Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1 | /* |
Ivo van Doorn | 811aa9c | 2008-02-03 15:42:53 +0100 | [diff] [blame] | 2 | Copyright (C) 2004 - 2008 rt2x00 SourceForge Project |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 3 | <http://rt2x00.serialmonkey.com> |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 2 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the |
| 17 | Free Software Foundation, Inc., |
| 18 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 19 | */ |
| 20 | |
| 21 | /* |
| 22 | Module: rt2x00 |
| 23 | Abstract: rt2x00 global information. |
| 24 | */ |
| 25 | |
| 26 | #ifndef RT2X00_H |
| 27 | #define RT2X00_H |
| 28 | |
| 29 | #include <linux/bitops.h> |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 30 | #include <linux/skbuff.h> |
| 31 | #include <linux/workqueue.h> |
| 32 | #include <linux/firmware.h> |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 33 | #include <linux/leds.h> |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 34 | #include <linux/mutex.h> |
Mattias Nissler | 61af43c | 2007-11-27 21:50:26 +0100 | [diff] [blame] | 35 | #include <linux/etherdevice.h> |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 36 | |
| 37 | #include <net/mac80211.h> |
| 38 | |
| 39 | #include "rt2x00debug.h" |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 40 | #include "rt2x00leds.h" |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 41 | #include "rt2x00reg.h" |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 42 | #include "rt2x00queue.h" |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 43 | |
| 44 | /* |
| 45 | * Module information. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 46 | */ |
Ivo van Doorn | 304a698 | 2008-12-02 18:20:59 +0100 | [diff] [blame] | 47 | #define DRV_VERSION "2.2.3" |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 48 | #define DRV_PROJECT "http://rt2x00.serialmonkey.com" |
| 49 | |
| 50 | /* |
| 51 | * Debug definitions. |
| 52 | * Debug output has to be enabled during compile time. |
| 53 | */ |
| 54 | #define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \ |
| 55 | printk(__kernlvl "%s -> %s: %s - " __msg, \ |
Harvey Harrison | c94c93d | 2008-07-28 23:01:34 -0700 | [diff] [blame] | 56 | wiphy_name((__dev)->hw->wiphy), __func__, __lvl, ##__args) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 57 | |
| 58 | #define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \ |
| 59 | printk(__kernlvl "%s -> %s: %s - " __msg, \ |
Harvey Harrison | c94c93d | 2008-07-28 23:01:34 -0700 | [diff] [blame] | 60 | KBUILD_MODNAME, __func__, __lvl, ##__args) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 61 | |
| 62 | #ifdef CONFIG_RT2X00_DEBUG |
| 63 | #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \ |
| 64 | DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args); |
| 65 | #else |
| 66 | #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \ |
| 67 | do { } while (0) |
| 68 | #endif /* CONFIG_RT2X00_DEBUG */ |
| 69 | |
| 70 | /* |
| 71 | * Various debug levels. |
| 72 | * The debug levels PANIC and ERROR both indicate serious problems, |
| 73 | * for this reason they should never be ignored. |
| 74 | * The special ERROR_PROBE message is for messages that are generated |
| 75 | * when the rt2x00_dev is not yet initialized. |
| 76 | */ |
| 77 | #define PANIC(__dev, __msg, __args...) \ |
| 78 | DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args) |
| 79 | #define ERROR(__dev, __msg, __args...) \ |
| 80 | DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args) |
| 81 | #define ERROR_PROBE(__msg, __args...) \ |
| 82 | DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args) |
| 83 | #define WARNING(__dev, __msg, __args...) \ |
| 84 | DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args) |
| 85 | #define NOTICE(__dev, __msg, __args...) \ |
| 86 | DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args) |
| 87 | #define INFO(__dev, __msg, __args...) \ |
| 88 | DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args) |
| 89 | #define DEBUG(__dev, __msg, __args...) \ |
| 90 | DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args) |
| 91 | #define EEPROM(__dev, __msg, __args...) \ |
| 92 | DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args) |
| 93 | |
| 94 | /* |
Ivo van Doorn | bad1363 | 2008-11-09 20:47:00 +0100 | [diff] [blame] | 95 | * Duration calculations |
| 96 | * The rate variable passed is: 100kbs. |
| 97 | * To convert from bytes to bits we multiply size with 8, |
| 98 | * then the size is multiplied with 10 to make the |
| 99 | * real rate -> rate argument correction. |
| 100 | */ |
| 101 | #define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate)) |
| 102 | #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate)) |
| 103 | |
| 104 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 105 | * Standard timing and size defines. |
| 106 | * These values should follow the ieee80211 specifications. |
| 107 | */ |
| 108 | #define ACK_SIZE 14 |
| 109 | #define IEEE80211_HEADER 24 |
| 110 | #define PLCP 48 |
| 111 | #define BEACON 100 |
| 112 | #define PREAMBLE 144 |
| 113 | #define SHORT_PREAMBLE 72 |
| 114 | #define SLOT_TIME 20 |
| 115 | #define SHORT_SLOT_TIME 9 |
| 116 | #define SIFS 10 |
| 117 | #define PIFS ( SIFS + SLOT_TIME ) |
| 118 | #define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME ) |
| 119 | #define DIFS ( PIFS + SLOT_TIME ) |
| 120 | #define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME ) |
Ivo van Doorn | f2fdbc4 | 2008-07-19 16:16:12 +0200 | [diff] [blame] | 121 | #define EIFS ( SIFS + DIFS + \ |
