Lines Matching refs:ifp
155 static void addrconf_join_anycast(struct inet6_ifaddr *ifp);
156 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp);
168 static void addrconf_dad_start(struct inet6_ifaddr *ifp);
170 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id,
314 static void addrconf_del_dad_work(struct inet6_ifaddr *ifp) in addrconf_del_dad_work() argument
316 if (cancel_delayed_work(&ifp->dad_work)) in addrconf_del_dad_work()
317 __in6_ifa_put(ifp); in addrconf_del_dad_work()
327 static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp, in addrconf_mod_dad_work() argument
330 in6_ifa_hold(ifp); in addrconf_mod_dad_work()
331 if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay)) in addrconf_mod_dad_work()
332 in6_ifa_put(ifp); in addrconf_mod_dad_work()
969 void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp) in inet6_ifa_finish_destroy() argument
971 WARN_ON(!hlist_unhashed(&ifp->addr_lst)); in inet6_ifa_finish_destroy()
977 in6_dev_put(ifp->idev); in inet6_ifa_finish_destroy()
979 if (cancel_delayed_work(&ifp->dad_work)) in inet6_ifa_finish_destroy()
981 ifp); in inet6_ifa_finish_destroy()
983 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in inet6_ifa_finish_destroy()
984 pr_warn("Freeing alive inet6 address %p\n", ifp); in inet6_ifa_finish_destroy()
988 kfree_rcu(ifp, rcu); in inet6_ifa_finish_destroy()
992 ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) in ipv6_link_dev_addr() argument
995 int ifp_scope = ipv6_addr_src_scope(&ifp->addr); in ipv6_link_dev_addr()
1008 list_add_tail_rcu(&ifp->if_list, p); in ipv6_link_dev_addr()
1021 struct inet6_ifaddr *ifp; in ipv6_chk_same_addr() local
1023 hlist_for_each_entry(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in ipv6_chk_same_addr()
1024 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_same_addr()
1025 if (!dev || ifp->idev->dev == dev) in ipv6_chk_same_addr()
1215 check_cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long *expires) in check_cleanup_prefix_route() argument
1218 struct inet6_dev *idev = ifp->idev; in check_cleanup_prefix_route()
1225 if (ifa == ifp) in check_cleanup_prefix_route()
1227 if (ifa->prefix_len != ifp->prefix_len || in check_cleanup_prefix_route()
1228 !ipv6_prefix_equal(&ifa->addr, &ifp->addr, in check_cleanup_prefix_route()
1229 ifp->prefix_len)) in check_cleanup_prefix_route()
1253 cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long expires, in cleanup_prefix_route() argument
1258 f6i = addrconf_get_prefix_route(del_peer ? &ifp->peer_addr : &ifp->addr, in cleanup_prefix_route()
1259 ifp->prefix_len, in cleanup_prefix_route()
1260 ifp->idev->dev, 0, RTF_DEFAULT, true); in cleanup_prefix_route()
1263 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in cleanup_prefix_route()
1275 static void ipv6_del_addr(struct inet6_ifaddr *ifp) in ipv6_del_addr() argument
1278 struct net *net = dev_net(ifp->idev->dev); in ipv6_del_addr()
1284 spin_lock_bh(&ifp->lock); in ipv6_del_addr()
1285 state = ifp->state; in ipv6_del_addr()
1286 ifp->state = INET6_IFADDR_STATE_DEAD; in ipv6_del_addr()
1287 spin_unlock_bh(&ifp->lock); in ipv6_del_addr()
1293 hlist_del_init_rcu(&ifp->addr_lst); in ipv6_del_addr()
1296 write_lock_bh(&ifp->idev->lock); in ipv6_del_addr()
1298 if (ifp->flags&IFA_F_TEMPORARY) { in ipv6_del_addr()
1299 list_del(&ifp->tmp_list); in ipv6_del_addr()
1300 if (ifp->ifpub) { in ipv6_del_addr()
1301 in6_ifa_put(ifp->ifpub); in ipv6_del_addr()
1302 ifp->ifpub = NULL; in ipv6_del_addr()
1304 __in6_ifa_put(ifp); in ipv6_del_addr()
1307 if (ifp->flags & IFA_F_PERMANENT && !(ifp->flags & IFA_F_NOPREFIXROUTE)) in ipv6_del_addr()
1308 action = check_cleanup_prefix_route(ifp, &expires); in ipv6_del_addr()
1310 list_del_rcu(&ifp->if_list); in ipv6_del_addr()
1311 __in6_ifa_put(ifp); in ipv6_del_addr()
1313 write_unlock_bh(&ifp->idev->lock); in ipv6_del_addr()
1315 addrconf_del_dad_work(ifp); in ipv6_del_addr()
