Lines Matching refs:ifp
162 static void addrconf_join_anycast(struct inet6_ifaddr *ifp);
163 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp);
175 static void addrconf_dad_start(struct inet6_ifaddr *ifp);
177 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id,
317 static void addrconf_del_dad_work(struct inet6_ifaddr *ifp) in addrconf_del_dad_work() argument
319 if (cancel_delayed_work(&ifp->dad_work)) in addrconf_del_dad_work()
320 __in6_ifa_put(ifp); in addrconf_del_dad_work()
331 static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp, in addrconf_mod_dad_work() argument
334 in6_ifa_hold(ifp); in addrconf_mod_dad_work()
335 if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay)) in addrconf_mod_dad_work()
336 in6_ifa_put(ifp); in addrconf_mod_dad_work()
958 void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp) in inet6_ifa_finish_destroy() argument
960 WARN_ON(!hlist_unhashed(&ifp->addr_lst)); in inet6_ifa_finish_destroy()
966 in6_dev_put(ifp->idev); in inet6_ifa_finish_destroy()
968 if (cancel_delayed_work(&ifp->dad_work)) in inet6_ifa_finish_destroy()
970 ifp); in inet6_ifa_finish_destroy()
972 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in inet6_ifa_finish_destroy()
973 pr_warn("Freeing alive inet6 address %p\n", ifp); in inet6_ifa_finish_destroy()
977 kfree_rcu(ifp, rcu); in inet6_ifa_finish_destroy()
981 ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) in ipv6_link_dev_addr() argument
984 int ifp_scope = ipv6_addr_src_scope(&ifp->addr); in ipv6_link_dev_addr()
997 list_add_tail_rcu(&ifp->if_list, p); in ipv6_link_dev_addr()
1010 struct inet6_ifaddr *ifp; in ipv6_chk_same_addr() local
1012 hlist_for_each_entry(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_same_addr()
1013 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_same_addr()
1015 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_same_addr()
1016 if (!dev || ifp->idev->dev == dev) in ipv6_chk_same_addr()
1200 check_cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long *expires) in check_cleanup_prefix_route() argument
1203 struct inet6_dev *idev = ifp->idev; in check_cleanup_prefix_route()
1210 if (ifa == ifp) in check_cleanup_prefix_route()
1212 if (ifa->prefix_len != ifp->prefix_len || in check_cleanup_prefix_route()
1213 !ipv6_prefix_equal(&ifa->addr, &ifp->addr, in check_cleanup_prefix_route()
1214 ifp->prefix_len)) in check_cleanup_prefix_route()
1238 cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long expires, in cleanup_prefix_route() argument
1243 f6i = addrconf_get_prefix_route(del_peer ? &ifp->peer_addr : &ifp->addr, in cleanup_prefix_route()
1244 ifp->prefix_len, in cleanup_prefix_route()
1245 ifp->idev->dev, 0, RTF_DEFAULT, true); in cleanup_prefix_route()
1248 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in cleanup_prefix_route()
1260 static void ipv6_del_addr(struct inet6_ifaddr *ifp) in ipv6_del_addr() argument
1268 spin_lock_bh(&ifp->lock); in ipv6_del_addr()
1269 state = ifp->state; in ipv6_del_addr()
1270 ifp->state = INET6_IFADDR_STATE_DEAD; in ipv6_del_addr()
1271 spin_unlock_bh(&ifp->lock); in ipv6_del_addr()
1277 hlist_del_init_rcu(&ifp->addr_lst); in ipv6_del_addr()
1280 write_lock_bh(&ifp->idev->lock); in ipv6_del_addr()
1282 if (ifp->flags&IFA_F_TEMPORARY) { in ipv6_del_addr()
1283 list_del(&ifp->tmp_list); in ipv6_del_addr()
1284 if (ifp->ifpub) { in ipv6_del_addr()
1285 in6_ifa_put(ifp->ifpub); in ipv6_del_addr()
1286 ifp->ifpub = NULL; in ipv6_del_addr()
1288 __in6_ifa_put(ifp); in ipv6_del_addr()
1291 if (ifp->flags & IFA_F_PERMANENT && !(ifp->flags & IFA_F_NOPREFIXROUTE)) in ipv6_del_addr()
1292 action = check_cleanup_prefix_route(ifp, &expires); in ipv6_del_addr()
1294 list_del_rcu(&ifp->if_list); in ipv6_del_addr()
1295 __in6_ifa_put(ifp); in ipv6_del_addr()
1297 write_unlock_bh(&ifp->idev->lock); in ipv6_del_addr()
1299 addrconf_del_dad_work(ifp); in ipv6_del_addr()
1301 ipv6_ifa_notify(RTM_DELADDR, ifp); in ipv6_del_addr()
