Lines Matching full:ifp
155 static void addrconf_join_anycast(struct inet6_ifaddr *ifp);
156 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp);
168 static void addrconf_dad_start(struct inet6_ifaddr *ifp);
170 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id,
314 static void addrconf_del_dad_work(struct inet6_ifaddr *ifp) in addrconf_del_dad_work() argument
316 if (cancel_delayed_work(&ifp->dad_work)) in addrconf_del_dad_work()
317 __in6_ifa_put(ifp); in addrconf_del_dad_work()
327 static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp, in addrconf_mod_dad_work() argument
330 in6_ifa_hold(ifp); in addrconf_mod_dad_work()
331 if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay)) in addrconf_mod_dad_work()
332 in6_ifa_put(ifp); in addrconf_mod_dad_work()
984 void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp) in inet6_ifa_finish_destroy() argument
986 WARN_ON(!hlist_unhashed(&ifp->addr_lst)); in inet6_ifa_finish_destroy()
992 in6_dev_put(ifp->idev); in inet6_ifa_finish_destroy()
994 if (cancel_delayed_work(&ifp->dad_work)) in inet6_ifa_finish_destroy()
996 ifp); in inet6_ifa_finish_destroy()
998 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in inet6_ifa_finish_destroy()
999 pr_warn("Freeing alive inet6 address %p\n", ifp); in inet6_ifa_finish_destroy()
1003 kfree_rcu(ifp, rcu); in inet6_ifa_finish_destroy()
1007 ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) in ipv6_link_dev_addr() argument
1010 int ifp_scope = ipv6_addr_src_scope(&ifp->addr); in ipv6_link_dev_addr()
1023 list_add_tail_rcu(&ifp->if_list, p); in ipv6_link_dev_addr()
1036 struct inet6_ifaddr *ifp; in ipv6_chk_same_addr() local
1038 hlist_for_each_entry(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in ipv6_chk_same_addr()
1039 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_same_addr()
1040 if (!dev || ifp->idev->dev == dev) in ipv6_chk_same_addr()
1068 /* On success it returns ifp with increased reference count */
1212 * Check, whether the prefix for ifp would still need a prefix route
1213 * after deleting ifp. The function returns one of the CLEANUP_PREFIX_RT_*
1230 check_cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long *expires) in check_cleanup_prefix_route() argument
1233 struct inet6_dev *idev = ifp->idev; in check_cleanup_prefix_route()
1240 if (ifa == ifp) in check_cleanup_prefix_route()
1242 if (ifa->prefix_len != ifp->prefix_len || in check_cleanup_prefix_route()
1243 !ipv6_prefix_equal(&ifa->addr, &ifp->addr, in check_cleanup_prefix_route()
1244 ifp->prefix_len)) in check_cleanup_prefix_route()
1268 cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long expires, in cleanup_prefix_route() argument
1273 f6i = addrconf_get_prefix_route(del_peer ? &ifp->peer_addr : &ifp->addr, in cleanup_prefix_route()
1274 ifp->prefix_len, in cleanup_prefix_route()
1275 ifp->idev->dev, 0, RTF_DEFAULT, true); in cleanup_prefix_route()
1278 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in cleanup_prefix_route()
1288 /* This function wants to get referenced ifp and releases it before return */
1290 static void ipv6_del_addr(struct inet6_ifaddr *ifp) in ipv6_del_addr() argument
1293 struct net *net = dev_net(ifp->idev->dev); in ipv6_del_addr()
1299 spin_lock_bh(&ifp->lock); in ipv6_del_addr()
1300 state = ifp->state; in ipv6_del_addr()
1301 ifp->state = INET6_IFADDR_STATE_DEAD; in ipv6_del_addr()
1302 spin_unlock_bh(&ifp->lock); in ipv6_del_addr()
1308 hlist_del_init_rcu(&ifp->addr_lst); in ipv6_del_addr()
1311 write_lock_bh(&ifp->idev->lock); in ipv6_del_addr()
1313 if (ifp->flags&IFA_F_TEMPORARY) { in ipv6_del_addr()
1314 list_del(&ifp->tmp_list); in ipv6_del_addr()
1315 if (ifp->ifpub) { in ipv6_del_addr()
1316 in6_ifa_put(ifp->ifpub); in ipv6_del_addr()
1317 ifp->ifpub = NULL; in ipv6_del_addr()
1319 __in6_ifa_put(ifp); in ipv6_del_addr()
1322 if (ifp->flags & IFA_F_PERMANENT && !(ifp->flags & IFA_F_NOPREFIXROUTE)) in ipv6_del_addr()
1323 action = check_cleanup_prefix_route(ifp, &expires); in ipv6_del_addr()
