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Commit | Line | Data |
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4a71df50 | 1 | /* |
bbcfcdc8 | 2 | * Copyright IBM Corp. 2007, 2009 |
4a71df50 FB |
3 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
4 | * Frank Pavlic <fpavlic@de.ibm.com>, | |
5 | * Thomas Spatzier <tspat@de.ibm.com>, | |
6 | * Frank Blaschka <frank.blaschka@de.ibm.com> | |
7 | */ | |
8 | ||
74eacdb9 FB |
9 | #define KMSG_COMPONENT "qeth" |
10 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt | |
11 | ||
4a71df50 FB |
12 | #include <linux/module.h> |
13 | #include <linux/moduleparam.h> | |
7ff0bcf6 | 14 | #include <linux/bitops.h> |
4a71df50 FB |
15 | #include <linux/string.h> |
16 | #include <linux/errno.h> | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/etherdevice.h> | |
19 | #include <linux/mii.h> | |
20 | #include <linux/ip.h> | |
64ef8957 | 21 | #include <linux/ipv6.h> |
4a71df50 FB |
22 | #include <linux/inetdevice.h> |
23 | #include <linux/igmp.h> | |
5a0e3ad6 | 24 | #include <linux/slab.h> |
7ff0bcf6 | 25 | #include <linux/if_vlan.h> |
4a71df50 FB |
26 | |
27 | #include <net/ip.h> | |
28 | #include <net/arp.h> | |
87e7597b DM |
29 | #include <net/route.h> |
30 | #include <net/ip6_fib.h> | |
64ef8957 | 31 | #include <net/ip6_checksum.h> |
b3332930 | 32 | #include <net/iucv/af_iucv.h> |
5f78e29c | 33 | #include <linux/hashtable.h> |
4a71df50 | 34 | |
4a71df50 | 35 | #include "qeth_l3.h" |
4a71df50 | 36 | |
d0ddf30f | 37 | |
4a71df50 FB |
38 | static int qeth_l3_set_offline(struct ccwgroup_device *); |
39 | static int qeth_l3_recover(void *); | |
40 | static int qeth_l3_stop(struct net_device *); | |
41 | static void qeth_l3_set_multicast_list(struct net_device *); | |
42 | static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *); | |
43 | static int qeth_l3_register_addr_entry(struct qeth_card *, | |
44 | struct qeth_ipaddr *); | |
45 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, | |
46 | struct qeth_ipaddr *); | |
47 | static int __qeth_l3_set_online(struct ccwgroup_device *, int); | |
48 | static int __qeth_l3_set_offline(struct ccwgroup_device *, int); | |
49 | ||
4a71df50 FB |
50 | static int qeth_l3_isxdigit(char *buf) |
51 | { | |
52 | while (*buf) { | |
53 | if (!isxdigit(*buf++)) | |
54 | return 0; | |
55 | } | |
56 | return 1; | |
57 | } | |
58 | ||
56530d68 | 59 | static void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) |
4a71df50 | 60 | { |
5f78e29c | 61 | sprintf(buf, "%pI4", addr); |
4a71df50 FB |
62 | } |
63 | ||
56530d68 | 64 | static int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) |
4a71df50 FB |
65 | { |
66 | int count = 0, rc = 0; | |
a68be015 | 67 | unsigned int in[4]; |
4a71df50 FB |
68 | char c; |
69 | ||
70 | rc = sscanf(buf, "%u.%u.%u.%u%c", | |
71 | &in[0], &in[1], &in[2], &in[3], &c); | |
72 | if (rc != 4 && (rc != 5 || c != '\n')) | |
73 | return -EINVAL; | |
74 | for (count = 0; count < 4; count++) { | |
75 | if (in[count] > 255) | |
76 | return -EINVAL; | |
77 | addr[count] = in[count]; | |
78 | } | |
79 | return 0; | |
80 | } | |
81 | ||
56530d68 | 82 | static void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) |
4a71df50 | 83 | { |
963a9fd2 | 84 | sprintf(buf, "%pI6", addr); |
4a71df50 FB |
85 | } |
86 | ||
56530d68 | 87 | static int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) |
4a71df50 FB |
88 | { |
89 | const char *end, *end_tmp, *start; | |
90 | __u16 *in; | |
91 | char num[5]; | |
92 | int num2, cnt, out, found, save_cnt; | |
93 | unsigned short in_tmp[8] = {0, }; | |
94 | ||
95 | cnt = out = found = save_cnt = num2 = 0; | |
96 | end = start = buf; | |
97 | in = (__u16 *) addr; | |
98 | memset(in, 0, 16); | |
99 | while (*end) { | |
100 | end = strchr(start, ':'); | |
101 | if (end == NULL) { | |
102 | end = buf + strlen(buf); | |
103 | end_tmp = strchr(start, '\n'); | |
104 | if (end_tmp != NULL) | |
105 | end = end_tmp; | |
106 | out = 1; | |
107 | } | |
108 | if ((end - start)) { | |
109 | memset(num, 0, 5); | |
110 | if ((end - start) > 4) | |
111 | return -EINVAL; | |
112 | memcpy(num, start, end - start); | |
113 | if (!qeth_l3_isxdigit(num)) | |
114 | return -EINVAL; | |
115 | sscanf(start, "%x", &num2); | |
116 | if (found) | |
117 | in_tmp[save_cnt++] = num2; | |
118 | else | |
119 | in[cnt++] = num2; | |
120 | if (out) | |
121 | break; | |
122 | } else { | |
123 | if (found) | |
124 | return -EINVAL; | |
125 | found = 1; | |
126 | } | |
127 | start = ++end; | |
128 | } | |
129 | if (cnt + save_cnt > 8) | |
130 | return -EINVAL; | |
131 | cnt = 7; | |
132 | while (save_cnt) | |
133 | in[cnt--] = in_tmp[--save_cnt]; | |
134 | return 0; | |
135 | } | |
136 | ||
137 | void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, | |
138 | char *buf) | |
139 | { | |
140 | if (proto == QETH_PROT_IPV4) | |
141 | qeth_l3_ipaddr4_to_string(addr, buf); | |
142 | else if (proto == QETH_PROT_IPV6) | |
143 | qeth_l3_ipaddr6_to_string(addr, buf); | |
144 | } | |
145 | ||
146 | int qeth_l3_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, | |
147 | __u8 *addr) | |
148 | { | |
149 | if (proto == QETH_PROT_IPV4) | |
150 | return qeth_l3_string_to_ipaddr4(buf, addr); | |
151 | else if (proto == QETH_PROT_IPV6) | |
152 | return qeth_l3_string_to_ipaddr6(buf, addr); | |
153 | else | |
154 | return -EINVAL; | |
155 | } | |
156 | ||
157 | static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) | |
158 | { | |
159 | int i, j; | |
160 | u8 octet; | |
161 | ||
162 | for (i = 0; i < len; ++i) { | |
163 | octet = addr[i]; | |
164 | for (j = 7; j >= 0; --j) { | |
165 | bits[i*8 + j] = octet & 1; | |
166 | octet >>= 1; | |
167 | } | |
168 | } | |
169 | } | |
170 | ||
6298263a | 171 | int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, |
4a71df50 FB |
172 | struct qeth_ipaddr *addr) |
173 | { | |
174 | struct qeth_ipato_entry *ipatoe; | |
175 | u8 addr_bits[128] = {0, }; | |
176 | u8 ipatoe_bits[128] = {0, }; | |
177 | int rc = 0; | |
178 | ||
179 | if (!card->ipato.enabled) | |
180 | return 0; | |
181 | ||
182 | qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits, | |
183 | (addr->proto == QETH_PROT_IPV4)? 4:16); | |
184 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { | |
185 | if (addr->proto != ipatoe->proto) | |
186 | continue; | |
187 | qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, | |
188 | (ipatoe->proto == QETH_PROT_IPV4) ? | |
189 | 4 : 16); | |
190 | if (addr->proto == QETH_PROT_IPV4) | |
191 | rc = !memcmp(addr_bits, ipatoe_bits, | |
192 | min(32, ipatoe->mask_bits)); | |
193 | else | |
194 | rc = !memcmp(addr_bits, ipatoe_bits, | |
195 | min(128, ipatoe->mask_bits)); | |
196 | if (rc) | |
197 | break; | |
198 | } | |
199 | /* invert? */ | |
200 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) | |
201 | rc = !rc; | |
202 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) | |
203 | rc = !rc; | |
204 | ||
205 | return rc; | |
206 | } | |
207 | ||
5f78e29c LD |
208 | inline int |
209 | qeth_l3_ipaddrs_is_equal(struct qeth_ipaddr *addr1, struct qeth_ipaddr *addr2) | |
4a71df50 | 210 | { |
5f78e29c LD |
211 | return addr1->proto == addr2->proto && |
212 | !memcmp(&addr1->u, &addr2->u, sizeof(addr1->u)) && | |
213 | !memcmp(&addr1->mac, &addr2->mac, sizeof(addr1->mac)); | |
214 | } | |
4a71df50 | 215 | |
5f78e29c LD |
216 | static struct qeth_ipaddr * |
217 | qeth_l3_ip_from_hash(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) | |
218 | { | |
219 | struct qeth_ipaddr *addr; | |
220 | ||
221 | if (tmp_addr->is_multicast) { | |
222 | hash_for_each_possible(card->ip_mc_htable, addr, | |
223 | hnode, qeth_l3_ipaddr_hash(tmp_addr)) | |
224 | if (qeth_l3_ipaddrs_is_equal(tmp_addr, addr)) | |
225 | return addr; | |
4a71df50 | 226 | } else { |
5f78e29c LD |
227 | hash_for_each_possible(card->ip_htable, addr, |
228 | hnode, qeth_l3_ipaddr_hash(tmp_addr)) | |
229 | if (qeth_l3_ipaddrs_is_equal(tmp_addr, addr)) | |
230 | return addr; | |
4a71df50 | 231 | } |
5f78e29c LD |
232 | |
233 | return NULL; | |
4a71df50 FB |
234 | } |
235 | ||
5f78e29c | 236 | int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) |
4a71df50 | 237 | { |
4a71df50 | 238 | int rc = 0; |
5f78e29c | 239 | struct qeth_ipaddr *addr; |
4a71df50 | 240 | |
847a50fd | 241 | QETH_CARD_TEXT(card, 4, "delip"); |
4a71df50 | 242 | |
5f78e29c LD |
243 | if (tmp_addr->proto == QETH_PROT_IPV4) |
244 | QETH_CARD_HEX(card, 4, &tmp_addr->u.a4.addr, 4); | |
4a71df50 | 245 | else { |
5f78e29c LD |
246 | QETH_CARD_HEX(card, 4, &tmp_addr->u.a6.addr, 8); |
247 | QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8); | |
4a71df50 | 248 | } |
5f78e29c LD |
249 | |
250 | addr = qeth_l3_ip_from_hash(card, tmp_addr); | |
251 | if (!addr) | |
252 | return -ENOENT; | |
253 | ||
254 | addr->ref_counter--; | |
255 | if (addr->type == QETH_IP_TYPE_NORMAL && addr->ref_counter > 0) | |
256 | return rc; | |
257 | if (addr->in_progress) | |
258 | return -EINPROGRESS; | |
259 | ||
a7531c1c UB |
260 | if (!qeth_card_hw_is_reachable(card)) { |
261 | addr->disp_flag = QETH_DISP_ADDR_DELETE; | |
262 | return 0; | |
263 | } | |
264 | ||
5f78e29c LD |
265 | rc = qeth_l3_deregister_addr_entry(card, addr); |
266 | ||
267 | hash_del(&addr->hnode); | |
268 | kfree(addr); | |
269 | ||
4a71df50 FB |
270 | return rc; |
271 | } | |
272 | ||
5f78e29c | 273 | int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) |
4a71df50 | 274 | { |
4a71df50 | 275 | int rc = 0; |
5f78e29c | 276 | struct qeth_ipaddr *addr; |
4a71df50 | 277 | |
847a50fd | 278 | QETH_CARD_TEXT(card, 4, "addip"); |
5f78e29c LD |
279 | |
280 | if (tmp_addr->proto == QETH_PROT_IPV4) | |
281 | QETH_CARD_HEX(card, 4, &tmp_addr->u.a4.addr, 4); | |
4a71df50 | 282 | else { |
5f78e29c LD |
283 | QETH_CARD_HEX(card, 4, &tmp_addr->u.a6.addr, 8); |
284 | QETH_CARD_HEX(card, 4, ((char *)&tmp_addr->u.a6.addr) + 8, 8); | |
285 | } | |
286 | ||
287 | addr = qeth_l3_ip_from_hash(card, tmp_addr); | |
288 | if (!addr) { | |
289 | addr = qeth_l3_get_addr_buffer(tmp_addr->proto); | |
290 | if (!addr) | |
291 | return -ENOMEM; | |
292 | ||
293 | memcpy(addr, tmp_addr, sizeof(struct qeth_ipaddr)); | |
294 | addr->ref_counter = 1; | |
295 | ||
296 | if (addr->type == QETH_IP_TYPE_NORMAL && | |
297 | qeth_l3_is_addr_covered_by_ipato(card, addr)) { | |
298 | QETH_CARD_TEXT(card, 2, "tkovaddr"); | |
299 | addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; | |
300 | } | |
301 | hash_add(card->ip_htable, &addr->hnode, | |
302 | qeth_l3_ipaddr_hash(addr)); | |
303 | ||
a7531c1c UB |
304 | if (!qeth_card_hw_is_reachable(card)) { |
305 | addr->disp_flag = QETH_DISP_ADDR_ADD; | |
306 | return 0; | |
307 | } | |
308 | ||
5f78e29c LD |
309 | /* qeth_l3_register_addr_entry can go to sleep |
310 | * if we add a IPV4 addr. It is caused by the reason | |
311 | * that SETIP ipa cmd starts ARP staff for IPV4 addr. | |
312 | * Thus we should unlock spinlock, and make a protection | |
313 | * using in_progress variable to indicate that there is | |
314 | * an hardware operation with this IPV4 address | |
315 | */ | |
316 | if (addr->proto == QETH_PROT_IPV4) { | |
317 | addr->in_progress = 1; | |
318 | spin_unlock_bh(&card->ip_lock); | |
319 | rc = qeth_l3_register_addr_entry(card, addr); | |
320 | spin_lock_bh(&card->ip_lock); | |
321 | addr->in_progress = 0; | |
322 | } else | |
323 | rc = qeth_l3_register_addr_entry(card, addr); | |
324 | ||
325 | if (!rc || (rc == IPA_RC_DUPLICATE_IP_ADDRESS) || | |
326 | (rc == IPA_RC_LAN_OFFLINE)) { | |
327 | addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING; | |
328 | if (addr->ref_counter < 1) { | |
329 | qeth_l3_delete_ip(card, addr); | |
330 | kfree(addr); | |
331 | } | |
332 | } else { | |
333 | hash_del(&addr->hnode); | |
334 | kfree(addr); | |
335 | } | |
336 | } else { | |
337 | if (addr->type == QETH_IP_TYPE_NORMAL) | |
338 | addr->ref_counter++; | |
4a71df50 | 339 | } |
5f78e29c | 340 | |
4a71df50 FB |
341 | return rc; |
342 | } | |
343 | ||
344 | ||
b3332930 | 345 | struct qeth_ipaddr *qeth_l3_get_addr_buffer( |
4a71df50 FB |
346 | enum qeth_prot_versions prot) |
347 | { | |
348 | struct qeth_ipaddr *addr; | |
349 | ||
350 | addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); | |
5f78e29c | 351 | if (!addr) |
4a71df50 | 352 | return NULL; |
5f78e29c | 353 | |
4a71df50 | 354 | addr->type = QETH_IP_TYPE_NORMAL; |
5f78e29c | 355 | addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING; |
4a71df50 | 356 | addr->proto = prot; |
4a71df50 | 357 | |
5f78e29c | 358 | return addr; |
4a71df50 FB |
359 | } |
360 | ||
5f78e29c | 361 | static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover) |
4a71df50 FB |
362 | { |
363 | struct qeth_ipaddr *addr; | |
5f78e29c LD |
364 | struct hlist_node *tmp; |
365 | int i; | |
4a71df50 | 366 | |
5f78e29c | 367 | QETH_CARD_TEXT(card, 4, "clearip"); |
4a71df50 | 368 | |
5f78e29c | 369 | if (recover && card->options.sniffer) |
76b11f8e | 370 | return; |
f154b79c | 371 | |
5f78e29c LD |
372 | spin_lock_bh(&card->ip_lock); |
373 | ||
374 | hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) { | |
375 | if (!recover) { | |
376 | hash_del(&addr->hnode); | |
377 | kfree(addr); | |
4a71df50 FB |
378 | continue; |
379 | } | |
5f78e29c | 380 | addr->disp_flag = QETH_DISP_ADDR_ADD; |
4a71df50 | 381 | } |
4a71df50 | 382 | |
5f78e29c | 383 | spin_unlock_bh(&card->ip_lock); |
4a71df50 | 384 | |
5f78e29c LD |
385 | spin_lock_bh(&card->mclock); |
386 | ||
387 | hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) { | |
388 | hash_del(&addr->hnode); | |
4a71df50 FB |
389 | kfree(addr); |
390 | } | |
391 | ||
5f78e29c LD |
392 | spin_unlock_bh(&card->mclock); |
393 | ||
4a71df50 | 394 | |
5f78e29c LD |
395 | } |
396 | static void qeth_l3_recover_ip(struct qeth_card *card) | |
4a71df50 | 397 | { |
5f78e29c LD |
398 | struct qeth_ipaddr *addr; |
399 | struct hlist_node *tmp; | |
400 | int i; | |
401 | int rc; | |
4a71df50 | 402 | |
a7531c1c | 403 | QETH_CARD_TEXT(card, 4, "recovrip"); |
5f78e29c LD |
404 | |
405 | spin_lock_bh(&card->ip_lock); | |
406 | ||
407 | hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) { | |
a7531c1c UB |
408 | if (addr->disp_flag == QETH_DISP_ADDR_DELETE) { |
409 | qeth_l3_deregister_addr_entry(card, addr); | |
410 | hash_del(&addr->hnode); | |
411 | kfree(addr); | |
412 | } else if (addr->disp_flag == QETH_DISP_ADDR_ADD) { | |
5f78e29c LD |
413 | if (addr->proto == QETH_PROT_IPV4) { |
414 | addr->in_progress = 1; | |
415 | spin_unlock_bh(&card->ip_lock); | |
416 | rc = qeth_l3_register_addr_entry(card, addr); | |
417 | spin_lock_bh(&card->ip_lock); | |
418 | addr->in_progress = 0; | |
419 | } else | |
420 | rc = qeth_l3_register_addr_entry(card, addr); | |
421 | ||
422 | if (!rc) { | |
423 | addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING; | |
a7531c1c | 424 | if (addr->ref_counter < 1) |
5f78e29c | 425 | qeth_l3_delete_ip(card, addr); |
5f78e29c LD |
426 | } else { |
427 | hash_del(&addr->hnode); | |
428 | kfree(addr); | |
429 | } | |
430 | } | |
431 | } | |
4a71df50 | 432 | |
5f78e29c | 433 | spin_unlock_bh(&card->ip_lock); |
4a71df50 | 434 | |
4a71df50 FB |
435 | } |
436 | ||
437 | static int qeth_l3_send_setdelmc(struct qeth_card *card, | |
438 | struct qeth_ipaddr *addr, int ipacmd) | |
439 | { | |
440 | int rc; | |
441 | struct qeth_cmd_buffer *iob; | |
442 | struct qeth_ipa_cmd *cmd; | |
443 | ||
847a50fd | 444 | QETH_CARD_TEXT(card, 4, "setdelmc"); |
4a71df50 FB |
445 | |
446 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
1aec42bc TR |
447 | if (!iob) |
448 | return -ENOMEM; | |
4a71df50 FB |
449 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
450 | memcpy(&cmd->data.setdelipm.mac, addr->mac, OSA_ADDR_LEN); | |
451 | if (addr->proto == QETH_PROT_IPV6) | |
452 | memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, | |
453 | sizeof(struct in6_addr)); | |
454 | else | |
455 | memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr, 4); | |
456 | ||
457 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
458 | ||
459 | return rc; | |
460 | } | |
461 | ||
462 | static void qeth_l3_fill_netmask(u8 *netmask, unsigned int len) | |
463 | { | |
464 | int i, j; | |
465 | for (i = 0; i < 16; i++) { | |
466 | j = (len) - (i * 8); | |
467 | if (j >= 8) | |
468 | netmask[i] = 0xff; | |
469 | else if (j > 0) | |
470 | netmask[i] = (u8)(0xFF00 >> j); | |
471 | else | |
472 | netmask[i] = 0; | |
473 | } | |
474 | } | |
475 | ||
476 | static int qeth_l3_send_setdelip(struct qeth_card *card, | |
477 | struct qeth_ipaddr *addr, int ipacmd, unsigned int flags) | |
478 | { | |
479 | int rc; | |
480 | struct qeth_cmd_buffer *iob; | |
481 | struct qeth_ipa_cmd *cmd; | |
482 | __u8 netmask[16]; | |
483 | ||
847a50fd CO |
484 | QETH_CARD_TEXT(card, 4, "setdelip"); |
485 | QETH_CARD_TEXT_(card, 4, "flags%02X", flags); | |
4a71df50 FB |
486 | |
487 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); | |
1aec42bc TR |
488 | if (!iob) |
489 | return -ENOMEM; | |
4a71df50 FB |
490 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
