2 * drivers/s390/net/qeth_l3_sys.c
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>
11 #include <linux/slab.h>
12 #include <asm/ebcdic.h>
15 #define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \
16 struct device_attribute dev_attr_##_id = __ATTR(_name, _mode, _show, _store)
18 static ssize_t qeth_l3_dev_route_show(struct qeth_card *card,
19 struct qeth_routing_info *route, char *buf)
21 switch (route->type) {
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+");
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+");
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+");
40 return sprintf(buf, "%s\n", "secondary connector");
42 return sprintf(buf, "%s\n", "no");
46 static ssize_t qeth_l3_dev_route4_show(struct device *dev,
47 struct device_attribute *attr, char *buf)
49 struct qeth_card *card = dev_get_drvdata(dev);
54 return qeth_l3_dev_route_show(card, &card->options.route4, buf);
57 static 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)
61 enum qeth_routing_types old_route_type = route->type;
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;
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);
92 mutex_unlock(&card->conf_mutex);
93 return rc ? rc : count;
96 static ssize_t qeth_l3_dev_route4_store(struct device *dev,
97 struct device_attribute *attr, const char *buf, size_t count)
99 struct qeth_card *card = dev_get_drvdata(dev);
104 return qeth_l3_dev_route_store(card, &card->options.route4,
105 QETH_PROT_IPV4, buf, count);
108 static DEVICE_ATTR(route4, 0644, qeth_l3_dev_route4_show,
109 qeth_l3_dev_route4_store);
111 static ssize_t qeth_l3_dev_route6_show(struct device *dev,
112 struct device_attribute *attr, char *buf)
114 struct qeth_card *card = dev_get_drvdata(dev);
119 return qeth_l3_dev_route_show(card, &card->options.route6, buf);
122 static ssize_t qeth_l3_dev_route6_store(struct device *dev,
123 struct device_attribute *attr, const char *buf, size_t count)
125 struct qeth_card *card = dev_get_drvdata(dev);
130 return qeth_l3_dev_route_store(card, &card->options.route6,
131 QETH_PROT_IPV6, buf, count);
134 static DEVICE_ATTR(route6, 0644, qeth_l3_dev_route6_show,
135 qeth_l3_dev_route6_store);
137 static ssize_t qeth_l3_dev_fake_broadcast_show(struct device *dev,
138 struct device_attribute *attr, char *buf)
140 struct qeth_card *card = dev_get_drvdata(dev);
145 return sprintf(buf, "%i\n", card->options.fake_broadcast? 1:0);
148 static ssize_t qeth_l3_dev_fake_broadcast_store(struct device *dev,
149 struct device_attribute *attr, const char *buf, size_t count)
151 struct qeth_card *card = dev_get_drvdata(dev);
158 mutex_lock(&card->conf_mutex);
159 if ((card->state != CARD_STATE_DOWN) &&
160 (card->state != CARD_STATE_RECOVER)) {
165 i = simple_strtoul(buf, &tmp, 16);
166 if ((i == 0) || (i == 1))
167 card->options.fake_broadcast = i;
171 mutex_unlock(&card->conf_mutex);
172 return rc ? rc : count;
175 static DEVICE_ATTR(fake_broadcast, 0644, qeth_l3_dev_fake_broadcast_show,
176 qeth_l3_dev_fake_broadcast_store);
178 static ssize_t qeth_l3_dev_sniffer_show(struct device *dev,
179 struct device_attribute *attr, char *buf)
181 struct qeth_card *card = dev_get_drvdata(dev);
186 return sprintf(buf, "%i\n", card->options.sniffer ? 1 : 0);
189 static ssize_t qeth_l3_dev_sniffer_store(struct device *dev,
190 struct device_attribute *attr, const char *buf, size_t count)
192 struct qeth_card *card = dev_get_drvdata(dev);
199 if (card->info.type != QETH_CARD_TYPE_IQD)
201 if (card->options.cq == QETH_CQ_ENABLED)
204 mutex_lock(&card->conf_mutex);
205 if ((card->state != CARD_STATE_DOWN) &&
206 (card->state != CARD_STATE_RECOVER)) {
211 rc = strict_strtoul(buf, 16, &i);
218 card->options.sniffer = i;
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);
235 mutex_unlock(&card->conf_mutex);
236 return rc ? rc : count;
239 static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
240 qeth_l3_dev_sniffer_store);
243 static ssize_t qeth_l3_dev_hsuid_show(struct device *dev,
244 struct device_attribute *attr, char *buf)
246 struct qeth_card *card = dev_get_drvdata(dev);
252 if (card->info.type != QETH_CARD_TYPE_IQD)
255 if (card->state == CARD_STATE_DOWN)
258 memcpy(tmp_hsuid, card->options.hsuid, sizeof(tmp_hsuid));
259 EBCASC(tmp_hsuid, 8);
260 return sprintf(buf, "%s\n", tmp_hsuid);
263 static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
