101 	conn_t	*connp = Q_TO_CONN(q);  in tcp_wput()  local
109 	ASSERT(connp->conn_ref >= 2);  in tcp_wput()
113 		tcp = connp->conn_tcp;  in tcp_wput()
120 		if (TCP_UNSENT_BYTES(tcp) > connp->conn_sndbuf) {  in tcp_wput()
125 		CONN_INC_REF(connp);  in tcp_wput()
126 		SQUEUE_ENTER_ONE(connp->conn_sqp, mp, tcp_output, connp,  in tcp_wput()
139 		tcp = connp->conn_tcp;  in tcp_wput()
144 			if (connp->conn_debug) {  in tcp_wput()
188 		tcp = connp->conn_tcp;  in tcp_wput()
210 	CONN_INC_REF(connp);  in tcp_wput()
211 	SQUEUE_ENTER_ONE(connp->conn_sqp, mp, output_proc, connp,  in tcp_wput()
236 	conn_t		*connp = tcp->tcp_connp;  in tcp_wput_data()  local
265 			if (connp->conn_debug) {  in tcp_wput_data()
280 		    TCP_UNSENT_BYTES(tcp) <= connp->conn_sndlowat) {  in tcp_wput_data()
380 		total_hdr_len = connp->conn_ht_iphc_len + opt_len;  in tcp_wput_data()
381 		tcp_hdr_len = connp->conn_ht_ulp_len + opt_len;  in tcp_wput_data()
384 		total_hdr_len = connp->conn_ht_iphc_len;  in tcp_wput_data()
385 		tcp_hdr_len = connp->conn_ht_ulp_len;  in tcp_wput_data()
571 		if (TCP_UNSENT_BYTES(tcp) <= connp->conn_sndlowat) {  in tcp_wput_data()
574 	} else if (TCP_UNSENT_BYTES(tcp) >= connp->conn_sndbuf) {  in tcp_wput_data()
593 	conn_t			*connp = Q_TO_CONN(wq);  in tcp_wput_sock()  local
594 	tcp_t			*tcp = connp->conn_tcp;  in tcp_wput_sock()
600 	ASSERT(IPCL_IS_TCP(connp));  in tcp_wput_sock()
632 	conn_t	*connp = (conn_t *)arg;  in tcp_wput_nondata()  local
633 	tcp_t	*tcp = connp->conn_tcp;  in tcp_wput_nondata()
660 		ip_wput_nondata(connp->conn_wq, mp);  in tcp_wput_nondata()
671 	conn_t	*connp = tcp->tcp_connp;  in tcp_wput_flush()  local
672 	queue_t	*q = connp->conn_wq;  in tcp_wput_flush()
737 	conn_t		*connp = tcp->tcp_connp;  in tcp_wput_iocdata()  local
738 	queue_t		*q = connp->conn_wq;  in tcp_wput_iocdata()
751 		mutex_enter(&connp->conn_lock);  in tcp_wput_iocdata()
752 		if (connp->conn_state_flags & CONN_CLOSING) {  in tcp_wput_iocdata()
753 			mutex_exit(&connp->conn_lock);  in tcp_wput_iocdata()
761 		CONN_INC_IOCTLREF_LOCKED(connp);  in tcp_wput_iocdata()
763 		CONN_DEC_IOCTLREF(connp);  in tcp_wput_iocdata()
791 	if (connp->conn_family == AF_INET)  in tcp_wput_iocdata()
818 		(void) conn_getsockname(connp, (struct sockaddr *)mp1->b_wptr,  in tcp_wput_iocdata()
822 		(void) conn_getpeername(connp, (struct sockaddr *)mp1->b_wptr,  in tcp_wput_iocdata()
839 	conn_t		*connp = (conn_t *)arg;  in tcp_wput_ioctl()  local
840 	tcp_t		*tcp = connp->conn_tcp;  in tcp_wput_ioctl()
841 	queue_t		*q = connp->conn_wq;  in tcp_wput_ioctl()
854 	ASSERT((connp->conn_fanout != NULL && connp->conn_ref >= 4) ||  in tcp_wput_ioctl()
855 	    (connp->conn_fanout == NULL && connp->conn_ref >= 3));  in tcp_wput_ioctl()
