1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /****************************************************************************** 3 * 4 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. 5 * 6 * Contact Information: 7 * Intel Linux Wireless <ilw@linux.intel.com> 8 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 9 * 10 *****************************************************************************/ 11 #ifndef __il_core_h__ 12 #define __il_core_h__ 13 14 #include <linux/interrupt.h> 15 #include <linux/pci.h> /* for struct pci_device_id */ 16 #include <linux/kernel.h> 17 #include <linux/leds.h> 18 #include <linux/wait.h> 19 #include <linux/io.h> 20 #include <net/mac80211.h> 21 #include <net/ieee80211_radiotap.h> 22 23 #include "commands.h" 24 #include "csr.h" 25 #include "prph.h" 26 27 struct il_host_cmd; 28 struct il_cmd; 29 struct il_tx_queue; 30 31 #define IL_ERR(f, a...) dev_err(&il->pci_dev->dev, f, ## a) 32 #define IL_WARN(f, a...) dev_warn(&il->pci_dev->dev, f, ## a) 33 #define IL_WARN_ONCE(f, a...) dev_warn_once(&il->pci_dev->dev, f, ## a) 34 #define IL_INFO(f, a...) dev_info(&il->pci_dev->dev, f, ## a) 35 36 #define RX_QUEUE_SIZE 256 37 #define RX_QUEUE_MASK 255 38 #define RX_QUEUE_SIZE_LOG 8 39 40 /* 41 * RX related structures and functions 42 */ 43 #define RX_FREE_BUFFERS 64 44 #define RX_LOW_WATERMARK 8 45 46 #define U32_PAD(n) ((4-(n))&0x3) 47 48 /* CT-KILL constants */ 49 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 50 51 /* Default noise level to report when noise measurement is not available. 52 * This may be because we're: 53 * 1) Not associated (4965, no beacon stats being sent to driver) 54 * 2) Scanning (noise measurement does not apply to associated channel) 55 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 56 * Use default noise value of -127 ... this is below the range of measurable 57 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 58 * Also, -127 works better than 0 when averaging frames with/without 59 * noise info (e.g. averaging might be done in app); measured dBm values are 60 * always negative ... using a negative value as the default keeps all 61 * averages within an s8's (used in some apps) range of negative values. */ 62 #define IL_NOISE_MEAS_NOT_AVAILABLE (-127) 63 64 /* 65 * RTS threshold here is total size [2347] minus 4 FCS bytes 66 * Per spec: 67 * a value of 0 means RTS on all data/management packets 68 * a value > max MSDU size means no RTS 69 * else RTS for data/management frames where MPDU is larger 70 * than RTS value. 71 */ 72 #define DEFAULT_RTS_THRESHOLD 2347U 73 #define MIN_RTS_THRESHOLD 0U 74 #define MAX_RTS_THRESHOLD 2347U 75 #define MAX_MSDU_SIZE 2304U 76 #define MAX_MPDU_SIZE 2346U 77 #define DEFAULT_BEACON_INTERVAL 100U 78 #define DEFAULT_SHORT_RETRY_LIMIT 7U 79 #define DEFAULT_LONG_RETRY_LIMIT 4U 80 81 struct il_rx_buf { 82 dma_addr_t page_dma; 83 struct page *page; 84 struct list_head list; 85 }; 86 87 #define rxb_addr(r) page_address(r->page) 88 89 /* defined below */ 90 struct il_device_cmd; 91 92 struct il_cmd_meta { 93 /* only for SYNC commands, iff the reply skb is wanted */ 94 struct il_host_cmd *source; 95 /* 96 * only for ASYNC commands 97 * (which is somewhat stupid -- look at common.c for instance 98 * which duplicates a bunch of code because the callback isn't 99 * invoked for SYNC commands, if it were and its result passed 100 * through it would be simpler...) 101 */ 102 void (*callback) (struct il_priv *il, struct il_device_cmd *cmd, 103 struct il_rx_pkt *pkt); 104 105 /* The CMD_SIZE_HUGE flag bit indicates that the command 106 * structure is stored at the end of the shared queue memory. */ 107 u32 flags; 108 109 DEFINE_DMA_UNMAP_ADDR(mapping); 110 DEFINE_DMA_UNMAP_LEN(len); 111 }; 112 113 /* 114 * Generic queue structure 115 * 116 * Contains common data for Rx and Tx queues 117 */ 118 struct il_queue { 119 int n_bd; /* number of BDs in this queue */ 120 int write_ptr; /* 1-st empty entry (idx) host_w */ 121 int read_ptr; /* last used entry (idx) host_r */ 122 /* use for monitoring and recovering the stuck queue */ 123 dma_addr_t dma_addr; /* physical addr for BD's */ 124 int n_win; /* safe queue win */ 125 u32 id; 126 int low_mark; /* low watermark, resume queue if free 127 * space more than this */ 128 int high_mark; /* high watermark, stop queue if free 129 * space less than this */ 130 }; 131 132 /** 133 * struct il_tx_queue - Tx Queue for DMA 134 * @q: generic Rx/Tx queue descriptor 135 * @bd: base of circular buffer of TFDs 136 * @cmd: array of command/TX buffer pointers 137 * @meta: array of meta data for each command/tx buffer 138 * @dma_addr_cmd: physical address of cmd/tx buffer array 139 * @skbs: array of per-TFD socket buffer pointers 140 * @time_stamp: time (in jiffies) of last read_ptr change 141 * @need_update: indicates need to update read/write idx 142 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 143 * 144 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 145 * descriptors) and required locking structures. 146 */ 147 #define TFD_TX_CMD_SLOTS 256 148 #define TFD_CMD_SLOTS 32 149 150 struct il_tx_queue { 151 struct il_queue q; 152 void *tfds; 153 struct il_device_cmd **cmd; 154 struct il_cmd_meta *meta; 155 struct sk_buff **skbs; 156 unsigned long time_stamp; 157 u8 need_update; 158 u8 sched_retry; 159 u8 active; 160 u8 swq_id; 161 }; 162 163 /* 164 * EEPROM access time values: 165 * 166 * Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG. 167 * Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1). 168 * When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec. 169 * Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG. 170 */ 171 #define IL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */ 172 173 #define IL_EEPROM_SEM_TIMEOUT 10 /* microseconds */ 174 #define IL_EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 175 176 /* 177 * Regulatory channel usage flags in EEPROM struct il4965_eeprom_channel.flags. 178 * 179 * IBSS and/or AP operation is allowed *only* on those channels with 180 * (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because 181 * RADAR detection is not supported by the 4965 driver, but is a 182 * requirement for establishing a new network for legal operation on channels 183 * requiring RADAR detection or restricting ACTIVE scanning. 184 * 185 * NOTE: "WIDE" flag does not indicate anything about "HT40" 40 MHz channels. 186 * It only indicates that 20 MHz channel use is supported; HT40 channel 187 * usage is indicated by a separate set of regulatory flags for each 188 * HT40 channel pair. 189 * 190 * NOTE: Using a channel inappropriately will result in a uCode error! 191 */ 192 #define IL_NUM_TX_CALIB_GROUPS 5 193 enum { 194 EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */ 195 EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */ 196 /* Bit 2 Reserved */ 197 EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */ 198 EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */ 199 EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */ 200 /* Bit 6 Reserved (was Narrow Channel) */ 201 EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */ 202 }; 203 204 /* SKU Capabilities */ 205 /* 3945 only */ 206 #define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0) 207 #define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1) 208 209 /* *regulatory* channel data format in eeprom, one for each channel. 210 * There are separate entries for HT40 (40 MHz) vs. normal (20 MHz) channels. */ 211 struct il_eeprom_channel { 212 u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */ 213 s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */ 214 } __packed; 215 216 /* 3945 Specific */ 217 #define EEPROM_3945_EEPROM_VERSION (0x2f) 218 219 /* 4965 has two radio transmitters (and 3 radio receivers) */ 220 #define EEPROM_TX_POWER_TX_CHAINS (2) 221 222 /* 4965 has room for up to 8 sets of txpower calibration data */ 223 #define EEPROM_TX_POWER_BANDS (8) 224 225 /* 4965 factory calibration measures txpower gain settings for 226 * each of 3 target output levels */ 227 #define EEPROM_TX_POWER_MEASUREMENTS (3) 228 229 /* 4965 Specific */ 230 /* 4965 driver does not work with txpower calibration version < 5 */ 231 #define EEPROM_4965_TX_POWER_VERSION (5) 232 #define EEPROM_4965_EEPROM_VERSION (0x2f) 233 #define EEPROM_4965_CALIB_VERSION_OFFSET (2*0xB6) /* 2 bytes */ 234 #define EEPROM_4965_CALIB_TXPOWER_OFFSET (2*0xE8) /* 48 bytes */ 235 #define EEPROM_4965_BOARD_REVISION (2*0x4F) /* 2 bytes */ 236 #define EEPROM_4965_BOARD_PBA (2*0x56+1) /* 9 bytes */ 237 238 /* 2.4 GHz */ 239 extern const u8 il_eeprom_band_1[14]; 240 241 /* 242 * factory calibration data for one txpower level, on one channel, 243 * measured on one of the 2 tx chains (radio transmitter and associated 244 * antenna). EEPROM contains: 245 * 246 * 1) Temperature (degrees Celsius) of device when measurement was made. 247 * 248 * 2) Gain table idx used to achieve the target measurement power. 249 * This refers to the "well-known" gain tables (see 4965.h). 250 * 251 * 3) Actual measured output power, in half-dBm ("34" = 17 dBm). 252 * 253 * 4) RF power amplifier detector level measurement (not used). 254 */ 255 struct il_eeprom_calib_measure { 256 u8 temperature; /* Device temperature (Celsius) */ 257 u8 gain_idx; /* Index into gain table */ 258 u8 actual_pow; /* Measured RF output power, half-dBm */ 259 s8 pa_det; /* Power amp detector level (not used) */ 260 } __packed; 261 262 /* 263 * measurement set for one channel. EEPROM contains: 264 * 265 * 1) Channel number measured 266 * 267 * 2) Measurements for each of 3 power levels for each of 2 radio transmitters 268 * (a.k.a. "tx chains") (6 measurements altogether) 269 */ 270 struct il_eeprom_calib_ch_info { 271 u8 ch_num; 272 struct il_eeprom_calib_measure 273 measurements[EEPROM_TX_POWER_TX_CHAINS] 274 [EEPROM_TX_POWER_MEASUREMENTS]; 275 } __packed; 276 277 /* 278 * txpower subband info. 279 * 280 * For each frequency subband, EEPROM contains the following: 281 * 282 * 1) First and last channels within range of the subband. "0" values 283 * indicate that this sample set is not being used. 284 * 285 * 2) Sample measurement sets for 2 channels close to the range endpoints. 286 */ 287 struct il_eeprom_calib_subband_info { 288 u8 ch_from; /* channel number of lowest channel in subband */ 289 u8 ch_to; /* channel number of highest channel in subband */ 290 struct il_eeprom_calib_ch_info ch1; 291 struct il_eeprom_calib_ch_info ch2; 292 } __packed; 293 294 /* 295 * txpower calibration info. EEPROM contains: 296 * 297 * 1) Factory-measured saturation power levels (maximum levels at which 298 * tx power amplifier can output a signal without too much distortion). 299 * There is one level for 2.4 GHz band and one for 5 GHz band. These 300 * values apply to all channels within each of the bands. 301 * 302 * 2) Factory-measured power supply voltage level. This is assumed to be 303 * constant (i.e. same value applies to all channels/bands) while the 304 * factory measurements are being made. 305 * 306 * 3) Up to 8 sets of factory-measured txpower calibration values. 307 * These are for different frequency ranges, since txpower gain 308 * characteristics of the analog radio circuitry vary with frequency. 309 * 310 * Not all sets need to be filled with data; 311 * struct il_eeprom_calib_subband_info contains range of channels 312 * (0 if unused) for each set of data. 313 */ 314 struct il_eeprom_calib_info { 315 u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */ 316 u8 saturation_power52; /* half-dBm */ 317 __le16 voltage; /* signed */ 318 struct il_eeprom_calib_subband_info band_info[EEPROM_TX_POWER_BANDS]; 319 } __packed; 320 321 /* General */ 322 #define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */ 323 #define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */ 324 #define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */ 325 #define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */ 326 #define EEPROM_VERSION (2*0x44) /* 2 bytes */ 327 #define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */ 328 #define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */ 329 #define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */ 330 #define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */ 331 #define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */ 332 333 /* The following masks are to be applied on EEPROM_RADIO_CONFIG */ 334 #define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */ 335 #define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */ 336 #define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */ 337 #define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */ 338 #define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */ 339 #define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */ 340 341 #define EEPROM_3945_RF_CFG_TYPE_MAX 0x0 342 #define EEPROM_4965_RF_CFG_TYPE_MAX 0x1 343 344 /* 345 * Per-channel regulatory data. 346 * 347 * Each channel that *might* be supported by iwl has a fixed location 348 * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory 349 * txpower (MSB). 