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>
9 #include <linux/slab.h>
10 #include <asm/ebcdic.h>
11 #include <linux/hashtable.h>
14 #define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \
15 struct device_attribute dev_attr_##_id = __ATTR(_name, _mode, _show, _store)
17 static ssize_t qeth_l3_dev_route_show(struct qeth_card *card,
18 struct qeth_routing_info *route, char *buf)
20 switch (route->type) {
22 return sprintf(buf, "%s\n", "primary router");
23 case SECONDARY_ROUTER:
24 return sprintf(buf, "%s\n", "secondary router");
25 case MULTICAST_ROUTER:
26 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
27 return sprintf(buf, "%s\n", "multicast router+");
29 return sprintf(buf, "%s\n", "multicast router");
30 case PRIMARY_CONNECTOR:
31 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
32 return sprintf(buf, "%s\n", "primary connector+");
34 return sprintf(buf, "%s\n", "primary connector");
35 case SECONDARY_CONNECTOR:
36 if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
37 return sprintf(buf, "%s\n", "secondary connector+");
39 return sprintf(buf, "%s\n", "secondary connector");
41 return sprintf(buf, "%s\n", "no");
45 static ssize_t qeth_l3_dev_route4_show(struct device *dev,
46 struct device_attribute *attr, char *buf)
48 struct qeth_card *card = dev_get_drvdata(dev);
53 return qeth_l3_dev_route_show(card, &card->options.route4, buf);
56 static ssize_t qeth_l3_dev_route_store(struct qeth_card *card,
57 struct qeth_routing_info *route, enum qeth_prot_versions prot,
58 const char *buf, size_t count)
60 enum qeth_routing_types old_route_type = route->type;
63 mutex_lock(&card->conf_mutex);
64 if (sysfs_streq(buf, "no_router")) {
65 route->type = NO_ROUTER;
66 } else if (sysfs_streq(buf, "primary_connector")) {
67 route->type = PRIMARY_CONNECTOR;
68 } else if (sysfs_streq(buf, "secondary_connector")) {
69 route->type = SECONDARY_CONNECTOR;
70 } else if (sysfs_streq(buf, "primary_router")) {
71 route->type = PRIMARY_ROUTER;
72 } else if (sysfs_streq(buf, "secondary_router")) {
73 route->type = SECONDARY_ROUTER;
74 } else if (sysfs_streq(buf, "multicast_router")) {
75 route->type = MULTICAST_ROUTER;
80 if (qeth_card_hw_is_reachable(card) &&
81 (old_route_type != route->type)) {
82 if (prot == QETH_PROT_IPV4)
83 rc = qeth_l3_setrouting_v4(card);
84 else if (prot == QETH_PROT_IPV6)
85 rc = qeth_l3_setrouting_v6(card);
89 route->type = old_route_type;
90 mutex_unlock(&card->conf_mutex);
91 return rc ? rc : count;
94 static ssize_t qeth_l3_dev_route4_store(struct device *dev,
95 struct device_attribute *attr, const char *buf, size_t count)
97 struct qeth_card *card = dev_get_drvdata(dev);
102 return qeth_l3_dev_route_store(card, &card->options.route4,
103 QETH_PROT_IPV4, buf, count);
106 static DEVICE_ATTR(route4, 0644, qeth_l3_dev_route4_show,
107 qeth_l3_dev_route4_store);
109 static ssize_t qeth_l3_dev_route6_show(struct device *dev,
110 struct device_attribute *attr, char *buf)
112 struct qeth_card *card = dev_get_drvdata(dev);
117 return qeth_l3_dev_route_show(card, &card->options.route6, buf);
120 static ssize_t qeth_l3_dev_route6_store(struct device *dev,
121 struct device_attribute *attr, const char *buf, size_t count)
123 struct qeth_card *card = dev_get_drvdata(dev);
128 return qeth_l3_dev_route_store(card, &card->options.route6,
129 QETH_PROT_IPV6, buf, count);
132 static DEVICE_ATTR(route6, 0644, qeth_l3_dev_route6_show,
133 qeth_l3_dev_route6_store);
135 static ssize_t qeth_l3_dev_fake_broadcast_show(struct device *dev,
136 struct device_attribute *attr, char *buf)
138 struct qeth_card *card = dev_get_drvdata(dev);
143 return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
146 static ssize_t qeth_l3_dev_fake_broadcast_store(struct device *dev,
147 struct device_attribute *attr, const char *buf, size_t count)
149 struct qeth_card *card = dev_get_drvdata(dev);
156 mutex_lock(&card->conf_mutex);
157 if ((card->state != CARD_STATE_DOWN) &&
158 (card->state != CARD_STATE_RECOVER)) {
163 i = simple_strtoul(buf, &tmp, 16);
164 if ((i == 0) || (i == 1))
165 card->options.fake_broadcast = i;