1317 ipv6_ifa_notify(RTM_DELADDR, ifp); in ipv6_del_addr()
1319 inet6addr_notifier_call_chain(NETDEV_DOWN, ifp); in ipv6_del_addr()
1322 cleanup_prefix_route(ifp, expires, in ipv6_del_addr()
1327 rt6_remove_prefsrc(ifp); in ipv6_del_addr()
1329 in6_ifa_put(ifp); in ipv6_del_addr()
1332 static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, bool block) in ipv6_create_tempaddr() argument
1334 struct inet6_dev *idev = ifp->idev; in ipv6_create_tempaddr()
1356 spin_lock_bh(&ifp->lock); in ipv6_create_tempaddr()
1357 if (ifp->regen_count++ >= idev->cnf.regen_max_retry) { in ipv6_create_tempaddr()
1359 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1367 in6_ifa_hold(ifp); in ipv6_create_tempaddr()
1368 memcpy(addr.s6_addr, ifp->addr.s6_addr, 8); in ipv6_create_tempaddr()
1371 age = (now - ifp->tstamp) / HZ; in ipv6_create_tempaddr()
1396 cfg.valid_lft = min_t(__u32, ifp->valid_lft, in ipv6_create_tempaddr()
1399 cfg.preferred_lft = min_t(__u32, ifp->prefered_lft, cfg.preferred_lft); in ipv6_create_tempaddr()
1401 cfg.plen = ifp->prefix_len; in ipv6_create_tempaddr()
1402 tmp_tstamp = ifp->tstamp; in ipv6_create_tempaddr()
1403 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1416 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1424 if (ifp->flags & IFA_F_OPTIMISTIC) in ipv6_create_tempaddr()
1432 in6_ifa_put(ifp); in ipv6_create_tempaddr()
1440 ift->ifpub = ifp; in ipv6_create_tempaddr()
1859 struct inet6_ifaddr *ifp; in __ipv6_get_lladdr() local
1862 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in __ipv6_get_lladdr()
1863 if (ifp->scope > IFA_LINK) in __ipv6_get_lladdr()
1865 if (ifp->scope == IFA_LINK && in __ipv6_get_lladdr()
1866 !(ifp->flags & banned_flags)) { in __ipv6_get_lladdr()
1867 *addr = ifp->addr; in __ipv6_get_lladdr()
1894 const struct inet6_ifaddr *ifp; in ipv6_count_addresses() local
1898 list_for_each_entry_rcu(ifp, &idev->addr_list, if_list) in ipv6_count_addresses()
1928 struct inet6_ifaddr *ifp; in __ipv6_chk_addr_and_flags() local
1937 hlist_for_each_entry_rcu(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in __ipv6_chk_addr_and_flags()
1938 ndev = ifp->idev->dev; in __ipv6_chk_addr_and_flags()
1946 ifp_flags = (ifp->flags&IFA_F_OPTIMISTIC) in __ipv6_chk_addr_and_flags()
1947 ? (ifp->flags&~IFA_F_TENTATIVE) in __ipv6_chk_addr_and_flags()
1948 : ifp->flags; in __ipv6_chk_addr_and_flags()
1949 if (ipv6_addr_equal(&ifp->addr, addr) && in __ipv6_chk_addr_and_flags()
1952 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict))) { in __ipv6_chk_addr_and_flags()
2039 struct inet6_ifaddr *ifp, *result = NULL; in ipv6_get_ifaddr() local
2042 hlist_for_each_entry_rcu(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in ipv6_get_ifaddr()
2043 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_get_ifaddr()
2044 if (!dev || ifp->idev->dev == dev || in ipv6_get_ifaddr()
2045 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) { in ipv6_get_ifaddr()
2046 result = ifp; in ipv6_get_ifaddr()
2047 in6_ifa_hold(ifp); in ipv6_get_ifaddr()
2059 static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed) in addrconf_dad_stop() argument
2062 ifp->flags |= IFA_F_DADFAILED; in addrconf_dad_stop()
2064 if (ifp->flags&IFA_F_TEMPORARY) { in addrconf_dad_stop()
2066 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2067 ifpub = ifp->ifpub; in addrconf_dad_stop()
2070 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2074 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2076 ipv6_del_addr(ifp); in addrconf_dad_stop()
2077 } else if (ifp->flags&IFA_F_PERMANENT || !dad_failed) { in addrconf_dad_stop()
2078 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
2079 addrconf_del_dad_work(ifp); in addrconf_dad_stop()
2080 ifp->flags |= IFA_F_TENTATIVE; in addrconf_dad_stop()
2082 ifp->flags &= ~IFA_F_OPTIMISTIC; in addrconf_dad_stop()
2083 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2085 ipv6_ifa_notify(0, ifp); in addrconf_dad_stop()
