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4a71df50 FB |
1 | /* |
2 | * drivers/s390/net/qeth_l3_main.c | |
3 | * | |
4 | * Copyright IBM Corp. 2007 | |
5 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, | |
6 | * Frank Pavlic <fpavlic@de.ibm.com>, | |
7 | * Thomas Spatzier <tspat@de.ibm.com>, | |
8 | * Frank Blaschka <frank.blaschka@de.ibm.com> | |
9 | */ | |
10 | ||
11 | #include <linux/module.h> | |
12 | #include <linux/moduleparam.h> | |
13 | #include <linux/string.h> | |
14 | #include <linux/errno.h> | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/etherdevice.h> | |
17 | #include <linux/mii.h> | |
18 | #include <linux/ip.h> | |
19 | #include <linux/reboot.h> | |
20 | #include <linux/inetdevice.h> | |
21 | #include <linux/igmp.h> | |
22 | ||
23 | #include <net/ip.h> | |
24 | #include <net/arp.h> | |
25 | ||
26 | #include <asm/s390_rdev.h> | |
27 | ||
28 | #include "qeth_l3.h" | |
29 | #include "qeth_core_offl.h" | |
30 | ||
31 | DEFINE_PER_CPU(char[256], qeth_l3_dbf_txt_buf); | |
32 | ||
33 | static int qeth_l3_set_offline(struct ccwgroup_device *); | |
34 | static int qeth_l3_recover(void *); | |
35 | static int qeth_l3_stop(struct net_device *); | |
36 | static void qeth_l3_set_multicast_list(struct net_device *); | |
37 | static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *); | |
38 | static int qeth_l3_register_addr_entry(struct qeth_card *, | |
39 | struct qeth_ipaddr *); | |
40 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, | |
41 | struct qeth_ipaddr *); | |
42 | static int __qeth_l3_set_online(struct ccwgroup_device *, int); | |
43 | static int __qeth_l3_set_offline(struct ccwgroup_device *, int); | |
44 | ||
45 | ||
46 | static int qeth_l3_isxdigit(char *buf) | |
47 | { | |
48 | while (*buf) { | |
49 | if (!isxdigit(*buf++)) | |
50 | return 0; | |
51 | } | |
52 | return 1; | |
53 | } | |
54 | ||
55 | void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) | |
56 | { | |
57 | sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); | |
58 | } | |
59 | ||
60 | int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) | |
61 | { | |
62 | int count = 0, rc = 0; | |
63 | int in[4]; | |
64 | char c; | |
65 | ||
66 | rc = sscanf(buf, "%u.%u.%u.%u%c", | |
67 | &in[0], &in[1], &in[2], &in[3], &c); | |
68 | if (rc != 4 && (rc != 5 || c != '\n')) | |
69 | return -EINVAL; | |
70 | for (count = 0; count < 4; count++) { | |
71 | if (in[count] > 255) | |
72 | return -EINVAL; | |
73 | addr[count] = in[count]; | |
74 | } | |
75 | return 0; | |
76 | } | |
77 | ||
78 | void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) | |
79 | { | |
80 | sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x" | |
81 | ":%02x%02x:%02x%02x:%02x%02x:%02x%02x", | |
82 | addr[0], addr[1], addr[2], addr[3], | |
83 | addr[4], addr[5], addr[6], addr[7], | |
84 | addr[8], addr[9], addr[10], addr[11], | |
85 | addr[12], addr[13], addr[14], addr[15]); | |
86 | } | |
87 | ||
88 | int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) | |
89 | { | |
90 | const char *end, *end_tmp, *start; | |
91 | __u16 *in; | |
92 | char num[5]; | |
93 | int num2, cnt, out, found, save_cnt; | |
94 | unsigned short in_tmp[8] = {0, }; | |
95 | ||
96 | cnt = out = found = save_cnt = num2 = 0; | |
97 | end = start = buf; | |
98 | in = (__u16 *) addr; | |
99 | memset(in, 0, 16); | |
100 | while (*end) { | |
101 | end = strchr(start, ':'); | |
102 | if (end == NULL) { | |
103 | end = buf + strlen(buf); | |
104 | end_tmp = strchr(start, '\n'); | |
105 | if (end_tmp != NULL) | |
106 | end = end_tmp; | |
107 | out = 1; | |
108 | } | |
109 | if ((end - start)) { | |
110 | memset(num, 0, 5); | |
111 | if ((end - start) > 4) | |
112 | return -EINVAL; | |
113 | memcpy(num, start, end - start); | |
114 | if (!qeth_l3_isxdigit(num)) | |
115 | return -EINVAL; | |
116 | sscanf(start, "%x", &num2); | |
117 | if (found) | |
118 | in_tmp[save_cnt++] = num2; | |
119 | else | |
120 | in[cnt++] = num2; | |
121 | if (out) | |
122 | break; | |
123 | } else { | |
124 | if (found) | |
125 | return -EINVAL; | |
126 | found = 1; | |
127 | } | |
128 | start = ++end; | |
129 | } | |
130 | if (cnt + save_cnt > 8) | |
131 | return -EINVAL; | |
132 | cnt = 7; | |
133 | while (save_cnt) | |
134 | in[cnt--] = in_tmp[--save_cnt]; | |
135 | return 0; | |
136 | } | |
137 | ||
138 | void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, | |
139 | char *buf) | |
140 | { | |
141 | if (proto == QETH_PROT_IPV4) | |
142 | qeth_l3_ipaddr4_to_string(addr, buf); | |
143 | else if (proto == QETH_PROT_IPV6) | |
144 | qeth_l3_ipaddr6_to_string(addr, buf); | |
145 | } | |
146 | ||
147 | int qeth_l3_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, | |
148 | __u8 *addr) | |
149 | { | |
150 | if (proto == QETH_PROT_IPV4) | |
151 | return qeth_l3_string_to_ipaddr4(buf, addr); | |
152 | else if (proto == QETH_PROT_IPV6) | |
153 | return qeth_l3_string_to_ipaddr6(buf, addr); | |
154 | else | |
155 | return -EINVAL; | |
156 | } | |
157 | ||
158 | static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) | |
159 | { | |
160 | int i, j; | |
161 | u8 octet; | |
162 | ||
163 | for (i = 0; i < len; ++i) { | |
164 | octet = addr[i]; | |
165 | for (j = 7; j >= 0; --j) { | |
166 | bits[i*8 + j] = octet & 1; | |
167 | octet >>= 1; | |
168 | } | |
169 | } | |
170 | } | |
171 | ||
172 | static int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, | |
173 | struct qeth_ipaddr *addr) | |
174 | { | |
175 | struct qeth_ipato_entry *ipatoe; | |
176 | u8 addr_bits[128] = {0, }; | |
177 | u8 ipatoe_bits[128] = {0, }; | |
178 | int rc = 0; | |
179 | ||
180 | if (!card->ipato.enabled) | |
181 | return 0; | |
182 | ||
183 | qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
184 | (addr->proto == QETH_PROT_IPV4)? 4:16); | |
185 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
186 | if (addr->proto != ipatoe->proto) | |
187 | continue; | |
188 | qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
189 | (ipatoe->proto == QETH_PROT_IPV4) ? | |
190 | 4 : 16); | |
191 | if (addr->proto == QETH_PROT_IPV4) | |
192 | rc = !memcmp(addr_bits, ipatoe_bits, | |
193 | min(32, ipatoe->mask_bits)); | |
194 | else | |
195 | rc = !memcmp(addr_bits, ipatoe_bits, | |
196 | min(128, ipatoe->mask_bits)); | |
197 | if (rc) | |
198 | break; | |
199 | } | |
200 | /* invert? */ | |
201 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
202 | rc = !rc; | |
203 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
204 | rc = !rc; | |
205 | ||
206 | return rc; | |
207 | } | |
208 | ||
209 | /* | |
210 | * Add IP to be added to todo list. If there is already an "add todo" | |
211 | * in this list we just incremenent the reference count. | |
212 | * Returns 0 if we just incremented reference count. | |
213 | */ | |
214 | static int __qeth_l3_insert_ip_todo(struct qeth_card *card, | |
215 | struct qeth_ipaddr *addr, int add) | |
216 | { | |
217 | struct qeth_ipaddr *tmp, *t; | |
218 | int found = 0; | |
219 | ||
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)) { | |
d11ba0c4 | 262 | QETH_DBF_TEXT(TRACE, 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 | ||
271 | static int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) | |
272 | { | |
273 | unsigned long flags; | |
274 | int rc = 0; | |
275 | ||
d11ba0c4 | 276 | QETH_DBF_TEXT(TRACE, 4, "delip"); |
4a71df50 FB |
277 | |
278 | if (addr->proto == QETH_PROT_IPV4) | |
d11ba0c4 | 279 | QETH_DBF_HEX(TRACE, 4, &addr->u.a4.addr, 4); |
4a71df50 | 280 | else { |
d11ba0c4 PT |
281 | QETH_DBF_HEX(TRACE, 4, &addr->u.a6.addr, 8); |
282 | QETH_DBF_HEX(TRACE, 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 | ||
290 | static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) | |
291 | { | |
292 | unsigned long flags; | |
293 | int rc = 0; | |
294 | ||
d11ba0c4 | 295 | QETH_DBF_TEXT(TRACE, 4, "addip"); |
4a71df50 | 296 | if (addr->proto == QETH_PROT_IPV4) |
d11ba0c4 | 297 | QETH_DBF_HEX(TRACE, 4, &addr->u.a4.addr, 4); |
4a71df50 | 298 | else { |
d11ba0c4 PT |
299 | QETH_DBF_HEX(TRACE, 4, &addr->u.a6.addr, 8); |
300 | QETH_DBF_HEX(TRACE, 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 | ||
309 | static struct qeth_ipaddr *qeth_l3_get_addr_buffer( | |
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) { | |
316 | PRINT_WARN("Not enough memory to add address\n"); | |
317 | return NULL; | |
318 | } | |
319 | addr->type = QETH_IP_TYPE_NORMAL; | |
320 | addr->proto = prot; | |
321 | return addr; | |
322 | } | |
323 | ||
324 | static void qeth_l3_delete_mc_addresses(struct qeth_card *card) | |
325 | { | |
326 | struct qeth_ipaddr *iptodo; | |
327 | unsigned long flags; | |
328 | ||
d11ba0c4 | 329 | QETH_DBF_TEXT(TRACE, 4, "delmc"); |
4a71df50 FB |
330 | iptodo = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
331 | if (!iptodo) { | |
d11ba0c4 | 332 | QETH_DBF_TEXT(TRACE, 2, "dmcnomem"); |
4a71df50 FB |
333 | return; |
334 | } | |
335 | iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; | |
336 | spin_lock_irqsave(&card->ip_lock, flags); | |
337 | if (!__qeth_l3_insert_ip_todo(card, iptodo, 0)) | |
338 | kfree(iptodo); | |
339 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
340 | } | |
341 | ||
342 | /* | |
343 | * Add/remove address to/from card's ip list, i.e. try to add or remove | |
344 | * reference to/from an IP address that is already registered on the card. | |
345 | * Returns: | |
346 | * 0 address was on card and its reference count has been adjusted, | |
347 | * but is still > 0, so nothing has to be done | |
348 | * also returns 0 if card was not on card and the todo was to delete | |
349 | * the address -> there is also nothing to be done | |
350 | * 1 address was not on card and the todo is to add it to the card's ip | |
351 | * list | |
352 | * -1 address was on card and its reference count has been decremented | |
353 | * to <= 0 by the todo -> address must be removed from card | |
354 | */ | |
355 | static int __qeth_l3_ref_ip_on_card(struct qeth_card *card, | |
356 | struct qeth_ipaddr *todo, struct qeth_ipaddr **__addr) | |
357 | { | |
358 | struct qeth_ipaddr *addr; | |
359 | int found = 0; | |
360 | ||
361 | list_for_each_entry(addr, &card->ip_list, entry) { | |
362 | if ((addr->proto == QETH_PROT_IPV4) && | |
363 | (todo->proto == QETH_PROT_IPV4) && | |
364 | (addr->type == todo->type) && | |
365 | (addr->u.a4.addr == todo->u.a4.addr) && | |
366 | (addr->u.a4.mask == todo->u.a4.mask)) { | |
367 | found = 1; | |
368 | break; | |
369 | } | |
370 | if ((addr->proto == QETH_PROT_IPV6) && | |
371 | (todo->proto == QETH_PROT_IPV6) && | |
372 | (addr->type == todo->type) && | |
373 | (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && | |
374 | (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, | |
375 | sizeof(struct in6_addr)) == 0)) { | |
376 | found = 1; | |
377 | break; | |
378 | } | |
379 | } | |
380 | if (found) { | |
381 | addr->users += todo->users; | |
382 | if (addr->users <= 0) { | |
383 | *__addr = addr; | |
384 | return -1; | |
385 | } else { | |
386 | /* for VIPA and RXIP limit refcount to 1 */ | |
387 | if (addr->type != QETH_IP_TYPE_NORMAL) | |
388 | addr->users = 1; | |
389 | return 0; | |
390 | } | |
391 | } | |
392 | if (todo->users > 0) { | |
393 | /* for VIPA and RXIP limit refcount to 1 */ | |
394 | if (todo->type != QETH_IP_TYPE_NORMAL) | |
395 | todo->users = 1; | |
396 | return 1; | |
397 | } else | |
398 | return 0; | |
399 | } | |
400 | ||
401 | static void __qeth_l3_delete_all_mc(struct qeth_card *card, | |
402 | unsigned long *flags) | |
403 | { | |
2d921c32 | 404 | struct list_head fail_list; |
4a71df50 FB |
405 | struct qeth_ipaddr *addr, *tmp; |
406 | int rc; | |
2d921c32 UB |
407 | |
408 | INIT_LIST_HEAD(&fail_list); | |
4a71df50 FB |
409 | again: |
410 | list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { | |
411 | if (addr->is_multicast) { | |
412 | list_del(&addr->entry); | |
413 | spin_unlock_irqrestore(&card->ip_lock, *flags); | |
414 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
415 | spin_lock_irqsave(&card->ip_lock, *flags); | |
2d921c32 | 416 | if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND)) |
4a71df50 | 417 | kfree(addr); |
2d921c32 UB |
418 | else |
419 | list_add_tail(&addr->entry, &fail_list); | |
420 | goto again; | |
4a71df50 FB |
421 | } |
422 | } | |
2d921c32 | 423 | list_splice(&fail_list, &card->ip_list); |
4a71df50 FB |
424 | } |
425 | ||
426 | static void qeth_l3_set_ip_addr_list(struct qeth_card *card) | |
427 | { | |
428 | struct list_head *tbd_list; | |
429 | struct qeth_ipaddr *todo, *addr; | |
430 | unsigned long flags; | |
431 | int rc; | |
432 | ||
d11ba0c4 PT |
433 | QETH_DBF_TEXT(TRACE, 2, "sdiplist"); |
434 | QETH_DBF_HEX(TRACE, 2, &card, sizeof(void *)); | |
4a71df50 FB |
435 | |
436 | spin_lock_irqsave(&card->ip_lock, flags); | |
437 | tbd_list = card->ip_tbd_list; | |
438 | card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); | |
439 | if (!card->ip_tbd_list) { | |
d11ba0c4 | 440 | QETH_DBF_TEXT(TRACE, 0, "silnomem"); |
4a71df50 FB |
441 | card->ip_tbd_list = tbd_list; |
442 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
443 | return; | |
444 | } else | |
445 | INIT_LIST_HEAD(card->ip_tbd_list); | |
446 | ||
447 | while (!list_empty(tbd_list)) { | |
448 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); | |
449 | list_del(&todo->entry); | |
450 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC) { | |
451 | __qeth_l3_delete_all_mc(card, &flags); | |
452 | kfree(todo); | |
453 | continue; | |
454 | } | |
455 | rc = __qeth_l3_ref_ip_on_card(card, todo, &addr); | |
456 | if (rc == 0) { | |
457 | /* nothing to be done; only adjusted refcount */ | |
458 | kfree(todo); | |
459 | } else if (rc == 1) { | |
460 | /* new entry to be added to on-card list */ | |
461 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
462 | rc = qeth_l3_register_addr_entry(card, todo); | |
463 | spin_lock_irqsave(&card->ip_lock, flags); | |
464 | if (!rc) | |
465 | list_add_tail(&todo->entry, &card->ip_list); | |
466 | else | |
467 | kfree(todo); | |
468 | } else if (rc == -1) { | |
469 | /* on-card entry to be removed */ | |
470 | list_del_init(&addr->entry); | |
471 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
472 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
473 | spin_lock_irqsave(&card->ip_lock, flags); | |
2d921c32 | 474 | if (!rc || (rc == IPA_RC_PRIMARY_ALREADY_DEFINED)) |
4a71df50 FB |
475 | kfree(addr); |
476 | else | |
477 | list_add_tail(&addr->entry, &card->ip_list); | |
478 | kfree(todo); | |
479 | } | |
480 | } | |
481 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
482 | kfree(tbd_list); | |
483 | } | |
484 | ||
