Lines Matching full:rt
436 const struct rtable *rt = container_of(dst, struct rtable, dst); in ipv4_neigh_lookup() local
442 if (likely(rt->rt_gw_family == AF_INET)) { in ipv4_neigh_lookup()
443 n = ip_neigh_gw4(dev, rt->rt_gw4); in ipv4_neigh_lookup()
444 } else if (rt->rt_gw_family == AF_INET6) { in ipv4_neigh_lookup()
445 n = ip_neigh_gw6(dev, &rt->rt_gw6); in ipv4_neigh_lookup()
463 const struct rtable *rt = container_of(dst, struct rtable, dst); in ipv4_confirm_neigh() local
467 if (rt->rt_gw_family == AF_INET) { in ipv4_confirm_neigh()
468 pkey = (const __be32 *)&rt->rt_gw4; in ipv4_confirm_neigh()
469 } else if (rt->rt_gw_family == AF_INET6) { in ipv4_confirm_neigh()
470 return __ipv6_confirm_neigh_stub(dev, &rt->rt_gw6); in ipv4_confirm_neigh()
472 (rt->rt_flags & in ipv4_confirm_neigh()
590 struct rtable *rt; in fnhe_flush_routes() local
592 rt = rcu_dereference(fnhe->fnhe_rth_input); in fnhe_flush_routes()
593 if (rt) { in fnhe_flush_routes()
595 dst_dev_put(&rt->dst); in fnhe_flush_routes()
596 dst_release(&rt->dst); in fnhe_flush_routes()
598 rt = rcu_dereference(fnhe->fnhe_rth_output); in fnhe_flush_routes()
599 if (rt) { in fnhe_flush_routes()
601 dst_dev_put(&rt->dst); in fnhe_flush_routes()
602 dst_release(&rt->dst); in fnhe_flush_routes()
630 static void fill_route_from_fnhe(struct rtable *rt, struct fib_nh_exception *fnhe) in fill_route_from_fnhe() argument
632 rt->rt_pmtu = fnhe->fnhe_pmtu; in fill_route_from_fnhe()
633 rt->rt_mtu_locked = fnhe->fnhe_mtu_locked; in fill_route_from_fnhe()
634 rt->dst.expires = fnhe->fnhe_expires; in fill_route_from_fnhe()
637 rt->rt_flags |= RTCF_REDIRECTED; in fill_route_from_fnhe()
638 rt->rt_uses_gateway = 1; in fill_route_from_fnhe()
639 rt->rt_gw_family = AF_INET; in fill_route_from_fnhe()
640 rt->rt_gw4 = fnhe->fnhe_gw; in fill_route_from_fnhe()
650 struct rtable *rt; in update_or_create_fnhe() local
689 rt = rcu_dereference(fnhe->fnhe_rth_input); in update_or_create_fnhe()
690 if (rt) in update_or_create_fnhe()
691 fill_route_from_fnhe(rt, fnhe); in update_or_create_fnhe()
692 rt = rcu_dereference(fnhe->fnhe_rth_output); in update_or_create_fnhe()
693 if (rt) in update_or_create_fnhe()
694 fill_route_from_fnhe(rt, fnhe); in update_or_create_fnhe()
717 rt = rcu_dereference(nhc->nhc_rth_input); in update_or_create_fnhe()
718 if (rt) in update_or_create_fnhe()
719 rt->dst.obsolete = DST_OBSOLETE_KILL; in update_or_create_fnhe()
724 rt = rcu_dereference(*prt); in update_or_create_fnhe()
725 if (rt) in update_or_create_fnhe()
726 rt->dst.obsolete = DST_OBSOLETE_KILL; in update_or_create_fnhe()
736 static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flowi4 *fl4, in __ip_do_redirect() argument
758 if (rt->rt_gw_family != AF_INET || rt->rt_gw4 != old_gw) in __ip_do_redirect()
781 n = __ipv4_neigh_lookup(rt->dst.dev, new_gw); in __ip_do_redirect()
