Lines Matching refs:fl4
509 static void ip_rt_fix_tos(struct flowi4 *fl4) in ip_rt_fix_tos() argument
511 __u8 tos = RT_FL_TOS(fl4); in ip_rt_fix_tos()
513 fl4->flowi4_tos = tos & IPTOS_RT_MASK; in ip_rt_fix_tos()
514 fl4->flowi4_scope = tos & RTO_ONLINK ? in ip_rt_fix_tos()
518 static void __build_flow_key(const struct net *net, struct flowi4 *fl4, in __build_flow_key() argument
532 flowi4_init_output(fl4, oif, mark, tos, in __build_flow_key()
539 static void build_skb_flow_key(struct flowi4 *fl4, const struct sk_buff *skb, in build_skb_flow_key() argument
549 __build_flow_key(net, fl4, sk, iph, oif, tos, prot, mark, 0); in build_skb_flow_key()
552 static void build_sk_flow_key(struct flowi4 *fl4, const struct sock *sk) in build_sk_flow_key() argument
562 flowi4_init_output(fl4, sk->sk_bound_dev_if, sk->sk_mark, in build_sk_flow_key()
570 static void ip_rt_build_flow_key(struct flowi4 *fl4, const struct sock *sk, in ip_rt_build_flow_key() argument
574 build_skb_flow_key(fl4, skb, sk); in ip_rt_build_flow_key()
576 build_sk_flow_key(fl4, sk); in ip_rt_build_flow_key()
744 static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flowi4 *fl4, in __ip_do_redirect() argument
796 if (fib_lookup(net, fl4, &res, 0) == 0) { in __ip_do_redirect()
799 fib_select_path(net, &res, fl4, skb); in __ip_do_redirect()
801 update_or_create_fnhe(nhc, fl4->daddr, new_gw, in __ip_do_redirect()
832 struct flowi4 fl4; in ip_do_redirect() local
842 __build_flow_key(net, &fl4, sk, iph, oif, tos, prot, mark, 0); in ip_do_redirect()
843 ip_rt_fix_tos(&fl4); in ip_do_redirect()
844 __ip_do_redirect(rt, skb, &fl4, true); in ip_do_redirect()
1024 static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) in __ip_rt_update_pmtu() argument
1049 if (fib_lookup(net, fl4, &res, 0) == 0) { in __ip_rt_update_pmtu()
1052 fib_select_path(net, &res, fl4, NULL); in __ip_rt_update_pmtu()
1054 update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock, in __ip_rt_update_pmtu()
1065 struct flowi4 fl4; in ip_rt_update_pmtu() local
1067 ip_rt_build_flow_key(&fl4, sk, skb); in ip_rt_update_pmtu()
1068 ip_rt_fix_tos(&fl4); in ip_rt_update_pmtu()
1072 fl4.flowi4_oif = 0; in ip_rt_update_pmtu()
1074 __ip_rt_update_pmtu(rt, &fl4, mtu); in ip_rt_update_pmtu()
1081 struct flowi4 fl4; in ipv4_update_pmtu() local
1085 __build_flow_key(net, &fl4, NULL, iph, oif, in ipv4_update_pmtu()
1087 rt = __ip_route_output_key(net, &fl4); in ipv4_update_pmtu()
1089 __ip_rt_update_pmtu(rt, &fl4, mtu); in ipv4_update_pmtu()
1098 struct flowi4 fl4; in __ipv4_sk_update_pmtu() local
1101 __build_flow_key(sock_net(sk), &fl4, sk, iph, 0, 0, 0, 0, 0); in __ipv4_sk_update_pmtu()
1103 if (!fl4.flowi4_mark) in __ipv4_sk_update_pmtu()
1104 fl4.flowi4_mark = IP4_REPLY_MARK(sock_net(sk), skb->mark); in __ipv4_sk_update_pmtu()
1106 rt = __ip_route_output_key(sock_net(sk), &fl4); in __ipv4_sk_update_pmtu()
1108 __ip_rt_update_pmtu(rt, &fl4, mtu); in __ipv4_sk_update_pmtu()
1116 struct flowi4 fl4; in ipv4_sk_update_pmtu() local
1134 __build_flow_key(net, &fl4, sk, iph, 0, 0, 0, 0, 0); in ipv4_sk_update_pmtu()
1138 rt = ip_route_output_flow(sock_net(sk), &fl4, sk); in ipv4_sk_update_pmtu()
1144 ip_rt_fix_tos(&fl4); in ipv4_sk_update_pmtu()
1147 __ip_rt_update_pmtu((struct rtable *)xfrm_dst_path(&rt->dst), &fl4, mtu); in ipv4_sk_update_pmtu()
