447 	udp_stack_t *us = udp->udp_us;  in udp_get_next_priv_port()  local
450 	if (next_priv_port < us->us_min_anonpriv_port ||  in udp_get_next_priv_port()
476 	udp_stack_t	*us = udp->udp_us;  in udp_bind_hash_remove()  local
488 		lockp = &us->us_bind_fanout[UDP_BIND_HASH(connp->conn_lport,  in udp_bind_hash_remove()
489 		    us->us_bind_fanout_size)].uf_lock;  in udp_bind_hash_remove()
852 	udp_stack_t *us;  in udp_do_disconnect()  local
856 	us = udp->udp_us;  in udp_do_disconnect()
862 	udpf = &us->us_bind_fanout[UDP_BIND_HASH(connp->conn_lport,  in udp_do_disconnect()
863 	    us->us_bind_fanout_size)];  in udp_do_disconnect()
1152 	udp_stack_t	*us = udp->udp_us;  in udp_icmp_error_ipv6()  local
1211 			UDPS_BUMP_MIB(us, udpInErrors);  in udp_icmp_error_ipv6()
1576 	udp_stack_t *us = udp->udp_us;  in udp_opt_default()  local
1599 			*i1 = us->us_ipv6_hoplimit;  in udp_opt_default()
1707 	udp_stack_t	*us = udp->udp_us;  in udp_do_opt_set()  local
1722 			if (*i1 > us->us_max_buf) {  in udp_do_opt_set()
1727 			if (*i1 > us->us_max_buf) {  in udp_do_opt_set()
1850 	udp_stack_t	*us = udp->udp_us;  in udp_opt_set()  local
2069 		wroff = connp->conn_ht_iphc_allocated + us->us_wroff_extra;  in udp_opt_set()
2108 	udp_stack_t	*us = connp->conn_netstack->netstack_udp;  in udp_prepend_hdr()  local
2133 	    ulp_hdr_len, data_mp, data_len, us->us_wroff_extra, &cksum, errorp);  in udp_prepend_hdr()
2174 		if (us->us_do_checksum) {  in udp_prepend_hdr()
2330 	udp_stack_t		*us;  in udp_input()  local
2335 	us = udp->udp_us;  in udp_input()
2389 			UDPS_BUMP_MIB(us, udpInErrors);  in udp_input()
2452 			UDPS_BUMP_MIB(us, udpInErrors);  in udp_input()
2501 			UDPS_BUMP_MIB(us, udpInErrors);  in udp_input()
2526 			    IPCL_ZONEID(connp), us->us_netstack);  in udp_input()
2540 			    us->us_netstack);  in udp_input()
2564 	UDPS_BUMP_MIB(us, udpHCInDatagrams);  in udp_input()
2570 	UDPS_BUMP_MIB(us, udpInErrors);  in udp_input()
2655 	udp_stack_t *us = udp->udp_us;  in udp_update_next_port()  local
2669 		if ((port < us->us_smallest_anon_port) ||  in udp_update_next_port()
2670 		    (port > us->us_largest_anon_port)) {  in udp_update_next_port()
2671 			if (us->us_smallest_anon_port ==  in udp_update_next_port()
2672 			    us->us_largest_anon_port) {  in udp_update_next_port()
2675 				bump = port % (us->us_largest_anon_port -  in udp_update_next_port()
2676 				    us->us_smallest_anon_port);  in udp_update_next_port()
2679 			port = us->us_smallest_anon_port + bump;  in udp_update_next_port()
2684 	if (port < us->us_smallest_anon_port)  in udp_update_next_port()
2685 		port = us->us_smallest_anon_port;  in udp_update_next_port()
2687 	if (port > us->us_largest_anon_port) {  in udp_update_next_port()
2688 		port = us->us_smallest_anon_port;  in udp_update_next_port()
2694 	if (port < us->us_smallest_nonpriv_port)  in udp_update_next_port()
2695 		port = us->us_smallest_nonpriv_port;  in udp_update_next_port()
2697 	for (i = 0; i < us->us_num_epriv_ports; i++) {  in udp_update_next_port()
2698 		if (port == us->us_epriv_ports[i]) {  in udp_update_next_port()
2730 	udp_stack_t	*us = udp->udp_us;  in udp_output_ancillary()  local
