| 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 17 | * |
| 18 | * The full GNU General Public License is included in this distribution in the |
| 19 | * file called LICENSE. |
| 20 | * |
| 21 | * Contact Information: |
| 22 | * Intel Linux Wireless <ilw@linux.intel.com> |
| 23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 24 | * |
| 25 | *****************************************************************************/ |
| 26 | /* |
| 27 | * Please use this file (dev.h) for driver implementation definitions. |
| 28 | * Please use commands.h for uCode API definitions. |
| 29 | */ |
| 30 | |
| 31 | #ifndef __iwl_dev_h__ |
| 32 | #define __iwl_dev_h__ |
| 33 | |
| 34 | #include <linux/interrupt.h> |
| 35 | #include <linux/kernel.h> |
| 36 | #include <linux/wait.h> |
| 37 | #include <linux/leds.h> |
| 38 | #include <linux/slab.h> |
| 39 | #include <linux/mutex.h> |
| 40 | |
| 41 | #include "iwl-fw.h" |
| 42 | #include "iwl-eeprom-parse.h" |
| 43 | #include "iwl-csr.h" |
| 44 | #include "iwl-debug.h" |
| 45 | #include "iwl-agn-hw.h" |
| 46 | #include "iwl-op-mode.h" |
| 47 | #include "iwl-notif-wait.h" |
| 48 | #include "iwl-trans.h" |
| 49 | |
| 50 | #include "led.h" |
| 51 | #include "power.h" |
| 52 | #include "rs.h" |
| 53 | #include "tt.h" |
| 54 | |
| 55 | /* CT-KILL constants */ |
| 56 | #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ |
| 57 | #define CT_KILL_THRESHOLD 114 /* in Celsius */ |
| 58 | #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ |
| 59 | |
| 60 | /* Default noise level to report when noise measurement is not available. |
| 61 | * This may be because we're: |
| 62 | * 1) Not associated no beacon statistics being sent to driver) |
| 63 | * 2) Scanning (noise measurement does not apply to associated channel) |
| 64 | * Use default noise value of -127 ... this is below the range of measurable |
| 65 | * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user. |
| 66 | * Also, -127 works better than 0 when averaging frames with/without |
| 67 | * noise info (e.g. averaging might be done in app); measured dBm values are |
| 68 | * always negative ... using a negative value as the default keeps all |
| 69 | * averages within an s8's (used in some apps) range of negative values. */ |
| 70 | #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) |
| 71 | |
| 72 | /* |
| 73 | * RTS threshold here is total size [2347] minus 4 FCS bytes |
| 74 | * Per spec: |
| 75 | * a value of 0 means RTS on all data/management packets |
| 76 | * a value > max MSDU size means no RTS |
| 77 | * else RTS for data/management frames where MPDU is larger |
| 78 | * than RTS value. |
| 79 | */ |
| 80 | #define DEFAULT_RTS_THRESHOLD 2347U |
| 81 | #define MIN_RTS_THRESHOLD 0U |
| 82 | #define MAX_RTS_THRESHOLD 2347U |
| 83 | #define MAX_MSDU_SIZE 2304U |
| 84 | #define MAX_MPDU_SIZE 2346U |
| 85 | #define DEFAULT_BEACON_INTERVAL 200U |
| 86 | #define DEFAULT_SHORT_RETRY_LIMIT 7U |
| 87 | #define DEFAULT_LONG_RETRY_LIMIT 4U |
| 88 | |
| 89 | #define IWL_NUM_SCAN_RATES (2) |
| 90 | |
| 91 | |
| 92 | #define IEEE80211_DATA_LEN 2304 |
| 93 | #define IEEE80211_4ADDR_LEN 30 |
| 94 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
| 95 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) |
| 96 | |
| 97 | #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 |
| 98 | #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 |
| 99 | #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 |
| 100 | |
