1/*
2 * ng_btsocket_l2cap_raw.c
3 *
4 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $Id: ng_btsocket_l2cap_raw.c,v 1.12 2003/09/14 23:29:06 max Exp $
| 1/*
2 * ng_btsocket_l2cap_raw.c
3 *
4 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $Id: ng_btsocket_l2cap_raw.c,v 1.12 2003/09/14 23:29:06 max Exp $
|
29 * $FreeBSD: head/sys/netgraph/bluetooth/socket/ng_btsocket_l2cap_raw.c 121054 2003-10-12 22:04:24Z emax $
| 29 * $FreeBSD: head/sys/netgraph/bluetooth/socket/ng_btsocket_l2cap_raw.c 123812 2003-12-24 18:51:01Z alfred $
|
30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/bitstring.h>
35#include <sys/domain.h>
36#include <sys/errno.h>
37#include <sys/filedesc.h>
38#include <sys/ioccom.h>
39#include <sys/kernel.h>
40#include <sys/lock.h>
41#include <sys/malloc.h>
42#include <sys/mbuf.h>
43#include <sys/mutex.h>
44#include <sys/protosw.h>
45#include <sys/queue.h>
46#include <sys/socket.h>
47#include <sys/socketvar.h>
48#include <sys/sysctl.h>
49#include <sys/taskqueue.h>
50#include <netgraph/ng_message.h>
51#include <netgraph/netgraph.h>
52#include "ng_bluetooth.h"
53#include "ng_hci.h"
54#include "ng_l2cap.h"
55#include "ng_btsocket.h"
56#include "ng_btsocket_l2cap.h"
57
58/* MALLOC define */
59#ifdef NG_SEPARATE_MALLOC
60MALLOC_DEFINE(M_NETGRAPH_BTSOCKET_L2CAP_RAW, "netgraph_btsocks_l2cap_raw",
61 "Netgraph Bluetooth raw L2CAP sockets");
62#else
63#define M_NETGRAPH_BTSOCKET_L2CAP_RAW M_NETGRAPH
64#endif /* NG_SEPARATE_MALLOC */
65
66/* Netgraph node methods */
67static ng_constructor_t ng_btsocket_l2cap_raw_node_constructor;
68static ng_rcvmsg_t ng_btsocket_l2cap_raw_node_rcvmsg;
69static ng_shutdown_t ng_btsocket_l2cap_raw_node_shutdown;
70static ng_newhook_t ng_btsocket_l2cap_raw_node_newhook;
71static ng_connect_t ng_btsocket_l2cap_raw_node_connect;
72static ng_rcvdata_t ng_btsocket_l2cap_raw_node_rcvdata;
73static ng_disconnect_t ng_btsocket_l2cap_raw_node_disconnect;
74
75static void ng_btsocket_l2cap_raw_input (void *, int);
76static void ng_btsocket_l2cap_raw_rtclean (void *, int);
77static void ng_btsocket_l2cap_raw_get_token (u_int32_t *);
78
79static int ng_btsocket_l2cap_raw_send_ngmsg
80 (hook_p, int, void *, int);
81static int ng_btsocket_l2cap_raw_send_sync_ngmsg
82 (ng_btsocket_l2cap_raw_pcb_p, int, void *, int);
83
84#define ng_btsocket_l2cap_raw_wakeup_input_task() \
85 taskqueue_enqueue(taskqueue_swi_giant, &ng_btsocket_l2cap_raw_queue_task)
86
87#define ng_btsocket_l2cap_raw_wakeup_route_task() \
88 taskqueue_enqueue(taskqueue_swi_giant, &ng_btsocket_l2cap_raw_rt_task)
89
90/* Netgraph type descriptor */
91static struct ng_type typestruct = {
92 NG_ABI_VERSION,
93 NG_BTSOCKET_L2CAP_RAW_NODE_TYPE, /* typename */
94 NULL, /* modevent */
95 ng_btsocket_l2cap_raw_node_constructor, /* constructor */
96 ng_btsocket_l2cap_raw_node_rcvmsg, /* control message */
97 ng_btsocket_l2cap_raw_node_shutdown, /* destructor */
98 ng_btsocket_l2cap_raw_node_newhook, /* new hook */
99 NULL, /* find hook */
100 ng_btsocket_l2cap_raw_node_connect, /* connect hook */
101 ng_btsocket_l2cap_raw_node_rcvdata, /* data */
102 ng_btsocket_l2cap_raw_node_disconnect, /* disconnect hook */
103 NULL /* node command list */
104};
105
106/* Globals */
107extern int ifqmaxlen;
108static u_int32_t ng_btsocket_l2cap_raw_debug_level;
109static u_int32_t ng_btsocket_l2cap_raw_ioctl_timeout;
110static node_p ng_btsocket_l2cap_raw_node;
111static struct ng_bt_itemq ng_btsocket_l2cap_raw_queue;
112static struct mtx ng_btsocket_l2cap_raw_queue_mtx;
113static struct task ng_btsocket_l2cap_raw_queue_task;
114static LIST_HEAD(, ng_btsocket_l2cap_raw_pcb) ng_btsocket_l2cap_raw_sockets;
115static struct mtx ng_btsocket_l2cap_raw_sockets_mtx;
116static u_int32_t ng_btsocket_l2cap_raw_token;
117static struct mtx ng_btsocket_l2cap_raw_token_mtx;
118static LIST_HEAD(, ng_btsocket_l2cap_rtentry) ng_btsocket_l2cap_raw_rt;
119static struct mtx ng_btsocket_l2cap_raw_rt_mtx;
120static struct task ng_btsocket_l2cap_raw_rt_task;
121
122/* Sysctl tree */
123SYSCTL_DECL(_net_bluetooth_l2cap_sockets);
124SYSCTL_NODE(_net_bluetooth_l2cap_sockets, OID_AUTO, raw, CTLFLAG_RW,
125 0, "Bluetooth raw L2CAP sockets family");
126SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, debug_level,
127 CTLFLAG_RW,
128 &ng_btsocket_l2cap_raw_debug_level, NG_BTSOCKET_WARN_LEVEL,
129 "Bluetooth raw L2CAP sockets debug level");
130SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, ioctl_timeout,
131 CTLFLAG_RW,
132 &ng_btsocket_l2cap_raw_ioctl_timeout, 5,
133 "Bluetooth raw L2CAP sockets ioctl timeout");
134SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, queue_len,
135 CTLFLAG_RD,
136 &ng_btsocket_l2cap_raw_queue.len, 0,
137 "Bluetooth raw L2CAP sockets input queue length");
138SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, queue_maxlen,
139 CTLFLAG_RD,
140 &ng_btsocket_l2cap_raw_queue.maxlen, 0,
141 "Bluetooth raw L2CAP sockets input queue max. length");
142SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, queue_drops,
143 CTLFLAG_RD,
144 &ng_btsocket_l2cap_raw_queue.drops, 0,
145 "Bluetooth raw L2CAP sockets input queue drops");
146
147/* Debug */
148#define NG_BTSOCKET_L2CAP_RAW_INFO \
149 if (ng_btsocket_l2cap_raw_debug_level >= NG_BTSOCKET_INFO_LEVEL) \
150 printf
151
152#define NG_BTSOCKET_L2CAP_RAW_WARN \
153 if (ng_btsocket_l2cap_raw_debug_level >= NG_BTSOCKET_WARN_LEVEL) \
154 printf
155
156#define NG_BTSOCKET_L2CAP_RAW_ERR \
157 if (ng_btsocket_l2cap_raw_debug_level >= NG_BTSOCKET_ERR_LEVEL) \
158 printf
159
160#define NG_BTSOCKET_L2CAP_RAW_ALERT \
161 if (ng_btsocket_l2cap_raw_debug_level >= NG_BTSOCKET_ALERT_LEVEL) \
162 printf
163
164/*****************************************************************************
165 *****************************************************************************
166 ** Netgraph node interface
167 *****************************************************************************
168 *****************************************************************************/
169
170/*
171 * Netgraph node constructor. Do not allow to create node of this type.
172 */
173
174static int
175ng_btsocket_l2cap_raw_node_constructor(node_p node)
176{
177 return (EINVAL);
178} /* ng_btsocket_l2cap_raw_node_constructor */
179
180/*
181 * Do local shutdown processing. Let old node go and create new fresh one.
