xref: /freebsd/sys/netgraph/bluetooth/l2cap/ng_l2cap_misc.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*
2  * ng_l2cap_misc.h
3  */
4 
5 /*-
6  * Copyright (c) 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_l2cap_misc.h,v 1.3 2003/09/08 19:11:45 max Exp $
31  * $FreeBSD$
32  */
33 
34 #ifndef _NETGRAPH_L2CAP_MISC_H_
35 #define _NETGRAPH_L2CAP_MISC_H_
36 
37 void           ng_l2cap_send_hook_info (node_p, hook_p, void *, int);
38 
39 /*
40  * ACL Connections
41  */
42 
43 ng_l2cap_con_p ng_l2cap_new_con       (ng_l2cap_p, bdaddr_p);
44 void           ng_l2cap_con_ref       (ng_l2cap_con_p);
45 void           ng_l2cap_con_unref     (ng_l2cap_con_p);
46 ng_l2cap_con_p ng_l2cap_con_by_addr   (ng_l2cap_p, bdaddr_p);
47 ng_l2cap_con_p ng_l2cap_con_by_handle (ng_l2cap_p, u_int16_t);
48 void           ng_l2cap_free_con      (ng_l2cap_con_p);
49 
50 /*
51  * L2CAP channels
52  */
53 
54 ng_l2cap_chan_p ng_l2cap_new_chan     (ng_l2cap_p, ng_l2cap_con_p, u_int16_t);
55 ng_l2cap_chan_p ng_l2cap_chan_by_scid (ng_l2cap_p, u_int16_t);
56 void            ng_l2cap_free_chan    (ng_l2cap_chan_p);
57 
58 /*
59  * L2CAP command descriptors
60  */
61 
62 #define ng_l2cap_link_cmd(con, cmd) \
63 do { \
64 	TAILQ_INSERT_TAIL(&(con)->cmd_list, (cmd), next); \
65 	ng_l2cap_con_ref((con)); \
66 } while (0)
67 
68 #define ng_l2cap_unlink_cmd(cmd) \
69 do { \
70 	TAILQ_REMOVE(&((cmd)->con->cmd_list), (cmd), next); \
71 	ng_l2cap_con_unref((cmd)->con); \
72 } while (0)
73 
74 #define ng_l2cap_free_cmd(cmd) \
75 do { \
76 	KASSERT(!callout_pending(&(cmd)->timo), ("Pending callout!")); \
77 	NG_FREE_M((cmd)->aux); \
78 	bzero((cmd), sizeof(*(cmd))); \
79 	FREE((cmd), M_NETGRAPH_L2CAP); \
80 } while (0)
81 
82 ng_l2cap_cmd_p ng_l2cap_new_cmd      (ng_l2cap_con_p, ng_l2cap_chan_p,
83 						u_int8_t, u_int8_t, u_int32_t);
84 ng_l2cap_cmd_p ng_l2cap_cmd_by_ident (ng_l2cap_con_p, u_int8_t);
85 u_int8_t       ng_l2cap_get_ident    (ng_l2cap_con_p);
86 
87 /*
88  * Timeout
89  */
90 
91 int ng_l2cap_discon_timeout    (ng_l2cap_con_p);
92 int ng_l2cap_discon_untimeout  (ng_l2cap_con_p);
93 int ng_l2cap_lp_timeout        (ng_l2cap_con_p);
94 int ng_l2cap_lp_untimeout      (ng_l2cap_con_p);
95 int ng_l2cap_command_timeout   (ng_l2cap_cmd_p, int);
96 int ng_l2cap_command_untimeout (ng_l2cap_cmd_p);
97 
98 /*
99  * Other stuff
100  */
101 
102 struct mbuf *   ng_l2cap_prepend      (struct mbuf *, int);
103 ng_l2cap_flow_p ng_l2cap_default_flow (void);
104 
105 #endif /* ndef _NETGRAPH_L2CAP_MISC_H_ */
106 
107