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> | |
7ff0bcf6 | 16 | #include <linux/bitops.h> |
4a71df50 FB |
17 | #include <linux/string.h> |
18 | #include <linux/errno.h> | |
19 | #include <linux/kernel.h> | |
20 | #include <linux/etherdevice.h> | |
21 | #include <linux/mii.h> | |
22 | #include <linux/ip.h> | |
64ef8957 | 23 | #include <linux/ipv6.h> |
4a71df50 FB |
24 | #include <linux/inetdevice.h> |
25 | #include <linux/igmp.h> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
7ff0bcf6 | 27 | #include <linux/if_vlan.h> |
4a71df50 FB |
28 | |
29 | #include <net/ip.h> | |
30 | #include <net/arp.h> | |
64ef8957 | 31 | #include <net/ip6_checksum.h> |
b3332930 | 32 | #include <net/iucv/af_iucv.h> |
4a71df50 | 33 | |
4a71df50 | 34 | #include "qeth_l3.h" |
4a71df50 | 35 | |
d0ddf30f | 36 | |
4a71df50 FB |
37 | static int qeth_l3_set_offline(struct ccwgroup_device *); |
38 | static int qeth_l3_recover(void *); | |
39 | static int qeth_l3_stop(struct net_device *); | |
40 | static void qeth_l3_set_multicast_list(struct net_device *); | |
41 | static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *); | |
42 | static int qeth_l3_register_addr_entry(struct qeth_card *, | |
43 | struct qeth_ipaddr *); | |
44 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, | |
45 | struct qeth_ipaddr *); | |
46 | static int __qeth_l3_set_online(struct ccwgroup_device *, int); | |
47 | static int __qeth_l3_set_offline(struct ccwgroup_device *, int); | |
48 | ||
4a71df50 FB |
49 | static int qeth_l3_isxdigit(char *buf) |
50 | { | |
51 | while (*buf) { | |
52 | if (!isxdigit(*buf++)) | |
53 | return 0; | |
54 | } | |
55 | return 1; | |
56 | } | |
57 | ||
58 | void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) | |
59 | { | |
60 | sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); | |
61 | } | |
62 | ||
63 | int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) | |
64 | { | |
65 | int count = 0, rc = 0; | |
66 | int in[4]; | |
67 | char c; | |
68 | ||
69 | rc = sscanf(buf, "%u.%u.%u.%u%c", | |
70 | &in[0], &in[1], &in[2], &in[3], &c); | |
71 | if (rc != 4 && (rc != 5 || c != '\n')) | |
72 | return -EINVAL; | |
73 | for (count = 0; count < 4; count++) { | |
74 | if (in[count] > 255) | |
75 | return -EINVAL; | |
76 | addr[count] = in[count]; | |
77 | } | |
78 | return 0; | |
79 | } | |
80 | ||
81 | void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) | |
82 | { | |
963a9fd2 | 83 | sprintf(buf, "%pI6", addr); |
4a71df50 FB |
84 | } |
85 | ||
86 | int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) | |
87 | { | |
88 | const char *end, *end_tmp, *start; | |
89 | __u16 *in; | |
90 | char num[5]; | |
91 | int num2, cnt, out, found, save_cnt; | |
92 | unsigned short in_tmp[8] = {0, }; | |
93 | ||
94 | cnt = out = found = save_cnt = num2 = 0; | |
95 | end = start = buf; | |
96 | in = (__u16 *) addr; | |
97 | memset(in, 0, 16); | |
98 | while (*end) { | |
99 | end = strchr(start, ':'); | |
100 | if (end == NULL) { | |
101 | end = buf + strlen(buf); | |
102 | end_tmp = strchr(start, '\n'); | |
103 | if (end_tmp != NULL) | |
104 | end = end_tmp; | |
105 | out = 1; | |
106 | } | |
107 | if ((end - start)) { | |
108 | memset(num, 0, 5); | |
109 | if ((end - start) > 4) | |
110 | return -EINVAL; | |
111 | memcpy(num, start, end - start); | |
112 | if (!qeth_l3_isxdigit(num)) | |
113 | return -EINVAL; | |
114 | sscanf(start, "%x", &num2); | |
115 | if (found) | |
116 | in_tmp[save_cnt++] = num2; | |
117 | else | |
118 | in[cnt++] = num2; | |
119 | if (out) | |
120 | break; | |
121 | } else { | |
122 | if (found) | |
123 | return -EINVAL; | |
124 | found = 1; | |
125 | } | |
126 | start = ++end; | |
127 | } | |
128 | if (cnt + save_cnt > 8) | |
129 | return -EINVAL; | |
130 | cnt = 7; | |
131 | while (save_cnt) | |
132 | in[cnt--] = in_tmp[--save_cnt]; | |
133 | return 0; | |
134 | } | |
135 | ||
136 | void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, | |
137 | char *buf) | |
138 | { | |
139 | if (proto == QETH_PROT_IPV4) | |
140 | qeth_l3_ipaddr4_to_string(addr, buf); | |
141 | else if (proto == QETH_PROT_IPV6) | |
142 | qeth_l3_ipaddr6_to_string(addr, buf); | |
143 | } | |
144 | ||
145 | int qeth_l3_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, | |
146 | __u8 *addr) | |
147 | { | |
148 | if (proto == QETH_PROT_IPV4) | |
149 | return qeth_l3_string_to_ipaddr4(buf, addr); | |
150 | else if (proto == QETH_PROT_IPV6) | |
151 | return qeth_l3_string_to_ipaddr6(buf, addr); | |
152 | else | |
153 | return -EINVAL; | |
154 | } | |
155 | ||
156 | static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) | |
157 | { | |
158 | int i, j; | |
159 | u8 octet; | |
160 | ||
161 | for (i = 0; i < len; ++i) { | |
162 | octet = addr[i]; | |
163 | for (j = 7; j >= 0; --j) { | |
164 | bits[i*8 + j] = octet & 1; | |
165 | octet >>= 1; | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
6298263a | 170 | int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, |
4a71df50 FB |
171 | struct qeth_ipaddr *addr) |
172 | { | |
173 | struct qeth_ipato_entry *ipatoe; | |
174 | u8 addr_bits[128] = {0, }; | |
175 | u8 ipatoe_bits[128] = {0, }; | |
176 | int rc = 0; | |
177 | ||
178 | if (!card->ipato.enabled) | |
179 | return 0; | |
180 | ||
181 | qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
182 | (addr->proto == QETH_PROT_IPV4)? 4:16); | |
183 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
184 | if (addr->proto != ipatoe->proto) | |
185 | continue; | |
186 | qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
187 | (ipatoe->proto == QETH_PROT_IPV4) ? | |
188 | 4 : 16); | |
189 | if (addr->proto == QETH_PROT_IPV4) | |
190 | rc = !memcmp(addr_bits, ipatoe_bits, | |
191 | min(32, ipatoe->mask_bits)); | |
192 | else | |
193 | rc = !memcmp(addr_bits, ipatoe_bits, | |
194 | min(128, ipatoe->mask_bits)); | |
195 | if (rc) | |
196 | break; | |
197 | } | |
198 | /* invert? */ | |
199 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
200 | rc = !rc; | |
201 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
202 | rc = !rc; | |
203 | ||
204 | return rc; | |
205 | } | |
206 | ||
207 | /* | |
208 | * Add IP to be added to todo list. If there is already an "add todo" | |
209 | * in this list we just incremenent the reference count. | |
210 | * Returns 0 if we just incremented reference count. | |
211 | */ | |
212 | static int __qeth_l3_insert_ip_todo(struct qeth_card *card, | |
213 | struct qeth_ipaddr *addr, int add) | |
214 | { | |
215 | struct qeth_ipaddr *tmp, *t; | |
216 | int found = 0; | |
217 | ||
76b11f8e UB |
218 | if (card->options.sniffer) |
219 | return 0; | |
4a71df50 FB |
220 | list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { |
221 | if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && | |
222 | (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) | |
223 | return 0; | |
224 | if ((tmp->proto == QETH_PROT_IPV4) && | |
225 | (addr->proto == QETH_PROT_IPV4) && | |
226 | (tmp->type == addr->type) && | |
227 | (tmp->is_multicast == addr->is_multicast) && | |
228 | (tmp->u.a4.addr == addr->u.a4.addr) && | |
229 | (tmp->u.a4.mask == addr->u.a4.mask)) { | |
230 | found = 1; | |
231 | break; | |
232 | } | |
233 | if ((tmp->proto == QETH_PROT_IPV6) && | |
234 | (addr->proto == QETH_PROT_IPV6) && | |
235 | (tmp->type == addr->type) && | |
236 | (tmp->is_multicast == addr->is_multicast) && | |
237 | (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && | |
238 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
239 | sizeof(struct in6_addr)) == 0)) { | |
240 | found = 1; | |
241 | break; | |
242 | } | |
243 | } | |
244 | if (found) { | |
245 | if (addr->users != 0) | |
246 | tmp->users += addr->users; | |
247 | else | |
248 | tmp->users += add ? 1 : -1; | |
249 | if (tmp->users == 0) { | |
250 | list_del(&tmp->entry); | |
251 | kfree(tmp); | |
252 | } | |
253 | return 0; | |
254 | } else { | |
255 | if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) | |
256 | list_add(&addr->entry, card->ip_tbd_list); | |
257 | else { | |
258 | if (addr->users == 0) | |
259 | addr->users += add ? 1 : -1; | |
260 | if (add && (addr->type == QETH_IP_TYPE_NORMAL) && | |
261 | qeth_l3_is_addr_covered_by_ipato(card, addr)) { | |
847a50fd | 262 | QETH_CARD_TEXT(card, 2, "tkovaddr"); |
4a71df50 FB |
263 | addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; |
264 | } | |
265 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
266 | } | |
267 | return 1; | |
268 | } | |
269 | } | |
270 | ||
b3332930 | 271 | int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) |
4a71df50 FB |
272 | { |
273 | unsigned long flags; | |
274 | int rc = 0; | |
275 | ||
847a50fd | 276 | QETH_CARD_TEXT(card, 4, "delip"); |
4a71df50 FB |
277 | |
278 | if (addr->proto == QETH_PROT_IPV4) | |
847a50fd | 279 | QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4); |
4a71df50 | 280 | else { |
847a50fd CO |
281 | QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8); |
282 | QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 FB |
283 | } |
284 | spin_lock_irqsave(&card->ip_lock, flags); | |
285 | rc = __qeth_l3_insert_ip_todo(card, addr, 0); | |
286 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
287 | return rc; | |
288 | } | |
289 | ||
b3332930 | 290 | int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) |
4a71df50 FB |
291 | { |
292 | unsigned long flags; | |
293 | int rc = 0; | |
294 | ||
847a50fd | 295 | QETH_CARD_TEXT(card, 4, "addip"); |
4a71df50 | 296 | if (addr->proto == QETH_PROT_IPV4) |
847a50fd | 297 | QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4); |
4a71df50 | 298 | else { |
847a50fd CO |
299 | QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8); |
300 | QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 FB |
301 | } |
302 | spin_lock_irqsave(&card->ip_lock, flags); | |
303 | rc = __qeth_l3_insert_ip_todo(card, addr, 1); | |
304 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
305 | return rc; | |
306 | } | |
307 | ||
308 | ||
b3332930 | 309 | struct qeth_ipaddr *qeth_l3_get_addr_buffer( |
4a71df50 FB |
310 | enum qeth_prot_versions prot) |
311 | { | |
312 | struct qeth_ipaddr *addr; | |
313 | ||
314 | addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); | |
315 | if (addr == NULL) { | |
4a71df50 FB |
316 | return NULL; |
317 | } | |
318 | addr->type = QETH_IP_TYPE_NORMAL; | |
319 | addr->proto = prot; | |
320 | return addr; | |
321 | } | |
322 | ||
323 | static void qeth_l3_delete_mc_addresses(struct qeth_card *card) | |
324 | { | |
325 | struct qeth_ipaddr *iptodo; | |
326 | unsigned long flags; | |
327 | ||
847a50fd | 328 | QETH_CARD_TEXT(card, 4, "delmc"); |
4a71df50 FB |
329 | iptodo = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
330 | if (!iptodo) { | |
847a50fd | 331 | QETH_CARD_TEXT(card, 2, "dmcnomem"); |
4a71df50 FB |
332 | return; |
333 | } | |
334 | iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; | |
335 | spin_lock_irqsave(&card->ip_lock, flags); | |
336 | if (!__qeth_l3_insert_ip_todo(card, iptodo, 0)) | |
337 | kfree(iptodo); | |
338 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
339 | } | |
340 | ||
341 | /* | |
342 | * Add/remove address to/from card's ip list, i.e. try to add or remove | |
343 | * reference to/from an IP address that is already registered on the card. | |
344 | * Returns: | |
345 | * 0 address was on card and its reference count has been adjusted, | |
346 | * but is still > 0, so nothing has to be done | |
347 | * also returns 0 if card was not on card and the todo was to delete | |
348 | * the address -> there is also nothing to be done | |
349 | * 1 address was not on card and the todo is to add it to the card's ip | |
350 | * list | |
351 | * -1 address was on card and its reference count has been decremented | |
352 | * to <= 0 by the todo -> address must be removed from card | |
353 | */ | |
354 | static int __qeth_l3_ref_ip_on_card(struct qeth_card *card, | |
355 | struct qeth_ipaddr *todo, struct qeth_ipaddr **__addr) | |
356 | { | |
357 | struct qeth_ipaddr *addr; | |
358 | int found = 0; | |
359 | ||
360 | list_for_each_entry(addr, &card->ip_list, entry) { | |
361 | if ((addr->proto == QETH_PROT_IPV4) && | |
362 | (todo->proto == QETH_PROT_IPV4) && | |
363 | (addr->type == todo->type) && | |
364 | (addr->u.a4.addr == todo->u.a4.addr) && | |
365 | (addr->u.a4.mask == todo->u.a4.mask)) { | |
366 | found = 1; | |
367 | break; | |
368 | } | |
369 | if ((addr->proto == QETH_PROT_IPV6) && | |
370 | (todo->proto == QETH_PROT_IPV6) && | |
371 | (addr->type == todo->type) && | |
372 | (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && | |
373 | (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, | |
374 | sizeof(struct in6_addr)) == 0)) { | |
375 | found = 1; | |
376 | break; | |
377 | } | |
378 | } | |
379 | if (found) { | |
380 | addr->users += todo->users; | |
381 | if (addr->users <= 0) { | |
382 | *__addr = addr; | |
383 | return -1; | |
384 | } else { | |
385 | /* for VIPA and RXIP limit refcount to 1 */ | |
386 | if (addr->type != QETH_IP_TYPE_NORMAL) | |
387 | addr->users = 1; | |
388 | return 0; | |
389 | } | |
390 | } | |
391 | if (todo->users > 0) { | |
392 | /* for VIPA and RXIP limit refcount to 1 */ | |
393 | if (todo->type != QETH_IP_TYPE_NORMAL) | |
394 | todo->users = 1; | |
395 | return 1; | |
396 | } else | |
397 | return 0; | |
398 | } | |
399 | ||
400 | static void __qeth_l3_delete_all_mc(struct qeth_card *card, | |
401 | unsigned long *flags) | |
402 | { | |
2d921c32 | 403 | struct list_head fail_list; |
4a71df50 FB |
404 | struct qeth_ipaddr *addr, *tmp; |
405 | int rc; | |
2d921c32 UB |
406 | |
407 | INIT_LIST_HEAD(&fail_list); | |
4a71df50 FB |
408 | again: |
409 | list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { | |
410 | if (addr->is_multicast) { | |
411 | list_del(&addr->entry); | |
412 | spin_unlock_irqrestore(&card->ip_lock, *flags); | |
413 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
414 | spin_lock_irqsave(&card->ip_lock, *flags); | |
2d921c32 | 415 | if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND)) |
4a71df50 | 416 | kfree(addr); |
2d921c32 UB |
417 | else |
418 | list_add_tail(&addr->entry, &fail_list); | |
419 | goto again; | |
4a71df50 FB |
420 | } |
421 | } | |
2d921c32 | 422 | list_splice(&fail_list, &card->ip_list); |
4a71df50 FB |
423 | } |
424 | ||
b3332930 | 425 | void qeth_l3_set_ip_addr_list(struct qeth_card *card) |
4a71df50 FB |
426 | { |
427 | struct list_head *tbd_list; | |
428 | struct qeth_ipaddr *todo, *addr; | |
429 | unsigned long flags; | |
430 | int rc; | |
431 | ||
847a50fd CO |
432 | QETH_CARD_TEXT(card, 2, "sdiplist"); |
433 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 | 434 | |
f154b79c EL |
435 | if ((card->state != CARD_STATE_UP && |
436 | card->state != CARD_STATE_SOFTSETUP) || card->options.sniffer) { | |
76b11f8e | 437 | return; |
f154b79c EL |
438 | } |
439 | ||
4a71df50 FB |
440 | spin_lock_irqsave(&card->ip_lock, flags); |
441 | tbd_list = card->ip_tbd_list; | |
b3332930 | 442 | card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_ATOMIC); |
4a71df50 | 443 | if (!card->ip_tbd_list) { |
847a50fd | 444 | QETH_CARD_TEXT(card, 0, "silnomem"); |
4a71df50 FB |
445 | card->ip_tbd_list = tbd_list; |
446 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
447 | return; | |
448 | } else | |
449 | INIT_LIST_HEAD(card->ip_tbd_list); | |
450 | ||
451 | while (!list_empty(tbd_list)) { | |
452 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); | |
453 | list_del(&todo->entry); | |
454 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC) { | |
455 | __qeth_l3_delete_all_mc(card, &flags); | |
456 | kfree(todo); | |
457 | continue; | |
458 | } | |
459 | rc = __qeth_l3_ref_ip_on_card(card, todo, &addr); | |
460 | if (rc == 0) { | |
461 | /* nothing to be done; only adjusted refcount */ | |
462 | kfree(todo); | |
463 | } else if (rc == 1) { | |
464 | /* new entry to be added to on-card list */ | |
465 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
466 | rc = qeth_l3_register_addr_entry(card, todo); | |
467 | spin_lock_irqsave(&card->ip_lock, flags); | |
3caa4af8 | 468 | if (!rc || (rc == IPA_RC_LAN_OFFLINE)) |
4a71df50 FB |
469 | list_add_tail(&todo->entry, &card->ip_list); |
470 | else | |
471 | kfree(todo); | |
472 | } else if (rc == -1) { | |
473 | /* on-card entry to be removed */ | |
474 | list_del_init(&addr->entry); | |
475 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
476 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
477 | spin_lock_irqsave(&card->ip_lock, flags); | |
76b11f8e | 478 | if (!rc || (rc == IPA_RC_IP_ADDRESS_NOT_DEFINED)) |
4a71df50 FB |
479 | kfree(addr); |
480 | else | |
481 | list_add_tail(&addr->entry, &card->ip_list); | |
482 | kfree(todo); | |
483 | } | |
484 | } | |
485 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
486 | kfree(tbd_list); | |
487 | } | |
488 | ||
70919e23 | 489 | static void qeth_l3_clear_ip_list(struct qeth_card *card, int recover) |
4a71df50 FB |
490 | { |
491 | struct qeth_ipaddr *addr, *tmp; | |
492 | unsigned long flags; | |
493 | ||
847a50fd | 494 | QETH_CARD_TEXT(card, 4, "clearip"); |
76b11f8e UB |
495 | if (recover && card->options.sniffer) |
496 | return; | |
4a71df50 FB |
497 | spin_lock_irqsave(&card->ip_lock, flags); |
498 | /* clear todo list */ | |
499 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) { | |
500 | list_del(&addr->entry); | |
501 | kfree(addr); | |
502 | } | |
503 | ||
504 | while (!list_empty(&card->ip_list)) { | |
505 | addr = list_entry(card->ip_list.next, | |
506 | struct qeth_ipaddr, entry); | |
507 | list_del_init(&addr->entry); | |
4a71df50 FB |
508 | if (!recover || addr->is_multicast) { |
