Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1 | /* |
Ivo van Doorn | 7e613e1 | 2010-08-06 20:45:38 +0200 | [diff] [blame] | 2 | Copyright (C) 2010 Willow Garage <http://www.willowgarage.com> |
| 3 | Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com> |
Gertjan van Wingerde | 9c9a0d1 | 2009-11-08 16:39:55 +0100 | [diff] [blame] | 4 | Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com> |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 5 | <http://rt2x00.serialmonkey.com> |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the |
| 19 | Free Software Foundation, Inc., |
| 20 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 21 | */ |
| 22 | |
| 23 | /* |
| 24 | Module: rt2x00 |
| 25 | Abstract: rt2x00 global information. |
| 26 | */ |
| 27 | |
| 28 | #ifndef RT2X00_H |
| 29 | #define RT2X00_H |
| 30 | |
| 31 | #include <linux/bitops.h> |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 32 | #include <linux/skbuff.h> |
| 33 | #include <linux/workqueue.h> |
| 34 | #include <linux/firmware.h> |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 35 | #include <linux/leds.h> |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 36 | #include <linux/mutex.h> |
Mattias Nissler | 61af43c | 2007-11-27 21:50:26 +0100 | [diff] [blame] | 37 | #include <linux/etherdevice.h> |
Ivo van Doorn | cca3e99 | 2009-01-03 19:56:02 +0100 | [diff] [blame] | 38 | #include <linux/input-polldev.h> |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 39 | #include <linux/kfifo.h> |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 40 | |
| 41 | #include <net/mac80211.h> |
| 42 | |
| 43 | #include "rt2x00debug.h" |
Gertjan van Wingerde | b4df470 | 2010-05-13 13:16:36 +0200 | [diff] [blame] | 44 | #include "rt2x00dump.h" |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 45 | #include "rt2x00leds.h" |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 46 | #include "rt2x00reg.h" |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 47 | #include "rt2x00queue.h" |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 48 | |
| 49 | /* |
| 50 | * Module information. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 51 | */ |
Ivo van Doorn | 754be30 | 2008-12-20 11:00:49 +0100 | [diff] [blame] | 52 | #define DRV_VERSION "2.3.0" |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 53 | #define DRV_PROJECT "http://rt2x00.serialmonkey.com" |
| 54 | |
| 55 | /* |
| 56 | * Debug definitions. |
| 57 | * Debug output has to be enabled during compile time. |
| 58 | */ |
| 59 | #define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \ |
| 60 | printk(__kernlvl "%s -> %s: %s - " __msg, \ |
Harvey Harrison | c94c93d | 2008-07-28 23:01:34 -0700 | [diff] [blame] | 61 | wiphy_name((__dev)->hw->wiphy), __func__, __lvl, ##__args) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 62 | |
| 63 | #define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \ |
| 64 | printk(__kernlvl "%s -> %s: %s - " __msg, \ |
Harvey Harrison | c94c93d | 2008-07-28 23:01:34 -0700 | [diff] [blame] | 65 | KBUILD_MODNAME, __func__, __lvl, ##__args) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 66 | |
| 67 | #ifdef CONFIG_RT2X00_DEBUG |
| 68 | #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \ |
Johannes Stezenbach | e85b4c0 | 2010-12-13 12:38:49 +0100 | [diff] [blame] | 69 | DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 70 | #else |
| 71 | #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \ |
| 72 | do { } while (0) |
| 73 | #endif /* CONFIG_RT2X00_DEBUG */ |
| 74 | |
| 75 | /* |
| 76 | * Various debug levels. |
| 77 | * The debug levels PANIC and ERROR both indicate serious problems, |
| 78 | * for this reason they should never be ignored. |
| 79 | * The special ERROR_PROBE message is for messages that are generated |
| 80 | * when the rt2x00_dev is not yet initialized. |
| 81 | */ |
| 82 | #define PANIC(__dev, __msg, __args...) \ |
| 83 | DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args) |
| 84 | #define ERROR(__dev, __msg, __args...) \ |
| 85 | DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args) |
| 86 | #define ERROR_PROBE(__msg, __args...) \ |
| 87 | DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args) |
| 88 | #define WARNING(__dev, __msg, __args...) \ |
| 89 | DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args) |
| 90 | #define NOTICE(__dev, __msg, __args...) \ |
| 91 | DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args) |
| 92 | #define INFO(__dev, __msg, __args...) \ |
| 93 | DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args) |
| 94 | #define DEBUG(__dev, __msg, __args...) \ |
| 95 | DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args) |
| 96 | #define EEPROM(__dev, __msg, __args...) \ |
| 97 | DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args) |
| 98 | |
| 99 | /* |
Ivo van Doorn | bad1363 | 2008-11-09 20:47:00 +0100 | [diff] [blame] | 100 | * Duration calculations |
| 101 | * The rate variable passed is: 100kbs. |
| 102 | * To convert from bytes to bits we multiply size with 8, |
| 103 | * then the size is multiplied with 10 to make the |
| 104 | * real rate -> rate argument correction. |
| 105 | */ |
| 106 | #define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate)) |
| 107 | #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate)) |
| 108 | |
| 109 | /* |
Gertjan van Wingerde | 77e73d1 | 2009-12-04 23:47:01 +0100 | [diff] [blame] | 110 | * Determine the number of L2 padding bytes required between the header and |
| 111 | * the payload. |
| 112 | */ |
| 113 | #define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3) |
| 114 | |
| 115 | /* |
Ivo van Doorn | 9f16617 | 2009-04-26 16:08:50 +0200 | [diff] [blame] | 116 | * Determine the alignment requirement, |
| 117 | * to make sure the 802.11 payload is padded to a 4-byte boundrary |
| 118 | * we must determine the address of the payload and calculate the |
| 119 | * amount of bytes needed to move the data. |
| 120 | */ |
| 121 | #define ALIGN_SIZE(__skb, __header) \ |
| 122 | ( ((unsigned long)((__skb)->data + (__header))) & 3 ) |
| 123 | |
| 124 | /* |
Gertjan van Wingerde | 7a4a77b | 2009-12-30 11:36:30 +0100 | [diff] [blame] | 125 | * Constants for extra TX headroom for alignment purposes. |
| 126 | */ |
| 127 | #define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */ |
| 128 | #define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */ |
| 129 | |
| 130 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 131 | * Standard timing and size defines. |
| 132 | * These values should follow the ieee80211 specifications. |
| 133 | */ |
| 134 | #define ACK_SIZE 14 |
| 135 | #define IEEE80211_HEADER 24 |
| 136 | #define PLCP 48 |
| 137 | #define BEACON 100 |
| 138 | #define PREAMBLE 144 |
| 139 | #define SHORT_PREAMBLE 72 |
| 140 | #define SLOT_TIME 20 |
| 141 | #define SHORT_SLOT_TIME 9 |
| 142 | #define SIFS 10 |
| 143 | #define PIFS ( SIFS + SLOT_TIME ) |
| 144 | #define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME ) |
| 145 | #define DIFS ( PIFS + SLOT_TIME ) |
| 146 | #define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME ) |
Ivo van Doorn | f2fdbc4 | 2008-07-19 16:16:12 +0200 | [diff] [blame] | 147 | #define EIFS ( SIFS + DIFS + \ |
Ivo van Doorn | bad1363 | 2008-11-09 20:47:00 +0100 | [diff] [blame] | 148 | GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) ) |
Ivo van Doorn | f2fdbc4 | 2008-07-19 16:16:12 +0200 | [diff] [blame] | 149 | #define SHORT_EIFS ( SIFS + SHORT_DIFS + \ |
Ivo van Doorn | bad1363 | 2008-11-09 20:47:00 +0100 | [diff] [blame] | 150 | GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) ) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 151 | |
| 152 | /* |
Lars Ericsson | 66679a6 | 2009-08-08 23:54:51 +0200 | [diff] [blame] | 153 | * Structure for average calculation |
| 154 | * The avg field contains the actual average value, |
| 155 | * but avg_weight is internally used during calculations |
| 156 | * to prevent rounding errors. |
| 157 | */ |
| 158 | struct avg_val { |
| 159 | int avg; |
| 160 | int avg_weight; |
| 161 | }; |