Ivo van Doorn | bad1363 | 2008-11-09 20:47:00 +0100 | [diff] [blame] | 122 | GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) ) |
Ivo van Doorn | f2fdbc4 | 2008-07-19 16:16:12 +0200 | [diff] [blame] | 123 | #define SHORT_EIFS ( SIFS + SHORT_DIFS + \ |
Ivo van Doorn | bad1363 | 2008-11-09 20:47:00 +0100 | [diff] [blame] | 124 | GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) ) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 125 | |
| 126 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 127 | * Chipset identification |
| 128 | * The chipset on the device is composed of a RT and RF chip. |
| 129 | * The chipset combination is important for determining device capabilities. |
| 130 | */ |
| 131 | struct rt2x00_chip { |
| 132 | u16 rt; |
| 133 | #define RT2460 0x0101 |
| 134 | #define RT2560 0x0201 |
| 135 | #define RT2570 0x1201 |
Ivo van Doorn | 12dadb9 | 2007-09-25 20:54:44 +0200 | [diff] [blame] | 136 | #define RT2561s 0x0301 /* Turbo */ |
| 137 | #define RT2561 0x0302 |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 138 | #define RT2661 0x0401 |
| 139 | #define RT2571 0x1300 |
| 140 | |
| 141 | u16 rf; |
| 142 | u32 rev; |
| 143 | }; |
| 144 | |
| 145 | /* |
| 146 | * RF register values that belong to a particular channel. |
| 147 | */ |
| 148 | struct rf_channel { |
| 149 | int channel; |
| 150 | u32 rf1; |
| 151 | u32 rf2; |
| 152 | u32 rf3; |
| 153 | u32 rf4; |
| 154 | }; |
| 155 | |
| 156 | /* |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 157 | * Channel information structure |
| 158 | */ |
| 159 | struct channel_info { |
| 160 | unsigned int flags; |
| 161 | #define GEOGRAPHY_ALLOWED 0x00000001 |
| 162 | |
| 163 | short tx_power1; |
| 164 | short tx_power2; |
| 165 | }; |
| 166 | |
| 167 | /* |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 168 | * Antenna setup values. |
| 169 | */ |
| 170 | struct antenna_setup { |
| 171 | enum antenna rx; |
| 172 | enum antenna tx; |
| 173 | }; |
| 174 | |
| 175 | /* |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 176 | * Quality statistics about the currently active link. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 177 | */ |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 178 | struct link_qual { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 179 | /* |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 180 | * Statistics required for Link tuning by driver |
| 181 | * The rssi value is provided by rt2x00lib during the |
| 182 | * link_tuner() callback function. |
| 183 | * The false_cca field is filled during the link_stats() |
| 184 | * callback function and could be used during the |
| 185 | * link_tuner() callback function. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 186 | */ |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 187 | int rssi; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 188 | int false_cca; |
| 189 | |
| 190 | /* |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 191 | * VGC levels |
| 192 | * Hardware driver will tune the VGC level during each call |
| 193 | * to the link_tuner() callback function. This vgc_level is |
| 194 | * is determined based on the link quality statistics like |
| 195 | * average RSSI and the false CCA count. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 196 | * |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 197 | * In some cases the drivers need to differentiate between |
| 198 | * the currently "desired" VGC level and the level configured |
| 199 | * in the hardware. The latter is important to reduce the |
| 200 | * number of BBP register reads to reduce register access |
| 201 | * overhead. For this reason we store both values here. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 202 | */ |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 203 | u8 vgc_level; |
| 204 | u8 vgc_level_reg; |
| 205 | |
| 206 | /* |
| 207 | * Statistics required for Signal quality calculation. |
| 208 | * These fields might be changed during the link_stats() |
| 209 | * callback function. |
| 210 | */ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 211 | int rx_success; |
| 212 | int rx_failed; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 213 | int tx_success; |
| 214 | int tx_failed; |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 215 | }; |
| 216 | |
| 217 | /* |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 218 | * Antenna settings about the currently active link. |
| 219 | */ |
| 220 | struct link_ant { |
| 221 | /* |
| 222 | * Antenna flags |
| 223 | */ |
| 224 | unsigned int flags; |
| 225 | #define ANTENNA_RX_DIVERSITY 0x00000001 |
| 226 | #define ANTENNA_TX_DIVERSITY 0x00000002 |
| 227 | #define ANTENNA_MODE_SAMPLE 0x00000004 |
| 228 | |
| 229 | /* |
| 230 | * Currently active TX/RX antenna setup. |
| 231 | * When software diversity is used, this will indicate |
| 232 | * which antenna is actually used at this time. |
| 233 | */ |
| 234 | struct antenna_setup active; |
| 235 | |
| 236 | /* |
| 237 | * RSSI information for the different antenna's. |
| 238 | * These statistics are used to determine when |
| 239 | * to switch antenna when using software diversity. |
| 240 | * |
| 241 | * rssi[0] -> Antenna A RSSI |
| 242 | * rssi[1] -> Antenna B RSSI |
| 243 | */ |
| 244 | int rssi_history[2]; |
| 245 | |
| 246 | /* |
| 247 | * Current RSSI average of the currently active antenna. |
| 248 | * Similar to the avg_rssi in the link_qual structure |
| 249 | * this value is updated by using the walking average. |
| 250 | */ |
| 251 | int rssi_ant; |
| 252 | }; |
| 253 | |
