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Commit | Line | Data |
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4a71df50 | 1 | /* |
bbcfcdc8 | 2 | * Copyright IBM Corp. 2007, 2009 |
4a71df50 FB |
3 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
4 | * Frank Pavlic <fpavlic@de.ibm.com>, | |
5 | * Thomas Spatzier <tspat@de.ibm.com>, | |
6 | * Frank Blaschka <frank.blaschka@de.ibm.com> | |
7 | */ | |
8 | ||
74eacdb9 FB |
9 | #define KMSG_COMPONENT "qeth" |
10 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt | |
11 | ||
4a71df50 FB |
12 | #include <linux/module.h> |
13 | #include <linux/moduleparam.h> | |
7ff0bcf6 | 14 | #include <linux/bitops.h> |
4a71df50 FB |
15 | #include <linux/string.h> |
16 | #include <linux/errno.h> | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/etherdevice.h> | |
19 | #include <linux/mii.h> | |
20 | #include <linux/ip.h> | |
64ef8957 | 21 | #include <linux/ipv6.h> |
4a71df50 FB |
22 | #include <linux/inetdevice.h> |
23 | #include <linux/igmp.h> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
7ff0bcf6 | 25 | #include <linux/if_vlan.h> |
4a71df50 FB |
26 | |
27 | #include <net/ip.h> | |
28 | #include <net/arp.h> | |
87e7597b DM |
29 | #include <net/route.h> |
30 | #include <net/ip6_fib.h> | |
64ef8957 | 31 | #include <net/ip6_checksum.h> |
b3332930 | 32 | #include <net/iucv/af_iucv.h> |
4a71df50 | 33 | |
4a71df50 | 34 | #include "qeth_l3.h" |
4a71df50 | 35 | |
d0ddf30f | 36 | |
4a71df50 FB |
37 | static int qeth_l3_set_offline(struct ccwgroup_device *); |
38 | static int qeth_l3_recover(void *); | |
39 | static int qeth_l3_stop(struct net_device *); | |
40 | static void qeth_l3_set_multicast_list(struct net_device *); | |
41 | static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *); | |
42 | static int qeth_l3_register_addr_entry(struct qeth_card *, | |
43 | struct qeth_ipaddr *); | |
44 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, | |
45 | struct qeth_ipaddr *); | |
46 | static int __qeth_l3_set_online(struct ccwgroup_device *, int); | |
47 | static int __qeth_l3_set_offline(struct ccwgroup_device *, int); | |
48 | ||
4a71df50 FB |
49 | static int qeth_l3_isxdigit(char *buf) |
50 | { | |
51 | while (*buf) { | |
52 | if (!isxdigit(*buf++)) | |
53 | return 0; | |
54 | } | |
55 | return 1; | |
56 | } | |
57 | ||
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; | |
a68be015 | 66 | unsigned int in[4]; |
4a71df50 FB |
67 | char c; |
68 | ||
69 | rc = sscanf(buf, "%u.%u.%u.%u%c", | |
70 | &in[0], &in[1], &in[2], &in[3], &c); | |
71 | if (rc != 4 && (rc != 5 || c != '\n')) | |
72 | return -EINVAL; | |
73 | for (count = 0; count < 4; count++) { | |
74 | if (in[count] > 255) | |
75 | return -EINVAL; | |
76 | addr[count] = in[count]; | |
77 | } | |
78 | return 0; | |
79 | } | |
80 | ||
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 | ||
82e2e782 | 626 | static int qeth_l3_correct_routing_type(struct qeth_card *card, |
4a71df50 FB |
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: | |
82e2e782 | 635 | return 0; |
4a71df50 FB |
636 | default: |
637 | goto out_inval; | |
638 | } | |
639 | } else { | |
640 | switch (*type) { | |
641 | case NO_ROUTER: | |
642 | case PRIMARY_ROUTER: | |
643 | case SECONDARY_ROUTER: | |
82e2e782 | 644 | return 0; |
4a71df50 FB |
645 | case MULTICAST_ROUTER: |
646 | if (qeth_is_ipafunc_supported(card, prot, | |
647 | IPA_OSA_MC_ROUTER)) | |
82e2e782 | 648 | return 0; |
4a71df50 FB |
649 | default: |
650 | goto out_inval; | |
651 | } | |
652 | } | |
653 | out_inval: | |
4a71df50 | 654 | *type = NO_ROUTER; |
82e2e782 | 655 | return -EINVAL; |
4a71df50 FB |
656 | } |
657 | ||
658 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
659 | { | |
660 | int rc; | |
661 | ||
847a50fd | 662 | QETH_CARD_TEXT(card, 3, "setrtg4"); |
4a71df50 | 663 | |
82e2e782 | 664 | rc = qeth_l3_correct_routing_type(card, &card->options.route4.type, |
4a71df50 | 665 | QETH_PROT_IPV4); |
82e2e782 SR |
666 | if (rc) |
667 | return rc; | |
4a71df50 FB |
668 | |
669 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
670 | QETH_PROT_IPV4); | |
671 | if (rc) { | |
672 | card->options.route4.type = NO_ROUTER; | |
14cc21b6 FB |
673 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
674 | " on %s. Type set to 'no router'.\n", rc, | |
675 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
676 | } |
677 | return rc; | |
678 | } | |
679 | ||
680 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
681 | { | |
682 | int rc = 0; | |
683 | ||
847a50fd | 684 | QETH_CARD_TEXT(card, 3, "setrtg6"); |
4a71df50 FB |
685 | #ifdef CONFIG_QETH_IPV6 |
686 | ||
687 | if (!qeth_is_supported(card, IPA_IPV6)) | |
688 | return 0; | |
82e2e782 | 689 | rc = qeth_l3_correct_routing_type(card, &card->options.route6.type, |
4a71df50 | 690 | QETH_PROT_IPV6); |
82e2e782 SR |
691 | if (rc) |
692 | return rc; | |
4a71df50 FB |
693 | |
694 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
695 | QETH_PROT_IPV6); | |
696 | if (rc) { | |
697 | card->options.route6.type = NO_ROUTER; | |
14cc21b6 FB |
698 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
699 | " on %s. Type set to 'no router'.\n", rc, | |
700 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
701 | } |
702 | #endif | |
703 | return rc; | |
704 | } | |
705 | ||
706 | /* | |
707 | * IP address takeover related functions | |
708 | */ | |
709 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) | |
710 | { | |
711 | ||
712 | struct qeth_ipato_entry *ipatoe, *tmp; | |
713 | unsigned long flags; | |
714 | ||
715 | spin_lock_irqsave(&card->ip_lock, flags); | |
716 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
717 | list_del(&ipatoe->entry); | |
718 | kfree(ipatoe); | |
719 | } | |
720 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
721 | } | |
722 | ||
723 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
724 | struct qeth_ipato_entry *new) | |
725 | { | |
726 | struct qeth_ipato_entry *ipatoe; | |
727 | unsigned long flags; | |
728 | int rc = 0; | |
729 | ||
847a50fd | 730 | QETH_CARD_TEXT(card, 2, "addipato"); |
4a71df50 FB |
731 | spin_lock_irqsave(&card->ip_lock, flags); |
732 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
733 | if (ipatoe->proto != new->proto) | |
734 | continue; | |
735 | if (!memcmp(ipatoe->addr, new->addr, | |
736 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
737 | (ipatoe->mask_bits == new->mask_bits)) { | |
4a71df50 FB |
738 | rc = -EEXIST; |
739 | break; | |
740 | } | |
741 | } | |
742 | if (!rc) | |
743 | list_add_tail(&new->entry, &card->ipato.entries); | |
744 | ||
745 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
746 | return rc; | |
747 | } | |
748 | ||
749 | void qeth_l3_del_ipato_entry(struct qeth_card *card, | |
750 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) | |
751 | { | |
752 | struct qeth_ipato_entry *ipatoe, *tmp; | |
753 | unsigned long flags; | |
754 | ||
847a50fd | 755 | QETH_CARD_TEXT(card, 2, "delipato"); |
4a71df50 FB |
756 | spin_lock_irqsave(&card->ip_lock, flags); |
757 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
758 | if (ipatoe->proto != proto) | |
759 | continue; | |
760 | if (!memcmp(ipatoe->addr, addr, | |
761 | (proto == QETH_PROT_IPV4)? 4:16) && | |
762 | (ipatoe->mask_bits == mask_bits)) { | |
763 | list_del(&ipatoe->entry); | |
764 | kfree(ipatoe); | |
765 | } | |
766 | } | |
767 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
768 | } | |
769 | ||
770 | /* | |
771 | * VIPA related functions | |
772 | */ | |
773 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
774 | const u8 *addr) | |
775 | { | |
776 | struct qeth_ipaddr *ipaddr; | |
777 | unsigned long flags; | |
778 | int rc = 0; | |
779 | ||
780 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
781 | if (ipaddr) { | |
782 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 783 | QETH_CARD_TEXT(card, 2, "addvipa4"); |
4a71df50 FB |
784 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
785 | ipaddr->u.a4.mask = 0; | |
786 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 787 | QETH_CARD_TEXT(card, 2, "addvipa6"); |
4a71df50 FB |
788 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
789 | ipaddr->u.a6.pfxlen = 0; | |
790 | } | |
791 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
792 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
793 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
794 | } else | |
795 | return -ENOMEM; | |
796 | spin_lock_irqsave(&card->ip_lock, flags); | |
797 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
798 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
799 | rc = -EEXIST; | |
800 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
801 | if (rc) { | |
f68bd07c | 802 | kfree(ipaddr); |
4a71df50 FB |
803 | return rc; |
804 | } | |
805 | if (!qeth_l3_add_ip(card, ipaddr)) | |
806 | kfree(ipaddr); | |
807 | qeth_l3_set_ip_addr_list(card); | |
808 | return rc; | |
809 | } | |
810 | ||
811 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
812 | const u8 *addr) | |
813 | { | |
814 | struct qeth_ipaddr *ipaddr; | |
815 | ||
816 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
817 | if (ipaddr) { | |
818 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 819 | QETH_CARD_TEXT(card, 2, "delvipa4"); |
4a71df50 FB |
820 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
821 | ipaddr->u.a4.mask = 0; | |
822 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 823 | QETH_CARD_TEXT(card, 2, "delvipa6"); |
4a71df50 FB |
824 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
825 | ipaddr->u.a6.pfxlen = 0; | |
826 | } | |
827 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
828 | } else | |
829 | return; | |
830 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
831 | kfree(ipaddr); | |
832 | qeth_l3_set_ip_addr_list(card); | |
833 | } | |
834 | ||
835 | /* | |
836 | * proxy ARP related functions | |
837 | */ | |
838 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
839 | const u8 *addr) | |
840 | { | |
841 | struct qeth_ipaddr *ipaddr; | |
842 | unsigned long flags; | |
843 | int rc = 0; | |
844 | ||
845 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
846 | if (ipaddr) { | |
847 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 848 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
849 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
850 | ipaddr->u.a4.mask = 0; | |
851 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 852 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
853 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
854 | ipaddr->u.a6.pfxlen = 0; | |
855 | } | |
856 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
857 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
858 | ipaddr->del_flags = 0; | |
859 | } else | |
860 | return -ENOMEM; | |
861 | spin_lock_irqsave(&card->ip_lock, flags); | |
862 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
863 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
864 | rc = -EEXIST; | |
865 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
866 | if (rc) { | |
f68bd07c | 867 | kfree(ipaddr); |
4a71df50 FB |
868 | return rc; |
869 | } | |
870 | if (!qeth_l3_add_ip(card, ipaddr)) | |
871 | kfree(ipaddr); | |
872 | qeth_l3_set_ip_addr_list(card); | |
873 | return 0; | |
874 | } | |
875 | ||
876 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
877 | const u8 *addr) | |
878 | { | |
879 | struct qeth_ipaddr *ipaddr; | |
880 | ||
881 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
882 | if (ipaddr) { | |
883 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 884 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
885 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
886 | ipaddr->u.a4.mask = 0; | |
887 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 888 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
889 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
890 | ipaddr->u.a6.pfxlen = 0; | |
891 | } | |
892 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
893 | } else | |
894 | return; | |
895 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
896 | kfree(ipaddr); | |
897 | qeth_l3_set_ip_addr_list(card); | |
898 | } | |
899 | ||
900 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
901 | struct qeth_ipaddr *addr) | |
902 | { | |
903 | char buf[50]; | |
904 | int rc = 0; | |
905 | int cnt = 3; | |
906 | ||
907 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
908 | QETH_CARD_TEXT(card, 2, "setaddr4"); |
909 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 910 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
911 | QETH_CARD_TEXT(card, 2, "setaddr6"); |
912 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
913 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 914 | } else { |
847a50fd CO |
915 | QETH_CARD_TEXT(card, 2, "setaddr?"); |
916 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
917 | } |
918 | do { | |
919 | if (addr->is_multicast) | |
920 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
921 | else | |
922 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, | |
923 | addr->set_flags); | |
924 | if (rc) | |
847a50fd | 925 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
926 | } while ((--cnt > 0) && rc); |
927 | if (rc) { | |
847a50fd | 928 | QETH_CARD_TEXT(card, 2, "FAILED"); |
4a71df50 | 929 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
74eacdb9 FB |
930 | dev_warn(&card->gdev->dev, |
931 | "Registering IP address %s failed\n", buf); | |
4a71df50 FB |
932 | } |
933 | return rc; | |
934 | } | |
935 | ||
936 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
937 | struct qeth_ipaddr *addr) | |
938 | { | |
939 | int rc = 0; | |
940 | ||
941 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
942 | QETH_CARD_TEXT(card, 2, "deladdr4"); |
943 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 944 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
945 | QETH_CARD_TEXT(card, 2, "deladdr6"); |
946 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
947 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 948 | } else { |
847a50fd CO |
949 | QETH_CARD_TEXT(card, 2, "deladdr?"); |
950 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
951 | } |
952 | if (addr->is_multicast) | |
953 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
954 | else | |
955 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, | |
956 | addr->del_flags); | |
c4cef07c | 957 | if (rc) |
847a50fd | 958 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
959 | |
960 | return rc; | |
961 | } | |
962 | ||
963 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) | |
964 | { | |
965 | if (cast_type == RTN_MULTICAST) | |
966 | return QETH_CAST_MULTICAST; | |
967 | if (cast_type == RTN_BROADCAST) | |
968 | return QETH_CAST_BROADCAST; | |
969 | return QETH_CAST_UNICAST; | |
970 | } | |
971 | ||
972 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) | |
973 | { | |
974 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
975 | if (cast_type == RTN_MULTICAST) | |
976 | return ct | QETH_CAST_MULTICAST; | |
977 | if (cast_type == RTN_ANYCAST) | |
978 | return ct | QETH_CAST_ANYCAST; | |
979 | if (cast_type == RTN_BROADCAST) | |
980 | return ct | QETH_CAST_BROADCAST; | |