509 | kfree(addr); | |
510 | continue; | |
511 | } | |
512 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
513 | } | |
514 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
515 | } | |
516 | ||
517 | static int qeth_l3_address_exists_in_list(struct list_head *list, | |
518 | struct qeth_ipaddr *addr, int same_type) | |
519 | { | |
520 | struct qeth_ipaddr *tmp; | |
521 | ||
522 | list_for_each_entry(tmp, list, entry) { | |
523 | if ((tmp->proto == QETH_PROT_IPV4) && | |
524 | (addr->proto == QETH_PROT_IPV4) && | |
525 | ((same_type && (tmp->type == addr->type)) || | |
526 | (!same_type && (tmp->type != addr->type))) && | |
527 | (tmp->u.a4.addr == addr->u.a4.addr)) | |
528 | return 1; | |
529 | ||
530 | if ((tmp->proto == QETH_PROT_IPV6) && | |
531 | (addr->proto == QETH_PROT_IPV6) && | |
532 | ((same_type && (tmp->type == addr->type)) || | |
533 | (!same_type && (tmp->type != addr->type))) && | |
534 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
535 | sizeof(struct in6_addr)) == 0)) | |
536 | return 1; | |
537 | ||
538 | } | |
539 | return 0; | |
540 | } | |
541 | ||
542 | static int qeth_l3_send_setdelmc(struct qeth_card *card, | |
543 | struct qeth_ipaddr *addr, int ipacmd) | |
544 | { | |
545 | int rc; | |
546 | struct qeth_cmd_buffer *iob; | |
547 | struct qeth_ipa_cmd *cmd; | |
548 | ||
847a50fd | 549 | QETH_CARD_TEXT(card, 4, "setdelmc"); |
4a71df50 FB |
550 | |
551 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
552 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
553 | memcpy(&cmd->data.setdelipm.mac, addr->mac, OSA_ADDR_LEN); | |
554 | if (addr->proto == QETH_PROT_IPV6) | |
555 | memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, | |
556 | sizeof(struct in6_addr)); | |
557 | else | |
558 | memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr, 4); | |
559 | ||
560 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
561 | ||
562 | return rc; | |
563 | } | |
564 | ||
565 | static void qeth_l3_fill_netmask(u8 *netmask, unsigned int len) | |
566 | { | |
567 | int i, j; | |
568 | for (i = 0; i < 16; i++) { | |
569 | j = (len) - (i * 8); | |
570 | if (j >= 8) | |
571 | netmask[i] = 0xff; | |
572 | else if (j > 0) | |
573 | netmask[i] = (u8)(0xFF00 >> j); | |
574 | else | |
575 | netmask[i] = 0; | |
576 | } | |
577 | } | |
578 | ||
579 | static int qeth_l3_send_setdelip(struct qeth_card *card, | |
580 | struct qeth_ipaddr *addr, int ipacmd, unsigned int flags) | |
581 | { | |
582 | int rc; | |
583 | struct qeth_cmd_buffer *iob; | |
584 | struct qeth_ipa_cmd *cmd; | |
585 | __u8 netmask[16]; | |
586 | ||
847a50fd CO |
587 | QETH_CARD_TEXT(card, 4, "setdelip"); |
588 | QETH_CARD_TEXT_(card, 4, "flags%02X", flags); | |
4a71df50 FB |
589 | |
590 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
591 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
592 | if (addr->proto == QETH_PROT_IPV6) { | |
593 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, | |
594 | sizeof(struct in6_addr)); | |
595 | qeth_l3_fill_netmask(netmask, addr->u.a6.pfxlen); | |
596 | memcpy(cmd->data.setdelip6.mask, netmask, | |
597 | sizeof(struct in6_addr)); | |
598 | cmd->data.setdelip6.flags = flags; | |
599 | } else { | |
600 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); | |
601 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); | |
602 | cmd->data.setdelip4.flags = flags; | |
603 | } | |
604 | ||
605 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
606 | ||
607 | return rc; | |
608 | } | |
609 | ||
610 | static int qeth_l3_send_setrouting(struct qeth_card *card, | |
611 | enum qeth_routing_types type, enum qeth_prot_versions prot) | |
612 | { | |
613 | int rc; | |
614 | struct qeth_ipa_cmd *cmd; | |
615 | struct qeth_cmd_buffer *iob; | |
616 | ||
847a50fd | 617 | QETH_CARD_TEXT(card, 4, "setroutg"); |
4a71df50 FB |
618 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); |
619 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
620 | cmd->data.setrtg.type = (type); | |
621 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
622 | ||
623 | return rc; | |
624 | } | |
625 | ||
626 | static void qeth_l3_correct_routing_type(struct qeth_card *card, | |
627 | enum qeth_routing_types *type, enum qeth_prot_versions prot) | |
628 | { | |
629 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
630 | switch (*type) { | |
631 | case NO_ROUTER: | |
632 | case PRIMARY_CONNECTOR: | |
633 | case SECONDARY_CONNECTOR: | |
634 | case MULTICAST_ROUTER: | |
635 | return; | |
636 | default: | |
637 | goto out_inval; | |
638 | } | |
639 | } else { | |
640 | switch (*type) { | |
641 | case NO_ROUTER: | |
642 | case PRIMARY_ROUTER: | |
643 | case SECONDARY_ROUTER: | |
644 | return; | |
645 | case MULTICAST_ROUTER: | |
646 | if (qeth_is_ipafunc_supported(card, prot, | |
647 | IPA_OSA_MC_ROUTER)) | |
648 | return; | |
649 | default: | |
650 | goto out_inval; | |
651 | } | |
652 | } | |
653 | out_inval: | |
4a71df50 FB |
654 | *type = NO_ROUTER; |
655 | } | |
656 | ||
657 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
658 | { | |
659 | int rc; | |
660 | ||
847a50fd | 661 | QETH_CARD_TEXT(card, 3, "setrtg4"); |
4a71df50 FB |
662 | |
663 | qeth_l3_correct_routing_type(card, &card->options.route4.type, | |
664 | QETH_PROT_IPV4); | |
665 | ||
666 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
667 | QETH_PROT_IPV4); | |
668 | if (rc) { | |
669 | card->options.route4.type = NO_ROUTER; | |
14cc21b6 FB |
670 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
671 | " on %s. Type set to 'no router'.\n", rc, | |
672 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
673 | } |
674 | return rc; | |
675 | } | |
676 | ||
677 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
678 | { | |
679 | int rc = 0; | |
680 | ||
847a50fd | 681 | QETH_CARD_TEXT(card, 3, "setrtg6"); |
4a71df50 FB |
682 | #ifdef CONFIG_QETH_IPV6 |
683 | ||
684 | if (!qeth_is_supported(card, IPA_IPV6)) | |
685 | return 0; | |
686 | qeth_l3_correct_routing_type(card, &card->options.route6.type, | |
687 | QETH_PROT_IPV6); | |
688 | ||
689 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
690 | QETH_PROT_IPV6); | |
691 | if (rc) { | |
692 | card->options.route6.type = NO_ROUTER; | |
14cc21b6 FB |
693 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
694 | " on %s. Type set to 'no router'.\n", rc, | |
695 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
696 | } |
697 | #endif | |
698 | return rc; | |
699 | } | |
700 | ||
701 | /* | |
702 | * IP address takeover related functions | |
703 | */ | |
704 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) | |
705 | { | |
706 | ||
707 | struct qeth_ipato_entry *ipatoe, *tmp; | |
708 | unsigned long flags; | |
709 | ||
710 | spin_lock_irqsave(&card->ip_lock, flags); | |
711 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
712 | list_del(&ipatoe->entry); | |
713 | kfree(ipatoe); | |
714 | } | |
715 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
716 | } | |
717 | ||
718 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
719 | struct qeth_ipato_entry *new) | |
720 | { | |
721 | struct qeth_ipato_entry *ipatoe; | |
722 | unsigned long flags; | |
723 | int rc = 0; | |
724 | ||
847a50fd | 725 | QETH_CARD_TEXT(card, 2, "addipato"); |
4a71df50 FB |
726 | spin_lock_irqsave(&card->ip_lock, flags); |
727 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
728 | if (ipatoe->proto != new->proto) | |
729 | continue; | |
730 | if (!memcmp(ipatoe->addr, new->addr, | |
731 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
732 | (ipatoe->mask_bits == new->mask_bits)) { | |
4a71df50 FB |
733 | rc = -EEXIST; |
734 | break; | |
735 | } | |
736 | } | |
737 | if (!rc) | |
738 | list_add_tail(&new->entry, &card->ipato.entries); | |
739 | ||
740 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
741 | return rc; | |
742 | } | |
743 | ||
744 | void qeth_l3_del_ipato_entry(struct qeth_card *card, | |
745 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) | |
746 | { | |
747 | struct qeth_ipato_entry *ipatoe, *tmp; | |
748 | unsigned long flags; | |
749 | ||
847a50fd | 750 | QETH_CARD_TEXT(card, 2, "delipato"); |
4a71df50 FB |
751 | spin_lock_irqsave(&card->ip_lock, flags); |
752 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
753 | if (ipatoe->proto != proto) | |
754 | continue; | |
755 | if (!memcmp(ipatoe->addr, addr, | |
756 | (proto == QETH_PROT_IPV4)? 4:16) && | |
757 | (ipatoe->mask_bits == mask_bits)) { | |
758 | list_del(&ipatoe->entry); | |
759 | kfree(ipatoe); | |
760 | } | |
761 | } | |
762 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
763 | } | |
764 | ||
765 | /* | |
766 | * VIPA related functions | |
767 | */ | |
768 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
769 | const u8 *addr) | |
770 | { | |
771 | struct qeth_ipaddr *ipaddr; | |
772 | unsigned long flags; | |
773 | int rc = 0; | |
774 | ||
775 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
776 | if (ipaddr) { | |
777 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 778 | QETH_CARD_TEXT(card, 2, "addvipa4"); |
4a71df50 FB |
779 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
780 | ipaddr->u.a4.mask = 0; | |
781 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 782 | QETH_CARD_TEXT(card, 2, "addvipa6"); |
4a71df50 FB |
783 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
784 | ipaddr->u.a6.pfxlen = 0; | |
785 | } | |
786 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
787 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
788 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
789 | } else | |
790 | return -ENOMEM; | |
791 | spin_lock_irqsave(&card->ip_lock, flags); | |
792 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
793 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
794 | rc = -EEXIST; | |
795 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
796 | if (rc) { | |
4a71df50 FB |
797 | return rc; |
798 | } | |
799 | if (!qeth_l3_add_ip(card, ipaddr)) | |
800 | kfree(ipaddr); | |
801 | qeth_l3_set_ip_addr_list(card); | |
802 | return rc; | |
803 | } | |
804 | ||
805 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
806 | const u8 *addr) | |
807 | { | |
808 | struct qeth_ipaddr *ipaddr; | |
809 | ||
810 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
811 | if (ipaddr) { | |
812 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 813 | QETH_CARD_TEXT(card, 2, "delvipa4"); |
4a71df50 FB |
814 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
815 | ipaddr->u.a4.mask = 0; | |
816 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 817 | QETH_CARD_TEXT(card, 2, "delvipa6"); |
4a71df50 FB |
818 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
819 | ipaddr->u.a6.pfxlen = 0; | |
820 | } | |
821 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
822 | } else | |
823 | return; | |
824 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
825 | kfree(ipaddr); | |
826 | qeth_l3_set_ip_addr_list(card); | |
827 | } | |
828 | ||
829 | /* | |
830 | * proxy ARP related functions | |
831 | */ | |
832 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
833 | const u8 *addr) | |
834 | { | |
835 | struct qeth_ipaddr *ipaddr; | |
836 | unsigned long flags; | |
837 | int rc = 0; | |
838 | ||
839 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
840 | if (ipaddr) { | |
841 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 842 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
843 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
844 | ipaddr->u.a4.mask = 0; | |
845 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 846 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
847 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
848 | ipaddr->u.a6.pfxlen = 0; | |
849 | } | |
850 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
851 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
852 | ipaddr->del_flags = 0; | |
853 | } else | |
854 | return -ENOMEM; | |
855 | spin_lock_irqsave(&card->ip_lock, flags); | |
856 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
857 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
858 | rc = -EEXIST; | |
859 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
860 | if (rc) { | |
4a71df50 FB |
861 | return rc; |
862 | } | |
863 | if (!qeth_l3_add_ip(card, ipaddr)) | |
864 | kfree(ipaddr); | |
865 | qeth_l3_set_ip_addr_list(card); | |
866 | return 0; | |
867 | } | |
868 | ||
869 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
870 | const u8 *addr) | |
871 | { | |
872 | struct qeth_ipaddr *ipaddr; | |
873 | ||
874 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
875 | if (ipaddr) { | |
876 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 877 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
878 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
879 | ipaddr->u.a4.mask = 0; | |
880 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 881 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
882 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
883 | ipaddr->u.a6.pfxlen = 0; | |
884 | } | |
885 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
886 | } else | |
887 | return; | |
888 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
889 | kfree(ipaddr); | |
890 | qeth_l3_set_ip_addr_list(card); | |
891 | } | |
892 | ||
893 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
894 | struct qeth_ipaddr *addr) | |
895 | { | |
896 | char buf[50]; | |
897 | int rc = 0; | |
898 | int cnt = 3; | |
899 | ||
900 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
901 | QETH_CARD_TEXT(card, 2, "setaddr4"); |
902 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 903 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
904 | QETH_CARD_TEXT(card, 2, "setaddr6"); |
905 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
906 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 907 | } else { |
847a50fd CO |
908 | QETH_CARD_TEXT(card, 2, "setaddr?"); |
909 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
910 | } |
911 | do { | |
912 | if (addr->is_multicast) | |
913 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
914 | else | |
915 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, | |
916 | addr->set_flags); | |
917 | if (rc) | |
847a50fd | 918 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
919 | } while ((--cnt > 0) && rc); |
920 | if (rc) { | |
847a50fd | 921 | QETH_CARD_TEXT(card, 2, "FAILED"); |
4a71df50 | 922 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
74eacdb9 FB |
923 | dev_warn(&card->gdev->dev, |
924 | "Registering IP address %s failed\n", buf); | |
4a71df50 FB |
925 | } |
926 | return rc; | |
927 | } | |
928 | ||
929 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
930 | struct qeth_ipaddr *addr) | |
931 | { | |
932 | int rc = 0; | |
933 | ||
934 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
935 | QETH_CARD_TEXT(card, 2, "deladdr4"); |
936 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 937 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
938 | QETH_CARD_TEXT(card, 2, "deladdr6"); |
939 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
940 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 941 | } else { |
847a50fd CO |
942 | QETH_CARD_TEXT(card, 2, "deladdr?"); |
943 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
944 | } |
945 | if (addr->is_multicast) | |
946 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
947 | else | |
948 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, | |
949 | addr->del_flags); | |
c4cef07c | 950 | if (rc) |
847a50fd | 951 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
952 | |
953 | return rc; | |
954 | } | |
955 | ||
956 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) | |
957 | { | |
958 | if (cast_type == RTN_MULTICAST) | |
959 | return QETH_CAST_MULTICAST; | |
960 | if (cast_type == RTN_BROADCAST) | |
961 | return QETH_CAST_BROADCAST; | |
962 | return QETH_CAST_UNICAST; | |
963 | } | |
964 | ||
965 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) | |
966 | { | |
967 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
968 | if (cast_type == RTN_MULTICAST) | |
969 | return ct | QETH_CAST_MULTICAST; | |
970 | if (cast_type == RTN_ANYCAST) | |
971 | return ct | QETH_CAST_ANYCAST; | |
972 | if (cast_type == RTN_BROADCAST) | |
973 | return ct | QETH_CAST_BROADCAST; | |
974 | return ct | QETH_CAST_UNICAST; | |
975 | } | |
976 | ||
977 | static int qeth_l3_send_setadp_mode(struct qeth_card *card, __u32 command, | |
978 | __u32 mode) | |
979 | { | |
980 | int rc; | |
981 | struct qeth_cmd_buffer *iob; | |
982 | struct qeth_ipa_cmd *cmd; | |
983 | ||
847a50fd | 984 | QETH_CARD_TEXT(card, 4, "adpmode"); |
4a71df50 FB |
985 | |
986 | iob = qeth_get_adapter_cmd(card, command, | |
987 | sizeof(struct qeth_ipacmd_setadpparms)); | |
988 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
989 | cmd->data.setadapterparms.data.mode = mode; | |
990 | rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, | |
991 | NULL); | |
992 | return rc; | |
993 | } | |
994 | ||
995 | static int qeth_l3_setadapter_hstr(struct qeth_card *card) | |
996 | { | |
997 | int rc; | |
998 | ||
847a50fd | 999 | QETH_CARD_TEXT(card, 4, "adphstr"); |
4a71df50 FB |
1000 | |
1001 | if (qeth_adp_supported(card, IPA_SETADP_SET_BROADCAST_MODE)) { | |
1002 | rc = qeth_l3_send_setadp_mode(card, | |
1003 | IPA_SETADP_SET_BROADCAST_MODE, | |
1004 | card->options.broadcast_mode); | |
1005 | if (rc) | |
14cc21b6 | 1006 | QETH_DBF_MESSAGE(2, "couldn't set broadcast mode on " |
4a71df50 FB |
1007 | "device %s: x%x\n", |
1008 | CARD_BUS_ID(card), rc); | |
1009 | rc = qeth_l3_send_setadp_mode(card, | |
1010 | IPA_SETADP_ALTER_MAC_ADDRESS, | |
