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1/*
2 * drivers/s390/net/qeth_l3_sys.c
3 *
4 * Copyright IBM Corp. 2007
5 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
6 * Frank Pavlic <fpavlic@de.ibm.com>,
7 * Thomas Spatzier <tspat@de.ibm.com>,
8 * Frank Blaschka <frank.blaschka@de.ibm.com>
9 */
10
11#include <linux/slab.h>
12
13#include "qeth_l3.h"
14
15#define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \
16struct device_attribute dev_attr_##_id = __ATTR(_name, _mode, _show, _store)
17
18static ssize_t qeth_l3_dev_route_show(struct qeth_card *card,
19 struct qeth_routing_info *route, char *buf)
20{
21 switch (route->type) {
22 case PRIMARY_ROUTER:
23 return sprintf(buf, "%s\n", "primary router");
24 case SECONDARY_ROUTER:
25 return sprintf(buf, "%s\n", "secondary router");
26 case MULTICAST_ROUTER:
27 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
28 return sprintf(buf, "%s\n", "multicast router+");
29 else
30 return sprintf(buf, "%s\n", "multicast router");
31 case PRIMARY_CONNECTOR:
32 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
33 return sprintf(buf, "%s\n", "primary connector+");
34 else
35 return sprintf(buf, "%s\n", "primary connector");
36 case SECONDARY_CONNECTOR:
37 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
38 return sprintf(buf, "%s\n", "secondary connector+");
39 else
40 return sprintf(buf, "%s\n", "secondary connector");
41 default:
42 return sprintf(buf, "%s\n", "no");
43 }
44}
45
46static ssize_t qeth_l3_dev_route4_show(struct device *dev,
47 struct device_attribute *attr, char *buf)
48{
49 struct qeth_card *card = dev_get_drvdata(dev);
50
51 if (!card)
52 return -EINVAL;
53
54 return qeth_l3_dev_route_show(card, &card->options.route4, buf);
55}
56
57static ssize_t qeth_l3_dev_route_store(struct qeth_card *card,
58 struct qeth_routing_info *route, enum qeth_prot_versions prot,
59 const char *buf, size_t count)
60{
61 enum qeth_routing_types old_route_type = route->type;
62 char *tmp;
63 int rc = 0;
64
65 tmp = strsep((char **) &buf, "\n");
66 mutex_lock(&card->conf_mutex);
67 if (!strcmp(tmp, "no_router")) {
68 route->type = NO_ROUTER;
69 } else if (!strcmp(tmp, "primary_connector")) {
70 route->type = PRIMARY_CONNECTOR;
71 } else if (!strcmp(tmp, "secondary_connector")) {
72 route->type = SECONDARY_CONNECTOR;
73 } else if (!strcmp(tmp, "primary_router")) {
74 route->type = PRIMARY_ROUTER;
75 } else if (!strcmp(tmp, "secondary_router")) {
76 route->type = SECONDARY_ROUTER;
77 } else if (!strcmp(tmp, "multicast_router")) {
78 route->type = MULTICAST_ROUTER;
79 } else {
80 rc = -EINVAL;
81 goto out;
82 }
83 if (((card->state == CARD_STATE_SOFTSETUP) ||
84 (card->state == CARD_STATE_UP)) &&
85 (old_route_type != route->type)) {
86 if (prot == QETH_PROT_IPV4)
87 rc = qeth_l3_setrouting_v4(card);
88 else if (prot == QETH_PROT_IPV6)
89 rc = qeth_l3_setrouting_v6(card);
90 }
91out:
92 mutex_unlock(&card->conf_mutex);
93 return rc ? rc : count;
94}
95
96static ssize_t qeth_l3_dev_route4_store(struct device *dev,
97 struct device_attribute *attr, const char *buf, size_t count)
98{
99 struct qeth_card *card = dev_get_drvdata(dev);
100
101 if (!card)
102 return -EINVAL;
103
104 return qeth_l3_dev_route_store(card, &card->options.route4,
105 QETH_PROT_IPV4, buf, count);
106}
107
108static DEVICE_ATTR(route4, 0644, qeth_l3_dev_route4_show,
109 qeth_l3_dev_route4_store);
110
111static ssize_t qeth_l3_dev_route6_show(struct device *dev,
112 struct device_attribute *attr, char *buf)
113{
114 struct qeth_card *card = dev_get_drvdata(dev);
115
116 if (!card)
117 return -EINVAL;
118
119 return qeth_l3_dev_route_show(card, &card->options.route6, buf);
120}
121
122static ssize_t qeth_l3_dev_route6_store(struct device *dev,
123 struct device_attribute *attr, const char *buf, size_t count)
124{
125 struct qeth_card *card = dev_get_drvdata(dev);
126
127 if (!card)
128 return -EINVAL;
129
130 return qeth_l3_dev_route_store(card, &card->options.route6,
131 QETH_PROT_IPV6, buf, count);
132}
133
134static DEVICE_ATTR(route6, 0644, qeth_l3_dev_route6_show,
135 qeth_l3_dev_route6_store);
136
137static ssize_t qeth_l3_dev_fake_broadcast_show(struct device *dev,
138 struct device_attribute *attr, char *buf)
139{
140 struct qeth_card *card = dev_get_drvdata(dev);
141
142 if (!card)
143 return -EINVAL;
144
145 return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
146}
147
148static ssize_t qeth_l3_dev_fake_broadcast_store(struct device *dev,
149 struct device_attribute *attr, const char *buf, size_t count)
150{
151 struct qeth_card *card = dev_get_drvdata(dev);
152 char *tmp;
153 int i, rc = 0;
154
155 if (!card)
156 return -EINVAL;
157
158 mutex_lock(&card->conf_mutex);
159 if ((card->state != CARD_STATE_DOWN) &&
160 (card->state != CARD_STATE_RECOVER)) {
161 rc = -EPERM;
162 goto out;
163 }
164
165 i = simple_strtoul(buf, &tmp, 16);
166 if ((i == 0) || (i == 1))
167 card->options.fake_broadcast = i;
168 else
169 rc = -EINVAL;
170out:
171 mutex_unlock(&card->conf_mutex);
172 return rc ? rc : count;
173}
174
175static DEVICE_ATTR(fake_broadcast, 0644, qeth_l3_dev_fake_broadcast_show,
176 qeth_l3_dev_fake_broadcast_store);
177
178static ssize_t qeth_l3_dev_broadcast_mode_show(struct device *dev,
179 struct device_attribute *attr, char *buf)
180{
181 struct qeth_card *card = dev_get_drvdata(dev);
182
183 if (!card)
184 return -EINVAL;
185
186 if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
187 (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
188 return sprintf(buf, "n/a\n");
