This source file includes following definitions.
- qeth_l3_string_to_ipaddr
- qeth_l3_dev_route_show
- qeth_l3_dev_route4_show
- qeth_l3_dev_route_store
- qeth_l3_dev_route4_store
- qeth_l3_dev_route6_show
- qeth_l3_dev_route6_store
- qeth_l3_dev_fake_broadcast_show
- qeth_l3_dev_fake_broadcast_store
- qeth_l3_dev_sniffer_show
- qeth_l3_dev_sniffer_store
- qeth_l3_dev_hsuid_show
- qeth_l3_dev_hsuid_store
- qeth_l3_dev_ipato_enable_show
- qeth_l3_dev_ipato_enable_store
- qeth_l3_dev_ipato_invert4_show
- qeth_l3_dev_ipato_invert4_store
- qeth_l3_dev_ipato_add_show
- qeth_l3_dev_ipato_add4_show
- qeth_l3_parse_ipatoe
- qeth_l3_dev_ipato_add_store
- qeth_l3_dev_ipato_add4_store
- qeth_l3_dev_ipato_del_store
- qeth_l3_dev_ipato_del4_store
- qeth_l3_dev_ipato_invert6_show
- qeth_l3_dev_ipato_invert6_store
- qeth_l3_dev_ipato_add6_show
- qeth_l3_dev_ipato_add6_store
- qeth_l3_dev_ipato_del6_store
- qeth_l3_dev_ip_add_show
- qeth_l3_dev_vipa_add4_show
- qeth_l3_parse_vipae
- qeth_l3_dev_vipa_add_store
- qeth_l3_dev_vipa_add4_store
- qeth_l3_dev_vipa_del_store
- qeth_l3_dev_vipa_del4_store
- qeth_l3_dev_vipa_add6_show
- qeth_l3_dev_vipa_add6_store
- qeth_l3_dev_vipa_del6_store
- qeth_l3_dev_rxip_add4_show
- qeth_l3_parse_rxipe
- qeth_l3_dev_rxip_add_store
- qeth_l3_dev_rxip_add4_store
- qeth_l3_dev_rxip_del_store
- qeth_l3_dev_rxip_del4_store
- qeth_l3_dev_rxip_add6_show
- qeth_l3_dev_rxip_add6_store
- qeth_l3_dev_rxip_del6_store
- qeth_l3_create_device_attributes
- qeth_l3_remove_device_attributes
1
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5
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7
8
9
10 #include <linux/slab.h>
11 #include <asm/ebcdic.h>
12 #include <linux/hashtable.h>
13 #include <linux/inet.h>
14 #include "qeth_l3.h"
15
16 #define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \
17 struct device_attribute dev_attr_##_id = __ATTR(_name, _mode, _show, _store)
18
19 static int qeth_l3_string_to_ipaddr(const char *buf,
20 enum qeth_prot_versions proto, u8 *addr)
21 {
22 const char *end;
23
24 if ((proto == QETH_PROT_IPV4 && !in4_pton(buf, -1, addr, -1, &end)) ||
25 (proto == QETH_PROT_IPV6 && !in6_pton(buf, -1, addr, -1, &end)))
26 return -EINVAL;
27 return 0;
28 }
29
30 static ssize_t qeth_l3_dev_route_show(struct qeth_card *card,
31 struct qeth_routing_info *route, char *buf)
32 {
33 switch (route->type) {
34 case PRIMARY_ROUTER:
35 return sprintf(buf, "%s\n", "primary router");
36 case SECONDARY_ROUTER:
37 return sprintf(buf, "%s\n", "secondary router");
38 case MULTICAST_ROUTER:
39 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
40 return sprintf(buf, "%s\n", "multicast router+");
41 else
42 return sprintf(buf, "%s\n", "multicast router");
43 case PRIMARY_CONNECTOR:
44 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
45 return sprintf(buf, "%s\n", "primary connector+");
46 else
47 return sprintf(buf, "%s\n", "primary connector");
48 case SECONDARY_CONNECTOR:
49 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
50 return sprintf(buf, "%s\n", "secondary connector+");
51 else
52 return sprintf(buf, "%s\n", "secondary connector");
53 default:
54 return sprintf(buf, "%s\n", "no");
55 }
56 }
57
58 static ssize_t qeth_l3_dev_route4_show(struct device *dev,
59 struct device_attribute *attr, char *buf)
60 {
61 struct qeth_card *card = dev_get_drvdata(dev);
62
63 if (!card)
64 return -EINVAL;
65
66 return qeth_l3_dev_route_show(card, &card->options.route4, buf);
67 }
68
69 static ssize_t qeth_l3_dev_route_store(struct qeth_card *card,
70 struct qeth_routing_info *route, enum qeth_prot_versions prot,