1011 | card->options.macaddr_mode); | |
1012 | if (rc) | |
14cc21b6 | 1013 | QETH_DBF_MESSAGE(2, "couldn't set macaddr mode on " |
4a71df50 FB |
1014 | "device %s: x%x\n", CARD_BUS_ID(card), rc); |
1015 | return rc; | |
1016 | } | |
1017 | if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) | |
14cc21b6 | 1018 | QETH_DBF_MESSAGE(2, "set adapter parameters not available " |
4a71df50 FB |
1019 | "to set broadcast mode, using ALLRINGS " |
1020 | "on device %s:\n", CARD_BUS_ID(card)); | |
1021 | if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) | |
14cc21b6 | 1022 | QETH_DBF_MESSAGE(2, "set adapter parameters not available " |
4a71df50 FB |
1023 | "to set macaddr mode, using NONCANONICAL " |
1024 | "on device %s:\n", CARD_BUS_ID(card)); | |
1025 | return 0; | |
1026 | } | |
1027 | ||
1028 | static int qeth_l3_setadapter_parms(struct qeth_card *card) | |
1029 | { | |
1030 | int rc; | |
1031 | ||
d11ba0c4 | 1032 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
4a71df50 FB |
1033 | |
1034 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { | |
74eacdb9 FB |
1035 | dev_info(&card->gdev->dev, |
1036 | "set adapter parameters not supported.\n"); | |
d11ba0c4 | 1037 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
4a71df50 FB |
1038 | return 0; |
1039 | } | |
1040 | rc = qeth_query_setadapterparms(card); | |
1041 | if (rc) { | |
74eacdb9 | 1042 | QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: " |
7f6d95e7 | 1043 | "0x%x\n", dev_name(&card->gdev->dev), rc); |
4a71df50 FB |
1044 | return rc; |
1045 | } | |
1046 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
1047 | rc = qeth_setadpparms_change_macaddr(card); | |
1048 | if (rc) | |
74eacdb9 | 1049 | dev_warn(&card->gdev->dev, "Reading the adapter MAC" |
6ea2fde1 | 1050 | " address failed\n"); |
4a71df50 FB |
1051 | } |
1052 | ||
1053 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || | |
1054 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) | |
1055 | rc = qeth_l3_setadapter_hstr(card); | |
1056 | ||
1057 | return rc; | |
1058 | } | |
1059 | ||
1060 | static int qeth_l3_default_setassparms_cb(struct qeth_card *card, | |
1061 | struct qeth_reply *reply, unsigned long data) | |
1062 | { | |
1063 | struct qeth_ipa_cmd *cmd; | |
1064 | ||
847a50fd | 1065 | QETH_CARD_TEXT(card, 4, "defadpcb"); |
4a71df50 FB |
1066 | |
1067 | cmd = (struct qeth_ipa_cmd *) data; | |
1068 | if (cmd->hdr.return_code == 0) { | |
1069 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
1070 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
1071 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1072 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
1073 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1074 | } | |
1075 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
1076 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1077 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1078 | QETH_CARD_TEXT_(card, 3, "csum:%d", card->info.csum_mask); |
4a71df50 | 1079 | } |
f6b85b6c FB |
1080 | if (cmd->data.setassparms.hdr.assist_no == IPA_OUTBOUND_CHECKSUM && |
1081 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1082 | card->info.tx_csum_mask = | |
1083 | cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1084 | QETH_CARD_TEXT_(card, 3, "tcsu:%d", card->info.tx_csum_mask); |
f6b85b6c FB |
1085 | } |
1086 | ||
4a71df50 FB |
1087 | return 0; |
1088 | } | |
1089 | ||
1090 | static struct qeth_cmd_buffer *qeth_l3_get_setassparms_cmd( | |
1091 | struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, | |
1092 | __u16 len, enum qeth_prot_versions prot) | |
1093 | { | |
1094 | struct qeth_cmd_buffer *iob; | |
1095 | struct qeth_ipa_cmd *cmd; | |
1096 | ||
847a50fd | 1097 | QETH_CARD_TEXT(card, 4, "getasscm"); |
4a71df50 FB |
1098 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETASSPARMS, prot); |
1099 | ||
1100 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1101 | cmd->data.setassparms.hdr.assist_no = ipa_func; | |
1102 | cmd->data.setassparms.hdr.length = 8 + len; | |
1103 | cmd->data.setassparms.hdr.command_code = cmd_code; | |
1104 | cmd->data.setassparms.hdr.return_code = 0; | |
1105 | cmd->data.setassparms.hdr.seq_no = 0; | |
1106 | ||
1107 | return iob; | |
1108 | } | |
1109 | ||
1110 | static int qeth_l3_send_setassparms(struct qeth_card *card, | |
1111 | struct qeth_cmd_buffer *iob, __u16 len, long data, | |
1112 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
1113 | unsigned long), | |
1114 | void *reply_param) | |
1115 | { | |
1116 | int rc; | |
1117 | struct qeth_ipa_cmd *cmd; | |
1118 | ||
847a50fd | 1119 | QETH_CARD_TEXT(card, 4, "sendassp"); |
4a71df50 FB |
1120 | |
1121 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1122 | if (len <= sizeof(__u32)) | |
1123 | cmd->data.setassparms.data.flags_32bit = (__u32) data; | |
1124 | else /* (len > sizeof(__u32)) */ | |
1125 | memcpy(&cmd->data.setassparms.data, (void *) data, len); | |
1126 | ||
1127 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); | |
1128 | return rc; | |
1129 | } | |
1130 | ||
1131 | #ifdef CONFIG_QETH_IPV6 | |
1132 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, | |
1133 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
1134 | { | |
1135 | int rc; | |
1136 | struct qeth_cmd_buffer *iob; | |
1137 | ||
847a50fd | 1138 | QETH_CARD_TEXT(card, 4, "simassp6"); |
4a71df50 FB |
1139 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, |
1140 | 0, QETH_PROT_IPV6); | |
1141 | rc = qeth_l3_send_setassparms(card, iob, 0, 0, | |
1142 | qeth_l3_default_setassparms_cb, NULL); | |
1143 | return rc; | |
1144 | } | |
1145 | #endif | |
1146 | ||
1147 | static int qeth_l3_send_simple_setassparms(struct qeth_card *card, | |
1148 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code, long data) | |
1149 | { | |
1150 | int rc; | |
1151 | int length = 0; | |
1152 | struct qeth_cmd_buffer *iob; | |
1153 | ||
847a50fd | 1154 | QETH_CARD_TEXT(card, 4, "simassp4"); |
4a71df50 FB |
1155 | if (data) |
1156 | length = sizeof(__u32); | |
1157 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, | |
1158 | length, QETH_PROT_IPV4); | |
1159 | rc = qeth_l3_send_setassparms(card, iob, length, data, | |
1160 | qeth_l3_default_setassparms_cb, NULL); | |
1161 | return rc; | |
1162 | } | |
1163 | ||
1164 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) | |
1165 | { | |
1166 | int rc; | |
1167 | ||
847a50fd | 1168 | QETH_CARD_TEXT(card, 3, "ipaarp"); |
4a71df50 FB |
1169 | |
1170 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
74eacdb9 FB |
1171 | dev_info(&card->gdev->dev, |
1172 | "ARP processing not supported on %s!\n", | |
1173 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1174 | return 0; |
1175 | } | |
1176 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
1177 | IPA_CMD_ASS_START, 0); | |
1178 | if (rc) { | |
74eacdb9 FB |
1179 | dev_warn(&card->gdev->dev, |
1180 | "Starting ARP processing support for %s failed\n", | |
1181 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1182 | } |
1183 | return rc; | |
1184 | } | |
1185 | ||
1186 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) | |
1187 | { | |
1188 | int rc; | |
1189 | ||
847a50fd | 1190 | QETH_CARD_TEXT(card, 3, "ipaipfrg"); |
4a71df50 FB |
1191 | |
1192 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
74eacdb9 FB |
1193 | dev_info(&card->gdev->dev, |
1194 | "Hardware IP fragmentation not supported on %s\n", | |
1195 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1196 | return -EOPNOTSUPP; |
1197 | } | |
1198 | ||
1199 | rc = qeth_l3_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, | |
1200 | IPA_CMD_ASS_START, 0); | |
1201 | if (rc) { | |
74eacdb9 FB |
1202 | dev_warn(&card->gdev->dev, |
1203 | "Starting IP fragmentation support for %s failed\n", | |
1204 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1205 | } else |
74eacdb9 FB |
1206 | dev_info(&card->gdev->dev, |
1207 | "Hardware IP fragmentation enabled \n"); | |
4a71df50 FB |
1208 | return rc; |
1209 | } | |
1210 | ||
1211 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) | |
1212 | { | |
1213 | int rc; | |
1214 | ||
847a50fd | 1215 | QETH_CARD_TEXT(card, 3, "stsrcmac"); |
4a71df50 | 1216 | |
4a71df50 | 1217 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
74eacdb9 | 1218 | dev_info(&card->gdev->dev, |
fe94e2e0 | 1219 | "Inbound source MAC-address not supported on %s\n", |
74eacdb9 | 1220 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1221 | return -EOPNOTSUPP; |
1222 | } | |
1223 | ||
1224 | rc = qeth_l3_send_simple_setassparms(card, IPA_SOURCE_MAC, | |
1225 | IPA_CMD_ASS_START, 0); | |
1226 | if (rc) | |
74eacdb9 | 1227 | dev_warn(&card->gdev->dev, |
fe94e2e0 | 1228 | "Starting source MAC-address support for %s failed\n", |
74eacdb9 | 1229 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1230 | return rc; |
1231 | } | |
1232 | ||
1233 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
1234 | { | |
1235 | int rc = 0; | |
1236 | ||
847a50fd | 1237 | QETH_CARD_TEXT(card, 3, "strtvlan"); |
4a71df50 FB |
1238 | |
1239 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
74eacdb9 FB |
1240 | dev_info(&card->gdev->dev, |
1241 | "VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1242 | return -EOPNOTSUPP; |
1243 | } | |
1244 | ||
1245 | rc = qeth_l3_send_simple_setassparms(card, IPA_VLAN_PRIO, | |
1246 | IPA_CMD_ASS_START, 0); | |
1247 | if (rc) { | |
74eacdb9 FB |
1248 | dev_warn(&card->gdev->dev, |
1249 | "Starting VLAN support for %s failed\n", | |
1250 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1251 | } else { |
74eacdb9 | 1252 | dev_info(&card->gdev->dev, "VLAN enabled\n"); |
4a71df50 FB |
1253 | } |
1254 | return rc; | |
1255 | } | |
1256 | ||
1257 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
1258 | { | |
1259 | int rc; | |
1260 | ||
847a50fd | 1261 | QETH_CARD_TEXT(card, 3, "stmcast"); |
4a71df50 FB |
1262 | |
1263 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
74eacdb9 FB |
1264 | dev_info(&card->gdev->dev, |
1265 | "Multicast not supported on %s\n", | |
1266 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1267 | return -EOPNOTSUPP; |
1268 | } | |
1269 | ||
1270 | rc = qeth_l3_send_simple_setassparms(card, IPA_MULTICASTING, | |
1271 | IPA_CMD_ASS_START, 0); | |
1272 | if (rc) { | |
74eacdb9 FB |
1273 | dev_warn(&card->gdev->dev, |
1274 | "Starting multicast support for %s failed\n", | |
1275 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1276 | } else { |
74eacdb9 | 1277 | dev_info(&card->gdev->dev, "Multicast enabled\n"); |
4a71df50 FB |
1278 | card->dev->flags |= IFF_MULTICAST; |
1279 | } | |
1280 | return rc; | |
1281 | } | |
1282 | ||
4a71df50 FB |
1283 | #ifdef CONFIG_QETH_IPV6 |
1284 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) | |
1285 | { | |
1286 | int rc; | |
1287 | ||
847a50fd | 1288 | QETH_CARD_TEXT(card, 3, "softipv6"); |
4a71df50 FB |
1289 | |
1290 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1291 | goto out; | |
1292 | ||
1da74b1c | 1293 | rc = qeth_query_ipassists(card, QETH_PROT_IPV6); |
4a71df50 | 1294 | if (rc) { |
74eacdb9 FB |
1295 | dev_err(&card->gdev->dev, |
1296 | "Activating IPv6 support for %s failed\n", | |
1297 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1298 | return rc; |
1299 | } | |
1300 | rc = qeth_l3_send_simple_setassparms(card, IPA_IPV6, | |
1301 | IPA_CMD_ASS_START, 3); | |
1302 | if (rc) { | |
74eacdb9 FB |
1303 | dev_err(&card->gdev->dev, |
1304 | "Activating IPv6 support for %s failed\n", | |
1305 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1306 | return rc; |
1307 | } | |
1308 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
1309 | IPA_CMD_ASS_START); | |
1310 | if (rc) { | |
74eacdb9 FB |
1311 | dev_err(&card->gdev->dev, |
1312 | "Activating IPv6 support for %s failed\n", | |
1313 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1314 | return rc; |
1315 | } | |
1316 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
1317 | IPA_CMD_ASS_START); | |
1318 | if (rc) { | |
74eacdb9 FB |
1319 | dev_warn(&card->gdev->dev, |
1320 | "Enabling the passthrough mode for %s failed\n", | |
1321 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1322 | return rc; |
1323 | } | |
1324 | out: | |
74eacdb9 | 1325 | dev_info(&card->gdev->dev, "IPV6 enabled\n"); |
4a71df50 FB |
1326 | return 0; |
1327 | } | |
1328 | #endif | |
1329 | ||
1330 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
1331 | { | |
1332 | int rc = 0; | |
1333 | ||
847a50fd | 1334 | QETH_CARD_TEXT(card, 3, "strtipv6"); |
4a71df50 FB |
1335 | |
1336 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
74eacdb9 FB |
1337 | dev_info(&card->gdev->dev, |
1338 | "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1339 | return 0; |
1340 | } | |
1341 | #ifdef CONFIG_QETH_IPV6 | |
1342 | rc = qeth_l3_softsetup_ipv6(card); | |
1343 | #endif | |
1344 | return rc ; | |
1345 | } | |
1346 | ||
1347 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
1348 | { | |
1349 | int rc; | |
1350 | ||
847a50fd | 1351 | QETH_CARD_TEXT(card, 3, "stbrdcst"); |
4a71df50 FB |
1352 | card->info.broadcast_capable = 0; |
1353 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
74eacdb9 FB |
1354 | dev_info(&card->gdev->dev, |
1355 | "Broadcast not supported on %s\n", | |
1356 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1357 | rc = -EOPNOTSUPP; |
1358 | goto out; | |
1359 | } | |
1360 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1361 | IPA_CMD_ASS_START, 0); | |
1362 | if (rc) { | |
74eacdb9 FB |
1363 | dev_warn(&card->gdev->dev, "Enabling broadcast filtering for " |
1364 | "%s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1365 | goto out; |
1366 | } | |
1367 | ||
1368 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1369 | IPA_CMD_ASS_CONFIGURE, 1); | |
1370 | if (rc) { | |
74eacdb9 FB |
1371 | dev_warn(&card->gdev->dev, |
1372 | "Setting up broadcast filtering for %s failed\n", | |
1373 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1374 | goto out; |
1375 | } | |
1376 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
74eacdb9 | 1377 | dev_info(&card->gdev->dev, "Broadcast enabled\n"); |
4a71df50 FB |
1378 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, |
1379 | IPA_CMD_ASS_ENABLE, 1); | |
1380 | if (rc) { | |
74eacdb9 FB |
1381 | dev_warn(&card->gdev->dev, "Setting up broadcast echo " |
1382 | "filtering for %s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1383 | goto out; |
1384 | } | |
1385 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
1386 | out: | |
1387 | if (card->info.broadcast_capable) | |
1388 | card->dev->flags |= IFF_BROADCAST; | |
1389 | else | |
1390 | card->dev->flags &= ~IFF_BROADCAST; | |
1391 | return rc; | |
1392 | } | |
1393 | ||
1394 | static int qeth_l3_send_checksum_command(struct qeth_card *card) | |
1395 | { | |
1396 | int rc; | |
1397 | ||
1398 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1399 | IPA_CMD_ASS_START, 0); | |
1400 | if (rc) { | |
74eacdb9 FB |
1401 | dev_warn(&card->gdev->dev, "Starting HW checksumming for %s " |
1402 | "failed, using SW checksumming\n", | |
1403 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1404 | return rc; |
1405 | } | |
1406 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1407 | IPA_CMD_ASS_ENABLE, | |
1408 | card->info.csum_mask); | |
1409 | if (rc) { | |
74eacdb9 FB |
1410 | dev_warn(&card->gdev->dev, "Enabling HW checksumming for %s " |
1411 | "failed, using SW checksumming\n", | |
1412 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1413 | return rc; |
1414 | } | |
1415 | return 0; | |
1416 | } | |
1417 | ||
c4736d96 | 1418 | static int qeth_l3_set_rx_csum(struct qeth_card *card, int on) |
3fd434d8 FB |
1419 | { |
1420 | int rc = 0; | |
1421 | ||
c5e631a8 | 1422 | if (on) { |
60a34277 FB |
1423 | rc = qeth_l3_send_checksum_command(card); |
1424 | if (rc) | |
1425 | return -EIO; | |
1426 | dev_info(&card->gdev->dev, | |
1427 | "HW Checksumming (inbound) enabled\n"); | |
3fd434d8 | 1428 | } else { |
60a34277 FB |
1429 | rc = qeth_l3_send_simple_setassparms(card, |
1430 | IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); | |
1431 | if (rc) | |
1432 | return -EIO; | |
3fd434d8 | 1433 | } |
c5e631a8 | 1434 | |
60a34277 | 1435 | return 0; |
3fd434d8 FB |
1436 | } |
1437 | ||
4a71df50 FB |
1438 | static int qeth_l3_start_ipa_checksum(struct qeth_card *card) |
1439 | { | |
847a50fd | 1440 | QETH_CARD_TEXT(card, 3, "strtcsum"); |
4a71df50 | 1441 | |
c5e631a8 | 1442 | if (card->dev->features & NETIF_F_RXCSUM) { |
60a34277 FB |
1443 | rtnl_lock(); |
1444 | /* force set_features call */ | |
1445 | card->dev->features &= ~NETIF_F_RXCSUM; | |
1446 | netdev_update_features(card->dev); | |
1447 | rtnl_unlock(); | |
1448 | } | |
c5e631a8 | 1449 | return 0; |
4a71df50 FB |
1450 | } |
1451 | ||
f6b85b6c FB |
1452 | static int qeth_l3_start_ipa_tx_checksum(struct qeth_card *card) |
1453 | { | |
1454 | int rc = 0; | |
1455 | ||
1456 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) | |
1457 | return rc; | |
1458 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1459 | IPA_CMD_ASS_START, 0); | |
1460 | if (rc) | |
1461 | goto err_out; | |
1462 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1463 | IPA_CMD_ASS_ENABLE, card->info.tx_csum_mask); | |
1464 | if (rc) | |
1465 | goto err_out; | |
1466 | dev_info(&card->gdev->dev, "HW TX Checksumming enabled\n"); | |
1467 | return rc; | |
1468 | err_out: | |
1469 | dev_warn(&card->gdev->dev, "Enabling HW TX checksumming for %s " | |
1470 | "failed, using SW TX checksumming\n", QETH_CARD_IFNAME(card)); | |
1471 | return rc; | |
1472 | } | |
1473 | ||
4a71df50 FB |
