kernel/netgraph7: Replace usage of MALLOC/FREE with kmalloc/kfree here too.
[dragonfly.git] / sys / netgraph7 / bluetooth / socket / ng_btsocket_l2cap_raw.c
1 /*
2  * ng_btsocket_l2cap_raw.c
3  */
4
5 /*-
6  * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $Id: ng_btsocket_l2cap_raw.c,v 1.12 2003/09/14 23:29:06 max Exp $
31  * $FreeBSD: src/sys/netgraph/bluetooth/socket/ng_btsocket_l2cap_raw.c,v 1.20 2006/11/06 13:42:04 rwatson Exp $
32  * $DragonFly: src/sys/netgraph7/bluetooth/socket/ng_btsocket_l2cap_raw.c,v 1.2 2008/06/26 23:05:40 dillon Exp $
33  */
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/bitstring.h>
38 #include <sys/domain.h>
39 #include <sys/errno.h>
40 #include <sys/filedesc.h>
41 #include <sys/kernel.h>
42 #include <sys/lock.h>
43 #include <sys/malloc.h>
44 #include <sys/mbuf.h>
45 #include <sys/mutex.h>
46 #include <sys/priv.h>
47 #include <sys/protosw.h>
48 #include <sys/queue.h>
49 #include <sys/socket.h>
50 #include <sys/socketvar.h>
51 #include <sys/sysctl.h>
52 #include <sys/taskqueue.h>
53 #include "ng_message.h"
54 #include "netgraph.h"
55 #include "bluetooth/include/ng_bluetooth.h"
56 #include "bluetooth/include/ng_hci.h"
57 #include "bluetooth/include/ng_l2cap.h"
58 #include "bluetooth/include/ng_btsocket.h"
59 #include "bluetooth/include/ng_btsocket_l2cap.h"
60
61 /* MALLOC define */
62 #ifdef NG_SEPARATE_MALLOC
63 MALLOC_DEFINE(M_NETGRAPH_BTSOCKET_L2CAP_RAW, "netgraph_btsocks_l2cap_raw",
64                 "Netgraph Bluetooth raw L2CAP sockets");
65 #else
66 #define M_NETGRAPH_BTSOCKET_L2CAP_RAW M_NETGRAPH
67 #endif /* NG_SEPARATE_MALLOC */
68
69 /* Netgraph node methods */
70 static ng_constructor_t ng_btsocket_l2cap_raw_node_constructor;
71 static ng_rcvmsg_t      ng_btsocket_l2cap_raw_node_rcvmsg;
72 static ng_shutdown_t    ng_btsocket_l2cap_raw_node_shutdown;
73 static ng_newhook_t     ng_btsocket_l2cap_raw_node_newhook;
74 static ng_connect_t     ng_btsocket_l2cap_raw_node_connect;
75 static ng_rcvdata_t     ng_btsocket_l2cap_raw_node_rcvdata;
76 static ng_disconnect_t  ng_btsocket_l2cap_raw_node_disconnect;
77
78 static void             ng_btsocket_l2cap_raw_input     (void *, int);
79 static void             ng_btsocket_l2cap_raw_rtclean   (void *, int);
80 static void             ng_btsocket_l2cap_raw_get_token (u_int32_t *);
81
82 static int              ng_btsocket_l2cap_raw_send_ngmsg
83                                 (hook_p, int, void *, int);
84 static int              ng_btsocket_l2cap_raw_send_sync_ngmsg
85                                 (ng_btsocket_l2cap_raw_pcb_p, int, void *, int);
86
87 #define ng_btsocket_l2cap_raw_wakeup_input_task() \
88         taskqueue_enqueue(taskqueue_swi, &ng_btsocket_l2cap_raw_queue_task)
89
90 #define ng_btsocket_l2cap_raw_wakeup_route_task() \
91         taskqueue_enqueue(taskqueue_swi, &ng_btsocket_l2cap_raw_rt_task)
92
93 /* Netgraph type descriptor */
94 static struct ng_type   typestruct = {
95         .version =      NG_ABI_VERSION,
96         .name =         NG_BTSOCKET_L2CAP_RAW_NODE_TYPE,
97         .constructor =  ng_btsocket_l2cap_raw_node_constructor,
98         .rcvmsg =       ng_btsocket_l2cap_raw_node_rcvmsg,
99         .shutdown =     ng_btsocket_l2cap_raw_node_shutdown,
100         .newhook =      ng_btsocket_l2cap_raw_node_newhook,
101         .connect =      ng_btsocket_l2cap_raw_node_connect,
102         .rcvdata =      ng_btsocket_l2cap_raw_node_rcvdata,
103         .disconnect =   ng_btsocket_l2cap_raw_node_disconnect,
104 };
105
106 /* Globals */
107 extern int                                      ifqmaxlen;
108 static u_int32_t                                ng_btsocket_l2cap_raw_debug_level;
109 static u_int32_t                                ng_btsocket_l2cap_raw_ioctl_timeout;
110 static node_p                                   ng_btsocket_l2cap_raw_node;
111 static struct ng_bt_itemq                       ng_btsocket_l2cap_raw_queue;
112 static struct mtx                               ng_btsocket_l2cap_raw_queue_mtx;
113 static struct task                              ng_btsocket_l2cap_raw_queue_task;
114 static LIST_HEAD(, ng_btsocket_l2cap_raw_pcb)   ng_btsocket_l2cap_raw_sockets;
115 static struct mtx                               ng_btsocket_l2cap_raw_sockets_mtx;
116 static u_int32_t                                ng_btsocket_l2cap_raw_token;
117 static struct mtx                               ng_btsocket_l2cap_raw_token_mtx;
118 static LIST_HEAD(, ng_btsocket_l2cap_rtentry)   ng_btsocket_l2cap_raw_rt;
119 static struct mtx                               ng_btsocket_l2cap_raw_rt_mtx;
120 static struct task                              ng_btsocket_l2cap_raw_rt_task;
