Commit | Line | Data |
---|---|---|
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 | ||
58 | void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) | |
59 | { | |
60 | sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); | |
61 | } | |
62 | ||
63 | int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) | |
64 | { | |
65 | int count = 0, rc = 0; | |
66 | int in[4]; | |
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 | ||
81 | void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) | |
82 | { | |
963a9fd2 | 83 | sprintf(buf, "%pI6", addr); |
4a71df50 FB |
84 | } |
85 | ||
86 | int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) | |
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 | |
f154b79c EL |
435 | if ((card->state != CARD_STATE_UP && |
436 | card->state != CARD_STATE_SOFTSETUP) || card->options.sniffer) { | |
76b11f8e | 437 | return; |
f154b79c EL |
438 | } |
439 | ||
4a71df50 FB |
440 | spin_lock_irqsave(&card->ip_lock, flags); |
441 | tbd_list = card->ip_tbd_list; | |
b3332930 | 442 | card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_ATOMIC); |
4a71df50 | 443 | if (!card->ip_tbd_list) { |
847a50fd | 444 | QETH_CARD_TEXT(card, 0, "silnomem"); |
4a71df50 FB |
445 | card->ip_tbd_list = tbd_list; |
446 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
447 | return; | |
448 | } else | |
449 | INIT_LIST_HEAD(card->ip_tbd_list); | |
450 | ||
451 | while (!list_empty(tbd_list)) { | |
452 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); | |
453 | list_del(&todo->entry); | |
454 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC) { | |
455 | __qeth_l3_delete_all_mc(card, &flags); | |
456 | kfree(todo); | |
457 | continue; | |
458 | } | |
459 | rc = __qeth_l3_ref_ip_on_card(card, todo, &addr); | |
460 | if (rc == 0) { | |
461 | /* nothing to be done; only adjusted refcount */ | |
462 | kfree(todo); | |
463 | } else if (rc == 1) { | |
464 | /* new entry to be added to on-card list */ | |
465 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
466 | rc = qeth_l3_register_addr_entry(card, todo); | |
467 | spin_lock_irqsave(&card->ip_lock, flags); | |
3caa4af8 | 468 | if (!rc || (rc == IPA_RC_LAN_OFFLINE)) |
4a71df50 FB |
469 | list_add_tail(&todo->entry, &card->ip_list); |
470 | else | |
471 | kfree(todo); | |
472 | } else if (rc == -1) { | |
473 | /* on-card entry to be removed */ | |
474 | list_del_init(&addr->entry); | |
475 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
476 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
477 | spin_lock_irqsave(&card->ip_lock, flags); | |
76b11f8e | 478 | if (!rc || (rc == IPA_RC_IP_ADDRESS_NOT_DEFINED)) |
4a71df50 FB |
479 | kfree(addr); |
480 | else | |
481 | list_add_tail(&addr->entry, &card->ip_list); | |
482 | kfree(todo); | |
483 | } | |
484 | } | |
485 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
486 | kfree(tbd_list); | |
487 | } | |
488 | ||
70919e23 | 489 | static void qeth_l3_clear_ip_list(struct qeth_card *card, int recover) |
4a71df50 FB |
490 | { |
491 | struct qeth_ipaddr *addr, *tmp; | |
492 | unsigned long flags; | |
493 | ||
847a50fd | 494 | QETH_CARD_TEXT(card, 4, "clearip"); |
76b11f8e UB |
495 | if (recover && card->options.sniffer) |
496 | return; | |
4a71df50 FB |
497 | spin_lock_irqsave(&card->ip_lock, flags); |
498 | /* clear todo list */ | |
499 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) { | |
500 | list_del(&addr->entry); | |
501 | kfree(addr); | |
502 | } | |
503 | ||
504 | while (!list_empty(&card->ip_list)) { | |
505 | addr = list_entry(card->ip_list.next, | |
506 | struct qeth_ipaddr, entry); | |
507 | list_del_init(&addr->entry); | |
4a71df50 FB |
508 | if (!recover || addr->is_multicast) { |
509 | kfree(addr); | |
510 | continue; | |
511 | } | |
512 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
513 | } | |
514 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
515 | } | |
516 | ||
517 | static int qeth_l3_address_exists_in_list(struct list_head *list, | |
518 | struct qeth_ipaddr *addr, int same_type) | |
519 | { | |
520 | struct qeth_ipaddr *tmp; | |
521 | ||
522 | list_for_each_entry(tmp, list, entry) { | |
523 | if ((tmp->proto == QETH_PROT_IPV4) && | |
524 | (addr->proto == QETH_PROT_IPV4) && | |
525 | ((same_type && (tmp->type == addr->type)) || | |
526 | (!same_type && (tmp->type != addr->type))) && | |
527 | (tmp->u.a4.addr == addr->u.a4.addr)) | |
528 | return 1; | |
529 | ||
530 | if ((tmp->proto == QETH_PROT_IPV6) && | |
531 | (addr->proto == QETH_PROT_IPV6) && | |
532 | ((same_type && (tmp->type == addr->type)) || | |
533 | (!same_type && (tmp->type != addr->type))) && | |
534 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
535 | sizeof(struct in6_addr)) == 0)) | |
536 | return 1; | |
537 | ||
538 | } | |
539 | return 0; | |
540 | } | |
541 | ||
542 | static int qeth_l3_send_setdelmc(struct qeth_card *card, | |
543 | struct qeth_ipaddr *addr, int ipacmd) | |
544 | { | |
545 | int rc; | |
546 | struct qeth_cmd_buffer *iob; | |
547 | struct qeth_ipa_cmd *cmd; | |
548 | ||
847a50fd | 549 | QETH_CARD_TEXT(card, 4, "setdelmc"); |
4a71df50 FB |
550 | |
551 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
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); | |
591 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
592 | if (addr->proto == QETH_PROT_IPV6) { | |
593 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, | |
594 | sizeof(struct in6_addr)); | |
595 | qeth_l3_fill_netmask(netmask, addr->u.a6.pfxlen); | |
596 | memcpy(cmd->data.setdelip6.mask, netmask, | |
597 | sizeof(struct in6_addr)); | |
598 | cmd->data.setdelip6.flags = flags; | |
599 | } else { | |
600 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); | |
601 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); | |
602 | cmd->data.setdelip4.flags = flags; | |
603 | } | |
604 | ||
605 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
606 | ||
607 | return rc; | |
608 | } | |
609 | ||
610 | static int qeth_l3_send_setrouting(struct qeth_card *card, | |
611 | enum qeth_routing_types type, enum qeth_prot_versions prot) | |
612 | { | |
613 | int rc; | |
614 | struct qeth_ipa_cmd *cmd; | |
615 | struct qeth_cmd_buffer *iob; | |
616 | ||
847a50fd | 617 | QETH_CARD_TEXT(card, 4, "setroutg"); |
4a71df50 FB |
618 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); |
619 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
620 | cmd->data.setrtg.type = (type); | |
621 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
622 | ||
623 | return rc; | |
624 | } | |
625 | ||
626 | static void qeth_l3_correct_routing_type(struct qeth_card *card, | |
627 | enum qeth_routing_types *type, enum qeth_prot_versions prot) | |
628 | { | |
629 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
630 | switch (*type) { | |
631 | case NO_ROUTER: | |
632 | case PRIMARY_CONNECTOR: | |
633 | case SECONDARY_CONNECTOR: | |
634 | case MULTICAST_ROUTER: | |
635 | return; | |
636 | default: | |
637 | goto out_inval; | |
638 | } | |
639 | } else { | |
640 | switch (*type) { | |
641 | case NO_ROUTER: | |
642 | case PRIMARY_ROUTER: | |
643 | case SECONDARY_ROUTER: | |
644 | return; | |
645 | case MULTICAST_ROUTER: | |
646 | if (qeth_is_ipafunc_supported(card, prot, | |
647 | IPA_OSA_MC_ROUTER)) | |
648 | return; | |
649 | default: | |
650 | goto out_inval; | |
651 | } | |
652 | } | |
653 | out_inval: | |
4a71df50 FB |
654 | *type = NO_ROUTER; |
655 | } | |
656 | ||
657 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
658 | { | |
659 | int rc; | |
660 | ||
847a50fd | 661 | QETH_CARD_TEXT(card, 3, "setrtg4"); |
4a71df50 FB |
662 | |
663 | qeth_l3_correct_routing_type(card, &card->options.route4.type, | |
664 | QETH_PROT_IPV4); | |
665 | ||
666 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
667 | QETH_PROT_IPV4); | |
668 | if (rc) { | |
669 | card->options.route4.type = NO_ROUTER; | |
14cc21b6 FB |
670 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
671 | " on %s. Type set to 'no router'.\n", rc, | |
672 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
673 | } |
674 | return rc; | |
675 | } | |
676 | ||
677 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
678 | { | |
679 | int rc = 0; | |
680 | ||
847a50fd | 681 | QETH_CARD_TEXT(card, 3, "setrtg6"); |
4a71df50 FB |
682 | #ifdef CONFIG_QETH_IPV6 |
683 | ||
684 | if (!qeth_is_supported(card, IPA_IPV6)) | |
685 | return 0; | |
686 | qeth_l3_correct_routing_type(card, &card->options.route6.type, | |
687 | QETH_PROT_IPV6); | |
688 | ||
689 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
690 | QETH_PROT_IPV6); | |
691 | if (rc) { | |
692 | card->options.route6.type = NO_ROUTER; | |
14cc21b6 FB |
693 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
694 | " on %s. Type set to 'no router'.\n", rc, | |
695 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
696 | } |
697 | #endif | |
698 | return rc; | |
699 | } | |
700 | ||
701 | /* | |
702 | * IP address takeover related functions | |
703 | */ | |
704 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) | |
705 | { | |
706 | ||
707 | struct qeth_ipato_entry *ipatoe, *tmp; | |
708 | unsigned long flags; | |
709 | ||
710 | spin_lock_irqsave(&card->ip_lock, flags); | |
711 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
712 | list_del(&ipatoe->entry); | |
713 | kfree(ipatoe); | |
714 | } | |
715 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
716 | } | |
717 | ||
718 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
719 | struct qeth_ipato_entry *new) | |
720 | { | |
721 | struct qeth_ipato_entry *ipatoe; | |
722 | unsigned long flags; | |
723 | int rc = 0; | |
724 | ||
847a50fd | 725 | QETH_CARD_TEXT(card, 2, "addipato"); |
4a71df50 FB |
726 | spin_lock_irqsave(&card->ip_lock, flags); |
727 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
728 | if (ipatoe->proto != new->proto) | |
729 | continue; | |
730 | if (!memcmp(ipatoe->addr, new->addr, | |
731 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
732 | (ipatoe->mask_bits == new->mask_bits)) { | |
4a71df50 FB |
733 | rc = -EEXIST; |
734 | break; | |
735 | } | |
736 | } | |
737 | if (!rc) | |
738 | list_add_tail(&new->entry, &card->ipato.entries); | |
739 | ||
740 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
741 | return rc; | |
742 | } | |
743 | ||
744 | void qeth_l3_del_ipato_entry(struct qeth_card *card, | |
745 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) | |
746 | { | |
747 | struct qeth_ipato_entry *ipatoe, *tmp; | |
748 | unsigned long flags; | |
749 | ||
847a50fd | 750 | QETH_CARD_TEXT(card, 2, "delipato"); |
4a71df50 FB |
751 | spin_lock_irqsave(&card->ip_lock, flags); |
752 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
753 | if (ipatoe->proto != proto) | |
754 | continue; | |
755 | if (!memcmp(ipatoe->addr, addr, | |
756 | (proto == QETH_PROT_IPV4)? 4:16) && | |
757 | (ipatoe->mask_bits == mask_bits)) { | |
758 | list_del(&ipatoe->entry); | |
759 | kfree(ipatoe); | |
760 | } | |
761 | } | |
762 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
763 | } | |
764 | ||
765 | /* | |
766 | * VIPA related functions | |
767 | */ | |
768 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
769 | const u8 *addr) | |
770 | { | |
771 | struct qeth_ipaddr *ipaddr; | |
772 | unsigned long flags; | |
773 | int rc = 0; | |
774 | ||
775 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
776 | if (ipaddr) { | |
777 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 778 | QETH_CARD_TEXT(card, 2, "addvipa4"); |
4a71df50 FB |
779 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
780 | ipaddr->u.a4.mask = 0; | |
781 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 782 | QETH_CARD_TEXT(card, 2, "addvipa6"); |
4a71df50 FB |
783 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
784 | ipaddr->u.a6.pfxlen = 0; | |
785 | } | |
786 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
787 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
788 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
789 | } else | |
790 | return -ENOMEM; | |
791 | spin_lock_irqsave(&card->ip_lock, flags); | |
792 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
793 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
794 | rc = -EEXIST; | |
795 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
796 | if (rc) { | |
f68bd07c | 797 | kfree(ipaddr); |
4a71df50 FB |
798 | return rc; |
799 | } | |
800 | if (!qeth_l3_add_ip(card, ipaddr)) | |
801 | kfree(ipaddr); | |
802 | qeth_l3_set_ip_addr_list(card); | |
803 | return rc; | |
804 | } | |
805 | ||
806 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
807 | const u8 *addr) | |
808 | { | |
809 | struct qeth_ipaddr *ipaddr; | |
810 | ||
811 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
812 | if (ipaddr) { | |
813 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 814 | QETH_CARD_TEXT(card, 2, "delvipa4"); |
4a71df50 FB |
815 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
816 | ipaddr->u.a4.mask = 0; | |
817 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 818 | QETH_CARD_TEXT(card, 2, "delvipa6"); |
4a71df50 FB |
819 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
820 | ipaddr->u.a6.pfxlen = 0; | |
821 | } | |
822 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
823 | } else | |
824 | return; | |
825 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
826 | kfree(ipaddr); | |
827 | qeth_l3_set_ip_addr_list(card); | |
828 | } | |
829 | ||
830 | /* | |
831 | * proxy ARP related functions | |
832 | */ | |
833 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
834 | const u8 *addr) | |
835 | { | |
836 | struct qeth_ipaddr *ipaddr; | |
837 | unsigned long flags; | |
838 | int rc = 0; | |
839 | ||
840 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
841 | if (ipaddr) { | |
842 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 843 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
844 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
845 | ipaddr->u.a4.mask = 0; | |
846 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 847 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
848 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
849 | ipaddr->u.a6.pfxlen = 0; | |
850 | } | |
851 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
852 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
853 | ipaddr->del_flags = 0; | |
854 | } else | |
855 | return -ENOMEM; | |
856 | spin_lock_irqsave(&card->ip_lock, flags); | |
857 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
858 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
859 | rc = -EEXIST; | |
860 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
861 | if (rc) { | |
f68bd07c | 862 | kfree(ipaddr); |
4a71df50 FB |
863 | return rc; |
864 | } | |
865 | if (!qeth_l3_add_ip(card, ipaddr)) | |
866 | kfree(ipaddr); | |
867 | qeth_l3_set_ip_addr_list(card); | |
868 | return 0; | |
869 | } | |
870 | ||
871 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
872 | const u8 *addr) | |
873 | { | |
874 | struct qeth_ipaddr *ipaddr; | |
875 | ||
876 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
877 | if (ipaddr) { | |
878 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 879 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
880 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
881 | ipaddr->u.a4.mask = 0; | |
882 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 883 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