| 101 | #define IWL_SUPPORTED_RATES_IE_LEN 8 |
| 102 | |
| 103 | #define IWL_INVALID_RATE 0xFF |
| 104 | #define IWL_INVALID_VALUE -1 |
| 105 | |
| 106 | union iwl_ht_rate_supp { |
| 107 | u16 rates; |
| 108 | struct { |
| 109 | u8 siso_rate; |
| 110 | u8 mimo_rate; |
| 111 | }; |
| 112 | }; |
| 113 | |
| 114 | struct iwl_ht_config { |
| 115 | bool single_chain_sufficient; |
| 116 | enum ieee80211_smps_mode smps; /* current smps mode */ |
| 117 | }; |
| 118 | |
| 119 | /* QoS structures */ |
| 120 | struct iwl_qos_info { |
| 121 | int qos_active; |
| 122 | struct iwl_qosparam_cmd def_qos_parm; |
| 123 | }; |
| 124 | |
| 125 | /** |
| 126 | * enum iwl_agg_state |
| 127 | * |
| 128 | * The state machine of the BA agreement establishment / tear down. |
| 129 | * These states relate to a specific RA / TID. |
| 130 | * |
| 131 | * @IWL_AGG_OFF: aggregation is not used |
| 132 | * @IWL_AGG_STARTING: aggregation are starting (between start and oper) |
| 133 | * @IWL_AGG_ON: aggregation session is up |
| 134 | * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the |
| 135 | * HW queue to be empty from packets for this RA /TID. |
| 136 | * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the |
| 137 | * HW queue to be empty from packets for this RA /TID. |
| 138 | */ |
| 139 | enum iwl_agg_state { |
| 140 | IWL_AGG_OFF = 0, |
| 141 | IWL_AGG_STARTING, |
| 142 | IWL_AGG_ON, |
| 143 | IWL_EMPTYING_HW_QUEUE_ADDBA, |
| 144 | IWL_EMPTYING_HW_QUEUE_DELBA, |
| 145 | }; |
| 146 | |
| 147 | /** |
| 148 | * struct iwl_ht_agg - aggregation state machine |
| 149 | |
| 150 | * This structs holds the states for the BA agreement establishment and tear |
| 151 | * down. It also holds the state during the BA session itself. This struct is |
| 152 | * duplicated for each RA / TID. |
| 153 | |
| 154 | * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the |
| 155 | * Tx response (REPLY_TX), and the block ack notification |
| 156 | * (REPLY_COMPRESSED_BA). |
| 157 | * @state: state of the BA agreement establishment / tear down. |
| 158 | * @txq_id: Tx queue used by the BA session |
| 159 | * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or |
| 160 | * the first packet to be sent in legacy HW queue in Tx AGG stop flow. |
| 161 | * Basically when next_reclaimed reaches ssn, we can tell mac80211 that |
| 162 | * we are ready to finish the Tx AGG stop / start flow. |
| 163 | * @wait_for_ba: Expect block-ack before next Tx reply |
| 164 | */ |
| 165 | struct iwl_ht_agg { |
| 166 | u32 rate_n_flags; |
| 167 | enum iwl_agg_state state; |
| 168 | u16 txq_id; |
| 169 | u16 ssn; |
| 170 | bool wait_for_ba; |
| 171 | }; |
| 172 | |
| 173 | /** |
| 174 | * struct iwl_tid_data - one for each RA / TID |
| 175 | |
| 176 | * This structs holds the states for each RA / TID. |
| 177 | |
| 178 | * @seq_number: the next WiFi sequence number to use |
| 179 | * @next_reclaimed: the WiFi sequence number of the next packet to be acked. |
| 180 | * This is basically (last acked packet++). |
| 181 | * @agg: aggregation state machine |
| 182 | */ |
| 183 | struct iwl_tid_data { |
| 184 | u16 seq_number; |
| 185 | u16 next_reclaimed; |
| 186 | struct iwl_ht_agg agg; |
| 187 | }; |
| 188 | |
| 189 | /* |
| 190 | * Structure should be accessed with sta_lock held. When station addition |
| 191 | * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only |
| 192 | * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock |
| 193 | * held. |
| 194 | */ |
| 195 | struct iwl_station_entry { |