1303 inet6addr_notifier_call_chain(NETDEV_DOWN, ifp); in ipv6_del_addr()
1306 cleanup_prefix_route(ifp, expires, in ipv6_del_addr()
1311 rt6_remove_prefsrc(ifp); in ipv6_del_addr()
1313 in6_ifa_put(ifp); in ipv6_del_addr()
1316 static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, bool block) in ipv6_create_tempaddr() argument
1318 struct inet6_dev *idev = ifp->idev; in ipv6_create_tempaddr()
1340 spin_lock_bh(&ifp->lock); in ipv6_create_tempaddr()
1341 if (ifp->regen_count++ >= idev->cnf.regen_max_retry) { in ipv6_create_tempaddr()
1343 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1351 in6_ifa_hold(ifp); in ipv6_create_tempaddr()
1352 memcpy(addr.s6_addr, ifp->addr.s6_addr, 8); in ipv6_create_tempaddr()
1355 age = (now - ifp->tstamp) / HZ; in ipv6_create_tempaddr()
1380 cfg.valid_lft = min_t(__u32, ifp->valid_lft, in ipv6_create_tempaddr()
1383 cfg.preferred_lft = min_t(__u32, ifp->prefered_lft, cfg.preferred_lft); in ipv6_create_tempaddr()
1385 cfg.plen = ifp->prefix_len; in ipv6_create_tempaddr()
1386 tmp_tstamp = ifp->tstamp; in ipv6_create_tempaddr()
1387 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1400 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1408 if (ifp->flags & IFA_F_OPTIMISTIC) in ipv6_create_tempaddr()
1416 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1424 ift->ifpub = ifp; in ipv6_create_tempaddr()
1843 struct inet6_ifaddr *ifp; in __ipv6_get_lladdr() local
1846 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in __ipv6_get_lladdr()
1847 if (ifp->scope > IFA_LINK) in __ipv6_get_lladdr()
1849 if (ifp->scope == IFA_LINK && in __ipv6_get_lladdr()
1850 !(ifp->flags & banned_flags)) { in __ipv6_get_lladdr()
1851 *addr = ifp->addr; in __ipv6_get_lladdr()
1878 const struct inet6_ifaddr *ifp; in ipv6_count_addresses() local
1882 list_for_each_entry_rcu(ifp, &idev->addr_list, if_list) in ipv6_count_addresses()
1912 struct inet6_ifaddr *ifp; in __ipv6_chk_addr_and_flags() local
1921 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in __ipv6_chk_addr_and_flags()
1922 ndev = ifp->idev->dev; in __ipv6_chk_addr_and_flags()
1932 ifp_flags = (ifp->flags&IFA_F_OPTIMISTIC) in __ipv6_chk_addr_and_flags()
1933 ? (ifp->flags&~IFA_F_TENTATIVE) in __ipv6_chk_addr_and_flags()
1934 : ifp->flags; in __ipv6_chk_addr_and_flags()
1935 if (ipv6_addr_equal(&ifp->addr, addr) && in __ipv6_chk_addr_and_flags()
1938 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict))) { in __ipv6_chk_addr_and_flags()
2025 struct inet6_ifaddr *ifp, *result = NULL; in ipv6_get_ifaddr() local
2028 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_get_ifaddr()
2029 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_get_ifaddr()
2031 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_get_ifaddr()
2032 if (!dev || ifp->idev->dev == dev || in ipv6_get_ifaddr()
2033 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) { in ipv6_get_ifaddr()
2034 result = ifp; in ipv6_get_ifaddr()
2035 in6_ifa_hold(ifp); in ipv6_get_ifaddr()
2047 static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed) in addrconf_dad_stop() argument
2050 ifp->flags |= IFA_F_DADFAILED; in addrconf_dad_stop()
2052 if (ifp->flags&IFA_F_TEMPORARY) { in addrconf_dad_stop()
2054 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2055 ifpub = ifp->ifpub; in addrconf_dad_stop()
2058 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2062 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2064 ipv6_del_addr(ifp); in addrconf_dad_stop()
2065 } else if (ifp->flags&IFA_F_PERMANENT || !dad_failed) { in addrconf_dad_stop()
2066 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2067 addrconf_del_dad_work(ifp); in addrconf_dad_stop()
2068 ifp->flags |= IFA_F_TENTATIVE; in addrconf_dad_stop()
2070 ifp->flags &= ~IFA_F_OPTIMISTIC; in addrconf_dad_stop()
2071 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2073 ipv6_ifa_notify(0, ifp); in addrconf_dad_stop()
2074 in6_ifa_put(ifp); in addrconf_dad_stop()
