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 if (card->state == CARD_STATE_DOWN)
256 memcpy(tmp_hsuid, card->options.hsuid, sizeof(tmp_hsuid));
257 EBCASC(tmp_hsuid, 8);
258 return sprintf(buf, "%s\n", tmp_hsuid);
261 static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
262 struct device_attribute *attr, const char *buf, size_t count)
264 struct qeth_card *card = dev_get_drvdata(dev);
265 struct qeth_ipaddr *addr;
272 if (card->info.type != QETH_CARD_TYPE_IQD)
274 if (card->state != CARD_STATE_DOWN &&
275 card->state != CARD_STATE_RECOVER)
277 if (card->options.sniffer)
279 if (card->options.cq == QETH_CQ_NOTAVAILABLE)
282 tmp = strsep((char **)&buf, "\n");
286 if (card->options.hsuid[0]) {
287 /* delete old ip address */
288 addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
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;
300 spin_lock_bh(&card->ip_lock);
301 qeth_l3_delete_ip(card, addr);
302 spin_unlock_bh(&card->ip_lock);
306 if (strlen(tmp) == 0) {
307 /* delete ip address only */
308 card->options.hsuid[0] = '\0';
310 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
311 qeth_configure_cq(card, QETH_CQ_DISABLED);
315 if (qeth_configure_cq(card, QETH_CQ_ENABLED))
318 snprintf(card->options.hsuid, sizeof(card->options.hsuid),
320 ASCEBC(card->options.hsuid, 8);
322 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
324 addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
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;
335 spin_lock_bh(&card->ip_lock);
336 qeth_l3_add_ip(card, addr);
337 spin_unlock_bh(&card->ip_lock);
343 static DEVICE_ATTR(hsuid, 0644, qeth_l3_dev_hsuid_show,
344 qeth_l3_dev_hsuid_store);
347 static struct attribute *qeth_l3_device_attrs[] = {
348 &dev_attr_route4.attr,
349 &dev_attr_route6.attr,
350 &dev_attr_fake_broadcast.attr,
351 &dev_attr_sniffer.attr,
352 &dev_attr_hsuid.attr,
356 static struct attribute_group qeth_l3_device_attr_group = {
357 .attrs = qeth_l3_device_attrs,
360 static ssize_t qeth_l3_dev_ipato_enable_show(struct device *dev,
361 struct device_attribute *attr, char *buf)
363 struct qeth_card *card = dev_get_drvdata(dev);
368 return sprintf(buf, "%i\n", card->ipato.enabled? 1:0);
371 static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
372 struct device_attribute *attr, const char *buf, size_t count)
374 struct qeth_card *card = dev_get_drvdata(dev);
375 struct qeth_ipaddr *addr;
381 mutex_lock(&card->conf_mutex);
382 if ((card->state != CARD_STATE_DOWN) &&
383 (card->state != CARD_STATE_RECOVER)) {
388 if (sysfs_streq(buf, "toggle")) {
389 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
390 } else if (sysfs_streq(buf, "1")) {
391 card->ipato.enabled = 1;
392 hash_for_each(card->ip_htable, i, addr, hnode) {
393 if ((addr->type == QETH_IP_TYPE_NORMAL) &&
394 qeth_l3_is_addr_covered_by_ipato(card, addr))
396 QETH_IPA_SETIP_TAKEOVER_FLAG;
398 } else if (sysfs_streq(buf, "0")) {
399 card->ipato.enabled = 0;
400 hash_for_each(card->ip_htable, i, addr, hnode) {
401 if (addr->set_flags &
402 QETH_IPA_SETIP_TAKEOVER_FLAG)
404 ~QETH_IPA_SETIP_TAKEOVER_FLAG;
409 mutex_unlock(&card->conf_mutex);
410 return rc ? rc : count;
413 static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
414 qeth_l3_dev_ipato_enable_show,
415 qeth_l3_dev_ipato_enable_store);
417 static ssize_t qeth_l3_dev_ipato_invert4_show(struct device *dev,
418 struct device_attribute *attr, char *buf)
420 struct qeth_card *card = dev_get_drvdata(dev);
425 return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
428 static ssize_t qeth_l3_dev_ipato_invert4_store(struct device *dev,
429 struct device_attribute *attr,
430 const char *buf, size_t count)
432 struct qeth_card *card = dev_get_drvdata(dev);
438 mutex_lock(&card->conf_mutex);
439 if (sysfs_streq(buf, "toggle"))
440 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
441 else if (sysfs_streq(buf, "1"))
442 card->ipato.invert4 = 1;
443 else if (sysfs_streq(buf, "0"))
444 card->ipato.invert4 = 0;
447 mutex_unlock(&card->conf_mutex);
448 return rc ? rc : count;
451 static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
452 qeth_l3_dev_ipato_invert4_show,
453 qeth_l3_dev_ipato_invert4_store);
455 static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
456 enum qeth_prot_versions proto)
458 struct qeth_ipato_entry *ipatoe;
460 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
463 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
464 /* add strlen for "/<mask>\n" */
465 entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
466 spin_lock_bh(&card->ip_lock);
467 list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