| 162 | |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 163 | enum rt2x00_chip_intf { |
| 164 | RT2X00_CHIP_INTF_PCI, |
Gertjan van Wingerde | 6e1fdd1 | 2010-06-03 10:52:00 +0200 | [diff] [blame] | 165 | RT2X00_CHIP_INTF_PCIE, |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 166 | RT2X00_CHIP_INTF_USB, |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 167 | RT2X00_CHIP_INTF_SOC, |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 168 | }; |
| 169 | |
Lars Ericsson | 66679a6 | 2009-08-08 23:54:51 +0200 | [diff] [blame] | 170 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 171 | * Chipset identification |
| 172 | * The chipset on the device is composed of a RT and RF chip. |
| 173 | * The chipset combination is important for determining device capabilities. |
| 174 | */ |
| 175 | struct rt2x00_chip { |
| 176 | u16 rt; |
Gertjan van Wingerde | 49e721e | 2010-02-13 20:55:49 +0100 | [diff] [blame] | 177 | #define RT2460 0x2460 |
| 178 | #define RT2560 0x2560 |
| 179 | #define RT2570 0x2570 |
| 180 | #define RT2661 0x2661 |
| 181 | #define RT2573 0x2573 |
Gertjan van Wingerde | 5ed8f45 | 2010-06-03 10:51:57 +0200 | [diff] [blame] | 182 | #define RT2860 0x2860 /* 2.4GHz */ |
Gertjan van Wingerde | e148b4c | 2010-04-11 14:31:09 +0200 | [diff] [blame] | 183 | #define RT2872 0x2872 /* WSOC */ |
Gertjan van Wingerde | 49e721e | 2010-02-13 20:55:49 +0100 | [diff] [blame] | 184 | #define RT2883 0x2883 /* WSOC */ |
Gertjan van Wingerde | 49e721e | 2010-02-13 20:55:49 +0100 | [diff] [blame] | 185 | #define RT3070 0x3070 |
| 186 | #define RT3071 0x3071 |
Ivo van Doorn | a9b3a9f | 2009-10-15 22:04:14 +0200 | [diff] [blame] | 187 | #define RT3090 0x3090 /* 2.4GHz PCIe */ |
Gertjan van Wingerde | 49e721e | 2010-02-13 20:55:49 +0100 | [diff] [blame] | 188 | #define RT3390 0x3390 |
| 189 | #define RT3572 0x3572 |
Gertjan van Wingerde | e148b4c | 2010-04-11 14:31:09 +0200 | [diff] [blame] | 190 | #define RT3593 0x3593 /* PCIe */ |
| 191 | #define RT3883 0x3883 /* WSOC */ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 192 | |
| 193 | u16 rf; |
Gertjan van Wingerde | 49e721e | 2010-02-13 20:55:49 +0100 | [diff] [blame] | 194 | u16 rev; |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 195 | |
| 196 | enum rt2x00_chip_intf intf; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 197 | }; |
| 198 | |
| 199 | /* |
| 200 | * RF register values that belong to a particular channel. |
| 201 | */ |
| 202 | struct rf_channel { |
| 203 | int channel; |
| 204 | u32 rf1; |
| 205 | u32 rf2; |
| 206 | u32 rf3; |
| 207 | u32 rf4; |
| 208 | }; |
| 209 | |
| 210 | /* |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 211 | * Channel information structure |
| 212 | */ |
| 213 | struct channel_info { |
| 214 | unsigned int flags; |
| 215 | #define GEOGRAPHY_ALLOWED 0x00000001 |
| 216 | |
Ivo van Doorn | 8d1331b | 2010-08-23 19:56:07 +0200 | [diff] [blame] | 217 | short max_power; |
| 218 | short default_power1; |
| 219 | short default_power2; |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 220 | }; |
| 221 | |
| 222 | /* |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 223 | * Antenna setup values. |
| 224 | */ |
| 225 | struct antenna_setup { |
| 226 | enum antenna rx; |
| 227 | enum antenna tx; |
RA-Jay Hung | d96aa64 | 2011-02-20 13:54:52 +0100 | [diff] [blame] | 228 | u8 rx_chain_num; |
| 229 | u8 tx_chain_num; |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 230 | }; |
| 231 | |
| 232 | /* |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 233 | * Quality statistics about the currently active link. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 234 | */ |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 235 | struct link_qual { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 236 | /* |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 237 | * Statistics required for Link tuning by driver |
| 238 | * The rssi value is provided by rt2x00lib during the |
| 239 | * link_tuner() callback function. |
| 240 | * The false_cca field is filled during the link_stats() |
| 241 | * callback function and could be used during the |
| 242 | * link_tuner() callback function. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 243 | */ |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 244 | int rssi; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 245 | int false_cca; |
| 246 | |
| 247 | /* |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 248 | * VGC levels |
| 249 | * Hardware driver will tune the VGC level during each call |
| 250 | * to the link_tuner() callback function. This vgc_level is |
| 251 | * is determined based on the link quality statistics like |
| 252 | * average RSSI and the false CCA count. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 253 | * |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 254 | * In some cases the drivers need to differentiate between |
| 255 | * the currently "desired" VGC level and the level configured |
| 256 | * in the hardware. The latter is important to reduce the |
| 257 | * number of BBP register reads to reduce register access |
| 258 | * overhead. For this reason we store both values here. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 259 | */ |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 260 | u8 vgc_level; |
| 261 | u8 vgc_level_reg; |
| 262 | |
| 263 | /* |
| 264 | * Statistics required for Signal quality calculation. |
| 265 | * These fields might be changed during the link_stats() |
| 266 | * callback function. |
| 267 | */ |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 268 | int rx_success; |
| 269 | int rx_failed; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 270 | int tx_success; |
| 271 | int tx_failed; |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 272 | }; |
| 273 | |
| 274 | /* |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 275 | * Antenna settings about the currently active link. |
| 276 | */ |
| 277 | struct link_ant { |
| 278 | /* |
| 279 | * Antenna flags |
| 280 | */ |
| 281 | unsigned int flags; |
| 282 | #define ANTENNA_RX_DIVERSITY 0x00000001 |
| 283 | #define ANTENNA_TX_DIVERSITY 0x00000002 |
| 284 | #define ANTENNA_MODE_SAMPLE 0x00000004 |
| 285 | |
| 286 | /* |
| 287 | * Currently active TX/RX antenna setup. |
| 288 | * When software diversity is used, this will indicate |
| 289 | * which antenna is actually used at this time. |
| 290 | */ |
| 291 | struct antenna_setup active; |
| 292 | |
| 293 | /* |
Lars Ericsson | 193df18 | 2009-08-08 23:54:24 +0200 | [diff] [blame] | 294 | * RSSI history information for the antenna. |
| 295 | * Used to determine when to switch antenna |
| 296 | * when using software diversity. |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 297 | */ |
Lars Ericsson | 193df18 | 2009-08-08 23:54:24 +0200 | [diff] [blame] | 298 | int rssi_history; |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 299 | |
| 300 | /* |
| 301 | * Current RSSI average of the currently active antenna. |
| 302 | * Similar to the avg_rssi in the link_qual structure |
| 303 | * this value is updated by using the walking average. |
| 304 | */ |
Lars Ericsson | 66679a6 | 2009-08-08 23:54:51 +0200 | [diff] [blame] | 305 | struct avg_val rssi_ant; |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 306 | }; |
| 307 | |
| 308 | /* |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 309 | * To optimize the quality of the link we need to store |
| 310 | * the quality of received frames and periodically |
| 311 | * optimize the link. |
| 312 | */ |
| 313 | struct link { |
| 314 | /* |
| 315 | * Link tuner counter |
| 316 | * The number of times the link has been tuned |
| 317 | * since the radio has been switched on. |
| 318 | */ |
| 319 | u32 count; |
| 320 | |
| 321 | /* |
| 322 | * Quality measurement values. |
| 323 | */ |
| 324 | struct link_qual qual; |
| 325 | |
| 326 | /* |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 327 | * TX/RX antenna setup. |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 328 | */ |