1325 list_del_rcu(&ifp->if_list); in ipv6_del_addr()
1326 __in6_ifa_put(ifp); in ipv6_del_addr()
1328 write_unlock_bh(&ifp->idev->lock); in ipv6_del_addr()
1330 addrconf_del_dad_work(ifp); in ipv6_del_addr()
1332 ipv6_ifa_notify(RTM_DELADDR, ifp); in ipv6_del_addr()
1334 inet6addr_notifier_call_chain(NETDEV_DOWN, ifp); in ipv6_del_addr()
1337 cleanup_prefix_route(ifp, expires, in ipv6_del_addr()
1342 rt6_remove_prefsrc(ifp); in ipv6_del_addr()
1344 in6_ifa_put(ifp); in ipv6_del_addr()
1347 static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, bool block) in ipv6_create_tempaddr() argument
1349 struct inet6_dev *idev = ifp->idev; in ipv6_create_tempaddr()
1371 spin_lock_bh(&ifp->lock); in ipv6_create_tempaddr()
1372 if (ifp->regen_count++ >= idev->cnf.regen_max_retry) { in ipv6_create_tempaddr()
1374 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1382 in6_ifa_hold(ifp); in ipv6_create_tempaddr()
1383 memcpy(addr.s6_addr, ifp->addr.s6_addr, 8); in ipv6_create_tempaddr()
1386 age = (now - ifp->tstamp) / HZ; in ipv6_create_tempaddr()
1411 cfg.valid_lft = min_t(__u32, ifp->valid_lft, in ipv6_create_tempaddr()
1414 cfg.preferred_lft = min_t(__u32, ifp->prefered_lft, cfg.preferred_lft); in ipv6_create_tempaddr()
1416 cfg.plen = ifp->prefix_len; in ipv6_create_tempaddr()
1417 tmp_tstamp = ifp->tstamp; in ipv6_create_tempaddr()
1418 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1431 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1439 if (ifp->flags & IFA_F_OPTIMISTIC) in ipv6_create_tempaddr()
1447 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1455 ift->ifpub = ifp; in ipv6_create_tempaddr()
1874 struct inet6_ifaddr *ifp; in __ipv6_get_lladdr() local
1877 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in __ipv6_get_lladdr()
1878 if (ifp->scope > IFA_LINK) in __ipv6_get_lladdr()
1880 if (ifp->scope == IFA_LINK && in __ipv6_get_lladdr()
1881 !(ifp->flags & banned_flags)) { in __ipv6_get_lladdr()
1882 *addr = ifp->addr; in __ipv6_get_lladdr()
1909 const struct inet6_ifaddr *ifp; in ipv6_count_addresses() local
1913 list_for_each_entry_rcu(ifp, &idev->addr_list, if_list) in ipv6_count_addresses()
1928 * skip_dev_check is set, then the ifp device is not checked against
1943 struct inet6_ifaddr *ifp; in __ipv6_chk_addr_and_flags() local
1952 hlist_for_each_entry_rcu(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in __ipv6_chk_addr_and_flags()
1953 ndev = ifp->idev->dev; in __ipv6_chk_addr_and_flags()
1961 ifp_flags = (ifp->flags&IFA_F_OPTIMISTIC) in __ipv6_chk_addr_and_flags()
1962 ? (ifp->flags&~IFA_F_TENTATIVE) in __ipv6_chk_addr_and_flags()
1963 : ifp->flags; in __ipv6_chk_addr_and_flags()
1964 if (ipv6_addr_equal(&ifp->addr, addr) && in __ipv6_chk_addr_and_flags()
1967 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict))) { in __ipv6_chk_addr_and_flags()
2054 struct inet6_ifaddr *ifp, *result = NULL; in ipv6_get_ifaddr() local
2057 hlist_for_each_entry_rcu(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in ipv6_get_ifaddr()
2058 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_get_ifaddr()
2059 if (!dev || ifp->idev->dev == dev || in ipv6_get_ifaddr()
2060 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) { in ipv6_get_ifaddr()
2061 result = ifp; in ipv6_get_ifaddr()
2062 in6_ifa_hold(ifp); in ipv6_get_ifaddr()
2074 static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed) in addrconf_dad_stop() argument
2077 ifp->flags |= IFA_F_DADFAILED; in addrconf_dad_stop()
2079 if (ifp->flags&IFA_F_TEMPORARY) { in addrconf_dad_stop()
2081 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2082 ifpub = ifp->ifpub; in addrconf_dad_stop()
2085 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2089 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2091 ipv6_del_addr(ifp); in addrconf_dad_stop()
2092 } else if (ifp->flags&IFA_F_PERMANENT || !dad_failed) { in addrconf_dad_stop()
2093 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2094 addrconf_del_dad_work(ifp); in addrconf_dad_stop()
