Lines Matching full: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,
310 static void addrconf_del_dad_work(struct inet6_ifaddr *ifp) in addrconf_del_dad_work() argument
312 if (cancel_delayed_work(&ifp->dad_work)) in addrconf_del_dad_work()
313 __in6_ifa_put(ifp); in addrconf_del_dad_work()
323 static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp, in addrconf_mod_dad_work() argument
326 in6_ifa_hold(ifp); in addrconf_mod_dad_work()
327 if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay)) in addrconf_mod_dad_work()
328 in6_ifa_put(ifp); in addrconf_mod_dad_work()
961 void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp) in inet6_ifa_finish_destroy() argument
963 WARN_ON(!hlist_unhashed(&ifp->addr_lst)); in inet6_ifa_finish_destroy()
969 in6_dev_put(ifp->idev); in inet6_ifa_finish_destroy()
971 if (cancel_delayed_work(&ifp->dad_work)) in inet6_ifa_finish_destroy()
973 ifp); in inet6_ifa_finish_destroy()
975 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in inet6_ifa_finish_destroy()
976 pr_warn("Freeing alive inet6 address %p\n", ifp); in inet6_ifa_finish_destroy()
980 kfree_rcu(ifp, rcu); in inet6_ifa_finish_destroy()
984 ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) in ipv6_link_dev_addr() argument
987 int ifp_scope = ipv6_addr_src_scope(&ifp->addr); in ipv6_link_dev_addr()
1000 list_add_tail_rcu(&ifp->if_list, p); in ipv6_link_dev_addr()
1013 struct inet6_ifaddr *ifp; in ipv6_chk_same_addr() local
1015 hlist_for_each_entry(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_same_addr()
1016 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_same_addr()
1018 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_same_addr()
1019 if (!dev || ifp->idev->dev == dev) in ipv6_chk_same_addr()
1046 /* On success it returns ifp with increased reference count */
1181 * Check, whether the prefix for ifp would still need a prefix route
1182 * after deleting ifp. The function returns one of the CLEANUP_PREFIX_RT_*
1199 check_cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long *expires) in check_cleanup_prefix_route() argument
1202 struct inet6_dev *idev = ifp->idev; in check_cleanup_prefix_route()
1209 if (ifa == ifp) in check_cleanup_prefix_route()
1211 if (ifa->prefix_len != ifp->prefix_len || in check_cleanup_prefix_route()
1212 !ipv6_prefix_equal(&ifa->addr, &ifp->addr, in check_cleanup_prefix_route()
1213 ifp->prefix_len)) in check_cleanup_prefix_route()
1237 cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long expires, in cleanup_prefix_route() argument
1242 f6i = addrconf_get_prefix_route(del_peer ? &ifp->peer_addr : &ifp->addr, in cleanup_prefix_route()
1243 ifp->prefix_len, in cleanup_prefix_route()
1244 ifp->idev->dev, 0, RTF_DEFAULT, true); in cleanup_prefix_route()
1247 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in cleanup_prefix_route()
1257 /* This function wants to get referenced ifp and releases it before return */
1259 static void ipv6_del_addr(struct inet6_ifaddr *ifp) in ipv6_del_addr() argument
1267 spin_lock_bh(&ifp->lock); in ipv6_del_addr()
1268 state = ifp->state; in ipv6_del_addr()
1269 ifp->state = INET6_IFADDR_STATE_DEAD; in ipv6_del_addr()
1270 spin_unlock_bh(&ifp->lock); in ipv6_del_addr()
1276 hlist_del_init_rcu(&ifp->addr_lst); in ipv6_del_addr()
1279 write_lock_bh(&ifp->idev->lock); in ipv6_del_addr()
1281 if (ifp->flags&IFA_F_TEMPORARY) { in ipv6_del_addr()
1282 list_del(&ifp->tmp_list); in ipv6_del_addr()
1283 if (ifp->ifpub) { in ipv6_del_addr()
1284 in6_ifa_put(ifp->ifpub); in ipv6_del_addr()
1285 ifp->ifpub = NULL; in ipv6_del_addr()
1287 __in6_ifa_put(ifp); in ipv6_del_addr()
1290 if (ifp->flags & IFA_F_PERMANENT && !(ifp->flags & IFA_F_NOPREFIXROUTE)) in ipv6_del_addr()
1291 action = check_cleanup_prefix_route(ifp, &expires); in ipv6_del_addr()
1293 list_del_rcu(&ifp->if_list); in ipv6_del_addr()
1294 __in6_ifa_put(ifp); in ipv6_del_addr()
1296 write_unlock_bh(&ifp->idev->lock); in ipv6_del_addr()
1298 addrconf_del_dad_work(ifp); in ipv6_del_addr()