| 196 | struct iwl_addsta_cmd sta; |
| 197 | u8 used, ctxid; |
| 198 | struct iwl_link_quality_cmd *lq; |
| 199 | }; |
| 200 | |
| 201 | /* |
| 202 | * iwl_station_priv: Driver's private station information |
| 203 | * |
| 204 | * When mac80211 creates a station it reserves some space (hw->sta_data_size) |
| 205 | * in the structure for use by driver. This structure is places in that |
| 206 | * space. |
| 207 | */ |
| 208 | struct iwl_station_priv { |
| 209 | struct iwl_rxon_context *ctx; |
| 210 | struct iwl_lq_sta lq_sta; |
| 211 | atomic_t pending_frames; |
| 212 | bool client; |
| 213 | bool asleep; |
| 214 | u8 max_agg_bufsize; |
| 215 | u8 sta_id; |
| 216 | }; |
| 217 | |
| 218 | /** |
| 219 | * struct iwl_vif_priv - driver's private per-interface information |
| 220 | * |
| 221 | * When mac80211 allocates a virtual interface, it can allocate |
| 222 | * space for us to put data into. |
| 223 | */ |
| 224 | struct iwl_vif_priv { |
| 225 | struct iwl_rxon_context *ctx; |
| 226 | u8 ibss_bssid_sta_id; |
| 227 | }; |
| 228 | |
| 229 | struct iwl_sensitivity_ranges { |
| 230 | u16 min_nrg_cck; |
| 231 | |
| 232 | u16 nrg_th_cck; |
| 233 | u16 nrg_th_ofdm; |
| 234 | |
| 235 | u16 auto_corr_min_ofdm; |
| 236 | u16 auto_corr_min_ofdm_mrc; |
| 237 | u16 auto_corr_min_ofdm_x1; |
| 238 | u16 auto_corr_min_ofdm_mrc_x1; |
| 239 | |
| 240 | u16 auto_corr_max_ofdm; |
| 241 | u16 auto_corr_max_ofdm_mrc; |
| 242 | u16 auto_corr_max_ofdm_x1; |
| 243 | u16 auto_corr_max_ofdm_mrc_x1; |
| 244 | |
| 245 | u16 auto_corr_max_cck; |
| 246 | u16 auto_corr_max_cck_mrc; |
| 247 | u16 auto_corr_min_cck; |
| 248 | u16 auto_corr_min_cck_mrc; |
| 249 | |
| 250 | u16 barker_corr_th_min; |
| 251 | u16 barker_corr_th_min_mrc; |
| 252 | u16 nrg_th_cca; |
| 253 | }; |
| 254 | |
| 255 | |
| 256 | #define KELVIN_TO_CELSIUS(x) ((x)-273) |
| 257 | #define CELSIUS_TO_KELVIN(x) ((x)+273) |
| 258 | |
| 259 | |
| 260 | /****************************************************************************** |
| 261 | * |
| 262 | * Functions implemented in core module which are forward declared here |
| 263 | * for use by iwl-[4-5].c |
| 264 | * |
| 265 | * NOTE: The implementation of these functions are not hardware specific |
| 266 | * which is why they are in the core module files. |
| 267 | * |
| 268 | * Naming convention -- |
| 269 | * iwl_ <-- Is part of iwlwifi |
| 270 | * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
| 271 | * |
| 272 | ****************************************************************************/ |
| 273 | void iwl_update_chain_flags(struct iwl_priv *priv); |
| 274 | extern const u8 iwl_bcast_addr[ETH_ALEN]; |
| 275 | |
| 276 | #define IWL_OPERATION_MODE_AUTO 0 |
| 277 | #define IWL_OPERATION_MODE_HT_ONLY 1 |
| 278 | #define IWL_OPERATION_MODE_MIXED 2 |
| 279 | #define IWL_OPERATION_MODE_20MHZ 3 |
| 280 | |
| 281 | #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 |
| 282 | |
| 283 | /* Sensitivity and chain noise calibration */ |
| 284 | #define INITIALIZATION_VALUE 0xFFFF |
| 285 | #define IWL_CAL_NUM_BEACONS 16 |
| 286 | #define MAXIMUM_ALLOWED_PATHLOSS 15 |
| 287 | |
| 288 | #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 |
| 289 | |
| 290 | #define MAX_FA_OFDM 50 |
| 291 | #define MIN_FA_OFDM 5 |
| 292 | #define MAX_FA_CCK 50 |
| 293 | #define MIN_FA_CCK 5 |
| 294 | |
| 295 | #define AUTO_CORR_STEP_OFDM 1 |
| 296 | |
| 297 | #define AUTO_CORR_STEP_CCK 3 |
| 298 | #define AUTO_CORR_MAX_TH_CCK 160 |