491 | if (addr->proto == QETH_PROT_IPV6) { | |
492 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, | |
493 | sizeof(struct in6_addr)); | |
494 | qeth_l3_fill_netmask(netmask, addr->u.a6.pfxlen); | |
495 | memcpy(cmd->data.setdelip6.mask, netmask, | |
496 | sizeof(struct in6_addr)); | |
497 | cmd->data.setdelip6.flags = flags; | |
498 | } else { | |
499 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); | |
500 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); | |
501 | cmd->data.setdelip4.flags = flags; | |
502 | } | |
503 | ||
504 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
505 | ||
506 | return rc; | |
507 | } | |
508 | ||
509 | static int qeth_l3_send_setrouting(struct qeth_card *card, | |
510 | enum qeth_routing_types type, enum qeth_prot_versions prot) | |
511 | { | |
512 | int rc; | |
513 | struct qeth_ipa_cmd *cmd; | |
514 | struct qeth_cmd_buffer *iob; | |
515 | ||
847a50fd | 516 | QETH_CARD_TEXT(card, 4, "setroutg"); |
4a71df50 | 517 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); |
1aec42bc TR |
518 | if (!iob) |
519 | return -ENOMEM; | |
4a71df50 FB |
520 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
521 | cmd->data.setrtg.type = (type); | |
522 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); | |
523 | ||
524 | return rc; | |
525 | } | |
526 | ||
82e2e782 | 527 | static int qeth_l3_correct_routing_type(struct qeth_card *card, |
4a71df50 FB |
528 | enum qeth_routing_types *type, enum qeth_prot_versions prot) |
529 | { | |
530 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
531 | switch (*type) { | |
532 | case NO_ROUTER: | |
533 | case PRIMARY_CONNECTOR: | |
534 | case SECONDARY_CONNECTOR: | |
535 | case MULTICAST_ROUTER: | |
82e2e782 | 536 | return 0; |
4a71df50 FB |
537 | default: |
538 | goto out_inval; | |
539 | } | |
540 | } else { | |
541 | switch (*type) { | |
542 | case NO_ROUTER: | |
543 | case PRIMARY_ROUTER: | |
544 | case SECONDARY_ROUTER: | |
82e2e782 | 545 | return 0; |
4a71df50 FB |
546 | case MULTICAST_ROUTER: |
547 | if (qeth_is_ipafunc_supported(card, prot, | |
548 | IPA_OSA_MC_ROUTER)) | |
82e2e782 | 549 | return 0; |
4a71df50 FB |
550 | default: |
551 | goto out_inval; | |
552 | } | |
553 | } | |
554 | out_inval: | |
4a71df50 | 555 | *type = NO_ROUTER; |
82e2e782 | 556 | return -EINVAL; |
4a71df50 FB |
557 | } |
558 | ||
559 | int qeth_l3_setrouting_v4(struct qeth_card *card) | |
560 | { | |
561 | int rc; | |
562 | ||
847a50fd | 563 | QETH_CARD_TEXT(card, 3, "setrtg4"); |
4a71df50 | 564 | |
82e2e782 | 565 | rc = qeth_l3_correct_routing_type(card, &card->options.route4.type, |
4a71df50 | 566 | QETH_PROT_IPV4); |
82e2e782 SR |
567 | if (rc) |
568 | return rc; | |
4a71df50 FB |
569 | |
570 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, | |
571 | QETH_PROT_IPV4); | |
572 | if (rc) { | |
573 | card->options.route4.type = NO_ROUTER; | |
14cc21b6 FB |
574 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
575 | " on %s. Type set to 'no router'.\n", rc, | |
576 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
577 | } |
578 | return rc; | |
579 | } | |
580 | ||
581 | int qeth_l3_setrouting_v6(struct qeth_card *card) | |
582 | { | |
583 | int rc = 0; | |
584 | ||
847a50fd | 585 | QETH_CARD_TEXT(card, 3, "setrtg6"); |
4a71df50 FB |
586 | #ifdef CONFIG_QETH_IPV6 |
587 | ||
588 | if (!qeth_is_supported(card, IPA_IPV6)) | |
589 | return 0; | |
82e2e782 | 590 | rc = qeth_l3_correct_routing_type(card, &card->options.route6.type, |
4a71df50 | 591 | QETH_PROT_IPV6); |
82e2e782 SR |
592 | if (rc) |
593 | return rc; | |
4a71df50 FB |
594 | |
595 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, | |
596 | QETH_PROT_IPV6); | |
597 | if (rc) { | |
598 | card->options.route6.type = NO_ROUTER; | |
14cc21b6 FB |
599 | QETH_DBF_MESSAGE(2, "Error (0x%04x) while setting routing type" |
600 | " on %s. Type set to 'no router'.\n", rc, | |
601 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
602 | } |
603 | #endif | |
604 | return rc; | |
605 | } | |
606 | ||
607 | /* | |
608 | * IP address takeover related functions | |
609 | */ | |
610 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) | |
611 | { | |
4a71df50 | 612 | struct qeth_ipato_entry *ipatoe, *tmp; |
4a71df50 | 613 | |
5f78e29c LD |
614 | spin_lock_bh(&card->ip_lock); |
615 | ||
4a71df50 FB |
616 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { |
617 | list_del(&ipatoe->entry); | |
618 | kfree(ipatoe); | |
619 | } | |
5f78e29c LD |
620 | |
621 | spin_unlock_bh(&card->ip_lock); | |
4a71df50 FB |
622 | } |
623 | ||
624 | int qeth_l3_add_ipato_entry(struct qeth_card *card, | |
625 | struct qeth_ipato_entry *new) | |
626 | { | |
627 | struct qeth_ipato_entry *ipatoe; | |
4a71df50 FB |
628 | int rc = 0; |
629 | ||
847a50fd | 630 | QETH_CARD_TEXT(card, 2, "addipato"); |
5f78e29c LD |
631 | |
632 | spin_lock_bh(&card->ip_lock); | |
633 | ||
4a71df50 FB |
634 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { |
635 | if (ipatoe->proto != new->proto) | |
636 | continue; | |
637 | if (!memcmp(ipatoe->addr, new->addr, | |
638 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && | |
639 | (ipatoe->mask_bits == new->mask_bits)) { | |
4a71df50 FB |
640 | rc = -EEXIST; |
641 | break; | |
642 | } | |
643 | } | |
5f78e29c | 644 | |
4a71df50 FB |
645 | if (!rc) |
646 | list_add_tail(&new->entry, &card->ipato.entries); | |
647 | ||
5f78e29c LD |
648 | spin_unlock_bh(&card->ip_lock); |
649 | ||
4a71df50 FB |
650 | return rc; |
651 | } | |
652 | ||
653 | void qeth_l3_del_ipato_entry(struct qeth_card *card, | |
654 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) | |
655 | { | |
656 | struct qeth_ipato_entry *ipatoe, *tmp; | |
4a71df50 | 657 | |
847a50fd | 658 | QETH_CARD_TEXT(card, 2, "delipato"); |
5f78e29c LD |
659 | |
660 | spin_lock_bh(&card->ip_lock); | |
661 | ||
4a71df50 FB |
662 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { |
663 | if (ipatoe->proto != proto) | |
664 | continue; | |
665 | if (!memcmp(ipatoe->addr, addr, | |
666 | (proto == QETH_PROT_IPV4)? 4:16) && | |
667 | (ipatoe->mask_bits == mask_bits)) { | |
668 | list_del(&ipatoe->entry); | |
669 | kfree(ipatoe); | |
670 | } | |
671 | } | |
5f78e29c LD |
672 | |
673 | spin_unlock_bh(&card->ip_lock); | |
4a71df50 FB |
674 | } |
675 | ||
676 | /* | |
677 | * VIPA related functions | |
678 | */ | |
679 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
680 | const u8 *addr) | |
681 | { | |
682 | struct qeth_ipaddr *ipaddr; | |
4a71df50 FB |
683 | int rc = 0; |
684 | ||
685 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
686 | if (ipaddr) { | |
687 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 688 | QETH_CARD_TEXT(card, 2, "addvipa4"); |
4a71df50 FB |
689 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
690 | ipaddr->u.a4.mask = 0; | |
691 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 692 | QETH_CARD_TEXT(card, 2, "addvipa6"); |
4a71df50 FB |
693 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
694 | ipaddr->u.a6.pfxlen = 0; | |
695 | } | |
696 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
697 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; | |
698 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; | |
699 | } else | |
700 | return -ENOMEM; | |
5f78e29c LD |
701 | |
702 | spin_lock_bh(&card->ip_lock); | |
703 | ||
732a59cb | 704 | if (qeth_l3_ip_from_hash(card, ipaddr)) |
4a71df50 | 705 | rc = -EEXIST; |
5f78e29c LD |
706 | else |
707 | qeth_l3_add_ip(card, ipaddr); | |
708 | ||
709 | spin_unlock_bh(&card->ip_lock); | |
710 | ||
711 | kfree(ipaddr); | |
712 | ||
4a71df50 FB |
713 | return rc; |
714 | } | |
715 | ||
716 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, | |
717 | const u8 *addr) | |
718 | { | |
719 | struct qeth_ipaddr *ipaddr; | |
720 | ||
721 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
722 | if (ipaddr) { | |
723 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 724 | QETH_CARD_TEXT(card, 2, "delvipa4"); |
4a71df50 FB |
725 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
726 | ipaddr->u.a4.mask = 0; | |
727 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 728 | QETH_CARD_TEXT(card, 2, "delvipa6"); |
4a71df50 FB |
729 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
730 | ipaddr->u.a6.pfxlen = 0; | |
731 | } | |
732 | ipaddr->type = QETH_IP_TYPE_VIPA; | |
733 | } else | |
734 | return; | |
5f78e29c LD |
735 | |
736 | spin_lock_bh(&card->ip_lock); | |
737 | qeth_l3_delete_ip(card, ipaddr); | |
738 | spin_unlock_bh(&card->ip_lock); | |
739 | ||
740 | kfree(ipaddr); | |
4a71df50 FB |
741 | } |
742 | ||
743 | /* | |
744 | * proxy ARP related functions | |
745 | */ | |
746 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
747 | const u8 *addr) | |
748 | { | |
749 | struct qeth_ipaddr *ipaddr; | |
4a71df50 FB |
750 | int rc = 0; |
751 | ||
752 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
753 | if (ipaddr) { | |
754 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 755 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
756 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
757 | ipaddr->u.a4.mask = 0; | |
758 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 759 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
760 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
761 | ipaddr->u.a6.pfxlen = 0; | |
762 | } | |
5f78e29c | 763 | |
4a71df50 FB |
764 | ipaddr->type = QETH_IP_TYPE_RXIP; |
765 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; | |
766 | ipaddr->del_flags = 0; | |
767 | } else | |
768 | return -ENOMEM; | |
5f78e29c LD |
769 | |
770 | spin_lock_bh(&card->ip_lock); | |
771 | ||
732a59cb | 772 | if (qeth_l3_ip_from_hash(card, ipaddr)) |
4a71df50 | 773 | rc = -EEXIST; |
5f78e29c LD |
774 | else |
775 | qeth_l3_add_ip(card, ipaddr); | |
776 | ||
777 | spin_unlock_bh(&card->ip_lock); | |
778 | ||
779 | kfree(ipaddr); | |
780 | ||
781 | return rc; | |
4a71df50 FB |
782 | } |
783 | ||
784 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, | |
785 | const u8 *addr) | |
786 | { | |
787 | struct qeth_ipaddr *ipaddr; | |
788 | ||
789 | ipaddr = qeth_l3_get_addr_buffer(proto); | |
790 | if (ipaddr) { | |
791 | if (proto == QETH_PROT_IPV4) { | |
847a50fd | 792 | QETH_CARD_TEXT(card, 2, "addrxip4"); |
4a71df50 FB |
793 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
794 | ipaddr->u.a4.mask = 0; | |
795 | } else if (proto == QETH_PROT_IPV6) { | |
847a50fd | 796 | QETH_CARD_TEXT(card, 2, "addrxip6"); |
4a71df50 FB |
797 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
798 | ipaddr->u.a6.pfxlen = 0; | |
799 | } | |
800 | ipaddr->type = QETH_IP_TYPE_RXIP; | |
801 | } else | |
802 | return; | |
5f78e29c LD |
803 | |
804 | spin_lock_bh(&card->ip_lock); | |
805 | qeth_l3_delete_ip(card, ipaddr); | |
806 | spin_unlock_bh(&card->ip_lock); | |
807 | ||
808 | kfree(ipaddr); | |
4a71df50 FB |
809 | } |
810 | ||
811 | static int qeth_l3_register_addr_entry(struct qeth_card *card, | |
812 | struct qeth_ipaddr *addr) | |
813 | { | |
814 | char buf[50]; | |
815 | int rc = 0; | |
816 | int cnt = 3; | |
817 | ||
5f78e29c | 818 | |
4a71df50 | 819 | if (addr->proto == QETH_PROT_IPV4) { |
847a50fd CO |
820 | QETH_CARD_TEXT(card, 2, "setaddr4"); |
821 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 822 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
823 | QETH_CARD_TEXT(card, 2, "setaddr6"); |
824 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
825 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 826 | } else { |
847a50fd CO |
827 | QETH_CARD_TEXT(card, 2, "setaddr?"); |
828 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
829 | } |
830 | do { | |
831 | if (addr->is_multicast) | |
832 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); | |
833 | else | |
834 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, | |
835 | addr->set_flags); | |
836 | if (rc) | |
847a50fd | 837 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
838 | } while ((--cnt > 0) && rc); |
839 | if (rc) { | |
847a50fd | 840 | QETH_CARD_TEXT(card, 2, "FAILED"); |
4a71df50 | 841 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
74eacdb9 FB |
842 | dev_warn(&card->gdev->dev, |
843 | "Registering IP address %s failed\n", buf); | |
4a71df50 FB |
844 | } |
845 | return rc; | |
846 | } | |
847 | ||
848 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, | |
849 | struct qeth_ipaddr *addr) | |
850 | { | |
851 | int rc = 0; | |
852 | ||
853 | if (addr->proto == QETH_PROT_IPV4) { | |
847a50fd CO |
854 | QETH_CARD_TEXT(card, 2, "deladdr4"); |
855 | QETH_CARD_HEX(card, 3, &addr->u.a4.addr, sizeof(int)); | |
4a71df50 | 856 | } else if (addr->proto == QETH_PROT_IPV6) { |
847a50fd CO |
857 | QETH_CARD_TEXT(card, 2, "deladdr6"); |
858 | QETH_CARD_HEX(card, 3, &addr->u.a6.addr, 8); | |
859 | QETH_CARD_HEX(card, 3, ((char *)&addr->u.a6.addr) + 8, 8); | |
4a71df50 | 860 | } else { |
847a50fd CO |
861 | QETH_CARD_TEXT(card, 2, "deladdr?"); |
862 | QETH_CARD_HEX(card, 3, addr, sizeof(struct qeth_ipaddr)); | |
4a71df50 FB |
863 | } |
864 | if (addr->is_multicast) | |
865 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); | |
866 | else | |
867 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, | |
868 | addr->del_flags); | |
c4cef07c | 869 | if (rc) |
847a50fd | 870 | QETH_CARD_TEXT(card, 2, "failed"); |
4a71df50 FB |
871 | |
872 | return rc; | |
873 | } | |
874 | ||
875 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) | |
876 | { | |
877 | if (cast_type == RTN_MULTICAST) | |
878 | return QETH_CAST_MULTICAST; | |
879 | if (cast_type == RTN_BROADCAST) | |
880 | return QETH_CAST_BROADCAST; | |
881 | return QETH_CAST_UNICAST; | |
882 | } | |
883 | ||
884 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) | |
885 | { | |
886 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; | |
887 | if (cast_type == RTN_MULTICAST) | |
888 | return ct | QETH_CAST_MULTICAST; | |
889 | if (cast_type == RTN_ANYCAST) | |
890 | return ct | QETH_CAST_ANYCAST; | |
891 | if (cast_type == RTN_BROADCAST) | |
892 | return ct | QETH_CAST_BROADCAST; | |
893 | return ct | QETH_CAST_UNICAST; | |
894 | } | |
895 | ||
4a71df50 FB |
896 | static int qeth_l3_setadapter_parms(struct qeth_card *card) |
897 | { | |
898 | int rc; | |
899 | ||
d11ba0c4 | 900 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
4a71df50 FB |
901 | |
902 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { | |
74eacdb9 FB |
903 | dev_info(&card->gdev->dev, |
904 | "set adapter parameters not supported.\n"); | |
d11ba0c4 | 905 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
4a71df50 FB |
906 | return 0; |
907 | } | |
908 | rc = qeth_query_setadapterparms(card); | |
909 | if (rc) { | |
74eacdb9 | 910 | QETH_DBF_MESSAGE(2, "%s couldn't set adapter parameters: " |
7f6d95e7 | 911 | "0x%x\n", dev_name(&card->gdev->dev), rc); |
4a71df50 FB |
912 | return rc; |
913 | } | |
914 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { | |
915 | rc = qeth_setadpparms_change_macaddr(card); | |
916 | if (rc) | |
74eacdb9 | 917 | dev_warn(&card->gdev->dev, "Reading the adapter MAC" |
6ea2fde1 | 918 | " address failed\n"); |
4a71df50 FB |
919 | } |
920 | ||
4a71df50 FB |
921 | return rc; |
922 | } | |
923 | ||
4a71df50 FB |
924 | #ifdef CONFIG_QETH_IPV6 |
925 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, | |
926 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) | |
927 | { | |
928 | int rc; | |
929 | struct qeth_cmd_buffer *iob; | |
930 | ||
847a50fd | 931 | QETH_CARD_TEXT(card, 4, "simassp6"); |
b475e316 | 932 | iob = qeth_get_setassparms_cmd(card, ipa_func, cmd_code, |
4a71df50 | 933 | 0, QETH_PROT_IPV6); |
1aec42bc TR |
934 | if (!iob) |
935 | return -ENOMEM; | |
4d7def2a | 936 | rc = qeth_send_setassparms(card, iob, 0, 0, |
8f43fb00 | 937 | qeth_setassparms_cb, NULL); |
4a71df50 FB |
938 | return rc; |
939 | } | |
940 | #endif | |
941 | ||
4a71df50 FB |
942 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) |
943 | { | |
944 | int rc; | |
945 | ||
847a50fd | 946 | QETH_CARD_TEXT(card, 3, "ipaarp"); |
4a71df50 FB |
947 | |
948 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
74eacdb9 FB |
949 | dev_info(&card->gdev->dev, |
950 | "ARP processing not supported on %s!\n", | |
951 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
952 | return 0; |
953 | } | |
4d7def2a TR |
954 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
955 | IPA_CMD_ASS_START, 0); | |
4a71df50 | 956 | if (rc) { |
74eacdb9 FB |
957 | dev_warn(&card->gdev->dev, |
958 | "Starting ARP processing support for %s failed\n", | |
959 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
960 | } |
961 | return rc; | |
962 | } | |
963 | ||
964 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) | |
965 | { | |
966 | int rc; | |
967 | ||
847a50fd | 968 | QETH_CARD_TEXT(card, 3, "ipaipfrg"); |
4a71df50 FB |
969 | |
970 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { | |
74eacdb9 FB |
971 | dev_info(&card->gdev->dev, |
972 | "Hardware IP fragmentation not supported on %s\n", | |