981 | return ct | QETH_CAST_UNICAST; | |
982 | } | |
983 | ||
4a71df50 FB |
984 | static int qeth_l3_setadapter_parms(struct qeth_card *card) |
985 | { | |
986 | int rc; | |
987 | ||
d11ba0c4 | 988 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
4a71df50 FB |
989 | |
990 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { | |
74eacdb9 FB |
991 | dev_info(&card->gdev->dev, |
992 | "set adapter parameters not supported.\n"); | |
d11ba0c4 | 993 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
4a71df50 FB |
994 | return 0; |
995 | } | |
996 | rc = qeth_query_setadapterparms(card); | |
997 | if (rc) { | |
74eacdb9 | 998 | QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: " |
7f6d95e7 | 999 | "0x%x\n", dev_name(&card->gdev->dev), rc); |
4a71df50 FB |
1000 | return rc; |
1001 | } | |
1002 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
1003 | rc = qeth_setadpparms_change_macaddr(card); | |
1004 | if (rc) | |
74eacdb9 | 1005 | dev_warn(&card->gdev->dev, "Reading the adapter MAC" |
6ea2fde1 | 1006 | " address failed\n"); |
4a71df50 FB |
1007 | } |
1008 | ||
4a71df50 FB |
1009 | return rc; |
1010 | } | |
1011 | ||
1012 | static int qeth_l3_default_setassparms_cb(struct qeth_card *card, | |
1013 | struct qeth_reply *reply, unsigned long data) | |
1014 | { | |
1015 | struct qeth_ipa_cmd *cmd; | |
1016 | ||
847a50fd | 1017 | QETH_CARD_TEXT(card, 4, "defadpcb"); |
4a71df50 FB |
1018 | |
1019 | cmd = (struct qeth_ipa_cmd *) data; | |
1020 | if (cmd->hdr.return_code == 0) { | |
1021 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
1022 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
1023 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1024 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
1025 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1026 | } | |
1027 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
1028 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1029 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1030 | QETH_CARD_TEXT_(card, 3, "csum:%d", card->info.csum_mask); |
4a71df50 | 1031 | } |
f6b85b6c FB |
1032 | if (cmd->data.setassparms.hdr.assist_no == IPA_OUTBOUND_CHECKSUM && |
1033 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1034 | card->info.tx_csum_mask = | |
1035 | cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1036 | QETH_CARD_TEXT_(card, 3, "tcsu:%d", card->info.tx_csum_mask); |
f6b85b6c FB |
1037 | } |
1038 | ||
4a71df50 FB |
1039 | return 0; |
1040 | } | |
1041 | ||
1042 | static struct qeth_cmd_buffer *qeth_l3_get_setassparms_cmd( | |
1043 | struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, | |
1044 | __u16 len, enum qeth_prot_versions prot) | |
1045 | { | |
1046 | struct qeth_cmd_buffer *iob; | |
1047 | struct qeth_ipa_cmd *cmd; | |
1048 | ||
847a50fd | 1049 | QETH_CARD_TEXT(card, 4, "getasscm"); |
4a71df50 FB |
1050 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETASSPARMS, prot); |
1051 | ||
1052 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1053 | cmd->data.setassparms.hdr.assist_no = ipa_func; | |
1054 | cmd->data.setassparms.hdr.length = 8 + len; | |
1055 | cmd->data.setassparms.hdr.command_code = cmd_code; | |
1056 | cmd->data.setassparms.hdr.return_code = 0; | |
1057 | cmd->data.setassparms.hdr.seq_no = 0; | |
1058 | ||
1059 | return iob; | |
1060 | } | |
1061 | ||
1062 | static int qeth_l3_send_setassparms(struct qeth_card *card, | |
1063 | struct qeth_cmd_buffer *iob, __u16 len, long data, | |
1064 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
1065 | unsigned long), | |
1066 | void *reply_param) | |
1067 | { | |
1068 | int rc; | |
1069 | struct qeth_ipa_cmd *cmd; | |
1070 | ||
847a50fd | 1071 | QETH_CARD_TEXT(card, 4, "sendassp"); |
4a71df50 FB |
1072 | |
1073 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1074 | if (len <= sizeof(__u32)) | |
1075 | cmd->data.setassparms.data.flags_32bit = (__u32) data; | |
1076 | else /* (len > sizeof(__u32)) */ | |
1077 | memcpy(&cmd->data.setassparms.data, (void *) data, len); | |
1078 | ||
1079 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); | |
1080 | return rc; | |
1081 | } | |
1082 | ||
1083 | #ifdef CONFIG_QETH_IPV6 | |
1084 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, | |
1085 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
1086 | { | |
1087 | int rc; | |
1088 | struct qeth_cmd_buffer *iob; | |
1089 | ||
847a50fd | 1090 | QETH_CARD_TEXT(card, 4, "simassp6"); |
4a71df50 FB |
1091 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, |
1092 | 0, QETH_PROT_IPV6); | |
1093 | rc = qeth_l3_send_setassparms(card, iob, 0, 0, | |
1094 | qeth_l3_default_setassparms_cb, NULL); | |
1095 | return rc; | |
1096 | } | |
1097 | #endif | |
1098 | ||
1099 | static int qeth_l3_send_simple_setassparms(struct qeth_card *card, | |
1100 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code, long data) | |
1101 | { | |
1102 | int rc; | |
1103 | int length = 0; | |
1104 | struct qeth_cmd_buffer *iob; | |
1105 | ||
847a50fd | 1106 | QETH_CARD_TEXT(card, 4, "simassp4"); |
4a71df50 FB |
1107 | if (data) |
1108 | length = sizeof(__u32); | |
1109 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, | |
1110 | length, QETH_PROT_IPV4); | |
1111 | rc = qeth_l3_send_setassparms(card, iob, length, data, | |
1112 | qeth_l3_default_setassparms_cb, NULL); | |
1113 | return rc; | |
1114 | } | |
1115 | ||
1116 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) | |
1117 | { | |
1118 | int rc; | |
1119 | ||
847a50fd | 1120 | QETH_CARD_TEXT(card, 3, "ipaarp"); |
4a71df50 FB |
1121 | |
1122 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
74eacdb9 FB |
1123 | dev_info(&card->gdev->dev, |
1124 | "ARP processing not supported on %s!\n", | |
1125 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1126 | return 0; |
1127 | } | |
1128 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
1129 | IPA_CMD_ASS_START, 0); | |
1130 | if (rc) { | |
74eacdb9 FB |
1131 | dev_warn(&card->gdev->dev, |
1132 | "Starting ARP processing support for %s failed\n", | |
1133 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1134 | } |
1135 | return rc; | |
1136 | } | |
1137 | ||
1138 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) | |
1139 | { | |
1140 | int rc; | |
1141 | ||
847a50fd | 1142 | QETH_CARD_TEXT(card, 3, "ipaipfrg"); |
4a71df50 FB |
1143 | |
1144 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
74eacdb9 FB |
1145 | dev_info(&card->gdev->dev, |
1146 | "Hardware IP fragmentation not supported on %s\n", | |
1147 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1148 | return -EOPNOTSUPP; |
1149 | } | |
1150 | ||
1151 | rc = qeth_l3_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, | |
1152 | IPA_CMD_ASS_START, 0); | |
1153 | if (rc) { | |
74eacdb9 FB |
1154 | dev_warn(&card->gdev->dev, |
1155 | "Starting IP fragmentation support for %s failed\n", | |
1156 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1157 | } else |
74eacdb9 FB |
1158 | dev_info(&card->gdev->dev, |
1159 | "Hardware IP fragmentation enabled \n"); | |
4a71df50 FB |
1160 | return rc; |
1161 | } | |
1162 | ||
1163 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) | |
1164 | { | |
1165 | int rc; | |
1166 | ||
847a50fd | 1167 | QETH_CARD_TEXT(card, 3, "stsrcmac"); |
4a71df50 | 1168 | |
4a71df50 | 1169 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
74eacdb9 | 1170 | dev_info(&card->gdev->dev, |
fe94e2e0 | 1171 | "Inbound source MAC-address not supported on %s\n", |
74eacdb9 | 1172 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1173 | return -EOPNOTSUPP; |
1174 | } | |
1175 | ||
1176 | rc = qeth_l3_send_simple_setassparms(card, IPA_SOURCE_MAC, | |
1177 | IPA_CMD_ASS_START, 0); | |
1178 | if (rc) | |
74eacdb9 | 1179 | dev_warn(&card->gdev->dev, |
fe94e2e0 | 1180 | "Starting source MAC-address support for %s failed\n", |
74eacdb9 | 1181 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1182 | return rc; |
1183 | } | |
1184 | ||
1185 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
1186 | { | |
1187 | int rc = 0; | |
1188 | ||
847a50fd | 1189 | QETH_CARD_TEXT(card, 3, "strtvlan"); |
4a71df50 FB |
1190 | |
1191 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
74eacdb9 FB |
1192 | dev_info(&card->gdev->dev, |
1193 | "VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1194 | return -EOPNOTSUPP; |
1195 | } | |
1196 | ||
1197 | rc = qeth_l3_send_simple_setassparms(card, IPA_VLAN_PRIO, | |
1198 | IPA_CMD_ASS_START, 0); | |
1199 | if (rc) { | |
74eacdb9 FB |
1200 | dev_warn(&card->gdev->dev, |
1201 | "Starting VLAN support for %s failed\n", | |
1202 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1203 | } else { |
74eacdb9 | 1204 | dev_info(&card->gdev->dev, "VLAN enabled\n"); |
4a71df50 FB |
1205 | } |
1206 | return rc; | |
1207 | } | |
1208 | ||
1209 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
1210 | { | |
1211 | int rc; | |
1212 | ||
847a50fd | 1213 | QETH_CARD_TEXT(card, 3, "stmcast"); |
4a71df50 FB |
1214 | |
1215 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
74eacdb9 FB |
1216 | dev_info(&card->gdev->dev, |
1217 | "Multicast not supported on %s\n", | |
1218 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1219 | return -EOPNOTSUPP; |
1220 | } | |
1221 | ||
1222 | rc = qeth_l3_send_simple_setassparms(card, IPA_MULTICASTING, | |
1223 | IPA_CMD_ASS_START, 0); | |
1224 | if (rc) { | |
74eacdb9 FB |
1225 | dev_warn(&card->gdev->dev, |
1226 | "Starting multicast support for %s failed\n", | |
1227 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1228 | } else { |
74eacdb9 | 1229 | dev_info(&card->gdev->dev, "Multicast enabled\n"); |
4a71df50 FB |
1230 | card->dev->flags |= IFF_MULTICAST; |
1231 | } | |
1232 | return rc; | |
1233 | } | |
1234 | ||
4a71df50 FB |
1235 | #ifdef CONFIG_QETH_IPV6 |
1236 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) | |
1237 | { | |
1238 | int rc; | |
1239 | ||
847a50fd | 1240 | QETH_CARD_TEXT(card, 3, "softipv6"); |
4a71df50 FB |
1241 | |
1242 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1243 | goto out; | |
1244 | ||
1da74b1c | 1245 | rc = qeth_query_ipassists(card, QETH_PROT_IPV6); |
4a71df50 | 1246 | if (rc) { |
74eacdb9 FB |
1247 | dev_err(&card->gdev->dev, |
1248 | "Activating IPv6 support for %s failed\n", | |
1249 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1250 | return rc; |
1251 | } | |
1252 | rc = qeth_l3_send_simple_setassparms(card, IPA_IPV6, | |
1253 | IPA_CMD_ASS_START, 3); | |
1254 | if (rc) { | |
74eacdb9 FB |
1255 | dev_err(&card->gdev->dev, |
1256 | "Activating IPv6 support for %s failed\n", | |
1257 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1258 | return rc; |
1259 | } | |
1260 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
1261 | IPA_CMD_ASS_START); | |
1262 | if (rc) { | |
74eacdb9 FB |
1263 | dev_err(&card->gdev->dev, |
1264 | "Activating IPv6 support for %s failed\n", | |
1265 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1266 | return rc; |
1267 | } | |
1268 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
1269 | IPA_CMD_ASS_START); | |
1270 | if (rc) { | |
74eacdb9 FB |
1271 | dev_warn(&card->gdev->dev, |
1272 | "Enabling the passthrough mode for %s failed\n", | |
1273 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1274 | return rc; |
1275 | } | |
1276 | out: | |
74eacdb9 | 1277 | dev_info(&card->gdev->dev, "IPV6 enabled\n"); |
4a71df50 FB |
1278 | return 0; |
1279 | } | |
1280 | #endif | |
1281 | ||
1282 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
1283 | { | |
1284 | int rc = 0; | |
1285 | ||
847a50fd | 1286 | QETH_CARD_TEXT(card, 3, "strtipv6"); |
4a71df50 FB |
1287 | |
1288 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
74eacdb9 FB |
1289 | dev_info(&card->gdev->dev, |
1290 | "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1291 | return 0; |
1292 | } | |
1293 | #ifdef CONFIG_QETH_IPV6 | |
1294 | rc = qeth_l3_softsetup_ipv6(card); | |
1295 | #endif | |
1296 | return rc ; | |
1297 | } | |
1298 | ||
1299 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
1300 | { | |
1301 | int rc; | |
1302 | ||
847a50fd | 1303 | QETH_CARD_TEXT(card, 3, "stbrdcst"); |
4a71df50 FB |
1304 | card->info.broadcast_capable = 0; |
1305 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
74eacdb9 FB |
1306 | dev_info(&card->gdev->dev, |
1307 | "Broadcast not supported on %s\n", | |
1308 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1309 | rc = -EOPNOTSUPP; |
1310 | goto out; | |
1311 | } | |
1312 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1313 | IPA_CMD_ASS_START, 0); | |
1314 | if (rc) { | |
74eacdb9 FB |
1315 | dev_warn(&card->gdev->dev, "Enabling broadcast filtering for " |
1316 | "%s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1317 | goto out; |
1318 | } | |
1319 | ||
1320 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1321 | IPA_CMD_ASS_CONFIGURE, 1); | |
1322 | if (rc) { | |
74eacdb9 FB |
1323 | dev_warn(&card->gdev->dev, |
1324 | "Setting up broadcast filtering for %s failed\n", | |
1325 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1326 | goto out; |
1327 | } | |
1328 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
74eacdb9 | 1329 | dev_info(&card->gdev->dev, "Broadcast enabled\n"); |
4a71df50 FB |
1330 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, |
1331 | IPA_CMD_ASS_ENABLE, 1); | |
1332 | if (rc) { | |
74eacdb9 FB |
1333 | dev_warn(&card->gdev->dev, "Setting up broadcast echo " |
1334 | "filtering for %s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1335 | goto out; |
1336 | } | |
1337 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
1338 | out: | |
1339 | if (card->info.broadcast_capable) | |
1340 | card->dev->flags |= IFF_BROADCAST; | |
1341 | else | |
1342 | card->dev->flags &= ~IFF_BROADCAST; | |
1343 | return rc; | |
1344 | } | |
1345 | ||
1346 | static int qeth_l3_send_checksum_command(struct qeth_card *card) | |
1347 | { | |
1348 | int rc; | |
1349 | ||
1350 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1351 | IPA_CMD_ASS_START, 0); | |
1352 | if (rc) { | |
74eacdb9 FB |
1353 | dev_warn(&card->gdev->dev, "Starting HW checksumming for %s " |
1354 | "failed, using SW checksumming\n", | |
1355 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1356 | return rc; |
1357 | } | |
1358 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1359 | IPA_CMD_ASS_ENABLE, | |
1360 | card->info.csum_mask); | |
1361 | if (rc) { | |
74eacdb9 FB |
1362 | dev_warn(&card->gdev->dev, "Enabling HW checksumming for %s " |
1363 | "failed, using SW checksumming\n", | |
1364 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1365 | return rc; |
1366 | } | |
1367 | return 0; | |
1368 | } | |
1369 | ||
c4736d96 | 1370 | static int qeth_l3_set_rx_csum(struct qeth_card *card, int on) |
3fd434d8 FB |
1371 | { |
1372 | int rc = 0; | |
1373 | ||
c5e631a8 | 1374 | if (on) { |
60a34277 FB |
1375 | rc = qeth_l3_send_checksum_command(card); |
1376 | if (rc) | |
1377 | return -EIO; | |
1378 | dev_info(&card->gdev->dev, | |
1379 | "HW Checksumming (inbound) enabled\n"); | |
3fd434d8 | 1380 | } else { |
60a34277 FB |
1381 | rc = qeth_l3_send_simple_setassparms(card, |
1382 | IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); | |