Ivo van Doorn | 69f81a2 | 2007-10-13 16:26:36 +0200 | [diff] [blame] | 329 | struct link_ant ant; |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 330 | |
| 331 | /* |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 332 | * Currently active average RSSI value |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 333 | */ |
Lars Ericsson | 66679a6 | 2009-08-08 23:54:51 +0200 | [diff] [blame] | 334 | struct avg_val avg_rssi; |
Ivo van Doorn | eb20b4e | 2008-12-20 10:54:22 +0100 | [diff] [blame] | 335 | |
| 336 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 337 | * Work structure for scheduling periodic link tuning. |
| 338 | */ |
| 339 | struct delayed_work work; |
Ivo van Doorn | c965c74 | 2010-07-11 12:25:46 +0200 | [diff] [blame] | 340 | |
| 341 | /* |
| 342 | * Work structure for scheduling periodic watchdog monitoring. |
Ivo van Doorn | cdfd2c5c | 2010-10-11 15:37:47 +0200 | [diff] [blame] | 343 | * This work must be scheduled on the kernel workqueue, while |
| 344 | * all other work structures must be queued on the mac80211 |
| 345 | * workqueue. This guarantees that the watchdog can schedule |
| 346 | * other work structures and wait for their completion in order |
| 347 | * to bring the device/driver back into the desired state. |
Ivo van Doorn | c965c74 | 2010-07-11 12:25:46 +0200 | [diff] [blame] | 348 | */ |
| 349 | struct delayed_work watchdog_work; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 350 | }; |
| 351 | |
Helmut Schaa | bfe6a15 | 2010-12-27 15:06:57 +0100 | [diff] [blame] | 352 | enum rt2x00_delayed_flags { |
| 353 | DELAYED_UPDATE_BEACON, |
| 354 | }; |
| 355 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 356 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 357 | * Interface structure |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 358 | * Per interface configuration details, this structure |
| 359 | * is allocated as the private data for ieee80211_vif. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 360 | */ |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 361 | struct rt2x00_intf { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 362 | /* |
Igor Perminov | 17512dc | 2009-08-08 23:55:18 +0200 | [diff] [blame] | 363 | * beacon->skb must be protected with the mutex. |
| 364 | */ |
| 365 | struct mutex beacon_skb_mutex; |
| 366 | |
| 367 | /* |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 368 | * Entry in the beacon queue which belongs to |
| 369 | * this interface. Each interface has its own |
| 370 | * dedicated beacon entry. |
| 371 | */ |
| 372 | struct queue_entry *beacon; |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 373 | bool enable_beacon; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 374 | |
| 375 | /* |
| 376 | * Actions that needed rescheduling. |
| 377 | */ |
Helmut Schaa | bfe6a15 | 2010-12-27 15:06:57 +0100 | [diff] [blame] | 378 | unsigned long delayed_flags; |
Johannes Berg | f591fa5 | 2008-07-10 11:21:26 +0200 | [diff] [blame] | 379 | |
Ivo van Doorn | d4764b2 | 2008-07-28 10:21:16 +0200 | [diff] [blame] | 380 | /* |
| 381 | * Software sequence counter, this is only required |
| 382 | * for hardware which doesn't support hardware |
| 383 | * sequence counting. |
| 384 | */ |
| 385 | spinlock_t seqlock; |
Johannes Berg | f591fa5 | 2008-07-10 11:21:26 +0200 | [diff] [blame] | 386 | u16 seqno; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 387 | }; |
| 388 | |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 389 | 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] | 390 | { |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 391 | return (struct rt2x00_intf *)vif->drv_priv; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 392 | } |
| 393 | |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 394 | /** |
| 395 | * struct hw_mode_spec: Hardware specifications structure |
| 396 | * |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 397 | * Details about the supported modes, rates and channels |
| 398 | * of a particular chipset. This is used by rt2x00lib |
| 399 | * to build the ieee80211_hw_mode array for mac80211. |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 400 | * |
| 401 | * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz). |
| 402 | * @supported_rates: Rate types which are supported (CCK, OFDM). |
| 403 | * @num_channels: Number of supported channels. This is used as array size |
| 404 | * for @tx_power_a, @tx_power_bg and @channels. |
Ivo van Doorn | 9a46d44 | 2008-04-21 19:02:17 +0200 | [diff] [blame] | 405 | * @channels: Device/chipset specific channel values (See &struct rf_channel). |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 406 | * @channels_info: Additional information for channels (See &struct channel_info). |
Ivo van Doorn | 35f00cf | 2009-04-26 16:09:32 +0200 | [diff] [blame] | 407 | * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap). |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 408 | */ |
| 409 | struct hw_mode_spec { |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 410 | unsigned int supported_bands; |
| 411 | #define SUPPORT_BAND_2GHZ 0x00000001 |
| 412 | #define SUPPORT_BAND_5GHZ 0x00000002 |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 413 | |
Ivo van Doorn | 31562e8 | 2008-02-17 17:35:05 +0100 | [diff] [blame] | 414 | unsigned int supported_rates; |
| 415 | #define SUPPORT_RATE_CCK 0x00000001 |
| 416 | #define SUPPORT_RATE_OFDM 0x00000002 |
| 417 | |
| 418 | unsigned int num_channels; |
| 419 | const struct rf_channel *channels; |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 420 | const struct channel_info *channels_info; |
Ivo van Doorn | 35f00cf | 2009-04-26 16:09:32 +0200 | [diff] [blame] | 421 | |
| 422 | struct ieee80211_sta_ht_cap ht; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 423 | }; |
| 424 | |
| 425 | /* |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 426 | * Configuration structure wrapper around the |
| 427 | * mac80211 configuration structure. |
| 428 | * When mac80211 configures the driver, rt2x00lib |
| 429 | * can precalculate values which are equal for all |
| 430 | * rt2x00 drivers. Those values can be stored in here. |
| 431 | */ |
| 432 | struct rt2x00lib_conf { |
| 433 | struct ieee80211_conf *conf; |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 434 | |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 435 | struct rf_channel rf; |
Ivo van Doorn | 8c5e7a5 | 2008-08-04 16:38:47 +0200 | [diff] [blame] | 436 | struct channel_info channel; |
Ivo van Doorn | 5c58ee5 | 2007-10-06 13:34:52 +0200 | [diff] [blame] | 437 | }; |
| 438 | |
| 439 | /* |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 440 | * Configuration structure for erp settings. |
| 441 | */ |
| 442 | struct rt2x00lib_erp { |
| 443 | int short_preamble; |
Ivo van Doorn | e360c4c | 2008-07-09 15:12:06 +0200 | [diff] [blame] | 444 | int cts_protection; |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 445 | |
Johannes Berg | 881d948 | 2009-01-21 15:13:48 +0100 | [diff] [blame] | 446 | u32 basic_rates; |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 447 | |
| 448 | int slot_time; |
| 449 | |
| 450 | short sifs; |
| 451 | short pifs; |
| 452 | short difs; |
| 453 | short eifs; |
Ivo van Doorn | 8a566af | 2009-05-21 19:16:46 +0200 | [diff] [blame] | 454 | |
| 455 | u16 beacon_int; |
Helmut Schaa | 87c1915 | 2010-10-02 11:28:34 +0200 | [diff] [blame] | 456 | u16 ht_opmode; |
Ivo van Doorn | 7281037 | 2008-03-09 22:46:18 +0100 | [diff] [blame] | 457 | }; |
| 458 | |
| 459 | /* |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 460 | * Configuration structure for hardware encryption. |
| 461 | */ |
| 462 | struct rt2x00lib_crypto { |
| 463 | enum cipher cipher; |
| 464 | |
| 465 | enum set_key_cmd cmd; |
| 466 | const u8 *address; |
| 467 | |
| 468 | u32 bssidx; |
| 469 | u32 aid; |
| 470 | |
| 471 | u8 key[16]; |
| 472 | u8 tx_mic[8]; |
| 473 | u8 rx_mic[8]; |
| 474 | }; |
| 475 | |
| 476 | /* |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 477 | * Configuration structure wrapper around the |
| 478 | * rt2x00 interface configuration handler. |
| 479 | */ |
| 480 | struct rt2x00intf_conf { |
