2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (C) 2000-2001 Qualcomm Incorporated
5 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
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;
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.
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.
28 #include <asm/types.h>
29 #include <asm/byteorder.h>
30 #include <linux/list.h>
31 #include <linux/poll.h>
35 #define AF_BLUETOOTH 31
36 #define PF_BLUETOOTH AF_BLUETOOTH
39 /* Reserv for core and drivers use */
40 #define BT_SKB_RESERVE 8
42 #define BTPROTO_L2CAP 0
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
61 #define BT_SECURITY_SDP 0
62 #define BT_SECURITY_LOW 1
63 #define BT_SECURITY_MEDIUM 2
64 #define BT_SECURITY_HIGH 3
66 #define BT_DEFER_SETUP 7
68 #define BT_FLUSHABLE 8
70 #define BT_FLUSHABLE_OFF 0
71 #define BT_FLUSHABLE_ON 1
77 #define BT_POWER_FORCE_ACTIVE_OFF 0
78 #define BT_POWER_FORCE_ACTIVE_ON 1
80 #define BT_CHANNEL_POLICY 10
82 /* BR/EDR only (default policy)
83 * AMP controllers cannot be used.
84 * Channel move requests from the remote device are denied.
85 * If the L2CAP channel is currently using AMP, move the channel to BR/EDR.
87 #define BT_CHANNEL_POLICY_BREDR_ONLY 0
90 * Allow use of AMP controllers.
91 * If the L2CAP channel is currently on AMP, move it to BR/EDR.
92 * Channel move requests from the remote device are allowed.
94 #define BT_CHANNEL_POLICY_BREDR_PREFERRED 1
97 * Allow use of AMP controllers
98 * If the L2CAP channel is currently on BR/EDR and AMP controller
99 * resources are available, initiate a channel move to AMP.
100 * Channel move requests from the remote device are allowed.
101 * If the L2CAP socket has not been connected yet, try to create
102 * and configure the channel directly on an AMP controller rather
105 #define BT_CHANNEL_POLICY_AMP_PREFERRED 2
107 __attribute__((format (printf, 2, 3)))
108 int bt_printk(const char *level, const char *fmt, ...);
110 #define BT_INFO(fmt, arg...) bt_printk(KERN_INFO, pr_fmt(fmt), ##arg)
111 #define BT_ERR(fmt, arg...) bt_printk(KERN_ERR, pr_fmt(fmt), ##arg)
112 #define BT_DBG(fmt, arg...) pr_debug(fmt "\n", ##arg)
114 /* Connection and socket states */
116 BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */
132 #define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
133 #define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}})
135 /* Copy, swap, convert BD Address */
136 static inline int bacmp(bdaddr_t *ba1, bdaddr_t *ba2)
138 return memcmp(ba1, ba2, sizeof(bdaddr_t));
140 static inline void bacpy(bdaddr_t *dst, bdaddr_t *src)
142 memcpy(dst, src, sizeof(bdaddr_t));
145 void baswap(bdaddr_t *dst, bdaddr_t *src);
146 char *batostr(bdaddr_t *ba);
147 bdaddr_t *strtoba(char *str);
149 /* Common socket structures and functions */
151 #define bt_sk(__sk) ((struct bt_sock *) __sk)
157 struct list_head accept_q;
162 struct bt_sock_list {
163 struct hlist_head head;
167 int bt_sock_register(int proto, const struct net_proto_family *ops);
168 int bt_sock_unregister(int proto);
169 void bt_sock_link(struct bt_sock_list *l, struct sock *s);
170 void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
171 int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
172 struct msghdr *msg, size_t len, int flags);
173 int bt_sock_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
174 struct msghdr *msg, size_t len, int flags);
175 uint bt_sock_poll(struct file * file, struct socket *sock, poll_table *wait);
176 int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
177 int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
179 void bt_accept_enqueue(struct sock *parent, struct sock *sk);
180 void bt_accept_unlink(struct sock *sk);
181 struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
191 unsigned short channel;
194 #define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
196 static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
200 if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
201 skb_reserve(skb, BT_SKB_RESERVE);
202 bt_cb(skb)->incoming = 0;
207 static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk,
208 unsigned long len, int nb, int *err)
213 if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) {
214 skb_reserve(skb, BT_SKB_RESERVE);
215 bt_cb(skb)->incoming = 0;
222 *err = sock_error(sk);
226 if (sk->sk_shutdown) {
238 int bt_to_errno(__u16 code);
240 extern int hci_sock_init(void);
241 extern void hci_sock_cleanup(void);
243 extern int bt_sysfs_init(void);
244 extern void bt_sysfs_cleanup(void);
246 extern struct dentry *bt_debugfs;
248 #ifdef CONFIG_BT_L2CAP
249 int l2cap_init(void);
250 void l2cap_exit(void);
252 static inline int l2cap_init(void)
257 static inline void l2cap_exit(void)
266 static inline int sco_init(void)
271 static inline void sco_exit(void)
276 #endif /* __BLUETOOTH_H */