468 if (ipatoe->proto != proto)
470 /* String must not be longer than PAGE_SIZE. So we check if
471 * string length gets near PAGE_SIZE. Then we can savely display
472 * the next IPv6 address (worst case, compared to IPv4) */
473 if ((PAGE_SIZE - i) <= entry_len)
475 qeth_l3_ipaddr_to_string(proto, ipatoe->addr, addr_str);
476 i += snprintf(buf + i, PAGE_SIZE - i,
477 "%s/%i\n", addr_str, ipatoe->mask_bits);
479 spin_unlock_bh(&card->ip_lock);
480 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
485 static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev,
486 struct device_attribute *attr, char *buf)
488 struct qeth_card *card = dev_get_drvdata(dev);
493 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
496 static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto,
497 u8 *addr, int *mask_bits)
499 const char *start, *end;
501 char buffer[40] = {0, };
504 /* get address string */
505 end = strchr(start, '/');
506 if (!end || (end - start >= 40)) {
509 strncpy(buffer, start, end - start);
510 if (qeth_l3_string_to_ipaddr(buffer, proto, addr)) {
514 *mask_bits = simple_strtoul(start, &tmp, 10);
515 if (!strlen(start) ||
517 (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) {
523 static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count,
524 struct qeth_card *card, enum qeth_prot_versions proto)
526 struct qeth_ipato_entry *ipatoe;
531 mutex_lock(&card->conf_mutex);
532 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
536 ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
541 ipatoe->proto = proto;
542 memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
543 ipatoe->mask_bits = mask_bits;
545 rc = qeth_l3_add_ipato_entry(card, ipatoe);
549 mutex_unlock(&card->conf_mutex);
550 return rc ? rc : count;
553 static ssize_t qeth_l3_dev_ipato_add4_store(struct device *dev,
554 struct device_attribute *attr, const char *buf, size_t count)
556 struct qeth_card *card = dev_get_drvdata(dev);
561 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
564 static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
565 qeth_l3_dev_ipato_add4_show,
566 qeth_l3_dev_ipato_add4_store);
568 static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
569 struct qeth_card *card, enum qeth_prot_versions proto)
575 mutex_lock(&card->conf_mutex);
576 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
578 qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
579 mutex_unlock(&card->conf_mutex);
580 return rc ? rc : count;
583 static ssize_t qeth_l3_dev_ipato_del4_store(struct device *dev,
584 struct device_attribute *attr, const char *buf, size_t count)
586 struct qeth_card *card = dev_get_drvdata(dev);
591 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
594 static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
595 qeth_l3_dev_ipato_del4_store);
597 static ssize_t qeth_l3_dev_ipato_invert6_show(struct device *dev,
598 struct device_attribute *attr, char *buf)
600 struct qeth_card *card = dev_get_drvdata(dev);
605 return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
608 static ssize_t qeth_l3_dev_ipato_invert6_store(struct device *dev,
609 struct device_attribute *attr, const char *buf, size_t count)
611 struct qeth_card *card = dev_get_drvdata(dev);
617 mutex_lock(&card->conf_mutex);
618 if (sysfs_streq(buf, "toggle"))
619 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
620 else if (sysfs_streq(buf, "1"))
621 card->ipato.invert6 = 1;
622 else if (sysfs_streq(buf, "0"))
623 card->ipato.invert6 = 0;
626 mutex_unlock(&card->conf_mutex);
627 return rc ? rc : count;
630 static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
631 qeth_l3_dev_ipato_invert6_show,
632 qeth_l3_dev_ipato_invert6_store);
635 static ssize_t qeth_l3_dev_ipato_add6_show(struct device *dev,
636 struct device_attribute *attr, char *buf)
638 struct qeth_card *card = dev_get_drvdata(dev);
643 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
646 static ssize_t qeth_l3_dev_ipato_add6_store(struct device *dev,
647 struct device_attribute *attr, const char *buf, size_t count)
649 struct qeth_card *card = dev_get_drvdata(dev);
654 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
657 static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
658 qeth_l3_dev_ipato_add6_show,
659 qeth_l3_dev_ipato_add6_store);
661 static ssize_t qeth_l3_dev_ipato_del6_store(struct device *dev,
662 struct device_attribute *attr, const char *buf, size_t count)
664 struct qeth_card *card = dev_get_drvdata(dev);
669 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
672 static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
