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> | |
87e7597b DM |
31 | #include <net/route.h> |
32 | #include <net/ip6_fib.h> | |
64ef8957 | 33 | #include <net/ip6_checksum.h> |
b3332930 | 34 | #include <net/iucv/af_iucv.h> |
4a71df50 | 35 | |
4a71df50 | 36 | #include "qeth_l3.h" |
4a71df50 | 37 | |
d0ddf30f | 38 | |
4a71df50 FB |
39 | static int qeth_l3_set_offline(struct ccwgroup_device *); |
40 | static int qeth_l3_recover(void *); | |
41 | static int qeth_l3_stop(struct net_device *); | |
42 | static void qeth_l3_set_multicast_list(struct net_device *); | |
43 | static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *); | |
44 | static int qeth_l3_register_addr_entry(struct qeth_card *, | |
45 | struct qeth_ipaddr *); | |
46 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, | |
47 | struct qeth_ipaddr *); | |
48 | static int __qeth_l3_set_online(struct ccwgroup_device *, int); | |
49 | static int __qeth_l3_set_offline(struct ccwgroup_device *, int); | |
50 | ||
4a71df50 FB |
51 | static int qeth_l3_isxdigit(char *buf) |
52 | { | |
53 | while (*buf) { | |
54 | if (!isxdigit(*buf++)) | |
55 | return 0; | |
56 | } | |
57 | return 1; | |
58 | } | |
59 | ||
60 | void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) | |
61 | { | |
62 | sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); | |
63 | } | |
64 | ||
65 | int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) | |
66 | { | |
67 | int count = 0, rc = 0; | |
68 | int in[4]; | |
69 | char c; | |
70 | ||
71 | rc = sscanf(buf, "%u.%u.%u.%u%c", | |
72 | &in[0], &in[1], &in[2], &in[3], &c); | |
73 | if (rc != 4 && (rc != 5 || c != '\n')) | |
74 | return -EINVAL; | |
75 | for (count = 0; count < 4; count++) { | |
76 | if (in[count] > 255) | |
77 | return -EINVAL; | |
78 | addr[count] = in[count]; | |
79 | } | |
80 | return 0; | |
81 | } | |
82 | ||
83 | void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) | |
84 | { | |
963a9fd2 | 85 | sprintf(buf, "%pI6", addr); |
4a71df50 FB |
86 | } |
87 | ||
88 | int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) | |
89 | { | |
90 | const char *end, *end_tmp, *start; | |
91 | __u16 *in; | |
92 | char num[5]; | |
93 | int num2, cnt, out, found, save_cnt; | |
94 | unsigned short in_tmp[8] = {0, }; | |
95 | ||
96 | cnt = out = found = save_cnt = num2 = 0; | |
97 | end = start = buf; | |
98 | in = (__u16 *) addr; | |
99 | memset(in, 0, 16); | |
100 | while (*end) { | |
101 | end = strchr(start, ':'); | |
102 | if (end == NULL) { | |
103 | end = buf + strlen(buf); | |
104 | end_tmp = strchr(start, '\n'); | |
105 | if (end_tmp != NULL) | |
106 | end = end_tmp; | |
107 | out = 1; | |
108 | } | |
109 | if ((end - start)) { | |
110 | memset(num, 0, 5); | |
111 | if ((end - start) > 4) | |
112 | return -EINVAL; | |
113 | memcpy(num, start, end - start); | |
114 | if (!qeth_l3_isxdigit(num)) | |
115 | return -EINVAL; | |
116 | sscanf(start, "%x", &num2); | |
117 | if (found) | |
118 | in_tmp[save_cnt++] = num2; | |
119 | else | |
120 | in[cnt++] = num2; | |
121 | if (out) | |
122 | break; | |
123 | } else { | |
124 | if (found) | |
125 | return -EINVAL; | |
126 | found = 1; | |
127 | } | |
128 | start = ++end; | |
129 | } | |
130 | if (cnt + save_cnt > 8) | |
131 | return -EINVAL; | |
132 | cnt = 7; | |
133 | while (save_cnt) | |
134 | in[cnt--] = in_tmp[--save_cnt]; | |
135 | return 0; | |
136 | } | |
137 | ||
138 | void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, | |
139 | char *buf) | |
140 | { | |
141 | if (proto == QETH_PROT_IPV4) | |
142 | qeth_l3_ipaddr4_to_string(addr, buf); | |
143 | else if (proto == QETH_PROT_IPV6) | |
144 | qeth_l3_ipaddr6_to_string(addr, buf); | |
145 | } | |
146 | ||
147 | int qeth_l3_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, | |
148 | __u8 *addr) | |
149 | { | |
150 | if (proto == QETH_PROT_IPV4) | |
151 | return qeth_l3_string_to_ipaddr4(buf, addr); | |
152 | else if (proto == QETH_PROT_IPV6) | |
153 | return qeth_l3_string_to_ipaddr6(buf, addr); | |
154 | else | |
155 | return -EINVAL; | |
156 | } | |
157 | ||
158 | static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) | |
159 | { | |
160 | int i, j; | |
161 | u8 octet; | |
162 | ||
163 | for (i = 0; i < len; ++i) { | |
164 | octet = addr[i]; | |
165 | for (j = 7; j >= 0; --j) { | |
166 | bits[i*8 + j] = octet & 1; | |
167 | octet >>= 1; | |
168 | } | |
169 | } | |
170 | } | |
171 | ||
6298263a | 172 | int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, |
4a71df50 FB |
173 | struct qeth_ipaddr *addr) |
174 | { | |
175 | struct qeth_ipato_entry *ipatoe; | |
176 | u8 addr_bits[128] = {0, }; | |
177 | u8 ipatoe_bits[128] = {0, }; | |
178 | int rc = 0; | |
179 | ||
180 | if (!card->ipato.enabled) | |
181 | return 0; | |
182 | ||
183 | qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
184 | (addr->proto == QETH_PROT_IPV4)? 4:16); | |
185 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
186 | if (addr->proto != ipatoe->proto) | |
187 | continue; | |
188 | qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
189 | (ipatoe->proto == QETH_PROT_IPV4) ? | |
190 | 4 : 16); | |
191 | if (addr->proto == QETH_PROT_IPV4) | |
192 | rc = !memcmp(addr_bits, ipatoe_bits, | |
193 | min(32, ipatoe->mask_bits)); | |
194 | else | |
195 | rc = !memcmp(addr_bits, ipatoe_bits, | |
196 | min(128, ipatoe->mask_bits)); | |
197 | if (rc) | |
198 | break; | |
199 | } | |
200 | /* invert? */ | |
201 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
202 | rc = !rc; | |
203 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
204 | rc = !rc; | |
205 | ||
206 | return rc; | |
207 | } | |
208 | ||
209 | /* | |
210 | * Add IP to be added to todo list. If there is already an "add todo" | |
211 | * in this list we just incremenent the reference count. | |
212 | * Returns 0 if we just incremented reference count. | |
213 | */ | |
214 | static int __qeth_l3_insert_ip_todo(struct qeth_card *card, | |
215 | struct qeth_ipaddr *addr, int add) | |
216 | { | |
217 | struct qeth_ipaddr *tmp, *t; | |
218 | int found = 0; | |
219 | ||
76b11f8e UB |
220 | if (card->options.sniffer) |
221 | return 0; | |
4a71df50 FB |
222 | list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { |
223 | if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && | |
224 | (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) | |
225 | return 0; | |
226 | if ((tmp->proto == QETH_PROT_IPV4) && | |
227 | (addr->proto == QETH_PROT_IPV4) && | |
228 | (tmp->type == addr->type) && | |
229 | (tmp->is_multicast == addr->is_multicast) && | |
230 | (tmp->u.a4.addr == addr->u.a4.addr) && | |
231 | (tmp->u.a4.mask == addr->u.a4.mask)) { | |
232 | found = 1; | |
233 | break; | |
234 | } | |
235 | if ((tmp->proto == QETH_PROT_IPV6) && | |
236 | (addr->proto == QETH_PROT_IPV6) && | |
237 | (tmp->type == addr->type) && | |
238 | (tmp->is_multicast == addr->is_multicast) && | |
239 | (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && | |
240 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
241 | sizeof(struct in6_addr)) == 0)) { | |
242 | found = 1; | |
243 | break; | |
244 | } | |
245 | } | |
246 | if (found) { | |
247 | if (addr->users != 0) | |
248 | tmp->users += addr->users; | |
249 | else | |
250 | tmp->users += add ? 1 : -1; | |
251 | if (tmp->users == 0) { | |
252 | list_del(&tmp->entry); | |
253 | kfree(tmp); | |
254 | } | |
255 | return 0; | |
256 | } else { | |
257 | if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) | |
258 | list_add(&addr->entry, card->ip_tbd_list); | |
259 | else { | |
260 | if (addr->users == 0) | |
261 | addr->users += add ? 1 : -1; | |
262 | if (add && (addr->type == QETH_IP_TYPE_NORMAL) && | |
263 | qeth_l3_is_addr_covered_by_ipato(card, addr)) { | |
847a50fd | 264 | QETH_CARD_TEXT(card, 2, "tkovaddr"); |
4a71df50 FB |
265 | addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; |
266 | } | |
267 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
268 | } | |
269 | return 1; | |
270 | } | |
271 | } | |
272 | ||
b3332930 | 273 | int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) |
4a71df50 FB |
274 | { |
275 | unsigned long flags; | |
276 | int rc = 0; | |
277 | ||
847a50fd | 278 | QETH_CARD_TEXT(card, 4, "delip"); |
4a71df50 FB |
279 | |
280 | if (addr->proto == QETH_PROT_IPV4) | |
847a50fd | 281 | QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4); |
4a71df50 | 282 | else { |
847a50fd CO |
283 | QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8); |
284 | QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 FB |
285 | } |
286 | spin_lock_irqsave(&card->ip_lock, flags); | |
287 | rc = __qeth_l3_insert_ip_todo(card, addr, 0); | |
288 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
289 | return rc; | |
290 | } | |
291 | ||
b3332930 | 292 | int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) |
4a71df50 FB |
293 | { |
294 | unsigned long flags; | |
295 | int rc = 0; | |
296 | ||
847a50fd | 297 | QETH_CARD_TEXT(card, 4, "addip"); |
4a71df50 | 298 | if (addr->proto == QETH_PROT_IPV4) |
847a50fd | 299 | QETH_CARD_HEX(card, 4, &addr->u.a4.addr, 4); |
4a71df50 | 300 | else { |
847a50fd CO |
301 | QETH_CARD_HEX(card, 4, &addr->u.a6.addr, 8); |
302 | QETH_CARD_HEX(card, 4, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 FB |
303 | } |
304 | spin_lock_irqsave(&card->ip_lock, flags); | |
305 | rc = __qeth_l3_insert_ip_todo(card, addr, 1); | |
306 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
307 | return rc; | |
308 | } | |
309 | ||
310 | ||
b3332930 | 311 | struct qeth_ipaddr *qeth_l3_get_addr_buffer( |
4a71df50 FB |
312 | enum qeth_prot_versions prot) |
313 | { | |
314 | struct qeth_ipaddr *addr; | |
315 | ||
316 | addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); | |
317 | if (addr == NULL) { | |
4a71df50 FB |
318 | return NULL; |
319 | } | |
320 | addr->type = QETH_IP_TYPE_NORMAL; | |
321 | addr->proto = prot; | |
322 | return addr; | |
323 | } | |
324 | ||
325 | static void qeth_l3_delete_mc_addresses(struct qeth_card *card) | |
326 | { | |
327 | struct qeth_ipaddr *iptodo; | |
328 | unsigned long flags; | |
329 | ||
847a50fd | 330 | QETH_CARD_TEXT(card, 4, "delmc"); |
4a71df50 FB |
331 | iptodo = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
332 | if (!iptodo) { | |
847a50fd | 333 | QETH_CARD_TEXT(card, 2, "dmcnomem"); |
4a71df50 FB |
334 | return; |
335 | } | |
336 | iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; | |
337 | spin_lock_irqsave(&card->ip_lock, flags); | |
338 | if (!__qeth_l3_insert_ip_todo(card, iptodo, 0)) | |
339 | kfree(iptodo); | |
340 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
341 | } | |
342 | ||
343 | /* | |
344 | * Add/remove address to/from card's ip list, i.e. try to add or remove | |
345 | * reference to/from an IP address that is already registered on the card. | |
346 | * Returns: | |
347 | * 0 address was on card and its reference count has been adjusted, | |
348 | * but is still > 0, so nothing has to be done | |
349 | * also returns 0 if card was not on card and the todo was to delete | |
350 | * the address -> there is also nothing to be done | |
351 | * 1 address was not on card and the todo is to add it to the card's ip | |
352 | * list | |
353 | * -1 address was on card and its reference count has been decremented | |
354 | * to <= 0 by the todo -> address must be removed from card | |
355 | */ | |
356 | static int __qeth_l3_ref_ip_on_card(struct qeth_card *card, | |
357 | struct qeth_ipaddr *todo, struct qeth_ipaddr **__addr) | |
358 | { | |
359 | struct qeth_ipaddr *addr; | |
360 | int found = 0; | |
361 | ||
362 | list_for_each_entry(addr, &card->ip_list, entry) { | |
363 | if ((addr->proto == QETH_PROT_IPV4) && | |
364 | (todo->proto == QETH_PROT_IPV4) && | |
365 | (addr->type == todo->type) && | |
366 | (addr->u.a4.addr == todo->u.a4.addr) && | |
367 | (addr->u.a4.mask == todo->u.a4.mask)) { | |
368 | found = 1; | |
369 | break; | |
370 | } | |
371 | if ((addr->proto == QETH_PROT_IPV6) && | |
372 | (todo->proto == QETH_PROT_IPV6) && | |
373 | (addr->type == todo->type) && | |
374 | (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && | |
375 | (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, | |
376 | sizeof(struct in6_addr)) == 0)) { | |
377 | found = 1; | |
378 | break; | |
379 | } | |
380 | } | |
381 | if (found) { | |
382 | addr->users += todo->users; | |
383 | if (addr->users <= 0) { | |
384 | *__addr = addr; | |
385 | return -1; | |
386 | } else { | |
387 | /* for VIPA and RXIP limit refcount to 1 */ | |
388 | if (addr->type != QETH_IP_TYPE_NORMAL) | |
389 | addr->users = 1; | |
390 | return 0; | |
391 | } | |
392 | } | |
393 | if (todo->users > 0) { | |
394 | /* for VIPA and RXIP limit refcount to 1 */ | |
395 | if (todo->type != QETH_IP_TYPE_NORMAL) | |
396 | todo->users = 1; | |
397 | return 1; | |
398 | } else | |
399 | return 0; | |
400 | } | |
401 | ||
402 | static void __qeth_l3_delete_all_mc(struct qeth_card *card, | |
403 | unsigned long *flags) | |
404 | { | |
2d921c32 | 405 | struct list_head fail_list; |
4a71df50 FB |
406 | struct qeth_ipaddr *addr, *tmp; |
407 | int rc; | |
2d921c32 UB |
408 | |
409 | INIT_LIST_HEAD(&fail_list); | |
4a71df50 FB |
410 | again: |
411 | list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { | |
412 | if (addr->is_multicast) { | |
413 | list_del(&addr->entry); | |
414 | spin_unlock_irqrestore(&card->ip_lock, *flags); | |
415 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
416 | spin_lock_irqsave(&card->ip_lock, *flags); | |
2d921c32 | 417 | if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND)) |
4a71df50 | 418 | kfree(addr); |
2d921c32 UB |
419 | else |
420 | list_add_tail(&addr->entry, &fail_list); | |
421 | goto again; | |
4a71df50 FB |
422 | } |
423 | } | |
2d921c32 | 424 | list_splice(&fail_list, &card->ip_list); |
4a71df50 FB |
425 | } |
426 | ||
b3332930 | 427 | void qeth_l3_set_ip_addr_list(struct qeth_card *card) |
4a71df50 FB |
428 | { |
429 | struct list_head *tbd_list; | |
430 | struct qeth_ipaddr *todo, *addr; | |
431 | unsigned long flags; | |
432 | int rc; | |
433 | ||
847a50fd CO |
434 | QETH_CARD_TEXT(card, 2, "sdiplist"); |
435 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 | 436 | |
f154b79c EL |
437 | if ((card->state != CARD_STATE_UP && |
438 | card->state != CARD_STATE_SOFTSETUP) || card->options.sniffer) { | |
76b11f8e | 439 | return; |
f154b79c EL |
440 | } |
441 | ||
4a71df50 FB |
442 | spin_lock_irqsave(&card->ip_lock, flags); |
443 | tbd_list = card->ip_tbd_list; | |
b3332930 | 444 | card->ip_tbd_list = kzalloc(sizeof(struct list_head), GFP_ATOMIC); |
4a71df50 | 445 | if (!card->ip_tbd_list) { |
847a50fd | 446 | QETH_CARD_TEXT(card, 0, "silnomem"); |
4a71df50 FB |
447 | card->ip_tbd_list = tbd_list; |
448 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
449 | return; | |
450 | } else | |
451 | INIT_LIST_HEAD(card->ip_tbd_list); | |
452 | ||
453 | while (!list_empty(tbd_list)) { | |
454 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); | |
455 | list_del(&todo->entry); | |
456 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC) { | |
457 | __qeth_l3_delete_all_mc(card, &flags); | |
458 | kfree(todo); | |
459 | continue; | |
460 | } | |
461 | rc = __qeth_l3_ref_ip_on_card(card, todo, &addr); | |
462 | if (rc == 0) { | |
463 | /* nothing to be done; only adjusted refcount */ | |
464 | kfree(todo); | |
465 | } else if (rc == 1) { | |
466 | /* new entry to be added to on-card list */ | |
467 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
468 | rc = qeth_l3_register_addr_entry(card, todo); | |
469 | spin_lock_irqsave(&card->ip_lock, flags); | |
3caa4af8 | 470 | if (!rc || (rc == IPA_RC_LAN_OFFLINE)) |
4a71df50 FB |
471 | list_add_tail(&todo->entry, &card->ip_list); |
472 | else | |
473 | kfree(todo); | |
474 | } else if (rc == -1) { | |
475 | /* on-card entry to be removed */ | |
476 | list_del_init(&addr->entry); | |
477 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
478 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
479 | spin_lock_irqsave(&card->ip_lock, flags); | |
76b11f8e | 480 | if (!rc || (rc == IPA_RC_IP_ADDRESS_NOT_DEFINED)) |
4a71df50 FB |
481 | kfree(addr); |
482 | else | |
483 | list_add_tail(&addr->entry, &card->ip_list); | |
484 | kfree(todo); | |
485 | } | |
486 | } | |
487 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
488 | kfree(tbd_list); | |
489 | } | |
490 | ||
70919e23 | 491 | static void qeth_l3_clear_ip_list(struct qeth_card *card, int recover) |
4a71df50 FB |
492 | { |
493 | struct qeth_ipaddr *addr, *tmp; | |
494 | unsigned long flags; | |
495 | ||
847a50fd | 496 | QETH_CARD_TEXT(card, 4, "clearip"); |
76b11f8e UB |
497 | if (recover && card->options.sniffer) |
498 | return; | |
4a71df50 FB |
499 | spin_lock_irqsave(&card->ip_lock, flags); |
500 | /* clear todo list */ | |
501 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) { | |
502 | list_del(&addr->entry); | |
503 | kfree(addr); | |
504 | } | |
505 | ||
506 | while (!list_empty(&card->ip_list)) { | |
507 | addr = list_entry(card->ip_list.next, | |
508 | struct qeth_ipaddr, entry); | |
509 | list_del_init(&addr->entry); | |
4a71df50 FB |
510 | if (!recover || addr->is_multicast) { |
511 | kfree(addr); | |
512 | continue; | |
513 | } | |
514 | list_add_tail(&addr->entry, card->ip_tbd_list); | |
515 | } | |
516 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
517 | } | |
518 | ||
519 | static int qeth_l3_address_exists_in_list(struct list_head *list, | |