783 n = neigh_create(&arp_tbl, &new_gw, rt->dst.dev); in __ip_do_redirect()
798 rt->dst.obsolete = DST_OBSOLETE_KILL; in __ip_do_redirect()
823 struct rtable *rt; in ip_do_redirect() local
832 rt = (struct rtable *) dst; in ip_do_redirect()
835 __ip_do_redirect(rt, skb, &fl4, true); in ip_do_redirect()
840 struct rtable *rt = (struct rtable *)dst; in ipv4_negative_advice() local
843 if (rt) { in ipv4_negative_advice()
845 ip_rt_put(rt); in ipv4_negative_advice()
847 } else if ((rt->rt_flags & RTCF_REDIRECTED) || in ipv4_negative_advice()
848 rt->dst.expires) { in ipv4_negative_advice()
849 ip_rt_put(rt); in ipv4_negative_advice()
874 struct rtable *rt = skb_rtable(skb); in ip_rt_send_redirect() local
882 in_dev = __in_dev_get_rcu(rt->dst.dev); in ip_rt_send_redirect()
888 vif = l3mdev_master_ifindex_rcu(rt->dst.dev); in ip_rt_send_redirect()
891 net = dev_net(rt->dst.dev); in ip_rt_send_redirect()
895 rt_nexthop(rt, ip_hdr(skb)->daddr)); in ip_rt_send_redirect()
922 __be32 gw = rt_nexthop(rt, ip_hdr(skb)->daddr); in ip_rt_send_redirect()
941 struct rtable *rt = skb_rtable(skb); in ip_error() local
962 net = dev_net(rt->dst.dev); in ip_error()
964 switch (rt->dst.error) { in ip_error()
976 switch (rt->dst.error) { in ip_error()
1015 static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) in __ip_rt_update_pmtu() argument
1017 struct dst_entry *dst = &rt->dst; in __ip_rt_update_pmtu()
1035 if (rt->rt_pmtu == mtu && !lock && in __ip_rt_update_pmtu()
1055 struct rtable *rt = (struct rtable *) dst; in ip_rt_update_pmtu() local
1064 __ip_rt_update_pmtu(rt, &fl4, mtu); in ip_rt_update_pmtu()
1072 struct rtable *rt; in ipv4_update_pmtu() local
1077 rt = __ip_route_output_key(net, &fl4); in ipv4_update_pmtu()
1078 if (!IS_ERR(rt)) { in ipv4_update_pmtu()
1079 __ip_rt_update_pmtu(rt, &fl4, mtu); in ipv4_update_pmtu()
1080 ip_rt_put(rt); in ipv4_update_pmtu()
1089 struct rtable *rt; in __ipv4_sk_update_pmtu() local
1096 rt = __ip_route_output_key(sock_net(sk), &fl4); in __ipv4_sk_update_pmtu()
1097 if (!IS_ERR(rt)) { in __ipv4_sk_update_pmtu()
1098 __ip_rt_update_pmtu(rt, &fl4, mtu); in __ipv4_sk_update_pmtu()
1099 ip_rt_put(rt); in __ipv4_sk_update_pmtu()
1107 struct rtable *rt; in ipv4_sk_update_pmtu() local
1126 rt = (struct rtable *)odst; in ipv4_sk_update_pmtu()
1128 rt = ip_route_output_flow(sock_net(sk), &fl4, sk); in ipv4_sk_update_pmtu()
1129 if (IS_ERR(rt)) in ipv4_sk_update_pmtu()
1135 __ip_rt_update_pmtu((struct rtable *)xfrm_dst_path(&rt->dst), &fl4, mtu); in ipv4_sk_update_pmtu()
1137 if (!dst_check(&rt->dst, 0)) { in ipv4_sk_update_pmtu()
1139 dst_release(&rt->dst); in ipv4_sk_update_pmtu()
1141 rt = ip_route_output_flow(sock_net(sk), &fl4, sk); in ipv4_sk_update_pmtu()
1142 if (IS_ERR(rt)) in ipv4_sk_update_pmtu()
1149 sk_dst_set(sk, &rt->dst); in ipv4_sk_update_pmtu()
1162 struct rtable *rt; in ipv4_redirect() local
1166 rt = __ip_route_output_key(net, &fl4); in ipv4_redirect()