| 299 | |
| 300 | #define NRG_DIFF 2 |
| 301 | #define NRG_STEP_CCK 2 |
| 302 | #define NRG_MARGIN 8 |
| 303 | #define MAX_NUMBER_CCK_NO_FA 100 |
| 304 | |
| 305 | #define AUTO_CORR_CCK_MIN_VAL_DEF (125) |
| 306 | |
| 307 | #define CHAIN_A 0 |
| 308 | #define CHAIN_B 1 |
| 309 | #define CHAIN_C 2 |
| 310 | #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 |
| 311 | #define ALL_BAND_FILTER 0xFF00 |
| 312 | #define IN_BAND_FILTER 0xFF |
| 313 | #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF |
| 314 | |
| 315 | #define NRG_NUM_PREV_STAT_L 20 |
| 316 | #define NUM_RX_CHAINS 3 |
| 317 | |
| 318 | enum iwlagn_false_alarm_state { |
| 319 | IWL_FA_TOO_MANY = 0, |
| 320 | IWL_FA_TOO_FEW = 1, |
| 321 | IWL_FA_GOOD_RANGE = 2, |
| 322 | }; |
| 323 | |
| 324 | enum iwlagn_chain_noise_state { |
| 325 | IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ |
| 326 | IWL_CHAIN_NOISE_ACCUMULATE, |
| 327 | IWL_CHAIN_NOISE_CALIBRATED, |
| 328 | IWL_CHAIN_NOISE_DONE, |
| 329 | }; |
| 330 | |
| 331 | /* Sensitivity calib data */ |
| 332 | struct iwl_sensitivity_data { |
| 333 | u32 auto_corr_ofdm; |
| 334 | u32 auto_corr_ofdm_mrc; |
| 335 | u32 auto_corr_ofdm_x1; |
| 336 | u32 auto_corr_ofdm_mrc_x1; |
| 337 | u32 auto_corr_cck; |
| 338 | u32 auto_corr_cck_mrc; |
| 339 | |
| 340 | u32 last_bad_plcp_cnt_ofdm; |
| 341 | u32 last_fa_cnt_ofdm; |
| 342 | u32 last_bad_plcp_cnt_cck; |
| 343 | u32 last_fa_cnt_cck; |
| 344 | |
| 345 | u32 nrg_curr_state; |
| 346 | u32 nrg_prev_state; |
| 347 | u32 nrg_value[10]; |
| 348 | u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; |
| 349 | u32 nrg_silence_ref; |
| 350 | u32 nrg_energy_idx; |
| 351 | u32 nrg_silence_idx; |
| 352 | u32 nrg_th_cck; |
| 353 | s32 nrg_auto_corr_silence_diff; |
| 354 | u32 num_in_cck_no_fa; |
| 355 | u32 nrg_th_ofdm; |
| 356 | |
| 357 | u16 barker_corr_th_min; |
| 358 | u16 barker_corr_th_min_mrc; |
| 359 | u16 nrg_th_cca; |
| 360 | }; |
| 361 | |
| 362 | /* Chain noise (differential Rx gain) calib data */ |
| 363 | struct iwl_chain_noise_data { |
| 364 | u32 active_chains; |
| 365 | u32 chain_noise_a; |
| 366 | u32 chain_noise_b; |
| 367 | u32 chain_noise_c; |
| 368 | u32 chain_signal_a; |
| 369 | u32 chain_signal_b; |
| 370 | u32 chain_signal_c; |
| 371 | u16 beacon_count; |
| 372 | u8 disconn_array[NUM_RX_CHAINS]; |
| 373 | u8 delta_gain_code[NUM_RX_CHAINS]; |
| 374 | u8 radio_write; |
| 375 | u8 state; |
| 376 | }; |
| 377 | |
| 378 | enum { |
| 379 | MEASUREMENT_READY = (1 << 0), |
| 380 | MEASUREMENT_ACTIVE = (1 << 1), |
| 381 | }; |
| 382 | |
| 383 | /* reply_tx_statistics (for _agn devices) */ |
| 384 | struct reply_tx_error_statistics { |
| 385 | u32 pp_delay; |
| 386 | u32 pp_few_bytes; |
| 387 | u32 pp_bt_prio; |
| 388 | u32 pp_quiet_period; |
| 389 | u32 pp_calc_ttak; |
| 390 | u32 int_crossed_retry; |
| 391 | u32 short_limit; |
| 392 | u32 long_limit; |
| 393 | u32 fifo_underrun; |
| 394 | u32 drain_flow; |
| 395 | u32 rfkill_flush; |
| 396 | u32 life_expire; |
| 397 | u32 dest_ps; |
| 398 | u32 host_abort; |
| 399 | u32 bt_retry; |
| 400 | u32 sta_invalid; |
| 401 | u32 frag_drop; |
| 402 | u32 tid_disable; |
| 403 | u32 fifo_flush; |
| 404 | u32 insuff_cf_poll; |
| 405 | u32 fail_hw_drop; |
| 406 | u32 sta_color_mismatch; |
| 407 | u32 unknown; |
| 408 | }; |
| 409 | |
| 410 | /* reply_agg_tx_statistics (for _agn devices) */ |
| 411 | struct reply_agg_tx_error_statistics { |
| 412 | u32 underrun; |
| 413 | u32 bt_prio; |
| 414 | u32 few_bytes; |