189
190 return sprintf(buf, "%s\n", (card->options.broadcast_mode ==
191 QETH_TR_BROADCAST_ALLRINGS)?
192 "all rings":"local");
193}
194
195static ssize_t qeth_l3_dev_broadcast_mode_store(struct device *dev,
196 struct device_attribute *attr, const char *buf, size_t count)
197{
198 struct qeth_card *card = dev_get_drvdata(dev);
199 char *tmp;
200 int rc = 0;
201
202 if (!card)
203 return -EINVAL;
204
205 mutex_lock(&card->conf_mutex);
206 if ((card->state != CARD_STATE_DOWN) &&
207 (card->state != CARD_STATE_RECOVER)) {
208 rc = -EPERM;
209 goto out;
210 }
211
212 if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
213 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))) {
214 rc = -EINVAL;
215 goto out;
216 }
217
218 tmp = strsep((char **) &buf, "\n");
219
220 if (!strcmp(tmp, "local"))
221 card->options.broadcast_mode = QETH_TR_BROADCAST_LOCAL;
222 else if (!strcmp(tmp, "all_rings"))
223 card->options.broadcast_mode = QETH_TR_BROADCAST_ALLRINGS;
224 else
225 rc = -EINVAL;
226out:
227 mutex_unlock(&card->conf_mutex);
228 return rc ? rc : count;
229}
230
231static DEVICE_ATTR(broadcast_mode, 0644, qeth_l3_dev_broadcast_mode_show,
232 qeth_l3_dev_broadcast_mode_store);
233
234static ssize_t qeth_l3_dev_canonical_macaddr_show(struct device *dev,
235 struct device_attribute *attr, char *buf)
236{
237 struct qeth_card *card = dev_get_drvdata(dev);
238
239 if (!card)
240 return -EINVAL;
241
242 if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
243 (card->info.link_type == QETH_LINK_TYPE_LANE_TR)))
244 return sprintf(buf, "n/a\n");
245
246 return sprintf(buf, "%i\n", (card->options.macaddr_mode ==
247 QETH_TR_MACADDR_CANONICAL)? 1:0);
248}
249
250static ssize_t qeth_l3_dev_canonical_macaddr_store(struct device *dev,
251 struct device_attribute *attr, const char *buf, size_t count)
252{
253 struct qeth_card *card = dev_get_drvdata(dev);
254 char *tmp;
255 int i, rc = 0;
256
257 if (!card)
258 return -EINVAL;
259
260 mutex_lock(&card->conf_mutex);
261 if ((card->state != CARD_STATE_DOWN) &&
262 (card->state != CARD_STATE_RECOVER)) {
263 rc = -EPERM;
264 goto out;
265 }
266
267 if (!((card->info.link_type == QETH_LINK_TYPE_HSTR) ||
268 (card->info.link_type == QETH_LINK_TYPE_LANE_TR))) {
269 rc = -EINVAL;
270 goto out;
271 }
272
273 i = simple_strtoul(buf, &tmp, 16);
274 if ((i == 0) || (i == 1))
275 card->options.macaddr_mode = i?
276 QETH_TR_MACADDR_CANONICAL :
277 QETH_TR_MACADDR_NONCANONICAL;
278 else
279 rc = -EINVAL;
280out:
281 mutex_unlock(&card->conf_mutex);
282 return rc ? rc : count;
283}
284
285static DEVICE_ATTR(canonical_macaddr, 0644, qeth_l3_dev_canonical_macaddr_show,
286 qeth_l3_dev_canonical_macaddr_store);
287
288static ssize_t qeth_l3_dev_sniffer_show(struct device *dev,
289 struct device_attribute *attr, char *buf)
290{
291 struct qeth_card *card = dev_get_drvdata(dev);
292
293 if (!card)
294 return -EINVAL;
295
296 return sprintf(buf, "%i\n", card->options.sniffer ? 1 : 0);
297}
298
299static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
300 struct device_attribute *attr, const char *buf, size_t count)
301{
302 struct qeth_card *card = dev_get_drvdata(dev);
303 int rc = 0;
304 unsigned long i;
305
306 if (!card)
307 return -EINVAL;
308
309 if (card->info.type != QETH_CARD_TYPE_IQD)
310 return -EPERM;
311
312 mutex_lock(&card->conf_mutex);
313 if ((card->state != CARD_STATE_DOWN) &&
314 (card->state != CARD_STATE_RECOVER)) {
315 rc = -EPERM;
316 goto out;
317 }
318
319 rc = strict_strtoul(buf, 16, &i);
320 if (rc) {
321 rc = -EINVAL;
322 goto out;
323 }
324 switch (i) {
325 case 0:
326 card->options.sniffer = i;
327 break;
328 case 1:
329 qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
330 if (card->ssqd.qdioac2 & QETH_SNIFF_AVAIL) {
331 card->options.sniffer = i;
332 if (card->qdio.init_pool.buf_count !=
333 QETH_IN_BUF_COUNT_MAX)
334 qeth_realloc_buffer_pool(card,
335 QETH_IN_BUF_COUNT_MAX);
336 break;
337 } else
338 rc = -EPERM;
339 default: /* fall through */
340 rc = -EINVAL;
341 }
342out:
343 mutex_unlock(&card->conf_mutex);
344 return rc ? rc : count;
345}
346
347static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
348 qeth_l3_dev_sniffer_store);
349
350static struct attribute *qeth_l3_device_attrs[] = {
351 &dev_attr_route4.attr,
352 &dev_attr_route6.attr,
353 &dev_attr_fake_broadcast.attr,
354 &dev_attr_broadcast_mode.attr,
355 &dev_attr_canonical_macaddr.attr,
356 &dev_attr_sniffer.attr,
357 NULL,
358};
359
360static struct attribute_group qeth_l3_device_attr_group = {
361 .attrs = qeth_l3_device_attrs,
362};
363
364static ssize_t qeth_l3_dev_ipato_enable_show(struct device *dev,
365 struct device_attribute *attr, char *buf)
366{
367 struct qeth_card *card = dev_get_drvdata(dev);
368
369 if (!card)
370 return -EINVAL;
371
372 return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
373}
374
375static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
376 struct device_attribute *attr, const char *buf, size_t count)
377{
378 struct qeth_card *card = dev_get_drvdata(dev);
379 struct qeth_ipaddr *tmpipa, *t;
380 char *tmp;
381 int rc = 0;
382
383 if (!card)
384 return -EINVAL;
385
386 mutex_lock(&card->conf_mutex);
387 if ((card->state != CARD_STATE_DOWN) &&
388 (card->state != CARD_STATE_RECOVER)) {
389 rc = -EPERM;
390 goto out;
391 }
392
393 tmp = strsep((char **) &buf, "\n");
394 if (!strcmp(tmp, "toggle")) {
395 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
396 } else if (!strcmp(tmp, "1")) {
397 card->ipato.enabled = 1;
398 list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
399 if ((tmpipa->type == QETH_IP_TYPE_NORMAL) &&
400 qeth_l3_is_addr_covered_by_ipato(card, tmpipa))
401 tmpipa->set_flags |=
402 QETH_IPA_SETIP_TAKEOVER_FLAG;
403 }
404
405 } else if (!strcmp(tmp, "0")) {
406 card->ipato.enabled = 0;
407 list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
408 if (tmpipa->set_flags &
409 QETH_IPA_SETIP_TAKEOVER_FLAG)
410 tmpipa->set_flags &=
411 ~QETH_IPA_SETIP_TAKEOVER_FLAG;
412 }
413 } else
414 rc = -EINVAL;
415out:
416 mutex_unlock(&card->conf_mutex);
417 return rc ? rc : count;
418}
419
420static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
421 qeth_l3_dev_ipato_enable_show,
422 qeth_l3_dev_ipato_enable_store);
423
424static ssize_t qeth_l3_dev_ipato_invert4_show(struct device *dev,
425 struct device_attribute *attr, char *buf)
426{
427 struct qeth_card *card = dev_get_drvdata(dev);
428
429 if (!card)
430 return -EINVAL;
431
432 return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
433}
434
435static ssize_t qeth_l3_dev_ipato_invert4_store(struct device *dev,
436 struct device_attribute *attr,
437 const char *buf, size_t count)
438{
439 struct qeth_card *card = dev_get_drvdata(dev);
440 char *tmp;
441 int rc = 0;
442
443 if (!card)
444 return -EINVAL;
445
446 mutex_lock(&card->conf_mutex);
447 tmp = strsep((char **) &buf, "\n");
448 if (!strcmp(tmp, "toggle")) {
449 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
450 } else if (!strcmp(tmp, "1")) {
451 card->ipato.invert4 = 1;
452 } else if (!strcmp(tmp, "0")) {
453 card->ipato.invert4 = 0;
454 } else
455 rc = -EINVAL;
456 mutex_unlock(&card->conf_mutex);
457 return rc ? rc : count;
458}
459
460static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
461 qeth_l3_dev_ipato_invert4_show,
462 qeth_l3_dev_ipato_invert4_store);
463
464static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
465 enum qeth_prot_versions proto)
466{
467 struct qeth_ipato_entry *ipatoe;
468 unsigned long flags;
469 char addr_str[40];
470 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
471 int i = 0;
472
473 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
474 /* add strlen for "/<mask>\n" */
475 entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
