2 * ng_btsocket_hci_raw.c
6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
8 * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com>
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $Id: ng_btsocket_hci_raw.c,v 1.14 2003/09/14 23:29:06 max Exp $
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/bitstring.h>
39 #include <sys/domain.h>
40 #include <sys/endian.h>
41 #include <sys/errno.h>
42 #include <sys/filedesc.h>
43 #include <sys/ioccom.h>
44 #include <sys/kernel.h>
46 #include <sys/malloc.h>
48 #include <sys/mutex.h>
50 #include <sys/protosw.h>
51 #include <sys/queue.h>
52 #include <sys/socket.h>
53 #include <sys/socketvar.h>
54 #include <sys/sysctl.h>
55 #include <sys/taskqueue.h>
59 #include <netgraph/ng_message.h>
60 #include <netgraph/netgraph.h>
61 #include <netgraph/bluetooth/include/ng_bluetooth.h>
62 #include <netgraph/bluetooth/include/ng_hci.h>
63 #include <netgraph/bluetooth/include/ng_l2cap.h>
64 #include <netgraph/bluetooth/include/ng_btsocket.h>
65 #include <netgraph/bluetooth/include/ng_btsocket_hci_raw.h>
68 #ifdef NG_SEPARATE_MALLOC
69 static MALLOC_DEFINE(M_NETGRAPH_BTSOCKET_HCI_RAW, "netgraph_btsocks_hci_raw",
70 "Netgraph Bluetooth raw HCI sockets");
72 #define M_NETGRAPH_BTSOCKET_HCI_RAW M_NETGRAPH
73 #endif /* NG_SEPARATE_MALLOC */
75 /* Netgraph node methods */
76 static ng_constructor_t ng_btsocket_hci_raw_node_constructor;
77 static ng_rcvmsg_t ng_btsocket_hci_raw_node_rcvmsg;
78 static ng_shutdown_t ng_btsocket_hci_raw_node_shutdown;
79 static ng_newhook_t ng_btsocket_hci_raw_node_newhook;
80 static ng_connect_t ng_btsocket_hci_raw_node_connect;
81 static ng_rcvdata_t ng_btsocket_hci_raw_node_rcvdata;
82 static ng_disconnect_t ng_btsocket_hci_raw_node_disconnect;
84 static void ng_btsocket_hci_raw_input (void *, int);
85 static void ng_btsocket_hci_raw_output(node_p, hook_p, void *, int);
86 static void ng_btsocket_hci_raw_savctl(ng_btsocket_hci_raw_pcb_p,
89 static int ng_btsocket_hci_raw_filter(ng_btsocket_hci_raw_pcb_p,
92 #define ng_btsocket_hci_raw_wakeup_input_task() \
93 taskqueue_enqueue(taskqueue_swi, &ng_btsocket_hci_raw_task)
96 struct ng_btsocket_hci_raw_sec_filter {
97 bitstr_t bit_decl(events, 0xff);
98 bitstr_t bit_decl(commands[0x3f], 0x3ff);
101 /* Netgraph type descriptor */
102 static struct ng_type typestruct = {
103 .version = NG_ABI_VERSION,
104 .name = NG_BTSOCKET_HCI_RAW_NODE_TYPE,
105 .constructor = ng_btsocket_hci_raw_node_constructor,
106 .rcvmsg = ng_btsocket_hci_raw_node_rcvmsg,
107 .shutdown = ng_btsocket_hci_raw_node_shutdown,
108 .newhook = ng_btsocket_hci_raw_node_newhook,
109 .connect = ng_btsocket_hci_raw_node_connect,
110 .rcvdata = ng_btsocket_hci_raw_node_rcvdata,
111 .disconnect = ng_btsocket_hci_raw_node_disconnect,
115 static u_int32_t ng_btsocket_hci_raw_debug_level;
116 static u_int32_t ng_btsocket_hci_raw_ioctl_timeout;
117 static node_p ng_btsocket_hci_raw_node;
118 static struct ng_bt_itemq ng_btsocket_hci_raw_queue;
119 static struct mtx ng_btsocket_hci_raw_queue_mtx;
120 static struct task ng_btsocket_hci_raw_task;
121 static LIST_HEAD(, ng_btsocket_hci_raw_pcb) ng_btsocket_hci_raw_sockets;
122 static struct mtx ng_btsocket_hci_raw_sockets_mtx;
123 static u_int32_t ng_btsocket_hci_raw_token;
124 static struct mtx ng_btsocket_hci_raw_token_mtx;
125 static struct ng_btsocket_hci_raw_sec_filter *ng_btsocket_hci_raw_sec_filter;
126 static struct timeval ng_btsocket_hci_raw_lasttime;
127 static int ng_btsocket_hci_raw_curpps;
130 SYSCTL_DECL(_net_bluetooth_hci_sockets);
131 static SYSCTL_NODE(_net_bluetooth_hci_sockets, OID_AUTO, raw,
132 CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
133 "Bluetooth raw HCI sockets family");
134 SYSCTL_UINT(_net_bluetooth_hci_sockets_raw, OID_AUTO, debug_level, CTLFLAG_RW,
135 &ng_btsocket_hci_raw_debug_level, NG_BTSOCKET_WARN_LEVEL,
136 "Bluetooth raw HCI sockets debug level");
137 SYSCTL_UINT(_net_bluetooth_hci_sockets_raw, OID_AUTO, ioctl_timeout, CTLFLAG_RW,
138 &ng_btsocket_hci_raw_ioctl_timeout, 5,
139 "Bluetooth raw HCI sockets ioctl timeout");
140 SYSCTL_UINT(_net_bluetooth_hci_sockets_raw, OID_AUTO, queue_len, CTLFLAG_RD,
141 &ng_btsocket_hci_raw_queue.len, 0,
142 "Bluetooth raw HCI sockets input queue length");
143 SYSCTL_UINT(_net_bluetooth_hci_sockets_raw, OID_AUTO, queue_maxlen, CTLFLAG_RD,
144 &ng_btsocket_hci_raw_queue.maxlen, 0,
145 "Bluetooth raw HCI sockets input queue max. length");
146 SYSCTL_UINT(_net_bluetooth_hci_sockets_raw, OID_AUTO, queue_drops, CTLFLAG_RD,
147 &ng_btsocket_hci_raw_queue.drops, 0,
148 "Bluetooth raw HCI sockets input queue drops");
151 #define NG_BTSOCKET_HCI_RAW_INFO \
152 if (ng_btsocket_hci_raw_debug_level >= NG_BTSOCKET_INFO_LEVEL && \
153 ppsratecheck(&ng_btsocket_hci_raw_lasttime, &ng_btsocket_hci_raw_curpps, 1)) \
156 #define NG_BTSOCKET_HCI_RAW_WARN \
157 if (ng_btsocket_hci_raw_debug_level >= NG_BTSOCKET_WARN_LEVEL && \
158 ppsratecheck(&ng_btsocket_hci_raw_lasttime, &ng_btsocket_hci_raw_curpps, 1)) \
161 #define NG_BTSOCKET_HCI_RAW_ERR \
162 if (ng_btsocket_hci_raw_debug_level >= NG_BTSOCKET_ERR_LEVEL && \
163 ppsratecheck(&ng_btsocket_hci_raw_lasttime, &ng_btsocket_hci_raw_curpps, 1)) \
166 #define NG_BTSOCKET_HCI_RAW_ALERT \
167 if (ng_btsocket_hci_raw_debug_level >= NG_BTSOCKET_ALERT_LEVEL && \
168 ppsratecheck(&ng_btsocket_hci_raw_lasttime, &ng_btsocket_hci_raw_curpps, 1)) \
171 /****************************************************************************
172 ****************************************************************************
174 ****************************************************************************
175 ****************************************************************************/
178 * Netgraph node constructor. Do not allow to create node of this type.
