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Commit | Line | Data |
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4a71df50 | 1 | /* |
bbcfcdc8 | 2 | * Copyright IBM Corp. 2007, 2009 |
4a71df50 FB |
3 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
4 | * Frank Pavlic <fpavlic@de.ibm.com>, | |
5 | * Thomas Spatzier <tspat@de.ibm.com>, | |
6 | * Frank Blaschka <frank.blaschka@de.ibm.com> | |
7 | */ | |
8 | ||
74eacdb9 FB |
9 | #define KMSG_COMPONENT "qeth" |
10 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt | |
11 | ||
4a71df50 FB |
12 | #include <linux/module.h> |
13 | #include <linux/moduleparam.h> | |
7ff0bcf6 | 14 | #include <linux/bitops.h> |
4a71df50 FB |
15 | #include <linux/string.h> |
16 | #include <linux/errno.h> | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/etherdevice.h> | |
19 | #include <linux/mii.h> | |
20 | #include <linux/ip.h> | |
64ef8957 | 21 | #include <linux/ipv6.h> |
4a71df50 FB |
22 | #include <linux/inetdevice.h> |
23 | #include <linux/igmp.h> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
7ff0bcf6 | 25 | #include <linux/if_vlan.h> |
4a71df50 FB |
26 | |
27 | #include <net/ip.h> | |
28 | #include <net/arp.h> | |
87e7597b DM |
29 | #include <net/route.h> |
30 | #include <net/ip6_fib.h> | |
64ef8957 | 31 | #include <net/ip6_checksum.h> |
b3332930 | 32 | #include <net/iucv/af_iucv.h> |
4a71df50 | 33 | |
4a71df50 | 34 | #include "qeth_l3.h" |
4a71df50 | 35 | |
d0ddf30f | 36 | |
4a71df50 FB |
37 | static int qeth_l3_set_offline(struct ccwgroup_device *); |
38 | static int qeth_l3_recover(void *); | |
39 | static int qeth_l3_stop(struct net_device *); | |
40 | static void qeth_l3_set_multicast_list(struct net_device *); | |
41 | static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *); | |
42 | static int qeth_l3_register_addr_entry(struct qeth_card *, | |
43 | struct qeth_ipaddr *); | |
44 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, | |
45 | struct qeth_ipaddr *); | |
46 | static int __qeth_l3_set_online(struct ccwgroup_device *, int); | |
47 | static int __qeth_l3_set_offline(struct ccwgroup_device *, int); | |
48 | ||
4a71df50 FB |
49 | static int qeth_l3_isxdigit(char *buf) |
50 | { | |
51 | while (*buf) { | |
52 | if (!isxdigit(*buf++)) | |
53 | return 0; | |
54 | } | |
55 | return 1; | |
56 | } | |
57 | ||
56530d68 | 58 | static void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) |
4a71df50 FB |
59 | { |
60 | sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); | |
61 | } | |
62 | ||
56530d68 | 63 | static int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) |
4a71df50 FB |
64 | { |
65 | int count = 0, rc = 0; | |
a68be015 | 66 | unsigned int in[4]; |
4a71df50 FB |
67 | char c; |
68 | ||
69 | rc = sscanf(buf, "%u.%u.%u.%u%c", | |
70 | &in[0], &in[1], &in[2], &in[3], &c); | |
71 | if (rc != 4 && (rc != 5 || c != '\n')) | |
72 | return -EINVAL; | |
73 | for (count = 0; count < 4; count++) { | |
74 | if (in[count] > 255) | |
75 | return -EINVAL; | |
76 | addr[count] = in[count]; | |
77 | } | |
78 | return 0; | |
79 | } | |
80 | ||
56530d68 | 81 | static void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) |
4a71df50 | 82 | { |
963a9fd2 | 83 | sprintf(buf, "%pI6", addr); |
4a71df50 FB |
84 | } |
85 | ||
56530d68 | 86 | static int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) |
4a71df50 FB |
87 | { |
88 | const char *end, *end_tmp, *start; | |
89 | __u16 *in; | |
90 | char num[5]; | |
91 | int num2, cnt, out, found, save_cnt; | |
92 | unsigned short in_tmp[8] = {0, }; | |
93 | ||
94 | cnt = out = found = save_cnt = num2 = 0; | |
95 | end = start = buf; | |
96 | in = (__u16 *) addr; | |
97 | memset(in, 0, 16); | |
98 | while (*end) { | |
99 | end = strchr(start, ':'); | |
100 | if (end == NULL) { | |
101 | end = buf + strlen(buf); | |
102 | end_tmp = strchr(start, '\n'); | |
103 | if (end_tmp != NULL) | |
104 | end = end_tmp; | |
105 | out = 1; | |
106 | } | |
107 | if ((end - start)) { | |
108 | memset(num, 0, 5); | |
109 | if ((end - start) > 4) | |
110 | return -EINVAL; | |
111 | memcpy(num, start, end - start); | |
112 | if (!qeth_l3_isxdigit(num)) | |
113 | return -EINVAL; | |
114 | sscanf(start, "%x", &num2); | |
115 | if (found) | |
116 | in_tmp[save_cnt++] = num2; | |
117 | else | |
118 | in[cnt++] = num2; | |
119 | if (out) | |
120 | break; | |
121 | } else { | |
122 | if (found) | |
123 | return -EINVAL; | |
124 | found = 1; | |
125 | } | |
126 | start = ++end; | |
127 | } | |
128 | if (cnt + save_cnt > 8) | |
129 | return -EINVAL; | |
130 | cnt = 7; | |
131 | while (save_cnt) | |
132 | in[cnt--] = in_tmp[--save_cnt]; | |
133 | return 0; | |
134 | } | |
135 | ||
136 | void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, | |
137 | char *buf) | |
138 | { | |
139 | if (proto == QETH_PROT_IPV4) | |
140 | qeth_l3_ipaddr4_to_string(addr, buf); | |
141 | else if (proto == QETH_PROT_IPV6) | |
142 | qeth_l3_ipaddr6_to_string(addr, buf); | |
143 | } | |
144 | ||
145 | int qeth_l3_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, | |
146 | __u8 *addr) | |
147 | { | |
148 | if (proto == QETH_PROT_IPV4) | |
149 | return qeth_l3_string_to_ipaddr4(buf, addr); | |
150 | else if (proto == QETH_PROT_IPV6) | |
151 | return qeth_l3_string_to_ipaddr6(buf, addr); | |
152 | else | |
153 | return -EINVAL; | |
154 | } | |
155 | ||
156 | static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) | |
157 | { | |
158 | int i, j; | |
159 | u8 octet; | |
160 | ||
161 | for (i = 0; i < len; ++i) { | |
162 | octet = addr[i]; | |
163 | for (j = 7; j >= 0; --j) { | |
164 | bits[i*8 + j] = octet & 1; | |
165 | octet >>= 1; | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
6298263a | 170 | int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, |
4a71df50 FB |
171 | struct qeth_ipaddr *addr) |
172 | { | |
173 | struct qeth_ipato_entry *ipatoe; | |
174 | u8 addr_bits[128] = {0, }; | |
175 | u8 ipatoe_bits[128] = {0, }; | |
176 | int rc = 0; | |
177 | ||
178 | if (!card->ipato.enabled) | |
179 | return 0; | |
180 | ||
181 | qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
182 | (addr->proto == QETH_PROT_IPV4)? 4:16); | |
183 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
184 | if (addr->proto != ipatoe->proto) | |
185 | continue; | |
186 | qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
187 | (ipatoe->proto == QETH_PROT_IPV4) ? | |
188 | 4 : 16); | |
189 | if (addr->proto == QETH_PROT_IPV4) | |
190 | rc = !memcmp(addr_bits, ipatoe_bits, | |
191 | min(32, ipatoe->mask_bits)); | |
192 | else | |
193 | rc = !memcmp(addr_bits, ipatoe_bits, | |
194 | min(128, ipatoe->mask_bits)); | |
195 | if (rc) | |
196 | break; | |
197 | } | |
198 | /* invert? */ | |
199 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
200 | rc = !rc; | |
201 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
202 | rc = !rc; | |
203 | ||
204 | return rc; | |
205 | } | |
206 | ||
207 | /* | |
208 | * Add IP to be added to todo list. If there is already an "add todo" | |
209 | * in this list we just incremenent the reference count. | |
210 | * Returns 0 if we just incremented reference count. | |
211 | */ | |
212 | static int __qeth_l3_insert_ip_todo(struct qeth_card *card, | |
213 | struct qeth_ipaddr *addr, int add) | |
214 | { | |
215 | struct qeth_ipaddr *tmp, *t; | |
216 | int found = 0; | |
217 | ||
76b11f8e UB |
218 | if (card->options.sniffer) |
219 | return 0; | |
4a71df50 FB |
220 | list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { |
221 | if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && | |
222 | (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) | |
223 | return 0; | |
224 | if ((tmp->proto == QETH_PROT_IPV4) && | |
225 | (addr->proto == QETH_PROT_IPV4) && | |
226 | (tmp->type == addr->type) && | |
227 | (tmp->is_multicast == addr->is_multicast) && | |
228 | (tmp->u.a4.addr == addr->u.a4.addr) && | |
229 | (tmp->u.a4.mask == addr->u.a4.mask)) { | |
230 | found = 1; | |
231 | break; | |
232 | } | |
233 | if ((tmp->proto == QETH_PROT_IPV6) && | |
234 | (addr->proto == QETH_PROT_IPV6) && | |
235 | (tmp->type == addr->type) && | |
236 | (tmp->is_multicast == addr->is_multicast) && | |
237 | (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && | |
238 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
239 | sizeof(struct in6_addr)) == 0)) { | |
240 | found = 1; | |
241 | break; | |
242 | } | |
243 | } | |
244 | if (found) { | |
245 | if (addr->users != 0) | |
246 | tmp->users += addr->users; | |
247 | else | |
248 | tmp->users += add ? 1 : -1; | |
249 | if (tmp->users == 0) { | |
250 | list_del(&tmp->entry); | |
251 | kfree(tmp); | |
252 | } | |
253 | return 0; | |
254 | } else { | |
255 | if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) | |
256 | list_add(&addr->entry, card->ip_tbd_list); | |
257 | else { | |
258 | if (addr->users == 0) | |
259 | addr->users += add ? 1 : -1; | |
260 | if (add && (addr->type == QETH_IP_TYPE_NORMAL) && | |
261 | qeth_l3_is_addr_covered_by_ipato(card, addr)) { | |
847a50fd | 262 | QETH_CARD_TEXT(card, 2, "tkovaddr"); |
4a71df50 FB |
263 | addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; |
264 | } | |
265 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
266 | } | |
267 | return 1; | |
268 | } | |
269 | } | |
270 | ||
b3332930 | 271 | int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) |
4a71df50 FB |
272 | { |
273 | unsigned long flags; | |
274 | int rc = 0; | |
275 | ||
847a50fd | 276 | QETH_CARD_TEXT(card, 4, "delip"); |
4a71df50 FB |
277 | |
278 | if (addr->proto == QETH_PROT_IPV4) | |
847a50fd | 279 | QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4); |
4a71df50 | 280 | else { |
847a50fd CO |
281 | QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8); |
282 | QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 FB |
283 | } |
284 | spin_lock_irqsave(&card->ip_lock, flags); | |
285 | rc = __qeth_l3_insert_ip_todo(card, addr, 0); | |
286 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
287 | return rc; | |
288 | } | |
289 | ||
b3332930 | 290 | int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) |
4a71df50 FB |
291 | { |
292 | unsigned long flags; | |
293 | int rc = 0; | |
294 | ||
847a50fd | 295 | QETH_CARD_TEXT(card, 4, "addip"); |
4a71df50 | 296 | if (addr->proto == QETH_PROT_IPV4) |
847a50fd | 297 | QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4); |
4a71df50 | 298 | else { |
847a50fd CO |
299 | QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8); |
300 | QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 FB |
301 | } |
302 | spin_lock_irqsave(&card->ip_lock, flags); | |
303 | rc = __qeth_l3_insert_ip_todo(card, addr, 1); | |
304 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
305 | return rc; | |
306 | } | |
307 | ||
308 | ||
b3332930 | 309 | struct qeth_ipaddr *qeth_l3_get_addr_buffer( |
4a71df50 FB |
310 | enum qeth_prot_versions prot) |
311 | { | |
312 | struct qeth_ipaddr *addr; | |
313 | ||
314 | addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); | |
315 | if (addr == NULL) { | |
4a71df50 FB |
316 | return NULL; |
317 | } | |
318 | addr->type = QETH_IP_TYPE_NORMAL; | |
319 | addr->proto = prot; | |
320 | return addr; | |
321 | } | |
322 | ||
323 | static void qeth_l3_delete_mc_addresses(struct qeth_card *card) | |
324 | { | |
325 | struct qeth_ipaddr *iptodo; | |
326 | unsigned long flags; | |
327 | ||
847a50fd | 328 | QETH_CARD_TEXT(card, 4, "delmc"); |
4a71df50 FB |
329 | iptodo = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
330 | if (!iptodo) { | |
847a50fd | 331 | QETH_CARD_TEXT(card, 2, "dmcnomem"); |
4a71df50 FB |
332 | return; |
333 | } | |
334 | iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; | |
335 | spin_lock_irqsave(&card->ip_lock, flags); | |
336 | if (!__qeth_l3_insert_ip_todo(card, iptodo, 0)) | |
337 | kfree(iptodo); | |
338 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
339 | } | |
340 | ||
341 | /* | |
342 | * Add/remove address to/from card's ip list, i.e. try to add or remove | |
343 | * reference to/from an IP address that is already registered on the card. | |
344 | * Returns: | |
345 | * 0 address was on card and its reference count has been adjusted, | |
346 | * but is still > 0, so nothing has to be done | |
347 | * also returns 0 if card was not on card and the todo was to delete | |
348 | * the address -> there is also nothing to be done | |
349 | * 1 address was not on card and the todo is to add it to the card's ip | |
350 | * list | |
351 | * -1 address was on card and its reference count has been decremented | |
352 | * to <= 0 by the todo -> address must be removed from card | |
353 | */ | |
354 | static int __qeth_l3_ref_ip_on_card(struct qeth_card *card, | |
355 | struct qeth_ipaddr *todo, struct qeth_ipaddr **__addr) | |
356 | { | |
357 | struct qeth_ipaddr *addr; | |
358 | int found = 0; | |
359 | ||
360 | list_for_each_entry(addr, &card->ip_list, entry) { | |
361 | if ((addr->proto == QETH_PROT_IPV4) && | |
362 | (todo->proto == QETH_PROT_IPV4) && | |
363 | (addr->type == todo->type) && | |
364 | (addr->u.a4.addr == todo->u.a4.addr) && | |
365 | (addr->u.a4.mask == todo->u.a4.mask)) { | |
366 | found = 1; | |
367 | break; | |
368 | } | |
369 | if ((addr->proto == QETH_PROT_IPV6) && | |
370 | (todo->proto == QETH_PROT_IPV6) && | |
371 | (addr->type == todo->type) && | |
372 | (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && | |
373 | (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, | |
374 | sizeof(struct in6_addr)) == 0)) { | |
375 | found = 1; | |
376 | break; | |
377 | } | |
378 | } | |
379 | if (found) { | |
380 | addr->users += todo->users; | |
381 | if (addr->users <= 0) { | |
382 | *__addr = addr; | |
383 | return -1; | |
384 | } else { | |
385 | /* for VIPA and RXIP limit refcount to 1 */ | |
386 | if (addr->type != QETH_IP_TYPE_NORMAL) | |
387 | addr->users = 1; | |
388 | return 0; | |
389 | } | |
390 | } | |
391 | if (todo->users > 0) { | |
392 | /* for VIPA and RXIP limit refcount to 1 */ | |
393 | if (todo->type != QETH_IP_TYPE_NORMAL) | |
394 | todo->users = 1; | |
395 | return 1; | |
396 | } else | |
397 | return 0; | |
398 | } | |
399 | ||
400 | static void __qeth_l3_delete_all_mc(struct qeth_card *card, | |
401 | unsigned long *flags) | |
402 | { | |
2d921c32 | 403 | struct list_head fail_list; |
4a71df50 FB |
404 | struct qeth_ipaddr *addr, *tmp; |
405 | int rc; | |
2d921c32 UB |
406 | |
407 | INIT_LIST_HEAD(&fail_list); | |
4a71df50 FB |
408 | again: |
409 | list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { | |
410 | if (addr->is_multicast) { | |
411 | list_del(&addr->entry); | |
412 | spin_unlock_irqrestore(&card->ip_lock, *flags); | |
413 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
414 | spin_lock_irqsave(&card->ip_lock, *flags); | |
2d921c32 | 415 | if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND)) |
4a71df50 | 416 | kfree(addr); |
2d921c32 UB |
417 | else |
418 | list_add_tail(&addr->entry, &fail_list); | |
419 | goto again; | |
4a71df50 FB |
420 | } |
421 | } | |
2d921c32 | 422 | list_splice(&fail_list, &card->ip_list); |
4a71df50 FB |
423 | } |
424 | ||
b3332930 | 425 | void qeth_l3_set_ip_addr_list(struct qeth_card *card) |
4a71df50 FB |
426 | { |
427 | struct list_head *tbd_list; | |
428 | struct qeth_ipaddr *todo, *addr; | |
429 | unsigned long flags; | |
430 | int rc; | |
431 | ||
847a50fd CO |
432 | QETH_CARD_TEXT(card, 2, "sdiplist"); |
433 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 | 434 | |
c3521254 | 435 | if (!qeth_card_hw_is_reachable(card) || card->options.sniffer) |
76b11f8e | 436 | return; |
f154b79c | 437 | |
4a71df50 FB |
438 | spin_lock_irqsave(&card->ip_lock, flags); |
439 | tbd_list = card->ip_tbd_list; | |
b3332930 | 440 | card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_ATOMIC); |
4a71df50 | 441 | if (!card->ip_tbd_list) { |
847a50fd | 442 | QETH_CARD_TEXT(card, 0, "silnomem"); |
4a71df50 FB |
443 | card->ip_tbd_list = tbd_list; |
444 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
445 | return; | |
446 | } else | |
447 | INIT_LIST_HEAD(card->ip_tbd_list); | |
448 | ||
449 | while (!list_empty(tbd_list)) { | |
450 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); | |
451 | list_del(&todo->entry); | |
452 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC) { | |
453 | __qeth_l3_delete_all_mc(card, &flags); | |
454 | kfree(todo); | |
455 | continue; | |
456 | } | |
457 | rc = __qeth_l3_ref_ip_on_card(card, todo, &addr); | |
458 | if (rc == 0) { | |
459 | /* nothing to be done; only adjusted refcount */ | |
460 | kfree(todo); | |
461 | } else if (rc == 1) { | |
462 | /* new entry to be added to on-card list */ | |
463 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
464 | rc = qeth_l3_register_addr_entry(card, todo); | |
465 | spin_lock_irqsave(&card->ip_lock, flags); | |
3caa4af8 | 466 | if (!rc || (rc == IPA_RC_LAN_OFFLINE)) |
4a71df50 FB |
467 | list_add_tail(&todo->entry, &card->ip_list); |
468 | else | |
469 | kfree(todo); | |
470 | } else if (rc == -1) { | |
471 | /* on-card entry to be removed */ | |
472 | list_del_init(&addr->entry); | |
473 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
474 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