264 struct device_attribute *attr, const char *buf, size_t count)
266 struct qeth_card *card = dev_get_drvdata(dev);
267 struct qeth_ipaddr *addr;
274 if (card->info.type != QETH_CARD_TYPE_IQD)
276 if (card->state != CARD_STATE_DOWN &&
277 card->state != CARD_STATE_RECOVER)
279 if (card->options.sniffer)
281 if (card->options.cq == QETH_CQ_NOTAVAILABLE)
284 tmp = strsep((char **)&buf, "\n");
288 if (card->options.hsuid[0]) {
289 /* delete old ip address */
290 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;
301 if (!qeth_l3_delete_ip(card, addr))
303 qeth_l3_set_ip_addr_list(card);
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 for (i = 0; i < 8; i++)
319 card->options.hsuid[i] = ' ';
320 card->options.hsuid[8] = '\0';
321 strncpy(card->options.hsuid, tmp, strlen(tmp));
322 ASCEBC(card->options.hsuid, 8);
324 memcpy(card->dev->perm_addr, card->options.hsuid, 9);
326 addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
328 addr->u.a6.addr.s6_addr32[0] = 0xfe800000;
329 addr->u.a6.addr.s6_addr32[1] = 0x00000000;
330 for (i = 8; i < 16; i++)
331 addr->u.a6.addr.s6_addr[i] = card->options.hsuid[i - 8];
332 addr->u.a6.pfxlen = 0;
333 addr->type = QETH_IP_TYPE_NORMAL;
336 if (!qeth_l3_add_ip(card, addr))
338 qeth_l3_set_ip_addr_list(card);
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 *tmpipa, *t;
382 mutex_lock(&card->conf_mutex);
383 if ((card->state != CARD_STATE_DOWN) &&
384 (card->state != CARD_STATE_RECOVER)) {
389 tmp = strsep((char **) &buf, "\n");
390 if (!strcmp(tmp, "toggle")) {
391 card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
392 } else if (!strcmp(tmp, "1")) {
393 card->ipato.enabled = 1;
394 list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
395 if ((tmpipa->type == QETH_IP_TYPE_NORMAL) &&
396 qeth_l3_is_addr_covered_by_ipato(card, tmpipa))
398 QETH_IPA_SETIP_TAKEOVER_FLAG;
401 } else if (!strcmp(tmp, "0")) {
402 card->ipato.enabled = 0;
403 list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
404 if (tmpipa->set_flags &
405 QETH_IPA_SETIP_TAKEOVER_FLAG)
407 ~QETH_IPA_SETIP_TAKEOVER_FLAG;
412 mutex_unlock(&card->conf_mutex);
413 return rc ? rc : count;
416 static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
417 qeth_l3_dev_ipato_enable_show,
418 qeth_l3_dev_ipato_enable_store);
420 static ssize_t qeth_l3_dev_ipato_invert4_show(struct device *dev,
421 struct device_attribute *attr, char *buf)
423 struct qeth_card *card = dev_get_drvdata(dev);
428 return sprintf(buf, "%i\n", card->ipato.invert4? 1:0);
431 static ssize_t qeth_l3_dev_ipato_invert4_store(struct device *dev,
432 struct device_attribute *attr,
433 const char *buf, size_t count)
435 struct qeth_card *card = dev_get_drvdata(dev);
442 mutex_lock(&card->conf_mutex);
443 tmp = strsep((char **) &buf, "\n");
444 if (!strcmp(tmp, "toggle")) {
445 card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
446 } else if (!strcmp(tmp, "1")) {
447 card->ipato.invert4 = 1;
448 } else if (!strcmp(tmp, "0")) {
449 card->ipato.invert4 = 0;
452 mutex_unlock(&card->conf_mutex);
453 return rc ? rc : count;
456 static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
457 qeth_l3_dev_ipato_invert4_show,
458 qeth_l3_dev_ipato_invert4_store);
460 static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
461 enum qeth_prot_versions proto)
463 struct qeth_ipato_entry *ipatoe;
466 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
469 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
470 /* add strlen for "/<mask>\n" */
471 entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
472 spin_lock_irqsave(&card->ip_lock, flags);
473 list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
474 if (ipatoe->proto != proto)
476 /* String must not be longer than PAGE_SIZE. So we check if
477 * string length gets near PAGE_SIZE. Then we can savely display
478 * the next IPv6 address (worst case, compared to IPv4) */
479 if ((PAGE_SIZE - i) <= entry_len)
481 qeth_l3_ipaddr_to_string(proto, ipatoe->addr, addr_str);
482 i += snprintf(buf + i, PAGE_SIZE - i,
483 "%s/%i\n", addr_str, ipatoe->mask_bits);
485 spin_unlock_irqrestore(&card->ip_lock, flags);
486 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
491 static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev,
492 struct device_attribute *attr, char *buf)
494 struct qeth_card *card = dev_get_drvdata(dev);
499 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