520 | struct qeth_ipaddr *addr, int same_type) | |
521 | { | |
522 | struct qeth_ipaddr *tmp; | |
523 | ||
524 | list_for_each_entry(tmp, list, entry) { | |
525 | if ((tmp->proto == QETH_PROT_IPV4) && | |
526 | (addr->proto == QETH_PROT_IPV4) && | |
527 | ((same_type && (tmp->type == addr->type)) || | |
528 | (!same_type && (tmp->type != addr->type))) && | |
529 | (tmp->u.a4.addr == addr->u.a4.addr)) | |
530 | return 1; | |
531 | ||
532 | if ((tmp->proto == QETH_PROT_IPV6) && | |
533 | (addr->proto == QETH_PROT_IPV6) && | |
534 | ((same_type && (tmp->type == addr->type)) || | |
535 | (!same_type && (tmp->type != addr->type))) && | |
536 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, | |
537 | sizeof(struct in6_addr)) == 0)) | |
538 | return 1; | |
539 | ||
540 | } | |
541 | return 0; | |
542 | } | |
543 | ||
544 | static int qeth_l3_send_setdelmc(struct qeth_card *card, | |
545 | struct qeth_ipaddr *addr, int ipacmd) | |
546 | { | |
547 | int rc; | |
548 | struct qeth_cmd_buffer *iob; | |
549 | struct qeth_ipa_cmd *cmd; | |
550 | ||
847a50fd | 551 | QETH_CARD_TEXT(card, 4, "setdelmc"); |
4a71df50 FB |
552 | |
553 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
554 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
555 | memcpy(&cmd->data.setdelipm.mac, addr->mac, OSA_ADDR_LEN); | |
556 | if (addr->proto == QETH_PROT_IPV6) | |
557 | memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, | |
558 | sizeof(struct in6_addr)); | |
559 | else | |
560 | memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr, 4); | |
561 | ||
562 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
563 | ||
564 | return rc; | |
565 | } | |
566 | ||
567 | static void qeth_l3_fill_netmask(u8 *netmask, unsigned int len) | |
568 | { | |
569 | int i, j; | |
570 | for (i = 0; i < 16; i++) { | |
571 | j = (len) - (i * 8); | |
572 | if (j >= 8) | |
573 | netmask[i] = 0xff; | |
574 | else if (j > 0) | |
575 | netmask[i] = (u8)(0xFF00 >> j); | |
576 | else | |
577 | netmask[i] = 0; | |
578 | } | |
579 | } | |
580 | ||
581 | static int qeth_l3_send_setdelip(struct qeth_card *card, | |
582 | struct qeth_ipaddr *addr, int ipacmd, unsigned int flags) | |
583 | { | |
584 | int rc; | |
585 | struct qeth_cmd_buffer *iob; | |
586 | struct qeth_ipa_cmd *cmd; | |
587 | __u8 netmask[16]; | |
588 | ||
847a50fd CO |
589 | QETH_CARD_TEXT(card, 4, "setdelip"); |
590 | QETH_CARD_TEXT_(card, 4, "flags%02X", flags); | |
4a71df50 FB |
591 | |
592 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
593 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
594 | if (addr->proto == QETH_PROT_IPV6) { | |
595 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, | |
596 | sizeof(struct in6_addr)); | |
597 | qeth_l3_fill_netmask(netmask, addr->u.a6.pfxlen); | |
598 | memcpy(cmd->data.setdelip6.mask, netmask, | |
599 | sizeof(struct in6_addr)); | |
600 | cmd->data.setdelip6.flags = flags; | |
601 | } else { | |
602 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); | |
603 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); | |
604 | cmd->data.setdelip4.flags = flags; | |
605 | } | |
606 | ||
607 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
608 | ||
609 | return rc; | |
610 | } | |
611 | ||
612 | static int qeth_l3_send_setrouting(struct qeth_card *card, | |
613 | enum qeth_routing_types type, enum qeth_prot_versions prot) | |
614 | { | |
615 | int rc; | |
616 | struct qeth_ipa_cmd *cmd; | |
617 | struct qeth_cmd_buffer *iob; | |
618 | ||
847a50fd | 619 | QETH_CARD_TEXT(card, 4, "setroutg"); |
4a71df50 FB |
620 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); |
621 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
622 | cmd->data.setrtg.type = (type); | |
623 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
624 | ||
625 | return rc; | |
626 | } | |
627 | ||
628 | static void qeth_l3_correct_routing_type(struct qeth_card *card, | |
629 | enum qeth_routing_types *type, enum qeth_prot_versions prot) | |
630 | { | |
631 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
632 | switch (*type) { | |
633 | case NO_ROUTER: | |
634 | case PRIMARY_CONNECTOR: | |
635 | case SECONDARY_CONNECTOR: | |
636 | case MULTICAST_ROUTER: | |
637 | return; | |
638 | default: | |
639 | goto out_inval; | |
640 | } | |
641 | } else { | |
642 | switch (*type) { | |
643 | case NO_ROUTER: | |
644 | case PRIMARY_ROUTER: | |
645 | case SECONDARY_ROUTER: | |
646 | return; | |
647 | case MULTICAST_ROUTER: | |
648 | if (qeth_is_ipafunc_supported(card, prot, | |
649 | IPA_OSA_MC_ROUTER)) | |
650 | return; | |
651 | default: | |
652 | goto out_inval; | |
653 | } | |
654 | } | |
655 | out_inval: | |
4a71df50 FB |
656 | *type = NO_ROUTER; |
657 | } | |
658 | ||
659 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
660 | { | |
661 | int rc; | |
662 | ||
847a50fd | 663 | QETH_CARD_TEXT(card, 3, "setrtg4"); |
4a71df50 FB |
664 | |
665 | qeth_l3_correct_routing_type(card, &card->options.route4.type, | |
666 | QETH_PROT_IPV4); | |
667 | ||
668 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
669 | QETH_PROT_IPV4); | |
670 | if (rc) { | |
671 | card->options.route4.type = NO_ROUTER; | |
14cc21b6 FB |
672 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
673 | " on %s. Type set to 'no router'.\n", rc, | |
674 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
675 | } |
676 | return rc; | |
677 | } | |
678 | ||
679 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
680 | { | |
681 | int rc = 0; | |
682 | ||
847a50fd | 683 | QETH_CARD_TEXT(card, 3, "setrtg6"); |
4a71df50 FB |
684 | #ifdef CONFIG_QETH_IPV6 |
685 | ||
686 | if (!qeth_is_supported(card, IPA_IPV6)) | |
687 | return 0; | |
688 | qeth_l3_correct_routing_type(card, &card->options.route6.type, | |
689 | QETH_PROT_IPV6); | |
690 | ||
691 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
692 | QETH_PROT_IPV6); | |
693 | if (rc) { | |
694 | card->options.route6.type = NO_ROUTER; | |
14cc21b6 FB |
695 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
696 | " on %s. Type set to 'no router'.\n", rc, | |
697 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
698 | } |
699 | #endif | |
700 | return rc; | |
701 | } | |
702 | ||
703 | /* | |
704 | * IP address takeover related functions | |
705 | */ | |
706 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) | |
707 | { | |
708 | ||
709 | struct qeth_ipato_entry *ipatoe, *tmp; | |
710 | unsigned long flags; | |
711 | ||
712 | spin_lock_irqsave(&card->ip_lock, flags); | |
713 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
714 | list_del(&ipatoe->entry); | |
715 | kfree(ipatoe); | |
716 | } | |
717 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
718 | } | |
719 | ||
720 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
721 | struct qeth_ipato_entry *new) | |
722 | { | |
723 | struct qeth_ipato_entry *ipatoe; | |
724 | unsigned long flags; | |
725 | int rc = 0; | |
726 | ||
847a50fd | 727 | QETH_CARD_TEXT(card, 2, "addipato"); |
4a71df50 FB |
728 | spin_lock_irqsave(&card->ip_lock, flags); |
729 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
730 | if (ipatoe->proto != new->proto) | |
731 | continue; | |
732 | if (!memcmp(ipatoe->addr, new->addr, | |
733 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
734 | (ipatoe->mask_bits == new->mask_bits)) { | |
4a71df50 FB |
735 | rc = -EEXIST; |
736 | break; | |
737 | } | |
738 | } | |
739 | if (!rc) | |
740 | list_add_tail(&new->entry, &card->ipato.entries); | |
741 | ||
742 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
743 | return rc; | |
744 | } | |
745 | ||
746 | void qeth_l3_del_ipato_entry(struct qeth_card *card, | |
747 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) | |
748 | { | |
749 | struct qeth_ipato_entry *ipatoe, *tmp; | |
750 | unsigned long flags; | |
751 | ||
847a50fd | 752 | QETH_CARD_TEXT(card, 2, "delipato"); |
4a71df50 FB |
753 | spin_lock_irqsave(&card->ip_lock, flags); |
754 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { | |
755 | if (ipatoe->proto != proto) | |
756 | continue; | |
757 | if (!memcmp(ipatoe->addr, addr, | |
758 | (proto == QETH_PROT_IPV4)? 4:16) && | |
759 | (ipatoe->mask_bits == mask_bits)) { | |
760 | list_del(&ipatoe->entry); | |
761 | kfree(ipatoe); | |
762 | } | |
763 | } | |
764 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
765 | } | |
766 | ||
767 | /* | |
768 | * VIPA related functions | |
769 | */ | |
770 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
771 | const u8 *addr) | |
772 | { | |
773 | struct qeth_ipaddr *ipaddr; | |
774 | unsigned long flags; | |
775 | int rc = 0; | |
776 | ||
777 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
778 | if (ipaddr) { | |
779 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 780 | QETH_CARD_TEXT(card, 2, "addvipa4"); |
4a71df50 FB |
781 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
782 | ipaddr->u.a4.mask = 0; | |
783 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 784 | QETH_CARD_TEXT(card, 2, "addvipa6"); |
4a71df50 FB |
785 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
786 | ipaddr->u.a6.pfxlen = 0; | |
787 | } | |
788 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
789 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
790 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
791 | } else | |
792 | return -ENOMEM; | |
793 | spin_lock_irqsave(&card->ip_lock, flags); | |
794 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
795 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
796 | rc = -EEXIST; | |
797 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
798 | if (rc) { | |
4a71df50 FB |
799 | return rc; |
800 | } | |
801 | if (!qeth_l3_add_ip(card, ipaddr)) | |
802 | kfree(ipaddr); | |
803 | qeth_l3_set_ip_addr_list(card); | |
804 | return rc; | |
805 | } | |
806 | ||
807 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
808 | const u8 *addr) | |
809 | { | |
810 | struct qeth_ipaddr *ipaddr; | |
811 | ||
812 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
813 | if (ipaddr) { | |
814 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 815 | QETH_CARD_TEXT(card, 2, "delvipa4"); |
4a71df50 FB |
816 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
817 | ipaddr->u.a4.mask = 0; | |
818 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 819 | QETH_CARD_TEXT(card, 2, "delvipa6"); |
4a71df50 FB |
820 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
821 | ipaddr->u.a6.pfxlen = 0; | |
822 | } | |
823 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
824 | } else | |
825 | return; | |
826 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
827 | kfree(ipaddr); | |
828 | qeth_l3_set_ip_addr_list(card); | |
829 | } | |
830 | ||
831 | /* | |
832 | * proxy ARP related functions | |
833 | */ | |
834 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
835 | const u8 *addr) | |
836 | { | |
837 | struct qeth_ipaddr *ipaddr; | |
838 | unsigned long flags; | |
839 | int rc = 0; | |
840 | ||
841 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
842 | if (ipaddr) { | |
843 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 844 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
845 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
846 | ipaddr->u.a4.mask = 0; | |
847 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 848 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
849 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
850 | ipaddr->u.a6.pfxlen = 0; | |
851 | } | |
852 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
853 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
854 | ipaddr->del_flags = 0; | |
855 | } else | |
856 | return -ENOMEM; | |
857 | spin_lock_irqsave(&card->ip_lock, flags); | |
858 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || | |
859 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) | |
860 | rc = -EEXIST; | |
861 | spin_unlock_irqrestore(&card->ip_lock, flags); | |
862 | if (rc) { | |
4a71df50 FB |
863 | return rc; |
864 | } | |
865 | if (!qeth_l3_add_ip(card, ipaddr)) | |
866 | kfree(ipaddr); | |
867 | qeth_l3_set_ip_addr_list(card); | |
868 | return 0; | |
869 | } | |
870 | ||
871 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
872 | const u8 *addr) | |
873 | { | |
874 | struct qeth_ipaddr *ipaddr; | |
875 | ||
876 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
877 | if (ipaddr) { | |
878 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 879 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
880 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
881 | ipaddr->u.a4.mask = 0; | |
882 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 883 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
884 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
885 | ipaddr->u.a6.pfxlen = 0; | |
886 | } | |
887 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
888 | } else | |
889 | return; | |
890 | if (!qeth_l3_delete_ip(card, ipaddr)) | |
891 | kfree(ipaddr); | |
892 | qeth_l3_set_ip_addr_list(card); | |
893 | } | |
894 | ||
895 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
896 | struct qeth_ipaddr *addr) | |
897 | { | |
898 | char buf[50]; | |
899 | int rc = 0; | |
900 | int cnt = 3; | |
901 | ||
902 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
903 | QETH_CARD_TEXT(card, 2, "setaddr4"); |
904 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 905 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
906 | QETH_CARD_TEXT(card, 2, "setaddr6"); |
907 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
908 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 909 | } else { |
847a50fd CO |
910 | QETH_CARD_TEXT(card, 2, "setaddr?"); |
911 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
912 | } |
913 | do { | |
914 | if (addr->is_multicast) | |
915 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
916 | else | |
917 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, | |
918 | addr->set_flags); | |
919 | if (rc) | |
847a50fd | 920 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
921 | } while ((--cnt > 0) && rc); |
922 | if (rc) { | |
847a50fd | 923 | QETH_CARD_TEXT(card, 2, "FAILED"); |
4a71df50 | 924 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
74eacdb9 FB |
925 | dev_warn(&card->gdev->dev, |
926 | "Registering IP address %s failed\n", buf); | |
4a71df50 FB |
927 | } |
928 | return rc; | |
929 | } | |
930 | ||
931 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
932 | struct qeth_ipaddr *addr) | |
933 | { | |
934 | int rc = 0; | |
935 | ||
936 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
937 | QETH_CARD_TEXT(card, 2, "deladdr4"); |
938 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 939 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
940 | QETH_CARD_TEXT(card, 2, "deladdr6"); |
941 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
942 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 943 | } else { |
847a50fd CO |
944 | QETH_CARD_TEXT(card, 2, "deladdr?"); |
945 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
946 | } |
947 | if (addr->is_multicast) | |
948 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
949 | else | |
950 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, | |
951 | addr->del_flags); | |
c4cef07c | 952 | if (rc) |
847a50fd | 953 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
954 | |
955 | return rc; | |
956 | } | |
957 | ||
958 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) | |
959 | { | |
960 | if (cast_type == RTN_MULTICAST) | |
961 | return QETH_CAST_MULTICAST; | |
962 | if (cast_type == RTN_BROADCAST) | |
963 | return QETH_CAST_BROADCAST; | |
964 | return QETH_CAST_UNICAST; | |
965 | } | |
966 | ||
967 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) | |
968 | { | |
969 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
970 | if (cast_type == RTN_MULTICAST) | |
971 | return ct | QETH_CAST_MULTICAST; | |
972 | if (cast_type == RTN_ANYCAST) | |
973 | return ct | QETH_CAST_ANYCAST; | |
974 | if (cast_type == RTN_BROADCAST) | |
975 | return ct | QETH_CAST_BROADCAST; | |
976 | return ct | QETH_CAST_UNICAST; | |
977 | } | |
978 | ||
979 | static int qeth_l3_send_setadp_mode(struct qeth_card *card, __u32 command, | |
980 | __u32 mode) | |
981 | { | |
982 | int rc; | |
983 | struct qeth_cmd_buffer *iob; | |
984 | struct qeth_ipa_cmd *cmd; | |
985 | ||
847a50fd | 986 | QETH_CARD_TEXT(card, 4, "adpmode"); |
4a71df50 FB |
987 | |
988 | iob = qeth_get_adapter_cmd(card, command, | |
989 | sizeof(struct qeth_ipacmd_setadpparms)); | |
990 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
991 | cmd->data.setadapterparms.data.mode = mode; | |
992 | rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, | |
993 | NULL); | |
994 | return rc; | |
995 | } | |
996 | ||
997 | static int qeth_l3_setadapter_hstr(struct qeth_card *card) | |
998 | { | |
999 | int rc; | |
1000 | ||
847a50fd | 1001 | QETH_CARD_TEXT(card, 4, "adphstr"); |
4a71df50 FB |
1002 | |
1003 | if (qeth_adp_supported(card, IPA_SETADP_SET_BROADCAST_MODE)) { | |
1004 | rc = qeth_l3_send_setadp_mode(card, | |
1005 | IPA_SETADP_SET_BROADCAST_MODE, | |
1006 | card->options.broadcast_mode); | |
1007 | if (rc) | |
14cc21b6 | 1008 | QETH_DBF_MESSAGE(2, "couldn't set broadcast mode on " |
4a71df50 FB |
1009 | "device %s: x%x\n", |
1010 | CARD_BUS_ID(card), rc); | |
1011 | rc = qeth_l3_send_setadp_mode(card, | |
1012 | IPA_SETADP_ALTER_MAC_ADDRESS, | |
1013 | card->options.macaddr_mode); | |
1014 | if (rc) | |