475 | spin_lock_irqsave(&card->ip_lock, flags); | |
76b11f8e | 476 | if (!rc || (rc == IPA_RC_IP_ADDRESS_NOT_DEFINED)) |
4a71df50 FB |
477 | kfree(addr); |
478 | else | |
479 | list_add_tail(&addr->entry, &card->ip_list); | |
480 | kfree(todo); | |
481 | } | |
482 | } | |
483 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
484 | kfree(tbd_list); | |
485 | } | |
486 | ||
70919e23 | 487 | static void qeth_l3_clear_ip_list(struct qeth_card *card, int recover) |
4a71df50 FB |
488 | { |
489 | struct qeth_ipaddr *addr, *tmp; | |
490 | unsigned long flags; | |
491 | ||
847a50fd | 492 | QETH_CARD_TEXT(card, 4, "clearip"); |
76b11f8e UB |
493 | if (recover && card->options.sniffer) |
494 | return; | |
4a71df50 FB |
495 | spin_lock_irqsave(&card->ip_lock, flags); |
496 | /* clear todo list */ | |
497 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) { | |
498 | list_del(&addr->entry); | |
499 | kfree(addr); | |
500 | } | |
501 | ||
502 | while (!list_empty(&card->ip_list)) { | |
503 | addr = list_entry(card->ip_list.next, | |
504 | struct qeth_ipaddr, entry); | |
505 | list_del_init(&addr->entry); | |
4a71df50 FB |
506 | if (!recover || addr->is_multicast) { |
507 | kfree(addr); | |
508 | continue; | |
509 | } | |
510 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
511 | } | |
512 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
513 | } | |
514 | ||
515 | static int qeth_l3_address_exists_in_list(struct list_head *list, | |
516 | struct qeth_ipaddr *addr, int same_type) | |
517 | { | |
518 | struct qeth_ipaddr *tmp; | |
519 | ||
520 | list_for_each_entry(tmp, list, entry) { | |
521 | if ((tmp->proto == QETH_PROT_IPV4) && | |
522 | (addr->proto == QETH_PROT_IPV4) && | |
523 | ((same_type && (tmp->type == addr->type)) || | |
524 | (!same_type && (tmp->type != addr->type))) && | |
525 | (tmp->u.a4.addr == addr->u.a4.addr)) | |
526 | return 1; | |
527 | ||
528 | if ((tmp->proto == QETH_PROT_IPV6) && | |
529 | (addr->proto == QETH_PROT_IPV6) && | |
530 | ((same_type && (tmp->type == addr->type)) || | |
531 | (!same_type && (tmp->type != addr->type))) && | |
532 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
533 | sizeof(struct in6_addr)) == 0)) | |
534 | return 1; | |
535 | ||
536 | } | |
537 | return 0; | |
538 | } | |
539 | ||
540 | static int qeth_l3_send_setdelmc(struct qeth_card *card, | |
541 | struct qeth_ipaddr *addr, int ipacmd) | |
542 | { | |
543 | int rc; | |
544 | struct qeth_cmd_buffer *iob; | |
545 | struct qeth_ipa_cmd *cmd; | |
546 | ||
847a50fd | 547 | QETH_CARD_TEXT(card, 4, "setdelmc"); |
4a71df50 FB |
548 | |
549 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
1aec42bc TR |
550 | if (!iob) |
551 | return -ENOMEM; | |
4a71df50 FB |
552 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
553 | memcpy(&cmd->data.setdelipm.mac, addr->mac, OSA_ADDR_LEN); | |
554 | if (addr->proto == QETH_PROT_IPV6) | |
555 | memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, | |
556 | sizeof(struct in6_addr)); | |
557 | else | |
558 | memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr, 4); | |
559 | ||
560 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
561 | ||
562 | return rc; | |
563 | } | |
564 | ||
565 | static void qeth_l3_fill_netmask(u8 *netmask, unsigned int len) | |
566 | { | |
567 | int i, j; | |
568 | for (i = 0; i < 16; i++) { | |
569 | j = (len) - (i * 8); | |
570 | if (j >= 8) | |
571 | netmask[i] = 0xff; | |
572 | else if (j > 0) | |
573 | netmask[i] = (u8)(0xFF00 >> j); | |
574 | else | |
575 | netmask[i] = 0; | |
576 | } | |
577 | } | |
578 | ||
579 | static int qeth_l3_send_setdelip(struct qeth_card *card, | |
580 | struct qeth_ipaddr *addr, int ipacmd, unsigned int flags) | |
581 | { | |
582 | int rc; | |
583 | struct qeth_cmd_buffer *iob; | |
584 | struct qeth_ipa_cmd *cmd; | |
585 | __u8 netmask[16]; | |
586 | ||
847a50fd CO |
587 | QETH_CARD_TEXT(card, 4, "setdelip"); |
588 | QETH_CARD_TEXT_(card, 4, "flags%02X", flags); | |
4a71df50 FB |
589 | |
590 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
1aec42bc TR |
591 | if (!iob) |
592 | return -ENOMEM; | |
4a71df50 FB |
593 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
594 | if (addr->proto == QETH_PROT_IPV6) { | |
595 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, | |
596 | sizeof(struct in6_addr)); | |
597 | qeth_l3_fill_netmask(netmask, addr->u.a6.pfxlen); | |
598 | memcpy(cmd->data.setdelip6.mask, netmask, | |
599 | sizeof(struct in6_addr)); | |
600 | cmd->data.setdelip6.flags = flags; | |
601 | } else { | |
602 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); | |
603 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); | |
604 | cmd->data.setdelip4.flags = flags; | |
605 | } | |
606 | ||
607 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
608 | ||
609 | return rc; | |
610 | } | |
611 | ||
612 | static int qeth_l3_send_setrouting(struct qeth_card *card, | |
613 | enum qeth_routing_types type, enum qeth_prot_versions prot) | |
614 | { | |
615 | int rc; | |
616 | struct qeth_ipa_cmd *cmd; | |
617 | struct qeth_cmd_buffer *iob; | |
618 | ||
847a50fd | 619 | QETH_CARD_TEXT(card, 4, "setroutg"); |
4a71df50 | 620 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); |
1aec42bc TR |
621 | if (!iob) |
622 | return -ENOMEM; | |
4a71df50 FB |
623 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
624 | cmd->data.setrtg.type = (type); | |
625 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
626 | ||
627 | return rc; | |
628 | } | |
629 | ||
82e2e782 | 630 | static int qeth_l3_correct_routing_type(struct qeth_card *card, |
4a71df50 FB |
631 | enum qeth_routing_types *type, enum qeth_prot_versions prot) |
632 | { | |
633 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
634 | switch (*type) { | |
635 | case NO_ROUTER: | |
636 | case PRIMARY_CONNECTOR: | |
637 | case SECONDARY_CONNECTOR: | |
638 | case MULTICAST_ROUTER: | |
82e2e782 | 639 | return 0; |
4a71df50 FB |
640 | default: |
641 | goto out_inval; | |
642 | } | |
643 | } else { | |
644 | switch (*type) { | |
645 | case NO_ROUTER: | |
646 | case PRIMARY_ROUTER: | |
647 | case SECONDARY_ROUTER: | |
82e2e782 | 648 | return 0; |
4a71df50 FB |
649 | case MULTICAST_ROUTER: |
650 | if (qeth_is_ipafunc_supported(card, prot, | |
651 | IPA_OSA_MC_ROUTER)) | |
82e2e782 | 652 | return 0; |
4a71df50 FB |
653 | default: |
654 | goto out_inval; | |
655 | } | |
656 | } | |
657 | out_inval: | |
4a71df50 | 658 | *type = NO_ROUTER; |
82e2e782 | 659 | return -EINVAL; |
4a71df50 FB |
660 | } |
661 | ||
662 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
663 | { | |
664 | int rc; | |
665 | ||
847a50fd | 666 | QETH_CARD_TEXT(card, 3, "setrtg4"); |
4a71df50 | 667 | |
82e2e782 | 668 | rc = qeth_l3_correct_routing_type(card, &card->options.route4.type, |
4a71df50 | 669 | QETH_PROT_IPV4); |
82e2e782 SR |
670 | if (rc) |
671 | return rc; | |
4a71df50 FB |
672 | |
673 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
674 | QETH_PROT_IPV4); | |
675 | if (rc) { | |
676 | card->options.route4.type = NO_ROUTER; | |
14cc21b6 FB |
677 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
678 | " on %s. Type set to 'no router'.\n", rc, | |
679 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
680 | } |
681 | return rc; | |
682 | } | |
683 | ||
684 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
685 | { | |
686 | int rc = 0; | |
687 | ||
847a50fd | 688 | QETH_CARD_TEXT(card, 3, "setrtg6"); |
4a71df50 FB |
689 | #ifdef CONFIG_QETH_IPV6 |
690 | ||
691 | if (!qeth_is_supported(card, IPA_IPV6)) | |
692 | return 0; | |
82e2e782 | 693 | rc = qeth_l3_correct_routing_type(card, &card->options.route6.type, |
4a71df50 | 694 | QETH_PROT_IPV6); |
82e2e782 SR |
695 | if (rc) |
696 | return rc; | |
4a71df50 FB |
697 | |
698 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
699 | QETH_PROT_IPV6); | |
700 | if (rc) { | |
701 | card->options.route6.type = NO_ROUTER; | |
14cc21b6 FB |
702 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
703 | " on %s. Type set to 'no router'.\n", rc, | |
704 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
705 | } |
706 | #endif | |
707 | return rc; | |
708 | } | |
709 | ||
710 | /* | |
711 | * IP address takeover related functions | |
712 | */ | |
713 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) | |
714 | { | |
715 | ||
716 | struct qeth_ipato_entry *ipatoe, *tmp; | |
717 | unsigned long flags; | |
718 | ||
719 | spin_lock_irqsave(&card->ip_lock, flags); | |
720 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
721 | list_del(&ipatoe->entry); | |
722 | kfree(ipatoe); | |
723 | } | |
724 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
725 | } | |
726 | ||
727 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
728 | struct qeth_ipato_entry *new) | |
729 | { | |
730 | struct qeth_ipato_entry *ipatoe; | |
731 | unsigned long flags; | |
732 | int rc = 0; | |
733 | ||
847a50fd | 734 | QETH_CARD_TEXT(card, 2, "addipato"); |
4a71df50 FB |
735 | spin_lock_irqsave(&card->ip_lock, flags); |
736 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
737 | if (ipatoe->proto != new->proto) | |
738 | continue; | |
739 | if (!memcmp(ipatoe->addr, new->addr, | |
740 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
741 | (ipatoe->mask_bits == new->mask_bits)) { | |
4a71df50 FB |
742 | rc = -EEXIST; |
743 | break; | |
744 | } | |
745 | } | |
746 | if (!rc) | |
747 | list_add_tail(&new->entry, &card->ipato.entries); | |
748 | ||
749 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
750 | return rc; | |
751 | } | |
752 | ||
753 | void qeth_l3_del_ipato_entry(struct qeth_card *card, | |
754 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) | |
755 | { | |
756 | struct qeth_ipato_entry *ipatoe, *tmp; | |
757 | unsigned long flags; | |
758 | ||
847a50fd | 759 | QETH_CARD_TEXT(card, 2, "delipato"); |
4a71df50 FB |
760 | spin_lock_irqsave(&card->ip_lock, flags); |
761 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
762 | if (ipatoe->proto != proto) | |
763 | continue; | |
764 | if (!memcmp(ipatoe->addr, addr, | |
765 | (proto == QETH_PROT_IPV4)? 4:16) && | |
766 | (ipatoe->mask_bits == mask_bits)) { | |
767 | list_del(&ipatoe->entry); | |
768 | kfree(ipatoe); | |
769 | } | |
770 | } | |
771 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
772 | } | |
773 | ||
774 | /* | |
775 | * VIPA related functions | |
776 | */ | |
777 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
778 | const u8 *addr) | |
779 | { | |
780 | struct qeth_ipaddr *ipaddr; | |
781 | unsigned long flags; | |
782 | int rc = 0; | |
783 | ||
784 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
785 | if (ipaddr) { | |
786 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 787 | QETH_CARD_TEXT(card, 2, "addvipa4"); |
4a71df50 FB |
788 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
789 | ipaddr->u.a4.mask = 0; | |
790 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 791 | QETH_CARD_TEXT(card, 2, "addvipa6"); |
4a71df50 FB |
792 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
793 | ipaddr->u.a6.pfxlen = 0; | |
794 | } | |
795 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
796 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
797 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
798 | } else | |
799 | return -ENOMEM; | |
800 | spin_lock_irqsave(&card->ip_lock, flags); | |
801 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
802 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
803 | rc = -EEXIST; | |
804 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
805 | if (rc) { | |
f68bd07c | 806 | kfree(ipaddr); |
4a71df50 FB |
807 | return rc; |
808 | } | |
809 | if (!qeth_l3_add_ip(card, ipaddr)) | |
810 | kfree(ipaddr); | |
811 | qeth_l3_set_ip_addr_list(card); | |
812 | return rc; | |
813 | } | |
814 | ||
815 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
816 | const u8 *addr) | |
817 | { | |
818 | struct qeth_ipaddr *ipaddr; | |
819 | ||
820 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
821 | if (ipaddr) { | |
822 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 823 | QETH_CARD_TEXT(card, 2, "delvipa4"); |
4a71df50 FB |
824 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
825 | ipaddr->u.a4.mask = 0; | |
826 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 827 | QETH_CARD_TEXT(card, 2, "delvipa6"); |
4a71df50 FB |
828 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
829 | ipaddr->u.a6.pfxlen = 0; | |
830 | } | |
831 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
832 | } else | |
833 | return; | |
834 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
835 | kfree(ipaddr); | |
836 | qeth_l3_set_ip_addr_list(card); | |
837 | } | |
838 | ||
839 | /* | |
840 | * proxy ARP related functions | |
841 | */ | |
842 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
843 | const u8 *addr) | |
844 | { | |
845 | struct qeth_ipaddr *ipaddr; | |
846 | unsigned long flags; | |
847 | int rc = 0; | |
848 | ||
849 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
850 | if (ipaddr) { | |
851 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 852 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
853 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
854 | ipaddr->u.a4.mask = 0; | |
855 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 856 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
857 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
858 | ipaddr->u.a6.pfxlen = 0; | |
859 | } | |
860 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
861 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
862 | ipaddr->del_flags = 0; | |
863 | } else | |
864 | return -ENOMEM; | |
865 | spin_lock_irqsave(&card->ip_lock, flags); | |
866 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
867 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
868 | rc = -EEXIST; | |
869 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
870 | if (rc) { | |
f68bd07c | 871 | kfree(ipaddr); |
4a71df50 FB |
872 | return rc; |
873 | } | |
874 | if (!qeth_l3_add_ip(card, ipaddr)) | |
875 | kfree(ipaddr); | |
876 | qeth_l3_set_ip_addr_list(card); | |
877 | return 0; | |
878 | } | |
879 | ||
880 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
881 | const u8 *addr) | |
882 | { | |
883 | struct qeth_ipaddr *ipaddr; | |
884 | ||
885 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
886 | if (ipaddr) { | |
887 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 888 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
889 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
890 | ipaddr->u.a4.mask = 0; | |
891 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 892 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
893 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
894 | ipaddr->u.a6.pfxlen = 0; | |
895 | } | |
896 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
897 | } else | |
898 | return; | |
899 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
900 | kfree(ipaddr); | |
901 | qeth_l3_set_ip_addr_list(card); | |
902 | } | |
903 | ||
904 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
905 | struct qeth_ipaddr *addr) | |
906 | { | |
907 | char buf[50]; | |
908 | int rc = 0; | |
909 | int cnt = 3; | |
910 | ||
911 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
912 | QETH_CARD_TEXT(card, 2, "setaddr4"); |
913 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 914 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
915 | QETH_CARD_TEXT(card, 2, "setaddr6"); |
916 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
917 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 918 | } else { |
847a50fd CO |
919 | QETH_CARD_TEXT(card, 2, "setaddr?"); |
920 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
921 | } |
922 | do { | |
923 | if (addr->is_multicast) | |
924 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
925 | else | |
926 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, | |
927 | addr->set_flags); | |
928 | if (rc) | |
847a50fd | 929 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
930 | } while ((--cnt > 0) && rc); |
931 | if (rc) { | |
847a50fd | 932 | QETH_CARD_TEXT(card, 2, "FAILED"); |
4a71df50 | 933 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
74eacdb9 FB |
934 | dev_warn(&card->gdev->dev, |
935 | "Registering IP address %s failed\n", buf); | |
4a71df50 FB |
936 | } |
937 | return rc; | |
938 | } | |
939 | ||
940 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
941 | struct qeth_ipaddr *addr) | |
942 | { | |
943 | int rc = 0; | |
944 | ||
945 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
946 | QETH_CARD_TEXT(card, 2, "deladdr4"); |
947 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 948 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
949 | QETH_CARD_TEXT(card, 2, "deladdr6"); |
950 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
951 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 952 | } else { |
847a50fd CO |
953 | QETH_CARD_TEXT(card, 2, "deladdr?"); |
954 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
955 | } |
956 | if (addr->is_multicast) | |
957 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
958 | else | |
959 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, | |
960 | addr->del_flags); | |
