xref: /freebsd/sys/netgraph/bluetooth/l2cap/ng_l2cap_misc.h (revision 9768746ba83efa02837c5b9c66348db6e900208f)
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 
39 void           ng_l2cap_send_hook_info (node_p, hook_p, void *, int);
40 
41 /*
42  * ACL Connections
43  */
44 
45 ng_l2cap_con_p ng_l2cap_new_con       (ng_l2cap_p, bdaddr_p, int);
46 void           ng_l2cap_con_ref       (ng_l2cap_con_p);
47 void           ng_l2cap_con_unref     (ng_l2cap_con_p);
48 ng_l2cap_con_p ng_l2cap_con_by_addr   (ng_l2cap_p, bdaddr_p, unsigned int);
49 ng_l2cap_con_p ng_l2cap_con_by_handle (ng_l2cap_p, u_int16_t);
50 void           ng_l2cap_free_con      (ng_l2cap_con_p);
51 
52 /*
53  * L2CAP channels
54  */
55 
56 ng_l2cap_chan_p ng_l2cap_new_chan     (ng_l2cap_p, ng_l2cap_con_p, u_int16_t, int);
57 ng_l2cap_chan_p ng_l2cap_chan_by_scid (ng_l2cap_p, u_int16_t, int);
58 ng_l2cap_chan_p ng_l2cap_chan_by_conhandle(ng_l2cap_p , uint16_t , u_int16_t);
59 
60 void            ng_l2cap_free_chan    (ng_l2cap_chan_p);
61 
62 /*
63  * L2CAP command descriptors
64  */
65 
66 #define ng_l2cap_link_cmd(con, cmd) \
67 do { \
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) \
73 do { \
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) \
79 do { \
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 
86 ng_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);
88 ng_l2cap_cmd_p ng_l2cap_cmd_by_ident (ng_l2cap_con_p, u_int8_t);
89 u_int8_t       ng_l2cap_get_ident    (ng_l2cap_con_p);
90 
91 /*
92  * Timeout
93  */
94 
95 int ng_l2cap_discon_timeout    (ng_l2cap_con_p);
96 int ng_l2cap_discon_untimeout  (ng_l2cap_con_p);
97 int ng_l2cap_lp_timeout        (ng_l2cap_con_p);
98 int ng_l2cap_lp_untimeout      (ng_l2cap_con_p);
99 int ng_l2cap_command_timeout   (ng_l2cap_cmd_p, int);
100 int ng_l2cap_command_untimeout (ng_l2cap_cmd_p);
101 
102 /*
103  * Other stuff
104  */
105 
106 struct mbuf *   ng_l2cap_prepend      (struct mbuf *, int);
107 ng_l2cap_flow_p ng_l2cap_default_flow (void);
108 
109 #endif /* ndef _NETGRAPH_L2CAP_MISC_H_ */
110