71 const char *buf, size_t count)
72 {
73 enum qeth_routing_types old_route_type = route->type;
74 int rc = 0;
75
76 mutex_lock(&card->conf_mutex);
77 if (sysfs_streq(buf, "no_router")) {
78 route->type = NO_ROUTER;
79 } else if (sysfs_streq(buf, "primary_connector")) {
80 route->type = PRIMARY_CONNECTOR;
81 } else if (sysfs_streq(buf, "secondary_connector")) {
82 route->type = SECONDARY_CONNECTOR;
83 } else if (sysfs_streq(buf, "primary_router")) {
84 route->type = PRIMARY_ROUTER;
85 } else if (sysfs_streq(buf, "secondary_router")) {
86 route->type = SECONDARY_ROUTER;
87 } else if (sysfs_streq(buf, "multicast_router")) {
88 route->type = MULTICAST_ROUTER;
89 } else {
90 rc = -EINVAL;
91 goto out;
92 }
93 if (qeth_card_hw_is_reachable(card) &&
94 (old_route_type != route->type)) {
95 if (prot == QETH_PROT_IPV4)
96 rc = qeth_l3_setrouting_v4(card);
97 else if (prot == QETH_PROT_IPV6)
98 rc = qeth_l3_setrouting_v6(card);
99 }
100 out:
101 if (rc)
102 route->type = old_route_type;
103 mutex_unlock(&card->conf_mutex);
104 return rc ? rc : count;
105 }
106
107 static ssize_t qeth_l3_dev_route4_store(struct device *dev,
108 struct device_attribute *attr, const char *buf, size_t count)
109 {
110 struct qeth_card *card = dev_get_drvdata(dev);
111
112 if (!card)
113 return -EINVAL;
114
115 return qeth_l3_dev_route_store(card, &card->options.route4,
116 QETH_PROT_IPV4, buf, count);
117 }
118
119 static DEVICE_ATTR(route4, 0644, qeth_l3_dev_route4_show,
120 qeth_l3_dev_route4_store);
121
122 static ssize_t qeth_l3_dev_route6_show(struct device *dev,
123 struct device_attribute *attr, char *buf)
124 {
125 struct qeth_card *card = dev_get_drvdata(dev);
126
127 if (!card)
128 return -EINVAL;
129
130 return qeth_l3_dev_route_show(card, &card->options.route6, buf);
131 }
132
133 static ssize_t qeth_l3_dev_route6_store(struct device *dev,
134 struct device_attribute *attr, const char *buf, size_t count)
135 {
136 struct qeth_card *card = dev_get_drvdata(dev);
137
138 if (!card)
139 return -EINVAL;
140
141 return qeth_l3_dev_route_store(card, &card->options.route6,
142 QETH_PROT_IPV6, buf, count);
143 }
144
145 static DEVICE_ATTR(route6, 0644, qeth_l3_dev_route6_show,
146 qeth_l3_dev_route6_store);
147
148 static ssize_t qeth_l3_dev_fake_broadcast_show(struct device *dev,
149 struct device_attribute *attr, char *buf)
150 {
151 struct qeth_card *card = dev_get_drvdata(dev);
152
153 if (!card)
154 return -EINVAL;
155
156 return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
157 }
158
159 static ssize_t qeth_l3_dev_fake_broadcast_store(struct device *dev,
160 struct device_attribute *attr, const char *buf, size_t count)
161 {
162 struct qeth_card *card = dev_get_drvdata(dev);
163 char *tmp;
164 int i, rc = 0;
165
166 if (!card)
167 return -EINVAL;
168
169 mutex_lock(&card->conf_mutex);
170 if (card->state != CARD_STATE_DOWN) {
171 rc = -EPERM;
172 goto out;
173 }
174
175 i = simple_strtoul(buf, &tmp, 16);
176 if ((i == 0) || (i == 1))
177 card->options.fake_broadcast = i;
178 else
179 rc = -EINVAL;
180 out:
181 mutex_unlock(&card->conf_mutex);
182 return rc ? rc : count;
183 }
184
185 static DEVICE_ATTR(fake_broadcast, 0644, qeth_l3_dev_fake_broadcast_show,
186 qeth_l3_dev_fake_broadcast_store);
187
188 static ssize_t qeth_l3_dev_sniffer_show(struct device *dev,
189 struct device_attribute *attr, char *buf)
190 {
191 struct qeth_card *card = dev_get_drvdata(dev);
192
193 if (!card)
194 return -EINVAL;
195
196 return sprintf(buf, "%i\n", card->options.sniffer ? 1 : 0);
197 }
198
199 static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