973 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
974 | return -EOPNOTSUPP; |
975 | } | |
976 | ||
4d7def2a | 977 | rc = qeth_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, |
4a71df50 FB |
978 | IPA_CMD_ASS_START, 0); |
979 | if (rc) { | |
74eacdb9 FB |
980 | dev_warn(&card->gdev->dev, |
981 | "Starting IP fragmentation support for %s failed\n", | |
982 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 983 | } else |
74eacdb9 FB |
984 | dev_info(&card->gdev->dev, |
985 | "Hardware IP fragmentation enabled \n"); | |
4a71df50 FB |
986 | return rc; |
987 | } | |
988 | ||
989 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) | |
990 | { | |
991 | int rc; | |
992 | ||
847a50fd | 993 | QETH_CARD_TEXT(card, 3, "stsrcmac"); |
4a71df50 | 994 | |
4a71df50 | 995 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
74eacdb9 | 996 | dev_info(&card->gdev->dev, |
fe94e2e0 | 997 | "Inbound source MAC-address not supported on %s\n", |
74eacdb9 | 998 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
999 | return -EOPNOTSUPP; |
1000 | } | |
1001 | ||
4d7def2a | 1002 | rc = qeth_send_simple_setassparms(card, IPA_SOURCE_MAC, |
4a71df50 FB |
1003 | IPA_CMD_ASS_START, 0); |
1004 | if (rc) | |
74eacdb9 | 1005 | dev_warn(&card->gdev->dev, |
fe94e2e0 | 1006 | "Starting source MAC-address support for %s failed\n", |
74eacdb9 | 1007 | QETH_CARD_IFNAME(card)); |
4a71df50 FB |
1008 | return rc; |
1009 | } | |
1010 | ||
1011 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) | |
1012 | { | |
1013 | int rc = 0; | |
1014 | ||
847a50fd | 1015 | QETH_CARD_TEXT(card, 3, "strtvlan"); |
4a71df50 FB |
1016 | |
1017 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { | |
74eacdb9 FB |
1018 | dev_info(&card->gdev->dev, |
1019 | "VLAN not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1020 | return -EOPNOTSUPP; |
1021 | } | |
1022 | ||
4d7def2a | 1023 | rc = qeth_send_simple_setassparms(card, IPA_VLAN_PRIO, |
4a71df50 FB |
1024 | IPA_CMD_ASS_START, 0); |
1025 | if (rc) { | |
74eacdb9 FB |
1026 | dev_warn(&card->gdev->dev, |
1027 | "Starting VLAN support for %s failed\n", | |
1028 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1029 | } else { |
74eacdb9 | 1030 | dev_info(&card->gdev->dev, "VLAN enabled\n"); |
4a71df50 FB |
1031 | } |
1032 | return rc; | |
1033 | } | |
1034 | ||
1035 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) | |
1036 | { | |
1037 | int rc; | |
1038 | ||
847a50fd | 1039 | QETH_CARD_TEXT(card, 3, "stmcast"); |
4a71df50 FB |
1040 | |
1041 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { | |
74eacdb9 FB |
1042 | dev_info(&card->gdev->dev, |
1043 | "Multicast not supported on %s\n", | |
1044 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1045 | return -EOPNOTSUPP; |
1046 | } | |
1047 | ||
4d7def2a | 1048 | rc = qeth_send_simple_setassparms(card, IPA_MULTICASTING, |
4a71df50 FB |
1049 | IPA_CMD_ASS_START, 0); |
1050 | if (rc) { | |
74eacdb9 FB |
1051 | dev_warn(&card->gdev->dev, |
1052 | "Starting multicast support for %s failed\n", | |
1053 | QETH_CARD_IFNAME(card)); | |
4a71df50 | 1054 | } else { |
74eacdb9 | 1055 | dev_info(&card->gdev->dev, "Multicast enabled\n"); |
4a71df50 FB |
1056 | card->dev->flags |= IFF_MULTICAST; |
1057 | } | |
1058 | return rc; | |
1059 | } | |
1060 | ||
4a71df50 FB |
1061 | #ifdef CONFIG_QETH_IPV6 |
1062 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) | |
1063 | { | |
1064 | int rc; | |
1065 | ||
847a50fd | 1066 | QETH_CARD_TEXT(card, 3, "softipv6"); |
4a71df50 FB |
1067 | |
1068 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
1069 | goto out; | |
1070 | ||
1da74b1c | 1071 | rc = qeth_query_ipassists(card, QETH_PROT_IPV6); |
4a71df50 | 1072 | if (rc) { |
74eacdb9 FB |
1073 | dev_err(&card->gdev->dev, |
1074 | "Activating IPv6 support for %s failed\n", | |
1075 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1076 | return rc; |
1077 | } | |
4d7def2a | 1078 | rc = qeth_send_simple_setassparms(card, IPA_IPV6, |
4a71df50 FB |
1079 | IPA_CMD_ASS_START, 3); |
1080 | if (rc) { | |
74eacdb9 FB |
1081 | dev_err(&card->gdev->dev, |
1082 | "Activating IPv6 support for %s failed\n", | |
1083 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1084 | return rc; |
1085 | } | |
1086 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, | |
1087 | IPA_CMD_ASS_START); | |
1088 | if (rc) { | |
74eacdb9 FB |
1089 | dev_err(&card->gdev->dev, |
1090 | "Activating IPv6 support for %s failed\n", | |
1091 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1092 | return rc; |
1093 | } | |
1094 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, | |
1095 | IPA_CMD_ASS_START); | |
1096 | if (rc) { | |
74eacdb9 FB |
1097 | dev_warn(&card->gdev->dev, |
1098 | "Enabling the passthrough mode for %s failed\n", | |
1099 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1100 | return rc; |
1101 | } | |
1102 | out: | |
74eacdb9 | 1103 | dev_info(&card->gdev->dev, "IPV6 enabled\n"); |
4a71df50 FB |
1104 | return 0; |
1105 | } | |
1106 | #endif | |
1107 | ||
1108 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) | |
1109 | { | |
1110 | int rc = 0; | |
1111 | ||
847a50fd | 1112 | QETH_CARD_TEXT(card, 3, "strtipv6"); |
4a71df50 FB |
1113 | |
1114 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
74eacdb9 FB |
1115 | dev_info(&card->gdev->dev, |
1116 | "IPv6 not supported on %s\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1117 | return 0; |
1118 | } | |
1119 | #ifdef CONFIG_QETH_IPV6 | |
1120 | rc = qeth_l3_softsetup_ipv6(card); | |
1121 | #endif | |
1122 | return rc ; | |
1123 | } | |
1124 | ||
1125 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) | |
1126 | { | |
1127 | int rc; | |
1128 | ||
847a50fd | 1129 | QETH_CARD_TEXT(card, 3, "stbrdcst"); |
4a71df50 FB |
1130 | card->info.broadcast_capable = 0; |
1131 | if (!qeth_is_supported(card, IPA_FILTERING)) { | |
74eacdb9 FB |
1132 | dev_info(&card->gdev->dev, |
1133 | "Broadcast not supported on %s\n", | |
1134 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1135 | rc = -EOPNOTSUPP; |
1136 | goto out; | |
1137 | } | |
4d7def2a | 1138 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
4a71df50 FB |
1139 | IPA_CMD_ASS_START, 0); |
1140 | if (rc) { | |
74eacdb9 FB |
1141 | dev_warn(&card->gdev->dev, "Enabling broadcast filtering for " |
1142 | "%s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1143 | goto out; |
1144 | } | |
1145 | ||
4d7def2a | 1146 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
4a71df50 FB |
1147 | IPA_CMD_ASS_CONFIGURE, 1); |
1148 | if (rc) { | |
74eacdb9 FB |
1149 | dev_warn(&card->gdev->dev, |
1150 | "Setting up broadcast filtering for %s failed\n", | |
1151 | QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1152 | goto out; |
1153 | } | |
1154 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; | |
74eacdb9 | 1155 | dev_info(&card->gdev->dev, "Broadcast enabled\n"); |
4d7def2a | 1156 | rc = qeth_send_simple_setassparms(card, IPA_FILTERING, |
4a71df50 FB |
1157 | IPA_CMD_ASS_ENABLE, 1); |
1158 | if (rc) { | |
74eacdb9 FB |
1159 | dev_warn(&card->gdev->dev, "Setting up broadcast echo " |
1160 | "filtering for %s failed\n", QETH_CARD_IFNAME(card)); | |
4a71df50 FB |
1161 | goto out; |
1162 | } | |
1163 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; | |
1164 | out: | |
1165 | if (card->info.broadcast_capable) | |
1166 | card->dev->flags |= IFF_BROADCAST; | |
1167 | else | |
1168 | card->dev->flags &= ~IFF_BROADCAST; | |
1169 | return rc; | |
1170 | } | |
1171 | ||
4a71df50 FB |
1172 | static int qeth_l3_start_ipassists(struct qeth_card *card) |
1173 | { | |
847a50fd | 1174 | QETH_CARD_TEXT(card, 3, "strtipas"); |
d64ecc22 | 1175 | |
0f54761d SR |
1176 | if (qeth_set_access_ctrl_online(card, 0)) |
1177 | return -EIO; | |
4a71df50 FB |
1178 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
1179 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ | |
1180 | qeth_l3_start_ipa_source_mac(card); /* go on*/ | |
1181 | qeth_l3_start_ipa_vlan(card); /* go on*/ | |
1182 | qeth_l3_start_ipa_multicast(card); /* go on*/ | |
1183 | qeth_l3_start_ipa_ipv6(card); /* go on*/ | |
1184 | qeth_l3_start_ipa_broadcast(card); /* go on*/ | |
4a71df50 FB |
1185 | return 0; |
1186 | } | |
1187 | ||
4a71df50 FB |
1188 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
1189 | struct qeth_reply *reply, unsigned long data) | |
1190 | { | |
1191 | struct qeth_ipa_cmd *cmd; | |
1192 | ||
1193 | cmd = (struct qeth_ipa_cmd *) data; | |
1194 | if (cmd->hdr.return_code == 0) | |
1195 | memcpy(card->dev->dev_addr, | |
1196 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); | |
1197 | else | |
1833611d | 1198 | eth_random_addr(card->dev->dev_addr); |
4a71df50 FB |
1199 | |
1200 | return 0; | |
1201 | } | |
1202 | ||
1203 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) | |
1204 | { | |
1205 | int rc = 0; | |
1206 | struct qeth_cmd_buffer *iob; | |
1207 | struct qeth_ipa_cmd *cmd; | |
1208 | ||
d11ba0c4 | 1209 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
4a71df50 FB |
1210 | |
1211 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1212 | QETH_PROT_IPV6); | |
1aec42bc TR |
1213 | if (!iob) |
1214 | return -ENOMEM; | |
4a71df50 FB |
1215 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1216 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1217 | card->info.unique_id; | |
1218 | ||
1219 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, | |
1220 | NULL); | |
1221 | return rc; | |
1222 | } | |
1223 | ||
1224 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, | |
1225 | struct qeth_reply *reply, unsigned long data) | |
1226 | { | |
1227 | struct qeth_ipa_cmd *cmd; | |
1228 | ||
1229 | cmd = (struct qeth_ipa_cmd *) data; | |
1230 | if (cmd->hdr.return_code == 0) | |
1231 | card->info.unique_id = *((__u16 *) | |
1232 | &cmd->data.create_destroy_addr.unique_id[6]); | |
1233 | else { | |
1234 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1235 | UNIQUE_ID_NOT_BY_CARD; | |
74eacdb9 FB |
1236 | dev_warn(&card->gdev->dev, "The network adapter failed to " |
1237 | "generate a unique ID\n"); | |
4a71df50 FB |
1238 | } |
1239 | return 0; | |
1240 | } | |
1241 | ||
1242 | static int qeth_l3_get_unique_id(struct qeth_card *card) | |
1243 | { | |
1244 | int rc = 0; | |
1245 | struct qeth_cmd_buffer *iob; | |
1246 | struct qeth_ipa_cmd *cmd; | |
1247 | ||
d11ba0c4 | 1248 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
4a71df50 FB |
1249 | |
1250 | if (!qeth_is_supported(card, IPA_IPV6)) { | |
1251 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | | |
1252 | UNIQUE_ID_NOT_BY_CARD; | |
1253 | return 0; | |
1254 | } | |
1255 | ||
1256 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, | |
1257 | QETH_PROT_IPV6); | |
1aec42bc TR |
1258 | if (!iob) |
1259 | return -ENOMEM; | |
4a71df50 FB |
1260 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1261 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = | |
1262 | card->info.unique_id; | |
1263 | ||
1264 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); | |
1265 | return rc; | |
1266 | } | |
1267 | ||
76b11f8e UB |
1268 | static int |
1269 | qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply, | |
1270 | unsigned long data) | |
1271 | { | |
1272 | struct qeth_ipa_cmd *cmd; | |
1273 | __u16 rc; | |
1274 | ||
1275 | QETH_DBF_TEXT(SETUP, 2, "diastrcb"); | |
1276 | ||
1277 | cmd = (struct qeth_ipa_cmd *)data; | |
1278 | rc = cmd->hdr.return_code; | |
a959189a | 1279 | if (rc) |
847a50fd | 1280 | QETH_CARD_TEXT_(card, 2, "dxter%x", rc); |
76b11f8e UB |
1281 | switch (cmd->data.diagass.action) { |
1282 | case QETH_DIAGS_CMD_TRACE_QUERY: | |
1283 | break; | |
1284 | case QETH_DIAGS_CMD_TRACE_DISABLE: | |
a959189a UB |
1285 | switch (rc) { |
1286 | case 0: | |
1287 | case IPA_RC_INVALID_SUBCMD: | |
1288 | card->info.promisc_mode = SET_PROMISC_MODE_OFF; | |
1289 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1290 | "traffic analyzer is deactivated\n"); | |
1291 | break; | |
1292 | default: | |
1293 | break; | |
1294 | } | |
76b11f8e UB |
1295 | break; |
1296 | case QETH_DIAGS_CMD_TRACE_ENABLE: | |
a959189a UB |
1297 | switch (rc) { |
1298 | case 0: | |
1299 | card->info.promisc_mode = SET_PROMISC_MODE_ON; | |
1300 | dev_info(&card->gdev->dev, "The HiperSockets network " | |
1301 | "traffic analyzer is activated\n"); | |
1302 | break; | |
1303 | case IPA_RC_HARDWARE_AUTH_ERROR: | |
1304 | dev_warn(&card->gdev->dev, "The device is not " | |
1305 | "authorized to run as a HiperSockets network " | |
1306 | "traffic analyzer\n"); | |
1307 | break; | |
1308 | case IPA_RC_TRACE_ALREADY_ACTIVE: | |
1309 | dev_warn(&card->gdev->dev, "A HiperSockets " | |
1310 | "network traffic analyzer is already " | |
1311 | "active in the HiperSockets LAN\n"); | |
1312 | break; | |
1313 | default: | |
1314 | break; | |
1315 | } | |
76b11f8e UB |
1316 | break; |
1317 | default: | |
1318 | QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n", | |
1319 | cmd->data.diagass.action, QETH_CARD_IFNAME(card)); | |
1320 | } | |
1321 | ||
1322 | return 0; | |
1323 | } | |
1324 | ||
1325 | static int | |
1326 | qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd) | |
1327 | { | |
1328 | struct qeth_cmd_buffer *iob; | |
1329 | struct qeth_ipa_cmd *cmd; | |
1330 | ||
1331 | QETH_DBF_TEXT(SETUP, 2, "diagtrac"); | |
1332 | ||
1333 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SET_DIAG_ASS, 0); | |
1aec42bc TR |
1334 | if (!iob) |
1335 | return -ENOMEM; | |
76b11f8e UB |
1336 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
1337 | cmd->data.diagass.subcmd_len = 16; | |
1338 | cmd->data.diagass.subcmd = QETH_DIAGS_CMD_TRACE; | |
1339 | cmd->data.diagass.type = QETH_DIAGS_TYPE_HIPERSOCKET; | |
1340 | cmd->data.diagass.action = diags_cmd; | |
1341 | return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL); | |
1342 | } | |
1343 | ||
5f78e29c | 1344 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac) |
4a71df50 | 1345 | { |
1abd2296 | 1346 | ip_eth_mc_map(ipm, mac); |
4a71df50 FB |
1347 | } |
1348 | ||
5f78e29c LD |
1349 | static void qeth_l3_mark_all_mc_to_be_deleted(struct qeth_card *card) |
1350 | { | |
1351 | struct qeth_ipaddr *addr; | |
1352 | int i; | |
1353 | ||
1354 | hash_for_each(card->ip_mc_htable, i, addr, hnode) | |
1355 | addr->disp_flag = QETH_DISP_ADDR_DELETE; | |
1356 | ||
1357 | } | |
1358 | ||
1359 | static void qeth_l3_add_all_new_mc(struct qeth_card *card) | |
1360 | { | |
1361 | struct qeth_ipaddr *addr; | |
1362 | struct hlist_node *tmp; | |
1363 | int i; | |
1364 | int rc; | |
1365 | ||
1366 | hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) { | |
1367 | if (addr->disp_flag == QETH_DISP_ADDR_ADD) { | |
1368 | rc = qeth_l3_register_addr_entry(card, addr); | |
1369 | if (!rc || (rc == IPA_RC_LAN_OFFLINE)) | |
1370 | addr->ref_counter = 1; | |
1371 | else { | |
1372 | hash_del(&addr->hnode); | |
1373 | kfree(addr); | |
1374 | } | |
1375 | } | |
1376 | } | |
1377 | ||
1378 | } | |
1379 | ||
1380 | static void qeth_l3_delete_nonused_mc(struct qeth_card *card) | |
1381 | { | |
1382 | struct qeth_ipaddr *addr; | |
1383 | struct hlist_node *tmp; | |
1384 | int i; | |
1385 | int rc; | |
1386 | ||
1387 | hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) { | |
1388 | if (addr->disp_flag == QETH_DISP_ADDR_DELETE) { | |
1389 | rc = qeth_l3_deregister_addr_entry(card, addr); | |
1390 | if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND)) { | |
1391 | hash_del(&addr->hnode); | |
1392 | kfree(addr); | |
1393 | } | |
1394 | } | |
1395 | } | |
1396 | ||
1397 | } | |
1398 | ||
1399 | ||
1400 | static void | |
1401 | qeth_l3_add_mc_to_hash(struct qeth_card *card, struct in_device *in4_dev) | |
4a71df50 | 1402 | { |
4a71df50 | 1403 | struct ip_mc_list *im4; |
5f78e29c | 1404 | struct qeth_ipaddr *tmp, *ipm; |
4a71df50 FB |
1405 | char buf[MAX_ADDR_LEN]; |
1406 | ||
847a50fd | 1407 | QETH_CARD_TEXT(card, 4, "addmc"); |
5f78e29c LD |
1408 | |
1409 | tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1410 | if (!tmp) | |
1411 | return; | |
1412 | ||
f3aa3136 SS |
1413 | for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL; |
1414 | im4 = rcu_dereference(im4->next_rcu)) { | |
5f78e29c LD |
1415 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf); |
1416 | ||
1417 | tmp->u.a4.addr = im4->multiaddr; | |
1418 | memcpy(tmp->mac, buf, sizeof(tmp->mac)); | |
1419 | ||
1420 | ipm = qeth_l3_ip_from_hash(card, tmp); | |
1421 | if (ipm) { | |
1422 | ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING; | |
1423 | } else { | |
1424 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1425 | if (!ipm) | |
1426 | continue; | |
1427 | memcpy(ipm->mac, buf, sizeof(tmp->mac)); | |
1428 | ipm->u.a4.addr = im4->multiaddr; | |
1429 | ipm->is_multicast = 1; | |
1430 | ipm->disp_flag = QETH_DISP_ADDR_ADD; | |
1431 | hash_add(card->ip_mc_htable, | |
1432 | &ipm->hnode, qeth_l3_ipaddr_hash(ipm)); | |
1433 | } | |
4a71df50 | 1434 | } |
5f78e29c LD |
1435 | |
1436 | kfree(tmp); | |
4a71df50 FB |
1437 | } |
1438 | ||
0347af51 | 1439 | /* called with rcu_read_lock */ |
