232 bool parse_udp(void *data, void *data_end,  in parse_udp()  argument
241 	if (udp + 1 > data_end)  in parse_udp()
254 bool parse_tcp(void *data, void *data_end,  in parse_tcp()  argument
263 	if (tcp + 1 > data_end)  in parse_tcp()
286 	void *data_end;  in encap_v6()  local
292 	data_end = (void *)(long)xdp->data_end;  in encap_v6()
296 	if (new_eth + 1 > data_end ||  in encap_v6()
297 	    old_eth + 1 > data_end || ip6h + 1 > data_end)  in encap_v6()
332 	void *data_end;  in encap_v4()  local
340 	data_end = (void *)(long)xdp->data_end;  in encap_v4()
344 	if (new_eth + 1 > data_end ||  in encap_v4()
345 	    old_eth + 1 > data_end || iph + 1 > data_end)  in encap_v4()
375 bool decap_v6(struct xdp_md *xdp, void **data, void **data_end, bool inner_v4)  in decap_v6()  argument
391 	*data_end = (void *)(long)xdp->data_end;  in decap_v6()
396 bool decap_v4(struct xdp_md *xdp, void **data, void **data_end)  in decap_v4()  argument
409 	*data_end = (void *)(long)xdp->data_end;  in decap_v4()
414 int swap_mac_and_send(void *data, void *data_end)  in swap_mac_and_send()  argument
427 int send_icmp_reply(void *data, void *data_end)  in send_icmp_reply()  argument
438 	     + sizeof(struct iphdr) + sizeof(struct icmphdr) > data_end)  in send_icmp_reply()
456 	return swap_mac_and_send(data, data_end);  in send_icmp_reply()
460 int send_icmp6_reply(void *data, void *data_end)  in send_icmp6_reply()  argument
468 	     + sizeof(struct ipv6hdr) + sizeof(struct icmp6hdr) > data_end)  in send_icmp6_reply()
480 	return swap_mac_and_send(data, data_end);  in send_icmp6_reply()
484 int parse_icmpv6(void *data, void *data_end, __u64 off,  in parse_icmpv6()  argument
491 	if (icmp_hdr + 1 > data_end)  in parse_icmpv6()
494 		return send_icmp6_reply(data, data_end);  in parse_icmpv6()
499 	if (ip6h + 1 > data_end)  in parse_icmpv6()
509 int parse_icmp(void *data, void *data_end, __u64 off,  in parse_icmp()  argument
516 	if (icmp_hdr + 1 > data_end)  in parse_icmp()
519 		return send_icmp_reply(data, data_end);  in parse_icmp()
524 	if (iph + 1 > data_end)  in parse_icmp()
631 				 void *data_end)  in process_l3_headers_v6()  argument
638 	if (ip6h + 1 > data_end)  in process_l3_headers_v6()
648 		action = parse_icmpv6(data, data_end, off, pckt);  in process_l3_headers_v6()
662 				 void *data_end)  in process_l3_headers_v4()  argument
669 	if (iph + 1 > data_end)  in process_l3_headers_v4()
680 		action = parse_icmp(data, data_end, off, pckt);  in process_l3_headers_v4()
691 static int process_packet(void *data, __u64 off, void *data_end,  in process_packet()  argument
714 					       &pkt_bytes, data, data_end);  in process_packet()
717 					       &pkt_bytes, data, data_end);  in process_packet()
722 		if (!parse_tcp(data, data_end, is_ipv6, &pckt))  in process_packet()
725 		if (!parse_udp(data, data_end, is_ipv6, &pckt))  in process_packet()
746 	if (data_end - data > 1400)  in process_packet()
793 	data_end = (void *)(long)xdp->data_end;  in process_packet()
794 	if (data + 4 > data_end)  in process_packet()
804 	void *data_end = (void *)(long)ctx->data_end;  in balancer_ingress_v4()  local
810 	if (data + nh_off > data_end)  in balancer_ingress_v4()
814 		return process_packet(data, nh_off, data_end, 0, ctx);  in balancer_ingress_v4()
823 	void *data_end = (void *)(long)ctx->data_end;  in balancer_ingress_v6()  local
829 	if (data + nh_off > data_end)  in balancer_ingress_v6()
833 		return process_packet(data, nh_off, data_end, 1, ctx);  in balancer_ingress_v6()