Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1 | /* |
| 2 | * drivers/s390/net/qeth_l3_main.c |
| 3 | * |
| 4 | * Copyright IBM Corp. 2007 |
| 5 | * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, |
| 6 | * Frank Pavlic <fpavlic@de.ibm.com>, |
| 7 | * Thomas Spatzier <tspat@de.ibm.com>, |
| 8 | * Frank Blaschka <frank.blaschka@de.ibm.com> |
| 9 | */ |
| 10 | |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/moduleparam.h> |
| 13 | #include <linux/string.h> |
| 14 | #include <linux/errno.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/etherdevice.h> |
| 17 | #include <linux/mii.h> |
| 18 | #include <linux/ip.h> |
| 19 | #include <linux/reboot.h> |
| 20 | #include <linux/inetdevice.h> |
| 21 | #include <linux/igmp.h> |
| 22 | |
| 23 | #include <net/ip.h> |
| 24 | #include <net/arp.h> |
| 25 | |
| 26 | #include <asm/s390_rdev.h> |
| 27 | |
| 28 | #include "qeth_l3.h" |
| 29 | #include "qeth_core_offl.h" |
| 30 | |
| 31 | DEFINE_PER_CPU(char[256], qeth_l3_dbf_txt_buf); |
| 32 | |
| 33 | static int qeth_l3_set_offline(struct ccwgroup_device *); |
| 34 | static int qeth_l3_recover(void *); |
| 35 | static int qeth_l3_stop(struct net_device *); |
| 36 | static void qeth_l3_set_multicast_list(struct net_device *); |
| 37 | static int qeth_l3_neigh_setup(struct net_device *, struct neigh_parms *); |
| 38 | static int qeth_l3_register_addr_entry(struct qeth_card *, |
| 39 | struct qeth_ipaddr *); |
| 40 | static int qeth_l3_deregister_addr_entry(struct qeth_card *, |
| 41 | struct qeth_ipaddr *); |
| 42 | static int __qeth_l3_set_online(struct ccwgroup_device *, int); |
| 43 | static int __qeth_l3_set_offline(struct ccwgroup_device *, int); |
| 44 | |
| 45 | |
| 46 | static int qeth_l3_isxdigit(char *buf) |
| 47 | { |
| 48 | while (*buf) { |
| 49 | if (!isxdigit(*buf++)) |
| 50 | return 0; |
| 51 | } |
| 52 | return 1; |
| 53 | } |
| 54 | |
| 55 | void qeth_l3_ipaddr4_to_string(const __u8 *addr, char *buf) |
| 56 | { |
| 57 | sprintf(buf, "%i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]); |
| 58 | } |
| 59 | |
| 60 | int qeth_l3_string_to_ipaddr4(const char *buf, __u8 *addr) |
| 61 | { |
| 62 | int count = 0, rc = 0; |
| 63 | int in[4]; |
| 64 | char c; |
| 65 | |
| 66 | rc = sscanf(buf, "%u.%u.%u.%u%c", |
| 67 | &in[0], &in[1], &in[2], &in[3], &c); |
| 68 | if (rc != 4 && (rc != 5 || c != '\n')) |
| 69 | return -EINVAL; |
| 70 | for (count = 0; count < 4; count++) { |
| 71 | if (in[count] > 255) |
| 72 | return -EINVAL; |
| 73 | addr[count] = in[count]; |
| 74 | } |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | void qeth_l3_ipaddr6_to_string(const __u8 *addr, char *buf) |
| 79 | { |
| 80 | sprintf(buf, "%02x%02x:%02x%02x:%02x%02x:%02x%02x" |
| 81 | ":%02x%02x:%02x%02x:%02x%02x:%02x%02x", |
| 82 | addr[0], addr[1], addr[2], addr[3], |
| 83 | addr[4], addr[5], addr[6], addr[7], |
| 84 | addr[8], addr[9], addr[10], addr[11], |
| 85 | addr[12], addr[13], addr[14], addr[15]); |
| 86 | } |
| 87 | |
| 88 | int qeth_l3_string_to_ipaddr6(const char *buf, __u8 *addr) |
| 89 | { |
| 90 | const char *end, *end_tmp, *start; |
| 91 | __u16 *in; |
| 92 | char num[5]; |
| 93 | int num2, cnt, out, found, save_cnt; |
| 94 | unsigned short in_tmp[8] = {0, }; |
| 95 | |
| 96 | cnt = out = found = save_cnt = num2 = 0; |
| 97 | end = start = buf; |
| 98 | in = (__u16 *) addr; |
| 99 | memset(in, 0, 16); |
| 100 | while (*end) { |
| 101 | end = strchr(start, ':'); |
| 102 | if (end == NULL) { |
| 103 | end = buf + strlen(buf); |
| 104 | end_tmp = strchr(start, '\n'); |
| 105 | if (end_tmp != NULL) |
| 106 | end = end_tmp; |
| 107 | out = 1; |
| 108 | } |
| 109 | if ((end - start)) { |
| 110 | memset(num, 0, 5); |
| 111 | if ((end - start) > 4) |
| 112 | return -EINVAL; |
| 113 | memcpy(num, start, end - start); |
| 114 | if (!qeth_l3_isxdigit(num)) |
| 115 | return -EINVAL; |
| 116 | sscanf(start, "%x", &num2); |
| 117 | if (found) |
| 118 | in_tmp[save_cnt++] = num2; |
| 119 | else |
| 120 | in[cnt++] = num2; |
| 121 | if (out) |
| 122 | break; |
| 123 | } else { |
| 124 | if (found) |
| 125 | return -EINVAL; |
| 126 | found = 1; |
| 127 | } |
| 128 | start = ++end; |
| 129 | } |
| 130 | if (cnt + save_cnt > 8) |
| 131 | return -EINVAL; |
| 132 | cnt = 7; |
| 133 | while (save_cnt) |
| 134 | in[cnt--] = in_tmp[--save_cnt]; |
| 135 | return 0; |
| 136 | } |
| 137 | |
| 138 | void qeth_l3_ipaddr_to_string(enum qeth_prot_versions proto, const __u8 *addr, |
| 139 | char *buf) |
| 140 | { |
| 141 | if (proto == QETH_PROT_IPV4) |
| 142 | qeth_l3_ipaddr4_to_string(addr, buf); |
| 143 | else if (proto == QETH_PROT_IPV6) |
| 144 | qeth_l3_ipaddr6_to_string(addr, buf); |
| 145 | } |
| 146 | |
| 147 | int qeth_l3_string_to_ipaddr(const char *buf, enum qeth_prot_versions proto, |
| 148 | __u8 *addr) |
| 149 | { |
| 150 | if (proto == QETH_PROT_IPV4) |
| 151 | return qeth_l3_string_to_ipaddr4(buf, addr); |
| 152 | else if (proto == QETH_PROT_IPV6) |
| 153 | return qeth_l3_string_to_ipaddr6(buf, addr); |
| 154 | else |
| 155 | return -EINVAL; |
| 156 | } |
| 157 | |
| 158 | static void qeth_l3_convert_addr_to_bits(u8 *addr, u8 *bits, int len) |
| 159 | { |
| 160 | int i, j; |
| 161 | u8 octet; |
| 162 | |
| 163 | for (i = 0; i < len; ++i) { |
| 164 | octet = addr[i]; |
| 165 | for (j = 7; j >= 0; --j) { |
| 166 | bits[i*8 + j] = octet & 1; |
| 167 | octet >>= 1; |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | static int qeth_l3_is_addr_covered_by_ipato(struct qeth_card *card, |
| 173 | struct qeth_ipaddr *addr) |
| 174 | { |
| 175 | struct qeth_ipato_entry *ipatoe; |
| 176 | u8 addr_bits[128] = {0, }; |
| 177 | u8 ipatoe_bits[128] = {0, }; |
| 178 | int rc = 0; |
| 179 | |
| 180 | if (!card->ipato.enabled) |
| 181 | return 0; |
| 182 | |
| 183 | qeth_l3_convert_addr_to_bits((u8 *) &addr->u, addr_bits, |
| 184 | (addr->proto == QETH_PROT_IPV4)? 4:16); |
| 185 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { |
| 186 | if (addr->proto != ipatoe->proto) |
| 187 | continue; |
| 188 | qeth_l3_convert_addr_to_bits(ipatoe->addr, ipatoe_bits, |
| 189 | (ipatoe->proto == QETH_PROT_IPV4) ? |
| 190 | 4 : 16); |
| 191 | if (addr->proto == QETH_PROT_IPV4) |
| 192 | rc = !memcmp(addr_bits, ipatoe_bits, |
| 193 | min(32, ipatoe->mask_bits)); |
| 194 | else |
| 195 | rc = !memcmp(addr_bits, ipatoe_bits, |
| 196 | min(128, ipatoe->mask_bits)); |
| 197 | if (rc) |
| 198 | break; |
| 199 | } |
| 200 | /* invert? */ |
| 201 | if ((addr->proto == QETH_PROT_IPV4) && card->ipato.invert4) |
| 202 | rc = !rc; |
| 203 | else if ((addr->proto == QETH_PROT_IPV6) && card->ipato.invert6) |
| 204 | rc = !rc; |
| 205 | |
| 206 | return rc; |
| 207 | } |
| 208 | |
| 209 | /* |
| 210 | * Add IP to be added to todo list. If there is already an "add todo" |
| 211 | * in this list we just incremenent the reference count. |
| 212 | * Returns 0 if we just incremented reference count. |
| 213 | */ |
| 214 | static int __qeth_l3_insert_ip_todo(struct qeth_card *card, |
| 215 | struct qeth_ipaddr *addr, int add) |
| 216 | { |
| 217 | struct qeth_ipaddr *tmp, *t; |
| 218 | int found = 0; |
| 219 | |
| 220 | list_for_each_entry_safe(tmp, t, card->ip_tbd_list, entry) { |
| 221 | if ((addr->type == QETH_IP_TYPE_DEL_ALL_MC) && |
| 222 | (tmp->type == QETH_IP_TYPE_DEL_ALL_MC)) |
| 223 | return 0; |
| 224 | if ((tmp->proto == QETH_PROT_IPV4) && |
| 225 | (addr->proto == QETH_PROT_IPV4) && |
| 226 | (tmp->type == addr->type) && |
| 227 | (tmp->is_multicast == addr->is_multicast) && |
| 228 | (tmp->u.a4.addr == addr->u.a4.addr) && |
| 229 | (tmp->u.a4.mask == addr->u.a4.mask)) { |
| 230 | found = 1; |
| 231 | break; |
| 232 | } |
| 233 | if ((tmp->proto == QETH_PROT_IPV6) && |
| 234 | (addr->proto == QETH_PROT_IPV6) && |
| 235 | (tmp->type == addr->type) && |
| 236 | (tmp->is_multicast == addr->is_multicast) && |
| 237 | (tmp->u.a6.pfxlen == addr->u.a6.pfxlen) && |
| 238 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, |
| 239 | sizeof(struct in6_addr)) == 0)) { |
| 240 | found = 1; |
| 241 | break; |
| 242 | } |
| 243 | } |
| 244 | if (found) { |
| 245 | if (addr->users != 0) |
| 246 | tmp->users += addr->users; |
| 247 | else |
| 248 | tmp->users += add ? 1 : -1; |
| 249 | if (tmp->users == 0) { |
| 250 | list_del(&tmp->entry); |
| 251 | kfree(tmp); |
| 252 | } |
| 253 | return 0; |
| 254 | } else { |
| 255 | if (addr->type == QETH_IP_TYPE_DEL_ALL_MC) |
| 256 | list_add(&addr->entry, card->ip_tbd_list); |
| 257 | else { |
| 258 | if (addr->users == 0) |
| 259 | addr->users += add ? 1 : -1; |
| 260 | if (add && (addr->type == QETH_IP_TYPE_NORMAL) && |
| 261 | qeth_l3_is_addr_covered_by_ipato(card, addr)) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 262 | QETH_DBF_TEXT(TRACE, 2, "tkovaddr"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 263 | addr->set_flags |= QETH_IPA_SETIP_TAKEOVER_FLAG; |
| 264 | } |
| 265 | list_add_tail(&addr->entry, card->ip_tbd_list); |
| 266 | } |
| 267 | return 1; |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | static int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *addr) |
| 272 | { |
| 273 | unsigned long flags; |
| 274 | int rc = 0; |
| 275 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 276 | QETH_DBF_TEXT(TRACE, 4, "delip"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 277 | |
| 278 | if (addr->proto == QETH_PROT_IPV4) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 279 | QETH_DBF_HEX(TRACE, 4, &addr->u.a4.addr, 4); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 280 | else { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 281 | QETH_DBF_HEX(TRACE, 4, &addr->u.a6.addr, 8); |
| 282 | QETH_DBF_HEX(TRACE, 4, ((char *)&addr->u.a6.addr) + 8, 8); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 283 | } |
| 284 | spin_lock_irqsave(&card->ip_lock, flags); |
| 285 | rc = __qeth_l3_insert_ip_todo(card, addr, 0); |
| 286 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 287 | return rc; |
| 288 | } |
| 289 | |
| 290 | static int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *addr) |
| 291 | { |
| 292 | unsigned long flags; |
| 293 | int rc = 0; |
| 294 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 295 | QETH_DBF_TEXT(TRACE, 4, "addip"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 296 | if (addr->proto == QETH_PROT_IPV4) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 297 | QETH_DBF_HEX(TRACE, 4, &addr->u.a4.addr, 4); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 298 | else { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 299 | QETH_DBF_HEX(TRACE, 4, &addr->u.a6.addr, 8); |
| 300 | QETH_DBF_HEX(TRACE, 4, ((char *)&addr->u.a6.addr) + 8, 8); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 301 | } |
| 302 | spin_lock_irqsave(&card->ip_lock, flags); |
| 303 | rc = __qeth_l3_insert_ip_todo(card, addr, 1); |
| 304 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 305 | return rc; |
| 306 | } |
| 307 | |
| 308 | |
| 309 | static struct qeth_ipaddr *qeth_l3_get_addr_buffer( |
| 310 | enum qeth_prot_versions prot) |
| 311 | { |
| 312 | struct qeth_ipaddr *addr; |
| 313 | |
| 314 | addr = kzalloc(sizeof(struct qeth_ipaddr), GFP_ATOMIC); |
| 315 | if (addr == NULL) { |
| 316 | PRINT_WARN("Not enough memory to add address\n"); |
| 317 | return NULL; |
| 318 | } |
| 319 | addr->type = QETH_IP_TYPE_NORMAL; |
| 320 | addr->proto = prot; |
| 321 | return addr; |
| 322 | } |
| 323 | |
| 324 | static void qeth_l3_delete_mc_addresses(struct qeth_card *card) |
| 325 | { |
| 326 | struct qeth_ipaddr *iptodo; |
| 327 | unsigned long flags; |
| 328 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 329 | QETH_DBF_TEXT(TRACE, 4, "delmc"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 330 | iptodo = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
| 331 | if (!iptodo) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 332 | QETH_DBF_TEXT(TRACE, 2, "dmcnomem"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 333 | return; |
| 334 | } |
| 335 | iptodo->type = QETH_IP_TYPE_DEL_ALL_MC; |
| 336 | spin_lock_irqsave(&card->ip_lock, flags); |
| 337 | if (!__qeth_l3_insert_ip_todo(card, iptodo, 0)) |
| 338 | kfree(iptodo); |
| 339 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 340 | } |
| 341 | |
| 342 | /* |
| 343 | * Add/remove address to/from card's ip list, i.e. try to add or remove |
| 344 | * reference to/from an IP address that is already registered on the card. |
| 345 | * Returns: |
| 346 | * 0 address was on card and its reference count has been adjusted, |
| 347 | * but is still > 0, so nothing has to be done |
| 348 | * also returns 0 if card was not on card and the todo was to delete |
| 349 | * the address -> there is also nothing to be done |
| 350 | * 1 address was not on card and the todo is to add it to the card's ip |
| 351 | * list |
| 352 | * -1 address was on card and its reference count has been decremented |
| 353 | * to <= 0 by the todo -> address must be removed from card |
| 354 | */ |
| 355 | static int __qeth_l3_ref_ip_on_card(struct qeth_card *card, |
| 356 | struct qeth_ipaddr *todo, struct qeth_ipaddr **__addr) |
| 357 | { |
| 358 | struct qeth_ipaddr *addr; |
| 359 | int found = 0; |
| 360 | |
| 361 | list_for_each_entry(addr, &card->ip_list, entry) { |
| 362 | if ((addr->proto == QETH_PROT_IPV4) && |
| 363 | (todo->proto == QETH_PROT_IPV4) && |
| 364 | (addr->type == todo->type) && |
| 365 | (addr->u.a4.addr == todo->u.a4.addr) && |
| 366 | (addr->u.a4.mask == todo->u.a4.mask)) { |
| 367 | found = 1; |
| 368 | break; |
| 369 | } |
| 370 | if ((addr->proto == QETH_PROT_IPV6) && |
| 371 | (todo->proto == QETH_PROT_IPV6) && |
| 372 | (addr->type == todo->type) && |
| 373 | (addr->u.a6.pfxlen == todo->u.a6.pfxlen) && |
| 374 | (memcmp(&addr->u.a6.addr, &todo->u.a6.addr, |
| 375 | sizeof(struct in6_addr)) == 0)) { |
| 376 | found = 1; |
| 377 | break; |
| 378 | } |
| 379 | } |
| 380 | if (found) { |
| 381 | addr->users += todo->users; |
| 382 | if (addr->users <= 0) { |
| 383 | *__addr = addr; |
| 384 | return -1; |
| 385 | } else { |
| 386 | /* for VIPA and RXIP limit refcount to 1 */ |
| 387 | if (addr->type != QETH_IP_TYPE_NORMAL) |
| 388 | addr->users = 1; |
| 389 | return 0; |
| 390 | } |
| 391 | } |
| 392 | if (todo->users > 0) { |
| 393 | /* for VIPA and RXIP limit refcount to 1 */ |
| 394 | if (todo->type != QETH_IP_TYPE_NORMAL) |
| 395 | todo->users = 1; |
| 396 | return 1; |
| 397 | } else |
| 398 | return 0; |
| 399 | } |
| 400 | |
| 401 | static void __qeth_l3_delete_all_mc(struct qeth_card *card, |
| 402 | unsigned long *flags) |
| 403 | { |
Ursula Braun | 2d921c3 | 2008-04-01 10:26:53 +0200 | [diff] [blame] | 404 | struct list_head fail_list; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 405 | struct qeth_ipaddr *addr, *tmp; |
| 406 | int rc; |
Ursula Braun | 2d921c3 | 2008-04-01 10:26:53 +0200 | [diff] [blame] | 407 | |
| 408 | INIT_LIST_HEAD(&fail_list); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 409 | again: |
| 410 | list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) { |
| 411 | if (addr->is_multicast) { |
| 412 | list_del(&addr->entry); |
| 413 | spin_unlock_irqrestore(&card->ip_lock, *flags); |
| 414 | rc = qeth_l3_deregister_addr_entry(card, addr); |
| 415 | spin_lock_irqsave(&card->ip_lock, *flags); |
Ursula Braun | 2d921c3 | 2008-04-01 10:26:53 +0200 | [diff] [blame] | 416 | if (!rc || (rc == IPA_RC_MC_ADDR_NOT_FOUND)) |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 417 | kfree(addr); |
Ursula Braun | 2d921c3 | 2008-04-01 10:26:53 +0200 | [diff] [blame] | 418 | else |
| 419 | list_add_tail(&addr->entry, &fail_list); |
| 420 | goto again; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 421 | } |
| 422 | } |
Ursula Braun | 2d921c3 | 2008-04-01 10:26:53 +0200 | [diff] [blame] | 423 | list_splice(&fail_list, &card->ip_list); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | static void qeth_l3_set_ip_addr_list(struct qeth_card *card) |
| 427 | { |
| 428 | struct list_head *tbd_list; |
| 429 | struct qeth_ipaddr *todo, *addr; |
| 430 | unsigned long flags; |
| 431 | int rc; |
| 432 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 433 | QETH_DBF_TEXT(TRACE, 2, "sdiplist"); |
| 434 | QETH_DBF_HEX(TRACE, 2, &card, sizeof(void *)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 435 | |
| 436 | spin_lock_irqsave(&card->ip_lock, flags); |
| 437 | tbd_list = card->ip_tbd_list; |
| 438 | card->ip_tbd_list = kmalloc(sizeof(struct list_head), GFP_ATOMIC); |
| 439 | if (!card->ip_tbd_list) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 440 | QETH_DBF_TEXT(TRACE, 0, "silnomem"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 441 | card->ip_tbd_list = tbd_list; |
| 442 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 443 | return; |