2086 in6_ifa_put(ifp); in addrconf_dad_stop()
2088 ipv6_del_addr(ifp); in addrconf_dad_stop()
2092 static int addrconf_dad_end(struct inet6_ifaddr *ifp) in addrconf_dad_end() argument
2096 spin_lock_bh(&ifp->lock); in addrconf_dad_end()
2097 if (ifp->state == INET6_IFADDR_STATE_DAD) { in addrconf_dad_end()
2098 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_end()
2101 spin_unlock_bh(&ifp->lock); in addrconf_dad_end()
2106 void addrconf_dad_failure(struct sk_buff *skb, struct inet6_ifaddr *ifp) in addrconf_dad_failure() argument
2108 struct inet6_dev *idev = ifp->idev; in addrconf_dad_failure()
2111 if (addrconf_dad_end(ifp)) { in addrconf_dad_failure()
2112 in6_ifa_put(ifp); in addrconf_dad_failure()
2117 ifp->idev->dev->name, &ifp->addr, eth_hdr(skb)->h_source); in addrconf_dad_failure()
2119 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2121 if (ifp->flags & IFA_F_STABLE_PRIVACY) { in addrconf_dad_failure()
2124 int retries = ifp->stable_privacy_retry + 1; in addrconf_dad_failure()
2127 .plen = ifp->prefix_len, in addrconf_dad_failure()
2128 .ifa_flags = ifp->flags, in addrconf_dad_failure()
2129 .valid_lft = ifp->valid_lft, in addrconf_dad_failure()
2130 .preferred_lft = ifp->prefered_lft, in addrconf_dad_failure()
2131 .scope = ifp->scope, in addrconf_dad_failure()
2136 ifp->idev->dev->name); in addrconf_dad_failure()
2140 new_addr = ifp->addr; in addrconf_dad_failure()
2145 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2153 ifp->idev->dev->name); in addrconf_dad_failure()
2167 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2172 ifp->state = INET6_IFADDR_STATE_ERRDAD; in addrconf_dad_failure()
2173 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2175 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_failure()
2176 in6_ifa_put(ifp); in addrconf_dad_failure()
2205 static void addrconf_join_anycast(struct inet6_ifaddr *ifp) in addrconf_join_anycast() argument
2209 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_join_anycast()
2211 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_join_anycast()
2214 __ipv6_dev_ac_inc(ifp->idev, &addr); in addrconf_join_anycast()
2218 static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) in addrconf_leave_anycast() argument
2222 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_leave_anycast()
2224 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_leave_anycast()
2227 __ipv6_dev_ac_dec(ifp->idev, &addr); in addrconf_leave_anycast()
2352 struct inet6_ifaddr *ifp; in ipv6_inherit_eui64() local
2355 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in ipv6_inherit_eui64()
2356 if (ifp->scope > IFA_LINK) in ipv6_inherit_eui64()
2358 if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) { in ipv6_inherit_eui64()
2359 memcpy(eui, ifp->addr.s6_addr+8, 8); in ipv6_inherit_eui64()
2522 struct inet6_ifaddr *ifp, in manage_tempaddrs() argument
2534 if (ifp != ift->ifpub) in manage_tempaddrs()
2588 ipv6_create_tempaddr(ifp, false); in manage_tempaddrs()
2607 struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1); in addrconf_prefix_rcv_add_addr() local
2610 if (!ifp && valid_lft) { in addrconf_prefix_rcv_add_addr()
2634 ifp = ipv6_add_addr(in6_dev, &cfg, false, NULL); in addrconf_prefix_rcv_add_addr()
2636 if (IS_ERR_OR_NULL(ifp)) in addrconf_prefix_rcv_add_addr()
2640 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2641 ifp->flags |= IFA_F_MANAGETEMPADDR; in addrconf_prefix_rcv_add_addr()
2642 ifp->cstamp = jiffies; in addrconf_prefix_rcv_add_addr()
2643 ifp->tokenized = tokenized; in addrconf_prefix_rcv_add_addr()
2644 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2645 addrconf_dad_start(ifp); in addrconf_prefix_rcv_add_addr()
2648 if (ifp) { in addrconf_prefix_rcv_add_addr()
2654 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2656 if (ifp->valid_lft > (now - ifp->tstamp) / HZ) in addrconf_prefix_rcv_add_addr()