121
122 /* Sysctl tree */
123 SYSCTL_DECL(_net_bluetooth_l2cap_sockets);
124 SYSCTL_NODE(_net_bluetooth_l2cap_sockets, OID_AUTO, raw, CTLFLAG_RW,
125         0, "Bluetooth raw L2CAP sockets family");
126 SYSCTL_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");
130 SYSCTL_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");
134 SYSCTL_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");
138 SYSCTL_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");
142 SYSCTL_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
174 static int
175 ng_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
184 static int
185 ng_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 != 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
221 static int
222 ng_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
231 static int
232 ng_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
244 static int
245 ng_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
267 static int
268 ng_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
319 static int
320 ng_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
337 static void
338 ng_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                         rt = (ng_btsocket_l2cap_rtentry_t *) 
372                                 NG_HOOK_PRIVATE(hook);
373                         if (rt == NULL) {
374                                 rt = kmalloc(sizeof(*rt),
375                                              M_NETGRAPH_BTSOCKET_L2CAP_RAW,
376                                              M_WAITOK | M_NULLOK | M_ZERO);
377                                 if (rt == NULL)
378                                         break;
379
380                                 NG_HOOK_SET_PRIVATE(hook, rt);
381
382                                 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
383
384                                 LIST_INSERT_HEAD(&ng_btsocket_l2cap_raw_rt, 
385                                         rt, next);
386                         } else
387                                 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
388                 
389                         bcopy(msg->data, &rt->src, sizeof(rt->src));
390                         rt->hook = hook;
391
392                         NG_BTSOCKET_L2CAP_RAW_INFO(
393 "%s: Updating hook \"%s\", src bdaddr=%x:%x:%x:%x:%x:%x\n",
394                                 __func__, NG_HOOK_NAME(hook), 
395                                 rt->src.b[5], rt->src.b[4], rt->src.b[3],
396                                 rt->src.b[2], rt->src.b[1], rt->src.b[0]);
397
398                         mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
399                         } break;
400
401                 case NGM_L2CAP_NODE_GET_FLAGS:
402                 case NGM_L2CAP_NODE_GET_DEBUG:
403                 case NGM_L2CAP_NODE_GET_CON_LIST:
404                 case NGM_L2CAP_NODE_GET_CHAN_LIST:
405                 case NGM_L2CAP_NODE_GET_AUTO_DISCON_TIMO:
406                 case NGM_L2CAP_L2CA_PING:
407                 case NGM_L2CAP_L2CA_GET_INFO: {
408                         ng_btsocket_l2cap_raw_pcb_p     pcb = NULL;
409
410                         mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
411
412                         LIST_FOREACH(pcb,&ng_btsocket_l2cap_raw_sockets,next) {
413                                 mtx_lock(&pcb->pcb_mtx);
414
415                                 if (pcb->token == msg->header.token) {
416                                         pcb->msg = msg;
417                                         msg = NULL;
418                                         wakeup(&pcb->msg);
419                                         mtx_unlock(&pcb->pcb_mtx);
420                                         break;
421                                 }
422
423                                 mtx_unlock(&pcb->pcb_mtx);
424                         }
425
426                         mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
427                         } break;
428
429                 default:
430                         NG_BTSOCKET_L2CAP_RAW_WARN(
431 "%s: Unknown message, cmd=%d\n", __func__, msg->header.cmd);
432                         break;
433                 }
434
435                 if (hook != NULL)
436                         NG_HOOK_UNREF(hook); /* remove extra reference */
437
438                 NG_FREE_MSG(msg); /* Checks for msg != NULL */
439         }
440 } /* ng_btsocket_l2cap_raw_input */
441
442 /*
443  * Route cleanup task. Gets scheduled when hook is disconnected. Here we 
444  * will find all sockets that use "invalid" hook and disconnect them.