2076 ipv6_del_addr(ifp); in addrconf_dad_stop()
2080 static int addrconf_dad_end(struct inet6_ifaddr *ifp) in addrconf_dad_end() argument
2084 spin_lock_bh(&ifp->lock); in addrconf_dad_end()
2085 if (ifp->state == INET6_IFADDR_STATE_DAD) { in addrconf_dad_end()
2086 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_end()
2089 spin_unlock_bh(&ifp->lock); in addrconf_dad_end()
2094 void addrconf_dad_failure(struct sk_buff *skb, struct inet6_ifaddr *ifp) in addrconf_dad_failure() argument
2096 struct inet6_dev *idev = ifp->idev; in addrconf_dad_failure()
2097 struct net *net = dev_net(ifp->idev->dev); in addrconf_dad_failure()
2099 if (addrconf_dad_end(ifp)) { in addrconf_dad_failure()
2100 in6_ifa_put(ifp); in addrconf_dad_failure()
2105 ifp->idev->dev->name, &ifp->addr, eth_hdr(skb)->h_source); in addrconf_dad_failure()
2107 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2109 if (ifp->flags & IFA_F_STABLE_PRIVACY) { in addrconf_dad_failure()
2112 int retries = ifp->stable_privacy_retry + 1; in addrconf_dad_failure()
2115 .plen = ifp->prefix_len, in addrconf_dad_failure()
2116 .ifa_flags = ifp->flags, in addrconf_dad_failure()
2117 .valid_lft = ifp->valid_lft, in addrconf_dad_failure()
2118 .preferred_lft = ifp->prefered_lft, in addrconf_dad_failure()
2119 .scope = ifp->scope, in addrconf_dad_failure()
2124 ifp->idev->dev->name); in addrconf_dad_failure()
2128 new_addr = ifp->addr; in addrconf_dad_failure()
2133 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2141 ifp->idev->dev->name); in addrconf_dad_failure()
2155 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2160 ifp->state = INET6_IFADDR_STATE_ERRDAD; in addrconf_dad_failure()
2161 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2163 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_failure()
2164 in6_ifa_put(ifp); in addrconf_dad_failure()
2193 static void addrconf_join_anycast(struct inet6_ifaddr *ifp) in addrconf_join_anycast() argument
2197 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_join_anycast()
2199 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_join_anycast()
2202 __ipv6_dev_ac_inc(ifp->idev, &addr); in addrconf_join_anycast()
2206 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) in addrconf_leave_anycast() argument
2210 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_leave_anycast()
2212 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_leave_anycast()
2215 __ipv6_dev_ac_dec(ifp->idev, &addr); in addrconf_leave_anycast()
2340 struct inet6_ifaddr *ifp; in ipv6_inherit_eui64() local
2343 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in ipv6_inherit_eui64()
2344 if (ifp->scope > IFA_LINK) in ipv6_inherit_eui64()
2346 if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) { in ipv6_inherit_eui64()
2347 memcpy(eui, ifp->addr.s6_addr+8, 8); in ipv6_inherit_eui64()
2510 struct inet6_ifaddr *ifp, in manage_tempaddrs() argument
2522 if (ifp != ift->ifpub) in manage_tempaddrs()
2570 ipv6_create_tempaddr(ifp, false); in manage_tempaddrs()
2589 struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1); in addrconf_prefix_rcv_add_addr() local
2592 if (!ifp && valid_lft) { in addrconf_prefix_rcv_add_addr()
2615 ifp = ipv6_add_addr(in6_dev, &cfg, false, NULL); in addrconf_prefix_rcv_add_addr()
2617 if (IS_ERR_OR_NULL(ifp)) in addrconf_prefix_rcv_add_addr()
2621 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2622 ifp->flags |= IFA_F_MANAGETEMPADDR; in addrconf_prefix_rcv_add_addr()
2623 ifp->cstamp = jiffies; in addrconf_prefix_rcv_add_addr()
2624 ifp->tokenized = tokenized; in addrconf_prefix_rcv_add_addr()
2625 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2626 addrconf_dad_start(ifp); in addrconf_prefix_rcv_add_addr()
2629 if (ifp) { in addrconf_prefix_rcv_add_addr()
2639 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2641 if (ifp->valid_lft > (now - ifp->tstamp) / HZ) in addrconf_prefix_rcv_add_addr()