2657 stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ; in addrconf_prefix_rcv_add_addr()
2679 ifp->valid_lft = valid_lft; in addrconf_prefix_rcv_add_addr()
2680 ifp->prefered_lft = prefered_lft; in addrconf_prefix_rcv_add_addr()
2681 ifp->tstamp = now; in addrconf_prefix_rcv_add_addr()
2682 flags = ifp->flags; in addrconf_prefix_rcv_add_addr()
2683 ifp->flags &= ~IFA_F_DEPRECATED; in addrconf_prefix_rcv_add_addr()
2684 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2687 ipv6_ifa_notify(0, ifp); in addrconf_prefix_rcv_add_addr()
2689 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2691 manage_tempaddrs(in6_dev, ifp, valid_lft, prefered_lft, in addrconf_prefix_rcv_add_addr()
2694 in6_ifa_put(ifp); in addrconf_prefix_rcv_add_addr()
2932 struct inet6_ifaddr *ifp; in inet6_addr_add() local
2997 ifp = ipv6_add_addr(idev, cfg, true, extack); in inet6_addr_add()
2998 if (!IS_ERR(ifp)) { in inet6_addr_add()
3000 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_add()
3001 ifp->rt_priority, dev, expires, in inet6_addr_add()
3008 if (!(ifp->flags & (IFA_F_OPTIMISTIC | IFA_F_NODAD))) in inet6_addr_add()
3009 ipv6_ifa_notify(0, ifp); in inet6_addr_add()
3015 addrconf_dad_start(ifp); in inet6_addr_add()
3017 manage_tempaddrs(idev, ifp, cfg->valid_lft, in inet6_addr_add()
3019 in6_ifa_put(ifp); in inet6_addr_add()
3027 return PTR_ERR(ifp); in inet6_addr_add()
3034 struct inet6_ifaddr *ifp; in inet6_addr_del() local
3056 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_addr_del()
3057 if (ifp->prefix_len == plen && in inet6_addr_del()
3058 ipv6_addr_equal(pfx, &ifp->addr)) { in inet6_addr_del()
3059 in6_ifa_hold(ifp); in inet6_addr_del()
3062 if (!(ifp->flags & IFA_F_TEMPORARY) && in inet6_addr_del()
3064 manage_tempaddrs(idev, ifp, 0, 0, false, in inet6_addr_del()
3066 ipv6_del_addr(ifp); in inet6_addr_del()
3128 struct inet6_ifaddr *ifp; in add_addr() local
3139 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in add_addr()
3140 if (!IS_ERR(ifp)) { in add_addr()
3141 spin_lock_bh(&ifp->lock); in add_addr()
3142 ifp->flags &= ~IFA_F_TENTATIVE; in add_addr()
3143 spin_unlock_bh(&ifp->lock); in add_addr()
3145 ipv6_ifa_notify(RTM_NEWADDR, ifp); in add_addr()
3146 in6_ifa_put(ifp); in add_addr()
3243 struct inet6_ifaddr *ifp; in addrconf_add_linklocal() local
3252 ifp = ipv6_add_addr(idev, &cfg, true, NULL); in addrconf_add_linklocal()
3253 if (!IS_ERR(ifp)) { in addrconf_add_linklocal()
3254 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, 0, idev->dev, in addrconf_add_linklocal()
3256 addrconf_dad_start(ifp); in addrconf_add_linklocal()
3257 in6_ifa_put(ifp); in addrconf_add_linklocal()
3513 struct inet6_ifaddr *ifp) in fixup_permanent_addr() argument
3519 if (!ifp->rt || !ifp->rt->fib6_node) { in fixup_permanent_addr()
3522 f6i = addrconf_f6i_alloc(net, idev, &ifp->addr, false, in fixup_permanent_addr()
3528 spin_lock(&ifp->lock); in fixup_permanent_addr()
3529 prev = ifp->rt; in fixup_permanent_addr()
3530 ifp->rt = f6i; in fixup_permanent_addr()
3531 spin_unlock(&ifp->lock); in fixup_permanent_addr()
3536 if (!(ifp->flags & IFA_F_NOPREFIXROUTE)) { in fixup_permanent_addr()
3537 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in fixup_permanent_addr()
3538 ifp->rt_priority, idev->dev, 0, 0, in fixup_permanent_addr()
3542 if (ifp->state == INET6_IFADDR_STATE_PREDAD) in fixup_permanent_addr()
3543 addrconf_dad_start(ifp); in fixup_permanent_addr()
3550 struct inet6_ifaddr *ifp, *tmp; in addrconf_permanent_addr() local
3559 list_for_each_entry_safe(ifp, tmp, &idev->addr_list, if_list) { in addrconf_permanent_addr()
3560 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_permanent_addr()
3561 fixup_permanent_addr(net, idev, ifp) < 0) { in addrconf_permanent_addr()
3563 in6_ifa_hold(ifp); in addrconf_permanent_addr()
3564 ipv6_del_addr(ifp); in addrconf_permanent_addr()
3568 idev->dev->name, &ifp->addr); in addrconf_permanent_addr()
