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Use access mode instead of open flags to determine needed permissions
[pv_ops_mirror.git] / drivers / s390 / net / qeth_sys.c
blob2cc3f3a0e393beec5e8611e40e508756bf018888
1 /*
2 *
3 * linux/drivers/s390/net/qeth_sys.c
4 *
5 * Linux on zSeries OSA Express and HiperSockets support
6 * This file contains code related to sysfs.
7 *
8 * Copyright 2000,2003 IBM Corporation
9 *
10 * Author(s): Thomas Spatzier <tspat@de.ibm.com>
11 * Frank Pavlic <fpavlic@de.ibm.com>
12 *
13 */
14 #include <linux/list.h>
15 #include <linux/rwsem.h>
16
17 #include <asm/ebcdic.h>
18
19 #include "qeth.h"
20 #include "qeth_mpc.h"
21 #include "qeth_fs.h"
22
23 /*****************************************************************************/
24 /* */
25 /* /sys-fs stuff UNDER DEVELOPMENT !!! */
26 /* */
27 /*****************************************************************************/
28 //low/high watermark
29
30 static ssize_t
31 qeth_dev_state_show(struct device *dev, struct device_attribute *attr, char *buf)
32 {
33 struct qeth_card *card = dev->driver_data;
34 if (!card)
35 return -EINVAL;
36
37 switch (card->state) {
38 case CARD_STATE_DOWN:
39 return sprintf(buf, "DOWN\n");
40 case CARD_STATE_HARDSETUP:
41 return sprintf(buf, "HARDSETUP\n");
42 case CARD_STATE_SOFTSETUP:
43 return sprintf(buf, "SOFTSETUP\n");
44 case CARD_STATE_UP:
45 if (card->lan_online)
46 return sprintf(buf, "UP (LAN ONLINE)\n");
47 else
48 return sprintf(buf, "UP (LAN OFFLINE)\n");
49 case CARD_STATE_RECOVER:
50 return sprintf(buf, "RECOVER\n");
51 default:
52 return sprintf(buf, "UNKNOWN\n");
53 }
54 }
55
56 static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);
57
58 static ssize_t
59 qeth_dev_chpid_show(struct device *dev, struct device_attribute *attr, char *buf)
60 {
61 struct qeth_card *card = dev->driver_data;
62 if (!card)
63 return -EINVAL;
64
65 return sprintf(buf, "%02X\n", card->info.chpid);
66 }
67
68 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);
69
70 static ssize_t
71 qeth_dev_if_name_show(struct device *dev, struct device_attribute *attr, char *buf)
72 {
73 struct qeth_card *card = dev->driver_data;
74 if (!card)
75 return -EINVAL;
76 return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
77 }
78
79 static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);
80
81 static ssize_t
82 qeth_dev_card_type_show(struct device *dev, struct device_attribute *attr, char *buf)
83 {
84 struct qeth_card *card = dev->driver_data;
85 if (!card)
86 return -EINVAL;
87
88 return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
89 }
90
91 static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);
92
93 static ssize_t
94 qeth_dev_portno_show(struct device *dev, struct device_attribute *attr, char *buf)
95 {
96 struct qeth_card *card = dev->driver_data;
97 if (!card)
98 return -EINVAL;
99
100 return sprintf(buf, "%i\n", card->info.portno);
101 }
102
103 static ssize_t
104 qeth_dev_portno_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
105 {
106 struct qeth_card *card = dev->driver_data;
107 char *tmp;
108 unsigned int portno;
109
110 if (!card)
111 return -EINVAL;
112
113 if ((card->state != CARD_STATE_DOWN) &&
114 (card->state != CARD_STATE_RECOVER))
115 return -EPERM;
116
117 portno = simple_strtoul(buf, &tmp, 16);
118 if (portno > MAX_PORTNO){
119 PRINT_WARN("portno 0x%X is out of range\n", portno);
120 return -EINVAL;
121 }
122
123 card->info.portno = portno;
124 return count;
125 }
126
127 static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);
128
129 static ssize_t
130 qeth_dev_portname_show(struct device *dev, struct device_attribute *attr, char *buf)
131 {
132 struct qeth_card *card = dev->driver_data;
133 char portname[9] = {0, };
134
135 if (!card)
136 return -EINVAL;
137
138 if (card->info.portname_required) {
139 memcpy(portname, card->info.portname + 1, 8);
140 EBCASC(portname, 8);
141 return sprintf(buf, "%s\n", portname);
142 } else
143 return sprintf(buf, "no portname required\n");
144 }
145
146 static ssize_t
147 qeth_dev_portname_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
148 {
149 struct qeth_card *card = dev->driver_data;
150 char *tmp;
151 int i;
152
153 if (!card)
154 return -EINVAL;
155
156 if ((card->state != CARD_STATE_DOWN) &&
157 (card->state != CARD_STATE_RECOVER))
158 return -EPERM;
159
160 tmp = strsep((char **) &buf, "\n");
161 if ((strlen(tmp) > 8) || (strlen(tmp) == 0))
162 return -EINVAL;
163
164 card->info.portname[0] = strlen(tmp);
165 /* for beauty reasons */
166 for (i = 1; i < 9; i++)
167 card->info.portname[i] = ' ';
168 strcpy(card->info.portname + 1, tmp);
169 ASCEBC(card->info.portname + 1, 8);
170
171 return count;
172 }
173
174 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
175 qeth_dev_portname_store);
176
177 static ssize_t
178 qeth_dev_checksum_show(struct device *dev, struct device_attribute *attr, char *buf)
179 {
180 struct qeth_card *card = dev->driver_data;
181
182 if (!card)
183 return -EINVAL;
184
185 return sprintf(buf, "%s checksumming\n", qeth_get_checksum_str(card));
186 }
187
188 static ssize_t
189 qeth_dev_checksum_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
190 {
191 struct qeth_card *card = dev->driver_data;
192 char *tmp;
193
194 if (!card)
195 return -EINVAL;
196
197 if ((card->state != CARD_STATE_DOWN) &&
198 (card->state != CARD_STATE_RECOVER))
199 return -EPERM;
200
201 tmp = strsep((char **) &buf, "\n");
202 if (!strcmp(tmp, "sw_checksumming"))
203 card->options.checksum_type = SW_CHECKSUMMING;
204 else if (!strcmp(tmp, "hw_checksumming"))
205 card->options.checksum_type = HW_CHECKSUMMING;
206 else if (!strcmp(tmp, "no_checksumming"))
207 card->options.checksum_type = NO_CHECKSUMMING;
208 else {
209 PRINT_WARN("Unknown checksumming type '%s'\n", tmp);
210 return -EINVAL;
211 }
212 return count;
213 }
214
215 static DEVICE_ATTR(checksumming, 0644, qeth_dev_checksum_show,
216 qeth_dev_checksum_store);
217
218 static ssize_t
219 qeth_dev_prioqing_show(struct device *dev, struct device_attribute *attr, char *buf)
220 {
221 struct qeth_card *card = dev->driver_data;
222
223 if (!card)
224 return -EINVAL;
225
226 switch (card->qdio.do_prio_queueing) {
227 case QETH_PRIO_Q_ING_PREC:
228 return sprintf(buf, "%s\n", "by precedence");
229 case QETH_PRIO_Q_ING_TOS:
230 return sprintf(buf, "%s\n", "by type of service");
231 default:
232 return sprintf(buf, "always queue %i\n",
