) \ | |
7457 | if (card->options.option == value) { \ | |
7458 | PRINT_ERR("%s not supported with layer 2 " \ | |
7459 | "functionality, ignoring option on read" \ | |
7460 | "channel device %s .\n",msg,CARD_RDEV_ID(card)); \ | |
7461 | card->options.option = reset_value; \ | |
7462 | } | |
7463 | #define IGNORE_PARAM_NEQ(option,value,reset_value,msg) \ | |
7464 | if (card->options.option != value) { \ | |
7465 | PRINT_ERR("%s not supported with layer 2 " \ | |
7466 | "functionality, ignoring option on read" \ | |
7467 | "channel device %s .\n",msg,CARD_RDEV_ID(card)); \ | |
7468 | card->options.option = reset_value; \ | |
7469 | } | |
7470 | ||
7471 | ||
7472 | static void qeth_make_parameters_consistent(struct qeth_card *card) | |
7473 | { | |
7474 | ||
7475 | if (card->options.layer2) { | |
7476 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
7477 | PRINT_ERR("Device %s does not support " \ | |
7478 | "layer 2 functionality. " \ | |
7479 | "Ignoring layer2 option.\n",CARD_BUS_ID(card)); | |
7480 | } | |
7481 | IGNORE_PARAM_NEQ(route4.type, NO_ROUTER, NO_ROUTER, | |
7482 | "Routing options are"); | |
7483 | #ifdef CONFIG_QETH_IPV6 | |
7484 | IGNORE_PARAM_NEQ(route6.type, NO_ROUTER, NO_ROUTER, | |
7485 | "Routing options are"); | |
7486 | #endif | |
7487 | IGNORE_PARAM_EQ(checksum_type, HW_CHECKSUMMING, | |
7488 | QETH_CHECKSUM_DEFAULT, | |
7489 | "Checksumming options are"); | |
7490 | IGNORE_PARAM_NEQ(broadcast_mode, QETH_TR_BROADCAST_ALLRINGS, | |
7491 | QETH_TR_BROADCAST_ALLRINGS, | |
7492 | "Broadcast mode options are"); | |
7493 | IGNORE_PARAM_NEQ(macaddr_mode, QETH_TR_MACADDR_NONCANONICAL, | |
7494 | QETH_TR_MACADDR_NONCANONICAL, | |
7495 | "Canonical MAC addr options are"); | |
7496 | IGNORE_PARAM_NEQ(fake_broadcast, 0, 0, | |
7497 | "Broadcast faking options are"); | |
7498 | IGNORE_PARAM_NEQ(add_hhlen, DEFAULT_ADD_HHLEN, | |
7499 | DEFAULT_ADD_HHLEN,"Option add_hhlen is"); | |
7500 | IGNORE_PARAM_NEQ(fake_ll, 0, 0,"Option fake_ll is"); | |
7501 | } | |
7502 | } | |
7503 | ||
7504 | ||
7505 | static int | |
05e08a2a | 7506 | __qeth_set_online(struct ccwgroup_device *gdev, int recovery_mode) |
1da177e4 LT |
7507 | { |
7508 | struct qeth_card *card = gdev->dev.driver_data; | |
7509 | int rc = 0; | |
7510 | enum qeth_card_states recover_flag; | |
7511 | ||
7512 | BUG_ON(!card); | |
7513 | QETH_DBF_TEXT(setup ,2, "setonlin"); | |
7514 | QETH_DBF_HEX(setup, 2, &card, sizeof(void *)); | |
7515 | ||
7516 | qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); | |
7517 | if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)){ | |
7518 | PRINT_WARN("set_online of card %s interrupted by user!\n", | |
7519 | CARD_BUS_ID(card)); | |
7520 | return -ERESTARTSYS; | |
7521 | } | |
7522 | ||
7523 | recover_flag = card->state; | |
7524 | if ((rc = ccw_device_set_online(CARD_RDEV(card))) || | |
7525 | (rc = ccw_device_set_online(CARD_WDEV(card))) || | |
7526 | (rc = ccw_device_set_online(CARD_DDEV(card)))){ | |
7527 | QETH_DBF_TEXT_(setup, 2, "1err%d", rc); | |
7528 | return -EIO; | |
7529 | } | |
7530 | ||
7531 | if (card->options.layer2) | |
7532 | qeth_make_parameters_consistent(card); | |
7533 | ||
7534 | if ((rc = qeth_hardsetup_card(card))){ | |
7535 | QETH_DBF_TEXT_(setup, 2, "2err%d", rc); | |
7536 | goto out_remove; | |
7537 | } | |
7538 | card->state = CARD_STATE_HARDSETUP; | |
7539 | ||
7540 | if (!(rc = qeth_query_ipassists(card,QETH_PROT_IPV4))) | |
7541 | rc = qeth_get_unique_id(card); | |
7542 | ||
7543 | if (rc && card->options.layer2 == 0) { | |
7544 | QETH_DBF_TEXT_(setup, 2, "3err%d", rc); | |
7545 | goto out_remove; | |
7546 | } | |
7547 | qeth_print_status_message(card); | |
7548 | if ((rc = qeth_register_netdev(card))){ | |
7549 | QETH_DBF_TEXT_(setup, 2, "4err%d", rc); | |
7550 | goto out_remove; | |
7551 | } | |
7552 | if ((rc = qeth_softsetup_card(card))){ | |
