net/netfilter/nf_flow_table_ip.c

85 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v4.s_addr;
90 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v4.s_addr;
108 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_v4.s_addr;
113 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v4.s_addr;
142 				struct flow_offload_tuple *tuple)
149 		tuple->encap[i].id = skb_vlan_tag_get(skb);
150 		tuple->encap[i].proto = skb->vlan_proto;
156 		tuple->encap[i].id = ntohs(veth->h_vlan_TCI);
157 		tuple->encap[i].proto = skb->protocol;
161 		tuple->encap[i].id = ntohs(phdr->sid);
162 		tuple->encap[i].proto = skb->protocol;
174 			    struct flow_offload_tuple *tuple)
220 		tuple->src_port		= ports->source;
221 		tuple->dst_port		= ports->dest;
235 	tuple->src_v4.s_addr	= iph->saddr;
236 	tuple->dst_v4.s_addr	= iph->daddr;
237 	tuple->l3proto		= AF_INET;
238 	tuple->l4proto		= ipproto;
239 	tuple->iifidx		= ctx->in->ifindex;
240 	nf_flow_tuple_encap(skb, tuple);
257 static inline bool nf_flow_dst_check(struct flow_offload_tuple *tuple)
259 	if (tuple->xmit_type != FLOW_OFFLOAD_XMIT_NEIGH &&
260 	    tuple->xmit_type != FLOW_OFFLOAD_XMIT_XFRM)
263 	return dst_check(tuple->dst_cache, tuple->dst_cookie);
308 	for (i = 0; i < tuplehash->tuple.encap_num; i++) {
335 	outdev = dev_get_by_index_rcu(net, tuplehash->tuple.out.ifidx);
340 	dev_hard_header(skb, skb->dev, type, tuplehash->tuple.out.h_dest,
341 			tuplehash->tuple.out.h_source, skb->len);
351 	struct flow_offload_tuple tuple = {};
357 	if (nf_flow_tuple_ip(ctx, skb, &tuple) < 0)
360 	return flow_offload_lookup(flow_table, &tuple);
373 	dir = tuplehash->tuple.dir;
376 	mtu = flow->tuplehash[dir].tuple.mtu + ctx->offset;
385 	if (!nf_flow_dst_check(&tuplehash->tuple)) {
405 		nf_ct_acct_update(flow->ct, tuplehash->tuple.dir, skb->len);
436 	if (unlikely(tuplehash->tuple.xmit_type == FLOW_OFFLOAD_XMIT_XFRM)) {
437 		rt = (struct rtable *)tuplehash->tuple.dst_cache;
444 	dir = tuplehash->tuple.dir;
447 	switch (tuplehash->tuple.xmit_type) {
449 		rt = (struct rtable *)tuplehash->tuple.dst_cache;
452 		nexthop = rt_nexthop(rt, flow->tuplehash[!dir].tuple.src_v4.s_addr);
523 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.dst_v6;
528 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.src_v6;
546 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple.src_v6;
551 		new_addr = flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple.dst_v6;
577 			      struct flow_offload_tuple *tuple)
617 		tuple->src_port		= ports->source;
618 		tuple->dst_port		= ports->dest;
632 	tuple->src_v6		= ip6h->saddr;
633 	tuple->dst_v6		= ip6h->daddr;
634 	tuple->l3proto		= AF_INET6;
635 	tuple->l4proto		= nexthdr;
636 	tuple->iifidx		= ctx->in->ifindex;
637 	nf_flow_tuple_encap(skb, tuple);
652 	dir = tuplehash->tuple.dir;
655 	mtu = flow->tuplehash[dir].tuple.mtu + ctx->offset;
664 	if (!nf_flow_dst_check(&tuplehash->tuple)) {
683 		nf_ct_acct_update(flow->ct, tuplehash->tuple.dir, skb->len);
693 	struct flow_offload_tuple tuple = {};
699 	if (nf_flow_tuple_ipv6(ctx, skb, &tuple) < 0)
702 	return flow_offload_lookup(flow_table, &tuple);
731 	if (unlikely(tuplehash->tuple.xmit_type == FLOW_OFFLOAD_XMIT_XFRM)) {
732 		rt = (struct rt6_info *)tuplehash->tuple.dst_cache;
739 	dir = tuplehash->tuple.dir;
742 	switch (tuplehash->tuple.xmit_type) {
744 		rt = (struct rt6_info *)tuplehash->tuple.dst_cache;
747 		nexthop = rt6_nexthop(rt, &flow->tuplehash[!dir].tuple.src_v6);