| 444 | } else |
| 445 | INIT_LIST_HEAD(card->ip_tbd_list); |
| 446 | |
| 447 | while (!list_empty(tbd_list)) { |
| 448 | todo = list_entry(tbd_list->next, struct qeth_ipaddr, entry); |
| 449 | list_del(&todo->entry); |
| 450 | if (todo->type == QETH_IP_TYPE_DEL_ALL_MC) { |
| 451 | __qeth_l3_delete_all_mc(card, &flags); |
| 452 | kfree(todo); |
| 453 | continue; |
| 454 | } |
| 455 | rc = __qeth_l3_ref_ip_on_card(card, todo, &addr); |
| 456 | if (rc == 0) { |
| 457 | /* nothing to be done; only adjusted refcount */ |
| 458 | kfree(todo); |
| 459 | } else if (rc == 1) { |
| 460 | /* new entry to be added to on-card list */ |
| 461 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 462 | rc = qeth_l3_register_addr_entry(card, todo); |
| 463 | spin_lock_irqsave(&card->ip_lock, flags); |
| 464 | if (!rc) |
| 465 | list_add_tail(&todo->entry, &card->ip_list); |
| 466 | else |
| 467 | kfree(todo); |
| 468 | } else if (rc == -1) { |
| 469 | /* on-card entry to be removed */ |
| 470 | list_del_init(&addr->entry); |
| 471 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 472 | rc = qeth_l3_deregister_addr_entry(card, addr); |
| 473 | spin_lock_irqsave(&card->ip_lock, flags); |
Ursula Braun | 2d921c3 | 2008-04-01 10:26:53 +0200 | [diff] [blame] | 474 | if (!rc || (rc == IPA_RC_PRIMARY_ALREADY_DEFINED)) |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 475 | kfree(addr); |
| 476 | else |
| 477 | list_add_tail(&addr->entry, &card->ip_list); |
| 478 | kfree(todo); |
| 479 | } |
| 480 | } |
| 481 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 482 | kfree(tbd_list); |
| 483 | } |
| 484 | |
| 485 | static void qeth_l3_clear_ip_list(struct qeth_card *card, int clean, |
| 486 | int recover) |
| 487 | { |
| 488 | struct qeth_ipaddr *addr, *tmp; |
| 489 | unsigned long flags; |
| 490 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 491 | QETH_DBF_TEXT(TRACE, 4, "clearip"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 492 | spin_lock_irqsave(&card->ip_lock, flags); |
| 493 | /* clear todo list */ |
| 494 | list_for_each_entry_safe(addr, tmp, card->ip_tbd_list, entry) { |
| 495 | list_del(&addr->entry); |
| 496 | kfree(addr); |
| 497 | } |
| 498 | |
| 499 | while (!list_empty(&card->ip_list)) { |
| 500 | addr = list_entry(card->ip_list.next, |
| 501 | struct qeth_ipaddr, entry); |
| 502 | list_del_init(&addr->entry); |
| 503 | if (clean) { |
| 504 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 505 | qeth_l3_deregister_addr_entry(card, addr); |
| 506 | spin_lock_irqsave(&card->ip_lock, flags); |
| 507 | } |
| 508 | if (!recover || addr->is_multicast) { |
| 509 | kfree(addr); |
| 510 | continue; |
| 511 | } |
| 512 | list_add_tail(&addr->entry, card->ip_tbd_list); |
| 513 | } |
| 514 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 515 | } |
| 516 | |
| 517 | static int qeth_l3_address_exists_in_list(struct list_head *list, |
| 518 | struct qeth_ipaddr *addr, int same_type) |
| 519 | { |
| 520 | struct qeth_ipaddr *tmp; |
| 521 | |
| 522 | list_for_each_entry(tmp, list, entry) { |
| 523 | if ((tmp->proto == QETH_PROT_IPV4) && |
| 524 | (addr->proto == QETH_PROT_IPV4) && |
| 525 | ((same_type && (tmp->type == addr->type)) || |
| 526 | (!same_type && (tmp->type != addr->type))) && |
| 527 | (tmp->u.a4.addr == addr->u.a4.addr)) |
| 528 | return 1; |
| 529 | |
| 530 | if ((tmp->proto == QETH_PROT_IPV6) && |
| 531 | (addr->proto == QETH_PROT_IPV6) && |
| 532 | ((same_type && (tmp->type == addr->type)) || |
| 533 | (!same_type && (tmp->type != addr->type))) && |
| 534 | (memcmp(&tmp->u.a6.addr, &addr->u.a6.addr, |
| 535 | sizeof(struct in6_addr)) == 0)) |
| 536 | return 1; |
| 537 | |
| 538 | } |
| 539 | return 0; |
| 540 | } |
| 541 | |
| 542 | static int qeth_l3_send_setdelmc(struct qeth_card *card, |
| 543 | struct qeth_ipaddr *addr, int ipacmd) |
| 544 | { |
| 545 | int rc; |
| 546 | struct qeth_cmd_buffer *iob; |
| 547 | struct qeth_ipa_cmd *cmd; |
| 548 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 549 | QETH_DBF_TEXT(TRACE, 4, "setdelmc"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 550 | |
| 551 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); |
| 552 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 553 | memcpy(&cmd->data.setdelipm.mac, addr->mac, OSA_ADDR_LEN); |
| 554 | if (addr->proto == QETH_PROT_IPV6) |
| 555 | memcpy(cmd->data.setdelipm.ip6, &addr->u.a6.addr, |
| 556 | sizeof(struct in6_addr)); |
| 557 | else |
| 558 | memcpy(&cmd->data.setdelipm.ip4, &addr->u.a4.addr, 4); |
| 559 | |
| 560 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); |
| 561 | |
| 562 | return rc; |
| 563 | } |
| 564 | |
| 565 | static void qeth_l3_fill_netmask(u8 *netmask, unsigned int len) |
| 566 | { |
| 567 | int i, j; |
| 568 | for (i = 0; i < 16; i++) { |
| 569 | j = (len) - (i * 8); |
| 570 | if (j >= 8) |
| 571 | netmask[i] = 0xff; |
| 572 | else if (j > 0) |
| 573 | netmask[i] = (u8)(0xFF00 >> j); |
| 574 | else |
| 575 | netmask[i] = 0; |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | static int qeth_l3_send_setdelip(struct qeth_card *card, |
| 580 | struct qeth_ipaddr *addr, int ipacmd, unsigned int flags) |
| 581 | { |
| 582 | int rc; |
| 583 | struct qeth_cmd_buffer *iob; |
| 584 | struct qeth_ipa_cmd *cmd; |
| 585 | __u8 netmask[16]; |
| 586 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 587 | QETH_DBF_TEXT(TRACE, 4, "setdelip"); |
| 588 | QETH_DBF_TEXT_(TRACE, 4, "flags%02X", flags); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 589 | |
| 590 | iob = qeth_get_ipacmd_buffer(card, ipacmd, addr->proto); |
| 591 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 592 | if (addr->proto == QETH_PROT_IPV6) { |
| 593 | memcpy(cmd->data.setdelip6.ip_addr, &addr->u.a6.addr, |
| 594 | sizeof(struct in6_addr)); |
| 595 | qeth_l3_fill_netmask(netmask, addr->u.a6.pfxlen); |
| 596 | memcpy(cmd->data.setdelip6.mask, netmask, |
| 597 | sizeof(struct in6_addr)); |
| 598 | cmd->data.setdelip6.flags = flags; |
| 599 | } else { |
| 600 | memcpy(cmd->data.setdelip4.ip_addr, &addr->u.a4.addr, 4); |
| 601 | memcpy(cmd->data.setdelip4.mask, &addr->u.a4.mask, 4); |
| 602 | cmd->data.setdelip4.flags = flags; |
| 603 | } |
| 604 | |
| 605 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); |
| 606 | |
| 607 | return rc; |
| 608 | } |
| 609 | |
| 610 | static int qeth_l3_send_setrouting(struct qeth_card *card, |
| 611 | enum qeth_routing_types type, enum qeth_prot_versions prot) |
| 612 | { |
| 613 | int rc; |
| 614 | struct qeth_ipa_cmd *cmd; |
| 615 | struct qeth_cmd_buffer *iob; |
| 616 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 617 | QETH_DBF_TEXT(TRACE, 4, "setroutg"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 618 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETRTG, prot); |
| 619 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 620 | cmd->data.setrtg.type = (type); |
| 621 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); |
| 622 | |
| 623 | return rc; |
| 624 | } |
| 625 | |
| 626 | static void qeth_l3_correct_routing_type(struct qeth_card *card, |
| 627 | enum qeth_routing_types *type, enum qeth_prot_versions prot) |
| 628 | { |
| 629 | if (card->info.type == QETH_CARD_TYPE_IQD) { |
| 630 | switch (*type) { |
| 631 | case NO_ROUTER: |
| 632 | case PRIMARY_CONNECTOR: |
| 633 | case SECONDARY_CONNECTOR: |
| 634 | case MULTICAST_ROUTER: |
| 635 | return; |
| 636 | default: |
| 637 | goto out_inval; |
| 638 | } |
| 639 | } else { |
| 640 | switch (*type) { |
| 641 | case NO_ROUTER: |
| 642 | case PRIMARY_ROUTER: |
| 643 | case SECONDARY_ROUTER: |
| 644 | return; |
| 645 | case MULTICAST_ROUTER: |
| 646 | if (qeth_is_ipafunc_supported(card, prot, |
| 647 | IPA_OSA_MC_ROUTER)) |
| 648 | return; |
| 649 | default: |
| 650 | goto out_inval; |
| 651 | } |
| 652 | } |
| 653 | out_inval: |
| 654 | PRINT_WARN("Routing type '%s' not supported for interface %s.\n" |
| 655 | "Router status set to 'no router'.\n", |
| 656 | ((*type == PRIMARY_ROUTER)? "primary router" : |
| 657 | (*type == SECONDARY_ROUTER)? "secondary router" : |
| 658 | (*type == PRIMARY_CONNECTOR)? "primary connector" : |
| 659 | (*type == SECONDARY_CONNECTOR)? "secondary connector" : |
| 660 | (*type == MULTICAST_ROUTER)? "multicast router" : |
| 661 | "unknown"), |
| 662 | card->dev->name); |
| 663 | *type = NO_ROUTER; |
| 664 | } |
| 665 | |
| 666 | int qeth_l3_setrouting_v4(struct qeth_card *card) |
| 667 | { |
| 668 | int rc; |
| 669 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 670 | QETH_DBF_TEXT(TRACE, 3, "setrtg4"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 671 | |
| 672 | qeth_l3_correct_routing_type(card, &card->options.route4.type, |
| 673 | QETH_PROT_IPV4); |
| 674 | |
| 675 | rc = qeth_l3_send_setrouting(card, card->options.route4.type, |
| 676 | QETH_PROT_IPV4); |
| 677 | if (rc) { |
| 678 | card->options.route4.type = NO_ROUTER; |
| 679 | PRINT_WARN("Error (0x%04x) while setting routing type on %s. " |
| 680 | "Type set to 'no router'.\n", |
| 681 | rc, QETH_CARD_IFNAME(card)); |
| 682 | } |
| 683 | return rc; |
| 684 | } |
| 685 | |
| 686 | int qeth_l3_setrouting_v6(struct qeth_card *card) |
| 687 | { |
| 688 | int rc = 0; |
| 689 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 690 | QETH_DBF_TEXT(TRACE, 3, "setrtg6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 691 | #ifdef CONFIG_QETH_IPV6 |
| 692 | |
| 693 | if (!qeth_is_supported(card, IPA_IPV6)) |
| 694 | return 0; |
| 695 | qeth_l3_correct_routing_type(card, &card->options.route6.type, |
| 696 | QETH_PROT_IPV6); |
| 697 | |
| 698 | rc = qeth_l3_send_setrouting(card, card->options.route6.type, |
| 699 | QETH_PROT_IPV6); |
| 700 | if (rc) { |
| 701 | card->options.route6.type = NO_ROUTER; |
| 702 | PRINT_WARN("Error (0x%04x) while setting routing type on %s. " |
| 703 | "Type set to 'no router'.\n", |
| 704 | rc, QETH_CARD_IFNAME(card)); |
| 705 | } |
| 706 | #endif |
| 707 | return rc; |
| 708 | } |
| 709 | |
| 710 | /* |
| 711 | * IP address takeover related functions |
| 712 | */ |
| 713 | static void qeth_l3_clear_ipato_list(struct qeth_card *card) |
| 714 | { |
| 715 | |
| 716 | struct qeth_ipato_entry *ipatoe, *tmp; |
| 717 | unsigned long flags; |
| 718 | |
| 719 | spin_lock_irqsave(&card->ip_lock, flags); |
| 720 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { |
| 721 | list_del(&ipatoe->entry); |
| 722 | kfree(ipatoe); |
| 723 | } |
| 724 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 725 | } |
| 726 | |
| 727 | int qeth_l3_add_ipato_entry(struct qeth_card *card, |
| 728 | struct qeth_ipato_entry *new) |
| 729 | { |
| 730 | struct qeth_ipato_entry *ipatoe; |
| 731 | unsigned long flags; |
| 732 | int rc = 0; |
| 733 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 734 | QETH_DBF_TEXT(TRACE, 2, "addipato"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 735 | spin_lock_irqsave(&card->ip_lock, flags); |
| 736 | list_for_each_entry(ipatoe, &card->ipato.entries, entry) { |
| 737 | if (ipatoe->proto != new->proto) |
| 738 | continue; |
| 739 | if (!memcmp(ipatoe->addr, new->addr, |
| 740 | (ipatoe->proto == QETH_PROT_IPV4)? 4:16) && |
| 741 | (ipatoe->mask_bits == new->mask_bits)) { |
| 742 | PRINT_WARN("ipato entry already exists!\n"); |
| 743 | rc = -EEXIST; |
| 744 | break; |
| 745 | } |
| 746 | } |
| 747 | if (!rc) |
| 748 | list_add_tail(&new->entry, &card->ipato.entries); |
| 749 | |
| 750 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 751 | return rc; |
| 752 | } |
| 753 | |
| 754 | void qeth_l3_del_ipato_entry(struct qeth_card *card, |
| 755 | enum qeth_prot_versions proto, u8 *addr, int mask_bits) |
| 756 | { |
| 757 | struct qeth_ipato_entry *ipatoe, *tmp; |
| 758 | unsigned long flags; |
| 759 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 760 | QETH_DBF_TEXT(TRACE, 2, "delipato"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 761 | spin_lock_irqsave(&card->ip_lock, flags); |
| 762 | list_for_each_entry_safe(ipatoe, tmp, &card->ipato.entries, entry) { |
| 763 | if (ipatoe->proto != proto) |
| 764 | continue; |
| 765 | if (!memcmp(ipatoe->addr, addr, |
| 766 | (proto == QETH_PROT_IPV4)? 4:16) && |
| 767 | (ipatoe->mask_bits == mask_bits)) { |
| 768 | list_del(&ipatoe->entry); |
| 769 | kfree(ipatoe); |
| 770 | } |
| 771 | } |
| 772 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 773 | } |
| 774 | |
| 775 | /* |
| 776 | * VIPA related functions |
| 777 | */ |
| 778 | int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, |
| 779 | const u8 *addr) |
| 780 | { |
| 781 | struct qeth_ipaddr *ipaddr; |
| 782 | unsigned long flags; |
| 783 | int rc = 0; |
| 784 | |
| 785 | ipaddr = qeth_l3_get_addr_buffer(proto); |
| 786 | if (ipaddr) { |
| 787 | if (proto == QETH_PROT_IPV4) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 788 | QETH_DBF_TEXT(TRACE, 2, "addvipa4"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 789 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
| 790 | ipaddr->u.a4.mask = 0; |
| 791 | } else if (proto == QETH_PROT_IPV6) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 792 | QETH_DBF_TEXT(TRACE, 2, "addvipa6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 793 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
| 794 | ipaddr->u.a6.pfxlen = 0; |
| 795 | } |
| 796 | ipaddr->type = QETH_IP_TYPE_VIPA; |
| 797 | ipaddr->set_flags = QETH_IPA_SETIP_VIPA_FLAG; |
| 798 | ipaddr->del_flags = QETH_IPA_DELIP_VIPA_FLAG; |
| 799 | } else |
| 800 | return -ENOMEM; |
| 801 | spin_lock_irqsave(&card->ip_lock, flags); |
| 802 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || |
| 803 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) |
| 804 | rc = -EEXIST; |
| 805 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 806 | if (rc) { |
| 807 | PRINT_WARN("Cannot add VIPA. Address already exists!\n"); |
| 808 | return rc; |
| 809 | } |
| 810 | if (!qeth_l3_add_ip(card, ipaddr)) |
| 811 | kfree(ipaddr); |
| 812 | qeth_l3_set_ip_addr_list(card); |
| 813 | return rc; |
| 814 | } |
| 815 | |
| 816 | void qeth_l3_del_vipa(struct qeth_card *card, enum qeth_prot_versions proto, |
| 817 | const u8 *addr) |
| 818 | { |
| 819 | struct qeth_ipaddr *ipaddr; |
| 820 | |
| 821 | ipaddr = qeth_l3_get_addr_buffer(proto); |
| 822 | if (ipaddr) { |
| 823 | if (proto == QETH_PROT_IPV4) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 824 | QETH_DBF_TEXT(TRACE, 2, "delvipa4"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 825 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
| 826 | ipaddr->u.a4.mask = 0; |
| 827 | } else if (proto == QETH_PROT_IPV6) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 828 | QETH_DBF_TEXT(TRACE, 2, "delvipa6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 829 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
| 830 | ipaddr->u.a6.pfxlen = 0; |
| 831 | } |
| 832 | ipaddr->type = QETH_IP_TYPE_VIPA; |
| 833 | } else |
| 834 | return; |
| 835 | if (!qeth_l3_delete_ip(card, ipaddr)) |
| 836 | kfree(ipaddr); |
| 837 | qeth_l3_set_ip_addr_list(card); |
| 838 | } |
| 839 | |
| 840 | /* |
| 841 | * proxy ARP related functions |
| 842 | */ |
| 843 | int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, |
| 844 | const u8 *addr) |
| 845 | { |
| 846 | struct qeth_ipaddr *ipaddr; |
| 847 | unsigned long flags; |
| 848 | int rc = 0; |
| 849 | |
| 850 | ipaddr = qeth_l3_get_addr_buffer(proto); |
| 851 | if (ipaddr) { |
| 852 | if (proto == QETH_PROT_IPV4) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 853 | QETH_DBF_TEXT(TRACE, 2, "addrxip4"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 854 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
| 855 | ipaddr->u.a4.mask = 0; |
| 856 | } else if (proto == QETH_PROT_IPV6) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 857 | QETH_DBF_TEXT(TRACE, 2, "addrxip6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 858 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
| 859 | ipaddr->u.a6.pfxlen = 0; |
| 860 | } |
| 861 | ipaddr->type = QETH_IP_TYPE_RXIP; |
| 862 | ipaddr->set_flags = QETH_IPA_SETIP_TAKEOVER_FLAG; |
| 863 | ipaddr->del_flags = 0; |
| 864 | } else |
| 865 | return -ENOMEM; |
| 866 | spin_lock_irqsave(&card->ip_lock, flags); |
| 867 | if (qeth_l3_address_exists_in_list(&card->ip_list, ipaddr, 0) || |
| 868 | qeth_l3_address_exists_in_list(card->ip_tbd_list, ipaddr, 0)) |
| 869 | rc = -EEXIST; |
| 870 | spin_unlock_irqrestore(&card->ip_lock, flags); |
| 871 | if (rc) { |
| 872 | PRINT_WARN("Cannot add RXIP. Address already exists!\n"); |
| 873 | return rc; |
| 874 | } |
| 875 | if (!qeth_l3_add_ip(card, ipaddr)) |
| 876 | kfree(ipaddr); |
| 877 | qeth_l3_set_ip_addr_list(card); |
| 878 | return 0; |
| 879 | } |
| 880 | |
