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/*
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 L2CAP proc fs support.
*
* $Id: l2cap_proc.c,v 1.2 2001/06/02 01:40:09 maxk 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/slab.h>
#include <linux/poll.h>
#include <linux/fcntl.h>
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/interrupt.h>
#include <linux/socket.h>
#include <linux/skbuff.h>
#include <linux/proc_fs.h>
#include <linux/list.h>
#include <net/sock.h>
#include <asm/system.h>
#include <asm/uaccess.h>
#include <net/bluetooth/bluez.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/l2cap_core.h>
#ifndef L2CAP_DEBUG
#undef DBG
#define DBG( A... )
#endif
/* ----- PROC fs support ----- */
static int l2cap_conn_dump(char *buf, struct l2cap_iff *iff)
{
struct list_head *p;
char *ptr = buf;
list_for_each(p, &iff->conn_list) {
struct l2cap_conn *c;
c = list_entry(p, struct l2cap_conn, list);
ptr += sprintf(ptr, " %p %d %p %p %s %s\n",
c, c->state, c->iff, c->hconn, batostr(&c->src), batostr(&c->dst));
}
return ptr - buf;
}
static int l2cap_iff_dump(char *buf)
{
struct list_head *p;
char *ptr = buf;
ptr += sprintf(ptr, "Interfaces:\n");
write_lock(&l2cap_rt_lock);
list_for_each(p, &l2cap_iff_list) {
struct l2cap_iff *iff;
iff = list_entry(p, struct l2cap_iff, list);
ptr += sprintf(ptr, " %s %p %p\n", iff->hdev->name, iff, iff->hdev);
l2cap_iff_lock(iff);
ptr += l2cap_conn_dump(ptr, iff);
l2cap_iff_unlock(iff);
}
write_unlock(&l2cap_rt_lock);
ptr += sprintf(ptr, "\n");
return ptr - buf;
}
static int l2cap_sock_dump(char *buf, struct bluez_sock_list *list)
{
struct l2cap_pinfo *pi;
struct sock *sk;
char *ptr = buf;
ptr += sprintf(ptr, "Sockets:\n");
write_lock(&list->lock);
for (sk = list->head; sk; sk = sk->next) {
pi = l2cap_pi(sk);
ptr += sprintf(ptr, " %p %d %p %d %s %s 0x%4.4x 0x%4.4x %d %d\n", sk, sk->state, pi->conn, pi->psm,
batostr(&pi->src), batostr(&pi->dst), pi->scid, pi->dcid, pi->imtu, pi->omtu );
}
write_unlock(&list->lock);
ptr += sprintf(ptr, "\n");
return ptr - buf;
}
static int l2cap_read_proc(char *buf, char **start, off_t offset, int count, int *eof, void *priv)
{
char *ptr = buf;
int len;
DBG("count %d, offset %ld", count, offset);
ptr += l2cap_iff_dump(ptr);
ptr += l2cap_sock_dump(ptr, &l2cap_sk_list);
len = ptr - buf;
if (len <= count + offset)
*eof = 1;
*start = buf + offset;
len -= offset;
if (len > count)
len = count;
if (len < 0)
len = 0;
return len;
}
void l2cap_register_proc(void)
{
create_proc_read_entry("bluetooth/l2cap", 0, 0, l2cap_read_proc, NULL);
}
void l2cap_unregister_proc(void)
{
remove_proc_entry("bluetooth/l2cap", NULL);
}
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