14cc21b6 | 1015 | QETH_DBF_MESSAGE(2, "couldn't set macaddr mode on " |
4a71df50 FB |
1016 | "device %s: x%x\n", CARD_BUS_ID(card), rc); |
1017 | return rc; | |
1018 | } | |
1019 | if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) | |
14cc21b6 | 1020 | QETH_DBF_MESSAGE(2, "set adapter parameters not available " |
4a71df50 FB |
1021 | "to set broadcast mode, using ALLRINGS " |
1022 | "on device %s:\n", CARD_BUS_ID(card)); | |
1023 | if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) | |
14cc21b6 | 1024 | QETH_DBF_MESSAGE(2, "set adapter parameters not available " |
4a71df50 FB |
1025 | "to set macaddr mode, using NONCANONICAL " |
1026 | "on device %s:\n", CARD_BUS_ID(card)); | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | static int qeth_l3_setadapter_parms(struct qeth_card *card) | |
1031 | { | |
1032 | int rc; | |
1033 | ||
d11ba0c4 | 1034 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
4a71df50 FB |
1035 | |
1036 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { | |
74eacdb9 FB |
1037 | dev_info(&card->gdev->dev, |
1038 | "set adapter parameters not supported.\n"); | |
d11ba0c4 | 1039 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
4a71df50 FB |
1040 | return 0; |
1041 | } | |
1042 | rc = qeth_query_setadapterparms(card); | |
1043 | if (rc) { | |
74eacdb9 | 1044 | QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: " |
7f6d95e7 | 1045 | "0x%x\n", dev_name(&card->gdev->dev), rc); |
4a71df50 FB |
1046 | return rc; |
1047 | } | |
1048 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
1049 | rc = qeth_setadpparms_change_macaddr(card); | |
1050 | if (rc) | |
74eacdb9 | 1051 | dev_warn(&card->gdev->dev, "Reading the adapter MAC" |
6ea2fde1 | 1052 | " address failed\n"); |
4a71df50 FB |
1053 | } |
1054 | ||
1055 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || | |
1056 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) | |
1057 | rc = qeth_l3_setadapter_hstr(card); | |
1058 | ||
1059 | return rc; | |
1060 | } | |
1061 | ||
1062 | static int qeth_l3_default_setassparms_cb(struct qeth_card *card, | |
1063 | struct qeth_reply *reply, unsigned long data) | |
1064 | { | |
1065 | struct qeth_ipa_cmd *cmd; | |
1066 | ||
847a50fd | 1067 | QETH_CARD_TEXT(card, 4, "defadpcb"); |
4a71df50 FB |
1068 | |
1069 | cmd = (struct qeth_ipa_cmd *) data; | |
1070 | if (cmd->hdr.return_code == 0) { | |
1071 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
1072 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) | |
1073 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; | |
1074 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) | |
1075 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; | |
1076 | } | |
1077 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && | |
1078 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1079 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1080 | QETH_CARD_TEXT_(card, 3, "csum:%d", card->info.csum_mask); |
4a71df50 | 1081 | } |
f6b85b6c FB |
1082 | if (cmd->data.setassparms.hdr.assist_no == IPA_OUTBOUND_CHECKSUM && |
1083 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { | |
1084 | card->info.tx_csum_mask = | |
1085 | cmd->data.setassparms.data.flags_32bit; | |
847a50fd | 1086 | QETH_CARD_TEXT_(card, 3, "tcsu:%d", card->info.tx_csum_mask); |
f6b85b6c FB |
1087 | } |
1088 | ||
4a71df50 FB |
1089 | return 0; |
1090 | } | |
1091 | ||
1092 | static struct qeth_cmd_buffer *qeth_l3_get_setassparms_cmd( | |
1093 | struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, | |
1094 | __u16 len, enum qeth_prot_versions prot) | |
1095 | { | |
1096 | struct qeth_cmd_buffer *iob; | |
1097 | struct qeth_ipa_cmd *cmd; | |
1098 | ||
847a50fd | 1099 | QETH_CARD_TEXT(card, 4, "getasscm"); |
4a71df50 FB |
1100 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETASSPARMS, prot); |
1101 | ||
1102 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1103 | cmd->data.setassparms.hdr.assist_no = ipa_func; | |
1104 | cmd->data.setassparms.hdr.length = 8 + len; | |
1105 | cmd->data.setassparms.hdr.command_code = cmd_code; | |
1106 | cmd->data.setassparms.hdr.return_code = 0; | |
1107 | cmd->data.setassparms.hdr.seq_no = 0; | |
1108 | ||
1109 | return iob; | |
1110 | } | |
1111 | ||
1112 | static int qeth_l3_send_setassparms(struct qeth_card *card, | |
1113 | struct qeth_cmd_buffer *iob, __u16 len, long data, | |
1114 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
1115 | unsigned long), | |
1116 | void *reply_param) | |
1117 | { | |
1118 | int rc; | |
1119 | struct qeth_ipa_cmd *cmd; | |
1120 | ||
847a50fd | 1121 | QETH_CARD_TEXT(card, 4, "sendassp"); |
4a71df50 FB |
1122 | |
1123 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1124 | if (len <= sizeof(__u32)) | |
1125 | cmd->data.setassparms.data.flags_32bit = (__u32) data; | |
1126 | else /* (len > sizeof(__u32)) */ | |
1127 | memcpy(&cmd->data.setassparms.data, (void *) data, len); | |
1128 | ||
1129 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); | |
1130 | return rc; | |
1131 | } | |
1132 | ||
1133 | #ifdef CONFIG_QETH_IPV6 | |
1134 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, | |
1135 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
1136 | { | |
1137 | int rc; | |
1138 | struct qeth_cmd_buffer *iob; | |
1139 | ||
847a50fd | 1140 | QETH_CARD_TEXT(card, 4, "simassp6"); |
4a71df50 FB |
1141 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, |
1142 | 0, QETH_PROT_IPV6); | |
1143 | rc = qeth_l3_send_setassparms(card, iob, 0, 0, | |
1144 | qeth_l3_default_setassparms_cb, NULL); | |
1145 | return rc; | |
1146 | } | |
1147 | #endif | |
1148 | ||
1149 | static int qeth_l3_send_simple_setassparms(struct qeth_card *card, | |
1150 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code, long data) | |
1151 | { | |
1152 | int rc; | |
1153 | int length = 0; | |
1154 | struct qeth_cmd_buffer *iob; | |
1155 | ||
847a50fd | 1156 | QETH_CARD_TEXT(card, 4, "simassp4"); |
4a71df50 FB |
1157 | if (data) |
1158 | length = sizeof(__u32); | |
1159 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, | |
1160 | length, QETH_PROT_IPV4); | |
1161 | rc = qeth_l3_send_setassparms(card, iob, length, data, | |
1162 | qeth_l3_default_setassparms_cb, NULL); | |
1163 | return rc; | |
1164 | } | |
1165 | ||
1166 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) | |
1167 | { | |
1168 | int rc; | |
1169 | ||
847a50fd | 1170 | QETH_CARD_TEXT(card, 3, "ipaarp"); |
4a71df50 FB |
1171 | |
1172 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
74eacdb9 FB |
1173 | dev_info(&card->gdev->dev, |
1174 | "ARP processing not supported on %s!\n", | |
1175 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1176 | return 0; |
1177 | } | |
1178 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
1179 | IPA_CMD_ASS_START, 0); | |
1180 | if (rc) { | |
74eacdb9 FB |
1181 | dev_warn(&card->gdev->dev, |
1182 | "Starting ARP processing support for %s failed\n", | |
1183 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1184 | } |
1185 | return rc; | |
1186 | } | |
1187 | ||
1188 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) | |
1189 | { | |
1190 | int rc; | |
1191 | ||
847a50fd | 1192 | QETH_CARD_TEXT(card, 3, "ipaipfrg"); |
4a71df50 FB |
1193 | |
1194 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
74eacdb9 FB |
1195 | dev_info(&card->gdev->dev, |
1196 | "Hardware IP fragmentation not supported on %s\n", | |
1197 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1198 | return -EOPNOTSUPP; |
1199 | } | |
1200 | ||
1201 | rc = qeth_l3_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, | |
1202 | IPA_CMD_ASS_START, 0); | |
1203 | if (rc) { | |
74eacdb9 FB |
1204 | dev_warn(&card->gdev->dev, |
1205 | "Starting IP fragmentation support for %s failed\n", | |
1206 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1207 | } else |
74eacdb9 FB |
1208 | dev_info(&card->gdev->dev, |
1209 | "Hardware IP fragmentation enabled \n"); | |
4a71df50 FB |
1210 | return rc; |
1211 | } | |
1212 | ||
1213 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) | |
1214 | { | |
1215 | int rc; | |
1216 | ||
847a50fd | 1217 | QETH_CARD_TEXT(card, 3, "stsrcmac"); |
4a71df50 | 1218 | |
4a71df50 | 1219 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
74eacdb9 | 1220 | dev_info(&card->gdev->dev, |
fe94e2e0 | 1221 | "Inbound source MAC-address not supported on %s\n", |
74eacdb9 | 1222 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1223 | return -EOPNOTSUPP; |
1224 | } | |
1225 | ||
1226 | rc = qeth_l3_send_simple_setassparms(card, IPA_SOURCE_MAC, | |
1227 | IPA_CMD_ASS_START, 0); | |
1228 | if (rc) | |
74eacdb9 | 1229 | dev_warn(&card->gdev->dev, |
fe94e2e0 | 1230 | "Starting source MAC-address support for %s failed\n", |
74eacdb9 | 1231 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1232 | return rc; |
1233 | } | |
1234 | ||
1235 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
1236 | { | |
1237 | int rc = 0; | |
1238 | ||
847a50fd | 1239 | QETH_CARD_TEXT(card, 3, "strtvlan"); |
4a71df50 FB |
1240 | |
1241 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
74eacdb9 FB |
1242 | dev_info(&card->gdev->dev, |
1243 | "VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1244 | return -EOPNOTSUPP; |
1245 | } | |
1246 | ||
1247 | rc = qeth_l3_send_simple_setassparms(card, IPA_VLAN_PRIO, | |
1248 | IPA_CMD_ASS_START, 0); | |
1249 | if (rc) { | |
74eacdb9 FB |
1250 | dev_warn(&card->gdev->dev, |
1251 | "Starting VLAN support for %s failed\n", | |
1252 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1253 | } else { |
74eacdb9 | 1254 | dev_info(&card->gdev->dev, "VLAN enabled\n"); |
4a71df50 FB |
1255 | } |
1256 | return rc; | |
1257 | } | |
1258 | ||
1259 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
1260 | { | |
1261 | int rc; | |
1262 | ||
847a50fd | 1263 | QETH_CARD_TEXT(card, 3, "stmcast"); |
4a71df50 FB |
1264 | |
1265 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
74eacdb9 FB |
1266 | dev_info(&card->gdev->dev, |
1267 | "Multicast not supported on %s\n", | |
1268 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1269 | return -EOPNOTSUPP; |
1270 | } | |
1271 | ||
1272 | rc = qeth_l3_send_simple_setassparms(card, IPA_MULTICASTING, | |
1273 | IPA_CMD_ASS_START, 0); | |
1274 | if (rc) { | |
74eacdb9 FB |
1275 | dev_warn(&card->gdev->dev, |
1276 | "Starting multicast support for %s failed\n", | |
1277 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1278 | } else { |
74eacdb9 | 1279 | dev_info(&card->gdev->dev, "Multicast enabled\n"); |
4a71df50 FB |
1280 | card->dev->flags |= IFF_MULTICAST; |
1281 | } | |
1282 | return rc; | |
1283 | } | |
1284 | ||
4a71df50 FB |
1285 | #ifdef CONFIG_QETH_IPV6 |
1286 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) | |
1287 | { | |
1288 | int rc; | |
1289 | ||
847a50fd | 1290 | QETH_CARD_TEXT(card, 3, "softipv6"); |
4a71df50 FB |
1291 | |
1292 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1293 | goto out; | |
1294 | ||
1da74b1c | 1295 | rc = qeth_query_ipassists(card, QETH_PROT_IPV6); |
4a71df50 | 1296 | if (rc) { |
74eacdb9 FB |
1297 | dev_err(&card->gdev->dev, |
1298 | "Activating IPv6 support for %s failed\n", | |
1299 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1300 | return rc; |
1301 | } | |
1302 | rc = qeth_l3_send_simple_setassparms(card, IPA_IPV6, | |
1303 | IPA_CMD_ASS_START, 3); | |
1304 | if (rc) { | |
74eacdb9 FB |
1305 | dev_err(&card->gdev->dev, |
1306 | "Activating IPv6 support for %s failed\n", | |
1307 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1308 | return rc; |
1309 | } | |
1310 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
1311 | IPA_CMD_ASS_START); | |
1312 | if (rc) { | |
74eacdb9 FB |
1313 | dev_err(&card->gdev->dev, |
1314 | "Activating IPv6 support for %s failed\n", | |
1315 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1316 | return rc; |
1317 | } | |
1318 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
1319 | IPA_CMD_ASS_START); | |
1320 | if (rc) { | |
74eacdb9 FB |
1321 | dev_warn(&card->gdev->dev, |
1322 | "Enabling the passthrough mode for %s failed\n", | |
1323 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1324 | return rc; |
1325 | } | |
1326 | out: | |
74eacdb9 | 1327 | dev_info(&card->gdev->dev, "IPV6 enabled\n"); |
4a71df50 FB |
1328 | return 0; |
1329 | } | |
1330 | #endif | |
1331 | ||
1332 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
1333 | { | |
1334 | int rc = 0; | |
1335 | ||
847a50fd | 1336 | QETH_CARD_TEXT(card, 3, "strtipv6"); |
4a71df50 FB |
1337 | |
1338 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
74eacdb9 FB |
1339 | dev_info(&card->gdev->dev, |
1340 | "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1341 | return 0; |
1342 | } | |
1343 | #ifdef CONFIG_QETH_IPV6 | |
1344 | rc = qeth_l3_softsetup_ipv6(card); | |
1345 | #endif | |
1346 | return rc ; | |
1347 | } | |
1348 | ||
1349 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
1350 | { | |
1351 | int rc; | |
1352 | ||
847a50fd | 1353 | QETH_CARD_TEXT(card, 3, "stbrdcst"); |
4a71df50 FB |
1354 | card->info.broadcast_capable = 0; |
1355 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
74eacdb9 FB |
1356 | dev_info(&card->gdev->dev, |
1357 | "Broadcast not supported on %s\n", | |
1358 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1359 | rc = -EOPNOTSUPP; |
1360 | goto out; | |
1361 | } | |
1362 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1363 | IPA_CMD_ASS_START, 0); | |
1364 | if (rc) { | |
74eacdb9 FB |
1365 | dev_warn(&card->gdev->dev, "Enabling broadcast filtering for " |
1366 | "%s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1367 | goto out; |
1368 | } | |
1369 | ||
1370 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, | |
1371 | IPA_CMD_ASS_CONFIGURE, 1); | |
1372 | if (rc) { | |
74eacdb9 FB |
1373 | dev_warn(&card->gdev->dev, |
1374 | "Setting up broadcast filtering for %s failed\n", | |
1375 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1376 | goto out; |
1377 | } | |
1378 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
74eacdb9 | 1379 | dev_info(&card->gdev->dev, "Broadcast enabled\n"); |
4a71df50 FB |
1380 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, |
1381 | IPA_CMD_ASS_ENABLE, 1); | |
1382 | if (rc) { | |
74eacdb9 FB |
1383 | dev_warn(&card->gdev->dev, "Setting up broadcast echo " |
1384 | "filtering for %s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1385 | goto out; |
1386 | } | |
1387 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
1388 | out: | |
1389 | if (card->info.broadcast_capable) | |
1390 | card->dev->flags |= IFF_BROADCAST; | |
1391 | else | |
1392 | card->dev->flags &= ~IFF_BROADCAST; | |
1393 | return rc; | |
1394 | } | |
1395 | ||
1396 | static int qeth_l3_send_checksum_command(struct qeth_card *card) | |
1397 | { | |
1398 | int rc; | |
1399 | ||
1400 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1401 | IPA_CMD_ASS_START, 0); | |
1402 | if (rc) { | |
74eacdb9 FB |
1403 | dev_warn(&card->gdev->dev, "Starting HW checksumming for %s " |
1404 | "failed, using SW checksumming\n", | |
1405 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1406 | return rc; |
1407 | } | |
1408 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, | |
1409 | IPA_CMD_ASS_ENABLE, | |
1410 | card->info.csum_mask); | |
1411 | if (rc) { | |
74eacdb9 FB |
1412 | dev_warn(&card->gdev->dev, "Enabling HW checksumming for %s " |
1413 | "failed, using SW checksumming\n", | |
1414 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1415 | return rc; |
1416 | } | |
1417 | return 0; | |
1418 | } | |
1419 | ||
c4736d96 | 1420 | static int qeth_l3_set_rx_csum(struct qeth_card *card, int on) |
3fd434d8 FB |
1421 | { |
1422 | int rc = 0; | |
1423 | ||
c5e631a8 | 1424 | if (on) { |
60a34277 FB |
1425 | rc = qeth_l3_send_checksum_command(card); |
1426 | if (rc) | |
1427 | return -EIO; | |
1428 | dev_info(&card->gdev->dev, | |
1429 | "HW Checksumming (inbound) enabled\n"); | |
3fd434d8 | 1430 | } else { |
60a34277 FB |
1431 | rc = qeth_l3_send_simple_setassparms(card, |
1432 | IPA_INBOUND_CHECKSUM, IPA_CMD_ASS_STOP, 0); | |
1433 | if (rc) | |
1434 | return -EIO; | |
3fd434d8 | 1435 | } |
c5e631a8 | 1436 | |
60a34277 | 1437 | return 0; |
3fd434d8 FB |
1438 | } |
1439 | ||
4a71df50 FB |
1440 | static int qeth_l3_start_ipa_checksum(struct qeth_card *card) |
1441 | { | |
847a50fd | 1442 | QETH_CARD_TEXT(card, 3, "strtcsum"); |
4a71df50 | 1443 | |
c5e631a8 | 1444 | if (card->dev->features & NETIF_F_RXCSUM) { |
60a34277 FB |
1445 | rtnl_lock(); |
1446 | /* force set_features call */ | |
1447 | card->dev->features &= ~NETIF_F_RXCSUM; | |
1448 | netdev_update_features(card->dev); | |
1449 | rtnl_unlock(); | |
1450 | } | |
c5e631a8 | 1451 | return 0; |
4a71df50 FB |
1452 | } |
1453 | ||
f6b85b6c FB |
1454 | static int qeth_l3_start_ipa_tx_checksum(struct qeth_card *card) |
1455 | { | |
1456 | int rc = 0; | |
1457 | ||
1458 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) | |
1459 | return rc; | |
1460 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1461 | IPA_CMD_ASS_START, 0); | |
1462 | if (rc) | |
1463 | goto err_out; | |
1464 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_CHECKSUM, | |
1465 | IPA_CMD_ASS_ENABLE, card->info.tx_csum_mask); | |
1466 | if (rc) | |
1467 | goto err_out; | |
1468 | dev_info(&card->gdev->dev, "HW TX Checksumming enabled\n"); | |
1469 | return rc; | |
1470 | err_out: | |
1471 | dev_warn(&card->gdev->dev, "Enabling HW TX checksumming for %s " | |
