1c0dd49bdSEiji Ota /*
216e76cddSagiri  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
3c0dd49bdSEiji Ota  */
416e76cddSagiri 
5c0dd49bdSEiji Ota /*
616e76cddSagiri  * This file contains code imported from the OFED rds source file af_rds.c
716e76cddSagiri  * Oracle elects to have and use the contents of af_rds.c under and governed
816e76cddSagiri  * by the OpenIB.org BSD license (see below for full license text). However,
916e76cddSagiri  * the following notice accompanied the original version of this file:
10c0dd49bdSEiji Ota  */
11c0dd49bdSEiji Ota 
12c0dd49bdSEiji Ota /*
13c0dd49bdSEiji Ota  * Copyright (c) 2006 Oracle.  All rights reserved.
14c0dd49bdSEiji Ota  *
15c0dd49bdSEiji Ota  * This software is available to you under a choice of one of two
16c0dd49bdSEiji Ota  * licenses.  You may choose to be licensed under the terms of the GNU
17c0dd49bdSEiji Ota  * General Public License (GPL) Version 2, available from the file
18c0dd49bdSEiji Ota  * COPYING in the main directory of this source tree, or the
19c0dd49bdSEiji Ota  * OpenIB.org BSD license below:
20c0dd49bdSEiji Ota  *
21c0dd49bdSEiji Ota  *     Redistribution and use in source and binary forms, with or
22c0dd49bdSEiji Ota  *     without modification, are permitted provided that the following
23c0dd49bdSEiji Ota  *     conditions are met:
24c0dd49bdSEiji Ota  *
25c0dd49bdSEiji Ota  *      - Redistributions of source code must retain the above
26c0dd49bdSEiji Ota  *        copyright notice, this list of conditions and the following
27c0dd49bdSEiji Ota  *        disclaimer.
28c0dd49bdSEiji Ota  *
29c0dd49bdSEiji Ota  *      - Redistributions in binary form must reproduce the above
30c0dd49bdSEiji Ota  *        copyright notice, this list of conditions and the following
31c0dd49bdSEiji Ota  *        disclaimer in the documentation and/or other materials
32c0dd49bdSEiji Ota  *        provided with the distribution.
33c0dd49bdSEiji Ota  *
34c0dd49bdSEiji Ota  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35c0dd49bdSEiji Ota  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
36c0dd49bdSEiji Ota  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37c0dd49bdSEiji Ota  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
38c0dd49bdSEiji Ota  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
39c0dd49bdSEiji Ota  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
40c0dd49bdSEiji Ota  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
41c0dd49bdSEiji Ota  * SOFTWARE.
42c0dd49bdSEiji Ota  *
43c0dd49bdSEiji Ota  */
44c0dd49bdSEiji Ota #include <sys/types.h>
45c0dd49bdSEiji Ota #include <sys/stat.h>
46c0dd49bdSEiji Ota #include <sys/conf.h>
47c0dd49bdSEiji Ota #include <sys/ddi.h>
48c0dd49bdSEiji Ota #include <sys/sunddi.h>
49c0dd49bdSEiji Ota #include <sys/modctl.h>
50c0dd49bdSEiji Ota #include <sys/rds.h>
51c0dd49bdSEiji Ota #include <sys/stropts.h>
52c0dd49bdSEiji Ota #include <sys/socket.h>
53c0dd49bdSEiji Ota #include <sys/socketvar.h>
54c0dd49bdSEiji Ota #include <sys/sockio.h>
55c0dd49bdSEiji Ota #include <sys/sysmacros.h>
56c0dd49bdSEiji Ota 
57c0dd49bdSEiji Ota #include <inet/ip.h>
58c0dd49bdSEiji Ota #include <net/if_types.h>
59c0dd49bdSEiji Ota 
60c0dd49bdSEiji Ota #include <sys/ib/clients/rdsv3/rdsv3.h>
61c0dd49bdSEiji Ota #include <sys/ib/clients/rdsv3/rdma.h>
62c0dd49bdSEiji Ota #include <sys/ib/clients/rdsv3/rdma_transport.h>
63c0dd49bdSEiji Ota #include <sys/ib/clients/rdsv3/rdsv3_debug.h>
64c0dd49bdSEiji Ota 
65c0dd49bdSEiji Ota extern void rdsv3_remove_bound(struct rdsv3_sock *rds);
66c0dd49bdSEiji Ota extern int rdsv3_verify_bind_address(ipaddr_t addr);
67c0dd49bdSEiji Ota 
68c0dd49bdSEiji Ota extern ddi_taskq_t	*rdsv3_taskq;
69c0dd49bdSEiji Ota extern struct rdma_cm_id *rdsv3_rdma_listen_id;
70c0dd49bdSEiji Ota 
71c0dd49bdSEiji Ota /* this is just used for stats gathering :/ */
72c0dd49bdSEiji Ota kmutex_t rdsv3_sock_lock;
73c0dd49bdSEiji Ota static unsigned long rdsv3_sock_count;
74c0dd49bdSEiji Ota list_t rdsv3_sock_list;
75c0dd49bdSEiji Ota 
76c0dd49bdSEiji Ota /*
77c0dd49bdSEiji Ota  * This is called as the final descriptor referencing this socket is closed.
78c0dd49bdSEiji Ota  * We have to unbind the socket so that another socket can be bound to the
79c0dd49bdSEiji Ota  * address it was using.
80c0dd49bdSEiji Ota  *
81c0dd49bdSEiji Ota  * We have to be careful about racing with the incoming path.  sock_orphan()
82c0dd49bdSEiji Ota  * sets SOCK_DEAD and we use that as an indicator to the rx path that new
83c0dd49bdSEiji Ota  * messages shouldn't be queued.
84c0dd49bdSEiji Ota  */
85c0dd49bdSEiji Ota /* ARGSUSED */
86c0dd49bdSEiji Ota static int
rdsv3_release(sock_lower_handle_t proto_handle,int flgs,cred_t * cr)87c0dd49bdSEiji Ota rdsv3_release(sock_lower_handle_t proto_handle, int flgs, cred_t *cr)
88c0dd49bdSEiji Ota {
89c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
90c0dd49bdSEiji Ota 	struct rdsv3_sock *rs;
91c0dd49bdSEiji Ota 
925d5562f5SEiji Ota 	if (!sk)
93c0dd49bdSEiji Ota 		goto out;
94c0dd49bdSEiji Ota 
95c0dd49bdSEiji Ota 	rs = rdsv3_sk_to_rs(sk);
96c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_release", "Enter(rs: %p, sk: %p)", rs, sk);
97c0dd49bdSEiji Ota 
98c0dd49bdSEiji Ota 	rdsv3_sk_sock_orphan(sk);
99c0dd49bdSEiji Ota 	rdsv3_cong_remove_socket(rs);
100c0dd49bdSEiji Ota 	rdsv3_remove_bound(rs);
1015d5562f5SEiji Ota 
102c0dd49bdSEiji Ota 	/*
103c0dd49bdSEiji Ota 	 * Note - rdsv3_clear_recv_queue grabs rs_recv_lock, so
104c0dd49bdSEiji Ota 	 * that ensures the recv path has completed messing
105c0dd49bdSEiji Ota 	 * with the socket.
1065d5562f5SEiji Ota 	 *
1075d5562f5SEiji Ota 	 * Note2 - rdsv3_clear_recv_queue(rs) should be called first
1085d5562f5SEiji Ota 	 * to prevent some race conditions, which is different from
1095d5562f5SEiji Ota 	 * the Linux code.
110c0dd49bdSEiji Ota 	 */
111c0dd49bdSEiji Ota 	rdsv3_clear_recv_queue(rs);
112c0dd49bdSEiji Ota 	rdsv3_send_drop_to(rs, NULL);
113c0dd49bdSEiji Ota 	rdsv3_rdma_drop_keys(rs);
114c0dd49bdSEiji Ota 	(void) rdsv3_notify_queue_get(rs, NULL);
115c0dd49bdSEiji Ota 
116c0dd49bdSEiji Ota 	mutex_enter(&rdsv3_sock_lock);
117c0dd49bdSEiji Ota 	list_remove_node(&rs->rs_item);
118c0dd49bdSEiji Ota 	rdsv3_sock_count--;
119c0dd49bdSEiji Ota 	mutex_exit(&rdsv3_sock_lock);
120c0dd49bdSEiji Ota 
1216e18d381Sagiri 	while (sk->sk_refcount > 1) {
1226e18d381Sagiri 		/* wait for 1 sec and try again */
1236e18d381Sagiri 		delay(drv_usectohz(1000000));
1246e18d381Sagiri 	}
1256e18d381Sagiri 
1266e18d381Sagiri 	/* this will free the rs and sk */
127c0dd49bdSEiji Ota 	rdsv3_sk_sock_put(sk);
128c0dd49bdSEiji Ota 
129c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_release", "Return (rds: %p)", rs);
130c0dd49bdSEiji Ota out:
131c0dd49bdSEiji Ota 	return (0);
132c0dd49bdSEiji Ota }
133c0dd49bdSEiji Ota 
134c0dd49bdSEiji Ota void
__rdsv3_wake_sk_sleep(struct rsock * sk)135c0dd49bdSEiji Ota __rdsv3_wake_sk_sleep(struct rsock *sk)
136c0dd49bdSEiji Ota {
137c0dd49bdSEiji Ota 	/* wakup anyone waiting in recvmsg */
138c0dd49bdSEiji Ota 	if (!rdsv3_sk_sock_flag(sk, SOCK_DEAD) && sk->sk_sleep)
139c0dd49bdSEiji Ota 		rdsv3_wake_up(sk->sk_sleep);
140c0dd49bdSEiji Ota }
141c0dd49bdSEiji Ota 
142c0dd49bdSEiji Ota /*
143c0dd49bdSEiji Ota  * Careful not to race with rdsv3_release -> sock_orphan which clears sk_sleep.