1167 if (!IS_ERR(rt)) { in ipv4_redirect()
1168 __ip_do_redirect(rt, skb, &fl4, false); in ipv4_redirect()
1169 ip_rt_put(rt); in ipv4_redirect()
1178 struct rtable *rt; in ipv4_sk_redirect() local
1182 rt = __ip_route_output_key(net, &fl4); in ipv4_sk_redirect()
1183 if (!IS_ERR(rt)) { in ipv4_sk_redirect()
1184 __ip_do_redirect(rt, skb, &fl4, false); in ipv4_sk_redirect()
1185 ip_rt_put(rt); in ipv4_sk_redirect()
1192 struct rtable *rt = (struct rtable *) dst; in ipv4_dst_check() local
1202 if (dst->obsolete != DST_OBSOLETE_FORCE_CHK || rt_is_expired(rt)) in ipv4_dst_check()
1237 struct rtable *rt; in ipv4_link_failure() local
1241 rt = skb_rtable(skb); in ipv4_link_failure()
1242 if (rt) in ipv4_link_failure()
1243 dst_set_expires(&rt->dst, 0); in ipv4_link_failure()
1265 void ip_rt_get_source(u8 *addr, struct sk_buff *skb, struct rtable *rt) in ip_rt_get_source() argument
1269 if (rt_is_output_route(rt)) in ip_rt_get_source()
1278 .flowi4_oif = rt->dst.dev->ifindex, in ip_rt_get_source()
1284 if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res, 0) == 0) in ip_rt_get_source()
1285 src = fib_result_prefsrc(dev_net(rt->dst.dev), &res); in ip_rt_get_source()
1287 src = inet_select_addr(rt->dst.dev, in ip_rt_get_source()
1288 rt_nexthop(rt, iph->daddr), in ip_rt_get_source()
1296 static void set_class_tag(struct rtable *rt, u32 tag) in set_class_tag() argument
1298 if (!(rt->dst.tclassid & 0xFFFF)) in set_class_tag()
1299 rt->dst.tclassid |= tag & 0xFFFF; in set_class_tag()
1300 if (!(rt->dst.tclassid & 0xFFFF0000)) in set_class_tag()
1301 rt->dst.tclassid |= tag & 0xFFFF0000; in set_class_tag()
1316 const struct rtable *rt = (const struct rtable *)dst; in ipv4_mtu() local
1317 unsigned int mtu = rt->rt_pmtu; in ipv4_mtu()
1319 if (!mtu || time_after_eq(jiffies, rt->dst.expires)) in ipv4_mtu()
1328 if (rt->rt_uses_gateway && mtu > 576) in ipv4_mtu()
1428 static bool rt_bind_exception(struct rtable *rt, struct fib_nh_exception *fnhe, in rt_bind_exception() argument
1438 int genid = fnhe_genid(dev_net(rt->dst.dev)); in rt_bind_exception()
1440 if (rt_is_input_route(rt)) in rt_bind_exception()
1455 fill_route_from_fnhe(rt, fnhe); in rt_bind_exception()
1456 if (!rt->rt_gw4) { in rt_bind_exception()
1457 rt->rt_gw4 = daddr; in rt_bind_exception()
1458 rt->rt_gw_family = AF_INET; in rt_bind_exception()
1462 dst_hold(&rt->dst); in rt_bind_exception()
1463 rcu_assign_pointer(*porig, rt); in rt_bind_exception()
1478 static bool rt_cache_route(struct fib_nh_common *nhc, struct rtable *rt) in rt_cache_route() argument
1483 if (rt_is_input_route(rt)) { in rt_cache_route()
1493 dst_hold(&rt->dst); in rt_cache_route()
1494 prev = cmpxchg(p, orig, rt); in rt_cache_route()
1501 dst_release(&rt->dst); in rt_cache_route()
1515 void rt_add_uncached_list(struct rtable *rt) in rt_add_uncached_list() argument
