diff options
Diffstat (limited to 'include/net/bluetooth/bluetooth.h')
| -rw-r--r-- | include/net/bluetooth/bluetooth.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h new file mode 100644 index 00000000000..42a84c53678 --- /dev/null +++ b/include/net/bluetooth/bluetooth.h @@ -0,0 +1,181 @@ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (C) 2000-2001 Qualcomm Incorporated + + Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY + CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, + COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS + SOFTWARE IS DISCLAIMED. +*/ + +#ifndef __BLUETOOTH_H +#define __BLUETOOTH_H + +#include <asm/types.h> +#include <asm/byteorder.h> +#include <linux/list.h> +#include <linux/poll.h> +#include <net/sock.h> + +#ifndef AF_BLUETOOTH +#define AF_BLUETOOTH 31 +#define PF_BLUETOOTH AF_BLUETOOTH +#endif + +/* Reserv for core and drivers use */ +#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_INFO(fmt, arg...) printk(KERN_INFO "Bluetooth: " fmt "\n" , ## arg) +#define BT_DBG(fmt, arg...) printk(KERN_INFO "%s: " fmt "\n" , __FUNCTION__ , ## arg) +#define BT_ERR(fmt, arg...) printk(KERN_ERR "%s: " fmt "\n" , __FUNCTION__ , ## arg) + +#ifdef HCI_DATA_DUMP +#define BT_DMP(buf, len) bt_dump(__FUNCTION__, buf, len) +#else +#define BT_DMP(D...) +#endif + +extern struct proc_dir_entry *proc_bt; + +/* Connection and socket states */ +enum { + BT_CONNECTED = 1, /* Equal to TCP_ESTABLISHED to make net code happy */ + BT_OPEN, + BT_BOUND, + BT_LISTEN, + BT_CONNECT, + BT_CONNECT2, + BT_CONFIG, + BT_DISCONN, + BT_CLOSED +}; + +/* Endianness conversions */ +#define htobs(a) __cpu_to_le16(a) +#define htobl(a) __cpu_to_le32(a) +#define btohs(a) __le16_to_cpu(a) +#define btohl(a) __le32_to_cpu(a) + +/* BD Address */ +typedef struct { + __u8 b[6]; +} __attribute__((packed)) bdaddr_t; + +#define BDADDR_ANY (&(bdaddr_t) {{0, 0, 0, 0, 0, 0}}) +#define BDADDR_LOCAL (&(bdaddr_t) {{0, 0, 0, 0xff, 0xff, 0xff}}) + +/* Copy, swap, convert BD Address */ +static inline int bacmp(bdaddr_t *ba1, bdaddr_t *ba2) +{ + return memcmp(ba1, ba2, sizeof(bdaddr_t)); +} +static inline void bacpy(bdaddr_t *dst, bdaddr_t *src) +{ + memcpy(dst, src, sizeof(bdaddr_t)); +} + +void baswap(bdaddr_t *dst, bdaddr_t *src); +char *batostr(bdaddr_t *ba); +bdaddr_t *strtoba(char *str); + +/* Common socket structures and functions */ + +#define bt_sk(__sk) ((struct bt_sock *) __sk) + +struct bt_sock { + struct sock sk; + bdaddr_t src; + bdaddr_t dst; + struct list_head accept_q; + struct sock *parent; +}; + +struct bt_sock_list { + struct hlist_head head; + rwlock_t lock; +}; + +int bt_sock_register(int proto, struct net_proto_family *ops); +int 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); +uint bt_sock_poll(struct file * file, struct socket *sock, poll_table *wait); +int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo); + +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); + +/* Skb helpers */ +struct bt_skb_cb { + int incoming; +}; +#define bt_cb(skb) ((struct bt_skb_cb *)(skb->cb)) + +static inline struct sk_buff *bt_skb_alloc(unsigned int len, int how) +{ + struct sk_buff *skb; + + if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) { + 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; + + if ((skb = sock_alloc_send_skb(sk, len + BT_SKB_RESERVE, nb, err))) { + skb_reserve(skb, BT_SKB_RESERVE); + bt_cb(skb)->incoming = 0; + } + + return skb; +} + +static inline int skb_frags_no(struct sk_buff *skb) +{ + register struct sk_buff *frag = skb_shinfo(skb)->frag_list; + register int n = 1; + + for (; frag; frag=frag->next, n++); + return n; +} + +void bt_dump(char *pref, __u8 *buf, int count); + +int bt_err(__u16 code); + +#endif /* __BLUETOOTH_H */ |