144c0dd49bdSEiji Ota  * _bh() isn't OK here, we're called from interrupt handlers.  It's probably OK
145c0dd49bdSEiji Ota  * to wake the waitqueue after sk_sleep is clear as we hold a sock ref, but
146c0dd49bdSEiji Ota  * this seems more conservative.
147c0dd49bdSEiji Ota  * NB - normally, one would use sk_callback_lock for this, but we can
148c0dd49bdSEiji Ota  * get here from interrupts, whereas the network code grabs sk_callback_lock
149c0dd49bdSEiji Ota  * with _lock_bh only - so relying on sk_callback_lock introduces livelocks.
150c0dd49bdSEiji Ota  */
151c0dd49bdSEiji Ota void
rdsv3_wake_sk_sleep(struct rdsv3_sock * rs)152c0dd49bdSEiji Ota rdsv3_wake_sk_sleep(struct rdsv3_sock *rs)
153c0dd49bdSEiji Ota {
154c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_wake_sk_sleep", "Enter(rs: %p)", rs);
155c0dd49bdSEiji Ota 
156c0dd49bdSEiji Ota 	rw_enter(&rs->rs_recv_lock, RW_READER);
157c0dd49bdSEiji Ota 	__rdsv3_wake_sk_sleep(rdsv3_rs_to_sk(rs));
158c0dd49bdSEiji Ota 	rw_exit(&rs->rs_recv_lock);
159c0dd49bdSEiji Ota }
160c0dd49bdSEiji Ota 
161c0dd49bdSEiji Ota /*ARGSUSED*/
162c0dd49bdSEiji Ota static int
rdsv3_getname(sock_lower_handle_t proto_handle,struct sockaddr * addr,socklen_t * addr_len,cred_t * cr)163c0dd49bdSEiji Ota rdsv3_getname(sock_lower_handle_t proto_handle, struct sockaddr *addr,
164c0dd49bdSEiji Ota     socklen_t *addr_len, cred_t *cr)
165c0dd49bdSEiji Ota {
166c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
167c0dd49bdSEiji Ota 	struct sockaddr_in *sin = (struct sockaddr_in *)addr;
168c0dd49bdSEiji Ota 	struct rdsv3_sock *rs = rdsv3_sk_to_rs(sk);
169c0dd49bdSEiji Ota 
170c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_getname", "Enter(rs: %p, port: %d)", rs,
171c0dd49bdSEiji Ota 	    rs->rs_bound_port);
172c0dd49bdSEiji Ota 
173c0dd49bdSEiji Ota 	sin->sin_port = rs->rs_bound_port;
174c0dd49bdSEiji Ota 	sin->sin_addr.s_addr = rs->rs_bound_addr;
175c0dd49bdSEiji Ota 
176c0dd49bdSEiji Ota 	sin->sin_family = AF_INET_OFFLOAD;
177c0dd49bdSEiji Ota 
178c0dd49bdSEiji Ota 	*addr_len = sizeof (*sin);
179c0dd49bdSEiji Ota 	return (0);
180c0dd49bdSEiji Ota }
181c0dd49bdSEiji Ota 
182c0dd49bdSEiji Ota /*
183c0dd49bdSEiji Ota  * RDS' poll is without a doubt the least intuitive part of the interface,
184c0dd49bdSEiji Ota  * as POLLIN and POLLOUT do not behave entirely as you would expect from
185c0dd49bdSEiji Ota  * a network protocol.
186c0dd49bdSEiji Ota  *
187c0dd49bdSEiji Ota  * POLLIN is asserted if
188c0dd49bdSEiji Ota  *  -	there is data on the receive queue.
189c0dd49bdSEiji Ota  *  -	to signal that a previously congested destination may have become
190c0dd49bdSEiji Ota  *	uncongested
191c0dd49bdSEiji Ota  *  -	A notification has been queued to the socket (this can be a congestion
192c0dd49bdSEiji Ota  *	update, or a RDMA completion).
193c0dd49bdSEiji Ota  *
194c0dd49bdSEiji Ota  * POLLOUT is asserted if there is room on the send queue. This does not mean
195c0dd49bdSEiji Ota  * however, that the next sendmsg() call will succeed. If the application tries
196c0dd49bdSEiji Ota  * to send to a congested destination, the system call may still fail (and
197c0dd49bdSEiji Ota  * return ENOBUFS).
198c0dd49bdSEiji Ota  */
199c0dd49bdSEiji Ota /* ARGSUSED */
200c0dd49bdSEiji Ota static short
rdsv3_poll(sock_lower_handle_t proto_handle,short events,int anyyet,cred_t * cr)201c0dd49bdSEiji Ota rdsv3_poll(sock_lower_handle_t proto_handle, short events, int anyyet,
202c0dd49bdSEiji Ota     cred_t *cr)
203c0dd49bdSEiji Ota {
204c0dd49bdSEiji Ota 	struct rsock	*sk = (struct rsock *)proto_handle;
205c0dd49bdSEiji Ota 	struct rdsv3_sock	*rs = rdsv3_sk_to_rs(sk);
206c0dd49bdSEiji Ota 	unsigned short mask = 0;
207c0dd49bdSEiji Ota 
208c0dd49bdSEiji Ota #if 0
209c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_poll", "enter(%p %x %d)", rs, events, anyyet);
210c0dd49bdSEiji Ota #endif
211c0dd49bdSEiji Ota 
212cadbfdc3SEiji Ota 	/*
213cadbfdc3SEiji Ota 	 * If rs_seen_congestion is on, wait until it's off.
214cadbfdc3SEiji Ota 	 * This is implemented for the following OFED code.
215cadbfdc3SEiji Ota 	 * 	if (rs->rs_seen_congestion)
216cadbfdc3SEiji Ota 	 *		poll_wait(file, &rds_poll_waitq, wait);
217cadbfdc3SEiji Ota 	 */
2185d5562f5SEiji Ota 	mutex_enter(&rs->rs_congested_lock);
219cadbfdc3SEiji Ota 	while (rs->rs_seen_congestion) {
2205d5562f5SEiji Ota 		cv_wait(&rs->rs_congested_cv,
2215d5562f5SEiji Ota 		    &rs->rs_congested_lock);
222cadbfdc3SEiji Ota 	}
2235d5562f5SEiji Ota 	mutex_exit(&rs->rs_congested_lock);
224cadbfdc3SEiji Ota 
225c0dd49bdSEiji Ota 	rw_enter(&rs->rs_recv_lock, RW_READER);
226c0dd49bdSEiji Ota 	if (!rs->rs_cong_monitor) {
227c0dd49bdSEiji Ota 		/*
228c0dd49bdSEiji Ota 		 * When a congestion map was updated, we signal POLLIN for
229c0dd49bdSEiji Ota 		 * "historical" reasons. Applications can also poll for
230c0dd49bdSEiji Ota 		 * WRBAND instead.