445  */
446
447 static void
448 ng_btsocket_l2cap_raw_rtclean(void *context, int pending)
449 {
450         ng_btsocket_l2cap_raw_pcb_p     pcb = NULL;
451         ng_btsocket_l2cap_rtentry_p     rt = NULL;
452
453         /*
454          * First disconnect all sockets that use "invalid" hook
455          */
456
457         mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
458
459         LIST_FOREACH(pcb, &ng_btsocket_l2cap_raw_sockets, next) {
460                 mtx_lock(&pcb->pcb_mtx);
461
462                 if (pcb->rt != NULL &&
463                     pcb->rt->hook != NULL && NG_HOOK_NOT_VALID(pcb->rt->hook)) {
464                         if (pcb->so != NULL &&
465                             pcb->so->so_state & SS_ISCONNECTED)
466                                 soisdisconnected(pcb->so);
467
468                         pcb->rt = NULL;
469                 }
470
471                 mtx_unlock(&pcb->pcb_mtx);
472         }
473
474         mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
475
476         /*
477          * Now cleanup routing table
478          */
479
480         mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
481
482         for (rt = LIST_FIRST(&ng_btsocket_l2cap_raw_rt); rt != NULL; ) {
483                 ng_btsocket_l2cap_rtentry_p     rt_next = LIST_NEXT(rt, next);
484
485                 if (rt->hook != NULL && NG_HOOK_NOT_VALID(rt->hook)) {
486                         LIST_REMOVE(rt, next);
487
488                         NG_HOOK_SET_PRIVATE(rt->hook, NULL);
489                         NG_HOOK_UNREF(rt->hook); /* Remove extra reference */
490
491                         bzero(rt, sizeof(*rt));
492                         kfree(rt, M_NETGRAPH_BTSOCKET_L2CAP_RAW);
493                 }
494
495                 rt = rt_next;
496         }
497
498         mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
499 } /* ng_btsocket_l2cap_raw_rtclean */
500
501 /*
502  * Initialize everything
503  */
504
505 void
506 ng_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_raw_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_raw_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_raw_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_raw_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
575 void
576 ng_btsocket_l2cap_raw_abort(struct socket *so)
577 {
578
579         (void)ng_btsocket_l2cap_raw_disconnect(so);
580 } /* ng_btsocket_l2cap_raw_abort */
581
582 void
583 ng_btsocket_l2cap_raw_close(struct socket *so)
584 {
585
586         (void)ng_btsocket_l2cap_raw_disconnect(so);
587 } /* ng_btsocket_l2cap_raw_close */
588
589 /*
590  * Create and attach new socket
591  */
592
593 int
594 ng_btsocket_l2cap_raw_attach(struct socket *so, int proto, struct thread *td)
595 {
596         ng_btsocket_l2cap_raw_pcb_p     pcb = so2l2cap_raw_pcb(so);
597         int                             error;
598
599         if (pcb != NULL)
600                 return (EISCONN);
601
602         if (ng_btsocket_l2cap_raw_node == NULL) 
603                 return (EPROTONOSUPPORT);
604         if (so->so_type != SOCK_RAW)
605                 return (ESOCKTNOSUPPORT);
606
607         /* Reserve send and receive space if it is not reserved yet */
608         error = soreserve(so, NG_BTSOCKET_L2CAP_RAW_SENDSPACE,
609                         NG_BTSOCKET_L2CAP_RAW_RECVSPACE);
610         if (error != 0)
611                 return (error);
612
613         /* Allocate the PCB */
614         pcb = kmalloc(sizeof(*pcb), M_NETGRAPH_BTSOCKET_L2CAP_RAW,
615                       M_WAITOK | M_NULLOK | M_ZERO);
616         if (pcb == NULL)
617                 return (ENOMEM);
618
619         /* Link the PCB and the socket */
620         so->so_pcb = (caddr_t) pcb;
621         pcb->so = so;
622
623         if (priv_check(td, PRIV_NETBLUETOOTH_RAW) == 0)
624                 pcb->flags |= NG_BTSOCKET_L2CAP_RAW_PRIVILEGED;
625
626         mtx_init(&pcb->pcb_mtx, "btsocks_l2cap_raw_pcb_mtx", NULL, MTX_DEF);
627
628         /* Add the PCB to the list */
629         mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
630         LIST_INSERT_HEAD(&ng_btsocket_l2cap_raw_sockets, pcb, next);
631         mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
632
633         return (0);
634 } /* ng_btsocket_l2cap_raw_attach */
635
636 /*
637  * Bind socket
638  */
639
640 int
641 ng_btsocket_l2cap_raw_bind(struct socket *so, struct sockaddr *nam, 
642                 struct thread *td)
643 {
644         ng_btsocket_l2cap_raw_pcb_t     *pcb = so2l2cap_raw_pcb(so);
645         struct sockaddr_l2cap           *sa = (struct sockaddr_l2cap *) nam;
646         ng_btsocket_l2cap_rtentry_t     *rt = NULL;
647
648         if (pcb == NULL)
649                 return (EINVAL);
650         if (ng_btsocket_l2cap_raw_node == NULL) 
651                 return (EINVAL);
652
653         if (sa == NULL)
654                 return (EINVAL);
655         if (sa->l2cap_family != AF_BLUETOOTH)
