Commit | Line | Data |
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ab9953ff | 1 | // SPDX-License-Identifier: GPL-2.0 |
4a71df50 | 2 | /* |
bbcfcdc8 | 3 | * Copyright IBM Corp. 2007, 2009 |
4a71df50 FB |
4 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
5 | * Frank Pavlic <fpavlic@de.ibm.com>, | |
6 | * Thomas Spatzier <tspat@de.ibm.com>, | |
7 | * Frank Blaschka <frank.blaschka@de.ibm.com> | |
8 | */ | |
9 | ||
74eacdb9 FB |
10 | #define KMSG_COMPONENT "qeth" |
11 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt | |
12 | ||
4a71df50 FB |
13 | #include <linux/module.h> |
14 | #include <linux/moduleparam.h> | |
7ff0bcf6 | 15 | #include <linux/bitops.h> |
4a71df50 FB |
16 | #include <linux/string.h> |
17 | #include <linux/errno.h> | |
18 | #include <linux/kernel.h> | |
19 | #include <linux/etherdevice.h> | |
4a71df50 | 20 | #include <linux/ip.h> |
1f979123 | 21 | #include <linux/in.h> |
180f5131 | 22 | #include <linux/inet.h> |
64ef8957 | 23 | #include <linux/ipv6.h> |
4a71df50 FB |
24 | #include <linux/inetdevice.h> |
25 | #include <linux/igmp.h> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
910a0a8f | 27 | #include <linux/if_ether.h> |
7ff0bcf6 | 28 | #include <linux/if_vlan.h> |
910a0a8f | 29 | #include <linux/skbuff.h> |
4a71df50 FB |
30 | |
31 | #include <net/ip.h> | |
32 | #include <net/arp.h> | |
87e7597b | 33 | #include <net/route.h> |
1f979123 | 34 | #include <net/ipv6.h> |
910a0a8f | 35 | #include <net/ip6_route.h> |
b3332930 | 36 | #include <net/iucv/af_iucv.h> |
5f78e29c | 37 | #include <linux/hashtable.h> |
4a71df50 | 38 | |
4a71df50 | 39 | #include "qeth_l3.h" |
4a71df50 | 40 | |
4a71df50 FB |
41 | static int qeth_l3_register_addr_entry(struct qeth_card *, |
42 | struct qeth_ipaddr *); | |
43 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, | |
44 | struct qeth_ipaddr *); | |
4a71df50 | 45 | |
e6b1b7da JW |
46 | int qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const u8 *addr, |
47 | char *buf) | |
4a71df50 FB |
48 | { |
49 | if (proto == QETH_PROT_IPV4) | |
74c05a38 | 50 | return scnprintf(buf, INET_ADDRSTRLEN, "%pI4", addr); |
e6b1b7da | 51 | else |
74c05a38 | 52 | return scnprintf(buf, INET6_ADDRSTRLEN, "%pI6", addr); |
4a71df50 FB |
53 | } |
54 | ||
c5c48c58 JW |
55 | static struct qeth_ipaddr *qeth_l3_find_addr_by_ip(struct qeth_card *card, |
56 | struct qeth_ipaddr *query) | |
57 | { | |
1b40d4b2 | 58 | u32 key = qeth_l3_ipaddr_hash(query); |
c5c48c58 JW |
59 | struct qeth_ipaddr *addr; |
60 | ||
61 | if (query->is_multicast) { | |
0973292f | 62 | hash_for_each_possible(card->rx_mode_addrs, addr, hnode, key) |
c5c48c58 JW |
63 | if (qeth_l3_addr_match_ip(addr, query)) |
64 | return addr; | |
65 | } else { | |
66 | hash_for_each_possible(card->ip_htable, addr, hnode, key) | |
67 | if (qeth_l3_addr_match_ip(addr, query)) | |
68 | return addr; | |
69 | } | |
70 | return NULL; | |
71 | } | |
72 | ||
4a71df50 FB |
73 | static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) |
74 | { | |
75 | int i, j; | |
76 | u8 octet; | |
77 | ||
78 | for (i = 0; i < len; ++i) { | |
79 | octet = addr[i]; | |
80 | for (j = 7; j >= 0; --j) { | |
81 | bits[i*8 + j] = octet & 1; | |
82 | octet >>= 1; | |
83 | } | |
84 | } | |
85 | } | |
86 | ||
02f510f3 JW |
87 | static bool qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, |
88 | struct qeth_ipaddr *addr) | |
4a71df50 FB |
89 | { |
90 | struct qeth_ipato_entry *ipatoe; | |
91 | u8 addr_bits[128] = {0, }; | |
92 | u8 ipatoe_bits[128] = {0, }; | |
93 | int rc = 0; | |
94 | ||
95 | if (!card->ipato.enabled) | |
1a363b0d | 96 | return false; |
b22d73d6 | 97 | if (addr->type != QETH_IP_TYPE_NORMAL) |
1a363b0d | 98 | return false; |
4a71df50 FB |
99 | |
100 | qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
378ac80d | 101 | (addr->proto == QETH_PROT_IPV4) ? 4 : 16); |
4a71df50 FB |
102 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { |
103 | if (addr->proto != ipatoe->proto) | |
104 | continue; | |
105 | qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
106 | (ipatoe->proto == QETH_PROT_IPV4) ? | |
107 | 4 : 16); | |
215d2836 | 108 | rc = !memcmp(addr_bits, ipatoe_bits, ipatoe->mask_bits); |
4a71df50 FB |
109 | if (rc) |
110 | break; | |
111 | } | |
112 | /* invert? */ | |
113 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
114 | rc = !rc; | |
115 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
116 | rc = !rc; | |
117 | ||
118 | return rc; | |
119 | } | |
120 | ||
1617dae2 JW |
121 | static int qeth_l3_delete_ip(struct qeth_card *card, |
122 | struct qeth_ipaddr *tmp_addr) | |
4a71df50 | 123 | { |
4a71df50 | 124 | int rc = 0; |
5f78e29c | 125 | struct qeth_ipaddr *addr; |
4a71df50 | 126 | |
1617dae2 JW |
127 | if (tmp_addr->type == QETH_IP_TYPE_RXIP) |
128 | QETH_CARD_TEXT(card, 2, "delrxip"); | |
129 | else if (tmp_addr->type == QETH_IP_TYPE_VIPA) | |
130 | QETH_CARD_TEXT(card, 2, "delvipa"); | |
131 | else | |
132 | QETH_CARD_TEXT(card, 2, "delip"); | |
4a71df50 | 133 | |
5f78e29c LD |
134 | if (tmp_addr->proto == QETH_PROT_IPV4) |
135 | QETH_CARD_HEX(card, 4, &tmp_addr->u.a4.addr, 4); | |
4a71df50 | 136 | else { |
5f78e29c LD |
137 | QETH_CARD_HEX(card, 4, &tmp_addr->u.a6.addr, 8); |
138 | QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8); | |
4a71df50 | 139 | } |
5f78e29c | 140 | |
c5c48c58 JW |
141 | addr = qeth_l3_find_addr_by_ip(card, tmp_addr); |
142 | if (!addr || !qeth_l3_addr_match_all(addr, tmp_addr)) | |
5f78e29c LD |
143 | return -ENOENT; |
144 | ||
145 | addr->ref_counter--; | |
4964c66f | 146 | if (addr->type == QETH_IP_TYPE_NORMAL && addr->ref_counter > 0) |
5f78e29c | 147 | return rc; |
5f78e29c | 148 | |
98d823ab JW |
149 | if (qeth_card_hw_is_reachable(card)) |
150 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
5f78e29c LD |
151 | |
152 | hash_del(&addr->hnode); | |
153 | kfree(addr); | |
154 | ||
4a71df50 FB |
155 | return rc; |
156 | } | |
157 | ||
1617dae2 | 158 | static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) |
4a71df50 | 159 | { |
4a71df50 | 160 | int rc = 0; |
5f78e29c | 161 | struct qeth_ipaddr *addr; |
180f5131 | 162 | char buf[INET6_ADDRSTRLEN]; |
4a71df50 | 163 | |
1617dae2 JW |
164 | if (tmp_addr->type == QETH_IP_TYPE_RXIP) |
165 | QETH_CARD_TEXT(card, 2, "addrxip"); | |
166 | else if (tmp_addr->type == QETH_IP_TYPE_VIPA) | |
167 | QETH_CARD_TEXT(card, 2, "addvipa"); | |
168 | else | |
169 | QETH_CARD_TEXT(card, 2, "addip"); | |
5f78e29c LD |
170 | |
171 | if (tmp_addr->proto == QETH_PROT_IPV4) | |
172 | QETH_CARD_HEX(card, 4, &tmp_addr->u.a4.addr, 4); | |
4a71df50 | 173 | else { |
5f78e29c LD |
174 | QETH_CARD_HEX(card, 4, &tmp_addr->u.a6.addr, 8); |
175 | QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8); | |
176 | } | |
177 | ||
c5c48c58 JW |
178 | addr = qeth_l3_find_addr_by_ip(card, tmp_addr); |
179 | if (addr) { | |
180 | if (tmp_addr->type != QETH_IP_TYPE_NORMAL) | |
181 | return -EADDRINUSE; | |
182 | if (qeth_l3_addr_match_all(addr, tmp_addr)) { | |
183 | addr->ref_counter++; | |
184 | return 0; | |
185 | } | |
186 | qeth_l3_ipaddr_to_string(tmp_addr->proto, (u8 *)&tmp_addr->u, | |
187 | buf); | |
188 | dev_warn(&card->gdev->dev, | |
189 | "Registering IP address %s failed\n", buf); | |
190 | return -EADDRINUSE; | |
191 | } else { | |
b80c08ac | 192 | addr = kmemdup(tmp_addr, sizeof(*tmp_addr), GFP_KERNEL); |
5f78e29c LD |
193 | if (!addr) |
194 | return -ENOMEM; | |
195 | ||
b22d73d6 | 196 | if (qeth_l3_is_addr_covered_by_ipato(card, addr)) { |
5f78e29c | 197 | QETH_CARD_TEXT(card, 2, "tkovaddr"); |
b1d5e36b | 198 | addr->ipato = 1; |
5f78e29c LD |
199 | } |
200 | hash_add(card->ip_htable, &addr->hnode, | |
201 | qeth_l3_ipaddr_hash(addr)); | |
202 | ||
a7531c1c UB |
203 | if (!qeth_card_hw_is_reachable(card)) { |
204 | addr->disp_flag = QETH_DISP_ADDR_ADD; | |
205 | return 0; | |
206 | } | |
207 | ||
adee2592 | 208 | rc = qeth_l3_register_addr_entry(card, addr); |
5f78e29c | 209 | |
4b7ae122 | 210 | if (!rc || rc == -EADDRINUSE || rc == -ENETDOWN) { |
5f78e29c | 211 | addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING; |
5f78e29c LD |
212 | } else { |
213 | hash_del(&addr->hnode); | |
214 | kfree(addr); | |
215 | } | |
4a71df50 | 216 | } |
4a71df50 FB |
217 | return rc; |
218 | } | |
219 | ||
05a17851 JW |
220 | static int qeth_l3_modify_ip(struct qeth_card *card, struct qeth_ipaddr *addr, |
221 | bool add) | |
222 | { | |
223 | int rc; | |
224 | ||
df2a2a52 | 225 | mutex_lock(&card->ip_lock); |
05a17851 | 226 | rc = add ? qeth_l3_add_ip(card, addr) : qeth_l3_delete_ip(card, addr); |
df2a2a52 | 227 | mutex_unlock(&card->ip_lock); |
05a17851 JW |
228 | |
229 | return rc; | |
230 | } | |
231 | ||
d0c74825 JW |
232 | static void qeth_l3_drain_rx_mode_cache(struct qeth_card *card) |
233 | { | |
234 | struct qeth_ipaddr *addr; | |
235 | struct hlist_node *tmp; | |
236 | int i; | |
237 | ||
0973292f | 238 | hash_for_each_safe(card->rx_mode_addrs, i, tmp, addr, hnode) { |
d0c74825 JW |
239 | hash_del(&addr->hnode); |
240 | kfree(addr); | |
241 | } | |
d0c74825 JW |
242 | } |
243 | ||
5f78e29c | 244 | static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover) |
4a71df50 FB |
245 | { |
246 | struct qeth_ipaddr *addr; | |
5f78e29c LD |
247 | struct hlist_node *tmp; |
248 | int i; | |
4a71df50 | 249 | |
5f78e29c | 250 | QETH_CARD_TEXT(card, 4, "clearip"); |
4a71df50 | 251 | |
df2a2a52 | 252 | mutex_lock(&card->ip_lock); |
5f78e29c LD |
253 | |
254 | hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) { | |
255 | if (!recover) { | |
256 | hash_del(&addr->hnode); | |
257 | kfree(addr); | |
4a71df50 FB |
258 | continue; |
259 | } | |
5f78e29c | 260 | addr->disp_flag = QETH_DISP_ADDR_ADD; |
4a71df50 | 261 | } |
4a71df50 | 262 | |
df2a2a52 | 263 | mutex_unlock(&card->ip_lock); |
5f78e29c | 264 | } |
d0c74825 | 265 | |
5f78e29c | 266 | static void qeth_l3_recover_ip(struct qeth_card *card) |
4a71df50 | 267 | { |
5f78e29c LD |
268 | struct qeth_ipaddr *addr; |
269 | struct hlist_node *tmp; | |
270 | int i; | |
271 | int rc; | |
4a71df50 | 272 | |
a7531c1c | 273 | QETH_CARD_TEXT(card, 4, "recovrip"); |
5f78e29c | 274 | |
df2a2a52 | 275 | mutex_lock(&card->ip_lock); |
5f78e29c LD |
276 | |
277 | hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) { | |
98d823ab | 278 | if (addr->disp_flag == QETH_DISP_ADDR_ADD) { |
adee2592 | 279 | rc = qeth_l3_register_addr_entry(card, addr); |
5f78e29c LD |
280 | |
281 | if (!rc) { | |
282 | addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING; | |
5f78e29c LD |
283 | } else { |
284 | hash_del(&addr->hnode); | |
285 | kfree(addr); | |
286 | } | |
287 | } | |
288 | } | |
4a71df50 | 289 | |
df2a2a52 | 290 | mutex_unlock(&card->ip_lock); |
4a71df50 FB |
291 | } |
292 | ||
4b7ae122 JW |
