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Lines Matching defs:tcp2

735 	struct tcphdr *tcp, *tcp2;
766 	if (sizeof(*tcp2) + hlen > MHLEN) {
776 	m->m_len = sizeof(*tcp2) + hlen;
785 	bzero((char *)ip, sizeof(*tcp2) + hlen);
786 	tcp2 = (struct tcphdr *)((char *)ip + hlen);
787 	tcp2->th_sport = tcp->th_dport;
788 	tcp2->th_dport = tcp->th_sport;
791 		tcp2->th_seq = tcp->th_ack;
792 		tcp2->th_flags = TH_RST;
793 		tcp2->th_ack = 0;
795 		tcp2->th_seq = 0;
796 		tcp2->th_ack = ntohl(tcp->th_seq);
797 		tcp2->th_ack += tlen;
798 		tcp2->th_ack = htonl(tcp2->th_ack);
799 		tcp2->th_flags = TH_RST|TH_ACK;
801 	tcp2->th_x2 = 0;
802 	TCP_OFF_A(tcp2, sizeof(*tcp2) >> 2);
803 	tcp2->th_win = tcp->th_win;
804 	tcp2->th_sum = 0;
805 	tcp2->th_urp = 0;
815 		tcp2->th_sum = in6_cksum(m, IPPROTO_TCP,
816 					 sizeof(*ip6), sizeof(*tcp2));
825 	tcp2->th_sum = in_cksum(m, hlen + sizeof(*tcp2));
826 	ip->ip_len = hlen + sizeof(*tcp2);