2754 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2777 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2785 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2821 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2925 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2941 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2961 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2969 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2974 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2979 	UDPS_BUMP_MIB(us, udpHCOutDatagrams);  in udp_output_ancillary()
3033 	udp_stack_t	*us = udp->udp_us;  in udp_output_connected()  local
3043 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_connected()
3064 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_connected()
3123 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_connected()
3133 	UDPS_BUMP_MIB(us, udpHCOutDatagrams);  in udp_output_connected()
3174 	udp_stack_t	*us = udp->udp_us;  in udp_output_lastdst()  local
3195 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_lastdst()
3254 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_lastdst()
3263 	UDPS_BUMP_MIB(us, udpHCOutDatagrams);  in udp_output_lastdst()
3320 	udp_stack_t	*us = udp->udp_us;  in udp_prepend_header_template()  local
3363 		mp1 = allocb(alloclen + us->us_wroff_extra, BPRI_MED);  in udp_prepend_header_template()
3403 		if (us->us_do_checksum)  in udp_prepend_header_template()
3518 	udp_stack_t	*us = udp->udp_us;  in udp_wput()  local
3534 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_wput()
3535 			UDP_DBGSTAT(us, udp_data_notconn);  in udp_wput()
3536 			UDP_STAT(us, udp_out_err_notconn);  in udp_wput()
3549 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_wput()
3554 		UDP_DBGSTAT(us, udp_data_conn);  in udp_wput()
3557 			UDP_STAT(us, udp_out_err_output);  in udp_wput()
3650 			UDP_DBGSTAT(us, udp_out_ipv6);  in udp_wput()
3673 			UDP_DBGSTAT(us, udp_out_mapped);  in udp_wput()
3692 			UDP_STAT(us, udp_out_opt);  in udp_wput()
3714 				UDP_DBGSTAT(us, udp_out_lastdst);  in udp_wput()
3719 				UDP_DBGSTAT(us, udp_out_diffdst);  in udp_wput()
3739 		UDP_DBGSTAT(us, udp_out_ipv4);  in udp_wput()
3755 			UDP_STAT(us, udp_out_opt);  in udp_wput()
3776 				UDP_DBGSTAT(us, udp_out_lastdst);  in udp_wput()
3781 				UDP_DBGSTAT(us, udp_out_diffdst);  in udp_wput()
3794 	UDP_STAT(us, udp_out_err_output);  in udp_wput()
3801 	UDPS_BUMP_MIB(us, udpOutErrors);  in udp_wput()
3803 	UDP_STAT(us, udp_out_err_output);  in udp_wput()
3825 	udp_stack_t	*us = udp->udp_us;  in udp_output_newdst()  local
4098 	UDPS_BUMP_MIB(us, udpHCOutDatagrams);  in udp_output_newdst()
4147 	UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_newdst()
4148 	UDP_STAT(us, udp_out_err_output);  in udp_output_newdst()
4517 	udp_stack_t	*us;  in udp_stack_init()  local
4523 	us = (udp_stack_t *)kmem_zalloc(sizeof (*us), KM_SLEEP);  in udp_stack_init()
4524 	us->us_netstack = ns;  in udp_stack_init()
4526 	mutex_init(&us->us_epriv_port_lock, NULL, MUTEX_DEFAULT, NULL);  in udp_stack_init()
4527 	us->us_num_epriv_ports = UDP_NUM_EPRIV_PORTS;  in udp_stack_init()
