diff options
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/rtnetlink.c | 54 |
1 files changed, 23 insertions, 31 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 391a62cd9df6..e2f3317f290f 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c | |||
@@ -38,7 +38,6 @@ | |||
38 | 38 | ||
39 | #include <asm/uaccess.h> | 39 | #include <asm/uaccess.h> |
40 | #include <asm/system.h> | 40 | #include <asm/system.h> |
41 | #include <asm/string.h> | ||
42 | 41 | ||
43 | #include <linux/inet.h> | 42 | #include <linux/inet.h> |
44 | #include <linux/netdevice.h> | 43 | #include <linux/netdevice.h> |
@@ -53,8 +52,7 @@ | |||
53 | #include <net/rtnetlink.h> | 52 | #include <net/rtnetlink.h> |
54 | #include <net/net_namespace.h> | 53 | #include <net/net_namespace.h> |
55 | 54 | ||
56 | struct rtnl_link | 55 | struct rtnl_link { |
57 | { | ||
58 | rtnl_doit_func doit; | 56 | rtnl_doit_func doit; |
59 | rtnl_dumpit_func dumpit; | 57 | rtnl_dumpit_func dumpit; |
60 | }; | 58 | }; |
@@ -65,6 +63,7 @@ void rtnl_lock(void) | |||
65 | { | 63 | { |
66 | mutex_lock(&rtnl_mutex); | 64 | mutex_lock(&rtnl_mutex); |
67 | } | 65 | } |
66 | EXPORT_SYMBOL(rtnl_lock); | ||
68 | 67 | ||
69 | void __rtnl_unlock(void) | 68 | void __rtnl_unlock(void) |
70 | { | 69 | { |
@@ -76,16 +75,19 @@ void rtnl_unlock(void) | |||
76 | /* This fellow will unlock it for us. */ | 75 | /* This fellow will unlock it for us. */ |
77 | netdev_run_todo(); | 76 | netdev_run_todo(); |
78 | } | 77 | } |
78 | EXPORT_SYMBOL(rtnl_unlock); | ||
79 | 79 | ||
80 | int rtnl_trylock(void) | 80 | int rtnl_trylock(void) |
81 | { | 81 | { |
82 | return mutex_trylock(&rtnl_mutex); | 82 | return mutex_trylock(&rtnl_mutex); |
83 | } | 83 | } |
84 | EXPORT_SYMBOL(rtnl_trylock); | ||
84 | 85 | ||
85 | int rtnl_is_locked(void) | 86 | int rtnl_is_locked(void) |
86 | { | 87 | { |
87 | return mutex_is_locked(&rtnl_mutex); | 88 | return mutex_is_locked(&rtnl_mutex); |
88 | } | 89 | } |
90 | EXPORT_SYMBOL(rtnl_is_locked); | ||
89 | 91 | ||
90 | static struct rtnl_link *rtnl_msg_handlers[NPROTO]; | 92 | static struct rtnl_link *rtnl_msg_handlers[NPROTO]; |
91 | 93 | ||
@@ -168,7 +170,6 @@ int __rtnl_register(int protocol, int msgtype, | |||
168 | 170 | ||
169 | return 0; | 171 | return 0; |
170 | } | 172 | } |
171 | |||
172 | EXPORT_SYMBOL_GPL(__rtnl_register); | 173 | EXPORT_SYMBOL_GPL(__rtnl_register); |
173 | 174 | ||
174 | /** | 175 | /** |
@@ -188,7 +189,6 @@ void rtnl_register(int protocol, int msgtype, | |||
188 | "protocol = %d, message type = %d\n", | 189 | "protocol = %d, message type = %d\n", |
189 | protocol, msgtype); | 190 | protocol, msgtype); |
190 | } | 191 | } |
191 | |||
192 | EXPORT_SYMBOL_GPL(rtnl_register); | 192 | EXPORT_SYMBOL_GPL(rtnl_register); |
193 | 193 | ||
194 | /** | 194 | /** |
@@ -213,7 +213,6 @@ int rtnl_unregister(int protocol, int msgtype) | |||
213 | 213 | ||
214 | return 0; | 214 | return 0; |
215 | } | 215 | } |
216 | |||
217 | EXPORT_SYMBOL_GPL(rtnl_unregister); | 216 | EXPORT_SYMBOL_GPL(rtnl_unregister); |
218 | 217 | ||
219 | /** | 218 | /** |
@@ -230,7 +229,6 @@ void rtnl_unregister_all(int protocol) | |||
230 | kfree(rtnl_msg_handlers[protocol]); | 229 | kfree(rtnl_msg_handlers[protocol]); |
231 | rtnl_msg_handlers[protocol] = NULL; | 230 | rtnl_msg_handlers[protocol] = NULL; |
232 | } | 231 | } |
233 | |||
234 | EXPORT_SYMBOL_GPL(rtnl_unregister_all); | 232 | EXPORT_SYMBOL_GPL(rtnl_unregister_all); |
