430 	udp_stack_t *us = udp->udp_us;  in udp_get_next_priv_port()  local
433 	if (next_priv_port < us->us_min_anonpriv_port ||  in udp_get_next_priv_port()
459 	udp_stack_t	*us = udp->udp_us;  in udp_bind_hash_remove()  local
471 		lockp = &us->us_bind_fanout[UDP_BIND_HASH(connp->conn_lport,  in udp_bind_hash_remove()
472 		    us->us_bind_fanout_size)].uf_lock;  in udp_bind_hash_remove()
834 	udp_stack_t *us;  in udp_do_disconnect()  local
838 	us = udp->udp_us;  in udp_do_disconnect()
844 	udpf = &us->us_bind_fanout[UDP_BIND_HASH(connp->conn_lport,  in udp_do_disconnect()
845 	    us->us_bind_fanout_size)];  in udp_do_disconnect()
1134 	udp_stack_t	*us = udp->udp_us;  in udp_icmp_error_ipv6()  local
1193 			UDPS_BUMP_MIB(us, udpInErrors);  in udp_icmp_error_ipv6()
1558 	udp_stack_t *us = udp->udp_us;  in udp_opt_default()  local
1581 			*i1 = us->us_ipv6_hoplimit;  in udp_opt_default()
1684 	udp_stack_t	*us = udp->udp_us;  in udp_do_opt_set()  local
1699 			if (*i1 > us->us_max_buf) {  in udp_do_opt_set()
1704 			if (*i1 > us->us_max_buf) {  in udp_do_opt_set()
1807 	udp_stack_t	*us = udp->udp_us;  in udp_opt_set()  local
2026 		wroff = connp->conn_ht_iphc_allocated + us->us_wroff_extra;  in udp_opt_set()
2065 	udp_stack_t	*us = connp->conn_netstack->netstack_udp;  in udp_prepend_hdr()  local
2078 	    ulp_hdr_len, data_mp, data_len, us->us_wroff_extra, &cksum, errorp);  in udp_prepend_hdr()
2115 		if (us->us_do_checksum) {  in udp_prepend_hdr()
2271 	udp_stack_t		*us;  in udp_input()  local
2307 	us = udp->udp_us;  in udp_input()
2490 			    IPCL_ZONEID(connp), us->us_netstack);  in udp_input()
2504 			    us->us_netstack);  in udp_input()
2528 	UDPS_BUMP_MIB(us, udpHCInDatagrams);  in udp_input()
2536 	UDPS_BUMP_MIB(us, udpInErrors);  in udp_input()
2623 	udp_stack_t *us = udp->udp_us;  in udp_update_next_port()  local
2637 		if ((port < us->us_smallest_anon_port) ||  in udp_update_next_port()
2638 		    (port > us->us_largest_anon_port)) {  in udp_update_next_port()
2639 			if (us->us_smallest_anon_port ==  in udp_update_next_port()
2640 			    us->us_largest_anon_port) {  in udp_update_next_port()
2643 				bump = port % (us->us_largest_anon_port -  in udp_update_next_port()
2644 				    us->us_smallest_anon_port);  in udp_update_next_port()
2647 			port = us->us_smallest_anon_port + bump;  in udp_update_next_port()
2652 	if (port < us->us_smallest_anon_port)  in udp_update_next_port()
2653 		port = us->us_smallest_anon_port;  in udp_update_next_port()
2655 	if (port > us->us_largest_anon_port) {  in udp_update_next_port()
2656 		port = us->us_smallest_anon_port;  in udp_update_next_port()
2662 	if (port < us->us_smallest_nonpriv_port)  in udp_update_next_port()
2663 		port = us->us_smallest_nonpriv_port;  in udp_update_next_port()
2665 	for (i = 0; i < us->us_num_epriv_ports; i++) {  in udp_update_next_port()
2666 		if (port == us->us_epriv_ports[i]) {  in udp_update_next_port()
2698 	udp_stack_t	*us = udp->udp_us;  in udp_output_ancillary()  local
