1/*
2 * ng_l2cap_misc.h
3 */
4
5/*-
6 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
7 *
8 * Copyright (c) Maksim Yevmenkin <m_evmenkin@yahoo.com>
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
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.
19 *
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
30 * SUCH DAMAGE.
31 *
32 * $Id: ng_l2cap_misc.h,v 1.3 2003/09/08 19:11:45 max Exp $
33 * $FreeBSD$
34 */
35
36#ifndef _NETGRAPH_L2CAP_MISC_H_
37#define _NETGRAPH_L2CAP_MISC_H_
38
39void           ng_l2cap_send_hook_info (node_p, hook_p, void *, int);
40
41/*
42 * ACL Connections
43 */
44
45ng_l2cap_con_p ng_l2cap_new_con       (ng_l2cap_p, bdaddr_p, int);
46void           ng_l2cap_con_ref       (ng_l2cap_con_p);
47void           ng_l2cap_con_unref     (ng_l2cap_con_p);
48ng_l2cap_con_p ng_l2cap_con_by_addr   (ng_l2cap_p, bdaddr_p, unsigned int);
49ng_l2cap_con_p ng_l2cap_con_by_handle (ng_l2cap_p, u_int16_t);
50void           ng_l2cap_free_con      (ng_l2cap_con_p);
51
52/*
53 * L2CAP channels
54 */
55
56ng_l2cap_chan_p ng_l2cap_new_chan     (ng_l2cap_p, ng_l2cap_con_p, u_int16_t, int);
57ng_l2cap_chan_p ng_l2cap_chan_by_scid (ng_l2cap_p, u_int16_t, int);
58ng_l2cap_chan_p ng_l2cap_chan_by_conhandle(ng_l2cap_p , uint16_t , u_int16_t);
59
60void            ng_l2cap_free_chan    (ng_l2cap_chan_p);
61
62/*
63 * L2CAP command descriptors
64 */
65
66#define ng_l2cap_link_cmd(con, cmd) \
67do { \
68	TAILQ_INSERT_TAIL(&(con)->cmd_list, (cmd), next); \
69	ng_l2cap_con_ref((con)); \
70} while (0)
71
72#define ng_l2cap_unlink_cmd(cmd) \
73do { \
74	TAILQ_REMOVE(&((cmd)->con->cmd_list), (cmd), next); \
75	ng_l2cap_con_unref((cmd)->con); \
76} while (0)
77
78#define ng_l2cap_free_cmd(cmd) \
79do { \
80	KASSERT(!callout_pending(&(cmd)->timo), ("Pending callout!")); \
81	NG_FREE_M((cmd)->aux); \
82	bzero((cmd), sizeof(*(cmd))); \
83	free((cmd), M_NETGRAPH_L2CAP); \
84} while (0)
85
86ng_l2cap_cmd_p ng_l2cap_new_cmd      (ng_l2cap_con_p, ng_l2cap_chan_p,
87						u_int8_t, u_int8_t, u_int32_t);
88ng_l2cap_cmd_p ng_l2cap_cmd_by_ident (ng_l2cap_con_p, u_int8_t);
89u_int8_t       ng_l2cap_get_ident    (ng_l2cap_con_p);
90
91/*
92 * Timeout
93 */
94
95int ng_l2cap_discon_timeout    (ng_l2cap_con_p);
96int ng_l2cap_discon_untimeout  (ng_l2cap_con_p);
97int ng_l2cap_lp_timeout        (ng_l2cap_con_p);
98int ng_l2cap_lp_untimeout      (ng_l2cap_con_p);
99int ng_l2cap_command_timeout   (ng_l2cap_cmd_p, int);
100int ng_l2cap_command_untimeout (ng_l2cap_cmd_p);
101
102/*
103 * Other stuff
104 */
105
106struct mbuf *   ng_l2cap_prepend      (struct mbuf *, int);
107ng_l2cap_flow_p ng_l2cap_default_flow (void);
108
109#endif /* ndef _NETGRAPH_L2CAP_MISC_H_ */
110