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-rw-r--r--net/rxrpc/af_rxrpc.c754
1 files changed, 754 insertions, 0 deletions
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
new file mode 100644
index 000000000000..bfa8822e2286
--- /dev/null
+++ b/net/rxrpc/af_rxrpc.c
@@ -0,0 +1,754 @@
1/* AF_RXRPC implementation
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/module.h>
13#include <linux/net.h>
14#include <linux/skbuff.h>
15#include <linux/poll.h>
16#include <linux/proc_fs.h>
17#include <net/sock.h>
18#include <net/af_rxrpc.h>
19#include "ar-internal.h"
20
21MODULE_DESCRIPTION("RxRPC network protocol");
22MODULE_AUTHOR("Red Hat, Inc.");
23MODULE_LICENSE("GPL");
24MODULE_ALIAS_NETPROTO(PF_RXRPC);
25
26unsigned rxrpc_debug; // = RXRPC_DEBUG_KPROTO;
27module_param_named(debug, rxrpc_debug, uint, S_IWUSR | S_IRUGO);
28MODULE_PARM_DESC(rxrpc_debug, "RxRPC debugging mask");
29
30static int sysctl_rxrpc_max_qlen __read_mostly = 10;
31
32static struct proto rxrpc_proto;
33static const struct proto_ops rxrpc_rpc_ops;
34
35/* local epoch for detecting local-end reset */
36__be32 rxrpc_epoch;
37
38/* current debugging ID */
39atomic_t rxrpc_debug_id;
40
41/* count of skbs currently in use */
42atomic_t rxrpc_n_skbs;
43
44static void rxrpc_sock_destructor(struct sock *);
45
46/*
47 * see if an RxRPC socket is currently writable
48 */
49static inline int rxrpc_writable(struct sock *sk)
50{
51 return atomic_read(&sk->sk_wmem_alloc) < (size_t) sk->sk_sndbuf;
52}
53
54/*
55 * wait for write bufferage to become available
56 */
57static void rxrpc_write_space(struct sock *sk)
58{
59 _enter("%p", sk);
60 read_lock(&sk->sk_callback_lock);
61 if (rxrpc_writable(sk)) {
62 if (sk->sk_sleep && waitqueue_active(sk->sk_sleep))
63 wake_up_interruptible(sk->sk_sleep);
64 sk_wake_async(sk, 2, POLL_OUT);
65 }
66 read_unlock(&sk->sk_callback_lock);
67}
68
69/*
70 * validate an RxRPC address
71 */
72static int rxrpc_validate_address(struct rxrpc_sock *rx,
73 struct sockaddr_rxrpc *srx,
74 int len)
75{
76 if (len < sizeof(struct sockaddr_rxrpc))
77 return -EINVAL;
78
79 if (srx->srx_family != AF_RXRPC)
80 return -EAFNOSUPPORT;
81
82 if (srx->transport_type != SOCK_DGRAM)
83 return -ESOCKTNOSUPPORT;
84
85 len -= offsetof(struct sockaddr_rxrpc, transport);
86 if (srx->transport_len < sizeof(sa_family_t) ||
87 srx->transport_len > len)
88 return -EINVAL;
89
90 if (srx->transport.family != rx->proto)
91 return -EAFNOSUPPORT;
92
93 switch (srx->transport.family) {
94 case AF_INET:
95 _debug("INET: %x @ %u.%u.%u.%u",
96 ntohs(srx->transport.sin.sin_port),
97 NIPQUAD(srx->transport.sin.sin_addr));
98 if (srx->transport_len > 8)
99 memset((void *)&srx->transport + 8, 0,
100 srx->transport_len - 8);
101 break;
102
103 case AF_INET6:
104 default:
105 return -EAFNOSUPPORT;
106 }
107
108 return 0;
109}
110
111/*
112 * bind a local address to an RxRPC socket
113 */
114static int rxrpc_bind(struct socket *sock, struct sockaddr *saddr, int len)
115{
116 struct sockaddr_rxrpc *srx = (struct sockaddr_rxrpc *) saddr;
117 struct sock *sk = sock->sk;
118 struct rxrpc_local *local;
119 struct rxrpc_sock *rx = rxrpc_sk(sk), *prx;