182 */
183
184static int
185ng_btsocket_l2cap_raw_node_shutdown(node_p node)
186{
187 int error = 0;
188
189 NG_NODE_UNREF(node);
190
191 /* Create new node */
192 error = ng_make_node_common(&typestruct, &ng_btsocket_l2cap_raw_node);
193 if (error != 0) {
194 NG_BTSOCKET_L2CAP_RAW_ALERT(
195"%s: Could not create Netgraph node, error=%d\n", __func__, error);
196
197 ng_btsocket_l2cap_raw_node = NULL;
198
199 return (error);
200 }
201
202 error = ng_name_node(ng_btsocket_l2cap_raw_node,
203 NG_BTSOCKET_L2CAP_RAW_NODE_TYPE);
| 30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/bitstring.h>
35#include <sys/domain.h>
36#include <sys/errno.h>
37#include <sys/filedesc.h>
38#include <sys/ioccom.h>
39#include <sys/kernel.h>
40#include <sys/lock.h>
41#include <sys/malloc.h>
42#include <sys/mbuf.h>
43#include <sys/mutex.h>
44#include <sys/protosw.h>
45#include <sys/queue.h>
46#include <sys/socket.h>
47#include <sys/socketvar.h>
48#include <sys/sysctl.h>
49#include <sys/taskqueue.h>
50#include <netgraph/ng_message.h>
51#include <netgraph/netgraph.h>
52#include "ng_bluetooth.h"
53#include "ng_hci.h"
54#include "ng_l2cap.h"
55#include "ng_btsocket.h"
56#include "ng_btsocket_l2cap.h"
57
58/* MALLOC define */
59#ifdef NG_SEPARATE_MALLOC
60MALLOC_DEFINE(M_NETGRAPH_BTSOCKET_L2CAP_RAW, "netgraph_btsocks_l2cap_raw",
61 "Netgraph Bluetooth raw L2CAP sockets");
62#else
63#define M_NETGRAPH_BTSOCKET_L2CAP_RAW M_NETGRAPH
64#endif /* NG_SEPARATE_MALLOC */
65
66/* Netgraph node methods */
67static ng_constructor_t ng_btsocket_l2cap_raw_node_constructor;
68static ng_rcvmsg_t ng_btsocket_l2cap_raw_node_rcvmsg;
69static ng_shutdown_t ng_btsocket_l2cap_raw_node_shutdown;
70static ng_newhook_t ng_btsocket_l2cap_raw_node_newhook;
71static ng_connect_t ng_btsocket_l2cap_raw_node_connect;
72static ng_rcvdata_t ng_btsocket_l2cap_raw_node_rcvdata;
73static ng_disconnect_t ng_btsocket_l2cap_raw_node_disconnect;
74
75static void ng_btsocket_l2cap_raw_input (void *, int);
76static void ng_btsocket_l2cap_raw_rtclean (void *, int);
77static void ng_btsocket_l2cap_raw_get_token (u_int32_t *);
78
79static int ng_btsocket_l2cap_raw_send_ngmsg
80 (hook_p, int, void *, int);
81static int ng_btsocket_l2cap_raw_send_sync_ngmsg
82 (ng_btsocket_l2cap_raw_pcb_p, int, void *, int);
83
84#define ng_btsocket_l2cap_raw_wakeup_input_task() \
85 taskqueue_enqueue(taskqueue_swi_giant, &ng_btsocket_l2cap_raw_queue_task)
86
87#define ng_btsocket_l2cap_raw_wakeup_route_task() \
88 taskqueue_enqueue(taskqueue_swi_giant, &ng_btsocket_l2cap_raw_rt_task)
89
90/* Netgraph type descriptor */
91static struct ng_type typestruct = {
92 NG_ABI_VERSION,
93 NG_BTSOCKET_L2CAP_RAW_NODE_TYPE, /* typename */
94 NULL, /* modevent */
95 ng_btsocket_l2cap_raw_node_constructor, /* constructor */
96 ng_btsocket_l2cap_raw_node_rcvmsg, /* control message */
97 ng_btsocket_l2cap_raw_node_shutdown, /* destructor */
98 ng_btsocket_l2cap_raw_node_newhook, /* new hook */
99 NULL, /* find hook */
100 ng_btsocket_l2cap_raw_node_connect, /* connect hook */
101 ng_btsocket_l2cap_raw_node_rcvdata, /* data */
102 ng_btsocket_l2cap_raw_node_disconnect, /* disconnect hook */
103 NULL /* node command list */
104};
105
106/* Globals */
107extern int ifqmaxlen;
108static u_int32_t ng_btsocket_l2cap_raw_debug_level;
109static u_int32_t ng_btsocket_l2cap_raw_ioctl_timeout;
110static node_p ng_btsocket_l2cap_raw_node;
111static struct ng_bt_itemq ng_btsocket_l2cap_raw_queue;
112static struct mtx ng_btsocket_l2cap_raw_queue_mtx;
113static struct task ng_btsocket_l2cap_raw_queue_task;
114static LIST_HEAD(, ng_btsocket_l2cap_raw_pcb) ng_btsocket_l2cap_raw_sockets;
115static struct mtx ng_btsocket_l2cap_raw_sockets_mtx;
116static u_int32_t ng_btsocket_l2cap_raw_token;
117static struct mtx ng_btsocket_l2cap_raw_token_mtx;
118static LIST_HEAD(, ng_btsocket_l2cap_rtentry) ng_btsocket_l2cap_raw_rt;
119static struct mtx ng_btsocket_l2cap_raw_rt_mtx;
120static struct task ng_btsocket_l2cap_raw_rt_task;
121
122/* Sysctl tree */
123SYSCTL_DECL(_net_bluetooth_l2cap_sockets);
124SYSCTL_NODE(_net_bluetooth_l2cap_sockets, OID_AUTO, raw, CTLFLAG_RW,
125 0, "Bluetooth raw L2CAP sockets family");
126SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, debug_level,
127 CTLFLAG_RW,
128 &ng_btsocket_l2cap_raw_debug_level, NG_BTSOCKET_WARN_LEVEL,
129 "Bluetooth raw L2CAP sockets debug level");
130SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, ioctl_timeout,
131 CTLFLAG_RW,
132 &ng_btsocket_l2cap_raw_ioctl_timeout, 5,
133 "Bluetooth raw L2CAP sockets ioctl timeout");
134SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, queue_len,
135 CTLFLAG_RD,
136 &ng_btsocket_l2cap_raw_queue.len, 0,
137 "Bluetooth raw L2CAP sockets input queue length");
138SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, queue_maxlen,
139 CTLFLAG_RD,
140 &ng_btsocket_l2cap_raw_queue.maxlen, 0,
141 "Bluetooth raw L2CAP sockets input queue max. length");
142SYSCTL_INT(_net_bluetooth_l2cap_sockets_raw, OID_AUTO, queue_drops,
143 CTLFLAG_RD,
144 &ng_btsocket_l2cap_raw_queue.drops, 0,
145 "Bluetooth raw L2CAP sockets input queue drops");
146
147/* Debug */
148#define NG_BTSOCKET_L2CAP_RAW_INFO \
149 if (ng_btsocket_l2cap_raw_debug_level >= NG_BTSOCKET_INFO_LEVEL) \
150 printf
151
152#define NG_BTSOCKET_L2CAP_RAW_WARN \
153 if (ng_btsocket_l2cap_raw_debug_level >= NG_BTSOCKET_WARN_LEVEL) \
154 printf
155
156#define NG_BTSOCKET_L2CAP_RAW_ERR \
157 if (ng_btsocket_l2cap_raw_debug_level >= NG_BTSOCKET_ERR_LEVEL) \
158 printf
159
160#define NG_BTSOCKET_L2CAP_RAW_ALERT \
161 if (ng_btsocket_l2cap_raw_debug_level >= NG_BTSOCKET_ALERT_LEVEL) \
162 printf
163
164/*****************************************************************************
165 *****************************************************************************
166 ** Netgraph node interface
167 *****************************************************************************
168 *****************************************************************************/
169
170/*
171 * Netgraph node constructor. Do not allow to create node of this type.
172 */
173
174static int
175ng_btsocket_l2cap_raw_node_constructor(node_p node)
176{
177 return (EINVAL);
178} /* ng_btsocket_l2cap_raw_node_constructor */
179
180/*
181 * Do local shutdown processing. Let old node go and create new fresh one.
182 */
183
184static int
185ng_btsocket_l2cap_raw_node_shutdown(node_p node)
186{
187 int error = 0;
188
189 NG_NODE_UNREF(node);
190
191 /* Create new node */
192 error = ng_make_node_common(&typestruct, &ng_btsocket_l2cap_raw_node);
193 if (error != 0) {
194 NG_BTSOCKET_L2CAP_RAW_ALERT(
195"%s: Could not create Netgraph node, error=%d\n", __func__, error);
196
197 ng_btsocket_l2cap_raw_node = NULL;
198
199 return (error);
200 }
201
202 error = ng_name_node(ng_btsocket_l2cap_raw_node,
203 NG_BTSOCKET_L2CAP_RAW_NODE_TYPE);
|
204 if (error != NULL) {
| 204 if (error != 0) {
|
205 NG_BTSOCKET_L2CAP_RAW_ALERT(
206"%s: Could not name Netgraph node, error=%d\n", __func__, error);
207
208 NG_NODE_UNREF(ng_btsocket_l2cap_raw_node);
209 ng_btsocket_l2cap_raw_node = NULL;
210
211 return (error);
212 }
213
214 return (0);
215} /* ng_btsocket_l2cap_raw_node_shutdown */
216
217/*
218 * We allow any hook to be connected to the node.
219 */
220
221static int
222ng_btsocket_l2cap_raw_node_newhook(node_p node, hook_p hook, char const *name)
223{
224 return (0);
225} /* ng_btsocket_l2cap_raw_node_newhook */
226
227/*
228 * Just say "YEP, that's OK by me!"
229 */
230
231static int
232ng_btsocket_l2cap_raw_node_connect(hook_p hook)
233{
234 NG_HOOK_SET_PRIVATE(hook, NULL);
235 NG_HOOK_REF(hook); /* Keep extra reference to the hook */
236
237 return (0);
238} /* ng_btsocket_l2cap_raw_node_connect */
239
240/*
241 * Hook disconnection. Schedule route cleanup task
242 */
243
244static int
245ng_btsocket_l2cap_raw_node_disconnect(hook_p hook)
246{
247 /*
248 * If hook has private information than we must have this hook in
249 * the routing table and must schedule cleaning for the routing table.
250 * Otherwise hook was connected but we never got "hook_info" message,
251 * so we have never added this hook to the routing table and it save
252 * to just delete it.
253 */
254
255 if (NG_HOOK_PRIVATE(hook) != NULL)
256 return (ng_btsocket_l2cap_raw_wakeup_route_task());
257
258 NG_HOOK_UNREF(hook); /* Remove extra reference */
259
260 return (0);
261} /* ng_btsocket_l2cap_raw_node_disconnect */
262
263/*
264 * Process incoming messages
265 */
266
267static int
268ng_btsocket_l2cap_raw_node_rcvmsg(node_p node, item_p item, hook_p hook)
269{
270 struct ng_mesg *msg = NGI_MSG(item); /* item still has message */
271 int error = 0;
272
273 if (msg != NULL && msg->header.typecookie == NGM_L2CAP_COOKIE) {
274
275 /*
276 * NGM_L2CAP_NODE_HOOK_INFO is special message initiated by
277 * L2CAP layer. Ignore all other messages if they are not
278 * replies or token is zero
279 */
280
281 if (msg->header.cmd != NGM_L2CAP_NODE_HOOK_INFO) {
282 if (msg->header.token == 0 ||
283 !(msg->header.flags & NGF_RESP)) {
284 NG_FREE_ITEM(item);
285 return (0);
286 }
287 }
288
289 mtx_lock(&ng_btsocket_l2cap_raw_queue_mtx);
290 if (NG_BT_ITEMQ_FULL(&ng_btsocket_l2cap_raw_queue)) {
291 NG_BTSOCKET_L2CAP_RAW_ERR(
292"%s: Input queue is full\n", __func__);
293
294 NG_BT_ITEMQ_DROP(&ng_btsocket_l2cap_raw_queue);
295 NG_FREE_ITEM(item);
296 error = ENOBUFS;
297 } else {
298 if (hook != NULL) {
299 NG_HOOK_REF(hook);
300 NGI_SET_HOOK(item, hook);
301 }
302
303 NG_BT_ITEMQ_ENQUEUE(&ng_btsocket_l2cap_raw_queue, item);
304 error = ng_btsocket_l2cap_raw_wakeup_input_task();
305 }
306 mtx_unlock(&ng_btsocket_l2cap_raw_queue_mtx);
307 } else {
308 NG_FREE_ITEM(item);
309 error = EINVAL;
310 }
311
312 return (error);
313} /* ng_btsocket_l2cap_raw_node_rcvmsg */
314
315/*
316 * Receive data on a hook
317 */
318
319static int
320ng_btsocket_l2cap_raw_node_rcvdata(hook_p hook, item_p item)
321{
322 NG_FREE_ITEM(item);
323
324 return (EINVAL);
325} /* ng_btsocket_l2cap_raw_node_rcvdata */
326
327/*****************************************************************************
328 *****************************************************************************
329 ** Socket interface
330 *****************************************************************************
331 *****************************************************************************/
332
333/*
334 * L2CAP sockets input routine
335 */
336
337static void
338ng_btsocket_l2cap_raw_input(void *context, int pending)
339{
340 item_p item = NULL;
341 hook_p hook = NULL;
342 struct ng_mesg *msg = NULL;
343
344 for (;;) {
345 mtx_lock(&ng_btsocket_l2cap_raw_queue_mtx);
346 NG_BT_ITEMQ_DEQUEUE(&ng_btsocket_l2cap_raw_queue, item);
347 mtx_unlock(&ng_btsocket_l2cap_raw_queue_mtx);
348
349 if (item == NULL)
350 break;
351
352 KASSERT((item->el_flags & NGQF_TYPE) == NGQF_MESG,
353("%s: invalid item type=%ld\n", __func__, (item->el_flags & NGQF_TYPE)));
354
355 NGI_GET_MSG(item, msg);
356 NGI_GET_HOOK(item, hook);
357 NG_FREE_ITEM(item);
358
359 switch (msg->header.cmd) {
360 case NGM_L2CAP_NODE_HOOK_INFO: {
361 ng_btsocket_l2cap_rtentry_t *rt = NULL;
362
363 if (hook == NULL || NG_HOOK_NOT_VALID(hook) ||
364 msg->header.arglen != sizeof(bdaddr_t))
365 break;
366
367 if (bcmp(msg->data, NG_HCI_BDADDR_ANY,
368 sizeof(bdaddr_t)) == 0)
369 break;
370
371 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
372
373 rt = (ng_btsocket_l2cap_rtentry_t *)
374 NG_HOOK_PRIVATE(hook);
375 if (rt == NULL) {
376 MALLOC(rt, ng_btsocket_l2cap_rtentry_p,
377 sizeof(*rt),
378 M_NETGRAPH_BTSOCKET_L2CAP_RAW,
379 M_NOWAIT|M_ZERO);
380 if (rt == NULL) {
381 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
382 break;
383 }
384
385 LIST_INSERT_HEAD(&ng_btsocket_l2cap_raw_rt,
386 rt, next);
387
388 NG_HOOK_SET_PRIVATE(hook, rt);
389 }
390
391 bcopy(msg->data, &rt->src, sizeof(rt->src));
392 rt->hook = hook;
393
394 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
395
396 NG_BTSOCKET_L2CAP_RAW_INFO(
397"%s: Updating hook \"%s\", src bdaddr=%x:%x:%x:%x:%x:%x\n",
398 __func__, NG_HOOK_NAME(hook),
399 rt->src.b[5], rt->src.b[4], rt->src.b[3],
400 rt->src.b[2], rt->src.b[1], rt->src.b[0]);
401 } break;
402
403 case NGM_L2CAP_NODE_GET_FLAGS:
404 case NGM_L2CAP_NODE_GET_DEBUG:
405 case NGM_L2CAP_NODE_GET_CON_LIST:
406 case NGM_L2CAP_NODE_GET_CHAN_LIST:
407 case NGM_L2CAP_NODE_GET_AUTO_DISCON_TIMO:
408 case NGM_L2CAP_L2CA_PING:
409 case NGM_L2CAP_L2CA_GET_INFO: {
410 ng_btsocket_l2cap_raw_pcb_p pcb = NULL;
411
412 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
413
414 LIST_FOREACH(pcb,&ng_btsocket_l2cap_raw_sockets,next) {
415 mtx_lock(&pcb->pcb_mtx);
416
417 if (pcb->token == msg->header.token) {
418 pcb->msg = msg;
419 msg = NULL;
420 wakeup(&pcb->msg);
421 mtx_unlock(&pcb->pcb_mtx);
422 break;
423 }
424
425 mtx_unlock(&pcb->pcb_mtx);
426 }
427
428 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
429 } break;
430
431 default:
432 NG_BTSOCKET_L2CAP_RAW_WARN(
433"%s: Unknown message, cmd=%d\n", __func__, msg->header.cmd);
434 break;
435 }
436
437 if (hook != NULL)
438 NG_HOOK_UNREF(hook); /* remove extra reference */
439
440 NG_FREE_MSG(msg); /* Checks for msg != NULL */
441 }
442} /* ng_btsocket_l2cap_raw_input */
443
444/*
445 * Route cleanup task. Gets scheduled when hook is disconnected. Here we
446 * will find all sockets that use "invalid" hook and disconnect them.