656                 return (EAFNOSUPPORT);
657         if (sa->l2cap_len != sizeof(*sa))
658                 return (EINVAL);
659
660         if (bcmp(&sa->l2cap_bdaddr, NG_HCI_BDADDR_ANY,
661                                 sizeof(sa->l2cap_bdaddr)) != 0) {
662                 mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
663
664                 LIST_FOREACH(rt, &ng_btsocket_l2cap_raw_rt, next) {
665                         if (rt->hook == NULL || NG_HOOK_NOT_VALID(rt->hook))
666                                 continue;
667
668                         if (bcmp(&sa->l2cap_bdaddr, &rt->src,
669                                         sizeof(rt->src)) == 0)
670                                 break;
671                 }
672
673                 mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
674
675                 if (rt == NULL)
676                         return (ENETDOWN);
677         } else
678                 rt = NULL;
679
680         mtx_lock(&pcb->pcb_mtx);
681         bcopy(&sa->l2cap_bdaddr, &pcb->src, sizeof(pcb->src));
682         pcb->rt = rt;
683         mtx_unlock(&pcb->pcb_mtx);
684
685         return (0);
686 } /* ng_btsocket_l2cap_raw_bind */
687
688 /*
689  * Connect socket
690  */
691
692 int
693 ng_btsocket_l2cap_raw_connect(struct socket *so, struct sockaddr *nam, 
694                 struct thread *td)
695 {
696         ng_btsocket_l2cap_raw_pcb_t     *pcb = so2l2cap_raw_pcb(so);
697         struct sockaddr_l2cap           *sa = (struct sockaddr_l2cap *) nam;
698         ng_btsocket_l2cap_rtentry_t     *rt = NULL;
699         int                              error;
700
701         if (pcb == NULL)
702                 return (EINVAL);
703         if (ng_btsocket_l2cap_raw_node == NULL) 
704                 return (EINVAL);
705
706         if (sa == NULL)
707                 return (EINVAL);
708         if (sa->l2cap_family != AF_BLUETOOTH)
709                 return (EAFNOSUPPORT);
710         if (sa->l2cap_len != sizeof(*sa))
711                 return (EINVAL);
712         if (bcmp(&sa->l2cap_bdaddr, NG_HCI_BDADDR_ANY, sizeof(bdaddr_t)) == 0)
713                 return (EINVAL);
714
715         mtx_lock(&pcb->pcb_mtx);
716
717         bcopy(&sa->l2cap_bdaddr, &pcb->dst, sizeof(pcb->dst));
718
719         if (bcmp(&pcb->src, &pcb->dst, sizeof(pcb->src)) == 0) {
720                 mtx_unlock(&pcb->pcb_mtx);
721
722                 return (EADDRNOTAVAIL);
723         }
724
725         /*
726          * If there is route already - use it
727          */
728
729         if (pcb->rt != NULL) {
730                 soisconnected(so);
731                 mtx_unlock(&pcb->pcb_mtx);
732
733                 return (0);
734         }
735         
736         /*
737          * Find the first hook that does not match specified destination address
738          */
739
740         mtx_lock(&ng_btsocket_l2cap_raw_rt_mtx);
741
742         LIST_FOREACH(rt, &ng_btsocket_l2cap_raw_rt, next) {
743                 if (rt->hook == NULL || NG_HOOK_NOT_VALID(rt->hook))
744                         continue;
745
746                 if (bcmp(&pcb->dst, &rt->src, sizeof(rt->src)) != 0)
747                         break;
748         }
749
750         if (rt != NULL) {
751                 soisconnected(so);
752
753                 pcb->rt = rt;
754                 bcopy(&rt->src, &pcb->src, sizeof(pcb->src));
755
756                 error = 0;
757         } else
758                 error = ENETDOWN;
759
760         mtx_unlock(&ng_btsocket_l2cap_raw_rt_mtx);
761         mtx_unlock(&pcb->pcb_mtx);
762
763         return  (error);
764 } /* ng_btsocket_l2cap_raw_connect */
765
766 /*
767  * Process ioctl's calls on socket
768  */
769
770 int
771 ng_btsocket_l2cap_raw_control(struct socket *so, u_long cmd, caddr_t data,
772                 struct ifnet *ifp, struct thread *td)
773 {
774         ng_btsocket_l2cap_raw_pcb_p      pcb = so2l2cap_raw_pcb(so);
775         struct ng_mesg                  *msg = NULL;
776         int                              error = 0;
777
778         if (pcb == NULL)
779                 return (EINVAL);
780         if (ng_btsocket_l2cap_raw_node == NULL)
781                 return (EINVAL);
782
783         mtx_lock(&pcb->pcb_mtx);
784
785         /* Check if we route info */
786         if (pcb->rt == NULL) {
787                 mtx_unlock(&pcb->pcb_mtx);
788                 return (EHOSTUNREACH);
789         }
790
791         /* Check if we have pending ioctl() */
792         if (pcb->token != 0) {
793                 mtx_unlock(&pcb->pcb_mtx);
794                 return (EBUSY);
795         }  
796
797         switch (cmd) {
798         case SIOC_L2CAP_NODE_GET_FLAGS: {
799                 struct ng_btsocket_l2cap_raw_node_flags *p =
800                         (struct ng_btsocket_l2cap_raw_node_flags *) data;
801
802                 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
