patch-2.4.6 linux/include/net/bluetooth/bluez.h

• Lines: 177
• Date: Mon Jun 11 19:15:27 2001
• Orig file: v2.4.5/linux/include/net/bluetooth/bluez.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.5/linux/include/net/bluetooth/bluez.h linux/include/net/bluetooth/bluez.h
@@ -0,0 +1,176 @@
+/* 
+   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 1.1 2001/06/01 08:12:11 davem Exp $
+ */
+
+#ifndef __IF_BLUEZ_H
+#define __IF_BLUEZ_H
+
+#include <net/sock.h>
+
+#define BLUEZ_VER "1.0"
+
+#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, fragmented;
+	struct sk_buff_head frags;
+};
+#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))) {
+		bluez_cb(skb)->incomming  = 0;
+		bluez_cb(skb)->fragmented = 0;
+		skb_reserve(skb, BLUEZ_SKB_RESERVE);
+	}
+	return skb;
+}
+
+static __inline__ struct sk_buff *bluez_skb_clone(struct sk_buff *skb, int how)
+{
+	struct sk_buff *new;
+
+	if ((new = skb_clone(skb, how)))
+		bluez_cb(new)->fragmented = 0;
+	return new;
+}
+
+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))) {
+		bluez_cb(skb)->incomming  = 0;
+		bluez_cb(skb)->fragmented = 0;
+		skb_reserve(skb, BLUEZ_SKB_RESERVE);
+	}
+
+	return skb;
+}
+
+static __inline__ int bluez_skb_frags(struct sk_buff *skb)
+{
+	if (bluez_cb(skb)->fragmented)
+		return skb_queue_len(&bluez_cb(skb)->frags);
+	return 0;
+}
+
+static __inline__ void bluez_skb_add_frag(struct sk_buff *skb, struct sk_buff *frag)
+{
+	if (!bluez_cb(skb)->fragmented) {
+		skb_queue_head_init(&bluez_cb(skb)->frags);
+		bluez_cb(skb)->fragmented = 1;
+	}
+	__skb_queue_tail(&bluez_cb(skb)->frags, frag);
+}
+
+static __inline__ struct sk_buff *bluez_skb_next_frag(struct sk_buff *skb)
+{
+	if (bluez_cb(skb)->fragmented)
+		return skb_peek(&bluez_cb(skb)->frags);
+	if (skb->next == (void *) skb->list)
+		return NULL;
+	return skb->next;
+}
+
+static __inline__ struct sk_buff *bluez_skb_get_frag(struct sk_buff *skb)
+{
+	if (bluez_cb(skb)->fragmented)
+		return __skb_dequeue(&bluez_cb(skb)->frags);
+	return NULL;
+}
+
+static __inline__ void bluez_skb_free(struct sk_buff *skb)
+{
+	if (bluez_cb(skb)->fragmented)
+		__skb_queue_purge(&bluez_cb(skb)->frags);
+	kfree_skb(skb);
+}
+
+static __inline__ void bluez_skb_queue_purge(struct sk_buff_head *q)
+{
+	struct sk_buff *skb;
+
+	while((skb = skb_dequeue(q)))
+		bluez_skb_free(skb);
+}
+
+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 */