c4cef07c | 961 | if (rc) |
847a50fd | 962 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
963 | |
964 | return rc; | |
965 | } | |
966 | ||
967 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) | |
968 | { | |
969 | if (cast_type == RTN_MULTICAST) | |
970 | return QETH_CAST_MULTICAST; | |
971 | if (cast_type == RTN_BROADCAST) | |
972 | return QETH_CAST_BROADCAST; | |
973 | return QETH_CAST_UNICAST; | |
974 | } | |
975 | ||
976 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) | |
977 | { | |
978 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
979 | if (cast_type == RTN_MULTICAST) | |
980 | return ct | QETH_CAST_MULTICAST; | |
981 | if (cast_type == RTN_ANYCAST) | |
982 | return ct | QETH_CAST_ANYCAST; | |
983 | if (cast_type == RTN_BROADCAST) | |
984 | return ct | QETH_CAST_BROADCAST; | |
985 | return ct | QETH_CAST_UNICAST; | |
986 | } | |
987 | ||
4a71df50 FB |
988 | static int qeth_l3_setadapter_parms(struct qeth_card *card) |
989 | { | |
990 | int rc; | |
991 | ||
d11ba0c4 | 992 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
4a71df50 FB |
993 | |
994 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { | |
74eacdb9 FB |
995 | dev_info(&card->gdev->dev, |
996 | "set adapter parameters not supported.\n"); | |
d11ba0c4 | 997 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
4a71df50 FB |
998 | return 0; |
999 | } | |
1000 | rc = qeth_query_setadapterparms(card); | |
1001 | if (rc) { | |
74eacdb9 | 1002 | QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: " |
7f6d95e7 | 1003 | "0x%x\n", dev_name(&card->gdev->dev), rc); |
4a71df50 FB |
1004 | return rc; |
1005 | } | |
1006 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
1007 | rc = qeth_setadpparms_change_macaddr(card); | |
1008 | if (rc) | |
74eacdb9 | 1009 | dev_warn(&card->gdev->dev, "Reading the adapter MAC" |
6ea2fde1 | 1010 | " address failed\n"); |
4a71df50 FB |
1011 | } |
1012 | ||
4a71df50 FB |
1013 | return rc; |
1014 | } | |
1015 | ||
1016 | static int qeth_l3_default_setassparms_cb(struct qeth_card *card, | |
1017 | struct qeth_reply *reply, unsigned long data) | |
1018 | { | |
1019 | struct qeth_ipa_cmd *cmd; | |
1020 | ||
847a50fd | 1021 | QETH_CARD_TEXT(card, 4, "defadpcb"); |
4a71df50 FB |
1022 | |
1023 | cmd = (struct qeth_ipa_cmd *) data; | |
1024 | if (cmd->hdr.return_code == 0) { | |
1025 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
1026 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
1027 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1028 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
1029 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1030 | } | |
1031 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
1032 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1033 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1034 | QETH_CARD_TEXT_(card, 3, "csum:%d", card->info.csum_mask); |
4a71df50 | 1035 | } |
f6b85b6c FB |
1036 | if (cmd->data.setassparms.hdr.assist_no == IPA_OUTBOUND_CHECKSUM && |
1037 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1038 | card->info.tx_csum_mask = | |
1039 | cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1040 | QETH_CARD_TEXT_(card, 3, "tcsu:%d", card->info.tx_csum_mask); |
f6b85b6c FB |
1041 | } |
1042 | ||
4a71df50 FB |
1043 | return 0; |
1044 | } | |
1045 | ||
4a71df50 FB |
1046 | #ifdef CONFIG_QETH_IPV6 |
1047 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, | |
1048 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
1049 | { | |
1050 | int rc; | |
1051 | struct qeth_cmd_buffer *iob; | |
1052 | ||
847a50fd | 1053 | QETH_CARD_TEXT(card, 4, "simassp6"); |
b475e316 | 1054 | iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, |
4a71df50 | 1055 | 0, QETH_PROT_IPV6); |
1aec42bc TR |
1056 | if (!iob) |
1057 | return -ENOMEM; | |
4d7def2a | 1058 | rc = qeth_send_setassparms(card, iob, 0, 0, |
4a71df50 FB |
1059 | qeth_l3_default_setassparms_cb, NULL); |
1060 | return rc; | |
1061 | } | |
1062 | #endif | |
1063 | ||
4a71df50 FB |
1064 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) |
1065 | { | |
1066 | int rc; | |
1067 | ||
847a50fd | 1068 | QETH_CARD_TEXT(card, 3, "ipaarp"); |
4a71df50 FB |
1069 | |
1070 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
74eacdb9 FB |
1071 | dev_info(&card->gdev->dev, |
1072 | "ARP processing not supported on %s!\n", | |
1073 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1074 | return 0; |
1075 | } | |
4d7def2a TR |
1076 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
1077 | IPA_CMD_ASS_START, 0); | |
4a71df50 | 1078 | if (rc) { |
74eacdb9 FB |
1079 | dev_warn(&card->gdev->dev, |
1080 | "Starting ARP processing support for %s failed\n", | |
1081 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1082 | } |
1083 | return rc; | |
1084 | } | |
1085 | ||
1086 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) | |
1087 | { | |
1088 | int rc; | |
1089 | ||
847a50fd | 1090 | QETH_CARD_TEXT(card, 3, "ipaipfrg"); |
4a71df50 FB |
1091 | |
1092 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
74eacdb9 FB |
1093 | dev_info(&card->gdev->dev, |
1094 | "Hardware IP fragmentation not supported on %s\n", | |
1095 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1096 | return -EOPNOTSUPP; |
1097 | } | |
1098 | ||
4d7def2a | 1099 | rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, |
4a71df50 FB |
1100 | IPA_CMD_ASS_START, 0); |
1101 | if (rc) { | |
74eacdb9 FB |
1102 | dev_warn(&card->gdev->dev, |
1103 | "Starting IP fragmentation support for %s failed\n", | |
1104 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1105 | } else |
74eacdb9 FB |
1106 | dev_info(&card->gdev->dev, |
1107 | "Hardware IP fragmentation enabled \n"); | |
4a71df50 FB |
1108 | return rc; |
1109 | } | |
1110 | ||
1111 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) | |
1112 | { | |
1113 | int rc; | |
1114 | ||
847a50fd | 1115 | QETH_CARD_TEXT(card, 3, "stsrcmac"); |
4a71df50 | 1116 | |
4a71df50 | 1117 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
74eacdb9 | 1118 | dev_info(&card->gdev->dev, |
fe94e2e0 | 1119 | "Inbound source MAC-address not supported on %s\n", |
74eacdb9 | 1120 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1121 | return -EOPNOTSUPP; |
1122 | } | |
1123 | ||
4d7def2a | 1124 | rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC, |
4a71df50 FB |
1125 | IPA_CMD_ASS_START, 0); |
1126 | if (rc) | |
74eacdb9 | 1127 | dev_warn(&card->gdev->dev, |
fe94e2e0 | 1128 | "Starting source MAC-address support for %s failed\n", |
74eacdb9 | 1129 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1130 | return rc; |
1131 | } | |
1132 | ||
1133 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
1134 | { | |
1135 | int rc = 0; | |
1136 | ||
847a50fd | 1137 | QETH_CARD_TEXT(card, 3, "strtvlan"); |
4a71df50 FB |
1138 | |
1139 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
74eacdb9 FB |
1140 | dev_info(&card->gdev->dev, |
1141 | "VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1142 | return -EOPNOTSUPP; |
1143 | } | |
1144 | ||
4d7def2a | 1145 | rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO, |
4a71df50 FB |
1146 | IPA_CMD_ASS_START, 0); |
1147 | if (rc) { | |
74eacdb9 FB |
1148 | dev_warn(&card->gdev->dev, |
1149 | "Starting VLAN support for %s failed\n", | |
1150 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1151 | } else { |
74eacdb9 | 1152 | dev_info(&card->gdev->dev, "VLAN enabled\n"); |
4a71df50 FB |
1153 | } |
1154 | return rc; | |
1155 | } | |
1156 | ||
1157 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
1158 | { | |
1159 | int rc; | |
1160 | ||
847a50fd | 1161 | QETH_CARD_TEXT(card, 3, "stmcast"); |
4a71df50 FB |
1162 | |
1163 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
74eacdb9 FB |
1164 | dev_info(&card->gdev->dev, |
1165 | "Multicast not supported on %s\n", | |
1166 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1167 | return -EOPNOTSUPP; |
1168 | } | |
1169 | ||
4d7def2a | 1170 | rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING, |
4a71df50 FB |
1171 | IPA_CMD_ASS_START, 0); |
1172 | if (rc) { | |
74eacdb9 FB |
1173 | dev_warn(&card->gdev->dev, |
1174 | "Starting multicast support for %s failed\n", | |
1175 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1176 | } else { |
74eacdb9 | 1177 | dev_info(&card->gdev->dev, "Multicast enabled\n"); |
4a71df50 FB |
1178 | card->dev->flags |= IFF_MULTICAST; |
1179 | } | |
1180 | return rc; | |
1181 | } | |
1182 | ||
4a71df50 FB |
1183 | #ifdef CONFIG_QETH_IPV6 |
1184 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) | |
1185 | { | |
1186 | int rc; | |
1187 | ||
847a50fd | 1188 | QETH_CARD_TEXT(card, 3, "softipv6"); |
4a71df50 FB |
1189 | |
1190 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1191 | goto out; | |
1192 | ||
1da74b1c | 1193 | rc = qeth_query_ipassists(card, QETH_PROT_IPV6); |
4a71df50 | 1194 | if (rc) { |
74eacdb9 FB |
1195 | dev_err(&card->gdev->dev, |
1196 | "Activating IPv6 support for %s failed\n", | |
1197 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1198 | return rc; |
1199 | } | |
4d7def2a | 1200 | rc = qeth_send_simple_setassparms(card, IPA_IPV6, |
4a71df50 FB |
1201 | IPA_CMD_ASS_START, 3); |
1202 | if (rc) { | |
74eacdb9 FB |
1203 | dev_err(&card->gdev->dev, |
1204 | "Activating IPv6 support for %s failed\n", | |
1205 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1206 | return rc; |
1207 | } | |
1208 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
1209 | IPA_CMD_ASS_START); | |
1210 | if (rc) { | |
74eacdb9 FB |
1211 | dev_err(&card->gdev->dev, |
1212 | "Activating IPv6 support for %s failed\n", | |
1213 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1214 | return rc; |
1215 | } | |
1216 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
1217 | IPA_CMD_ASS_START); | |
1218 | if (rc) { | |
74eacdb9 FB |
1219 | dev_warn(&card->gdev->dev, |
1220 | "Enabling the passthrough mode for %s failed\n", | |
1221 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1222 | return rc; |
1223 | } | |
1224 | out: | |
74eacdb9 | 1225 | dev_info(&card->gdev->dev, "IPV6 enabled\n"); |
4a71df50 FB |
1226 | return 0; |
1227 | } | |
1228 | #endif | |
1229 | ||
1230 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
1231 | { | |
1232 | int rc = 0; | |
1233 | ||
847a50fd | 1234 | QETH_CARD_TEXT(card, 3, "strtipv6"); |
4a71df50 FB |
1235 | |
1236 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
74eacdb9 FB |
1237 | dev_info(&card->gdev->dev, |
1238 | "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1239 | return 0; |
1240 | } | |
1241 | #ifdef CONFIG_QETH_IPV6 | |
1242 | rc = qeth_l3_softsetup_ipv6(card); | |
1243 | #endif | |
1244 | return rc ; | |
1245 | } | |
1246 | ||
1247 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
1248 | { | |
1249 | int rc; | |
1250 | ||
847a50fd | 1251 | QETH_CARD_TEXT(card, 3, "stbrdcst"); |
4a71df50 FB |
1252 | card->info.broadcast_capable = 0; |
1253 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
74eacdb9 FB |
1254 | dev_info(&card->gdev->dev, |
1255 | "Broadcast not supported on %s\n", | |
1256 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1257 | rc = -EOPNOTSUPP; |
1258 | goto out; | |
1259 | } | |
4d7def2a | 1260 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
4a71df50 FB |
1261 | IPA_CMD_ASS_START, 0); |
1262 | if (rc) { | |
74eacdb9 FB |
1263 | dev_warn(&card->gdev->dev, "Enabling broadcast filtering for " |
1264 | "%s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1265 | goto out; |
1266 | } | |
1267 | ||
4d7def2a | 1268 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
4a71df50 FB |
1269 | IPA_CMD_ASS_CONFIGURE, 1); |
1270 | if (rc) { | |
74eacdb9 FB |
1271 | dev_warn(&card->gdev->dev, |
1272 | "Setting up broadcast filtering for %s failed\n", | |
1273 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1274 | goto out; |
1275 | } | |
1276 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
74eacdb9 | 1277 | dev_info(&card->gdev->dev, "Broadcast enabled\n"); |
4d7def2a | 1278 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
4a71df50 FB |
1279 | IPA_CMD_ASS_ENABLE, 1); |
1280 | if (rc) { | |
74eacdb9 FB |
1281 | dev_warn(&card->gdev->dev, "Setting up broadcast echo " |
1282 | "filtering for %s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1283 | goto out; |
1284 | } | |
1285 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
1286 | out: | |
1287 | if (card->info.broadcast_capable) | |
1288 | card->dev->flags |= IFF_BROADCAST; | |
1289 | else | |
1290 | card->dev->flags &= ~IFF_BROADCAST; | |
1291 | return rc; | |
1292 | } | |
1293 | ||
4d7def2a | 1294 | static void qeth_l3_start_ipa_checksum(struct qeth_card *card) |
4a71df50 | 1295 | { |
847a50fd | 1296 | QETH_CARD_TEXT(card, 3, "strtcsum"); |
4d7def2a TR |
1297 | if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM) |
1298 | && (card->dev->features & NETIF_F_RXCSUM)) | |
1299 | qeth_set_rx_csum(card, 1); | |
4a71df50 FB |
1300 | } |
1301 | ||
4d7def2a | 1302 | static void qeth_l3_start_ipa_tx_checksum(struct qeth_card *card) |
f6b85b6c | 1303 | { |
4d7def2a TR |
1304 | QETH_CARD_TEXT(card, 3, "strttxcs"); |
1305 | qeth_start_ipa_tx_checksum(card); | |
f6b85b6c FB |
1306 | } |
1307 | ||
4a71df50 FB |
1308 | static int qeth_l3_start_ipa_tso(struct qeth_card *card) |
1309 | { | |
1310 | int rc; | |
1311 | ||
847a50fd | 1312 | QETH_CARD_TEXT(card, 3, "sttso"); |
4a71df50 FB |
1313 | |
1314 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
74eacdb9 FB |
1315 | dev_info(&card->gdev->dev, |
1316 | "Outbound TSO not supported on %s\n", | |
1317 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1318 | rc = -EOPNOTSUPP; |
1319 | } else { | |
4d7def2a TR |
1320 | rc = qeth_send_simple_setassparms(card, IPA_OUTBOUND_TSO, |
1321 | IPA_CMD_ASS_START, 0); | |
4a71df50 | 1322 | if (rc) |
74eacdb9 FB |
1323 | dev_warn(&card->gdev->dev, "Starting outbound TCP " |
1324 | "segmentation offload for %s failed\n", | |
1325 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1326 | else |
74eacdb9 FB |
1327 | dev_info(&card->gdev->dev, |
1328 | "Outbound TSO enabled\n"); | |
4a71df50 | 1329 | } |
6204b47e MM |
1330 | if (rc) |
1331 | card->dev->features &= ~NETIF_F_TSO; | |
4a71df50 FB |
1332 | return rc; |
1333 | } | |
1334 | ||
1335 | static int qeth_l3_start_ipassists(struct qeth_card *card) | |
1336 | { | |
847a50fd | 1337 | QETH_CARD_TEXT(card, 3, "strtipas"); |
d64ecc22 | 1338 | |
0f54761d SR |
1339 | if (qeth_set_access_ctrl_online(card, 0)) |
1340 | return -EIO; | |
4a71df50 FB |
1341 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
1342 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ | |
1343 | qeth_l3_start_ipa_source_mac(card); /* go on*/ | |
1344 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
1345 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
1346 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
1347 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
1348 | qeth_l3_start_ipa_checksum(card); /* go on*/ | |
f6b85b6c | 1349 | qeth_l3_start_ipa_tx_checksum(card); |
4a71df50 FB |
1350 | qeth_l3_start_ipa_tso(card); /* go on*/ |
1351 | return 0; | |
1352 | } | |
1353 | ||
4a71df50 FB |
1354 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
1355 | struct qeth_reply *reply, unsigned long data) | |
1356 | { | |
1357 | struct qeth_ipa_cmd *cmd; | |
1358 | ||
1359 | cmd = (struct qeth_ipa_cmd *) data; | |
1360 | if (cmd->hdr.return_code == 0) | |
1361 | memcpy(card->dev->dev_addr, | |
1362 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); | |
1363 | else | |
1833611d | 1364 | eth_random_addr(card->dev->dev_addr); |
4a71df50 FB |
1365 | |
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
1370 | { | |
1371 | int rc = 0; | |
1372 | struct qeth_cmd_buffer *iob; | |
1373 | struct qeth_ipa_cmd *cmd; | |
1374 | ||
d11ba0c4 | 1375 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
4a71df50 FB |
1376 | |
1377 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1378 | QETH_PROT_IPV6); | |
1aec42bc TR |
1379 | if (!iob) |
1380 | return -ENOMEM; | |
4a71df50 FB |
1381 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1382 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1383 | card->info.unique_id; | |
1384 | ||
1385 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
1386 | NULL); | |
1387 | return rc; | |
1388 | } | |
1389 | ||
1390 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
1391 | struct qeth_reply *reply, unsigned long data) | |
1392 | { | |
1393 | struct qeth_ipa_cmd *cmd; | |
1394 | ||
1395 | cmd = (struct qeth_ipa_cmd *) data; | |
1396 | if (cmd->hdr.return_code == 0) | |
1397 | card->info.unique_id = *((__u16 *) | |
1398 | &cmd->data.create_destroy_addr.unique_id[6]); | |
1399 | else { | |
1400 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1401 | UNIQUE_ID_NOT_BY_CARD; | |
74eacdb9 FB |
1402 | dev_warn(&card->gdev->dev, "The network adapter failed to " |
1403 | "generate a unique ID\n"); | |
4a71df50 FB |
1404 | } |
1405 | return 0; | |
1406 | } | |
1407 | ||
1408 | static int qeth_l3_get_unique_id(struct qeth_card *card) | |
1409 | { | |
1410 | int rc = 0; | |
1411 | struct qeth_cmd_buffer *iob; | |
1412 | struct qeth_ipa_cmd *cmd; | |
1413 | ||