1300 ipv6_ifa_notify(RTM_DELADDR, ifp); in ipv6_del_addr()
1302 inet6addr_notifier_call_chain(NETDEV_DOWN, ifp); in ipv6_del_addr()
1305 cleanup_prefix_route(ifp, expires, in ipv6_del_addr()
1310 rt6_remove_prefsrc(ifp); in ipv6_del_addr()
1312 in6_ifa_put(ifp); in ipv6_del_addr()
1315 static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, bool block) in ipv6_create_tempaddr() argument
1317 struct inet6_dev *idev = ifp->idev; in ipv6_create_tempaddr()
1339 spin_lock_bh(&ifp->lock); in ipv6_create_tempaddr()
1340 if (ifp->regen_count++ >= idev->cnf.regen_max_retry) { in ipv6_create_tempaddr()
1342 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1350 in6_ifa_hold(ifp); in ipv6_create_tempaddr()
1351 memcpy(addr.s6_addr, ifp->addr.s6_addr, 8); in ipv6_create_tempaddr()
1354 age = (now - ifp->tstamp) / HZ; in ipv6_create_tempaddr()
1379 cfg.valid_lft = min_t(__u32, ifp->valid_lft, in ipv6_create_tempaddr()
1382 cfg.preferred_lft = min_t(__u32, ifp->prefered_lft, cfg.preferred_lft); in ipv6_create_tempaddr()
1384 cfg.plen = ifp->prefix_len; in ipv6_create_tempaddr()
1385 tmp_tstamp = ifp->tstamp; in ipv6_create_tempaddr()
1386 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1399 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1407 if (ifp->flags & IFA_F_OPTIMISTIC) in ipv6_create_tempaddr()
1415 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1423 ift->ifpub = ifp; in ipv6_create_tempaddr()
1842 struct inet6_ifaddr *ifp; in __ipv6_get_lladdr() local
1845 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in __ipv6_get_lladdr()
1846 if (ifp->scope > IFA_LINK) in __ipv6_get_lladdr()
1848 if (ifp->scope == IFA_LINK && in __ipv6_get_lladdr()
1849 !(ifp->flags & banned_flags)) { in __ipv6_get_lladdr()
1850 *addr = ifp->addr; in __ipv6_get_lladdr()
1877 const struct inet6_ifaddr *ifp; in ipv6_count_addresses() local
1881 list_for_each_entry_rcu(ifp, &idev->addr_list, if_list) in ipv6_count_addresses()
1896 * skip_dev_check is set, then the ifp device is not checked against
1911 struct inet6_ifaddr *ifp; in __ipv6_chk_addr_and_flags() local
1920 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in __ipv6_chk_addr_and_flags()
1921 ndev = ifp->idev->dev; in __ipv6_chk_addr_and_flags()
1931 ifp_flags = (ifp->flags&IFA_F_OPTIMISTIC) in __ipv6_chk_addr_and_flags()
1932 ? (ifp->flags&~IFA_F_TENTATIVE) in __ipv6_chk_addr_and_flags()
1933 : ifp->flags; in __ipv6_chk_addr_and_flags()
1934 if (ipv6_addr_equal(&ifp->addr, addr) && in __ipv6_chk_addr_and_flags()
1937 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict))) { in __ipv6_chk_addr_and_flags()
2023 struct inet6_ifaddr *ifp, *result = NULL; in ipv6_get_ifaddr() local
2026 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_get_ifaddr()
2027 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_get_ifaddr()
2029 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_get_ifaddr()
2030 if (!dev || ifp->idev->dev == dev || in ipv6_get_ifaddr()
2031 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) { in ipv6_get_ifaddr()
2032 if (in6_ifa_hold_safe(ifp)) { in ipv6_get_ifaddr()
2033 result = ifp; in ipv6_get_ifaddr()
2046 static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed) in addrconf_dad_stop() argument
2049 ifp->flags |= IFA_F_DADFAILED; in addrconf_dad_stop()
2051 if (ifp->flags&IFA_F_TEMPORARY) { in addrconf_dad_stop()
2053 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2054 ifpub = ifp->ifpub; in addrconf_dad_stop()
2057 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2061 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2063 ipv6_del_addr(ifp); in addrconf_dad_stop()
2064 } else if (ifp->flags&IFA_F_PERMANENT || !dad_failed) { in addrconf_dad_stop()
2065 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2066 addrconf_del_dad_work(ifp); in addrconf_dad_stop()
2067 ifp->flags |= IFA_F_TENTATIVE; in addrconf_dad_stop()
2069 ifp->flags &= ~IFA_F_OPTIMISTIC; in addrconf_dad_stop()
2070 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2072 ipv6_ifa_notify(0, ifp); in addrconf_dad_stop()