884 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
885 | ipaddr->u.a6.pfxlen = 0; | |
886 | } | |
887 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
888 | } else | |
889 | return; | |
890 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
891 | kfree(ipaddr); | |
892 | qeth_l3_set_ip_addr_list(card); | |
893 | } | |
894 | ||
895 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
896 | struct qeth_ipaddr *addr) | |
897 | { | |
898 | char buf[50]; | |
899 | int rc = 0; | |
900 | int cnt = 3; | |
901 | ||
902 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
903 | QETH_CARD_TEXT(card, 2, "setaddr4"); |
904 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 905 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
906 | QETH_CARD_TEXT(card, 2, "setaddr6"); |
907 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
908 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 909 | } else { |
847a50fd CO |
910 | QETH_CARD_TEXT(card, 2, "setaddr?"); |
911 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
912 | } |
913 | do { | |
914 | if (addr->is_multicast) | |
915 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
916 | else | |
917 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, | |
918 | addr->set_flags); | |
919 | if (rc) | |
847a50fd | 920 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
921 | } while ((--cnt > 0) && rc); |
922 | if (rc) { | |
847a50fd | 923 | QETH_CARD_TEXT(card, 2, "FAILED"); |
4a71df50 | 924 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
74eacdb9 FB |
925 | dev_warn(&card->gdev->dev, |
926 | "Registering IP address %s failed\n", buf); | |
4a71df50 FB |
927 | } |
928 | return rc; | |
929 | } | |
930 | ||
931 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
932 | struct qeth_ipaddr *addr) | |
933 | { | |
934 | int rc = 0; | |
935 | ||
936 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
937 | QETH_CARD_TEXT(card, 2, "deladdr4"); |
938 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 939 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
940 | QETH_CARD_TEXT(card, 2, "deladdr6"); |
941 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
942 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 943 | } else { |
847a50fd CO |
944 | QETH_CARD_TEXT(card, 2, "deladdr?"); |
945 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
946 | } |
947 | if (addr->is_multicast) | |
948 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
949 | else | |
950 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, | |
951 | addr->del_flags); | |
c4cef07c | 952 | if (rc) |
847a50fd | 953 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
954 | |
955 | return rc; | |
956 | } | |
957 | ||
958 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) | |
959 | { | |
960 | if (cast_type == RTN_MULTICAST) | |
961 | return QETH_CAST_MULTICAST; | |
962 | if (cast_type == RTN_BROADCAST) | |
963 | return QETH_CAST_BROADCAST; | |
964 | return QETH_CAST_UNICAST; | |
965 | } | |
966 | ||
967 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) | |
968 | { | |
969 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
970 | if (cast_type == RTN_MULTICAST) | |
971 | return ct | QETH_CAST_MULTICAST; | |
972 | if (cast_type == RTN_ANYCAST) | |
973 | return ct | QETH_CAST_ANYCAST; | |
974 | if (cast_type == RTN_BROADCAST) | |
975 | return ct | QETH_CAST_BROADCAST; | |
976 | return ct | QETH_CAST_UNICAST; | |
977 | } | |
978 | ||
4a71df50 FB |
979 | static int qeth_l3_setadapter_parms(struct qeth_card *card) |
980 | { | |
981 | int rc; | |
982 | ||
d11ba0c4 | 983 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
4a71df50 FB |
984 | |
985 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { | |
74eacdb9 FB |
986 | dev_info(&card->gdev->dev, |
987 | "set adapter parameters not supported.\n"); | |
d11ba0c4 | 988 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
4a71df50 FB |
989 | return 0; |
990 | } | |
991 | rc = qeth_query_setadapterparms(card); | |
992 | if (rc) { | |
74eacdb9 | 993 | QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: " |
7f6d95e7 | 994 | "0x%x\n", dev_name(&card->gdev->dev), rc); |
4a71df50 FB |
995 | return rc; |
996 | } | |
997 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
998 | rc = qeth_setadpparms_change_macaddr(card); | |
999 | if (rc) | |
74eacdb9 | 1000 | dev_warn(&card->gdev->dev, "Reading the adapter MAC" |
6ea2fde1 | 1001 | " address failed\n"); |
4a71df50 FB |
1002 | } |
1003 | ||
4a71df50 FB |
1004 | return rc; |
1005 | } | |
1006 | ||
1007 | static int qeth_l3_default_setassparms_cb(struct qeth_card *card, | |
1008 | struct qeth_reply *reply, unsigned long data) | |
1009 | { | |
1010 | struct qeth_ipa_cmd *cmd; | |
1011 | ||
847a50fd | 1012 | QETH_CARD_TEXT(card, 4, "defadpcb"); |
4a71df50 FB |
1013 | |
1014 | cmd = (struct qeth_ipa_cmd *) data; | |
1015 | if (cmd->hdr.return_code == 0) { | |
1016 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
1017 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
1018 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1019 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
1020 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1021 | } | |
1022 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
1023 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1024 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1025 | QETH_CARD_TEXT_(card, 3, "csum:%d", card->info.csum_mask); |
4a71df50 | 1026 | } |
f6b85b6c FB |
1027 | if (cmd->data.setassparms.hdr.assist_no == IPA_OUTBOUND_CHECKSUM && |
1028 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1029 | card->info.tx_csum_mask = | |
1030 | cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1031 | QETH_CARD_TEXT_(card, 3, "tcsu:%d", card->info.tx_csum_mask); |
f6b85b6c FB |
1032 | } |
1033 | ||
4a71df50 FB |
1034 | return 0; |
1035 | } | |
1036 | ||
1037 | static struct qeth_cmd_buffer *qeth_l3_get_setassparms_cmd( | |
1038 | struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, | |
1039 | __u16 len, enum qeth_prot_versions prot) | |
1040 | { | |
1041 | struct qeth_cmd_buffer *iob; | |
1042 | struct qeth_ipa_cmd *cmd; | |
1043 | ||
847a50fd | 1044 | QETH_CARD_TEXT(card, 4, "getasscm"); |
4a71df50 FB |
1045 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETASSPARMS, prot); |
1046 | ||
1047 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1048 | cmd->data.setassparms.hdr.assist_no = ipa_func; | |
1049 | cmd->data.setassparms.hdr.length = 8 + len; | |
1050 | cmd->data.setassparms.hdr.command_code = cmd_code; | |
1051 | cmd->data.setassparms.hdr.return_code = 0; | |
1052 | cmd->data.setassparms.hdr.seq_no = 0; | |
1053 | ||
1054 | return iob; | |
1055 | } | |
1056 | ||
1057 | static int qeth_l3_send_setassparms(struct qeth_card *card, | |
1058 | struct qeth_cmd_buffer *iob, __u16 len, long data, | |
1059 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
1060 | unsigned long), | |
1061 | void *reply_param) | |
1062 | { | |
1063 | int rc; | |
1064 | struct qeth_ipa_cmd *cmd; | |
1065 | ||
847a50fd | 1066 | QETH_CARD_TEXT(card, 4, "sendassp"); |
4a71df50 FB |
1067 | |
1068 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1069 | if (len <= sizeof(__u32)) | |
1070 | cmd->data.setassparms.data.flags_32bit = (__u32) data; | |
1071 | else /* (len > sizeof(__u32)) */ | |
1072 | memcpy(&cmd->data.setassparms.data, (void *) data, len); | |
1073 | ||
1074 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); | |
1075 | return rc; | |
1076 | } | |
1077 | ||
1078 | #ifdef CONFIG_QETH_IPV6 | |
1079 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, | |
1080 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
1081 | { | |
1082 | int rc; | |
1083 | struct qeth_cmd_buffer *iob; | |
1084 | ||
847a50fd | 1085 | QETH_CARD_TEXT(card, 4, "simassp6"); |
4a71df50 FB |
1086 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, |
1087 | 0, QETH_PROT_IPV6); | |
1088 | rc = qeth_l3_send_setassparms(card, iob, 0, 0, | |
1089 | qeth_l3_default_setassparms_cb, NULL); | |
1090 | return rc; | |
1091 | } | |
1092 | #endif | |
1093 | ||
1094 | static int qeth_l3_send_simple_setassparms(struct qeth_card *card, | |
1095 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code, long data) | |
1096 | { | |
1097 | int rc; | |
1098 | int length = 0; | |
1099 | struct qeth_cmd_buffer *iob; | |
1100 | ||
847a50fd | 1101 | QETH_CARD_TEXT(card, 4, "simassp4"); |
4a71df50 FB |
1102 | if (data) |
1103 | length = sizeof(__u32); | |
1104 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, | |
1105 | length, QETH_PROT_IPV4); | |
1106 | rc = qeth_l3_send_setassparms(card, iob, length, data, | |
1107 | qeth_l3_default_setassparms_cb, NULL); | |
1108 | return rc; | |
1109 | } | |
1110 | ||
1111 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) | |
1112 | { | |
1113 | int rc; | |
1114 | ||
847a50fd | 1115 | QETH_CARD_TEXT(card, 3, "ipaarp"); |
4a71df50 FB |
1116 | |
1117 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
74eacdb9 FB |
1118 | dev_info(&card->gdev->dev, |
1119 | "ARP processing not supported on %s!\n", | |
1120 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1121 | return 0; |
1122 | } | |
1123 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
1124 | IPA_CMD_ASS_START, 0); | |
1125 | if (rc) { | |
74eacdb9 FB |
1126 | dev_warn(&card->gdev->dev, |
1127 | "Starting ARP processing support for %s failed\n", | |
1128 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1129 | } |
1130 | return rc; | |
1131 | } | |
1132 | ||
1133 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) | |
1134 | { | |
1135 | int rc; | |
1136 | ||
847a50fd | 1137 | QETH_CARD_TEXT(card, 3, "ipaipfrg"); |
4a71df50 FB |
1138 | |
1139 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
74eacdb9 FB |
1140 | dev_info(&card->gdev->dev, |
1141 | "Hardware IP fragmentation not supported on %s\n", | |
1142 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1143 | return -EOPNOTSUPP; |
1144 | } | |
1145 | ||
1146 | rc = qeth_l3_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, | |
1147 | IPA_CMD_ASS_START, 0); | |
1148 | if (rc) { | |
74eacdb9 FB |
1149 | dev_warn(&card->gdev->dev, |
1150 | "Starting IP fragmentation support for %s failed\n", | |
1151 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1152 | } else |
74eacdb9 FB |
1153 | dev_info(&card->gdev->dev, |
1154 | "Hardware IP fragmentation enabled \n"); | |
4a71df50 FB |
1155 | return rc; |
1156 | } | |
1157 | ||
1158 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) | |
1159 | { | |
1160 | int rc; | |
1161 | ||
847a50fd | 1162 | QETH_CARD_TEXT(card, 3, "stsrcmac"); |
4a71df50 | 1163 | |
4a71df50 | 1164 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
74eacdb9 | 1165 | dev_info(&card->gdev->dev, |
fe94e2e0 | 1166 | "Inbound source MAC-address not supported on %s\n", |
74eacdb9 | 1167 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1168 | return -EOPNOTSUPP; |
1169 | } | |
1170 | ||
1171 | rc = qeth_l3_send_simple_setassparms(card, IPA_SOURCE_MAC, | |
1172 | IPA_CMD_ASS_START, 0); | |
1173 | if (rc) | |
74eacdb9 | 1174 | dev_warn(&card->gdev->dev, |
fe94e2e0 | 1175 | "Starting source MAC-address support for %s failed\n", |
74eacdb9 | 1176 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1177 | return rc; |
1178 | } | |
1179 | ||
1180 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
1181 | { | |
1182 | int rc = 0; | |
1183 | ||
847a50fd | 1184 | QETH_CARD_TEXT(card, 3, "strtvlan"); |
4a71df50 FB |
1185 | |
1186 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
74eacdb9 FB |
1187 | dev_info(&card->gdev->dev, |
1188 | "VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1189 | return -EOPNOTSUPP; |
1190 | } | |
1191 | ||
1192 | rc = qeth_l3_send_simple_setassparms(card, IPA_VLAN_PRIO, | |
1193 | IPA_CMD_ASS_START, 0); | |
1194 | if (rc) { | |
74eacdb9 FB |
1195 | dev_warn(&card->gdev->dev, |
1196 | "Starting VLAN support for %s failed\n", | |
1197 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1198 | } else { |
74eacdb9 | 1199 | dev_info(&card->gdev->dev, "VLAN enabled\n"); |
4a71df50 FB |
1200 | } |
1201 | return rc; | |
1202 | } | |
1203 | ||
1204 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
1205 | { | |
1206 | int rc; | |
1207 | ||
847a50fd | 1208 | QETH_CARD_TEXT(card, 3, "stmcast"); |
4a71df50 FB |
1209 | |
1210 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
74eacdb9 FB |
1211 | dev_info(&card->gdev->dev, |
1212 | "Multicast not supported on %s\n", | |
1213 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1214 | return -EOPNOTSUPP; |
1215 | } | |
1216 | ||
1217 | rc = qeth_l3_send_simple_setassparms(card, IPA_MULTICASTING, | |
1218 | IPA_CMD_ASS_START, 0); | |
1219 | if (rc) { | |
74eacdb9 FB |
1220 | dev_warn(&card->gdev->dev, |
1221 | "Starting multicast support for %s failed\n", | |
1222 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1223 | } else { |
74eacdb9 | 1224 | dev_info(&card->gdev->dev, "Multicast enabled\n"); |
4a71df50 FB |
1225 | card->dev->flags |= IFF_MULTICAST; |
1226 | } | |
1227 | return rc; | |
1228 | } | |
1229 | ||
4a71df50 FB |
1230 | #ifdef CONFIG_QETH_IPV6 |
1231 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) | |
1232 | { | |
1233 | int rc; | |
1234 | ||
847a50fd | 1235 | QETH_CARD_TEXT(card, 3, "softipv6"); |
4a71df50 FB |
1236 | |
1237 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1238 | goto out; | |
1239 | ||
1da74b1c | 1240 | rc = qeth_query_ipassists(card, QETH_PROT_IPV6); |
4a71df50 | 1241 | if (rc) { |
74eacdb9 FB |
1242 | dev_err(&card->gdev->dev, |
1243 | "Activating IPv6 support for %s failed\n", | |
1244 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1245 | return rc; |
1246 | } | |
1247 | rc = qeth_l3_send_simple_setassparms(card, IPA_IPV6, | |
1248 | IPA_CMD_ASS_START, 3); | |
1249 | if (rc) { | |
74eacdb9 FB |
1250 | dev_err(&card->gdev->dev, |
1251 | "Activating IPv6 support for %s failed\n", | |
1252 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1253 | return rc; |
1254 | } | |
1255 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
1256 | IPA_CMD_ASS_START); | |
1257 | if (rc) { | |
74eacdb9 FB |
1258 | dev_err(&card->gdev->dev, |
1259 | "Activating IPv6 support for %s failed\n", | |
1260 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1261 | return rc; |
1262 | } | |
1263 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
1264 | IPA_CMD_ASS_START); | |
1265 | if (rc) { | |
74eacdb9 FB |
1266 | dev_warn(&card->gdev->dev, |
1267 | "Enabling the passthrough mode for %s failed\n", | |
1268 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1269 | return rc; |
1270 | } | |
1271 | out: | |
74eacdb9 | 1272 | dev_info(&card->gdev->dev, "IPV6 enabled\n"); |
4a71df50 FB |
1273 | return 0; |
1274 | } | |
1275 | #endif | |
1276 | ||
1277 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
1278 | { | |
1279 | int rc = 0; | |
1280 | ||
847a50fd | 1281 | QETH_CARD_TEXT(card, 3, "strtipv6"); |
4a71df50 FB |
1282 | |
1283 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
74eacdb9 FB |
1284 | dev_info(&card->gdev->dev, |
1285 | "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1286 | return 0; |
1287 | } | |
1288 | #ifdef CONFIG_QETH_IPV6 | |
1289 | rc = qeth_l3_softsetup_ipv6(card); | |
1290 | #endif | |
1291 | return rc ; | |
1292 | } | |
1293 | ||
1294 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
1295 | { | |
1296 | int rc; | |
1297 | ||
847a50fd | 1298 | QETH_CARD_TEXT(card, 3, "stbrdcst"); |
