patch-2.4.6 linux/net/bluetooth/af_bluetooth.c

• Lines: 165
• Date: Mon Jun 11 19:15:27 2001
• Orig file: v2.4.5/linux/net/bluetooth/af_bluetooth.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.5/linux/net/bluetooth/af_bluetooth.c linux/net/bluetooth/af_bluetooth.c
@@ -0,0 +1,164 @@
+/* 
+   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.
+*/
+
+/*
+ * BlueZ Bluetooth address family and sockets.
+ *
+ * $Id: af_bluetooth.c,v 1.1 2001/06/01 08:12:11 davem Exp $
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/sched.h>
+#include <linux/malloc.h>
+#include <linux/skbuff.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <net/sock.h>
+
+#if defined(CONFIG_KMOD)
+#include <linux/kmod.h>
+#endif
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/bluez.h>
+
+/* Bluetooth sockets */
+static struct net_proto_family *bluez_sock[BLUEZ_MAX_PROTO];
+
+int bluez_sock_register(int proto, struct net_proto_family *ops)
+{
+	if (proto > BLUEZ_MAX_PROTO)
+		return -EINVAL;
+
+	if (bluez_sock[proto])
+		return -EEXIST;
+
+	bluez_sock[proto] = ops;
+	return 0;
+}
+
+int bluez_sock_unregister(int proto)
+{
+	if (proto > BLUEZ_MAX_PROTO)
+		return -EINVAL;
+
+	if (!bluez_sock[proto])
+		return -ENOENT;
+
+	bluez_sock[proto] = NULL;
+	return 0;
+}
+
+static int bluez_sock_create(struct socket *sock, int proto)
+{
+	if (proto > BLUEZ_MAX_PROTO)
+		return -EINVAL;
+
+#if defined(CONFIG_KMOD)
+	if (!bluez_sock[proto]) {
+		char module_name[30];
+		sprintf(module_name, "bt-proto-%d", proto);
+		request_module(module_name);
+	}
+#endif
+
+	if (!bluez_sock[proto])
+		return -ENOENT;
+
+	return bluez_sock[proto]->create(sock, proto);
+}
+
+void bluez_sock_link(struct bluez_sock_list *l, struct sock *sk)
+{
+	write_lock(&l->lock);
+
+	sk->next = l->head;
+	l->head = sk;
+	sock_hold(sk);
+
+	write_unlock(&l->lock);
+}
+
+void bluez_sock_unlink(struct bluez_sock_list *l, struct sock *sk)
+{
+	struct sock **skp;
+
+	write_lock(&l->lock);
+	for (skp = &l->head; *skp; skp = &((*skp)->next)) {
+		if (*skp == sk) {
+			*skp = sk->next;
+			__sock_put(sk);
+			break;
+		}
+	}
+	write_unlock(&l->lock);
+}
+
+struct net_proto_family bluez_sock_family_ops =
+{
+	PF_BLUETOOTH, bluez_sock_create
+};
+
+int bluez_init(void)
+{
+	INF("BlueZ HCI Core ver %s Copyright (C) 2000,2001 Qualcomm Inc",
+		 BLUEZ_VER);
+	INF("Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>");
+
+	proc_mkdir("bluetooth", NULL);
+
+	sock_register(&bluez_sock_family_ops);
+
+	/* Init HCI Core */
+	hci_core_init();
+
+	/* Init sockets */
+	hci_sock_init();
+
+	return 0;
+}
+
+void bluez_cleanup(void)
+{
+	/* Release socket */
+	hci_sock_cleanup();
+
+	/* Release core */
+	hci_core_cleanup();
+
+	sock_unregister(PF_BLUETOOTH);
+
+	remove_proc_entry("bluetooth", NULL);
+}
+
+#ifdef MODULE
+module_init(bluez_init);
+module_exit(bluez_cleanup);
+#endif