2095 ifp->flags |= IFA_F_TENTATIVE; in addrconf_dad_stop()
2097 ifp->flags &= ~IFA_F_OPTIMISTIC; in addrconf_dad_stop()
2098 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2100 ipv6_ifa_notify(0, ifp); in addrconf_dad_stop()
2101 in6_ifa_put(ifp); in addrconf_dad_stop()
2103 ipv6_del_addr(ifp); in addrconf_dad_stop()
2107 static int addrconf_dad_end(struct inet6_ifaddr *ifp) in addrconf_dad_end() argument
2111 spin_lock_bh(&ifp->lock); in addrconf_dad_end()
2112 if (ifp->state == INET6_IFADDR_STATE_DAD) { in addrconf_dad_end()
2113 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_end()
2116 spin_unlock_bh(&ifp->lock); in addrconf_dad_end()
2121 void addrconf_dad_failure(struct sk_buff *skb, struct inet6_ifaddr *ifp) in addrconf_dad_failure() argument
2123 struct inet6_dev *idev = ifp->idev; in addrconf_dad_failure()
2126 if (addrconf_dad_end(ifp)) { in addrconf_dad_failure()
2127 in6_ifa_put(ifp); in addrconf_dad_failure()
2132 ifp->idev->dev->name, &ifp->addr, eth_hdr(skb)->h_source); in addrconf_dad_failure()
2134 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2136 if (ifp->flags & IFA_F_STABLE_PRIVACY) { in addrconf_dad_failure()
2139 int retries = ifp->stable_privacy_retry + 1; in addrconf_dad_failure()
2142 .plen = ifp->prefix_len, in addrconf_dad_failure()
2143 .ifa_flags = ifp->flags, in addrconf_dad_failure()
2144 .valid_lft = ifp->valid_lft, in addrconf_dad_failure()
2145 .preferred_lft = ifp->prefered_lft, in addrconf_dad_failure()
2146 .scope = ifp->scope, in addrconf_dad_failure()
2151 ifp->idev->dev->name); in addrconf_dad_failure()
2155 new_addr = ifp->addr; in addrconf_dad_failure()
2160 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2168 ifp->idev->dev->name); in addrconf_dad_failure()
2182 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2187 ifp->state = INET6_IFADDR_STATE_ERRDAD; in addrconf_dad_failure()
2188 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2190 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_failure()
2191 in6_ifa_put(ifp); in addrconf_dad_failure()
2220 static void addrconf_join_anycast(struct inet6_ifaddr *ifp) in addrconf_join_anycast() argument
2224 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_join_anycast()
2226 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_join_anycast()
2229 __ipv6_dev_ac_inc(ifp->idev, &addr); in addrconf_join_anycast()
2233 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) in addrconf_leave_anycast() argument
2237 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_leave_anycast()
2239 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_leave_anycast()
2242 __ipv6_dev_ac_dec(ifp->idev, &addr); in addrconf_leave_anycast()
2367 struct inet6_ifaddr *ifp; in ipv6_inherit_eui64() local
2370 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in ipv6_inherit_eui64()
2371 if (ifp->scope > IFA_LINK) in ipv6_inherit_eui64()
2373 if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) { in ipv6_inherit_eui64()
2374 memcpy(eui, ifp->addr.s6_addr+8, 8); in ipv6_inherit_eui64()
2537 struct inet6_ifaddr *ifp, in manage_tempaddrs() argument
2549 if (ifp != ift->ifpub) in manage_tempaddrs()
2603 ipv6_create_tempaddr(ifp, false); in manage_tempaddrs()
2622 struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1); in addrconf_prefix_rcv_add_addr() local
2625 if (!ifp && valid_lft) { in addrconf_prefix_rcv_add_addr()
2649 ifp = ipv6_add_addr(in6_dev, &cfg, false, NULL); in addrconf_prefix_rcv_add_addr()
2651 if (IS_ERR_OR_NULL(ifp)) in addrconf_prefix_rcv_add_addr()
2655 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2656 ifp->flags |= IFA_F_MANAGETEMPADDR; in addrconf_prefix_rcv_add_addr()
2657 ifp->cstamp = jiffies; in addrconf_prefix_rcv_add_addr()
2658 ifp->tokenized = tokenized; in addrconf_prefix_rcv_add_addr()
2659 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2660 addrconf_dad_start(ifp); in addrconf_prefix_rcv_add_addr()
2663 if (ifp) { in addrconf_prefix_rcv_add_addr()