169 mutex_unlock(&card->conf_mutex);
170 return rc ? rc : count;
173 static DEVICE_ATTR(fake_broadcast, 0644, qeth_l3_dev_fake_broadcast_show,
174 qeth_l3_dev_fake_broadcast_store);
176 static ssize_t qeth_l3_dev_sniffer_show(struct device *dev,
177 struct device_attribute *attr, char *buf)
179 struct qeth_card *card = dev_get_drvdata(dev);
184 return sprintf(buf, "%i\n", card->options.sniffer ? 1 : 0);
187 static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
188 struct device_attribute *attr, const char *buf, size_t count)
190 struct qeth_card *card = dev_get_drvdata(dev);
197 if (card->info.type != QETH_CARD_TYPE_IQD)
199 if (card->options.cq == QETH_CQ_ENABLED)
202 mutex_lock(&card->conf_mutex);
203 if ((card->state != CARD_STATE_DOWN) &&
204 (card->state != CARD_STATE_RECOVER)) {
209 rc = kstrtoul(buf, 16, &i);
216 card->options.sniffer = i;
219 qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
220 if (card->ssqd.qdioac2 & QETH_SNIFF_AVAIL) {
221 card->options.sniffer = i;
222 if (card->qdio.init_pool.buf_count !=
223 QETH_IN_BUF_COUNT_MAX)
224 qeth_realloc_buffer_pool(card,
225 QETH_IN_BUF_COUNT_MAX);
233 mutex_unlock(&card->conf_mutex);
234 return rc ? rc : count;
237 static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
238 qeth_l3_dev_sniffer_store);
241 static ssize_t qeth_l3_dev_hsuid_show(struct device *dev,
242 struct device_attribute *attr, char *buf)
244 struct qeth_card *card = dev_get_drvdata(dev);
250 if (card->info.type != QETH_CARD_TYPE_IQD)
253 memcpy(tmp_hsuid, card->options.hsuid, sizeof(tmp_hsuid));
254 EBCASC(tmp_hsuid, 8);
255 return sprintf(buf, "%s\n", tmp_hsuid);
258 static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
259 struct device_attribute *attr, const char *buf, size_t count)
261 struct qeth_card *card = dev_get_drvdata(dev);
262 struct qeth_ipaddr *addr;
269 if (card->info.type != QETH_CARD_TYPE_IQD)
271 if (card->state != CARD_STATE_DOWN &&
272 card->state != CARD_STATE_RECOVER)
274 if (card->options.sniffer)
276 if (card->options.cq == QETH_CQ_NOTAVAILABLE)
279 tmp = strsep((char **)&buf, "\n");
283 if (card->options.hsuid[0]) {
284 /* delete old ip address */
285 addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
289 addr->u.a6.addr.s6_addr32[0] = cpu_to_be32(0xfe800000);
290 addr->u.a6.addr.s6_addr32[1] = 0x00000000;
291 for (i = 8; i < 16; i++)
292 addr->u.a6.addr.s6_addr[i] =
293 card->options.hsuid[i - 8];
294 addr->u.a6.pfxlen = 0;
295 addr->type = QETH_IP_TYPE_NORMAL;
297 spin_lock_bh(&card->ip_lock);
298 qeth_l3_delete_ip(card, addr);
299 spin_unlock_bh(&card->ip_lock);
303 if (strlen(tmp) == 0) {
304 /* delete ip address only */
305 card->options.hsuid[0] = '\0';
307 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
308 qeth_configure_cq(card, QETH_CQ_DISABLED);
312 if (qeth_configure_cq(card, QETH_CQ_ENABLED))
315 snprintf(card->options.hsuid, sizeof(card->options.hsuid),
317 ASCEBC(card->options.hsuid, 8);
319 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
321 addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
323 addr->u.a6.addr.s6_addr32[0] = cpu_to_be32(0xfe800000);
324 addr->u.a6.addr.s6_addr32[1] = 0x00000000;
325 for (i = 8; i < 16; i++)
326 addr->u.a6.addr.s6_addr[i] = card->options.hsuid[i - 8];
327 addr->u.a6.pfxlen = 0;
328 addr->type = QETH_IP_TYPE_NORMAL;
332 spin_lock_bh(&card->ip_lock);
333 qeth_l3_add_ip(card, addr);
334 spin_unlock_bh(&card->ip_lock);
340 static DEVICE_ATTR(hsuid, 0644, qeth_l3_dev_hsuid_show,
341 qeth_l3_dev_hsuid_store);
344 static struct attribute *qeth_l3_device_attrs[] = {
345 &dev_attr_route4.attr,
346 &dev_attr_route6.attr,
347 &dev_attr_fake_broadcast.attr,
348 &dev_attr_sniffer.attr,
349 &dev_attr_hsuid.attr,
353 static struct attribute_group qeth_l3_device_attr_group = {
354 .attrs = qeth_l3_device_attrs,
357 static ssize_t qeth_l3_dev_ipato_enable_show(struct device *dev,
358 struct device_attribute *attr, char *buf)
360 struct qeth_card *card = dev_get_drvdata(dev);
365 return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
368 static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