200 struct device_attribute *attr, const char *buf, size_t count)
201 {
202 struct qeth_card *card = dev_get_drvdata(dev);
203 int rc = 0;
204 unsigned long i;
205
206 if (!card)
207 return -EINVAL;
208
209 if (!IS_IQD(card))
210 return -EPERM;
211 if (card->options.cq == QETH_CQ_ENABLED)
212 return -EPERM;
213
214 mutex_lock(&card->conf_mutex);
215 if (card->state != CARD_STATE_DOWN) {
216 rc = -EPERM;
217 goto out;
218 }
219
220 rc = kstrtoul(buf, 16, &i);
221 if (rc) {
222 rc = -EINVAL;
223 goto out;
224 }
225 switch (i) {
226 case 0:
227 card->options.sniffer = i;
228 break;
229 case 1:
230 qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
231 if (card->ssqd.qdioac2 & QETH_SNIFF_AVAIL) {
232 card->options.sniffer = i;
233 if (card->qdio.init_pool.buf_count !=
234 QETH_IN_BUF_COUNT_MAX)
235 qeth_realloc_buffer_pool(card,
236 QETH_IN_BUF_COUNT_MAX);
237 } else
238 rc = -EPERM;
239 break;
240 default:
241 rc = -EINVAL;
242 }
243 out:
244 mutex_unlock(&card->conf_mutex);
245 return rc ? rc : count;
246 }
247
248 static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
249 qeth_l3_dev_sniffer_store);
250
251
252 static ssize_t qeth_l3_dev_hsuid_show(struct device *dev,
253 struct device_attribute *attr, char *buf)
254 {
255 struct qeth_card *card = dev_get_drvdata(dev);
256 char tmp_hsuid[9];
257
258 if (!card)
259 return -EINVAL;
260
261 if (!IS_IQD(card))
262 return -EPERM;
263
264 memcpy(tmp_hsuid, card->options.hsuid, sizeof(tmp_hsuid));
265 EBCASC(tmp_hsuid, 8);
266 return sprintf(buf, "%s\n", tmp_hsuid);
267 }
268
269 static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
270 struct device_attribute *attr, const char *buf, size_t count)
271 {
272 struct qeth_card *card = dev_get_drvdata(dev);
273 int rc = 0;
274 char *tmp;
275
276 if (!card)
277 return -EINVAL;
278
279 if (!IS_IQD(card))
280 return -EPERM;
281
282 mutex_lock(&card->conf_mutex);
283 if (card->state != CARD_STATE_DOWN) {
284 rc = -EPERM;
285 goto out;
286 }
287
288 if (card->options.sniffer) {
289 rc = -EPERM;
290 goto out;
291 }
292
293 if (card->options.cq == QETH_CQ_NOTAVAILABLE) {
294 rc = -EPERM;
295 goto out;
296 }
297
298 tmp = strsep((char **)&buf, "\n");
299 if (strlen(tmp) > 8) {
300 rc = -EINVAL;
301 goto out;
302 }
303
304 if (card->options.hsuid[0])
305
306 qeth_l3_modify_hsuid(card, false);
307
308 if (strlen(tmp) == 0) {
309
310 card->options.hsuid[0] = '\0';
311 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
312 qeth_configure_cq(card, QETH_CQ_DISABLED);
313 goto out;
314 }
315
316 if (qeth_configure_cq(card, QETH_CQ_ENABLED)) {
317 rc = -EPERM;
318 goto out;
319 }
320
321 snprintf(card->options.hsuid, sizeof(card->options.hsuid),
322 "%-8s", tmp);
323 ASCEBC(card->options.hsuid, 8);
324 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
325
326 rc = qeth_l3_modify_hsuid(card, true);
327
328 out:
329 mutex_unlock(&card->conf_mutex);
330 return rc ? rc : count;
331 }
332
333 static DEVICE_ATTR(hsuid, 0644, qeth_l3_dev_hsuid_show,
334 qeth_l3_dev_hsuid_store);
335
336
337 static struct attribute *qeth_l3_device_attrs[] = {
338 &dev_attr_route4.attr,
339 &dev_attr_route6.attr,
340 &dev_attr_fake_broadcast.attr,
341 &dev_attr_sniffer.attr,
342 &dev_attr_hsuid.attr,
343 NULL,
344 };
345
346 static const struct attribute_group qeth_l3_device_attr_group = {
347 .attrs = qeth_l3_device_attrs,
348 };
349
350 static ssize_t qeth_l3_dev_ipato_enable_show(struct device *dev,
351 struct device_attribute *attr, char *buf)
352 {
353 struct qeth_card *card = dev_get_drvdata(dev);
354
355 if (!card)
356 return -EINVAL;
