Lines Matching refs:ifp
161 static void addrconf_join_anycast(struct inet6_ifaddr *ifp);
162 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp);
174 static void addrconf_dad_start(struct inet6_ifaddr *ifp);
176 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id,
308 static void addrconf_del_dad_work(struct inet6_ifaddr *ifp) in addrconf_del_dad_work() argument
310 if (cancel_delayed_work(&ifp->dad_work)) in addrconf_del_dad_work()
311 __in6_ifa_put(ifp); in addrconf_del_dad_work()
322 static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp, in addrconf_mod_dad_work() argument
325 in6_ifa_hold(ifp); in addrconf_mod_dad_work()
326 if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay)) in addrconf_mod_dad_work()
327 in6_ifa_put(ifp); in addrconf_mod_dad_work()
949 void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp) in inet6_ifa_finish_destroy() argument
951 WARN_ON(!hlist_unhashed(&ifp->addr_lst)); in inet6_ifa_finish_destroy()
957 in6_dev_put(ifp->idev); in inet6_ifa_finish_destroy()
959 if (cancel_delayed_work(&ifp->dad_work)) in inet6_ifa_finish_destroy()
961 ifp); in inet6_ifa_finish_destroy()
963 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in inet6_ifa_finish_destroy()
964 pr_warn("Freeing alive inet6 address %p\n", ifp); in inet6_ifa_finish_destroy()
968 kfree_rcu(ifp, rcu); in inet6_ifa_finish_destroy()
972 ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) in ipv6_link_dev_addr() argument
975 int ifp_scope = ipv6_addr_src_scope(&ifp->addr); in ipv6_link_dev_addr()
988 list_add_tail_rcu(&ifp->if_list, p); in ipv6_link_dev_addr()
1001 struct inet6_ifaddr *ifp; in ipv6_chk_same_addr() local
1003 hlist_for_each_entry(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_same_addr()
1004 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_same_addr()
1006 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_same_addr()
1007 if (!dev || ifp->idev->dev == dev) in ipv6_chk_same_addr()
1191 check_cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long *expires) in check_cleanup_prefix_route() argument
1194 struct inet6_dev *idev = ifp->idev; in check_cleanup_prefix_route()
1201 if (ifa == ifp) in check_cleanup_prefix_route()
1203 if (ifa->prefix_len != ifp->prefix_len || in check_cleanup_prefix_route()
1204 !ipv6_prefix_equal(&ifa->addr, &ifp->addr, in check_cleanup_prefix_route()
1205 ifp->prefix_len)) in check_cleanup_prefix_route()
1229 cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long expires, in cleanup_prefix_route() argument
1234 f6i = addrconf_get_prefix_route(del_peer ? &ifp->peer_addr : &ifp->addr, in cleanup_prefix_route()
1235 ifp->prefix_len, in cleanup_prefix_route()
1236 ifp->idev->dev, 0, RTF_DEFAULT, true); in cleanup_prefix_route()
1239 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in cleanup_prefix_route()
1251 static void ipv6_del_addr(struct inet6_ifaddr *ifp) in ipv6_del_addr() argument
1259 spin_lock_bh(&ifp->lock); in ipv6_del_addr()
1260 state = ifp->state; in ipv6_del_addr()
1261 ifp->state = INET6_IFADDR_STATE_DEAD; in ipv6_del_addr()
1262 spin_unlock_bh(&ifp->lock); in ipv6_del_addr()
1268 hlist_del_init_rcu(&ifp->addr_lst); in ipv6_del_addr()
1271 write_lock_bh(&ifp->idev->lock); in ipv6_del_addr()
1273 if (ifp->flags&IFA_F_TEMPORARY) { in ipv6_del_addr()
1274 list_del(&ifp->tmp_list); in ipv6_del_addr()
1275 if (ifp->ifpub) { in ipv6_del_addr()
1276 in6_ifa_put(ifp->ifpub); in ipv6_del_addr()
1277 ifp->ifpub = NULL; in ipv6_del_addr()
1279 __in6_ifa_put(ifp); in ipv6_del_addr()
1282 if (ifp->flags & IFA_F_PERMANENT && !(ifp->flags & IFA_F_NOPREFIXROUTE)) in ipv6_del_addr()
1283 action = check_cleanup_prefix_route(ifp, &expires); in ipv6_del_addr()
1285 list_del_rcu(&ifp->if_list); in ipv6_del_addr()
1286 __in6_ifa_put(ifp); in ipv6_del_addr()
1288 write_unlock_bh(&ifp->idev->lock); in ipv6_del_addr()
1290 addrconf_del_dad_work(ifp); in ipv6_del_addr()
1292 ipv6_ifa_notify(RTM_DELADDR, ifp); in ipv6_del_addr()