| 254 | /* |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 255 | * To optimize the quality of the link we need to store |
| 256 | * the quality of received frames and periodically |
| 257 | * optimize the link. |
| 258 | */ |
| 259 | struct link { |
| 260 | /* |
| 261 | * Link tuner counter |
| 262 | * The number of times the link has been tuned |
| 263 | * since the radio has been switched on. |
| 264 | */ |
| 265 | u32 count; |
| 266 | |
| 267 | /* |
| 268 | * Quality measurement values. |
| 269 | */ |
| 270 | struct link_qual qual; |
| 271 | |
| 272 | /* |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 273 | * TX/RX antenna setup. |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 274 | */ |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 275 | struct link_ant ant; |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 276 | |
| 277 | /* |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 278 | * Currently active average RSSI value |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 279 | */ |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 280 | int avg_rssi; |
Ivo van Doorn | eb20b4e | 2008-12-20 10:54:22 +0100 | [diff] [blame] | 281 | |
| 282 | /* |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 283 | * Currently precalculated percentages of successful |
| 284 | * TX and RX frames. |
Ivo van Doorn | eb20b4e | 2008-12-20 10:54:22 +0100 | [diff] [blame] | 285 | */ |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 286 | int rx_percentage; |
| 287 | int tx_percentage; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 288 | |
| 289 | /* |
| 290 | * Work structure for scheduling periodic link tuning. |
| 291 | */ |
| 292 | struct delayed_work work; |
| 293 | }; |
| 294 | |
| 295 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 296 | * Interface structure |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 297 | * Per interface configuration details, this structure |
| 298 | * is allocated as the private data for ieee80211_vif. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 299 | */ |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 300 | struct rt2x00_intf { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 301 | /* |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 302 | * All fields within the rt2x00_intf structure |
| 303 | * must be protected with a spinlock. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 304 | */ |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 305 | spinlock_t lock; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 306 | |
| 307 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 308 | * MAC of the device. |
| 309 | */ |
| 310 | u8 mac[ETH_ALEN]; |
| 311 | |
| 312 | /* |
| 313 | * BBSID of the AP to associate with. |
| 314 | */ |
| 315 | u8 bssid[ETH_ALEN]; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 316 | |
| 317 | /* |
| 318 | * Entry in the beacon queue which belongs to |
| 319 | * this interface. Each interface has its own |
| 320 | * dedicated beacon entry. |
| 321 | */ |
| 322 | struct queue_entry *beacon; |
| 323 | |
| 324 | /* |
| 325 | * Actions that needed rescheduling. |
| 326 | */ |
| 327 | unsigned int delayed_flags; |
| 328 | #define DELAYED_UPDATE_BEACON 0x00000001 |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 329 | #define DELAYED_CONFIG_ERP 0x00000002 |
Ivo van Doorn | a2e1d52 | 2008-03-31 15:53:44 +0200 | [diff] [blame] | 330 | #define DELAYED_LED_ASSOC 0x00000004 |
Johannes Berg | f591fa5 | 2008-07-10 11:21:26 +0200 | [diff] [blame] | 331 | |
Ivo van Doorn | d4764b2 | 2008-07-28 10:21:16 +0200 | [diff] [blame] | 332 | /* |
| 333 | * Software sequence counter, this is only required |
| 334 | * for hardware which doesn't support hardware |
| 335 | * sequence counting. |
| 336 | */ |
| 337 | spinlock_t seqlock; |
Johannes Berg | f591fa5 | 2008-07-10 11:21:26 +0200 | [diff] [blame] | 338 | u16 seqno; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 339 | }; |
| 340 | |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 341 | static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 342 | { |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 343 | return (struct rt2x00_intf *)vif->drv_priv; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 344 | } |
| 345 | |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 346 | /** |
| 347 | * struct hw_mode_spec: Hardware specifications structure |
| 348 | * |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 349 | * Details about the supported modes, rates and channels |
| 350 | * of a particular chipset. This is used by rt2x00lib |
| 351 | * to build the ieee80211_hw_mode array for mac80211. |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 352 | * |
| 353 | * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz). |
| 354 | * @supported_rates: Rate types which are supported (CCK, OFDM). |
| 355 | * @num_channels: Number of supported channels. This is used as array size |
| 356 | * for @tx_power_a, @tx_power_bg and @channels. |
Ivo van Doorn | 9a46d44 | 2008-04-21 19:02:17 +0200 | [diff] [blame] | 357 | * @channels: Device/chipset specific channel values (See &struct rf_channel). |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 358 | * @channels_info: Additional information for channels (See &struct channel_info). |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 359 | */ |
| 360 | struct hw_mode_spec { |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 361 | unsigned int supported_bands; |
| 362 | #define SUPPORT_BAND_2GHZ 0x00000001 |
| 363 | #define SUPPORT_BAND_5GHZ 0x00000002 |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 364 | |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 365 | unsigned int supported_rates; |