2669 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2671 if (ifp->valid_lft > (now - ifp->tstamp) / HZ) in addrconf_prefix_rcv_add_addr()
2672 stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ; in addrconf_prefix_rcv_add_addr()
2694 ifp->valid_lft = valid_lft; in addrconf_prefix_rcv_add_addr()
2695 ifp->prefered_lft = prefered_lft; in addrconf_prefix_rcv_add_addr()
2696 ifp->tstamp = now; in addrconf_prefix_rcv_add_addr()
2697 flags = ifp->flags; in addrconf_prefix_rcv_add_addr()
2698 ifp->flags &= ~IFA_F_DEPRECATED; in addrconf_prefix_rcv_add_addr()
2699 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2702 ipv6_ifa_notify(0, ifp); in addrconf_prefix_rcv_add_addr()
2704 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2706 manage_tempaddrs(in6_dev, ifp, valid_lft, prefered_lft, in addrconf_prefix_rcv_add_addr()
2709 in6_ifa_put(ifp); in addrconf_prefix_rcv_add_addr()
2947 struct inet6_ifaddr *ifp; in inet6_addr_add() local
3012 ifp = ipv6_add_addr(idev, cfg, true, extack); in inet6_addr_add()
3013 if (!IS_ERR(ifp)) { in inet6_addr_add()
3015 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_add()
3016 ifp->rt_priority, dev, expires, in inet6_addr_add()
3023 if (!(ifp->flags & (IFA_F_OPTIMISTIC | IFA_F_NODAD))) in inet6_addr_add()
3024 ipv6_ifa_notify(0, ifp); in inet6_addr_add()
3030 addrconf_dad_start(ifp); in inet6_addr_add()
3032 manage_tempaddrs(idev, ifp, cfg->valid_lft, in inet6_addr_add()
3034 in6_ifa_put(ifp); in inet6_addr_add()
3042 return PTR_ERR(ifp); in inet6_addr_add()
3049 struct inet6_ifaddr *ifp; in inet6_addr_del() local
3071 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_addr_del()
3072 if (ifp->prefix_len == plen && in inet6_addr_del()
3073 ipv6_addr_equal(pfx, &ifp->addr)) { in inet6_addr_del()
3074 in6_ifa_hold(ifp); in inet6_addr_del()
3077 if (!(ifp->flags & IFA_F_TEMPORARY) && in inet6_addr_del()
3079 manage_tempaddrs(idev, ifp, 0, 0, false, in inet6_addr_del()
3081 ipv6_del_addr(ifp); in inet6_addr_del()
3143 struct inet6_ifaddr *ifp; in add_addr() local
3154 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in add_addr()
3155 if (!IS_ERR(ifp)) { in add_addr()
3156 spin_lock_bh(&ifp->lock); in add_addr()
3157 ifp->flags &= ~IFA_F_TENTATIVE; in add_addr()
3158 spin_unlock_bh(&ifp->lock); in add_addr()
3160 ipv6_ifa_notify(RTM_NEWADDR, ifp); in add_addr()
3161 in6_ifa_put(ifp); in add_addr()
3258 struct inet6_ifaddr *ifp; in addrconf_add_linklocal() local
3267 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in addrconf_add_linklocal()
3268 if (!IS_ERR(ifp)) { in addrconf_add_linklocal()
3269 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, 0, idev->dev, in addrconf_add_linklocal()
3271 addrconf_dad_start(ifp); in addrconf_add_linklocal()
3272 in6_ifa_put(ifp); in addrconf_add_linklocal()
3528 struct inet6_ifaddr *ifp) in fixup_permanent_addr() argument
3534 if (!ifp->rt || !ifp->rt->fib6_node) { in fixup_permanent_addr()
3537 f6i = addrconf_f6i_alloc(net, idev, &ifp->addr, false, in fixup_permanent_addr()
3542 /* ifp->rt can be accessed outside of rtnl */ in fixup_permanent_addr()
3543 spin_lock(&ifp->lock); in fixup_permanent_addr()
3544 prev = ifp->rt; in fixup_permanent_addr()
3545 ifp->rt = f6i; in fixup_permanent_addr()
3546 spin_unlock(&ifp->lock); in fixup_permanent_addr()
3551 if (!(ifp->flags & IFA_F_NOPREFIXROUTE)) { in fixup_permanent_addr()
3552 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in fixup_permanent_addr()
3553 ifp->rt_priority, idev->dev, 0, 0, in fixup_permanent_addr()
3557 if (ifp->state == INET6_IFADDR_STATE_PREDAD) in fixup_permanent_addr()
3558 addrconf_dad_start(ifp); in fixup_permanent_addr()
3565 struct inet6_ifaddr *ifp, *tmp; in addrconf_permanent_addr() local
3574 list_for_each_entry_safe(ifp, tmp, &idev->addr_list, if_list) { in addrconf_permanent_addr()
3575 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_permanent_addr()
3576 fixup_permanent_addr(net, idev, ifp) < 0) { in addrconf_permanent_addr()
3578 in6_ifa_hold(ifp); in addrconf_permanent_addr()
3579 ipv6_del_addr(ifp); in addrconf_permanent_addr()
