Lines Matching +full:route +full:- +full:ptp
57 #include <linux/route.h>
104 return (cstamp - INITIAL_JIFFIES) * 100UL / HZ; in cstamp_delta()
306 if (del_timer(&idev->rs_timer)) in addrconf_del_rs_timer()
312 if (cancel_delayed_work(&ifp->dad_work)) in addrconf_del_dad_work()
319 if (!timer_pending(&idev->rs_timer)) in addrconf_mod_rs_timer()
321 mod_timer(&idev->rs_timer, jiffies + when); in addrconf_mod_rs_timer()
328 if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay)) in addrconf_mod_dad_work()
336 idev->stats.ipv6 = alloc_percpu(struct ipstats_mib); in snmp6_alloc_dev()
337 if (!idev->stats.ipv6) in snmp6_alloc_dev()
342 addrconf_stats = per_cpu_ptr(idev->stats.ipv6, i); in snmp6_alloc_dev()
343 u64_stats_init(&addrconf_stats->syncp); in snmp6_alloc_dev()
347 idev->stats.icmpv6dev = kzalloc(sizeof(struct icmpv6_mib_device), in snmp6_alloc_dev()
349 if (!idev->stats.icmpv6dev) in snmp6_alloc_dev()
351 idev->stats.icmpv6msgdev = kzalloc(sizeof(struct icmpv6msg_mib_device), in snmp6_alloc_dev()
353 if (!idev->stats.icmpv6msgdev) in snmp6_alloc_dev()
359 kfree(idev->stats.icmpv6dev); in snmp6_alloc_dev()
361 free_percpu(idev->stats.ipv6); in snmp6_alloc_dev()
363 return -ENOMEM; in snmp6_alloc_dev()
369 int err = -ENOMEM; in ipv6_add_dev()
373 if (dev->mtu < IPV6_MIN_MTU) in ipv6_add_dev()
374 return ERR_PTR(-EINVAL); in ipv6_add_dev()
380 rwlock_init(&ndev->lock); in ipv6_add_dev()
381 ndev->dev = dev; in ipv6_add_dev()
382 INIT_LIST_HEAD(&ndev->addr_list); in ipv6_add_dev()
383 timer_setup(&ndev->rs_timer, addrconf_rs_timer, 0); in ipv6_add_dev()
384 memcpy(&ndev->cnf, dev_net(dev)->ipv6.devconf_dflt, sizeof(ndev->cnf)); in ipv6_add_dev()
386 if (ndev->cnf.stable_secret.initialized) in ipv6_add_dev()
387 ndev->cnf.addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY; in ipv6_add_dev()
389 ndev->cnf.mtu6 = dev->mtu; in ipv6_add_dev()
390 ndev->nd_parms = neigh_parms_alloc(dev, &nd_tbl); in ipv6_add_dev()
391 if (!ndev->nd_parms) { in ipv6_add_dev()
395 if (ndev->cnf.forwarding) in ipv6_add_dev()
403 neigh_parms_release(&nd_tbl, ndev->nd_parms); in ipv6_add_dev()
411 __func__, dev->name); in ipv6_add_dev()
416 refcount_set(&ndev->refcnt, 1); in ipv6_add_dev()
418 if (dev->flags & (IFF_NOARP | IFF_LOOPBACK)) in ipv6_add_dev()
419 ndev->cnf.accept_dad = -1; in ipv6_add_dev()
422 if (dev->type == ARPHRD_SIT && (dev->priv_flags & IFF_ISATAP)) { in ipv6_add_dev()
423 pr_info("%s: Disabled Multicast RS\n", dev->name); in ipv6_add_dev()
424 ndev->cnf.rtr_solicits = 0; in ipv6_add_dev()
428 INIT_LIST_HEAD(&ndev->tempaddr_list); in ipv6_add_dev()
429 ndev->desync_factor = U32_MAX; in ipv6_add_dev()
430 if ((dev->flags&IFF_LOOPBACK) || in ipv6_add_dev()
431 dev->type == ARPHRD_TUNNEL || in ipv6_add_dev()
432 dev->type == ARPHRD_TUNNEL6 || in ipv6_add_dev()
433 dev->type == ARPHRD_SIT || in ipv6_add_dev()
434 dev->type == ARPHRD_NONE) { in ipv6_add_dev()
435 ndev->cnf.use_tempaddr = -1; in ipv6_add_dev()
439 ndev->token = in6addr_any; in ipv6_add_dev()
442 ndev->if_flags |= IF_READY; in ipv6_add_dev()
445 ndev->tstamp = jiffies; in ipv6_add_dev()
453 rcu_assign_pointer(dev->ip6_ptr, ndev); in ipv6_add_dev()
455 /* Join interface-local all-node multicast group */ in ipv6_add_dev()
458 /* Join all-node multicast group */ in ipv6_add_dev()
461 /* Join all-router multicast group if forwarding is set */ in ipv6_add_dev()
462 if (ndev->cnf.forwarding && (dev->flags & IFF_MULTICAST)) in ipv6_add_dev()
468 neigh_parms_release(&nd_tbl, ndev->nd_parms); in ipv6_add_dev()
469 ndev->dead = 1; in ipv6_add_dev()
487 if (dev->flags&IFF_UP) in ipv6_find_idev()
528 return -EMSGSIZE; in inet6_netconf_fill_devconf()
534 ncm->ncm_family = AF_INET6; in inet6_netconf_fill_devconf()
543 nla_put_s32(skb, NETCONFA_FORWARDING, devconf->forwarding) < 0) in inet6_netconf_fill_devconf()
548 devconf->mc_forwarding) < 0) in inet6_netconf_fill_devconf()
552 nla_put_s32(skb, NETCONFA_PROXY_NEIGH, devconf->proxy_ndp) < 0) in inet6_netconf_fill_devconf()
557 devconf->ignore_routes_with_linkdown) < 0) in inet6_netconf_fill_devconf()
566 return -EMSGSIZE; in inet6_netconf_fill_devconf()
573 int err = -ENOBUFS; in inet6_netconf_notify_devconf()
582 /* -EMSGSIZE implies BUG in inet6_netconf_msgsize_devconf() */ in inet6_netconf_notify_devconf()
583 WARN_ON(err == -EMSGSIZE); in inet6_netconf_notify_devconf()
604 struct net *net = sock_net(in_skb->sk); in inet6_netconf_get_devconf()
620 return -EINVAL; in inet6_netconf_get_devconf()
622 err = -EINVAL; in inet6_netconf_get_devconf()
626 devconf = net->ipv6.devconf_all; in inet6_netconf_get_devconf()
629 devconf = net->ipv6.devconf_dflt; in inet6_netconf_get_devconf()
634 return -EINVAL; in inet6_netconf_get_devconf()
638 devconf = &in6_dev->cnf; in inet6_netconf_get_devconf()
642 err = -ENOBUFS; in inet6_netconf_get_devconf()
649 nlh->nlmsg_seq, RTM_NEWNETCONF, 0, in inet6_netconf_get_devconf()
652 /* -EMSGSIZE implies BUG in inet6_netconf_msgsize_devconf() */ in inet6_netconf_get_devconf()
653 WARN_ON(err == -EMSGSIZE); in inet6_netconf_get_devconf()
669 struct net *net = sock_net(skb->sk); in inet6_netconf_dump_devconf()
676 s_h = cb->args[0]; in inet6_netconf_dump_devconf()
677 s_idx = idx = cb->args[1]; in inet6_netconf_dump_devconf()
681 head = &net->dev_index_head[h]; in inet6_netconf_dump_devconf()
683 cb->seq = atomic_read(&net->ipv6.dev_addr_genid) ^ in inet6_netconf_dump_devconf()
684 net->dev_base_seq; in inet6_netconf_dump_devconf()
692 if (inet6_netconf_fill_devconf(skb, dev->ifindex, in inet6_netconf_dump_devconf()
693 &idev->cnf, in inet6_netconf_dump_devconf()
694 NETLINK_CB(cb->skb).portid, in inet6_netconf_dump_devconf()
695 cb->nlh->nlmsg_seq, in inet6_netconf_dump_devconf()
710 net->ipv6.devconf_all, in inet6_netconf_dump_devconf()
711 NETLINK_CB(cb->skb).portid, in inet6_netconf_dump_devconf()
712 cb->nlh->nlmsg_seq, in inet6_netconf_dump_devconf()
721 net->ipv6.devconf_dflt, in inet6_netconf_dump_devconf()
722 NETLINK_CB(cb->skb).portid, in inet6_netconf_dump_devconf()
723 cb->nlh->nlmsg_seq, in inet6_netconf_dump_devconf()
731 cb->args[0] = h; in inet6_netconf_dump_devconf()
732 cb->args[1] = idx; in inet6_netconf_dump_devconf()
734 return skb->len; in inet6_netconf_dump_devconf()
745 dev = idev->dev; in dev_forward_change()
746 if (idev->cnf.forwarding) in dev_forward_change()
748 if (dev->flags & IFF_MULTICAST) { in dev_forward_change()
749 if (idev->cnf.forwarding) { in dev_forward_change()
760 list_for_each_entry(ifa, &idev->addr_list, if_list) { in dev_forward_change()
761 if (ifa->flags&IFA_F_TENTATIVE) in dev_forward_change()
763 if (idev->cnf.forwarding) in dev_forward_change()
770 dev->ifindex, &idev->cnf); in dev_forward_change()
782 int changed = (!idev->cnf.forwarding) ^ (!newf); in addrconf_forward_change()
783 idev->cnf.forwarding = newf; in addrconf_forward_change()
798 net = (struct net *)table->extra2; in addrconf_fixup_forwarding()
802 if (p == &net->ipv6.devconf_dflt->forwarding) { in addrconf_fixup_forwarding()
807 net->ipv6.devconf_dflt); in addrconf_fixup_forwarding()
812 if (p == &net->ipv6.devconf_all->forwarding) { in addrconf_fixup_forwarding()
813 int old_dflt = net->ipv6.devconf_dflt->forwarding; in addrconf_fixup_forwarding()
815 net->ipv6.devconf_dflt->forwarding = newf; in addrconf_fixup_forwarding()
820 net->ipv6.devconf_dflt); in addrconf_fixup_forwarding()
827 net->ipv6.devconf_all); in addrconf_fixup_forwarding()
829 dev_forward_change((struct inet6_dev *)table->extra1); in addrconf_fixup_forwarding()
845 int changed = (!idev->cnf.ignore_routes_with_linkdown) ^ (!newf); in addrconf_linkdown_change()
847 idev->cnf.ignore_routes_with_linkdown = newf; in addrconf_linkdown_change()
852 dev->ifindex, in addrconf_linkdown_change()
853 &idev->cnf); in addrconf_linkdown_change()
866 net = (struct net *)table->extra2; in addrconf_fixup_linkdown()
870 if (p == &net->ipv6.devconf_dflt->ignore_routes_with_linkdown) { in addrconf_fixup_linkdown()
876 net->ipv6.devconf_dflt); in addrconf_fixup_linkdown()
881 if (p == &net->ipv6.devconf_all->ignore_routes_with_linkdown) { in addrconf_fixup_linkdown()
882 net->ipv6.devconf_dflt->ignore_routes_with_linkdown = newf; in addrconf_fixup_linkdown()
889 net->ipv6.devconf_all); in addrconf_fixup_linkdown()
901 WARN_ON(!hlist_unhashed(&ifp->addr_lst)); in inet6_ifa_finish_destroy()
907 in6_dev_put(ifp->idev); in inet6_ifa_finish_destroy()
909 if (cancel_delayed_work(&ifp->dad_work)) in inet6_ifa_finish_destroy()
913 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in inet6_ifa_finish_destroy()
925 int ifp_scope = ipv6_addr_src_scope(&ifp->addr); in ipv6_link_dev_addr()
928 * Each device address list is sorted in order of scope - in ipv6_link_dev_addr()
931 list_for_each(p, &idev->addr_list) { in ipv6_link_dev_addr()
934 if (ifp_scope >= ipv6_addr_src_scope(&ifa->addr)) in ipv6_link_dev_addr()
938 list_add_tail_rcu(&ifp->if_list, p); in ipv6_link_dev_addr()
954 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_same_addr()
956 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_chk_same_addr()
957 if (!dev || ifp->idev->dev == dev) in ipv6_chk_same_addr()
966 unsigned int hash = inet6_addr_hash(dev_net(dev), &ifa->addr); in ipv6_add_addr_hash()
972 if (ipv6_chk_same_addr(dev_net(dev), &ifa->addr, dev, hash)) { in ipv6_add_addr_hash()
974 err = -EEXIST; in ipv6_add_addr_hash()
976 hlist_add_head_rcu(&ifa->addr_lst, &inet6_addr_lst[hash]); in ipv6_add_addr_hash()
991 int addr_type = ipv6_addr_type(cfg->pfx); in ipv6_add_addr()
992 struct net *net = dev_net(idev->dev); in ipv6_add_addr()
999 !(cfg->ifa_flags & IFA_F_MCAUTOJOIN)) || in ipv6_add_addr()
1000 (!(idev->dev->flags & IFF_LOOPBACK) && in ipv6_add_addr()
1002 return ERR_PTR(-EADDRNOTAVAIL); in ipv6_add_addr()
1004 if (idev->dead) { in ipv6_add_addr()
1005 err = -ENODEV; /*XXX*/ in ipv6_add_addr()
1009 if (idev->cnf.disable_ipv6) { in ipv6_add_addr()
1010 err = -EACCES; in ipv6_add_addr()
1019 .i6vi_addr = *cfg->pfx, in ipv6_add_addr()
1032 err = -ENOBUFS; in ipv6_add_addr()
1036 f6i = addrconf_f6i_alloc(net, idev, cfg->pfx, false, gfp_flags); in ipv6_add_addr()
1043 if (net->ipv6.devconf_all->disable_policy || in ipv6_add_addr()
1044 idev->cnf.disable_policy) in ipv6_add_addr()
1045 f6i->dst_nopolicy = true; in ipv6_add_addr()