d11ba0c4 | 1414 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
4a71df50 FB |
1415 | |
1416 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1417 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1418 | UNIQUE_ID_NOT_BY_CARD; | |
1419 | return 0; | |
1420 | } | |
1421 | ||
1422 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1423 | QETH_PROT_IPV6); | |
1aec42bc TR |
1424 | if (!iob) |
1425 | return -ENOMEM; | |
4a71df50 FB |
1426 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1427 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1428 | card->info.unique_id; | |
1429 | ||
1430 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); | |
1431 | return rc; | |
1432 | } | |
1433 | ||
76b11f8e UB |
1434 | static int |
1435 | qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1436 | unsigned long data) | |
1437 | { | |
1438 | struct qeth_ipa_cmd *cmd; | |
1439 | __u16 rc; | |
1440 | ||
1441 | QETH_DBF_TEXT(SETUP, 2, "diastrcb"); | |
1442 | ||
1443 | cmd = (struct qeth_ipa_cmd *)data; | |
1444 | rc = cmd->hdr.return_code; | |
a959189a | 1445 | if (rc) |
847a50fd | 1446 | QETH_CARD_TEXT_(card, 2, "dxter%x", rc); |
76b11f8e UB |
1447 | switch (cmd->data.diagass.action) { |
1448 | case QETH_DIAGS_CMD_TRACE_QUERY: | |
1449 | break; | |
1450 | case QETH_DIAGS_CMD_TRACE_DISABLE: | |
a959189a UB |
1451 | switch (rc) { |
1452 | case 0: | |
1453 | case IPA_RC_INVALID_SUBCMD: | |
1454 | card->info.promisc_mode = SET_PROMISC_MODE_OFF; | |
1455 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1456 | "traffic analyzer is deactivated\n"); | |
1457 | break; | |
1458 | default: | |
1459 | break; | |
1460 | } | |
76b11f8e UB |
1461 | break; |
1462 | case QETH_DIAGS_CMD_TRACE_ENABLE: | |
a959189a UB |
1463 | switch (rc) { |
1464 | case 0: | |
1465 | card->info.promisc_mode = SET_PROMISC_MODE_ON; | |
1466 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1467 | "traffic analyzer is activated\n"); | |
1468 | break; | |
1469 | case IPA_RC_HARDWARE_AUTH_ERROR: | |
1470 | dev_warn(&card->gdev->dev, "The device is not " | |
1471 | "authorized to run as a HiperSockets network " | |
1472 | "traffic analyzer\n"); | |
1473 | break; | |
1474 | case IPA_RC_TRACE_ALREADY_ACTIVE: | |
1475 | dev_warn(&card->gdev->dev, "A HiperSockets " | |
1476 | "network traffic analyzer is already " | |
1477 | "active in the HiperSockets LAN\n"); | |
1478 | break; | |
1479 | default: | |
1480 | break; | |
1481 | } | |
76b11f8e UB |
1482 | break; |
1483 | default: | |
1484 | QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n", | |
1485 | cmd->data.diagass.action, QETH_CARD_IFNAME(card)); | |
1486 | } | |
1487 | ||
1488 | return 0; | |
1489 | } | |
1490 | ||
1491 | static int | |
1492 | qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) | |
1493 | { | |
1494 | struct qeth_cmd_buffer *iob; | |
1495 | struct qeth_ipa_cmd *cmd; | |
1496 | ||
1497 | QETH_DBF_TEXT(SETUP, 2, "diagtrac"); | |
1498 | ||
1499 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
1aec42bc TR |
1500 | if (!iob) |
1501 | return -ENOMEM; | |
76b11f8e UB |
1502 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1503 | cmd->data.diagass.subcmd_len = 16; | |
1504 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE; | |
1505 | cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET; | |
1506 | cmd->data.diagass.action = diags_cmd; | |
1507 | return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL); | |
1508 | } | |
1509 | ||
4a71df50 FB |
1510 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, |
1511 | struct net_device *dev) | |
1512 | { | |
1abd2296 | 1513 | ip_eth_mc_map(ipm, mac); |
4a71df50 FB |
1514 | } |
1515 | ||
1516 | static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
1517 | { | |
1518 | struct qeth_ipaddr *ipm; | |
1519 | struct ip_mc_list *im4; | |
1520 | char buf[MAX_ADDR_LEN]; | |
1521 | ||
847a50fd | 1522 | QETH_CARD_TEXT(card, 4, "addmc"); |
f3aa3136 SS |
1523 | for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; |
1524 | im4 = rcu_dereference(im4->next_rcu)) { | |
4a71df50 FB |
1525 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); |
1526 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1527 | if (!ipm) | |
1528 | continue; | |
1529 | ipm->u.a4.addr = im4->multiaddr; | |
1530 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1531 | ipm->is_multicast = 1; | |
1532 | if (!qeth_l3_add_ip(card, ipm)) | |
1533 | kfree(ipm); | |
1534 | } | |
1535 | } | |
1536 | ||
0347af51 | 1537 | /* called with rcu_read_lock */ |
4a71df50 FB |
1538 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) |
1539 | { | |
1540 | struct in_device *in_dev; | |
7ff0bcf6 | 1541 | u16 vid; |
4a71df50 | 1542 | |
847a50fd | 1543 | QETH_CARD_TEXT(card, 4, "addmcvl"); |
7ff0bcf6 | 1544 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1545 | return; |
1546 | ||
7ff0bcf6 JP |
1547 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1548 | struct net_device *netdev; | |
1549 | ||
f06c7f9f | 1550 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 1551 | vid); |
4a71df50 FB |
1552 | if (netdev == NULL || |
1553 | !(netdev->flags & IFF_UP)) | |
1554 | continue; | |
0347af51 | 1555 | in_dev = __in_dev_get_rcu(netdev); |
4a71df50 FB |
1556 | if (!in_dev) |
1557 | continue; | |
4a71df50 | 1558 | qeth_l3_add_mc(card, in_dev); |
4a71df50 FB |
1559 | } |
1560 | } | |
1561 | ||
1562 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) | |
1563 | { | |
1564 | struct in_device *in4_dev; | |
1565 | ||
847a50fd | 1566 | QETH_CARD_TEXT(card, 4, "chkmcv4"); |
f3aa3136 | 1567 | rcu_read_lock(); |
0347af51 JP |
1568 | in4_dev = __in_dev_get_rcu(card->dev); |
1569 | if (in4_dev == NULL) | |
1570 | goto unlock; | |
4a71df50 FB |
1571 | qeth_l3_add_mc(card, in4_dev); |
1572 | qeth_l3_add_vlan_mc(card); | |
0347af51 | 1573 | unlock: |
f3aa3136 | 1574 | rcu_read_unlock(); |
4a71df50 FB |
1575 | } |
1576 | ||
1577 | #ifdef CONFIG_QETH_IPV6 | |
1578 | static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
1579 | { | |
1580 | struct qeth_ipaddr *ipm; | |
1581 | struct ifmcaddr6 *im6; | |
1582 | char buf[MAX_ADDR_LEN]; | |
1583 | ||
847a50fd | 1584 | QETH_CARD_TEXT(card, 4, "addmc6"); |
4a71df50 FB |
1585 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
1586 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
1587 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1588 | if (!ipm) | |
1589 | continue; | |
1590 | ipm->is_multicast = 1; | |
1591 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1592 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, | |
1593 | sizeof(struct in6_addr)); | |
1594 | if (!qeth_l3_add_ip(card, ipm)) | |
1595 | kfree(ipm); | |
1596 | } | |
1597 | } | |
1598 | ||
0347af51 | 1599 | /* called with rcu_read_lock */ |
4a71df50 FB |
1600 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) |
1601 | { | |
1602 | struct inet6_dev *in_dev; | |
7ff0bcf6 | 1603 | u16 vid; |
4a71df50 | 1604 | |
847a50fd | 1605 | QETH_CARD_TEXT(card, 4, "admc6vl"); |
7ff0bcf6 | 1606 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1607 | return; |
1608 | ||
7ff0bcf6 JP |
1609 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1610 | struct net_device *netdev; | |
1611 | ||
f06c7f9f | 1612 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 1613 | vid); |
4a71df50 FB |
1614 | if (netdev == NULL || |
1615 | !(netdev->flags & IFF_UP)) | |
1616 | continue; | |
1617 | in_dev = in6_dev_get(netdev); | |
1618 | if (!in_dev) | |
1619 | continue; | |
1620 | read_lock_bh(&in_dev->lock); | |
1621 | qeth_l3_add_mc6(card, in_dev); | |
1622 | read_unlock_bh(&in_dev->lock); | |
1623 | in6_dev_put(in_dev); | |
1624 | } | |
1625 | } | |
1626 | ||
1627 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) | |
1628 | { | |
1629 | struct inet6_dev *in6_dev; | |
1630 | ||
847a50fd | 1631 | QETH_CARD_TEXT(card, 4, "chkmcv6"); |
4a71df50 FB |
1632 | if (!qeth_is_supported(card, IPA_IPV6)) |
1633 | return ; | |
1634 | in6_dev = in6_dev_get(card->dev); | |
1635 | if (in6_dev == NULL) | |
1636 | return; | |
0347af51 | 1637 | rcu_read_lock(); |
4a71df50 FB |
1638 | read_lock_bh(&in6_dev->lock); |
1639 | qeth_l3_add_mc6(card, in6_dev); | |
1640 | qeth_l3_add_vlan_mc6(card); | |
1641 | read_unlock_bh(&in6_dev->lock); | |
0347af51 | 1642 | rcu_read_unlock(); |
4a71df50 FB |
1643 | in6_dev_put(in6_dev); |
1644 | } | |
1645 | #endif /* CONFIG_QETH_IPV6 */ | |
1646 | ||
1647 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, | |
1648 | unsigned short vid) | |
1649 | { | |
1650 | struct in_device *in_dev; | |
1651 | struct in_ifaddr *ifa; | |
1652 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1653 | struct net_device *netdev; |
4a71df50 | 1654 | |
847a50fd | 1655 | QETH_CARD_TEXT(card, 4, "frvaddr4"); |
4a71df50 | 1656 | |
f06c7f9f | 1657 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid); |
eabfbe62 | 1658 | if (!netdev) |
1659 | return; | |
7ff0bcf6 | 1660 | in_dev = in_dev_get(netdev); |
4a71df50 FB |
1661 | if (!in_dev) |
1662 | return; | |
1663 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
1664 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1665 | if (addr) { | |
1666 | addr->u.a4.addr = ifa->ifa_address; | |
1667 | addr->u.a4.mask = ifa->ifa_mask; | |
1668 | addr->type = QETH_IP_TYPE_NORMAL; | |
1669 | if (!qeth_l3_delete_ip(card, addr)) | |
1670 | kfree(addr); | |
1671 | } | |
1672 | } | |
1673 | in_dev_put(in_dev); | |
1674 | } | |
1675 | ||
1676 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, | |
1677 | unsigned short vid) | |
1678 | { | |
1679 | #ifdef CONFIG_QETH_IPV6 | |
1680 | struct inet6_dev *in6_dev; | |
1681 | struct inet6_ifaddr *ifa; | |
1682 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1683 | struct net_device *netdev; |
4a71df50 | 1684 | |
847a50fd | 1685 | QETH_CARD_TEXT(card, 4, "frvaddr6"); |
4a71df50 | 1686 | |
f06c7f9f | 1687 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid); |
eabfbe62 | 1688 | if (!netdev) |
1689 | return; | |
7ff0bcf6 | 1690 | in6_dev = in6_dev_get(netdev); |
4a71df50 FB |
1691 | if (!in6_dev) |
1692 | return; | |
70f60a22 | 1693 | list_for_each_entry(ifa, &in6_dev->addr_list, if_list) { |
4a71df50 FB |
1694 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
1695 | if (addr) { | |
1696 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
1697 | sizeof(struct in6_addr)); | |
1698 | addr->u.a6.pfxlen = ifa->prefix_len; | |
1699 | addr->type = QETH_IP_TYPE_NORMAL; | |
1700 | if (!qeth_l3_delete_ip(card, addr)) | |
1701 | kfree(addr); | |
1702 | } | |
1703 | } | |
1704 | in6_dev_put(in6_dev); | |
1705 | #endif /* CONFIG_QETH_IPV6 */ | |
1706 | } | |
1707 | ||
1708 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, | |
1709 | unsigned short vid) | |
1710 | { | |
0347af51 | 1711 | rcu_read_lock(); |
4a71df50 FB |
1712 | qeth_l3_free_vlan_addresses4(card, vid); |
1713 | qeth_l3_free_vlan_addresses6(card, vid); | |
0347af51 | 1714 | rcu_read_unlock(); |
4a71df50 FB |
1715 | } |
1716 | ||
80d5c368 PM |
1717 | static int qeth_l3_vlan_rx_add_vid(struct net_device *dev, |
1718 | __be16 proto, u16 vid) | |
4a71df50 | 1719 | { |
509e2562 | 1720 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 1721 | |
7ff0bcf6 | 1722 | set_bit(vid, card->active_vlans); |
8e586137 | 1723 | return 0; |
4a71df50 FB |
1724 | } |
1725 | ||
80d5c368 PM |
1726 | static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev, |
1727 | __be16 proto, u16 vid) | |
4a71df50 | 1728 | { |
509e2562 | 1729 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
1730 | unsigned long flags; |
1731 | ||
847a50fd | 1732 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
8e98ac48 | 1733 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 1734 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e586137 | 1735 | return 0; |
8e98ac48 | 1736 | } |
4a71df50 FB |
1737 | spin_lock_irqsave(&card->vlanlock, flags); |
1738 | /* unregister IP addresses of vlan device */ | |
1739 | qeth_l3_free_vlan_addresses(card, vid); | |
7ff0bcf6 | 1740 | clear_bit(vid, card->active_vlans); |
4a71df50 FB |
1741 | spin_unlock_irqrestore(&card->vlanlock, flags); |
1742 | qeth_l3_set_multicast_list(card->dev); | |
8e586137 | 1743 | return 0; |
4a71df50 FB |
1744 | } |
1745 | ||
10651db7 UB |
1746 | static inline int qeth_l3_rebuild_skb(struct qeth_card *card, |
1747 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
1748 | unsigned short *vlan_id) | |
4a71df50 | 1749 | { |
4a71df50 FB |
1750 | __be16 prot; |
1751 | struct iphdr *ip_hdr; | |
1752 | unsigned char tg_addr[MAX_ADDR_LEN]; | |
10651db7 | 1753 | int is_vlan = 0; |
4a71df50 FB |
1754 | |
1755 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { | |
1756 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
1757 | ETH_P_IP); | |
1758 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { | |
1759 | case QETH_CAST_MULTICAST: | |
1760 | switch (prot) { | |
1761 | #ifdef CONFIG_QETH_IPV6 | |
1762 | case __constant_htons(ETH_P_IPV6): | |
1763 | ndisc_mc_map((struct in6_addr *) | |
1764 | skb->data + 24, | |
1765 | tg_addr, card->dev, 0); | |
1766 | break; | |
1767 | #endif | |
1768 | case __constant_htons(ETH_P_IP): | |
1769 | ip_hdr = (struct iphdr *)skb->data; | |
4a71df50 FB |
1770 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); |
1771 | break; | |
1772 | default: | |
1773 | memcpy(tg_addr, card->dev->broadcast, | |
1774 | card->dev->addr_len); | |
1775 | } | |
1776 | card->stats.multicast++; | |
1777 | skb->pkt_type = PACKET_MULTICAST; | |
1778 | break; | |
1779 | case QETH_CAST_BROADCAST: | |
1780 | memcpy(tg_addr, card->dev->broadcast, | |
1781 | card->dev->addr_len); | |
1782 | card->stats.multicast++; | |
1783 | skb->pkt_type = PACKET_BROADCAST; | |
1784 | break; | |
1785 | case QETH_CAST_UNICAST: | |
1786 | case QETH_CAST_ANYCAST: | |
1787 | case QETH_CAST_NOCAST: | |
1788 | default: | |
76b11f8e UB |
1789 | if (card->options.sniffer) |
1790 | skb->pkt_type = PACKET_OTHERHOST; | |
1791 | else | |
1792 | skb->pkt_type = PACKET_HOST; | |
4a71df50 FB |
1793 | memcpy(tg_addr, card->dev->dev_addr, |
1794 | card->dev->addr_len); | |
1795 | } | |
fe94e2e0 UB |
1796 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) |
1797 | card->dev->header_ops->create(skb, card->dev, prot, | |
1798 | tg_addr, &hdr->hdr.l3.dest_addr[2], | |
1799 | card->dev->addr_len); | |
1800 | else | |
1801 | card->dev->header_ops->create(skb, card->dev, prot, | |
1802 | tg_addr, "FAKELL", card->dev->addr_len); | |
4a71df50 FB |
1803 | } |
1804 | ||
1abd2296 | 1805 | skb->protocol = eth_type_trans(skb, card->dev); |
4a71df50 FB |
1806 | |
1807 | if (hdr->hdr.l3.ext_flags & | |
1808 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
10651db7 | 1809 | *vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ? |
4a71df50 | 1810 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); |
10651db7 | 1811 | is_vlan = 1; |
4a71df50 FB |
1812 | } |
1813 | ||
c5e631a8 | 1814 | if (card->dev->features & NETIF_F_RXCSUM) { |
4a71df50 | 1815 | if ((hdr->hdr.l3.ext_flags & |
b9139800 UB |
1816 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
1817 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
1818 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
1819 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) | |
4a71df50 FB |
1820 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
1821 | else | |
b9139800 | 1822 | skb->ip_summed = CHECKSUM_NONE; |
c5e631a8 FB |
1823 | } else |
1824 | skb->ip_summed = CHECKSUM_NONE; | |
10651db7 | 1825 | return is_vlan; |
4a71df50 FB |
1826 | } |
1827 | ||
a1c3ed4c FB |
1828 | static int qeth_l3_process_inbound_buffer(struct qeth_card *card, |
1829 | int budget, int *done) | |
4a71df50 | 1830 | { |
a1c3ed4c | 1831 | int work_done = 0; |
4a71df50 FB |
1832 | struct sk_buff *skb; |
1833 | struct qeth_hdr *hdr; | |
4a71df50 | 1834 | __u16 vlan_tag = 0; |
10651db7 | 1835 | int is_vlan; |
4a71df50 | 1836 | unsigned int len; |
b3332930 | 1837 | __u16 magic; |
4a71df50 | 1838 | |
a1c3ed4c | 1839 | *done = 0; |
18af5c17 | 1840 | WARN_ON_ONCE(!budget); |
a1c3ed4c FB |
1841 | while (budget) { |
1842 | skb = qeth_core_get_next_skb(card, | |
b3332930 | 1843 | &card->qdio.in_q->bufs[card->rx.b_index], |
a1c3ed4c FB |
1844 | &card->rx.b_element, &card->rx.e_offset, &hdr); |
1845 | if (!skb) { | |
1846 | *done = 1; | |
1847 | break; | |
1848 | } | |
1849 | skb->dev = card->dev; | |
4a71df50 FB |
1850 | switch (hdr->hdr.l3.id) { |
1851 | case QETH_HEADER_TYPE_LAYER3: | |
b3332930 FB |
1852 | magic = *(__u16 *)skb->data; |
1853 | if ((card->info.type == QETH_CARD_TYPE_IQD) && | |
1854 | (magic == ETH_P_AF_IUCV)) { | |
1855 | skb->protocol = ETH_P_AF_IUCV; | |
1856 | skb->pkt_type = PACKET_HOST; | |
1857 | skb->mac_header = NET_SKB_PAD; | |
1858 | skb->dev = card->dev; | |
1859 | len = skb->len; | |
1860 | card->dev->header_ops->create(skb, card->dev, 0, | |
1861 | card->dev->dev_addr, "FAKELL", | |
1862 | card->dev->addr_len); | |
1863 | netif_receive_skb(skb); | |
1864 | } else { | |
1865 | is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, | |
10651db7 | 1866 | &vlan_tag); |
b3332930 FB |
1867 | len = skb->len; |
1868 | if (is_vlan && !card->options.sniffer) | |
91b1c1aa PM |
1869 | __vlan_hwaccel_put_tag(skb, |
1870 | htons(ETH_P_8021Q), vlan_tag); | |