| 415 | u32 abort; |
| 416 | u32 last_sent_ttl; |
| 417 | u32 last_sent_try; |
| 418 | u32 last_sent_bt_kill; |
| 419 | u32 scd_query; |
| 420 | u32 bad_crc32; |
| 421 | u32 response; |
| 422 | u32 dump_tx; |
| 423 | u32 delay_tx; |
| 424 | u32 unknown; |
| 425 | }; |
| 426 | |
| 427 | /* |
| 428 | * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds |
| 429 | * to perform continuous uCode event logging operation if enabled |
| 430 | */ |
| 431 | #define UCODE_TRACE_PERIOD (10) |
| 432 | |
| 433 | /* |
| 434 | * iwl_event_log: current uCode event log position |
| 435 | * |
| 436 | * @ucode_trace: enable/disable ucode continuous trace timer |
| 437 | * @num_wraps: how many times the event buffer wraps |
| 438 | * @next_entry: the entry just before the next one that uCode would fill |
| 439 | * @non_wraps_count: counter for no wrap detected when dump ucode events |
| 440 | * @wraps_once_count: counter for wrap once detected when dump ucode events |
| 441 | * @wraps_more_count: counter for wrap more than once detected |
| 442 | * when dump ucode events |
| 443 | */ |
| 444 | struct iwl_event_log { |
| 445 | bool ucode_trace; |
| 446 | u32 num_wraps; |
| 447 | u32 next_entry; |
| 448 | int non_wraps_count; |
| 449 | int wraps_once_count; |
| 450 | int wraps_more_count; |
| 451 | }; |
| 452 | |
| 453 | #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) |
| 454 | |
| 455 | /* BT Antenna Coupling Threshold (dB) */ |
| 456 | #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) |
| 457 | |
| 458 | /* Firmware reload counter and Timestamp */ |
| 459 | #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ |
| 460 | #define IWL_MAX_CONTINUE_RELOAD_CNT 4 |
| 461 | |
| 462 | |
| 463 | struct iwl_rf_reset { |
| 464 | int reset_request_count; |
| 465 | int reset_success_count; |
| 466 | int reset_reject_count; |
| 467 | unsigned long last_reset_jiffies; |
| 468 | }; |
| 469 | |
| 470 | enum iwl_rxon_context_id { |
| 471 | IWL_RXON_CTX_BSS, |
| 472 | IWL_RXON_CTX_PAN, |
| 473 | |
| 474 | NUM_IWL_RXON_CTX |
| 475 | }; |
| 476 | |
| 477 | /* extend beacon time format bit shifting */ |
| 478 | /* |
| 479 | * for _agn devices |
| 480 | * bits 31:22 - extended |
| 481 | * bits 21:0 - interval |
| 482 | */ |
| 483 | #define IWLAGN_EXT_BEACON_TIME_POS 22 |
| 484 | |
| 485 | struct iwl_rxon_context { |
| 486 | struct ieee80211_vif *vif; |
| 487 | |
| 488 | u8 mcast_queue; |
| 489 | u8 ac_to_queue[IEEE80211_NUM_ACS]; |
| 490 | u8 ac_to_fifo[IEEE80211_NUM_ACS]; |
| 491 | |
| 492 | /* |
| 493 | * We could use the vif to indicate active, but we |
| 494 | * also need it to be active during disabling when |
| 495 | * we already removed the vif for type setting. |
| 496 | */ |
| 497 | bool always_active, is_active; |
| 498 | |
| 499 | bool ht_need_multiple_chains; |
| 500 | |
| 501 | enum iwl_rxon_context_id ctxid; |
| 502 | |
| 503 | u32 interface_modes, exclusive_interface_modes; |
| 504 | u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; |
| 505 | |
| 506 | /* |
| 507 | * We declare this const so it can only be |
| 508 | * changed via explicit cast within the |
| 509 | * routines that actually update the physical |
| 510 | * hardware. |
| 511 | */ |
| 512 | const struct iwl_rxon_cmd active; |
| 513 | struct iwl_rxon_cmd staging; |
| 514 | |
| 515 | struct iwl_rxon_time_cmd timing; |
| 516 | |
| 517 | struct iwl_qos_info qos_data; |
| 518 | |
| 519 | u8 bcast_sta_id, ap_sta_id; |
| 520 | |
| 521 | u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; |