357
358 return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
359 }
360
361 static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
362 struct device_attribute *attr, const char *buf, size_t count)
363 {
364 struct qeth_card *card = dev_get_drvdata(dev);
365 bool enable;
366 int rc = 0;
367
368 if (!card)
369 return -EINVAL;
370
371 mutex_lock(&card->conf_mutex);
372 if (card->state != CARD_STATE_DOWN) {
373 rc = -EPERM;
374 goto out;
375 }
376
377 if (sysfs_streq(buf, "toggle")) {
378 enable = !card->ipato.enabled;
379 } else if (kstrtobool(buf, &enable)) {
380 rc = -EINVAL;
381 goto out;
382 }
383
384 if (card->ipato.enabled != enable) {
385 card->ipato.enabled = enable;
386 mutex_lock(&card->ip_lock);
387 qeth_l3_update_ipato(card);
388 mutex_unlock(&card->ip_lock);
389 }
390 out:
391 mutex_unlock(&card->conf_mutex);
392 return rc ? rc : count;
393 }
394
395 static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
396 qeth_l3_dev_ipato_enable_show,
397 qeth_l3_dev_ipato_enable_store);
398
399 static ssize_t qeth_l3_dev_ipato_invert4_show(struct device *dev,
400 struct device_attribute *attr, char *buf)
401 {
402 struct qeth_card *card = dev_get_drvdata(dev);
403
404 if (!card)
405 return -EINVAL;
406
407 return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
408 }
409
410 static ssize_t qeth_l3_dev_ipato_invert4_store(struct device *dev,
411 struct device_attribute *attr,
412 const char *buf, size_t count)
413 {
414 struct qeth_card *card = dev_get_drvdata(dev);
415 bool invert;
416 int rc = 0;
417
418 if (!card)
419 return -EINVAL;
420
421 mutex_lock(&card->conf_mutex);
422 if (sysfs_streq(buf, "toggle")) {
423 invert = !card->ipato.invert4;
424 } else if (kstrtobool(buf, &invert)) {
425 rc = -EINVAL;
426 goto out;
427 }
428
429 if (card->ipato.invert4 != invert) {
430 card->ipato.invert4 = invert;
431 mutex_lock(&card->ip_lock);
432 qeth_l3_update_ipato(card);
433 mutex_unlock(&card->ip_lock);
434 }
435 out:
436 mutex_unlock(&card->conf_mutex);
437 return rc ? rc : count;
438 }
439
440 static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
441 qeth_l3_dev_ipato_invert4_show,
442 qeth_l3_dev_ipato_invert4_store);
443
444 static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
445 enum qeth_prot_versions proto)
446 {
447 struct qeth_ipato_entry *ipatoe;
448 char addr_str[40];
449 int entry_len;
450 int i = 0;
451
452 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
453
454 entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
455 mutex_lock(&card->ip_lock);
456 list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
457 if (ipatoe->proto != proto)
458 continue;
459
460
461
462 if ((PAGE_SIZE - i) <= entry_len)
463 break;
464 qeth_l3_ipaddr_to_string(proto, ipatoe->addr, addr_str);
465 i += snprintf(buf + i, PAGE_SIZE - i,
466 "%s/%i\n", addr_str, ipatoe->mask_bits);
467 }
468 mutex_unlock(&card->ip_lock);
469 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
470
471 return i;
472 }
473
474 static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev,
475 struct device_attribute *attr, char *buf)
476 {
477 struct qeth_card *card = dev_get_drvdata(dev);
478
479 if (!card)
480 return -EINVAL;
481
482 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
483 }
484
485 static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto,
486 u8 *addr, int *mask_bits)
487 {
488 const char *start, *end;
489 char *tmp;
490 char buffer[40] = {0, };
491
492 start = buf;
493
494 end = strchr(start, '/');
495 if (!end || (end - start >= 40)) {
496 return -EINVAL;
497 }
498 strncpy(buffer, start, end - start);