| 366 | #define SUPPORT_RATE_CCK 0x00000001 |
| 367 | #define SUPPORT_RATE_OFDM 0x00000002 |
| 368 | |
| 369 | unsigned int num_channels; |
| 370 | const struct rf_channel *channels; |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 371 | const struct channel_info *channels_info; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 372 | }; |
| 373 | |
| 374 | /* |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 375 | * Configuration structure wrapper around the |
| 376 | * mac80211 configuration structure. |
| 377 | * When mac80211 configures the driver, rt2x00lib |
| 378 | * can precalculate values which are equal for all |
| 379 | * rt2x00 drivers. Those values can be stored in here. |
| 380 | */ |
| 381 | struct rt2x00lib_conf { |
| 382 | struct ieee80211_conf *conf; |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 383 | |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 384 | struct rf_channel rf; |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 385 | struct channel_info channel; |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 386 | }; |
| 387 | |
| 388 | /* |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 389 | * Configuration structure for erp settings. |
| 390 | */ |
| 391 | struct rt2x00lib_erp { |
| 392 | int short_preamble; |
Ivo van Doorn | e360c4c | 2008-07-09 15:12:06 +0200 | [diff] [blame] | 393 | int cts_protection; |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 394 | |
| 395 | int ack_timeout; |
| 396 | int ack_consume_time; |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 397 | |
| 398 | u64 basic_rates; |
| 399 | |
| 400 | int slot_time; |
| 401 | |
| 402 | short sifs; |
| 403 | short pifs; |
| 404 | short difs; |
| 405 | short eifs; |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 406 | }; |
| 407 | |
| 408 | /* |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 409 | * Configuration structure for hardware encryption. |
| 410 | */ |
| 411 | struct rt2x00lib_crypto { |
| 412 | enum cipher cipher; |
| 413 | |
| 414 | enum set_key_cmd cmd; |
| 415 | const u8 *address; |
| 416 | |
| 417 | u32 bssidx; |
| 418 | u32 aid; |
| 419 | |
| 420 | u8 key[16]; |
| 421 | u8 tx_mic[8]; |
| 422 | u8 rx_mic[8]; |
| 423 | }; |
| 424 | |
| 425 | /* |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 426 | * Configuration structure wrapper around the |
| 427 | * rt2x00 interface configuration handler. |
| 428 | */ |
| 429 | struct rt2x00intf_conf { |
| 430 | /* |
| 431 | * Interface type |
| 432 | */ |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 433 | enum nl80211_iftype type; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 434 | |
| 435 | /* |
| 436 | * TSF sync value, this is dependant on the operation type. |
| 437 | */ |
| 438 | enum tsf_sync sync; |
| 439 | |
| 440 | /* |
| 441 | * The MAC and BSSID addressess are simple array of bytes, |
| 442 | * these arrays are little endian, so when sending the addressess |
| 443 | * to the drivers, copy the it into a endian-signed variable. |
| 444 | * |
| 445 | * Note that all devices (except rt2500usb) have 32 bits |
| 446 | * register word sizes. This means that whatever variable we |
| 447 | * pass _must_ be a multiple of 32 bits. Otherwise the device |
| 448 | * might not accept what we are sending to it. |
| 449 | * This will also make it easier for the driver to write |
| 450 | * the data to the device. |
| 451 | */ |
| 452 | __le32 mac[2]; |
| 453 | __le32 bssid[2]; |
| 454 | }; |
| 455 | |
| 456 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 457 | * rt2x00lib callback functions. |
| 458 | */ |
| 459 | struct rt2x00lib_ops { |
| 460 | /* |
| 461 | * Interrupt handlers. |
| 462 | */ |
| 463 | irq_handler_t irq_handler; |
| 464 | |
| 465 | /* |
| 466 | * Device init handlers. |
| 467 | */ |
| 468 | int (*probe_hw) (struct rt2x00_dev *rt2x00dev); |
| 469 | char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev); |
David Woodhouse | f160ebc | 2008-05-24 00:08:39 +0100 | [diff] [blame] | 470 | u16 (*get_firmware_crc) (const void *data, const size_t len); |
| 471 | int (*load_firmware) (struct rt2x00_dev *rt2x00dev, const void *data, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 472 | const size_t len); |
| 473 | |
| 474 | /* |
| 475 | * Device initialization/deinitialization handlers. |
| 476 | */ |
| 477 | int (*initialize) (struct rt2x00_dev *rt2x00dev); |
| 478 | void (*uninitialize) (struct rt2x00_dev *rt2x00dev); |
| 479 | |
| 480 | /* |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 481 | * queue initialization handlers |
Ivo van Doorn | 837e7f2 | 2008-01-06 23:41:45 +0100 | [diff] [blame] | 482 | */ |
Ivo van Doorn | 798b7ad | 2008-11-08 15:25:33 +0100 | [diff] [blame] | 483 | bool (*get_entry_state) (struct queue_entry *entry); |
| 484 | void (*clear_entry) (struct queue_entry *entry); |
Ivo van Doorn | 837e7f2 | 2008-01-06 23:41:45 +0100 | [diff] [blame] | 485 | |
| 486 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 487 | * Radio control handlers. |
| 488 | */ |
| 489 | int (*set_device_state) (struct rt2x00_dev *rt2x00dev, |
| 490 | enum dev_state state); |
| 491 | int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev); |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 492 | void (*link_stats) (struct rt2x00_dev *rt2x00dev, |
| 493 | struct link_qual *qual); |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 494 | void (*reset_tuner) (struct rt2x00_dev *rt2x00dev, |
| 495 | struct link_qual *qual); |
| 496 | void (*link_tuner) (struct rt2x00_dev *rt2x00dev, |