476 spin_lock_irqsave(&card->ip_lock, flags);
477 list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
478 if (ipatoe->proto != proto)
479 continue;
480 /* String must not be longer than PAGE_SIZE. So we check if
481 * string length gets near PAGE_SIZE. Then we can savely display
482 * the next IPv6 address (worst case, compared to IPv4) */
483 if ((PAGE_SIZE - i) <= entry_len)
484 break;
485 qeth_l3_ipaddr_to_string(proto, ipatoe->addr, addr_str);
486 i += snprintf(buf + i, PAGE_SIZE - i,
487 "%s/%i\n", addr_str, ipatoe->mask_bits);
488 }
489 spin_unlock_irqrestore(&card->ip_lock, flags);
490 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
491
492 return i;
493}
494
495static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev,
496 struct device_attribute *attr, char *buf)
497{
498 struct qeth_card *card = dev_get_drvdata(dev);
499
500 if (!card)
501 return -EINVAL;
502
503 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
504}
505
506static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto,
507 u8 *addr, int *mask_bits)
508{
509 const char *start, *end;
510 char *tmp;
511 char buffer[40] = {0, };
512
513 start = buf;
514 /* get address string */
515 end = strchr(start, '/');
516 if (!end || (end - start >= 40)) {
517 return -EINVAL;
518 }
519 strncpy(buffer, start, end - start);
520 if (qeth_l3_string_to_ipaddr(buffer, proto, addr)) {
521 return -EINVAL;
522 }
523 start = end + 1;
524 *mask_bits = simple_strtoul(start, &tmp, 10);
525 if (!strlen(start) ||
526 (tmp == start) ||
527 (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) {
528 return -EINVAL;
529 }
530 return 0;
531}
532
533static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count,
534 struct qeth_card *card, enum qeth_prot_versions proto)
535{
536 struct qeth_ipato_entry *ipatoe;
537 u8 addr[16];
538 int mask_bits;
539 int rc = 0;
540
541 mutex_lock(&card->conf_mutex);
542 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
543 if (rc)
544 goto out;
545
546 ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
547 if (!ipatoe) {
548 rc = -ENOMEM;
549 goto out;
550 }
551 ipatoe->proto = proto;
552 memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
553 ipatoe->mask_bits = mask_bits;
554
555 rc = qeth_l3_add_ipato_entry(card, ipatoe);
556 if (rc)
557 kfree(ipatoe);
558out:
559 mutex_unlock(&card->conf_mutex);
560 return rc ? rc : count;
561}
562
563static ssize_t qeth_l3_dev_ipato_add4_store(struct device *dev,
564 struct device_attribute *attr, const char *buf, size_t count)
565{
566 struct qeth_card *card = dev_get_drvdata(dev);
567
568 if (!card)
569 return -EINVAL;
570
571 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
572}
573
574static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
575 qeth_l3_dev_ipato_add4_show,
576 qeth_l3_dev_ipato_add4_store);
577
578static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
579 struct qeth_card *card, enum qeth_prot_versions proto)
580{
581 u8 addr[16];
582 int mask_bits;
583 int rc = 0;
584
585 mutex_lock(&card->conf_mutex);
586 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
587 if (!rc)
588 qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
589 mutex_unlock(&card->conf_mutex);
590 return rc ? rc : count;
591}
592
593static ssize_t qeth_l3_dev_ipato_del4_store(struct device *dev,
594 struct device_attribute *attr, const char *buf, size_t count)
595{
596 struct qeth_card *card = dev_get_drvdata(dev);
597
598 if (!card)
599 return -EINVAL;
600
601 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
602}
603
604static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
605 qeth_l3_dev_ipato_del4_store);
606
607static ssize_t qeth_l3_dev_ipato_invert6_show(struct device *dev,
608 struct device_attribute *attr, char *buf)
609{
610 struct qeth_card *card = dev_get_drvdata(dev);
611
612 if (!card)
613 return -EINVAL;
614
615 return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
616}
617
618static ssize_t qeth_l3_dev_ipato_invert6_store(struct device *dev,
619 struct device_attribute *attr, const char *buf, size_t count)
620{
621 struct qeth_card *card = dev_get_drvdata(dev);
622 char *tmp;
623 int rc = 0;
624
625 if (!card)
626 return -EINVAL;
627
628 mutex_lock(&card->conf_mutex);
629 tmp = strsep((char **) &buf, "\n");
630 if (!strcmp(tmp, "toggle")) {
631 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
632 } else if (!strcmp(tmp, "1")) {
633 card->ipato.invert6 = 1;
634 } else if (!strcmp(tmp, "0")) {
635 card->ipato.invert6 = 0;
636 } else
637 rc = -EINVAL;
638 mutex_unlock(&card->conf_mutex);
639 return rc ? rc : count;
640}
641
642static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
643 qeth_l3_dev_ipato_invert6_show,
644 qeth_l3_dev_ipato_invert6_store);
645
646
647static ssize_t qeth_l3_dev_ipato_add6_show(struct device *dev,
648 struct device_attribute *attr, char *buf)
649{
650 struct qeth_card *card = dev_get_drvdata(dev);
651
652 if (!card)
653 return -EINVAL;
654
655 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
656}
657
658static ssize_t qeth_l3_dev_ipato_add6_store(struct device *dev,
659 struct device_attribute *attr, const char *buf, size_t count)
660{
661 struct qeth_card *card = dev_get_drvdata(dev);
662
663 if (!card)
664 return -EINVAL;
665
666 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
667}
668
669static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
670 qeth_l3_dev_ipato_add6_show,
671 qeth_l3_dev_ipato_add6_store);
672
673static ssize_t qeth_l3_dev_ipato_del6_store(struct device *dev,
674 struct device_attribute *attr, const char *buf, size_t count)
675{
676 struct qeth_card *card = dev_get_drvdata(dev);
677
678 if (!card)
679 return -EINVAL;
680
681 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
682}
683
684static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
685 qeth_l3_dev_ipato_del6_store);
686
687static struct attribute *qeth_ipato_device_attrs[] = {
688 &dev_attr_ipato_enable.attr,
689 &dev_attr_ipato_invert4.attr,
690 &dev_attr_ipato_add4.attr,
691 &dev_attr_ipato_del4.attr,
692 &dev_attr_ipato_invert6.attr,
693 &dev_attr_ipato_add6.attr,
694 &dev_attr_ipato_del6.attr,
695 NULL,
696};
697
698static struct attribute_group qeth_device_ipato_group = {
699 .name = "ipa_takeover",
700 .attrs = qeth_ipato_device_attrs,
701};
702
703static ssize_t qeth_l3_dev_vipa_add_show(char *buf, struct qeth_card *card,
704 enum qeth_prot_versions proto)
705{
706 struct qeth_ipaddr *ipaddr;
707 char addr_str[40];
708 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
709 unsigned long flags;
710 int i = 0;
711
712 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
713 entry_len += 2; /* \n + terminator */
714 spin_lock_irqsave(&card->ip_lock, flags);
715 list_for_each_entry(ipaddr, &card->ip_list, entry) {
716 if (ipaddr->proto != proto)
717 continue;
718 if (ipaddr->type != QETH_IP_TYPE_VIPA)
719 continue;
720 /* String must not be longer than PAGE_SIZE. So we check if
721 * string length gets near PAGE_SIZE. Then we can savely display
722 * the next IPv6 address (worst case, compared to IPv4) */
723 if ((PAGE_SIZE - i) <= entry_len)
724 break;
725 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
726 addr_str);
727 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
728 }
729 spin_unlock_irqrestore(&card->ip_lock, flags);
730 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
731
732 return i;
733}
734
735static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
736 struct device_attribute *attr, char *buf)
737{
738 struct qeth_card *card = dev_get_drvdata(dev);
739
740 if (!card)
741 return -EINVAL;
742
743 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
744}
745
746static int qeth_l3_parse_vipae(const char *buf, enum qeth_prot_versions proto,