1383 | if (rc) | |
1384 | return -EIO; | |
3fd434d8 | 1385 | } |
c5e631a8 | 1386 | |
60a34277 | 1387 | return 0; |
3fd434d8 FB |
1388 | } |
1389 | ||
4a71df50 FB |
1390 | static int qeth_l3_start_ipa_checksum(struct qeth_card *card) |
1391 | { | |
847a50fd | 1392 | QETH_CARD_TEXT(card, 3, "strtcsum"); |
4a71df50 | 1393 | |
c5e631a8 | 1394 | if (card->dev->features & NETIF_F_RXCSUM) { |
60a34277 FB |
1395 | rtnl_lock(); |
1396 | /* force set_features call */ | |
1397 | card->dev->features &= ~NETIF_F_RXCSUM; | |
1398 | netdev_update_features(card->dev); | |
1399 | rtnl_unlock(); | |
1400 | } | |
c5e631a8 | 1401 | return 0; |
4a71df50 FB |
1402 | } |
1403 | ||
f6b85b6c FB |
1404 | static int qeth_l3_start_ipa_tx_checksum(struct qeth_card *card) |
1405 | { | |
1406 | int rc = 0; | |
1407 | ||
1408 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) | |
1409 | return rc; | |
1410 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1411 | IPA_CMD_ASS_START, 0); | |
1412 | if (rc) | |
1413 | goto err_out; | |
1414 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1415 | IPA_CMD_ASS_ENABLE, card->info.tx_csum_mask); | |
1416 | if (rc) | |
1417 | goto err_out; | |
1418 | dev_info(&card->gdev->dev, "HW TX Checksumming enabled\n"); | |
1419 | return rc; | |
1420 | err_out: | |
1421 | dev_warn(&card->gdev->dev, "Enabling HW TX checksumming for %s " | |
1422 | "failed, using SW TX checksumming\n", QETH_CARD_IFNAME(card)); | |
1423 | return rc; | |
1424 | } | |
1425 | ||
4a71df50 FB |
1426 | static int qeth_l3_start_ipa_tso(struct qeth_card *card) |
1427 | { | |
1428 | int rc; | |
1429 | ||
847a50fd | 1430 | QETH_CARD_TEXT(card, 3, "sttso"); |
4a71df50 FB |
1431 | |
1432 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
74eacdb9 FB |
1433 | dev_info(&card->gdev->dev, |
1434 | "Outbound TSO not supported on %s\n", | |
1435 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1436 | rc = -EOPNOTSUPP; |
1437 | } else { | |
1438 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_TSO, | |
1439 | IPA_CMD_ASS_START, 0); | |
1440 | if (rc) | |
74eacdb9 FB |
1441 | dev_warn(&card->gdev->dev, "Starting outbound TCP " |
1442 | "segmentation offload for %s failed\n", | |
1443 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1444 | else |
74eacdb9 FB |
1445 | dev_info(&card->gdev->dev, |
1446 | "Outbound TSO enabled\n"); | |
4a71df50 | 1447 | } |
6204b47e MM |
1448 | if (rc) |
1449 | card->dev->features &= ~NETIF_F_TSO; | |
4a71df50 FB |
1450 | return rc; |
1451 | } | |
1452 | ||
1453 | static int qeth_l3_start_ipassists(struct qeth_card *card) | |
1454 | { | |
847a50fd | 1455 | QETH_CARD_TEXT(card, 3, "strtipas"); |
d64ecc22 | 1456 | |
0f54761d SR |
1457 | if (qeth_set_access_ctrl_online(card, 0)) |
1458 | return -EIO; | |
4a71df50 FB |
1459 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
1460 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ | |
1461 | qeth_l3_start_ipa_source_mac(card); /* go on*/ | |
1462 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
1463 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
1464 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
1465 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
1466 | qeth_l3_start_ipa_checksum(card); /* go on*/ | |
f6b85b6c | 1467 | qeth_l3_start_ipa_tx_checksum(card); |
4a71df50 FB |
1468 | qeth_l3_start_ipa_tso(card); /* go on*/ |
1469 | return 0; | |
1470 | } | |
1471 | ||
4a71df50 FB |
1472 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
1473 | struct qeth_reply *reply, unsigned long data) | |
1474 | { | |
1475 | struct qeth_ipa_cmd *cmd; | |
1476 | ||
1477 | cmd = (struct qeth_ipa_cmd *) data; | |
1478 | if (cmd->hdr.return_code == 0) | |
1479 | memcpy(card->dev->dev_addr, | |
1480 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); | |
1481 | else | |
1833611d | 1482 | eth_random_addr(card->dev->dev_addr); |
4a71df50 FB |
1483 | |
1484 | return 0; | |
1485 | } | |
1486 | ||
1487 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
1488 | { | |
1489 | int rc = 0; | |
1490 | struct qeth_cmd_buffer *iob; | |
1491 | struct qeth_ipa_cmd *cmd; | |
1492 | ||
d11ba0c4 | 1493 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
4a71df50 FB |
1494 | |
1495 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1496 | QETH_PROT_IPV6); | |
1497 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1498 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1499 | card->info.unique_id; | |
1500 | ||
1501 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
1502 | NULL); | |
1503 | return rc; | |
1504 | } | |
1505 | ||
1506 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
1507 | struct qeth_reply *reply, unsigned long data) | |
1508 | { | |
1509 | struct qeth_ipa_cmd *cmd; | |
1510 | ||
1511 | cmd = (struct qeth_ipa_cmd *) data; | |
1512 | if (cmd->hdr.return_code == 0) | |
1513 | card->info.unique_id = *((__u16 *) | |
1514 | &cmd->data.create_destroy_addr.unique_id[6]); | |
1515 | else { | |
1516 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1517 | UNIQUE_ID_NOT_BY_CARD; | |
74eacdb9 FB |
1518 | dev_warn(&card->gdev->dev, "The network adapter failed to " |
1519 | "generate a unique ID\n"); | |
4a71df50 FB |
1520 | } |
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | static int qeth_l3_get_unique_id(struct qeth_card *card) | |
1525 | { | |
1526 | int rc = 0; | |
1527 | struct qeth_cmd_buffer *iob; | |
1528 | struct qeth_ipa_cmd *cmd; | |
1529 | ||
d11ba0c4 | 1530 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
4a71df50 FB |
1531 | |
1532 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1533 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1534 | UNIQUE_ID_NOT_BY_CARD; | |
1535 | return 0; | |
1536 | } | |
1537 | ||
1538 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1539 | QETH_PROT_IPV6); | |
1540 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1541 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1542 | card->info.unique_id; | |
1543 | ||
1544 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); | |
1545 | return rc; | |
1546 | } | |
1547 | ||
76b11f8e UB |
1548 | static int |
1549 | qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1550 | unsigned long data) | |
1551 | { | |
1552 | struct qeth_ipa_cmd *cmd; | |
1553 | __u16 rc; | |
1554 | ||
1555 | QETH_DBF_TEXT(SETUP, 2, "diastrcb"); | |
1556 | ||
1557 | cmd = (struct qeth_ipa_cmd *)data; | |
1558 | rc = cmd->hdr.return_code; | |
a959189a | 1559 | if (rc) |
847a50fd | 1560 | QETH_CARD_TEXT_(card, 2, "dxter%x", rc); |
76b11f8e UB |
1561 | switch (cmd->data.diagass.action) { |
1562 | case QETH_DIAGS_CMD_TRACE_QUERY: | |
1563 | break; | |
1564 | case QETH_DIAGS_CMD_TRACE_DISABLE: | |
a959189a UB |
1565 | switch (rc) { |
1566 | case 0: | |
1567 | case IPA_RC_INVALID_SUBCMD: | |
1568 | card->info.promisc_mode = SET_PROMISC_MODE_OFF; | |
1569 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1570 | "traffic analyzer is deactivated\n"); | |
1571 | break; | |
1572 | default: | |
1573 | break; | |
1574 | } | |
76b11f8e UB |
1575 | break; |
1576 | case QETH_DIAGS_CMD_TRACE_ENABLE: | |
a959189a UB |
1577 | switch (rc) { |
1578 | case 0: | |
1579 | card->info.promisc_mode = SET_PROMISC_MODE_ON; | |
1580 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1581 | "traffic analyzer is activated\n"); | |
1582 | break; | |
1583 | case IPA_RC_HARDWARE_AUTH_ERROR: | |
1584 | dev_warn(&card->gdev->dev, "The device is not " | |
1585 | "authorized to run as a HiperSockets network " | |
1586 | "traffic analyzer\n"); | |
1587 | break; | |
1588 | case IPA_RC_TRACE_ALREADY_ACTIVE: | |
1589 | dev_warn(&card->gdev->dev, "A HiperSockets " | |
1590 | "network traffic analyzer is already " | |
1591 | "active in the HiperSockets LAN\n"); | |
1592 | break; | |
1593 | default: | |
1594 | break; | |
1595 | } | |
76b11f8e UB |
1596 | break; |
1597 | default: | |
1598 | QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n", | |
1599 | cmd->data.diagass.action, QETH_CARD_IFNAME(card)); | |
1600 | } | |
1601 | ||
1602 | return 0; | |
1603 | } | |
1604 | ||
1605 | static int | |
1606 | qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) | |
1607 | { | |
1608 | struct qeth_cmd_buffer *iob; | |
1609 | struct qeth_ipa_cmd *cmd; | |
1610 | ||
1611 | QETH_DBF_TEXT(SETUP, 2, "diagtrac"); | |
1612 | ||
1613 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
1614 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1615 | cmd->data.diagass.subcmd_len = 16; | |
1616 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE; | |
1617 | cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET; | |
1618 | cmd->data.diagass.action = diags_cmd; | |
1619 | return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL); | |
1620 | } | |
1621 | ||
4a71df50 FB |
1622 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, |
1623 | struct net_device *dev) | |
1624 | { | |
1abd2296 | 1625 | ip_eth_mc_map(ipm, mac); |
4a71df50 FB |
1626 | } |
1627 | ||
1628 | static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
1629 | { | |
1630 | struct qeth_ipaddr *ipm; | |
1631 | struct ip_mc_list *im4; | |
1632 | char buf[MAX_ADDR_LEN]; | |
1633 | ||
847a50fd | 1634 | QETH_CARD_TEXT(card, 4, "addmc"); |
f3aa3136 SS |
1635 | for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; |
1636 | im4 = rcu_dereference(im4->next_rcu)) { | |
4a71df50 FB |
1637 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); |
1638 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1639 | if (!ipm) | |
1640 | continue; | |
1641 | ipm->u.a4.addr = im4->multiaddr; | |
1642 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1643 | ipm->is_multicast = 1; | |
1644 | if (!qeth_l3_add_ip(card, ipm)) | |
1645 | kfree(ipm); | |
1646 | } | |
1647 | } | |
1648 | ||
0347af51 | 1649 | /* called with rcu_read_lock */ |
4a71df50 FB |
1650 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) |
1651 | { | |
1652 | struct in_device *in_dev; | |
7ff0bcf6 | 1653 | u16 vid; |
4a71df50 | 1654 | |
847a50fd | 1655 | QETH_CARD_TEXT(card, 4, "addmcvl"); |
7ff0bcf6 | 1656 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1657 | return; |
1658 | ||
7ff0bcf6 JP |
1659 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1660 | struct net_device *netdev; | |
1661 | ||
f06c7f9f | 1662 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 1663 | vid); |
4a71df50 FB |
1664 | if (netdev == NULL || |
1665 | !(netdev->flags & IFF_UP)) | |
1666 | continue; | |
0347af51 | 1667 | in_dev = __in_dev_get_rcu(netdev); |
4a71df50 FB |
1668 | if (!in_dev) |
1669 | continue; | |
4a71df50 | 1670 | qeth_l3_add_mc(card, in_dev); |
4a71df50 FB |
1671 | } |
1672 | } | |
1673 | ||
1674 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) | |
1675 | { | |
1676 | struct in_device *in4_dev; | |
1677 | ||
847a50fd | 1678 | QETH_CARD_TEXT(card, 4, "chkmcv4"); |
f3aa3136 | 1679 | rcu_read_lock(); |
0347af51 JP |
1680 | in4_dev = __in_dev_get_rcu(card->dev); |
1681 | if (in4_dev == NULL) | |
1682 | goto unlock; | |
4a71df50 FB |
1683 | qeth_l3_add_mc(card, in4_dev); |
1684 | qeth_l3_add_vlan_mc(card); | |
0347af51 | 1685 | unlock: |
f3aa3136 | 1686 | rcu_read_unlock(); |
4a71df50 FB |
1687 | } |
1688 | ||
1689 | #ifdef CONFIG_QETH_IPV6 | |
1690 | static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
1691 | { | |
1692 | struct qeth_ipaddr *ipm; | |
1693 | struct ifmcaddr6 *im6; | |
1694 | char buf[MAX_ADDR_LEN]; | |
1695 | ||
847a50fd | 1696 | QETH_CARD_TEXT(card, 4, "addmc6"); |
4a71df50 FB |
1697 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
1698 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
1699 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1700 | if (!ipm) | |
1701 | continue; | |
1702 | ipm->is_multicast = 1; | |
1703 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1704 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, | |
1705 | sizeof(struct in6_addr)); | |
1706 | if (!qeth_l3_add_ip(card, ipm)) | |
1707 | kfree(ipm); | |
1708 | } | |
1709 | } | |
1710 | ||
0347af51 | 1711 | /* called with rcu_read_lock */ |
4a71df50 FB |
1712 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) |
1713 | { | |
1714 | struct inet6_dev *in_dev; | |
7ff0bcf6 | 1715 | u16 vid; |
4a71df50 | 1716 | |
847a50fd | 1717 | QETH_CARD_TEXT(card, 4, "admc6vl"); |
7ff0bcf6 | 1718 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1719 | return; |
1720 | ||
7ff0bcf6 JP |
1721 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1722 | struct net_device *netdev; | |
1723 | ||
f06c7f9f | 1724 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 1725 | vid); |
4a71df50 FB |
1726 | if (netdev == NULL || |
1727 | !(netdev->flags & IFF_UP)) | |
1728 | continue; | |
1729 | in_dev = in6_dev_get(netdev); | |
1730 | if (!in_dev) | |
1731 | continue; | |
1732 | read_lock_bh(&in_dev->lock); | |
1733 | qeth_l3_add_mc6(card, in_dev); | |
1734 | read_unlock_bh(&in_dev->lock); | |
1735 | in6_dev_put(in_dev); | |
1736 | } | |
1737 | } | |
1738 | ||
1739 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) | |
1740 | { | |
1741 | struct inet6_dev *in6_dev; | |
1742 | ||
847a50fd | 1743 | QETH_CARD_TEXT(card, 4, "chkmcv6"); |
4a71df50 FB |
1744 | if (!qeth_is_supported(card, IPA_IPV6)) |
1745 | return ; | |
1746 | in6_dev = in6_dev_get(card->dev); | |
1747 | if (in6_dev == NULL) | |
1748 | return; | |
0347af51 | 1749 | rcu_read_lock(); |
4a71df50 FB |
1750 | read_lock_bh(&in6_dev->lock); |
1751 | qeth_l3_add_mc6(card, in6_dev); | |
1752 | qeth_l3_add_vlan_mc6(card); | |
1753 | read_unlock_bh(&in6_dev->lock); | |
0347af51 | 1754 | rcu_read_unlock(); |
4a71df50 FB |
1755 | in6_dev_put(in6_dev); |
1756 | } | |
1757 | #endif /* CONFIG_QETH_IPV6 */ | |
1758 | ||
1759 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, | |
1760 | unsigned short vid) | |
1761 | { | |
1762 | struct in_device *in_dev; | |
1763 | struct in_ifaddr *ifa; | |
1764 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1765 | struct net_device *netdev; |
4a71df50 | 1766 | |
847a50fd | 1767 | QETH_CARD_TEXT(card, 4, "frvaddr4"); |
4a71df50 | 1768 | |
f06c7f9f | 1769 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid); |
eabfbe62 | 1770 | if (!netdev) |
1771 | return; | |
7ff0bcf6 | 1772 | in_dev = in_dev_get(netdev); |
4a71df50 FB |
1773 | if (!in_dev) |
1774 | return; | |
1775 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
1776 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1777 | if (addr) { | |
1778 | addr->u.a4.addr = ifa->ifa_address; | |
1779 | addr->u.a4.mask = ifa->ifa_mask; | |
1780 | addr->type = QETH_IP_TYPE_NORMAL; | |
1781 | if (!qeth_l3_delete_ip(card, addr)) | |
1782 | kfree(addr); | |
1783 | } | |
1784 | } | |
1785 | in_dev_put(in_dev); | |
1786 | } | |
1787 | ||
1788 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, | |
1789 | unsigned short vid) | |
1790 | { | |
1791 | #ifdef CONFIG_QETH_IPV6 | |
1792 | struct inet6_dev *in6_dev; | |
1793 | struct inet6_ifaddr *ifa; | |
1794 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1795 | struct net_device *netdev; |
4a71df50 | 1796 | |
847a50fd | 1797 | QETH_CARD_TEXT(card, 4, "frvaddr6"); |
4a71df50 | 1798 | |
f06c7f9f | 1799 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid); |