2642 stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ; in addrconf_prefix_rcv_add_addr()
2647 ifp->valid_lft = valid_lft; in addrconf_prefix_rcv_add_addr()
2648 ifp->prefered_lft = prefered_lft; in addrconf_prefix_rcv_add_addr()
2649 ifp->tstamp = now; in addrconf_prefix_rcv_add_addr()
2650 flags = ifp->flags; in addrconf_prefix_rcv_add_addr()
2651 ifp->flags &= ~IFA_F_DEPRECATED; in addrconf_prefix_rcv_add_addr()
2652 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2655 ipv6_ifa_notify(0, ifp); in addrconf_prefix_rcv_add_addr()
2657 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2659 manage_tempaddrs(in6_dev, ifp, valid_lft, prefered_lft, in addrconf_prefix_rcv_add_addr()
2662 in6_ifa_put(ifp); in addrconf_prefix_rcv_add_addr()
2897 struct inet6_ifaddr *ifp; in inet6_addr_add() local
2952 ifp = ipv6_add_addr(idev, cfg, true, extack); in inet6_addr_add()
2953 if (!IS_ERR(ifp)) { in inet6_addr_add()
2955 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_add()
2956 ifp->rt_priority, dev, expires, in inet6_addr_add()
2963 if (!(ifp->flags & (IFA_F_OPTIMISTIC | IFA_F_NODAD))) in inet6_addr_add()
2964 ipv6_ifa_notify(0, ifp); in inet6_addr_add()
2970 addrconf_dad_start(ifp); in inet6_addr_add()
2972 manage_tempaddrs(idev, ifp, cfg->valid_lft, in inet6_addr_add()
2974 in6_ifa_put(ifp); in inet6_addr_add()
2982 return PTR_ERR(ifp); in inet6_addr_add()
2988 struct inet6_ifaddr *ifp; in inet6_addr_del() local
3004 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_addr_del()
3005 if (ifp->prefix_len == plen && in inet6_addr_del()
3006 ipv6_addr_equal(pfx, &ifp->addr)) { in inet6_addr_del()
3007 in6_ifa_hold(ifp); in inet6_addr_del()
3010 if (!(ifp->flags & IFA_F_TEMPORARY) && in inet6_addr_del()
3012 manage_tempaddrs(idev, ifp, 0, 0, false, in inet6_addr_del()
3014 ipv6_del_addr(ifp); in inet6_addr_del()
3074 struct inet6_ifaddr *ifp; in add_addr() local
3084 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in add_addr()
3085 if (!IS_ERR(ifp)) { in add_addr()
3086 spin_lock_bh(&ifp->lock); in add_addr()
3087 ifp->flags &= ~IFA_F_TENTATIVE; in add_addr()
3088 spin_unlock_bh(&ifp->lock); in add_addr()
3090 ipv6_ifa_notify(RTM_NEWADDR, ifp); in add_addr()
3091 in6_ifa_put(ifp); in add_addr()
3183 struct inet6_ifaddr *ifp; in addrconf_add_linklocal() local
3192 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in addrconf_add_linklocal()
3193 if (!IS_ERR(ifp)) { in addrconf_add_linklocal()
3194 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, 0, idev->dev, in addrconf_add_linklocal()
3196 addrconf_dad_start(ifp); in addrconf_add_linklocal()
3197 in6_ifa_put(ifp); in addrconf_add_linklocal()
3429 struct inet6_ifaddr *ifp) in fixup_permanent_addr() argument
3435 if (!ifp->rt || !ifp->rt->fib6_node) { in fixup_permanent_addr()
3438 f6i = addrconf_f6i_alloc(net, idev, &ifp->addr, false, in fixup_permanent_addr()
3444 spin_lock(&ifp->lock); in fixup_permanent_addr()
3445 prev = ifp->rt; in fixup_permanent_addr()
3446 ifp->rt = f6i; in fixup_permanent_addr()
3447 spin_unlock(&ifp->lock); in fixup_permanent_addr()
3452 if (!(ifp->flags & IFA_F_NOPREFIXROUTE)) { in fixup_permanent_addr()
3453 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in fixup_permanent_addr()
3454 ifp->rt_priority, idev->dev, 0, 0, in fixup_permanent_addr()
3458 if (ifp->state == INET6_IFADDR_STATE_PREDAD) in fixup_permanent_addr()
3459 addrconf_dad_start(ifp); in fixup_permanent_addr()
3466 struct inet6_ifaddr *ifp, *tmp; in addrconf_permanent_addr() local
3475 list_for_each_entry_safe(ifp, tmp, &idev->addr_list, if_list) { in addrconf_permanent_addr()
3476 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_permanent_addr()
3477 fixup_permanent_addr(net, idev, ifp) < 0) { in addrconf_permanent_addr()
3479 in6_ifa_hold(ifp); in addrconf_permanent_addr()
3480 ipv6_del_addr(ifp); in addrconf_permanent_addr()
3484 idev->dev->name, &ifp->addr); in addrconf_permanent_addr()