| 481 | /* |
| 482 | * Interface type |
| 483 | */ |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 484 | enum nl80211_iftype type; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 485 | |
| 486 | /* |
| 487 | * TSF sync value, this is dependant on the operation type. |
| 488 | */ |
| 489 | enum tsf_sync sync; |
| 490 | |
| 491 | /* |
| 492 | * The MAC and BSSID addressess are simple array of bytes, |
| 493 | * these arrays are little endian, so when sending the addressess |
| 494 | * to the drivers, copy the it into a endian-signed variable. |
| 495 | * |
| 496 | * Note that all devices (except rt2500usb) have 32 bits |
| 497 | * register word sizes. This means that whatever variable we |
| 498 | * pass _must_ be a multiple of 32 bits. Otherwise the device |
| 499 | * might not accept what we are sending to it. |
| 500 | * This will also make it easier for the driver to write |
| 501 | * the data to the device. |
| 502 | */ |
| 503 | __le32 mac[2]; |
| 504 | __le32 bssid[2]; |
| 505 | }; |
| 506 | |
| 507 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 508 | * rt2x00lib callback functions. |
| 509 | */ |
| 510 | struct rt2x00lib_ops { |
| 511 | /* |
| 512 | * Interrupt handlers. |
| 513 | */ |
| 514 | irq_handler_t irq_handler; |
| 515 | |
| 516 | /* |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 517 | * TX status tasklet handler. |
| 518 | */ |
| 519 | void (*txstatus_tasklet) (unsigned long data); |
Helmut Schaa | c5c6576 | 2011-01-30 13:17:52 +0100 | [diff] [blame] | 520 | void (*pretbtt_tasklet) (unsigned long data); |
| 521 | void (*tbtt_tasklet) (unsigned long data); |
| 522 | void (*rxdone_tasklet) (unsigned long data); |
| 523 | void (*autowake_tasklet) (unsigned long data); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 524 | |
| 525 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 526 | * Device init handlers. |
| 527 | */ |
| 528 | int (*probe_hw) (struct rt2x00_dev *rt2x00dev); |
| 529 | char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev); |
Ivo van Doorn | 0cbe006 | 2009-01-28 00:33:47 +0100 | [diff] [blame] | 530 | int (*check_firmware) (struct rt2x00_dev *rt2x00dev, |
| 531 | const u8 *data, const size_t len); |
| 532 | int (*load_firmware) (struct rt2x00_dev *rt2x00dev, |
| 533 | const u8 *data, const size_t len); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 534 | |
| 535 | /* |
| 536 | * Device initialization/deinitialization handlers. |
| 537 | */ |
| 538 | int (*initialize) (struct rt2x00_dev *rt2x00dev); |
| 539 | void (*uninitialize) (struct rt2x00_dev *rt2x00dev); |
| 540 | |
| 541 | /* |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 542 | * queue initialization handlers |
Ivo van Doorn | 837e7f2 | 2008-01-06 23:41:45 +0100 | [diff] [blame] | 543 | */ |
Ivo van Doorn | 798b7ad | 2008-11-08 15:25:33 +0100 | [diff] [blame] | 544 | bool (*get_entry_state) (struct queue_entry *entry); |
| 545 | void (*clear_entry) (struct queue_entry *entry); |
Ivo van Doorn | 837e7f2 | 2008-01-06 23:41:45 +0100 | [diff] [blame] | 546 | |
| 547 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 548 | * Radio control handlers. |
| 549 | */ |
| 550 | int (*set_device_state) (struct rt2x00_dev *rt2x00dev, |
| 551 | enum dev_state state); |
| 552 | int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev); |
Ivo van Doorn | ebcf26d | 2007-10-13 16:26:12 +0200 | [diff] [blame] | 553 | void (*link_stats) (struct rt2x00_dev *rt2x00dev, |
| 554 | struct link_qual *qual); |
Ivo van Doorn | 5352ff6 | 2008-12-20 10:54:54 +0100 | [diff] [blame] | 555 | void (*reset_tuner) (struct rt2x00_dev *rt2x00dev, |
| 556 | struct link_qual *qual); |
| 557 | void (*link_tuner) (struct rt2x00_dev *rt2x00dev, |
| 558 | struct link_qual *qual, const u32 count); |
Ivo van Doorn | dbba306 | 2010-12-13 12:34:54 +0100 | [diff] [blame] | 559 | |
| 560 | /* |
| 561 | * Data queue handlers. |
| 562 | */ |
Ivo van Doorn | c965c74 | 2010-07-11 12:25:46 +0200 | [diff] [blame] | 563 | void (*watchdog) (struct rt2x00_dev *rt2x00dev); |
Ivo van Doorn | dbba306 | 2010-12-13 12:34:54 +0100 | [diff] [blame] | 564 | void (*start_queue) (struct data_queue *queue); |
| 565 | void (*kick_queue) (struct data_queue *queue); |
| 566 | void (*stop_queue) (struct data_queue *queue); |
Ivo van Doorn | 5be6560 | 2010-12-13 12:35:40 +0100 | [diff] [blame] | 567 | void (*flush_queue) (struct data_queue *queue); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 568 | |
| 569 | /* |
| 570 | * TX control handlers |
| 571 | */ |
Ivo van Doorn | 9333145 | 2010-08-23 19:53:39 +0200 | [diff] [blame] | 572 | void (*write_tx_desc) (struct queue_entry *entry, |
Ivo van Doorn | 61486e0 | 2008-05-10 13:42:31 +0200 | [diff] [blame] | 573 | struct txentry_desc *txdesc); |
Gertjan van Wingerde | 76dd5dd | 2010-06-29 21:42:23 +0200 | [diff] [blame] | 574 | void (*write_tx_data) (struct queue_entry *entry, |
| 575 | struct txentry_desc *txdesc); |
Gertjan van Wingerde | f224f4e | 2010-05-08 23:40:25 +0200 | [diff] [blame] | 576 | void (*write_beacon) (struct queue_entry *entry, |
| 577 | struct txentry_desc *txdesc); |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 578 | void (*clear_beacon) (struct queue_entry *entry); |
Ivo van Doorn | f1ca216 | 2008-11-13 23:07:33 +0100 | [diff] [blame] | 579 | int (*get_tx_data_len) (struct queue_entry *entry); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 580 | |
| 581 | /* |
| 582 | * RX control handlers |
| 583 | */ |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 584 | void (*fill_rxdone) (struct queue_entry *entry, |
| 585 | struct rxdone_entry_desc *rxdesc); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 586 | |
| 587 | /* |
| 588 | * Configuration handlers. |
| 589 | */ |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 590 | int (*config_shared_key) (struct rt2x00_dev *rt2x00dev, |
| 591 | struct rt2x00lib_crypto *crypto, |
| 592 | struct ieee80211_key_conf *key); |
| 593 | int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev, |
| 594 | struct rt2x00lib_crypto *crypto, |
| 595 | struct ieee80211_key_conf *key); |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 596 | void (*config_filter) (struct rt2x00_dev *rt2x00dev, |
| 597 | const unsigned int filter_flags); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 598 | void (*config_intf) (struct rt2x00_dev *rt2x00dev, |
| 599 | struct rt2x00_intf *intf, |
| 600 | struct rt2x00intf_conf *conf, |
| 601 | const unsigned int flags); |
| 602 | #define CONFIG_UPDATE_TYPE ( 1 << 1 ) |
| 603 | #define CONFIG_UPDATE_MAC ( 1 << 2 ) |
| 604 | #define CONFIG_UPDATE_BSSID ( 1 << 3 ) |
| 605 | |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 606 | void (*config_erp) (struct rt2x00_dev *rt2x00dev, |
Helmut Schaa | 0204464 | 2010-09-08 20:56:32 +0200 | [diff] [blame] | 607 | struct rt2x00lib_erp *erp, |
| 608 | u32 changed); |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 609 | void (*config_ant) (struct rt2x00_dev *rt2x00dev, |
| 610 | struct antenna_setup *ant); |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 611 | void (*config) (struct rt2x00_dev *rt2x00dev, |
| 612 | struct rt2x00lib_conf *libconf, |
Ivo van Doorn | e4ea1c4 | 2008-10-29 17:17:57 +0100 | [diff] [blame] | 613 | const unsigned int changed_flags); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 614 | }; |
| 615 | |
| 616 | /* |
| 617 | * rt2x00 driver callback operation structure. |
| 618 | */ |
| 619 | struct rt2x00_ops { |
| 620 | const char *name; |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 621 | const unsigned int max_sta_intf; |
| 622 | const unsigned int max_ap_intf; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 623 | const unsigned int eeprom_size; |
| 624 | const unsigned int rf_size; |
Gertjan van Wingerde | 61448f8 | 2008-05-10 13:43:33 +0200 | [diff] [blame] | 625 | const unsigned int tx_queues; |
Gertjan van Wingerde | e6218cc | 2009-11-23 22:44:52 +0100 | [diff] [blame] | 626 | const unsigned int extra_tx_headroom; |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 627 | const struct data_queue_desc *rx; |