| 497 | struct link_qual *qual, const u32 count); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 498 | |
| 499 | /* |
| 500 | * TX control handlers |
| 501 | */ |
| 502 | void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | dd3193e | 2008-01-06 23:41:10 +0100 | [diff] [blame] | 503 | struct sk_buff *skb, |
Ivo van Doorn | 61486e0 | 2008-05-10 13:42:31 +0200 | [diff] [blame] | 504 | struct txentry_desc *txdesc); |
Ivo van Doorn | 6db3786 | 2008-06-06 22:50:28 +0200 | [diff] [blame] | 505 | int (*write_tx_data) (struct queue_entry *entry); |
Ivo van Doorn | bd88a78 | 2008-07-09 15:12:44 +0200 | [diff] [blame] | 506 | void (*write_beacon) (struct queue_entry *entry); |
Ivo van Doorn | f1ca216 | 2008-11-13 23:07:33 +0100 | [diff] [blame] | 507 | int (*get_tx_data_len) (struct queue_entry *entry); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 508 | void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | e58c6ac | 2008-04-21 19:00:47 +0200 | [diff] [blame] | 509 | const enum data_queue_qid queue); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 510 | |
| 511 | /* |
| 512 | * RX control handlers |
| 513 | */ |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 514 | void (*fill_rxdone) (struct queue_entry *entry, |
| 515 | struct rxdone_entry_desc *rxdesc); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 516 | |
| 517 | /* |
| 518 | * Configuration handlers. |
| 519 | */ |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 520 | int (*config_shared_key) (struct rt2x00_dev *rt2x00dev, |
| 521 | struct rt2x00lib_crypto *crypto, |
| 522 | struct ieee80211_key_conf *key); |
| 523 | int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev, |
| 524 | struct rt2x00lib_crypto *crypto, |
| 525 | struct ieee80211_key_conf *key); |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 526 | void (*config_filter) (struct rt2x00_dev *rt2x00dev, |
| 527 | const unsigned int filter_flags); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 528 | void (*config_intf) (struct rt2x00_dev *rt2x00dev, |
| 529 | struct rt2x00_intf *intf, |
| 530 | struct rt2x00intf_conf *conf, |
| 531 | const unsigned int flags); |
| 532 | #define CONFIG_UPDATE_TYPE ( 1 << 1 ) |
| 533 | #define CONFIG_UPDATE_MAC ( 1 << 2 ) |
| 534 | #define CONFIG_UPDATE_BSSID ( 1 << 3 ) |
| 535 | |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 536 | void (*config_erp) (struct rt2x00_dev *rt2x00dev, |
| 537 | struct rt2x00lib_erp *erp); |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 538 | void (*config_ant) (struct rt2x00_dev *rt2x00dev, |
| 539 | struct antenna_setup *ant); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 540 | void (*config) (struct rt2x00_dev *rt2x00dev, |
| 541 | struct rt2x00lib_conf *libconf, |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 542 | const unsigned int changed_flags); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 543 | }; |
| 544 | |
| 545 | /* |
| 546 | * rt2x00 driver callback operation structure. |
| 547 | */ |
| 548 | struct rt2x00_ops { |
| 549 | const char *name; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 550 | const unsigned int max_sta_intf; |
| 551 | const unsigned int max_ap_intf; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 552 | const unsigned int eeprom_size; |
| 553 | const unsigned int rf_size; |
Gertjan van Wingerde | 61448f8 | 2008-05-10 13:43:33 +0200 | [diff] [blame] | 554 | const unsigned int tx_queues; |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 555 | const struct data_queue_desc *rx; |
| 556 | const struct data_queue_desc *tx; |
| 557 | const struct data_queue_desc *bcn; |
| 558 | const struct data_queue_desc *atim; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 559 | const struct rt2x00lib_ops *lib; |
| 560 | const struct ieee80211_ops *hw; |
| 561 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
| 562 | const struct rt2x00debug *debugfs; |
| 563 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 564 | }; |
| 565 | |
| 566 | /* |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 567 | * rt2x00 device flags |
| 568 | */ |
| 569 | enum rt2x00_flags { |
| 570 | /* |
| 571 | * Device state flags |
| 572 | */ |
Ivo van Doorn | 0262ab0 | 2008-08-29 21:04:26 +0200 | [diff] [blame] | 573 | DEVICE_STATE_PRESENT, |
| 574 | DEVICE_STATE_REGISTERED_HW, |
| 575 | DEVICE_STATE_INITIALIZED, |
| 576 | DEVICE_STATE_STARTED, |
| 577 | DEVICE_STATE_STARTED_SUSPEND, |
| 578 | DEVICE_STATE_ENABLED_RADIO, |
| 579 | DEVICE_STATE_DISABLED_RADIO_HW, |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 580 | |
| 581 | /* |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 582 | * Driver requirements |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 583 | */ |
| 584 | DRIVER_REQUIRE_FIRMWARE, |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 585 | DRIVER_REQUIRE_BEACON_GUARD, |
| 586 | DRIVER_REQUIRE_ATIM_QUEUE, |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 587 | DRIVER_REQUIRE_SCHEDULED, |
Gertjan van Wingerde | c4da004 | 2008-06-16 19:56:31 +0200 | [diff] [blame] | 588 | DRIVER_REQUIRE_DMA, |
Ivo van Doorn | 3f787bd | 2008-12-20 10:56:36 +0100 | [diff] [blame^] | 589 | DRIVER_REQUIRE_COPY_IV, |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 590 | |
| 591 | /* |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 592 | * Driver features |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 593 | */ |
| 594 | CONFIG_SUPPORT_HW_BUTTON, |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 595 | CONFIG_SUPPORT_HW_CRYPTO, |
| 596 | |
| 597 | /* |
| 598 | * Driver configuration |
