| /*- |
| * 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 <linux/interrupt.h> |
| #include <linux/list.h> |
| #include <linux/wireless.h> |
| #include <linux/if_ether.h> |
| #include <linux/leds.h> |
| #include <linux/rfkill.h> |
| #include <linux/workqueue.h> |
| |
| #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; /* for dma mapping */ |
| 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 |