350 * 351 * Entries immediately below are for 20 MHz channel width. HT40 (40 MHz) 352 * channels (only for 4965, not supported by 3945) appear later in the EEPROM. 353 * 354 * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 355 */ 356 #define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */ 357 #define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */ 358 #define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */ 359 360 /* 361 * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196, 362 * 5.0 GHz channels 7, 8, 11, 12, 16 363 * (4915-5080MHz) (none of these is ever supported) 364 */ 365 #define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */ 366 #define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */ 367 368 /* 369 * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 370 * (5170-5320MHz) 371 */ 372 #define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */ 373 #define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */ 374 375 /* 376 * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 377 * (5500-5700MHz) 378 */ 379 #define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */ 380 #define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */ 381 382 /* 383 * 5.7 GHz channels 145, 149, 153, 157, 161, 165 384 * (5725-5825MHz) 385 */ 386 #define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */ 387 #define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */ 388 389 /* 390 * 2.4 GHz HT40 channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11) 391 * 392 * The channel listed is the center of the lower 20 MHz half of the channel. 393 * The overall center frequency is actually 2 channels (10 MHz) above that, 394 * and the upper half of each HT40 channel is centered 4 channels (20 MHz) away 395 * from the lower half; e.g. the upper half of HT40 channel 1 is channel 5, 396 * and the overall HT40 channel width centers on channel 3. 397 * 398 * NOTE: The RXON command uses 20 MHz channel numbers to specify the 399 * control channel to which to tune. RXON also specifies whether the 400 * control channel is the upper or lower half of a HT40 channel. 401 * 402 * NOTE: 4965 does not support HT40 channels on 2.4 GHz. 403 */ 404 #define EEPROM_4965_REGULATORY_BAND_24_HT40_CHANNELS (2*0xA0) /* 14 bytes */ 405 406 /* 407 * 5.2 GHz HT40 channels 36 (40), 44 (48), 52 (56), 60 (64), 408 * 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161) 409 */ 410 #define EEPROM_4965_REGULATORY_BAND_52_HT40_CHANNELS (2*0xA8) /* 22 bytes */ 411 412 #define EEPROM_REGULATORY_BAND_NO_HT40 (0) 413 414 int il_eeprom_init(struct il_priv *il); 415 void il_eeprom_free(struct il_priv *il); 416 const u8 *il_eeprom_query_addr(const struct il_priv *il, size_t offset); 417 u16 il_eeprom_query16(const struct il_priv *il, size_t offset); 418 int il_init_channel_map(struct il_priv *il); 419 void il_free_channel_map(struct il_priv *il); 420 const struct il_channel_info *il_get_channel_info(const struct il_priv *il, 421 enum nl80211_band band, 422 u16 channel); 423 424 #define IL_NUM_SCAN_RATES (2) 425 426 struct il4965_channel_tgd_info { 427 u8 type; 428 s8 max_power; 429 }; 430 431 struct il4965_channel_tgh_info { 432 s64 last_radar_time; 433 }; 434 435 #define IL4965_MAX_RATE (33) 436 437 struct il3945_clip_group { 438 /* maximum power level to prevent clipping for each rate, derived by 439 * us from this band's saturation power in EEPROM */ 440 const s8 clip_powers[IL_MAX_RATES]; 441 }; 442 443 /* current Tx power values to use, one for each rate for each channel. 444 * requested power is limited by: 445 * -- regulatory EEPROM limits for this channel 446 * -- hardware capabilities (clip-powers) 447 * -- spectrum management 448 * -- user preference (e.g. iwconfig) 449 * when requested power is set, base power idx must also be set. */ 450 struct il3945_channel_power_info { 451 struct il3945_tx_power tpc; /* actual radio and DSP gain settings */ 452 s8 power_table_idx; /* actual (compenst'd) idx into gain table */ 453 s8 base_power_idx; /* gain idx for power at factory temp. */ 454 s8 requested_power; /* power (dBm) requested for this chnl/rate */ 455 }; 456 457 /* current scan Tx power values to use, one for each scan rate for each 458 * channel. */ 459 struct il3945_scan_power_info { 460 struct il3945_tx_power tpc; /* actual radio and DSP gain settings */ 461 s8 power_table_idx; /* actual (compenst'd) idx into gain table */ 462 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ 463 }; 464 465 /* 466 * One for each channel, holds all channel setup data 467 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 468 * with one another! 469 */ 470 struct il_channel_info { 471 struct il4965_channel_tgd_info tgd; 472 struct il4965_channel_tgh_info tgh; 473 struct il_eeprom_channel eeprom; /* EEPROM regulatory limit */ 474 struct il_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 475 * HT40 channel */ 476 477 u8 channel; /* channel number */ 478 u8 flags; /* flags copied from EEPROM */ 479 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 480 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 481 s8 min_power; /* always 0 */ 482 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 483 484 u8 group_idx; /* 0-4, maps channel to group1/2/3/4/5 */ 485 u8 band_idx; /* 0-4, maps channel to band1/2/3/4/5 */ 486 enum nl80211_band band; 487 488 /* HT40 channel info */ 489 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 490 u8 ht40_flags; /* flags copied from EEPROM */ 491 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 492 493 /* Radio/DSP gain settings for each "normal" data Tx rate. 494 * These include, in addition to RF and DSP gain, a few fields for 495 * remembering/modifying gain settings (idxes). */ 496 struct il3945_channel_power_info power_info[IL4965_MAX_RATE]; 497 498 /* Radio/DSP gain settings for each scan rate, for directed scans. */ 499 struct il3945_scan_power_info scan_pwr_info[IL_NUM_SCAN_RATES]; 500 }; 501 502 #define IL_TX_FIFO_BK 0 /* shared */ 503 #define IL_TX_FIFO_BE 1 504 #define IL_TX_FIFO_VI 2 /* shared */ 505 #define IL_TX_FIFO_VO 3 506 #define IL_TX_FIFO_UNUSED -1 507 508 /* Minimum number of queues. MAX_NUM is defined in hw specific files. 509 * Set the minimum to accommodate the 4 standard TX queues, 1 command 510 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 511 #define IL_MIN_NUM_QUEUES 10 512 513 #define IL_DEFAULT_CMD_QUEUE_NUM 4 514 515 #define IEEE80211_DATA_LEN 2304 516 #define IEEE80211_4ADDR_LEN 30 517 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 518 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 519 520 struct il_frame { 521 union { 522 struct ieee80211_hdr frame; 523 struct il_tx_beacon_cmd beacon; 524 u8 raw[IEEE80211_FRAME_LEN]; 525 u8 cmd[360]; 526 } u; 527 struct list_head list; 528 }; 529 530 enum { 531 CMD_SYNC = 0, 532 CMD_SIZE_NORMAL = 0, 533 CMD_NO_SKB = 0, 534 CMD_SIZE_HUGE = (1 << 0), 535 CMD_ASYNC = (1 << 1), 536 CMD_WANT_SKB = (1 << 2), 537 CMD_MAPPED = (1 << 3), 538 }; 539 540 #define DEF_CMD_PAYLOAD_SIZE 320 541 542 /** 543 * struct il_device_cmd 544 * 545 * For allocation of the command and tx queues, this establishes the overall 546 * size of the largest command we send to uCode, except for a scan command 547 * (which is relatively huge; space is allocated separately). 548 */ 549 struct il_device_cmd { 550 struct il_cmd_header hdr; /* uCode API */ 551 union { 552 u32 flags; 553 u8 val8; 554 u16 val16; 555 u32 val32; 556 struct il_tx_cmd tx; 557 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 558 } __packed cmd; 559 } __packed; 560 561 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct il_device_cmd)) 562 563 struct il_host_cmd { 564 const void *data; 565 unsigned long reply_page; 566 void (*callback) (struct il_priv *il, struct il_device_cmd *cmd, 567 struct il_rx_pkt *pkt); 568 u32 flags; 569 u16 len; 570 u8 id; 571 }; 572 573 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 574 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 575 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 576 577 /** 578 * struct il_rx_queue - Rx queue 579 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 580 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) 581 * @read: Shared idx to newest available Rx buffer 582 * @write: Shared idx to oldest written Rx packet 583 * @free_count: Number of pre-allocated buffers in rx_free 584 * @rx_free: list of free SKBs for use 585 * @rx_used: List of Rx buffers with no SKB 586 * @need_update: flag to indicate we need to update read/write idx 587 * @rb_stts: driver's pointer to receive buffer status 588 * @rb_stts_dma: bus address of receive buffer status 589 * 590 * NOTE: rx_free and rx_used are used as a FIFO for il_rx_bufs 591 */ 592 struct il_rx_queue { 593 __le32 *bd; 594 dma_addr_t bd_dma; 595 struct il_rx_buf pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 596 struct il_rx_buf *queue[RX_QUEUE_SIZE]; 597 u32 read; 598 u32 write; 599 u32 free_count; 600 u32 write_actual; 601 struct list_head rx_free; 602 struct list_head rx_used; 603 int need_update; 604 struct il_rb_status *rb_stts; 605 dma_addr_t rb_stts_dma; 606 spinlock_t lock; 607 }; 608 609 #define IL_SUPPORTED_RATES_IE_LEN 8 610 611 #define MAX_TID_COUNT 9 612 613 #define IL_INVALID_RATE 0xFF 614 #define IL_INVALID_VALUE -1 615 616 /** 617 * struct il_ht_agg -- aggregation status while waiting for block-ack 618 * @txq_id: Tx queue used for Tx attempt 619 * @frame_count: # frames attempted by Tx command 620 * @wait_for_ba: Expect block-ack before next Tx reply 621 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx win 622 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx win 623 * @bitmap1: High order, one bit for each frame pending ACK in Tx win 624 * @rate_n_flags: Rate at which Tx was attempted 625 * 626 * If C_TX indicates that aggregation was attempted, driver must wait 627 * for block ack (N_COMPRESSED_BA). This struct stores tx reply info 628 * until block ack arrives. 