7553 | QETH_DBF_TEXT_(setup, 2, "5err%d", rc); | |
7554 | goto out_remove; | |
7555 | } | |
7556 | card->state = CARD_STATE_SOFTSETUP; | |
7557 | ||
7558 | if ((rc = qeth_init_qdio_queues(card))){ | |
7559 | QETH_DBF_TEXT_(setup, 2, "6err%d", rc); | |
7560 | goto out_remove; | |
7561 | } | |
7562 | /*maybe it was set offline without ifconfig down | |
7563 | * we can also use this state for recovery purposes*/ | |
7564 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
7565 | if (recover_flag == CARD_STATE_RECOVER) | |
05e08a2a | 7566 | qeth_start_again(card, recovery_mode); |
1da177e4 LT |
7567 | qeth_notify_processes(); |
7568 | return 0; | |
7569 | out_remove: | |
7570 | card->use_hard_stop = 1; | |
05e08a2a | 7571 | qeth_stop_card(card, 0); |
1da177e4 LT |
7572 | ccw_device_set_offline(CARD_DDEV(card)); |
7573 | ccw_device_set_offline(CARD_WDEV(card)); | |
7574 | ccw_device_set_offline(CARD_RDEV(card)); | |
7575 | if (recover_flag == CARD_STATE_RECOVER) | |
7576 | card->state = CARD_STATE_RECOVER; | |
7577 | else | |
7578 | card->state = CARD_STATE_DOWN; | |
7579 | return -ENODEV; | |
7580 | } | |
7581 | ||
05e08a2a FP |
7582 | static int |
7583 | qeth_set_online(struct ccwgroup_device *gdev) | |
7584 | { | |
7585 | return __qeth_set_online(gdev, 0); | |
7586 | } | |
7587 | ||
1da177e4 LT |
7588 | static struct ccw_device_id qeth_ids[] = { |
7589 | {CCW_DEVICE(0x1731, 0x01), driver_info:QETH_CARD_TYPE_OSAE}, | |
7590 | {CCW_DEVICE(0x1731, 0x05), driver_info:QETH_CARD_TYPE_IQD}, | |
7591 | {}, | |
7592 | }; | |
7593 | MODULE_DEVICE_TABLE(ccw, qeth_ids); | |
7594 | ||
7595 | struct device *qeth_root_dev = NULL; | |
7596 | ||
7597 | struct ccwgroup_driver qeth_ccwgroup_driver = { | |
7598 | .owner = THIS_MODULE, | |
7599 | .name = "qeth", | |
7600 | .driver_id = 0xD8C5E3C8, | |
7601 | .probe = qeth_probe_device, | |
7602 | .remove = qeth_remove_device, | |
7603 | .set_online = qeth_set_online, | |
7604 | .set_offline = qeth_set_offline, | |
7605 | }; | |
7606 | ||
7607 | struct ccw_driver qeth_ccw_driver = { | |
7608 | .name = "qeth", | |
7609 | .ids = qeth_ids, | |
7610 | .probe = ccwgroup_probe_ccwdev, | |
7611 | .remove = ccwgroup_remove_ccwdev, | |
7612 | }; | |
7613 | ||
7614 | ||
7615 | static void | |
7616 | qeth_unregister_dbf_views(void) | |
7617 | { | |
7618 | if (qeth_dbf_setup) | |
7619 | debug_unregister(qeth_dbf_setup); | |
7620 | if (qeth_dbf_qerr) | |
7621 | debug_unregister(qeth_dbf_qerr); | |
7622 | if (qeth_dbf_sense) | |
7623 | debug_unregister(qeth_dbf_sense); | |
7624 | if (qeth_dbf_misc) | |
7625 | debug_unregister(qeth_dbf_misc); | |
7626 | if (qeth_dbf_data) | |
7627 | debug_unregister(qeth_dbf_data); | |
7628 | if (qeth_dbf_control) | |
7629 | debug_unregister(qeth_dbf_control); | |
7630 | if (qeth_dbf_trace) | |
7631 | debug_unregister(qeth_dbf_trace); | |
7632 | } | |
7633 | static int | |
7634 | qeth_register_dbf_views(void) | |
7635 | { | |
7636 | qeth_dbf_setup = debug_register(QETH_DBF_SETUP_NAME, | |
66a464db | 7637 | QETH_DBF_SETUP_PAGES, |
1da177e4 LT |
7638 | QETH_DBF_SETUP_NR_AREAS, |
7639 | QETH_DBF_SETUP_LEN); | |
7640 | qeth_dbf_misc = debug_register(QETH_DBF_MISC_NAME, | |
66a464db | 7641 | QETH_DBF_MISC_PAGES, |
1da177e4 LT |
7642 | QETH_DBF_MISC_NR_AREAS, |
7643 | QETH_DBF_MISC_LEN); | |
7644 | qeth_dbf_data = debug_register(QETH_DBF_DATA_NAME, | |
66a464db | 7645 | QETH_DBF_DATA_PAGES, |
1da177e4 LT |
7646 | QETH_DBF_DATA_NR_AREAS, |
7647 | QETH_DBF_DATA_LEN); | |
7648 | qeth_dbf_control = debug_register(QETH_DBF_CONTROL_NAME, | |
66a464db | 7649 | QETH_DBF_CONTROL_PAGES, |
1da177e4 LT |
7650 | QETH_DBF_CONTROL_NR_AREAS, |
7651 | QETH_DBF_CONTROL_LEN); | |
7652 | qeth_dbf_sense = debug_register(QETH_DBF_SENSE_NAME, | |
66a464db | 7653 | QETH_DBF_SENSE_PAGES, |
1da177e4 LT |
7654 | QETH_DBF_SENSE_NR_AREAS, |
7655 | QETH_DBF_SENSE_LEN); | |