182 ng_btsocket_hci_raw_node_constructor(node_p node)
185 } /* ng_btsocket_hci_raw_node_constructor */
188 * Netgraph node destructor. Just let old node go and create new fresh one.
192 ng_btsocket_hci_raw_node_shutdown(node_p node)
198 error = ng_make_node_common(&typestruct, &ng_btsocket_hci_raw_node);
200 NG_BTSOCKET_HCI_RAW_ALERT(
201 "%s: Could not create Netgraph node, error=%d\n", __func__, error);
203 ng_btsocket_hci_raw_node = NULL;
208 error = ng_name_node(ng_btsocket_hci_raw_node,
209 NG_BTSOCKET_HCI_RAW_NODE_TYPE);
211 NG_BTSOCKET_HCI_RAW_ALERT(
212 "%s: Could not name Netgraph node, error=%d\n", __func__, error);
214 NG_NODE_UNREF(ng_btsocket_hci_raw_node);
215 ng_btsocket_hci_raw_node = NULL;
221 } /* ng_btsocket_hci_raw_node_shutdown */
224 * Create new hook. Just say "yes"
228 ng_btsocket_hci_raw_node_newhook(node_p node, hook_p hook, char const *name)
231 } /* ng_btsocket_hci_raw_node_newhook */
234 * Connect hook. Just say "yes"
238 ng_btsocket_hci_raw_node_connect(hook_p hook)
241 } /* ng_btsocket_hci_raw_node_connect */
248 ng_btsocket_hci_raw_node_disconnect(hook_p hook)
251 } /* ng_btsocket_hci_raw_node_disconnect */
254 * Receive control message.
255 * Make sure it is a message from HCI node and it is a response.
256 * Enqueue item and schedule input task.
260 ng_btsocket_hci_raw_node_rcvmsg(node_p node, item_p item, hook_p lasthook)
262 struct ng_mesg *msg = NGI_MSG(item); /* item still has message */
266 * Check for empty sockets list creates LOR when both sender and
267 * receiver device are connected to the same host, so remove it
272 (msg->header.typecookie == NGM_HCI_COOKIE ||
273 msg->header.typecookie == NGM_GENERIC_COOKIE) &&
274 msg->header.flags & NGF_RESP) {
275 if (msg->header.token == 0) {
280 mtx_lock(&ng_btsocket_hci_raw_queue_mtx);
281 if (NG_BT_ITEMQ_FULL(&ng_btsocket_hci_raw_queue)) {
282 NG_BTSOCKET_HCI_RAW_ERR(
283 "%s: Input queue is full\n", __func__);
285 NG_BT_ITEMQ_DROP(&ng_btsocket_hci_raw_queue);
289 NG_BT_ITEMQ_ENQUEUE(&ng_btsocket_hci_raw_queue, item);
290 error = ng_btsocket_hci_raw_wakeup_input_task();
292 mtx_unlock(&ng_btsocket_hci_raw_queue_mtx);
299 } /* ng_btsocket_hci_raw_node_rcvmsg */
302 * Receive packet from the one of our hook.
303 * Prepend every packet with sockaddr_hci and record sender's node name.
304 * Enqueue item and schedule input task.
308 ng_btsocket_hci_raw_node_rcvdata(hook_p hook, item_p item)
310 struct mbuf *nam = NULL;
314 * Check for empty sockets list creates LOR when both sender and
315 * receiver device are connected to the same host, so remove it
319 MGET(nam, M_NOWAIT, MT_SONAME);
321 struct sockaddr_hci *sa = mtod(nam, struct sockaddr_hci *);
323 nam->m_len = sizeof(struct sockaddr_hci);
325 sa->hci_len = sizeof(*sa);
326 sa->hci_family = AF_BLUETOOTH;
327 strlcpy(sa->hci_node, NG_PEER_NODE_NAME(hook),
328 sizeof(sa->hci_node));
330 NGI_GET_M(item, nam->m_next);
333 mtx_lock(&ng_btsocket_hci_raw_queue_mtx);
334 if (NG_BT_ITEMQ_FULL(&ng_btsocket_hci_raw_queue)) {
335 NG_BTSOCKET_HCI_RAW_ERR(
336 "%s: Input queue is full\n", __func__);
338 NG_BT_ITEMQ_DROP(&ng_btsocket_hci_raw_queue);
342 NG_BT_ITEMQ_ENQUEUE(&ng_btsocket_hci_raw_queue, item);
343 error = ng_btsocket_hci_raw_wakeup_input_task();
345 mtx_unlock(&ng_btsocket_hci_raw_queue_mtx);
347 NG_BTSOCKET_HCI_RAW_ERR(
348 "%s: Failed to allocate address mbuf\n", __func__);
355 } /* ng_btsocket_hci_raw_node_rcvdata */
357 /****************************************************************************
358 ****************************************************************************
360 ****************************************************************************
361 ****************************************************************************/
364 * Get next token. We need token to avoid theoretical race where process
365 * submits ioctl() message then interrupts ioctl() and re-submits another
366 * ioctl() on the same socket *before* first ioctl() complete.