1474 | static int qeth_l3_start_ipa_tso(struct qeth_card *card) |
1475 | { | |
1476 | int rc; | |
1477 | ||
847a50fd | 1478 | QETH_CARD_TEXT(card, 3, "sttso"); |
4a71df50 FB |
1479 | |
1480 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
74eacdb9 FB |
1481 | dev_info(&card->gdev->dev, |
1482 | "Outbound TSO not supported on %s\n", | |
1483 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1484 | rc = -EOPNOTSUPP; |
1485 | } else { | |
1486 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_TSO, | |
1487 | IPA_CMD_ASS_START, 0); | |
1488 | if (rc) | |
74eacdb9 FB |
1489 | dev_warn(&card->gdev->dev, "Starting outbound TCP " |
1490 | "segmentation offload for %s failed\n", | |
1491 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1492 | else |
74eacdb9 FB |
1493 | dev_info(&card->gdev->dev, |
1494 | "Outbound TSO enabled\n"); | |
4a71df50 | 1495 | } |
6204b47e MM |
1496 | if (rc) |
1497 | card->dev->features &= ~NETIF_F_TSO; | |
4a71df50 FB |
1498 | return rc; |
1499 | } | |
1500 | ||
1501 | static int qeth_l3_start_ipassists(struct qeth_card *card) | |
1502 | { | |
847a50fd | 1503 | QETH_CARD_TEXT(card, 3, "strtipas"); |
d64ecc22 EL |
1504 | |
1505 | qeth_set_access_ctrl_online(card); /* go on*/ | |
4a71df50 FB |
1506 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
1507 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ | |
1508 | qeth_l3_start_ipa_source_mac(card); /* go on*/ | |
1509 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
1510 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
1511 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
1512 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
1513 | qeth_l3_start_ipa_checksum(card); /* go on*/ | |
f6b85b6c | 1514 | qeth_l3_start_ipa_tx_checksum(card); |
4a71df50 FB |
1515 | qeth_l3_start_ipa_tso(card); /* go on*/ |
1516 | return 0; | |
1517 | } | |
1518 | ||
4a71df50 FB |
1519 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
1520 | struct qeth_reply *reply, unsigned long data) | |
1521 | { | |
1522 | struct qeth_ipa_cmd *cmd; | |
1523 | ||
1524 | cmd = (struct qeth_ipa_cmd *) data; | |
1525 | if (cmd->hdr.return_code == 0) | |
1526 | memcpy(card->dev->dev_addr, | |
1527 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); | |
1528 | else | |
1529 | random_ether_addr(card->dev->dev_addr); | |
1530 | ||
1531 | return 0; | |
1532 | } | |
1533 | ||
1534 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
1535 | { | |
1536 | int rc = 0; | |
1537 | struct qeth_cmd_buffer *iob; | |
1538 | struct qeth_ipa_cmd *cmd; | |
1539 | ||
d11ba0c4 | 1540 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
4a71df50 FB |
1541 | |
1542 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1543 | QETH_PROT_IPV6); | |
1544 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1545 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1546 | card->info.unique_id; | |
1547 | ||
1548 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
1549 | NULL); | |
1550 | return rc; | |
1551 | } | |
1552 | ||
1553 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
1554 | struct qeth_reply *reply, unsigned long data) | |
1555 | { | |
1556 | struct qeth_ipa_cmd *cmd; | |
1557 | ||
1558 | cmd = (struct qeth_ipa_cmd *) data; | |
1559 | if (cmd->hdr.return_code == 0) | |
1560 | card->info.unique_id = *((__u16 *) | |
1561 | &cmd->data.create_destroy_addr.unique_id[6]); | |
1562 | else { | |
1563 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1564 | UNIQUE_ID_NOT_BY_CARD; | |
74eacdb9 FB |
1565 | dev_warn(&card->gdev->dev, "The network adapter failed to " |
1566 | "generate a unique ID\n"); | |
4a71df50 FB |
1567 | } |
1568 | return 0; | |
1569 | } | |
1570 | ||
1571 | static int qeth_l3_get_unique_id(struct qeth_card *card) | |
1572 | { | |
1573 | int rc = 0; | |
1574 | struct qeth_cmd_buffer *iob; | |
1575 | struct qeth_ipa_cmd *cmd; | |
1576 | ||
d11ba0c4 | 1577 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
4a71df50 FB |
1578 | |
1579 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1580 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1581 | UNIQUE_ID_NOT_BY_CARD; | |
1582 | return 0; | |
1583 | } | |
1584 | ||
1585 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1586 | QETH_PROT_IPV6); | |
1587 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1588 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1589 | card->info.unique_id; | |
1590 | ||
1591 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); | |
1592 | return rc; | |
1593 | } | |
1594 | ||
76b11f8e UB |
1595 | static int |
1596 | qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1597 | unsigned long data) | |
1598 | { | |
1599 | struct qeth_ipa_cmd *cmd; | |
1600 | __u16 rc; | |
1601 | ||
1602 | QETH_DBF_TEXT(SETUP, 2, "diastrcb"); | |
1603 | ||
1604 | cmd = (struct qeth_ipa_cmd *)data; | |
1605 | rc = cmd->hdr.return_code; | |
a959189a | 1606 | if (rc) |
847a50fd | 1607 | QETH_CARD_TEXT_(card, 2, "dxter%x", rc); |
76b11f8e UB |
1608 | switch (cmd->data.diagass.action) { |
1609 | case QETH_DIAGS_CMD_TRACE_QUERY: | |
1610 | break; | |
1611 | case QETH_DIAGS_CMD_TRACE_DISABLE: | |
a959189a UB |
1612 | switch (rc) { |
1613 | case 0: | |
1614 | case IPA_RC_INVALID_SUBCMD: | |
1615 | card->info.promisc_mode = SET_PROMISC_MODE_OFF; | |
1616 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1617 | "traffic analyzer is deactivated\n"); | |
1618 | break; | |
1619 | default: | |
1620 | break; | |
1621 | } | |
76b11f8e UB |
1622 | break; |
1623 | case QETH_DIAGS_CMD_TRACE_ENABLE: | |
a959189a UB |
1624 | switch (rc) { |
1625 | case 0: | |
1626 | card->info.promisc_mode = SET_PROMISC_MODE_ON; | |
1627 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1628 | "traffic analyzer is activated\n"); | |
1629 | break; | |
1630 | case IPA_RC_HARDWARE_AUTH_ERROR: | |
1631 | dev_warn(&card->gdev->dev, "The device is not " | |
1632 | "authorized to run as a HiperSockets network " | |
1633 | "traffic analyzer\n"); | |
1634 | break; | |
1635 | case IPA_RC_TRACE_ALREADY_ACTIVE: | |
1636 | dev_warn(&card->gdev->dev, "A HiperSockets " | |
1637 | "network traffic analyzer is already " | |
1638 | "active in the HiperSockets LAN\n"); | |
1639 | break; | |
1640 | default: | |
1641 | break; | |
1642 | } | |
76b11f8e UB |
1643 | break; |
1644 | default: | |
1645 | QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n", | |
1646 | cmd->data.diagass.action, QETH_CARD_IFNAME(card)); | |
1647 | } | |
1648 | ||
1649 | return 0; | |
1650 | } | |
1651 | ||
1652 | static int | |
1653 | qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) | |
1654 | { | |
1655 | struct qeth_cmd_buffer *iob; | |
1656 | struct qeth_ipa_cmd *cmd; | |
1657 | ||
1658 | QETH_DBF_TEXT(SETUP, 2, "diagtrac"); | |
1659 | ||
1660 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
1661 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1662 | cmd->data.diagass.subcmd_len = 16; | |
1663 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE; | |
1664 | cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET; | |
1665 | cmd->data.diagass.action = diags_cmd; | |
1666 | return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL); | |
1667 | } | |
1668 | ||
4a71df50 FB |
1669 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, |
1670 | struct net_device *dev) | |
1671 | { | |
1672 | if (dev->type == ARPHRD_IEEE802_TR) | |
1673 | ip_tr_mc_map(ipm, mac); | |
1674 | else | |
1675 | ip_eth_mc_map(ipm, mac); | |
1676 | } | |
1677 | ||
1678 | static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
1679 | { | |
1680 | struct qeth_ipaddr *ipm; | |
1681 | struct ip_mc_list *im4; | |
1682 | char buf[MAX_ADDR_LEN]; | |
1683 | ||
847a50fd | 1684 | QETH_CARD_TEXT(card, 4, "addmc"); |
f3aa3136 SS |
1685 | for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; |
1686 | im4 = rcu_dereference(im4->next_rcu)) { | |
4a71df50 FB |
1687 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); |
1688 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1689 | if (!ipm) | |
1690 | continue; | |
1691 | ipm->u.a4.addr = im4->multiaddr; | |
1692 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1693 | ipm->is_multicast = 1; | |
1694 | if (!qeth_l3_add_ip(card, ipm)) | |
1695 | kfree(ipm); | |
1696 | } | |
1697 | } | |
1698 | ||
1699 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) | |
1700 | { | |
1701 | struct in_device *in_dev; | |
7ff0bcf6 | 1702 | u16 vid; |
4a71df50 | 1703 | |
847a50fd | 1704 | QETH_CARD_TEXT(card, 4, "addmcvl"); |
7ff0bcf6 | 1705 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1706 | return; |
1707 | ||
7ff0bcf6 JP |
1708 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1709 | struct net_device *netdev; | |
1710 | ||
1711 | rcu_read_lock(); | |
1712 | netdev = __vlan_find_dev_deep(card->dev, vid); | |
1713 | rcu_read_unlock(); | |
4a71df50 FB |
1714 | if (netdev == NULL || |
1715 | !(netdev->flags & IFF_UP)) | |
1716 | continue; | |
1717 | in_dev = in_dev_get(netdev); | |
1718 | if (!in_dev) | |
1719 | continue; | |
f3aa3136 | 1720 | rcu_read_lock(); |
4a71df50 | 1721 | qeth_l3_add_mc(card, in_dev); |
f3aa3136 | 1722 | rcu_read_unlock(); |
4a71df50 FB |
1723 | in_dev_put(in_dev); |
1724 | } | |
1725 | } | |
1726 | ||
1727 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) | |
1728 | { | |
1729 | struct in_device *in4_dev; | |
1730 | ||
847a50fd | 1731 | QETH_CARD_TEXT(card, 4, "chkmcv4"); |
4a71df50 FB |
1732 | in4_dev = in_dev_get(card->dev); |
1733 | if (in4_dev == NULL) | |
1734 | return; | |
f3aa3136 | 1735 | rcu_read_lock(); |
4a71df50 FB |
1736 | qeth_l3_add_mc(card, in4_dev); |
1737 | qeth_l3_add_vlan_mc(card); | |
f3aa3136 | 1738 | rcu_read_unlock(); |
4a71df50 FB |
1739 | in_dev_put(in4_dev); |
1740 | } | |
1741 | ||
1742 | #ifdef CONFIG_QETH_IPV6 | |
1743 | static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
1744 | { | |
1745 | struct qeth_ipaddr *ipm; | |
1746 | struct ifmcaddr6 *im6; | |
1747 | char buf[MAX_ADDR_LEN]; | |
1748 | ||
847a50fd | 1749 | QETH_CARD_TEXT(card, 4, "addmc6"); |
4a71df50 FB |
1750 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
1751 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
1752 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1753 | if (!ipm) | |
1754 | continue; | |
1755 | ipm->is_multicast = 1; | |
1756 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1757 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, | |
1758 | sizeof(struct in6_addr)); | |
1759 | if (!qeth_l3_add_ip(card, ipm)) | |
1760 | kfree(ipm); | |
1761 | } | |
1762 | } | |
1763 | ||
1764 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) | |
1765 | { | |
1766 | struct inet6_dev *in_dev; | |
7ff0bcf6 | 1767 | u16 vid; |
4a71df50 | 1768 | |
847a50fd | 1769 | QETH_CARD_TEXT(card, 4, "admc6vl"); |
7ff0bcf6 | 1770 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1771 | return; |
1772 | ||
7ff0bcf6 JP |
1773 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1774 | struct net_device *netdev; | |
1775 | ||
1776 | netdev = __vlan_find_dev_deep(card->dev, vid); | |
4a71df50 FB |
1777 | if (netdev == NULL || |
1778 | !(netdev->flags & IFF_UP)) | |
1779 | continue; | |
1780 | in_dev = in6_dev_get(netdev); | |
1781 | if (!in_dev) | |
1782 | continue; | |
1783 | read_lock_bh(&in_dev->lock); | |
1784 | qeth_l3_add_mc6(card, in_dev); | |
1785 | read_unlock_bh(&in_dev->lock); | |
1786 | in6_dev_put(in_dev); | |
1787 | } | |
1788 | } | |
1789 | ||
1790 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) | |
1791 | { | |
1792 | struct inet6_dev *in6_dev; | |
1793 | ||
847a50fd | 1794 | QETH_CARD_TEXT(card, 4, "chkmcv6"); |
4a71df50 FB |
1795 | if (!qeth_is_supported(card, IPA_IPV6)) |
1796 | return ; | |
1797 | in6_dev = in6_dev_get(card->dev); | |
1798 | if (in6_dev == NULL) | |
1799 | return; | |
1800 | read_lock_bh(&in6_dev->lock); | |
1801 | qeth_l3_add_mc6(card, in6_dev); | |
1802 | qeth_l3_add_vlan_mc6(card); | |
1803 | read_unlock_bh(&in6_dev->lock); | |
1804 | in6_dev_put(in6_dev); | |
1805 | } | |
1806 | #endif /* CONFIG_QETH_IPV6 */ | |
1807 | ||
1808 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, | |
1809 | unsigned short vid) | |
1810 | { | |
1811 | struct in_device *in_dev; | |
1812 | struct in_ifaddr *ifa; | |
1813 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1814 | struct net_device *netdev; |
4a71df50 | 1815 | |
847a50fd | 1816 | QETH_CARD_TEXT(card, 4, "frvaddr4"); |
4a71df50 | 1817 | |
7ff0bcf6 JP |
1818 | netdev = __vlan_find_dev_deep(card->dev, vid); |
1819 | in_dev = in_dev_get(netdev); | |
4a71df50 FB |
1820 | if (!in_dev) |
1821 | return; | |
1822 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
1823 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1824 | if (addr) { | |
1825 | addr->u.a4.addr = ifa->ifa_address; | |
1826 | addr->u.a4.mask = ifa->ifa_mask; | |
1827 | addr->type = QETH_IP_TYPE_NORMAL; | |
1828 | if (!qeth_l3_delete_ip(card, addr)) | |
1829 | kfree(addr); | |
1830 | } | |
1831 | } | |
1832 | in_dev_put(in_dev); | |
1833 | } | |
1834 | ||
1835 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, | |
1836 | unsigned short vid) | |
1837 | { | |
1838 | #ifdef CONFIG_QETH_IPV6 | |
1839 | struct inet6_dev *in6_dev; | |
1840 | struct inet6_ifaddr *ifa; | |
1841 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1842 | struct net_device *netdev; |
4a71df50 | 1843 | |
847a50fd | 1844 | QETH_CARD_TEXT(card, 4, "frvaddr6"); |
4a71df50 | 1845 | |
7ff0bcf6 JP |
1846 | netdev = __vlan_find_dev_deep(card->dev, vid); |
1847 | in6_dev = in6_dev_get(netdev); | |
4a71df50 FB |
1848 | if (!in6_dev) |
1849 | return; | |
70f60a22 | 1850 | list_for_each_entry(ifa, &in6_dev->addr_list, if_list) { |
4a71df50 FB |
1851 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
1852 | if (addr) { | |
1853 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
1854 | sizeof(struct in6_addr)); | |
1855 | addr->u.a6.pfxlen = ifa->prefix_len; | |
1856 | addr->type = QETH_IP_TYPE_NORMAL; | |
1857 | if (!qeth_l3_delete_ip(card, addr)) | |
1858 | kfree(addr); | |
1859 | } | |
1860 | } | |
1861 | in6_dev_put(in6_dev); | |
1862 | #endif /* CONFIG_QETH_IPV6 */ | |
1863 | } | |
1864 | ||
1865 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, | |
1866 | unsigned short vid) | |
1867 | { | |
4a71df50 FB |
1868 | qeth_l3_free_vlan_addresses4(card, vid); |
1869 | qeth_l3_free_vlan_addresses6(card, vid); | |
1870 | } | |
1871 | ||
7ff0bcf6 | 1872 | static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) |
4a71df50 | 1873 | { |
509e2562 | 1874 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 1875 | |
7ff0bcf6 | 1876 | set_bit(vid, card->active_vlans); |
4a71df50 FB |
1877 | return; |
1878 | } | |
1879 | ||
1880 | static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) | |
1881 | { | |
509e2562 | 1882 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
1883 | unsigned long flags; |
1884 | ||
847a50fd | 1885 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
8e98ac48 | 1886 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 1887 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e98ac48 UB |
1888 | return; |
1889 | } | |
4a71df50 FB |
1890 | spin_lock_irqsave(&card->vlanlock, flags); |
1891 | /* unregister IP addresses of vlan device */ | |
1892 | qeth_l3_free_vlan_addresses(card, vid); | |
7ff0bcf6 | 1893 | clear_bit(vid, card->active_vlans); |
4a71df50 FB |
1894 | spin_unlock_irqrestore(&card->vlanlock, flags); |
1895 | qeth_l3_set_multicast_list(card->dev); | |
1896 | } | |
1897 | ||
10651db7 UB |
1898 | static inline int qeth_l3_rebuild_skb(struct qeth_card *card, |
1899 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
1900 | unsigned short *vlan_id) | |
4a71df50 | 1901 | { |
4a71df50 FB |
1902 | __be16 prot; |
1903 | struct iphdr *ip_hdr; | |
1904 | unsigned char tg_addr[MAX_ADDR_LEN]; | |
10651db7 | 1905 | int is_vlan = 0; |
4a71df50 FB |
1906 | |
1907 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { | |
1908 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
1909 | ETH_P_IP); | |
1910 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { | |
1911 | case QETH_CAST_MULTICAST: | |
1912 | switch (prot) { | |
1913 | #ifdef CONFIG_QETH_IPV6 | |
1914 | case __constant_htons(ETH_P_IPV6): | |
1915 | ndisc_mc_map((struct in6_addr *) | |
1916 | skb->data + 24, | |
1917 | tg_addr, card->dev, 0); | |
1918 | break; | |
1919 | #endif | |
1920 | case __constant_htons(ETH_P_IP): | |
1921 | ip_hdr = (struct iphdr *)skb->data; | |
1922 | (card->dev->type == ARPHRD_IEEE802_TR) ? | |
1923 | ip_tr_mc_map(ip_hdr->daddr, tg_addr): | |
1924 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); | |
1925 | break; | |
1926 | default: | |
1927 | memcpy(tg_addr, card->dev->broadcast, | |
1928 | card->dev->addr_len); | |
1929 | } | |
1930 | card->stats.multicast++; | |
1931 | skb->pkt_type = PACKET_MULTICAST; | |
1932 | break; | |
1933 | case QETH_CAST_BROADCAST: | |
1934 | memcpy(tg_addr, card->dev->broadcast, | |
1935 | card->dev->addr_len); | |
1936 | card->stats.multicast++; | |
1937 | skb->pkt_type = PACKET_BROADCAST; | |
1938 | break; | |
1939 | case QETH_CAST_UNICAST: | |
1940 | case QETH_CAST_ANYCAST: | |
1941 | case QETH_CAST_NOCAST: | |
1942 | default: | |
76b11f8e UB |
1943 | if (card->options.sniffer) |
1944 | skb->pkt_type = PACKET_OTHERHOST; | |
1945 | else | |
1946 | skb->pkt_type = PACKET_HOST; | |
4a71df50 FB |
1947 | memcpy(tg_addr, card->dev->dev_addr, |
1948 | card->dev->addr_len); | |
1949 | } | |
fe94e2e0 UB |
1950 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) |
1951 | card->dev->header_ops->create(skb, card->dev, prot, | |
1952 | tg_addr, &hdr->hdr.l3.dest_addr[2], | |
1953 | card->dev->addr_len); | |
1954 | else | |