1294 inet6addr_notifier_call_chain(NETDEV_DOWN, ifp); in ipv6_del_addr()
1297 cleanup_prefix_route(ifp, expires, in ipv6_del_addr()
1302 rt6_remove_prefsrc(ifp); in ipv6_del_addr()
1304 in6_ifa_put(ifp); in ipv6_del_addr()
1307 static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, bool block) in ipv6_create_tempaddr() argument
1309 struct inet6_dev *idev = ifp->idev; in ipv6_create_tempaddr()
1331 spin_lock_bh(&ifp->lock); in ipv6_create_tempaddr()
1332 if (ifp->regen_count++ >= idev->cnf.regen_max_retry) { in ipv6_create_tempaddr()
1334 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1342 in6_ifa_hold(ifp); in ipv6_create_tempaddr()
1343 memcpy(addr.s6_addr, ifp->addr.s6_addr, 8); in ipv6_create_tempaddr()
1346 age = (now - ifp->tstamp) / HZ; in ipv6_create_tempaddr()
1371 cfg.valid_lft = min_t(__u32, ifp->valid_lft, in ipv6_create_tempaddr()
1374 cfg.preferred_lft = min_t(__u32, ifp->prefered_lft, cfg.preferred_lft); in ipv6_create_tempaddr()
1376 cfg.plen = ifp->prefix_len; in ipv6_create_tempaddr()
1377 tmp_tstamp = ifp->tstamp; in ipv6_create_tempaddr()
1378 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1391 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1399 if (ifp->flags & IFA_F_OPTIMISTIC) in ipv6_create_tempaddr()
1407 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1415 ift->ifpub = ifp; in ipv6_create_tempaddr()
1834 struct inet6_ifaddr *ifp; in __ipv6_get_lladdr() local
1837 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in __ipv6_get_lladdr()
1838 if (ifp->scope > IFA_LINK) in __ipv6_get_lladdr()
1840 if (ifp->scope == IFA_LINK && in __ipv6_get_lladdr()
1841 !(ifp->flags & banned_flags)) { in __ipv6_get_lladdr()
1842 *addr = ifp->addr; in __ipv6_get_lladdr()
1869 const struct inet6_ifaddr *ifp; in ipv6_count_addresses() local
1873 list_for_each_entry_rcu(ifp, &idev->addr_list, if_list) in ipv6_count_addresses()
1903 struct inet6_ifaddr *ifp; in __ipv6_chk_addr_and_flags() local
1912 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in __ipv6_chk_addr_and_flags()
1913 ndev = ifp->idev->dev; in __ipv6_chk_addr_and_flags()
1923 ifp_flags = (ifp->flags&IFA_F_OPTIMISTIC) in __ipv6_chk_addr_and_flags()
1924 ? (ifp->flags&~IFA_F_TENTATIVE) in __ipv6_chk_addr_and_flags()
1925 : ifp->flags; in __ipv6_chk_addr_and_flags()
1926 if (ipv6_addr_equal(&ifp->addr, addr) && in __ipv6_chk_addr_and_flags()
1929 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict))) { in __ipv6_chk_addr_and_flags()
2015 struct inet6_ifaddr *ifp, *result = NULL; in ipv6_get_ifaddr() local
2018 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_get_ifaddr()
2019 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_get_ifaddr()
2021 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_get_ifaddr()
2022 if (!dev || ifp->idev->dev == dev || in ipv6_get_ifaddr()
2023 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) { in ipv6_get_ifaddr()
2024 result = ifp; in ipv6_get_ifaddr()
2025 in6_ifa_hold(ifp); in ipv6_get_ifaddr()
2037 static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed) in addrconf_dad_stop() argument
2040 ifp->flags |= IFA_F_DADFAILED; in addrconf_dad_stop()
2042 if (ifp->flags&IFA_F_TEMPORARY) { in addrconf_dad_stop()
2044 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2045 ifpub = ifp->ifpub; in addrconf_dad_stop()
2048 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2052 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2054 ipv6_del_addr(ifp); in addrconf_dad_stop()
2055 } else if (ifp->flags&IFA_F_PERMANENT || !dad_failed) { in addrconf_dad_stop()
2056 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2057 addrconf_del_dad_work(ifp); in addrconf_dad_stop()
2058 ifp->flags |= IFA_F_TENTATIVE; in addrconf_dad_stop()
2060 ifp->flags &= ~IFA_F_OPTIMISTIC; in addrconf_dad_stop()
2061 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2063 ipv6_ifa_notify(0, ifp); in addrconf_dad_stop()