7656 | qeth_dbf_qerr = debug_register(QETH_DBF_QERR_NAME, | |
66a464db | 7657 | QETH_DBF_QERR_PAGES, |
1da177e4 LT |
7658 | QETH_DBF_QERR_NR_AREAS, |
7659 | QETH_DBF_QERR_LEN); | |
7660 | qeth_dbf_trace = debug_register(QETH_DBF_TRACE_NAME, | |
66a464db | 7661 | QETH_DBF_TRACE_PAGES, |
1da177e4 LT |
7662 | QETH_DBF_TRACE_NR_AREAS, |
7663 | QETH_DBF_TRACE_LEN); | |
7664 | ||
7665 | if ((qeth_dbf_setup == NULL) || (qeth_dbf_misc == NULL) || | |
7666 | (qeth_dbf_data == NULL) || (qeth_dbf_control == NULL) || | |
7667 | (qeth_dbf_sense == NULL) || (qeth_dbf_qerr == NULL) || | |
7668 | (qeth_dbf_trace == NULL)) { | |
7669 | qeth_unregister_dbf_views(); | |
7670 | return -ENOMEM; | |
7671 | } | |
7672 | debug_register_view(qeth_dbf_setup, &debug_hex_ascii_view); | |
7673 | debug_set_level(qeth_dbf_setup, QETH_DBF_SETUP_LEVEL); | |
7674 | ||
7675 | debug_register_view(qeth_dbf_misc, &debug_hex_ascii_view); | |
7676 | debug_set_level(qeth_dbf_misc, QETH_DBF_MISC_LEVEL); | |
7677 | ||
7678 | debug_register_view(qeth_dbf_data, &debug_hex_ascii_view); | |
7679 | debug_set_level(qeth_dbf_data, QETH_DBF_DATA_LEVEL); | |
7680 | ||
7681 | debug_register_view(qeth_dbf_control, &debug_hex_ascii_view); | |
7682 | debug_set_level(qeth_dbf_control, QETH_DBF_CONTROL_LEVEL); | |
7683 | ||
7684 | debug_register_view(qeth_dbf_sense, &debug_hex_ascii_view); | |
7685 | debug_set_level(qeth_dbf_sense, QETH_DBF_SENSE_LEVEL); | |
7686 | ||
7687 | debug_register_view(qeth_dbf_qerr, &debug_hex_ascii_view); | |
7688 | debug_set_level(qeth_dbf_qerr, QETH_DBF_QERR_LEVEL); | |
7689 | ||
7690 | debug_register_view(qeth_dbf_trace, &debug_hex_ascii_view); | |
7691 | debug_set_level(qeth_dbf_trace, QETH_DBF_TRACE_LEVEL); | |
7692 | ||
7693 | return 0; | |
7694 | } | |
7695 | ||
7696 | #ifdef CONFIG_QETH_IPV6 | |
7697 | extern struct neigh_table arp_tbl; | |
7698 | static struct neigh_ops *arp_direct_ops; | |
7699 | static int (*qeth_old_arp_constructor) (struct neighbour *); | |
7700 | ||
7701 | static struct neigh_ops arp_direct_ops_template = { | |
7702 | .family = AF_INET, | |
7703 | .destructor = NULL, | |
7704 | .solicit = NULL, | |
7705 | .error_report = NULL, | |
7706 | .output = dev_queue_xmit, | |
7707 | .connected_output = dev_queue_xmit, | |
7708 | .hh_output = dev_queue_xmit, | |
7709 | .queue_xmit = dev_queue_xmit | |
7710 | }; | |
7711 | ||
7712 | static int | |
7713 | qeth_arp_constructor(struct neighbour *neigh) | |
7714 | { | |
7715 | struct net_device *dev = neigh->dev; | |
7716 | struct in_device *in_dev; | |
7717 | struct neigh_parms *parms; | |
7718 | struct qeth_card *card; | |
7719 | ||
7720 | card = qeth_get_card_from_dev(dev); | |
7721 | if (card == NULL) | |
7722 | goto out; | |
7723 | if((card->options.layer2) || | |
7724 | (card->dev->hard_header == qeth_fake_header)) | |
7725 | goto out; | |
7726 | ||
7727 | rcu_read_lock(); | |
e5ed6399 | 7728 | in_dev = __in_dev_get_rcu(dev); |
1da177e4 LT |
7729 | if (in_dev == NULL) { |
7730 | rcu_read_unlock(); | |
7731 | return -EINVAL; | |
7732 | } | |
7733 | ||
7734 | parms = in_dev->arp_parms; | |
7735 | __neigh_parms_put(neigh->parms); | |
7736 | neigh->parms = neigh_parms_clone(parms); | |
7737 | rcu_read_unlock(); | |
7738 | ||
7739 | neigh->type = inet_addr_type(*(u32 *) neigh->primary_key); | |
7740 | neigh->nud_state = NUD_NOARP; | |
7741 | neigh->ops = arp_direct_ops; | |
7742 | neigh->output = neigh->ops->queue_xmit; | |
7743 | return 0; | |
7744 | out: | |
7745 | return qeth_old_arp_constructor(neigh); | |
7746 | } | |
7747 | #endif /*CONFIG_QETH_IPV6*/ | |
7748 | ||
7749 | /* | |
7750 | * IP address takeover related functions | |
7751 | */ | |
7752 | static void | |
7753 | qeth_clear_ipato_list(struct qeth_card *card) | |
7754 | { | |
7755 | struct qeth_ipato_entry *ipatoe, *tmp; | |
7756 | unsigned long flags; | |
7757 | ||
7758 | spin_lock_irqsave(&card->ip_lock, flags); | |