370 ng_btsocket_hci_raw_get_token(u_int32_t *token)
372 mtx_lock(&ng_btsocket_hci_raw_token_mtx);
374 if (++ ng_btsocket_hci_raw_token == 0)
375 ng_btsocket_hci_raw_token = 1;
377 *token = ng_btsocket_hci_raw_token;
379 mtx_unlock(&ng_btsocket_hci_raw_token_mtx);
380 } /* ng_btsocket_hci_raw_get_token */
383 * Send Netgraph message to the node - do not expect reply
387 ng_btsocket_hci_raw_send_ngmsg(char *path, int cmd, void *arg, int arglen)
389 struct ng_mesg *msg = NULL;
392 NG_MKMESSAGE(msg, NGM_HCI_COOKIE, cmd, arglen, M_NOWAIT);
396 if (arg != NULL && arglen > 0)
397 bcopy(arg, msg->data, arglen);
399 NG_SEND_MSG_PATH(error, ng_btsocket_hci_raw_node, msg, path, 0);
402 } /* ng_btsocket_hci_raw_send_ngmsg */
405 * Send Netgraph message to the node (no data) and wait for reply
409 ng_btsocket_hci_raw_send_sync_ngmsg(ng_btsocket_hci_raw_pcb_p pcb, char *path,
410 int cmd, void *rsp, int rsplen)
412 struct ng_mesg *msg = NULL;
415 mtx_assert(&pcb->pcb_mtx, MA_OWNED);
417 NG_MKMESSAGE(msg, NGM_HCI_COOKIE, cmd, 0, M_NOWAIT);
421 ng_btsocket_hci_raw_get_token(&msg->header.token);
422 pcb->token = msg->header.token;
425 NG_SEND_MSG_PATH(error, ng_btsocket_hci_raw_node, msg, path, 0);
431 error = msleep(&pcb->msg, &pcb->pcb_mtx, PZERO|PCATCH, "hcictl",
432 ng_btsocket_hci_raw_ioctl_timeout * hz);
438 if (pcb->msg != NULL && pcb->msg->header.cmd == cmd)
439 bcopy(pcb->msg->data, rsp, rsplen);
443 NG_FREE_MSG(pcb->msg); /* checks for != NULL */
446 } /* ng_btsocket_hci_raw_send_sync_ngmsg */
449 * Create control information for the packet
453 ng_btsocket_hci_raw_savctl(ng_btsocket_hci_raw_pcb_p pcb, struct mbuf **ctl,
459 mtx_assert(&pcb->pcb_mtx, MA_OWNED);
461 if (pcb->flags & NG_BTSOCKET_HCI_RAW_DIRECTION) {
462 dir = (m->m_flags & M_PROTO1)? 1 : 0;
463 *ctl = sbcreatecontrol((caddr_t) &dir, sizeof(dir),
464 SCM_HCI_RAW_DIRECTION, SOL_HCI_RAW);
466 ctl = &((*ctl)->m_next);
469 if (pcb->so->so_options & SO_TIMESTAMP) {
471 *ctl = sbcreatecontrol((caddr_t) &tv, sizeof(tv),
472 SCM_TIMESTAMP, SOL_SOCKET);
474 ctl = &((*ctl)->m_next);
476 } /* ng_btsocket_hci_raw_savctl */
479 * Raw HCI sockets data input routine
483 ng_btsocket_hci_raw_data_input(struct mbuf *nam)
485 ng_btsocket_hci_raw_pcb_p pcb = NULL;
486 struct mbuf *m0 = NULL, *m = NULL;
487 struct sockaddr_hci *sa = NULL;
492 KASSERT((nam->m_type == MT_SONAME),
493 ("%s: m_type=%d\n", __func__, nam->m_type));
494 KASSERT((m0->m_flags & M_PKTHDR),
495 ("%s: m_flags=%#x\n", __func__, m0->m_flags));
497 sa = mtod(nam, struct sockaddr_hci *);
499 mtx_lock(&ng_btsocket_hci_raw_sockets_mtx);
501 LIST_FOREACH(pcb, &ng_btsocket_hci_raw_sockets, next) {
503 mtx_lock(&pcb->pcb_mtx);
506 * If socket was bound then check address and
507 * make sure it matches.
510 if (pcb->addr.hci_node[0] != 0 &&
511 strcmp(sa->hci_node, pcb->addr.hci_node) != 0)
515 * Check packet against filters
516 * XXX do we have to call m_pullup() here?
519 if (ng_btsocket_hci_raw_filter(pcb, m0, 1) != 0)
523 * Make a copy of the packet, append to the socket's
524 * receive queue and wakeup socket. sbappendaddr()
525 * will check if socket has enough buffer space.
528 m = m_dup(m0, M_NOWAIT);
530 struct mbuf *ctl = NULL;
532 ng_btsocket_hci_raw_savctl(pcb, &ctl, m);
534 if (sbappendaddr(&pcb->so->so_rcv,
535 (struct sockaddr *) sa, m, ctl))
538 NG_BTSOCKET_HCI_RAW_INFO(
539 "%s: sbappendaddr() failed\n", __func__);
546 mtx_unlock(&pcb->pcb_mtx);
549 mtx_unlock(&ng_btsocket_hci_raw_sockets_mtx);
553 } /* ng_btsocket_hci_raw_data_input */
556 * Raw HCI sockets message input routine
560 ng_btsocket_hci_raw_msg_input(struct ng_mesg *msg)
562 ng_btsocket_hci_raw_pcb_p pcb = NULL;
564 mtx_lock(&ng_btsocket_hci_raw_sockets_mtx);
566 LIST_FOREACH(pcb, &ng_btsocket_hci_raw_sockets, next) {
567 mtx_lock(&pcb->pcb_mtx);
569 if (msg->header.token == pcb->token) {
573 mtx_unlock(&pcb->pcb_mtx);
574 mtx_unlock(&ng_btsocket_hci_raw_sockets_mtx);
579 mtx_unlock(&pcb->pcb_mtx);
582 mtx_unlock(&ng_btsocket_hci_raw_sockets_mtx);
584 NG_FREE_MSG(msg); /* checks for != NULL */
585 } /* ng_btsocket_hci_raw_msg_input */
588 * Raw HCI sockets input routines
592 ng_btsocket_hci_raw_input(void *context, int pending)
597 mtx_lock(&ng_btsocket_hci_raw_queue_mtx);
598 NG_BT_ITEMQ_DEQUEUE(&ng_btsocket_hci_raw_queue, item);
599 mtx_unlock(&ng_btsocket_hci_raw_queue_mtx);
604 switch(item->el_flags & NGQF_TYPE) {
606 struct mbuf *m = NULL;
609 ng_btsocket_hci_raw_data_input(m);
613 struct ng_mesg *msg = NULL;
615 NGI_GET_MSG(item, msg);
616 ng_btsocket_hci_raw_msg_input(msg);
621 ("%s: invalid item type=%ld\n", __func__, (item->el_flags & NGQF_TYPE)));
627 } /* ng_btsocket_hci_raw_input */
630 * Raw HCI sockets output routine
634 ng_btsocket_hci_raw_output(node_p node, hook_p hook, void *arg1, int arg2)
636 struct mbuf *nam = (struct mbuf *) arg1, *m = NULL;
637 struct sockaddr_hci *sa = NULL;
643 KASSERT((nam->m_type == MT_SONAME),
644 ("%s: m_type=%d\n", __func__, nam->m_type));
645 KASSERT((m->m_flags & M_PKTHDR),
646 ("%s: m_flags=%#x\n", __func__, m->m_flags));
648 sa = mtod(nam, struct sockaddr_hci *);
651 * Find downstream hook
652 * XXX For now access node hook list directly. Should be safe because
653 * we used ng_send_fn() and we should have exclusive lock on the node.