1955 | card->dev->header_ops->create(skb, card->dev, prot, | |
1956 | tg_addr, "FAKELL", card->dev->addr_len); | |
4a71df50 FB |
1957 | } |
1958 | ||
1959 | #ifdef CONFIG_TR | |
1960 | if (card->dev->type == ARPHRD_IEEE802_TR) | |
1961 | skb->protocol = tr_type_trans(skb, card->dev); | |
1962 | else | |
1963 | #endif | |
1964 | skb->protocol = eth_type_trans(skb, card->dev); | |
1965 | ||
1966 | if (hdr->hdr.l3.ext_flags & | |
1967 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
10651db7 | 1968 | *vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ? |
4a71df50 | 1969 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); |
10651db7 | 1970 | is_vlan = 1; |
4a71df50 FB |
1971 | } |
1972 | ||
c5e631a8 | 1973 | if (card->dev->features & NETIF_F_RXCSUM) { |
4a71df50 | 1974 | if ((hdr->hdr.l3.ext_flags & |
b9139800 UB |
1975 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
1976 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
1977 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
1978 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) | |
4a71df50 FB |
1979 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
1980 | else | |
b9139800 | 1981 | skb->ip_summed = CHECKSUM_NONE; |
c5e631a8 FB |
1982 | } else |
1983 | skb->ip_summed = CHECKSUM_NONE; | |
4a71df50 | 1984 | |
10651db7 | 1985 | return is_vlan; |
4a71df50 FB |
1986 | } |
1987 | ||
a1c3ed4c FB |
1988 | static int qeth_l3_process_inbound_buffer(struct qeth_card *card, |
1989 | int budget, int *done) | |
4a71df50 | 1990 | { |
a1c3ed4c | 1991 | int work_done = 0; |
4a71df50 FB |
1992 | struct sk_buff *skb; |
1993 | struct qeth_hdr *hdr; | |
4a71df50 | 1994 | __u16 vlan_tag = 0; |
10651db7 | 1995 | int is_vlan; |
4a71df50 | 1996 | unsigned int len; |
b3332930 | 1997 | __u16 magic; |
4a71df50 | 1998 | |
a1c3ed4c FB |
1999 | *done = 0; |
2000 | BUG_ON(!budget); | |
2001 | while (budget) { | |
2002 | skb = qeth_core_get_next_skb(card, | |
b3332930 | 2003 | &card->qdio.in_q->bufs[card->rx.b_index], |
a1c3ed4c FB |
2004 | &card->rx.b_element, &card->rx.e_offset, &hdr); |
2005 | if (!skb) { | |
2006 | *done = 1; | |
2007 | break; | |
2008 | } | |
2009 | skb->dev = card->dev; | |
4a71df50 FB |
2010 | switch (hdr->hdr.l3.id) { |
2011 | case QETH_HEADER_TYPE_LAYER3: | |
b3332930 FB |
2012 | magic = *(__u16 *)skb->data; |
2013 | if ((card->info.type == QETH_CARD_TYPE_IQD) && | |
2014 | (magic == ETH_P_AF_IUCV)) { | |
2015 | skb->protocol = ETH_P_AF_IUCV; | |
2016 | skb->pkt_type = PACKET_HOST; | |
2017 | skb->mac_header = NET_SKB_PAD; | |
2018 | skb->dev = card->dev; | |
2019 | len = skb->len; | |
2020 | card->dev->header_ops->create(skb, card->dev, 0, | |
2021 | card->dev->dev_addr, "FAKELL", | |
2022 | card->dev->addr_len); | |
2023 | netif_receive_skb(skb); | |
2024 | } else { | |
2025 | is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, | |
10651db7 | 2026 | &vlan_tag); |
b3332930 FB |
2027 | len = skb->len; |
2028 | if (is_vlan && !card->options.sniffer) | |
2029 | __vlan_hwaccel_put_tag(skb, vlan_tag); | |
2030 | napi_gro_receive(&card->napi, skb); | |
2031 | } | |
4a71df50 | 2032 | break; |
76b11f8e UB |
2033 | case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */ |
2034 | skb->pkt_type = PACKET_HOST; | |
2035 | skb->protocol = eth_type_trans(skb, skb->dev); | |
76b11f8e UB |
2036 | len = skb->len; |
2037 | netif_receive_skb(skb); | |
2038 | break; | |
4a71df50 FB |
2039 | default: |
2040 | dev_kfree_skb_any(skb); | |
847a50fd | 2041 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 2042 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
2043 | continue; |
2044 | } | |
a1c3ed4c FB |
2045 | work_done++; |
2046 | budget--; | |
4a71df50 FB |
2047 | card->stats.rx_packets++; |
2048 | card->stats.rx_bytes += len; | |
2049 | } | |
a1c3ed4c FB |
2050 | return work_done; |
2051 | } | |
2052 | ||
2053 | static int qeth_l3_poll(struct napi_struct *napi, int budget) | |
2054 | { | |
2055 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
2056 | int work_done = 0; | |
2057 | struct qeth_qdio_buffer *buffer; | |
2058 | int done; | |
2059 | int new_budget = budget; | |
2060 | ||
2061 | if (card->options.performance_stats) { | |
2062 | card->perf_stats.inbound_cnt++; | |
2063 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
2064 | } | |
2065 | ||
2066 | while (1) { | |
2067 | if (!card->rx.b_count) { | |
2068 | card->rx.qdio_err = 0; | |
2069 | card->rx.b_count = qdio_get_next_buffers( | |
2070 | card->data.ccwdev, 0, &card->rx.b_index, | |
2071 | &card->rx.qdio_err); | |
2072 | if (card->rx.b_count <= 0) { | |
2073 | card->rx.b_count = 0; | |
2074 | break; | |
2075 | } | |
2076 | card->rx.b_element = | |
2077 | &card->qdio.in_q->bufs[card->rx.b_index] | |
2078 | .buffer->element[0]; | |
2079 | card->rx.e_offset = 0; | |
2080 | } | |
2081 | ||
2082 | while (card->rx.b_count) { | |
2083 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
2084 | if (!(card->rx.qdio_err && | |
2085 | qeth_check_qdio_errors(card, buffer->buffer, | |
2086 | card->rx.qdio_err, "qinerr"))) | |
2087 | work_done += qeth_l3_process_inbound_buffer( | |
2088 | card, new_budget, &done); | |
2089 | else | |
2090 | done = 1; | |
2091 | ||
2092 | if (done) { | |
2093 | if (card->options.performance_stats) | |
2094 | card->perf_stats.bufs_rec++; | |
2095 | qeth_put_buffer_pool_entry(card, | |
2096 | buffer->pool_entry); | |
2097 | qeth_queue_input_buffer(card, card->rx.b_index); | |
2098 | card->rx.b_count--; | |
2099 | if (card->rx.b_count) { | |
2100 | card->rx.b_index = | |
2101 | (card->rx.b_index + 1) % | |
2102 | QDIO_MAX_BUFFERS_PER_Q; | |
2103 | card->rx.b_element = | |
2104 | &card->qdio.in_q | |
2105 | ->bufs[card->rx.b_index] | |
2106 | .buffer->element[0]; | |
2107 | card->rx.e_offset = 0; | |
2108 | } | |
2109 | } | |
2110 | ||
2111 | if (work_done >= budget) | |
2112 | goto out; | |
2113 | else | |
2114 | new_budget = budget - work_done; | |
2115 | } | |
2116 | } | |
2117 | ||
2118 | napi_complete(napi); | |
2119 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
2120 | napi_schedule(&card->napi); | |
2121 | out: | |
2122 | if (card->options.performance_stats) | |
2123 | card->perf_stats.inbound_time += qeth_get_micros() - | |
2124 | card->perf_stats.inbound_start_time; | |
2125 | return work_done; | |
4a71df50 FB |
2126 | } |
2127 | ||
2128 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, | |
2129 | struct qeth_card *card) | |
2130 | { | |
2131 | int rc = 0; | |
7ff0bcf6 | 2132 | u16 vid; |
4a71df50 | 2133 | |
7ff0bcf6 JP |
2134 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
2135 | struct net_device *netdev; | |
4a71df50 | 2136 | |
7ff0bcf6 JP |
2137 | rcu_read_lock(); |
2138 | netdev = __vlan_find_dev_deep(dev, vid); | |
2139 | rcu_read_unlock(); | |
2140 | if (netdev == dev) { | |
4a71df50 FB |
2141 | rc = QETH_VLAN_CARD; |
2142 | break; | |
2143 | } | |
2144 | } | |
2145 | ||
509e2562 | 2146 | if (rc && !(vlan_dev_real_dev(dev)->ml_priv == (void *)card)) |
4a71df50 FB |
2147 | return 0; |
2148 | ||
2149 | return rc; | |
2150 | } | |
2151 | ||
2152 | static int qeth_l3_verify_dev(struct net_device *dev) | |
2153 | { | |
2154 | struct qeth_card *card; | |
2155 | unsigned long flags; | |
2156 | int rc = 0; | |
2157 | ||
2158 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
2159 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
2160 | if (card->dev == dev) { | |
2161 | rc = QETH_REAL_CARD; | |
2162 | break; | |
2163 | } | |
2164 | rc = qeth_l3_verify_vlan_dev(dev, card); | |
2165 | if (rc) | |
2166 | break; | |
2167 | } | |
2168 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
2169 | ||
2170 | return rc; | |
2171 | } | |
2172 | ||
2173 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) | |
2174 | { | |
2175 | struct qeth_card *card = NULL; | |
2176 | int rc; | |
2177 | ||
2178 | rc = qeth_l3_verify_dev(dev); | |
2179 | if (rc == QETH_REAL_CARD) | |
509e2562 | 2180 | card = dev->ml_priv; |
4a71df50 | 2181 | else if (rc == QETH_VLAN_CARD) |
509e2562 | 2182 | card = vlan_dev_real_dev(dev)->ml_priv; |
e5bd7be5 | 2183 | if (card && card->options.layer2) |
4a71df50 | 2184 | card = NULL; |
847a50fd CO |
2185 | if (card) |
2186 | QETH_CARD_TEXT_(card, 4, "%d", rc); | |
4a71df50 FB |
2187 | return card ; |
2188 | } | |
2189 | ||
2190 | static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) | |
2191 | { | |
2192 | int rc = 0; | |
2193 | ||
d11ba0c4 PT |
2194 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
2195 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
2196 | |
2197 | qeth_set_allowed_threads(card, 0, 1); | |
76b11f8e UB |
2198 | if (card->options.sniffer && |
2199 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) | |
2200 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); | |
4a71df50 FB |
2201 | if (card->read.state == CH_STATE_UP && |
2202 | card->write.state == CH_STATE_UP && | |
2203 | (card->state == CARD_STATE_UP)) { | |
2204 | if (recovery_mode) | |
2205 | qeth_l3_stop(card->dev); | |
8af7c5ae | 2206 | else { |
869da90b UB |
2207 | rtnl_lock(); |
2208 | dev_close(card->dev); | |
2209 | rtnl_unlock(); | |
8af7c5ae | 2210 | } |
4a71df50 FB |
2211 | card->state = CARD_STATE_SOFTSETUP; |
2212 | } | |
2213 | if (card->state == CARD_STATE_SOFTSETUP) { | |
70919e23 | 2214 | qeth_l3_clear_ip_list(card, 1); |
4a71df50 FB |
2215 | qeth_clear_ipacmd_list(card); |
2216 | card->state = CARD_STATE_HARDSETUP; | |
2217 | } | |
2218 | if (card->state == CARD_STATE_HARDSETUP) { | |
4a71df50 FB |
2219 | qeth_qdio_clear_card(card, 0); |
2220 | qeth_clear_qdio_buffers(card); | |
2221 | qeth_clear_working_pool_list(card); | |
2222 | card->state = CARD_STATE_DOWN; | |
2223 | } | |
2224 | if (card->state == CARD_STATE_DOWN) { | |
2225 | qeth_clear_cmd_buffers(&card->read); | |
2226 | qeth_clear_cmd_buffers(&card->write); | |
2227 | } | |
4a71df50 FB |
2228 | return rc; |
2229 | } | |
2230 | ||
76b11f8e UB |
2231 | /* |
2232 | * test for and Switch promiscuous mode (on or off) | |
2233 | * either for guestlan or HiperSocket Sniffer | |
2234 | */ | |
2235 | static void | |
2236 | qeth_l3_handle_promisc_mode(struct qeth_card *card) | |
2237 | { | |
2238 | struct net_device *dev = card->dev; | |
2239 | ||
2240 | if (((dev->flags & IFF_PROMISC) && | |
2241 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
2242 | (!(dev->flags & IFF_PROMISC) && | |
2243 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
2244 | return; | |
2245 | ||
2246 | if (card->info.guestlan) { /* Guestlan trace */ | |
2247 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2248 | qeth_setadp_promisc_mode(card); | |
2249 | } else if (card->options.sniffer && /* HiperSockets trace */ | |
2250 | qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) { | |
2251 | if (dev->flags & IFF_PROMISC) { | |
847a50fd | 2252 | QETH_CARD_TEXT(card, 3, "+promisc"); |
76b11f8e UB |
2253 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE); |
2254 | } else { | |
847a50fd | 2255 | QETH_CARD_TEXT(card, 3, "-promisc"); |
76b11f8e UB |
2256 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); |
2257 | } | |
2258 | } | |
2259 | } | |
2260 | ||
4a71df50 FB |
2261 | static void qeth_l3_set_multicast_list(struct net_device *dev) |
2262 | { | |
509e2562 | 2263 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 2264 | |
847a50fd | 2265 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
2266 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
2267 | (card->state != CARD_STATE_UP)) | |
2268 | return; | |
76b11f8e UB |
2269 | if (!card->options.sniffer) { |
2270 | qeth_l3_delete_mc_addresses(card); | |
2271 | qeth_l3_add_multicast_ipv4(card); | |
4a71df50 | 2272 | #ifdef CONFIG_QETH_IPV6 |
76b11f8e | 2273 | qeth_l3_add_multicast_ipv6(card); |
4a71df50 | 2274 | #endif |
76b11f8e UB |
2275 | qeth_l3_set_ip_addr_list(card); |
2276 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2277 | return; | |
2278 | } | |
2279 | qeth_l3_handle_promisc_mode(card); | |
4a71df50 FB |
2280 | } |
2281 | ||
2282 | static const char *qeth_l3_arp_get_error_cause(int *rc) | |
2283 | { | |
2284 | switch (*rc) { | |
2285 | case QETH_IPA_ARP_RC_FAILED: | |
2286 | *rc = -EIO; | |
2287 | return "operation failed"; | |
2288 | case QETH_IPA_ARP_RC_NOTSUPP: | |
2289 | *rc = -EOPNOTSUPP; | |
2290 | return "operation not supported"; | |
2291 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
2292 | *rc = -EINVAL; | |
2293 | return "argument out of range"; | |
2294 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
2295 | *rc = -EOPNOTSUPP; | |
2296 | return "query operation not supported"; | |
2297 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
2298 | *rc = -ENOENT; | |
2299 | return "no query data available"; | |
2300 | default: | |
2301 | return "unknown error"; | |
2302 | } | |
2303 | } | |
2304 | ||
2305 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
2306 | { | |
2307 | int tmp; | |
2308 | int rc; | |
2309 | ||
847a50fd | 2310 | QETH_CARD_TEXT(card, 3, "arpstnoe"); |
4a71df50 FB |
2311 | |
2312 | /* | |
2313 | * currently GuestLAN only supports the ARP assist function | |
2314 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
2315 | * thus we say EOPNOTSUPP for this ARP function | |
2316 | */ | |
2317 | if (card->info.guestlan) | |
2318 | return -EOPNOTSUPP; | |
2319 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2320 | return -EOPNOTSUPP; |
2321 | } | |
2322 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2323 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, | |
2324 | no_entries); | |
2325 | if (rc) { | |
2326 | tmp = rc; | |
14cc21b6 FB |
2327 | QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on " |
2328 | "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2329 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2330 | } | |
2331 | return rc; | |
2332 | } | |
2333 | ||
d0ddf30f EL |
2334 | static __u32 get_arp_entry_size(struct qeth_card *card, |
2335 | struct qeth_arp_query_data *qdata, | |
2336 | struct qeth_arp_entrytype *type, __u8 strip_entries) | |
4a71df50 | 2337 | { |
d0ddf30f EL |
2338 | __u32 rc; |
2339 | __u8 is_hsi; | |
4a71df50 | 2340 | |
d0ddf30f EL |
2341 | is_hsi = qdata->reply_bits == 5; |
2342 | if (type->ip == QETHARP_IP_ADDR_V4) { | |
2343 | QETH_CARD_TEXT(card, 4, "arpev4"); | |
2344 | if (strip_entries) { | |
2345 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : | |
2346 | sizeof(struct qeth_arp_qi_entry7_short); | |
2347 | } else { | |
2348 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : | |
2349 | sizeof(struct qeth_arp_qi_entry7); | |
2350 | } | |
2351 | } else if (type->ip == QETHARP_IP_ADDR_V6) { | |
2352 | QETH_CARD_TEXT(card, 4, "arpev6"); | |
2353 | if (strip_entries) { | |
2354 | rc = is_hsi ? | |
2355 | sizeof(struct qeth_arp_qi_entry5_short_ipv6) : | |
2356 | sizeof(struct qeth_arp_qi_entry7_short_ipv6); | |
2357 | } else { | |
2358 | rc = is_hsi ? | |
2359 | sizeof(struct qeth_arp_qi_entry5_ipv6) : | |
2360 | sizeof(struct qeth_arp_qi_entry7_ipv6); | |
2361 | } | |
2362 | } else { | |
2363 | QETH_CARD_TEXT(card, 4, "arpinv"); | |
2364 | rc = 0; | |
4a71df50 | 2365 | } |
d0ddf30f EL |
2366 | |
2367 | return rc; | |
2368 | } | |
2369 | ||
2370 | static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) | |
2371 | { | |
2372 | return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || | |
2373 | (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); | |
4a71df50 FB |
2374 | } |
2375 | ||
2376 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
2377 | struct qeth_reply *reply, unsigned long data) | |
2378 | { | |
2379 | struct qeth_ipa_cmd *cmd; | |
2380 | struct qeth_arp_query_data *qdata; | |
2381 | struct qeth_arp_query_info *qinfo; | |
4a71df50 | 2382 | int i; |
d0ddf30f EL |
2383 | int e; |
2384 | int entrybytes_done; | |
2385 | int stripped_bytes; | |
2386 | __u8 do_strip_entries; | |
4a71df50 | 2387 | |
d0ddf30f | 2388 | QETH_CARD_TEXT(card, 3, "arpquecb"); |
4a71df50 FB |
2389 | |
2390 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
2391 | cmd = (struct qeth_ipa_cmd *) data; | |
d0ddf30f | 2392 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); |
4a71df50 | 2393 | if (cmd->hdr.return_code) { |
d0ddf30f EL |
2394 | QETH_CARD_TEXT(card, 4, "arpcberr"); |
2395 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2396 | return 0; |
2397 | } | |
2398 | if (cmd->data.setassparms.hdr.return_code) { | |
2399 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d0ddf30f EL |
2400 | QETH_CARD_TEXT(card, 4, "setaperr"); |
2401 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2402 | return 0; |
2403 | } | |
2404 | qdata = &cmd->data.setassparms.data.query_arp; | |
847a50fd | 2405 | QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); |
4a71df50 | 2406 | |
d0ddf30f EL |
2407 | do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; |
2408 | stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; | |
2409 | entrybytes_done = 0; | |
2410 | for (e = 0; e < qdata->no_entries; ++e) { | |
2411 | char *cur_entry; | |
2412 | __u32 esize; | |
2413 | struct qeth_arp_entrytype *etype; | |
2414 | ||
2415 | cur_entry = &qdata->data + entrybytes_done; | |
2416 | etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; | |
2417 | if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { | |
2418 | QETH_CARD_TEXT(card, 4, "pmis"); | |
2419 | QETH_CARD_TEXT_(card, 4, "%i", etype->ip); | |
2420 | break; | |
2421 | } | |
2422 | esize = get_arp_entry_size(card, qdata, etype, | |
2423 | do_strip_entries); | |
2424 | QETH_CARD_TEXT_(card, 5, "esz%i", esize); | |
2425 | if (!esize) | |
2426 | break; | |
2427 | ||
2428 | if ((qinfo->udata_len - qinfo->udata_offset) < esize) { | |