4a71df50 FB |
1299 | card->info.broadcast_capable = 0; |
1300 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
74eacdb9 FB |
1301 | dev_info(&card->gdev->dev, |
1302 | "Broadcast not supported on %s\n", | |
1303 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1304 | rc = -EOPNOTSUPP; |
1305 | goto out; | |
1306 | } | |
1307 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1308 | IPA_CMD_ASS_START, 0); | |
1309 | if (rc) { | |
74eacdb9 FB |
1310 | dev_warn(&card->gdev->dev, "Enabling broadcast filtering for " |
1311 | "%s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1312 | goto out; |
1313 | } | |
1314 | ||
1315 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1316 | IPA_CMD_ASS_CONFIGURE, 1); | |
1317 | if (rc) { | |
74eacdb9 FB |
1318 | dev_warn(&card->gdev->dev, |
1319 | "Setting up broadcast filtering for %s failed\n", | |
1320 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1321 | goto out; |
1322 | } | |
1323 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
74eacdb9 | 1324 | dev_info(&card->gdev->dev, "Broadcast enabled\n"); |
4a71df50 FB |
1325 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, |
1326 | IPA_CMD_ASS_ENABLE, 1); | |
1327 | if (rc) { | |
74eacdb9 FB |
1328 | dev_warn(&card->gdev->dev, "Setting up broadcast echo " |
1329 | "filtering for %s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1330 | goto out; |
1331 | } | |
1332 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
1333 | out: | |
1334 | if (card->info.broadcast_capable) | |
1335 | card->dev->flags |= IFF_BROADCAST; | |
1336 | else | |
1337 | card->dev->flags &= ~IFF_BROADCAST; | |
1338 | return rc; | |
1339 | } | |
1340 | ||
1341 | static int qeth_l3_send_checksum_command(struct qeth_card *card) | |
1342 | { | |
1343 | int rc; | |
1344 | ||
1345 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1346 | IPA_CMD_ASS_START, 0); | |
1347 | if (rc) { | |
74eacdb9 FB |
1348 | dev_warn(&card->gdev->dev, "Starting HW checksumming for %s " |
1349 | "failed, using SW checksumming\n", | |
1350 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1351 | return rc; |
1352 | } | |
1353 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1354 | IPA_CMD_ASS_ENABLE, | |
1355 | card->info.csum_mask); | |
1356 | if (rc) { | |
74eacdb9 FB |
1357 | dev_warn(&card->gdev->dev, "Enabling HW checksumming for %s " |
1358 | "failed, using SW checksumming\n", | |
1359 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1360 | return rc; |
1361 | } | |
1362 | return 0; | |
1363 | } | |
1364 | ||
c4736d96 | 1365 | static int qeth_l3_set_rx_csum(struct qeth_card *card, int on) |
3fd434d8 FB |
1366 | { |
1367 | int rc = 0; | |
1368 | ||
c5e631a8 | 1369 | if (on) { |
60a34277 FB |
1370 | rc = qeth_l3_send_checksum_command(card); |
1371 | if (rc) | |
1372 | return -EIO; | |
1373 | dev_info(&card->gdev->dev, | |
1374 | "HW Checksumming (inbound) enabled\n"); | |
3fd434d8 | 1375 | } else { |
60a34277 FB |
1376 | rc = qeth_l3_send_simple_setassparms(card, |
1377 | IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); | |
1378 | if (rc) | |
1379 | return -EIO; | |
3fd434d8 | 1380 | } |
c5e631a8 | 1381 | |
60a34277 | 1382 | return 0; |
3fd434d8 FB |
1383 | } |
1384 | ||
4a71df50 FB |
1385 | static int qeth_l3_start_ipa_checksum(struct qeth_card *card) |
1386 | { | |
847a50fd | 1387 | QETH_CARD_TEXT(card, 3, "strtcsum"); |
4a71df50 | 1388 | |
c5e631a8 | 1389 | if (card->dev->features & NETIF_F_RXCSUM) { |
60a34277 FB |
1390 | rtnl_lock(); |
1391 | /* force set_features call */ | |
1392 | card->dev->features &= ~NETIF_F_RXCSUM; | |
1393 | netdev_update_features(card->dev); | |
1394 | rtnl_unlock(); | |
1395 | } | |
c5e631a8 | 1396 | return 0; |
4a71df50 FB |
1397 | } |
1398 | ||
f6b85b6c FB |
1399 | static int qeth_l3_start_ipa_tx_checksum(struct qeth_card *card) |
1400 | { | |
1401 | int rc = 0; | |
1402 | ||
1403 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) | |
1404 | return rc; | |
1405 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1406 | IPA_CMD_ASS_START, 0); | |
1407 | if (rc) | |
1408 | goto err_out; | |
1409 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1410 | IPA_CMD_ASS_ENABLE, card->info.tx_csum_mask); | |
1411 | if (rc) | |
1412 | goto err_out; | |
1413 | dev_info(&card->gdev->dev, "HW TX Checksumming enabled\n"); | |
1414 | return rc; | |
1415 | err_out: | |
1416 | dev_warn(&card->gdev->dev, "Enabling HW TX checksumming for %s " | |
1417 | "failed, using SW TX checksumming\n", QETH_CARD_IFNAME(card)); | |
1418 | return rc; | |
1419 | } | |
1420 | ||
4a71df50 FB |
1421 | static int qeth_l3_start_ipa_tso(struct qeth_card *card) |
1422 | { | |
1423 | int rc; | |
1424 | ||
847a50fd | 1425 | QETH_CARD_TEXT(card, 3, "sttso"); |
4a71df50 FB |
1426 | |
1427 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
74eacdb9 FB |
1428 | dev_info(&card->gdev->dev, |
1429 | "Outbound TSO not supported on %s\n", | |
1430 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1431 | rc = -EOPNOTSUPP; |
1432 | } else { | |
1433 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_TSO, | |
1434 | IPA_CMD_ASS_START, 0); | |
1435 | if (rc) | |
74eacdb9 FB |
1436 | dev_warn(&card->gdev->dev, "Starting outbound TCP " |
1437 | "segmentation offload for %s failed\n", | |
1438 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1439 | else |
74eacdb9 FB |
1440 | dev_info(&card->gdev->dev, |
1441 | "Outbound TSO enabled\n"); | |
4a71df50 | 1442 | } |
6204b47e MM |
1443 | if (rc) |
1444 | card->dev->features &= ~NETIF_F_TSO; | |
4a71df50 FB |
1445 | return rc; |
1446 | } | |
1447 | ||
1448 | static int qeth_l3_start_ipassists(struct qeth_card *card) | |
1449 | { | |
847a50fd | 1450 | QETH_CARD_TEXT(card, 3, "strtipas"); |
d64ecc22 EL |
1451 | |
1452 | qeth_set_access_ctrl_online(card); /* go on*/ | |
4a71df50 FB |
1453 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
1454 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ | |
1455 | qeth_l3_start_ipa_source_mac(card); /* go on*/ | |
1456 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
1457 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
1458 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
1459 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
1460 | qeth_l3_start_ipa_checksum(card); /* go on*/ | |
f6b85b6c | 1461 | qeth_l3_start_ipa_tx_checksum(card); |
4a71df50 FB |
1462 | qeth_l3_start_ipa_tso(card); /* go on*/ |
1463 | return 0; | |
1464 | } | |
1465 | ||
4a71df50 FB |
1466 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
1467 | struct qeth_reply *reply, unsigned long data) | |
1468 | { | |
1469 | struct qeth_ipa_cmd *cmd; | |
1470 | ||
1471 | cmd = (struct qeth_ipa_cmd *) data; | |
1472 | if (cmd->hdr.return_code == 0) | |
1473 | memcpy(card->dev->dev_addr, | |
1474 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); | |
1475 | else | |
1833611d | 1476 | eth_random_addr(card->dev->dev_addr); |
4a71df50 FB |
1477 | |
1478 | return 0; | |
1479 | } | |
1480 | ||
1481 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
1482 | { | |
1483 | int rc = 0; | |
1484 | struct qeth_cmd_buffer *iob; | |
1485 | struct qeth_ipa_cmd *cmd; | |
1486 | ||
d11ba0c4 | 1487 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
4a71df50 FB |
1488 | |
1489 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1490 | QETH_PROT_IPV6); | |
1491 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1492 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1493 | card->info.unique_id; | |
1494 | ||
1495 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
1496 | NULL); | |
1497 | return rc; | |
1498 | } | |
1499 | ||
1500 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
1501 | struct qeth_reply *reply, unsigned long data) | |
1502 | { | |
1503 | struct qeth_ipa_cmd *cmd; | |
1504 | ||
1505 | cmd = (struct qeth_ipa_cmd *) data; | |
1506 | if (cmd->hdr.return_code == 0) | |
1507 | card->info.unique_id = *((__u16 *) | |
1508 | &cmd->data.create_destroy_addr.unique_id[6]); | |
1509 | else { | |
1510 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1511 | UNIQUE_ID_NOT_BY_CARD; | |
74eacdb9 FB |
1512 | dev_warn(&card->gdev->dev, "The network adapter failed to " |
1513 | "generate a unique ID\n"); | |
4a71df50 FB |
1514 | } |
1515 | return 0; | |
1516 | } | |
1517 | ||
1518 | static int qeth_l3_get_unique_id(struct qeth_card *card) | |
1519 | { | |
1520 | int rc = 0; | |
1521 | struct qeth_cmd_buffer *iob; | |
1522 | struct qeth_ipa_cmd *cmd; | |
1523 | ||
d11ba0c4 | 1524 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
4a71df50 FB |
1525 | |
1526 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1527 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1528 | UNIQUE_ID_NOT_BY_CARD; | |
1529 | return 0; | |
1530 | } | |
1531 | ||
1532 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1533 | QETH_PROT_IPV6); | |
1534 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1535 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1536 | card->info.unique_id; | |
1537 | ||
1538 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); | |
1539 | return rc; | |
1540 | } | |
1541 | ||
76b11f8e UB |
1542 | static int |
1543 | qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1544 | unsigned long data) | |
1545 | { | |
1546 | struct qeth_ipa_cmd *cmd; | |
1547 | __u16 rc; | |
1548 | ||
1549 | QETH_DBF_TEXT(SETUP, 2, "diastrcb"); | |
1550 | ||
1551 | cmd = (struct qeth_ipa_cmd *)data; | |
1552 | rc = cmd->hdr.return_code; | |
a959189a | 1553 | if (rc) |
847a50fd | 1554 | QETH_CARD_TEXT_(card, 2, "dxter%x", rc); |
76b11f8e UB |
1555 | switch (cmd->data.diagass.action) { |
1556 | case QETH_DIAGS_CMD_TRACE_QUERY: | |
1557 | break; | |
1558 | case QETH_DIAGS_CMD_TRACE_DISABLE: | |
a959189a UB |
1559 | switch (rc) { |
1560 | case 0: | |
1561 | case IPA_RC_INVALID_SUBCMD: | |
1562 | card->info.promisc_mode = SET_PROMISC_MODE_OFF; | |
1563 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1564 | "traffic analyzer is deactivated\n"); | |
1565 | break; | |
1566 | default: | |
1567 | break; | |
1568 | } | |
76b11f8e UB |
1569 | break; |
1570 | case QETH_DIAGS_CMD_TRACE_ENABLE: | |
a959189a UB |
1571 | switch (rc) { |
1572 | case 0: | |
1573 | card->info.promisc_mode = SET_PROMISC_MODE_ON; | |
1574 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1575 | "traffic analyzer is activated\n"); | |
1576 | break; | |
1577 | case IPA_RC_HARDWARE_AUTH_ERROR: | |
1578 | dev_warn(&card->gdev->dev, "The device is not " | |
1579 | "authorized to run as a HiperSockets network " | |
1580 | "traffic analyzer\n"); | |
1581 | break; | |
1582 | case IPA_RC_TRACE_ALREADY_ACTIVE: | |
1583 | dev_warn(&card->gdev->dev, "A HiperSockets " | |
1584 | "network traffic analyzer is already " | |
1585 | "active in the HiperSockets LAN\n"); | |
1586 | break; | |
1587 | default: | |
1588 | break; | |
1589 | } | |
76b11f8e UB |
1590 | break; |
1591 | default: | |
1592 | QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n", | |
1593 | cmd->data.diagass.action, QETH_CARD_IFNAME(card)); | |
1594 | } | |
1595 | ||
1596 | return 0; | |
1597 | } | |
1598 | ||
1599 | static int | |
1600 | qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) | |
1601 | { | |
1602 | struct qeth_cmd_buffer *iob; | |
1603 | struct qeth_ipa_cmd *cmd; | |
1604 | ||
1605 | QETH_DBF_TEXT(SETUP, 2, "diagtrac"); | |
1606 | ||
1607 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
1608 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1609 | cmd->data.diagass.subcmd_len = 16; | |
1610 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE; | |
1611 | cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET; | |
1612 | cmd->data.diagass.action = diags_cmd; | |
1613 | return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL); | |
1614 | } | |
1615 | ||
4a71df50 FB |
1616 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, |
1617 | struct net_device *dev) | |
1618 | { | |
1abd2296 | 1619 | ip_eth_mc_map(ipm, mac); |
4a71df50 FB |
1620 | } |
1621 | ||
1622 | static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
1623 | { | |
1624 | struct qeth_ipaddr *ipm; | |
1625 | struct ip_mc_list *im4; | |
1626 | char buf[MAX_ADDR_LEN]; | |
1627 | ||
847a50fd | 1628 | QETH_CARD_TEXT(card, 4, "addmc"); |
f3aa3136 SS |
1629 | for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; |
1630 | im4 = rcu_dereference(im4->next_rcu)) { | |
4a71df50 FB |
1631 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); |
1632 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1633 | if (!ipm) | |
1634 | continue; | |
1635 | ipm->u.a4.addr = im4->multiaddr; | |
1636 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1637 | ipm->is_multicast = 1; | |
1638 | if (!qeth_l3_add_ip(card, ipm)) | |
1639 | kfree(ipm); | |
1640 | } | |
1641 | } | |
1642 | ||
1643 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) | |
1644 | { | |
1645 | struct in_device *in_dev; | |
7ff0bcf6 | 1646 | u16 vid; |
4a71df50 | 1647 | |
847a50fd | 1648 | QETH_CARD_TEXT(card, 4, "addmcvl"); |
7ff0bcf6 | 1649 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1650 | return; |
1651 | ||
7ff0bcf6 JP |
1652 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1653 | struct net_device *netdev; | |
1654 | ||
1655 | rcu_read_lock(); | |
1656 | netdev = __vlan_find_dev_deep(card->dev, vid); | |
1657 | rcu_read_unlock(); | |
4a71df50 FB |
1658 | if (netdev == NULL || |
1659 | !(netdev->flags & IFF_UP)) | |
1660 | continue; | |
1661 | in_dev = in_dev_get(netdev); | |
1662 | if (!in_dev) | |
1663 | continue; | |
f3aa3136 | 1664 | rcu_read_lock(); |
4a71df50 | 1665 | qeth_l3_add_mc(card, in_dev); |
f3aa3136 | 1666 | rcu_read_unlock(); |
4a71df50 FB |
1667 | in_dev_put(in_dev); |
1668 | } | |
1669 | } | |
1670 | ||
1671 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) | |
1672 | { | |
1673 | struct in_device *in4_dev; | |
1674 | ||
847a50fd | 1675 | QETH_CARD_TEXT(card, 4, "chkmcv4"); |
4a71df50 FB |
1676 | in4_dev = in_dev_get(card->dev); |
1677 | if (in4_dev == NULL) | |
1678 | return; | |
f3aa3136 | 1679 | rcu_read_lock(); |
4a71df50 FB |
1680 | qeth_l3_add_mc(card, in4_dev); |
1681 | qeth_l3_add_vlan_mc(card); | |
f3aa3136 | 1682 | rcu_read_unlock(); |
4a71df50 FB |
1683 | in_dev_put(in4_dev); |
1684 | } | |
1685 | ||
1686 | #ifdef CONFIG_QETH_IPV6 | |
1687 | static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
1688 | { | |
1689 | struct qeth_ipaddr *ipm; | |
1690 | struct ifmcaddr6 *im6; | |
1691 | char buf[MAX_ADDR_LEN]; | |
1692 | ||
847a50fd | 1693 | QETH_CARD_TEXT(card, 4, "addmc6"); |
4a71df50 FB |
1694 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
1695 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
1696 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1697 | if (!ipm) | |
1698 | continue; | |
1699 | ipm->is_multicast = 1; | |
1700 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1701 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, | |
1702 | sizeof(struct in6_addr)); | |
1703 | if (!qeth_l3_add_ip(card, ipm)) | |
1704 | kfree(ipm); | |
1705 | } | |
1706 | } | |
1707 | ||
1708 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) | |
1709 | { | |
1710 | struct inet6_dev *in_dev; | |
7ff0bcf6 | 1711 | u16 vid; |
4a71df50 | 1712 | |
847a50fd | 1713 | QETH_CARD_TEXT(card, 4, "admc6vl"); |
7ff0bcf6 | 1714 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1715 | return; |
1716 | ||
7ff0bcf6 JP |
1717 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1718 | struct net_device *netdev; | |