485 | static void qeth_l3_clear_ip_list(struct qeth_card *card, int clean, | |
486 | int recover) | |
487 | { | |
488 | struct qeth_ipaddr *addr, *tmp; | |
489 | unsigned long flags; | |
490 | ||
d11ba0c4 | 491 | QETH_DBF_TEXT(TRACE, 4, "clearip"); |
4a71df50 FB |
492 | spin_lock_irqsave(&card->ip_lock, flags); |
493 | /* clear todo list */ | |
494 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) { | |
495 | list_del(&addr->entry); | |
496 | kfree(addr); | |
497 | } | |
498 | ||
499 | while (!list_empty(&card->ip_list)) { | |
500 | addr = list_entry(card->ip_list.next, | |
501 | struct qeth_ipaddr, entry); | |
502 | list_del_init(&addr->entry); | |
503 | if (clean) { | |
504 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
505 | qeth_l3_deregister_addr_entry(card, addr); | |
506 | spin_lock_irqsave(&card->ip_lock, flags); | |
507 | } | |
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 | ||
d11ba0c4 | 549 | QETH_DBF_TEXT(TRACE, 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 | ||
d11ba0c4 PT |
587 | QETH_DBF_TEXT(TRACE, 4, "setdelip"); |
588 | QETH_DBF_TEXT_(TRACE, 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 | ||
d11ba0c4 | 617 | QETH_DBF_TEXT(TRACE, 4, "setroutg"); |
4a71df50 FB |
618 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); |
619 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
620 | cmd->data.setrtg.type = (type); | |
621 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
622 | ||
623 | return rc; | |
624 | } | |
625 | ||
626 | static void qeth_l3_correct_routing_type(struct qeth_card *card, | |
627 | enum qeth_routing_types *type, enum qeth_prot_versions prot) | |
628 | { | |
629 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
630 | switch (*type) { | |
631 | case NO_ROUTER: | |
632 | case PRIMARY_CONNECTOR: | |
633 | case SECONDARY_CONNECTOR: | |
634 | case MULTICAST_ROUTER: | |
635 | return; | |
636 | default: | |
637 | goto out_inval; | |
638 | } | |
639 | } else { | |
640 | switch (*type) { | |
641 | case NO_ROUTER: | |
642 | case PRIMARY_ROUTER: | |
643 | case SECONDARY_ROUTER: | |
644 | return; | |
645 | case MULTICAST_ROUTER: | |
646 | if (qeth_is_ipafunc_supported(card, prot, | |
647 | IPA_OSA_MC_ROUTER)) | |
648 | return; | |
649 | default: | |
650 | goto out_inval; | |
651 | } | |
652 | } | |
653 | out_inval: | |
654 | PRINT_WARN("Routing type '%s' not supported for interface %s.\n" | |
655 | "Router status set to 'no router'.\n", | |
656 | ((*type == PRIMARY_ROUTER)? "primary router" : | |
657 | (*type == SECONDARY_ROUTER)? "secondary router" : | |
658 | (*type == PRIMARY_CONNECTOR)? "primary connector" : | |
659 | (*type == SECONDARY_CONNECTOR)? "secondary connector" : | |
660 | (*type == MULTICAST_ROUTER)? "multicast router" : | |
661 | "unknown"), | |
662 | card->dev->name); | |
663 | *type = NO_ROUTER; | |
664 | } | |
665 | ||
666 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
667 | { | |
668 | int rc; | |
669 | ||
d11ba0c4 | 670 | QETH_DBF_TEXT(TRACE, 3, "setrtg4"); |
4a71df50 FB |
671 | |
672 | qeth_l3_correct_routing_type(card, &card->options.route4.type, | |
673 | QETH_PROT_IPV4); | |
674 | ||
675 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
676 | QETH_PROT_IPV4); | |
677 | if (rc) { | |
678 | card->options.route4.type = NO_ROUTER; | |
679 | PRINT_WARN("Error (0x%04x) while setting routing type on %s. " | |
680 | "Type set to 'no router'.\n", | |
681 | rc, QETH_CARD_IFNAME(card)); | |
682 | } | |
683 | return rc; | |
684 | } | |
685 | ||
686 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
687 | { | |
688 | int rc = 0; | |
689 | ||
d11ba0c4 | 690 | QETH_DBF_TEXT(TRACE, 3, "setrtg6"); |
4a71df50 FB |
691 | #ifdef CONFIG_QETH_IPV6 |
692 | ||
693 | if (!qeth_is_supported(card, IPA_IPV6)) | |
694 | return 0; | |
695 | qeth_l3_correct_routing_type(card, &card->options.route6.type, | |
696 | QETH_PROT_IPV6); | |
697 | ||
698 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
699 | QETH_PROT_IPV6); | |
700 | if (rc) { | |
701 | card->options.route6.type = NO_ROUTER; | |
702 | PRINT_WARN("Error (0x%04x) while setting routing type on %s. " | |
703 | "Type set to 'no router'.\n", | |
704 | rc, QETH_CARD_IFNAME(card)); | |
705 | } | |
706 | #endif | |
707 | return rc; | |
708 | } | |
709 | ||
710 | /* | |
711 | * IP address takeover related functions | |
712 | */ | |
713 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) | |
714 | { | |
715 | ||
716 | struct qeth_ipato_entry *ipatoe, *tmp; | |
717 | unsigned long flags; | |
718 | ||
719 | spin_lock_irqsave(&card->ip_lock, flags); | |
720 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
721 | list_del(&ipatoe->entry); | |
722 | kfree(ipatoe); | |
723 | } | |
724 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
725 | } | |
726 | ||
727 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
728 | struct qeth_ipato_entry *new) | |
729 | { | |
730 | struct qeth_ipato_entry *ipatoe; | |
731 | unsigned long flags; | |
732 | int rc = 0; | |
733 | ||
d11ba0c4 | 734 | QETH_DBF_TEXT(TRACE, 2, "addipato"); |
4a71df50 FB |
735 | spin_lock_irqsave(&card->ip_lock, flags); |
736 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
737 | if (ipatoe->proto != new->proto) | |
738 | continue; | |
739 | if (!memcmp(ipatoe->addr, new->addr, | |
740 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
741 | (ipatoe->mask_bits == new->mask_bits)) { | |
742 | PRINT_WARN("ipato entry already exists!\n"); | |
743 | rc = -EEXIST; | |
744 | break; | |
745 | } | |
746 | } | |
747 | if (!rc) | |
748 | list_add_tail(&new->entry, &card->ipato.entries); | |
749 | ||
750 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
751 | return rc; | |
752 | } | |
753 | ||
754 | void qeth_l3_del_ipato_entry(struct qeth_card *card, | |
755 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) | |
756 | { | |
757 | struct qeth_ipato_entry *ipatoe, *tmp; | |
758 | unsigned long flags; | |
759 | ||
d11ba0c4 | 760 | QETH_DBF_TEXT(TRACE, 2, "delipato"); |
4a71df50 FB |
761 | spin_lock_irqsave(&card->ip_lock, flags); |
762 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
763 | if (ipatoe->proto != proto) | |
764 | continue; | |
765 | if (!memcmp(ipatoe->addr, addr, | |
766 | (proto == QETH_PROT_IPV4)? 4:16) && | |
767 | (ipatoe->mask_bits == mask_bits)) { | |
768 | list_del(&ipatoe->entry); | |
769 | kfree(ipatoe); | |
770 | } | |
771 | } | |
772 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
773 | } | |
774 | ||
775 | /* | |
776 | * VIPA related functions | |
777 | */ | |
778 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
779 | const u8 *addr) | |
780 | { | |
781 | struct qeth_ipaddr *ipaddr; | |
782 | unsigned long flags; | |
783 | int rc = 0; | |
784 | ||
785 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
786 | if (ipaddr) { | |
787 | if (proto == QETH_PROT_IPV4) { | |
d11ba0c4 | 788 | QETH_DBF_TEXT(TRACE, 2, "addvipa4"); |
4a71df50 FB |
789 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
790 | ipaddr->u.a4.mask = 0; | |
791 | } else if (proto == QETH_PROT_IPV6) { | |
d11ba0c4 | 792 | QETH_DBF_TEXT(TRACE, 2, "addvipa6"); |
4a71df50 FB |
793 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
794 | ipaddr->u.a6.pfxlen = 0; | |
795 | } | |
796 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
797 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
798 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
799 | } else | |
800 | return -ENOMEM; | |
801 | spin_lock_irqsave(&card->ip_lock, flags); | |
802 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
803 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
804 | rc = -EEXIST; | |
805 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
806 | if (rc) { | |
807 | PRINT_WARN("Cannot add VIPA. Address already exists!\n"); | |
808 | return rc; | |
809 | } | |
810 | if (!qeth_l3_add_ip(card, ipaddr)) | |
811 | kfree(ipaddr); | |
812 | qeth_l3_set_ip_addr_list(card); | |
813 | return rc; | |
814 | } | |
815 | ||
816 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
817 | const u8 *addr) | |
818 | { | |
819 | struct qeth_ipaddr *ipaddr; | |
820 | ||
821 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
822 | if (ipaddr) { | |
823 | if (proto == QETH_PROT_IPV4) { | |
d11ba0c4 | 824 | QETH_DBF_TEXT(TRACE, 2, "delvipa4"); |
4a71df50 FB |
825 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
826 | ipaddr->u.a4.mask = 0; | |
827 | } else if (proto == QETH_PROT_IPV6) { | |
d11ba0c4 | 828 | QETH_DBF_TEXT(TRACE, 2, "delvipa6"); |
4a71df50 FB |
829 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
830 | ipaddr->u.a6.pfxlen = 0; | |
831 | } | |
832 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
833 | } else | |
834 | return; | |
835 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
836 | kfree(ipaddr); | |
837 | qeth_l3_set_ip_addr_list(card); | |
838 | } | |
839 | ||
840 | /* | |
841 | * proxy ARP related functions | |
842 | */ | |
843 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
844 | const u8 *addr) | |
845 | { | |
846 | struct qeth_ipaddr *ipaddr; | |
847 | unsigned long flags; | |
848 | int rc = 0; | |
849 | ||
850 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
851 | if (ipaddr) { | |
852 | if (proto == QETH_PROT_IPV4) { | |
d11ba0c4 | 853 | QETH_DBF_TEXT(TRACE, 2, "addrxip4"); |
4a71df50 FB |
854 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
855 | ipaddr->u.a4.mask = 0; | |
856 | } else if (proto == QETH_PROT_IPV6) { | |
d11ba0c4 | 857 | QETH_DBF_TEXT(TRACE, 2, "addrxip6"); |
4a71df50 FB |
858 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
859 | ipaddr->u.a6.pfxlen = 0; | |
860 | } | |
861 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
862 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
863 | ipaddr->del_flags = 0; | |
864 | } else | |
865 | return -ENOMEM; | |
866 | spin_lock_irqsave(&card->ip_lock, flags); | |
867 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
868 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
869 | rc = -EEXIST; | |
870 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
871 | if (rc) { | |
872 | PRINT_WARN("Cannot add RXIP. Address already exists!\n"); | |
873 | return rc; | |
874 | } | |
875 | if (!qeth_l3_add_ip(card, ipaddr)) | |
876 | kfree(ipaddr); | |
877 | qeth_l3_set_ip_addr_list(card); | |
878 | return 0; | |
879 | } | |
880 | ||
881 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
882 | const u8 *addr) | |
883 | { | |
884 | struct qeth_ipaddr *ipaddr; | |
885 | ||
886 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
887 | if (ipaddr) { | |
888 | if (proto == QETH_PROT_IPV4) { | |
d11ba0c4 | 889 | QETH_DBF_TEXT(TRACE, 2, "addrxip4"); |
4a71df50 FB |
890 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
891 | ipaddr->u.a4.mask = 0; | |
892 | } else if (proto == QETH_PROT_IPV6) { | |
d11ba0c4 | 893 | QETH_DBF_TEXT(TRACE, 2, "addrxip6"); |
4a71df50 FB |
894 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
895 | ipaddr->u.a6.pfxlen = 0; | |
896 | } | |
897 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
898 | } else | |
899 | return; | |
900 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
901 | kfree(ipaddr); | |
902 | qeth_l3_set_ip_addr_list(card); | |
903 | } | |
904 | ||
905 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
906 | struct qeth_ipaddr *addr) | |
907 | { | |
908 | char buf[50]; | |
909 | int rc = 0; | |
910 | int cnt = 3; | |
911 | ||
912 | if (addr->proto == QETH_PROT_IPV4) { | |
d11ba0c4 PT |
913 | QETH_DBF_TEXT(TRACE, 2, "setaddr4"); |
914 | QETH_DBF_HEX(TRACE, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 915 | } else if (addr->proto == QETH_PROT_IPV6) { |
d11ba0c4 PT |
916 | QETH_DBF_TEXT(TRACE, 2, "setaddr6"); |
917 | QETH_DBF_HEX(TRACE, 3, &addr->u.a6.addr, 8); | |
918 | QETH_DBF_HEX(TRACE, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 919 | } else { |
d11ba0c4 PT |
920 | QETH_DBF_TEXT(TRACE, 2, "setaddr?"); |
921 | QETH_DBF_HEX(TRACE, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
922 | } |
923 | do { | |
924 | if (addr->is_multicast) | |
925 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
926 | else | |
927 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, | |
928 | addr->set_flags); | |
929 | if (rc) | |
d11ba0c4 | 930 | QETH_DBF_TEXT(TRACE, 2, "failed"); |
4a71df50 FB |
931 | } while ((--cnt > 0) && rc); |
932 | if (rc) { | |
d11ba0c4 | 933 | QETH_DBF_TEXT(TRACE, 2, "FAILED"); |
4a71df50 FB |
934 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
935 | PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n", | |
936 | buf, rc, rc); | |
937 | } | |
938 | return rc; | |
939 | } | |
940 | ||
941 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
942 | struct qeth_ipaddr *addr) | |
943 | { | |
944 | int rc = 0; | |
945 | ||
946 | if (addr->proto == QETH_PROT_IPV4) { | |
d11ba0c4 PT |
947 | QETH_DBF_TEXT(TRACE, 2, "deladdr4"); |
948 | QETH_DBF_HEX(TRACE, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 949 | } else if (addr->proto == QETH_PROT_IPV6) { |
d11ba0c4 PT |
950 | QETH_DBF_TEXT(TRACE, 2, "deladdr6"); |
951 | QETH_DBF_HEX(TRACE, 3, &addr->u.a6.addr, 8); | |
952 | QETH_DBF_HEX(TRACE, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 953 | } else { |
d11ba0c4 PT |
954 | QETH_DBF_TEXT(TRACE, 2, "deladdr?"); |
955 | QETH_DBF_HEX(TRACE, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
956 | } |
957 | if (addr->is_multicast) | |
958 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
959 | else | |
960 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, | |
961 | addr->del_flags); | |
962 | if (rc) { | |
d11ba0c4 | 963 | QETH_DBF_TEXT(TRACE, 2, "failed"); |
4a71df50 FB |
964 | /* TODO: re-activate this warning as soon as we have a |
965 | * clean mirco code | |
966 | qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); | |
967 | PRINT_WARN("Could not deregister IP address %s (rc=%x)\n", | |
968 | buf, rc); | |
969 | */ | |
970 | } | |
971 | ||
972 | return rc; | |
973 | } | |
974 | ||
975 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) | |
976 | { | |
977 | if (cast_type == RTN_MULTICAST) | |
978 | return QETH_CAST_MULTICAST; | |
979 | if (cast_type == RTN_BROADCAST) | |
980 | return QETH_CAST_BROADCAST; | |
981 | return QETH_CAST_UNICAST; | |
982 | } | |
983 | ||
984 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) | |
985 | { | |
986 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
987 | if (cast_type == RTN_MULTICAST) | |
988 | return ct | QETH_CAST_MULTICAST; | |
989 | if (cast_type == RTN_ANYCAST) | |
990 | return ct | QETH_CAST_ANYCAST; | |
991 | if (cast_type == RTN_BROADCAST) | |
992 | return ct | QETH_CAST_BROADCAST; | |
993 | return ct | QETH_CAST_UNICAST; | |