1047 neigh_parms_data_state_setall(idev->nd_parms); in ipv6_add_addr()
1049 ifa->addr = *cfg->pfx; in ipv6_add_addr()
1050 if (cfg->peer_pfx) in ipv6_add_addr()
1051 ifa->peer_addr = *cfg->peer_pfx; in ipv6_add_addr()
1053 spin_lock_init(&ifa->lock); in ipv6_add_addr()
1054 INIT_DELAYED_WORK(&ifa->dad_work, addrconf_dad_work); in ipv6_add_addr()
1055 INIT_HLIST_NODE(&ifa->addr_lst); in ipv6_add_addr()
1056 ifa->scope = cfg->scope; in ipv6_add_addr()
1057 ifa->prefix_len = cfg->plen; in ipv6_add_addr()
1058 ifa->rt_priority = cfg->rt_priority; in ipv6_add_addr()
1059 ifa->flags = cfg->ifa_flags; in ipv6_add_addr()
1061 if (!(cfg->ifa_flags & IFA_F_NODAD)) in ipv6_add_addr()
1062 ifa->flags |= IFA_F_TENTATIVE; in ipv6_add_addr()
1063 ifa->valid_lft = cfg->valid_lft; in ipv6_add_addr()
1064 ifa->prefered_lft = cfg->preferred_lft; in ipv6_add_addr()
1065 ifa->cstamp = ifa->tstamp = jiffies; in ipv6_add_addr()
1066 ifa->tokenized = false; in ipv6_add_addr()
1068 ifa->rt = f6i; in ipv6_add_addr()
1070 ifa->idev = idev; in ipv6_add_addr()
1074 refcount_set(&ifa->refcnt, 1); in ipv6_add_addr()
1078 err = ipv6_add_addr_hash(idev->dev, ifa); in ipv6_add_addr()
1084 write_lock(&idev->lock); in ipv6_add_addr()
1089 if (ifa->flags&IFA_F_TEMPORARY) { in ipv6_add_addr()
1090 list_add(&ifa->tmp_list, &idev->tempaddr_list); in ipv6_add_addr()
1095 write_unlock(&idev->lock); in ipv6_add_addr()
1105 if (ifa->idev) in ipv6_add_addr()
1106 in6_dev_put(ifa->idev); in ipv6_add_addr()
1116 CLEANUP_PREFIX_RT_NOP, /* no cleanup action for prefix route */
1117 CLEANUP_PREFIX_RT_DEL, /* delete the prefix route */
1118 CLEANUP_PREFIX_RT_EXPIRE, /* update the lifetime of the prefix route */
1122 * Check, whether the prefix for ifp would still need a prefix route
1143 struct inet6_dev *idev = ifp->idev; in check_cleanup_prefix_route()
1149 list_for_each_entry(ifa, &idev->addr_list, if_list) { in check_cleanup_prefix_route()
1152 if (ifa->prefix_len != ifp->prefix_len || in check_cleanup_prefix_route()
1153 !ipv6_prefix_equal(&ifa->addr, &ifp->addr, in check_cleanup_prefix_route()
1154 ifp->prefix_len)) in check_cleanup_prefix_route()
1156 if (ifa->flags & (IFA_F_PERMANENT | IFA_F_NOPREFIXROUTE)) in check_cleanup_prefix_route()
1161 spin_lock(&ifa->lock); in check_cleanup_prefix_route()
1163 lifetime = addrconf_timeout_fixup(ifa->valid_lft, HZ); in check_cleanup_prefix_route()
1169 if (time_before(*expires, ifa->tstamp + lifetime * HZ)) in check_cleanup_prefix_route()
1170 *expires = ifa->tstamp + lifetime * HZ; in check_cleanup_prefix_route()
1171 spin_unlock(&ifa->lock); in check_cleanup_prefix_route()
1183 f6i = addrconf_get_prefix_route(del_peer ? &ifp->peer_addr : &ifp->addr, in cleanup_prefix_route()
1184 ifp->prefix_len, in cleanup_prefix_route()
1185 ifp->idev->dev, in cleanup_prefix_route()
1189 ip6_del_rt(dev_net(ifp->idev->dev), f6i); in cleanup_prefix_route()
1191 if (!(f6i->fib6_flags & RTF_EXPIRES)) in cleanup_prefix_route()
1209 spin_lock_bh(&ifp->lock); in ipv6_del_addr()
1210 state = ifp->state; in ipv6_del_addr()
1211 ifp->state = INET6_IFADDR_STATE_DEAD; in ipv6_del_addr()
1212 spin_unlock_bh(&ifp->lock); in ipv6_del_addr()
1218 hlist_del_init_rcu(&ifp->addr_lst); in ipv6_del_addr()
1221 write_lock_bh(&ifp->idev->lock); in ipv6_del_addr()
1223 if (ifp->flags&IFA_F_TEMPORARY) { in ipv6_del_addr()
1224 list_del(&ifp->tmp_list); in ipv6_del_addr()
1225 if (ifp->ifpub) { in ipv6_del_addr()
1226 in6_ifa_put(ifp->ifpub); in ipv6_del_addr()
1227 ifp->ifpub = NULL; in ipv6_del_addr()
1232 if (ifp->flags & IFA_F_PERMANENT && !(ifp->flags & IFA_F_NOPREFIXROUTE)) in ipv6_del_addr()
1235 list_del_rcu(&ifp->if_list); in ipv6_del_addr()
1238 write_unlock_bh(&ifp->idev->lock); in ipv6_del_addr()
1261 struct inet6_dev *idev = ifp->idev; in ipv6_create_tempaddr()
1271 write_lock_bh(&idev->lock); in ipv6_create_tempaddr()
1273 spin_lock_bh(&ift->lock); in ipv6_create_tempaddr()
1274 memcpy(&addr.s6_addr[8], &ift->addr.s6_addr[8], 8); in ipv6_create_tempaddr()
1275 spin_unlock_bh(&ift->lock); in ipv6_create_tempaddr()
1282 if (idev->cnf.use_tempaddr <= 0) { in ipv6_create_tempaddr()
1283 write_unlock_bh(&idev->lock); in ipv6_create_tempaddr()
1286 ret = -1; in ipv6_create_tempaddr()
1289 spin_lock_bh(&ifp->lock); in ipv6_create_tempaddr()
1290 if (ifp->regen_count++ >= idev->cnf.regen_max_retry) { in ipv6_create_tempaddr()
1291 idev->cnf.use_tempaddr = -1; /*XXX*/ in ipv6_create_tempaddr()
1292 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1293 write_unlock_bh(&idev->lock); in ipv6_create_tempaddr()
1294 pr_warn("%s: regeneration time exceeded - disabled temporary address support\n", in ipv6_create_tempaddr()
1297 ret = -1; in ipv6_create_tempaddr()
1301 memcpy(addr.s6_addr, ifp->addr.s6_addr, 8); in ipv6_create_tempaddr()
1303 memcpy(&addr.s6_addr[8], idev->rndid, 8); in ipv6_create_tempaddr()
1304 age = (now - ifp->tstamp) / HZ; in ipv6_create_tempaddr()
1306 regen_advance = idev->cnf.regen_max_retry * in ipv6_create_tempaddr()
1307 idev->cnf.dad_transmits * in ipv6_create_tempaddr()
1308 NEIGH_VAR(idev->nd_parms, RETRANS_TIME) / HZ; in ipv6_create_tempaddr()
1311 * idev->desync_factor if it's larger in ipv6_create_tempaddr()
1313 cnf_temp_preferred_lft = READ_ONCE(idev->cnf.temp_prefered_lft); in ipv6_create_tempaddr()
1315 idev->cnf.max_desync_factor, in ipv6_create_tempaddr()
1316 cnf_temp_preferred_lft - regen_advance); in ipv6_create_tempaddr()
1318 if (unlikely(idev->desync_factor > max_desync_factor)) { in ipv6_create_tempaddr()
1320 get_random_bytes(&idev->desync_factor, in ipv6_create_tempaddr()
1321 sizeof(idev->desync_factor)); in ipv6_create_tempaddr()
1322 idev->desync_factor %= max_desync_factor; in ipv6_create_tempaddr()
1324 idev->desync_factor = 0; in ipv6_create_tempaddr()
1329 cfg.valid_lft = min_t(__u32, ifp->valid_lft, in ipv6_create_tempaddr()
1330 idev->cnf.temp_valid_lft + age); in ipv6_create_tempaddr()
1331 cfg.preferred_lft = cnf_temp_preferred_lft + age - idev->desync_factor; in ipv6_create_tempaddr()
1332 cfg.preferred_lft = min_t(__u32, ifp->prefered_lft, cfg.preferred_lft); in ipv6_create_tempaddr()
1334 cfg.plen = ifp->prefix_len; in ipv6_create_tempaddr()
1335 tmp_tstamp = ifp->tstamp; in ipv6_create_tempaddr()
1336 spin_unlock_bh(&ifp->lock); in ipv6_create_tempaddr()
1338 write_unlock_bh(&idev->lock); in ipv6_create_tempaddr()
1347 age = (now - tmp_tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; in ipv6_create_tempaddr()
1351 ret = -1; in ipv6_create_tempaddr()
1357 if (ifp->flags & IFA_F_OPTIMISTIC) in ipv6_create_tempaddr()
1369 write_lock_bh(&idev->lock); in ipv6_create_tempaddr()
1373 spin_lock_bh(&ift->lock); in ipv6_create_tempaddr()
1374 ift->ifpub = ifp; in ipv6_create_tempaddr()
1375 ift->cstamp = now; in ipv6_create_tempaddr()
1376 ift->tstamp = tmp_tstamp; in ipv6_create_tempaddr()
1377 spin_unlock_bh(&ift->lock); in ipv6_create_tempaddr()
1438 if (!net->ipv6.devconf_all->optimistic_dad && !idev->cnf.optimistic_dad) in ipv6_use_optimistic_addr()
1440 if (!net->ipv6.devconf_all->use_optimistic && !idev->cnf.use_optimistic) in ipv6_use_optimistic_addr()
1455 if (!net->ipv6.devconf_all->optimistic_dad && !idev->cnf.optimistic_dad) in ipv6_allow_optimistic_dad()
1471 if (i <= score->rule) { in ipv6_get_saddr_eval()
1474 ret = score->scopedist; in ipv6_get_saddr_eval()
1477 ret = score->matchlen; in ipv6_get_saddr_eval()
1480 ret = !!test_bit(i, score->scorebits); in ipv6_get_saddr_eval()
1488 ret = !!score->ifa; in ipv6_get_saddr_eval()
1492 ret = ipv6_addr_equal(&score->ifa->addr, dst->addr); in ipv6_get_saddr_eval()
1499 * -1 | d 15 in ipv6_get_saddr_eval()
1500 * ---+--+-+---> scope in ipv6_get_saddr_eval()
1503 * B-d | \ in ipv6_get_saddr_eval()
1504 * | \ <- smaller scope is better if in ipv6_get_saddr_eval()
1505 * B-15 | \ if scope is enough for destination. in ipv6_get_saddr_eval()
1506 * | ret = B - scope (-1 <= scope >= d <= 15). in ipv6_get_saddr_eval()
1507 * d-C-1 | / in ipv6_get_saddr_eval()
1508 * |/ <- greater is better in ipv6_get_saddr_eval()
1509 * -C / if scope is not enough for destination. in ipv6_get_saddr_eval()
1510 * /| ret = scope - C (-1 <= d < scope <= 15). in ipv6_get_saddr_eval()
1512 * d - C - 1 < B -15 (for all -1 <= d <= 15). in ipv6_get_saddr_eval()
1513 * C > d + 14 - B >= 15 + 14 - B = 29 - B. in ipv6_get_saddr_eval()
1516 ret = __ipv6_addr_src_scope(score->addr_type); in ipv6_get_saddr_eval()
1517 if (ret >= dst->scope) in ipv6_get_saddr_eval()
1518 ret = -ret; in ipv6_get_saddr_eval()
1520 ret -= 128; /* 30 is enough */ in ipv6_get_saddr_eval()
1521 score->scopedist = ret; in ipv6_get_saddr_eval()
1528 if (!ipv6_use_optimistic_addr(net, score->ifa->idev)) in ipv6_get_saddr_eval()
1530 ret = ipv6_saddr_preferred(score->addr_type) || in ipv6_get_saddr_eval()
1531 !(score->ifa->flags & avoid); in ipv6_get_saddr_eval()
1538 int prefhome = !(dst->prefs & IPV6_PREFER_SRC_COA); in ipv6_get_saddr_eval()
1539 ret = !(score->ifa->flags & IFA_F_HOMEADDRESS) ^ prefhome; in ipv6_get_saddr_eval()
1545 ret = (!dst->ifindex || in ipv6_get_saddr_eval()
1546 dst->ifindex == score->ifa->idev->dev->ifindex); in ipv6_get_saddr_eval()
1551 &score->ifa->addr, score->addr_type, in ipv6_get_saddr_eval()
1552 score->ifa->idev->dev->ifindex) == dst->label; in ipv6_get_saddr_eval()
1559 int preftmp = dst->prefs & (IPV6_PREFER_SRC_PUBLIC|IPV6_PREFER_SRC_TMP) ? in ipv6_get_saddr_eval()
1560 !!(dst->prefs & IPV6_PREFER_SRC_TMP) : in ipv6_get_saddr_eval()
1561 score->ifa->idev->cnf.use_tempaddr >= 2; in ipv6_get_saddr_eval()
1562 ret = (!(score->ifa->flags & IFA_F_TEMPORARY)) ^ preftmp; in ipv6_get_saddr_eval()
1566 /* Rule 8-: Prefer ORCHID vs ORCHID or in ipv6_get_saddr_eval()
1567 * non-ORCHID vs non-ORCHID in ipv6_get_saddr_eval()
1569 ret = !(ipv6_addr_orchid(&score->ifa->addr) ^ in ipv6_get_saddr_eval()
1570 ipv6_addr_orchid(dst->addr)); in ipv6_get_saddr_eval()
1574 ret = ipv6_addr_diff(&score->ifa->addr, dst->addr); in ipv6_get_saddr_eval()
1575 if (ret > score->ifa->prefix_len) in ipv6_get_saddr_eval()
1576 ret = score->ifa->prefix_len; in ipv6_get_saddr_eval()
1577 score->matchlen = ret; in ipv6_get_saddr_eval()
1584 ret = !(score->ifa->flags & IFA_F_OPTIMISTIC); in ipv6_get_saddr_eval()