656 LIST_FOREACH(hook, &node->nd_hooks, hk_hooks) {
657 if (hook == NULL || NG_HOOK_NOT_VALID(hook) ||
658 NG_NODE_NOT_VALID(NG_PEER_NODE(hook)))
661 if (strcmp(sa->hci_node, NG_PEER_NODE_NAME(hook)) == 0) {
662 NG_SEND_DATA_ONLY(error, hook, m); /* sets m to NULL */
667 NG_FREE_M(nam); /* check for != NULL */
669 } /* ng_btsocket_hci_raw_output */
672 * Check frame against security and socket filters.
673 * d (direction bit) == 1 means incoming frame.
677 ng_btsocket_hci_raw_filter(ng_btsocket_hci_raw_pcb_p pcb, struct mbuf *m, int d)
679 int type, event, opcode;
681 mtx_assert(&pcb->pcb_mtx, MA_OWNED);
683 switch ((type = *mtod(m, u_int8_t *))) {
685 if (!(pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED)) {
686 opcode = le16toh(mtod(m, ng_hci_cmd_pkt_t *)->opcode);
689 ng_btsocket_hci_raw_sec_filter->commands[NG_HCI_OGF(opcode) - 1],
690 NG_HCI_OCF(opcode) - 1))
694 if (d && !bit_test(pcb->filter.packet_mask, NG_HCI_CMD_PKT - 1))
698 case NG_HCI_ACL_DATA_PKT:
699 case NG_HCI_SCO_DATA_PKT:
700 if (!(pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED) ||
701 !bit_test(pcb->filter.packet_mask, type - 1) ||
706 case NG_HCI_EVENT_PKT:
710 event = mtod(m, ng_hci_event_pkt_t *)->event - 1;
712 if (!(pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED))
713 if (!bit_test(ng_btsocket_hci_raw_sec_filter->events, event))
716 if (!bit_test(pcb->filter.event_mask, event))
725 } /* ng_btsocket_hci_raw_filter */
728 * Initialize everything
732 ng_btsocket_hci_raw_init(void)
737 /* Skip initialization of globals for non-default instances. */
738 if (!IS_DEFAULT_VNET(curvnet))
741 ng_btsocket_hci_raw_node = NULL;
742 ng_btsocket_hci_raw_debug_level = NG_BTSOCKET_WARN_LEVEL;
743 ng_btsocket_hci_raw_ioctl_timeout = 5;
745 /* Register Netgraph node type */
746 error = ng_newtype(&typestruct);
748 NG_BTSOCKET_HCI_RAW_ALERT(
749 "%s: Could not register Netgraph node type, error=%d\n", __func__, error);
754 /* Create Netgrapg node */
755 error = ng_make_node_common(&typestruct, &ng_btsocket_hci_raw_node);
757 NG_BTSOCKET_HCI_RAW_ALERT(
758 "%s: Could not create Netgraph node, error=%d\n", __func__, error);
760 ng_btsocket_hci_raw_node = NULL;
765 error = ng_name_node(ng_btsocket_hci_raw_node,
766 NG_BTSOCKET_HCI_RAW_NODE_TYPE);
768 NG_BTSOCKET_HCI_RAW_ALERT(
769 "%s: Could not name Netgraph node, error=%d\n", __func__, error);
771 NG_NODE_UNREF(ng_btsocket_hci_raw_node);
772 ng_btsocket_hci_raw_node = NULL;
777 /* Create input queue */
778 NG_BT_ITEMQ_INIT(&ng_btsocket_hci_raw_queue, 300);
779 mtx_init(&ng_btsocket_hci_raw_queue_mtx,
780 "btsocks_hci_raw_queue_mtx", NULL, MTX_DEF);
781 TASK_INIT(&ng_btsocket_hci_raw_task, 0,
782 ng_btsocket_hci_raw_input, NULL);
784 /* Create list of sockets */
785 LIST_INIT(&ng_btsocket_hci_raw_sockets);
786 mtx_init(&ng_btsocket_hci_raw_sockets_mtx,
787 "btsocks_hci_raw_sockets_mtx", NULL, MTX_DEF);
790 ng_btsocket_hci_raw_token = 0;
791 mtx_init(&ng_btsocket_hci_raw_token_mtx,
792 "btsocks_hci_raw_token_mtx", NULL, MTX_DEF);
798 ng_btsocket_hci_raw_sec_filter =
799 malloc(sizeof(struct ng_btsocket_hci_raw_sec_filter),
800 M_NETGRAPH_BTSOCKET_HCI_RAW, M_NOWAIT|M_ZERO);
801 if (ng_btsocket_hci_raw_sec_filter == NULL) {
802 printf("%s: Could not allocate security filter!\n", __func__);
807 * XXX How paranoid can we get?