233 card->qdio.default_out_queue);
234 }
235 }
236
237 static ssize_t
238 qeth_dev_prioqing_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
239 {
240 struct qeth_card *card = dev->driver_data;
241 char *tmp;
242
243 if (!card)
244 return -EINVAL;
245
246 if ((card->state != CARD_STATE_DOWN) &&
247 (card->state != CARD_STATE_RECOVER))
248 return -EPERM;
249
250 /* check if 1920 devices are supported ,
251 * if though we have to permit priority queueing
252 */
253 if (card->qdio.no_out_queues == 1) {
254 PRINT_WARN("Priority queueing disabled due "
255 "to hardware limitations!\n");
256 card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
257 return -EPERM;
258 }
259
260 tmp = strsep((char **) &buf, "\n");
261 if (!strcmp(tmp, "prio_queueing_prec"))
262 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
263 else if (!strcmp(tmp, "prio_queueing_tos"))
264 card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
265 else if (!strcmp(tmp, "no_prio_queueing:0")) {
266 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
267 card->qdio.default_out_queue = 0;
268 } else if (!strcmp(tmp, "no_prio_queueing:1")) {
269 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
270 card->qdio.default_out_queue = 1;
271 } else if (!strcmp(tmp, "no_prio_queueing:2")) {
272 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
273 card->qdio.default_out_queue = 2;
274 } else if (!strcmp(tmp, "no_prio_queueing:3")) {
275 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
276 card->qdio.default_out_queue = 3;
277 } else if (!strcmp(tmp, "no_prio_queueing")) {
278 card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
279 card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
280 } else {
281 PRINT_WARN("Unknown queueing type '%s'\n", tmp);
282 return -EINVAL;
283 }
284 return count;
285 }
286
287 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
288 qeth_dev_prioqing_store);
289
290 static ssize_t
291 qeth_dev_bufcnt_show(struct device *dev, struct device_attribute *attr, char *buf)
292 {
293 struct qeth_card *card = dev->driver_data;
294
295 if (!card)
296 return -EINVAL;
297
298 return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
299 }
300
301 static ssize_t
302 qeth_dev_bufcnt_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
303 {
304 struct qeth_card *card = dev->driver_data;
305 char *tmp;
306 int cnt, old_cnt;
307 int rc;
308
309 if (!card)
310 return -EINVAL;
311
312 if ((card->state != CARD_STATE_DOWN) &&
313 (card->state != CARD_STATE_RECOVER))
314 return -EPERM;
315
316 old_cnt = card->qdio.in_buf_pool.buf_count;
317 cnt = simple_strtoul(buf, &tmp, 10);
318 cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
319 ((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
320 if (old_cnt != cnt) {
321 if ((rc = qeth_realloc_buffer_pool(card, cnt)))
322 PRINT_WARN("Error (%d) while setting "
323 "buffer count.\n", rc);
324 }
325 return count;
326 }
327
328 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
329 qeth_dev_bufcnt_store);
330
331 static ssize_t
332 qeth_dev_route_show(struct qeth_card *card, struct qeth_routing_info *route,
333 char *buf)
334 {
335 switch (route->type) {
336 case PRIMARY_ROUTER:
337 return sprintf(buf, "%s\n", "primary router");
338 case SECONDARY_ROUTER:
339 return sprintf(buf, "%s\n", "secondary router");
340 case MULTICAST_ROUTER:
341 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
342 return sprintf(buf, "%s\n", "multicast router+");
343 else
344 return sprintf(buf, "%s\n", "multicast router");
345 case PRIMARY_CONNECTOR:
346 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
347 return sprintf(buf, "%s\n", "primary connector+");
348 else
349 return sprintf(buf, "%s\n", "primary connector");
350 case SECONDARY_CONNECTOR:
351 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
352 return sprintf(buf, "%s\n", "secondary connector+");
353 else
354 return sprintf(buf, "%s\n", "secondary connector");
355 default:
356 return sprintf(buf, "%s\n", "no");
357 }
358 }
359
360 static ssize_t
361 qeth_dev_route4_show(struct device *dev, struct device_attribute *attr, char *buf)
362 {
363 struct qeth_card *card = dev->driver_data;
364
365 if (!card)
366 return -EINVAL;
367
368 return qeth_dev_route_show(card, &card->options.route4, buf);
369 }
370
371 static ssize_t
372 qeth_dev_route_store(struct qeth_card *card, struct qeth_routing_info *route,
373 enum qeth_prot_versions prot, const char *buf, size_t count)
374 {
375 enum qeth_routing_types old_route_type = route->type;
376 char *tmp;
377 int rc;
378
379 tmp = strsep((char **) &buf, "\n");
380
381 if (!strcmp(tmp, "no_router")){
382 route->type = NO_ROUTER;
383 } else if (!strcmp(tmp, "primary_connector")) {
384 route->type = PRIMARY_CONNECTOR;
385 } else if (!strcmp(tmp, "secondary_connector")) {
386 route->type = SECONDARY_CONNECTOR;
387 } else if (!strcmp(tmp, "primary_router")) {
388 route->type = PRIMARY_ROUTER;
389 } else if (!strcmp(tmp, "secondary_router")) {
390 route->type = SECONDARY_ROUTER;
391 } else if (!strcmp(tmp, "multicast_router")) {
392 route->type = MULTICAST_ROUTER;
393 } else {
394 PRINT_WARN("Invalid routing type '%s'.\n", tmp);
395 return -EINVAL;
396 }
397 if (((card->state == CARD_STATE_SOFTSETUP) ||
398 (card->state == CARD_STATE_UP)) &&
399 (old_route_type != route->type)){
400 if (prot == QETH_PROT_IPV4)
401 rc = qeth_setrouting_v4(card);
402 else if (prot == QETH_PROT_IPV6)
403 rc = qeth_setrouting_v6(card);
404 }
405 return count;
406 }
407
408 static ssize_t
409 qeth_dev_route4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
410 {
411 struct qeth_card *card = dev->driver_data;
412
413 if (!card)
414 return -EINVAL;
415
416 return qeth_dev_route_store(card, &card->options.route4,
417 QETH_PROT_IPV4, buf, count);
418 }
419
420 static DEVICE_ATTR(route4, 0644, qeth_dev_route4_show, qeth_dev_route4_store);
421
422 #ifdef CONFIG_QETH_IPV6
423 static ssize_t
424 qeth_dev_route6_show(struct device *dev, struct device_attribute *attr, char *buf)
425 {
426 struct qeth_card *card = dev->driver_data;
427
428 if (!card)
429 return -EINVAL;
430
431 if (!qeth_is_supported(card, IPA_IPV6))
432 return sprintf(buf, "%s\n", "n/a");
433
434 return qeth_dev_route_show(card, &card->options.route6, buf);
435 }
436
437 static ssize_t
438 qeth_dev_route6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
439 {
440 struct qeth_card *card = dev->driver_data;