629 */ 630 struct il_ht_agg { 631 u16 txq_id; 632 u16 frame_count; 633 u16 wait_for_ba; 634 u16 start_idx; 635 u64 bitmap; 636 u32 rate_n_flags; 637 #define IL_AGG_OFF 0 638 #define IL_AGG_ON 1 639 #define IL_EMPTYING_HW_QUEUE_ADDBA 2 640 #define IL_EMPTYING_HW_QUEUE_DELBA 3 641 u8 state; 642 }; 643 644 struct il_tid_data { 645 u16 seq_number; /* 4965 only */ 646 u16 tfds_in_queue; 647 struct il_ht_agg agg; 648 }; 649 650 struct il_hw_key { 651 u32 cipher; 652 int keylen; 653 u8 keyidx; 654 u8 key[32]; 655 }; 656 657 union il_ht_rate_supp { 658 u16 rates; 659 struct { 660 u8 siso_rate; 661 u8 mimo_rate; 662 }; 663 }; 664 665 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 666 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 667 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 668 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 669 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 670 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 671 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 672 673 /* 674 * Maximal MPDU density for TX aggregation 675 * 4 - 2us density 676 * 5 - 4us density 677 * 6 - 8us density 678 * 7 - 16us density 679 */ 680 #define CFG_HT_MPDU_DENSITY_2USEC (0x4) 681 #define CFG_HT_MPDU_DENSITY_4USEC (0x5) 682 #define CFG_HT_MPDU_DENSITY_8USEC (0x6) 683 #define CFG_HT_MPDU_DENSITY_16USEC (0x7) 684 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 685 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 686 #define CFG_HT_MPDU_DENSITY_MIN (0x1) 687 688 struct il_ht_config { 689 bool single_chain_sufficient; 690 enum ieee80211_smps_mode smps; /* current smps mode */ 691 }; 692 693 /* QoS structures */ 694 struct il_qos_info { 695 int qos_active; 696 struct il_qosparam_cmd def_qos_parm; 697 }; 698 699 /* 700 * Structure should be accessed with sta_lock held. When station addition 701 * is in progress (IL_STA_UCODE_INPROGRESS) it is possible to access only 702 * the commands (il_addsta_cmd and il_link_quality_cmd) without 703 * sta_lock held. 704 */ 705 struct il_station_entry { 706 struct il_addsta_cmd sta; 707 struct il_tid_data tid[MAX_TID_COUNT]; 708 u8 used; 709 struct il_hw_key keyinfo; 710 struct il_link_quality_cmd *lq; 711 }; 712 713 struct il_station_priv_common { 714 u8 sta_id; 715 }; 716 717 /** 718 * struct il_vif_priv - driver's ilate per-interface information 719 * 720 * When mac80211 allocates a virtual interface, it can allocate 721 * space for us to put data into. 722 */ 723 struct il_vif_priv { 724 u8 ibss_bssid_sta_id; 725 }; 726 727 /* one for each uCode image (inst/data, boot/init/runtime) */ 728 struct fw_desc { 729 void *v_addr; /* access by driver */ 730 dma_addr_t p_addr; /* access by card's busmaster DMA */ 731 u32 len; /* bytes */ 732 }; 733 734 /* uCode file layout */ 735 struct il_ucode_header { 736 __le32 ver; /* major/minor/API/serial */ 737 struct { 738 __le32 inst_size; /* bytes of runtime code */ 739 __le32 data_size; /* bytes of runtime data */ 740 __le32 init_size; /* bytes of init code */ 741 __le32 init_data_size; /* bytes of init data */ 742 __le32 boot_size; /* bytes of bootstrap code */ 743 u8 data[0]; /* in same order as sizes */ 744 } v1; 745 }; 746 747 struct il4965_ibss_seq { 748 u8 mac[ETH_ALEN]; 749 u16 seq_num; 750 u16 frag_num; 751 unsigned long packet_time; 752 struct list_head list; 753 }; 754 755 struct il_sensitivity_ranges { 756 u16 min_nrg_cck; 757 u16 max_nrg_cck; 758 759 u16 nrg_th_cck; 760 u16 nrg_th_ofdm; 761 762 u16 auto_corr_min_ofdm; 763 u16 auto_corr_min_ofdm_mrc; 764 u16 auto_corr_min_ofdm_x1; 765 u16 auto_corr_min_ofdm_mrc_x1; 766 767 u16 auto_corr_max_ofdm; 768 u16 auto_corr_max_ofdm_mrc; 769 u16 auto_corr_max_ofdm_x1; 770 u16 auto_corr_max_ofdm_mrc_x1; 771 772 u16 auto_corr_max_cck; 773 u16 auto_corr_max_cck_mrc; 774 u16 auto_corr_min_cck; 775 u16 auto_corr_min_cck_mrc; 776 777 u16 barker_corr_th_min; 778 u16 barker_corr_th_min_mrc; 779 u16 nrg_th_cca; 780 }; 781 782 /** 783 * struct il_hw_params 784 * @bcast_id: f/w broadcast station ID 785 * @max_txq_num: Max # Tx queues supported 786 * @dma_chnl_num: Number of Tx DMA/FIFO channels 787 * @scd_bc_tbls_size: size of scheduler byte count tables 788 * @tfd_size: TFD size 789 * @tx/rx_chains_num: Number of TX/RX chains 790 * @valid_tx/rx_ant: usable antennas 791 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 792 * @max_rxq_log: Log-base-2 of max_rxq_size 793 * @rx_page_order: Rx buffer page order 794 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 795 * @max_stations: 796 * @ht40_channel: is 40MHz width possible in band 2.4 797 * BIT(NL80211_BAND_5GHZ) BIT(NL80211_BAND_5GHZ) 798 * @sw_crypto: 0 for hw, 1 for sw 799 * @max_xxx_size: for ucode uses 800 * @ct_kill_threshold: temperature threshold 801 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time 802 * @struct il_sensitivity_ranges: range of sensitivity values 803 */ 804 struct il_hw_params { 805 u8 bcast_id; 806 u8 max_txq_num; 807 u8 dma_chnl_num; 808 u16 scd_bc_tbls_size; 809 u32 tfd_size; 810 u8 tx_chains_num; 811 u8 rx_chains_num; 812 u8 valid_tx_ant; 813 u8 valid_rx_ant; 814 u16 max_rxq_size; 815 u16 max_rxq_log; 816 u32 rx_page_order; 817 u32 rx_wrt_ptr_reg; 818 u8 max_stations; 819 u8 ht40_channel; 820 u8 max_beacon_itrvl; /* in 1024 ms */ 821 u32 max_inst_size; 822 u32 max_data_size; 823 u32 max_bsm_size; 824 u32 ct_kill_threshold; /* value in hw-dependent units */ 825 u16 beacon_time_tsf_bits; 826 const struct il_sensitivity_ranges *sens; 827 }; 828 829 /****************************************************************************** 830 * 831 * Functions implemented in core module which are forward declared here 832 * for use by iwl-[4-5].c 833 * 834 * NOTE: The implementation of these functions are not hardware specific 835 * which is why they are in the core module files. 836 * 837 * Naming convention -- 838 * il_ <-- Is part of iwlwifi 839 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 840 * il4965_bg_ <-- Called from work queue context 841 * il4965_mac_ <-- mac80211 callback 842 * 843 ****************************************************************************/ 844 void il4965_update_chain_flags(struct il_priv *il); 845 extern const u8 il_bcast_addr[ETH_ALEN]; 846 int il_queue_space(const struct il_queue *q); 847 static inline int 848 il_queue_used(const struct il_queue *q, int i) 849 { 850 return q->write_ptr >= q->read_ptr ? (i >= q->read_ptr && 851 i < q->write_ptr) : !(i < 852 q->read_ptr 853 && i >= 854 q-> 855 write_ptr); 856 } 857 858 static inline u8 859 il_get_cmd_idx(struct il_queue *q, u32 idx, int is_huge) 860 { 861 /* 862 * This is for init calibration result and scan command which 863 * required buffer > TFD_MAX_PAYLOAD_SIZE, 864 * the big buffer at end of command array 865 */ 866 if (is_huge) 867 return q->n_win; /* must be power of 2 */ 868 869 /* Otherwise, use normal size buffers */ 870 return idx & (q->n_win - 1); 871 } 872 873 struct il_dma_ptr { 874 dma_addr_t dma; 875 void *addr; 876 size_t size; 877 }; 878 879 #define IL_OPERATION_MODE_AUTO 0 880 #define IL_OPERATION_MODE_HT_ONLY 1 881 #define IL_OPERATION_MODE_MIXED 2 882 #define IL_OPERATION_MODE_20MHZ 3 883 884 #define IL_TX_CRC_SIZE 4 885 #define IL_TX_DELIMITER_SIZE 4 886 887 #define TX_POWER_IL_ILLEGAL_VOLTAGE -10000 888 889 /* Sensitivity and chain noise calibration */ 890 #define INITIALIZATION_VALUE 0xFFFF 891 #define IL4965_CAL_NUM_BEACONS 20 892 #define IL_CAL_NUM_BEACONS 16 893 #define MAXIMUM_ALLOWED_PATHLOSS 15 894 895 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 896 897 #define MAX_FA_OFDM 50 898 #define MIN_FA_OFDM 5 899 #define MAX_FA_CCK 50 900 #define MIN_FA_CCK 5 901 902 #define AUTO_CORR_STEP_OFDM 1 903 904 #define AUTO_CORR_STEP_CCK 3 905 #define AUTO_CORR_MAX_TH_CCK 160 906 907 #define NRG_DIFF 2 908 #define NRG_STEP_CCK 2 909 #define NRG_MARGIN 8 910 #define MAX_NUMBER_CCK_NO_FA 100 911 912 #define AUTO_CORR_CCK_MIN_VAL_DEF (125) 913 914 #define CHAIN_A 0 915 #define CHAIN_B 1 916 #define CHAIN_C 2 917 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 918 #define ALL_BAND_FILTER 0xFF00 919 #define IN_BAND_FILTER 0xFF 920 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 921 922 #define NRG_NUM_PREV_STAT_L 20 923 #define NUM_RX_CHAINS 3 924 925 enum il4965_false_alarm_state { 926 IL_FA_TOO_MANY = 0, 927 IL_FA_TOO_FEW = 1, 928 IL_FA_GOOD_RANGE = 2, 929 }; 930 931 enum il4965_chain_noise_state { 932 IL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 933 IL_CHAIN_NOISE_ACCUMULATE, 934 IL_CHAIN_NOISE_CALIBRATED, 935 IL_CHAIN_NOISE_DONE, 936 }; 937 938 enum ucode_type { 939 UCODE_NONE = 0, 940 UCODE_INIT, 941 UCODE_RT 942 }; 943 944 /* Sensitivity calib data */ 945 struct il_sensitivity_data { 946 u32 auto_corr_ofdm; 947 u32 auto_corr_ofdm_mrc; 948 u32 auto_corr_ofdm_x1; 949 u32 auto_corr_ofdm_mrc_x1; 950 u32 auto_corr_cck; 951 u32 auto_corr_cck_mrc; 952 953 u32 last_bad_plcp_cnt_ofdm; 954 u32 last_fa_cnt_ofdm; 955 u32 last_bad_plcp_cnt_cck; 956 u32 last_fa_cnt_cck; 957 958 u32 nrg_curr_state; 959 u32 nrg_prev_state; 960 u32 nrg_value[10]; 961 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 962 u32 nrg_silence_ref; 963 u32 nrg_energy_idx; 964 u32 nrg_silence_idx; 965 u32 nrg_th_cck; 966 s32 nrg_auto_corr_silence_diff; 967 u32 num_in_cck_no_fa; 968 u32 nrg_th_ofdm; 969 970 u16 barker_corr_th_min; 971 u16 barker_corr_th_min_mrc; 972 u16 nrg_th_cca; 973 }; 974 975 /* Chain noise (differential Rx gain) calib data */ 976 struct il_chain_noise_data { 977 u32 active_chains; 978 u32 chain_noise_a; 979 u32 chain_noise_b; 980 u32 chain_noise_c; 981 u32 chain_signal_a; 982 u32 chain_signal_b; 983 u32 chain_signal_c; 984 u16 beacon_count; 985 u8 disconn_array[NUM_RX_CHAINS]; 986 u8 delta_gain_code[NUM_RX_CHAINS]; 987 u8 radio_write; 988 u8 state; 989 }; 990 991 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 992 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 993 994 #define IL_TRAFFIC_ENTRIES (256) 995 #define IL_TRAFFIC_ENTRY_SIZE (64) 996 997 enum { 998 MEASUREMENT_READY = (1 << 0), 999 MEASUREMENT_ACTIVE = (1 << 1), 1000 }; 1001 1002 /* interrupt stats */ 1003 struct isr_stats { 1004 u32 hw; 1005 u32 sw; 1006 u32 err_code; 1007 u32 sch; 1008 u32 alive; 1009 u32 rfkill; 1010 u32 ctkill; 1011 u32 wakeup; 1012 u32 rx; 1013 u32 handlers[IL_CN_MAX]; 1014 u32 tx; 1015 u32 unhandled; 1016 }; 1017 1018 /* management stats */ 1019 enum il_mgmt_stats { 1020 MANAGEMENT_ASSOC_REQ = 0, 1021 MANAGEMENT_ASSOC_RESP, 1022 MANAGEMENT_REASSOC_REQ, 1023 MANAGEMENT_REASSOC_RESP, 1024 MANAGEMENT_PROBE_REQ, 1025 MANAGEMENT_PROBE_RESP, 1026 MANAGEMENT_BEACON, 1027 MANAGEMENT_ATIM, 1028 MANAGEMENT_DISASSOC, 1029 MANAGEMENT_AUTH, 1030 MANAGEMENT_DEAUTH, 1031 MANAGEMENT_ACTION, 1032 MANAGEMENT_MAX, 1033 }; 1034 /* control stats */ 1035 enum il_ctrl_stats { 1036 CONTROL_BACK_REQ = 0, 1037 CONTROL_BACK, 1038 CONTROL_PSPOLL, 1039 CONTROL_RTS, 1040 CONTROL_CTS, 1041 CONTROL_ACK, 1042 CONTROL_CFEND, 1043 CONTROL_CFENDACK, 1044 CONTROL_MAX, 1045 }; 1046 1047 struct traffic_stats { 1048 #ifdef CONFIG_IWLEGACY_DEBUGFS 1049 u32 mgmt[MANAGEMENT_MAX]; 1050 u32 ctrl[CONTROL_MAX]; 1051 u32 data_cnt; 1052 u64 data_bytes; 1053 #endif 1054 }; 1055 1056 /* 1057 * host interrupt timeout value 1058 * used with setting interrupt coalescing timer 1059 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1060 * 1061 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1062 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1063 */ 1064 #define IL_HOST_INT_TIMEOUT_MAX (0xFF) 1065 #define IL_HOST_INT_TIMEOUT_DEF (0x40) 1066 #define IL_HOST_INT_TIMEOUT_MIN (0x0) 1067 #define IL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1068 #define IL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1069 #define IL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1070 1071 #define IL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1072 1073 /* TX queue watchdog timeouts in mSecs */ 1074 #define IL_DEF_WD_TIMEOUT (2000) 1075 #define IL_LONG_WD_TIMEOUT (10000) 1076 #define IL_MAX_WD_TIMEOUT (120000) 1077 1078 struct il_force_reset { 1079 int reset_request_count; 1080 int reset_success_count; 1081 int reset_reject_count; 1082 unsigned long reset_duration; 1083 unsigned long last_force_reset_jiffies; 1084 }; 1085 1086 /* extend beacon time format bit shifting */ 1087 /* 1088 * for _3945 devices 1089 * bits 31:24 - extended 1090 * bits 23:0 - interval 1091 */ 1092 #define IL3945_EXT_BEACON_TIME_POS 24 1093 /* 1094 * for _4965 devices 1095 * bits 31:22 - extended 1096 * bits 21:0 - interval 1097 */ 1098 #define IL4965_EXT_BEACON_TIME_POS 22 1099 1100 struct il_rxon_context { 1101 struct ieee80211_vif *vif; 1102 }; 1103 1104 struct il_power_mgr { 1105 struct il_powertable_cmd sleep_cmd; 1106 struct il_powertable_cmd sleep_cmd_next; 1107 int debug_sleep_level_override; 1108 bool pci_pm; 1109 bool ps_disabled; 1110 }; 1111 1112 struct il_priv { 1113 struct ieee80211_hw *hw; 1114 struct ieee80211_channel *ieee_channels; 1115 struct ieee80211_rate *ieee_rates; 1116 1117 struct il_cfg *cfg; 1118 const struct il_ops *ops; 1119 #ifdef CONFIG_IWLEGACY_DEBUGFS 1120 const struct il_debugfs_ops *debugfs_ops; 1121 #endif 1122 1123 /* temporary frame storage list */ 1124 struct list_head free_frames; 1125 int frames_count; 1126 1127 enum nl80211_band band; 1128 int alloc_rxb_page; 1129 1130 void (*handlers[IL_CN_MAX]) (struct il_priv *il, 1131 struct il_rx_buf *rxb); 1132 1133 struct ieee80211_supported_band bands[NUM_NL80211_BANDS]; 1134 1135 /* spectrum measurement report caching */ 1136 struct il_spectrum_notification measure_report; 1137 u8 measurement_status; 1138 1139 /* ucode beacon time */ 1140 u32 ucode_beacon_time; 1141 int missed_beacon_threshold; 1142 1143 /* track IBSS manager (last beacon) status */ 1144 u32 ibss_manager; 1145 1146 /* force reset */ 1147 struct il_force_reset force_reset; 1148 1149 /* we allocate array of il_channel_info for NIC's valid channels. 