| 599 | */ |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 600 | CONFIG_FRAME_TYPE, |
| 601 | CONFIG_RF_SEQUENCE, |
| 602 | CONFIG_EXTERNAL_LNA_A, |
| 603 | CONFIG_EXTERNAL_LNA_BG, |
| 604 | CONFIG_DOUBLE_ANTENNA, |
| 605 | CONFIG_DISABLE_LINK_TUNING, |
| 606 | }; |
| 607 | |
| 608 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 609 | * rt2x00 device structure. |
| 610 | */ |
| 611 | struct rt2x00_dev { |
| 612 | /* |
| 613 | * Device structure. |
| 614 | * The structure stored in here depends on the |
| 615 | * system bus (PCI or USB). |
| 616 | * When accessing this variable, the rt2x00dev_{pci,usb} |
| 617 | * macro's should be used for correct typecasting. |
| 618 | */ |
Gertjan van Wingerde | 14a3bf8 | 2008-06-16 19:55:43 +0200 | [diff] [blame] | 619 | struct device *dev; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 620 | |
| 621 | /* |
| 622 | * Callback functions. |
| 623 | */ |
| 624 | const struct rt2x00_ops *ops; |
| 625 | |
| 626 | /* |
| 627 | * IEEE80211 control structure. |
| 628 | */ |
| 629 | struct ieee80211_hw *hw; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 630 | struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
| 631 | enum ieee80211_band curr_band; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 632 | |
| 633 | /* |
| 634 | * rfkill structure for RF state switching support. |
| 635 | * This will only be compiled in when required. |
| 636 | */ |
| 637 | #ifdef CONFIG_RT2X00_LIB_RFKILL |
John W. Linville | 3480a58 | 2008-03-27 19:54:13 -0400 | [diff] [blame] | 638 | unsigned long rfkill_state; |
Ivo van Doorn | 1682fe6 | 2008-03-13 15:38:03 +0100 | [diff] [blame] | 639 | #define RFKILL_STATE_ALLOCATED 1 |
| 640 | #define RFKILL_STATE_REGISTERED 2 |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 641 | struct rfkill *rfkill; |
Ivo van Doorn | 50db787 | 2008-07-04 14:51:39 +0200 | [diff] [blame] | 642 | struct delayed_work rfkill_work; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 643 | #endif /* CONFIG_RT2X00_LIB_RFKILL */ |
| 644 | |
| 645 | /* |
| 646 | * If enabled, the debugfs interface structures |
| 647 | * required for deregistration of debugfs. |
| 648 | */ |
| 649 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 650 | struct rt2x00debug_intf *debugfs_intf; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 651 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 652 | |
| 653 | /* |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 654 | * LED structure for changing the LED status |
| 655 | * by mac8011 or the kernel. |
| 656 | */ |
| 657 | #ifdef CONFIG_RT2X00_LIB_LEDS |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 658 | struct rt2x00_led led_radio; |
| 659 | struct rt2x00_led led_assoc; |
| 660 | struct rt2x00_led led_qual; |
| 661 | u16 led_mcu_reg; |
| 662 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
| 663 | |
| 664 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 665 | * Device flags. |
| 666 | * In these flags the current status and some |
| 667 | * of the device capabilities are stored. |
| 668 | */ |
| 669 | unsigned long flags; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 670 | |
| 671 | /* |
| 672 | * Chipset identification. |
| 673 | */ |
| 674 | struct rt2x00_chip chip; |
| 675 | |
| 676 | /* |
| 677 | * hw capability specifications. |
| 678 | */ |
| 679 | struct hw_mode_spec spec; |
| 680 | |
| 681 | /* |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 682 | * This is the default TX/RX antenna setup as indicated |
Ivo van Doorn | 6d64360 | 2008-11-02 00:38:10 +0100 | [diff] [blame] | 683 | * by the device's EEPROM. |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 684 | */ |
| 685 | struct antenna_setup default_ant; |
| 686 | |
| 687 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 688 | * Register pointers |
Ivo van Doorn | 2179509 | 2008-02-10 22:49:13 +0100 | [diff] [blame] | 689 | * csr.base: CSR base register address. (PCI) |
| 690 | * csr.cache: CSR cache for usb_control_msg. (USB) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 691 | */ |
Ivo van Doorn | 2179509 | 2008-02-10 22:49:13 +0100 | [diff] [blame] | 692 | union csr { |
| 693 | void __iomem *base; |
| 694 | void *cache; |
| 695 | } csr; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 696 | |
| 697 | /* |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 698 | * Mutex to protect register accesses. |
| 699 | * For PCI and USB devices it protects against concurrent indirect |
| 700 | * register access (BBP, RF, MCU) since accessing those |
| 701 | * registers require multiple calls to the CSR registers. |
| 702 | * For USB devices it also protects the csr_cache since that |
| 703 | * field is used for normal CSR access and it cannot support |
| 704 | * multiple callers simultaneously. |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 705 | */ |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 706 | struct mutex csr_mutex; |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 707 | |
| 708 | /* |
Ivo van Doorn | 3c4f208 | 2008-01-06 23:40:49 +0100 | [diff] [blame] | 709 | * Current packet filter configuration for the device. |
| 710 | * This contains all currently active FIF_* flags send |
| 711 | * to us by mac80211 during configure_filter(). |
| 712 | */ |
| 713 | unsigned int packet_filter; |
| 714 | |
| 715 | /* |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 716 | * Interface details: |
| 717 | * - Open ap interface count. |
| 718 | * - Open sta interface count. |
| 719 | * - Association count. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 720 | */ |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 721 | unsigned int intf_ap_count; |