1153 rt = ip_route_output_flow(sock_net(sk), &fl4, sk); in ipv4_sk_update_pmtu()
1173 struct flowi4 fl4; in ipv4_redirect() local
1176 __build_flow_key(net, &fl4, NULL, iph, oif, in ipv4_redirect()
1178 rt = __ip_route_output_key(net, &fl4); in ipv4_redirect()
1180 __ip_do_redirect(rt, skb, &fl4, false); in ipv4_redirect()
1189 struct flowi4 fl4; in ipv4_sk_redirect() local
1193 __build_flow_key(net, &fl4, sk, iph, 0, 0, 0, 0, 0); in ipv4_sk_redirect()
1194 rt = __ip_route_output_key(net, &fl4); in ipv4_sk_redirect()
1196 __ip_do_redirect(rt, skb, &fl4, false); in ipv4_sk_redirect()
1290 struct flowi4 fl4 = { in ip_rt_get_source() local
1300 if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res, 0) == 0) in ip_rt_get_source()
2021 const struct flowi4 *fl4) in fib_multipath_custom_hash_fl4() argument
2032 hash_keys.addrs.v4addrs.src = fl4->saddr; in fib_multipath_custom_hash_fl4()
2034 hash_keys.addrs.v4addrs.dst = fl4->daddr; in fib_multipath_custom_hash_fl4()
2036 hash_keys.basic.ip_proto = fl4->flowi4_proto; in fib_multipath_custom_hash_fl4()
2038 hash_keys.ports.src = fl4->fl4_sport; in fib_multipath_custom_hash_fl4()
2040 hash_keys.ports.dst = fl4->fl4_dport; in fib_multipath_custom_hash_fl4()
2046 int fib_multipath_hash(const struct net *net, const struct flowi4 *fl4, in fib_multipath_hash() argument
2049 u32 multipath_hash = fl4 ? fl4->flowi4_multipath_hash : 0; in fib_multipath_hash()
2060 hash_keys.addrs.v4addrs.src = fl4->saddr; in fib_multipath_hash()
2061 hash_keys.addrs.v4addrs.dst = fl4->daddr; in fib_multipath_hash()
2091 hash_keys.addrs.v4addrs.src = fl4->saddr; in fib_multipath_hash()
2092 hash_keys.addrs.v4addrs.dst = fl4->daddr; in fib_multipath_hash()
2093 hash_keys.ports.src = fl4->fl4_sport; in fib_multipath_hash()
2094 hash_keys.ports.dst = fl4->fl4_dport; in fib_multipath_hash()
2095 hash_keys.basic.ip_proto = fl4->flowi4_proto; in fib_multipath_hash()
2125 hash_keys.addrs.v4addrs.src = fl4->saddr; in fib_multipath_hash()
2126 hash_keys.addrs.v4addrs.dst = fl4->daddr; in fib_multipath_hash()
2134 mhash = fib_multipath_custom_hash_fl4(net, fl4); in fib_multipath_hash()
2242 struct flowi4 fl4; in ip_route_input_slow() local
2257 fl4.flowi4_tun_key.tun_id = tun_info->key.tun_id; in ip_route_input_slow()
2259 fl4.flowi4_tun_key.tun_id = 0; in ip_route_input_slow()
2293 fl4.flowi4_oif = 0; in ip_route_input_slow()
2294 fl4.flowi4_iif = dev->ifindex; in ip_route_input_slow()
2295 fl4.flowi4_mark = skb->mark; in ip_route_input_slow()
2296 fl4.flowi4_tos = tos; in ip_route_input_slow()
2297 fl4.flowi4_scope = RT_SCOPE_UNIVERSE; in ip_route_input_slow()
2298 fl4.flowi4_flags = 0; in ip_route_input_slow()
2299 fl4.daddr = daddr; in ip_route_input_slow()
2300 fl4.saddr = saddr; in ip_route_input_slow()
2301 fl4.flowi4_uid = sock_net_uid(net, NULL); in ip_route_input_slow()
2302 fl4.flowi4_multipath_hash = 0; in ip_route_input_slow()
2304 if (fib4_rules_early_flow_dissect(net, skb, &fl4, &_flkeys)) { in ip_route_input_slow()
2307 fl4.flowi4_proto = 0; in ip_route_input_slow()
2308 fl4.fl4_sport = 0; in ip_route_input_slow()
2309 fl4.fl4_dport = 0; in ip_route_input_slow()
2312 err = fib_lookup(net, &fl4, res, 0); in ip_route_input_slow()
2513 const struct flowi4 *fl4, int orig_oif, in __mkroute_output() argument