1472 | "failed, using SW TX checksumming\n", QETH_CARD_IFNAME(card)); | |
1473 | return rc; | |
1474 | } | |
1475 | ||
4a71df50 FB |
1476 | static int qeth_l3_start_ipa_tso(struct qeth_card *card) |
1477 | { | |
1478 | int rc; | |
1479 | ||
847a50fd | 1480 | QETH_CARD_TEXT(card, 3, "sttso"); |
4a71df50 FB |
1481 | |
1482 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { | |
74eacdb9 FB |
1483 | dev_info(&card->gdev->dev, |
1484 | "Outbound TSO not supported on %s\n", | |
1485 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1486 | rc = -EOPNOTSUPP; |
1487 | } else { | |
1488 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_TSO, | |
1489 | IPA_CMD_ASS_START, 0); | |
1490 | if (rc) | |
74eacdb9 FB |
1491 | dev_warn(&card->gdev->dev, "Starting outbound TCP " |
1492 | "segmentation offload for %s failed\n", | |
1493 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1494 | else |
74eacdb9 FB |
1495 | dev_info(&card->gdev->dev, |
1496 | "Outbound TSO enabled\n"); | |
4a71df50 | 1497 | } |
6204b47e MM |
1498 | if (rc) |
1499 | card->dev->features &= ~NETIF_F_TSO; | |
4a71df50 FB |
1500 | return rc; |
1501 | } | |
1502 | ||
1503 | static int qeth_l3_start_ipassists(struct qeth_card *card) | |
1504 | { | |
847a50fd | 1505 | QETH_CARD_TEXT(card, 3, "strtipas"); |
d64ecc22 EL |
1506 | |
1507 | qeth_set_access_ctrl_online(card); /* go on*/ | |
4a71df50 FB |
1508 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
1509 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ | |
1510 | qeth_l3_start_ipa_source_mac(card); /* go on*/ | |
1511 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
1512 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
1513 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
1514 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
1515 | qeth_l3_start_ipa_checksum(card); /* go on*/ | |
f6b85b6c | 1516 | qeth_l3_start_ipa_tx_checksum(card); |
4a71df50 FB |
1517 | qeth_l3_start_ipa_tso(card); /* go on*/ |
1518 | return 0; | |
1519 | } | |
1520 | ||
4a71df50 FB |
1521 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
1522 | struct qeth_reply *reply, unsigned long data) | |
1523 | { | |
1524 | struct qeth_ipa_cmd *cmd; | |
1525 | ||
1526 | cmd = (struct qeth_ipa_cmd *) data; | |
1527 | if (cmd->hdr.return_code == 0) | |
1528 | memcpy(card->dev->dev_addr, | |
1529 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); | |
1530 | else | |
1531 | random_ether_addr(card->dev->dev_addr); | |
1532 | ||
1533 | return 0; | |
1534 | } | |
1535 | ||
1536 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
1537 | { | |
1538 | int rc = 0; | |
1539 | struct qeth_cmd_buffer *iob; | |
1540 | struct qeth_ipa_cmd *cmd; | |
1541 | ||
d11ba0c4 | 1542 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
4a71df50 FB |
1543 | |
1544 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1545 | QETH_PROT_IPV6); | |
1546 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1547 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1548 | card->info.unique_id; | |
1549 | ||
1550 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
1551 | NULL); | |
1552 | return rc; | |
1553 | } | |
1554 | ||
1555 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
1556 | struct qeth_reply *reply, unsigned long data) | |
1557 | { | |
1558 | struct qeth_ipa_cmd *cmd; | |
1559 | ||
1560 | cmd = (struct qeth_ipa_cmd *) data; | |
1561 | if (cmd->hdr.return_code == 0) | |
1562 | card->info.unique_id = *((__u16 *) | |
1563 | &cmd->data.create_destroy_addr.unique_id[6]); | |
1564 | else { | |
1565 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1566 | UNIQUE_ID_NOT_BY_CARD; | |
74eacdb9 FB |
1567 | dev_warn(&card->gdev->dev, "The network adapter failed to " |
1568 | "generate a unique ID\n"); | |
4a71df50 FB |
1569 | } |
1570 | return 0; | |
1571 | } | |
1572 | ||
1573 | static int qeth_l3_get_unique_id(struct qeth_card *card) | |
1574 | { | |
1575 | int rc = 0; | |
1576 | struct qeth_cmd_buffer *iob; | |
1577 | struct qeth_ipa_cmd *cmd; | |
1578 | ||
d11ba0c4 | 1579 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
4a71df50 FB |
1580 | |
1581 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1582 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1583 | UNIQUE_ID_NOT_BY_CARD; | |
1584 | return 0; | |
1585 | } | |
1586 | ||
1587 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1588 | QETH_PROT_IPV6); | |
1589 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1590 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1591 | card->info.unique_id; | |
1592 | ||
1593 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); | |
1594 | return rc; | |
1595 | } | |
1596 | ||
76b11f8e UB |
1597 | static int |
1598 | qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1599 | unsigned long data) | |
1600 | { | |
1601 | struct qeth_ipa_cmd *cmd; | |
1602 | __u16 rc; | |
1603 | ||
1604 | QETH_DBF_TEXT(SETUP, 2, "diastrcb"); | |
1605 | ||
1606 | cmd = (struct qeth_ipa_cmd *)data; | |
1607 | rc = cmd->hdr.return_code; | |
a959189a | 1608 | if (rc) |
847a50fd | 1609 | QETH_CARD_TEXT_(card, 2, "dxter%x", rc); |
76b11f8e UB |
1610 | switch (cmd->data.diagass.action) { |
1611 | case QETH_DIAGS_CMD_TRACE_QUERY: | |
1612 | break; | |
1613 | case QETH_DIAGS_CMD_TRACE_DISABLE: | |
a959189a UB |
1614 | switch (rc) { |
1615 | case 0: | |
1616 | case IPA_RC_INVALID_SUBCMD: | |
1617 | card->info.promisc_mode = SET_PROMISC_MODE_OFF; | |
1618 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1619 | "traffic analyzer is deactivated\n"); | |
1620 | break; | |
1621 | default: | |
1622 | break; | |
1623 | } | |
76b11f8e UB |
1624 | break; |
1625 | case QETH_DIAGS_CMD_TRACE_ENABLE: | |
a959189a UB |
1626 | switch (rc) { |
1627 | case 0: | |
1628 | card->info.promisc_mode = SET_PROMISC_MODE_ON; | |
1629 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1630 | "traffic analyzer is activated\n"); | |
1631 | break; | |
1632 | case IPA_RC_HARDWARE_AUTH_ERROR: | |
1633 | dev_warn(&card->gdev->dev, "The device is not " | |
1634 | "authorized to run as a HiperSockets network " | |
1635 | "traffic analyzer\n"); | |
1636 | break; | |
1637 | case IPA_RC_TRACE_ALREADY_ACTIVE: | |
1638 | dev_warn(&card->gdev->dev, "A HiperSockets " | |
1639 | "network traffic analyzer is already " | |
1640 | "active in the HiperSockets LAN\n"); | |
1641 | break; | |
1642 | default: | |
1643 | break; | |
1644 | } | |
76b11f8e UB |
1645 | break; |
1646 | default: | |
1647 | QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n", | |
1648 | cmd->data.diagass.action, QETH_CARD_IFNAME(card)); | |
1649 | } | |
1650 | ||
1651 | return 0; | |
1652 | } | |
1653 | ||
1654 | static int | |
1655 | qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) | |
1656 | { | |
1657 | struct qeth_cmd_buffer *iob; | |
1658 | struct qeth_ipa_cmd *cmd; | |
1659 | ||
1660 | QETH_DBF_TEXT(SETUP, 2, "diagtrac"); | |
1661 | ||
1662 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
1663 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
1664 | cmd->data.diagass.subcmd_len = 16; | |
1665 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE; | |
1666 | cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET; | |
1667 | cmd->data.diagass.action = diags_cmd; | |
1668 | return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL); | |
1669 | } | |
1670 | ||
4a71df50 FB |
1671 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, |
1672 | struct net_device *dev) | |
1673 | { | |
1674 | if (dev->type == ARPHRD_IEEE802_TR) | |
1675 | ip_tr_mc_map(ipm, mac); | |
1676 | else | |
1677 | ip_eth_mc_map(ipm, mac); | |
1678 | } | |
1679 | ||
1680 | static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) | |
1681 | { | |
1682 | struct qeth_ipaddr *ipm; | |
1683 | struct ip_mc_list *im4; | |
1684 | char buf[MAX_ADDR_LEN]; | |
1685 | ||
847a50fd | 1686 | QETH_CARD_TEXT(card, 4, "addmc"); |
f3aa3136 SS |
1687 | for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; |
1688 | im4 = rcu_dereference(im4->next_rcu)) { | |
4a71df50 FB |
1689 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); |
1690 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1691 | if (!ipm) | |
1692 | continue; | |
1693 | ipm->u.a4.addr = im4->multiaddr; | |
1694 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1695 | ipm->is_multicast = 1; | |
1696 | if (!qeth_l3_add_ip(card, ipm)) | |
1697 | kfree(ipm); | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) | |
1702 | { | |
1703 | struct in_device *in_dev; | |
7ff0bcf6 | 1704 | u16 vid; |
4a71df50 | 1705 | |
847a50fd | 1706 | QETH_CARD_TEXT(card, 4, "addmcvl"); |
7ff0bcf6 | 1707 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1708 | return; |
1709 | ||
7ff0bcf6 JP |
1710 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1711 | struct net_device *netdev; | |
1712 | ||
1713 | rcu_read_lock(); | |
1714 | netdev = __vlan_find_dev_deep(card->dev, vid); | |
1715 | rcu_read_unlock(); | |
4a71df50 FB |
1716 | if (netdev == NULL || |
1717 | !(netdev->flags & IFF_UP)) | |
1718 | continue; | |
1719 | in_dev = in_dev_get(netdev); | |
1720 | if (!in_dev) | |
1721 | continue; | |
f3aa3136 | 1722 | rcu_read_lock(); |
4a71df50 | 1723 | qeth_l3_add_mc(card, in_dev); |
f3aa3136 | 1724 | rcu_read_unlock(); |
4a71df50 FB |
1725 | in_dev_put(in_dev); |
1726 | } | |
1727 | } | |
1728 | ||
1729 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) | |
1730 | { | |
1731 | struct in_device *in4_dev; | |
1732 | ||
847a50fd | 1733 | QETH_CARD_TEXT(card, 4, "chkmcv4"); |
4a71df50 FB |
1734 | in4_dev = in_dev_get(card->dev); |
1735 | if (in4_dev == NULL) | |
1736 | return; | |
f3aa3136 | 1737 | rcu_read_lock(); |
4a71df50 FB |
1738 | qeth_l3_add_mc(card, in4_dev); |
1739 | qeth_l3_add_vlan_mc(card); | |
f3aa3136 | 1740 | rcu_read_unlock(); |
4a71df50 FB |
1741 | in_dev_put(in4_dev); |
1742 | } | |
1743 | ||
1744 | #ifdef CONFIG_QETH_IPV6 | |
1745 | static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) | |
1746 | { | |
1747 | struct qeth_ipaddr *ipm; | |
1748 | struct ifmcaddr6 *im6; | |
1749 | char buf[MAX_ADDR_LEN]; | |
1750 | ||
847a50fd | 1751 | QETH_CARD_TEXT(card, 4, "addmc6"); |
4a71df50 FB |
1752 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
1753 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
1754 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1755 | if (!ipm) | |
1756 | continue; | |
1757 | ipm->is_multicast = 1; | |
1758 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); | |
1759 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, | |
1760 | sizeof(struct in6_addr)); | |
1761 | if (!qeth_l3_add_ip(card, ipm)) | |
1762 | kfree(ipm); | |
1763 | } | |
1764 | } | |
1765 | ||
1766 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) | |
1767 | { | |
1768 | struct inet6_dev *in_dev; | |
7ff0bcf6 | 1769 | u16 vid; |
4a71df50 | 1770 | |
847a50fd | 1771 | QETH_CARD_TEXT(card, 4, "admc6vl"); |
7ff0bcf6 | 1772 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1773 | return; |
1774 | ||
7ff0bcf6 JP |
1775 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1776 | struct net_device *netdev; | |
1777 | ||
1778 | netdev = __vlan_find_dev_deep(card->dev, vid); | |
4a71df50 FB |
1779 | if (netdev == NULL || |
1780 | !(netdev->flags & IFF_UP)) | |
1781 | continue; | |
1782 | in_dev = in6_dev_get(netdev); | |
1783 | if (!in_dev) | |
1784 | continue; | |
1785 | read_lock_bh(&in_dev->lock); | |
1786 | qeth_l3_add_mc6(card, in_dev); | |
1787 | read_unlock_bh(&in_dev->lock); | |
1788 | in6_dev_put(in_dev); | |
1789 | } | |
1790 | } | |
1791 | ||
1792 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) | |
1793 | { | |
1794 | struct inet6_dev *in6_dev; | |
1795 | ||
847a50fd | 1796 | QETH_CARD_TEXT(card, 4, "chkmcv6"); |
4a71df50 FB |
1797 | if (!qeth_is_supported(card, IPA_IPV6)) |
1798 | return ; | |
1799 | in6_dev = in6_dev_get(card->dev); | |
1800 | if (in6_dev == NULL) | |
1801 | return; | |
1802 | read_lock_bh(&in6_dev->lock); | |
1803 | qeth_l3_add_mc6(card, in6_dev); | |
1804 | qeth_l3_add_vlan_mc6(card); | |
1805 | read_unlock_bh(&in6_dev->lock); | |
1806 | in6_dev_put(in6_dev); | |
1807 | } | |
1808 | #endif /* CONFIG_QETH_IPV6 */ | |
1809 | ||
1810 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, | |
1811 | unsigned short vid) | |
1812 | { | |
1813 | struct in_device *in_dev; | |
1814 | struct in_ifaddr *ifa; | |
1815 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1816 | struct net_device *netdev; |
4a71df50 | 1817 | |
847a50fd | 1818 | QETH_CARD_TEXT(card, 4, "frvaddr4"); |
4a71df50 | 1819 | |
7ff0bcf6 JP |
1820 | netdev = __vlan_find_dev_deep(card->dev, vid); |
1821 | in_dev = in_dev_get(netdev); | |
4a71df50 FB |
1822 | if (!in_dev) |
1823 | return; | |
1824 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { | |
1825 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1826 | if (addr) { | |
1827 | addr->u.a4.addr = ifa->ifa_address; | |
1828 | addr->u.a4.mask = ifa->ifa_mask; | |
1829 | addr->type = QETH_IP_TYPE_NORMAL; | |
1830 | if (!qeth_l3_delete_ip(card, addr)) | |
1831 | kfree(addr); | |
1832 | } | |
1833 | } | |
1834 | in_dev_put(in_dev); | |
1835 | } | |
1836 | ||
1837 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, | |
1838 | unsigned short vid) | |
1839 | { | |
1840 | #ifdef CONFIG_QETH_IPV6 | |
1841 | struct inet6_dev *in6_dev; | |
1842 | struct inet6_ifaddr *ifa; | |
1843 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1844 | struct net_device *netdev; |
4a71df50 | 1845 | |
847a50fd | 1846 | QETH_CARD_TEXT(card, 4, "frvaddr6"); |
4a71df50 | 1847 | |
7ff0bcf6 JP |
1848 | netdev = __vlan_find_dev_deep(card->dev, vid); |
1849 | in6_dev = in6_dev_get(netdev); | |
4a71df50 FB |
1850 | if (!in6_dev) |
1851 | return; | |
70f60a22 | 1852 | list_for_each_entry(ifa, &in6_dev->addr_list, if_list) { |
4a71df50 FB |
1853 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
1854 | if (addr) { | |
1855 | memcpy(&addr->u.a6.addr, &ifa->addr, | |
1856 | sizeof(struct in6_addr)); | |
1857 | addr->u.a6.pfxlen = ifa->prefix_len; | |
1858 | addr->type = QETH_IP_TYPE_NORMAL; | |
1859 | if (!qeth_l3_delete_ip(card, addr)) | |
1860 | kfree(addr); | |
1861 | } | |
1862 | } | |
1863 | in6_dev_put(in6_dev); | |
1864 | #endif /* CONFIG_QETH_IPV6 */ | |
1865 | } | |
1866 | ||
1867 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, | |
1868 | unsigned short vid) | |
1869 | { | |
4a71df50 FB |
1870 | qeth_l3_free_vlan_addresses4(card, vid); |
1871 | qeth_l3_free_vlan_addresses6(card, vid); | |
1872 | } | |
1873 | ||
8e586137 | 1874 | static int qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) |
4a71df50 | 1875 | { |
509e2562 | 1876 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 1877 | |
7ff0bcf6 | 1878 | set_bit(vid, card->active_vlans); |
8e586137 | 1879 | return 0; |
4a71df50 FB |
1880 | } |
1881 | ||
8e586137 | 1882 | static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
4a71df50 | 1883 | { |
509e2562 | 1884 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
1885 | unsigned long flags; |
1886 | ||
847a50fd | 1887 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
8e98ac48 | 1888 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 1889 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e586137 | 1890 | return 0; |
8e98ac48 | 1891 | } |
4a71df50 FB |
1892 | spin_lock_irqsave(&card->vlanlock, flags); |
1893 | /* unregister IP addresses of vlan device */ | |
1894 | qeth_l3_free_vlan_addresses(card, vid); | |
7ff0bcf6 | 1895 | clear_bit(vid, card->active_vlans); |
4a71df50 FB |
1896 | spin_unlock_irqrestore(&card->vlanlock, flags); |
1897 | qeth_l3_set_multicast_list(card->dev); | |
8e586137 | 1898 | return 0; |
4a71df50 FB |
1899 | } |
1900 | ||
10651db7 UB |
1901 | static inline int qeth_l3_rebuild_skb(struct qeth_card *card, |
1902 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
1903 | unsigned short *vlan_id) | |
4a71df50 | 1904 | { |
4a71df50 FB |
1905 | __be16 prot; |
1906 | struct iphdr *ip_hdr; | |
1907 | unsigned char tg_addr[MAX_ADDR_LEN]; | |
10651db7 | 1908 | int is_vlan = 0; |
4a71df50 FB |
1909 | |
1910 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { | |
1911 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
1912 | ETH_P_IP); | |
1913 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { | |
1914 | case QETH_CAST_MULTICAST: | |
1915 | switch (prot) { | |
1916 | #ifdef CONFIG_QETH_IPV6 | |
1917 | case __constant_htons(ETH_P_IPV6): | |
1918 | ndisc_mc_map((struct in6_addr *) | |
1919 | skb->data + 24, | |
1920 | tg_addr, card->dev, 0); | |
1921 | break; | |
1922 | #endif | |
1923 | case __constant_htons(ETH_P_IP): | |
1924 | ip_hdr = (struct iphdr *)skb->data; | |
1925 | (card->dev->type == ARPHRD_IEEE802_TR) ? | |
1926 | ip_tr_mc_map(ip_hdr->daddr, tg_addr): | |
1927 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); | |
1928 | break; | |
1929 | default: | |
1930 | memcpy(tg_addr, card->dev->broadcast, | |
1931 | card->dev->addr_len); | |
1932 | } | |
1933 | card->stats.multicast++; | |
1934 | skb->pkt_type = PACKET_MULTICAST; | |
1935 | break; | |
1936 | case QETH_CAST_BROADCAST: | |
1937 | memcpy(tg_addr, card->dev->broadcast, | |
1938 | card->dev->addr_len); | |
1939 | card->stats.multicast++; | |
1940 | skb->pkt_type = PACKET_BROADCAST; | |
1941 | break; | |
1942 | case QETH_CAST_UNICAST: | |
1943 | case QETH_CAST_ANYCAST: | |
1944 | case QETH_CAST_NOCAST: | |
1945 | default: | |
76b11f8e UB |
1946 | if (card->options.sniffer) |