2722 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2745 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2753 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2789 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2893 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2909 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2929 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2937 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2942 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_ancillary()
2947 	UDPS_BUMP_MIB(us, udpHCOutDatagrams);  in udp_output_ancillary()
3001 	udp_stack_t	*us = udp->udp_us;  in udp_output_connected()  local
3011 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_connected()
3032 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_connected()
3091 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_connected()
3101 	UDPS_BUMP_MIB(us, udpHCOutDatagrams);  in udp_output_connected()
3142 	udp_stack_t	*us = udp->udp_us;  in udp_output_lastdst()  local
3163 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_lastdst()
3222 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_lastdst()
3231 	UDPS_BUMP_MIB(us, udpHCOutDatagrams);  in udp_output_lastdst()
3288 	udp_stack_t	*us = udp->udp_us;  in udp_prepend_header_template()  local
3319 		mp1 = allocb(alloclen + us->us_wroff_extra, BPRI_MED);  in udp_prepend_header_template()
3359 		if (us->us_do_checksum)  in udp_prepend_header_template()
3471 	udp_stack_t	*us = udp->udp_us;  in udp_wput()  local
3487 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_wput()
3488 			UDP_DBGSTAT(us, udp_data_notconn);  in udp_wput()
3489 			UDP_STAT(us, udp_out_err_notconn);  in udp_wput()
3502 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_wput()
3507 		UDP_DBGSTAT(us, udp_data_conn);  in udp_wput()
3510 			UDP_STAT(us, udp_out_err_output);  in udp_wput()
3603 			UDP_DBGSTAT(us, udp_out_ipv6);  in udp_wput()
3626 			UDP_DBGSTAT(us, udp_out_mapped);  in udp_wput()
3645 			UDP_STAT(us, udp_out_opt);  in udp_wput()
3667 				UDP_DBGSTAT(us, udp_out_lastdst);  in udp_wput()
3672 				UDP_DBGSTAT(us, udp_out_diffdst);  in udp_wput()
3692 		UDP_DBGSTAT(us, udp_out_ipv4);  in udp_wput()
3708 			UDP_STAT(us, udp_out_opt);  in udp_wput()
3729 				UDP_DBGSTAT(us, udp_out_lastdst);  in udp_wput()
3734 				UDP_DBGSTAT(us, udp_out_diffdst);  in udp_wput()
3747 	UDP_STAT(us, udp_out_err_output);  in udp_wput()
3754 	UDPS_BUMP_MIB(us, udpOutErrors);  in udp_wput()
3756 	UDP_STAT(us, udp_out_err_output);  in udp_wput()
3777 	udp_stack_t	*us = udp->udp_us;  in udp_output_newdst()  local
4040 	UDPS_BUMP_MIB(us, udpHCOutDatagrams);  in udp_output_newdst()
4089 	UDPS_BUMP_MIB(us, udpOutErrors);  in udp_output_newdst()
4090 	UDP_STAT(us, udp_out_err_output);  in udp_output_newdst()
4458 	udp_stack_t	*us;  in udp_stack_init()  local
4464 	us = (udp_stack_t *)kmem_zalloc(sizeof (*us), KM_SLEEP);  in udp_stack_init()
4465 	us->us_netstack = ns;  in udp_stack_init()
4467 	mutex_init(&us->us_epriv_port_lock, NULL, MUTEX_DEFAULT, NULL);  in udp_stack_init()
4468 	us->us_num_epriv_ports = UDP_NUM_EPRIV_PORTS;  in udp_stack_init()
4469 	us->us_epriv_ports[0] = ULP_DEF_EPRIV_PORT1;  in udp_stack_init()
4470 	us->us_epriv_ports[1] = ULP_DEF_EPRIV_PORT2;  in udp_stack_init()