293 | static int qeth_l3_setdelip_cb(struct qeth_card *card, struct qeth_reply *reply, |
294 | unsigned long data) | |
295 | { | |
296 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; | |
297 | ||
298 | switch (cmd->hdr.return_code) { | |
299 | case IPA_RC_SUCCESS: | |
300 | return 0; | |
301 | case IPA_RC_DUPLICATE_IP_ADDRESS: | |
302 | return -EADDRINUSE; | |
303 | case IPA_RC_MC_ADDR_NOT_FOUND: | |
304 | return -ENOENT; | |
305 | case IPA_RC_LAN_OFFLINE: | |
306 | return -ENETDOWN; | |
307 | default: | |
308 | return -EIO; | |
309 | } | |
310 | } | |
311 | ||
4a71df50 | 312 | static int qeth_l3_send_setdelmc(struct qeth_card *card, |
b14912eb JW |
313 | struct qeth_ipaddr *addr, |
314 | enum qeth_ipa_cmds ipacmd) | |
4a71df50 | 315 | { |
4a71df50 FB |
316 | struct qeth_cmd_buffer *iob; |
317 | struct qeth_ipa_cmd *cmd; | |
318 | ||
847a50fd | 319 | QETH_CARD_TEXT(card, 4, "setdelmc"); |
4a71df50 | 320 | |
a59d121d JW |
321 | iob = qeth_ipa_alloc_cmd(card, ipacmd, addr->proto, |
322 | IPA_DATA_SIZEOF(setdelipm)); | |
1aec42bc TR |
323 | if (!iob) |
324 | return -ENOMEM; | |
ff5caa7a | 325 | cmd = __ipa_cmd(iob); |
8bf70b68 JW |
326 | if (addr->proto == QETH_PROT_IPV6) { |
327 | cmd->data.setdelipm.ip = addr->u.a6.addr; | |
328 | ipv6_eth_mc_map(&addr->u.a6.addr, cmd->data.setdelipm.mac); | |
329 | } else { | |
330 | cmd->data.setdelipm.ip.s6_addr32[3] = addr->u.a4.addr; | |
331 | ip_eth_mc_map(addr->u.a4.addr, cmd->data.setdelipm.mac); | |
332 | } | |
4a71df50 | 333 | |
4b7ae122 | 334 | return qeth_send_ipa_cmd(card, iob, qeth_l3_setdelip_cb, NULL); |
4a71df50 FB |
335 | } |
336 | ||
490df971 | 337 | static void qeth_l3_set_ipv6_prefix(struct in6_addr *prefix, unsigned int len) |
4a71df50 | 338 | { |
490df971 JW |
339 | unsigned int i = 0; |
340 | ||
341 | while (len && i < 4) { | |
342 | int mask_len = min_t(int, len, 32); | |
343 | ||
344 | prefix->s6_addr32[i] = inet_make_mask(mask_len); | |
345 | len -= mask_len; | |
346 | i++; | |
4a71df50 FB |
347 | } |
348 | } | |
349 | ||
b1d5e36b JW |
350 | static u32 qeth_l3_get_setdelip_flags(struct qeth_ipaddr *addr, bool set) |
351 | { | |
352 | switch (addr->type) { | |
353 | case QETH_IP_TYPE_RXIP: | |
354 | return (set) ? QETH_IPA_SETIP_TAKEOVER_FLAG : 0; | |
355 | case QETH_IP_TYPE_VIPA: | |
356 | return (set) ? QETH_IPA_SETIP_VIPA_FLAG : | |
357 | QETH_IPA_DELIP_VIPA_FLAG; | |
358 | default: | |
359 | return (set && addr->ipato) ? QETH_IPA_SETIP_TAKEOVER_FLAG : 0; | |
360 | } | |
361 | } | |
362 | ||
4a71df50 | 363 | static int qeth_l3_send_setdelip(struct qeth_card *card, |
b1d5e36b JW |
364 | struct qeth_ipaddr *addr, |
365 | enum qeth_ipa_cmds ipacmd) | |
4a71df50 | 366 | { |
4a71df50 FB |
367 | struct qeth_cmd_buffer *iob; |
368 | struct qeth_ipa_cmd *cmd; | |
b1d5e36b | 369 | u32 flags; |
4a71df50 | 370 | |
847a50fd | 371 | QETH_CARD_TEXT(card, 4, "setdelip"); |
4a71df50 | 372 | |
a59d121d JW |
373 | iob = qeth_ipa_alloc_cmd(card, ipacmd, addr->proto, |
374 | IPA_DATA_SIZEOF(setdelip6)); | |
1aec42bc TR |
375 | if (!iob) |
376 | return -ENOMEM; | |
ff5caa7a | 377 | cmd = __ipa_cmd(iob); |
b1d5e36b JW |
378 | |
379 | flags = qeth_l3_get_setdelip_flags(addr, ipacmd == IPA_CMD_SETIP); | |
380 | QETH_CARD_TEXT_(card, 4, "flags%02X", flags); | |
381 | ||
4a71df50 | 382 | if (addr->proto == QETH_PROT_IPV6) { |
490df971 JW |
383 | cmd->data.setdelip6.addr = addr->u.a6.addr; |
384 | qeth_l3_set_ipv6_prefix(&cmd->data.setdelip6.prefix, | |
385 | addr->u.a6.pfxlen); | |
4a71df50 FB |
386 | cmd->data.setdelip6.flags = flags; |
387 | } else { | |
490df971 JW |
388 | cmd->data.setdelip4.addr = addr->u.a4.addr; |
389 | cmd->data.setdelip4.mask = addr->u.a4.mask; | |
4a71df50 FB |
390 | cmd->data.setdelip4.flags = flags; |
391 | } | |
392 | ||
4b7ae122 | 393 | return qeth_send_ipa_cmd(card, iob, qeth_l3_setdelip_cb, NULL); |
4a71df50 FB |
394 | } |
395 | ||
396 | static int qeth_l3_send_setrouting(struct qeth_card *card, | |
397 | enum qeth_routing_types type, enum qeth_prot_versions prot) | |
398 | { | |
399 | int rc; | |
400 | struct qeth_ipa_cmd *cmd; | |
401 | struct qeth_cmd_buffer *iob; | |
402 | ||
847a50fd | 403 | QETH_CARD_TEXT(card, 4, "setroutg"); |
a59d121d JW |
404 | iob = qeth_ipa_alloc_cmd(card, IPA_CMD_SETRTG, prot, |
405 | IPA_DATA_SIZEOF(setrtg)); | |
1aec42bc TR |
406 | if (!iob) |
407 | return -ENOMEM; | |
ff5caa7a | 408 | cmd = __ipa_cmd(iob); |
4a71df50 FB |
409 | cmd->data.setrtg.type = (type); |
410 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
411 | ||
412 | return rc; | |
413 | } | |
414 | ||
82e2e782 | 415 | static int qeth_l3_correct_routing_type(struct qeth_card *card, |
4a71df50 FB |
416 | enum qeth_routing_types *type, enum qeth_prot_versions prot) |
417 | { | |
379ac99e | 418 | if (IS_IQD(card)) { |
4a71df50 FB |
419 | switch (*type) { |
420 | case NO_ROUTER: | |
421 | case PRIMARY_CONNECTOR: | |
422 | case SECONDARY_CONNECTOR: | |
423 | case MULTICAST_ROUTER: | |
82e2e782 | 424 | return 0; |
4a71df50 FB |
425 | default: |
426 | goto out_inval; | |
427 | } | |
428 | } else { | |
429 | switch (*type) { | |
430 | case NO_ROUTER: | |
431 | case PRIMARY_ROUTER: | |
432 | case SECONDARY_ROUTER: | |
82e2e782 | 433 | return 0; |
4a71df50 FB |
434 | case MULTICAST_ROUTER: |
435 | if (qeth_is_ipafunc_supported(card, prot, | |
436 | IPA_OSA_MC_ROUTER)) | |
82e2e782 | 437 | return 0; |
d4e81342 | 438 | goto out_inval; |
4a71df50 FB |
439 | default: |
440 | goto out_inval; | |
441 | } | |
442 | } | |
443 | out_inval: | |
4a71df50 | 444 | *type = NO_ROUTER; |
82e2e782 | 445 | return -EINVAL; |
4a71df50 FB |
446 | } |
447 | ||
448 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
449 | { | |
450 | int rc; | |
451 | ||
847a50fd | 452 | QETH_CARD_TEXT(card, 3, "setrtg4"); |
4a71df50 | 453 | |
82e2e782 | 454 | rc = qeth_l3_correct_routing_type(card, &card->options.route4.type, |
4a71df50 | 455 | QETH_PROT_IPV4); |
82e2e782 SR |
456 | if (rc) |
457 | return rc; | |
4a71df50 FB |
458 | |
459 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
460 | QETH_PROT_IPV4); | |
461 | if (rc) { | |
462 | card->options.route4.type = NO_ROUTER; | |
e19e5be8 JW |
463 | QETH_DBF_MESSAGE(2, "Error (%#06x) while setting routing type on device %x. Type set to 'no router'.\n", |
464 | rc, CARD_DEVID(card)); | |
4a71df50 FB |
465 | } |
466 | return rc; | |
467 | } | |
468 | ||
469 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
470 | { | |
471 | int rc = 0; | |
472 | ||
847a50fd | 473 | QETH_CARD_TEXT(card, 3, "setrtg6"); |
4a71df50 FB |
474 | |
475 | if (!qeth_is_supported(card, IPA_IPV6)) | |
476 | return 0; | |
82e2e782 | 477 | rc = qeth_l3_correct_routing_type(card, &card->options.route6.type, |
4a71df50 | 478 | QETH_PROT_IPV6); |
82e2e782 SR |
479 | if (rc) |
480 | return rc; | |
4a71df50 FB |
481 | |
482 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
483 | QETH_PROT_IPV6); | |
484 | if (rc) { | |
485 | card->options.route6.type = NO_ROUTER; | |
e19e5be8 JW |
486 | QETH_DBF_MESSAGE(2, "Error (%#06x) while setting routing type on device %x. Type set to 'no router'.\n", |
487 | rc, CARD_DEVID(card)); | |
4a71df50 | 488 | } |
4a71df50 FB |
489 | return rc; |
490 | } | |
491 | ||
492 | /* | |
493 | * IP address takeover related functions | |
494 | */ | |
02f510f3 | 495 | |
7ffaef82 | 496 | /* |
02f510f3 JW |
497 | * qeth_l3_update_ipato() - Update 'takeover' property, for all NORMAL IPs. |
498 | * | |
499 | * Caller must hold ip_lock. | |
500 | */ | |
501 | void qeth_l3_update_ipato(struct qeth_card *card) | |
502 | { | |
503 | struct qeth_ipaddr *addr; | |
504 | unsigned int i; | |
505 | ||
506 | hash_for_each(card->ip_htable, i, addr, hnode) { | |
507 | if (addr->type != QETH_IP_TYPE_NORMAL) | |
508 | continue; | |
b1d5e36b | 509 | addr->ipato = qeth_l3_is_addr_covered_by_ipato(card, addr); |
02f510f3 JW |
510 | } |
511 | } | |
512 | ||
4a71df50 FB |
513 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) |
514 | { | |
4a71df50 | 515 | struct qeth_ipato_entry *ipatoe, *tmp; |
4a71df50 | 516 | |
df2a2a52 | 517 | mutex_lock(&card->ip_lock); |
5f78e29c | 518 | |
4a71df50 FB |
519 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { |
520 | list_del(&ipatoe->entry); | |
521 | kfree(ipatoe); | |
522 | } | |
5f78e29c | 523 | |
02f510f3 | 524 | qeth_l3_update_ipato(card); |
df2a2a52 | 525 | mutex_unlock(&card->ip_lock); |
4a71df50 FB |
526 | } |
527 | ||
528 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
529 | struct qeth_ipato_entry *new) | |
530 | { | |
531 | struct qeth_ipato_entry *ipatoe; | |
4a71df50 FB |
532 | int rc = 0; |
533 | ||
847a50fd | 534 | QETH_CARD_TEXT(card, 2, "addipato"); |
5f78e29c | 535 | |
df2a2a52 | 536 | mutex_lock(&card->ip_lock); |
5f78e29c | 537 | |
4a71df50 FB |
538 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { |
539 | if (ipatoe->proto != new->proto) | |
540 | continue; | |
541 | if (!memcmp(ipatoe->addr, new->addr, | |
378ac80d | 542 | (ipatoe->proto == QETH_PROT_IPV4) ? 4 : 16) && |
4a71df50 | 543 | (ipatoe->mask_bits == new->mask_bits)) { |
4a71df50 FB |
544 | rc = -EEXIST; |
545 | break; | |
546 | } | |
547 | } | |
5f78e29c | 548 | |
02f510f3 | 549 | if (!rc) { |
4a71df50 | 550 | list_add_tail(&new->entry, &card->ipato.entries); |
02f510f3 JW |
551 | qeth_l3_update_ipato(card); |
552 | } | |
4a71df50 | 553 | |
df2a2a52 | 554 | mutex_unlock(&card->ip_lock); |
5f78e29c | 555 | |
4a71df50 FB |
556 | return rc; |
557 | } | |
558 | ||
b9ea5250 JW |
559 | int qeth_l3_del_ipato_entry(struct qeth_card *card, |
560 | enum qeth_prot_versions proto, u8 *addr, | |
ab29c480 | 561 | unsigned int mask_bits) |
4a71df50 FB |
562 | { |
563 | struct qeth_ipato_entry *ipatoe, *tmp; | |
b9ea5250 | 564 | int rc = -ENOENT; |
4a71df50 | 565 | |
847a50fd | 566 | QETH_CARD_TEXT(card, 2, "delipato"); |
5f78e29c | 567 | |
df2a2a52 | 568 | mutex_lock(&card->ip_lock); |
5f78e29c | 569 | |
4a71df50 FB |
570 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { |
571 | if (ipatoe->proto != proto) | |
572 | continue; | |
573 | if (!memcmp(ipatoe->addr, addr, | |
378ac80d | 574 | (proto == QETH_PROT_IPV4) ? 4 : 16) && |
4a71df50 FB |
575 | (ipatoe->mask_bits == mask_bits)) { |
576 | list_del(&ipatoe->entry); | |
02f510f3 | 577 | qeth_l3_update_ipato(card); |
4a71df50 | 578 | kfree(ipatoe); |
b9ea5250 | 579 | rc = 0; |
4a71df50 FB |
580 | } |
581 | } | |
5f78e29c | 582 | |
df2a2a52 | 583 | mutex_unlock(&card->ip_lock); |
2390166a | 584 | |
b9ea5250 | 585 | return rc; |
4a71df50 FB |
586 | } |
587 | ||
1617dae2 JW |
588 | int qeth_l3_modify_rxip_vipa(struct qeth_card *card, bool add, const u8 *ip, |
589 | enum qeth_ip_types type, | |
590 | enum qeth_prot_versions proto) | |
4a71df50 | 591 | { |
1617dae2 | 592 | struct qeth_ipaddr addr; |
4a71df50 | 593 | |
1617dae2 JW |
594 | qeth_l3_init_ipaddr(&addr, type, proto); |