747 u8 *addr)
748{
749 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
750 return -EINVAL;
751 }
752 return 0;
753}
754
755static ssize_t qeth_l3_dev_vipa_add_store(const char *buf, size_t count,
756 struct qeth_card *card, enum qeth_prot_versions proto)
757{
758 u8 addr[16] = {0, };
759 int rc;
760
761 mutex_lock(&card->conf_mutex);
762 rc = qeth_l3_parse_vipae(buf, proto, addr);
763 if (!rc)
764 rc = qeth_l3_add_vipa(card, proto, addr);
765 mutex_unlock(&card->conf_mutex);
766 return rc ? rc : count;
767}
768
769static ssize_t qeth_l3_dev_vipa_add4_store(struct device *dev,
770 struct device_attribute *attr, const char *buf, size_t count)
771{
772 struct qeth_card *card = dev_get_drvdata(dev);
773
774 if (!card)
775 return -EINVAL;
776
777 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
778}
779
780static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
781 qeth_l3_dev_vipa_add4_show,
782 qeth_l3_dev_vipa_add4_store);
783
784static ssize_t qeth_l3_dev_vipa_del_store(const char *buf, size_t count,
785 struct qeth_card *card, enum qeth_prot_versions proto)
786{
787 u8 addr[16];
788 int rc;
789
790 mutex_lock(&card->conf_mutex);
791 rc = qeth_l3_parse_vipae(buf, proto, addr);
792 if (!rc)
793 qeth_l3_del_vipa(card, proto, addr);
794 mutex_unlock(&card->conf_mutex);
795 return rc ? rc : count;
796}
797
798static ssize_t qeth_l3_dev_vipa_del4_store(struct device *dev,
799 struct device_attribute *attr, const char *buf, size_t count)
800{
801 struct qeth_card *card = dev_get_drvdata(dev);
802
803 if (!card)
804 return -EINVAL;
805
806 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
807}
808
809static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
810 qeth_l3_dev_vipa_del4_store);
811
812static ssize_t qeth_l3_dev_vipa_add6_show(struct device *dev,
813 struct device_attribute *attr, char *buf)
814{
815 struct qeth_card *card = dev_get_drvdata(dev);
816
817 if (!card)
818 return -EINVAL;
819
820 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
821}
822
823static ssize_t qeth_l3_dev_vipa_add6_store(struct device *dev,
824 struct device_attribute *attr, const char *buf, size_t count)
825{
826 struct qeth_card *card = dev_get_drvdata(dev);
827
828 if (!card)
829 return -EINVAL;
830
831 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
832}
833
834static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
835 qeth_l3_dev_vipa_add6_show,
836 qeth_l3_dev_vipa_add6_store);
837
838static ssize_t qeth_l3_dev_vipa_del6_store(struct device *dev,
839 struct device_attribute *attr, const char *buf, size_t count)
840{
841 struct qeth_card *card = dev_get_drvdata(dev);
842
843 if (!card)
844 return -EINVAL;
845
846 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
847}
848
849static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
850 qeth_l3_dev_vipa_del6_store);
851
852static struct attribute *qeth_vipa_device_attrs[] = {
853 &dev_attr_vipa_add4.attr,
854 &dev_attr_vipa_del4.attr,
855 &dev_attr_vipa_add6.attr,
856 &dev_attr_vipa_del6.attr,
857 NULL,
858};
859
860static struct attribute_group qeth_device_vipa_group = {
861 .name = "vipa",
862 .attrs = qeth_vipa_device_attrs,
863};
864
865static ssize_t qeth_l3_dev_rxip_add_show(char *buf, struct qeth_card *card,
866 enum qeth_prot_versions proto)
867{
868 struct qeth_ipaddr *ipaddr;
869 char addr_str[40];
870 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
871 unsigned long flags;
872 int i = 0;
873
874 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
875 entry_len += 2; /* \n + terminator */
876 spin_lock_irqsave(&card->ip_lock, flags);
877 list_for_each_entry(ipaddr, &card->ip_list, entry) {
878 if (ipaddr->proto != proto)
879 continue;
880 if (ipaddr->type != QETH_IP_TYPE_RXIP)
881 continue;
882 /* String must not be longer than PAGE_SIZE. So we check if
883 * string length gets near PAGE_SIZE. Then we can savely display
884 * the next IPv6 address (worst case, compared to IPv4) */
885 if ((PAGE_SIZE - i) <= entry_len)
886 break;
887 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
888 addr_str);
889 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
890 }
891 spin_unlock_irqrestore(&card->ip_lock, flags);
892 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
893
894 return i;
895}
896
897static ssize_t qeth_l3_dev_rxip_add4_show(struct device *dev,
898 struct device_attribute *attr, char *buf)
899{
900 struct qeth_card *card = dev_get_drvdata(dev);
901
902 if (!card)
903 return -EINVAL;
904
905 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
906}
907
908static int qeth_l3_parse_rxipe(const char *buf, enum qeth_prot_versions proto,
909 u8 *addr)
910{
911 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
912 return -EINVAL;
913 }
914 return 0;
915}
916
917static ssize_t qeth_l3_dev_rxip_add_store(const char *buf, size_t count,
918 struct qeth_card *card, enum qeth_prot_versions proto)
919{
920 u8 addr[16] = {0, };
921 int rc;
922
923 mutex_lock(&card->conf_mutex);
924 rc = qeth_l3_parse_rxipe(buf, proto, addr);
925 if (!rc)
926 rc = qeth_l3_add_rxip(card, proto, addr);
927 mutex_unlock(&card->conf_mutex);
928 return rc ? rc : count;
929}
930
931static ssize_t qeth_l3_dev_rxip_add4_store(struct device *dev,
932 struct device_attribute *attr, const char *buf, size_t count)
933{
934 struct qeth_card *card = dev_get_drvdata(dev);
935
936 if (!card)
937 return -EINVAL;
938
939 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
940}
941
942static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
943 qeth_l3_dev_rxip_add4_show,
944 qeth_l3_dev_rxip_add4_store);
945
946static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
947 struct qeth_card *card, enum qeth_prot_versions proto)
948{
949 u8 addr[16];
950 int rc;
951
952 mutex_lock(&card->conf_mutex);
953 rc = qeth_l3_parse_rxipe(buf, proto, addr);
954 if (!rc)
955 qeth_l3_del_rxip(card, proto, addr);
956 mutex_unlock(&card->conf_mutex);
957 return rc ? rc : count;
958}
959
960static ssize_t qeth_l3_dev_rxip_del4_store(struct device *dev,
961 struct device_attribute *attr, const char *buf, size_t count)
962{
963 struct qeth_card *card = dev_get_drvdata(dev);
964
965 if (!card)
966 return -EINVAL;
967
968 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
969}
970
971static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
972 qeth_l3_dev_rxip_del4_store);
973
974static ssize_t qeth_l3_dev_rxip_add6_show(struct device *dev,
975 struct device_attribute *attr, char *buf)
976{
977 struct qeth_card *card = dev_get_drvdata(dev);
978
979 if (!card)
980 return -EINVAL;
981
982 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
983}
984
985static ssize_t qeth_l3_dev_rxip_add6_store(struct device *dev,
986 struct device_attribute *attr, const char *buf, size_t count)
987{
988 struct qeth_card *card = dev_get_drvdata(dev);
989
990 if (!card)
991 return -EINVAL;
992
993 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
994}
995
996static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
997 qeth_l3_dev_rxip_add6_show,
998 qeth_l3_dev_rxip_add6_store);
999
1000static ssize_t qeth_l3_dev_rxip_del6_store(struct device *dev,
1001 struct device_attribute *attr, const char *buf, size_t count)
1002{
1003 struct qeth_card *card = dev_get_drvdata(dev);
1004
1005 if (!card)
1006 return -EINVAL;
1007
1008 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
1009}
1010
1011static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
1012 qeth_l3_dev_rxip_del6_store);
1013
1014static struct attribute *qeth_rxip_device_attrs[] = {
1015 &dev_attr_rxip_add4.attr,
1016 &dev_attr_rxip_del4.attr,
1017 &dev_attr_rxip_add6.attr,
1018 &dev_attr_rxip_del6.attr,
1019 NULL,
1020};
1021
1022static struct attribute_group qeth_device_rxip_group = {
1023 .name = "rxip",