4a71df50 FB |
1440 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) |
1441 | { | |
1442 | struct in_device *in_dev; | |
7ff0bcf6 | 1443 | u16 vid; |
4a71df50 | 1444 | |
847a50fd | 1445 | QETH_CARD_TEXT(card, 4, "addmcvl"); |
5f78e29c | 1446 | |
7ff0bcf6 | 1447 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1448 | return; |
1449 | ||
7ff0bcf6 JP |
1450 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1451 | struct net_device *netdev; | |
1452 | ||
f06c7f9f | 1453 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 1454 | vid); |
4a71df50 FB |
1455 | if (netdev == NULL || |
1456 | !(netdev->flags & IFF_UP)) | |
1457 | continue; | |
0347af51 | 1458 | in_dev = __in_dev_get_rcu(netdev); |
4a71df50 FB |
1459 | if (!in_dev) |
1460 | continue; | |
5f78e29c | 1461 | qeth_l3_add_mc_to_hash(card, in_dev); |
4a71df50 FB |
1462 | } |
1463 | } | |
1464 | ||
1465 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) | |
1466 | { | |
1467 | struct in_device *in4_dev; | |
1468 | ||
847a50fd | 1469 | QETH_CARD_TEXT(card, 4, "chkmcv4"); |
5f78e29c | 1470 | |
f3aa3136 | 1471 | rcu_read_lock(); |
0347af51 JP |
1472 | in4_dev = __in_dev_get_rcu(card->dev); |
1473 | if (in4_dev == NULL) | |
1474 | goto unlock; | |
5f78e29c | 1475 | qeth_l3_add_mc_to_hash(card, in4_dev); |
4a71df50 | 1476 | qeth_l3_add_vlan_mc(card); |
0347af51 | 1477 | unlock: |
f3aa3136 | 1478 | rcu_read_unlock(); |
4a71df50 FB |
1479 | } |
1480 | ||
1481 | #ifdef CONFIG_QETH_IPV6 | |
5f78e29c LD |
1482 | static void |
1483 | qeth_l3_add_mc6_to_hash(struct qeth_card *card, struct inet6_dev *in6_dev) | |
4a71df50 FB |
1484 | { |
1485 | struct qeth_ipaddr *ipm; | |
1486 | struct ifmcaddr6 *im6; | |
5f78e29c | 1487 | struct qeth_ipaddr *tmp; |
4a71df50 FB |
1488 | char buf[MAX_ADDR_LEN]; |
1489 | ||
847a50fd | 1490 | QETH_CARD_TEXT(card, 4, "addmc6"); |
5f78e29c LD |
1491 | |
1492 | tmp = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1493 | if (!tmp) | |
1494 | return; | |
1495 | ||
4a71df50 FB |
1496 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
1497 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); | |
5f78e29c LD |
1498 | |
1499 | memcpy(tmp->mac, buf, sizeof(tmp->mac)); | |
1500 | memcpy(&tmp->u.a6.addr, &im6->mca_addr.s6_addr, | |
1501 | sizeof(struct in6_addr)); | |
1502 | tmp->is_multicast = 1; | |
1503 | ||
1504 | ipm = qeth_l3_ip_from_hash(card, tmp); | |
1505 | if (ipm) { | |
1506 | ipm->disp_flag = QETH_DISP_ADDR_DO_NOTHING; | |
1507 | continue; | |
1508 | } | |
1509 | ||
4a71df50 FB |
1510 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
1511 | if (!ipm) | |
1512 | continue; | |
5f78e29c | 1513 | |
4a71df50 FB |
1514 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); |
1515 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, | |
1516 | sizeof(struct in6_addr)); | |
5f78e29c LD |
1517 | ipm->is_multicast = 1; |
1518 | ipm->disp_flag = QETH_DISP_ADDR_ADD; | |
1519 | hash_add(card->ip_mc_htable, | |
1520 | &ipm->hnode, qeth_l3_ipaddr_hash(ipm)); | |
1521 | ||
4a71df50 | 1522 | } |
5f78e29c | 1523 | kfree(tmp); |
4a71df50 FB |
1524 | } |
1525 | ||
0347af51 | 1526 | /* called with rcu_read_lock */ |
4a71df50 FB |
1527 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) |
1528 | { | |
1529 | struct inet6_dev *in_dev; | |
7ff0bcf6 | 1530 | u16 vid; |
4a71df50 | 1531 | |
847a50fd | 1532 | QETH_CARD_TEXT(card, 4, "admc6vl"); |
5f78e29c | 1533 | |
7ff0bcf6 | 1534 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) |
4a71df50 FB |
1535 | return; |
1536 | ||
7ff0bcf6 JP |
1537 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1538 | struct net_device *netdev; | |
1539 | ||
f06c7f9f | 1540 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 1541 | vid); |
4a71df50 FB |
1542 | if (netdev == NULL || |
1543 | !(netdev->flags & IFF_UP)) | |
1544 | continue; | |
1545 | in_dev = in6_dev_get(netdev); | |
1546 | if (!in_dev) | |
1547 | continue; | |
1548 | read_lock_bh(&in_dev->lock); | |
5f78e29c | 1549 | qeth_l3_add_mc6_to_hash(card, in_dev); |
4a71df50 FB |
1550 | read_unlock_bh(&in_dev->lock); |
1551 | in6_dev_put(in_dev); | |
1552 | } | |
1553 | } | |
1554 | ||
1555 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) | |
1556 | { | |
1557 | struct inet6_dev *in6_dev; | |
1558 | ||
847a50fd | 1559 | QETH_CARD_TEXT(card, 4, "chkmcv6"); |
5f78e29c | 1560 | |
4a71df50 FB |
1561 | if (!qeth_is_supported(card, IPA_IPV6)) |
1562 | return ; | |
1563 | in6_dev = in6_dev_get(card->dev); | |
5f78e29c | 1564 | if (!in6_dev) |
4a71df50 | 1565 | return; |
5f78e29c | 1566 | |
0347af51 | 1567 | rcu_read_lock(); |
4a71df50 | 1568 | read_lock_bh(&in6_dev->lock); |
5f78e29c | 1569 | qeth_l3_add_mc6_to_hash(card, in6_dev); |
4a71df50 FB |
1570 | qeth_l3_add_vlan_mc6(card); |
1571 | read_unlock_bh(&in6_dev->lock); | |
0347af51 | 1572 | rcu_read_unlock(); |
4a71df50 FB |
1573 | in6_dev_put(in6_dev); |
1574 | } | |
1575 | #endif /* CONFIG_QETH_IPV6 */ | |
1576 | ||
1577 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, | |
1578 | unsigned short vid) | |
1579 | { | |
1580 | struct in_device *in_dev; | |
1581 | struct in_ifaddr *ifa; | |
1582 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1583 | struct net_device *netdev; |
4a71df50 | 1584 | |
847a50fd | 1585 | QETH_CARD_TEXT(card, 4, "frvaddr4"); |
4a71df50 | 1586 | |
f06c7f9f | 1587 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid); |
eabfbe62 | 1588 | if (!netdev) |
1589 | return; | |
7ff0bcf6 | 1590 | in_dev = in_dev_get(netdev); |
4a71df50 FB |
1591 | if (!in_dev) |
1592 | return; | |
5f78e29c LD |
1593 | |
1594 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
1595 | if (!addr) | |
1596 | return; | |
1597 | ||
1598 | spin_lock_bh(&card->ip_lock); | |
1599 | ||
4a71df50 | 1600 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { |
5f78e29c LD |
1601 | addr->u.a4.addr = ifa->ifa_address; |
1602 | addr->u.a4.mask = ifa->ifa_mask; | |
1603 | addr->type = QETH_IP_TYPE_NORMAL; | |
1604 | qeth_l3_delete_ip(card, addr); | |
4a71df50 | 1605 | } |
5f78e29c LD |
1606 | |
1607 | spin_unlock_bh(&card->ip_lock); | |
1608 | ||
1609 | kfree(addr); | |
4a71df50 FB |
1610 | in_dev_put(in_dev); |
1611 | } | |
1612 | ||
1613 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, | |
1614 | unsigned short vid) | |
1615 | { | |
1616 | #ifdef CONFIG_QETH_IPV6 | |
1617 | struct inet6_dev *in6_dev; | |
1618 | struct inet6_ifaddr *ifa; | |
1619 | struct qeth_ipaddr *addr; | |
7ff0bcf6 | 1620 | struct net_device *netdev; |
4a71df50 | 1621 | |
847a50fd | 1622 | QETH_CARD_TEXT(card, 4, "frvaddr6"); |
4a71df50 | 1623 | |
f06c7f9f | 1624 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), vid); |
eabfbe62 | 1625 | if (!netdev) |
1626 | return; | |
5f78e29c | 1627 | |
7ff0bcf6 | 1628 | in6_dev = in6_dev_get(netdev); |
4a71df50 FB |
1629 | if (!in6_dev) |
1630 | return; | |
5f78e29c LD |
1631 | |
1632 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
1633 | if (!addr) | |
1634 | return; | |
1635 | ||
1636 | spin_lock_bh(&card->ip_lock); | |
1637 | ||
70f60a22 | 1638 | list_for_each_entry(ifa, &in6_dev->addr_list, if_list) { |
5f78e29c LD |
1639 | memcpy(&addr->u.a6.addr, &ifa->addr, |
1640 | sizeof(struct in6_addr)); | |
1641 | addr->u.a6.pfxlen = ifa->prefix_len; | |
1642 | addr->type = QETH_IP_TYPE_NORMAL; | |
1643 | qeth_l3_delete_ip(card, addr); | |
4a71df50 | 1644 | } |
5f78e29c LD |
1645 | |
1646 | spin_unlock_bh(&card->ip_lock); | |
1647 | ||
1648 | kfree(addr); | |
4a71df50 FB |
1649 | in6_dev_put(in6_dev); |
1650 | #endif /* CONFIG_QETH_IPV6 */ | |
1651 | } | |
1652 | ||
1653 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, | |
1654 | unsigned short vid) | |
1655 | { | |
0347af51 | 1656 | rcu_read_lock(); |
4a71df50 FB |
1657 | qeth_l3_free_vlan_addresses4(card, vid); |
1658 | qeth_l3_free_vlan_addresses6(card, vid); | |
0347af51 | 1659 | rcu_read_unlock(); |
4a71df50 FB |
1660 | } |
1661 | ||
80d5c368 PM |
1662 | static int qeth_l3_vlan_rx_add_vid(struct net_device *dev, |
1663 | __be16 proto, u16 vid) | |
4a71df50 | 1664 | { |
509e2562 | 1665 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 1666 | |
7ff0bcf6 | 1667 | set_bit(vid, card->active_vlans); |
8e586137 | 1668 | return 0; |
4a71df50 FB |
1669 | } |
1670 | ||
80d5c368 PM |
1671 | static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev, |
1672 | __be16 proto, u16 vid) | |
4a71df50 | 1673 | { |
509e2562 | 1674 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 1675 | |
847a50fd | 1676 | QETH_CARD_TEXT_(card, 4, "kid:%d", vid); |
5f78e29c | 1677 | |
8e98ac48 | 1678 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { |
847a50fd | 1679 | QETH_CARD_TEXT(card, 3, "kidREC"); |
8e586137 | 1680 | return 0; |
8e98ac48 | 1681 | } |
4a71df50 FB |
1682 | /* unregister IP addresses of vlan device */ |
1683 | qeth_l3_free_vlan_addresses(card, vid); | |
7ff0bcf6 | 1684 | clear_bit(vid, card->active_vlans); |
4a71df50 | 1685 | qeth_l3_set_multicast_list(card->dev); |
8e586137 | 1686 | return 0; |
4a71df50 FB |
1687 | } |
1688 | ||
10651db7 UB |
1689 | static inline int qeth_l3_rebuild_skb(struct qeth_card *card, |
1690 | struct sk_buff *skb, struct qeth_hdr *hdr, | |
1691 | unsigned short *vlan_id) | |
4a71df50 | 1692 | { |
4a71df50 FB |
1693 | __be16 prot; |
1694 | struct iphdr *ip_hdr; | |
1695 | unsigned char tg_addr[MAX_ADDR_LEN]; | |
10651db7 | 1696 | int is_vlan = 0; |
4a71df50 FB |
1697 | |
1698 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { | |
1699 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : | |
1700 | ETH_P_IP); | |
1701 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { | |
1702 | case QETH_CAST_MULTICAST: | |
1703 | switch (prot) { | |
1704 | #ifdef CONFIG_QETH_IPV6 | |
1705 | case __constant_htons(ETH_P_IPV6): | |
1706 | ndisc_mc_map((struct in6_addr *) | |
1707 | skb->data + 24, | |
1708 | tg_addr, card->dev, 0); | |
1709 | break; | |
1710 | #endif | |
1711 | case __constant_htons(ETH_P_IP): | |
1712 | ip_hdr = (struct iphdr *)skb->data; | |
4a71df50 FB |
1713 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); |
1714 | break; | |
1715 | default: | |
1716 | memcpy(tg_addr, card->dev->broadcast, | |
1717 | card->dev->addr_len); | |
1718 | } | |
1719 | card->stats.multicast++; | |
1720 | skb->pkt_type = PACKET_MULTICAST; | |
1721 | break; | |
1722 | case QETH_CAST_BROADCAST: | |
1723 | memcpy(tg_addr, card->dev->broadcast, | |
1724 | card->dev->addr_len); | |
1725 | card->stats.multicast++; | |
1726 | skb->pkt_type = PACKET_BROADCAST; | |
1727 | break; | |
1728 | case QETH_CAST_UNICAST: | |
1729 | case QETH_CAST_ANYCAST: | |
1730 | case QETH_CAST_NOCAST: | |
1731 | default: | |
76b11f8e UB |
1732 | if (card->options.sniffer) |
1733 | skb->pkt_type = PACKET_OTHERHOST; | |
1734 | else | |
1735 | skb->pkt_type = PACKET_HOST; | |
4a71df50 FB |
1736 | memcpy(tg_addr, card->dev->dev_addr, |
1737 | card->dev->addr_len); | |
1738 | } | |
fe94e2e0 UB |
1739 | if (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_SRC_MAC_ADDR) |
1740 | card->dev->header_ops->create(skb, card->dev, prot, | |
1741 | tg_addr, &hdr->hdr.l3.dest_addr[2], | |
1742 | card->dev->addr_len); | |
1743 | else | |
1744 | card->dev->header_ops->create(skb, card->dev, prot, | |
1745 | tg_addr, "FAKELL", card->dev->addr_len); | |
4a71df50 FB |
1746 | } |
1747 | ||
1abd2296 | 1748 | skb->protocol = eth_type_trans(skb, card->dev); |
4a71df50 FB |
1749 | |
1750 | if (hdr->hdr.l3.ext_flags & | |
1751 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { | |
10651db7 | 1752 | *vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME) ? |
4a71df50 | 1753 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); |
10651db7 | 1754 | is_vlan = 1; |
4a71df50 FB |
1755 | } |
1756 | ||
c5e631a8 | 1757 | if (card->dev->features & NETIF_F_RXCSUM) { |
4a71df50 | 1758 | if ((hdr->hdr.l3.ext_flags & |
b9139800 UB |
1759 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
1760 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == | |
1761 | (QETH_HDR_EXT_CSUM_HDR_REQ | | |
1762 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) | |
4a71df50 FB |
1763 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
1764 | else | |
b9139800 | 1765 | skb->ip_summed = CHECKSUM_NONE; |
c5e631a8 FB |
1766 | } else |
1767 | skb->ip_summed = CHECKSUM_NONE; | |
10651db7 | 1768 | return is_vlan; |
4a71df50 FB |
1769 | } |
1770 | ||
a1c3ed4c FB |
1771 | static int qeth_l3_process_inbound_buffer(struct qeth_card *card, |
1772 | int budget, int *done) | |
4a71df50 | 1773 | { |
a1c3ed4c | 1774 | int work_done = 0; |
4a71df50 FB |
1775 | struct sk_buff *skb; |
1776 | struct qeth_hdr *hdr; | |
4a71df50 | 1777 | __u16 vlan_tag = 0; |
10651db7 | 1778 | int is_vlan; |
4a71df50 | 1779 | unsigned int len; |
b3332930 | 1780 | __u16 magic; |
4a71df50 | 1781 | |
a1c3ed4c | 1782 | *done = 0; |
18af5c17 | 1783 | WARN_ON_ONCE(!budget); |
a1c3ed4c FB |
1784 | while (budget) { |
1785 | skb = qeth_core_get_next_skb(card, | |
b3332930 | 1786 | &card->qdio.in_q->bufs[card->rx.b_index], |
a1c3ed4c FB |
1787 | &card->rx.b_element, &card->rx.e_offset, &hdr); |
1788 | if (!skb) { | |
1789 | *done = 1; | |
1790 | break; | |
1791 | } | |
1792 | skb->dev = card->dev; | |
4a71df50 FB |
1793 | switch (hdr->hdr.l3.id) { |
1794 | case QETH_HEADER_TYPE_LAYER3: | |
b3332930 FB |
1795 | magic = *(__u16 *)skb->data; |
1796 | if ((card->info.type == QETH_CARD_TYPE_IQD) && | |
1797 | (magic == ETH_P_AF_IUCV)) { | |
1798 | skb->protocol = ETH_P_AF_IUCV; | |
1799 | skb->pkt_type = PACKET_HOST; | |
1800 | skb->mac_header = NET_SKB_PAD; | |
1801 | skb->dev = card->dev; | |
1802 | len = skb->len; | |
1803 | card->dev->header_ops->create(skb, card->dev, 0, | |
1804 | card->dev->dev_addr, "FAKELL", | |
1805 | card->dev->addr_len); | |
1806 | netif_receive_skb(skb); | |
1807 | } else { | |
1808 | is_vlan = qeth_l3_rebuild_skb(card, skb, hdr, | |
10651db7 | 1809 | &vlan_tag); |
b3332930 FB |
1810 | len = skb->len; |
1811 | if (is_vlan && !card->options.sniffer) | |
91b1c1aa PM |
1812 | __vlan_hwaccel_put_tag(skb, |
1813 | htons(ETH_P_8021Q), vlan_tag); | |
b3332930 FB |
1814 | napi_gro_receive(&card->napi, skb); |
1815 | } | |
4a71df50 | 1816 | break; |
76b11f8e UB |
1817 | case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */ |
1818 | skb->pkt_type = PACKET_HOST; | |
1819 | skb->protocol = eth_type_trans(skb, skb->dev); | |
76b11f8e UB |
1820 | len = skb->len; |
1821 | netif_receive_skb(skb); | |
1822 | break; | |
4a71df50 FB |
1823 | default: |
1824 | dev_kfree_skb_any(skb); | |
847a50fd | 1825 | QETH_CARD_TEXT(card, 3, "inbunkno"); |
d11ba0c4 | 1826 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
4a71df50 FB |
1827 | continue; |
1828 | } | |
a1c3ed4c FB |
1829 | work_done++; |
1830 | budget--; | |
4a71df50 FB |
1831 | card->stats.rx_packets++; |
1832 | card->stats.rx_bytes += len; | |
1833 | } | |
a1c3ed4c FB |
1834 | return work_done; |
1835 | } | |
1836 | ||
1837 | static int qeth_l3_poll(struct napi_struct *napi, int budget) | |
1838 | { | |
1839 | struct qeth_card *card = container_of(napi, struct qeth_card, napi); | |
1840 | int work_done = 0; | |
1841 | struct qeth_qdio_buffer *buffer; | |
1842 | int done; | |
1843 | int new_budget = budget; | |
1844 | ||
1845 | if (card->options.performance_stats) { | |
1846 | card->perf_stats.inbound_cnt++; | |
1847 | card->perf_stats.inbound_start_time = qeth_get_micros(); | |
1848 | } | |
1849 | ||
1850 | while (1) { | |
1851 | if (!card->rx.b_count) { | |
1852 | card->rx.qdio_err = 0; | |
1853 | card->rx.b_count = qdio_get_next_buffers( | |
1854 | card->data.ccwdev, 0, &card->rx.b_index, | |
1855 | &card->rx.qdio_err); | |
1856 | if (card->rx.b_count <= 0) { | |
1857 | card->rx.b_count = 0; | |
1858 | break; | |
1859 | } | |
1860 | card->rx.b_element = | |
1861 | &card->qdio.in_q->bufs[card->rx.b_index] | |
1862 | .buffer->element[0]; | |
1863 | card->rx.e_offset = 0; | |
1864 | } | |
1865 | ||
1866 | while (card->rx.b_count) { | |
1867 | buffer = &card->qdio.in_q->bufs[card->rx.b_index]; | |
1868 | if (!(card->rx.qdio_err && | |
1869 | qeth_check_qdio_errors(card, buffer->buffer, | |
1870 | card->rx.qdio_err, "qinerr"))) | |
1871 | work_done += qeth_l3_process_inbound_buffer( | |
1872 | card, new_budget, &done); | |
1873 | else | |
1874 | done = 1; | |
1875 | ||
1876 | if (done) { | |
1877 | if (card->options.performance_stats) | |
1878 | card->perf_stats.bufs_rec++; | |
1879 | qeth_put_buffer_pool_entry(card, | |
1880 | buffer->pool_entry); | |
1881 | qeth_queue_input_buffer(card, card->rx.b_index); | |
1882 | card->rx.b_count--; | |
1883 | if (card->rx.b_count) { | |
1884 | card->rx.b_index = | |
1885 | (card->rx.b_index + 1) % | |
1886 | QDIO_MAX_BUFFERS_PER_Q; | |
1887 | card->rx.b_element = | |
1888 | &card->qdio.in_q | |
1889 | ->bufs[card->rx.b_index] | |
1890 | .buffer->element[0]; | |
1891 | card->rx.e_offset = 0; | |
1892 | } | |
1893 | } | |
1894 | ||
1895 | if (work_done >= budget) | |
1896 | goto out; | |
1897 | else | |
1898 | new_budget = budget - work_done; | |