2073 in6_ifa_put(ifp); in addrconf_dad_stop()
2075 ipv6_del_addr(ifp); in addrconf_dad_stop()
2079 static int addrconf_dad_end(struct inet6_ifaddr *ifp) in addrconf_dad_end() argument
2083 spin_lock_bh(&ifp->lock); in addrconf_dad_end()
2084 if (ifp->state == INET6_IFADDR_STATE_DAD) { in addrconf_dad_end()
2085 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_end()
2088 spin_unlock_bh(&ifp->lock); in addrconf_dad_end()
2093 void addrconf_dad_failure(struct sk_buff *skb, struct inet6_ifaddr *ifp) in addrconf_dad_failure() argument
2095 struct inet6_dev *idev = ifp->idev; in addrconf_dad_failure()
2096 struct net *net = dev_net(ifp->idev->dev); in addrconf_dad_failure()
2098 if (addrconf_dad_end(ifp)) { in addrconf_dad_failure()
2099 in6_ifa_put(ifp); in addrconf_dad_failure()
2104 ifp->idev->dev->name, &ifp->addr, eth_hdr(skb)->h_source); in addrconf_dad_failure()
2106 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2108 if (ifp->flags & IFA_F_STABLE_PRIVACY) { in addrconf_dad_failure()
2111 int retries = ifp->stable_privacy_retry + 1; in addrconf_dad_failure()
2114 .plen = ifp->prefix_len, in addrconf_dad_failure()
2115 .ifa_flags = ifp->flags, in addrconf_dad_failure()
2116 .valid_lft = ifp->valid_lft, in addrconf_dad_failure()
2117 .preferred_lft = ifp->prefered_lft, in addrconf_dad_failure()
2118 .scope = ifp->scope, in addrconf_dad_failure()
2123 ifp->idev->dev->name); in addrconf_dad_failure()
2127 new_addr = ifp->addr; in addrconf_dad_failure()
2132 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2140 ifp->idev->dev->name); in addrconf_dad_failure()
2154 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2159 ifp->state = INET6_IFADDR_STATE_ERRDAD; in addrconf_dad_failure()
2160 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2162 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_failure()
2163 in6_ifa_put(ifp); in addrconf_dad_failure()
2192 static void addrconf_join_anycast(struct inet6_ifaddr *ifp) in addrconf_join_anycast() argument
2196 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_join_anycast()
2198 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_join_anycast()
2201 __ipv6_dev_ac_inc(ifp->idev, &addr); in addrconf_join_anycast()
2205 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) in addrconf_leave_anycast() argument
2209 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_leave_anycast()
2211 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_leave_anycast()
2214 __ipv6_dev_ac_dec(ifp->idev, &addr); in addrconf_leave_anycast()
2339 struct inet6_ifaddr *ifp; in ipv6_inherit_eui64() local
2342 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in ipv6_inherit_eui64()
2343 if (ifp->scope > IFA_LINK) in ipv6_inherit_eui64()
2345 if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) { in ipv6_inherit_eui64()
2346 memcpy(eui, ifp->addr.s6_addr+8, 8); in ipv6_inherit_eui64()
2509 struct inet6_ifaddr *ifp, in manage_tempaddrs() argument
2521 if (ifp != ift->ifpub) in manage_tempaddrs()
2575 ipv6_create_tempaddr(ifp, false); in manage_tempaddrs()
2594 struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1); in addrconf_prefix_rcv_add_addr() local
2597 if (!ifp && valid_lft) { in addrconf_prefix_rcv_add_addr()
2620 ifp = ipv6_add_addr(in6_dev, &cfg, false, NULL); in addrconf_prefix_rcv_add_addr()
2622 if (IS_ERR_OR_NULL(ifp)) in addrconf_prefix_rcv_add_addr()
2626 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2627 ifp->flags |= IFA_F_MANAGETEMPADDR; in addrconf_prefix_rcv_add_addr()
2628 ifp->cstamp = jiffies; in addrconf_prefix_rcv_add_addr()
2629 ifp->tokenized = tokenized; in addrconf_prefix_rcv_add_addr()
2630 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2631 addrconf_dad_start(ifp); in addrconf_prefix_rcv_add_addr()
2634 if (ifp) { in addrconf_prefix_rcv_add_addr()
2640 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2642 if (ifp->valid_lft > (now - ifp->tstamp) / HZ) in addrconf_prefix_rcv_add_addr()