| 881 | void qeth_l3_del_rxip(struct qeth_card *card, enum qeth_prot_versions proto, |
| 882 | const u8 *addr) |
| 883 | { |
| 884 | struct qeth_ipaddr *ipaddr; |
| 885 | |
| 886 | ipaddr = qeth_l3_get_addr_buffer(proto); |
| 887 | if (ipaddr) { |
| 888 | if (proto == QETH_PROT_IPV4) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 889 | QETH_DBF_TEXT(TRACE, 2, "addrxip4"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 890 | memcpy(&ipaddr->u.a4.addr, addr, 4); |
| 891 | ipaddr->u.a4.mask = 0; |
| 892 | } else if (proto == QETH_PROT_IPV6) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 893 | QETH_DBF_TEXT(TRACE, 2, "addrxip6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 894 | memcpy(&ipaddr->u.a6.addr, addr, 16); |
| 895 | ipaddr->u.a6.pfxlen = 0; |
| 896 | } |
| 897 | ipaddr->type = QETH_IP_TYPE_RXIP; |
| 898 | } else |
| 899 | return; |
| 900 | if (!qeth_l3_delete_ip(card, ipaddr)) |
| 901 | kfree(ipaddr); |
| 902 | qeth_l3_set_ip_addr_list(card); |
| 903 | } |
| 904 | |
| 905 | static int qeth_l3_register_addr_entry(struct qeth_card *card, |
| 906 | struct qeth_ipaddr *addr) |
| 907 | { |
| 908 | char buf[50]; |
| 909 | int rc = 0; |
| 910 | int cnt = 3; |
| 911 | |
| 912 | if (addr->proto == QETH_PROT_IPV4) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 913 | QETH_DBF_TEXT(TRACE, 2, "setaddr4"); |
| 914 | QETH_DBF_HEX(TRACE, 3, &addr->u.a4.addr, sizeof(int)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 915 | } else if (addr->proto == QETH_PROT_IPV6) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 916 | QETH_DBF_TEXT(TRACE, 2, "setaddr6"); |
| 917 | QETH_DBF_HEX(TRACE, 3, &addr->u.a6.addr, 8); |
| 918 | QETH_DBF_HEX(TRACE, 3, ((char *)&addr->u.a6.addr) + 8, 8); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 919 | } else { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 920 | QETH_DBF_TEXT(TRACE, 2, "setaddr?"); |
| 921 | QETH_DBF_HEX(TRACE, 3, addr, sizeof(struct qeth_ipaddr)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 922 | } |
| 923 | do { |
| 924 | if (addr->is_multicast) |
| 925 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_SETIPM); |
| 926 | else |
| 927 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_SETIP, |
| 928 | addr->set_flags); |
| 929 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 930 | QETH_DBF_TEXT(TRACE, 2, "failed"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 931 | } while ((--cnt > 0) && rc); |
| 932 | if (rc) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 933 | QETH_DBF_TEXT(TRACE, 2, "FAILED"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 934 | qeth_l3_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
| 935 | PRINT_WARN("Could not register IP address %s (rc=0x%x/%d)\n", |
| 936 | buf, rc, rc); |
| 937 | } |
| 938 | return rc; |
| 939 | } |
| 940 | |
| 941 | static int qeth_l3_deregister_addr_entry(struct qeth_card *card, |
| 942 | struct qeth_ipaddr *addr) |
| 943 | { |
| 944 | int rc = 0; |
| 945 | |
| 946 | if (addr->proto == QETH_PROT_IPV4) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 947 | QETH_DBF_TEXT(TRACE, 2, "deladdr4"); |
| 948 | QETH_DBF_HEX(TRACE, 3, &addr->u.a4.addr, sizeof(int)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 949 | } else if (addr->proto == QETH_PROT_IPV6) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 950 | QETH_DBF_TEXT(TRACE, 2, "deladdr6"); |
| 951 | QETH_DBF_HEX(TRACE, 3, &addr->u.a6.addr, 8); |
| 952 | QETH_DBF_HEX(TRACE, 3, ((char *)&addr->u.a6.addr) + 8, 8); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 953 | } else { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 954 | QETH_DBF_TEXT(TRACE, 2, "deladdr?"); |
| 955 | QETH_DBF_HEX(TRACE, 3, addr, sizeof(struct qeth_ipaddr)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 956 | } |
| 957 | if (addr->is_multicast) |
| 958 | rc = qeth_l3_send_setdelmc(card, addr, IPA_CMD_DELIPM); |
| 959 | else |
| 960 | rc = qeth_l3_send_setdelip(card, addr, IPA_CMD_DELIP, |
| 961 | addr->del_flags); |
| 962 | if (rc) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 963 | QETH_DBF_TEXT(TRACE, 2, "failed"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 964 | /* TODO: re-activate this warning as soon as we have a |
| 965 | * clean mirco code |
| 966 | qeth_ipaddr_to_string(addr->proto, (u8 *)&addr->u, buf); |
| 967 | PRINT_WARN("Could not deregister IP address %s (rc=%x)\n", |
| 968 | buf, rc); |
| 969 | */ |
| 970 | } |
| 971 | |
| 972 | return rc; |
| 973 | } |
| 974 | |
| 975 | static inline u8 qeth_l3_get_qeth_hdr_flags4(int cast_type) |
| 976 | { |
| 977 | if (cast_type == RTN_MULTICAST) |
| 978 | return QETH_CAST_MULTICAST; |
| 979 | if (cast_type == RTN_BROADCAST) |
| 980 | return QETH_CAST_BROADCAST; |
| 981 | return QETH_CAST_UNICAST; |
| 982 | } |
| 983 | |
| 984 | static inline u8 qeth_l3_get_qeth_hdr_flags6(int cast_type) |
| 985 | { |
| 986 | u8 ct = QETH_HDR_PASSTHRU | QETH_HDR_IPV6; |
| 987 | if (cast_type == RTN_MULTICAST) |
| 988 | return ct | QETH_CAST_MULTICAST; |
| 989 | if (cast_type == RTN_ANYCAST) |
| 990 | return ct | QETH_CAST_ANYCAST; |
| 991 | if (cast_type == RTN_BROADCAST) |
| 992 | return ct | QETH_CAST_BROADCAST; |
| 993 | return ct | QETH_CAST_UNICAST; |
| 994 | } |
| 995 | |
| 996 | static int qeth_l3_send_setadp_mode(struct qeth_card *card, __u32 command, |
| 997 | __u32 mode) |
| 998 | { |
| 999 | int rc; |
| 1000 | struct qeth_cmd_buffer *iob; |
| 1001 | struct qeth_ipa_cmd *cmd; |
| 1002 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1003 | QETH_DBF_TEXT(TRACE, 4, "adpmode"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1004 | |
| 1005 | iob = qeth_get_adapter_cmd(card, command, |
| 1006 | sizeof(struct qeth_ipacmd_setadpparms)); |
| 1007 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 1008 | cmd->data.setadapterparms.data.mode = mode; |
| 1009 | rc = qeth_send_ipa_cmd(card, iob, qeth_default_setadapterparms_cb, |
| 1010 | NULL); |
| 1011 | return rc; |
| 1012 | } |
| 1013 | |
| 1014 | static int qeth_l3_setadapter_hstr(struct qeth_card *card) |
| 1015 | { |
| 1016 | int rc; |
| 1017 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1018 | QETH_DBF_TEXT(TRACE, 4, "adphstr"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1019 | |
| 1020 | if (qeth_adp_supported(card, IPA_SETADP_SET_BROADCAST_MODE)) { |
| 1021 | rc = qeth_l3_send_setadp_mode(card, |
| 1022 | IPA_SETADP_SET_BROADCAST_MODE, |
| 1023 | card->options.broadcast_mode); |
| 1024 | if (rc) |
| 1025 | PRINT_WARN("couldn't set broadcast mode on " |
| 1026 | "device %s: x%x\n", |
| 1027 | CARD_BUS_ID(card), rc); |
| 1028 | rc = qeth_l3_send_setadp_mode(card, |
| 1029 | IPA_SETADP_ALTER_MAC_ADDRESS, |
| 1030 | card->options.macaddr_mode); |
| 1031 | if (rc) |
| 1032 | PRINT_WARN("couldn't set macaddr mode on " |
| 1033 | "device %s: x%x\n", CARD_BUS_ID(card), rc); |
| 1034 | return rc; |
| 1035 | } |
| 1036 | if (card->options.broadcast_mode == QETH_TR_BROADCAST_LOCAL) |
| 1037 | PRINT_WARN("set adapter parameters not available " |
| 1038 | "to set broadcast mode, using ALLRINGS " |
| 1039 | "on device %s:\n", CARD_BUS_ID(card)); |
| 1040 | if (card->options.macaddr_mode == QETH_TR_MACADDR_CANONICAL) |
| 1041 | PRINT_WARN("set adapter parameters not available " |
| 1042 | "to set macaddr mode, using NONCANONICAL " |
| 1043 | "on device %s:\n", CARD_BUS_ID(card)); |
| 1044 | return 0; |
| 1045 | } |
| 1046 | |
| 1047 | static int qeth_l3_setadapter_parms(struct qeth_card *card) |
| 1048 | { |
| 1049 | int rc; |
| 1050 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1051 | QETH_DBF_TEXT(SETUP, 2, "setadprm"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1052 | |
| 1053 | if (!qeth_is_supported(card, IPA_SETADAPTERPARMS)) { |
| 1054 | PRINT_WARN("set adapter parameters not supported " |
| 1055 | "on device %s.\n", |
| 1056 | CARD_BUS_ID(card)); |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1057 | QETH_DBF_TEXT(SETUP, 2, " notsupp"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1058 | return 0; |
| 1059 | } |
| 1060 | rc = qeth_query_setadapterparms(card); |
| 1061 | if (rc) { |
| 1062 | PRINT_WARN("couldn't set adapter parameters on device %s: " |
| 1063 | "x%x\n", CARD_BUS_ID(card), rc); |
| 1064 | return rc; |
| 1065 | } |
| 1066 | if (qeth_adp_supported(card, IPA_SETADP_ALTER_MAC_ADDRESS)) { |
| 1067 | rc = qeth_setadpparms_change_macaddr(card); |
| 1068 | if (rc) |
| 1069 | PRINT_WARN("couldn't get MAC address on " |
| 1070 | "device %s: x%x\n", |
| 1071 | CARD_BUS_ID(card), rc); |
| 1072 | } |
| 1073 | |
| 1074 | if ((card->info.link_type == QETH_LINK_TYPE_HSTR) || |
| 1075 | (card->info.link_type == QETH_LINK_TYPE_LANE_TR)) |
| 1076 | rc = qeth_l3_setadapter_hstr(card); |
| 1077 | |
| 1078 | return rc; |
| 1079 | } |
| 1080 | |
| 1081 | static int qeth_l3_default_setassparms_cb(struct qeth_card *card, |
| 1082 | struct qeth_reply *reply, unsigned long data) |
| 1083 | { |
| 1084 | struct qeth_ipa_cmd *cmd; |
| 1085 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1086 | QETH_DBF_TEXT(TRACE, 4, "defadpcb"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1087 | |
| 1088 | cmd = (struct qeth_ipa_cmd *) data; |
| 1089 | if (cmd->hdr.return_code == 0) { |
| 1090 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; |
| 1091 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) |
| 1092 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; |
| 1093 | if (cmd->hdr.prot_version == QETH_PROT_IPV6) |
| 1094 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; |
| 1095 | } |
| 1096 | if (cmd->data.setassparms.hdr.assist_no == IPA_INBOUND_CHECKSUM && |
| 1097 | cmd->data.setassparms.hdr.command_code == IPA_CMD_ASS_START) { |
| 1098 | card->info.csum_mask = cmd->data.setassparms.data.flags_32bit; |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1099 | QETH_DBF_TEXT_(TRACE, 3, "csum:%d", card->info.csum_mask); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1100 | } |
| 1101 | return 0; |
| 1102 | } |
| 1103 | |
| 1104 | static struct qeth_cmd_buffer *qeth_l3_get_setassparms_cmd( |
| 1105 | struct qeth_card *card, enum qeth_ipa_funcs ipa_func, __u16 cmd_code, |
| 1106 | __u16 len, enum qeth_prot_versions prot) |
| 1107 | { |
| 1108 | struct qeth_cmd_buffer *iob; |
| 1109 | struct qeth_ipa_cmd *cmd; |
| 1110 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1111 | QETH_DBF_TEXT(TRACE, 4, "getasscm"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1112 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_SETASSPARMS, prot); |
| 1113 | |
| 1114 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 1115 | cmd->data.setassparms.hdr.assist_no = ipa_func; |
| 1116 | cmd->data.setassparms.hdr.length = 8 + len; |
| 1117 | cmd->data.setassparms.hdr.command_code = cmd_code; |
| 1118 | cmd->data.setassparms.hdr.return_code = 0; |
| 1119 | cmd->data.setassparms.hdr.seq_no = 0; |
| 1120 | |
| 1121 | return iob; |
| 1122 | } |
| 1123 | |
| 1124 | static int qeth_l3_send_setassparms(struct qeth_card *card, |
| 1125 | struct qeth_cmd_buffer *iob, __u16 len, long data, |
| 1126 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, |
| 1127 | unsigned long), |
| 1128 | void *reply_param) |
| 1129 | { |
| 1130 | int rc; |
| 1131 | struct qeth_ipa_cmd *cmd; |
| 1132 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1133 | QETH_DBF_TEXT(TRACE, 4, "sendassp"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1134 | |
| 1135 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 1136 | if (len <= sizeof(__u32)) |
| 1137 | cmd->data.setassparms.data.flags_32bit = (__u32) data; |
| 1138 | else /* (len > sizeof(__u32)) */ |
| 1139 | memcpy(&cmd->data.setassparms.data, (void *) data, len); |
| 1140 | |
| 1141 | rc = qeth_send_ipa_cmd(card, iob, reply_cb, reply_param); |
| 1142 | return rc; |
| 1143 | } |
| 1144 | |
| 1145 | #ifdef CONFIG_QETH_IPV6 |
| 1146 | static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card, |
| 1147 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code) |
| 1148 | { |
| 1149 | int rc; |
| 1150 | struct qeth_cmd_buffer *iob; |
| 1151 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1152 | QETH_DBF_TEXT(TRACE, 4, "simassp6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1153 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, |
| 1154 | 0, QETH_PROT_IPV6); |
| 1155 | rc = qeth_l3_send_setassparms(card, iob, 0, 0, |
| 1156 | qeth_l3_default_setassparms_cb, NULL); |
| 1157 | return rc; |
| 1158 | } |
| 1159 | #endif |
| 1160 | |
| 1161 | static int qeth_l3_send_simple_setassparms(struct qeth_card *card, |
| 1162 | enum qeth_ipa_funcs ipa_func, __u16 cmd_code, long data) |
| 1163 | { |
| 1164 | int rc; |
| 1165 | int length = 0; |
| 1166 | struct qeth_cmd_buffer *iob; |
| 1167 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1168 | QETH_DBF_TEXT(TRACE, 4, "simassp4"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1169 | if (data) |
| 1170 | length = sizeof(__u32); |
| 1171 | iob = qeth_l3_get_setassparms_cmd(card, ipa_func, cmd_code, |
| 1172 | length, QETH_PROT_IPV4); |
| 1173 | rc = qeth_l3_send_setassparms(card, iob, length, data, |
| 1174 | qeth_l3_default_setassparms_cb, NULL); |
| 1175 | return rc; |
| 1176 | } |
| 1177 | |
| 1178 | static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card) |
| 1179 | { |
| 1180 | int rc; |
| 1181 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1182 | QETH_DBF_TEXT(TRACE, 3, "ipaarp"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1183 | |
| 1184 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { |
| 1185 | PRINT_WARN("ARP processing not supported " |
| 1186 | "on %s!\n", QETH_CARD_IFNAME(card)); |
| 1187 | return 0; |
| 1188 | } |
| 1189 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
| 1190 | IPA_CMD_ASS_START, 0); |
| 1191 | if (rc) { |
| 1192 | PRINT_WARN("Could not start ARP processing " |
| 1193 | "assist on %s: 0x%x\n", |
| 1194 | QETH_CARD_IFNAME(card), rc); |
| 1195 | } |
| 1196 | return rc; |
| 1197 | } |
| 1198 | |
| 1199 | static int qeth_l3_start_ipa_ip_fragmentation(struct qeth_card *card) |
| 1200 | { |
| 1201 | int rc; |
| 1202 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1203 | QETH_DBF_TEXT(TRACE, 3, "ipaipfrg"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1204 | |
| 1205 | if (!qeth_is_supported(card, IPA_IP_FRAGMENTATION)) { |
| 1206 | PRINT_INFO("Hardware IP fragmentation not supported on %s\n", |
| 1207 | QETH_CARD_IFNAME(card)); |
| 1208 | return -EOPNOTSUPP; |
| 1209 | } |
| 1210 | |
| 1211 | rc = qeth_l3_send_simple_setassparms(card, IPA_IP_FRAGMENTATION, |
| 1212 | IPA_CMD_ASS_START, 0); |
| 1213 | if (rc) { |
| 1214 | PRINT_WARN("Could not start Hardware IP fragmentation " |
| 1215 | "assist on %s: 0x%x\n", |
| 1216 | QETH_CARD_IFNAME(card), rc); |
| 1217 | } else |
| 1218 | PRINT_INFO("Hardware IP fragmentation enabled \n"); |
| 1219 | return rc; |
| 1220 | } |
| 1221 | |
| 1222 | static int qeth_l3_start_ipa_source_mac(struct qeth_card *card) |
| 1223 | { |
| 1224 | int rc; |
| 1225 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1226 | QETH_DBF_TEXT(TRACE, 3, "stsrcmac"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1227 | |
| 1228 | if (!card->options.fake_ll) |
| 1229 | return -EOPNOTSUPP; |
| 1230 | |
| 1231 | if (!qeth_is_supported(card, IPA_SOURCE_MAC)) { |
| 1232 | PRINT_INFO("Inbound source address not " |
| 1233 | "supported on %s\n", QETH_CARD_IFNAME(card)); |
| 1234 | return -EOPNOTSUPP; |
| 1235 | } |
| 1236 | |
| 1237 | rc = qeth_l3_send_simple_setassparms(card, IPA_SOURCE_MAC, |
| 1238 | IPA_CMD_ASS_START, 0); |
| 1239 | if (rc) |
| 1240 | PRINT_WARN("Could not start inbound source " |
| 1241 | "assist on %s: 0x%x\n", |
| 1242 | QETH_CARD_IFNAME(card), rc); |
| 1243 | return rc; |
| 1244 | } |
| 1245 | |
| 1246 | static int qeth_l3_start_ipa_vlan(struct qeth_card *card) |
| 1247 | { |
| 1248 | int rc = 0; |
| 1249 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1250 | QETH_DBF_TEXT(TRACE, 3, "strtvlan"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1251 | |
| 1252 | if (!qeth_is_supported(card, IPA_FULL_VLAN)) { |
| 1253 | PRINT_WARN("VLAN not supported on %s\n", |
| 1254 | QETH_CARD_IFNAME(card)); |
| 1255 | return -EOPNOTSUPP; |
| 1256 | } |
| 1257 | |
| 1258 | rc = qeth_l3_send_simple_setassparms(card, IPA_VLAN_PRIO, |
| 1259 | IPA_CMD_ASS_START, 0); |
| 1260 | if (rc) { |
| 1261 | PRINT_WARN("Could not start vlan " |
| 1262 | "assist on %s: 0x%x\n", |
| 1263 | QETH_CARD_IFNAME(card), rc); |
| 1264 | } else { |
| 1265 | PRINT_INFO("VLAN enabled \n"); |
| 1266 | } |
| 1267 | return rc; |
| 1268 | } |
| 1269 | |
| 1270 | static int qeth_l3_start_ipa_multicast(struct qeth_card *card) |
| 1271 | { |
| 1272 | int rc; |
