Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 1 | /*- |
| 2 | * Copyright (c) 2002-2007 Sam Leffler, Errno Consulting |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer, |
| 10 | * without modification. |
| 11 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| 12 | * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any |
| 13 | * redistribution must be conditioned upon including a substantially |
| 14 | * similar Disclaimer requirement for further binary redistribution. |
| 15 | * 3. Neither the names of the above-listed copyright holders nor the names |
| 16 | * of any contributors may be used to endorse or promote products derived |
| 17 | * from this software without specific prior written permission. |
| 18 | * |
| 19 | * Alternatively, this software may be distributed under the terms of the |
| 20 | * GNU General Public License ("GPL") version 2 as published by the Free |
| 21 | * Software Foundation. |
| 22 | * |
| 23 | * NO WARRANTY |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 25 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 26 | * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY |
| 27 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| 28 | * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, |
| 29 | * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 30 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| 32 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 33 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 34 | * THE POSSIBILITY OF SUCH DAMAGES. |
| 35 | * |
| 36 | */ |
| 37 | |
| 38 | /* |
Adam Buchbinder | 6070d81 | 2009-12-04 15:47:01 -0500 | [diff] [blame] | 39 | * Definitions for the Atheros Wireless LAN controller driver. |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 40 | */ |
| 41 | #ifndef _DEV_ATH_ATHVAR_H |
| 42 | #define _DEV_ATH_ATHVAR_H |
| 43 | |
| 44 | #include <linux/interrupt.h> |
| 45 | #include <linux/list.h> |
| 46 | #include <linux/wireless.h> |
| 47 | #include <linux/if_ether.h> |
Bob Copeland | 3a07887 | 2008-06-25 22:35:28 -0400 | [diff] [blame] | 48 | #include <linux/leds.h> |
Tobias Doerffel | e6a3b61 | 2009-06-09 17:33:27 +0200 | [diff] [blame] | 49 | #include <linux/rfkill.h> |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 50 | |
| 51 | #include "ath5k.h" |
| 52 | #include "debug.h" |
Bruno Randolf | 2111ac0 | 2010-04-02 18:44:08 +0900 | [diff] [blame] | 53 | #include "ani.h" |
Luis R. Rodriguez | 608b88c | 2009-08-17 18:07:23 -0700 | [diff] [blame] | 54 | |
| 55 | #include "../regd.h" |
Luis R. Rodriguez | aeb63cf | 2009-08-12 09:57:00 -0700 | [diff] [blame] | 56 | #include "../ath.h" |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 57 | |
| 58 | #define ATH_RXBUF 40 /* number of RX buffers */ |
| 59 | #define ATH_TXBUF 200 /* number of TX buffers */ |
| 60 | #define ATH_BCBUF 1 /* number of beacon buffers */ |
| 61 | |
| 62 | struct ath5k_buf { |
| 63 | struct list_head list; |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 64 | struct ath5k_desc *desc; /* virtual addr of desc */ |
| 65 | dma_addr_t daddr; /* physical addr of desc */ |
| 66 | struct sk_buff *skb; /* skbuff for buf */ |
| 67 | dma_addr_t skbaddr;/* physical addr of skb data */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | /* |
| 71 | * Data transmit queue state. One of these exists for each |
| 72 | * hardware transmit queue. Packets sent to us from above |
| 73 | * are assigned to queues based on their priority. Not all |
