243 bool parse_udp(void *data, void *data_end,  in parse_udp()  argument
252 	if (udp + 1 > data_end)  in parse_udp()
265 bool parse_tcp(void *data, void *data_end,  in parse_tcp()  argument
274 	if (tcp + 1 > data_end)  in parse_tcp()
297 	void *data_end;  in encap_v6()  local
303 	data_end = (void *)(long)xdp->data_end;  in encap_v6()
307 	if (new_eth + 1 > data_end ||  in encap_v6()
308 	    old_eth + 1 > data_end || ip6h + 1 > data_end)  in encap_v6()
343 	void *data_end;  in encap_v4()  local
351 	data_end = (void *)(long)xdp->data_end;  in encap_v4()
355 	if (new_eth + 1 > data_end ||  in encap_v4()
356 	    old_eth + 1 > data_end || iph + 1 > data_end)  in encap_v4()
386 bool decap_v6(struct xdp_md *xdp, void **data, void **data_end, bool inner_v4)  in decap_v6()  argument
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
420 	*data_end = (void *)(long)xdp->data_end;  in decap_v4()
425 int swap_mac_and_send(void *data, void *data_end)  in swap_mac_and_send()  argument
438 int send_icmp_reply(void *data, void *data_end)  in send_icmp_reply()  argument
449 	     + sizeof(struct iphdr) + sizeof(struct icmphdr) > data_end)  in send_icmp_reply()
467 	return swap_mac_and_send(data, data_end);  in send_icmp_reply()
471 int send_icmp6_reply(void *data, void *data_end)  in send_icmp6_reply()  argument
479 	     + sizeof(struct ipv6hdr) + sizeof(struct icmp6hdr) > data_end)  in send_icmp6_reply()
491 	return swap_mac_and_send(data, data_end);  in send_icmp6_reply()
495 int parse_icmpv6(void *data, void *data_end, __u64 off,  in parse_icmpv6()  argument
502 	if (icmp_hdr + 1 > data_end)  in parse_icmpv6()
505 		return send_icmp6_reply(data, data_end);  in parse_icmpv6()
510 	if (ip6h + 1 > data_end)  in parse_icmpv6()
520 int parse_icmp(void *data, void *data_end, __u64 off,  in parse_icmp()  argument
527 	if (icmp_hdr + 1 > data_end)  in parse_icmp()
530 		return send_icmp_reply(data, data_end);  in parse_icmp()
535 	if (iph + 1 > data_end)  in parse_icmp()
642 				 void *data_end)  in process_l3_headers_v6()  argument
649 	if (ip6h + 1 > data_end)  in process_l3_headers_v6()
659 		action = parse_icmpv6(data, data_end, off, pckt);  in process_l3_headers_v6()
673 				 void *data_end)  in process_l3_headers_v4()  argument
680 	if (iph + 1 > data_end)  in process_l3_headers_v4()
691 		action = parse_icmp(data, data_end, off, pckt);  in process_l3_headers_v4()
702 static int process_packet(void *data, __u64 off, void *data_end,  in process_packet()  argument
725 					       &pkt_bytes, data, data_end);  in process_packet()
728 					       &pkt_bytes, data, data_end);  in process_packet()
733 		if (!parse_tcp(data, data_end, is_ipv6, &pckt))  in process_packet()
736 		if (!parse_udp(data, data_end, is_ipv6, &pckt))  in process_packet()
757 	if (data_end - data > 1400)  in process_packet()
804 	data_end = (void *)(long)xdp->data_end;  in process_packet()
805 	if (data + 4 > data_end)  in process_packet()
815 	void *data_end = (void *)(long)ctx->data_end;  in balancer_ingress()  local
821 	if (data + nh_off > data_end)  in balancer_ingress()
825 		return process_packet(data, nh_off, data_end, 0, ctx);  in balancer_ingress()
827 		return process_packet(data, nh_off, data_end, 1, ctx);  in balancer_ingress()