369 struct device_attribute *attr, const char *buf, size_t count)
371 struct qeth_card *card = dev_get_drvdata(dev);
372 struct qeth_ipaddr *addr;
378 mutex_lock(&card->conf_mutex);
379 if ((card->state != CARD_STATE_DOWN) &&
380 (card->state != CARD_STATE_RECOVER)) {
385 if (sysfs_streq(buf, "toggle")) {
386 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
387 } else if (sysfs_streq(buf, "1")) {
388 card->ipato.enabled = 1;
389 hash_for_each(card->ip_htable, i, addr, hnode) {
390 if ((addr->type == QETH_IP_TYPE_NORMAL) &&
391 qeth_l3_is_addr_covered_by_ipato(card, addr))
393 QETH_IPA_SETIP_TAKEOVER_FLAG;
395 } else if (sysfs_streq(buf, "0")) {
396 card->ipato.enabled = 0;
397 hash_for_each(card->ip_htable, i, addr, hnode) {
398 if (addr->set_flags &
399 QETH_IPA_SETIP_TAKEOVER_FLAG)
401 ~QETH_IPA_SETIP_TAKEOVER_FLAG;
406 mutex_unlock(&card->conf_mutex);
407 return rc ? rc : count;
410 static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
411 qeth_l3_dev_ipato_enable_show,
412 qeth_l3_dev_ipato_enable_store);
414 static ssize_t qeth_l3_dev_ipato_invert4_show(struct device *dev,
415 struct device_attribute *attr, char *buf)
417 struct qeth_card *card = dev_get_drvdata(dev);
422 return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
425 static ssize_t qeth_l3_dev_ipato_invert4_store(struct device *dev,
426 struct device_attribute *attr,
427 const char *buf, size_t count)
429 struct qeth_card *card = dev_get_drvdata(dev);
435 mutex_lock(&card->conf_mutex);
436 if (sysfs_streq(buf, "toggle"))
437 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
438 else if (sysfs_streq(buf, "1"))
439 card->ipato.invert4 = 1;
440 else if (sysfs_streq(buf, "0"))
441 card->ipato.invert4 = 0;
444 mutex_unlock(&card->conf_mutex);
445 return rc ? rc : count;
448 static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
449 qeth_l3_dev_ipato_invert4_show,
450 qeth_l3_dev_ipato_invert4_store);
452 static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
453 enum qeth_prot_versions proto)
455 struct qeth_ipato_entry *ipatoe;
457 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
460 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
461 /* add strlen for "/<mask>\n" */
462 entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
463 spin_lock_bh(&card->ip_lock);
464 list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
465 if (ipatoe->proto != proto)
467 /* String must not be longer than PAGE_SIZE. So we check if
468 * string length gets near PAGE_SIZE. Then we can savely display
469 * the next IPv6 address (worst case, compared to IPv4) */
470 if ((PAGE_SIZE - i) <= entry_len)
472 qeth_l3_ipaddr_to_string(proto, ipatoe->addr, addr_str);
473 i += snprintf(buf + i, PAGE_SIZE - i,
474 "%s/%i\n", addr_str, ipatoe->mask_bits);
476 spin_unlock_bh(&card->ip_lock);
477 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
482 static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev,
483 struct device_attribute *attr, char *buf)
485 struct qeth_card *card = dev_get_drvdata(dev);
490 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
493 static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto,
494 u8 *addr, int *mask_bits)
496 const char *start, *end;
498 char buffer[40] = {0, };
501 /* get address string */
502 end = strchr(start, '/');
503 if (!end || (end - start >= 40)) {
506 strncpy(buffer, start, end - start);
507 if (qeth_l3_string_to_ipaddr(buffer, proto, addr)) {
511 *mask_bits = simple_strtoul(start, &tmp, 10);
512 if (!strlen(start) ||
514 (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) {
520 static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count,
521 struct qeth_card *card, enum qeth_prot_versions proto)
523 struct qeth_ipato_entry *ipatoe;
528 mutex_lock(&card->conf_mutex);
529 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
533 ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
538 ipatoe->proto = proto;
539 memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
540 ipatoe->mask_bits = mask_bits;
542 rc = qeth_l3_add_ipato_entry(card, ipatoe);
