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Diffstat (limited to 'drivers/net/wireless/ath5k/base.h')
| -rw-r--r-- | drivers/net/wireless/ath5k/base.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath5k/base.h b/drivers/net/wireless/ath5k/base.h new file mode 100644 index 00000000000..8287ae787f1 --- /dev/null +++ b/drivers/net/wireless/ath5k/base.h @@ -0,0 +1,179 @@ +/*- + * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting + * All rights reserved. + * + * 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 + +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/wireless.h> +#include <linux/if_ether.h> + +#include "ath5k.h" +#include "debug.h" + +#define ATH_RXBUF 40 /* number of RX buffers */ +#define ATH_TXBUF 200 /* number of TX buffers */ +#define ATH_BCBUF 1 /* number of beacon buffers */ + +struct ath5k_buf { + struct list_head list; + unsigned int flags; /* tx descriptor flags */ + struct ath5k_desc *desc; /* virtual addr of desc */ + dma_addr_t daddr; /* physical addr of desc */ + struct sk_buff *skb; /* skbuff for buf */ + dma_addr_t skbaddr;/* physical addr of skb data */ + struct ieee80211_tx_control ctl; +}; + +/* + * 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 */ + spinlock_t lock; /* lock on q and link */ + bool setup; +}; + +#if CHAN_DEBUG +#define ATH_CHAN_MAX (26+26+26+200+200) +#else +#define ATH_CHAN_MAX (14+14+14+252+20) /* XXX what's the max? */ +#endif + +/* Software Carrier, keeps track of the driver state + * associated with an instance of a device */ +struct ath5k_softc { + struct pci_dev *pdev; /* for dma mapping */ + void __iomem *iobase; /* address of the device */ + struct mutex lock; /* dev-level lock */ + struct ieee80211_tx_queue_stats tx_stats; + struct ieee80211_low_level_stats ll_stats; + struct ieee80211_hw *hw; /* IEEE 802.11 common */ + struct ieee80211_hw_mode modes[NUM_DRIVER_MODES]; + struct ieee80211_channel channels[ATH_CHAN_MAX]; + struct ieee80211_rate rates[AR5K_MAX_RATES * NUM_DRIVER_MODES]; + enum ieee80211_if_types opmode; + struct ath5k_hw *ah; /* Atheros HW */ + +#if ATH5K_DEBUG + struct ath5k_dbg_info debug; /* debug info */ +#endif + + struct ath5k_buf *bufptr; /* allocated buffer ptr */ + struct ath5k_desc *desc; /* TX/RX descriptors */ + dma_addr_t desc_daddr; /* DMA (physical) address */ + size_t desc_len; /* size of TX/RX descriptors */ + u16 cachelsz; /* cache line size */ + + DECLARE_BITMAP(status, 6); +#define ATH_STAT_INVALID 0 /* disable hardware accesses */ +#define ATH_STAT_MRRETRY 1 /* multi-rate retry support */ +#define ATH_STAT_PROMISC 2 +#define ATH_STAT_LEDBLINKING 3 /* LED blink operation active */ +#define ATH_STAT_LEDENDBLINK 4 /* finish LED blink operation */ +#define ATH_STAT_LEDSOFT 5 /* enable LED gpio status */ + + unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */ + unsigned int curmode; /* current phy mode */ + struct ieee80211_channel *curchan; /* current h/w channel */ + + struct ieee80211_vif *vif; + + struct { + u8 rxflags; /* radiotap rx flags */ + u8 txflags; /* radiotap tx flags */ + u16 ledon; /* softled on time */ + u16 ledoff; /* softled off time */ + } hwmap[32]; /* h/w rate ix mappings */ + + enum ath5k_int imask; /* interrupt mask copy */ + + DECLARE_BITMAP(keymap, AR5K_KEYCACHE_SIZE); /* key use bit map */ + + u8 bssidmask[ETH_ALEN]; + + unsigned int led_pin, /* GPIO pin for driving LED */ + led_on, /* pin setting for LED on */ + led_off; /* off time for current blink */ + struct timer_list led_tim; /* led off timer */ + u8 led_rxrate; /* current rx rate for LED */ + u8 led_txrate; /* current tx rate for LED */ + + struct tasklet_struct restq; /* reset tasklet */ + + unsigned int rxbufsize; /* rx size based on mtu */ + struct list_head rxbuf; /* receive buffer */ + spinlock_t rxbuflock; + u32 *rxlink; /* link ptr in last RX desc */ + struct tasklet_struct rxtq; /* rx intr tasklet */ + + struct list_head txbuf; /* transmit buffer */ + spinlock_t txbuflock; + unsigned int txbuf_len; /* buf count in txbuf list */ + struct ath5k_txq txqs[2]; /* beacon and tx */ + + struct ath5k_txq *txq; /* beacon and tx*/ + struct tasklet_struct txtq; /* tx intr tasklet */ + + struct ath5k_buf *bbuf; /* beacon buffer */ + unsigned int bhalq, /* SW q for outgoing beacons */ + bmisscount, /* missed beacon transmits */ + bintval, /* beacon interval in TU */ + bsent; + unsigned int nexttbtt; /* next beacon time in TU */ + + struct timer_list calib_tim; /* calibration timer */ +}; + +#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 |