Lines Matching full:rt
437 const struct rtable *rt = container_of(dst, struct rtable, dst); in ipv4_neigh_lookup() local
443 if (likely(rt->rt_gw_family == AF_INET)) { in ipv4_neigh_lookup()
444 n = ip_neigh_gw4(dev, rt->rt_gw4); in ipv4_neigh_lookup()
445 } else if (rt->rt_gw_family == AF_INET6) { in ipv4_neigh_lookup()
446 n = ip_neigh_gw6(dev, &rt->rt_gw6); in ipv4_neigh_lookup()
464 const struct rtable *rt = container_of(dst, struct rtable, dst); in ipv4_confirm_neigh() local
468 if (rt->rt_gw_family == AF_INET) { in ipv4_confirm_neigh()
469 pkey = (const __be32 *)&rt->rt_gw4; in ipv4_confirm_neigh()
470 } else if (rt->rt_gw_family == AF_INET6) { in ipv4_confirm_neigh()
471 return __ipv6_confirm_neigh_stub(dev, &rt->rt_gw6); in ipv4_confirm_neigh()
473 (rt->rt_flags & in ipv4_confirm_neigh()
597 struct rtable *rt; in fnhe_flush_routes() local
599 rt = rcu_dereference(fnhe->fnhe_rth_input); in fnhe_flush_routes()
600 if (rt) { in fnhe_flush_routes()
602 dst_dev_put(&rt->dst); in fnhe_flush_routes()
603 dst_release(&rt->dst); in fnhe_flush_routes()
605 rt = rcu_dereference(fnhe->fnhe_rth_output); in fnhe_flush_routes()
606 if (rt) { in fnhe_flush_routes()
608 dst_dev_put(&rt->dst); in fnhe_flush_routes()
609 dst_release(&rt->dst); in fnhe_flush_routes()
644 static void fill_route_from_fnhe(struct rtable *rt, struct fib_nh_exception *fnhe) in fill_route_from_fnhe() argument
646 rt->rt_pmtu = fnhe->fnhe_pmtu; in fill_route_from_fnhe()
647 rt->rt_mtu_locked = fnhe->fnhe_mtu_locked; in fill_route_from_fnhe()
648 rt->dst.expires = fnhe->fnhe_expires; in fill_route_from_fnhe()
651 rt->rt_flags |= RTCF_REDIRECTED; in fill_route_from_fnhe()
652 rt->rt_uses_gateway = 1; in fill_route_from_fnhe()
653 rt->rt_gw_family = AF_INET; in fill_route_from_fnhe()
654 rt->rt_gw4 = fnhe->fnhe_gw; in fill_route_from_fnhe()
664 struct rtable *rt; in update_or_create_fnhe() local
703 rt = rcu_dereference(fnhe->fnhe_rth_input); in update_or_create_fnhe()
704 if (rt) in update_or_create_fnhe()
705 fill_route_from_fnhe(rt, fnhe); in update_or_create_fnhe()
706 rt = rcu_dereference(fnhe->fnhe_rth_output); in update_or_create_fnhe()
707 if (rt) in update_or_create_fnhe()
708 fill_route_from_fnhe(rt, fnhe); in update_or_create_fnhe()
738 rt = rcu_dereference(nhc->nhc_rth_input); in update_or_create_fnhe()
739 if (rt) in update_or_create_fnhe()
740 rt->dst.obsolete = DST_OBSOLETE_KILL; in update_or_create_fnhe()
745 rt = rcu_dereference(*prt); in update_or_create_fnhe()
746 if (rt) in update_or_create_fnhe()
747 rt->dst.obsolete = DST_OBSOLETE_KILL; in update_or_create_fnhe()
757 static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flowi4 *fl4, in __ip_do_redirect() argument
779 if (rt->rt_gw_family != AF_INET || rt->rt_gw4 != old_gw) in __ip_do_redirect()
802 n = __ipv4_neigh_lookup(rt->dst.dev, new_gw); in __ip_do_redirect()