2064 in6_ifa_put(ifp); in addrconf_dad_stop()
2066 ipv6_del_addr(ifp); in addrconf_dad_stop()
2070 static int addrconf_dad_end(struct inet6_ifaddr *ifp) in addrconf_dad_end() argument
2074 spin_lock_bh(&ifp->lock); in addrconf_dad_end()
2075 if (ifp->state == INET6_IFADDR_STATE_DAD) { in addrconf_dad_end()
2076 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_end()
2079 spin_unlock_bh(&ifp->lock); in addrconf_dad_end()
2084 void addrconf_dad_failure(struct sk_buff *skb, struct inet6_ifaddr *ifp) in addrconf_dad_failure() argument
2086 struct inet6_dev *idev = ifp->idev; in addrconf_dad_failure()
2087 struct net *net = dev_net(ifp->idev->dev); in addrconf_dad_failure()
2089 if (addrconf_dad_end(ifp)) { in addrconf_dad_failure()
2090 in6_ifa_put(ifp); in addrconf_dad_failure()
2095 ifp->idev->dev->name, &ifp->addr, eth_hdr(skb)->h_source); in addrconf_dad_failure()
2097 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2099 if (ifp->flags & IFA_F_STABLE_PRIVACY) { in addrconf_dad_failure()
2102 int retries = ifp->stable_privacy_retry + 1; in addrconf_dad_failure()
2105 .plen = ifp->prefix_len, in addrconf_dad_failure()
2106 .ifa_flags = ifp->flags, in addrconf_dad_failure()
2107 .valid_lft = ifp->valid_lft, in addrconf_dad_failure()
2108 .preferred_lft = ifp->prefered_lft, in addrconf_dad_failure()
2109 .scope = ifp->scope, in addrconf_dad_failure()
2114 ifp->idev->dev->name); in addrconf_dad_failure()
2118 new_addr = ifp->addr; in addrconf_dad_failure()
2123 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2131 ifp->idev->dev->name); in addrconf_dad_failure()
2145 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2150 ifp->state = INET6_IFADDR_STATE_ERRDAD; in addrconf_dad_failure()
2151 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2153 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_failure()
2154 in6_ifa_put(ifp); in addrconf_dad_failure()
2183 static void addrconf_join_anycast(struct inet6_ifaddr *ifp) in addrconf_join_anycast() argument
2187 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_join_anycast()
2189 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_join_anycast()
2192 __ipv6_dev_ac_inc(ifp->idev, &addr); in addrconf_join_anycast()
2196 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) in addrconf_leave_anycast() argument
2200 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_leave_anycast()
2202 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_leave_anycast()
2205 __ipv6_dev_ac_dec(ifp->idev, &addr); in addrconf_leave_anycast()
2330 struct inet6_ifaddr *ifp; in ipv6_inherit_eui64() local
2333 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in ipv6_inherit_eui64()
2334 if (ifp->scope > IFA_LINK) in ipv6_inherit_eui64()
2336 if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) { in ipv6_inherit_eui64()
2337 memcpy(eui, ifp->addr.s6_addr+8, 8); in ipv6_inherit_eui64()
2499 struct inet6_ifaddr *ifp, in manage_tempaddrs() argument
2511 if (ifp != ift->ifpub) in manage_tempaddrs()
2559 ipv6_create_tempaddr(ifp, false); in manage_tempaddrs()
2578 struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1); in addrconf_prefix_rcv_add_addr() local
2581 if (!ifp && valid_lft) { in addrconf_prefix_rcv_add_addr()
2604 ifp = ipv6_add_addr(in6_dev, &cfg, false, NULL); in addrconf_prefix_rcv_add_addr()
2606 if (IS_ERR_OR_NULL(ifp)) in addrconf_prefix_rcv_add_addr()
2610 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2611 ifp->flags |= IFA_F_MANAGETEMPADDR; in addrconf_prefix_rcv_add_addr()
2612 ifp->cstamp = jiffies; in addrconf_prefix_rcv_add_addr()
2613 ifp->tokenized = tokenized; in addrconf_prefix_rcv_add_addr()
2614 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2615 addrconf_dad_start(ifp); in addrconf_prefix_rcv_add_addr()
2618 if (ifp) { in addrconf_prefix_rcv_add_addr()
2628 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2630 if (ifp->valid_lft > (now - ifp->tstamp) / HZ) in addrconf_prefix_rcv_add_addr()