595 | if (proto == QETH_PROT_IPV4) | |
596 | memcpy(&addr.u.a4.addr, ip, 4); | |
597 | else | |
598 | memcpy(&addr.u.a6.addr, ip, 16); | |
5f78e29c | 599 | |
f3380b1e | 600 | return qeth_l3_modify_ip(card, &addr, add); |
4a71df50 FB |
601 | } |
602 | ||
1617dae2 | 603 | int qeth_l3_modify_hsuid(struct qeth_card *card, bool add) |
4a71df50 | 604 | { |
1617dae2 | 605 | struct qeth_ipaddr addr; |
05a17851 | 606 | unsigned int i; |
4a71df50 | 607 | |
1617dae2 JW |
608 | qeth_l3_init_ipaddr(&addr, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV6); |
609 | addr.u.a6.addr.s6_addr[0] = 0xfe; | |
610 | addr.u.a6.addr.s6_addr[1] = 0x80; | |
611 | for (i = 0; i < 8; i++) | |
612 | addr.u.a6.addr.s6_addr[8+i] = card->options.hsuid[i]; | |
5f78e29c | 613 | |
05a17851 | 614 | return qeth_l3_modify_ip(card, &addr, add); |
4a71df50 FB |
615 | } |
616 | ||
617 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
618 | struct qeth_ipaddr *addr) | |
619 | { | |
620 | char buf[50]; | |
621 | int rc = 0; | |
622 | int cnt = 3; | |
623 | ||
bd74a7f9 JW |
624 | if (card->options.sniffer) |
625 | return 0; | |
5f78e29c | 626 | |
4a71df50 | 627 | if (addr->proto == QETH_PROT_IPV4) { |
847a50fd CO |
628 | QETH_CARD_TEXT(card, 2, "setaddr4"); |
629 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 630 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
631 | QETH_CARD_TEXT(card, 2, "setaddr6"); |
632 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
633 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 634 | } else { |
847a50fd CO |
635 | QETH_CARD_TEXT(card, 2, "setaddr?"); |
636 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
637 | } |
638 | do { | |
639 | if (addr->is_multicast) | |
640 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
641 | else | |
b1d5e36b | 642 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP); |
4a71df50 | 643 | if (rc) |
847a50fd | 644 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
645 | } while ((--cnt > 0) && rc); |
646 | if (rc) { | |
847a50fd | 647 | QETH_CARD_TEXT(card, 2, "FAILED"); |
4a71df50 | 648 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
74eacdb9 FB |
649 | dev_warn(&card->gdev->dev, |
650 | "Registering IP address %s failed\n", buf); | |
4a71df50 FB |
651 | } |
652 | return rc; | |
653 | } | |
654 | ||
655 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
656 | struct qeth_ipaddr *addr) | |
657 | { | |
658 | int rc = 0; | |
659 | ||
bd74a7f9 JW |
660 | if (card->options.sniffer) |
661 | return 0; | |
662 | ||
4a71df50 | 663 | if (addr->proto == QETH_PROT_IPV4) { |
847a50fd CO |
664 | QETH_CARD_TEXT(card, 2, "deladdr4"); |
665 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 666 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
667 | QETH_CARD_TEXT(card, 2, "deladdr6"); |
668 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
669 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 670 | } else { |
847a50fd CO |
671 | QETH_CARD_TEXT(card, 2, "deladdr?"); |
672 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
673 | } |
674 | if (addr->is_multicast) | |
675 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
676 | else | |
b1d5e36b | 677 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP); |
c4cef07c | 678 | if (rc) |
847a50fd | 679 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
680 | |
681 | return rc; | |
682 | } | |
683 | ||
4a71df50 FB |
684 | static int qeth_l3_setadapter_parms(struct qeth_card *card) |
685 | { | |
699d3fe5 | 686 | int rc = 0; |
4a71df50 | 687 | |
57a688aa | 688 | QETH_CARD_TEXT(card, 2, "setadprm"); |
4a71df50 | 689 | |
4a71df50 FB |
690 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { |
691 | rc = qeth_setadpparms_change_macaddr(card); | |
692 | if (rc) | |
74eacdb9 | 693 | dev_warn(&card->gdev->dev, "Reading the adapter MAC" |
6ea2fde1 | 694 | " address failed\n"); |
4a71df50 FB |
695 | } |
696 | ||
4a71df50 FB |
697 | return rc; |
698 | } | |
699 | ||
4a71df50 FB |
700 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) |
701 | { | |
702 | int rc; | |
703 | ||
847a50fd | 704 | QETH_CARD_TEXT(card, 3, "ipaarp"); |
4a71df50 FB |
705 | |
706 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
74eacdb9 | 707 | dev_info(&card->gdev->dev, |
84c91482 JW |
708 | "ARP processing not supported on %s!\n", |
709 | netdev_name(card->dev)); | |
4a71df50 FB |
710 | return 0; |
711 | } | |
4d7def2a | 712 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
1c696c89 | 713 | IPA_CMD_ASS_START, NULL); |
4a71df50 | 714 | if (rc) { |
74eacdb9 | 715 | dev_warn(&card->gdev->dev, |
84c91482 JW |
716 | "Starting ARP processing support for %s failed\n", |
717 | netdev_name(card->dev)); | |
4a71df50 FB |
718 | } |
719 | return rc; | |
720 | } | |
721 | ||
4a71df50 FB |
722 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) |
723 | { | |
724 | int rc; | |
725 | ||
847a50fd | 726 | QETH_CARD_TEXT(card, 3, "stsrcmac"); |
4a71df50 | 727 | |
4a71df50 | 728 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
74eacdb9 | 729 | dev_info(&card->gdev->dev, |
84c91482 JW |
730 | "Inbound source MAC-address not supported on %s\n", |
731 | netdev_name(card->dev)); | |
4a71df50 FB |
732 | return -EOPNOTSUPP; |
733 | } | |
734 | ||
4d7def2a | 735 | rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC, |
1c696c89 | 736 | IPA_CMD_ASS_START, NULL); |
4a71df50 | 737 | if (rc) |
74eacdb9 | 738 | dev_warn(&card->gdev->dev, |
84c91482 JW |
739 | "Starting source MAC-address support for %s failed\n", |
740 | netdev_name(card->dev)); | |
4a71df50 FB |
741 | return rc; |
742 | } | |
743 | ||
744 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
745 | { | |
746 | int rc = 0; | |
747 | ||
847a50fd | 748 | QETH_CARD_TEXT(card, 3, "strtvlan"); |
4a71df50 FB |
749 | |
750 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
74eacdb9 | 751 | dev_info(&card->gdev->dev, |
84c91482 | 752 | "VLAN not supported on %s\n", netdev_name(card->dev)); |
4a71df50 FB |
753 | return -EOPNOTSUPP; |
754 | } | |
755 | ||
4d7def2a | 756 | rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO, |
1c696c89 | 757 | IPA_CMD_ASS_START, NULL); |
4a71df50 | 758 | if (rc) { |
74eacdb9 | 759 | dev_warn(&card->gdev->dev, |
84c91482 JW |
760 | "Starting VLAN support for %s failed\n", |
761 | netdev_name(card->dev)); | |
4a71df50 | 762 | } else { |
74eacdb9 | 763 | dev_info(&card->gdev->dev, "VLAN enabled\n"); |
4a71df50 FB |
764 | } |
765 | return rc; | |
766 | } | |
767 | ||
768 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
769 | { | |
770 | int rc; | |
771 | ||
847a50fd | 772 | QETH_CARD_TEXT(card, 3, "stmcast"); |
4a71df50 FB |
773 | |
774 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
74eacdb9 | 775 | dev_info(&card->gdev->dev, |
84c91482 JW |
776 | "Multicast not supported on %s\n", |
777 | netdev_name(card->dev)); | |
4a71df50 FB |
778 | return -EOPNOTSUPP; |
779 | } | |
780 | ||
4d7def2a | 781 | rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING, |
1c696c89 | 782 | IPA_CMD_ASS_START, NULL); |
4a71df50 | 783 | if (rc) { |
74eacdb9 | 784 | dev_warn(&card->gdev->dev, |
84c91482 JW |
785 | "Starting multicast support for %s failed\n", |
786 | netdev_name(card->dev)); | |
4a71df50 | 787 | } else { |
74eacdb9 | 788 | dev_info(&card->gdev->dev, "Multicast enabled\n"); |
4a71df50 FB |
789 | card->dev->flags |= IFF_MULTICAST; |
790 | } | |
791 | return rc; | |
792 | } | |
793 | ||
4a71df50 FB |
794 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) |
795 | { | |
1c696c89 | 796 | u32 ipv6_data = 3; |
4a71df50 FB |
797 | int rc; |
798 | ||
847a50fd | 799 | QETH_CARD_TEXT(card, 3, "softipv6"); |
4a71df50 | 800 | |
379ac99e | 801 | if (IS_IQD(card)) |
23274596 JW |
802 | goto out; |
803 | ||
1c696c89 JW |
804 | rc = qeth_send_simple_setassparms(card, IPA_IPV6, IPA_CMD_ASS_START, |
805 | &ipv6_data); | |
4a71df50 | 806 | if (rc) { |
74eacdb9 FB |
807 | dev_err(&card->gdev->dev, |
808 | "Activating IPv6 support for %s failed\n", | |
84c91482 | 809 | netdev_name(card->dev)); |
4a71df50 FB |
810 | return rc; |
811 | } | |
1c696c89 JW |
812 | rc = qeth_send_simple_setassparms_v6(card, IPA_IPV6, IPA_CMD_ASS_START, |
813 | NULL); | |
4a71df50 | 814 | if (rc) { |
74eacdb9 FB |
815 | dev_err(&card->gdev->dev, |
816 | "Activating IPv6 support for %s failed\n", | |
84c91482 | 817 | netdev_name(card->dev)); |
4a71df50 FB |
818 | return rc; |
819 | } | |
a8155b00 | 820 | rc = qeth_send_simple_setassparms_v6(card, IPA_PASSTHRU, |
1c696c89 | 821 | IPA_CMD_ASS_START, NULL); |
4a71df50 | 822 | if (rc) { |
74eacdb9 | 823 | dev_warn(&card->gdev->dev, |
84c91482 JW |
824 | "Enabling the passthrough mode for %s failed\n", |
825 | netdev_name(card->dev)); | |
4a71df50 FB |
826 | return rc; |
827 | } | |
828 | out: | |
74eacdb9 | 829 | dev_info(&card->gdev->dev, "IPV6 enabled\n"); |
4a71df50 FB |
830 | return 0; |
831 | } | |
4a71df50 FB |
832 | |
833 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
834 | { | |
847a50fd | 835 | QETH_CARD_TEXT(card, 3, "strtipv6"); |
4a71df50 FB |
836 | |
837 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
74eacdb9 | 838 | dev_info(&card->gdev->dev, |
84c91482 | 839 | "IPv6 not supported on %s\n", netdev_name(card->dev)); |
4a71df50 FB |
840 | return 0; |
841 | } | |
c062204f | 842 | return qeth_l3_softsetup_ipv6(card); |
4a71df50 FB |
843 | } |
844 | ||
845 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
846 | { | |
1c696c89 | 847 | u32 filter_data = 1; |
4a71df50 FB |
848 | int rc; |
849 | ||
847a50fd | 850 | QETH_CARD_TEXT(card, 3, "stbrdcst"); |
4a71df50 FB |
851 | card->info.broadcast_capable = 0; |
852 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
74eacdb9 | 853 | dev_info(&card->gdev->dev, |
84c91482 JW |
854 | "Broadcast not supported on %s\n", |
855 | netdev_name(card->dev)); | |
4a71df50 FB |
856 | rc = -EOPNOTSUPP; |
857 | goto out; | |
858 | } | |
4d7def2a | 859 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
1c696c89 | 860 | IPA_CMD_ASS_START, NULL); |
4a71df50 | 861 | if (rc) { |
84c91482 JW |
862 | dev_warn(&card->gdev->dev, |
863 | "Enabling broadcast filtering for %s failed\n", | |
864 | netdev_name(card->dev)); | |
4a71df50 FB |
865 | goto out; |
866 | } | |
867 | ||
4d7def2a | 868 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
1c696c89 | 869 | IPA_CMD_ASS_CONFIGURE, &filter_data); |
4a71df50 | 870 | if (rc) { |
74eacdb9 | 871 | dev_warn(&card->gdev->dev, |
84c91482 JW |
872 | "Setting up broadcast filtering for %s failed\n", |
873 | netdev_name(card->dev)); | |
4a71df50 FB |
874 | goto out; |
875 | } | |
876 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
74eacdb9 | 877 | dev_info(&card->gdev->dev, "Broadcast enabled\n"); |
4d7def2a | 878 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