1150 * Access via channel # using indirect idx array */ 1151 struct il_channel_info *channel_info; /* channel info array */ 1152 u8 channel_count; /* # of channels */ 1153 1154 /* thermal calibration */ 1155 s32 temperature; /* degrees Kelvin */ 1156 s32 last_temperature; 1157 1158 /* Scan related variables */ 1159 unsigned long scan_start; 1160 unsigned long scan_start_tsf; 1161 void *scan_cmd; 1162 enum nl80211_band scan_band; 1163 struct cfg80211_scan_request *scan_request; 1164 struct ieee80211_vif *scan_vif; 1165 u8 scan_tx_ant[NUM_NL80211_BANDS]; 1166 u8 mgmt_tx_ant; 1167 1168 /* spinlock */ 1169 spinlock_t lock; /* protect general shared data */ 1170 spinlock_t hcmd_lock; /* protect hcmd */ 1171 spinlock_t reg_lock; /* protect hw register access */ 1172 struct mutex mutex; 1173 1174 /* basic pci-network driver stuff */ 1175 struct pci_dev *pci_dev; 1176 1177 /* pci hardware address support */ 1178 void __iomem *hw_base; 1179 u32 hw_rev; 1180 u32 hw_wa_rev; 1181 u8 rev_id; 1182 1183 /* command queue number */ 1184 u8 cmd_queue; 1185 1186 /* max number of station keys */ 1187 u8 sta_key_max_num; 1188 1189 /* EEPROM MAC addresses */ 1190 struct mac_address addresses[1]; 1191 1192 /* uCode images, save to reload in case of failure */ 1193 int fw_idx; /* firmware we're trying to load */ 1194 u32 ucode_ver; /* version of ucode, copy of 1195 il_ucode.ver */ 1196 struct fw_desc ucode_code; /* runtime inst */ 1197 struct fw_desc ucode_data; /* runtime data original */ 1198 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1199 struct fw_desc ucode_init; /* initialization inst */ 1200 struct fw_desc ucode_init_data; /* initialization data */ 1201 struct fw_desc ucode_boot; /* bootstrap inst */ 1202 enum ucode_type ucode_type; 1203 u8 ucode_write_complete; /* the image write is complete */ 1204 char firmware_name[25]; 1205 1206 struct ieee80211_vif *vif; 1207 1208 struct il_qos_info qos_data; 1209 1210 struct { 1211 bool enabled; 1212 bool is_40mhz; 1213 bool non_gf_sta_present; 1214 u8 protection; 1215 u8 extension_chan_offset; 1216 } ht; 1217 1218 /* 1219 * We declare this const so it can only be 1220 * changed via explicit cast within the 1221 * routines that actually update the physical 1222 * hardware. 1223 */ 1224 const struct il_rxon_cmd active; 1225 struct il_rxon_cmd staging; 1226 1227 struct il_rxon_time_cmd timing; 1228 1229 __le16 switch_channel; 1230 1231 /* 1st responses from initialize and runtime uCode images. 1232 * _4965's initialize alive response contains some calibration data. */ 1233 struct il_init_alive_resp card_alive_init; 1234 struct il_alive_resp card_alive; 1235 1236 u16 active_rate; 1237 1238 u8 start_calib; 1239 struct il_sensitivity_data sensitivity_data; 1240 struct il_chain_noise_data chain_noise_data; 1241 __le16 sensitivity_tbl[HD_TBL_SIZE]; 1242 1243 struct il_ht_config current_ht_config; 1244 1245 /* Rate scaling data */ 1246 u8 retry_rate; 1247 1248 wait_queue_head_t wait_command_queue; 1249 1250 int activity_timer_active; 1251 1252 /* Rx and Tx DMA processing queues */ 1253 struct il_rx_queue rxq; 1254 struct il_tx_queue *txq; 1255 unsigned long txq_ctx_active_msk; 1256 struct il_dma_ptr kw; /* keep warm address */ 1257 struct il_dma_ptr scd_bc_tbls; 1258 1259 u32 scd_base_addr; /* scheduler sram base address */ 1260 1261 unsigned long status; 1262 1263 /* counts mgmt, ctl, and data packets */ 1264 struct traffic_stats tx_stats; 1265 struct traffic_stats rx_stats; 1266 1267 /* counts interrupts */ 1268 struct isr_stats isr_stats; 1269 1270 struct il_power_mgr power_data; 1271 1272 /* context information */ 1273 u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */ 1274 1275 /* station table variables */ 1276 1277 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1278 spinlock_t sta_lock; 1279 int num_stations; 1280 struct il_station_entry stations[IL_STATION_COUNT]; 1281 unsigned long ucode_key_table; 1282 1283 /* queue refcounts */ 1284 #define IL_MAX_HW_QUEUES 32 1285 unsigned long queue_stopped[BITS_TO_LONGS(IL_MAX_HW_QUEUES)]; 1286 #define IL_STOP_REASON_PASSIVE 0 1287 unsigned long stop_reason; 1288 /* for each AC */ 1289 atomic_t queue_stop_count[4]; 1290 1291 /* Indication if ieee80211_ops->open has been called */ 1292 u8 is_open; 1293 1294 u8 mac80211_registered; 1295 1296 /* eeprom -- this is in the card's little endian byte order */ 1297 u8 *eeprom; 1298 struct il_eeprom_calib_info *calib_info; 1299 1300 enum nl80211_iftype iw_mode; 1301 1302 /* Last Rx'd beacon timestamp */ 1303 u64 timestamp; 1304 1305 union { 1306 #if IS_ENABLED(CONFIG_IWL3945) 1307 struct { 1308 void *shared_virt; 1309 dma_addr_t shared_phys; 1310 1311 struct delayed_work thermal_periodic; 1312 struct delayed_work rfkill_poll; 1313 1314 struct il3945_notif_stats stats; 1315 #ifdef CONFIG_IWLEGACY_DEBUGFS 1316 struct il3945_notif_stats accum_stats; 1317 struct il3945_notif_stats delta_stats; 1318 struct il3945_notif_stats max_delta; 1319 #endif 1320 1321 u32 sta_supp_rates; 1322 int last_rx_rssi; /* From Rx packet stats */ 1323 1324 /* Rx'd packet timing information */ 1325 u32 last_beacon_time; 1326 u64 last_tsf; 1327 1328 /* 1329 * each calibration channel group in the 1330 * EEPROM has a derived clip setting for 1331 * each rate. 1332 */ 1333 const struct il3945_clip_group clip_groups[5]; 1334 1335 } _3945; 1336 #endif 1337 #if IS_ENABLED(CONFIG_IWL4965) 1338 struct { 1339 struct il_rx_phy_res last_phy_res; 1340 bool last_phy_res_valid; 1341 u32 ampdu_ref; 1342 1343 struct completion firmware_loading_complete; 1344 1345 /* 1346 * chain noise reset and gain commands are the 1347 * two extra calibration commands follows the standard 1348 * phy calibration commands 1349 */ 1350 u8 phy_calib_chain_noise_reset_cmd; 1351 u8 phy_calib_chain_noise_gain_cmd; 1352 1353 u8 key_mapping_keys; 1354 struct il_wep_key wep_keys[WEP_KEYS_MAX]; 1355 1356 struct il_notif_stats stats; 1357 #ifdef CONFIG_IWLEGACY_DEBUGFS 1358 struct il_notif_stats accum_stats; 1359 struct il_notif_stats delta_stats; 1360 struct il_notif_stats max_delta; 1361 #endif 1362 1363 } _4965; 1364 #endif 1365 }; 1366 1367 struct il_hw_params hw_params; 1368 1369 u32 inta_mask; 1370 1371 struct workqueue_struct *workqueue; 1372 1373 struct work_struct restart; 1374 struct work_struct scan_completed; 1375 struct work_struct rx_replenish; 1376 struct work_struct abort_scan; 1377 1378 bool beacon_enabled; 1379 struct sk_buff *beacon_skb; 1380 1381 struct work_struct tx_flush; 1382 1383 struct tasklet_struct irq_tasklet; 1384 1385 struct delayed_work init_alive_start; 1386 struct delayed_work alive_start; 1387 struct delayed_work scan_check; 1388 1389 /* TX Power */ 1390 s8 tx_power_user_lmt; 1391 s8 tx_power_device_lmt; 1392 s8 tx_power_next; 1393 1394 #ifdef CONFIG_IWLEGACY_DEBUG 1395 /* debugging info */ 1396 u32 debug_level; /* per device debugging will override global 1397 il_debug_level if set */ 1398 #endif /* CONFIG_IWLEGACY_DEBUG */ 1399 #ifdef CONFIG_IWLEGACY_DEBUGFS 1400 /* debugfs */ 1401 u16 tx_traffic_idx; 1402 u16 rx_traffic_idx; 1403 u8 *tx_traffic; 1404 u8 *rx_traffic; 1405 struct dentry *debugfs_dir; 1406 u32 dbgfs_sram_offset, dbgfs_sram_len; 1407 bool disable_ht40; 1408 #endif /* CONFIG_IWLEGACY_DEBUGFS */ 1409 1410 struct work_struct txpower_work; 1411 bool disable_sens_cal; 1412 bool disable_chain_noise_cal; 1413 bool disable_tx_power_cal; 1414 struct work_struct run_time_calib_work; 1415 struct timer_list stats_periodic; 1416 struct timer_list watchdog; 1417 bool hw_ready; 1418 1419 struct led_classdev led; 1420 unsigned long blink_on, blink_off; 1421 bool led_registered; 1422 }; /*il_priv */ 1423 1424 static inline void 1425 il_txq_ctx_activate(struct il_priv *il, int txq_id) 1426 { 1427 set_bit(txq_id, &il->txq_ctx_active_msk); 1428 } 1429 1430 static inline void 1431 il_txq_ctx_deactivate(struct il_priv *il, int txq_id) 1432 { 1433 clear_bit(txq_id, &il->txq_ctx_active_msk); 1434 } 1435 1436 static inline int 1437 il_is_associated(struct il_priv *il) 1438 { 1439 return (il->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1440 } 1441 1442 static inline int 1443 il_is_any_associated(struct il_priv *il) 1444 { 1445 return il_is_associated(il); 1446 } 1447 1448 static inline int 1449 il_is_channel_valid(const struct il_channel_info *ch_info) 1450 { 1451 if (ch_info == NULL) 1452 return 0; 1453 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1454 } 1455 1456 static inline int 1457 il_is_channel_radar(const struct il_channel_info *ch_info) 1458 { 1459 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1460 } 1461 1462 static inline u8 1463 il_is_channel_a_band(const struct il_channel_info *ch_info) 1464 { 1465 return ch_info->band == NL80211_BAND_5GHZ; 1466 } 1467 1468 static inline int 1469 il_is_channel_passive(const struct il_channel_info *ch) 1470 { 1471 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1472 } 1473 1474 static inline int 1475 il_is_channel_ibss(const struct il_channel_info *ch) 1476 { 1477 return (ch->flags & EEPROM_CHANNEL_IBSS) ? 1 : 0; 1478 } 1479 1480 static inline void 1481 __il_free_pages(struct il_priv *il, struct page *page) 1482 { 1483 __free_pages(page, il->hw_params.rx_page_order); 1484 il->alloc_rxb_page--; 1485 } 1486 1487 static inline void 1488 il_free_pages(struct il_priv *il, unsigned long page) 1489 { 1490 free_pages(page, il->hw_params.rx_page_order); 1491 il->alloc_rxb_page--; 1492 } 1493 1494 #define IWLWIFI_VERSION "in-tree:" 1495 #define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation" 1496 #define DRV_AUTHOR "<ilw@linux.intel.com>" 1497 1498 #define IL_PCI_DEVICE(dev, subdev, cfg) \ 1499 .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ 1500 .subvendor = PCI_ANY_ID, .subdevice = (subdev), \ 1501 .driver_data = (kernel_ulong_t)&(cfg) 1502 1503 #define TIME_UNIT 1024 1504 1505 #define IL_SKU_G 0x1 1506 #define IL_SKU_A 0x2 1507 #define IL_SKU_N 0x8 1508 1509 #define IL_CMD(x) case x: return #x 1510 1511 /* Size of one Rx buffer in host DRAM */ 1512 #define IL_RX_BUF_SIZE_3K (3 * 1000) /* 3945 only */ 1513 #define IL_RX_BUF_SIZE_4K (4 * 1024) 1514 #define IL_RX_BUF_SIZE_8K (8 * 1024) 1515 1516 #ifdef CONFIG_IWLEGACY_DEBUGFS 1517 struct il_debugfs_ops { 1518 ssize_t(*rx_stats_read) (struct file *file, char __user *user_buf, 1519 size_t count, loff_t *ppos); 1520 ssize_t(*tx_stats_read) (struct file *file, char __user *user_buf, 1521 size_t count, loff_t *ppos); 1522 ssize_t(*general_stats_read) (struct file *file, 1523 char __user *user_buf, size_t count, 1524 loff_t *ppos); 1525 }; 1526 #endif 1527 1528 struct il_ops { 1529 /* Handling TX */ 1530 void (*txq_update_byte_cnt_tbl) (struct il_priv *il, 1531 struct il_tx_queue *txq, 1532 u16 byte_cnt); 1533 int (*txq_attach_buf_to_tfd) (struct il_priv *il, 1534 struct il_tx_queue *txq, dma_addr_t addr, 1535 u16 len, u8 reset, u8 pad); 1536 void (*txq_free_tfd) (struct il_priv *il, struct il_tx_queue *txq); 1537 int (*txq_init) (struct il_priv *il, struct il_tx_queue *txq); 1538 /* alive notification after init uCode load */ 1539 void (*init_alive_start) (struct il_priv *il); 1540 /* check validity of rtc data address */ 1541 int (*is_valid_rtc_data_addr) (u32 addr); 1542 /* 1st ucode load */ 1543 int (*load_ucode) (struct il_priv *il); 1544 1545 void (*dump_nic_error_log) (struct il_priv *il); 1546 int (*dump_fh) (struct il_priv *il, char **buf, bool display); 1547 int (*set_channel_switch) (struct il_priv *il, 1548 struct ieee80211_channel_switch *ch_switch); 1549 /* power management */ 1550 int (*apm_init) (struct il_priv *il); 1551 1552 /* tx power */ 1553 int (*send_tx_power) (struct il_priv *il); 1554 void (*update_chain_flags) (struct il_priv *il); 1555 1556 /* eeprom operations */ 1557 int (*eeprom_acquire_semaphore) (struct il_priv *il); 1558 void (*eeprom_release_semaphore) (struct il_priv *il); 1559 1560 int (*rxon_assoc) (struct il_priv *il); 1561 int (*commit_rxon) (struct il_priv *il); 1562 void (*set_rxon_chain) (struct il_priv *il); 1563 1564 u16(*get_hcmd_size) (u8 cmd_id, u16 len); 1565 u16(*build_addsta_hcmd) (const struct il_addsta_cmd *cmd, u8 *data); 1566 1567 int (*request_scan) (struct il_priv *il, struct ieee80211_vif *vif); 1568 void (*post_scan) (struct il_priv *il); 1569 void (*post_associate) (struct il_priv *il); 1570 void (*config_ap) (struct il_priv *il); 1571 /* station management */ 1572 int (*update_bcast_stations) (struct il_priv *il); 1573 int (*manage_ibss_station) (struct il_priv *il, 1574 struct ieee80211_vif *vif, bool add); 1575 1576 int (*send_led_cmd) (struct il_priv *il, struct il_led_cmd *led_cmd); 1577 }; 1578 1579 struct il_mod_params { 1580 int sw_crypto; /* def: 0 = using hardware encryption */ 1581 int disable_hw_scan; /* def: 0 = use h/w scan */ 1582 int num_of_queues; /* def: HW dependent */ 1583 int disable_11n; /* def: 0 = 11n capabilities enabled */ 1584 int amsdu_size_8K; /* def: 0 = disable 8K amsdu size */ 1585 int antenna; /* def: 0 = both antennas (use diversity) */ 1586 int restart_fw; /* def: 1 = restart firmware */ 1587 }; 1588 1589 #define IL_LED_SOLID 11 1590 #define IL_DEF_LED_INTRVL cpu_to_le32(1000) 1591 1592 #define IL_LED_ACTIVITY (0<<1) 1593 #define IL_LED_LINK (1<<1) 1594 1595 /* 1596 * LED mode 1597 * IL_LED_DEFAULT: use device default 1598 * IL_LED_RF_STATE: turn LED on/off based on RF state 1599 * LED ON = RF ON 1600 * LED OFF = RF OFF 1601 * IL_LED_BLINK: adjust led blink rate based on blink table 1602 */ 1603 enum il_led_mode { 1604 IL_LED_DEFAULT, 1605 IL_LED_RF_STATE, 1606 IL_LED_BLINK, 1607 }; 1608 1609 void il_leds_init(struct il_priv *il); 1610 void il_leds_exit(struct il_priv *il); 1611 1612 /** 1613 * struct il_cfg 1614 * @fw_name_pre: Firmware filename prefix. The api version and extension 1615 * (.ucode) will be added to filename before loading from disk. The 1616 * filename is constructed as fw_name_pre<api>.ucode. 