2529 if (ipv4_is_loopback(fl4->saddr) && in __mkroute_output()
2534 if (ipv4_is_lbcast(fl4->daddr)) in __mkroute_output()
2536 else if (ipv4_is_multicast(fl4->daddr)) in __mkroute_output()
2538 else if (ipv4_is_zeronet(fl4->daddr)) in __mkroute_output()
2550 if (!ip_check_mc_rcu(in_dev, fl4->daddr, fl4->saddr, in __mkroute_output()
2551 fl4->flowi4_proto)) in __mkroute_output()
2581 fnhe = find_exception(nhc, fl4->daddr); in __mkroute_output()
2587 if (unlikely(fl4->flowi4_flags & in __mkroute_output()
2621 !ipv4_is_local_multicast(fl4->daddr)) { in __mkroute_output()
2629 rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache); in __mkroute_output()
2639 struct rtable *ip_route_output_key_hash(struct net *net, struct flowi4 *fl4, in ip_route_output_key_hash() argument
2650 fl4->flowi4_iif = LOOPBACK_IFINDEX; in ip_route_output_key_hash()
2651 ip_rt_fix_tos(fl4); in ip_route_output_key_hash()
2654 rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb); in ip_route_output_key_hash()
2661 struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, in ip_route_output_key_hash_rcu() argument
2666 int orig_oif = fl4->flowi4_oif; in ip_route_output_key_hash_rcu()
2671 if (fl4->saddr) { in ip_route_output_key_hash_rcu()
2672 if (ipv4_is_multicast(fl4->saddr) || in ip_route_output_key_hash_rcu()
2673 ipv4_is_lbcast(fl4->saddr) || in ip_route_output_key_hash_rcu()
2674 ipv4_is_zeronet(fl4->saddr)) { in ip_route_output_key_hash_rcu()
2689 if (fl4->flowi4_oif == 0 && in ip_route_output_key_hash_rcu()
2690 (ipv4_is_multicast(fl4->daddr) || in ip_route_output_key_hash_rcu()
2691 ipv4_is_lbcast(fl4->daddr))) { in ip_route_output_key_hash_rcu()
2693 dev_out = __ip_dev_find(net, fl4->saddr, false); in ip_route_output_key_hash_rcu()
2712 fl4->flowi4_oif = dev_out->ifindex; in ip_route_output_key_hash_rcu()
2716 if (!(fl4->flowi4_flags & FLOWI_FLAG_ANYSRC)) { in ip_route_output_key_hash_rcu()
2718 if (!__ip_dev_find(net, fl4->saddr, false)) in ip_route_output_key_hash_rcu()
2724 if (fl4->flowi4_oif) { in ip_route_output_key_hash_rcu()
2725 dev_out = dev_get_by_index_rcu(net, fl4->flowi4_oif); in ip_route_output_key_hash_rcu()
2735 if (ipv4_is_local_multicast(fl4->daddr) || in ip_route_output_key_hash_rcu()
2736 ipv4_is_lbcast(fl4->daddr) || in ip_route_output_key_hash_rcu()
2737 fl4->flowi4_proto == IPPROTO_IGMP) { in ip_route_output_key_hash_rcu()
2738 if (!fl4->saddr) in ip_route_output_key_hash_rcu()
2739 fl4->saddr = inet_select_addr(dev_out, 0, in ip_route_output_key_hash_rcu()
2743 if (!fl4->saddr) { in ip_route_output_key_hash_rcu()
2744 if (ipv4_is_multicast(fl4->daddr)) in ip_route_output_key_hash_rcu()
2745 fl4->saddr = inet_select_addr(dev_out, 0, in ip_route_output_key_hash_rcu()
2746 fl4->flowi4_scope); in ip_route_output_key_hash_rcu()
2747 else if (!fl4->daddr) in ip_route_output_key_hash_rcu()
2748 fl4->saddr = inet_select_addr(dev_out, 0, in ip_route_output_key_hash_rcu()
2753 if (!fl4->daddr) { in ip_route_output_key_hash_rcu()
2754 fl4->daddr = fl4->saddr; in ip_route_output_key_hash_rcu()
2755 if (!fl4->daddr) in ip_route_output_key_hash_rcu()
2756 fl4->daddr = fl4->saddr = htonl(INADDR_LOOPBACK); in ip_route_output_key_hash_rcu()
2758 fl4->flowi4_oif = LOOPBACK_IFINDEX; in ip_route_output_key_hash_rcu()
2764 err = fib_lookup(net, fl4, res, 0); in ip_route_output_key_hash_rcu()
