Commit | Line | Data |
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4a71df50 FB |
1 | /* |
2 | * drivers/s390/net/qeth_l3_main.c | |
3 | * | |
bbcfcdc8 | 4 | * Copyright IBM Corp. 2007, 2009 |
4a71df50 FB |
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 | ||
74eacdb9 FB |
11 | #define KMSG_COMPONENT "qeth" |
12 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt | |
13 | ||
4a71df50 FB |
14 | #include <linux/module.h> |
15 | #include <linux/moduleparam.h> | |
16 | #include <linux/string.h> | |
17 | #include <linux/errno.h> | |
18 | #include <linux/kernel.h> | |
19 | #include <linux/etherdevice.h> | |
20 | #include <linux/mii.h> | |
21 | #include <linux/ip.h> | |
64ef8957 | 22 | #include <linux/ipv6.h> |
4a71df50 FB |
23 | #include <linux/inetdevice.h> |
24 | #include <linux/igmp.h> | |
5a0e3ad6 | 25 | #include <linux/slab.h> |
4a71df50 FB |
26 | |
27 | #include <net/ip.h> | |
28 | #include <net/arp.h> | |
64ef8957 | 29 | #include <net/ip6_checksum.h> |
4a71df50 | 30 | |
4a71df50 | 31 | #include "qeth_l3.h" |
4a71df50 | 32 | |
d0ddf30f | 33 | |
4a71df50 FB |
34 | static int qeth_l3_set_offline(struct ccwgroup_device *); |
35 | static int qeth_l3_recover(void *); | |
36 | static int qeth_l3_stop(struct net_device *); | |
37 | static void qeth_l3_set_multicast_list(struct net_device *); | |
38 | static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *); | |
39 | static int qeth_l3_register_addr_entry(struct qeth_card *, | |
40 | struct qeth_ipaddr *); | |
41 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, | |
42 | struct qeth_ipaddr *); | |
43 | static int __qeth_l3_set_online(struct ccwgroup_device *, int); | |
44 | static int __qeth_l3_set_offline(struct ccwgroup_device *, int); | |
45 | ||
4a71df50 FB |
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 | { | |
963a9fd2 | 80 | sprintf(buf, "%pI6", addr); |
4a71df50 FB |
81 | } |
82 | ||
83 | int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) | |
84 | { | |
85 | const char *end, *end_tmp, *start; | |
86 | __u16 *in; | |
87 | char num[5]; | |
88 | int num2, cnt, out, found, save_cnt; | |
89 | unsigned short in_tmp[8] = {0, }; | |
90 | ||
91 | cnt = out = found = save_cnt = num2 = 0; | |
92 | end = start = buf; | |
93 | in = (__u16 *) addr; | |
94 | memset(in, 0, 16); | |
95 | while (*end) { | |
96 | end = strchr(start, ':'); | |
97 | if (end == NULL) { | |
98 | end = buf + strlen(buf); | |
99 | end_tmp = strchr(start, '\n'); | |
100 | if (end_tmp != NULL) | |
101 | end = end_tmp; | |
102 | out = 1; | |
103 | } | |
104 | if ((end - start)) { | |
105 | memset(num, 0, 5); | |
106 | if ((end - start) > 4) | |
107 | return -EINVAL; | |
108 | memcpy(num, start, end - start); | |
109 | if (!qeth_l3_isxdigit(num)) | |
110 | return -EINVAL; | |
111 | sscanf(start, "%x", &num2); | |
112 | if (found) | |
113 | in_tmp[save_cnt++] = num2; | |
114 | else | |
115 | in[cnt++] = num2; | |
116 | if (out) | |
117 | break; | |
118 | } else { | |
119 | if (found) | |
120 | return -EINVAL; | |
121 | found = 1; | |
122 | } | |
123 | start = ++end; | |
124 | } | |
125 | if (cnt + save_cnt > 8) | |
126 | return -EINVAL; | |
127 | cnt = 7; | |
128 | while (save_cnt) | |
129 | in[cnt--] = in_tmp[--save_cnt]; | |
130 | return 0; | |
131 | } | |
132 | ||
133 | void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, | |
134 | char *buf) | |
135 | { | |
136 | if (proto == QETH_PROT_IPV4) | |
137 | qeth_l3_ipaddr4_to_string(addr, buf); | |
138 | else if (proto == QETH_PROT_IPV6) | |
139 | qeth_l3_ipaddr6_to_string(addr, buf); | |
140 | } | |
141 | ||
142 | int qeth_l3_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, | |
143 | __u8 *addr) | |
144 | { | |
145 | if (proto == QETH_PROT_IPV4) | |
146 | return qeth_l3_string_to_ipaddr4(buf, addr); | |
147 | else if (proto == QETH_PROT_IPV6) | |
148 | return qeth_l3_string_to_ipaddr6(buf, addr); | |
149 | else | |
150 | return -EINVAL; | |
151 | } | |
152 | ||
153 | static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) | |
154 | { | |
155 | int i, j; | |
156 | u8 octet; | |
157 | ||
158 | for (i = 0; i < len; ++i) { | |
159 | octet = addr[i]; | |
160 | for (j = 7; j >= 0; --j) { | |
161 | bits[i*8 + j] = octet & 1; | |
162 | octet >>= 1; | |
163 | } | |
164 | } | |
165 | } | |
166 | ||
6298263a | 167 | int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, |
4a71df50 FB |
168 | struct qeth_ipaddr *addr) |
169 | { | |
170 | struct qeth_ipato_entry *ipatoe; | |
171 | u8 addr_bits[128] = {0, }; | |
172 | u8 ipatoe_bits[128] = {0, }; | |
173 | int rc = 0; | |
174 | ||
175 | if (!card->ipato.enabled) | |
176 | return 0; | |
177 | ||
178 | qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
179 | (addr->proto == QETH_PROT_IPV4)? 4:16); | |
180 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
181 | if (addr->proto != ipatoe->proto) | |
182 | continue; | |
183 | qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
184 | (ipatoe->proto == QETH_PROT_IPV4) ? | |
185 | 4 : 16); | |
186 | if (addr->proto == QETH_PROT_IPV4) | |
187 | rc = !memcmp(addr_bits, ipatoe_bits, | |
188 | min(32, ipatoe->mask_bits)); | |
189 | else | |
190 | rc = !memcmp(addr_bits, ipatoe_bits, | |
191 | min(128, ipatoe->mask_bits)); | |
192 | if (rc) | |
193 | break; | |
194 | } | |
195 | /* invert? */ | |
196 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
197 | rc = !rc; | |
198 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
199 | rc = !rc; | |
200 | ||
201 | return rc; | |
202 | } | |
203 | ||
204 | /* | |
205 | * Add IP to be added to todo list. If there is already an "add todo" | |
206 | * in this list we just incremenent the reference count. | |
207 | * Returns 0 if we just incremented reference count. | |
208 | */ | |
209 | static int __qeth_l3_insert_ip_todo(struct qeth_card *card, | |
210 | struct qeth_ipaddr *addr, int add) | |
211 | { | |
212 | struct qeth_ipaddr *tmp, *t; | |
213 | int found = 0; | |
214 | ||
76b11f8e UB |
215 | if (card->options.sniffer) |
216 | return 0; | |
4a71df50 FB |
217 | list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { |
218 | if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && | |
219 | (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) | |
220 | return 0; | |
221 | if ((tmp->proto == QETH_PROT_IPV4) && | |
222 | (addr->proto == QETH_PROT_IPV4) && | |
223 | (tmp->type == addr->type) && | |
224 | (tmp->is_multicast == addr->is_multicast) && | |
225 | (tmp->u.a4.addr == addr->u.a4.addr) && | |
226 | (tmp->u.a4.mask == addr->u.a4.mask)) { | |
227 | found = 1; | |
228 | break; | |
229 | } | |
230 | if ((tmp->proto == QETH_PROT_IPV6) && | |
231 | (addr->proto == QETH_PROT_IPV6) && | |
232 | (tmp->type == addr->type) && | |
233 | (tmp->is_multicast == addr->is_multicast) && | |
234 | (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && | |
235 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
236 | sizeof(struct in6_addr)) == 0)) { | |
237 | found = 1; | |
238 | break; | |
239 | } | |
240 | } | |
241 | if (found) { | |
242 | if (addr->users != 0) | |
243 | tmp->users += addr->users; | |
244 | else | |
245 | tmp->users += add ? 1 : -1; | |
246 | if (tmp->users == 0) { | |
247 | list_del(&tmp->entry); | |
248 | kfree(tmp); | |
249 | } | |
250 | return 0; | |
251 | } else { | |
252 | if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) | |
253 | list_add(&addr->entry, card->ip_tbd_list); | |
254 | else { | |
255 | if (addr->users == 0) | |
256 | addr->users += add ? 1 : -1; | |
257 | if (add && (addr->type == QETH_IP_TYPE_NORMAL) && | |
258 | qeth_l3_is_addr_covered_by_ipato(card, addr)) { | |
847a50fd | 259 | QETH_CARD_TEXT(card, 2, "tkovaddr"); |
4a71df50 FB |
260 | addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; |
261 | } | |
262 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
263 | } | |
264 | return 1; | |
265 | } | |
266 | } | |
267 | ||
268 | static int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) | |
269 | { | |
270 | unsigned long flags; | |
271 | int rc = 0; | |
272 | ||
847a50fd | 273 | QETH_CARD_TEXT(card, 4, "delip"); |
4a71df50 FB |
274 | |
275 | if (addr->proto == QETH_PROT_IPV4) | |
847a50fd | 276 | QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4); |
4a71df50 | 277 | else { |
847a50fd CO |
278 | QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8); |
279 | QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 FB |
280 | } |
281 | spin_lock_irqsave(&card->ip_lock, flags); | |
282 | rc = __qeth_l3_insert_ip_todo(card, addr, 0); | |
283 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
284 | return rc; | |
285 | } | |
286 | ||
287 | static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) | |
288 | { | |
289 | unsigned long flags; | |
290 | int rc = 0; | |
291 | ||
847a50fd | 292 | QETH_CARD_TEXT(card, 4, "addip"); |
4a71df50 | 293 | if (addr->proto == QETH_PROT_IPV4) |
847a50fd | 294 | QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4); |
4a71df50 | 295 | else { |
847a50fd CO |
296 | QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8); |
297 | QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 FB |
298 | } |
299 | spin_lock_irqsave(&card->ip_lock, flags); | |
300 | rc = __qeth_l3_insert_ip_todo(card, addr, 1); | |
301 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
302 | return rc; | |
303 | } | |
304 | ||
305 | ||
306 | static struct qeth_ipaddr *qeth_l3_get_addr_buffer( | |
307 | enum qeth_prot_versions prot) | |
308 | { | |
309 | struct qeth_ipaddr *addr; | |
310 | ||
311 | addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); | |
312 | if (addr == NULL) { | |
4a71df50 FB |
313 | return NULL; |
314 | } | |
315 | addr->type = QETH_IP_TYPE_NORMAL; | |
316 | addr->proto = prot; | |
317 | return addr; | |
318 | } | |
319 | ||
320 | static void qeth_l3_delete_mc_addresses(struct qeth_card *card) | |
321 | { | |
322 | struct qeth_ipaddr *iptodo; | |
323 | unsigned long flags; | |
324 | ||
847a50fd | 325 | QETH_CARD_TEXT(card, 4, "delmc"); |
4a71df50 FB |
326 | iptodo = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
327 | if (!iptodo) { | |
847a50fd | 328 | QETH_CARD_TEXT(card, 2, "dmcnomem"); |
4a71df50 FB |
329 | return; |
330 | } | |
331 | iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; | |
332 | spin_lock_irqsave(&card->ip_lock, flags); | |
333 | if (!__qeth_l3_insert_ip_todo(card, iptodo, 0)) | |
334 | kfree(iptodo); | |
335 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
336 | } | |
337 | ||
338 | /* | |
339 | * Add/remove address to/from card's ip list, i.e. try to add or remove | |
340 | * reference to/from an IP address that is already registered on the card. | |
341 | * Returns: | |
342 | * 0 address was on card and its reference count has been adjusted, | |
343 | * but is still > 0, so nothing has to be done | |
344 | * also returns 0 if card was not on card and the todo was to delete | |
345 | * the address -> there is also nothing to be done | |
346 | * 1 address was not on card and the todo is to add it to the card's ip | |
347 | * list | |
348 | * -1 address was on card and its reference count has been decremented | |
349 | * to <= 0 by the todo -> address must be removed from card | |
350 | */ | |
351 | static int __qeth_l3_ref_ip_on_card(struct qeth_card *card, | |
352 | struct qeth_ipaddr *todo, struct qeth_ipaddr **__addr) | |
353 | { | |
354 | struct qeth_ipaddr *addr; | |
355 | int found = 0; | |
356 | ||
357 | list_for_each_entry(addr, &card->ip_list, entry) { | |
358 | if ((addr->proto == QETH_PROT_IPV4) && | |
359 | (todo->proto == QETH_PROT_IPV4) && | |
360 | (addr->type == todo->type) && | |
361 | (addr->u.a4.addr == todo->u.a4.addr) && | |
362 | (addr->u.a4.mask == todo->u.a4.mask)) { | |
363 | found = 1; | |
364 | break; | |
365 | } | |
366 | if ((addr->proto == QETH_PROT_IPV6) && | |
367 | (todo->proto == QETH_PROT_IPV6) && | |
368 | (addr->type == todo->type) && | |
369 | (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && | |
370 | (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, | |
371 | sizeof(struct in6_addr)) == 0)) { | |
372 | found = 1; | |
373 | break; | |
374 | } | |
375 | } | |
376 | if (found) { | |
377 | addr->users += todo->users; | |
378 | if (addr->users <= 0) { | |
379 | *__addr = addr; | |
380 | return -1; | |
381 | } else { | |
382 | /* for VIPA and RXIP limit refcount to 1 */ | |
383 | if (addr->type != QETH_IP_TYPE_NORMAL) | |
384 | addr->users = 1; | |
385 | return 0; | |
386 | } | |
387 | } | |
388 | if (todo->users > 0) { | |
389 | /* for VIPA and RXIP limit refcount to 1 */ | |
390 | if (todo->type != QETH_IP_TYPE_NORMAL) | |
391 | todo->users = 1; | |
392 | return 1; | |
393 | } else | |
394 | return 0; | |
395 | } | |
396 | ||
397 | static void __qeth_l3_delete_all_mc(struct qeth_card *card, | |
398 | unsigned long *flags) | |
399 | { | |
2d921c32 | 400 | struct list_head fail_list; |
4a71df50 FB |
401 | struct qeth_ipaddr *addr, *tmp; |
402 | int rc; | |
2d921c32 UB |
403 | |
404 | INIT_LIST_HEAD(&fail_list); | |
4a71df50 FB |
405 | again: |
406 | list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { | |
407 | if (addr->is_multicast) { | |
408 | list_del(&addr->entry); | |
409 | spin_unlock_irqrestore(&card->ip_lock, *flags); | |
410 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
411 | spin_lock_irqsave(&card->ip_lock, *flags); | |
2d921c32 | 412 | if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND)) |
4a71df50 | 413 | kfree(addr); |
2d921c32 UB |
414 | else |
415 | list_add_tail(&addr->entry, &fail_list); | |
416 | goto again; | |
4a71df50 FB |
417 | } |
418 | } | |
2d921c32 | 419 | list_splice(&fail_list, &card->ip_list); |
4a71df50 FB |
420 | } |
421 | ||
422 | static void qeth_l3_set_ip_addr_list(struct qeth_card *card) | |
423 | { | |
424 | struct list_head *tbd_list; | |
425 | struct qeth_ipaddr *todo, *addr; | |
426 | unsigned long flags; | |
427 | int rc; | |
428 | ||
847a50fd CO |
429 | QETH_CARD_TEXT(card, 2, "sdiplist"); |
430 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 | 431 | |
f154b79c EL |
432 | if ((card->state != CARD_STATE_UP && |
433 | card->state != CARD_STATE_SOFTSETUP) || card->options.sniffer) { | |
76b11f8e | 434 | return; |
f154b79c EL |
435 | } |
436 | ||
4a71df50 FB |
437 | spin_lock_irqsave(&card->ip_lock, flags); |
438 | tbd_list = card->ip_tbd_list; | |
439 | card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); | |
440 | if (!card->ip_tbd_list) { | |
847a50fd | 441 | QETH_CARD_TEXT(card, 0, "silnomem"); |
4a71df50 FB |
442 | card->ip_tbd_list = tbd_list; |
443 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
444 | return; | |
445 | } else | |
446 | INIT_LIST_HEAD(card->ip_tbd_list); | |
447 | ||
448 | while (!list_empty(tbd_list)) { | |
449 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); | |
450 | list_del(&todo->entry); | |
451 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC) { | |
452 | __qeth_l3_delete_all_mc(card, &flags); | |
453 | kfree(todo); | |
454 | continue; | |
455 | } | |
456 | rc = __qeth_l3_ref_ip_on_card(card, todo, &addr); | |
457 | if (rc == 0) { | |
458 | /* nothing to be done; only adjusted refcount */ | |
459 | kfree(todo); | |
460 | } else if (rc == 1) { | |
461 | /* new entry to be added to on-card list */ | |
462 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
463 | rc = qeth_l3_register_addr_entry(card, todo); | |
464 | spin_lock_irqsave(&card->ip_lock, flags); | |
3caa4af8 | 465 | if (!rc || (rc == IPA_RC_LAN_OFFLINE)) |
4a71df50 FB |
466 | list_add_tail(&todo->entry, &card->ip_list); |
467 | else | |
468 | kfree(todo); | |
469 | } else if (rc == -1) { | |
470 | /* on-card entry to be removed */ | |
471 | list_del_init(&addr->entry); | |
472 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
473 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
474 | spin_lock_irqsave(&card->ip_lock, flags); | |
76b11f8e | 475 | if (!rc || (rc == IPA_RC_IP_ADDRESS_NOT_DEFINED)) |
4a71df50 FB |
476 | kfree(addr); |
477 | else | |
478 | list_add_tail(&addr->entry, &card->ip_list); | |
479 | kfree(todo); | |
480 | } | |
481 | } | |
482 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
483 | kfree(tbd_list); | |
484 | } | |
485 | ||
70919e23 | 486 | static void qeth_l3_clear_ip_list(struct qeth_card *card, int recover) |
4a71df50 FB |
487 | { |
488 | struct qeth_ipaddr *addr, *tmp; | |
489 | unsigned long flags; | |
490 | ||
847a50fd | 491 | QETH_CARD_TEXT(card, 4, "clearip"); |
76b11f8e UB |
492 | if (recover && card->options.sniffer) |
493 | return; | |
4a71df50 FB |
494 | spin_lock_irqsave(&card->ip_lock, flags); |
495 | /* clear todo list */ | |
496 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) { | |
497 | list_del(&addr->entry); | |
498 | kfree(addr); | |
499 | } | |
500 | ||
501 | while (!list_empty(&card->ip_list)) { | |
502 | addr = list_entry(card->ip_list.next, | |
503 | struct qeth_ipaddr, entry); | |
504 | list_del_init(&addr->entry); | |
4a71df50 FB |
505 | if (!recover || addr->is_multicast) { |
506 | kfree(addr); | |
507 | continue; | |
508 | } | |
509 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
510 | } | |
511 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
512 | } | |
513 | ||
514 | static int qeth_l3_address_exists_in_list(struct list_head *list, | |
515 | struct qeth_ipaddr *addr, int same_type) | |
516 | { | |
517 | struct qeth_ipaddr *tmp; | |
518 | ||
519 | list_for_each_entry(tmp, list, entry) { | |
520 | if ((tmp->proto == QETH_PROT_IPV4) && | |
521 | (addr->proto == QETH_PROT_IPV4) && | |
522 | ((same_type && (tmp->type == addr->type)) || | |