803                                 NGM_L2CAP_NODE_GET_FLAGS,
804                                 &p->flags, sizeof(p->flags));
805                 } break;
806
807         case SIOC_L2CAP_NODE_GET_DEBUG: {
808                 struct ng_btsocket_l2cap_raw_node_debug *p =
809                         (struct ng_btsocket_l2cap_raw_node_debug *) data;
810
811                 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
812                                 NGM_L2CAP_NODE_GET_DEBUG,
813                                 &p->debug, sizeof(p->debug));
814                 } break;
815
816         case SIOC_L2CAP_NODE_SET_DEBUG: {
817                 struct ng_btsocket_l2cap_raw_node_debug *p = 
818                         (struct ng_btsocket_l2cap_raw_node_debug *) data;
819
820                 if (pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)
821                         error = ng_btsocket_l2cap_raw_send_ngmsg(pcb->rt->hook,
822                                         NGM_L2CAP_NODE_SET_DEBUG,
823                                         &p->debug, sizeof(p->debug));
824                 else
825                         error = EPERM;
826                 } break;
827
828         case SIOC_L2CAP_NODE_GET_CON_LIST: {
829                 struct ng_btsocket_l2cap_raw_con_list   *p =
830                         (struct ng_btsocket_l2cap_raw_con_list *) data;
831                 ng_l2cap_node_con_list_ep               *p1 = NULL;
832                 ng_l2cap_node_con_ep                    *p2 = NULL;
833  
834                 if (p->num_connections == 0 ||
835                     p->num_connections > NG_L2CAP_MAX_CON_NUM ||
836                     p->connections == NULL) {
837                         error = EINVAL;
838                         break;
839                 }
840
841                 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, NGM_L2CAP_NODE_GET_CON_LIST,
842                         0, M_WAITOK | M_NULLOK);
843                 if (msg == NULL) {
844                         error = ENOMEM;
845                         break;
846                 }
847                 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
848                 pcb->token = msg->header.token;
849                 pcb->msg = NULL;
850
851                 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
852                         pcb->rt->hook, 0);
853                 if (error != 0) {
854                         pcb->token = 0;
855                         break;
856                 }
857
858                 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
859                                 ng_btsocket_l2cap_raw_ioctl_timeout * hz);
860                 pcb->token = 0;
861
862                 if (error != 0)
863                         break;
864
865                 if (pcb->msg != NULL &&
866                     pcb->msg->header.cmd == NGM_L2CAP_NODE_GET_CON_LIST) {
867                         /* Return data back to user space */
868                         p1 = (ng_l2cap_node_con_list_ep *)(pcb->msg->data);
869                         p2 = (ng_l2cap_node_con_ep *)(p1 + 1);
870
871                         p->num_connections = min(p->num_connections,
872                                                 p1->num_connections);
873                         if (p->num_connections > 0)
874                                 error = copyout((caddr_t) p2, 
875                                         (caddr_t) p->connections,
876                                         p->num_connections * sizeof(*p2));
877                 } else
878                         error = EINVAL;
879
880                 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
881                 } break;
882
883         case SIOC_L2CAP_NODE_GET_CHAN_LIST: {
884                 struct ng_btsocket_l2cap_raw_chan_list  *p =
885                         (struct ng_btsocket_l2cap_raw_chan_list *) data;
886                 ng_l2cap_node_chan_list_ep              *p1 = NULL;
887                 ng_l2cap_node_chan_ep                   *p2 = NULL;
888  
889                 if (p->num_channels == 0 ||
890                     p->num_channels > NG_L2CAP_MAX_CHAN_NUM ||
891                     p->channels == NULL) {
892                         error = EINVAL;
893                         break;
894                 }
895  
896                 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
897                         NGM_L2CAP_NODE_GET_CHAN_LIST, 0, M_WAITOK | M_NULLOK);
898                 if (msg == NULL) {
899                         error = ENOMEM;
900                         break;
901                 }
902                 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
903                 pcb->token = msg->header.token;
904                 pcb->msg = NULL;
905
906                 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
907                         pcb->rt->hook, 0);
908                 if (error != 0) {