| 522 | u8 qos_cmd; |
| 523 | u8 wep_key_cmd; |
| 524 | |
| 525 | struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; |
| 526 | u8 key_mapping_keys; |
| 527 | |
| 528 | __le32 station_flags; |
| 529 | |
| 530 | int beacon_int; |
| 531 | |
| 532 | struct { |
| 533 | bool non_gf_sta_present; |
| 534 | u8 protection; |
| 535 | bool enabled, is_40mhz; |
| 536 | u8 extension_chan_offset; |
| 537 | } ht; |
| 538 | }; |
| 539 | |
| 540 | enum iwl_scan_type { |
| 541 | IWL_SCAN_NORMAL, |
| 542 | IWL_SCAN_RADIO_RESET, |
| 543 | }; |
| 544 | |
| 545 | /** |
| 546 | * struct iwl_hw_params |
| 547 | * |
| 548 | * Holds the module parameters |
| 549 | * |
| 550 | * @tx_chains_num: Number of TX chains |
| 551 | * @rx_chains_num: Number of RX chains |
| 552 | * @ct_kill_threshold: temperature threshold - in hw dependent unit |
| 553 | * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit |
| 554 | * relevant for 1000, 6000 and up |
| 555 | * @struct iwl_sensitivity_ranges: range of sensitivity values |
| 556 | * @use_rts_for_aggregation: use rts/cts protection for HT traffic |
| 557 | */ |
| 558 | struct iwl_hw_params { |
| 559 | u8 tx_chains_num; |
| 560 | u8 rx_chains_num; |
| 561 | bool use_rts_for_aggregation; |
| 562 | u32 ct_kill_threshold; |
| 563 | u32 ct_kill_exit_threshold; |
| 564 | |
| 565 | const struct iwl_sensitivity_ranges *sens; |
| 566 | }; |
| 567 | |
| 568 | /** |
| 569 | * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters |
| 570 | * @advanced_bt_coexist: support advanced bt coexist |
| 571 | * @bt_init_traffic_load: specify initial bt traffic load |
| 572 | * @bt_prio_boost: default bt priority boost value |
| 573 | * @agg_time_limit: maximum number of uSec in aggregation |
| 574 | * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode |
| 575 | */ |
| 576 | struct iwl_dvm_bt_params { |
| 577 | bool advanced_bt_coexist; |
| 578 | u8 bt_init_traffic_load; |
| 579 | u32 bt_prio_boost; |
| 580 | u16 agg_time_limit; |
| 581 | bool bt_sco_disable; |
| 582 | bool bt_session_2; |
| 583 | }; |
| 584 | |
| 585 | /** |
| 586 | * struct iwl_dvm_cfg - DVM firmware specific device configuration |
| 587 | * @set_hw_params: set hardware parameters |
| 588 | * @set_channel_switch: send channel switch command |
| 589 | * @nic_config: apply device specific configuration |
| 590 | * @temperature: read temperature |
| 591 | * @adv_thermal_throttle: support advance thermal throttle |
| 592 | * @support_ct_kill_exit: support ct kill exit condition |
| 593 | * @plcp_delta_threshold: plcp error rate threshold used to trigger |
| 594 | * radio tuning when there is a high receiving plcp error rate |
| 595 | * @chain_noise_scale: default chain noise scale used for gain computation |
| 596 | * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up |
| 597 | * @no_idle_support: do not support idle mode |
| 598 | * @bt_params: pointer to BT parameters |
| 599 | * @need_temp_offset_calib: need to perform temperature offset calibration |
| 600 | * @no_xtal_calib: some devices do not need crystal calibration data, |
| 601 | * don't send it to those |
| 602 | * @temp_offset_v2: support v2 of temperature offset calibration |
| 603 | * @adv_pm: advanced power management |
| 604 | */ |
| 605 | struct iwl_dvm_cfg { |
| 606 | void (*set_hw_params)(struct iwl_priv *priv); |
| 607 | int (*set_channel_switch)(struct iwl_priv *priv, |
| 608 | struct ieee80211_channel_switch *ch_switch); |