523 | (!same_type && (tmp->type != addr->type))) && | |
524 | (tmp->u.a4.addr == addr->u.a4.addr)) | |
525 | return 1; | |
526 | ||
527 | if ((tmp->proto == QETH_PROT_IPV6) && | |
528 | (addr->proto == QETH_PROT_IPV6) && | |
529 | ((same_type && (tmp->type == addr->type)) || | |
530 | (!same_type && (tmp->type != addr->type))) && | |
531 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
532 | sizeof(struct in6_addr)) == 0)) | |
533 | return 1; | |
534 | ||
535 | } | |
536 | return 0; | |
537 | } | |
538 | ||
539 | static int qeth_l3_send_setdelmc(struct qeth_card *card, | |
540 | struct qeth_ipaddr *addr, int ipacmd) | |
541 | { | |
542 | int rc; | |
543 | struct qeth_cmd_buffer *iob; | |
544 | struct qeth_ipa_cmd *cmd; | |
545 | ||
847a50fd | 546 | QETH_CARD_TEXT(card, 4, "setdelmc"); |
4a71df50 FB |
547 | |
548 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
549 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
550 | memcpy(&cmd->data.setdelipm.mac, addr->mac, OSA_ADDR_LEN); | |
551 | if (addr->proto == QETH_PROT_IPV6) | |
552 | memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, | |
553 | sizeof(struct in6_addr)); | |
554 | else | |
555 | memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr, 4); | |
556 | ||
557 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
558 | ||
559 | return rc; | |
560 | } | |
561 | ||
562 | static void qeth_l3_fill_netmask(u8 *netmask, unsigned int len) | |
563 | { | |
564 | int i, j; | |
565 | for (i = 0; i < 16; i++) { | |
566 | j = (len) - (i * 8); | |
567 | if (j >= 8) | |
568 | netmask[i] = 0xff; | |
569 | else if (j > 0) | |
570 | netmask[i] = (u8)(0xFF00 >> j); | |
571 | else | |
572 | netmask[i] = 0; | |
573 | } | |
574 | } | |
575 | ||
576 | static int qeth_l3_send_setdelip(struct qeth_card *card, | |
577 | struct qeth_ipaddr *addr, int ipacmd, unsigned int flags) | |
578 | { | |
579 | int rc; | |
580 | struct qeth_cmd_buffer *iob; | |
581 | struct qeth_ipa_cmd *cmd; | |
582 | __u8 netmask[16]; | |
583 | ||
847a50fd CO |
584 | QETH_CARD_TEXT(card, 4, "setdelip"); |
585 | QETH_CARD_TEXT_(card, 4, "flags%02X", flags); | |
4a71df50 FB |
586 | |
587 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
588 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
589 | if (addr->proto == QETH_PROT_IPV6) { | |
590 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, | |
591 | sizeof(struct in6_addr)); | |
592 | qeth_l3_fill_netmask(netmask, addr->u.a6.pfxlen); | |
593 | memcpy(cmd->data.setdelip6.mask, netmask, | |
594 | sizeof(struct in6_addr)); | |
595 | cmd->data.setdelip6.flags = flags; | |
596 | } else { | |
597 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); | |
598 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); | |
599 | cmd->data.setdelip4.flags = flags; | |
600 | } | |
601 | ||
602 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
603 | ||
604 | return rc; | |
605 | } | |
606 | ||
607 | static int qeth_l3_send_setrouting(struct qeth_card *card, | |
608 | enum qeth_routing_types type, enum qeth_prot_versions prot) | |
609 | { | |
610 | int rc; | |
611 | struct qeth_ipa_cmd *cmd; | |
612 | struct qeth_cmd_buffer *iob; | |
613 | ||
847a50fd | 614 | QETH_CARD_TEXT(card, 4, "setroutg"); |
4a71df50 FB |
615 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); |
616 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
617 | cmd->data.setrtg.type = (type); | |
618 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
619 | ||
620 | return rc; | |
621 | } | |
622 | ||
623 | static void qeth_l3_correct_routing_type(struct qeth_card *card, | |
624 | enum qeth_routing_types *type, enum qeth_prot_versions prot) | |
625 | { | |
626 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
627 | switch (*type) { | |
628 | case NO_ROUTER: | |
629 | case PRIMARY_CONNECTOR: | |
630 | case SECONDARY_CONNECTOR: | |
631 | case MULTICAST_ROUTER: | |
632 | return; | |
633 | default: | |
634 | goto out_inval; | |
635 | } | |
636 | } else { | |
637 | switch (*type) { | |
638 | case NO_ROUTER: | |
639 | case PRIMARY_ROUTER: | |
640 | case SECONDARY_ROUTER: | |
641 | return; | |
642 | case MULTICAST_ROUTER: | |
643 | if (qeth_is_ipafunc_supported(card, prot, | |
644 | IPA_OSA_MC_ROUTER)) | |
645 | return; | |
646 | default: | |
647 | goto out_inval; | |
648 | } | |
649 | } | |
650 | out_inval: | |
4a71df50 FB |
651 | *type = NO_ROUTER; |
652 | } | |
653 | ||
654 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
655 | { | |
656 | int rc; | |
657 | ||
847a50fd | 658 | QETH_CARD_TEXT(card, 3, "setrtg4"); |
4a71df50 FB |
659 | |
660 | qeth_l3_correct_routing_type(card, &card->options.route4.type, | |
661 | QETH_PROT_IPV4); | |
662 | ||
663 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
664 | QETH_PROT_IPV4); | |
665 | if (rc) { | |
666 | card->options.route4.type = NO_ROUTER; | |
14cc21b6 FB |
667 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
668 | " on %s. Type set to 'no router'.\n", rc, | |
669 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
670 | } |
671 | return rc; | |
672 | } | |
673 | ||
674 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
675 | { | |
676 | int rc = 0; | |
677 | ||
847a50fd | 678 | QETH_CARD_TEXT(card, 3, "setrtg6"); |
4a71df50 FB |
679 | #ifdef CONFIG_QETH_IPV6 |
680 | ||
681 | if (!qeth_is_supported(card, IPA_IPV6)) | |
682 | return 0; | |
683 | qeth_l3_correct_routing_type(card, &card->options.route6.type, | |
684 | QETH_PROT_IPV6); | |
685 | ||
686 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
687 | QETH_PROT_IPV6); | |
688 | if (rc) { | |
689 | card->options.route6.type = NO_ROUTER; | |
14cc21b6 FB |
690 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
691 | " on %s. Type set to 'no router'.\n", rc, | |
692 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
693 | } |
694 | #endif | |
695 | return rc; | |
696 | } | |
697 | ||
698 | /* | |
699 | * IP address takeover related functions | |
700 | */ | |
701 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) | |
702 | { | |
703 | ||
704 | struct qeth_ipato_entry *ipatoe, *tmp; | |
705 | unsigned long flags; | |
706 | ||
707 | spin_lock_irqsave(&card->ip_lock, flags); | |
708 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
709 | list_del(&ipatoe->entry); | |
710 | kfree(ipatoe); | |
711 | } | |
712 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
713 | } | |
714 | ||
715 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
716 | struct qeth_ipato_entry *new) | |
717 | { | |
718 | struct qeth_ipato_entry *ipatoe; | |
719 | unsigned long flags; | |
720 | int rc = 0; | |
721 | ||
847a50fd | 722 | QETH_CARD_TEXT(card, 2, "addipato"); |
4a71df50 FB |
723 | spin_lock_irqsave(&card->ip_lock, flags); |
724 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
725 | if (ipatoe->proto != new->proto) | |
726 | continue; | |
727 | if (!memcmp(ipatoe->addr, new->addr, | |
728 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
729 | (ipatoe->mask_bits == new->mask_bits)) { | |
4a71df50 FB |
730 | rc = -EEXIST; |
731 | break; | |
732 | } | |
733 | } | |
734 | if (!rc) | |
735 | list_add_tail(&new->entry, &card->ipato.entries); | |
736 | ||
737 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
738 | return rc; | |
739 | } | |
740 | ||
741 | void qeth_l3_del_ipato_entry(struct qeth_card *card, | |
742 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) | |
743 | { | |
744 | struct qeth_ipato_entry *ipatoe, *tmp; | |
745 | unsigned long flags; | |
746 | ||
847a50fd | 747 | QETH_CARD_TEXT(card, 2, "delipato"); |
4a71df50 FB |
748 | spin_lock_irqsave(&card->ip_lock, flags); |
749 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
750 | if (ipatoe->proto != proto) | |
751 | continue; | |
752 | if (!memcmp(ipatoe->addr, addr, | |
753 | (proto == QETH_PROT_IPV4)? 4:16) && | |
754 | (ipatoe->mask_bits == mask_bits)) { | |
755 | list_del(&ipatoe->entry); | |
756 | kfree(ipatoe); | |
757 | } | |
758 | } | |
759 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
760 | } | |
761 | ||
762 | /* | |
763 | * VIPA related functions | |
764 | */ | |
765 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
766 | const u8 *addr) | |
767 | { | |
768 | struct qeth_ipaddr *ipaddr; | |
769 | unsigned long flags; | |
770 | int rc = 0; | |
771 | ||
772 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
773 | if (ipaddr) { | |
774 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 775 | QETH_CARD_TEXT(card, 2, "addvipa4"); |
4a71df50 FB |
776 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
777 | ipaddr->u.a4.mask = 0; | |
778 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 779 | QETH_CARD_TEXT(card, 2, "addvipa6"); |
4a71df50 FB |
780 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
781 | ipaddr->u.a6.pfxlen = 0; | |
782 | } | |
783 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
784 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
785 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
786 | } else | |
787 | return -ENOMEM; | |
788 | spin_lock_irqsave(&card->ip_lock, flags); | |
789 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
790 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
791 | rc = -EEXIST; | |
792 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
793 | if (rc) { | |
4a71df50 FB |
794 | return rc; |
795 | } | |
796 | if (!qeth_l3_add_ip(card, ipaddr)) | |
797 | kfree(ipaddr); | |
798 | qeth_l3_set_ip_addr_list(card); | |
799 | return rc; | |
800 | } | |
801 | ||
802 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
803 | const u8 *addr) | |
804 | { | |
805 | struct qeth_ipaddr *ipaddr; | |
806 | ||
807 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
808 | if (ipaddr) { | |
809 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 810 | QETH_CARD_TEXT(card, 2, "delvipa4"); |
4a71df50 FB |
811 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
812 | ipaddr->u.a4.mask = 0; | |
813 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 814 | QETH_CARD_TEXT(card, 2, "delvipa6"); |
4a71df50 FB |
815 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
816 | ipaddr->u.a6.pfxlen = 0; | |
817 | } | |
818 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
819 | } else | |
820 | return; | |
821 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
822 | kfree(ipaddr); | |
823 | qeth_l3_set_ip_addr_list(card); | |
824 | } | |
825 | ||
826 | /* | |
827 | * proxy ARP related functions | |
828 | */ | |
829 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
830 | const u8 *addr) | |
831 | { | |
832 | struct qeth_ipaddr *ipaddr; | |
833 | unsigned long flags; | |
834 | int rc = 0; | |
835 | ||
836 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
837 | if (ipaddr) { | |
838 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 839 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
840 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
841 | ipaddr->u.a4.mask = 0; | |
842 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 843 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
844 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
845 | ipaddr->u.a6.pfxlen = 0; | |
846 | } | |
847 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
848 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
849 | ipaddr->del_flags = 0; | |
850 | } else | |
851 | return -ENOMEM; | |
852 | spin_lock_irqsave(&card->ip_lock, flags); | |
853 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
854 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
855 | rc = -EEXIST; | |
856 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
857 | if (rc) { | |
4a71df50 FB |
858 | return rc; |
859 | } | |
860 | if (!qeth_l3_add_ip(card, ipaddr)) | |
861 | kfree(ipaddr); | |
862 | qeth_l3_set_ip_addr_list(card); | |
863 | return 0; | |
864 | } | |
865 | ||
866 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
867 | const u8 *addr) | |
868 | { | |
869 | struct qeth_ipaddr *ipaddr; | |
870 | ||
871 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
872 | if (ipaddr) { | |
873 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 874 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
875 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
876 | ipaddr->u.a4.mask = 0; | |
877 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 878 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
879 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
880 | ipaddr->u.a6.pfxlen = 0; | |
881 | } | |
882 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
883 | } else | |
884 | return; | |
885 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
886 | kfree(ipaddr); | |
887 | qeth_l3_set_ip_addr_list(card); | |
888 | } | |
889 | ||
890 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
891 | struct qeth_ipaddr *addr) | |
892 | { | |
893 | char buf[50]; | |
894 | int rc = 0; | |
895 | int cnt = 3; | |
896 | ||
897 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
898 | QETH_CARD_TEXT(card, 2, "setaddr4"); |
899 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 900 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
901 | QETH_CARD_TEXT(card, 2, "setaddr6"); |
902 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
903 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 904 | } else { |
847a50fd CO |
905 | QETH_CARD_TEXT(card, 2, "setaddr?"); |
906 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
907 | } |
908 | do { | |
909 | if (addr->is_multicast) | |
910 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
911 | else | |
912 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, | |
913 | addr->set_flags); | |
914 | if (rc) | |
847a50fd | 915 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
916 | } while ((--cnt > 0) && rc); |
917 | if (rc) { | |
847a50fd | 918 | QETH_CARD_TEXT(card, 2, "FAILED"); |
4a71df50 | 919 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
74eacdb9 FB |
920 | dev_warn(&card->gdev->dev, |
921 | "Registering IP address %s failed\n", buf); | |
4a71df50 FB |
922 | } |
923 | return rc; | |
924 | } | |
925 | ||
926 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
927 | struct qeth_ipaddr *addr) | |
928 | { | |
929 | int rc = 0; | |
930 | ||
931 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
932 | QETH_CARD_TEXT(card, 2, "deladdr4"); |
933 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 934 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
935 | QETH_CARD_TEXT(card, 2, "deladdr6"); |
936 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
937 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 938 | } else { |
847a50fd CO |
939 | QETH_CARD_TEXT(card, 2, "deladdr?"); |
940 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
941 | } |
942 | if (addr->is_multicast) | |
943 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
944 | else | |
945 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, | |
946 | addr->del_flags); | |
c4cef07c | 947 | if (rc) |
847a50fd | 948 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
949 | |
950 | return rc; | |
951 | } | |
952 | ||
953 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) | |
954 | { | |
955 | if (cast_type == RTN_MULTICAST) | |
956 | return QETH_CAST_MULTICAST; | |
957 | if (cast_type == RTN_BROADCAST) | |
958 | return QETH_CAST_BROADCAST; | |
959 | return QETH_CAST_UNICAST; | |
960 | } | |
961 | ||
962 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) | |
963 | { | |
964 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
965 | if (cast_type == RTN_MULTICAST) | |
966 | return ct | QETH_CAST_MULTICAST; | |
967 | if (cast_type == RTN_ANYCAST) | |
968 | return ct | QETH_CAST_ANYCAST; | |
969 | if (cast_type == RTN_BROADCAST) | |
970 | return ct | QETH_CAST_BROADCAST; | |
971 | return ct | QETH_CAST_UNICAST; | |
972 | } | |
973 | ||
974 | static int qeth_l3_send_setadp_mode(struct qeth_card *card, __u32 command, | |
975 | __u32 mode) | |
976 | { | |
977 | int rc; | |
978 | struct qeth_cmd_buffer *iob; | |
979 | struct qeth_ipa_cmd *cmd; | |
980 | ||
847a50fd | 981 | QETH_CARD_TEXT(card, 4, "adpmode"); |
4a71df50 FB |
982 | |
983 | iob = qeth_get_adapter_cmd(card, command, | |
984 | sizeof(struct qeth_ipacmd_setadpparms)); | |
985 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
986 | cmd->data.setadapterparms.data.mode = mode; | |
987 | rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, | |
988 | NULL); | |
989 | return rc; | |
990 | } | |
991 | ||
992 | static int qeth_l3_setadapter_hstr(struct qeth_card *card) | |
993 | { | |
994 | int rc; | |
995 | ||
847a50fd | 996 | QETH_CARD_TEXT(card, 4, "adphstr"); |
4a71df50 FB |
997 | |
998 | if (qeth_adp_supported(card, IPA_SETADP_SET_BROADCAST_MODE)) { | |
999 | rc = qeth_l3_send_setadp_mode(card, | |
1000 | IPA_SETADP_SET_BROADCAST_MODE, | |
1001 | card->options.broadcast_mode); | |
1002 | if (rc) | |
14cc21b6 | 1003 | QETH_DBF_MESSAGE(2, "couldn't set broadcast mode on " |
4a71df50 FB |
1004 | "device %s: x%x\n", |
1005 | CARD_BUS_ID(card), rc); | |
1006 | rc = qeth_l3_send_setadp_mode(card, | |
1007 | IPA_SETADP_ALTER_MAC_ADDRESS, | |
1008 | card->options.macaddr_mode); | |
1009 | if (rc) | |
14cc21b6 | 1010 | QETH_DBF_MESSAGE(2, "couldn't set macaddr mode on " |
4a71df50 FB |
1011 | "device %s: x%x\n", CARD_BUS_ID(card), rc); |
1012 | return rc; | |
1013 | } | |
1014 | if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) | |
14cc21b6 | 1015 | QETH_DBF_MESSAGE(2, "set adapter parameters not available " |
4a71df50 FB |
1016 | "to set broadcast mode, using ALLRINGS " |
1017 | "on device %s:\n", CARD_BUS_ID(card)); | |