447 */
448
449static void
450ng_btsocket_l2cap_raw_rtclean(void *context, int pending)
451{
452 ng_btsocket_l2cap_raw_pcb_p pcb = NULL;
453 ng_btsocket_l2cap_rtentry_p rt = NULL;
454
455 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
456 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
457
458 /*
459 * First disconnect all sockets that use "invalid" hook
460 */
461
462 LIST_FOREACH(pcb, &ng_btsocket_l2cap_raw_sockets, next) {
463 mtx_lock(&pcb->pcb_mtx);
464
465 if (pcb->rt != NULL &&
466 pcb->rt->hook != NULL && NG_HOOK_NOT_VALID(pcb->rt->hook)) {
467 if (pcb->so != NULL &&
468 pcb->so->so_state & SS_ISCONNECTED)
469 soisdisconnected(pcb->so);
470
471 pcb->rt = NULL;
472 }
473
474 mtx_unlock(&pcb->pcb_mtx);
475 }
476
477 /*
478 * Now cleanup routing table
479 */
480
481 for (rt = LIST_FIRST(&ng_btsocket_l2cap_raw_rt); rt != NULL; ) {
482 ng_btsocket_l2cap_rtentry_p rt_next = LIST_NEXT(rt, next);
483
484 if (rt->hook != NULL && NG_HOOK_NOT_VALID(rt->hook)) {
485 LIST_REMOVE(rt, next);
486
487 NG_HOOK_SET_PRIVATE(rt->hook, NULL);
488 NG_HOOK_UNREF(rt->hook); /* Remove extra reference */
489
490 bzero(rt, sizeof(*rt));
491 FREE(rt, M_NETGRAPH_BTSOCKET_L2CAP_RAW);
492 }
493
494 rt = rt_next;
495 }
496
497 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
498 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
499} /* ng_btsocket_l2cap_raw_rtclean */
500
501/*
502 * Initialize everything
503 */
504
505void
506ng_btsocket_l2cap_raw_init(void)
507{
508 int error = 0;
509
510 ng_btsocket_l2cap_raw_node = NULL;
511 ng_btsocket_l2cap_raw_debug_level = NG_BTSOCKET_WARN_LEVEL;
512 ng_btsocket_l2cap_raw_ioctl_timeout = 5;
513
514 /* Register Netgraph node type */
515 error = ng_newtype(&typestruct);
516 if (error != 0) {
517 NG_BTSOCKET_L2CAP_RAW_ALERT(
518"%s: Could not register Netgraph node type, error=%d\n", __func__, error);
519
520 return;
521 }
522
523 /* Create Netgrapg node */
524 error = ng_make_node_common(&typestruct, &ng_btsocket_l2cap_raw_node);
525 if (error != 0) {
526 NG_BTSOCKET_L2CAP_RAW_ALERT(
527"%s: Could not create Netgraph node, error=%d\n", __func__, error);
528
529 ng_btsocket_l2cap_raw_node = NULL;
530
531 return;
532 }
533
534 error = ng_name_node(ng_btsocket_l2cap_raw_node,
535 NG_BTSOCKET_L2CAP_RAW_NODE_TYPE);
536 if (error != 0) {
537 NG_BTSOCKET_L2CAP_RAW_ALERT(
538"%s: Could not name Netgraph node, error=%d\n", __func__, error);
539
540 NG_NODE_UNREF(ng_btsocket_l2cap_raw_node);
541 ng_btsocket_l2cap_raw_node = NULL;
542
543 return;
544 }
545
546 /* Create input queue */
547 NG_BT_ITEMQ_INIT(&ng_btsocket_l2cap_raw_queue, ifqmaxlen);
548 mtx_init(&ng_btsocket_l2cap_raw_queue_mtx,
549 "btsocks_l2cap_queue_mtx", NULL, MTX_DEF);
550 TASK_INIT(&ng_btsocket_l2cap_raw_queue_task, 0,
551 ng_btsocket_l2cap_raw_input, NULL);
552
553 /* Create list of sockets */
554 LIST_INIT(&ng_btsocket_l2cap_raw_sockets);
555 mtx_init(&ng_btsocket_l2cap_raw_sockets_mtx,
556 "btsocks_l2cap_sockets_mtx", NULL, MTX_DEF);
557
558 /* Tokens */
559 ng_btsocket_l2cap_raw_token = 0;
560 mtx_init(&ng_btsocket_l2cap_raw_token_mtx,
561 "btsocks_l2cap_token_mtx", NULL, MTX_DEF);
562
563 /* Routing table */
564 LIST_INIT(&ng_btsocket_l2cap_raw_rt);
565 mtx_init(&ng_btsocket_l2cap_raw_rt_mtx,
566 "btsocks_l2cap_rt_mtx", NULL, MTX_DEF);
567 TASK_INIT(&ng_btsocket_l2cap_raw_rt_task, 0,
568 ng_btsocket_l2cap_raw_rtclean, NULL);
569} /* ng_btsocket_l2cap_raw_init */
570
571/*
572 * Abort connection on socket
573 */
574
575int
576ng_btsocket_l2cap_raw_abort(struct socket *so)
577{
578 return (ng_btsocket_l2cap_raw_detach(so));
579} /* ng_btsocket_l2cap_raw_abort */
580
581/*
582 * Create and attach new socket
583 */
584
585int
586ng_btsocket_l2cap_raw_attach(struct socket *so, int proto, struct thread *td)
587{
588 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
589 int error;
590
591 if (pcb != NULL)
592 return (EISCONN);
593
594 if (ng_btsocket_l2cap_raw_node == NULL)
595 return (EPROTONOSUPPORT);
596 if (so->so_type != SOCK_RAW)
597 return (ESOCKTNOSUPPORT);
598
599 /* Reserve send and receive space if it is not reserved yet */
600 error = soreserve(so, NG_BTSOCKET_L2CAP_RAW_SENDSPACE,
601 NG_BTSOCKET_L2CAP_RAW_RECVSPACE);
602 if (error != 0)
603 return (error);
604
605 /* Allocate the PCB */
606 MALLOC(pcb, ng_btsocket_l2cap_raw_pcb_p, sizeof(*pcb),
607 M_NETGRAPH_BTSOCKET_L2CAP_RAW, M_NOWAIT|M_ZERO);
608 if (pcb == NULL)
609 return (ENOMEM);
610
611 /* Link the PCB and the socket */
612 so->so_pcb = (caddr_t) pcb;
613 pcb->so = so;
614
615 if (suser(td) == 0)
616 pcb->flags |= NG_BTSOCKET_L2CAP_RAW_PRIVILEGED;
617
618 mtx_init(&pcb->pcb_mtx, "btsocks_l2cap_raw_pcb_mtx", NULL, MTX_DEF);
619
620 /* Add the PCB to the list */
621 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
622 LIST_INSERT_HEAD(&ng_btsocket_l2cap_raw_sockets, pcb, next);
623 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
624
625 return (0);
626} /* ng_btsocket_l2cap_raw_attach */
627
628/*
629 * Bind socket
630 */
631
632int
633ng_btsocket_l2cap_raw_bind(struct socket *so, struct sockaddr *nam,
634 struct thread *td)
635{
636 ng_btsocket_l2cap_raw_pcb_t *pcb = so2l2cap_raw_pcb(so);
637 struct sockaddr_l2cap *sa = (struct sockaddr_l2cap *) nam;
638 ng_btsocket_l2cap_rtentry_t *rt = NULL;
639 int error;
640
641 if (pcb == NULL)
642 return (EINVAL);
643 if (ng_btsocket_l2cap_raw_node == NULL)
644 return (EINVAL);
645
646 if (sa == NULL)
647 return (EINVAL);
648 if (sa->l2cap_family != AF_BLUETOOTH)
649 return (EAFNOSUPPORT);
650 if (sa->l2cap_len != sizeof(*sa))
651 return (EINVAL);
652
653 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
654 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
655 mtx_lock(&pcb->pcb_mtx);
656
657 pcb->rt = NULL;
658 bcopy(&sa->l2cap_bdaddr, &pcb->src, sizeof(pcb->src));
659
660 if (bcmp(&pcb->src, NG_HCI_BDADDR_ANY, sizeof(pcb->src)) == 0) {
661 mtx_unlock(&pcb->pcb_mtx);
662 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
663 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
664
665 return (0);
666 }
667
668 LIST_FOREACH(rt, &ng_btsocket_l2cap_raw_rt, next) {
669 if (rt->hook == NULL || NG_HOOK_NOT_VALID(rt->hook))
670 continue;
671
672 if (bcmp(&pcb->src, &rt->src, sizeof(rt->src)) == 0)
673 break;
674 }
675
676 if (rt != NULL) {
677 pcb->rt = rt;
678 error = 0;
679 } else
680 error = ENETDOWN;
681
682 mtx_unlock(&pcb->pcb_mtx);
683 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
684 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
685
686 return (error);
687} /* ng_btsocket_l2cap_raw_bind */
688
689/*
690 * Connect socket
691 */
692
693int
694ng_btsocket_l2cap_raw_connect(struct socket *so, struct sockaddr *nam,
695 struct thread *td)
696{
697 ng_btsocket_l2cap_raw_pcb_t *pcb = so2l2cap_raw_pcb(so);
698 struct sockaddr_l2cap *sa = (struct sockaddr_l2cap *) nam;
699 ng_btsocket_l2cap_rtentry_t *rt = NULL;
700 int error;
701
702 if (pcb == NULL)
703 return (EINVAL);
704 if (ng_btsocket_l2cap_raw_node == NULL)
705 return (EINVAL);
706
707 if (sa == NULL)
708 return (EINVAL);
709 if (sa->l2cap_family != AF_BLUETOOTH)
710 return (EAFNOSUPPORT);
711 if (sa->l2cap_len != sizeof(*sa))
712 return (EINVAL);
713 if (bcmp(&sa->l2cap_bdaddr, NG_HCI_BDADDR_ANY, sizeof(bdaddr_t)) == 0)
714 return (EINVAL);
715
716 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
717 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
718 mtx_lock(&pcb->pcb_mtx);
719
720 bcopy(&sa->l2cap_bdaddr, &pcb->dst, sizeof(pcb->dst));
721
722 if (bcmp(&pcb->src, &pcb->dst, sizeof(pcb->src)) == 0) {
723 mtx_unlock(&pcb->pcb_mtx);
724 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
725 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
726
727 return (EADDRNOTAVAIL);
728 }
729
730 /*
731 * If there is route already - use it
732 */
733
734 if (pcb->rt != NULL) {
735 soisconnected(so);
736
737 mtx_unlock(&pcb->pcb_mtx);
738 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
739 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
740
741 return (0);
742 }
743
744 /*
745 * Find the first hook that does not match specified destination address
746 */
747
748 LIST_FOREACH(rt, &ng_btsocket_l2cap_raw_rt, next) {
749 if (rt->hook == NULL || NG_HOOK_NOT_VALID(rt->hook))
750 continue;
751
752 if (bcmp(&pcb->dst, &rt->src, sizeof(rt->src)) != 0)
753 break;
754 }
755
756 if (rt != NULL) {
757 soisconnected(so);
758
759 pcb->rt = rt;
760 bcopy(&rt->src, &pcb->src, sizeof(pcb->src));
761
762 error = 0;
763 } else
764 error = ENETDOWN;
765
766 mtx_unlock(&pcb->pcb_mtx);
767 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
768 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
769
770 return (error);
771} /* ng_btsocket_l2cap_raw_connect */
772
773/*
774 * Process ioctl's calls on socket
775 */
776
777int
