393 	struct vlan_hdr *vlan, _vlan;  in PROG()  local
397 		vlan = bpf_flow_dissect_get_header(skb, sizeof(*vlan), &_vlan);  in PROG()
398 		if (!vlan)  in PROG()
401 		if (vlan->h_vlan_encapsulated_proto != bpf_htons(ETH_P_8021Q))  in PROG()
404 		keys->nhoff += sizeof(*vlan);  in PROG()
405 		keys->thoff += sizeof(*vlan);  in PROG()
408 	vlan = bpf_flow_dissect_get_header(skb, sizeof(*vlan), &_vlan);  in PROG()
409 	if (!vlan)  in PROG()
412 	keys->nhoff += sizeof(*vlan);  in PROG()
413 	keys->thoff += sizeof(*vlan);  in PROG()
415 	if (vlan->h_vlan_encapsulated_proto == bpf_htons(ETH_P_8021AD) ||  in PROG()
416 	    vlan->h_vlan_encapsulated_proto == bpf_htons(ETH_P_8021Q))  in PROG()
419 	keys->n_proto = vlan->h_vlan_encapsulated_proto;  in PROG()
420 	return parse_eth_proto(skb, vlan->h_vlan_encapsulated_proto);  in PROG()