235 | 233 | ||
236 | static LIST_HEAD(link_ops); | 234 | static LIST_HEAD(link_ops); |
@@ -253,7 +251,6 @@ int __rtnl_link_register(struct rtnl_link_ops *ops) | |||
253 | list_add_tail(&ops->list, &link_ops); | 251 | list_add_tail(&ops->list, &link_ops); |
254 | return 0; | 252 | return 0; |
255 | } | 253 | } |
256 | |||
257 | EXPORT_SYMBOL_GPL(__rtnl_link_register); | 254 | EXPORT_SYMBOL_GPL(__rtnl_link_register); |
258 | 255 | ||
259 | /** | 256 | /** |
@@ -271,7 +268,6 @@ int rtnl_link_register(struct rtnl_link_ops *ops) | |||
271 | rtnl_unlock(); | 268 | rtnl_unlock(); |
272 | return err; | 269 | return err; |
273 | } | 270 | } |
274 | |||
275 | EXPORT_SYMBOL_GPL(rtnl_link_register); | 271 | EXPORT_SYMBOL_GPL(rtnl_link_register); |
276 | 272 | ||
277 | static void __rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops) | 273 | static void __rtnl_kill_links(struct net *net, struct rtnl_link_ops *ops) |
@@ -309,7 +305,6 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops) | |||
309 | } | 305 | } |
310 | list_del(&ops->list); | 306 | list_del(&ops->list); |
311 | } | 307 | } |
312 | |||
313 | EXPORT_SYMBOL_GPL(__rtnl_link_unregister); | 308 | EXPORT_SYMBOL_GPL(__rtnl_link_unregister); |
314 | 309 | ||
315 | /** | 310 | /** |
@@ -322,7 +317,6 @@ void rtnl_link_unregister(struct rtnl_link_ops *ops) | |||
322 | __rtnl_link_unregister(ops); | 317 | __rtnl_link_unregister(ops); |
323 | rtnl_unlock(); | 318 | rtnl_unlock(); |
324 | } | 319 | } |
325 | |||
326 | EXPORT_SYMBOL_GPL(rtnl_link_unregister); | 320 | EXPORT_SYMBOL_GPL(rtnl_link_unregister); |
327 | 321 | ||
328 | static const struct rtnl_link_ops *rtnl_link_ops_get(const char *kind) | 322 | static const struct rtnl_link_ops *rtnl_link_ops_get(const char *kind) |
@@ -427,12 +421,13 @@ void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data | |||
427 | struct rtattr *rta; | 421 | struct rtattr *rta; |
428 | int size = RTA_LENGTH(attrlen); | 422 | int size = RTA_LENGTH(attrlen); |
429 | 423 | ||
430 | rta = (struct rtattr*)skb_put(skb, RTA_ALIGN(size)); | 424 | rta = (struct rtattr *)skb_put(skb, RTA_ALIGN(size)); |
431 | rta->rta_type = attrtype; | 425 | rta->rta_type = attrtype; |
432 | rta->rta_len = size; | 426 | rta->rta_len = size; |
433 | memcpy(RTA_DATA(rta), data, attrlen); | 427 | memcpy(RTA_DATA(rta), data, attrlen); |
434 | memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size); | 428 | memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size); |
435 | } | 429 | } |
430 | EXPORT_SYMBOL(__rta_fill); | ||
436 | 431 | ||
437 | int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group, int echo) | 432 | int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group, int echo) |
438 | { | 433 | { |
@@ -454,6 +449,7 @@ int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid) | |||
454 | 449 | ||
455 | return nlmsg_unicast(rtnl, skb, pid); | 450 | return nlmsg_unicast(rtnl, skb, pid); |
456 | } | 451 | } |
452 | EXPORT_SYMBOL(rtnl_unicast); | ||
457 | 453 | ||
458 | void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group, | 454 | void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group, |
459 | struct nlmsghdr *nlh, gfp_t flags) | 455 | struct nlmsghdr *nlh, gfp_t flags) |
@@ -466,6 +462,7 @@ void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, u32 group, | |||
466 | 462 | ||
467 | nlmsg_notify(rtnl, skb, pid, group, report, flags); | 463 | nlmsg_notify(rtnl, skb, pid, group, report, flags); |