778ng_btsocket_l2cap_raw_control(struct socket *so, u_long cmd, caddr_t data,
779 struct ifnet *ifp, struct thread *td)
780{
781 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
782 struct ng_mesg *msg = NULL;
783 int error = 0;
784
785 if (pcb == NULL)
786 return (EINVAL);
787 if (ng_btsocket_l2cap_raw_node == NULL)
788 return (EINVAL);
789
790 mtx_lock(&pcb->pcb_mtx);
791
792 /* Check if we route info */
793 if (pcb->rt == NULL) {
794 mtx_unlock(&pcb->pcb_mtx);
795 return (EHOSTUNREACH);
796 }
797
798 /* Check if we have pending ioctl() */
799 if (pcb->token != 0) {
800 mtx_unlock(&pcb->pcb_mtx);
801 return (EBUSY);
802 }
803
804 switch (cmd) {
805 case SIOC_L2CAP_NODE_GET_FLAGS: {
806 struct ng_btsocket_l2cap_raw_node_flags *p =
807 (struct ng_btsocket_l2cap_raw_node_flags *) data;
808
809 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
810 NGM_L2CAP_NODE_GET_FLAGS,
811 &p->flags, sizeof(p->flags));
812 } break;
813
814 case SIOC_L2CAP_NODE_GET_DEBUG: {
815 struct ng_btsocket_l2cap_raw_node_debug *p =
816 (struct ng_btsocket_l2cap_raw_node_debug *) data;
817
818 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
819 NGM_L2CAP_NODE_GET_DEBUG,
820 &p->debug, sizeof(p->debug));
821 } break;
822
823 case SIOC_L2CAP_NODE_SET_DEBUG: {
824 struct ng_btsocket_l2cap_raw_node_debug *p =
825 (struct ng_btsocket_l2cap_raw_node_debug *) data;
826
827 if (pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)
828 error = ng_btsocket_l2cap_raw_send_ngmsg(pcb->rt->hook,
829 NGM_L2CAP_NODE_SET_DEBUG,
830 &p->debug, sizeof(p->debug));
831 else
832 error = EPERM;
833 } break;
834
835 case SIOC_L2CAP_NODE_GET_CON_LIST: {
836 struct ng_btsocket_l2cap_raw_con_list *p =
837 (struct ng_btsocket_l2cap_raw_con_list *) data;
838 ng_l2cap_node_con_list_ep *p1 = NULL;
839 ng_l2cap_node_con_ep *p2 = NULL;
840
841 if (p->num_connections == 0 ||
842 p->num_connections > NG_L2CAP_MAX_CON_NUM ||
843 p->connections == NULL) {
844 error = EINVAL;
845 break;
846 }
847
848 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, NGM_L2CAP_NODE_GET_CON_LIST,
849 0, M_NOWAIT);
850 if (msg == NULL) {
851 error = ENOMEM;
852 break;
853 }
854 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
855 pcb->token = msg->header.token;
856 pcb->msg = NULL;
857
858 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
| 205 NG_BTSOCKET_L2CAP_RAW_ALERT(
206"%s: Could not name Netgraph node, error=%d\n", __func__, error);
207
208 NG_NODE_UNREF(ng_btsocket_l2cap_raw_node);
209 ng_btsocket_l2cap_raw_node = NULL;
210
211 return (error);
212 }
213
214 return (0);
215} /* ng_btsocket_l2cap_raw_node_shutdown */
216
217/*
218 * We allow any hook to be connected to the node.
219 */
220
221static int
222ng_btsocket_l2cap_raw_node_newhook(node_p node, hook_p hook, char const *name)
223{
224 return (0);
225} /* ng_btsocket_l2cap_raw_node_newhook */
226
227/*
228 * Just say "YEP, that's OK by me!"
229 */
230
231static int
232ng_btsocket_l2cap_raw_node_connect(hook_p hook)
233{
234 NG_HOOK_SET_PRIVATE(hook, NULL);
235 NG_HOOK_REF(hook); /* Keep extra reference to the hook */
236
237 return (0);
238} /* ng_btsocket_l2cap_raw_node_connect */
239
240/*
241 * Hook disconnection. Schedule route cleanup task
242 */
243
244static int
245ng_btsocket_l2cap_raw_node_disconnect(hook_p hook)
246{
247 /*
248 * If hook has private information than we must have this hook in
249 * the routing table and must schedule cleaning for the routing table.
250 * Otherwise hook was connected but we never got "hook_info" message,
251 * so we have never added this hook to the routing table and it save
252 * to just delete it.
253 */
254
255 if (NG_HOOK_PRIVATE(hook) != NULL)
256 return (ng_btsocket_l2cap_raw_wakeup_route_task());
257
258 NG_HOOK_UNREF(hook); /* Remove extra reference */
259
260 return (0);
261} /* ng_btsocket_l2cap_raw_node_disconnect */
262
263/*
264 * Process incoming messages
265 */
266
267static int
268ng_btsocket_l2cap_raw_node_rcvmsg(node_p node, item_p item, hook_p hook)
269{
270 struct ng_mesg *msg = NGI_MSG(item); /* item still has message */
271 int error = 0;
272
273 if (msg != NULL && msg->header.typecookie == NGM_L2CAP_COOKIE) {
274
275 /*
276 * NGM_L2CAP_NODE_HOOK_INFO is special message initiated by
277 * L2CAP layer. Ignore all other messages if they are not
278 * replies or token is zero
279 */
280
281 if (msg->header.cmd != NGM_L2CAP_NODE_HOOK_INFO) {
282 if (msg->header.token == 0 ||
283 !(msg->header.flags & NGF_RESP)) {
284 NG_FREE_ITEM(item);
285 return (0);
286 }
287 }
288
289 mtx_lock(&ng_btsocket_l2cap_raw_queue_mtx);
290 if (NG_BT_ITEMQ_FULL(&ng_btsocket_l2cap_raw_queue)) {
291 NG_BTSOCKET_L2CAP_RAW_ERR(
292"%s: Input queue is full\n", __func__);
293
294 NG_BT_ITEMQ_DROP(&ng_btsocket_l2cap_raw_queue);
295 NG_FREE_ITEM(item);
296 error = ENOBUFS;
297 } else {
298 if (hook != NULL) {
299 NG_HOOK_REF(hook);
300 NGI_SET_HOOK(item, hook);
301 }
302
303 NG_BT_ITEMQ_ENQUEUE(&ng_btsocket_l2cap_raw_queue, item);
304 error = ng_btsocket_l2cap_raw_wakeup_input_task();
305 }
306 mtx_unlock(&ng_btsocket_l2cap_raw_queue_mtx);
307 } else {
308 NG_FREE_ITEM(item);
309 error = EINVAL;
310 }
311
312 return (error);
313} /* ng_btsocket_l2cap_raw_node_rcvmsg */
314
315/*
316 * Receive data on a hook
317 */
318
319static int
320ng_btsocket_l2cap_raw_node_rcvdata(hook_p hook, item_p item)
321{
322 NG_FREE_ITEM(item);
323
324 return (EINVAL);
325} /* ng_btsocket_l2cap_raw_node_rcvdata */
326
327/*****************************************************************************
328 *****************************************************************************
329 ** Socket interface
330 *****************************************************************************
331 *****************************************************************************/
332
333/*
334 * L2CAP sockets input routine
335 */
336
337static void
338ng_btsocket_l2cap_raw_input(void *context, int pending)
339{
340 item_p item = NULL;
341 hook_p hook = NULL;
342 struct ng_mesg *msg = NULL;
343
344 for (;;) {
345 mtx_lock(&ng_btsocket_l2cap_raw_queue_mtx);
346 NG_BT_ITEMQ_DEQUEUE(&ng_btsocket_l2cap_raw_queue, item);
347 mtx_unlock(&ng_btsocket_l2cap_raw_queue_mtx);
348
349 if (item == NULL)
350 break;
351
352 KASSERT((item->el_flags & NGQF_TYPE) == NGQF_MESG,
353("%s: invalid item type=%ld\n", __func__, (item->el_flags & NGQF_TYPE)));
354
355 NGI_GET_MSG(item, msg);
356 NGI_GET_HOOK(item, hook);
357 NG_FREE_ITEM(item);
358
359 switch (msg->header.cmd) {
360 case NGM_L2CAP_NODE_HOOK_INFO: {
361 ng_btsocket_l2cap_rtentry_t *rt = NULL;
362
363 if (hook == NULL || NG_HOOK_NOT_VALID(hook) ||
364 msg->header.arglen != sizeof(bdaddr_t))
365 break;
366
367 if (bcmp(msg->data, NG_HCI_BDADDR_ANY,
368 sizeof(bdaddr_t)) == 0)
369 break;
370
371 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
372
373 rt = (ng_btsocket_l2cap_rtentry_t *)
374 NG_HOOK_PRIVATE(hook);
375 if (rt == NULL) {
376 MALLOC(rt, ng_btsocket_l2cap_rtentry_p,
377 sizeof(*rt),
378 M_NETGRAPH_BTSOCKET_L2CAP_RAW,
379 M_NOWAIT|M_ZERO);
380 if (rt == NULL) {
381 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
382 break;
383 }
384
385 LIST_INSERT_HEAD(&ng_btsocket_l2cap_raw_rt,
386 rt, next);
387
388 NG_HOOK_SET_PRIVATE(hook, rt);
389 }
390
391 bcopy(msg->data, &rt->src, sizeof(rt->src));
392 rt->hook = hook;
393
394 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
395
396 NG_BTSOCKET_L2CAP_RAW_INFO(
397"%s: Updating hook \"%s\", src bdaddr=%x:%x:%x:%x:%x:%x\n",
398 __func__, NG_HOOK_NAME(hook),
399 rt->src.b[5], rt->src.b[4], rt->src.b[3],
400 rt->src.b[2], rt->src.b[1], rt->src.b[0]);
401 } break;
402
403 case NGM_L2CAP_NODE_GET_FLAGS:
404 case NGM_L2CAP_NODE_GET_DEBUG:
405 case NGM_L2CAP_NODE_GET_CON_LIST:
406 case NGM_L2CAP_NODE_GET_CHAN_LIST:
407 case NGM_L2CAP_NODE_GET_AUTO_DISCON_TIMO:
408 case NGM_L2CAP_L2CA_PING:
409 case NGM_L2CAP_L2CA_GET_INFO: {
410 ng_btsocket_l2cap_raw_pcb_p pcb = NULL;
411
412 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
413
414 LIST_FOREACH(pcb,&ng_btsocket_l2cap_raw_sockets,next) {
415 mtx_lock(&pcb->pcb_mtx);
416
417 if (pcb->token == msg->header.token) {
418 pcb->msg = msg;
419 msg = NULL;
420 wakeup(&pcb->msg);
421 mtx_unlock(&pcb->pcb_mtx);
422 break;
423 }
424
425 mtx_unlock(&pcb->pcb_mtx);
426 }
427
428 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
429 } break;
430
431 default:
432 NG_BTSOCKET_L2CAP_RAW_WARN(
433"%s: Unknown message, cmd=%d\n", __func__, msg->header.cmd);
434 break;
435 }
436
437 if (hook != NULL)
438 NG_HOOK_UNREF(hook); /* remove extra reference */
439
440 NG_FREE_MSG(msg); /* Checks for msg != NULL */
441 }
442} /* ng_btsocket_l2cap_raw_input */
443
444/*
445 * Route cleanup task. Gets scheduled when hook is disconnected. Here we
446 * will find all sockets that use "invalid" hook and disconnect them.
