Bluetooth: Create separate l2cap_send_disconn_req() function
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / net / bluetooth / bluetooth.h
CommitLineData
1da177e4
LT
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
8c1b2355
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56#define BT_SECURITY 4
57struct bt_security {
58 __u8 level;
59};
60#define BT_SECURITY_SDP 0
61#define BT_SECURITY_LOW 1
62#define BT_SECURITY_MEDIUM 2
63#define BT_SECURITY_HIGH 3
64
c4f912e1
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65#define BT_DEFER_SETUP 7
66
1da177e4 67#define BT_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg)
a418b893
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68#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __func__ , ## arg)
69#define BT_DBG(fmt, arg...) pr_debug("%s: " fmt "\n" , __func__ , ## arg)
1da177e4 70
1da177e4
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71/* Connection and socket states */
72enum {
73 BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
74 BT_OPEN,
75 BT_BOUND,
76 BT_LISTEN,
77 BT_CONNECT,
78 BT_CONNECT2,
79 BT_CONFIG,
80 BT_DISCONN,
81 BT_CLOSED
82};
83
1da177e4
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84/* BD Address */
85typedef struct {
86 __u8 b[6];
87} __attribute__((packed)) bdaddr_t;
88
89#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
90#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
91
92/* Copy, swap, convert BD Address */
93static inline int bacmp(bdaddr_t *ba1, bdaddr_t *ba2)
94{
95 return memcmp(ba1, ba2, sizeof(bdaddr_t));
96}
97static inline void bacpy(bdaddr_t *dst, bdaddr_t *src)
98{
99 memcpy(dst, src, sizeof(bdaddr_t));
100}
101
102void baswap(bdaddr_t *dst, bdaddr_t *src);
103char *batostr(bdaddr_t *ba);
104bdaddr_t *strtoba(char *str);
105
106/* Common socket structures and functions */
107
108#define bt_sk(__sk) ((struct bt_sock *) __sk)
109
110struct bt_sock {
111 struct sock sk;
112 bdaddr_t src;
113 bdaddr_t dst;
114 struct list_head accept_q;
115 struct sock *parent;
c4f912e1 116 u32 defer_setup;
1da177e4
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117};
118
119struct bt_sock_list {
120 struct hlist_head head;
121 rwlock_t lock;
122};
123
124int bt_sock_register(int proto, struct net_proto_family *ops);
125int bt_sock_unregister(int proto);
126void bt_sock_link(struct bt_sock_list *l, struct sock *s);
127void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
128int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags);
129uint bt_sock_poll(struct file * file, struct socket *sock, poll_table *wait);
3241ad82 130int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
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131int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
132
133void bt_accept_enqueue(struct sock *parent, struct sock *sk);
134void bt_accept_unlink(struct sock *sk);
135struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
136
137/* Skb helpers */
138struct bt_skb_cb {
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139 __u8 pkt_type;
140 __u8 incoming;
1da177e4
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141};
142#define bt_cb(skb) ((struct bt_skb_cb *)(skb->cb))
143
dd0fc66f 144static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
1da177e4
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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
1da177e4
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168int bt_err(__u16 code);
169
6516455d 170extern int hci_sock_init(void);
04005dd9 171extern void hci_sock_cleanup(void);
6516455d
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172
173extern int bt_sysfs_init(void);
174extern void bt_sysfs_cleanup(void);
175
a91f2e39 176extern struct class *bt_class;
be9d1227 177
1da177e4 178#endif /* __BLUETOOTH_H */