2643 stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ; in addrconf_prefix_rcv_add_addr()
2665 ifp->valid_lft = valid_lft; in addrconf_prefix_rcv_add_addr()
2666 ifp->prefered_lft = prefered_lft; in addrconf_prefix_rcv_add_addr()
2667 ifp->tstamp = now; in addrconf_prefix_rcv_add_addr()
2668 flags = ifp->flags; in addrconf_prefix_rcv_add_addr()
2669 ifp->flags &= ~IFA_F_DEPRECATED; in addrconf_prefix_rcv_add_addr()
2670 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2673 ipv6_ifa_notify(0, ifp); in addrconf_prefix_rcv_add_addr()
2675 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2677 manage_tempaddrs(in6_dev, ifp, valid_lft, prefered_lft, in addrconf_prefix_rcv_add_addr()
2680 in6_ifa_put(ifp); in addrconf_prefix_rcv_add_addr()
2918 struct inet6_ifaddr *ifp; in inet6_addr_add() local
2973 ifp = ipv6_add_addr(idev, cfg, true, extack); in inet6_addr_add()
2974 if (!IS_ERR(ifp)) { in inet6_addr_add()
2976 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_add()
2977 ifp->rt_priority, dev, expires, in inet6_addr_add()
2984 if (!(ifp->flags & (IFA_F_OPTIMISTIC | IFA_F_NODAD))) in inet6_addr_add()
2985 ipv6_ifa_notify(0, ifp); in inet6_addr_add()
2991 addrconf_dad_start(ifp); in inet6_addr_add()
2993 manage_tempaddrs(idev, ifp, cfg->valid_lft, in inet6_addr_add()
2995 in6_ifa_put(ifp); in inet6_addr_add()
3003 return PTR_ERR(ifp); in inet6_addr_add()
3009 struct inet6_ifaddr *ifp; in inet6_addr_del() local
3025 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_addr_del()
3026 if (ifp->prefix_len == plen && in inet6_addr_del()
3027 ipv6_addr_equal(pfx, &ifp->addr)) { in inet6_addr_del()
3028 in6_ifa_hold(ifp); in inet6_addr_del()
3031 if (!(ifp->flags & IFA_F_TEMPORARY) && in inet6_addr_del()
3033 manage_tempaddrs(idev, ifp, 0, 0, false, in inet6_addr_del()
3035 ipv6_del_addr(ifp); in inet6_addr_del()
3095 struct inet6_ifaddr *ifp; in add_addr() local
3105 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in add_addr()
3106 if (!IS_ERR(ifp)) { in add_addr()
3107 spin_lock_bh(&ifp->lock); in add_addr()
3108 ifp->flags &= ~IFA_F_TENTATIVE; in add_addr()
3109 spin_unlock_bh(&ifp->lock); in add_addr()
3111 ipv6_ifa_notify(RTM_NEWADDR, ifp); in add_addr()
3112 in6_ifa_put(ifp); in add_addr()
3204 struct inet6_ifaddr *ifp; in addrconf_add_linklocal() local
3213 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in addrconf_add_linklocal()
3214 if (!IS_ERR(ifp)) { in addrconf_add_linklocal()
3215 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, 0, idev->dev, in addrconf_add_linklocal()
3217 addrconf_dad_start(ifp); in addrconf_add_linklocal()
3218 in6_ifa_put(ifp); in addrconf_add_linklocal()
3446 struct inet6_ifaddr *ifp) in fixup_permanent_addr() argument
3452 if (!ifp->rt || !ifp->rt->fib6_node) { in fixup_permanent_addr()
3455 f6i = addrconf_f6i_alloc(net, idev, &ifp->addr, false, in fixup_permanent_addr()
3460 /* ifp->rt can be accessed outside of rtnl */ in fixup_permanent_addr()
3461 spin_lock(&ifp->lock); in fixup_permanent_addr()
3462 prev = ifp->rt; in fixup_permanent_addr()
3463 ifp->rt = f6i; in fixup_permanent_addr()
3464 spin_unlock(&ifp->lock); in fixup_permanent_addr()
3469 if (!(ifp->flags & IFA_F_NOPREFIXROUTE)) { in fixup_permanent_addr()
3470 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in fixup_permanent_addr()
3471 ifp->rt_priority, idev->dev, 0, 0, in fixup_permanent_addr()
3475 if (ifp->state == INET6_IFADDR_STATE_PREDAD) in fixup_permanent_addr()
3476 addrconf_dad_start(ifp); in fixup_permanent_addr()
3483 struct inet6_ifaddr *ifp, *tmp; in addrconf_permanent_addr() local
3492 list_for_each_entry_safe(ifp, tmp, &idev->addr_list, if_list) { in addrconf_permanent_addr()
3493 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_permanent_addr()
3494 fixup_permanent_addr(net, idev, ifp) < 0) { in addrconf_permanent_addr()
3496 in6_ifa_hold(ifp); in addrconf_permanent_addr()
3497 ipv6_del_addr(ifp); in addrconf_permanent_addr()
3501 idev->dev->name, &ifp->addr); in addrconf_permanent_addr()