| 1273 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1274 | QETH_DBF_TEXT(TRACE, 3, "stmcast"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1275 | |
| 1276 | if (!qeth_is_supported(card, IPA_MULTICASTING)) { |
| 1277 | PRINT_WARN("Multicast not supported on %s\n", |
| 1278 | QETH_CARD_IFNAME(card)); |
| 1279 | return -EOPNOTSUPP; |
| 1280 | } |
| 1281 | |
| 1282 | rc = qeth_l3_send_simple_setassparms(card, IPA_MULTICASTING, |
| 1283 | IPA_CMD_ASS_START, 0); |
| 1284 | if (rc) { |
| 1285 | PRINT_WARN("Could not start multicast " |
| 1286 | "assist on %s: rc=%i\n", |
| 1287 | QETH_CARD_IFNAME(card), rc); |
| 1288 | } else { |
| 1289 | PRINT_INFO("Multicast enabled\n"); |
| 1290 | card->dev->flags |= IFF_MULTICAST; |
| 1291 | } |
| 1292 | return rc; |
| 1293 | } |
| 1294 | |
| 1295 | static int qeth_l3_query_ipassists_cb(struct qeth_card *card, |
| 1296 | struct qeth_reply *reply, unsigned long data) |
| 1297 | { |
| 1298 | struct qeth_ipa_cmd *cmd; |
| 1299 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1300 | QETH_DBF_TEXT(SETUP, 2, "qipasscb"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1301 | |
| 1302 | cmd = (struct qeth_ipa_cmd *) data; |
| 1303 | if (cmd->hdr.prot_version == QETH_PROT_IPV4) { |
| 1304 | card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; |
| 1305 | card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; |
| 1306 | } else { |
| 1307 | card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; |
| 1308 | card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; |
| 1309 | } |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1310 | QETH_DBF_TEXT(SETUP, 2, "suppenbl"); |
| 1311 | QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_supported); |
| 1312 | QETH_DBF_TEXT_(SETUP, 2, "%x", cmd->hdr.ipa_enabled); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1313 | return 0; |
| 1314 | } |
| 1315 | |
| 1316 | static int qeth_l3_query_ipassists(struct qeth_card *card, |
| 1317 | enum qeth_prot_versions prot) |
| 1318 | { |
| 1319 | int rc; |
| 1320 | struct qeth_cmd_buffer *iob; |
| 1321 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1322 | QETH_DBF_TEXT_(SETUP, 2, "qipassi%i", prot); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1323 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_QIPASSIST, prot); |
| 1324 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_query_ipassists_cb, NULL); |
| 1325 | return rc; |
| 1326 | } |
| 1327 | |
| 1328 | #ifdef CONFIG_QETH_IPV6 |
| 1329 | static int qeth_l3_softsetup_ipv6(struct qeth_card *card) |
| 1330 | { |
| 1331 | int rc; |
| 1332 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1333 | QETH_DBF_TEXT(TRACE, 3, "softipv6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1334 | |
| 1335 | if (card->info.type == QETH_CARD_TYPE_IQD) |
| 1336 | goto out; |
| 1337 | |
| 1338 | rc = qeth_l3_query_ipassists(card, QETH_PROT_IPV6); |
| 1339 | if (rc) { |
| 1340 | PRINT_ERR("IPv6 query ipassist failed on %s\n", |
| 1341 | QETH_CARD_IFNAME(card)); |
| 1342 | return rc; |
| 1343 | } |
| 1344 | rc = qeth_l3_send_simple_setassparms(card, IPA_IPV6, |
| 1345 | IPA_CMD_ASS_START, 3); |
| 1346 | if (rc) { |
| 1347 | PRINT_WARN("IPv6 start assist (version 4) failed " |
| 1348 | "on %s: 0x%x\n", |
| 1349 | QETH_CARD_IFNAME(card), rc); |
| 1350 | return rc; |
| 1351 | } |
| 1352 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_IPV6, |
| 1353 | IPA_CMD_ASS_START); |
| 1354 | if (rc) { |
| 1355 | PRINT_WARN("IPV6 start assist (version 6) failed " |
| 1356 | "on %s: 0x%x\n", |
| 1357 | QETH_CARD_IFNAME(card), rc); |
| 1358 | return rc; |
| 1359 | } |
| 1360 | rc = qeth_l3_send_simple_setassparms_ipv6(card, IPA_PASSTHRU, |
| 1361 | IPA_CMD_ASS_START); |
| 1362 | if (rc) { |
| 1363 | PRINT_WARN("Could not enable passthrough " |
| 1364 | "on %s: 0x%x\n", |
| 1365 | QETH_CARD_IFNAME(card), rc); |
| 1366 | return rc; |
| 1367 | } |
| 1368 | out: |
| 1369 | PRINT_INFO("IPV6 enabled \n"); |
| 1370 | return 0; |
| 1371 | } |
| 1372 | #endif |
| 1373 | |
| 1374 | static int qeth_l3_start_ipa_ipv6(struct qeth_card *card) |
| 1375 | { |
| 1376 | int rc = 0; |
| 1377 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1378 | QETH_DBF_TEXT(TRACE, 3, "strtipv6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1379 | |
| 1380 | if (!qeth_is_supported(card, IPA_IPV6)) { |
| 1381 | PRINT_WARN("IPv6 not supported on %s\n", |
| 1382 | QETH_CARD_IFNAME(card)); |
| 1383 | return 0; |
| 1384 | } |
| 1385 | #ifdef CONFIG_QETH_IPV6 |
| 1386 | rc = qeth_l3_softsetup_ipv6(card); |
| 1387 | #endif |
| 1388 | return rc ; |
| 1389 | } |
| 1390 | |
| 1391 | static int qeth_l3_start_ipa_broadcast(struct qeth_card *card) |
| 1392 | { |
| 1393 | int rc; |
| 1394 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1395 | QETH_DBF_TEXT(TRACE, 3, "stbrdcst"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1396 | card->info.broadcast_capable = 0; |
| 1397 | if (!qeth_is_supported(card, IPA_FILTERING)) { |
| 1398 | PRINT_WARN("Broadcast not supported on %s\n", |
| 1399 | QETH_CARD_IFNAME(card)); |
| 1400 | rc = -EOPNOTSUPP; |
| 1401 | goto out; |
| 1402 | } |
| 1403 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, |
| 1404 | IPA_CMD_ASS_START, 0); |
| 1405 | if (rc) { |
| 1406 | PRINT_WARN("Could not enable broadcasting filtering " |
| 1407 | "on %s: 0x%x\n", |
| 1408 | QETH_CARD_IFNAME(card), rc); |
| 1409 | goto out; |
| 1410 | } |
| 1411 | |
| 1412 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, |
| 1413 | IPA_CMD_ASS_CONFIGURE, 1); |
| 1414 | if (rc) { |
| 1415 | PRINT_WARN("Could not set up broadcast filtering on %s: 0x%x\n", |
| 1416 | QETH_CARD_IFNAME(card), rc); |
| 1417 | goto out; |
| 1418 | } |
| 1419 | card->info.broadcast_capable = QETH_BROADCAST_WITH_ECHO; |
| 1420 | PRINT_INFO("Broadcast enabled \n"); |
| 1421 | rc = qeth_l3_send_simple_setassparms(card, IPA_FILTERING, |
| 1422 | IPA_CMD_ASS_ENABLE, 1); |
| 1423 | if (rc) { |
| 1424 | PRINT_WARN("Could not set up broadcast echo filtering on " |
| 1425 | "%s: 0x%x\n", QETH_CARD_IFNAME(card), rc); |
| 1426 | goto out; |
| 1427 | } |
| 1428 | card->info.broadcast_capable = QETH_BROADCAST_WITHOUT_ECHO; |
| 1429 | out: |
| 1430 | if (card->info.broadcast_capable) |
| 1431 | card->dev->flags |= IFF_BROADCAST; |
| 1432 | else |
| 1433 | card->dev->flags &= ~IFF_BROADCAST; |
| 1434 | return rc; |
| 1435 | } |
| 1436 | |
| 1437 | static int qeth_l3_send_checksum_command(struct qeth_card *card) |
| 1438 | { |
| 1439 | int rc; |
| 1440 | |
| 1441 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, |
| 1442 | IPA_CMD_ASS_START, 0); |
| 1443 | if (rc) { |
| 1444 | PRINT_WARN("Starting Inbound HW Checksumming failed on %s: " |
| 1445 | "0x%x,\ncontinuing using Inbound SW Checksumming\n", |
| 1446 | QETH_CARD_IFNAME(card), rc); |
| 1447 | return rc; |
| 1448 | } |
| 1449 | rc = qeth_l3_send_simple_setassparms(card, IPA_INBOUND_CHECKSUM, |
| 1450 | IPA_CMD_ASS_ENABLE, |
| 1451 | card->info.csum_mask); |
| 1452 | if (rc) { |
| 1453 | PRINT_WARN("Enabling Inbound HW Checksumming failed on %s: " |
| 1454 | "0x%x,\ncontinuing using Inbound SW Checksumming\n", |
| 1455 | QETH_CARD_IFNAME(card), rc); |
| 1456 | return rc; |
| 1457 | } |
| 1458 | return 0; |
| 1459 | } |
| 1460 | |
| 1461 | static int qeth_l3_start_ipa_checksum(struct qeth_card *card) |
| 1462 | { |
| 1463 | int rc = 0; |
| 1464 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1465 | QETH_DBF_TEXT(TRACE, 3, "strtcsum"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1466 | |
| 1467 | if (card->options.checksum_type == NO_CHECKSUMMING) { |
| 1468 | PRINT_WARN("Using no checksumming on %s.\n", |
| 1469 | QETH_CARD_IFNAME(card)); |
| 1470 | return 0; |
| 1471 | } |
| 1472 | if (card->options.checksum_type == SW_CHECKSUMMING) { |
| 1473 | PRINT_WARN("Using SW checksumming on %s.\n", |
| 1474 | QETH_CARD_IFNAME(card)); |
| 1475 | return 0; |
| 1476 | } |
| 1477 | if (!qeth_is_supported(card, IPA_INBOUND_CHECKSUM)) { |
| 1478 | PRINT_WARN("Inbound HW Checksumming not " |
| 1479 | "supported on %s,\ncontinuing " |
| 1480 | "using Inbound SW Checksumming\n", |
| 1481 | QETH_CARD_IFNAME(card)); |
| 1482 | card->options.checksum_type = SW_CHECKSUMMING; |
| 1483 | return 0; |
| 1484 | } |
| 1485 | rc = qeth_l3_send_checksum_command(card); |
| 1486 | if (!rc) |
| 1487 | PRINT_INFO("HW Checksumming (inbound) enabled \n"); |
| 1488 | |
| 1489 | return rc; |
| 1490 | } |
| 1491 | |
| 1492 | static int qeth_l3_start_ipa_tso(struct qeth_card *card) |
| 1493 | { |
| 1494 | int rc; |
| 1495 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1496 | QETH_DBF_TEXT(TRACE, 3, "sttso"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1497 | |
| 1498 | if (!qeth_is_supported(card, IPA_OUTBOUND_TSO)) { |
| 1499 | PRINT_WARN("Outbound TSO not supported on %s\n", |
| 1500 | QETH_CARD_IFNAME(card)); |
| 1501 | rc = -EOPNOTSUPP; |
| 1502 | } else { |
| 1503 | rc = qeth_l3_send_simple_setassparms(card, IPA_OUTBOUND_TSO, |
| 1504 | IPA_CMD_ASS_START, 0); |
| 1505 | if (rc) |
| 1506 | PRINT_WARN("Could not start outbound TSO " |
| 1507 | "assist on %s: rc=%i\n", |
| 1508 | QETH_CARD_IFNAME(card), rc); |
| 1509 | else |
| 1510 | PRINT_INFO("Outbound TSO enabled\n"); |
| 1511 | } |
| 1512 | if (rc && (card->options.large_send == QETH_LARGE_SEND_TSO)) { |
| 1513 | card->options.large_send = QETH_LARGE_SEND_NO; |
| 1514 | card->dev->features &= ~(NETIF_F_TSO | NETIF_F_SG); |
| 1515 | } |
| 1516 | return rc; |
| 1517 | } |
| 1518 | |
| 1519 | static int qeth_l3_start_ipassists(struct qeth_card *card) |
| 1520 | { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1521 | QETH_DBF_TEXT(TRACE, 3, "strtipas"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1522 | qeth_l3_start_ipa_arp_processing(card); /* go on*/ |
| 1523 | qeth_l3_start_ipa_ip_fragmentation(card); /* go on*/ |
| 1524 | qeth_l3_start_ipa_source_mac(card); /* go on*/ |
| 1525 | qeth_l3_start_ipa_vlan(card); /* go on*/ |
| 1526 | qeth_l3_start_ipa_multicast(card); /* go on*/ |
| 1527 | qeth_l3_start_ipa_ipv6(card); /* go on*/ |
| 1528 | qeth_l3_start_ipa_broadcast(card); /* go on*/ |
| 1529 | qeth_l3_start_ipa_checksum(card); /* go on*/ |
| 1530 | qeth_l3_start_ipa_tso(card); /* go on*/ |
| 1531 | return 0; |
| 1532 | } |
| 1533 | |
| 1534 | static int qeth_l3_put_unique_id(struct qeth_card *card) |
| 1535 | { |
| 1536 | |
| 1537 | int rc = 0; |
| 1538 | struct qeth_cmd_buffer *iob; |
| 1539 | struct qeth_ipa_cmd *cmd; |
| 1540 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1541 | QETH_DBF_TEXT(TRACE, 2, "puniqeid"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1542 | |
| 1543 | if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) == |
| 1544 | UNIQUE_ID_NOT_BY_CARD) |
| 1545 | return -1; |
| 1546 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR, |
| 1547 | QETH_PROT_IPV6); |
| 1548 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 1549 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = |
| 1550 | card->info.unique_id; |
| 1551 | memcpy(&cmd->data.create_destroy_addr.unique_id[0], |
| 1552 | card->dev->dev_addr, OSA_ADDR_LEN); |
| 1553 | rc = qeth_send_ipa_cmd(card, iob, NULL, NULL); |
| 1554 | return rc; |
| 1555 | } |
| 1556 | |
| 1557 | static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card, |
| 1558 | struct qeth_reply *reply, unsigned long data) |
| 1559 | { |
| 1560 | struct qeth_ipa_cmd *cmd; |
| 1561 | |
| 1562 | cmd = (struct qeth_ipa_cmd *) data; |
| 1563 | if (cmd->hdr.return_code == 0) |
| 1564 | memcpy(card->dev->dev_addr, |
| 1565 | cmd->data.create_destroy_addr.unique_id, ETH_ALEN); |
| 1566 | else |
| 1567 | random_ether_addr(card->dev->dev_addr); |
| 1568 | |
| 1569 | return 0; |
| 1570 | } |
| 1571 | |
| 1572 | static int qeth_l3_iqd_read_initial_mac(struct qeth_card *card) |
| 1573 | { |
| 1574 | int rc = 0; |
| 1575 | struct qeth_cmd_buffer *iob; |
| 1576 | struct qeth_ipa_cmd *cmd; |
| 1577 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1578 | QETH_DBF_TEXT(SETUP, 2, "hsrmac"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1579 | |
| 1580 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, |
| 1581 | QETH_PROT_IPV6); |
| 1582 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 1583 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = |
| 1584 | card->info.unique_id; |
| 1585 | |
| 1586 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_iqd_read_initial_mac_cb, |
| 1587 | NULL); |
| 1588 | return rc; |
| 1589 | } |
| 1590 | |
| 1591 | static int qeth_l3_get_unique_id_cb(struct qeth_card *card, |
| 1592 | struct qeth_reply *reply, unsigned long data) |
| 1593 | { |
| 1594 | struct qeth_ipa_cmd *cmd; |
| 1595 | |
| 1596 | cmd = (struct qeth_ipa_cmd *) data; |
| 1597 | if (cmd->hdr.return_code == 0) |
| 1598 | card->info.unique_id = *((__u16 *) |
| 1599 | &cmd->data.create_destroy_addr.unique_id[6]); |
| 1600 | else { |
| 1601 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | |
| 1602 | UNIQUE_ID_NOT_BY_CARD; |
| 1603 | PRINT_WARN("couldn't get a unique id from the card on device " |
| 1604 | "%s (result=x%x), using default id. ipv6 " |
| 1605 | "autoconfig on other lpars may lead to duplicate " |
| 1606 | "ip addresses. please use manually " |
| 1607 | "configured ones.\n", |
| 1608 | CARD_BUS_ID(card), cmd->hdr.return_code); |
| 1609 | } |
| 1610 | return 0; |
| 1611 | } |
| 1612 | |
| 1613 | static int qeth_l3_get_unique_id(struct qeth_card *card) |
| 1614 | { |
| 1615 | int rc = 0; |
| 1616 | struct qeth_cmd_buffer *iob; |
| 1617 | struct qeth_ipa_cmd *cmd; |
| 1618 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1619 | QETH_DBF_TEXT(SETUP, 2, "guniqeid"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1620 | |
| 1621 | if (!qeth_is_supported(card, IPA_IPV6)) { |
| 1622 | card->info.unique_id = UNIQUE_ID_IF_CREATE_ADDR_FAILED | |
| 1623 | UNIQUE_ID_NOT_BY_CARD; |
| 1624 | return 0; |
| 1625 | } |
| 1626 | |
| 1627 | iob = qeth_get_ipacmd_buffer(card, IPA_CMD_CREATE_ADDR, |
| 1628 | QETH_PROT_IPV6); |
| 1629 | cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE); |
| 1630 | *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) = |
| 1631 | card->info.unique_id; |
| 1632 | |
| 1633 | rc = qeth_send_ipa_cmd(card, iob, qeth_l3_get_unique_id_cb, NULL); |
| 1634 | return rc; |
| 1635 | } |
| 1636 | |
| 1637 | static void qeth_l3_get_mac_for_ipm(__u32 ipm, char *mac, |
| 1638 | struct net_device *dev) |
| 1639 | { |
| 1640 | if (dev->type == ARPHRD_IEEE802_TR) |
| 1641 | ip_tr_mc_map(ipm, mac); |
| 1642 | else |
| 1643 | ip_eth_mc_map(ipm, mac); |
| 1644 | } |
| 1645 | |
| 1646 | static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev) |
| 1647 | { |
| 1648 | struct qeth_ipaddr *ipm; |
| 1649 | struct ip_mc_list *im4; |
| 1650 | char buf[MAX_ADDR_LEN]; |
| 1651 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1652 | QETH_DBF_TEXT(TRACE, 4, "addmc"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1653 | for (im4 = in4_dev->mc_list; im4; im4 = im4->next) { |
| 1654 | qeth_l3_get_mac_for_ipm(im4->multiaddr, buf, in4_dev->dev); |
| 1655 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
| 1656 | if (!ipm) |
| 1657 | continue; |
| 1658 | ipm->u.a4.addr = im4->multiaddr; |
| 1659 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); |
| 1660 | ipm->is_multicast = 1; |
| 1661 | if (!qeth_l3_add_ip(card, ipm)) |
| 1662 | kfree(ipm); |
| 1663 | } |
| 1664 | } |
| 1665 | |
| 1666 | static void qeth_l3_add_vlan_mc(struct qeth_card *card) |
| 1667 | { |
| 1668 | struct in_device *in_dev; |
| 1669 | struct vlan_group *vg; |
| 1670 | int i; |
| 1671 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1672 | QETH_DBF_TEXT(TRACE, 4, "addmcvl"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1673 | if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL)) |
| 1674 | return; |
| 1675 | |
| 1676 | vg = card->vlangrp; |
| 1677 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { |
| 1678 | struct net_device *netdev = vlan_group_get_device(vg, i); |
| 1679 | if (netdev == NULL || |
| 1680 | !(netdev->flags & IFF_UP)) |
| 1681 | continue; |
| 1682 | in_dev = in_dev_get(netdev); |
| 1683 | if (!in_dev) |
| 1684 | continue; |
| 1685 | read_lock(&in_dev->mc_list_lock); |
| 1686 | qeth_l3_add_mc(card, in_dev); |
| 1687 | read_unlock(&in_dev->mc_list_lock); |
| 1688 | in_dev_put(in_dev); |
| 1689 | } |
| 1690 | } |
| 1691 | |
| 1692 | static void qeth_l3_add_multicast_ipv4(struct qeth_card *card) |
| 1693 | { |
| 1694 | struct in_device *in4_dev; |
| 1695 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1696 | QETH_DBF_TEXT(TRACE, 4, "chkmcv4"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1697 | in4_dev = in_dev_get(card->dev); |
| 1698 | if (in4_dev == NULL) |