1519 rt->rt_uncached_list = ul; in rt_add_uncached_list()
1522 list_add_tail(&rt->rt_uncached, &ul->head); in rt_add_uncached_list()
1526 void rt_del_uncached_list(struct rtable *rt) in rt_del_uncached_list() argument
1528 if (!list_empty(&rt->rt_uncached)) { in rt_del_uncached_list()
1529 struct uncached_list *ul = rt->rt_uncached_list; in rt_del_uncached_list()
1532 list_del(&rt->rt_uncached); in rt_del_uncached_list()
1539 struct rtable *rt = (struct rtable *)dst; in ipv4_dst_destroy() local
1542 rt_del_uncached_list(rt); in ipv4_dst_destroy()
1547 struct rtable *rt; in rt_flush_dev() local
1554 list_for_each_entry(rt, &ul->head, rt_uncached) { in rt_flush_dev()
1555 if (rt->dst.dev != dev) in rt_flush_dev()
1557 rt->dst.dev = blackhole_netdev; in rt_flush_dev()
1558 dev_hold(rt->dst.dev); in rt_flush_dev()
1565 static bool rt_cache_valid(const struct rtable *rt) in rt_cache_valid() argument
1567 return rt && in rt_cache_valid()
1568 rt->dst.obsolete == DST_OBSOLETE_FORCE_CHK && in rt_cache_valid()
1569 !rt_is_expired(rt); in rt_cache_valid()
1572 static void rt_set_nexthop(struct rtable *rt, __be32 daddr, in rt_set_nexthop() argument
1584 rt->rt_uses_gateway = 1; in rt_set_nexthop()
1585 rt->rt_gw_family = nhc->nhc_gw_family; in rt_set_nexthop()
1588 rt->rt_gw4 = nhc->nhc_gw.ipv4; in rt_set_nexthop()
1590 rt->rt_gw6 = nhc->nhc_gw.ipv6; in rt_set_nexthop()
1593 ip_dst_init_metrics(&rt->dst, fi->fib_metrics); in rt_set_nexthop()
1600 rt->dst.tclassid = nh->nh_tclassid; in rt_set_nexthop()
1603 rt->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate); in rt_set_nexthop()
1605 cached = rt_bind_exception(rt, fnhe, daddr, do_cache); in rt_set_nexthop()
1607 cached = rt_cache_route(nhc, rt); in rt_set_nexthop()
1614 if (!rt->rt_gw4) { in rt_set_nexthop()
1615 rt->rt_gw_family = AF_INET; in rt_set_nexthop()
1616 rt->rt_gw4 = daddr; in rt_set_nexthop()
1618 rt_add_uncached_list(rt); in rt_set_nexthop()
1621 rt_add_uncached_list(rt); in rt_set_nexthop()
1625 set_class_tag(rt, res->tclassid); in rt_set_nexthop()
1627 set_class_tag(rt, itag); in rt_set_nexthop()
1635 struct rtable *rt; in rt_dst_alloc() local
1637 rt = dst_alloc(&ipv4_dst_ops, dev, 1, DST_OBSOLETE_FORCE_CHK, in rt_dst_alloc()
1641 if (rt) { in rt_dst_alloc()
1642 rt->rt_genid = rt_genid_ipv4(dev_net(dev)); in rt_dst_alloc()
1643 rt->rt_flags = flags; in rt_dst_alloc()
1644 rt->rt_type = type; in rt_dst_alloc()
1645 rt->rt_is_input = 0; in rt_dst_alloc()
1646 rt->rt_iif = 0; in rt_dst_alloc()
1647 rt->rt_pmtu = 0; in rt_dst_alloc()
1648 rt->rt_mtu_locked = 0; in rt_dst_alloc()
1649 rt->rt_uses_gateway = 0; in rt_dst_alloc()
1650 rt->rt_gw_family = 0; in rt_dst_alloc()
1651 rt->rt_gw4 = 0; in rt_dst_alloc()
1652 INIT_LIST_HEAD(&rt->rt_uncached); in rt_dst_alloc()
1654 rt->dst.output = ip_output; in rt_dst_alloc()
1656 rt->dst.input = ip_local_deliver; in rt_dst_alloc()