1024 .attrs = qeth_rxip_device_attrs,
1025};
1026
1027int qeth_l3_create_device_attributes(struct device *dev)
1028{
1029 int ret;
1030
1031 ret = sysfs_create_group(&dev->kobj, &qeth_l3_device_attr_group);
1032 if (ret)
1033 return ret;
1034
1035 ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group);
1036 if (ret) {
1037 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1038 return ret;
1039 }
1040
1041 ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group);
1042 if (ret) {
1043 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1044 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1045 return ret;
1046 }
1047
1048 ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group);
1049 if (ret) {
1050 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1051 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1052 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1053 return ret;
1054 }
1055 return 0;
1056}
1057
1058void qeth_l3_remove_device_attributes(struct device *dev)
1059{
1060 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1061 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1062 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1063 sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
1064}
1/*
2 * Copyright IBM Corp. 2007
3 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
4 * Frank Pavlic <fpavlic@de.ibm.com>,
5 * Thomas Spatzier <tspat@de.ibm.com>,
6 * Frank Blaschka <frank.blaschka@de.ibm.com>
7 */
8
9#include <linux/slab.h>
10#include <asm/ebcdic.h>
11#include "qeth_l3.h"
12
13#define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \
14struct device_attribute dev_attr_##_id = __ATTR(_name, _mode, _show, _store)
15
16static ssize_t qeth_l3_dev_route_show(struct qeth_card *card,
17 struct qeth_routing_info *route, char *buf)
18{
19 switch (route->type) {
20 case PRIMARY_ROUTER:
21 return sprintf(buf, "%s\n", "primary router");
22 case SECONDARY_ROUTER:
23 return sprintf(buf, "%s\n", "secondary router");
24 case MULTICAST_ROUTER:
25 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
26 return sprintf(buf, "%s\n", "multicast router+");
27 else
28 return sprintf(buf, "%s\n", "multicast router");
29 case PRIMARY_CONNECTOR:
30 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
31 return sprintf(buf, "%s\n", "primary connector+");
32 else
33 return sprintf(buf, "%s\n", "primary connector");
34 case SECONDARY_CONNECTOR:
35 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
36 return sprintf(buf, "%s\n", "secondary connector+");
37 else
38 return sprintf(buf, "%s\n", "secondary connector");
39 default:
40 return sprintf(buf, "%s\n", "no");
41 }
42}
43
44static ssize_t qeth_l3_dev_route4_show(struct device *dev,
45 struct device_attribute *attr, char *buf)
46{
47 struct qeth_card *card = dev_get_drvdata(dev);
48
49 if (!card)
50 return -EINVAL;
51
52 return qeth_l3_dev_route_show(card, &card->options.route4, buf);
53}
54
55static ssize_t qeth_l3_dev_route_store(struct qeth_card *card,
56 struct qeth_routing_info *route, enum qeth_prot_versions prot,
57 const char *buf, size_t count)
58{
59 enum qeth_routing_types old_route_type = route->type;
60 char *tmp;
61 int rc = 0;
62
63 tmp = strsep((char **) &buf, "\n");
64 mutex_lock(&card->conf_mutex);
65 if (!strcmp(tmp, "no_router")) {
66 route->type = NO_ROUTER;
67 } else if (!strcmp(tmp, "primary_connector")) {
68 route->type = PRIMARY_CONNECTOR;
69 } else if (!strcmp(tmp, "secondary_connector")) {
70 route->type = SECONDARY_CONNECTOR;
71 } else if (!strcmp(tmp, "primary_router")) {
72 route->type = PRIMARY_ROUTER;
73 } else if (!strcmp(tmp, "secondary_router")) {
74 route->type = SECONDARY_ROUTER;
75 } else if (!strcmp(tmp, "multicast_router")) {
76 route->type = MULTICAST_ROUTER;
77 } else {
78 rc = -EINVAL;
79 goto out;
80 }
81 if (((card->state == CARD_STATE_SOFTSETUP) ||
82 (card->state == CARD_STATE_UP)) &&
83 (old_route_type != route->type)) {
84 if (prot == QETH_PROT_IPV4)
85 rc = qeth_l3_setrouting_v4(card);
86 else if (prot == QETH_PROT_IPV6)
87 rc = qeth_l3_setrouting_v6(card);
88 }
89out:
90 if (rc)
91 route->type = old_route_type;
92 mutex_unlock(&card->conf_mutex);
93 return rc ? rc : count;
94}
95
96static ssize_t qeth_l3_dev_route4_store(struct device *dev,
97 struct device_attribute *attr, const char *buf, size_t count)
98{
99 struct qeth_card *card = dev_get_drvdata(dev);
100
101 if (!card)
102 return -EINVAL;
103
104 return qeth_l3_dev_route_store(card, &card->options.route4,
105 QETH_PROT_IPV4, buf, count);
106}
107
108static DEVICE_ATTR(route4, 0644, qeth_l3_dev_route4_show,
109 qeth_l3_dev_route4_store);
110
111static ssize_t qeth_l3_dev_route6_show(struct device *dev,
112 struct device_attribute *attr, char *buf)
113{
114 struct qeth_card *card = dev_get_drvdata(dev);
115
116 if (!card)
117 return -EINVAL;
118
119 return qeth_l3_dev_route_show(card, &card->options.route6, buf);
120}
121
122static ssize_t qeth_l3_dev_route6_store(struct device *dev,
123 struct device_attribute *attr, const char *buf, size_t count)
124{
125 struct qeth_card *card = dev_get_drvdata(dev);
126
127 if (!card)
128 return -EINVAL;
129
130 return qeth_l3_dev_route_store(card, &card->options.route6,
131 QETH_PROT_IPV6, buf, count);
132}
133
134static DEVICE_ATTR(route6, 0644, qeth_l3_dev_route6_show,
135 qeth_l3_dev_route6_store);
136
137static ssize_t qeth_l3_dev_fake_broadcast_show(struct device *dev,
138 struct device_attribute *attr, char *buf)
139{
140 struct qeth_card *card = dev_get_drvdata(dev);
141
142 if (!card)
143 return -EINVAL;
144
145 return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
146}
147
148static ssize_t qeth_l3_dev_fake_broadcast_store(struct device *dev,
149 struct device_attribute *attr, const char *buf, size_t count)
150{
151 struct qeth_card *card = dev_get_drvdata(dev);
152 char *tmp;
153 int i, rc = 0;
154
155 if (!card)
156 return -EINVAL;
157
158 mutex_lock(&card->conf_mutex);
159 if ((card->state != CARD_STATE_DOWN) &&
160 (card->state != CARD_STATE_RECOVER)) {
161 rc = -EPERM;
162 goto out;
163 }
164
165 i = simple_strtoul(buf, &tmp, 16);
166 if ((i == 0) || (i == 1))
167 card->options.fake_broadcast = i;
168 else
169 rc = -EINVAL;
170out:
171 mutex_unlock(&card->conf_mutex);
172 return rc ? rc : count;
173}
174
175static DEVICE_ATTR(fake_broadcast, 0644, qeth_l3_dev_fake_broadcast_show,
176 qeth_l3_dev_fake_broadcast_store);
177
178static ssize_t qeth_l3_dev_sniffer_show(struct device *dev,
179 struct device_attribute *attr, char *buf)
180{
181 struct qeth_card *card = dev_get_drvdata(dev);
182
183 if (!card)
184 return -EINVAL;
185
186 return sprintf(buf, "%i\n", card->options.sniffer ? 1 : 0);
187}
188
189static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
190 struct device_attribute *attr, const char *buf, size_t count)
191{
192 struct qeth_card *card = dev_get_drvdata(dev);
193 int rc = 0;
194 unsigned long i;
195
196 if (!card)
197 return -EINVAL;
198
199 if (card->info.type != QETH_CARD_TYPE_IQD)
200 return -EPERM;
201 if (card->options.cq == QETH_CQ_ENABLED)
202 return -EPERM;
203
204 mutex_lock(&card->conf_mutex);
205 if ((card->state != CARD_STATE_DOWN) &&
206 (card->state != CARD_STATE_RECOVER)) {
207 rc = -EPERM;
208 goto out;
209 }
210
211 rc = kstrtoul(buf, 16, &i);
212 if (rc) {
213 rc = -EINVAL;
214 goto out;
215 }
216 switch (i) {
217 case 0:
218 card->options.sniffer = i;
219 break;
220 case 1:
221 qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
222 if (card->ssqd.qdioac2 & QETH_SNIFF_AVAIL) {
223 card->options.sniffer = i;
224 if (card->qdio.init_pool.buf_count !=
225 QETH_IN_BUF_COUNT_MAX)
226 qeth_realloc_buffer_pool(card,
227 QETH_IN_BUF_COUNT_MAX);
228 } else
229 rc = -EPERM;
230 break;
231 default:
232 rc = -EINVAL;
233 }
234out:
235 mutex_unlock(&card->conf_mutex);
236 return rc ? rc : count;
237}
238
239static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
240 qeth_l3_dev_sniffer_store);
241
242
243static ssize_t qeth_l3_dev_hsuid_show(struct device *dev,
244 struct device_attribute *attr, char *buf)
245{
246 struct qeth_card *card = dev_get_drvdata(dev);
247 char tmp_hsuid[9];
248
249 if (!card)
250 return -EINVAL;
251
252 if (card->info.type != QETH_CARD_TYPE_IQD)
253 return -EPERM;
254
255 if (card->state == CARD_STATE_DOWN)
256 return -EPERM;
257
258 memcpy(tmp_hsuid, card->options.hsuid, sizeof(tmp_hsuid));
259 EBCASC(tmp_hsuid, 8);
260 return sprintf(buf, "%s\n", tmp_hsuid);
261}
262
263static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
264 struct device_attribute *attr, const char *buf, size_t count)
265{
266 struct qeth_card *card = dev_get_drvdata(dev);
267 struct qeth_ipaddr *addr;
268 char *tmp;
269 int i;
270
271 if (!card)
272 return -EINVAL;
273
274 if (card->info.type != QETH_CARD_TYPE_IQD)
275 return -EPERM;
276 if (card->state != CARD_STATE_DOWN &&
277 card->state != CARD_STATE_RECOVER)
278 return -EPERM;
279 if (card->options.sniffer)
280 return -EPERM;
281 if (card->options.cq == QETH_CQ_NOTAVAILABLE)
282 return -EPERM;
283
284 tmp = strsep((char **)&buf, "\n");
285 if (strlen(tmp) > 8)
286 return -EINVAL;
287
288 if (card->options.hsuid[0]) {
289 /* delete old ip address */
290 addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
291 if (addr != NULL) {
292 addr->u.a6.addr.s6_addr32[0] = 0xfe800000;
293 addr->u.a6.addr.s6_addr32[1] = 0x00000000;
294 for (i = 8; i < 16; i++)
295 addr->u.a6.addr.s6_addr[i] =
296 card->options.hsuid[i - 8];
297 addr->u.a6.pfxlen = 0;
298 addr->type = QETH_IP_TYPE_NORMAL;
299 } else
300 return -ENOMEM;
301 if (!qeth_l3_delete_ip(card, addr))
302 kfree(addr);
303 qeth_l3_set_ip_addr_list(card);
304 }
305
306 if (strlen(tmp) == 0) {
307 /* delete ip address only */
308 card->options.hsuid[0] = '\0';
309 if (card->dev)
310 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
311 qeth_configure_cq(card, QETH_CQ_DISABLED);
312 return count;
313 }
314
315 if (qeth_configure_cq(card, QETH_CQ_ENABLED))
316 return -EPERM;
317
318 snprintf(card->options.hsuid, sizeof(card->options.hsuid),
319 "%-8s", tmp);
320 ASCEBC(card->options.hsuid, 8);
321 if (card->dev)
322 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
323
324 addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
325 if (addr != NULL) {
326 addr->u.a6.addr.s6_addr32[0] = 0xfe800000;
327 addr->u.a6.addr.s6_addr32[1] = 0x00000000;
328 for (i = 8; i < 16; i++)
329 addr->u.a6.addr.s6_addr[i] = card->options.hsuid[i - 8];
330 addr->u.a6.pfxlen = 0;
331 addr->type = QETH_IP_TYPE_NORMAL;
332 } else
333 return -ENOMEM;
334 if (!qeth_l3_add_ip(card, addr))
335 kfree(addr);
336 qeth_l3_set_ip_addr_list(card);
337
338 return count;
339}
340
341static DEVICE_ATTR(hsuid, 0644, qeth_l3_dev_hsuid_show,
342 qeth_l3_dev_hsuid_store);
343
344
345static struct attribute *qeth_l3_device_attrs[] = {
346 &dev_attr_route4.attr,
347 &dev_attr_route6.attr,
348 &dev_attr_fake_broadcast.attr,
349 &dev_attr_sniffer.attr,
350 &dev_attr_hsuid.attr,
351 NULL,
352};
353
354static struct attribute_group qeth_l3_device_attr_group = {
355 .attrs = qeth_l3_device_attrs,
356};
357
358static ssize_t qeth_l3_dev_ipato_enable_show(struct device *dev,
359 struct device_attribute *attr, char *buf)
360{
361 struct qeth_card *card = dev_get_drvdata(dev);
362
363 if (!card)
364 return -EINVAL;
365
366 return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
367}
368
369static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
370 struct device_attribute *attr, const char *buf, size_t count)
371{
372 struct qeth_card *card = dev_get_drvdata(dev);
373 struct qeth_ipaddr *tmpipa, *t;
374 char *tmp;
375 int rc = 0;
376
377 if (!card)
378 return -EINVAL;
379
380 mutex_lock(&card->conf_mutex);
381 if ((card->state != CARD_STATE_DOWN) &&
382 (card->state != CARD_STATE_RECOVER)) {
383 rc = -EPERM;
384 goto out;
385 }
386
387 tmp = strsep((char **) &buf, "\n");
388 if (!strcmp(tmp, "toggle")) {
389 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
390 } else if (!strcmp(tmp, "1")) {
391 card->ipato.enabled = 1;
392 list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
393 if ((tmpipa->type == QETH_IP_TYPE_NORMAL) &&
394 qeth_l3_is_addr_covered_by_ipato(card, tmpipa))
395 tmpipa->set_flags |=
396 QETH_IPA_SETIP_TAKEOVER_FLAG;
397 }
398
399 } else if (!strcmp(tmp, "0")) {
400 card->ipato.enabled = 0;
401 list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
402 if (tmpipa->set_flags &
403 QETH_IPA_SETIP_TAKEOVER_FLAG)
404 tmpipa->set_flags &=
405 ~QETH_IPA_SETIP_TAKEOVER_FLAG;
406 }
407 } else
408 rc = -EINVAL;
409out:
410 mutex_unlock(&card->conf_mutex);
411 return rc ? rc : count;
412}
413
414static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
415 qeth_l3_dev_ipato_enable_show,
416 qeth_l3_dev_ipato_enable_store);
417
418static ssize_t qeth_l3_dev_ipato_invert4_show(struct device *dev,
419 struct device_attribute *attr, char *buf)
420{
421 struct qeth_card *card = dev_get_drvdata(dev);
422
423 if (!card)
424 return -EINVAL;
425
426 return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
427}
428
429static ssize_t qeth_l3_dev_ipato_invert4_store(struct device *dev,
430 struct device_attribute *attr,
431 const char *buf, size_t count)
432{
433 struct qeth_card *card = dev_get_drvdata(dev);
434 char *tmp;
435 int rc = 0;
436
437 if (!card)
438 return -EINVAL;
439
440 mutex_lock(&card->conf_mutex);
441 tmp = strsep((char **) &buf, "\n");
442 if (!strcmp(tmp, "toggle")) {
443 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
444 } else if (!strcmp(tmp, "1")) {
445 card->ipato.invert4 = 1;
446 } else if (!strcmp(tmp, "0")) {
447 card->ipato.invert4 = 0;
448 } else
449 rc = -EINVAL;
450 mutex_unlock(&card->conf_mutex);
451 return rc ? rc : count;
452}
453
454static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
455 qeth_l3_dev_ipato_invert4_show,
456 qeth_l3_dev_ipato_invert4_store);
457
458static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
459 enum qeth_prot_versions proto)
460{
461 struct qeth_ipato_entry *ipatoe;
462 unsigned long flags;
463 char addr_str[40];
464 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
465 int i = 0;
466
467 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
468 /* add strlen for "/<mask>\n" */
469 entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
470 spin_lock_irqsave(&card->ip_lock, flags);
471 list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
472 if (ipatoe->proto != proto)
473 continue;
474 /* String must not be longer than PAGE_SIZE. So we check if
475 * string length gets near PAGE_SIZE. Then we can savely display
476 * the next IPv6 address (worst case, compared to IPv4) */
477 if ((PAGE_SIZE - i) <= entry_len)
478 break;
479 qeth_l3_ipaddr_to_string(proto, ipatoe->addr, addr_str);
480 i += snprintf(buf + i, PAGE_SIZE - i,
481 "%s/%i\n", addr_str, ipatoe->mask_bits);
482 }
483 spin_unlock_irqrestore(&card->ip_lock, flags);
484 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
485
486 return i;
487}
488
489static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev,
490 struct device_attribute *attr, char *buf)
491{
492 struct qeth_card *card = dev_get_drvdata(dev);
493
494 if (!card)
495 return -EINVAL;
496
497 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
498}
499
500static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto,
501 u8 *addr, int *mask_bits)
502{
503 const char *start, *end;
504 char *tmp;
505 char buffer[40] = {0, };
506
507 start = buf;
508 /* get address string */
509 end = strchr(start, '/');
510 if (!end || (end - start >= 40)) {