b3332930 FB |
1871 | napi_gro_receive(&card->napi, skb); |
1872 | } | |
4a71df50 | 1873 | break; |
76b11f8e UB |
1874 | case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */ |
1875 | skb->pkt_type = PACKET_HOST; | |
1876 | skb->protocol = eth_type_trans(skb, skb->dev); | |
76b11f8e UB |
1877 | len = skb->len; |
1878 | netif_receive_skb(skb); | |
1879 | break; | |
4a71df50 FB |
1880 | default: |
1881 | dev_kfree_skb_any(skb); | |
847a50fd | 1882 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 1883 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
1884 | continue; |
1885 | } | |
a1c3ed4c FB |
1886 | work_done++; |
1887 | budget--; | |
4a71df50 FB |
1888 | card->stats.rx_packets++; |
1889 | card->stats.rx_bytes += len; | |
1890 | } | |
a1c3ed4c FB |
1891 | return work_done; |
1892 | } | |
1893 | ||
1894 | static int qeth_l3_poll(struct napi_struct *napi, int budget) | |
1895 | { | |
1896 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
1897 | int work_done = 0; | |
1898 | struct qeth_qdio_buffer *buffer; | |
1899 | int done; | |
1900 | int new_budget = budget; | |
1901 | ||
1902 | if (card->options.performance_stats) { | |
1903 | card->perf_stats.inbound_cnt++; | |
1904 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
1905 | } | |
1906 | ||
1907 | while (1) { | |
1908 | if (!card->rx.b_count) { | |
1909 | card->rx.qdio_err = 0; | |
1910 | card->rx.b_count = qdio_get_next_buffers( | |
1911 | card->data.ccwdev, 0, &card->rx.b_index, | |
1912 | &card->rx.qdio_err); | |
1913 | if (card->rx.b_count <= 0) { | |
1914 | card->rx.b_count = 0; | |
1915 | break; | |
1916 | } | |
1917 | card->rx.b_element = | |
1918 | &card->qdio.in_q->bufs[card->rx.b_index] | |
1919 | .buffer->element[0]; | |
1920 | card->rx.e_offset = 0; | |
1921 | } | |
1922 | ||
1923 | while (card->rx.b_count) { | |
1924 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
1925 | if (!(card->rx.qdio_err && | |
1926 | qeth_check_qdio_errors(card, buffer->buffer, | |
1927 | card->rx.qdio_err, "qinerr"))) | |
1928 | work_done += qeth_l3_process_inbound_buffer( | |
1929 | card, new_budget, &done); | |
1930 | else | |
1931 | done = 1; | |
1932 | ||
1933 | if (done) { | |
1934 | if (card->options.performance_stats) | |
1935 | card->perf_stats.bufs_rec++; | |
1936 | qeth_put_buffer_pool_entry(card, | |
1937 | buffer->pool_entry); | |
1938 | qeth_queue_input_buffer(card, card->rx.b_index); | |
1939 | card->rx.b_count--; | |
1940 | if (card->rx.b_count) { | |
1941 | card->rx.b_index = | |
1942 | (card->rx.b_index + 1) % | |
1943 | QDIO_MAX_BUFFERS_PER_Q; | |
1944 | card->rx.b_element = | |
1945 | &card->qdio.in_q | |
1946 | ->bufs[card->rx.b_index] | |
1947 | .buffer->element[0]; | |
1948 | card->rx.e_offset = 0; | |
1949 | } | |
1950 | } | |
1951 | ||
1952 | if (work_done >= budget) | |
1953 | goto out; | |
1954 | else | |
1955 | new_budget = budget - work_done; | |
1956 | } | |
1957 | } | |
1958 | ||
1959 | napi_complete(napi); | |
1960 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
1961 | napi_schedule(&card->napi); | |
1962 | out: | |
1963 | if (card->options.performance_stats) | |
1964 | card->perf_stats.inbound_time += qeth_get_micros() - | |
1965 | card->perf_stats.inbound_start_time; | |
1966 | return work_done; | |
4a71df50 FB |
1967 | } |
1968 | ||
1969 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, | |
1970 | struct qeth_card *card) | |
1971 | { | |
1972 | int rc = 0; | |
7ff0bcf6 | 1973 | u16 vid; |
4a71df50 | 1974 | |
7ff0bcf6 JP |
1975 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1976 | struct net_device *netdev; | |
4a71df50 | 1977 | |
7ff0bcf6 | 1978 | rcu_read_lock(); |
f06c7f9f | 1979 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 1980 | vid); |
7ff0bcf6 JP |
1981 | rcu_read_unlock(); |
1982 | if (netdev == dev) { | |
4a71df50 FB |
1983 | rc = QETH_VLAN_CARD; |
1984 | break; | |
1985 | } | |
1986 | } | |
1987 | ||
509e2562 | 1988 | if (rc && !(vlan_dev_real_dev(dev)->ml_priv == (void *)card)) |
4a71df50 FB |
1989 | return 0; |
1990 | ||
1991 | return rc; | |
1992 | } | |
1993 | ||
1994 | static int qeth_l3_verify_dev(struct net_device *dev) | |
1995 | { | |
1996 | struct qeth_card *card; | |
1997 | unsigned long flags; | |
1998 | int rc = 0; | |
1999 | ||
2000 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
2001 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
2002 | if (card->dev == dev) { | |
2003 | rc = QETH_REAL_CARD; | |
2004 | break; | |
2005 | } | |
2006 | rc = qeth_l3_verify_vlan_dev(dev, card); | |
2007 | if (rc) | |
2008 | break; | |
2009 | } | |
2010 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
2011 | ||
2012 | return rc; | |
2013 | } | |
2014 | ||
2015 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) | |
2016 | { | |
2017 | struct qeth_card *card = NULL; | |
2018 | int rc; | |
2019 | ||
2020 | rc = qeth_l3_verify_dev(dev); | |
2021 | if (rc == QETH_REAL_CARD) | |
509e2562 | 2022 | card = dev->ml_priv; |
4a71df50 | 2023 | else if (rc == QETH_VLAN_CARD) |
509e2562 | 2024 | card = vlan_dev_real_dev(dev)->ml_priv; |
e5bd7be5 | 2025 | if (card && card->options.layer2) |
4a71df50 | 2026 | card = NULL; |
847a50fd CO |
2027 | if (card) |
2028 | QETH_CARD_TEXT_(card, 4, "%d", rc); | |
4a71df50 FB |
2029 | return card ; |
2030 | } | |
2031 | ||
b2f4de8b | 2032 | static void qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) |
4a71df50 | 2033 | { |
d11ba0c4 PT |
2034 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
2035 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
2036 | |
2037 | qeth_set_allowed_threads(card, 0, 1); | |
76b11f8e UB |
2038 | if (card->options.sniffer && |
2039 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) | |
2040 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); | |
4a71df50 FB |
2041 | if (card->read.state == CH_STATE_UP && |
2042 | card->write.state == CH_STATE_UP && | |
2043 | (card->state == CARD_STATE_UP)) { | |
2044 | if (recovery_mode) | |
2045 | qeth_l3_stop(card->dev); | |
8af7c5ae | 2046 | else { |
869da90b UB |
2047 | rtnl_lock(); |
2048 | dev_close(card->dev); | |
2049 | rtnl_unlock(); | |
8af7c5ae | 2050 | } |
4a71df50 FB |
2051 | card->state = CARD_STATE_SOFTSETUP; |
2052 | } | |
2053 | if (card->state == CARD_STATE_SOFTSETUP) { | |
70919e23 | 2054 | qeth_l3_clear_ip_list(card, 1); |
4a71df50 FB |
2055 | qeth_clear_ipacmd_list(card); |
2056 | card->state = CARD_STATE_HARDSETUP; | |
2057 | } | |
2058 | if (card->state == CARD_STATE_HARDSETUP) { | |
4a71df50 FB |
2059 | qeth_qdio_clear_card(card, 0); |
2060 | qeth_clear_qdio_buffers(card); | |
2061 | qeth_clear_working_pool_list(card); | |
2062 | card->state = CARD_STATE_DOWN; | |
2063 | } | |
2064 | if (card->state == CARD_STATE_DOWN) { | |
2065 | qeth_clear_cmd_buffers(&card->read); | |
2066 | qeth_clear_cmd_buffers(&card->write); | |
2067 | } | |
4a71df50 FB |
2068 | } |
2069 | ||
76b11f8e UB |
2070 | /* |
2071 | * test for and Switch promiscuous mode (on or off) | |
2072 | * either for guestlan or HiperSocket Sniffer | |
2073 | */ | |
2074 | static void | |
2075 | qeth_l3_handle_promisc_mode(struct qeth_card *card) | |
2076 | { | |
2077 | struct net_device *dev = card->dev; | |
2078 | ||
2079 | if (((dev->flags & IFF_PROMISC) && | |
2080 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
2081 | (!(dev->flags & IFF_PROMISC) && | |
2082 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
2083 | return; | |
2084 | ||
2085 | if (card->info.guestlan) { /* Guestlan trace */ | |
2086 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2087 | qeth_setadp_promisc_mode(card); | |
2088 | } else if (card->options.sniffer && /* HiperSockets trace */ | |
2089 | qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) { | |
2090 | if (dev->flags & IFF_PROMISC) { | |
847a50fd | 2091 | QETH_CARD_TEXT(card, 3, "+promisc"); |
76b11f8e UB |
2092 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE); |
2093 | } else { | |
847a50fd | 2094 | QETH_CARD_TEXT(card, 3, "-promisc"); |
76b11f8e UB |
2095 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); |
2096 | } | |
2097 | } | |
2098 | } | |
2099 | ||
4a71df50 FB |
2100 | static void qeth_l3_set_multicast_list(struct net_device *dev) |
2101 | { | |
509e2562 | 2102 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 2103 | |
847a50fd | 2104 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
2105 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
2106 | (card->state != CARD_STATE_UP)) | |
2107 | return; | |
76b11f8e UB |
2108 | if (!card->options.sniffer) { |
2109 | qeth_l3_delete_mc_addresses(card); | |
2110 | qeth_l3_add_multicast_ipv4(card); | |
4a71df50 | 2111 | #ifdef CONFIG_QETH_IPV6 |
76b11f8e | 2112 | qeth_l3_add_multicast_ipv6(card); |
4a71df50 | 2113 | #endif |
76b11f8e UB |
2114 | qeth_l3_set_ip_addr_list(card); |
2115 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2116 | return; | |
2117 | } | |
2118 | qeth_l3_handle_promisc_mode(card); | |
4a71df50 FB |
2119 | } |
2120 | ||
2121 | static const char *qeth_l3_arp_get_error_cause(int *rc) | |
2122 | { | |
2123 | switch (*rc) { | |
2124 | case QETH_IPA_ARP_RC_FAILED: | |
2125 | *rc = -EIO; | |
2126 | return "operation failed"; | |
2127 | case QETH_IPA_ARP_RC_NOTSUPP: | |
2128 | *rc = -EOPNOTSUPP; | |
2129 | return "operation not supported"; | |
2130 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
2131 | *rc = -EINVAL; | |
2132 | return "argument out of range"; | |
2133 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
2134 | *rc = -EOPNOTSUPP; | |
2135 | return "query operation not supported"; | |
2136 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
2137 | *rc = -ENOENT; | |
2138 | return "no query data available"; | |
2139 | default: | |
2140 | return "unknown error"; | |
2141 | } | |
2142 | } | |
2143 | ||
2144 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
2145 | { | |
2146 | int tmp; | |
2147 | int rc; | |
2148 | ||
847a50fd | 2149 | QETH_CARD_TEXT(card, 3, "arpstnoe"); |
4a71df50 FB |
2150 | |
2151 | /* | |
2152 | * currently GuestLAN only supports the ARP assist function | |
2153 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
2154 | * thus we say EOPNOTSUPP for this ARP function | |
2155 | */ | |
2156 | if (card->info.guestlan) | |
2157 | return -EOPNOTSUPP; | |
2158 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2159 | return -EOPNOTSUPP; |
2160 | } | |
4d7def2a | 2161 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
4a71df50 FB |
2162 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, |
2163 | no_entries); | |
2164 | if (rc) { | |
2165 | tmp = rc; | |
14cc21b6 FB |
2166 | QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on " |
2167 | "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2168 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2169 | } | |
2170 | return rc; | |
2171 | } | |
2172 | ||
d0ddf30f EL |
2173 | static __u32 get_arp_entry_size(struct qeth_card *card, |
2174 | struct qeth_arp_query_data *qdata, | |
2175 | struct qeth_arp_entrytype *type, __u8 strip_entries) | |
4a71df50 | 2176 | { |
d0ddf30f EL |
2177 | __u32 rc; |
2178 | __u8 is_hsi; | |
4a71df50 | 2179 | |
d0ddf30f EL |
2180 | is_hsi = qdata->reply_bits == 5; |
2181 | if (type->ip == QETHARP_IP_ADDR_V4) { | |
2182 | QETH_CARD_TEXT(card, 4, "arpev4"); | |
2183 | if (strip_entries) { | |
2184 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : | |
2185 | sizeof(struct qeth_arp_qi_entry7_short); | |
2186 | } else { | |
2187 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : | |
2188 | sizeof(struct qeth_arp_qi_entry7); | |
2189 | } | |
2190 | } else if (type->ip == QETHARP_IP_ADDR_V6) { | |
2191 | QETH_CARD_TEXT(card, 4, "arpev6"); | |
2192 | if (strip_entries) { | |
2193 | rc = is_hsi ? | |
2194 | sizeof(struct qeth_arp_qi_entry5_short_ipv6) : | |
2195 | sizeof(struct qeth_arp_qi_entry7_short_ipv6); | |
2196 | } else { | |
2197 | rc = is_hsi ? | |
2198 | sizeof(struct qeth_arp_qi_entry5_ipv6) : | |
2199 | sizeof(struct qeth_arp_qi_entry7_ipv6); | |
2200 | } | |
2201 | } else { | |
2202 | QETH_CARD_TEXT(card, 4, "arpinv"); | |
2203 | rc = 0; | |
4a71df50 | 2204 | } |
d0ddf30f EL |
2205 | |
2206 | return rc; | |
2207 | } | |
2208 | ||
2209 | static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) | |
2210 | { | |
2211 | return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || | |
2212 | (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); | |
4a71df50 FB |
2213 | } |
2214 | ||
2215 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
2216 | struct qeth_reply *reply, unsigned long data) | |
2217 | { | |
2218 | struct qeth_ipa_cmd *cmd; | |
2219 | struct qeth_arp_query_data *qdata; | |
2220 | struct qeth_arp_query_info *qinfo; | |
4a71df50 | 2221 | int i; |
d0ddf30f EL |
2222 | int e; |
2223 | int entrybytes_done; | |
2224 | int stripped_bytes; | |
2225 | __u8 do_strip_entries; | |
4a71df50 | 2226 | |
d0ddf30f | 2227 | QETH_CARD_TEXT(card, 3, "arpquecb"); |
4a71df50 FB |
2228 | |
2229 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
2230 | cmd = (struct qeth_ipa_cmd *) data; | |
d0ddf30f | 2231 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); |
4a71df50 | 2232 | if (cmd->hdr.return_code) { |
d0ddf30f EL |
2233 | QETH_CARD_TEXT(card, 4, "arpcberr"); |
2234 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2235 | return 0; |
2236 | } | |
2237 | if (cmd->data.setassparms.hdr.return_code) { | |
2238 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d0ddf30f EL |
2239 | QETH_CARD_TEXT(card, 4, "setaperr"); |
2240 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2241 | return 0; |
2242 | } | |
2243 | qdata = &cmd->data.setassparms.data.query_arp; | |
847a50fd | 2244 | QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); |
4a71df50 | 2245 | |
d0ddf30f EL |
2246 | do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; |
2247 | stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; | |
2248 | entrybytes_done = 0; | |
2249 | for (e = 0; e < qdata->no_entries; ++e) { | |
2250 | char *cur_entry; | |
2251 | __u32 esize; | |
2252 | struct qeth_arp_entrytype *etype; | |
2253 | ||
2254 | cur_entry = &qdata->data + entrybytes_done; | |
2255 | etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; | |
2256 | if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { | |
2257 | QETH_CARD_TEXT(card, 4, "pmis"); | |
2258 | QETH_CARD_TEXT_(card, 4, "%i", etype->ip); | |
2259 | break; | |
2260 | } | |
2261 | esize = get_arp_entry_size(card, qdata, etype, | |
2262 | do_strip_entries); | |
2263 | QETH_CARD_TEXT_(card, 5, "esz%i", esize); | |
2264 | if (!esize) | |
2265 | break; | |
2266 | ||
2267 | if ((qinfo->udata_len - qinfo->udata_offset) < esize) { | |
2268 | QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); | |
e0a8114c | 2269 | cmd->hdr.return_code = IPA_RC_ENOMEM; |
d0ddf30f EL |
2270 | goto out_error; |
2271 | } | |
4a71df50 | 2272 | |
d0ddf30f EL |
2273 | memcpy(qinfo->udata + qinfo->udata_offset, |
2274 | &qdata->data + entrybytes_done + stripped_bytes, | |
2275 | esize); | |
2276 | entrybytes_done += esize + stripped_bytes; | |
2277 | qinfo->udata_offset += esize; | |
2278 | ++qinfo->no_entries; | |
2279 | } | |
4a71df50 FB |
2280 | /* check if all replies received ... */ |
2281 | if (cmd->data.setassparms.hdr.seq_no < | |
2282 | cmd->data.setassparms.hdr.number_of_replies) | |
2283 | return 1; | |
d0ddf30f | 2284 | QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); |
4a71df50 FB |
2285 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
2286 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
2287 | * stripped entries from normal ones */ | |
2288 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2289 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
2290 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
d0ddf30f | 2291 | QETH_CARD_TEXT_(card, 4, "rc%i", 0); |
4a71df50 FB |
2292 | return 0; |
2293 | out_error: | |
2294 | i = 0; | |
2295 | memcpy(qinfo->udata, &i, 4); | |
2296 | return 0; | |
2297 | } | |
2298 | ||
2299 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, | |
2300 | struct qeth_cmd_buffer *iob, int len, | |
2301 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
2302 | unsigned long), | |
2303 | void *reply_param) | |
2304 | { | |
847a50fd | 2305 | QETH_CARD_TEXT(card, 4, "sendarp"); |
4a71df50 FB |
2306 | |
2307 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2308 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2309 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2310 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
2311 | reply_cb, reply_param); | |
2312 | } | |
2313 | ||
d0ddf30f EL |
2314 | static int qeth_l3_query_arp_cache_info(struct qeth_card *card, |
2315 | enum qeth_prot_versions prot, | |
2316 | struct qeth_arp_query_info *qinfo) | |
4a71df50 FB |
2317 | { |
2318 | struct qeth_cmd_buffer *iob; | |
d0ddf30f | 2319 | struct qeth_ipa_cmd *cmd; |
4a71df50 FB |
2320 | int tmp; |
2321 | int rc; | |
2322 | ||
d0ddf30f EL |
2323 | QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); |
2324 | ||
b475e316 TR |
2325 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
2326 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
2327 | sizeof(struct qeth_arp_query_data) | |
2328 | - sizeof(char), | |
