165     pid_t pid, ip_xmit_attr_t *ixa);
168 		    ip_xmit_attr_t *ixa);
928 			ip_xmit_attr_t	*ixa;  in udp_icmp_input()  local
936 			ixa = conn_get_ixa(connp, B_FALSE);  in udp_icmp_input()
937 			if (ixa == NULL || ixa->ixa_ire == NULL) {  in udp_icmp_input()
942 				if (ixa != NULL)  in udp_icmp_input()
943 					ixa_refrele(ixa);  in udp_icmp_input()
946 			(void) ip_get_pmtu(ixa);  in udp_icmp_input()
950 			if (ixa->ixa_flags & IXAF_PMTU_IPV4_DF) {  in udp_icmp_input()
958 			ixa_refrele(ixa);  in udp_icmp_input()
1616 	ip_xmit_attr_t	*ixa = coa->coa_ixa;  in udp_do_opt_set()  local
1679 				ip_xmit_attr_replace_tsl(ixa, newcr->cr_label);  in udp_do_opt_set()
1680 				ixa->ixa_flags |= IXAF_UCRED_TSL;  in udp_do_opt_set()
1993 udp_prepend_hdr(conn_t *connp, ip_xmit_attr_t *ixa, const ip_pkt_t *ipp,  in udp_prepend_hdr()  argument
2011 	mp = conn_prepend_hdr(ixa, ipp, v6src, v6dst, IPPROTO_UDP, flowinfo,  in udp_prepend_hdr()
2019 	ixa->ixa_pktlen = data_len + ixa->ixa_ip_hdr_length;  in udp_prepend_hdr()
2021 	udpha = (udpha_t *)(mp->b_rptr + ixa->ixa_ip_hdr_length);  in udp_prepend_hdr()
2043 	if (ixa->ixa_flags & IXAF_IS_IPV4) {  in udp_prepend_hdr()
2046 		ASSERT(ntohs(ipha->ipha_length) == ixa->ixa_pktlen);  in udp_prepend_hdr()
2060 		ASSERT(ntohs(ip6h->ip6_plen) + IPV6_HDR_LEN == ixa->ixa_pktlen);  in udp_prepend_hdr()
2607 	ip_xmit_attr_t	*ixa;  in udp_output_ancillary()  local
2627 	ixa = conn_get_ixa_exclusive(connp);  in udp_output_ancillary()
2628 	if (ixa == NULL) {  in udp_output_ancillary()
2634 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_ancillary()
2635 	ixa->ixa_cred = cr;  in udp_output_ancillary()
2636 	ixa->ixa_cpid = pid;  in udp_output_ancillary()
2639 		ip_xmit_attr_restore_tsl(ixa, ixa->ixa_cred);  in udp_output_ancillary()
2643 	ip_attr_newdst(ixa);  in udp_output_ancillary()
2648 		ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_ancillary()
2649 		ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_ancillary()
2650 		ixa->ixa_cpid = connp->conn_cpid;  in udp_output_ancillary()
2651 		ixa_refrele(ixa);  in udp_output_ancillary()
2673 	coa->coa_ixa = ixa;  in udp_output_ancillary()
2716 		ixa->ixa_flags &= ~IXAF_SCOPEID_SET;  in udp_output_ancillary()
2717 		ixa->ixa_flags |= IXAF_IS_IPV4;  in udp_output_ancillary()
2726 			ixa->ixa_scopeid = sin6->sin6_scope_id;  in udp_output_ancillary()
2727 			ixa->ixa_flags |= IXAF_SCOPEID_SET;  in udp_output_ancillary()
2729 			ixa->ixa_flags &= ~IXAF_SCOPEID_SET;  in udp_output_ancillary()
2733 			ixa->ixa_flags |= IXAF_IS_IPV4;  in udp_output_ancillary()
2735 			ixa->ixa_flags &= ~IXAF_IS_IPV4;  in udp_output_ancillary()
2755 		if (ixa->ixa_flags & IXAF_IS_IPV4) {  in udp_output_ancillary()
2764 	ip_attr_nexthop(ipp, ixa, &v6dst, &v6nexthop);  in udp_output_ancillary()
2765 	error = ip_attr_connect(connp, ixa, &v6src, &v6dst, &v6nexthop, dstport,  in udp_output_ancillary()
2788 		if (ixa->ixa_ire != NULL) {  in udp_output_ancillary()
2815 		    !((ixa->ixa_flags & IXAF_UCRED_TSL))) {  in udp_output_ancillary()
2833 		error = conn_update_label(connp, ixa, &v6dst, ipp);  in udp_output_ancillary()
2840 	mp = udp_prepend_hdr(connp, ixa, ipp, &v6src, &v6dst, dstport,  in udp_output_ancillary()