| 74 | * devices support a complete set of hardware transmit queues. |
| 75 | * For those devices the array sc_ac2q will map multiple |
| 76 | * priorities to fewer hardware queues (typically all to one |
| 77 | * hardware queue). |
| 78 | */ |
| 79 | struct ath5k_txq { |
| 80 | unsigned int qnum; /* hardware q number */ |
| 81 | u32 *link; /* link ptr in last TX desc */ |
| 82 | struct list_head q; /* transmit queue */ |
| 83 | spinlock_t lock; /* lock on q and link */ |
| 84 | bool setup; |
| 85 | }; |
| 86 | |
Bob Copeland | 3a07887 | 2008-06-25 22:35:28 -0400 | [diff] [blame] | 87 | #define ATH5K_LED_MAX_NAME_LEN 31 |
| 88 | |
| 89 | /* |
| 90 | * State for LED triggers |
| 91 | */ |
| 92 | struct ath5k_led |
| 93 | { |
| 94 | char name[ATH5K_LED_MAX_NAME_LEN + 1]; /* name of the LED in sysfs */ |
| 95 | struct ath5k_softc *sc; /* driver state */ |
| 96 | struct led_classdev led_dev; /* led classdev */ |
| 97 | }; |
| 98 | |
Tobias Doerffel | e6a3b61 | 2009-06-09 17:33:27 +0200 | [diff] [blame] | 99 | /* Rfkill */ |
| 100 | struct ath5k_rfkill { |
| 101 | /* GPIO PIN for rfkill */ |
| 102 | u16 gpio; |
| 103 | /* polarity of rfkill GPIO PIN */ |
| 104 | bool polarity; |
| 105 | /* RFKILL toggle tasklet */ |
| 106 | struct tasklet_struct toggleq; |
| 107 | }; |
Bob Copeland | 3a07887 | 2008-06-25 22:35:28 -0400 | [diff] [blame] | 108 | |
Bruno Randolf | 495391d | 2010-03-25 14:49:36 +0900 | [diff] [blame] | 109 | /* statistics */ |
Bruno Randolf | 604eead | 2010-03-09 16:55:17 +0900 | [diff] [blame] | 110 | struct ath5k_statistics { |
Bruno Randolf | 495391d | 2010-03-25 14:49:36 +0900 | [diff] [blame] | 111 | /* antenna use */ |
Bruno Randolf | 604eead | 2010-03-09 16:55:17 +0900 | [diff] [blame] | 112 | unsigned int antenna_rx[5]; /* frames count per antenna RX */ |
| 113 | unsigned int antenna_tx[5]; /* frames count per antenna TX */ |
Bruno Randolf | 495391d | 2010-03-25 14:49:36 +0900 | [diff] [blame] | 114 | |
| 115 | /* frame errors */ |
Bruno Randolf | 7644395 | 2010-03-09 16:56:00 +0900 | [diff] [blame] | 116 | unsigned int rx_all_count; /* all RX frames, including errors */ |
| 117 | unsigned int tx_all_count; /* all TX frames, including errors */ |
| 118 | unsigned int rxerr_crc; |
| 119 | unsigned int rxerr_phy; |
Bruno Randolf | da35111 | 2010-03-25 14:49:42 +0900 | [diff] [blame] | 120 | unsigned int rxerr_phy_code[32]; |
Bruno Randolf | 7644395 | 2010-03-09 16:56:00 +0900 | [diff] [blame] | 121 | unsigned int rxerr_fifo; |
| 122 | unsigned int rxerr_decrypt; |
| 123 | unsigned int rxerr_mic; |
| 124 | unsigned int rxerr_proc; |
| 125 | unsigned int rxerr_jumbo; |
| 126 | unsigned int txerr_retry; |
| 127 | unsigned int txerr_fifo; |
| 128 | unsigned int txerr_filt; |
Bruno Randolf | 495391d | 2010-03-25 14:49:36 +0900 | [diff] [blame] | 129 | |
| 130 | /* MIB counters */ |
| 131 | unsigned int ack_fail; |
| 132 | unsigned int rts_fail; |
| 133 | unsigned int rts_ok; |
| 134 | unsigned int fcs_error; |
| 135 | unsigned int beacons; |
Bruno Randolf | 2111ac0 | 2010-04-02 18:44:08 +0900 | [diff] [blame] | 136 | |
| 137 | unsigned int mib_intr; |
Bruno Randolf | 87d77c4 | 2010-04-12 16:38:52 +0900 | [diff] [blame] | 138 | unsigned int rxorn_intr; |
Bruno Randolf | 604eead | 2010-03-09 16:55:17 +0900 | [diff] [blame] | 139 | }; |
| 140 | |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 141 | #if CHAN_DEBUG |
| 142 | #define ATH_CHAN_MAX (26+26+26+200+200) |
| 143 | #else |