809 * Initialize security filter. If bit is set in the mask then
810 * unprivileged socket is allowed to send (receive) this command
814 /* Enable all events */
815 memset(&ng_btsocket_hci_raw_sec_filter->events, 0xff,
816 sizeof(ng_btsocket_hci_raw_sec_filter->events)/
817 sizeof(ng_btsocket_hci_raw_sec_filter->events[0]));
819 /* Disable some critical events */
820 f = ng_btsocket_hci_raw_sec_filter->events;
821 bit_clear(f, NG_HCI_EVENT_RETURN_LINK_KEYS - 1);
822 bit_clear(f, NG_HCI_EVENT_LINK_KEY_NOTIFICATION - 1);
823 bit_clear(f, NG_HCI_EVENT_VENDOR - 1);
825 /* Commands - Link control */
826 f = ng_btsocket_hci_raw_sec_filter->commands[NG_HCI_OGF_LINK_CONTROL-1];
827 bit_set(f, NG_HCI_OCF_INQUIRY - 1);
828 bit_set(f, NG_HCI_OCF_INQUIRY_CANCEL - 1);
829 bit_set(f, NG_HCI_OCF_PERIODIC_INQUIRY - 1);
830 bit_set(f, NG_HCI_OCF_EXIT_PERIODIC_INQUIRY - 1);
831 bit_set(f, NG_HCI_OCF_REMOTE_NAME_REQ - 1);
832 bit_set(f, NG_HCI_OCF_READ_REMOTE_FEATURES - 1);
833 bit_set(f, NG_HCI_OCF_READ_REMOTE_VER_INFO - 1);
834 bit_set(f, NG_HCI_OCF_READ_CLOCK_OFFSET - 1);
836 /* Commands - Link policy */
837 f = ng_btsocket_hci_raw_sec_filter->commands[NG_HCI_OGF_LINK_POLICY-1];
838 bit_set(f, NG_HCI_OCF_ROLE_DISCOVERY - 1);
839 bit_set(f, NG_HCI_OCF_READ_LINK_POLICY_SETTINGS - 1);
841 /* Commands - Host controller and baseband */
842 f = ng_btsocket_hci_raw_sec_filter->commands[NG_HCI_OGF_HC_BASEBAND-1];
843 bit_set(f, NG_HCI_OCF_READ_PIN_TYPE - 1);
844 bit_set(f, NG_HCI_OCF_READ_LOCAL_NAME - 1);
845 bit_set(f, NG_HCI_OCF_READ_CON_ACCEPT_TIMO - 1);
846 bit_set(f, NG_HCI_OCF_READ_PAGE_TIMO - 1);
847 bit_set(f, NG_HCI_OCF_READ_SCAN_ENABLE - 1);
848 bit_set(f, NG_HCI_OCF_READ_PAGE_SCAN_ACTIVITY - 1);
849 bit_set(f, NG_HCI_OCF_READ_INQUIRY_SCAN_ACTIVITY - 1);
850 bit_set(f, NG_HCI_OCF_READ_AUTH_ENABLE - 1);
851 bit_set(f, NG_HCI_OCF_READ_ENCRYPTION_MODE - 1);
852 bit_set(f, NG_HCI_OCF_READ_UNIT_CLASS - 1);
853 bit_set(f, NG_HCI_OCF_READ_VOICE_SETTINGS - 1);
854 bit_set(f, NG_HCI_OCF_READ_AUTO_FLUSH_TIMO - 1);
855 bit_set(f, NG_HCI_OCF_READ_NUM_BROADCAST_RETRANS - 1);
856 bit_set(f, NG_HCI_OCF_READ_HOLD_MODE_ACTIVITY - 1);
857 bit_set(f, NG_HCI_OCF_READ_XMIT_LEVEL - 1);
858 bit_set(f, NG_HCI_OCF_READ_SCO_FLOW_CONTROL - 1);
859 bit_set(f, NG_HCI_OCF_READ_LINK_SUPERVISION_TIMO - 1);
860 bit_set(f, NG_HCI_OCF_READ_SUPPORTED_IAC_NUM - 1);
861 bit_set(f, NG_HCI_OCF_READ_IAC_LAP - 1);
862 bit_set(f, NG_HCI_OCF_READ_PAGE_SCAN_PERIOD - 1);
863 bit_set(f, NG_HCI_OCF_READ_PAGE_SCAN - 1);
864 bit_set(f, NG_HCI_OCF_READ_LE_HOST_SUPPORTED -1);
866 /* Commands - Informational */
867 f = ng_btsocket_hci_raw_sec_filter->commands[NG_HCI_OGF_INFO - 1];
868 bit_set(f, NG_HCI_OCF_READ_LOCAL_VER - 1);
869 bit_set(f, NG_HCI_OCF_READ_LOCAL_FEATURES - 1);
870 bit_set(f, NG_HCI_OCF_READ_BUFFER_SIZE - 1);
871 bit_set(f, NG_HCI_OCF_READ_COUNTRY_CODE - 1);
872 bit_set(f, NG_HCI_OCF_READ_BDADDR - 1);
874 /* Commands - Status */
875 f = ng_btsocket_hci_raw_sec_filter->commands[NG_HCI_OGF_STATUS - 1];
876 bit_set(f, NG_HCI_OCF_READ_FAILED_CONTACT_CNTR - 1);
877 bit_set(f, NG_HCI_OCF_GET_LINK_QUALITY - 1);
878 bit_set(f, NG_HCI_OCF_READ_RSSI - 1);
880 /* Commands - Testing */
881 f = ng_btsocket_hci_raw_sec_filter->commands[NG_HCI_OGF_TESTING - 1];
882 bit_set(f, NG_HCI_OCF_READ_LOOPBACK_MODE - 1);
884 f = ng_btsocket_hci_raw_sec_filter->commands[NG_HCI_OGF_LE -1];
885 bit_set(f, NG_HCI_OCF_LE_SET_SCAN_ENABLE - 1);
886 bit_set(f, NG_HCI_OCF_LE_SET_SCAN_PARAMETERS - 1);
887 bit_set(f, NG_HCI_OCF_LE_READ_LOCAL_SUPPORTED_FEATURES - 1);
888 bit_set(f, NG_HCI_OCF_LE_READ_BUFFER_SIZE - 1);
889 bit_set(f, NG_HCI_OCF_LE_READ_WHITE_LIST_SIZE - 1);
891 } /* ng_btsocket_hci_raw_init */
894 * Abort connection on socket
898 ng_btsocket_hci_raw_abort(struct socket *so)
900 } /* ng_btsocket_hci_raw_abort */
903 ng_btsocket_hci_raw_close(struct socket *so)
905 } /* ng_btsocket_hci_raw_close */
908 * Create new raw HCI socket
912 ng_btsocket_hci_raw_attach(struct socket *so, int proto, struct thread *td)
914 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
920 if (ng_btsocket_hci_raw_node == NULL)
921 return (EPROTONOSUPPORT);
922 if (proto != BLUETOOTH_PROTO_HCI)
923 return (EPROTONOSUPPORT);
924 if (so->so_type != SOCK_RAW)
925 return (ESOCKTNOSUPPORT);
927 error = soreserve(so, NG_BTSOCKET_HCI_RAW_SENDSPACE,
928 NG_BTSOCKET_HCI_RAW_RECVSPACE);
932 pcb = malloc(sizeof(*pcb),
933 M_NETGRAPH_BTSOCKET_HCI_RAW, M_NOWAIT|M_ZERO);
937 so->so_pcb = (caddr_t) pcb;
940 if (priv_check(td, PRIV_NETBLUETOOTH_RAW) == 0)
941 pcb->flags |= NG_BTSOCKET_HCI_RAW_PRIVILEGED;
944 * Set default socket filter. By default socket only accepts HCI
945 * Command_Complete and Command_Status event packets.