| 628 | const struct data_queue_desc *tx; |
| 629 | const struct data_queue_desc *bcn; |
| 630 | const struct data_queue_desc *atim; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 631 | const struct rt2x00lib_ops *lib; |
Ivo van Doorn | e796643 | 2010-07-11 12:31:23 +0200 | [diff] [blame] | 632 | const void *drv; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 633 | const struct ieee80211_ops *hw; |
| 634 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
| 635 | const struct rt2x00debug *debugfs; |
| 636 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 637 | }; |
| 638 | |
| 639 | /* |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 640 | * rt2x00 device flags |
| 641 | */ |
| 642 | enum rt2x00_flags { |
| 643 | /* |
| 644 | * Device state flags |
| 645 | */ |
Ivo van Doorn | 0262ab0 | 2008-08-29 21:04:26 +0200 | [diff] [blame] | 646 | DEVICE_STATE_PRESENT, |
| 647 | DEVICE_STATE_REGISTERED_HW, |
| 648 | DEVICE_STATE_INITIALIZED, |
| 649 | DEVICE_STATE_STARTED, |
Ivo van Doorn | 0262ab0 | 2008-08-29 21:04:26 +0200 | [diff] [blame] | 650 | DEVICE_STATE_ENABLED_RADIO, |
Ivo van Doorn | d8147f9 | 2010-07-11 12:24:47 +0200 | [diff] [blame] | 651 | DEVICE_STATE_SCANNING, |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 652 | |
| 653 | /* |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 654 | * Driver requirements |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 655 | */ |
| 656 | DRIVER_REQUIRE_FIRMWARE, |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 657 | DRIVER_REQUIRE_BEACON_GUARD, |
| 658 | DRIVER_REQUIRE_ATIM_QUEUE, |
Gertjan van Wingerde | c4da004 | 2008-06-16 19:56:31 +0200 | [diff] [blame] | 659 | DRIVER_REQUIRE_DMA, |
Ivo van Doorn | 3f787bd | 2008-12-20 10:56:36 +0100 | [diff] [blame] | 660 | DRIVER_REQUIRE_COPY_IV, |
Ivo van Doorn | 9f16617 | 2009-04-26 16:08:50 +0200 | [diff] [blame] | 661 | DRIVER_REQUIRE_L2PAD, |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 662 | DRIVER_REQUIRE_TXSTATUS_FIFO, |
Johannes Stezenbach | 20ed316 | 2010-11-30 16:49:23 +0100 | [diff] [blame] | 663 | DRIVER_REQUIRE_TASKLET_CONTEXT, |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 664 | |
| 665 | /* |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 666 | * Driver features |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 667 | */ |
| 668 | CONFIG_SUPPORT_HW_BUTTON, |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 669 | CONFIG_SUPPORT_HW_CRYPTO, |
RA-Jay Hung | e90c54b | 2011-02-20 13:55:25 +0100 | [diff] [blame^] | 670 | CONFIG_SUPPORT_POWER_LIMIT, |
Igor Perminov | 1afcfd54 | 2009-08-08 23:55:55 +0200 | [diff] [blame] | 671 | DRIVER_SUPPORT_CONTROL_FILTERS, |
| 672 | DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 673 | DRIVER_SUPPORT_PRE_TBTT_INTERRUPT, |
Ivo van Doorn | 27df2a9 | 2010-07-11 12:24:22 +0200 | [diff] [blame] | 674 | DRIVER_SUPPORT_LINK_TUNING, |
Ivo van Doorn | c965c74 | 2010-07-11 12:25:46 +0200 | [diff] [blame] | 675 | DRIVER_SUPPORT_WATCHDOG, |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 676 | |
| 677 | /* |
| 678 | * Driver configuration |
| 679 | */ |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 680 | CONFIG_FRAME_TYPE, |
| 681 | CONFIG_RF_SEQUENCE, |
| 682 | CONFIG_EXTERNAL_LNA_A, |
| 683 | CONFIG_EXTERNAL_LNA_BG, |
| 684 | CONFIG_DOUBLE_ANTENNA, |
Ivo van Doorn | 35f00cf | 2009-04-26 16:09:32 +0200 | [diff] [blame] | 685 | CONFIG_CHANNEL_HT40, |
Ivo van Doorn | 483272f | 2007-10-06 14:13:06 +0200 | [diff] [blame] | 686 | }; |
| 687 | |
| 688 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 689 | * rt2x00 device structure. |
| 690 | */ |
| 691 | struct rt2x00_dev { |
| 692 | /* |
| 693 | * Device structure. |
| 694 | * The structure stored in here depends on the |
| 695 | * system bus (PCI or USB). |
| 696 | * When accessing this variable, the rt2x00dev_{pci,usb} |
Luis Correia | 4951348 | 2009-07-17 21:39:19 +0200 | [diff] [blame] | 697 | * macros should be used for correct typecasting. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 698 | */ |
Gertjan van Wingerde | 14a3bf8 | 2008-06-16 19:55:43 +0200 | [diff] [blame] | 699 | struct device *dev; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 700 | |
| 701 | /* |
| 702 | * Callback functions. |
| 703 | */ |
| 704 | const struct rt2x00_ops *ops; |
| 705 | |
| 706 | /* |
| 707 | * IEEE80211 control structure. |
| 708 | */ |
| 709 | struct ieee80211_hw *hw; |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 710 | struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
| 711 | enum ieee80211_band curr_band; |
Ivo van Doorn | e5ef5ba | 2010-08-06 20:49:27 +0200 | [diff] [blame] | 712 | int curr_freq; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 713 | |
| 714 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 715 | * If enabled, the debugfs interface structures |
| 716 | * required for deregistration of debugfs. |
| 717 | */ |
| 718 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
Ivo van Doorn | 4d8dd66 | 2007-11-27 21:49:29 +0100 | [diff] [blame] | 719 | struct rt2x00debug_intf *debugfs_intf; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 720 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 721 | |
| 722 | /* |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 723 | * LED structure for changing the LED status |
| 724 | * by mac8011 or the kernel. |
| 725 | */ |
| 726 | #ifdef CONFIG_RT2X00_LIB_LEDS |
Ivo van Doorn | a9450b7 | 2008-02-03 15:53:40 +0100 | [diff] [blame] | 727 | struct rt2x00_led led_radio; |
| 728 | struct rt2x00_led led_assoc; |
| 729 | struct rt2x00_led led_qual; |
| 730 | u16 led_mcu_reg; |
| 731 | #endif /* CONFIG_RT2X00_LIB_LEDS */ |
| 732 | |
| 733 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 734 | * Device flags. |
| 735 | * In these flags the current status and some |
| 736 | * of the device capabilities are stored. |
| 737 | */ |
| 738 | unsigned long flags; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 739 | |
| 740 | /* |
Ivo van Doorn | 440ddada | 2009-03-28 20:51:24 +0100 | [diff] [blame] | 741 | * Device information, Bus IRQ and name (PCI, SoC) |
| 742 | */ |
| 743 | int irq; |
| 744 | const char *name; |
| 745 | |
| 746 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 747 | * Chipset identification. |
| 748 | */ |
| 749 | struct rt2x00_chip chip; |
| 750 | |
| 751 | /* |
| 752 | * hw capability specifications. |
| 753 | */ |
| 754 | struct hw_mode_spec spec; |
| 755 | |
| 756 | /* |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 757 | * This is the default TX/RX antenna setup as indicated |
Ivo van Doorn | 6d64360 | 2008-11-02 00:38:10 +0100 | [diff] [blame] | 758 | * by the device's EEPROM. |
Ivo van Doorn | addc81bd | 2007-10-13 16:26:23 +0200 | [diff] [blame] | 759 | */ |
| 760 | struct antenna_setup default_ant; |
| 761 | |
| 762 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 763 | * Register pointers |
Ivo van Doorn | 2179509 | 2008-02-10 22:49:13 +0100 | [diff] [blame] | 764 | * csr.base: CSR base register address. (PCI) |
| 765 | * csr.cache: CSR cache for usb_control_msg. (USB) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 766 | */ |
Ivo van Doorn | 2179509 | 2008-02-10 22:49:13 +0100 | [diff] [blame] | 767 | union csr { |
| 768 | void __iomem *base; |
| 769 | void *cache; |
| 770 | } csr; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 771 | |
| 772 | /* |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 773 | * Mutex to protect register accesses. |
| 774 | * For PCI and USB devices it protects against concurrent indirect |
| 775 | * register access (BBP, RF, MCU) since accessing those |
| 776 | * registers require multiple calls to the CSR registers. |
| 777 | * For USB devices it also protects the csr_cache since that |
| 778 | * field is used for normal CSR access and it cannot support |
| 779 | * multiple callers simultaneously. |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 780 | */ |
Ivo van Doorn | 8ff48a8 | 2008-11-09 23:40:46 +0100 | [diff] [blame] | 781 | struct mutex csr_mutex; |
Adam Baker | 3d82346 | 2007-10-27 13:43:29 +0200 | [diff] [blame] | 782 | |
