Lines Matching refs:fl4
532 static void ip_rt_fix_tos(struct flowi4 *fl4) in ip_rt_fix_tos() argument
534 __u8 tos = RT_FL_TOS(fl4); in ip_rt_fix_tos()
536 fl4->flowi4_tos = tos & IPTOS_RT_MASK; in ip_rt_fix_tos()
537 fl4->flowi4_scope = tos & RTO_ONLINK ? in ip_rt_fix_tos()
541 static void __build_flow_key(const struct net *net, struct flowi4 *fl4, in __build_flow_key() argument
555 flowi4_init_output(fl4, oif, mark, tos, in __build_flow_key()
562 static void build_skb_flow_key(struct flowi4 *fl4, const struct sk_buff *skb, in build_skb_flow_key() argument
572 __build_flow_key(net, fl4, sk, iph, oif, tos, prot, mark, 0); in build_skb_flow_key()
575 static void build_sk_flow_key(struct flowi4 *fl4, const struct sock *sk) in build_sk_flow_key() argument
585 flowi4_init_output(fl4, sk->sk_bound_dev_if, sk->sk_mark, in build_sk_flow_key()
593 static void ip_rt_build_flow_key(struct flowi4 *fl4, const struct sock *sk, in ip_rt_build_flow_key() argument
597 build_skb_flow_key(fl4, skb, sk); in ip_rt_build_flow_key()
599 build_sk_flow_key(fl4, sk); in ip_rt_build_flow_key()
766 static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flowi4 *fl4, in __ip_do_redirect() argument
818 if (fib_lookup(net, fl4, &res, 0) == 0) { in __ip_do_redirect()
821 fib_select_path(net, &res, fl4, skb); in __ip_do_redirect()
823 update_or_create_fnhe(nhc, fl4->daddr, new_gw, in __ip_do_redirect()
854 struct flowi4 fl4; in ip_do_redirect() local
864 __build_flow_key(net, &fl4, sk, iph, oif, tos, prot, mark, 0); in ip_do_redirect()
865 ip_rt_fix_tos(&fl4); in ip_do_redirect()
866 __ip_do_redirect(rt, skb, &fl4, true); in ip_do_redirect()
1046 static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) in __ip_rt_update_pmtu() argument
1071 if (fib_lookup(net, fl4, &res, 0) == 0) { in __ip_rt_update_pmtu()
1074 fib_select_path(net, &res, fl4, NULL); in __ip_rt_update_pmtu()
1076 update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock, in __ip_rt_update_pmtu()
1087 struct flowi4 fl4; in ip_rt_update_pmtu() local
1089 ip_rt_build_flow_key(&fl4, sk, skb); in ip_rt_update_pmtu()
1090 ip_rt_fix_tos(&fl4); in ip_rt_update_pmtu()
1094 fl4.flowi4_oif = 0; in ip_rt_update_pmtu()
1096 __ip_rt_update_pmtu(rt, &fl4, mtu); in ip_rt_update_pmtu()
1103 struct flowi4 fl4; in ipv4_update_pmtu() local
1107 __build_flow_key(net, &fl4, NULL, iph, oif, in ipv4_update_pmtu()
1109 rt = __ip_route_output_key(net, &fl4); in ipv4_update_pmtu()
1111 __ip_rt_update_pmtu(rt, &fl4, mtu); in ipv4_update_pmtu()
1120 struct flowi4 fl4; in __ipv4_sk_update_pmtu() local
1123 __build_flow_key(sock_net(sk), &fl4, sk, iph, 0, 0, 0, 0, 0); in __ipv4_sk_update_pmtu()
1125 if (!fl4.flowi4_mark) in __ipv4_sk_update_pmtu()
1126 fl4.flowi4_mark = IP4_REPLY_MARK(sock_net(sk), skb->mark); in __ipv4_sk_update_pmtu()
1128 rt = __ip_route_output_key(sock_net(sk), &fl4); in __ipv4_sk_update_pmtu()
1130 __ip_rt_update_pmtu(rt, &fl4, mtu); in __ipv4_sk_update_pmtu()
1138 struct flowi4 fl4; in ipv4_sk_update_pmtu() local
1156 __build_flow_key(net, &fl4, sk, iph, 0, 0, 0, 0, 0); in ipv4_sk_update_pmtu()
1160 rt = ip_route_output_flow(sock_net(sk), &fl4, sk); in ipv4_sk_update_pmtu()