| 1699 | return; |
| 1700 | read_lock(&in4_dev->mc_list_lock); |
| 1701 | qeth_l3_add_mc(card, in4_dev); |
| 1702 | qeth_l3_add_vlan_mc(card); |
| 1703 | read_unlock(&in4_dev->mc_list_lock); |
| 1704 | in_dev_put(in4_dev); |
| 1705 | } |
| 1706 | |
| 1707 | #ifdef CONFIG_QETH_IPV6 |
| 1708 | static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev) |
| 1709 | { |
| 1710 | struct qeth_ipaddr *ipm; |
| 1711 | struct ifmcaddr6 *im6; |
| 1712 | char buf[MAX_ADDR_LEN]; |
| 1713 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1714 | QETH_DBF_TEXT(TRACE, 4, "addmc6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1715 | for (im6 = in6_dev->mc_list; im6 != NULL; im6 = im6->next) { |
| 1716 | ndisc_mc_map(&im6->mca_addr, buf, in6_dev->dev, 0); |
| 1717 | ipm = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
| 1718 | if (!ipm) |
| 1719 | continue; |
| 1720 | ipm->is_multicast = 1; |
| 1721 | memcpy(ipm->mac, buf, OSA_ADDR_LEN); |
| 1722 | memcpy(&ipm->u.a6.addr, &im6->mca_addr.s6_addr, |
| 1723 | sizeof(struct in6_addr)); |
| 1724 | if (!qeth_l3_add_ip(card, ipm)) |
| 1725 | kfree(ipm); |
| 1726 | } |
| 1727 | } |
| 1728 | |
| 1729 | static void qeth_l3_add_vlan_mc6(struct qeth_card *card) |
| 1730 | { |
| 1731 | struct inet6_dev *in_dev; |
| 1732 | struct vlan_group *vg; |
| 1733 | int i; |
| 1734 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1735 | QETH_DBF_TEXT(TRACE, 4, "admc6vl"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1736 | if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL)) |
| 1737 | return; |
| 1738 | |
| 1739 | vg = card->vlangrp; |
| 1740 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { |
| 1741 | struct net_device *netdev = vlan_group_get_device(vg, i); |
| 1742 | if (netdev == NULL || |
| 1743 | !(netdev->flags & IFF_UP)) |
| 1744 | continue; |
| 1745 | in_dev = in6_dev_get(netdev); |
| 1746 | if (!in_dev) |
| 1747 | continue; |
| 1748 | read_lock_bh(&in_dev->lock); |
| 1749 | qeth_l3_add_mc6(card, in_dev); |
| 1750 | read_unlock_bh(&in_dev->lock); |
| 1751 | in6_dev_put(in_dev); |
| 1752 | } |
| 1753 | } |
| 1754 | |
| 1755 | static void qeth_l3_add_multicast_ipv6(struct qeth_card *card) |
| 1756 | { |
| 1757 | struct inet6_dev *in6_dev; |
| 1758 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1759 | QETH_DBF_TEXT(TRACE, 4, "chkmcv6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1760 | if (!qeth_is_supported(card, IPA_IPV6)) |
| 1761 | return ; |
| 1762 | in6_dev = in6_dev_get(card->dev); |
| 1763 | if (in6_dev == NULL) |
| 1764 | return; |
| 1765 | read_lock_bh(&in6_dev->lock); |
| 1766 | qeth_l3_add_mc6(card, in6_dev); |
| 1767 | qeth_l3_add_vlan_mc6(card); |
| 1768 | read_unlock_bh(&in6_dev->lock); |
| 1769 | in6_dev_put(in6_dev); |
| 1770 | } |
| 1771 | #endif /* CONFIG_QETH_IPV6 */ |
| 1772 | |
| 1773 | static void qeth_l3_free_vlan_addresses4(struct qeth_card *card, |
| 1774 | unsigned short vid) |
| 1775 | { |
| 1776 | struct in_device *in_dev; |
| 1777 | struct in_ifaddr *ifa; |
| 1778 | struct qeth_ipaddr *addr; |
| 1779 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1780 | QETH_DBF_TEXT(TRACE, 4, "frvaddr4"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1781 | |
| 1782 | in_dev = in_dev_get(vlan_group_get_device(card->vlangrp, vid)); |
| 1783 | if (!in_dev) |
| 1784 | return; |
| 1785 | for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { |
| 1786 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
| 1787 | if (addr) { |
| 1788 | addr->u.a4.addr = ifa->ifa_address; |
| 1789 | addr->u.a4.mask = ifa->ifa_mask; |
| 1790 | addr->type = QETH_IP_TYPE_NORMAL; |
| 1791 | if (!qeth_l3_delete_ip(card, addr)) |
| 1792 | kfree(addr); |
| 1793 | } |
| 1794 | } |
| 1795 | in_dev_put(in_dev); |
| 1796 | } |
| 1797 | |
| 1798 | static void qeth_l3_free_vlan_addresses6(struct qeth_card *card, |
| 1799 | unsigned short vid) |
| 1800 | { |
| 1801 | #ifdef CONFIG_QETH_IPV6 |
| 1802 | struct inet6_dev *in6_dev; |
| 1803 | struct inet6_ifaddr *ifa; |
| 1804 | struct qeth_ipaddr *addr; |
| 1805 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1806 | QETH_DBF_TEXT(TRACE, 4, "frvaddr6"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1807 | |
| 1808 | in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid)); |
| 1809 | if (!in6_dev) |
| 1810 | return; |
| 1811 | for (ifa = in6_dev->addr_list; ifa; ifa = ifa->lst_next) { |
| 1812 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
| 1813 | if (addr) { |
| 1814 | memcpy(&addr->u.a6.addr, &ifa->addr, |
| 1815 | sizeof(struct in6_addr)); |
| 1816 | addr->u.a6.pfxlen = ifa->prefix_len; |
| 1817 | addr->type = QETH_IP_TYPE_NORMAL; |
| 1818 | if (!qeth_l3_delete_ip(card, addr)) |
| 1819 | kfree(addr); |
| 1820 | } |
| 1821 | } |
| 1822 | in6_dev_put(in6_dev); |
| 1823 | #endif /* CONFIG_QETH_IPV6 */ |
| 1824 | } |
| 1825 | |
| 1826 | static void qeth_l3_free_vlan_addresses(struct qeth_card *card, |
| 1827 | unsigned short vid) |
| 1828 | { |
| 1829 | if (!card->vlangrp) |
| 1830 | return; |
| 1831 | qeth_l3_free_vlan_addresses4(card, vid); |
| 1832 | qeth_l3_free_vlan_addresses6(card, vid); |
| 1833 | } |
| 1834 | |
| 1835 | static void qeth_l3_vlan_rx_register(struct net_device *dev, |
| 1836 | struct vlan_group *grp) |
| 1837 | { |
| 1838 | struct qeth_card *card = netdev_priv(dev); |
| 1839 | unsigned long flags; |
| 1840 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1841 | QETH_DBF_TEXT(TRACE, 4, "vlanreg"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1842 | spin_lock_irqsave(&card->vlanlock, flags); |
| 1843 | card->vlangrp = grp; |
| 1844 | spin_unlock_irqrestore(&card->vlanlock, flags); |
| 1845 | } |
| 1846 | |
| 1847 | static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) |
| 1848 | { |
| 1849 | struct net_device *vlandev; |
| 1850 | struct qeth_card *card = (struct qeth_card *) dev->priv; |
| 1851 | struct in_device *in_dev; |
| 1852 | |
| 1853 | if (card->info.type == QETH_CARD_TYPE_IQD) |
| 1854 | return; |
| 1855 | |
| 1856 | vlandev = vlan_group_get_device(card->vlangrp, vid); |
| 1857 | vlandev->neigh_setup = qeth_l3_neigh_setup; |
| 1858 | |
| 1859 | in_dev = in_dev_get(vlandev); |
| 1860 | #ifdef CONFIG_SYSCTL |
| 1861 | neigh_sysctl_unregister(in_dev->arp_parms); |
| 1862 | #endif |
| 1863 | neigh_parms_release(&arp_tbl, in_dev->arp_parms); |
| 1864 | |
| 1865 | in_dev->arp_parms = neigh_parms_alloc(vlandev, &arp_tbl); |
| 1866 | #ifdef CONFIG_SYSCTL |
| 1867 | neigh_sysctl_register(vlandev, in_dev->arp_parms, NET_IPV4, |
| 1868 | NET_IPV4_NEIGH, "ipv4", NULL, NULL); |
| 1869 | #endif |
| 1870 | in_dev_put(in_dev); |
| 1871 | return; |
| 1872 | } |
| 1873 | |
| 1874 | static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) |
| 1875 | { |
| 1876 | struct qeth_card *card = netdev_priv(dev); |
| 1877 | unsigned long flags; |
| 1878 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 1879 | QETH_DBF_TEXT_(TRACE, 4, "kid:%d", vid); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 1880 | spin_lock_irqsave(&card->vlanlock, flags); |
| 1881 | /* unregister IP addresses of vlan device */ |
| 1882 | qeth_l3_free_vlan_addresses(card, vid); |
| 1883 | vlan_group_set_device(card->vlangrp, vid, NULL); |
| 1884 | spin_unlock_irqrestore(&card->vlanlock, flags); |
| 1885 | qeth_l3_set_multicast_list(card->dev); |
| 1886 | } |
| 1887 | |
| 1888 | static inline __u16 qeth_l3_rebuild_skb(struct qeth_card *card, |
| 1889 | struct sk_buff *skb, struct qeth_hdr *hdr) |
| 1890 | { |
| 1891 | unsigned short vlan_id = 0; |
| 1892 | __be16 prot; |
| 1893 | struct iphdr *ip_hdr; |
| 1894 | unsigned char tg_addr[MAX_ADDR_LEN]; |
| 1895 | |
| 1896 | if (!(hdr->hdr.l3.flags & QETH_HDR_PASSTHRU)) { |
| 1897 | prot = htons((hdr->hdr.l3.flags & QETH_HDR_IPV6)? ETH_P_IPV6 : |
| 1898 | ETH_P_IP); |
| 1899 | switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) { |
| 1900 | case QETH_CAST_MULTICAST: |
| 1901 | switch (prot) { |
| 1902 | #ifdef CONFIG_QETH_IPV6 |
| 1903 | case __constant_htons(ETH_P_IPV6): |
| 1904 | ndisc_mc_map((struct in6_addr *) |
| 1905 | skb->data + 24, |
| 1906 | tg_addr, card->dev, 0); |
| 1907 | break; |
| 1908 | #endif |
| 1909 | case __constant_htons(ETH_P_IP): |
| 1910 | ip_hdr = (struct iphdr *)skb->data; |
| 1911 | (card->dev->type == ARPHRD_IEEE802_TR) ? |
| 1912 | ip_tr_mc_map(ip_hdr->daddr, tg_addr): |
| 1913 | ip_eth_mc_map(ip_hdr->daddr, tg_addr); |
| 1914 | break; |
| 1915 | default: |
| 1916 | memcpy(tg_addr, card->dev->broadcast, |
| 1917 | card->dev->addr_len); |
| 1918 | } |
| 1919 | card->stats.multicast++; |
| 1920 | skb->pkt_type = PACKET_MULTICAST; |
| 1921 | break; |
| 1922 | case QETH_CAST_BROADCAST: |
| 1923 | memcpy(tg_addr, card->dev->broadcast, |
| 1924 | card->dev->addr_len); |
| 1925 | card->stats.multicast++; |
| 1926 | skb->pkt_type = PACKET_BROADCAST; |
| 1927 | break; |
| 1928 | case QETH_CAST_UNICAST: |
| 1929 | case QETH_CAST_ANYCAST: |
| 1930 | case QETH_CAST_NOCAST: |
| 1931 | default: |
| 1932 | skb->pkt_type = PACKET_HOST; |
| 1933 | memcpy(tg_addr, card->dev->dev_addr, |
| 1934 | card->dev->addr_len); |
| 1935 | } |
| 1936 | card->dev->header_ops->create(skb, card->dev, prot, tg_addr, |
| 1937 | "FAKELL", card->dev->addr_len); |
| 1938 | } |
| 1939 | |
| 1940 | #ifdef CONFIG_TR |
| 1941 | if (card->dev->type == ARPHRD_IEEE802_TR) |
| 1942 | skb->protocol = tr_type_trans(skb, card->dev); |
| 1943 | else |
| 1944 | #endif |
| 1945 | skb->protocol = eth_type_trans(skb, card->dev); |
| 1946 | |
| 1947 | if (hdr->hdr.l3.ext_flags & |
| 1948 | (QETH_HDR_EXT_VLAN_FRAME | QETH_HDR_EXT_INCLUDE_VLAN_TAG)) { |
| 1949 | vlan_id = (hdr->hdr.l3.ext_flags & QETH_HDR_EXT_VLAN_FRAME)? |
| 1950 | hdr->hdr.l3.vlan_id : *((u16 *)&hdr->hdr.l3.dest_addr[12]); |
| 1951 | } |
| 1952 | |
| 1953 | skb->ip_summed = card->options.checksum_type; |
| 1954 | if (card->options.checksum_type == HW_CHECKSUMMING) { |
| 1955 | if ((hdr->hdr.l3.ext_flags & |
| 1956 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
| 1957 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) == |
| 1958 | (QETH_HDR_EXT_CSUM_HDR_REQ | |
| 1959 | QETH_HDR_EXT_CSUM_TRANSP_REQ)) |
| 1960 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
| 1961 | else |
| 1962 | skb->ip_summed = SW_CHECKSUMMING; |
| 1963 | } |
| 1964 | |
| 1965 | return vlan_id; |
| 1966 | } |
| 1967 | |
| 1968 | static void qeth_l3_process_inbound_buffer(struct qeth_card *card, |
| 1969 | struct qeth_qdio_buffer *buf, int index) |
| 1970 | { |
| 1971 | struct qdio_buffer_element *element; |
| 1972 | struct sk_buff *skb; |
| 1973 | struct qeth_hdr *hdr; |
| 1974 | int offset; |
| 1975 | __u16 vlan_tag = 0; |
| 1976 | unsigned int len; |
| 1977 | |
| 1978 | /* get first element of current buffer */ |
| 1979 | element = (struct qdio_buffer_element *)&buf->buffer->element[0]; |
| 1980 | offset = 0; |
| 1981 | if (card->options.performance_stats) |
| 1982 | card->perf_stats.bufs_rec++; |
| 1983 | while ((skb = qeth_core_get_next_skb(card, buf->buffer, &element, |
| 1984 | &offset, &hdr))) { |
| 1985 | skb->dev = card->dev; |
| 1986 | /* is device UP ? */ |
| 1987 | if (!(card->dev->flags & IFF_UP)) { |
| 1988 | dev_kfree_skb_any(skb); |
| 1989 | continue; |
| 1990 | } |
| 1991 | |
| 1992 | switch (hdr->hdr.l3.id) { |
| 1993 | case QETH_HEADER_TYPE_LAYER3: |
| 1994 | vlan_tag = qeth_l3_rebuild_skb(card, skb, hdr); |
| 1995 | len = skb->len; |
| 1996 | if (vlan_tag) |
| 1997 | if (card->vlangrp) |
| 1998 | vlan_hwaccel_rx(skb, card->vlangrp, |
| 1999 | vlan_tag); |
| 2000 | else { |
| 2001 | dev_kfree_skb_any(skb); |
| 2002 | continue; |
| 2003 | } |
| 2004 | else |
| 2005 | netif_rx(skb); |
| 2006 | break; |
| 2007 | default: |
| 2008 | dev_kfree_skb_any(skb); |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2009 | QETH_DBF_TEXT(TRACE, 3, "inbunkno"); |
| 2010 | QETH_DBF_HEX(CTRL, 3, hdr, QETH_DBF_CTRL_LEN); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2011 | continue; |
| 2012 | } |
| 2013 | |
| 2014 | card->dev->last_rx = jiffies; |
| 2015 | card->stats.rx_packets++; |
| 2016 | card->stats.rx_bytes += len; |
| 2017 | } |
| 2018 | } |
| 2019 | |
| 2020 | static int qeth_l3_verify_vlan_dev(struct net_device *dev, |
| 2021 | struct qeth_card *card) |
| 2022 | { |
| 2023 | int rc = 0; |
| 2024 | struct vlan_group *vg; |
| 2025 | int i; |
| 2026 | |
| 2027 | vg = card->vlangrp; |
| 2028 | if (!vg) |
| 2029 | return rc; |
| 2030 | |
| 2031 | for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) { |
| 2032 | if (vlan_group_get_device(vg, i) == dev) { |
| 2033 | rc = QETH_VLAN_CARD; |
| 2034 | break; |
| 2035 | } |
| 2036 | } |
| 2037 | |
| 2038 | if (rc && !(netdev_priv(vlan_dev_info(dev)->real_dev) == (void *)card)) |
| 2039 | return 0; |
| 2040 | |
| 2041 | return rc; |
| 2042 | } |
| 2043 | |
| 2044 | static int qeth_l3_verify_dev(struct net_device *dev) |
| 2045 | { |
| 2046 | struct qeth_card *card; |
| 2047 | unsigned long flags; |
| 2048 | int rc = 0; |
| 2049 | |
| 2050 | read_lock_irqsave(&qeth_core_card_list.rwlock, flags); |
| 2051 | list_for_each_entry(card, &qeth_core_card_list.list, list) { |
| 2052 | if (card->dev == dev) { |
| 2053 | rc = QETH_REAL_CARD; |
| 2054 | break; |
| 2055 | } |
| 2056 | rc = qeth_l3_verify_vlan_dev(dev, card); |
| 2057 | if (rc) |
| 2058 | break; |
| 2059 | } |
| 2060 | read_unlock_irqrestore(&qeth_core_card_list.rwlock, flags); |
| 2061 | |
| 2062 | return rc; |
| 2063 | } |
| 2064 | |
| 2065 | static struct qeth_card *qeth_l3_get_card_from_dev(struct net_device *dev) |
| 2066 | { |
| 2067 | struct qeth_card *card = NULL; |
| 2068 | int rc; |
| 2069 | |
| 2070 | rc = qeth_l3_verify_dev(dev); |
| 2071 | if (rc == QETH_REAL_CARD) |
| 2072 | card = netdev_priv(dev); |
| 2073 | else if (rc == QETH_VLAN_CARD) |
| 2074 | card = netdev_priv(vlan_dev_info(dev)->real_dev); |
| 2075 | if (card->options.layer2) |
| 2076 | card = NULL; |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2077 | QETH_DBF_TEXT_(TRACE, 4, "%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2078 | return card ; |
| 2079 | } |
| 2080 | |
| 2081 | static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode) |
| 2082 | { |
| 2083 | int rc = 0; |
| 2084 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2085 | QETH_DBF_TEXT(SETUP, 2, "stopcard"); |
| 2086 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2087 | |
| 2088 | qeth_set_allowed_threads(card, 0, 1); |
| 2089 | if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) |
| 2090 | return -ERESTARTSYS; |
| 2091 | if (card->read.state == CH_STATE_UP && |
| 2092 | card->write.state == CH_STATE_UP && |
| 2093 | (card->state == CARD_STATE_UP)) { |
| 2094 | if (recovery_mode) |
| 2095 | qeth_l3_stop(card->dev); |
| 2096 | if (!card->use_hard_stop) { |
| 2097 | rc = qeth_send_stoplan(card); |
| 2098 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2099 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2100 | } |
| 2101 | card->state = CARD_STATE_SOFTSETUP; |
| 2102 | } |
| 2103 | if (card->state == CARD_STATE_SOFTSETUP) { |
| 2104 | qeth_l3_clear_ip_list(card, !card->use_hard_stop, 1); |
| 2105 | qeth_clear_ipacmd_list(card); |
| 2106 | card->state = CARD_STATE_HARDSETUP; |
| 2107 | } |
| 2108 | if (card->state == CARD_STATE_HARDSETUP) { |
| 2109 | if (!card->use_hard_stop && |
| 2110 | (card->info.type != QETH_CARD_TYPE_IQD)) { |
| 2111 | rc = qeth_l3_put_unique_id(card); |
| 2112 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2113 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2114 | } |
| 2115 | qeth_qdio_clear_card(card, 0); |
| 2116 | qeth_clear_qdio_buffers(card); |
| 2117 | qeth_clear_working_pool_list(card); |
| 2118 | card->state = CARD_STATE_DOWN; |
| 2119 | } |
| 2120 | if (card->state == CARD_STATE_DOWN) { |
| 2121 | qeth_clear_cmd_buffers(&card->read); |
| 2122 | qeth_clear_cmd_buffers(&card->write); |
| 2123 | } |
| 2124 | card->use_hard_stop = 0; |
| 2125 | return rc; |
| 2126 | } |
| 2127 | |
| 2128 | static void qeth_l3_set_multicast_list(struct net_device *dev) |
| 2129 | { |
| 2130 | struct qeth_card *card = netdev_priv(dev); |
| 2131 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2132 | QETH_DBF_TEXT(TRACE, 3, "setmulti"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2133 | qeth_l3_delete_mc_addresses(card); |
| 2134 | qeth_l3_add_multicast_ipv4(card); |
| 2135 | #ifdef CONFIG_QETH_IPV6 |
| 2136 | qeth_l3_add_multicast_ipv6(card); |
| 2137 | #endif |
| 2138 | qeth_l3_set_ip_addr_list(card); |
| 2139 | if (!qeth_adp_supported(card, IPA_SETADP_SET_PROMISC_MODE)) |
| 2140 | return; |
| 2141 | qeth_setadp_promisc_mode(card); |
| 2142 | } |
| 2143 | |
| 2144 | static const char *qeth_l3_arp_get_error_cause(int *rc) |
| 2145 | { |
| 2146 | switch (*rc) { |