1617 * @ucode_api_max: Highest version of uCode API supported by driver. 1618 * @ucode_api_min: Lowest version of uCode API supported by driver. 1619 * @scan_antennas: available antenna for scan operation 1620 * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off) 1621 * 1622 * We enable the driver to be backward compatible wrt API version. The 1623 * driver specifies which APIs it supports (with @ucode_api_max being the 1624 * highest and @ucode_api_min the lowest). Firmware will only be loaded if 1625 * it has a supported API version. The firmware's API version will be 1626 * stored in @il_priv, enabling the driver to make runtime changes based 1627 * on firmware version used. 1628 * 1629 * For example, 1630 * if (IL_UCODE_API(il->ucode_ver) >= 2) { 1631 * Driver interacts with Firmware API version >= 2. 1632 * } else { 1633 * Driver interacts with Firmware API version 1. 1634 * } 1635 * 1636 * The ideal usage of this infrastructure is to treat a new ucode API 1637 * release as a new hardware revision. That is, through utilizing the 1638 * il_hcmd_utils_ops etc. we accommodate different command structures 1639 * and flows between hardware versions as well as their API 1640 * versions. 1641 * 1642 */ 1643 struct il_cfg { 1644 /* params specific to an individual device within a device family */ 1645 const char *name; 1646 const char *fw_name_pre; 1647 const unsigned int ucode_api_max; 1648 const unsigned int ucode_api_min; 1649 u8 valid_tx_ant; 1650 u8 valid_rx_ant; 1651 unsigned int sku; 1652 u16 eeprom_ver; 1653 u16 eeprom_calib_ver; 1654 /* module based parameters which can be set from modprobe cmd */ 1655 const struct il_mod_params *mod_params; 1656 /* params not likely to change within a device family */ 1657 struct il_base_params *base_params; 1658 /* params likely to change within a device family */ 1659 u8 scan_rx_antennas[NUM_NL80211_BANDS]; 1660 enum il_led_mode led_mode; 1661 1662 int eeprom_size; 1663 int num_of_queues; /* def: HW dependent */ 1664 int num_of_ampdu_queues; /* def: HW dependent */ 1665 /* for il_apm_init() */ 1666 u32 pll_cfg_val; 1667 bool set_l0s; 1668 bool use_bsm; 1669 1670 u16 led_compensation; 1671 int chain_noise_num_beacons; 1672 unsigned int wd_timeout; 1673 bool temperature_kelvin; 1674 const bool ucode_tracing; 1675 const bool sensitivity_calib_by_driver; 1676 const bool chain_noise_calib_by_driver; 1677 1678 const u32 regulatory_bands[7]; 1679 }; 1680 1681 /*************************** 1682 * L i b * 1683 ***************************/ 1684 1685 int il_mac_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1686 u16 queue, const struct ieee80211_tx_queue_params *params); 1687 int il_mac_tx_last_beacon(struct ieee80211_hw *hw); 1688 1689 void il_set_rxon_hwcrypto(struct il_priv *il, int hw_decrypt); 1690 int il_check_rxon_cmd(struct il_priv *il); 1691 int il_full_rxon_required(struct il_priv *il); 1692 int il_set_rxon_channel(struct il_priv *il, struct ieee80211_channel *ch); 1693 void il_set_flags_for_band(struct il_priv *il, enum nl80211_band band, 1694 struct ieee80211_vif *vif); 1695 u8 il_get_single_channel_number(struct il_priv *il, enum nl80211_band band); 1696 void il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf); 1697 bool il_is_ht40_tx_allowed(struct il_priv *il, 1698 struct ieee80211_sta_ht_cap *ht_cap); 1699 void il_connection_init_rx_config(struct il_priv *il); 1700 void il_set_rate(struct il_priv *il); 1701 int il_set_decrypted_flag(struct il_priv *il, struct ieee80211_hdr *hdr, 1702 u32 decrypt_res, struct ieee80211_rx_status *stats); 1703 void il_irq_handle_error(struct il_priv *il); 1704 int il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif); 1705 void il_mac_remove_interface(struct ieee80211_hw *hw, 1706 struct ieee80211_vif *vif); 1707 int il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1708 enum nl80211_iftype newtype, bool newp2p); 1709 void il_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1710 u32 queues, bool drop); 1711 int il_alloc_txq_mem(struct il_priv *il); 1712 void il_free_txq_mem(struct il_priv *il); 1713 1714 #ifdef CONFIG_IWLEGACY_DEBUGFS 1715 void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len); 1716 #else 1717 static inline void 1718 il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len) 1719 { 1720 } 1721 #endif 1722 1723 /***************************************************** 1724 * Handlers 1725 ***************************************************/ 1726 void il_hdl_pm_sleep(struct il_priv *il, struct il_rx_buf *rxb); 1727 void il_hdl_pm_debug_stats(struct il_priv *il, struct il_rx_buf *rxb); 1728 void il_hdl_error(struct il_priv *il, struct il_rx_buf *rxb); 1729 void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb); 1730 1731 /***************************************************** 1732 * RX 1733 ******************************************************/ 1734 void il_cmd_queue_unmap(struct il_priv *il); 1735 void il_cmd_queue_free(struct il_priv *il); 1736 int il_rx_queue_alloc(struct il_priv *il); 1737 void il_rx_queue_update_write_ptr(struct il_priv *il, struct il_rx_queue *q); 1738 int il_rx_queue_space(const struct il_rx_queue *q); 1739 void il_tx_cmd_complete(struct il_priv *il, struct il_rx_buf *rxb); 1740 1741 void il_hdl_spectrum_measurement(struct il_priv *il, struct il_rx_buf *rxb); 1742 void il_recover_from_stats(struct il_priv *il, struct il_rx_pkt *pkt); 1743 void il_chswitch_done(struct il_priv *il, bool is_success); 1744 1745 /***************************************************** 1746 * TX 1747 ******************************************************/ 1748 void il_txq_update_write_ptr(struct il_priv *il, struct il_tx_queue *txq); 1749 int il_tx_queue_init(struct il_priv *il, u32 txq_id); 1750 void il_tx_queue_reset(struct il_priv *il, u32 txq_id); 1751 void il_tx_queue_unmap(struct il_priv *il, int txq_id); 1752 void il_tx_queue_free(struct il_priv *il, int txq_id); 1753 void il_setup_watchdog(struct il_priv *il); 1754 /***************************************************** 1755 * TX power 1756 ****************************************************/ 1757 int il_set_tx_power(struct il_priv *il, s8 tx_power, bool force); 1758 1759 /******************************************************************************* 1760 * Rate 1761 ******************************************************************************/ 1762 1763 u8 il_get_lowest_plcp(struct il_priv *il); 1764 1765 /******************************************************************************* 1766 * Scanning 1767 ******************************************************************************/ 1768 void il_init_scan_params(struct il_priv *il); 1769 int il_scan_cancel(struct il_priv *il); 1770 int il_scan_cancel_timeout(struct il_priv *il, unsigned long ms); 1771 void il_force_scan_end(struct il_priv *il); 1772 int il_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1773 struct ieee80211_scan_request *hw_req); 1774 void il_internal_short_hw_scan(struct il_priv *il); 1775 int il_force_reset(struct il_priv *il, bool external); 1776 u16 il_fill_probe_req(struct il_priv *il, struct ieee80211_mgmt *frame, 1777 const u8 *ta, const u8 *ie, int ie_len, int left); 1778 void il_setup_rx_scan_handlers(struct il_priv *il); 1779 u16 il_get_active_dwell_time(struct il_priv *il, enum nl80211_band band, 1780 u8 n_probes); 1781 u16 il_get_passive_dwell_time(struct il_priv *il, enum nl80211_band band, 1782 struct ieee80211_vif *vif); 1783 void il_setup_scan_deferred_work(struct il_priv *il); 1784 void il_cancel_scan_deferred_work(struct il_priv *il); 1785 1786 /* For faster active scanning, scan will move to the next channel if fewer than 1787 * PLCP_QUIET_THRESH packets are heard on this channel within 1788 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell 1789 * time if it's a quiet channel (nothing responded to our probe, and there's 1790 * no other traffic). 1791 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */ 1792 #define IL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */ 1793 #define IL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */ 1794 1795 #define IL_SCAN_CHECK_WATCHDOG (HZ * 7) 1796 1797 /***************************************************** 1798 * S e n d i n g H o s t C o m m a n d s * 1799 *****************************************************/ 1800 1801 const char *il_get_cmd_string(u8 cmd); 1802 int __must_check il_send_cmd_sync(struct il_priv *il, struct il_host_cmd *cmd); 1803 int il_send_cmd(struct il_priv *il, struct il_host_cmd *cmd); 1804 int __must_check il_send_cmd_pdu(struct il_priv *il, u8 id, u16 len, 1805 const void *data); 1806 int il_send_cmd_pdu_async(struct il_priv *il, u8 id, u16 len, const void *data, 1807 void (*callback) (struct il_priv *il, 1808 struct il_device_cmd *cmd, 1809 struct il_rx_pkt *pkt)); 1810 1811 int il_enqueue_hcmd(struct il_priv *il, struct il_host_cmd *cmd); 1812 1813 /***************************************************** 1814 * PCI * 1815 *****************************************************/ 1816 1817 void il_bg_watchdog(struct timer_list *t); 1818 u32 il_usecs_to_beacons(struct il_priv *il, u32 usec, u32 beacon_interval); 1819 __le32 il_add_beacon_time(struct il_priv *il, u32 base, u32 addon, 1820 u32 beacon_interval); 1821 1822 #ifdef CONFIG_PM_SLEEP 1823 extern const struct dev_pm_ops il_pm_ops; 1824 1825 #define IL_LEGACY_PM_OPS (&il_pm_ops) 1826 1827 #else /* !CONFIG_PM_SLEEP */ 1828 1829 #define IL_LEGACY_PM_OPS NULL 1830 1831 #endif /* !CONFIG_PM_SLEEP */ 1832 1833 /***************************************************** 1834 * Error Handling Debugging 1835 ******************************************************/ 1836 void il4965_dump_nic_error_log(struct il_priv *il); 1837 #ifdef CONFIG_IWLEGACY_DEBUG 1838 void il_print_rx_config_cmd(struct il_priv *il); 1839 #else 1840 static inline void 1841 il_print_rx_config_cmd(struct il_priv *il) 1842 { 1843 } 1844 #endif 1845 1846 void il_clear_isr_stats(struct il_priv *il); 1847 1848 /***************************************************** 1849 * GEOS 1850 ******************************************************/ 1851 int il_init_geos(struct il_priv *il); 1852 void il_free_geos(struct il_priv *il); 1853 1854 /*************** DRIVER STATUS FUNCTIONS *****/ 1855 1856 #define S_HCMD_ACTIVE 0 /* host command in progress */ 1857 /* 1 is unused (used to be S_HCMD_SYNC_ACTIVE) */ 1858 #define S_INT_ENABLED 2 1859 #define S_RFKILL 3 1860 #define S_CT_KILL 4 1861 #define S_INIT 5 1862 #define S_ALIVE 6 1863 #define S_READY 7 1864 #define S_TEMPERATURE 8 1865 #define S_GEO_CONFIGURED 9 1866 #define S_EXIT_PENDING 10 1867 #define S_STATS 12 1868 #define S_SCANNING 13 1869 #define S_SCAN_ABORTING 14 1870 #define S_SCAN_HW 15 1871 #define S_POWER_PMI 16 1872 #define S_FW_ERROR 17 1873 #define S_CHANNEL_SWITCH_PENDING 18 1874 1875 static inline int 1876 il_is_ready(struct il_priv *il) 1877 { 1878 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are 1879 * set but EXIT_PENDING is not */ 1880 return test_bit(S_READY, &il->status) && 1881 test_bit(S_GEO_CONFIGURED, &il->status) && 1882 !test_bit(S_EXIT_PENDING, &il->status); 1883 } 1884 1885 static inline int 1886 il_is_alive(struct