2631 stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ; in addrconf_prefix_rcv_add_addr()
2636 ifp->valid_lft = valid_lft; in addrconf_prefix_rcv_add_addr()
2637 ifp->prefered_lft = prefered_lft; in addrconf_prefix_rcv_add_addr()
2638 ifp->tstamp = now; in addrconf_prefix_rcv_add_addr()
2639 flags = ifp->flags; in addrconf_prefix_rcv_add_addr()
2640 ifp->flags &= ~IFA_F_DEPRECATED; in addrconf_prefix_rcv_add_addr()
2641 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2644 ipv6_ifa_notify(0, ifp); in addrconf_prefix_rcv_add_addr()
2646 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2648 manage_tempaddrs(in6_dev, ifp, valid_lft, prefered_lft, in addrconf_prefix_rcv_add_addr()
2651 in6_ifa_put(ifp); in addrconf_prefix_rcv_add_addr()
2886 struct inet6_ifaddr *ifp; in inet6_addr_add() local
2941 ifp = ipv6_add_addr(idev, cfg, true, extack); in inet6_addr_add()
2942 if (!IS_ERR(ifp)) { in inet6_addr_add()
2944 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_add()
2945 ifp->rt_priority, dev, expires, in inet6_addr_add()
2952 if (!(ifp->flags & (IFA_F_OPTIMISTIC | IFA_F_NODAD))) in inet6_addr_add()
2953 ipv6_ifa_notify(0, ifp); in inet6_addr_add()
2959 addrconf_dad_start(ifp); in inet6_addr_add()
2961 manage_tempaddrs(idev, ifp, cfg->valid_lft, in inet6_addr_add()
2963 in6_ifa_put(ifp); in inet6_addr_add()
2971 return PTR_ERR(ifp); in inet6_addr_add()
2977 struct inet6_ifaddr *ifp; in inet6_addr_del() local
2993 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_addr_del()
2994 if (ifp->prefix_len == plen && in inet6_addr_del()
2995 ipv6_addr_equal(pfx, &ifp->addr)) { in inet6_addr_del()
2996 in6_ifa_hold(ifp); in inet6_addr_del()
2999 if (!(ifp->flags & IFA_F_TEMPORARY) && in inet6_addr_del()
3001 manage_tempaddrs(idev, ifp, 0, 0, false, in inet6_addr_del()
3003 ipv6_del_addr(ifp); in inet6_addr_del()
3063 struct inet6_ifaddr *ifp; in add_addr() local
3073 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in add_addr()
3074 if (!IS_ERR(ifp)) { in add_addr()
3075 spin_lock_bh(&ifp->lock); in add_addr()
3076 ifp->flags &= ~IFA_F_TENTATIVE; in add_addr()
3077 spin_unlock_bh(&ifp->lock); in add_addr()
3079 ipv6_ifa_notify(RTM_NEWADDR, ifp); in add_addr()
3080 in6_ifa_put(ifp); in add_addr()
3169 struct inet6_ifaddr *ifp; in addrconf_add_linklocal() local
3178 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in addrconf_add_linklocal()
3179 if (!IS_ERR(ifp)) { in addrconf_add_linklocal()
3180 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, 0, idev->dev, in addrconf_add_linklocal()
3182 addrconf_dad_start(ifp); in addrconf_add_linklocal()
3183 in6_ifa_put(ifp); in addrconf_add_linklocal()
3411 struct inet6_ifaddr *ifp) in fixup_permanent_addr() argument
3417 if (!ifp->rt || !ifp->rt->fib6_node) { in fixup_permanent_addr()
3420 f6i = addrconf_f6i_alloc(net, idev, &ifp->addr, false, in fixup_permanent_addr()
3426 spin_lock(&ifp->lock); in fixup_permanent_addr()
3427 prev = ifp->rt; in fixup_permanent_addr()
3428 ifp->rt = f6i; in fixup_permanent_addr()
3429 spin_unlock(&ifp->lock); in fixup_permanent_addr()
3434 if (!(ifp->flags & IFA_F_NOPREFIXROUTE)) { in fixup_permanent_addr()
3435 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in fixup_permanent_addr()
3436 ifp->rt_priority, idev->dev, 0, 0, in fixup_permanent_addr()
3440 if (ifp->state == INET6_IFADDR_STATE_PREDAD) in fixup_permanent_addr()
3441 addrconf_dad_start(ifp); in fixup_permanent_addr()
3448 struct inet6_ifaddr *ifp, *tmp; in addrconf_permanent_addr() local
3457 list_for_each_entry_safe(ifp, tmp, &idev->addr_list, if_list) { in addrconf_permanent_addr()
3458 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_permanent_addr()
3459 fixup_permanent_addr(net, idev, ifp) < 0) { in addrconf_permanent_addr()
3461 in6_ifa_hold(ifp); in addrconf_permanent_addr()
3462 ipv6_del_addr(ifp); in addrconf_permanent_addr()
3466 idev->dev->name, &ifp->addr); in addrconf_permanent_addr()