4476 	us->us_min_anonpriv_port = 512;  in udp_stack_init()
4478 	us->us_bind_fanout_size = udp_bind_fanout_size;  in udp_stack_init()
4481 	if (!ISP2(us->us_bind_fanout_size)) {  in udp_stack_init()
4484 			if (us->us_bind_fanout_size < (1 << i))  in udp_stack_init()
4487 		us->us_bind_fanout_size = 1 << i;  in udp_stack_init()
4489 	us->us_bind_fanout = kmem_zalloc(us->us_bind_fanout_size *  in udp_stack_init()
4491 	for (i = 0; i < us->us_bind_fanout_size; i++) {  in udp_stack_init()
4492 		mutex_init(&us->us_bind_fanout[i].uf_lock, NULL, MUTEX_DEFAULT,  in udp_stack_init()
4497 	us->us_propinfo_tbl = (mod_prop_info_t *)kmem_alloc(arrsz,  in udp_stack_init()
4499 	bcopy(udp_propinfo_tbl, us->us_propinfo_tbl, arrsz);  in udp_stack_init()
4503 	us->us_sc_cnt = MAX(ncpus, boot_ncpus);  in udp_stack_init()
4505 	us->us_sc = kmem_zalloc(max_ncpus  * sizeof (udp_stats_cpu_t *),  in udp_stack_init()
4507 	for (i = 0; i < us->us_sc_cnt; i++) {  in udp_stack_init()
4508 		us->us_sc[i] = kmem_zalloc(sizeof (udp_stats_cpu_t),  in udp_stack_init()
4512 	us->us_kstat = udp_kstat2_init(stackid);  in udp_stack_init()
4513 	us->us_mibkp = udp_kstat_init(stackid);  in udp_stack_init()
4516 	error = ldi_ident_from_major(major, &us->us_ldi_ident);  in udp_stack_init()
4518 	return (us);  in udp_stack_init()
4527 	udp_stack_t *us = (udp_stack_t *)arg;  in udp_stack_fini()  local
4530 	for (i = 0; i < us->us_bind_fanout_size; i++) {  in udp_stack_fini()
4531 		mutex_destroy(&us->us_bind_fanout[i].uf_lock);  in udp_stack_fini()
4534 	kmem_free(us->us_bind_fanout, us->us_bind_fanout_size *  in udp_stack_fini()
4537 	us->us_bind_fanout = NULL;  in udp_stack_fini()
4539 	for (i = 0; i < us->us_sc_cnt; i++)  in udp_stack_fini()
4540 		kmem_free(us->us_sc[i], sizeof (udp_stats_cpu_t));  in udp_stack_fini()
4541 	kmem_free(us->us_sc, max_ncpus * sizeof (udp_stats_cpu_t *));  in udp_stack_fini()
4543 	kmem_free(us->us_propinfo_tbl,  in udp_stack_fini()
4545 	us->us_propinfo_tbl = NULL;  in udp_stack_fini()
4547 	udp_kstat_fini(stackid, us->us_mibkp);  in udp_stack_fini()
4548 	us->us_mibkp = NULL;  in udp_stack_fini()
4550 	udp_kstat2_fini(stackid, us->us_kstat);  in udp_stack_fini()
4551 	us->us_kstat = NULL;  in udp_stack_fini()
4553 	mutex_destroy(&us->us_epriv_port_lock);  in udp_stack_fini()
4554 	ldi_ident_release(us->us_ldi_ident);  in udp_stack_fini()
4555 	kmem_free(us, sizeof (*us));  in udp_stack_fini()
4561 	udp_stack_t *us = udp->udp_us;  in udp_set_rcv_hiwat()  local
4565 	if (size > us->us_max_buf)  in udp_set_rcv_hiwat()
4566 		size = us->us_max_buf;  in udp_set_rcv_hiwat()
4608 udp_stack_cpu_add(udp_stack_t *us, processorid_t cpu_seqid)  in udp_stack_cpu_add()  argument
4612 	if (cpu_seqid < us->us_sc_cnt)  in udp_stack_cpu_add()
4614 	for (i = us->us_sc_cnt; i <= cpu_seqid; i++) {  in udp_stack_cpu_add()
4615 		ASSERT(us->us_sc[i] == NULL);  in udp_stack_cpu_add()
4616 		us->us_sc[i] = kmem_zalloc(sizeof (udp_stats_cpu_t),  in udp_stack_cpu_add()
4620 	us->us_sc_cnt = cpu_seqid + 1;  in udp_stack_cpu_add()
4634 	udp_stack_t 	*us;  in udp_do_open()  local