4003 static void addrconf_dad_kick(struct inet6_ifaddr *ifp) in addrconf_dad_kick() argument
4006 struct inet6_dev *idev = ifp->idev; in addrconf_dad_kick()
4009 if (ifp->flags & IFA_F_OPTIMISTIC) in addrconf_dad_kick()
4021 ifp->dad_nonce = nonce; in addrconf_dad_kick()
4022 ifp->dad_probes = idev->cnf.dad_transmits; in addrconf_dad_kick()
4023 addrconf_mod_dad_work(ifp, rand_num); in addrconf_dad_kick()
4026 static void addrconf_dad_begin(struct inet6_ifaddr *ifp) in addrconf_dad_begin() argument
4028 struct inet6_dev *idev = ifp->idev; in addrconf_dad_begin()
4033 addrconf_join_solict(dev, &ifp->addr); in addrconf_dad_begin()
4036 spin_lock(&ifp->lock); in addrconf_dad_begin()
4037 if (ifp->state == INET6_IFADDR_STATE_DEAD) in addrconf_dad_begin()
4044 !(ifp->flags&IFA_F_TENTATIVE) || in addrconf_dad_begin()
4045 ifp->flags & IFA_F_NODAD) { in addrconf_dad_begin()
4048 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_begin()
4049 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_begin()
4051 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_begin()
4052 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_begin()
4053 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4056 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_begin()
4061 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4068 in6_ifa_hold(ifp); in addrconf_dad_begin()
4069 addrconf_dad_stop(ifp, 0); in addrconf_dad_begin()
4077 if (ifp->flags & IFA_F_OPTIMISTIC) { in addrconf_dad_begin()
4078 ip6_ins_rt(net, ifp->rt); in addrconf_dad_begin()
4087 addrconf_dad_kick(ifp); in addrconf_dad_begin()
4089 spin_unlock(&ifp->lock); in addrconf_dad_begin()
4092 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_begin()
4095 static void addrconf_dad_start(struct inet6_ifaddr *ifp) in addrconf_dad_start() argument
4099 spin_lock_bh(&ifp->lock); in addrconf_dad_start()
4100 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in addrconf_dad_start()
4101 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_start()
4104 spin_unlock_bh(&ifp->lock); in addrconf_dad_start()
4107 addrconf_mod_dad_work(ifp, 0); in addrconf_dad_start()
4112 struct inet6_ifaddr *ifp = container_of(to_delayed_work(w), in addrconf_dad_work() local
4115 struct inet6_dev *idev = ifp->idev; in addrconf_dad_work()
4127 spin_lock_bh(&ifp->lock); in addrconf_dad_work()
4128 if (ifp->state == INET6_IFADDR_STATE_PREDAD) { in addrconf_dad_work()
4130 ifp->state = INET6_IFADDR_STATE_DAD; in addrconf_dad_work()
4131 } else if (ifp->state == INET6_IFADDR_STATE_ERRDAD) { in addrconf_dad_work()
4133 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_work()
4138 !(ifp->flags & IFA_F_STABLE_PRIVACY)) { in addrconf_dad_work()
4145 ipv6_addr_equal(&ifp->addr, &addr)) { in addrconf_dad_work()
4150 ifp->idev->dev->name); in addrconf_dad_work()
4155 spin_unlock_bh(&ifp->lock); in addrconf_dad_work()
4158 addrconf_dad_begin(ifp); in addrconf_dad_work()
4161 in6_ifa_hold(ifp); in addrconf_dad_work()
4162 addrconf_dad_stop(ifp, 1); in addrconf_dad_work()
4168 if (!ifp->dad_probes && addrconf_dad_end(ifp)) in addrconf_dad_work()
4177 spin_lock(&ifp->lock); in addrconf_dad_work()
4178 if (ifp->state == INET6_IFADDR_STATE_DEAD) { in addrconf_dad_work()
4179 spin_unlock(&ifp->lock); in addrconf_dad_work()
4184 if (ifp->dad_probes == 0) { in addrconf_dad_work()
4191 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_work()
4192 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_work()
4194 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_work()
4195 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_work()
4196 spin_unlock(&ifp->lock); in addrconf_dad_work()
4199 addrconf_dad_completed(ifp, bump_id, send_na); in addrconf_dad_work()
4204 ifp->dad_probes--; in addrconf_dad_work()
4205 addrconf_mod_dad_work(ifp, in addrconf_dad_work()
4206 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), in addrconf_dad_work()
4208 spin_unlock(&ifp->lock); in addrconf_dad_work()