2429 | QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); | |
2430 | cmd->hdr.return_code = -ENOMEM; | |
2431 | goto out_error; | |
2432 | } | |
4a71df50 | 2433 | |
d0ddf30f EL |
2434 | memcpy(qinfo->udata + qinfo->udata_offset, |
2435 | &qdata->data + entrybytes_done + stripped_bytes, | |
2436 | esize); | |
2437 | entrybytes_done += esize + stripped_bytes; | |
2438 | qinfo->udata_offset += esize; | |
2439 | ++qinfo->no_entries; | |
2440 | } | |
4a71df50 FB |
2441 | /* check if all replies received ... */ |
2442 | if (cmd->data.setassparms.hdr.seq_no < | |
2443 | cmd->data.setassparms.hdr.number_of_replies) | |
2444 | return 1; | |
d0ddf30f | 2445 | QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); |
4a71df50 FB |
2446 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
2447 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
2448 | * stripped entries from normal ones */ | |
2449 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2450 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
2451 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
d0ddf30f | 2452 | QETH_CARD_TEXT_(card, 4, "rc%i", 0); |
4a71df50 FB |
2453 | return 0; |
2454 | out_error: | |
2455 | i = 0; | |
2456 | memcpy(qinfo->udata, &i, 4); | |
2457 | return 0; | |
2458 | } | |
2459 | ||
2460 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, | |
2461 | struct qeth_cmd_buffer *iob, int len, | |
2462 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
2463 | unsigned long), | |
2464 | void *reply_param) | |
2465 | { | |
847a50fd | 2466 | QETH_CARD_TEXT(card, 4, "sendarp"); |
4a71df50 FB |
2467 | |
2468 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2469 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2470 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2471 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
2472 | reply_cb, reply_param); | |
2473 | } | |
2474 | ||
d0ddf30f EL |
2475 | static int qeth_l3_query_arp_cache_info(struct qeth_card *card, |
2476 | enum qeth_prot_versions prot, | |
2477 | struct qeth_arp_query_info *qinfo) | |
4a71df50 FB |
2478 | { |
2479 | struct qeth_cmd_buffer *iob; | |
d0ddf30f | 2480 | struct qeth_ipa_cmd *cmd; |
4a71df50 FB |
2481 | int tmp; |
2482 | int rc; | |
2483 | ||
d0ddf30f EL |
2484 | QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); |
2485 | ||
2486 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2487 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
2488 | sizeof(struct qeth_arp_query_data) - sizeof(char), | |
2489 | prot); | |
2490 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2491 | cmd->data.setassparms.data.query_arp.request_bits = 0x000F; | |
2492 | cmd->data.setassparms.data.query_arp.reply_bits = 0; | |
2493 | cmd->data.setassparms.data.query_arp.no_entries = 0; | |
2494 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, | |
2495 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
2496 | qeth_l3_arp_query_cb, (void *)qinfo); | |
2497 | if (rc) { | |
2498 | tmp = rc; | |
2499 | QETH_DBF_MESSAGE(2, | |
2500 | "Error while querying ARP cache on %s: %s " | |
2501 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2502 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2503 | } | |
2504 | ||
2505 | return rc; | |
2506 | } | |
2507 | ||
2508 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
2509 | { | |
2510 | struct qeth_arp_query_info qinfo = {0, }; | |
2511 | int rc; | |
2512 | ||
847a50fd | 2513 | QETH_CARD_TEXT(card, 3, "arpquery"); |
4a71df50 FB |
2514 | |
2515 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
2516 | IPA_ARP_PROCESSING)) { | |
d0ddf30f EL |
2517 | QETH_CARD_TEXT(card, 3, "arpqnsup"); |
2518 | rc = -EOPNOTSUPP; | |
2519 | goto out; | |
4a71df50 FB |
2520 | } |
2521 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
d0ddf30f EL |
2522 | if (copy_from_user(&qinfo, udata, 6)) { |
2523 | rc = -EFAULT; | |
2524 | goto out; | |
2525 | } | |
4a71df50 | 2526 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
d0ddf30f EL |
2527 | if (!qinfo.udata) { |
2528 | rc = -ENOMEM; | |
2529 | goto out; | |
2530 | } | |
4a71df50 | 2531 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
d0ddf30f | 2532 | rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); |
4a71df50 | 2533 | if (rc) { |
4a71df50 FB |
2534 | if (copy_to_user(udata, qinfo.udata, 4)) |
2535 | rc = -EFAULT; | |
d0ddf30f | 2536 | goto free_and_out; |
4a71df50 | 2537 | } else { |
d0ddf30f EL |
2538 | #ifdef CONFIG_QETH_IPV6 |
2539 | if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { | |
2540 | /* fails in case of GuestLAN QDIO mode */ | |
2541 | qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, | |
2542 | &qinfo); | |
2543 | } | |
2544 | #endif | |
2545 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { | |
2546 | QETH_CARD_TEXT(card, 4, "qactf"); | |
4a71df50 | 2547 | rc = -EFAULT; |
d0ddf30f EL |
2548 | goto free_and_out; |
2549 | } | |
2550 | QETH_CARD_TEXT_(card, 4, "qacts"); | |
4a71df50 | 2551 | } |
d0ddf30f | 2552 | free_and_out: |
4a71df50 | 2553 | kfree(qinfo.udata); |
d0ddf30f | 2554 | out: |
4a71df50 FB |
2555 | return rc; |
2556 | } | |
2557 | ||
2558 | static int qeth_l3_arp_add_entry(struct qeth_card *card, | |
2559 | struct qeth_arp_cache_entry *entry) | |
2560 | { | |
2561 | struct qeth_cmd_buffer *iob; | |
2562 | char buf[16]; | |
2563 | int tmp; | |
2564 | int rc; | |
2565 | ||
847a50fd | 2566 | QETH_CARD_TEXT(card, 3, "arpadent"); |
4a71df50 FB |
2567 | |
2568 | /* | |
2569 | * currently GuestLAN only supports the ARP assist function | |
2570 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
2571 | * thus we say EOPNOTSUPP for this ARP function | |
2572 | */ | |
2573 | if (card->info.guestlan) | |
2574 | return -EOPNOTSUPP; | |
2575 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2576 | return -EOPNOTSUPP; |
2577 | } | |
2578 | ||
2579 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2580 | IPA_CMD_ASS_ARP_ADD_ENTRY, | |
2581 | sizeof(struct qeth_arp_cache_entry), | |
2582 | QETH_PROT_IPV4); | |
2583 | rc = qeth_l3_send_setassparms(card, iob, | |
2584 | sizeof(struct qeth_arp_cache_entry), | |
2585 | (unsigned long) entry, | |
2586 | qeth_l3_default_setassparms_cb, NULL); | |
2587 | if (rc) { | |
2588 | tmp = rc; | |
2589 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2590 | QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s " |
2591 | "on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2592 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2593 | } |
2594 | return rc; | |
2595 | } | |
2596 | ||
2597 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, | |
2598 | struct qeth_arp_cache_entry *entry) | |
2599 | { | |
2600 | struct qeth_cmd_buffer *iob; | |
2601 | char buf[16] = {0, }; | |
2602 | int tmp; | |
2603 | int rc; | |
2604 | ||
847a50fd | 2605 | QETH_CARD_TEXT(card, 3, "arprment"); |
4a71df50 FB |
2606 | |
2607 | /* | |
2608 | * currently GuestLAN only supports the ARP assist function | |
2609 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
2610 | * thus we say EOPNOTSUPP for this ARP function | |
2611 | */ | |
2612 | if (card->info.guestlan) | |
2613 | return -EOPNOTSUPP; | |
2614 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2615 | return -EOPNOTSUPP; |
2616 | } | |
2617 | memcpy(buf, entry, 12); | |
2618 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2619 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, | |
2620 | 12, | |
2621 | QETH_PROT_IPV4); | |
2622 | rc = qeth_l3_send_setassparms(card, iob, | |
2623 | 12, (unsigned long)buf, | |
2624 | qeth_l3_default_setassparms_cb, NULL); | |
2625 | if (rc) { | |
2626 | tmp = rc; | |
2627 | memset(buf, 0, 16); | |
2628 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2629 | QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s" |
2630 | " on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2631 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2632 | } |
2633 | return rc; | |
2634 | } | |
2635 | ||
2636 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
2637 | { | |
2638 | int rc; | |
2639 | int tmp; | |
2640 | ||
847a50fd | 2641 | QETH_CARD_TEXT(card, 3, "arpflush"); |
4a71df50 FB |
2642 | |
2643 | /* | |
2644 | * currently GuestLAN only supports the ARP assist function | |
2645 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
2646 | * thus we say EOPNOTSUPP for this ARP function | |
2647 | */ | |
2648 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) | |
2649 | return -EOPNOTSUPP; | |
2650 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2651 | return -EOPNOTSUPP; |
2652 | } | |
2653 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2654 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); | |
2655 | if (rc) { | |
2656 | tmp = rc; | |
14cc21b6 FB |
2657 | QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s " |
2658 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2659 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2660 | } | |
2661 | return rc; | |
2662 | } | |
2663 | ||
2664 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2665 | { | |
509e2562 | 2666 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2667 | struct qeth_arp_cache_entry arp_entry; |
2668 | struct mii_ioctl_data *mii_data; | |
2669 | int rc = 0; | |
2670 | ||
2671 | if (!card) | |
2672 | return -ENODEV; | |
2673 | ||
2674 | if ((card->state != CARD_STATE_UP) && | |
2675 | (card->state != CARD_STATE_SOFTSETUP)) | |
2676 | return -ENODEV; | |
2677 | ||
2678 | switch (cmd) { | |
2679 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
2680 | if (!capable(CAP_NET_ADMIN)) { | |
2681 | rc = -EPERM; | |
2682 | break; | |
2683 | } | |
2684 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
2685 | break; | |
2686 | case SIOC_QETH_ARP_QUERY_INFO: | |
2687 | if (!capable(CAP_NET_ADMIN)) { | |
2688 | rc = -EPERM; | |
2689 | break; | |
2690 | } | |
2691 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); | |
2692 | break; | |
2693 | case SIOC_QETH_ARP_ADD_ENTRY: | |
2694 | if (!capable(CAP_NET_ADMIN)) { | |
2695 | rc = -EPERM; | |
2696 | break; | |
2697 | } | |
2698 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2699 | sizeof(struct qeth_arp_cache_entry))) | |
2700 | rc = -EFAULT; | |
2701 | else | |
2702 | rc = qeth_l3_arp_add_entry(card, &arp_entry); | |
2703 | break; | |
2704 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
2705 | if (!capable(CAP_NET_ADMIN)) { | |
2706 | rc = -EPERM; | |
2707 | break; | |
2708 | } | |
2709 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2710 | sizeof(struct qeth_arp_cache_entry))) | |
2711 | rc = -EFAULT; | |
2712 | else | |
2713 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); | |
2714 | break; | |
2715 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
2716 | if (!capable(CAP_NET_ADMIN)) { | |
2717 | rc = -EPERM; | |
2718 | break; | |
2719 | } | |
2720 | rc = qeth_l3_arp_flush_cache(card); | |
2721 | break; | |
2722 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
2723 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
2724 | break; | |
2725 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
2726 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
2727 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
2728 | !card->info.guestlan) |
2729 | return 1; | |
2730 | return 0; | |
2731 | break; | |
2732 | case SIOCGMIIPHY: | |
2733 | mii_data = if_mii(rq); | |
2734 | mii_data->phy_id = 0; | |
2735 | break; | |
2736 | case SIOCGMIIREG: | |
2737 | mii_data = if_mii(rq); | |
2738 | if (mii_data->phy_id != 0) | |
2739 | rc = -EINVAL; | |
2740 | else | |
2741 | mii_data->val_out = qeth_mdio_read(dev, | |
2742 | mii_data->phy_id, | |
2743 | mii_data->reg_num); | |
2744 | break; | |
2745 | default: | |
2746 | rc = -EOPNOTSUPP; | |
2747 | } | |
2748 | if (rc) | |
847a50fd | 2749 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
2750 | return rc; |
2751 | } | |
2752 | ||
ce73e10e KDW |
2753 | int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) |
2754 | { | |
2755 | int cast_type = RTN_UNSPEC; | |
69cce1d1 DM |
2756 | struct neighbour *n = NULL; |
2757 | struct dst_entry *dst; | |
2758 | ||
1d36cb47 | 2759 | rcu_read_lock(); |
69cce1d1 DM |
2760 | dst = skb_dst(skb); |
2761 | if (dst) | |
27217455 | 2762 | n = dst_get_neighbour_noref(dst); |
69cce1d1 DM |
2763 | if (n) { |
2764 | cast_type = n->type; | |
1d36cb47 | 2765 | rcu_read_unlock(); |
ce73e10e KDW |
2766 | if ((cast_type == RTN_BROADCAST) || |
2767 | (cast_type == RTN_MULTICAST) || | |
2768 | (cast_type == RTN_ANYCAST)) | |
2769 | return cast_type; | |
2770 | else | |
2771 | return RTN_UNSPEC; | |
2772 | } | |
1d36cb47 FB |
2773 | rcu_read_unlock(); |
2774 | ||
ce73e10e KDW |
2775 | /* try something else */ |
2776 | if (skb->protocol == ETH_P_IPV6) | |
2777 | return (skb_network_header(skb)[24] == 0xff) ? | |
2778 | RTN_MULTICAST : 0; | |
2779 | else if (skb->protocol == ETH_P_IP) | |
2780 | return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? | |
2781 | RTN_MULTICAST : 0; | |
2782 | /* ... */ | |
2783 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
2784 | return RTN_BROADCAST; | |
2785 | else { | |
2786 | u16 hdr_mac; | |
2787 | ||
2788 | hdr_mac = *((u16 *)skb->data); | |
2789 | /* tr multicast? */ | |
2790 | switch (card->info.link_type) { | |
2791 | case QETH_LINK_TYPE_HSTR: | |
2792 | case QETH_LINK_TYPE_LANE_TR: | |
2793 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
2794 | (hdr_mac == QETH_TR_MAC_C)) | |
2795 | return RTN_MULTICAST; | |
2796 | break; | |
2797 | /* eth or so multicast? */ | |
2798 | default: | |
2799 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
2800 | (hdr_mac == QETH_ETH_MAC_V6)) | |
2801 | return RTN_MULTICAST; | |
2802 | } | |
2803 | } | |
2804 | return cast_type; | |
2805 | } | |
2806 | ||
b3332930 FB |
2807 | static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, |
2808 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2809 | { | |
2810 | char daddr[16]; | |
2811 | struct af_iucv_trans_hdr *iucv_hdr; | |
2812 | ||
2813 | skb_pull(skb, 14); | |
2814 | card->dev->header_ops->create(skb, card->dev, 0, | |
2815 | card->dev->dev_addr, card->dev->dev_addr, | |
2816 | card->dev->addr_len); | |
2817 | skb_pull(skb, 14); | |
2818 | iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; | |
2819 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
2820 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2821 | hdr->hdr.l3.ext_flags = 0; | |
2822 | hdr->hdr.l3.length = skb->len; | |
2823 | hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; | |
2824 | memset(daddr, 0, sizeof(daddr)); | |
2825 | daddr[0] = 0xfe; | |
2826 | daddr[1] = 0x80; | |
2827 | memcpy(&daddr[8], iucv_hdr->destUserID, 8); | |
2828 | memcpy(hdr->hdr.l3.dest_addr, daddr, 16); | |
2829 | } | |
2830 | ||
4a71df50 FB |
2831 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
2832 | struct sk_buff *skb, int ipv, int cast_type) | |
2833 | { | |
69cce1d1 DM |
2834 | struct neighbour *n = NULL; |
2835 | struct dst_entry *dst; | |
2836 | ||
4a71df50 FB |
2837 | memset(hdr, 0, sizeof(struct qeth_hdr)); |
2838 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2839 | hdr->hdr.l3.ext_flags = 0; | |
2840 | ||
2841 | /* | |
2842 | * before we're going to overwrite this location with next hop ip. | |
2843 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
2844 | */ | |
7ff0bcf6 | 2845 | if (vlan_tx_tag_present(skb)) { |
213298f8 FB |
2846 | if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD)) |
2847 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME; | |
2848 | else | |
2849 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
4a71df50 FB |
2850 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); |
2851 | } | |
2852 | ||
2853 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
1d36cb47 FB |
2854 | |
2855 | rcu_read_lock(); | |
69cce1d1 DM |
2856 | dst = skb_dst(skb); |
2857 | if (dst) | |
27217455 | 2858 | n = dst_get_neighbour_noref(dst); |
4a71df50 FB |
2859 | if (ipv == 4) { |
2860 | /* IPv4 */ | |
2861 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); | |
2862 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
69cce1d1 | 2863 | if (n) { |
4a71df50 | 2864 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = |
69cce1d1 | 2865 | *((u32 *) n->primary_key); |
4a71df50 FB |
2866 | } else { |
2867 | /* fill in destination address used in ip header */ | |
2868 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = | |
2869 | ip_hdr(skb)->daddr; | |
2870 | } | |
2871 | } else if (ipv == 6) { | |
2872 | /* IPv6 */ | |
2873 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); | |
2874 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2875 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; | |
69cce1d1 | 2876 | if (n) { |
4a71df50 | 2877 | memcpy(hdr->hdr.l3.dest_addr, |
69cce1d1 | 2878 | n->primary_key, 16); |
4a71df50 FB |
2879 | } else { |
2880 | /* fill in destination address used in ip header */ | |
2881 | memcpy(hdr->hdr.l3.dest_addr, | |
2882 | &ipv6_hdr(skb)->daddr, 16); | |
2883 | } | |
2884 | } else { | |
2885 | /* passthrough */ | |
2886 | if ((skb->dev->type == ARPHRD_IEEE802_TR) && | |
2887 | !memcmp(skb->data + sizeof(struct qeth_hdr) + | |
2888 | sizeof(__u16), skb->dev->broadcast, 6)) { | |
2889 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2890 | QETH_HDR_PASSTHRU; | |
2891 | } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), | |
2892 | skb->dev->broadcast, 6)) { | |
2893 | /* broadcast? */ | |
2894 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2895 | QETH_HDR_PASSTHRU; | |
2896 | } else { | |
2897 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