441
442 if (!card)
443 return -EINVAL;
444
445 if (!qeth_is_supported(card, IPA_IPV6)){
446 PRINT_WARN("IPv6 not supported for interface %s.\n"
447 "Routing status no changed.\n",
448 QETH_CARD_IFNAME(card));
449 return -ENOTSUPP;
450 }
451
452 return qeth_dev_route_store(card, &card->options.route6,
453 QETH_PROT_IPV6, buf, count);
454 }
455
456 static DEVICE_ATTR(route6, 0644, qeth_dev_route6_show, qeth_dev_route6_store);
457 #endif
458
459 static ssize_t
460 qeth_dev_add_hhlen_show(struct device *dev, struct device_attribute *attr, char *buf)
461 {
462 struct qeth_card *card = dev->driver_data;
463
464 if (!card)
465 return -EINVAL;
466
467 return sprintf(buf, "%i\n", card->options.add_hhlen);
468 }
469
470 static ssize_t
471 qeth_dev_add_hhlen_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
472 {
473 struct qeth_card *card = dev->driver_data;
474 char *tmp;
475 int i;
476
477 if (!card)
478 return -EINVAL;
479
480 if ((card->state != CARD_STATE_DOWN) &&
481 (card->state != CARD_STATE_RECOVER))
482 return -EPERM;
483
484 i = simple_strtoul(buf, &tmp, 10);
485 if ((i < 0) || (i > MAX_ADD_HHLEN)) {
486 PRINT_WARN("add_hhlen out of range\n");
487 return -EINVAL;
488 }
489 card->options.add_hhlen = i;
490
491 return count;
492 }
493
494 static DEVICE_ATTR(add_hhlen, 0644, qeth_dev_add_hhlen_show,
495 qeth_dev_add_hhlen_store);
496
497 static ssize_t
498 qeth_dev_fake_ll_show(struct device *dev, struct device_attribute *attr, char *buf)
499 {
500 struct qeth_card *card = dev->driver_data;
501
502 if (!card)
503 return -EINVAL;
504
505 return sprintf(buf, "%i\n", card->options.fake_ll? 1:0);
506 }
507
508 static ssize_t
509 qeth_dev_fake_ll_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
510 {
511 struct qeth_card *card = dev->driver_data;
512 char *tmp;
513 int i;
514
515 if (!card)
516 return -EINVAL;
517
518 if ((card->state != CARD_STATE_DOWN) &&
519 (card->state != CARD_STATE_RECOVER))
520 return -EPERM;
521
522 i = simple_strtoul(buf, &tmp, 16);
523 if ((i != 0) && (i != 1)) {
524 PRINT_WARN("fake_ll: write 0 or 1 to this file!\n");
525 return -EINVAL;
526 }
527 card->options.fake_ll = i;
528 return count;
529 }
530
531 static DEVICE_ATTR(fake_ll, 0644, qeth_dev_fake_ll_show,
532 qeth_dev_fake_ll_store);
533
534 static ssize_t
535 qeth_dev_fake_broadcast_show(struct device *dev, struct device_attribute *attr, char *buf)
536 {
537 struct qeth_card *card = dev->driver_data;
538
539 if (!card)
540 return -EINVAL;
541
542 return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
543 }
544
545 static ssize_t
546 qeth_dev_fake_broadcast_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
547 {
548 struct qeth_card *card = dev->driver_data;
549 char *tmp;
550 int i;
551
552 if (!card)
553 return -EINVAL;
554
555 if ((card->state != CARD_STATE_DOWN) &&
556 (card->state != CARD_STATE_RECOVER))
557 return -EPERM;
558
559 i = simple_strtoul(buf, &tmp, 16);
560 if ((i == 0) || (i == 1))
561 card->options.fake_broadcast = i;
562 else {
563 PRINT_WARN("fake_broadcast: write 0 or 1 to this file!\n");
564 return -EINVAL;
565 }
566 return count;
567 }
568
569 static DEVICE_ATTR(fake_broadcast, 0644, qeth_dev_fake_broadcast_show,
570 qeth_dev_fake_broadcast_store);
571
572 static ssize_t
573 qeth_dev_recover_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
574 {
575 struct qeth_card *card = dev->driver_data;
576 char *tmp;
577 int i;
578
579 if (!card)
580 return -EINVAL;
581
582 if (card->state != CARD_STATE_UP)
583 return -EPERM;
584
585 i = simple_strtoul(buf, &tmp, 16);
586 if (i == 1)
587 qeth_schedule_recovery(card);
588
589 return count;
590 }
591
592 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
593
594 static ssize_t
595 qeth_dev_broadcast_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
596 {
597 struct qeth_card *card = dev->driver_data;
598
599 if (!card)
600 return -EINVAL;
601
602 if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
603 (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
604 return sprintf(buf, "n/a\n");
605
606 return sprintf(buf, "%s\n", (card->options.broadcast_mode ==
607 QETH_TR_BROADCAST_ALLRINGS)?
608 "all rings":"local");
609 }
610
611 static ssize_t
612 qeth_dev_broadcast_mode_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
613 {
614 struct qeth_card *card = dev->driver_data;
615 char *tmp;
616
617 if (!card)
618 return -EINVAL;
619
620 if ((card->state != CARD_STATE_DOWN) &&
621 (card->state != CARD_STATE_RECOVER))
622 return -EPERM;
623
624 if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
625 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
626 PRINT_WARN("Device is not a tokenring device!\n");
627 return -EINVAL;
628 }
629
630 tmp = strsep((char **) &buf, "\n");
631
632 if (!strcmp(tmp, "local")){
633 card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL;
634 return count;
635 } else if (!strcmp(tmp, "all_rings")) {
636 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
637 return count;
638 } else {
639 PRINT_WARN("broadcast_mode: invalid mode %s!\n",
640 tmp);
641 return -EINVAL;
642 }
643 return count;
644 }
645
646 static DEVICE_ATTR(broadcast_mode, 0644, qeth_dev_broadcast_mode_show,
647 qeth_dev_broadcast_mode_store);
648
649 static ssize_t
650 qeth_dev_canonical_macaddr_show(struct device *dev, struct device_attribute *attr, char *buf)
651 {
652 struct qeth_card *card = dev->driver_data;
653
654 if (!card)
655 return -EINVAL;
656
657 if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
658 (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
659 return sprintf(buf, "n/a\n");
660
661 return sprintf(buf, "%i\n", (card->options.macaddr_mode ==
662 QETH_TR_MACADDR_CANONICAL)? 1:0);
663 }
664
665 static ssize_t
666 qeth_dev_canonical_macaddr_store(struct device *dev, struct device_attribute *attr, const char *buf,
667 size_t count)
668 {
669 struct qeth_card *card = dev->driver_data;
670 char *tmp;
671 int i;
672
673 if (!card)
674 return -EINVAL;
675
676 if ((card->state != CARD_STATE_DOWN) &&
677 (card->state != CARD_STATE_RECOVER))
678 return -EPERM;
679
680 if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
681 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))){
682 PRINT_WARN("Device is not a tokenring device!\n");
683 return -EINVAL;
684 }
685
686 i = simple_strtoul(buf, &tmp, 16);
687 if ((i == 0) || (i == 1))
688 card->options.macaddr_mode = i?