499 if (qeth_l3_string_to_ipaddr(buffer, proto, addr)) {
500 return -EINVAL;
501 }
502 start = end + 1;
503 *mask_bits = simple_strtoul(start, &tmp, 10);
504 if (!strlen(start) ||
505 (tmp == start) ||
506 (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) {
507 return -EINVAL;
508 }
509 return 0;
510 }
511
512 static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count,
513 struct qeth_card *card, enum qeth_prot_versions proto)
514 {
515 struct qeth_ipato_entry *ipatoe;
516 u8 addr[16];
517 int mask_bits;
518 int rc = 0;
519
520 mutex_lock(&card->conf_mutex);
521 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
522 if (rc)
523 goto out;
524
525 ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
526 if (!ipatoe) {
527 rc = -ENOMEM;
528 goto out;
529 }
530 ipatoe->proto = proto;
531 memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
532 ipatoe->mask_bits = mask_bits;
533
534 rc = qeth_l3_add_ipato_entry(card, ipatoe);
535 if (rc)
536 kfree(ipatoe);
537 out:
538 mutex_unlock(&card->conf_mutex);
539 return rc ? rc : count;
540 }
541
542 static ssize_t qeth_l3_dev_ipato_add4_store(struct device *dev,
543 struct device_attribute *attr, const char *buf, size_t count)
544 {
545 struct qeth_card *card = dev_get_drvdata(dev);
546
547 if (!card)
548 return -EINVAL;
549
550 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
551 }
552
553 static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
554 qeth_l3_dev_ipato_add4_show,
555 qeth_l3_dev_ipato_add4_store);
556
557 static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
558 struct qeth_card *card, enum qeth_prot_versions proto)
559 {
560 u8 addr[16];
561 int mask_bits;
562 int rc = 0;
563
564 mutex_lock(&card->conf_mutex);
565 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
566 if (!rc)
567 rc = qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
568 mutex_unlock(&card->conf_mutex);
569 return rc ? rc : count;
570 }
571
572 static ssize_t qeth_l3_dev_ipato_del4_store(struct device *dev,
573 struct device_attribute *attr, const char *buf, size_t count)
574 {
575 struct qeth_card *card = dev_get_drvdata(dev);
576
577 if (!card)
578 return -EINVAL;
579
580 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
581 }
582
583 static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
584 qeth_l3_dev_ipato_del4_store);
585
586 static ssize_t qeth_l3_dev_ipato_invert6_show(struct device *dev,
587 struct device_attribute *attr, char *buf)
588 {
589 struct qeth_card *card = dev_get_drvdata(dev);
590
591 if (!card)
592 return -EINVAL;
593
594 return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
595 }
596
597 static ssize_t qeth_l3_dev_ipato_invert6_store(struct device *dev,
598 struct device_attribute *attr, const char *buf, size_t count)
599 {
600 struct qeth_card *card = dev_get_drvdata(dev);
601 bool invert;
602 int rc = 0;
603
604 if (!card)
605 return -EINVAL;
606
607 mutex_lock(&card->conf_mutex);
608 if (sysfs_streq(buf, "toggle")) {
609 invert = !card->ipato.invert6;
610 } else if (kstrtobool(buf, &invert)) {
611 rc = -EINVAL;
612 goto out;
613 }
614
615 if (card->ipato.invert6 != invert) {
616 card->ipato.invert6 = invert;
617 mutex_lock(&card->ip_lock);
618 qeth_l3_update_ipato(card);
619 mutex_unlock(&card->ip_lock);
620 }
621 out:
622 mutex_unlock(&card->conf_mutex);
623 return rc ? rc : count;
624 }
625
626 static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
627 qeth_l3_dev_ipato_invert6_show,
628 qeth_l3_dev_ipato_invert6_store);
629
630
631 static ssize_t qeth_l3_dev_ipato_add6_show(struct device *dev,