804 n = neigh_create(&arp_tbl, &new_gw, rt->dst.dev); in __ip_do_redirect()
819 rt->dst.obsolete = DST_OBSOLETE_KILL; in __ip_do_redirect()
844 struct rtable *rt; in ip_do_redirect() local
853 rt = (struct rtable *) dst; in ip_do_redirect()
856 __ip_do_redirect(rt, skb, &fl4, true); in ip_do_redirect()
861 struct rtable *rt = (struct rtable *)dst; in ipv4_negative_advice() local
864 if (rt) { in ipv4_negative_advice()
866 ip_rt_put(rt); in ipv4_negative_advice()
868 } else if ((rt->rt_flags & RTCF_REDIRECTED) || in ipv4_negative_advice()
869 rt->dst.expires) { in ipv4_negative_advice()
870 ip_rt_put(rt); in ipv4_negative_advice()
895 struct rtable *rt = skb_rtable(skb); in ip_rt_send_redirect() local
903 in_dev = __in_dev_get_rcu(rt->dst.dev); in ip_rt_send_redirect()
909 vif = l3mdev_master_ifindex_rcu(rt->dst.dev); in ip_rt_send_redirect()
912 net = dev_net(rt->dst.dev); in ip_rt_send_redirect()
916 rt_nexthop(rt, ip_hdr(skb)->daddr)); in ip_rt_send_redirect()
943 __be32 gw = rt_nexthop(rt, ip_hdr(skb)->daddr); in ip_rt_send_redirect()
962 struct rtable *rt = skb_rtable(skb); in ip_error() local
983 net = dev_net(rt->dst.dev); in ip_error()
985 switch (rt->dst.error) { in ip_error()
997 switch (rt->dst.error) { in ip_error()
1036 static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) in __ip_rt_update_pmtu() argument
1038 struct dst_entry *dst = &rt->dst; in __ip_rt_update_pmtu()
1056 if (rt->rt_pmtu == mtu && !lock && in __ip_rt_update_pmtu()
1076 struct rtable *rt = (struct rtable *) dst; in ip_rt_update_pmtu() local
1085 __ip_rt_update_pmtu(rt, &fl4, mtu); in ip_rt_update_pmtu()
1093 struct rtable *rt; in ipv4_update_pmtu() local
1098 rt = __ip_route_output_key(net, &fl4); in ipv4_update_pmtu()
1099 if (!IS_ERR(rt)) { in ipv4_update_pmtu()
1100 __ip_rt_update_pmtu(rt, &fl4, mtu); in ipv4_update_pmtu()
1101 ip_rt_put(rt); in ipv4_update_pmtu()
1110 struct rtable *rt; in __ipv4_sk_update_pmtu() local
1117 rt = __ip_route_output_key(sock_net(sk), &fl4); in __ipv4_sk_update_pmtu()
1118 if (!IS_ERR(rt)) { in __ipv4_sk_update_pmtu()
1119 __ip_rt_update_pmtu(rt, &fl4, mtu); in __ipv4_sk_update_pmtu()
1120 ip_rt_put(rt); in __ipv4_sk_update_pmtu()
1128 struct rtable *rt; in ipv4_sk_update_pmtu() local
1147 rt = (struct rtable *)odst; in ipv4_sk_update_pmtu()
1149 rt = ip_route_output_flow(sock_net(sk), &fl4, sk); in ipv4_sk_update_pmtu()
1150 if (IS_ERR(rt)) in ipv4_sk_update_pmtu()
1156 __ip_rt_update_pmtu((struct rtable *)xfrm_dst_path(&rt->dst), &fl4, mtu); in ipv4_sk_update_pmtu()
1158 if (!dst_check(&rt->dst, 0)) { in ipv4_sk_update_pmtu()
1160 dst_release(&rt->dst); in ipv4_sk_update_pmtu()
1162 rt = ip_route_output_flow(sock_net(sk), &fl4, sk); in ipv4_sk_update_pmtu()
1163 if (IS_ERR(rt)) in ipv4_sk_update_pmtu()
1170 sk_dst_set(sk, &rt->dst); in ipv4_sk_update_pmtu()
1183 struct rtable *rt; in ipv4_redirect() local