231c0dd49bdSEiji Ota 		 */
232c0dd49bdSEiji Ota 		if (rdsv3_cong_updated_since(&rs->rs_cong_track))
233c0dd49bdSEiji Ota 			mask |= (POLLIN | POLLRDNORM | POLLWRBAND);
234c0dd49bdSEiji Ota 	} else {
235c0dd49bdSEiji Ota 		mutex_enter(&rs->rs_lock);
236c0dd49bdSEiji Ota 		if (rs->rs_cong_notify)
237c0dd49bdSEiji Ota 			mask |= (POLLIN | POLLRDNORM);
238c0dd49bdSEiji Ota 		mutex_exit(&rs->rs_lock);
239c0dd49bdSEiji Ota 	}
240c0dd49bdSEiji Ota 	if (!list_is_empty(&rs->rs_recv_queue) ||
241c0dd49bdSEiji Ota 	    !list_is_empty(&rs->rs_notify_queue))
242c0dd49bdSEiji Ota 		mask |= (POLLIN | POLLRDNORM);
243c0dd49bdSEiji Ota 	if (rs->rs_snd_bytes < rdsv3_sk_sndbuf(rs))
244c0dd49bdSEiji Ota 		mask |= (POLLOUT | POLLWRNORM);
245c0dd49bdSEiji Ota 
246cadbfdc3SEiji Ota 	/* clear state any time we wake a seen-congested socket */
247cadbfdc3SEiji Ota 	if (mask) {
2485d5562f5SEiji Ota 		mutex_enter(&rs->rs_congested_lock);
249cadbfdc3SEiji Ota 		rs->rs_seen_congestion = 0;
2505d5562f5SEiji Ota 		mutex_exit(&rs->rs_congested_lock);
251cadbfdc3SEiji Ota 	}
252cadbfdc3SEiji Ota 
2535d5562f5SEiji Ota 	rw_exit(&rs->rs_recv_lock);
2545d5562f5SEiji Ota 
255c0dd49bdSEiji Ota #if 0
256c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_poll", "return(%p %x)", rs, mask);
257c0dd49bdSEiji Ota #endif
258c0dd49bdSEiji Ota 
259c0dd49bdSEiji Ota 	return (mask);
260c0dd49bdSEiji Ota }
261c0dd49bdSEiji Ota 
262c0dd49bdSEiji Ota /* ARGSUSED */
263c0dd49bdSEiji Ota static int
rdsv3_ioctl(sock_lower_handle_t proto_handle,int cmd,intptr_t arg,int mode,int32_t * rvalp,cred_t * cr)264c0dd49bdSEiji Ota rdsv3_ioctl(sock_lower_handle_t proto_handle, int cmd, intptr_t arg,
265c0dd49bdSEiji Ota     int mode, int32_t *rvalp, cred_t *cr)
266c0dd49bdSEiji Ota {
267c0dd49bdSEiji Ota 	ksocket_t	so4;
268c0dd49bdSEiji Ota 	struct lifconf	lifc;
269c0dd49bdSEiji Ota 	struct lifreq	lifr, *lifrp;
270c0dd49bdSEiji Ota 	struct ifconf	ifc;
271c0dd49bdSEiji Ota 	struct ifreq	ifr;
272c0dd49bdSEiji Ota 	int		rval = 0, rc, len;
273c0dd49bdSEiji Ota 	int		numifs;
274c0dd49bdSEiji Ota 	int		bufsize;
275c0dd49bdSEiji Ota 	void		*buf;
276c0dd49bdSEiji Ota 
277c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_ioctl", "enter: cmd: %d", cmd);
278c0dd49bdSEiji Ota 
279c0dd49bdSEiji Ota 	/* Only ipv4 for now */
280c0dd49bdSEiji Ota 	rval = ksocket_socket(&so4, PF_INET, SOCK_DGRAM, 0, KSOCKET_NOSLEEP,
281c0dd49bdSEiji Ota 	    CRED());
282c0dd49bdSEiji Ota 	if (rval != 0) {
283c0dd49bdSEiji Ota 		RDSV3_DPRINTF2("rdsv3_ioctl", "ksocket_socket returned %d",
284c0dd49bdSEiji Ota 		    rval);
285c0dd49bdSEiji Ota 		return (rval);
286c0dd49bdSEiji Ota 	}
287c0dd49bdSEiji Ota 
288c0dd49bdSEiji Ota 	switch (cmd) {
289c0dd49bdSEiji Ota 	case SIOCGLIFNUM :
290c0dd49bdSEiji Ota 	case SIOCGIFNUM :
291c0dd49bdSEiji Ota 		rval = rdsv3_do_ip_ioctl(so4, &buf, &bufsize, &numifs);
292c0dd49bdSEiji Ota 		if (rval != 0) break;
293c0dd49bdSEiji Ota 		if (cmd == SIOCGLIFNUM) {
294b27516f5Sagiri 			struct lifnum	lifn;
295b27516f5Sagiri 			lifn.lifn_family = AF_INET_OFFLOAD;
296b27516f5Sagiri 			lifn.lifn_flags = 0;
297b27516f5Sagiri 			lifn.lifn_count = numifs;
298b27516f5Sagiri 			(void) ddi_copyout(&lifn, (void *)arg,
299b27516f5Sagiri 			    sizeof (struct lifnum), 0);
300c0dd49bdSEiji Ota 		} else {
301c0dd49bdSEiji Ota 			len = 0;
302c0dd49bdSEiji Ota 			for (lifrp = (struct lifreq *)buf, rc = 0; rc < numifs;
303c0dd49bdSEiji Ota 			    rc++, lifrp++) {
304c0dd49bdSEiji Ota 				if (strlen(lifrp->lifr_name) <= IFNAMSIZ) {
305c0dd49bdSEiji Ota 					len++;
306c0dd49bdSEiji Ota 				}
307c0dd49bdSEiji Ota 			}
308c0dd49bdSEiji Ota 			(void) ddi_copyout(&len, (void *)arg,
309c0dd49bdSEiji Ota 			    sizeof (int), 0);
310c0dd49bdSEiji Ota 		}
311c0dd49bdSEiji Ota 		kmem_free(buf, bufsize);
312c0dd49bdSEiji Ota 		break;
313c0dd49bdSEiji Ota 
314c0dd49bdSEiji Ota 	case SIOCGLIFCONF :
315c0dd49bdSEiji Ota 		if (ddi_copyin((void *)arg, &lifc, sizeof (struct lifconf), 0)
316c0dd49bdSEiji Ota 		    != 0) {
317c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl", "ddi_copyin failed lifc");
318c0dd49bdSEiji Ota 			rval = EFAULT;
319c0dd49bdSEiji Ota 			break;
320c0dd49bdSEiji Ota 		}
321c0dd49bdSEiji Ota 
322c0dd49bdSEiji Ota 		rval = rdsv3_do_ip_ioctl(so4, &buf, &bufsize, &numifs);
323c0dd49bdSEiji Ota 		if (rval != 0) {
324c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl",
325c0dd49bdSEiji Ota 			    "rdsv3_do_ip_ioctl failed: %d", rval);
326c0dd49bdSEiji Ota 			break;
327c0dd49bdSEiji Ota 		}
328c0dd49bdSEiji Ota 
329c0dd49bdSEiji Ota 		if ((lifc.lifc_len > 0) && (numifs > 0)) {
330c0dd49bdSEiji Ota 			if (ddi_copyout(buf, (void *)lifc.lifc_req,
331c0dd49bdSEiji Ota 			    (lifc.lifc_len < bufsize) ? lifc.lifc_len :
332c0dd49bdSEiji Ota 			    bufsize, 0) != 0) {
333c0dd49bdSEiji Ota 				RDSV3_DPRINTF2("rdsv3_ioctl",
334c0dd49bdSEiji Ota 				    "copyout of records failed");
335c0dd49bdSEiji Ota 				rval = EFAULT;
336c0dd49bdSEiji Ota 			}
337c0dd49bdSEiji Ota 
338c0dd49bdSEiji Ota 		}
339c0dd49bdSEiji Ota 
340c0dd49bdSEiji Ota 		lifc.lifc_len = bufsize;
341c0dd49bdSEiji Ota 		if (ddi_copyout(&lifc, (void *)arg, sizeof (struct lifconf),
342c0dd49bdSEiji Ota 		    0) != 0) {
343c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl",
344c0dd49bdSEiji Ota 			    "copyout of lifconf failed");
345c0dd49bdSEiji Ota 			rval = EFAULT;
346c0dd49bdSEiji Ota 		}
347c0dd49bdSEiji Ota 
348c0dd49bdSEiji Ota 		kmem_free(buf, bufsize);
349c0dd49bdSEiji Ota 		break;
350c0dd49bdSEiji Ota 
351c0dd49bdSEiji Ota 	case SIOCGIFCONF :
352c0dd49bdSEiji Ota 	case O_SIOCGIFCONF :
353c0dd49bdSEiji Ota 		if (ddi_copyin((void *)arg, &ifc, sizeof (struct ifconf), 0)
354c0dd49bdSEiji Ota 		    != 0) {
355c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl", "ddi_copyin failed ifc");
356c0dd49bdSEiji Ota 			rval = EFAULT;
357c0dd49bdSEiji Ota 			break;
358c0dd49bdSEiji Ota 		}
359c0dd49bdSEiji Ota 
360c0dd49bdSEiji Ota 		RDSV3_DPRINTF2("rdsv3_ioctl",
361c0dd49bdSEiji Ota 		    "O_SIOCGIFCONF: ifc_len: %d, req: %p",
362c0dd49bdSEiji Ota 		    ifc.ifc_len, ifc.ifc_req);
363c0dd49bdSEiji Ota 
364c0dd49bdSEiji Ota 		rval = rdsv3_do_ip_ioctl_old(so4, &buf, &bufsize, &numifs);
365c0dd49bdSEiji Ota 		if (rval != 0) {
366c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl",
367c0dd49bdSEiji Ota 			    "rdsv3_do_ip_ioctl_old failed: %d", rval);
368c0dd49bdSEiji Ota 			break;