| 609 | void (*nic_config)(struct iwl_priv *priv); |
| 610 | void (*temperature)(struct iwl_priv *priv); |
| 611 | |
| 612 | const struct iwl_dvm_bt_params *bt_params; |
| 613 | s32 chain_noise_scale; |
| 614 | u8 plcp_delta_threshold; |
| 615 | bool adv_thermal_throttle; |
| 616 | bool support_ct_kill_exit; |
| 617 | bool hd_v2; |
| 618 | bool no_idle_support; |
| 619 | bool need_temp_offset_calib; |
| 620 | bool no_xtal_calib; |
| 621 | bool temp_offset_v2; |
| 622 | bool adv_pm; |
| 623 | }; |
| 624 | |
| 625 | struct iwl_wipan_noa_data { |
| 626 | struct rcu_head rcu_head; |
| 627 | u32 length; |
| 628 | u8 data[]; |
| 629 | }; |
| 630 | |
| 631 | /* Calibration disabling bit mask */ |
| 632 | enum { |
| 633 | IWL_CALIB_ENABLE_ALL = 0, |
| 634 | |
| 635 | IWL_SENSITIVITY_CALIB_DISABLED = BIT(0), |
| 636 | IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1), |
| 637 | IWL_TX_POWER_CALIB_DISABLED = BIT(2), |
| 638 | |
| 639 | IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF, |
| 640 | }; |
| 641 | |
| 642 | #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \ |
| 643 | ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific)) |
| 644 | |
| 645 | #define IWL_MAC80211_GET_DVM(_hw) \ |
| 646 | ((struct iwl_priv *) ((struct iwl_op_mode *) \ |
| 647 | (_hw)->priv)->op_mode_specific) |
| 648 | |
| 649 | struct iwl_priv { |
| 650 | |
| 651 | struct iwl_trans *trans; |
| 652 | struct device *dev; /* for debug prints only */ |
| 653 | const struct iwl_cfg *cfg; |
| 654 | const struct iwl_fw *fw; |
| 655 | const struct iwl_dvm_cfg *lib; |
| 656 | unsigned long status; |
| 657 | |
| 658 | spinlock_t sta_lock; |
| 659 | struct mutex mutex; |
| 660 | |
| 661 | unsigned long transport_queue_stop; |
| 662 | bool passive_no_rx; |
| 663 | #define IWL_INVALID_MAC80211_QUEUE 0xff |
| 664 | u8 queue_to_mac80211[IWL_MAX_HW_QUEUES]; |
| 665 | atomic_t queue_stop_count[IWL_MAX_HW_QUEUES]; |
| 666 | |
| 667 | unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; |
| 668 | |
| 669 | /* ieee device used by generic ieee processing code */ |
| 670 | struct ieee80211_hw *hw; |
| 671 | |
| 672 | struct list_head calib_results; |
| 673 | |
| 674 | struct workqueue_struct *workqueue; |
| 675 | |
| 676 | struct iwl_hw_params hw_params; |
| 677 | |
| 678 | enum ieee80211_band band; |
| 679 | u8 valid_contexts; |
| 680 | |
| 681 | int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, |
| 682 | struct iwl_rx_cmd_buffer *rxb, |
| 683 | struct iwl_device_cmd *cmd); |
| 684 | |
| 685 | struct iwl_notif_wait_data notif_wait; |
| 686 | |
| 687 | /* spectrum measurement report caching */ |
| 688 | struct iwl_spectrum_notification measure_report; |
| 689 | u8 measurement_status; |
| 690 | |
| 691 | /* ucode beacon time */ |
| 692 | u32 ucode_beacon_time; |
| 693 | int missed_beacon_threshold; |
| 694 | |
| 695 | /* track IBSS manager (last beacon) status */ |
| 696 | u32 ibss_manager; |
| 697 | |
| 698 | /* jiffies when last recovery from statistics was performed */ |
| 699 | unsigned long rx_statistics_jiffies; |
| 700 | |
| 701 | /*counters */ |
| 702 | u32 rx_handlers_stats[REPLY_MAX]; |
| 703 | |
| 704 | /* rf reset */ |
| 705 | struct iwl_rf_reset rf_reset; |
| 706 | |
| 707 | /* firmware reload counter and timestamp */ |
| 708 | unsigned long reload_jiffies; |
| 709 | int reload_count; |
| 710 | bool ucode_loaded; |
| 711 | |
| 712 | u8 plcp_delta_threshold; |
| 713 | |
| 714 | /* thermal calibration */ |
| 715 | s32 temperature; /* Celsius */ |
