101 	int olen, l2_len;  in __encap_ipv4()  local
155 	olen = sizeof(h_outer.ip);  in __encap_ipv4()
179 		olen += sizeof(h_outer.l4hdr.gre);  in __encap_ipv4()
185 		olen += sizeof(h_outer.l4hdr.udp);  in __encap_ipv4()
201 	l2_hdr = (__u8 *)&h_outer + olen;  in __encap_ipv4()
223 	olen += l2_len;  in __encap_ipv4()
226 	if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))  in __encap_ipv4()
231 	h_outer.ip.tot_len = bpf_htons(olen +  in __encap_ipv4()
238 	if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,  in __encap_ipv4()
269 	int olen, l2_len;  in __encap_ipv6()  local
286 	olen = sizeof(h_outer.ip);  in __encap_ipv6()
310 		olen += sizeof(h_outer.l4hdr.gre);  in __encap_ipv6()
316 		olen += sizeof(h_outer.l4hdr.udp);  in __encap_ipv6()
331 	l2_hdr = (__u8 *)&h_outer + olen;  in __encap_ipv6()
352 	olen += l2_len;  in __encap_ipv6()
355 	if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))  in __encap_ipv6()
360 	h_outer.ip.payload_len = bpf_htons(olen +  in __encap_ipv6()
366 	if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,  in __encap_ipv6()
380 	int olen;  in encap_ipv6_ipip6()  local
394 	olen = sizeof(h_outer.ip);  in encap_ipv6_ipip6()
399 	if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))  in encap_ipv6_ipip6()
414 	if (bpf_skb_store_bytes(skb, ETH_HLEN, &h_outer, olen,  in encap_ipv6_ipip6()
606 	int olen = len;  in decap_internal()  local
631 		olen += sizeof(struct gre_hdr);  in decap_internal()
636 			olen += sizeof(mpls_label);  in decap_internal()
639 			olen += ETH_HLEN;  in decap_internal()
644 		olen += sizeof(struct udphdr);  in decap_internal()
649 			olen += sizeof(mpls_label);  in decap_internal()
652 			olen += ETH_HLEN;  in decap_internal()
655 			olen += ETH_HLEN + sizeof(struct vxlanhdr);  in decap_internal()
663 	if (bpf_skb_adjust_room(skb, -olen, BPF_ADJ_ROOM_MAC, flags))  in decap_internal()