502 static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto,
503 u8 *addr, int *mask_bits)
505 const char *start, *end;
507 char buffer[40] = {0, };
510 /* get address string */
511 end = strchr(start, '/');
512 if (!end || (end - start >= 40)) {
515 strncpy(buffer, start, end - start);
516 if (qeth_l3_string_to_ipaddr(buffer, proto, addr)) {
520 *mask_bits = simple_strtoul(start, &tmp, 10);
521 if (!strlen(start) ||
523 (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) {
529 static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count,
530 struct qeth_card *card, enum qeth_prot_versions proto)
532 struct qeth_ipato_entry *ipatoe;
537 mutex_lock(&card->conf_mutex);
538 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
542 ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
547 ipatoe->proto = proto;
548 memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
549 ipatoe->mask_bits = mask_bits;
551 rc = qeth_l3_add_ipato_entry(card, ipatoe);
555 mutex_unlock(&card->conf_mutex);
556 return rc ? rc : count;
559 static ssize_t qeth_l3_dev_ipato_add4_store(struct device *dev,
560 struct device_attribute *attr, const char *buf, size_t count)
562 struct qeth_card *card = dev_get_drvdata(dev);
567 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
570 static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
571 qeth_l3_dev_ipato_add4_show,
572 qeth_l3_dev_ipato_add4_store);
574 static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
575 struct qeth_card *card, enum qeth_prot_versions proto)
581 mutex_lock(&card->conf_mutex);
582 rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
584 qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
585 mutex_unlock(&card->conf_mutex);
586 return rc ? rc : count;
589 static ssize_t qeth_l3_dev_ipato_del4_store(struct device *dev,
590 struct device_attribute *attr, const char *buf, size_t count)
592 struct qeth_card *card = dev_get_drvdata(dev);
597 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
600 static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
601 qeth_l3_dev_ipato_del4_store);
603 static ssize_t qeth_l3_dev_ipato_invert6_show(struct device *dev,
604 struct device_attribute *attr, char *buf)
606 struct qeth_card *card = dev_get_drvdata(dev);
611 return sprintf(buf, "%i\n", card->ipato.invert6? 1:0);
614 static ssize_t qeth_l3_dev_ipato_invert6_store(struct device *dev,
615 struct device_attribute *attr, const char *buf, size_t count)
617 struct qeth_card *card = dev_get_drvdata(dev);
624 mutex_lock(&card->conf_mutex);
625 tmp = strsep((char **) &buf, "\n");
626 if (!strcmp(tmp, "toggle")) {
627 card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
628 } else if (!strcmp(tmp, "1")) {
629 card->ipato.invert6 = 1;
630 } else if (!strcmp(tmp, "0")) {
631 card->ipato.invert6 = 0;
634 mutex_unlock(&card->conf_mutex);
635 return rc ? rc : count;
638 static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
639 qeth_l3_dev_ipato_invert6_show,
640 qeth_l3_dev_ipato_invert6_store);
643 static ssize_t qeth_l3_dev_ipato_add6_show(struct device *dev,
644 struct device_attribute *attr, char *buf)
646 struct qeth_card *card = dev_get_drvdata(dev);
651 return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
654 static ssize_t qeth_l3_dev_ipato_add6_store(struct device *dev,
655 struct device_attribute *attr, const char *buf, size_t count)
657 struct qeth_card *card = dev_get_drvdata(dev);
662 return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
665 static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
666 qeth_l3_dev_ipato_add6_show,
667 qeth_l3_dev_ipato_add6_store);
669 static ssize_t qeth_l3_dev_ipato_del6_store(struct device *dev,
670 struct device_attribute *attr, const char *buf, size_t count)
672 struct qeth_card *card = dev_get_drvdata(dev);
677 return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
680 static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
681 qeth_l3_dev_ipato_del6_store);
683 static struct attribute *qeth_ipato_device_attrs[] = {
684 &dev_attr_ipato_enable.attr,
685 &dev_attr_ipato_invert4.attr,
686 &dev_attr_ipato_add4.attr,
687 &dev_attr_ipato_del4.attr,
688 &dev_attr_ipato_invert6.attr,
689 &dev_attr_ipato_add6.attr,
690 &dev_attr_ipato_del6.attr,
694 static struct attribute_group qeth_device_ipato_group = {
695 .name = "ipa_takeover",
696 .attrs = qeth_ipato_device_attrs,
