289 bool encap_v6(struct xdp_md *xdp, struct ctl_value *cval,  in encap_v6()  argument
300 	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct ipv6hdr)))  in encap_v6()
302 	data = (void *)(long)xdp->data;  in encap_v6()
303 	data_end = (void *)(long)xdp->data_end;  in encap_v6()
332 bool encap_v4(struct xdp_md *xdp, struct ctl_value *cval,  in encap_v4()  argument
348 	if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr)))  in encap_v4()
350 	data = (void *)(long)xdp->data;  in encap_v4()
351 	data_end = (void *)(long)xdp->data_end;  in encap_v4()
380 	if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct iphdr)))  in encap_v4()
386 bool decap_v6(struct xdp_md *xdp, void **data, void **data_end, bool inner_v4)  in decap_v6()  argument
399 	if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct ipv6hdr)))  in decap_v6()
401 	*data = (void *)(long)xdp->data;  in decap_v6()
402 	*data_end = (void *)(long)xdp->data_end;  in decap_v6()
407 bool decap_v4(struct xdp_md *xdp, void **data, void **data_end)  in decap_v4()  argument
417 	if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct iphdr)))  in decap_v4()
419 	*data = (void *)(long)xdp->data;  in decap_v4()
420 	*data_end = (void *)(long)xdp->data_end;  in decap_v4()
703 			  bool is_ipv6, struct xdp_md *xdp)  in process_packet()  argument
790 		if (!encap_v6(xdp, cval, &pckt, dst, pkt_bytes))  in process_packet()
793 		if (!encap_v4(xdp, cval, &pckt, dst, pkt_bytes))  in process_packet()
803 	data = (void *)(long)xdp->data;  in process_packet()
804 	data_end = (void *)(long)xdp->data_end;  in process_packet()