net/netfilter/nf_flow_table_ip.c

40 			       __be32 addr, __be32 new_addr)
45 	inet_proto_csum_replace4(&tcph->check, skb, addr, new_addr, true);
49 			       __be32 addr, __be32 new_addr)
56 					 new_addr, true);
64 				   __be32 new_addr)
68 		nf_flow_nat_ip_tcp(skb, thoff, addr, new_addr);
71 		nf_flow_nat_ip_udp(skb, thoff, addr, new_addr);
80 	__be32 addr, new_addr;
85 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v4.s_addr;
86 		iph->saddr = new_addr;
90 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v4.s_addr;
91 		iph->daddr = new_addr;
94 	csum_replace4(&iph->check, addr, new_addr);
96 	nf_flow_nat_ip_l4proto(skb, iph, thoff, addr, new_addr);
103 	__be32 addr, new_addr;
108 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_v4.s_addr;
109 		iph->daddr = new_addr;
113 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v4.s_addr;
114 		iph->saddr = new_addr;
117 	csum_replace4(&iph->check, addr, new_addr);
119 	nf_flow_nat_ip_l4proto(skb, iph, thoff, addr, new_addr);
474 				 struct in6_addr *new_addr,
481 				  new_addr->s6_addr32, true);
486 				 struct in6_addr *new_addr)
493 					  new_addr->s6_addr32, true);
501 				     struct in6_addr *new_addr)
505 		nf_flow_nat_ipv6_tcp(skb, thoff, addr, new_addr, ip6h);
508 		nf_flow_nat_ipv6_udp(skb, thoff, addr, new_addr);
518 	struct in6_addr addr, new_addr;
523 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v6;
524 		ip6h->saddr = new_addr;
528 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v6;
529 		ip6h->daddr = new_addr;
533 	nf_flow_nat_ipv6_l4proto(skb, ip6h, thoff, &addr, &new_addr);
541 	struct in6_addr addr, new_addr;
546 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_v6;
547 		ip6h->daddr = new_addr;
551 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v6;
552 		ip6h->saddr = new_addr;
556 	nf_flow_nat_ipv6_l4proto(skb, ip6h, thoff, &addr, &new_addr);