673 qeth_l3_dev_ipato_del6_store);
675 static struct attribute *qeth_ipato_device_attrs[] = {
676 &dev_attr_ipato_enable.attr,
677 &dev_attr_ipato_invert4.attr,
678 &dev_attr_ipato_add4.attr,
679 &dev_attr_ipato_del4.attr,
680 &dev_attr_ipato_invert6.attr,
681 &dev_attr_ipato_add6.attr,
682 &dev_attr_ipato_del6.attr,
686 static struct attribute_group qeth_device_ipato_group = {
687 .name = "ipa_takeover",
688 .attrs = qeth_ipato_device_attrs,
691 static ssize_t qeth_l3_dev_vipa_add_show(char *buf, struct qeth_card *card,
692 enum qeth_prot_versions proto)
694 struct qeth_ipaddr *ipaddr;
695 struct hlist_node *tmp;
697 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
700 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
701 entry_len += 2; /* \n + terminator */
702 spin_lock_bh(&card->ip_lock);
703 hash_for_each_safe(card->ip_htable, i, tmp, ipaddr, hnode) {
704 if (ipaddr->proto != proto)
706 if (ipaddr->type != QETH_IP_TYPE_VIPA)
708 /* String must not be longer than PAGE_SIZE. So we check if
709 * string length gets near PAGE_SIZE. Then we can savely display
710 * the next IPv6 address (worst case, compared to IPv4) */
711 if ((PAGE_SIZE - i) <= entry_len)
713 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
715 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
717 spin_unlock_bh(&card->ip_lock);
718 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
723 static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
724 struct device_attribute *attr, char *buf)
726 struct qeth_card *card = dev_get_drvdata(dev);
731 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
734 static int qeth_l3_parse_vipae(const char *buf, enum qeth_prot_versions proto,
737 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
743 static ssize_t qeth_l3_dev_vipa_add_store(const char *buf, size_t count,
744 struct qeth_card *card, enum qeth_prot_versions proto)
749 mutex_lock(&card->conf_mutex);
750 rc = qeth_l3_parse_vipae(buf, proto, addr);
752 rc = qeth_l3_add_vipa(card, proto, addr);
753 mutex_unlock(&card->conf_mutex);
754 return rc ? rc : count;
757 static ssize_t qeth_l3_dev_vipa_add4_store(struct device *dev,
758 struct device_attribute *attr, const char *buf, size_t count)
760 struct qeth_card *card = dev_get_drvdata(dev);
765 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
768 static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
769 qeth_l3_dev_vipa_add4_show,
770 qeth_l3_dev_vipa_add4_store);
772 static ssize_t qeth_l3_dev_vipa_del_store(const char *buf, size_t count,
773 struct qeth_card *card, enum qeth_prot_versions proto)
778 mutex_lock(&card->conf_mutex);
779 rc = qeth_l3_parse_vipae(buf, proto, addr);
781 qeth_l3_del_vipa(card, proto, addr);
782 mutex_unlock(&card->conf_mutex);
783 return rc ? rc : count;
786 static ssize_t qeth_l3_dev_vipa_del4_store(struct device *dev,
787 struct device_attribute *attr, const char *buf, size_t count)
789 struct qeth_card *card = dev_get_drvdata(dev);
794 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
797 static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
798 qeth_l3_dev_vipa_del4_store);
800 static ssize_t qeth_l3_dev_vipa_add6_show(struct device *dev,
801 struct device_attribute *attr, char *buf)
803 struct qeth_card *card = dev_get_drvdata(dev);
808 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
811 static ssize_t qeth_l3_dev_vipa_add6_store(struct device *dev,
812 struct device_attribute *attr, const char *buf, size_t count)
814 struct qeth_card *card = dev_get_drvdata(dev);
819 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
822 static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
823 qeth_l3_dev_vipa_add6_show,
824 qeth_l3_dev_vipa_add6_store);
826 static ssize_t qeth_l3_dev_vipa_del6_store(struct device *dev,
827 struct device_attribute *attr, const char *buf, size_t count)
829 struct qeth_card *card = dev_get_drvdata(dev);
834 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
837 static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
838 qeth_l3_dev_vipa_del6_store);
840 static struct attribute *qeth_vipa_device_attrs[] = {
841 &dev_attr_vipa_add4.attr,
842 &dev_attr_vipa_del4.attr,
843 &dev_attr_vipa_add6.attr,
844 &dev_attr_vipa_del6.attr,
848 static struct attribute_group qeth_device_vipa_group = {
850 .attrs = qeth_vipa_device_attrs,
853 static ssize_t qeth_l3_dev_rxip_add_show(char *buf, struct qeth_card *card,
854 enum qeth_prot_versions proto)
856 struct qeth_ipaddr *ipaddr;
857 struct hlist_node *tmp;
859 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