2329 | prot); | |
1aec42bc TR |
2330 | if (!iob) |
2331 | return -ENOMEM; | |
d0ddf30f EL |
2332 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
2333 | cmd->data.setassparms.data.query_arp.request_bits = 0x000F; | |
2334 | cmd->data.setassparms.data.query_arp.reply_bits = 0; | |
2335 | cmd->data.setassparms.data.query_arp.no_entries = 0; | |
2336 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, | |
2337 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
2338 | qeth_l3_arp_query_cb, (void *)qinfo); | |
2339 | if (rc) { | |
2340 | tmp = rc; | |
2341 | QETH_DBF_MESSAGE(2, | |
2342 | "Error while querying ARP cache on %s: %s " | |
2343 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2344 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2345 | } | |
2346 | ||
2347 | return rc; | |
2348 | } | |
2349 | ||
2350 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
2351 | { | |
2352 | struct qeth_arp_query_info qinfo = {0, }; | |
2353 | int rc; | |
2354 | ||
847a50fd | 2355 | QETH_CARD_TEXT(card, 3, "arpquery"); |
4a71df50 FB |
2356 | |
2357 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
2358 | IPA_ARP_PROCESSING)) { | |
d0ddf30f EL |
2359 | QETH_CARD_TEXT(card, 3, "arpqnsup"); |
2360 | rc = -EOPNOTSUPP; | |
2361 | goto out; | |
4a71df50 FB |
2362 | } |
2363 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
d0ddf30f EL |
2364 | if (copy_from_user(&qinfo, udata, 6)) { |
2365 | rc = -EFAULT; | |
2366 | goto out; | |
2367 | } | |
4a71df50 | 2368 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
d0ddf30f EL |
2369 | if (!qinfo.udata) { |
2370 | rc = -ENOMEM; | |
2371 | goto out; | |
2372 | } | |
4a71df50 | 2373 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
d0ddf30f | 2374 | rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); |
4a71df50 | 2375 | if (rc) { |
4a71df50 FB |
2376 | if (copy_to_user(udata, qinfo.udata, 4)) |
2377 | rc = -EFAULT; | |
d0ddf30f | 2378 | goto free_and_out; |
4a71df50 | 2379 | } else { |
d0ddf30f EL |
2380 | #ifdef CONFIG_QETH_IPV6 |
2381 | if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { | |
2382 | /* fails in case of GuestLAN QDIO mode */ | |
2383 | qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, | |
2384 | &qinfo); | |
2385 | } | |
2386 | #endif | |
2387 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { | |
2388 | QETH_CARD_TEXT(card, 4, "qactf"); | |
4a71df50 | 2389 | rc = -EFAULT; |
d0ddf30f EL |
2390 | goto free_and_out; |
2391 | } | |
8a593148 | 2392 | QETH_CARD_TEXT(card, 4, "qacts"); |
4a71df50 | 2393 | } |
d0ddf30f | 2394 | free_and_out: |
4a71df50 | 2395 | kfree(qinfo.udata); |
d0ddf30f | 2396 | out: |
4a71df50 FB |
2397 | return rc; |
2398 | } | |
2399 | ||
2400 | static int qeth_l3_arp_add_entry(struct qeth_card *card, | |
2401 | struct qeth_arp_cache_entry *entry) | |
2402 | { | |
2403 | struct qeth_cmd_buffer *iob; | |
2404 | char buf[16]; | |
2405 | int tmp; | |
2406 | int rc; | |
2407 | ||
847a50fd | 2408 | QETH_CARD_TEXT(card, 3, "arpadent"); |
4a71df50 FB |
2409 | |
2410 | /* | |
2411 | * currently GuestLAN only supports the ARP assist function | |
2412 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
2413 | * thus we say EOPNOTSUPP for this ARP function | |
2414 | */ | |
2415 | if (card->info.guestlan) | |
2416 | return -EOPNOTSUPP; | |
2417 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2418 | return -EOPNOTSUPP; |
2419 | } | |
2420 | ||
b475e316 | 2421 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
4a71df50 FB |
2422 | IPA_CMD_ASS_ARP_ADD_ENTRY, |
2423 | sizeof(struct qeth_arp_cache_entry), | |
2424 | QETH_PROT_IPV4); | |
1aec42bc TR |
2425 | if (!iob) |
2426 | return -ENOMEM; | |
4d7def2a | 2427 | rc = qeth_send_setassparms(card, iob, |
4a71df50 FB |
2428 | sizeof(struct qeth_arp_cache_entry), |
2429 | (unsigned long) entry, | |
2430 | qeth_l3_default_setassparms_cb, NULL); | |
2431 | if (rc) { | |
2432 | tmp = rc; | |
2433 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2434 | QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s " |
2435 | "on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2436 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2437 | } |
2438 | return rc; | |
2439 | } | |
2440 | ||
2441 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, | |
2442 | struct qeth_arp_cache_entry *entry) | |
2443 | { | |
2444 | struct qeth_cmd_buffer *iob; | |
2445 | char buf[16] = {0, }; | |
2446 | int tmp; | |
2447 | int rc; | |
2448 | ||
847a50fd | 2449 | QETH_CARD_TEXT(card, 3, "arprment"); |
4a71df50 FB |
2450 | |
2451 | /* | |
2452 | * currently GuestLAN only supports the ARP assist function | |
2453 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
2454 | * thus we say EOPNOTSUPP for this ARP function | |
2455 | */ | |
2456 | if (card->info.guestlan) | |
2457 | return -EOPNOTSUPP; | |
2458 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2459 | return -EOPNOTSUPP; |
2460 | } | |
2461 | memcpy(buf, entry, 12); | |
b475e316 | 2462 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
4a71df50 FB |
2463 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, |
2464 | 12, | |
2465 | QETH_PROT_IPV4); | |
1aec42bc TR |
2466 | if (!iob) |
2467 | return -ENOMEM; | |
4d7def2a | 2468 | rc = qeth_send_setassparms(card, iob, |
4a71df50 FB |
2469 | 12, (unsigned long)buf, |
2470 | qeth_l3_default_setassparms_cb, NULL); | |
2471 | if (rc) { | |
2472 | tmp = rc; | |
2473 | memset(buf, 0, 16); | |
2474 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2475 | QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s" |
2476 | " on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2477 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2478 | } |
2479 | return rc; | |
2480 | } | |
2481 | ||
2482 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
2483 | { | |
2484 | int rc; | |
2485 | int tmp; | |
2486 | ||
847a50fd | 2487 | QETH_CARD_TEXT(card, 3, "arpflush"); |
4a71df50 FB |
2488 | |
2489 | /* | |
2490 | * currently GuestLAN only supports the ARP assist function | |
2491 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
2492 | * thus we say EOPNOTSUPP for this ARP function | |
2493 | */ | |
2494 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) | |
2495 | return -EOPNOTSUPP; | |
2496 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2497 | return -EOPNOTSUPP; |
2498 | } | |
4d7def2a | 2499 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
4a71df50 FB |
2500 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); |
2501 | if (rc) { | |
2502 | tmp = rc; | |
14cc21b6 FB |
2503 | QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s " |
2504 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2505 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2506 | } | |
2507 | return rc; | |
2508 | } | |
2509 | ||
2510 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2511 | { | |
509e2562 | 2512 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2513 | struct qeth_arp_cache_entry arp_entry; |
2514 | struct mii_ioctl_data *mii_data; | |
2515 | int rc = 0; | |
2516 | ||
2517 | if (!card) | |
2518 | return -ENODEV; | |
2519 | ||
c3521254 | 2520 | if (!qeth_card_hw_is_reachable(card)) |
4a71df50 FB |
2521 | return -ENODEV; |
2522 | ||
2523 | switch (cmd) { | |
2524 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
2525 | if (!capable(CAP_NET_ADMIN)) { | |
2526 | rc = -EPERM; | |
2527 | break; | |
2528 | } | |
2529 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
2530 | break; | |
2531 | case SIOC_QETH_ARP_QUERY_INFO: | |
2532 | if (!capable(CAP_NET_ADMIN)) { | |
2533 | rc = -EPERM; | |
2534 | break; | |
2535 | } | |
2536 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); | |
2537 | break; | |
2538 | case SIOC_QETH_ARP_ADD_ENTRY: | |
2539 | if (!capable(CAP_NET_ADMIN)) { | |
2540 | rc = -EPERM; | |
2541 | break; | |
2542 | } | |
2543 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2544 | sizeof(struct qeth_arp_cache_entry))) | |
2545 | rc = -EFAULT; | |
2546 | else | |
2547 | rc = qeth_l3_arp_add_entry(card, &arp_entry); | |
2548 | break; | |
2549 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
2550 | if (!capable(CAP_NET_ADMIN)) { | |
2551 | rc = -EPERM; | |
2552 | break; | |
2553 | } | |
2554 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2555 | sizeof(struct qeth_arp_cache_entry))) | |
2556 | rc = -EFAULT; | |
2557 | else | |
2558 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); | |
2559 | break; | |
2560 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
2561 | if (!capable(CAP_NET_ADMIN)) { | |
2562 | rc = -EPERM; | |
2563 | break; | |
2564 | } | |
2565 | rc = qeth_l3_arp_flush_cache(card); | |
2566 | break; | |
2567 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
2568 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
2569 | break; | |
2570 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
2571 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
2572 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
2573 | !card->info.guestlan) |
2574 | return 1; | |
2575 | return 0; | |
2576 | break; | |
2577 | case SIOCGMIIPHY: | |
2578 | mii_data = if_mii(rq); | |
2579 | mii_data->phy_id = 0; | |
2580 | break; | |
2581 | case SIOCGMIIREG: | |
2582 | mii_data = if_mii(rq); | |
2583 | if (mii_data->phy_id != 0) | |
2584 | rc = -EINVAL; | |
2585 | else | |
2586 | mii_data->val_out = qeth_mdio_read(dev, | |
2587 | mii_data->phy_id, | |
2588 | mii_data->reg_num); | |
2589 | break; | |
c3ab96f3 FB |
2590 | case SIOC_QETH_QUERY_OAT: |
2591 | rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); | |
2592 | break; | |
4a71df50 FB |
2593 | default: |
2594 | rc = -EOPNOTSUPP; | |
2595 | } | |
2596 | if (rc) | |
847a50fd | 2597 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
2598 | return rc; |
2599 | } | |
2600 | ||
ce73e10e KDW |
2601 | int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) |
2602 | { | |
2603 | int cast_type = RTN_UNSPEC; | |
69cce1d1 DM |
2604 | struct neighbour *n = NULL; |
2605 | struct dst_entry *dst; | |
2606 | ||
1d36cb47 | 2607 | rcu_read_lock(); |
69cce1d1 DM |
2608 | dst = skb_dst(skb); |
2609 | if (dst) | |
24db1ba8 | 2610 | n = dst_neigh_lookup_skb(dst, skb); |
69cce1d1 DM |
2611 | if (n) { |
2612 | cast_type = n->type; | |
1d36cb47 | 2613 | rcu_read_unlock(); |
24db1ba8 | 2614 | neigh_release(n); |
ce73e10e KDW |
2615 | if ((cast_type == RTN_BROADCAST) || |
2616 | (cast_type == RTN_MULTICAST) || | |
2617 | (cast_type == RTN_ANYCAST)) | |
2618 | return cast_type; | |
2619 | else | |
2620 | return RTN_UNSPEC; | |
2621 | } | |
1d36cb47 FB |
2622 | rcu_read_unlock(); |
2623 | ||
ce73e10e KDW |
2624 | /* try something else */ |
2625 | if (skb->protocol == ETH_P_IPV6) | |
2626 | return (skb_network_header(skb)[24] == 0xff) ? | |
2627 | RTN_MULTICAST : 0; | |
2628 | else if (skb->protocol == ETH_P_IP) | |
2629 | return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? | |
2630 | RTN_MULTICAST : 0; | |
2631 | /* ... */ | |
2632 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
2633 | return RTN_BROADCAST; | |
2634 | else { | |
2635 | u16 hdr_mac; | |
2636 | ||
2637 | hdr_mac = *((u16 *)skb->data); | |
2638 | /* tr multicast? */ | |
2639 | switch (card->info.link_type) { | |
2640 | case QETH_LINK_TYPE_HSTR: | |
2641 | case QETH_LINK_TYPE_LANE_TR: | |
2642 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
2643 | (hdr_mac == QETH_TR_MAC_C)) | |
2644 | return RTN_MULTICAST; | |
2645 | break; | |
2646 | /* eth or so multicast? */ | |
2647 | default: | |
2648 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
2649 | (hdr_mac == QETH_ETH_MAC_V6)) | |
2650 | return RTN_MULTICAST; | |
2651 | } | |
2652 | } | |
2653 | return cast_type; | |
2654 | } | |
2655 | ||
b3332930 FB |
2656 | static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, |
2657 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2658 | { | |
2659 | char daddr[16]; | |
2660 | struct af_iucv_trans_hdr *iucv_hdr; | |
2661 | ||
2662 | skb_pull(skb, 14); | |
2663 | card->dev->header_ops->create(skb, card->dev, 0, | |
2664 | card->dev->dev_addr, card->dev->dev_addr, | |
2665 | card->dev->addr_len); | |
2666 | skb_pull(skb, 14); | |
2667 | iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; | |
2668 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
2669 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2670 | hdr->hdr.l3.ext_flags = 0; | |
2671 | hdr->hdr.l3.length = skb->len; | |
2672 | hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; | |
2673 | memset(daddr, 0, sizeof(daddr)); | |
2674 | daddr[0] = 0xfe; | |
2675 | daddr[1] = 0x80; | |
2676 | memcpy(&daddr[8], iucv_hdr->destUserID, 8); | |
2677 | memcpy(hdr->hdr.l3.dest_addr, daddr, 16); | |
2678 | } | |
2679 | ||
4a71df50 FB |
2680 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
2681 | struct sk_buff *skb, int ipv, int cast_type) | |
2682 | { | |
69cce1d1 DM |
2683 | struct dst_entry *dst; |
2684 | ||
4a71df50 FB |
2685 | memset(hdr, 0, sizeof(struct qeth_hdr)); |
2686 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2687 | hdr->hdr.l3.ext_flags = 0; | |
2688 | ||
2689 | /* | |
2690 | * before we're going to overwrite this location with next hop ip. | |
2691 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
2692 | */ | |
df8a39de | 2693 | if (skb_vlan_tag_present(skb)) { |
213298f8 FB |
2694 | if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD)) |
2695 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME; | |
2696 | else | |
2697 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
df8a39de | 2698 | hdr->hdr.l3.vlan_id = skb_vlan_tag_get(skb); |
4a71df50 FB |
2699 | } |
2700 | ||
2701 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
1d36cb47 FB |
2702 | |
2703 | rcu_read_lock(); | |
69cce1d1 | 2704 | dst = skb_dst(skb); |
4a71df50 | 2705 | if (ipv == 4) { |
87e7597b DM |
2706 | struct rtable *rt = (struct rtable *) dst; |
2707 | __be32 *pkey = &ip_hdr(skb)->daddr; | |
2708 | ||
2709 | if (rt->rt_gateway) | |
2710 | pkey = &rt->rt_gateway; | |
2711 | ||
4a71df50 FB |
2712 | /* IPv4 */ |
2713 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); | |
2714 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
87e7597b | 2715 | *((__be32 *) (&hdr->hdr.l3.dest_addr[12])) = *pkey; |
4a71df50 | 2716 | } else if (ipv == 6) { |
87e7597b DM |
2717 | struct rt6_info *rt = (struct rt6_info *) dst; |
2718 | struct in6_addr *pkey = &ipv6_hdr(skb)->daddr; | |
2719 | ||
2720 | if (!ipv6_addr_any(&rt->rt6i_gateway)) | |
2721 | pkey = &rt->rt6i_gateway; | |
2722 | ||
4a71df50 FB |
2723 | /* IPv6 */ |
2724 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); | |
2725 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2726 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; | |
87e7597b | 2727 | memcpy(hdr->hdr.l3.dest_addr, pkey, 16); |
4a71df50 | 2728 | } else { |
1abd2296 | 2729 | if (!memcmp(skb->data + sizeof(struct qeth_hdr), |
4a71df50 FB |
2730 | skb->dev->broadcast, 6)) { |
2731 | /* broadcast? */ | |
2732 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2733 | QETH_HDR_PASSTHRU; | |
2734 | } else { | |
2735 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
2736 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
2737 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
2738 | } | |
2739 | } | |
1d36cb47 | 2740 | rcu_read_unlock(); |
4a71df50 FB |
2741 | } |
2742 | ||
f6b85b6c FB |
2743 | static inline void qeth_l3_hdr_csum(struct qeth_card *card, |
2744 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2745 | { | |
2746 | struct iphdr *iph = ip_hdr(skb); | |
2747 | ||
2748 | /* tcph->check contains already the pseudo hdr checksum | |
2749 | * so just set the header flags | |
2750 | */ | |
2751 | if (iph->protocol == IPPROTO_UDP) | |
2752 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP; | |
16c0f936 FB |
2753 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ | |
2754 | QETH_HDR_EXT_CSUM_HDR_REQ; | |
2755 | iph->check = 0; | |
f6b85b6c FB |
2756 | if (card->options.performance_stats) |
2757 | card->perf_stats.tx_csum++; | |
2758 | } | |
2759 | ||
64ef8957 FB |
2760 | static void qeth_tso_fill_header(struct qeth_card *card, |
2761 | struct qeth_hdr *qhdr, struct sk_buff *skb) | |
2762 | { | |
2763 | struct qeth_hdr_tso *hdr = (struct qeth_hdr_tso *)qhdr; | |
2764 | struct tcphdr *tcph = tcp_hdr(skb); | |
2765 | struct iphdr *iph = ip_hdr(skb); | |
2766 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
2767 | ||
2768 | /*fix header to TSO values ...*/ | |
2769 | hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; | |
8fa9208e | 2770 | hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso); |
64ef8957 FB |
2771 | /*set values which are fix for the first approach ...*/ |
2772 | hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); | |
2773 | hdr->ext.imb_hdr_no = 1; | |
2774 | hdr->ext.hdr_type = 1; | |
2775 | hdr->ext.hdr_version = 1; | |
2776 | hdr->ext.hdr_len = 28; | |
2777 | /*insert non-fix values */ | |
2778 | hdr->ext.mss = skb_shinfo(skb)->gso_size; | |
2779 | hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); | |
2780 | hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - | |
2781 | sizeof(struct qeth_hdr_tso)); | |
2782 | tcph->check = 0; | |
