24 			       struct sk_buff *skb, unsigned int thoff)  in nf_flow_state_check()  argument
31 	tcph = (void *)(skb_network_header(skb) + thoff);  in nf_flow_state_check()
40 static void nf_flow_nat_ip_tcp(struct sk_buff *skb, unsigned int thoff,  in nf_flow_nat_ip_tcp()  argument
45 	tcph = (void *)(skb_network_header(skb) + thoff);  in nf_flow_nat_ip_tcp()
49 static void nf_flow_nat_ip_udp(struct sk_buff *skb, unsigned int thoff,  in nf_flow_nat_ip_udp()  argument
54 	udph = (void *)(skb_network_header(skb) + thoff);  in nf_flow_nat_ip_udp()
64 				   unsigned int thoff, __be32 addr,  in nf_flow_nat_ip_l4proto()  argument
69 		nf_flow_nat_ip_tcp(skb, thoff, addr, new_addr);  in nf_flow_nat_ip_l4proto()
72 		nf_flow_nat_ip_udp(skb, thoff, addr, new_addr);  in nf_flow_nat_ip_l4proto()
79 			    unsigned int thoff, enum flow_offload_tuple_dir dir)  in nf_flow_snat_ip()  argument
97 	nf_flow_nat_ip_l4proto(skb, iph, thoff, addr, new_addr);  in nf_flow_snat_ip()
102 			    unsigned int thoff, enum flow_offload_tuple_dir dir)  in nf_flow_dnat_ip()  argument
120 	nf_flow_nat_ip_l4proto(skb, iph, thoff, addr, new_addr);  in nf_flow_dnat_ip()
124 			  unsigned int thoff, enum flow_offload_tuple_dir dir,  in nf_flow_nat_ip()  argument
128 		nf_flow_snat_port(flow, skb, thoff, iph->protocol, dir);  in nf_flow_nat_ip()
129 		nf_flow_snat_ip(flow, skb, iph, thoff, dir);  in nf_flow_nat_ip()
132 		nf_flow_dnat_port(flow, skb, thoff, iph->protocol, dir);  in nf_flow_nat_ip()
133 		nf_flow_dnat_ip(flow, skb, iph, thoff, dir);  in nf_flow_nat_ip()
137 static bool ip_has_options(unsigned int thoff)  in ip_has_options()  argument
139 	return thoff != sizeof(struct iphdr);  in ip_has_options()
173 	unsigned int thoff;  in nf_flow_tuple_ip()  local
180 	thoff = (iph->ihl * 4);  in nf_flow_tuple_ip()
183 	    unlikely(ip_has_options(thoff)))  in nf_flow_tuple_ip()
186 	thoff += offset;  in nf_flow_tuple_ip()
202 	if (!pskb_may_pull(skb, thoff + *hdrsize))  in nf_flow_tuple_ip()
206 	ports = (struct flow_ports *)(skb_network_header(skb) + thoff);  in nf_flow_tuple_ip()
338 	unsigned int thoff, mtu;  in nf_flow_offload_ip_hook()  local
363 	thoff = (iph->ihl * 4) + offset;  in nf_flow_offload_ip_hook()
364 	if (nf_flow_state_check(flow, iph->protocol, skb, thoff))  in nf_flow_offload_ip_hook()
367 	if (skb_try_make_writable(skb, thoff + hdrsize))  in nf_flow_offload_ip_hook()
373 	thoff -= offset;  in nf_flow_offload_ip_hook()
376 	nf_flow_nat_ip(flow, skb, thoff, dir, iph);  in nf_flow_offload_ip_hook()
413 static void nf_flow_nat_ipv6_tcp(struct sk_buff *skb, unsigned int thoff,  in nf_flow_nat_ipv6_tcp()  argument
420 	tcph = (void *)(skb_network_header(skb) + thoff);  in nf_flow_nat_ipv6_tcp()
425 static void nf_flow_nat_ipv6_udp(struct sk_buff *skb, unsigned int thoff,  in nf_flow_nat_ipv6_udp()  argument
431 	udph = (void *)(skb_network_header(skb) + thoff);  in nf_flow_nat_ipv6_udp()
441 				     unsigned int thoff, struct in6_addr *addr,  in nf_flow_nat_ipv6_l4proto()  argument
446 		nf_flow_nat_ipv6_tcp(skb, thoff, addr, new_addr, ip6h);  in nf_flow_nat_ipv6_l4proto()
449 		nf_flow_nat_ipv6_udp(skb, thoff, addr, new_addr);  in nf_flow_nat_ipv6_l4proto()
456 			      unsigned int thoff,  in nf_flow_snat_ipv6()  argument
474 	nf_flow_nat_ipv6_l4proto(skb, ip6h, thoff, &addr, &new_addr);  in nf_flow_snat_ipv6()
479 			      unsigned int thoff,  in nf_flow_dnat_ipv6()  argument
497 	nf_flow_nat_ipv6_l4proto(skb, ip6h, thoff, &addr, &new_addr);  in nf_flow_dnat_ipv6()
505 	unsigned int thoff = sizeof(*ip6h);  in nf_flow_nat_ipv6()  local
508 		nf_flow_snat_port(flow, skb, thoff, ip6h->nexthdr, dir);  in nf_flow_nat_ipv6()
509 		nf_flow_snat_ipv6(flow, skb, ip6h, thoff, dir);  in nf_flow_nat_ipv6()
512 		nf_flow_dnat_port(flow, skb, thoff, ip6h->nexthdr, dir);  in nf_flow_nat_ipv6()
513 		nf_flow_dnat_ipv6(flow, skb, ip6h, thoff, dir);  in nf_flow_nat_ipv6()
523 	unsigned int thoff;  in nf_flow_tuple_ipv6()  local
525 	thoff = sizeof(*ip6h) + offset;  in nf_flow_tuple_ipv6()
526 	if (!pskb_may_pull(skb, thoff))  in nf_flow_tuple_ipv6()
545 	if (!pskb_may_pull(skb, thoff + *hdrsize))  in nf_flow_tuple_ipv6()
549 	ports = (struct flow_ports *)(skb_network_header(skb) + thoff);  in nf_flow_tuple_ipv6()
574 	unsigned int thoff, mtu;  in nf_flow_offload_ipv6_hook()  local
599 	thoff = sizeof(*ip6h) + offset;  in nf_flow_offload_ipv6_hook()
600 	if (nf_flow_state_check(flow, ip6h->nexthdr, skb, thoff))  in nf_flow_offload_ipv6_hook()
603 	if (skb_try_make_writable(skb, thoff + hdrsize))  in nf_flow_offload_ipv6_hook()