1592 __set_bit(i, score->scorebits); in ipv6_get_saddr_eval()
1593 score->rule = i; in ipv6_get_saddr_eval()
1604 struct ipv6_saddr_score *score = &scores[1 - hiscore_idx], *hiscore = &scores[hiscore_idx]; in __ipv6_dev_get_saddr()
1606 list_for_each_entry_rcu(score->ifa, &idev->addr_list, if_list) { in __ipv6_dev_get_saddr()
1610 * - Tentative Address (RFC2462 section 5.4) in __ipv6_dev_get_saddr()
1611 * - A tentative address is not considered in __ipv6_dev_get_saddr()
1614 * - Candidate Source Address (section 4) in __ipv6_dev_get_saddr()
1615 * - In any case, anycast addresses, multicast in __ipv6_dev_get_saddr()
1619 if ((score->ifa->flags & IFA_F_TENTATIVE) && in __ipv6_dev_get_saddr()
1620 (!(score->ifa->flags & IFA_F_OPTIMISTIC))) in __ipv6_dev_get_saddr()
1623 score->addr_type = __ipv6_addr_type(&score->ifa->addr); in __ipv6_dev_get_saddr()
1625 if (unlikely(score->addr_type == IPV6_ADDR_ANY || in __ipv6_dev_get_saddr()
1626 score->addr_type & IPV6_ADDR_MULTICAST)) { in __ipv6_dev_get_saddr()
1628 idev->dev->name); in __ipv6_dev_get_saddr()
1632 score->rule = -1; in __ipv6_dev_get_saddr()
1633 bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX); in __ipv6_dev_get_saddr()
1643 score->scopedist > 0) { in __ipv6_dev_get_saddr()
1657 hiscore_idx = 1 - hiscore_idx; in __ipv6_dev_get_saddr()
1660 score->ifa = hiscore->ifa; in __ipv6_dev_get_saddr()
1707 dst.ifindex = dst_dev ? dst_dev->ifindex : 0; in ipv6_dev_get_saddr()
1712 scores[hiscore_idx].rule = -1; in ipv6_dev_get_saddr()
1718 * - multicast and link-local destination address, in ipv6_dev_get_saddr()
1723 * (- For site-local destination addresses, the in ipv6_dev_get_saddr()
1728 * - "It is RECOMMENDED that the candidate source addresses in ipv6_dev_get_saddr()
1737 (idev && idev->cnf.use_oif_addrs_only)) { in ipv6_dev_get_saddr()
1755 master_idx = master->ifindex; in ipv6_dev_get_saddr()
1780 if (!hiscore->ifa) in ipv6_dev_get_saddr()
1781 ret = -EADDRNOTAVAIL; in ipv6_dev_get_saddr()
1783 *saddr = hiscore->ifa->addr; in ipv6_dev_get_saddr()
1794 int err = -EADDRNOTAVAIL; in __ipv6_get_lladdr()
1796 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in __ipv6_get_lladdr()
1797 if (ifp->scope > IFA_LINK) in __ipv6_get_lladdr()
1799 if (ifp->scope == IFA_LINK && in __ipv6_get_lladdr()
1800 !(ifp->flags & banned_flags)) { in __ipv6_get_lladdr()
1801 *addr = ifp->addr; in __ipv6_get_lladdr()
1813 int err = -EADDRNOTAVAIL; in ipv6_get_lladdr()
1818 read_lock_bh(&idev->lock); in ipv6_get_lladdr()
1820 read_unlock_bh(&idev->lock); in ipv6_get_lladdr()
1832 list_for_each_entry_rcu(ifp, &idev->addr_list, if_list) in ipv6_count_addresses()
1871 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_addr_and_flags()
1874 if (l3mdev_master_dev_rcu(ifp->idev->dev) != l3mdev) in ipv6_chk_addr_and_flags()
1880 ifp_flags = (ifp->flags&IFA_F_OPTIMISTIC) in ipv6_chk_addr_and_flags()
1881 ? (ifp->flags&~IFA_F_TENTATIVE) in ipv6_chk_addr_and_flags()
1882 : ifp->flags; in ipv6_chk_addr_and_flags()
1883 if (ipv6_addr_equal(&ifp->addr, addr) && in ipv6_chk_addr_and_flags()
1885 (!dev || ifp->idev->dev == dev || in ipv6_chk_addr_and_flags()
1886 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict))) { in ipv6_chk_addr_and_flags()
1911 list_for_each_entry_rcu(ifa, &idev->addr_list, if_list) { in ipv6_chk_custom_prefix()
1912 ret = ipv6_prefix_equal(addr, &ifa->addr, prefix_len); in ipv6_chk_custom_prefix()
1933 list_for_each_entry_rcu(ifa, &idev->addr_list, if_list) { in ipv6_chk_prefix()
1934 onlink = ipv6_prefix_equal(addr, &ifa->addr, in ipv6_chk_prefix()
1935 ifa->prefix_len); in ipv6_chk_prefix()
1953 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_get_ifaddr()
1955 if (ipv6_addr_equal(&ifp->addr, addr)) { in ipv6_get_ifaddr()
1956 if (!dev || ifp->idev->dev == dev || in ipv6_get_ifaddr()
1957 !(ifp->scope&(IFA_LINK|IFA_HOST) || strict)) { in ipv6_get_ifaddr()
1974 ifp->flags |= IFA_F_DADFAILED; in addrconf_dad_stop()
1976 if (ifp->flags&IFA_F_TEMPORARY) { in addrconf_dad_stop()
1978 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
1979 ifpub = ifp->ifpub; in addrconf_dad_stop()
1982 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
1986 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
1989 } else if (ifp->flags&IFA_F_PERMANENT || !dad_failed) { in addrconf_dad_stop()
1990 spin_lock_bh(&ifp->lock); in addrconf_dad_stop()
1992 ifp->flags |= IFA_F_TENTATIVE; in addrconf_dad_stop()
1994 ifp->flags &= ~IFA_F_OPTIMISTIC; in addrconf_dad_stop()
1995 spin_unlock_bh(&ifp->lock); in addrconf_dad_stop()
2006 int err = -ENOENT; in addrconf_dad_end()
2008 spin_lock_bh(&ifp->lock); in addrconf_dad_end()
2009 if (ifp->state == INET6_IFADDR_STATE_DAD) { in addrconf_dad_end()
2010 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_end()
2013 spin_unlock_bh(&ifp->lock); in addrconf_dad_end()
2020 struct inet6_dev *idev = ifp->idev; in addrconf_dad_failure()
2021 struct net *net = dev_net(ifp->idev->dev); in addrconf_dad_failure()
2029 ifp->idev->dev->name, &ifp->addr, eth_hdr(skb)->h_source); in addrconf_dad_failure()
2031 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2033 if (ifp->flags & IFA_F_STABLE_PRIVACY) { in addrconf_dad_failure()
2036 int retries = ifp->stable_privacy_retry + 1; in addrconf_dad_failure()
2039 .plen = ifp->prefix_len, in addrconf_dad_failure()
2040 .ifa_flags = ifp->flags, in addrconf_dad_failure()
2041 .valid_lft = ifp->valid_lft, in addrconf_dad_failure()
2042 .preferred_lft = ifp->prefered_lft, in addrconf_dad_failure()
2043 .scope = ifp->scope, in addrconf_dad_failure()
2046 if (retries > net->ipv6.sysctl.idgen_retries) { in addrconf_dad_failure()
2048 ifp->idev->dev->name); in addrconf_dad_failure()
2052 new_addr = ifp->addr; in addrconf_dad_failure()
2057 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2059 if (idev->cnf.max_addresses && in addrconf_dad_failure()
2061 idev->cnf.max_addresses) in addrconf_dad_failure()
2065 ifp->idev->dev->name); in addrconf_dad_failure()
2071 spin_lock_bh(&ifp2->lock); in addrconf_dad_failure()
2072 ifp2->stable_privacy_retry = retries; in addrconf_dad_failure()
2073 ifp2->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_failure()
2074 spin_unlock_bh(&ifp2->lock); in addrconf_dad_failure()
2076 addrconf_mod_dad_work(ifp2, net->ipv6.sysctl.idgen_delay); in addrconf_dad_failure()
2079 spin_lock_bh(&ifp->lock); in addrconf_dad_failure()
2084 ifp->state = INET6_IFADDR_STATE_ERRDAD; in addrconf_dad_failure()
2085 spin_unlock_bh(&ifp->lock); in addrconf_dad_failure()
2097 if (dev->flags&(IFF_LOOPBACK|IFF_NOARP)) in addrconf_join_solict()
2109 if (idev->dev->flags&(IFF_LOOPBACK|IFF_NOARP)) in addrconf_leave_solict()
2121 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_join_anycast()
2123 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_join_anycast()
2126 __ipv6_dev_ac_inc(ifp->idev, &addr); in addrconf_join_anycast()
2134 if (ifp->prefix_len >= 127) /* RFC 6164 */ in addrconf_leave_anycast()
2136 ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); in addrconf_leave_anycast()
2139 __ipv6_dev_ac_dec(ifp->idev, &addr); in addrconf_leave_anycast()
2144 switch (dev->addr_len) { in addrconf_ifid_6lowpan()
2146 memcpy(eui, dev->dev_addr, 3); in addrconf_ifid_6lowpan()
2149 memcpy(eui + 5, dev->dev_addr + 3, 3); in addrconf_ifid_6lowpan()
2152 memcpy(eui, dev->dev_addr, EUI64_ADDR_LEN); in addrconf_ifid_6lowpan()
2156 return -1; in addrconf_ifid_6lowpan()
2166 if (dev->addr_len != FWNET_ALEN) in addrconf_ifid_ieee1394()
2167 return -1; in addrconf_ifid_ieee1394()
2169 ha = (union fwnet_hwaddr *)dev->dev_addr; in addrconf_ifid_ieee1394()
2171 memcpy(eui, &ha->uc.uniq_id, sizeof(ha->uc.uniq_id)); in addrconf_ifid_ieee1394()
2178 /* XXX: inherit EUI-64 from other interface -- yoshfuji */ in addrconf_ifid_arcnet()
2179 if (dev->addr_len != ARCNET_ALEN) in addrconf_ifid_arcnet()
2180 return -1; in addrconf_ifid_arcnet()
2182 eui[7] = *(u8 *)dev->dev_addr; in addrconf_ifid_arcnet()
2188 if (dev->addr_len != INFINIBAND_ALEN) in addrconf_ifid_infiniband()
2189 return -1; in addrconf_ifid_infiniband()
2190 memcpy(eui, dev->dev_addr + 12, 8); in addrconf_ifid_infiniband()
2198 return -1; in __ipv6_isatap_ifid()
2214 if (dev->priv_flags & IFF_ISATAP) in addrconf_ifid_sit()
2215 return __ipv6_isatap_ifid(eui, *(__be32 *)dev->dev_addr); in addrconf_ifid_sit()
2216 return -1; in addrconf_ifid_sit()
2221 return __ipv6_isatap_ifid(eui, *(__be32 *)dev->dev_addr); in addrconf_ifid_gre()
2226 memcpy(eui, dev->perm_addr, 3); in addrconf_ifid_ip6tnl()
2227 memcpy(eui + 5, dev->perm_addr + 3, 3); in addrconf_ifid_ip6tnl()
2236 switch (dev->type) { in ipv6_generate_eui64()
2258 return -1; in ipv6_generate_eui64()
2263 int err = -1; in ipv6_inherit_eui64()
2266 read_lock_bh(&idev->lock); in ipv6_inherit_eui64()
2267 list_for_each_entry_reverse(ifp, &idev->addr_list, if_list) { in ipv6_inherit_eui64()
2268 if (ifp->scope > IFA_LINK) in ipv6_inherit_eui64()
2270 if (ifp->scope == IFA_LINK && !(ifp->flags&IFA_F_TENTATIVE)) { in ipv6_inherit_eui64()
2271 memcpy(eui, ifp->addr.s6_addr+8, 8); in ipv6_inherit_eui64()
2276 read_unlock_bh(&idev->lock); in ipv6_inherit_eui64()
2284 get_random_bytes(idev->rndid, sizeof(idev->rndid)); in ipv6_regen_rndid()
2285 idev->rndid[0] &= ~0x02; in ipv6_regen_rndid()
2288 * <draft-ietf-ipngwg-temp-addresses-v2-00.txt>: in ipv6_regen_rndid()
2291 * - Reserved subnet anycast (RFC 2526) in ipv6_regen_rndid()
2293 * - ISATAP (RFC4214) 6.1 in ipv6_regen_rndid()
2294 * 00-00-5E-FE-xx-xx-xx-xx in ipv6_regen_rndid()
2295 * - value 0 in ipv6_regen_rndid()
2296 * - XXX: already assigned to an address on the device in ipv6_regen_rndid()
2298 if (idev->rndid[0] == 0xfd && in ipv6_regen_rndid()
2299 …(idev->rndid[1]&idev->rndid[2]&idev->rndid[3]&idev->rndid[4]&idev->rndid[5]&idev->rndid[6]) == 0xf… in ipv6_regen_rndid()
2300 (idev->rndid[7]&0x80)) in ipv6_regen_rndid()
2302 if ((idev->rndid[0]|idev->rndid[1]) == 0) { in ipv6_regen_rndid()
2303 if (idev->rndid[2] == 0x5e && idev->rndid[3] == 0xfe) in ipv6_regen_rndid()
2305 …if ((idev->rndid[2]|idev->rndid[3]|idev->rndid[4]|idev->rndid[5]|idev->rndid[6]|idev->rndid[7]) ==… in ipv6_regen_rndid()
2312 if (tmpaddr && memcmp(idev->rndid, &tmpaddr->s6_addr[8], 8) == 0) in ipv6_try_regen_rndid()
2317 * Add prefix route.