546 mutex_unlock(&card->conf_mutex);
547 return rc ? rc : count;
550 static ssize_t qeth_l3_dev_ipato_add4_store(struct device *dev,
551 struct device_attribute *attr, const char *buf, size_t count)
553 struct qeth_card *card = dev_get_drvdata(dev);
558 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
561 static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
562 qeth_l3_dev_ipato_add4_show,
563 qeth_l3_dev_ipato_add4_store);
565 static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
566 struct qeth_card *card, enum qeth_prot_versions proto)
572 mutex_lock(&card->conf_mutex);
573 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
575 qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
576 mutex_unlock(&card->conf_mutex);
577 return rc ? rc : count;
580 static ssize_t qeth_l3_dev_ipato_del4_store(struct device *dev,
581 struct device_attribute *attr, const char *buf, size_t count)
583 struct qeth_card *card = dev_get_drvdata(dev);
588 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
591 static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
592 qeth_l3_dev_ipato_del4_store);
594 static ssize_t qeth_l3_dev_ipato_invert6_show(struct device *dev,
595 struct device_attribute *attr, char *buf)
597 struct qeth_card *card = dev_get_drvdata(dev);
602 return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
605 static ssize_t qeth_l3_dev_ipato_invert6_store(struct device *dev,
606 struct device_attribute *attr, const char *buf, size_t count)
608 struct qeth_card *card = dev_get_drvdata(dev);
614 mutex_lock(&card->conf_mutex);
615 if (sysfs_streq(buf, "toggle"))
616 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
617 else if (sysfs_streq(buf, "1"))
618 card->ipato.invert6 = 1;
619 else if (sysfs_streq(buf, "0"))
620 card->ipato.invert6 = 0;
623 mutex_unlock(&card->conf_mutex);
624 return rc ? rc : count;
627 static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
628 qeth_l3_dev_ipato_invert6_show,
629 qeth_l3_dev_ipato_invert6_store);
632 static ssize_t qeth_l3_dev_ipato_add6_show(struct device *dev,
633 struct device_attribute *attr, char *buf)
635 struct qeth_card *card = dev_get_drvdata(dev);
640 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
643 static ssize_t qeth_l3_dev_ipato_add6_store(struct device *dev,
644 struct device_attribute *attr, const char *buf, size_t count)
646 struct qeth_card *card = dev_get_drvdata(dev);
651 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
654 static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
655 qeth_l3_dev_ipato_add6_show,
656 qeth_l3_dev_ipato_add6_store);
658 static ssize_t qeth_l3_dev_ipato_del6_store(struct device *dev,
659 struct device_attribute *attr, const char *buf, size_t count)
661 struct qeth_card *card = dev_get_drvdata(dev);
666 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
669 static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
670 qeth_l3_dev_ipato_del6_store);
672 static struct attribute *qeth_ipato_device_attrs[] = {
673 &dev_attr_ipato_enable.attr,
674 &dev_attr_ipato_invert4.attr,
675 &dev_attr_ipato_add4.attr,
676 &dev_attr_ipato_del4.attr,
677 &dev_attr_ipato_invert6.attr,
678 &dev_attr_ipato_add6.attr,
679 &dev_attr_ipato_del6.attr,
683 static struct attribute_group qeth_device_ipato_group = {
684 .name = "ipa_takeover",
685 .attrs = qeth_ipato_device_attrs,
688 static ssize_t qeth_l3_dev_vipa_add_show(char *buf, struct qeth_card *card,
689 enum qeth_prot_versions proto)
691 struct qeth_ipaddr *ipaddr;
694 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
697 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
698 entry_len += 2; /* \n + terminator */
699 spin_lock_bh(&card->ip_lock);
700 hash_for_each(card->ip_htable, i, ipaddr, hnode) {
701 if (ipaddr->proto != proto)
703 if (ipaddr->type != QETH_IP_TYPE_VIPA)
705 /* String must not be longer than PAGE_SIZE. So we check if
706 * string length gets near PAGE_SIZE. Then we can savely display
707 * the next IPv6 address (worst case, compared to IPv4) */
708 if ((PAGE_SIZE - str_len) <= entry_len)
710 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