| 783 | /* |
Ivo van Doorn | 3c4f208 | 2008-01-06 23:40:49 +0100 | [diff] [blame] | 784 | * Current packet filter configuration for the device. |
| 785 | * This contains all currently active FIF_* flags send |
| 786 | * to us by mac80211 during configure_filter(). |
| 787 | */ |
| 788 | unsigned int packet_filter; |
| 789 | |
| 790 | /* |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 791 | * Interface details: |
| 792 | * - Open ap interface count. |
| 793 | * - Open sta interface count. |
| 794 | * - Association count. |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 795 | * - Beaconing enabled count. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 796 | */ |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 797 | unsigned int intf_ap_count; |
| 798 | unsigned int intf_sta_count; |
| 799 | unsigned int intf_associated; |
Helmut Schaa | 69cf36a | 2011-01-30 13:16:03 +0100 | [diff] [blame] | 800 | unsigned int intf_beaconing; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 801 | |
| 802 | /* |
| 803 | * Link quality |
| 804 | */ |
| 805 | struct link link; |
| 806 | |
| 807 | /* |
| 808 | * EEPROM data. |
| 809 | */ |
| 810 | __le16 *eeprom; |
| 811 | |
| 812 | /* |
| 813 | * Active RF register values. |
| 814 | * These are stored here so we don't need |
| 815 | * to read the rf registers and can directly |
| 816 | * use this value instead. |
| 817 | * This field should be accessed by using |
| 818 | * rt2x00_rf_read() and rt2x00_rf_write(). |
| 819 | */ |
| 820 | u32 *rf; |
| 821 | |
| 822 | /* |
Ivo van Doorn | ba2ab47 | 2008-08-06 16:22:17 +0200 | [diff] [blame] | 823 | * LNA gain |
| 824 | */ |
| 825 | short lna_gain; |
| 826 | |
| 827 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 828 | * Current TX power value. |
| 829 | */ |
| 830 | u16 tx_power; |
| 831 | |
| 832 | /* |
Ivo van Doorn | 42c8285 | 2008-12-02 18:20:04 +0100 | [diff] [blame] | 833 | * Current retry values. |
| 834 | */ |
| 835 | u8 short_retry; |
| 836 | u8 long_retry; |
| 837 | |
| 838 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 839 | * Rssi <-> Dbm offset |
| 840 | */ |
| 841 | u8 rssi_offset; |
| 842 | |
| 843 | /* |
| 844 | * Frequency offset (for rt61pci & rt73usb). |
| 845 | */ |
| 846 | u8 freq_offset; |
| 847 | |
| 848 | /* |
Ivo van Doorn | 35f00cf | 2009-04-26 16:09:32 +0200 | [diff] [blame] | 849 | * Calibration information (for rt2800usb & rt2800pci). |
| 850 | * [0] -> BW20 |
| 851 | * [1] -> BW40 |
| 852 | */ |
| 853 | u8 calibration[2]; |
| 854 | |
| 855 | /* |
Ivo van Doorn | 6b347bf | 2009-05-23 21:09:28 +0200 | [diff] [blame] | 856 | * Beacon interval. |
| 857 | */ |
| 858 | u16 beacon_int; |
| 859 | |
| 860 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 861 | * Low level statistics which will have |
| 862 | * to be kept up to date while device is running. |
| 863 | */ |
| 864 | struct ieee80211_low_level_stats low_level_stats; |
| 865 | |
Ivo van Doorn | 0439f53 | 2011-01-30 13:24:05 +0100 | [diff] [blame] | 866 | /** |
| 867 | * Work queue for all work which should not be placed |
| 868 | * on the mac80211 workqueue (because of dependencies |
| 869 | * between various work structures). |
| 870 | */ |
| 871 | struct workqueue_struct *workqueue; |
| 872 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 873 | /* |
Johannes Berg | 4150c57 | 2007-09-17 01:29:23 -0400 | [diff] [blame] | 874 | * Scheduled work. |
Ivo van Doorn | 8e260c2 | 2008-07-04 13:41:31 +0200 | [diff] [blame] | 875 | * NOTE: intf_work will use ieee80211_iterate_active_interfaces() |
| 876 | * which means it cannot be placed on the hw->workqueue |
| 877 | * due to RTNL locking requirements. |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 878 | */ |
Ivo van Doorn | 6bb40dd | 2008-02-03 15:49:59 +0100 | [diff] [blame] | 879 | struct work_struct intf_work; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 880 | |
Ivo van Doorn | 7e613e1 | 2010-08-06 20:45:38 +0200 | [diff] [blame] | 881 | /** |
| 882 | * Scheduled work for TX/RX done handling (USB devices) |
| 883 | */ |
| 884 | struct work_struct rxdone_work; |
| 885 | struct work_struct txdone_work; |
| 886 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 887 | /* |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 888 | * Data queue arrays for RX, TX and Beacon. |
| 889 | * The Beacon array also contains the Atim queue |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 890 | * if that is supported by the device. |
| 891 | */ |
Ivo van Doorn | b869767 | 2008-06-06 22:53:14 +0200 | [diff] [blame] | 892 | unsigned int data_queues; |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 893 | struct data_queue *rx; |
| 894 | struct data_queue *tx; |
| 895 | struct data_queue *bcn; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 896 | |
| 897 | /* |
| 898 | * Firmware image. |
| 899 | */ |
| 900 | const struct firmware *fw; |
Bartlomiej Zolnierkiewicz | ee134fc | 2009-11-04 18:34:46 +0100 | [diff] [blame] | 901 | |
| 902 | /* |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 903 | * FIFO for storing tx status reports between isr and tasklet. |
| 904 | */ |
Johannes Stezenbach | c4d6324 | 2010-12-27 15:04:29 +0100 | [diff] [blame] | 905 | DECLARE_KFIFO_PTR(txstatus_fifo, u32); |
Helmut Schaa | 96c3da7 | 2010-10-02 11:27:35 +0200 | [diff] [blame] | 906 | |
| 907 | /* |
| 908 | * Tasklet for processing tx status reports (rt2800pci). |
| 909 | */ |
| 910 | struct tasklet_struct txstatus_tasklet; |
Helmut Schaa | c5c6576 | 2011-01-30 13:17:52 +0100 | [diff] [blame] | 911 | struct tasklet_struct pretbtt_tasklet; |
| 912 | struct tasklet_struct tbtt_tasklet; |
| 913 | struct tasklet_struct rxdone_tasklet; |
| 914 | struct tasklet_struct autowake_tasklet; |
| 915 | |
| 916 | /* |
| 917 | * Protect the interrupt mask register. |
| 918 | */ |
| 919 | spinlock_t irqmask_lock; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 920 | }; |
| 921 | |
| 922 | /* |
Bartlomiej Zolnierkiewicz | 1f285f1 | 2009-11-04 18:36:50 +0100 | [diff] [blame] | 923 | * Register defines. |
| 924 | * Some registers require multiple attempts before success, |
| 925 | * in those cases REGISTER_BUSY_COUNT attempts should be |
| 926 | * taken with a REGISTER_BUSY_DELAY interval. |
| 927 | */ |
Ivo van Doorn | ae4ecb9 | 2010-11-13 19:08:14 +0100 | [diff] [blame] | 928 | #define REGISTER_BUSY_COUNT 100 |
Bartlomiej Zolnierkiewicz | 1f285f1 | 2009-11-04 18:36:50 +0100 | [diff] [blame] | 929 | #define REGISTER_BUSY_DELAY 100 |
| 930 | |
| 931 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 932 | * Generic RF access. |
| 933 | * The RF is being accessed by word index. |
| 934 | */ |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 935 | static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 936 | const unsigned int word, u32 *data) |
| 937 | { |
Pavel Roskin | 6b26dea | 2009-08-04 17:48:16 -0400 | [diff] [blame] | 938 | BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32)); |
| 939 | *data = rt2x00dev->rf[word - 1]; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 940 | } |
| 941 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 942 | static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 943 | const unsigned int word, u32 data) |
| 944 | { |
Pavel Roskin | 6b26dea | 2009-08-04 17:48:16 -0400 | [diff] [blame] | 945 | BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32)); |
| 946 | rt2x00dev->rf[word - 1] = data; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 947 | } |
| 948 | |
| 949 | /* |
| 950 | * Generic EEPROM access. |
| 951 | * The EEPROM is being accessed by word index. |
| 952 | */ |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 953 | static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 954 | const unsigned int word) |
| 955 | { |
| 956 | return (void *)&rt2x00dev->eeprom[word]; |
| 957 | } |
| 958 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 959 | static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 960 | const unsigned int word, u16 *data) |
| 961 | { |
| 962 | *data = le16_to_cpu(rt2x00dev->eeprom[word]); |
| 963 | } |