632 struct device_attribute *attr, char *buf)
633 {
634 struct qeth_card *card = dev_get_drvdata(dev);
635
636 if (!card)
637 return -EINVAL;
638
639 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
640 }
641
642 static ssize_t qeth_l3_dev_ipato_add6_store(struct device *dev,
643 struct device_attribute *attr, const char *buf, size_t count)
644 {
645 struct qeth_card *card = dev_get_drvdata(dev);
646
647 if (!card)
648 return -EINVAL;
649
650 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
651 }
652
653 static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
654 qeth_l3_dev_ipato_add6_show,
655 qeth_l3_dev_ipato_add6_store);
656
657 static ssize_t qeth_l3_dev_ipato_del6_store(struct device *dev,
658 struct device_attribute *attr, const char *buf, size_t count)
659 {
660 struct qeth_card *card = dev_get_drvdata(dev);
661
662 if (!card)
663 return -EINVAL;
664
665 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
666 }
667
668 static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
669 qeth_l3_dev_ipato_del6_store);
670
671 static struct attribute *qeth_ipato_device_attrs[] = {
672 &dev_attr_ipato_enable.attr,
673 &dev_attr_ipato_invert4.attr,
674 &dev_attr_ipato_add4.attr,
675 &dev_attr_ipato_del4.attr,
676 &dev_attr_ipato_invert6.attr,
677 &dev_attr_ipato_add6.attr,
678 &dev_attr_ipato_del6.attr,
679 NULL,
680 };
681
682 static const struct attribute_group qeth_device_ipato_group = {
683 .name = "ipa_takeover",
684 .attrs = qeth_ipato_device_attrs,
685 };
686
687 static ssize_t qeth_l3_dev_ip_add_show(struct device *dev, char *buf,
688 enum qeth_prot_versions proto,
689 enum qeth_ip_types type)
690 {
691 struct qeth_card *card = dev_get_drvdata(dev);
692 struct qeth_ipaddr *ipaddr;
693 char addr_str[40];
694 int str_len = 0;
695 int entry_len;
696 int i;
697
698 if (!card)
699 return -EINVAL;
700
701 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
702 entry_len += 2;
703 mutex_lock(&card->ip_lock);
704 hash_for_each(card->ip_htable, i, ipaddr, hnode) {
705 if (ipaddr->proto != proto || ipaddr->type != type)
706 continue;
707
708
709
710 if ((PAGE_SIZE - str_len) <= entry_len)
711 break;
712 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
713 addr_str);
714 str_len += snprintf(buf + str_len, PAGE_SIZE - str_len, "%s\n",
715 addr_str);
716 }
717 mutex_unlock(&card->ip_lock);
718 str_len += snprintf(buf + str_len, PAGE_SIZE - str_len, "\n");
719
720 return str_len;
721 }
722
723 static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
724 struct device_attribute *attr,
725 char *buf)
726 {
727 return qeth_l3_dev_ip_add_show(dev, buf, QETH_PROT_IPV4,
728 QETH_IP_TYPE_VIPA);
729 }
730
731 static int qeth_l3_parse_vipae(const char *buf, enum qeth_prot_versions proto,
732 u8 *addr)
733 {
734 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
735 return -EINVAL;
736 }
737 return 0;
738 }
739
740 static ssize_t qeth_l3_dev_vipa_add_store(const char *buf, size_t count,
741 struct qeth_card *card, enum qeth_prot_versions proto)
742 {
743 u8 addr[16] = {0, };
744 int rc;
745
746 mutex_lock(&card->conf_mutex);
747 rc = qeth_l3_parse_vipae(buf, proto, addr);
748 if (!rc)
749 rc = qeth_l3_modify_rxip_vipa(card, true, addr,
750 QETH_IP_TYPE_VIPA, proto);
751 mutex_unlock(&card->conf_mutex);
752 return rc ? rc : count;
753 }
754
755 static ssize_t qeth_l3_dev_vipa_add4_store(struct device *dev,
756 struct device_attribute *attr, const char *buf, size_t count)
757 {
758 struct qeth_card *card = dev_get_drvdata(dev);
759
760 if (!card)
761 return -EINVAL;
762
763 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