699 static ssize_t qeth_l3_dev_vipa_add_show(char *buf, struct qeth_card *card,
700 enum qeth_prot_versions proto)
702 struct qeth_ipaddr *ipaddr;
704 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
708 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
709 entry_len += 2; /* \n + terminator */
710 spin_lock_irqsave(&card->ip_lock, flags);
711 list_for_each_entry(ipaddr, &card->ip_list, entry) {
712 if (ipaddr->proto != proto)
714 if (ipaddr->type != QETH_IP_TYPE_VIPA)
716 /* String must not be longer than PAGE_SIZE. So we check if
717 * string length gets near PAGE_SIZE. Then we can savely display
718 * the next IPv6 address (worst case, compared to IPv4) */
719 if ((PAGE_SIZE - i) <= entry_len)
721 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
723 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
725 spin_unlock_irqrestore(&card->ip_lock, flags);
726 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
731 static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
732 struct device_attribute *attr, char *buf)
734 struct qeth_card *card = dev_get_drvdata(dev);
739 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
742 static int qeth_l3_parse_vipae(const char *buf, enum qeth_prot_versions proto,
745 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
751 static ssize_t qeth_l3_dev_vipa_add_store(const char *buf, size_t count,
752 struct qeth_card *card, enum qeth_prot_versions proto)
757 mutex_lock(&card->conf_mutex);
758 rc = qeth_l3_parse_vipae(buf, proto, addr);
760 rc = qeth_l3_add_vipa(card, proto, addr);
761 mutex_unlock(&card->conf_mutex);
762 return rc ? rc : count;
765 static ssize_t qeth_l3_dev_vipa_add4_store(struct device *dev,
766 struct device_attribute *attr, const char *buf, size_t count)
768 struct qeth_card *card = dev_get_drvdata(dev);
773 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
776 static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
777 qeth_l3_dev_vipa_add4_show,
778 qeth_l3_dev_vipa_add4_store);
780 static ssize_t qeth_l3_dev_vipa_del_store(const char *buf, size_t count,
781 struct qeth_card *card, enum qeth_prot_versions proto)
786 mutex_lock(&card->conf_mutex);
787 rc = qeth_l3_parse_vipae(buf, proto, addr);
789 qeth_l3_del_vipa(card, proto, addr);
790 mutex_unlock(&card->conf_mutex);
791 return rc ? rc : count;
794 static ssize_t qeth_l3_dev_vipa_del4_store(struct device *dev,
795 struct device_attribute *attr, const char *buf, size_t count)
797 struct qeth_card *card = dev_get_drvdata(dev);
802 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
805 static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
806 qeth_l3_dev_vipa_del4_store);
808 static ssize_t qeth_l3_dev_vipa_add6_show(struct device *dev,
809 struct device_attribute *attr, char *buf)
811 struct qeth_card *card = dev_get_drvdata(dev);
816 return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
819 static ssize_t qeth_l3_dev_vipa_add6_store(struct device *dev,
820 struct device_attribute *attr, const char *buf, size_t count)
822 struct qeth_card *card = dev_get_drvdata(dev);
827 return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
830 static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
831 qeth_l3_dev_vipa_add6_show,
832 qeth_l3_dev_vipa_add6_store);
834 static ssize_t qeth_l3_dev_vipa_del6_store(struct device *dev,
835 struct device_attribute *attr, const char *buf, size_t count)
837 struct qeth_card *card = dev_get_drvdata(dev);
842 return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
845 static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
846 qeth_l3_dev_vipa_del6_store);
848 static struct attribute *qeth_vipa_device_attrs[] = {
849 &dev_attr_vipa_add4.attr,
850 &dev_attr_vipa_del4.attr,
851 &dev_attr_vipa_add6.attr,
852 &dev_attr_vipa_del6.attr,
856 static struct attribute_group qeth_device_vipa_group = {
858 .attrs = qeth_vipa_device_attrs,
861 static ssize_t qeth_l3_dev_rxip_add_show(char *buf, struct qeth_card *card,
862 enum qeth_prot_versions proto)
864 struct qeth_ipaddr *ipaddr;
866 int entry_len; /* length of 1 entry string, differs between v4 and v6 */
870 entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
871 entry_len += 2; /* \n + terminator */
872 spin_lock_irqsave(&card->ip_lock, flags);
873 list_for_each_entry(ipaddr, &card->ip_list, entry) {
874 if (ipaddr->proto != proto)
876 if (ipaddr->type != QETH_IP_TYPE_RXIP)
