1264 	tcph_t	*tcph;  in tcp_connect()  local
1329 	tcph = tcp->tcp_tcph;  in tcp_connect()
1330 	*(uint16_t *)tcph->th_fport = dstport;  in tcp_connect()
1435 	tcph_t		*tcph;  in tcp_accept_comm()  local
1492 		tcph = (tcph_t *)&cr_pkt->b_rptr[ip_hdr_len];  in tcp_accept_comm()
1496 	bcopy(tcph->th_lport, acceptor->tcp_tcph->th_fport, sizeof (in_port_t));  in tcp_accept_comm()
1504 		acceptor->tcp_lport = *(in_port_t *)tcph->th_fport;  in tcp_accept_comm()
1505 		bcopy(tcph->th_fport, acceptor->tcp_tcph->th_lport,  in tcp_accept_comm()
1526 	tcp_process_options(acceptor, tcph);  in tcp_accept_comm()
1530 	    (tcph->th_flags[0] & (TH_ECE|TH_CWR)) == (TH_ECE|TH_CWR)) {  in tcp_accept_comm()
1801 	tcpha_t *tcph;  in tcp_verify_cksum()  local
1806 	tcph = (tcpha_t *)(iph + 1);  in tcp_verify_cksum()
1814 	old_sum = tcph->tha_sum;  in tcp_verify_cksum()
1815 	tcph->tha_sum = 0;  in tcp_verify_cksum()
1828 tcp_lookup_ipv4(struct ip *iph, tcpha_t *tcph, int min_state, int *sock_id)  in tcp_lookup_ipv4()  argument
1836 			if (tcph->tha_lport == tcp->tcp_fport &&  in tcp_lookup_ipv4()
1837 			    tcph->tha_fport == tcp->tcp_lport &&  in tcp_lookup_ipv4()
1849 		if (tcph->tha_lport == tcp->tcp_fport &&  in tcp_lookup_ipv4()
1850 		    tcph->tha_fport == tcp->tcp_lport &&  in tcp_lookup_ipv4()
1885 tcp_lookup_eager_ipv4(tcp_t *listener, struct ip *iph, tcpha_t *tcph)  in tcp_lookup_eager_ipv4()  argument
1894 		if (tcph->tha_lport == tcp->tcp_fport &&  in tcp_lookup_eager_ipv4()
1895 		    tcph->tha_fport == tcp->tcp_lport &&  in tcp_lookup_eager_ipv4()
1904 		if (tcph->tha_lport == tcp->tcp_fport &&  in tcp_lookup_eager_ipv4()
1905 		    tcph->tha_fport == tcp->tcp_lport &&  in tcp_lookup_eager_ipv4()
2020 tcp_parse_options(tcph_t *tcph, tcp_opt_t *tcpopt)  in tcp_parse_options()  argument
2025 	uchar_t		*up = (uchar_t *)tcph;  in tcp_parse_options()
2031 	endp = up + TCP_HDR_LENGTH(tcph);  in tcp_parse_options()
2230 tcp_process_options(tcp_t *tcp, tcph_t *tcph)  in tcp_process_options()  argument
2238 	options = tcp_parse_options(tcph, &tcpopt);  in tcp_process_options()
2363 tcp_paws_check(tcp_t *tcp, tcph_t *tcph, tcp_opt_t *tcpoptp)  in tcp_paws_check()  argument
2369 	flags = (unsigned int)tcph->th_flags[0] & 0xFF;  in tcp_paws_check()
2375 	if (TCP_HDR_LENGTH(tcph) == (uint32_t)TCP_MIN_HEADER_LENGTH +  in tcp_paws_check()
2377 	    OK_32PTR((up = ((uint8_t *)tcph) +  in tcp_paws_check()
2390 		options = tcp_parse_options(tcph, tcpoptp);  in tcp_paws_check()
2616 	tcpha_t		*tcph;  in tcp_rput_data()  local
2657 	tcph = (tcpha_t *)&rptr[ip_hdr_len];  in tcp_rput_data()
2658 	seg_seq = ntohl(tcph->tha_seq);  in tcp_rput_data()
2659 	seg_ack = ntohl(tcph->tha_ack);  in tcp_rput_data()
2662 	    (ip_hdr_len + TCP_HDR_LENGTH(((tcph_t *)tcph)));  in tcp_rput_data()
2680 	    tcph->tha_lport != tcp->tcp_fport ||  in tcp_rput_data()