4644 	us = ns->netstack_udp;  in udp_do_open()
4645 	ASSERT(us != NULL);  in udp_do_open()
4687 		connp->conn_default_ttl = us->us_ipv6_hoplimit;  in udp_do_open()
4693 		connp->conn_default_ttl = us->us_ipv4_ttl;  in udp_do_open()
4716 	udp->udp_us = us;  in udp_do_open()
4718 	connp->conn_rcvbuf = us->us_recv_hiwat;  in udp_do_open()
4719 	connp->conn_sndbuf = us->us_xmit_hiwat;  in udp_do_open()
4720 	connp->conn_sndlowat = us->us_xmit_lowat;  in udp_do_open()
4723 	connp->conn_wroff = len + us->us_wroff_extra;  in udp_do_open()
4741 	if (us->us_pmtu_discovery)  in udp_do_open()
4752 	udp_stack_t	*us;  in udp_create()  local
4773 	us = udp->udp_us;  in udp_create()
4774 	ASSERT(us != NULL);  in udp_create()
4927 	udp_stack_t	*us = udp->udp_us;  in udp_do_bind()  local
5008 			    us->us_next_port_to_try, B_TRUE);  in udp_do_bind()
5018 		if (port < us->us_smallest_nonpriv_port) {  in udp_do_bind()
5021 			for (i = 0; i < us->us_num_epriv_ports; i++) {  in udp_do_bind()
5022 				if (port == us->us_epriv_ports[i]) {  in udp_do_bind()
5120 		loopmax = IPPORT_RESERVED - us->us_min_anonpriv_port;  in udp_do_bind()
5122 		loopmax = us->us_largest_anon_port -  in udp_do_bind()
5123 		    us->us_smallest_anon_port + 1;  in udp_do_bind()
5138 		udpf = &us->us_bind_fanout[UDP_BIND_HASH(lport,  in udp_do_bind()
5139 		    us->us_bind_fanout_size)];  in udp_do_bind()
5343 				    us->us_next_port_to_try, B_TRUE);  in udp_do_bind()
5403 		us->us_next_port_to_try = port + 1;  in udp_do_bind()
5445 		    IPV6_VERSION, &v6src, us->us_netstack->netstack_ip);  in udp_do_bind()
5559 	udpf = &us->us_bind_fanout[  in udp_do_bind()
5561 	    us->us_bind_fanout_size)];  in udp_do_bind()
5655 	udp_stack_t	*us = udp->udp_us;  in udp_do_unbind()  local
5682 	udpf = &us->us_bind_fanout[UDP_BIND_HASH(connp->conn_lport,  in udp_do_unbind()
5683 	    us->us_bind_fanout_size)];  in udp_do_unbind()
5725 	udp_stack_t	*us;  in udp_do_connect()  local
5736 	us = udp->udp_us;  in udp_do_connect()
5827 	udpf = &us->us_bind_fanout[UDP_BIND_HASH(connp->conn_lport,  in udp_do_connect()
5828 	    us->us_bind_fanout_size)];  in udp_do_connect()
6098 	udp_stack_t	*us = udp->udp_us;  in udp_send()  local
6125 			UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6134 		if (us->us_sendto_ignerr)  in udp_send()
6140 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6146 		UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6169 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6177 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6190 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6210 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6230 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6253 		if (us->us_sendto_ignerr)  in udp_send()
6273 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6291 				UDPS_BUMP_MIB(us, udpOutErrors);  in udp_send()
6312 		if (us->us_sendto_ignerr)  in udp_send()
6583 		udp_stack_t *us = connp->conn_udp->udp_us;  in udp_ioctl()  local
6585 		ASSERT(us->us_ldi_ident != NULL);  in udp_ioctl()
6590 		error = ip_create_helper_stream(connp, us->us_ldi_ident);  in udp_ioctl()