369c0dd49bdSEiji Ota 		}
370c0dd49bdSEiji Ota 
371c0dd49bdSEiji Ota 		if ((ifc.ifc_len > 0) && (numifs > 0)) {
372c0dd49bdSEiji Ota 			if (ddi_copyout(buf, (void *)ifc.ifc_req,
373c0dd49bdSEiji Ota 			    (ifc.ifc_len < bufsize) ? ifc.ifc_len :
374c0dd49bdSEiji Ota 			    bufsize, 0) != 0) {
375c0dd49bdSEiji Ota 				RDSV3_DPRINTF2("rdsv3_ioctl",
376c0dd49bdSEiji Ota 				    "copyout of records failed");
377c0dd49bdSEiji Ota 				rval = EFAULT;
378c0dd49bdSEiji Ota 			}
379c0dd49bdSEiji Ota 
380c0dd49bdSEiji Ota 		}
381c0dd49bdSEiji Ota 
382c0dd49bdSEiji Ota 		ifc.ifc_len = bufsize;
383c0dd49bdSEiji Ota 		if (ddi_copyout(&ifc, (void *)arg, sizeof (struct ifconf),
384c0dd49bdSEiji Ota 		    0) != 0) {
385c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl",
386c0dd49bdSEiji Ota 			    "copyout of ifconf failed");
387c0dd49bdSEiji Ota 			rval = EFAULT;
388c0dd49bdSEiji Ota 		}
389c0dd49bdSEiji Ota 
390c0dd49bdSEiji Ota 		kmem_free(buf, bufsize);
391c0dd49bdSEiji Ota 		break;
392c0dd49bdSEiji Ota 
393c0dd49bdSEiji Ota 	case SIOCGLIFFLAGS :
394c0dd49bdSEiji Ota 	case SIOCSLIFFLAGS :
395c0dd49bdSEiji Ota 	case SIOCGLIFMTU :
396c0dd49bdSEiji Ota 	case SIOCGLIFNETMASK :
397c0dd49bdSEiji Ota 	case SIOCGLIFINDEX :
398c0dd49bdSEiji Ota 		if (ddi_copyin((void *)arg, &lifr, sizeof (struct lifreq), 0)
399c0dd49bdSEiji Ota 		    != 0) {
400c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl", "ddi_copyin failed lifr");
401c0dd49bdSEiji Ota 			rval = EFAULT;
402c0dd49bdSEiji Ota 			break;
403c0dd49bdSEiji Ota 		}
404c0dd49bdSEiji Ota 
405c0dd49bdSEiji Ota 		rc = ksocket_ioctl(so4, cmd, (intptr_t)&lifr, &rval, CRED());
406c0dd49bdSEiji Ota 		if (rc != 0) {
407c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl",
408c0dd49bdSEiji Ota 			    "ksocket_ioctl failed: %d, name: %s cmd: 0x%x",
409c0dd49bdSEiji Ota 			    rc, lifr.lifr_name, cmd);
410c0dd49bdSEiji Ota 			break;
411c0dd49bdSEiji Ota 		}
412c0dd49bdSEiji Ota 
413c0dd49bdSEiji Ota 		(void) ddi_copyout(&lifr, (void *)arg,
414c0dd49bdSEiji Ota 		    sizeof (struct lifreq), 0);
415c0dd49bdSEiji Ota 		break;
416c0dd49bdSEiji Ota 
417c0dd49bdSEiji Ota 	case SIOCGIFFLAGS :
418c0dd49bdSEiji Ota 	case SIOCSIFFLAGS :
419c0dd49bdSEiji Ota 	case SIOCGIFMTU :
420c0dd49bdSEiji Ota 	case SIOCGIFNETMASK :
421c0dd49bdSEiji Ota 	case SIOCGIFINDEX :
422c0dd49bdSEiji Ota 		if (ddi_copyin((void *)arg, &ifr, sizeof (struct ifreq), 0)
423c0dd49bdSEiji Ota 		    != 0) {
424c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl", "ddi_copyin failed ifr");
425c0dd49bdSEiji Ota 			rval = EFAULT;
426c0dd49bdSEiji Ota 			break;
427c0dd49bdSEiji Ota 		}
428c0dd49bdSEiji Ota 
429c0dd49bdSEiji Ota 		RDSV3_DPRINTF2("rdsv3_ioctl", "1. name: %s", ifr.ifr_name);
430c0dd49bdSEiji Ota 
431c0dd49bdSEiji Ota 		rc = ksocket_ioctl(so4, cmd, (intptr_t)&ifr, &rval, CRED());
432c0dd49bdSEiji Ota 		if (rc != 0) {
433c0dd49bdSEiji Ota 			RDSV3_DPRINTF2("rdsv3_ioctl",
434c0dd49bdSEiji Ota 			    "ksocket_ioctl failed: %d, name: %s cmd: 0x%x",
435c0dd49bdSEiji Ota 			    rc, ifr.ifr_name, cmd);
436c0dd49bdSEiji Ota 
437c0dd49bdSEiji Ota 			break;
438c0dd49bdSEiji Ota 		}
439c0dd49bdSEiji Ota 
440c0dd49bdSEiji Ota 		RDSV3_DPRINTF2("rdsv3_ioctl", "2. name: %s", ifr.ifr_name);
441c0dd49bdSEiji Ota 
442c0dd49bdSEiji Ota 		(void) ddi_copyout(&ifr, (void *)arg,
443c0dd49bdSEiji Ota 		    sizeof (struct ifreq), 0);
444c0dd49bdSEiji Ota 		break;
445c0dd49bdSEiji Ota 
446c0dd49bdSEiji Ota 	default:
447*fe817b60SEiji Ota 		if ((cmd >= RDS_INFO_FIRST) &&
448*fe817b60SEiji Ota 		    (cmd <= RDS_INFO_LAST)) {
449b27516f5Sagiri 			return (rdsv3_info_ioctl((struct rsock *)proto_handle,
450b27516f5Sagiri 			    cmd, (char *)arg, rvalp));
451b27516f5Sagiri 		}
452b27516f5Sagiri 		RDSV3_DPRINTF2("rdsv3_ioctl", "Unknown ioctl cmd: %d",  cmd);
453c0dd49bdSEiji Ota 		cmn_err(CE_CONT, "unsupported IOCTL cmd: %d \n", cmd);
454c0dd49bdSEiji Ota 		rval = EOPNOTSUPP;
455c0dd49bdSEiji Ota 	}
456c0dd49bdSEiji Ota 
457c0dd49bdSEiji Ota 	(void) ksocket_close(so4, CRED());
458c0dd49bdSEiji Ota 
459c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_ioctl", "return: %d cmd: %d", rval, cmd);
460c0dd49bdSEiji Ota 
461c0dd49bdSEiji Ota 	*rvalp = rval;
462c0dd49bdSEiji Ota 	return (rval);
463c0dd49bdSEiji Ota }
464c0dd49bdSEiji Ota 
465c0dd49bdSEiji Ota static int
rdsv3_cancel_sent_to(struct rdsv3_sock * rs,char * optval,int len)466c0dd49bdSEiji Ota rdsv3_cancel_sent_to(struct rdsv3_sock *rs, char *optval, int len)
467c0dd49bdSEiji Ota {
468c0dd49bdSEiji Ota 	struct sockaddr_in sin;
469c0dd49bdSEiji Ota 
470c0dd49bdSEiji Ota 	/* racing with another thread binding seems ok here */
471c0dd49bdSEiji Ota 	if (rs->rs_bound_addr == 0)
472c0dd49bdSEiji Ota 		return (-ENOTCONN); /* XXX not a great errno */
473c0dd49bdSEiji Ota 
474c0dd49bdSEiji Ota 	if (len < sizeof (struct sockaddr_in))
475c0dd49bdSEiji Ota 		return (-EINVAL);
476c0dd49bdSEiji Ota 
477c0dd49bdSEiji Ota 	if (ddi_copyin((void *)optval, &sin, sizeof (struct sockaddr_in),
478c0dd49bdSEiji Ota 	    0) != 0) {
479c0dd49bdSEiji Ota 		RDSV3_DPRINTF2("rdsv3_cancel_sent_to", "ddi_copyin failed sin");
480c0dd49bdSEiji Ota 		return (-EFAULT);
481c0dd49bdSEiji Ota 	}
482c0dd49bdSEiji Ota 
483c0dd49bdSEiji Ota 	rdsv3_send_drop_to(rs, &sin);
484c0dd49bdSEiji Ota 
485c0dd49bdSEiji Ota 	return (0);
486c0dd49bdSEiji Ota }
487c0dd49bdSEiji Ota 
488c0dd49bdSEiji Ota static int
rdsv3_set_bool_option(unsigned char * optvar,char * optval,int optlen)489c0dd49bdSEiji Ota rdsv3_set_bool_option(unsigned char *optvar, char *optval, int optlen)
490c0dd49bdSEiji Ota {
491c0dd49bdSEiji Ota 	int value = *optval;
492c0dd49bdSEiji Ota 
493c0dd49bdSEiji Ota 	if (optlen < sizeof (int))
494c0dd49bdSEiji Ota 		return (-EINVAL);
495c0dd49bdSEiji Ota 	*optvar = !!value;
496c0dd49bdSEiji Ota 	return (0);
497c0dd49bdSEiji Ota }
498c0dd49bdSEiji Ota 
499c0dd49bdSEiji Ota static int
rdsv3_cong_monitor(struct rdsv3_sock * rs,char * optval,int optlen)500c0dd49bdSEiji Ota rdsv3_cong_monitor(struct rdsv3_sock *rs, char *optval, int optlen)
501c0dd49bdSEiji Ota {
502c0dd49bdSEiji Ota 	int ret;
503c0dd49bdSEiji Ota 
504c0dd49bdSEiji Ota 	ret = rdsv3_set_bool_option(&rs->rs_cong_monitor, optval, optlen);
505c0dd49bdSEiji Ota 	if (ret == 0) {
506c0dd49bdSEiji Ota 		if (rs->rs_cong_monitor) {
507c0dd49bdSEiji Ota 			rdsv3_cong_add_socket(rs);
508c0dd49bdSEiji Ota 		} else {