il_priv *il) 1887 { 1888 return test_bit(S_ALIVE, &il->status); 1889 } 1890 1891 static inline int 1892 il_is_init(struct il_priv *il) 1893 { 1894 return test_bit(S_INIT, &il->status); 1895 } 1896 1897 static inline int 1898 il_is_rfkill(struct il_priv *il) 1899 { 1900 return test_bit(S_RFKILL, &il->status); 1901 } 1902 1903 static inline int 1904 il_is_ctkill(struct il_priv *il) 1905 { 1906 return test_bit(S_CT_KILL, &il->status); 1907 } 1908 1909 static inline int 1910 il_is_ready_rf(struct il_priv *il) 1911 { 1912 1913 if (il_is_rfkill(il)) 1914 return 0; 1915 1916 return il_is_ready(il); 1917 } 1918 1919 void il_send_bt_config(struct il_priv *il); 1920 int il_send_stats_request(struct il_priv *il, u8 flags, bool clear); 1921 void il_apm_stop(struct il_priv *il); 1922 void _il_apm_stop(struct il_priv *il); 1923 1924 int il_apm_init(struct il_priv *il); 1925 1926 int il_send_rxon_timing(struct il_priv *il); 1927 1928 static inline int 1929 il_send_rxon_assoc(struct il_priv *il) 1930 { 1931 return il->ops->rxon_assoc(il); 1932 } 1933 1934 static inline int 1935 il_commit_rxon(struct il_priv *il) 1936 { 1937 return il->ops->commit_rxon(il); 1938 } 1939 1940 static inline const struct ieee80211_supported_band * 1941 il_get_hw_mode(struct il_priv *il, enum nl80211_band band) 1942 { 1943 return il->hw->wiphy->bands[band]; 1944 } 1945 1946 /* mac80211 handlers */ 1947 int il_mac_config(struct ieee80211_hw *hw, u32 changed); 1948 void il_mac_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif); 1949 void il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1950 struct ieee80211_bss_conf *bss_conf, u32 changes); 1951 void il_tx_cmd_protection(struct il_priv *il, struct ieee80211_tx_info *info, 1952 __le16 fc, __le32 *tx_flags); 1953 1954 irqreturn_t il_isr(int irq, void *data); 1955 1956 void il_set_bit(struct il_priv *p, u32 r, u32 m); 1957 void il_clear_bit(struct il_priv *p, u32 r, u32 m); 1958 bool _il_grab_nic_access(struct il_priv *il); 1959 int _il_poll_bit(struct il_priv *il, u32 addr, u32 bits, u32 mask, int timeout); 1960 int il_poll_bit(struct il_priv *il, u32 addr, u32 mask, int timeout); 1961 u32 il_rd_prph(struct il_priv *il, u32 reg); 1962 void il_wr_prph(struct il_priv *il, u32 addr, u32 val); 1963 u32 il_read_targ_mem(struct il_priv *il, u32 addr); 1964 void il_write_targ_mem(struct il_priv *il, u32 addr, u32 val); 1965 1966 static inline bool il_need_reclaim(struct il_priv *il, struct il_rx_pkt *pkt) 1967 { 1968 /* Reclaim a command buffer only if this packet is a response 1969 * to a (driver-originated) command. If the packet (e.g. Rx frame) 1970 * originated from uCode, there is no command buffer to reclaim. 1971 * Ucode should set SEQ_RX_FRAME bit if ucode-originated, but 1972 * apparently a few don't get set; catch them here. 1973 */ 1974 return !(pkt->hdr.sequence & SEQ_RX_FRAME) && 1975 pkt->hdr.cmd != N_STATS && pkt->hdr.cmd != C_TX && 1976 pkt->hdr.cmd != N_RX_PHY && pkt->hdr.cmd != N_RX && 1977 pkt->hdr.cmd != N_RX_MPDU && pkt->hdr.cmd != N_COMPRESSED_BA; 1978 } 1979 1980 static inline void 1981 _il_write8(struct il_priv *il, u32 ofs, u8 val) 1982 { 1983 writeb(val, il->hw_base + ofs); 1984 } 1985 #define il_write8(il, ofs, val) _il_write8(il, ofs, val) 1986 1987 static inline void 1988 _il_wr(struct il_priv *il, u32 ofs, u32 val) 1989 { 1990 writel(val, il->hw_base + ofs); 1991 } 1992 1993 static inline u32 1994 _il_rd(struct il_priv *il, u32 ofs) 1995 { 1996 return readl(il->hw_base + ofs); 1997 } 1998 1999 static inline void 2000 _il_clear_bit(struct il_priv *il, u32 reg, u32 mask) 2001 { 2002 _il_wr(il, reg, _il_rd(il, reg) & ~mask); 2003 } 2004 2005 static inline void 2006 _il_set_bit(struct il_priv *il, u32 reg, u32 mask) 2007 { 2008 _il_wr(il, reg, _il_rd(il, reg) | mask); 2009 } 2010 2011 static inline void 2012 _il_release_nic_access(struct il_priv *il) 2013 { 2014 _il_clear_bit(il, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); 2015 } 2016 2017 static inline u32 2018 il_rd(struct il_priv *il, u32 reg) 2019 { 2020 u32 value; 2021 unsigned long reg_flags; 2022 2023 spin_lock_irqsave(&il->reg_lock, reg_flags); 2024 _il_grab_nic_access(il); 2025 value = _il_rd(il, reg); 2026 _il_release_nic_access(il); 2027 spin_unlock_irqrestore(&il->reg_lock, reg_flags); 2028 return value; 2029 } 2030 2031 static inline void 2032 il_wr(struct il_priv *il, u32 reg, u32 value) 2033 { 2034 unsigned long reg_flags; 2035 2036 spin_lock_irqsave(&il->reg_lock, reg_flags); 2037 if (likely(_il_grab_nic_access(il))) { 2038 _il_wr(il, reg, value); 2039 _il_release_nic_access(il); 2040 } 2041 spin_unlock_irqrestore(&il->reg_lock, reg_flags); 2042 } 2043 2044 static inline u32 2045 _il_rd_prph(struct il_priv *il, u32 reg) 2046 { 2047 _il_wr(il, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); 2048 return _il_rd(il, HBUS_TARG_PRPH_RDAT); 2049 } 2050 2051 static inline void 2052 _il_wr_prph(struct il_priv *il, u32 addr, u32 val) 2053 { 2054 _il_wr(il, HBUS_TARG_PRPH_WADDR, ((addr & 0x0000FFFF) | (3 << 24))); 2055 _il_wr(il, HBUS_TARG_PRPH_WDAT, val); 2056 } 2057 2058 static inline void 2059 il_set_bits_prph(struct il_priv *il, u32 reg, u32 mask) 2060 { 2061 unsigned long reg_flags; 2062 2063 spin_lock_irqsave(&il->reg_lock, reg_flags); 2064 if (likely(_il_grab_nic_access(il))) { 2065 _il_wr_prph(il, reg, (_il_rd_prph(il, reg) | mask)); 2066 _il_release_nic_access(il); 2067 } 2068 spin_unlock_irqrestore(&il->reg_lock, reg_flags); 2069 } 2070 2071 static inline void 2072 il_set_bits_mask_prph(struct il_priv *il, u32 reg, u32 bits, u32 mask) 2073 { 2074 unsigned long reg_flags; 2075 2076 spin_lock_irqsave(&il->reg_lock, reg_flags); 2077 if (likely(_il_grab_nic_access(il))) { 2078 _il_wr_prph(il, reg, ((_il_rd_prph(il, reg) & mask) | bits)); 2079 _il_release_nic_access(il); 2080 } 2081 spin_unlock_irqrestore(&il->reg_lock, reg_flags); 2082 } 2083 2084 static inline void 2085 il_clear_bits_prph(struct il_priv *il, u32 reg, u32 mask) 2086 { 2087 unsigned long reg_flags; 2088 u32 val; 2089 2090 spin_lock_irqsave(&il->reg_lock, reg_flags); 2091 if (likely(_il_grab_nic_access(il))) { 2092 val = _il_rd_prph(il, reg); 2093 _il_wr_prph(il, reg, (val & ~mask)); 2094 _il_release_nic_access(il); 2095 } 2096 spin_unlock_irqrestore(&il->reg_lock, reg_flags); 2097 } 2098 2099 #define HW_KEY_DYNAMIC 0 2100 #define HW_KEY_DEFAULT 1 2101 2102 #define IL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */ 2103 #define IL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */ 2104 #define IL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of 2105 being activated */ 2106 #define IL_STA_LOCAL BIT(3) /* station state not directed by mac80211; 2107 (this is for the IBSS BSSID stations) */ 2108 #define IL_STA_BCAST BIT(4) /* this station is the special bcast station */ 2109 2110 void il_restore_stations(struct il_priv *il); 2111 void il_clear_ucode_stations(struct il_priv *il); 2112 void il_dealloc_bcast_stations(struct il_priv *il); 2113 int il_get_free_ucode_key_idx(struct il_priv *il); 2114 int il_send_add_sta(struct il_priv *il, struct il_addsta_cmd *sta, u8 flags); 2115 int il_add_station_common(struct il_priv *il, const u8 *addr, bool is_ap, 2116 struct ieee80211_sta *sta, u8 *sta_id_r); 2117 int il_remove_station(struct il_priv *il, const u8 sta_id, const u8 * addr); 2118 int il_mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 2119 struct ieee80211_sta *sta); 2120 2121 u8 il_prep_station(struct il_priv *il, const u8 *addr, bool is_ap, 2122 struct ieee80211_sta *sta); 2123 2124 int il_send_lq_cmd(struct il_priv *il, struct il_link_quality_cmd *lq, 2125 u8 flags, bool init); 2126 2127 /** 2128 * il_clear_driver_stations - clear knowledge of all stations from driver 2129 * @il: iwl il struct 2130 * 2131 * This is called during il_down() to make sure that in the case 2132 * we're coming there from a hardware restart mac80211 will be 2133 * able to reconfigure stations -- if we're getting there in the 2134 * normal down flow then the stations will already be cleared. 2135 */ 2136 static inline void 2137 il_clear_driver_stations(struct il_priv *il) 2138 { 2139 unsigned long flags; 2140 2141 spin_lock_irqsave(&il->sta_lock, flags); 2142 memset(il->stations, 0, sizeof(il->stations)); 2143 il->num_stations = 0; 2144 il->ucode_key_table = 0; 2145 spin_unlock_irqrestore(&il->sta_lock, flags); 2146 } 2147 2148 static inline int 2149 il_sta_id(struct ieee80211_sta *sta) 2150 { 2151 if (WARN_ON(!sta)) 2152 return IL_INVALID_STATION; 2153 2154 return ((struct il_station_priv_common *)sta->drv_priv)->sta_id; 2155 } 2156 2157 /** 2158 * il_sta_id_or_broadcast - return sta_id or broadcast sta 2159 * @il: iwl il 2160 * @context: the current context 2161 * @sta: mac80211 station 2162 * 2163 * In certain circumstances mac80211 passes a station pointer 2164 * that may be %NULL, for example during TX or key setup. In 2165 * that case, we need to use the broadcast station, so this 2166 * inline wraps that pattern. 2167 */ 2168 static inline int 2169 il_sta_id_or_broadcast(struct il_priv *il, struct ieee80211_sta *sta) 2170 { 2171 int sta_id; 2172 2173 if (!sta) 2174 return il->hw_params.bcast_id; 2175 2176 sta_id = il_sta_id(sta); 2177 2178 /* 2179 * mac80211 should not be passing a partially 2180 * initialised station! 2181 */ 2182 WARN_ON(sta_id == IL_INVALID_STATION); 2183 2184 return sta_id; 2185 } 2186 2187 /** 2188 * il_queue_inc_wrap - increment queue idx, wrap back to beginning 2189 * @idx -- current idx 2190 * @n_bd -- total number of entries in queue (must be power of 2) 2191 */ 2192 static inline int 2193 il_queue_inc_wrap(int idx, int n_bd) 2194 { 2195 return ++idx & (n_bd - 1); 2196 } 2197 2198 /** 2199 * il_queue_dec_wrap - decrement queue idx, wrap back to end 2200 * @idx -- current idx 2201 * @n_bd -- total number of entries in queue (must be power of 2) 2202 */ 2203 static inline int 2204 il_queue_dec_wrap(int idx, int n_bd) 2205 { 2206 return --idx & (n_bd - 1); 2207 } 2208 2209 /* TODO: Move fw_desc functions to iwl-pci.ko */ 2210 static inline void 2211 il_free_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) 2212 { 2213 if (desc->v_addr) 2214 dma_free_coherent(&pci_dev->dev, desc->len, desc->v_addr, 2215 desc->p_addr); 2216 desc->v_addr = NULL; 2217 desc->len = 0; 2218 } 2219 2220 static inline int 2221 il_alloc_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) 2222 { 2223 if (!desc->len) { 2224 desc->v_addr = NULL; 2225 return -EINVAL; 2226 } 2227 2228 desc->v_addr = dma_alloc_coherent(&pci_dev->dev, desc->len, 2229 &desc->p_addr, GFP_KERNEL); 2230 return (desc->v_addr != NULL) ? 