994 | } | |
995 | ||
996 | static int qeth_l3_send_setadp_mode(struct qeth_card *card, __u32 command, | |
997 | __u32 mode) | |
998 | { | |
999 | int rc; | |
1000 | struct qeth_cmd_buffer *iob; | |
1001 | struct qeth_ipa_cmd *cmd; | |
1002 | ||
d11ba0c4 | 1003 | QETH_DBF_TEXT(TRACE, 4, "adpmode"); |
4a71df50 FB |
1004 | |
1005 | iob = qeth_get_adapter_cmd(card, command, | |
1006 | sizeof(struct qeth_ipacmd_setadpparms)); | |
1007 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1008 | cmd->data.setadapterparms.data.mode = mode; | |
1009 | rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, | |
1010 | NULL); | |
1011 | return rc; | |
1012 | } | |
1013 | ||
1014 | static int qeth_l3_setadapter_hstr(struct qeth_card *card) | |
1015 | { | |
1016 | int rc; | |
1017 | ||
d11ba0c4 | 1018 | QETH_DBF_TEXT(TRACE, 4, "adphstr"); |
4a71df50 FB |
1019 | |
1020 | if (qeth_adp_supported(card, IPA_SETADP_SET_BROADCAST_MODE)) { | |
1021 | rc = qeth_l3_send_setadp_mode(card, | |
1022 | IPA_SETADP_SET_BROADCAST_MODE, | |
1023 | card->options.broadcast_mode); | |
1024 | if (rc) | |
1025 | PRINT_WARN("couldn't set broadcast mode on " | |
1026 | "device %s: x%x\n", | |
1027 | CARD_BUS_ID(card), rc); | |
1028 | rc = qeth_l3_send_setadp_mode(card, | |
1029 | IPA_SETADP_ALTER_MAC_ADDRESS, | |
1030 | card->options.macaddr_mode); | |
1031 | if (rc) | |
1032 | PRINT_WARN("couldn't set macaddr mode on " | |
1033 | "device %s: x%x\n", CARD_BUS_ID(card), rc); | |
1034 | return rc; | |
1035 | } | |
1036 | if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) | |
1037 | PRINT_WARN("set adapter parameters not available " | |
1038 | "to set broadcast mode, using ALLRINGS " | |
1039 | "on device %s:\n", CARD_BUS_ID(card)); | |
1040 | if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) | |
1041 | PRINT_WARN("set adapter parameters not available " | |
1042 | "to set macaddr mode, using NONCANONICAL " | |
1043 | "on device %s:\n", CARD_BUS_ID(card)); | |
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | static int qeth_l3_setadapter_parms(struct qeth_card *card) | |
1048 | { | |
1049 | int rc; | |
1050 | ||
d11ba0c4 | 1051 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
4a71df50 FB |
1052 | |
1053 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { | |
1054 | PRINT_WARN("set adapter parameters not supported " | |
1055 | "on device %s.\n", | |
1056 | CARD_BUS_ID(card)); | |
d11ba0c4 | 1057 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
4a71df50 FB |
1058 | return 0; |
1059 | } | |
1060 | rc = qeth_query_setadapterparms(card); | |
1061 | if (rc) { | |
1062 | PRINT_WARN("couldn't set adapter parameters on device %s: " | |
1063 | "x%x\n", CARD_BUS_ID(card), rc); | |
1064 | return rc; | |
1065 | } | |
1066 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
1067 | rc = qeth_setadpparms_change_macaddr(card); | |
1068 | if (rc) | |
1069 | PRINT_WARN("couldn't get MAC address on " | |
1070 | "device %s: x%x\n", | |
1071 | CARD_BUS_ID(card), rc); | |
1072 | } | |
1073 | ||
1074 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || | |
1075 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) | |
1076 | rc = qeth_l3_setadapter_hstr(card); | |
1077 | ||
1078 | return rc; | |
1079 | } | |
1080 | ||
1081 | static int qeth_l3_default_setassparms_cb(struct qeth_card *card, | |
1082 | struct qeth_reply *reply, unsigned long data) | |
1083 | { | |
1084 | struct qeth_ipa_cmd *cmd; | |
1085 | ||
d11ba0c4 | 1086 | QETH_DBF_TEXT(TRACE, 4, "defadpcb"); |
4a71df50 FB |
1087 | |
1088 | cmd = (struct qeth_ipa_cmd *) data; | |
1089 | if (cmd->hdr.return_code == 0) { | |
1090 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
1091 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
1092 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1093 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
1094 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1095 | } | |
1096 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
1097 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1098 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
d11ba0c4 | 1099 | QETH_DBF_TEXT_(TRACE, 3, "csum:%d", card->info.csum_mask); |
4a71df50 FB |
1100 | } |
1101 | return 0; | |
1102 | } | |
1103 | ||
1104 | static struct qeth_cmd_buffer *qeth_l3_get_setassparms_cmd( | |
1105 | struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, | |
1106 | __u16 len, enum qeth_prot_versions prot) | |
1107 | { | |
1108 | struct qeth_cmd_buffer *iob; | |
1109 | struct qeth_ipa_cmd *cmd; | |
1110 | ||
d11ba0c4 | 1111 | QETH_DBF_TEXT(TRACE, 4, "getasscm"); |
4a71df50 FB |
1112 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETASSPARMS, prot); |
1113 | ||
1114 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1115 | cmd->data.setassparms.hdr.assist_no = ipa_func; | |
1116 | cmd->data.setassparms.hdr.length = 8 + len; | |
1117 | cmd->data.setassparms.hdr.command_code = cmd_code; | |
1118 | cmd->data.setassparms.hdr.return_code = 0; | |
1119 | cmd->data.setassparms.hdr.seq_no = 0; | |
1120 | ||
1121 | return iob; | |
1122 | } | |
1123 | ||
1124 | static int qeth_l3_send_setassparms(struct qeth_card *card, | |
1125 | struct qeth_cmd_buffer *iob, __u16 len, long data, | |
1126 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
1127 | unsigned long), | |
1128 | void *reply_param) | |
1129 | { | |
1130 | int rc; | |
1131 | struct qeth_ipa_cmd *cmd; | |
1132 | ||
d11ba0c4 | 1133 | QETH_DBF_TEXT(TRACE, 4, "sendassp"); |
4a71df50 FB |
1134 | |
1135 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1136 | if (len <= sizeof(__u32)) | |
1137 | cmd->data.setassparms.data.flags_32bit = (__u32) data; | |
1138 | else /* (len > sizeof(__u32)) */ | |
1139 | memcpy(&cmd->data.setassparms.data, (void *) data, len); | |
1140 | ||
1141 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); | |
1142 | return rc; | |
1143 | } | |
1144 | ||
1145 | #ifdef CONFIG_QETH_IPV6 | |
1146 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, | |
1147 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
1148 | { | |
1149 | int rc; | |
1150 | struct qeth_cmd_buffer *iob; | |
1151 | ||
d11ba0c4 | 1152 | QETH_DBF_TEXT(TRACE, 4, "simassp6"); |
4a71df50 FB |
1153 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, |
1154 | 0, QETH_PROT_IPV6); | |
1155 | rc = qeth_l3_send_setassparms(card, iob, 0, 0, | |
1156 | qeth_l3_default_setassparms_cb, NULL); | |
1157 | return rc; | |
1158 | } | |
1159 | #endif | |
1160 | ||
1161 | static int qeth_l3_send_simple_setassparms(struct qeth_card *card, | |
1162 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code, long data) | |
1163 | { | |
1164 | int rc; | |
1165 | int length = 0; | |
1166 | struct qeth_cmd_buffer *iob; | |
1167 | ||
d11ba0c4 | 1168 | QETH_DBF_TEXT(TRACE, 4, "simassp4"); |
4a71df50 FB |
1169 | if (data) |
1170 | length = sizeof(__u32); | |
1171 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, | |
1172 | length, QETH_PROT_IPV4); | |
1173 | rc = qeth_l3_send_setassparms(card, iob, length, data, | |
1174 | qeth_l3_default_setassparms_cb, NULL); | |
1175 | return rc; | |
1176 | } | |
1177 | ||
1178 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) | |
1179 | { | |
1180 | int rc; | |
1181 | ||
d11ba0c4 | 1182 | QETH_DBF_TEXT(TRACE, 3, "ipaarp"); |
4a71df50 FB |
1183 | |
1184 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
1185 | PRINT_WARN("ARP processing not supported " | |
1186 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
1187 | return 0; | |
1188 | } | |
1189 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
1190 | IPA_CMD_ASS_START, 0); | |
1191 | if (rc) { | |
1192 | PRINT_WARN("Could not start ARP processing " | |
1193 | "assist on %s: 0x%x\n", | |
1194 | QETH_CARD_IFNAME(card), rc); | |
1195 | } | |
1196 | return rc; | |
1197 | } | |
1198 | ||
1199 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) | |
1200 | { | |
1201 | int rc; | |
1202 | ||
d11ba0c4 | 1203 | QETH_DBF_TEXT(TRACE, 3, "ipaipfrg"); |
4a71df50 FB |
1204 | |
1205 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
1206 | PRINT_INFO("Hardware IP fragmentation not supported on %s\n", | |
1207 | QETH_CARD_IFNAME(card)); | |
1208 | return -EOPNOTSUPP; | |
1209 | } | |
1210 | ||
1211 | rc = qeth_l3_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, | |
1212 | IPA_CMD_ASS_START, 0); | |
1213 | if (rc) { | |
1214 | PRINT_WARN("Could not start Hardware IP fragmentation " | |
1215 | "assist on %s: 0x%x\n", | |
1216 | QETH_CARD_IFNAME(card), rc); | |
1217 | } else | |
1218 | PRINT_INFO("Hardware IP fragmentation enabled \n"); | |
1219 | return rc; | |
1220 | } | |
1221 | ||
1222 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) | |
1223 | { | |
1224 | int rc; | |
1225 | ||
d11ba0c4 | 1226 | QETH_DBF_TEXT(TRACE, 3, "stsrcmac"); |
4a71df50 FB |
1227 | |
1228 | if (!card->options.fake_ll) | |
1229 | return -EOPNOTSUPP; | |
1230 | ||
1231 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { | |
1232 | PRINT_INFO("Inbound source address not " | |
1233 | "supported on %s\n", QETH_CARD_IFNAME(card)); | |
1234 | return -EOPNOTSUPP; | |
1235 | } | |
1236 | ||
1237 | rc = qeth_l3_send_simple_setassparms(card, IPA_SOURCE_MAC, | |
1238 | IPA_CMD_ASS_START, 0); | |
1239 | if (rc) | |
1240 | PRINT_WARN("Could not start inbound source " | |
1241 | "assist on %s: 0x%x\n", | |
1242 | QETH_CARD_IFNAME(card), rc); | |
1243 | return rc; | |
1244 | } | |
1245 | ||
1246 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
1247 | { | |
1248 | int rc = 0; | |
1249 | ||
d11ba0c4 | 1250 | QETH_DBF_TEXT(TRACE, 3, "strtvlan"); |
4a71df50 FB |
1251 | |
1252 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
1253 | PRINT_WARN("VLAN not supported on %s\n", | |
1254 | QETH_CARD_IFNAME(card)); | |
1255 | return -EOPNOTSUPP; | |
1256 | } | |
1257 | ||
1258 | rc = qeth_l3_send_simple_setassparms(card, IPA_VLAN_PRIO, | |
1259 | IPA_CMD_ASS_START, 0); | |
1260 | if (rc) { | |
1261 | PRINT_WARN("Could not start vlan " | |
1262 | "assist on %s: 0x%x\n", | |
1263 | QETH_CARD_IFNAME(card), rc); | |
1264 | } else { | |
1265 | PRINT_INFO("VLAN enabled \n"); | |
1266 | } | |
1267 | return rc; | |
1268 | } | |
1269 | ||
1270 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
1271 | { | |
1272 | int rc; | |
1273 | ||
d11ba0c4 | 1274 | QETH_DBF_TEXT(TRACE, 3, "stmcast"); |
4a71df50 FB |
1275 | |
1276 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
1277 | PRINT_WARN("Multicast not supported on %s\n", | |
1278 | QETH_CARD_IFNAME(card)); | |
1279 | return -EOPNOTSUPP; | |
1280 | } | |
1281 | ||
1282 | rc = qeth_l3_send_simple_setassparms(card, IPA_MULTICASTING, | |
1283 | IPA_CMD_ASS_START, 0); | |
1284 | if (rc) { | |
1285 | PRINT_WARN("Could not start multicast " | |
1286 | "assist on %s: rc=%i\n", | |
1287 | QETH_CARD_IFNAME(card), rc); | |
1288 | } else { | |
1289 | PRINT_INFO("Multicast enabled\n"); | |
1290 | card->dev->flags |= IFF_MULTICAST; | |
1291 | } | |
1292 | return rc; | |
1293 | } | |
1294 | ||
1295 | static int qeth_l3_query_ipassists_cb(struct qeth_card *card, | |
1296 | struct qeth_reply *reply, unsigned long data) | |
1297 | { | |
1298 | struct qeth_ipa_cmd *cmd; | |
1299 | ||
d11ba0c4 | 1300 | QETH_DBF_TEXT(SETUP, 2, "qipasscb"); |
4a71df50 FB |
1301 | |
1302 | cmd = (struct qeth_ipa_cmd *) data; | |
1303 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) { | |
1304 | card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; | |
1305 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1306 | } else { | |
1307 | card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; | |
1308 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1309 | } | |
d11ba0c4 PT |
1310 | QETH_DBF_TEXT(SETUP, 2, "suppenbl"); |
1311 | QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_supported); | |
1312 | QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_enabled); | |
4a71df50 FB |
1313 | return 0; |
1314 | } | |
1315 | ||
1316 | static int qeth_l3_query_ipassists(struct qeth_card *card, | |
1317 | enum qeth_prot_versions prot) | |
1318 | { | |
1319 | int rc; | |
1320 | struct qeth_cmd_buffer *iob; | |
1321 | ||
d11ba0c4 | 1322 | QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot); |
4a71df50 FB |
1323 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot); |
1324 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_query_ipassists_cb, NULL); | |
1325 | return rc; | |
1326 | } | |
1327 | ||
1328 | #ifdef CONFIG_QETH_IPV6 | |
1329 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) | |
1330 | { | |
1331 | int rc; | |
1332 | ||
d11ba0c4 | 1333 | QETH_DBF_TEXT(TRACE, 3, "softipv6"); |
4a71df50 FB |
1334 | |
1335 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1336 | goto out; | |
1337 | ||
1338 | rc = qeth_l3_query_ipassists(card, QETH_PROT_IPV6); | |
1339 | if (rc) { | |
1340 | PRINT_ERR("IPv6 query ipassist failed on %s\n", | |
1341 | QETH_CARD_IFNAME(card)); | |
1342 | return rc; | |
1343 | } | |
1344 | rc = qeth_l3_send_simple_setassparms(card, IPA_IPV6, | |
1345 | IPA_CMD_ASS_START, 3); | |
1346 | if (rc) { | |
1347 | PRINT_WARN("IPv6 start assist (version 4) failed " | |
1348 | "on %s: 0x%x\n", | |
1349 | QETH_CARD_IFNAME(card), rc); | |
1350 | return rc; | |
1351 | } | |
1352 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
1353 | IPA_CMD_ASS_START); | |
1354 | if (rc) { | |
1355 | PRINT_WARN("IPV6 start assist (version 6) failed " | |
1356 | "on %s: 0x%x\n", | |
1357 | QETH_CARD_IFNAME(card), rc); | |
1358 | return rc; | |
1359 | } | |
1360 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
1361 | IPA_CMD_ASS_START); | |
1362 | if (rc) { | |
1363 | PRINT_WARN("Could not enable passthrough " | |
1364 | "on %s: 0x%x\n", | |
1365 | QETH_CARD_IFNAME(card), rc); | |
1366 | return rc; | |
1367 | } | |
1368 | out: | |
1369 | PRINT_INFO("IPV6 enabled \n"); | |
1370 | return 0; | |
1371 | } | |
1372 | #endif | |
1373 | ||
1374 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
1375 | { | |
1376 | int rc = 0; | |
1377 | ||
d11ba0c4 | 1378 | QETH_DBF_TEXT(TRACE, 3, "strtipv6"); |
4a71df50 FB |
1379 | |
1380 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1381 | PRINT_WARN("IPv6 not supported on %s\n", | |
1382 | QETH_CARD_IFNAME(card)); | |
1383 | return 0; | |
1384 | } | |
1385 | #ifdef CONFIG_QETH_IPV6 | |
1386 | rc = qeth_l3_softsetup_ipv6(card); | |
1387 | #endif | |
1388 | return rc ; | |
1389 | } | |
1390 | ||
1391 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
1392 | { | |
1393 | int rc; | |
1394 | ||
d11ba0c4 | 1395 | QETH_DBF_TEXT(TRACE, 3, "stbrdcst"); |
4a71df50 FB |
1396 | card->info.broadcast_capable = 0; |
1397 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
