328 	int payload_len, pkt_size, flag, i;  in send_flags()  local
332 	pkt_size = total_hdr_len + payload_len;  in send_flags()
347 			write_packet(fd, flag_buf, pkt_size, daddr);  in send_flags()
499 	int pkt_size = total_hdr_len + PAYLOAD_LEN;  in send_changed_checksum()  local
502 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_checksum()
506 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_checksum()
514 	int pkt_size = total_hdr_len + PAYLOAD_LEN;  in send_changed_seq()  local
517 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_seq()
523 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_seq()
533 	int pkt_size = total_hdr_len + PAYLOAD_LEN + TCPOLEN_TSTAMP_APPA;  in send_changed_ts()  local
537 	write_packet(fd, extpkt, pkt_size, daddr);  in send_changed_ts()
541 	write_packet(fd, extpkt, pkt_size, daddr);  in send_changed_ts()
545 	write_packet(fd, extpkt, pkt_size, daddr);  in send_changed_ts()
549 	write_packet(fd, extpkt, pkt_size, daddr);  in send_changed_ts()
553 	write_packet(fd, extpkt, pkt_size, daddr);  in send_changed_ts()
751 	int pkt_size = total_hdr_len + PAYLOAD_LEN + optlen;  in send_ip_options()  local
758 	write_packet(fd, optpkt, pkt_size, daddr);  in send_ip_options()
769 	int pkt_size = total_hdr_len + PAYLOAD_LEN;  in send_fragment4()  local
772 	write_packet(fd, buf, pkt_size, daddr);  in send_fragment4()
786 	write_packet(fd, buf, pkt_size, daddr);  in send_fragment4()
792 	int pkt_size = total_hdr_len + PAYLOAD_LEN;  in send_changed_ttl()  local
797 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_ttl()
803 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_ttl()
809 	int pkt_size = total_hdr_len + PAYLOAD_LEN;  in send_changed_tos()  local
815 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_tos()
825 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_tos()
831 	int pkt_size = total_hdr_len + PAYLOAD_LEN;  in send_changed_ECN()  local
836 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_ECN()
846 	write_packet(fd, buf, pkt_size, daddr);  in send_changed_ECN()
918 	int pkt_size = -1;  in check_recv_pkts()  local
930 		pkt_size = recv(fd, buffer, IP_MAXPACKET + ETH_HLEN + 1, 0);  in check_recv_pkts()
931 		if (pkt_size < 0)  in check_recv_pkts()
945 		data_len = pkt_size - total_hdr_len - tcp_ext_len - ip_ext_len;  in check_recv_pkts()
950 		if (pkt_size == ETH_ZLEN && iph->version == 4) {  in check_recv_pkts()