689 QETH_TR_MACADDR_CANONICAL :
690 QETH_TR_MACADDR_NONCANONICAL;
691 else {
692 PRINT_WARN("canonical_macaddr: write 0 or 1 to this file!\n");
693 return -EINVAL;
694 }
695 return count;
696 }
697
698 static DEVICE_ATTR(canonical_macaddr, 0644, qeth_dev_canonical_macaddr_show,
699 qeth_dev_canonical_macaddr_store);
700
701 static ssize_t
702 qeth_dev_layer2_show(struct device *dev, struct device_attribute *attr, char *buf)
703 {
704 struct qeth_card *card = dev->driver_data;
705
706 if (!card)
707 return -EINVAL;
708
709 return sprintf(buf, "%i\n", card->options.layer2 ? 1:0);
710 }
711
712 static ssize_t
713 qeth_dev_layer2_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
714 {
715 struct qeth_card *card = dev->driver_data;
716 char *tmp;
717 int i;
718
719 if (!card)
720 return -EINVAL;
721 if (card->info.type == QETH_CARD_TYPE_IQD) {
722 PRINT_WARN("Layer2 on Hipersockets is not supported! \n");
723 return -EPERM;
724 }
725
726 if (((card->state != CARD_STATE_DOWN) &&
727 (card->state != CARD_STATE_RECOVER)))
728 return -EPERM;
729
730 i = simple_strtoul(buf, &tmp, 16);
731 if ((i == 0) || (i == 1))
732 card->options.layer2 = i;
733 else {
734 PRINT_WARN("layer2: write 0 or 1 to this file!\n");
735 return -EINVAL;
736 }
737 return count;
738 }
739
740 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
741 qeth_dev_layer2_store);
742
743 static ssize_t
744 qeth_dev_performance_stats_show(struct device *dev, struct device_attribute *attr, char *buf)
745 {
746 struct qeth_card *card = dev->driver_data;
747
748 if (!card)
749 return -EINVAL;
750
751 return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
752 }
753
754 static ssize_t
755 qeth_dev_performance_stats_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
756 {
757 struct qeth_card *card = dev->driver_data;
758 char *tmp;
759 int i;
760
761 if (!card)
762 return -EINVAL;
763
764 i = simple_strtoul(buf, &tmp, 16);
765 if ((i == 0) || (i == 1)) {
766 if (i == card->options.performance_stats)
767 return count;
768 card->options.performance_stats = i;
769 if (i == 0)
770 memset(&card->perf_stats, 0,
771 sizeof(struct qeth_perf_stats));
772 card->perf_stats.initial_rx_packets = card->stats.rx_packets;
773 card->perf_stats.initial_tx_packets = card->stats.tx_packets;
774 } else {
775 PRINT_WARN("performance_stats: write 0 or 1 to this file!\n");
776 return -EINVAL;
777 }
778 return count;
779 }
780
781 static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
782 qeth_dev_performance_stats_store);
783
784 static ssize_t
785 qeth_dev_large_send_show(struct device *dev, struct device_attribute *attr, char *buf)
786 {
787 struct qeth_card *card = dev->driver_data;
788
789 if (!card)
790 return -EINVAL;
791
792 switch (card->options.large_send) {
793 case QETH_LARGE_SEND_NO:
794 return sprintf(buf, "%s\n", "no");
795 case QETH_LARGE_SEND_EDDP:
796 return sprintf(buf, "%s\n", "EDDP");
797 case QETH_LARGE_SEND_TSO:
798 return sprintf(buf, "%s\n", "TSO");
799 default:
800 return sprintf(buf, "%s\n", "N/A");
801 }
802 }
803
804 static ssize_t
805 qeth_dev_large_send_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
806 {
807 struct qeth_card *card = dev->driver_data;
808 enum qeth_large_send_types type;
809 int rc = 0;
810 char *tmp;
811
812 if (!card)
813 return -EINVAL;
814 tmp = strsep((char **) &buf, "\n");
815 if (!strcmp(tmp, "no")){
816 type = QETH_LARGE_SEND_NO;
817 } else if (!strcmp(tmp, "EDDP")) {
818 type = QETH_LARGE_SEND_EDDP;
819 } else if (!strcmp(tmp, "TSO")) {
820 type = QETH_LARGE_SEND_TSO;
821 } else {
822 PRINT_WARN("large_send: invalid mode %s!\n", tmp);
823 return -EINVAL;
824 }
825 if (card->options.large_send == type)
826 return count;
827 if ((rc = qeth_set_large_send(card, type)))
828 return rc;
829 return count;
830 }
831
832 static DEVICE_ATTR(large_send, 0644, qeth_dev_large_send_show,
833 qeth_dev_large_send_store);
834
835 static ssize_t
836 qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value )
837 {
838
839 if (!card)
840 return -EINVAL;
841
842 return sprintf(buf, "%i\n", value);
843 }
844
845 static ssize_t
846 qeth_dev_blkt_store(struct qeth_card *card, const char *buf, size_t count,
847 int *value, int max_value)
848 {
849 char *tmp;
850 int i;
851
852 if (!card)
853 return -EINVAL;
854
855 if ((card->state != CARD_STATE_DOWN) &&
856 (card->state != CARD_STATE_RECOVER))
857 return -EPERM;
858
859 i = simple_strtoul(buf, &tmp, 10);
860 if (i <= max_value) {
861 *value = i;
862 } else {
863 PRINT_WARN("blkt total time: write values between"
864 " 0 and %d to this file!\n", max_value);
865 return -EINVAL;
866 }
867 return count;
868 }
869
870 static ssize_t
871 qeth_dev_blkt_total_show(struct device *dev, struct device_attribute *attr, char *buf)
872 {
873 struct qeth_card *card = dev->driver_data;
874
875 return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
876 }
877
878
879 static ssize_t
880 qeth_dev_blkt_total_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
881 {
882 struct qeth_card *card = dev->driver_data;
883
884 return qeth_dev_blkt_store(card, buf, count,
885 &card->info.blkt.time_total,1000);
886 }
887
888
889
890 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
891 qeth_dev_blkt_total_store);
892
893 static ssize_t
894 qeth_dev_blkt_inter_show(struct device *dev, struct device_attribute *attr, char *buf)
895 {
896 struct qeth_card *card = dev->driver_data;
897
898 return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
899 }
900
901
902 static ssize_t
903 qeth_dev_blkt_inter_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
904 {
905 struct qeth_card *card = dev->driver_data;
906
907 return qeth_dev_blkt_store(card, buf, count,
908 &card->info.blkt.inter_packet,100);
909 }
910
911 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
912 qeth_dev_blkt_inter_store);
913
914 static ssize_t
915 qeth_dev_blkt_inter_jumbo_show(struct device *dev, struct device_attribute *attr, char *buf)
916 {
917 struct qeth_card *card = dev->driver_data;
918
919 return qeth_dev_blkt_show(buf, card,
920 card->info.blkt.inter_packet_jumbo);
921 }
922
923
924 static ssize_t
925 qeth_dev_blkt_inter_jumbo_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
926 {
927 struct qeth_card *card = dev->driver_data;
928
929 return qeth_dev_blkt_store(card, buf, count,
930 &card->info.blkt.inter_packet_jumbo,100);
931 }
932
933 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