| 722 | unsigned int intf_sta_count; |
| 723 | unsigned int intf_associated; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 724 | |
| 725 | /* |
| 726 | * Link quality |
| 727 | */ |
| 728 | struct link link; |
| 729 | |
| 730 | /* |
| 731 | * EEPROM data. |
| 732 | */ |
| 733 | __le16 *eeprom; |
| 734 | |
| 735 | /* |
| 736 | * Active RF register values. |
| 737 | * These are stored here so we don't need |
| 738 | * to read the rf registers and can directly |
| 739 | * use this value instead. |
| 740 | * This field should be accessed by using |
| 741 | * rt2x00_rf_read() and rt2x00_rf_write(). |
| 742 | */ |
| 743 | u32 *rf; |
| 744 | |
| 745 | /* |
Ivo van Doorn | ba2ab47 | 2008-08-06 16:22:17 +0200 | [diff] [blame] | 746 | * LNA gain |
| 747 | */ |
| 748 | short lna_gain; |
| 749 | |
| 750 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 751 | * Current TX power value. |
| 752 | */ |
| 753 | u16 tx_power; |
| 754 | |
| 755 | /* |
Ivo van Doorn | 42c8285 | 2008-12-02 18:20:04 +0100 | [diff] [blame] | 756 | * Current retry values. |
| 757 | */ |
| 758 | u8 short_retry; |
| 759 | u8 long_retry; |
| 760 | |
| 761 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 762 | * Rssi <-> Dbm offset |
| 763 | */ |
| 764 | u8 rssi_offset; |
| 765 | |
| 766 | /* |
| 767 | * Frequency offset (for rt61pci & rt73usb). |
| 768 | */ |
| 769 | u8 freq_offset; |
| 770 | |
| 771 | /* |
| 772 | * Low level statistics which will have |
| 773 | * to be kept up to date while device is running. |
| 774 | */ |
| 775 | struct ieee80211_low_level_stats low_level_stats; |
| 776 | |
| 777 | /* |
| 778 | * RX configuration information. |
| 779 | */ |
| 780 | struct ieee80211_rx_status rx_status; |
| 781 | |
| 782 | /* |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 783 | * Scheduled work. |
Ivo van Doorn | 8e260c2 | 2008-07-04 13:41:31 +0200 | [diff] [blame] | 784 | * NOTE: intf_work will use ieee80211_iterate_active_interfaces() |
| 785 | * which means it cannot be placed on the hw->workqueue |
| 786 | * due to RTNL locking requirements. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 787 | */ |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 788 | struct work_struct intf_work; |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 789 | struct work_struct filter_work; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 790 | |
| 791 | /* |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 792 | * Data queue arrays for RX, TX and Beacon. |
| 793 | * The Beacon array also contains the Atim queue |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 794 | * if that is supported by the device. |
| 795 | */ |
Ivo van Doorn | b869767 | 2008-06-06 22:53:14 +0200 | [diff] [blame] | 796 | unsigned int data_queues; |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 797 | struct data_queue *rx; |
| 798 | struct data_queue *tx; |
| 799 | struct data_queue *bcn; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 800 | |
| 801 | /* |
| 802 | * Firmware image. |
| 803 | */ |
| 804 | const struct firmware *fw; |
| 805 | }; |
| 806 | |
| 807 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 808 | * Generic RF access. |
| 809 | * The RF is being accessed by word index. |
| 810 | */ |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 811 | static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 812 | const unsigned int word, u32 *data) |
| 813 | { |
| 814 | *data = rt2x00dev->rf[word]; |
| 815 | } |
| 816 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 817 | static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 818 | const unsigned int word, u32 data) |
| 819 | { |
| 820 | rt2x00dev->rf[word] = data; |
| 821 | } |
| 822 | |
| 823 | /* |
| 824 | * Generic EEPROM access. |
| 825 | * The EEPROM is being accessed by word index. |
| 826 | */ |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 827 | static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 828 | const unsigned int word) |
| 829 | { |
| 830 | return (void *)&rt2x00dev->eeprom[word]; |
| 831 | } |
| 832 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 833 | static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 834 | const unsigned int word, u16 *data) |
| 835 | { |
| 836 | *data = le16_to_cpu(rt2x00dev->eeprom[word]); |
| 837 | } |
| 838 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 839 | static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 840 | const unsigned int word, u16 data) |
| 841 | { |
| 842 | rt2x00dev->eeprom[word] = cpu_to_le16(data); |
| 843 | } |
| 844 | |
| 845 | /* |
| 846 | * Chipset handlers |
| 847 | */ |
| 848 | static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev, |
| 849 | const u16 rt, const u16 rf, const u32 rev) |
| 850 | { |
| 851 | INFO(rt2x00dev, |
| 852 | "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n", |
| 853 | rt, rf, rev); |
| 854 | |
| 855 | rt2x00dev->chip.rt = rt; |
| 856 | rt2x00dev->chip.rf = rf; |
| 857 | rt2x00dev->chip.rev = rev; |
| 858 | } |
| 859 | |
| 860 | static inline char rt2x00_rt(const struct rt2x00_chip *chipset, const u16 chip) |
| 861 | { |
| 862 | return (chipset->rt == chip); |
| 863 | } |
| 864 | |
| 865 | static inline char rt2x00_rf(const struct rt2x00_chip *chipset, const u16 chip) |
| 866 | { |
| 867 | return (chipset->rf == chip); |
| 868 | } |
| 869 | |
Ivo van Doorn | 755a957 | 2007-11-12 15:02:22 +0100 | [diff] [blame] | 870 | static inline u16 rt2x00_rev(const struct rt2x00_chip *chipset) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 871 | { |
| 872 | return chipset->rev; |
