120 static inline int IP6_ECN_set_ce(struct sk_buff *skb, struct ipv6hdr *iph)  in IP6_ECN_set_ce()  argument
130 	if (skb->ip_summed == CHECKSUM_COMPLETE)  in IP6_ECN_set_ce()
131 		skb->csum = csum_add(csum_sub(skb->csum, from), to);  in IP6_ECN_set_ce()
146 static inline int INET_ECN_set_ce(struct sk_buff *skb)  in INET_ECN_set_ce()  argument
148 	switch (skb->protocol) {  in INET_ECN_set_ce()
150 		if (skb_network_header(skb) + sizeof(struct iphdr) <=  in INET_ECN_set_ce()
151 		    skb_tail_pointer(skb))  in INET_ECN_set_ce()
152 			return IP_ECN_set_ce(ip_hdr(skb));  in INET_ECN_set_ce()
156 		if (skb_network_header(skb) + sizeof(struct ipv6hdr) <=  in INET_ECN_set_ce()
157 		    skb_tail_pointer(skb))  in INET_ECN_set_ce()
158 			return IP6_ECN_set_ce(skb, ipv6_hdr(skb));  in INET_ECN_set_ce()
189 static inline int INET_ECN_decapsulate(struct sk_buff *skb,  in INET_ECN_decapsulate()  argument
205 		INET_ECN_set_ce(skb);  in INET_ECN_decapsulate()
211 				     struct sk_buff *skb)  in IP_ECN_decapsulate()  argument
215 	if (skb->protocol == htons(ETH_P_IP))  in IP_ECN_decapsulate()
216 		inner = ip_hdr(skb)->tos;  in IP_ECN_decapsulate()
217 	else if (skb->protocol == htons(ETH_P_IPV6))  in IP_ECN_decapsulate()
218 		inner = ipv6_get_dsfield(ipv6_hdr(skb));  in IP_ECN_decapsulate()
222 	return INET_ECN_decapsulate(skb, oiph->tos, inner);  in IP_ECN_decapsulate()
226 				      struct sk_buff *skb)  in IP6_ECN_decapsulate()  argument
230 	if (skb->protocol == htons(ETH_P_IP))  in IP6_ECN_decapsulate()
231 		inner = ip_hdr(skb)->tos;  in IP6_ECN_decapsulate()
232 	else if (skb->protocol == htons(ETH_P_IPV6))  in IP6_ECN_decapsulate()
233 		inner = ipv6_get_dsfield(ipv6_hdr(skb));  in IP6_ECN_decapsulate()
237 	return INET_ECN_decapsulate(skb, ipv6_get_dsfield(oipv6h), inner);  in IP6_ECN_decapsulate()