3949 static void addrconf_dad_kick(struct inet6_ifaddr *ifp) in addrconf_dad_kick() argument
3952 struct inet6_dev *idev = ifp->idev; in addrconf_dad_kick()
3955 if (ifp->flags & IFA_F_OPTIMISTIC) in addrconf_dad_kick()
3967 ifp->dad_nonce = nonce; in addrconf_dad_kick()
3968 ifp->dad_probes = idev->cnf.dad_transmits; in addrconf_dad_kick()
3969 addrconf_mod_dad_work(ifp, rand_num); in addrconf_dad_kick()
3972 static void addrconf_dad_begin(struct inet6_ifaddr *ifp) in addrconf_dad_begin() argument
3974 struct inet6_dev *idev = ifp->idev; in addrconf_dad_begin()
3979 addrconf_join_solict(dev, &ifp->addr); in addrconf_dad_begin()
3981 prandom_seed((__force u32) ifp->addr.s6_addr32[3]); in addrconf_dad_begin()
3984 spin_lock(&ifp->lock); in addrconf_dad_begin()
3985 if (ifp->state == INET6_IFADDR_STATE_DEAD) in addrconf_dad_begin()
3992 !(ifp->flags&IFA_F_TENTATIVE) || in addrconf_dad_begin()
3993 ifp->flags & IFA_F_NODAD) { in addrconf_dad_begin()
3996 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_begin()
3997 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_begin()
3999 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_begin()
4000 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_begin()
4001 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4004 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_begin()
4009 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4016 in6_ifa_hold(ifp); in addrconf_dad_begin()
4017 addrconf_dad_stop(ifp, 0); in addrconf_dad_begin()
4025 if (ifp->flags & IFA_F_OPTIMISTIC) { in addrconf_dad_begin()
4026 ip6_ins_rt(net, ifp->rt); in addrconf_dad_begin()
4035 addrconf_dad_kick(ifp); in addrconf_dad_begin()
4037 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4040 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_begin()
4043 static void addrconf_dad_start(struct inet6_ifaddr *ifp) in addrconf_dad_start() argument
4047 spin_lock_bh(&ifp->lock); in addrconf_dad_start()
4048 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in addrconf_dad_start()
4049 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_start()
4052 spin_unlock_bh(&ifp->lock); in addrconf_dad_start()
4055 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_start()
4060 struct inet6_ifaddr *ifp = container_of(to_delayed_work(w), in addrconf_dad_work() local
4063 struct inet6_dev *idev = ifp->idev; in addrconf_dad_work()
4075 spin_lock_bh(&ifp->lock); in addrconf_dad_work()
4076 if (ifp->state == INET6_IFADDR_STATE_PREDAD) { in addrconf_dad_work()
4078 ifp->state = INET6_IFADDR_STATE_DAD; in addrconf_dad_work()
4079 } else if (ifp->state == INET6_IFADDR_STATE_ERRDAD) { in addrconf_dad_work()
4081 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_work()
4086 !(ifp->flags & IFA_F_STABLE_PRIVACY)) { in addrconf_dad_work()
4093 ipv6_addr_equal(&ifp->addr, &addr)) { in addrconf_dad_work()
4098 ifp->idev->dev->name); in addrconf_dad_work()
4103 spin_unlock_bh(&ifp->lock); in addrconf_dad_work()
4106 addrconf_dad_begin(ifp); in addrconf_dad_work()
4109 in6_ifa_hold(ifp); in addrconf_dad_work()
4110 addrconf_dad_stop(ifp, 1); in addrconf_dad_work()
4116 if (!ifp->dad_probes && addrconf_dad_end(ifp)) in addrconf_dad_work()
4125 spin_lock(&ifp->lock); in addrconf_dad_work()
4126 if (ifp->state == INET6_IFADDR_STATE_DEAD) { in addrconf_dad_work()
4127 spin_unlock(&ifp->lock); in addrconf_dad_work()
4132 if (ifp->dad_probes == 0) { in addrconf_dad_work()
4139 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_work()
4140 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_work()
4142 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_work()
4143 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_work()
4144 spin_unlock(&ifp->lock); in addrconf_dad_work()
4147 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_work()
4152 ifp->dad_probes--; in addrconf_dad_work()
4153 addrconf_mod_dad_work(ifp, in addrconf_dad_work()
4154 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), in addrconf_dad_work()
4156 spin_unlock(&ifp->lock); in addrconf_dad_work()