1398 | PRINT_WARN("Broadcast not supported on %s\n", | |
1399 | QETH_CARD_IFNAME(card)); | |
1400 | rc = -EOPNOTSUPP; | |
1401 | goto out; | |
1402 | } | |
1403 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1404 | IPA_CMD_ASS_START, 0); | |
1405 | if (rc) { | |
1406 | PRINT_WARN("Could not enable broadcasting filtering " | |
1407 | "on %s: 0x%x\n", | |
1408 | QETH_CARD_IFNAME(card), rc); | |
1409 | goto out; | |
1410 | } | |
1411 | ||
1412 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1413 | IPA_CMD_ASS_CONFIGURE, 1); | |
1414 | if (rc) { | |
1415 | PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n", | |
1416 | QETH_CARD_IFNAME(card), rc); | |
1417 | goto out; | |
1418 | } | |
1419 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
1420 | PRINT_INFO("Broadcast enabled \n"); | |
1421 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1422 | IPA_CMD_ASS_ENABLE, 1); | |
1423 | if (rc) { | |
1424 | PRINT_WARN("Could not set up broadcast echo filtering on " | |
1425 | "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc); | |
1426 | goto out; | |
1427 | } | |
1428 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
1429 | out: | |
1430 | if (card->info.broadcast_capable) | |
1431 | card->dev->flags |= IFF_BROADCAST; | |
1432 | else | |
1433 | card->dev->flags &= ~IFF_BROADCAST; | |
1434 | return rc; | |
1435 | } | |
1436 | ||
1437 | static int qeth_l3_send_checksum_command(struct qeth_card *card) | |
1438 | { | |
1439 | int rc; | |
1440 | ||
1441 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1442 | IPA_CMD_ASS_START, 0); | |
1443 | if (rc) { | |
1444 | PRINT_WARN("Starting Inbound HW Checksumming failed on %s: " | |
1445 | "0x%x,\ncontinuing using Inbound SW Checksumming\n", | |
1446 | QETH_CARD_IFNAME(card), rc); | |
1447 | return rc; | |
1448 | } | |
1449 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1450 | IPA_CMD_ASS_ENABLE, | |
1451 | card->info.csum_mask); | |
1452 | if (rc) { | |
1453 | PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: " | |
1454 | "0x%x,\ncontinuing using Inbound SW Checksumming\n", | |
1455 | QETH_CARD_IFNAME(card), rc); | |
1456 | return rc; | |
1457 | } | |
1458 | return 0; | |
1459 | } | |
1460 | ||
1461 | static int qeth_l3_start_ipa_checksum(struct qeth_card *card) | |
1462 | { | |
1463 | int rc = 0; | |
1464 | ||
d11ba0c4 | 1465 | QETH_DBF_TEXT(TRACE, 3, "strtcsum"); |
4a71df50 FB |
1466 | |
1467 | if (card->options.checksum_type == NO_CHECKSUMMING) { | |
1468 | PRINT_WARN("Using no checksumming on %s.\n", | |
1469 | QETH_CARD_IFNAME(card)); | |
1470 | return 0; | |
1471 | } | |
1472 | if (card->options.checksum_type == SW_CHECKSUMMING) { | |
1473 | PRINT_WARN("Using SW checksumming on %s.\n", | |
1474 | QETH_CARD_IFNAME(card)); | |
1475 | return 0; | |
1476 | } | |
1477 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { | |
1478 | PRINT_WARN("Inbound HW Checksumming not " | |
1479 | "supported on %s,\ncontinuing " | |
1480 | "using Inbound SW Checksumming\n", | |
1481 | QETH_CARD_IFNAME(card)); | |
1482 | card->options.checksum_type = SW_CHECKSUMMING; | |
1483 | return 0; | |
1484 | } | |
1485 | rc = qeth_l3_send_checksum_command(card); | |
1486 | if (!rc) | |
1487 | PRINT_INFO("HW Checksumming (inbound) enabled \n"); | |
1488 | ||
1489 | return rc; | |
1490 | } | |
1491 | ||
1492 | static int qeth_l3_start_ipa_tso(struct qeth_card *card) | |
1493 | { | |
1494 | int rc; | |
1495 | ||
d11ba0c4 | 1496 | QETH_DBF_TEXT(TRACE, 3, "sttso"); |
4a71df50 FB |
1497 | |
1498 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
1499 | PRINT_WARN("Outbound TSO not supported on %s\n", | |
1500 | QETH_CARD_IFNAME(card)); | |
1501 | rc = -EOPNOTSUPP; | |
1502 | } else { | |
1503 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_TSO, | |
1504 | IPA_CMD_ASS_START, 0); | |
1505 | if (rc) | |
1506 | PRINT_WARN("Could not start outbound TSO " | |
1507 | "assist on %s: rc=%i\n", | |
1508 | QETH_CARD_IFNAME(card), rc); | |
1509 | else | |
1510 | PRINT_INFO("Outbound TSO enabled\n"); | |
1511 | } | |
1512 | if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)) { | |
1513 | card->options.large_send = QETH_LARGE_SEND_NO; | |
1514 | card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); | |
1515 | } | |
1516 | return rc; | |
1517 | } | |
1518 | ||
1519 | static int qeth_l3_start_ipassists(struct qeth_card *card) | |
1520 | { | |
d11ba0c4 | 1521 | QETH_DBF_TEXT(TRACE, 3, "strtipas"); |
4a71df50 FB |
1522 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
1523 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ | |
1524 | qeth_l3_start_ipa_source_mac(card); /* go on*/ | |
1525 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
1526 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
1527 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
1528 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
1529 | qeth_l3_start_ipa_checksum(card); /* go on*/ | |
1530 | qeth_l3_start_ipa_tso(card); /* go on*/ | |
1531 | return 0; | |
1532 | } | |
1533 | ||
1534 | static int qeth_l3_put_unique_id(struct qeth_card *card) | |
1535 | { | |
1536 | ||
1537 | int rc = 0; | |
1538 | struct qeth_cmd_buffer *iob; | |
1539 | struct qeth_ipa_cmd *cmd; | |
1540 | ||
d11ba0c4 | 1541 | QETH_DBF_TEXT(TRACE, 2, "puniqeid"); |
4a71df50 FB |
1542 | |
1543 | if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) == | |
1544 | UNIQUE_ID_NOT_BY_CARD) | |
1545 | return -1; | |
1546 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR, | |
1547 | QETH_PROT_IPV6); | |
1548 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1549 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1550 | card->info.unique_id; | |
1551 | memcpy(&cmd->data.create_destroy_addr.unique_id[0], | |
1552 | card->dev->dev_addr, OSA_ADDR_LEN); | |
1553 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
1554 | return rc; | |
1555 | } | |
1556 | ||
1557 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, | |
1558 | struct qeth_reply *reply, unsigned long data) | |
1559 | { | |
1560 | struct qeth_ipa_cmd *cmd; | |
1561 | ||
1562 | cmd = (struct qeth_ipa_cmd *) data; | |
1563 | if (cmd->hdr.return_code == 0) | |
1564 | memcpy(card->dev->dev_addr, | |
1565 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); | |
1566 | else | |
1567 | random_ether_addr(card->dev->dev_addr); | |
1568 | ||
1569 | return 0; | |
1570 | } | |
1571 | ||
1572 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
1573 | { | |
1574 | int rc = 0; | |
1575 | struct qeth_cmd_buffer *iob; | |
1576 | struct qeth_ipa_cmd *cmd; | |
1577 | ||
d11ba0c4 | 1578 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
4a71df50 FB |
1579 | |
1580 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1581 | QETH_PROT_IPV6); | |
1582 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1583 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1584 | card->info.unique_id; | |
1585 | ||
1586 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
1587 | NULL); | |
1588 | return rc; | |
1589 | } | |
1590 | ||
1591 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
1592 | struct qeth_reply *reply, unsigned long data) | |
1593 | { | |
1594 | struct qeth_ipa_cmd *cmd; | |
1595 | ||
1596 | cmd = (struct qeth_ipa_cmd *) data; | |
1597 | if (cmd->hdr.return_code == 0) | |
1598 | card->info.unique_id = *((__u16 *) | |
1599 | &cmd->data.create_destroy_addr.unique_id[6]); | |
1600 | else { | |
1601 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1602 | UNIQUE_ID_NOT_BY_CARD; | |
1603 | PRINT_WARN("couldn't get a unique id from the card on device " | |
1604 | "%s (result=x%x), using default id. ipv6 " | |
1605 | "autoconfig on other lpars may lead to duplicate " | |
1606 | "ip addresses. please use manually " | |
1607 | "configured ones.\n", | |
1608 | CARD_BUS_ID(card), cmd->hdr.return_code); | |
1609 | } | |
1610 | return 0; | |
1611 | } | |
1612 | ||
1613 | static int qeth_l3_get_unique_id(struct qeth_card *card) | |
1614 | { | |
1615 | int rc = 0; | |
1616 | struct qeth_cmd_buffer *iob; | |
1617 | struct qeth_ipa_cmd *cmd; | |
1618 | ||
d11ba0c4 | 1619 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
4a71df50 FB |
1620 | |
1621 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1622 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1623 | UNIQUE_ID_NOT_BY_CARD; | |
1624 | return 0; | |
1625 | } | |
1626 | ||
1627 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1628 | QETH_PROT_IPV6); | |
1629 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1630 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1631 | card->info.unique_id; | |
1632 | ||
1633 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); | |
1634 | return rc; | |
1635 | } | |
1636 | ||
1637 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, | |
1638 | struct net_device *dev) | |
1639 | { | |
1640 | if (dev->type == ARPHRD_IEEE802_TR) | |
1641 | ip_tr_mc_map(ipm, mac); | |
1642 | else | |
1643 | ip_eth_mc_map(ipm, mac); | |
1644 | } | |
1645 | ||
1646 | static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
1647 | { | |
1648 | struct qeth_ipaddr *ipm; | |
1649 | struct ip_mc_list *im4; | |
1650 | char buf[MAX_ADDR_LEN]; | |
1651 | ||
d11ba0c4 | 1652 | QETH_DBF_TEXT(TRACE, 4, "addmc"); |
4a71df50 FB |
1653 | for (im4 = in4_dev->mc_list; im4; im4 = im4->next) { |
1654 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); | |
1655 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1656 | if (!ipm) | |
1657 | continue; | |
1658 | ipm->u.a4.addr = im4->multiaddr; | |
1659 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1660 | ipm->is_multicast = 1; | |
1661 | if (!qeth_l3_add_ip(card, ipm)) | |
1662 | kfree(ipm); | |
1663 | } | |
1664 | } | |
1665 | ||
1666 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) | |
1667 | { | |
1668 | struct in_device *in_dev; | |
1669 | struct vlan_group *vg; | |
1670 | int i; | |
1671 | ||
d11ba0c4 | 1672 | QETH_DBF_TEXT(TRACE, 4, "addmcvl"); |
4a71df50 FB |
1673 | if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL)) |
1674 | return; | |
1675 | ||
1676 | vg = card->vlangrp; | |
1677 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
1678 | struct net_device *netdev = vlan_group_get_device(vg, i); | |
1679 | if (netdev == NULL || | |
1680 | !(netdev->flags & IFF_UP)) | |
1681 | continue; | |
1682 | in_dev = in_dev_get(netdev); | |
1683 | if (!in_dev) | |
1684 | continue; | |
1685 | read_lock(&in_dev->mc_list_lock); | |
1686 | qeth_l3_add_mc(card, in_dev); | |
1687 | read_unlock(&in_dev->mc_list_lock); | |
1688 | in_dev_put(in_dev); | |
1689 | } | |
1690 | } | |
1691 | ||
1692 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) | |
1693 | { | |
1694 | struct in_device *in4_dev; | |
1695 | ||
d11ba0c4 | 1696 | QETH_DBF_TEXT(TRACE, 4, "chkmcv4"); |
4a71df50 FB |
1697 | in4_dev = in_dev_get(card->dev); |
1698 | if (in4_dev == NULL) | |
1699 | return; | |
1700 | read_lock(&in4_dev->mc_list_lock); | |
1701 | qeth_l3_add_mc(card, in4_dev); | |
1702 | qeth_l3_add_vlan_mc(card); | |
1703 | read_unlock(&in4_dev->mc_list_lock); | |
1704 | in_dev_put(in4_dev); | |
1705 | } | |
1706 | ||
1707 | #ifdef CONFIG_QETH_IPV6 | |
1708 | static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
1709 | { | |
1710 | struct qeth_ipaddr *ipm; | |
1711 | struct ifmcaddr6 *im6; | |
1712 | char buf[MAX_ADDR_LEN]; | |
1713 | ||
d11ba0c4 | 1714 | QETH_DBF_TEXT(TRACE, 4, "addmc6"); |
4a71df50 FB |
1715 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
1716 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
1717 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1718 | if (!ipm) | |
1719 | continue; | |
1720 | ipm->is_multicast = 1; | |
1721 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1722 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, | |
1723 | sizeof(struct in6_addr)); | |
1724 | if (!qeth_l3_add_ip(card, ipm)) | |
1725 | kfree(ipm); | |
1726 | } | |
1727 | } | |
1728 | ||
1729 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) | |
1730 | { | |
1731 | struct inet6_dev *in_dev; | |
1732 | struct vlan_group *vg; | |
1733 | int i; | |
1734 | ||
d11ba0c4 | 1735 | QETH_DBF_TEXT(TRACE, 4, "admc6vl"); |
4a71df50 FB |
1736 | if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL)) |
1737 | return; | |
1738 | ||
1739 | vg = card->vlangrp; | |
1740 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
1741 | struct net_device *netdev = vlan_group_get_device(vg, i); | |
1742 | if (netdev == NULL || | |
1743 | !(netdev->flags & IFF_UP)) | |
1744 | continue; | |
1745 | in_dev = in6_dev_get(netdev); | |
1746 | if (!in_dev) | |
1747 | continue; | |
1748 | read_lock_bh(&in_dev->lock); | |
1749 | qeth_l3_add_mc6(card, in_dev); | |
1750 | read_unlock_bh(&in_dev->lock); | |
1751 | in6_dev_put(in_dev); | |
1752 | } | |
1753 | } | |
1754 | ||
1755 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) | |
1756 | { | |
1757 | struct inet6_dev *in6_dev; | |
1758 | ||
d11ba0c4 | 1759 | QETH_DBF_TEXT(TRACE, 4, "chkmcv6"); |
4a71df50 FB |
1760 | if (!qeth_is_supported(card, IPA_IPV6)) |
1761 | return ; | |
1762 | in6_dev = in6_dev_get(card->dev); | |
1763 | if (in6_dev == NULL) | |
1764 | return; | |
1765 | read_lock_bh(&in6_dev->lock); | |
1766 | qeth_l3_add_mc6(card, in6_dev); | |
1767 | qeth_l3_add_vlan_mc6(card); | |
1768 | read_unlock_bh(&in6_dev->lock); | |
1769 | in6_dev_put(in6_dev); | |
1770 | } | |
1771 | #endif /* CONFIG_QETH_IPV6 */ | |
1772 | ||
1773 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, | |
1774 | unsigned short vid) | |
1775 | { | |
1776 | struct in_device *in_dev; | |
1777 | struct in_ifaddr *ifa; | |
1778 | struct qeth_ipaddr *addr; | |
1779 | ||
d11ba0c4 | 1780 | QETH_DBF_TEXT(TRACE, 4, "frvaddr4"); |
4a71df50 FB |
1781 | |
1782 | in_dev = in_dev_get(vlan_group_get_device(card->vlangrp, vid)); | |
1783 | if (!in_dev) | |
1784 | return; | |
1785 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
1786 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1787 | if (addr) { | |
1788 | addr->u.a4.addr = ifa->ifa_address; | |
1789 | addr->u.a4.mask = ifa->ifa_mask; | |
1790 | addr->type = QETH_IP_TYPE_NORMAL; | |
1791 | if (!qeth_l3_delete_ip(card, addr)) | |
1792 | kfree(addr); | |
1793 | } | |
1794 | } | |
1795 | in_dev_put(in_dev); | |
1796 | } | |
1797 | ||
1798 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, | |
1799 | unsigned short vid) | |
1800 | { | |
1801 | #ifdef CONFIG_QETH_IPV6 | |
1802 | struct inet6_dev *in6_dev; | |
1803 | struct inet6_ifaddr *ifa; | |
1804 | struct qeth_ipaddr *addr; | |
1805 | ||
d11ba0c4 | 1806 | QETH_DBF_TEXT(TRACE, 4, "frvaddr6"); |
4a71df50 FB |
1807 | |
1808 | in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid)); | |