1947 | skb->pkt_type = PACKET_OTHERHOST; | |
1948 | else | |
1949 | skb->pkt_type = PACKET_HOST; | |
4a71df50 FB |
1950 | memcpy(tg_addr, card->dev->dev_addr, |
1951 | card->dev->addr_len); | |
1952 | } | |
fe94e2e0 UB |
1953 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) |
1954 | card->dev->header_ops->create(skb, card->dev, prot, | |
1955 | tg_addr, &hdr->hdr.l3.dest_addr[2], | |
1956 | card->dev->addr_len); | |
1957 | else | |
1958 | card->dev->header_ops->create(skb, card->dev, prot, | |
1959 | tg_addr, "FAKELL", card->dev->addr_len); | |
4a71df50 FB |
1960 | } |
1961 | ||
1962 | #ifdef CONFIG_TR | |
1963 | if (card->dev->type == ARPHRD_IEEE802_TR) | |
1964 | skb->protocol = tr_type_trans(skb, card->dev); | |
1965 | else | |
1966 | #endif | |
1967 | skb->protocol = eth_type_trans(skb, card->dev); | |
1968 | ||
1969 | if (hdr->hdr.l3.ext_flags & | |
1970 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
10651db7 | 1971 | *vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ? |
4a71df50 | 1972 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); |
10651db7 | 1973 | is_vlan = 1; |
4a71df50 FB |
1974 | } |
1975 | ||
c5e631a8 | 1976 | if (card->dev->features & NETIF_F_RXCSUM) { |
4a71df50 | 1977 | if ((hdr->hdr.l3.ext_flags & |
b9139800 UB |
1978 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
1979 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
1980 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
1981 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) | |
4a71df50 FB |
1982 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
1983 | else | |
b9139800 | 1984 | skb->ip_summed = CHECKSUM_NONE; |
c5e631a8 FB |
1985 | } else |
1986 | skb->ip_summed = CHECKSUM_NONE; | |
4a71df50 | 1987 | |
10651db7 | 1988 | return is_vlan; |
4a71df50 FB |
1989 | } |
1990 | ||
a1c3ed4c FB |
1991 | static int qeth_l3_process_inbound_buffer(struct qeth_card *card, |
1992 | int budget, int *done) | |
4a71df50 | 1993 | { |
a1c3ed4c | 1994 | int work_done = 0; |
4a71df50 FB |
1995 | struct sk_buff *skb; |
1996 | struct qeth_hdr *hdr; | |
4a71df50 | 1997 | __u16 vlan_tag = 0; |
10651db7 | 1998 | int is_vlan; |
4a71df50 | 1999 | unsigned int len; |
b3332930 | 2000 | __u16 magic; |
4a71df50 | 2001 | |
a1c3ed4c FB |
2002 | *done = 0; |
2003 | BUG_ON(!budget); | |
2004 | while (budget) { | |
2005 | skb = qeth_core_get_next_skb(card, | |
b3332930 | 2006 | &card->qdio.in_q->bufs[card->rx.b_index], |
a1c3ed4c FB |
2007 | &card->rx.b_element, &card->rx.e_offset, &hdr); |
2008 | if (!skb) { | |
2009 | *done = 1; | |
2010 | break; | |
2011 | } | |
2012 | skb->dev = card->dev; | |
4a71df50 FB |
2013 | switch (hdr->hdr.l3.id) { |
2014 | case QETH_HEADER_TYPE_LAYER3: | |
b3332930 FB |
2015 | magic = *(__u16 *)skb->data; |
2016 | if ((card->info.type == QETH_CARD_TYPE_IQD) && | |
2017 | (magic == ETH_P_AF_IUCV)) { | |
2018 | skb->protocol = ETH_P_AF_IUCV; | |
2019 | skb->pkt_type = PACKET_HOST; | |
2020 | skb->mac_header = NET_SKB_PAD; | |
2021 | skb->dev = card->dev; | |
2022 | len = skb->len; | |
2023 | card->dev->header_ops->create(skb, card->dev, 0, | |
2024 | card->dev->dev_addr, "FAKELL", | |
2025 | card->dev->addr_len); | |
2026 | netif_receive_skb(skb); | |
2027 | } else { | |
2028 | is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, | |
10651db7 | 2029 | &vlan_tag); |
b3332930 FB |
2030 | len = skb->len; |
2031 | if (is_vlan && !card->options.sniffer) | |
2032 | __vlan_hwaccel_put_tag(skb, vlan_tag); | |
2033 | napi_gro_receive(&card->napi, skb); | |
2034 | } | |
4a71df50 | 2035 | break; |
76b11f8e UB |
2036 | case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */ |
2037 | skb->pkt_type = PACKET_HOST; | |
2038 | skb->protocol = eth_type_trans(skb, skb->dev); | |
76b11f8e UB |
2039 | len = skb->len; |
2040 | netif_receive_skb(skb); | |
2041 | break; | |
4a71df50 FB |
2042 | default: |
2043 | dev_kfree_skb_any(skb); | |
847a50fd | 2044 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 2045 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
2046 | continue; |
2047 | } | |
a1c3ed4c FB |
2048 | work_done++; |
2049 | budget--; | |
4a71df50 FB |
2050 | card->stats.rx_packets++; |
2051 | card->stats.rx_bytes += len; | |
2052 | } | |
a1c3ed4c FB |
2053 | return work_done; |
2054 | } | |
2055 | ||
2056 | static int qeth_l3_poll(struct napi_struct *napi, int budget) | |
2057 | { | |
2058 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
2059 | int work_done = 0; | |
2060 | struct qeth_qdio_buffer *buffer; | |
2061 | int done; | |
2062 | int new_budget = budget; | |
2063 | ||
2064 | if (card->options.performance_stats) { | |
2065 | card->perf_stats.inbound_cnt++; | |
2066 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
2067 | } | |
2068 | ||
2069 | while (1) { | |
2070 | if (!card->rx.b_count) { | |
2071 | card->rx.qdio_err = 0; | |
2072 | card->rx.b_count = qdio_get_next_buffers( | |
2073 | card->data.ccwdev, 0, &card->rx.b_index, | |
2074 | &card->rx.qdio_err); | |
2075 | if (card->rx.b_count <= 0) { | |
2076 | card->rx.b_count = 0; | |
2077 | break; | |
2078 | } | |
2079 | card->rx.b_element = | |
2080 | &card->qdio.in_q->bufs[card->rx.b_index] | |
2081 | .buffer->element[0]; | |
2082 | card->rx.e_offset = 0; | |
2083 | } | |
2084 | ||
2085 | while (card->rx.b_count) { | |
2086 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
2087 | if (!(card->rx.qdio_err && | |
2088 | qeth_check_qdio_errors(card, buffer->buffer, | |
2089 | card->rx.qdio_err, "qinerr"))) | |
2090 | work_done += qeth_l3_process_inbound_buffer( | |
2091 | card, new_budget, &done); | |
2092 | else | |
2093 | done = 1; | |
2094 | ||
2095 | if (done) { | |
2096 | if (card->options.performance_stats) | |
2097 | card->perf_stats.bufs_rec++; | |
2098 | qeth_put_buffer_pool_entry(card, | |
2099 | buffer->pool_entry); | |
2100 | qeth_queue_input_buffer(card, card->rx.b_index); | |
2101 | card->rx.b_count--; | |
2102 | if (card->rx.b_count) { | |
2103 | card->rx.b_index = | |
2104 | (card->rx.b_index + 1) % | |
2105 | QDIO_MAX_BUFFERS_PER_Q; | |
2106 | card->rx.b_element = | |
2107 | &card->qdio.in_q | |
2108 | ->bufs[card->rx.b_index] | |
2109 | .buffer->element[0]; | |
2110 | card->rx.e_offset = 0; | |
2111 | } | |
2112 | } | |
2113 | ||
2114 | if (work_done >= budget) | |
2115 | goto out; | |
2116 | else | |
2117 | new_budget = budget - work_done; | |
2118 | } | |
2119 | } | |
2120 | ||
2121 | napi_complete(napi); | |
2122 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
2123 | napi_schedule(&card->napi); | |
2124 | out: | |
2125 | if (card->options.performance_stats) | |
2126 | card->perf_stats.inbound_time += qeth_get_micros() - | |
2127 | card->perf_stats.inbound_start_time; | |
2128 | return work_done; | |
4a71df50 FB |
2129 | } |
2130 | ||
2131 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, | |
2132 | struct qeth_card *card) | |
2133 | { | |
2134 | int rc = 0; | |
7ff0bcf6 | 2135 | u16 vid; |
4a71df50 | 2136 | |
7ff0bcf6 JP |
2137 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
2138 | struct net_device *netdev; | |
4a71df50 | 2139 | |
7ff0bcf6 JP |
2140 | rcu_read_lock(); |
2141 | netdev = __vlan_find_dev_deep(dev, vid); | |
2142 | rcu_read_unlock(); | |
2143 | if (netdev == dev) { | |
4a71df50 FB |
2144 | rc = QETH_VLAN_CARD; |
2145 | break; | |
2146 | } | |
2147 | } | |
2148 | ||
509e2562 | 2149 | if (rc && !(vlan_dev_real_dev(dev)->ml_priv == (void *)card)) |
4a71df50 FB |
2150 | return 0; |
2151 | ||
2152 | return rc; | |
2153 | } | |
2154 | ||
2155 | static int qeth_l3_verify_dev(struct net_device *dev) | |
2156 | { | |
2157 | struct qeth_card *card; | |
2158 | unsigned long flags; | |
2159 | int rc = 0; | |
2160 | ||
2161 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
2162 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
2163 | if (card->dev == dev) { | |
2164 | rc = QETH_REAL_CARD; | |
2165 | break; | |
2166 | } | |
2167 | rc = qeth_l3_verify_vlan_dev(dev, card); | |
2168 | if (rc) | |
2169 | break; | |
2170 | } | |
2171 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
2172 | ||
2173 | return rc; | |
2174 | } | |
2175 | ||
2176 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) | |
2177 | { | |
2178 | struct qeth_card *card = NULL; | |
2179 | int rc; | |
2180 | ||
2181 | rc = qeth_l3_verify_dev(dev); | |
2182 | if (rc == QETH_REAL_CARD) | |
509e2562 | 2183 | card = dev->ml_priv; |
4a71df50 | 2184 | else if (rc == QETH_VLAN_CARD) |
509e2562 | 2185 | card = vlan_dev_real_dev(dev)->ml_priv; |
e5bd7be5 | 2186 | if (card && card->options.layer2) |
4a71df50 | 2187 | card = NULL; |
847a50fd CO |
2188 | if (card) |
2189 | QETH_CARD_TEXT_(card, 4, "%d", rc); | |
4a71df50 FB |
2190 | return card ; |
2191 | } | |
2192 | ||
2193 | static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) | |
2194 | { | |
2195 | int rc = 0; | |
2196 | ||
d11ba0c4 PT |
2197 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
2198 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
2199 | |
2200 | qeth_set_allowed_threads(card, 0, 1); | |
76b11f8e UB |
2201 | if (card->options.sniffer && |
2202 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) | |
2203 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); | |
4a71df50 FB |
2204 | if (card->read.state == CH_STATE_UP && |
2205 | card->write.state == CH_STATE_UP && | |
2206 | (card->state == CARD_STATE_UP)) { | |
2207 | if (recovery_mode) | |
2208 | qeth_l3_stop(card->dev); | |
8af7c5ae | 2209 | else { |
869da90b UB |
2210 | rtnl_lock(); |
2211 | dev_close(card->dev); | |
2212 | rtnl_unlock(); | |
8af7c5ae | 2213 | } |
4a71df50 FB |
2214 | card->state = CARD_STATE_SOFTSETUP; |
2215 | } | |
2216 | if (card->state == CARD_STATE_SOFTSETUP) { | |
70919e23 | 2217 | qeth_l3_clear_ip_list(card, 1); |
4a71df50 FB |
2218 | qeth_clear_ipacmd_list(card); |
2219 | card->state = CARD_STATE_HARDSETUP; | |
2220 | } | |
2221 | if (card->state == CARD_STATE_HARDSETUP) { | |
4a71df50 FB |
2222 | qeth_qdio_clear_card(card, 0); |
2223 | qeth_clear_qdio_buffers(card); | |
2224 | qeth_clear_working_pool_list(card); | |
2225 | card->state = CARD_STATE_DOWN; | |
2226 | } | |
2227 | if (card->state == CARD_STATE_DOWN) { | |
2228 | qeth_clear_cmd_buffers(&card->read); | |
2229 | qeth_clear_cmd_buffers(&card->write); | |
2230 | } | |
4a71df50 FB |
2231 | return rc; |
2232 | } | |
2233 | ||
76b11f8e UB |
2234 | /* |
2235 | * test for and Switch promiscuous mode (on or off) | |
2236 | * either for guestlan or HiperSocket Sniffer | |
2237 | */ | |
2238 | static void | |
2239 | qeth_l3_handle_promisc_mode(struct qeth_card *card) | |
2240 | { | |
2241 | struct net_device *dev = card->dev; | |
2242 | ||
2243 | if (((dev->flags & IFF_PROMISC) && | |
2244 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
2245 | (!(dev->flags & IFF_PROMISC) && | |
2246 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
2247 | return; | |
2248 | ||
2249 | if (card->info.guestlan) { /* Guestlan trace */ | |
2250 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2251 | qeth_setadp_promisc_mode(card); | |
2252 | } else if (card->options.sniffer && /* HiperSockets trace */ | |
2253 | qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) { | |
2254 | if (dev->flags & IFF_PROMISC) { | |
847a50fd | 2255 | QETH_CARD_TEXT(card, 3, "+promisc"); |
76b11f8e UB |
2256 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE); |
2257 | } else { | |
847a50fd | 2258 | QETH_CARD_TEXT(card, 3, "-promisc"); |
76b11f8e UB |
2259 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); |
2260 | } | |
2261 | } | |
2262 | } | |
2263 | ||
4a71df50 FB |
2264 | static void qeth_l3_set_multicast_list(struct net_device *dev) |
2265 | { | |
509e2562 | 2266 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 2267 | |
847a50fd | 2268 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
2269 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
2270 | (card->state != CARD_STATE_UP)) | |
2271 | return; | |
76b11f8e UB |
2272 | if (!card->options.sniffer) { |
2273 | qeth_l3_delete_mc_addresses(card); | |
2274 | qeth_l3_add_multicast_ipv4(card); | |
4a71df50 | 2275 | #ifdef CONFIG_QETH_IPV6 |
76b11f8e | 2276 | qeth_l3_add_multicast_ipv6(card); |
4a71df50 | 2277 | #endif |
76b11f8e UB |
2278 | qeth_l3_set_ip_addr_list(card); |
2279 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2280 | return; | |
2281 | } | |
2282 | qeth_l3_handle_promisc_mode(card); | |
4a71df50 FB |
2283 | } |
2284 | ||
2285 | static const char *qeth_l3_arp_get_error_cause(int *rc) | |
2286 | { | |
2287 | switch (*rc) { | |
2288 | case QETH_IPA_ARP_RC_FAILED: | |
2289 | *rc = -EIO; | |
2290 | return "operation failed"; | |
2291 | case QETH_IPA_ARP_RC_NOTSUPP: | |
2292 | *rc = -EOPNOTSUPP; | |
2293 | return "operation not supported"; | |
2294 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
2295 | *rc = -EINVAL; | |
2296 | return "argument out of range"; | |
2297 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
2298 | *rc = -EOPNOTSUPP; | |
2299 | return "query operation not supported"; | |
2300 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
2301 | *rc = -ENOENT; | |
2302 | return "no query data available"; | |
2303 | default: | |
2304 | return "unknown error"; | |
2305 | } | |
2306 | } | |
2307 | ||
2308 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
2309 | { | |
2310 | int tmp; | |
2311 | int rc; | |
2312 | ||
847a50fd | 2313 | QETH_CARD_TEXT(card, 3, "arpstnoe"); |
4a71df50 FB |
2314 | |
2315 | /* | |
2316 | * currently GuestLAN only supports the ARP assist function | |
2317 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
2318 | * thus we say EOPNOTSUPP for this ARP function | |
2319 | */ | |
2320 | if (card->info.guestlan) | |
2321 | return -EOPNOTSUPP; | |
2322 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2323 | return -EOPNOTSUPP; |
2324 | } | |
2325 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2326 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, | |
2327 | no_entries); | |
2328 | if (rc) { | |
2329 | tmp = rc; | |
14cc21b6 FB |
2330 | QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on " |
2331 | "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2332 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2333 | } | |
2334 | return rc; | |
2335 | } | |
2336 | ||
d0ddf30f EL |
2337 | static __u32 get_arp_entry_size(struct qeth_card *card, |
2338 | struct qeth_arp_query_data *qdata, | |
2339 | struct qeth_arp_entrytype *type, __u8 strip_entries) | |
4a71df50 | 2340 | { |
d0ddf30f EL |
2341 | __u32 rc; |
2342 | __u8 is_hsi; | |
4a71df50 | 2343 | |
d0ddf30f EL |
2344 | is_hsi = qdata->reply_bits == 5; |
2345 | if (type->ip == QETHARP_IP_ADDR_V4) { | |
2346 | QETH_CARD_TEXT(card, 4, "arpev4"); | |
2347 | if (strip_entries) { | |
2348 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : | |
2349 | sizeof(struct qeth_arp_qi_entry7_short); | |
2350 | } else { | |
2351 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : | |
2352 | sizeof(struct qeth_arp_qi_entry7); | |
2353 | } | |
2354 | } else if (type->ip == QETHARP_IP_ADDR_V6) { | |
2355 | QETH_CARD_TEXT(card, 4, "arpev6"); | |
2356 | if (strip_entries) { | |
2357 | rc = is_hsi ? | |
2358 | sizeof(struct qeth_arp_qi_entry5_short_ipv6) : | |
2359 | sizeof(struct qeth_arp_qi_entry7_short_ipv6); | |
2360 | } else { | |
2361 | rc = is_hsi ? | |
2362 | sizeof(struct qeth_arp_qi_entry5_ipv6) : | |
2363 | sizeof(struct qeth_arp_qi_entry7_ipv6); | |
2364 | } | |
2365 | } else { | |
2366 | QETH_CARD_TEXT(card, 4, "arpinv"); | |
2367 | rc = 0; | |
4a71df50 | 2368 | } |
d0ddf30f EL |
2369 | |
2370 | return rc; | |
2371 | } | |
2372 | ||
2373 | static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) | |
2374 | { | |
2375 | return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || | |
2376 | (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); | |
4a71df50 FB |
2377 | } |
2378 | ||
2379 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
2380 | struct qeth_reply *reply, unsigned long data) | |
2381 | { | |
2382 | struct qeth_ipa_cmd *cmd; | |
2383 | struct qeth_arp_query_data *qdata; | |
2384 | struct qeth_arp_query_info *qinfo; | |
4a71df50 | 2385 | int i; |
d0ddf30f EL |
2386 | int e; |
2387 | int entrybytes_done; | |
2388 | int stripped_bytes; | |
2389 | __u8 do_strip_entries; | |
4a71df50 | 2390 | |
d0ddf30f | 2391 | QETH_CARD_TEXT(card, 3, "arpquecb"); |
4a71df50 FB |
2392 | |
2393 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
2394 | cmd = (struct qeth_ipa_cmd *) data; | |
d0ddf30f | 2395 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); |
4a71df50 | 2396 | if (cmd->hdr.return_code) { |
d0ddf30f EL |
2397 | QETH_CARD_TEXT(card, 4, "arpcberr"); |
2398 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2399 | return 0; |
2400 | } | |
2401 | if (cmd->data.setassparms.hdr.return_code) { | |
2402 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d0ddf30f EL |
2403 | QETH_CARD_TEXT(card, 4, "setaperr"); |
2404 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2405 | return 0; |
2406 | } | |
2407 | qdata = &cmd->data.setassparms.data.query_arp; | |
847a50fd | 2408 | QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); |
4a71df50 | 2409 | |
d0ddf30f EL |
2410 | do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; |
2411 | stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; | |
2412 | entrybytes_done = 0; | |
2413 | for (e = 0; e < qdata->no_entries; ++e) { | |
2414 | char *cur_entry; | |
