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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.
*/
/*
* $Id: l2cap_core.h,v 1.6 2001/08/03 04:19:49 maxk Exp $
*/
#ifndef __L2CAP_CORE_H
#define __L2CAP_CORE_H
#ifdef __KERNEL__
/* ----- L2CAP interface ----- */
struct l2cap_iff {
struct list_head list;
struct hci_dev *hdev;
bdaddr_t *bdaddr;
__u16 mtu;
spinlock_t lock;
struct list_head conn_list;
};
static inline void l2cap_iff_lock(struct l2cap_iff *iff)
{
spin_lock(&iff->lock);
}
static inline void l2cap_iff_unlock(struct l2cap_iff *iff)
{
spin_unlock(&iff->lock);
}
/* ----- L2CAP connections ----- */
struct l2cap_chan_list {
struct sock *head;
rwlock_t lock;
long num;
};
struct l2cap_conn {
struct l2cap_iff *iff;
struct list_head list;
struct hci_conn *hconn;
__u16 state;
__u8 out;
bdaddr_t src;
bdaddr_t dst;
spinlock_t lock;
atomic_t refcnt;
struct sk_buff *rx_skb;
__u32 rx_len;
__u8 rx_ident;
__u8 tx_ident;
struct l2cap_chan_list chan_list;
struct timer_list timer;
};
static inline void __l2cap_conn_link(struct l2cap_iff *iff, struct l2cap_conn *c)
{
list_add(&c->list, &iff->conn_list);
}
static inline void __l2cap_conn_unlink(struct l2cap_iff *iff, struct l2cap_conn *c)
{
list_del(&c->list);
}
/* ----- L2CAP channel and socket info ----- */
#define l2cap_pi(sk) ((struct l2cap_pinfo *) &sk->protinfo)
struct l2cap_accept_q {
struct sock *head;
struct sock *tail;
};
struct l2cap_pinfo {
bdaddr_t src;
bdaddr_t dst;
__u16 psm;
__u16 dcid;
__u16 scid;
__u32 flags;
__u16 imtu;
__u16 omtu;
__u16 flush_to;
__u8 conf_state;
__u16 conf_mtu;
__u8 ident;
struct l2cap_conn *conn;
struct sock *next_c;
struct sock *prev_c;
struct sock *parent;
struct sock *next_q;
struct sock *prev_q;
struct l2cap_accept_q accept_q;
};
#define CONF_REQ_SENT 0x01
#define CONF_INPUT_DONE 0x02
#define CONF_OUTPUT_DONE 0x04
extern struct bluez_sock_list l2cap_sk_list;
extern struct list_head l2cap_iff_list;
extern rwlock_t l2cap_rt_lock;
extern void l2cap_register_proc(void);
extern void l2cap_unregister_proc(void);
#endif /* __KERNEL__ */
#endif /* __L2CAP_CORE_H */
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