| 2147 | case QETH_IPA_ARP_RC_FAILED: |
| 2148 | *rc = -EIO; |
| 2149 | return "operation failed"; |
| 2150 | case QETH_IPA_ARP_RC_NOTSUPP: |
| 2151 | *rc = -EOPNOTSUPP; |
| 2152 | return "operation not supported"; |
| 2153 | case QETH_IPA_ARP_RC_OUT_OF_RANGE: |
| 2154 | *rc = -EINVAL; |
| 2155 | return "argument out of range"; |
| 2156 | case QETH_IPA_ARP_RC_Q_NOTSUPP: |
| 2157 | *rc = -EOPNOTSUPP; |
| 2158 | return "query operation not supported"; |
| 2159 | case QETH_IPA_ARP_RC_Q_NO_DATA: |
| 2160 | *rc = -ENOENT; |
| 2161 | return "no query data available"; |
| 2162 | default: |
| 2163 | return "unknown error"; |
| 2164 | } |
| 2165 | } |
| 2166 | |
| 2167 | static int qeth_l3_arp_set_no_entries(struct qeth_card *card, int no_entries) |
| 2168 | { |
| 2169 | int tmp; |
| 2170 | int rc; |
| 2171 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2172 | QETH_DBF_TEXT(TRACE, 3, "arpstnoe"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2173 | |
| 2174 | /* |
| 2175 | * currently GuestLAN only supports the ARP assist function |
| 2176 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_SET_NO_ENTRIES; |
| 2177 | * thus we say EOPNOTSUPP for this ARP function |
| 2178 | */ |
| 2179 | if (card->info.guestlan) |
| 2180 | return -EOPNOTSUPP; |
| 2181 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { |
| 2182 | PRINT_WARN("ARP processing not supported " |
| 2183 | "on %s!\n", QETH_CARD_IFNAME(card)); |
| 2184 | return -EOPNOTSUPP; |
| 2185 | } |
| 2186 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
| 2187 | IPA_CMD_ASS_ARP_SET_NO_ENTRIES, |
| 2188 | no_entries); |
| 2189 | if (rc) { |
| 2190 | tmp = rc; |
| 2191 | PRINT_WARN("Could not set number of ARP entries on %s: " |
| 2192 | "%s (0x%x/%d)\n", QETH_CARD_IFNAME(card), |
| 2193 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
| 2194 | } |
| 2195 | return rc; |
| 2196 | } |
| 2197 | |
| 2198 | static void qeth_l3_copy_arp_entries_stripped(struct qeth_arp_query_info *qinfo, |
| 2199 | struct qeth_arp_query_data *qdata, int entry_size, |
| 2200 | int uentry_size) |
| 2201 | { |
| 2202 | char *entry_ptr; |
| 2203 | char *uentry_ptr; |
| 2204 | int i; |
| 2205 | |
| 2206 | entry_ptr = (char *)&qdata->data; |
| 2207 | uentry_ptr = (char *)(qinfo->udata + qinfo->udata_offset); |
| 2208 | for (i = 0; i < qdata->no_entries; ++i) { |
| 2209 | /* strip off 32 bytes "media specific information" */ |
| 2210 | memcpy(uentry_ptr, (entry_ptr + 32), entry_size - 32); |
| 2211 | entry_ptr += entry_size; |
| 2212 | uentry_ptr += uentry_size; |
| 2213 | } |
| 2214 | } |
| 2215 | |
| 2216 | static int qeth_l3_arp_query_cb(struct qeth_card *card, |
| 2217 | struct qeth_reply *reply, unsigned long data) |
| 2218 | { |
| 2219 | struct qeth_ipa_cmd *cmd; |
| 2220 | struct qeth_arp_query_data *qdata; |
| 2221 | struct qeth_arp_query_info *qinfo; |
| 2222 | int entry_size; |
| 2223 | int uentry_size; |
| 2224 | int i; |
| 2225 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2226 | QETH_DBF_TEXT(TRACE, 4, "arpquecb"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2227 | |
| 2228 | qinfo = (struct qeth_arp_query_info *) reply->param; |
| 2229 | cmd = (struct qeth_ipa_cmd *) data; |
| 2230 | if (cmd->hdr.return_code) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2231 | QETH_DBF_TEXT_(TRACE, 4, "qaer1%i", cmd->hdr.return_code); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2232 | return 0; |
| 2233 | } |
| 2234 | if (cmd->data.setassparms.hdr.return_code) { |
| 2235 | cmd->hdr.return_code = cmd->data.setassparms.hdr.return_code; |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2236 | QETH_DBF_TEXT_(TRACE, 4, "qaer2%i", cmd->hdr.return_code); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2237 | return 0; |
| 2238 | } |
| 2239 | qdata = &cmd->data.setassparms.data.query_arp; |
| 2240 | switch (qdata->reply_bits) { |
| 2241 | case 5: |
| 2242 | uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry5); |
| 2243 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) |
| 2244 | uentry_size = sizeof(struct qeth_arp_qi_entry5_short); |
| 2245 | break; |
| 2246 | case 7: |
| 2247 | /* fall through to default */ |
| 2248 | default: |
| 2249 | /* tr is the same as eth -> entry7 */ |
| 2250 | uentry_size = entry_size = sizeof(struct qeth_arp_qi_entry7); |
| 2251 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) |
| 2252 | uentry_size = sizeof(struct qeth_arp_qi_entry7_short); |
| 2253 | break; |
| 2254 | } |
| 2255 | /* check if there is enough room in userspace */ |
| 2256 | if ((qinfo->udata_len - qinfo->udata_offset) < |
| 2257 | qdata->no_entries * uentry_size){ |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2258 | QETH_DBF_TEXT_(TRACE, 4, "qaer3%i", -ENOMEM); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2259 | cmd->hdr.return_code = -ENOMEM; |
| 2260 | PRINT_WARN("query ARP user space buffer is too small for " |
| 2261 | "the returned number of ARP entries. " |
| 2262 | "Aborting query!\n"); |
| 2263 | goto out_error; |
| 2264 | } |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2265 | QETH_DBF_TEXT_(TRACE, 4, "anore%i", |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2266 | cmd->data.setassparms.hdr.number_of_replies); |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2267 | QETH_DBF_TEXT_(TRACE, 4, "aseqn%i", cmd->data.setassparms.hdr.seq_no); |
| 2268 | QETH_DBF_TEXT_(TRACE, 4, "anoen%i", qdata->no_entries); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2269 | |
| 2270 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) { |
| 2271 | /* strip off "media specific information" */ |
| 2272 | qeth_l3_copy_arp_entries_stripped(qinfo, qdata, entry_size, |
| 2273 | uentry_size); |
| 2274 | } else |
| 2275 | /*copy entries to user buffer*/ |
| 2276 | memcpy(qinfo->udata + qinfo->udata_offset, |
| 2277 | (char *)&qdata->data, qdata->no_entries*uentry_size); |
| 2278 | |
| 2279 | qinfo->no_entries += qdata->no_entries; |
| 2280 | qinfo->udata_offset += (qdata->no_entries*uentry_size); |
| 2281 | /* check if all replies received ... */ |
| 2282 | if (cmd->data.setassparms.hdr.seq_no < |
| 2283 | cmd->data.setassparms.hdr.number_of_replies) |
| 2284 | return 1; |
| 2285 | memcpy(qinfo->udata, &qinfo->no_entries, 4); |
| 2286 | /* keep STRIP_ENTRIES flag so the user program can distinguish |
| 2287 | * stripped entries from normal ones */ |
| 2288 | if (qinfo->mask_bits & QETH_QARP_STRIP_ENTRIES) |
| 2289 | qdata->reply_bits |= QETH_QARP_STRIP_ENTRIES; |
| 2290 | memcpy(qinfo->udata + QETH_QARP_MASK_OFFSET, &qdata->reply_bits, 2); |
| 2291 | return 0; |
| 2292 | out_error: |
| 2293 | i = 0; |
| 2294 | memcpy(qinfo->udata, &i, 4); |
| 2295 | return 0; |
| 2296 | } |
| 2297 | |
| 2298 | static int qeth_l3_send_ipa_arp_cmd(struct qeth_card *card, |
| 2299 | struct qeth_cmd_buffer *iob, int len, |
| 2300 | int (*reply_cb)(struct qeth_card *, struct qeth_reply *, |
| 2301 | unsigned long), |
| 2302 | void *reply_param) |
| 2303 | { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2304 | QETH_DBF_TEXT(TRACE, 4, "sendarp"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2305 | |
| 2306 | memcpy(iob->data, IPA_PDU_HEADER, IPA_PDU_HEADER_SIZE); |
| 2307 | memcpy(QETH_IPA_CMD_DEST_ADDR(iob->data), |
| 2308 | &card->token.ulp_connection_r, QETH_MPC_TOKEN_LENGTH); |
| 2309 | return qeth_send_control_data(card, IPA_PDU_HEADER_SIZE + len, iob, |
| 2310 | reply_cb, reply_param); |
| 2311 | } |
| 2312 | |
| 2313 | static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata) |
| 2314 | { |
| 2315 | struct qeth_cmd_buffer *iob; |
| 2316 | struct qeth_arp_query_info qinfo = {0, }; |
| 2317 | int tmp; |
| 2318 | int rc; |
| 2319 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2320 | QETH_DBF_TEXT(TRACE, 3, "arpquery"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2321 | |
| 2322 | if (!qeth_is_supported(card,/*IPA_QUERY_ARP_ADDR_INFO*/ |
| 2323 | IPA_ARP_PROCESSING)) { |
| 2324 | PRINT_WARN("ARP processing not supported " |
| 2325 | "on %s!\n", QETH_CARD_IFNAME(card)); |
| 2326 | return -EOPNOTSUPP; |
| 2327 | } |
| 2328 | /* get size of userspace buffer and mask_bits -> 6 bytes */ |
| 2329 | if (copy_from_user(&qinfo, udata, 6)) |
| 2330 | return -EFAULT; |
| 2331 | qinfo.udata = kzalloc(qinfo.udata_len, GFP_KERNEL); |
| 2332 | if (!qinfo.udata) |
| 2333 | return -ENOMEM; |
| 2334 | qinfo.udata_offset = QETH_QARP_ENTRIES_OFFSET; |
| 2335 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
| 2336 | IPA_CMD_ASS_ARP_QUERY_INFO, |
| 2337 | sizeof(int), QETH_PROT_IPV4); |
| 2338 | |
| 2339 | rc = qeth_l3_send_ipa_arp_cmd(card, iob, |
| 2340 | QETH_SETASS_BASE_LEN+QETH_ARP_CMD_LEN, |
| 2341 | qeth_l3_arp_query_cb, (void *)&qinfo); |
| 2342 | if (rc) { |
| 2343 | tmp = rc; |
| 2344 | PRINT_WARN("Error while querying ARP cache on %s: %s " |
| 2345 | "(0x%x/%d)\n", QETH_CARD_IFNAME(card), |
| 2346 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
| 2347 | if (copy_to_user(udata, qinfo.udata, 4)) |
| 2348 | rc = -EFAULT; |
| 2349 | } else { |
| 2350 | if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) |
| 2351 | rc = -EFAULT; |
| 2352 | } |
| 2353 | kfree(qinfo.udata); |
| 2354 | return rc; |
| 2355 | } |
| 2356 | |
| 2357 | static int qeth_l3_arp_add_entry(struct qeth_card *card, |
| 2358 | struct qeth_arp_cache_entry *entry) |
| 2359 | { |
| 2360 | struct qeth_cmd_buffer *iob; |
| 2361 | char buf[16]; |
| 2362 | int tmp; |
| 2363 | int rc; |
| 2364 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2365 | QETH_DBF_TEXT(TRACE, 3, "arpadent"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2366 | |
| 2367 | /* |
| 2368 | * currently GuestLAN only supports the ARP assist function |
| 2369 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_ADD_ENTRY; |
| 2370 | * thus we say EOPNOTSUPP for this ARP function |
| 2371 | */ |
| 2372 | if (card->info.guestlan) |
| 2373 | return -EOPNOTSUPP; |
| 2374 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { |
| 2375 | PRINT_WARN("ARP processing not supported " |
| 2376 | "on %s!\n", QETH_CARD_IFNAME(card)); |
| 2377 | return -EOPNOTSUPP; |
| 2378 | } |
| 2379 | |
| 2380 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
| 2381 | IPA_CMD_ASS_ARP_ADD_ENTRY, |
| 2382 | sizeof(struct qeth_arp_cache_entry), |
| 2383 | QETH_PROT_IPV4); |
| 2384 | rc = qeth_l3_send_setassparms(card, iob, |
| 2385 | sizeof(struct qeth_arp_cache_entry), |
| 2386 | (unsigned long) entry, |
| 2387 | qeth_l3_default_setassparms_cb, NULL); |
| 2388 | if (rc) { |
| 2389 | tmp = rc; |
| 2390 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); |
| 2391 | PRINT_WARN("Could not add ARP entry for address %s on %s: " |
| 2392 | "%s (0x%x/%d)\n", |
| 2393 | buf, QETH_CARD_IFNAME(card), |
| 2394 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
| 2395 | } |
| 2396 | return rc; |
| 2397 | } |
| 2398 | |
| 2399 | static int qeth_l3_arp_remove_entry(struct qeth_card *card, |
| 2400 | struct qeth_arp_cache_entry *entry) |
| 2401 | { |
| 2402 | struct qeth_cmd_buffer *iob; |
| 2403 | char buf[16] = {0, }; |
| 2404 | int tmp; |
| 2405 | int rc; |
| 2406 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2407 | QETH_DBF_TEXT(TRACE, 3, "arprment"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2408 | |
| 2409 | /* |
| 2410 | * currently GuestLAN only supports the ARP assist function |
| 2411 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_REMOVE_ENTRY; |
| 2412 | * thus we say EOPNOTSUPP for this ARP function |
| 2413 | */ |
| 2414 | if (card->info.guestlan) |
| 2415 | return -EOPNOTSUPP; |
| 2416 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { |
| 2417 | PRINT_WARN("ARP processing not supported " |
| 2418 | "on %s!\n", QETH_CARD_IFNAME(card)); |
| 2419 | return -EOPNOTSUPP; |
| 2420 | } |
| 2421 | memcpy(buf, entry, 12); |
| 2422 | iob = qeth_l3_get_setassparms_cmd(card, IPA_ARP_PROCESSING, |
| 2423 | IPA_CMD_ASS_ARP_REMOVE_ENTRY, |
| 2424 | 12, |
| 2425 | QETH_PROT_IPV4); |
| 2426 | rc = qeth_l3_send_setassparms(card, iob, |
| 2427 | 12, (unsigned long)buf, |
| 2428 | qeth_l3_default_setassparms_cb, NULL); |
| 2429 | if (rc) { |
| 2430 | tmp = rc; |
| 2431 | memset(buf, 0, 16); |
| 2432 | qeth_l3_ipaddr4_to_string((u8 *)entry->ipaddr, buf); |
| 2433 | PRINT_WARN("Could not delete ARP entry for address %s on %s: " |
| 2434 | "%s (0x%x/%d)\n", |
| 2435 | buf, QETH_CARD_IFNAME(card), |
| 2436 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
| 2437 | } |
| 2438 | return rc; |
| 2439 | } |
| 2440 | |
| 2441 | static int qeth_l3_arp_flush_cache(struct qeth_card *card) |
| 2442 | { |
| 2443 | int rc; |
| 2444 | int tmp; |
| 2445 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2446 | QETH_DBF_TEXT(TRACE, 3, "arpflush"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2447 | |
| 2448 | /* |
| 2449 | * currently GuestLAN only supports the ARP assist function |
| 2450 | * IPA_CMD_ASS_ARP_QUERY_INFO, but not IPA_CMD_ASS_ARP_FLUSH_CACHE; |
| 2451 | * thus we say EOPNOTSUPP for this ARP function |
| 2452 | */ |
| 2453 | if (card->info.guestlan || (card->info.type == QETH_CARD_TYPE_IQD)) |
| 2454 | return -EOPNOTSUPP; |
| 2455 | if (!qeth_is_supported(card, IPA_ARP_PROCESSING)) { |
| 2456 | PRINT_WARN("ARP processing not supported " |
| 2457 | "on %s!\n", QETH_CARD_IFNAME(card)); |
| 2458 | return -EOPNOTSUPP; |
| 2459 | } |
| 2460 | rc = qeth_l3_send_simple_setassparms(card, IPA_ARP_PROCESSING, |
| 2461 | IPA_CMD_ASS_ARP_FLUSH_CACHE, 0); |
| 2462 | if (rc) { |
| 2463 | tmp = rc; |
| 2464 | PRINT_WARN("Could not flush ARP cache on %s: %s (0x%x/%d)\n", |
| 2465 | QETH_CARD_IFNAME(card), |
| 2466 | qeth_l3_arp_get_error_cause(&rc), tmp, tmp); |
| 2467 | } |
| 2468 | return rc; |
| 2469 | } |
| 2470 | |
| 2471 | static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
| 2472 | { |
| 2473 | struct qeth_card *card = netdev_priv(dev); |
| 2474 | struct qeth_arp_cache_entry arp_entry; |
| 2475 | struct mii_ioctl_data *mii_data; |
| 2476 | int rc = 0; |
| 2477 | |
| 2478 | if (!card) |
| 2479 | return -ENODEV; |
| 2480 | |
| 2481 | if ((card->state != CARD_STATE_UP) && |
| 2482 | (card->state != CARD_STATE_SOFTSETUP)) |
| 2483 | return -ENODEV; |
| 2484 | |
| 2485 | switch (cmd) { |
| 2486 | case SIOC_QETH_ARP_SET_NO_ENTRIES: |
| 2487 | if (!capable(CAP_NET_ADMIN)) { |
| 2488 | rc = -EPERM; |
| 2489 | break; |
| 2490 | } |
| 2491 | rc = qeth_l3_arp_set_no_entries(card, rq->ifr_ifru.ifru_ivalue); |
| 2492 | break; |
| 2493 | case SIOC_QETH_ARP_QUERY_INFO: |
| 2494 | if (!capable(CAP_NET_ADMIN)) { |
| 2495 | rc = -EPERM; |
| 2496 | break; |
| 2497 | } |
| 2498 | rc = qeth_l3_arp_query(card, rq->ifr_ifru.ifru_data); |
| 2499 | break; |
| 2500 | case SIOC_QETH_ARP_ADD_ENTRY: |
| 2501 | if (!capable(CAP_NET_ADMIN)) { |
| 2502 | rc = -EPERM; |
| 2503 | break; |
| 2504 | } |
| 2505 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, |
| 2506 | sizeof(struct qeth_arp_cache_entry))) |
| 2507 | rc = -EFAULT; |
| 2508 | else |
| 2509 | rc = qeth_l3_arp_add_entry(card, &arp_entry); |
| 2510 | break; |
| 2511 | case SIOC_QETH_ARP_REMOVE_ENTRY: |
| 2512 | if (!capable(CAP_NET_ADMIN)) { |
| 2513 | rc = -EPERM; |
| 2514 | break; |
| 2515 | } |
| 2516 | if (copy_from_user(&arp_entry, rq->ifr_ifru.ifru_data, |
| 2517 | sizeof(struct qeth_arp_cache_entry))) |
| 2518 | rc = -EFAULT; |
| 2519 | else |
| 2520 | rc = qeth_l3_arp_remove_entry(card, &arp_entry); |
| 2521 | break; |
| 2522 | case SIOC_QETH_ARP_FLUSH_CACHE: |
| 2523 | if (!capable(CAP_NET_ADMIN)) { |
| 2524 | rc = -EPERM; |
| 2525 | break; |
| 2526 | } |
| 2527 | rc = qeth_l3_arp_flush_cache(card); |
| 2528 | break; |
| 2529 | case SIOC_QETH_ADP_SET_SNMP_CONTROL: |
| 2530 | rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data); |
| 2531 | break; |
| 2532 | case SIOC_QETH_GET_CARD_TYPE: |
| 2533 | if ((card->info.type == QETH_CARD_TYPE_OSAE) && |
| 2534 | !card->info.guestlan) |
| 2535 | return 1; |
| 2536 | return 0; |
| 2537 | break; |
| 2538 | case SIOCGMIIPHY: |
| 2539 | mii_data = if_mii(rq); |
| 2540 | mii_data->phy_id = 0; |
| 2541 | break; |
| 2542 | case SIOCGMIIREG: |
| 2543 | mii_data = if_mii(rq); |
| 2544 | if (mii_data->phy_id != 0) |
| 2545 | rc = -EINVAL; |
| 2546 | else |
| 2547 | mii_data->val_out = qeth_mdio_read(dev, |
| 2548 | mii_data->phy_id, |
| 2549 | mii_data->reg_num); |
| 2550 | break; |
| 2551 | default: |
| 2552 | rc = -EOPNOTSUPP; |
| 2553 | } |
| 2554 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2555 | QETH_DBF_TEXT_(TRACE, 2, "ioce%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2556 | return rc; |
| 2557 | } |
| 2558 | |
| 2559 | static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, |
| 2560 | struct sk_buff *skb, int ipv, int cast_type) |