934 qeth_dev_blkt_inter_jumbo_store);
935
936 static struct device_attribute * qeth_blkt_device_attrs[] = {
937 &dev_attr_total,
938 &dev_attr_inter,
939 &dev_attr_inter_jumbo,
940 NULL,
941 };
942
943 static struct attribute_group qeth_device_blkt_group = {
944 .name = "blkt",
945 .attrs = (struct attribute **)qeth_blkt_device_attrs,
946 };
947
948 static struct device_attribute * qeth_device_attrs[] = {
949 &dev_attr_state,
950 &dev_attr_chpid,
951 &dev_attr_if_name,
952 &dev_attr_card_type,
953 &dev_attr_portno,
954 &dev_attr_portname,
955 &dev_attr_checksumming,
956 &dev_attr_priority_queueing,
957 &dev_attr_buffer_count,
958 &dev_attr_route4,
959 #ifdef CONFIG_QETH_IPV6
960 &dev_attr_route6,
961 #endif
962 &dev_attr_add_hhlen,
963 &dev_attr_fake_ll,
964 &dev_attr_fake_broadcast,
965 &dev_attr_recover,
966 &dev_attr_broadcast_mode,
967 &dev_attr_canonical_macaddr,
968 &dev_attr_layer2,
969 &dev_attr_large_send,
970 &dev_attr_performance_stats,
971 NULL,
972 };
973
974 static struct attribute_group qeth_device_attr_group = {
975 .attrs = (struct attribute **)qeth_device_attrs,
976 };
977
978 static struct device_attribute * qeth_osn_device_attrs[] = {
979 &dev_attr_state,
980 &dev_attr_chpid,
981 &dev_attr_if_name,
982 &dev_attr_card_type,
983 &dev_attr_buffer_count,
984 &dev_attr_recover,
985 NULL,
986 };
987
988 static struct attribute_group qeth_osn_device_attr_group = {
989 .attrs = (struct attribute **)qeth_osn_device_attrs,
990 };
991
992 #define QETH_DEVICE_ATTR(_id,_name,_mode,_show,_store) \
993 struct device_attribute dev_attr_##_id = { \
994 .attr = {.name=__stringify(_name), .mode=_mode, },\
995 .show = _show, \
996 .store = _store, \
997 };
998
999 static int
1000 qeth_check_layer2(struct qeth_card *card)
1001 {
1002 if (card->options.layer2)
1003 return -EPERM;
1004 return 0;
1005 }
1006
1007
1008 static ssize_t
1009 qeth_dev_ipato_enable_show(struct device *dev, struct device_attribute *attr, char *buf)
1010 {
1011 struct qeth_card *card = dev->driver_data;
1012
1013 if (!card)
1014 return -EINVAL;
1015
1016 if (qeth_check_layer2(card))
1017 return -EPERM;
1018 return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
1019 }
1020
1021 static ssize_t
1022 qeth_dev_ipato_enable_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1023 {
1024 struct qeth_card *card = dev->driver_data;
1025 char *tmp;
1026
1027 if (!card)
1028 return -EINVAL;
1029
1030 if ((card->state != CARD_STATE_DOWN) &&
1031 (card->state != CARD_STATE_RECOVER))
1032 return -EPERM;
1033
1034 if (qeth_check_layer2(card))
1035 return -EPERM;
1036
1037 tmp = strsep((char **) &buf, "\n");
1038 if (!strcmp(tmp, "toggle")){
1039 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
1040 } else if (!strcmp(tmp, "1")){
1041 card->ipato.enabled = 1;
1042 } else if (!strcmp(tmp, "0")){
1043 card->ipato.enabled = 0;
1044 } else {
1045 PRINT_WARN("ipato_enable: write 0, 1 or 'toggle' to "
1046 "this file\n");
1047 return -EINVAL;
1048 }
1049 return count;
1050 }
1051
1052 static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
1053 qeth_dev_ipato_enable_show,
1054 qeth_dev_ipato_enable_store);
1055
1056 static ssize_t
1057 qeth_dev_ipato_invert4_show(struct device *dev, struct device_attribute *attr, char *buf)
1058 {
1059 struct qeth_card *card = dev->driver_data;
1060
1061 if (!card)
1062 return -EINVAL;
1063
1064 if (qeth_check_layer2(card))
1065 return -EPERM;
1066
1067 return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
1068 }
1069
1070 static ssize_t
1071 qeth_dev_ipato_invert4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1072 {
1073 struct qeth_card *card = dev->driver_data;
1074 char *tmp;
1075
1076 if (!card)
1077 return -EINVAL;
1078
1079 if (qeth_check_layer2(card))
1080 return -EPERM;
1081
1082 tmp = strsep((char **) &buf, "\n");
1083 if (!strcmp(tmp, "toggle")){
1084 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
1085 } else if (!strcmp(tmp, "1")){
1086 card->ipato.invert4 = 1;
1087 } else if (!strcmp(tmp, "0")){
1088 card->ipato.invert4 = 0;
1089 } else {
1090 PRINT_WARN("ipato_invert4: write 0, 1 or 'toggle' to "
1091 "this file\n");
1092 return -EINVAL;
1093 }
1094 return count;
1095 }
1096
1097 static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
1098 qeth_dev_ipato_invert4_show,
1099 qeth_dev_ipato_invert4_store);
1100
1101 static ssize_t
1102 qeth_dev_ipato_add_show(char *buf, struct qeth_card *card,
1103 enum qeth_prot_versions proto)
1104 {
1105 struct qeth_ipato_entry *ipatoe;
1106 unsigned long flags;
1107 char addr_str[40];
1108 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1109 int i = 0;
1110
1111 if (qeth_check_layer2(card))
1112 return -EPERM;
1113
1114 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1115 /* add strlen for "/<mask>\n" */
1116 entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
1117 spin_lock_irqsave(&card->ip_lock, flags);
1118 list_for_each_entry(ipatoe, &card->ipato.entries, entry){
1119 if (ipatoe->proto != proto)
1120 continue;
1121 /* String must not be longer than PAGE_SIZE. So we check if
1122 * string length gets near PAGE_SIZE. Then we can savely display
1123 * the next IPv6 address (worst case, compared to IPv4) */
1124 if ((PAGE_SIZE - i) <= entry_len)
1125 break;
1126 qeth_ipaddr_to_string(proto, ipatoe->addr, addr_str);
1127 i += snprintf(buf + i, PAGE_SIZE - i,
1128 "%s/%i\n", addr_str, ipatoe->mask_bits);
1129 }
1130 spin_unlock_irqrestore(&card->ip_lock, flags);
1131 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1132
1133 return i;
1134 }
1135
1136 static ssize_t
1137 qeth_dev_ipato_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1138 {
1139 struct qeth_card *card = dev->driver_data;
1140
1141 if (!card)
1142 return -EINVAL;
1143
1144 return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
1145 }
1146
1147 static int
1148 qeth_parse_ipatoe(const char* buf, enum qeth_prot_versions proto,
1149 u8 *addr, int *mask_bits)
1150 {
1151 const char *start, *end;
1152 char *tmp;
1153 char buffer[40] = {0, };
1154
1155 start = buf;
1156 /* get address string */
1157 end = strchr(start, '/');
1158 if (!end || (end - start >= 40)){
1159 PRINT_WARN("Invalid format for ipato_addx/delx. "
1160 "Use <ip addr>/<mask bits>\n");
1161 return -EINVAL;
1162 }
1163 strncpy(buffer, start, end - start);
1164 if (qeth_string_to_ipaddr(buffer, proto, addr)){