4212 addrconf_addr_solict_mult(&ifp->addr, &mcaddr); in addrconf_dad_work()
4213 ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any, in addrconf_dad_work()
4214 ifp->dad_nonce); in addrconf_dad_work()
4216 in6_ifa_put(ifp); in addrconf_dad_work()
4221 static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp) in ipv6_lonely_lladdr() argument
4224 struct inet6_dev *idev = ifp->idev; in ipv6_lonely_lladdr()
4229 if (ifp != ifpiter && ifpiter->scope == IFA_LINK && in ipv6_lonely_lladdr()
4238 static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id, in addrconf_dad_completed() argument
4241 struct net_device *dev = ifp->idev->dev; in addrconf_dad_completed()
4245 addrconf_del_dad_work(ifp); in addrconf_dad_completed()
4251 ipv6_ifa_notify(RTM_NEWADDR, ifp); in addrconf_dad_completed()
4257 read_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4258 send_mld = ifp->scope == IFA_LINK && ipv6_lonely_lladdr(ifp); in addrconf_dad_completed()
4260 ipv6_accept_ra(ifp->idev) && in addrconf_dad_completed()
4261 ifp->idev->cnf.rtr_solicits != 0 && in addrconf_dad_completed()
4265 read_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4271 ipv6_mc_dad_complete(ifp->idev); in addrconf_dad_completed()
4275 (ifp->idev->cnf.ndisc_notify || in addrconf_dad_completed()
4277 ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifp->addr, in addrconf_dad_completed()
4278 /*router=*/ !!ifp->idev->cnf.forwarding, in addrconf_dad_completed()
4293 write_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4294 spin_lock(&ifp->lock); in addrconf_dad_completed()
4295 ifp->idev->rs_interval = rfc3315_s14_backoff_init( in addrconf_dad_completed()
4296 ifp->idev->cnf.rtr_solicit_interval); in addrconf_dad_completed()
4297 ifp->idev->rs_probes = 1; in addrconf_dad_completed()
4298 ifp->idev->if_flags |= IF_RS_SENT; in addrconf_dad_completed()
4299 addrconf_mod_rs_timer(ifp->idev, ifp->idev->rs_interval); in addrconf_dad_completed()
4300 spin_unlock(&ifp->lock); in addrconf_dad_completed()
4301 write_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4310 if (ifp->flags & IFA_F_TEMPORARY) in addrconf_dad_completed()
4316 struct inet6_ifaddr *ifp; in addrconf_dad_run() local
4319 list_for_each_entry(ifp, &idev->addr_list, if_list) { in addrconf_dad_run()
4320 spin_lock(&ifp->lock); in addrconf_dad_run()
4321 if ((ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_run()
4322 ifp->state == INET6_IFADDR_STATE_DAD) || restart) { in addrconf_dad_run()
4324 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_run()
4325 addrconf_dad_kick(ifp); in addrconf_dad_run()
4327 spin_unlock(&ifp->lock); in addrconf_dad_run()
4416 struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v; in if6_seq_show() local
4418 &ifp->addr, in if6_seq_show()
4419 ifp->idev->dev->ifindex, in if6_seq_show()
4420 ifp->prefix_len, in if6_seq_show()
4421 ifp->scope, in if6_seq_show()
4422 (u8) ifp->flags, in if6_seq_show()
4423 ifp->idev->dev->name); in if6_seq_show()
4468 struct inet6_ifaddr *ifp = NULL; in ipv6_chk_home_addr() local
4472 hlist_for_each_entry_rcu(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in ipv6_chk_home_addr()
4473 if (ipv6_addr_equal(&ifp->addr, addr) && in ipv6_chk_home_addr()
4474 (ifp->flags & IFA_F_HOMEADDRESS)) { in ipv6_chk_home_addr()
4499 struct inet6_ifaddr *ifp; in ipv6_chk_rpl_srh_loop() local
4510 hlist_for_each_entry_rcu(ifp, &net->ipv6.inet6_addr_lst[hash], addr_lst) { in ipv6_chk_rpl_srh_loop()
4512 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_rpl_srh_loop()
4542 struct inet6_ifaddr *ifp; in addrconf_verify_rtnl() local
4555 hlist_for_each_entry_rcu_bh(ifp, &net->ipv6.inet6_addr_lst[i], addr_lst) { in addrconf_verify_rtnl()
4562 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_verify_rtnl()
4563 (ifp->prefered_lft == INFINITY_LIFE_TIME)) in addrconf_verify_rtnl()
4566 spin_lock(&ifp->lock); in addrconf_verify_rtnl()