2681 	    tcph->tha_fport != tcp->tcp_lport ||  in tcp_rput_data()
2697 		if ((tcp1 = tcp_lookup_ipv4(iph, tcph, TCPS_SYN_SENT,  in tcp_rput_data()
2700 		    tcph->tha_fport, &sock_id)) != NULL) {  in tcp_rput_data()
2703 				    iph, tcph)) == NULL) {  in tcp_rput_data()
2738 	flags = tcph->tha_flags & 0xFF;  in tcp_rput_data()
2742 		    seg_len, (tcph_t *)tcph, sock_id);  in tcp_rput_data()
2837 		tcp_process_options(tcp, (tcph_t *)tcph);  in tcp_rput_data()
2891 			new_swnd = BE16_TO_U16(((tcph_t *)tcph)->th_win);  in tcp_rput_data()
2944 	mp->b_rptr = (uchar_t *)tcph + TCP_HDR_LENGTH((tcph_t *)tcph);  in tcp_rput_data()
2945 	new_swnd = ntohs(tcph->tha_win) <<  in tcp_rput_data()
2950 		if (!tcp_paws_check(tcp, (tcph_t *)tcph, &tcpopt)) {  in tcp_rput_data()
2966 		(void) tcp_parse_options((tcph_t *)tcph, &tcpopt);  in tcp_rput_data()
4805 		tcph_t		*tcph;  in tcp_wput_data()  local
4854 		tcph = tcp->tcp_tcph;  in tcp_wput_data()
4858 			tcph->th_flags[0] = TH_ACK;  in tcp_wput_data()
4860 			tcph->th_flags[0] = (TH_ACK | TH_PUSH);  in tcp_wput_data()
4862 		U32_TO_ABE32(snxt, tcph->th_seq);  in tcp_wput_data()
4978 				(char *)tcph+TCP_MIN_HEADER_LENGTH+4);  in tcp_wput_data()
4980 			    (char *)tcph+TCP_MIN_HEADER_LENGTH+8);  in tcp_wput_data()
5014 		tcph = (tcph_t *)(rptr + tcp->tcp_ip_hdr_len);  in tcp_wput_data()
5025 				tcph->th_flags[0] |= TH_ECE;  in tcp_wput_data()
5027 				tcph->th_flags[0] |= TH_CWR;  in tcp_wput_data()
5052 			tcph->th_offset_and_rsrvd[0] += ((num_sack_blk * 2 + 1)  in tcp_wput_data()
5201     uint32_t seg_seq, uint32_t seg_ack, int seg_len, tcph_t *tcph,  in tcp_time_wait_processing()  argument
5219 	flags = (unsigned int)tcph->th_flags[0] & 0xFF;  in tcp_time_wait_processing()
5220 	new_swnd = BE16_TO_U16(tcph->th_win) <<  in tcp_time_wait_processing()
5221 	    ((tcph->th_flags[0] & TH_SYN) ? 0 : tcp->tcp_snd_ws);  in tcp_time_wait_processing()
5223 		if (!tcp_paws_check(tcp, tcph, &tcpopt)) {  in tcp_time_wait_processing()
5465 	tcph_t		*tcph;  in tcp_header_init_ipv4()  local
5500 	tcph = (tcph_t *)(tcp->tcp_iphc + sizeof (struct ip));  in tcp_header_init_ipv4()
5501 	tcp->tcp_tcph = tcph;  in tcp_header_init_ipv4()
5502 	tcph->th_offset_and_rsrvd[0] = (5 << 4);  in tcp_header_init_ipv4()
5517 	tcph_t		*tcph;  in tcp_xmit_ctl()  local
5528 		tcph = (tcph_t *)(rptr + ip_hdr_len);  in tcp_xmit_ctl()
5530 		if (tcph->th_flags[0] & TH_RST) {  in tcp_xmit_ctl()
5557 	tcph = (tcph_t *)&rptr[tcp_ip_hdr_len];  in tcp_xmit_ctl()
5558 	tcph->th_flags[0] = (uint8_t)ctl;  in tcp_xmit_ctl()
5570 			tcph->th_offset_and_rsrvd[0] -= (3 << 4);  in tcp_xmit_ctl()
5578 			    (char *)tcph+TCP_MIN_HEADER_LENGTH+4);  in tcp_xmit_ctl()
5580 			    (char *)tcph+TCP_MIN_HEADER_LENGTH+8);  in tcp_xmit_ctl()
5587 	U32_TO_BE32(seq, tcph->th_seq);  in tcp_xmit_ctl()
5588 	U32_TO_BE32(ack, tcph->th_ack);  in tcp_xmit_ctl()
5618 		tcph_t	*tcph;  in tcp_ack_mp()  local