1899 | } | |
1900 | } | |
1901 | ||
1902 | napi_complete(napi); | |
1903 | if (qdio_start_irq(card->data.ccwdev, 0)) | |
1904 | napi_schedule(&card->napi); | |
1905 | out: | |
1906 | if (card->options.performance_stats) | |
1907 | card->perf_stats.inbound_time += qeth_get_micros() - | |
1908 | card->perf_stats.inbound_start_time; | |
1909 | return work_done; | |
4a71df50 FB |
1910 | } |
1911 | ||
1912 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, | |
1913 | struct qeth_card *card) | |
1914 | { | |
1915 | int rc = 0; | |
7ff0bcf6 | 1916 | u16 vid; |
4a71df50 | 1917 | |
7ff0bcf6 JP |
1918 | for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) { |
1919 | struct net_device *netdev; | |
4a71df50 | 1920 | |
7ff0bcf6 | 1921 | rcu_read_lock(); |
f06c7f9f | 1922 | netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q), |
91b1c1aa | 1923 | vid); |
7ff0bcf6 JP |
1924 | rcu_read_unlock(); |
1925 | if (netdev == dev) { | |
4a71df50 FB |
1926 | rc = QETH_VLAN_CARD; |
1927 | break; | |
1928 | } | |
1929 | } | |
1930 | ||
509e2562 | 1931 | if (rc && !(vlan_dev_real_dev(dev)->ml_priv == (void *)card)) |
4a71df50 FB |
1932 | return 0; |
1933 | ||
1934 | return rc; | |
1935 | } | |
1936 | ||
1937 | static int qeth_l3_verify_dev(struct net_device *dev) | |
1938 | { | |
1939 | struct qeth_card *card; | |
4a71df50 | 1940 | int rc = 0; |
5f78e29c | 1941 | unsigned long flags; |
4a71df50 FB |
1942 | |
1943 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); | |
1944 | list_for_each_entry(card, &qeth_core_card_list.list, list) { | |
1945 | if (card->dev == dev) { | |
1946 | rc = QETH_REAL_CARD; | |
1947 | break; | |
1948 | } | |
1949 | rc = qeth_l3_verify_vlan_dev(dev, card); | |
1950 | if (rc) | |
1951 | break; | |
1952 | } | |
1953 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); | |
1954 | ||
1955 | return rc; | |
1956 | } | |
1957 | ||
1958 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) | |
1959 | { | |
1960 | struct qeth_card *card = NULL; | |
1961 | int rc; | |
1962 | ||
1963 | rc = qeth_l3_verify_dev(dev); | |
1964 | if (rc == QETH_REAL_CARD) | |
509e2562 | 1965 | card = dev->ml_priv; |
4a71df50 | 1966 | else if (rc == QETH_VLAN_CARD) |
509e2562 | 1967 | card = vlan_dev_real_dev(dev)->ml_priv; |
e5bd7be5 | 1968 | if (card && card->options.layer2) |
4a71df50 | 1969 | card = NULL; |
847a50fd CO |
1970 | if (card) |
1971 | QETH_CARD_TEXT_(card, 4, "%d", rc); | |
4a71df50 FB |
1972 | return card ; |
1973 | } | |
1974 | ||
b2f4de8b | 1975 | static void qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) |
4a71df50 | 1976 | { |
d11ba0c4 PT |
1977 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
1978 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 FB |
1979 | |
1980 | qeth_set_allowed_threads(card, 0, 1); | |
76b11f8e UB |
1981 | if (card->options.sniffer && |
1982 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) | |
1983 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); | |
4a71df50 FB |
1984 | if (card->read.state == CH_STATE_UP && |
1985 | card->write.state == CH_STATE_UP && | |
1986 | (card->state == CARD_STATE_UP)) { | |
1987 | if (recovery_mode) | |
1988 | qeth_l3_stop(card->dev); | |
8af7c5ae | 1989 | else { |
869da90b UB |
1990 | rtnl_lock(); |
1991 | dev_close(card->dev); | |
1992 | rtnl_unlock(); | |
8af7c5ae | 1993 | } |
4a71df50 FB |
1994 | card->state = CARD_STATE_SOFTSETUP; |
1995 | } | |
1996 | if (card->state == CARD_STATE_SOFTSETUP) { | |
5f78e29c | 1997 | qeth_l3_clear_ip_htable(card, 1); |
4a71df50 FB |
1998 | qeth_clear_ipacmd_list(card); |
1999 | card->state = CARD_STATE_HARDSETUP; | |
2000 | } | |
2001 | if (card->state == CARD_STATE_HARDSETUP) { | |
4a71df50 FB |
2002 | qeth_qdio_clear_card(card, 0); |
2003 | qeth_clear_qdio_buffers(card); | |
2004 | qeth_clear_working_pool_list(card); | |
2005 | card->state = CARD_STATE_DOWN; | |
2006 | } | |
2007 | if (card->state == CARD_STATE_DOWN) { | |
2008 | qeth_clear_cmd_buffers(&card->read); | |
2009 | qeth_clear_cmd_buffers(&card->write); | |
2010 | } | |
4a71df50 FB |
2011 | } |
2012 | ||
76b11f8e UB |
2013 | /* |
2014 | * test for and Switch promiscuous mode (on or off) | |
2015 | * either for guestlan or HiperSocket Sniffer | |
2016 | */ | |
2017 | static void | |
2018 | qeth_l3_handle_promisc_mode(struct qeth_card *card) | |
2019 | { | |
2020 | struct net_device *dev = card->dev; | |
2021 | ||
2022 | if (((dev->flags & IFF_PROMISC) && | |
2023 | (card->info.promisc_mode == SET_PROMISC_MODE_ON)) || | |
2024 | (!(dev->flags & IFF_PROMISC) && | |
2025 | (card->info.promisc_mode == SET_PROMISC_MODE_OFF))) | |
2026 | return; | |
2027 | ||
2028 | if (card->info.guestlan) { /* Guestlan trace */ | |
2029 | if (qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) | |
2030 | qeth_setadp_promisc_mode(card); | |
2031 | } else if (card->options.sniffer && /* HiperSockets trace */ | |
2032 | qeth_adp_supported(card, IPA_SETADP_SET_DIAG_ASSIST)) { | |
2033 | if (dev->flags & IFF_PROMISC) { | |
847a50fd | 2034 | QETH_CARD_TEXT(card, 3, "+promisc"); |
76b11f8e UB |
2035 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_ENABLE); |
2036 | } else { | |
847a50fd | 2037 | QETH_CARD_TEXT(card, 3, "-promisc"); |
76b11f8e UB |
2038 | qeth_diags_trace(card, QETH_DIAGS_CMD_TRACE_DISABLE); |
2039 | } | |
2040 | } | |
2041 | } | |
2042 | ||
4a71df50 FB |
2043 | static void qeth_l3_set_multicast_list(struct net_device *dev) |
2044 | { | |
509e2562 | 2045 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 2046 | |
847a50fd | 2047 | QETH_CARD_TEXT(card, 3, "setmulti"); |
8e98ac48 UB |
2048 | if (qeth_threads_running(card, QETH_RECOVER_THREAD) && |
2049 | (card->state != CARD_STATE_UP)) | |
2050 | return; | |
76b11f8e | 2051 | if (!card->options.sniffer) { |
5f78e29c LD |
2052 | |
2053 | spin_lock_bh(&card->mclock); | |
2054 | ||
2055 | qeth_l3_mark_all_mc_to_be_deleted(card); | |
2056 | ||
76b11f8e | 2057 | qeth_l3_add_multicast_ipv4(card); |
4a71df50 | 2058 | #ifdef CONFIG_QETH_IPV6 |
76b11f8e | 2059 | qeth_l3_add_multicast_ipv6(card); |
4a71df50 | 2060 | #endif |
5f78e29c LD |
2061 | qeth_l3_delete_nonused_mc(card); |
2062 | qeth_l3_add_all_new_mc(card); | |
2063 | ||
2064 | spin_unlock_bh(&card->mclock); | |
2065 | ||
76b11f8e UB |
2066 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) |
2067 | return; | |
2068 | } | |
2069 | qeth_l3_handle_promisc_mode(card); | |
4a71df50 FB |
2070 | } |
2071 | ||
2072 | static const char *qeth_l3_arp_get_error_cause(int *rc) | |
2073 | { | |
2074 | switch (*rc) { | |
2075 | case QETH_IPA_ARP_RC_FAILED: | |
2076 | *rc = -EIO; | |
2077 | return "operation failed"; | |
2078 | case QETH_IPA_ARP_RC_NOTSUPP: | |
2079 | *rc = -EOPNOTSUPP; | |
2080 | return "operation not supported"; | |
2081 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: | |
2082 | *rc = -EINVAL; | |
2083 | return "argument out of range"; | |
2084 | case QETH_IPA_ARP_RC_Q_NOTSUPP: | |
2085 | *rc = -EOPNOTSUPP; | |
2086 | return "query operation not supported"; | |
2087 | case QETH_IPA_ARP_RC_Q_NO_DATA: | |
2088 | *rc = -ENOENT; | |
2089 | return "no query data available"; | |
2090 | default: | |
2091 | return "unknown error"; | |
2092 | } | |
2093 | } | |
2094 | ||
2095 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) | |
2096 | { | |
2097 | int tmp; | |
2098 | int rc; | |
2099 | ||
847a50fd | 2100 | QETH_CARD_TEXT(card, 3, "arpstnoe"); |
4a71df50 FB |
2101 | |
2102 | /* | |
2103 | * currently GuestLAN only supports the ARP assist function | |
2104 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; | |
2105 | * thus we say EOPNOTSUPP for this ARP function | |
2106 | */ | |
2107 | if (card->info.guestlan) | |
2108 | return -EOPNOTSUPP; | |
2109 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2110 | return -EOPNOTSUPP; |
2111 | } | |
4d7def2a | 2112 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
4a71df50 FB |
2113 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, |
2114 | no_entries); | |
2115 | if (rc) { | |
2116 | tmp = rc; | |
14cc21b6 FB |
2117 | QETH_DBF_MESSAGE(2, "Could not set number of ARP entries on " |
2118 | "%s: %s (0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2119 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2120 | } | |
2121 | return rc; | |
2122 | } | |
2123 | ||
d0ddf30f EL |
2124 | static __u32 get_arp_entry_size(struct qeth_card *card, |
2125 | struct qeth_arp_query_data *qdata, | |
2126 | struct qeth_arp_entrytype *type, __u8 strip_entries) | |
4a71df50 | 2127 | { |
d0ddf30f EL |
2128 | __u32 rc; |
2129 | __u8 is_hsi; | |
4a71df50 | 2130 | |
d0ddf30f EL |
2131 | is_hsi = qdata->reply_bits == 5; |
2132 | if (type->ip == QETHARP_IP_ADDR_V4) { | |
2133 | QETH_CARD_TEXT(card, 4, "arpev4"); | |
2134 | if (strip_entries) { | |
2135 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5_short) : | |
2136 | sizeof(struct qeth_arp_qi_entry7_short); | |
2137 | } else { | |
2138 | rc = is_hsi ? sizeof(struct qeth_arp_qi_entry5) : | |
2139 | sizeof(struct qeth_arp_qi_entry7); | |
2140 | } | |
2141 | } else if (type->ip == QETHARP_IP_ADDR_V6) { | |
2142 | QETH_CARD_TEXT(card, 4, "arpev6"); | |
2143 | if (strip_entries) { | |
2144 | rc = is_hsi ? | |
2145 | sizeof(struct qeth_arp_qi_entry5_short_ipv6) : | |
2146 | sizeof(struct qeth_arp_qi_entry7_short_ipv6); | |
2147 | } else { | |
2148 | rc = is_hsi ? | |
2149 | sizeof(struct qeth_arp_qi_entry5_ipv6) : | |
2150 | sizeof(struct qeth_arp_qi_entry7_ipv6); | |
2151 | } | |
2152 | } else { | |
2153 | QETH_CARD_TEXT(card, 4, "arpinv"); | |
2154 | rc = 0; | |
4a71df50 | 2155 | } |
d0ddf30f EL |
2156 | |
2157 | return rc; | |
2158 | } | |
2159 | ||
2160 | static int arpentry_matches_prot(struct qeth_arp_entrytype *type, __u16 prot) | |
2161 | { | |
2162 | return (type->ip == QETHARP_IP_ADDR_V4 && prot == QETH_PROT_IPV4) || | |
2163 | (type->ip == QETHARP_IP_ADDR_V6 && prot == QETH_PROT_IPV6); | |
4a71df50 FB |
2164 | } |
2165 | ||
2166 | static int qeth_l3_arp_query_cb(struct qeth_card *card, | |
2167 | struct qeth_reply *reply, unsigned long data) | |
2168 | { | |
2169 | struct qeth_ipa_cmd *cmd; | |
2170 | struct qeth_arp_query_data *qdata; | |
2171 | struct qeth_arp_query_info *qinfo; | |
4a71df50 | 2172 | int i; |
d0ddf30f EL |
2173 | int e; |
2174 | int entrybytes_done; | |
2175 | int stripped_bytes; | |
2176 | __u8 do_strip_entries; | |
4a71df50 | 2177 | |
d0ddf30f | 2178 | QETH_CARD_TEXT(card, 3, "arpquecb"); |
4a71df50 FB |
2179 | |
2180 | qinfo = (struct qeth_arp_query_info *) reply->param; | |
2181 | cmd = (struct qeth_ipa_cmd *) data; | |
d0ddf30f | 2182 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.prot_version); |
4a71df50 | 2183 | if (cmd->hdr.return_code) { |
d0ddf30f EL |
2184 | QETH_CARD_TEXT(card, 4, "arpcberr"); |
2185 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2186 | return 0; |
2187 | } | |
2188 | if (cmd->data.setassparms.hdr.return_code) { | |
2189 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; | |
d0ddf30f EL |
2190 | QETH_CARD_TEXT(card, 4, "setaperr"); |
2191 | QETH_CARD_TEXT_(card, 4, "%i", cmd->hdr.return_code); | |
4a71df50 FB |
2192 | return 0; |
2193 | } | |
2194 | qdata = &cmd->data.setassparms.data.query_arp; | |
847a50fd | 2195 | QETH_CARD_TEXT_(card, 4, "anoen%i", qdata->no_entries); |
4a71df50 | 2196 | |
d0ddf30f EL |
2197 | do_strip_entries = (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) > 0; |
2198 | stripped_bytes = do_strip_entries ? QETH_QARP_MEDIASPECIFIC_BYTES : 0; | |
2199 | entrybytes_done = 0; | |
2200 | for (e = 0; e < qdata->no_entries; ++e) { | |
2201 | char *cur_entry; | |
2202 | __u32 esize; | |
2203 | struct qeth_arp_entrytype *etype; | |
2204 | ||
2205 | cur_entry = &qdata->data + entrybytes_done; | |
2206 | etype = &((struct qeth_arp_qi_entry5 *) cur_entry)->type; | |
2207 | if (!arpentry_matches_prot(etype, cmd->hdr.prot_version)) { | |
2208 | QETH_CARD_TEXT(card, 4, "pmis"); | |
2209 | QETH_CARD_TEXT_(card, 4, "%i", etype->ip); | |
2210 | break; | |
2211 | } | |
2212 | esize = get_arp_entry_size(card, qdata, etype, | |
2213 | do_strip_entries); | |
2214 | QETH_CARD_TEXT_(card, 5, "esz%i", esize); | |
2215 | if (!esize) | |
2216 | break; | |
2217 | ||
2218 | if ((qinfo->udata_len - qinfo->udata_offset) < esize) { | |
2219 | QETH_CARD_TEXT_(card, 4, "qaer3%i", -ENOMEM); | |
e0a8114c | 2220 | cmd->hdr.return_code = IPA_RC_ENOMEM; |
d0ddf30f EL |
2221 | goto out_error; |
2222 | } | |
4a71df50 | 2223 | |
d0ddf30f EL |
2224 | memcpy(qinfo->udata + qinfo->udata_offset, |
2225 | &qdata->data + entrybytes_done + stripped_bytes, | |
2226 | esize); | |
2227 | entrybytes_done += esize + stripped_bytes; | |
2228 | qinfo->udata_offset += esize; | |
2229 | ++qinfo->no_entries; | |
2230 | } | |
4a71df50 FB |
2231 | /* check if all replies received ... */ |
2232 | if (cmd->data.setassparms.hdr.seq_no < | |
2233 | cmd->data.setassparms.hdr.number_of_replies) | |
2234 | return 1; | |
d0ddf30f | 2235 | QETH_CARD_TEXT_(card, 4, "nove%i", qinfo->no_entries); |
4a71df50 FB |
2236 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
2237 | /* keep STRIP_ENTRIES flag so the user program can distinguish | |
2238 | * stripped entries from normal ones */ | |
2239 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) | |
2240 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; | |
2241 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); | |
d0ddf30f | 2242 | QETH_CARD_TEXT_(card, 4, "rc%i", 0); |
4a71df50 FB |
2243 | return 0; |
2244 | out_error: | |
2245 | i = 0; | |
2246 | memcpy(qinfo->udata, &i, 4); | |
2247 | return 0; | |
2248 | } | |
2249 | ||
2250 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, | |
2251 | struct qeth_cmd_buffer *iob, int len, | |
2252 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, | |
2253 | unsigned long), | |
2254 | void *reply_param) | |
2255 | { | |
847a50fd | 2256 | QETH_CARD_TEXT(card, 4, "sendarp"); |
4a71df50 FB |
2257 | |
2258 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); | |
2259 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), | |
2260 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); | |
2261 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, | |
2262 | reply_cb, reply_param); | |
2263 | } | |
2264 | ||
d0ddf30f EL |
2265 | static int qeth_l3_query_arp_cache_info(struct qeth_card *card, |
2266 | enum qeth_prot_versions prot, | |
2267 | struct qeth_arp_query_info *qinfo) | |
4a71df50 FB |
2268 | { |
2269 | struct qeth_cmd_buffer *iob; | |
d0ddf30f | 2270 | struct qeth_ipa_cmd *cmd; |
4a71df50 FB |
2271 | int tmp; |
2272 | int rc; | |
2273 | ||
d0ddf30f EL |
2274 | QETH_CARD_TEXT_(card, 3, "qarpipv%i", prot); |
2275 | ||
b475e316 TR |
2276 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
2277 | IPA_CMD_ASS_ARP_QUERY_INFO, | |
2278 | sizeof(struct qeth_arp_query_data) | |
2279 | - sizeof(char), | |
2280 | prot); | |
1aec42bc TR |
2281 | if (!iob) |
2282 | return -ENOMEM; | |
d0ddf30f EL |
2283 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
2284 | cmd->data.setassparms.data.query_arp.request_bits = 0x000F; | |
2285 | cmd->data.setassparms.data.query_arp.reply_bits = 0; | |
2286 | cmd->data.setassparms.data.query_arp.no_entries = 0; | |
2287 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, | |
2288 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, | |
2289 | qeth_l3_arp_query_cb, (void *)qinfo); | |
2290 | if (rc) { | |
2291 | tmp = rc; | |
2292 | QETH_DBF_MESSAGE(2, | |
2293 | "Error while querying ARP cache on %s: %s " | |
2294 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
2295 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
2296 | } | |
2297 | ||
2298 | return rc; | |
2299 | } | |
2300 | ||
2301 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) | |
2302 | { | |
2303 | struct qeth_arp_query_info qinfo = {0, }; | |
2304 | int rc; | |
2305 | ||
847a50fd | 2306 | QETH_CARD_TEXT(card, 3, "arpquery"); |
4a71df50 FB |
2307 | |
2308 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ | |
2309 | IPA_ARP_PROCESSING)) { | |
d0ddf30f EL |
2310 | QETH_CARD_TEXT(card, 3, "arpqnsup"); |
2311 | rc = -EOPNOTSUPP; | |
2312 | goto out; | |
4a71df50 FB |
2313 | } |
2314 | /* get size of userspace buffer and mask_bits -> 6 bytes */ | |
d0ddf30f EL |
2315 | if (copy_from_user(&qinfo, udata, 6)) { |
2316 | rc = -EFAULT; | |
2317 | goto out; | |
2318 | } | |
4a71df50 | 2319 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
d0ddf30f EL |
2320 | if (!qinfo.udata) { |
2321 | rc = -ENOMEM; | |
2322 | goto out; | |
2323 | } | |
4a71df50 | 2324 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
d0ddf30f | 2325 | rc = qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV4, &qinfo); |
4a71df50 | 2326 | if (rc) { |
4a71df50 FB |
2327 | if (copy_to_user(udata, qinfo.udata, 4)) |
2328 | rc = -EFAULT; | |
77a83ed1 SO |
2329 | goto free_and_out; |
2330 | } | |
d0ddf30f | 2331 | #ifdef CONFIG_QETH_IPV6 |
77a83ed1 SO |
2332 | if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) { |
2333 | /* fails in case of GuestLAN QDIO mode */ | |