4528 	us->us_epriv_ports[0] = ULP_DEF_EPRIV_PORT1;  in udp_stack_init()
4529 	us->us_epriv_ports[1] = ULP_DEF_EPRIV_PORT2;  in udp_stack_init()
4535 	us->us_min_anonpriv_port = 512;  in udp_stack_init()
4537 	us->us_bind_fanout_size = udp_bind_fanout_size;  in udp_stack_init()
4540 	if (!ISP2(us->us_bind_fanout_size)) {  in udp_stack_init()
4543 			if (us->us_bind_fanout_size < (1 << i))  in udp_stack_init()
4546 		us->us_bind_fanout_size = 1 << i;  in udp_stack_init()
4548 	us->us_bind_fanout = kmem_zalloc(us->us_bind_fanout_size *  in udp_stack_init()
4550 	for (i = 0; i < us->us_bind_fanout_size; i++) {  in udp_stack_init()
4551 		mutex_init(&us->us_bind_fanout[i].uf_lock, NULL, MUTEX_DEFAULT,  in udp_stack_init()
4556 	us->us_propinfo_tbl = (mod_prop_info_t *)kmem_alloc(arrsz,  in udp_stack_init()
4558 	bcopy(udp_propinfo_tbl, us->us_propinfo_tbl, arrsz);  in udp_stack_init()
4562 	us->us_sc_cnt = MAX(ncpus, boot_ncpus);  in udp_stack_init()
4564 	us->us_sc = kmem_zalloc(max_ncpus  * sizeof (udp_stats_cpu_t *),  in udp_stack_init()
4566 	for (i = 0; i < us->us_sc_cnt; i++) {  in udp_stack_init()
4567 		us->us_sc[i] = kmem_zalloc(sizeof (udp_stats_cpu_t),  in udp_stack_init()
4571 	us->us_kstat = udp_kstat2_init(stackid);  in udp_stack_init()
4572 	us->us_mibkp = udp_kstat_init(stackid);  in udp_stack_init()
4575 	error = ldi_ident_from_major(major, &us->us_ldi_ident);  in udp_stack_init()
4577 	return (us);  in udp_stack_init()
4586 	udp_stack_t *us = (udp_stack_t *)arg;  in udp_stack_fini()  local
4589 	for (i = 0; i < us->us_bind_fanout_size; i++) {  in udp_stack_fini()
4590 		mutex_destroy(&us->us_bind_fanout[i].uf_lock);  in udp_stack_fini()
4593 	kmem_free(us->us_bind_fanout, us->us_bind_fanout_size *  in udp_stack_fini()
4596 	us->us_bind_fanout = NULL;  in udp_stack_fini()
4598 	for (i = 0; i < us->us_sc_cnt; i++)  in udp_stack_fini()
4599 		kmem_free(us->us_sc[i], sizeof (udp_stats_cpu_t));  in udp_stack_fini()
4600 	kmem_free(us->us_sc, max_ncpus * sizeof (udp_stats_cpu_t *));  in udp_stack_fini()
4602 	kmem_free(us->us_propinfo_tbl,  in udp_stack_fini()
4604 	us->us_propinfo_tbl = NULL;  in udp_stack_fini()
4606 	udp_kstat_fini(stackid, us->us_mibkp);  in udp_stack_fini()
4607 	us->us_mibkp = NULL;  in udp_stack_fini()
4609 	udp_kstat2_fini(stackid, us->us_kstat);  in udp_stack_fini()
4610 	us->us_kstat = NULL;  in udp_stack_fini()
4612 	mutex_destroy(&us->us_epriv_port_lock);  in udp_stack_fini()
4613 	ldi_ident_release(us->us_ldi_ident);  in udp_stack_fini()
4614 	kmem_free(us, sizeof (*us));  in udp_stack_fini()
4620 	udp_stack_t *us = udp->udp_us;  in udp_set_rcv_hiwat()  local
4624 	if (size > us->us_max_buf)  in udp_set_rcv_hiwat()
4625 		size = us->us_max_buf;  in udp_set_rcv_hiwat()
4669 udp_stack_cpu_add(udp_stack_t *us, processorid_t cpu_seqid)  in udp_stack_cpu_add()  argument
4673 	if (cpu_seqid < us->us_sc_cnt)  in udp_stack_cpu_add()
4675 	for (i = us->us_sc_cnt; i <= cpu_seqid; i++) {  in udp_stack_cpu_add()
4676 		ASSERT(us->us_sc[i] == NULL);  in udp_stack_cpu_add()
4677 		us->us_sc[i] = kmem_zalloc(sizeof (udp_stats_cpu_t),  in udp_stack_cpu_add()
4681 	us->us_sc_cnt = cpu_seqid + 1;  in udp_stack_cpu_add()