886 	mutex_enter(&(connp)->conn_lock);  in tcp_wput_ioctl()
887 	if ((connp)->conn_state_flags & CONN_CLOSING) {  in tcp_wput_ioctl()
888 		mutex_exit(&(connp)->conn_lock);  in tcp_wput_ioctl()
896 	CONN_INC_IOCTLREF_LOCKED(connp);  in tcp_wput_ioctl()
898 	CONN_DEC_IOCTLREF(connp);  in tcp_wput_ioctl()
908 	conn_t		*connp = (conn_t *)arg;  in tcp_wput_proto()  local
909 	tcp_t		*tcp = connp->conn_tcp;  in tcp_wput_proto()
924 	ASSERT((connp->conn_fanout != NULL && connp->conn_ref >= 4) ||  in tcp_wput_proto()
925 	    (connp->conn_fanout == NULL && connp->conn_ref >= 3));  in tcp_wput_proto()
932 			tcp_output_urgent(connp, mp, arg2, NULL);  in tcp_wput_proto()
943 		if (connp->conn_debug) {  in tcp_wput_proto()
1003 			svr4_optcom_req(connp->conn_wq, mp, cr, &tcp_opt_obj);  in tcp_wput_proto()
1005 			tpi_optcom_req(connp->conn_wq, mp, cr, &tcp_opt_obj);  in tcp_wput_proto()
1023 			if (connp->conn_debug) {  in tcp_wput_proto()
1037 		if (connp->conn_debug) {  in tcp_wput_proto()
1059 	conn_t	*connp = Q_TO_CONN(q);  in tcp_wput_cmdblk()  local
1060 	tcp_t	*tcp = connp->conn_tcp;  in tcp_wput_cmdblk()
1076 			cmdp->cb_error = conn_getpeername(connp, data,  in tcp_wput_cmdblk()
1080 		cmdp->cb_error = conn_getsockname(connp, data, &cmdp->cb_len);  in tcp_wput_cmdblk()
1112 	conn_t		*connp = (conn_t *)arg;  in tcp_output()  local
1113 	tcp_t		*tcp = connp->conn_tcp;  in tcp_output()
1128 	ASSERT((connp->conn_fanout != NULL && connp->conn_ref >= 4) ||  in tcp_output()
1129 	    (connp->conn_fanout == NULL && connp->conn_ref >= 3));  in tcp_output()
1230 	    TCP_UNSENT_BYTES(tcp) <= connp->conn_sndlowat) {  in tcp_output()
1283 	sum = len + connp->conn_ht_ulp_len + connp->conn_sum;  in tcp_output()
1300 	plen = len + connp->conn_ht_iphc_len;  in tcp_output()
1302 	ixa = connp->conn_ixa;  in tcp_output()
1312 	hdrlen = connp->conn_ht_iphc_len;  in tcp_output()
1338 		ASSERT(connp->conn_ht_ulp_len == TCP_MIN_HEADER_LENGTH);  in tcp_output()
1343 	src = (ipaddr_t *)connp->conn_ht_iphc;  in tcp_output()
1381 		connp->conn_ixa->ixa_flags |= IXAF_REACH_CONF;  in tcp_output()
1383 		connp->conn_ixa->ixa_flags &= ~IXAF_REACH_CONF;  in tcp_output()
1408 	conn_t *connp = (conn_t *)arg;  in tcp_output_urgent()  local
1409 	tcp_t *tcp = connp->conn_tcp;  in tcp_output_urgent()
1436 		ASSERT(!IPCL_IS_NONSTR(connp));  in tcp_output_urgent()
1462 	conn_t	*connp = (conn_t *)arg;  in tcp_close_output()  local
1463 	tcp_t	*tcp = connp->conn_tcp;  in tcp_close_output()
1472 	ASSERT((connp->conn_fanout != NULL &&  in tcp_close_output()
1473 	    connp->conn_ref >= (IPCL_IS_NONSTR(connp) ? 3 : 4)) ||  in tcp_close_output()
1474 	    (connp->conn_fanout == NULL &&  in tcp_close_output()