2783 | if (skb->protocol == ETH_P_IPV6) { | |
2784 | ip6h->payload_len = 0; | |
2785 | tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, | |
2786 | 0, IPPROTO_TCP, 0); | |
2787 | } else { | |
2788 | /*OSA want us to set these values ...*/ | |
2789 | tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, | |
2790 | 0, IPPROTO_TCP, 0); | |
2791 | iph->tot_len = 0; | |
2792 | iph->check = 0; | |
2793 | } | |
2794 | } | |
2795 | ||
c3b4a740 FB |
2796 | static inline int qeth_l3_tso_elements(struct sk_buff *skb) |
2797 | { | |
2798 | unsigned long tcpd = (unsigned long)tcp_hdr(skb) + | |
2799 | tcp_hdr(skb)->doff * 4; | |
57777735 | 2800 | int tcpd_len = skb_headlen(skb) - (tcpd - (unsigned long)skb->data); |
51aa165c | 2801 | int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd); |
271648b4 FB |
2802 | |
2803 | elements += qeth_get_elements_for_frags(skb); | |
2804 | ||
c3b4a740 FB |
2805 | return elements; |
2806 | } | |
2807 | ||
4a71df50 FB |
2808 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
2809 | { | |
2810 | int rc; | |
2811 | u16 *tag; | |
2812 | struct qeth_hdr *hdr = NULL; | |
2813 | int elements_needed = 0; | |
64ef8957 | 2814 | int elems; |
509e2562 | 2815 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2816 | struct sk_buff *new_skb = NULL; |
2817 | int ipv = qeth_get_ip_version(skb); | |
ce73e10e | 2818 | int cast_type = qeth_l3_get_cast_type(card, skb); |
290b8348 SR |
2819 | struct qeth_qdio_out_q *queue = |
2820 | card->qdio.out_qs[card->qdio.do_prio_queueing | |
2821 | || (cast_type && card->info.is_multicast_different) ? | |
2822 | qeth_get_priority_queue(card, skb, ipv, cast_type) : | |
2823 | card->qdio.default_out_queue]; | |
4a71df50 | 2824 | int tx_bytes = skb->len; |
6204b47e | 2825 | bool large_send; |
683d718a | 2826 | int data_offset = -1; |
64ef8957 | 2827 | int nr_frags; |
4a71df50 | 2828 | |
b3332930 FB |
2829 | if (((card->info.type == QETH_CARD_TYPE_IQD) && |
2830 | (((card->options.cq != QETH_CQ_ENABLED) && !ipv) || | |
2831 | ((card->options.cq == QETH_CQ_ENABLED) && | |
2832 | (skb->protocol != ETH_P_AF_IUCV)))) || | |
2833 | card->options.sniffer) | |
4a71df50 FB |
2834 | goto tx_drop; |
2835 | ||
2836 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
2837 | card->stats.tx_carrier_errors++; | |
2838 | goto tx_drop; | |
2839 | } | |
2840 | ||
2841 | if ((cast_type == RTN_BROADCAST) && | |
2842 | (card->info.broadcast_capable == 0)) | |
2843 | goto tx_drop; | |
2844 | ||
2845 | if (card->options.performance_stats) { | |
2846 | card->perf_stats.outbound_cnt++; | |
2847 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
2848 | } | |
2849 | ||
6204b47e | 2850 | large_send = skb_is_gso(skb); |
683d718a FB |
2851 | |
2852 | if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) && | |
2853 | (skb_shinfo(skb)->nr_frags == 0)) { | |
2854 | new_skb = skb; | |
b3332930 FB |
2855 | if (new_skb->protocol == ETH_P_AF_IUCV) |
2856 | data_offset = 0; | |
2857 | else | |
2858 | data_offset = ETH_HLEN; | |
683d718a FB |
2859 | hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); |
2860 | if (!hdr) | |
2861 | goto tx_drop; | |
2862 | elements_needed++; | |
2863 | } else { | |
2864 | /* create a clone with writeable headroom */ | |
2865 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) | |
2866 | + VLAN_HLEN); | |
2867 | if (!new_skb) | |
2868 | goto tx_drop; | |
2869 | } | |
4a71df50 FB |
2870 | |
2871 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
683d718a FB |
2872 | if (data_offset < 0) |
2873 | skb_pull(new_skb, ETH_HLEN); | |
4a71df50 | 2874 | } else { |
21fde749 | 2875 | if (ipv == 4) { |
1abd2296 | 2876 | skb_pull(new_skb, ETH_HLEN); |
4a71df50 FB |
2877 | } |
2878 | ||
df8a39de | 2879 | if (ipv != 4 && skb_vlan_tag_present(new_skb)) { |
4a71df50 FB |
2880 | skb_push(new_skb, VLAN_HLEN); |
2881 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); | |
2882 | skb_copy_to_linear_data_offset(new_skb, 4, | |
2883 | new_skb->data + 8, 4); | |
2884 | skb_copy_to_linear_data_offset(new_skb, 8, | |
2885 | new_skb->data + 12, 4); | |
2886 | tag = (u16 *)(new_skb->data + 12); | |
2887 | *tag = __constant_htons(ETH_P_8021Q); | |
df8a39de | 2888 | *(tag + 1) = htons(skb_vlan_tag_get(new_skb)); |
4a71df50 FB |
2889 | } |
2890 | } | |
2891 | ||
2892 | netif_stop_queue(dev); | |
2893 | ||
4a71df50 | 2894 | /* fix hardware limitation: as long as we do not have sbal |
64ef8957 | 2895 | * chaining we can not send long frag lists |
4a71df50 | 2896 | */ |
6204b47e | 2897 | if (large_send) { |
c3b4a740 FB |
2898 | if (qeth_l3_tso_elements(new_skb) + 1 > 16) { |
2899 | if (skb_linearize(new_skb)) | |
2900 | goto tx_drop; | |
2901 | if (card->options.performance_stats) | |
2902 | card->perf_stats.tx_lin++; | |
2903 | } | |
64ef8957 | 2904 | } |
4a71df50 | 2905 | |
6204b47e | 2906 | if (large_send && (cast_type == RTN_UNSPEC)) { |
4a71df50 FB |
2907 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
2908 | sizeof(struct qeth_hdr_tso)); | |
2909 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | |
2910 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
2911 | qeth_tso_fill_header(card, hdr, new_skb); | |
2912 | elements_needed++; | |
2913 | } else { | |
683d718a FB |
2914 | if (data_offset < 0) { |
2915 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
4a71df50 | 2916 | sizeof(struct qeth_hdr)); |
683d718a FB |
2917 | qeth_l3_fill_header(card, hdr, new_skb, ipv, |
2918 | cast_type); | |
2919 | } else { | |
b3332930 FB |
2920 | if (new_skb->protocol == ETH_P_AF_IUCV) |
2921 | qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb); | |
2922 | else { | |
2923 | qeth_l3_fill_header(card, hdr, new_skb, ipv, | |
2924 | cast_type); | |
2925 | hdr->hdr.l3.length = new_skb->len - data_offset; | |
2926 | } | |
683d718a | 2927 | } |
f6b85b6c FB |
2928 | |
2929 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
2930 | qeth_l3_hdr_csum(card, hdr, new_skb); | |
4a71df50 FB |
2931 | } |
2932 | ||
065cc782 | 2933 | elems = qeth_get_elements_no(card, new_skb, elements_needed); |
64ef8957 FB |
2934 | if (!elems) { |
2935 | if (data_offset >= 0) | |
2936 | kmem_cache_free(qeth_core_header_cache, hdr); | |
2937 | goto tx_drop; | |
f61a0d05 | 2938 | } |
64ef8957 FB |
2939 | elements_needed += elems; |
2940 | nr_frags = skb_shinfo(new_skb)->nr_frags; | |
4a71df50 | 2941 | |
51aa165c FB |
2942 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
2943 | int len; | |
6204b47e | 2944 | if (large_send) |
51aa165c FB |
2945 | len = ((unsigned long)tcp_hdr(new_skb) + |
2946 | tcp_hdr(new_skb)->doff * 4) - | |
2947 | (unsigned long)new_skb->data; | |
2948 | else | |
2949 | len = sizeof(struct qeth_hdr_layer3); | |
2950 | ||
d4ae1f5e | 2951 | if (qeth_hdr_chk_and_bounce(new_skb, &hdr, len)) |
51aa165c | 2952 | goto tx_drop; |
4a71df50 | 2953 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
64ef8957 | 2954 | elements_needed); |
51aa165c | 2955 | } else |
4a71df50 | 2956 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
64ef8957 | 2957 | elements_needed, data_offset, 0); |
4a71df50 FB |
2958 | |
2959 | if (!rc) { | |
2960 | card->stats.tx_packets++; | |
2961 | card->stats.tx_bytes += tx_bytes; | |
2962 | if (new_skb != skb) | |
2963 | dev_kfree_skb_any(skb); | |
2964 | if (card->options.performance_stats) { | |
6204b47e | 2965 | if (large_send) { |
4a71df50 FB |
2966 | card->perf_stats.large_send_bytes += tx_bytes; |
2967 | card->perf_stats.large_send_cnt++; | |
2968 | } | |
64ef8957 | 2969 | if (nr_frags) { |
4a71df50 FB |
2970 | card->perf_stats.sg_skbs_sent++; |
2971 | /* nr_frags + skb->data */ | |
64ef8957 | 2972 | card->perf_stats.sg_frags_sent += nr_frags + 1; |
4a71df50 FB |
2973 | } |
2974 | } | |
ec634fe3 | 2975 | rc = NETDEV_TX_OK; |
4a71df50 | 2976 | } else { |
683d718a FB |
2977 | if (data_offset >= 0) |
2978 | kmem_cache_free(qeth_core_header_cache, hdr); | |
2979 | ||
4a71df50 FB |
2980 | if (rc == -EBUSY) { |
2981 | if (new_skb != skb) | |
2982 | dev_kfree_skb_any(new_skb); | |
2983 | return NETDEV_TX_BUSY; | |
2984 | } else | |
2985 | goto tx_drop; | |
2986 | } | |
2987 | ||
2988 | netif_wake_queue(dev); | |
2989 | if (card->options.performance_stats) | |
2990 | card->perf_stats.outbound_time += qeth_get_micros() - | |
2991 | card->perf_stats.outbound_start_time; | |
2992 | return rc; | |
2993 | ||
2994 | tx_drop: | |
2995 | card->stats.tx_dropped++; | |
2996 | card->stats.tx_errors++; | |
2997 | if ((new_skb != skb) && new_skb) | |
2998 | dev_kfree_skb_any(new_skb); | |
2999 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 3000 | netif_wake_queue(dev); |
4a71df50 FB |
3001 | return NETDEV_TX_OK; |
3002 | } | |
3003 | ||
39423440 | 3004 | static int __qeth_l3_open(struct net_device *dev) |
4a71df50 | 3005 | { |
509e2562 | 3006 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 3007 | int rc = 0; |
4a71df50 | 3008 | |
847a50fd | 3009 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
3010 | if (card->state == CARD_STATE_UP) |
3011 | return rc; | |
4a71df50 FB |
3012 | if (card->state != CARD_STATE_SOFTSETUP) |
3013 | return -ENODEV; | |
3014 | card->data.state = CH_STATE_UP; | |
3015 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
3016 | netif_start_queue(dev); |
3017 | ||
a1c3ed4c FB |
3018 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
3019 | napi_enable(&card->napi); | |
3020 | napi_schedule(&card->napi); | |
3021 | } else | |
3022 | rc = -EIO; | |
3023 | return rc; | |
4a71df50 FB |
3024 | } |
3025 | ||
39423440 UB |
3026 | static int qeth_l3_open(struct net_device *dev) |
3027 | { | |
3028 | struct qeth_card *card = dev->ml_priv; | |
3029 | ||
3030 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
3031 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
3032 | QETH_CARD_TEXT(card, 3, "openREC"); | |
3033 | return -ERESTARTSYS; | |
3034 | } | |
3035 | return __qeth_l3_open(dev); | |
3036 | } | |
3037 | ||
4a71df50 FB |
3038 | static int qeth_l3_stop(struct net_device *dev) |
3039 | { | |
509e2562 | 3040 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3041 | |
847a50fd | 3042 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 3043 | netif_tx_disable(dev); |
a1c3ed4c | 3044 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 3045 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
3046 | napi_disable(&card->napi); |
3047 | } | |
4a71df50 FB |
3048 | return 0; |
3049 | } | |
3050 | ||
c8f44aff MM |
3051 | static netdev_features_t qeth_l3_fix_features(struct net_device *dev, |
3052 | netdev_features_t features) | |
4a71df50 | 3053 | { |
509e2562 | 3054 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3055 | |
6204b47e MM |
3056 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) |
3057 | features &= ~NETIF_F_IP_CSUM; | |
3058 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) | |
3059 | features &= ~NETIF_F_TSO; | |
3060 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) | |
3061 | features &= ~NETIF_F_RXCSUM; | |
6204b47e | 3062 | return features; |
4a71df50 FB |
3063 | } |
3064 | ||
c8f44aff MM |
3065 | static int qeth_l3_set_features(struct net_device *dev, |
3066 | netdev_features_t features) | |
4a71df50 | 3067 | { |
6204b47e | 3068 | struct qeth_card *card = dev->ml_priv; |
c7258d86 | 3069 | netdev_features_t changed = dev->features ^ features; |
4a71df50 | 3070 | |
6204b47e MM |
3071 | if (!(changed & NETIF_F_RXCSUM)) |
3072 | return 0; | |
3073 | ||
60a34277 FB |
3074 | if (card->state == CARD_STATE_DOWN || |
3075 | card->state == CARD_STATE_RECOVER) | |
3076 | return 0; | |
3077 | ||
4d7def2a | 3078 | return qeth_set_rx_csum(card, features & NETIF_F_RXCSUM ? 1 : 0); |
4a71df50 FB |
3079 | } |
3080 | ||
0fc0b732 | 3081 | static const struct ethtool_ops qeth_l3_ethtool_ops = { |
4a71df50 | 3082 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
3083 | .get_strings = qeth_core_get_strings, |
3084 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 3085 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 3086 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 3087 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
3088 | }; |
3089 | ||
3090 | /* | |
3091 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
3092 | * NOARP on the netdevice is no option because it also turns off neighbor | |
3093 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
3094 | * arp resolution but we want the hard header (packet socket will work | |
3095 | * e.g. tcpdump) | |
3096 | */ | |
3097 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
3098 | { | |
3099 | n->nud_state = NUD_NOARP; | |
3100 | memcpy(n->ha, "FAKELL", 6); | |
3101 | n->output = n->ops->connected_output; | |
3102 | return 0; | |
3103 | } | |
3104 | ||
3105 | static int | |
3106 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
3107 | { | |
3108 | if (np->tbl->family == AF_INET) | |
3109 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
3110 | ||
3111 | return 0; | |
3112 | } | |
3113 | ||
3d58cefd | 3114 | static const struct net_device_ops qeth_l3_netdev_ops = { |
8403b13c FB |
3115 | .ndo_open = qeth_l3_open, |
3116 | .ndo_stop = qeth_l3_stop, | |
3117 | .ndo_get_stats = qeth_get_stats, | |
3118 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3119 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3120 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3121 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3122 | .ndo_change_mtu = qeth_change_mtu, | |
3123 | .ndo_fix_features = qeth_l3_fix_features, | |
3124 | .ndo_set_features = qeth_l3_set_features, | |
8403b13c FB |
3125 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3126 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3127 | .ndo_tx_timeout = qeth_tx_timeout, |
8403b13c FB |
3128 | }; |
3129 | ||
3d58cefd FB |
3130 | static const struct net_device_ops qeth_l3_osa_netdev_ops = { |
3131 | .ndo_open = qeth_l3_open, | |
3132 | .ndo_stop = qeth_l3_stop, | |
3133 | .ndo_get_stats = qeth_get_stats, | |
3134 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3135 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3136 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3137 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3138 | .ndo_change_mtu = qeth_change_mtu, | |
3139 | .ndo_fix_features = qeth_l3_fix_features, | |
3140 | .ndo_set_features = qeth_l3_set_features, | |
3d58cefd FB |
3141 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3142 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3143 | .ndo_tx_timeout = qeth_tx_timeout, |
3d58cefd FB |
3144 | .ndo_neigh_setup = qeth_l3_neigh_setup, |
3145 | }; | |
3146 | ||
4a71df50 FB |
3147 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
3148 | { | |
1aec42bc TR |
3149 | int rc; |
3150 | ||
5113fec0 UB |
3151 | if (card->info.type == QETH_CARD_TYPE_OSD || |
3152 | card->info.type == QETH_CARD_TYPE_OSX) { | |
4a71df50 FB |
3153 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
3154 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { | |
1abd2296 PG |
3155 | pr_info("qeth_l3: ignoring TR device\n"); |
3156 | return -ENODEV; | |
4a71df50 FB |
3157 | } else { |
3158 | card->dev = alloc_etherdev(0); | |
3159 | if (!card->dev) | |
3160 | return -ENODEV; | |
3d58cefd | 3161 | card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; |
4a71df50 FB |
3162 | |
3163 | /*IPv6 address autoconfiguration stuff*/ | |
3164 | qeth_l3_get_unique_id(card); | |
3165 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
3166 | card->dev->dev_id = card->info.unique_id & | |
3167 | 0xffff; | |
c5e631a8 FB |
3168 | if (!card->info.guestlan) { |
3169 | card->dev->hw_features = NETIF_F_SG | | |
3170 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | | |
3171 | NETIF_F_TSO; | |
3172 | card->dev->features = NETIF_F_RXCSUM; | |
3173 | } | |
4a71df50 FB |
3174 | } |
3175 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { | |
c835a677 TG |
3176 | card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN, |
3177 | ether_setup); | |
4a71df50 FB |
3178 | if (!card->dev) |
3179 | return -ENODEV; | |
3180 | card->dev->flags |= IFF_NOARP; | |
3d58cefd | 3181 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
1aec42bc TR |
3182 | rc = qeth_l3_iqd_read_initial_mac(card); |
3183 | if (rc) | |
3184 | return rc; | |
b3332930 FB |
3185 | if (card->options.hsuid[0]) |
3186 | memcpy(card->dev->perm_addr, card->options.hsuid, 9); | |
4a71df50 FB |
3187 | } else |
3188 | return -ENODEV; | |
3189 | ||
509e2562 | 3190 | card->dev->ml_priv = card; |
4a71df50 | 3191 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
4a71df50 | 3192 | card->dev->mtu = card->info.initial_mtu; |
7ad24ea4 | 3193 | card->dev->ethtool_ops = &qeth_l3_ethtool_ops; |
f646968f PM |
3194 | card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | |
3195 | NETIF_F_HW_VLAN_CTAG_RX | | |
3196 | NETIF_F_HW_VLAN_CTAG_FILTER; | |
02875878 | 3197 | netif_keep_dst(card->dev); |
c3b4a740 | 3198 | card->dev->gso_max_size = 15 * PAGE_SIZE; |
4a71df50 FB |
3199 | |
3200 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 3201 | netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT); |
e5ebe632 | 3202 | netif_carrier_off(card->dev); |
4a71df50 FB |
3203 | return register_netdev(card->dev); |
3204 | } | |
3205 | ||
4a71df50 FB |