509c0dd49bdSEiji Ota 			rdsv3_cong_remove_socket(rs);
510c0dd49bdSEiji Ota 			rs->rs_cong_mask = 0;
511c0dd49bdSEiji Ota 			rs->rs_cong_notify = 0;
512c0dd49bdSEiji Ota 		}
513c0dd49bdSEiji Ota 	}
514c0dd49bdSEiji Ota 	return (ret);
515c0dd49bdSEiji Ota }
516c0dd49bdSEiji Ota 
517c0dd49bdSEiji Ota /*ARGSUSED*/
518c0dd49bdSEiji Ota static int
rdsv3_setsockopt(sock_lower_handle_t proto_handle,int level,int optname,const void * optval,socklen_t optlen,cred_t * cr)519c0dd49bdSEiji Ota rdsv3_setsockopt(sock_lower_handle_t proto_handle, int level,
520c0dd49bdSEiji Ota     int optname, const void *optval, socklen_t optlen, cred_t *cr)
521c0dd49bdSEiji Ota {
522c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
523c0dd49bdSEiji Ota 	struct rdsv3_sock	*rs = rdsv3_sk_to_rs(sk);
524c0dd49bdSEiji Ota 	int	ret = 0;
525c0dd49bdSEiji Ota 
526c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_setsockopt", "enter(%p %d %d)",
527c0dd49bdSEiji Ota 	    rs, level, optname);
528c0dd49bdSEiji Ota 
529c0dd49bdSEiji Ota 	switch (optname) {
530*fe817b60SEiji Ota 	case RDS_CANCEL_SENT_TO:
531c0dd49bdSEiji Ota 		ret = rdsv3_cancel_sent_to(rs, (char *)optval, optlen);
532c0dd49bdSEiji Ota 		break;
533*fe817b60SEiji Ota 	case RDS_GET_MR:
534c0dd49bdSEiji Ota 		ret = rdsv3_get_mr(rs, optval, optlen);
535c0dd49bdSEiji Ota 		break;
536*fe817b60SEiji Ota 	case RDS_GET_MR_FOR_DEST:
537cadbfdc3SEiji Ota 		ret = rdsv3_get_mr_for_dest(rs, optval, optlen);
538cadbfdc3SEiji Ota 		break;
539*fe817b60SEiji Ota 	case RDS_FREE_MR:
540c0dd49bdSEiji Ota 		ret = rdsv3_free_mr(rs, optval, optlen);
541c0dd49bdSEiji Ota 		break;
542*fe817b60SEiji Ota 	case RDS_RECVERR:
543c0dd49bdSEiji Ota 		ret = rdsv3_set_bool_option(&rs->rs_recverr,
544c0dd49bdSEiji Ota 		    (char *)optval, optlen);
545c0dd49bdSEiji Ota 		break;
546*fe817b60SEiji Ota 	case RDS_CONG_MONITOR:
547c0dd49bdSEiji Ota 		ret = rdsv3_cong_monitor(rs, (char *)optval, optlen);
548c0dd49bdSEiji Ota 		break;
549c0dd49bdSEiji Ota 	case SO_SNDBUF:
550c0dd49bdSEiji Ota 		sk->sk_sndbuf = *(uint_t *)optval;
551c0dd49bdSEiji Ota 		return (ret);
552c0dd49bdSEiji Ota 	case SO_RCVBUF:
553c0dd49bdSEiji Ota 		sk->sk_rcvbuf = *(uint_t *)optval;
554c0dd49bdSEiji Ota 		return (ret);
555c0dd49bdSEiji Ota 	default:
556c0dd49bdSEiji Ota #if 1
557c0dd49bdSEiji Ota 		break;
558c0dd49bdSEiji Ota #else
559c0dd49bdSEiji Ota 		ret = -ENOPROTOOPT;
560c0dd49bdSEiji Ota #endif
561c0dd49bdSEiji Ota 	}
562c0dd49bdSEiji Ota out:
563c0dd49bdSEiji Ota 	return (ret);
564c0dd49bdSEiji Ota }
565c0dd49bdSEiji Ota 
566c0dd49bdSEiji Ota /* XXX */
567c0dd49bdSEiji Ota /*ARGSUSED*/
568c0dd49bdSEiji Ota static int
rdsv3_getsockopt(sock_lower_handle_t proto_handle,int level,int optname,void * optval,socklen_t * optlen,cred_t * cr)569c0dd49bdSEiji Ota rdsv3_getsockopt(sock_lower_handle_t proto_handle, int level,
570c0dd49bdSEiji Ota     int optname, void *optval, socklen_t *optlen, cred_t *cr)
571c0dd49bdSEiji Ota {
572c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
573c0dd49bdSEiji Ota 	struct rdsv3_sock	*rs = rdsv3_sk_to_rs(sk);
574c0dd49bdSEiji Ota 	int ret = 0;
575c0dd49bdSEiji Ota 
576c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_getsockopt", "enter(%p %d %d)",
577c0dd49bdSEiji Ota 	    rs, optname, *optlen);
578c0dd49bdSEiji Ota 
579c0dd49bdSEiji Ota 	switch (optname) {
580c0dd49bdSEiji Ota 	case SO_SNDBUF:
581c0dd49bdSEiji Ota 		RDSV3_DPRINTF4("rdsv3_getsockopt", "SO_SNDBUF(%d)",
582c0dd49bdSEiji Ota 		    sk->sk_sndbuf);
583c0dd49bdSEiji Ota 		if (*optlen != 0) {
584c0dd49bdSEiji Ota 			*((int *)optval) = sk->sk_sndbuf;
585c0dd49bdSEiji Ota 			*optlen = sizeof (uint_t);
586c0dd49bdSEiji Ota 		}
587c0dd49bdSEiji Ota 		return (ret);
588c0dd49bdSEiji Ota 	case SO_RCVBUF:
589c0dd49bdSEiji Ota 		RDSV3_DPRINTF4("rdsv3_getsockopt", "SO_RCVBUF(%d)",
590c0dd49bdSEiji Ota 		    sk->sk_rcvbuf);
591c0dd49bdSEiji Ota 		if (*optlen != 0) {
592c0dd49bdSEiji Ota 			*((int *)optval) = sk->sk_rcvbuf;
593c0dd49bdSEiji Ota 			*optlen = sizeof (uint_t);
594c0dd49bdSEiji Ota 		}
595c0dd49bdSEiji Ota 		return (ret);
596*fe817b60SEiji Ota 	case RDS_RECVERR:
597c0dd49bdSEiji Ota 		RDSV3_DPRINTF4("rdsv3_getsockopt", "RDSV3_RECVERR(%d)",
598c0dd49bdSEiji Ota 		    rs->rs_recverr);
599c0dd49bdSEiji Ota 		if (*optlen < sizeof (int))
600c0dd49bdSEiji Ota 			return (-EINVAL);
601c0dd49bdSEiji Ota 		else {
602c0dd49bdSEiji Ota 			*(int *)optval = rs->rs_recverr;
603c0dd49bdSEiji Ota 			*optlen = sizeof (int);
604c0dd49bdSEiji Ota 		}
605c0dd49bdSEiji Ota 		return (0);
606c0dd49bdSEiji Ota 	default:
607c0dd49bdSEiji Ota 		RDSV3_DPRINTF2("rdsv3_getsockopt",
608c0dd49bdSEiji Ota 		    "Unknown: level: %d optname: %d", level, optname);
609c0dd49bdSEiji Ota 		ret = -ENOPROTOOPT;
610c0dd49bdSEiji Ota 	}
611c0dd49bdSEiji Ota 
612c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_getsockopt", "return(%p %d %d)",
613c0dd49bdSEiji Ota 	    rs, optname, ret);
614c0dd49bdSEiji Ota 	return (ret);
615c0dd49bdSEiji Ota }
616c0dd49bdSEiji Ota 
617c0dd49bdSEiji Ota /*ARGSUSED*/
rdsv3_connect(sock_lower_handle_t proto_handle,const struct sockaddr * addr,socklen_t addr_len,sock_connid_t * conn,cred_t * cr)618c0dd49bdSEiji Ota static int rdsv3_connect(sock_lower_handle_t proto_handle,
619c0dd49bdSEiji Ota     const struct sockaddr *addr, socklen_t addr_len, sock_connid_t *conn,
620c0dd49bdSEiji Ota     cred_t *cr)
621c0dd49bdSEiji Ota {
622c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
623c0dd49bdSEiji Ota 	struct sockaddr_in *sin = (struct sockaddr_in *)addr;
624c0dd49bdSEiji Ota 	struct rdsv3_sock	*rs = rdsv3_sk_to_rs(sk);
625c0dd49bdSEiji Ota 	int ret = 0;
626c0dd49bdSEiji Ota 
627c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_connect", "Enter(rs: %p)", rs);
628c0dd49bdSEiji Ota 
629c0dd49bdSEiji Ota 	mutex_enter(&sk->sk_lock);
630c0dd49bdSEiji Ota 
631c0dd49bdSEiji Ota 	if (addr_len != sizeof (struct sockaddr_in)) {
632c0dd49bdSEiji Ota 		ret = -EINVAL;
633c0dd49bdSEiji Ota 		goto out;
634c0dd49bdSEiji Ota 	}
635c0dd49bdSEiji Ota 
636c0dd49bdSEiji Ota 	if (sin->sin_family != AF_INET_OFFLOAD) {
637c0dd49bdSEiji Ota 		ret = -EAFNOSUPPORT;
638c0dd49bdSEiji Ota 		goto out;
639c0dd49bdSEiji Ota 	}
640c0dd49bdSEiji Ota 
641c0dd49bdSEiji Ota 	if (sin->sin_addr.s_addr == htonl(INADDR_ANY)) {
642c0dd49bdSEiji Ota 		ret = -EDESTADDRREQ;
643c0dd49bdSEiji Ota 		goto out;
644c0dd49bdSEiji Ota 	}