1166 ip_rt_fix_tos(&fl4); in ipv4_sk_update_pmtu()
1169 __ip_rt_update_pmtu((struct rtable *)xfrm_dst_path(&rt->dst), &fl4, mtu); in ipv4_sk_update_pmtu()
1175 rt = ip_route_output_flow(sock_net(sk), &fl4, sk); in ipv4_sk_update_pmtu()
1195 struct flowi4 fl4; in ipv4_redirect() local
1198 __build_flow_key(net, &fl4, NULL, iph, oif, in ipv4_redirect()
1200 rt = __ip_route_output_key(net, &fl4); in ipv4_redirect()
1202 __ip_do_redirect(rt, skb, &fl4, false); in ipv4_redirect()
1211 struct flowi4 fl4; in ipv4_sk_redirect() local
1215 __build_flow_key(net, &fl4, sk, iph, 0, 0, 0, 0, 0); in ipv4_sk_redirect()
1216 rt = __ip_route_output_key(net, &fl4); in ipv4_sk_redirect()
1218 __ip_do_redirect(rt, skb, &fl4, false); in ipv4_sk_redirect()
1308 struct flowi4 fl4 = { in ip_rt_get_source() local
1318 if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res, 0) == 0) in ip_rt_get_source()
1959 int fib_multipath_hash(const struct net *net, const struct flowi4 *fl4, in fib_multipath_hash() argument
1962 u32 multipath_hash = fl4 ? fl4->flowi4_multipath_hash : 0; in fib_multipath_hash()
1973 hash_keys.addrs.v4addrs.src = fl4->saddr; in fib_multipath_hash()
1974 hash_keys.addrs.v4addrs.dst = fl4->daddr; in fib_multipath_hash()
2003 hash_keys.addrs.v4addrs.src = fl4->saddr; in fib_multipath_hash()
2004 hash_keys.addrs.v4addrs.dst = fl4->daddr; in fib_multipath_hash()
2005 hash_keys.ports.src = fl4->fl4_sport; in fib_multipath_hash()
2006 hash_keys.ports.dst = fl4->fl4_dport; in fib_multipath_hash()
2007 hash_keys.basic.ip_proto = fl4->flowi4_proto; in fib_multipath_hash()
2036 hash_keys.addrs.v4addrs.src = fl4->saddr; in fib_multipath_hash()
2037 hash_keys.addrs.v4addrs.dst = fl4->daddr; in fib_multipath_hash()
2146 struct flowi4 fl4; in ip_route_input_slow() local
2160 fl4.flowi4_tun_key.tun_id = tun_info->key.tun_id; in ip_route_input_slow()
2162 fl4.flowi4_tun_key.tun_id = 0; in ip_route_input_slow()
2196 fl4.flowi4_oif = 0; in ip_route_input_slow()
2197 fl4.flowi4_iif = dev->ifindex; in ip_route_input_slow()
2198 fl4.flowi4_mark = skb->mark; in ip_route_input_slow()
2199 fl4.flowi4_tos = tos; in ip_route_input_slow()
2200 fl4.flowi4_scope = RT_SCOPE_UNIVERSE; in ip_route_input_slow()
2201 fl4.flowi4_flags = 0; in ip_route_input_slow()
2202 fl4.daddr = daddr; in ip_route_input_slow()
2203 fl4.saddr = saddr; in ip_route_input_slow()
2204 fl4.flowi4_uid = sock_net_uid(net, NULL); in ip_route_input_slow()
2205 fl4.flowi4_multipath_hash = 0; in ip_route_input_slow()
2207 if (fib4_rules_early_flow_dissect(net, skb, &fl4, &_flkeys)) { in ip_route_input_slow()
2210 fl4.flowi4_proto = 0; in ip_route_input_slow()
2211 fl4.fl4_sport = 0; in ip_route_input_slow()
2212 fl4.fl4_dport = 0; in ip_route_input_slow()
2215 err = fib_lookup(net, &fl4, res, 0); in ip_route_input_slow()
2412 const struct flowi4 *fl4, int orig_oif, in __mkroute_output() argument
2428 if (ipv4_is_loopback(fl4->saddr) && in __mkroute_output()
2433 if (ipv4_is_lbcast(fl4->daddr)) in __mkroute_output()
2435 else if (ipv4_is_multicast(fl4->daddr)) in __mkroute_output()
2437 else if (ipv4_is_zeronet(fl4->daddr)) in __mkroute_output()