4695 	udp_stack_t	*us;  in udp_do_open()  local
4705 	us = ns->netstack_udp;  in udp_do_open()
4706 	ASSERT(us != NULL);  in udp_do_open()
4748 		connp->conn_default_ttl = us->us_ipv6_hoplimit;  in udp_do_open()
4754 		connp->conn_default_ttl = us->us_ipv4_ttl;  in udp_do_open()
4777 	udp->udp_us = us;  in udp_do_open()
4779 	connp->conn_rcvbuf = us->us_recv_hiwat;  in udp_do_open()
4780 	connp->conn_sndbuf = us->us_xmit_hiwat;  in udp_do_open()
4781 	connp->conn_sndlowat = us->us_xmit_lowat;  in udp_do_open()
4784 	connp->conn_wroff = len + us->us_wroff_extra;  in udp_do_open()
4802 	if (us->us_pmtu_discovery)  in udp_do_open()
4813 	udp_stack_t	*us;  in udp_create()  local
4834 	us = udp->udp_us;  in udp_create()
4835 	ASSERT(us != NULL);  in udp_create()
4987 	udp_stack_t	*us = udp->udp_us;  in udp_do_bind()  local
5069 			    us->us_next_port_to_try, B_TRUE);  in udp_do_bind()
5079 		if (port < us->us_smallest_nonpriv_port) {  in udp_do_bind()
5082 			for (i = 0; i < us->us_num_epriv_ports; i++) {  in udp_do_bind()
5083 				if (port == us->us_epriv_ports[i]) {  in udp_do_bind()
5163 		loopmax = IPPORT_RESERVED - us->us_min_anonpriv_port;  in udp_do_bind()
5165 		loopmax = us->us_largest_anon_port -  in udp_do_bind()
5166 		    us->us_smallest_anon_port + 1;  in udp_do_bind()
5181 		udpf = &us->us_bind_fanout[UDP_BIND_HASH(lport,  in udp_do_bind()
5182 		    us->us_bind_fanout_size)];  in udp_do_bind()
5312 				    us->us_next_port_to_try, B_TRUE);  in udp_do_bind()
5372 		us->us_next_port_to_try = port + 1;  in udp_do_bind()
5414 		    IPV6_VERSION, &v6src, us->us_netstack->netstack_ip);  in udp_do_bind()
5528 	udpf = &us->us_bind_fanout[  in udp_do_bind()
5530 	    us->us_bind_fanout_size)];  in udp_do_bind()
5623 	udp_stack_t	*us = udp->udp_us;  in udp_do_unbind()  local
5650 	udpf = &us->us_bind_fanout[UDP_BIND_HASH(connp->conn_lport,  in udp_do_unbind()
5651 	    us->us_bind_fanout_size)];  in udp_do_unbind()
5692 	udp_stack_t	*us;  in udp_do_connect()  local
5703 	us = udp->udp_us;  in udp_do_connect()
5798 	udpf = &us->us_bind_fanout[UDP_BIND_HASH(connp->conn_lport,  in udp_do_connect()
5799 	    us->us_bind_fanout_size)];  in udp_do_connect()
6069 	udp_stack_t	*us = udp->udp_us;  in udp_send()  local
6096 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6105 		if (us->us_sendto_ignerr)  in udp_send()
6111 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6117 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6140 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6148 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6161 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6181 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6201 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6224 		if (us->us_sendto_ignerr)  in udp_send()
6244 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6262 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6283 		if (us->us_sendto_ignerr)  in udp_send()
6554 		udp_stack_t *us = connp->conn_udp->udp_us;  in udp_ioctl()  local
6556 		ASSERT(us->us_ldi_ident != NULL);  in udp_ioctl()
6561 		error = ip_create_helper_stream(connp, us->us_ldi_ident);  in udp_ioctl()