7759 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
7760 | list_del(&ipatoe->entry); | |
7761 | kfree(ipatoe); | |
7762 | } | |
7763 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7764 | } | |
7765 | ||
7766 | int | |
7767 | qeth_add_ipato_entry(struct qeth_card *card, struct qeth_ipato_entry *new) | |
7768 | { | |
7769 | struct qeth_ipato_entry *ipatoe; | |
7770 | unsigned long flags; | |
7771 | int rc = 0; | |
7772 | ||
7773 | QETH_DBF_TEXT(trace, 2, "addipato"); | |
7774 | spin_lock_irqsave(&card->ip_lock, flags); | |
7775 | list_for_each_entry(ipatoe, &card->ipato.entries, entry){ | |
7776 | if (ipatoe->proto != new->proto) | |
7777 | continue; | |
7778 | if (!memcmp(ipatoe->addr, new->addr, | |
7779 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
7780 | (ipatoe->mask_bits == new->mask_bits)){ | |
7781 | PRINT_WARN("ipato entry already exists!\n"); | |
7782 | rc = -EEXIST; | |
7783 | break; | |
7784 | } | |
7785 | } | |
7786 | if (!rc) { | |
7787 | list_add_tail(&new->entry, &card->ipato.entries); | |
7788 | } | |
7789 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7790 | return rc; | |
7791 | } | |
7792 | ||
7793 | void | |
7794 | qeth_del_ipato_entry(struct qeth_card *card, enum qeth_prot_versions proto, | |
7795 | u8 *addr, int mask_bits) | |
7796 | { | |
7797 | struct qeth_ipato_entry *ipatoe, *tmp; | |
7798 | unsigned long flags; | |
7799 | ||
7800 | QETH_DBF_TEXT(trace, 2, "delipato"); | |
7801 | spin_lock_irqsave(&card->ip_lock, flags); | |
7802 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry){ | |
7803 | if (ipatoe->proto != proto) | |
7804 | continue; | |
7805 | if (!memcmp(ipatoe->addr, addr, | |
7806 | (proto == QETH_PROT_IPV4)? 4:16) && | |
7807 | (ipatoe->mask_bits == mask_bits)){ | |
7808 | list_del(&ipatoe->entry); | |
7809 | kfree(ipatoe); | |
7810 | } | |
7811 | } | |
7812 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7813 | } | |
7814 | ||
7815 | static inline void | |
7816 | qeth_convert_addr_to_bits(u8 *addr, u8 *bits, int len) | |
7817 | { | |
7818 | int i, j; | |
7819 | u8 octet; | |
7820 | ||
7821 | for (i = 0; i < len; ++i){ | |
7822 | octet = addr[i]; | |
7823 | for (j = 7; j >= 0; --j){ | |
7824 | bits[i*8 + j] = octet & 1; | |
7825 | octet >>= 1; | |
7826 | } | |
7827 | } | |
7828 | } | |
7829 | ||
7830 | static int | |
7831 | qeth_is_addr_covered_by_ipato(struct qeth_card *card, struct qeth_ipaddr *addr) | |
7832 | { | |
7833 | struct qeth_ipato_entry *ipatoe; | |
7834 | u8 addr_bits[128] = {0, }; | |
7835 | u8 ipatoe_bits[128] = {0, }; | |
7836 | int rc = 0; | |
7837 | ||
7838 | if (!card->ipato.enabled) | |
7839 | return 0; | |
7840 | ||
7841 | qeth_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
7842 | (addr->proto == QETH_PROT_IPV4)? 4:16); | |
7843 | list_for_each_entry(ipatoe, &card->ipato.entries, entry){ | |
7844 | if (addr->proto != ipatoe->proto) | |
7845 | continue; | |
7846 | qeth_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
7847 | (ipatoe->proto==QETH_PROT_IPV4) ? | |
7848 | 4:16); | |
7849 | if (addr->proto == QETH_PROT_IPV4) | |
7850 | rc = !memcmp(addr_bits, ipatoe_bits, | |
7851 | min(32, ipatoe->mask_bits)); | |
7852 | else | |
7853 | rc = !memcmp(addr_bits, ipatoe_bits, | |
7854 | min(128, ipatoe->mask_bits)); | |
7855 | if (rc) | |
7856 | break; | |
7857 | } | |
7858 | /* invert? */ | |
7859 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
7860 | rc = !rc; | |
7861 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
7862 | rc = !rc; | |
7863 | ||
7864 | return rc; | |
7865 | } | |
7866 | ||
7867 | /* | |
7868 | * VIPA related functions | |
7869 | */ | |
7870 | int | |
7871 | qeth_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
7872 | const u8 *addr) | |
7873 | { | |
7874 | struct qeth_ipaddr *ipaddr; | |
7875 | unsigned long flags; | |
7876 | int rc = 0; | |