3923 static void addrconf_dad_kick(struct inet6_ifaddr *ifp) in addrconf_dad_kick() argument
3926 struct inet6_dev *idev = ifp->idev; in addrconf_dad_kick()
3929 if (ifp->flags & IFA_F_OPTIMISTIC) in addrconf_dad_kick()
3941 ifp->dad_nonce = nonce; in addrconf_dad_kick()
3942 ifp->dad_probes = idev->cnf.dad_transmits; in addrconf_dad_kick()
3943 addrconf_mod_dad_work(ifp, rand_num); in addrconf_dad_kick()
3946 static void addrconf_dad_begin(struct inet6_ifaddr *ifp) in addrconf_dad_begin() argument
3948 struct inet6_dev *idev = ifp->idev; in addrconf_dad_begin()
3953 addrconf_join_solict(dev, &ifp->addr); in addrconf_dad_begin()
3955 prandom_seed((__force u32) ifp->addr.s6_addr32[3]); in addrconf_dad_begin()
3958 spin_lock(&ifp->lock); in addrconf_dad_begin()
3959 if (ifp->state == INET6_IFADDR_STATE_DEAD) in addrconf_dad_begin()
3966 !(ifp->flags&IFA_F_TENTATIVE) || in addrconf_dad_begin()
3967 ifp->flags & IFA_F_NODAD) { in addrconf_dad_begin()
3970 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_begin()
3971 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_begin()
3973 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_begin()
3974 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_begin()
3975 spin_unlock(&ifp->lock); in addrconf_dad_begin()
3978 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_begin()
3983 spin_unlock(&ifp->lock); in addrconf_dad_begin()
3990 in6_ifa_hold(ifp); in addrconf_dad_begin()
3991 addrconf_dad_stop(ifp, 0); in addrconf_dad_begin()
3999 if (ifp->flags & IFA_F_OPTIMISTIC) { in addrconf_dad_begin()
4000 ip6_ins_rt(net, ifp->rt); in addrconf_dad_begin()
4009 addrconf_dad_kick(ifp); in addrconf_dad_begin()
4011 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4014 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_begin()
4017 static void addrconf_dad_start(struct inet6_ifaddr *ifp) in addrconf_dad_start() argument
4021 spin_lock_bh(&ifp->lock); in addrconf_dad_start()
4022 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in addrconf_dad_start()
4023 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_start()
4026 spin_unlock_bh(&ifp->lock); in addrconf_dad_start()
4029 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_start()
4034 struct inet6_ifaddr *ifp = container_of(to_delayed_work(w), in addrconf_dad_work() local
4037 struct inet6_dev *idev = ifp->idev; in addrconf_dad_work()
4049 spin_lock_bh(&ifp->lock); in addrconf_dad_work()
4050 if (ifp->state == INET6_IFADDR_STATE_PREDAD) { in addrconf_dad_work()
4052 ifp->state = INET6_IFADDR_STATE_DAD; in addrconf_dad_work()
4053 } else if (ifp->state == INET6_IFADDR_STATE_ERRDAD) { in addrconf_dad_work()
4055 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_work()
4060 !(ifp->flags & IFA_F_STABLE_PRIVACY)) { in addrconf_dad_work()
4067 ipv6_addr_equal(&ifp->addr, &addr)) { in addrconf_dad_work()
4072 ifp->idev->dev->name); in addrconf_dad_work()
4077 spin_unlock_bh(&ifp->lock); in addrconf_dad_work()
4080 addrconf_dad_begin(ifp); in addrconf_dad_work()
4083 in6_ifa_hold(ifp); in addrconf_dad_work()
4084 addrconf_dad_stop(ifp, 1); in addrconf_dad_work()
4090 if (!ifp->dad_probes && addrconf_dad_end(ifp)) in addrconf_dad_work()
4099 spin_lock(&ifp->lock); in addrconf_dad_work()
4100 if (ifp->state == INET6_IFADDR_STATE_DEAD) { in addrconf_dad_work()
4101 spin_unlock(&ifp->lock); in addrconf_dad_work()
4106 if (ifp->dad_probes == 0) { in addrconf_dad_work()
4113 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_work()
4114 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_work()
4116 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_work()
4117 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_work()
4118 spin_unlock(&ifp->lock); in addrconf_dad_work()
4121 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_work()
4126 ifp->dad_probes--; in addrconf_dad_work()
4127 addrconf_mod_dad_work(ifp, in addrconf_dad_work()
4128 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), in addrconf_dad_work()