3583 idev->dev->name, &ifp->addr); in addrconf_permanent_addr()
4018 static void addrconf_dad_kick(struct inet6_ifaddr *ifp) in addrconf_dad_kick() argument
4021 struct inet6_dev *idev = ifp->idev; in addrconf_dad_kick()
4024 if (ifp->flags & IFA_F_OPTIMISTIC) in addrconf_dad_kick()
4036 ifp->dad_nonce = nonce; in addrconf_dad_kick()
4037 ifp->dad_probes = idev->cnf.dad_transmits; in addrconf_dad_kick()
4038 addrconf_mod_dad_work(ifp, rand_num); in addrconf_dad_kick()
4041 static void addrconf_dad_begin(struct inet6_ifaddr *ifp) in addrconf_dad_begin() argument
4043 struct inet6_dev *idev = ifp->idev; in addrconf_dad_begin()
4048 addrconf_join_solict(dev, &ifp->addr); in addrconf_dad_begin()
4051 spin_lock(&ifp->lock); in addrconf_dad_begin()
4052 if (ifp->state == INET6_IFADDR_STATE_DEAD) in addrconf_dad_begin()
4059 !(ifp->flags&IFA_F_TENTATIVE) || in addrconf_dad_begin()
4060 ifp->flags & IFA_F_NODAD) { in addrconf_dad_begin()
4063 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_begin()
4064 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_begin()
4066 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_begin()
4067 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_begin()
4068 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4071 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_begin()
4076 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4083 in6_ifa_hold(ifp); in addrconf_dad_begin()
4084 addrconf_dad_stop(ifp, 0); in addrconf_dad_begin()
4092 if (ifp->flags & IFA_F_OPTIMISTIC) { in addrconf_dad_begin()
4093 ip6_ins_rt(net, ifp->rt); in addrconf_dad_begin()
4102 addrconf_dad_kick(ifp); in addrconf_dad_begin()
4104 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4107 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_begin()
4110 static void addrconf_dad_start(struct inet6_ifaddr *ifp) in addrconf_dad_start() argument
4114 spin_lock_bh(&ifp->lock); in addrconf_dad_start()
4115 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in addrconf_dad_start()
4116 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_start()
4119 spin_unlock_bh(&ifp->lock); in addrconf_dad_start()
4122 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_start()
4127 struct inet6_ifaddr *ifp = container_of(to_delayed_work(w), in addrconf_dad_work() local
4130 struct inet6_dev *idev = ifp->idev; in addrconf_dad_work()
4142 spin_lock_bh(&ifp->lock); in addrconf_dad_work()
4143 if (ifp->state == INET6_IFADDR_STATE_PREDAD) { in addrconf_dad_work()
4145 ifp->state = INET6_IFADDR_STATE_DAD; in addrconf_dad_work()
4146 } else if (ifp->state == INET6_IFADDR_STATE_ERRDAD) { in addrconf_dad_work()
4148 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_work()
4153 !(ifp->flags & IFA_F_STABLE_PRIVACY)) { in addrconf_dad_work()
4160 ipv6_addr_equal(&ifp->addr, &addr)) { in addrconf_dad_work()
4165 ifp->idev->dev->name); in addrconf_dad_work()
4170 spin_unlock_bh(&ifp->lock); in addrconf_dad_work()
4173 addrconf_dad_begin(ifp); in addrconf_dad_work()
4176 in6_ifa_hold(ifp); in addrconf_dad_work()
4177 addrconf_dad_stop(ifp, 1); in addrconf_dad_work()
4183 if (!ifp->dad_probes && addrconf_dad_end(ifp)) in addrconf_dad_work()
4192 spin_lock(&ifp->lock); in addrconf_dad_work()
4193 if (ifp->state == INET6_IFADDR_STATE_DEAD) { in addrconf_dad_work()
4194 spin_unlock(&ifp->lock); in addrconf_dad_work()
4199 if (ifp->dad_probes == 0) { in addrconf_dad_work()
4206 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_work()
4207 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_work()
4209 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_work()
4210 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_work()
4211 spin_unlock(&ifp->lock); in addrconf_dad_work()
4214 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_work()
4219 ifp->dad_probes--; in addrconf_dad_work()
4220 addrconf_mod_dad_work(ifp, in addrconf_dad_work()
4221 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), in addrconf_dad_work()