1475 	    connp->conn_ref >= (IPCL_IS_NONSTR(connp) ? 2 : 3)));  in tcp_close_output()
1484 		tcp_eager_cleanup(tcp, IPCL_IS_NONSTR(connp) ? 1 : 0);  in tcp_close_output()
1498 			ASSERT(IPCL_IS_NONSTR(connp));  in tcp_close_output()
1531 		if (connp->conn_linger && connp->conn_lingertime == 0) {  in tcp_close_output()
1551 			ASSERT(IPCL_IS_NONSTR(connp));  in tcp_close_output()
1577 		if (connp->conn_linger && connp->conn_lingertime > 0 &&  in tcp_close_output()
1589 				    connp->conn_lingertime * MILLISEC);  in tcp_close_output()
1634 			ASSERT(connp->conn_ref >=  in tcp_close_output()
1635 			    (IPCL_IS_NONSTR(connp) ? 2 : 3));  in tcp_close_output()
1648 		ASSERT(connp->conn_ref >= (IPCL_IS_NONSTR(connp) ? 2 : 3));  in tcp_close_output()
1664 	CONN_DEC_REF(connp);  in tcp_close_output()
1665 	ASSERT(connp->conn_ref >= (IPCL_IS_NONSTR(connp) ? 1 : 2));  in tcp_close_output()
1679 		connp->conn_rq = NULL;  in tcp_close_output()
1680 		connp->conn_wq = NULL;  in tcp_close_output()
1683 		if (IPCL_IS_NONSTR(connp)) {  in tcp_close_output()
1684 			sock_upcalls_t *upcalls = connp->conn_upcalls;  in tcp_close_output()
1685 			sock_upper_handle_t handle = connp->conn_upper_handle;  in tcp_close_output()
1696 			mutex_enter(&connp->conn_lock);  in tcp_close_output()
1697 			connp->conn_upper_handle = NULL;  in tcp_close_output()
1698 			connp->conn_upcalls = NULL;  in tcp_close_output()
1699 			mutex_exit(&connp->conn_lock);  in tcp_close_output()
1715 	conn_t	*connp = (conn_t *)arg;  in tcp_shutdown_output()  local
1716 	tcp_t	*tcp = connp->conn_tcp;  in tcp_shutdown_output()
1728 		if (connp->conn_debug) {  in tcp_shutdown_output()
1742 	conn_t		*connp = tcp->tcp_connp;  in tcp_send_data()  local
1760 	DTRACE_TCP5(send, mblk_t *, NULL, ip_xmit_attr_t *, connp->conn_ixa,  in tcp_send_data()
1763 	    &mp->b_rptr[connp->conn_ixa->ixa_ip_hdr_length]);  in tcp_send_data()
1765 	ASSERT(connp->conn_ixa->ixa_notify_cookie == connp->conn_tcp);  in tcp_send_data()
1766 	(void) conn_ip_output(mp, connp->conn_ixa);  in tcp_send_data()
1809 	conn_t		*connp = tcp->tcp_connp;  in tcp_send()  local
1810 	ip_xmit_attr_t	*ixa = connp->conn_ixa;  in tcp_send()
1927 			sum = len + tcp_hdr_len + connp->conn_sum;  in tcp_send()
2086 			mp1 = allocb(connp->conn_ht_iphc_allocated +  in tcp_send()
2192 				if (connp->conn_ipversion == IPV4_VERSION) {  in tcp_send()
2261 	conn_t		*connp = tcp->tcp_connp;  in tcp_xmit_end()  local
2330 	if (connp->conn_ipversion == IPV4_VERSION) {  in tcp_xmit_end()
2331 		if (connp->conn_faddr_v4 !=  tcp->tcp_ipha->ipha_dst) {  in tcp_xmit_end()
2334 		(void) dce_update_uinfo_v4(connp->conn_faddr_v4, &uinfo, ipst);  in tcp_xmit_end()
2338 		if (!(IN6_ARE_ADDR_EQUAL(&connp->conn_faddr_v6,  in tcp_xmit_end()