3903 static void addrconf_dad_kick(struct inet6_ifaddr *ifp) in addrconf_dad_kick() argument
3906 struct inet6_dev *idev = ifp->idev; in addrconf_dad_kick()
3909 if (ifp->flags & IFA_F_OPTIMISTIC) in addrconf_dad_kick()
3921 ifp->dad_nonce = nonce; in addrconf_dad_kick()
3922 ifp->dad_probes = idev->cnf.dad_transmits; in addrconf_dad_kick()
3923 addrconf_mod_dad_work(ifp, rand_num); in addrconf_dad_kick()
3926 static void addrconf_dad_begin(struct inet6_ifaddr *ifp) in addrconf_dad_begin() argument
3928 struct inet6_dev *idev = ifp->idev; in addrconf_dad_begin()
3933 addrconf_join_solict(dev, &ifp->addr); in addrconf_dad_begin()
3935 prandom_seed((__force u32) ifp->addr.s6_addr32[3]); in addrconf_dad_begin()
3938 spin_lock(&ifp->lock); in addrconf_dad_begin()
3939 if (ifp->state == INET6_IFADDR_STATE_DEAD) in addrconf_dad_begin()
3946 !(ifp->flags&IFA_F_TENTATIVE) || in addrconf_dad_begin()
3947 ifp->flags & IFA_F_NODAD) { in addrconf_dad_begin()
3950 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_begin()
3951 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_begin()
3953 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_begin()
3954 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_begin()
3955 spin_unlock(&ifp->lock); in addrconf_dad_begin()
3958 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_begin()
3963 spin_unlock(&ifp->lock); in addrconf_dad_begin()
3970 in6_ifa_hold(ifp); in addrconf_dad_begin()
3971 addrconf_dad_stop(ifp, 0); in addrconf_dad_begin()
3979 if (ifp->flags & IFA_F_OPTIMISTIC) { in addrconf_dad_begin()
3980 ip6_ins_rt(net, ifp->rt); in addrconf_dad_begin()
3989 addrconf_dad_kick(ifp); in addrconf_dad_begin()
3991 spin_unlock(&ifp->lock); in addrconf_dad_begin()
3994 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_begin()
3997 static void addrconf_dad_start(struct inet6_ifaddr *ifp) in addrconf_dad_start() argument
4001 spin_lock_bh(&ifp->lock); in addrconf_dad_start()
4002 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in addrconf_dad_start()
4003 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_start()
4006 spin_unlock_bh(&ifp->lock); in addrconf_dad_start()
4009 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_start()
4014 struct inet6_ifaddr *ifp = container_of(to_delayed_work(w), in addrconf_dad_work() local
4017 struct inet6_dev *idev = ifp->idev; in addrconf_dad_work()
4029 spin_lock_bh(&ifp->lock); in addrconf_dad_work()
4030 if (ifp->state == INET6_IFADDR_STATE_PREDAD) { in addrconf_dad_work()
4032 ifp->state = INET6_IFADDR_STATE_DAD; in addrconf_dad_work()
4033 } else if (ifp->state == INET6_IFADDR_STATE_ERRDAD) { in addrconf_dad_work()
4035 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_work()
4040 !(ifp->flags & IFA_F_STABLE_PRIVACY)) { in addrconf_dad_work()
4047 ipv6_addr_equal(&ifp->addr, &addr)) { in addrconf_dad_work()
4052 ifp->idev->dev->name); in addrconf_dad_work()
4057 spin_unlock_bh(&ifp->lock); in addrconf_dad_work()
4060 addrconf_dad_begin(ifp); in addrconf_dad_work()
4063 in6_ifa_hold(ifp); in addrconf_dad_work()
4064 addrconf_dad_stop(ifp, 1); in addrconf_dad_work()
4070 if (!ifp->dad_probes && addrconf_dad_end(ifp)) in addrconf_dad_work()
4079 spin_lock(&ifp->lock); in addrconf_dad_work()
4080 if (ifp->state == INET6_IFADDR_STATE_DEAD) { in addrconf_dad_work()
4081 spin_unlock(&ifp->lock); in addrconf_dad_work()
4086 if (ifp->dad_probes == 0) { in addrconf_dad_work()
4093 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_work()
4094 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_work()
4096 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_work()
4097 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_work()
4098 spin_unlock(&ifp->lock); in addrconf_dad_work()
4101 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_work()
4106 ifp->dad_probes--; in addrconf_dad_work()
4107 addrconf_mod_dad_work(ifp, in addrconf_dad_work()
4108 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), in addrconf_dad_work()