2768 if (fl4->flowi4_oif && in ip_route_output_key_hash_rcu()
2769 (ipv4_is_multicast(fl4->daddr) || in ip_route_output_key_hash_rcu()
2770 !netif_index_is_l3_master(net, fl4->flowi4_oif))) { in ip_route_output_key_hash_rcu()
2789 if (fl4->saddr == 0) in ip_route_output_key_hash_rcu()
2790 fl4->saddr = inet_select_addr(dev_out, 0, in ip_route_output_key_hash_rcu()
2800 if (!fl4->saddr) { in ip_route_output_key_hash_rcu()
2802 fl4->saddr = res->fi->fib_prefsrc; in ip_route_output_key_hash_rcu()
2804 fl4->saddr = fl4->daddr; in ip_route_output_key_hash_rcu()
2816 fl4->flowi4_oif = dev_out->ifindex; in ip_route_output_key_hash_rcu()
2821 fib_select_path(net, res, fl4, skb); in ip_route_output_key_hash_rcu()
2826 rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags); in ip_route_output_key_hash_rcu()
2911 struct flowi4 fl4; in ip_route_output_tunnel() local
2922 memset(&fl4, 0, sizeof(fl4)); in ip_route_output_tunnel()
2923 fl4.flowi4_mark = skb->mark; in ip_route_output_tunnel()
2924 fl4.flowi4_proto = protocol; in ip_route_output_tunnel()
2925 fl4.daddr = info->key.u.ipv4.dst; in ip_route_output_tunnel()
2926 fl4.saddr = info->key.u.ipv4.src; in ip_route_output_tunnel()
2928 fl4.flowi4_tos = RT_TOS(tos); in ip_route_output_tunnel()
2930 rt = ip_route_output_key(net, &fl4); in ip_route_output_tunnel()
2932 netdev_dbg(dev, "no route to %pI4\n", &fl4.daddr); in ip_route_output_tunnel()
2936 netdev_dbg(dev, "circular route to %pI4\n", &fl4.daddr); in ip_route_output_tunnel()
2942 dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr); in ip_route_output_tunnel()
2944 *saddr = fl4.saddr; in ip_route_output_tunnel()
2951 struct rtable *rt, u32 table_id, struct flowi4 *fl4, in rt_fill_info() argument
2969 r->rtm_tos = fl4 ? fl4->flowi4_tos : 0; in rt_fill_info()
3000 if (fl4 && !rt_is_input_route(rt) && in rt_fill_info()
3001 fl4->saddr != src) { in rt_fill_info()
3002 if (nla_put_in_addr(skb, RTA_PREFSRC, fl4->saddr)) in rt_fill_info()
3042 if (fl4) { in rt_fill_info()
3043 if (fl4->flowi4_mark && in rt_fill_info()
3044 nla_put_u32(skb, RTA_MARK, fl4->flowi4_mark)) in rt_fill_info()
3047 if (!uid_eq(fl4->flowi4_uid, INVALID_UID) && in rt_fill_info()
3050 fl4->flowi4_uid))) in rt_fill_info()
3059 fl4->saddr, fl4->daddr, in rt_fill_info()
3069 if (nla_put_u32(skb, RTA_IIF, fl4->flowi4_iif)) in rt_fill_info()
3304 struct flowi4 fl4 = {}; in inet_rtm_getroute() local
3343 fl4.daddr = dst; in inet_rtm_getroute()
3344 fl4.saddr = src; in inet_rtm_getroute()
3345 fl4.flowi4_tos = rtm->rtm_tos & IPTOS_RT_MASK; in inet_rtm_getroute()
3346 fl4.flowi4_oif = tb[RTA_OIF] ? nla_get_u32(tb[RTA_OIF]) : 0; in inet_rtm_getroute()
3347 fl4.flowi4_mark = mark; in inet_rtm_getroute()
3348 fl4.flowi4_uid = uid; in inet_rtm_getroute()
3350 fl4.fl4_sport = sport; in inet_rtm_getroute()
3352 fl4.fl4_dport = dport; in inet_rtm_getroute()
3353 fl4.flowi4_proto = ip_proto; in inet_rtm_getroute()
3366 fl4.flowi4_iif = iif; /* for rt_fill_info */ in inet_rtm_getroute()
3377 fl4.flowi4_iif = LOOPBACK_IFINDEX; in inet_rtm_getroute()
3379 rt = ip_route_output_key_hash_rcu(net, &fl4, &res, skb); in inet_rtm_getroute()
3415 fri.tos = fl4.flowi4_tos; in inet_rtm_getroute()
3442 err = rt_fill_info(net, dst, src, rt, table_id, &fl4, skb, in inet_rtm_getroute()