2847 	if (ixa->ixa_pktlen > IP_MAXPACKET) {  in udp_output_ancillary()
2856 	DTRACE_UDP5(send, mblk_t *, NULL, ip_xmit_attr_t *, ixa,  in udp_output_ancillary()
2858 	    &mp->b_rptr[ixa->ixa_ip_hdr_length]);  in udp_output_ancillary()
2860 	error = conn_ip_output(mp, ixa);  in udp_output_ancillary()
2866 		(void) ixa_check_drain_insert(connp, ixa);  in udp_output_ancillary()
2891 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_ancillary()
2892 	ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_ancillary()
2893 	ixa->ixa_cpid = connp->conn_cpid;  in udp_output_ancillary()
2894 	ixa_refrele(ixa);  in udp_output_ancillary()
2910 	ip_xmit_attr_t	*ixa;  in udp_output_connected()  local
2916 	ixa = conn_get_ixa(connp, B_FALSE);  in udp_output_connected()
2917 	if (ixa == NULL) {  in udp_output_connected()
2924 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_connected()
2925 	ixa->ixa_cred = cr;  in udp_output_connected()
2926 	ixa->ixa_cpid = pid;  in udp_output_connected()
2929 	mp = udp_prepend_header_template(connp, ixa, mp, &connp->conn_saddr_v6,  in udp_output_connected()
2935 		ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_connected()
2936 		ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_connected()
2937 		ixa->ixa_cpid = connp->conn_cpid;  in udp_output_connected()
2938 		ixa_refrele(ixa);  in udp_output_connected()
2948 	if (ixa->ixa_ire == NULL) {  in udp_output_connected()
2956 		ip_attr_nexthop(&connp->conn_xmit_ipp, ixa, &faddr, &nexthop);  in udp_output_connected()
2959 		error = ip_attr_connect(connp, ixa, &saddr, &faddr, &nexthop,  in udp_output_connected()
2982 			if (ixa->ixa_ire != NULL) {  in udp_output_connected()
2993 			ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_connected()
2994 			ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_connected()
2995 			ixa->ixa_cpid = connp->conn_cpid;  in udp_output_connected()
2996 			ixa_refrele(ixa);  in udp_output_connected()
3005 	ASSERT(ixa->ixa_ire != NULL);  in udp_output_connected()
3010 	DTRACE_UDP5(send, mblk_t *, NULL, ip_xmit_attr_t *, ixa,  in udp_output_connected()
3012 	    &mp->b_rptr[ixa->ixa_ip_hdr_length]);  in udp_output_connected()
3014 	error = conn_ip_output(mp, ixa);  in udp_output_connected()
3020 		(void) ixa_check_drain_insert(connp, ixa);  in udp_output_connected()
3031 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_connected()
3032 	ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_connected()
3033 	ixa->ixa_cpid = connp->conn_cpid;  in udp_output_connected()
3034 	ixa_refrele(ixa);  in udp_output_connected()
3046     ip_xmit_attr_t *ixa)  in udp_output_lastdst()  argument
3053 	ASSERT(ixa != NULL);  in udp_output_lastdst()
3056 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_lastdst()
3057 	ixa->ixa_cred = cr;  in udp_output_lastdst()
3058 	ixa->ixa_cpid = pid;  in udp_output_lastdst()
3060 	mp = udp_prepend_header_template(connp, ixa, mp, &connp->conn_v6lastsrc,  in udp_output_lastdst()
3066 		ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_lastdst()
3067 		ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_lastdst()
3068 		ixa->ixa_cpid = connp->conn_cpid;  in udp_output_lastdst()