120 __be16 service_id;
121 int ret;
122
123 _enter("%p,%p,%d", rx, saddr, len);
124
125 ret = rxrpc_validate_address(rx, srx, len);
126 if (ret < 0)
127 goto error;
128
129 lock_sock(&rx->sk);
130
131 if (rx->sk.sk_state != RXRPC_UNCONNECTED) {
132 ret = -EINVAL;
133 goto error_unlock;
134 }
135
136 memcpy(&rx->srx, srx, sizeof(rx->srx));
137
138 /* find a local transport endpoint if we don't have one already */
139 local = rxrpc_lookup_local(&rx->srx);
140 if (IS_ERR(local)) {
141 ret = PTR_ERR(local);
142 goto error_unlock;
143 }
144
145 rx->local = local;
146 if (srx->srx_service) {
147 service_id = htons(srx->srx_service);
148 write_lock_bh(&local->services_lock);
149 list_for_each_entry(prx, &local->services, listen_link) {
150 if (prx->service_id == service_id)
151 goto service_in_use;
152 }
153
154 rx->service_id = service_id;
155 list_add_tail(&rx->listen_link, &local->services);
156 write_unlock_bh(&local->services_lock);
157
158 rx->sk.sk_state = RXRPC_SERVER_BOUND;
159 } else {
160 rx->sk.sk_state = RXRPC_CLIENT_BOUND;
161 }
162
163 release_sock(&rx->sk);
164 _leave(" = 0");
165 return 0;
166
167service_in_use:
168 ret = -EADDRINUSE;
169 write_unlock_bh(&local->services_lock);
170error_unlock:
171 release_sock(&rx->sk);
172error:
173 _leave(" = %d", ret);
174 return ret;
175}
176
177/*
178 * set the number of pending calls permitted on a listening socket
179 */
180static int rxrpc_listen(struct socket *sock, int backlog)
181{
182 struct sock *sk = sock->sk;
183 struct rxrpc_sock *rx = rxrpc_sk(sk);
184 int ret;
185
186 _enter("%p,%d", rx, backlog);
187
188 lock_sock(&rx->sk);
189
190 switch (rx->sk.sk_state) {
191 case RXRPC_UNCONNECTED:
192 ret = -EADDRNOTAVAIL;
193 break;
194 case RXRPC_CLIENT_BOUND:
195 case RXRPC_CLIENT_CONNECTED:
196 default:
197 ret = -EBUSY;
198 break;
199 case RXRPC_SERVER_BOUND:
200 ASSERT(rx->local != NULL);
201 sk->sk_max_ack_backlog = backlog;
202 rx->sk.sk_state = RXRPC_SERVER_LISTENING;
203 ret = 0;
204 break;
205 }
206
207 release_sock(&rx->sk);
208 _leave(" = %d", ret);
209 return ret;
210}
211
212/*
213 * find a transport by address
214 */
215static struct rxrpc_transport *rxrpc_name_to_transport(struct socket *sock,
216 struct sockaddr *addr,
217 int addr_len, int flags)
218{
219 struct sockaddr_rxrpc *srx = (struct sockaddr_rxrpc *) addr;
220 struct rxrpc_transport *trans;
221 struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
222 struct rxrpc_peer *peer;
223
224 _enter("%p,%p,%d,%d", rx, addr, addr_len, flags);
225
226 ASSERT(rx->local != NULL);
227 ASSERT(rx->sk.sk_state > RXRPC_UNCONNECTED);
228
229 if (rx->srx.transport_type != srx->transport_type)
230 return ERR_PTR(-ESOCKTNOSUPPORT);
231 if (rx->srx.transport.family != srx->transport.family)
232 return ERR_PTR(-EAFNOSUPPORT);
233
234 /* find a remote transport endpoint from the local one */
235 peer = rxrpc_get_peer(srx, GFP_KERNEL);
236 if (IS_ERR(peer))
237 return ERR_PTR(PTR_ERR(peer));
238
239 /* find a transport */
240 trans = rxrpc_get_transport(rx->local, peer, GFP_KERNEL);
241 rxrpc_put_peer(peer);
242 _leave(" = %p", trans);
243 return trans;
244}
245
246/*
247 * connect an RxRPC socket
