This source file includes following definitions.
- __printf
- state_to_string
- bdaddr_type_is_valid
- bdaddr_type_is_le
- bacmp
- bacpy
- bt_skb_alloc
- bt_skb_send_alloc
#ifndef __BLUETOOTH_H
#define __BLUETOOTH_H
#include <linux/poll.h>
#include <net/sock.h>
#include <linux/seq_file.h>
#ifndef AF_BLUETOOTH
#define AF_BLUETOOTH 31
#define PF_BLUETOOTH AF_BLUETOOTH
#endif
#define BLUETOOTH_VER_1_1 1
#define BLUETOOTH_VER_1_2 2
#define BLUETOOTH_VER_2_0 3
#define BT_SKB_RESERVE 8
#define BTPROTO_L2CAP 0
#define BTPROTO_HCI 1
#define BTPROTO_SCO 2
#define BTPROTO_RFCOMM 3
#define BTPROTO_BNEP 4
#define BTPROTO_CMTP 5
#define BTPROTO_HIDP 6
#define BTPROTO_AVDTP 7
#define SOL_HCI 0
#define SOL_L2CAP 6
#define SOL_SCO 17
#define SOL_RFCOMM 18
#define BT_SECURITY 4
struct bt_security {
__u8 level;
__u8 key_size;
};
#define BT_SECURITY_SDP 0
#define BT_SECURITY_LOW 1
#define BT_SECURITY_MEDIUM 2
#define BT_SECURITY_HIGH 3
#define BT_SECURITY_FIPS 4
#define BT_DEFER_SETUP 7
#define BT_FLUSHABLE 8
#define BT_FLUSHABLE_OFF 0
#define BT_FLUSHABLE_ON 1
#define BT_POWER 9
struct bt_power {
__u8 force_active;
};
#define BT_POWER_FORCE_ACTIVE_OFF 0
#define BT_POWER_FORCE_ACTIVE_ON 1
#define BT_CHANNEL_POLICY 10
#define BT_CHANNEL_POLICY_BREDR_ONLY 0
#define BT_CHANNEL_POLICY_BREDR_PREFERRED 1
#define BT_CHANNEL_POLICY_AMP_PREFERRED 2
#define BT_VOICE 11
struct bt_voice {
__u16 setting;
};
#define BT_VOICE_TRANSPARENT 0x0003
#define BT_VOICE_CVSD_16BIT 0x0060
#define BT_SNDMTU 12
#define BT_RCVMTU 13
__printf(1, 2)
void bt_info(const char *fmt, ...);
__printf(1, 2)
void bt_err(const char *fmt, ...);
#define BT_INFO(fmt, ...) bt_info(fmt "\n", ##__VA_ARGS__)
#define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__)
#define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__)
enum {
BT_CONNECTED = 1,
BT_OPEN,
BT_BOUND,
BT_LISTEN,
BT_CONNECT,
BT_CONNECT2,
BT_CONFIG,
BT_DISCONN,
BT_CLOSED
};
static inline const char *state_to_string(int state)
{
switch (state) {
case BT_CONNECTED:
return "BT_CONNECTED";
case BT_OPEN:
return "BT_OPEN";
case BT_BOUND:
return "BT_BOUND";
case BT_LISTEN:
return "BT_LISTEN";
case BT_CONNECT:
return "BT_CONNECT";
case BT_CONNECT2:
return "BT_CONNECT2";
case BT_CONFIG:
return "BT_CONFIG";
case BT_DISCONN:
return "BT_DISCONN";
case BT_CLOSED:
return "BT_CLOSED";
}
return "invalid state";
}
typedef struct {
__u8 b[6];
} __packed bdaddr_t;
#define BDADDR_BREDR 0x00
#define BDADDR_LE_PUBLIC 0x01
#define BDADDR_LE_RANDOM 0x02
static inline bool bdaddr_type_is_valid(__u8 type)
{
switch (type) {
case BDADDR_BREDR:
case BDADDR_LE_PUBLIC:
case BDADDR_LE_RANDOM:
return true;
}
return false;
}
static inline bool bdaddr_type_is_le(__u8 type)
{
switch (type) {
case BDADDR_LE_PUBLIC:
case BDADDR_LE_RANDOM:
return true;
}
return false;
}
#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}})
#define BDADDR_NONE (&(bdaddr_t) {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}})
static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2)
{
return memcmp(ba1, ba2, sizeof(bdaddr_t));
}
static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src)
{
memcpy(dst, src, sizeof(bdaddr_t));
}
void baswap(bdaddr_t *dst, bdaddr_t *src);
#define bt_sk(__sk) ((struct bt_sock *) __sk)
struct bt_sock {
struct sock sk;
struct list_head accept_q;
struct sock *parent;
unsigned long flags;
void (*skb_msg_name)(struct sk_buff *, void *, int *);
};
enum {
BT_SK_DEFER_SETUP,
BT_SK_SUSPEND,
};
struct bt_sock_list {
struct hlist_head head;
rwlock_t lock;
#ifdef CONFIG_PROC_FS
int (* custom_seq_show)(struct seq_file *, void *);
#endif
};
int bt_sock_register(int proto, const struct net_proto_family *ops);
void bt_sock_unregister(int proto);
void bt_sock_link(struct bt_sock_list *l, struct sock *s);
void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len, int flags);
int bt_sock_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len, int flags);
uint bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
int bt_sock_wait_ready(struct sock *sk, unsigned long flags);
void bt_accept_enqueue(struct sock *parent, struct sock *sk);
void bt_accept_unlink(struct sock *sk);
struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
struct l2cap_ctrl {
__u8 sframe:1,
poll:1,
final:1,
fcs:1,
sar:2,
super:2;
__u16 reqseq;
__u16 txseq;
__u8 retries;
};
struct hci_dev;
typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status);
struct hci_req_ctrl {
bool start;
u8 event;
hci_req_complete_t complete;
};
struct bt_skb_cb {
__u8 pkt_type;
__u8 incoming;
__u16 opcode;
__u16 expect;
__u8 force_active;
struct l2cap_chan *chan;
struct l2cap_ctrl control;
struct hci_req_ctrl req;
bdaddr_t bdaddr;
__le16 psm;
};
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
{
struct sk_buff *skb;
skb = alloc_skb(len + BT_SKB_RESERVE, how);
if (skb) {
skb_reserve(skb, BT_SKB_RESERVE);
bt_cb(skb)->incoming = 0;
}
return skb;
}
static inline struct sk_buff *bt_skb_send_alloc(struct sock *sk,
unsigned long len, int nb, int *err)
{
struct sk_buff *skb;
skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err);
if (skb) {
skb_reserve(skb, BT_SKB_RESERVE);
bt_cb(skb)->incoming = 0;
}
if (!skb && *err)
return NULL;
*err = sock_error(sk);
if (*err)
goto out;
if (sk->sk_shutdown) {
*err = -ECONNRESET;
goto out;
}
return skb;
out:
kfree_skb(skb);
return NULL;
}
int bt_to_errno(__u16 code);
int hci_sock_init(void);
void hci_sock_cleanup(void);
int bt_sysfs_init(void);
void bt_sysfs_cleanup(void);
int bt_procfs_init(struct net *net, const char *name,
struct bt_sock_list *sk_list,
int (*seq_show)(struct seq_file *, void *));
void bt_procfs_cleanup(struct net *net, const char *name);
extern struct dentry *bt_debugfs;
int l2cap_init(void);
void l2cap_exit(void);
int sco_init(void);
void sco_exit(void);
void bt_sock_reclassify_lock(struct sock *sk, int proto);
#endif