447 */
448
449static void
450ng_btsocket_l2cap_raw_rtclean(void *context, int pending)
451{
452 ng_btsocket_l2cap_raw_pcb_p pcb = NULL;
453 ng_btsocket_l2cap_rtentry_p rt = NULL;
454
455 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
456 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
457
458 /*
459 * First disconnect all sockets that use "invalid" hook
460 */
461
462 LIST_FOREACH(pcb, &ng_btsocket_l2cap_raw_sockets, next) {
463 mtx_lock(&pcb->pcb_mtx);
464
465 if (pcb->rt != NULL &&
466 pcb->rt->hook != NULL && NG_HOOK_NOT_VALID(pcb->rt->hook)) {
467 if (pcb->so != NULL &&
468 pcb->so->so_state & SS_ISCONNECTED)
469 soisdisconnected(pcb->so);
470
471 pcb->rt = NULL;
472 }
473
474 mtx_unlock(&pcb->pcb_mtx);
475 }
476
477 /*
478 * Now cleanup routing table
479 */
480
481 for (rt = LIST_FIRST(&ng_btsocket_l2cap_raw_rt); rt != NULL; ) {
482 ng_btsocket_l2cap_rtentry_p rt_next = LIST_NEXT(rt, next);
483
484 if (rt->hook != NULL && NG_HOOK_NOT_VALID(rt->hook)) {
485 LIST_REMOVE(rt, next);
486
487 NG_HOOK_SET_PRIVATE(rt->hook, NULL);
488 NG_HOOK_UNREF(rt->hook); /* Remove extra reference */
489
490 bzero(rt, sizeof(*rt));
491 FREE(rt, M_NETGRAPH_BTSOCKET_L2CAP_RAW);
492 }
493
494 rt = rt_next;
495 }
496
497 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
498 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
499} /* ng_btsocket_l2cap_raw_rtclean */
500
501/*
502 * Initialize everything
503 */
504
505void
506ng_btsocket_l2cap_raw_init(void)
507{
508 int error = 0;
509
510 ng_btsocket_l2cap_raw_node = NULL;
511 ng_btsocket_l2cap_raw_debug_level = NG_BTSOCKET_WARN_LEVEL;
512 ng_btsocket_l2cap_raw_ioctl_timeout = 5;
513
514 /* Register Netgraph node type */
515 error = ng_newtype(&typestruct);
516 if (error != 0) {
517 NG_BTSOCKET_L2CAP_RAW_ALERT(
518"%s: Could not register Netgraph node type, error=%d\n", __func__, error);
519
520 return;
521 }
522
523 /* Create Netgrapg node */
524 error = ng_make_node_common(&typestruct, &ng_btsocket_l2cap_raw_node);
525 if (error != 0) {
526 NG_BTSOCKET_L2CAP_RAW_ALERT(
527"%s: Could not create Netgraph node, error=%d\n", __func__, error);
528
529 ng_btsocket_l2cap_raw_node = NULL;
530
531 return;
532 }
533
534 error = ng_name_node(ng_btsocket_l2cap_raw_node,
535 NG_BTSOCKET_L2CAP_RAW_NODE_TYPE);
536 if (error != 0) {
537 NG_BTSOCKET_L2CAP_RAW_ALERT(
538"%s: Could not name Netgraph node, error=%d\n", __func__, error);
539
540 NG_NODE_UNREF(ng_btsocket_l2cap_raw_node);
541 ng_btsocket_l2cap_raw_node = NULL;
542
543 return;
544 }
545
546 /* Create input queue */
547 NG_BT_ITEMQ_INIT(&ng_btsocket_l2cap_raw_queue, ifqmaxlen);
548 mtx_init(&ng_btsocket_l2cap_raw_queue_mtx,
549 "btsocks_l2cap_queue_mtx", NULL, MTX_DEF);
550 TASK_INIT(&ng_btsocket_l2cap_raw_queue_task, 0,
551 ng_btsocket_l2cap_raw_input, NULL);
552
553 /* Create list of sockets */
554 LIST_INIT(&ng_btsocket_l2cap_raw_sockets);
555 mtx_init(&ng_btsocket_l2cap_raw_sockets_mtx,
556 "btsocks_l2cap_sockets_mtx", NULL, MTX_DEF);
557
558 /* Tokens */
559 ng_btsocket_l2cap_raw_token = 0;
560 mtx_init(&ng_btsocket_l2cap_raw_token_mtx,
561 "btsocks_l2cap_token_mtx", NULL, MTX_DEF);
562
563 /* Routing table */
564 LIST_INIT(&ng_btsocket_l2cap_raw_rt);
565 mtx_init(&ng_btsocket_l2cap_raw_rt_mtx,
566 "btsocks_l2cap_rt_mtx", NULL, MTX_DEF);
567 TASK_INIT(&ng_btsocket_l2cap_raw_rt_task, 0,
568 ng_btsocket_l2cap_raw_rtclean, NULL);
569} /* ng_btsocket_l2cap_raw_init */
570
571/*
572 * Abort connection on socket
573 */
574
575int
576ng_btsocket_l2cap_raw_abort(struct socket *so)
577{
578 return (ng_btsocket_l2cap_raw_detach(so));
579} /* ng_btsocket_l2cap_raw_abort */
580
581/*
582 * Create and attach new socket
583 */
584
585int
586ng_btsocket_l2cap_raw_attach(struct socket *so, int proto, struct thread *td)
587{
588 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
589 int error;
590
591 if (pcb != NULL)
592 return (EISCONN);
593
594 if (ng_btsocket_l2cap_raw_node == NULL)
595 return (EPROTONOSUPPORT);
596 if (so->so_type != SOCK_RAW)
597 return (ESOCKTNOSUPPORT);
598
599 /* Reserve send and receive space if it is not reserved yet */
600 error = soreserve(so, NG_BTSOCKET_L2CAP_RAW_SENDSPACE,
601 NG_BTSOCKET_L2CAP_RAW_RECVSPACE);
602 if (error != 0)
603 return (error);
604
605 /* Allocate the PCB */
606 MALLOC(pcb, ng_btsocket_l2cap_raw_pcb_p, sizeof(*pcb),
607 M_NETGRAPH_BTSOCKET_L2CAP_RAW, M_NOWAIT|M_ZERO);
608 if (pcb == NULL)
609 return (ENOMEM);
610
611 /* Link the PCB and the socket */
612 so->so_pcb = (caddr_t) pcb;
613 pcb->so = so;
614
615 if (suser(td) == 0)
616 pcb->flags |= NG_BTSOCKET_L2CAP_RAW_PRIVILEGED;
617
618 mtx_init(&pcb->pcb_mtx, "btsocks_l2cap_raw_pcb_mtx", NULL, MTX_DEF);
619
620 /* Add the PCB to the list */
621 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
622 LIST_INSERT_HEAD(&ng_btsocket_l2cap_raw_sockets, pcb, next);
623 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
624
625 return (0);
626} /* ng_btsocket_l2cap_raw_attach */
627
628/*
629 * Bind socket
630 */
631
632int
633ng_btsocket_l2cap_raw_bind(struct socket *so, struct sockaddr *nam,
634 struct thread *td)
635{
636 ng_btsocket_l2cap_raw_pcb_t *pcb = so2l2cap_raw_pcb(so);
637 struct sockaddr_l2cap *sa = (struct sockaddr_l2cap *) nam;
638 ng_btsocket_l2cap_rtentry_t *rt = NULL;
639 int error;
640
641 if (pcb == NULL)
642 return (EINVAL);
643 if (ng_btsocket_l2cap_raw_node == NULL)
644 return (EINVAL);
645
646 if (sa == NULL)
647 return (EINVAL);
648 if (sa->l2cap_family != AF_BLUETOOTH)
649 return (EAFNOSUPPORT);
650 if (sa->l2cap_len != sizeof(*sa))
651 return (EINVAL);
652
653 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
654 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
655 mtx_lock(&pcb->pcb_mtx);
656
657 pcb->rt = NULL;
658 bcopy(&sa->l2cap_bdaddr, &pcb->src, sizeof(pcb->src));
659
660 if (bcmp(&pcb->src, NG_HCI_BDADDR_ANY, sizeof(pcb->src)) == 0) {
661 mtx_unlock(&pcb->pcb_mtx);
662 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
663 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
664
665 return (0);
666 }
667
668 LIST_FOREACH(rt, &ng_btsocket_l2cap_raw_rt, next) {
669 if (rt->hook == NULL || NG_HOOK_NOT_VALID(rt->hook))
670 continue;
671
672 if (bcmp(&pcb->src, &rt->src, sizeof(rt->src)) == 0)
673 break;
674 }
675
676 if (rt != NULL) {
677 pcb->rt = rt;
678 error = 0;
679 } else
680 error = ENETDOWN;
681
682 mtx_unlock(&pcb->pcb_mtx);
683 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
684 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
685
686 return (error);
687} /* ng_btsocket_l2cap_raw_bind */
688
689/*
690 * Connect socket
691 */
692
693int
694ng_btsocket_l2cap_raw_connect(struct socket *so, struct sockaddr *nam,
695 struct thread *td)
696{
697 ng_btsocket_l2cap_raw_pcb_t *pcb = so2l2cap_raw_pcb(so);
698 struct sockaddr_l2cap *sa = (struct sockaddr_l2cap *) nam;
699 ng_btsocket_l2cap_rtentry_t *rt = NULL;
700 int error;
701
702 if (pcb == NULL)
703 return (EINVAL);
704 if (ng_btsocket_l2cap_raw_node == NULL)
705 return (EINVAL);
706
707 if (sa == NULL)
708 return (EINVAL);
709 if (sa->l2cap_family != AF_BLUETOOTH)
710 return (EAFNOSUPPORT);
711 if (sa->l2cap_len != sizeof(*sa))
712 return (EINVAL);
713 if (bcmp(&sa->l2cap_bdaddr, NG_HCI_BDADDR_ANY, sizeof(bdaddr_t)) == 0)
714 return (EINVAL);
715
716 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
717 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
718 mtx_lock(&pcb->pcb_mtx);
719
720 bcopy(&sa->l2cap_bdaddr, &pcb->dst, sizeof(pcb->dst));
721
722 if (bcmp(&pcb->src, &pcb->dst, sizeof(pcb->src)) == 0) {
723 mtx_unlock(&pcb->pcb_mtx);
724 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
725 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
726
727 return (EADDRNOTAVAIL);
728 }
729
730 /*
731 * If there is route already - use it
732 */
733
734 if (pcb->rt != NULL) {
735 soisconnected(so);
736
737 mtx_unlock(&pcb->pcb_mtx);
738 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
739 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
740
741 return (0);
742 }
743
744 /*
745 * Find the first hook that does not match specified destination address
746 */
747
748 LIST_FOREACH(rt, &ng_btsocket_l2cap_raw_rt, next) {
749 if (rt->hook == NULL || NG_HOOK_NOT_VALID(rt->hook))
750 continue;
751
752 if (bcmp(&pcb->dst, &rt->src, sizeof(rt->src)) != 0)
753 break;
754 }
755
756 if (rt != NULL) {
757 soisconnected(so);
758
759 pcb->rt = rt;
760 bcopy(&rt->src, &pcb->src, sizeof(pcb->src));
761
762 error = 0;
763 } else
764 error = ENETDOWN;
765
766 mtx_unlock(&pcb->pcb_mtx);
767 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
768 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
769
770 return (error);
771} /* ng_btsocket_l2cap_raw_connect */
772
773/*