511 return -EINVAL;
512 }
513 strncpy(buffer, start, end - start);
514 if (qeth_l3_string_to_ipaddr(buffer, proto, addr)) {
515 return -EINVAL;
516 }
517 start = end + 1;
518 *mask_bits = simple_strtoul(start, &tmp, 10);
519 if (!strlen(start) ||
520 (tmp == start) ||
521 (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) {
522 return -EINVAL;
523 }
524 return 0;
525}
526
527static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count,
528 struct qeth_card *card, enum qeth_prot_versions proto)
529{
530 struct qeth_ipato_entry *ipatoe;
531 u8 addr[16];
532 int mask_bits;
533 int rc = 0;
534
535 mutex_lock(&card->conf_mutex);
536 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
537 if (rc)
538 goto out;
539
540 ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
541 if (!ipatoe) {
542 rc = -ENOMEM;
543 goto out;
544 }
545 ipatoe->proto = proto;
546 memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
547 ipatoe->mask_bits = mask_bits;
548
549 rc = qeth_l3_add_ipato_entry(card, ipatoe);
550 if (rc)
551 kfree(ipatoe);
552out:
553 mutex_unlock(&card->conf_mutex);
554 return rc ? rc : count;
555}
556
557static ssize_t qeth_l3_dev_ipato_add4_store(struct device *dev,
558 struct device_attribute *attr, const char *buf, size_t count)
559{
560 struct qeth_card *card = dev_get_drvdata(dev);
561
562 if (!card)
563 return -EINVAL;
564
565 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
566}
567
568static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
569 qeth_l3_dev_ipato_add4_show,
570 qeth_l3_dev_ipato_add4_store);
571
572static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
573 struct qeth_card *card, enum qeth_prot_versions proto)
574{
575 u8 addr[16];
576 int mask_bits;
577 int rc = 0;
578
579 mutex_lock(&card->conf_mutex);
580 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
581 if (!rc)
582 qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
583 mutex_unlock(&card->conf_mutex);
584 return rc ? rc : count;
585}
586
587static ssize_t qeth_l3_dev_ipato_del4_store(struct device *dev,
588 struct device_attribute *attr, const char *buf, size_t count)
589{
590 struct qeth_card *card = dev_get_drvdata(dev);
591
592 if (!card)
593 return -EINVAL;
594
595 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
596}
597
598static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
599 qeth_l3_dev_ipato_del4_store);
600
601static ssize_t qeth_l3_dev_ipato_invert6_show(struct device *dev,
602 struct device_attribute *attr, char *buf)
603{
604 struct qeth_card *card = dev_get_drvdata(dev);
605
606 if (!card)
607 return -EINVAL;
608
609 return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
610}
611
612static ssize_t qeth_l3_dev_ipato_invert6_store(struct device *dev,
613 struct device_attribute *attr, const char *buf, size_t count)
614{
615 struct qeth_card *card = dev_get_drvdata(dev);
616 char *tmp;
617 int rc = 0;
618
619 if (!card)
620 return -EINVAL;
621
622 mutex_lock(&card->conf_mutex);
623 tmp = strsep((char **) &buf, "\n");
624 if (!strcmp(tmp, "toggle")) {
625 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
626 } else if (!strcmp(tmp, "1")) {
627 card->ipato.invert6 = 1;
628 } else if (!strcmp(tmp, "0")) {
629 card->ipato.invert6 = 0;
630 } else
631 rc = -EINVAL;
632 mutex_unlock(&card->conf_mutex);
633 return rc ? rc : count;
634}
635
636static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
637 qeth_l3_dev_ipato_invert6_show,
638 qeth_l3_dev_ipato_invert6_store);
639
640
641static ssize_t qeth_l3_dev_ipato_add6_show(struct device *dev,
642 struct device_attribute *attr, char *buf)
643{
644 struct qeth_card *card = dev_get_drvdata(dev);
645
646 if (!card)
647 return -EINVAL;
648
649 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
650}
651
652static ssize_t qeth_l3_dev_ipato_add6_store(struct device *dev,
653 struct device_attribute *attr, const char *buf, size_t count)
654{
655 struct qeth_card *card = dev_get_drvdata(dev);
656
657 if (!card)
658 return -EINVAL;
659
660 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
661}
662
663static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
664 qeth_l3_dev_ipato_add6_show,
665 qeth_l3_dev_ipato_add6_store);
666
667static ssize_t qeth_l3_dev_ipato_del6_store(struct device *dev,
668 struct device_attribute *attr, const char *buf, size_t count)
669{
670 struct qeth_card *card = dev_get_drvdata(dev);
671
672 if (!card)
673 return -EINVAL;
674
675 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
676}
677
678static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
679 qeth_l3_dev_ipato_del6_store);
680
681static struct attribute *qeth_ipato_device_attrs[] = {
682 &dev_attr_ipato_enable.attr,
683 &dev_attr_ipato_invert4.attr,
684 &dev_attr_ipato_add4.attr,
685 &dev_attr_ipato_del4.attr,
686 &dev_attr_ipato_invert6.attr,
687 &dev_attr_ipato_add6.attr,
688 &dev_attr_ipato_del6.attr,
689 NULL,
690};
691
692static struct attribute_group qeth_device_ipato_group = {
693 .name = "ipa_takeover",
694 .attrs = qeth_ipato_device_attrs,
695};
696
697static ssize_t qeth_l3_dev_vipa_add_show(char *buf, struct qeth_card *card,
698 enum qeth_prot_versions proto)
699{
700 struct qeth_ipaddr *ipaddr;
701 char addr_str[40];
702 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
703 unsigned long flags;
704 int i = 0;
705
706 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
707 entry_len += 2; /* \n + terminator */
708 spin_lock_irqsave(&card->ip_lock, flags);
709 list_for_each_entry(ipaddr, &card->ip_list, entry) {
710 if (ipaddr->proto != proto)
711 continue;
712 if (ipaddr->type != QETH_IP_TYPE_VIPA)
713 continue;
714 /* String must not be longer than PAGE_SIZE. So we check if
715 * string length gets near PAGE_SIZE. Then we can savely display
716 * the next IPv6 address (worst case, compared to IPv4) */
717 if ((PAGE_SIZE - i) <= entry_len)
718 break;
719 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
720 addr_str);
721 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
722 }
723 spin_unlock_irqrestore(&card->ip_lock, flags);
724 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
725
726 return i;
727}
728
729static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
730 struct device_attribute *attr, char *buf)
731{
732 struct qeth_card *card = dev_get_drvdata(dev);
733
734 if (!card)
735 return -EINVAL;
736
737 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
738}
739
740static int qeth_l3_parse_vipae(const char *buf, enum qeth_prot_versions proto,
741 u8 *addr)
742{
743 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
744 return -EINVAL;
745 }
746 return 0;
747}
748
749static ssize_t qeth_l3_dev_vipa_add_store(const char *buf, size_t count,
750 struct qeth_card *card, enum qeth_prot_versions proto)
751{
752 u8 addr[16] = {0, };
753 int rc;
754
755 mutex_lock(&card->conf_mutex);
756 rc = qeth_l3_parse_vipae(buf, proto, addr);
757 if (!rc)
758 rc = qeth_l3_add_vipa(card, proto, addr);
759 mutex_unlock(&card->conf_mutex);
760 return rc ? rc : count;
761}
762
763static ssize_t qeth_l3_dev_vipa_add4_store(struct device *dev,
764 struct device_attribute *attr, const char *buf, size_t count)
765{
766 struct qeth_card *card = dev_get_drvdata(dev);
767
768 if (!card)
769 return -EINVAL;
770
771 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
772}
773
774static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
775 qeth_l3_dev_vipa_add4_show,
776 qeth_l3_dev_vipa_add4_store);
777
778static ssize_t qeth_l3_dev_vipa_del_store(const char *buf, size_t count,
779 struct qeth_card *card, enum qeth_prot_versions proto)
780{
781 u8 addr[16];
782 int rc;
783
784 mutex_lock(&card->conf_mutex);
785 rc = qeth_l3_parse_vipae(buf, proto, addr);
786 if (!rc)
787 qeth_l3_del_vipa(card, proto, addr);