4110 spin_unlock(&ifp->lock); in addrconf_dad_work()
4114 addrconf_addr_solict_mult(&ifp->addr, &mcaddr); in addrconf_dad_work()
4115 ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any, in addrconf_dad_work()
4116 ifp->dad_nonce); in addrconf_dad_work()
4118 in6_ifa_put(ifp); in addrconf_dad_work()
4123 static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp) in ipv6_lonely_lladdr() argument
4126 struct inet6_dev *idev = ifp->idev; in ipv6_lonely_lladdr()
4131 if (ifp != ifpiter && ifpiter->scope == IFA_LINK && in ipv6_lonely_lladdr()
4140 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id, in addrconf_dad_completed() argument
4143 struct net_device *dev = ifp->idev->dev; in addrconf_dad_completed()
4147 addrconf_del_dad_work(ifp); in addrconf_dad_completed()
4153 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_completed()
4159 read_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4160 send_mld = ifp->scope == IFA_LINK && ipv6_lonely_lladdr(ifp); in addrconf_dad_completed()
4162 ipv6_accept_ra(ifp->idev) && in addrconf_dad_completed()
4163 ifp->idev->cnf.rtr_solicits != 0 && in addrconf_dad_completed()
4165 read_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4171 ipv6_mc_dad_complete(ifp->idev); in addrconf_dad_completed()
4175 (ifp->idev->cnf.ndisc_notify || in addrconf_dad_completed()
4177 ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifp->addr, in addrconf_dad_completed()
4178 /*router=*/ !!ifp->idev->cnf.forwarding, in addrconf_dad_completed()
4193 write_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4194 spin_lock(&ifp->lock); in addrconf_dad_completed()
4195 ifp->idev->rs_interval = rfc3315_s14_backoff_init( in addrconf_dad_completed()
4196 ifp->idev->cnf.rtr_solicit_interval); in addrconf_dad_completed()
4197 ifp->idev->rs_probes = 1; in addrconf_dad_completed()
4198 ifp->idev->if_flags |= IF_RS_SENT; in addrconf_dad_completed()
4199 addrconf_mod_rs_timer(ifp->idev, ifp->idev->rs_interval); in addrconf_dad_completed()
4200 spin_unlock(&ifp->lock); in addrconf_dad_completed()
4201 write_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4210 if (ifp->flags & IFA_F_TEMPORARY) in addrconf_dad_completed()
4216 struct inet6_ifaddr *ifp; in addrconf_dad_run() local
4219 list_for_each_entry(ifp, &idev->addr_list, if_list) { in addrconf_dad_run()
4220 spin_lock(&ifp->lock); in addrconf_dad_run()
4221 if ((ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_run()
4222 ifp->state == INET6_IFADDR_STATE_DAD) || restart) { in addrconf_dad_run()
4224 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_run()
4225 addrconf_dad_kick(ifp); in addrconf_dad_run()
4227 spin_unlock(&ifp->lock); in addrconf_dad_run()
4322 struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v; in if6_seq_show() local
4324 &ifp->addr, in if6_seq_show()
4325 ifp->idev->dev->ifindex, in if6_seq_show()
4326 ifp->prefix_len, in if6_seq_show()
4327 ifp->scope, in if6_seq_show()
4328 (u8) ifp->flags, in if6_seq_show()
4329 ifp->idev->dev->name); in if6_seq_show()
4374 struct inet6_ifaddr *ifp = NULL; in ipv6_chk_home_addr() local
4378 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_home_addr()
4379 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_home_addr()
4381 if (ipv6_addr_equal(&ifp->addr, addr) && in ipv6_chk_home_addr()
4382 (ifp->flags & IFA_F_HOMEADDRESS)) { in ipv6_chk_home_addr()
4407 struct inet6_ifaddr *ifp; in ipv6_chk_rpl_srh_loop() local
4418 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_rpl_srh_loop()
4419 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_rpl_srh_loop()
4422 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_rpl_srh_loop()
4452 struct inet6_ifaddr *ifp; in addrconf_verify_rtnl() local
4465 hlist_for_each_entry_rcu_bh(ifp, &inet6_addr_lst[i], addr_lst) { in addrconf_verify_rtnl()
4472 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_verify_rtnl()
4473 (ifp->prefered_lft == INFINITY_LIFE_TIME)) in addrconf_verify_rtnl()