3206 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
3207 | { | |
3208 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3209 | ||
3210 | qeth_l3_create_device_attributes(&gdev->dev); | |
3211 | card->options.layer2 = 0; | |
1da74b1c | 3212 | card->info.hwtrap = 0; |
4a71df50 FB |
3213 | return 0; |
3214 | } | |
3215 | ||
3216 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
3217 | { | |
3218 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3219 | ||
9dc48ccc UB |
3220 | qeth_l3_remove_device_attributes(&cgdev->dev); |
3221 | ||
f2148565 | 3222 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
3223 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
3224 | ||
70919e23 | 3225 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 3226 | qeth_l3_set_offline(cgdev); |
4a71df50 FB |
3227 | |
3228 | if (card->dev) { | |
3229 | unregister_netdev(card->dev); | |
3230 | card->dev = NULL; | |
3231 | } | |
3232 | ||
70919e23 | 3233 | qeth_l3_clear_ip_list(card, 0); |
4a71df50 FB |
3234 | qeth_l3_clear_ipato_list(card); |
3235 | return; | |
3236 | } | |
3237 | ||
3238 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
3239 | { | |
3240 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3241 | int rc = 0; | |
3242 | enum qeth_card_states recover_flag; | |
3243 | ||
9dc48ccc | 3244 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3245 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3246 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
3247 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 3248 | |
4a71df50 | 3249 | recover_flag = card->state; |
4a71df50 FB |
3250 | rc = qeth_core_hardsetup_card(card); |
3251 | if (rc) { | |
1aec42bc | 3252 | QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); |
aa909224 | 3253 | rc = -ENODEV; |
4a71df50 FB |
3254 | goto out_remove; |
3255 | } | |
3256 | ||
aa909224 UB |
3257 | if (!card->dev && qeth_l3_setup_netdev(card)) { |
3258 | rc = -ENODEV; | |
4a71df50 | 3259 | goto out_remove; |
aa909224 | 3260 | } |
4a71df50 | 3261 | |
1da74b1c FB |
3262 | if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { |
3263 | if (card->info.hwtrap && | |
3264 | qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) | |
3265 | card->info.hwtrap = 0; | |
3266 | } else | |
3267 | card->info.hwtrap = 0; | |
3268 | ||
4a71df50 | 3269 | card->state = CARD_STATE_HARDSETUP; |
a1c3ed4c | 3270 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
3271 | qeth_print_status_message(card); |
3272 | ||
3273 | /* softsetup */ | |
d11ba0c4 | 3274 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
3275 | |
3276 | rc = qeth_send_startlan(card); | |
3277 | if (rc) { | |
d11ba0c4 | 3278 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 3279 | if (rc == 0xe080) { |
74eacdb9 FB |
3280 | dev_warn(&card->gdev->dev, |
3281 | "The LAN is offline\n"); | |
4a71df50 | 3282 | card->lan_online = 0; |
2b6203bb | 3283 | goto contin; |
4a71df50 | 3284 | } |
aa909224 | 3285 | rc = -ENODEV; |
f2148565 | 3286 | goto out_remove; |
4a71df50 FB |
3287 | } else |
3288 | card->lan_online = 1; | |
4a71df50 | 3289 | |
2b6203bb | 3290 | contin: |
4a71df50 FB |
3291 | rc = qeth_l3_setadapter_parms(card); |
3292 | if (rc) | |
1aec42bc | 3293 | QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); |
76b11f8e UB |
3294 | if (!card->options.sniffer) { |
3295 | rc = qeth_l3_start_ipassists(card); | |
0f54761d | 3296 | if (rc) { |
76b11f8e | 3297 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
0f54761d SR |
3298 | goto out_remove; |
3299 | } | |
76b11f8e UB |
3300 | rc = qeth_l3_setrouting_v4(card); |
3301 | if (rc) | |
1aec42bc | 3302 | QETH_DBF_TEXT_(SETUP, 2, "4err%04x", rc); |
76b11f8e UB |
3303 | rc = qeth_l3_setrouting_v6(card); |
3304 | if (rc) | |
1aec42bc | 3305 | QETH_DBF_TEXT_(SETUP, 2, "5err%04x", rc); |
76b11f8e | 3306 | } |
4a71df50 FB |
3307 | netif_tx_disable(card->dev); |
3308 | ||
3309 | rc = qeth_init_qdio_queues(card); | |
3310 | if (rc) { | |
d11ba0c4 | 3311 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 3312 | rc = -ENODEV; |
4a71df50 FB |
3313 | goto out_remove; |
3314 | } | |
3315 | card->state = CARD_STATE_SOFTSETUP; | |
4a71df50 FB |
3316 | |
3317 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
e8069040 | 3318 | qeth_l3_set_ip_addr_list(card); |
2b6203bb UB |
3319 | if (card->lan_online) |
3320 | netif_carrier_on(card->dev); | |
3321 | else | |
3322 | netif_carrier_off(card->dev); | |
8af7c5ae | 3323 | if (recover_flag == CARD_STATE_RECOVER) { |
4763b0a0 | 3324 | rtnl_lock(); |
8af7c5ae | 3325 | if (recovery_mode) |
39423440 | 3326 | __qeth_l3_open(card->dev); |
4763b0a0 | 3327 | else |
8af7c5ae | 3328 | dev_open(card->dev); |
8af7c5ae | 3329 | qeth_l3_set_multicast_list(card->dev); |
4763b0a0 | 3330 | rtnl_unlock(); |
4a71df50 | 3331 | } |
82f77cf9 | 3332 | qeth_trace_features(card); |
4a71df50 FB |
3333 | /* let user_space know that device is online */ |
3334 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3335 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3336 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3337 | return 0; |
3338 | out_remove: | |
4a71df50 FB |
3339 | qeth_l3_stop_card(card, 0); |
3340 | ccw_device_set_offline(CARD_DDEV(card)); | |
3341 | ccw_device_set_offline(CARD_WDEV(card)); | |
3342 | ccw_device_set_offline(CARD_RDEV(card)); | |
22ae2790 | 3343 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3344 | if (recover_flag == CARD_STATE_RECOVER) |
3345 | card->state = CARD_STATE_RECOVER; | |
3346 | else | |
3347 | card->state = CARD_STATE_DOWN; | |
c4949f07 | 3348 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3349 | mutex_unlock(&card->discipline_mutex); |
aa909224 | 3350 | return rc; |
4a71df50 FB |
3351 | } |
3352 | ||
3353 | static int qeth_l3_set_online(struct ccwgroup_device *gdev) | |
3354 | { | |
3355 | return __qeth_l3_set_online(gdev, 0); | |
3356 | } | |
3357 | ||
3358 | static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, | |
3359 | int recovery_mode) | |
3360 | { | |
3361 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3362 | int rc = 0, rc2 = 0, rc3 = 0; | |
3363 | enum qeth_card_states recover_flag; | |
3364 | ||
9dc48ccc | 3365 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3366 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3367 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
3368 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
3369 | |
3370 | if (card->dev && netif_carrier_ok(card->dev)) | |
3371 | netif_carrier_off(card->dev); | |
3372 | recover_flag = card->state; | |
1da74b1c FB |
3373 | if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { |
3374 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
3375 | card->info.hwtrap = 1; | |
3376 | } | |
0f5623c9 | 3377 | qeth_l3_stop_card(card, recovery_mode); |
72861ae7 EL |
3378 | if ((card->options.cq == QETH_CQ_ENABLED) && card->dev) { |
3379 | rtnl_lock(); | |
3380 | call_netdevice_notifiers(NETDEV_REBOOT, card->dev); | |
3381 | rtnl_unlock(); | |
3382 | } | |
4a71df50 FB |
3383 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
3384 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
3385 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
3386 | if (!rc) | |
3387 | rc = (rc2) ? rc2 : rc3; | |
3388 | if (rc) | |
d11ba0c4 | 3389 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
22ae2790 | 3390 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3391 | if (recover_flag == CARD_STATE_UP) |
3392 | card->state = CARD_STATE_RECOVER; | |
3393 | /* let user_space know that device is offline */ | |
3394 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3395 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3396 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3397 | return 0; |
3398 | } | |
3399 | ||
3400 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) | |
3401 | { | |
3402 | return __qeth_l3_set_offline(cgdev, 0); | |
3403 | } | |
3404 | ||
3405 | static int qeth_l3_recover(void *ptr) | |
3406 | { | |
3407 | struct qeth_card *card; | |
3408 | int rc = 0; | |
3409 | ||
3410 | card = (struct qeth_card *) ptr; | |
847a50fd CO |
3411 | QETH_CARD_TEXT(card, 2, "recover1"); |
3412 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3413 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
3414 | return 0; | |
847a50fd | 3415 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
3416 | dev_warn(&card->gdev->dev, |
3417 | "A recovery process has been started for the device\n"); | |
65d8013c | 3418 | qeth_set_recovery_task(card); |
4a71df50 FB |
3419 | __qeth_l3_set_offline(card->gdev, 1); |
3420 | rc = __qeth_l3_set_online(card->gdev, 1); | |
4a71df50 | 3421 | if (!rc) |
74eacdb9 FB |
3422 | dev_info(&card->gdev->dev, |
3423 | "Device successfully recovered!\n"); | |
28a7e4c9 | 3424 | else { |
0f54761d SR |
3425 | qeth_close_dev(card); |
3426 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
2efaf5ff | 3427 | "failed to recover an error on the device\n"); |
28a7e4c9 | 3428 | } |
65d8013c | 3429 | qeth_clear_recovery_task(card); |
a1c3ed4c FB |
3430 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
3431 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
3432 | return 0; |
3433 | } | |
3434 | ||
3435 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) | |
3436 | { | |
3437 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
f78ac2bb | 3438 | qeth_set_allowed_threads(card, 0, 1); |
1da74b1c FB |
3439 | if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) |
3440 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
4a71df50 FB |
3441 | qeth_qdio_clear_card(card, 0); |
3442 | qeth_clear_qdio_buffers(card); | |
22ae2790 | 3443 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3444 | } |
3445 | ||
bbcfcdc8 FB |
3446 | static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) |
3447 | { | |
3448 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3449 | ||
3450 | if (card->dev) | |
3451 | netif_device_detach(card->dev); | |
3452 | qeth_set_allowed_threads(card, 0, 1); | |
3453 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
3454 | if (gdev->state == CCWGROUP_OFFLINE) | |
3455 | return 0; | |
3456 | if (card->state == CARD_STATE_UP) { | |
1da74b1c FB |
3457 | if (card->info.hwtrap) |
3458 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
bbcfcdc8 FB |
3459 | __qeth_l3_set_offline(card->gdev, 1); |
3460 | } else | |
3461 | __qeth_l3_set_offline(card->gdev, 0); | |
3462 | return 0; | |
3463 | } | |
3464 | ||
3465 | static int qeth_l3_pm_resume(struct ccwgroup_device *gdev) | |
3466 | { | |
3467 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3468 | int rc = 0; | |
3469 | ||
3470 | if (gdev->state == CCWGROUP_OFFLINE) | |
3471 | goto out; | |
3472 | ||
3473 | if (card->state == CARD_STATE_RECOVER) { | |
3474 | rc = __qeth_l3_set_online(card->gdev, 1); | |
3475 | if (rc) { | |
869da90b UB |
3476 | rtnl_lock(); |
3477 | dev_close(card->dev); | |
3478 | rtnl_unlock(); | |
bbcfcdc8 FB |
3479 | } |
3480 | } else | |
3481 | rc = __qeth_l3_set_online(card->gdev, 0); | |
3482 | out: | |
3483 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
3484 | if (card->dev) | |
3485 | netif_device_attach(card->dev); | |
3486 | if (rc) | |
3487 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
3488 | "failed to recover an error on the device\n"); | |
3489 | return rc; | |
3490 | } | |
3491 | ||
c044dc21 EC |
3492 | /* Returns zero if the command is successfully "consumed" */ |
3493 | static int qeth_l3_control_event(struct qeth_card *card, | |
3494 | struct qeth_ipa_cmd *cmd) | |
3495 | { | |
3496 | return 1; | |
3497 | } | |
3498 | ||
c041f2d4 SO |
3499 | struct qeth_discipline qeth_l3_discipline = { |
3500 | .start_poll = qeth_qdio_start_poll, | |
3501 | .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, | |
3502 | .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, | |
3503 | .recover = qeth_l3_recover, | |
3504 | .setup = qeth_l3_probe_device, | |
4a71df50 FB |
3505 | .remove = qeth_l3_remove_device, |
3506 | .set_online = qeth_l3_set_online, | |
3507 | .set_offline = qeth_l3_set_offline, | |
3508 | .shutdown = qeth_l3_shutdown, | |
bbcfcdc8 FB |
3509 | .freeze = qeth_l3_pm_suspend, |
3510 | .thaw = qeth_l3_pm_resume, | |
3511 | .restore = qeth_l3_pm_resume, | |
c044dc21 | 3512 | .control_event_handler = qeth_l3_control_event, |
4a71df50 | 3513 | }; |
c041f2d4 | 3514 | EXPORT_SYMBOL_GPL(qeth_l3_discipline); |
4a71df50 FB |
3515 | |
3516 | static int qeth_l3_ip_event(struct notifier_block *this, | |
76fef2b6 | 3517 | unsigned long event, void *ptr) |
4a71df50 FB |
3518 | { |
3519 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3520 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; | |
3521 | struct qeth_ipaddr *addr; | |
3522 | struct qeth_card *card; | |
3523 | ||
c346dca1 | 3524 | if (dev_net(dev) != &init_net) |
76fef2b6 DM |
3525 | return NOTIFY_DONE; |
3526 | ||
4a71df50 FB |
3527 | card = qeth_l3_get_card_from_dev(dev); |
3528 | if (!card) | |
3529 | return NOTIFY_DONE; | |
6d8823db | 3530 | QETH_CARD_TEXT(card, 3, "ipevent"); |
4a71df50 FB |
3531 | |
3532 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
3533 | if (addr != NULL) { | |
3534 | addr->u.a4.addr = ifa->ifa_address; | |
3535 | addr->u.a4.mask = ifa->ifa_mask; | |
3536 | addr->type = QETH_IP_TYPE_NORMAL; | |
3537 | } else | |
3538 | goto out; | |
3539 | ||
3540 | switch (event) { | |
3541 | case NETDEV_UP: | |
3542 | if (!qeth_l3_add_ip(card, addr)) | |
3543 | kfree(addr); | |
3544 | break; | |
3545 | case NETDEV_DOWN: | |
3546 | if (!qeth_l3_delete_ip(card, addr)) | |
3547 | kfree(addr); | |
3548 | break; | |
3549 | default: | |
3550 | break; | |
3551 | } | |
3552 | qeth_l3_set_ip_addr_list(card); | |
3553 | out: | |
3554 | return NOTIFY_DONE; | |
3555 | } | |
3556 | ||
3557 | static struct notifier_block qeth_l3_ip_notifier = { | |
3558 | qeth_l3_ip_event, | |
3559 | NULL, | |
3560 | }; | |
3561 | ||
3562 | #ifdef CONFIG_QETH_IPV6 | |
3563 | /** | |
3564 | * IPv6 event handler | |
3565 | */ | |
3566 | static int qeth_l3_ip6_event(struct notifier_block *this, | |
76fef2b6 | 3567 | unsigned long event, void *ptr) |
4a71df50 FB |
3568 | { |
3569 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
3570 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
3571 | struct qeth_ipaddr *addr; | |
3572 | struct qeth_card *card; | |
3573 | ||
4a71df50 FB |
3574 | card = qeth_l3_get_card_from_dev(dev); |
3575 | if (!card) | |
3576 | return NOTIFY_DONE; | |
847a50fd | 3577 | QETH_CARD_TEXT(card, 3, "ip6event"); |
4a71df50 FB |
3578 | if (!qeth_is_supported(card, IPA_IPV6)) |
3579 | return NOTIFY_DONE; | |
3580 | ||
3581 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
3582 | if (addr != NULL) { | |
3583 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
3584 | addr->u.a6.pfxlen = ifa->prefix_len; | |
3585 | addr->type = QETH_IP_TYPE_NORMAL; | |
3586 | } else | |
3587 | goto out; | |
3588 | ||
3589 | switch (event) { | |
3590 | case NETDEV_UP: | |
3591 | if (!qeth_l3_add_ip(card, addr)) | |
3592 | kfree(addr); | |
3593 | break; | |
3594 | case NETDEV_DOWN: | |
3595 | if (!qeth_l3_delete_ip(card, addr)) | |
3596 | kfree(addr); | |
3597 | break; | |
3598 | default: | |
3599 | break; | |
3600 | } | |
3601 | qeth_l3_set_ip_addr_list(card); | |
3602 | out: | |
3603 | return NOTIFY_DONE; | |
3604 | } | |
3605 | ||
3606 | static struct notifier_block qeth_l3_ip6_notifier = { | |
3607 | qeth_l3_ip6_event, | |
3608 | NULL, | |
3609 | }; | |
3610 | #endif | |
3611 | ||
3612 | static int qeth_l3_register_notifiers(void) | |
3613 | { | |
3614 | int rc; | |
3615 | ||
847a50fd | 3616 | QETH_DBF_TEXT(SETUP, 5, "regnotif"); |
4a71df50 FB |
3617 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
3618 | if (rc) | |
3619 | return rc; | |
3620 | #ifdef CONFIG_QETH_IPV6 | |
3621 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); | |
3622 | if (rc) { | |
3623 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
3624 | return rc; | |
3625 | } | |
3626 | #else | |
baebc70a | 3627 | pr_warn("There is no IPv6 support for the layer 3 discipline\n"); |
4a71df50 FB |
3628 | #endif |
3629 | return 0; | |
3630 | } | |
3631 | ||
3632 | static void qeth_l3_unregister_notifiers(void) | |
3633 | { | |
3634 | ||
847a50fd | 3635 | QETH_DBF_TEXT(SETUP, 5, "unregnot"); |
18af5c17 | 3636 | WARN_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
4a71df50 | 3637 | #ifdef CONFIG_QETH_IPV6 |
18af5c17 | 3638 | WARN_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); |
4a71df50 FB |
3639 | #endif /* QETH_IPV6 */ |
3640 | } | |
3641 | ||
3642 | static int __init qeth_l3_init(void) | |
3643 | { | |
3644 | int rc = 0; | |
3645 | ||
74eacdb9 | 3646 | pr_info("register layer 3 discipline\n"); |
4a71df50 FB |
3647 | rc = qeth_l3_register_notifiers(); |
3648 | return rc; | |
3649 | } | |
3650 | ||
3651 | static void __exit qeth_l3_exit(void) | |
3652 | { | |
3653 | qeth_l3_unregister_notifiers(); | |
74eacdb9 | 3654 | pr_info("unregister layer 3 discipline\n"); |
4a71df50 FB |
3655 | } |
3656 | ||
3657 | module_init(qeth_l3_init); | |
3658 | module_exit(qeth_l3_exit); | |
3659 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
3660 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
3661 | MODULE_LICENSE("GPL"); |