764 }
765
766 static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
767 qeth_l3_dev_vipa_add4_show,
768 qeth_l3_dev_vipa_add4_store);
769
770 static ssize_t qeth_l3_dev_vipa_del_store(const char *buf, size_t count,
771 struct qeth_card *card, enum qeth_prot_versions proto)
772 {
773 u8 addr[16];
774 int rc;
775
776 mutex_lock(&card->conf_mutex);
777 rc = qeth_l3_parse_vipae(buf, proto, addr);
778 if (!rc)
779 rc = qeth_l3_modify_rxip_vipa(card, false, addr,
780 QETH_IP_TYPE_VIPA, proto);
781 mutex_unlock(&card->conf_mutex);
782 return rc ? rc : count;
783 }
784
785 static ssize_t qeth_l3_dev_vipa_del4_store(struct device *dev,
786 struct device_attribute *attr, const char *buf, size_t count)
787 {
788 struct qeth_card *card = dev_get_drvdata(dev);
789
790 if (!card)
791 return -EINVAL;
792
793 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
794 }
795
796 static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
797 qeth_l3_dev_vipa_del4_store);
798
799 static ssize_t qeth_l3_dev_vipa_add6_show(struct device *dev,
800 struct device_attribute *attr,
801 char *buf)
802 {
803 return qeth_l3_dev_ip_add_show(dev, buf, QETH_PROT_IPV6,
804 QETH_IP_TYPE_VIPA);
805 }
806
807 static ssize_t qeth_l3_dev_vipa_add6_store(struct device *dev,
808 struct device_attribute *attr, const char *buf, size_t count)
809 {
810 struct qeth_card *card = dev_get_drvdata(dev);
811
812 if (!card)
813 return -EINVAL;
814
815 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
816 }
817
818 static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
819 qeth_l3_dev_vipa_add6_show,
820 qeth_l3_dev_vipa_add6_store);
821
822 static ssize_t qeth_l3_dev_vipa_del6_store(struct device *dev,
823 struct device_attribute *attr, const char *buf, size_t count)
824 {
825 struct qeth_card *card = dev_get_drvdata(dev);
826
827 if (!card)
828 return -EINVAL;
829
830 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
831 }
832
833 static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
834 qeth_l3_dev_vipa_del6_store);
835
836 static struct attribute *qeth_vipa_device_attrs[] = {
837 &dev_attr_vipa_add4.attr,
838 &dev_attr_vipa_del4.attr,
839 &dev_attr_vipa_add6.attr,
840 &dev_attr_vipa_del6.attr,
841 NULL,
842 };
843
844 static const struct attribute_group qeth_device_vipa_group = {
845 .name = "vipa",
846 .attrs = qeth_vipa_device_attrs,
847 };
848
849 static ssize_t qeth_l3_dev_rxip_add4_show(struct device *dev,
850 struct device_attribute *attr,
851 char *buf)
852 {
853 return qeth_l3_dev_ip_add_show(dev, buf, QETH_PROT_IPV4,
854 QETH_IP_TYPE_RXIP);
855 }
856
857 static int qeth_l3_parse_rxipe(const char *buf, enum qeth_prot_versions proto,
858 u8 *addr)
859 {
860 __be32 ipv4_addr;
861 struct in6_addr ipv6_addr;
862
863 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
864 return -EINVAL;
865 }
866 if (proto == QETH_PROT_IPV4) {
867 memcpy(&ipv4_addr, addr, sizeof(ipv4_addr));
868 if (ipv4_is_multicast(ipv4_addr)) {
869 QETH_DBF_MESSAGE(2, "multicast rxip not supported.\n");
870 return -EINVAL;
871 }
872 } else if (proto == QETH_PROT_IPV6) {
873 memcpy(&ipv6_addr, addr, sizeof(ipv6_addr));
874 if (ipv6_addr_is_multicast(&ipv6_addr)) {
875 QETH_DBF_MESSAGE(2, "multicast rxip not supported.\n");
876 return -EINVAL;
877 }
878 }
879
880 return 0;
881 }
882
883 static ssize_t qeth_l3_dev_rxip_add_store(const char *buf, size_t count,
884 struct qeth_card *card, enum qeth_prot_versions proto)
885 {
886 u8 addr[16] = {0, };
887 int rc;
888
889 mutex_lock(&card->conf_mutex);
890 rc = qeth_l3_parse_rxipe(buf, proto, addr);
891 if (!rc)