1809 | if (!in6_dev) | |
1810 | return; | |
1811 | for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next) { | |
1812 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1813 | if (addr) { | |
1814 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
1815 | sizeof(struct in6_addr)); | |
1816 | addr->u.a6.pfxlen = ifa->prefix_len; | |
1817 | addr->type = QETH_IP_TYPE_NORMAL; | |
1818 | if (!qeth_l3_delete_ip(card, addr)) | |
1819 | kfree(addr); | |
1820 | } | |
1821 | } | |
1822 | in6_dev_put(in6_dev); | |
1823 | #endif /* CONFIG_QETH_IPV6 */ | |
1824 | } | |
1825 | ||
1826 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, | |
1827 | unsigned short vid) | |
1828 | { | |
1829 | if (!card->vlangrp) | |
1830 | return; | |
1831 | qeth_l3_free_vlan_addresses4(card, vid); | |
1832 | qeth_l3_free_vlan_addresses6(card, vid); | |
1833 | } | |
1834 | ||
1835 | static void qeth_l3_vlan_rx_register(struct net_device *dev, | |
1836 | struct vlan_group *grp) | |
1837 | { | |
1838 | struct qeth_card *card = netdev_priv(dev); | |
1839 | unsigned long flags; | |
1840 | ||
d11ba0c4 | 1841 | QETH_DBF_TEXT(TRACE, 4, "vlanreg"); |
4a71df50 FB |
1842 | spin_lock_irqsave(&card->vlanlock, flags); |
1843 | card->vlangrp = grp; | |
1844 | spin_unlock_irqrestore(&card->vlanlock, flags); | |
1845 | } | |
1846 | ||
1847 | static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) | |
1848 | { | |
1849 | struct net_device *vlandev; | |
1850 | struct qeth_card *card = (struct qeth_card *) dev->priv; | |
1851 | struct in_device *in_dev; | |
1852 | ||
1853 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1854 | return; | |
1855 | ||
1856 | vlandev = vlan_group_get_device(card->vlangrp, vid); | |
1857 | vlandev->neigh_setup = qeth_l3_neigh_setup; | |
1858 | ||
1859 | in_dev = in_dev_get(vlandev); | |
1860 | #ifdef CONFIG_SYSCTL | |
1861 | neigh_sysctl_unregister(in_dev->arp_parms); | |
1862 | #endif | |
1863 | neigh_parms_release(&arp_tbl, in_dev->arp_parms); | |
1864 | ||
1865 | in_dev->arp_parms = neigh_parms_alloc(vlandev, &arp_tbl); | |
1866 | #ifdef CONFIG_SYSCTL | |
1867 | neigh_sysctl_register(vlandev, in_dev->arp_parms, NET_IPV4, | |
1868 | NET_IPV4_NEIGH, "ipv4", NULL, NULL); | |
1869 | #endif | |
1870 | in_dev_put(in_dev); | |
1871 | return; | |
1872 | } | |
1873 | ||
1874 | static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) | |
1875 | { | |
1876 | struct qeth_card *card = netdev_priv(dev); | |
1877 | unsigned long flags; | |
1878 | ||
d11ba0c4 | 1879 | QETH_DBF_TEXT_(TRACE, 4, "kid:%d", vid); |
4a71df50 FB |
1880 | spin_lock_irqsave(&card->vlanlock, flags); |
1881 | /* unregister IP addresses of vlan device */ | |
1882 | qeth_l3_free_vlan_addresses(card, vid); | |
1883 | vlan_group_set_device(card->vlangrp, vid, NULL); | |
1884 | spin_unlock_irqrestore(&card->vlanlock, flags); | |
1885 | qeth_l3_set_multicast_list(card->dev); | |
1886 | } | |
1887 | ||
1888 | static inline __u16 qeth_l3_rebuild_skb(struct qeth_card *card, | |
1889 | struct sk_buff *skb, struct qeth_hdr *hdr) | |
1890 | { | |
1891 | unsigned short vlan_id = 0; | |
1892 | __be16 prot; | |
1893 | struct iphdr *ip_hdr; | |
1894 | unsigned char tg_addr[MAX_ADDR_LEN]; | |
1895 | ||
1896 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { | |
1897 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
1898 | ETH_P_IP); | |
1899 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { | |
1900 | case QETH_CAST_MULTICAST: | |
1901 | switch (prot) { | |
1902 | #ifdef CONFIG_QETH_IPV6 | |
1903 | case __constant_htons(ETH_P_IPV6): | |
1904 | ndisc_mc_map((struct in6_addr *) | |
1905 | skb->data + 24, | |
1906 | tg_addr, card->dev, 0); | |
1907 | break; | |
1908 | #endif | |
1909 | case __constant_htons(ETH_P_IP): | |
1910 | ip_hdr = (struct iphdr *)skb->data; | |
1911 | (card->dev->type == ARPHRD_IEEE802_TR) ? | |
1912 | ip_tr_mc_map(ip_hdr->daddr, tg_addr): | |
1913 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); | |
1914 | break; | |
1915 | default: | |
1916 | memcpy(tg_addr, card->dev->broadcast, | |
1917 | card->dev->addr_len); | |
1918 | } | |
1919 | card->stats.multicast++; | |
1920 | skb->pkt_type = PACKET_MULTICAST; | |
1921 | break; | |
1922 | case QETH_CAST_BROADCAST: | |
1923 | memcpy(tg_addr, card->dev->broadcast, | |
1924 | card->dev->addr_len); | |
1925 | card->stats.multicast++; | |
1926 | skb->pkt_type = PACKET_BROADCAST; | |
1927 | break; | |
1928 | case QETH_CAST_UNICAST: | |
1929 | case QETH_CAST_ANYCAST: | |
1930 | case QETH_CAST_NOCAST: | |
1931 | default: | |
1932 | skb->pkt_type = PACKET_HOST; | |
1933 | memcpy(tg_addr, card->dev->dev_addr, | |
1934 | card->dev->addr_len); | |
1935 | } | |
1936 | card->dev->header_ops->create(skb, card->dev, prot, tg_addr, | |
1937 | "FAKELL", card->dev->addr_len); | |
1938 | } | |
1939 | ||
1940 | #ifdef CONFIG_TR | |
1941 | if (card->dev->type == ARPHRD_IEEE802_TR) | |
1942 | skb->protocol = tr_type_trans(skb, card->dev); | |
1943 | else | |
1944 | #endif | |
1945 | skb->protocol = eth_type_trans(skb, card->dev); | |
1946 | ||
1947 | if (hdr->hdr.l3.ext_flags & | |
1948 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
1949 | vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)? | |
1950 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); | |
1951 | } | |
1952 | ||
1953 | skb->ip_summed = card->options.checksum_type; | |
1954 | if (card->options.checksum_type == HW_CHECKSUMMING) { | |
1955 | if ((hdr->hdr.l3.ext_flags & | |
1956 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
1957 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
1958 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
1959 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) | |
1960 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1961 | else | |
1962 | skb->ip_summed = SW_CHECKSUMMING; | |
1963 | } | |
1964 | ||
1965 | return vlan_id; | |
1966 | } | |
1967 | ||
1968 | static void qeth_l3_process_inbound_buffer(struct qeth_card *card, | |
1969 | struct qeth_qdio_buffer *buf, int index) | |
1970 | { | |
1971 | struct qdio_buffer_element *element; | |
1972 | struct sk_buff *skb; | |
1973 | struct qeth_hdr *hdr; | |
1974 | int offset; | |
1975 | __u16 vlan_tag = 0; | |
1976 | unsigned int len; | |
1977 | ||
1978 | /* get first element of current buffer */ | |
1979 | element = (struct qdio_buffer_element *)&buf->buffer->element[0]; | |
1980 | offset = 0; | |
1981 | if (card->options.performance_stats) | |
1982 | card->perf_stats.bufs_rec++; | |
1983 | while ((skb = qeth_core_get_next_skb(card, buf->buffer, &element, | |
1984 | &offset, &hdr))) { | |
1985 | skb->dev = card->dev; | |
1986 | /* is device UP ? */ | |
1987 | if (!(card->dev->flags & IFF_UP)) { | |
1988 | dev_kfree_skb_any(skb); | |
1989 | continue; | |
1990 | } | |
1991 | ||
1992 | switch (hdr->hdr.l3.id) { | |
1993 | case QETH_HEADER_TYPE_LAYER3: | |
1994 | vlan_tag = qeth_l3_rebuild_skb(card, skb, hdr); | |
1995 | len = skb->len; | |
1996 | if (vlan_tag) | |
1997 | if (card->vlangrp) | |
1998 | vlan_hwaccel_rx(skb, card->vlangrp, | |
1999 | vlan_tag); | |
2000 | else { | |
2001 | dev_kfree_skb_any(skb); | |
2002 | continue; | |
2003 | } | |
2004 | else | |
2005 | netif_rx(skb); | |
2006 | break; | |
2007 | default: | |
2008 | dev_kfree_skb_any(skb); | |
d11ba0c4 PT |
2009 | QETH_DBF_TEXT(TRACE, 3, "inbunkno"); |
2010 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); | |
4a71df50 FB |
2011 | continue; |
2012 | } | |
2013 | ||
2014 | card->dev->last_rx = jiffies; | |
2015 | card->stats.rx_packets++; | |
2016 | card->stats.rx_bytes += len; | |
2017 | } | |
2018 | } | |
2019 | ||
2020 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, | |
2021 | struct qeth_card *card) | |
2022 | { | |
2023 | int rc = 0; | |
2024 | struct vlan_group *vg; | |
2025 | int i; | |
2026 | ||
2027 | vg = card->vlangrp; | |
2028 | if (!vg) | |
2029 | return rc; | |
2030 | ||
2031 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { | |
2032 | if (vlan_group_get_device(vg, i) == dev) { | |
2033 | rc = QETH_VLAN_CARD; | |
2034 | break; | |
2035 | } | |
2036 | } | |
2037 | ||
2038 | if (rc && !(netdev_priv(vlan_dev_info(dev)->real_dev) == (void *)card)) | |
2039 | return 0; | |
2040 | ||
2041 | return rc; | |
2042 | } | |
2043 | ||
2044 | static int qeth_l3_verify_dev(struct net_device *dev) | |
2045 | { | |
2046 | struct qeth_card *card; | |
2047 | unsigned long flags; | |
2048 | int rc = 0; | |
2049 | ||
2050 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
2051 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
2052 | if (card->dev == dev) { | |
2053 | rc = QETH_REAL_CARD; | |
2054 | break; | |
2055 | } | |
2056 | rc = qeth_l3_verify_vlan_dev(dev, card); | |
2057 | if (rc) | |
2058 | break; | |
2059 | } | |
2060 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
2061 | ||
2062 | return rc; | |
2063 | } | |
2064 | ||
2065 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) | |
2066 | { | |
2067 | struct qeth_card *card = NULL; | |
2068 | int rc; | |
2069 | ||
2070 | rc = qeth_l3_verify_dev(dev); | |
2071 | if (rc == QETH_REAL_CARD) | |
2072 | card = netdev_priv(dev); | |
2073 | else if (rc == QETH_VLAN_CARD) | |
2074 | card = netdev_priv(vlan_dev_info(dev)->real_dev); | |
2075 | if (card->options.layer2) | |
2076 | card = NULL; | |
d11ba0c4 | 2077 | QETH_DBF_TEXT_(TRACE, 4, "%d", rc); |
4a71df50 FB |
2078 | return card ; |
2079 | } | |
2080 | ||
2081 | static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) | |
2082 | { | |
2083 | int rc = 0; | |
2084 | ||
d11ba0c4 PT |
2085 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
2086 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
2087 | |
2088 | qeth_set_allowed_threads(card, 0, 1); | |
2089 | if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) | |
2090 | return -ERESTARTSYS; | |
2091 | if (card->read.state == CH_STATE_UP && | |
2092 | card->write.state == CH_STATE_UP && | |
2093 | (card->state == CARD_STATE_UP)) { | |
2094 | if (recovery_mode) | |
2095 | qeth_l3_stop(card->dev); | |
2096 | if (!card->use_hard_stop) { | |
2097 | rc = qeth_send_stoplan(card); | |
2098 | if (rc) | |
d11ba0c4 | 2099 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
2100 | } |
2101 | card->state = CARD_STATE_SOFTSETUP; | |
2102 | } | |
2103 | if (card->state == CARD_STATE_SOFTSETUP) { | |
2104 | qeth_l3_clear_ip_list(card, !card->use_hard_stop, 1); | |
2105 | qeth_clear_ipacmd_list(card); | |
2106 | card->state = CARD_STATE_HARDSETUP; | |
2107 | } | |
2108 | if (card->state == CARD_STATE_HARDSETUP) { | |
2109 | if (!card->use_hard_stop && | |
2110 | (card->info.type != QETH_CARD_TYPE_IQD)) { | |
2111 | rc = qeth_l3_put_unique_id(card); | |
2112 | if (rc) | |
d11ba0c4 | 2113 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
4a71df50 FB |
2114 | } |
2115 | qeth_qdio_clear_card(card, 0); | |
2116 | qeth_clear_qdio_buffers(card); | |
2117 | qeth_clear_working_pool_list(card); | |
2118 | card->state = CARD_STATE_DOWN; | |
2119 | } | |
2120 | if (card->state == CARD_STATE_DOWN) { | |
2121 | qeth_clear_cmd_buffers(&card->read); | |
2122 | qeth_clear_cmd_buffers(&card->write); | |
2123 | } | |
2124 | card->use_hard_stop = 0; | |
2125 | return rc; | |
2126 | } | |
2127 | ||
2128 | static void qeth_l3_set_multicast_list(struct net_device *dev) | |
2129 | { | |
2130 | struct qeth_card *card = netdev_priv(dev); | |
2131 | ||
d11ba0c4 | 2132 | QETH_DBF_TEXT(TRACE, 3, "setmulti"); |
4a71df50 FB |
2133 | qeth_l3_delete_mc_addresses(card); |
2134 | qeth_l3_add_multicast_ipv4(card); | |
2135 | #ifdef CONFIG_QETH_IPV6 | |
2136 | qeth_l3_add_multicast_ipv6(card); | |
2137 | #endif | |
2138 | qeth_l3_set_ip_addr_list(card); | |
2139 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2140 | return; | |
2141 | qeth_setadp_promisc_mode(card); | |
2142 | } | |
2143 | ||
2144 | static const char *qeth_l3_arp_get_error_cause(int *rc) | |
2145 | { | |
2146 | switch (*rc) { | |
2147 | case QETH_IPA_ARP_RC_FAILED: | |
2148 | *rc = -EIO; | |
2149 | return "operation failed"; | |
2150 | case QETH_IPA_ARP_RC_NOTSUPP: | |
2151 | *rc = -EOPNOTSUPP; | |
2152 | return "operation not supported"; | |
2153 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
2154 | *rc = -EINVAL; | |
2155 | return "argument out of range"; | |
2156 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
2157 | *rc = -EOPNOTSUPP; | |
2158 | return "query operation not supported"; | |
2159 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
2160 | *rc = -ENOENT; | |
2161 | return "no query data available"; | |
2162 | default: | |
2163 | return "unknown error"; | |
2164 | } | |
2165 | } | |
2166 | ||
2167 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
2168 | { | |
2169 | int tmp; | |
2170 | int rc; | |
2171 | ||
d11ba0c4 | 2172 | QETH_DBF_TEXT(TRACE, 3, "arpstnoe"); |
4a71df50 FB |
2173 | |
2174 | /* | |
2175 | * currently GuestLAN only supports the ARP assist function | |
2176 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
2177 | * thus we say EOPNOTSUPP for this ARP function | |
2178 | */ | |
2179 | if (card->info.guestlan) | |
2180 | return -EOPNOTSUPP; | |
2181 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
2182 | PRINT_WARN("ARP processing not supported " | |
2183 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
2184 | return -EOPNOTSUPP; | |
2185 | } | |
2186 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2187 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, | |
2188 | no_entries); | |
2189 | if (rc) { | |
2190 | tmp = rc; | |
2191 | PRINT_WARN("Could not set number of ARP entries on %s: " | |
2192 | "%s (0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2193 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2194 | } | |
2195 | return rc; | |
2196 | } | |
2197 | ||
2198 | static void qeth_l3_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo, | |
2199 | struct qeth_arp_query_data *qdata, int entry_size, | |
2200 | int uentry_size) | |
2201 | { | |
2202 | char *entry_ptr; | |
2203 | char *uentry_ptr; | |
2204 | int i; | |
2205 | ||
2206 | entry_ptr = (char *)&qdata->data; | |
2207 | uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset); | |
2208 | for (i = 0; i < qdata->no_entries; ++i) { | |
2209 | /* strip off 32 bytes "media specific information" */ | |
2210 | memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32); | |
2211 | entry_ptr += entry_size; | |
2212 | uentry_ptr += uentry_size; | |
2213 | } | |
2214 | } | |
2215 | ||
2216 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
2217 | struct qeth_reply *reply, unsigned long data) | |
2218 | { | |
2219 | struct qeth_ipa_cmd *cmd; | |