2334 | qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, &qinfo); | |
2335 | } | |
d0ddf30f | 2336 | #endif |
77a83ed1 SO |
2337 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) { |
2338 | QETH_CARD_TEXT(card, 4, "qactf"); | |
2339 | rc = -EFAULT; | |
2340 | goto free_and_out; | |
4a71df50 | 2341 | } |
77a83ed1 SO |
2342 | QETH_CARD_TEXT(card, 4, "qacts"); |
2343 | ||
d0ddf30f | 2344 | free_and_out: |
4a71df50 | 2345 | kfree(qinfo.udata); |
d0ddf30f | 2346 | out: |
4a71df50 FB |
2347 | return rc; |
2348 | } | |
2349 | ||
2350 | static int qeth_l3_arp_add_entry(struct qeth_card *card, | |
2351 | struct qeth_arp_cache_entry *entry) | |
2352 | { | |
2353 | struct qeth_cmd_buffer *iob; | |
2354 | char buf[16]; | |
2355 | int tmp; | |
2356 | int rc; | |
2357 | ||
847a50fd | 2358 | QETH_CARD_TEXT(card, 3, "arpadent"); |
4a71df50 FB |
2359 | |
2360 | /* | |
2361 | * currently GuestLAN only supports the ARP assist function | |
2362 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; | |
2363 | * thus we say EOPNOTSUPP for this ARP function | |
2364 | */ | |
2365 | if (card->info.guestlan) | |
2366 | return -EOPNOTSUPP; | |
2367 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2368 | return -EOPNOTSUPP; |
2369 | } | |
2370 | ||
b475e316 | 2371 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
4a71df50 FB |
2372 | IPA_CMD_ASS_ARP_ADD_ENTRY, |
2373 | sizeof(struct qeth_arp_cache_entry), | |
2374 | QETH_PROT_IPV4); | |
1aec42bc TR |
2375 | if (!iob) |
2376 | return -ENOMEM; | |
4d7def2a | 2377 | rc = qeth_send_setassparms(card, iob, |
4a71df50 FB |
2378 | sizeof(struct qeth_arp_cache_entry), |
2379 | (unsigned long) entry, | |
8f43fb00 | 2380 | qeth_setassparms_cb, NULL); |
4a71df50 FB |
2381 | if (rc) { |
2382 | tmp = rc; | |
2383 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2384 | QETH_DBF_MESSAGE(2, "Could not add ARP entry for address %s " |
2385 | "on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2386 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2387 | } |
2388 | return rc; | |
2389 | } | |
2390 | ||
2391 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, | |
2392 | struct qeth_arp_cache_entry *entry) | |
2393 | { | |
2394 | struct qeth_cmd_buffer *iob; | |
2395 | char buf[16] = {0, }; | |
2396 | int tmp; | |
2397 | int rc; | |
2398 | ||
847a50fd | 2399 | QETH_CARD_TEXT(card, 3, "arprment"); |
4a71df50 FB |
2400 | |
2401 | /* | |
2402 | * currently GuestLAN only supports the ARP assist function | |
2403 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; | |
2404 | * thus we say EOPNOTSUPP for this ARP function | |
2405 | */ | |
2406 | if (card->info.guestlan) | |
2407 | return -EOPNOTSUPP; | |
2408 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2409 | return -EOPNOTSUPP; |
2410 | } | |
2411 | memcpy(buf, entry, 12); | |
b475e316 | 2412 | iob = qeth_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
4a71df50 FB |
2413 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, |
2414 | 12, | |
2415 | QETH_PROT_IPV4); | |
1aec42bc TR |
2416 | if (!iob) |
2417 | return -ENOMEM; | |
4d7def2a | 2418 | rc = qeth_send_setassparms(card, iob, |
4a71df50 | 2419 | 12, (unsigned long)buf, |
8f43fb00 | 2420 | qeth_setassparms_cb, NULL); |
4a71df50 FB |
2421 | if (rc) { |
2422 | tmp = rc; | |
2423 | memset(buf, 0, 16); | |
2424 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); | |
14cc21b6 FB |
2425 | QETH_DBF_MESSAGE(2, "Could not delete ARP entry for address %s" |
2426 | " on %s: %s (0x%x/%d)\n", buf, QETH_CARD_IFNAME(card), | |
2427 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); | |
4a71df50 FB |
2428 | } |
2429 | return rc; | |
2430 | } | |
2431 | ||
2432 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) | |
2433 | { | |
2434 | int rc; | |
2435 | int tmp; | |
2436 | ||
847a50fd | 2437 | QETH_CARD_TEXT(card, 3, "arpflush"); |
4a71df50 FB |
2438 | |
2439 | /* | |
2440 | * currently GuestLAN only supports the ARP assist function | |
2441 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; | |
2442 | * thus we say EOPNOTSUPP for this ARP function | |
2443 | */ | |
2444 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) | |
2445 | return -EOPNOTSUPP; | |
2446 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { | |
4a71df50 FB |
2447 | return -EOPNOTSUPP; |
2448 | } | |
4d7def2a | 2449 | rc = qeth_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
4a71df50 FB |
2450 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); |
2451 | if (rc) { | |
2452 | tmp = rc; | |
14cc21b6 FB |
2453 | QETH_DBF_MESSAGE(2, "Could not flush ARP cache on %s: %s " |
2454 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), | |
4a71df50 FB |
2455 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
2456 | } | |
2457 | return rc; | |
2458 | } | |
2459 | ||
2460 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2461 | { | |
509e2562 | 2462 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2463 | struct qeth_arp_cache_entry arp_entry; |
2464 | struct mii_ioctl_data *mii_data; | |
2465 | int rc = 0; | |
2466 | ||
2467 | if (!card) | |
2468 | return -ENODEV; | |
2469 | ||
c3521254 | 2470 | if (!qeth_card_hw_is_reachable(card)) |
4a71df50 FB |
2471 | return -ENODEV; |
2472 | ||
2473 | switch (cmd) { | |
2474 | case SIOC_QETH_ARP_SET_NO_ENTRIES: | |
2475 | if (!capable(CAP_NET_ADMIN)) { | |
2476 | rc = -EPERM; | |
2477 | break; | |
2478 | } | |
2479 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); | |
2480 | break; | |
2481 | case SIOC_QETH_ARP_QUERY_INFO: | |
2482 | if (!capable(CAP_NET_ADMIN)) { | |
2483 | rc = -EPERM; | |
2484 | break; | |
2485 | } | |
2486 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); | |
2487 | break; | |
2488 | case SIOC_QETH_ARP_ADD_ENTRY: | |
2489 | if (!capable(CAP_NET_ADMIN)) { | |
2490 | rc = -EPERM; | |
2491 | break; | |
2492 | } | |
2493 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2494 | sizeof(struct qeth_arp_cache_entry))) | |
2495 | rc = -EFAULT; | |
2496 | else | |
2497 | rc = qeth_l3_arp_add_entry(card, &arp_entry); | |
2498 | break; | |
2499 | case SIOC_QETH_ARP_REMOVE_ENTRY: | |
2500 | if (!capable(CAP_NET_ADMIN)) { | |
2501 | rc = -EPERM; | |
2502 | break; | |
2503 | } | |
2504 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, | |
2505 | sizeof(struct qeth_arp_cache_entry))) | |
2506 | rc = -EFAULT; | |
2507 | else | |
2508 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); | |
2509 | break; | |
2510 | case SIOC_QETH_ARP_FLUSH_CACHE: | |
2511 | if (!capable(CAP_NET_ADMIN)) { | |
2512 | rc = -EPERM; | |
2513 | break; | |
2514 | } | |
2515 | rc = qeth_l3_arp_flush_cache(card); | |
2516 | break; | |
2517 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: | |
2518 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); | |
2519 | break; | |
2520 | case SIOC_QETH_GET_CARD_TYPE: | |
5113fec0 UB |
2521 | if ((card->info.type == QETH_CARD_TYPE_OSD || |
2522 | card->info.type == QETH_CARD_TYPE_OSX) && | |
4a71df50 FB |
2523 | !card->info.guestlan) |
2524 | return 1; | |
2525 | return 0; | |
2526 | break; | |
2527 | case SIOCGMIIPHY: | |
2528 | mii_data = if_mii(rq); | |
2529 | mii_data->phy_id = 0; | |
2530 | break; | |
2531 | case SIOCGMIIREG: | |
2532 | mii_data = if_mii(rq); | |
2533 | if (mii_data->phy_id != 0) | |
2534 | rc = -EINVAL; | |
2535 | else | |
2536 | mii_data->val_out = qeth_mdio_read(dev, | |
2537 | mii_data->phy_id, | |
2538 | mii_data->reg_num); | |
2539 | break; | |
c3ab96f3 FB |
2540 | case SIOC_QETH_QUERY_OAT: |
2541 | rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data); | |
2542 | break; | |
4a71df50 FB |
2543 | default: |
2544 | rc = -EOPNOTSUPP; | |
2545 | } | |
2546 | if (rc) | |
847a50fd | 2547 | QETH_CARD_TEXT_(card, 2, "ioce%d", rc); |
4a71df50 FB |
2548 | return rc; |
2549 | } | |
2550 | ||
ce73e10e KDW |
2551 | int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) |
2552 | { | |
2553 | int cast_type = RTN_UNSPEC; | |
69cce1d1 DM |
2554 | struct neighbour *n = NULL; |
2555 | struct dst_entry *dst; | |
2556 | ||
1d36cb47 | 2557 | rcu_read_lock(); |
69cce1d1 DM |
2558 | dst = skb_dst(skb); |
2559 | if (dst) | |
24db1ba8 | 2560 | n = dst_neigh_lookup_skb(dst, skb); |
69cce1d1 DM |
2561 | if (n) { |
2562 | cast_type = n->type; | |
1d36cb47 | 2563 | rcu_read_unlock(); |
24db1ba8 | 2564 | neigh_release(n); |
ce73e10e KDW |
2565 | if ((cast_type == RTN_BROADCAST) || |
2566 | (cast_type == RTN_MULTICAST) || | |
2567 | (cast_type == RTN_ANYCAST)) | |
2568 | return cast_type; | |
2569 | else | |
2570 | return RTN_UNSPEC; | |
2571 | } | |
1d36cb47 FB |
2572 | rcu_read_unlock(); |
2573 | ||
ce73e10e KDW |
2574 | /* try something else */ |
2575 | if (skb->protocol == ETH_P_IPV6) | |
2576 | return (skb_network_header(skb)[24] == 0xff) ? | |
2577 | RTN_MULTICAST : 0; | |
2578 | else if (skb->protocol == ETH_P_IP) | |
2579 | return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? | |
2580 | RTN_MULTICAST : 0; | |
2581 | /* ... */ | |
2582 | if (!memcmp(skb->data, skb->dev->broadcast, 6)) | |
2583 | return RTN_BROADCAST; | |
2584 | else { | |
2585 | u16 hdr_mac; | |
2586 | ||
2587 | hdr_mac = *((u16 *)skb->data); | |
2588 | /* tr multicast? */ | |
2589 | switch (card->info.link_type) { | |
2590 | case QETH_LINK_TYPE_HSTR: | |
2591 | case QETH_LINK_TYPE_LANE_TR: | |
2592 | if ((hdr_mac == QETH_TR_MAC_NC) || | |
2593 | (hdr_mac == QETH_TR_MAC_C)) | |
2594 | return RTN_MULTICAST; | |
2595 | break; | |
2596 | /* eth or so multicast? */ | |
2597 | default: | |
2598 | if ((hdr_mac == QETH_ETH_MAC_V4) || | |
2599 | (hdr_mac == QETH_ETH_MAC_V6)) | |
2600 | return RTN_MULTICAST; | |
2601 | } | |
2602 | } | |
2603 | return cast_type; | |
2604 | } | |
2605 | ||
b3332930 FB |
2606 | static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, |
2607 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2608 | { | |
2609 | char daddr[16]; | |
2610 | struct af_iucv_trans_hdr *iucv_hdr; | |
2611 | ||
2612 | skb_pull(skb, 14); | |
2613 | card->dev->header_ops->create(skb, card->dev, 0, | |
2614 | card->dev->dev_addr, card->dev->dev_addr, | |
2615 | card->dev->addr_len); | |
2616 | skb_pull(skb, 14); | |
2617 | iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; | |
2618 | memset(hdr, 0, sizeof(struct qeth_hdr)); | |
2619 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2620 | hdr->hdr.l3.ext_flags = 0; | |
2621 | hdr->hdr.l3.length = skb->len; | |
2622 | hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; | |
2623 | memset(daddr, 0, sizeof(daddr)); | |
2624 | daddr[0] = 0xfe; | |
2625 | daddr[1] = 0x80; | |
2626 | memcpy(&daddr[8], iucv_hdr->destUserID, 8); | |
2627 | memcpy(hdr->hdr.l3.dest_addr, daddr, 16); | |
2628 | } | |
2629 | ||
4a71df50 FB |
2630 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
2631 | struct sk_buff *skb, int ipv, int cast_type) | |
2632 | { | |
69cce1d1 DM |
2633 | struct dst_entry *dst; |
2634 | ||
4a71df50 FB |
2635 | memset(hdr, 0, sizeof(struct qeth_hdr)); |
2636 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; | |
2637 | hdr->hdr.l3.ext_flags = 0; | |
2638 | ||
2639 | /* | |
2640 | * before we're going to overwrite this location with next hop ip. | |
2641 | * v6 uses passthrough, v4 sets the tag in the QDIO header. | |
2642 | */ | |
df8a39de | 2643 | if (skb_vlan_tag_present(skb)) { |
213298f8 FB |
2644 | if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD)) |
2645 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME; | |
2646 | else | |
2647 | hdr->hdr.l3.ext_flags = QETH_HDR_EXT_INCLUDE_VLAN_TAG; | |
df8a39de | 2648 | hdr->hdr.l3.vlan_id = skb_vlan_tag_get(skb); |
4a71df50 FB |
2649 | } |
2650 | ||
2651 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); | |
1d36cb47 FB |
2652 | |
2653 | rcu_read_lock(); | |
69cce1d1 | 2654 | dst = skb_dst(skb); |
4a71df50 | 2655 | if (ipv == 4) { |
87e7597b DM |
2656 | struct rtable *rt = (struct rtable *) dst; |
2657 | __be32 *pkey = &ip_hdr(skb)->daddr; | |
2658 | ||
2659 | if (rt->rt_gateway) | |
2660 | pkey = &rt->rt_gateway; | |
2661 | ||
4a71df50 FB |
2662 | /* IPv4 */ |
2663 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); | |
2664 | memset(hdr->hdr.l3.dest_addr, 0, 12); | |
87e7597b | 2665 | *((__be32 *) (&hdr->hdr.l3.dest_addr[12])) = *pkey; |
4a71df50 | 2666 | } else if (ipv == 6) { |
87e7597b DM |
2667 | struct rt6_info *rt = (struct rt6_info *) dst; |
2668 | struct in6_addr *pkey = &ipv6_hdr(skb)->daddr; | |
2669 | ||
2670 | if (!ipv6_addr_any(&rt->rt6i_gateway)) | |
2671 | pkey = &rt->rt6i_gateway; | |
2672 | ||
4a71df50 FB |
2673 | /* IPv6 */ |
2674 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); | |
2675 | if (card->info.type == QETH_CARD_TYPE_IQD) | |
2676 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; | |
87e7597b | 2677 | memcpy(hdr->hdr.l3.dest_addr, pkey, 16); |
4a71df50 | 2678 | } else { |
1abd2296 | 2679 | if (!memcmp(skb->data + sizeof(struct qeth_hdr), |
4a71df50 FB |
2680 | skb->dev->broadcast, 6)) { |
2681 | /* broadcast? */ | |
2682 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | | |
2683 | QETH_HDR_PASSTHRU; | |
2684 | } else { | |
2685 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? | |
2686 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : | |
2687 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; | |
2688 | } | |
2689 | } | |
1d36cb47 | 2690 | rcu_read_unlock(); |
4a71df50 FB |
2691 | } |
2692 | ||
f6b85b6c FB |
2693 | static inline void qeth_l3_hdr_csum(struct qeth_card *card, |
2694 | struct qeth_hdr *hdr, struct sk_buff *skb) | |
2695 | { | |
2696 | struct iphdr *iph = ip_hdr(skb); | |
2697 | ||
2698 | /* tcph->check contains already the pseudo hdr checksum | |
2699 | * so just set the header flags | |
2700 | */ | |
2701 | if (iph->protocol == IPPROTO_UDP) | |
2702 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_UDP; | |
16c0f936 FB |
2703 | hdr->hdr.l3.ext_flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ | |
2704 | QETH_HDR_EXT_CSUM_HDR_REQ; | |
2705 | iph->check = 0; | |
f6b85b6c FB |
2706 | if (card->options.performance_stats) |
2707 | card->perf_stats.tx_csum++; | |
2708 | } | |
2709 | ||
64ef8957 FB |
2710 | static void qeth_tso_fill_header(struct qeth_card *card, |
2711 | struct qeth_hdr *qhdr, struct sk_buff *skb) | |
2712 | { | |
2713 | struct qeth_hdr_tso *hdr = (struct qeth_hdr_tso *)qhdr; | |
2714 | struct tcphdr *tcph = tcp_hdr(skb); | |
2715 | struct iphdr *iph = ip_hdr(skb); | |
2716 | struct ipv6hdr *ip6h = ipv6_hdr(skb); | |
2717 | ||
2718 | /*fix header to TSO values ...*/ | |
2719 | hdr->hdr.hdr.l3.id = QETH_HEADER_TYPE_TSO; | |
8fa9208e | 2720 | hdr->hdr.hdr.l3.length = skb->len - sizeof(struct qeth_hdr_tso); |
64ef8957 FB |
2721 | /*set values which are fix for the first approach ...*/ |
2722 | hdr->ext.hdr_tot_len = (__u16) sizeof(struct qeth_hdr_ext_tso); | |
2723 | hdr->ext.imb_hdr_no = 1; | |
2724 | hdr->ext.hdr_type = 1; | |
2725 | hdr->ext.hdr_version = 1; | |
2726 | hdr->ext.hdr_len = 28; | |
2727 | /*insert non-fix values */ | |
2728 | hdr->ext.mss = skb_shinfo(skb)->gso_size; | |
2729 | hdr->ext.dg_hdr_len = (__u16)(iph->ihl*4 + tcph->doff*4); | |
2730 | hdr->ext.payload_len = (__u16)(skb->len - hdr->ext.dg_hdr_len - | |
2731 | sizeof(struct qeth_hdr_tso)); | |
2732 | tcph->check = 0; | |
2733 | if (skb->protocol == ETH_P_IPV6) { | |
2734 | ip6h->payload_len = 0; | |
2735 | tcph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, | |
2736 | 0, IPPROTO_TCP, 0); | |
2737 | } else { | |
2738 | /*OSA want us to set these values ...*/ | |
2739 | tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, | |
2740 | 0, IPPROTO_TCP, 0); | |
2741 | iph->tot_len = 0; | |
2742 | iph->check = 0; | |
2743 | } | |
2744 | } | |
2745 | ||
2863c613 | 2746 | /** |
41aeed58 EC |
2747 | * qeth_l3_get_elements_no_tso() - find number of SBALEs for skb data for tso |
2748 | * @card: qeth card structure, to check max. elems. | |
2749 | * @skb: SKB address | |
2750 | * @extra_elems: extra elems needed, to check against max. | |
2863c613 EC |
2751 | * |
2752 | * Returns the number of pages, and thus QDIO buffer elements, needed to cover | |
2753 | * skb data, including linear part and fragments, but excluding TCP header. | |
2754 | * (Exclusion of TCP header distinguishes it from qeth_get_elements_no().) | |
2755 | * Checks if the result plus extra_elems fits under the limit for the card. | |
2756 | * Returns 0 if it does not. | |
2757 | * Note: extra_elems is not included in the returned result. | |
2758 | */ | |
41aeed58 | 2759 | static int qeth_l3_get_elements_no_tso(struct qeth_card *card, |
2863c613 | 2760 | struct sk_buff *skb, int extra_elems) |
c3b4a740 | 2761 | { |
2863c613 EC |
2762 | addr_t tcpdptr = (addr_t)tcp_hdr(skb) + tcp_hdrlen(skb); |
2763 | int elements = qeth_get_elements_for_range( | |
2764 | tcpdptr, | |
2765 | (addr_t)skb->data + skb_headlen(skb)) + | |
8f43fb00 | 2766 | qeth_get_elements_for_frags(skb); |
271648b4 | 2767 | |
2863c613 EC |
2768 | if ((elements + extra_elems) > QETH_MAX_BUFFER_ELEMENTS(card)) { |
2769 | QETH_DBF_MESSAGE(2, | |