2343 		if (IN6_IS_ADDR_LINKSCOPE(&connp->conn_faddr_v6)) {  in tcp_xmit_end()
2344 			ip_xmit_attr_t *ixa = connp->conn_ixa;  in tcp_xmit_end()
2358 		(void) dce_update_uinfo(&connp->conn_faddr_v6, ifindex, &uinfo,  in tcp_xmit_end()
2380 	conn_t		*connp = tcp->tcp_connp;  in tcp_xmit_ctl()  local
2381 	ip_xmit_attr_t	*ixa = connp->conn_ixa;  in tcp_xmit_ctl()
2386 	sum = connp->conn_ht_ulp_len + connp->conn_sum;  in tcp_xmit_ctl()
2387 	total_hdr_len = connp->conn_ht_iphc_len;  in tcp_xmit_ctl()
2391 	if (str != NULL && connp->conn_debug) {  in tcp_xmit_ctl()
2396 	mp = allocb(connp->conn_ht_iphc_allocated + tcps->tcps_wroff_xtra,  in tcp_xmit_ctl()
2404 	bcopy(connp->conn_ht_iphc, rptr, total_hdr_len);  in tcp_xmit_ctl()
2430 			if (connp->conn_ipversion == IPV4_VERSION) {  in tcp_xmit_ctl()
2516     ip_recv_attr_t *ira, ip_stack_t *ipst, conn_t *connp)  in tcp_xmit_early_reset()  argument
2546 	if (connp != NULL) {  in tcp_xmit_early_reset()
2547 		ASSERT(connp->conn_on_sqp);  in tcp_xmit_early_reset()
2549 		ixa = conn_get_ixa_exclusive(connp);  in tcp_xmit_early_reset()
2754     conn_t *connp)  in tcp_xmit_listeners_reset()  argument
2822 		    ira, ipst, connp);  in tcp_xmit_listeners_reset()
2840 		    seg_seq + seg_len, TH_RST | TH_ACK, ira, ipst, connp);  in tcp_xmit_listeners_reset()
2849 tcp_xmit_mp_aux_iss(tcp_t *tcp, conn_t *connp, tcpha_t *tcpha, mblk_t *mp,  in tcp_xmit_mp_aux_iss()  argument
2890 	u1 = tcp->tcp_initial_pmtu - (connp->conn_ipversion == IPV4_VERSION ?  in tcp_xmit_mp_aux_iss()
3028 	u1 += connp->conn_sum;  in tcp_xmit_mp_aux_iss()
3105 	conn_t		*connp = tcp->tcp_connp;  in tcp_xmit_mp()  local
3106 	ip_xmit_attr_t	*ixa = connp->conn_ixa;  in tcp_xmit_mp()
3109 	mp1 = allocb(connp->conn_ht_iphc_allocated + tcps->tcps_wroff_xtra,  in tcp_xmit_mp()
3184 	mp1->b_wptr = rptr + connp->conn_ht_iphc_len + sack_opt_len;  in tcp_xmit_mp()
3185 	bcopy(connp->conn_ht_iphc, rptr, connp->conn_ht_iphc_len);  in tcp_xmit_mp()
3229 			tcp_xmit_mp_aux_iss(tcp, connp, tcpha, mp1, &flags);  in tcp_xmit_mp()
3270 		uchar_t *wptr = (uchar_t *)tcpha + connp->conn_ht_ulp_len;  in tcp_xmit_mp()
3334 	data_length += connp->conn_sum;  in tcp_xmit_mp()
3339 		connp->conn_ixa->ixa_flags |= IXAF_REACH_CONF;  in tcp_xmit_mp()
3341 		connp->conn_ixa->ixa_flags &= ~IXAF_REACH_CONF;  in tcp_xmit_mp()
3733 	conn_t *connp = tcp->tcp_connp;  in tcp_fill_header()  local
3741 	tcpha = (tcpha_t *)(rptr + connp->conn_ixa->ixa_ip_hdr_length);  in tcp_fill_header()
3745 	src = (uint32_t *)connp->conn_ht_iphc;  in tcp_fill_header()
3746 	hdrlen = connp->conn_ht_iphc_len;  in tcp_fill_header()
3755 		ASSERT(connp->conn_ht_ulp_len == TCP_MIN_HEADER_LENGTH);  in tcp_fill_header()
3800 		uchar_t *wptr = rptr + connp->conn_ht_iphc_len;  in tcp_fill_header()