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-rw-r--r--include/net/bluetooth/bluetooth.h181
1 files changed, 181 insertions, 0 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
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+++ b/include/net/bluetooth/bluetooth.h
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1/*
2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
4
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23*/
24
25#ifndef __BLUETOOTH_H
26#define __BLUETOOTH_H
27
28#include <asm/types.h>
29#include <asm/byteorder.h>
30#include <linux/list.h>
31#include <linux/poll.h>
32#include <net/sock.h>
33
34#ifndef AF_BLUETOOTH
35#define AF_BLUETOOTH 31
36#define PF_BLUETOOTH AF_BLUETOOTH
37#endif
38
39/* Reserv for core and drivers use */
40#define BT_SKB_RESERVE 8
41
42#define BTPROTO_L2CAP 0
43#define BTPROTO_HCI 1
44#define BTPROTO_SCO 2
45#define BTPROTO_RFCOMM 3
46#define BTPROTO_BNEP 4
47#define BTPROTO_CMTP 5
48#define BTPROTO_HIDP 6
49#define BTPROTO_AVDTP 7
50
51#define SOL_HCI 0
52#define SOL_L2CAP 6
53#define SOL_SCO 17
54#define SOL_RFCOMM 18
55
56#define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
57#define BT_DBG(fmt, arg...) printk(KERN_INFO "%s: " fmt "\n" , __FUNCTION__ , ## arg)
58#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __FUNCTION__ , ## arg)
59
60#ifdef HCI_DATA_DUMP
61#define BT_DMP(buf, len) bt_dump(__FUNCTION__, buf, len)
62#else
63#define BT_DMP(D...)
64#endif
65
66extern struct proc_dir_entry *proc_bt;
67
68/* Connection and socket states */
69enum {
70 BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
71 BT_OPEN,
72 BT_BOUND,
73 BT_LISTEN,
74 BT_CONNECT,
75 BT_CONNECT2,
76 BT_CONFIG,
77 BT_DISCONN,
78 BT_CLOSED
79};
80
81/* Endianness conversions */
82#define htobs(a) __cpu_to_le16(a)
83#define htobl(a) __cpu_to_le32(a)
84#define btohs(a) __le16_to_cpu(a)
85#define btohl(a) __le32_to_cpu(a)
86
87/* BD Address */
88typedef struct {
89 __u8 b[6];
90} __attribute__((packed)) bdaddr_t;
91
92#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
93#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
94
95/* Copy, swap, convert BD Address */
96static inline int bacmp(bdaddr_t *ba1, bdaddr_t *ba2)
97{
98 return memcmp(ba1, ba2, sizeof(bdaddr_t));
99}
100static inline void bacpy(bdaddr_t *dst, bdaddr_t *src)
101{
102 memcpy(dst, src, sizeof(bdaddr_t));
103}
104
105void baswap(bdaddr_t *dst, bdaddr_t *src);
106char *batostr(bdaddr_t *ba);
107bdaddr_t *strtoba(char *str);
108
109/* Common socket structures and functions */
110
111#define bt_sk(__sk) ((struct bt_sock *) __sk)
112
113struct bt_sock {
114 struct sock sk;
115 bdaddr_t src;
116 bdaddr_t dst;
117 struct list_head accept_q;
118 struct sock *parent;
119};
120
121struct bt_sock_list {
122 struct hlist_head head;
123 rwlock_t lock;
124};
125
126int bt_sock_register(int proto, struct net_proto_family *ops);
127int bt_sock_unregister(int proto);
128void bt_sock_link(struct bt_sock_list *l, struct sock *s);
129void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
130int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags);
131uint bt_sock_poll(struct file * file, struct socket *sock, poll_table *wait);
132int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
133
134void bt_accept_enqueue(struct sock *parent, struct sock *sk);
135void bt_accept_unlink(struct sock *sk);
136struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
137
138/* Skb helpers */
139struct bt_skb_cb {
140 int incoming;
141};
142#define bt_cb(skb) ((struct bt_skb_cb *)(skb->cb))
143
144static inline struct sk_buff *bt_skb_alloc(unsigned int len, int how)
145{
146 struct sk_buff *skb;
147
148 if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
149 skb_reserve(skb, BT_SKB_RESERVE);
150 bt_cb(skb)->incoming = 0;
151 }
152 return skb;
153}
154
155static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk, unsigned long len,
156 int nb, int *err)
157{
158 struct sk_buff *skb;
159
160 if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) {
161 skb_reserve(skb, BT_SKB_RESERVE);
162 bt_cb(skb)->incoming = 0;
163 }
164
165 return skb;
166}
167
168static inline int skb_frags_no(struct sk_buff *skb)
169{
170 register struct sk_buff *frag = skb_shinfo(skb)->frag_list;
171 register int n = 1;
172
173 for (; frag; frag=frag->next, n++);
174 return n;
175}
176
177void bt_dump(char *pref, __u8 *buf, int count);
178
179int bt_err(__u16 code);
180
181#endif /* __BLUETOOTH_H */