2220 | struct qeth_arp_query_data *qdata; | |
2221 | struct qeth_arp_query_info *qinfo; | |
2222 | int entry_size; | |
2223 | int uentry_size; | |
2224 | int i; | |
2225 | ||
d11ba0c4 | 2226 | QETH_DBF_TEXT(TRACE, 4, "arpquecb"); |
4a71df50 FB |
2227 | |
2228 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
2229 | cmd = (struct qeth_ipa_cmd *) data; | |
2230 | if (cmd->hdr.return_code) { | |
d11ba0c4 | 2231 | QETH_DBF_TEXT_(TRACE, 4, "qaer1%i", cmd->hdr.return_code); |
4a71df50 FB |
2232 | return 0; |
2233 | } | |
2234 | if (cmd->data.setassparms.hdr.return_code) { | |
2235 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d11ba0c4 | 2236 | QETH_DBF_TEXT_(TRACE, 4, "qaer2%i", cmd->hdr.return_code); |
4a71df50 FB |
2237 | return 0; |
2238 | } | |
2239 | qdata = &cmd->data.setassparms.data.query_arp; | |
2240 | switch (qdata->reply_bits) { | |
2241 | case 5: | |
2242 | uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5); | |
2243 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2244 | uentry_size = sizeof(struct qeth_arp_qi_entry5_short); | |
2245 | break; | |
2246 | case 7: | |
2247 | /* fall through to default */ | |
2248 | default: | |
2249 | /* tr is the same as eth -> entry7 */ | |
2250 | uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7); | |
2251 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2252 | uentry_size = sizeof(struct qeth_arp_qi_entry7_short); | |
2253 | break; | |
2254 | } | |
2255 | /* check if there is enough room in userspace */ | |
2256 | if ((qinfo->udata_len - qinfo->udata_offset) < | |
2257 | qdata->no_entries * uentry_size){ | |
d11ba0c4 | 2258 | QETH_DBF_TEXT_(TRACE, 4, "qaer3%i", -ENOMEM); |
4a71df50 FB |
2259 | cmd->hdr.return_code = -ENOMEM; |
2260 | PRINT_WARN("query ARP user space buffer is too small for " | |
2261 | "the returned number of ARP entries. " | |
2262 | "Aborting query!\n"); | |
2263 | goto out_error; | |
2264 | } | |
d11ba0c4 | 2265 | QETH_DBF_TEXT_(TRACE, 4, "anore%i", |
4a71df50 | 2266 | cmd->data.setassparms.hdr.number_of_replies); |
d11ba0c4 PT |
2267 | QETH_DBF_TEXT_(TRACE, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no); |
2268 | QETH_DBF_TEXT_(TRACE, 4, "anoen%i", qdata->no_entries); | |
4a71df50 FB |
2269 | |
2270 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) { | |
2271 | /* strip off "media specific information" */ | |
2272 | qeth_l3_copy_arp_entries_stripped(qinfo, qdata, entry_size, | |
2273 | uentry_size); | |
2274 | } else | |
2275 | /*copy entries to user buffer*/ | |
2276 | memcpy(qinfo->udata + qinfo->udata_offset, | |
2277 | (char *)&qdata->data, qdata->no_entries*uentry_size); | |
2278 | ||
2279 | qinfo->no_entries += qdata->no_entries; | |
2280 | qinfo->udata_offset += (qdata->no_entries*uentry_size); | |
2281 | /* check if all replies received ... */ | |
2282 | if (cmd->data.setassparms.hdr.seq_no < | |
2283 | cmd->data.setassparms.hdr.number_of_replies) | |
2284 | return 1; | |
2285 | memcpy(qinfo->udata, &qinfo->no_entries, 4); | |
2286 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
2287 | * stripped entries from normal ones */ | |
2288 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2289 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
2290 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
2291 | return 0; | |
2292 | out_error: | |
2293 | i = 0; | |
2294 | memcpy(qinfo->udata, &i, 4); | |
2295 | return 0; | |
2296 | } | |
2297 | ||
2298 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, | |
2299 | struct qeth_cmd_buffer *iob, int len, | |
2300 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
2301 | unsigned long), | |
2302 | void *reply_param) | |
2303 | { | |
d11ba0c4 | 2304 | QETH_DBF_TEXT(TRACE, 4, "sendarp"); |
4a71df50 FB |
2305 | |
2306 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2307 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2308 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2309 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
2310 | reply_cb, reply_param); | |
2311 | } | |
2312 | ||
2313 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
2314 | { | |
2315 | struct qeth_cmd_buffer *iob; | |
2316 | struct qeth_arp_query_info qinfo = {0, }; | |
2317 | int tmp; | |
2318 | int rc; | |
2319 | ||
d11ba0c4 | 2320 | QETH_DBF_TEXT(TRACE, 3, "arpquery"); |
4a71df50 FB |
2321 | |
2322 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
2323 | IPA_ARP_PROCESSING)) { | |
2324 | PRINT_WARN("ARP processing not supported " | |
2325 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
2326 | return -EOPNOTSUPP; | |
2327 | } | |
2328 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
2329 | if (copy_from_user(&qinfo, udata, 6)) | |
2330 | return -EFAULT; | |
2331 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); | |
2332 | if (!qinfo.udata) | |
2333 | return -ENOMEM; | |
2334 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; | |
2335 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2336 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
2337 | sizeof(int), QETH_PROT_IPV4); | |
2338 | ||
2339 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, | |
2340 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
2341 | qeth_l3_arp_query_cb, (void *)&qinfo); | |
2342 | if (rc) { | |
2343 | tmp = rc; | |
2344 | PRINT_WARN("Error while querying ARP cache on %s: %s " | |
2345 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2346 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2347 | if (copy_to_user(udata, qinfo.udata, 4)) | |
2348 | rc = -EFAULT; | |
2349 | } else { | |
2350 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) | |
2351 | rc = -EFAULT; | |
2352 | } | |
2353 | kfree(qinfo.udata); | |
2354 | return rc; | |
2355 | } | |
2356 | ||
2357 | static int qeth_l3_arp_add_entry(struct qeth_card *card, | |
2358 | struct qeth_arp_cache_entry *entry) | |
2359 | { | |
2360 | struct qeth_cmd_buffer *iob; | |
2361 | char buf[16]; | |
2362 | int tmp; | |
2363 | int rc; | |
2364 | ||
d11ba0c4 | 2365 | QETH_DBF_TEXT(TRACE, 3, "arpadent"); |
4a71df50 FB |
2366 | |
2367 | /* | |
2368 | * currently GuestLAN only supports the ARP assist function | |
2369 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
2370 | * thus we say EOPNOTSUPP for this ARP function | |
2371 | */ | |
2372 | if (card->info.guestlan) | |
2373 | return -EOPNOTSUPP; | |
2374 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
2375 | PRINT_WARN("ARP processing not supported " | |
2376 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
2377 | return -EOPNOTSUPP; | |
2378 | } | |
2379 | ||
2380 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2381 | IPA_CMD_ASS_ARP_ADD_ENTRY, | |
2382 | sizeof(struct qeth_arp_cache_entry), | |
2383 | QETH_PROT_IPV4); | |
2384 | rc = qeth_l3_send_setassparms(card, iob, | |
2385 | sizeof(struct qeth_arp_cache_entry), | |
2386 | (unsigned long) entry, | |
2387 | qeth_l3_default_setassparms_cb, NULL); | |
2388 | if (rc) { | |
2389 | tmp = rc; | |
2390 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
2391 | PRINT_WARN("Could not add ARP entry for address %s on %s: " | |
2392 | "%s (0x%x/%d)\n", | |
2393 | buf, QETH_CARD_IFNAME(card), | |
2394 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2395 | } | |
2396 | return rc; | |
2397 | } | |
2398 | ||
2399 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, | |
2400 | struct qeth_arp_cache_entry *entry) | |
2401 | { | |
2402 | struct qeth_cmd_buffer *iob; | |
2403 | char buf[16] = {0, }; | |
2404 | int tmp; | |
2405 | int rc; | |
2406 | ||
d11ba0c4 | 2407 | QETH_DBF_TEXT(TRACE, 3, "arprment"); |
4a71df50 FB |
2408 | |
2409 | /* | |
2410 | * currently GuestLAN only supports the ARP assist function | |
2411 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
2412 | * thus we say EOPNOTSUPP for this ARP function | |
2413 | */ | |
2414 | if (card->info.guestlan) | |
2415 | return -EOPNOTSUPP; | |
2416 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
2417 | PRINT_WARN("ARP processing not supported " | |
2418 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
2419 | return -EOPNOTSUPP; | |
2420 | } | |
2421 | memcpy(buf, entry, 12); | |
2422 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2423 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, | |
2424 | 12, | |
2425 | QETH_PROT_IPV4); | |
2426 | rc = qeth_l3_send_setassparms(card, iob, | |
2427 | 12, (unsigned long)buf, | |
2428 | qeth_l3_default_setassparms_cb, NULL); | |
2429 | if (rc) { | |
2430 | tmp = rc; | |
2431 | memset(buf, 0, 16); | |
2432 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
2433 | PRINT_WARN("Could not delete ARP entry for address %s on %s: " | |
2434 | "%s (0x%x/%d)\n", | |
2435 | buf, QETH_CARD_IFNAME(card), | |
2436 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2437 | } | |
2438 | return rc; | |
2439 | } | |
2440 | ||
2441 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
2442 | { | |
2443 | int rc; | |
2444 | int tmp; | |
2445 | ||
d11ba0c4 | 2446 | QETH_DBF_TEXT(TRACE, 3, "arpflush"); |
4a71df50 FB |
2447 | |
2448 | /* | |
2449 | * currently GuestLAN only supports the ARP assist function | |
2450 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
2451 | * thus we say EOPNOTSUPP for this ARP function | |
2452 | */ | |
2453 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) | |
2454 | return -EOPNOTSUPP; | |
2455 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
2456 | PRINT_WARN("ARP processing not supported " | |
2457 | "on %s!\n", QETH_CARD_IFNAME(card)); | |
2458 | return -EOPNOTSUPP; | |
2459 | } | |
2460 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2461 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); | |
2462 | if (rc) { | |
2463 | tmp = rc; | |
2464 | PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n", | |
2465 | QETH_CARD_IFNAME(card), | |
2466 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2467 | } | |
2468 | return rc; | |
2469 | } | |
2470 | ||
2471 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2472 | { | |
2473 | struct qeth_card *card = netdev_priv(dev); | |
2474 | struct qeth_arp_cache_entry arp_entry; | |
2475 | struct mii_ioctl_data *mii_data; | |
2476 | int rc = 0; | |
2477 | ||
2478 | if (!card) | |
2479 | return -ENODEV; | |
2480 | ||
2481 | if ((card->state != CARD_STATE_UP) && | |
2482 | (card->state != CARD_STATE_SOFTSETUP)) | |
2483 | return -ENODEV; | |
2484 | ||
2485 | switch (cmd) { | |
2486 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
2487 | if (!capable(CAP_NET_ADMIN)) { | |
2488 | rc = -EPERM; | |
2489 | break; | |
2490 | } | |
2491 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
2492 | break; | |
2493 | case SIOC_QETH_ARP_QUERY_INFO: | |
2494 | if (!capable(CAP_NET_ADMIN)) { | |
2495 | rc = -EPERM; | |
2496 | break; | |
2497 | } | |
2498 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); | |
2499 | break; | |
2500 | case SIOC_QETH_ARP_ADD_ENTRY: | |
2501 | if (!capable(CAP_NET_ADMIN)) { | |
2502 | rc = -EPERM; | |
2503 | break; | |
2504 | } | |
2505 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2506 | sizeof(struct qeth_arp_cache_entry))) | |
2507 | rc = -EFAULT; | |
2508 | else | |
2509 | rc = qeth_l3_arp_add_entry(card, &arp_entry); | |
2510 | break; | |
2511 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
2512 | if (!capable(CAP_NET_ADMIN)) { | |
2513 | rc = -EPERM; | |
2514 | break; | |
2515 | } | |
2516 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2517 | sizeof(struct qeth_arp_cache_entry))) | |
2518 | rc = -EFAULT; | |
2519 | else | |
2520 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); | |
2521 | break; | |
2522 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
2523 | if (!capable(CAP_NET_ADMIN)) { | |
2524 | rc = -EPERM; | |
2525 | break; | |
2526 | } | |
2527 | rc = qeth_l3_arp_flush_cache(card); | |
2528 | break; | |
2529 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
2530 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
2531 | break; | |
2532 | case SIOC_QETH_GET_CARD_TYPE: | |
2533 | if ((card->info.type == QETH_CARD_TYPE_OSAE) && | |
2534 | !card->info.guestlan) | |
2535 | return 1; | |
2536 | return 0; | |
2537 | break; | |
2538 | case SIOCGMIIPHY: | |
2539 | mii_data = if_mii(rq); | |
2540 | mii_data->phy_id = 0; | |
2541 | break; | |
2542 | case SIOCGMIIREG: | |
2543 | mii_data = if_mii(rq); | |
2544 | if (mii_data->phy_id != 0) | |
2545 | rc = -EINVAL; | |
2546 | else | |
2547 | mii_data->val_out = qeth_mdio_read(dev, | |
2548 | mii_data->phy_id, | |
2549 | mii_data->reg_num); | |
2550 | break; | |
2551 | default: | |
2552 | rc = -EOPNOTSUPP; | |
2553 | } | |
2554 | if (rc) | |
d11ba0c4 | 2555 | QETH_DBF_TEXT_(TRACE, 2, "ioce%d", rc); |
4a71df50 FB |
2556 | return rc; |
2557 | } | |
2558 | ||
2559 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, | |
2560 | struct sk_buff *skb, int ipv, int cast_type) | |
2561 | { | |
d11ba0c4 | 2562 | QETH_DBF_TEXT(TRACE, 6, "fillhdr"); |
4a71df50 FB |
2563 | |
2564 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
2565 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2566 | hdr->hdr.l3.ext_flags = 0; | |
2567 | ||
2568 | /* | |
2569 | * before we're going to overwrite this location with next hop ip. | |
2570 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
2571 | */ | |
2572 | if (card->vlangrp && vlan_tx_tag_present(skb)) { | |
2573 | hdr->hdr.l3.ext_flags = (ipv == 4) ? | |
2574 | QETH_HDR_EXT_VLAN_FRAME : | |
2575 | QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
2576 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); | |
2577 | } | |
2578 | ||
2579 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
2580 | if (ipv == 4) { | |
2581 | /* IPv4 */ | |
2582 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); | |
2583 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
2584 | if ((skb->dst) && (skb->dst->neighbour)) { | |
2585 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = | |
2586 | *((u32 *) skb->dst->neighbour->primary_key); | |
2587 | } else { | |
2588 | /* fill in destination address used in ip header */ | |
2589 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = | |
2590 | ip_hdr(skb)->daddr; | |
2591 | } | |
2592 | } else if (ipv == 6) { | |
2593 | /* IPv6 */ | |
2594 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); | |
2595 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2596 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; | |
2597 | if ((skb->dst) && (skb->dst->neighbour)) { | |
2598 | memcpy(hdr->hdr.l3.dest_addr, | |
2599 | skb->dst->neighbour->primary_key, 16); | |
2600 | } else { | |
2601 | /* fill in destination address used in ip header */ | |
2602 | memcpy(hdr->hdr.l3.dest_addr, | |