2770 | "Invalid size of TSO IP packet (Number=%d / Length=%d). Discarded.\n", | |
2771 | elements + extra_elems, skb->len); | |
2772 | return 0; | |
2773 | } | |
c3b4a740 FB |
2774 | return elements; |
2775 | } | |
2776 | ||
4a71df50 FB |
2777 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
2778 | { | |
2779 | int rc; | |
2780 | u16 *tag; | |
2781 | struct qeth_hdr *hdr = NULL; | |
2863c613 EC |
2782 | int hdr_elements = 0; |
2783 | int elements; | |
509e2562 | 2784 | struct qeth_card *card = dev->ml_priv; |
4a71df50 FB |
2785 | struct sk_buff *new_skb = NULL; |
2786 | int ipv = qeth_get_ip_version(skb); | |
ce73e10e | 2787 | int cast_type = qeth_l3_get_cast_type(card, skb); |
290b8348 SR |
2788 | struct qeth_qdio_out_q *queue = |
2789 | card->qdio.out_qs[card->qdio.do_prio_queueing | |
2790 | || (cast_type && card->info.is_multicast_different) ? | |
2791 | qeth_get_priority_queue(card, skb, ipv, cast_type) : | |
2792 | card->qdio.default_out_queue]; | |
4a71df50 | 2793 | int tx_bytes = skb->len; |
41aeed58 | 2794 | bool use_tso; |
683d718a | 2795 | int data_offset = -1; |
64ef8957 | 2796 | int nr_frags; |
4a71df50 | 2797 | |
b3332930 FB |
2798 | if (((card->info.type == QETH_CARD_TYPE_IQD) && |
2799 | (((card->options.cq != QETH_CQ_ENABLED) && !ipv) || | |
2800 | ((card->options.cq == QETH_CQ_ENABLED) && | |
2801 | (skb->protocol != ETH_P_AF_IUCV)))) || | |
2802 | card->options.sniffer) | |
4a71df50 FB |
2803 | goto tx_drop; |
2804 | ||
2805 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { | |
2806 | card->stats.tx_carrier_errors++; | |
2807 | goto tx_drop; | |
2808 | } | |
2809 | ||
2810 | if ((cast_type == RTN_BROADCAST) && | |
2811 | (card->info.broadcast_capable == 0)) | |
2812 | goto tx_drop; | |
2813 | ||
2814 | if (card->options.performance_stats) { | |
2815 | card->perf_stats.outbound_cnt++; | |
2816 | card->perf_stats.outbound_start_time = qeth_get_micros(); | |
2817 | } | |
2818 | ||
41aeed58 EC |
2819 | /* Ignore segment size from skb_is_gso(), 1 page is always used. */ |
2820 | use_tso = skb_is_gso(skb) && | |
2821 | (qeth_get_ip_protocol(skb) == IPPROTO_TCP) && (ipv == 4); | |
683d718a | 2822 | |
41aeed58 EC |
2823 | if ((card->info.type == QETH_CARD_TYPE_IQD) && |
2824 | !skb_is_nonlinear(skb)) { | |
683d718a | 2825 | new_skb = skb; |
b3332930 FB |
2826 | if (new_skb->protocol == ETH_P_AF_IUCV) |
2827 | data_offset = 0; | |
2828 | else | |
2829 | data_offset = ETH_HLEN; | |
683d718a FB |
2830 | hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); |
2831 | if (!hdr) | |
2832 | goto tx_drop; | |
2863c613 | 2833 | hdr_elements++; |
683d718a FB |
2834 | } else { |
2835 | /* create a clone with writeable headroom */ | |
2836 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) | |
2837 | + VLAN_HLEN); | |
2838 | if (!new_skb) | |
2839 | goto tx_drop; | |
2840 | } | |
4a71df50 FB |
2841 | |
2842 | if (card->info.type == QETH_CARD_TYPE_IQD) { | |
683d718a FB |
2843 | if (data_offset < 0) |
2844 | skb_pull(new_skb, ETH_HLEN); | |
4a71df50 | 2845 | } else { |
21fde749 | 2846 | if (ipv == 4) { |
1abd2296 | 2847 | skb_pull(new_skb, ETH_HLEN); |
4a71df50 FB |
2848 | } |
2849 | ||
df8a39de | 2850 | if (ipv != 4 && skb_vlan_tag_present(new_skb)) { |
4a71df50 FB |
2851 | skb_push(new_skb, VLAN_HLEN); |
2852 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); | |
2853 | skb_copy_to_linear_data_offset(new_skb, 4, | |
2854 | new_skb->data + 8, 4); | |
2855 | skb_copy_to_linear_data_offset(new_skb, 8, | |
2856 | new_skb->data + 12, 4); | |
2857 | tag = (u16 *)(new_skb->data + 12); | |
2858 | *tag = __constant_htons(ETH_P_8021Q); | |
df8a39de | 2859 | *(tag + 1) = htons(skb_vlan_tag_get(new_skb)); |
4a71df50 FB |
2860 | } |
2861 | } | |
2862 | ||
2863 | netif_stop_queue(dev); | |
2864 | ||
4a71df50 | 2865 | /* fix hardware limitation: as long as we do not have sbal |
64ef8957 | 2866 | * chaining we can not send long frag lists |
4a71df50 | 2867 | */ |
41aeed58 EC |
2868 | if ((card->info.type != QETH_CARD_TYPE_IQD) && |
2869 | ((use_tso && !qeth_l3_get_elements_no_tso(card, new_skb, 1)) || | |
2870 | (!use_tso && !qeth_get_elements_no(card, new_skb, 0)))) { | |
6059c905 EC |
2871 | int lin_rc = skb_linearize(new_skb); |
2872 | ||
2873 | if (card->options.performance_stats) { | |
2874 | if (lin_rc) | |
2875 | card->perf_stats.tx_linfail++; | |
2876 | else | |
2877 | card->perf_stats.tx_lin++; | |
2878 | } | |
2879 | if (lin_rc) | |
41aeed58 | 2880 | goto tx_drop; |
64ef8957 | 2881 | } |
4a71df50 | 2882 | |
41aeed58 | 2883 | if (use_tso) { |
4a71df50 FB |
2884 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
2885 | sizeof(struct qeth_hdr_tso)); | |
2886 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); | |
2887 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); | |
2888 | qeth_tso_fill_header(card, hdr, new_skb); | |
2863c613 | 2889 | hdr_elements++; |
4a71df50 | 2890 | } else { |
683d718a FB |
2891 | if (data_offset < 0) { |
2892 | hdr = (struct qeth_hdr *)skb_push(new_skb, | |
4a71df50 | 2893 | sizeof(struct qeth_hdr)); |
683d718a FB |
2894 | qeth_l3_fill_header(card, hdr, new_skb, ipv, |
2895 | cast_type); | |
2896 | } else { | |
b3332930 FB |
2897 | if (new_skb->protocol == ETH_P_AF_IUCV) |
2898 | qeth_l3_fill_af_iucv_hdr(card, hdr, new_skb); | |
2899 | else { | |
2900 | qeth_l3_fill_header(card, hdr, new_skb, ipv, | |
2901 | cast_type); | |
2902 | hdr->hdr.l3.length = new_skb->len - data_offset; | |
2903 | } | |
683d718a | 2904 | } |
f6b85b6c FB |
2905 | |
2906 | if (skb->ip_summed == CHECKSUM_PARTIAL) | |
2907 | qeth_l3_hdr_csum(card, hdr, new_skb); | |
4a71df50 FB |
2908 | } |
2909 | ||
41aeed58 EC |
2910 | elements = use_tso ? |
2911 | qeth_l3_get_elements_no_tso(card, new_skb, hdr_elements) : | |
2912 | qeth_get_elements_no(card, new_skb, hdr_elements); | |
2863c613 | 2913 | if (!elements) { |
64ef8957 FB |
2914 | if (data_offset >= 0) |
2915 | kmem_cache_free(qeth_core_header_cache, hdr); | |
2916 | goto tx_drop; | |
f61a0d05 | 2917 | } |
2863c613 | 2918 | elements += hdr_elements; |
4a71df50 | 2919 | |
51aa165c FB |
2920 | if (card->info.type != QETH_CARD_TYPE_IQD) { |
2921 | int len; | |
41aeed58 | 2922 | if (use_tso) |
51aa165c | 2923 | len = ((unsigned long)tcp_hdr(new_skb) + |
2863c613 | 2924 | tcp_hdrlen(new_skb)) - |
51aa165c FB |
2925 | (unsigned long)new_skb->data; |
2926 | else | |
2927 | len = sizeof(struct qeth_hdr_layer3); | |
2928 | ||
d4ae1f5e | 2929 | if (qeth_hdr_chk_and_bounce(new_skb, &hdr, len)) |
51aa165c | 2930 | goto tx_drop; |
2863c613 | 2931 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, elements); |
51aa165c | 2932 | } else |
4a71df50 | 2933 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
2863c613 | 2934 | elements, data_offset, 0); |
4a71df50 FB |
2935 | |
2936 | if (!rc) { | |
2937 | card->stats.tx_packets++; | |
2938 | card->stats.tx_bytes += tx_bytes; | |
2939 | if (new_skb != skb) | |
2940 | dev_kfree_skb_any(skb); | |
2941 | if (card->options.performance_stats) { | |
2863c613 | 2942 | nr_frags = skb_shinfo(new_skb)->nr_frags; |
41aeed58 | 2943 | if (use_tso) { |
4a71df50 FB |
2944 | card->perf_stats.large_send_bytes += tx_bytes; |
2945 | card->perf_stats.large_send_cnt++; | |
2946 | } | |
64ef8957 | 2947 | if (nr_frags) { |
4a71df50 FB |
2948 | card->perf_stats.sg_skbs_sent++; |
2949 | /* nr_frags + skb->data */ | |
64ef8957 | 2950 | card->perf_stats.sg_frags_sent += nr_frags + 1; |
4a71df50 FB |
2951 | } |
2952 | } | |
ec634fe3 | 2953 | rc = NETDEV_TX_OK; |
4a71df50 | 2954 | } else { |
683d718a FB |
2955 | if (data_offset >= 0) |
2956 | kmem_cache_free(qeth_core_header_cache, hdr); | |
2957 | ||
4a71df50 FB |
2958 | if (rc == -EBUSY) { |
2959 | if (new_skb != skb) | |
2960 | dev_kfree_skb_any(new_skb); | |
2961 | return NETDEV_TX_BUSY; | |
2962 | } else | |
2963 | goto tx_drop; | |
2964 | } | |
2965 | ||
2966 | netif_wake_queue(dev); | |
2967 | if (card->options.performance_stats) | |
2968 | card->perf_stats.outbound_time += qeth_get_micros() - | |
2969 | card->perf_stats.outbound_start_time; | |
2970 | return rc; | |
2971 | ||
2972 | tx_drop: | |
2973 | card->stats.tx_dropped++; | |
2974 | card->stats.tx_errors++; | |
2975 | if ((new_skb != skb) && new_skb) | |
2976 | dev_kfree_skb_any(new_skb); | |
2977 | dev_kfree_skb_any(skb); | |
d0ec0f54 | 2978 | netif_wake_queue(dev); |
4a71df50 FB |
2979 | return NETDEV_TX_OK; |
2980 | } | |
2981 | ||
39423440 | 2982 | static int __qeth_l3_open(struct net_device *dev) |
4a71df50 | 2983 | { |
509e2562 | 2984 | struct qeth_card *card = dev->ml_priv; |
a1c3ed4c | 2985 | int rc = 0; |
4a71df50 | 2986 | |
847a50fd | 2987 | QETH_CARD_TEXT(card, 4, "qethopen"); |
39423440 UB |
2988 | if (card->state == CARD_STATE_UP) |
2989 | return rc; | |
4a71df50 FB |
2990 | if (card->state != CARD_STATE_SOFTSETUP) |
2991 | return -ENODEV; | |
2992 | card->data.state = CH_STATE_UP; | |
2993 | card->state = CARD_STATE_UP; | |
4a71df50 FB |
2994 | netif_start_queue(dev); |
2995 | ||
a1c3ed4c FB |
2996 | if (qdio_stop_irq(card->data.ccwdev, 0) >= 0) { |
2997 | napi_enable(&card->napi); | |
2998 | napi_schedule(&card->napi); | |
2999 | } else | |
3000 | rc = -EIO; | |
3001 | return rc; | |
4a71df50 FB |
3002 | } |
3003 | ||
39423440 UB |
3004 | static int qeth_l3_open(struct net_device *dev) |
3005 | { | |
3006 | struct qeth_card *card = dev->ml_priv; | |
3007 | ||
3008 | QETH_CARD_TEXT(card, 5, "qethope_"); | |
3009 | if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { | |
3010 | QETH_CARD_TEXT(card, 3, "openREC"); | |
3011 | return -ERESTARTSYS; | |
3012 | } | |
3013 | return __qeth_l3_open(dev); | |
3014 | } | |
3015 | ||
4a71df50 FB |
3016 | static int qeth_l3_stop(struct net_device *dev) |
3017 | { | |
509e2562 | 3018 | struct qeth_card *card = dev->ml_priv; |
4a71df50 | 3019 | |
847a50fd | 3020 | QETH_CARD_TEXT(card, 4, "qethstop"); |
4a71df50 | 3021 | netif_tx_disable(dev); |
a1c3ed4c | 3022 | if (card->state == CARD_STATE_UP) { |
4a71df50 | 3023 | card->state = CARD_STATE_SOFTSETUP; |
a1c3ed4c FB |
3024 | napi_disable(&card->napi); |
3025 | } | |
4a71df50 FB |
3026 | return 0; |
3027 | } | |
3028 | ||
0fc0b732 | 3029 | static const struct ethtool_ops qeth_l3_ethtool_ops = { |
4a71df50 | 3030 | .get_link = ethtool_op_get_link, |
4a71df50 FB |
3031 | .get_strings = qeth_core_get_strings, |
3032 | .get_ethtool_stats = qeth_core_get_ethtool_stats, | |
df8b4ec8 | 3033 | .get_sset_count = qeth_core_get_sset_count, |
4a71df50 | 3034 | .get_drvinfo = qeth_core_get_drvinfo, |
3f9975aa | 3035 | .get_settings = qeth_core_ethtool_get_settings, |
4a71df50 FB |
3036 | }; |
3037 | ||
3038 | /* | |
3039 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting | |
3040 | * NOARP on the netdevice is no option because it also turns off neighbor | |
3041 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want | |
3042 | * arp resolution but we want the hard header (packet socket will work | |
3043 | * e.g. tcpdump) | |
3044 | */ | |
3045 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) | |
3046 | { | |
3047 | n->nud_state = NUD_NOARP; | |
3048 | memcpy(n->ha, "FAKELL", 6); | |
3049 | n->output = n->ops->connected_output; | |
3050 | return 0; | |
3051 | } | |
3052 | ||
3053 | static int | |
3054 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) | |
3055 | { | |
3056 | if (np->tbl->family == AF_INET) | |
3057 | np->neigh_setup = qeth_l3_neigh_setup_noarp; | |
3058 | ||
3059 | return 0; | |
3060 | } | |
3061 | ||
3d58cefd | 3062 | static const struct net_device_ops qeth_l3_netdev_ops = { |
8403b13c FB |
3063 | .ndo_open = qeth_l3_open, |
3064 | .ndo_stop = qeth_l3_stop, | |
3065 | .ndo_get_stats = qeth_get_stats, | |
3066 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3067 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3068 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3069 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3070 | .ndo_change_mtu = qeth_change_mtu, | |
8f43fb00 TR |
3071 | .ndo_fix_features = qeth_fix_features, |
3072 | .ndo_set_features = qeth_set_features, | |
8403b13c FB |
3073 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3074 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3075 | .ndo_tx_timeout = qeth_tx_timeout, |
8403b13c FB |
3076 | }; |
3077 | ||
3d58cefd FB |
3078 | static const struct net_device_ops qeth_l3_osa_netdev_ops = { |
3079 | .ndo_open = qeth_l3_open, | |
3080 | .ndo_stop = qeth_l3_stop, | |
3081 | .ndo_get_stats = qeth_get_stats, | |
3082 | .ndo_start_xmit = qeth_l3_hard_start_xmit, | |
3083 | .ndo_validate_addr = eth_validate_addr, | |
afc4b13d | 3084 | .ndo_set_rx_mode = qeth_l3_set_multicast_list, |
7ff0bcf6 JP |
3085 | .ndo_do_ioctl = qeth_l3_do_ioctl, |
3086 | .ndo_change_mtu = qeth_change_mtu, | |
8f43fb00 TR |
3087 | .ndo_fix_features = qeth_fix_features, |
3088 | .ndo_set_features = qeth_set_features, | |
3d58cefd FB |
3089 | .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, |
3090 | .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, | |
7ff0bcf6 | 3091 | .ndo_tx_timeout = qeth_tx_timeout, |
3d58cefd FB |
3092 | .ndo_neigh_setup = qeth_l3_neigh_setup, |
3093 | }; | |
3094 | ||
4a71df50 FB |
3095 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
3096 | { | |
1aec42bc TR |
3097 | int rc; |
3098 | ||
5113fec0 UB |
3099 | if (card->info.type == QETH_CARD_TYPE_OSD || |
3100 | card->info.type == QETH_CARD_TYPE_OSX) { | |
4a71df50 FB |
3101 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
3102 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { | |
1abd2296 PG |
3103 | pr_info("qeth_l3: ignoring TR device\n"); |
3104 | return -ENODEV; | |
4a71df50 FB |
3105 | } else { |
3106 | card->dev = alloc_etherdev(0); | |
3107 | if (!card->dev) | |
3108 | return -ENODEV; | |
3d58cefd | 3109 | card->dev->netdev_ops = &qeth_l3_osa_netdev_ops; |
4a71df50 FB |
3110 | |
3111 | /*IPv6 address autoconfiguration stuff*/ | |
3112 | qeth_l3_get_unique_id(card); | |
3113 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) | |
3114 | card->dev->dev_id = card->info.unique_id & | |
3115 | 0xffff; | |
c5e631a8 FB |
3116 | if (!card->info.guestlan) { |
3117 | card->dev->hw_features = NETIF_F_SG | | |
3118 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | | |
3119 | NETIF_F_TSO; | |
9bdc4411 HW |
3120 | card->dev->vlan_features = NETIF_F_SG | |
3121 | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | | |
3122 | NETIF_F_TSO; | |
c5e631a8 | 3123 | } |
4a71df50 FB |
3124 | } |
3125 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { | |
c835a677 TG |
3126 | card->dev = alloc_netdev(0, "hsi%d", NET_NAME_UNKNOWN, |
3127 | ether_setup); | |
4a71df50 FB |
3128 | if (!card->dev) |
3129 | return -ENODEV; | |
3130 | card->dev->flags |= IFF_NOARP; | |
3d58cefd | 3131 | card->dev->netdev_ops = &qeth_l3_netdev_ops; |
1aec42bc TR |
3132 | rc = qeth_l3_iqd_read_initial_mac(card); |
3133 | if (rc) | |
3134 | return rc; | |
b3332930 FB |
3135 | if (card->options.hsuid[0]) |
3136 | memcpy(card->dev->perm_addr, card->options.hsuid, 9); | |
4a71df50 FB |
3137 | } else |
3138 | return -ENODEV; | |
3139 | ||
509e2562 | 3140 | card->dev->ml_priv = card; |
4a71df50 | 3141 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
4a71df50 | 3142 | card->dev->mtu = card->info.initial_mtu; |
46b3ef4c JW |
3143 | card->dev->min_mtu = 64; |
3144 | card->dev->max_mtu = ETH_MAX_MTU; | |
7ad24ea4 | 3145 | card->dev->ethtool_ops = &qeth_l3_ethtool_ops; |
f646968f PM |
3146 | card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | |
3147 | NETIF_F_HW_VLAN_CTAG_RX | | |
3148 | NETIF_F_HW_VLAN_CTAG_FILTER; | |
02875878 | 3149 | netif_keep_dst(card->dev); |
8bad55f8 EC |
3150 | card->dev->gso_max_size = (QETH_MAX_BUFFER_ELEMENTS(card) - 1) * |
3151 | PAGE_SIZE; | |
4a71df50 FB |
3152 | |
3153 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); | |
a1c3ed4c | 3154 | netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT); |
e5ebe632 | 3155 | netif_carrier_off(card->dev); |
4a71df50 FB |
3156 | return register_netdev(card->dev); |
3157 | } | |
3158 | ||
4a71df50 FB |
3159 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
3160 | { | |
3161 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3162 | ||
3163 | qeth_l3_create_device_attributes(&gdev->dev); | |
3164 | card->options.layer2 = 0; | |
1da74b1c | 3165 | card->info.hwtrap = 0; |
4a71df50 FB |
3166 | return 0; |
3167 | } | |
3168 | ||
3169 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) | |
3170 | { | |
3171 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3172 | ||
9dc48ccc UB |
3173 | qeth_l3_remove_device_attributes(&cgdev->dev); |
3174 | ||
f2148565 | 3175 | qeth_set_allowed_threads(card, 0, 1); |
4a71df50 FB |
3176 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
3177 | ||
70919e23 | 3178 | if (cgdev->state == CCWGROUP_ONLINE) |
4a71df50 | 3179 | qeth_l3_set_offline(cgdev); |
4a71df50 FB |
3180 | |
3181 | if (card->dev) { | |
7831b4ff | 3182 | netif_napi_del(&card->napi); |
4a71df50 FB |
3183 | unregister_netdev(card->dev); |