1c696c89 | 879 | IPA_CMD_ASS_ENABLE, &filter_data); |
4a71df50 | 880 | if (rc) { |
84c91482 JW |
881 | dev_warn(&card->gdev->dev, |
882 | "Setting up broadcast echo filtering for %s failed\n", | |
883 | netdev_name(card->dev)); | |
4a71df50 FB |
884 | goto out; |
885 | } | |
886 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
887 | out: | |
888 | if (card->info.broadcast_capable) | |
889 | card->dev->flags |= IFF_BROADCAST; | |
890 | else | |
891 | card->dev->flags &= ~IFF_BROADCAST; | |
892 | return rc; | |
893 | } | |
894 | ||
17d9723e | 895 | static void qeth_l3_start_ipassists(struct qeth_card *card) |
4a71df50 | 896 | { |
847a50fd | 897 | QETH_CARD_TEXT(card, 3, "strtipas"); |
d64ecc22 | 898 | |
4a71df50 | 899 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
4a71df50 FB |
900 | qeth_l3_start_ipa_source_mac(card); /* go on*/ |
901 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
902 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
903 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
904 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
4a71df50 FB |
905 | } |
906 | ||
4a71df50 FB |
907 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
908 | struct qeth_reply *reply, unsigned long data) | |
909 | { | |
742d4d40 | 910 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; |
4a71df50 | 911 | |
742d4d40 JW |
912 | if (cmd->hdr.return_code) |
913 | return -EIO; | |
13bf8295 JW |
914 | if (!is_valid_ether_addr(cmd->data.create_destroy_addr.mac_addr)) |
915 | return -EADDRNOTAVAIL; | |
742d4d40 | 916 | |
978bb0ae | 917 | eth_hw_addr_set(card->dev, cmd->data.create_destroy_addr.mac_addr); |
4a71df50 FB |
918 | return 0; |
919 | } | |
920 | ||
921 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
922 | { | |
923 | int rc = 0; | |
924 | struct qeth_cmd_buffer *iob; | |
4a71df50 | 925 | |
57a688aa | 926 | QETH_CARD_TEXT(card, 2, "hsrmac"); |
4a71df50 | 927 | |
a59d121d JW |
928 | iob = qeth_ipa_alloc_cmd(card, IPA_CMD_CREATE_ADDR, QETH_PROT_IPV6, |
929 | IPA_DATA_SIZEOF(create_destroy_addr)); | |
1aec42bc TR |
930 | if (!iob) |
931 | return -ENOMEM; | |
4a71df50 FB |
932 | |
933 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
934 | NULL); | |
935 | return rc; | |
936 | } | |
937 | ||
938 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
939 | struct qeth_reply *reply, unsigned long data) | |
940 | { | |
742d4d40 | 941 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; |
8ec1e247 | 942 | u16 *uid = reply->param; |
4a71df50 | 943 | |
742d4d40 | 944 | if (cmd->hdr.return_code == 0) { |
8ec1e247 | 945 | *uid = cmd->data.create_destroy_addr.uid; |
742d4d40 | 946 | return 0; |
4a71df50 | 947 | } |
742d4d40 | 948 | |
742d4d40 JW |
949 | dev_warn(&card->gdev->dev, "The network adapter failed to generate a unique ID\n"); |
950 | return -EIO; | |
4a71df50 FB |
951 | } |
952 | ||
8ec1e247 | 953 | static u16 qeth_l3_get_unique_id(struct qeth_card *card, u16 uid) |
4a71df50 | 954 | { |
4a71df50 | 955 | struct qeth_cmd_buffer *iob; |
4a71df50 | 956 | |
57a688aa | 957 | QETH_CARD_TEXT(card, 2, "guniqeid"); |
4a71df50 | 958 | |
8ec1e247 JW |
959 | if (!qeth_is_supported(card, IPA_IPV6)) |
960 | goto out; | |
4a71df50 | 961 | |
a59d121d JW |
962 | iob = qeth_ipa_alloc_cmd(card, IPA_CMD_CREATE_ADDR, QETH_PROT_IPV6, |
963 | IPA_DATA_SIZEOF(create_destroy_addr)); | |
1aec42bc | 964 | if (!iob) |
8ec1e247 | 965 | goto out; |
4a71df50 | 966 | |
8ec1e247 JW |
967 | __ipa_cmd(iob)->data.create_destroy_addr.uid = uid; |
968 | qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, &uid); | |
969 | ||
970 | out: | |
971 | return uid; | |
4a71df50 FB |
972 | } |
973 | ||
76b11f8e UB |
974 | static int |
975 | qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply, | |
976 | unsigned long data) | |
977 | { | |
978 | struct qeth_ipa_cmd *cmd; | |
979 | __u16 rc; | |
980 | ||
57a688aa | 981 | QETH_CARD_TEXT(card, 2, "diastrcb"); |
76b11f8e UB |
982 | |
983 | cmd = (struct qeth_ipa_cmd *)data; | |
984 | rc = cmd->hdr.return_code; | |
a959189a | 985 | if (rc) |
847a50fd | 986 | QETH_CARD_TEXT_(card, 2, "dxter%x", rc); |
76b11f8e UB |
987 | switch (cmd->data.diagass.action) { |
988 | case QETH_DIAGS_CMD_TRACE_QUERY: | |
989 | break; | |
990 | case QETH_DIAGS_CMD_TRACE_DISABLE: | |
a959189a UB |
991 | switch (rc) { |
992 | case 0: | |
993 | case IPA_RC_INVALID_SUBCMD: | |
994 | card->info.promisc_mode = SET_PROMISC_MODE_OFF; | |
995 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
996 | "traffic analyzer is deactivated\n"); | |
997 | break; | |
998 | default: | |
999 | break; | |
1000 | } | |
76b11f8e UB |
1001 | break; |
1002 | case QETH_DIAGS_CMD_TRACE_ENABLE: | |
a959189a UB |
1003 | switch (rc) { |
1004 | case 0: | |
1005 | card->info.promisc_mode = SET_PROMISC_MODE_ON; | |
1006 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1007 | "traffic analyzer is activated\n"); | |
1008 | break; | |
1009 | case IPA_RC_HARDWARE_AUTH_ERROR: | |
1010 | dev_warn(&card->gdev->dev, "The device is not " | |
1011 | "authorized to run as a HiperSockets network " | |
1012 | "traffic analyzer\n"); | |
1013 | break; | |
1014 | case IPA_RC_TRACE_ALREADY_ACTIVE: | |
1015 | dev_warn(&card->gdev->dev, "A HiperSockets " | |
1016 | "network traffic analyzer is already " | |
1017 | "active in the HiperSockets LAN\n"); | |
1018 | break; | |
1019 | default: | |
1020 | break; | |
1021 | } | |
76b11f8e UB |
1022 | break; |
1023 | default: | |
e19e5be8 JW |
1024 | QETH_DBF_MESSAGE(2, "Unknown sniffer action (%#06x) on device %x\n", |
1025 | cmd->data.diagass.action, CARD_DEVID(card)); | |
76b11f8e UB |
1026 | } |
1027 | ||
742d4d40 | 1028 | return rc ? -EIO : 0; |
76b11f8e UB |
1029 | } |
1030 | ||
1031 | static int | |
1032 | qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) | |
1033 | { | |
1034 | struct qeth_cmd_buffer *iob; | |
1035 | struct qeth_ipa_cmd *cmd; | |
1036 | ||
57a688aa | 1037 | QETH_CARD_TEXT(card, 2, "diagtrac"); |
76b11f8e | 1038 | |
5cfbe10a | 1039 | iob = qeth_get_diag_cmd(card, QETH_DIAGS_CMD_TRACE, 0); |
1aec42bc TR |
1040 | if (!iob) |
1041 | return -ENOMEM; | |
ff5caa7a | 1042 | cmd = __ipa_cmd(iob); |
76b11f8e UB |
1043 | cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET; |
1044 | cmd->data.diagass.action = diags_cmd; | |
1045 | return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL); | |
1046 | } | |
1047 | ||
8659c189 | 1048 | static int qeth_l3_add_mcast_rtnl(struct net_device *dev, int vid, void *arg) |
4a71df50 | 1049 | { |
8659c189 | 1050 | struct qeth_card *card = arg; |
611abe51 JW |
1051 | struct inet6_dev *in6_dev; |
1052 | struct in_device *in4_dev; | |
1053 | struct qeth_ipaddr *ipm; | |
b80c08ac | 1054 | struct qeth_ipaddr tmp; |
4a71df50 | 1055 | struct ip_mc_list *im4; |
611abe51 | 1056 | struct ifmcaddr6 *im6; |
4a71df50 | 1057 | |
847a50fd | 1058 | QETH_CARD_TEXT(card, 4, "addmc"); |
5f78e29c | 1059 | |
611abe51 JW |
1060 | if (!dev || !(dev->flags & IFF_UP)) |
1061 | goto out; | |
1062 | ||
8659c189 | 1063 | in4_dev = __in_dev_get_rtnl(dev); |
611abe51 JW |
1064 | if (!in4_dev) |
1065 | goto walk_ipv6; | |
5f78e29c | 1066 | |
b80c08ac JW |
1067 | qeth_l3_init_ipaddr(&tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV4); |
1068 | tmp.disp_flag = QETH_DISP_ADDR_ADD; | |
1069 | tmp.is_multicast = 1; | |
1070 | ||
8659c189 JW |
1071 | for (im4 = rtnl_dereference(in4_dev->mc_list); im4 != NULL; |
1072 | im4 = rtnl_dereference(im4->next_rcu)) { | |
b80c08ac | 1073 | tmp.u.a4.addr = im4->multiaddr; |
5f78e29c | 1074 | |
b80c08ac | 1075 | ipm = qeth_l3_find_addr_by_ip(card, &tmp); |
5f78e29c | 1076 | if (ipm) { |
c5c48c58 | 1077 | /* for mcast, by-IP match means full match */ |
5f78e29c | 1078 | ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING; |
b80c08ac | 1079 | continue; |
5f78e29c | 1080 | } |
b80c08ac JW |
1081 | |
1082 | ipm = kmemdup(&tmp, sizeof(tmp), GFP_KERNEL); | |
1083 | if (!ipm) | |
1084 | continue; | |
1085 | ||
0973292f | 1086 | hash_add(card->rx_mode_addrs, &ipm->hnode, |
b80c08ac | 1087 | qeth_l3_ipaddr_hash(ipm)); |
4a71df50 | 1088 | } |
5f78e29c | 1089 | |
611abe51 JW |
1090 | walk_ipv6: |
1091 | if (!qeth_is_supported(card, IPA_IPV6)) | |
1092 | goto out; | |
4a71df50 | 1093 | |
611abe51 JW |
1094 | in6_dev = __in6_dev_get(dev); |
1095 | if (!in6_dev) | |
1096 | goto out; | |
5f78e29c | 1097 | |
b80c08ac JW |
1098 | qeth_l3_init_ipaddr(&tmp, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV6); |
1099 | tmp.disp_flag = QETH_DISP_ADDR_ADD; | |
1100 | tmp.is_multicast = 1; | |
5f78e29c | 1101 | |
88e2ca30 TY |
1102 | for (im6 = rtnl_dereference(in6_dev->mc_list); |
1103 | im6; | |
1104 | im6 = rtnl_dereference(im6->next)) { | |
b80c08ac | 1105 | tmp.u.a6.addr = im6->mca_addr; |
5f78e29c | 1106 | |
b80c08ac | 1107 | ipm = qeth_l3_find_addr_by_ip(card, &tmp); |
5f78e29c | 1108 | if (ipm) { |
c5c48c58 | 1109 | /* for mcast, by-IP match means full match */ |
5f78e29c LD |
1110 | ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING; |
1111 | continue; | |
1112 | } | |
1113 | ||
b80c08ac | 1114 | ipm = kmemdup(&tmp, sizeof(tmp), GFP_ATOMIC); |
4a71df50 FB |
1115 | if (!ipm) |
1116 | continue; | |
5f78e29c | 1117 | |
0973292f JW |
1118 | hash_add(card->rx_mode_addrs, &ipm->hnode, |
1119 | qeth_l3_ipaddr_hash(ipm)); | |
5f78e29c | 1120 | |
4a71df50 | 1121 | } |
ddf28100 | 1122 | |
611abe51 | 1123 | out: |
8659c189 | 1124 | return 0; |
4a71df50 FB |
1125 | } |
1126 | ||
59b757a9 | 1127 | static void qeth_l3_set_promisc_mode(struct qeth_card *card) |
76b11f8e | 1128 | { |
59b757a9 | 1129 | bool enable = card->dev->flags & IFF_PROMISC; |
76b11f8e | 1130 | |
59b757a9 | 1131 | if (card->info.promisc_mode == enable) |
76b11f8e UB |
1132 | return; |
1133 | ||
379ac99e | 1134 | if (IS_VM_NIC(card)) { /* Guestlan trace */ |
76b11f8e | 1135 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) |
59b757a9 | 1136 | qeth_setadp_promisc_mode(card, enable); |
76b11f8e UB |
1137 | } else if (card->options.sniffer && /* HiperSockets trace */ |
1138 | qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) { | |
59b757a9 | 1139 | if (enable) { |
847a50fd | 1140 | QETH_CARD_TEXT(card, 3, "+promisc"); |
76b11f8e UB |
1141 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE); |
1142 | } else { | |
847a50fd | 1143 | QETH_CARD_TEXT(card, 3, "-promisc"); |
76b11f8e UB |
1144 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); |
1145 | } | |
1146 | } | |
1147 | } | |
1148 | ||
d0c74825 | 1149 | static void qeth_l3_rx_mode_work(struct work_struct *work) |
4a71df50 | 1150 | { |
d0c74825 JW |
1151 | struct qeth_card *card = container_of(work, struct qeth_card, |
1152 | rx_mode_work); | |
00c163f1 JW |
1153 | struct qeth_ipaddr *addr; |
1154 | struct hlist_node *tmp; | |
1155 | int i, rc; | |
4a71df50 | 1156 | |