1659 return rt; in rt_dst_alloc()
1663 struct rtable *rt_dst_clone(struct net_device *dev, struct rtable *rt) in rt_dst_clone() argument
1668 rt->dst.flags); in rt_dst_clone()
1672 new_rt->rt_flags = rt->rt_flags; in rt_dst_clone()
1673 new_rt->rt_type = rt->rt_type; in rt_dst_clone()
1674 new_rt->rt_is_input = rt->rt_is_input; in rt_dst_clone()
1675 new_rt->rt_iif = rt->rt_iif; in rt_dst_clone()
1676 new_rt->rt_pmtu = rt->rt_pmtu; in rt_dst_clone()
1677 new_rt->rt_mtu_locked = rt->rt_mtu_locked; in rt_dst_clone()
1678 new_rt->rt_gw_family = rt->rt_gw_family; in rt_dst_clone()
1679 if (rt->rt_gw_family == AF_INET) in rt_dst_clone()
1680 new_rt->rt_gw4 = rt->rt_gw4; in rt_dst_clone()
1681 else if (rt->rt_gw_family == AF_INET6) in rt_dst_clone()
1682 new_rt->rt_gw6 = rt->rt_gw6; in rt_dst_clone()
1685 new_rt->dst.input = rt->dst.input; in rt_dst_clone()
1686 new_rt->dst.output = rt->dst.output; in rt_dst_clone()
1687 new_rt->dst.error = rt->dst.error; in rt_dst_clone()
1689 new_rt->dst.lwtstate = lwtstate_get(rt->dst.lwtstate); in rt_dst_clone()
2041 struct rtable *rt = skb_rtable(hint); in ip_route_use_hint() local
2055 if (rt->rt_type != RTN_LOCAL) in ip_route_use_hint()
2728 struct rtable *rt; in ipv4_blackhole_route() local
2730 rt = dst_alloc(&ipv4_dst_blackhole_ops, NULL, 1, DST_OBSOLETE_DEAD, 0); in ipv4_blackhole_route()
2731 if (rt) { in ipv4_blackhole_route()
2732 struct dst_entry *new = &rt->dst; in ipv4_blackhole_route()
2742 rt->rt_is_input = ort->rt_is_input; in ipv4_blackhole_route()
2743 rt->rt_iif = ort->rt_iif; in ipv4_blackhole_route()
2744 rt->rt_pmtu = ort->rt_pmtu; in ipv4_blackhole_route()
2745 rt->rt_mtu_locked = ort->rt_mtu_locked; in ipv4_blackhole_route()
2747 rt->rt_genid = rt_genid_ipv4(net); in ipv4_blackhole_route()
2748 rt->rt_flags = ort->rt_flags; in ipv4_blackhole_route()
2749 rt->rt_type = ort->rt_type; in ipv4_blackhole_route()
2750 rt->rt_uses_gateway = ort->rt_uses_gateway; in ipv4_blackhole_route()
2751 rt->rt_gw_family = ort->rt_gw_family; in ipv4_blackhole_route()
2752 if (rt->rt_gw_family == AF_INET) in ipv4_blackhole_route()
2753 rt->rt_gw4 = ort->rt_gw4; in ipv4_blackhole_route()
2754 else if (rt->rt_gw_family == AF_INET6) in ipv4_blackhole_route()
2755 rt->rt_gw6 = ort->rt_gw6; in ipv4_blackhole_route()
2757 INIT_LIST_HEAD(&rt->rt_uncached); in ipv4_blackhole_route()
2762 return rt ? &rt->dst : ERR_PTR(-ENOMEM); in ipv4_blackhole_route()
2768 struct rtable *rt = __ip_route_output_key(net, flp4); in ip_route_output_flow() local
2770 if (IS_ERR(rt)) in ip_route_output_flow()
2771 return rt; in ip_route_output_flow()
2774 flp4->flowi4_oif = rt->dst.dev->ifindex; in ip_route_output_flow()
2775 rt = (struct rtable *)xfrm_lookup_route(net, &rt->dst, in ip_route_output_flow()
2780 return rt; in ip_route_output_flow()
2793 struct rtable *rt = NULL; in ip_route_output_tunnel() local