248 * - this just targets it at a specific destination; no actual connection
249 * negotiation takes place
250 */
251static int rxrpc_connect(struct socket *sock, struct sockaddr *addr,
252 int addr_len, int flags)
253{
254 struct sockaddr_rxrpc *srx = (struct sockaddr_rxrpc *) addr;
255 struct sock *sk = sock->sk;
256 struct rxrpc_transport *trans;
257 struct rxrpc_local *local;
258 struct rxrpc_sock *rx = rxrpc_sk(sk);
259 int ret;
260
261 _enter("%p,%p,%d,%d", rx, addr, addr_len, flags);
262
263 ret = rxrpc_validate_address(rx, srx, addr_len);
264 if (ret < 0) {
265 _leave(" = %d [bad addr]", ret);
266 return ret;
267 }
268
269 lock_sock(&rx->sk);
270
271 switch (rx->sk.sk_state) {
272 case RXRPC_UNCONNECTED:
273 /* find a local transport endpoint if we don't have one already */
274 ASSERTCMP(rx->local, ==, NULL);
275 rx->srx.srx_family = AF_RXRPC;
276 rx->srx.srx_service = 0;
277 rx->srx.transport_type = srx->transport_type;
278 rx->srx.transport_len = sizeof(sa_family_t);
279 rx->srx.transport.family = srx->transport.family;
280 local = rxrpc_lookup_local(&rx->srx);
281 if (IS_ERR(local)) {
282 release_sock(&rx->sk);
283 return PTR_ERR(local);
284 }
285 rx->local = local;
286 rx->sk.sk_state = RXRPC_CLIENT_BOUND;
287 case RXRPC_CLIENT_BOUND:
288 break;
289 case RXRPC_CLIENT_CONNECTED:
290 release_sock(&rx->sk);
291 return -EISCONN;
292 default:
293 release_sock(&rx->sk);
294 return -EBUSY; /* server sockets can't connect as well */
295 }
296
297 trans = rxrpc_name_to_transport(sock, addr, addr_len, flags);
298 if (IS_ERR(trans)) {
299 release_sock(&rx->sk);
300 _leave(" = %ld", PTR_ERR(trans));
301 return PTR_ERR(trans);
302 }
303
304 rx->trans = trans;
305 rx->service_id = htons(srx->srx_service);
306 rx->sk.sk_state = RXRPC_CLIENT_CONNECTED;
307
308 release_sock(&rx->sk);
309 return 0;
310}
311
312/*
313 * send a message through an RxRPC socket
314 * - in a client this does a number of things:
315 * - finds/sets up a connection for the security specified (if any)
316 * - initiates a call (ID in control data)
317 * - ends the request phase of a call (if MSG_MORE is not set)
318 * - sends a call data packet
319 * - may send an abort (abort code in control data)
320 */
321static int rxrpc_sendmsg(struct kiocb *iocb, struct socket *sock,
322 struct msghdr *m, size_t len)
323{
324 struct rxrpc_transport *trans;
325 struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
326 int ret;
327
328 _enter(",{%d},,%zu", rx->sk.sk_state, len);
329
330 if (m->msg_flags & MSG_OOB)
331 return -EOPNOTSUPP;
332
333 if (m->msg_name) {
334 ret = rxrpc_validate_address(rx, m->msg_name, m->msg_namelen);
335 if (ret < 0) {
336 _leave(" = %d [bad addr]", ret);
337 return ret;
338 }
339 }
340
341 trans = NULL;
342 lock_sock(&rx->sk);
343
344 if (m->msg_name) {
345 ret = -EISCONN;
346 trans = rxrpc_name_to_transport(sock, m->msg_name,
347 m->msg_namelen, 0);
348 if (IS_ERR(trans)) {
349 ret = PTR_ERR(trans);
350 trans = NULL;
351 goto out;
352 }
353 } else {
354 trans = rx->trans;
355 if (trans)
356 atomic_inc(&trans->usage);
357 }
358
359 switch (rx->sk.sk_state) {
360 case RXRPC_SERVER_LISTENING:
361 if (!m->msg_name) {
362 ret = rxrpc_server_sendmsg(iocb, rx, m, len);
363 break;
364 }
365 case RXRPC_SERVER_BOUND:
366 case RXRPC_CLIENT_BOUND:
367 if (!m->msg_name) {
368 ret = -ENOTCONN;
369 break;
370 }
371 case RXRPC_CLIENT_CONNECTED:
372 ret = rxrpc_client_sendmsg(iocb, rx, trans, m, len);
373 break;
374 default:
375 ret = -ENOTCONN;
376 break;
377 }
378
379out:
380 release_sock(&rx->sk);
381 if (trans)
382 rxrpc_put_transport(trans);
383 _leave(" = %d", ret);
384 return ret;
385}
386
387/*
388 * set RxRPC socket options
389 */
390static int rxrpc_setsockopt(struct socket *sock, int level, int optname,
391 char __user *optval, int optlen)
392{
393 struct rxrpc_sock *rx = rxrpc_sk(sock->sk);
394 unsigned min_sec_level;
395 int ret;
396
397 _enter(",%d,%d,,%d", level, optname, optlen);
398
399 lock_sock(&rx->sk);
400 ret = -EOPNOTSUPP;
401
402 if (level == SOL_RXRPC) {
403 switch (optname) {
404 case RXRPC_EXCLUSIVE_CONNECTION:
405 ret = -EINVAL;
406 if (optlen != 0)
407 goto error;
408 ret = -EISCONN;
409 if (rx->sk.sk_state != RXRPC_UNCONNECTED)
410 goto error;
411 set_bit(RXRPC_SOCK_EXCLUSIVE_CONN, &rx->flags);
412 goto success;
413
414 case RXRPC_SECURITY_KEY:
415 ret = -EINVAL;
416 if (rx->key)
417 goto error;
418 ret = -EISCONN;
419 if (rx->sk.sk_state != RXRPC_UNCONNECTED)
420 goto error;
421 ret = rxrpc_request_key(rx, optval, optlen);
422 goto error;
423
424 case RXRPC_SECURITY_KEYRING:
425 ret = -EINVAL;
426 if (rx->key)
427 goto error;
428 ret = -EISCONN;
429 if (rx->sk.sk_state != RXRPC_UNCONNECTED)
430 goto error;
431 ret = rxrpc_server_keyring(rx, optval, optlen);
432 goto error;
433
434 case RXRPC_MIN_SECURITY_LEVEL:
435 ret = -EINVAL;
436 if (optlen != sizeof(unsigned))
437 goto error;
438 ret = -EISCONN;
439 if (rx->sk.sk_state != RXRPC_UNCONNECTED)
440 goto error;
441 ret = get_user(min_sec_level,
442 (unsigned __user *) optval);
443 if (ret < 0)
444 goto error;
445 ret = -EINVAL;
446 if (min_sec_level > RXRPC_SECURITY_MAX)
447 goto error;
448 rx->min_sec_level = min_sec_level;
449 goto success;
450
451 default:
452 break;
453 }
454 }
455
456success:
457 ret = 0;
458error:
459 release_sock(&rx->sk);
460 return ret;
461}
462
463/*
464 * permit an RxRPC socket to be polled
465 */
466static unsigned int rxrpc_poll(struct file *file, struct socket *sock,
467 poll_table *wait)
468{
469 unsigned int mask;
470 struct sock *sk = sock->sk;
471
472 poll_wait(file, sk->sk_sleep, wait);
473 mask = 0;
474
475 /* the socket is readable if there are any messages waiting on the Rx
476 * queue */
477 if (!skb_queue_empty(&sk->sk_receive_queue))
478 mask |= POLLIN | POLLRDNORM;
479
480 /* the socket is writable if there is space to add new data to the
481 * socket; there is no guarantee that any particular call in progress
482 * on the socket may have space in the Tx ACK window */
483 if (rxrpc_writable(sk))
484 mask |= POLLOUT | POLLWRNORM;
485
486 return mask;
487}
488
489/*
490 * create an RxRPC socket
491 */
492static int rxrpc_create(struct socket *sock, int protocol)
493{
494 struct rxrpc_sock *rx;
495 struct sock *sk;
496
497 _enter("%p,%d", sock, protocol);
498
499 /* we support transport protocol UDP only */