| 964 | |
Adam Baker | 0e14f6d | 2007-10-27 13:41:25 +0200 | [diff] [blame] | 965 | static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 966 | const unsigned int word, u16 data) |
| 967 | { |
| 968 | rt2x00dev->eeprom[word] = cpu_to_le16(data); |
| 969 | } |
| 970 | |
| 971 | /* |
| 972 | * Chipset handlers |
| 973 | */ |
| 974 | static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev, |
Gertjan van Wingerde | 49e721e | 2010-02-13 20:55:49 +0100 | [diff] [blame] | 975 | const u16 rt, const u16 rf, const u16 rev) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 976 | { |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 977 | rt2x00dev->chip.rt = rt; |
| 978 | rt2x00dev->chip.rf = rf; |
| 979 | rt2x00dev->chip.rev = rev; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 980 | |
Gertjan van Wingerde | 16475b0 | 2009-11-14 20:20:35 +0100 | [diff] [blame] | 981 | INFO(rt2x00dev, |
Gertjan van Wingerde | 49e721e | 2010-02-13 20:55:49 +0100 | [diff] [blame] | 982 | "Chipset detected - rt: %04x, rf: %04x, rev: %04x.\n", |
Gertjan van Wingerde | 16475b0 | 2009-11-14 20:20:35 +0100 | [diff] [blame] | 983 | rt2x00dev->chip.rt, rt2x00dev->chip.rf, rt2x00dev->chip.rev); |
| 984 | } |
| 985 | |
Gertjan van Wingerde | 8d0c9b6 | 2010-04-11 14:31:10 +0200 | [diff] [blame] | 986 | static inline bool rt2x00_rt(struct rt2x00_dev *rt2x00dev, const u16 rt) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 987 | { |
Gertjan van Wingerde | 5122d89 | 2009-12-23 00:03:25 +0100 | [diff] [blame] | 988 | return (rt2x00dev->chip.rt == rt); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 989 | } |
| 990 | |
Gertjan van Wingerde | 8d0c9b6 | 2010-04-11 14:31:10 +0200 | [diff] [blame] | 991 | static inline bool rt2x00_rf(struct rt2x00_dev *rt2x00dev, const u16 rf) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 992 | { |
Gertjan van Wingerde | 5122d89 | 2009-12-23 00:03:25 +0100 | [diff] [blame] | 993 | return (rt2x00dev->chip.rf == rf); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 994 | } |
| 995 | |
Gertjan van Wingerde | 49e721e | 2010-02-13 20:55:49 +0100 | [diff] [blame] | 996 | static inline u16 rt2x00_rev(struct rt2x00_dev *rt2x00dev) |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 997 | { |
Gertjan van Wingerde | 5122d89 | 2009-12-23 00:03:25 +0100 | [diff] [blame] | 998 | return rt2x00dev->chip.rev; |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 999 | } |
| 1000 | |
Gertjan van Wingerde | 8d0c9b6 | 2010-04-11 14:31:10 +0200 | [diff] [blame] | 1001 | static inline bool rt2x00_rt_rev(struct rt2x00_dev *rt2x00dev, |
| 1002 | const u16 rt, const u16 rev) |
| 1003 | { |
| 1004 | return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) == rev); |
| 1005 | } |
| 1006 | |
| 1007 | static inline bool rt2x00_rt_rev_lt(struct rt2x00_dev *rt2x00dev, |
| 1008 | const u16 rt, const u16 rev) |
| 1009 | { |
| 1010 | return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) < rev); |
| 1011 | } |
| 1012 | |
| 1013 | static inline bool rt2x00_rt_rev_gte(struct rt2x00_dev *rt2x00dev, |
| 1014 | const u16 rt, const u16 rev) |
| 1015 | { |
| 1016 | return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) >= rev); |
| 1017 | } |
| 1018 | |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 1019 | static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev, |
| 1020 | enum rt2x00_chip_intf intf) |
| 1021 | { |
| 1022 | rt2x00dev->chip.intf = intf; |
| 1023 | } |
| 1024 | |
Gertjan van Wingerde | 5122d89 | 2009-12-23 00:03:25 +0100 | [diff] [blame] | 1025 | static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev, |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 1026 | enum rt2x00_chip_intf intf) |
| 1027 | { |
Gertjan van Wingerde | 5122d89 | 2009-12-23 00:03:25 +0100 | [diff] [blame] | 1028 | return (rt2x00dev->chip.intf == intf); |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 1029 | } |
| 1030 | |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 1031 | static inline bool rt2x00_is_pci(struct rt2x00_dev *rt2x00dev) |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 1032 | { |
Gertjan van Wingerde | 6e1fdd1 | 2010-06-03 10:52:00 +0200 | [diff] [blame] | 1033 | return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI) || |
| 1034 | rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE); |
| 1035 | } |
| 1036 | |
| 1037 | static inline bool rt2x00_is_pcie(struct rt2x00_dev *rt2x00dev) |
| 1038 | { |
| 1039 | return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE); |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 1040 | } |
| 1041 | |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 1042 | static inline bool rt2x00_is_usb(struct rt2x00_dev *rt2x00dev) |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 1043 | { |
Gertjan van Wingerde | 5122d89 | 2009-12-23 00:03:25 +0100 | [diff] [blame] | 1044 | return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB); |
Bartlomiej Zolnierkiewicz | 5822e07 | 2009-11-04 18:36:10 +0100 | [diff] [blame] | 1045 | } |
| 1046 | |
Gertjan van Wingerde | cea90e5 | 2010-02-13 20:55:47 +0100 | [diff] [blame] | 1047 | static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev) |
| 1048 | { |
| 1049 | return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC); |
| 1050 | } |
| 1051 | |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1052 | /** |
Gertjan van Wingerde | c4da004 | 2008-06-16 19:56:31 +0200 | [diff] [blame] | 1053 | * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes. |
Ivo van Doorn | fa69560 | 2010-10-11 15:37:25 +0200 | [diff] [blame] | 1054 | * @entry: Pointer to &struct queue_entry |
Gertjan van Wingerde | 239c249 | 2008-06-06 22:54:12 +0200 | [diff] [blame] | 1055 | */ |
Ivo van Doorn | fa69560 | 2010-10-11 15:37:25 +0200 | [diff] [blame] | 1056 | void rt2x00queue_map_txskb(struct queue_entry *entry); |
Gertjan van Wingerde | 239c249 | 2008-06-06 22:54:12 +0200 | [diff] [blame] | 1057 | |
| 1058 | /** |
Gertjan van Wingerde | 0b8004a | 2010-06-03 10:51:45 +0200 | [diff] [blame] | 1059 | * rt2x00queue_unmap_skb - Unmap a skb from DMA. |
Ivo van Doorn | fa69560 | 2010-10-11 15:37:25 +0200 | [diff] [blame] | 1060 | * @entry: Pointer to &struct queue_entry |
Gertjan van Wingerde | 0b8004a | 2010-06-03 10:51:45 +0200 | [diff] [blame] | 1061 | */ |
Ivo van Doorn | fa69560 | 2010-10-11 15:37:25 +0200 | [diff] [blame] | 1062 | void rt2x00queue_unmap_skb(struct queue_entry *entry); |
Gertjan van Wingerde | 0b8004a | 2010-06-03 10:51:45 +0200 | [diff] [blame] | 1063 | |
| 1064 | /** |
Ivo van Doorn | e58c6ac | 2008-04-21 19:00:47 +0200 | [diff] [blame] | 1065 | * rt2x00queue_get_queue - Convert queue index to queue pointer |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1066 | * @rt2x00dev: Pointer to &struct rt2x00_dev. |
Ivo van Doorn | e58c6ac | 2008-04-21 19:00:47 +0200 | [diff] [blame] | 1067 | * @queue: rt2x00 queue index (see &enum data_queue_qid). |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1068 | */ |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1069 | struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev, |
Ivo van Doorn | e58c6ac | 2008-04-21 19:00:47 +0200 | [diff] [blame] | 1070 | const enum data_queue_qid queue); |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1071 | |
| 1072 | /** |
| 1073 | * 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] | 1074 | * @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] | 1075 | * @index: Index identifier for obtaining the correct index. |
| 1076 | */ |
| 1077 | struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue, |
| 1078 | enum queue_index index); |
| 1079 | |
Ivo van Doorn | 0b7fde5 | 2010-12-13 12:35:17 +0100 | [diff] [blame] | 1080 | /** |
| 1081 | * rt2x00queue_pause_queue - Pause a data queue |
| 1082 | * @queue: Pointer to &struct data_queue. |
| 1083 | * |
| 1084 | * This function will pause the data queue locally, preventing |
| 1085 | * new frames to be added to the queue (while the hardware is |
| 1086 | * still allowed to run). |
| 1087 | */ |
| 1088 | void rt2x00queue_pause_queue(struct data_queue *queue); |