4160 addrconf_addr_solict_mult(&ifp->addr, &mcaddr); in addrconf_dad_work()
4161 ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any, in addrconf_dad_work()
4162 ifp->dad_nonce); in addrconf_dad_work()
4164 in6_ifa_put(ifp); in addrconf_dad_work()
4168 /* ifp->idev must be at least read locked */
4169 static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp) in ipv6_lonely_lladdr() argument
4172 struct inet6_dev *idev = ifp->idev; in ipv6_lonely_lladdr()
4177 if (ifp != ifpiter && ifpiter->scope == IFA_LINK && in ipv6_lonely_lladdr()
4186 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id, in addrconf_dad_completed() argument
4189 struct net_device *dev = ifp->idev->dev; in addrconf_dad_completed()
4193 addrconf_del_dad_work(ifp); in addrconf_dad_completed()
4199 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_completed()
4205 read_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4206 send_mld = ifp->scope == IFA_LINK && ipv6_lonely_lladdr(ifp); in addrconf_dad_completed()
4208 ipv6_accept_ra(ifp->idev) && in addrconf_dad_completed()
4209 ifp->idev->cnf.rtr_solicits != 0 && in addrconf_dad_completed()
4212 read_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4218 ipv6_mc_dad_complete(ifp->idev); in addrconf_dad_completed()
4222 (ifp->idev->cnf.ndisc_notify || in addrconf_dad_completed()
4224 ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifp->addr, in addrconf_dad_completed()
4225 /*router=*/ !!ifp->idev->cnf.forwarding, in addrconf_dad_completed()
4240 write_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4241 spin_lock(&ifp->lock); in addrconf_dad_completed()
4242 ifp->idev->rs_interval = rfc3315_s14_backoff_init( in addrconf_dad_completed()
4243 ifp->idev->cnf.rtr_solicit_interval); in addrconf_dad_completed()
4244 ifp->idev->rs_probes = 1; in addrconf_dad_completed()
4245 ifp->idev->if_flags |= IF_RS_SENT; in addrconf_dad_completed()
4246 addrconf_mod_rs_timer(ifp->idev, ifp->idev->rs_interval); in addrconf_dad_completed()
4247 spin_unlock(&ifp->lock); in addrconf_dad_completed()
4248 write_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4257 if (ifp->flags & IFA_F_TEMPORARY) in addrconf_dad_completed()
4263 struct inet6_ifaddr *ifp; in addrconf_dad_run() local
4266 list_for_each_entry(ifp, &idev->addr_list, if_list) { in addrconf_dad_run()
4267 spin_lock(&ifp->lock); in addrconf_dad_run()
4268 if ((ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_run()
4269 ifp->state == INET6_IFADDR_STATE_DAD) || restart) { in addrconf_dad_run()
4271 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_run()
4272 addrconf_dad_kick(ifp); in addrconf_dad_run()
4274 spin_unlock(&ifp->lock); in addrconf_dad_run()
4369 struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v; in if6_seq_show() local
4371 &ifp->addr, in if6_seq_show()
4372 ifp->idev->dev->ifindex, in if6_seq_show()
4373 ifp->prefix_len, in if6_seq_show()
4374 ifp->scope, in if6_seq_show()
4375 (u8) ifp->flags, in if6_seq_show()
4376 ifp->idev->dev->name); in if6_seq_show()
4421 struct inet6_ifaddr *ifp = NULL; in ipv6_chk_home_addr() local
4425 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_home_addr()
4426 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_home_addr()
4428 if (ipv6_addr_equal(&ifp->addr, addr) && in ipv6_chk_home_addr()
4429 (ifp->flags & IFA_F_HOMEADDRESS)) { in ipv6_chk_home_addr()
4454 struct inet6_ifaddr *ifp; in ipv6_chk_rpl_srh_loop() local
4465 hlist_for_each_entry_rcu(ifp, &inet6_addr_lst[hash], addr_lst) { in ipv6_chk_rpl_srh_loop()
4466 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_rpl_srh_loop()
4469 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_rpl_srh_loop()
4499 struct inet6_ifaddr *ifp; in addrconf_verify_rtnl() local
4512 hlist_for_each_entry_rcu_bh(ifp, &inet6_addr_lst[i], addr_lst) { in addrconf_verify_rtnl()
4519 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_verify_rtnl()
4520 (ifp->prefered_lft == INFINITY_LIFE_TIME)) in addrconf_verify_rtnl()