4568 age = (now - ifp->tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; in addrconf_verify_rtnl()
4570 if ((ifp->flags&IFA_F_TEMPORARY) && in addrconf_verify_rtnl()
4571 !(ifp->flags&IFA_F_TENTATIVE) && in addrconf_verify_rtnl()
4572 ifp->prefered_lft != INFINITY_LIFE_TIME && in addrconf_verify_rtnl()
4573 !ifp->regen_count && ifp->ifpub) { in addrconf_verify_rtnl()
4576 unsigned long regen_advance = ifp->idev->cnf.regen_max_retry * in addrconf_verify_rtnl()
4577 ifp->idev->cnf.dad_transmits * in addrconf_verify_rtnl()
4578 max(NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME), HZ/100) / HZ; in addrconf_verify_rtnl()
4580 if (age + regen_advance >= ifp->prefered_lft) { in addrconf_verify_rtnl()
4581 struct inet6_ifaddr *ifpub = ifp->ifpub; in addrconf_verify_rtnl()
4582 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4583 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4585 ifp->regen_count++; in addrconf_verify_rtnl()
4586 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4588 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4596 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4599 } else if (time_before(ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ, next)) in addrconf_verify_rtnl()
4600 next = ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ; in addrconf_verify_rtnl()
4603 if (ifp->valid_lft != INFINITY_LIFE_TIME && in addrconf_verify_rtnl()
4604 age >= ifp->valid_lft) { in addrconf_verify_rtnl()
4605 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4606 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4608 ipv6_del_addr(ifp); in addrconf_verify_rtnl()
4611 } else if (ifp->prefered_lft == INFINITY_LIFE_TIME) { in addrconf_verify_rtnl()
4612 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4614 } else if (age >= ifp->prefered_lft) { in addrconf_verify_rtnl()
4618 if (!(ifp->flags&IFA_F_DEPRECATED)) { in addrconf_verify_rtnl()
4620 ifp->flags |= IFA_F_DEPRECATED; in addrconf_verify_rtnl()
4623 if ((ifp->valid_lft != INFINITY_LIFE_TIME) && in addrconf_verify_rtnl()
4624 (time_before(ifp->tstamp + ifp->valid_lft * HZ, next))) in addrconf_verify_rtnl()
4625 next = ifp->tstamp + ifp->valid_lft * HZ; in addrconf_verify_rtnl()
4627 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4630 in6_ifa_hold(ifp); in addrconf_verify_rtnl()
4632 ipv6_ifa_notify(0, ifp); in addrconf_verify_rtnl()
4633 in6_ifa_put(ifp); in addrconf_verify_rtnl()
4638 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4639 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4640 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4736 static int modify_prefix_route(struct inet6_ifaddr *ifp, in modify_prefix_route() argument
4743 f6i = addrconf_get_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4744 ifp->prefix_len, in modify_prefix_route()
4745 ifp->idev->dev, 0, RTF_DEFAULT, true); in modify_prefix_route()
4749 prio = ifp->rt_priority ? : IP6_RT_PRIO_ADDRCONF; in modify_prefix_route()
4752 ip6_del_rt(dev_net(ifp->idev->dev), f6i, false); in modify_prefix_route()
4755 addrconf_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4756 ifp->prefix_len, in modify_prefix_route()
4757 ifp->rt_priority, ifp->idev->dev, in modify_prefix_route()
4771 static int inet6_addr_modify(struct net *net, struct inet6_ifaddr *ifp, in inet6_addr_modify() argument
4787 (ifp->flags & IFA_F_TEMPORARY || ifp->prefix_len != 64)) in inet6_addr_modify()
4790 if (!(ifp->flags & IFA_F_TENTATIVE) || ifp->flags & IFA_F_DADFAILED) in inet6_addr_modify()
4812 memcmp(&ifp->peer_addr, cfg->peer_pfx, sizeof(struct in6_addr))) { in inet6_addr_modify()
4813 if (!ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4814 cleanup_prefix_route(ifp, expires, true, true); in inet6_addr_modify()
4818 spin_lock_bh(&ifp->lock); in inet6_addr_modify()
4819 was_managetempaddr = ifp->flags & IFA_F_MANAGETEMPADDR; in inet6_addr_modify()
4820 had_prefixroute = ifp->flags & IFA_F_PERMANENT && in inet6_addr_modify()