847a50fd | 1157 | QETH_CARD_TEXT(card, 3, "setmulti"); |
e6e771b3 | 1158 | |
76b11f8e | 1159 | if (!card->options.sniffer) { |
8659c189 JW |
1160 | rtnl_lock(); |
1161 | qeth_l3_add_mcast_rtnl(card->dev, 0, card); | |
611abe51 | 1162 | if (qeth_is_supported(card, IPA_FULL_VLAN)) |
8659c189 JW |
1163 | vlan_for_each(card->dev, qeth_l3_add_mcast_rtnl, card); |
1164 | rtnl_unlock(); | |
00c163f1 | 1165 | |
0973292f | 1166 | hash_for_each_safe(card->rx_mode_addrs, i, tmp, addr, hnode) { |
00c163f1 JW |
1167 | switch (addr->disp_flag) { |
1168 | case QETH_DISP_ADDR_DELETE: | |
1169 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
4b7ae122 | 1170 | if (!rc || rc == -ENOENT) { |
00c163f1 JW |
1171 | hash_del(&addr->hnode); |
1172 | kfree(addr); | |
1173 | } | |
1174 | break; | |
1175 | case QETH_DISP_ADDR_ADD: | |
1176 | rc = qeth_l3_register_addr_entry(card, addr); | |
4b7ae122 | 1177 | if (rc && rc != -ENETDOWN) { |
00c163f1 JW |
1178 | hash_del(&addr->hnode); |
1179 | kfree(addr); | |
1180 | break; | |
1181 | } | |
df561f66 | 1182 | fallthrough; |
00c163f1 JW |
1183 | default: |
1184 | /* for next call to set_rx_mode(): */ | |
1185 | addr->disp_flag = QETH_DISP_ADDR_DELETE; | |
1186 | } | |
1187 | } | |
76b11f8e | 1188 | } |
59b757a9 JW |
1189 | |
1190 | qeth_l3_set_promisc_mode(card); | |
4a71df50 FB |
1191 | } |
1192 | ||
742d4d40 | 1193 | static int qeth_l3_arp_makerc(u16 rc) |
4a71df50 | 1194 | { |
e19e5be8 JW |
1195 | switch (rc) { |
1196 | case IPA_RC_SUCCESS: | |
1197 | return 0; | |
4a71df50 | 1198 | case QETH_IPA_ARP_RC_NOTSUPP: |
4a71df50 | 1199 | case QETH_IPA_ARP_RC_Q_NOTSUPP: |
e19e5be8 JW |
1200 | return -EOPNOTSUPP; |
1201 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
1202 | return -EINVAL; | |
4a71df50 | 1203 | case QETH_IPA_ARP_RC_Q_NO_DATA: |
e19e5be8 | 1204 | return -ENOENT; |
4a71df50 | 1205 | default: |
e19e5be8 | 1206 | return -EIO; |
4a71df50 FB |
1207 | } |
1208 | } | |
1209 | ||
742d4d40 JW |
1210 | static int qeth_l3_arp_cmd_cb(struct qeth_card *card, struct qeth_reply *reply, |
1211 | unsigned long data) | |
1212 | { | |
1213 | struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; | |
1214 | ||
1215 | qeth_setassparms_cb(card, reply, data); | |
1216 | return qeth_l3_arp_makerc(cmd->hdr.return_code); | |
1217 | } | |
1218 | ||
4a71df50 FB |
1219 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) |
1220 | { | |
742d4d40 | 1221 | struct qeth_cmd_buffer *iob; |
4a71df50 FB |
1222 | int rc; |
1223 | ||
847a50fd | 1224 | QETH_CARD_TEXT(card, 3, "arpstnoe"); |
4a71df50 FB |
1225 | |
1226 | /* | |
1227 | * currently GuestLAN only supports the ARP assist function | |
1228 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
1229 | * thus we say EOPNOTSUPP for this ARP function | |
1230 | */ | |
379ac99e | 1231 | if (IS_VM_NIC(card)) |
4a71df50 FB |
1232 | return -EOPNOTSUPP; |
1233 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
1234 | return -EOPNOTSUPP; |
1235 | } | |
742d4d40 JW |
1236 | |
1237 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
b9150461 JW |
1238 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, |
1239 | SETASS_DATA_SIZEOF(flags_32bit), | |
742d4d40 JW |
1240 | QETH_PROT_IPV4); |
1241 | if (!iob) | |
1242 | return -ENOMEM; | |
1243 | ||
1244 | __ipa_cmd(iob)->data.setassparms.data.flags_32bit = (u32) no_entries; | |
1245 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_arp_cmd_cb, NULL); | |
e19e5be8 JW |
1246 | if (rc) |
1247 | QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on device %x: %#x\n", | |
1248 | CARD_DEVID(card), rc); | |
742d4d40 | 1249 | return rc; |
4a71df50 FB |
1250 | } |
1251 | ||
d0ddf30f EL |
1252 | static __u32 get_arp_entry_size(struct qeth_card *card, |
1253 | struct qeth_arp_query_data *qdata, | |
1254 | struct qeth_arp_entrytype *type, __u8 strip_entries) | |
4a71df50 | 1255 | { |
d0ddf30f EL |
1256 | __u32 rc; |
1257 | __u8 is_hsi; | |
4a71df50 | 1258 | |
d0ddf30f EL |
1259 | is_hsi = qdata->reply_bits == 5; |
1260 | if (type->ip == QETHARP_IP_ADDR_V4) { | |
1261 | QETH_CARD_TEXT(card, 4, "arpev4"); | |
1262 | if (strip_entries) { | |
1263 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : | |
1264 | sizeof(struct qeth_arp_qi_entry7_short); | |
1265 | } else { | |
1266 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : | |
1267 | sizeof(struct qeth_arp_qi_entry7); | |
1268 | } | |
1269 | } else if (type->ip == QETHARP_IP_ADDR_V6) { | |
1270 | QETH_CARD_TEXT(card, 4, "arpev6"); | |
1271 | if (strip_entries) { | |
1272 | rc = is_hsi ? | |
1273 | sizeof(struct qeth_arp_qi_entry5_short_ipv6) : | |
1274 | sizeof(struct qeth_arp_qi_entry7_short_ipv6); | |
1275 | } else { | |
1276 | rc = is_hsi ? | |
1277 | sizeof(struct qeth_arp_qi_entry5_ipv6) : | |
1278 | sizeof(struct qeth_arp_qi_entry7_ipv6); | |
1279 | } | |
1280 | } else { | |
1281 | QETH_CARD_TEXT(card, 4, "arpinv"); | |
1282 | rc = 0; | |
4a71df50 | 1283 | } |
d0ddf30f EL |
1284 | |
1285 | return rc; | |
1286 | } | |
1287 | ||
1288 | static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) | |
1289 | { | |
1290 | return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || | |
1291 | (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); | |
4a71df50 FB |
1292 | } |
1293 | ||
1294 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
1295 | struct qeth_reply *reply, unsigned long data) | |
1296 | { | |
1297 | struct qeth_ipa_cmd *cmd; | |
1298 | struct qeth_arp_query_data *qdata; | |
1299 | struct qeth_arp_query_info *qinfo; | |
d0ddf30f EL |
1300 | int e; |
1301 | int entrybytes_done; | |
1302 | int stripped_bytes; | |
1303 | __u8 do_strip_entries; | |
4a71df50 | 1304 | |
d0ddf30f | 1305 | QETH_CARD_TEXT(card, 3, "arpquecb"); |
4a71df50 FB |
1306 | |
1307 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
1308 | cmd = (struct qeth_ipa_cmd *) data; | |
d0ddf30f | 1309 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); |
4a71df50 | 1310 | if (cmd->hdr.return_code) { |
d0ddf30f EL |
1311 | QETH_CARD_TEXT(card, 4, "arpcberr"); |
1312 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4b7ae122 | 1313 | return qeth_l3_arp_makerc(cmd->hdr.return_code); |
4a71df50 FB |
1314 | } |
1315 | if (cmd->data.setassparms.hdr.return_code) { | |
1316 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d0ddf30f EL |
1317 | QETH_CARD_TEXT(card, 4, "setaperr"); |
1318 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4b7ae122 | 1319 | return qeth_l3_arp_makerc(cmd->hdr.return_code); |
4a71df50 FB |
1320 | } |
1321 | qdata = &cmd->data.setassparms.data.query_arp; | |
847a50fd | 1322 | QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); |
4a71df50 | 1323 | |
d0ddf30f EL |
1324 | do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; |
1325 | stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; | |
1326 | entrybytes_done = 0; | |
1327 | for (e = 0; e < qdata->no_entries; ++e) { | |
1328 | char *cur_entry; | |
1329 | __u32 esize; | |
1330 | struct qeth_arp_entrytype *etype; | |
1331 | ||
1332 | cur_entry = &qdata->data + entrybytes_done; | |
1333 | etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; | |
1334 | if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { | |
1335 | QETH_CARD_TEXT(card, 4, "pmis"); | |
1336 | QETH_CARD_TEXT_(card, 4, "%i", etype->ip); | |
1337 | break; | |
1338 | } | |
1339 | esize = get_arp_entry_size(card, qdata, etype, | |
1340 | do_strip_entries); | |
1341 | QETH_CARD_TEXT_(card, 5, "esz%i", esize); | |
1342 | if (!esize) | |
1343 | break; | |
1344 | ||
1345 | if ((qinfo->udata_len - qinfo->udata_offset) < esize) { | |
4b7ae122 JW |
1346 | QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOSPC); |
1347 | memset(qinfo->udata, 0, 4); | |
1348 | return -ENOSPC; | |
d0ddf30f | 1349 | } |
4a71df50 | 1350 | |
d0ddf30f EL |
1351 | memcpy(qinfo->udata + qinfo->udata_offset, |
1352 | &qdata->data + entrybytes_done + stripped_bytes, | |
1353 | esize); | |
1354 | entrybytes_done += esize + stripped_bytes; | |
1355 | qinfo->udata_offset += esize; | |
1356 | ++qinfo->no_entries; | |
1357 | } | |
4a71df50 FB |
1358 | /* check if all replies received ... */ |
1359 | if (cmd->data.setassparms.hdr.seq_no < | |
1360 | cmd->data.setassparms.hdr.number_of_replies) | |
1361 | return 1; | |
d0ddf30f | 1362 | QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); |
4a71df50 FB |
1363 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
1364 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
1365 | * stripped entries from normal ones */ | |
1366 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
1367 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
1368 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
d0ddf30f | 1369 | QETH_CARD_TEXT_(card, 4, "rc%i", 0); |
4a71df50 | 1370 | return 0; |
4a71df50 FB |
1371 | } |
1372 | ||
d0ddf30f EL |
1373 | static int qeth_l3_query_arp_cache_info(struct qeth_card *card, |
1374 | enum qeth_prot_versions prot, | |
1375 | struct qeth_arp_query_info *qinfo) | |
4a71df50 FB |
1376 | { |
1377 | struct qeth_cmd_buffer *iob; | |
d0ddf30f | 1378 | struct qeth_ipa_cmd *cmd; |
4a71df50 FB |
1379 | int rc; |
1380 | ||
d0ddf30f EL |
1381 | QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); |
1382 | ||
b475e316 TR |
1383 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
1384 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
b9150461 | 1385 | SETASS_DATA_SIZEOF(query_arp), prot); |
1aec42bc TR |
1386 | if (!iob) |
1387 | return -ENOMEM; | |
ff5caa7a | 1388 | cmd = __ipa_cmd(iob); |
d0ddf30f | 1389 | cmd->data.setassparms.data.query_arp.request_bits = 0x000F; |
84dbea46 | 1390 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_arp_query_cb, qinfo); |
e19e5be8 JW |
1391 | if (rc) |
1392 | QETH_DBF_MESSAGE(2, "Error while querying ARP cache on device %x: %#x\n", | |
1393 | CARD_DEVID(card), rc); | |
4b7ae122 | 1394 | return rc; |
d0ddf30f EL |
1395 | } |
1396 | ||
1397 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
1398 | { | |
1399 | struct qeth_arp_query_info qinfo = {0, }; | |
1400 | int rc; | |
1401 | ||
847a50fd | 1402 | QETH_CARD_TEXT(card, 3, "arpquery"); |
4a71df50 FB |
1403 | |
1404 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
1405 | IPA_ARP_PROCESSING)) { | |
d0ddf30f EL |
1406 | QETH_CARD_TEXT(card, 3, "arpqnsup"); |
1407 | rc = -EOPNOTSUPP; | |
1408 | goto out; | |
4a71df50 FB |
1409 | } |
1410 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
d0ddf30f EL |
1411 | if (copy_from_user(&qinfo, udata, 6)) { |
1412 | rc = -EFAULT; | |
1413 | goto out; | |
1414 | } | |
4a71df50 | 1415 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
d0ddf30f EL |
1416 | if (!qinfo.udata) { |
1417 | rc = -ENOMEM; | |
1418 | goto out; | |
1419 | } | |
4a71df50 | 1420 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
