264 static int build_ipv4_header(uint8_t *buf, int payload_len)  in build_ipv4_header()  argument
272 		htons(sizeof(*iph) + sizeof(struct udphdr) + payload_len);  in build_ipv4_header()
282 static int build_udp_packet(uint8_t *buf, int payload_len, bool csum_off)  in build_udp_packet()  argument
286 	int len = sizeof(*udph) + payload_len;  in build_udp_packet()
293 	memset(buf + sizeof(struct udphdr), PKT_DATA, payload_len);  in build_udp_packet()
303 	return sizeof(*udph) + payload_len;  in build_udp_packet()
306 size_t build_test_packet_valid_udp_gso(uint8_t *buf, size_t payload_len)  in build_test_packet_valid_udp_gso()  argument
320 	cur += build_ipv4_header(cur, payload_len);  in build_test_packet_valid_udp_gso()
321 	cur += build_udp_packet(cur, payload_len, true);  in build_test_packet_valid_udp_gso()
326 size_t build_test_packet_valid_udp_csum(uint8_t *buf, size_t payload_len)  in build_test_packet_valid_udp_csum()  argument
336 	cur += build_ipv4_header(cur, payload_len);  in build_test_packet_valid_udp_csum()
337 	cur += build_udp_packet(cur, payload_len, false);  in build_test_packet_valid_udp_csum()
343 						     size_t payload_len)  in build_test_packet_crash_tap_invalid_eth_proto()  argument
356 	cur += build_ipv4_header(cur, payload_len);  in build_test_packet_crash_tap_invalid_eth_proto()
357 	cur += build_udp_packet(cur, payload_len, true);  in build_test_packet_crash_tap_invalid_eth_proto()
358 	cur += payload_len;  in build_test_packet_crash_tap_invalid_eth_proto()