1187 rt = __ip_route_output_key(net, &fl4); in ipv4_redirect()
1188 if (!IS_ERR(rt)) { in ipv4_redirect()
1189 __ip_do_redirect(rt, skb, &fl4, false); in ipv4_redirect()
1190 ip_rt_put(rt); in ipv4_redirect()
1199 struct rtable *rt; in ipv4_sk_redirect() local
1203 rt = __ip_route_output_key(net, &fl4); in ipv4_sk_redirect()
1204 if (!IS_ERR(rt)) { in ipv4_sk_redirect()
1205 __ip_do_redirect(rt, skb, &fl4, false); in ipv4_sk_redirect()
1206 ip_rt_put(rt); in ipv4_sk_redirect()
1213 struct rtable *rt = (struct rtable *) dst; in ipv4_dst_check() local
1223 if (dst->obsolete != DST_OBSOLETE_FORCE_CHK || rt_is_expired(rt)) in ipv4_dst_check()
1258 struct rtable *rt; in ipv4_link_failure() local
1262 rt = skb_rtable(skb); in ipv4_link_failure()
1263 if (rt) in ipv4_link_failure()
1264 dst_set_expires(&rt->dst, 0); in ipv4_link_failure()
1286 void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt) in ip_rt_get_source() argument
1290 if (rt_is_output_route(rt)) in ip_rt_get_source()
1299 .flowi4_oif = rt->dst.dev->ifindex, in ip_rt_get_source()
1305 if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res, 0) == 0) in ip_rt_get_source()
1306 src = fib_result_prefsrc(dev_net(rt->dst.dev), &res); in ip_rt_get_source()
1308 src = inet_select_addr(rt->dst.dev, in ip_rt_get_source()
1309 rt_nexthop(rt, iph->daddr), in ip_rt_get_source()
1317 static void set_class_tag(struct rtable *rt, u32 tag) in set_class_tag() argument
1319 if (!(rt->dst.tclassid & 0xFFFF)) in set_class_tag()
1320 rt->dst.tclassid |= tag & 0xFFFF; in set_class_tag()
1321 if (!(rt->dst.tclassid & 0xFFFF0000)) in set_class_tag()
1322 rt->dst.tclassid |= tag & 0xFFFF0000; in set_class_tag()
1337 const struct rtable *rt = (const struct rtable *)dst; in ipv4_mtu() local
1338 unsigned int mtu = rt->rt_pmtu; in ipv4_mtu()
1340 if (!mtu || time_after_eq(jiffies, rt->dst.expires)) in ipv4_mtu()
1349 if (rt->rt_uses_gateway && mtu > 576) in ipv4_mtu()
1450 static bool rt_bind_exception(struct rtable *rt, struct fib_nh_exception *fnhe, in rt_bind_exception() argument
1460 int genid = fnhe_genid(dev_net(rt->dst.dev)); in rt_bind_exception()
1462 if (rt_is_input_route(rt)) in rt_bind_exception()
1477 fill_route_from_fnhe(rt, fnhe); in rt_bind_exception()
1478 if (!rt->rt_gw4) { in rt_bind_exception()
1479 rt->rt_gw4 = daddr; in rt_bind_exception()
1480 rt->rt_gw_family = AF_INET; in rt_bind_exception()
1484 dst_hold(&rt->dst); in rt_bind_exception()
1485 rcu_assign_pointer(*porig, rt); in rt_bind_exception()
1500 static bool rt_cache_route(struct fib_nh_common *nhc, struct rtable *rt) in rt_cache_route() argument
1505 if (rt_is_input_route(rt)) { in rt_cache_route()
1515 dst_hold(&rt->dst); in rt_cache_route()
1516 prev = cmpxchg(p, orig, rt); in rt_cache_route()
1523 dst_release(&rt->dst); in rt_cache_route()
1537 void rt_add_uncached_list(struct rtable *rt) in rt_add_uncached_list() argument