468 | } | 464 | } |
465 | EXPORT_SYMBOL(rtnl_notify); | ||
469 | 466 | ||
470 | void rtnl_set_sk_err(struct net *net, u32 group, int error) | 467 | void rtnl_set_sk_err(struct net *net, u32 group, int error) |
471 | { | 468 | { |
@@ -473,6 +470,7 @@ void rtnl_set_sk_err(struct net *net, u32 group, int error) | |||
473 | 470 | ||
474 | netlink_set_err(rtnl, 0, group, error); | 471 | netlink_set_err(rtnl, 0, group, error); |
475 | } | 472 | } |
473 | EXPORT_SYMBOL(rtnl_set_sk_err); | ||
476 | 474 | ||
477 | int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics) | 475 | int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics) |
478 | { | 476 | { |
@@ -501,6 +499,7 @@ nla_put_failure: | |||
501 | nla_nest_cancel(skb, mx); | 499 | nla_nest_cancel(skb, mx); |
502 | return -EMSGSIZE; | 500 | return -EMSGSIZE; |
503 | } | 501 | } |
502 | EXPORT_SYMBOL(rtnetlink_put_metrics); | ||
504 | 503 | ||
505 | int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id, | 504 | int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id, |
506 | u32 ts, u32 tsage, long expires, u32 error) | 505 | u32 ts, u32 tsage, long expires, u32 error) |
@@ -520,14 +519,13 @@ int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id, | |||
520 | 519 | ||
521 | return nla_put(skb, RTA_CACHEINFO, sizeof(ci), &ci); | 520 | return nla_put(skb, RTA_CACHEINFO, sizeof(ci), &ci); |
522 | } | 521 | } |
523 | |||
524 | EXPORT_SYMBOL_GPL(rtnl_put_cacheinfo); | 522 | EXPORT_SYMBOL_GPL(rtnl_put_cacheinfo); |
525 | 523 | ||
526 | static void set_operstate(struct net_device *dev, unsigned char transition) | 524 | static void set_operstate(struct net_device *dev, unsigned char transition) |
527 | { | 525 | { |
528 | unsigned char operstate = dev->operstate; | 526 | unsigned char operstate = dev->operstate; |
529 | 527 | ||
530 | switch(transition) { | 528 | switch (transition) { |
531 | case IF_OPER_UP: | 529 | case IF_OPER_UP: |
532 | if ((operstate == IF_OPER_DORMANT || | 530 | if ((operstate == IF_OPER_DORMANT || |
533 | operstate == IF_OPER_UNKNOWN) && | 531 | operstate == IF_OPER_UNKNOWN) && |
@@ -728,6 +726,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = { | |||
728 | [IFLA_NET_NS_PID] = { .type = NLA_U32 }, | 726 | [IFLA_NET_NS_PID] = { .type = NLA_U32 }, |
729 | [IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 }, | 727 | [IFLA_IFALIAS] = { .type = NLA_STRING, .len = IFALIASZ-1 }, |
730 | }; | 728 | }; |
729 | EXPORT_SYMBOL(ifla_policy); | ||
731 | 730 | ||
732 | static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = { | 731 | static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = { |
733 | [IFLA_INFO_KIND] = { .type = NLA_STRING }, | 732 | [IFLA_INFO_KIND] = { .type = NLA_STRING }, |
@@ -932,7 +931,8 @@ static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) | |||
932 | goto errout; | 931 | goto errout; |
933 | } | 932 | } |
934 | 933 | ||
935 | if ((err = validate_linkmsg(dev, tb)) < 0) | 934 | err = validate_linkmsg(dev, tb); |
935 | if (err < 0) | ||
936 | goto errout; | 936 | goto errout; |
937 | 937 | ||
938 | err = do_setlink(dev, ifm, tb, ifname, 0); | 938 | err = do_setlink(dev, ifm, tb, ifname, 0); |
@@ -985,7 +985,8 @@ struct net_device *rtnl_create_link(struct net *net, char *ifname, | |||
985 | unsigned int real_num_queues = 1; | 985 | unsigned int real_num_queues = 1; |
986 | 986 | ||