eabfbe62 | 1800 | if (!netdev) |
1801 | return; | |
7ff0bcf6 | 1802 | in6_dev = in6_dev_get(netdev); |
4a71df50 FB |
1803 | if (!in6_dev) |
1804 | return; | |
70f60a22 | 1805 | list_for_each_entry(ifa, &in6_dev->addr_list, if_list) { |
4a71df50 FB |
1806 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
1807 | if (addr) { | |
1808 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
1809 | sizeof(struct in6_addr)); | |
1810 | addr->u.a6.pfxlen = ifa->prefix_len; | |
1811 | addr->type = QETH_IP_TYPE_NORMAL; | |
1812 | if (!qeth_l3_delete_ip(card, addr)) | |
1813 | kfree(addr); | |
1814 | } | |
1815 | } | |
1816 | in6_dev_put(in6_dev); | |
1817 | #endif /* CONFIG_QETH_IPV6 */ | |
1818 | } | |
1819 | ||
1820 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, | |
1821 | unsigned short vid) | |
1822 | { | |
0347af51 | 1823 | rcu_read_lock(); |
4a71df50 FB |
1824 | qeth_l3_free_vlan_addresses4(card, vid); |
1825 | qeth_l3_free_vlan_addresses6(card, vid); | |
0347af51 | 1826 | rcu_read_unlock(); |
4a71df50 FB |
1827 | } |
1828 | ||
80d5c368 PM |
1829 | static int qeth_l3_vlan_rx_add_vid(struct net_device *dev, |
1830 | __be16 proto, u16 vid) | |
4a71df50 | 1831 | { |
509e2562 | 1832 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 1833 | |
7ff0bcf6 | 1834 | set_bit(vid, card->active_vlans); |
8e586137 | 1835 | return 0; |
4a71df50 FB |
1836 | } |
1837 | ||
80d5c368 PM |
1838 | static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev, |
1839 | __be16 proto, u16 vid) | |
4a71df50 | 1840 | { |
509e2562 | 1841 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
1842 | unsigned long flags; |
1843 | ||
847a50fd | 1844 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
8e98ac48 | 1845 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 1846 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e586137 | 1847 | return 0; |
8e98ac48 | 1848 | } |
4a71df50 FB |
1849 | spin_lock_irqsave(&card->vlanlock, flags); |
1850 | /* unregister IP addresses of vlan device */ | |
1851 | qeth_l3_free_vlan_addresses(card, vid); | |
7ff0bcf6 | 1852 | clear_bit(vid, card->active_vlans); |
4a71df50 FB |
1853 | spin_unlock_irqrestore(&card->vlanlock, flags); |
1854 | qeth_l3_set_multicast_list(card->dev); | |
8e586137 | 1855 | return 0; |
4a71df50 FB |
1856 | } |
1857 | ||
10651db7 UB |
1858 | static inline int qeth_l3_rebuild_skb(struct qeth_card *card, |
1859 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
1860 | unsigned short *vlan_id) | |
4a71df50 | 1861 | { |
4a71df50 FB |
1862 | __be16 prot; |
1863 | struct iphdr *ip_hdr; | |
1864 | unsigned char tg_addr[MAX_ADDR_LEN]; | |
10651db7 | 1865 | int is_vlan = 0; |
4a71df50 FB |
1866 | |
1867 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { | |
1868 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
1869 | ETH_P_IP); | |
1870 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { | |
1871 | case QETH_CAST_MULTICAST: | |
1872 | switch (prot) { | |
1873 | #ifdef CONFIG_QETH_IPV6 | |
1874 | case __constant_htons(ETH_P_IPV6): | |
1875 | ndisc_mc_map((struct in6_addr *) | |
1876 | skb->data + 24, | |
1877 | tg_addr, card->dev, 0); | |
1878 | break; | |
1879 | #endif | |
1880 | case __constant_htons(ETH_P_IP): | |
1881 | ip_hdr = (struct iphdr *)skb->data; | |
4a71df50 FB |
1882 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); |
1883 | break; | |
1884 | default: | |
1885 | memcpy(tg_addr, card->dev->broadcast, | |
1886 | card->dev->addr_len); | |
1887 | } | |
1888 | card->stats.multicast++; | |
1889 | skb->pkt_type = PACKET_MULTICAST; | |
1890 | break; | |
1891 | case QETH_CAST_BROADCAST: | |
1892 | memcpy(tg_addr, card->dev->broadcast, | |
1893 | card->dev->addr_len); | |
1894 | card->stats.multicast++; | |
1895 | skb->pkt_type = PACKET_BROADCAST; | |
1896 | break; | |
1897 | case QETH_CAST_UNICAST: | |
1898 | case QETH_CAST_ANYCAST: | |
1899 | case QETH_CAST_NOCAST: | |
1900 | default: | |
76b11f8e UB |
1901 | if (card->options.sniffer) |
1902 | skb->pkt_type = PACKET_OTHERHOST; | |
1903 | else | |
1904 | skb->pkt_type = PACKET_HOST; | |
4a71df50 FB |
1905 | memcpy(tg_addr, card->dev->dev_addr, |
1906 | card->dev->addr_len); | |
1907 | } | |
fe94e2e0 UB |
1908 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) |
1909 | card->dev->header_ops->create(skb, card->dev, prot, | |
1910 | tg_addr, &hdr->hdr.l3.dest_addr[2], | |
1911 | card->dev->addr_len); | |
1912 | else | |
1913 | card->dev->header_ops->create(skb, card->dev, prot, | |
1914 | tg_addr, "FAKELL", card->dev->addr_len); | |
4a71df50 FB |
1915 | } |
1916 | ||
1abd2296 | 1917 | skb->protocol = eth_type_trans(skb, card->dev); |
4a71df50 FB |
1918 | |
1919 | if (hdr->hdr.l3.ext_flags & | |
1920 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
10651db7 | 1921 | *vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ? |
4a71df50 | 1922 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); |
10651db7 | 1923 | is_vlan = 1; |
4a71df50 FB |
1924 | } |
1925 | ||
c5e631a8 | 1926 | if (card->dev->features & NETIF_F_RXCSUM) { |
4a71df50 | 1927 | if ((hdr->hdr.l3.ext_flags & |
b9139800 UB |
1928 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
1929 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
1930 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
1931 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) | |
4a71df50 FB |
1932 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
1933 | else | |
b9139800 | 1934 | skb->ip_summed = CHECKSUM_NONE; |
c5e631a8 FB |
1935 | } else |
1936 | skb->ip_summed = CHECKSUM_NONE; | |
4a71df50 | 1937 | |
10651db7 | 1938 | return is_vlan; |
4a71df50 FB |
1939 | } |
1940 | ||
a1c3ed4c FB |
1941 | static int qeth_l3_process_inbound_buffer(struct qeth_card *card, |
1942 | int budget, int *done) | |
4a71df50 | 1943 | { |
a1c3ed4c | 1944 | int work_done = 0; |
4a71df50 FB |
1945 | struct sk_buff *skb; |
1946 | struct qeth_hdr *hdr; | |
4a71df50 | 1947 | __u16 vlan_tag = 0; |
10651db7 | 1948 | int is_vlan; |
4a71df50 | 1949 | unsigned int len; |
b3332930 | 1950 | __u16 magic; |
4a71df50 | 1951 | |
a1c3ed4c | 1952 | *done = 0; |
18af5c17 | 1953 | WARN_ON_ONCE(!budget); |
a1c3ed4c FB |
1954 | while (budget) { |
1955 | skb = qeth_core_get_next_skb(card, | |
b3332930 | 1956 | &card->qdio.in_q->bufs[card->rx.b_index], |
a1c3ed4c FB |
1957 | &card->rx.b_element, &card->rx.e_offset, &hdr); |
1958 | if (!skb) { | |
1959 | *done = 1; | |
1960 | break; | |
1961 | } | |
1962 | skb->dev = card->dev; | |
4a71df50 FB |
1963 | switch (hdr->hdr.l3.id) { |
1964 | case QETH_HEADER_TYPE_LAYER3: | |
b3332930 FB |
1965 | magic = *(__u16 *)skb->data; |
1966 | if ((card->info.type == QETH_CARD_TYPE_IQD) && | |
1967 | (magic == ETH_P_AF_IUCV)) { | |
1968 | skb->protocol = ETH_P_AF_IUCV; | |
1969 | skb->pkt_type = PACKET_HOST; | |
1970 | skb->mac_header = NET_SKB_PAD; | |
1971 | skb->dev = card->dev; | |
1972 | len = skb->len; | |
1973 | card->dev->header_ops->create(skb, card->dev, 0, | |
1974 | card->dev->dev_addr, "FAKELL", | |
1975 | card->dev->addr_len); | |
1976 | netif_receive_skb(skb); | |
1977 | } else { | |
1978 | is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, | |
10651db7 | 1979 | &vlan_tag); |
b3332930 FB |
1980 | len = skb->len; |
1981 | if (is_vlan && !card->options.sniffer) | |
91b1c1aa PM |
1982 | __vlan_hwaccel_put_tag(skb, |
1983 | htons(ETH_P_8021Q), vlan_tag); | |
b3332930 FB |
1984 | napi_gro_receive(&card->napi, skb); |
1985 | } | |
4a71df50 | 1986 | break; |
76b11f8e UB |
1987 | case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */ |
1988 | skb->pkt_type = PACKET_HOST; | |
1989 | skb->protocol = eth_type_trans(skb, skb->dev); | |
76b11f8e UB |
1990 | len = skb->len; |
1991 | netif_receive_skb(skb); | |
1992 | break; | |
4a71df50 FB |
1993 | default: |
1994 | dev_kfree_skb_any(skb); | |
847a50fd | 1995 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 1996 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
1997 | continue; |
1998 | } | |
a1c3ed4c FB |
1999 | work_done++; |
2000 | budget--; | |
4a71df50 FB |
2001 | card->stats.rx_packets++; |
2002 | card->stats.rx_bytes += len; | |
2003 | } | |
a1c3ed4c FB |
2004 | return work_done; |
2005 | } | |
2006 | ||
2007 | static int qeth_l3_poll(struct napi_struct *napi, int budget) | |
2008 | { | |
2009 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
2010 | int work_done = 0; | |
2011 | struct qeth_qdio_buffer *buffer; | |
2012 | int done; | |
2013 | int new_budget = budget; | |
2014 | ||
2015 | if (card->options.performance_stats) { | |
2016 | card->perf_stats.inbound_cnt++; | |
2017 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
2018 | } | |
2019 | ||
2020 | while (1) { | |
2021 | if (!card->rx.b_count) { | |
2022 | card->rx.qdio_err = 0; | |
2023 | card->rx.b_count = qdio_get_next_buffers( | |
2024 | card->data.ccwdev, 0, &card->rx.b_index, | |
2025 | &card->rx.qdio_err); | |
2026 | if (card->rx.b_count <= 0) { | |
2027 | card->rx.b_count = 0; | |
2028 | break; | |
2029 | } | |
2030 | card->rx.b_element = | |
2031 | &card->qdio.in_q->bufs[card->rx.b_index] | |
2032 | .buffer->element[0]; | |
2033 | card->rx.e_offset = 0; | |
2034 | } | |
2035 | ||
2036 | while (card->rx.b_count) { | |
2037 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
2038 | if (!(card->rx.qdio_err && | |
2039 | qeth_check_qdio_errors(card, buffer->buffer, | |
2040 | card->rx.qdio_err, "qinerr"))) | |
2041 | work_done += qeth_l3_process_inbound_buffer( | |
2042 | card, new_budget, &done); | |
2043 | else | |
2044 | done = 1; | |
2045 | ||
2046 | if (done) { | |
2047 | if (card->options.performance_stats) | |
2048 | card->perf_stats.bufs_rec++; | |
2049 | qeth_put_buffer_pool_entry(card, | |
2050 | buffer->pool_entry); | |
2051 | qeth_queue_input_buffer(card, card->rx.b_index); | |
2052 | card->rx.b_count--; | |
2053 | if (card->rx.b_count) { | |
2054 | card->rx.b_index = | |
2055 | (card->rx.b_index + 1) % | |
2056 | QDIO_MAX_BUFFERS_PER_Q; | |
2057 | card->rx.b_element = | |
2058 | &card->qdio.in_q | |
2059 | ->bufs[card->rx.b_index] | |
2060 | .buffer->element[0]; | |
2061 | card->rx.e_offset = 0; | |
2062 | } | |
2063 | } | |
2064 | ||
2065 | if (work_done >= budget) | |
2066 | goto out; | |
2067 | else | |
2068 | new_budget = budget - work_done; | |
2069 | } | |
2070 | } | |
2071 | ||
2072 | napi_complete(napi); | |
2073 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
2074 | napi_schedule(&card->napi); | |
2075 | out: | |
2076 | if (card->options.performance_stats) | |
2077 | card->perf_stats.inbound_time += qeth_get_micros() - | |
2078 | card->perf_stats.inbound_start_time; | |
2079 | return work_done; | |
4a71df50 FB |
2080 | } |
2081 | ||
2082 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, | |
2083 | struct qeth_card *card) | |
2084 | { | |
2085 | int rc = 0; | |
7ff0bcf6 | 2086 | u16 vid; |
4a71df50 | 2087 | |
7ff0bcf6 JP |
2088 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
2089 | struct net_device *netdev; | |
4a71df50 | 2090 | |
7ff0bcf6 | 2091 | rcu_read_lock(); |
f06c7f9f | 2092 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 2093 | vid); |
7ff0bcf6 JP |
2094 | rcu_read_unlock(); |
2095 | if (netdev == dev) { | |
4a71df50 FB |
2096 | rc = QETH_VLAN_CARD; |
2097 | break; | |
2098 | } | |
2099 | } | |
2100 | ||
509e2562 | 2101 | if (rc && !(vlan_dev_real_dev(dev)->ml_priv == (void *)card)) |
4a71df50 FB |
2102 | return 0; |
2103 | ||
2104 | return rc; | |
2105 | } | |
2106 | ||
2107 | static int qeth_l3_verify_dev(struct net_device *dev) | |
2108 | { | |
2109 | struct qeth_card *card; | |
2110 | unsigned long flags; | |
2111 | int rc = 0; | |
2112 | ||
2113 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
2114 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
2115 | if (card->dev == dev) { | |
2116 | rc = QETH_REAL_CARD; | |
2117 | break; | |
2118 | } | |
2119 | rc = qeth_l3_verify_vlan_dev(dev, card); | |
2120 | if (rc) | |
2121 | break; | |
2122 | } | |
2123 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
2124 | ||
2125 | return rc; | |
2126 | } | |
2127 | ||
2128 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) | |
2129 | { | |
2130 | struct qeth_card *card = NULL; | |
2131 | int rc; | |
2132 | ||
2133 | rc = qeth_l3_verify_dev(dev); | |
2134 | if (rc == QETH_REAL_CARD) | |
509e2562 | 2135 | card = dev->ml_priv; |
4a71df50 | 2136 | else if (rc == QETH_VLAN_CARD) |
509e2562 | 2137 | card = vlan_dev_real_dev(dev)->ml_priv; |
e5bd7be5 | 2138 | if (card && card->options.layer2) |
4a71df50 | 2139 | card = NULL; |
847a50fd CO |
2140 | if (card) |
2141 | QETH_CARD_TEXT_(card, 4, "%d", rc); | |
4a71df50 FB |
2142 | return card ; |
2143 | } | |
2144 | ||
2145 | static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) | |
2146 | { | |
2147 | int rc = 0; | |
2148 | ||
d11ba0c4 PT |
2149 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
2150 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
2151 | |
2152 | qeth_set_allowed_threads(card, 0, 1); | |
76b11f8e UB |
2153 | if (card->options.sniffer && |
2154 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) | |
2155 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); | |
4a71df50 FB |
2156 | if (card->read.state == CH_STATE_UP && |
2157 | card->write.state == CH_STATE_UP && | |
2158 | (card->state == CARD_STATE_UP)) { | |
2159 | if (recovery_mode) | |
2160 | qeth_l3_stop(card->dev); | |
8af7c5ae | 2161 | else { |
869da90b UB |
2162 | rtnl_lock(); |
2163 | dev_close(card->dev); | |
2164 | rtnl_unlock(); | |
8af7c5ae | 2165 | } |
4a71df50 FB |
2166 | card->state = CARD_STATE_SOFTSETUP; |
2167 | } | |
2168 | if (card->state == CARD_STATE_SOFTSETUP) { | |
70919e23 | 2169 | qeth_l3_clear_ip_list(card, 1); |
4a71df50 FB |
2170 | qeth_clear_ipacmd_list(card); |
2171 | card->state = CARD_STATE_HARDSETUP; | |
2172 | } | |
2173 | if (card->state == CARD_STATE_HARDSETUP) { | |
4a71df50 FB |
2174 | qeth_qdio_clear_card(card, 0); |
2175 | qeth_clear_qdio_buffers(card); | |
2176 | qeth_clear_working_pool_list(card); | |
2177 | card->state = CARD_STATE_DOWN; | |
2178 | } | |
2179 | if (card->state == CARD_STATE_DOWN) { | |
2180 | qeth_clear_cmd_buffers(&card->read); | |
2181 | qeth_clear_cmd_buffers(&card->write); | |
2182 | } | |
4a71df50 FB |
2183 | return rc; |
2184 | } | |
2185 | ||
76b11f8e UB |
2186 | /* |
2187 | * test for and Switch promiscuous mode (on or off) | |
2188 | * either for guestlan or HiperSocket Sniffer | |
2189 | */ | |
2190 | static void | |
2191 | qeth_l3_handle_promisc_mode(struct qeth_card *card) | |
2192 | { | |
2193 | struct net_device *dev = card->dev; | |
2194 | ||
2195 | if (((dev->flags & IFF_PROMISC) && | |
2196 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
2197 | (!(dev->flags & IFF_PROMISC) && | |
2198 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
2199 | return; | |
2200 | ||
2201 | if (card->info.guestlan) { /* Guestlan trace */ | |
2202 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2203 | qeth_setadp_promisc_mode(card); | |
2204 | } else if (card->options.sniffer && /* HiperSockets trace */ | |
2205 | qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) { | |
2206 | if (dev->flags & IFF_PROMISC) { | |