1018 | if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) | |
14cc21b6 | 1019 | QETH_DBF_MESSAGE(2, "set adapter parameters not available " |
4a71df50 FB |
1020 | "to set macaddr mode, using NONCANONICAL " |
1021 | "on device %s:\n", CARD_BUS_ID(card)); | |
1022 | return 0; | |
1023 | } | |
1024 | ||
1025 | static int qeth_l3_setadapter_parms(struct qeth_card *card) | |
1026 | { | |
1027 | int rc; | |
1028 | ||
d11ba0c4 | 1029 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
4a71df50 FB |
1030 | |
1031 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { | |
74eacdb9 FB |
1032 | dev_info(&card->gdev->dev, |
1033 | "set adapter parameters not supported.\n"); | |
d11ba0c4 | 1034 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
4a71df50 FB |
1035 | return 0; |
1036 | } | |
1037 | rc = qeth_query_setadapterparms(card); | |
1038 | if (rc) { | |
74eacdb9 | 1039 | QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: " |
7f6d95e7 | 1040 | "0x%x\n", dev_name(&card->gdev->dev), rc); |
4a71df50 FB |
1041 | return rc; |
1042 | } | |
1043 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
1044 | rc = qeth_setadpparms_change_macaddr(card); | |
1045 | if (rc) | |
74eacdb9 | 1046 | dev_warn(&card->gdev->dev, "Reading the adapter MAC" |
6ea2fde1 | 1047 | " address failed\n"); |
4a71df50 FB |
1048 | } |
1049 | ||
1050 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || | |
1051 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) | |
1052 | rc = qeth_l3_setadapter_hstr(card); | |
1053 | ||
1054 | return rc; | |
1055 | } | |
1056 | ||
1057 | static int qeth_l3_default_setassparms_cb(struct qeth_card *card, | |
1058 | struct qeth_reply *reply, unsigned long data) | |
1059 | { | |
1060 | struct qeth_ipa_cmd *cmd; | |
1061 | ||
847a50fd | 1062 | QETH_CARD_TEXT(card, 4, "defadpcb"); |
4a71df50 FB |
1063 | |
1064 | cmd = (struct qeth_ipa_cmd *) data; | |
1065 | if (cmd->hdr.return_code == 0) { | |
1066 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
1067 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
1068 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1069 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
1070 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1071 | } | |
1072 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
1073 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1074 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1075 | QETH_CARD_TEXT_(card, 3, "csum:%d", card->info.csum_mask); |
4a71df50 | 1076 | } |
f6b85b6c FB |
1077 | if (cmd->data.setassparms.hdr.assist_no == IPA_OUTBOUND_CHECKSUM && |
1078 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1079 | card->info.tx_csum_mask = | |
1080 | cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1081 | QETH_CARD_TEXT_(card, 3, "tcsu:%d", card->info.tx_csum_mask); |
f6b85b6c FB |
1082 | } |
1083 | ||
4a71df50 FB |
1084 | return 0; |
1085 | } | |
1086 | ||
1087 | static struct qeth_cmd_buffer *qeth_l3_get_setassparms_cmd( | |
1088 | struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, | |
1089 | __u16 len, enum qeth_prot_versions prot) | |
1090 | { | |
1091 | struct qeth_cmd_buffer *iob; | |
1092 | struct qeth_ipa_cmd *cmd; | |
1093 | ||
847a50fd | 1094 | QETH_CARD_TEXT(card, 4, "getasscm"); |
4a71df50 FB |
1095 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETASSPARMS, prot); |
1096 | ||
1097 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1098 | cmd->data.setassparms.hdr.assist_no = ipa_func; | |
1099 | cmd->data.setassparms.hdr.length = 8 + len; | |
1100 | cmd->data.setassparms.hdr.command_code = cmd_code; | |
1101 | cmd->data.setassparms.hdr.return_code = 0; | |
1102 | cmd->data.setassparms.hdr.seq_no = 0; | |
1103 | ||
1104 | return iob; | |
1105 | } | |
1106 | ||
1107 | static int qeth_l3_send_setassparms(struct qeth_card *card, | |
1108 | struct qeth_cmd_buffer *iob, __u16 len, long data, | |
1109 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
1110 | unsigned long), | |
1111 | void *reply_param) | |
1112 | { | |
1113 | int rc; | |
1114 | struct qeth_ipa_cmd *cmd; | |
1115 | ||
847a50fd | 1116 | QETH_CARD_TEXT(card, 4, "sendassp"); |
4a71df50 FB |
1117 | |
1118 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1119 | if (len <= sizeof(__u32)) | |
1120 | cmd->data.setassparms.data.flags_32bit = (__u32) data; | |
1121 | else /* (len > sizeof(__u32)) */ | |
1122 | memcpy(&cmd->data.setassparms.data, (void *) data, len); | |
1123 | ||
1124 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); | |
1125 | return rc; | |
1126 | } | |
1127 | ||
1128 | #ifdef CONFIG_QETH_IPV6 | |
1129 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, | |
1130 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
1131 | { | |
1132 | int rc; | |
1133 | struct qeth_cmd_buffer *iob; | |
1134 | ||
847a50fd | 1135 | QETH_CARD_TEXT(card, 4, "simassp6"); |
4a71df50 FB |
1136 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, |
1137 | 0, QETH_PROT_IPV6); | |
1138 | rc = qeth_l3_send_setassparms(card, iob, 0, 0, | |
1139 | qeth_l3_default_setassparms_cb, NULL); | |
1140 | return rc; | |
1141 | } | |
1142 | #endif | |
1143 | ||
1144 | static int qeth_l3_send_simple_setassparms(struct qeth_card *card, | |
1145 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code, long data) | |
1146 | { | |
1147 | int rc; | |
1148 | int length = 0; | |
1149 | struct qeth_cmd_buffer *iob; | |
1150 | ||
847a50fd | 1151 | QETH_CARD_TEXT(card, 4, "simassp4"); |
4a71df50 FB |
1152 | if (data) |
1153 | length = sizeof(__u32); | |
1154 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, | |
1155 | length, QETH_PROT_IPV4); | |
1156 | rc = qeth_l3_send_setassparms(card, iob, length, data, | |
1157 | qeth_l3_default_setassparms_cb, NULL); | |
1158 | return rc; | |
1159 | } | |
1160 | ||
1161 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) | |
1162 | { | |
1163 | int rc; | |
1164 | ||
847a50fd | 1165 | QETH_CARD_TEXT(card, 3, "ipaarp"); |
4a71df50 FB |
1166 | |
1167 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
74eacdb9 FB |
1168 | dev_info(&card->gdev->dev, |
1169 | "ARP processing not supported on %s!\n", | |
1170 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1171 | return 0; |
1172 | } | |
1173 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
1174 | IPA_CMD_ASS_START, 0); | |
1175 | if (rc) { | |
74eacdb9 FB |
1176 | dev_warn(&card->gdev->dev, |
1177 | "Starting ARP processing support for %s failed\n", | |
1178 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1179 | } |
1180 | return rc; | |
1181 | } | |
1182 | ||
1183 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) | |
1184 | { | |
1185 | int rc; | |
1186 | ||
847a50fd | 1187 | QETH_CARD_TEXT(card, 3, "ipaipfrg"); |
4a71df50 FB |
1188 | |
1189 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
74eacdb9 FB |
1190 | dev_info(&card->gdev->dev, |
1191 | "Hardware IP fragmentation not supported on %s\n", | |
1192 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1193 | return -EOPNOTSUPP; |
1194 | } | |
1195 | ||
1196 | rc = qeth_l3_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, | |
1197 | IPA_CMD_ASS_START, 0); | |
1198 | if (rc) { | |
74eacdb9 FB |
1199 | dev_warn(&card->gdev->dev, |
1200 | "Starting IP fragmentation support for %s failed\n", | |
1201 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1202 | } else |
74eacdb9 FB |
1203 | dev_info(&card->gdev->dev, |
1204 | "Hardware IP fragmentation enabled \n"); | |
4a71df50 FB |
1205 | return rc; |
1206 | } | |
1207 | ||
1208 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) | |
1209 | { | |
1210 | int rc; | |
1211 | ||
847a50fd | 1212 | QETH_CARD_TEXT(card, 3, "stsrcmac"); |
4a71df50 | 1213 | |
4a71df50 | 1214 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
74eacdb9 | 1215 | dev_info(&card->gdev->dev, |
fe94e2e0 | 1216 | "Inbound source MAC-address not supported on %s\n", |
74eacdb9 | 1217 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1218 | return -EOPNOTSUPP; |
1219 | } | |
1220 | ||
1221 | rc = qeth_l3_send_simple_setassparms(card, IPA_SOURCE_MAC, | |
1222 | IPA_CMD_ASS_START, 0); | |
1223 | if (rc) | |
74eacdb9 | 1224 | dev_warn(&card->gdev->dev, |
fe94e2e0 | 1225 | "Starting source MAC-address support for %s failed\n", |
74eacdb9 | 1226 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1227 | return rc; |
1228 | } | |
1229 | ||
1230 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
1231 | { | |
1232 | int rc = 0; | |
1233 | ||
847a50fd | 1234 | QETH_CARD_TEXT(card, 3, "strtvlan"); |
4a71df50 FB |
1235 | |
1236 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
74eacdb9 FB |
1237 | dev_info(&card->gdev->dev, |
1238 | "VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1239 | return -EOPNOTSUPP; |
1240 | } | |
1241 | ||
1242 | rc = qeth_l3_send_simple_setassparms(card, IPA_VLAN_PRIO, | |
1243 | IPA_CMD_ASS_START, 0); | |
1244 | if (rc) { | |
74eacdb9 FB |
1245 | dev_warn(&card->gdev->dev, |
1246 | "Starting VLAN support for %s failed\n", | |
1247 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1248 | } else { |
74eacdb9 | 1249 | dev_info(&card->gdev->dev, "VLAN enabled\n"); |
4a71df50 FB |
1250 | } |
1251 | return rc; | |
1252 | } | |
1253 | ||
1254 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
1255 | { | |
1256 | int rc; | |
1257 | ||
847a50fd | 1258 | QETH_CARD_TEXT(card, 3, "stmcast"); |
4a71df50 FB |
1259 | |
1260 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
74eacdb9 FB |
1261 | dev_info(&card->gdev->dev, |
1262 | "Multicast not supported on %s\n", | |
1263 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1264 | return -EOPNOTSUPP; |
1265 | } | |
1266 | ||
1267 | rc = qeth_l3_send_simple_setassparms(card, IPA_MULTICASTING, | |
1268 | IPA_CMD_ASS_START, 0); | |
1269 | if (rc) { | |
74eacdb9 FB |
1270 | dev_warn(&card->gdev->dev, |
1271 | "Starting multicast support for %s failed\n", | |
1272 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1273 | } else { |
74eacdb9 | 1274 | dev_info(&card->gdev->dev, "Multicast enabled\n"); |
4a71df50 FB |
1275 | card->dev->flags |= IFF_MULTICAST; |
1276 | } | |
1277 | return rc; | |
1278 | } | |
1279 | ||
1280 | static int qeth_l3_query_ipassists_cb(struct qeth_card *card, | |
1281 | struct qeth_reply *reply, unsigned long data) | |
1282 | { | |
1283 | struct qeth_ipa_cmd *cmd; | |
1284 | ||
d11ba0c4 | 1285 | QETH_DBF_TEXT(SETUP, 2, "qipasscb"); |
4a71df50 FB |
1286 | |
1287 | cmd = (struct qeth_ipa_cmd *) data; | |
1288 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) { | |
1289 | card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; | |
1290 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1291 | } else { | |
1292 | card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; | |
1293 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1294 | } | |
d11ba0c4 PT |
1295 | QETH_DBF_TEXT(SETUP, 2, "suppenbl"); |
1296 | QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_supported); | |
1297 | QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_enabled); | |
4a71df50 FB |
1298 | return 0; |
1299 | } | |
1300 | ||
1301 | static int qeth_l3_query_ipassists(struct qeth_card *card, | |
1302 | enum qeth_prot_versions prot) | |
1303 | { | |
1304 | int rc; | |
1305 | struct qeth_cmd_buffer *iob; | |
1306 | ||
d11ba0c4 | 1307 | QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot); |
4a71df50 FB |
1308 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot); |
1309 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_query_ipassists_cb, NULL); | |
1310 | return rc; | |
1311 | } | |
1312 | ||
1313 | #ifdef CONFIG_QETH_IPV6 | |
1314 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) | |
1315 | { | |
1316 | int rc; | |
1317 | ||
847a50fd | 1318 | QETH_CARD_TEXT(card, 3, "softipv6"); |
4a71df50 FB |
1319 | |
1320 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1321 | goto out; | |
1322 | ||
1323 | rc = qeth_l3_query_ipassists(card, QETH_PROT_IPV6); | |
1324 | if (rc) { | |
74eacdb9 FB |
1325 | dev_err(&card->gdev->dev, |
1326 | "Activating IPv6 support for %s failed\n", | |
1327 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1328 | return rc; |
1329 | } | |
1330 | rc = qeth_l3_send_simple_setassparms(card, IPA_IPV6, | |
1331 | IPA_CMD_ASS_START, 3); | |
1332 | if (rc) { | |
74eacdb9 FB |
1333 | dev_err(&card->gdev->dev, |
1334 | "Activating IPv6 support for %s failed\n", | |
1335 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1336 | return rc; |
1337 | } | |
1338 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
1339 | IPA_CMD_ASS_START); | |
1340 | if (rc) { | |
74eacdb9 FB |
1341 | dev_err(&card->gdev->dev, |
1342 | "Activating IPv6 support for %s failed\n", | |
1343 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1344 | return rc; |
1345 | } | |
1346 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
1347 | IPA_CMD_ASS_START); | |
1348 | if (rc) { | |
74eacdb9 FB |
1349 | dev_warn(&card->gdev->dev, |
1350 | "Enabling the passthrough mode for %s failed\n", | |
1351 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1352 | return rc; |
1353 | } | |
1354 | out: | |
74eacdb9 | 1355 | dev_info(&card->gdev->dev, "IPV6 enabled\n"); |
4a71df50 FB |
1356 | return 0; |
1357 | } | |
1358 | #endif | |
1359 | ||
1360 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
1361 | { | |
1362 | int rc = 0; | |
1363 | ||
847a50fd | 1364 | QETH_CARD_TEXT(card, 3, "strtipv6"); |
4a71df50 FB |
1365 | |
1366 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
74eacdb9 FB |
1367 | dev_info(&card->gdev->dev, |
1368 | "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1369 | return 0; |
1370 | } | |
1371 | #ifdef CONFIG_QETH_IPV6 | |
1372 | rc = qeth_l3_softsetup_ipv6(card); | |
1373 | #endif | |
1374 | return rc ; | |
1375 | } | |
1376 | ||
1377 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
1378 | { | |
1379 | int rc; | |
1380 | ||
847a50fd | 1381 | QETH_CARD_TEXT(card, 3, "stbrdcst"); |
4a71df50 FB |
1382 | card->info.broadcast_capable = 0; |
1383 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
74eacdb9 FB |
1384 | dev_info(&card->gdev->dev, |
1385 | "Broadcast not supported on %s\n", | |
1386 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1387 | rc = -EOPNOTSUPP; |
1388 | goto out; | |
1389 | } | |
1390 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1391 | IPA_CMD_ASS_START, 0); | |
1392 | if (rc) { | |
74eacdb9 FB |
1393 | dev_warn(&card->gdev->dev, "Enabling broadcast filtering for " |
1394 | "%s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1395 | goto out; |
1396 | } | |
1397 | ||
1398 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1399 | IPA_CMD_ASS_CONFIGURE, 1); | |
1400 | if (rc) { | |
74eacdb9 FB |
1401 | dev_warn(&card->gdev->dev, |
1402 | "Setting up broadcast filtering for %s failed\n", | |
1403 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1404 | goto out; |
1405 | } | |
1406 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
74eacdb9 | 1407 | dev_info(&card->gdev->dev, "Broadcast enabled\n"); |
4a71df50 FB |
1408 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, |
1409 | IPA_CMD_ASS_ENABLE, 1); | |
1410 | if (rc) { | |
74eacdb9 FB |
1411 | dev_warn(&card->gdev->dev, "Setting up broadcast echo " |
1412 | "filtering for %s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1413 | goto out; |
1414 | } | |
1415 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
1416 | out: | |
1417 | if (card->info.broadcast_capable) | |
1418 | card->dev->flags |= IFF_BROADCAST; | |
1419 | else | |
1420 | card->dev->flags &= ~IFF_BROADCAST; | |
1421 | return rc; | |
1422 | } | |
1423 | ||
1424 | static int qeth_l3_send_checksum_command(struct qeth_card *card) | |
1425 | { | |
1426 | int rc; | |
1427 | ||
1428 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1429 | IPA_CMD_ASS_START, 0); | |
1430 | if (rc) { | |
74eacdb9 FB |
1431 | dev_warn(&card->gdev->dev, "Starting HW checksumming for %s " |
1432 | "failed, using SW checksumming\n", | |
1433 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1434 | return rc; |
1435 | } | |
1436 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1437 | IPA_CMD_ASS_ENABLE, | |
1438 | card->info.csum_mask); | |
1439 | if (rc) { | |
74eacdb9 FB |
1440 | dev_warn(&card->gdev->dev, "Enabling HW checksumming for %s " |
1441 | "failed, using SW checksumming\n", | |
1442 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1443 | return rc; |
1444 | } | |
1445 | return 0; | |
1446 | } | |
1447 | ||
3fd434d8 FB |
1448 | int qeth_l3_set_rx_csum(struct qeth_card *card, |
1449 | enum qeth_checksum_types csum_type) | |
1450 | { | |
1451 | int rc = 0; | |
1452 | ||
1453 | if (card->options.checksum_type == HW_CHECKSUMMING) { | |
1454 | if ((csum_type != HW_CHECKSUMMING) && | |
1455 | (card->state != CARD_STATE_DOWN)) { | |
1456 | rc = qeth_l3_send_simple_setassparms(card, | |
1457 | IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); | |
1458 | if (rc) | |
1459 | return -EIO; | |
1460 | } | |
6204b47e | 1461 | card->dev->features |= NETIF_F_RXCSUM; |
3fd434d8 FB |
1462 | } else { |
1463 | if (csum_type == HW_CHECKSUMMING) { | |
1464 | if (card->state != CARD_STATE_DOWN) { | |
1465 | if (!qeth_is_supported(card, | |
1466 | IPA_INBOUND_CHECKSUM)) | |
1467 | return -EPERM; | |
1468 | rc = qeth_l3_send_checksum_command(card); | |
1469 | if (rc) | |
1470 | return -EIO; | |
1471 | } | |
1472 | } | |
6204b47e | 1473 | card->dev->features &= ~NETIF_F_RXCSUM; |
3fd434d8 FB |
1474 | } |
1475 | card->options.checksum_type = csum_type; | |
1476 | return rc; | |
1477 | } | |