Luis R. Rodriguez | d8ee398 | 2008-02-03 21:51:04 -0500 | [diff] [blame] | 144 | #define ATH_CHAN_MAX (14+14+14+252+20) |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 145 | #endif |
| 146 | |
| 147 | /* Software Carrier, keeps track of the driver state |
| 148 | * associated with an instance of a device */ |
| 149 | struct ath5k_softc { |
| 150 | struct pci_dev *pdev; /* for dma mapping */ |
| 151 | void __iomem *iobase; /* address of the device */ |
| 152 | struct mutex lock; /* dev-level lock */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 153 | struct ieee80211_hw *hw; /* IEEE 802.11 common */ |
Luis R. Rodriguez | d8ee398 | 2008-02-03 21:51:04 -0500 | [diff] [blame] | 154 | struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 155 | struct ieee80211_channel channels[ATH_CHAN_MAX]; |
Bruno Randolf | 63266a6 | 2008-07-30 17:12:58 +0200 | [diff] [blame] | 156 | struct ieee80211_rate rates[IEEE80211_NUM_BANDS][AR5K_MAX_RATES]; |
Bob Copeland | b726604 | 2009-03-02 21:55:18 -0500 | [diff] [blame] | 157 | s8 rate_idx[IEEE80211_NUM_BANDS][AR5K_MAX_RATES]; |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 158 | enum nl80211_iftype opmode; |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 159 | struct ath5k_hw *ah; /* Atheros HW */ |
| 160 | |
Luis R. Rodriguez | d8ee398 | 2008-02-03 21:51:04 -0500 | [diff] [blame] | 161 | struct ieee80211_supported_band *curband; |
| 162 | |
Luis R. Rodriguez | b446197 | 2008-02-04 10:03:54 -0500 | [diff] [blame] | 163 | #ifdef CONFIG_ATH5K_DEBUG |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 164 | struct ath5k_dbg_info debug; /* debug info */ |
Luis R. Rodriguez | b446197 | 2008-02-04 10:03:54 -0500 | [diff] [blame] | 165 | #endif /* CONFIG_ATH5K_DEBUG */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 166 | |
| 167 | struct ath5k_buf *bufptr; /* allocated buffer ptr */ |
| 168 | struct ath5k_desc *desc; /* TX/RX descriptors */ |
| 169 | dma_addr_t desc_daddr; /* DMA (physical) address */ |
| 170 | size_t desc_len; /* size of TX/RX descriptors */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 171 | |
Bob Copeland | 8bdd5b9 | 2008-10-16 11:02:06 -0400 | [diff] [blame] | 172 | DECLARE_BITMAP(status, 5); |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 173 | #define ATH_STAT_INVALID 0 /* disable hardware accesses */ |
| 174 | #define ATH_STAT_MRRETRY 1 /* multi-rate retry support */ |
| 175 | #define ATH_STAT_PROMISC 2 |
Bob Copeland | 3a07887 | 2008-06-25 22:35:28 -0400 | [diff] [blame] | 176 | #define ATH_STAT_LEDSOFT 3 /* enable LED gpio status */ |
Bob Copeland | 8bdd5b9 | 2008-10-16 11:02:06 -0400 | [diff] [blame] | 177 | #define ATH_STAT_STARTED 4 /* opened & irqs enabled */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 178 | |
| 179 | unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */ |
| 180 | unsigned int curmode; /* current phy mode */ |
| 181 | struct ieee80211_channel *curchan; /* current h/w channel */ |
| 182 | |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 183 | struct ieee80211_vif *vif; |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 184 | |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 185 | enum ath5k_int imask; /* interrupt mask copy */ |
| 186 | |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 187 | u8 bssidmask[ETH_ALEN]; |
| 188 | |
| 189 | unsigned int led_pin, /* GPIO pin for driving LED */ |
Bob Copeland | 5ef4017 | 2009-01-22 08:44:19 -0500 | [diff] [blame] | 190 | led_on; /* pin setting for LED on */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 191 | |