712 str_len += snprintf(buf + str_len, PAGE_SIZE - str_len, "%s\n",
715 spin_unlock_bh(&card->ip_lock);
716 str_len += snprintf(buf + str_len, PAGE_SIZE - str_len, "\n");
721 static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
722 struct device_attribute *attr, char *buf)
724 struct qeth_card *card = dev_get_drvdata(dev);
729 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
732 static int qeth_l3_parse_vipae(const char *buf, enum qeth_prot_versions proto,
735 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
741 static ssize_t qeth_l3_dev_vipa_add_store(const char *buf, size_t count,
742 struct qeth_card *card, enum qeth_prot_versions proto)
747 mutex_lock(&card->conf_mutex);
748 rc = qeth_l3_parse_vipae(buf, proto, addr);
750 rc = qeth_l3_add_vipa(card, proto, addr);
751 mutex_unlock(&card->conf_mutex);
752 return rc ? rc : count;
755 static ssize_t qeth_l3_dev_vipa_add4_store(struct device *dev,
756 struct device_attribute *attr, const char *buf, size_t count)
758 struct qeth_card *card = dev_get_drvdata(dev);
763 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
766 static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
767 qeth_l3_dev_vipa_add4_show,
768 qeth_l3_dev_vipa_add4_store);
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)
776 mutex_lock(&card->conf_mutex);
777 rc = qeth_l3_parse_vipae(buf, proto, addr);
779 qeth_l3_del_vipa(card, proto, addr);
780 mutex_unlock(&card->conf_mutex);
781 return rc ? rc : count;
784 static ssize_t qeth_l3_dev_vipa_del4_store(struct device *dev,
785 struct device_attribute *attr, const char *buf, size_t count)
787 struct qeth_card *card = dev_get_drvdata(dev);
792 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
795 static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
796 qeth_l3_dev_vipa_del4_store);
798 static ssize_t qeth_l3_dev_vipa_add6_show(struct device *dev,
799 struct device_attribute *attr, char *buf)
801 struct qeth_card *card = dev_get_drvdata(dev);
806 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
809 static ssize_t qeth_l3_dev_vipa_add6_store(struct device *dev,
810 struct device_attribute *attr, const char *buf, size_t count)
812 struct qeth_card *card = dev_get_drvdata(dev);
817 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
820 static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
821 qeth_l3_dev_vipa_add6_show,
822 qeth_l3_dev_vipa_add6_store);
824 static ssize_t qeth_l3_dev_vipa_del6_store(struct device *dev,
825 struct device_attribute *attr, const char *buf, size_t count)
827 struct qeth_card *card = dev_get_drvdata(dev);
832 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
835 static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
836 qeth_l3_dev_vipa_del6_store);
838 static struct attribute *qeth_vipa_device_attrs[] = {
839 &dev_attr_vipa_add4.attr,
840 &dev_attr_vipa_del4.attr,
841 &dev_attr_vipa_add6.attr,
842 &dev_attr_vipa_del6.attr,
846 static struct attribute_group qeth_device_vipa_group = {
848 .attrs = qeth_vipa_device_attrs,
851 static ssize_t qeth_l3_dev_rxip_add_show(char *buf, struct qeth_card *card,
852 enum qeth_prot_versions proto)
854 struct qeth_ipaddr *ipaddr;
857 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
860 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
861 entry_len += 2; /* \n + terminator */
862 spin_lock_bh(&card->ip_lock);
863 hash_for_each(card->ip_htable, i, ipaddr, hnode) {
864 if (ipaddr->proto != proto)
866 if (ipaddr->type != QETH_IP_TYPE_RXIP)
868 /* String must not be longer than PAGE_SIZE. So we check if
869 * string length gets near PAGE_SIZE. Then we can savely display
870 * the next IPv6 address (worst case, compared to IPv4) */
871 if ((PAGE_SIZE - str_len) <= entry_len)
873 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
875 str_len += snprintf(buf + str_len, PAGE_SIZE - str_len, "%s\n",
878 spin_unlock_bh(&card->ip_lock);
879 str_len += snprintf(buf + str_len, PAGE_SIZE - str_len, "\n");
884 static ssize_t qeth_l3_dev_rxip_add4_show(struct device *dev,
885 struct device_attribute *attr, char *buf)