4523 spin_lock(&ifp->lock); in addrconf_verify_rtnl()
4525 age = (now - ifp->tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; in addrconf_verify_rtnl()
4527 if (ifp->valid_lft != INFINITY_LIFE_TIME && in addrconf_verify_rtnl()
4528 age >= ifp->valid_lft) { in addrconf_verify_rtnl()
4529 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4530 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4531 ipv6_del_addr(ifp); in addrconf_verify_rtnl()
4533 } else if (ifp->prefered_lft == INFINITY_LIFE_TIME) { in addrconf_verify_rtnl()
4534 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4536 } else if (age >= ifp->prefered_lft) { in addrconf_verify_rtnl()
4537 /* jiffies - ifp->tstamp > age >= ifp->prefered_lft */ in addrconf_verify_rtnl()
4540 if (!(ifp->flags&IFA_F_DEPRECATED)) { in addrconf_verify_rtnl()
4542 ifp->flags |= IFA_F_DEPRECATED; in addrconf_verify_rtnl()
4545 if ((ifp->valid_lft != INFINITY_LIFE_TIME) && in addrconf_verify_rtnl()
4546 (time_before(ifp->tstamp + ifp->valid_lft * HZ, next))) in addrconf_verify_rtnl()
4547 next = ifp->tstamp + ifp->valid_lft * HZ; in addrconf_verify_rtnl()
4549 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4552 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4554 ipv6_ifa_notify(0, ifp); in addrconf_verify_rtnl()
4555 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4558 } else if ((ifp->flags&IFA_F_TEMPORARY) && in addrconf_verify_rtnl()
4559 !(ifp->flags&IFA_F_TENTATIVE)) { in addrconf_verify_rtnl()
4560 unsigned long regen_advance = ifp->idev->cnf.regen_max_retry * in addrconf_verify_rtnl()
4561 ifp->idev->cnf.dad_transmits * in addrconf_verify_rtnl()
4562 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), HZ/100) / HZ; in addrconf_verify_rtnl()
4564 if (age >= ifp->prefered_lft - regen_advance) { in addrconf_verify_rtnl()
4565 struct inet6_ifaddr *ifpub = ifp->ifpub; in addrconf_verify_rtnl()
4566 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4567 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4568 if (!ifp->regen_count && ifpub) { in addrconf_verify_rtnl()
4569 ifp->regen_count++; in addrconf_verify_rtnl()
4570 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4572 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4580 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4584 } else if (time_before(ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ, next)) in addrconf_verify_rtnl()
4585 next = ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ; in addrconf_verify_rtnl()
4586 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4588 /* ifp->prefered_lft <= ifp->valid_lft */ in addrconf_verify_rtnl()
4589 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4590 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4591 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4683 static int modify_prefix_route(struct inet6_ifaddr *ifp, in modify_prefix_route() argument
4690 f6i = addrconf_get_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4691 ifp->prefix_len, in modify_prefix_route()
4692 ifp->idev->dev, 0, RTF_DEFAULT, true); in modify_prefix_route()
4696 prio = ifp->rt_priority ? : IP6_RT_PRIO_ADDRCONF; in modify_prefix_route()
4699 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in modify_prefix_route()
4702 addrconf_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4703 ifp->prefix_len, in modify_prefix_route()
4704 ifp->rt_priority, ifp->idev->dev, in modify_prefix_route()
4718 static int inet6_addr_modify(struct inet6_ifaddr *ifp, struct ifa6_config *cfg) in inet6_addr_modify() argument
4733 (ifp->flags & IFA_F_TEMPORARY || ifp->prefix_len != 64)) in inet6_addr_modify()
4736 if (!(ifp->flags & IFA_F_TENTATIVE) || ifp->flags & IFA_F_DADFAILED) in inet6_addr_modify()
4758 memcmp(&ifp->peer_addr, cfg->peer_pfx, sizeof(struct in6_addr))) { in inet6_addr_modify()
4759 if (!ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4760 cleanup_prefix_route(ifp, expires, true, true); in inet6_addr_modify()
4764 spin_lock_bh(&ifp->lock); in inet6_addr_modify()