1478 | ||
4a71df50 FB |
1479 | static int qeth_l3_start_ipa_checksum(struct qeth_card *card) |
1480 | { | |
1481 | int rc = 0; | |
1482 | ||
847a50fd | 1483 | QETH_CARD_TEXT(card, 3, "strtcsum"); |
4a71df50 FB |
1484 | |
1485 | if (card->options.checksum_type == NO_CHECKSUMMING) { | |
74eacdb9 FB |
1486 | dev_info(&card->gdev->dev, |
1487 | "Using no checksumming on %s.\n", | |
1488 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1489 | return 0; |
1490 | } | |
1491 | if (card->options.checksum_type == SW_CHECKSUMMING) { | |
74eacdb9 FB |
1492 | dev_info(&card->gdev->dev, |
1493 | "Using SW checksumming on %s.\n", | |
1494 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1495 | return 0; |
1496 | } | |
1497 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { | |
74eacdb9 FB |
1498 | dev_info(&card->gdev->dev, |
1499 | "Inbound HW Checksumming not " | |
1500 | "supported on %s,\ncontinuing " | |
1501 | "using Inbound SW Checksumming\n", | |
1502 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1503 | card->options.checksum_type = SW_CHECKSUMMING; |
1504 | return 0; | |
1505 | } | |
1506 | rc = qeth_l3_send_checksum_command(card); | |
1507 | if (!rc) | |
74eacdb9 FB |
1508 | dev_info(&card->gdev->dev, |
1509 | "HW Checksumming (inbound) enabled\n"); | |
4a71df50 FB |
1510 | |
1511 | return rc; | |
1512 | } | |
1513 | ||
f6b85b6c FB |
1514 | static int qeth_l3_start_ipa_tx_checksum(struct qeth_card *card) |
1515 | { | |
1516 | int rc = 0; | |
1517 | ||
1518 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) | |
1519 | return rc; | |
1520 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1521 | IPA_CMD_ASS_START, 0); | |
1522 | if (rc) | |
1523 | goto err_out; | |
1524 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1525 | IPA_CMD_ASS_ENABLE, card->info.tx_csum_mask); | |
1526 | if (rc) | |
1527 | goto err_out; | |
1528 | dev_info(&card->gdev->dev, "HW TX Checksumming enabled\n"); | |
1529 | return rc; | |
1530 | err_out: | |
1531 | dev_warn(&card->gdev->dev, "Enabling HW TX checksumming for %s " | |
1532 | "failed, using SW TX checksumming\n", QETH_CARD_IFNAME(card)); | |
1533 | return rc; | |
1534 | } | |
1535 | ||
4a71df50 FB |
1536 | static int qeth_l3_start_ipa_tso(struct qeth_card *card) |
1537 | { | |
1538 | int rc; | |
1539 | ||
847a50fd | 1540 | QETH_CARD_TEXT(card, 3, "sttso"); |
4a71df50 FB |
1541 | |
1542 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
74eacdb9 FB |
1543 | dev_info(&card->gdev->dev, |
1544 | "Outbound TSO not supported on %s\n", | |
1545 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1546 | rc = -EOPNOTSUPP; |
1547 | } else { | |
1548 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_TSO, | |
1549 | IPA_CMD_ASS_START, 0); | |
1550 | if (rc) | |
74eacdb9 FB |
1551 | dev_warn(&card->gdev->dev, "Starting outbound TCP " |
1552 | "segmentation offload for %s failed\n", | |
1553 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1554 | else |
74eacdb9 FB |
1555 | dev_info(&card->gdev->dev, |
1556 | "Outbound TSO enabled\n"); | |
4a71df50 | 1557 | } |
6204b47e MM |
1558 | if (rc) |
1559 | card->dev->features &= ~NETIF_F_TSO; | |
4a71df50 FB |
1560 | return rc; |
1561 | } | |
1562 | ||
1563 | static int qeth_l3_start_ipassists(struct qeth_card *card) | |
1564 | { | |
847a50fd | 1565 | QETH_CARD_TEXT(card, 3, "strtipas"); |
d64ecc22 EL |
1566 | |
1567 | qeth_set_access_ctrl_online(card); /* go on*/ | |
4a71df50 FB |
1568 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
1569 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ | |
1570 | qeth_l3_start_ipa_source_mac(card); /* go on*/ | |
1571 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
1572 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
1573 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
1574 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
1575 | qeth_l3_start_ipa_checksum(card); /* go on*/ | |
f6b85b6c | 1576 | qeth_l3_start_ipa_tx_checksum(card); |
4a71df50 FB |
1577 | qeth_l3_start_ipa_tso(card); /* go on*/ |
1578 | return 0; | |
1579 | } | |
1580 | ||
4a71df50 FB |
1581 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
1582 | struct qeth_reply *reply, unsigned long data) | |
1583 | { | |
1584 | struct qeth_ipa_cmd *cmd; | |
1585 | ||
1586 | cmd = (struct qeth_ipa_cmd *) data; | |
1587 | if (cmd->hdr.return_code == 0) | |
1588 | memcpy(card->dev->dev_addr, | |
1589 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); | |
1590 | else | |
1591 | random_ether_addr(card->dev->dev_addr); | |
1592 | ||
1593 | return 0; | |
1594 | } | |
1595 | ||
1596 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
1597 | { | |
1598 | int rc = 0; | |
1599 | struct qeth_cmd_buffer *iob; | |
1600 | struct qeth_ipa_cmd *cmd; | |
1601 | ||
d11ba0c4 | 1602 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
4a71df50 FB |
1603 | |
1604 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1605 | QETH_PROT_IPV6); | |
1606 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1607 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1608 | card->info.unique_id; | |
1609 | ||
1610 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
1611 | NULL); | |
1612 | return rc; | |
1613 | } | |
1614 | ||
1615 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
1616 | struct qeth_reply *reply, unsigned long data) | |
1617 | { | |
1618 | struct qeth_ipa_cmd *cmd; | |
1619 | ||
1620 | cmd = (struct qeth_ipa_cmd *) data; | |
1621 | if (cmd->hdr.return_code == 0) | |
1622 | card->info.unique_id = *((__u16 *) | |
1623 | &cmd->data.create_destroy_addr.unique_id[6]); | |
1624 | else { | |
1625 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1626 | UNIQUE_ID_NOT_BY_CARD; | |
74eacdb9 FB |
1627 | dev_warn(&card->gdev->dev, "The network adapter failed to " |
1628 | "generate a unique ID\n"); | |
4a71df50 FB |
1629 | } |
1630 | return 0; | |
1631 | } | |
1632 | ||
1633 | static int qeth_l3_get_unique_id(struct qeth_card *card) | |
1634 | { | |
1635 | int rc = 0; | |
1636 | struct qeth_cmd_buffer *iob; | |
1637 | struct qeth_ipa_cmd *cmd; | |
1638 | ||
d11ba0c4 | 1639 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
4a71df50 FB |
1640 | |
1641 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1642 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1643 | UNIQUE_ID_NOT_BY_CARD; | |
1644 | return 0; | |
1645 | } | |
1646 | ||
1647 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1648 | QETH_PROT_IPV6); | |
1649 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1650 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1651 | card->info.unique_id; | |
1652 | ||
1653 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); | |
1654 | return rc; | |
1655 | } | |
1656 | ||
76b11f8e UB |
1657 | static int |
1658 | qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1659 | unsigned long data) | |
1660 | { | |
1661 | struct qeth_ipa_cmd *cmd; | |
1662 | __u16 rc; | |
1663 | ||
1664 | QETH_DBF_TEXT(SETUP, 2, "diastrcb"); | |
1665 | ||
1666 | cmd = (struct qeth_ipa_cmd *)data; | |
1667 | rc = cmd->hdr.return_code; | |
a959189a | 1668 | if (rc) |
847a50fd | 1669 | QETH_CARD_TEXT_(card, 2, "dxter%x", rc); |
76b11f8e UB |
1670 | switch (cmd->data.diagass.action) { |
1671 | case QETH_DIAGS_CMD_TRACE_QUERY: | |
1672 | break; | |
1673 | case QETH_DIAGS_CMD_TRACE_DISABLE: | |
a959189a UB |
1674 | switch (rc) { |
1675 | case 0: | |
1676 | case IPA_RC_INVALID_SUBCMD: | |
1677 | card->info.promisc_mode = SET_PROMISC_MODE_OFF; | |
1678 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1679 | "traffic analyzer is deactivated\n"); | |
1680 | break; | |
1681 | default: | |
1682 | break; | |
1683 | } | |
76b11f8e UB |
1684 | break; |
1685 | case QETH_DIAGS_CMD_TRACE_ENABLE: | |
a959189a UB |
1686 | switch (rc) { |
1687 | case 0: | |
1688 | card->info.promisc_mode = SET_PROMISC_MODE_ON; | |
1689 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1690 | "traffic analyzer is activated\n"); | |
1691 | break; | |
1692 | case IPA_RC_HARDWARE_AUTH_ERROR: | |
1693 | dev_warn(&card->gdev->dev, "The device is not " | |
1694 | "authorized to run as a HiperSockets network " | |
1695 | "traffic analyzer\n"); | |
1696 | break; | |
1697 | case IPA_RC_TRACE_ALREADY_ACTIVE: | |
1698 | dev_warn(&card->gdev->dev, "A HiperSockets " | |
1699 | "network traffic analyzer is already " | |
1700 | "active in the HiperSockets LAN\n"); | |
1701 | break; | |
1702 | default: | |
1703 | break; | |
1704 | } | |
76b11f8e UB |
1705 | break; |
1706 | default: | |
1707 | QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n", | |
1708 | cmd->data.diagass.action, QETH_CARD_IFNAME(card)); | |
1709 | } | |
1710 | ||
1711 | return 0; | |
1712 | } | |
1713 | ||
1714 | static int | |
1715 | qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) | |
1716 | { | |
1717 | struct qeth_cmd_buffer *iob; | |
1718 | struct qeth_ipa_cmd *cmd; | |
1719 | ||
1720 | QETH_DBF_TEXT(SETUP, 2, "diagtrac"); | |
1721 | ||
1722 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
1723 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1724 | cmd->data.diagass.subcmd_len = 16; | |
1725 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE; | |
1726 | cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET; | |
1727 | cmd->data.diagass.action = diags_cmd; | |
1728 | return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL); | |
1729 | } | |
1730 | ||
4a71df50 FB |
1731 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, |
1732 | struct net_device *dev) | |
1733 | { | |
1734 | if (dev->type == ARPHRD_IEEE802_TR) | |
1735 | ip_tr_mc_map(ipm, mac); | |
1736 | else | |
1737 | ip_eth_mc_map(ipm, mac); | |
1738 | } | |
1739 | ||
1740 | static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
1741 | { | |
1742 | struct qeth_ipaddr *ipm; | |
1743 | struct ip_mc_list *im4; | |
1744 | char buf[MAX_ADDR_LEN]; | |
1745 | ||
847a50fd | 1746 | QETH_CARD_TEXT(card, 4, "addmc"); |
f3aa3136 SS |
1747 | for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; |
1748 | im4 = rcu_dereference(im4->next_rcu)) { | |
4a71df50 FB |
1749 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); |
1750 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1751 | if (!ipm) | |
1752 | continue; | |
1753 | ipm->u.a4.addr = im4->multiaddr; | |
1754 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1755 | ipm->is_multicast = 1; | |
1756 | if (!qeth_l3_add_ip(card, ipm)) | |
1757 | kfree(ipm); | |
1758 | } | |
1759 | } | |
1760 | ||
1761 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) | |
1762 | { | |
1763 | struct in_device *in_dev; | |
1764 | struct vlan_group *vg; | |
1765 | int i; | |
1766 | ||
847a50fd | 1767 | QETH_CARD_TEXT(card, 4, "addmcvl"); |
4a71df50 FB |
1768 | if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL)) |
1769 | return; | |
1770 | ||
1771 | vg = card->vlangrp; | |
b738127d | 1772 | for (i = 0; i < VLAN_N_VID; i++) { |
4a71df50 FB |
1773 | struct net_device *netdev = vlan_group_get_device(vg, i); |
1774 | if (netdev == NULL || | |
1775 | !(netdev->flags & IFF_UP)) | |
1776 | continue; | |
1777 | in_dev = in_dev_get(netdev); | |
1778 | if (!in_dev) | |
1779 | continue; | |
f3aa3136 | 1780 | rcu_read_lock(); |
4a71df50 | 1781 | qeth_l3_add_mc(card, in_dev); |
f3aa3136 | 1782 | rcu_read_unlock(); |
4a71df50 FB |
1783 | in_dev_put(in_dev); |
1784 | } | |
1785 | } | |
1786 | ||
1787 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) | |
1788 | { | |
1789 | struct in_device *in4_dev; | |
1790 | ||
847a50fd | 1791 | QETH_CARD_TEXT(card, 4, "chkmcv4"); |
4a71df50 FB |
1792 | in4_dev = in_dev_get(card->dev); |
1793 | if (in4_dev == NULL) | |
1794 | return; | |
f3aa3136 | 1795 | rcu_read_lock(); |
4a71df50 FB |
1796 | qeth_l3_add_mc(card, in4_dev); |
1797 | qeth_l3_add_vlan_mc(card); | |
f3aa3136 | 1798 | rcu_read_unlock(); |
4a71df50 FB |
1799 | in_dev_put(in4_dev); |
1800 | } | |
1801 | ||
1802 | #ifdef CONFIG_QETH_IPV6 | |
1803 | static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
1804 | { | |
1805 | struct qeth_ipaddr *ipm; | |
1806 | struct ifmcaddr6 *im6; | |
1807 | char buf[MAX_ADDR_LEN]; | |
1808 | ||
847a50fd | 1809 | QETH_CARD_TEXT(card, 4, "addmc6"); |
4a71df50 FB |
1810 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
1811 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
1812 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1813 | if (!ipm) | |
1814 | continue; | |
1815 | ipm->is_multicast = 1; | |
1816 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1817 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, | |
1818 | sizeof(struct in6_addr)); | |
1819 | if (!qeth_l3_add_ip(card, ipm)) | |
1820 | kfree(ipm); | |
1821 | } | |
1822 | } | |
1823 | ||
1824 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) | |
1825 | { | |
1826 | struct inet6_dev *in_dev; | |
1827 | struct vlan_group *vg; | |
1828 | int i; | |
1829 | ||
847a50fd | 1830 | QETH_CARD_TEXT(card, 4, "admc6vl"); |
4a71df50 FB |
1831 | if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL)) |
1832 | return; | |
1833 | ||
1834 | vg = card->vlangrp; | |
b738127d | 1835 | for (i = 0; i < VLAN_N_VID; i++) { |
4a71df50 FB |
1836 | struct net_device *netdev = vlan_group_get_device(vg, i); |
1837 | if (netdev == NULL || | |
1838 | !(netdev->flags & IFF_UP)) | |
1839 | continue; | |
1840 | in_dev = in6_dev_get(netdev); | |
1841 | if (!in_dev) | |
1842 | continue; | |
1843 | read_lock_bh(&in_dev->lock); | |
1844 | qeth_l3_add_mc6(card, in_dev); | |
1845 | read_unlock_bh(&in_dev->lock); | |
1846 | in6_dev_put(in_dev); | |
1847 | } | |
1848 | } | |
1849 | ||
1850 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) | |
1851 | { | |
1852 | struct inet6_dev *in6_dev; | |
1853 | ||
847a50fd | 1854 | QETH_CARD_TEXT(card, 4, "chkmcv6"); |
4a71df50 FB |
1855 | if (!qeth_is_supported(card, IPA_IPV6)) |
1856 | return ; | |
1857 | in6_dev = in6_dev_get(card->dev); | |
1858 | if (in6_dev == NULL) | |
1859 | return; | |
1860 | read_lock_bh(&in6_dev->lock); | |
1861 | qeth_l3_add_mc6(card, in6_dev); | |
1862 | qeth_l3_add_vlan_mc6(card); | |
1863 | read_unlock_bh(&in6_dev->lock); | |
1864 | in6_dev_put(in6_dev); | |
1865 | } | |
1866 | #endif /* CONFIG_QETH_IPV6 */ | |
1867 | ||
1868 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, | |
1869 | unsigned short vid) | |
1870 | { | |
1871 | struct in_device *in_dev; | |
1872 | struct in_ifaddr *ifa; | |
1873 | struct qeth_ipaddr *addr; | |
1874 | ||
847a50fd | 1875 | QETH_CARD_TEXT(card, 4, "frvaddr4"); |
4a71df50 FB |
1876 | |
1877 | in_dev = in_dev_get(vlan_group_get_device(card->vlangrp, vid)); | |
1878 | if (!in_dev) | |
1879 | return; | |
1880 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
1881 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1882 | if (addr) { | |
1883 | addr->u.a4.addr = ifa->ifa_address; | |
1884 | addr->u.a4.mask = ifa->ifa_mask; | |
1885 | addr->type = QETH_IP_TYPE_NORMAL; | |
1886 | if (!qeth_l3_delete_ip(card, addr)) | |
1887 | kfree(addr); | |
1888 | } | |
1889 | } | |
1890 | in_dev_put(in_dev); | |
1891 | } | |
1892 | ||
1893 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, | |
1894 | unsigned short vid) | |
1895 | { | |
1896 | #ifdef CONFIG_QETH_IPV6 | |
1897 | struct inet6_dev *in6_dev; | |
1898 | struct inet6_ifaddr *ifa; | |
1899 | struct qeth_ipaddr *addr; | |
1900 | ||
847a50fd | 1901 | QETH_CARD_TEXT(card, 4, "frvaddr6"); |
4a71df50 FB |
1902 | |
1903 | in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid)); | |
1904 | if (!in6_dev) | |
1905 | return; | |
70f60a22 | 1906 | list_for_each_entry(ifa, &in6_dev->addr_list, if_list) { |
4a71df50 FB |
1907 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
1908 | if (addr) { | |
1909 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
1910 | sizeof(struct in6_addr)); | |
1911 | addr->u.a6.pfxlen = ifa->prefix_len; | |
1912 | addr->type = QETH_IP_TYPE_NORMAL; | |
1913 | if (!qeth_l3_delete_ip(card, addr)) | |
1914 | kfree(addr); | |
1915 | } | |
1916 | } | |
1917 | in6_dev_put(in6_dev); | |
1918 | #endif /* CONFIG_QETH_IPV6 */ | |
1919 | } | |
1920 | ||
1921 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, | |
1922 | unsigned short vid) | |
1923 | { | |
1924 | if (!card->vlangrp) | |
1925 | return; | |
1926 | qeth_l3_free_vlan_addresses4(card, vid); | |
1927 | qeth_l3_free_vlan_addresses6(card, vid); | |
1928 | } | |
1929 | ||
1930 | static void qeth_l3_vlan_rx_register(struct net_device *dev, | |
1931 | struct vlan_group *grp) | |
1932 | { | |
509e2562 | 1933 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
1934 | unsigned long flags; |
1935 | ||
847a50fd | 1936 | QETH_CARD_TEXT(card, 4, "vlanreg"); |
4a71df50 FB |
1937 | spin_lock_irqsave(&card->vlanlock, flags); |
1938 | card->vlangrp = grp; | |
1939 | spin_unlock_irqrestore(&card->vlanlock, flags); | |
1940 | } | |
1941 | ||
1942 | static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) | |
1943 | { | |
4a71df50 FB |
1944 | return; |
1945 | } | |
1946 | ||
1947 | static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) | |
1948 | { | |
509e2562 | 1949 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
1950 | unsigned long flags; |
1951 | ||
847a50fd | 1952 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
8e98ac48 | 1953 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 1954 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e98ac48 UB |
1955 | return; |
1956 | } | |
4a71df50 FB |
1957 | spin_lock_irqsave(&card->vlanlock, flags); |
1958 | /* unregister IP addresses of vlan device */ | |
1959 | qeth_l3_free_vlan_addresses(card, vid); | |
