/*- * 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. * */ /* * Definitions for the Atheros Wireless LAN controller driver. */ #ifndef _DEV_ATH_ATHVAR_H #define _DEV_ATH_ATHVAR_H #include #include #include #include #include #include #include #include "ath5k.h" #include "debug.h" #include "ani.h" #include "../regd.h" #include "../ath.h" #define ATH_RXBUF 40 /* number of RX buffers */ #define ATH_TXBUF 200 /* number of TX buffers */ #define ATH_BCBUF 4 /* number of beacon buffers */ #define ATH5K_TXQ_LEN_MAX (ATH_TXBUF / 4) /* bufs per queue */ #define ATH5K_TXQ_LEN_LOW (ATH5K_TXQ_LEN_MAX / 2) /* low mark */ struct ath5k_buf { struct list_head list; 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 */ }; /* * 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; int txq_len; /* number of queued buffers */ bool txq_poll_mark; unsigned int txq_stuck; /* informational counter */ }; #define ATH5K_LED_MAX_NAME_LEN 31 /* * State for LED triggers */ struct ath5k_led { char name[ATH5K_LED_MAX_NAME_LEN + 1]; /* name of the LED in sysfs */ struct ath5k_softc *sc; /* driver state */ struct led_classdev led_dev; /* led classdev */ }; /* Rfkill */ struct ath5k_rfkill { /* GPIO PIN for rfkill */ u16 gpio; /* polarity of rfkill GPIO PIN */ bool polarity; /* RFKILL toggle tasklet */ struct tasklet_struct toggleq; }; /* statistics */ struct ath5k_statistics { /* antenna use */ unsigned int antenna_rx[5]; /* frames count per antenna RX */ unsigned int antenna_tx[5]; /* frames count per antenna TX */ /* frame errors */ unsigned int rx_all_count; /* all RX frames, including errors */ unsigned int tx_all_count; /* all TX frames, including errors */ unsigned int rx_bytes_count; /* all RX bytes, including errored pks * and the MAC headers for each packet */ unsigned int tx_bytes_count; /* all TX bytes, including errored pkts * and the MAC headers and padding for * each packet. */ unsigned int rxerr_crc; unsigned int rxerr_phy; unsigned int rxerr_phy_code[32]; unsigned int rxerr_fifo; unsigned int rxerr_decrypt; unsigned int rxerr_mic; unsigned int rxerr_proc; unsigned int rxerr_jumbo; unsigned int txerr_retry; unsigned int txerr_fifo; unsigned int txerr_filt; /* MIB counters */ unsigned int ack_fail; unsigned int rts_fail; unsigned int rts_ok; unsigned int fcs_error; unsigned int beacons; unsigned int mib_intr; unsigned int rxorn_intr; unsigned int rxeol_intr; }; #if CHAN_DEBUG #define ATH_CHAN_MAX (26+26+26+200+200) #else #define ATH_CHAN_MAX (14+14+14+252+20) #endif struct ath5k_vif { bool assoc; /* are we associated or not */ enum nl80211_iftype opmode; int bslot; struct ath5k_buf *bbuf; /* beacon buffer */ u8 lladdr[ETH_ALEN]; }; /* Software Carrier, keeps track of the driver state * associated with an instance of a device */ struct ath5k_softc { struct pci_dev *pdev; struct device *dev; /* for dma mapping */ int irq; void __iomem *iobase; /* address of the device */ struct mutex lock; /* dev-level lock */ struct ieee80211_hw *hw; /* IEEE 802.11 common */ struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; struct ieee80211_channel channels[ATH_CHAN_MAX]; struct ieee80211_rate rates[IEEE80211_NUM_BANDS][AR5K_MAX_RATES]; s8 rate_idx[IEEE80211_NUM_BANDS][AR5K_MAX_RATES]; enum nl80211_iftype opmode; struct ath5k_hw *ah; /* Atheros HW */ struct ieee80211_supported_band *curband; #ifdef CONFIG_ATH5K_DEBUG struct ath5k_dbg_info debug; /* debug info */ #endif /* CONFIG_ATH5K_DEBUG */ 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 */ DECLARE_BITMAP(status, 5); #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_LEDSOFT 3 /* enable LED gpio status */ #define ATH_STAT_STARTED 4 /* opened & irqs enabled */ unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */ unsigned int curmode; /* current phy mode */ struct ieee80211_channel *curchan; /* current h/w channel */ u16 nvifs; enum ath5k_int imask; /* interrupt mask copy */ u8 lladdr[ETH_ALEN]; u8 bssidmask[ETH_ALEN]; unsigned int led_pin, /* GPIO pin for driving LED */ led_on; /* pin setting for LED on */ struct work_struct reset_work; /* deferred chip reset */ 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 ath5k_led rx_led; /* rx led */ struct list_head txbuf; /* transmit buffer */ spinlock_t txbuflock; unsigned int txbuf_len; /* buf count in txbuf list */ struct ath5k_txq txqs[AR5K_NUM_TX_QUEUES]; /* tx queues */ struct tasklet_struct txtq; /* tx intr tasklet */ struct ath5k_led tx_led; /* tx led */ struct ath5k_rfkill rf_kill; struct tasklet_struct calib; /* calibration tasklet */ spinlock_t block; /* protects beacon */ struct tasklet_struct beacontq; /* beacon intr tasklet */ struct list_head bcbuf; /* beacon buffer */ struct ieee80211_vif *bslot[ATH_BCBUF]; u16 num_ap_vifs; u16 num_adhoc_vifs; 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 ath5k_txq *cabq; /* content after beacon */ int power_level; /* Requested tx power in dbm */ bool assoc; /* associate state */ bool enable_beacon; /* true if beacons are on */ struct ath5k_statistics stats; struct ath5k_ani_state ani_state; struct tasklet_struct ani_tasklet; /* ANI calibration */ struct delayed_work tx_complete_work; }; #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