645c0dd49bdSEiji Ota 
646c0dd49bdSEiji Ota 	rs->rs_conn_addr = sin->sin_addr.s_addr;
647c0dd49bdSEiji Ota 	rs->rs_conn_port = sin->sin_port;
648c0dd49bdSEiji Ota 
649c0dd49bdSEiji Ota 	sk->sk_upcalls->su_connected(sk->sk_upper_handle, 0, NULL, -1);
650c0dd49bdSEiji Ota 
651c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_connect", "Return(rs: %p)", rs);
652c0dd49bdSEiji Ota 
653c0dd49bdSEiji Ota out:
654c0dd49bdSEiji Ota 	mutex_exit(&sk->sk_lock);
655c0dd49bdSEiji Ota 	return (ret);
656c0dd49bdSEiji Ota }
657c0dd49bdSEiji Ota 
658c0dd49bdSEiji Ota /*ARGSUSED*/
659c0dd49bdSEiji Ota static int
rdsv3_shutdown(sock_lower_handle_t proto_handle,int how,cred_t * cr)660c0dd49bdSEiji Ota rdsv3_shutdown(sock_lower_handle_t proto_handle, int how, cred_t *cr)
661c0dd49bdSEiji Ota {
662c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
663c0dd49bdSEiji Ota 	struct rdsv3_sock *rs = rdsv3_sk_to_rs(sk);
664c0dd49bdSEiji Ota 
665c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_shutdown", "Enter(rs: %p)", rs);
666c0dd49bdSEiji Ota 
667c0dd49bdSEiji Ota 	return (0);
668c0dd49bdSEiji Ota }
669c0dd49bdSEiji Ota 
670c0dd49bdSEiji Ota /*ARGSUSED*/
671c0dd49bdSEiji Ota void
rdsv3_activate(sock_lower_handle_t proto_handle,sock_upper_handle_t sock_handle,sock_upcalls_t * sock_upcalls,int flags,cred_t * cr)672c0dd49bdSEiji Ota rdsv3_activate(sock_lower_handle_t proto_handle,
673c0dd49bdSEiji Ota     sock_upper_handle_t sock_handle, sock_upcalls_t *sock_upcalls,
674c0dd49bdSEiji Ota     int flags, cred_t *cr)
675c0dd49bdSEiji Ota {
676c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
677c0dd49bdSEiji Ota 	struct rdsv3_sock *rs = rdsv3_sk_to_rs(sk);
678c0dd49bdSEiji Ota 
679c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_activate", "Enter(rs: %p)", rs);
680c0dd49bdSEiji Ota 
681c0dd49bdSEiji Ota 	sk->sk_upcalls = sock_upcalls;
682c0dd49bdSEiji Ota 	sk->sk_upper_handle = sock_handle;
683c0dd49bdSEiji Ota 
684c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_activate", "Return (rs: %p)", rs);
685c0dd49bdSEiji Ota }
686c0dd49bdSEiji Ota 
687c0dd49bdSEiji Ota 
688c0dd49bdSEiji Ota /* ARGSUSED */
689c0dd49bdSEiji Ota int
rdsv3_send_uio(sock_lower_handle_t proto_handle,uio_t * uio,struct nmsghdr * msg,cred_t * cr)690c0dd49bdSEiji Ota rdsv3_send_uio(sock_lower_handle_t proto_handle, uio_t *uio,
691c0dd49bdSEiji Ota     struct nmsghdr *msg, cred_t *cr)
692c0dd49bdSEiji Ota {
693c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
694c0dd49bdSEiji Ota 	struct rdsv3_sock *rs = rdsv3_sk_to_rs(sk);
695c0dd49bdSEiji Ota 	int ret;
696c0dd49bdSEiji Ota 
697c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_send_uio", "Enter(rs: %p)", rs);
698c0dd49bdSEiji Ota 	ret = rdsv3_sendmsg(rs, uio, msg, uio->uio_resid);
699c0dd49bdSEiji Ota 
700c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_send_uio", "Return(rs: %p ret %d)", rs, ret);
701c0dd49bdSEiji Ota 	if (ret < 0) {
702c0dd49bdSEiji Ota 		return (-ret);
703c0dd49bdSEiji Ota 	}
704c0dd49bdSEiji Ota 
705c0dd49bdSEiji Ota 	return (0);
706c0dd49bdSEiji Ota }
707c0dd49bdSEiji Ota 
708c0dd49bdSEiji Ota /* ARGSUSED */
709c0dd49bdSEiji Ota int
rdsv3_recv_uio(sock_lower_handle_t proto_handle,uio_t * uio,struct nmsghdr * msg,cred_t * cr)710c0dd49bdSEiji Ota rdsv3_recv_uio(sock_lower_handle_t proto_handle, uio_t *uio,
711c0dd49bdSEiji Ota     struct nmsghdr *msg, cred_t *cr)
712c0dd49bdSEiji Ota {
713c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
714c0dd49bdSEiji Ota 	struct rdsv3_sock *rs = rdsv3_sk_to_rs(sk);
715c0dd49bdSEiji Ota 	int ret;
716c0dd49bdSEiji Ota 
717c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_recv_uio", "Enter (rs: %p)", rs);
718c0dd49bdSEiji Ota 	ret = rdsv3_recvmsg(rs, uio, msg, uio->uio_resid, msg->msg_flags);
719c0dd49bdSEiji Ota 
720c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_recv_uio", "Return(rs: %p ret %d)", rs, ret);
721c0dd49bdSEiji Ota 
722c0dd49bdSEiji Ota 	if (ret < 0) {
723c0dd49bdSEiji Ota 		return (-ret);
724c0dd49bdSEiji Ota 	}
725c0dd49bdSEiji Ota 
726c0dd49bdSEiji Ota 	return (0);
727c0dd49bdSEiji Ota }
728c0dd49bdSEiji Ota 
729c0dd49bdSEiji Ota /*ARGSUSED*/
730c0dd49bdSEiji Ota int
rdsv3_getpeername(sock_lower_handle_t proto_handle,struct sockaddr * addr,socklen_t * addr_len,cred_t * cr)731c0dd49bdSEiji Ota rdsv3_getpeername(sock_lower_handle_t  proto_handle, struct sockaddr *addr,
732c0dd49bdSEiji Ota     socklen_t *addr_len, cred_t *cr)
733c0dd49bdSEiji Ota {
734c0dd49bdSEiji Ota 	struct sockaddr_in *sin = (struct sockaddr_in *)addr;
735c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
736c0dd49bdSEiji Ota 	struct rdsv3_sock *rs = rdsv3_sk_to_rs(sk);
737c0dd49bdSEiji Ota 
738c0dd49bdSEiji Ota 	RDSV3_DPRINTF2("rdsv3_getpeername", "enter(rs: %p)", rs);
739c0dd49bdSEiji Ota 
740c0dd49bdSEiji Ota 	(void) memset(sin->sin_zero, 0, sizeof (sin->sin_zero));
741c0dd49bdSEiji Ota 
742c0dd49bdSEiji Ota 	/* racey, don't care */
743c0dd49bdSEiji Ota 	if (!rs->rs_conn_addr)
744c0dd49bdSEiji Ota 		return (-ENOTCONN);
745c0dd49bdSEiji Ota 
746c0dd49bdSEiji Ota 	sin->sin_port = rs->rs_conn_port;
747c0dd49bdSEiji Ota 	sin->sin_addr.s_addr = rs->rs_conn_addr;
748c0dd49bdSEiji Ota 
749c0dd49bdSEiji Ota 	sin->sin_family = AF_INET_OFFLOAD;
750c0dd49bdSEiji Ota 
751c0dd49bdSEiji Ota 	*addr_len = sizeof (*sin);
752c0dd49bdSEiji Ota 	return (0);
753c0dd49bdSEiji Ota }
754c0dd49bdSEiji Ota 
755c0dd49bdSEiji Ota void
rdsv3_clrflowctrl(sock_lower_handle_t proto_handle)756c0dd49bdSEiji Ota rdsv3_clrflowctrl(sock_lower_handle_t proto_handle)
757c0dd49bdSEiji Ota {
758c0dd49bdSEiji Ota 	struct rsock *sk = (struct rsock *)proto_handle;
759c0dd49bdSEiji Ota 	struct rdsv3_sock *rs = rdsv3_sk_to_rs(sk);
760c0dd49bdSEiji Ota 
761c0dd49bdSEiji Ota 	RDSV3_DPRINTF2("rdsv3_clrflowctrl", "enter(rs: %p)", rs);
762c0dd49bdSEiji Ota }
763c0dd49bdSEiji Ota 
764c0dd49bdSEiji Ota #ifndef __lock_lint
765c0dd49bdSEiji Ota static struct sock_downcalls_s rdsv3_sock_downcalls = {
766c0dd49bdSEiji Ota 	.sd_close =		rdsv3_release,
767c0dd49bdSEiji Ota 	.sd_bind =		rdsv3_bind,
768c0dd49bdSEiji Ota 	.sd_connect =		rdsv3_connect,
769c0dd49bdSEiji Ota 	.sd_accept =		NULL,
770c0dd49bdSEiji Ota 	.sd_getsockname =	rdsv3_getname,
771c0dd49bdSEiji Ota 	.sd_poll =		rdsv3_poll,
772c0dd49bdSEiji Ota 	.sd_ioctl =		rdsv3_ioctl,
773c0dd49bdSEiji Ota 	.sd_listen =		NULL,
774c0dd49bdSEiji Ota 	.sd_shutdown =		rdsv3_shutdown,