0 : -ENOMEM; 2231 } 2232 2233 /* 2234 * we have 8 bits used like this: 2235 * 2236 * 7 6 5 4 3 2 1 0 2237 * | | | | | | | | 2238 * | | | | | | +-+-------- AC queue (0-3) 2239 * | | | | | | 2240 * | +-+-+-+-+------------ HW queue ID 2241 * | 2242 * +---------------------- unused 2243 */ 2244 static inline void 2245 il_set_swq_id(struct il_tx_queue *txq, u8 ac, u8 hwq) 2246 { 2247 BUG_ON(ac > 3); /* only have 2 bits */ 2248 BUG_ON(hwq > 31); /* only use 5 bits */ 2249 2250 txq->swq_id = (hwq << 2) | ac; 2251 } 2252 2253 static inline void 2254 _il_wake_queue(struct il_priv *il, u8 ac) 2255 { 2256 if (atomic_dec_return(&il->queue_stop_count[ac]) <= 0) 2257 ieee80211_wake_queue(il->hw, ac); 2258 } 2259 2260 static inline void 2261 _il_stop_queue(struct il_priv *il, u8 ac) 2262 { 2263 if (atomic_inc_return(&il->queue_stop_count[ac]) > 0) 2264 ieee80211_stop_queue(il->hw, ac); 2265 } 2266 static inline void 2267 il_wake_queue(struct il_priv *il, struct il_tx_queue *txq) 2268 { 2269 u8 queue = txq->swq_id; 2270 u8 ac = queue & 3; 2271 u8 hwq = (queue >> 2) & 0x1f; 2272 2273 if (test_and_clear_bit(hwq, il->queue_stopped)) 2274 _il_wake_queue(il, ac); 2275 } 2276 2277 static inline void 2278 il_stop_queue(struct il_priv *il, struct il_tx_queue *txq) 2279 { 2280 u8 queue = txq->swq_id; 2281 u8 ac = queue & 3; 2282 u8 hwq = (queue >> 2) & 0x1f; 2283 2284 if (!test_and_set_bit(hwq, il->queue_stopped)) 2285 _il_stop_queue(il, ac); 2286 } 2287 2288 static inline void 2289 il_wake_queues_by_reason(struct il_priv *il, int reason) 2290 { 2291 u8 ac; 2292 2293 if (test_and_clear_bit(reason, &il->stop_reason)) 2294 for (ac = 0; ac < 4; ac++) 2295 _il_wake_queue(il, ac); 2296 } 2297 2298 static inline void 2299 il_stop_queues_by_reason(struct il_priv *il, int reason) 2300 { 2301 u8 ac; 2302 2303 if (!test_and_set_bit(reason, &il->stop_reason)) 2304 for (ac = 0; ac < 4; ac++) 2305 _il_stop_queue(il, ac); 2306 } 2307 2308 #ifdef ieee80211_stop_queue 2309 #undef ieee80211_stop_queue 2310 #endif 2311 2312 #define ieee80211_stop_queue DO_NOT_USE_ieee80211_stop_queue 2313 2314 #ifdef ieee80211_wake_queue 2315 #undef ieee80211_wake_queue 2316 #endif 2317 2318 #define ieee80211_wake_queue DO_NOT_USE_ieee80211_wake_queue 2319 2320 static inline void 2321 il_disable_interrupts(struct il_priv *il) 2322 { 2323 clear_bit(S_INT_ENABLED, &il->status); 2324 2325 /* disable interrupts from uCode/NIC to host */ 2326 _il_wr(il, CSR_INT_MASK, 0x00000000); 2327 2328 /* acknowledge/clear/reset any interrupts still pending 2329 * from uCode or flow handler (Rx/Tx DMA) */ 2330 _il_wr(il, CSR_INT, 0xffffffff); 2331 _il_wr(il, CSR_FH_INT_STATUS, 0xffffffff); 2332 } 2333 2334 static inline void 2335 il_enable_rfkill_int(struct il_priv *il) 2336 { 2337 _il_wr(il, CSR_INT_MASK, CSR_INT_BIT_RF_KILL); 2338 } 2339 2340 static inline void 2341 il_enable_interrupts(struct il_priv *il) 2342 { 2343 set_bit(S_INT_ENABLED, &il->status); 2344 _il_wr(il, CSR_INT_MASK, il->inta_mask); 2345 } 2346 2347 /** 2348 * il_beacon_time_mask_low - mask of lower 32 bit of beacon time 2349 * @il -- pointer to il_priv data structure 2350 * @tsf_bits -- number of bits need to shift for masking) 2351 */ 2352 static inline u32 2353 il_beacon_time_mask_low(struct il_priv *il, u16 tsf_bits) 2354 { 2355 return (1 << tsf_bits) - 1; 2356 } 2357 2358 /** 2359 * il_beacon_time_mask_high - mask of higher 32 bit of beacon time 2360 * @il -- pointer to il_priv data structure 2361 * @tsf_bits -- number of bits need to shift for masking) 2362 */ 2363 static inline u32 2364 il_beacon_time_mask_high(struct il_priv *il, u16 tsf_bits) 2365 { 2366 return ((1 << (32 - tsf_bits)) - 1) << tsf_bits; 2367 } 2368 2369 /** 2370 * struct il_rb_status - reseve buffer status host memory mapped FH registers 2371 * 2372 * @closed_rb_num [0:11] - Indicates the idx of the RB which was closed 2373 * @closed_fr_num [0:11] - Indicates the idx of the RX Frame which was closed 2374 * @finished_rb_num [0:11] - Indicates the idx of the current RB 2375 * in which the last frame was written to 2376 * @finished_fr_num [0:11] - Indicates the idx of the RX Frame 2377 * which was transferred 2378 */ 2379 struct il_rb_status { 2380 __le16 closed_rb_num; 2381 __le16 closed_fr_num; 2382 __le16 finished_rb_num; 2383 __le16 finished_fr_nam; 2384 __le32 __unused; /* 3945 only */ 2385 } __packed; 2386 2387 #define TFD_QUEUE_SIZE_MAX 256 2388 #define TFD_QUEUE_SIZE_BC_DUP 64 2389 #define TFD_QUEUE_BC_SIZE (TFD_QUEUE_SIZE_MAX + TFD_QUEUE_SIZE_BC_DUP) 2390 #define IL_TX_DMA_MASK DMA_BIT_MASK(36) 2391 #define IL_NUM_OF_TBS 20 2392 2393 static inline u8 2394 il_get_dma_hi_addr(dma_addr_t addr) 2395 { 2396 return (sizeof(addr) > sizeof(u32) ? (addr >> 16) >> 16 : 0) & 0xF; 2397 } 2398 2399 /** 2400 * struct il_tfd_tb transmit buffer descriptor within transmit frame descriptor 2401 * 2402 * This structure contains dma address and length of transmission address 2403 * 2404 * @lo: low [31:0] portion of the dma address of TX buffer every even is 2405 * unaligned on 16 bit boundary 2406 * @hi_n_len: 0-3 [35:32] portion of dma 2407 * 4-15 length of the tx buffer 2408 */ 2409 struct il_tfd_tb { 2410 __le32 lo; 2411 __le16 hi_n_len; 2412 } __packed; 2413 2414 /** 2415 * struct il_tfd 2416 * 2417 * Transmit Frame Descriptor (TFD) 2418 * 2419 * @ __reserved1[3] reserved 2420 * @ num_tbs 0-4 number of active tbs 2421 * 5 reserved 2422 * 6-7 padding (not used) 2423 * @ tbs[20] transmit frame buffer descriptors 2424 * @ __pad padding 2425 * 2426 * Each Tx queue uses a circular buffer of 256 TFDs stored in host DRAM. 2427 * Both driver and device share these circular buffers, each of which must be 2428 * contiguous 256 TFDs x 128 bytes-per-TFD = 32 KBytes 2429 * 2430 * Driver must indicate the physical address of the base of each 2431 * circular buffer via the FH49_MEM_CBBC_QUEUE registers. 2432 * 2433 * Each TFD contains pointer/size information for up to 20 data buffers 2434 * in host DRAM. These buffers collectively contain the (one) frame described 2435 * by the TFD. Each buffer must be a single contiguous block of memory within 2436 * itself, but buffers may be scattered in host DRAM. Each buffer has max size 2437 * of (4K - 4). The concatenates all of a TFD's buffers into a single 2438 * Tx frame, up to 8 KBytes in size. 2439 * 2440 * A maximum of 255 (not 256!) TFDs may be on a queue waiting for Tx. 2441 */ 2442 struct il_tfd { 2443 u8 __reserved1[3]; 2444 u8 num_tbs; 2445 struct il_tfd_tb tbs[IL_NUM_OF_TBS]; 2446 __le32 __pad; 2447 } __packed; 2448 /* PCI registers */ 2449 #define PCI_CFG_RETRY_TIMEOUT 0x041 2450 2451 struct il_rate_info { 2452 u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ 2453 u8 plcp_siso; /* uCode API: RATE_SISO_6M_PLCP, etc. */ 2454 u8 plcp_mimo2; /* uCode API: RATE_MIMO2_6M_PLCP, etc. */ 2455 u8 ieee; /* MAC header: RATE_6M_IEEE, etc. */ 2456 u8 prev_ieee; /* previous rate in IEEE speeds */ 2457 u8 next_ieee; /* next rate in IEEE speeds */ 2458 u8 prev_rs; /* previous rate used in rs algo */ 2459 u8 next_rs; /* next rate used in rs algo */ 2460 u8 prev_rs_tgg; /* previous rate used in TGG rs algo */ 2461 u8 next_rs_tgg; /* next rate used in TGG rs algo */ 2462 }; 2463 2464 struct il3945_rate_info { 2465 u8 plcp; /* uCode API: RATE_6M_PLCP, etc. */ 2466 u8 ieee; /* MAC header: RATE_6M_IEEE, etc. */ 2467 u8 prev_ieee; /* previous rate in IEEE speeds */ 2468 u8 next_ieee; /* next rate in IEEE speeds */ 2469 u8 prev_rs; /* previous rate used in rs algo */ 2470 u8 next_rs; /* next rate used in rs algo */ 2471 u8 prev_rs_tgg; /* previous rate used in TGG rs algo */ 2472 u8 next_rs_tgg; /* next rate used in TGG rs algo */ 2473 u8 table_rs_idx; /* idx in rate scale table cmd */ 2474 u8 prev_table_rs; /* prev in rate table cmd */ 2475 }; 2476 2477 /* 2478 * These serve as idxes into 2479 * struct il_rate_info il_rates[RATE_COUNT]; 2480 */ 2481 enum { 2482 RATE_1M_IDX = 0, 2483 RATE_2M_IDX, 2484 RATE_5M_IDX, 2485 RATE_11M_IDX, 2486 RATE_6M_IDX, 2487 RATE_9M_IDX, 2488 RATE_12M_IDX, 2489 RATE_18M_IDX, 2490 RATE_24M_IDX, 2491 RATE_36M_IDX, 2492 RATE_48M_IDX, 2493 RATE_54M_IDX, 2494 RATE_60M_IDX, 2495 RATE_COUNT, 2496 RATE_COUNT_LEGACY = RATE_COUNT - 1, /* Excluding 60M */ 2497 RATE_COUNT_3945 = RATE_COUNT - 1, 2498 RATE_INVM_IDX = RATE_COUNT, 2499 RATE_INVALID = RATE_COUNT, 2500 }; 2501 2502 enum { 2503 RATE_6M_IDX_TBL = 0, 2504 RATE_9M_IDX_TBL, 2505 RATE_12M_IDX_TBL, 2506 RATE_18M_IDX_TBL, 2507 RATE_24M_IDX_TBL, 2508 RATE_36M_IDX_TBL, 2509 RATE_48M_IDX_TBL, 2510 RATE_54M_IDX_TBL, 2511 RATE_1M_IDX_TBL, 2512 RATE_2M_IDX_TBL, 2513 RATE_5M_IDX_TBL, 2514 RATE_11M_IDX_TBL, 2515 RATE_INVM_IDX_TBL = RATE_INVM_IDX - 1, 2516 }; 2517 2518 enum { 2519 IL_FIRST_OFDM_RATE = RATE_6M_IDX, 2520 IL39_LAST_OFDM_RATE = RATE_54M_IDX, 2521 IL_LAST_OFDM_RATE = RATE_60M_IDX, 2522 IL_FIRST_CCK_RATE = RATE_1M_IDX, 2523 IL_LAST_CCK_RATE = RATE_11M_IDX, 2524 }; 2525 2526 /* #define vs. enum to keep from defaulting to 'large integer' */ 2527 #define RATE_6M_MASK (1 << RATE_6M_IDX) 2528 #define RATE_9M_MASK (1 << RATE_9M_IDX) 2529 #define RATE_12M_MASK (1 << RATE_12M_IDX) 2530 #define RATE_18M_MASK (1 << RATE_18M_IDX) 2531 #define RATE_24M_MASK (1 << RATE_24M_IDX) 2532 #define RATE_36M_MASK (1 << RATE_36M_IDX) 2533 #define RATE_48M_MASK (1 << RATE_48M_IDX) 2534 #define RATE_54M_MASK (1 << RATE_54M_IDX) 2535 #define RATE_60M_MASK (1 << RATE_60M_IDX) 2536 #define RATE_1M_MASK (1 << RATE_1M_IDX) 2537 #define RATE_2M_MASK (1 << RATE_2M_IDX) 2538 #define RATE_5M_MASK (1 << RATE_5M_IDX) 2539 #define RATE_11M_MASK (1 << RATE_11M_IDX) 2540 2541 /* uCode API values for legacy bit rates, both OFDM and CCK */ 2542 enum { 2543 RATE_6M_PLCP = 13, 2544 RATE_9M_PLCP = 15, 2545 RATE_12M_PLCP = 5, 2546 RATE_18M_PLCP = 7, 2547 RATE_24M_PLCP = 9, 2548 RATE_36M_PLCP = 11, 2549 RATE_48M_PLCP = 1, 2550 RATE_54M_PLCP = 3, 2551 RATE_60M_PLCP = 3, /*FIXME:RS:should be removed */ 2552 RATE_1M_PLCP = 10, 2553 RATE_2M_PLCP = 20, 2554 RATE_5M_PLCP = 55, 2555 RATE_11M_PLCP = 110, 2556 /*FIXME:RS:add RATE_LEGACY_INVM_PLCP = 0, */ 2557 }; 2558 2559 /* uCode API values for OFDM high-throughput (HT) bit rates */ 2560 enum { 2561 RATE_SISO_6M_PLCP = 0, 2562 RATE_SISO_12M_PLCP = 1, 2563 RATE_SISO_18M_PLCP = 2, 2564 RATE_SISO_24M_PLCP = 3, 2565 RATE_SISO_36M_PLCP = 4, 2566 RATE_SISO_48M_PLCP = 5, 2567 RATE_SISO_54M_PLCP = 6, 2568 RATE_SISO_60M_PLCP = 7, 2569 RATE_MIMO2_6M_PLCP = 0x8, 2570 RATE_MIMO2_12M_PLCP = 0x9, 2571 RATE_MIMO2_18M_PLCP = 0xa, 2572 RATE_MIMO2_24M_PLCP = 0xb, 2573 RATE_MIMO2_36M_PLCP = 0xc, 2574 RATE_MIMO2_48M_PLCP = 0xd, 2575 RATE_MIMO2_54M_PLCP = 0xe, 2576 RATE_MIMO2_60M_PLCP = 0xf, 2577 RATE_SISO_INVM_PLCP, 2578 RATE_MIMO2_INVM_PLCP = RATE_SISO_INVM_PLCP, 2579 }; 2580 2581 /* MAC header values for bit rates */ 2582 enum { 2583 RATE_6M_IEEE = 12, 2584 RATE_9M_IEEE = 18, 2585 RATE_12M_IEEE = 24, 2586 RATE_18M_IEEE = 36, 2587 RATE_24M_IEEE = 48, 2588 RATE_36M_IEEE = 72, 2589 RATE_48M_IEEE = 96, 2590 RATE_54M_IEEE = 108, 2591 RATE_60M_IEEE = 120, 2592 RATE_1M_IEEE = 2, 2593 RATE_2M_IEEE = 4, 2594 RATE_5M_IEEE = 11, 2595 RATE_11M_IEEE = 22, 2596 }; 2597 2598 #define IL_CCK_BASIC_RATES_MASK \ 2599 (RATE_1M_MASK | \ 2600 RATE_2M_MASK) 2601 2602 #define IL_CCK_RATES_MASK \ 2603 (IL_CCK_BASIC_RATES_MASK | \ 2604 RATE_5M_MASK | \ 2605 RATE_11M_MASK) 2606 2607 #define IL_OFDM_BASIC_RATES_MASK \ 2608 (RATE_6M_MASK | \ 2609 RATE_12M_MASK | \ 2610 RATE_24M_MASK) 2611 2612 #define IL_OFDM_RATES_MASK \ 2613 (IL_OFDM_BASIC_RATES_MASK | \ 2614 RATE_9M_MASK | \ 2615 RATE_18M_MASK | \ 2616 RATE_36M_MASK | \ 2617 RATE_48M_MASK | \ 2618 RATE_54M_MASK) 2619 2620 #define IL_BASIC_RATES_MASK \ 2621 (IL_OFDM_BASIC_RATES_MASK | \ 2622 IL_CCK_BASIC_RATES_MASK) 2623 2624 #define RATES_MASK ((1 << RATE_COUNT) - 1) 2625 #define RATES_MASK_3945 ((1 << RATE_COUNT_3945) - 1) 2626 2627 #define IL_INVALID_VALUE -1 2628 2629 #define IL_MIN_RSSI_VAL -100 2630 #define IL_MAX_RSSI_VAL 0 2631 2632 /* These values specify how many Tx frame attempts before 2633 * searching for a new modulation mode */ 2634 #define IL_LEGACY_FAILURE_LIMIT 160 2635 #define IL_LEGACY_SUCCESS_LIMIT 480 2636 #define IL_LEGACY_TBL_COUNT 160 2637 2638 #define IL_NONE_LEGACY_FAILURE_LIMIT 400 2639 #define IL_NONE_LEGACY_SUCCESS_LIMIT 4500 2640 #define IL_NONE_LEGACY_TBL_COUNT 1500 2641 2642 /* Success ratio (ACKed / attempted tx frames) values (perfect is 128 * 100) */ 2643 #define IL_RS_GOOD_RATIO 12800 /* 100% */ 2644 #define RATE_SCALE_SWITCH 10880 /* 85% */ 2645 #define RATE_HIGH_TH 10880 /* 85% */ 2646 #define RATE_INCREASE_TH 6400 /* 50% */ 2647 #define RATE_DECREASE_TH 1920 /* 15% */ 2648 2649 /* possible actions when in legacy mode */ 2650 #define IL_LEGACY_SWITCH_ANTENNA1 0 2651 #define IL_LEGACY_SWITCH_ANTENNA2 1 2652 #define IL_LEGACY_SWITCH_SISO 2 2653 #define IL_LEGACY_SWITCH_MIMO2_AB 3 2654 #define IL_LEGACY_SWITCH_MIMO2_AC 4 2655 #define IL_LEGACY_SWITCH_MIMO2_BC 5 2656 2657 /* possible actions when in siso mode */ 2658 #define IL_SISO_SWITCH_ANTENNA1 0 2659 #define IL_SISO_SWITCH_ANTENNA2 1 2660 #define IL_SISO_SWITCH_MIMO2_AB 2 2661 #define IL_SISO_SWITCH_MIMO2_AC 3 2662 #define IL_SISO_SWITCH_MIMO2_BC 4 2663 #define IL_SISO_SWITCH_GI 5 2664 2665 /* possible actions when in mimo mode */ 2666 #define IL_MIMO2_SWITCH_ANTENNA1 0 2667 #define IL_MIMO2_SWITCH_ANTENNA2 1 2668 #define IL_MIMO2_SWITCH_SISO_A 2 2669 #define IL_MIMO2_SWITCH_SISO_B 3 2670 #define IL_MIMO2_SWITCH_SISO_C 4 2671 #define IL_MIMO2_SWITCH_GI 5 2672 2673 #define IL_MAX_SEARCH IL_MIMO2_SWITCH_GI 2674 2675 #define IL_ACTION_LIMIT 3 /* # possible actions */ 2676 2677 #define LQ_SIZE 2 /* 2 mode tables: "Active" and "Search" */ 2678 2679 /* load per tid defines for A-MPDU activation */ 2680 #define IL_AGG_TPT_THREHOLD 0 2681 #define IL_AGG_LOAD_THRESHOLD 10 2682 #define IL_AGG_ALL_TID 0xff 2683 #define TID_QUEUE_CELL_SPACING 50 /*mS */ 2684 #define TID_QUEUE_MAX_SIZE 20 2685 #define TID_ROUND_VALUE 5 /* mS */ 2686 #define TID_MAX_LOAD_COUNT 8 2687 2688 #define TID_MAX_TIME_DIFF ((TID_QUEUE_MAX_SIZE - 1) * TID_QUEUE_CELL_SPACING) 2689 #define TIME_WRAP_AROUND(x, y) (((y) > (x)) ? (y) - (x) : (0-(x)) + (y)) 2690 2691 extern const struct il_rate_info il_rates[RATE_COUNT]; 2692 2693 enum il_table_type { 2694 LQ_NONE, 2695 LQ_G, /* legacy types */ 2696 LQ_A, 2697 LQ_SISO, /* high-throughput types */ 2698 LQ_MIMO2, 2699 LQ_MAX, 2700 }; 2701 2702 #define is_legacy(tbl) ((tbl) == LQ_G || (tbl) == LQ_A) 2703 #define is_siso(tbl) ((tbl) == LQ_SISO) 2704 #define is_mimo2(tbl) ((tbl) == LQ_MIMO2) 2705 #define is_mimo(tbl) (is_mimo2(tbl)) 2706 #define is_Ht(tbl) (is_siso(tbl) || is_mimo(tbl)) 2707 #define is_a_band(tbl) ((tbl) == LQ_A) 2708 #define is_g_and(tbl) ((tbl) == LQ_G) 2709 2710 #define ANT_NONE 0x0 2711 #define ANT_A BIT(0) 2712 #define ANT_B BIT(1) 2713 #define ANT_AB (ANT_A | ANT_B) 2714 #define ANT_C BIT(2) 2715 #define ANT_AC (ANT_A | ANT_C) 2716 #define ANT_BC (ANT_B | ANT_C) 2717 #define ANT_ABC (ANT_AB | ANT_C) 2718 2719 #define IL_MAX_MCS_DISPLAY_SIZE 12 2720 2721 struct il_rate_mcs_info { 2722 char mbps[IL_MAX_MCS_DISPLAY_SIZE]; 2723 char mcs[IL_MAX_MCS_DISPLAY_SIZE]; 2724 }; 2725 2726 /** 2727 * struct il_rate_scale_data -- tx success history for one rate 2728 */ 2729 struct il_rate_scale_data { 2730 u64 data; /* bitmap of successful frames */ 2731 s32 success_counter; /* number of frames successful */ 2732 s32 success_ratio; /* per-cent * 128 */ 2733 s32 counter; /* number of frames attempted */ 2734 s32 average_tpt; /* success ratio * expected throughput */ 2735 unsigned long stamp; 2736 }; 2737 2738 /** 2739 * struct il_scale_tbl_info -- tx params and success history for all rates 2740 * 2741 * There are two of these in struct il_lq_sta, 2742 * one for "active", and one for "search". 