2328 .fc_ifindex = dev->ifindex, in addrconf_prefix_route()
2339 /* Prevent useless cloning on PtP SIT. in addrconf_prefix_route()
2341 class of non-broadcast devices need not cloning. in addrconf_prefix_route()
2344 if (dev->type == ARPHRD_SIT && (dev->flags & IFF_POINTOPOINT)) in addrconf_prefix_route()
2367 fn = fib6_locate(&table->tb6_root, pfx, plen, NULL, 0, true); in addrconf_get_prefix_route()
2372 if (rt->fib6_nh.nh_dev->ifindex != dev->ifindex) in addrconf_get_prefix_route()
2374 if ((rt->fib6_flags & flags) != flags) in addrconf_get_prefix_route()
2376 if ((rt->fib6_flags & noflags) != 0) in addrconf_get_prefix_route()
2388 /* Create "default" multicast route to the interface */
2395 .fc_ifindex = dev->ifindex, in addrconf_add_mroute()
2415 return ERR_PTR(-ENOBUFS); in addrconf_add_dev()
2417 if (idev->cnf.disable_ipv6) in addrconf_add_dev()
2418 return ERR_PTR(-EACCES); in addrconf_add_dev()
2420 /* Add default multicast route */ in addrconf_add_dev()
2421 if (!(dev->flags & IFF_LOOPBACK) && !netif_is_l3_master(dev)) in addrconf_add_dev()
2435 read_lock_bh(&idev->lock); in manage_tempaddrs()
2437 list_for_each_entry(ift, &idev->tempaddr_list, tmp_list) { in manage_tempaddrs()
2440 if (ifp != ift->ifpub) in manage_tempaddrs()
2449 * (TEMP_PREFERRED_LIFETIME - DESYNC_FACTOR), respectively. in manage_tempaddrs()
2451 age = (now - ift->cstamp) / HZ; in manage_tempaddrs()
2452 max_valid = idev->cnf.temp_valid_lft - age; in manage_tempaddrs()
2456 max_prefered = idev->cnf.temp_prefered_lft - in manage_tempaddrs()
2457 idev->desync_factor - age; in manage_tempaddrs()
2467 spin_lock(&ift->lock); in manage_tempaddrs()
2468 flags = ift->flags; in manage_tempaddrs()
2469 ift->valid_lft = valid_lft; in manage_tempaddrs()
2470 ift->prefered_lft = prefered_lft; in manage_tempaddrs()
2471 ift->tstamp = now; in manage_tempaddrs()
2473 ift->flags &= ~IFA_F_DEPRECATED; in manage_tempaddrs()
2475 spin_unlock(&ift->lock); in manage_tempaddrs()
2480 if ((create || list_empty(&idev->tempaddr_list)) && in manage_tempaddrs()
2481 idev->cnf.use_tempaddr > 0) { in manage_tempaddrs()
2487 read_unlock_bh(&idev->lock); in manage_tempaddrs()
2490 read_unlock_bh(&idev->lock); in manage_tempaddrs()
2496 return idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_STABLE_PRIVACY || in is_addr_mode_generate_stable()
2497 idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_RANDOM; in is_addr_mode_generate_stable()
2511 int max_addresses = in6_dev->cnf.max_addresses; in addrconf_prefix_rcv_add_addr()
2514 .plen = pinfo->prefix_len, in addrconf_prefix_rcv_add_addr()
2522 if ((net->ipv6.devconf_all->optimistic_dad || in addrconf_prefix_rcv_add_addr()
2523 in6_dev->cnf.optimistic_dad) && in addrconf_prefix_rcv_add_addr()
2524 !net->ipv6.devconf_all->forwarding && sllao) in addrconf_prefix_rcv_add_addr()
2536 return -1; in addrconf_prefix_rcv_add_addr()
2539 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2540 ifp->flags |= IFA_F_MANAGETEMPADDR; in addrconf_prefix_rcv_add_addr()
2541 ifp->cstamp = jiffies; in addrconf_prefix_rcv_add_addr()
2542 ifp->tokenized = tokenized; in addrconf_prefix_rcv_add_addr()
2543 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2553 spin_lock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2555 if (ifp->valid_lft > (now - ifp->tstamp) / HZ) in addrconf_prefix_rcv_add_addr()
2556 stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ; in addrconf_prefix_rcv_add_addr()
2578 ifp->valid_lft = valid_lft; in addrconf_prefix_rcv_add_addr()
2579 ifp->prefered_lft = prefered_lft; in addrconf_prefix_rcv_add_addr()
2580 ifp->tstamp = now; in addrconf_prefix_rcv_add_addr()
2581 flags = ifp->flags; in addrconf_prefix_rcv_add_addr()
2582 ifp->flags &= ~IFA_F_DEPRECATED; in addrconf_prefix_rcv_add_addr()
2583 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2588 spin_unlock_bh(&ifp->lock); in addrconf_prefix_rcv_add_addr()
2622 addr_type = ipv6_addr_type(&pinfo->prefix); in addrconf_prefix_rcv()
2627 valid_lft = ntohl(pinfo->valid); in addrconf_prefix_rcv()
2628 prefered_lft = ntohl(pinfo->prefered); in addrconf_prefix_rcv()
2639 dev->name); in addrconf_prefix_rcv()
2645 * 1) Add routes for on-link prefixes in addrconf_prefix_rcv()
2649 if (pinfo->onlink) { in addrconf_prefix_rcv()
2666 rt = addrconf_get_prefix_route(&pinfo->prefix, in addrconf_prefix_rcv()
2667 pinfo->prefix_len, in addrconf_prefix_rcv()
2673 /* Autoconf prefix route */ in addrconf_prefix_rcv()
2691 addrconf_prefix_route(&pinfo->prefix, pinfo->prefix_len, in addrconf_prefix_rcv()
2700 if (pinfo->autoconf && in6_dev->cnf.autoconf) { in addrconf_prefix_rcv()
2704 if (pinfo->prefix_len == 64) { in addrconf_prefix_rcv()
2705 memcpy(&addr, &pinfo->prefix, 8); in addrconf_prefix_rcv()
2707 if (!ipv6_addr_any(&in6_dev->token)) { in addrconf_prefix_rcv()
2708 read_lock_bh(&in6_dev->lock); in addrconf_prefix_rcv()
2710 in6_dev->token.s6_addr + 8, 8); in addrconf_prefix_rcv()
2711 read_unlock_bh(&in6_dev->lock); in addrconf_prefix_rcv()
2727 pinfo->prefix_len); in addrconf_prefix_rcv()
2762 int err = -EINVAL; in addrconf_set_dstaddr()
2766 err = -EFAULT; in addrconf_set_dstaddr()
2772 err = -ENODEV; in addrconf_set_dstaddr()
2777 if (dev->type == ARPHRD_SIT) { in addrconf_set_dstaddr()
2778 const struct net_device_ops *ops = dev->netdev_ops; in addrconf_set_dstaddr()
2782 err = -EADDRNOTAVAIL; in addrconf_set_dstaddr()
2795 if (ops->ndo_do_ioctl) { in addrconf_set_dstaddr()
2799 err = ops->ndo_do_ioctl(dev, &ifr, SIOCADDTUNNEL); in addrconf_set_dstaddr()
2802 err = -EOPNOTSUPP; in addrconf_set_dstaddr()
2805 err = -ENOBUFS; in addrconf_set_dstaddr()
2852 if (cfg->plen > 128) in inet6_addr_add()
2853 return -EINVAL; in inet6_addr_add()
2856 if (!cfg->valid_lft || cfg->preferred_lft > cfg->valid_lft) in inet6_addr_add()
2857 return -EINVAL; in inet6_addr_add()
2859 if (cfg->ifa_flags & IFA_F_MANAGETEMPADDR && cfg->plen != 64) in inet6_addr_add()
2860 return -EINVAL; in inet6_addr_add()
2864 return -ENODEV; in inet6_addr_add()
2870 if (cfg->ifa_flags & IFA_F_MCAUTOJOIN) { in inet6_addr_add()
2871 int ret = ipv6_mc_config(net->ipv6.mc_autojoin_sk, in inet6_addr_add()
2872 true, cfg->pfx, ifindex); in inet6_addr_add()
2878 cfg->scope = ipv6_addr_scope(cfg->pfx); in inet6_addr_add()
2880 timeout = addrconf_timeout_fixup(cfg->valid_lft, HZ); in inet6_addr_add()
2883 cfg->valid_lft = timeout; in inet6_addr_add()
2888 cfg->ifa_flags |= IFA_F_PERMANENT; in inet6_addr_add()
2891 timeout = addrconf_timeout_fixup(cfg->preferred_lft, HZ); in inet6_addr_add()
2894 cfg->ifa_flags |= IFA_F_DEPRECATED; in inet6_addr_add()
2895 cfg->preferred_lft = timeout; in inet6_addr_add()
2900 if (!(cfg->ifa_flags & IFA_F_NOPREFIXROUTE)) { in inet6_addr_add()
2901 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_add()
2902 ifp->rt_priority, dev, expires, in inet6_addr_add()
2909 if (!(ifp->flags & (IFA_F_OPTIMISTIC | IFA_F_NODAD))) in inet6_addr_add()
2917 if (cfg->ifa_flags & IFA_F_MANAGETEMPADDR) in inet6_addr_add()
2918 manage_tempaddrs(idev, ifp, cfg->valid_lft, in inet6_addr_add()
2919 cfg->preferred_lft, true, jiffies); in inet6_addr_add()
2923 } else if (cfg->ifa_flags & IFA_F_MCAUTOJOIN) { in inet6_addr_add()
2924 ipv6_mc_config(net->ipv6.mc_autojoin_sk, false, in inet6_addr_add()
2925 cfg->pfx, ifindex); in inet6_addr_add()
2939 return -EINVAL; in inet6_addr_del()
2943 return -ENODEV; in inet6_addr_del()
2947 return -ENXIO; in inet6_addr_del()
2949 read_lock_bh(&idev->lock); in inet6_addr_del()
2950 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_addr_del()
2951 if (ifp->prefix_len == plen && in inet6_addr_del()
2952 ipv6_addr_equal(pfx, &ifp->addr)) { in inet6_addr_del()
2954 read_unlock_bh(&idev->lock); in inet6_addr_del()
2956 if (!(ifp->flags & IFA_F_TEMPORARY) && in inet6_addr_del()
2963 ipv6_mc_config(net->ipv6.mc_autojoin_sk, in inet6_addr_del()
2964 false, pfx, dev->ifindex); in inet6_addr_del()
2969 read_unlock_bh(&idev->lock); in inet6_addr_del()
2970 return -EADDRNOTAVAIL; in inet6_addr_del()
2984 if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) in addrconf_add_ifaddr()
2985 return -EPERM; in addrconf_add_ifaddr()
2988 return -EFAULT; in addrconf_add_ifaddr()
3004 if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) in addrconf_del_ifaddr()
3005 return -EPERM; in addrconf_del_ifaddr()
3008 return -EFAULT; in addrconf_del_ifaddr()
3032 spin_lock_bh(&ifp->lock); in add_addr()
3033 ifp->flags &= ~IFA_F_TENTATIVE; in add_addr()
3034 spin_unlock_bh(&ifp->lock); in add_addr()
3035 rt_genid_bump_ipv6(dev_net(idev->dev)); in add_addr()
3046 struct net *net = dev_net(idev->dev); in sit_add_v4_addrs()
3053 memcpy(&addr.s6_addr32[3], idev->dev->dev_addr, 4); in sit_add_v4_addrs()
3055 if (idev->dev->flags&IFF_POINTOPOINT) { in sit_add_v4_addrs()
3067 addrconf_prefix_route(&addr, plen, 0, idev->dev, 0, pflags, in sit_add_v4_addrs()
3074 if (in_dev && (dev->flags & IFF_UP)) { in sit_add_v4_addrs()
3079 for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) { in sit_add_v4_addrs()
3081 addr.s6_addr32[3] = ifa->ifa_local; in sit_add_v4_addrs()
3083 if (ifa->ifa_scope == RT_SCOPE_LINK) in sit_add_v4_addrs()
3085 if (ifa->ifa_scope >= RT_SCOPE_HOST) { in sit_add_v4_addrs()
3086 if (idev->dev->flags&IFF_POINTOPOINT) in sit_add_v4_addrs()
3092 addrconf_prefix_route(&addr, plen, 0, idev->dev, in sit_add_v4_addrs()
3131 if ((dev_net(idev->dev)->ipv6.devconf_all->optimistic_dad || in addrconf_add_linklocal()
3132 idev->cnf.optimistic_dad) && in addrconf_add_linklocal()
3133 !dev_net(idev->dev)->ipv6.devconf_all->forwarding) in addrconf_add_linklocal()
3139 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, 0, idev->dev, in addrconf_add_linklocal()
3183 struct net *net = dev_net(idev->dev); in ipv6_generate_stable_address()
3187 if (idev->cnf.stable_secret.initialized) in ipv6_generate_stable_address()
3188 secret = idev->cnf.stable_secret.secret; in ipv6_generate_stable_address()
3189 else if (net->ipv6.devconf_dflt->stable_secret.initialized) in ipv6_generate_stable_address()
3190 secret = net->ipv6.devconf_dflt->stable_secret.secret; in ipv6_generate_stable_address()
3192 return -1; in ipv6_generate_stable_address()
3200 memcpy(data.hwaddr, idev->dev->perm_addr, idev->dev->addr_len); in ipv6_generate_stable_address()
3201 data.prefix[0] = address->s6_addr32[0]; in ipv6_generate_stable_address()
3202 data.prefix[1] = address->s6_addr32[1]; in ipv6_generate_stable_address()
3216 if (dad_count > dev_net(idev->dev)->ipv6.sysctl.idgen_retries) in ipv6_generate_stable_address()
3217 return -1; in ipv6_generate_stable_address()
3227 struct ipv6_stable_secret *s = &idev->cnf.stable_secret; in ipv6_gen_mode_random_init()
3229 if (s->initialized) in ipv6_gen_mode_random_init()
3231 s = &idev->cnf.stable_secret; in ipv6_gen_mode_random_init()
3232 get_random_bytes(&s->secret, sizeof(s->secret)); in ipv6_gen_mode_random_init()
3233 s->initialized = true; in ipv6_gen_mode_random_init()
3241 if (netif_is_l3_master(idev->dev)) in addrconf_addr_gen()
3245 if (idev->dev->flags & IFF_SLAVE) in addrconf_addr_gen()
3250 switch (idev->cnf.addr_gen_mode) { in addrconf_addr_gen()
3259 addrconf_prefix_route(&addr, 64, 0, idev->dev, in addrconf_addr_gen()
3267 if (ipv6_generate_eui64(addr.s6_addr + 8, idev->dev) == 0) in addrconf_addr_gen()
3270 addrconf_prefix_route(&addr, 64, 0, idev->dev, in addrconf_addr_gen()
3286 if ((dev->type != ARPHRD_ETHER) && in addrconf_dev_config()
3287 (dev->type != ARPHRD_FDDI) && in addrconf_dev_config()
3288 (dev->type != ARPHRD_ARCNET) && in addrconf_dev_config()
3289 (dev->type != ARPHRD_INFINIBAND) && in addrconf_dev_config()
3290 (dev->type != ARPHRD_IEEE1394) && in addrconf_dev_config()
3291 (dev->type != ARPHRD_TUNNEL6) && in addrconf_dev_config()
3292 (dev->type != ARPHRD_6LOWPAN) && in addrconf_dev_config()
3293 (dev->type != ARPHRD_IP6GRE) && in addrconf_dev_config()
3294 (dev->type != ARPHRD_IPGRE) && in addrconf_dev_config()
3295 (dev->type != ARPHRD_TUNNEL) && in addrconf_dev_config()
3296 (dev->type != ARPHRD_NONE) && in addrconf_dev_config()
3297 (dev->type != ARPHRD_RAWIP)) { in addrconf_dev_config()