775c0dd49bdSEiji Ota 	.sd_setsockopt =	rdsv3_setsockopt,
776c0dd49bdSEiji Ota 	.sd_getsockopt =	rdsv3_getsockopt,
777c0dd49bdSEiji Ota 	.sd_send_uio =		rdsv3_send_uio,
778c0dd49bdSEiji Ota 	.sd_recv_uio =		rdsv3_recv_uio,
779c0dd49bdSEiji Ota 	.sd_activate =		rdsv3_activate,
780c0dd49bdSEiji Ota 	.sd_getpeername =	rdsv3_getpeername,
781c0dd49bdSEiji Ota 	.sd_send =		NULL,
782c0dd49bdSEiji Ota 	.sd_clr_flowctrl =	NULL
783c0dd49bdSEiji Ota };
784c0dd49bdSEiji Ota #else
785c0dd49bdSEiji Ota static struct sock_downcalls_s rdsv3_sock_downcalls = {
786c0dd49bdSEiji Ota 	rdsv3_activate,
787c0dd49bdSEiji Ota 	NULL,
788c0dd49bdSEiji Ota 	rdsv3_bind,
789c0dd49bdSEiji Ota 	NULL,
790c0dd49bdSEiji Ota 	rdsv3_connect,
791c0dd49bdSEiji Ota 	rdsv3_getpeername,
792c0dd49bdSEiji Ota 	rdsv3_getname,
793c0dd49bdSEiji Ota 	rdsv3_getsockopt,
794c0dd49bdSEiji Ota 	rdsv3_setsockopt,
795c0dd49bdSEiji Ota 	NULL,
796c0dd49bdSEiji Ota 	rdsv3_send_uio,
797c0dd49bdSEiji Ota 	rdsv3_recv_uio,
798c0dd49bdSEiji Ota 	rdsv3_poll,
799c0dd49bdSEiji Ota 	rdsv3_shutdown,
800c0dd49bdSEiji Ota 	NULL,
801c0dd49bdSEiji Ota 	rdsv3_ioctl,
802c0dd49bdSEiji Ota 	rdsv3_release
803c0dd49bdSEiji Ota };
804c0dd49bdSEiji Ota #endif
805c0dd49bdSEiji Ota 
806c0dd49bdSEiji Ota sock_lower_handle_t
rdsv3_create(int family,int type,int proto,sock_downcalls_t ** sock_downcalls,uint_t * smodep,int * errorp,int flags,cred_t * credp)807c0dd49bdSEiji Ota rdsv3_create(int family, int type, int proto, sock_downcalls_t **sock_downcalls,
808c0dd49bdSEiji Ota     uint_t *smodep, int *errorp, int flags, cred_t *credp)
809c0dd49bdSEiji Ota {
810c0dd49bdSEiji Ota 	struct rdsv3_sock	*rs;
811c0dd49bdSEiji Ota 	struct rsock		*sk;
812c0dd49bdSEiji Ota 
813c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_create", "Enter (family: %d type: %d, proto: %d "
814c0dd49bdSEiji Ota 	    "flags: %d", family, type, proto, flags);
815c0dd49bdSEiji Ota 
816c0dd49bdSEiji Ota 	sk = rdsv3_sk_alloc();
817c0dd49bdSEiji Ota 	if (sk == NULL)
818c0dd49bdSEiji Ota 		return (NULL);
819c0dd49bdSEiji Ota 	rdsv3_sock_init_data(sk);
820c0dd49bdSEiji Ota 
821c0dd49bdSEiji Ota 	rs = rdsv3_sk_to_rs(sk);
822c0dd49bdSEiji Ota 	rs->rs_sk = sk;
823c0dd49bdSEiji Ota 	mutex_init(&rs->rs_lock, NULL, MUTEX_DRIVER, NULL);
824c0dd49bdSEiji Ota 	rw_init(&rs->rs_recv_lock, NULL, RW_DRIVER, NULL);
825c0dd49bdSEiji Ota 	list_create(&rs->rs_send_queue, sizeof (struct rdsv3_message),
826c0dd49bdSEiji Ota 	    offsetof(struct rdsv3_message, m_sock_item));
827c0dd49bdSEiji Ota 	list_create(&rs->rs_recv_queue, sizeof (struct rdsv3_incoming),
828c0dd49bdSEiji Ota 	    offsetof(struct rdsv3_incoming, i_item));
829c0dd49bdSEiji Ota 	list_create(&rs->rs_notify_queue, sizeof (struct rdsv3_notifier),
830c0dd49bdSEiji Ota 	    offsetof(struct rdsv3_notifier, n_list));
831c0dd49bdSEiji Ota 	mutex_init(&rs->rs_rdma_lock, NULL, MUTEX_DRIVER, NULL);
832c0dd49bdSEiji Ota 	avl_create(&rs->rs_rdma_keys, rdsv3_mr_compare,
833c0dd49bdSEiji Ota 	    sizeof (struct rdsv3_mr), offsetof(struct rdsv3_mr, r_rb_node));
834c0dd49bdSEiji Ota 	mutex_init(&rs->rs_conn_lock, NULL, MUTEX_DRIVER, NULL);
8355d5562f5SEiji Ota 	mutex_init(&rs->rs_congested_lock, NULL, MUTEX_DRIVER, NULL);
8365d5562f5SEiji Ota 	cv_init(&rs->rs_congested_cv, NULL, CV_DRIVER, NULL);
837c0dd49bdSEiji Ota 	rs->rs_cred = credp;
838c0dd49bdSEiji Ota 	rs->rs_zoneid = getzoneid();
839c0dd49bdSEiji Ota 	crhold(credp);
840c0dd49bdSEiji Ota 
841c0dd49bdSEiji Ota 	mutex_enter(&rdsv3_sock_lock);
842c0dd49bdSEiji Ota 	list_insert_tail(&rdsv3_sock_list, rs);
843c0dd49bdSEiji Ota 	rdsv3_sock_count++;
844c0dd49bdSEiji Ota 	/* Initialize RDMA/IB on the 1st socket if not done at attach */
845c0dd49bdSEiji Ota 	if (rdsv3_sock_count == 1) {
846c0dd49bdSEiji Ota 		rdsv3_rdma_init();
847c0dd49bdSEiji Ota 	}
848c0dd49bdSEiji Ota 	mutex_exit(&rdsv3_sock_lock);
849c0dd49bdSEiji Ota 
850c0dd49bdSEiji Ota 	*errorp = 0;
851c0dd49bdSEiji Ota 	*smodep = SM_ATOMIC;
852c0dd49bdSEiji Ota 	*sock_downcalls = &rdsv3_sock_downcalls;
853c0dd49bdSEiji Ota 
854c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_create", "Return: %p", rs);
855c0dd49bdSEiji Ota 
856c0dd49bdSEiji Ota 	return ((sock_lower_handle_t)rdsv3_rs_to_sk(rs));
857c0dd49bdSEiji Ota }
858c0dd49bdSEiji Ota 
859c0dd49bdSEiji Ota void
rdsv3_sock_addref(struct rdsv3_sock * rs)860c0dd49bdSEiji Ota rdsv3_sock_addref(struct rdsv3_sock *rs)
861c0dd49bdSEiji Ota {
862c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_sock_addref", "Enter(rs: %p)", rs);
863c0dd49bdSEiji Ota 	rdsv3_sk_sock_hold(rdsv3_rs_to_sk(rs));
864c0dd49bdSEiji Ota }
865c0dd49bdSEiji Ota 
866c0dd49bdSEiji Ota void
rdsv3_sock_put(struct rdsv3_sock * rs)867c0dd49bdSEiji Ota rdsv3_sock_put(struct rdsv3_sock *rs)
868c0dd49bdSEiji Ota {
869c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_sock_put", "Enter(rs: %p)", rs);
870c0dd49bdSEiji Ota 	rdsv3_sk_sock_put(rdsv3_rs_to_sk(rs));
871c0dd49bdSEiji Ota }
872c0dd49bdSEiji Ota 
873c0dd49bdSEiji Ota static void
rdsv3_sock_inc_info(struct rsock * sock,unsigned int len,struct rdsv3_info_iterator * iter,struct rdsv3_info_lengths * lens)874c0dd49bdSEiji Ota rdsv3_sock_inc_info(struct rsock *sock, unsigned int len,
875c0dd49bdSEiji Ota     struct rdsv3_info_iterator *iter, struct rdsv3_info_lengths *lens)
876c0dd49bdSEiji Ota {
877c0dd49bdSEiji Ota 	struct rdsv3_sock *rs;
878c0dd49bdSEiji Ota 	struct rdsv3_incoming *inc;
879c0dd49bdSEiji Ota 	unsigned int total = 0;
880c0dd49bdSEiji Ota 
881c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_sock_inc_info", "Enter(rs: %p)",
882c0dd49bdSEiji Ota 	    rdsv3_sk_to_rs(sock));
883c0dd49bdSEiji Ota 
884*fe817b60SEiji Ota 	len /= sizeof (struct rds_info_message);
885c0dd49bdSEiji Ota 
886c0dd49bdSEiji Ota 	mutex_enter(&rdsv3_sock_lock);
887c0dd49bdSEiji Ota 
888c0dd49bdSEiji Ota 	RDSV3_FOR_EACH_LIST_NODE(rs, &rdsv3_sock_list, rs_item) {
889c0dd49bdSEiji Ota 		rw_enter(&rs->rs_recv_lock, RW_READER);
890c0dd49bdSEiji Ota 
891c0dd49bdSEiji Ota 		/* XXX too lazy to maintain counts.. */
892c0dd49bdSEiji Ota 		RDSV3_FOR_EACH_LIST_NODE(inc, &rs->rs_recv_queue, i_item) {
893c0dd49bdSEiji Ota 			total++;
894c0dd49bdSEiji Ota 			if (total <= len)
895c0dd49bdSEiji Ota 				rdsv3_inc_info_copy(inc, iter, inc->i_saddr,
896c0dd49bdSEiji Ota 				    rs->rs_bound_addr, 1);
897c0dd49bdSEiji Ota 		}
898c0dd49bdSEiji Ota 
899c0dd49bdSEiji Ota 		rw_exit(&rs->rs_recv_lock);