7877 | ||
7878 | ipaddr = qeth_get_addr_buffer(proto); | |
7879 | if (ipaddr){ | |
7880 | if (proto == QETH_PROT_IPV4){ | |
7881 | QETH_DBF_TEXT(trace, 2, "addvipa4"); | |
7882 | memcpy(&ipaddr->u.a4.addr, addr, 4); | |
7883 | ipaddr->u.a4.mask = 0; | |
7884 | #ifdef CONFIG_QETH_IPV6 | |
7885 | } else if (proto == QETH_PROT_IPV6){ | |
7886 | QETH_DBF_TEXT(trace, 2, "addvipa6"); | |
7887 | memcpy(&ipaddr->u.a6.addr, addr, 16); | |
7888 | ipaddr->u.a6.pfxlen = 0; | |
7889 | #endif | |
7890 | } | |
7891 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
7892 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
7893 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
7894 | } else | |
7895 | return -ENOMEM; | |
7896 | spin_lock_irqsave(&card->ip_lock, flags); | |
7897 | if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
7898 | __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
7899 | rc = -EEXIST; | |
7900 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7901 | if (rc){ | |
7902 | PRINT_WARN("Cannot add VIPA. Address already exists!\n"); | |
7903 | return rc; | |
7904 | } | |
7905 | if (!qeth_add_ip(card, ipaddr)) | |
7906 | kfree(ipaddr); | |
7907 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
7908 | schedule_work(&card->kernel_thread_starter); | |
7909 | return rc; | |
7910 | } | |
7911 | ||
7912 | void | |
7913 | qeth_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
7914 | const u8 *addr) | |
7915 | { | |
7916 | struct qeth_ipaddr *ipaddr; | |
7917 | ||
7918 | ipaddr = qeth_get_addr_buffer(proto); | |
7919 | if (ipaddr){ | |
7920 | if (proto == QETH_PROT_IPV4){ | |
7921 | QETH_DBF_TEXT(trace, 2, "delvipa4"); | |
7922 | memcpy(&ipaddr->u.a4.addr, addr, 4); | |
7923 | ipaddr->u.a4.mask = 0; | |
7924 | #ifdef CONFIG_QETH_IPV6 | |
7925 | } else if (proto == QETH_PROT_IPV6){ | |
7926 | QETH_DBF_TEXT(trace, 2, "delvipa6"); | |
7927 | memcpy(&ipaddr->u.a6.addr, addr, 16); | |
7928 | ipaddr->u.a6.pfxlen = 0; | |
7929 | #endif | |
7930 | } | |
7931 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
7932 | } else | |
7933 | return; | |
7934 | if (!qeth_delete_ip(card, ipaddr)) | |
7935 | kfree(ipaddr); | |
7936 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
7937 | schedule_work(&card->kernel_thread_starter); | |
7938 | } | |
7939 | ||
7940 | /* | |
7941 | * proxy ARP related functions | |
7942 | */ | |
7943 | int | |
7944 | qeth_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
7945 | const u8 *addr) | |
7946 | { | |
7947 | struct qeth_ipaddr *ipaddr; | |
7948 | unsigned long flags; | |
7949 | int rc = 0; | |
7950 | ||
7951 | ipaddr = qeth_get_addr_buffer(proto); | |
7952 | if (ipaddr){ | |
7953 | if (proto == QETH_PROT_IPV4){ | |
7954 | QETH_DBF_TEXT(trace, 2, "addrxip4"); | |
7955 | memcpy(&ipaddr->u.a4.addr, addr, 4); | |
7956 | ipaddr->u.a4.mask = 0; | |
7957 | #ifdef CONFIG_QETH_IPV6 | |
7958 | } else if (proto == QETH_PROT_IPV6){ | |
7959 | QETH_DBF_TEXT(trace, 2, "addrxip6"); | |
7960 | memcpy(&ipaddr->u.a6.addr, addr, 16); | |
7961 | ipaddr->u.a6.pfxlen = 0; | |
7962 | #endif | |
7963 | } | |
7964 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
7965 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
7966 | ipaddr->del_flags = 0; | |
7967 | } else | |
7968 | return -ENOMEM; | |
7969 | spin_lock_irqsave(&card->ip_lock, flags); | |
7970 | if (__qeth_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
7971 | __qeth_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
7972 | rc = -EEXIST; | |
7973 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
7974 | if (rc){ | |
7975 | PRINT_WARN("Cannot add RXIP. Address already exists!\n"); | |
7976 | return rc; | |
7977 | } | |
7978 | if (!qeth_add_ip(card, ipaddr)) | |
7979 | kfree(ipaddr); | |
7980 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
7981 | schedule_work(&card->kernel_thread_starter); | |