1719 | ||
1720 | netdev = __vlan_find_dev_deep(card->dev, vid); | |
4a71df50 FB |
1721 | if (netdev == NULL || |
1722 | !(netdev->flags & IFF_UP)) | |
1723 | continue; | |
1724 | in_dev = in6_dev_get(netdev); | |
1725 | if (!in_dev) | |
1726 | continue; | |
1727 | read_lock_bh(&in_dev->lock); | |
1728 | qeth_l3_add_mc6(card, in_dev); | |
1729 | read_unlock_bh(&in_dev->lock); | |
1730 | in6_dev_put(in_dev); | |
1731 | } | |
1732 | } | |
1733 | ||
1734 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) | |
1735 | { | |
1736 | struct inet6_dev *in6_dev; | |
1737 | ||
847a50fd | 1738 | QETH_CARD_TEXT(card, 4, "chkmcv6"); |
4a71df50 FB |
1739 | if (!qeth_is_supported(card, IPA_IPV6)) |
1740 | return ; | |
1741 | in6_dev = in6_dev_get(card->dev); | |
1742 | if (in6_dev == NULL) | |
1743 | return; | |
1744 | read_lock_bh(&in6_dev->lock); | |
1745 | qeth_l3_add_mc6(card, in6_dev); | |
1746 | qeth_l3_add_vlan_mc6(card); | |
1747 | read_unlock_bh(&in6_dev->lock); | |
1748 | in6_dev_put(in6_dev); | |
1749 | } | |
1750 | #endif /* CONFIG_QETH_IPV6 */ | |
1751 | ||
1752 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, | |
1753 | unsigned short vid) | |
1754 | { | |
1755 | struct in_device *in_dev; | |
1756 | struct in_ifaddr *ifa; | |
1757 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1758 | struct net_device *netdev; |
4a71df50 | 1759 | |
847a50fd | 1760 | QETH_CARD_TEXT(card, 4, "frvaddr4"); |
4a71df50 | 1761 | |
7ff0bcf6 | 1762 | netdev = __vlan_find_dev_deep(card->dev, vid); |
eabfbe62 | 1763 | if (!netdev) |
1764 | return; | |
7ff0bcf6 | 1765 | in_dev = in_dev_get(netdev); |
4a71df50 FB |
1766 | if (!in_dev) |
1767 | return; | |
1768 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
1769 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1770 | if (addr) { | |
1771 | addr->u.a4.addr = ifa->ifa_address; | |
1772 | addr->u.a4.mask = ifa->ifa_mask; | |
1773 | addr->type = QETH_IP_TYPE_NORMAL; | |
1774 | if (!qeth_l3_delete_ip(card, addr)) | |
1775 | kfree(addr); | |
1776 | } | |
1777 | } | |
1778 | in_dev_put(in_dev); | |
1779 | } | |
1780 | ||
1781 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, | |
1782 | unsigned short vid) | |
1783 | { | |
1784 | #ifdef CONFIG_QETH_IPV6 | |
1785 | struct inet6_dev *in6_dev; | |
1786 | struct inet6_ifaddr *ifa; | |
1787 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1788 | struct net_device *netdev; |
4a71df50 | 1789 | |
847a50fd | 1790 | QETH_CARD_TEXT(card, 4, "frvaddr6"); |
4a71df50 | 1791 | |
7ff0bcf6 | 1792 | netdev = __vlan_find_dev_deep(card->dev, vid); |
eabfbe62 | 1793 | if (!netdev) |
1794 | return; | |
7ff0bcf6 | 1795 | in6_dev = in6_dev_get(netdev); |
4a71df50 FB |
1796 | if (!in6_dev) |
1797 | return; | |
70f60a22 | 1798 | list_for_each_entry(ifa, &in6_dev->addr_list, if_list) { |
4a71df50 FB |
1799 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
1800 | if (addr) { | |
1801 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
1802 | sizeof(struct in6_addr)); | |
1803 | addr->u.a6.pfxlen = ifa->prefix_len; | |
1804 | addr->type = QETH_IP_TYPE_NORMAL; | |
1805 | if (!qeth_l3_delete_ip(card, addr)) | |
1806 | kfree(addr); | |
1807 | } | |
1808 | } | |
1809 | in6_dev_put(in6_dev); | |
1810 | #endif /* CONFIG_QETH_IPV6 */ | |
1811 | } | |
1812 | ||
1813 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, | |
1814 | unsigned short vid) | |
1815 | { | |
4a71df50 FB |
1816 | qeth_l3_free_vlan_addresses4(card, vid); |
1817 | qeth_l3_free_vlan_addresses6(card, vid); | |
1818 | } | |
1819 | ||
8e586137 | 1820 | static int qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) |
4a71df50 | 1821 | { |
509e2562 | 1822 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 1823 | |
7ff0bcf6 | 1824 | set_bit(vid, card->active_vlans); |
8e586137 | 1825 | return 0; |
4a71df50 FB |
1826 | } |
1827 | ||
8e586137 | 1828 | static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
4a71df50 | 1829 | { |
509e2562 | 1830 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
1831 | unsigned long flags; |
1832 | ||
847a50fd | 1833 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
8e98ac48 | 1834 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 1835 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e586137 | 1836 | return 0; |
8e98ac48 | 1837 | } |
4a71df50 FB |
1838 | spin_lock_irqsave(&card->vlanlock, flags); |
1839 | /* unregister IP addresses of vlan device */ | |
1840 | qeth_l3_free_vlan_addresses(card, vid); | |
7ff0bcf6 | 1841 | clear_bit(vid, card->active_vlans); |
4a71df50 FB |
1842 | spin_unlock_irqrestore(&card->vlanlock, flags); |
1843 | qeth_l3_set_multicast_list(card->dev); | |
8e586137 | 1844 | return 0; |
4a71df50 FB |
1845 | } |
1846 | ||
10651db7 UB |
1847 | static inline int qeth_l3_rebuild_skb(struct qeth_card *card, |
1848 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
1849 | unsigned short *vlan_id) | |
4a71df50 | 1850 | { |
4a71df50 FB |
1851 | __be16 prot; |
1852 | struct iphdr *ip_hdr; | |
1853 | unsigned char tg_addr[MAX_ADDR_LEN]; | |
10651db7 | 1854 | int is_vlan = 0; |
4a71df50 FB |
1855 | |
1856 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { | |
1857 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
1858 | ETH_P_IP); | |
1859 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { | |
1860 | case QETH_CAST_MULTICAST: | |
1861 | switch (prot) { | |
1862 | #ifdef CONFIG_QETH_IPV6 | |
1863 | case __constant_htons(ETH_P_IPV6): | |
1864 | ndisc_mc_map((struct in6_addr *) | |
1865 | skb->data + 24, | |
1866 | tg_addr, card->dev, 0); | |
1867 | break; | |
1868 | #endif | |
1869 | case __constant_htons(ETH_P_IP): | |
1870 | ip_hdr = (struct iphdr *)skb->data; | |
4a71df50 FB |
1871 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); |
1872 | break; | |
1873 | default: | |
1874 | memcpy(tg_addr, card->dev->broadcast, | |
1875 | card->dev->addr_len); | |
1876 | } | |
1877 | card->stats.multicast++; | |
1878 | skb->pkt_type = PACKET_MULTICAST; | |
1879 | break; | |
1880 | case QETH_CAST_BROADCAST: | |
1881 | memcpy(tg_addr, card->dev->broadcast, | |
1882 | card->dev->addr_len); | |
1883 | card->stats.multicast++; | |
1884 | skb->pkt_type = PACKET_BROADCAST; | |
1885 | break; | |
1886 | case QETH_CAST_UNICAST: | |
1887 | case QETH_CAST_ANYCAST: | |
1888 | case QETH_CAST_NOCAST: | |
1889 | default: | |
76b11f8e UB |
1890 | if (card->options.sniffer) |
1891 | skb->pkt_type = PACKET_OTHERHOST; | |
1892 | else | |
1893 | skb->pkt_type = PACKET_HOST; | |
4a71df50 FB |
1894 | memcpy(tg_addr, card->dev->dev_addr, |
1895 | card->dev->addr_len); | |
1896 | } | |
fe94e2e0 UB |
1897 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) |
1898 | card->dev->header_ops->create(skb, card->dev, prot, | |
1899 | tg_addr, &hdr->hdr.l3.dest_addr[2], | |
1900 | card->dev->addr_len); | |
1901 | else | |
1902 | card->dev->header_ops->create(skb, card->dev, prot, | |
1903 | tg_addr, "FAKELL", card->dev->addr_len); | |
4a71df50 FB |
1904 | } |
1905 | ||
1abd2296 | 1906 | skb->protocol = eth_type_trans(skb, card->dev); |
4a71df50 FB |
1907 | |
1908 | if (hdr->hdr.l3.ext_flags & | |
1909 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
10651db7 | 1910 | *vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ? |
4a71df50 | 1911 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); |
10651db7 | 1912 | is_vlan = 1; |
4a71df50 FB |
1913 | } |
1914 | ||
c5e631a8 | 1915 | if (card->dev->features & NETIF_F_RXCSUM) { |
4a71df50 | 1916 | if ((hdr->hdr.l3.ext_flags & |
b9139800 UB |
1917 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
1918 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
1919 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
1920 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) | |
4a71df50 FB |
1921 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
1922 | else | |
b9139800 | 1923 | skb->ip_summed = CHECKSUM_NONE; |
c5e631a8 FB |
1924 | } else |
1925 | skb->ip_summed = CHECKSUM_NONE; | |
4a71df50 | 1926 | |
10651db7 | 1927 | return is_vlan; |
4a71df50 FB |
1928 | } |
1929 | ||
a1c3ed4c FB |
1930 | static int qeth_l3_process_inbound_buffer(struct qeth_card *card, |
1931 | int budget, int *done) | |
4a71df50 | 1932 | { |
a1c3ed4c | 1933 | int work_done = 0; |
4a71df50 FB |
1934 | struct sk_buff *skb; |
1935 | struct qeth_hdr *hdr; | |
4a71df50 | 1936 | __u16 vlan_tag = 0; |
10651db7 | 1937 | int is_vlan; |
4a71df50 | 1938 | unsigned int len; |
b3332930 | 1939 | __u16 magic; |
4a71df50 | 1940 | |
a1c3ed4c FB |
1941 | *done = 0; |
1942 | BUG_ON(!budget); | |
1943 | while (budget) { | |
1944 | skb = qeth_core_get_next_skb(card, | |
b3332930 | 1945 | &card->qdio.in_q->bufs[card->rx.b_index], |
a1c3ed4c FB |
1946 | &card->rx.b_element, &card->rx.e_offset, &hdr); |
1947 | if (!skb) { | |
1948 | *done = 1; | |
1949 | break; | |
1950 | } | |
1951 | skb->dev = card->dev; | |
4a71df50 FB |
1952 | switch (hdr->hdr.l3.id) { |
1953 | case QETH_HEADER_TYPE_LAYER3: | |
b3332930 FB |
1954 | magic = *(__u16 *)skb->data; |
1955 | if ((card->info.type == QETH_CARD_TYPE_IQD) && | |
1956 | (magic == ETH_P_AF_IUCV)) { | |
1957 | skb->protocol = ETH_P_AF_IUCV; | |
1958 | skb->pkt_type = PACKET_HOST; | |
1959 | skb->mac_header = NET_SKB_PAD; | |
1960 | skb->dev = card->dev; | |
1961 | len = skb->len; | |
1962 | card->dev->header_ops->create(skb, card->dev, 0, | |
1963 | card->dev->dev_addr, "FAKELL", | |
1964 | card->dev->addr_len); | |
1965 | netif_receive_skb(skb); | |
1966 | } else { | |
1967 | is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, | |
10651db7 | 1968 | &vlan_tag); |
b3332930 FB |
1969 | len = skb->len; |
1970 | if (is_vlan && !card->options.sniffer) | |
1971 | __vlan_hwaccel_put_tag(skb, vlan_tag); | |
1972 | napi_gro_receive(&card->napi, skb); | |
1973 | } | |
4a71df50 | 1974 | break; |
76b11f8e UB |
1975 | case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */ |
1976 | skb->pkt_type = PACKET_HOST; | |
1977 | skb->protocol = eth_type_trans(skb, skb->dev); | |
76b11f8e UB |
1978 | len = skb->len; |
1979 | netif_receive_skb(skb); | |
1980 | break; | |
4a71df50 FB |
1981 | default: |
1982 | dev_kfree_skb_any(skb); | |
847a50fd | 1983 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 1984 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
1985 | continue; |
1986 | } | |
a1c3ed4c FB |
1987 | work_done++; |
1988 | budget--; | |
4a71df50 FB |
1989 | card->stats.rx_packets++; |
1990 | card->stats.rx_bytes += len; | |
1991 | } | |
a1c3ed4c FB |
1992 | return work_done; |
1993 | } | |
1994 | ||
1995 | static int qeth_l3_poll(struct napi_struct *napi, int budget) | |
1996 | { | |
1997 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
1998 | int work_done = 0; | |
1999 | struct qeth_qdio_buffer *buffer; | |
2000 | int done; | |
2001 | int new_budget = budget; | |
2002 | ||
2003 | if (card->options.performance_stats) { | |
2004 | card->perf_stats.inbound_cnt++; | |
2005 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
2006 | } | |
2007 | ||
2008 | while (1) { | |
2009 | if (!card->rx.b_count) { | |
2010 | card->rx.qdio_err = 0; | |
2011 | card->rx.b_count = qdio_get_next_buffers( | |
2012 | card->data.ccwdev, 0, &card->rx.b_index, | |
2013 | &card->rx.qdio_err); | |
2014 | if (card->rx.b_count <= 0) { | |
2015 | card->rx.b_count = 0; | |
2016 | break; | |
2017 | } | |
2018 | card->rx.b_element = | |
2019 | &card->qdio.in_q->bufs[card->rx.b_index] | |
2020 | .buffer->element[0]; | |
2021 | card->rx.e_offset = 0; | |
2022 | } | |
2023 | ||
2024 | while (card->rx.b_count) { | |
2025 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
2026 | if (!(card->rx.qdio_err && | |
2027 | qeth_check_qdio_errors(card, buffer->buffer, | |
2028 | card->rx.qdio_err, "qinerr"))) | |
2029 | work_done += qeth_l3_process_inbound_buffer( | |
2030 | card, new_budget, &done); | |
2031 | else | |
2032 | done = 1; | |
2033 | ||
2034 | if (done) { | |
2035 | if (card->options.performance_stats) | |
2036 | card->perf_stats.bufs_rec++; | |
2037 | qeth_put_buffer_pool_entry(card, | |
2038 | buffer->pool_entry); | |
2039 | qeth_queue_input_buffer(card, card->rx.b_index); | |
2040 | card->rx.b_count--; | |
2041 | if (card->rx.b_count) { | |
2042 | card->rx.b_index = | |
2043 | (card->rx.b_index + 1) % | |
2044 | QDIO_MAX_BUFFERS_PER_Q; | |
2045 | card->rx.b_element = | |
2046 | &card->qdio.in_q | |
2047 | ->bufs[card->rx.b_index] | |
2048 | .buffer->element[0]; | |
2049 | card->rx.e_offset = 0; | |
2050 | } | |
2051 | } | |
2052 | ||
2053 | if (work_done >= budget) | |
2054 | goto out; | |
2055 | else | |
2056 | new_budget = budget - work_done; | |
2057 | } | |
2058 | } | |
2059 | ||
2060 | napi_complete(napi); | |
2061 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
2062 | napi_schedule(&card->napi); | |
2063 | out: | |
2064 | if (card->options.performance_stats) | |
2065 | card->perf_stats.inbound_time += qeth_get_micros() - | |
2066 | card->perf_stats.inbound_start_time; | |
2067 | return work_done; | |
4a71df50 FB |
2068 | } |
2069 | ||
2070 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, | |
2071 | struct qeth_card *card) | |
2072 | { | |
2073 | int rc = 0; | |
7ff0bcf6 | 2074 | u16 vid; |
4a71df50 | 2075 | |
7ff0bcf6 JP |
2076 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
2077 | struct net_device *netdev; | |
4a71df50 | 2078 | |
7ff0bcf6 | 2079 | rcu_read_lock(); |
6d8823db | 2080 | netdev = __vlan_find_dev_deep(card->dev, vid); |
7ff0bcf6 JP |
2081 | rcu_read_unlock(); |
2082 | if (netdev == dev) { | |
4a71df50 FB |
2083 | rc = QETH_VLAN_CARD; |
2084 | break; | |
2085 | } | |
2086 | } | |
2087 | ||
509e2562 | 2088 | if (rc && !(vlan_dev_real_dev(dev)->ml_priv == (void *)card)) |
4a71df50 FB |
2089 | return 0; |
2090 | ||
2091 | return rc; | |
2092 | } | |
2093 | ||
2094 | static int qeth_l3_verify_dev(struct net_device *dev) | |
2095 | { | |
2096 | struct qeth_card *card; | |
2097 | unsigned long flags; | |
2098 | int rc = 0; | |
2099 | ||
2100 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
2101 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
2102 | if (card->dev == dev) { | |
2103 | rc = QETH_REAL_CARD; | |
2104 | break; | |
2105 | } | |
2106 | rc = qeth_l3_verify_vlan_dev(dev, card); | |
2107 | if (rc) | |
2108 | break; | |
2109 | } | |
2110 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
2111 | ||
2112 | return rc; | |
2113 | } | |
2114 | ||
2115 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) | |
2116 | { | |
2117 | struct qeth_card *card = NULL; | |
2118 | int rc; | |
2119 | ||
2120 | rc = qeth_l3_verify_dev(dev); | |
2121 | if (rc == QETH_REAL_CARD) | |
509e2562 | 2122 | card = dev->ml_priv; |
4a71df50 | 2123 | else if (rc == QETH_VLAN_CARD) |
509e2562 | 2124 | card = vlan_dev_real_dev(dev)->ml_priv; |
e5bd7be5 | 2125 | if (card && card->options.layer2) |
4a71df50 | 2126 | card = NULL; |
847a50fd CO |
2127 | if (card) |
2128 | QETH_CARD_TEXT_(card, 4, "%d", rc); | |
4a71df50 FB |
2129 | return card ; |
2130 | } | |
2131 | ||
2132 | static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) | |
2133 | { | |
2134 | int rc = 0; | |
2135 | ||
d11ba0c4 PT |
2136 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
2137 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
2138 | |
2139 | qeth_set_allowed_threads(card, 0, 1); | |
76b11f8e UB |
2140 | if (card->options.sniffer && |
2141 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) | |
2142 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); | |
