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- /*-
- * 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
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