| 873 | } |
| 874 | |
Ivo van Doorn | 755a957 | 2007-11-12 15:02:22 +0100 | [diff] [blame] | 875 | static inline u16 rt2x00_check_rev(const struct rt2x00_chip *chipset, |
| 876 | const u32 rev) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 877 | { |
Ivo van Doorn | 755a957 | 2007-11-12 15:02:22 +0100 | [diff] [blame] | 878 | return (((chipset->rev & 0xffff0) == rev) && |
| 879 | !!(chipset->rev & 0x0000f)); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 880 | } |
| 881 | |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 882 | /** |
Gertjan van Wingerde | c4da004 | 2008-06-16 19:56:31 +0200 | [diff] [blame] | 883 | * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes. |
| 884 | * @rt2x00dev: Pointer to &struct rt2x00_dev. |
| 885 | * @skb: The skb to map. |
Gertjan van Wingerde | 239c249 | 2008-06-06 22:54:12 +0200 | [diff] [blame] | 886 | */ |
Gertjan van Wingerde | c4da004 | 2008-06-16 19:56:31 +0200 | [diff] [blame] | 887 | void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb); |
Gertjan van Wingerde | 239c249 | 2008-06-06 22:54:12 +0200 | [diff] [blame] | 888 | |
| 889 | /** |
Ivo van Doorn | e58c6ac | 2008-04-21 19:00:47 +0200 | [diff] [blame] | 890 | * rt2x00queue_get_queue - Convert queue index to queue pointer |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 891 | * @rt2x00dev: Pointer to &struct rt2x00_dev. |
Ivo van Doorn | e58c6ac | 2008-04-21 19:00:47 +0200 | [diff] [blame] | 892 | * @queue: rt2x00 queue index (see &enum data_queue_qid). |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 893 | */ |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 894 | struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | e58c6ac | 2008-04-21 19:00:47 +0200 | [diff] [blame] | 895 | const enum data_queue_qid queue); |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 896 | |
| 897 | /** |
| 898 | * rt2x00queue_get_entry - Get queue entry where the given index points to. |
Ivo van Doorn | 9a46d44 | 2008-04-21 19:02:17 +0200 | [diff] [blame] | 899 | * @queue: Pointer to &struct data_queue from where we obtain the entry. |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 900 | * @index: Index identifier for obtaining the correct index. |
| 901 | */ |
| 902 | struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue, |
| 903 | enum queue_index index); |
| 904 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 905 | /* |
| 906 | * Interrupt context handlers. |
| 907 | */ |
| 908 | void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev); |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 909 | void rt2x00lib_txdone(struct queue_entry *entry, |
| 910 | struct txdone_entry_desc *txdesc); |
Gertjan van Wingerde | c4da004 | 2008-06-16 19:56:31 +0200 | [diff] [blame] | 911 | void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev, |
| 912 | struct queue_entry *entry); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 913 | |
| 914 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 915 | * mac80211 handlers. |
| 916 | */ |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 917 | int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 918 | int rt2x00mac_start(struct ieee80211_hw *hw); |
| 919 | void rt2x00mac_stop(struct ieee80211_hw *hw); |
| 920 | int rt2x00mac_add_interface(struct ieee80211_hw *hw, |
| 921 | struct ieee80211_if_init_conf *conf); |
| 922 | void rt2x00mac_remove_interface(struct ieee80211_hw *hw, |
| 923 | struct ieee80211_if_init_conf *conf); |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 924 | int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed); |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 925 | int rt2x00mac_config_interface(struct ieee80211_hw *hw, |
| 926 | struct ieee80211_vif *vif, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 927 | struct ieee80211_if_conf *conf); |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 928 | void rt2x00mac_configure_filter(struct ieee80211_hw *hw, |
| 929 | unsigned int changed_flags, |
| 930 | unsigned int *total_flags, |
| 931 | int mc_count, struct dev_addr_list *mc_list); |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 932 | #ifdef CONFIG_RT2X00_LIB_CRYPTO |
| 933 | int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 934 | const u8 *local_address, const u8 *address, |
| 935 | struct ieee80211_key_conf *key); |
| 936 | #else |
| 937 | #define rt2x00mac_set_key NULL |
| 938 | #endif /* CONFIG_RT2X00_LIB_CRYPTO */ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 939 | int rt2x00mac_get_stats(struct ieee80211_hw *hw, |
| 940 | struct ieee80211_low_level_stats *stats); |
| 941 | int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw, |
| 942 | struct ieee80211_tx_queue_stats *stats); |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 943 | void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, |
| 944 | struct ieee80211_vif *vif, |
| 945 | struct ieee80211_bss_conf *bss_conf, |
| 946 | u32 changes); |
Johannes Berg | e100bb6 | 2008-04-30 18:51:21 +0200 | [diff] [blame] | 947 | int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 948 | const struct ieee80211_tx_queue_params *params); |
| 949 | |
| 950 | /* |
| 951 | * Driver allocation handlers. |
| 952 | */ |
| 953 | int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev); |
| 954 | void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev); |
| 955 | #ifdef CONFIG_PM |
| 956 | int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state); |
| 957 | int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev); |
| 958 | #endif /* CONFIG_PM */ |
| 959 | |
| 960 | #endif /* RT2X00_H */ |