1165 PRINT_WARN("Invalid IP address format!\n");
1166 return -EINVAL;
1167 }
1168 start = end + 1;
1169 *mask_bits = simple_strtoul(start, &tmp, 10);
1170 if (!strlen(start) ||
1171 (tmp == start) ||
1172 (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) {
1173 PRINT_WARN("Invalid mask bits for ipato_addx/delx !\n");
1174 return -EINVAL;
1175 }
1176 return 0;
1177 }
1178
1179 static ssize_t
1180 qeth_dev_ipato_add_store(const char *buf, size_t count,
1181 struct qeth_card *card, enum qeth_prot_versions proto)
1182 {
1183 struct qeth_ipato_entry *ipatoe;
1184 u8 addr[16];
1185 int mask_bits;
1186 int rc;
1187
1188 if (qeth_check_layer2(card))
1189 return -EPERM;
1190 if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
1191 return rc;
1192
1193 if (!(ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL))){
1194 PRINT_WARN("No memory to allocate ipato entry\n");
1195 return -ENOMEM;
1196 }
1197 ipatoe->proto = proto;
1198 memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
1199 ipatoe->mask_bits = mask_bits;
1200
1201 if ((rc = qeth_add_ipato_entry(card, ipatoe))){
1202 kfree(ipatoe);
1203 return rc;
1204 }
1205
1206 return count;
1207 }
1208
1209 static ssize_t
1210 qeth_dev_ipato_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1211 {
1212 struct qeth_card *card = dev->driver_data;
1213
1214 if (!card)
1215 return -EINVAL;
1216
1217 return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
1218 }
1219
1220 static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
1221 qeth_dev_ipato_add4_show,
1222 qeth_dev_ipato_add4_store);
1223
1224 static ssize_t
1225 qeth_dev_ipato_del_store(const char *buf, size_t count,
1226 struct qeth_card *card, enum qeth_prot_versions proto)
1227 {
1228 u8 addr[16];
1229 int mask_bits;
1230 int rc;
1231
1232 if (qeth_check_layer2(card))
1233 return -EPERM;
1234 if ((rc = qeth_parse_ipatoe(buf, proto, addr, &mask_bits)))
1235 return rc;
1236
1237 qeth_del_ipato_entry(card, proto, addr, mask_bits);
1238
1239 return count;
1240 }
1241
1242 static ssize_t
1243 qeth_dev_ipato_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1244 {
1245 struct qeth_card *card = dev->driver_data;
1246
1247 if (!card)
1248 return -EINVAL;
1249
1250 return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
1251 }
1252
1253 static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
1254 qeth_dev_ipato_del4_store);
1255
1256 #ifdef CONFIG_QETH_IPV6
1257 static ssize_t
1258 qeth_dev_ipato_invert6_show(struct device *dev, struct device_attribute *attr, char *buf)
1259 {
1260 struct qeth_card *card = dev->driver_data;
1261
1262 if (!card)
1263 return -EINVAL;
1264
1265 if (qeth_check_layer2(card))
1266 return -EPERM;
1267
1268 return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
1269 }
1270
1271 static ssize_t
1272 qeth_dev_ipato_invert6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1273 {
1274 struct qeth_card *card = dev->driver_data;
1275 char *tmp;
1276
1277 if (!card)
1278 return -EINVAL;
1279
1280 if (qeth_check_layer2(card))
1281 return -EPERM;
1282
1283 tmp = strsep((char **) &buf, "\n");
1284 if (!strcmp(tmp, "toggle")){
1285 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
1286 } else if (!strcmp(tmp, "1")){
1287 card->ipato.invert6 = 1;
1288 } else if (!strcmp(tmp, "0")){
1289 card->ipato.invert6 = 0;
1290 } else {
1291 PRINT_WARN("ipato_invert6: write 0, 1 or 'toggle' to "
1292 "this file\n");
1293 return -EINVAL;
1294 }
1295 return count;
1296 }
1297
1298 static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
1299 qeth_dev_ipato_invert6_show,
1300 qeth_dev_ipato_invert6_store);
1301
1302
1303 static ssize_t
1304 qeth_dev_ipato_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1305 {
1306 struct qeth_card *card = dev->driver_data;
1307
1308 if (!card)
1309 return -EINVAL;
1310
1311 return qeth_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
1312 }
1313
1314 static ssize_t
1315 qeth_dev_ipato_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1316 {
1317 struct qeth_card *card = dev->driver_data;
1318
1319 if (!card)
1320 return -EINVAL;
1321
1322 return qeth_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
1323 }
1324
1325 static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
1326 qeth_dev_ipato_add6_show,
1327 qeth_dev_ipato_add6_store);
1328
1329 static ssize_t
1330 qeth_dev_ipato_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1331 {
1332 struct qeth_card *card = dev->driver_data;
1333
1334 if (!card)
1335 return -EINVAL;
1336
1337 return qeth_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
1338 }
1339
1340 static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
1341 qeth_dev_ipato_del6_store);
1342 #endif /* CONFIG_QETH_IPV6 */
1343
1344 static struct device_attribute * qeth_ipato_device_attrs[] = {
1345 &dev_attr_ipato_enable,
1346 &dev_attr_ipato_invert4,
1347 &dev_attr_ipato_add4,
1348 &dev_attr_ipato_del4,
1349 #ifdef CONFIG_QETH_IPV6
1350 &dev_attr_ipato_invert6,
1351 &dev_attr_ipato_add6,
1352 &dev_attr_ipato_del6,
1353 #endif
1354 NULL,
1355 };
1356
1357 static struct attribute_group qeth_device_ipato_group = {
1358 .name = "ipa_takeover",
1359 .attrs = (struct attribute **)qeth_ipato_device_attrs,
1360 };
1361
1362 static ssize_t
1363 qeth_dev_vipa_add_show(char *buf, struct qeth_card *card,
1364 enum qeth_prot_versions proto)
1365 {
1366 struct qeth_ipaddr *ipaddr;
1367 char addr_str[40];
1368 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1369 unsigned long flags;
1370 int i = 0;
1371
1372 if (qeth_check_layer2(card))
1373 return -EPERM;
1374
1375 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1376 entry_len += 2; /* \n + terminator */
1377 spin_lock_irqsave(&card->ip_lock, flags);
1378 list_for_each_entry(ipaddr, &card->ip_list, entry){
1379 if (ipaddr->proto != proto)
1380 continue;
1381 if (ipaddr->type != QETH_IP_TYPE_VIPA)
1382 continue;
1383 /* String must not be longer than PAGE_SIZE. So we check if
1384 * string length gets near PAGE_SIZE. Then we can savely display
1385 * the next IPv6 address (worst case, compared to IPv4) */
1386 if ((PAGE_SIZE - i) <= entry_len)
1387 break;
1388 qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
1389 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
1390 }
1391 spin_unlock_irqrestore(&card->ip_lock, flags);
1392 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1393
1394 return i;
1395 }
1396