900c0dd49bdSEiji Ota 	}
901c0dd49bdSEiji Ota 
902c0dd49bdSEiji Ota 	mutex_exit(&rdsv3_sock_lock);
903c0dd49bdSEiji Ota 
904c0dd49bdSEiji Ota 	lens->nr = total;
905*fe817b60SEiji Ota 	lens->each = sizeof (struct rds_info_message);
906c0dd49bdSEiji Ota 
907c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_sock_inc_info", "return(rs: %p)",
908c0dd49bdSEiji Ota 	    rdsv3_sk_to_rs(sock));
909c0dd49bdSEiji Ota }
910c0dd49bdSEiji Ota 
911c0dd49bdSEiji Ota static void
rdsv3_sock_info(struct rsock * sock,unsigned int len,struct rdsv3_info_iterator * iter,struct rdsv3_info_lengths * lens)912c0dd49bdSEiji Ota rdsv3_sock_info(struct rsock *sock, unsigned int len,
913c0dd49bdSEiji Ota     struct rdsv3_info_iterator *iter, struct rdsv3_info_lengths *lens)
914c0dd49bdSEiji Ota {
915*fe817b60SEiji Ota 	struct rds_info_socket sinfo;
916c0dd49bdSEiji Ota 	struct rdsv3_sock *rs;
917c0dd49bdSEiji Ota 	unsigned long bytes;
918c0dd49bdSEiji Ota 
919c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_sock_info", "Enter(rs: %p)",
920c0dd49bdSEiji Ota 	    rdsv3_sk_to_rs(sock));
921c0dd49bdSEiji Ota 
922*fe817b60SEiji Ota 	len /= sizeof (struct rds_info_socket);
923c0dd49bdSEiji Ota 
924c0dd49bdSEiji Ota 	mutex_enter(&rdsv3_sock_lock);
925c0dd49bdSEiji Ota 
926c0dd49bdSEiji Ota 	if ((len < rdsv3_sock_count) || (iter->addr == NULL))
927c0dd49bdSEiji Ota 		goto out;
928c0dd49bdSEiji Ota 
929*fe817b60SEiji Ota 	bytes = sizeof (struct rds_info_socket);
930c0dd49bdSEiji Ota 	RDSV3_FOR_EACH_LIST_NODE(rs, &rdsv3_sock_list, rs_item) {
931c0dd49bdSEiji Ota 		sinfo.sndbuf = rdsv3_sk_sndbuf(rs);
932c0dd49bdSEiji Ota 		sinfo.rcvbuf = rdsv3_sk_rcvbuf(rs);
933c0dd49bdSEiji Ota 		sinfo.bound_addr = rs->rs_bound_addr;
934c0dd49bdSEiji Ota 		sinfo.connected_addr = rs->rs_conn_addr;
935c0dd49bdSEiji Ota 		sinfo.bound_port = rs->rs_bound_port;
936c0dd49bdSEiji Ota 		sinfo.connected_port = rs->rs_conn_port;
937c0dd49bdSEiji Ota 
938c0dd49bdSEiji Ota 		rdsv3_info_copy(iter, &sinfo, bytes);
939c0dd49bdSEiji Ota 	}
940c0dd49bdSEiji Ota 
941c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_sock_info", "Return(rs: %p)",
942c0dd49bdSEiji Ota 	    rdsv3_sk_to_rs(sock));
943c0dd49bdSEiji Ota 
944c0dd49bdSEiji Ota out:
945c0dd49bdSEiji Ota 	lens->nr = rdsv3_sock_count;
946*fe817b60SEiji Ota 	lens->each = sizeof (struct rds_info_socket);
947c0dd49bdSEiji Ota 
948c0dd49bdSEiji Ota 	mutex_exit(&rdsv3_sock_lock);
949c0dd49bdSEiji Ota }
950c0dd49bdSEiji Ota 
951c0dd49bdSEiji Ota rdsv3_delayed_work_t	*rdsv3_rdma_dwp = NULL;
952c0dd49bdSEiji Ota uint_t			rdsv3_rdma_init_delay = 5; /* secs */
953c0dd49bdSEiji Ota extern void rdsv3_rdma_init_worker(struct rdsv3_work_s *work);
954c0dd49bdSEiji Ota 
955c0dd49bdSEiji Ota void
rdsv3_exit(void)956c0dd49bdSEiji Ota rdsv3_exit(void)
957c0dd49bdSEiji Ota {
958c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_exit", "Enter");
959c0dd49bdSEiji Ota 
960c0dd49bdSEiji Ota 	if (rdsv3_rdma_dwp) {
961c0dd49bdSEiji Ota 		rdsv3_cancel_delayed_work(rdsv3_rdma_dwp);
962c0dd49bdSEiji Ota 	}
963c0dd49bdSEiji Ota 
964c0dd49bdSEiji Ota 	(void) ddi_taskq_dispatch(rdsv3_taskq, rdsv3_rdma_exit,
965c0dd49bdSEiji Ota 	    NULL, DDI_SLEEP);
966c0dd49bdSEiji Ota 	while (rdsv3_rdma_listen_id != NULL) {
967c0dd49bdSEiji Ota #ifndef __lock_lint
968c0dd49bdSEiji Ota 		RDSV3_DPRINTF5("rdsv3", "%s-%d Waiting for rdsv3_rdma_exit",
969c0dd49bdSEiji Ota 		    __func__, __LINE__);
970c0dd49bdSEiji Ota #endif
971c0dd49bdSEiji Ota 		delay(drv_usectohz(1000));
972c0dd49bdSEiji Ota 	}
973c0dd49bdSEiji Ota 
974c0dd49bdSEiji Ota 	rdsv3_conn_exit();
975c0dd49bdSEiji Ota 	rdsv3_cong_exit();
976c0dd49bdSEiji Ota 	rdsv3_sysctl_exit();
977c0dd49bdSEiji Ota 	rdsv3_threads_exit();
978c0dd49bdSEiji Ota 	rdsv3_stats_exit();
979*fe817b60SEiji Ota 	rdsv3_info_deregister_func(RDS_INFO_SOCKETS, rdsv3_sock_info);
980*fe817b60SEiji Ota 	rdsv3_info_deregister_func(RDS_INFO_RECV_MESSAGES,
981c0dd49bdSEiji Ota 	    rdsv3_sock_inc_info);
982c0dd49bdSEiji Ota 
983c0dd49bdSEiji Ota 	if (rdsv3_rdma_dwp) {
984c0dd49bdSEiji Ota 		kmem_free(rdsv3_rdma_dwp, sizeof (rdsv3_delayed_work_t));
985c0dd49bdSEiji Ota 		rdsv3_rdma_dwp = NULL;
986c0dd49bdSEiji Ota 	}
987c0dd49bdSEiji Ota 
988c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_exit", "Return");
989c0dd49bdSEiji Ota }
990c0dd49bdSEiji Ota 
991c0dd49bdSEiji Ota /*ARGSUSED*/
992c0dd49bdSEiji Ota int
rdsv3_init()993c0dd49bdSEiji Ota rdsv3_init()
994c0dd49bdSEiji Ota {
995c0dd49bdSEiji Ota 	int ret;
996c0dd49bdSEiji Ota 
997c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_init", "Enter");
998c0dd49bdSEiji Ota 
999c0dd49bdSEiji Ota 	rdsv3_cong_init();
1000cadbfdc3SEiji Ota 
1001c0dd49bdSEiji Ota 	ret = rdsv3_conn_init();
1002c0dd49bdSEiji Ota 	if (ret)
1003c0dd49bdSEiji Ota 		goto out;
1004c0dd49bdSEiji Ota 	ret = rdsv3_threads_init();
1005c0dd49bdSEiji Ota 	if (ret)
1006c0dd49bdSEiji Ota 		goto out_conn;
1007c0dd49bdSEiji Ota 	ret = rdsv3_sysctl_init();
1008c0dd49bdSEiji Ota 	if (ret)
1009c0dd49bdSEiji Ota 		goto out_threads;
1010c0dd49bdSEiji Ota 	ret = rdsv3_stats_init();
1011c0dd49bdSEiji Ota 	if (ret)
1012c0dd49bdSEiji Ota 		goto out_sysctl;
1013c0dd49bdSEiji Ota 
1014*fe817b60SEiji Ota 	rdsv3_info_register_func(RDS_INFO_SOCKETS, rdsv3_sock_info);
1015*fe817b60SEiji Ota 	rdsv3_info_register_func(RDS_INFO_RECV_MESSAGES, rdsv3_sock_inc_info);
1016c0dd49bdSEiji Ota 
1017c0dd49bdSEiji Ota 	/* rdsv3_rdma_init need to be called with a little delay */
1018c0dd49bdSEiji Ota 	rdsv3_rdma_dwp = kmem_zalloc(sizeof (rdsv3_delayed_work_t), KM_SLEEP);
1019c0dd49bdSEiji Ota 	RDSV3_INIT_DELAYED_WORK(rdsv3_rdma_dwp, rdsv3_rdma_init_worker);
1020c0dd49bdSEiji Ota 	rdsv3_queue_delayed_work(rdsv3_wq, rdsv3_rdma_dwp,
1021c0dd49bdSEiji Ota 	    rdsv3_rdma_init_delay);
1022c0dd49bdSEiji Ota 
1023c0dd49bdSEiji Ota 	RDSV3_DPRINTF4("rdsv3_init", "Return");
1024c0dd49bdSEiji Ota 
1025c0dd49bdSEiji Ota 	goto out;
1026c0dd49bdSEiji Ota 
1027c0dd49bdSEiji Ota out_stats:
1028c0dd49bdSEiji Ota 	rdsv3_stats_exit();
1029c0dd49bdSEiji Ota out_sysctl:
1030c0dd49bdSEiji Ota 	rdsv3_sysctl_exit();
1031c0dd49bdSEiji Ota out_threads:
1032c0dd49bdSEiji Ota 	rdsv3_threads_exit();
1033c0dd49bdSEiji Ota out_conn:
1034c0dd49bdSEiji Ota 	rdsv3_conn_exit();
1035c0dd49bdSEiji Ota 	rdsv3_cong_exit();
1036c0dd49bdSEiji Ota out:
1037c0dd49bdSEiji Ota 	return (ret);
1038c0dd49bdSEiji Ota }
1039