d0ddf30f | 1421 | rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); |
4a71df50 | 1422 | if (rc) { |
4a71df50 FB |
1423 | if (copy_to_user(udata, qinfo.udata, 4)) |
1424 | rc = -EFAULT; | |
77a83ed1 SO |
1425 | goto free_and_out; |
1426 | } | |
77a83ed1 SO |
1427 | if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { |
1428 | /* fails in case of GuestLAN QDIO mode */ | |
1429 | qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, &qinfo); | |
1430 | } | |
77a83ed1 SO |
1431 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { |
1432 | QETH_CARD_TEXT(card, 4, "qactf"); | |
1433 | rc = -EFAULT; | |
1434 | goto free_and_out; | |
4a71df50 | 1435 | } |
77a83ed1 SO |
1436 | QETH_CARD_TEXT(card, 4, "qacts"); |
1437 | ||
d0ddf30f | 1438 | free_and_out: |
4a71df50 | 1439 | kfree(qinfo.udata); |
d0ddf30f | 1440 | out: |
4a71df50 FB |
1441 | return rc; |
1442 | } | |
1443 | ||
125d7d30 JW |
1444 | static int qeth_l3_arp_modify_entry(struct qeth_card *card, |
1445 | struct qeth_arp_cache_entry *entry, | |
1446 | enum qeth_arp_process_subcmds arp_cmd) | |
4a71df50 | 1447 | { |
125d7d30 | 1448 | struct qeth_arp_cache_entry *cmd_entry; |
4a71df50 | 1449 | struct qeth_cmd_buffer *iob; |
4a71df50 FB |
1450 | int rc; |
1451 | ||
125d7d30 JW |
1452 | if (arp_cmd == IPA_CMD_ASS_ARP_ADD_ENTRY) |
1453 | QETH_CARD_TEXT(card, 3, "arpadd"); | |
1454 | else | |
1455 | QETH_CARD_TEXT(card, 3, "arpdel"); | |
4a71df50 FB |
1456 | |
1457 | /* | |
1458 | * currently GuestLAN only supports the ARP assist function | |
1459 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
1460 | * thus we say EOPNOTSUPP for this ARP function | |
1461 | */ | |
379ac99e | 1462 | if (IS_VM_NIC(card)) |
4a71df50 FB |
1463 | return -EOPNOTSUPP; |
1464 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
1465 | return -EOPNOTSUPP; |
1466 | } | |
1467 | ||
125d7d30 | 1468 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, arp_cmd, |
b9150461 JW |
1469 | SETASS_DATA_SIZEOF(arp_entry), |
1470 | QETH_PROT_IPV4); | |
1aec42bc TR |
1471 | if (!iob) |
1472 | return -ENOMEM; | |
4a71df50 | 1473 | |
125d7d30 JW |
1474 | cmd_entry = &__ipa_cmd(iob)->data.setassparms.data.arp_entry; |
1475 | ether_addr_copy(cmd_entry->macaddr, entry->macaddr); | |
1476 | memcpy(cmd_entry->ipaddr, entry->ipaddr, 4); | |
742d4d40 | 1477 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_arp_cmd_cb, NULL); |
e19e5be8 | 1478 | if (rc) |
125d7d30 JW |
1479 | QETH_DBF_MESSAGE(2, "Could not modify (cmd: %#x) ARP entry on device %x: %#x\n", |
1480 | arp_cmd, CARD_DEVID(card), rc); | |
742d4d40 | 1481 | return rc; |
4a71df50 FB |
1482 | } |
1483 | ||
1484 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
1485 | { | |
742d4d40 | 1486 | struct qeth_cmd_buffer *iob; |
4a71df50 | 1487 | int rc; |
4a71df50 | 1488 | |
847a50fd | 1489 | QETH_CARD_TEXT(card, 3, "arpflush"); |
4a71df50 FB |
1490 | |
1491 | /* | |
1492 | * currently GuestLAN only supports the ARP assist function | |
1493 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
1494 | * thus we say EOPNOTSUPP for this ARP function | |
1495 | */ | |
379ac99e | 1496 | if (IS_VM_NIC(card) || IS_IQD(card)) |
4a71df50 FB |
1497 | return -EOPNOTSUPP; |
1498 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
1499 | return -EOPNOTSUPP; |
1500 | } | |
742d4d40 JW |
1501 | |
1502 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
1503 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0, | |
1504 | QETH_PROT_IPV4); | |
1505 | if (!iob) | |
1506 | return -ENOMEM; | |
1507 | ||
1508 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_arp_cmd_cb, NULL); | |
e19e5be8 JW |
1509 | if (rc) |
1510 | QETH_DBF_MESSAGE(2, "Could not flush ARP cache on device %x: %#x\n", | |
1511 | CARD_DEVID(card), rc); | |
742d4d40 | 1512 | return rc; |
4a71df50 FB |
1513 | } |
1514 | ||
2decb0b7 JW |
1515 | static int qeth_l3_ndo_siocdevprivate(struct net_device *dev, struct ifreq *rq, |
1516 | void __user *data, int cmd) | |
4a71df50 | 1517 | { |
509e2562 | 1518 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 1519 | struct qeth_arp_cache_entry arp_entry; |
125d7d30 | 1520 | enum qeth_arp_process_subcmds arp_cmd; |
4a71df50 FB |
1521 | int rc = 0; |
1522 | ||
4a71df50 FB |
1523 | switch (cmd) { |
1524 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
1525 | if (!capable(CAP_NET_ADMIN)) { | |
1526 | rc = -EPERM; | |
1527 | break; | |
1528 | } | |
1529 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
1530 | break; | |
1531 | case SIOC_QETH_ARP_QUERY_INFO: | |
1532 | if (!capable(CAP_NET_ADMIN)) { | |
1533 | rc = -EPERM; | |
1534 | break; | |
1535 | } | |
18787eee | 1536 | rc = qeth_l3_arp_query(card, data); |
4a71df50 FB |
1537 | break; |
1538 | case SIOC_QETH_ARP_ADD_ENTRY: | |
4a71df50 | 1539 | case SIOC_QETH_ARP_REMOVE_ENTRY: |
125d7d30 JW |
1540 | if (!capable(CAP_NET_ADMIN)) |
1541 | return -EPERM; | |
18787eee | 1542 | if (copy_from_user(&arp_entry, data, sizeof(arp_entry))) |
125d7d30 JW |
1543 | return -EFAULT; |
1544 | ||
1545 | arp_cmd = (cmd == SIOC_QETH_ARP_ADD_ENTRY) ? | |
1546 | IPA_CMD_ASS_ARP_ADD_ENTRY : | |
1547 | IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
1548 | return qeth_l3_arp_modify_entry(card, &arp_entry, arp_cmd); | |
4a71df50 FB |
1549 | case SIOC_QETH_ARP_FLUSH_CACHE: |
1550 | if (!capable(CAP_NET_ADMIN)) { | |
1551 | rc = -EPERM; | |
1552 | break; | |
1553 | } | |
1554 | rc = qeth_l3_arp_flush_cache(card); | |
1555 | break; | |
4a71df50 | 1556 | default: |
2decb0b7 | 1557 | rc = qeth_siocdevprivate(dev, rq, data, cmd); |
4a71df50 | 1558 | } |
4a71df50 FB |
1559 | return rc; |
1560 | } | |
1561 | ||
980f4568 | 1562 | static int qeth_l3_get_cast_type_rcu(struct sk_buff *skb, struct dst_entry *dst, |
17f3a8b5 | 1563 | __be16 proto) |
ce73e10e | 1564 | { |
69cce1d1 | 1565 | struct neighbour *n = NULL; |
69cce1d1 | 1566 | |
980f4568 JW |
1567 | if (dst) |
1568 | n = dst_neigh_lookup_skb(dst, skb); | |
0cd6783d | 1569 | |
69cce1d1 | 1570 | if (n) { |
1f979123 JW |
1571 | int cast_type = n->type; |
1572 | ||
24db1ba8 | 1573 | neigh_release(n); |
ce73e10e KDW |
1574 | if ((cast_type == RTN_BROADCAST) || |
1575 | (cast_type == RTN_MULTICAST) || | |
1576 | (cast_type == RTN_ANYCAST)) | |
1577 | return cast_type; | |
86c0cdb9 | 1578 | return RTN_UNICAST; |
ce73e10e | 1579 | } |
1d36cb47 | 1580 | |
1f979123 | 1581 | /* no neighbour (eg AF_PACKET), fall back to target's IP address ... */ |
17f3a8b5 JW |
1582 | switch (proto) { |
1583 | case htons(ETH_P_IP): | |
72c87976 JW |
1584 | if (ipv4_is_lbcast(ip_hdr(skb)->daddr)) |
1585 | return RTN_BROADCAST; | |
1f979123 | 1586 | return ipv4_is_multicast(ip_hdr(skb)->daddr) ? |
86c0cdb9 | 1587 | RTN_MULTICAST : RTN_UNICAST; |
17f3a8b5 | 1588 | case htons(ETH_P_IPV6): |
f13ade19 JW |
1589 | return ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr) ? |
1590 | RTN_MULTICAST : RTN_UNICAST; | |
a667fee1 JW |
1591 | case htons(ETH_P_AF_IUCV): |
1592 | return RTN_UNICAST; | |
f13ade19 | 1593 | default: |
a667fee1 | 1594 | /* OSA only: ... and MAC address */ |
58aa2491 | 1595 | return qeth_get_ether_cast_type(skb); |
f13ade19 | 1596 | } |
ce73e10e KDW |
1597 | } |
1598 | ||
c61dff3c | 1599 | static int qeth_l3_get_cast_type(struct sk_buff *skb, __be16 proto) |
980f4568 | 1600 | { |
980f4568 JW |
1601 | struct dst_entry *dst; |
1602 | int cast_type; | |
1603 | ||
1604 | rcu_read_lock(); | |
17f3a8b5 JW |
1605 | dst = qeth_dst_check_rcu(skb, proto); |
1606 | cast_type = qeth_l3_get_cast_type_rcu(skb, dst, proto); | |
980f4568 JW |
1607 | rcu_read_unlock(); |
1608 | ||
1609 | return cast_type; | |
1610 | } | |
1611 | ||
910a0a8f | 1612 | static u8 qeth_l3_cast_type_to_flag(int cast_type) |
4a71df50 | 1613 | { |
910a0a8f JW |
1614 | if (cast_type == RTN_MULTICAST) |
1615 | return QETH_CAST_MULTICAST; | |
1616 | if (cast_type == RTN_ANYCAST) | |
1617 | return QETH_CAST_ANYCAST; | |
1618 | if (cast_type == RTN_BROADCAST) | |
1619 | return QETH_CAST_BROADCAST; | |
1620 | return QETH_CAST_UNICAST; | |
1621 | } | |
69cce1d1 | 1622 | |
b0abc4f5 JW |
1623 | static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue, |
1624 | struct qeth_hdr *hdr, struct sk_buff *skb, | |
17f3a8b5 | 1625 | __be16 proto, unsigned int data_len) |
910a0a8f | 1626 | { |
5a541f6d | 1627 | struct qeth_hdr_layer3 *l3_hdr = &hdr->hdr.l3; |
f13ade19 | 1628 | struct vlan_ethhdr *veth = vlan_eth_hdr(skb); |
b0abc4f5 | 1629 | struct qeth_card *card = queue->card; |
0cd6783d | 1630 | struct dst_entry *dst; |
eca1d5c2 | 1631 | int cast_type; |
f13ade19 | 1632 | |
f6c13142 | 1633 | hdr->hdr.l3.length = data_len; |
4a71df50 | 1634 | |
e517b649 | 1635 | if (skb_is_gso(skb)) { |
0aef8392 | 1636 | hdr->hdr.l3.id = QETH_HEADER_TYPE_L3_TSO; |
e517b649 JW |
1637 | } else { |
1638 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
5a541f6d | 1639 | |
e517b649 | 1640 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
17f3a8b5 | 1641 | qeth_tx_csum(skb, &hdr->hdr.l3.ext_flags, proto); |
e517b649 | 1642 | /* some HW requires combined L3+L4 csum offload: */ |
17f3a8b5 | 1643 | if (proto == htons(ETH_P_IP)) |
e517b649 | 1644 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_HDR_REQ; |
e517b649 JW |
1645 | } |
1646 | } | |
1647 | ||
17f3a8b5 | 1648 | if (proto == htons(ETH_P_IP) || IS_IQD(card)) { |
f13ade19 JW |
1649 | /* NETIF_F_HW_VLAN_CTAG_TX */ |
1650 | if (skb_vlan_tag_present(skb)) { | |
1651 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_VLAN_FRAME; | |
1652 | hdr->hdr.l3.vlan_id = skb_vlan_tag_get(skb); | |
1653 | } | |
1654 | } else if (veth->h_vlan_proto == htons(ETH_P_8021Q)) { | |
1655 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
1656 | hdr->hdr.l3.vlan_id = ntohs(veth->h_vlan_TCI); | |
4a71df50 FB |
1657 | } |
1658 | ||
1d36cb47 | 1659 | rcu_read_lock(); |
17f3a8b5 | 1660 | dst = qeth_dst_check_rcu(skb, proto); |
0cd6783d | 1661 | |
eca1d5c2 JW |
1662 | if (IS_IQD(card) && skb_get_queue_mapping(skb) != QETH_IQD_MCAST_TXQ) |
1663 | cast_type = RTN_UNICAST; | |
1664 | else | |
17f3a8b5 | 1665 | cast_type = qeth_l3_get_cast_type_rcu(skb, dst, proto); |
eca1d5c2 JW |
1666 | l3_hdr->flags |= qeth_l3_cast_type_to_flag(cast_type); |
1667 | ||
a667fee1 JW |
1668 | switch (proto) { |
1669 | case htons(ETH_P_IP): | |
1d38c2e4 JW |
1670 | l3_hdr->next_hop.addr.s6_addr32[3] = |
1671 | qeth_next_hop_v4_rcu(skb, dst); | |
a667fee1 JW |
1672 | break; |
1673 | case htons(ETH_P_IPV6): | |
1d38c2e4 | 1674 | l3_hdr->next_hop.addr = *qeth_next_hop_v6_rcu(skb, dst); |
87e7597b | 1675 | |
910a0a8f | 1676 | hdr->hdr.l3.flags |= QETH_HDR_IPV6; |
379ac99e | 1677 | if (!IS_IQD(card)) |
910a0a8f | 1678 | hdr->hdr.l3.flags |= QETH_HDR_PASSTHRU; |
a667fee1 JW |
1679 | break; |
1680 | case htons(ETH_P_AF_IUCV): | |
1681 | l3_hdr->next_hop.addr.s6_addr16[0] = htons(0xfe80); | |