3300 if (!IS_ERR_OR_NULL(idev) && dev->flags & IFF_UP && in addrconf_dev_config()
3301 dev->flags & IFF_MULTICAST) in addrconf_dev_config()
3311 if (dev->type == ARPHRD_NONE && in addrconf_dev_config()
3312 idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_EUI64) in addrconf_dev_config()
3313 idev->cnf.addr_gen_mode = IN6_ADDR_GEN_MODE_RANDOM; in addrconf_dev_config()
3337 if (dev->priv_flags & IFF_ISATAP) { in addrconf_sit_config()
3344 if (dev->flags&IFF_POINTOPOINT) in addrconf_sit_config()
3363 if (dev->flags & IFF_POINTOPOINT) in addrconf_gre_config()
3372 /* !fib6_node means the host route was removed from the in fixup_permanent_addr()
3374 * case regenerate the host route. in fixup_permanent_addr()
3376 if (!ifp->rt || !ifp->rt->fib6_node) { in fixup_permanent_addr()
3379 f6i = addrconf_f6i_alloc(net, idev, &ifp->addr, false, in fixup_permanent_addr()
3384 /* ifp->rt can be accessed outside of rtnl */ in fixup_permanent_addr()
3385 spin_lock(&ifp->lock); in fixup_permanent_addr()
3386 prev = ifp->rt; in fixup_permanent_addr()
3387 ifp->rt = f6i; in fixup_permanent_addr()
3388 spin_unlock(&ifp->lock); in fixup_permanent_addr()
3393 if (!(ifp->flags & IFA_F_NOPREFIXROUTE)) { in fixup_permanent_addr()
3394 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in fixup_permanent_addr()
3395 ifp->rt_priority, idev->dev, 0, 0, in fixup_permanent_addr()
3399 if (ifp->state == INET6_IFADDR_STATE_PREDAD) in fixup_permanent_addr()
3414 write_lock_bh(&idev->lock); in addrconf_permanent_addr()
3416 list_for_each_entry_safe(ifp, tmp, &idev->addr_list, if_list) { in addrconf_permanent_addr()
3417 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_permanent_addr()
3419 write_unlock_bh(&idev->lock); in addrconf_permanent_addr()
3422 write_lock_bh(&idev->lock); in addrconf_permanent_addr()
3424 net_info_ratelimited("%s: Failed to add prefix route for address %pI6c; dropping\n", in addrconf_permanent_addr()
3425 idev->dev->name, &ifp->addr); in addrconf_permanent_addr()
3429 write_unlock_bh(&idev->lock); in addrconf_permanent_addr()
3445 if (!idev && dev->mtu >= IPV6_MIN_MTU) { in addrconf_notify()
3454 if (dev->mtu < IPV6_MIN_MTU) { in addrconf_notify()
3455 addrconf_ifdown(dev, dev != net->loopback_dev); in addrconf_notify()
3460 rt6_mtu_change(dev, dev->mtu); in addrconf_notify()
3461 idev->cnf.mtu6 = dev->mtu; in addrconf_notify()
3471 if (!(idev->if_flags & IF_READY)) in addrconf_notify()
3480 if (dev->flags & IFF_SLAVE) in addrconf_notify()
3483 if (idev && idev->cnf.disable_ipv6) in addrconf_notify()
3493 dev->name); in addrconf_notify()
3497 if (!idev && dev->mtu >= IPV6_MIN_MTU) in addrconf_notify()
3501 idev->if_flags |= IF_READY; in addrconf_notify()
3512 if (idev->if_flags & IF_READY) { in addrconf_notify()
3513 /* device is already configured - in addrconf_notify()
3520 if (change_info->flags_changed & IFF_NOARP) in addrconf_notify()
3525 idev->if_flags |= IF_READY; in addrconf_notify()
3529 dev->name); in addrconf_notify()
3534 switch (dev->type) { in addrconf_notify()
3566 if (idev->cnf.mtu6 != dev->mtu && in addrconf_notify()
3567 dev->mtu >= IPV6_MIN_MTU) { in addrconf_notify()
3568 rt6_mtu_change(dev, dev->mtu); in addrconf_notify()
3569 idev->cnf.mtu6 = dev->mtu; in addrconf_notify()
3571 idev->tstamp = jiffies; in addrconf_notify()
3578 if (dev->mtu < IPV6_MIN_MTU) in addrconf_notify()
3579 addrconf_ifdown(dev, dev != net->loopback_dev); in addrconf_notify()
3618 if (info->upper_dev && netif_is_l3_master(info->upper_dev)) in addrconf_notify()
3667 return -ENODEV; in addrconf_ifdown()
3674 idev->dead = 1; in addrconf_ifdown()
3677 RCU_INIT_POINTER(dev->ip6_ptr, NULL); in addrconf_ifdown()
3687 if (!how && !idev->cnf.disable_ipv6) { in addrconf_ifdown()
3689 int _keep_addr = net->ipv6.devconf_all->keep_addr_on_down; in addrconf_ifdown()
3692 _keep_addr = idev->cnf.keep_addr_on_down; in addrconf_ifdown()
3704 if (ifa->idev == idev) { in addrconf_ifdown()
3710 !(ifa->flags & IFA_F_PERMANENT) || in addrconf_ifdown()
3711 addr_is_local(&ifa->addr)) { in addrconf_ifdown()
3712 hlist_del_init_rcu(&ifa->addr_lst); in addrconf_ifdown()
3720 write_lock_bh(&idev->lock); in addrconf_ifdown()
3726 idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY); in addrconf_ifdown()
3729 while (!list_empty(&idev->tempaddr_list)) { in addrconf_ifdown()
3730 ifa = list_first_entry(&idev->tempaddr_list, in addrconf_ifdown()
3732 list_del(&ifa->tmp_list); in addrconf_ifdown()
3733 write_unlock_bh(&idev->lock); in addrconf_ifdown()
3734 spin_lock_bh(&ifa->lock); in addrconf_ifdown()
3736 if (ifa->ifpub) { in addrconf_ifdown()
3737 in6_ifa_put(ifa->ifpub); in addrconf_ifdown()
3738 ifa->ifpub = NULL; in addrconf_ifdown()
3740 spin_unlock_bh(&ifa->lock); in addrconf_ifdown()
3742 write_lock_bh(&idev->lock); in addrconf_ifdown()
3745 list_for_each_entry_safe(ifa, tmp, &idev->addr_list, if_list) { in addrconf_ifdown()
3751 keep = keep_addr && (ifa->flags & IFA_F_PERMANENT) && in addrconf_ifdown()
3752 !addr_is_local(&ifa->addr); in addrconf_ifdown()
3754 write_unlock_bh(&idev->lock); in addrconf_ifdown()
3755 spin_lock_bh(&ifa->lock); in addrconf_ifdown()
3760 ifa->state = INET6_IFADDR_STATE_PREDAD; in addrconf_ifdown()
3761 if (!(ifa->flags & IFA_F_NODAD)) in addrconf_ifdown()
3762 ifa->flags |= IFA_F_TENTATIVE; in addrconf_ifdown()
3764 rt = ifa->rt; in addrconf_ifdown()
3765 ifa->rt = NULL; in addrconf_ifdown()
3767 state = ifa->state; in addrconf_ifdown()
3768 ifa->state = INET6_IFADDR_STATE_DEAD; in addrconf_ifdown()
3771 spin_unlock_bh(&ifa->lock); in addrconf_ifdown()
3780 if (idev->cnf.forwarding) in addrconf_ifdown()
3782 addrconf_leave_solict(ifa->idev, &ifa->addr); in addrconf_ifdown()
3785 write_lock_bh(&idev->lock); in addrconf_ifdown()
3787 list_del_rcu(&ifa->if_list); in addrconf_ifdown()
3792 write_unlock_bh(&idev->lock); in addrconf_ifdown()
3802 idev->tstamp = jiffies; in addrconf_ifdown()
3807 neigh_parms_release(&nd_tbl, idev->nd_parms); in addrconf_ifdown()
3817 struct net_device *dev = idev->dev; in addrconf_rs_timer()
3820 write_lock(&idev->lock); in addrconf_rs_timer()
3821 if (idev->dead || !(idev->if_flags & IF_READY)) in addrconf_rs_timer()
3828 if (idev->if_flags & IF_RA_RCVD) in addrconf_rs_timer()
3831 if (idev->rs_probes++ < idev->cnf.rtr_solicits || idev->cnf.rtr_solicits < 0) { in addrconf_rs_timer()
3832 write_unlock(&idev->lock); in addrconf_rs_timer()
3839 write_lock(&idev->lock); in addrconf_rs_timer()
3840 idev->rs_interval = rfc3315_s14_backoff_update( in addrconf_rs_timer()
3841 idev->rs_interval, idev->cnf.rtr_solicit_max_interval); in addrconf_rs_timer()
3843 addrconf_mod_rs_timer(idev, (idev->rs_probes == in addrconf_rs_timer()
3844 idev->cnf.rtr_solicits) ? in addrconf_rs_timer()
3845 idev->cnf.rtr_solicit_delay : in addrconf_rs_timer()
3846 idev->rs_interval); in addrconf_rs_timer()
3849 * Note: we do not support deprecated "all on-link" in addrconf_rs_timer()
3852 pr_debug("%s: no IPv6 routers present\n", idev->dev->name); in addrconf_rs_timer()
3856 write_unlock(&idev->lock); in addrconf_rs_timer()
3867 struct inet6_dev *idev = ifp->idev; in addrconf_dad_kick()
3870 if (ifp->flags & IFA_F_OPTIMISTIC) in addrconf_dad_kick()
3873 rand_num = prandom_u32() % (idev->cnf.rtr_solicit_delay ? : 1); in addrconf_dad_kick()
3876 if (idev->cnf.enhanced_dad || in addrconf_dad_kick()
3877 dev_net(idev->dev)->ipv6.devconf_all->enhanced_dad) { in addrconf_dad_kick()
3882 ifp->dad_nonce = nonce; in addrconf_dad_kick()
3883 ifp->dad_probes = idev->cnf.dad_transmits; in addrconf_dad_kick()
3889 struct inet6_dev *idev = ifp->idev; in addrconf_dad_begin()
3890 struct net_device *dev = idev->dev; in addrconf_dad_begin()
3894 addrconf_join_solict(dev, &ifp->addr); in addrconf_dad_begin()
3896 prandom_seed((__force u32) ifp->addr.s6_addr32[3]); in addrconf_dad_begin()
3898 read_lock_bh(&idev->lock); in addrconf_dad_begin()
3899 spin_lock(&ifp->lock); in addrconf_dad_begin()
3900 if (ifp->state == INET6_IFADDR_STATE_DEAD) in addrconf_dad_begin()
3904 if (dev->flags&(IFF_NOARP|IFF_LOOPBACK) || in addrconf_dad_begin()
3905 (net->ipv6.devconf_all->accept_dad < 1 && in addrconf_dad_begin()
3906 idev->cnf.accept_dad < 1) || in addrconf_dad_begin()
3907 !(ifp->flags&IFA_F_TENTATIVE) || in addrconf_dad_begin()
3908 ifp->flags & IFA_F_NODAD) { in addrconf_dad_begin()
3911 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_begin()
3912 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_begin()
3914 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_begin()
3915 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_begin()
3916 spin_unlock(&ifp->lock); in addrconf_dad_begin()
3917 read_unlock_bh(&idev->lock); in addrconf_dad_begin()
3923 if (!(idev->if_flags & IF_READY)) { in addrconf_dad_begin()
3924 spin_unlock(&ifp->lock); in addrconf_dad_begin()
3925 read_unlock_bh(&idev->lock); in addrconf_dad_begin()
3928 * - keep it tentative if it is a permanent address. in addrconf_dad_begin()
3929 * - otherwise, kill it. in addrconf_dad_begin()
3940 if (ifp->flags & IFA_F_OPTIMISTIC) { in addrconf_dad_begin()
3941 ip6_ins_rt(net, ifp->rt); in addrconf_dad_begin()
3952 spin_unlock(&ifp->lock); in addrconf_dad_begin()
3953 read_unlock_bh(&idev->lock); in addrconf_dad_begin()
3962 spin_lock_bh(&ifp->lock); in addrconf_dad_start()
3963 if (ifp->state != INET6_IFADDR_STATE_DEAD) { in addrconf_dad_start()
3964 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_start()
3967 spin_unlock_bh(&ifp->lock); in addrconf_dad_start()
3978 struct inet6_dev *idev = ifp->idev; in addrconf_dad_work()
3990 spin_lock_bh(&ifp->lock); in addrconf_dad_work()
3991 if (ifp->state == INET6_IFADDR_STATE_PREDAD) { in addrconf_dad_work()
3993 ifp->state = INET6_IFADDR_STATE_DAD; in addrconf_dad_work()
3994 } else if (ifp->state == INET6_IFADDR_STATE_ERRDAD) { in addrconf_dad_work()
3996 ifp->state = INET6_IFADDR_STATE_POSTDAD; in addrconf_dad_work()
3998 if ((dev_net(idev->dev)->ipv6.devconf_all->accept_dad > 1 || in addrconf_dad_work()
3999 idev->cnf.accept_dad > 1) && in addrconf_dad_work()
4000 !idev->cnf.disable_ipv6 && in addrconf_dad_work()
4001 !(ifp->flags & IFA_F_STABLE_PRIVACY)) { in addrconf_dad_work()
4007 if (!ipv6_generate_eui64(addr.s6_addr + 8, idev->dev) && in addrconf_dad_work()
4008 ipv6_addr_equal(&ifp->addr, &addr)) { in addrconf_dad_work()
4009 /* DAD failed for link-local based on MAC */ in addrconf_dad_work()
4010 idev->cnf.disable_ipv6 = 1; in addrconf_dad_work()
4013 ifp->idev->dev->name); in addrconf_dad_work()
4018 spin_unlock_bh(&ifp->lock); in addrconf_dad_work()
4027 addrconf_ifdown(idev->dev, 0); in addrconf_dad_work()
4031 if (!ifp->dad_probes && addrconf_dad_end(ifp)) in addrconf_dad_work()
4034 write_lock_bh(&idev->lock); in addrconf_dad_work()
4035 if (idev->dead || !(idev->if_flags & IF_READY)) { in addrconf_dad_work()
4036 write_unlock_bh(&idev->lock); in addrconf_dad_work()
4040 spin_lock(&ifp->lock); in addrconf_dad_work()
4041 if (ifp->state == INET6_IFADDR_STATE_DEAD) { in addrconf_dad_work()
4042 spin_unlock(&ifp->lock); in addrconf_dad_work()
4043 write_unlock_bh(&idev->lock); in addrconf_dad_work()
4047 if (ifp->dad_probes == 0) { in addrconf_dad_work()
4054 if (ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_work()
4055 !(ifp->flags & IFA_F_OPTIMISTIC)) in addrconf_dad_work()
4057 bump_id = ifp->flags & IFA_F_TENTATIVE; in addrconf_dad_work()
4058 ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED); in addrconf_dad_work()
4059 spin_unlock(&ifp->lock); in addrconf_dad_work()
4060 write_unlock_bh(&idev->lock); in addrconf_dad_work()
4067 ifp->dad_probes--; in addrconf_dad_work()
4069 NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME)); in addrconf_dad_work()
4070 spin_unlock(&ifp->lock); in addrconf_dad_work()
4071 write_unlock_bh(&idev->lock); in addrconf_dad_work()
4074 addrconf_addr_solict_mult(&ifp->addr, &mcaddr); in addrconf_dad_work()
4075 ndisc_send_ns(ifp->idev->dev, &ifp->addr, &mcaddr, &in6addr_any, in addrconf_dad_work()
4076 ifp->dad_nonce); in addrconf_dad_work()
4082 /* ifp->idev must be at least read locked */
4086 struct inet6_dev *idev = ifp->idev; in ipv6_lonely_lladdr()