3069 		ixa_refrele(ixa);  in udp_output_lastdst()
3079 	if (ixa->ixa_ire == NULL) {  in udp_output_lastdst()
3087 		ip_attr_nexthop(&connp->conn_xmit_ipp, ixa, &lastdst, &nexthop);  in udp_output_lastdst()
3090 		error = ip_attr_connect(connp, ixa, &lastsrc, &lastdst,  in udp_output_lastdst()
3113 			if (ixa->ixa_ire != NULL) {  in udp_output_lastdst()
3124 			ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_lastdst()
3125 			ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_lastdst()
3126 			ixa->ixa_cpid = connp->conn_cpid;  in udp_output_lastdst()
3127 			ixa_refrele(ixa);  in udp_output_lastdst()
3140 	DTRACE_UDP5(send, mblk_t *, NULL, ip_xmit_attr_t *, ixa,  in udp_output_lastdst()
3142 	    &mp->b_rptr[ixa->ixa_ip_hdr_length]);  in udp_output_lastdst()
3144 	error = conn_ip_output(mp, ixa);  in udp_output_lastdst()
3150 		(void) ixa_check_drain_insert(connp, ixa);  in udp_output_lastdst()
3174 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_lastdst()
3175 	ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_lastdst()
3176 	ixa->ixa_cpid = connp->conn_cpid;  in udp_output_lastdst()
3177 	ixa_refrele(ixa);  in udp_output_lastdst()
3191 udp_prepend_header_template(conn_t *connp, ip_xmit_attr_t *ixa, mblk_t *mp,  in udp_prepend_header_template()  argument
3219 	ixa->ixa_pktlen = pktlen;  in udp_prepend_header_template()
3241 	ixa->ixa_ip_hdr_length = ip_hdr_length;  in udp_prepend_header_template()
3260 	if (ixa->ixa_flags & IXAF_IS_IPV4) {  in udp_prepend_header_template()
3556 			ip_xmit_attr_t *ixa;  in udp_wput()  local
3564 			ixa = conn_get_ixa(connp, B_FALSE);  in udp_wput()
3565 			if (ixa == NULL) {  in udp_wput()
3573 			    ipsec_outbound_policy_current(ixa)) {  in udp_wput()
3577 				    pid, ixa);  in udp_wput()
3582 				    sin6, ipversion, cr, pid, ixa);  in udp_wput()
3619 			ip_xmit_attr_t *ixa;  in udp_wput()  local
3627 			ixa = conn_get_ixa(connp, B_FALSE);  in udp_wput()
3628 			if (ixa == NULL) {  in udp_wput()
3635 			    ipsec_outbound_policy_current(ixa)) {  in udp_wput()
3639 				    pid, ixa);  in udp_wput()
3644 				    NULL, ipversion, cr, pid, ixa);  in udp_wput()
3677     ushort_t ipversion, cred_t *cr, pid_t pid, ip_xmit_attr_t *ixa)  in udp_output_newdst()  argument
3691 	ASSERT(ixa != NULL);  in udp_output_newdst()
3699 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_newdst()
3700 	ixa->ixa_cred = cr;  in udp_output_newdst()
3701 	ixa->ixa_cpid = pid;  in udp_output_newdst()
3704 		ip_xmit_attr_restore_tsl(ixa, ixa->ixa_cred);  in udp_output_newdst()
3719 	ip_attr_newdst(ixa);  in udp_output_newdst()
3737 		ixa->ixa_flags &= ~IXAF_SCOPEID_SET;  in udp_output_newdst()
3738 		ixa->ixa_flags |= IXAF_IS_IPV4;  in udp_output_newdst()
3747 			ixa->ixa_scopeid = sin6->sin6_scope_id;  in udp_output_newdst()
3748 			ixa->ixa_flags |= IXAF_SCOPEID_SET;  in udp_output_newdst()
3750 			ixa->ixa_flags &= ~IXAF_SCOPEID_SET;  in udp_output_newdst()
3754 			ixa->ixa_flags |= IXAF_IS_IPV4;  in udp_output_newdst()
3756 			ixa->ixa_flags &= ~IXAF_IS_IPV4;  in udp_output_newdst()
3771 		if (ixa->ixa_flags & IXAF_IS_IPV4) {  in udp_output_newdst()
3780 	ip_attr_nexthop(&connp->conn_xmit_ipp, ixa, &v6dst, &v6nexthop);  in udp_output_newdst()