887 struct qeth_card *card = dev_get_drvdata(dev);
892 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
895 static int qeth_l3_parse_rxipe(const char *buf, enum qeth_prot_versions proto,
898 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
904 static ssize_t qeth_l3_dev_rxip_add_store(const char *buf, size_t count,
905 struct qeth_card *card, enum qeth_prot_versions proto)
910 mutex_lock(&card->conf_mutex);
911 rc = qeth_l3_parse_rxipe(buf, proto, addr);
913 rc = qeth_l3_add_rxip(card, proto, addr);
914 mutex_unlock(&card->conf_mutex);
915 return rc ? rc : count;
918 static ssize_t qeth_l3_dev_rxip_add4_store(struct device *dev,
919 struct device_attribute *attr, const char *buf, size_t count)
921 struct qeth_card *card = dev_get_drvdata(dev);
926 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
929 static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
930 qeth_l3_dev_rxip_add4_show,
931 qeth_l3_dev_rxip_add4_store);
933 static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
934 struct qeth_card *card, enum qeth_prot_versions proto)
939 mutex_lock(&card->conf_mutex);
940 rc = qeth_l3_parse_rxipe(buf, proto, addr);
942 qeth_l3_del_rxip(card, proto, addr);
943 mutex_unlock(&card->conf_mutex);
944 return rc ? rc : count;
947 static ssize_t qeth_l3_dev_rxip_del4_store(struct device *dev,
948 struct device_attribute *attr, const char *buf, size_t count)
950 struct qeth_card *card = dev_get_drvdata(dev);
955 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
958 static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
959 qeth_l3_dev_rxip_del4_store);
961 static ssize_t qeth_l3_dev_rxip_add6_show(struct device *dev,
962 struct device_attribute *attr, char *buf)
964 struct qeth_card *card = dev_get_drvdata(dev);
969 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
972 static ssize_t qeth_l3_dev_rxip_add6_store(struct device *dev,
973 struct device_attribute *attr, const char *buf, size_t count)
975 struct qeth_card *card = dev_get_drvdata(dev);
980 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
983 static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
984 qeth_l3_dev_rxip_add6_show,
985 qeth_l3_dev_rxip_add6_store);
987 static ssize_t qeth_l3_dev_rxip_del6_store(struct device *dev,
988 struct device_attribute *attr, const char *buf, size_t count)
990 struct qeth_card *card = dev_get_drvdata(dev);
995 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
998 static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
999 qeth_l3_dev_rxip_del6_store);
1001 static struct attribute *qeth_rxip_device_attrs[] = {
1002 &dev_attr_rxip_add4.attr,
1003 &dev_attr_rxip_del4.attr,
1004 &dev_attr_rxip_add6.attr,
1005 &dev_attr_rxip_del6.attr,
1009 static struct attribute_group qeth_device_rxip_group = {
1011 .attrs = qeth_rxip_device_attrs,
1014 int qeth_l3_create_device_attributes(struct device *dev)
1018 ret = sysfs_create_group(&dev->kobj, &qeth_l3_device_attr_group);
1022 ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group);
1024 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1028 ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group);
1030 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1031 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1035 ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group);
1037 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1038 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1039 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1045 void qeth_l3_remove_device_attributes(struct device *dev)
1047 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1048 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1049 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1050 sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
1053 const struct attribute_group *qeth_l3_attr_groups[] = {
1054 &qeth_device_attr_group,
1055 &qeth_device_blkt_group,
1056 /* l3 specific, see l3_{create,remove}_device_attributes(): */
1057 &qeth_l3_device_attr_group,
1058 &qeth_device_ipato_group,
1059 &qeth_device_vipa_group,
1060 &qeth_device_rxip_group,