847a50fd | 2207 | QETH_CARD_TEXT(card, 3, "+promisc"); |
76b11f8e UB |
2208 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE); |
2209 | } else { | |
847a50fd | 2210 | QETH_CARD_TEXT(card, 3, "-promisc"); |
76b11f8e UB |
2211 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); |
2212 | } | |
2213 | } | |
2214 | } | |
2215 | ||
4a71df50 FB |
2216 | static void qeth_l3_set_multicast_list(struct net_device *dev) |
2217 | { | |
509e2562 | 2218 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 2219 | |
847a50fd | 2220 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
2221 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
2222 | (card->state != CARD_STATE_UP)) | |
2223 | return; | |
76b11f8e UB |
2224 | if (!card->options.sniffer) { |
2225 | qeth_l3_delete_mc_addresses(card); | |
2226 | qeth_l3_add_multicast_ipv4(card); | |
4a71df50 | 2227 | #ifdef CONFIG_QETH_IPV6 |
76b11f8e | 2228 | qeth_l3_add_multicast_ipv6(card); |
4a71df50 | 2229 | #endif |
76b11f8e UB |
2230 | qeth_l3_set_ip_addr_list(card); |
2231 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2232 | return; | |
2233 | } | |
2234 | qeth_l3_handle_promisc_mode(card); | |
4a71df50 FB |
2235 | } |
2236 | ||
2237 | static const char *qeth_l3_arp_get_error_cause(int *rc) | |
2238 | { | |
2239 | switch (*rc) { | |
2240 | case QETH_IPA_ARP_RC_FAILED: | |
2241 | *rc = -EIO; | |
2242 | return "operation failed"; | |
2243 | case QETH_IPA_ARP_RC_NOTSUPP: | |
2244 | *rc = -EOPNOTSUPP; | |
2245 | return "operation not supported"; | |
2246 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
2247 | *rc = -EINVAL; | |
2248 | return "argument out of range"; | |
2249 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
2250 | *rc = -EOPNOTSUPP; | |
2251 | return "query operation not supported"; | |
2252 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
2253 | *rc = -ENOENT; | |
2254 | return "no query data available"; | |
2255 | default: | |
2256 | return "unknown error"; | |
2257 | } | |
2258 | } | |
2259 | ||
2260 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
2261 | { | |
2262 | int tmp; | |
2263 | int rc; | |
2264 | ||
847a50fd | 2265 | QETH_CARD_TEXT(card, 3, "arpstnoe"); |
4a71df50 FB |
2266 | |
2267 | /* | |
2268 | * currently GuestLAN only supports the ARP assist function | |
2269 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
2270 | * thus we say EOPNOTSUPP for this ARP function | |
2271 | */ | |
2272 | if (card->info.guestlan) | |
2273 | return -EOPNOTSUPP; | |
2274 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2275 | return -EOPNOTSUPP; |
2276 | } | |
2277 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2278 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, | |
2279 | no_entries); | |
2280 | if (rc) { | |
2281 | tmp = rc; | |
14cc21b6 FB |
2282 | QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on " |
2283 | "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2284 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2285 | } | |
2286 | return rc; | |
2287 | } | |
2288 | ||
d0ddf30f EL |
2289 | static __u32 get_arp_entry_size(struct qeth_card *card, |
2290 | struct qeth_arp_query_data *qdata, | |
2291 | struct qeth_arp_entrytype *type, __u8 strip_entries) | |
4a71df50 | 2292 | { |
d0ddf30f EL |
2293 | __u32 rc; |
2294 | __u8 is_hsi; | |
4a71df50 | 2295 | |
d0ddf30f EL |
2296 | is_hsi = qdata->reply_bits == 5; |
2297 | if (type->ip == QETHARP_IP_ADDR_V4) { | |
2298 | QETH_CARD_TEXT(card, 4, "arpev4"); | |
2299 | if (strip_entries) { | |
2300 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : | |
2301 | sizeof(struct qeth_arp_qi_entry7_short); | |
2302 | } else { | |
2303 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : | |
2304 | sizeof(struct qeth_arp_qi_entry7); | |
2305 | } | |
2306 | } else if (type->ip == QETHARP_IP_ADDR_V6) { | |
2307 | QETH_CARD_TEXT(card, 4, "arpev6"); | |
2308 | if (strip_entries) { | |
2309 | rc = is_hsi ? | |
2310 | sizeof(struct qeth_arp_qi_entry5_short_ipv6) : | |
2311 | sizeof(struct qeth_arp_qi_entry7_short_ipv6); | |
2312 | } else { | |
2313 | rc = is_hsi ? | |
2314 | sizeof(struct qeth_arp_qi_entry5_ipv6) : | |
2315 | sizeof(struct qeth_arp_qi_entry7_ipv6); | |
2316 | } | |
2317 | } else { | |
2318 | QETH_CARD_TEXT(card, 4, "arpinv"); | |
2319 | rc = 0; | |
4a71df50 | 2320 | } |
d0ddf30f EL |
2321 | |
2322 | return rc; | |
2323 | } | |
2324 | ||
2325 | static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) | |
2326 | { | |
2327 | return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || | |
2328 | (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); | |
4a71df50 FB |
2329 | } |
2330 | ||
2331 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
2332 | struct qeth_reply *reply, unsigned long data) | |
2333 | { | |
2334 | struct qeth_ipa_cmd *cmd; | |
2335 | struct qeth_arp_query_data *qdata; | |
2336 | struct qeth_arp_query_info *qinfo; | |
4a71df50 | 2337 | int i; |
d0ddf30f EL |
2338 | int e; |
2339 | int entrybytes_done; | |
2340 | int stripped_bytes; | |
2341 | __u8 do_strip_entries; | |
4a71df50 | 2342 | |
d0ddf30f | 2343 | QETH_CARD_TEXT(card, 3, "arpquecb"); |
4a71df50 FB |
2344 | |
2345 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
2346 | cmd = (struct qeth_ipa_cmd *) data; | |
d0ddf30f | 2347 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); |
4a71df50 | 2348 | if (cmd->hdr.return_code) { |
d0ddf30f EL |
2349 | QETH_CARD_TEXT(card, 4, "arpcberr"); |
2350 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2351 | return 0; |
2352 | } | |
2353 | if (cmd->data.setassparms.hdr.return_code) { | |
2354 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d0ddf30f EL |
2355 | QETH_CARD_TEXT(card, 4, "setaperr"); |
2356 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2357 | return 0; |
2358 | } | |
2359 | qdata = &cmd->data.setassparms.data.query_arp; | |
847a50fd | 2360 | QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); |
4a71df50 | 2361 | |
d0ddf30f EL |
2362 | do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; |
2363 | stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; | |
2364 | entrybytes_done = 0; | |
2365 | for (e = 0; e < qdata->no_entries; ++e) { | |
2366 | char *cur_entry; | |
2367 | __u32 esize; | |
2368 | struct qeth_arp_entrytype *etype; | |
2369 | ||
2370 | cur_entry = &qdata->data + entrybytes_done; | |
2371 | etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; | |
2372 | if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { | |
2373 | QETH_CARD_TEXT(card, 4, "pmis"); | |
2374 | QETH_CARD_TEXT_(card, 4, "%i", etype->ip); | |
2375 | break; | |
2376 | } | |
2377 | esize = get_arp_entry_size(card, qdata, etype, | |
2378 | do_strip_entries); | |
2379 | QETH_CARD_TEXT_(card, 5, "esz%i", esize); | |
2380 | if (!esize) | |
2381 | break; | |
2382 | ||
2383 | if ((qinfo->udata_len - qinfo->udata_offset) < esize) { | |
2384 | QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); | |
e0a8114c | 2385 | cmd->hdr.return_code = IPA_RC_ENOMEM; |
d0ddf30f EL |
2386 | goto out_error; |
2387 | } | |
4a71df50 | 2388 | |
d0ddf30f EL |
2389 | memcpy(qinfo->udata + qinfo->udata_offset, |
2390 | &qdata->data + entrybytes_done + stripped_bytes, | |
2391 | esize); | |
2392 | entrybytes_done += esize + stripped_bytes; | |
2393 | qinfo->udata_offset += esize; | |
2394 | ++qinfo->no_entries; | |
2395 | } | |
4a71df50 FB |
2396 | /* check if all replies received ... */ |
2397 | if (cmd->data.setassparms.hdr.seq_no < | |
2398 | cmd->data.setassparms.hdr.number_of_replies) | |
2399 | return 1; | |
d0ddf30f | 2400 | QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); |
4a71df50 FB |
2401 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
2402 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
2403 | * stripped entries from normal ones */ | |
2404 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2405 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
2406 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
d0ddf30f | 2407 | QETH_CARD_TEXT_(card, 4, "rc%i", 0); |
4a71df50 FB |
2408 | return 0; |
2409 | out_error: | |
2410 | i = 0; | |
2411 | memcpy(qinfo->udata, &i, 4); | |
2412 | return 0; | |
2413 | } | |
2414 | ||
2415 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, | |
2416 | struct qeth_cmd_buffer *iob, int len, | |
2417 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
2418 | unsigned long), | |
2419 | void *reply_param) | |
2420 | { | |
847a50fd | 2421 | QETH_CARD_TEXT(card, 4, "sendarp"); |
4a71df50 FB |
2422 | |
2423 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2424 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2425 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2426 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
2427 | reply_cb, reply_param); | |
2428 | } | |
2429 | ||
d0ddf30f EL |
2430 | static int qeth_l3_query_arp_cache_info(struct qeth_card *card, |
2431 | enum qeth_prot_versions prot, | |
2432 | struct qeth_arp_query_info *qinfo) | |
4a71df50 FB |
2433 | { |
2434 | struct qeth_cmd_buffer *iob; | |
d0ddf30f | 2435 | struct qeth_ipa_cmd *cmd; |
4a71df50 FB |
2436 | int tmp; |
2437 | int rc; | |
2438 | ||
d0ddf30f EL |
2439 | QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); |
2440 | ||
2441 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2442 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
2443 | sizeof(struct qeth_arp_query_data) - sizeof(char), | |
2444 | prot); | |
2445 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2446 | cmd->data.setassparms.data.query_arp.request_bits = 0x000F; | |
2447 | cmd->data.setassparms.data.query_arp.reply_bits = 0; | |
2448 | cmd->data.setassparms.data.query_arp.no_entries = 0; | |
2449 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, | |
2450 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
2451 | qeth_l3_arp_query_cb, (void *)qinfo); | |
2452 | if (rc) { | |
2453 | tmp = rc; | |
2454 | QETH_DBF_MESSAGE(2, | |
2455 | "Error while querying ARP cache on %s: %s " | |
2456 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2457 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2458 | } | |
2459 | ||
2460 | return rc; | |
2461 | } | |
2462 | ||
2463 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
2464 | { | |
2465 | struct qeth_arp_query_info qinfo = {0, }; | |
2466 | int rc; | |
2467 | ||
847a50fd | 2468 | QETH_CARD_TEXT(card, 3, "arpquery"); |
4a71df50 FB |
2469 | |
2470 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
2471 | IPA_ARP_PROCESSING)) { | |
d0ddf30f EL |
2472 | QETH_CARD_TEXT(card, 3, "arpqnsup"); |
2473 | rc = -EOPNOTSUPP; | |
2474 | goto out; | |
4a71df50 FB |
2475 | } |
2476 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
d0ddf30f EL |
2477 | if (copy_from_user(&qinfo, udata, 6)) { |
2478 | rc = -EFAULT; | |
2479 | goto out; | |
2480 | } | |
4a71df50 | 2481 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
d0ddf30f EL |
2482 | if (!qinfo.udata) { |
2483 | rc = -ENOMEM; | |
2484 | goto out; | |
2485 | } | |
4a71df50 | 2486 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
d0ddf30f | 2487 | rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); |
4a71df50 | 2488 | if (rc) { |
4a71df50 FB |
2489 | if (copy_to_user(udata, qinfo.udata, 4)) |
2490 | rc = -EFAULT; | |
d0ddf30f | 2491 | goto free_and_out; |
4a71df50 | 2492 | } else { |
d0ddf30f EL |
2493 | #ifdef CONFIG_QETH_IPV6 |
2494 | if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { | |
2495 | /* fails in case of GuestLAN QDIO mode */ | |
2496 | qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, | |
2497 | &qinfo); | |
2498 | } | |
2499 | #endif | |
2500 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { | |
2501 | QETH_CARD_TEXT(card, 4, "qactf"); | |
4a71df50 | 2502 | rc = -EFAULT; |
d0ddf30f EL |
2503 | goto free_and_out; |
2504 | } | |
2505 | QETH_CARD_TEXT_(card, 4, "qacts"); | |
4a71df50 | 2506 | } |
d0ddf30f | 2507 | free_and_out: |
4a71df50 | 2508 | kfree(qinfo.udata); |
d0ddf30f | 2509 | out: |
4a71df50 FB |
2510 | return rc; |
2511 | } | |
2512 | ||
2513 | static int qeth_l3_arp_add_entry(struct qeth_card *card, | |
2514 | struct qeth_arp_cache_entry *entry) | |
2515 | { | |
2516 | struct qeth_cmd_buffer *iob; | |
2517 | char buf[16]; | |
2518 | int tmp; | |
2519 | int rc; | |
2520 | ||
847a50fd | 2521 | QETH_CARD_TEXT(card, 3, "arpadent"); |
4a71df50 FB |
2522 | |
2523 | /* | |
2524 | * currently GuestLAN only supports the ARP assist function | |
2525 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
2526 | * thus we say EOPNOTSUPP for this ARP function | |
2527 | */ | |
2528 | if (card->info.guestlan) | |
2529 | return -EOPNOTSUPP; | |
2530 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2531 | return -EOPNOTSUPP; |
2532 | } | |
2533 | ||
2534 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2535 | IPA_CMD_ASS_ARP_ADD_ENTRY, | |
2536 | sizeof(struct qeth_arp_cache_entry), | |
2537 | QETH_PROT_IPV4); | |
2538 | rc = qeth_l3_send_setassparms(card, iob, | |
2539 | sizeof(struct qeth_arp_cache_entry), | |
2540 | (unsigned long) entry, | |
2541 | qeth_l3_default_setassparms_cb, NULL); | |
2542 | if (rc) { | |
2543 | tmp = rc; | |
2544 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2545 | QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s " |
2546 | "on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2547 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2548 | } |
2549 | return rc; | |
2550 | } | |
2551 | ||
2552 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, | |
2553 | struct qeth_arp_cache_entry *entry) | |
2554 | { | |
2555 | struct qeth_cmd_buffer *iob; | |
2556 | char buf[16] = {0, }; | |
2557 | int tmp; | |
2558 | int rc; | |
2559 | ||
847a50fd | 2560 | QETH_CARD_TEXT(card, 3, "arprment"); |
4a71df50 FB |
2561 | |
2562 | /* | |
2563 | * currently GuestLAN only supports the ARP assist function | |
2564 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
2565 | * thus we say EOPNOTSUPP for this ARP function | |
2566 | */ | |
2567 | if (card->info.guestlan) | |
2568 | return -EOPNOTSUPP; | |
2569 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2570 | return -EOPNOTSUPP; |
2571 | } | |
2572 | memcpy(buf, entry, 12); | |
2573 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2574 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, | |
2575 | 12, | |
2576 | QETH_PROT_IPV4); | |
2577 | rc = qeth_l3_send_setassparms(card, iob, | |
2578 | 12, (unsigned long)buf, | |
2579 | qeth_l3_default_setassparms_cb, NULL); | |
2580 | if (rc) { | |
2581 | tmp = rc; | |
2582 | memset(buf, 0, 16); | |
2583 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2584 | QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s" |
2585 | " on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2586 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2587 | } |
2588 | return rc; | |
2589 | } | |
2590 | ||
2591 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
2592 | { | |
2593 | int rc; | |
2594 | int tmp; | |
2595 | ||
847a50fd | 2596 | QETH_CARD_TEXT(card, 3, "arpflush"); |
4a71df50 FB |
2597 | |
2598 | /* | |
2599 | * currently GuestLAN only supports the ARP assist function | |
2600 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