4765 was_managetempaddr = ifp->flags & IFA_F_MANAGETEMPADDR; in inet6_addr_modify()
4766 had_prefixroute = ifp->flags & IFA_F_PERMANENT && in inet6_addr_modify()
4767 !(ifp->flags & IFA_F_NOPREFIXROUTE); in inet6_addr_modify()
4768 ifp->flags &= ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | in inet6_addr_modify()
4771 ifp->flags |= cfg->ifa_flags; in inet6_addr_modify()
4772 ifp->tstamp = jiffies; in inet6_addr_modify()
4773 ifp->valid_lft = cfg->valid_lft; in inet6_addr_modify()
4774 ifp->prefered_lft = cfg->preferred_lft; in inet6_addr_modify()
4776 if (cfg->rt_priority && cfg->rt_priority != ifp->rt_priority) in inet6_addr_modify()
4777 ifp->rt_priority = cfg->rt_priority; in inet6_addr_modify()
4780 ifp->peer_addr = *cfg->peer_pfx; in inet6_addr_modify()
4782 spin_unlock_bh(&ifp->lock); in inet6_addr_modify()
4783 if (!(ifp->flags&IFA_F_TENTATIVE)) in inet6_addr_modify()
4784 ipv6_ifa_notify(0, ifp); in inet6_addr_modify()
4790 rc = modify_prefix_route(ifp, expires, flags, false); in inet6_addr_modify()
4794 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_modify()
4795 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4799 if (had_prefixroute && !ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4800 rc = modify_prefix_route(ifp, expires, flags, true); in inet6_addr_modify()
4802 if (rc == -ENOENT && !ipv6_addr_any(&ifp->peer_addr)) { in inet6_addr_modify()
4803 addrconf_prefix_route(&ifp->peer_addr, ifp->prefix_len, in inet6_addr_modify()
4804 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4811 write_lock_bh(&ifp->idev->lock); in inet6_addr_modify()
4812 action = check_cleanup_prefix_route(ifp, &rt_expires); in inet6_addr_modify()
4813 write_unlock_bh(&ifp->idev->lock); in inet6_addr_modify()
4816 cleanup_prefix_route(ifp, rt_expires, in inet6_addr_modify()
4821 if (was_managetempaddr || ifp->flags & IFA_F_MANAGETEMPADDR) { in inet6_addr_modify()
4823 !(ifp->flags & IFA_F_MANAGETEMPADDR)) { in inet6_addr_modify()
4827 manage_tempaddrs(ifp->idev, ifp, cfg->valid_lft, in inet6_addr_modify()
5720 struct inet6_ifaddr *ifp; in inet6_set_iftoken() local
5769 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_set_iftoken()
5770 spin_lock(&ifp->lock); in inet6_set_iftoken()
5771 if (ifp->tokenized) { in inet6_set_iftoken()
5772 ifp->valid_lft = 0; in inet6_set_iftoken()
5773 ifp->prefered_lft = 0; in inet6_set_iftoken()
5775 spin_unlock(&ifp->lock); in inet6_set_iftoken()
6080 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in __ipv6_ifa_notify() argument
6082 struct net *net = dev_net(ifp->idev->dev); in __ipv6_ifa_notify()
6087 inet6_ifa_notify(event ? : RTM_NEWADDR, ifp); in __ipv6_ifa_notify()
6099 if (ifp->rt && !rcu_access_pointer(ifp->rt->fib6_node)) { in __ipv6_ifa_notify()
6100 ip6_ins_rt(net, ifp->rt); in __ipv6_ifa_notify()
6101 } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) { in __ipv6_ifa_notify()
6103 &ifp->addr, ifp->idev->dev->name); in __ipv6_ifa_notify()
6106 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6107 addrconf_join_anycast(ifp); in __ipv6_ifa_notify()
6108 if (!ipv6_addr_any(&ifp->peer_addr)) in __ipv6_ifa_notify()
6109 addrconf_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6110 ifp->rt_priority, ifp->idev->dev, in __ipv6_ifa_notify()
6114 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6115 addrconf_leave_anycast(ifp); in __ipv6_ifa_notify()
6116 addrconf_leave_solict(ifp->idev, &ifp->addr); in __ipv6_ifa_notify()
6117 if (!ipv6_addr_any(&ifp->peer_addr)) { in __ipv6_ifa_notify()
6120 rt = addrconf_get_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6121 ifp->idev->dev, 0, 0, in __ipv6_ifa_notify()
6126 if (ifp->rt) { in __ipv6_ifa_notify()
6127 ip6_del_rt(net, ifp->rt, false); in __ipv6_ifa_notify()
6128 ifp->rt = NULL; in __ipv6_ifa_notify()
6136 static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in ipv6_ifa_notify() argument
6139 if (likely(ifp->idev->dead == 0)) in ipv6_ifa_notify()
6140 __ipv6_ifa_notify(event, ifp); in ipv6_ifa_notify()