Commit 9740e49d authored by Andrei Emeltchenko's avatar Andrei Emeltchenko Committed by Johan Hedberg
Browse files

Bluetooth: A2MP: AMP Manager basic functions 



Define AMP Manager and some basic functions.

Signed-off-by: default avatarAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: default avatarGustavo Padovan <gustavo.padovan@collabora.co.uk>
parent 466f8004

include/net/bluetooth/a2mp.h

0 → 100644
+30 −0
Original line number Diff line number Diff line 
/*

   Copyright (c) 2010,2011 Code Aurora Forum.  All rights reserved.

   Copyright (c) 2011,2012 Intel Corp.



   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License version 2 and

   only version 2 as published by the Free Software Foundation.



   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

*/



#ifndef __A2MP_H

#define __A2MP_H



struct amp_mgr {

	struct l2cap_conn	*l2cap_conn;

	struct l2cap_chan	*a2mp_chan;

	struct kref		kref;

	__u8			ident;

	__u8			handle;

	unsigned long		flags;

};



void amp_mgr_get(struct amp_mgr *mgr);

int amp_mgr_put(struct amp_mgr *mgr);



#endif /* __A2MP_H */

include/net/bluetooth/hci_core.h

+1 −0
Original line number Diff line number Diff line
@@ -332,6 +332,7 @@ struct hci_conn { 
	void		*l2cap_data;

	void		*sco_data;

	void		*smp_conn;

	struct amp_mgr	*amp_mgr;



	struct hci_conn	*link;

net/bluetooth/a2mp.c

+54 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <net/bluetooth/bluetooth.h>

#include <net/bluetooth/hci_core.h>

#include <net/bluetooth/l2cap.h>

#include <net/bluetooth/a2mp.h>



static struct l2cap_ops a2mp_chan_ops = {

	.name = "L2CAP A2MP channel",
@@ -67,3 +68,56 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn) 


	return chan;

}



/* AMP Manager functions */

void amp_mgr_get(struct amp_mgr *mgr)

{

	BT_DBG("mgr %p", mgr);



	kref_get(&mgr->kref);

}



static void amp_mgr_destroy(struct kref *kref)

{

	struct amp_mgr *mgr = container_of(kref, struct amp_mgr, kref);



	BT_DBG("mgr %p", mgr);



	kfree(mgr);

}



int amp_mgr_put(struct amp_mgr *mgr)

{

	BT_DBG("mgr %p", mgr);



	return kref_put(&mgr->kref, &amp_mgr_destroy);

}



static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn)

{

	struct amp_mgr *mgr;

	struct l2cap_chan *chan;



	mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);

	if (!mgr)

		return NULL;



	BT_DBG("conn %p mgr %p", conn, mgr);



	mgr->l2cap_conn = conn;



	chan = a2mp_chan_open(conn);

	if (!chan) {

		kfree(mgr);

		return NULL;

	}



	mgr->a2mp_chan = chan;

	chan->data = mgr;



	conn->hcon->amp_mgr = mgr;



	kref_init(&mgr->kref);



	return mgr;

}

net/bluetooth/hci_conn.c

+4 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 


#include <net/bluetooth/bluetooth.h>

#include <net/bluetooth/hci_core.h>

#include <net/bluetooth/a2mp.h>



static void hci_le_connect(struct hci_conn *conn)

{
@@ -411,6 +412,9 @@ int hci_conn_del(struct hci_conn *conn) 


	hci_chan_list_flush(conn);



	if (conn->amp_mgr)

		amp_mgr_put(conn->amp_mgr);



	hci_conn_hash_del(hdev, conn);

	if (hdev->notify)

		hdev->notify(hdev, HCI_NOTIFY_CONN_DEL);