4a71df50 FB |
2143 | if (card->read.state == CH_STATE_UP && |
2144 | card->write.state == CH_STATE_UP && | |
2145 | (card->state == CARD_STATE_UP)) { | |
2146 | if (recovery_mode) | |
2147 | qeth_l3_stop(card->dev); | |
8af7c5ae | 2148 | else { |
869da90b UB |
2149 | rtnl_lock(); |
2150 | dev_close(card->dev); | |
2151 | rtnl_unlock(); | |
8af7c5ae | 2152 | } |
4a71df50 FB |
2153 | card->state = CARD_STATE_SOFTSETUP; |
2154 | } | |
2155 | if (card->state == CARD_STATE_SOFTSETUP) { | |
70919e23 | 2156 | qeth_l3_clear_ip_list(card, 1); |
4a71df50 FB |
2157 | qeth_clear_ipacmd_list(card); |
2158 | card->state = CARD_STATE_HARDSETUP; | |
2159 | } | |
2160 | if (card->state == CARD_STATE_HARDSETUP) { | |
4a71df50 FB |
2161 | qeth_qdio_clear_card(card, 0); |
2162 | qeth_clear_qdio_buffers(card); | |
2163 | qeth_clear_working_pool_list(card); | |
2164 | card->state = CARD_STATE_DOWN; | |
2165 | } | |
2166 | if (card->state == CARD_STATE_DOWN) { | |
2167 | qeth_clear_cmd_buffers(&card->read); | |
2168 | qeth_clear_cmd_buffers(&card->write); | |
2169 | } | |
4a71df50 FB |
2170 | return rc; |
2171 | } | |
2172 | ||
76b11f8e UB |
2173 | /* |
2174 | * test for and Switch promiscuous mode (on or off) | |
2175 | * either for guestlan or HiperSocket Sniffer | |
2176 | */ | |
2177 | static void | |
2178 | qeth_l3_handle_promisc_mode(struct qeth_card *card) | |
2179 | { | |
2180 | struct net_device *dev = card->dev; | |
2181 | ||
2182 | if (((dev->flags & IFF_PROMISC) && | |
2183 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
2184 | (!(dev->flags & IFF_PROMISC) && | |
2185 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
2186 | return; | |
2187 | ||
2188 | if (card->info.guestlan) { /* Guestlan trace */ | |
2189 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2190 | qeth_setadp_promisc_mode(card); | |
2191 | } else if (card->options.sniffer && /* HiperSockets trace */ | |
2192 | qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) { | |
2193 | if (dev->flags & IFF_PROMISC) { | |
847a50fd | 2194 | QETH_CARD_TEXT(card, 3, "+promisc"); |
76b11f8e UB |
2195 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE); |
2196 | } else { | |
847a50fd | 2197 | QETH_CARD_TEXT(card, 3, "-promisc"); |
76b11f8e UB |
2198 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); |
2199 | } | |
2200 | } | |
2201 | } | |
2202 | ||
4a71df50 FB |
2203 | static void qeth_l3_set_multicast_list(struct net_device *dev) |
2204 | { | |
509e2562 | 2205 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 2206 | |
847a50fd | 2207 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
2208 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
2209 | (card->state != CARD_STATE_UP)) | |
2210 | return; | |
76b11f8e UB |
2211 | if (!card->options.sniffer) { |
2212 | qeth_l3_delete_mc_addresses(card); | |
2213 | qeth_l3_add_multicast_ipv4(card); | |
4a71df50 | 2214 | #ifdef CONFIG_QETH_IPV6 |
76b11f8e | 2215 | qeth_l3_add_multicast_ipv6(card); |
4a71df50 | 2216 | #endif |
76b11f8e UB |
2217 | qeth_l3_set_ip_addr_list(card); |
2218 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2219 | return; | |
2220 | } | |
2221 | qeth_l3_handle_promisc_mode(card); | |
4a71df50 FB |
2222 | } |
2223 | ||
2224 | static const char *qeth_l3_arp_get_error_cause(int *rc) | |
2225 | { | |
2226 | switch (*rc) { | |
2227 | case QETH_IPA_ARP_RC_FAILED: | |
2228 | *rc = -EIO; | |
2229 | return "operation failed"; | |
2230 | case QETH_IPA_ARP_RC_NOTSUPP: | |
2231 | *rc = -EOPNOTSUPP; | |
2232 | return "operation not supported"; | |
2233 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
2234 | *rc = -EINVAL; | |
2235 | return "argument out of range"; | |
2236 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
2237 | *rc = -EOPNOTSUPP; | |
2238 | return "query operation not supported"; | |
2239 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
2240 | *rc = -ENOENT; | |
2241 | return "no query data available"; | |
2242 | default: | |
2243 | return "unknown error"; | |
2244 | } | |
2245 | } | |
2246 | ||
2247 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
2248 | { | |
2249 | int tmp; | |
2250 | int rc; | |
2251 | ||
847a50fd | 2252 | QETH_CARD_TEXT(card, 3, "arpstnoe"); |
4a71df50 FB |
2253 | |
2254 | /* | |
2255 | * currently GuestLAN only supports the ARP assist function | |
2256 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
2257 | * thus we say EOPNOTSUPP for this ARP function | |
2258 | */ | |
2259 | if (card->info.guestlan) | |
2260 | return -EOPNOTSUPP; | |
2261 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2262 | return -EOPNOTSUPP; |
2263 | } | |
2264 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2265 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, | |
2266 | no_entries); | |
2267 | if (rc) { | |
2268 | tmp = rc; | |
14cc21b6 FB |
2269 | QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on " |
2270 | "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2271 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2272 | } | |
2273 | return rc; | |
2274 | } | |
2275 | ||
d0ddf30f EL |
2276 | static __u32 get_arp_entry_size(struct qeth_card *card, |
2277 | struct qeth_arp_query_data *qdata, | |
2278 | struct qeth_arp_entrytype *type, __u8 strip_entries) | |
4a71df50 | 2279 | { |
d0ddf30f EL |
2280 | __u32 rc; |
2281 | __u8 is_hsi; | |
4a71df50 | 2282 | |
d0ddf30f EL |
2283 | is_hsi = qdata->reply_bits == 5; |
2284 | if (type->ip == QETHARP_IP_ADDR_V4) { | |
2285 | QETH_CARD_TEXT(card, 4, "arpev4"); | |
2286 | if (strip_entries) { | |
2287 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : | |
2288 | sizeof(struct qeth_arp_qi_entry7_short); | |
2289 | } else { | |
2290 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : | |
2291 | sizeof(struct qeth_arp_qi_entry7); | |
2292 | } | |
2293 | } else if (type->ip == QETHARP_IP_ADDR_V6) { | |
2294 | QETH_CARD_TEXT(card, 4, "arpev6"); | |
2295 | if (strip_entries) { | |
2296 | rc = is_hsi ? | |
2297 | sizeof(struct qeth_arp_qi_entry5_short_ipv6) : | |
2298 | sizeof(struct qeth_arp_qi_entry7_short_ipv6); | |
2299 | } else { | |
2300 | rc = is_hsi ? | |
2301 | sizeof(struct qeth_arp_qi_entry5_ipv6) : | |
2302 | sizeof(struct qeth_arp_qi_entry7_ipv6); | |
2303 | } | |
2304 | } else { | |
2305 | QETH_CARD_TEXT(card, 4, "arpinv"); | |
2306 | rc = 0; | |
4a71df50 | 2307 | } |
d0ddf30f EL |
2308 | |
2309 | return rc; | |
2310 | } | |
2311 | ||
2312 | static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) | |
2313 | { | |
2314 | return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || | |
2315 | (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); | |
4a71df50 FB |
2316 | } |
2317 | ||
2318 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
2319 | struct qeth_reply *reply, unsigned long data) | |
2320 | { | |
2321 | struct qeth_ipa_cmd *cmd; | |
2322 | struct qeth_arp_query_data *qdata; | |
2323 | struct qeth_arp_query_info *qinfo; | |
4a71df50 | 2324 | int i; |
d0ddf30f EL |
2325 | int e; |
2326 | int entrybytes_done; | |
2327 | int stripped_bytes; | |
2328 | __u8 do_strip_entries; | |
4a71df50 | 2329 | |
d0ddf30f | 2330 | QETH_CARD_TEXT(card, 3, "arpquecb"); |
4a71df50 FB |
2331 | |
2332 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
2333 | cmd = (struct qeth_ipa_cmd *) data; | |
d0ddf30f | 2334 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); |
4a71df50 | 2335 | if (cmd->hdr.return_code) { |
d0ddf30f EL |
2336 | QETH_CARD_TEXT(card, 4, "arpcberr"); |
2337 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2338 | return 0; |
2339 | } | |
2340 | if (cmd->data.setassparms.hdr.return_code) { | |
2341 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d0ddf30f EL |
2342 | QETH_CARD_TEXT(card, 4, "setaperr"); |
2343 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2344 | return 0; |
2345 | } | |
2346 | qdata = &cmd->data.setassparms.data.query_arp; | |
847a50fd | 2347 | QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); |
4a71df50 | 2348 | |
d0ddf30f EL |
2349 | do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; |
2350 | stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; | |
2351 | entrybytes_done = 0; | |
2352 | for (e = 0; e < qdata->no_entries; ++e) { | |
2353 | char *cur_entry; | |
2354 | __u32 esize; | |
2355 | struct qeth_arp_entrytype *etype; | |
2356 | ||
2357 | cur_entry = &qdata->data + entrybytes_done; | |
2358 | etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; | |
2359 | if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { | |
2360 | QETH_CARD_TEXT(card, 4, "pmis"); | |
2361 | QETH_CARD_TEXT_(card, 4, "%i", etype->ip); | |
2362 | break; | |
2363 | } | |
2364 | esize = get_arp_entry_size(card, qdata, etype, | |
2365 | do_strip_entries); | |
2366 | QETH_CARD_TEXT_(card, 5, "esz%i", esize); | |
2367 | if (!esize) | |
2368 | break; | |
2369 | ||
2370 | if ((qinfo->udata_len - qinfo->udata_offset) < esize) { | |
2371 | QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); | |
e0a8114c | 2372 | cmd->hdr.return_code = IPA_RC_ENOMEM; |
d0ddf30f EL |
2373 | goto out_error; |
2374 | } | |
4a71df50 | 2375 | |
d0ddf30f EL |
2376 | memcpy(qinfo->udata + qinfo->udata_offset, |
2377 | &qdata->data + entrybytes_done + stripped_bytes, | |
2378 | esize); | |
2379 | entrybytes_done += esize + stripped_bytes; | |
2380 | qinfo->udata_offset += esize; | |
2381 | ++qinfo->no_entries; | |
2382 | } | |
4a71df50 FB |
2383 | /* check if all replies received ... */ |
2384 | if (cmd->data.setassparms.hdr.seq_no < | |
2385 | cmd->data.setassparms.hdr.number_of_replies) | |
2386 | return 1; | |
d0ddf30f | 2387 | QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); |
4a71df50 FB |
2388 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
2389 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
2390 | * stripped entries from normal ones */ | |
2391 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2392 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
2393 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
d0ddf30f | 2394 | QETH_CARD_TEXT_(card, 4, "rc%i", 0); |
4a71df50 FB |
2395 | return 0; |
2396 | out_error: | |
2397 | i = 0; | |
2398 | memcpy(qinfo->udata, &i, 4); | |
2399 | return 0; | |
2400 | } | |
2401 | ||
2402 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, | |
2403 | struct qeth_cmd_buffer *iob, int len, | |
2404 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
2405 | unsigned long), | |
2406 | void *reply_param) | |
2407 | { | |
847a50fd | 2408 | QETH_CARD_TEXT(card, 4, "sendarp"); |
4a71df50 FB |
2409 | |
2410 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2411 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2412 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2413 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
2414 | reply_cb, reply_param); | |
2415 | } | |
2416 | ||
d0ddf30f EL |
2417 | static int qeth_l3_query_arp_cache_info(struct qeth_card *card, |
2418 | enum qeth_prot_versions prot, | |
2419 | struct qeth_arp_query_info *qinfo) | |
4a71df50 FB |
2420 | { |
2421 | struct qeth_cmd_buffer *iob; | |
d0ddf30f | 2422 | struct qeth_ipa_cmd *cmd; |
4a71df50 FB |
2423 | int tmp; |
2424 | int rc; | |
2425 | ||
d0ddf30f EL |
2426 | QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); |
2427 | ||
2428 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2429 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
2430 | sizeof(struct qeth_arp_query_data) - sizeof(char), | |
2431 | prot); | |
2432 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2433 | cmd->data.setassparms.data.query_arp.request_bits = 0x000F; | |
2434 | cmd->data.setassparms.data.query_arp.reply_bits = 0; | |
2435 | cmd->data.setassparms.data.query_arp.no_entries = 0; | |
2436 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, | |
2437 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
2438 | qeth_l3_arp_query_cb, (void *)qinfo); | |
2439 | if (rc) { | |
2440 | tmp = rc; | |
2441 | QETH_DBF_MESSAGE(2, | |
2442 | "Error while querying ARP cache on %s: %s " | |
2443 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2444 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2445 | } | |
2446 | ||
2447 | return rc; | |
2448 | } | |
2449 | ||
2450 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
2451 | { | |
2452 | struct qeth_arp_query_info qinfo = {0, }; | |
2453 | int rc; | |
2454 | ||
847a50fd | 2455 | QETH_CARD_TEXT(card, 3, "arpquery"); |
4a71df50 FB |
2456 | |
2457 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
2458 | IPA_ARP_PROCESSING)) { | |
d0ddf30f EL |
2459 | QETH_CARD_TEXT(card, 3, "arpqnsup"); |
2460 | rc = -EOPNOTSUPP; | |
2461 | goto out; | |
4a71df50 FB |
2462 | } |
2463 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
d0ddf30f EL |
2464 | if (copy_from_user(&qinfo, udata, 6)) { |
2465 | rc = -EFAULT; | |
2466 | goto out; | |
2467 | } | |
4a71df50 | 2468 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
d0ddf30f EL |
2469 | if (!qinfo.udata) { |
2470 | rc = -ENOMEM; | |
2471 | goto out; | |
2472 | } | |
4a71df50 | 2473 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
d0ddf30f | 2474 | rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); |
4a71df50 | 2475 | if (rc) { |
4a71df50 FB |
2476 | if (copy_to_user(udata, qinfo.udata, 4)) |
2477 | rc = -EFAULT; | |
d0ddf30f | 2478 | goto free_and_out; |
4a71df50 | 2479 | } else { |
d0ddf30f EL |
2480 | #ifdef CONFIG_QETH_IPV6 |
2481 | if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { | |
2482 | /* fails in case of GuestLAN QDIO mode */ | |
2483 | qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, | |
2484 | &qinfo); | |
2485 | } | |
2486 | #endif | |
2487 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { | |
2488 | QETH_CARD_TEXT(card, 4, "qactf"); | |
4a71df50 | 2489 | rc = -EFAULT; |
d0ddf30f EL |
2490 | goto free_and_out; |
2491 | } | |
2492 | QETH_CARD_TEXT_(card, 4, "qacts"); | |
4a71df50 | 2493 | } |
d0ddf30f | 2494 | free_and_out: |
4a71df50 | 2495 | kfree(qinfo.udata); |
d0ddf30f | 2496 | out: |
4a71df50 FB |
2497 | return rc; |
2498 | } | |
2499 | ||
2500 | static int qeth_l3_arp_add_entry(struct qeth_card *card, | |
2501 | struct qeth_arp_cache_entry *entry) | |
2502 | { | |
2503 | struct qeth_cmd_buffer *iob; | |
2504 | char buf[16]; | |
2505 | int tmp; | |
2506 | int rc; | |
2507 | ||
847a50fd | 2508 | QETH_CARD_TEXT(card, 3, "arpadent"); |
4a71df50 FB |
2509 | |
2510 | /* | |
2511 | * currently GuestLAN only supports the ARP assist function | |
2512 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
2513 | * thus we say EOPNOTSUPP for this ARP function | |
2514 | */ | |
2515 | if (card->info.guestlan) | |
2516 | return -EOPNOTSUPP; | |
2517 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2518 | return -EOPNOTSUPP; |
2519 | } | |
2520 | ||
2521 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2522 | IPA_CMD_ASS_ARP_ADD_ENTRY, | |
2523 | sizeof(struct qeth_arp_cache_entry), | |
2524 | QETH_PROT_IPV4); | |
2525 | rc = qeth_l3_send_setassparms(card, iob, | |
2526 | sizeof(struct qeth_arp_cache_entry), | |
2527 | (unsigned long) entry, | |
2528 | qeth_l3_default_setassparms_cb, NULL); | |
2529 | if (rc) { | |
2530 | tmp = rc; | |
2531 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2532 | QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s " |
2533 | "on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2534 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2535 | } |
2536 | return rc; | |