2898 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
2899 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
2900 | } | |
2901 | } | |
1d36cb47 | 2902 | rcu_read_unlock(); |
4a71df50 FB |
2903 | } |
2904 | ||
f6b85b6c FB |
2905 | static inline void qeth_l3_hdr_csum(struct qeth_card *card, |
2906 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2907 | { | |
2908 | struct iphdr *iph = ip_hdr(skb); | |
2909 | ||
2910 | /* tcph->check contains already the pseudo hdr checksum | |
2911 | * so just set the header flags | |
2912 | */ | |
2913 | if (iph->protocol == IPPROTO_UDP) | |
2914 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP; | |
16c0f936 FB |
2915 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ | |
2916 | QETH_HDR_EXT_CSUM_HDR_REQ; | |
2917 | iph->check = 0; | |
f6b85b6c FB |
2918 | if (card->options.performance_stats) |
2919 | card->perf_stats.tx_csum++; | |
2920 | } | |
2921 | ||
64ef8957 FB |
2922 | static void qeth_tso_fill_header(struct qeth_card *card, |
2923 | struct qeth_hdr *qhdr, struct sk_buff *skb) | |
2924 | { | |
2925 | struct qeth_hdr_tso *hdr = (struct qeth_hdr_tso *)qhdr; | |
2926 | struct tcphdr *tcph = tcp_hdr(skb); | |
2927 | struct iphdr *iph = ip_hdr(skb); | |
2928 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
2929 | ||
2930 | /*fix header to TSO values ...*/ | |
2931 | hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; | |
8fa9208e | 2932 | hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso); |
64ef8957 FB |
2933 | /*set values which are fix for the first approach ...*/ |
2934 | hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); | |
2935 | hdr->ext.imb_hdr_no = 1; | |
2936 | hdr->ext.hdr_type = 1; | |
2937 | hdr->ext.hdr_version = 1; | |
2938 | hdr->ext.hdr_len = 28; | |
2939 | /*insert non-fix values */ | |
2940 | hdr->ext.mss = skb_shinfo(skb)->gso_size; | |
2941 | hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); | |
2942 | hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - | |
2943 | sizeof(struct qeth_hdr_tso)); | |
2944 | tcph->check = 0; | |
2945 | if (skb->protocol == ETH_P_IPV6) { | |
2946 | ip6h->payload_len = 0; | |
2947 | tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, | |
2948 | 0, IPPROTO_TCP, 0); | |
2949 | } else { | |
2950 | /*OSA want us to set these values ...*/ | |
2951 | tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, | |
2952 | 0, IPPROTO_TCP, 0); | |
2953 | iph->tot_len = 0; | |
2954 | iph->check = 0; | |
2955 | } | |
2956 | } | |
2957 | ||
c3b4a740 FB |
2958 | static inline int qeth_l3_tso_elements(struct sk_buff *skb) |
2959 | { | |
2960 | unsigned long tcpd = (unsigned long)tcp_hdr(skb) + | |
2961 | tcp_hdr(skb)->doff * 4; | |
2962 | int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data); | |
51aa165c | 2963 | int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd); |
c3b4a740 FB |
2964 | elements += skb_shinfo(skb)->nr_frags; |
2965 | return elements; | |
2966 | } | |
2967 | ||
4a71df50 FB |
2968 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
2969 | { | |
2970 | int rc; | |
2971 | u16 *tag; | |
2972 | struct qeth_hdr *hdr = NULL; | |
2973 | int elements_needed = 0; | |
64ef8957 | 2974 | int elems; |
509e2562 | 2975 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2976 | struct sk_buff *new_skb = NULL; |
2977 | int ipv = qeth_get_ip_version(skb); | |
ce73e10e | 2978 | int cast_type = qeth_l3_get_cast_type(card, skb); |
4a71df50 FB |
2979 | struct qeth_qdio_out_q *queue = card->qdio.out_qs |
2980 | [qeth_get_priority_queue(card, skb, ipv, cast_type)]; | |
2981 | int tx_bytes = skb->len; | |
6204b47e | 2982 | bool large_send; |
683d718a | 2983 | int data_offset = -1; |
64ef8957 | 2984 | int nr_frags; |
4a71df50 | 2985 | |
b3332930 FB |
2986 | if (((card->info.type == QETH_CARD_TYPE_IQD) && |
2987 | (((card->options.cq != QETH_CQ_ENABLED) && !ipv) || | |
2988 | ((card->options.cq == QETH_CQ_ENABLED) && | |
2989 | (skb->protocol != ETH_P_AF_IUCV)))) || | |
2990 | card->options.sniffer) | |
4a71df50 FB |
2991 | goto tx_drop; |
2992 | ||
2993 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
2994 | card->stats.tx_carrier_errors++; | |
2995 | goto tx_drop; | |
2996 | } | |
2997 | ||
2998 | if ((cast_type == RTN_BROADCAST) && | |
2999 | (card->info.broadcast_capable == 0)) | |
3000 | goto tx_drop; | |
3001 | ||
3002 | if (card->options.performance_stats) { | |
3003 | card->perf_stats.outbound_cnt++; | |
3004 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
3005 | } | |
3006 | ||
6204b47e | 3007 | large_send = skb_is_gso(skb); |
683d718a FB |
3008 | |
3009 | if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) && | |
3010 | (skb_shinfo(skb)->nr_frags == 0)) { | |
3011 | new_skb = skb; | |
b3332930 FB |
3012 | if (new_skb->protocol == ETH_P_AF_IUCV) |
3013 | data_offset = 0; | |
3014 | else | |
3015 | data_offset = ETH_HLEN; | |
683d718a FB |
3016 | hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); |
3017 | if (!hdr) | |
3018 | goto tx_drop; | |
3019 | elements_needed++; | |
3020 | } else { | |
3021 | /* create a clone with writeable headroom */ | |
3022 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) | |
3023 | + VLAN_HLEN); | |
3024 | if (!new_skb) | |
3025 | goto tx_drop; | |
3026 | } | |
4a71df50 FB |
3027 | |
3028 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
683d718a FB |
3029 | if (data_offset < 0) |
3030 | skb_pull(new_skb, ETH_HLEN); | |
4a71df50 | 3031 | } else { |
21fde749 | 3032 | if (ipv == 4) { |
4a71df50 FB |
3033 | if (card->dev->type == ARPHRD_IEEE802_TR) |
3034 | skb_pull(new_skb, TR_HLEN); | |
3035 | else | |
3036 | skb_pull(new_skb, ETH_HLEN); | |
3037 | } | |
3038 | ||
7ff0bcf6 | 3039 | if (ipv != 4 && vlan_tx_tag_present(new_skb)) { |
4a71df50 FB |
3040 | skb_push(new_skb, VLAN_HLEN); |
3041 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); | |
3042 | skb_copy_to_linear_data_offset(new_skb, 4, | |
3043 | new_skb->data + 8, 4); | |
3044 | skb_copy_to_linear_data_offset(new_skb, 8, | |
3045 | new_skb->data + 12, 4); | |
3046 | tag = (u16 *)(new_skb->data + 12); | |
3047 | *tag = __constant_htons(ETH_P_8021Q); | |
3048 | *(tag + 1) = htons(vlan_tx_tag_get(new_skb)); | |
4a71df50 FB |
3049 | } |
3050 | } | |
3051 | ||
3052 | netif_stop_queue(dev); | |
3053 | ||
4a71df50 | 3054 | /* fix hardware limitation: as long as we do not have sbal |
64ef8957 | 3055 | * chaining we can not send long frag lists |
4a71df50 | 3056 | */ |
6204b47e | 3057 | if (large_send) { |
c3b4a740 FB |
3058 | if (qeth_l3_tso_elements(new_skb) + 1 > 16) { |
3059 | if (skb_linearize(new_skb)) | |
3060 | goto tx_drop; | |
3061 | if (card->options.performance_stats) | |
3062 | card->perf_stats.tx_lin++; | |
3063 | } | |
64ef8957 | 3064 | } |
4a71df50 | 3065 | |
6204b47e | 3066 | if (large_send && (cast_type == RTN_UNSPEC)) { |
4a71df50 FB |
3067 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
3068 | sizeof(struct qeth_hdr_tso)); | |
3069 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | |
3070 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
3071 | qeth_tso_fill_header(card, hdr, new_skb); | |
3072 | elements_needed++; | |
3073 | } else { | |
683d718a FB |
3074 | if (data_offset < 0) { |
3075 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
4a71df50 | 3076 | sizeof(struct qeth_hdr)); |
683d718a FB |
3077 | qeth_l3_fill_header(card, hdr, new_skb, ipv, |
3078 | cast_type); | |
3079 | } else { | |
b3332930 FB |
3080 | if (new_skb->protocol == ETH_P_AF_IUCV) |
3081 | qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb); | |
3082 | else { | |
3083 | qeth_l3_fill_header(card, hdr, new_skb, ipv, | |
3084 | cast_type); | |
3085 | hdr->hdr.l3.length = new_skb->len - data_offset; | |
3086 | } | |
683d718a | 3087 | } |
f6b85b6c FB |
3088 | |
3089 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
3090 | qeth_l3_hdr_csum(card, hdr, new_skb); | |
4a71df50 FB |
3091 | } |
3092 | ||
64ef8957 | 3093 | elems = qeth_get_elements_no(card, (void *)hdr, new_skb, |
4a71df50 | 3094 | elements_needed); |
64ef8957 FB |
3095 | if (!elems) { |
3096 | if (data_offset >= 0) | |
3097 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3098 | goto tx_drop; | |
f61a0d05 | 3099 | } |
64ef8957 FB |
3100 | elements_needed += elems; |
3101 | nr_frags = skb_shinfo(new_skb)->nr_frags; | |
4a71df50 | 3102 | |
51aa165c FB |
3103 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
3104 | int len; | |
6204b47e | 3105 | if (large_send) |
51aa165c FB |
3106 | len = ((unsigned long)tcp_hdr(new_skb) + |
3107 | tcp_hdr(new_skb)->doff * 4) - | |
3108 | (unsigned long)new_skb->data; | |
3109 | else | |
3110 | len = sizeof(struct qeth_hdr_layer3); | |
3111 | ||
3112 | if (qeth_hdr_chk_and_bounce(new_skb, len)) | |
3113 | goto tx_drop; | |
4a71df50 | 3114 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
64ef8957 | 3115 | elements_needed); |
51aa165c | 3116 | } else |
4a71df50 | 3117 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
64ef8957 | 3118 | elements_needed, data_offset, 0); |
4a71df50 FB |
3119 | |
3120 | if (!rc) { | |
3121 | card->stats.tx_packets++; | |
3122 | card->stats.tx_bytes += tx_bytes; | |
3123 | if (new_skb != skb) | |
3124 | dev_kfree_skb_any(skb); | |
3125 | if (card->options.performance_stats) { | |
6204b47e | 3126 | if (large_send) { |
4a71df50 FB |
3127 | card->perf_stats.large_send_bytes += tx_bytes; |
3128 | card->perf_stats.large_send_cnt++; | |
3129 | } | |
64ef8957 | 3130 | if (nr_frags) { |
4a71df50 FB |
3131 | card->perf_stats.sg_skbs_sent++; |
3132 | /* nr_frags + skb->data */ | |
64ef8957 | 3133 | card->perf_stats.sg_frags_sent += nr_frags + 1; |
4a71df50 FB |
3134 | } |
3135 | } | |
ec634fe3 | 3136 | rc = NETDEV_TX_OK; |
4a71df50 | 3137 | } else { |
683d718a FB |
3138 | if (data_offset >= 0) |
3139 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3140 | ||
4a71df50 FB |
3141 | if (rc == -EBUSY) { |
3142 | if (new_skb != skb) | |
3143 | dev_kfree_skb_any(new_skb); | |
3144 | return NETDEV_TX_BUSY; | |
3145 | } else | |
3146 | goto tx_drop; | |
3147 | } | |
3148 | ||
3149 | netif_wake_queue(dev); | |
3150 | if (card->options.performance_stats) | |
3151 | card->perf_stats.outbound_time += qeth_get_micros() - | |
3152 | card->perf_stats.outbound_start_time; | |
3153 | return rc; | |
3154 | ||
3155 | tx_drop: | |
3156 | card->stats.tx_dropped++; | |
3157 | card->stats.tx_errors++; | |
3158 | if ((new_skb != skb) && new_skb) | |
3159 | dev_kfree_skb_any(new_skb); | |
3160 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 3161 | netif_wake_queue(dev); |
4a71df50 FB |
3162 | return NETDEV_TX_OK; |
3163 | } | |
3164 | ||
39423440 | 3165 | static int __qeth_l3_open(struct net_device *dev) |
4a71df50 | 3166 | { |
509e2562 | 3167 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 3168 | int rc = 0; |
4a71df50 | 3169 | |
847a50fd | 3170 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
3171 | if (card->state == CARD_STATE_UP) |
3172 | return rc; | |
4a71df50 FB |
3173 | if (card->state != CARD_STATE_SOFTSETUP) |
3174 | return -ENODEV; | |
3175 | card->data.state = CH_STATE_UP; | |
3176 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
3177 | netif_start_queue(dev); |
3178 | ||
a1c3ed4c FB |
3179 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
3180 | napi_enable(&card->napi); | |
3181 | napi_schedule(&card->napi); | |
3182 | } else | |
3183 | rc = -EIO; | |
3184 | return rc; | |
4a71df50 FB |
3185 | } |
3186 | ||
39423440 UB |
3187 | static int qeth_l3_open(struct net_device *dev) |
3188 | { | |
3189 | struct qeth_card *card = dev->ml_priv; | |
3190 | ||
3191 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
3192 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
3193 | QETH_CARD_TEXT(card, 3, "openREC"); | |
3194 | return -ERESTARTSYS; | |
3195 | } | |
3196 | return __qeth_l3_open(dev); | |
3197 | } | |
3198 | ||
4a71df50 FB |
3199 | static int qeth_l3_stop(struct net_device *dev) |
3200 | { | |
509e2562 | 3201 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3202 | |
847a50fd | 3203 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 3204 | netif_tx_disable(dev); |
a1c3ed4c | 3205 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 3206 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
3207 | napi_disable(&card->napi); |
3208 | } | |
4a71df50 FB |
3209 | return 0; |
3210 | } | |
3211 | ||
c8f44aff MM |
3212 | static netdev_features_t qeth_l3_fix_features(struct net_device *dev, |
3213 | netdev_features_t features) | |
4a71df50 | 3214 | { |
509e2562 | 3215 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3216 | |
6204b47e MM |
3217 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) |
3218 | features &= ~NETIF_F_IP_CSUM; | |
3219 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) | |
3220 | features &= ~NETIF_F_TSO; | |
3221 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) | |
3222 | features &= ~NETIF_F_RXCSUM; | |
3223 | ||
3224 | return features; | |
4a71df50 FB |
3225 | } |
3226 | ||
c8f44aff MM |
3227 | static int qeth_l3_set_features(struct net_device *dev, |
3228 | netdev_features_t features) | |
4a71df50 | 3229 | { |
6204b47e MM |
3230 | struct qeth_card *card = dev->ml_priv; |
3231 | u32 changed = dev->features ^ features; | |
60a34277 | 3232 | int err; |
4a71df50 | 3233 | |
6204b47e MM |
3234 | if (!(changed & NETIF_F_RXCSUM)) |
3235 | return 0; | |
3236 | ||
60a34277 FB |
3237 | if (card->state == CARD_STATE_DOWN || |
3238 | card->state == CARD_STATE_RECOVER) | |
3239 | return 0; | |
3240 | ||
3241 | err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM); | |
3242 | if (err) | |
3243 | dev->features = features ^ NETIF_F_RXCSUM; | |
4a71df50 | 3244 | |
60a34277 | 3245 | return err; |
4a71df50 FB |
3246 | } |
3247 | ||
0fc0b732 | 3248 | static const struct ethtool_ops qeth_l3_ethtool_ops = { |
4a71df50 | 3249 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
3250 | .get_strings = qeth_core_get_strings, |
3251 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 3252 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 3253 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 3254 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
3255 | }; |
3256 | ||
3257 | /* | |
3258 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
3259 | * NOARP on the netdevice is no option because it also turns off neighbor | |
3260 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
3261 | * arp resolution but we want the hard header (packet socket will work | |
3262 | * e.g. tcpdump) | |
3263 | */ | |
3264 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
3265 | { | |
3266 | n->nud_state = NUD_NOARP; | |
3267 | memcpy(n->ha, "FAKELL", 6); | |
3268 | n->output = n->ops->connected_output; | |
3269 | return 0; | |
3270 | } | |
3271 | ||
3272 | static int | |
3273 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
3274 | { | |
3275 | if (np->tbl->family == AF_INET) | |
3276 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
3277 | ||
3278 | return 0; | |
3279 | } | |
3280 | ||
3d58cefd | 3281 | static const struct net_device_ops qeth_l3_netdev_ops = { |
8403b13c FB |
3282 | .ndo_open = qeth_l3_open, |
3283 | .ndo_stop = qeth_l3_stop, | |
3284 | .ndo_get_stats = qeth_get_stats, | |
3285 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3286 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3287 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3288 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3289 | .ndo_change_mtu = qeth_change_mtu, | |
3290 | .ndo_fix_features = qeth_l3_fix_features, | |
3291 | .ndo_set_features = qeth_l3_set_features, | |
8403b13c FB |
3292 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3293 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3294 | .ndo_tx_timeout = qeth_tx_timeout, |
8403b13c FB |
3295 | }; |
3296 | ||
3d58cefd FB |
3297 | static const struct net_device_ops qeth_l3_osa_netdev_ops = { |
3298 | .ndo_open = qeth_l3_open, | |
3299 | .ndo_stop = qeth_l3_stop, | |
3300 | .ndo_get_stats = qeth_get_stats, | |
3301 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3302 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3303 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3304 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3305 | .ndo_change_mtu = qeth_change_mtu, | |
3306 | .ndo_fix_features = qeth_l3_fix_features, | |
3307 | .ndo_set_features = qeth_l3_set_features, | |
3d58cefd FB |
3308 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3309 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3310 | .ndo_tx_timeout = qeth_tx_timeout, |
3d58cefd FB |
3311 | .ndo_neigh_setup = qeth_l3_neigh_setup, |
3312 | }; | |
3313 | ||
4a71df50 FB |
3314 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
3315 | { | |
5113fec0 UB |
3316 | if (card->info.type == QETH_CARD_TYPE_OSD || |
3317 | card->info.type == QETH_CARD_TYPE_OSX) { | |
4a71df50 FB |
3318 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
3319 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { | |
3320 | #ifdef CONFIG_TR | |
3321 | card->dev = alloc_trdev(0); | |
3322 | #endif | |
3323 | if (!card->dev) | |
3324 | return -ENODEV; | |
3d58cefd | 3325 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
4a71df50 FB |
3326 | } else { |
3327 | card->dev = alloc_etherdev(0); | |
3328 | if (!card->dev) | |
3329 | return -ENODEV; | |
3d58cefd | 3330 | card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; |
4a71df50 FB |
3331 | |
3332 | /*IPv6 address autoconfiguration stuff*/ | |
3333 | qeth_l3_get_unique_id(card); | |
3334 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
3335 | card->dev->dev_id = card->info.unique_id & | |
3336 | 0xffff; | |
c5e631a8 FB |