2601 | * thus we say EOPNOTSUPP for this ARP function | |
2602 | */ | |
2603 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) | |
2604 | return -EOPNOTSUPP; | |
2605 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2606 | return -EOPNOTSUPP; |
2607 | } | |
2608 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2609 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); | |
2610 | if (rc) { | |
2611 | tmp = rc; | |
14cc21b6 FB |
2612 | QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s " |
2613 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2614 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2615 | } | |
2616 | return rc; | |
2617 | } | |
2618 | ||
2619 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2620 | { | |
509e2562 | 2621 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2622 | struct qeth_arp_cache_entry arp_entry; |
2623 | struct mii_ioctl_data *mii_data; | |
2624 | int rc = 0; | |
2625 | ||
2626 | if (!card) | |
2627 | return -ENODEV; | |
2628 | ||
2629 | if ((card->state != CARD_STATE_UP) && | |
2630 | (card->state != CARD_STATE_SOFTSETUP)) | |
2631 | return -ENODEV; | |
2632 | ||
2633 | switch (cmd) { | |
2634 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
2635 | if (!capable(CAP_NET_ADMIN)) { | |
2636 | rc = -EPERM; | |
2637 | break; | |
2638 | } | |
2639 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
2640 | break; | |
2641 | case SIOC_QETH_ARP_QUERY_INFO: | |
2642 | if (!capable(CAP_NET_ADMIN)) { | |
2643 | rc = -EPERM; | |
2644 | break; | |
2645 | } | |
2646 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); | |
2647 | break; | |
2648 | case SIOC_QETH_ARP_ADD_ENTRY: | |
2649 | if (!capable(CAP_NET_ADMIN)) { | |
2650 | rc = -EPERM; | |
2651 | break; | |
2652 | } | |
2653 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2654 | sizeof(struct qeth_arp_cache_entry))) | |
2655 | rc = -EFAULT; | |
2656 | else | |
2657 | rc = qeth_l3_arp_add_entry(card, &arp_entry); | |
2658 | break; | |
2659 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
2660 | if (!capable(CAP_NET_ADMIN)) { | |
2661 | rc = -EPERM; | |
2662 | break; | |
2663 | } | |
2664 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2665 | sizeof(struct qeth_arp_cache_entry))) | |
2666 | rc = -EFAULT; | |
2667 | else | |
2668 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); | |
2669 | break; | |
2670 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
2671 | if (!capable(CAP_NET_ADMIN)) { | |
2672 | rc = -EPERM; | |
2673 | break; | |
2674 | } | |
2675 | rc = qeth_l3_arp_flush_cache(card); | |
2676 | break; | |
2677 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
2678 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
2679 | break; | |
2680 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
2681 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
2682 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
2683 | !card->info.guestlan) |
2684 | return 1; | |
2685 | return 0; | |
2686 | break; | |
2687 | case SIOCGMIIPHY: | |
2688 | mii_data = if_mii(rq); | |
2689 | mii_data->phy_id = 0; | |
2690 | break; | |
2691 | case SIOCGMIIREG: | |
2692 | mii_data = if_mii(rq); | |
2693 | if (mii_data->phy_id != 0) | |
2694 | rc = -EINVAL; | |
2695 | else | |
2696 | mii_data->val_out = qeth_mdio_read(dev, | |
2697 | mii_data->phy_id, | |
2698 | mii_data->reg_num); | |
2699 | break; | |
c3ab96f3 FB |
2700 | case SIOC_QETH_QUERY_OAT: |
2701 | rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); | |
2702 | break; | |
4a71df50 FB |
2703 | default: |
2704 | rc = -EOPNOTSUPP; | |
2705 | } | |
2706 | if (rc) | |
847a50fd | 2707 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
2708 | return rc; |
2709 | } | |
2710 | ||
ce73e10e KDW |
2711 | int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) |
2712 | { | |
2713 | int cast_type = RTN_UNSPEC; | |
69cce1d1 DM |
2714 | struct neighbour *n = NULL; |
2715 | struct dst_entry *dst; | |
2716 | ||
1d36cb47 | 2717 | rcu_read_lock(); |
69cce1d1 DM |
2718 | dst = skb_dst(skb); |
2719 | if (dst) | |
24db1ba8 | 2720 | n = dst_neigh_lookup_skb(dst, skb); |
69cce1d1 DM |
2721 | if (n) { |
2722 | cast_type = n->type; | |
1d36cb47 | 2723 | rcu_read_unlock(); |
24db1ba8 | 2724 | neigh_release(n); |
ce73e10e KDW |
2725 | if ((cast_type == RTN_BROADCAST) || |
2726 | (cast_type == RTN_MULTICAST) || | |
2727 | (cast_type == RTN_ANYCAST)) | |
2728 | return cast_type; | |
2729 | else | |
2730 | return RTN_UNSPEC; | |
2731 | } | |
1d36cb47 FB |
2732 | rcu_read_unlock(); |
2733 | ||
ce73e10e KDW |
2734 | /* try something else */ |
2735 | if (skb->protocol == ETH_P_IPV6) | |
2736 | return (skb_network_header(skb)[24] == 0xff) ? | |
2737 | RTN_MULTICAST : 0; | |
2738 | else if (skb->protocol == ETH_P_IP) | |
2739 | return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? | |
2740 | RTN_MULTICAST : 0; | |
2741 | /* ... */ | |
2742 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
2743 | return RTN_BROADCAST; | |
2744 | else { | |
2745 | u16 hdr_mac; | |
2746 | ||
2747 | hdr_mac = *((u16 *)skb->data); | |
2748 | /* tr multicast? */ | |
2749 | switch (card->info.link_type) { | |
2750 | case QETH_LINK_TYPE_HSTR: | |
2751 | case QETH_LINK_TYPE_LANE_TR: | |
2752 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
2753 | (hdr_mac == QETH_TR_MAC_C)) | |
2754 | return RTN_MULTICAST; | |
2755 | break; | |
2756 | /* eth or so multicast? */ | |
2757 | default: | |
2758 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
2759 | (hdr_mac == QETH_ETH_MAC_V6)) | |
2760 | return RTN_MULTICAST; | |
2761 | } | |
2762 | } | |
2763 | return cast_type; | |
2764 | } | |
2765 | ||
b3332930 FB |
2766 | static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, |
2767 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2768 | { | |
2769 | char daddr[16]; | |
2770 | struct af_iucv_trans_hdr *iucv_hdr; | |
2771 | ||
2772 | skb_pull(skb, 14); | |
2773 | card->dev->header_ops->create(skb, card->dev, 0, | |
2774 | card->dev->dev_addr, card->dev->dev_addr, | |
2775 | card->dev->addr_len); | |
2776 | skb_pull(skb, 14); | |
2777 | iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; | |
2778 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
2779 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2780 | hdr->hdr.l3.ext_flags = 0; | |
2781 | hdr->hdr.l3.length = skb->len; | |
2782 | hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; | |
2783 | memset(daddr, 0, sizeof(daddr)); | |
2784 | daddr[0] = 0xfe; | |
2785 | daddr[1] = 0x80; | |
2786 | memcpy(&daddr[8], iucv_hdr->destUserID, 8); | |
2787 | memcpy(hdr->hdr.l3.dest_addr, daddr, 16); | |
2788 | } | |
2789 | ||
4a71df50 FB |
2790 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
2791 | struct sk_buff *skb, int ipv, int cast_type) | |
2792 | { | |
69cce1d1 DM |
2793 | struct dst_entry *dst; |
2794 | ||
4a71df50 FB |
2795 | memset(hdr, 0, sizeof(struct qeth_hdr)); |
2796 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2797 | hdr->hdr.l3.ext_flags = 0; | |
2798 | ||
2799 | /* | |
2800 | * before we're going to overwrite this location with next hop ip. | |
2801 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
2802 | */ | |
7ff0bcf6 | 2803 | if (vlan_tx_tag_present(skb)) { |
213298f8 FB |
2804 | if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD)) |
2805 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME; | |
2806 | else | |
2807 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
4a71df50 FB |
2808 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); |
2809 | } | |
2810 | ||
2811 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
1d36cb47 FB |
2812 | |
2813 | rcu_read_lock(); | |
69cce1d1 | 2814 | dst = skb_dst(skb); |
4a71df50 | 2815 | if (ipv == 4) { |
87e7597b DM |
2816 | struct rtable *rt = (struct rtable *) dst; |
2817 | __be32 *pkey = &ip_hdr(skb)->daddr; | |
2818 | ||
2819 | if (rt->rt_gateway) | |
2820 | pkey = &rt->rt_gateway; | |
2821 | ||
4a71df50 FB |
2822 | /* IPv4 */ |
2823 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); | |
2824 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
87e7597b | 2825 | *((__be32 *) (&hdr->hdr.l3.dest_addr[12])) = *pkey; |
4a71df50 | 2826 | } else if (ipv == 6) { |
87e7597b DM |
2827 | struct rt6_info *rt = (struct rt6_info *) dst; |
2828 | struct in6_addr *pkey = &ipv6_hdr(skb)->daddr; | |
2829 | ||
2830 | if (!ipv6_addr_any(&rt->rt6i_gateway)) | |
2831 | pkey = &rt->rt6i_gateway; | |
2832 | ||
4a71df50 FB |
2833 | /* IPv6 */ |
2834 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); | |
2835 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2836 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; | |
87e7597b | 2837 | memcpy(hdr->hdr.l3.dest_addr, pkey, 16); |
4a71df50 | 2838 | } else { |
1abd2296 | 2839 | if (!memcmp(skb->data + sizeof(struct qeth_hdr), |
4a71df50 FB |
2840 | skb->dev->broadcast, 6)) { |
2841 | /* broadcast? */ | |
2842 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2843 | QETH_HDR_PASSTHRU; | |
2844 | } else { | |
2845 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
2846 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
2847 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
2848 | } | |
2849 | } | |
1d36cb47 | 2850 | rcu_read_unlock(); |
4a71df50 FB |
2851 | } |
2852 | ||
f6b85b6c FB |
2853 | static inline void qeth_l3_hdr_csum(struct qeth_card *card, |
2854 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2855 | { | |
2856 | struct iphdr *iph = ip_hdr(skb); | |
2857 | ||
2858 | /* tcph->check contains already the pseudo hdr checksum | |
2859 | * so just set the header flags | |
2860 | */ | |
2861 | if (iph->protocol == IPPROTO_UDP) | |
2862 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP; | |
16c0f936 FB |
2863 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ | |
2864 | QETH_HDR_EXT_CSUM_HDR_REQ; | |
2865 | iph->check = 0; | |
f6b85b6c FB |
2866 | if (card->options.performance_stats) |
2867 | card->perf_stats.tx_csum++; | |
2868 | } | |
2869 | ||
64ef8957 FB |
2870 | static void qeth_tso_fill_header(struct qeth_card *card, |
2871 | struct qeth_hdr *qhdr, struct sk_buff *skb) | |
2872 | { | |
2873 | struct qeth_hdr_tso *hdr = (struct qeth_hdr_tso *)qhdr; | |
2874 | struct tcphdr *tcph = tcp_hdr(skb); | |
2875 | struct iphdr *iph = ip_hdr(skb); | |
2876 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
2877 | ||
2878 | /*fix header to TSO values ...*/ | |
2879 | hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; | |
8fa9208e | 2880 | hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso); |
64ef8957 FB |
2881 | /*set values which are fix for the first approach ...*/ |
2882 | hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); | |
2883 | hdr->ext.imb_hdr_no = 1; | |
2884 | hdr->ext.hdr_type = 1; | |
2885 | hdr->ext.hdr_version = 1; | |
2886 | hdr->ext.hdr_len = 28; | |
2887 | /*insert non-fix values */ | |
2888 | hdr->ext.mss = skb_shinfo(skb)->gso_size; | |
2889 | hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); | |
2890 | hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - | |
2891 | sizeof(struct qeth_hdr_tso)); | |
2892 | tcph->check = 0; | |
2893 | if (skb->protocol == ETH_P_IPV6) { | |
2894 | ip6h->payload_len = 0; | |
2895 | tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, | |
2896 | 0, IPPROTO_TCP, 0); | |
2897 | } else { | |
2898 | /*OSA want us to set these values ...*/ | |
2899 | tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, | |
2900 | 0, IPPROTO_TCP, 0); | |
2901 | iph->tot_len = 0; | |
2902 | iph->check = 0; | |
2903 | } | |
2904 | } | |
2905 | ||
c3b4a740 FB |
2906 | static inline int qeth_l3_tso_elements(struct sk_buff *skb) |
2907 | { | |
2908 | unsigned long tcpd = (unsigned long)tcp_hdr(skb) + | |
2909 | tcp_hdr(skb)->doff * 4; | |
2910 | int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data); | |
51aa165c | 2911 | int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd); |
271648b4 FB |
2912 | |
2913 | elements += qeth_get_elements_for_frags(skb); | |
2914 | ||
c3b4a740 FB |
2915 | return elements; |
2916 | } | |
2917 | ||
4a71df50 FB |
2918 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
2919 | { | |
2920 | int rc; | |
2921 | u16 *tag; | |
2922 | struct qeth_hdr *hdr = NULL; | |
2923 | int elements_needed = 0; | |
64ef8957 | 2924 | int elems; |
509e2562 | 2925 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2926 | struct sk_buff *new_skb = NULL; |
2927 | int ipv = qeth_get_ip_version(skb); | |
ce73e10e | 2928 | int cast_type = qeth_l3_get_cast_type(card, skb); |
290b8348 SR |
2929 | struct qeth_qdio_out_q *queue = |
2930 | card->qdio.out_qs[card->qdio.do_prio_queueing | |
2931 | || (cast_type && card->info.is_multicast_different) ? | |
2932 | qeth_get_priority_queue(card, skb, ipv, cast_type) : | |
2933 | card->qdio.default_out_queue]; | |
4a71df50 | 2934 | int tx_bytes = skb->len; |
6204b47e | 2935 | bool large_send; |
683d718a | 2936 | int data_offset = -1; |
64ef8957 | 2937 | int nr_frags; |
4a71df50 | 2938 | |
b3332930 FB |
2939 | if (((card->info.type == QETH_CARD_TYPE_IQD) && |
2940 | (((card->options.cq != QETH_CQ_ENABLED) && !ipv) || | |
2941 | ((card->options.cq == QETH_CQ_ENABLED) && | |
2942 | (skb->protocol != ETH_P_AF_IUCV)))) || | |
2943 | card->options.sniffer) | |
4a71df50 FB |
2944 | goto tx_drop; |
2945 | ||
2946 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
2947 | card->stats.tx_carrier_errors++; | |
2948 | goto tx_drop; | |
2949 | } | |
2950 | ||
2951 | if ((cast_type == RTN_BROADCAST) && | |
2952 | (card->info.broadcast_capable == 0)) | |
2953 | goto tx_drop; | |
2954 | ||
2955 | if (card->options.performance_stats) { | |
2956 | card->perf_stats.outbound_cnt++; | |
2957 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
2958 | } | |
2959 | ||
6204b47e | 2960 | large_send = skb_is_gso(skb); |
683d718a FB |
2961 | |
2962 | if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) && | |
2963 | (skb_shinfo(skb)->nr_frags == 0)) { | |
2964 | new_skb = skb; | |
b3332930 FB |
2965 | if (new_skb->protocol == ETH_P_AF_IUCV) |
2966 | data_offset = 0; | |
2967 | else | |
2968 | data_offset = ETH_HLEN; | |
683d718a FB |
2969 | hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); |
2970 | if (!hdr) | |
2971 | goto tx_drop; | |
2972 | elements_needed++; | |
2973 | } else { | |
2974 | /* create a clone with writeable headroom */ | |
2975 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) | |
2976 | + VLAN_HLEN); | |
2977 | if (!new_skb) | |
2978 | goto tx_drop; | |
2979 | } | |
4a71df50 FB |
2980 | |
2981 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
683d718a FB |
2982 | if (data_offset < 0) |
2983 | skb_pull(new_skb, ETH_HLEN); | |
4a71df50 | 2984 | } else { |
21fde749 | 2985 | if (ipv == 4) { |
1abd2296 | 2986 | skb_pull(new_skb, ETH_HLEN); |
4a71df50 FB |
2987 | } |
2988 | ||
7ff0bcf6 | 2989 | if (ipv != 4 && vlan_tx_tag_present(new_skb)) { |
4a71df50 FB |
2990 | skb_push(new_skb, VLAN_HLEN); |
2991 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); | |
2992 | skb_copy_to_linear_data_offset(new_skb, 4, | |
2993 | new_skb->data + 8, 4); | |
2994 | skb_copy_to_linear_data_offset(new_skb, 8, | |
2995 | new_skb->data + 12, 4); | |