878 /* String must not be longer than PAGE_SIZE. So we check if
879 * string length gets near PAGE_SIZE. Then we can savely display
880 * the next IPv6 address (worst case, compared to IPv4) */
881 if ((PAGE_SIZE - i) <= entry_len)
883 qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
885 i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
887 spin_unlock_irqrestore(&card->ip_lock, flags);
888 i += snprintf(buf + i, PAGE_SIZE - i, "\n");
893 static ssize_t qeth_l3_dev_rxip_add4_show(struct device *dev,
894 struct device_attribute *attr, char *buf)
896 struct qeth_card *card = dev_get_drvdata(dev);
901 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
904 static int qeth_l3_parse_rxipe(const char *buf, enum qeth_prot_versions proto,
907 if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
913 static ssize_t qeth_l3_dev_rxip_add_store(const char *buf, size_t count,
914 struct qeth_card *card, enum qeth_prot_versions proto)
919 mutex_lock(&card->conf_mutex);
920 rc = qeth_l3_parse_rxipe(buf, proto, addr);
922 rc = qeth_l3_add_rxip(card, proto, addr);
923 mutex_unlock(&card->conf_mutex);
924 return rc ? rc : count;
927 static ssize_t qeth_l3_dev_rxip_add4_store(struct device *dev,
928 struct device_attribute *attr, const char *buf, size_t count)
930 struct qeth_card *card = dev_get_drvdata(dev);
935 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
938 static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
939 qeth_l3_dev_rxip_add4_show,
940 qeth_l3_dev_rxip_add4_store);
942 static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
943 struct qeth_card *card, enum qeth_prot_versions proto)
948 mutex_lock(&card->conf_mutex);
949 rc = qeth_l3_parse_rxipe(buf, proto, addr);
951 qeth_l3_del_rxip(card, proto, addr);
952 mutex_unlock(&card->conf_mutex);
953 return rc ? rc : count;
956 static ssize_t qeth_l3_dev_rxip_del4_store(struct device *dev,
957 struct device_attribute *attr, const char *buf, size_t count)
959 struct qeth_card *card = dev_get_drvdata(dev);
964 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
967 static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
968 qeth_l3_dev_rxip_del4_store);
970 static ssize_t qeth_l3_dev_rxip_add6_show(struct device *dev,
971 struct device_attribute *attr, char *buf)
973 struct qeth_card *card = dev_get_drvdata(dev);
978 return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
981 static ssize_t qeth_l3_dev_rxip_add6_store(struct device *dev,
982 struct device_attribute *attr, const char *buf, size_t count)
984 struct qeth_card *card = dev_get_drvdata(dev);
989 return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
992 static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
993 qeth_l3_dev_rxip_add6_show,
994 qeth_l3_dev_rxip_add6_store);
996 static ssize_t qeth_l3_dev_rxip_del6_store(struct device *dev,
997 struct device_attribute *attr, const char *buf, size_t count)
999 struct qeth_card *card = dev_get_drvdata(dev);
1004 return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
1007 static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
1008 qeth_l3_dev_rxip_del6_store);
1010 static struct attribute *qeth_rxip_device_attrs[] = {
1011 &dev_attr_rxip_add4.attr,
1012 &dev_attr_rxip_del4.attr,
1013 &dev_attr_rxip_add6.attr,
1014 &dev_attr_rxip_del6.attr,
1018 static struct attribute_group qeth_device_rxip_group = {
1020 .attrs = qeth_rxip_device_attrs,
1023 int qeth_l3_create_device_attributes(struct device *dev)
1027 ret = sysfs_create_group(&dev->kobj, &qeth_l3_device_attr_group);
1031 ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group);
1033 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1037 ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group);
1039 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1040 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1044 ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group);
1046 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1047 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1048 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1054 void qeth_l3_remove_device_attributes(struct device *dev)
1056 sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
1057 sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
1058 sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
1059 sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);