4130 spin_unlock(&ifp->lock); in addrconf_dad_work()
4134 addrconf_addr_solict_mult(&ifp->addr, &mcaddr); in addrconf_dad_work()
4135 ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any, in addrconf_dad_work()
4136 ifp->dad_nonce); in addrconf_dad_work()
4138 in6_ifa_put(ifp); in addrconf_dad_work()
4143 static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp) in ipv6_lonely_lladdr() argument
4146 struct inet6_dev *idev = ifp->idev; in ipv6_lonely_lladdr()
4151 if (ifp != ifpiter && ifpiter->scope == IFA_LINK && in ipv6_lonely_lladdr()
4160 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id, in addrconf_dad_completed() argument
4163 struct net_device *dev = ifp->idev->dev; in addrconf_dad_completed()
4167 addrconf_del_dad_work(ifp); in addrconf_dad_completed()
4173 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_completed()
4179 read_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4180 send_mld = ifp->scope == IFA_LINK && ipv6_lonely_lladdr(ifp); in addrconf_dad_completed()
4182 ipv6_accept_ra(ifp->idev) && in addrconf_dad_completed()
4183 ifp->idev->cnf.rtr_solicits != 0 && in addrconf_dad_completed()
4185 read_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4191 ipv6_mc_dad_complete(ifp->idev); in addrconf_dad_completed()
4195 (ifp->idev->cnf.ndisc_notify || in addrconf_dad_completed()
4197 ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifp->addr, in addrconf_dad_completed()
4198 /*router=*/ !!ifp->idev->cnf.forwarding, in addrconf_dad_completed()
4213 write_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4214 spin_lock(&ifp->lock); in addrconf_dad_completed()
4215 ifp->idev->rs_interval = rfc3315_s14_backoff_init( in addrconf_dad_completed()
4216 ifp->idev->cnf.rtr_solicit_interval); in addrconf_dad_completed()
4217 ifp->idev->rs_probes = 1; in addrconf_dad_completed()
4218 ifp->idev->if_flags |= IF_RS_SENT; in addrconf_dad_completed()
4219 addrconf_mod_rs_timer(ifp->idev, ifp->idev->rs_interval); in addrconf_dad_completed()
4220 spin_unlock(&ifp->lock); in addrconf_dad_completed()
4221 write_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4230 if (ifp->flags & IFA_F_TEMPORARY) in addrconf_dad_completed()
4236 struct inet6_ifaddr *ifp; in addrconf_dad_run() local
4239 list_for_each_entry(ifp, &idev->addr_list, if_list) { in addrconf_dad_run()
4240 spin_lock(&ifp->lock); in addrconf_dad_run()
4241 if ((ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_run()
4242 ifp->state == INET6_IFADDR_STATE_DAD) || restart) { in addrconf_dad_run()
4244 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_run()
4245 addrconf_dad_kick(ifp); in addrconf_dad_run()
4247 spin_unlock(&ifp->lock); in addrconf_dad_run()
4342 struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v; in if6_seq_show() local
4344 &ifp->addr, in if6_seq_show()
4345 ifp->idev->dev->ifindex, in if6_seq_show()
4346 ifp->prefix_len, in if6_seq_show()
4347 ifp->scope, in if6_seq_show()
4348 (u8) ifp->flags, in if6_seq_show()
4349 ifp->idev->dev->name); in if6_seq_show()
4394 struct inet6_ifaddr *ifp = NULL; in ipv6_chk_home_addr() local
4398 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_home_addr()
4399 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_home_addr()
4401 if (ipv6_addr_equal(&ifp->addr, addr) && in ipv6_chk_home_addr()
4402 (ifp->flags & IFA_F_HOMEADDRESS)) { in ipv6_chk_home_addr()
4427 struct inet6_ifaddr *ifp; in ipv6_chk_rpl_srh_loop() local
4438 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_rpl_srh_loop()
4439 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_rpl_srh_loop()
4442 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_rpl_srh_loop()
4472 struct inet6_ifaddr *ifp; in addrconf_verify_rtnl() local
4485 hlist_for_each_entry_rcu_bh(ifp, &inet6_addr_lst[i], addr_lst) { in addrconf_verify_rtnl()
4492 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_verify_rtnl()
4493 (ifp->prefered_lft == INFINITY_LIFE_TIME)) in addrconf_verify_rtnl()