3783 	error = ip_attr_connect(connp, ixa, &v6src, &v6dst, &v6nexthop, dstport,  in udp_output_newdst()
3805 		if (ixa->ixa_ire != NULL) {  in udp_output_newdst()
3877 		error = conn_update_label(connp, ixa, &v6dst,  in udp_output_newdst()
3903 		if (ixa->ixa_flags & IXAF_IS_IPV4) {  in udp_output_newdst()
3907 			if (ixa->ixa_flags & IXAF_PMTU_IPV4_DF) {  in udp_output_newdst()
3924 	oldixa = conn_replace_ixa(connp, ixa);  in udp_output_newdst()
3929 	connp->conn_lastscopeid = ixa->ixa_scopeid;  in udp_output_newdst()
3934 	data_mp = udp_prepend_header_template(connp, ixa, data_mp, &v6src,  in udp_output_newdst()
3949 	DTRACE_UDP5(send, mblk_t *, NULL, ip_xmit_attr_t *, ixa,  in udp_output_newdst()
3951 	    &data_mp->b_rptr[ixa->ixa_ip_hdr_length]);  in udp_output_newdst()
3953 	error = conn_ip_output(data_mp, ixa);  in udp_output_newdst()
3959 		(void) ixa_check_drain_insert(connp, ixa);  in udp_output_newdst()
3983 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_newdst()
3984 	ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_newdst()
3985 	ixa->ixa_cpid = connp->conn_cpid;  in udp_output_newdst()
3986 	ixa_refrele(ixa);  in udp_output_newdst()
3990 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_output_newdst()
3991 	ixa->ixa_cred = connp->conn_cred;	/* Restore */  in udp_output_newdst()
3992 	ixa->ixa_cpid = connp->conn_cpid;  in udp_output_newdst()
3993 	ixa_refrele(ixa);  in udp_output_newdst()
5539 	ip_xmit_attr_t	*ixa;  in udp_do_connect()  local
5619 	ixa = conn_get_ixa(connp, B_FALSE);  in udp_do_connect()
5620 	if (ixa == NULL)  in udp_do_connect()
5633 		ixa_refrele(ixa);  in udp_do_connect()
5698 	ASSERT(!(ixa->ixa_free_flags & IXA_FREE_CRED));  in udp_do_connect()
5699 	ixa->ixa_cred = cr;  in udp_do_connect()
5700 	ixa->ixa_cpid = pid;  in udp_do_connect()
5703 		ip_xmit_attr_restore_tsl(ixa, ixa->ixa_cred);  in udp_do_connect()
5707 		ixa->ixa_flags |= IXAF_SCOPEID_SET;  in udp_do_connect()
5708 		ixa->ixa_scopeid = scopeid;  in udp_do_connect()
5711 		ixa->ixa_flags &= ~IXAF_SCOPEID_SET;  in udp_do_connect()
5755 	oldixa = conn_replace_ixa(connp, ixa);  in udp_do_connect()
5796 	ixa_refrele(ixa);  in udp_do_connect()
5800 	if (ixa != NULL)  in udp_do_connect()
5801 		ixa_refrele(ixa);  in udp_do_connect()
5912 	ip_xmit_attr_t	*ixa;  in udp_send()  local
6019 			ixa = conn_get_ixa(connp, B_FALSE);  in udp_send()
6020 			if (ixa == NULL) {  in udp_send()
6025 			ixa = NULL;  in udp_send()
6042 				if (ixa != NULL)  in udp_send()
6043 					ixa_refrele(ixa);  in udp_send()
6050 			ASSERT(ixa == NULL);  in udp_send()
6055 		    ipsec_outbound_policy_current(ixa)) {  in udp_send()
6057 			error = udp_output_lastdst(connp, mp, cr, pid, ixa);  in udp_send()
6061 			    ipversion, cr, pid, ixa);  in udp_send()
6082 			ixa = conn_get_ixa(connp, B_FALSE);  in udp_send()
6083 			if (ixa == NULL) {  in udp_send()
6088 			ixa = NULL;  in udp_send()
6103 				if (ixa != NULL)  in udp_send()
6104 					ixa_refrele(ixa);  in udp_send()
6110 			ASSERT(ixa == NULL);  in udp_send()
6114 		    ipsec_outbound_policy_current(ixa)) {  in udp_send()
6116 			error = udp_output_lastdst(connp, mp, cr, pid, ixa);  in udp_send()
6120 			    ipversion, cr, pid, ixa);  in udp_send()