1541 rt->rt_uncached_list = ul; in rt_add_uncached_list()
1544 list_add_tail(&rt->rt_uncached, &ul->head); in rt_add_uncached_list()
1548 void rt_del_uncached_list(struct rtable *rt) in rt_del_uncached_list() argument
1550 if (!list_empty(&rt->rt_uncached)) { in rt_del_uncached_list()
1551 struct uncached_list *ul = rt->rt_uncached_list; in rt_del_uncached_list()
1554 list_del(&rt->rt_uncached); in rt_del_uncached_list()
1561 struct rtable *rt = (struct rtable *)dst; in ipv4_dst_destroy() local
1564 rt_del_uncached_list(rt); in ipv4_dst_destroy()
1569 struct rtable *rt; in rt_flush_dev() local
1576 list_for_each_entry(rt, &ul->head, rt_uncached) { in rt_flush_dev()
1577 if (rt->dst.dev != dev) in rt_flush_dev()
1579 rt->dst.dev = blackhole_netdev; in rt_flush_dev()
1580 dev_hold(rt->dst.dev); in rt_flush_dev()
1587 static bool rt_cache_valid(const struct rtable *rt) in rt_cache_valid() argument
1589 return rt && in rt_cache_valid()
1590 rt->dst.obsolete == DST_OBSOLETE_FORCE_CHK && in rt_cache_valid()
1591 !rt_is_expired(rt); in rt_cache_valid()
1594 static void rt_set_nexthop(struct rtable *rt, __be32 daddr, in rt_set_nexthop() argument
1606 rt->rt_uses_gateway = 1; in rt_set_nexthop()
1607 rt->rt_gw_family = nhc->nhc_gw_family; in rt_set_nexthop()
1610 rt->rt_gw4 = nhc->nhc_gw.ipv4; in rt_set_nexthop()
1612 rt->rt_gw6 = nhc->nhc_gw.ipv6; in rt_set_nexthop()
1615 ip_dst_init_metrics(&rt->dst, fi->fib_metrics); in rt_set_nexthop()
1622 rt->dst.tclassid = nh->nh_tclassid; in rt_set_nexthop()
1625 rt->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate); in rt_set_nexthop()
1627 cached = rt_bind_exception(rt, fnhe, daddr, do_cache); in rt_set_nexthop()
1629 cached = rt_cache_route(nhc, rt); in rt_set_nexthop()
1636 if (!rt->rt_gw4) { in rt_set_nexthop()
1637 rt->rt_gw_family = AF_INET; in rt_set_nexthop()
1638 rt->rt_gw4 = daddr; in rt_set_nexthop()
1640 rt_add_uncached_list(rt); in rt_set_nexthop()
1643 rt_add_uncached_list(rt); in rt_set_nexthop()
1647 set_class_tag(rt, res->tclassid); in rt_set_nexthop()
1649 set_class_tag(rt, itag); in rt_set_nexthop()
1657 struct rtable *rt; in rt_dst_alloc() local
1659 rt = dst_alloc(&ipv4_dst_ops, dev, 1, DST_OBSOLETE_FORCE_CHK, in rt_dst_alloc()
1663 if (rt) { in rt_dst_alloc()
1664 rt->rt_genid = rt_genid_ipv4(dev_net(dev)); in rt_dst_alloc()
1665 rt->rt_flags = flags; in rt_dst_alloc()
1666 rt->rt_type = type; in rt_dst_alloc()
1667 rt->rt_is_input = 0; in rt_dst_alloc()
1668 rt->rt_iif = 0; in rt_dst_alloc()
1669 rt->rt_pmtu = 0; in rt_dst_alloc()
1670 rt->rt_mtu_locked = 0; in rt_dst_alloc()
1671 rt->rt_uses_gateway = 0; in rt_dst_alloc()
1672 rt->rt_gw_family = 0; in rt_dst_alloc()
1673 rt->rt_gw4 = 0; in rt_dst_alloc()
1674 INIT_LIST_HEAD(&rt->rt_uncached); in rt_dst_alloc()
1676 rt->dst.output = ip_output; in rt_dst_alloc()
1678 rt->dst.input = ip_local_deliver; in rt_dst_alloc()