2996 | tag = (u16 *)(new_skb->data + 12); | |
2997 | *tag = __constant_htons(ETH_P_8021Q); | |
2998 | *(tag + 1) = htons(vlan_tx_tag_get(new_skb)); | |
4a71df50 FB |
2999 | } |
3000 | } | |
3001 | ||
3002 | netif_stop_queue(dev); | |
3003 | ||
4a71df50 | 3004 | /* fix hardware limitation: as long as we do not have sbal |
64ef8957 | 3005 | * chaining we can not send long frag lists |
4a71df50 | 3006 | */ |
6204b47e | 3007 | if (large_send) { |
c3b4a740 FB |
3008 | if (qeth_l3_tso_elements(new_skb) + 1 > 16) { |
3009 | if (skb_linearize(new_skb)) | |
3010 | goto tx_drop; | |
3011 | if (card->options.performance_stats) | |
3012 | card->perf_stats.tx_lin++; | |
3013 | } | |
64ef8957 | 3014 | } |
4a71df50 | 3015 | |
6204b47e | 3016 | if (large_send && (cast_type == RTN_UNSPEC)) { |
4a71df50 FB |
3017 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
3018 | sizeof(struct qeth_hdr_tso)); | |
3019 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | |
3020 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
3021 | qeth_tso_fill_header(card, hdr, new_skb); | |
3022 | elements_needed++; | |
3023 | } else { | |
683d718a FB |
3024 | if (data_offset < 0) { |
3025 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
4a71df50 | 3026 | sizeof(struct qeth_hdr)); |
683d718a FB |
3027 | qeth_l3_fill_header(card, hdr, new_skb, ipv, |
3028 | cast_type); | |
3029 | } else { | |
b3332930 FB |
3030 | if (new_skb->protocol == ETH_P_AF_IUCV) |
3031 | qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb); | |
3032 | else { | |
3033 | qeth_l3_fill_header(card, hdr, new_skb, ipv, | |
3034 | cast_type); | |
3035 | hdr->hdr.l3.length = new_skb->len - data_offset; | |
3036 | } | |
683d718a | 3037 | } |
f6b85b6c FB |
3038 | |
3039 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
3040 | qeth_l3_hdr_csum(card, hdr, new_skb); | |
4a71df50 FB |
3041 | } |
3042 | ||
065cc782 | 3043 | elems = qeth_get_elements_no(card, new_skb, elements_needed); |
64ef8957 FB |
3044 | if (!elems) { |
3045 | if (data_offset >= 0) | |
3046 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3047 | goto tx_drop; | |
f61a0d05 | 3048 | } |
64ef8957 FB |
3049 | elements_needed += elems; |
3050 | nr_frags = skb_shinfo(new_skb)->nr_frags; | |
4a71df50 | 3051 | |
51aa165c FB |
3052 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
3053 | int len; | |
6204b47e | 3054 | if (large_send) |
51aa165c FB |
3055 | len = ((unsigned long)tcp_hdr(new_skb) + |
3056 | tcp_hdr(new_skb)->doff * 4) - | |
3057 | (unsigned long)new_skb->data; | |
3058 | else | |
3059 | len = sizeof(struct qeth_hdr_layer3); | |
3060 | ||
d4ae1f5e | 3061 | if (qeth_hdr_chk_and_bounce(new_skb, &hdr, len)) |
51aa165c | 3062 | goto tx_drop; |
4a71df50 | 3063 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
64ef8957 | 3064 | elements_needed); |
51aa165c | 3065 | } else |
4a71df50 | 3066 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
64ef8957 | 3067 | elements_needed, data_offset, 0); |
4a71df50 FB |
3068 | |
3069 | if (!rc) { | |
3070 | card->stats.tx_packets++; | |
3071 | card->stats.tx_bytes += tx_bytes; | |
3072 | if (new_skb != skb) | |
3073 | dev_kfree_skb_any(skb); | |
3074 | if (card->options.performance_stats) { | |
6204b47e | 3075 | if (large_send) { |
4a71df50 FB |
3076 | card->perf_stats.large_send_bytes += tx_bytes; |
3077 | card->perf_stats.large_send_cnt++; | |
3078 | } | |
64ef8957 | 3079 | if (nr_frags) { |
4a71df50 FB |
3080 | card->perf_stats.sg_skbs_sent++; |
3081 | /* nr_frags + skb->data */ | |
64ef8957 | 3082 | card->perf_stats.sg_frags_sent += nr_frags + 1; |
4a71df50 FB |
3083 | } |
3084 | } | |
ec634fe3 | 3085 | rc = NETDEV_TX_OK; |
4a71df50 | 3086 | } else { |
683d718a FB |
3087 | if (data_offset >= 0) |
3088 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3089 | ||
4a71df50 FB |
3090 | if (rc == -EBUSY) { |
3091 | if (new_skb != skb) | |
3092 | dev_kfree_skb_any(new_skb); | |
3093 | return NETDEV_TX_BUSY; | |
3094 | } else | |
3095 | goto tx_drop; | |
3096 | } | |
3097 | ||
3098 | netif_wake_queue(dev); | |
3099 | if (card->options.performance_stats) | |
3100 | card->perf_stats.outbound_time += qeth_get_micros() - | |
3101 | card->perf_stats.outbound_start_time; | |
3102 | return rc; | |
3103 | ||
3104 | tx_drop: | |
3105 | card->stats.tx_dropped++; | |
3106 | card->stats.tx_errors++; | |
3107 | if ((new_skb != skb) && new_skb) | |
3108 | dev_kfree_skb_any(new_skb); | |
3109 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 3110 | netif_wake_queue(dev); |
4a71df50 FB |
3111 | return NETDEV_TX_OK; |
3112 | } | |
3113 | ||
39423440 | 3114 | static int __qeth_l3_open(struct net_device *dev) |
4a71df50 | 3115 | { |
509e2562 | 3116 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 3117 | int rc = 0; |
4a71df50 | 3118 | |
847a50fd | 3119 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
3120 | if (card->state == CARD_STATE_UP) |
3121 | return rc; | |
4a71df50 FB |
3122 | if (card->state != CARD_STATE_SOFTSETUP) |
3123 | return -ENODEV; | |
3124 | card->data.state = CH_STATE_UP; | |
3125 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
3126 | netif_start_queue(dev); |
3127 | ||
a1c3ed4c FB |
3128 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
3129 | napi_enable(&card->napi); | |
3130 | napi_schedule(&card->napi); | |
3131 | } else | |
3132 | rc = -EIO; | |
3133 | return rc; | |
4a71df50 FB |
3134 | } |
3135 | ||
39423440 UB |
3136 | static int qeth_l3_open(struct net_device *dev) |
3137 | { | |
3138 | struct qeth_card *card = dev->ml_priv; | |
3139 | ||
3140 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
3141 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
3142 | QETH_CARD_TEXT(card, 3, "openREC"); | |
3143 | return -ERESTARTSYS; | |
3144 | } | |
3145 | return __qeth_l3_open(dev); | |
3146 | } | |
3147 | ||
4a71df50 FB |
3148 | static int qeth_l3_stop(struct net_device *dev) |
3149 | { | |
509e2562 | 3150 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3151 | |
847a50fd | 3152 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 3153 | netif_tx_disable(dev); |
a1c3ed4c | 3154 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 3155 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
3156 | napi_disable(&card->napi); |
3157 | } | |
4a71df50 FB |
3158 | return 0; |
3159 | } | |
3160 | ||
c8f44aff MM |
3161 | static netdev_features_t qeth_l3_fix_features(struct net_device *dev, |
3162 | netdev_features_t features) | |
4a71df50 | 3163 | { |
509e2562 | 3164 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3165 | |
6204b47e MM |
3166 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) |
3167 | features &= ~NETIF_F_IP_CSUM; | |
3168 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) | |
3169 | features &= ~NETIF_F_TSO; | |
3170 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) | |
3171 | features &= ~NETIF_F_RXCSUM; | |
3172 | ||
3173 | return features; | |
4a71df50 FB |
3174 | } |
3175 | ||
c8f44aff MM |
3176 | static int qeth_l3_set_features(struct net_device *dev, |
3177 | netdev_features_t features) | |
4a71df50 | 3178 | { |
6204b47e MM |
3179 | struct qeth_card *card = dev->ml_priv; |
3180 | u32 changed = dev->features ^ features; | |
60a34277 | 3181 | int err; |
4a71df50 | 3182 | |
6204b47e MM |
3183 | if (!(changed & NETIF_F_RXCSUM)) |
3184 | return 0; | |
3185 | ||
60a34277 FB |
3186 | if (card->state == CARD_STATE_DOWN || |
3187 | card->state == CARD_STATE_RECOVER) | |
3188 | return 0; | |
3189 | ||
3190 | err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM); | |
3191 | if (err) | |
3192 | dev->features = features ^ NETIF_F_RXCSUM; | |
4a71df50 | 3193 | |
60a34277 | 3194 | return err; |
4a71df50 FB |
3195 | } |
3196 | ||
0fc0b732 | 3197 | static const struct ethtool_ops qeth_l3_ethtool_ops = { |
4a71df50 | 3198 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
3199 | .get_strings = qeth_core_get_strings, |
3200 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 3201 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 3202 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 3203 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
3204 | }; |
3205 | ||
3206 | /* | |
3207 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
3208 | * NOARP on the netdevice is no option because it also turns off neighbor | |
3209 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
3210 | * arp resolution but we want the hard header (packet socket will work | |
3211 | * e.g. tcpdump) | |
3212 | */ | |
3213 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
3214 | { | |
3215 | n->nud_state = NUD_NOARP; | |
3216 | memcpy(n->ha, "FAKELL", 6); | |
3217 | n->output = n->ops->connected_output; | |
3218 | return 0; | |
3219 | } | |
3220 | ||
3221 | static int | |
3222 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
3223 | { | |
3224 | if (np->tbl->family == AF_INET) | |
3225 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
3226 | ||
3227 | return 0; | |
3228 | } | |
3229 | ||
3d58cefd | 3230 | static const struct net_device_ops qeth_l3_netdev_ops = { |
8403b13c FB |
3231 | .ndo_open = qeth_l3_open, |
3232 | .ndo_stop = qeth_l3_stop, | |
3233 | .ndo_get_stats = qeth_get_stats, | |
3234 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3235 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3236 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3237 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3238 | .ndo_change_mtu = qeth_change_mtu, | |
3239 | .ndo_fix_features = qeth_l3_fix_features, | |
3240 | .ndo_set_features = qeth_l3_set_features, | |
8403b13c FB |
3241 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3242 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3243 | .ndo_tx_timeout = qeth_tx_timeout, |
8403b13c FB |
3244 | }; |
3245 | ||
3d58cefd FB |
3246 | static const struct net_device_ops qeth_l3_osa_netdev_ops = { |
3247 | .ndo_open = qeth_l3_open, | |
3248 | .ndo_stop = qeth_l3_stop, | |
3249 | .ndo_get_stats = qeth_get_stats, | |
3250 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3251 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3252 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3253 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3254 | .ndo_change_mtu = qeth_change_mtu, | |
3255 | .ndo_fix_features = qeth_l3_fix_features, | |
3256 | .ndo_set_features = qeth_l3_set_features, | |
3d58cefd FB |
3257 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3258 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3259 | .ndo_tx_timeout = qeth_tx_timeout, |
3d58cefd FB |
3260 | .ndo_neigh_setup = qeth_l3_neigh_setup, |
3261 | }; | |
3262 | ||
4a71df50 FB |
3263 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
3264 | { | |
5113fec0 UB |
3265 | if (card->info.type == QETH_CARD_TYPE_OSD || |
3266 | card->info.type == QETH_CARD_TYPE_OSX) { | |
4a71df50 FB |
3267 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
3268 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { | |
1abd2296 PG |
3269 | pr_info("qeth_l3: ignoring TR device\n"); |
3270 | return -ENODEV; | |
4a71df50 FB |
3271 | } else { |
3272 | card->dev = alloc_etherdev(0); | |
3273 | if (!card->dev) | |
3274 | return -ENODEV; | |
3d58cefd | 3275 | card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; |
4a71df50 FB |
3276 | |
3277 | /*IPv6 address autoconfiguration stuff*/ | |
3278 | qeth_l3_get_unique_id(card); | |
3279 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
3280 | card->dev->dev_id = card->info.unique_id & | |
3281 | 0xffff; | |
c5e631a8 FB |
3282 | if (!card->info.guestlan) { |
3283 | card->dev->hw_features = NETIF_F_SG | | |
3284 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | | |
3285 | NETIF_F_TSO; | |
3286 | card->dev->features = NETIF_F_RXCSUM; | |
3287 | } | |
4a71df50 FB |
3288 | } |
3289 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { | |
c835a677 TG |
3290 | card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN, |
3291 | ether_setup); | |
4a71df50 FB |
3292 | if (!card->dev) |
3293 | return -ENODEV; | |
3294 | card->dev->flags |= IFF_NOARP; | |
3d58cefd | 3295 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
4a71df50 | 3296 | qeth_l3_iqd_read_initial_mac(card); |
b3332930 FB |
3297 | if (card->options.hsuid[0]) |
3298 | memcpy(card->dev->perm_addr, card->options.hsuid, 9); | |
4a71df50 FB |
3299 | } else |
3300 | return -ENODEV; | |
3301 | ||
509e2562 | 3302 | card->dev->ml_priv = card; |
4a71df50 | 3303 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
4a71df50 | 3304 | card->dev->mtu = card->info.initial_mtu; |
7ad24ea4 | 3305 | card->dev->ethtool_ops = &qeth_l3_ethtool_ops; |
f646968f PM |
3306 | card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | |
3307 | NETIF_F_HW_VLAN_CTAG_RX | | |
3308 | NETIF_F_HW_VLAN_CTAG_FILTER; | |
86d15cd8 | 3309 | card->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; |
c3b4a740 | 3310 | card->dev->gso_max_size = 15 * PAGE_SIZE; |
4a71df50 FB |
3311 | |
3312 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 3313 | netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT); |
4a71df50 FB |
3314 | return register_netdev(card->dev); |
3315 | } | |
3316 | ||
4a71df50 FB |
3317 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
3318 | { | |
3319 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3320 | ||
3321 | qeth_l3_create_device_attributes(&gdev->dev); | |
3322 | card->options.layer2 = 0; | |
1da74b1c | 3323 | card->info.hwtrap = 0; |
4a71df50 FB |
3324 | return 0; |
3325 | } | |
3326 | ||
3327 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
3328 | { | |
3329 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3330 | ||
9dc48ccc UB |
3331 | qeth_l3_remove_device_attributes(&cgdev->dev); |
3332 | ||
f2148565 | 3333 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
3334 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
3335 | ||
70919e23 | 3336 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 3337 | qeth_l3_set_offline(cgdev); |
4a71df50 FB |
3338 | |
3339 | if (card->dev) { | |
3340 | unregister_netdev(card->dev); | |
3341 | card->dev = NULL; | |
3342 | } | |
3343 | ||
70919e23 | 3344 | qeth_l3_clear_ip_list(card, 0); |
4a71df50 FB |
3345 | qeth_l3_clear_ipato_list(card); |
3346 | return; | |
3347 | } | |
3348 | ||
3349 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
3350 | { | |
3351 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3352 | int rc = 0; | |
3353 | enum qeth_card_states recover_flag; | |
3354 | ||
9dc48ccc | 3355 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3356 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3357 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
3358 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 3359 | |
4a71df50 | 3360 | recover_flag = card->state; |
4a71df50 FB |
3361 | rc = qeth_core_hardsetup_card(card); |
3362 | if (rc) { | |
d11ba0c4 | 3363 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
aa909224 | 3364 | rc = -ENODEV; |
4a71df50 FB |
3365 | goto out_remove; |
3366 | } | |
3367 | ||
aa909224 UB |
3368 | if (!card->dev && qeth_l3_setup_netdev(card)) { |
3369 | rc = -ENODEV; | |
4a71df50 | 3370 | goto out_remove; |
aa909224 | 3371 | } |
4a71df50 | 3372 | |