4088 list_for_each_entry_reverse(ifpiter, &idev->addr_list, if_list) { in ipv6_lonely_lladdr()
4089 if (ifpiter->scope > IFA_LINK) in ipv6_lonely_lladdr()
4091 if (ifp != ifpiter && ifpiter->scope == IFA_LINK && in ipv6_lonely_lladdr()
4092 (ifpiter->flags & (IFA_F_PERMANENT|IFA_F_TENTATIVE| in ipv6_lonely_lladdr()
4103 struct net_device *dev = ifp->idev->dev; in addrconf_dad_completed()
4119 read_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4120 send_mld = ifp->scope == IFA_LINK && ipv6_lonely_lladdr(ifp); in addrconf_dad_completed()
4122 ipv6_accept_ra(ifp->idev) && in addrconf_dad_completed()
4123 ifp->idev->cnf.rtr_solicits != 0 && in addrconf_dad_completed()
4124 (dev->flags&IFF_LOOPBACK) == 0; in addrconf_dad_completed()
4125 read_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4131 ipv6_mc_dad_complete(ifp->idev); in addrconf_dad_completed()
4135 (ifp->idev->cnf.ndisc_notify || in addrconf_dad_completed()
4136 dev_net(dev)->ipv6.devconf_all->ndisc_notify)) { in addrconf_dad_completed()
4137 ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifp->addr, in addrconf_dad_completed()
4138 /*router=*/ !!ifp->idev->cnf.forwarding, in addrconf_dad_completed()
4153 write_lock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4154 spin_lock(&ifp->lock); in addrconf_dad_completed()
4155 ifp->idev->rs_interval = rfc3315_s14_backoff_init( in addrconf_dad_completed()
4156 ifp->idev->cnf.rtr_solicit_interval); in addrconf_dad_completed()
4157 ifp->idev->rs_probes = 1; in addrconf_dad_completed()
4158 ifp->idev->if_flags |= IF_RS_SENT; in addrconf_dad_completed()
4159 addrconf_mod_rs_timer(ifp->idev, ifp->idev->rs_interval); in addrconf_dad_completed()
4160 spin_unlock(&ifp->lock); in addrconf_dad_completed()
4161 write_unlock_bh(&ifp->idev->lock); in addrconf_dad_completed()
4170 if (ifp->flags & IFA_F_TEMPORARY) in addrconf_dad_completed()
4178 read_lock_bh(&idev->lock); in addrconf_dad_run()
4179 list_for_each_entry(ifp, &idev->addr_list, if_list) { in addrconf_dad_run()
4180 spin_lock(&ifp->lock); in addrconf_dad_run()
4181 if ((ifp->flags & IFA_F_TENTATIVE && in addrconf_dad_run()
4182 ifp->state == INET6_IFADDR_STATE_DAD) || restart) { in addrconf_dad_run()
4184 ifp->state = INET6_IFADDR_STATE_PREDAD; in addrconf_dad_run()
4187 spin_unlock(&ifp->lock); in addrconf_dad_run()
4189 read_unlock_bh(&idev->lock); in addrconf_dad_run()
4201 struct if6_iter_state *state = seq->private; in if6_get_first()
4208 state->bucket = 0; in if6_get_first()
4209 state->offset = 0; in if6_get_first()
4212 for (; state->bucket < IN6_ADDR_HSIZE; ++state->bucket) { in if6_get_first()
4213 hlist_for_each_entry_rcu(ifa, &inet6_addr_lst[state->bucket], in if6_get_first()
4215 if (!net_eq(dev_net(ifa->idev->dev), net)) in if6_get_first()
4218 if (p < state->offset) { in if6_get_first()
4226 state->offset = 0; in if6_get_first()
4235 struct if6_iter_state *state = seq->private; in if6_get_next()
4239 if (!net_eq(dev_net(ifa->idev->dev), net)) in if6_get_next()
4241 state->offset++; in if6_get_next()
4245 state->offset = 0; in if6_get_next()
4246 while (++state->bucket < IN6_ADDR_HSIZE) { in if6_get_next()
4248 &inet6_addr_lst[state->bucket], addr_lst) { in if6_get_next()
4249 if (!net_eq(dev_net(ifa->idev->dev), net)) in if6_get_next()
4284 &ifp->addr, in if6_seq_show()
4285 ifp->idev->dev->ifindex, in if6_seq_show()
4286 ifp->prefix_len, in if6_seq_show()
4287 ifp->scope, in if6_seq_show()
4288 (u8) ifp->flags, in if6_seq_show()
4289 ifp->idev->dev->name); in if6_seq_show()
4302 if (!proc_create_net("if_inet6", 0444, net->proc_net, &if6_seq_ops, in if6_proc_net_init()
4304 return -ENOMEM; in if6_proc_net_init()
4310 remove_proc_entry("if_inet6", net->proc_net); in if6_proc_net_exit()
4339 if (!net_eq(dev_net(ifp->idev->dev), net)) in ipv6_chk_home_addr()
4341 if (ipv6_addr_equal(&ifp->addr, addr) && in ipv6_chk_home_addr()
4342 (ifp->flags & IFA_F_HOMEADDRESS)) { in ipv6_chk_home_addr()
4377 * IFA_F_PERMANENT has a non-infinity life time. in addrconf_verify_rtnl()
4379 if ((ifp->flags & IFA_F_PERMANENT) && in addrconf_verify_rtnl()
4380 (ifp->prefered_lft == INFINITY_LIFE_TIME)) in addrconf_verify_rtnl()
4383 spin_lock(&ifp->lock); in addrconf_verify_rtnl()
4385 age = (now - ifp->tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ; in addrconf_verify_rtnl()
4387 if (ifp->valid_lft != INFINITY_LIFE_TIME && in addrconf_verify_rtnl()
4388 age >= ifp->valid_lft) { in addrconf_verify_rtnl()
4389 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4393 } else if (ifp->prefered_lft == INFINITY_LIFE_TIME) { in addrconf_verify_rtnl()
4394 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4396 } else if (age >= ifp->prefered_lft) { in addrconf_verify_rtnl()
4397 /* jiffies - ifp->tstamp > age >= ifp->prefered_lft */ in addrconf_verify_rtnl()
4400 if (!(ifp->flags&IFA_F_DEPRECATED)) { in addrconf_verify_rtnl()
4402 ifp->flags |= IFA_F_DEPRECATED; in addrconf_verify_rtnl()
4405 if ((ifp->valid_lft != INFINITY_LIFE_TIME) && in addrconf_verify_rtnl()
4406 (time_before(ifp->tstamp + ifp->valid_lft * HZ, next))) in addrconf_verify_rtnl()
4407 next = ifp->tstamp + ifp->valid_lft * HZ; in addrconf_verify_rtnl()
4409 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4418 } else if ((ifp->flags&IFA_F_TEMPORARY) && in addrconf_verify_rtnl()
4419 !(ifp->flags&IFA_F_TENTATIVE)) { in addrconf_verify_rtnl()
4420 unsigned long regen_advance = ifp->idev->cnf.regen_max_retry * in addrconf_verify_rtnl()
4421 ifp->idev->cnf.dad_transmits * in addrconf_verify_rtnl()
4422 NEIGH_VAR(ifp->idev->nd_parms, RETRANS_TIME) / HZ; in addrconf_verify_rtnl()
4424 if (age >= ifp->prefered_lft - regen_advance) { in addrconf_verify_rtnl()
4425 struct inet6_ifaddr *ifpub = ifp->ifpub; in addrconf_verify_rtnl()
4426 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4427 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4428 if (!ifp->regen_count && ifpub) { in addrconf_verify_rtnl()
4429 ifp->regen_count++; in addrconf_verify_rtnl()
4432 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4434 spin_lock(&ifpub->lock); in addrconf_verify_rtnl()
4435 ifpub->regen_count = 0; in addrconf_verify_rtnl()
4436 spin_unlock(&ifpub->lock); in addrconf_verify_rtnl()
4444 } else if (time_before(ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ, next)) in addrconf_verify_rtnl()
4445 next = ifp->tstamp + ifp->prefered_lft * HZ - regen_advance * HZ; in addrconf_verify_rtnl()
4446 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4448 /* ifp->prefered_lft <= ifp->valid_lft */ in addrconf_verify_rtnl()
4449 if (time_before(ifp->tstamp + ifp->prefered_lft * HZ, next)) in addrconf_verify_rtnl()
4450 next = ifp->tstamp + ifp->prefered_lft * HZ; in addrconf_verify_rtnl()
4451 spin_unlock(&ifp->lock); in addrconf_verify_rtnl()
4469 mod_delayed_work(addrconf_wq, &addr_chk_work, next_sched - now); in addrconf_verify_rtnl()
4516 struct net *net = sock_net(skb->sk); in inet6_rtm_deladdr()
4531 return -EINVAL; in inet6_rtm_deladdr()
4533 ifa_flags = tb[IFA_FLAGS] ? nla_get_u32(tb[IFA_FLAGS]) : ifm->ifa_flags; in inet6_rtm_deladdr()
4538 return inet6_addr_del(net, ifm->ifa_index, ifa_flags, pfx, in inet6_rtm_deladdr()
4539 ifm->ifa_prefixlen); in inet6_rtm_deladdr()
4549 f6i = addrconf_get_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4550 ifp->prefix_len, in modify_prefix_route()
4551 ifp->idev->dev, in modify_prefix_route()
4554 return -ENOENT; in modify_prefix_route()
4556 prio = ifp->rt_priority ? : IP6_RT_PRIO_ADDRCONF; in modify_prefix_route()
4557 if (f6i->fib6_metric != prio) { in modify_prefix_route()
4559 ip6_del_rt(dev_net(ifp->idev->dev), f6i); in modify_prefix_route()
4562 addrconf_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr, in modify_prefix_route()
4563 ifp->prefix_len, in modify_prefix_route()
4564 ifp->rt_priority, ifp->idev->dev, in modify_prefix_route()
4589 if (!cfg->valid_lft || cfg->preferred_lft > cfg->valid_lft) in inet6_addr_modify()
4590 return -EINVAL; in inet6_addr_modify()
4592 if (cfg->ifa_flags & IFA_F_MANAGETEMPADDR && in inet6_addr_modify()
4593 (ifp->flags & IFA_F_TEMPORARY || ifp->prefix_len != 64)) in inet6_addr_modify()
4594 return -EINVAL; in inet6_addr_modify()
4596 if (!(ifp->flags & IFA_F_TENTATIVE) || ifp->flags & IFA_F_DADFAILED) in inet6_addr_modify()
4597 cfg->ifa_flags &= ~IFA_F_OPTIMISTIC; in inet6_addr_modify()
4599 timeout = addrconf_timeout_fixup(cfg->valid_lft, HZ); in inet6_addr_modify()
4602 cfg->valid_lft = timeout; in inet6_addr_modify()
4607 cfg->ifa_flags |= IFA_F_PERMANENT; in inet6_addr_modify()
4610 timeout = addrconf_timeout_fixup(cfg->preferred_lft, HZ); in inet6_addr_modify()
4613 cfg->ifa_flags |= IFA_F_DEPRECATED; in inet6_addr_modify()
4614 cfg->preferred_lft = timeout; in inet6_addr_modify()
4617 if (cfg->peer_pfx && in inet6_addr_modify()
4618 memcmp(&ifp->peer_addr, cfg->peer_pfx, sizeof(struct in6_addr))) { in inet6_addr_modify()
4619 if (!ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4624 spin_lock_bh(&ifp->lock); in inet6_addr_modify()
4625 was_managetempaddr = ifp->flags & IFA_F_MANAGETEMPADDR; in inet6_addr_modify()
4626 had_prefixroute = ifp->flags & IFA_F_PERMANENT && in inet6_addr_modify()
4627 !(ifp->flags & IFA_F_NOPREFIXROUTE); in inet6_addr_modify()
4628 ifp->flags &= ~(IFA_F_DEPRECATED | IFA_F_PERMANENT | IFA_F_NODAD | in inet6_addr_modify()
4631 ifp->flags |= cfg->ifa_flags; in inet6_addr_modify()
4632 ifp->tstamp = jiffies; in inet6_addr_modify()
4633 ifp->valid_lft = cfg->valid_lft; in inet6_addr_modify()
4634 ifp->prefered_lft = cfg->preferred_lft; in inet6_addr_modify()
4636 if (cfg->rt_priority && cfg->rt_priority != ifp->rt_priority) in inet6_addr_modify()
4637 ifp->rt_priority = cfg->rt_priority; in inet6_addr_modify()
4640 ifp->peer_addr = *cfg->peer_pfx; in inet6_addr_modify()
4642 spin_unlock_bh(&ifp->lock); in inet6_addr_modify()
4643 if (!(ifp->flags&IFA_F_TENTATIVE)) in inet6_addr_modify()
4646 if (!(cfg->ifa_flags & IFA_F_NOPREFIXROUTE)) { in inet6_addr_modify()
4647 int rc = -ENOENT; in inet6_addr_modify()
4652 /* prefix route could have been deleted; if so restore it */ in inet6_addr_modify()
4653 if (rc == -ENOENT) { in inet6_addr_modify()
4654 addrconf_prefix_route(&ifp->addr, ifp->prefix_len, in inet6_addr_modify()
4655 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4659 if (had_prefixroute && !ipv6_addr_any(&ifp->peer_addr)) in inet6_addr_modify()
4662 if (rc == -ENOENT && !ipv6_addr_any(&ifp->peer_addr)) { in inet6_addr_modify()
4663 addrconf_prefix_route(&ifp->peer_addr, ifp->prefix_len, in inet6_addr_modify()
4664 ifp->rt_priority, ifp->idev->dev, in inet6_addr_modify()
4671 write_lock_bh(&ifp->idev->lock); in inet6_addr_modify()
4673 write_unlock_bh(&ifp->idev->lock); in inet6_addr_modify()
4681 if (was_managetempaddr || ifp->flags & IFA_F_MANAGETEMPADDR) { in inet6_addr_modify()
4683 !(ifp->flags & IFA_F_MANAGETEMPADDR)) { in inet6_addr_modify()
4684 cfg->valid_lft = 0; in inet6_addr_modify()
4685 cfg->preferred_lft = 0; in inet6_addr_modify()
4687 manage_tempaddrs(ifp->idev, ifp, cfg->valid_lft, in inet6_addr_modify()
4688 cfg->preferred_lft, !was_managetempaddr, in inet6_addr_modify()
4701 struct net *net = sock_net(skb->sk); in inet6_rtm_newaddr()
4721 return -EINVAL; in inet6_rtm_newaddr()
4724 cfg.plen = ifm->ifa_prefixlen; in inet6_rtm_newaddr()
4735 cfg.valid_lft = ci->ifa_valid; in inet6_rtm_newaddr()
4736 cfg.preferred_lft = ci->ifa_prefered; in inet6_rtm_newaddr()
4739 dev = __dev_get_by_index(net, ifm->ifa_index); in inet6_rtm_newaddr()
4741 return -ENODEV; in inet6_rtm_newaddr()
4746 cfg.ifa_flags = ifm->ifa_flags; in inet6_rtm_newaddr()
4755 return -ENOBUFS; in inet6_rtm_newaddr()
4763 return -EINVAL; in inet6_rtm_newaddr()
4772 return inet6_addr_add(net, ifm->ifa_index, &cfg, extack); in inet6_rtm_newaddr()
4775 if (nlh->nlmsg_flags & NLM_F_EXCL || in inet6_rtm_newaddr()
4776 !(nlh->nlmsg_flags & NLM_F_REPLACE)) in inet6_rtm_newaddr()
4777 err = -EEXIST; in inet6_rtm_newaddr()
4792 ifm->ifa_family = AF_INET6; in put_ifaddrmsg()
4793 ifm->ifa_prefixlen = prefixlen; in put_ifaddrmsg()
4794 ifm->ifa_flags = flags; in put_ifaddrmsg()
4795 ifm->ifa_scope = scope; in put_ifaddrmsg()