4476 spin_lock(&ifp->lock); in addrconf_verify_rtnl()
4478 age = (now - ifp->tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; in addrconf_verify_rtnl()
4480 if (ifp->valid_lft != INFINITY_LIFE_TIME && in addrconf_verify_rtnl()
4481 age >= ifp->valid_lft) { in addrconf_verify_rtnl()
4482 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4483 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4484 ipv6_del_addr(ifp); in addrconf_verify_rtnl()
4486 } else if (ifp->prefered_lft == INFINITY_LIFE_TIME) { in addrconf_verify_rtnl()
4487 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4489 } else if (age >= ifp->prefered_lft) { in addrconf_verify_rtnl()
4493 if (!(ifp->flags&IFA_F_DEPRECATED)) { in addrconf_verify_rtnl()
4495 ifp->flags |= IFA_F_DEPRECATED; in addrconf_verify_rtnl()
4498 if ((ifp->valid_lft != INFINITY_LIFE_TIME) && in addrconf_verify_rtnl()
4499 (time_before(ifp->tstamp + ifp->valid_lft * HZ, next))) in addrconf_verify_rtnl()
4500 next = ifp->tstamp + ifp->valid_lft * HZ; in addrconf_verify_rtnl()
4502 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4505 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4507 ipv6_ifa_notify(0, ifp); in addrconf_verify_rtnl()
4508 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4511 } else if ((ifp->flags&IFA_F_TEMPORARY) && in addrconf_verify_rtnl()
4512 !(ifp->flags&IFA_F_TENTATIVE)) { in addrconf_verify_rtnl()
4513 unsigned long regen_advance = ifp->idev->cnf.regen_max_retry * in addrconf_verify_rtnl()
4514 ifp->idev->cnf.dad_transmits * in addrconf_verify_rtnl()
4515 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), HZ/100) / HZ; in addrconf_verify_rtnl()
4517 if (age >= ifp->prefered_lft - regen_advance) { in addrconf_verify_rtnl()
4518 struct inet6_ifaddr *ifpub = ifp->ifpub; in addrconf_verify_rtnl()
4519 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4520 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4521 if (!ifp->regen_count && ifpub) { in addrconf_verify_rtnl()
4522 ifp->regen_count++; in addrconf_verify_rtnl()
4523 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4525 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4533 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4537 } else if (time_before(ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ, next)) in addrconf_verify_rtnl()
4538 next = ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ; in addrconf_verify_rtnl()
4539 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4542 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4543 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4544 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4636 static int modify_prefix_route(struct inet6_ifaddr *ifp, in modify_prefix_route() argument
4643 f6i = addrconf_get_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4644 ifp->prefix_len, in modify_prefix_route()
4645 ifp->idev->dev, 0, RTF_DEFAULT, true); in modify_prefix_route()
4649 prio = ifp->rt_priority ? : IP6_RT_PRIO_ADDRCONF; in modify_prefix_route()
4652 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in modify_prefix_route()
4655 addrconf_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4656 ifp->prefix_len, in modify_prefix_route()
4657 ifp->rt_priority, ifp->idev->dev, in modify_prefix_route()
4671 static int inet6_addr_modify(struct inet6_ifaddr *ifp, struct ifa6_config *cfg) in inet6_addr_modify() argument
4686 (ifp->flags & IFA_F_TEMPORARY || ifp->prefix_len != 64)) in inet6_addr_modify()
4689 if (!(ifp->flags & IFA_F_TENTATIVE) || ifp->flags & IFA_F_DADFAILED) in inet6_addr_modify()
4711 memcmp(&ifp->peer_addr, cfg->peer_pfx, sizeof(struct in6_addr))) { in inet6_addr_modify()
4712 if (!ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4713 cleanup_prefix_route(ifp, expires, true, true); in inet6_addr_modify()
4717 spin_lock_bh(&ifp->lock); in inet6_addr_modify()
4718 was_managetempaddr = ifp->flags & IFA_F_MANAGETEMPADDR; in inet6_addr_modify()