4496 spin_lock(&ifp->lock); in addrconf_verify_rtnl()
4498 age = (now - ifp->tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; in addrconf_verify_rtnl()
4500 if (ifp->valid_lft != INFINITY_LIFE_TIME && in addrconf_verify_rtnl()
4501 age >= ifp->valid_lft) { in addrconf_verify_rtnl()
4502 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4503 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4505 ipv6_del_addr(ifp); in addrconf_verify_rtnl()
4508 } else if (ifp->prefered_lft == INFINITY_LIFE_TIME) { in addrconf_verify_rtnl()
4509 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4511 } else if (age >= ifp->prefered_lft) { in addrconf_verify_rtnl()
4515 if (!(ifp->flags&IFA_F_DEPRECATED)) { in addrconf_verify_rtnl()
4517 ifp->flags |= IFA_F_DEPRECATED; in addrconf_verify_rtnl()
4520 if ((ifp->valid_lft != INFINITY_LIFE_TIME) && in addrconf_verify_rtnl()
4521 (time_before(ifp->tstamp + ifp->valid_lft * HZ, next))) in addrconf_verify_rtnl()
4522 next = ifp->tstamp + ifp->valid_lft * HZ; in addrconf_verify_rtnl()
4524 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4527 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4529 ipv6_ifa_notify(0, ifp); in addrconf_verify_rtnl()
4530 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4533 } else if ((ifp->flags&IFA_F_TEMPORARY) && in addrconf_verify_rtnl()
4534 !(ifp->flags&IFA_F_TENTATIVE)) { in addrconf_verify_rtnl()
4535 unsigned long regen_advance = ifp->idev->cnf.regen_max_retry * in addrconf_verify_rtnl()
4536 ifp->idev->cnf.dad_transmits * in addrconf_verify_rtnl()
4537 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), HZ/100) / HZ; in addrconf_verify_rtnl()
4539 if (age >= ifp->prefered_lft - regen_advance) { in addrconf_verify_rtnl()
4540 struct inet6_ifaddr *ifpub = ifp->ifpub; in addrconf_verify_rtnl()
4541 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4542 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4543 if (!ifp->regen_count && ifpub) { in addrconf_verify_rtnl()
4544 ifp->regen_count++; in addrconf_verify_rtnl()
4545 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4547 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4555 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4559 } else if (time_before(ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ, next)) in addrconf_verify_rtnl()
4560 next = ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ; in addrconf_verify_rtnl()
4561 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4564 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4565 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4566 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4658 static int modify_prefix_route(struct inet6_ifaddr *ifp, in modify_prefix_route() argument
4665 f6i = addrconf_get_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4666 ifp->prefix_len, in modify_prefix_route()
4667 ifp->idev->dev, 0, RTF_DEFAULT, true); in modify_prefix_route()
4671 prio = ifp->rt_priority ? : IP6_RT_PRIO_ADDRCONF; in modify_prefix_route()
4674 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in modify_prefix_route()
4677 addrconf_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4678 ifp->prefix_len, in modify_prefix_route()
4679 ifp->rt_priority, ifp->idev->dev, in modify_prefix_route()
4693 static int inet6_addr_modify(struct inet6_ifaddr *ifp, struct ifa6_config *cfg) in inet6_addr_modify() argument
4708 (ifp->flags & IFA_F_TEMPORARY || ifp->prefix_len != 64)) in inet6_addr_modify()
4711 if (!(ifp->flags & IFA_F_TENTATIVE) || ifp->flags & IFA_F_DADFAILED) in inet6_addr_modify()
4733 memcmp(&ifp->peer_addr, cfg->peer_pfx, sizeof(struct in6_addr))) { in inet6_addr_modify()
4734 if (!ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4735 cleanup_prefix_route(ifp, expires, true, true); in inet6_addr_modify()
4739 spin_lock_bh(&ifp->lock); in inet6_addr_modify()
4740 was_managetempaddr = ifp->flags & IFA_F_MANAGETEMPADDR; in inet6_addr_modify()