7982 | return 0; | |
7983 | } | |
7984 | ||
7985 | void | |
7986 | qeth_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
7987 | const u8 *addr) | |
7988 | { | |
7989 | struct qeth_ipaddr *ipaddr; | |
7990 | ||
7991 | ipaddr = qeth_get_addr_buffer(proto); | |
7992 | if (ipaddr){ | |
7993 | if (proto == QETH_PROT_IPV4){ | |
7994 | QETH_DBF_TEXT(trace, 2, "addrxip4"); | |
7995 | memcpy(&ipaddr->u.a4.addr, addr, 4); | |
7996 | ipaddr->u.a4.mask = 0; | |
7997 | #ifdef CONFIG_QETH_IPV6 | |
7998 | } else if (proto == QETH_PROT_IPV6){ | |
7999 | QETH_DBF_TEXT(trace, 2, "addrxip6"); | |
8000 | memcpy(&ipaddr->u.a6.addr, addr, 16); | |
8001 | ipaddr->u.a6.pfxlen = 0; | |
8002 | #endif | |
8003 | } | |
8004 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
8005 | } else | |
8006 | return; | |
8007 | if (!qeth_delete_ip(card, ipaddr)) | |
8008 | kfree(ipaddr); | |
8009 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8010 | schedule_work(&card->kernel_thread_starter); | |
8011 | } | |
8012 | ||
8013 | /** | |
8014 | * IP event handler | |
8015 | */ | |
8016 | static int | |
8017 | qeth_ip_event(struct notifier_block *this, | |
8018 | unsigned long event,void *ptr) | |
8019 | { | |
8020 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
8021 | struct net_device *dev =(struct net_device *) ifa->ifa_dev->dev; | |
8022 | struct qeth_ipaddr *addr; | |
8023 | struct qeth_card *card; | |
8024 | ||
8025 | QETH_DBF_TEXT(trace,3,"ipevent"); | |
8026 | card = qeth_get_card_from_dev(dev); | |
8027 | if (!card) | |
8028 | return NOTIFY_DONE; | |
8029 | if (card->options.layer2) | |
8030 | return NOTIFY_DONE; | |
8031 | ||
8032 | addr = qeth_get_addr_buffer(QETH_PROT_IPV4); | |
8033 | if (addr != NULL) { | |
8034 | addr->u.a4.addr = ifa->ifa_address; | |
8035 | addr->u.a4.mask = ifa->ifa_mask; | |
8036 | addr->type = QETH_IP_TYPE_NORMAL; | |
8037 | } else | |
8038 | goto out; | |
8039 | ||
8040 | switch(event) { | |
8041 | case NETDEV_UP: | |
8042 | if (!qeth_add_ip(card, addr)) | |
8043 | kfree(addr); | |
8044 | break; | |
8045 | case NETDEV_DOWN: | |
8046 | if (!qeth_delete_ip(card, addr)) | |
8047 | kfree(addr); | |
8048 | break; | |
8049 | default: | |
8050 | break; | |
8051 | } | |
8052 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8053 | schedule_work(&card->kernel_thread_starter); | |
8054 | out: | |
8055 | return NOTIFY_DONE; | |
8056 | } | |
8057 | ||
8058 | static struct notifier_block qeth_ip_notifier = { | |
8059 | qeth_ip_event, | |
8060 | 0 | |
8061 | }; | |
8062 | ||
8063 | #ifdef CONFIG_QETH_IPV6 | |
8064 | /** | |
8065 | * IPv6 event handler | |
8066 | */ | |
8067 | static int | |
8068 | qeth_ip6_event(struct notifier_block *this, | |
8069 | unsigned long event,void *ptr) | |
8070 | { | |
8071 | ||
8072 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
8073 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
8074 | struct qeth_ipaddr *addr; | |
8075 | struct qeth_card *card; | |
8076 | ||
8077 | QETH_DBF_TEXT(trace,3,"ip6event"); | |
8078 | ||
8079 | card = qeth_get_card_from_dev(dev); | |
8080 | if (!card) | |
8081 | return NOTIFY_DONE; | |
8082 | if (!qeth_is_supported(card, IPA_IPV6)) | |
8083 | return NOTIFY_DONE; | |
8084 | ||
8085 | addr = qeth_get_addr_buffer(QETH_PROT_IPV6); | |
8086 | if (addr != NULL) { | |
8087 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
8088 | addr->u.a6.pfxlen = ifa->prefix_len; | |
8089 | addr->type = QETH_IP_TYPE_NORMAL; | |
8090 | } else | |
8091 | goto out; | |
8092 | ||
8093 | switch(event) { | |
8094 | case NETDEV_UP: | |
8095 | if (!qeth_add_ip(card, addr)) | |
8096 | kfree(addr); | |
8097 | break; | |
8098 | case NETDEV_DOWN: | |
8099 | if (!qeth_delete_ip(card, addr)) | |
8100 | kfree(addr); | |
8101 | break; | |
8102 | default: | |
8103 | break; | |
8104 | } | |
8105 | if (qeth_set_thread_start_bit(card, QETH_SET_IP_THREAD) == 0) | |