892 rc = qeth_l3_modify_rxip_vipa(card, true, addr,
893 QETH_IP_TYPE_RXIP, proto);
894 mutex_unlock(&card->conf_mutex);
895 return rc ? rc : count;
896 }
897
898 static ssize_t qeth_l3_dev_rxip_add4_store(struct device *dev,
899 struct device_attribute *attr, const char *buf, size_t count)
900 {
901 struct qeth_card *card = dev_get_drvdata(dev);
902
903 if (!card)
904 return -EINVAL;
905
906 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
907 }
908
909 static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
910 qeth_l3_dev_rxip_add4_show,
911 qeth_l3_dev_rxip_add4_store);
912
913 static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
914 struct qeth_card *card, enum qeth_prot_versions proto)
915 {
916 u8 addr[16];
917 int rc;
918
919 mutex_lock(&card->conf_mutex);
920 rc = qeth_l3_parse_rxipe(buf, proto, addr);
921 if (!rc)
922 rc = qeth_l3_modify_rxip_vipa(card, false, addr,
923 QETH_IP_TYPE_RXIP, proto);
924 mutex_unlock(&card->conf_mutex);
925 return rc ? rc : count;
926 }
927
928 static ssize_t qeth_l3_dev_rxip_del4_store(struct device *dev,
929 struct device_attribute *attr, const char *buf, size_t count)
930 {
931 struct qeth_card *card = dev_get_drvdata(dev);
932
933 if (!card)
934 return -EINVAL;
935
936 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
937 }
938
939 static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
940 qeth_l3_dev_rxip_del4_store);
941
942 static ssize_t qeth_l3_dev_rxip_add6_show(struct device *dev,
943 struct device_attribute *attr,
944 char *buf)
945 {
946 return qeth_l3_dev_ip_add_show(dev, buf, QETH_PROT_IPV6,
947 QETH_IP_TYPE_RXIP);
948 }
949
950 static ssize_t qeth_l3_dev_rxip_add6_store(struct device *dev,
951 struct device_attribute *attr, const char *buf, size_t count)
952 {
953 struct qeth_card *card = dev_get_drvdata(dev);
954
955 if (!card)
956 return -EINVAL;
957
958 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
959 }
960
961 static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
962 qeth_l3_dev_rxip_add6_show,
963 qeth_l3_dev_rxip_add6_store);
964
965 static ssize_t qeth_l3_dev_rxip_del6_store(struct device *dev,
966 struct device_attribute *attr, const char *buf, size_t count)
967 {
968 struct qeth_card *card = dev_get_drvdata(dev);
969
970 if (!card)
971 return -EINVAL;
972
973 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
974 }
975
976 static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
977 qeth_l3_dev_rxip_del6_store);
978
979 static struct attribute *qeth_rxip_device_attrs[] = {
980 &dev_attr_rxip_add4.attr,
981 &dev_attr_rxip_del4.attr,
982 &dev_attr_rxip_add6.attr,
983 &dev_attr_rxip_del6.attr,
984 NULL,
985 };
986
987 static const struct attribute_group qeth_device_rxip_group = {
988 .name = "rxip",
989 .attrs = qeth_rxip_device_attrs,
990 };
991
992 static const struct attribute_group *qeth_l3_only_attr_groups[] = {
993 &qeth_l3_device_attr_group,
994 &qeth_device_ipato_group,
995 &qeth_device_vipa_group,
996 &qeth_device_rxip_group,
997 NULL,
998 };
999
1000 int qeth_l3_create_device_attributes(struct device *dev)
1001 {
1002 return sysfs_create_groups(&dev->kobj, qeth_l3_only_attr_groups);
1003 }
1004
1005 void qeth_l3_remove_device_attributes(struct device *dev)
1006 {
1007 sysfs_remove_groups(&dev->kobj, qeth_l3_only_attr_groups);
1008 }
1009
1010 const struct attribute_group *qeth_l3_attr_groups[] = {
1011 &qeth_device_attr_group,
1012 &qeth_device_blkt_group,
1013
1014 &qeth_l3_device_attr_group,
1015 &qeth_device_ipato_group,
1016 &qeth_device_vipa_group,
1017 &qeth_device_rxip_group,
1018 NULL,
1019 };