3337 | if (!card->info.guestlan) { |
3338 | card->dev->hw_features = NETIF_F_SG | | |
3339 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | | |
3340 | NETIF_F_TSO; | |
3341 | card->dev->features = NETIF_F_RXCSUM; | |
3342 | } | |
4a71df50 FB |
3343 | } |
3344 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { | |
3345 | card->dev = alloc_netdev(0, "hsi%d", ether_setup); | |
3346 | if (!card->dev) | |
3347 | return -ENODEV; | |
3348 | card->dev->flags |= IFF_NOARP; | |
3d58cefd | 3349 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
4a71df50 | 3350 | qeth_l3_iqd_read_initial_mac(card); |
b3332930 FB |
3351 | if (card->options.hsuid[0]) |
3352 | memcpy(card->dev->perm_addr, card->options.hsuid, 9); | |
4a71df50 FB |
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); | |
3360 | card->dev->features |= NETIF_F_HW_VLAN_TX | | |
3361 | NETIF_F_HW_VLAN_RX | | |
3362 | NETIF_F_HW_VLAN_FILTER; | |
86d15cd8 | 3363 | card->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; |
c3b4a740 | 3364 | card->dev->gso_max_size = 15 * PAGE_SIZE; |
4a71df50 FB |
3365 | |
3366 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 3367 | netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT); |
4a71df50 FB |
3368 | return register_netdev(card->dev); |
3369 | } | |
3370 | ||
4a71df50 FB |
3371 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
3372 | { | |
3373 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3374 | ||
3375 | qeth_l3_create_device_attributes(&gdev->dev); | |
3376 | card->options.layer2 = 0; | |
1da74b1c | 3377 | card->info.hwtrap = 0; |
a1c3ed4c | 3378 | card->discipline.start_poll = qeth_qdio_start_poll; |
4a71df50 | 3379 | card->discipline.input_handler = (qdio_handler_t *) |
a1c3ed4c | 3380 | qeth_qdio_input_handler; |
4a71df50 FB |
3381 | card->discipline.output_handler = (qdio_handler_t *) |
3382 | qeth_qdio_output_handler; | |
3383 | card->discipline.recover = qeth_l3_recover; | |
3384 | return 0; | |
3385 | } | |
3386 | ||
3387 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
3388 | { | |
3389 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3390 | ||
9dc48ccc UB |
3391 | qeth_l3_remove_device_attributes(&cgdev->dev); |
3392 | ||
f2148565 | 3393 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
3394 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
3395 | ||
70919e23 | 3396 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 3397 | qeth_l3_set_offline(cgdev); |
4a71df50 FB |
3398 | |
3399 | if (card->dev) { | |
3400 | unregister_netdev(card->dev); | |
3401 | card->dev = NULL; | |
3402 | } | |
3403 | ||
70919e23 | 3404 | qeth_l3_clear_ip_list(card, 0); |
4a71df50 FB |
3405 | qeth_l3_clear_ipato_list(card); |
3406 | return; | |
3407 | } | |
3408 | ||
3409 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
3410 | { | |
3411 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3412 | int rc = 0; | |
3413 | enum qeth_card_states recover_flag; | |
3414 | ||
3415 | BUG_ON(!card); | |
9dc48ccc | 3416 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3417 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3418 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
3419 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 3420 | |
4a71df50 | 3421 | recover_flag = card->state; |
4a71df50 FB |
3422 | rc = qeth_core_hardsetup_card(card); |
3423 | if (rc) { | |
d11ba0c4 | 3424 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
aa909224 | 3425 | rc = -ENODEV; |
4a71df50 FB |
3426 | goto out_remove; |
3427 | } | |
3428 | ||
aa909224 UB |
3429 | if (!card->dev && qeth_l3_setup_netdev(card)) { |
3430 | rc = -ENODEV; | |
4a71df50 | 3431 | goto out_remove; |
aa909224 | 3432 | } |
4a71df50 | 3433 | |
1da74b1c FB |
3434 | if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { |
3435 | if (card->info.hwtrap && | |
3436 | qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) | |
3437 | card->info.hwtrap = 0; | |
3438 | } else | |
3439 | card->info.hwtrap = 0; | |
3440 | ||
4a71df50 | 3441 | card->state = CARD_STATE_HARDSETUP; |
a1c3ed4c | 3442 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
3443 | qeth_print_status_message(card); |
3444 | ||
3445 | /* softsetup */ | |
d11ba0c4 | 3446 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
3447 | |
3448 | rc = qeth_send_startlan(card); | |
3449 | if (rc) { | |
d11ba0c4 | 3450 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 3451 | if (rc == 0xe080) { |
74eacdb9 FB |
3452 | dev_warn(&card->gdev->dev, |
3453 | "The LAN is offline\n"); | |
4a71df50 | 3454 | card->lan_online = 0; |
2b6203bb | 3455 | goto contin; |
4a71df50 | 3456 | } |
aa909224 | 3457 | rc = -ENODEV; |
f2148565 | 3458 | goto out_remove; |
4a71df50 FB |
3459 | } else |
3460 | card->lan_online = 1; | |
4a71df50 | 3461 | |
2b6203bb | 3462 | contin: |
4a71df50 FB |
3463 | rc = qeth_l3_setadapter_parms(card); |
3464 | if (rc) | |
d11ba0c4 | 3465 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
76b11f8e UB |
3466 | if (!card->options.sniffer) { |
3467 | rc = qeth_l3_start_ipassists(card); | |
3468 | if (rc) | |
3469 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); | |
76b11f8e UB |
3470 | rc = qeth_l3_setrouting_v4(card); |
3471 | if (rc) | |
3472 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); | |
3473 | rc = qeth_l3_setrouting_v6(card); | |
3474 | if (rc) | |
3475 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); | |
3476 | } | |
4a71df50 FB |
3477 | netif_tx_disable(card->dev); |
3478 | ||
3479 | rc = qeth_init_qdio_queues(card); | |
3480 | if (rc) { | |
d11ba0c4 | 3481 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 3482 | rc = -ENODEV; |
4a71df50 FB |
3483 | goto out_remove; |
3484 | } | |
3485 | card->state = CARD_STATE_SOFTSETUP; | |
4a71df50 FB |
3486 | |
3487 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
e8069040 | 3488 | qeth_l3_set_ip_addr_list(card); |
2b6203bb UB |
3489 | if (card->lan_online) |
3490 | netif_carrier_on(card->dev); | |
3491 | else | |
3492 | netif_carrier_off(card->dev); | |
8af7c5ae FB |
3493 | if (recover_flag == CARD_STATE_RECOVER) { |
3494 | if (recovery_mode) | |
39423440 | 3495 | __qeth_l3_open(card->dev); |
8af7c5ae FB |
3496 | else { |
3497 | rtnl_lock(); | |
3498 | dev_open(card->dev); | |
3499 | rtnl_unlock(); | |
3500 | } | |
3501 | qeth_l3_set_multicast_list(card->dev); | |
4a71df50 FB |
3502 | } |
3503 | /* let user_space know that device is online */ | |
3504 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3505 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3506 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3507 | return 0; |
3508 | out_remove: | |
4a71df50 FB |
3509 | qeth_l3_stop_card(card, 0); |
3510 | ccw_device_set_offline(CARD_DDEV(card)); | |
3511 | ccw_device_set_offline(CARD_WDEV(card)); | |
3512 | ccw_device_set_offline(CARD_RDEV(card)); | |
3513 | if (recover_flag == CARD_STATE_RECOVER) | |
3514 | card->state = CARD_STATE_RECOVER; | |
3515 | else | |
3516 | card->state = CARD_STATE_DOWN; | |
c4949f07 | 3517 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3518 | mutex_unlock(&card->discipline_mutex); |
aa909224 | 3519 | return rc; |
4a71df50 FB |
3520 | } |
3521 | ||
3522 | static int qeth_l3_set_online(struct ccwgroup_device *gdev) | |
3523 | { | |
3524 | return __qeth_l3_set_online(gdev, 0); | |
3525 | } | |
3526 | ||
3527 | static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, | |
3528 | int recovery_mode) | |
3529 | { | |
3530 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3531 | int rc = 0, rc2 = 0, rc3 = 0; | |
3532 | enum qeth_card_states recover_flag; | |
3533 | ||
9dc48ccc | 3534 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3535 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3536 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
3537 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
3538 | |
3539 | if (card->dev && netif_carrier_ok(card->dev)) | |
3540 | netif_carrier_off(card->dev); | |
3541 | recover_flag = card->state; | |
1da74b1c FB |
3542 | if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { |
3543 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
3544 | card->info.hwtrap = 1; | |
3545 | } | |
0f5623c9 | 3546 | qeth_l3_stop_card(card, recovery_mode); |
4a71df50 FB |
3547 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
3548 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
3549 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
3550 | if (!rc) | |
3551 | rc = (rc2) ? rc2 : rc3; | |
3552 | if (rc) | |
d11ba0c4 | 3553 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3554 | if (recover_flag == CARD_STATE_UP) |
3555 | card->state = CARD_STATE_RECOVER; | |
3556 | /* let user_space know that device is offline */ | |
3557 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3558 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3559 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3560 | return 0; |
3561 | } | |
3562 | ||
3563 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) | |
3564 | { | |
3565 | return __qeth_l3_set_offline(cgdev, 0); | |
3566 | } | |
3567 | ||
3568 | static int qeth_l3_recover(void *ptr) | |
3569 | { | |
3570 | struct qeth_card *card; | |
3571 | int rc = 0; | |
3572 | ||
3573 | card = (struct qeth_card *) ptr; | |
847a50fd CO |
3574 | QETH_CARD_TEXT(card, 2, "recover1"); |
3575 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3576 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
3577 | return 0; | |
847a50fd | 3578 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
3579 | dev_warn(&card->gdev->dev, |
3580 | "A recovery process has been started for the device\n"); | |
4a71df50 FB |
3581 | __qeth_l3_set_offline(card->gdev, 1); |
3582 | rc = __qeth_l3_set_online(card->gdev, 1); | |
4a71df50 | 3583 | if (!rc) |
74eacdb9 FB |
3584 | dev_info(&card->gdev->dev, |
3585 | "Device successfully recovered!\n"); | |
28a7e4c9 UB |
3586 | else { |
3587 | rtnl_lock(); | |
3588 | dev_close(card->dev); | |
3589 | rtnl_unlock(); | |
74eacdb9 FB |
3590 | dev_warn(&card->gdev->dev, "The qeth device driver " |
3591 | "failed to recover an error on the device\n"); | |
28a7e4c9 | 3592 | } |
a1c3ed4c FB |
3593 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
3594 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
3595 | return 0; |
3596 | } | |
3597 | ||
3598 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) | |
3599 | { | |
3600 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
1da74b1c FB |
3601 | if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) |
3602 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
4a71df50 FB |
3603 | qeth_qdio_clear_card(card, 0); |
3604 | qeth_clear_qdio_buffers(card); | |
3605 | } | |
3606 | ||
bbcfcdc8 FB |
3607 | static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) |
3608 | { | |
3609 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3610 | ||
3611 | if (card->dev) | |
3612 | netif_device_detach(card->dev); | |
3613 | qeth_set_allowed_threads(card, 0, 1); | |
3614 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
3615 | if (gdev->state == CCWGROUP_OFFLINE) | |
3616 | return 0; | |
3617 | if (card->state == CARD_STATE_UP) { | |
1da74b1c FB |
3618 | if (card->info.hwtrap) |
3619 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
bbcfcdc8 FB |
3620 | __qeth_l3_set_offline(card->gdev, 1); |
3621 | } else | |
3622 | __qeth_l3_set_offline(card->gdev, 0); | |
3623 | return 0; | |
3624 | } | |
3625 | ||
3626 | static int qeth_l3_pm_resume(struct ccwgroup_device *gdev) | |
3627 | { | |
3628 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3629 | int rc = 0; | |
3630 | ||
3631 | if (gdev->state == CCWGROUP_OFFLINE) | |
3632 | goto out; | |
3633 | ||
3634 | if (card->state == CARD_STATE_RECOVER) { | |
3635 | rc = __qeth_l3_set_online(card->gdev, 1); | |
3636 | if (rc) { | |
869da90b UB |
3637 | rtnl_lock(); |
3638 | dev_close(card->dev); | |
3639 | rtnl_unlock(); | |
bbcfcdc8 FB |
3640 | } |
3641 | } else | |
3642 | rc = __qeth_l3_set_online(card->gdev, 0); | |
3643 | out: | |
3644 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
3645 | if (card->dev) | |
3646 | netif_device_attach(card->dev); | |
3647 | if (rc) | |
3648 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
3649 | "failed to recover an error on the device\n"); | |
3650 | return rc; | |
3651 | } | |
3652 | ||
4a71df50 FB |
3653 | struct ccwgroup_driver qeth_l3_ccwgroup_driver = { |
3654 | .probe = qeth_l3_probe_device, | |
3655 | .remove = qeth_l3_remove_device, | |
3656 | .set_online = qeth_l3_set_online, | |
3657 | .set_offline = qeth_l3_set_offline, | |
3658 | .shutdown = qeth_l3_shutdown, | |
bbcfcdc8 FB |
3659 | .freeze = qeth_l3_pm_suspend, |
3660 | .thaw = qeth_l3_pm_resume, | |
3661 | .restore = qeth_l3_pm_resume, | |
4a71df50 FB |
3662 | }; |
3663 | EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver); | |
3664 | ||
3665 | static int qeth_l3_ip_event(struct notifier_block *this, | |
76fef2b6 | 3666 | unsigned long event, void *ptr) |
4a71df50 FB |
3667 | { |
3668 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3669 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; | |
3670 | struct qeth_ipaddr *addr; | |
3671 | struct qeth_card *card; | |
3672 | ||
c346dca1 | 3673 | if (dev_net(dev) != &init_net) |
76fef2b6 DM |
3674 | return NOTIFY_DONE; |
3675 | ||
4a71df50 | 3676 | card = qeth_l3_get_card_from_dev(dev); |
847a50fd | 3677 | QETH_CARD_TEXT(card, 3, "ipevent"); |
4a71df50 FB |
3678 | if (!card) |
3679 | return NOTIFY_DONE; | |
3680 | ||
3681 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
3682 | if (addr != NULL) { | |
3683 | addr->u.a4.addr = ifa->ifa_address; | |
3684 | addr->u.a4.mask = ifa->ifa_mask; | |
3685 | addr->type = QETH_IP_TYPE_NORMAL; | |
3686 | } else | |
3687 | goto out; | |
3688 | ||
3689 | switch (event) { | |
3690 | case NETDEV_UP: | |
3691 | if (!qeth_l3_add_ip(card, addr)) | |
3692 | kfree(addr); | |
3693 | break; | |
3694 | case NETDEV_DOWN: | |
3695 | if (!qeth_l3_delete_ip(card, addr)) | |
3696 | kfree(addr); | |
3697 | break; | |
3698 | default: | |
3699 | break; | |
3700 | } | |
3701 | qeth_l3_set_ip_addr_list(card); | |
3702 | out: | |
3703 | return NOTIFY_DONE; | |
3704 | } | |
3705 | ||
3706 | static struct notifier_block qeth_l3_ip_notifier = { | |
3707 | qeth_l3_ip_event, | |
3708 | NULL, | |
3709 | }; | |
3710 | ||
3711 | #ifdef CONFIG_QETH_IPV6 | |
3712 | /** | |
3713 | * IPv6 event handler | |
3714 | */ | |
3715 | static int qeth_l3_ip6_event(struct notifier_block *this, | |
76fef2b6 | 3716 | unsigned long event, void *ptr) |
4a71df50 FB |
3717 | { |
3718 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
3719 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
3720 | struct qeth_ipaddr *addr; | |
3721 | struct qeth_card *card; | |
3722 | ||
4a71df50 FB |
3723 | card = qeth_l3_get_card_from_dev(dev); |
3724 | if (!card) | |
3725 | return NOTIFY_DONE; | |
847a50fd | 3726 | QETH_CARD_TEXT(card, 3, "ip6event"); |
4a71df50 FB |
3727 | if (!qeth_is_supported(card, IPA_IPV6)) |
3728 | return NOTIFY_DONE; | |
3729 | ||
3730 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
3731 | if (addr != NULL) { | |
3732 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
3733 | addr->u.a6.pfxlen = ifa->prefix_len; | |
3734 | addr->type = QETH_IP_TYPE_NORMAL; | |
3735 | } else | |
3736 | goto out; | |
3737 | ||
3738 | switch (event) { | |
3739 | case NETDEV_UP: | |
3740 | if (!qeth_l3_add_ip(card, addr)) | |
3741 | kfree(addr); | |
3742 | break; | |
3743 | case NETDEV_DOWN: | |
3744 | if (!qeth_l3_delete_ip(card, addr)) | |
3745 | kfree(addr); | |
3746 | break; | |
3747 | default: | |
3748 | break; | |
3749 | } | |
3750 | qeth_l3_set_ip_addr_list(card); | |
3751 | out: | |
3752 | return NOTIFY_DONE; | |
3753 | } | |
3754 | ||
3755 | static struct notifier_block qeth_l3_ip6_notifier = { | |
3756 | qeth_l3_ip6_event, | |
3757 | NULL, | |
3758 | }; | |
3759 | #endif | |
3760 | ||
3761 | static int qeth_l3_register_notifiers(void) | |
3762 | { | |
3763 | int rc; | |
3764 | ||
847a50fd | 3765 | QETH_DBF_TEXT(SETUP, 5, "regnotif"); |
4a71df50 FB |
3766 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
3767 | if (rc) | |
3768 | return rc; | |
3769 | #ifdef CONFIG_QETH_IPV6 | |
3770 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); | |
3771 | if (rc) { | |
3772 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
3773 | return rc; | |
3774 | } | |
3775 | #else | |
74eacdb9 | 3776 | pr_warning("There is no IPv6 support for the layer 3 discipline\n"); |
4a71df50 FB |
3777 | #endif |
3778 | return 0; | |
3779 | } | |
3780 | ||
3781 | static void qeth_l3_unregister_notifiers(void) | |
3782 | { | |
3783 | ||
847a50fd | 3784 | QETH_DBF_TEXT(SETUP, 5, "unregnot"); |
4a71df50 FB |
3785 | BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
3786 | #ifdef CONFIG_QETH_IPV6 | |
3787 | BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); | |
3788 | #endif /* QETH_IPV6 */ | |
3789 | } | |
3790 | ||
3791 | static int __init qeth_l3_init(void) | |
3792 | { | |
3793 | int rc = 0; | |
3794 | ||
74eacdb9 | 3795 | pr_info("register layer 3 discipline\n"); |
4a71df50 FB |
3796 | rc = qeth_l3_register_notifiers(); |
3797 | return rc; | |
3798 | } | |
3799 | ||
3800 | static void __exit qeth_l3_exit(void) | |
3801 | { | |
3802 | qeth_l3_unregister_notifiers(); | |
74eacdb9 | 3803 | pr_info("unregister layer 3 discipline\n"); |
4a71df50 FB |
3804 | } |
3805 | ||
3806 | module_init(qeth_l3_init); | |
3807 | module_exit(qeth_l3_exit); | |
3808 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
3809 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
3810 | MODULE_LICENSE("GPL"); |