xref: /freebsd/sys/netgraph/bluetooth/l2cap/ng_l2cap_misc.h (revision 5e3190f700637fcfc1a52daeaa4a031fdd2557c7)
1 /*
2  * ng_l2cap_misc.h
3  */
4 
5 /*-
6  * SPDX-License-Identifier: BSD-2-Clause
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  */
34 
35 #ifndef _NETGRAPH_L2CAP_MISC_H_
36 #define _NETGRAPH_L2CAP_MISC_H_
37 
38 void           ng_l2cap_send_hook_info (node_p, hook_p, void *, int);
39 
40 /*
41  * ACL Connections
42  */
43 
44 ng_l2cap_con_p ng_l2cap_new_con       (ng_l2cap_p, bdaddr_p, int);
45 void           ng_l2cap_con_ref       (ng_l2cap_con_p);
46 void           ng_l2cap_con_unref     (ng_l2cap_con_p);
47 ng_l2cap_con_p ng_l2cap_con_by_addr   (ng_l2cap_p, bdaddr_p, unsigned int);
48 ng_l2cap_con_p ng_l2cap_con_by_handle (ng_l2cap_p, u_int16_t);
49 void           ng_l2cap_free_con      (ng_l2cap_con_p);
50 
51 /*
52  * L2CAP channels
53  */
54 
55 ng_l2cap_chan_p ng_l2cap_new_chan     (ng_l2cap_p, ng_l2cap_con_p, u_int16_t, int);
56 ng_l2cap_chan_p ng_l2cap_chan_by_scid (ng_l2cap_p, u_int16_t, int);
57 ng_l2cap_chan_p ng_l2cap_chan_by_conhandle(ng_l2cap_p , uint16_t , u_int16_t);
58 
59 void            ng_l2cap_free_chan    (ng_l2cap_chan_p);
60 
61 /*
62  * L2CAP command descriptors
63  */
64 
65 #define ng_l2cap_link_cmd(con, cmd) \
66 do { \
67 	TAILQ_INSERT_TAIL(&(con)->cmd_list, (cmd), next); \
68 	ng_l2cap_con_ref((con)); \
69 } while (0)
70 
71 #define ng_l2cap_unlink_cmd(cmd) \
72 do { \
73 	TAILQ_REMOVE(&((cmd)->con->cmd_list), (cmd), next); \
74 	ng_l2cap_con_unref((cmd)->con); \
75 } while (0)
76 
77 #define ng_l2cap_free_cmd(cmd) \
78 do { \
79 	KASSERT(!callout_pending(&(cmd)->timo), ("Pending callout!")); \
80 	NG_FREE_M((cmd)->aux); \
81 	bzero((cmd), sizeof(*(cmd))); \
82 	free((cmd), M_NETGRAPH_L2CAP); \
83 } while (0)
84 
85 ng_l2cap_cmd_p ng_l2cap_new_cmd      (ng_l2cap_con_p, ng_l2cap_chan_p,
86 						u_int8_t, u_int8_t, u_int32_t);
87 ng_l2cap_cmd_p ng_l2cap_cmd_by_ident (ng_l2cap_con_p, u_int8_t);
88 u_int8_t       ng_l2cap_get_ident    (ng_l2cap_con_p);
89 
90 /*
91  * Timeout
92  */
93 
94 int ng_l2cap_discon_timeout    (ng_l2cap_con_p);
95 int ng_l2cap_discon_untimeout  (ng_l2cap_con_p);
96 int ng_l2cap_lp_timeout        (ng_l2cap_con_p);
97 int ng_l2cap_lp_untimeout      (ng_l2cap_con_p);
98 int ng_l2cap_command_timeout   (ng_l2cap_cmd_p, int);
99 int ng_l2cap_command_untimeout (ng_l2cap_cmd_p);
100 
101 /*
102  * Other stuff
103  */
104 
105 struct mbuf *   ng_l2cap_prepend      (struct mbuf *, int);
106 ng_l2cap_flow_p ng_l2cap_default_flow (void);
107 
108 #endif /* ndef _NETGRAPH_L2CAP_MISC_H_ */
109