1da74b1c FB |
3373 | if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { |
3374 | if (card->info.hwtrap && | |
3375 | qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) | |
3376 | card->info.hwtrap = 0; | |
3377 | } else | |
3378 | card->info.hwtrap = 0; | |
3379 | ||
4a71df50 | 3380 | card->state = CARD_STATE_HARDSETUP; |
a1c3ed4c | 3381 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
3382 | qeth_print_status_message(card); |
3383 | ||
3384 | /* softsetup */ | |
d11ba0c4 | 3385 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
3386 | |
3387 | rc = qeth_send_startlan(card); | |
3388 | if (rc) { | |
d11ba0c4 | 3389 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 3390 | if (rc == 0xe080) { |
74eacdb9 FB |
3391 | dev_warn(&card->gdev->dev, |
3392 | "The LAN is offline\n"); | |
4a71df50 | 3393 | card->lan_online = 0; |
2b6203bb | 3394 | goto contin; |
4a71df50 | 3395 | } |
aa909224 | 3396 | rc = -ENODEV; |
f2148565 | 3397 | goto out_remove; |
4a71df50 FB |
3398 | } else |
3399 | card->lan_online = 1; | |
4a71df50 | 3400 | |
2b6203bb | 3401 | contin: |
4a71df50 FB |
3402 | rc = qeth_l3_setadapter_parms(card); |
3403 | if (rc) | |
d11ba0c4 | 3404 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
76b11f8e UB |
3405 | if (!card->options.sniffer) { |
3406 | rc = qeth_l3_start_ipassists(card); | |
0f54761d | 3407 | if (rc) { |
76b11f8e | 3408 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
0f54761d SR |
3409 | goto out_remove; |
3410 | } | |
76b11f8e UB |
3411 | rc = qeth_l3_setrouting_v4(card); |
3412 | if (rc) | |
3413 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); | |
3414 | rc = qeth_l3_setrouting_v6(card); | |
3415 | if (rc) | |
3416 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); | |
3417 | } | |
4a71df50 FB |
3418 | netif_tx_disable(card->dev); |
3419 | ||
3420 | rc = qeth_init_qdio_queues(card); | |
3421 | if (rc) { | |
d11ba0c4 | 3422 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 3423 | rc = -ENODEV; |
4a71df50 FB |
3424 | goto out_remove; |
3425 | } | |
3426 | card->state = CARD_STATE_SOFTSETUP; | |
4a71df50 FB |
3427 | |
3428 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
e8069040 | 3429 | qeth_l3_set_ip_addr_list(card); |
2b6203bb UB |
3430 | if (card->lan_online) |
3431 | netif_carrier_on(card->dev); | |
3432 | else | |
3433 | netif_carrier_off(card->dev); | |
8af7c5ae | 3434 | if (recover_flag == CARD_STATE_RECOVER) { |
4763b0a0 | 3435 | rtnl_lock(); |
8af7c5ae | 3436 | if (recovery_mode) |
39423440 | 3437 | __qeth_l3_open(card->dev); |
4763b0a0 | 3438 | else |
8af7c5ae | 3439 | dev_open(card->dev); |
8af7c5ae | 3440 | qeth_l3_set_multicast_list(card->dev); |
4763b0a0 | 3441 | rtnl_unlock(); |
4a71df50 | 3442 | } |
82f77cf9 | 3443 | qeth_trace_features(card); |
4a71df50 FB |
3444 | /* let user_space know that device is online */ |
3445 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3446 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3447 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3448 | return 0; |
3449 | out_remove: | |
4a71df50 FB |
3450 | qeth_l3_stop_card(card, 0); |
3451 | ccw_device_set_offline(CARD_DDEV(card)); | |
3452 | ccw_device_set_offline(CARD_WDEV(card)); | |
3453 | ccw_device_set_offline(CARD_RDEV(card)); | |
22ae2790 | 3454 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3455 | if (recover_flag == CARD_STATE_RECOVER) |
3456 | card->state = CARD_STATE_RECOVER; | |
3457 | else | |
3458 | card->state = CARD_STATE_DOWN; | |
c4949f07 | 3459 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3460 | mutex_unlock(&card->discipline_mutex); |
aa909224 | 3461 | return rc; |
4a71df50 FB |
3462 | } |
3463 | ||
3464 | static int qeth_l3_set_online(struct ccwgroup_device *gdev) | |
3465 | { | |
3466 | return __qeth_l3_set_online(gdev, 0); | |
3467 | } | |
3468 | ||
3469 | static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, | |
3470 | int recovery_mode) | |
3471 | { | |
3472 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3473 | int rc = 0, rc2 = 0, rc3 = 0; | |
3474 | enum qeth_card_states recover_flag; | |
3475 | ||
9dc48ccc | 3476 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3477 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3478 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
3479 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
3480 | |
3481 | if (card->dev && netif_carrier_ok(card->dev)) | |
3482 | netif_carrier_off(card->dev); | |
3483 | recover_flag = card->state; | |
1da74b1c FB |
3484 | if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { |
3485 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
3486 | card->info.hwtrap = 1; | |
3487 | } | |
0f5623c9 | 3488 | qeth_l3_stop_card(card, recovery_mode); |
72861ae7 EL |
3489 | if ((card->options.cq == QETH_CQ_ENABLED) && card->dev) { |
3490 | rtnl_lock(); | |
3491 | call_netdevice_notifiers(NETDEV_REBOOT, card->dev); | |
3492 | rtnl_unlock(); | |
3493 | } | |
4a71df50 FB |
3494 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
3495 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
3496 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
3497 | if (!rc) | |
3498 | rc = (rc2) ? rc2 : rc3; | |
3499 | if (rc) | |
d11ba0c4 | 3500 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
22ae2790 | 3501 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3502 | if (recover_flag == CARD_STATE_UP) |
3503 | card->state = CARD_STATE_RECOVER; | |
3504 | /* let user_space know that device is offline */ | |
3505 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3506 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3507 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3508 | return 0; |
3509 | } | |
3510 | ||
3511 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) | |
3512 | { | |
3513 | return __qeth_l3_set_offline(cgdev, 0); | |
3514 | } | |
3515 | ||
3516 | static int qeth_l3_recover(void *ptr) | |
3517 | { | |
3518 | struct qeth_card *card; | |
3519 | int rc = 0; | |
3520 | ||
3521 | card = (struct qeth_card *) ptr; | |
847a50fd CO |
3522 | QETH_CARD_TEXT(card, 2, "recover1"); |
3523 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3524 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
3525 | return 0; | |
847a50fd | 3526 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
3527 | dev_warn(&card->gdev->dev, |
3528 | "A recovery process has been started for the device\n"); | |
65d8013c | 3529 | qeth_set_recovery_task(card); |
4a71df50 FB |
3530 | __qeth_l3_set_offline(card->gdev, 1); |
3531 | rc = __qeth_l3_set_online(card->gdev, 1); | |
4a71df50 | 3532 | if (!rc) |
74eacdb9 FB |
3533 | dev_info(&card->gdev->dev, |
3534 | "Device successfully recovered!\n"); | |
28a7e4c9 | 3535 | else { |
0f54761d SR |
3536 | qeth_close_dev(card); |
3537 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
2efaf5ff | 3538 | "failed to recover an error on the device\n"); |
28a7e4c9 | 3539 | } |
65d8013c | 3540 | qeth_clear_recovery_task(card); |
a1c3ed4c FB |
3541 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
3542 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
3543 | return 0; |
3544 | } | |
3545 | ||
3546 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) | |
3547 | { | |
3548 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
f78ac2bb | 3549 | qeth_set_allowed_threads(card, 0, 1); |
1da74b1c FB |
3550 | if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) |
3551 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
4a71df50 FB |
3552 | qeth_qdio_clear_card(card, 0); |
3553 | qeth_clear_qdio_buffers(card); | |
22ae2790 | 3554 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3555 | } |
3556 | ||
bbcfcdc8 FB |
3557 | static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) |
3558 | { | |
3559 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3560 | ||
3561 | if (card->dev) | |
3562 | netif_device_detach(card->dev); | |
3563 | qeth_set_allowed_threads(card, 0, 1); | |
3564 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
3565 | if (gdev->state == CCWGROUP_OFFLINE) | |
3566 | return 0; | |
3567 | if (card->state == CARD_STATE_UP) { | |
1da74b1c FB |
3568 | if (card->info.hwtrap) |
3569 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
bbcfcdc8 FB |
3570 | __qeth_l3_set_offline(card->gdev, 1); |
3571 | } else | |
3572 | __qeth_l3_set_offline(card->gdev, 0); | |
3573 | return 0; | |
3574 | } | |
3575 | ||
3576 | static int qeth_l3_pm_resume(struct ccwgroup_device *gdev) | |
3577 | { | |
3578 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3579 | int rc = 0; | |
3580 | ||
3581 | if (gdev->state == CCWGROUP_OFFLINE) | |
3582 | goto out; | |
3583 | ||
3584 | if (card->state == CARD_STATE_RECOVER) { | |
3585 | rc = __qeth_l3_set_online(card->gdev, 1); | |
3586 | if (rc) { | |
869da90b UB |
3587 | rtnl_lock(); |
3588 | dev_close(card->dev); | |
3589 | rtnl_unlock(); | |
bbcfcdc8 FB |
3590 | } |
3591 | } else | |
3592 | rc = __qeth_l3_set_online(card->gdev, 0); | |
3593 | out: | |
3594 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
3595 | if (card->dev) | |
3596 | netif_device_attach(card->dev); | |
3597 | if (rc) | |
3598 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
3599 | "failed to recover an error on the device\n"); | |
3600 | return rc; | |
3601 | } | |
3602 | ||
c044dc21 EC |
3603 | /* Returns zero if the command is successfully "consumed" */ |
3604 | static int qeth_l3_control_event(struct qeth_card *card, | |
3605 | struct qeth_ipa_cmd *cmd) | |
3606 | { | |
3607 | return 1; | |
3608 | } | |
3609 | ||
c041f2d4 SO |
3610 | struct qeth_discipline qeth_l3_discipline = { |
3611 | .start_poll = qeth_qdio_start_poll, | |
3612 | .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, | |
3613 | .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, | |
3614 | .recover = qeth_l3_recover, | |
3615 | .setup = qeth_l3_probe_device, | |
4a71df50 FB |
3616 | .remove = qeth_l3_remove_device, |
3617 | .set_online = qeth_l3_set_online, | |
3618 | .set_offline = qeth_l3_set_offline, | |
3619 | .shutdown = qeth_l3_shutdown, | |
bbcfcdc8 FB |
3620 | .freeze = qeth_l3_pm_suspend, |
3621 | .thaw = qeth_l3_pm_resume, | |
3622 | .restore = qeth_l3_pm_resume, | |
c044dc21 | 3623 | .control_event_handler = qeth_l3_control_event, |
4a71df50 | 3624 | }; |
c041f2d4 | 3625 | EXPORT_SYMBOL_GPL(qeth_l3_discipline); |
4a71df50 FB |
3626 | |
3627 | static int qeth_l3_ip_event(struct notifier_block *this, | |
76fef2b6 | 3628 | unsigned long event, void *ptr) |
4a71df50 FB |
3629 | { |
3630 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3631 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; | |
3632 | struct qeth_ipaddr *addr; | |
3633 | struct qeth_card *card; | |
3634 | ||
c346dca1 | 3635 | if (dev_net(dev) != &init_net) |
76fef2b6 DM |
3636 | return NOTIFY_DONE; |
3637 | ||
4a71df50 FB |
3638 | card = qeth_l3_get_card_from_dev(dev); |
3639 | if (!card) | |
3640 | return NOTIFY_DONE; | |
6d8823db | 3641 | QETH_CARD_TEXT(card, 3, "ipevent"); |
4a71df50 FB |
3642 | |
3643 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
3644 | if (addr != NULL) { | |
3645 | addr->u.a4.addr = ifa->ifa_address; | |
3646 | addr->u.a4.mask = ifa->ifa_mask; | |
3647 | addr->type = QETH_IP_TYPE_NORMAL; | |
3648 | } else | |
3649 | goto out; | |
3650 | ||
3651 | switch (event) { | |
3652 | case NETDEV_UP: | |
3653 | if (!qeth_l3_add_ip(card, addr)) | |
3654 | kfree(addr); | |
3655 | break; | |
3656 | case NETDEV_DOWN: | |
3657 | if (!qeth_l3_delete_ip(card, addr)) | |
3658 | kfree(addr); | |
3659 | break; | |
3660 | default: | |
3661 | break; | |
3662 | } | |
3663 | qeth_l3_set_ip_addr_list(card); | |
3664 | out: | |
3665 | return NOTIFY_DONE; | |
3666 | } | |
3667 | ||
3668 | static struct notifier_block qeth_l3_ip_notifier = { | |
3669 | qeth_l3_ip_event, | |
3670 | NULL, | |
3671 | }; | |
3672 | ||
3673 | #ifdef CONFIG_QETH_IPV6 | |
3674 | /** | |
3675 | * IPv6 event handler | |
3676 | */ | |
3677 | static int qeth_l3_ip6_event(struct notifier_block *this, | |
76fef2b6 | 3678 | unsigned long event, void *ptr) |
4a71df50 FB |
3679 | { |
3680 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
3681 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
3682 | struct qeth_ipaddr *addr; | |
3683 | struct qeth_card *card; | |
3684 | ||
4a71df50 FB |
3685 | card = qeth_l3_get_card_from_dev(dev); |
3686 | if (!card) | |
3687 | return NOTIFY_DONE; | |
847a50fd | 3688 | QETH_CARD_TEXT(card, 3, "ip6event"); |
4a71df50 FB |
3689 | if (!qeth_is_supported(card, IPA_IPV6)) |
3690 | return NOTIFY_DONE; | |
3691 | ||
3692 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
3693 | if (addr != NULL) { | |
3694 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
3695 | addr->u.a6.pfxlen = ifa->prefix_len; | |
3696 | addr->type = QETH_IP_TYPE_NORMAL; | |
3697 | } else | |
3698 | goto out; | |
3699 | ||
3700 | switch (event) { | |
3701 | case NETDEV_UP: | |
3702 | if (!qeth_l3_add_ip(card, addr)) | |
3703 | kfree(addr); | |
3704 | break; | |
3705 | case NETDEV_DOWN: | |
3706 | if (!qeth_l3_delete_ip(card, addr)) | |
3707 | kfree(addr); | |
3708 | break; | |
3709 | default: | |
3710 | break; | |
3711 | } | |
3712 | qeth_l3_set_ip_addr_list(card); | |
3713 | out: | |
3714 | return NOTIFY_DONE; | |
3715 | } | |
3716 | ||
3717 | static struct notifier_block qeth_l3_ip6_notifier = { | |
3718 | qeth_l3_ip6_event, | |
3719 | NULL, | |
3720 | }; | |
3721 | #endif | |
3722 | ||
3723 | static int qeth_l3_register_notifiers(void) | |
3724 | { | |
3725 | int rc; | |
3726 | ||
847a50fd | 3727 | QETH_DBF_TEXT(SETUP, 5, "regnotif"); |
4a71df50 FB |
3728 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
3729 | if (rc) | |
3730 | return rc; | |
3731 | #ifdef CONFIG_QETH_IPV6 | |
3732 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); | |
3733 | if (rc) { | |
3734 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
3735 | return rc; | |
3736 | } | |
3737 | #else | |
74eacdb9 | 3738 | pr_warning("There is no IPv6 support for the layer 3 discipline\n"); |
4a71df50 FB |
3739 | #endif |
3740 | return 0; | |
3741 | } | |
3742 | ||
3743 | static void qeth_l3_unregister_notifiers(void) | |
3744 | { | |
3745 | ||
847a50fd | 3746 | QETH_DBF_TEXT(SETUP, 5, "unregnot"); |
18af5c17 | 3747 | WARN_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
4a71df50 | 3748 | #ifdef CONFIG_QETH_IPV6 |
18af5c17 | 3749 | WARN_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); |
4a71df50 FB |
3750 | #endif /* QETH_IPV6 */ |
3751 | } | |
3752 | ||
3753 | static int __init qeth_l3_init(void) | |
3754 | { | |
3755 | int rc = 0; | |
3756 | ||
74eacdb9 | 3757 | pr_info("register layer 3 discipline\n"); |
4a71df50 FB |
3758 | rc = qeth_l3_register_notifiers(); |
3759 | return rc; | |
3760 | } | |
3761 | ||
3762 | static void __exit qeth_l3_exit(void) | |
3763 | { | |
3764 | qeth_l3_unregister_notifiers(); | |
74eacdb9 | 3765 | pr_info("unregister layer 3 discipline\n"); |
4a71df50 FB |
3766 | } |
3767 | ||
3768 | module_init(qeth_l3_init); | |
3769 | module_exit(qeth_l3_exit); | |
3770 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
3771 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
3772 | MODULE_LICENSE("GPL"); |