1681 return rt; in rt_dst_alloc()
1685 struct rtable *rt_dst_clone(struct net_device *dev, struct rtable *rt) in rt_dst_clone() argument
1690 rt->dst.flags); in rt_dst_clone()
1694 new_rt->rt_flags = rt->rt_flags; in rt_dst_clone()
1695 new_rt->rt_type = rt->rt_type; in rt_dst_clone()
1696 new_rt->rt_is_input = rt->rt_is_input; in rt_dst_clone()
1697 new_rt->rt_iif = rt->rt_iif; in rt_dst_clone()
1698 new_rt->rt_pmtu = rt->rt_pmtu; in rt_dst_clone()
1699 new_rt->rt_mtu_locked = rt->rt_mtu_locked; in rt_dst_clone()
1700 new_rt->rt_gw_family = rt->rt_gw_family; in rt_dst_clone()
1701 if (rt->rt_gw_family == AF_INET) in rt_dst_clone()
1702 new_rt->rt_gw4 = rt->rt_gw4; in rt_dst_clone()
1703 else if (rt->rt_gw_family == AF_INET6) in rt_dst_clone()
1704 new_rt->rt_gw6 = rt->rt_gw6; in rt_dst_clone()
1707 new_rt->dst.input = rt->dst.input; in rt_dst_clone()
1708 new_rt->dst.output = rt->dst.output; in rt_dst_clone()
1709 new_rt->dst.error = rt->dst.error; in rt_dst_clone()
1711 new_rt->dst.lwtstate = lwtstate_get(rt->dst.lwtstate); in rt_dst_clone()
2063 struct rtable *rt = skb_rtable(hint); in ip_route_use_hint() local
2077 if (rt->rt_type != RTN_LOCAL) in ip_route_use_hint()
2734 struct rtable *rt; in ipv4_blackhole_route() local
2736 rt = dst_alloc(&ipv4_dst_blackhole_ops, NULL, 1, DST_OBSOLETE_DEAD, 0); in ipv4_blackhole_route()
2737 if (rt) { in ipv4_blackhole_route()
2738 struct dst_entry *new = &rt->dst; in ipv4_blackhole_route()
2748 rt->rt_is_input = ort->rt_is_input; in ipv4_blackhole_route()
2749 rt->rt_iif = ort->rt_iif; in ipv4_blackhole_route()
2750 rt->rt_pmtu = ort->rt_pmtu; in ipv4_blackhole_route()
2751 rt->rt_mtu_locked = ort->rt_mtu_locked; in ipv4_blackhole_route()
2753 rt->rt_genid = rt_genid_ipv4(net); in ipv4_blackhole_route()
2754 rt->rt_flags = ort->rt_flags; in ipv4_blackhole_route()
2755 rt->rt_type = ort->rt_type; in ipv4_blackhole_route()
2756 rt->rt_uses_gateway = ort->rt_uses_gateway; in ipv4_blackhole_route()
2757 rt->rt_gw_family = ort->rt_gw_family; in ipv4_blackhole_route()
2758 if (rt->rt_gw_family == AF_INET) in ipv4_blackhole_route()
2759 rt->rt_gw4 = ort->rt_gw4; in ipv4_blackhole_route()
2760 else if (rt->rt_gw_family == AF_INET6) in ipv4_blackhole_route()
2761 rt->rt_gw6 = ort->rt_gw6; in ipv4_blackhole_route()
2763 INIT_LIST_HEAD(&rt->rt_uncached); in ipv4_blackhole_route()
2768 return rt ? &rt->dst : ERR_PTR(-ENOMEM); in ipv4_blackhole_route()
2774 struct rtable *rt = __ip_route_output_key(net, flp4); in ip_route_output_flow() local
2776 if (IS_ERR(rt)) in ip_route_output_flow()
2777 return rt; in ip_route_output_flow()
2780 flp4->flowi4_oif = rt->dst.dev->ifindex; in ip_route_output_flow()
2781 rt = (struct rtable *)xfrm_lookup_route(net, &rt->dst, in ip_route_output_flow()
2786 return rt; in ip_route_output_flow()
2799 struct rtable *rt = NULL; in ip_route_output_tunnel() local