2449 if (!ip_check_mc_rcu(in_dev, fl4->daddr, fl4->saddr, in __mkroute_output()
2450 fl4->flowi4_proto)) in __mkroute_output()
2480 fnhe = find_exception(nhc, fl4->daddr); in __mkroute_output()
2486 if (unlikely(fl4->flowi4_flags & in __mkroute_output()
2520 !ipv4_is_local_multicast(fl4->daddr)) { in __mkroute_output()
2528 rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache); in __mkroute_output()
2538 struct rtable *ip_route_output_key_hash(struct net *net, struct flowi4 *fl4, in ip_route_output_key_hash() argument
2549 fl4->flowi4_iif = LOOPBACK_IFINDEX; in ip_route_output_key_hash()
2550 ip_rt_fix_tos(fl4); in ip_route_output_key_hash()
2553 rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb); in ip_route_output_key_hash()
2560 struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, in ip_route_output_key_hash_rcu() argument
2565 int orig_oif = fl4->flowi4_oif; in ip_route_output_key_hash_rcu()
2570 if (fl4->saddr) { in ip_route_output_key_hash_rcu()
2571 if (ipv4_is_multicast(fl4->saddr) || in ip_route_output_key_hash_rcu()
2572 ipv4_is_lbcast(fl4->saddr) || in ip_route_output_key_hash_rcu()
2573 ipv4_is_zeronet(fl4->saddr)) { in ip_route_output_key_hash_rcu()
2588 if (fl4->flowi4_oif == 0 && in ip_route_output_key_hash_rcu()
2589 (ipv4_is_multicast(fl4->daddr) || in ip_route_output_key_hash_rcu()
2590 ipv4_is_lbcast(fl4->daddr))) { in ip_route_output_key_hash_rcu()
2592 dev_out = __ip_dev_find(net, fl4->saddr, false); in ip_route_output_key_hash_rcu()
2611 fl4->flowi4_oif = dev_out->ifindex; in ip_route_output_key_hash_rcu()
2615 if (!(fl4->flowi4_flags & FLOWI_FLAG_ANYSRC)) { in ip_route_output_key_hash_rcu()
2617 if (!__ip_dev_find(net, fl4->saddr, false)) in ip_route_output_key_hash_rcu()
2623 if (fl4->flowi4_oif) { in ip_route_output_key_hash_rcu()
2624 dev_out = dev_get_by_index_rcu(net, fl4->flowi4_oif); in ip_route_output_key_hash_rcu()
2634 if (ipv4_is_local_multicast(fl4->daddr) || in ip_route_output_key_hash_rcu()
2635 ipv4_is_lbcast(fl4->daddr) || in ip_route_output_key_hash_rcu()
2636 fl4->flowi4_proto == IPPROTO_IGMP) { in ip_route_output_key_hash_rcu()
2637 if (!fl4->saddr) in ip_route_output_key_hash_rcu()
2638 fl4->saddr = inet_select_addr(dev_out, 0, in ip_route_output_key_hash_rcu()
2642 if (!fl4->saddr) { in ip_route_output_key_hash_rcu()
2643 if (ipv4_is_multicast(fl4->daddr)) in ip_route_output_key_hash_rcu()
2644 fl4->saddr = inet_select_addr(dev_out, 0, in ip_route_output_key_hash_rcu()
2645 fl4->flowi4_scope); in ip_route_output_key_hash_rcu()
2646 else if (!fl4->daddr) in ip_route_output_key_hash_rcu()
2647 fl4->saddr = inet_select_addr(dev_out, 0, in ip_route_output_key_hash_rcu()
2652 if (!fl4->daddr) { in ip_route_output_key_hash_rcu()
2653 fl4->daddr = fl4->saddr; in ip_route_output_key_hash_rcu()
2654 if (!fl4->daddr) in ip_route_output_key_hash_rcu()
2655 fl4->daddr = fl4->saddr = htonl(INADDR_LOOPBACK); in ip_route_output_key_hash_rcu()
2657 fl4->flowi4_oif = LOOPBACK_IFINDEX; in ip_route_output_key_hash_rcu()
2663 err = fib_lookup(net, fl4, res, 0); in ip_route_output_key_hash_rcu()
2667 if (fl4->flowi4_oif && in ip_route_output_key_hash_rcu()
2668 (ipv4_is_multicast(fl4->daddr) || in ip_route_output_key_hash_rcu()
