/*
Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the
Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
Module: rt2x00lib
Abstract: rt2x00 generic device routines.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include "rt2x00.h"
#include "rt2x00lib.h"
#include "rt2x00dump.h"
/*
* Ring handler.
*/
struct data_ring *rt2x00lib_get_ring(struct rt2x00_dev *rt2x00dev,
const unsigned int queue)
{
int beacon = test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags);
/*
* Check if we are requesting a reqular TX ring,
* or if we are requesting a Beacon or Atim ring.
* For Atim rings, we should check if it is supported.
*/
if (queue < rt2x00dev->hw->queues && rt2x00dev->tx)
return &rt2x00dev->tx[queue];
if (!rt2x00dev->bcn || !beacon)
return NULL;