788 mutex_unlock(&card->conf_mutex);
789 return rc ? rc : count;
790}
791
792static ssize_t qeth_l3_dev_vipa_del4_store(struct device *dev,
793 struct device_attribute *attr, const char *buf, size_t count)
794{
795 struct qeth_card *card = dev_get_drvdata(dev);
796
797 if (!card)
798 return -EINVAL;
799
800 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
801}
802
803static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
804 qeth_l3_dev_vipa_del4_store);
805
806static ssize_t qeth_l3_dev_vipa_add6_show(struct device *dev,
807 struct device_attribute *attr, char *buf)
808{
809 struct qeth_card *card = dev_get_drvdata(dev);
810
811 if (!card)
812 return -EINVAL;
813
814 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
815}
816
817static ssize_t qeth_l3_dev_vipa_add6_store(struct device *dev,
818 struct device_attribute *attr, const char *buf, size_t count)
819{
820 struct qeth_card *card = dev_get_drvdata(dev);
821
822 if (!card)
823 return -EINVAL;
824
825 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
826}
827
828static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
829 qeth_l3_dev_vipa_add6_show,
830 qeth_l3_dev_vipa_add6_store);
831
832static ssize_t qeth_l3_dev_vipa_del6_store(struct device *dev,
833 struct device_attribute *attr, const char *buf, size_t count)
834{
835 struct qeth_card *card = dev_get_drvdata(dev);
836
837 if (!card)
838 return -EINVAL;
839
840 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
841}
842
843static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
844 qeth_l3_dev_vipa_del6_store);
845
846static struct attribute *qeth_vipa_device_attrs[] = {
847 &dev_attr_vipa_add4.attr,
848 &dev_attr_vipa_del4.attr,
849 &dev_attr_vipa_add6.attr,
850 &dev_attr_vipa_del6.attr,
851 NULL,
852};
853
854static struct attribute_group qeth_device_vipa_group = {
855 .name = "vipa",
856 .attrs = qeth_vipa_device_attrs,
857};
858
859static ssize_t qeth_l3_dev_rxip_add_show(char *buf, struct qeth_card *card,
860 enum qeth_prot_versions proto)
861{
862 struct qeth_ipaddr *ipaddr;
863 char addr_str[40];
864 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
865 unsigned long flags;
866 int i = 0;
867
868 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
869 entry_len += 2; /* \n + terminator */
870 spin_lock_irqsave(&card->ip_lock, flags);
871 list_for_each_entry(ipaddr, &card->ip_list, entry) {
872 if (ipaddr->proto != proto)
873 continue;
874 if (ipaddr->type != QETH_IP_TYPE_RXIP)
875 continue;
876 /* String must not be longer than PAGE_SIZE. So we check if
877 * string length gets near PAGE_SIZE. Then we can savely display
878 * the next IPv6 address (worst case, compared to IPv4) */
879 if ((PAGE_SIZE - i) <= entry_len)
880 break;
881 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
882 addr_str);
883 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
884 }
885 spin_unlock_irqrestore(&card->ip_lock, flags);
886 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
887
888 return i;
889}
890
891static ssize_t qeth_l3_dev_rxip_add4_show(struct device *dev,
892 struct device_attribute *attr, char *buf)
893{
894 struct qeth_card *card = dev_get_drvdata(dev);
895
896 if (!card)
897 return -EINVAL;
898
899 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
900}
901
902static int qeth_l3_parse_rxipe(const char *buf, enum qeth_prot_versions proto,
903 u8 *addr)
904{
905 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
906 return -EINVAL;
907 }
908 return 0;
909}
910
911static ssize_t qeth_l3_dev_rxip_add_store(const char *buf, size_t count,
912 struct qeth_card *card, enum qeth_prot_versions proto)
913{
914 u8 addr[16] = {0, };
915 int rc;
916
917 mutex_lock(&card->conf_mutex);
918 rc = qeth_l3_parse_rxipe(buf, proto, addr);
919 if (!rc)
920 rc = qeth_l3_add_rxip(card, proto, addr);
921 mutex_unlock(&card->conf_mutex);
922 return rc ? rc : count;
923}
924
925static ssize_t qeth_l3_dev_rxip_add4_store(struct device *dev,
926 struct device_attribute *attr, const char *buf, size_t count)
927{
928 struct qeth_card *card = dev_get_drvdata(dev);
929
930 if (!card)
931 return -EINVAL;
932
933 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
934}
935
936static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
937 qeth_l3_dev_rxip_add4_show,
938 qeth_l3_dev_rxip_add4_store);
939
940static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
941 struct qeth_card *card, enum qeth_prot_versions proto)
942{
943 u8 addr[16];
944 int rc;
945
946 mutex_lock(&card->conf_mutex);
947 rc = qeth_l3_parse_rxipe(buf, proto, addr);
948 if (!rc)
949 qeth_l3_del_rxip(card, proto, addr);
950 mutex_unlock(&card->conf_mutex);
951 return rc ? rc : count;
952}
953
954static ssize_t qeth_l3_dev_rxip_del4_store(struct device *dev,
955 struct device_attribute *attr, const char *buf, size_t count)
956{
957 struct qeth_card *card = dev_get_drvdata(dev);
958
959 if (!card)
960 return -EINVAL;
961
962 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
963}
964
965static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
966 qeth_l3_dev_rxip_del4_store);
967
968static ssize_t qeth_l3_dev_rxip_add6_show(struct device *dev,
969 struct device_attribute *attr, char *buf)
970{
971 struct qeth_card *card = dev_get_drvdata(dev);
972
973 if (!card)
974 return -EINVAL;
975
976 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
977}
978
979static ssize_t qeth_l3_dev_rxip_add6_store(struct device *dev,
980 struct device_attribute *attr, const char *buf, size_t count)
981{
982 struct qeth_card *card = dev_get_drvdata(dev);
983
984 if (!card)
985 return -EINVAL;
986
987 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
988}
989
990static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
991 qeth_l3_dev_rxip_add6_show,
992 qeth_l3_dev_rxip_add6_store);
993
994static ssize_t qeth_l3_dev_rxip_del6_store(struct device *dev,
995 struct device_attribute *attr, const char *buf, size_t count)
996{
997 struct qeth_card *card = dev_get_drvdata(dev);
998
999 if (!card)
1000 return -EINVAL;
1001
1002 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
1003}
1004
1005static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
1006 qeth_l3_dev_rxip_del6_store);
1007
1008static struct attribute *qeth_rxip_device_attrs[] = {
1009 &dev_attr_rxip_add4.attr,
1010 &dev_attr_rxip_del4.attr,
1011 &dev_attr_rxip_add6.attr,
1012 &dev_attr_rxip_del6.attr,
1013 NULL,
1014};
1015
1016static struct attribute_group qeth_device_rxip_group = {
1017 .name = "rxip",
1018 .attrs = qeth_rxip_device_attrs,
1019};
1020
1021int qeth_l3_create_device_attributes(struct device *dev)
1022{
1023 int ret;
1024
1025 ret = sysfs_create_group(&dev->kobj, &qeth_l3_device_attr_group);
1026 if (ret)
1027 return ret;
1028
1029 ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group);
1030 if (ret) {
1031 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1032 return ret;
1033 }
1034
1035 ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group);
1036 if (ret) {
1037 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1038 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1039 return ret;
1040 }
1041
1042 ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group);
1043 if (ret) {
1044 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1045 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1046 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1047 return ret;
1048 }
1049 return 0;
1050}
1051
1052void qeth_l3_remove_device_attributes(struct device *dev)
1053{
1054 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1055 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1056 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1057 sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
1058}