4223 spin_unlock(&ifp->lock); in addrconf_dad_work()
4227 addrconf_addr_solict_mult(&ifp->addr, &mcaddr); in addrconf_dad_work()
4228 ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any, in addrconf_dad_work()
4229 ifp->dad_nonce); in addrconf_dad_work()
4231 in6_ifa_put(ifp); in addrconf_dad_work()
4235 /* ifp->idev must be at least read locked */
4236 static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp) in ipv6_lonely_lladdr() argument
4239 struct inet6_dev *idev = ifp->idev; in ipv6_lonely_lladdr()
4244 if (ifp != ifpiter && ifpiter->scope == IFA_LINK && in ipv6_lonely_lladdr()
4253 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id, in addrconf_dad_completed() argument
4256 struct net_device *dev = ifp->idev->dev; in addrconf_dad_completed()
4260 addrconf_del_dad_work(ifp); in addrconf_dad_completed()
4266 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_completed()
4272 read_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4273 send_mld = ifp->scope == IFA_LINK && ipv6_lonely_lladdr(ifp); in addrconf_dad_completed()
4275 ipv6_accept_ra(ifp->idev) && in addrconf_dad_completed()
4276 ifp->idev->cnf.rtr_solicits != 0 && in addrconf_dad_completed()
4280 read_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4286 ipv6_mc_dad_complete(ifp->idev); in addrconf_dad_completed()
4290 (ifp->idev->cnf.ndisc_notify || in addrconf_dad_completed()
4292 ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifp->addr, in addrconf_dad_completed()
4293 /*router=*/ !!ifp->idev->cnf.forwarding, in addrconf_dad_completed()
4308 write_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4309 spin_lock(&ifp->lock); in addrconf_dad_completed()
4310 ifp->idev->rs_interval = rfc3315_s14_backoff_init( in addrconf_dad_completed()
4311 ifp->idev->cnf.rtr_solicit_interval); in addrconf_dad_completed()
4312 ifp->idev->rs_probes = 1; in addrconf_dad_completed()
4313 ifp->idev->if_flags |= IF_RS_SENT; in addrconf_dad_completed()
4314 addrconf_mod_rs_timer(ifp->idev, ifp->idev->rs_interval); in addrconf_dad_completed()
4315 spin_unlock(&ifp->lock); in addrconf_dad_completed()
4316 write_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4325 if (ifp->flags & IFA_F_TEMPORARY) in addrconf_dad_completed()
4331 struct inet6_ifaddr *ifp; in addrconf_dad_run() local
4334 list_for_each_entry(ifp, &idev->addr_list, if_list) { in addrconf_dad_run()
4335 spin_lock(&ifp->lock); in addrconf_dad_run()
4336 if ((ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_run()
4337 ifp->state == INET6_IFADDR_STATE_DAD) || restart) { in addrconf_dad_run()
4339 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_run()
4340 addrconf_dad_kick(ifp); in addrconf_dad_run()
4342 spin_unlock(&ifp->lock); in addrconf_dad_run()
4431 struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v; in if6_seq_show() local
4433 &ifp->addr, in if6_seq_show()
4434 ifp->idev->dev->ifindex, in if6_seq_show()
4435 ifp->prefix_len, in if6_seq_show()
4436 ifp->scope, in if6_seq_show()
4437 (u8) ifp->flags, in if6_seq_show()
4438 ifp->idev->dev->name); in if6_seq_show()
4483 struct inet6_ifaddr *ifp = NULL; in ipv6_chk_home_addr() local
4487 hlist_for_each_entry_rcu(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in ipv6_chk_home_addr()
4488 if (ipv6_addr_equal(&ifp->addr, addr) && in ipv6_chk_home_addr()
4489 (ifp->flags & IFA_F_HOMEADDRESS)) { in ipv6_chk_home_addr()
4514 struct inet6_ifaddr *ifp; in ipv6_chk_rpl_srh_loop() local
4525 hlist_for_each_entry_rcu(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in ipv6_chk_rpl_srh_loop()
4527 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_rpl_srh_loop()
4557 struct inet6_ifaddr *ifp; in addrconf_verify_rtnl() local
4570 hlist_for_each_entry_rcu_bh(ifp, &net->ipv6.inet6_addr_lst[i], addr_lst) { in addrconf_verify_rtnl()
4577 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_verify_rtnl()
4578 (ifp->prefered_lft == INFINITY_LIFE_TIME)) in addrconf_verify_rtnl()
4581 spin_lock(&ifp->lock); in addrconf_verify_rtnl()