4796 ifm->ifa_index = ifindex; in put_ifaddrmsg()
4842 return -EMSGSIZE; in inet6_fill_ifaddr()
4844 put_ifaddrmsg(nlh, ifa->prefix_len, ifa->flags, rt_scope(ifa->scope), in inet6_fill_ifaddr()
4845 ifa->idev->dev->ifindex); in inet6_fill_ifaddr()
4847 if (!((ifa->flags&IFA_F_PERMANENT) && in inet6_fill_ifaddr()
4848 (ifa->prefered_lft == INFINITY_LIFE_TIME))) { in inet6_fill_ifaddr()
4849 preferred = ifa->prefered_lft; in inet6_fill_ifaddr()
4850 valid = ifa->valid_lft; in inet6_fill_ifaddr()
4852 long tval = (jiffies - ifa->tstamp)/HZ; in inet6_fill_ifaddr()
4854 preferred -= tval; in inet6_fill_ifaddr()
4859 valid -= tval; in inet6_fill_ifaddr()
4869 if (!ipv6_addr_any(&ifa->peer_addr)) { in inet6_fill_ifaddr()
4870 if (nla_put_in6_addr(skb, IFA_LOCAL, &ifa->addr) < 0 || in inet6_fill_ifaddr()
4871 nla_put_in6_addr(skb, IFA_ADDRESS, &ifa->peer_addr) < 0) in inet6_fill_ifaddr()
4874 if (nla_put_in6_addr(skb, IFA_ADDRESS, &ifa->addr) < 0) in inet6_fill_ifaddr()
4877 if (ifa->rt_priority && in inet6_fill_ifaddr()
4878 nla_put_u32(skb, IFA_RT_PRIORITY, ifa->rt_priority)) in inet6_fill_ifaddr()
4881 if (put_cacheinfo(skb, ifa->cstamp, ifa->tstamp, preferred, valid) < 0) in inet6_fill_ifaddr()
4884 if (nla_put_u32(skb, IFA_FLAGS, ifa->flags) < 0) in inet6_fill_ifaddr()
4892 return -EMSGSIZE; in inet6_fill_ifaddr()
4900 int ifindex = ifmca->idev->dev->ifindex; in inet6_fill_ifmcaddr()
4902 if (ipv6_addr_scope(&ifmca->mca_addr) & IFA_SITE) in inet6_fill_ifmcaddr()
4907 return -EMSGSIZE; in inet6_fill_ifmcaddr()
4910 if (nla_put_in6_addr(skb, IFA_MULTICAST, &ifmca->mca_addr) < 0 || in inet6_fill_ifmcaddr()
4911 put_cacheinfo(skb, ifmca->mca_cstamp, ifmca->mca_tstamp, in inet6_fill_ifmcaddr()
4914 return -EMSGSIZE; in inet6_fill_ifmcaddr()
4924 struct net_device *dev = fib6_info_nh_dev(ifaca->aca_rt); in inet6_fill_ifacaddr()
4925 int ifindex = dev ? dev->ifindex : 1; in inet6_fill_ifacaddr()
4929 if (ipv6_addr_scope(&ifaca->aca_addr) & IFA_SITE) in inet6_fill_ifacaddr()
4934 return -EMSGSIZE; in inet6_fill_ifacaddr()
4937 if (nla_put_in6_addr(skb, IFA_ANYCAST, &ifaca->aca_addr) < 0 || in inet6_fill_ifacaddr()
4938 put_cacheinfo(skb, ifaca->aca_cstamp, ifaca->aca_tstamp, in inet6_fill_ifacaddr()
4941 return -EMSGSIZE; in inet6_fill_ifacaddr()
4964 read_lock_bh(&idev->lock); in in6_dump_addrs()
4970 list_for_each_entry(ifa, &idev->addr_list, if_list) { in in6_dump_addrs()
4974 NETLINK_CB(cb->skb).portid, in in6_dump_addrs()
4975 cb->nlh->nlmsg_seq, in in6_dump_addrs()
4988 for (ifmca = idev->mc_list; ifmca; in in6_dump_addrs()
4989 ifmca = ifmca->next, ip_idx++) { in in6_dump_addrs()
4993 NETLINK_CB(cb->skb).portid, in in6_dump_addrs()
4994 cb->nlh->nlmsg_seq, in in6_dump_addrs()
5003 for (ifaca = idev->ac_list; ifaca; in in6_dump_addrs()
5004 ifaca = ifaca->aca_next, ip_idx++) { in in6_dump_addrs()
5008 NETLINK_CB(cb->skb).portid, in in6_dump_addrs()
5009 cb->nlh->nlmsg_seq, in in6_dump_addrs()
5019 read_unlock_bh(&idev->lock); in in6_dump_addrs()
5027 struct net *net = sock_net(skb->sk); in inet6_dump_addr()
5035 s_h = cb->args[0]; in inet6_dump_addr()
5036 s_idx = idx = cb->args[1]; in inet6_dump_addr()
5037 s_ip_idx = ip_idx = cb->args[2]; in inet6_dump_addr()
5040 cb->seq = atomic_read(&net->ipv6.dev_addr_genid) ^ net->dev_base_seq; in inet6_dump_addr()
5043 head = &net->dev_index_head[h]; in inet6_dump_addr()
5063 cb->args[0] = h; in inet6_dump_addr()
5064 cb->args[1] = idx; in inet6_dump_addr()
5065 cb->args[2] = ip_idx; in inet6_dump_addr()
5067 return skb->len; in inet6_dump_addr()
5095 struct net *net = sock_net(in_skb->sk); in inet6_rtm_getaddr()
5111 return -EINVAL; in inet6_rtm_getaddr()
5114 if (ifm->ifa_index) in inet6_rtm_getaddr()
5115 dev = dev_get_by_index(net, ifm->ifa_index); in inet6_rtm_getaddr()
5119 err = -EADDRNOTAVAIL; in inet6_rtm_getaddr()
5125 err = -ENOBUFS; in inet6_rtm_getaddr()
5130 nlh->nlmsg_seq, RTM_NEWADDR, 0); in inet6_rtm_getaddr()
5132 /* -EMSGSIZE implies BUG in inet6_ifaddr_msgsize() */ in inet6_rtm_getaddr()
5133 WARN_ON(err == -EMSGSIZE); in inet6_rtm_getaddr()
5149 struct net *net = dev_net(ifa->idev->dev); in inet6_ifa_notify()
5150 int err = -ENOBUFS; in inet6_ifa_notify()
5158 /* -EMSGSIZE implies BUG in inet6_ifaddr_msgsize() */ in inet6_ifa_notify()
5159 WARN_ON(err == -EMSGSIZE); in inet6_ifa_notify()
5176 array[DEVCONF_FORWARDING] = cnf->forwarding; in ipv6_store_devconf()
5177 array[DEVCONF_HOPLIMIT] = cnf->hop_limit; in ipv6_store_devconf()
5178 array[DEVCONF_MTU6] = cnf->mtu6; in ipv6_store_devconf()
5179 array[DEVCONF_ACCEPT_RA] = cnf->accept_ra; in ipv6_store_devconf()
5180 array[DEVCONF_ACCEPT_REDIRECTS] = cnf->accept_redirects; in ipv6_store_devconf()
5181 array[DEVCONF_AUTOCONF] = cnf->autoconf; in ipv6_store_devconf()
5182 array[DEVCONF_DAD_TRANSMITS] = cnf->dad_transmits; in ipv6_store_devconf()
5183 array[DEVCONF_RTR_SOLICITS] = cnf->rtr_solicits; in ipv6_store_devconf()
5185 jiffies_to_msecs(cnf->rtr_solicit_interval); in ipv6_store_devconf()
5187 jiffies_to_msecs(cnf->rtr_solicit_max_interval); in ipv6_store_devconf()
5189 jiffies_to_msecs(cnf->rtr_solicit_delay); in ipv6_store_devconf()
5190 array[DEVCONF_FORCE_MLD_VERSION] = cnf->force_mld_version; in ipv6_store_devconf()
5192 jiffies_to_msecs(cnf->mldv1_unsolicited_report_interval); in ipv6_store_devconf()
5194 jiffies_to_msecs(cnf->mldv2_unsolicited_report_interval); in ipv6_store_devconf()
5195 array[DEVCONF_USE_TEMPADDR] = cnf->use_tempaddr; in ipv6_store_devconf()
5196 array[DEVCONF_TEMP_VALID_LFT] = cnf->temp_valid_lft; in ipv6_store_devconf()
5197 array[DEVCONF_TEMP_PREFERED_LFT] = cnf->temp_prefered_lft; in ipv6_store_devconf()
5198 array[DEVCONF_REGEN_MAX_RETRY] = cnf->regen_max_retry; in ipv6_store_devconf()
5199 array[DEVCONF_MAX_DESYNC_FACTOR] = cnf->max_desync_factor; in ipv6_store_devconf()
5200 array[DEVCONF_MAX_ADDRESSES] = cnf->max_addresses; in ipv6_store_devconf()
5201 array[DEVCONF_ACCEPT_RA_DEFRTR] = cnf->accept_ra_defrtr; in ipv6_store_devconf()
5202 array[DEVCONF_ACCEPT_RA_MIN_HOP_LIMIT] = cnf->accept_ra_min_hop_limit; in ipv6_store_devconf()
5203 array[DEVCONF_ACCEPT_RA_PINFO] = cnf->accept_ra_pinfo; in ipv6_store_devconf()
5205 array[DEVCONF_ACCEPT_RA_RTR_PREF] = cnf->accept_ra_rtr_pref; in ipv6_store_devconf()
5207 jiffies_to_msecs(cnf->rtr_probe_interval); in ipv6_store_devconf()
5209 array[DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN] = cnf->accept_ra_rt_info_min_plen; in ipv6_store_devconf()
5210 array[DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN] = cnf->accept_ra_rt_info_max_plen; in ipv6_store_devconf()
5213 array[DEVCONF_PROXY_NDP] = cnf->proxy_ndp; in ipv6_store_devconf()
5214 array[DEVCONF_ACCEPT_SOURCE_ROUTE] = cnf->accept_source_route; in ipv6_store_devconf()
5216 array[DEVCONF_OPTIMISTIC_DAD] = cnf->optimistic_dad; in ipv6_store_devconf()
5217 array[DEVCONF_USE_OPTIMISTIC] = cnf->use_optimistic; in ipv6_store_devconf()
5220 array[DEVCONF_MC_FORWARDING] = cnf->mc_forwarding; in ipv6_store_devconf()
5222 array[DEVCONF_DISABLE_IPV6] = cnf->disable_ipv6; in ipv6_store_devconf()
5223 array[DEVCONF_ACCEPT_DAD] = cnf->accept_dad; in ipv6_store_devconf()
5224 array[DEVCONF_FORCE_TLLAO] = cnf->force_tllao; in ipv6_store_devconf()
5225 array[DEVCONF_NDISC_NOTIFY] = cnf->ndisc_notify; in ipv6_store_devconf()
5226 array[DEVCONF_SUPPRESS_FRAG_NDISC] = cnf->suppress_frag_ndisc; in ipv6_store_devconf()
5227 array[DEVCONF_ACCEPT_RA_FROM_LOCAL] = cnf->accept_ra_from_local; in ipv6_store_devconf()
5228 array[DEVCONF_ACCEPT_RA_MTU] = cnf->accept_ra_mtu; in ipv6_store_devconf()
5229 array[DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN] = cnf->ignore_routes_with_linkdown; in ipv6_store_devconf()
5231 array[DEVCONF_USE_OIF_ADDRS_ONLY] = cnf->use_oif_addrs_only; in ipv6_store_devconf()
5232 array[DEVCONF_DROP_UNICAST_IN_L2_MULTICAST] = cnf->drop_unicast_in_l2_multicast; in ipv6_store_devconf()
5233 array[DEVCONF_DROP_UNSOLICITED_NA] = cnf->drop_unsolicited_na; in ipv6_store_devconf()
5234 array[DEVCONF_KEEP_ADDR_ON_DOWN] = cnf->keep_addr_on_down; in ipv6_store_devconf()
5235 array[DEVCONF_SEG6_ENABLED] = cnf->seg6_enabled; in ipv6_store_devconf()
5237 array[DEVCONF_SEG6_REQUIRE_HMAC] = cnf->seg6_require_hmac; in ipv6_store_devconf()
5239 array[DEVCONF_ENHANCED_DAD] = cnf->enhanced_dad; in ipv6_store_devconf()
5240 array[DEVCONF_ADDR_GEN_MODE] = cnf->addr_gen_mode; in ipv6_store_devconf()
5241 array[DEVCONF_DISABLE_POLICY] = cnf->disable_policy; in ipv6_store_devconf()
5242 array[DEVCONF_NDISC_TCLASS] = cnf->ndisc_tclass; in ipv6_store_devconf()
5272 int pad = bytes - sizeof(u64) * ICMP6_MIB_MAX; in __snmp6_fill_statsdev()
5288 int pad = bytes - sizeof(u64) * IPSTATS_MIB_MAX; in __snmp6_fill_stats64()
5309 __snmp6_fill_stats64(stats, idev->stats.ipv6, bytes, in snmp6_fill_stats()
5313 __snmp6_fill_statsdev(stats, idev->stats.icmpv6dev->mibs, bytes); in snmp6_fill_stats()
5324 if (nla_put_u32(skb, IFLA_INET6_FLAGS, idev->if_flags)) in inet6_fill_ifla6_attrs()
5327 ci.tstamp = cstamp_delta(idev->tstamp); in inet6_fill_ifla6_attrs()
5328 ci.reachable_time = jiffies_to_msecs(idev->nd_parms->reachable_time); in inet6_fill_ifla6_attrs()
5329 ci.retrans_time = jiffies_to_msecs(NEIGH_VAR(idev->nd_parms, RETRANS_TIME)); in inet6_fill_ifla6_attrs()
5335 ipv6_store_devconf(&idev->cnf, nla_data(nla), nla_len(nla)); in inet6_fill_ifla6_attrs()
5337 /* XXX - MC not implemented */ in inet6_fill_ifla6_attrs()
5356 if (nla_put_u8(skb, IFLA_INET6_ADDR_GEN_MODE, idev->cnf.addr_gen_mode)) in inet6_fill_ifla6_attrs()
5359 read_lock_bh(&idev->lock); in inet6_fill_ifla6_attrs()
5360 memcpy(nla_data(nla), idev->token.s6_addr, nla_len(nla)); in inet6_fill_ifla6_attrs()
5361 read_unlock_bh(&idev->lock); in inet6_fill_ifla6_attrs()
5366 return -EMSGSIZE; in inet6_fill_ifla6_attrs()
5384 return -ENODATA; in inet6_fill_link_af()
5387 return -EMSGSIZE; in inet6_fill_link_af()
5395 struct net_device *dev = idev->dev; in inet6_set_iftoken()
5402 return -EINVAL; in inet6_set_iftoken()
5403 if (dev->flags & (IFF_LOOPBACK | IFF_NOARP)) in inet6_set_iftoken()
5404 return -EINVAL; in inet6_set_iftoken()
5406 return -EINVAL; in inet6_set_iftoken()
5407 if (idev->cnf.rtr_solicits == 0) in inet6_set_iftoken()
5408 return -EINVAL; in inet6_set_iftoken()
5410 write_lock_bh(&idev->lock); in inet6_set_iftoken()
5412 BUILD_BUG_ON(sizeof(token->s6_addr) != 16); in inet6_set_iftoken()
5413 memcpy(idev->token.s6_addr + 8, token->s6_addr + 8, 8); in inet6_set_iftoken()
5415 write_unlock_bh(&idev->lock); in inet6_set_iftoken()
5421 if (!idev->dead && (idev->if_flags & IF_READY) && in inet6_set_iftoken()
5432 write_lock_bh(&idev->lock); in inet6_set_iftoken()
5435 idev->if_flags |= IF_RS_SENT; in inet6_set_iftoken()
5436 idev->rs_interval = rfc3315_s14_backoff_init( in inet6_set_iftoken()
5437 idev->cnf.rtr_solicit_interval); in inet6_set_iftoken()
5438 idev->rs_probes = 1; in inet6_set_iftoken()
5439 addrconf_mod_rs_timer(idev, idev->rs_interval); in inet6_set_iftoken()
5443 list_for_each_entry(ifp, &idev->addr_list, if_list) { in inet6_set_iftoken()
5444 spin_lock(&ifp->lock); in inet6_set_iftoken()
5445 if (ifp->tokenized) { in inet6_set_iftoken()
5446 ifp->valid_lft = 0; in inet6_set_iftoken()
5447 ifp->prefered_lft = 0; in inet6_set_iftoken()
5449 spin_unlock(&ifp->lock); in inet6_set_iftoken()
5452 write_unlock_bh(&idev->lock); in inet6_set_iftoken()
5469 return -EAFNOSUPPORT; in inet6_validate_link_af()
5481 return -EINVAL; in check_addr_gen_mode()
5489 !idev->cnf.stable_secret.initialized && in check_stable_privacy()
5490 !net->ipv6.devconf_dflt->stable_secret.initialized) in check_stable_privacy()
5491 return -EINVAL; in check_stable_privacy()
5497 int err = -EINVAL; in inet6_set_link_af()
5502 return -EAFNOSUPPORT; in inet6_set_link_af()
5518 return -EINVAL; in inet6_set_link_af()
5520 idev->cnf.addr_gen_mode = mode; in inet6_set_link_af()
5530 struct net_device *dev = idev->dev; in inet6_fill_ifinfo()
5537 return -EMSGSIZE; in inet6_fill_ifinfo()
5540 hdr->ifi_family = AF_INET6; in inet6_fill_ifinfo()
5541 hdr->__ifi_pad = 0; in inet6_fill_ifinfo()
5542 hdr->ifi_type = dev->type; in inet6_fill_ifinfo()