1960 | vlan_group_set_device(card->vlangrp, vid, NULL); | |
1961 | spin_unlock_irqrestore(&card->vlanlock, flags); | |
1962 | qeth_l3_set_multicast_list(card->dev); | |
1963 | } | |
1964 | ||
10651db7 UB |
1965 | static inline int qeth_l3_rebuild_skb(struct qeth_card *card, |
1966 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
1967 | unsigned short *vlan_id) | |
4a71df50 | 1968 | { |
4a71df50 FB |
1969 | __be16 prot; |
1970 | struct iphdr *ip_hdr; | |
1971 | unsigned char tg_addr[MAX_ADDR_LEN]; | |
10651db7 | 1972 | int is_vlan = 0; |
4a71df50 FB |
1973 | |
1974 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { | |
1975 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
1976 | ETH_P_IP); | |
1977 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { | |
1978 | case QETH_CAST_MULTICAST: | |
1979 | switch (prot) { | |
1980 | #ifdef CONFIG_QETH_IPV6 | |
1981 | case __constant_htons(ETH_P_IPV6): | |
1982 | ndisc_mc_map((struct in6_addr *) | |
1983 | skb->data + 24, | |
1984 | tg_addr, card->dev, 0); | |
1985 | break; | |
1986 | #endif | |
1987 | case __constant_htons(ETH_P_IP): | |
1988 | ip_hdr = (struct iphdr *)skb->data; | |
1989 | (card->dev->type == ARPHRD_IEEE802_TR) ? | |
1990 | ip_tr_mc_map(ip_hdr->daddr, tg_addr): | |
1991 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); | |
1992 | break; | |
1993 | default: | |
1994 | memcpy(tg_addr, card->dev->broadcast, | |
1995 | card->dev->addr_len); | |
1996 | } | |
1997 | card->stats.multicast++; | |
1998 | skb->pkt_type = PACKET_MULTICAST; | |
1999 | break; | |
2000 | case QETH_CAST_BROADCAST: | |
2001 | memcpy(tg_addr, card->dev->broadcast, | |
2002 | card->dev->addr_len); | |
2003 | card->stats.multicast++; | |
2004 | skb->pkt_type = PACKET_BROADCAST; | |
2005 | break; | |
2006 | case QETH_CAST_UNICAST: | |
2007 | case QETH_CAST_ANYCAST: | |
2008 | case QETH_CAST_NOCAST: | |
2009 | default: | |
76b11f8e UB |
2010 | if (card->options.sniffer) |
2011 | skb->pkt_type = PACKET_OTHERHOST; | |
2012 | else | |
2013 | skb->pkt_type = PACKET_HOST; | |
4a71df50 FB |
2014 | memcpy(tg_addr, card->dev->dev_addr, |
2015 | card->dev->addr_len); | |
2016 | } | |
fe94e2e0 UB |
2017 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) |
2018 | card->dev->header_ops->create(skb, card->dev, prot, | |
2019 | tg_addr, &hdr->hdr.l3.dest_addr[2], | |
2020 | card->dev->addr_len); | |
2021 | else | |
2022 | card->dev->header_ops->create(skb, card->dev, prot, | |
2023 | tg_addr, "FAKELL", card->dev->addr_len); | |
4a71df50 FB |
2024 | } |
2025 | ||
2026 | #ifdef CONFIG_TR | |
2027 | if (card->dev->type == ARPHRD_IEEE802_TR) | |
2028 | skb->protocol = tr_type_trans(skb, card->dev); | |
2029 | else | |
2030 | #endif | |
2031 | skb->protocol = eth_type_trans(skb, card->dev); | |
2032 | ||
2033 | if (hdr->hdr.l3.ext_flags & | |
2034 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
10651db7 | 2035 | *vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ? |
4a71df50 | 2036 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); |
10651db7 | 2037 | is_vlan = 1; |
4a71df50 FB |
2038 | } |
2039 | ||
b9139800 UB |
2040 | switch (card->options.checksum_type) { |
2041 | case SW_CHECKSUMMING: | |
2042 | skb->ip_summed = CHECKSUM_NONE; | |
2043 | break; | |
2044 | case NO_CHECKSUMMING: | |
2045 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
2046 | break; | |
2047 | case HW_CHECKSUMMING: | |
4a71df50 | 2048 | if ((hdr->hdr.l3.ext_flags & |
b9139800 UB |
2049 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
2050 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
2051 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
2052 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) | |
4a71df50 FB |
2053 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
2054 | else | |
b9139800 | 2055 | skb->ip_summed = CHECKSUM_NONE; |
4a71df50 FB |
2056 | } |
2057 | ||
10651db7 | 2058 | return is_vlan; |
4a71df50 FB |
2059 | } |
2060 | ||
a1c3ed4c FB |
2061 | static int qeth_l3_process_inbound_buffer(struct qeth_card *card, |
2062 | int budget, int *done) | |
4a71df50 | 2063 | { |
a1c3ed4c | 2064 | int work_done = 0; |
4a71df50 FB |
2065 | struct sk_buff *skb; |
2066 | struct qeth_hdr *hdr; | |
4a71df50 | 2067 | __u16 vlan_tag = 0; |
10651db7 | 2068 | int is_vlan; |
4a71df50 | 2069 | unsigned int len; |
4a71df50 | 2070 | |
a1c3ed4c FB |
2071 | *done = 0; |
2072 | BUG_ON(!budget); | |
2073 | while (budget) { | |
2074 | skb = qeth_core_get_next_skb(card, | |
2075 | card->qdio.in_q->bufs[card->rx.b_index].buffer, | |
2076 | &card->rx.b_element, &card->rx.e_offset, &hdr); | |
2077 | if (!skb) { | |
2078 | *done = 1; | |
2079 | break; | |
2080 | } | |
2081 | skb->dev = card->dev; | |
4a71df50 FB |
2082 | switch (hdr->hdr.l3.id) { |
2083 | case QETH_HEADER_TYPE_LAYER3: | |
10651db7 UB |
2084 | is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, |
2085 | &vlan_tag); | |
4a71df50 | 2086 | len = skb->len; |
10651db7 UB |
2087 | if (is_vlan && !card->options.sniffer) |
2088 | vlan_gro_receive(&card->napi, card->vlangrp, | |
2089 | vlan_tag, skb); | |
4a71df50 | 2090 | else |
a1c3ed4c | 2091 | napi_gro_receive(&card->napi, skb); |
4a71df50 | 2092 | break; |
76b11f8e UB |
2093 | case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */ |
2094 | skb->pkt_type = PACKET_HOST; | |
2095 | skb->protocol = eth_type_trans(skb, skb->dev); | |
76b11f8e UB |
2096 | len = skb->len; |
2097 | netif_receive_skb(skb); | |
2098 | break; | |
4a71df50 FB |
2099 | default: |
2100 | dev_kfree_skb_any(skb); | |
847a50fd | 2101 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 2102 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
2103 | continue; |
2104 | } | |
a1c3ed4c FB |
2105 | work_done++; |
2106 | budget--; | |
4a71df50 FB |
2107 | card->stats.rx_packets++; |
2108 | card->stats.rx_bytes += len; | |
2109 | } | |
a1c3ed4c FB |
2110 | return work_done; |
2111 | } | |
2112 | ||
2113 | static int qeth_l3_poll(struct napi_struct *napi, int budget) | |
2114 | { | |
2115 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
2116 | int work_done = 0; | |
2117 | struct qeth_qdio_buffer *buffer; | |
2118 | int done; | |
2119 | int new_budget = budget; | |
2120 | ||
2121 | if (card->options.performance_stats) { | |
2122 | card->perf_stats.inbound_cnt++; | |
2123 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
2124 | } | |
2125 | ||
2126 | while (1) { | |
2127 | if (!card->rx.b_count) { | |
2128 | card->rx.qdio_err = 0; | |
2129 | card->rx.b_count = qdio_get_next_buffers( | |
2130 | card->data.ccwdev, 0, &card->rx.b_index, | |
2131 | &card->rx.qdio_err); | |
2132 | if (card->rx.b_count <= 0) { | |
2133 | card->rx.b_count = 0; | |
2134 | break; | |
2135 | } | |
2136 | card->rx.b_element = | |
2137 | &card->qdio.in_q->bufs[card->rx.b_index] | |
2138 | .buffer->element[0]; | |
2139 | card->rx.e_offset = 0; | |
2140 | } | |
2141 | ||
2142 | while (card->rx.b_count) { | |
2143 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
2144 | if (!(card->rx.qdio_err && | |
2145 | qeth_check_qdio_errors(card, buffer->buffer, | |
2146 | card->rx.qdio_err, "qinerr"))) | |
2147 | work_done += qeth_l3_process_inbound_buffer( | |
2148 | card, new_budget, &done); | |
2149 | else | |
2150 | done = 1; | |
2151 | ||
2152 | if (done) { | |
2153 | if (card->options.performance_stats) | |
2154 | card->perf_stats.bufs_rec++; | |
2155 | qeth_put_buffer_pool_entry(card, | |
2156 | buffer->pool_entry); | |
2157 | qeth_queue_input_buffer(card, card->rx.b_index); | |
2158 | card->rx.b_count--; | |
2159 | if (card->rx.b_count) { | |
2160 | card->rx.b_index = | |
2161 | (card->rx.b_index + 1) % | |
2162 | QDIO_MAX_BUFFERS_PER_Q; | |
2163 | card->rx.b_element = | |
2164 | &card->qdio.in_q | |
2165 | ->bufs[card->rx.b_index] | |
2166 | .buffer->element[0]; | |
2167 | card->rx.e_offset = 0; | |
2168 | } | |
2169 | } | |
2170 | ||
2171 | if (work_done >= budget) | |
2172 | goto out; | |
2173 | else | |
2174 | new_budget = budget - work_done; | |
2175 | } | |
2176 | } | |
2177 | ||
2178 | napi_complete(napi); | |
2179 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
2180 | napi_schedule(&card->napi); | |
2181 | out: | |
2182 | if (card->options.performance_stats) | |
2183 | card->perf_stats.inbound_time += qeth_get_micros() - | |
2184 | card->perf_stats.inbound_start_time; | |
2185 | return work_done; | |
4a71df50 FB |
2186 | } |
2187 | ||
2188 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, | |
2189 | struct qeth_card *card) | |
2190 | { | |
2191 | int rc = 0; | |
2192 | struct vlan_group *vg; | |
2193 | int i; | |
2194 | ||
2195 | vg = card->vlangrp; | |
2196 | if (!vg) | |
2197 | return rc; | |
2198 | ||
b738127d | 2199 | for (i = 0; i < VLAN_N_VID; i++) { |
4a71df50 FB |
2200 | if (vlan_group_get_device(vg, i) == dev) { |
2201 | rc = QETH_VLAN_CARD; | |
2202 | break; | |
2203 | } | |
2204 | } | |
2205 | ||
509e2562 | 2206 | if (rc && !(vlan_dev_real_dev(dev)->ml_priv == (void *)card)) |
4a71df50 FB |
2207 | return 0; |
2208 | ||
2209 | return rc; | |
2210 | } | |
2211 | ||
2212 | static int qeth_l3_verify_dev(struct net_device *dev) | |
2213 | { | |
2214 | struct qeth_card *card; | |
2215 | unsigned long flags; | |
2216 | int rc = 0; | |
2217 | ||
2218 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
2219 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
2220 | if (card->dev == dev) { | |
2221 | rc = QETH_REAL_CARD; | |
2222 | break; | |
2223 | } | |
2224 | rc = qeth_l3_verify_vlan_dev(dev, card); | |
2225 | if (rc) | |
2226 | break; | |
2227 | } | |
2228 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
2229 | ||
2230 | return rc; | |
2231 | } | |
2232 | ||
2233 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) | |
2234 | { | |
2235 | struct qeth_card *card = NULL; | |
2236 | int rc; | |
2237 | ||
2238 | rc = qeth_l3_verify_dev(dev); | |
2239 | if (rc == QETH_REAL_CARD) | |
509e2562 | 2240 | card = dev->ml_priv; |
4a71df50 | 2241 | else if (rc == QETH_VLAN_CARD) |
509e2562 | 2242 | card = vlan_dev_real_dev(dev)->ml_priv; |
e5bd7be5 | 2243 | if (card && card->options.layer2) |
4a71df50 | 2244 | card = NULL; |
847a50fd CO |
2245 | if (card) |
2246 | QETH_CARD_TEXT_(card, 4, "%d", rc); | |
4a71df50 FB |
2247 | return card ; |
2248 | } | |
2249 | ||
2250 | static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) | |
2251 | { | |
2252 | int rc = 0; | |
2253 | ||
d11ba0c4 PT |
2254 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
2255 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
2256 | |
2257 | qeth_set_allowed_threads(card, 0, 1); | |
76b11f8e UB |
2258 | if (card->options.sniffer && |
2259 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) | |
2260 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); | |
4a71df50 FB |
2261 | if (card->read.state == CH_STATE_UP && |
2262 | card->write.state == CH_STATE_UP && | |
2263 | (card->state == CARD_STATE_UP)) { | |
2264 | if (recovery_mode) | |
2265 | qeth_l3_stop(card->dev); | |
8af7c5ae | 2266 | else { |
869da90b UB |
2267 | rtnl_lock(); |
2268 | dev_close(card->dev); | |
2269 | rtnl_unlock(); | |
8af7c5ae | 2270 | } |
4a71df50 FB |
2271 | card->state = CARD_STATE_SOFTSETUP; |
2272 | } | |
2273 | if (card->state == CARD_STATE_SOFTSETUP) { | |
70919e23 | 2274 | qeth_l3_clear_ip_list(card, 1); |
4a71df50 FB |
2275 | qeth_clear_ipacmd_list(card); |
2276 | card->state = CARD_STATE_HARDSETUP; | |
2277 | } | |
2278 | if (card->state == CARD_STATE_HARDSETUP) { | |
4a71df50 FB |
2279 | qeth_qdio_clear_card(card, 0); |
2280 | qeth_clear_qdio_buffers(card); | |
2281 | qeth_clear_working_pool_list(card); | |
2282 | card->state = CARD_STATE_DOWN; | |
2283 | } | |
2284 | if (card->state == CARD_STATE_DOWN) { | |
2285 | qeth_clear_cmd_buffers(&card->read); | |
2286 | qeth_clear_cmd_buffers(&card->write); | |
2287 | } | |
4a71df50 FB |
2288 | return rc; |
2289 | } | |
2290 | ||
76b11f8e UB |
2291 | /* |
2292 | * test for and Switch promiscuous mode (on or off) | |
2293 | * either for guestlan or HiperSocket Sniffer | |
2294 | */ | |
2295 | static void | |
2296 | qeth_l3_handle_promisc_mode(struct qeth_card *card) | |
2297 | { | |
2298 | struct net_device *dev = card->dev; | |
2299 | ||
2300 | if (((dev->flags & IFF_PROMISC) && | |
2301 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
2302 | (!(dev->flags & IFF_PROMISC) && | |
2303 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
2304 | return; | |
2305 | ||
2306 | if (card->info.guestlan) { /* Guestlan trace */ | |
2307 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2308 | qeth_setadp_promisc_mode(card); | |
2309 | } else if (card->options.sniffer && /* HiperSockets trace */ | |
2310 | qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) { | |
2311 | if (dev->flags & IFF_PROMISC) { | |
847a50fd | 2312 | QETH_CARD_TEXT(card, 3, "+promisc"); |
76b11f8e UB |
2313 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE); |
2314 | } else { | |
847a50fd | 2315 | QETH_CARD_TEXT(card, 3, "-promisc"); |
76b11f8e UB |
2316 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); |
2317 | } | |
2318 | } | |
2319 | } | |
2320 | ||
4a71df50 FB |
2321 | static void qeth_l3_set_multicast_list(struct net_device *dev) |
2322 | { | |
509e2562 | 2323 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 2324 | |
847a50fd | 2325 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
2326 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
2327 | (card->state != CARD_STATE_UP)) | |
2328 | return; | |
76b11f8e UB |
2329 | if (!card->options.sniffer) { |
2330 | qeth_l3_delete_mc_addresses(card); | |
2331 | qeth_l3_add_multicast_ipv4(card); | |
4a71df50 | 2332 | #ifdef CONFIG_QETH_IPV6 |
76b11f8e | 2333 | qeth_l3_add_multicast_ipv6(card); |
4a71df50 | 2334 | #endif |
76b11f8e UB |
2335 | qeth_l3_set_ip_addr_list(card); |
2336 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2337 | return; | |
2338 | } | |
2339 | qeth_l3_handle_promisc_mode(card); | |
4a71df50 FB |
2340 | } |
2341 | ||
2342 | static const char *qeth_l3_arp_get_error_cause(int *rc) | |
2343 | { | |
2344 | switch (*rc) { | |
2345 | case QETH_IPA_ARP_RC_FAILED: | |
2346 | *rc = -EIO; | |
2347 | return "operation failed"; | |
2348 | case QETH_IPA_ARP_RC_NOTSUPP: | |
2349 | *rc = -EOPNOTSUPP; | |
2350 | return "operation not supported"; | |
2351 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
2352 | *rc = -EINVAL; | |
2353 | return "argument out of range"; | |
2354 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
2355 | *rc = -EOPNOTSUPP; | |
2356 | return "query operation not supported"; | |
2357 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
2358 | *rc = -ENOENT; | |
2359 | return "no query data available"; | |
2360 | default: | |
2361 | return "unknown error"; | |
2362 | } | |
2363 | } | |
2364 | ||
2365 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
2366 | { | |
2367 | int tmp; | |
2368 | int rc; | |
2369 | ||
847a50fd | 2370 | QETH_CARD_TEXT(card, 3, "arpstnoe"); |
4a71df50 FB |
2371 | |
2372 | /* | |
2373 | * currently GuestLAN only supports the ARP assist function | |
2374 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
2375 | * thus we say EOPNOTSUPP for this ARP function | |
2376 | */ | |
2377 | if (card->info.guestlan) | |
2378 | return -EOPNOTSUPP; | |
2379 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2380 | return -EOPNOTSUPP; |
2381 | } | |
2382 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2383 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, | |
2384 | no_entries); | |
2385 | if (rc) { | |
2386 | tmp = rc; | |
14cc21b6 FB |
2387 | QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on " |
2388 | "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2389 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2390 | } | |
2391 | return rc; | |
2392 | } | |
2393 | ||
d0ddf30f EL |
2394 | static __u32 get_arp_entry_size(struct qeth_card *card, |
2395 | struct qeth_arp_query_data *qdata, | |
2396 | struct qeth_arp_entrytype *type, __u8 strip_entries) | |
4a71df50 | 2397 | { |
d0ddf30f EL |
2398 | __u32 rc; |
2399 | __u8 is_hsi; | |
4a71df50 | 2400 | |
d0ddf30f EL |
2401 | is_hsi = qdata->reply_bits == 5; |
2402 | if (type->ip == QETHARP_IP_ADDR_V4) { | |
2403 | QETH_CARD_TEXT(card, 4, "arpev4"); | |
2404 | if (strip_entries) { | |
2405 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : | |
2406 | sizeof(struct qeth_arp_qi_entry7_short); | |
2407 | } else { | |
2408 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : | |
2409 | sizeof(struct qeth_arp_qi_entry7); | |
2410 | } | |
2411 | } else if (type->ip == QETHARP_IP_ADDR_V6) { | |
2412 | QETH_CARD_TEXT(card, 4, "arpev6"); | |
2413 | if (strip_entries) { | |
2414 | rc = is_hsi ? | |
2415 | sizeof(struct qeth_arp_qi_entry5_short_ipv6) : | |
2416 | sizeof(struct qeth_arp_qi_entry7_short_ipv6); | |
2417 | } else { | |
2418 | rc = is_hsi ? | |
2419 | sizeof(struct qeth_arp_qi_entry5_ipv6) : | |
2420 | sizeof(struct qeth_arp_qi_entry7_ipv6); | |
2421 | } | |
2422 | } else { | |
2423 | QETH_CARD_TEXT(card, 4, "arpinv"); | |
2424 | rc = 0; | |
4a71df50 | 2425 | } |
d0ddf30f EL |
2426 | |
2427 | return rc; | |
2428 | } | |
2429 | ||
2430 | static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) | |
2431 | { | |
2432 | return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || | |
2433 | (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); | |
4a71df50 FB |
2434 | } |
2435 | ||
2436 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
2437 | struct qeth_reply *reply, unsigned long data) | |
2438 | { | |
2439 | struct qeth_ipa_cmd *cmd; | |