2415 | __u32 esize; | |
2416 | struct qeth_arp_entrytype *etype; | |
2417 | ||
2418 | cur_entry = &qdata->data + entrybytes_done; | |
2419 | etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; | |
2420 | if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { | |
2421 | QETH_CARD_TEXT(card, 4, "pmis"); | |
2422 | QETH_CARD_TEXT_(card, 4, "%i", etype->ip); | |
2423 | break; | |
2424 | } | |
2425 | esize = get_arp_entry_size(card, qdata, etype, | |
2426 | do_strip_entries); | |
2427 | QETH_CARD_TEXT_(card, 5, "esz%i", esize); | |
2428 | if (!esize) | |
2429 | break; | |
2430 | ||
2431 | if ((qinfo->udata_len - qinfo->udata_offset) < esize) { | |
2432 | QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); | |
e0a8114c | 2433 | cmd->hdr.return_code = IPA_RC_ENOMEM; |
d0ddf30f EL |
2434 | goto out_error; |
2435 | } | |
4a71df50 | 2436 | |
d0ddf30f EL |
2437 | memcpy(qinfo->udata + qinfo->udata_offset, |
2438 | &qdata->data + entrybytes_done + stripped_bytes, | |
2439 | esize); | |
2440 | entrybytes_done += esize + stripped_bytes; | |
2441 | qinfo->udata_offset += esize; | |
2442 | ++qinfo->no_entries; | |
2443 | } | |
4a71df50 FB |
2444 | /* check if all replies received ... */ |
2445 | if (cmd->data.setassparms.hdr.seq_no < | |
2446 | cmd->data.setassparms.hdr.number_of_replies) | |
2447 | return 1; | |
d0ddf30f | 2448 | QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); |
4a71df50 FB |
2449 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
2450 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
2451 | * stripped entries from normal ones */ | |
2452 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2453 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
2454 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
d0ddf30f | 2455 | QETH_CARD_TEXT_(card, 4, "rc%i", 0); |
4a71df50 FB |
2456 | return 0; |
2457 | out_error: | |
2458 | i = 0; | |
2459 | memcpy(qinfo->udata, &i, 4); | |
2460 | return 0; | |
2461 | } | |
2462 | ||
2463 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, | |
2464 | struct qeth_cmd_buffer *iob, int len, | |
2465 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
2466 | unsigned long), | |
2467 | void *reply_param) | |
2468 | { | |
847a50fd | 2469 | QETH_CARD_TEXT(card, 4, "sendarp"); |
4a71df50 FB |
2470 | |
2471 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2472 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2473 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2474 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
2475 | reply_cb, reply_param); | |
2476 | } | |
2477 | ||
d0ddf30f EL |
2478 | static int qeth_l3_query_arp_cache_info(struct qeth_card *card, |
2479 | enum qeth_prot_versions prot, | |
2480 | struct qeth_arp_query_info *qinfo) | |
4a71df50 FB |
2481 | { |
2482 | struct qeth_cmd_buffer *iob; | |
d0ddf30f | 2483 | struct qeth_ipa_cmd *cmd; |
4a71df50 FB |
2484 | int tmp; |
2485 | int rc; | |
2486 | ||
d0ddf30f EL |
2487 | QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); |
2488 | ||
2489 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2490 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
2491 | sizeof(struct qeth_arp_query_data) - sizeof(char), | |
2492 | prot); | |
2493 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); | |
2494 | cmd->data.setassparms.data.query_arp.request_bits = 0x000F; | |
2495 | cmd->data.setassparms.data.query_arp.reply_bits = 0; | |
2496 | cmd->data.setassparms.data.query_arp.no_entries = 0; | |
2497 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, | |
2498 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
2499 | qeth_l3_arp_query_cb, (void *)qinfo); | |
2500 | if (rc) { | |
2501 | tmp = rc; | |
2502 | QETH_DBF_MESSAGE(2, | |
2503 | "Error while querying ARP cache on %s: %s " | |
2504 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2505 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2506 | } | |
2507 | ||
2508 | return rc; | |
2509 | } | |
2510 | ||
2511 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
2512 | { | |
2513 | struct qeth_arp_query_info qinfo = {0, }; | |
2514 | int rc; | |
2515 | ||
847a50fd | 2516 | QETH_CARD_TEXT(card, 3, "arpquery"); |
4a71df50 FB |
2517 | |
2518 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
2519 | IPA_ARP_PROCESSING)) { | |
d0ddf30f EL |
2520 | QETH_CARD_TEXT(card, 3, "arpqnsup"); |
2521 | rc = -EOPNOTSUPP; | |
2522 | goto out; | |
4a71df50 FB |
2523 | } |
2524 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
d0ddf30f EL |
2525 | if (copy_from_user(&qinfo, udata, 6)) { |
2526 | rc = -EFAULT; | |
2527 | goto out; | |
2528 | } | |
4a71df50 | 2529 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
d0ddf30f EL |
2530 | if (!qinfo.udata) { |
2531 | rc = -ENOMEM; | |
2532 | goto out; | |
2533 | } | |
4a71df50 | 2534 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
d0ddf30f | 2535 | rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); |
4a71df50 | 2536 | if (rc) { |
4a71df50 FB |
2537 | if (copy_to_user(udata, qinfo.udata, 4)) |
2538 | rc = -EFAULT; | |
d0ddf30f | 2539 | goto free_and_out; |
4a71df50 | 2540 | } else { |
d0ddf30f EL |
2541 | #ifdef CONFIG_QETH_IPV6 |
2542 | if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { | |
2543 | /* fails in case of GuestLAN QDIO mode */ | |
2544 | qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, | |
2545 | &qinfo); | |
2546 | } | |
2547 | #endif | |
2548 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { | |
2549 | QETH_CARD_TEXT(card, 4, "qactf"); | |
4a71df50 | 2550 | rc = -EFAULT; |
d0ddf30f EL |
2551 | goto free_and_out; |
2552 | } | |
2553 | QETH_CARD_TEXT_(card, 4, "qacts"); | |
4a71df50 | 2554 | } |
d0ddf30f | 2555 | free_and_out: |
4a71df50 | 2556 | kfree(qinfo.udata); |
d0ddf30f | 2557 | out: |
4a71df50 FB |
2558 | return rc; |
2559 | } | |
2560 | ||
2561 | static int qeth_l3_arp_add_entry(struct qeth_card *card, | |
2562 | struct qeth_arp_cache_entry *entry) | |
2563 | { | |
2564 | struct qeth_cmd_buffer *iob; | |
2565 | char buf[16]; | |
2566 | int tmp; | |
2567 | int rc; | |
2568 | ||
847a50fd | 2569 | QETH_CARD_TEXT(card, 3, "arpadent"); |
4a71df50 FB |
2570 | |
2571 | /* | |
2572 | * currently GuestLAN only supports the ARP assist function | |
2573 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
2574 | * thus we say EOPNOTSUPP for this ARP function | |
2575 | */ | |
2576 | if (card->info.guestlan) | |
2577 | return -EOPNOTSUPP; | |
2578 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2579 | return -EOPNOTSUPP; |
2580 | } | |
2581 | ||
2582 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2583 | IPA_CMD_ASS_ARP_ADD_ENTRY, | |
2584 | sizeof(struct qeth_arp_cache_entry), | |
2585 | QETH_PROT_IPV4); | |
2586 | rc = qeth_l3_send_setassparms(card, iob, | |
2587 | sizeof(struct qeth_arp_cache_entry), | |
2588 | (unsigned long) entry, | |
2589 | qeth_l3_default_setassparms_cb, NULL); | |
2590 | if (rc) { | |
2591 | tmp = rc; | |
2592 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2593 | QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s " |
2594 | "on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2595 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2596 | } |
2597 | return rc; | |
2598 | } | |
2599 | ||
2600 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, | |
2601 | struct qeth_arp_cache_entry *entry) | |
2602 | { | |
2603 | struct qeth_cmd_buffer *iob; | |
2604 | char buf[16] = {0, }; | |
2605 | int tmp; | |
2606 | int rc; | |
2607 | ||
847a50fd | 2608 | QETH_CARD_TEXT(card, 3, "arprment"); |
4a71df50 FB |
2609 | |
2610 | /* | |
2611 | * currently GuestLAN only supports the ARP assist function | |
2612 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
2613 | * thus we say EOPNOTSUPP for this ARP function | |
2614 | */ | |
2615 | if (card->info.guestlan) | |
2616 | return -EOPNOTSUPP; | |
2617 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2618 | return -EOPNOTSUPP; |
2619 | } | |
2620 | memcpy(buf, entry, 12); | |
2621 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, | |
2622 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, | |
2623 | 12, | |
2624 | QETH_PROT_IPV4); | |
2625 | rc = qeth_l3_send_setassparms(card, iob, | |
2626 | 12, (unsigned long)buf, | |
2627 | qeth_l3_default_setassparms_cb, NULL); | |
2628 | if (rc) { | |
2629 | tmp = rc; | |
2630 | memset(buf, 0, 16); | |
2631 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2632 | QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s" |
2633 | " on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2634 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2635 | } |
2636 | return rc; | |
2637 | } | |
2638 | ||
2639 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
2640 | { | |
2641 | int rc; | |
2642 | int tmp; | |
2643 | ||
847a50fd | 2644 | QETH_CARD_TEXT(card, 3, "arpflush"); |
4a71df50 FB |
2645 | |
2646 | /* | |
2647 | * currently GuestLAN only supports the ARP assist function | |
2648 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
2649 | * thus we say EOPNOTSUPP for this ARP function | |
2650 | */ | |
2651 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) | |
2652 | return -EOPNOTSUPP; | |
2653 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2654 | return -EOPNOTSUPP; |
2655 | } | |
2656 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, | |
2657 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); | |
2658 | if (rc) { | |
2659 | tmp = rc; | |
14cc21b6 FB |
2660 | QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s " |
2661 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2662 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2663 | } | |
2664 | return rc; | |
2665 | } | |
2666 | ||
2667 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2668 | { | |
509e2562 | 2669 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2670 | struct qeth_arp_cache_entry arp_entry; |
2671 | struct mii_ioctl_data *mii_data; | |
2672 | int rc = 0; | |
2673 | ||
2674 | if (!card) | |
2675 | return -ENODEV; | |
2676 | ||
2677 | if ((card->state != CARD_STATE_UP) && | |
2678 | (card->state != CARD_STATE_SOFTSETUP)) | |
2679 | return -ENODEV; | |
2680 | ||
2681 | switch (cmd) { | |
2682 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
2683 | if (!capable(CAP_NET_ADMIN)) { | |
2684 | rc = -EPERM; | |
2685 | break; | |
2686 | } | |
2687 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
2688 | break; | |
2689 | case SIOC_QETH_ARP_QUERY_INFO: | |
2690 | if (!capable(CAP_NET_ADMIN)) { | |
2691 | rc = -EPERM; | |
2692 | break; | |
2693 | } | |
2694 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); | |
2695 | break; | |
2696 | case SIOC_QETH_ARP_ADD_ENTRY: | |
2697 | if (!capable(CAP_NET_ADMIN)) { | |
2698 | rc = -EPERM; | |
2699 | break; | |
2700 | } | |
2701 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2702 | sizeof(struct qeth_arp_cache_entry))) | |
2703 | rc = -EFAULT; | |
2704 | else | |
2705 | rc = qeth_l3_arp_add_entry(card, &arp_entry); | |
2706 | break; | |
2707 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
2708 | if (!capable(CAP_NET_ADMIN)) { | |
2709 | rc = -EPERM; | |
2710 | break; | |
2711 | } | |
2712 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2713 | sizeof(struct qeth_arp_cache_entry))) | |
2714 | rc = -EFAULT; | |
2715 | else | |
2716 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); | |
2717 | break; | |
2718 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
2719 | if (!capable(CAP_NET_ADMIN)) { | |
2720 | rc = -EPERM; | |
2721 | break; | |
2722 | } | |
2723 | rc = qeth_l3_arp_flush_cache(card); | |
2724 | break; | |
2725 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
2726 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
2727 | break; | |
2728 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
2729 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
2730 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
2731 | !card->info.guestlan) |
2732 | return 1; | |
2733 | return 0; | |
2734 | break; | |
2735 | case SIOCGMIIPHY: | |
2736 | mii_data = if_mii(rq); | |
2737 | mii_data->phy_id = 0; | |
2738 | break; | |
2739 | case SIOCGMIIREG: | |
2740 | mii_data = if_mii(rq); | |
2741 | if (mii_data->phy_id != 0) | |
2742 | rc = -EINVAL; | |
2743 | else | |
2744 | mii_data->val_out = qeth_mdio_read(dev, | |
2745 | mii_data->phy_id, | |
2746 | mii_data->reg_num); | |
2747 | break; | |
c3ab96f3 FB |
2748 | case SIOC_QETH_QUERY_OAT: |
2749 | rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); | |
2750 | break; | |
4a71df50 FB |
2751 | default: |
2752 | rc = -EOPNOTSUPP; | |
2753 | } | |
2754 | if (rc) | |
847a50fd | 2755 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
2756 | return rc; |
2757 | } | |
2758 | ||
ce73e10e KDW |
2759 | int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) |
2760 | { | |
2761 | int cast_type = RTN_UNSPEC; | |
69cce1d1 DM |
2762 | struct neighbour *n = NULL; |
2763 | struct dst_entry *dst; | |
2764 | ||
1d36cb47 | 2765 | rcu_read_lock(); |
69cce1d1 DM |
2766 | dst = skb_dst(skb); |
2767 | if (dst) | |
27217455 | 2768 | n = dst_get_neighbour_noref(dst); |
69cce1d1 DM |
2769 | if (n) { |
2770 | cast_type = n->type; | |
1d36cb47 | 2771 | rcu_read_unlock(); |
ce73e10e KDW |
2772 | if ((cast_type == RTN_BROADCAST) || |
2773 | (cast_type == RTN_MULTICAST) || | |
2774 | (cast_type == RTN_ANYCAST)) | |
2775 | return cast_type; | |
2776 | else | |
2777 | return RTN_UNSPEC; | |
2778 | } | |
1d36cb47 FB |
2779 | rcu_read_unlock(); |
2780 | ||
ce73e10e KDW |
2781 | /* try something else */ |
2782 | if (skb->protocol == ETH_P_IPV6) | |
2783 | return (skb_network_header(skb)[24] == 0xff) ? | |
2784 | RTN_MULTICAST : 0; | |
2785 | else if (skb->protocol == ETH_P_IP) | |
2786 | return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? | |
2787 | RTN_MULTICAST : 0; | |
2788 | /* ... */ | |
2789 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
2790 | return RTN_BROADCAST; | |
2791 | else { | |
2792 | u16 hdr_mac; | |
2793 | ||
2794 | hdr_mac = *((u16 *)skb->data); | |
2795 | /* tr multicast? */ | |
2796 | switch (card->info.link_type) { | |
2797 | case QETH_LINK_TYPE_HSTR: | |
2798 | case QETH_LINK_TYPE_LANE_TR: | |
2799 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
2800 | (hdr_mac == QETH_TR_MAC_C)) | |
2801 | return RTN_MULTICAST; | |
2802 | break; | |
2803 | /* eth or so multicast? */ | |
2804 | default: | |
2805 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
2806 | (hdr_mac == QETH_ETH_MAC_V6)) | |
2807 | return RTN_MULTICAST; | |
2808 | } | |
2809 | } | |
2810 | return cast_type; | |
2811 | } | |
2812 | ||
b3332930 FB |
2813 | static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, |
2814 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2815 | { | |
2816 | char daddr[16]; | |
2817 | struct af_iucv_trans_hdr *iucv_hdr; | |
2818 | ||
2819 | skb_pull(skb, 14); | |
2820 | card->dev->header_ops->create(skb, card->dev, 0, | |
2821 | card->dev->dev_addr, card->dev->dev_addr, | |
2822 | card->dev->addr_len); | |
2823 | skb_pull(skb, 14); | |
2824 | iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; | |
2825 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
2826 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2827 | hdr->hdr.l3.ext_flags = 0; | |
2828 | hdr->hdr.l3.length = skb->len; | |
2829 | hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; | |
2830 | memset(daddr, 0, sizeof(daddr)); | |
2831 | daddr[0] = 0xfe; | |
2832 | daddr[1] = 0x80; | |
2833 | memcpy(&daddr[8], iucv_hdr->destUserID, 8); | |
2834 | memcpy(hdr->hdr.l3.dest_addr, daddr, 16); | |
2835 | } | |
2836 | ||
4a71df50 FB |
2837 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
2838 | struct sk_buff *skb, int ipv, int cast_type) | |
2839 | { | |
69cce1d1 DM |
2840 | struct dst_entry *dst; |
2841 | ||
4a71df50 FB |
2842 | memset(hdr, 0, sizeof(struct qeth_hdr)); |
2843 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2844 | hdr->hdr.l3.ext_flags = 0; | |
2845 | ||
2846 | /* | |
2847 | * before we're going to overwrite this location with next hop ip. | |
2848 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
2849 | */ | |
7ff0bcf6 | 2850 | if (vlan_tx_tag_present(skb)) { |
213298f8 FB |
2851 | if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD)) |
2852 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME; | |
2853 | else | |
2854 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
4a71df50 FB |
2855 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); |
2856 | } | |
2857 | ||
2858 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
1d36cb47 FB |
2859 | |
2860 | rcu_read_lock(); | |
69cce1d1 | 2861 | dst = skb_dst(skb); |
4a71df50 | 2862 | if (ipv == 4) { |
87e7597b DM |
2863 | struct rtable *rt = (struct rtable *) dst; |
2864 | __be32 *pkey = &ip_hdr(skb)->daddr; | |
2865 | ||
2866 | if (rt->rt_gateway) | |
2867 | pkey = &rt->rt_gateway; | |
2868 | ||
4a71df50 FB |
2869 | /* IPv4 */ |
2870 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); | |
2871 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
87e7597b | 2872 | *((__be32 *) (&hdr->hdr.l3.dest_addr[12])) = *pkey; |
4a71df50 | 2873 | } else if (ipv == 6) { |
87e7597b DM |
2874 | struct rt6_info *rt = (struct rt6_info *) dst; |
2875 | struct in6_addr *pkey = &ipv6_hdr(skb)->daddr; | |
2876 | ||
2877 | if (!ipv6_addr_any(&rt->rt6i_gateway)) | |
2878 | pkey = &rt->rt6i_gateway; | |
2879 | ||
4a71df50 FB |
2880 | /* IPv6 */ |