909                         pcb->token = 0;
910                         break;
911                 }
912
913                 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
914                                 ng_btsocket_l2cap_raw_ioctl_timeout * hz);
915                 pcb->token = 0;
916
917                 if (error != 0)
918                         break;
919
920                 if (pcb->msg != NULL &&
921                     pcb->msg->header.cmd == NGM_L2CAP_NODE_GET_CHAN_LIST) {
922                         /* Return data back to user space */
923                         p1 = (ng_l2cap_node_chan_list_ep *)(pcb->msg->data);
924                         p2 = (ng_l2cap_node_chan_ep *)(p1 + 1);
925
926                         p->num_channels = min(p->num_channels, 
927                                                 p1->num_channels);
928                         if (p->num_channels > 0)
929                                 error = copyout((caddr_t) p2, 
930                                                 (caddr_t) p->channels,
931                                                 p->num_channels * sizeof(*p2));
932                 } else
933                         error = EINVAL;
934
935                 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
936                 } break;
937
938         case SIOC_L2CAP_L2CA_PING: {
939                 struct ng_btsocket_l2cap_raw_ping       *p = 
940                         (struct ng_btsocket_l2cap_raw_ping *) data;
941                 ng_l2cap_l2ca_ping_ip                   *ip = NULL;
942                 ng_l2cap_l2ca_ping_op                   *op = NULL;
943
944                 if (!(pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)) {
945                         error = EPERM;
946                         break;
947                 }
948
949                 if ((p->echo_size != 0 && p->echo_data == NULL) ||
950                      p->echo_size > NG_L2CAP_MAX_ECHO_SIZE) {
951                         error = EINVAL;
952                         break;
953                 }
954
955                 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
956                         NGM_L2CAP_L2CA_PING, sizeof(*ip) + p->echo_size,
957                         M_WAITOK | M_NULLOK);
958                 if (msg == NULL) {
959                         error = ENOMEM;
960                         break;
961                 }
962                 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
963                 pcb->token = msg->header.token;
964                 pcb->msg = NULL;
965
966                 ip = (ng_l2cap_l2ca_ping_ip *)(msg->data);
967                 bcopy(&pcb->dst, &ip->bdaddr, sizeof(ip->bdaddr));
968                 ip->echo_size = p->echo_size;
969
970                 if (ip->echo_size > 0) {
971                         error = copyin(p->echo_data, ip + 1, p->echo_size);
972                         if (error != 0) {
973                                 NG_FREE_MSG(msg);
974                                 pcb->token = 0;
975                                 break;
976                         }
977                 }
978
979                 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
980                         pcb->rt->hook, 0);
981                 if (error != 0) {
982                         pcb->token = 0;
983                         break;
984                 }
985
986                 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
987                                 bluetooth_l2cap_rtx_timeout());
988                 pcb->token = 0;
989
990                 if (error != 0)
991                         break;
992
993                 if (pcb->msg != NULL &&
994                     pcb->msg->header.cmd == NGM_L2CAP_L2CA_PING) {
995                         /* Return data back to the user space */
996                         op = (ng_l2cap_l2ca_ping_op *)(pcb->msg->data);
997                         p->result = op->result;
998                         p->echo_size = min(p->echo_size, op->echo_size);
999
1000                         if (p->echo_size > 0)
1001                                 error = copyout(op + 1, p->echo_data, 
1002                                                 p->echo_size);
1003                 } else
1004                         error = EINVAL;
1005
1006                 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1007                 } break;
1008
1009         case SIOC_L2CAP_L2CA_GET_INFO: {
1010                 struct ng_btsocket_l2cap_raw_get_info   *p = 
1011                         (struct ng_btsocket_l2cap_raw_get_info *) data;
1012                 ng_l2cap_l2ca_get_info_ip               *ip = NULL;
1013                 ng_l2cap_l2ca_get_info_op               *op = NULL;
1014
1015                 if (!(pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)) {
1016                         error = EPERM;
1017                         break;
1018                 }