2537 | } | |
2538 | ||
2539 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, | |
2540 | struct qeth_arp_cache_entry *entry) | |
2541 | { | |
2542 | struct qeth_cmd_buffer *iob; | |
2543 | char buf[16] = {0, }; | |
2544 | int tmp; | |
2545 | int rc; | |
2546 | ||
847a50fd | 2547 | QETH_CARD_TEXT(card, 3, "arprment"); |
4a71df50 FB |
2548 | |
2549 | /* | |
2550 | * currently GuestLAN only supports the ARP assist function | |
2551 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
2552 | * thus we say EOPNOTSUPP for this ARP function | |
2553 | */ | |
2554 | if (card->info.guestlan) | |
2555 | return -EOPNOTSUPP; | |
2556 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2557 | return -EOPNOTSUPP; |
2558 | } | |
2559 | memcpy(buf, entry, 12); | |
2560 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2561 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, | |
2562 | 12, | |
2563 | QETH_PROT_IPV4); | |
2564 | rc = qeth_l3_send_setassparms(card, iob, | |
2565 | 12, (unsigned long)buf, | |
2566 | qeth_l3_default_setassparms_cb, NULL); | |
2567 | if (rc) { | |
2568 | tmp = rc; | |
2569 | memset(buf, 0, 16); | |
2570 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2571 | QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s" |
2572 | " on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2573 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2574 | } |
2575 | return rc; | |
2576 | } | |
2577 | ||
2578 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
2579 | { | |
2580 | int rc; | |
2581 | int tmp; | |
2582 | ||
847a50fd | 2583 | QETH_CARD_TEXT(card, 3, "arpflush"); |
4a71df50 FB |
2584 | |
2585 | /* | |
2586 | * currently GuestLAN only supports the ARP assist function | |
2587 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
2588 | * thus we say EOPNOTSUPP for this ARP function | |
2589 | */ | |
2590 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) | |
2591 | return -EOPNOTSUPP; | |
2592 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2593 | return -EOPNOTSUPP; |
2594 | } | |
2595 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2596 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); | |
2597 | if (rc) { | |
2598 | tmp = rc; | |
14cc21b6 FB |
2599 | QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s " |
2600 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2601 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2602 | } | |
2603 | return rc; | |
2604 | } | |
2605 | ||
2606 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2607 | { | |
509e2562 | 2608 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2609 | struct qeth_arp_cache_entry arp_entry; |
2610 | struct mii_ioctl_data *mii_data; | |
2611 | int rc = 0; | |
2612 | ||
2613 | if (!card) | |
2614 | return -ENODEV; | |
2615 | ||
2616 | if ((card->state != CARD_STATE_UP) && | |
2617 | (card->state != CARD_STATE_SOFTSETUP)) | |
2618 | return -ENODEV; | |
2619 | ||
2620 | switch (cmd) { | |
2621 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
2622 | if (!capable(CAP_NET_ADMIN)) { | |
2623 | rc = -EPERM; | |
2624 | break; | |
2625 | } | |
2626 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
2627 | break; | |
2628 | case SIOC_QETH_ARP_QUERY_INFO: | |
2629 | if (!capable(CAP_NET_ADMIN)) { | |
2630 | rc = -EPERM; | |
2631 | break; | |
2632 | } | |
2633 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); | |
2634 | break; | |
2635 | case SIOC_QETH_ARP_ADD_ENTRY: | |
2636 | if (!capable(CAP_NET_ADMIN)) { | |
2637 | rc = -EPERM; | |
2638 | break; | |
2639 | } | |
2640 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2641 | sizeof(struct qeth_arp_cache_entry))) | |
2642 | rc = -EFAULT; | |
2643 | else | |
2644 | rc = qeth_l3_arp_add_entry(card, &arp_entry); | |
2645 | break; | |
2646 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
2647 | if (!capable(CAP_NET_ADMIN)) { | |
2648 | rc = -EPERM; | |
2649 | break; | |
2650 | } | |
2651 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2652 | sizeof(struct qeth_arp_cache_entry))) | |
2653 | rc = -EFAULT; | |
2654 | else | |
2655 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); | |
2656 | break; | |
2657 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
2658 | if (!capable(CAP_NET_ADMIN)) { | |
2659 | rc = -EPERM; | |
2660 | break; | |
2661 | } | |
2662 | rc = qeth_l3_arp_flush_cache(card); | |
2663 | break; | |
2664 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
2665 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
2666 | break; | |
2667 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
2668 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
2669 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
2670 | !card->info.guestlan) |
2671 | return 1; | |
2672 | return 0; | |
2673 | break; | |
2674 | case SIOCGMIIPHY: | |
2675 | mii_data = if_mii(rq); | |
2676 | mii_data->phy_id = 0; | |
2677 | break; | |
2678 | case SIOCGMIIREG: | |
2679 | mii_data = if_mii(rq); | |
2680 | if (mii_data->phy_id != 0) | |
2681 | rc = -EINVAL; | |
2682 | else | |
2683 | mii_data->val_out = qeth_mdio_read(dev, | |
2684 | mii_data->phy_id, | |
2685 | mii_data->reg_num); | |
2686 | break; | |
c3ab96f3 FB |
2687 | case SIOC_QETH_QUERY_OAT: |
2688 | rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); | |
2689 | break; | |
4a71df50 FB |
2690 | default: |
2691 | rc = -EOPNOTSUPP; | |
2692 | } | |
2693 | if (rc) | |
847a50fd | 2694 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
2695 | return rc; |
2696 | } | |
2697 | ||
ce73e10e KDW |
2698 | int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) |
2699 | { | |
2700 | int cast_type = RTN_UNSPEC; | |
69cce1d1 DM |
2701 | struct neighbour *n = NULL; |
2702 | struct dst_entry *dst; | |
2703 | ||
1d36cb47 | 2704 | rcu_read_lock(); |
69cce1d1 DM |
2705 | dst = skb_dst(skb); |
2706 | if (dst) | |
24db1ba8 | 2707 | n = dst_neigh_lookup_skb(dst, skb); |
69cce1d1 DM |
2708 | if (n) { |
2709 | cast_type = n->type; | |
1d36cb47 | 2710 | rcu_read_unlock(); |
24db1ba8 | 2711 | neigh_release(n); |
ce73e10e KDW |
2712 | if ((cast_type == RTN_BROADCAST) || |
2713 | (cast_type == RTN_MULTICAST) || | |
2714 | (cast_type == RTN_ANYCAST)) | |
2715 | return cast_type; | |
2716 | else | |
2717 | return RTN_UNSPEC; | |
2718 | } | |
1d36cb47 FB |
2719 | rcu_read_unlock(); |
2720 | ||
ce73e10e KDW |
2721 | /* try something else */ |
2722 | if (skb->protocol == ETH_P_IPV6) | |
2723 | return (skb_network_header(skb)[24] == 0xff) ? | |
2724 | RTN_MULTICAST : 0; | |
2725 | else if (skb->protocol == ETH_P_IP) | |
2726 | return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? | |
2727 | RTN_MULTICAST : 0; | |
2728 | /* ... */ | |
2729 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
2730 | return RTN_BROADCAST; | |
2731 | else { | |
2732 | u16 hdr_mac; | |
2733 | ||
2734 | hdr_mac = *((u16 *)skb->data); | |
2735 | /* tr multicast? */ | |
2736 | switch (card->info.link_type) { | |
2737 | case QETH_LINK_TYPE_HSTR: | |
2738 | case QETH_LINK_TYPE_LANE_TR: | |
2739 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
2740 | (hdr_mac == QETH_TR_MAC_C)) | |
2741 | return RTN_MULTICAST; | |
2742 | break; | |
2743 | /* eth or so multicast? */ | |
2744 | default: | |
2745 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
2746 | (hdr_mac == QETH_ETH_MAC_V6)) | |
2747 | return RTN_MULTICAST; | |
2748 | } | |
2749 | } | |
2750 | return cast_type; | |
2751 | } | |
2752 | ||
b3332930 FB |
2753 | static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, |
2754 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2755 | { | |
2756 | char daddr[16]; | |
2757 | struct af_iucv_trans_hdr *iucv_hdr; | |
2758 | ||
2759 | skb_pull(skb, 14); | |
2760 | card->dev->header_ops->create(skb, card->dev, 0, | |
2761 | card->dev->dev_addr, card->dev->dev_addr, | |
2762 | card->dev->addr_len); | |
2763 | skb_pull(skb, 14); | |
2764 | iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; | |
2765 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
2766 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2767 | hdr->hdr.l3.ext_flags = 0; | |
2768 | hdr->hdr.l3.length = skb->len; | |
2769 | hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; | |
2770 | memset(daddr, 0, sizeof(daddr)); | |
2771 | daddr[0] = 0xfe; | |
2772 | daddr[1] = 0x80; | |
2773 | memcpy(&daddr[8], iucv_hdr->destUserID, 8); | |
2774 | memcpy(hdr->hdr.l3.dest_addr, daddr, 16); | |
2775 | } | |
2776 | ||
4a71df50 FB |
2777 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
2778 | struct sk_buff *skb, int ipv, int cast_type) | |
2779 | { | |
69cce1d1 DM |
2780 | struct dst_entry *dst; |
2781 | ||
4a71df50 FB |
2782 | memset(hdr, 0, sizeof(struct qeth_hdr)); |
2783 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2784 | hdr->hdr.l3.ext_flags = 0; | |
2785 | ||
2786 | /* | |
2787 | * before we're going to overwrite this location with next hop ip. | |
2788 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
2789 | */ | |
7ff0bcf6 | 2790 | if (vlan_tx_tag_present(skb)) { |
213298f8 FB |
2791 | if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD)) |
2792 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME; | |
2793 | else | |
2794 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
4a71df50 FB |
2795 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); |
2796 | } | |
2797 | ||
2798 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
1d36cb47 FB |
2799 | |
2800 | rcu_read_lock(); | |
69cce1d1 | 2801 | dst = skb_dst(skb); |
4a71df50 | 2802 | if (ipv == 4) { |
87e7597b DM |
2803 | struct rtable *rt = (struct rtable *) dst; |
2804 | __be32 *pkey = &ip_hdr(skb)->daddr; | |
2805 | ||
2806 | if (rt->rt_gateway) | |
2807 | pkey = &rt->rt_gateway; | |
2808 | ||
4a71df50 FB |
2809 | /* IPv4 */ |
2810 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); | |
2811 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
87e7597b | 2812 | *((__be32 *) (&hdr->hdr.l3.dest_addr[12])) = *pkey; |
4a71df50 | 2813 | } else if (ipv == 6) { |
87e7597b DM |
2814 | struct rt6_info *rt = (struct rt6_info *) dst; |
2815 | struct in6_addr *pkey = &ipv6_hdr(skb)->daddr; | |
2816 | ||
2817 | if (!ipv6_addr_any(&rt->rt6i_gateway)) | |
2818 | pkey = &rt->rt6i_gateway; | |
2819 | ||
4a71df50 FB |
2820 | /* IPv6 */ |
2821 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); | |
2822 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2823 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; | |
87e7597b | 2824 | memcpy(hdr->hdr.l3.dest_addr, pkey, 16); |
4a71df50 | 2825 | } else { |
1abd2296 | 2826 | if (!memcmp(skb->data + sizeof(struct qeth_hdr), |
4a71df50 FB |
2827 | skb->dev->broadcast, 6)) { |
2828 | /* broadcast? */ | |
2829 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2830 | QETH_HDR_PASSTHRU; | |
2831 | } else { | |
2832 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
2833 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
2834 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
2835 | } | |
2836 | } | |
1d36cb47 | 2837 | rcu_read_unlock(); |
4a71df50 FB |
2838 | } |
2839 | ||
f6b85b6c FB |
2840 | static inline void qeth_l3_hdr_csum(struct qeth_card *card, |
2841 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2842 | { | |
2843 | struct iphdr *iph = ip_hdr(skb); | |
2844 | ||
2845 | /* tcph->check contains already the pseudo hdr checksum | |
2846 | * so just set the header flags | |
2847 | */ | |
2848 | if (iph->protocol == IPPROTO_UDP) | |
2849 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP; | |
16c0f936 FB |
2850 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ | |
2851 | QETH_HDR_EXT_CSUM_HDR_REQ; | |
2852 | iph->check = 0; | |
f6b85b6c FB |
2853 | if (card->options.performance_stats) |
2854 | card->perf_stats.tx_csum++; | |
2855 | } | |
2856 | ||
64ef8957 FB |
2857 | static void qeth_tso_fill_header(struct qeth_card *card, |
2858 | struct qeth_hdr *qhdr, struct sk_buff *skb) | |
2859 | { | |
2860 | struct qeth_hdr_tso *hdr = (struct qeth_hdr_tso *)qhdr; | |
2861 | struct tcphdr *tcph = tcp_hdr(skb); | |
2862 | struct iphdr *iph = ip_hdr(skb); | |
2863 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
2864 | ||
2865 | /*fix header to TSO values ...*/ | |
2866 | hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; | |
8fa9208e | 2867 | hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso); |
64ef8957 FB |
2868 | /*set values which are fix for the first approach ...*/ |
2869 | hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); | |
2870 | hdr->ext.imb_hdr_no = 1; | |
2871 | hdr->ext.hdr_type = 1; | |
2872 | hdr->ext.hdr_version = 1; | |
2873 | hdr->ext.hdr_len = 28; | |
2874 | /*insert non-fix values */ | |
2875 | hdr->ext.mss = skb_shinfo(skb)->gso_size; | |
2876 | hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); | |
2877 | hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - | |
2878 | sizeof(struct qeth_hdr_tso)); | |
2879 | tcph->check = 0; | |
2880 | if (skb->protocol == ETH_P_IPV6) { | |
2881 | ip6h->payload_len = 0; | |
2882 | tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, | |
2883 | 0, IPPROTO_TCP, 0); | |
2884 | } else { | |
2885 | /*OSA want us to set these values ...*/ | |
2886 | tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, | |
2887 | 0, IPPROTO_TCP, 0); | |
2888 | iph->tot_len = 0; | |
2889 | iph->check = 0; | |
2890 | } | |
2891 | } | |
2892 | ||
c3b4a740 FB |
2893 | static inline int qeth_l3_tso_elements(struct sk_buff *skb) |
2894 | { | |
2895 | unsigned long tcpd = (unsigned long)tcp_hdr(skb) + | |
2896 | tcp_hdr(skb)->doff * 4; | |
2897 | int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data); | |
51aa165c | 2898 | int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd); |
c3b4a740 FB |
2899 | elements += skb_shinfo(skb)->nr_frags; |
2900 | return elements; | |
2901 | } | |
2902 | ||
4a71df50 FB |
2903 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
2904 | { | |
2905 | int rc; | |
2906 | u16 *tag; | |
2907 | struct qeth_hdr *hdr = NULL; | |
2908 | int elements_needed = 0; | |
64ef8957 | 2909 | int elems; |
509e2562 | 2910 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2911 | struct sk_buff *new_skb = NULL; |
2912 | int ipv = qeth_get_ip_version(skb); | |
ce73e10e | 2913 | int cast_type = qeth_l3_get_cast_type(card, skb); |
4a71df50 FB |
2914 | struct qeth_qdio_out_q *queue = card->qdio.out_qs |
2915 | [qeth_get_priority_queue(card, skb, ipv, cast_type)]; | |
2916 | int tx_bytes = skb->len; | |
6204b47e | 2917 | bool large_send; |
683d718a | 2918 | int data_offset = -1; |
64ef8957 | 2919 | int nr_frags; |
4a71df50 | 2920 | |
b3332930 FB |
2921 | if (((card->info.type == QETH_CARD_TYPE_IQD) && |
2922 | (((card->options.cq != QETH_CQ_ENABLED) && !ipv) || | |
2923 | ((card->options.cq == QETH_CQ_ENABLED) && | |
2924 | (skb->protocol != ETH_P_AF_IUCV)))) || | |
2925 | card->options.sniffer) | |
4a71df50 FB |
2926 | goto tx_drop; |
2927 | ||
2928 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
2929 | card->stats.tx_carrier_errors++; | |
2930 | goto tx_drop; | |
2931 | } | |
2932 | ||
2933 | if ((cast_type == RTN_BROADCAST) && | |
2934 | (card->info.broadcast_capable == 0)) | |
2935 | goto tx_drop; | |
2936 | ||
2937 | if (card->options.performance_stats) { | |
2938 | card->perf_stats.outbound_cnt++; | |
2939 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
2940 | } | |
2941 | ||
6204b47e | 2942 | large_send = skb_is_gso(skb); |
683d718a FB |
2943 | |