2800 rt = dst_cache_get_ip4(dst_cache, saddr); in ip_route_output_tunnel()
2801 if (rt) in ip_route_output_tunnel()
2802 return rt; in ip_route_output_tunnel()
2813 rt = ip_route_output_key(net, &fl4); in ip_route_output_tunnel()
2814 if (IS_ERR(rt)) { in ip_route_output_tunnel()
2818 if (rt->dst.dev == dev) { /* is this necessary? */ in ip_route_output_tunnel()
2820 ip_rt_put(rt); in ip_route_output_tunnel()
2825 dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr); in ip_route_output_tunnel()
2828 return rt; in ip_route_output_tunnel()
2834 struct rtable *rt, u32 table_id, struct flowi4 *fl4, in rt_fill_info() argument
2856 r->rtm_type = rt->rt_type; in rt_fill_info()
2859 r->rtm_flags = (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED; in rt_fill_info()
2860 if (rt->rt_flags & RTCF_NOTIFY) in rt_fill_info()
2872 if (rt->dst.dev && in rt_fill_info()
2873 nla_put_u32(skb, RTA_OIF, rt->dst.dev->ifindex)) in rt_fill_info()
2876 if (rt->dst.tclassid && in rt_fill_info()
2877 nla_put_u32(skb, RTA_FLOW, rt->dst.tclassid)) in rt_fill_info()
2880 if (fl4 && !rt_is_input_route(rt) && in rt_fill_info()
2885 if (rt->rt_uses_gateway) { in rt_fill_info()
2886 if (rt->rt_gw_family == AF_INET && in rt_fill_info()
2887 nla_put_in_addr(skb, RTA_GATEWAY, rt->rt_gw4)) { in rt_fill_info()
2889 } else if (rt->rt_gw_family == AF_INET6) { in rt_fill_info()
2900 memcpy(via->rtvia_addr, &rt->rt_gw6, alen); in rt_fill_info()
2904 expires = rt->dst.expires; in rt_fill_info()
2914 memcpy(metrics, dst_metrics_ptr(&rt->dst), sizeof(metrics)); in rt_fill_info()
2915 if (rt->rt_pmtu && expires) in rt_fill_info()
2916 metrics[RTAX_MTU - 1] = rt->rt_pmtu; in rt_fill_info()
2917 if (rt->rt_mtu_locked && expires) in rt_fill_info()
2933 if (rt_is_input_route(rt)) { in rt_fill_info()
2954 error = rt->dst.error; in rt_fill_info()
2956 if (rtnl_put_cacheinfo(skb, &rt->dst, 0, expires, error) < 0) in rt_fill_info()
2979 struct rtable *rt; in fnhe_dump_bucket() local
2992 rt = rcu_dereference(fnhe->fnhe_rth_input); in fnhe_dump_bucket()
2993 if (!rt) in fnhe_dump_bucket()
2994 rt = rcu_dereference(fnhe->fnhe_rth_output); in fnhe_dump_bucket()
2995 if (!rt) in fnhe_dump_bucket()
2998 err = rt_fill_info(net, fnhe->fnhe_daddr, 0, rt, in fnhe_dump_bucket()
3181 struct rtable *rt = NULL; in inet_rtm_getroute() local
3253 rt = skb_rtable(skb); in inet_rtm_getroute()
3254 if (err == 0 && rt->dst.error) in inet_rtm_getroute()
3255 err = -rt->dst.error; in inet_rtm_getroute()
3259 rt = ip_route_output_key_hash_rcu(net, &fl4, &res, skb); in inet_rtm_getroute()
3261 if (IS_ERR(rt)) in inet_rtm_getroute()
3262 err = PTR_ERR(rt); in inet_rtm_getroute()
3264 skb_dst_set(skb, &rt->dst); in inet_rtm_getroute()
3271 rt->rt_flags |= RTCF_NOTIFY; in inet_rtm_getroute()
3296 fri.type = rt->rt_type; in inet_rtm_getroute()
3319 err = rt_fill_info(net, dst, src, rt, table_id, &fl4, skb, in inet_rtm_getroute()