500 if (protocol != PF_INET)
501 return -EPROTONOSUPPORT;
502
503 if (sock->type != SOCK_DGRAM)
504 return -ESOCKTNOSUPPORT;
505
506 sock->ops = &rxrpc_rpc_ops;
507 sock->state = SS_UNCONNECTED;
508
509 sk = sk_alloc(PF_RXRPC, GFP_KERNEL, &rxrpc_proto, 1);
510 if (!sk)
511 return -ENOMEM;
512
513 sock_init_data(sock, sk);
514 sk->sk_state = RXRPC_UNCONNECTED;
515 sk->sk_write_space = rxrpc_write_space;
516 sk->sk_max_ack_backlog = sysctl_rxrpc_max_qlen;
517 sk->sk_destruct = rxrpc_sock_destructor;
518
519 rx = rxrpc_sk(sk);
520 rx->proto = protocol;
521 rx->calls = RB_ROOT;
522
523 INIT_LIST_HEAD(&rx->listen_link);
524 INIT_LIST_HEAD(&rx->secureq);
525 INIT_LIST_HEAD(&rx->acceptq);
526 rwlock_init(&rx->call_lock);
527 memset(&rx->srx, 0, sizeof(rx->srx));
528
529 _leave(" = 0 [%p]", rx);
530 return 0;
531}
532
533/*
534 * RxRPC socket destructor
535 */
536static void rxrpc_sock_destructor(struct sock *sk)
537{
538 _enter("%p", sk);
539
540 rxrpc_purge_queue(&sk->sk_receive_queue);
541
542 BUG_TRAP(!atomic_read(&sk->sk_wmem_alloc));
543 BUG_TRAP(sk_unhashed(sk));
544 BUG_TRAP(!sk->sk_socket);
545
546 if (!sock_flag(sk, SOCK_DEAD)) {
547 printk("Attempt to release alive rxrpc socket: %p\n", sk);
548 return;
549 }
550}
551
552/*
553 * release an RxRPC socket
554 */
555static int rxrpc_release_sock(struct sock *sk)
556{
557 struct rxrpc_sock *rx = rxrpc_sk(sk);
558
559 _enter("%p{%d,%d}", sk, sk->sk_state, atomic_read(&sk->sk_refcnt));
560
561 /* declare the socket closed for business */
562 sock_orphan(sk);
563 sk->sk_shutdown = SHUTDOWN_MASK;
564
565 spin_lock_bh(&sk->sk_receive_queue.lock);
566 sk->sk_state = RXRPC_CLOSE;
567 spin_unlock_bh(&sk->sk_receive_queue.lock);
568
569 ASSERTCMP(rx->listen_link.next, !=, LIST_POISON1);
570
571 if (!list_empty(&rx->listen_link)) {
572 write_lock_bh(&rx->local->services_lock);
573 list_del(&rx->listen_link);
574 write_unlock_bh(&rx->local->services_lock);
575 }
576
577 /* try to flush out this socket */
578 rxrpc_release_calls_on_socket(rx);
579 flush_scheduled_work();
580 rxrpc_purge_queue(&sk->sk_receive_queue);
581
582 if (rx->conn) {
583 rxrpc_put_connection(rx->conn);
584 rx->conn = NULL;
585 }
586
587 if (rx->bundle) {
588 rxrpc_put_bundle(rx->trans, rx->bundle);
589 rx->bundle = NULL;
590 }
591 if (rx->trans) {
592 rxrpc_put_transport(rx->trans);
593 rx->trans = NULL;
594 }
595 if (rx->local) {
596 rxrpc_put_local(rx->local);
597 rx->local = NULL;
598 }
599
600 key_put(rx->key);
601 rx->key = NULL;
602 key_put(rx->securities);
603 rx->securities = NULL;
604 sock_put(sk);
605
606 _leave(" = 0");
607 return 0;
608}
609
610/*
611 * release an RxRPC BSD socket on close() or equivalent
612 */
613static int rxrpc_release(struct socket *sock)
614{
615 struct sock *sk = sock->sk;
616
617 _enter("%p{%p}", sock, sk);
618
619 if (!sk)
620 return 0;
621
622 sock->sk = NULL;
623
624 return rxrpc_release_sock(sk);
625}
626
627/*
628 * RxRPC network protocol
629 */
630static const struct proto_ops rxrpc_rpc_ops = {
631 .family = PF_UNIX,
632 .owner = THIS_MODULE,
633 .release = rxrpc_release,
634 .bind = rxrpc_bind,
635 .connect = rxrpc_connect,