5543 hdr->ifi_index = dev->ifindex; in inet6_fill_ifinfo()
5544 hdr->ifi_flags = dev_get_flags(dev); in inet6_fill_ifinfo()
5545 hdr->ifi_change = 0; in inet6_fill_ifinfo()
5547 if (nla_put_string(skb, IFLA_IFNAME, dev->name) || in inet6_fill_ifinfo()
5548 (dev->addr_len && in inet6_fill_ifinfo()
5549 nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) || in inet6_fill_ifinfo()
5550 nla_put_u32(skb, IFLA_MTU, dev->mtu) || in inet6_fill_ifinfo()
5551 (dev->ifindex != dev_get_iflink(dev) && in inet6_fill_ifinfo()
5554 netif_running(dev) ? dev->operstate : IF_OPER_DOWN)) in inet6_fill_ifinfo()
5569 return -EMSGSIZE; in inet6_fill_ifinfo()
5574 struct net *net = sock_net(skb->sk); in inet6_dump_ifinfo()
5581 s_h = cb->args[0]; in inet6_dump_ifinfo()
5582 s_idx = cb->args[1]; in inet6_dump_ifinfo()
5587 head = &net->dev_index_head[h]; in inet6_dump_ifinfo()
5595 NETLINK_CB(cb->skb).portid, in inet6_dump_ifinfo()
5596 cb->nlh->nlmsg_seq, in inet6_dump_ifinfo()
5605 cb->args[1] = idx; in inet6_dump_ifinfo()
5606 cb->args[0] = h; in inet6_dump_ifinfo()
5608 return skb->len; in inet6_dump_ifinfo()
5614 struct net *net = dev_net(idev->dev); in inet6_ifinfo_notify()
5615 int err = -ENOBUFS; in inet6_ifinfo_notify()
5623 /* -EMSGSIZE implies BUG in inet6_if_nlmsg_size() */ in inet6_ifinfo_notify()
5624 WARN_ON(err == -EMSGSIZE); in inet6_ifinfo_notify()
5652 return -EMSGSIZE; in inet6_fill_prefix()
5655 pmsg->prefix_family = AF_INET6; in inet6_fill_prefix()
5656 pmsg->prefix_pad1 = 0; in inet6_fill_prefix()
5657 pmsg->prefix_pad2 = 0; in inet6_fill_prefix()
5658 pmsg->prefix_ifindex = idev->dev->ifindex; in inet6_fill_prefix()
5659 pmsg->prefix_len = pinfo->prefix_len; in inet6_fill_prefix()
5660 pmsg->prefix_type = pinfo->type; in inet6_fill_prefix()
5661 pmsg->prefix_pad3 = 0; in inet6_fill_prefix()
5662 pmsg->prefix_flags = 0; in inet6_fill_prefix()
5663 if (pinfo->onlink) in inet6_fill_prefix()
5664 pmsg->prefix_flags |= IF_PREFIX_ONLINK; in inet6_fill_prefix()
5665 if (pinfo->autoconf) in inet6_fill_prefix()
5666 pmsg->prefix_flags |= IF_PREFIX_AUTOCONF; in inet6_fill_prefix()
5668 if (nla_put(skb, PREFIX_ADDRESS, sizeof(pinfo->prefix), &pinfo->prefix)) in inet6_fill_prefix()
5670 ci.preferred_time = ntohl(pinfo->prefered); in inet6_fill_prefix()
5671 ci.valid_time = ntohl(pinfo->valid); in inet6_fill_prefix()
5679 return -EMSGSIZE; in inet6_fill_prefix()
5686 struct net *net = dev_net(idev->dev); in inet6_prefix_notify()
5687 int err = -ENOBUFS; in inet6_prefix_notify()
5695 /* -EMSGSIZE implies BUG in inet6_prefix_nlmsg_size() */ in inet6_prefix_notify()
5696 WARN_ON(err == -EMSGSIZE); in inet6_prefix_notify()
5709 struct net *net = dev_net(ifp->idev->dev); in __ipv6_ifa_notify()
5719 * If the address was optimistic we inserted the route at the in __ipv6_ifa_notify()
5723 * host route, so nothing to insert. That will be fixed when in __ipv6_ifa_notify()
5726 if (ifp->rt && !rcu_access_pointer(ifp->rt->fib6_node)) { in __ipv6_ifa_notify()
5727 ip6_ins_rt(net, ifp->rt); in __ipv6_ifa_notify()
5728 } else if (!ifp->rt && (ifp->idev->dev->flags & IFF_UP)) { in __ipv6_ifa_notify()
5729 pr_warn("BUG: Address %pI6c on device %s is missing its host route.\n", in __ipv6_ifa_notify()
5730 &ifp->addr, ifp->idev->dev->name); in __ipv6_ifa_notify()
5733 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
5735 if (!ipv6_addr_any(&ifp->peer_addr)) in __ipv6_ifa_notify()
5736 addrconf_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
5737 ifp->rt_priority, ifp->idev->dev, in __ipv6_ifa_notify()
5741 if (ifp->idev->cnf.forwarding) in __ipv6_ifa_notify()
5743 addrconf_leave_solict(ifp->idev, &ifp->addr); in __ipv6_ifa_notify()
5744 if (!ipv6_addr_any(&ifp->peer_addr)) { in __ipv6_ifa_notify()
5747 rt = addrconf_get_prefix_route(&ifp->peer_addr, 128, in __ipv6_ifa_notify()
5748 ifp->idev->dev, 0, 0); in __ipv6_ifa_notify()
5752 if (ifp->rt) { in __ipv6_ifa_notify()
5753 ip6_del_rt(net, ifp->rt); in __ipv6_ifa_notify()
5754 ifp->rt = NULL; in __ipv6_ifa_notify()
5759 atomic_inc(&net->ipv6.dev_addr_genid); in __ipv6_ifa_notify()
5765 if (likely(ifp->idev->dead == 0)) in ipv6_ifa_notify()
5776 int *valp = ctl->data; in addrconf_sysctl_forward()
5783 * ctl->data points to idev->cnf.forwarding, we should in addrconf_sysctl_forward()
5802 struct inet6_dev *idev = ctl->extra1; in addrconf_sysctl_mtu()
5808 lctl.extra2 = idev ? &idev->dev->mtu : NULL; in addrconf_sysctl_mtu()
5817 if (!idev || !idev->dev) in dev_disable_change()
5820 netdev_notifier_info_init(&info, idev->dev); in dev_disable_change()
5821 if (idev->cnf.disable_ipv6) in dev_disable_change()
5835 int changed = (!idev->cnf.disable_ipv6) ^ (!newf); in addrconf_disable_change()
5836 idev->cnf.disable_ipv6 = newf; in addrconf_disable_change()
5851 net = (struct net *)table->extra2; in addrconf_disable_ipv6()
5855 if (p == &net->ipv6.devconf_dflt->disable_ipv6) { in addrconf_disable_ipv6()
5860 if (p == &net->ipv6.devconf_all->disable_ipv6) { in addrconf_disable_ipv6()
5861 net->ipv6.devconf_dflt->disable_ipv6 = newf; in addrconf_disable_ipv6()
5864 dev_disable_change((struct inet6_dev *)table->extra1); in addrconf_disable_ipv6()
5874 int *valp = ctl->data; in addrconf_sysctl_disable()
5881 * ctl->data points to idev->cnf.disable_ipv6, we should in addrconf_sysctl_disable()
5900 int *valp = ctl->data; in addrconf_sysctl_proxy_ndp()
5909 struct net *net = ctl->extra2; in addrconf_sysctl_proxy_ndp()
5914 if (valp == &net->ipv6.devconf_dflt->proxy_ndp) in addrconf_sysctl_proxy_ndp()
5918 net->ipv6.devconf_dflt); in addrconf_sysctl_proxy_ndp()
5919 else if (valp == &net->ipv6.devconf_all->proxy_ndp) in addrconf_sysctl_proxy_ndp()
5923 net->ipv6.devconf_all); in addrconf_sysctl_proxy_ndp()
5925 struct inet6_dev *idev = ctl->extra1; in addrconf_sysctl_proxy_ndp()
5929 idev->dev->ifindex, in addrconf_sysctl_proxy_ndp()
5930 &idev->cnf); in addrconf_sysctl_proxy_ndp()
5944 struct inet6_dev *idev = (struct inet6_dev *)ctl->extra1; in addrconf_sysctl_addr_gen_mode()
5945 struct net *net = (struct net *)ctl->extra2; in addrconf_sysctl_addr_gen_mode()
5949 .mode = ctl->mode, in addrconf_sysctl_addr_gen_mode()
5955 new_val = *((u32 *)ctl->data); in addrconf_sysctl_addr_gen_mode()
5963 ret = -EINVAL; in addrconf_sysctl_addr_gen_mode()
5969 ret = -EINVAL; in addrconf_sysctl_addr_gen_mode()
5973 if (idev->cnf.addr_gen_mode != new_val) { in addrconf_sysctl_addr_gen_mode()
5974 idev->cnf.addr_gen_mode = new_val; in addrconf_sysctl_addr_gen_mode()
5975 addrconf_dev_config(idev->dev); in addrconf_sysctl_addr_gen_mode()
5977 } else if (&net->ipv6.devconf_all->addr_gen_mode == ctl->data) { in addrconf_sysctl_addr_gen_mode()
5980 net->ipv6.devconf_dflt->addr_gen_mode = new_val; in addrconf_sysctl_addr_gen_mode()
5984 idev->cnf.addr_gen_mode != new_val) { in addrconf_sysctl_addr_gen_mode()
5985 idev->cnf.addr_gen_mode = new_val; in addrconf_sysctl_addr_gen_mode()
5986 addrconf_dev_config(idev->dev); in addrconf_sysctl_addr_gen_mode()
5991 *((u32 *)ctl->data) = new_val; in addrconf_sysctl_addr_gen_mode()
6008 struct net *net = ctl->extra2; in addrconf_sysctl_stable_secret()
6009 struct ipv6_stable_secret *secret = ctl->data; in addrconf_sysctl_stable_secret()
6011 if (&net->ipv6.devconf_all->stable_secret == ctl->data) in addrconf_sysctl_stable_secret()
6012 return -EIO; in addrconf_sysctl_stable_secret()
6020 if (!write && !secret->initialized) { in addrconf_sysctl_stable_secret()
6021 err = -EIO; in addrconf_sysctl_stable_secret()
6025 err = snprintf(str, sizeof(str), "%pI6", &secret->secret); in addrconf_sysctl_stable_secret()
6027 err = -EIO; in addrconf_sysctl_stable_secret()
6035 if (in6_pton(str, -1, addr.in6_u.u6_addr8, -1, NULL) != 1) { in addrconf_sysctl_stable_secret()
6036 err = -EIO; in addrconf_sysctl_stable_secret()
6040 secret->initialized = true; in addrconf_sysctl_stable_secret()
6041 secret->secret = addr; in addrconf_sysctl_stable_secret()
6043 if (&net->ipv6.devconf_dflt->stable_secret == ctl->data) { in addrconf_sysctl_stable_secret()
6050 idev->cnf.addr_gen_mode = in addrconf_sysctl_stable_secret()
6055 struct inet6_dev *idev = ctl->extra1; in addrconf_sysctl_stable_secret()
6057 idev->cnf.addr_gen_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY; in addrconf_sysctl_stable_secret()
6073 int *valp = ctl->data; in addrconf_sysctl_ignore_routes_with_linkdown()
6079 /* ctl->data points to idev->cnf.ignore_routes_when_linkdown in addrconf_sysctl_ignore_routes_with_linkdown()
6099 rt->dst.flags |= DST_NOPOLICY; in addrconf_set_nopolicy()
6101 rt->dst.flags &= ~DST_NOPOLICY; in addrconf_set_nopolicy()
6110 read_lock_bh(&idev->lock); in addrconf_disable_policy_idev()
6111 list_for_each_entry(ifa, &idev->addr_list, if_list) { in addrconf_disable_policy_idev()
6112 spin_lock(&ifa->lock); in addrconf_disable_policy_idev()
6113 if (ifa->rt) { in addrconf_disable_policy_idev()
6114 struct fib6_info *rt = ifa->rt; in addrconf_disable_policy_idev()
6118 ifa->rt->dst_nopolicy = val ? true : false; in addrconf_disable_policy_idev()
6119 if (rt->rt6i_pcpu) { in addrconf_disable_policy_idev()
6123 rtp = per_cpu_ptr(rt->rt6i_pcpu, cpu); in addrconf_disable_policy_idev()
6129 spin_unlock(&ifa->lock); in addrconf_disable_policy_idev()
6131 read_unlock_bh(&idev->lock); in addrconf_disable_policy_idev()
6145 net = (struct net *)ctl->extra2; in addrconf_disable_policy()
6146 if (valp == &net->ipv6.devconf_dflt->disable_policy) { in addrconf_disable_policy()
6151 if (valp == &net->ipv6.devconf_all->disable_policy) { in addrconf_disable_policy()
6160 idev = (struct inet6_dev *)ctl->extra1; in addrconf_disable_policy()
6173 int *valp = ctl->data; in addrconf_sysctl_disable_policy()
6192 static int minus_one = -1;
6590 table[i].data += (char *)p - (char *)&ipv6_devconf; in __addrconf_sysctl_register()
6603 p->sysctl_header = register_net_sysctl(net, path, table); in __addrconf_sysctl_register()
6604 if (!p->sysctl_header) in __addrconf_sysctl_register()
6612 ifindex = idev->dev->ifindex; in __addrconf_sysctl_register()
6620 return -ENOBUFS; in __addrconf_sysctl_register()
6628 if (!p->sysctl_header) in __addrconf_sysctl_unregister()
6631 table = p->sysctl_header->ctl_table_arg; in __addrconf_sysctl_unregister()
6632 unregister_net_sysctl_table(p->sysctl_header); in __addrconf_sysctl_unregister()
6633 p->sysctl_header = NULL; in __addrconf_sysctl_unregister()
6643 if (!sysctl_dev_name_is_allowed(idev->dev->name)) in addrconf_sysctl_register()
6644 return -EINVAL; in addrconf_sysctl_register()
6646 err = neigh_sysctl_register(idev->dev, idev->nd_parms, in addrconf_sysctl_register()
6650 err = __addrconf_sysctl_register(dev_net(idev->dev), idev->dev->name, in addrconf_sysctl_register()
6651 idev, &idev->cnf); in addrconf_sysctl_register()
6653 neigh_sysctl_unregister(idev->nd_parms); in addrconf_sysctl_register()
6660 __addrconf_sysctl_unregister(dev_net(idev->dev), &idev->cnf, in addrconf_sysctl_unregister()
6661 idev->dev->ifindex); in addrconf_sysctl_unregister()
6662 neigh_sysctl_unregister(idev->nd_parms); in addrconf_sysctl_unregister()
6670 int err = -ENOMEM; in addrconf_init_net()
6682 dflt->autoconf = ipv6_defaults.autoconf; in addrconf_init_net()
6683 dflt->disable_ipv6 = ipv6_defaults.disable_ipv6; in addrconf_init_net()
6685 dflt->stable_secret.initialized = false; in addrconf_init_net()
6686 all->stable_secret.initialized = false; in addrconf_init_net()
6688 net->ipv6.devconf_all = all; in addrconf_init_net()
6689 net->ipv6.devconf_dflt = dflt; in addrconf_init_net()
6717 __addrconf_sysctl_unregister(net, net->ipv6.devconf_dflt, in addrconf_exit_net()
6719 __addrconf_sysctl_unregister(net, net->ipv6.devconf_all, in addrconf_exit_net()
6722 kfree(net->ipv6.devconf_dflt); in addrconf_exit_net()
6723 kfree(net->ipv6.devconf_all); in addrconf_exit_net()
6761 err = -ENOMEM; in addrconf_init()
6767 * before it can bring up and give link-local addresses in addrconf_init()
6774 * give link-local addresses to all devices besides loopback_dev in addrconf_init()
6775 * first, then loopback_dev, which cases all the non-loopback_dev in addrconf_init()
6776 * devices to fail to get a link-local address. in addrconf_init()