2603 | &ipv6_hdr(skb)->daddr, 16); | |
2604 | } | |
2605 | } else { | |
2606 | /* passthrough */ | |
2607 | if ((skb->dev->type == ARPHRD_IEEE802_TR) && | |
2608 | !memcmp(skb->data + sizeof(struct qeth_hdr) + | |
2609 | sizeof(__u16), skb->dev->broadcast, 6)) { | |
2610 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2611 | QETH_HDR_PASSTHRU; | |
2612 | } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), | |
2613 | skb->dev->broadcast, 6)) { | |
2614 | /* broadcast? */ | |
2615 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2616 | QETH_HDR_PASSTHRU; | |
2617 | } else { | |
2618 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
2619 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
2620 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
2621 | } | |
2622 | } | |
2623 | } | |
2624 | ||
2625 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
2626 | { | |
2627 | int rc; | |
2628 | u16 *tag; | |
2629 | struct qeth_hdr *hdr = NULL; | |
2630 | int elements_needed = 0; | |
2631 | struct qeth_card *card = netdev_priv(dev); | |
2632 | struct sk_buff *new_skb = NULL; | |
2633 | int ipv = qeth_get_ip_version(skb); | |
2634 | int cast_type = qeth_get_cast_type(card, skb); | |
2635 | struct qeth_qdio_out_q *queue = card->qdio.out_qs | |
2636 | [qeth_get_priority_queue(card, skb, ipv, cast_type)]; | |
2637 | int tx_bytes = skb->len; | |
2638 | enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO; | |
2639 | struct qeth_eddp_context *ctx = NULL; | |
2640 | ||
d11ba0c4 | 2641 | QETH_DBF_TEXT(TRACE, 6, "l3xmit"); |
4a71df50 FB |
2642 | |
2643 | if ((card->info.type == QETH_CARD_TYPE_IQD) && | |
2644 | (skb->protocol != htons(ETH_P_IPV6)) && | |
2645 | (skb->protocol != htons(ETH_P_IP))) | |
2646 | goto tx_drop; | |
2647 | ||
2648 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
2649 | card->stats.tx_carrier_errors++; | |
2650 | goto tx_drop; | |
2651 | } | |
2652 | ||
2653 | if ((cast_type == RTN_BROADCAST) && | |
2654 | (card->info.broadcast_capable == 0)) | |
2655 | goto tx_drop; | |
2656 | ||
2657 | if (card->options.performance_stats) { | |
2658 | card->perf_stats.outbound_cnt++; | |
2659 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
2660 | } | |
2661 | ||
2662 | /* create a clone with writeable headroom */ | |
2663 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) + | |
2664 | VLAN_HLEN); | |
2665 | if (!new_skb) | |
2666 | goto tx_drop; | |
2667 | ||
2668 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
2669 | skb_pull(new_skb, ETH_HLEN); | |
2670 | } else { | |
2671 | if (new_skb->protocol == htons(ETH_P_IP)) { | |
2672 | if (card->dev->type == ARPHRD_IEEE802_TR) | |
2673 | skb_pull(new_skb, TR_HLEN); | |
2674 | else | |
2675 | skb_pull(new_skb, ETH_HLEN); | |
2676 | } | |
2677 | ||
2678 | if (new_skb->protocol == ETH_P_IPV6 && card->vlangrp && | |
2679 | vlan_tx_tag_present(new_skb)) { | |
2680 | skb_push(new_skb, VLAN_HLEN); | |
2681 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); | |
2682 | skb_copy_to_linear_data_offset(new_skb, 4, | |
2683 | new_skb->data + 8, 4); | |
2684 | skb_copy_to_linear_data_offset(new_skb, 8, | |
2685 | new_skb->data + 12, 4); | |
2686 | tag = (u16 *)(new_skb->data + 12); | |
2687 | *tag = __constant_htons(ETH_P_8021Q); | |
2688 | *(tag + 1) = htons(vlan_tx_tag_get(new_skb)); | |
2689 | VLAN_TX_SKB_CB(new_skb)->magic = 0; | |
2690 | } | |
2691 | } | |
2692 | ||
2693 | netif_stop_queue(dev); | |
2694 | ||
2695 | if (skb_is_gso(new_skb)) | |
2696 | large_send = card->options.large_send; | |
2697 | ||
2698 | /* fix hardware limitation: as long as we do not have sbal | |
2699 | * chaining we can not send long frag lists so we temporary | |
2700 | * switch to EDDP | |
2701 | */ | |
2702 | if ((large_send == QETH_LARGE_SEND_TSO) && | |
2703 | ((skb_shinfo(new_skb)->nr_frags + 2) > 16)) | |
2704 | large_send = QETH_LARGE_SEND_EDDP; | |
2705 | ||
2706 | if ((large_send == QETH_LARGE_SEND_TSO) && | |
2707 | (cast_type == RTN_UNSPEC)) { | |
2708 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
2709 | sizeof(struct qeth_hdr_tso)); | |
2710 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | |
2711 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
2712 | qeth_tso_fill_header(card, hdr, new_skb); | |
2713 | elements_needed++; | |
2714 | } else { | |
2715 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
2716 | sizeof(struct qeth_hdr)); | |
2717 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
2718 | } | |
2719 | ||
2720 | if (large_send == QETH_LARGE_SEND_EDDP) { | |
2721 | /* new_skb is not owned by a socket so we use skb to get | |
2722 | * the protocol | |
2723 | */ | |
2724 | ctx = qeth_eddp_create_context(card, new_skb, hdr, | |
2725 | skb->sk->sk_protocol); | |
2726 | if (ctx == NULL) { | |
2727 | PRINT_WARN("could not create eddp context\n"); | |
2728 | goto tx_drop; | |
2729 | } | |
2730 | } else { | |
2731 | int elems = qeth_get_elements_no(card, (void *)hdr, new_skb, | |
2732 | elements_needed); | |
2733 | if (!elems) | |
2734 | goto tx_drop; | |
2735 | elements_needed += elems; | |
2736 | } | |
2737 | ||
2738 | if ((large_send == QETH_LARGE_SEND_NO) && | |
2739 | (new_skb->ip_summed == CHECKSUM_PARTIAL)) | |
2740 | qeth_tx_csum(new_skb); | |
2741 | ||
2742 | if (card->info.type != QETH_CARD_TYPE_IQD) | |
2743 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, | |
2744 | elements_needed, ctx); | |
2745 | else | |
2746 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, | |
2747 | elements_needed, ctx); | |
2748 | ||
2749 | if (!rc) { | |
2750 | card->stats.tx_packets++; | |
2751 | card->stats.tx_bytes += tx_bytes; | |
2752 | if (new_skb != skb) | |
2753 | dev_kfree_skb_any(skb); | |
2754 | if (card->options.performance_stats) { | |
2755 | if (large_send != QETH_LARGE_SEND_NO) { | |
2756 | card->perf_stats.large_send_bytes += tx_bytes; | |
2757 | card->perf_stats.large_send_cnt++; | |
2758 | } | |
2759 | if (skb_shinfo(new_skb)->nr_frags > 0) { | |
2760 | card->perf_stats.sg_skbs_sent++; | |
2761 | /* nr_frags + skb->data */ | |
2762 | card->perf_stats.sg_frags_sent += | |
2763 | skb_shinfo(new_skb)->nr_frags + 1; | |
2764 | } | |
2765 | } | |
2766 | ||
2767 | if (ctx != NULL) { | |
2768 | qeth_eddp_put_context(ctx); | |
2769 | dev_kfree_skb_any(new_skb); | |
2770 | } | |
2771 | } else { | |
2772 | if (ctx != NULL) | |
2773 | qeth_eddp_put_context(ctx); | |
2774 | ||
2775 | if (rc == -EBUSY) { | |
2776 | if (new_skb != skb) | |
2777 | dev_kfree_skb_any(new_skb); | |
2778 | return NETDEV_TX_BUSY; | |
2779 | } else | |
2780 | goto tx_drop; | |
2781 | } | |
2782 | ||
2783 | netif_wake_queue(dev); | |
2784 | if (card->options.performance_stats) | |
2785 | card->perf_stats.outbound_time += qeth_get_micros() - | |
2786 | card->perf_stats.outbound_start_time; | |
2787 | return rc; | |
2788 | ||
2789 | tx_drop: | |
2790 | card->stats.tx_dropped++; | |
2791 | card->stats.tx_errors++; | |
2792 | if ((new_skb != skb) && new_skb) | |
2793 | dev_kfree_skb_any(new_skb); | |
2794 | dev_kfree_skb_any(skb); | |
2795 | return NETDEV_TX_OK; | |
2796 | } | |
2797 | ||
2798 | static int qeth_l3_open(struct net_device *dev) | |
2799 | { | |
2800 | struct qeth_card *card = netdev_priv(dev); | |
2801 | ||
d11ba0c4 | 2802 | QETH_DBF_TEXT(TRACE, 4, "qethopen"); |
4a71df50 FB |
2803 | if (card->state != CARD_STATE_SOFTSETUP) |
2804 | return -ENODEV; | |
2805 | card->data.state = CH_STATE_UP; | |
2806 | card->state = CARD_STATE_UP; | |
2807 | card->dev->flags |= IFF_UP; | |
2808 | netif_start_queue(dev); | |
2809 | ||
2810 | if (!card->lan_online && netif_carrier_ok(dev)) | |
2811 | netif_carrier_off(dev); | |
2812 | return 0; | |
2813 | } | |
2814 | ||
2815 | static int qeth_l3_stop(struct net_device *dev) | |
2816 | { | |
2817 | struct qeth_card *card = netdev_priv(dev); | |
2818 | ||
d11ba0c4 | 2819 | QETH_DBF_TEXT(TRACE, 4, "qethstop"); |
4a71df50 FB |
2820 | netif_tx_disable(dev); |
2821 | card->dev->flags &= ~IFF_UP; | |
2822 | if (card->state == CARD_STATE_UP) | |
2823 | card->state = CARD_STATE_SOFTSETUP; | |
2824 | return 0; | |
2825 | } | |
2826 | ||
2827 | static u32 qeth_l3_ethtool_get_rx_csum(struct net_device *dev) | |
2828 | { | |
2829 | struct qeth_card *card = netdev_priv(dev); | |
2830 | ||
2831 | return (card->options.checksum_type == HW_CHECKSUMMING); | |
2832 | } | |
2833 | ||
2834 | static int qeth_l3_ethtool_set_rx_csum(struct net_device *dev, u32 data) | |
2835 | { | |
2836 | struct qeth_card *card = netdev_priv(dev); | |
2837 | enum qeth_card_states old_state; | |
2838 | enum qeth_checksum_types csum_type; | |
2839 | ||
2840 | if ((card->state != CARD_STATE_UP) && | |
2841 | (card->state != CARD_STATE_DOWN)) | |
2842 | return -EPERM; | |
2843 | ||
2844 | if (data) | |
2845 | csum_type = HW_CHECKSUMMING; | |
2846 | else | |
2847 | csum_type = SW_CHECKSUMMING; | |
2848 | ||
2849 | if (card->options.checksum_type != csum_type) { | |
2850 | old_state = card->state; | |
2851 | if (card->state == CARD_STATE_UP) | |
2852 | __qeth_l3_set_offline(card->gdev, 1); | |
2853 | card->options.checksum_type = csum_type; | |
2854 | if (old_state == CARD_STATE_UP) | |
2855 | __qeth_l3_set_online(card->gdev, 1); | |
2856 | } | |
2857 | return 0; | |
2858 | } | |
2859 | ||
2860 | static int qeth_l3_ethtool_set_tso(struct net_device *dev, u32 data) | |
2861 | { | |
2862 | struct qeth_card *card = netdev_priv(dev); | |
2863 | ||
2864 | if (data) { | |
2865 | if (card->options.large_send == QETH_LARGE_SEND_NO) { | |
2866 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2867 | card->options.large_send = QETH_LARGE_SEND_EDDP; | |
2868 | else | |
2869 | card->options.large_send = QETH_LARGE_SEND_TSO; | |
2870 | dev->features |= NETIF_F_TSO; | |
2871 | } | |
2872 | } else { | |
2873 | dev->features &= ~NETIF_F_TSO; | |
2874 | card->options.large_send = QETH_LARGE_SEND_NO; | |
2875 | } | |
2876 | return 0; | |
2877 | } | |
2878 | ||
2879 | static struct ethtool_ops qeth_l3_ethtool_ops = { | |
2880 | .get_link = ethtool_op_get_link, | |
2881 | .get_tx_csum = ethtool_op_get_tx_csum, | |
2882 | .set_tx_csum = ethtool_op_set_tx_hw_csum, | |
2883 | .get_rx_csum = qeth_l3_ethtool_get_rx_csum, | |
2884 | .set_rx_csum = qeth_l3_ethtool_set_rx_csum, | |
2885 | .get_sg = ethtool_op_get_sg, | |
2886 | .set_sg = ethtool_op_set_sg, | |
2887 | .get_tso = ethtool_op_get_tso, | |
2888 | .set_tso = qeth_l3_ethtool_set_tso, | |
2889 | .get_strings = qeth_core_get_strings, | |
2890 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
2891 | .get_stats_count = qeth_core_get_stats_count, | |
2892 | .get_drvinfo = qeth_core_get_drvinfo, | |
2893 | }; | |
2894 | ||
2895 | /* | |
2896 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
2897 | * NOARP on the netdevice is no option because it also turns off neighbor | |
2898 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
2899 | * arp resolution but we want the hard header (packet socket will work | |
2900 | * e.g. tcpdump) | |
2901 | */ | |
2902 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
2903 | { | |
2904 | n->nud_state = NUD_NOARP; | |
2905 | memcpy(n->ha, "FAKELL", 6); | |
2906 | n->output = n->ops->connected_output; | |
2907 | return 0; | |
2908 | } | |
2909 | ||
2910 | static int | |
2911 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
2912 | { | |
2913 | if (np->tbl->family == AF_INET) | |
2914 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
2915 | ||
2916 | return 0; | |
2917 | } | |
2918 | ||
2919 | static int qeth_l3_setup_netdev(struct qeth_card *card) | |
2920 | { | |
2921 | if (card->info.type == QETH_CARD_TYPE_OSAE) { | |
2922 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || | |
2923 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { | |
2924 | #ifdef CONFIG_TR | |
2925 | card->dev = alloc_trdev(0); | |
2926 | #endif | |
2927 | if (!card->dev) | |
2928 | return -ENODEV; | |
2929 | } else { | |
2930 | card->dev = alloc_etherdev(0); | |
2931 | if (!card->dev) | |
2932 | return -ENODEV; | |
2933 | card->dev->neigh_setup = qeth_l3_neigh_setup; | |
2934 | ||
2935 | /*IPv6 address autoconfiguration stuff*/ | |
2936 | qeth_l3_get_unique_id(card); | |
2937 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
2938 | card->dev->dev_id = card->info.unique_id & | |
2939 | 0xffff; | |
2940 | } | |
2941 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { | |
2942 | card->dev = alloc_netdev(0, "hsi%d", ether_setup); | |
2943 | if (!card->dev) | |
2944 | return -ENODEV; | |
2945 | card->dev->flags |= IFF_NOARP; | |
2946 | qeth_l3_iqd_read_initial_mac(card); | |
2947 | } else | |
2948 | return -ENODEV; | |
2949 | ||
2950 | card->dev->hard_start_xmit = qeth_l3_hard_start_xmit; | |
2951 | card->dev->priv = card; | |
2952 | card->dev->tx_timeout = &qeth_tx_timeout; | |
2953 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; | |
2954 | card->dev->open = qeth_l3_open; | |
2955 | card->dev->stop = qeth_l3_stop; | |
2956 | card->dev->do_ioctl = qeth_l3_do_ioctl; | |
2957 | card->dev->get_stats = qeth_get_stats; | |
2958 | card->dev->change_mtu = qeth_change_mtu; | |
2959 | card->dev->set_multicast_list = qeth_l3_set_multicast_list; | |
2960 | card->dev->vlan_rx_register = qeth_l3_vlan_rx_register; | |
2961 | card->dev->vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid; | |
2962 | card->dev->vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid; | |
2963 | card->dev->mtu = card->info.initial_mtu; | |
b7624ec1 | 2964 | card->dev->set_mac_address = NULL; |
4a71df50 FB |
2965 | SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops); |
2966 | card->dev->features |= NETIF_F_HW_VLAN_TX | | |
2967 | NETIF_F_HW_VLAN_RX | | |
2968 | NETIF_F_HW_VLAN_FILTER; | |
2969 | ||
2970 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
2971 | return register_netdev(card->dev); | |
2972 | } | |
2973 | ||
2974 | static void qeth_l3_qdio_input_handler(struct ccw_device *ccwdev, | |
2975 | unsigned int status, unsigned int qdio_err, | |
2976 | unsigned int siga_err, unsigned int queue, int first_element, | |
2977 | int count, unsigned long card_ptr) | |
2978 | { | |
2979 | struct net_device *net_dev; | |
2980 | struct qeth_card *card; | |
2981 | struct qeth_qdio_buffer *buffer; | |
2982 | int index; | |
2983 | int i; | |
2984 | ||
d11ba0c4 | 2985 | QETH_DBF_TEXT(TRACE, 6, "qdinput"); |
4a71df50 FB |
2986 | card = (struct qeth_card *) card_ptr; |
2987 | net_dev = card->dev; | |
2988 | if (card->options.performance_stats) { | |
2989 | card->perf_stats.inbound_cnt++; | |
2990 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
2991 | } | |
2992 | if (status & QDIO_STATUS_LOOK_FOR_ERROR) { | |