1019
1020                 if (p->info_size != 0 && p->info_data == NULL) {
1021                         error = EINVAL;
1022                         break;
1023                 }
1024
1025                 NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE,
1026                         NGM_L2CAP_L2CA_GET_INFO, sizeof(*ip) + p->info_size,
1027                         M_WAITOK | M_NULLOK);
1028                 if (msg == NULL) {
1029                         error = ENOMEM;
1030                         break;
1031                 }
1032                 ng_btsocket_l2cap_raw_get_token(&msg->header.token);
1033                 pcb->token = msg->header.token;
1034                 pcb->msg = NULL;
1035
1036                 ip = (ng_l2cap_l2ca_get_info_ip *)(msg->data);
1037                 bcopy(&pcb->dst, &ip->bdaddr, sizeof(ip->bdaddr));
1038                 ip->info_type = p->info_type;
1039
1040                 NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
1041                         pcb->rt->hook, 0);
1042                 if (error != 0) {
1043                         pcb->token = 0;
1044                         break;
1045                 }
1046
1047                 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
1048                                 bluetooth_l2cap_rtx_timeout());
1049                 pcb->token = 0;
1050
1051                 if (error != 0)
1052                         break;
1053
1054                 if (pcb->msg != NULL &&
1055                     pcb->msg->header.cmd == NGM_L2CAP_L2CA_GET_INFO) {
1056                         /* Return data back to the user space */
1057                         op = (ng_l2cap_l2ca_get_info_op *)(pcb->msg->data);
1058                         p->result = op->result;
1059                         p->info_size = min(p->info_size, op->info_size);
1060
1061                         if (p->info_size > 0)
1062                                 error = copyout(op + 1, p->info_data, 
1063                                                 p->info_size);
1064                 } else
1065                         error = EINVAL;
1066
1067                 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1068                 } break;
1069
1070         case SIOC_L2CAP_NODE_GET_AUTO_DISCON_TIMO: {
1071                 struct ng_btsocket_l2cap_raw_auto_discon_timo   *p =
1072                         (struct ng_btsocket_l2cap_raw_auto_discon_timo *) data;
1073
1074                 error = ng_btsocket_l2cap_raw_send_sync_ngmsg(pcb,
1075                                 NGM_L2CAP_NODE_GET_AUTO_DISCON_TIMO,
1076                                 &p->timeout, sizeof(p->timeout));
1077                 } break;
1078
1079         case SIOC_L2CAP_NODE_SET_AUTO_DISCON_TIMO: {
1080                 struct ng_btsocket_l2cap_raw_auto_discon_timo   *p =
1081                         (struct ng_btsocket_l2cap_raw_auto_discon_timo *) data;
1082
1083                 if (pcb->flags & NG_BTSOCKET_L2CAP_RAW_PRIVILEGED)
1084                         error = ng_btsocket_l2cap_raw_send_ngmsg(pcb->rt->hook,
1085                                         NGM_L2CAP_NODE_SET_AUTO_DISCON_TIMO,
1086                                         &p->timeout, sizeof(p->timeout));
1087                 else
1088                         error = EPERM;
1089                 } break;
1090
1091         default:
1092                 error = EINVAL;
1093                 break;
1094         }
1095
1096         mtx_unlock(&pcb->pcb_mtx);
1097
1098         return (error);
1099 } /* ng_btsocket_l2cap_raw_control */
1100
1101 /*
1102  * Detach and destroy socket
1103  */
1104
1105 void
1106 ng_btsocket_l2cap_raw_detach(struct socket *so)
1107 {
1108         ng_btsocket_l2cap_raw_pcb_p     pcb = so2l2cap_raw_pcb(so);
1109
1110         KASSERT(pcb != NULL, ("nt_btsocket_l2cap_raw_detach: pcb == NULL"));
1111         if (ng_btsocket_l2cap_raw_node == NULL) 
1112                 return;
1113
1114         mtx_lock(&ng_btsocket_l2cap_raw_sockets_mtx);
1115         mtx_lock(&pcb->pcb_mtx);
1116
1117         LIST_REMOVE(pcb, next);
1118
1119         mtx_unlock(&pcb->pcb_mtx);
1120         mtx_unlock(&ng_btsocket_l2cap_raw_sockets_mtx);
1121
1122         mtx_destroy(&pcb->pcb_mtx);
1123
1124         bzero(pcb, sizeof(*pcb));
1125         kfree(pcb, M_NETGRAPH_BTSOCKET_L2CAP_RAW);
1126
1127         so->so_pcb = NULL;
1128 } /* ng_btsocket_l2cap_raw_detach */
1129
1130 /*
1131  * Disconnect socket
1132  */
1133
1134 int
1135 ng_btsocket_l2cap_raw_disconnect(struct socket *so)
1136 {
1137         ng_btsocket_l2cap_raw_pcb_p     pcb = so2l2cap_raw_pcb(so);
1138
1139         if (pcb == NULL)
1140                 return (EINVAL);
1141         if (ng_btsocket_l2cap_raw_node == NULL)
1142                 return (EINVAL);
1143
1144         mtx_lock(&pcb->pcb_mtx);
1145         pcb->rt = NULL;
1146         soisdisconnected(so);
1147         mtx_unlock(&pcb->pcb_mtx);
1148
1149         return (0);