4583 age = (now - ifp->tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; in addrconf_verify_rtnl()
4585 if ((ifp->flags&IFA_F_TEMPORARY) && in addrconf_verify_rtnl()
4586 !(ifp->flags&IFA_F_TENTATIVE) && in addrconf_verify_rtnl()
4587 ifp->prefered_lft != INFINITY_LIFE_TIME && in addrconf_verify_rtnl()
4588 !ifp->regen_count && ifp->ifpub) { in addrconf_verify_rtnl()
4591 unsigned long regen_advance = ifp->idev->cnf.regen_max_retry * in addrconf_verify_rtnl()
4592 ifp->idev->cnf.dad_transmits * in addrconf_verify_rtnl()
4593 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), HZ/100) / HZ; in addrconf_verify_rtnl()
4595 if (age + regen_advance >= ifp->prefered_lft) { in addrconf_verify_rtnl()
4596 struct inet6_ifaddr *ifpub = ifp->ifpub; in addrconf_verify_rtnl()
4597 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4598 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4600 ifp->regen_count++; in addrconf_verify_rtnl()
4601 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4603 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4611 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4614 } else if (time_before(ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ, next)) in addrconf_verify_rtnl()
4615 next = ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ; in addrconf_verify_rtnl()
4618 if (ifp->valid_lft != INFINITY_LIFE_TIME && in addrconf_verify_rtnl()
4619 age >= ifp->valid_lft) { in addrconf_verify_rtnl()
4620 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4621 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4623 ipv6_del_addr(ifp); in addrconf_verify_rtnl()
4626 } else if (ifp->prefered_lft == INFINITY_LIFE_TIME) { in addrconf_verify_rtnl()
4627 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4629 } else if (age >= ifp->prefered_lft) { in addrconf_verify_rtnl()
4630 /* jiffies - ifp->tstamp > age >= ifp->prefered_lft */ in addrconf_verify_rtnl()
4633 if (!(ifp->flags&IFA_F_DEPRECATED)) { in addrconf_verify_rtnl()
4635 ifp->flags |= IFA_F_DEPRECATED; in addrconf_verify_rtnl()
4638 if ((ifp->valid_lft != INFINITY_LIFE_TIME) && in addrconf_verify_rtnl()
4639 (time_before(ifp->tstamp + ifp->valid_lft * HZ, next))) in addrconf_verify_rtnl()
4640 next = ifp->tstamp + ifp->valid_lft * HZ; in addrconf_verify_rtnl()
4642 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4645 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4647 ipv6_ifa_notify(0, ifp); in addrconf_verify_rtnl()
4648 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4652 /* ifp->prefered_lft <= ifp->valid_lft */ in addrconf_verify_rtnl()
4653 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4654 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4655 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4751 static int modify_prefix_route(struct inet6_ifaddr *ifp, in modify_prefix_route() argument
4758 f6i = addrconf_get_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4759 ifp->prefix_len, in modify_prefix_route()
4760 ifp->idev->dev, 0, RTF_DEFAULT, true); in modify_prefix_route()
4764 prio = ifp->rt_priority ? : IP6_RT_PRIO_ADDRCONF; in modify_prefix_route()
4767 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in modify_prefix_route()
4770 addrconf_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4771 ifp->prefix_len, in modify_prefix_route()
4772 ifp->rt_priority, ifp->idev->dev, in modify_prefix_route()
4786 static int inet6_addr_modify(struct net *net, struct inet6_ifaddr *ifp, in inet6_addr_modify() argument
4802 (ifp->flags & IFA_F_TEMPORARY || ifp->prefix_len != 64)) in inet6_addr_modify()
4805 if (!(ifp->flags & IFA_F_TENTATIVE) || ifp->flags & IFA_F_DADFAILED) in inet6_addr_modify()
4827 memcmp(&ifp->peer_addr, cfg->peer_pfx, sizeof(struct in6_addr))) { in inet6_addr_modify()
4828 if (!ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4829 cleanup_prefix_route(ifp, expires, true, true); in inet6_addr_modify()
4833 spin_lock_bh(&ifp->lock); in inet6_addr_modify()
4834 was_managetempaddr = ifp->flags & IFA_F_MANAGETEMPADDR; in inet6_addr_modify()