636 .socketpair = sock_no_socketpair,
637 .accept = sock_no_accept,
638 .getname = sock_no_getname,
639 .poll = rxrpc_poll,
640 .ioctl = sock_no_ioctl,
641 .listen = rxrpc_listen,
642 .shutdown = sock_no_shutdown,
643 .setsockopt = rxrpc_setsockopt,
644 .getsockopt = sock_no_getsockopt,
645 .sendmsg = rxrpc_sendmsg,
646 .recvmsg = rxrpc_recvmsg,
647 .mmap = sock_no_mmap,
648 .sendpage = sock_no_sendpage,
649};
650
651static struct proto rxrpc_proto = {
652 .name = "RXRPC",
653 .owner = THIS_MODULE,
654 .obj_size = sizeof(struct rxrpc_sock),
655 .max_header = sizeof(struct rxrpc_header),
656};
657
658static struct net_proto_family rxrpc_family_ops = {
659 .family = PF_RXRPC,
660 .create = rxrpc_create,
661 .owner = THIS_MODULE,
662};
663
664/*
665 * initialise and register the RxRPC protocol
666 */
667static int __init af_rxrpc_init(void)
668{
669 struct sk_buff *dummy_skb;
670 int ret = -1;
671
672 BUILD_BUG_ON(sizeof(struct rxrpc_skb_priv) > sizeof(dummy_skb->cb));
673
674 rxrpc_epoch = htonl(xtime.tv_sec);
675
676 rxrpc_call_jar = kmem_cache_create(
677 "rxrpc_call_jar", sizeof(struct rxrpc_call), 0,
678 SLAB_HWCACHE_ALIGN, NULL, NULL);
679 if (!rxrpc_call_jar) {
680 printk(KERN_NOTICE "RxRPC: Failed to allocate call jar\n");
681 ret = -ENOMEM;
682 goto error_call_jar;
683 }
684
685 ret = proto_register(&rxrpc_proto, 1);
686 if (ret < 0) {
687 printk(KERN_CRIT "RxRPC: Cannot register protocol\n");
688 goto error_proto;
689 }
690
691 ret = sock_register(&rxrpc_family_ops);
692 if (ret < 0) {
693 printk(KERN_CRIT "RxRPC: Cannot register socket family\n");
694 goto error_sock;
695 }
696
697 ret = register_key_type(&key_type_rxrpc);
698 if (ret < 0) {
699 printk(KERN_CRIT "RxRPC: Cannot register client key type\n");
700 goto error_key_type;
701 }
702
703 ret = register_key_type(&key_type_rxrpc_s);
704 if (ret < 0) {
705 printk(KERN_CRIT "RxRPC: Cannot register server key type\n");
706 goto error_key_type_s;
707 }
708
709#ifdef CONFIG_PROC_FS
710 proc_net_fops_create("rxrpc_calls", 0, &rxrpc_call_seq_fops);
711 proc_net_fops_create("rxrpc_conns", 0, &rxrpc_connection_seq_fops);
712#endif
713 return 0;
714
715error_key_type_s:
716 unregister_key_type(&key_type_rxrpc);
717error_key_type:
718 sock_unregister(PF_RXRPC);
719error_sock:
720 proto_unregister(&rxrpc_proto);
721error_proto:
722 kmem_cache_destroy(rxrpc_call_jar);
723error_call_jar:
724 return ret;
725}
726
727/*
728 * unregister the RxRPC protocol
729 */
730static void __exit af_rxrpc_exit(void)
731{
732 _enter("");
733 unregister_key_type(&key_type_rxrpc_s);
734 unregister_key_type(&key_type_rxrpc);
735 sock_unregister(PF_RXRPC);
736 proto_unregister(&rxrpc_proto);
737 rxrpc_destroy_all_calls();
738 rxrpc_destroy_all_connections();
739 rxrpc_destroy_all_transports();
740 rxrpc_destroy_all_peers();
741 rxrpc_destroy_all_locals();
742
743 ASSERTCMP(atomic_read(&rxrpc_n_skbs), ==, 0);
744
745 _debug("flush scheduled work");
746 flush_scheduled_work();
747 proc_net_remove("rxrpc_conns");
748 proc_net_remove("rxrpc_calls");
749 kmem_cache_destroy(rxrpc_call_jar);
750 _leave("");
751}
752
753module_init(af_rxrpc_init);
754module_exit(af_rxrpc_exit);