2881 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); | |
2882 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2883 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; | |
87e7597b | 2884 | memcpy(hdr->hdr.l3.dest_addr, pkey, 16); |
4a71df50 FB |
2885 | } else { |
2886 | /* passthrough */ | |
2887 | if ((skb->dev->type == ARPHRD_IEEE802_TR) && | |
2888 | !memcmp(skb->data + sizeof(struct qeth_hdr) + | |
2889 | sizeof(__u16), skb->dev->broadcast, 6)) { | |
2890 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2891 | QETH_HDR_PASSTHRU; | |
2892 | } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), | |
2893 | skb->dev->broadcast, 6)) { | |
2894 | /* broadcast? */ | |
2895 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2896 | QETH_HDR_PASSTHRU; | |
2897 | } else { | |
2898 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
2899 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
2900 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
2901 | } | |
2902 | } | |
1d36cb47 | 2903 | rcu_read_unlock(); |
4a71df50 FB |
2904 | } |
2905 | ||
f6b85b6c FB |
2906 | static inline void qeth_l3_hdr_csum(struct qeth_card *card, |
2907 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2908 | { | |
2909 | struct iphdr *iph = ip_hdr(skb); | |
2910 | ||
2911 | /* tcph->check contains already the pseudo hdr checksum | |
2912 | * so just set the header flags | |
2913 | */ | |
2914 | if (iph->protocol == IPPROTO_UDP) | |
2915 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP; | |
16c0f936 FB |
2916 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ | |
2917 | QETH_HDR_EXT_CSUM_HDR_REQ; | |
2918 | iph->check = 0; | |
f6b85b6c FB |
2919 | if (card->options.performance_stats) |
2920 | card->perf_stats.tx_csum++; | |
2921 | } | |
2922 | ||
64ef8957 FB |
2923 | static void qeth_tso_fill_header(struct qeth_card *card, |
2924 | struct qeth_hdr *qhdr, struct sk_buff *skb) | |
2925 | { | |
2926 | struct qeth_hdr_tso *hdr = (struct qeth_hdr_tso *)qhdr; | |
2927 | struct tcphdr *tcph = tcp_hdr(skb); | |
2928 | struct iphdr *iph = ip_hdr(skb); | |
2929 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
2930 | ||
2931 | /*fix header to TSO values ...*/ | |
2932 | hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; | |
8fa9208e | 2933 | hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso); |
64ef8957 FB |
2934 | /*set values which are fix for the first approach ...*/ |
2935 | hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); | |
2936 | hdr->ext.imb_hdr_no = 1; | |
2937 | hdr->ext.hdr_type = 1; | |
2938 | hdr->ext.hdr_version = 1; | |
2939 | hdr->ext.hdr_len = 28; | |
2940 | /*insert non-fix values */ | |
2941 | hdr->ext.mss = skb_shinfo(skb)->gso_size; | |
2942 | hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); | |
2943 | hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - | |
2944 | sizeof(struct qeth_hdr_tso)); | |
2945 | tcph->check = 0; | |
2946 | if (skb->protocol == ETH_P_IPV6) { | |
2947 | ip6h->payload_len = 0; | |
2948 | tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, | |
2949 | 0, IPPROTO_TCP, 0); | |
2950 | } else { | |
2951 | /*OSA want us to set these values ...*/ | |
2952 | tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, | |
2953 | 0, IPPROTO_TCP, 0); | |
2954 | iph->tot_len = 0; | |
2955 | iph->check = 0; | |
2956 | } | |
2957 | } | |
2958 | ||
c3b4a740 FB |
2959 | static inline int qeth_l3_tso_elements(struct sk_buff *skb) |
2960 | { | |
2961 | unsigned long tcpd = (unsigned long)tcp_hdr(skb) + | |
2962 | tcp_hdr(skb)->doff * 4; | |
2963 | int tcpd_len = skb->len - (tcpd - (unsigned long)skb->data); | |
51aa165c | 2964 | int elements = PFN_UP(tcpd + tcpd_len - 1) - PFN_DOWN(tcpd); |
c3b4a740 FB |
2965 | elements += skb_shinfo(skb)->nr_frags; |
2966 | return elements; | |
2967 | } | |
2968 | ||
4a71df50 FB |
2969 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
2970 | { | |
2971 | int rc; | |
2972 | u16 *tag; | |
2973 | struct qeth_hdr *hdr = NULL; | |
2974 | int elements_needed = 0; | |
64ef8957 | 2975 | int elems; |
509e2562 | 2976 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2977 | struct sk_buff *new_skb = NULL; |
2978 | int ipv = qeth_get_ip_version(skb); | |
ce73e10e | 2979 | int cast_type = qeth_l3_get_cast_type(card, skb); |
4a71df50 FB |
2980 | struct qeth_qdio_out_q *queue = card->qdio.out_qs |
2981 | [qeth_get_priority_queue(card, skb, ipv, cast_type)]; | |
2982 | int tx_bytes = skb->len; | |
6204b47e | 2983 | bool large_send; |
683d718a | 2984 | int data_offset = -1; |
64ef8957 | 2985 | int nr_frags; |
4a71df50 | 2986 | |
b3332930 FB |
2987 | if (((card->info.type == QETH_CARD_TYPE_IQD) && |
2988 | (((card->options.cq != QETH_CQ_ENABLED) && !ipv) || | |
2989 | ((card->options.cq == QETH_CQ_ENABLED) && | |
2990 | (skb->protocol != ETH_P_AF_IUCV)))) || | |
2991 | card->options.sniffer) | |
4a71df50 FB |
2992 | goto tx_drop; |
2993 | ||
2994 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
2995 | card->stats.tx_carrier_errors++; | |
2996 | goto tx_drop; | |
2997 | } | |
2998 | ||
2999 | if ((cast_type == RTN_BROADCAST) && | |
3000 | (card->info.broadcast_capable == 0)) | |
3001 | goto tx_drop; | |
3002 | ||
3003 | if (card->options.performance_stats) { | |
3004 | card->perf_stats.outbound_cnt++; | |
3005 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
3006 | } | |
3007 | ||
6204b47e | 3008 | large_send = skb_is_gso(skb); |
683d718a FB |
3009 | |
3010 | if ((card->info.type == QETH_CARD_TYPE_IQD) && (!large_send) && | |
3011 | (skb_shinfo(skb)->nr_frags == 0)) { | |
3012 | new_skb = skb; | |
b3332930 FB |
3013 | if (new_skb->protocol == ETH_P_AF_IUCV) |
3014 | data_offset = 0; | |
3015 | else | |
3016 | data_offset = ETH_HLEN; | |
683d718a FB |
3017 | hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); |
3018 | if (!hdr) | |
3019 | goto tx_drop; | |
3020 | elements_needed++; | |
3021 | } else { | |
3022 | /* create a clone with writeable headroom */ | |
3023 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) | |
3024 | + VLAN_HLEN); | |
3025 | if (!new_skb) | |
3026 | goto tx_drop; | |
3027 | } | |
4a71df50 FB |
3028 | |
3029 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
683d718a FB |
3030 | if (data_offset < 0) |
3031 | skb_pull(new_skb, ETH_HLEN); | |
4a71df50 | 3032 | } else { |
21fde749 | 3033 | if (ipv == 4) { |
4a71df50 FB |
3034 | if (card->dev->type == ARPHRD_IEEE802_TR) |
3035 | skb_pull(new_skb, TR_HLEN); | |
3036 | else | |
3037 | skb_pull(new_skb, ETH_HLEN); | |
3038 | } | |
3039 | ||
7ff0bcf6 | 3040 | if (ipv != 4 && vlan_tx_tag_present(new_skb)) { |
4a71df50 FB |
3041 | skb_push(new_skb, VLAN_HLEN); |
3042 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); | |
3043 | skb_copy_to_linear_data_offset(new_skb, 4, | |
3044 | new_skb->data + 8, 4); | |
3045 | skb_copy_to_linear_data_offset(new_skb, 8, | |
3046 | new_skb->data + 12, 4); | |
3047 | tag = (u16 *)(new_skb->data + 12); | |
3048 | *tag = __constant_htons(ETH_P_8021Q); | |
3049 | *(tag + 1) = htons(vlan_tx_tag_get(new_skb)); | |
4a71df50 FB |
3050 | } |
3051 | } | |
3052 | ||
3053 | netif_stop_queue(dev); | |
3054 | ||
4a71df50 | 3055 | /* fix hardware limitation: as long as we do not have sbal |
64ef8957 | 3056 | * chaining we can not send long frag lists |
4a71df50 | 3057 | */ |
6204b47e | 3058 | if (large_send) { |
c3b4a740 FB |
3059 | if (qeth_l3_tso_elements(new_skb) + 1 > 16) { |
3060 | if (skb_linearize(new_skb)) | |
3061 | goto tx_drop; | |
3062 | if (card->options.performance_stats) | |
3063 | card->perf_stats.tx_lin++; | |
3064 | } | |
64ef8957 | 3065 | } |
4a71df50 | 3066 | |
6204b47e | 3067 | if (large_send && (cast_type == RTN_UNSPEC)) { |
4a71df50 FB |
3068 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
3069 | sizeof(struct qeth_hdr_tso)); | |
3070 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | |
3071 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
3072 | qeth_tso_fill_header(card, hdr, new_skb); | |
3073 | elements_needed++; | |
3074 | } else { | |
683d718a FB |
3075 | if (data_offset < 0) { |
3076 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
4a71df50 | 3077 | sizeof(struct qeth_hdr)); |
683d718a FB |
3078 | qeth_l3_fill_header(card, hdr, new_skb, ipv, |
3079 | cast_type); | |
3080 | } else { | |
b3332930 FB |
3081 | if (new_skb->protocol == ETH_P_AF_IUCV) |
3082 | qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb); | |
3083 | else { | |
3084 | qeth_l3_fill_header(card, hdr, new_skb, ipv, | |
3085 | cast_type); | |
3086 | hdr->hdr.l3.length = new_skb->len - data_offset; | |
3087 | } | |
683d718a | 3088 | } |
f6b85b6c FB |
3089 | |
3090 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
3091 | qeth_l3_hdr_csum(card, hdr, new_skb); | |
4a71df50 FB |
3092 | } |
3093 | ||
64ef8957 | 3094 | elems = qeth_get_elements_no(card, (void *)hdr, new_skb, |
4a71df50 | 3095 | elements_needed); |
64ef8957 FB |
3096 | if (!elems) { |
3097 | if (data_offset >= 0) | |
3098 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3099 | goto tx_drop; | |
f61a0d05 | 3100 | } |
64ef8957 FB |
3101 | elements_needed += elems; |
3102 | nr_frags = skb_shinfo(new_skb)->nr_frags; | |
4a71df50 | 3103 | |
51aa165c FB |
3104 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
3105 | int len; | |
6204b47e | 3106 | if (large_send) |
51aa165c FB |
3107 | len = ((unsigned long)tcp_hdr(new_skb) + |
3108 | tcp_hdr(new_skb)->doff * 4) - | |
3109 | (unsigned long)new_skb->data; | |
3110 | else | |
3111 | len = sizeof(struct qeth_hdr_layer3); | |
3112 | ||
3113 | if (qeth_hdr_chk_and_bounce(new_skb, len)) | |
3114 | goto tx_drop; | |
4a71df50 | 3115 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
64ef8957 | 3116 | elements_needed); |
51aa165c | 3117 | } else |
4a71df50 | 3118 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
64ef8957 | 3119 | elements_needed, data_offset, 0); |
4a71df50 FB |
3120 | |
3121 | if (!rc) { | |
3122 | card->stats.tx_packets++; | |
3123 | card->stats.tx_bytes += tx_bytes; | |
3124 | if (new_skb != skb) | |
3125 | dev_kfree_skb_any(skb); | |
3126 | if (card->options.performance_stats) { | |
6204b47e | 3127 | if (large_send) { |
4a71df50 FB |
3128 | card->perf_stats.large_send_bytes += tx_bytes; |
3129 | card->perf_stats.large_send_cnt++; | |
3130 | } | |
64ef8957 | 3131 | if (nr_frags) { |
4a71df50 FB |
3132 | card->perf_stats.sg_skbs_sent++; |
3133 | /* nr_frags + skb->data */ | |
64ef8957 | 3134 | card->perf_stats.sg_frags_sent += nr_frags + 1; |
4a71df50 FB |
3135 | } |
3136 | } | |
ec634fe3 | 3137 | rc = NETDEV_TX_OK; |
4a71df50 | 3138 | } else { |
683d718a FB |
3139 | if (data_offset >= 0) |
3140 | kmem_cache_free(qeth_core_header_cache, hdr); | |
3141 | ||
4a71df50 FB |
3142 | if (rc == -EBUSY) { |
3143 | if (new_skb != skb) | |
3144 | dev_kfree_skb_any(new_skb); | |
3145 | return NETDEV_TX_BUSY; | |
3146 | } else | |
3147 | goto tx_drop; | |
3148 | } | |
3149 | ||
3150 | netif_wake_queue(dev); | |
3151 | if (card->options.performance_stats) | |
3152 | card->perf_stats.outbound_time += qeth_get_micros() - | |
3153 | card->perf_stats.outbound_start_time; | |
3154 | return rc; | |
3155 | ||
3156 | tx_drop: | |
3157 | card->stats.tx_dropped++; | |
3158 | card->stats.tx_errors++; | |
3159 | if ((new_skb != skb) && new_skb) | |
3160 | dev_kfree_skb_any(new_skb); | |
3161 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 3162 | netif_wake_queue(dev); |
4a71df50 FB |
3163 | return NETDEV_TX_OK; |
3164 | } | |
3165 | ||
39423440 | 3166 | static int __qeth_l3_open(struct net_device *dev) |
4a71df50 | 3167 | { |
509e2562 | 3168 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 3169 | int rc = 0; |
4a71df50 | 3170 | |
847a50fd | 3171 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
3172 | if (card->state == CARD_STATE_UP) |
3173 | return rc; | |
4a71df50 FB |
3174 | if (card->state != CARD_STATE_SOFTSETUP) |
3175 | return -ENODEV; | |
3176 | card->data.state = CH_STATE_UP; | |
3177 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
3178 | netif_start_queue(dev); |
3179 | ||
a1c3ed4c FB |
3180 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
3181 | napi_enable(&card->napi); | |
3182 | napi_schedule(&card->napi); | |
3183 | } else | |
3184 | rc = -EIO; | |
3185 | return rc; | |
4a71df50 FB |
3186 | } |
3187 | ||
39423440 UB |
3188 | static int qeth_l3_open(struct net_device *dev) |
3189 | { | |
3190 | struct qeth_card *card = dev->ml_priv; | |
3191 | ||
3192 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
3193 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
3194 | QETH_CARD_TEXT(card, 3, "openREC"); | |
3195 | return -ERESTARTSYS; | |
3196 | } | |
3197 | return __qeth_l3_open(dev); | |
3198 | } | |
3199 | ||
4a71df50 FB |
3200 | static int qeth_l3_stop(struct net_device *dev) |
3201 | { | |
509e2562 | 3202 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3203 | |
847a50fd | 3204 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 3205 | netif_tx_disable(dev); |
a1c3ed4c | 3206 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 3207 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
3208 | napi_disable(&card->napi); |
3209 | } | |
4a71df50 FB |
3210 | return 0; |
3211 | } | |
3212 | ||
c8f44aff MM |
3213 | static netdev_features_t qeth_l3_fix_features(struct net_device *dev, |
3214 | netdev_features_t features) | |
4a71df50 | 3215 | { |
509e2562 | 3216 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3217 | |
6204b47e MM |
3218 | if (!qeth_is_supported(card, IPA_OUTBOUND_CHECKSUM)) |
3219 | features &= ~NETIF_F_IP_CSUM; | |
3220 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) | |
3221 | features &= ~NETIF_F_TSO; | |
3222 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) | |
3223 | features &= ~NETIF_F_RXCSUM; | |
3224 | ||
3225 | return features; | |
4a71df50 FB |
3226 | } |
3227 | ||
c8f44aff MM |
3228 | static int qeth_l3_set_features(struct net_device *dev, |
3229 | netdev_features_t features) | |
4a71df50 | 3230 | { |
6204b47e MM |
3231 | struct qeth_card *card = dev->ml_priv; |
3232 | u32 changed = dev->features ^ features; | |
60a34277 | 3233 | int err; |
4a71df50 | 3234 | |
6204b47e MM |
3235 | if (!(changed & NETIF_F_RXCSUM)) |
3236 | return 0; | |
3237 | ||
60a34277 FB |
3238 | if (card->state == CARD_STATE_DOWN || |
3239 | card->state == CARD_STATE_RECOVER) | |
3240 | return 0; | |
3241 | ||
3242 | err = qeth_l3_set_rx_csum(card, features & NETIF_F_RXCSUM); | |
3243 | if (err) | |
3244 | dev->features = features ^ NETIF_F_RXCSUM; | |
4a71df50 | 3245 | |
60a34277 | 3246 | return err; |
4a71df50 FB |
3247 | } |
3248 | ||
0fc0b732 | 3249 | static const struct ethtool_ops qeth_l3_ethtool_ops = { |
4a71df50 | 3250 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
3251 | .get_strings = qeth_core_get_strings, |
3252 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 3253 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 3254 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 3255 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
3256 | }; |
3257 | ||
3258 | /* | |
3259 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
3260 | * NOARP on the netdevice is no option because it also turns off neighbor | |
3261 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
3262 | * arp resolution but we want the hard header (packet socket will work | |
3263 | * e.g. tcpdump) | |
3264 | */ | |
3265 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
3266 | { | |
3267 | n->nud_state = NUD_NOARP; | |
3268 | memcpy(n->ha, "FAKELL", 6); | |
3269 | n->output = n->ops->connected_output; | |
3270 | return 0; | |
3271 | } | |
3272 | ||
3273 | static int | |
3274 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
3275 | { | |
3276 | if (np->tbl->family == AF_INET) | |
3277 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
3278 | ||
3279 | return 0; | |
3280 | } | |
3281 | ||
3d58cefd | 3282 | static const struct net_device_ops qeth_l3_netdev_ops = { |
8403b13c FB |
3283 | .ndo_open = qeth_l3_open, |
3284 | .ndo_stop = qeth_l3_stop, | |
3285 | .ndo_get_stats = qeth_get_stats, | |
3286 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3287 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3288 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3289 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3290 | .ndo_change_mtu = qeth_change_mtu, | |
3291 | .ndo_fix_features = qeth_l3_fix_features, | |
3292 | .ndo_set_features = qeth_l3_set_features, | |
8403b13c FB |
3293 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3294 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3295 | .ndo_tx_timeout = qeth_tx_timeout, |
8403b13c FB |
3296 | }; |
3297 | ||
3d58cefd FB |
3298 | static const struct net_device_ops qeth_l3_osa_netdev_ops = { |
3299 | .ndo_open = qeth_l3_open, | |
3300 | .ndo_stop = qeth_l3_stop, | |
3301 | .ndo_get_stats = qeth_get_stats, | |
3302 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3303 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3304 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3305 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3306 | .ndo_change_mtu = qeth_change_mtu, | |
3307 | .ndo_fix_features = qeth_l3_fix_features, | |
3308 | .ndo_set_features = qeth_l3_set_features, | |
3d58cefd FB |
3309 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3310 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3311 | .ndo_tx_timeout = qeth_tx_timeout, |
3d58cefd FB |