2993 | if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION) { | |
d11ba0c4 PT |
2994 | QETH_DBF_TEXT(TRACE, 1, "qdinchk"); |
2995 | QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card)); | |
2996 | QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", | |
4a71df50 | 2997 | first_element, count); |
d11ba0c4 | 2998 | QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", queue, status); |
4a71df50 FB |
2999 | qeth_schedule_recovery(card); |
3000 | return; | |
3001 | } | |
3002 | } | |
3003 | for (i = first_element; i < (first_element + count); ++i) { | |
3004 | index = i % QDIO_MAX_BUFFERS_PER_Q; | |
3005 | buffer = &card->qdio.in_q->bufs[index]; | |
3006 | if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) && | |
3007 | qeth_check_qdio_errors(buffer->buffer, | |
3008 | qdio_err, siga_err, "qinerr"))) | |
3009 | qeth_l3_process_inbound_buffer(card, buffer, index); | |
3010 | /* clear buffer and give back to hardware */ | |
3011 | qeth_put_buffer_pool_entry(card, buffer->pool_entry); | |
3012 | qeth_queue_input_buffer(card, index); | |
3013 | } | |
3014 | if (card->options.performance_stats) | |
3015 | card->perf_stats.inbound_time += qeth_get_micros() - | |
3016 | card->perf_stats.inbound_start_time; | |
3017 | } | |
3018 | ||
3019 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) | |
3020 | { | |
3021 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3022 | ||
3023 | qeth_l3_create_device_attributes(&gdev->dev); | |
3024 | card->options.layer2 = 0; | |
3025 | card->discipline.input_handler = (qdio_handler_t *) | |
3026 | qeth_l3_qdio_input_handler; | |
3027 | card->discipline.output_handler = (qdio_handler_t *) | |
3028 | qeth_qdio_output_handler; | |
3029 | card->discipline.recover = qeth_l3_recover; | |
3030 | return 0; | |
3031 | } | |
3032 | ||
3033 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
3034 | { | |
3035 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3036 | ||
3037 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
3038 | ||
3039 | if (cgdev->state == CCWGROUP_ONLINE) { | |
3040 | card->use_hard_stop = 1; | |
3041 | qeth_l3_set_offline(cgdev); | |
3042 | } | |
3043 | ||
3044 | if (card->dev) { | |
3045 | unregister_netdev(card->dev); | |
3046 | card->dev = NULL; | |
3047 | } | |
3048 | ||
3049 | qeth_l3_remove_device_attributes(&cgdev->dev); | |
3050 | qeth_l3_clear_ip_list(card, 0, 0); | |
3051 | qeth_l3_clear_ipato_list(card); | |
3052 | return; | |
3053 | } | |
3054 | ||
3055 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
3056 | { | |
3057 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3058 | int rc = 0; | |
3059 | enum qeth_card_states recover_flag; | |
3060 | ||
3061 | BUG_ON(!card); | |
d11ba0c4 PT |
3062 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
3063 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3064 | |
3065 | qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); | |
3066 | if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) { | |
3067 | PRINT_WARN("set_online of card %s interrupted by user!\n", | |
3068 | CARD_BUS_ID(card)); | |
3069 | return -ERESTARTSYS; | |
3070 | } | |
3071 | ||
3072 | recover_flag = card->state; | |
3073 | rc = ccw_device_set_online(CARD_RDEV(card)); | |
3074 | if (rc) { | |
d11ba0c4 | 3075 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3076 | return -EIO; |
3077 | } | |
3078 | rc = ccw_device_set_online(CARD_WDEV(card)); | |
3079 | if (rc) { | |
d11ba0c4 | 3080 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3081 | return -EIO; |
3082 | } | |
3083 | rc = ccw_device_set_online(CARD_DDEV(card)); | |
3084 | if (rc) { | |
d11ba0c4 | 3085 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3086 | return -EIO; |
3087 | } | |
3088 | ||
3089 | rc = qeth_core_hardsetup_card(card); | |
3090 | if (rc) { | |
d11ba0c4 | 3091 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
4a71df50 FB |
3092 | goto out_remove; |
3093 | } | |
3094 | ||
3095 | qeth_l3_query_ipassists(card, QETH_PROT_IPV4); | |
3096 | ||
3097 | if (!card->dev && qeth_l3_setup_netdev(card)) | |
3098 | goto out_remove; | |
3099 | ||
3100 | card->state = CARD_STATE_HARDSETUP; | |
3101 | qeth_print_status_message(card); | |
3102 | ||
3103 | /* softsetup */ | |
d11ba0c4 | 3104 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
3105 | |
3106 | rc = qeth_send_startlan(card); | |
3107 | if (rc) { | |
d11ba0c4 | 3108 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3109 | if (rc == 0xe080) { |
3110 | PRINT_WARN("LAN on card %s if offline! " | |
3111 | "Waiting for STARTLAN from card.\n", | |
3112 | CARD_BUS_ID(card)); | |
3113 | card->lan_online = 0; | |
3114 | } | |
3115 | return rc; | |
3116 | } else | |
3117 | card->lan_online = 1; | |
3118 | qeth_set_large_send(card, card->options.large_send); | |
3119 | ||
3120 | rc = qeth_l3_setadapter_parms(card); | |
3121 | if (rc) | |
d11ba0c4 | 3122 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
4a71df50 FB |
3123 | rc = qeth_l3_start_ipassists(card); |
3124 | if (rc) | |
d11ba0c4 | 3125 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
4a71df50 FB |
3126 | rc = qeth_l3_setrouting_v4(card); |
3127 | if (rc) | |
d11ba0c4 | 3128 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); |
4a71df50 FB |
3129 | rc = qeth_l3_setrouting_v6(card); |
3130 | if (rc) | |
d11ba0c4 | 3131 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); |
4a71df50 FB |
3132 | netif_tx_disable(card->dev); |
3133 | ||
3134 | rc = qeth_init_qdio_queues(card); | |
3135 | if (rc) { | |
d11ba0c4 | 3136 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
4a71df50 FB |
3137 | goto out_remove; |
3138 | } | |
3139 | card->state = CARD_STATE_SOFTSETUP; | |
3140 | netif_carrier_on(card->dev); | |
3141 | ||
3142 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
3143 | if ((recover_flag == CARD_STATE_RECOVER) && recovery_mode) { | |
3144 | qeth_l3_open(card->dev); | |
3145 | qeth_l3_set_multicast_list(card->dev); | |
3146 | } | |
3147 | /* let user_space know that device is online */ | |
3148 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
3149 | return 0; | |
3150 | out_remove: | |
3151 | card->use_hard_stop = 1; | |
3152 | qeth_l3_stop_card(card, 0); | |
3153 | ccw_device_set_offline(CARD_DDEV(card)); | |
3154 | ccw_device_set_offline(CARD_WDEV(card)); | |
3155 | ccw_device_set_offline(CARD_RDEV(card)); | |
3156 | if (recover_flag == CARD_STATE_RECOVER) | |
3157 | card->state = CARD_STATE_RECOVER; | |
3158 | else | |
3159 | card->state = CARD_STATE_DOWN; | |
3160 | return -ENODEV; | |
3161 | } | |
3162 | ||
3163 | static int qeth_l3_set_online(struct ccwgroup_device *gdev) | |
3164 | { | |
3165 | return __qeth_l3_set_online(gdev, 0); | |
3166 | } | |
3167 | ||
3168 | static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, | |
3169 | int recovery_mode) | |
3170 | { | |
3171 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3172 | int rc = 0, rc2 = 0, rc3 = 0; | |
3173 | enum qeth_card_states recover_flag; | |
3174 | ||
d11ba0c4 PT |
3175 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
3176 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
3177 | |
3178 | if (card->dev && netif_carrier_ok(card->dev)) | |
3179 | netif_carrier_off(card->dev); | |
3180 | recover_flag = card->state; | |
3181 | if (qeth_l3_stop_card(card, recovery_mode) == -ERESTARTSYS) { | |
3182 | PRINT_WARN("Stopping card %s interrupted by user!\n", | |
3183 | CARD_BUS_ID(card)); | |
3184 | return -ERESTARTSYS; | |
3185 | } | |
3186 | rc = ccw_device_set_offline(CARD_DDEV(card)); | |
3187 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
3188 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
3189 | if (!rc) | |
3190 | rc = (rc2) ? rc2 : rc3; | |
3191 | if (rc) | |
d11ba0c4 | 3192 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3193 | if (recover_flag == CARD_STATE_UP) |
3194 | card->state = CARD_STATE_RECOVER; | |
3195 | /* let user_space know that device is offline */ | |
3196 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
3197 | return 0; | |
3198 | } | |
3199 | ||
3200 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) | |
3201 | { | |
3202 | return __qeth_l3_set_offline(cgdev, 0); | |
3203 | } | |
3204 | ||
3205 | static int qeth_l3_recover(void *ptr) | |
3206 | { | |
3207 | struct qeth_card *card; | |
3208 | int rc = 0; | |
3209 | ||
3210 | card = (struct qeth_card *) ptr; | |
d11ba0c4 PT |
3211 | QETH_DBF_TEXT(TRACE, 2, "recover1"); |
3212 | QETH_DBF_HEX(TRACE, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3213 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
3214 | return 0; | |
d11ba0c4 | 3215 | QETH_DBF_TEXT(TRACE, 2, "recover2"); |
4a71df50 FB |
3216 | PRINT_WARN("Recovery of device %s started ...\n", |
3217 | CARD_BUS_ID(card)); | |
3218 | card->use_hard_stop = 1; | |
3219 | __qeth_l3_set_offline(card->gdev, 1); | |
3220 | rc = __qeth_l3_set_online(card->gdev, 1); | |
3221 | /* don't run another scheduled recovery */ | |
3222 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); | |
3223 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
3224 | if (!rc) | |
3225 | PRINT_INFO("Device %s successfully recovered!\n", | |
3226 | CARD_BUS_ID(card)); | |
3227 | else | |
3228 | PRINT_INFO("Device %s could not be recovered!\n", | |
3229 | CARD_BUS_ID(card)); | |
3230 | return 0; | |
3231 | } | |
3232 | ||
3233 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) | |
3234 | { | |
3235 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3236 | qeth_l3_clear_ip_list(card, 0, 0); | |
3237 | qeth_qdio_clear_card(card, 0); | |
3238 | qeth_clear_qdio_buffers(card); | |
3239 | } | |
3240 | ||
3241 | struct ccwgroup_driver qeth_l3_ccwgroup_driver = { | |
3242 | .probe = qeth_l3_probe_device, | |
3243 | .remove = qeth_l3_remove_device, | |
3244 | .set_online = qeth_l3_set_online, | |
3245 | .set_offline = qeth_l3_set_offline, | |
3246 | .shutdown = qeth_l3_shutdown, | |
3247 | }; | |
3248 | EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver); | |
3249 | ||
3250 | static int qeth_l3_ip_event(struct notifier_block *this, | |
76fef2b6 | 3251 | unsigned long event, void *ptr) |
4a71df50 FB |
3252 | { |
3253 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3254 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; | |
3255 | struct qeth_ipaddr *addr; | |
3256 | struct qeth_card *card; | |
3257 | ||
c346dca1 | 3258 | if (dev_net(dev) != &init_net) |
76fef2b6 DM |
3259 | return NOTIFY_DONE; |
3260 | ||
d11ba0c4 | 3261 | QETH_DBF_TEXT(TRACE, 3, "ipevent"); |
4a71df50 FB |
3262 | card = qeth_l3_get_card_from_dev(dev); |
3263 | if (!card) | |
3264 | return NOTIFY_DONE; | |
3265 | ||
3266 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
3267 | if (addr != NULL) { | |
3268 | addr->u.a4.addr = ifa->ifa_address; | |
3269 | addr->u.a4.mask = ifa->ifa_mask; | |
3270 | addr->type = QETH_IP_TYPE_NORMAL; | |
3271 | } else | |
3272 | goto out; | |
3273 | ||
3274 | switch (event) { | |
3275 | case NETDEV_UP: | |
3276 | if (!qeth_l3_add_ip(card, addr)) | |
3277 | kfree(addr); | |
3278 | break; | |
3279 | case NETDEV_DOWN: | |
3280 | if (!qeth_l3_delete_ip(card, addr)) | |
3281 | kfree(addr); | |
3282 | break; | |
3283 | default: | |
3284 | break; | |
3285 | } | |
3286 | qeth_l3_set_ip_addr_list(card); | |
3287 | out: | |
3288 | return NOTIFY_DONE; | |
3289 | } | |
3290 | ||
3291 | static struct notifier_block qeth_l3_ip_notifier = { | |
3292 | qeth_l3_ip_event, | |
3293 | NULL, | |
3294 | }; | |
3295 | ||
3296 | #ifdef CONFIG_QETH_IPV6 | |
3297 | /** | |
3298 | * IPv6 event handler | |
3299 | */ | |
3300 | static int qeth_l3_ip6_event(struct notifier_block *this, | |
76fef2b6 | 3301 | unsigned long event, void *ptr) |
4a71df50 FB |
3302 | { |
3303 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
3304 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
3305 | struct qeth_ipaddr *addr; | |
3306 | struct qeth_card *card; | |
3307 | ||
d11ba0c4 | 3308 | QETH_DBF_TEXT(TRACE, 3, "ip6event"); |
4a71df50 FB |
3309 | |
3310 | card = qeth_l3_get_card_from_dev(dev); | |
3311 | if (!card) | |
3312 | return NOTIFY_DONE; | |
3313 | if (!qeth_is_supported(card, IPA_IPV6)) | |
3314 | return NOTIFY_DONE; | |
3315 | ||
3316 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
3317 | if (addr != NULL) { | |
3318 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
3319 | addr->u.a6.pfxlen = ifa->prefix_len; | |
3320 | addr->type = QETH_IP_TYPE_NORMAL; | |
3321 | } else | |
3322 | goto out; | |
3323 | ||
3324 | switch (event) { | |
3325 | case NETDEV_UP: | |
3326 | if (!qeth_l3_add_ip(card, addr)) | |
3327 | kfree(addr); | |
3328 | break; | |
3329 | case NETDEV_DOWN: | |
3330 | if (!qeth_l3_delete_ip(card, addr)) | |
3331 | kfree(addr); | |
3332 | break; | |
3333 | default: | |
3334 | break; | |
3335 | } | |
3336 | qeth_l3_set_ip_addr_list(card); | |
3337 | out: | |
3338 | return NOTIFY_DONE; | |
3339 | } | |
3340 | ||
3341 | static struct notifier_block qeth_l3_ip6_notifier = { | |
3342 | qeth_l3_ip6_event, | |
3343 | NULL, | |
3344 | }; | |
3345 | #endif | |
3346 | ||
3347 | static int qeth_l3_register_notifiers(void) | |
3348 | { | |
3349 | int rc; | |
3350 | ||
d11ba0c4 | 3351 | QETH_DBF_TEXT(TRACE, 5, "regnotif"); |
4a71df50 FB |
3352 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
3353 | if (rc) | |
3354 | return rc; | |
3355 | #ifdef CONFIG_QETH_IPV6 | |
3356 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); | |
3357 | if (rc) { | |
3358 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
3359 | return rc; | |
3360 | } | |
3361 | #else | |
3362 | PRINT_WARN("layer 3 discipline no IPv6 support\n"); | |
3363 | #endif | |
3364 | return 0; | |
3365 | } | |
3366 | ||
3367 | static void qeth_l3_unregister_notifiers(void) | |
3368 | { | |
3369 | ||
d11ba0c4 | 3370 | QETH_DBF_TEXT(TRACE, 5, "unregnot"); |
4a71df50 FB |
3371 | BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
3372 | #ifdef CONFIG_QETH_IPV6 | |
3373 | BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); | |
3374 | #endif /* QETH_IPV6 */ | |
3375 | } | |
3376 | ||
3377 | static int __init qeth_l3_init(void) | |
3378 | { | |
3379 | int rc = 0; | |
3380 | ||
3381 | PRINT_INFO("register layer 3 discipline\n"); | |
3382 | rc = qeth_l3_register_notifiers(); | |
3383 | return rc; | |
3384 | } | |
3385 | ||
3386 | static void __exit qeth_l3_exit(void) | |
3387 | { | |
3388 | qeth_l3_unregister_notifiers(); | |
3389 | PRINT_INFO("unregister layer 3 discipline\n"); | |
3390 | } | |
3391 | ||
3392 | module_init(qeth_l3_init); | |
3393 | module_exit(qeth_l3_exit); | |
3394 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
3395 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
3396 | MODULE_LICENSE("GPL"); |