948 bit_set(pcb->filter.event_mask, NG_HCI_EVENT_COMMAND_COMPL - 1);
949 bit_set(pcb->filter.event_mask, NG_HCI_EVENT_COMMAND_STATUS - 1);
951 mtx_init(&pcb->pcb_mtx, "btsocks_hci_raw_pcb_mtx", NULL, MTX_DEF);
953 mtx_lock(&ng_btsocket_hci_raw_sockets_mtx);
954 LIST_INSERT_HEAD(&ng_btsocket_hci_raw_sockets, pcb, next);
955 mtx_unlock(&ng_btsocket_hci_raw_sockets_mtx);
958 } /* ng_btsocket_hci_raw_attach */
961 * Bind raw HCI socket
965 ng_btsocket_hci_raw_bind(struct socket *so, struct sockaddr *nam,
968 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
969 struct sockaddr_hci *sa = (struct sockaddr_hci *) nam;
973 if (ng_btsocket_hci_raw_node == NULL)
978 if (sa->hci_family != AF_BLUETOOTH)
979 return (EAFNOSUPPORT);
980 if (sa->hci_len != sizeof(*sa))
982 if (sa->hci_node[0] == 0)
985 mtx_lock(&pcb->pcb_mtx);
986 bcopy(sa, &pcb->addr, sizeof(pcb->addr));
987 mtx_unlock(&pcb->pcb_mtx);
990 } /* ng_btsocket_hci_raw_bind */
993 * Connect raw HCI socket
997 ng_btsocket_hci_raw_connect(struct socket *so, struct sockaddr *nam,
1000 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
1001 struct sockaddr_hci *sa = (struct sockaddr_hci *) nam;
1005 if (ng_btsocket_hci_raw_node == NULL)
1010 if (sa->hci_family != AF_BLUETOOTH)
1011 return (EAFNOSUPPORT);
1012 if (sa->hci_len != sizeof(*sa))
1014 if (sa->hci_node[0] == 0)
1015 return (EDESTADDRREQ);
1017 mtx_lock(&pcb->pcb_mtx);
1019 if (bcmp(sa, &pcb->addr, sizeof(pcb->addr)) != 0) {
1020 mtx_unlock(&pcb->pcb_mtx);
1021 return (EADDRNOTAVAIL);
1026 mtx_unlock(&pcb->pcb_mtx);
1029 } /* ng_btsocket_hci_raw_connect */
1032 * Process ioctl on socket
1036 ng_btsocket_hci_raw_control(struct socket *so, u_long cmd, caddr_t data,
1037 struct ifnet *ifp, struct thread *td)
1039 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
1040 char path[NG_NODESIZ + 1];
1041 struct ng_mesg *msg = NULL;
1046 if (ng_btsocket_hci_raw_node == NULL)
1049 mtx_lock(&pcb->pcb_mtx);
1051 /* Check if we have device name */
1052 if (pcb->addr.hci_node[0] == 0) {
1053 mtx_unlock(&pcb->pcb_mtx);
1054 return (EHOSTUNREACH);
1057 /* Check if we have pending ioctl() */
1058 if (pcb->token != 0) {
1059 mtx_unlock(&pcb->pcb_mtx);
1063 snprintf(path, sizeof(path), "%s:", pcb->addr.hci_node);
1066 case SIOC_HCI_RAW_NODE_GET_STATE: {
1067 struct ng_btsocket_hci_raw_node_state *p =
1068 (struct ng_btsocket_hci_raw_node_state *) data;
1070 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1071 NGM_HCI_NODE_GET_STATE,
1072 &p->state, sizeof(p->state));
1075 case SIOC_HCI_RAW_NODE_INIT:
1076 if (pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED)
1077 error = ng_btsocket_hci_raw_send_ngmsg(path,
1078 NGM_HCI_NODE_INIT, NULL, 0);
1083 case SIOC_HCI_RAW_NODE_GET_DEBUG: {
1084 struct ng_btsocket_hci_raw_node_debug *p =
1085 (struct ng_btsocket_hci_raw_node_debug *) data;
1087 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1088 NGM_HCI_NODE_GET_DEBUG,
1089 &p->debug, sizeof(p->debug));
1092 case SIOC_HCI_RAW_NODE_SET_DEBUG: {
1093 struct ng_btsocket_hci_raw_node_debug *p =
1094 (struct ng_btsocket_hci_raw_node_debug *) data;
1096 if (pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED)
1097 error = ng_btsocket_hci_raw_send_ngmsg(path,
1098 NGM_HCI_NODE_SET_DEBUG, &p->debug,
1104 case SIOC_HCI_RAW_NODE_GET_BUFFER: {
1105 struct ng_btsocket_hci_raw_node_buffer *p =
1106 (struct ng_btsocket_hci_raw_node_buffer *) data;
1108 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1109 NGM_HCI_NODE_GET_BUFFER,
1110 &p->buffer, sizeof(p->buffer));
1113 case SIOC_HCI_RAW_NODE_GET_BDADDR: {
1114 struct ng_btsocket_hci_raw_node_bdaddr *p =
1115 (struct ng_btsocket_hci_raw_node_bdaddr *) data;
1117 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1118 NGM_HCI_NODE_GET_BDADDR,
1119 &p->bdaddr, sizeof(p->bdaddr));
1122 case SIOC_HCI_RAW_NODE_GET_FEATURES: {
1123 struct ng_btsocket_hci_raw_node_features *p =
1124 (struct ng_btsocket_hci_raw_node_features *) data;
1126 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1127 NGM_HCI_NODE_GET_FEATURES,
1128 &p->features, sizeof(p->features));
1131 case SIOC_HCI_RAW_NODE_GET_STAT: {
1132 struct ng_btsocket_hci_raw_node_stat *p =
1133 (struct ng_btsocket_hci_raw_node_stat *) data;
1135 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1136 NGM_HCI_NODE_GET_STAT,
1137 &p->stat, sizeof(p->stat));
1140 case SIOC_HCI_RAW_NODE_RESET_STAT:
1141 if (pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED)
1142 error = ng_btsocket_hci_raw_send_ngmsg(path,
1143 NGM_HCI_NODE_RESET_STAT, NULL, 0);
1148 case SIOC_HCI_RAW_NODE_FLUSH_NEIGHBOR_CACHE:
1149 if (pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED)
1150 error = ng_btsocket_hci_raw_send_ngmsg(path,
1151 NGM_HCI_NODE_FLUSH_NEIGHBOR_CACHE,
1157 case SIOC_HCI_RAW_NODE_GET_NEIGHBOR_CACHE: {
1158 struct ng_btsocket_hci_raw_node_neighbor_cache *p =
1159 (struct ng_btsocket_hci_raw_node_neighbor_cache *) data;
