98 	int olen, l2_len;  in __encap_ipv4()  local
152 	olen = sizeof(h_outer.ip);  in __encap_ipv4()
176 		olen += sizeof(h_outer.l4hdr.gre);  in __encap_ipv4()
182 		olen += sizeof(h_outer.l4hdr.udp);  in __encap_ipv4()
198 	l2_hdr = (__u8 *)&h_outer + olen;  in __encap_ipv4()
220 	olen += l2_len;  in __encap_ipv4()
223 	if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))  in __encap_ipv4()
228 	h_outer.ip.tot_len = bpf_htons(olen +  in __encap_ipv4()
235 	if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,  in __encap_ipv4()
266 	int olen, l2_len;  in __encap_ipv6()  local
283 	olen = sizeof(h_outer.ip);  in __encap_ipv6()
307 		olen += sizeof(h_outer.l4hdr.gre);  in __encap_ipv6()
313 		olen += sizeof(h_outer.l4hdr.udp);  in __encap_ipv6()
328 	l2_hdr = (__u8 *)&h_outer + olen;  in __encap_ipv6()
349 	olen += l2_len;  in __encap_ipv6()
352 	if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))  in __encap_ipv6()
357 	h_outer.ip.payload_len = bpf_htons(olen +  in __encap_ipv6()
363 	if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,  in __encap_ipv6()
377 	int olen;  in encap_ipv6_ipip6()  local
391 	olen = sizeof(h_outer.ip);  in encap_ipv6_ipip6()
396 	if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))  in encap_ipv6_ipip6()
411 	if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,  in encap_ipv6_ipip6()
603 	int olen = len;  in decap_internal()  local
628 		olen += sizeof(struct gre_hdr);  in decap_internal()
633 			olen += sizeof(mpls_label);  in decap_internal()
636 			olen += ETH_HLEN;  in decap_internal()
641 		olen += sizeof(struct udphdr);  in decap_internal()
646 			olen += sizeof(mpls_label);  in decap_internal()
649 			olen += ETH_HLEN;  in decap_internal()
652 			olen += ETH_HLEN + sizeof(struct vxlanhdr);  in decap_internal()
660 	if (bpf_skb_adjust_room(skb, -olen, BPF_ADJ_ROOM_MAC, flags))  in decap_internal()