987 | if (ops->get_tx_queues) { | 987 | if (ops->get_tx_queues) { |
988 | err = ops->get_tx_queues(net, tb, &num_queues, &real_num_queues); | 988 | err = ops->get_tx_queues(net, tb, &num_queues, |
989 | &real_num_queues); | ||
989 | if (err) | 990 | if (err) |
990 | goto err; | 991 | goto err; |
991 | } | 992 | } |
@@ -1026,6 +1027,7 @@ err_free: | |||
1026 | err: | 1027 | err: |
1027 | return ERR_PTR(err); | 1028 | return ERR_PTR(err); |
1028 | } | 1029 | } |
1030 | EXPORT_SYMBOL(rtnl_create_link); | ||
1029 | 1031 | ||
1030 | static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) | 1032 | static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) |
1031 | { | 1033 | { |
@@ -1059,7 +1061,8 @@ replay: | |||
1059 | else | 1061 | else |
1060 | dev = NULL; | 1062 | dev = NULL; |
1061 | 1063 | ||
1062 | if ((err = validate_linkmsg(dev, tb)) < 0) | 1064 | err = validate_linkmsg(dev, tb); |
1065 | if (err < 0) | ||
1063 | return err; | 1066 | return err; |
1064 | 1067 | ||
1065 | if (tb[IFLA_LINKINFO]) { | 1068 | if (tb[IFLA_LINKINFO]) { |
@@ -1210,7 +1213,7 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb) | |||
1210 | 1213 | ||
1211 | if (s_idx == 0) | 1214 | if (s_idx == 0) |
1212 | s_idx = 1; | 1215 | s_idx = 1; |
1213 | for (idx=1; idx<NPROTO; idx++) { | 1216 | for (idx = 1; idx < NPROTO; idx++) { |
1214 | int type = cb->nlh->nlmsg_type-RTM_BASE; | 1217 | int type = cb->nlh->nlmsg_type-RTM_BASE; |
1215 | if (idx < s_idx || idx == PF_PACKET) | 1218 | if (idx < s_idx || idx == PF_PACKET) |
1216 | continue; | 1219 | continue; |
@@ -1277,7 +1280,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) | |||
1277 | if (nlh->nlmsg_len < NLMSG_LENGTH(sizeof(struct rtgenmsg))) | 1280 | if (nlh->nlmsg_len < NLMSG_LENGTH(sizeof(struct rtgenmsg))) |
1278 | return 0; | 1281 | return 0; |
1279 | 1282 | ||
1280 | family = ((struct rtgenmsg*)NLMSG_DATA(nlh))->rtgen_family; | 1283 | family = ((struct rtgenmsg *)NLMSG_DATA(nlh))->rtgen_family; |
1281 | if (family >= NPROTO) | 1284 | if (family >= NPROTO) |
1282 | return -EAFNOSUPPORT; | 1285 | return -EAFNOSUPPORT; |
1283 | 1286 | ||
@@ -1310,7 +1313,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) | |||
1310 | 1313 | ||
1311 | if (nlh->nlmsg_len > min_len) { | 1314 | if (nlh->nlmsg_len > min_len) { |
1312 | int attrlen = nlh->nlmsg_len - NLMSG_ALIGN(min_len); | 1315 | int attrlen = nlh->nlmsg_len - NLMSG_ALIGN(min_len); |
1313 | struct rtattr *attr = (void*)nlh + NLMSG_ALIGN(min_len); | 1316 | struct rtattr *attr = (void *)nlh + NLMSG_ALIGN(min_len); |
1314 | 1317 | ||
1315 | while (RTA_OK(attr, attrlen)) { | 1318 | while (RTA_OK(attr, attrlen)) { |
1316 | unsigned flavor = attr->rta_type; | 1319 | unsigned flavor = attr->rta_type; |
@@ -1416,14 +1419,3 @@ void __init rtnetlink_init(void) | |||
1416 | rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all); | 1419 | rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all); |
1417 | } | 1420 | } |
1418 | 1421 | ||
1419 | EXPORT_SYMBOL(__rta_fill); | ||
1420 | EXPORT_SYMBOL(rtnetlink_put_metrics); | ||
1421 | EXPORT_SYMBOL(rtnl_lock); | ||
1422 | EXPORT_SYMBOL(rtnl_trylock); | ||
1423 | EXPORT_SYMBOL(rtnl_unlock); | ||
1424 | EXPORT_SYMBOL(rtnl_is_locked); | ||
1425 | EXPORT_SYMBOL(rtnl_unicast); | ||
1426 | EXPORT_SYMBOL(rtnl_notify); | ||
1427 | EXPORT_SYMBOL(rtnl_set_sk_err); | ||
1428 | EXPORT_SYMBOL(rtnl_create_link); | ||
1429 | EXPORT_SYMBOL(ifla_policy); | ||