diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index 6448a2e862dc9baffc8329c186487f6f3adac119..c942d36e38a57a24a9485220e8969120c6f70bcc 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -207,44 +207,6 @@ __ip_vs_get_out_rt(struct sk_buff *skb, struct ip_vs_dest *dest, return rt; } -/* Reroute packet to local IPv4 stack after DNAT */ -static int -__ip_vs_reroute_locally(struct sk_buff *skb) -{ - struct rtable *rt = skb_rtable(skb); - struct net_device *dev = rt->dst.dev; - struct net *net = dev_net(dev); - struct iphdr *iph = ip_hdr(skb); - - if (rt_is_input_route(rt)) { - unsigned long orefdst = skb->_skb_refdst; - - if (ip_route_input(skb, iph->daddr, iph->saddr, - iph->tos, skb->dev)) - return 0; - refdst_drop(orefdst); - } else { - struct flowi4 fl4 = { - .daddr = iph->daddr, - .saddr = iph->saddr, - .flowi4_tos = RT_TOS(iph->tos), - .flowi4_mark = skb->mark, - }; - - rt = ip_route_output_key(net, &fl4); - if (IS_ERR(rt)) - return 0; - if (!(rt->rt_flags & RTCF_LOCAL)) { - ip_rt_put(rt); - return 0; - } - /* Drop old route. */ - skb_dst_drop(skb); - skb_dst_set(skb, &rt->dst); - } - return 1; -} - #ifdef CONFIG_IP_VS_IPV6 static inline int __ip_vs_is_local_route6(struct rt6_info *rt) @@ -635,16 +597,8 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, /* drop old route */ skb_dst_drop(skb); skb_dst_set(skb, &rt->dst); - } else { + } else ip_rt_put(rt); - /* - * Some IPv4 replies get local address from routes, - * not from iph, so while we DNAT after routing - * we need this second input/output route. - */ - if (!__ip_vs_reroute_locally(skb)) - goto tx_error; - } IP_VS_DBG_PKT(10, AF_INET, pp, skb, 0, "After DNAT"); @@ -1269,16 +1223,8 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, /* drop the old route when skb is not shared */ skb_dst_drop(skb); skb_dst_set(skb, &rt->dst); - } else { + } else ip_rt_put(rt); - /* - * Some IPv4 replies get local address from routes, - * not from iph, so while we DNAT after routing - * we need this second input/output route. - */ - if (!__ip_vs_reroute_locally(skb)) - goto tx_error; - } /* Another hack: avoid icmp_send in ip_fragment */ skb->local_df = 1;