21 static inline void ipip6_ecn_decapsulate(struct sk_buff *skb)  in ipip6_ecn_decapsulate()  argument
23 	const struct ipv6hdr *outer_iph = ipv6_hdr(skb);  in ipip6_ecn_decapsulate()
24 	struct ipv6hdr *inner_iph = ipipv6_hdr(skb);  in ipip6_ecn_decapsulate()
27 		IP6_ECN_set_ce(skb, inner_iph);  in ipip6_ecn_decapsulate()
34 static int xfrm6_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)  in xfrm6_mode_tunnel_output()  argument
36 	struct dst_entry *dst = skb_dst(skb);  in xfrm6_mode_tunnel_output()
40 	skb_set_network_header(skb, -x->props.header_len);  in xfrm6_mode_tunnel_output()
41 	skb->mac_header = skb->network_header +  in xfrm6_mode_tunnel_output()
43 	skb->transport_header = skb->network_header + sizeof(*top_iph);  in xfrm6_mode_tunnel_output()
44 	top_iph = ipv6_hdr(skb);  in xfrm6_mode_tunnel_output()
48 	memcpy(top_iph->flow_lbl, XFRM_MODE_SKB_CB(skb)->flow_lbl,  in xfrm6_mode_tunnel_output()
50 	top_iph->nexthdr = xfrm_af2proto(skb_dst(skb)->ops->family);  in xfrm6_mode_tunnel_output()
55 		dsfield = XFRM_MODE_SKB_CB(skb)->tos;  in xfrm6_mode_tunnel_output()
56 	dsfield = INET_ECN_encapsulate(dsfield, XFRM_MODE_SKB_CB(skb)->tos);  in xfrm6_mode_tunnel_output()
72 static int xfrm6_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)  in xfrm6_mode_tunnel_input()  argument
76 	if (XFRM_MODE_SKB_CB(skb)->protocol != IPPROTO_IPV6)  in xfrm6_mode_tunnel_input()
78 	if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))  in xfrm6_mode_tunnel_input()
81 	err = skb_unclone(skb, GFP_ATOMIC);  in xfrm6_mode_tunnel_input()
86 		ipv6_copy_dscp(ipv6_get_dsfield(ipv6_hdr(skb)),  in xfrm6_mode_tunnel_input()
87 			       ipipv6_hdr(skb));  in xfrm6_mode_tunnel_input()
89 		ipip6_ecn_decapsulate(skb);  in xfrm6_mode_tunnel_input()
91 	skb_reset_network_header(skb);  in xfrm6_mode_tunnel_input()
92 	skb_mac_header_rebuild(skb);  in xfrm6_mode_tunnel_input()