3184 | card->dev = NULL; | |
3185 | } | |
3186 | ||
5f78e29c | 3187 | qeth_l3_clear_ip_htable(card, 0); |
4a71df50 FB |
3188 | qeth_l3_clear_ipato_list(card); |
3189 | return; | |
3190 | } | |
3191 | ||
3192 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) | |
3193 | { | |
3194 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3195 | int rc = 0; | |
3196 | enum qeth_card_states recover_flag; | |
3197 | ||
9dc48ccc | 3198 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3199 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3200 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
3201 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); | |
4a71df50 | 3202 | |
4a71df50 | 3203 | recover_flag = card->state; |
4a71df50 FB |
3204 | rc = qeth_core_hardsetup_card(card); |
3205 | if (rc) { | |
1aec42bc | 3206 | QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); |
aa909224 | 3207 | rc = -ENODEV; |
4a71df50 FB |
3208 | goto out_remove; |
3209 | } | |
3210 | ||
aa909224 UB |
3211 | if (!card->dev && qeth_l3_setup_netdev(card)) { |
3212 | rc = -ENODEV; | |
4a71df50 | 3213 | goto out_remove; |
aa909224 | 3214 | } |
4a71df50 | 3215 | |
1da74b1c FB |
3216 | if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { |
3217 | if (card->info.hwtrap && | |
3218 | qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM)) | |
3219 | card->info.hwtrap = 0; | |
3220 | } else | |
3221 | card->info.hwtrap = 0; | |
3222 | ||
4a71df50 | 3223 | card->state = CARD_STATE_HARDSETUP; |
a1c3ed4c | 3224 | memset(&card->rx, 0, sizeof(struct qeth_rx)); |
4a71df50 FB |
3225 | qeth_print_status_message(card); |
3226 | ||
3227 | /* softsetup */ | |
d11ba0c4 | 3228 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
4a71df50 FB |
3229 | |
3230 | rc = qeth_send_startlan(card); | |
3231 | if (rc) { | |
d11ba0c4 | 3232 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
4a71df50 | 3233 | if (rc == 0xe080) { |
74eacdb9 FB |
3234 | dev_warn(&card->gdev->dev, |
3235 | "The LAN is offline\n"); | |
4a71df50 | 3236 | card->lan_online = 0; |
2b6203bb | 3237 | goto contin; |
4a71df50 | 3238 | } |
aa909224 | 3239 | rc = -ENODEV; |
f2148565 | 3240 | goto out_remove; |
4a71df50 FB |
3241 | } else |
3242 | card->lan_online = 1; | |
4a71df50 | 3243 | |
2b6203bb | 3244 | contin: |
4a71df50 FB |
3245 | rc = qeth_l3_setadapter_parms(card); |
3246 | if (rc) | |
1aec42bc | 3247 | QETH_DBF_TEXT_(SETUP, 2, "2err%04x", rc); |
76b11f8e UB |
3248 | if (!card->options.sniffer) { |
3249 | rc = qeth_l3_start_ipassists(card); | |
0f54761d | 3250 | if (rc) { |
76b11f8e | 3251 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
0f54761d SR |
3252 | goto out_remove; |
3253 | } | |
76b11f8e UB |
3254 | rc = qeth_l3_setrouting_v4(card); |
3255 | if (rc) | |
1aec42bc | 3256 | QETH_DBF_TEXT_(SETUP, 2, "4err%04x", rc); |
76b11f8e UB |
3257 | rc = qeth_l3_setrouting_v6(card); |
3258 | if (rc) | |
1aec42bc | 3259 | QETH_DBF_TEXT_(SETUP, 2, "5err%04x", rc); |
76b11f8e | 3260 | } |
4a71df50 FB |
3261 | netif_tx_disable(card->dev); |
3262 | ||
3263 | rc = qeth_init_qdio_queues(card); | |
3264 | if (rc) { | |
d11ba0c4 | 3265 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
aa909224 | 3266 | rc = -ENODEV; |
4a71df50 FB |
3267 | goto out_remove; |
3268 | } | |
3269 | card->state = CARD_STATE_SOFTSETUP; | |
4a71df50 FB |
3270 | |
3271 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
5f78e29c | 3272 | qeth_l3_recover_ip(card); |
2b6203bb UB |
3273 | if (card->lan_online) |
3274 | netif_carrier_on(card->dev); | |
3275 | else | |
3276 | netif_carrier_off(card->dev); | |
8af7c5ae | 3277 | if (recover_flag == CARD_STATE_RECOVER) { |
4763b0a0 | 3278 | rtnl_lock(); |
8af7c5ae | 3279 | if (recovery_mode) |
39423440 | 3280 | __qeth_l3_open(card->dev); |
4763b0a0 | 3281 | else |
8af7c5ae | 3282 | dev_open(card->dev); |
8af7c5ae | 3283 | qeth_l3_set_multicast_list(card->dev); |
e830baa9 | 3284 | qeth_recover_features(card->dev); |
4763b0a0 | 3285 | rtnl_unlock(); |
4a71df50 | 3286 | } |
82f77cf9 | 3287 | qeth_trace_features(card); |
4a71df50 FB |
3288 | /* let user_space know that device is online */ |
3289 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3290 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3291 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3292 | return 0; |
3293 | out_remove: | |
4a71df50 FB |
3294 | qeth_l3_stop_card(card, 0); |
3295 | ccw_device_set_offline(CARD_DDEV(card)); | |
3296 | ccw_device_set_offline(CARD_WDEV(card)); | |
3297 | ccw_device_set_offline(CARD_RDEV(card)); | |
22ae2790 | 3298 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3299 | if (recover_flag == CARD_STATE_RECOVER) |
3300 | card->state = CARD_STATE_RECOVER; | |
3301 | else | |
3302 | card->state = CARD_STATE_DOWN; | |
c4949f07 | 3303 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3304 | mutex_unlock(&card->discipline_mutex); |
aa909224 | 3305 | return rc; |
4a71df50 FB |
3306 | } |
3307 | ||
3308 | static int qeth_l3_set_online(struct ccwgroup_device *gdev) | |
3309 | { | |
3310 | return __qeth_l3_set_online(gdev, 0); | |
3311 | } | |
3312 | ||
3313 | static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, | |
3314 | int recovery_mode) | |
3315 | { | |
3316 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); | |
3317 | int rc = 0, rc2 = 0, rc3 = 0; | |
3318 | enum qeth_card_states recover_flag; | |
3319 | ||
9dc48ccc | 3320 | mutex_lock(&card->discipline_mutex); |
c4949f07 | 3321 | mutex_lock(&card->conf_mutex); |
d11ba0c4 PT |
3322 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
3323 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); | |
4a71df50 FB |
3324 | |
3325 | if (card->dev && netif_carrier_ok(card->dev)) | |
3326 | netif_carrier_off(card->dev); | |
3327 | recover_flag = card->state; | |
1da74b1c FB |
3328 | if ((!recovery_mode && card->info.hwtrap) || card->info.hwtrap == 2) { |
3329 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
3330 | card->info.hwtrap = 1; | |
3331 | } | |
0f5623c9 | 3332 | qeth_l3_stop_card(card, recovery_mode); |
72861ae7 EL |
3333 | if ((card->options.cq == QETH_CQ_ENABLED) && card->dev) { |
3334 | rtnl_lock(); | |
3335 | call_netdevice_notifiers(NETDEV_REBOOT, card->dev); | |
3336 | rtnl_unlock(); | |
3337 | } | |
4a71df50 FB |
3338 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
3339 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); | |
3340 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); | |
3341 | if (!rc) | |
3342 | rc = (rc2) ? rc2 : rc3; | |
3343 | if (rc) | |
d11ba0c4 | 3344 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
22ae2790 | 3345 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3346 | if (recover_flag == CARD_STATE_UP) |
3347 | card->state = CARD_STATE_RECOVER; | |
3348 | /* let user_space know that device is offline */ | |
3349 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); | |
c4949f07 | 3350 | mutex_unlock(&card->conf_mutex); |
9dc48ccc | 3351 | mutex_unlock(&card->discipline_mutex); |
4a71df50 FB |
3352 | return 0; |
3353 | } | |
3354 | ||
3355 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) | |
3356 | { | |
3357 | return __qeth_l3_set_offline(cgdev, 0); | |
3358 | } | |
3359 | ||
3360 | static int qeth_l3_recover(void *ptr) | |
3361 | { | |
3362 | struct qeth_card *card; | |
3363 | int rc = 0; | |
3364 | ||
3365 | card = (struct qeth_card *) ptr; | |
847a50fd CO |
3366 | QETH_CARD_TEXT(card, 2, "recover1"); |
3367 | QETH_CARD_HEX(card, 2, &card, sizeof(void *)); | |
4a71df50 FB |
3368 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
3369 | return 0; | |
847a50fd | 3370 | QETH_CARD_TEXT(card, 2, "recover2"); |
74eacdb9 FB |
3371 | dev_warn(&card->gdev->dev, |
3372 | "A recovery process has been started for the device\n"); | |
65d8013c | 3373 | qeth_set_recovery_task(card); |
4a71df50 FB |
3374 | __qeth_l3_set_offline(card->gdev, 1); |
3375 | rc = __qeth_l3_set_online(card->gdev, 1); | |
4a71df50 | 3376 | if (!rc) |
74eacdb9 FB |
3377 | dev_info(&card->gdev->dev, |
3378 | "Device successfully recovered!\n"); | |
28a7e4c9 | 3379 | else { |
0f54761d SR |
3380 | qeth_close_dev(card); |
3381 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
2efaf5ff | 3382 | "failed to recover an error on the device\n"); |
28a7e4c9 | 3383 | } |
65d8013c | 3384 | qeth_clear_recovery_task(card); |
a1c3ed4c FB |
3385 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
3386 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); | |
4a71df50 FB |
3387 | return 0; |
3388 | } | |
3389 | ||
3390 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) | |
3391 | { | |
3392 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
f78ac2bb | 3393 | qeth_set_allowed_threads(card, 0, 1); |
1da74b1c FB |
3394 | if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap) |
3395 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
4a71df50 FB |
3396 | qeth_qdio_clear_card(card, 0); |
3397 | qeth_clear_qdio_buffers(card); | |
22ae2790 | 3398 | qdio_free(CARD_DDEV(card)); |
4a71df50 FB |
3399 | } |
3400 | ||
bbcfcdc8 FB |
3401 | static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev) |
3402 | { | |
3403 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3404 | ||
3405 | if (card->dev) | |
3406 | netif_device_detach(card->dev); | |
3407 | qeth_set_allowed_threads(card, 0, 1); | |
3408 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); | |
3409 | if (gdev->state == CCWGROUP_OFFLINE) | |
3410 | return 0; | |
3411 | if (card->state == CARD_STATE_UP) { | |
1da74b1c FB |
3412 | if (card->info.hwtrap) |
3413 | qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM); | |
bbcfcdc8 FB |
3414 | __qeth_l3_set_offline(card->gdev, 1); |
3415 | } else | |
3416 | __qeth_l3_set_offline(card->gdev, 0); | |
3417 | return 0; | |
3418 | } | |
3419 | ||
3420 | static int qeth_l3_pm_resume(struct ccwgroup_device *gdev) | |
3421 | { | |
3422 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); | |
3423 | int rc = 0; | |
3424 | ||
3425 | if (gdev->state == CCWGROUP_OFFLINE) | |
3426 | goto out; | |
3427 | ||
3428 | if (card->state == CARD_STATE_RECOVER) { | |
3429 | rc = __qeth_l3_set_online(card->gdev, 1); | |
3430 | if (rc) { | |
869da90b UB |
3431 | rtnl_lock(); |
3432 | dev_close(card->dev); | |
3433 | rtnl_unlock(); | |
bbcfcdc8 FB |
3434 | } |
3435 | } else | |
3436 | rc = __qeth_l3_set_online(card->gdev, 0); | |
3437 | out: | |
3438 | qeth_set_allowed_threads(card, 0xffffffff, 0); | |
3439 | if (card->dev) | |
3440 | netif_device_attach(card->dev); | |
3441 | if (rc) | |
3442 | dev_warn(&card->gdev->dev, "The qeth device driver " | |
3443 | "failed to recover an error on the device\n"); | |
3444 | return rc; | |
3445 | } | |
3446 | ||
c044dc21 EC |
3447 | /* Returns zero if the command is successfully "consumed" */ |
3448 | static int qeth_l3_control_event(struct qeth_card *card, | |
3449 | struct qeth_ipa_cmd *cmd) | |
3450 | { | |
3451 | return 1; | |
3452 | } | |
3453 | ||
c041f2d4 SO |
3454 | struct qeth_discipline qeth_l3_discipline = { |
3455 | .start_poll = qeth_qdio_start_poll, | |
3456 | .input_handler = (qdio_handler_t *) qeth_qdio_input_handler, | |
3457 | .output_handler = (qdio_handler_t *) qeth_qdio_output_handler, | |
3458 | .recover = qeth_l3_recover, | |
3459 | .setup = qeth_l3_probe_device, | |
4a71df50 FB |
3460 | .remove = qeth_l3_remove_device, |
3461 | .set_online = qeth_l3_set_online, | |
3462 | .set_offline = qeth_l3_set_offline, | |
3463 | .shutdown = qeth_l3_shutdown, | |
bbcfcdc8 FB |
3464 | .freeze = qeth_l3_pm_suspend, |
3465 | .thaw = qeth_l3_pm_resume, | |
3466 | .restore = qeth_l3_pm_resume, | |
c044dc21 | 3467 | .control_event_handler = qeth_l3_control_event, |
4a71df50 | 3468 | }; |
c041f2d4 | 3469 | EXPORT_SYMBOL_GPL(qeth_l3_discipline); |
4a71df50 FB |
3470 | |
3471 | static int qeth_l3_ip_event(struct notifier_block *this, | |
76fef2b6 | 3472 | unsigned long event, void *ptr) |
4a71df50 | 3473 | { |
5f78e29c | 3474 | |
4a71df50 FB |
3475 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; |
3476 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; | |
3477 | struct qeth_ipaddr *addr; | |
3478 | struct qeth_card *card; | |
3479 | ||
c346dca1 | 3480 | if (dev_net(dev) != &init_net) |
76fef2b6 DM |
3481 | return NOTIFY_DONE; |
3482 | ||
4a71df50 FB |
3483 | card = qeth_l3_get_card_from_dev(dev); |
3484 | if (!card) | |
3485 | return NOTIFY_DONE; | |
6d8823db | 3486 | QETH_CARD_TEXT(card, 3, "ipevent"); |
4a71df50 FB |
3487 | |
3488 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); | |
5f78e29c | 3489 | if (addr) { |
4a71df50 FB |
3490 | addr->u.a4.addr = ifa->ifa_address; |
3491 | addr->u.a4.mask = ifa->ifa_mask; | |
3492 | addr->type = QETH_IP_TYPE_NORMAL; | |
3493 | } else | |
5f78e29c | 3494 | return NOTIFY_DONE; |
4a71df50 FB |
3495 | |
3496 | switch (event) { | |
3497 | case NETDEV_UP: | |
5f78e29c LD |
3498 | spin_lock_bh(&card->ip_lock); |
3499 | qeth_l3_add_ip(card, addr); | |
3500 | spin_unlock_bh(&card->ip_lock); | |
4a71df50 FB |
3501 | break; |
3502 | case NETDEV_DOWN: | |
5f78e29c LD |
3503 | spin_lock_bh(&card->ip_lock); |
3504 | qeth_l3_delete_ip(card, addr); | |
3505 | spin_unlock_bh(&card->ip_lock); | |
4a71df50 FB |
3506 | break; |
3507 | } | |
5f78e29c LD |
3508 | |
3509 | kfree(addr); | |
4a71df50 FB |
3510 | return NOTIFY_DONE; |
3511 | } | |
3512 | ||
3513 | static struct notifier_block qeth_l3_ip_notifier = { | |
3514 | qeth_l3_ip_event, | |
3515 | NULL, | |
3516 | }; | |
3517 | ||
3518 | #ifdef CONFIG_QETH_IPV6 | |
3519 | /** | |
3520 | * IPv6 event handler | |
3521 | */ | |
3522 | static int qeth_l3_ip6_event(struct notifier_block *this, | |
76fef2b6 | 3523 | unsigned long event, void *ptr) |
4a71df50 FB |
3524 | { |
3525 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; | |
3526 | struct net_device *dev = (struct net_device *)ifa->idev->dev; | |
3527 | struct qeth_ipaddr *addr; | |
3528 | struct qeth_card *card; | |
3529 | ||
4a71df50 FB |
3530 | card = qeth_l3_get_card_from_dev(dev); |
3531 | if (!card) | |
3532 | return NOTIFY_DONE; | |
847a50fd | 3533 | QETH_CARD_TEXT(card, 3, "ip6event"); |
4a71df50 FB |
3534 | if (!qeth_is_supported(card, IPA_IPV6)) |
3535 | return NOTIFY_DONE; | |
3536 | ||
3537 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); | |
5f78e29c | 3538 | if (addr) { |
4a71df50 FB |
3539 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); |
3540 | addr->u.a6.pfxlen = ifa->prefix_len; | |
3541 | addr->type = QETH_IP_TYPE_NORMAL; | |
3542 | } else | |
5f78e29c | 3543 | return NOTIFY_DONE; |
4a71df50 FB |
3544 | |
3545 | switch (event) { | |
3546 | case NETDEV_UP: | |
5f78e29c LD |
3547 | spin_lock_bh(&card->ip_lock); |
3548 | qeth_l3_add_ip(card, addr); | |
3549 | spin_unlock_bh(&card->ip_lock); | |
4a71df50 FB |
3550 | break; |
3551 | case NETDEV_DOWN: | |
5f78e29c LD |
3552 | spin_lock_bh(&card->ip_lock); |
3553 | qeth_l3_delete_ip(card, addr); | |
3554 | spin_unlock_bh(&card->ip_lock); | |
4a71df50 FB |
3555 | break; |
3556 | } | |
5f78e29c LD |
3557 | |
3558 | kfree(addr); | |
4a71df50 FB |
3559 | return NOTIFY_DONE; |
3560 | } | |
3561 | ||
3562 | static struct notifier_block qeth_l3_ip6_notifier = { | |
3563 | qeth_l3_ip6_event, | |
3564 | NULL, | |
3565 | }; | |
3566 | #endif | |
3567 | ||
3568 | static int qeth_l3_register_notifiers(void) | |
3569 | { | |
3570 | int rc; | |
3571 | ||
847a50fd | 3572 | QETH_DBF_TEXT(SETUP, 5, "regnotif"); |
4a71df50 FB |
3573 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
3574 | if (rc) | |
3575 | return rc; | |
3576 | #ifdef CONFIG_QETH_IPV6 | |
3577 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); | |
3578 | if (rc) { | |
3579 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); | |
3580 | return rc; | |
3581 | } | |
3582 | #else | |
baebc70a | 3583 | pr_warn("There is no IPv6 support for the layer 3 discipline\n"); |
4a71df50 FB |
3584 | #endif |
3585 | return 0; | |
3586 | } | |
3587 | ||
3588 | static void qeth_l3_unregister_notifiers(void) | |
3589 | { | |
3590 | ||
847a50fd | 3591 | QETH_DBF_TEXT(SETUP, 5, "unregnot"); |
18af5c17 | 3592 | WARN_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
4a71df50 | 3593 | #ifdef CONFIG_QETH_IPV6 |
18af5c17 | 3594 | WARN_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); |
4a71df50 FB |
3595 | #endif /* QETH_IPV6 */ |
3596 | } | |
3597 | ||
3598 | static int __init qeth_l3_init(void) | |
3599 | { | |
3600 | int rc = 0; | |
3601 | ||
74eacdb9 | 3602 | pr_info("register layer 3 discipline\n"); |
4a71df50 FB |
3603 | rc = qeth_l3_register_notifiers(); |
3604 | return rc; | |
3605 | } | |
3606 | ||
3607 | static void __exit qeth_l3_exit(void) | |
3608 | { | |
3609 | qeth_l3_unregister_notifiers(); | |
74eacdb9 | 3610 | pr_info("unregister layer 3 discipline\n"); |
4a71df50 FB |
3611 | } |
3612 | ||
3613 | module_init(qeth_l3_init); | |
3614 | module_exit(qeth_l3_exit); | |
3615 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); | |
3616 | MODULE_DESCRIPTION("qeth layer 3 discipline"); | |
3617 | MODULE_LICENSE("GPL"); |