4741 had_prefixroute = ifp->flags & IFA_F_PERMANENT && in inet6_addr_modify()
4742 !(ifp->flags & IFA_F_NOPREFIXROUTE); in inet6_addr_modify()
4743 ifp->flags &= ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | in inet6_addr_modify()
4746 ifp->flags |= cfg->ifa_flags; in inet6_addr_modify()
4747 ifp->tstamp = jiffies; in inet6_addr_modify()
4748 ifp->valid_lft = cfg->valid_lft; in inet6_addr_modify()
4749 ifp->prefered_lft = cfg->preferred_lft; in inet6_addr_modify()
4751 if (cfg->rt_priority && cfg->rt_priority != ifp->rt_priority) in inet6_addr_modify()
4752 ifp->rt_priority = cfg->rt_priority; in inet6_addr_modify()
4755 ifp->peer_addr = *cfg->peer_pfx; in inet6_addr_modify()
4757 spin_unlock_bh(&ifp->lock); in inet6_addr_modify()
4758 if (!(ifp->flags&IFA_F_TENTATIVE)) in inet6_addr_modify()
4759 ipv6_ifa_notify(0, ifp); in inet6_addr_modify()
4765 rc = modify_prefix_route(ifp, expires, flags, false); in inet6_addr_modify()
4769 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_modify()
4770 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4774 if (had_prefixroute && !ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4775 rc = modify_prefix_route(ifp, expires, flags, true); in inet6_addr_modify()
4777 if (rc == -ENOENT && !ipv6_addr_any(&ifp->peer_addr)) { in inet6_addr_modify()
4778 addrconf_prefix_route(&ifp->peer_addr, ifp->prefix_len, in inet6_addr_modify()
4779 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4786 write_lock_bh(&ifp->idev->lock); in inet6_addr_modify()
4787 action = check_cleanup_prefix_route(ifp, &rt_expires); in inet6_addr_modify()
4788 write_unlock_bh(&ifp->idev->lock); in inet6_addr_modify()
4791 cleanup_prefix_route(ifp, rt_expires, in inet6_addr_modify()
4796 if (was_managetempaddr || ifp->flags & IFA_F_MANAGETEMPADDR) { in inet6_addr_modify()
4798 !(ifp->flags & IFA_F_MANAGETEMPADDR)) { in inet6_addr_modify()
4802 manage_tempaddrs(ifp->idev, ifp, cfg->valid_lft, in inet6_addr_modify()
5701 struct inet6_ifaddr *ifp; in inet6_set_iftoken() local
5767 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_set_iftoken()
5768 spin_lock(&ifp->lock); in inet6_set_iftoken()
5769 if (ifp->tokenized) { in inet6_set_iftoken()
5770 ifp->valid_lft = 0; in inet6_set_iftoken()
5771 ifp->prefered_lft = 0; in inet6_set_iftoken()
5773 spin_unlock(&ifp->lock); in inet6_set_iftoken()
6088 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in __ipv6_ifa_notify() argument
6090 struct net *net = dev_net(ifp->idev->dev); in __ipv6_ifa_notify()
6095 inet6_ifa_notify(event ? : RTM_NEWADDR, ifp); in __ipv6_ifa_notify()
6107 if (ifp->rt && !rcu_access_pointer(ifp->rt->fib6_node)) { in __ipv6_ifa_notify()
6108 ip6_ins_rt(net, ifp->rt); in __ipv6_ifa_notify()
6109 } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) { in __ipv6_ifa_notify()
6111 &ifp->addr, ifp->idev->dev->name); in __ipv6_ifa_notify()
6114 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6115 addrconf_join_anycast(ifp); in __ipv6_ifa_notify()
6116 if (!ipv6_addr_any(&ifp->peer_addr)) in __ipv6_ifa_notify()
6117 addrconf_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6118 ifp->rt_priority, ifp->idev->dev, in __ipv6_ifa_notify()
6122 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6123 addrconf_leave_anycast(ifp); in __ipv6_ifa_notify()
6124 addrconf_leave_solict(ifp->idev, &ifp->addr); in __ipv6_ifa_notify()
6125 if (!ipv6_addr_any(&ifp->peer_addr)) { in __ipv6_ifa_notify()
6128 rt = addrconf_get_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6129 ifp->idev->dev, 0, 0, in __ipv6_ifa_notify()
6134 if (ifp->rt) { in __ipv6_ifa_notify()
6135 ip6_del_rt(net, ifp->rt, false); in __ipv6_ifa_notify()
6136 ifp->rt = NULL; in __ipv6_ifa_notify()
6144 static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in ipv6_ifa_notify() argument
6146 if (likely(ifp->idev->dead == 0)) in ipv6_ifa_notify()
6147 __ipv6_ifa_notify(event, ifp); in ipv6_ifa_notify()