4719 had_prefixroute = ifp->flags & IFA_F_PERMANENT && in inet6_addr_modify()
4720 !(ifp->flags & IFA_F_NOPREFIXROUTE); in inet6_addr_modify()
4721 ifp->flags &= ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | in inet6_addr_modify()
4724 ifp->flags |= cfg->ifa_flags; in inet6_addr_modify()
4725 ifp->tstamp = jiffies; in inet6_addr_modify()
4726 ifp->valid_lft = cfg->valid_lft; in inet6_addr_modify()
4727 ifp->prefered_lft = cfg->preferred_lft; in inet6_addr_modify()
4729 if (cfg->rt_priority && cfg->rt_priority != ifp->rt_priority) in inet6_addr_modify()
4730 ifp->rt_priority = cfg->rt_priority; in inet6_addr_modify()
4733 ifp->peer_addr = *cfg->peer_pfx; in inet6_addr_modify()
4735 spin_unlock_bh(&ifp->lock); in inet6_addr_modify()
4736 if (!(ifp->flags&IFA_F_TENTATIVE)) in inet6_addr_modify()
4737 ipv6_ifa_notify(0, ifp); in inet6_addr_modify()
4743 rc = modify_prefix_route(ifp, expires, flags, false); in inet6_addr_modify()
4747 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_modify()
4748 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4752 if (had_prefixroute && !ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4753 rc = modify_prefix_route(ifp, expires, flags, true); in inet6_addr_modify()
4755 if (rc == -ENOENT && !ipv6_addr_any(&ifp->peer_addr)) { in inet6_addr_modify()
4756 addrconf_prefix_route(&ifp->peer_addr, ifp->prefix_len, in inet6_addr_modify()
4757 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4764 write_lock_bh(&ifp->idev->lock); in inet6_addr_modify()
4765 action = check_cleanup_prefix_route(ifp, &rt_expires); in inet6_addr_modify()
4766 write_unlock_bh(&ifp->idev->lock); in inet6_addr_modify()
4769 cleanup_prefix_route(ifp, rt_expires, in inet6_addr_modify()
4774 if (was_managetempaddr || ifp->flags & IFA_F_MANAGETEMPADDR) { in inet6_addr_modify()
4776 !(ifp->flags & IFA_F_MANAGETEMPADDR)) { in inet6_addr_modify()
4780 manage_tempaddrs(ifp->idev, ifp, cfg->valid_lft, in inet6_addr_modify()
5669 struct inet6_ifaddr *ifp; in inet6_set_iftoken() local
5718 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_set_iftoken()
5719 spin_lock(&ifp->lock); in inet6_set_iftoken()
5720 if (ifp->tokenized) { in inet6_set_iftoken()
5721 ifp->valid_lft = 0; in inet6_set_iftoken()
5722 ifp->prefered_lft = 0; in inet6_set_iftoken()
5724 spin_unlock(&ifp->lock); in inet6_set_iftoken()
6033 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in __ipv6_ifa_notify() argument
6035 struct net *net = dev_net(ifp->idev->dev); in __ipv6_ifa_notify()
6040 inet6_ifa_notify(event ? : RTM_NEWADDR, ifp); in __ipv6_ifa_notify()
6052 if (ifp->rt && !rcu_access_pointer(ifp->rt->fib6_node)) { in __ipv6_ifa_notify()
6053 ip6_ins_rt(net, ifp->rt); in __ipv6_ifa_notify()
6054 } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) { in __ipv6_ifa_notify()
6056 &ifp->addr, ifp->idev->dev->name); in __ipv6_ifa_notify()
6059 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6060 addrconf_join_anycast(ifp); in __ipv6_ifa_notify()
6061 if (!ipv6_addr_any(&ifp->peer_addr)) in __ipv6_ifa_notify()
6062 addrconf_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6063 ifp->rt_priority, ifp->idev->dev, in __ipv6_ifa_notify()
6067 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6068 addrconf_leave_anycast(ifp); in __ipv6_ifa_notify()
6069 addrconf_leave_solict(ifp->idev, &ifp->addr); in __ipv6_ifa_notify()
6070 if (!ipv6_addr_any(&ifp->peer_addr)) { in __ipv6_ifa_notify()
6073 rt = addrconf_get_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6074 ifp->idev->dev, 0, 0, in __ipv6_ifa_notify()
6079 if (ifp->rt) { in __ipv6_ifa_notify()
6080 ip6_del_rt(net, ifp->rt, false); in __ipv6_ifa_notify()
6081 ifp->rt = NULL; in __ipv6_ifa_notify()
6089 static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in ipv6_ifa_notify() argument
6092 if (likely(ifp->idev->dead == 0)) in ipv6_ifa_notify()
6093 __ipv6_ifa_notify(event, ifp); in ipv6_ifa_notify()