2669 !netif_index_is_l3_master(net, fl4->flowi4_oif))) { in ip_route_output_key_hash_rcu()
2688 if (fl4->saddr == 0) in ip_route_output_key_hash_rcu()
2689 fl4->saddr = inet_select_addr(dev_out, 0, in ip_route_output_key_hash_rcu()
2699 if (!fl4->saddr) { in ip_route_output_key_hash_rcu()
2701 fl4->saddr = res->fi->fib_prefsrc; in ip_route_output_key_hash_rcu()
2703 fl4->saddr = fl4->daddr; in ip_route_output_key_hash_rcu()
2715 fl4->flowi4_oif = dev_out->ifindex; in ip_route_output_key_hash_rcu()
2720 fib_select_path(net, res, fl4, skb); in ip_route_output_key_hash_rcu()
2725 rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags); in ip_route_output_key_hash_rcu()
2811 struct flowi4 fl4; in ip_route_output_tunnel() local
2822 memset(&fl4, 0, sizeof(fl4)); in ip_route_output_tunnel()
2823 fl4.flowi4_mark = skb->mark; in ip_route_output_tunnel()
2824 fl4.flowi4_proto = protocol; in ip_route_output_tunnel()
2825 fl4.daddr = info->key.u.ipv4.dst; in ip_route_output_tunnel()
2826 fl4.saddr = info->key.u.ipv4.src; in ip_route_output_tunnel()
2828 fl4.flowi4_tos = RT_TOS(tos); in ip_route_output_tunnel()
2830 rt = ip_route_output_key(net, &fl4); in ip_route_output_tunnel()
2832 netdev_dbg(dev, "no route to %pI4\n", &fl4.daddr); in ip_route_output_tunnel()
2836 netdev_dbg(dev, "circular route to %pI4\n", &fl4.daddr); in ip_route_output_tunnel()
2842 dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr); in ip_route_output_tunnel()
2844 *saddr = fl4.saddr; in ip_route_output_tunnel()
2851 struct rtable *rt, u32 table_id, struct flowi4 *fl4, in rt_fill_info() argument
2869 r->rtm_tos = fl4 ? fl4->flowi4_tos : 0; in rt_fill_info()
2897 if (fl4 && !rt_is_input_route(rt) && in rt_fill_info()
2898 fl4->saddr != src) { in rt_fill_info()
2899 if (nla_put_in_addr(skb, RTA_PREFSRC, fl4->saddr)) in rt_fill_info()
2939 if (fl4) { in rt_fill_info()
2940 if (fl4->flowi4_mark && in rt_fill_info()
2941 nla_put_u32(skb, RTA_MARK, fl4->flowi4_mark)) in rt_fill_info()
2944 if (!uid_eq(fl4->flowi4_uid, INVALID_UID) && in rt_fill_info()
2947 fl4->flowi4_uid))) in rt_fill_info()
2956 fl4->saddr, fl4->daddr, in rt_fill_info()
2966 if (nla_put_u32(skb, RTA_IIF, fl4->flowi4_iif)) in rt_fill_info()
3201 struct flowi4 fl4 = {}; in inet_rtm_getroute() local
3240 fl4.daddr = dst; in inet_rtm_getroute()
3241 fl4.saddr = src; in inet_rtm_getroute()
3242 fl4.flowi4_tos = rtm->rtm_tos & IPTOS_RT_MASK; in inet_rtm_getroute()
3243 fl4.flowi4_oif = tb[RTA_OIF] ? nla_get_u32(tb[RTA_OIF]) : 0; in inet_rtm_getroute()
3244 fl4.flowi4_mark = mark; in inet_rtm_getroute()
3245 fl4.flowi4_uid = uid; in inet_rtm_getroute()
3247 fl4.fl4_sport = sport; in inet_rtm_getroute()
3249 fl4.fl4_dport = dport; in inet_rtm_getroute()
3250 fl4.flowi4_proto = ip_proto; in inet_rtm_getroute()
3263 fl4.flowi4_iif = iif; /* for rt_fill_info */ in inet_rtm_getroute()
3274 fl4.flowi4_iif = LOOPBACK_IFINDEX; in inet_rtm_getroute()
3276 rt = ip_route_output_key_hash_rcu(net, &fl4, &res, skb); in inet_rtm_getroute()
3312 fri.tos = fl4.flowi4_tos; in inet_rtm_getroute()
3336 err = rt_fill_info(net, dst, src, rt, table_id, &fl4, skb, in inet_rtm_getroute()