385 		    const struct nshhdr *nh)  in push_nsh()  argument
389 	err = nsh_push(skb, nh);  in push_nsh()
416 static void update_ip_l4_checksum(struct sk_buff *skb, struct iphdr *nh,  in update_ip_l4_checksum()  argument
421 	if (nh->frag_off & htons(IP_OFFSET))  in update_ip_l4_checksum()
424 	if (nh->protocol == IPPROTO_TCP) {  in update_ip_l4_checksum()
428 	} else if (nh->protocol == IPPROTO_UDP) {  in update_ip_l4_checksum()
442 static void set_ip_addr(struct sk_buff *skb, struct iphdr *nh,  in set_ip_addr()  argument
445 	update_ip_l4_checksum(skb, nh, *addr, new_addr);  in set_ip_addr()
446 	csum_replace4(&nh->check, *addr, new_addr);  in set_ip_addr()
498 static void set_ipv6_fl(struct ipv6hdr *nh, u32 fl, u32 mask)  in set_ipv6_fl()  argument
501 	OVS_SET_MASKED(nh->flow_lbl[0], (u8)(fl >> 16), (u8)(mask >> 16));  in set_ipv6_fl()
502 	OVS_SET_MASKED(nh->flow_lbl[1], (u8)(fl >> 8), (u8)(mask >> 8));  in set_ipv6_fl()
503 	OVS_SET_MASKED(nh->flow_lbl[2], (u8)fl, (u8)mask);  in set_ipv6_fl()
506 static void set_ip_ttl(struct sk_buff *skb, struct iphdr *nh, u8 new_ttl,  in set_ip_ttl()  argument
509 	new_ttl = OVS_MASKED(nh->ttl, new_ttl, mask);  in set_ip_ttl()
511 	csum_replace2(&nh->check, htons(nh->ttl << 8), htons(new_ttl << 8));  in set_ip_ttl()
512 	nh->ttl = new_ttl;  in set_ip_ttl()
519 	struct iphdr *nh;  in set_ipv4()  local
528 	nh = ip_hdr(skb);  in set_ipv4()
535 		new_addr = OVS_MASKED(nh->saddr, key->ipv4_src, mask->ipv4_src);  in set_ipv4()
537 		if (unlikely(new_addr != nh->saddr)) {  in set_ipv4()
538 			set_ip_addr(skb, nh, &nh->saddr, new_addr);  in set_ipv4()
543 		new_addr = OVS_MASKED(nh->daddr, key->ipv4_dst, mask->ipv4_dst);  in set_ipv4()
545 		if (unlikely(new_addr != nh->daddr)) {  in set_ipv4()
546 			set_ip_addr(skb, nh, &nh->daddr, new_addr);  in set_ipv4()
551 		ipv4_change_dsfield(nh, ~mask->ipv4_tos, key->ipv4_tos);  in set_ipv4()
552 		flow_key->ip.tos = nh->tos;  in set_ipv4()
555 		set_ip_ttl(skb, nh, key->ipv4_ttl, mask->ipv4_ttl);  in set_ipv4()
556 		flow_key->ip.ttl = nh->ttl;  in set_ipv4()
571 	struct ipv6hdr *nh;  in set_ipv6()  local
579 	nh = ipv6_hdr(skb);  in set_ipv6()
586 		__be32 *saddr = (__be32 *)&nh->saddr;  in set_ipv6()
602 		__be32 *daddr = (__be32 *)&nh->daddr;  in set_ipv6()
608 			if (ipv6_ext_hdr(nh->nexthdr))  in set_ipv6()
621 		ipv6_change_dsfield(nh, ~mask->ipv6_tclass, key->ipv6_tclass);  in set_ipv6()
622 		flow_key->ip.tos = ipv6_get_dsfield(nh);  in set_ipv6()
625 		set_ipv6_fl(nh, ntohl(key->ipv6_label),  in set_ipv6()
628 		    *(__be32 *)nh & htonl(IPV6_FLOWINFO_FLOWLABEL);  in set_ipv6()
631 		OVS_SET_MASKED(nh->hop_limit, key->ipv6_hlimit,  in set_ipv6()
633 		flow_key->ip.ttl = nh->hop_limit;  in set_ipv6()
641 	struct nshhdr *nh;  in set_nsh()  local
659 	nh = nsh_hdr(skb);  in set_nsh()
660 	length = nsh_hdr_len(nh);  in set_nsh()
668 	nh = nsh_hdr(skb);  in set_nsh()
669 	skb_postpull_rcsum(skb, nh, length);  in set_nsh()
670 	flags = nsh_get_flags(nh);  in set_nsh()
673 	ttl = nsh_get_ttl(nh);  in set_nsh()
676 	nsh_set_flags_and_ttl(nh, flags, ttl);  in set_nsh()
677 	nh->path_hdr = OVS_MASKED(nh->path_hdr, key.base.path_hdr,  in set_nsh()
679 	flow_key->nsh.base.path_hdr = nh->path_hdr;  in set_nsh()
680 	switch (nh->mdtype) {  in set_nsh()
683 			nh->md1.context[i] =  in set_nsh()
684 			    OVS_MASKED(nh->md1.context[i], key.context[i],  in set_nsh()
687 		memcpy(flow_key->nsh.context, nh->md1.context,  in set_nsh()
688 		       sizeof(nh->md1.context));  in set_nsh()
697 	skb_postpush_rcsum(skb, nh, length);  in set_nsh()
1342 			struct nshhdr *nh = (struct nshhdr *)buffer;  in do_execute_actions()  local
1344 			err = nsh_hdr_from_nlattr(nla_data(a), nh,  in do_execute_actions()
1348 			err = push_nsh(skb, key, nh);  in do_execute_actions()