2440 | struct qeth_arp_query_data *qdata; | |
2441 | struct qeth_arp_query_info *qinfo; | |
4a71df50 | 2442 | int i; |
d0ddf30f EL |
2443 | int e; |
2444 | int entrybytes_done; | |
2445 | int stripped_bytes; | |
2446 | __u8 do_strip_entries; | |
4a71df50 | 2447 | |
d0ddf30f | 2448 | QETH_CARD_TEXT(card, 3, "arpquecb"); |
4a71df50 FB |
2449 | |
2450 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
2451 | cmd = (struct qeth_ipa_cmd *) data; | |
d0ddf30f | 2452 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); |
4a71df50 | 2453 | if (cmd->hdr.return_code) { |
d0ddf30f EL |
2454 | QETH_CARD_TEXT(card, 4, "arpcberr"); |
2455 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2456 | return 0; |
2457 | } | |
2458 | if (cmd->data.setassparms.hdr.return_code) { | |
2459 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d0ddf30f EL |
2460 | QETH_CARD_TEXT(card, 4, "setaperr"); |
2461 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2462 | return 0; |
2463 | } | |
2464 | qdata = &cmd->data.setassparms.data.query_arp; | |
847a50fd | 2465 | QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); |
4a71df50 | 2466 | |
d0ddf30f EL |
2467 | do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; |
2468 | stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; | |
2469 | entrybytes_done = 0; | |
2470 | for (e = 0; e < qdata->no_entries; ++e) { | |
2471 | char *cur_entry; | |
2472 | __u32 esize; | |
2473 | struct qeth_arp_entrytype *etype; | |
2474 | ||
2475 | cur_entry = &qdata->data + entrybytes_done; | |
2476 | etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; | |
2477 | if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { | |
2478 | QETH_CARD_TEXT(card, 4, "pmis"); | |
2479 | QETH_CARD_TEXT_(card, 4, "%i", etype->ip); | |
2480 | break; | |
2481 | } | |
2482 | esize = get_arp_entry_size(card, qdata, etype, | |
2483 | do_strip_entries); | |
2484 | QETH_CARD_TEXT_(card, 5, "esz%i", esize); | |
2485 | if (!esize) | |
2486 | break; | |
2487 | ||
2488 | if ((qinfo->udata_len - qinfo->udata_offset) < esize) { | |
2489 | QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); | |
2490 | cmd->hdr.return_code = -ENOMEM; | |
2491 | goto out_error; | |
2492 | } | |
4a71df50 | 2493 | |
d0ddf30f EL |
2494 | memcpy(qinfo->udata + qinfo->udata_offset, |
2495 | &qdata->data + entrybytes_done + stripped_bytes, | |
2496 | esize); | |
2497 | entrybytes_done += esize + stripped_bytes; | |
2498 | qinfo->udata_offset += esize; | |
2499 | ++qinfo->no_entries; | |
2500 | } | |
4a71df50 FB |
2501 | /* check if all replies received ... */ |
2502 | if (cmd->data.setassparms.hdr.seq_no < | |
2503 | cmd->data.setassparms.hdr.number_of_replies) | |
2504 | return 1; | |
d0ddf30f | 2505 | QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); |
4a71df50 FB |
2506 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
2507 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
2508 | * stripped entries from normal ones */ | |
2509 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2510 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
2511 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
d0ddf30f | 2512 | QETH_CARD_TEXT_(card, 4, "rc%i", 0); |
4a71df50 FB |
2513 | return 0; |
2514 | out_error: | |
2515 | i = 0; | |
2516 | memcpy(qinfo->udata, &i, 4); | |
2517 | return 0; | |
2518 | } | |
2519 | ||
2520 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, | |
2521 | struct qeth_cmd_buffer *iob, int len, | |
2522 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
2523 | unsigned long), | |
2524 | void *reply_param) | |
2525 | { | |
847a50fd | 2526 | QETH_CARD_TEXT(card, 4, "sendarp"); |
4a71df50 FB |
2527 | |
2528 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2529 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2530 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2531 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
2532 | reply_cb, reply_param); | |
2533 | } | |
2534 | ||
d0ddf30f EL |
2535 | static int qeth_l3_query_arp_cache_info(struct qeth_card *card, |
2536 | enum qeth_prot_versions prot, | |
2537 | struct qeth_arp_query_info *qinfo) | |
4a71df50 FB |
2538 | { |
2539 | struct qeth_cmd_buffer *iob; | |
d0ddf30f | 2540 | struct qeth_ipa_cmd *cmd; |
4a71df50 FB |
2541 | int tmp; |
2542 | int rc; | |
2543 | ||
d0ddf30f EL |
2544 | QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); |
2545 | ||
2546 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2547 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
2548 | sizeof(struct qeth_arp_query_data) - sizeof(char), | |
2549 | prot); | |
2550 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2551 | cmd->data.setassparms.data.query_arp.request_bits = 0x000F; | |
2552 | cmd->data.setassparms.data.query_arp.reply_bits = 0; | |
2553 | cmd->data.setassparms.data.query_arp.no_entries = 0; | |
2554 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, | |
2555 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
2556 | qeth_l3_arp_query_cb, (void *)qinfo); | |
2557 | if (rc) { | |
2558 | tmp = rc; | |
2559 | QETH_DBF_MESSAGE(2, | |
2560 | "Error while querying ARP cache on %s: %s " | |
2561 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2562 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2563 | } | |
2564 | ||
2565 | return rc; | |
2566 | } | |
2567 | ||
2568 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
2569 | { | |
2570 | struct qeth_arp_query_info qinfo = {0, }; | |
2571 | int rc; | |
2572 | ||
847a50fd | 2573 | QETH_CARD_TEXT(card, 3, "arpquery"); |
4a71df50 FB |
2574 | |
2575 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
2576 | IPA_ARP_PROCESSING)) { | |
d0ddf30f EL |
2577 | QETH_CARD_TEXT(card, 3, "arpqnsup"); |
2578 | rc = -EOPNOTSUPP; | |
2579 | goto out; | |
4a71df50 FB |
2580 | } |
2581 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
d0ddf30f EL |
2582 | if (copy_from_user(&qinfo, udata, 6)) { |
2583 | rc = -EFAULT; | |
2584 | goto out; | |
2585 | } | |
4a71df50 | 2586 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
d0ddf30f EL |
2587 | if (!qinfo.udata) { |
2588 | rc = -ENOMEM; | |
2589 | goto out; | |
2590 | } | |
4a71df50 | 2591 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
d0ddf30f | 2592 | rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); |
4a71df50 | 2593 | if (rc) { |
4a71df50 FB |
2594 | if (copy_to_user(udata, qinfo.udata, 4)) |
2595 | rc = -EFAULT; | |
d0ddf30f | 2596 | goto free_and_out; |
4a71df50 | 2597 | } else { |
d0ddf30f EL |
2598 | #ifdef CONFIG_QETH_IPV6 |
2599 | if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { | |
2600 | /* fails in case of GuestLAN QDIO mode */ | |
2601 | qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, | |
2602 | &qinfo); | |
2603 | } | |
2604 | #endif | |
2605 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { | |
2606 | QETH_CARD_TEXT(card, 4, "qactf"); | |
4a71df50 | 2607 | rc = -EFAULT; |
d0ddf30f EL |
2608 | goto free_and_out; |
2609 | } | |
2610 | QETH_CARD_TEXT_(card, 4, "qacts"); | |
4a71df50 | 2611 | } |
d0ddf30f | 2612 | free_and_out: |
4a71df50 | 2613 | kfree(qinfo.udata); |
d0ddf30f | 2614 | out: |
4a71df50 FB |
2615 | return rc; |
2616 | } | |
2617 | ||
2618 | static int qeth_l3_arp_add_entry(struct qeth_card *card, | |
2619 | struct qeth_arp_cache_entry *entry) | |
2620 | { | |
2621 | struct qeth_cmd_buffer *iob; | |
2622 | char buf[16]; | |
2623 | int tmp; | |
2624 | int rc; | |
2625 | ||
847a50fd | 2626 | QETH_CARD_TEXT(card, 3, "arpadent"); |
4a71df50 FB |
2627 | |
2628 | /* | |
2629 | * currently GuestLAN only supports the ARP assist function | |
2630 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
2631 | * thus we say EOPNOTSUPP for this ARP function | |
2632 | */ | |
2633 | if (card->info.guestlan) | |
2634 | return -EOPNOTSUPP; | |
2635 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2636 | return -EOPNOTSUPP; |
2637 | } | |
2638 | ||
2639 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2640 | IPA_CMD_ASS_ARP_ADD_ENTRY, | |
2641 | sizeof(struct qeth_arp_cache_entry), | |
2642 | QETH_PROT_IPV4); | |
2643 | rc = qeth_l3_send_setassparms(card, iob, | |
2644 | sizeof(struct qeth_arp_cache_entry), | |
2645 | (unsigned long) entry, | |
2646 | qeth_l3_default_setassparms_cb, NULL); | |
2647 | if (rc) { | |
2648 | tmp = rc; | |
2649 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2650 | QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s " |
2651 | "on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2652 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2653 | } |
2654 | return rc; | |
2655 | } | |
2656 | ||
2657 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, | |
2658 | struct qeth_arp_cache_entry *entry) | |
2659 | { | |
2660 | struct qeth_cmd_buffer *iob; | |
2661 | char buf[16] = {0, }; | |
2662 | int tmp; | |
2663 | int rc; | |
2664 | ||
847a50fd | 2665 | QETH_CARD_TEXT(card, 3, "arprment"); |
4a71df50 FB |
2666 | |
2667 | /* | |
2668 | * currently GuestLAN only supports the ARP assist function | |
2669 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
2670 | * thus we say EOPNOTSUPP for this ARP function | |
2671 | */ | |
2672 | if (card->info.guestlan) | |
2673 | return -EOPNOTSUPP; | |
2674 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2675 | return -EOPNOTSUPP; |
2676 | } | |
2677 | memcpy(buf, entry, 12); | |
2678 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2679 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, | |
2680 | 12, | |
2681 | QETH_PROT_IPV4); | |
2682 | rc = qeth_l3_send_setassparms(card, iob, | |
2683 | 12, (unsigned long)buf, | |
2684 | qeth_l3_default_setassparms_cb, NULL); | |
2685 | if (rc) { | |
2686 | tmp = rc; | |
2687 | memset(buf, 0, 16); | |
2688 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2689 | QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s" |
2690 | " on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2691 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2692 | } |
2693 | return rc; | |
2694 | } | |
2695 | ||
2696 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
2697 | { | |
2698 | int rc; | |
2699 | int tmp; | |
2700 | ||
847a50fd | 2701 | QETH_CARD_TEXT(card, 3, "arpflush"); |
4a71df50 FB |
2702 | |
2703 | /* | |
2704 | * currently GuestLAN only supports the ARP assist function | |
2705 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
2706 | * thus we say EOPNOTSUPP for this ARP function | |
2707 | */ | |
2708 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) | |
2709 | return -EOPNOTSUPP; | |
2710 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2711 | return -EOPNOTSUPP; |
2712 | } | |
2713 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2714 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); | |
2715 | if (rc) { | |
2716 | tmp = rc; | |
14cc21b6 FB |
2717 | QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s " |
2718 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2719 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2720 | } | |
2721 | return rc; | |
2722 | } | |
2723 | ||
2724 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2725 | { | |
509e2562 | 2726 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2727 | struct qeth_arp_cache_entry arp_entry; |
2728 | struct mii_ioctl_data *mii_data; | |
2729 | int rc = 0; | |
2730 | ||
2731 | if (!card) | |
2732 | return -ENODEV; | |
2733 | ||
2734 | if ((card->state != CARD_STATE_UP) && | |
2735 | (card->state != CARD_STATE_SOFTSETUP)) | |
2736 | return -ENODEV; | |
2737 | ||
2738 | switch (cmd) { | |
2739 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
2740 | if (!capable(CAP_NET_ADMIN)) { | |
2741 | rc = -EPERM; | |
2742 | break; | |
2743 | } | |
2744 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
2745 | break; | |
2746 | case SIOC_QETH_ARP_QUERY_INFO: | |
2747 | if (!capable(CAP_NET_ADMIN)) { | |
2748 | rc = -EPERM; | |
2749 | break; | |
2750 | } | |
2751 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); | |
2752 | break; | |
2753 | case SIOC_QETH_ARP_ADD_ENTRY: | |
2754 | if (!capable(CAP_NET_ADMIN)) { | |
2755 | rc = -EPERM; | |
2756 | break; | |
2757 | } | |
2758 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2759 | sizeof(struct qeth_arp_cache_entry))) | |
2760 | rc = -EFAULT; | |
2761 | else | |
2762 | rc = qeth_l3_arp_add_entry(card, &arp_entry); | |
2763 | break; | |
2764 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
2765 | if (!capable(CAP_NET_ADMIN)) { | |
2766 | rc = -EPERM; | |
2767 | break; | |
2768 | } | |
2769 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2770 | sizeof(struct qeth_arp_cache_entry))) | |
2771 | rc = -EFAULT; | |
2772 | else | |
2773 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); | |
2774 | break; | |
2775 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
2776 | if (!capable(CAP_NET_ADMIN)) { | |
2777 | rc = -EPERM; | |
2778 | break; | |
2779 | } | |
2780 | rc = qeth_l3_arp_flush_cache(card); | |
2781 | break; | |
2782 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
2783 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
2784 | break; | |
2785 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
2786 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
2787 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
2788 | !card->info.guestlan) |
2789 | return 1; | |
2790 | return 0; | |
2791 | break; | |
2792 | case SIOCGMIIPHY: | |
2793 | mii_data = if_mii(rq); | |
2794 | mii_data->phy_id = 0; | |
2795 | break; | |
2796 | case SIOCGMIIREG: | |
2797 | mii_data = if_mii(rq); | |
2798 | if (mii_data->phy_id != 0) | |
2799 | rc = -EINVAL; | |
2800 | else | |
2801 | mii_data->val_out = qeth_mdio_read(dev, | |
2802 | mii_data->phy_id, | |
2803 | mii_data->reg_num); | |
2804 | break; | |
2805 | default: | |
2806 | rc = -EOPNOTSUPP; | |
2807 | } | |
2808 | if (rc) | |
847a50fd | 2809 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
2810 | return rc; |
2811 | } | |
2812 | ||
ce73e10e KDW |
2813 | int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) |
2814 | { | |
2815 | int cast_type = RTN_UNSPEC; | |
2816 | ||
2817 | if (skb_dst(skb) && skb_dst(skb)->neighbour) { | |
2818 | cast_type = skb_dst(skb)->neighbour->type; | |
2819 | if ((cast_type == RTN_BROADCAST) || | |
2820 | (cast_type == RTN_MULTICAST) || | |
2821 | (cast_type == RTN_ANYCAST)) | |
2822 | return cast_type; | |
2823 | else | |
2824 | return RTN_UNSPEC; | |
2825 | } | |
2826 | /* try something else */ | |
2827 | if (skb->protocol == ETH_P_IPV6) | |
2828 | return (skb_network_header(skb)[24] == 0xff) ? | |
2829 | RTN_MULTICAST : 0; | |
2830 | else if (skb->protocol == ETH_P_IP) | |
2831 | return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? | |
2832 | RTN_MULTICAST : 0; | |
2833 | /* ... */ | |
2834 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
2835 | return RTN_BROADCAST; | |
2836 | else { | |
2837 | u16 hdr_mac; | |
2838 | ||
2839 | hdr_mac = *((u16 *)skb->data); | |
2840 | /* tr multicast? */ | |
2841 | switch (card->info.link_type) { | |
2842 | case QETH_LINK_TYPE_HSTR: | |
2843 | case QETH_LINK_TYPE_LANE_TR: | |
2844 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
2845 | (hdr_mac == QETH_TR_MAC_C)) | |
2846 | return RTN_MULTICAST; | |
2847 | break; | |
2848 | /* eth or so multicast? */ | |
2849 | default: | |
2850 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
2851 | (hdr_mac == QETH_ETH_MAC_V6)) | |
2852 | return RTN_MULTICAST; | |
2853 | } | |
2854 | } | |
2855 | return cast_type; | |
2856 | } | |
2857 | ||
4a71df50 FB |
2858 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
2859 | struct sk_buff *skb, int ipv, int cast_type) | |
2860 | { | |
4a71df50 FB |
2861 | memset(hdr, 0, sizeof(struct qeth_hdr)); |
2862 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2863 | hdr->hdr.l3.ext_flags = 0; | |
2864 | ||
2865 | /* | |
2866 | * before we're going to overwrite this location with next hop ip. | |
2867 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
2868 | */ | |
2869 | if (card->vlangrp && vlan_tx_tag_present(skb)) { | |
213298f8 FB |
2870 | if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD)) |
2871 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME; | |
2872 | else | |
2873 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
4a71df50 FB |
2874 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); |
2875 | } | |
2876 | ||
2877 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
2878 | if (ipv == 4) { | |
2879 | /* IPv4 */ | |
2880 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); | |
2881 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
adf30907 | 2882 | if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) { |
4a71df50 | 2883 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = |
adf30907 | 2884 | *((u32 *) skb_dst(skb)->neighbour->primary_key); |
4a71df50 FB |
2885 | } else { |
2886 | /* fill in destination address used in ip header */ | |
2887 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = | |
2888 | ip_hdr(skb)->daddr; | |
2889 | } | |
2890 | } else if (ipv == 6) { | |
2891 | /* IPv6 */ | |
2892 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); | |
2893 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2894 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; | |
adf30907 | 2895 | if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) { |
4a71df50 | 2896 | memcpy(hdr->hdr.l3.dest_addr, |
adf30907 | 2897 | skb_dst(skb)->neighbour->primary_key, 16); |
4a71df50 FB |
2898 | } else { |
2899 | /* fill in destination address used in ip header */ | |