2743 */ 2744 struct il_scale_tbl_info { 2745 enum il_table_type lq_type; 2746 u8 ant_type; 2747 u8 is_SGI; /* 1 = short guard interval */ 2748 u8 is_ht40; /* 1 = 40 MHz channel width */ 2749 u8 is_dup; /* 1 = duplicated data streams */ 2750 u8 action; /* change modulation; IL_[LEGACY/SISO/MIMO]_SWITCH_* */ 2751 u8 max_search; /* maximun number of tables we can search */ 2752 s32 *expected_tpt; /* throughput metrics; expected_tpt_G, etc. */ 2753 u32 current_rate; /* rate_n_flags, uCode API format */ 2754 struct il_rate_scale_data win[RATE_COUNT]; /* rate histories */ 2755 }; 2756 2757 struct il_traffic_load { 2758 unsigned long time_stamp; /* age of the oldest stats */ 2759 u32 packet_count[TID_QUEUE_MAX_SIZE]; /* packet count in this time 2760 * slice */ 2761 u32 total; /* total num of packets during the 2762 * last TID_MAX_TIME_DIFF */ 2763 u8 queue_count; /* number of queues that has 2764 * been used since the last cleanup */ 2765 u8 head; /* start of the circular buffer */ 2766 }; 2767 2768 /** 2769 * struct il_lq_sta -- driver's rate scaling ilate structure 2770 * 2771 * Pointer to this gets passed back and forth between driver and mac80211. 2772 */ 2773 struct il_lq_sta { 2774 u8 active_tbl; /* idx of active table, range 0-1 */ 2775 u8 enable_counter; /* indicates HT mode */ 2776 u8 stay_in_tbl; /* 1: disallow, 0: allow search for new mode */ 2777 u8 search_better_tbl; /* 1: currently trying alternate mode */ 2778 s32 last_tpt; 2779 2780 /* The following determine when to search for a new mode */ 2781 u32 table_count_limit; 2782 u32 max_failure_limit; /* # failed frames before new search */ 2783 u32 max_success_limit; /* # successful frames before new search */ 2784 u32 table_count; 2785 u32 total_failed; /* total failed frames, any/all rates */ 2786 u32 total_success; /* total successful frames, any/all rates */ 2787 u64 flush_timer; /* time staying in mode before new search */ 2788 2789 u8 action_counter; /* # mode-switch actions tried */ 2790 u8 is_green; 2791 u8 is_dup; 2792 enum nl80211_band band; 2793 2794 /* The following are bitmaps of rates; RATE_6M_MASK, etc. */ 2795 u32 supp_rates; 2796 u16 active_legacy_rate; 2797 u16 active_siso_rate; 2798 u16 active_mimo2_rate; 2799 s8 max_rate_idx; /* Max rate set by user */ 2800 u8 missed_rate_counter; 2801 2802 struct il_link_quality_cmd lq; 2803 struct il_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ 2804 struct il_traffic_load load[TID_MAX_LOAD_COUNT]; 2805 u8 tx_agg_tid_en; 2806 #ifdef CONFIG_MAC80211_DEBUGFS 2807 u32 dbg_fixed_rate; 2808 #endif 2809 struct il_priv *drv; 2810 2811 /* used to be in sta_info */ 2812 int last_txrate_idx; 2813 /* last tx rate_n_flags */ 2814 u32 last_rate_n_flags; 2815 /* packets destined for this STA are aggregated */ 2816 u8 is_agg; 2817 }; 2818 2819 /* 2820 * il_station_priv: Driver's ilate station information 2821 * 2822 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 2823 * in the structure for use by driver. This structure is places in that 2824 * space. 2825 * 2826 * The common struct MUST be first because it is shared between 2827 * 3945 and 4965! 2828 */ 2829 struct il_station_priv { 2830 struct il_station_priv_common common; 2831 struct il_lq_sta lq_sta; 2832 atomic_t pending_frames; 2833 bool client; 2834 bool asleep; 2835 }; 2836 2837 static inline u8 2838 il4965_num_of_ant(u8 m) 2839 { 2840 return !!(m & ANT_A) + !!(m & ANT_B) + !!(m & ANT_C); 2841 } 2842 2843 static inline u8 2844 il4965_first_antenna(u8 mask) 2845 { 2846 if (mask & ANT_A) 2847 return ANT_A; 2848 if (mask & ANT_B) 2849 return ANT_B; 2850 return ANT_C; 2851 } 2852 2853 /** 2854 * il3945_rate_scale_init - Initialize the rate scale table based on assoc info 2855 * 2856 * The specific throughput table used is based on the type of network 2857 * the associated with, including A, B, G, and G w/ TGG protection 2858 */ 2859 void il3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id); 2860 2861 /* Initialize station's rate scaling information after adding station */ 2862 void il4965_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, 2863 u8 sta_id); 2864 void il3945_rs_rate_init(struct il_priv *il, struct ieee80211_sta *sta, 2865 u8 sta_id); 2866 2867 /** 2868 * il_rate_control_register - Register the rate control algorithm callbacks 2869 * 2870 * Since the rate control algorithm is hardware specific, there is no need 2871 * or reason to place it as a stand alone module. The driver can call 2872 * il_rate_control_register in order to register the rate control callbacks 2873 * with the mac80211 subsystem. This should be performed prior to calling 2874 * ieee80211_register_hw 2875 * 2876 */ 2877 int il4965_rate_control_register(void); 2878 int il3945_rate_control_register(void); 2879 2880 /** 2881 * il_rate_control_unregister - Unregister the rate control callbacks 2882 * 2883 * This should be called after calling ieee80211_unregister_hw, but before 2884 * the driver is unloaded. 2885 */ 2886 void il4965_rate_control_unregister(void); 2887 void il3945_rate_control_unregister(void); 2888 2889 int il_power_update_mode(struct il_priv *il, bool force); 2890 void il_power_initialize(struct il_priv *il); 2891 2892 extern u32 il_debug_level; 2893 2894 #ifdef CONFIG_IWLEGACY_DEBUG 2895 /* 2896 * il_get_debug_level: Return active debug level for device 2897 * 2898 * Using sysfs it is possible to set per device debug level. This debug 2899 * level will be used if set, otherwise the global debug level which can be 2900 * set via module parameter is used. 2901 */ 2902 static inline u32 2903 il_get_debug_level(struct il_priv *il) 2904 { 2905 if (il->debug_level) 2906 return il->debug_level; 2907 else 2908 return il_debug_level; 2909 } 2910 #else 2911 static inline u32 2912 il_get_debug_level(struct il_priv *il) 2913 { 2914 return il_debug_level; 2915 } 2916 #endif 2917 2918 #define il_print_hex_error(il, p, len) \ 2919 do { \ 2920 print_hex_dump(KERN_ERR, "iwl data: ", \ 2921 DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ 2922 } while (0) 2923 2924 #ifdef CONFIG_IWLEGACY_DEBUG 2925 #define IL_DBG(level, fmt, args...) \ 2926 do { \ 2927 if (il_get_debug_level(il) & level) \ 2928 dev_err(&il->hw->wiphy->dev, "%s " fmt, __func__, \ 2929 ##args); \ 2930 } while (0) 2931 2932 #define il_print_hex_dump(il, level, p, len) \ 2933 do { \ 2934 if (il_get_debug_level(il) & level) \ 2935 print_hex_dump(KERN_DEBUG, "iwl data: ", \ 2936 DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ 2937 } while (0) 2938 2939 #else 2940 #define IL_DBG(level, fmt, args...) no_printk(fmt, ##args) 2941 static inline void 2942 il_print_hex_dump(struct il_priv *il, int level, const void *p, u32 len) 2943 { 2944 } 2945 #endif /* CONFIG_IWLEGACY_DEBUG */ 2946 2947 #ifdef CONFIG_IWLEGACY_DEBUGFS 2948 void il_dbgfs_register(struct il_priv *il, const char *name); 2949 void il_dbgfs_unregister(struct il_priv *il); 2950 #else 2951 static inline void il_dbgfs_register(struct il_priv *il, const char *name) 2952 { 2953 } 2954 2955 static inline void 2956 il_dbgfs_unregister(struct il_priv *il) 2957 { 2958 } 2959 #endif /* CONFIG_IWLEGACY_DEBUGFS */ 2960 2961 /* 2962 * To use the debug system: 2963 * 2964 * If you are defining a new debug classification, simply add it to the #define 2965 * list here in the form of 2966 * 2967 * #define IL_DL_xxxx VALUE 2968 * 2969 * where xxxx should be the name of the classification (for example, WEP). 2970 * 2971 * You then need to either add a IL_xxxx_DEBUG() macro definition for your 2972 * classification, or use IL_DBG(IL_DL_xxxx, ...) whenever you want 2973 * to send output to that classification. 2974 * 2975 * The active debug levels can be accessed via files 2976 * 2977 * /sys/module/iwl4965/parameters/debug 2978 * /sys/module/iwl3945/parameters/debug 2979 * /sys/class/net/wlan0/device/debug_level 2980 * 2981 * when CONFIG_IWLEGACY_DEBUG=y. 2982 */ 2983 2984 /* 0x0000000F - 0x00000001 */ 2985 #define IL_DL_INFO (1 << 0) 2986 #define IL_DL_MAC80211 (1 << 1) 2987 #define IL_DL_HCMD (1 << 2) 2988 #define IL_DL_STATE (1 << 3) 2989 /* 0x000000F0 - 0x00000010 */ 2990 #define IL_DL_MACDUMP (1 << 4) 2991 #define IL_DL_HCMD_DUMP (1 << 5) 2992 #define IL_DL_EEPROM (1 << 6) 2993 #define IL_DL_RADIO (1 << 7) 2994 /* 0x00000F00 - 0x00000100 */ 2995 #define IL_DL_POWER (1 << 8) 2996 #define IL_DL_TEMP (1 << 9) 2997 #define IL_DL_NOTIF (1 << 10) 2998 #define IL_DL_SCAN (1 << 11) 2999 /* 0x0000F000 - 0x00001000 */ 3000 #define IL_DL_ASSOC (1 << 12) 3001 #define IL_DL_DROP (1 << 13) 3002 #define IL_DL_TXPOWER (1 << 14) 3003 #define IL_DL_AP (1 << 15) 3004 /* 0x000F0000 - 0x00010000 */ 3005 #define IL_DL_FW (1 << 16) 3006 #define IL_DL_RF_KILL (1 << 17) 3007 #define IL_DL_FW_ERRORS (1 << 18) 3008 #define IL_DL_LED (1 << 19) 3009 /* 0x00F00000 - 0x00100000 */ 3010 #define IL_DL_RATE (1 << 20) 3011 #define IL_DL_CALIB (1 << 21) 3012 #define IL_DL_WEP (1 << 22) 3013 #define IL_DL_TX (1 << 23) 3014 /* 0x0F000000 - 0x01000000 */ 3015 #define IL_DL_RX (1 << 24) 3016 #define IL_DL_ISR (1 << 25) 3017 #define IL_DL_HT (1 << 26) 3018 /* 0xF0000000 - 0x10000000 */ 3019 #define IL_DL_11H (1 << 28) 3020 #define IL_DL_STATS (1 << 29) 3021 #define IL_DL_TX_REPLY (1 << 30) 3022 #define IL_DL_QOS (1 << 31) 3023 3024 #define D_INFO(f, a...) IL_DBG(IL_DL_INFO, f, ## a) 3025 #define D_MAC80211(f, a...) IL_DBG(IL_DL_MAC80211, f, ## a) 3026 #define D_MACDUMP(f, a...) IL_DBG(IL_DL_MACDUMP, f, ## a) 3027 #define D_TEMP(f, a...) IL_DBG(IL_DL_TEMP, f, ## a) 3028 #define D_SCAN(f, a...) IL_DBG(IL_DL_SCAN, f, ## a) 3029 #define D_RX(f, a...) IL_DBG(IL_DL_RX, f, ## a) 3030 #define D_TX(f, a...) IL_DBG(IL_DL_TX, f, ## a) 3031 #define D_ISR(f, a...) IL_DBG(IL_DL_ISR, f, ## a) 3032 #define D_LED(f, a...) IL_DBG(IL_DL_LED, f, ## a) 3033 #define D_WEP(f, a...) IL_DBG(IL_DL_WEP, f, ## a) 3034 #define D_HC(f, a...) IL_DBG(IL_DL_HCMD, f, ## a) 3035 #define D_HC_DUMP(f, a...) IL_DBG(IL_DL_HCMD_DUMP, f, ## a) 3036 #define D_EEPROM(f, a...) IL_DBG(IL_DL_EEPROM, f, ## a) 3037 #define D_CALIB(f, a...) IL_DBG(IL_DL_CALIB, f, ## a) 3038 #define D_FW(f, a...) IL_DBG(IL_DL_FW, f, ## a) 3039 #define D_RF_KILL(f, a...) IL_DBG(IL_DL_RF_KILL, f, ## a) 3040 #define D_DROP(f, a...) IL_DBG(IL_DL_DROP, f, ## a) 3041 #define D_AP(f, a...) IL_DBG(IL_DL_AP, f, ## a) 3042 #define D_TXPOWER(f, a...) IL_DBG(IL_DL_TXPOWER, f, ## a) 3043 #define D_RATE(f, a...) IL_DBG(IL_DL_RATE, f, ## a) 3044 #define D_NOTIF(f, a...) IL_DBG(IL_DL_NOTIF, f, ## a) 3045 #define D_ASSOC(f, a...) IL_DBG(IL_DL_ASSOC, f, ## a) 3046 #define D_HT(f, a...) IL_DBG(IL_DL_HT, f, ## a) 3047 #define D_STATS(f, a...) IL_DBG(IL_DL_STATS, f, ## a) 3048 #define D_TX_REPLY(f, a...) IL_DBG(IL_DL_TX_REPLY, f, ## a) 3049 #define D_QOS(f, a...) IL_DBG(IL_DL_QOS, f, ## a) 3050 #define D_RADIO(f, a...) IL_DBG(IL_DL_RADIO, f, ## a) 3051 #define D_POWER(f, a...) IL_DBG(IL_DL_POWER, f, ## a) 3052 #define D_11H(f, a...) IL_DBG(IL_DL_11H, f, ## a) 3053 3054 #endif /* __il_core_h__ */ 3055