8106 | schedule_work(&card->kernel_thread_starter); | |
8107 | out: | |
8108 | return NOTIFY_DONE; | |
8109 | } | |
8110 | ||
8111 | static struct notifier_block qeth_ip6_notifier = { | |
8112 | qeth_ip6_event, | |
8113 | 0 | |
8114 | }; | |
8115 | #endif | |
8116 | ||
8117 | static int | |
66aea23f | 8118 | __qeth_reboot_event_card(struct device *dev, void *data) |
1da177e4 | 8119 | { |
1da177e4 LT |
8120 | struct qeth_card *card; |
8121 | ||
66aea23f CH |
8122 | card = (struct qeth_card *) dev->driver_data; |
8123 | qeth_clear_ip_list(card, 0, 0); | |
8124 | qeth_qdio_clear_card(card, 0); | |
8125 | return 0; | |
8126 | } | |
8127 | ||
8128 | static int | |
8129 | qeth_reboot_event(struct notifier_block *this, unsigned long event, void *ptr) | |
8130 | { | |
8131 | ||
8132 | driver_for_each_device(&qeth_ccwgroup_driver.driver, NULL, NULL, | |
8133 | __qeth_reboot_event_card); | |
1da177e4 LT |
8134 | return NOTIFY_DONE; |
8135 | } | |
8136 | ||
8137 | ||
8138 | static struct notifier_block qeth_reboot_notifier = { | |
8139 | qeth_reboot_event, | |
8140 | 0 | |
8141 | }; | |
8142 | ||
8143 | static int | |
8144 | qeth_register_notifiers(void) | |
8145 | { | |
8146 | int r; | |
8147 | ||
8148 | QETH_DBF_TEXT(trace,5,"regnotif"); | |
8149 | if ((r = register_reboot_notifier(&qeth_reboot_notifier))) | |
8150 | return r; | |
8151 | if ((r = register_inetaddr_notifier(&qeth_ip_notifier))) | |
8152 | goto out_reboot; | |
8153 | #ifdef CONFIG_QETH_IPV6 | |
8154 | if ((r = register_inet6addr_notifier(&qeth_ip6_notifier))) | |
8155 | goto out_ipv4; | |
8156 | #endif | |
8157 | return 0; | |
8158 | ||
8159 | #ifdef CONFIG_QETH_IPV6 | |
8160 | out_ipv4: | |
8161 | unregister_inetaddr_notifier(&qeth_ip_notifier); | |
8162 | #endif | |
8163 | out_reboot: | |
8164 | unregister_reboot_notifier(&qeth_reboot_notifier); | |
8165 | return r; | |
8166 | } | |
8167 | ||
8168 | /** | |
8169 | * unregister all event notifiers | |
8170 | */ | |
8171 | static void | |
8172 | qeth_unregister_notifiers(void) | |
8173 | { | |
8174 | ||
8175 | QETH_DBF_TEXT(trace,5,"unregnot"); | |
8176 | BUG_ON(unregister_reboot_notifier(&qeth_reboot_notifier)); | |
8177 | BUG_ON(unregister_inetaddr_notifier(&qeth_ip_notifier)); | |
8178 | #ifdef CONFIG_QETH_IPV6 | |
8179 | BUG_ON(unregister_inet6addr_notifier(&qeth_ip6_notifier)); | |
8180 | #endif /* QETH_IPV6 */ | |
8181 | ||
8182 | } | |
8183 | ||
8184 | #ifdef CONFIG_QETH_IPV6 | |
8185 | static int | |
8186 | qeth_ipv6_init(void) | |
8187 | { | |
8188 | qeth_old_arp_constructor = arp_tbl.constructor; | |
8189 | write_lock(&arp_tbl.lock); | |
8190 | arp_tbl.constructor = qeth_arp_constructor; | |
8191 | write_unlock(&arp_tbl.lock); | |
8192 | ||
8193 | arp_direct_ops = (struct neigh_ops*) | |
8194 | kmalloc(sizeof(struct neigh_ops), GFP_KERNEL); | |
8195 | if (!arp_direct_ops) | |
8196 | return -ENOMEM; | |
8197 | ||
8198 | memcpy(arp_direct_ops, &arp_direct_ops_template, | |
8199 | sizeof(struct neigh_ops)); | |
8200 | ||
8201 | return 0; | |
8202 | } | |
8203 | ||
8204 | static void | |
8205 | qeth_ipv6_uninit(void) | |
8206 | { | |
8207 | write_lock(&arp_tbl.lock); | |
8208 | arp_tbl.constructor = qeth_old_arp_constructor; | |
8209 | write_unlock(&arp_tbl.lock); | |
8210 | kfree(arp_direct_ops); | |
8211 | } | |
8212 | #endif /* CONFIG_QETH_IPV6 */ | |
8213 | ||
8214 | static void | |
8215 | qeth_sysfs_unregister(void) | |
8216 | { | |
8217 | qeth_remove_driver_attributes(); | |
8218 | ccw_driver_unregister(&qeth_ccw_driver); | |
8219 | ccwgroup_driver_unregister(&qeth_ccwgroup_driver); | |
8220 | s390_root_dev_unregister(qeth_root_dev); | |
8221 | } | |
8222 | /** | |
8223 | * register qeth at sysfs | |
8224 | */ | |
8225 | static int | |
8226 | qeth_sysfs_register(void) | |
8227 | { | |
8228 | int rc=0; | |
8229 | ||