5647 		tcph = (tcph_t *)&rptr[tcp->tcp_ip_hdr_len];  in tcp_ack_mp()
5658 		    tcp->tcp_suna : tcp->tcp_snxt, tcph->th_seq);  in tcp_ack_mp()
5661 		tcph->th_flags[0] = (uchar_t)TH_ACK;  in tcp_ack_mp()
5663 			tcph->th_flags[0] |= TH_ECE;  in tcp_ack_mp()
5673 			    (char *)tcph+TCP_MIN_HEADER_LENGTH+4);  in tcp_ack_mp()
5675 			    (char *)tcph+TCP_MIN_HEADER_LENGTH+8);  in tcp_ack_mp()
5680 			uchar_t *wptr = (uchar_t *)tcph + tcp->tcp_tcp_hdr_len;  in tcp_ack_mp()
5698 			tcph->th_offset_and_rsrvd[0] += ((num_sack_blk * 2 + 1)  in tcp_ack_mp()
5735 	tcph_t	*tcph;  in tcp_xmit_mp()  local
5810 	tcph = (tcph_t *)&rptr[tcp->tcp_ip_hdr_len];  in tcp_xmit_mp()
5811 	U32_TO_ABE32(seq, tcph->th_seq);  in tcp_xmit_mp()
5869 			tcph->th_offset_and_rsrvd[0] += (1 << 4);  in tcp_xmit_mp()
5889 					tcph->th_offset_and_rsrvd[0] +=  in tcp_xmit_mp()
5908 					tcph->th_offset_and_rsrvd[0] +=  in tcp_xmit_mp()
5919 					tcph->th_offset_and_rsrvd[0] +=  in tcp_xmit_mp()
5941 				    tcph->th_offset_and_rsrvd[0] += (1 << 4);  in tcp_xmit_mp()
5951 					tcph->th_offset_and_rsrvd[0] +=  in tcp_xmit_mp()
5996 	tcph->th_flags[0] = (uchar_t)flags;  in tcp_xmit_mp()
6005 			    (char *)tcph+TCP_MIN_HEADER_LENGTH+4);  in tcp_xmit_mp()
6007 			    (char *)tcph+TCP_MIN_HEADER_LENGTH+8);  in tcp_xmit_mp()
6012 		uchar_t *wptr = (uchar_t *)tcph + tcp->tcp_tcp_hdr_len;  in tcp_xmit_mp()
6030 		tcph->th_offset_and_rsrvd[0] += ((num_sack_blk * 2 + 1) << 4);  in tcp_xmit_mp()
6075 	tcph_t		*tcph;  in tcp_xmit_listeners_reset()  local
6082 	tcph = (tcph_t *)&rptr[ip_hdr_len];  in tcp_xmit_listeners_reset()
6083 	seg_seq = BE32_TO_U32(tcph->th_seq);  in tcp_xmit_listeners_reset()
6084 	seg_ack = BE32_TO_U32(tcph->th_ack);  in tcp_xmit_listeners_reset()
6085 	flags = tcph->th_flags[0];  in tcp_xmit_listeners_reset()
6087 	seg_len = msgdsize(mp) - (TCP_HDR_LENGTH(tcph) + ip_hdr_len);  in tcp_xmit_listeners_reset()
6125 	tcph_t		*tcph;  in tcp_xmit_early_reset()  local
6157 	tcph = (tcph_t *)&mp->b_rptr[ip_hdr_len];  in tcp_xmit_early_reset()
6158 	if (tcph->th_flags[0] & TH_RST) {  in tcp_xmit_early_reset()
6179 	tcph = (tcph_t *)&mp->b_rptr[ip_hdr_len];  in tcp_xmit_early_reset()
6181 	tcph->th_offset_and_rsrvd[0] = (5 << 4);  in tcp_xmit_early_reset()
6182 	tcp_xchg(tcph->th_fport, tcph->th_lport, 2);  in tcp_xmit_early_reset()
6183 	U32_TO_BE32(ack, tcph->th_ack);  in tcp_xmit_early_reset()
6184 	U32_TO_BE32(seq, tcph->th_seq);  in tcp_xmit_early_reset()
6185 	U16_TO_BE16(0, tcph->th_win);  in tcp_xmit_early_reset()
6186 	bzero(tcph->th_sum, sizeof (int16_t));  in tcp_xmit_early_reset()
6187 	tcph->th_flags[0] = (uint8_t)ctl;  in tcp_xmit_early_reset()
6213 	tcpha_t *tcph;  in tcp_set_cksum()  local
6217 	tcph = (tcpha_t *)(iph + 1);  in tcp_set_cksum()
6224 	tcph->tha_sum = 0;  in tcp_set_cksum()
6225 	tcph->tha_sum = tcp_cksum((uint16_t *)&(iph->ip_ttl),  in tcp_set_cksum()