/*-
* Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
* All rights reserved.
*
* Modified for gPXE, July 2009, by Joshua Oreman <oremanj@rwcr.net>
* Original from Linux kernel 2.6.30.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*
*/
/*
* Defintions for the Atheros Wireless LAN controller driver.
*/
#ifndef _DEV_ATH_ATHVAR_H
#define _DEV_ATH_ATHVAR_H
FILE_LICENCE ( BSD3 );
#include "ath5k.h"
#include <gpxe/iobuf.h>
#define ATH_RXBUF 16 /* number of RX buffers */
#define ATH_TXBUF 16 /* number of TX buffers */
struct ath5k_buf {
struct list_head list;
unsigned int flags; /* rx descriptor flags */
struct ath5k_desc *desc; /* virtual addr of desc */
u32 daddr; /* physical addr of desc */
struct io_buffer *iob; /* I/O buffer for buf */
u32 iobaddr;/* physical addr of iob data */
};
/*
* Data transmit queue state. One of these exists for each
* hardware transmit queue. Packets sent to us from above
* are assigned to queues based on their priority. Not all
* devices support a complete set of hardware transmit queues.
* For those devices the array sc_ac2q will map multiple
* priorities to fewer hardware queues (typically all to one
* hardware queue).
*/
struct ath5k_txq {
unsigned int qnum; /* hardware q number */
u32 *link; /* link ptr in last TX desc */
struct list_head q; /* transmit queue */
int setup;
};
#if CHAN_DEBUG
#define ATH_CHAN_MAX (26+26+26+200+200)
#else
#define ATH_CHAN_MAX (14+14+14+252+20)
#endif
/* Software Carrier, keeps track of the driver state
* associated with an instance of a device */
struct ath5k_softc {
struct pci_device *pdev; /* for dma mapping */
void *iobase; /* address of the device */
struct net80211_device *dev; /* IEEE 802.11 common */
struct ath5k_hw *ah; /* Atheros HW */
struct net80211_hw_info *hwinfo;
int curband;
int irq_ena; /* interrupts enabled */
struct ath5k_buf *bufptr; /* allocated buffer ptr */
struct ath5k_desc *desc; /* TX/RX descriptors */
u32 desc_daddr; /* DMA (physical) address */
size_t desc_len; /* size of TX/RX descriptors */
u16 cachelsz; /* cache line size */
int status;
#define ATH_STAT_INVALID 0x01 /* disable hardware accesses */
#define ATH_STAT_MRRETRY 0x02 /* multi-rate retry support */
#define ATH_STAT_PROMISC 0x04
#define ATH_STAT_LEDSOFT 0x08 /* enable LED gpio status */
#define ATH_STAT_STARTED 0x10 /* opened & irqs enabled */
unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */
unsigned int curmode; /* current phy mode */
struct net80211_channel *curchan; /* current h/w channel */
enum ath5k_int imask; /* interrupt mask copy */
u8 bssidmask[ETH_ALEN];
unsigned int rxbufsize; /* rx size based on mtu */
struct list_head rxbuf; /* receive buffer */
u32 *rxlink; /* link ptr in last RX desc */
struct list_head txbuf; /* transmit buffer */
unsigned int txbuf_len; /* buf count in txbuf list */
struct ath5k_txq txq; /* tx queue */
struct {
u16 gpio;
unsigned polarity;
} rf_kill;
int last_calib_ticks;
int power_level; /* Requested tx power in dbm */
int assoc; /* assocate state */
int hw_rate; /* Hardware tx rate code */
int hw_rtscts_rate; /* Hardware rts/cts rate code */
};
#define ath5k_hw_hasbssidmask(_ah) \
(ath5k_hw_get_capability(_ah, AR5K_CAP_BSSIDMASK, 0, NULL) == 0)
#define ath5k_hw_hasveol(_ah) \
(ath5k_hw_get_capability(_ah, AR5K_CAP_VEOL, 0, NULL) == 0)
#endif