| 2561 | { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2562 | QETH_DBF_TEXT(TRACE, 6, "fillhdr"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2563 | |
| 2564 | memset(hdr, 0, sizeof(struct qeth_hdr)); |
| 2565 | hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; |
| 2566 | hdr->hdr.l3.ext_flags = 0; |
| 2567 | |
| 2568 | /* |
| 2569 | * before we're going to overwrite this location with next hop ip. |
| 2570 | * v6 uses passthrough, v4 sets the tag in the QDIO header. |
| 2571 | */ |
| 2572 | if (card->vlangrp && vlan_tx_tag_present(skb)) { |
| 2573 | hdr->hdr.l3.ext_flags = (ipv == 4) ? |
| 2574 | QETH_HDR_EXT_VLAN_FRAME : |
| 2575 | QETH_HDR_EXT_INCLUDE_VLAN_TAG; |
| 2576 | hdr->hdr.l3.vlan_id = vlan_tx_tag_get(skb); |
| 2577 | } |
| 2578 | |
| 2579 | hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr); |
| 2580 | if (ipv == 4) { |
| 2581 | /* IPv4 */ |
| 2582 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type); |
| 2583 | memset(hdr->hdr.l3.dest_addr, 0, 12); |
| 2584 | if ((skb->dst) && (skb->dst->neighbour)) { |
| 2585 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = |
| 2586 | *((u32 *) skb->dst->neighbour->primary_key); |
| 2587 | } else { |
| 2588 | /* fill in destination address used in ip header */ |
| 2589 | *((u32 *) (&hdr->hdr.l3.dest_addr[12])) = |
| 2590 | ip_hdr(skb)->daddr; |
| 2591 | } |
| 2592 | } else if (ipv == 6) { |
| 2593 | /* IPv6 */ |
| 2594 | hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type); |
| 2595 | if (card->info.type == QETH_CARD_TYPE_IQD) |
| 2596 | hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU; |
| 2597 | if ((skb->dst) && (skb->dst->neighbour)) { |
| 2598 | memcpy(hdr->hdr.l3.dest_addr, |
| 2599 | skb->dst->neighbour->primary_key, 16); |
| 2600 | } else { |
| 2601 | /* fill in destination address used in ip header */ |
| 2602 | memcpy(hdr->hdr.l3.dest_addr, |
| 2603 | &ipv6_hdr(skb)->daddr, 16); |
| 2604 | } |
| 2605 | } else { |
| 2606 | /* passthrough */ |
| 2607 | if ((skb->dev->type == ARPHRD_IEEE802_TR) && |
| 2608 | !memcmp(skb->data + sizeof(struct qeth_hdr) + |
| 2609 | sizeof(__u16), skb->dev->broadcast, 6)) { |
| 2610 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | |
| 2611 | QETH_HDR_PASSTHRU; |
| 2612 | } else if (!memcmp(skb->data + sizeof(struct qeth_hdr), |
| 2613 | skb->dev->broadcast, 6)) { |
| 2614 | /* broadcast? */ |
| 2615 | hdr->hdr.l3.flags = QETH_CAST_BROADCAST | |
| 2616 | QETH_HDR_PASSTHRU; |
| 2617 | } else { |
| 2618 | hdr->hdr.l3.flags = (cast_type == RTN_MULTICAST) ? |
| 2619 | QETH_CAST_MULTICAST | QETH_HDR_PASSTHRU : |
| 2620 | QETH_CAST_UNICAST | QETH_HDR_PASSTHRU; |
| 2621 | } |
| 2622 | } |
| 2623 | } |
| 2624 | |
| 2625 | static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 2626 | { |
| 2627 | int rc; |
| 2628 | u16 *tag; |
| 2629 | struct qeth_hdr *hdr = NULL; |
| 2630 | int elements_needed = 0; |
| 2631 | struct qeth_card *card = netdev_priv(dev); |
| 2632 | struct sk_buff *new_skb = NULL; |
| 2633 | int ipv = qeth_get_ip_version(skb); |
| 2634 | int cast_type = qeth_get_cast_type(card, skb); |
| 2635 | struct qeth_qdio_out_q *queue = card->qdio.out_qs |
| 2636 | [qeth_get_priority_queue(card, skb, ipv, cast_type)]; |
| 2637 | int tx_bytes = skb->len; |
| 2638 | enum qeth_large_send_types large_send = QETH_LARGE_SEND_NO; |
| 2639 | struct qeth_eddp_context *ctx = NULL; |
| 2640 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2641 | QETH_DBF_TEXT(TRACE, 6, "l3xmit"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2642 | |
| 2643 | if ((card->info.type == QETH_CARD_TYPE_IQD) && |
| 2644 | (skb->protocol != htons(ETH_P_IPV6)) && |
| 2645 | (skb->protocol != htons(ETH_P_IP))) |
| 2646 | goto tx_drop; |
| 2647 | |
| 2648 | if ((card->state != CARD_STATE_UP) || !card->lan_online) { |
| 2649 | card->stats.tx_carrier_errors++; |
| 2650 | goto tx_drop; |
| 2651 | } |
| 2652 | |
| 2653 | if ((cast_type == RTN_BROADCAST) && |
| 2654 | (card->info.broadcast_capable == 0)) |
| 2655 | goto tx_drop; |
| 2656 | |
| 2657 | if (card->options.performance_stats) { |
| 2658 | card->perf_stats.outbound_cnt++; |
| 2659 | card->perf_stats.outbound_start_time = qeth_get_micros(); |
| 2660 | } |
| 2661 | |
| 2662 | /* create a clone with writeable headroom */ |
| 2663 | new_skb = skb_realloc_headroom(skb, sizeof(struct qeth_hdr_tso) + |
| 2664 | VLAN_HLEN); |
| 2665 | if (!new_skb) |
| 2666 | goto tx_drop; |
| 2667 | |
| 2668 | if (card->info.type == QETH_CARD_TYPE_IQD) { |
| 2669 | skb_pull(new_skb, ETH_HLEN); |
| 2670 | } else { |
| 2671 | if (new_skb->protocol == htons(ETH_P_IP)) { |
| 2672 | if (card->dev->type == ARPHRD_IEEE802_TR) |
| 2673 | skb_pull(new_skb, TR_HLEN); |
| 2674 | else |
| 2675 | skb_pull(new_skb, ETH_HLEN); |
| 2676 | } |
| 2677 | |
| 2678 | if (new_skb->protocol == ETH_P_IPV6 && card->vlangrp && |
| 2679 | vlan_tx_tag_present(new_skb)) { |
| 2680 | skb_push(new_skb, VLAN_HLEN); |
| 2681 | skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4); |
| 2682 | skb_copy_to_linear_data_offset(new_skb, 4, |
| 2683 | new_skb->data + 8, 4); |
| 2684 | skb_copy_to_linear_data_offset(new_skb, 8, |
| 2685 | new_skb->data + 12, 4); |
| 2686 | tag = (u16 *)(new_skb->data + 12); |
| 2687 | *tag = __constant_htons(ETH_P_8021Q); |
| 2688 | *(tag + 1) = htons(vlan_tx_tag_get(new_skb)); |
| 2689 | VLAN_TX_SKB_CB(new_skb)->magic = 0; |
| 2690 | } |
| 2691 | } |
| 2692 | |
| 2693 | netif_stop_queue(dev); |
| 2694 | |
| 2695 | if (skb_is_gso(new_skb)) |
| 2696 | large_send = card->options.large_send; |
| 2697 | |
| 2698 | /* fix hardware limitation: as long as we do not have sbal |
| 2699 | * chaining we can not send long frag lists so we temporary |
| 2700 | * switch to EDDP |
| 2701 | */ |
| 2702 | if ((large_send == QETH_LARGE_SEND_TSO) && |
| 2703 | ((skb_shinfo(new_skb)->nr_frags + 2) > 16)) |
| 2704 | large_send = QETH_LARGE_SEND_EDDP; |
| 2705 | |
| 2706 | if ((large_send == QETH_LARGE_SEND_TSO) && |
| 2707 | (cast_type == RTN_UNSPEC)) { |
| 2708 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
| 2709 | sizeof(struct qeth_hdr_tso)); |
| 2710 | memset(hdr, 0, sizeof(struct qeth_hdr_tso)); |
| 2711 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); |
| 2712 | qeth_tso_fill_header(card, hdr, new_skb); |
| 2713 | elements_needed++; |
| 2714 | } else { |
| 2715 | hdr = (struct qeth_hdr *)skb_push(new_skb, |
| 2716 | sizeof(struct qeth_hdr)); |
| 2717 | qeth_l3_fill_header(card, hdr, new_skb, ipv, cast_type); |
| 2718 | } |
| 2719 | |
| 2720 | if (large_send == QETH_LARGE_SEND_EDDP) { |
| 2721 | /* new_skb is not owned by a socket so we use skb to get |
| 2722 | * the protocol |
| 2723 | */ |
| 2724 | ctx = qeth_eddp_create_context(card, new_skb, hdr, |
| 2725 | skb->sk->sk_protocol); |
| 2726 | if (ctx == NULL) { |
| 2727 | PRINT_WARN("could not create eddp context\n"); |
| 2728 | goto tx_drop; |
| 2729 | } |
| 2730 | } else { |
| 2731 | int elems = qeth_get_elements_no(card, (void *)hdr, new_skb, |
| 2732 | elements_needed); |
| 2733 | if (!elems) |
| 2734 | goto tx_drop; |
| 2735 | elements_needed += elems; |
| 2736 | } |
| 2737 | |
| 2738 | if ((large_send == QETH_LARGE_SEND_NO) && |
| 2739 | (new_skb->ip_summed == CHECKSUM_PARTIAL)) |
| 2740 | qeth_tx_csum(new_skb); |
| 2741 | |
| 2742 | if (card->info.type != QETH_CARD_TYPE_IQD) |
| 2743 | rc = qeth_do_send_packet(card, queue, new_skb, hdr, |
| 2744 | elements_needed, ctx); |
| 2745 | else |
| 2746 | rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr, |
| 2747 | elements_needed, ctx); |
| 2748 | |
| 2749 | if (!rc) { |
| 2750 | card->stats.tx_packets++; |
| 2751 | card->stats.tx_bytes += tx_bytes; |
| 2752 | if (new_skb != skb) |
| 2753 | dev_kfree_skb_any(skb); |
| 2754 | if (card->options.performance_stats) { |
| 2755 | if (large_send != QETH_LARGE_SEND_NO) { |
| 2756 | card->perf_stats.large_send_bytes += tx_bytes; |
| 2757 | card->perf_stats.large_send_cnt++; |
| 2758 | } |
| 2759 | if (skb_shinfo(new_skb)->nr_frags > 0) { |
| 2760 | card->perf_stats.sg_skbs_sent++; |
| 2761 | /* nr_frags + skb->data */ |
| 2762 | card->perf_stats.sg_frags_sent += |
| 2763 | skb_shinfo(new_skb)->nr_frags + 1; |
| 2764 | } |
| 2765 | } |
| 2766 | |
| 2767 | if (ctx != NULL) { |
| 2768 | qeth_eddp_put_context(ctx); |
| 2769 | dev_kfree_skb_any(new_skb); |
| 2770 | } |
| 2771 | } else { |
| 2772 | if (ctx != NULL) |
| 2773 | qeth_eddp_put_context(ctx); |
| 2774 | |
| 2775 | if (rc == -EBUSY) { |
| 2776 | if (new_skb != skb) |
| 2777 | dev_kfree_skb_any(new_skb); |
| 2778 | return NETDEV_TX_BUSY; |
| 2779 | } else |
| 2780 | goto tx_drop; |
| 2781 | } |
| 2782 | |
| 2783 | netif_wake_queue(dev); |
| 2784 | if (card->options.performance_stats) |
| 2785 | card->perf_stats.outbound_time += qeth_get_micros() - |
| 2786 | card->perf_stats.outbound_start_time; |
| 2787 | return rc; |
| 2788 | |
| 2789 | tx_drop: |
| 2790 | card->stats.tx_dropped++; |
| 2791 | card->stats.tx_errors++; |
| 2792 | if ((new_skb != skb) && new_skb) |
| 2793 | dev_kfree_skb_any(new_skb); |
| 2794 | dev_kfree_skb_any(skb); |
| 2795 | return NETDEV_TX_OK; |
| 2796 | } |
| 2797 | |
| 2798 | static int qeth_l3_open(struct net_device *dev) |
| 2799 | { |
| 2800 | struct qeth_card *card = netdev_priv(dev); |
| 2801 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2802 | QETH_DBF_TEXT(TRACE, 4, "qethopen"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2803 | if (card->state != CARD_STATE_SOFTSETUP) |
| 2804 | return -ENODEV; |
| 2805 | card->data.state = CH_STATE_UP; |
| 2806 | card->state = CARD_STATE_UP; |
| 2807 | card->dev->flags |= IFF_UP; |
| 2808 | netif_start_queue(dev); |
| 2809 | |
| 2810 | if (!card->lan_online && netif_carrier_ok(dev)) |
| 2811 | netif_carrier_off(dev); |
| 2812 | return 0; |
| 2813 | } |
| 2814 | |
| 2815 | static int qeth_l3_stop(struct net_device *dev) |
| 2816 | { |
| 2817 | struct qeth_card *card = netdev_priv(dev); |
| 2818 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2819 | QETH_DBF_TEXT(TRACE, 4, "qethstop"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2820 | netif_tx_disable(dev); |
| 2821 | card->dev->flags &= ~IFF_UP; |
| 2822 | if (card->state == CARD_STATE_UP) |
| 2823 | card->state = CARD_STATE_SOFTSETUP; |
| 2824 | return 0; |
| 2825 | } |
| 2826 | |
| 2827 | static u32 qeth_l3_ethtool_get_rx_csum(struct net_device *dev) |
| 2828 | { |
| 2829 | struct qeth_card *card = netdev_priv(dev); |
| 2830 | |
| 2831 | return (card->options.checksum_type == HW_CHECKSUMMING); |
| 2832 | } |
| 2833 | |
| 2834 | static int qeth_l3_ethtool_set_rx_csum(struct net_device *dev, u32 data) |
| 2835 | { |
| 2836 | struct qeth_card *card = netdev_priv(dev); |
| 2837 | enum qeth_card_states old_state; |
| 2838 | enum qeth_checksum_types csum_type; |
| 2839 | |
| 2840 | if ((card->state != CARD_STATE_UP) && |
| 2841 | (card->state != CARD_STATE_DOWN)) |
| 2842 | return -EPERM; |
| 2843 | |
| 2844 | if (data) |
| 2845 | csum_type = HW_CHECKSUMMING; |
| 2846 | else |
| 2847 | csum_type = SW_CHECKSUMMING; |
| 2848 | |
| 2849 | if (card->options.checksum_type != csum_type) { |
| 2850 | old_state = card->state; |
| 2851 | if (card->state == CARD_STATE_UP) |
| 2852 | __qeth_l3_set_offline(card->gdev, 1); |
| 2853 | card->options.checksum_type = csum_type; |
| 2854 | if (old_state == CARD_STATE_UP) |
| 2855 | __qeth_l3_set_online(card->gdev, 1); |
| 2856 | } |
| 2857 | return 0; |
| 2858 | } |
| 2859 | |
| 2860 | static int qeth_l3_ethtool_set_tso(struct net_device *dev, u32 data) |
| 2861 | { |
| 2862 | struct qeth_card *card = netdev_priv(dev); |
| 2863 | |
| 2864 | if (data) { |
| 2865 | if (card->options.large_send == QETH_LARGE_SEND_NO) { |
| 2866 | if (card->info.type == QETH_CARD_TYPE_IQD) |
| 2867 | card->options.large_send = QETH_LARGE_SEND_EDDP; |
| 2868 | else |
| 2869 | card->options.large_send = QETH_LARGE_SEND_TSO; |
| 2870 | dev->features |= NETIF_F_TSO; |
| 2871 | } |
| 2872 | } else { |
| 2873 | dev->features &= ~NETIF_F_TSO; |
| 2874 | card->options.large_send = QETH_LARGE_SEND_NO; |
| 2875 | } |
| 2876 | return 0; |
| 2877 | } |
| 2878 | |
| 2879 | static struct ethtool_ops qeth_l3_ethtool_ops = { |
| 2880 | .get_link = ethtool_op_get_link, |
| 2881 | .get_tx_csum = ethtool_op_get_tx_csum, |
| 2882 | .set_tx_csum = ethtool_op_set_tx_hw_csum, |
| 2883 | .get_rx_csum = qeth_l3_ethtool_get_rx_csum, |
| 2884 | .set_rx_csum = qeth_l3_ethtool_set_rx_csum, |
| 2885 | .get_sg = ethtool_op_get_sg, |
| 2886 | .set_sg = ethtool_op_set_sg, |
| 2887 | .get_tso = ethtool_op_get_tso, |
| 2888 | .set_tso = qeth_l3_ethtool_set_tso, |
| 2889 | .get_strings = qeth_core_get_strings, |
| 2890 | .get_ethtool_stats = qeth_core_get_ethtool_stats, |
| 2891 | .get_stats_count = qeth_core_get_stats_count, |
| 2892 | .get_drvinfo = qeth_core_get_drvinfo, |
| 2893 | }; |
| 2894 | |
| 2895 | /* |
| 2896 | * we need NOARP for IPv4 but we want neighbor solicitation for IPv6. Setting |
| 2897 | * NOARP on the netdevice is no option because it also turns off neighbor |
| 2898 | * solicitation. For IPv4 we install a neighbor_setup function. We don't want |
| 2899 | * arp resolution but we want the hard header (packet socket will work |
| 2900 | * e.g. tcpdump) |
| 2901 | */ |
| 2902 | static int qeth_l3_neigh_setup_noarp(struct neighbour *n) |
| 2903 | { |
| 2904 | n->nud_state = NUD_NOARP; |
| 2905 | memcpy(n->ha, "FAKELL", 6); |
| 2906 | n->output = n->ops->connected_output; |
| 2907 | return 0; |
| 2908 | } |
| 2909 | |
| 2910 | static int |
| 2911 | qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) |
| 2912 | { |
| 2913 | if (np->tbl->family == AF_INET) |
| 2914 | np->neigh_setup = qeth_l3_neigh_setup_noarp; |
| 2915 | |
| 2916 | return 0; |
| 2917 | } |
| 2918 | |
| 2919 | static int qeth_l3_setup_netdev(struct qeth_card *card) |
| 2920 | { |
| 2921 | if (card->info.type == QETH_CARD_TYPE_OSAE) { |
| 2922 | if ((card->info.link_type == QETH_LINK_TYPE_LANE_TR) || |
| 2923 | (card->info.link_type == QETH_LINK_TYPE_HSTR)) { |
| 2924 | #ifdef CONFIG_TR |
| 2925 | card->dev = alloc_trdev(0); |
| 2926 | #endif |
| 2927 | if (!card->dev) |
| 2928 | return -ENODEV; |
| 2929 | } else { |
| 2930 | card->dev = alloc_etherdev(0); |
| 2931 | if (!card->dev) |
| 2932 | return -ENODEV; |
| 2933 | card->dev->neigh_setup = qeth_l3_neigh_setup; |
| 2934 | |
| 2935 | /*IPv6 address autoconfiguration stuff*/ |
| 2936 | qeth_l3_get_unique_id(card); |
| 2937 | if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD)) |
| 2938 | card->dev->dev_id = card->info.unique_id & |
| 2939 | 0xffff; |
| 2940 | } |
| 2941 | } else if (card->info.type == QETH_CARD_TYPE_IQD) { |
| 2942 | card->dev = alloc_netdev(0, "hsi%d", ether_setup); |
| 2943 | if (!card->dev) |
| 2944 | return -ENODEV; |
| 2945 | card->dev->flags |= IFF_NOARP; |
| 2946 | qeth_l3_iqd_read_initial_mac(card); |
| 2947 | } else |
| 2948 | return -ENODEV; |
| 2949 | |
| 2950 | card->dev->hard_start_xmit = qeth_l3_hard_start_xmit; |
| 2951 | card->dev->priv = card; |
| 2952 | card->dev->tx_timeout = &qeth_tx_timeout; |
| 2953 | card->dev->watchdog_timeo = QETH_TX_TIMEOUT; |
| 2954 | card->dev->open = qeth_l3_open; |
| 2955 | card->dev->stop = qeth_l3_stop; |
| 2956 | card->dev->do_ioctl = qeth_l3_do_ioctl; |
| 2957 | card->dev->get_stats = qeth_get_stats; |
| 2958 | card->dev->change_mtu = qeth_change_mtu; |
| 2959 | card->dev->set_multicast_list = qeth_l3_set_multicast_list; |
| 2960 | card->dev->vlan_rx_register = qeth_l3_vlan_rx_register; |
| 2961 | card->dev->vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid; |
| 2962 | card->dev->vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid; |
| 2963 | card->dev->mtu = card->info.initial_mtu; |
Frank Blaschka | b7624ec | 2008-04-01 10:26:57 +0200 | [diff] [blame] | 2964 | card->dev->set_mac_address = NULL; |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2965 | SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops); |
| 2966 | card->dev->features |= NETIF_F_HW_VLAN_TX | |
| 2967 | NETIF_F_HW_VLAN_RX | |
| 2968 | NETIF_F_HW_VLAN_FILTER; |
| 2969 | |
| 2970 | SET_NETDEV_DEV(card->dev, &card->gdev->dev); |
| 2971 | return register_netdev(card->dev); |
| 2972 | } |
| 2973 | |
| 2974 | static void qeth_l3_qdio_input_handler(struct ccw_device *ccwdev, |
| 2975 | unsigned int status, unsigned int qdio_err, |
| 2976 | unsigned int siga_err, unsigned int queue, int first_element, |
| 2977 | int count, unsigned long card_ptr) |
| 2978 | { |
| 2979 | struct net_device *net_dev; |
| 2980 | struct qeth_card *card; |
| 2981 | struct qeth_qdio_buffer *buffer; |
| 2982 | int index; |
| 2983 | int i; |
| 2984 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2985 | QETH_DBF_TEXT(TRACE, 6, "qdinput"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2986 | card = (struct qeth_card *) card_ptr; |