1682 | memcpy(&l3_hdr->next_hop.addr.s6_addr32[2], | |
1683 | iucv_trans_hdr(skb)->destUserID, 8); | |
1684 | l3_hdr->flags |= QETH_HDR_IPV6; | |
1685 | break; | |
1686 | default: | |
eca1d5c2 JW |
1687 | /* OSA only: */ |
1688 | l3_hdr->flags |= QETH_HDR_PASSTHRU; | |
4a71df50 | 1689 | } |
1d36cb47 | 1690 | rcu_read_unlock(); |
4a71df50 FB |
1691 | } |
1692 | ||
2d3986d1 JW |
1693 | static void qeth_l3_fixup_headers(struct sk_buff *skb) |
1694 | { | |
1695 | struct iphdr *iph = ip_hdr(skb); | |
1696 | ||
1697 | /* this is safe, IPv6 traffic takes a different path */ | |
1698 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
1699 | iph->check = 0; | |
e517b649 JW |
1700 | if (skb_is_gso(skb)) { |
1701 | iph->tot_len = 0; | |
1702 | tcp_hdr(skb)->check = ~tcp_v4_check(0, iph->saddr, | |
1703 | iph->daddr, 0); | |
1704 | } | |
2d3986d1 JW |
1705 | } |
1706 | ||
356156b6 | 1707 | static int qeth_l3_xmit(struct qeth_card *card, struct sk_buff *skb, |
17f3a8b5 | 1708 | struct qeth_qdio_out_q *queue, __be16 proto) |
a647a025 | 1709 | { |
81ec5439 JW |
1710 | unsigned int hw_hdr_len; |
1711 | int rc; | |
e517b649 | 1712 | |
a647a025 | 1713 | /* re-use the L2 header area for the HW header: */ |
81ec5439 JW |
1714 | hw_hdr_len = skb_is_gso(skb) ? sizeof(struct qeth_hdr_tso) : |
1715 | sizeof(struct qeth_hdr); | |
a647a025 JW |
1716 | rc = skb_cow_head(skb, hw_hdr_len - ETH_HLEN); |
1717 | if (rc) | |
1718 | return rc; | |
a647a025 | 1719 | skb_pull(skb, ETH_HLEN); |
a647a025 | 1720 | |
2d3986d1 | 1721 | qeth_l3_fixup_headers(skb); |
17f3a8b5 | 1722 | return qeth_xmit(card, skb, queue, proto, qeth_l3_fill_header); |
a647a025 JW |
1723 | } |
1724 | ||
ea1d4a0c JW |
1725 | static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb, |
1726 | struct net_device *dev) | |
1727 | { | |
ea1d4a0c | 1728 | struct qeth_card *card = dev->ml_priv; |
17f3a8b5 | 1729 | __be16 proto = vlan_get_protocol(skb); |
3a18d754 | 1730 | u16 txq = skb_get_queue_mapping(skb); |
ea1d4a0c | 1731 | struct qeth_qdio_out_q *queue; |
eca1d5c2 | 1732 | int rc; |
b0abc4f5 | 1733 | |
eeac0e20 JW |
1734 | if (!skb_is_gso(skb)) |
1735 | qdisc_skb_cb(skb)->pkt_len = skb->len; | |
ea1d4a0c | 1736 | if (IS_IQD(card)) { |
3a18d754 JW |
1737 | queue = card->qdio.out_qs[qeth_iqd_translate_txq(dev, txq)]; |
1738 | ||
ea1d4a0c JW |
1739 | if (card->options.sniffer) |
1740 | goto tx_drop; | |
17f3a8b5 JW |
1741 | |
1742 | switch (proto) { | |
1743 | case htons(ETH_P_AF_IUCV): | |
1744 | if (card->options.cq != QETH_CQ_ENABLED) | |
1745 | goto tx_drop; | |
1746 | break; | |
1747 | case htons(ETH_P_IP): | |
1748 | case htons(ETH_P_IPV6): | |
1749 | if (card->options.cq == QETH_CQ_ENABLED) | |
1750 | goto tx_drop; | |
1751 | break; | |
1752 | default: | |
4a71df50 | 1753 | goto tx_drop; |
17f3a8b5 | 1754 | } |
3a18d754 | 1755 | } else { |
73dc2daf | 1756 | queue = card->qdio.out_qs[txq]; |
4a71df50 FB |
1757 | } |
1758 | ||
eca1d5c2 | 1759 | if (!(dev->flags & IFF_BROADCAST) && |
c61dff3c | 1760 | qeth_l3_get_cast_type(skb, proto) == RTN_BROADCAST) |
ea1d4a0c JW |
1761 | goto tx_drop; |
1762 | ||
17f3a8b5 JW |
1763 | if (proto == htons(ETH_P_IP) || IS_IQD(card)) |
1764 | rc = qeth_l3_xmit(card, skb, queue, proto); | |
f13ade19 | 1765 | else |
17f3a8b5 | 1766 | rc = qeth_xmit(card, skb, queue, proto, qeth_l3_fill_header); |
ea1d4a0c | 1767 | |
eeac0e20 | 1768 | if (!rc) |
ea1d4a0c | 1769 | return NETDEV_TX_OK; |
4a71df50 FB |
1770 | |
1771 | tx_drop: | |
b0abc4f5 | 1772 | QETH_TXQ_STAT_INC(queue, tx_dropped); |
104b4859 | 1773 | kfree_skb(skb); |
4a71df50 FB |
1774 | return NETDEV_TX_OK; |
1775 | } | |
1776 | ||
d0c74825 JW |
1777 | static void qeth_l3_set_rx_mode(struct net_device *dev) |
1778 | { | |
1779 | struct qeth_card *card = dev->ml_priv; | |
1780 | ||
1781 | schedule_work(&card->rx_mode_work); | |
1782 | } | |
1783 | ||
4a71df50 FB |
1784 | /* |
1785 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
1786 | * NOARP on the netdevice is no option because it also turns off neighbor | |
1787 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
1788 | * arp resolution but we want the hard header (packet socket will work | |
1789 | * e.g. tcpdump) | |
1790 | */ | |
1791 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
1792 | { | |
1793 | n->nud_state = NUD_NOARP; | |
1794 | memcpy(n->ha, "FAKELL", 6); | |
1795 | n->output = n->ops->connected_output; | |
1796 | return 0; | |
1797 | } | |
1798 | ||
1799 | static int | |
1800 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
1801 | { | |
1802 | if (np->tbl->family == AF_INET) | |
1803 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
1804 | ||
1805 | return 0; | |
1806 | } | |
1807 | ||
f13ade19 JW |
1808 | static netdev_features_t qeth_l3_osa_features_check(struct sk_buff *skb, |
1809 | struct net_device *dev, | |
1810 | netdev_features_t features) | |
1811 | { | |
f9c48453 | 1812 | if (vlan_get_protocol(skb) != htons(ETH_P_IP)) |
f13ade19 JW |
1813 | features &= ~NETIF_F_HW_VLAN_CTAG_TX; |
1814 | return qeth_features_check(skb, dev, features); | |
1815 | } | |
1816 | ||
3a18d754 JW |
1817 | static u16 qeth_l3_iqd_select_queue(struct net_device *dev, struct sk_buff *skb, |
1818 | struct net_device *sb_dev) | |
1819 | { | |
c61dff3c JW |
1820 | __be16 proto = vlan_get_protocol(skb); |
1821 | ||
1822 | return qeth_iqd_select_queue(dev, skb, | |
1823 | qeth_l3_get_cast_type(skb, proto), sb_dev); | |
3a18d754 JW |
1824 | } |
1825 | ||
3d58cefd | 1826 | static const struct net_device_ops qeth_l3_netdev_ops = { |
e22355ea JW |
1827 | .ndo_open = qeth_open, |
1828 | .ndo_stop = qeth_stop, | |
b0abc4f5 | 1829 | .ndo_get_stats64 = qeth_get_stats64, |
8403b13c | 1830 | .ndo_start_xmit = qeth_l3_hard_start_xmit, |
3a18d754 | 1831 | .ndo_select_queue = qeth_l3_iqd_select_queue, |
8403b13c | 1832 | .ndo_validate_addr = eth_validate_addr, |
00c163f1 | 1833 | .ndo_set_rx_mode = qeth_l3_set_rx_mode, |
a7605370 | 1834 | .ndo_eth_ioctl = qeth_do_ioctl, |
2decb0b7 | 1835 | .ndo_siocdevprivate = qeth_l3_ndo_siocdevprivate, |
8f43fb00 TR |
1836 | .ndo_fix_features = qeth_fix_features, |
1837 | .ndo_set_features = qeth_set_features, | |
7ff0bcf6 | 1838 | .ndo_tx_timeout = qeth_tx_timeout, |
8403b13c FB |
1839 | }; |
1840 | ||
3d58cefd | 1841 | static const struct net_device_ops qeth_l3_osa_netdev_ops = { |
e22355ea JW |
1842 | .ndo_open = qeth_open, |
1843 | .ndo_stop = qeth_stop, | |
b0abc4f5 | 1844 | .ndo_get_stats64 = qeth_get_stats64, |
3d58cefd | 1845 | .ndo_start_xmit = qeth_l3_hard_start_xmit, |
f13ade19 | 1846 | .ndo_features_check = qeth_l3_osa_features_check, |
1b9e410f | 1847 | .ndo_select_queue = qeth_osa_select_queue, |
3d58cefd | 1848 | .ndo_validate_addr = eth_validate_addr, |
00c163f1 | 1849 | .ndo_set_rx_mode = qeth_l3_set_rx_mode, |
a7605370 | 1850 | .ndo_eth_ioctl = qeth_do_ioctl, |
2decb0b7 | 1851 | .ndo_siocdevprivate = qeth_l3_ndo_siocdevprivate, |
8f43fb00 TR |
1852 | .ndo_fix_features = qeth_fix_features, |
1853 | .ndo_set_features = qeth_set_features, | |
7ff0bcf6 | 1854 | .ndo_tx_timeout = qeth_tx_timeout, |
3d58cefd FB |
1855 | .ndo_neigh_setup = qeth_l3_neigh_setup, |
1856 | }; | |
1857 | ||
cd652be5 | 1858 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
4a71df50 | 1859 | { |
8ec1e247 | 1860 | struct net_device *dev = card->dev; |
82bf5c08 | 1861 | unsigned int headroom; |
1aec42bc TR |
1862 | int rc; |
1863 | ||
379ac99e | 1864 | if (IS_OSD(card) || IS_OSX(card)) { |
1b811432 KM |
1865 | card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; |
1866 | ||
1867 | /*IPv6 address autoconfiguration stuff*/ | |
8ec1e247 | 1868 | dev->dev_id = qeth_l3_get_unique_id(card, dev->dev_id); |
1b811432 | 1869 | |
379ac99e | 1870 | if (!IS_VM_NIC(card)) { |
1b811432 KM |
1871 | card->dev->features |= NETIF_F_SG; |
1872 | card->dev->hw_features |= NETIF_F_TSO | | |
1873 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM; | |
1874 | card->dev->vlan_features |= NETIF_F_TSO | | |
1875 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM; | |
4a71df50 | 1876 | } |
571f9dd8 KM |
1877 | |
1878 | if (qeth_is_supported6(card, IPA_OUTBOUND_CHECKSUM_V6)) { | |
1879 | card->dev->hw_features |= NETIF_F_IPV6_CSUM; | |
1880 | card->dev->vlan_features |= NETIF_F_IPV6_CSUM; | |
1881 | } | |
82bf5c08 JW |
1882 | if (qeth_is_supported6(card, IPA_OUTBOUND_TSO)) { |
1883 | card->dev->hw_features |= NETIF_F_TSO6; | |
1884 | card->dev->vlan_features |= NETIF_F_TSO6; | |
1885 | } | |
1886 | ||
1887 | /* allow for de-acceleration of NETIF_F_HW_VLAN_CTAG_TX: */ | |
1888 | if (card->dev->hw_features & NETIF_F_TSO6) | |
1889 | headroom = sizeof(struct qeth_hdr_tso) + VLAN_HLEN; | |
1890 | else if (card->dev->hw_features & NETIF_F_TSO) | |
1891 | headroom = sizeof(struct qeth_hdr_tso); | |
1892 | else | |
1893 | headroom = sizeof(struct qeth_hdr) + VLAN_HLEN; | |
379ac99e | 1894 | } else if (IS_IQD(card)) { |
4a71df50 | 1895 | card->dev->flags |= IFF_NOARP; |
3d58cefd | 1896 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
82bf5c08 | 1897 | headroom = sizeof(struct qeth_hdr) - ETH_HLEN; |
a647a025 | 1898 | |
1aec42bc TR |
1899 | rc = qeth_l3_iqd_read_initial_mac(card); |
1900 | if (rc) | |
cd652be5 | 1901 | return rc; |
4a71df50 FB |
1902 | } else |
1903 | return -ENODEV; | |
1904 | ||
82bf5c08 | 1905 | card->dev->needed_headroom = headroom; |
f646968f | 1906 | card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | |
d96a8c69 | 1907 | NETIF_F_HW_VLAN_CTAG_RX; |
a647a025 | 1908 | |
02875878 | 1909 | netif_keep_dst(card->dev); |
82bf5c08 | 1910 | if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) |
ee8b7a11 | 1911 | netif_set_tso_max_size(card->dev, |
371a1e7a | 1912 | PAGE_SIZE * (QETH_MAX_BUFFER_ELEMENTS(card) - 1)); |
4a71df50 | 1913 | |
b48b89f9 | 1914 | netif_napi_add(card->dev, &card->napi, qeth_poll); |
cd652be5 | 1915 | return register_netdev(card->dev); |
4a71df50 FB |
1916 | } |
1917 | ||
79a04e40 UB |
1918 | static const struct device_type qeth_l3_devtype = { |
1919 | .name = "qeth_layer3", | |
1920 | .groups = qeth_l3_attr_groups, | |
1921 | }; | |
1922 | ||
4a71df50 FB |
1923 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
1924 | { | |
1925 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
9111e788 | 1926 | int rc; |
4a71df50 | 1927 | |
7221b727 | 1928 | hash_init(card->ip_htable); |
df2a2a52 | 1929 | mutex_init(&card->ip_lock); |
7686e4b6 JW |
1930 | card->cmd_wq = alloc_ordered_workqueue("%s_cmd", 0, |
1931 | dev_name(&gdev->dev)); | |
1932 | if (!card->cmd_wq) | |
1933 | return -ENOMEM; | |
7221b727 | 1934 | |
ae57ea7a | 1935 | if (gdev->dev.type) { |
0b8da811 | 1936 | rc = device_add_groups(&gdev->dev, qeth_l3_attr_groups); |
7686e4b6 JW |
1937 | if (rc) { |
1938 | destroy_workqueue(card->cmd_wq); | |
79a04e40 | 1939 | return rc; |