1160 ng_hci_node_get_neighbor_cache_ep *p1 = NULL;
1161 ng_hci_node_neighbor_cache_entry_ep *p2 = NULL;
1163 if (p->num_entries <= 0 ||
1164 p->num_entries > NG_HCI_MAX_NEIGHBOR_NUM ||
1165 p->entries == NULL) {
1166 mtx_unlock(&pcb->pcb_mtx);
1170 NG_MKMESSAGE(msg, NGM_HCI_COOKIE,
1171 NGM_HCI_NODE_GET_NEIGHBOR_CACHE, 0, M_NOWAIT);
1173 mtx_unlock(&pcb->pcb_mtx);
1176 ng_btsocket_hci_raw_get_token(&msg->header.token);
1177 pcb->token = msg->header.token;
1180 NG_SEND_MSG_PATH(error, ng_btsocket_hci_raw_node, msg, path, 0);
1183 mtx_unlock(&pcb->pcb_mtx);
1187 error = msleep(&pcb->msg, &pcb->pcb_mtx,
1188 PZERO|PCATCH, "hcictl",
1189 ng_btsocket_hci_raw_ioctl_timeout * hz);
1193 mtx_unlock(&pcb->pcb_mtx);
1200 mtx_unlock(&pcb->pcb_mtx);
1203 msg->header.cmd == NGM_HCI_NODE_GET_NEIGHBOR_CACHE) {
1204 /* Return data back to user space */
1205 p1 = (ng_hci_node_get_neighbor_cache_ep *)(msg->data);
1206 p2 = (ng_hci_node_neighbor_cache_entry_ep *)(p1 + 1);
1208 p->num_entries = min(p->num_entries, p1->num_entries);
1209 if (p->num_entries > 0)
1210 error = copyout((caddr_t) p2,
1211 (caddr_t) p->entries,
1212 p->num_entries * sizeof(*p2));
1216 NG_FREE_MSG(msg); /* checks for != NULL */
1220 case SIOC_HCI_RAW_NODE_GET_CON_LIST: {
1221 struct ng_btsocket_hci_raw_con_list *p =
1222 (struct ng_btsocket_hci_raw_con_list *) data;
1223 ng_hci_node_con_list_ep *p1 = NULL;
1224 ng_hci_node_con_ep *p2 = NULL;
1226 if (p->num_connections == 0 ||
1227 p->num_connections > NG_HCI_MAX_CON_NUM ||
1228 p->connections == NULL) {
1229 mtx_unlock(&pcb->pcb_mtx);
1233 NG_MKMESSAGE(msg, NGM_HCI_COOKIE, NGM_HCI_NODE_GET_CON_LIST,
1236 mtx_unlock(&pcb->pcb_mtx);
1239 ng_btsocket_hci_raw_get_token(&msg->header.token);
1240 pcb->token = msg->header.token;
1243 NG_SEND_MSG_PATH(error, ng_btsocket_hci_raw_node, msg, path, 0);
1246 mtx_unlock(&pcb->pcb_mtx);
1250 error = msleep(&pcb->msg, &pcb->pcb_mtx,
1251 PZERO|PCATCH, "hcictl",
1252 ng_btsocket_hci_raw_ioctl_timeout * hz);
1256 mtx_unlock(&pcb->pcb_mtx);
1263 mtx_unlock(&pcb->pcb_mtx);
1266 msg->header.cmd == NGM_HCI_NODE_GET_CON_LIST) {
1267 /* Return data back to user space */
1268 p1 = (ng_hci_node_con_list_ep *)(msg->data);
1269 p2 = (ng_hci_node_con_ep *)(p1 + 1);
1271 p->num_connections = min(p->num_connections,
1272 p1->num_connections);
1273 if (p->num_connections > 0)
1274 error = copyout((caddr_t) p2,
1275 (caddr_t) p->connections,
1276 p->num_connections * sizeof(*p2));
1280 NG_FREE_MSG(msg); /* checks for != NULL */
1284 case SIOC_HCI_RAW_NODE_GET_LINK_POLICY_MASK: {
1285 struct ng_btsocket_hci_raw_node_link_policy_mask *p =
1286 (struct ng_btsocket_hci_raw_node_link_policy_mask *)
1289 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1290 NGM_HCI_NODE_GET_LINK_POLICY_SETTINGS_MASK,
1291 &p->policy_mask, sizeof(p->policy_mask));
1294 case SIOC_HCI_RAW_NODE_SET_LINK_POLICY_MASK: {
1295 struct ng_btsocket_hci_raw_node_link_policy_mask *p =
1296 (struct ng_btsocket_hci_raw_node_link_policy_mask *)
1299 if (pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED)
1300 error = ng_btsocket_hci_raw_send_ngmsg(path,
1301 NGM_HCI_NODE_SET_LINK_POLICY_SETTINGS_MASK,
1303 sizeof(p->policy_mask));
1308 case SIOC_HCI_RAW_NODE_GET_PACKET_MASK: {
1309 struct ng_btsocket_hci_raw_node_packet_mask *p =
1310 (struct ng_btsocket_hci_raw_node_packet_mask *) data;
1312 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1313 NGM_HCI_NODE_GET_PACKET_MASK,
1314 &p->packet_mask, sizeof(p->packet_mask));
1317 case SIOC_HCI_RAW_NODE_SET_PACKET_MASK: {
1318 struct ng_btsocket_hci_raw_node_packet_mask *p =
1319 (struct ng_btsocket_hci_raw_node_packet_mask *) data;
1321 if (pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED)
1322 error = ng_btsocket_hci_raw_send_ngmsg(path,
1323 NGM_HCI_NODE_SET_PACKET_MASK,
1325 sizeof(p->packet_mask));
1330 case SIOC_HCI_RAW_NODE_GET_ROLE_SWITCH: {
1331 struct ng_btsocket_hci_raw_node_role_switch *p =
1332 (struct ng_btsocket_hci_raw_node_role_switch *) data;
1334 error = ng_btsocket_hci_raw_send_sync_ngmsg(pcb, path,
1335 NGM_HCI_NODE_GET_ROLE_SWITCH,
1336 &p->role_switch, sizeof(p->role_switch));
1339 case SIOC_HCI_RAW_NODE_SET_ROLE_SWITCH: {
1340 struct ng_btsocket_hci_raw_node_role_switch *p =
1341 (struct ng_btsocket_hci_raw_node_role_switch *) data;
1343 if (pcb->flags & NG_BTSOCKET_HCI_RAW_PRIVILEGED)
1344 error = ng_btsocket_hci_raw_send_ngmsg(path,
1345 NGM_HCI_NODE_SET_ROLE_SWITCH,
1347 sizeof(p->role_switch));
1352 case SIOC_HCI_RAW_NODE_LIST_NAMES: {
1353 struct ng_btsocket_hci_raw_node_list_names *nl =
1354 (struct ng_btsocket_hci_raw_node_list_names *) data;
1355 struct nodeinfo *ni = nl->names;
1357 if (nl->num_names == 0) {
1358 mtx_unlock(&pcb->pcb_mtx);
1362 NG_MKMESSAGE(msg, NGM_GENERIC_COOKIE, NGM_LISTNAMES,
1365 mtx_unlock(&pcb->pcb_mtx);
1368 ng_btsocket_hci_raw_get_token(&msg->header.token);
1369 pcb->token = msg->header.token;