| 2987 | net_dev = card->dev; |
| 2988 | if (card->options.performance_stats) { |
| 2989 | card->perf_stats.inbound_cnt++; |
| 2990 | card->perf_stats.inbound_start_time = qeth_get_micros(); |
| 2991 | } |
| 2992 | if (status & QDIO_STATUS_LOOK_FOR_ERROR) { |
| 2993 | if (status & QDIO_STATUS_ACTIVATE_CHECK_CONDITION) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2994 | QETH_DBF_TEXT(TRACE, 1, "qdinchk"); |
| 2995 | QETH_DBF_TEXT_(TRACE, 1, "%s", CARD_BUS_ID(card)); |
| 2996 | QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2997 | first_element, count); |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 2998 | QETH_DBF_TEXT_(TRACE, 1, "%04X%04X", queue, status); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 2999 | qeth_schedule_recovery(card); |
| 3000 | return; |
| 3001 | } |
| 3002 | } |
| 3003 | for (i = first_element; i < (first_element + count); ++i) { |
| 3004 | index = i % QDIO_MAX_BUFFERS_PER_Q; |
| 3005 | buffer = &card->qdio.in_q->bufs[index]; |
| 3006 | if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) && |
| 3007 | qeth_check_qdio_errors(buffer->buffer, |
| 3008 | qdio_err, siga_err, "qinerr"))) |
| 3009 | qeth_l3_process_inbound_buffer(card, buffer, index); |
| 3010 | /* clear buffer and give back to hardware */ |
| 3011 | qeth_put_buffer_pool_entry(card, buffer->pool_entry); |
| 3012 | qeth_queue_input_buffer(card, index); |
| 3013 | } |
| 3014 | if (card->options.performance_stats) |
| 3015 | card->perf_stats.inbound_time += qeth_get_micros() - |
| 3016 | card->perf_stats.inbound_start_time; |
| 3017 | } |
| 3018 | |
| 3019 | static int qeth_l3_probe_device(struct ccwgroup_device *gdev) |
| 3020 | { |
| 3021 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); |
| 3022 | |
| 3023 | qeth_l3_create_device_attributes(&gdev->dev); |
| 3024 | card->options.layer2 = 0; |
| 3025 | card->discipline.input_handler = (qdio_handler_t *) |
| 3026 | qeth_l3_qdio_input_handler; |
| 3027 | card->discipline.output_handler = (qdio_handler_t *) |
| 3028 | qeth_qdio_output_handler; |
| 3029 | card->discipline.recover = qeth_l3_recover; |
| 3030 | return 0; |
| 3031 | } |
| 3032 | |
| 3033 | static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) |
| 3034 | { |
| 3035 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); |
| 3036 | |
| 3037 | wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0); |
| 3038 | |
| 3039 | if (cgdev->state == CCWGROUP_ONLINE) { |
| 3040 | card->use_hard_stop = 1; |
| 3041 | qeth_l3_set_offline(cgdev); |
| 3042 | } |
| 3043 | |
| 3044 | if (card->dev) { |
| 3045 | unregister_netdev(card->dev); |
| 3046 | card->dev = NULL; |
| 3047 | } |
| 3048 | |
| 3049 | qeth_l3_remove_device_attributes(&cgdev->dev); |
| 3050 | qeth_l3_clear_ip_list(card, 0, 0); |
| 3051 | qeth_l3_clear_ipato_list(card); |
| 3052 | return; |
| 3053 | } |
| 3054 | |
| 3055 | static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode) |
| 3056 | { |
| 3057 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); |
| 3058 | int rc = 0; |
| 3059 | enum qeth_card_states recover_flag; |
| 3060 | |
| 3061 | BUG_ON(!card); |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3062 | QETH_DBF_TEXT(SETUP, 2, "setonlin"); |
| 3063 | QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3064 | |
| 3065 | qeth_set_allowed_threads(card, QETH_RECOVER_THREAD, 1); |
| 3066 | if (qeth_wait_for_threads(card, ~QETH_RECOVER_THREAD)) { |
| 3067 | PRINT_WARN("set_online of card %s interrupted by user!\n", |
| 3068 | CARD_BUS_ID(card)); |
| 3069 | return -ERESTARTSYS; |
| 3070 | } |
| 3071 | |
| 3072 | recover_flag = card->state; |
| 3073 | rc = ccw_device_set_online(CARD_RDEV(card)); |
| 3074 | if (rc) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3075 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3076 | return -EIO; |
| 3077 | } |
| 3078 | rc = ccw_device_set_online(CARD_WDEV(card)); |
| 3079 | if (rc) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3080 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3081 | return -EIO; |
| 3082 | } |
| 3083 | rc = ccw_device_set_online(CARD_DDEV(card)); |
| 3084 | if (rc) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3085 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3086 | return -EIO; |
| 3087 | } |
| 3088 | |
| 3089 | rc = qeth_core_hardsetup_card(card); |
| 3090 | if (rc) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3091 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3092 | goto out_remove; |
| 3093 | } |
| 3094 | |
| 3095 | qeth_l3_query_ipassists(card, QETH_PROT_IPV4); |
| 3096 | |
| 3097 | if (!card->dev && qeth_l3_setup_netdev(card)) |
| 3098 | goto out_remove; |
| 3099 | |
| 3100 | card->state = CARD_STATE_HARDSETUP; |
| 3101 | qeth_print_status_message(card); |
| 3102 | |
| 3103 | /* softsetup */ |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3104 | QETH_DBF_TEXT(SETUP, 2, "softsetp"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3105 | |
| 3106 | rc = qeth_send_startlan(card); |
| 3107 | if (rc) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3108 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3109 | if (rc == 0xe080) { |
| 3110 | PRINT_WARN("LAN on card %s if offline! " |
| 3111 | "Waiting for STARTLAN from card.\n", |
| 3112 | CARD_BUS_ID(card)); |
| 3113 | card->lan_online = 0; |
| 3114 | } |
| 3115 | return rc; |
| 3116 | } else |
| 3117 | card->lan_online = 1; |
| 3118 | qeth_set_large_send(card, card->options.large_send); |
| 3119 | |
| 3120 | rc = qeth_l3_setadapter_parms(card); |
| 3121 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3122 | QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3123 | rc = qeth_l3_start_ipassists(card); |
| 3124 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3125 | QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3126 | rc = qeth_l3_setrouting_v4(card); |
| 3127 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3128 | QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3129 | rc = qeth_l3_setrouting_v6(card); |
| 3130 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3131 | QETH_DBF_TEXT_(SETUP, 2, "5err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3132 | netif_tx_disable(card->dev); |
| 3133 | |
| 3134 | rc = qeth_init_qdio_queues(card); |
| 3135 | if (rc) { |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3136 | QETH_DBF_TEXT_(SETUP, 2, "6err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3137 | goto out_remove; |
| 3138 | } |
| 3139 | card->state = CARD_STATE_SOFTSETUP; |
| 3140 | netif_carrier_on(card->dev); |
| 3141 | |
| 3142 | qeth_set_allowed_threads(card, 0xffffffff, 0); |
| 3143 | if ((recover_flag == CARD_STATE_RECOVER) && recovery_mode) { |
| 3144 | qeth_l3_open(card->dev); |
| 3145 | qeth_l3_set_multicast_list(card->dev); |
| 3146 | } |
| 3147 | /* let user_space know that device is online */ |
| 3148 | kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); |
| 3149 | return 0; |
| 3150 | out_remove: |
| 3151 | card->use_hard_stop = 1; |
| 3152 | qeth_l3_stop_card(card, 0); |
| 3153 | ccw_device_set_offline(CARD_DDEV(card)); |
| 3154 | ccw_device_set_offline(CARD_WDEV(card)); |
| 3155 | ccw_device_set_offline(CARD_RDEV(card)); |
| 3156 | if (recover_flag == CARD_STATE_RECOVER) |
| 3157 | card->state = CARD_STATE_RECOVER; |
| 3158 | else |
| 3159 | card->state = CARD_STATE_DOWN; |
| 3160 | return -ENODEV; |
| 3161 | } |
| 3162 | |
| 3163 | static int qeth_l3_set_online(struct ccwgroup_device *gdev) |
| 3164 | { |
| 3165 | return __qeth_l3_set_online(gdev, 0); |
| 3166 | } |
| 3167 | |
| 3168 | static int __qeth_l3_set_offline(struct ccwgroup_device *cgdev, |
| 3169 | int recovery_mode) |
| 3170 | { |
| 3171 | struct qeth_card *card = dev_get_drvdata(&cgdev->dev); |
| 3172 | int rc = 0, rc2 = 0, rc3 = 0; |
| 3173 | enum qeth_card_states recover_flag; |
| 3174 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3175 | QETH_DBF_TEXT(SETUP, 3, "setoffl"); |
| 3176 | QETH_DBF_HEX(SETUP, 3, &card, sizeof(void *)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3177 | |
| 3178 | if (card->dev && netif_carrier_ok(card->dev)) |
| 3179 | netif_carrier_off(card->dev); |
| 3180 | recover_flag = card->state; |
| 3181 | if (qeth_l3_stop_card(card, recovery_mode) == -ERESTARTSYS) { |
| 3182 | PRINT_WARN("Stopping card %s interrupted by user!\n", |
| 3183 | CARD_BUS_ID(card)); |
| 3184 | return -ERESTARTSYS; |
| 3185 | } |
| 3186 | rc = ccw_device_set_offline(CARD_DDEV(card)); |
| 3187 | rc2 = ccw_device_set_offline(CARD_WDEV(card)); |
| 3188 | rc3 = ccw_device_set_offline(CARD_RDEV(card)); |
| 3189 | if (!rc) |
| 3190 | rc = (rc2) ? rc2 : rc3; |
| 3191 | if (rc) |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3192 | QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3193 | if (recover_flag == CARD_STATE_UP) |
| 3194 | card->state = CARD_STATE_RECOVER; |
| 3195 | /* let user_space know that device is offline */ |
| 3196 | kobject_uevent(&cgdev->dev.kobj, KOBJ_CHANGE); |
| 3197 | return 0; |
| 3198 | } |
| 3199 | |
| 3200 | static int qeth_l3_set_offline(struct ccwgroup_device *cgdev) |
| 3201 | { |
| 3202 | return __qeth_l3_set_offline(cgdev, 0); |
| 3203 | } |
| 3204 | |
| 3205 | static int qeth_l3_recover(void *ptr) |
| 3206 | { |
| 3207 | struct qeth_card *card; |
| 3208 | int rc = 0; |
| 3209 | |
| 3210 | card = (struct qeth_card *) ptr; |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3211 | QETH_DBF_TEXT(TRACE, 2, "recover1"); |
| 3212 | QETH_DBF_HEX(TRACE, 2, &card, sizeof(void *)); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3213 | if (!qeth_do_run_thread(card, QETH_RECOVER_THREAD)) |
| 3214 | return 0; |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3215 | QETH_DBF_TEXT(TRACE, 2, "recover2"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3216 | PRINT_WARN("Recovery of device %s started ...\n", |
| 3217 | CARD_BUS_ID(card)); |
| 3218 | card->use_hard_stop = 1; |
| 3219 | __qeth_l3_set_offline(card->gdev, 1); |
| 3220 | rc = __qeth_l3_set_online(card->gdev, 1); |
| 3221 | /* don't run another scheduled recovery */ |
| 3222 | qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD); |
| 3223 | qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD); |
| 3224 | if (!rc) |
| 3225 | PRINT_INFO("Device %s successfully recovered!\n", |
| 3226 | CARD_BUS_ID(card)); |
| 3227 | else |
| 3228 | PRINT_INFO("Device %s could not be recovered!\n", |
| 3229 | CARD_BUS_ID(card)); |
| 3230 | return 0; |
| 3231 | } |
| 3232 | |
| 3233 | static void qeth_l3_shutdown(struct ccwgroup_device *gdev) |
| 3234 | { |
| 3235 | struct qeth_card *card = dev_get_drvdata(&gdev->dev); |
| 3236 | qeth_l3_clear_ip_list(card, 0, 0); |
| 3237 | qeth_qdio_clear_card(card, 0); |
| 3238 | qeth_clear_qdio_buffers(card); |
| 3239 | } |
| 3240 | |
| 3241 | struct ccwgroup_driver qeth_l3_ccwgroup_driver = { |
| 3242 | .probe = qeth_l3_probe_device, |
| 3243 | .remove = qeth_l3_remove_device, |
| 3244 | .set_online = qeth_l3_set_online, |
| 3245 | .set_offline = qeth_l3_set_offline, |
| 3246 | .shutdown = qeth_l3_shutdown, |
| 3247 | }; |
| 3248 | EXPORT_SYMBOL_GPL(qeth_l3_ccwgroup_driver); |
| 3249 | |
| 3250 | static int qeth_l3_ip_event(struct notifier_block *this, |
David S. Miller | 76fef2b | 2008-03-22 18:22:42 -0700 | [diff] [blame] | 3251 | unsigned long event, void *ptr) |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3252 | { |
| 3253 | struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; |
| 3254 | struct net_device *dev = (struct net_device *)ifa->ifa_dev->dev; |
| 3255 | struct qeth_ipaddr *addr; |
| 3256 | struct qeth_card *card; |
| 3257 | |
YOSHIFUJI Hideaki | c346dca | 2008-03-25 21:47:49 +0900 | [diff] [blame] | 3258 | if (dev_net(dev) != &init_net) |
David S. Miller | 76fef2b | 2008-03-22 18:22:42 -0700 | [diff] [blame] | 3259 | return NOTIFY_DONE; |
| 3260 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3261 | QETH_DBF_TEXT(TRACE, 3, "ipevent"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3262 | card = qeth_l3_get_card_from_dev(dev); |
| 3263 | if (!card) |
| 3264 | return NOTIFY_DONE; |
| 3265 | |
| 3266 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV4); |
| 3267 | if (addr != NULL) { |
| 3268 | addr->u.a4.addr = ifa->ifa_address; |
| 3269 | addr->u.a4.mask = ifa->ifa_mask; |
| 3270 | addr->type = QETH_IP_TYPE_NORMAL; |
| 3271 | } else |
| 3272 | goto out; |
| 3273 | |
| 3274 | switch (event) { |
| 3275 | case NETDEV_UP: |
| 3276 | if (!qeth_l3_add_ip(card, addr)) |
| 3277 | kfree(addr); |
| 3278 | break; |
| 3279 | case NETDEV_DOWN: |
| 3280 | if (!qeth_l3_delete_ip(card, addr)) |
| 3281 | kfree(addr); |
| 3282 | break; |
| 3283 | default: |
| 3284 | break; |
| 3285 | } |
| 3286 | qeth_l3_set_ip_addr_list(card); |
| 3287 | out: |
| 3288 | return NOTIFY_DONE; |
| 3289 | } |
| 3290 | |
| 3291 | static struct notifier_block qeth_l3_ip_notifier = { |
| 3292 | qeth_l3_ip_event, |
| 3293 | NULL, |
| 3294 | }; |
| 3295 | |
| 3296 | #ifdef CONFIG_QETH_IPV6 |
| 3297 | /** |
| 3298 | * IPv6 event handler |
| 3299 | */ |
| 3300 | static int qeth_l3_ip6_event(struct notifier_block *this, |
David S. Miller | 76fef2b | 2008-03-22 18:22:42 -0700 | [diff] [blame] | 3301 | unsigned long event, void *ptr) |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3302 | { |
| 3303 | struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr; |
| 3304 | struct net_device *dev = (struct net_device *)ifa->idev->dev; |
| 3305 | struct qeth_ipaddr *addr; |
| 3306 | struct qeth_card *card; |
| 3307 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3308 | QETH_DBF_TEXT(TRACE, 3, "ip6event"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3309 | |
| 3310 | card = qeth_l3_get_card_from_dev(dev); |
| 3311 | if (!card) |
| 3312 | return NOTIFY_DONE; |
| 3313 | if (!qeth_is_supported(card, IPA_IPV6)) |
| 3314 | return NOTIFY_DONE; |
| 3315 | |
| 3316 | addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6); |
| 3317 | if (addr != NULL) { |
| 3318 | memcpy(&addr->u.a6.addr, &ifa->addr, sizeof(struct in6_addr)); |
| 3319 | addr->u.a6.pfxlen = ifa->prefix_len; |
| 3320 | addr->type = QETH_IP_TYPE_NORMAL; |
| 3321 | } else |
| 3322 | goto out; |
| 3323 | |
| 3324 | switch (event) { |
| 3325 | case NETDEV_UP: |
| 3326 | if (!qeth_l3_add_ip(card, addr)) |
| 3327 | kfree(addr); |
| 3328 | break; |
| 3329 | case NETDEV_DOWN: |
| 3330 | if (!qeth_l3_delete_ip(card, addr)) |
| 3331 | kfree(addr); |
| 3332 | break; |
| 3333 | default: |
| 3334 | break; |
| 3335 | } |
| 3336 | qeth_l3_set_ip_addr_list(card); |
| 3337 | out: |
| 3338 | return NOTIFY_DONE; |
| 3339 | } |
| 3340 | |
| 3341 | static struct notifier_block qeth_l3_ip6_notifier = { |
| 3342 | qeth_l3_ip6_event, |
| 3343 | NULL, |
| 3344 | }; |
| 3345 | #endif |
| 3346 | |
| 3347 | static int qeth_l3_register_notifiers(void) |
| 3348 | { |
| 3349 | int rc; |
| 3350 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3351 | QETH_DBF_TEXT(TRACE, 5, "regnotif"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3352 | rc = register_inetaddr_notifier(&qeth_l3_ip_notifier); |
| 3353 | if (rc) |
| 3354 | return rc; |
| 3355 | #ifdef CONFIG_QETH_IPV6 |
| 3356 | rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier); |
| 3357 | if (rc) { |
| 3358 | unregister_inetaddr_notifier(&qeth_l3_ip_notifier); |
| 3359 | return rc; |
| 3360 | } |
| 3361 | #else |
| 3362 | PRINT_WARN("layer 3 discipline no IPv6 support\n"); |
| 3363 | #endif |
| 3364 | return 0; |
| 3365 | } |
| 3366 | |
| 3367 | static void qeth_l3_unregister_notifiers(void) |
| 3368 | { |
| 3369 | |
Peter Tiedemann | d11ba0c | 2008-04-01 10:26:58 +0200 | [diff] [blame^] | 3370 | QETH_DBF_TEXT(TRACE, 5, "unregnot"); |
Frank Blaschka | 4a71df5 | 2008-02-15 09:19:42 +0100 | [diff] [blame] | 3371 | BUG_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier)); |
| 3372 | #ifdef CONFIG_QETH_IPV6 |
| 3373 | BUG_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier)); |
| 3374 | #endif /* QETH_IPV6 */ |
| 3375 | } |
| 3376 | |
| 3377 | static int __init qeth_l3_init(void) |
| 3378 | { |
| 3379 | int rc = 0; |
| 3380 | |
| 3381 | PRINT_INFO("register layer 3 discipline\n"); |
| 3382 | rc = qeth_l3_register_notifiers(); |
| 3383 | return rc; |
| 3384 | } |
| 3385 | |
| 3386 | static void __exit qeth_l3_exit(void) |
| 3387 | { |
| 3388 | qeth_l3_unregister_notifiers(); |
| 3389 | PRINT_INFO("unregister layer 3 discipline\n"); |
| 3390 | } |
| 3391 | |
| 3392 | module_init(qeth_l3_init); |
| 3393 | module_exit(qeth_l3_exit); |
| 3394 | MODULE_AUTHOR("Frank Blaschka <frank.blaschka@de.ibm.com>"); |
| 3395 | MODULE_DESCRIPTION("qeth layer 3 discipline"); |
| 3396 | MODULE_LICENSE("GPL"); |