4821 !(ifp->flags & IFA_F_NOPREFIXROUTE); in inet6_addr_modify()
4822 ifp->flags &= ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | in inet6_addr_modify()
4825 ifp->flags |= cfg->ifa_flags; in inet6_addr_modify()
4826 ifp->tstamp = jiffies; in inet6_addr_modify()
4827 ifp->valid_lft = cfg->valid_lft; in inet6_addr_modify()
4828 ifp->prefered_lft = cfg->preferred_lft; in inet6_addr_modify()
4829 ifp->ifa_proto = cfg->ifa_proto; in inet6_addr_modify()
4831 if (cfg->rt_priority && cfg->rt_priority != ifp->rt_priority) in inet6_addr_modify()
4832 ifp->rt_priority = cfg->rt_priority; in inet6_addr_modify()
4835 ifp->peer_addr = *cfg->peer_pfx; in inet6_addr_modify()
4837 spin_unlock_bh(&ifp->lock); in inet6_addr_modify()
4838 if (!(ifp->flags&IFA_F_TENTATIVE)) in inet6_addr_modify()
4839 ipv6_ifa_notify(0, ifp); in inet6_addr_modify()
4845 rc = modify_prefix_route(ifp, expires, flags, false); in inet6_addr_modify()
4849 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_modify()
4850 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4854 if (had_prefixroute && !ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4855 rc = modify_prefix_route(ifp, expires, flags, true); in inet6_addr_modify()
4857 if (rc == -ENOENT && !ipv6_addr_any(&ifp->peer_addr)) { in inet6_addr_modify()
4858 addrconf_prefix_route(&ifp->peer_addr, ifp->prefix_len, in inet6_addr_modify()
4859 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4866 write_lock_bh(&ifp->idev->lock); in inet6_addr_modify()
4867 action = check_cleanup_prefix_route(ifp, &rt_expires); in inet6_addr_modify()
4868 write_unlock_bh(&ifp->idev->lock); in inet6_addr_modify()
4871 cleanup_prefix_route(ifp, rt_expires, in inet6_addr_modify()
4876 if (was_managetempaddr || ifp->flags & IFA_F_MANAGETEMPADDR) { in inet6_addr_modify()
4878 !(ifp->flags & IFA_F_MANAGETEMPADDR)) { in inet6_addr_modify()
4882 manage_tempaddrs(ifp->idev, ifp, cfg->valid_lft, in inet6_addr_modify()
5798 struct inet6_ifaddr *ifp; in inet6_set_iftoken() local
5864 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_set_iftoken()
5865 spin_lock(&ifp->lock); in inet6_set_iftoken()
5866 if (ifp->tokenized) { in inet6_set_iftoken()
5867 ifp->valid_lft = 0; in inet6_set_iftoken()
5868 ifp->prefered_lft = 0; in inet6_set_iftoken()
5870 spin_unlock(&ifp->lock); in inet6_set_iftoken()
6185 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in __ipv6_ifa_notify() argument
6187 struct net *net = dev_net(ifp->idev->dev); in __ipv6_ifa_notify()
6192 inet6_ifa_notify(event ? : RTM_NEWADDR, ifp); in __ipv6_ifa_notify()
6204 if (ifp->rt && !rcu_access_pointer(ifp->rt->fib6_node)) { in __ipv6_ifa_notify()
6205 ip6_ins_rt(net, ifp->rt); in __ipv6_ifa_notify()
6206 } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) { in __ipv6_ifa_notify()
6208 &ifp->addr, ifp->idev->dev->name); in __ipv6_ifa_notify()
6211 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6212 addrconf_join_anycast(ifp); in __ipv6_ifa_notify()
6213 if (!ipv6_addr_any(&ifp->peer_addr)) in __ipv6_ifa_notify()
6214 addrconf_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6215 ifp->rt_priority, ifp->idev->dev, in __ipv6_ifa_notify()
6219 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
6220 addrconf_leave_anycast(ifp); in __ipv6_ifa_notify()
6221 addrconf_leave_solict(ifp->idev, &ifp->addr); in __ipv6_ifa_notify()
6222 if (!ipv6_addr_any(&ifp->peer_addr)) { in __ipv6_ifa_notify()
6225 rt = addrconf_get_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
6226 ifp->idev->dev, 0, 0, in __ipv6_ifa_notify()
6231 if (ifp->rt) { in __ipv6_ifa_notify()
6232 ip6_del_rt(net, ifp->rt, false); in __ipv6_ifa_notify()
6233 ifp->rt = NULL; in __ipv6_ifa_notify()
6241 static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) in ipv6_ifa_notify() argument
6243 if (likely(ifp->idev->dead == 0)) in ipv6_ifa_notify()
6244 __ipv6_ifa_notify(event, ifp); in ipv6_ifa_notify()