2806 rt = dst_cache_get_ip4(dst_cache, saddr); in ip_route_output_tunnel()
2807 if (rt) in ip_route_output_tunnel()
2808 return rt; in ip_route_output_tunnel()
2819 rt = ip_route_output_key(net, &fl4); in ip_route_output_tunnel()
2820 if (IS_ERR(rt)) { in ip_route_output_tunnel()
2824 if (rt->dst.dev == dev) { /* is this necessary? */ in ip_route_output_tunnel()
2826 ip_rt_put(rt); in ip_route_output_tunnel()
2831 dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr); in ip_route_output_tunnel()
2834 return rt; in ip_route_output_tunnel()
2840 struct rtable *rt, u32 table_id, struct flowi4 *fl4, in rt_fill_info() argument
2862 r->rtm_type = rt->rt_type; in rt_fill_info()
2865 r->rtm_flags = (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED; in rt_fill_info()
2866 if (rt->rt_flags & RTCF_NOTIFY) in rt_fill_info()
2878 if (rt->dst.dev && in rt_fill_info()
2879 nla_put_u32(skb, RTA_OIF, rt->dst.dev->ifindex)) in rt_fill_info()
2882 if (rt->dst.tclassid && in rt_fill_info()
2883 nla_put_u32(skb, RTA_FLOW, rt->dst.tclassid)) in rt_fill_info()
2886 if (fl4 && !rt_is_input_route(rt) && in rt_fill_info()
2891 if (rt->rt_uses_gateway) { in rt_fill_info()
2892 if (rt->rt_gw_family == AF_INET && in rt_fill_info()
2893 nla_put_in_addr(skb, RTA_GATEWAY, rt->rt_gw4)) { in rt_fill_info()
2895 } else if (rt->rt_gw_family == AF_INET6) { in rt_fill_info()
2906 memcpy(via->rtvia_addr, &rt->rt_gw6, alen); in rt_fill_info()
2910 expires = rt->dst.expires; in rt_fill_info()
2920 memcpy(metrics, dst_metrics_ptr(&rt->dst), sizeof(metrics)); in rt_fill_info()
2921 if (rt->rt_pmtu && expires) in rt_fill_info()
2922 metrics[RTAX_MTU - 1] = rt->rt_pmtu; in rt_fill_info()
2923 if (rt->rt_mtu_locked && expires) in rt_fill_info()
2939 if (rt_is_input_route(rt)) { in rt_fill_info()
2960 error = rt->dst.error; in rt_fill_info()
2962 if (rtnl_put_cacheinfo(skb, &rt->dst, 0, expires, error) < 0) in rt_fill_info()
2985 struct rtable *rt; in fnhe_dump_bucket() local
2998 rt = rcu_dereference(fnhe->fnhe_rth_input); in fnhe_dump_bucket()
2999 if (!rt) in fnhe_dump_bucket()
3000 rt = rcu_dereference(fnhe->fnhe_rth_output); in fnhe_dump_bucket()
3001 if (!rt) in fnhe_dump_bucket()
3004 err = rt_fill_info(net, fnhe->fnhe_daddr, 0, rt, in fnhe_dump_bucket()
3187 struct rtable *rt = NULL; in inet_rtm_getroute() local
3259 rt = skb_rtable(skb); in inet_rtm_getroute()
3260 if (err == 0 && rt->dst.error) in inet_rtm_getroute()
3261 err = -rt->dst.error; in inet_rtm_getroute()
3265 rt = ip_route_output_key_hash_rcu(net, &fl4, &res, skb); in inet_rtm_getroute()
3267 if (IS_ERR(rt)) in inet_rtm_getroute()
3268 err = PTR_ERR(rt); in inet_rtm_getroute()
3270 skb_dst_set(skb, &rt->dst); in inet_rtm_getroute()
3277 rt->rt_flags |= RTCF_NOTIFY; in inet_rtm_getroute()
3302 fri.type = rt->rt_type; in inet_rtm_getroute()
3325 err = rt_fill_info(net, dst, src, rt, table_id, &fl4, skb, in inet_rtm_getroute()