774 * Process ioctl's calls on socket
775 */
776
777int
778ng_btsocket_l2cap_raw_control(struct socket *so, u_long cmd, caddr_t data,
779 struct ifnet *ifp, struct thread *td)
780{
781 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
782 struct ng_mesg *msg = NULL;
783 int error = 0;
784
785 if (pcb == NULL)
786 return (EINVAL);
787 if (ng_btsocket_l2cap_raw_node == NULL)
788 return (EINVAL);
789
790 mtx_lock(&pcb->pcb_mtx);
791
792 /* Check if we route info */
793 if (pcb->rt == NULL) {
794 mtx_unlock(&pcb->pcb_mtx);
795 return (EHOSTUNREACH);
796 }
797
798 /* Check if we have pending ioctl() */
799 if (pcb->token != 0) {
800 mtx_unlock(&pcb->pcb_mtx);
801 return (EBUSY);
802 }
803
804 switch (cmd) {
805 case SIOC_L2CAP_NODE_GET_FLAGS: {
806 struct ng_btsocket_l2cap_raw_node_flags *p =
807 (struct ng_btsocket_l2cap_raw_node_flags *) data;
808
809 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
810 NGM_L2CAP_NODE_GET_FLAGS,
811 &p->flags, sizeof(p->flags));
812 } break;
813
814 case SIOC_L2CAP_NODE_GET_DEBUG: {
815 struct ng_btsocket_l2cap_raw_node_debug *p =
816 (struct ng_btsocket_l2cap_raw_node_debug *) data;
817
818 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
819 NGM_L2CAP_NODE_GET_DEBUG,
820 &p->debug, sizeof(p->debug));
821 } break;
822
823 case SIOC_L2CAP_NODE_SET_DEBUG: {
824 struct ng_btsocket_l2cap_raw_node_debug *p =
825 (struct ng_btsocket_l2cap_raw_node_debug *) data;
826
827 if (pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)
828 error = ng_btsocket_l2cap_raw_send_ngmsg(pcb->rt->hook,
829 NGM_L2CAP_NODE_SET_DEBUG,
830 &p->debug, sizeof(p->debug));
831 else
832 error = EPERM;
833 } break;
834
835 case SIOC_L2CAP_NODE_GET_CON_LIST: {
836 struct ng_btsocket_l2cap_raw_con_list *p =
837 (struct ng_btsocket_l2cap_raw_con_list *) data;
838 ng_l2cap_node_con_list_ep *p1 = NULL;
839 ng_l2cap_node_con_ep *p2 = NULL;
840
841 if (p->num_connections == 0 ||
842 p->num_connections > NG_L2CAP_MAX_CON_NUM ||
843 p->connections == NULL) {
844 error = EINVAL;
845 break;
846 }
847
848 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, NGM_L2CAP_NODE_GET_CON_LIST,
849 0, M_NOWAIT);
850 if (msg == NULL) {
851 error = ENOMEM;
852 break;
853 }
854 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
855 pcb->token = msg->header.token;
856 pcb->msg = NULL;
857
858 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
|
859 pcb->rt->hook, NULL);
| 859 pcb->rt->hook, 0);
|
860 if (error != 0) {
861 pcb->token = 0;
862 break;
863 }
864
865 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
866 ng_btsocket_l2cap_raw_ioctl_timeout * hz);
867 pcb->token = 0;
868
869 if (error != 0)
870 break;
871
872 if (pcb->msg != NULL &&
873 pcb->msg->header.cmd == NGM_L2CAP_NODE_GET_CON_LIST) {
874 /* Return data back to user space */
875 p1 = (ng_l2cap_node_con_list_ep *)(pcb->msg->data);
876 p2 = (ng_l2cap_node_con_ep *)(p1 + 1);
877
878 p->num_connections = min(p->num_connections,
879 p1->num_connections);
880 if (p->num_connections > 0)
881 error = copyout((caddr_t) p2,
882 (caddr_t) p->connections,
883 p->num_connections * sizeof(*p2));
884 } else
885 error = EINVAL;
886
887 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
888 } break;
889
890 case SIOC_L2CAP_NODE_GET_CHAN_LIST: {
891 struct ng_btsocket_l2cap_raw_chan_list *p =
892 (struct ng_btsocket_l2cap_raw_chan_list *) data;
893 ng_l2cap_node_chan_list_ep *p1 = NULL;
894 ng_l2cap_node_chan_ep *p2 = NULL;
895
896 if (p->num_channels == 0 ||
897 p->num_channels > NG_L2CAP_MAX_CHAN_NUM ||
898 p->channels == NULL) {
899 error = EINVAL;
900 break;
901 }
902
903 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
904 NGM_L2CAP_NODE_GET_CHAN_LIST, 0, M_NOWAIT);
905 if (msg == NULL) {
906 error = ENOMEM;
907 break;
908 }
909 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
910 pcb->token = msg->header.token;
911 pcb->msg = NULL;
912
913 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
| 860 if (error != 0) {
861 pcb->token = 0;
862 break;
863 }
864
865 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
866 ng_btsocket_l2cap_raw_ioctl_timeout * hz);
867 pcb->token = 0;
868
869 if (error != 0)
870 break;
871
872 if (pcb->msg != NULL &&
873 pcb->msg->header.cmd == NGM_L2CAP_NODE_GET_CON_LIST) {
874 /* Return data back to user space */
875 p1 = (ng_l2cap_node_con_list_ep *)(pcb->msg->data);
876 p2 = (ng_l2cap_node_con_ep *)(p1 + 1);
877
878 p->num_connections = min(p->num_connections,
879 p1->num_connections);
880 if (p->num_connections > 0)
881 error = copyout((caddr_t) p2,
882 (caddr_t) p->connections,
883 p->num_connections * sizeof(*p2));
884 } else
885 error = EINVAL;
886
887 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
888 } break;
889
890 case SIOC_L2CAP_NODE_GET_CHAN_LIST: {
891 struct ng_btsocket_l2cap_raw_chan_list *p =
892 (struct ng_btsocket_l2cap_raw_chan_list *) data;
893 ng_l2cap_node_chan_list_ep *p1 = NULL;
894 ng_l2cap_node_chan_ep *p2 = NULL;
895
896 if (p->num_channels == 0 ||
897 p->num_channels > NG_L2CAP_MAX_CHAN_NUM ||
898 p->channels == NULL) {
899 error = EINVAL;
900 break;
901 }
902
903 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
904 NGM_L2CAP_NODE_GET_CHAN_LIST, 0, M_NOWAIT);
905 if (msg == NULL) {
906 error = ENOMEM;
907 break;
908 }
909 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
910 pcb->token = msg->header.token;
911 pcb->msg = NULL;
912
913 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
|
914 pcb->rt->hook, NULL);
| 914 pcb->rt->hook, 0);
|
915 if (error != 0) {
916 pcb->token = 0;
917 break;
918 }
919
920 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
921 ng_btsocket_l2cap_raw_ioctl_timeout * hz);
922 pcb->token = 0;
923
924 if (error != 0)
925 break;
926
927 if (pcb->msg != NULL &&
928 pcb->msg->header.cmd == NGM_L2CAP_NODE_GET_CHAN_LIST) {
929 /* Return data back to user space */
930 p1 = (ng_l2cap_node_chan_list_ep *)(pcb->msg->data);
931 p2 = (ng_l2cap_node_chan_ep *)(p1 + 1);
932
933 p->num_channels = min(p->num_channels,
934 p1->num_channels);
935 if (p->num_channels > 0)
936 error = copyout((caddr_t) p2,
937 (caddr_t) p->channels,
938 p->num_channels * sizeof(*p2));
939 } else
940 error = EINVAL;
941
942 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
943 } break;
944
945 case SIOC_L2CAP_L2CA_PING: {
946 struct ng_btsocket_l2cap_raw_ping *p =
947 (struct ng_btsocket_l2cap_raw_ping *) data;
948 ng_l2cap_l2ca_ping_ip *ip = NULL;
949 ng_l2cap_l2ca_ping_op *op = NULL;
950
951 if (!(pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)) {
952 error = EPERM;
953 break;
954 }
955
956 if ((p->echo_size != 0 && p->echo_data == NULL) ||
957 p->echo_size > NG_L2CAP_MAX_ECHO_SIZE) {
958 error = EINVAL;
959 break;
960 }
961
962 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
963 NGM_L2CAP_L2CA_PING, sizeof(*ip) + p->echo_size,
964 M_NOWAIT);
965 if (msg == NULL) {
966 error = ENOMEM;
967 break;
968 }
969 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
970 pcb->token = msg->header.token;
971 pcb->msg = NULL;
972
973 ip = (ng_l2cap_l2ca_ping_ip *)(msg->data);
974 bcopy(&pcb->dst, &ip->bdaddr, sizeof(ip->bdaddr));
975 ip->echo_size = p->echo_size;
976
977 if (ip->echo_size > 0) {
978 error = copyin(p->echo_data, ip + 1, p->echo_size);
979 if (error != 0) {
980 NG_FREE_MSG(msg);
981 pcb->token = 0;
982 break;
983 }
984 }
985
986 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
| 915 if (error != 0) {
916 pcb->token = 0;
917 break;
918 }
919
920 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
921 ng_btsocket_l2cap_raw_ioctl_timeout * hz);
922 pcb->token = 0;
923
924 if (error != 0)
925 break;
926
927 if (pcb->msg != NULL &&
928 pcb->msg->header.cmd == NGM_L2CAP_NODE_GET_CHAN_LIST) {
929 /* Return data back to user space */
930 p1 = (ng_l2cap_node_chan_list_ep *)(pcb->msg->data);
931 p2 = (ng_l2cap_node_chan_ep *)(p1 + 1);
932
933 p->num_channels = min(p->num_channels,
934 p1->num_channels);
935 if (p->num_channels > 0)
936 error = copyout((caddr_t) p2,
937 (caddr_t) p->channels,
938 p->num_channels * sizeof(*p2));
939 } else
940 error = EINVAL;
941
942 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
943 } break;
944
945 case SIOC_L2CAP_L2CA_PING: {
946 struct ng_btsocket_l2cap_raw_ping *p =
947 (struct ng_btsocket_l2cap_raw_ping *) data;
948 ng_l2cap_l2ca_ping_ip *ip = NULL;
949 ng_l2cap_l2ca_ping_op *op = NULL;
950
951 if (!(pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)) {
952 error = EPERM;
953 break;
954 }
955
956 if ((p->echo_size != 0 && p->echo_data == NULL) ||
957 p->echo_size > NG_L2CAP_MAX_ECHO_SIZE) {
958 error = EINVAL;
959 break;
960 }
961
962 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
963 NGM_L2CAP_L2CA_PING, sizeof(*ip) + p->echo_size,
964 M_NOWAIT);
965 if (msg == NULL) {