2900 | memcpy(hdr->hdr.l3.dest_addr, | |
2901 | &ipv6_hdr(skb)->daddr, 16); | |
2902 | } | |
2903 | } else { | |
2904 | /* passthrough */ | |
2905 | if ((skb->dev->type == ARPHRD_IEEE802_TR) && | |
2906 | !memcmp(skb->data + sizeof(struct qeth_hdr) + | |
2907 | sizeof(__u16), skb->dev->broadcast, 6)) { | |
2908 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2909 | QETH_HDR_PASSTHRU; | |
2910 | } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), | |
2911 | skb->dev->broadcast, 6)) { | |
2912 | /* broadcast? */ | |
2913 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2914 | QETH_HDR_PASSTHRU; | |
2915 | } else { | |
2916 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
2917 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
2918 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
2919 | } | |
2920 | } | |
2921 | } | |
2922 | ||
f6b85b6c FB |
2923 | static inline void qeth_l3_hdr_csum(struct qeth_card *card, |
2924 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2925 | { | |
2926 | struct iphdr *iph = ip_hdr(skb); | |
2927 | ||
2928 | /* tcph->check contains already the pseudo hdr checksum | |
2929 | * so just set the header flags | |
2930 | */ | |
2931 | if (iph->protocol == IPPROTO_UDP) | |
2932 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP; | |
16c0f936 FB |
2933 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ | |
2934 | QETH_HDR_EXT_CSUM_HDR_REQ; | |
2935 | iph->check = 0; | |
f6b85b6c FB |
2936 | if (card->options.performance_stats) |
2937 | card->perf_stats.tx_csum++; | |
2938 | } | |
2939 | ||
64ef8957 FB |
2940 | static void qeth_tso_fill_header(struct qeth_card *card, |
2941 | struct qeth_hdr *qhdr, struct sk_buff *skb) | |
2942 | { | |
2943 | struct qeth_hdr_tso *hdr = (struct qeth_hdr_tso *)qhdr; | |
2944 | struct tcphdr *tcph = tcp_hdr(skb); | |
2945 | struct iphdr *iph = ip_hdr(skb); | |
2946 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
2947 | ||
2948 | /*fix header to TSO values ...*/ | |
2949 | hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; | |
8fa9208e | 2950 | hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso); |
64ef8957 FB |
2951 | /*set values which are fix for the first approach ...*/ |
2952 | hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); | |
2953 | hdr->ext.imb_hdr_no = 1; | |
2954 | hdr->ext.hdr_type = 1; | |
2955 | hdr->ext.hdr_version = 1; | |
2956 | hdr->ext.hdr_len = 28; | |
2957 | /*insert non-fix values */ | |
2958 | hdr->ext.mss = skb_shinfo(skb)->gso_size; | |
2959 | hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); | |
2960 | hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - | |
2961 | sizeof(struct qeth_hdr_tso)); | |
2962 | tcph->check = 0; | |
2963 | if (skb->protocol == ETH_P_IPV6) { | |
2964 | ip6h->payload_len = 0; | |
2965 | tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, | |
2966 | 0, IPPROTO_TCP, 0); | |
2967 | } else { | |
2968 | /*OSA want us to set these values ...*/ | |
2969 | tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, | |
2970 | 0, IPPROTO_TCP, 0); | |
2971 | iph->tot_len = 0; | |
2972 | iph->check = 0; | |
2973 | } | |
2974 | } | |
2975 | ||
c3b4a740 FB |
2976 | static inline int qeth_l3_tso_elements(struct sk_buff *skb) |
2977 | { | |
2978 | unsigned long tcpd = (unsigned long)tcp_hdr(skb) + | |
2979 | tcp_hdr(skb)->doff * 4; | |
2980 | int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data); | |
51aa165c | 2981 | int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd); |
c3b4a740 FB |
2982 | elements += skb_shinfo(skb)->nr_frags; |
2983 | return elements; | |
2984 | } | |
2985 | ||
4a71df50 FB |
2986 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
2987 | { | |
2988 | int rc; | |
2989 | u16 *tag; | |
2990 | struct qeth_hdr *hdr = NULL; | |
2991 | int elements_needed = 0; | |
64ef8957 | 2992 | int elems; |
509e2562 | 2993 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2994 | struct sk_buff *new_skb = NULL; |
2995 | int ipv = qeth_get_ip_version(skb); | |
ce73e10e | 2996 | int cast_type = qeth_l3_get_cast_type(card, skb); |
4a71df50 FB |
2997 | struct qeth_qdio_out_q *queue = card->qdio.out_qs |
2998 | [qeth_get_priority_queue(card, skb, ipv, cast_type)]; | |
2999 | int tx_bytes = skb->len; | |
6204b47e | 3000 | bool large_send; |
683d718a | 3001 | int data_offset = -1; |
64ef8957 | 3002 | int nr_frags; |
4a71df50 | 3003 | |
21fde749 FB |
3004 | if (((card->info.type == QETH_CARD_TYPE_IQD) && (!ipv)) || |
3005 | card->options.sniffer) | |
4a71df50 FB |
3006 | goto tx_drop; |
3007 | ||
3008 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
3009 | card->stats.tx_carrier_errors++; | |
3010 | goto tx_drop; | |
3011 | } | |
3012 | ||
3013 | if ((cast_type == RTN_BROADCAST) && | |
3014 | (card->info.broadcast_capable == 0)) | |
3015 | goto tx_drop; | |
3016 | ||
3017 | if (card->options.performance_stats) { | |
3018 | card->perf_stats.outbound_cnt++; | |
3019 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
3020 | } | |
3021 | ||
6204b47e | 3022 | large_send = skb_is_gso(skb); |
683d718a FB |
3023 | |
3024 | if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) && | |
3025 | (skb_shinfo(skb)->nr_frags == 0)) { | |
3026 | new_skb = skb; | |
3027 | data_offset = ETH_HLEN; | |
3028 | hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); | |
3029 | if (!hdr) | |
3030 | goto tx_drop; | |
3031 | elements_needed++; | |
3032 | } else { | |
3033 | /* create a clone with writeable headroom */ | |
3034 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) | |
3035 | + VLAN_HLEN); | |
3036 | if (!new_skb) | |
3037 | goto tx_drop; | |
3038 | } | |
4a71df50 FB |
3039 | |
3040 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
683d718a FB |
3041 | if (data_offset < 0) |
3042 | skb_pull(new_skb, ETH_HLEN); | |
4a71df50 | 3043 | } else { |
21fde749 | 3044 | if (ipv == 4) { |
4a71df50 FB |
3045 | if (card->dev->type == ARPHRD_IEEE802_TR) |
3046 | skb_pull(new_skb, TR_HLEN); | |
3047 | else | |
3048 | skb_pull(new_skb, ETH_HLEN); | |
3049 | } | |
3050 | ||
91d4576b | 3051 | if (ipv != 4 && card->vlangrp && |
4a71df50 FB |
3052 | vlan_tx_tag_present(new_skb)) { |
3053 | skb_push(new_skb, VLAN_HLEN); | |
3054 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); | |
3055 | skb_copy_to_linear_data_offset(new_skb, 4, | |
3056 | new_skb->data + 8, 4); | |
3057 | skb_copy_to_linear_data_offset(new_skb, 8, | |
3058 | new_skb->data + 12, 4); | |
3059 | tag = (u16 *)(new_skb->data + 12); | |
3060 | *tag = __constant_htons(ETH_P_8021Q); | |
3061 | *(tag + 1) = htons(vlan_tx_tag_get(new_skb)); | |
2b4ff112 | 3062 | new_skb->vlan_tci = 0; |
4a71df50 FB |
3063 | } |
3064 | } | |
3065 | ||
3066 | netif_stop_queue(dev); | |
3067 | ||
4a71df50 | 3068 | /* fix hardware limitation: as long as we do not have sbal |
64ef8957 | 3069 | * chaining we can not send long frag lists |
4a71df50 | 3070 | */ |
6204b47e | 3071 | if (large_send) { |
c3b4a740 FB |
3072 | if (qeth_l3_tso_elements(new_skb) + 1 > 16) { |
3073 | if (skb_linearize(new_skb)) | |
3074 | goto tx_drop; | |
3075 | if (card->options.performance_stats) | |
3076 | card->perf_stats.tx_lin++; | |
3077 | } | |
64ef8957 | 3078 | } |
4a71df50 | 3079 | |
6204b47e | 3080 | if (large_send && (cast_type == RTN_UNSPEC)) { |
4a71df50 FB |
3081 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
3082 | sizeof(struct qeth_hdr_tso)); | |
3083 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | |
3084 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
3085 | qeth_tso_fill_header(card, hdr, new_skb); | |
3086 | elements_needed++; | |
3087 | } else { | |
683d718a FB |
3088 | if (data_offset < 0) { |
3089 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
4a71df50 | 3090 | sizeof(struct qeth_hdr)); |
683d718a FB |
3091 | qeth_l3_fill_header(card, hdr, new_skb, ipv, |
3092 | cast_type); | |
3093 | } else { | |
3094 | qeth_l3_fill_header(card, hdr, new_skb, ipv, | |
3095 | cast_type); | |
3096 | hdr->hdr.l3.length = new_skb->len - data_offset; | |
3097 | } | |
f6b85b6c FB |
3098 | |
3099 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
3100 | qeth_l3_hdr_csum(card, hdr, new_skb); | |
4a71df50 FB |
3101 | } |
3102 | ||
64ef8957 | 3103 | elems = qeth_get_elements_no(card, (void *)hdr, new_skb, |
4a71df50 | 3104 | elements_needed); |
64ef8957 FB |
3105 | if (!elems) { |
3106 | if (data_offset >= 0) | |
3107 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3108 | goto tx_drop; | |
f61a0d05 | 3109 | } |
64ef8957 FB |
3110 | elements_needed += elems; |
3111 | nr_frags = skb_shinfo(new_skb)->nr_frags; | |
4a71df50 | 3112 | |
51aa165c FB |
3113 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
3114 | int len; | |
6204b47e | 3115 | if (large_send) |
51aa165c FB |
3116 | len = ((unsigned long)tcp_hdr(new_skb) + |
3117 | tcp_hdr(new_skb)->doff * 4) - | |
3118 | (unsigned long)new_skb->data; | |
3119 | else | |
3120 | len = sizeof(struct qeth_hdr_layer3); | |
3121 | ||
3122 | if (qeth_hdr_chk_and_bounce(new_skb, len)) | |
3123 | goto tx_drop; | |
4a71df50 | 3124 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
64ef8957 | 3125 | elements_needed); |
51aa165c | 3126 | } else |
4a71df50 | 3127 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
64ef8957 | 3128 | elements_needed, data_offset, 0); |
4a71df50 FB |
3129 | |
3130 | if (!rc) { | |
3131 | card->stats.tx_packets++; | |
3132 | card->stats.tx_bytes += tx_bytes; | |
3133 | if (new_skb != skb) | |
3134 | dev_kfree_skb_any(skb); | |
3135 | if (card->options.performance_stats) { | |
6204b47e | 3136 | if (large_send) { |
4a71df50 FB |
3137 | card->perf_stats.large_send_bytes += tx_bytes; |
3138 | card->perf_stats.large_send_cnt++; | |
3139 | } | |
64ef8957 | 3140 | if (nr_frags) { |
4a71df50 FB |
3141 | card->perf_stats.sg_skbs_sent++; |
3142 | /* nr_frags + skb->data */ | |
64ef8957 | 3143 | card->perf_stats.sg_frags_sent += nr_frags + 1; |
4a71df50 FB |
3144 | } |
3145 | } | |
ec634fe3 | 3146 | rc = NETDEV_TX_OK; |
4a71df50 | 3147 | } else { |
683d718a FB |
3148 | if (data_offset >= 0) |
3149 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3150 | ||
4a71df50 FB |
3151 | if (rc == -EBUSY) { |
3152 | if (new_skb != skb) | |
3153 | dev_kfree_skb_any(new_skb); | |
3154 | return NETDEV_TX_BUSY; | |
3155 | } else | |
3156 | goto tx_drop; | |
3157 | } | |
3158 | ||
3159 | netif_wake_queue(dev); | |
3160 | if (card->options.performance_stats) | |
3161 | card->perf_stats.outbound_time += qeth_get_micros() - | |
3162 | card->perf_stats.outbound_start_time; | |
3163 | return rc; | |
3164 | ||
3165 | tx_drop: | |
3166 | card->stats.tx_dropped++; | |
3167 | card->stats.tx_errors++; | |
3168 | if ((new_skb != skb) && new_skb) | |
3169 | dev_kfree_skb_any(new_skb); | |
3170 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 3171 | netif_wake_queue(dev); |
4a71df50 FB |
3172 | return NETDEV_TX_OK; |
3173 | } | |
3174 | ||
39423440 | 3175 | static int __qeth_l3_open(struct net_device *dev) |
4a71df50 | 3176 | { |
509e2562 | 3177 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 3178 | int rc = 0; |
4a71df50 | 3179 | |
847a50fd | 3180 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
3181 | if (card->state == CARD_STATE_UP) |
3182 | return rc; | |
4a71df50 FB |
3183 | if (card->state != CARD_STATE_SOFTSETUP) |
3184 | return -ENODEV; | |
3185 | card->data.state = CH_STATE_UP; | |
3186 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
3187 | netif_start_queue(dev); |
3188 | ||
a1c3ed4c FB |
3189 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
3190 | napi_enable(&card->napi); | |
3191 | napi_schedule(&card->napi); | |
3192 | } else | |
3193 | rc = -EIO; | |
3194 | return rc; | |
4a71df50 FB |
3195 | } |
3196 | ||
39423440 UB |
3197 | static int qeth_l3_open(struct net_device *dev) |
3198 | { | |
3199 | struct qeth_card *card = dev->ml_priv; | |
3200 | ||
3201 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
3202 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
3203 | QETH_CARD_TEXT(card, 3, "openREC"); | |
3204 | return -ERESTARTSYS; | |
3205 | } | |
3206 | return __qeth_l3_open(dev); | |
3207 | } | |
3208 | ||
4a71df50 FB |
3209 | static int qeth_l3_stop(struct net_device *dev) |
3210 | { | |
509e2562 | 3211 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3212 | |
847a50fd | 3213 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 3214 | netif_tx_disable(dev); |
a1c3ed4c | 3215 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 3216 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
3217 | napi_disable(&card->napi); |
3218 | } | |
4a71df50 FB |
3219 | return 0; |
3220 | } | |
3221 | ||
6204b47e | 3222 | static u32 qeth_l3_fix_features(struct net_device *dev, u32 features) |
4a71df50 | 3223 | { |
509e2562 | 3224 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3225 | |
6204b47e MM |
3226 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) |
3227 | features &= ~NETIF_F_IP_CSUM; | |
3228 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) | |
3229 | features &= ~NETIF_F_TSO; | |
3230 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) | |
3231 | features &= ~NETIF_F_RXCSUM; | |
3232 | ||
3233 | return features; | |
4a71df50 FB |
3234 | } |
3235 | ||
6204b47e | 3236 | static int qeth_l3_set_features(struct net_device *dev, u32 features) |
4a71df50 | 3237 | { |
4a71df50 | 3238 | enum qeth_checksum_types csum_type; |
6204b47e MM |
3239 | struct qeth_card *card = dev->ml_priv; |
3240 | u32 changed = dev->features ^ features; | |
4a71df50 | 3241 | |
6204b47e MM |
3242 | if (!(changed & NETIF_F_RXCSUM)) |
3243 | return 0; | |
3244 | ||
3245 | if (features & NETIF_F_RXCSUM) | |
4a71df50 FB |
3246 | csum_type = HW_CHECKSUMMING; |
3247 | else | |
3248 | csum_type = SW_CHECKSUMMING; | |
3249 | ||
6204b47e | 3250 | dev->features = features ^ NETIF_F_RXCSUM; |
3fd434d8 | 3251 | return qeth_l3_set_rx_csum(card, csum_type); |
4a71df50 FB |
3252 | } |
3253 | ||
0fc0b732 | 3254 | static const struct ethtool_ops qeth_l3_ethtool_ops = { |
4a71df50 | 3255 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
3256 | .get_strings = qeth_core_get_strings, |
3257 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 3258 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 3259 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 3260 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
3261 | }; |
3262 | ||
3263 | /* | |
3264 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
3265 | * NOARP on the netdevice is no option because it also turns off neighbor | |
3266 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
3267 | * arp resolution but we want the hard header (packet socket will work | |
3268 | * e.g. tcpdump) | |
3269 | */ | |
3270 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
3271 | { | |
3272 | n->nud_state = NUD_NOARP; | |
3273 | memcpy(n->ha, "FAKELL", 6); | |
3274 | n->output = n->ops->connected_output; | |
3275 | return 0; | |
3276 | } | |
3277 | ||
3278 | static int | |
3279 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
3280 | { | |
3281 | if (np->tbl->family == AF_INET) | |
3282 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
3283 | ||
3284 | return 0; | |
3285 | } | |
3286 | ||
3d58cefd | 3287 | static const struct net_device_ops qeth_l3_netdev_ops = { |
8403b13c FB |
3288 | .ndo_open = qeth_l3_open, |
3289 | .ndo_stop = qeth_l3_stop, | |
3290 | .ndo_get_stats = qeth_get_stats, | |
3291 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3292 | .ndo_validate_addr = eth_validate_addr, | |
3293 | .ndo_set_multicast_list = qeth_l3_set_multicast_list, | |
3294 | .ndo_do_ioctl = qeth_l3_do_ioctl, | |
3295 | .ndo_change_mtu = qeth_change_mtu, | |
6204b47e MM |
3296 | .ndo_fix_features = qeth_l3_fix_features, |
3297 | .ndo_set_features = qeth_l3_set_features, | |
8403b13c FB |
3298 | .ndo_vlan_rx_register = qeth_l3_vlan_rx_register, |
3299 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, | |
3300 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
3301 | .ndo_tx_timeout = qeth_tx_timeout, | |
3302 | }; | |
3303 | ||
3d58cefd FB |
3304 | static const struct net_device_ops qeth_l3_osa_netdev_ops = { |
3305 | .ndo_open = qeth_l3_open, | |
3306 | .ndo_stop = qeth_l3_stop, | |
3307 | .ndo_get_stats = qeth_get_stats, | |
3308 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3309 | .ndo_validate_addr = eth_validate_addr, | |
3310 | .ndo_set_multicast_list = qeth_l3_set_multicast_list, | |
3311 | .ndo_do_ioctl = qeth_l3_do_ioctl, | |
3312 | .ndo_change_mtu = qeth_change_mtu, | |
6204b47e MM |
3313 | .ndo_fix_features = qeth_l3_fix_features, |
3314 | .ndo_set_features = qeth_l3_set_features, | |
3d58cefd FB |
3315 | .ndo_vlan_rx_register = qeth_l3_vlan_rx_register, |
3316 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, | |
3317 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
3318 | .ndo_tx_timeout = qeth_tx_timeout, | |
3319 | .ndo_neigh_setup = qeth_l3_neigh_setup, | |
3320 | }; | |
3321 | ||
4a71df50 FB |
3322 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
3323 | { | |
5113fec0 UB |
3324 | if (card->info.type == QETH_CARD_TYPE_OSD || |
3325 | card->info.type == QETH_CARD_TYPE_OSX) { | |
4a71df50 FB |
3326 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
3327 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { | |
3328 | #ifdef CONFIG_TR | |
3329 | card->dev = alloc_trdev(0); | |
3330 | #endif | |
3331 | if (!card->dev) | |
3332 | return -ENODEV; | |
3d58cefd | 3333 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
4a71df50 FB |
3334 | } else { |
3335 | card->dev = alloc_etherdev(0); | |