1372 NG_SEND_MSG_PATH(error, ng_btsocket_hci_raw_node, msg, ".:", 0);
1375 mtx_unlock(&pcb->pcb_mtx);
1379 error = msleep(&pcb->msg, &pcb->pcb_mtx,
1380 PZERO|PCATCH, "hcictl",
1381 ng_btsocket_hci_raw_ioctl_timeout * hz);
1385 mtx_unlock(&pcb->pcb_mtx);
1392 mtx_unlock(&pcb->pcb_mtx);
1394 if (msg != NULL && msg->header.cmd == NGM_LISTNAMES) {
1395 /* Return data back to user space */
1396 struct namelist *nl1 = (struct namelist *) msg->data;
1397 struct nodeinfo *ni1 = &nl1->nodeinfo[0];
1399 while (nl->num_names > 0 && nl1->numnames > 0) {
1400 if (strcmp(ni1->type, NG_HCI_NODE_TYPE) == 0) {
1401 error = copyout((caddr_t) ni1,
1415 nl->num_names = ni - nl->names;
1419 NG_FREE_MSG(msg); /* checks for != NULL */
1428 mtx_unlock(&pcb->pcb_mtx);
1431 } /* ng_btsocket_hci_raw_control */
1434 * Process getsockopt/setsockopt system calls
1438 ng_btsocket_hci_raw_ctloutput(struct socket *so, struct sockopt *sopt)
1440 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
1441 struct ng_btsocket_hci_raw_filter filter;
1446 if (ng_btsocket_hci_raw_node == NULL)
1449 if (sopt->sopt_level != SOL_HCI_RAW)
1452 mtx_lock(&pcb->pcb_mtx);
1454 switch (sopt->sopt_dir) {
1456 switch (sopt->sopt_name) {
1457 case SO_HCI_RAW_FILTER:
1458 error = sooptcopyout(sopt, &pcb->filter,
1459 sizeof(pcb->filter));
1462 case SO_HCI_RAW_DIRECTION:
1463 dir = (pcb->flags & NG_BTSOCKET_HCI_RAW_DIRECTION)?1:0;
1464 error = sooptcopyout(sopt, &dir, sizeof(dir));
1474 switch (sopt->sopt_name) {
1475 case SO_HCI_RAW_FILTER:
1476 error = sooptcopyin(sopt, &filter, sizeof(filter),
1479 bcopy(&filter, &pcb->filter,
1480 sizeof(pcb->filter));
1483 case SO_HCI_RAW_DIRECTION:
1484 error = sooptcopyin(sopt, &dir, sizeof(dir),
1490 pcb->flags |= NG_BTSOCKET_HCI_RAW_DIRECTION;
1492 pcb->flags &= ~NG_BTSOCKET_HCI_RAW_DIRECTION;
1506 mtx_unlock(&pcb->pcb_mtx);
1509 } /* ng_btsocket_hci_raw_ctloutput */
1512 * Detach raw HCI socket
1516 ng_btsocket_hci_raw_detach(struct socket *so)
1518 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
1520 KASSERT(pcb != NULL, ("ng_btsocket_hci_raw_detach: pcb == NULL"));
1522 if (ng_btsocket_hci_raw_node == NULL)
1525 mtx_lock(&ng_btsocket_hci_raw_sockets_mtx);
1526 mtx_lock(&pcb->pcb_mtx);
1528 LIST_REMOVE(pcb, next);
1530 mtx_unlock(&pcb->pcb_mtx);
1531 mtx_unlock(&ng_btsocket_hci_raw_sockets_mtx);
1533 mtx_destroy(&pcb->pcb_mtx);
1535 bzero(pcb, sizeof(*pcb));
1536 free(pcb, M_NETGRAPH_BTSOCKET_HCI_RAW);
1539 } /* ng_btsocket_hci_raw_detach */
1542 * Disconnect raw HCI socket
1546 ng_btsocket_hci_raw_disconnect(struct socket *so)
1548 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
1552 if (ng_btsocket_hci_raw_node == NULL)
1555 mtx_lock(&pcb->pcb_mtx);
1556 soisdisconnected(so);
1557 mtx_unlock(&pcb->pcb_mtx);
1560 } /* ng_btsocket_hci_raw_disconnect */
1563 * Get socket peer's address
1567 ng_btsocket_hci_raw_peeraddr(struct socket *so, struct sockaddr **nam)
1569 return (ng_btsocket_hci_raw_sockaddr(so, nam));
1570 } /* ng_btsocket_hci_raw_peeraddr */
1577 ng_btsocket_hci_raw_send(struct socket *so, int flags, struct mbuf *m,
1578 struct sockaddr *sa, struct mbuf *control, struct thread *td)
1580 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
1581 struct mbuf *nam = NULL;
1584 if (ng_btsocket_hci_raw_node == NULL) {
1592 if (control != NULL) {
1597 if (m->m_pkthdr.len < sizeof(ng_hci_cmd_pkt_t) ||
1598 m->m_pkthdr.len > sizeof(ng_hci_cmd_pkt_t) + NG_HCI_CMD_PKT_SIZE) {
1603 if (m->m_len < sizeof(ng_hci_cmd_pkt_t)) {
1604 if ((m = m_pullup(m, sizeof(ng_hci_cmd_pkt_t))) == NULL) {
1609 if (*mtod(m, u_int8_t *) != NG_HCI_CMD_PKT) {
1614 mtx_lock(&pcb->pcb_mtx);
1616 error = ng_btsocket_hci_raw_filter(pcb, m, 0);
1618 mtx_unlock(&pcb->pcb_mtx);
1623 if (pcb->addr.hci_node[0] == 0) {
1624 mtx_unlock(&pcb->pcb_mtx);
1625 error = EDESTADDRREQ;
1629 sa = (struct sockaddr *) &pcb->addr;
1632 MGET(nam, M_NOWAIT, MT_SONAME);
1634 mtx_unlock(&pcb->pcb_mtx);
1639 nam->m_len = sizeof(struct sockaddr_hci);
1640 bcopy(sa,mtod(nam, struct sockaddr_hci *),sizeof(struct sockaddr_hci));
1645 mtx_unlock(&pcb->pcb_mtx);
1647 return (ng_send_fn(ng_btsocket_hci_raw_node, NULL,
1648 ng_btsocket_hci_raw_output, nam, 0));
1650 NG_FREE_M(control); /* NG_FREE_M checks for != NULL */
1655 } /* ng_btsocket_hci_raw_send */
1658 * Get socket address
1662 ng_btsocket_hci_raw_sockaddr(struct socket *so, struct sockaddr **nam)
1664 ng_btsocket_hci_raw_pcb_p pcb = so2hci_raw_pcb(so);
1665 struct sockaddr_hci sa;
1669 if (ng_btsocket_hci_raw_node == NULL)
1672 bzero(&sa, sizeof(sa));
1673 sa.hci_len = sizeof(sa);
1674 sa.hci_family = AF_BLUETOOTH;
1676 mtx_lock(&pcb->pcb_mtx);
1677 strlcpy(sa.hci_node, pcb->addr.hci_node, sizeof(sa.hci_node));
1678 mtx_unlock(&pcb->pcb_mtx);
1680 *nam = sodupsockaddr((struct sockaddr *) &sa, M_NOWAIT);
1682 return ((*nam == NULL)? ENOMEM : 0);
1683 } /* ng_btsocket_hci_raw_sockaddr */