1397 static ssize_t
1398 qeth_dev_vipa_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1399 {
1400 struct qeth_card *card = dev->driver_data;
1401
1402 if (!card)
1403 return -EINVAL;
1404
1405 return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
1406 }
1407
1408 static int
1409 qeth_parse_vipae(const char* buf, enum qeth_prot_versions proto,
1410 u8 *addr)
1411 {
1412 if (qeth_string_to_ipaddr(buf, proto, addr)){
1413 PRINT_WARN("Invalid IP address format!\n");
1414 return -EINVAL;
1415 }
1416 return 0;
1417 }
1418
1419 static ssize_t
1420 qeth_dev_vipa_add_store(const char *buf, size_t count,
1421 struct qeth_card *card, enum qeth_prot_versions proto)
1422 {
1423 u8 addr[16] = {0, };
1424 int rc;
1425
1426 if (qeth_check_layer2(card))
1427 return -EPERM;
1428 if ((rc = qeth_parse_vipae(buf, proto, addr)))
1429 return rc;
1430
1431 if ((rc = qeth_add_vipa(card, proto, addr)))
1432 return rc;
1433
1434 return count;
1435 }
1436
1437 static ssize_t
1438 qeth_dev_vipa_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1439 {
1440 struct qeth_card *card = dev->driver_data;
1441
1442 if (!card)
1443 return -EINVAL;
1444
1445 return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
1446 }
1447
1448 static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
1449 qeth_dev_vipa_add4_show,
1450 qeth_dev_vipa_add4_store);
1451
1452 static ssize_t
1453 qeth_dev_vipa_del_store(const char *buf, size_t count,
1454 struct qeth_card *card, enum qeth_prot_versions proto)
1455 {
1456 u8 addr[16];
1457 int rc;
1458
1459 if (qeth_check_layer2(card))
1460 return -EPERM;
1461 if ((rc = qeth_parse_vipae(buf, proto, addr)))
1462 return rc;
1463
1464 qeth_del_vipa(card, proto, addr);
1465
1466 return count;
1467 }
1468
1469 static ssize_t
1470 qeth_dev_vipa_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1471 {
1472 struct qeth_card *card = dev->driver_data;
1473
1474 if (!card)
1475 return -EINVAL;
1476
1477 return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
1478 }
1479
1480 static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
1481 qeth_dev_vipa_del4_store);
1482
1483 #ifdef CONFIG_QETH_IPV6
1484 static ssize_t
1485 qeth_dev_vipa_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1486 {
1487 struct qeth_card *card = dev->driver_data;
1488
1489 if (!card)
1490 return -EINVAL;
1491
1492 return qeth_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
1493 }
1494
1495 static ssize_t
1496 qeth_dev_vipa_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1497 {
1498 struct qeth_card *card = dev->driver_data;
1499
1500 if (!card)
1501 return -EINVAL;
1502
1503 return qeth_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
1504 }
1505
1506 static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
1507 qeth_dev_vipa_add6_show,
1508 qeth_dev_vipa_add6_store);
1509
1510 static ssize_t
1511 qeth_dev_vipa_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1512 {
1513 struct qeth_card *card = dev->driver_data;
1514
1515 if (!card)
1516 return -EINVAL;
1517
1518 if (qeth_check_layer2(card))
1519 return -EPERM;
1520
1521 return qeth_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
1522 }
1523
1524 static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
1525 qeth_dev_vipa_del6_store);
1526 #endif /* CONFIG_QETH_IPV6 */
1527
1528 static struct device_attribute * qeth_vipa_device_attrs[] = {
1529 &dev_attr_vipa_add4,
1530 &dev_attr_vipa_del4,
1531 #ifdef CONFIG_QETH_IPV6
1532 &dev_attr_vipa_add6,
1533 &dev_attr_vipa_del6,
1534 #endif
1535 NULL,
1536 };
1537
1538 static struct attribute_group qeth_device_vipa_group = {
1539 .name = "vipa",
1540 .attrs = (struct attribute **)qeth_vipa_device_attrs,
1541 };
1542
1543 static ssize_t
1544 qeth_dev_rxip_add_show(char *buf, struct qeth_card *card,
1545 enum qeth_prot_versions proto)
1546 {
1547 struct qeth_ipaddr *ipaddr;
1548 char addr_str[40];
1549 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
1550 unsigned long flags;
1551 int i = 0;
1552
1553 if (qeth_check_layer2(card))
1554 return -EPERM;
1555
1556 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
1557 entry_len += 2; /* \n + terminator */
1558 spin_lock_irqsave(&card->ip_lock, flags);
1559 list_for_each_entry(ipaddr, &card->ip_list, entry){
1560 if (ipaddr->proto != proto)
1561 continue;
1562 if (ipaddr->type != QETH_IP_TYPE_RXIP)
1563 continue;
1564 /* String must not be longer than PAGE_SIZE. So we check if
1565 * string length gets near PAGE_SIZE. Then we can savely display
1566 * the next IPv6 address (worst case, compared to IPv4) */
1567 if ((PAGE_SIZE - i) <= entry_len)
1568 break;
1569 qeth_ipaddr_to_string(proto, (const u8 *)&ipaddr->u, addr_str);
1570 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
1571 }
1572 spin_unlock_irqrestore(&card->ip_lock, flags);
1573 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
1574
1575 return i;
1576 }
1577
1578 static ssize_t
1579 qeth_dev_rxip_add4_show(struct device *dev, struct device_attribute *attr, char *buf)
1580 {
1581 struct qeth_card *card = dev->driver_data;
1582
1583 if (!card)
1584 return -EINVAL;
1585
1586 return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
1587 }
1588
1589 static int
1590 qeth_parse_rxipe(const char* buf, enum qeth_prot_versions proto,
1591 u8 *addr)
1592 {
1593 if (qeth_string_to_ipaddr(buf, proto, addr)){
1594 PRINT_WARN("Invalid IP address format!\n");
1595 return -EINVAL;
1596 }
1597 return 0;
1598 }
1599
1600 static ssize_t
1601 qeth_dev_rxip_add_store(const char *buf, size_t count,
1602 struct qeth_card *card, enum qeth_prot_versions proto)
1603 {
1604 u8 addr[16] = {0, };
1605 int rc;
1606
1607 if (qeth_check_layer2(card))
1608 return -EPERM;
1609 if ((rc = qeth_parse_rxipe(buf, proto, addr)))
1610 return rc;
1611
1612 if ((rc = qeth_add_rxip(card, proto, addr)))
1613 return rc;
1614
1615 return count;
1616 }
1617
1618 static ssize_t
1619 qeth_dev_rxip_add4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1620 {
1621 struct qeth_card *card = dev->driver_data;
1622
1623 if (!card)
1624 return -EINVAL;
1625
1626 return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
1627 }
1628
1629 static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
1630 qeth_dev_rxip_add4_show,
1631 qeth_dev_rxip_add4_store);
1632
1633 static ssize_t
1634 qeth_dev_rxip_del_store(const char *buf, size_t count,
1635 struct qeth_card *card, enum qeth_prot_versions proto)