3312 | .ndo_neigh_setup = qeth_l3_neigh_setup, |
3313 | }; | |
3314 | ||
4a71df50 FB |
3315 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
3316 | { | |
5113fec0 UB |
3317 | if (card->info.type == QETH_CARD_TYPE_OSD || |
3318 | card->info.type == QETH_CARD_TYPE_OSX) { | |
4a71df50 FB |
3319 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
3320 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { | |
3321 | #ifdef CONFIG_TR | |
3322 | card->dev = alloc_trdev(0); | |
3323 | #endif | |
3324 | if (!card->dev) | |
3325 | return -ENODEV; | |
3d58cefd | 3326 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
4a71df50 FB |
3327 | } else { |
3328 | card->dev = alloc_etherdev(0); | |
3329 | if (!card->dev) | |
3330 | return -ENODEV; | |
3d58cefd | 3331 | card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; |
4a71df50 FB |
3332 | |
3333 | /*IPv6 address autoconfiguration stuff*/ | |
3334 | qeth_l3_get_unique_id(card); | |
3335 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
3336 | card->dev->dev_id = card->info.unique_id & | |
3337 | 0xffff; | |
c5e631a8 FB |
3338 | if (!card->info.guestlan) { |
3339 | card->dev->hw_features = NETIF_F_SG | | |
3340 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | | |
3341 | NETIF_F_TSO; | |
3342 | card->dev->features = NETIF_F_RXCSUM; | |
3343 | } | |
4a71df50 FB |
3344 | } |
3345 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { | |
3346 | card->dev = alloc_netdev(0, "hsi%d", ether_setup); | |
3347 | if (!card->dev) | |
3348 | return -ENODEV; | |
3349 | card->dev->flags |= IFF_NOARP; | |
3d58cefd | 3350 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
4a71df50 | 3351 | qeth_l3_iqd_read_initial_mac(card); |
b3332930 FB |
3352 | if (card->options.hsuid[0]) |
3353 | memcpy(card->dev->perm_addr, card->options.hsuid, 9); | |
4a71df50 FB |
3354 | } else |
3355 | return -ENODEV; | |
3356 | ||
509e2562 | 3357 | card->dev->ml_priv = card; |
4a71df50 | 3358 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
4a71df50 FB |
3359 | card->dev->mtu = card->info.initial_mtu; |
3360 | SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops); | |
3361 | card->dev->features |= NETIF_F_HW_VLAN_TX | | |
3362 | NETIF_F_HW_VLAN_RX | | |
3363 | NETIF_F_HW_VLAN_FILTER; | |
86d15cd8 | 3364 | card->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; |
c3b4a740 | 3365 | card->dev->gso_max_size = 15 * PAGE_SIZE; |
4a71df50 FB |
3366 | |
3367 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 3368 | netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT); |
4a71df50 FB |
3369 | return register_netdev(card->dev); |
3370 | } | |
3371 | ||
4a71df50 FB |
3372 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
3373 | { | |
3374 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3375 | ||
3376 | qeth_l3_create_device_attributes(&gdev->dev); | |
3377 | card->options.layer2 = 0; | |
1da74b1c | 3378 | card->info.hwtrap = 0; |
a1c3ed4c | 3379 | card->discipline.start_poll = qeth_qdio_start_poll; |
4a71df50 | 3380 | card->discipline.input_handler = (qdio_handler_t *) |
a1c3ed4c | 3381 | qeth_qdio_input_handler; |
4a71df50 FB |
3382 | card->discipline.output_handler = (qdio_handler_t *) |
3383 | qeth_qdio_output_handler; | |
3384 | card->discipline.recover = qeth_l3_recover; | |
3385 | return 0; | |
3386 | } | |
3387 | ||
3388 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
3389 | { | |
3390 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3391 | ||
9dc48ccc UB |
3392 | qeth_l3_remove_device_attributes(&cgdev->dev); |
3393 | ||
f2148565 | 3394 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
3395 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
3396 | ||
70919e23 | 3397 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 3398 | qeth_l3_set_offline(cgdev); |
4a71df50 FB |
3399 | |
3400 | if (card->dev) { | |
3401 | unregister_netdev(card->dev); | |
3402 | card->dev = NULL; | |
3403 | } | |
3404 | ||
70919e23 | 3405 | qeth_l3_clear_ip_list(card, 0); |
4a71df50 FB |
3406 | qeth_l3_clear_ipato_list(card); |
3407 | return; | |
3408 | } | |
3409 | ||
3410 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
3411 | { | |
3412 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3413 | int rc = 0; | |
3414 | enum qeth_card_states recover_flag; | |
3415 | ||
3416 | BUG_ON(!card); | |
9dc48ccc | 3417 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3418 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3419 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
3420 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 3421 | |
4a71df50 | 3422 | recover_flag = card->state; |
4a71df50 FB |
3423 | rc = qeth_core_hardsetup_card(card); |
3424 | if (rc) { | |
d11ba0c4 | 3425 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
aa909224 | 3426 | rc = -ENODEV; |
4a71df50 FB |
3427 | goto out_remove; |
3428 | } | |
3429 | ||
aa909224 UB |
3430 | if (!card->dev && qeth_l3_setup_netdev(card)) { |
3431 | rc = -ENODEV; | |
4a71df50 | 3432 | goto out_remove; |
aa909224 | 3433 | } |
4a71df50 | 3434 | |
1da74b1c FB |
3435 | if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { |
3436 | if (card->info.hwtrap && | |
3437 | qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) | |
3438 | card->info.hwtrap = 0; | |
3439 | } else | |
3440 | card->info.hwtrap = 0; | |
3441 | ||
4a71df50 | 3442 | card->state = CARD_STATE_HARDSETUP; |
a1c3ed4c | 3443 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
3444 | qeth_print_status_message(card); |
3445 | ||
3446 | /* softsetup */ | |
d11ba0c4 | 3447 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
3448 | |
3449 | rc = qeth_send_startlan(card); | |
3450 | if (rc) { | |
d11ba0c4 | 3451 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 3452 | if (rc == 0xe080) { |
74eacdb9 FB |
3453 | dev_warn(&card->gdev->dev, |
3454 | "The LAN is offline\n"); | |
4a71df50 | 3455 | card->lan_online = 0; |
2b6203bb | 3456 | goto contin; |
4a71df50 | 3457 | } |
aa909224 | 3458 | rc = -ENODEV; |
f2148565 | 3459 | goto out_remove; |
4a71df50 FB |
3460 | } else |
3461 | card->lan_online = 1; | |
4a71df50 | 3462 | |
2b6203bb | 3463 | contin: |
4a71df50 FB |
3464 | rc = qeth_l3_setadapter_parms(card); |
3465 | if (rc) | |
d11ba0c4 | 3466 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
76b11f8e UB |
3467 | if (!card->options.sniffer) { |
3468 | rc = qeth_l3_start_ipassists(card); | |
3469 | if (rc) | |
3470 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); | |
76b11f8e UB |
3471 | rc = qeth_l3_setrouting_v4(card); |
3472 | if (rc) | |
3473 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); | |
3474 | rc = qeth_l3_setrouting_v6(card); | |
3475 | if (rc) | |
3476 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); | |
3477 | } | |
4a71df50 FB |
3478 | netif_tx_disable(card->dev); |
3479 | ||
3480 | rc = qeth_init_qdio_queues(card); | |
3481 | if (rc) { | |
d11ba0c4 | 3482 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 3483 | rc = -ENODEV; |
4a71df50 FB |
3484 | goto out_remove; |
3485 | } | |
3486 | card->state = CARD_STATE_SOFTSETUP; | |
4a71df50 FB |
3487 | |
3488 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
e8069040 | 3489 | qeth_l3_set_ip_addr_list(card); |
2b6203bb UB |
3490 | if (card->lan_online) |
3491 | netif_carrier_on(card->dev); | |
3492 | else | |
3493 | netif_carrier_off(card->dev); | |
8af7c5ae | 3494 | if (recover_flag == CARD_STATE_RECOVER) { |
4763b0a0 | 3495 | rtnl_lock(); |
8af7c5ae | 3496 | if (recovery_mode) |
39423440 | 3497 | __qeth_l3_open(card->dev); |
4763b0a0 | 3498 | else |
8af7c5ae | 3499 | dev_open(card->dev); |
8af7c5ae | 3500 | qeth_l3_set_multicast_list(card->dev); |
4763b0a0 | 3501 | rtnl_unlock(); |
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); |
72861ae7 EL |
3547 | if ((card->options.cq == QETH_CQ_ENABLED) && card->dev) { |
3548 | rtnl_lock(); | |
3549 | call_netdevice_notifiers(NETDEV_REBOOT, card->dev); | |
3550 | rtnl_unlock(); | |
3551 | } | |
4a71df50 FB |
3552 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
3553 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
3554 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
3555 | if (!rc) | |
3556 | rc = (rc2) ? rc2 : rc3; | |
3557 | if (rc) | |
d11ba0c4 | 3558 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 FB |
3559 | if (recover_flag == CARD_STATE_UP) |
3560 | card->state = CARD_STATE_RECOVER; | |
3561 | /* let user_space know that device is offline */ | |
3562 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3563 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3564 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3565 | return 0; |
3566 | } | |
3567 | ||
3568 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) | |
3569 | { | |
3570 | return __qeth_l3_set_offline(cgdev, 0); | |
3571 | } | |
3572 | ||
3573 | static int qeth_l3_recover(void *ptr) | |
3574 | { | |
3575 | struct qeth_card *card; | |
3576 | int rc = 0; | |
3577 | ||
3578 | card = (struct qeth_card *) ptr; | |
847a50fd CO |
3579 | QETH_CARD_TEXT(card, 2, "recover1"); |
3580 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3581 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
3582 | return 0; | |
847a50fd | 3583 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
3584 | dev_warn(&card->gdev->dev, |
3585 | "A recovery process has been started for the device\n"); | |
4a71df50 FB |
3586 | __qeth_l3_set_offline(card->gdev, 1); |
3587 | rc = __qeth_l3_set_online(card->gdev, 1); | |
4a71df50 | 3588 | if (!rc) |
74eacdb9 FB |
3589 | dev_info(&card->gdev->dev, |
3590 | "Device successfully recovered!\n"); | |
28a7e4c9 UB |
3591 | else { |
3592 | rtnl_lock(); | |
3593 | dev_close(card->dev); | |
3594 | rtnl_unlock(); | |
74eacdb9 FB |
3595 | dev_warn(&card->gdev->dev, "The qeth device driver " |
3596 | "failed to recover an error on the device\n"); | |
28a7e4c9 | 3597 | } |
a1c3ed4c FB |
3598 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
3599 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
3600 | return 0; |
3601 | } | |
3602 | ||
3603 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) | |
3604 | { | |
3605 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
f78ac2bb | 3606 | qeth_set_allowed_threads(card, 0, 1); |
1da74b1c FB |
3607 | if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) |
3608 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
4a71df50 FB |
3609 | qeth_qdio_clear_card(card, 0); |
3610 | qeth_clear_qdio_buffers(card); | |
3611 | } | |
3612 | ||
bbcfcdc8 FB |
3613 | static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) |
3614 | { | |
3615 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3616 | ||
3617 | if (card->dev) | |
3618 | netif_device_detach(card->dev); | |
3619 | qeth_set_allowed_threads(card, 0, 1); | |
3620 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
3621 | if (gdev->state == CCWGROUP_OFFLINE) | |
3622 | return 0; | |
3623 | if (card->state == CARD_STATE_UP) { | |
1da74b1c FB |
3624 | if (card->info.hwtrap) |
3625 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
bbcfcdc8 FB |
3626 | __qeth_l3_set_offline(card->gdev, 1); |
3627 | } else | |
3628 | __qeth_l3_set_offline(card->gdev, 0); | |
3629 | return 0; | |
3630 | } | |
3631 | ||
3632 | static int qeth_l3_pm_resume(struct ccwgroup_device *gdev) | |
3633 | { | |
3634 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3635 | int rc = 0; | |
3636 | ||
3637 | if (gdev->state == CCWGROUP_OFFLINE) | |
3638 | goto out; | |
3639 | ||
3640 | if (card->state == CARD_STATE_RECOVER) { | |
3641 | rc = __qeth_l3_set_online(card->gdev, 1); | |
3642 | if (rc) { | |
869da90b UB |
3643 | rtnl_lock(); |
3644 | dev_close(card->dev); | |
3645 | rtnl_unlock(); | |
bbcfcdc8 FB |
3646 | } |
3647 | } else | |
3648 | rc = __qeth_l3_set_online(card->gdev, 0); | |
3649 | out: | |
3650 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
3651 | if (card->dev) | |
3652 | netif_device_attach(card->dev); | |
3653 | if (rc) | |
3654 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
3655 | "failed to recover an error on the device\n"); | |
3656 | return rc; | |
3657 | } | |
3658 | ||
4a71df50 FB |
3659 | struct ccwgroup_driver qeth_l3_ccwgroup_driver = { |
3660 | .probe = qeth_l3_probe_device, | |
3661 | .remove = qeth_l3_remove_device, | |
3662 | .set_online = qeth_l3_set_online, | |
3663 | .set_offline = qeth_l3_set_offline, | |
3664 | .shutdown = qeth_l3_shutdown, | |
bbcfcdc8 FB |
3665 | .freeze = qeth_l3_pm_suspend, |
3666 | .thaw = qeth_l3_pm_resume, | |
3667 | .restore = qeth_l3_pm_resume, | |
4a71df50 FB |
3668 | }; |
3669 | EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver); | |
3670 | ||
3671 | static int qeth_l3_ip_event(struct notifier_block *this, | |
76fef2b6 | 3672 | unsigned long event, void *ptr) |
4a71df50 FB |
3673 | { |
3674 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; | |
3675 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; | |
3676 | struct qeth_ipaddr *addr; | |
3677 | struct qeth_card *card; | |
3678 | ||
c346dca1 | 3679 | if (dev_net(dev) != &init_net) |
76fef2b6 DM |
3680 | return NOTIFY_DONE; |
3681 | ||
4a71df50 | 3682 | card = qeth_l3_get_card_from_dev(dev); |
847a50fd | 3683 | QETH_CARD_TEXT(card, 3, "ipevent"); |
4a71df50 FB |
3684 | if (!card) |
3685 | return NOTIFY_DONE; | |
3686 | ||
3687 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
3688 | if (addr != NULL) { | |
3689 | addr->u.a4.addr = ifa->ifa_address; | |
3690 | addr->u.a4.mask = ifa->ifa_mask; | |
3691 | addr->type = QETH_IP_TYPE_NORMAL; | |
3692 | } else | |
3693 | goto out; | |
3694 | ||
3695 | switch (event) { | |
3696 | case NETDEV_UP: | |
3697 | if (!qeth_l3_add_ip(card, addr)) | |
3698 | kfree(addr); | |
3699 | break; | |
3700 | case NETDEV_DOWN: | |
3701 | if (!qeth_l3_delete_ip(card, addr)) | |
3702 | kfree(addr); | |
3703 | break; | |
3704 | default: | |
3705 | break; | |
3706 | } | |
3707 | qeth_l3_set_ip_addr_list(card); | |
3708 | out: | |
3709 | return NOTIFY_DONE; | |
3710 | } | |
3711 | ||
3712 | static struct notifier_block qeth_l3_ip_notifier = { | |
3713 | qeth_l3_ip_event, | |
3714 | NULL, | |
3715 | }; | |
3716 | ||
3717 | #ifdef CONFIG_QETH_IPV6 | |
3718 | /** | |
3719 | * IPv6 event handler | |
3720 | */ | |
3721 | static int qeth_l3_ip6_event(struct notifier_block *this, | |
76fef2b6 | 3722 | unsigned long event, void *ptr) |
4a71df50 FB |
3723 | { |
3724 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
3725 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
3726 | struct qeth_ipaddr *addr; | |
3727 | struct qeth_card *card; | |
3728 | ||
4a71df50 FB |
3729 | card = qeth_l3_get_card_from_dev(dev); |
3730 | if (!card) | |
3731 | return NOTIFY_DONE; | |
847a50fd | 3732 | QETH_CARD_TEXT(card, 3, "ip6event"); |
4a71df50 FB |
3733 | if (!qeth_is_supported(card, IPA_IPV6)) |
3734 | return NOTIFY_DONE; | |
3735 | ||
3736 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
3737 | if (addr != NULL) { | |
3738 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); | |
3739 | addr->u.a6.pfxlen = ifa->prefix_len; | |
3740 | addr->type = QETH_IP_TYPE_NORMAL; | |
3741 | } else | |
3742 | goto out; | |
3743 | ||
3744 | switch (event) { | |
3745 | case NETDEV_UP: | |
3746 | if (!qeth_l3_add_ip(card, addr)) | |
3747 | kfree(addr); | |
3748 | break; | |
3749 | case NETDEV_DOWN: | |
3750 | if (!qeth_l3_delete_ip(card, addr)) | |
3751 | kfree(addr); | |
3752 | break; | |
3753 | default: | |
3754 | break; | |
3755 | } | |
3756 | qeth_l3_set_ip_addr_list(card); | |
3757 | out: | |
3758 | return NOTIFY_DONE; | |
3759 | } | |
3760 | ||
3761 | static struct notifier_block qeth_l3_ip6_notifier = { | |
3762 | qeth_l3_ip6_event, | |
3763 | NULL, | |
3764 | }; | |
3765 | #endif | |
3766 | ||
3767 | static int qeth_l3_register_notifiers(void) | |
3768 | { | |
3769 | int rc; | |
3770 | ||
847a50fd | 3771 | QETH_DBF_TEXT(SETUP, 5, "regnotif"); |
4a71df50 FB |
3772 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
3773 | if (rc) | |
3774 | return rc; | |
3775 | #ifdef CONFIG_QETH_IPV6 | |
3776 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); | |
3777 | if (rc) { | |
3778 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
3779 | return rc; | |
3780 | } | |
3781 | #else | |
74eacdb9 | 3782 | pr_warning("There is no IPv6 support for the layer 3 discipline\n"); |
4a71df50 FB |
3783 | #endif |
3784 | return 0; | |
3785 | } | |
3786 | ||
3787 | static void qeth_l3_unregister_notifiers(void) | |
3788 | { | |
3789 | ||
847a50fd | 3790 | QETH_DBF_TEXT(SETUP, 5, "unregnot"); |
4a71df50 FB |
3791 | BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
3792 | #ifdef CONFIG_QETH_IPV6 | |
3793 | BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); | |
3794 | #endif /* QETH_IPV6 */ | |
3795 | } | |
3796 | ||
3797 | static int __init qeth_l3_init(void) | |
3798 | { | |
3799 | int rc = 0; | |
3800 | ||
74eacdb9 | 3801 | pr_info("register layer 3 discipline\n"); |
4a71df50 FB |
3802 | rc = qeth_l3_register_notifiers(); |
3803 | return rc; | |
3804 | } | |
3805 | ||
3806 | static void __exit qeth_l3_exit(void) | |
3807 | { | |
3808 | qeth_l3_unregister_notifiers(); | |
74eacdb9 | 3809 | pr_info("unregister layer 3 discipline\n"); |
4a71df50 FB |
3810 | } |
3811 | ||
3812 | module_init(qeth_l3_init); | |
3813 | module_exit(qeth_l3_exit); | |
3814 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
3815 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
3816 | MODULE_LICENSE("GPL"); |