966 error = ENOMEM;
967 break;
968 }
969 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
970 pcb->token = msg->header.token;
971 pcb->msg = NULL;
972
973 ip = (ng_l2cap_l2ca_ping_ip *)(msg->data);
974 bcopy(&pcb->dst, &ip->bdaddr, sizeof(ip->bdaddr));
975 ip->echo_size = p->echo_size;
976
977 if (ip->echo_size > 0) {
978 error = copyin(p->echo_data, ip + 1, p->echo_size);
979 if (error != 0) {
980 NG_FREE_MSG(msg);
981 pcb->token = 0;
982 break;
983 }
984 }
985
986 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
|
987 pcb->rt->hook, NULL);
| 987 pcb->rt->hook, 0);
|
988 if (error != 0) {
989 pcb->token = 0;
990 break;
991 }
992
993 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
994 bluetooth_l2cap_rtx_timeout());
995 pcb->token = 0;
996
997 if (error != 0)
998 break;
999
1000 if (pcb->msg != NULL &&
1001 pcb->msg->header.cmd == NGM_L2CAP_L2CA_PING) {
1002 /* Return data back to the user space */
1003 op = (ng_l2cap_l2ca_ping_op *)(pcb->msg->data);
1004 p->result = op->result;
1005 p->echo_size = min(p->echo_size, op->echo_size);
1006
1007 if (p->echo_size > 0)
1008 error = copyout(op + 1, p->echo_data,
1009 p->echo_size);
1010 } else
1011 error = EINVAL;
1012
1013 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1014 } break;
1015
1016 case SIOC_L2CAP_L2CA_GET_INFO: {
1017 struct ng_btsocket_l2cap_raw_get_info *p =
1018 (struct ng_btsocket_l2cap_raw_get_info *) data;
1019 ng_l2cap_l2ca_get_info_ip *ip = NULL;
1020 ng_l2cap_l2ca_get_info_op *op = NULL;
1021
1022 if (!(pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)) {
1023 error = EPERM;
1024 break;
1025 }
1026
1027 if (p->info_size != 0 && p->info_data == NULL) {
1028 error = EINVAL;
1029 break;
1030 }
1031
1032 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
1033 NGM_L2CAP_L2CA_GET_INFO, sizeof(*ip) + p->info_size,
1034 M_NOWAIT);
1035 if (msg == NULL) {
1036 error = ENOMEM;
1037 break;
1038 }
1039 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
1040 pcb->token = msg->header.token;
1041 pcb->msg = NULL;
1042
1043 ip = (ng_l2cap_l2ca_get_info_ip *)(msg->data);
1044 bcopy(&pcb->dst, &ip->bdaddr, sizeof(ip->bdaddr));
1045 ip->info_type = p->info_type;
1046
1047 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
| 988 if (error != 0) {
989 pcb->token = 0;
990 break;
991 }
992
993 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
994 bluetooth_l2cap_rtx_timeout());
995 pcb->token = 0;
996
997 if (error != 0)
998 break;
999
1000 if (pcb->msg != NULL &&
1001 pcb->msg->header.cmd == NGM_L2CAP_L2CA_PING) {
1002 /* Return data back to the user space */
1003 op = (ng_l2cap_l2ca_ping_op *)(pcb->msg->data);
1004 p->result = op->result;
1005 p->echo_size = min(p->echo_size, op->echo_size);
1006
1007 if (p->echo_size > 0)
1008 error = copyout(op + 1, p->echo_data,
1009 p->echo_size);
1010 } else
1011 error = EINVAL;
1012
1013 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1014 } break;
1015
1016 case SIOC_L2CAP_L2CA_GET_INFO: {
1017 struct ng_btsocket_l2cap_raw_get_info *p =
1018 (struct ng_btsocket_l2cap_raw_get_info *) data;
1019 ng_l2cap_l2ca_get_info_ip *ip = NULL;
1020 ng_l2cap_l2ca_get_info_op *op = NULL;
1021
1022 if (!(pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)) {
1023 error = EPERM;
1024 break;
1025 }
1026
1027 if (p->info_size != 0 && p->info_data == NULL) {
1028 error = EINVAL;
1029 break;
1030 }
1031
1032 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
1033 NGM_L2CAP_L2CA_GET_INFO, sizeof(*ip) + p->info_size,
1034 M_NOWAIT);
1035 if (msg == NULL) {
1036 error = ENOMEM;
1037 break;
1038 }
1039 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
1040 pcb->token = msg->header.token;
1041 pcb->msg = NULL;
1042
1043 ip = (ng_l2cap_l2ca_get_info_ip *)(msg->data);
1044 bcopy(&pcb->dst, &ip->bdaddr, sizeof(ip->bdaddr));
1045 ip->info_type = p->info_type;
1046
1047 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
|
1048 pcb->rt->hook, NULL);
| 1048 pcb->rt->hook, 0);
|
1049 if (error != 0) {
1050 pcb->token = 0;
1051 break;
1052 }
1053
1054 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
1055 bluetooth_l2cap_rtx_timeout());
1056 pcb->token = 0;
1057
1058 if (error != 0)
1059 break;
1060
1061 if (pcb->msg != NULL &&
1062 pcb->msg->header.cmd == NGM_L2CAP_L2CA_GET_INFO) {
1063 /* Return data back to the user space */
1064 op = (ng_l2cap_l2ca_get_info_op *)(pcb->msg->data);
1065 p->result = op->result;
1066 p->info_size = min(p->info_size, op->info_size);
1067
1068 if (p->info_size > 0)
1069 error = copyout(op + 1, p->info_data,
1070 p->info_size);
1071 } else
1072 error = EINVAL;
1073
1074 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1075 } break;
1076
1077 case SIOC_L2CAP_NODE_GET_AUTO_DISCON_TIMO: {
1078 struct ng_btsocket_l2cap_raw_auto_discon_timo *p =
1079 (struct ng_btsocket_l2cap_raw_auto_discon_timo *) data;
1080
1081 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
1082 NGM_L2CAP_NODE_GET_AUTO_DISCON_TIMO,
1083 &p->timeout, sizeof(p->timeout));
1084 } break;
1085
1086 case SIOC_L2CAP_NODE_SET_AUTO_DISCON_TIMO: {
1087 struct ng_btsocket_l2cap_raw_auto_discon_timo *p =
1088 (struct ng_btsocket_l2cap_raw_auto_discon_timo *) data;
1089
1090 if (pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)
1091 error = ng_btsocket_l2cap_raw_send_ngmsg(pcb->rt->hook,
1092 NGM_L2CAP_NODE_SET_AUTO_DISCON_TIMO,
1093 &p->timeout, sizeof(p->timeout));
1094 else
1095 error = EPERM;
1096 } break;
1097
1098 default:
1099 error = EINVAL;
1100 break;
1101 }
1102
1103 mtx_unlock(&pcb->pcb_mtx);
1104
1105 return (error);
1106} /* ng_btsocket_l2cap_raw_control */
1107
1108/*
1109 * Detach and destroy socket
1110 */
1111
1112int
1113ng_btsocket_l2cap_raw_detach(struct socket *so)
1114{
1115 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
1116
1117 if (pcb == NULL)
1118 return (EINVAL);
1119 if (ng_btsocket_l2cap_raw_node == NULL)
1120 return (EINVAL);
1121
1122 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
1123 mtx_lock(&pcb->pcb_mtx);
1124
1125 LIST_REMOVE(pcb, next);
1126
1127 mtx_unlock(&pcb->pcb_mtx);
1128 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
1129
1130 mtx_destroy(&pcb->pcb_mtx);
1131
1132 bzero(pcb, sizeof(*pcb));
1133 FREE(pcb, M_NETGRAPH_BTSOCKET_L2CAP_RAW);
1134
1135 so->so_pcb = NULL;
1136 sotryfree(so);
1137
1138 return (0);
1139} /* ng_btsocket_l2cap_raw_detach */
1140
1141/*
1142 * Disconnect socket
1143 */
1144
1145int
1146ng_btsocket_l2cap_raw_disconnect(struct socket *so)
1147{
1148 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
1149
1150 if (pcb == NULL)
1151 return (EINVAL);
1152 if (ng_btsocket_l2cap_raw_node == NULL)
1153 return (EINVAL);
1154
1155 mtx_lock(&pcb->pcb_mtx);
1156 pcb->rt = NULL;
1157 soisdisconnected(so);
1158 mtx_unlock(&pcb->pcb_mtx);
1159
1160 return (0);
1161} /* ng_btsocket_l2cap_raw_disconnect */
1162
1163/*
1164 * Get peer address
1165 */
1166
1167int
1168ng_btsocket_l2cap_raw_peeraddr(struct socket *so, struct sockaddr **nam)
1169{
1170 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
1171 struct sockaddr_l2cap sa;
1172
1173 if (pcb == NULL)
1174 return (EINVAL);
1175 if (ng_btsocket_l2cap_raw_node == NULL)
1176 return (EINVAL);
1177
1178 bcopy(&pcb->dst, &sa.l2cap_bdaddr, sizeof(sa.l2cap_bdaddr));
1179 sa.l2cap_psm = 0;
1180 sa.l2cap_len = sizeof(sa);
1181 sa.l2cap_family = AF_BLUETOOTH;
1182
1183 *nam = dup_sockaddr((struct sockaddr *) &sa, 0);
1184
1185 return ((*nam == NULL)? ENOMEM : 0);
1186} /* ng_btsocket_l2cap_raw_peeraddr */
1187
1188/*
1189 * Send data to socket
1190 */
1191
1192int
1193ng_btsocket_l2cap_raw_send(struct socket *so, int flags, struct mbuf *m,
1194 struct sockaddr *nam, struct mbuf *control, struct thread *td)
1195{
1196 NG_FREE_M(m); /* Checks for m != NULL */
1197 NG_FREE_M(control);
1198
1199 return (EOPNOTSUPP);
1200} /* ng_btsocket_l2cap_raw_send */
1201
1202/*
1203 * Get socket address
1204 */
1205
1206int
1207ng_btsocket_l2cap_raw_sockaddr(struct socket *so, struct sockaddr **nam)
1208{
1209 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
1210 struct sockaddr_l2cap sa;
1211
1212 if (pcb == NULL)
1213 return (EINVAL);
1214 if (ng_btsocket_l2cap_raw_node == NULL)
1215 return (EINVAL);
1216
1217 bcopy(&pcb->src, &sa.l2cap_bdaddr, sizeof(sa.l2cap_bdaddr));
1218 sa.l2cap_psm = 0;
1219 sa.l2cap_len = sizeof(sa);
1220 sa.l2cap_family = AF_BLUETOOTH;
1221
1222 *nam = dup_sockaddr((struct sockaddr *) &sa, 0);
1223
1224 return ((*nam == NULL)? ENOMEM : 0);
1225} /* ng_btsocket_l2cap_raw_sockaddr */
1226
1227/*
1228 * Get next token
1229 */
1230
1231static void
1232ng_btsocket_l2cap_raw_get_token(u_int32_t *token)
1233{
1234 mtx_lock(&ng_btsocket_l2cap_raw_token_mtx);
1235
1236 if (++ ng_btsocket_l2cap_raw_token == 0)