3336 | if (!card->dev) | |
3337 | return -ENODEV; | |
3d58cefd | 3338 | card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; |
4a71df50 FB |
3339 | |
3340 | /*IPv6 address autoconfiguration stuff*/ | |
3341 | qeth_l3_get_unique_id(card); | |
3342 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
3343 | card->dev->dev_id = card->info.unique_id & | |
3344 | 0xffff; | |
3345 | } | |
3346 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { | |
3347 | card->dev = alloc_netdev(0, "hsi%d", ether_setup); | |
3348 | if (!card->dev) | |
3349 | return -ENODEV; | |
3350 | card->dev->flags |= IFF_NOARP; | |
3d58cefd | 3351 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
4a71df50 FB |
3352 | qeth_l3_iqd_read_initial_mac(card); |
3353 | } else | |
3354 | return -ENODEV; | |
3355 | ||
509e2562 | 3356 | card->dev->ml_priv = card; |
4a71df50 | 3357 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
4a71df50 FB |
3358 | card->dev->mtu = card->info.initial_mtu; |
3359 | SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops); | |
6204b47e MM |
3360 | card->dev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | |
3361 | NETIF_F_IP_CSUM | NETIF_F_TSO; | |
4a71df50 FB |
3362 | card->dev->features |= NETIF_F_HW_VLAN_TX | |
3363 | NETIF_F_HW_VLAN_RX | | |
3364 | NETIF_F_HW_VLAN_FILTER; | |
86d15cd8 | 3365 | card->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; |
c3b4a740 | 3366 | card->dev->gso_max_size = 15 * PAGE_SIZE; |
4a71df50 FB |
3367 | |
3368 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 3369 | netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT); |
4a71df50 FB |
3370 | return register_netdev(card->dev); |
3371 | } | |
3372 | ||
4a71df50 FB |
3373 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
3374 | { | |
3375 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3376 | ||
3377 | qeth_l3_create_device_attributes(&gdev->dev); | |
3378 | card->options.layer2 = 0; | |
a1c3ed4c | 3379 | card->discipline.start_poll = qeth_qdio_start_poll; |
4a71df50 | 3380 | card->discipline.input_handler = (qdio_handler_t *) |
a1c3ed4c | 3381 | qeth_qdio_input_handler; |
4a71df50 FB |
3382 | card->discipline.output_handler = (qdio_handler_t *) |
3383 | qeth_qdio_output_handler; | |
3384 | card->discipline.recover = qeth_l3_recover; | |
dcf4ae2d FB |
3385 | if ((card->info.type == QETH_CARD_TYPE_OSD) || |
3386 | (card->info.type == QETH_CARD_TYPE_OSX)) | |
3387 | card->options.checksum_type = HW_CHECKSUMMING; | |
4a71df50 FB |
3388 | return 0; |
3389 | } | |
3390 | ||
3391 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
3392 | { | |
3393 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3394 | ||
9dc48ccc UB |
3395 | qeth_l3_remove_device_attributes(&cgdev->dev); |
3396 | ||
f2148565 | 3397 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
3398 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
3399 | ||
70919e23 | 3400 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 3401 | qeth_l3_set_offline(cgdev); |
4a71df50 FB |
3402 | |
3403 | if (card->dev) { | |
3404 | unregister_netdev(card->dev); | |
3405 | card->dev = NULL; | |
3406 | } | |
3407 | ||
70919e23 | 3408 | qeth_l3_clear_ip_list(card, 0); |
4a71df50 FB |
3409 | qeth_l3_clear_ipato_list(card); |
3410 | return; | |
3411 | } | |
3412 | ||
3413 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
3414 | { | |
3415 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3416 | int rc = 0; | |
3417 | enum qeth_card_states recover_flag; | |
3418 | ||
3419 | BUG_ON(!card); | |
9dc48ccc | 3420 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3421 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3422 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
3423 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 3424 | |
4a71df50 | 3425 | recover_flag = card->state; |
4a71df50 FB |
3426 | rc = qeth_core_hardsetup_card(card); |
3427 | if (rc) { | |
d11ba0c4 | 3428 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
aa909224 | 3429 | rc = -ENODEV; |
4a71df50 FB |
3430 | goto out_remove; |
3431 | } | |
3432 | ||
3433 | qeth_l3_query_ipassists(card, QETH_PROT_IPV4); | |
3434 | ||
aa909224 UB |
3435 | if (!card->dev && qeth_l3_setup_netdev(card)) { |
3436 | rc = -ENODEV; | |
4a71df50 | 3437 | goto out_remove; |
aa909224 | 3438 | } |
4a71df50 FB |
3439 | |
3440 | card->state = CARD_STATE_HARDSETUP; | |
a1c3ed4c | 3441 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
3442 | qeth_print_status_message(card); |
3443 | ||
3444 | /* softsetup */ | |
d11ba0c4 | 3445 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
3446 | |
3447 | rc = qeth_send_startlan(card); | |
3448 | if (rc) { | |
d11ba0c4 | 3449 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 3450 | if (rc == 0xe080) { |
74eacdb9 FB |
3451 | dev_warn(&card->gdev->dev, |
3452 | "The LAN is offline\n"); | |
4a71df50 | 3453 | card->lan_online = 0; |
2b6203bb | 3454 | goto contin; |
4a71df50 | 3455 | } |
aa909224 | 3456 | rc = -ENODEV; |
f2148565 | 3457 | goto out_remove; |
4a71df50 FB |
3458 | } else |
3459 | card->lan_online = 1; | |
4a71df50 | 3460 | |
2b6203bb | 3461 | contin: |
4a71df50 FB |
3462 | rc = qeth_l3_setadapter_parms(card); |
3463 | if (rc) | |
d11ba0c4 | 3464 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
76b11f8e UB |
3465 | if (!card->options.sniffer) { |
3466 | rc = qeth_l3_start_ipassists(card); | |
3467 | if (rc) | |
3468 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); | |
76b11f8e UB |
3469 | rc = qeth_l3_setrouting_v4(card); |
3470 | if (rc) | |
3471 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); | |
3472 | rc = qeth_l3_setrouting_v6(card); | |
3473 | if (rc) | |
3474 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); | |
3475 | } | |
4a71df50 FB |
3476 | netif_tx_disable(card->dev); |
3477 | ||
3478 | rc = qeth_init_qdio_queues(card); | |
3479 | if (rc) { | |
d11ba0c4 | 3480 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 3481 | rc = -ENODEV; |
4a71df50 FB |
3482 | goto out_remove; |
3483 | } | |
3484 | card->state = CARD_STATE_SOFTSETUP; | |
4a71df50 FB |
3485 | |
3486 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
e8069040 | 3487 | qeth_l3_set_ip_addr_list(card); |
2b6203bb UB |
3488 | if (card->lan_online) |
3489 | netif_carrier_on(card->dev); | |
3490 | else | |
3491 | netif_carrier_off(card->dev); | |
8af7c5ae FB |
3492 | if (recover_flag == CARD_STATE_RECOVER) { |
3493 | if (recovery_mode) | |
39423440 | 3494 | __qeth_l3_open(card->dev); |
8af7c5ae FB |
3495 | else { |
3496 | rtnl_lock(); | |
3497 | dev_open(card->dev); | |
3498 | rtnl_unlock(); | |
3499 | } | |
3500 | qeth_l3_set_multicast_list(card->dev); | |
4a71df50 FB |
3501 | } |
3502 | /* let user_space know that device is online */ | |
3503 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3504 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3505 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3506 | return 0; |
3507 | out_remove: | |
4a71df50 FB |
3508 | qeth_l3_stop_card(card, 0); |
3509 | ccw_device_set_offline(CARD_DDEV(card)); | |
3510 | ccw_device_set_offline(CARD_WDEV(card)); | |
3511 | ccw_device_set_offline(CARD_RDEV(card)); | |
3512 | if (recover_flag == CARD_STATE_RECOVER) | |
3513 | card->state = CARD_STATE_RECOVER; | |
3514 | else | |
3515 | card->state = CARD_STATE_DOWN; | |
c4949f07 | 3516 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3517 | mutex_unlock(&card->discipline_mutex); |
aa909224 | 3518 | return rc; |
4a71df50 FB |
3519 | } |
3520 | ||
3521 | static int qeth_l3_set_online(struct ccwgroup_device *gdev) | |
3522 | { | |
3523 | return __qeth_l3_set_online(gdev, 0); | |
3524 | } | |
3525 | ||
3526 | static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, | |
3527 | int recovery_mode) | |
3528 | { | |
3529 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3530 | int rc = 0, rc2 = 0, rc3 = 0; | |
3531 | enum qeth_card_states recover_flag; | |
3532 | ||
9dc48ccc | 3533 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3534 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3535 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
3536 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
3537 | |
3538 | if (card->dev && netif_carrier_ok(card->dev)) | |
3539 | netif_carrier_off(card->dev); | |
3540 | recover_flag = card->state; | |
0f5623c9 | 3541 | qeth_l3_stop_card(card, recovery_mode); |
4a71df50 FB |
3542 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
3543 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
3544 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
3545 | if (!rc) | |
3546 | rc = (rc2) ? rc2 : rc3; | |
3547 | if (rc) | |
d11ba0c4 | 3548 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3549 | if (recover_flag == CARD_STATE_UP) |
3550 | card->state = CARD_STATE_RECOVER; | |
3551 | /* let user_space know that device is offline */ | |
3552 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3553 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3554 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3555 | return 0; |
3556 | } | |
3557 | ||
3558 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) | |
3559 | { | |
3560 | return __qeth_l3_set_offline(cgdev, 0); | |
3561 | } | |
3562 | ||
3563 | static int qeth_l3_recover(void *ptr) | |
3564 | { | |
3565 | struct qeth_card *card; | |
3566 | int rc = 0; | |
3567 | ||
3568 | card = (struct qeth_card *) ptr; | |
847a50fd CO |
3569 | QETH_CARD_TEXT(card, 2, "recover1"); |
3570 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3571 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
3572 | return 0; | |
847a50fd | 3573 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
3574 | dev_warn(&card->gdev->dev, |
3575 | "A recovery process has been started for the device\n"); | |
4a71df50 FB |
3576 | __qeth_l3_set_offline(card->gdev, 1); |
3577 | rc = __qeth_l3_set_online(card->gdev, 1); | |
4a71df50 | 3578 | if (!rc) |
74eacdb9 FB |
3579 | dev_info(&card->gdev->dev, |
3580 | "Device successfully recovered!\n"); | |
28a7e4c9 UB |
3581 | else { |
3582 | rtnl_lock(); | |
3583 | dev_close(card->dev); | |
3584 | rtnl_unlock(); | |
74eacdb9 FB |
3585 | dev_warn(&card->gdev->dev, "The qeth device driver " |
3586 | "failed to recover an error on the device\n"); | |
28a7e4c9 | 3587 | } |
a1c3ed4c FB |
3588 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
3589 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
3590 | return 0; |
3591 | } | |
3592 | ||
3593 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) | |
3594 | { | |
3595 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
4a71df50 FB |
3596 | qeth_qdio_clear_card(card, 0); |
3597 | qeth_clear_qdio_buffers(card); | |
3598 | } | |
3599 | ||
bbcfcdc8 FB |
3600 | static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) |
3601 | { | |
3602 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3603 | ||
3604 | if (card->dev) | |
3605 | netif_device_detach(card->dev); | |
3606 | qeth_set_allowed_threads(card, 0, 1); | |
3607 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
3608 | if (gdev->state == CCWGROUP_OFFLINE) | |
3609 | return 0; | |
3610 | if (card->state == CARD_STATE_UP) { | |
bbcfcdc8 FB |
3611 | __qeth_l3_set_offline(card->gdev, 1); |
3612 | } else | |
3613 | __qeth_l3_set_offline(card->gdev, 0); | |
3614 | return 0; | |
3615 | } | |
3616 | ||
3617 | static int qeth_l3_pm_resume(struct ccwgroup_device *gdev) | |
3618 | { | |
3619 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3620 | int rc = 0; | |
3621 | ||
3622 | if (gdev->state == CCWGROUP_OFFLINE) | |
3623 | goto out; | |
3624 | ||
3625 | if (card->state == CARD_STATE_RECOVER) { | |
3626 | rc = __qeth_l3_set_online(card->gdev, 1); | |
3627 | if (rc) { | |
869da90b UB |
3628 | rtnl_lock(); |
3629 | dev_close(card->dev); | |
3630 | rtnl_unlock(); | |
bbcfcdc8 FB |
3631 | } |
3632 | } else | |
3633 | rc = __qeth_l3_set_online(card->gdev, 0); | |
3634 | out: | |
3635 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
3636 | if (card->dev) | |
3637 | netif_device_attach(card->dev); | |
3638 | if (rc) | |
3639 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
3640 | "failed to recover an error on the device\n"); | |
3641 | return rc; | |
3642 | } | |
3643 | ||
4a71df50 FB |
3644 | struct ccwgroup_driver qeth_l3_ccwgroup_driver = { |
3645 | .probe = qeth_l3_probe_device, | |
3646 | .remove = qeth_l3_remove_device, | |
3647 | .set_online = qeth_l3_set_online, | |
3648 | .set_offline = qeth_l3_set_offline, | |
3649 | .shutdown = qeth_l3_shutdown, | |
bbcfcdc8 FB |
3650 | .freeze = qeth_l3_pm_suspend, |
3651 | .thaw = qeth_l3_pm_resume, | |
3652 | .restore = qeth_l3_pm_resume, | |
4a71df50 FB |
3653 | }; |
3654 | EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver); | |
3655 | ||
3656 | static int qeth_l3_ip_event(struct notifier_block *this, | |
76fef2b6 | 3657 | unsigned long event, void *ptr) |
4a71df50 FB |
3658 | { |
3659 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3660 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; | |
3661 | struct qeth_ipaddr *addr; | |
3662 | struct qeth_card *card; | |
3663 | ||
c346dca1 | 3664 | if (dev_net(dev) != &init_net) |
76fef2b6 DM |
3665 | return NOTIFY_DONE; |
3666 | ||
4a71df50 | 3667 | card = qeth_l3_get_card_from_dev(dev); |
847a50fd | 3668 | QETH_CARD_TEXT(card, 3, "ipevent"); |
4a71df50 FB |
3669 | if (!card) |
3670 | return NOTIFY_DONE; | |
3671 | ||
3672 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
3673 | if (addr != NULL) { | |
3674 | addr->u.a4.addr = ifa->ifa_address; | |
3675 | addr->u.a4.mask = ifa->ifa_mask; | |
3676 | addr->type = QETH_IP_TYPE_NORMAL; | |
3677 | } else | |
3678 | goto out; | |
3679 | ||
3680 | switch (event) { | |
3681 | case NETDEV_UP: | |
3682 | if (!qeth_l3_add_ip(card, addr)) | |
3683 | kfree(addr); | |
3684 | break; | |
3685 | case NETDEV_DOWN: | |
3686 | if (!qeth_l3_delete_ip(card, addr)) | |
3687 | kfree(addr); | |
3688 | break; | |
3689 | default: | |
3690 | break; | |
3691 | } | |
3692 | qeth_l3_set_ip_addr_list(card); | |
3693 | out: | |
3694 | return NOTIFY_DONE; | |
3695 | } | |
3696 | ||
3697 | static struct notifier_block qeth_l3_ip_notifier = { | |
3698 | qeth_l3_ip_event, | |
3699 | NULL, | |
3700 | }; | |
3701 | ||
3702 | #ifdef CONFIG_QETH_IPV6 | |
3703 | /** | |
3704 | * IPv6 event handler | |
3705 | */ | |
3706 | static int qeth_l3_ip6_event(struct notifier_block *this, | |
76fef2b6 | 3707 | unsigned long event, void *ptr) |
4a71df50 FB |
3708 | { |
3709 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
3710 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
3711 | struct qeth_ipaddr *addr; | |
3712 | struct qeth_card *card; | |
3713 | ||
4a71df50 FB |
3714 | |
3715 | card = qeth_l3_get_card_from_dev(dev); | |
3716 | if (!card) | |
3717 | return NOTIFY_DONE; | |
847a50fd | 3718 | QETH_CARD_TEXT(card, 3, "ip6event"); |
4a71df50 FB |
3719 | if (!qeth_is_supported(card, IPA_IPV6)) |
3720 | return NOTIFY_DONE; | |
3721 | ||
3722 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
3723 | if (addr != NULL) { | |
3724 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
3725 | addr->u.a6.pfxlen = ifa->prefix_len; | |
3726 | addr->type = QETH_IP_TYPE_NORMAL; | |
3727 | } else | |
3728 | goto out; | |
3729 | ||
3730 | switch (event) { | |
3731 | case NETDEV_UP: | |
3732 | if (!qeth_l3_add_ip(card, addr)) | |
3733 | kfree(addr); | |
3734 | break; | |
3735 | case NETDEV_DOWN: | |
3736 | if (!qeth_l3_delete_ip(card, addr)) | |
3737 | kfree(addr); | |
3738 | break; | |
3739 | default: | |
3740 | break; | |
3741 | } | |
3742 | qeth_l3_set_ip_addr_list(card); | |
3743 | out: | |
3744 | return NOTIFY_DONE; | |
3745 | } | |
3746 | ||
3747 | static struct notifier_block qeth_l3_ip6_notifier = { | |
3748 | qeth_l3_ip6_event, | |
3749 | NULL, | |
3750 | }; | |
3751 | #endif | |
3752 | ||
3753 | static int qeth_l3_register_notifiers(void) | |
3754 | { | |
3755 | int rc; | |
3756 | ||
847a50fd | 3757 | QETH_DBF_TEXT(SETUP, 5, "regnotif"); |
4a71df50 FB |
3758 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
3759 | if (rc) | |
3760 | return rc; | |
3761 | #ifdef CONFIG_QETH_IPV6 | |
3762 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); | |
3763 | if (rc) { | |
3764 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
3765 | return rc; | |
3766 | } | |
3767 | #else | |
74eacdb9 | 3768 | pr_warning("There is no IPv6 support for the layer 3 discipline\n"); |
4a71df50 FB |
3769 | #endif |
3770 | return 0; | |
3771 | } | |
3772 | ||
3773 | static void qeth_l3_unregister_notifiers(void) | |
3774 | { | |
3775 | ||
847a50fd | 3776 | QETH_DBF_TEXT(SETUP, 5, "unregnot"); |
4a71df50 FB |
3777 | BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
3778 | #ifdef CONFIG_QETH_IPV6 | |
3779 | BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); | |
3780 | #endif /* QETH_IPV6 */ | |
3781 | } | |
3782 | ||
3783 | static int __init qeth_l3_init(void) | |
3784 | { | |
3785 | int rc = 0; | |
3786 | ||
74eacdb9 | 3787 | pr_info("register layer 3 discipline\n"); |
4a71df50 FB |
3788 | rc = qeth_l3_register_notifiers(); |
3789 | return rc; | |
3790 | } | |
3791 | ||
3792 | static void __exit qeth_l3_exit(void) | |
3793 | { | |
3794 | qeth_l3_unregister_notifiers(); | |
74eacdb9 | 3795 | pr_info("unregister layer 3 discipline\n"); |
4a71df50 FB |
3796 | } |
3797 | ||
3798 | module_init(qeth_l3_init); | |
3799 | module_exit(qeth_l3_exit); | |
3800 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
3801 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
3802 | MODULE_LICENSE("GPL"); |