2944 | if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) && | |
2945 | (skb_shinfo(skb)->nr_frags == 0)) { | |
2946 | new_skb = skb; | |
b3332930 FB |
2947 | if (new_skb->protocol == ETH_P_AF_IUCV) |
2948 | data_offset = 0; | |
2949 | else | |
2950 | data_offset = ETH_HLEN; | |
683d718a FB |
2951 | hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); |
2952 | if (!hdr) | |
2953 | goto tx_drop; | |
2954 | elements_needed++; | |
2955 | } else { | |
2956 | /* create a clone with writeable headroom */ | |
2957 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) | |
2958 | + VLAN_HLEN); | |
2959 | if (!new_skb) | |
2960 | goto tx_drop; | |
2961 | } | |
4a71df50 FB |
2962 | |
2963 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
683d718a FB |
2964 | if (data_offset < 0) |
2965 | skb_pull(new_skb, ETH_HLEN); | |
4a71df50 | 2966 | } else { |
21fde749 | 2967 | if (ipv == 4) { |
1abd2296 | 2968 | skb_pull(new_skb, ETH_HLEN); |
4a71df50 FB |
2969 | } |
2970 | ||
7ff0bcf6 | 2971 | if (ipv != 4 && vlan_tx_tag_present(new_skb)) { |
4a71df50 FB |
2972 | skb_push(new_skb, VLAN_HLEN); |
2973 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); | |
2974 | skb_copy_to_linear_data_offset(new_skb, 4, | |
2975 | new_skb->data + 8, 4); | |
2976 | skb_copy_to_linear_data_offset(new_skb, 8, | |
2977 | new_skb->data + 12, 4); | |
2978 | tag = (u16 *)(new_skb->data + 12); | |
2979 | *tag = __constant_htons(ETH_P_8021Q); | |
2980 | *(tag + 1) = htons(vlan_tx_tag_get(new_skb)); | |
4a71df50 FB |
2981 | } |
2982 | } | |
2983 | ||
2984 | netif_stop_queue(dev); | |
2985 | ||
4a71df50 | 2986 | /* fix hardware limitation: as long as we do not have sbal |
64ef8957 | 2987 | * chaining we can not send long frag lists |
4a71df50 | 2988 | */ |
6204b47e | 2989 | if (large_send) { |
c3b4a740 FB |
2990 | if (qeth_l3_tso_elements(new_skb) + 1 > 16) { |
2991 | if (skb_linearize(new_skb)) | |
2992 | goto tx_drop; | |
2993 | if (card->options.performance_stats) | |
2994 | card->perf_stats.tx_lin++; | |
2995 | } | |
64ef8957 | 2996 | } |
4a71df50 | 2997 | |
6204b47e | 2998 | if (large_send && (cast_type == RTN_UNSPEC)) { |
4a71df50 FB |
2999 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
3000 | sizeof(struct qeth_hdr_tso)); | |
3001 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | |
3002 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
3003 | qeth_tso_fill_header(card, hdr, new_skb); | |
3004 | elements_needed++; | |
3005 | } else { | |
683d718a FB |
3006 | if (data_offset < 0) { |
3007 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
4a71df50 | 3008 | sizeof(struct qeth_hdr)); |
683d718a FB |
3009 | qeth_l3_fill_header(card, hdr, new_skb, ipv, |
3010 | cast_type); | |
3011 | } else { | |
b3332930 FB |
3012 | if (new_skb->protocol == ETH_P_AF_IUCV) |
3013 | qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb); | |
3014 | else { | |
3015 | qeth_l3_fill_header(card, hdr, new_skb, ipv, | |
3016 | cast_type); | |
3017 | hdr->hdr.l3.length = new_skb->len - data_offset; | |
3018 | } | |
683d718a | 3019 | } |
f6b85b6c FB |
3020 | |
3021 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
3022 | qeth_l3_hdr_csum(card, hdr, new_skb); | |
4a71df50 FB |
3023 | } |
3024 | ||
64ef8957 | 3025 | elems = qeth_get_elements_no(card, (void *)hdr, new_skb, |
4a71df50 | 3026 | elements_needed); |
64ef8957 FB |
3027 | if (!elems) { |
3028 | if (data_offset >= 0) | |
3029 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3030 | goto tx_drop; | |
f61a0d05 | 3031 | } |
64ef8957 FB |
3032 | elements_needed += elems; |
3033 | nr_frags = skb_shinfo(new_skb)->nr_frags; | |
4a71df50 | 3034 | |
51aa165c FB |
3035 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
3036 | int len; | |
6204b47e | 3037 | if (large_send) |
51aa165c FB |
3038 | len = ((unsigned long)tcp_hdr(new_skb) + |
3039 | tcp_hdr(new_skb)->doff * 4) - | |
3040 | (unsigned long)new_skb->data; | |
3041 | else | |
3042 | len = sizeof(struct qeth_hdr_layer3); | |
3043 | ||
3044 | if (qeth_hdr_chk_and_bounce(new_skb, len)) | |
3045 | goto tx_drop; | |
4a71df50 | 3046 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
64ef8957 | 3047 | elements_needed); |
51aa165c | 3048 | } else |
4a71df50 | 3049 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
64ef8957 | 3050 | elements_needed, data_offset, 0); |
4a71df50 FB |
3051 | |
3052 | if (!rc) { | |
3053 | card->stats.tx_packets++; | |
3054 | card->stats.tx_bytes += tx_bytes; | |
3055 | if (new_skb != skb) | |
3056 | dev_kfree_skb_any(skb); | |
3057 | if (card->options.performance_stats) { | |
6204b47e | 3058 | if (large_send) { |
4a71df50 FB |
3059 | card->perf_stats.large_send_bytes += tx_bytes; |
3060 | card->perf_stats.large_send_cnt++; | |
3061 | } | |
64ef8957 | 3062 | if (nr_frags) { |
4a71df50 FB |
3063 | card->perf_stats.sg_skbs_sent++; |
3064 | /* nr_frags + skb->data */ | |
64ef8957 | 3065 | card->perf_stats.sg_frags_sent += nr_frags + 1; |
4a71df50 FB |
3066 | } |
3067 | } | |
ec634fe3 | 3068 | rc = NETDEV_TX_OK; |
4a71df50 | 3069 | } else { |
683d718a FB |
3070 | if (data_offset >= 0) |
3071 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3072 | ||
4a71df50 FB |
3073 | if (rc == -EBUSY) { |
3074 | if (new_skb != skb) | |
3075 | dev_kfree_skb_any(new_skb); | |
3076 | return NETDEV_TX_BUSY; | |
3077 | } else | |
3078 | goto tx_drop; | |
3079 | } | |
3080 | ||
3081 | netif_wake_queue(dev); | |
3082 | if (card->options.performance_stats) | |
3083 | card->perf_stats.outbound_time += qeth_get_micros() - | |
3084 | card->perf_stats.outbound_start_time; | |
3085 | return rc; | |
3086 | ||
3087 | tx_drop: | |
3088 | card->stats.tx_dropped++; | |
3089 | card->stats.tx_errors++; | |
3090 | if ((new_skb != skb) && new_skb) | |
3091 | dev_kfree_skb_any(new_skb); | |
3092 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 3093 | netif_wake_queue(dev); |
4a71df50 FB |
3094 | return NETDEV_TX_OK; |
3095 | } | |
3096 | ||
39423440 | 3097 | static int __qeth_l3_open(struct net_device *dev) |
4a71df50 | 3098 | { |
509e2562 | 3099 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 3100 | int rc = 0; |
4a71df50 | 3101 | |
847a50fd | 3102 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
3103 | if (card->state == CARD_STATE_UP) |
3104 | return rc; | |
4a71df50 FB |
3105 | if (card->state != CARD_STATE_SOFTSETUP) |
3106 | return -ENODEV; | |
3107 | card->data.state = CH_STATE_UP; | |
3108 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
3109 | netif_start_queue(dev); |
3110 | ||
a1c3ed4c FB |
3111 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
3112 | napi_enable(&card->napi); | |
3113 | napi_schedule(&card->napi); | |
3114 | } else | |
3115 | rc = -EIO; | |
3116 | return rc; | |
4a71df50 FB |
3117 | } |
3118 | ||
39423440 UB |
3119 | static int qeth_l3_open(struct net_device *dev) |
3120 | { | |
3121 | struct qeth_card *card = dev->ml_priv; | |
3122 | ||
3123 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
3124 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
3125 | QETH_CARD_TEXT(card, 3, "openREC"); | |
3126 | return -ERESTARTSYS; | |
3127 | } | |
3128 | return __qeth_l3_open(dev); | |
3129 | } | |
3130 | ||
4a71df50 FB |
3131 | static int qeth_l3_stop(struct net_device *dev) |
3132 | { | |
509e2562 | 3133 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3134 | |
847a50fd | 3135 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 3136 | netif_tx_disable(dev); |
a1c3ed4c | 3137 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 3138 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
3139 | napi_disable(&card->napi); |
3140 | } | |
4a71df50 FB |
3141 | return 0; |
3142 | } | |
3143 | ||
c8f44aff MM |
3144 | static netdev_features_t qeth_l3_fix_features(struct net_device *dev, |
3145 | netdev_features_t features) | |
4a71df50 | 3146 | { |
509e2562 | 3147 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3148 | |
6204b47e MM |
3149 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) |
3150 | features &= ~NETIF_F_IP_CSUM; | |
3151 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) | |
3152 | features &= ~NETIF_F_TSO; | |
3153 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) | |
3154 | features &= ~NETIF_F_RXCSUM; | |
3155 | ||
3156 | return features; | |
4a71df50 FB |
3157 | } |
3158 | ||
c8f44aff MM |
3159 | static int qeth_l3_set_features(struct net_device *dev, |
3160 | netdev_features_t features) | |
4a71df50 | 3161 | { |
6204b47e MM |
3162 | struct qeth_card *card = dev->ml_priv; |
3163 | u32 changed = dev->features ^ features; | |
60a34277 | 3164 | int err; |
4a71df50 | 3165 | |
6204b47e MM |
3166 | if (!(changed & NETIF_F_RXCSUM)) |
3167 | return 0; | |
3168 | ||
60a34277 FB |
3169 | if (card->state == CARD_STATE_DOWN || |
3170 | card->state == CARD_STATE_RECOVER) | |
3171 | return 0; | |
3172 | ||
3173 | err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM); | |
3174 | if (err) | |
3175 | dev->features = features ^ NETIF_F_RXCSUM; | |
4a71df50 | 3176 | |
60a34277 | 3177 | return err; |
4a71df50 FB |
3178 | } |
3179 | ||
0fc0b732 | 3180 | static const struct ethtool_ops qeth_l3_ethtool_ops = { |
4a71df50 | 3181 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
3182 | .get_strings = qeth_core_get_strings, |
3183 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 3184 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 3185 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 3186 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
3187 | }; |
3188 | ||
3189 | /* | |
3190 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
3191 | * NOARP on the netdevice is no option because it also turns off neighbor | |
3192 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
3193 | * arp resolution but we want the hard header (packet socket will work | |
3194 | * e.g. tcpdump) | |
3195 | */ | |
3196 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
3197 | { | |
3198 | n->nud_state = NUD_NOARP; | |
3199 | memcpy(n->ha, "FAKELL", 6); | |
3200 | n->output = n->ops->connected_output; | |
3201 | return 0; | |
3202 | } | |
3203 | ||
3204 | static int | |
3205 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
3206 | { | |
3207 | if (np->tbl->family == AF_INET) | |
3208 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
3209 | ||
3210 | return 0; | |
3211 | } | |
3212 | ||
3d58cefd | 3213 | static const struct net_device_ops qeth_l3_netdev_ops = { |
8403b13c FB |
3214 | .ndo_open = qeth_l3_open, |
3215 | .ndo_stop = qeth_l3_stop, | |
3216 | .ndo_get_stats = qeth_get_stats, | |
3217 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3218 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3219 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3220 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3221 | .ndo_change_mtu = qeth_change_mtu, | |
3222 | .ndo_fix_features = qeth_l3_fix_features, | |
3223 | .ndo_set_features = qeth_l3_set_features, | |
8403b13c FB |
3224 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3225 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3226 | .ndo_tx_timeout = qeth_tx_timeout, |
8403b13c FB |
3227 | }; |
3228 | ||
3d58cefd FB |
3229 | static const struct net_device_ops qeth_l3_osa_netdev_ops = { |
3230 | .ndo_open = qeth_l3_open, | |
3231 | .ndo_stop = qeth_l3_stop, | |
3232 | .ndo_get_stats = qeth_get_stats, | |
3233 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3234 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3235 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3236 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3237 | .ndo_change_mtu = qeth_change_mtu, | |
3238 | .ndo_fix_features = qeth_l3_fix_features, | |
3239 | .ndo_set_features = qeth_l3_set_features, | |
3d58cefd FB |
3240 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3241 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3242 | .ndo_tx_timeout = qeth_tx_timeout, |
3d58cefd FB |
3243 | .ndo_neigh_setup = qeth_l3_neigh_setup, |
3244 | }; | |
3245 | ||
4a71df50 FB |
3246 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
3247 | { | |
5113fec0 UB |
3248 | if (card->info.type == QETH_CARD_TYPE_OSD || |
3249 | card->info.type == QETH_CARD_TYPE_OSX) { | |
4a71df50 FB |
3250 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
3251 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { | |
1abd2296 PG |
3252 | pr_info("qeth_l3: ignoring TR device\n"); |
3253 | return -ENODEV; | |
4a71df50 FB |
3254 | } else { |
3255 | card->dev = alloc_etherdev(0); | |
3256 | if (!card->dev) | |
3257 | return -ENODEV; | |
3d58cefd | 3258 | card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; |
4a71df50 FB |
3259 | |
3260 | /*IPv6 address autoconfiguration stuff*/ | |
3261 | qeth_l3_get_unique_id(card); | |
3262 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
3263 | card->dev->dev_id = card->info.unique_id & | |
3264 | 0xffff; | |
c5e631a8 FB |
3265 | if (!card->info.guestlan) { |
3266 | card->dev->hw_features = NETIF_F_SG | | |
3267 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | | |
3268 | NETIF_F_TSO; | |
3269 | card->dev->features = NETIF_F_RXCSUM; | |
3270 | } | |
4a71df50 FB |
3271 | } |
3272 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { | |
3273 | card->dev = alloc_netdev(0, "hsi%d", ether_setup); | |
3274 | if (!card->dev) | |
3275 | return -ENODEV; | |
3276 | card->dev->flags |= IFF_NOARP; | |
3d58cefd | 3277 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
4a71df50 | 3278 | qeth_l3_iqd_read_initial_mac(card); |
b3332930 FB |
3279 | if (card->options.hsuid[0]) |
3280 | memcpy(card->dev->perm_addr, card->options.hsuid, 9); | |
4a71df50 FB |
3281 | } else |
3282 | return -ENODEV; | |
3283 | ||
509e2562 | 3284 | card->dev->ml_priv = card; |
4a71df50 | 3285 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
4a71df50 FB |
3286 | card->dev->mtu = card->info.initial_mtu; |
3287 | SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops); | |
3288 | card->dev->features |= NETIF_F_HW_VLAN_TX | | |
3289 | NETIF_F_HW_VLAN_RX | | |
3290 | NETIF_F_HW_VLAN_FILTER; | |
86d15cd8 | 3291 | card->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; |
c3b4a740 | 3292 | card->dev->gso_max_size = 15 * PAGE_SIZE; |
4a71df50 FB |
3293 | |
3294 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 3295 | netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT); |
4a71df50 FB |
3296 | return register_netdev(card->dev); |
3297 | } | |
3298 | ||
4a71df50 FB |
3299 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
3300 | { | |
3301 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3302 | ||
3303 | qeth_l3_create_device_attributes(&gdev->dev); | |
3304 | card->options.layer2 = 0; | |
1da74b1c | 3305 | card->info.hwtrap = 0; |
4a71df50 FB |
3306 | return 0; |
3307 | } | |
3308 | ||
3309 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
3310 | { | |
3311 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3312 | ||
9dc48ccc UB |
3313 | qeth_l3_remove_device_attributes(&cgdev->dev); |
3314 | ||
f2148565 | 3315 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
3316 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
3317 | ||
70919e23 | 3318 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 3319 | qeth_l3_set_offline(cgdev); |
4a71df50 FB |
3320 | |
3321 | if (card->dev) { | |
3322 | unregister_netdev(card->dev); | |
3323 | card->dev = NULL; | |
3324 | } | |
3325 | ||
70919e23 | 3326 | qeth_l3_clear_ip_list(card, 0); |
4a71df50 FB |
3327 | qeth_l3_clear_ipato_list(card); |