862 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
863 entry_len += 2; /* \n + terminator */
864 spin_lock_bh(&card->ip_lock);
865 hash_for_each_safe(card->ip_htable, i, tmp, ipaddr, hnode) {
866 if (ipaddr->proto != proto)
868 if (ipaddr->type != QETH_IP_TYPE_RXIP)
870 /* String must not be longer than PAGE_SIZE. So we check if
871 * string length gets near PAGE_SIZE. Then we can savely display
872 * the next IPv6 address (worst case, compared to IPv4) */
873 if ((PAGE_SIZE - i) <= entry_len)
875 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
877 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
879 spin_unlock_bh(&card->ip_lock);
880 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
885 static ssize_t qeth_l3_dev_rxip_add4_show(struct device *dev,
886 struct device_attribute *attr, char *buf)
888 struct qeth_card *card = dev_get_drvdata(dev);
893 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
896 static int qeth_l3_parse_rxipe(const char *buf, enum qeth_prot_versions proto,
899 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
905 static ssize_t qeth_l3_dev_rxip_add_store(const char *buf, size_t count,
906 struct qeth_card *card, enum qeth_prot_versions proto)
911 mutex_lock(&card->conf_mutex);
912 rc = qeth_l3_parse_rxipe(buf, proto, addr);
914 rc = qeth_l3_add_rxip(card, proto, addr);
915 mutex_unlock(&card->conf_mutex);
916 return rc ? rc : count;
919 static ssize_t qeth_l3_dev_rxip_add4_store(struct device *dev,
920 struct device_attribute *attr, const char *buf, size_t count)
922 struct qeth_card *card = dev_get_drvdata(dev);
927 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
930 static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
931 qeth_l3_dev_rxip_add4_show,
932 qeth_l3_dev_rxip_add4_store);
934 static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
935 struct qeth_card *card, enum qeth_prot_versions proto)
940 mutex_lock(&card->conf_mutex);
941 rc = qeth_l3_parse_rxipe(buf, proto, addr);
943 qeth_l3_del_rxip(card, proto, addr);
944 mutex_unlock(&card->conf_mutex);
945 return rc ? rc : count;
948 static ssize_t qeth_l3_dev_rxip_del4_store(struct device *dev,
949 struct device_attribute *attr, const char *buf, size_t count)
951 struct qeth_card *card = dev_get_drvdata(dev);
956 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
959 static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
960 qeth_l3_dev_rxip_del4_store);
962 static ssize_t qeth_l3_dev_rxip_add6_show(struct device *dev,
963 struct device_attribute *attr, char *buf)
965 struct qeth_card *card = dev_get_drvdata(dev);
970 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
973 static ssize_t qeth_l3_dev_rxip_add6_store(struct device *dev,
974 struct device_attribute *attr, const char *buf, size_t count)
976 struct qeth_card *card = dev_get_drvdata(dev);
981 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
984 static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
985 qeth_l3_dev_rxip_add6_show,
986 qeth_l3_dev_rxip_add6_store);
988 static ssize_t qeth_l3_dev_rxip_del6_store(struct device *dev,
989 struct device_attribute *attr, const char *buf, size_t count)
991 struct qeth_card *card = dev_get_drvdata(dev);
996 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
999 static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
1000 qeth_l3_dev_rxip_del6_store);
1002 static struct attribute *qeth_rxip_device_attrs[] = {
1003 &dev_attr_rxip_add4.attr,
1004 &dev_attr_rxip_del4.attr,
1005 &dev_attr_rxip_add6.attr,
1006 &dev_attr_rxip_del6.attr,
1010 static struct attribute_group qeth_device_rxip_group = {
1012 .attrs = qeth_rxip_device_attrs,
1015 int qeth_l3_create_device_attributes(struct device *dev)
1019 ret = sysfs_create_group(&dev->kobj, &qeth_l3_device_attr_group);
1023 ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group);
1025 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1029 ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group);
1031 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1032 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1036 ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group);
1038 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1039 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1040 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1046 void qeth_l3_remove_device_attributes(struct device *dev)
1048 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1049 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1050 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1051 sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);