1150 } /* ng_btsocket_l2cap_raw_disconnect */
1151
1152 /*
1153  * Get peer address
1154  */
1155
1156 int
1157 ng_btsocket_l2cap_raw_peeraddr(struct socket *so, struct sockaddr **nam)
1158 {
1159         ng_btsocket_l2cap_raw_pcb_p     pcb = so2l2cap_raw_pcb(so);
1160         struct sockaddr_l2cap           sa;
1161
1162         if (pcb == NULL)
1163                 return (EINVAL);
1164         if (ng_btsocket_l2cap_raw_node == NULL) 
1165                 return (EINVAL);
1166
1167         mtx_lock(&pcb->pcb_mtx);
1168         bcopy(&pcb->dst, &sa.l2cap_bdaddr, sizeof(sa.l2cap_bdaddr));
1169         mtx_unlock(&pcb->pcb_mtx);
1170
1171         sa.l2cap_psm = 0;
1172         sa.l2cap_len = sizeof(sa);
1173         sa.l2cap_family = AF_BLUETOOTH;
1174
1175         *nam = sodupsockaddr((struct sockaddr *) &sa, M_WAITOK | M_NULLOK);
1176
1177         return ((*nam == NULL)? ENOMEM : 0);
1178 } /* ng_btsocket_l2cap_raw_peeraddr */
1179
1180 /*
1181  * Send data to socket
1182  */
1183
1184 int
1185 ng_btsocket_l2cap_raw_send(struct socket *so, int flags, struct mbuf *m,
1186                 struct sockaddr *nam, struct mbuf *control, struct thread *td)
1187 {
1188         NG_FREE_M(m); /* Checks for m != NULL */
1189         NG_FREE_M(control);
1190
1191         return (EOPNOTSUPP);
1192 } /* ng_btsocket_l2cap_raw_send */
1193
1194 /*
1195  * Get socket address
1196  */
1197
1198 int
1199 ng_btsocket_l2cap_raw_sockaddr(struct socket *so, struct sockaddr **nam)
1200 {
1201         ng_btsocket_l2cap_raw_pcb_p     pcb = so2l2cap_raw_pcb(so);
1202         struct sockaddr_l2cap           sa;
1203
1204         if (pcb == NULL)
1205                 return (EINVAL);
1206         if (ng_btsocket_l2cap_raw_node == NULL) 
1207                 return (EINVAL);
1208
1209         mtx_lock(&pcb->pcb_mtx);
1210         bcopy(&pcb->src, &sa.l2cap_bdaddr, sizeof(sa.l2cap_bdaddr));
1211         mtx_unlock(&pcb->pcb_mtx);
1212
1213         sa.l2cap_psm = 0;
1214         sa.l2cap_len = sizeof(sa);
1215         sa.l2cap_family = AF_BLUETOOTH;
1216
1217         *nam = sodupsockaddr((struct sockaddr *) &sa, M_WAITOK | M_NULLOK);
1218
1219         return ((*nam == NULL)? ENOMEM : 0);
1220 } /* ng_btsocket_l2cap_raw_sockaddr */
1221
1222 /*
1223  * Get next token
1224  */
1225
1226 static void
1227 ng_btsocket_l2cap_raw_get_token(u_int32_t *token)
1228 {
1229         mtx_lock(&ng_btsocket_l2cap_raw_token_mtx);
1230   
1231         if (++ ng_btsocket_l2cap_raw_token == 0)
1232                 ng_btsocket_l2cap_raw_token = 1;
1233  
1234         *token = ng_btsocket_l2cap_raw_token;
1235  
1236         mtx_unlock(&ng_btsocket_l2cap_raw_token_mtx);
1237 } /* ng_btsocket_l2cap_raw_get_token */
1238
1239 /*
1240  * Send Netgraph message to the node - do not expect reply
1241  */
1242
1243 static int
1244 ng_btsocket_l2cap_raw_send_ngmsg(hook_p hook, int cmd, void *arg, int arglen)
1245 {
1246         struct ng_mesg  *msg = NULL;
1247         int              error = 0;
1248
1249         NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, cmd, arglen, M_WAITOK | M_NULLOK);
1250         if (msg == NULL)
1251                 return (ENOMEM);
1252
1253         if (arg != NULL && arglen > 0)
1254                 bcopy(arg, msg->data, arglen);
1255
1256         NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg, hook, 0);
1257
1258         return (error);
1259 } /* ng_btsocket_l2cap_raw_send_ngmsg */
1260
1261 /*
1262  * Send Netgraph message to the node (no data) and wait for reply
1263  */
1264
1265 static int
1266 ng_btsocket_l2cap_raw_send_sync_ngmsg(ng_btsocket_l2cap_raw_pcb_p pcb,
1267                 int cmd, void *rsp, int rsplen)
1268 {
1269         struct ng_mesg  *msg = NULL;
1270         int              error = 0;
1271
1272         mtx_assert(&pcb->pcb_mtx, MA_OWNED);
1273
1274         NG_MKMESSAGE(msg, NGM_L2CAP_COOKIE, cmd, 0, M_WAITOK | M_NULLOK);
1275         if (msg == NULL)
1276                 return (ENOMEM);
1277
1278         ng_btsocket_l2cap_raw_get_token(&msg->header.token);
1279         pcb->token = msg->header.token;
1280         pcb->msg = NULL;
1281
1282         NG_SEND_MSG_HOOK(error, ng_btsocket_l2cap_raw_node, msg,
1283                 pcb->rt->hook, 0);
1284         if (error != 0) {
1285                 pcb->token = 0;
1286                 return (error);
1287         }
1288
1289         error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "l2ctl",
1290                         ng_btsocket_l2cap_raw_ioctl_timeout * hz);
1291         pcb->token = 0;
1292
1293         if (error != 0)
1294                 return (error);
1295
1296         if (pcb->msg != NULL && pcb->msg->header.cmd == cmd)
1297                 bcopy(pcb->msg->data, rsp, rsplen);
1298         else
1299                 error = EINVAL;
1300
1301         NG_FREE_MSG(pcb->msg); /* checks for != NULL */
1302
1303         return (0);
1304 } /* ng_btsocket_l2cap_raw_send_sync_ngmsg */
1305