4835 had_prefixroute = ifp->flags & IFA_F_PERMANENT && in inet6_addr_modify()
4836 !(ifp->flags & IFA_F_NOPREFIXROUTE); in inet6_addr_modify()
4837 ifp->flags &= ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | in inet6_addr_modify()
4840 ifp->flags |= cfg->ifa_flags; in inet6_addr_modify()
4841 ifp->tstamp = jiffies; in inet6_addr_modify()
4842 ifp->valid_lft = cfg->valid_lft; in inet6_addr_modify()
4843 ifp->prefered_lft = cfg->preferred_lft; in inet6_addr_modify()
4844 ifp->ifa_proto = cfg->ifa_proto; in inet6_addr_modify()
4846 if (cfg->rt_priority && cfg->rt_priority != ifp->rt_priority) in inet6_addr_modify()
4847 ifp->rt_priority = cfg->rt_priority; in inet6_addr_modify()
4850 ifp->peer_addr = *cfg->peer_pfx; in inet6_addr_modify()
4852 spin_unlock_bh(&ifp->lock); in inet6_addr_modify()
4853 if (!(ifp->flags&IFA_F_TENTATIVE)) in inet6_addr_modify()
4854 ipv6_ifa_notify(0, ifp); in inet6_addr_modify()
4860 rc = modify_prefix_route(ifp, expires, flags, false); in inet6_addr_modify()
4864 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_modify()
4865 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4869 if (had_prefixroute && !ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4870 rc = modify_prefix_route(ifp, expires, flags, true); in inet6_addr_modify()
4872 if (rc == -ENOENT && !ipv6_addr_any(&ifp->peer_addr)) { in inet6_addr_modify()
4873 addrconf_prefix_route(&ifp->peer_addr, ifp->prefix_len, in inet6_addr_modify()
4874 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4881 write_lock_bh(&ifp->idev->lock); in inet6_addr_modify()
4882 action = check_cleanup_prefix_route(ifp, &rt_expires); in inet6_addr_modify()
4883 write_unlock_bh(&ifp->idev->lock); in inet6_addr_modify()
4886 cleanup_prefix_route(ifp, rt_expires, in inet6_addr_modify()
4891 if (was_managetempaddr || ifp->flags & IFA_F_MANAGETEMPADDR) { in inet6_addr_modify()
4893 !(ifp->flags & IFA_F_MANAGETEMPADDR)) { in inet6_addr_modify()
4897 manage_tempaddrs(ifp->idev, ifp, cfg->valid_lft, in inet6_addr_modify()
5814 struct inet6_ifaddr *ifp; in inet6_set_iftoken() local
5880 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_set_iftoken()
5881 spin_lock(&ifp->lock); in inet6_set_iftoken()
5882 if (ifp->tokenized) { in inet6_set_iftoken()
5883 ifp->valid_lft = 0; in inet6_set_iftoken()
5884 ifp->prefered_lft = 0; in inet6_set_iftoken()
5886 spin_unlock(&ifp->lock); in inet6_set_iftoken()
6197 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in __ipv6_ifa_notify() argument
6199 struct net *net = dev_net(ifp->idev->dev); in __ipv6_ifa_notify()
6204 inet6_ifa_notify(event ? : RTM_NEWADDR, ifp); in __ipv6_ifa_notify()
6216 if (ifp->rt && !rcu_access_pointer(ifp->rt->fib6_node)) { in __ipv6_ifa_notify()
6217 ip6_ins_rt(net, ifp->rt); in __ipv6_ifa_notify()
6218 } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) { in __ipv6_ifa_notify()
6220 &ifp->addr, ifp->idev->dev->name); in __ipv6_ifa_notify()
6223 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6224 addrconf_join_anycast(ifp); in __ipv6_ifa_notify()
6225 if (!ipv6_addr_any(&ifp->peer_addr)) in __ipv6_ifa_notify()
6226 addrconf_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6227 ifp->rt_priority, ifp->idev->dev, in __ipv6_ifa_notify()
6231 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6232 addrconf_leave_anycast(ifp); in __ipv6_ifa_notify()
6233 addrconf_leave_solict(ifp->idev, &ifp->addr); in __ipv6_ifa_notify()
6234 if (!ipv6_addr_any(&ifp->peer_addr)) { in __ipv6_ifa_notify()
6237 rt = addrconf_get_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6238 ifp->idev->dev, 0, 0, in __ipv6_ifa_notify()
6243 if (ifp->rt) { in __ipv6_ifa_notify()
6244 ip6_del_rt(net, ifp->rt, false); in __ipv6_ifa_notify()
6245 ifp->rt = NULL; in __ipv6_ifa_notify()
6253 static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in ipv6_ifa_notify() argument
6255 if (likely(ifp->idev->dead == 0)) in ipv6_ifa_notify()
6256 __ipv6_ifa_notify(event, ifp); in ipv6_ifa_notify()