1237 ng_btsocket_l2cap_raw_token = 1;
1238
1239 *token = ng_btsocket_l2cap_raw_token;
1240
1241 mtx_unlock(&ng_btsocket_l2cap_raw_token_mtx);
1242} /* ng_btsocket_l2cap_raw_get_token */
1243
1244/*
1245 * Send Netgraph message to the node - do not expect reply
1246 */
1247
1248static int
1249ng_btsocket_l2cap_raw_send_ngmsg(hook_p hook, int cmd, void *arg, int arglen)
1250{
1251 struct ng_mesg *msg = NULL;
1252 int error = 0;
1253
1254 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, cmd, arglen, M_NOWAIT);
1255 if (msg == NULL)
1256 return (ENOMEM);
1257
1258 if (arg != NULL && arglen > 0)
1259 bcopy(arg, msg->data, arglen);
1260
| 1049 if (error != 0) {
1050 pcb->token = 0;
1051 break;
1052 }
1053
1054 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
1055 bluetooth_l2cap_rtx_timeout());
1056 pcb->token = 0;
1057
1058 if (error != 0)
1059 break;
1060
1061 if (pcb->msg != NULL &&
1062 pcb->msg->header.cmd == NGM_L2CAP_L2CA_GET_INFO) {
1063 /* Return data back to the user space */
1064 op = (ng_l2cap_l2ca_get_info_op *)(pcb->msg->data);
1065 p->result = op->result;
1066 p->info_size = min(p->info_size, op->info_size);
1067
1068 if (p->info_size > 0)
1069 error = copyout(op + 1, p->info_data,
1070 p->info_size);
1071 } else
1072 error = EINVAL;
1073
1074 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1075 } break;
1076
1077 case SIOC_L2CAP_NODE_GET_AUTO_DISCON_TIMO: {
1078 struct ng_btsocket_l2cap_raw_auto_discon_timo *p =
1079 (struct ng_btsocket_l2cap_raw_auto_discon_timo *) data;
1080
1081 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
1082 NGM_L2CAP_NODE_GET_AUTO_DISCON_TIMO,
1083 &p->timeout, sizeof(p->timeout));
1084 } break;
1085
1086 case SIOC_L2CAP_NODE_SET_AUTO_DISCON_TIMO: {
1087 struct ng_btsocket_l2cap_raw_auto_discon_timo *p =
1088 (struct ng_btsocket_l2cap_raw_auto_discon_timo *) data;
1089
1090 if (pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)
1091 error = ng_btsocket_l2cap_raw_send_ngmsg(pcb->rt->hook,
1092 NGM_L2CAP_NODE_SET_AUTO_DISCON_TIMO,
1093 &p->timeout, sizeof(p->timeout));
1094 else
1095 error = EPERM;
1096 } break;
1097
1098 default:
1099 error = EINVAL;
1100 break;
1101 }
1102
1103 mtx_unlock(&pcb->pcb_mtx);
1104
1105 return (error);
1106} /* ng_btsocket_l2cap_raw_control */
1107
1108/*
1109 * Detach and destroy socket
1110 */
1111
1112int
1113ng_btsocket_l2cap_raw_detach(struct socket *so)
1114{
1115 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
1116
1117 if (pcb == NULL)
1118 return (EINVAL);
1119 if (ng_btsocket_l2cap_raw_node == NULL)
1120 return (EINVAL);
1121
1122 mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
1123 mtx_lock(&pcb->pcb_mtx);
1124
1125 LIST_REMOVE(pcb, next);
1126
1127 mtx_unlock(&pcb->pcb_mtx);
1128 mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
1129
1130 mtx_destroy(&pcb->pcb_mtx);
1131
1132 bzero(pcb, sizeof(*pcb));
1133 FREE(pcb, M_NETGRAPH_BTSOCKET_L2CAP_RAW);
1134
1135 so->so_pcb = NULL;
1136 sotryfree(so);
1137
1138 return (0);
1139} /* ng_btsocket_l2cap_raw_detach */
1140
1141/*
1142 * Disconnect socket
1143 */
1144
1145int
1146ng_btsocket_l2cap_raw_disconnect(struct socket *so)
1147{
1148 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
1149
1150 if (pcb == NULL)
1151 return (EINVAL);
1152 if (ng_btsocket_l2cap_raw_node == NULL)
1153 return (EINVAL);
1154
1155 mtx_lock(&pcb->pcb_mtx);
1156 pcb->rt = NULL;
1157 soisdisconnected(so);
1158 mtx_unlock(&pcb->pcb_mtx);
1159
1160 return (0);
1161} /* ng_btsocket_l2cap_raw_disconnect */
1162
1163/*
1164 * Get peer address
1165 */
1166
1167int
1168ng_btsocket_l2cap_raw_peeraddr(struct socket *so, struct sockaddr **nam)
1169{
1170 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
1171 struct sockaddr_l2cap sa;
1172
1173 if (pcb == NULL)
1174 return (EINVAL);
1175 if (ng_btsocket_l2cap_raw_node == NULL)
1176 return (EINVAL);
1177
1178 bcopy(&pcb->dst, &sa.l2cap_bdaddr, sizeof(sa.l2cap_bdaddr));
1179 sa.l2cap_psm = 0;
1180 sa.l2cap_len = sizeof(sa);
1181 sa.l2cap_family = AF_BLUETOOTH;
1182
1183 *nam = dup_sockaddr((struct sockaddr *) &sa, 0);
1184
1185 return ((*nam == NULL)? ENOMEM : 0);
1186} /* ng_btsocket_l2cap_raw_peeraddr */
1187
1188/*
1189 * Send data to socket
1190 */
1191
1192int
1193ng_btsocket_l2cap_raw_send(struct socket *so, int flags, struct mbuf *m,
1194 struct sockaddr *nam, struct mbuf *control, struct thread *td)
1195{
1196 NG_FREE_M(m); /* Checks for m != NULL */
1197 NG_FREE_M(control);
1198
1199 return (EOPNOTSUPP);
1200} /* ng_btsocket_l2cap_raw_send */
1201
1202/*
1203 * Get socket address
1204 */
1205
1206int
1207ng_btsocket_l2cap_raw_sockaddr(struct socket *so, struct sockaddr **nam)
1208{
1209 ng_btsocket_l2cap_raw_pcb_p pcb = so2l2cap_raw_pcb(so);
1210 struct sockaddr_l2cap sa;
1211
1212 if (pcb == NULL)
1213 return (EINVAL);
1214 if (ng_btsocket_l2cap_raw_node == NULL)
1215 return (EINVAL);
1216
1217 bcopy(&pcb->src, &sa.l2cap_bdaddr, sizeof(sa.l2cap_bdaddr));
1218 sa.l2cap_psm = 0;
1219 sa.l2cap_len = sizeof(sa);
1220 sa.l2cap_family = AF_BLUETOOTH;
1221
1222 *nam = dup_sockaddr((struct sockaddr *) &sa, 0);
1223
1224 return ((*nam == NULL)? ENOMEM : 0);
1225} /* ng_btsocket_l2cap_raw_sockaddr */
1226
1227/*
1228 * Get next token
1229 */
1230
1231static void
1232ng_btsocket_l2cap_raw_get_token(u_int32_t *token)
1233{
1234 mtx_lock(&ng_btsocket_l2cap_raw_token_mtx);
1235
1236 if (++ ng_btsocket_l2cap_raw_token == 0)
1237 ng_btsocket_l2cap_raw_token = 1;
1238
1239 *token = ng_btsocket_l2cap_raw_token;
1240
1241 mtx_unlock(&ng_btsocket_l2cap_raw_token_mtx);
1242} /* ng_btsocket_l2cap_raw_get_token */
1243
1244/*
1245 * Send Netgraph message to the node - do not expect reply
1246 */
1247
1248static int
1249ng_btsocket_l2cap_raw_send_ngmsg(hook_p hook, int cmd, void *arg, int arglen)
1250{
1251 struct ng_mesg *msg = NULL;
1252 int error = 0;
1253
1254 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, cmd, arglen, M_NOWAIT);
1255 if (msg == NULL)
1256 return (ENOMEM);
1257
1258 if (arg != NULL && arglen > 0)
1259 bcopy(arg, msg->data, arglen);
1260
|
1261 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg, hook, NULL);
| 1261 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg, hook, 0);
|
1262
1263 return (error);
1264} /* ng_btsocket_l2cap_raw_send_ngmsg */
1265
1266/*
1267 * Send Netgraph message to the node (no data) and wait for reply
1268 */
1269
1270static int
1271ng_btsocket_l2cap_raw_send_sync_ngmsg(ng_btsocket_l2cap_raw_pcb_p pcb,
1272 int cmd, void *rsp, int rsplen)
1273{
1274 struct ng_mesg *msg = NULL;
1275 int error = 0;
1276
1277 mtx_assert(&pcb->pcb_mtx, MA_OWNED);
1278
1279 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, cmd, 0, M_NOWAIT);
1280 if (msg == NULL)
1281 return (ENOMEM);
1282
1283 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
1284 pcb->token = msg->header.token;
1285 pcb->msg = NULL;
1286
| 1262
1263 return (error);
1264} /* ng_btsocket_l2cap_raw_send_ngmsg */
1265
1266/*
1267 * Send Netgraph message to the node (no data) and wait for reply
1268 */
1269
1270static int
1271ng_btsocket_l2cap_raw_send_sync_ngmsg(ng_btsocket_l2cap_raw_pcb_p pcb,
1272 int cmd, void *rsp, int rsplen)
1273{
1274 struct ng_mesg *msg = NULL;
1275 int error = 0;
1276
1277 mtx_assert(&pcb->pcb_mtx, MA_OWNED);
1278
1279 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, cmd, 0, M_NOWAIT);
1280 if (msg == NULL)
1281 return (ENOMEM);
1282
1283 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
1284 pcb->token = msg->header.token;
1285 pcb->msg = NULL;
1286
|
1287 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
1288 pcb->rt->hook, NULL);
| 1287 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
1288 pcb->rt->hook, 0);
|
1289 if (error != 0) {
1290 pcb->token = 0;
1291 return (error);
1292 }
1293
1294 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
1295 ng_btsocket_l2cap_raw_ioctl_timeout * hz);
1296 pcb->token = 0;
1297
1298 if (error != 0)
1299 return (error);
1300
1301 if (pcb->msg != NULL && pcb->msg->header.cmd == cmd)
1302 bcopy(pcb->msg->data, rsp, rsplen);
1303 else
1304 error = EINVAL;
1305
1306 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1307
1308 return (0);
1309} /* ng_btsocket_l2cap_raw_send_sync_ngmsg */
1310
| 1289 if (error != 0) {
1290 pcb->token = 0;
1291 return (error);
1292 }
1293
1294 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
1295 ng_btsocket_l2cap_raw_ioctl_timeout * hz);
1296 pcb->token = 0;
1297
1298 if (error != 0)
1299 return (error);
1300
1301 if (pcb->msg != NULL && pcb->msg->header.cmd == cmd)
1302 bcopy(pcb->msg->data, rsp, rsplen);
1303 else
1304 error = EINVAL;
1305
1306 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1307
1308 return (0);
1309} /* ng_btsocket_l2cap_raw_send_sync_ngmsg */
1310
|