3328 | return; | |
3329 | } | |
3330 | ||
3331 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
3332 | { | |
3333 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3334 | int rc = 0; | |
3335 | enum qeth_card_states recover_flag; | |
3336 | ||
3337 | BUG_ON(!card); | |
9dc48ccc | 3338 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3339 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3340 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
3341 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 3342 | |
4a71df50 | 3343 | recover_flag = card->state; |
4a71df50 FB |
3344 | rc = qeth_core_hardsetup_card(card); |
3345 | if (rc) { | |
d11ba0c4 | 3346 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
aa909224 | 3347 | rc = -ENODEV; |
4a71df50 FB |
3348 | goto out_remove; |
3349 | } | |
3350 | ||
aa909224 UB |
3351 | if (!card->dev && qeth_l3_setup_netdev(card)) { |
3352 | rc = -ENODEV; | |
4a71df50 | 3353 | goto out_remove; |
aa909224 | 3354 | } |
4a71df50 | 3355 | |
1da74b1c FB |
3356 | if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { |
3357 | if (card->info.hwtrap && | |
3358 | qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) | |
3359 | card->info.hwtrap = 0; | |
3360 | } else | |
3361 | card->info.hwtrap = 0; | |
3362 | ||
4a71df50 | 3363 | card->state = CARD_STATE_HARDSETUP; |
a1c3ed4c | 3364 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
3365 | qeth_print_status_message(card); |
3366 | ||
3367 | /* softsetup */ | |
d11ba0c4 | 3368 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
3369 | |
3370 | rc = qeth_send_startlan(card); | |
3371 | if (rc) { | |
d11ba0c4 | 3372 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 3373 | if (rc == 0xe080) { |
74eacdb9 FB |
3374 | dev_warn(&card->gdev->dev, |
3375 | "The LAN is offline\n"); | |
4a71df50 | 3376 | card->lan_online = 0; |
2b6203bb | 3377 | goto contin; |
4a71df50 | 3378 | } |
aa909224 | 3379 | rc = -ENODEV; |
f2148565 | 3380 | goto out_remove; |
4a71df50 FB |
3381 | } else |
3382 | card->lan_online = 1; | |
4a71df50 | 3383 | |
2b6203bb | 3384 | contin: |
4a71df50 FB |
3385 | rc = qeth_l3_setadapter_parms(card); |
3386 | if (rc) | |
d11ba0c4 | 3387 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
76b11f8e UB |
3388 | if (!card->options.sniffer) { |
3389 | rc = qeth_l3_start_ipassists(card); | |
3390 | if (rc) | |
3391 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); | |
76b11f8e UB |
3392 | rc = qeth_l3_setrouting_v4(card); |
3393 | if (rc) | |
3394 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); | |
3395 | rc = qeth_l3_setrouting_v6(card); | |
3396 | if (rc) | |
3397 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); | |
3398 | } | |
4a71df50 FB |
3399 | netif_tx_disable(card->dev); |
3400 | ||
3401 | rc = qeth_init_qdio_queues(card); | |
3402 | if (rc) { | |
d11ba0c4 | 3403 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 3404 | rc = -ENODEV; |
4a71df50 FB |
3405 | goto out_remove; |
3406 | } | |
3407 | card->state = CARD_STATE_SOFTSETUP; | |
4a71df50 FB |
3408 | |
3409 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
e8069040 | 3410 | qeth_l3_set_ip_addr_list(card); |
2b6203bb UB |
3411 | if (card->lan_online) |
3412 | netif_carrier_on(card->dev); | |
3413 | else | |
3414 | netif_carrier_off(card->dev); | |
8af7c5ae | 3415 | if (recover_flag == CARD_STATE_RECOVER) { |
4763b0a0 | 3416 | rtnl_lock(); |
8af7c5ae | 3417 | if (recovery_mode) |
39423440 | 3418 | __qeth_l3_open(card->dev); |
4763b0a0 | 3419 | else |
8af7c5ae | 3420 | dev_open(card->dev); |
8af7c5ae | 3421 | qeth_l3_set_multicast_list(card->dev); |
4763b0a0 | 3422 | rtnl_unlock(); |
4a71df50 FB |
3423 | } |
3424 | /* let user_space know that device is online */ | |
3425 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3426 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3427 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3428 | return 0; |
3429 | out_remove: | |
4a71df50 FB |
3430 | qeth_l3_stop_card(card, 0); |
3431 | ccw_device_set_offline(CARD_DDEV(card)); | |
3432 | ccw_device_set_offline(CARD_WDEV(card)); | |
3433 | ccw_device_set_offline(CARD_RDEV(card)); | |
3434 | if (recover_flag == CARD_STATE_RECOVER) | |
3435 | card->state = CARD_STATE_RECOVER; | |
3436 | else | |
3437 | card->state = CARD_STATE_DOWN; | |
c4949f07 | 3438 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3439 | mutex_unlock(&card->discipline_mutex); |
aa909224 | 3440 | return rc; |
4a71df50 FB |
3441 | } |
3442 | ||
3443 | static int qeth_l3_set_online(struct ccwgroup_device *gdev) | |
3444 | { | |
3445 | return __qeth_l3_set_online(gdev, 0); | |
3446 | } | |
3447 | ||
3448 | static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, | |
3449 | int recovery_mode) | |
3450 | { | |
3451 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3452 | int rc = 0, rc2 = 0, rc3 = 0; | |
3453 | enum qeth_card_states recover_flag; | |
3454 | ||
9dc48ccc | 3455 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3456 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3457 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
3458 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
3459 | |
3460 | if (card->dev && netif_carrier_ok(card->dev)) | |
3461 | netif_carrier_off(card->dev); | |
3462 | recover_flag = card->state; | |
1da74b1c FB |
3463 | if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { |
3464 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
3465 | card->info.hwtrap = 1; | |
3466 | } | |
0f5623c9 | 3467 | qeth_l3_stop_card(card, recovery_mode); |
72861ae7 EL |
3468 | if ((card->options.cq == QETH_CQ_ENABLED) && card->dev) { |
3469 | rtnl_lock(); | |
3470 | call_netdevice_notifiers(NETDEV_REBOOT, card->dev); | |
3471 | rtnl_unlock(); | |
3472 | } | |
4a71df50 FB |
3473 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
3474 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
3475 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
3476 | if (!rc) | |
3477 | rc = (rc2) ? rc2 : rc3; | |
3478 | if (rc) | |
d11ba0c4 | 3479 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3480 | if (recover_flag == CARD_STATE_UP) |
3481 | card->state = CARD_STATE_RECOVER; | |
3482 | /* let user_space know that device is offline */ | |
3483 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3484 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3485 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3486 | return 0; |
3487 | } | |
3488 | ||
3489 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) | |
3490 | { | |
3491 | return __qeth_l3_set_offline(cgdev, 0); | |
3492 | } | |
3493 | ||
3494 | static int qeth_l3_recover(void *ptr) | |
3495 | { | |
3496 | struct qeth_card *card; | |
3497 | int rc = 0; | |
3498 | ||
3499 | card = (struct qeth_card *) ptr; | |
847a50fd CO |
3500 | QETH_CARD_TEXT(card, 2, "recover1"); |
3501 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3502 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
3503 | return 0; | |
847a50fd | 3504 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
3505 | dev_warn(&card->gdev->dev, |
3506 | "A recovery process has been started for the device\n"); | |
4a71df50 FB |
3507 | __qeth_l3_set_offline(card->gdev, 1); |
3508 | rc = __qeth_l3_set_online(card->gdev, 1); | |
4a71df50 | 3509 | if (!rc) |
74eacdb9 FB |
3510 | dev_info(&card->gdev->dev, |
3511 | "Device successfully recovered!\n"); | |
28a7e4c9 UB |
3512 | else { |
3513 | rtnl_lock(); | |
3514 | dev_close(card->dev); | |
3515 | rtnl_unlock(); | |
74eacdb9 FB |
3516 | dev_warn(&card->gdev->dev, "The qeth device driver " |
3517 | "failed to recover an error on the device\n"); | |
28a7e4c9 | 3518 | } |
a1c3ed4c FB |
3519 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
3520 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
3521 | return 0; |
3522 | } | |
3523 | ||
3524 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) | |
3525 | { | |
3526 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
f78ac2bb | 3527 | qeth_set_allowed_threads(card, 0, 1); |
1da74b1c FB |
3528 | if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) |
3529 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
4a71df50 FB |
3530 | qeth_qdio_clear_card(card, 0); |
3531 | qeth_clear_qdio_buffers(card); | |
3532 | } | |
3533 | ||
bbcfcdc8 FB |
3534 | static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) |
3535 | { | |
3536 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3537 | ||
3538 | if (card->dev) | |
3539 | netif_device_detach(card->dev); | |
3540 | qeth_set_allowed_threads(card, 0, 1); | |
3541 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
3542 | if (gdev->state == CCWGROUP_OFFLINE) | |
3543 | return 0; | |
3544 | if (card->state == CARD_STATE_UP) { | |
1da74b1c FB |
3545 | if (card->info.hwtrap) |
3546 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
bbcfcdc8 FB |
3547 | __qeth_l3_set_offline(card->gdev, 1); |
3548 | } else | |
3549 | __qeth_l3_set_offline(card->gdev, 0); | |
3550 | return 0; | |
3551 | } | |
3552 | ||
3553 | static int qeth_l3_pm_resume(struct ccwgroup_device *gdev) | |
3554 | { | |
3555 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3556 | int rc = 0; | |
3557 | ||
3558 | if (gdev->state == CCWGROUP_OFFLINE) | |
3559 | goto out; | |
3560 | ||
3561 | if (card->state == CARD_STATE_RECOVER) { | |
3562 | rc = __qeth_l3_set_online(card->gdev, 1); | |
3563 | if (rc) { | |
869da90b UB |
3564 | rtnl_lock(); |
3565 | dev_close(card->dev); | |
3566 | rtnl_unlock(); | |
bbcfcdc8 FB |
3567 | } |
3568 | } else | |
3569 | rc = __qeth_l3_set_online(card->gdev, 0); | |
3570 | out: | |
3571 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
3572 | if (card->dev) | |
3573 | netif_device_attach(card->dev); | |
3574 | if (rc) | |
3575 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
3576 | "failed to recover an error on the device\n"); | |
3577 | return rc; | |
3578 | } | |
3579 | ||
c041f2d4 SO |
3580 | struct qeth_discipline qeth_l3_discipline = { |
3581 | .start_poll = qeth_qdio_start_poll, | |
3582 | .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, | |
3583 | .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, | |
3584 | .recover = qeth_l3_recover, | |
3585 | .setup = qeth_l3_probe_device, | |
4a71df50 FB |
3586 | .remove = qeth_l3_remove_device, |
3587 | .set_online = qeth_l3_set_online, | |
3588 | .set_offline = qeth_l3_set_offline, | |
3589 | .shutdown = qeth_l3_shutdown, | |
bbcfcdc8 FB |
3590 | .freeze = qeth_l3_pm_suspend, |
3591 | .thaw = qeth_l3_pm_resume, | |
3592 | .restore = qeth_l3_pm_resume, | |
4a71df50 | 3593 | }; |
c041f2d4 | 3594 | EXPORT_SYMBOL_GPL(qeth_l3_discipline); |
4a71df50 FB |
3595 | |
3596 | static int qeth_l3_ip_event(struct notifier_block *this, | |
76fef2b6 | 3597 | unsigned long event, void *ptr) |
4a71df50 FB |
3598 | { |
3599 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3600 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; | |
3601 | struct qeth_ipaddr *addr; | |
3602 | struct qeth_card *card; | |
3603 | ||
c346dca1 | 3604 | if (dev_net(dev) != &init_net) |
76fef2b6 DM |
3605 | return NOTIFY_DONE; |
3606 | ||
4a71df50 FB |
3607 | card = qeth_l3_get_card_from_dev(dev); |
3608 | if (!card) | |
3609 | return NOTIFY_DONE; | |
6d8823db | 3610 | QETH_CARD_TEXT(card, 3, "ipevent"); |
4a71df50 FB |
3611 | |
3612 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
3613 | if (addr != NULL) { | |
3614 | addr->u.a4.addr = ifa->ifa_address; | |
3615 | addr->u.a4.mask = ifa->ifa_mask; | |
3616 | addr->type = QETH_IP_TYPE_NORMAL; | |
3617 | } else | |
3618 | goto out; | |
3619 | ||
3620 | switch (event) { | |
3621 | case NETDEV_UP: | |
3622 | if (!qeth_l3_add_ip(card, addr)) | |
3623 | kfree(addr); | |
3624 | break; | |
3625 | case NETDEV_DOWN: | |
3626 | if (!qeth_l3_delete_ip(card, addr)) | |
3627 | kfree(addr); | |
3628 | break; | |
3629 | default: | |
3630 | break; | |
3631 | } | |
3632 | qeth_l3_set_ip_addr_list(card); | |
3633 | out: | |
3634 | return NOTIFY_DONE; | |
3635 | } | |
3636 | ||
3637 | static struct notifier_block qeth_l3_ip_notifier = { | |
3638 | qeth_l3_ip_event, | |
3639 | NULL, | |
3640 | }; | |
3641 | ||
3642 | #ifdef CONFIG_QETH_IPV6 | |
3643 | /** | |
3644 | * IPv6 event handler | |
3645 | */ | |
3646 | static int qeth_l3_ip6_event(struct notifier_block *this, | |
76fef2b6 | 3647 | unsigned long event, void *ptr) |
4a71df50 FB |
3648 | { |
3649 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
3650 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
3651 | struct qeth_ipaddr *addr; | |
3652 | struct qeth_card *card; | |
3653 | ||
4a71df50 FB |
3654 | card = qeth_l3_get_card_from_dev(dev); |
3655 | if (!card) | |
3656 | return NOTIFY_DONE; | |
847a50fd | 3657 | QETH_CARD_TEXT(card, 3, "ip6event"); |
4a71df50 FB |
3658 | if (!qeth_is_supported(card, IPA_IPV6)) |
3659 | return NOTIFY_DONE; | |
3660 | ||
3661 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
3662 | if (addr != NULL) { | |
3663 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
3664 | addr->u.a6.pfxlen = ifa->prefix_len; | |
3665 | addr->type = QETH_IP_TYPE_NORMAL; | |
3666 | } else | |
3667 | goto out; | |
3668 | ||
3669 | switch (event) { | |
3670 | case NETDEV_UP: | |
3671 | if (!qeth_l3_add_ip(card, addr)) | |
3672 | kfree(addr); | |
3673 | break; | |
3674 | case NETDEV_DOWN: | |
3675 | if (!qeth_l3_delete_ip(card, addr)) | |
3676 | kfree(addr); | |
3677 | break; | |
3678 | default: | |
3679 | break; | |
3680 | } | |
3681 | qeth_l3_set_ip_addr_list(card); | |
3682 | out: | |
3683 | return NOTIFY_DONE; | |
3684 | } | |
3685 | ||
3686 | static struct notifier_block qeth_l3_ip6_notifier = { | |
3687 | qeth_l3_ip6_event, | |
3688 | NULL, | |
3689 | }; | |
3690 | #endif | |
3691 | ||
3692 | static int qeth_l3_register_notifiers(void) | |
3693 | { | |
3694 | int rc; | |
3695 | ||
847a50fd | 3696 | QETH_DBF_TEXT(SETUP, 5, "regnotif"); |
4a71df50 FB |
3697 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
3698 | if (rc) | |
3699 | return rc; | |
3700 | #ifdef CONFIG_QETH_IPV6 | |
3701 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); | |
3702 | if (rc) { | |
3703 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
3704 | return rc; | |
3705 | } | |
3706 | #else | |
74eacdb9 | 3707 | pr_warning("There is no IPv6 support for the layer 3 discipline\n"); |
4a71df50 FB |
3708 | #endif |
3709 | return 0; | |
3710 | } | |
3711 | ||
3712 | static void qeth_l3_unregister_notifiers(void) | |
3713 | { | |
3714 | ||
847a50fd | 3715 | QETH_DBF_TEXT(SETUP, 5, "unregnot"); |
4a71df50 FB |
3716 | BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
3717 | #ifdef CONFIG_QETH_IPV6 | |
3718 | BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); | |
3719 | #endif /* QETH_IPV6 */ | |
3720 | } | |
3721 | ||
3722 | static int __init qeth_l3_init(void) | |
3723 | { | |
3724 | int rc = 0; | |
3725 | ||
74eacdb9 | 3726 | pr_info("register layer 3 discipline\n"); |
4a71df50 FB |
3727 | rc = qeth_l3_register_notifiers(); |
3728 | return rc; | |
3729 | } | |
3730 | ||
3731 | static void __exit qeth_l3_exit(void) | |
3732 | { | |
3733 | qeth_l3_unregister_notifiers(); | |
74eacdb9 | 3734 | pr_info("unregister layer 3 discipline\n"); |
4a71df50 FB |
3735 | } |
3736 | ||
3737 | module_init(qeth_l3_init); | |
3738 | module_exit(qeth_l3_exit); | |
3739 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
3740 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
3741 | MODULE_LICENSE("GPL"); |