7686e4b6 | 1940 | } |
ae57ea7a JW |
1941 | } else { |
1942 | gdev->dev.type = &qeth_l3_devtype; | |
79a04e40 | 1943 | } |
7221b727 | 1944 | |
d0c74825 | 1945 | INIT_WORK(&card->rx_mode_work, qeth_l3_rx_mode_work); |
4a71df50 FB |
1946 | return 0; |
1947 | } | |
1948 | ||
1949 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
1950 | { | |
1951 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
1952 | ||
ae57ea7a | 1953 | if (cgdev->dev.type != &qeth_l3_devtype) |
0b8da811 | 1954 | device_remove_groups(&cgdev->dev, qeth_l3_attr_groups); |
9dc48ccc | 1955 | |
f2148565 | 1956 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
1957 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
1958 | ||
b41b554c | 1959 | if (cgdev->state == CCWGROUP_ONLINE) |
0b9902c1 | 1960 | qeth_set_offline(card, card->discipline, false); |
4a71df50 | 1961 | |
cd652be5 | 1962 | if (card->dev->reg_state == NETREG_REGISTERED) |
30356d08 | 1963 | unregister_netdev(card->dev); |
7686e4b6 | 1964 | |
7686e4b6 | 1965 | destroy_workqueue(card->cmd_wq); |
5f78e29c | 1966 | qeth_l3_clear_ip_htable(card, 0); |
4a71df50 | 1967 | qeth_l3_clear_ipato_list(card); |
4a71df50 FB |
1968 | } |
1969 | ||
b7ea041b | 1970 | static int qeth_l3_set_online(struct qeth_card *card, bool carrier_ok) |
4a71df50 | 1971 | { |
fa3d2e60 | 1972 | struct net_device *dev = card->dev; |
4a71df50 | 1973 | int rc = 0; |
4a71df50 FB |
1974 | |
1975 | /* softsetup */ | |
57a688aa | 1976 | QETH_CARD_TEXT(card, 2, "softsetp"); |
4a71df50 | 1977 | |
4a71df50 FB |
1978 | rc = qeth_l3_setadapter_parms(card); |
1979 | if (rc) | |
57a688aa | 1980 | QETH_CARD_TEXT_(card, 2, "2err%04x", rc); |
76b11f8e | 1981 | if (!card->options.sniffer) { |
17d9723e JW |
1982 | qeth_l3_start_ipassists(card); |
1983 | ||
76b11f8e UB |
1984 | rc = qeth_l3_setrouting_v4(card); |
1985 | if (rc) | |
57a688aa | 1986 | QETH_CARD_TEXT_(card, 2, "4err%04x", rc); |
76b11f8e UB |
1987 | rc = qeth_l3_setrouting_v6(card); |
1988 | if (rc) | |
57a688aa | 1989 | QETH_CARD_TEXT_(card, 2, "5err%04x", rc); |
76b11f8e | 1990 | } |
4a71df50 | 1991 | |
4a71df50 | 1992 | card->state = CARD_STATE_SOFTSETUP; |
4a71df50 FB |
1993 | |
1994 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
5f78e29c | 1995 | qeth_l3_recover_ip(card); |
d025da9e | 1996 | |
cd652be5 JW |
1997 | if (dev->reg_state != NETREG_REGISTERED) { |
1998 | rc = qeth_l3_setup_netdev(card); | |
fa3d2e60 | 1999 | if (rc) |
f2bcf9dd | 2000 | goto err_setup; |
cd652be5 JW |
2001 | |
2002 | if (carrier_ok) | |
2003 | netif_carrier_on(dev); | |
fa3d2e60 | 2004 | } else { |
4763b0a0 | 2005 | rtnl_lock(); |
bb5ab541 JW |
2006 | rc = qeth_set_real_num_tx_queues(card, |
2007 | qeth_tx_actual_queues(card)); | |
2008 | if (rc) { | |
2009 | rtnl_unlock(); | |
2010 | goto err_set_queues; | |
2011 | } | |
2012 | ||
fa3d2e60 JW |
2013 | if (carrier_ok) |
2014 | netif_carrier_on(dev); | |
2015 | else | |
2016 | netif_carrier_off(dev); | |
2017 | ||
e6e771b3 | 2018 | netif_device_attach(dev); |
fa3d2e60 JW |
2019 | qeth_enable_hw_features(dev); |
2020 | ||
d7d543f2 JW |
2021 | if (card->info.open_when_online) { |
2022 | card->info.open_when_online = 0; | |
d4560150 | 2023 | dev_open(dev, NULL); |
9aa17df3 | 2024 | } |
4763b0a0 | 2025 | rtnl_unlock(); |
4a71df50 | 2026 | } |
4a71df50 | 2027 | return 0; |
b7ea041b | 2028 | |
bb5ab541 | 2029 | err_set_queues: |
f2bcf9dd JW |
2030 | err_setup: |
2031 | qeth_set_allowed_threads(card, 0, 1); | |
2032 | card->state = CARD_STATE_DOWN; | |
2033 | qeth_l3_clear_ip_htable(card, 1); | |
aa909224 | 2034 | return rc; |
4a71df50 FB |
2035 | } |
2036 | ||
91003f35 | 2037 | static void qeth_l3_set_offline(struct qeth_card *card) |
4a71df50 | 2038 | { |
f2bcf9dd JW |
2039 | qeth_set_allowed_threads(card, 0, 1); |
2040 | qeth_l3_drain_rx_mode_cache(card); | |
2041 | ||
2042 | if (card->options.sniffer && | |
2043 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) | |
2044 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); | |
2045 | ||
2046 | if (card->state == CARD_STATE_SOFTSETUP) { | |
2047 | card->state = CARD_STATE_DOWN; | |
2048 | qeth_l3_clear_ip_htable(card, 1); | |
2049 | } | |
4a71df50 FB |
2050 | } |
2051 | ||
c044dc21 EC |
2052 | /* Returns zero if the command is successfully "consumed" */ |
2053 | static int qeth_l3_control_event(struct qeth_card *card, | |
2054 | struct qeth_ipa_cmd *cmd) | |
2055 | { | |
2056 | return 1; | |
2057 | } | |
2058 | ||
50144f67 | 2059 | const struct qeth_discipline qeth_l3_discipline = { |
c041f2d4 | 2060 | .setup = qeth_l3_probe_device, |
4a71df50 FB |
2061 | .remove = qeth_l3_remove_device, |
2062 | .set_online = qeth_l3_set_online, | |
2063 | .set_offline = qeth_l3_set_offline, | |
c044dc21 | 2064 | .control_event_handler = qeth_l3_control_event, |
4a71df50 | 2065 | }; |
c041f2d4 | 2066 | EXPORT_SYMBOL_GPL(qeth_l3_discipline); |
4a71df50 | 2067 | |
d66b1c0d JW |
2068 | static int qeth_l3_handle_ip_event(struct qeth_card *card, |
2069 | struct qeth_ipaddr *addr, | |
2070 | unsigned long event) | |
2071 | { | |
2072 | switch (event) { | |
2073 | case NETDEV_UP: | |
05a17851 | 2074 | qeth_l3_modify_ip(card, addr, true); |
d66b1c0d JW |
2075 | return NOTIFY_OK; |
2076 | case NETDEV_DOWN: | |
05a17851 | 2077 | qeth_l3_modify_ip(card, addr, false); |
d66b1c0d JW |
2078 | return NOTIFY_OK; |
2079 | default: | |
2080 | return NOTIFY_DONE; | |
2081 | } | |
2082 | } | |
2083 | ||
7686e4b6 JW |
2084 | struct qeth_l3_ip_event_work { |
2085 | struct work_struct work; | |
2086 | struct qeth_card *card; | |
2087 | struct qeth_ipaddr addr; | |
2088 | }; | |
2089 | ||
2090 | #define to_ip_work(w) container_of((w), struct qeth_l3_ip_event_work, work) | |
2091 | ||
2092 | static void qeth_l3_add_ip_worker(struct work_struct *work) | |
2093 | { | |
2094 | struct qeth_l3_ip_event_work *ip_work = to_ip_work(work); | |
2095 | ||
2096 | qeth_l3_modify_ip(ip_work->card, &ip_work->addr, true); | |
2097 | kfree(work); | |
2098 | } | |
2099 | ||
2100 | static void qeth_l3_delete_ip_worker(struct work_struct *work) | |
2101 | { | |
2102 | struct qeth_l3_ip_event_work *ip_work = to_ip_work(work); | |
2103 | ||
2104 | qeth_l3_modify_ip(ip_work->card, &ip_work->addr, false); | |
2105 | kfree(work); | |
2106 | } | |
2107 | ||
b9caa98c JW |
2108 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) |
2109 | { | |
2110 | if (is_vlan_dev(dev)) | |
2111 | dev = vlan_dev_real_dev(dev); | |
2112 | if (dev->netdev_ops == &qeth_l3_osa_netdev_ops || | |
2113 | dev->netdev_ops == &qeth_l3_netdev_ops) | |
2114 | return (struct qeth_card *) dev->ml_priv; | |
2115 | return NULL; | |
2116 | } | |
2117 | ||
4a71df50 | 2118 | static int qeth_l3_ip_event(struct notifier_block *this, |
76fef2b6 | 2119 | unsigned long event, void *ptr) |
4a71df50 FB |
2120 | { |
2121 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
b9caa98c | 2122 | struct net_device *dev = ifa->ifa_dev->dev; |
d66b1c0d | 2123 | struct qeth_ipaddr addr; |
4a71df50 FB |
2124 | struct qeth_card *card; |
2125 | ||
4a71df50 FB |
2126 | card = qeth_l3_get_card_from_dev(dev); |
2127 | if (!card) | |
2128 | return NOTIFY_DONE; | |
6d8823db | 2129 | QETH_CARD_TEXT(card, 3, "ipevent"); |
4a71df50 | 2130 | |
d66b1c0d | 2131 | qeth_l3_init_ipaddr(&addr, QETH_IP_TYPE_NORMAL, QETH_PROT_IPV4); |
1b40d4b2 | 2132 | addr.u.a4.addr = ifa->ifa_address; |
490df971 | 2133 | addr.u.a4.mask = ifa->ifa_mask; |
5f78e29c | 2134 | |
d66b1c0d | 2135 | return qeth_l3_handle_ip_event(card, &addr, event); |
4a71df50 FB |
2136 | } |
2137 | ||
2138 | static struct notifier_block qeth_l3_ip_notifier = { | |
2139 | qeth_l3_ip_event, | |
2140 | NULL, | |
2141 | }; | |
2142 | ||
4a71df50 | 2143 | static int qeth_l3_ip6_event(struct notifier_block *this, |
76fef2b6 | 2144 | unsigned long event, void *ptr) |
4a71df50 FB |
2145 | { |
2146 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
b9caa98c | 2147 | struct net_device *dev = ifa->idev->dev; |
7686e4b6 | 2148 | struct qeth_l3_ip_event_work *ip_work; |
4a71df50 FB |
2149 | struct qeth_card *card; |
2150 | ||
7686e4b6 JW |
2151 | if (event != NETDEV_UP && event != NETDEV_DOWN) |
2152 | return NOTIFY_DONE; | |
2153 | ||
4a71df50 FB |
2154 | card = qeth_l3_get_card_from_dev(dev); |
2155 | if (!card) | |
2156 | return NOTIFY_DONE; | |
847a50fd | 2157 | QETH_CARD_TEXT(card, 3, "ip6event"); |
4a71df50 FB |
2158 | if (!qeth_is_supported(card, IPA_IPV6)) |
2159 | return NOTIFY_DONE; | |
2160 | ||
7686e4b6 JW |
2161 | ip_work = kmalloc(sizeof(*ip_work), GFP_ATOMIC); |
2162 | if (!ip_work) | |
2163 | return NOTIFY_DONE; | |
5f78e29c | 2164 | |
7686e4b6 JW |
2165 | if (event == NETDEV_UP) |
2166 | INIT_WORK(&ip_work->work, qeth_l3_add_ip_worker); | |
2167 | else | |
2168 | INIT_WORK(&ip_work->work, qeth_l3_delete_ip_worker); | |
2169 | ||
2170 | ip_work->card = card; | |
2171 | qeth_l3_init_ipaddr(&ip_work->addr, QETH_IP_TYPE_NORMAL, | |
2172 | QETH_PROT_IPV6); | |
2173 | ip_work->addr.u.a6.addr = ifa->addr; | |
2174 | ip_work->addr.u.a6.pfxlen = ifa->prefix_len; | |
2175 | ||
2176 | queue_work(card->cmd_wq, &ip_work->work); | |
2177 | return NOTIFY_OK; | |
4a71df50 FB |
2178 | } |
2179 | ||
2180 | static struct notifier_block qeth_l3_ip6_notifier = { | |
2181 | qeth_l3_ip6_event, | |
2182 | NULL, | |
2183 | }; | |
4a71df50 FB |
2184 | |
2185 | static int qeth_l3_register_notifiers(void) | |
2186 | { | |
2187 | int rc; | |
2188 | ||
847a50fd | 2189 | QETH_DBF_TEXT(SETUP, 5, "regnotif"); |
4a71df50 FB |
2190 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
2191 | if (rc) | |
2192 | return rc; | |
4a71df50 FB |
2193 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); |
2194 | if (rc) { | |
2195 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
2196 | return rc; | |
2197 | } | |
4a71df50 FB |
2198 | return 0; |
2199 | } | |
2200 | ||
2201 | static void qeth_l3_unregister_notifiers(void) | |
2202 | { | |
847a50fd | 2203 | QETH_DBF_TEXT(SETUP, 5, "unregnot"); |
18af5c17 | 2204 | WARN_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
18af5c17 | 2205 | WARN_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); |
4a71df50 FB |
2206 | } |
2207 | ||
2208 | static int __init qeth_l3_init(void) | |
2209 | { | |
74eacdb9 | 2210 | pr_info("register layer 3 discipline\n"); |
c062204f | 2211 | return qeth_l3_register_notifiers(); |
4a71df50 FB |
2212 | } |
2213 | ||
2214 | static void __exit qeth_l3_exit(void) | |
2215 | { | |
2216 | qeth_l3_unregister_notifiers(); | |
74eacdb9 | 2217 | pr_info("unregister layer 3 discipline\n"); |
4a71df50 FB |
2218 | } |
2219 | ||
2220 | module_init(qeth_l3_init); | |
2221 | module_exit(qeth_l3_exit); | |
2222 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
2223 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
2224 | MODULE_LICENSE("GPL"); |