| 1089 | |
| 1090 | /** |
| 1091 | * rt2x00queue_unpause_queue - unpause a data queue |
| 1092 | * @queue: Pointer to &struct data_queue. |
| 1093 | * |
| 1094 | * This function will unpause the data queue locally, allowing |
| 1095 | * new frames to be added to the queue again. |
| 1096 | */ |
| 1097 | void rt2x00queue_unpause_queue(struct data_queue *queue); |
| 1098 | |
| 1099 | /** |
| 1100 | * rt2x00queue_start_queue - Start a data queue |
| 1101 | * @queue: Pointer to &struct data_queue. |
| 1102 | * |
| 1103 | * This function will start handling all pending frames in the queue. |
| 1104 | */ |
| 1105 | void rt2x00queue_start_queue(struct data_queue *queue); |
| 1106 | |
| 1107 | /** |
| 1108 | * rt2x00queue_stop_queue - Halt a data queue |
| 1109 | * @queue: Pointer to &struct data_queue. |
| 1110 | * |
| 1111 | * This function will stop all pending frames in the queue. |
| 1112 | */ |
| 1113 | void rt2x00queue_stop_queue(struct data_queue *queue); |
| 1114 | |
| 1115 | /** |
Ivo van Doorn | 5be6560 | 2010-12-13 12:35:40 +0100 | [diff] [blame] | 1116 | * rt2x00queue_flush_queue - Flush a data queue |
| 1117 | * @queue: Pointer to &struct data_queue. |
| 1118 | * @drop: True to drop all pending frames. |
| 1119 | * |
| 1120 | * This function will flush the queue. After this call |
| 1121 | * the queue is guarenteed to be empty. |
| 1122 | */ |
| 1123 | void rt2x00queue_flush_queue(struct data_queue *queue, bool drop); |
| 1124 | |
| 1125 | /** |
Ivo van Doorn | 0b7fde5 | 2010-12-13 12:35:17 +0100 | [diff] [blame] | 1126 | * rt2x00queue_start_queues - Start all data queues |
| 1127 | * @rt2x00dev: Pointer to &struct rt2x00_dev. |
| 1128 | * |
| 1129 | * This function will loop through all available queues to start them |
| 1130 | */ |
| 1131 | void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev); |
| 1132 | |
| 1133 | /** |
| 1134 | * rt2x00queue_stop_queues - Halt all data queues |
| 1135 | * @rt2x00dev: Pointer to &struct rt2x00_dev. |
| 1136 | * |
| 1137 | * This function will loop through all available queues to stop |
| 1138 | * any pending frames. |
| 1139 | */ |
| 1140 | void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev); |
| 1141 | |
Ivo van Doorn | 5be6560 | 2010-12-13 12:35:40 +0100 | [diff] [blame] | 1142 | /** |
| 1143 | * rt2x00queue_flush_queues - Flush all data queues |
| 1144 | * @rt2x00dev: Pointer to &struct rt2x00_dev. |
| 1145 | * @drop: True to drop all pending frames. |
| 1146 | * |
| 1147 | * This function will loop through all available queues to flush |
| 1148 | * any pending frames. |
| 1149 | */ |
| 1150 | void rt2x00queue_flush_queues(struct rt2x00_dev *rt2x00dev, bool drop); |
| 1151 | |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1152 | /* |
Gertjan van Wingerde | b4df470 | 2010-05-13 13:16:36 +0200 | [diff] [blame] | 1153 | * Debugfs handlers. |
| 1154 | */ |
| 1155 | /** |
| 1156 | * rt2x00debug_dump_frame - Dump a frame to userspace through debugfs. |
| 1157 | * @rt2x00dev: Pointer to &struct rt2x00_dev. |
| 1158 | * @type: The type of frame that is being dumped. |
| 1159 | * @skb: The skb containing the frame to be dumped. |
| 1160 | */ |
| 1161 | #ifdef CONFIG_RT2X00_LIB_DEBUGFS |
| 1162 | void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, |
| 1163 | enum rt2x00_dump_type type, struct sk_buff *skb); |
| 1164 | #else |
| 1165 | static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, |
| 1166 | enum rt2x00_dump_type type, |
| 1167 | struct sk_buff *skb) |
| 1168 | { |
| 1169 | } |
| 1170 | #endif /* CONFIG_RT2X00_LIB_DEBUGFS */ |
| 1171 | |
| 1172 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1173 | * Interrupt context handlers. |
| 1174 | */ |
| 1175 | void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev); |
Helmut Schaa | 9f926fb | 2010-07-11 12:28:23 +0200 | [diff] [blame] | 1176 | void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev); |
Ivo van Doorn | 64e7d72 | 2010-12-13 12:36:00 +0100 | [diff] [blame] | 1177 | void rt2x00lib_dmastart(struct queue_entry *entry); |
Ivo van Doorn | 652a9dd | 2010-08-30 21:15:19 +0200 | [diff] [blame] | 1178 | void rt2x00lib_dmadone(struct queue_entry *entry); |
Ivo van Doorn | 181d690 | 2008-02-05 16:42:23 -0500 | [diff] [blame] | 1179 | void rt2x00lib_txdone(struct queue_entry *entry, |
| 1180 | struct txdone_entry_desc *txdesc); |
Ivo van Doorn | 3392bec | 2010-08-06 20:46:53 +0200 | [diff] [blame] | 1181 | void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status); |
Ivo van Doorn | fa69560 | 2010-10-11 15:37:25 +0200 | [diff] [blame] | 1182 | void rt2x00lib_rxdone(struct queue_entry *entry); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1183 | |
| 1184 | /* |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1185 | * mac80211 handlers. |
| 1186 | */ |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 1187 | int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1188 | int rt2x00mac_start(struct ieee80211_hw *hw); |
| 1189 | void rt2x00mac_stop(struct ieee80211_hw *hw); |
| 1190 | int rt2x00mac_add_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1191 | struct ieee80211_vif *vif); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1192 | void rt2x00mac_remove_interface(struct ieee80211_hw *hw, |
Johannes Berg | 1ed32e4 | 2009-12-23 13:15:45 +0100 | [diff] [blame] | 1193 | struct ieee80211_vif *vif); |
Johannes Berg | e897558 | 2008-10-09 12:18:51 +0200 | [diff] [blame] | 1194 | int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed); |
Ivo van Doorn | 3a643d2 | 2008-03-25 14:13:18 +0100 | [diff] [blame] | 1195 | void rt2x00mac_configure_filter(struct ieee80211_hw *hw, |
| 1196 | unsigned int changed_flags, |
| 1197 | unsigned int *total_flags, |
Johannes Berg | 3ac64be | 2009-08-17 16:16:53 +0200 | [diff] [blame] | 1198 | u64 multicast); |
Stefan Steuerwald | 930c06f | 2009-07-10 20:42:55 +0200 | [diff] [blame] | 1199 | int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, |
| 1200 | bool set); |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 1201 | #ifdef CONFIG_RT2X00_LIB_CRYPTO |
| 1202 | int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
Johannes Berg | dc822b5 | 2008-12-29 12:55:09 +0100 | [diff] [blame] | 1203 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
Ivo van Doorn | 2bb057d | 2008-08-04 16:37:44 +0200 | [diff] [blame] | 1204 | struct ieee80211_key_conf *key); |
| 1205 | #else |
| 1206 | #define rt2x00mac_set_key NULL |
| 1207 | #endif /* CONFIG_RT2X00_LIB_CRYPTO */ |
Ivo van Doorn | d8147f9 | 2010-07-11 12:24:47 +0200 | [diff] [blame] | 1208 | void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw); |
| 1209 | void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1210 | int rt2x00mac_get_stats(struct ieee80211_hw *hw, |
| 1211 | struct ieee80211_low_level_stats *stats); |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 1212 | void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, |
| 1213 | struct ieee80211_vif *vif, |
| 1214 | struct ieee80211_bss_conf *bss_conf, |
| 1215 | u32 changes); |
Johannes Berg | e100bb6 | 2008-04-30 18:51:21 +0200 | [diff] [blame] | 1216 | int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue, |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1217 | const struct ieee80211_tx_queue_params *params); |
Ivo van Doorn | e47a5cd | 2009-07-01 15:17:35 +0200 | [diff] [blame] | 1218 | void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw); |
Ivo van Doorn | f44df18 | 2010-11-04 20:40:11 +0100 | [diff] [blame] | 1219 | void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop); |
Ivo van Doorn | 95ea362 | 2007-09-25 17:57:13 -0700 | [diff] [blame] | 1220 | |
| 1221 | /* |
| 1222 | * Driver allocation handlers. |
| 1223 | */ |
| 1224 | int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev); |
| 1225 | void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev); |
| 1226 | #ifdef CONFIG_PM |
| 1227 | int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state); |
| 1228 | int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev); |
| 1229 | #endif /* CONFIG_PM */ |
| 1230 | |
| 1231 | #endif /* RT2X00_H */ |