| 192 | struct tasklet_struct restq; /* reset tasklet */ |
| 193 | |
| 194 | unsigned int rxbufsize; /* rx size based on mtu */ |
| 195 | struct list_head rxbuf; /* receive buffer */ |
| 196 | spinlock_t rxbuflock; |
| 197 | u32 *rxlink; /* link ptr in last RX desc */ |
| 198 | struct tasklet_struct rxtq; /* rx intr tasklet */ |
Bob Copeland | 3a07887 | 2008-06-25 22:35:28 -0400 | [diff] [blame] | 199 | struct ath5k_led rx_led; /* rx led */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 200 | |
| 201 | struct list_head txbuf; /* transmit buffer */ |
| 202 | spinlock_t txbuflock; |
| 203 | unsigned int txbuf_len; /* buf count in txbuf list */ |
Bob Copeland | cec8db2 | 2009-07-04 12:59:51 -0400 | [diff] [blame] | 204 | struct ath5k_txq txqs[AR5K_NUM_TX_QUEUES]; /* tx queues */ |
| 205 | struct ath5k_txq *txq; /* main tx queue */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 206 | struct tasklet_struct txtq; /* tx intr tasklet */ |
Bob Copeland | 3a07887 | 2008-06-25 22:35:28 -0400 | [diff] [blame] | 207 | struct ath5k_led tx_led; /* tx led */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 208 | |
Tobias Doerffel | e6a3b61 | 2009-06-09 17:33:27 +0200 | [diff] [blame] | 209 | struct ath5k_rfkill rf_kill; |
Tobias Doerffel | e6a3b61 | 2009-06-09 17:33:27 +0200 | [diff] [blame] | 210 | |
Nick Kossifidis | 6e22066 | 2009-08-10 03:31:31 +0300 | [diff] [blame] | 211 | struct tasklet_struct calib; /* calibration tasklet */ |
| 212 | |
Jiri Slaby | 0048297 | 2008-08-18 21:45:27 +0200 | [diff] [blame] | 213 | spinlock_t block; /* protects beacon */ |
Bob Copeland | acf3c1a | 2009-02-15 12:06:11 -0500 | [diff] [blame] | 214 | struct tasklet_struct beacontq; /* beacon intr tasklet */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 215 | struct ath5k_buf *bbuf; /* beacon buffer */ |
| 216 | unsigned int bhalq, /* SW q for outgoing beacons */ |
| 217 | bmisscount, /* missed beacon transmits */ |
Bruno Randolf | e535c1a | 2008-01-18 21:51:40 +0900 | [diff] [blame] | 218 | bintval, /* beacon interval in TU */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 219 | bsent; |
Bruno Randolf | 036cd1e | 2008-01-19 18:18:21 +0900 | [diff] [blame] | 220 | unsigned int nexttbtt; /* next beacon time in TU */ |
Bob Copeland | cec8db2 | 2009-07-04 12:59:51 -0400 | [diff] [blame] | 221 | struct ath5k_txq *cabq; /* content after beacon */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 222 | |
Luis R. Rodriguez | d8ee398 | 2008-02-03 21:51:04 -0500 | [diff] [blame] | 223 | int power_level; /* Requested tx power in dbm */ |
Thadeu Lima de Souza Cascardo | 94e2bd6 | 2009-10-16 15:20:49 +0200 | [diff] [blame] | 224 | bool assoc; /* associate state */ |
Bob Copeland | 2180049 | 2009-07-04 12:59:52 -0400 | [diff] [blame] | 225 | bool enable_beacon; /* true if beacons are on */ |
Bruno Randolf | 604eead | 2010-03-09 16:55:17 +0900 | [diff] [blame] | 226 | |
| 227 | struct ath5k_statistics stats; |
Bruno Randolf | 2111ac0 | 2010-04-02 18:44:08 +0900 | [diff] [blame] | 228 | |
| 229 | struct ath5k_ani_state ani_state; |
| 230 | struct tasklet_struct ani_tasklet; /* ANI calibration */ |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 231 | }; |
| 232 | |
| 233 | #define ath5k_hw_hasbssidmask(_ah) \ |
| 234 | (ath5k_hw_get_capability(_ah, AR5K_CAP_BSSIDMASK, 0, NULL) == 0) |
| 235 | #define ath5k_hw_hasveol(_ah) \ |
| 236 | (ath5k_hw_get_capability(_ah, AR5K_CAP_VEOL, 0, NULL) == 0) |
| 237 | |
Jiri Slaby | fa1c114 | 2007-08-12 17:33:16 +0200 | [diff] [blame] | 238 | #endif |