1636 {
1637 u8 addr[16];
1638 int rc;
1639
1640 if (qeth_check_layer2(card))
1641 return -EPERM;
1642 if ((rc = qeth_parse_rxipe(buf, proto, addr)))
1643 return rc;
1644
1645 qeth_del_rxip(card, proto, addr);
1646
1647 return count;
1648 }
1649
1650 static ssize_t
1651 qeth_dev_rxip_del4_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1652 {
1653 struct qeth_card *card = dev->driver_data;
1654
1655 if (!card)
1656 return -EINVAL;
1657
1658 return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
1659 }
1660
1661 static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
1662 qeth_dev_rxip_del4_store);
1663
1664 #ifdef CONFIG_QETH_IPV6
1665 static ssize_t
1666 qeth_dev_rxip_add6_show(struct device *dev, struct device_attribute *attr, char *buf)
1667 {
1668 struct qeth_card *card = dev->driver_data;
1669
1670 if (!card)
1671 return -EINVAL;
1672
1673 return qeth_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
1674 }
1675
1676 static ssize_t
1677 qeth_dev_rxip_add6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1678 {
1679 struct qeth_card *card = dev->driver_data;
1680
1681 if (!card)
1682 return -EINVAL;
1683
1684 return qeth_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
1685 }
1686
1687 static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
1688 qeth_dev_rxip_add6_show,
1689 qeth_dev_rxip_add6_store);
1690
1691 static ssize_t
1692 qeth_dev_rxip_del6_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
1693 {
1694 struct qeth_card *card = dev->driver_data;
1695
1696 if (!card)
1697 return -EINVAL;
1698
1699 return qeth_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
1700 }
1701
1702 static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
1703 qeth_dev_rxip_del6_store);
1704 #endif /* CONFIG_QETH_IPV6 */
1705
1706 static struct device_attribute * qeth_rxip_device_attrs[] = {
1707 &dev_attr_rxip_add4,
1708 &dev_attr_rxip_del4,
1709 #ifdef CONFIG_QETH_IPV6
1710 &dev_attr_rxip_add6,
1711 &dev_attr_rxip_del6,
1712 #endif
1713 NULL,
1714 };
1715
1716 static struct attribute_group qeth_device_rxip_group = {
1717 .name = "rxip",
1718 .attrs = (struct attribute **)qeth_rxip_device_attrs,
1719 };
1720
1721 int
1722 qeth_create_device_attributes(struct device *dev)
1723 {
1724 int ret;
1725 struct qeth_card *card = dev->driver_data;
1726
1727 if (card->info.type == QETH_CARD_TYPE_OSN)
1728 return sysfs_create_group(&dev->kobj,
1729 &qeth_osn_device_attr_group);
1730
1731 if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_attr_group)))
1732 return ret;
1733 if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group))){
1734 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1735 return ret;
1736 }
1737 if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group))){
1738 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1739 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1740 return ret;
1741 }
1742 if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group))){
1743 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1744 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1745 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1746 return ret;
1747 }
1748 if ((ret = sysfs_create_group(&dev->kobj, &qeth_device_blkt_group))){
1749 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1750 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1751 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1752 sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
1753 return ret;
1754 }
1755 return 0;
1756 }
1757
1758 void
1759 qeth_remove_device_attributes(struct device *dev)
1760 {
1761 struct qeth_card *card = dev->driver_data;
1762
1763 if (card->info.type == QETH_CARD_TYPE_OSN) {
1764 sysfs_remove_group(&dev->kobj, &qeth_osn_device_attr_group);
1765 return;
1766 }
1767 sysfs_remove_group(&dev->kobj, &qeth_device_attr_group);
1768 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1769 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1770 sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
1771 sysfs_remove_group(&dev->kobj, &qeth_device_blkt_group);
1772 }
1773
1774 /**********************/
1775 /* DRIVER ATTRIBUTES */
1776 /**********************/
1777 static ssize_t
1778 qeth_driver_group_store(struct device_driver *ddrv, const char *buf,
1779 size_t count)
1780 {
1781 const char *start, *end;
1782 char bus_ids[3][BUS_ID_SIZE], *argv[3];
1783 int i;
1784 int err;
1785
1786 start = buf;
1787 for (i = 0; i < 3; i++) {
1788 static const char delim[] = { ',', ',', '\n' };
1789 int len;
1790
1791 if (!(end = strchr(start, delim[i])))
1792 return -EINVAL;
1793 len = min_t(ptrdiff_t, BUS_ID_SIZE, end - start);
1794 strncpy(bus_ids[i], start, len);
1795 bus_ids[i][len] = '\0';
1796 start = end + 1;
1797 argv[i] = bus_ids[i];
1798 }
1799 err = ccwgroup_create(qeth_root_dev, qeth_ccwgroup_driver.driver_id,
1800 &qeth_ccw_driver, 3, argv);
1801 if (err)
1802 return err;
1803 else
1804 return count;
1805 }
1806
1807
1808 static DRIVER_ATTR(group, 0200, NULL, qeth_driver_group_store);
1809
1810 static ssize_t
1811 qeth_driver_notifier_register_store(struct device_driver *ddrv, const char *buf,
1812 size_t count)
1813 {
1814 int rc;
1815 int signum;
1816 char *tmp, *tmp2;
1817
1818 tmp = strsep((char **) &buf, "\n");
1819 if (!strncmp(tmp, "unregister", 10)){
1820 if ((rc = qeth_notifier_unregister(current)))
1821 return rc;
1822 return count;
1823 }
1824
1825 signum = simple_strtoul(tmp, &tmp2, 10);
1826 if ((signum < 0) || (signum > 32)){
1827 PRINT_WARN("Signal number %d is out of range\n", signum);
1828 return -EINVAL;
1829 }
1830 if ((rc = qeth_notifier_register(current, signum)))
1831 return rc;
1832
1833 return count;
1834 }
1835
1836 static DRIVER_ATTR(notifier_register, 0200, NULL,
1837 qeth_driver_notifier_register_store);
1838
1839 int
1840 qeth_create_driver_attributes(void)
1841 {
1842 int rc;
1843
1844 if ((rc = driver_create_file(&qeth_ccwgroup_driver.driver,
1845 &driver_attr_group)))
1846 return rc;
1847 return driver_create_file(&qeth_ccwgroup_driver.driver,
1848 &driver_attr_notifier_register);
1849 }
1850
1851 void
1852 qeth_remove_driver_attributes(void)
1853 {
1854 driver_remove_file(&qeth_ccwgroup_driver.driver,
1855 &driver_attr_group);
1856 driver_remove_file(&qeth_ccwgroup_driver.driver,
1857 &driver_attr_notifier_register);
1858 }
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