8230 | rc = ccwgroup_driver_register(&qeth_ccwgroup_driver); | |
8231 | if (rc) | |
8232 | return rc; | |
8233 | rc = ccw_driver_register(&qeth_ccw_driver); | |
8234 | if (rc) | |
8235 | return rc; | |
8236 | rc = qeth_create_driver_attributes(); | |
8237 | if (rc) | |
8238 | return rc; | |
8239 | qeth_root_dev = s390_root_dev_register("qeth"); | |
8240 | if (IS_ERR(qeth_root_dev)) { | |
8241 | rc = PTR_ERR(qeth_root_dev); | |
8242 | return rc; | |
8243 | } | |
8244 | return 0; | |
8245 | } | |
8246 | ||
8247 | /*** | |
8248 | * init function | |
8249 | */ | |
8250 | static int __init | |
8251 | qeth_init(void) | |
8252 | { | |
8253 | int rc=0; | |
8254 | ||
1da177e4 LT |
8255 | PRINT_INFO("loading %s (%s/%s/%s/%s/%s/%s/%s %s %s)\n", |
8256 | version, VERSION_QETH_C, VERSION_QETH_H, | |
8257 | VERSION_QETH_MPC_H, VERSION_QETH_MPC_C, | |
8258 | VERSION_QETH_FS_H, VERSION_QETH_PROC_C, | |
8259 | VERSION_QETH_SYS_C, QETH_VERSION_IPV6, | |
8260 | QETH_VERSION_VLAN); | |
8261 | ||
8262 | INIT_LIST_HEAD(&qeth_card_list.list); | |
8263 | INIT_LIST_HEAD(&qeth_notify_list); | |
8264 | spin_lock_init(&qeth_notify_lock); | |
8265 | rwlock_init(&qeth_card_list.rwlock); | |
8266 | ||
8267 | if (qeth_register_dbf_views()) | |
8268 | goto out_err; | |
8269 | if (qeth_sysfs_register()) | |
8270 | goto out_sysfs; | |
8271 | ||
8272 | #ifdef CONFIG_QETH_IPV6 | |
8273 | if (qeth_ipv6_init()) { | |
8274 | PRINT_ERR("Out of memory during ipv6 init.\n"); | |
8275 | goto out_sysfs; | |
8276 | } | |
8277 | #endif /* QETH_IPV6 */ | |
8278 | if (qeth_register_notifiers()) | |
8279 | goto out_ipv6; | |
8280 | if (qeth_create_procfs_entries()) | |
8281 | goto out_notifiers; | |
8282 | ||
8283 | return rc; | |
8284 | ||
8285 | out_notifiers: | |
8286 | qeth_unregister_notifiers(); | |
8287 | out_ipv6: | |
8288 | #ifdef CONFIG_QETH_IPV6 | |
8289 | qeth_ipv6_uninit(); | |
8290 | #endif /* QETH_IPV6 */ | |
8291 | out_sysfs: | |
8292 | qeth_sysfs_unregister(); | |
8293 | qeth_unregister_dbf_views(); | |
8294 | out_err: | |
8295 | PRINT_ERR("Initialization failed"); | |
8296 | return rc; | |
8297 | } | |
8298 | ||
8299 | static void | |
8300 | __exit qeth_exit(void) | |
8301 | { | |
8302 | struct qeth_card *card, *tmp; | |
8303 | unsigned long flags; | |
8304 | ||
8305 | QETH_DBF_TEXT(trace,1, "cleanup."); | |
8306 | ||
8307 | /* | |
8308 | * Weed would not need to clean up our devices here, because the | |
8309 | * common device layer calls qeth_remove_device for each device | |
8310 | * as soon as we unregister our driver (done in qeth_sysfs_unregister). | |
8311 | * But we do cleanup here so we can do a "soft" shutdown of our cards. | |
8312 | * qeth_remove_device called by the common device layer would otherwise | |
8313 | * do a "hard" shutdown (card->use_hard_stop is set to one in | |
8314 | * qeth_remove_device). | |
8315 | */ | |
8316 | again: | |
8317 | read_lock_irqsave(&qeth_card_list.rwlock, flags); | |
8318 | list_for_each_entry_safe(card, tmp, &qeth_card_list.list, list){ | |
8319 | read_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
8320 | qeth_set_offline(card->gdev); | |
8321 | qeth_remove_device(card->gdev); | |
8322 | goto again; | |
8323 | } | |
8324 | read_unlock_irqrestore(&qeth_card_list.rwlock, flags); | |
8325 | #ifdef CONFIG_QETH_IPV6 | |
8326 | qeth_ipv6_uninit(); | |
8327 | #endif | |
8328 | qeth_unregister_notifiers(); | |
8329 | qeth_remove_procfs_entries(); | |
8330 | qeth_sysfs_unregister(); | |
8331 | qeth_unregister_dbf_views(); | |
8332 | printk("qeth: removed\n"); | |
8333 | } | |
8334 | ||
1da177e4 LT |
8335 | module_init(qeth_init); |
8336 | module_exit(qeth_exit); | |
8337 | MODULE_AUTHOR("Frank Pavlic <pavlic@de.ibm.com>"); | |
8338 | MODULE_DESCRIPTION("Linux on zSeries OSA Express and HiperSockets support\n" \ | |
8339 | "Copyright 2000,2003 IBM Corporation\n"); | |
8340 | ||
8341 | MODULE_LICENSE("GPL"); |