bluez.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:3k
- /*
- 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.
- */
- /*
- * $Id: bluez.h,v 1.4 2001/08/03 04:19:49 maxk Exp $
- */
- #ifndef __IF_BLUEZ_H
- #define __IF_BLUEZ_H
- #include <net/sock.h>
- #define BLUEZ_MAX_PROTO 2
- /* Reserv for core and drivers use */
- #define BLUEZ_SKB_RESERVE 8
- #ifndef MIN
- #define MIN(a,b) ((a) < (b) ? (a) : (b))
- #endif
- /* Debugging */
- #ifdef BLUEZ_DEBUG
- #define HCI_CORE_DEBUG 1
- #define HCI_SOCK_DEBUG 1
- #define HCI_UART_DEBUG 1
- #define HCI_USB_DEBUG 1
- //#define HCI_DATA_DUMP 1
- #define L2CAP_DEBUG 1
- #endif /* BLUEZ_DEBUG */
- extern void bluez_dump(char *pref, __u8 *buf, int count);
- #define INF(fmt, arg...) printk(KERN_INFO fmt "n" , ## arg)
- #define DBG(fmt, arg...) printk(KERN_INFO __FUNCTION__ ": " fmt "n" , ## arg)
- #define ERR(fmt, arg...) printk(KERN_ERR __FUNCTION__ ": " fmt "n" , ## arg)
- #ifdef HCI_DATA_DUMP
- #define DMP(buf, len) bluez_dump(__FUNCTION__, buf, len)
- #else
- #define DMP(D...)
- #endif
- /* ----- Sockets ------ */
- struct bluez_sock_list {
- struct sock *head;
- rwlock_t lock;
- };
- extern int bluez_sock_register(int proto, struct net_proto_family *ops);
- extern int bluez_sock_unregister(int proto);
- extern void bluez_sock_link(struct bluez_sock_list *l, struct sock *s);
- extern void bluez_sock_unlink(struct bluez_sock_list *l, struct sock *s);
- /* ----- SKB helpers ----- */
- struct bluez_skb_cb {
- int incomming;
- };
- #define bluez_cb(skb) ((struct bluez_skb_cb *)(skb->cb))
- static inline struct sk_buff *bluez_skb_alloc(unsigned int len, int how)
- {
- struct sk_buff *skb;
- if ((skb = alloc_skb(len + BLUEZ_SKB_RESERVE, how))) {
- skb_reserve(skb, BLUEZ_SKB_RESERVE);
- bluez_cb(skb)->incomming = 0;
- }
- return skb;
- }
- static inline struct sk_buff *bluez_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 + BLUEZ_SKB_RESERVE, nb, err))) {
- skb_reserve(skb, BLUEZ_SKB_RESERVE);
- bluez_cb(skb)->incomming = 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;
- }
- extern int hci_core_init(void);
- extern int hci_core_cleanup(void);
- extern int hci_sock_init(void);
- extern int hci_sock_cleanup(void);
- #endif /* __IF_BLUEZ_H */