| 716 | s32 last_temperature; |
| 717 | |
| 718 | struct iwl_wipan_noa_data __rcu *noa_data; |
| 719 | |
| 720 | /* Scan related variables */ |
| 721 | unsigned long scan_start; |
| 722 | unsigned long scan_start_tsf; |
| 723 | void *scan_cmd; |
| 724 | enum ieee80211_band scan_band; |
| 725 | struct cfg80211_scan_request *scan_request; |
| 726 | struct ieee80211_vif *scan_vif; |
| 727 | enum iwl_scan_type scan_type; |
| 728 | u8 scan_tx_ant[IEEE80211_NUM_BANDS]; |
| 729 | u8 mgmt_tx_ant; |
| 730 | |
| 731 | /* max number of station keys */ |
| 732 | u8 sta_key_max_num; |
| 733 | |
| 734 | bool new_scan_threshold_behaviour; |
| 735 | |
| 736 | bool wowlan; |
| 737 | |
| 738 | /* EEPROM MAC addresses */ |
| 739 | struct mac_address addresses[2]; |
| 740 | |
| 741 | struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; |
| 742 | |
| 743 | __le16 switch_channel; |
| 744 | |
| 745 | u8 start_calib; |
| 746 | struct iwl_sensitivity_data sensitivity_data; |
| 747 | struct iwl_chain_noise_data chain_noise_data; |
| 748 | __le16 sensitivity_tbl[HD_TABLE_SIZE]; |
| 749 | __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; |
| 750 | |
| 751 | struct iwl_ht_config current_ht_config; |
| 752 | |
| 753 | /* Rate scaling data */ |
| 754 | u8 retry_rate; |
| 755 | |
| 756 | int activity_timer_active; |
| 757 | |
| 758 | struct iwl_power_mgr power_data; |
| 759 | struct iwl_tt_mgmt thermal_throttle; |
| 760 | |
| 761 | /* station table variables */ |
| 762 | int num_stations; |
| 763 | struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; |
| 764 | unsigned long ucode_key_table; |
| 765 | struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT]; |
| 766 | atomic_t num_aux_in_flight; |
| 767 | |
| 768 | u8 mac80211_registered; |
| 769 | |
| 770 | /* Indication if ieee80211_ops->open has been called */ |
| 771 | u8 is_open; |
| 772 | |
| 773 | enum nl80211_iftype iw_mode; |
| 774 | |
| 775 | /* Last Rx'd beacon timestamp */ |
| 776 | u64 timestamp; |
| 777 | |
| 778 | struct { |
| 779 | __le32 flag; |
| 780 | struct statistics_general_common common; |
| 781 | struct statistics_rx_non_phy rx_non_phy; |
| 782 | struct statistics_rx_phy rx_ofdm; |
| 783 | struct statistics_rx_ht_phy rx_ofdm_ht; |
| 784 | struct statistics_rx_phy rx_cck; |
| 785 | struct statistics_tx tx; |
| 786 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 787 | struct statistics_bt_activity bt_activity; |
| 788 | __le32 num_bt_kills, accum_num_bt_kills; |
| 789 | #endif |
| 790 | spinlock_t lock; |
| 791 | } statistics; |
| 792 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 793 | struct { |
| 794 | struct statistics_general_common common; |
| 795 | struct statistics_rx_non_phy rx_non_phy; |
| 796 | struct statistics_rx_phy rx_ofdm; |
| 797 | struct statistics_rx_ht_phy rx_ofdm_ht; |
| 798 | struct statistics_rx_phy rx_cck; |
| 799 | struct statistics_tx tx; |
| 800 | struct statistics_bt_activity bt_activity; |
| 801 | } accum_stats, delta_stats, max_delta_stats; |
| 802 | #endif |
| 803 | |
| 804 | /* |
| 805 | * reporting the number of tids has AGG on. 0 means |
| 806 | * no AGGREGATION |
| 807 | */ |
| 808 | u8 agg_tids_count; |
| 809 | |
| 810 | struct iwl_rx_phy_res last_phy_res; |
| 811 | u32 ampdu_ref; |
| 812 | bool last_phy_res_valid; |
| 813 | |
| 814 | /* |
| 815 | * chain noise reset and gain commands are the |
| 816 | * two extra calibration commands follows the standard |
| 817 | * phy calibration commands |
| 818 | */ |
| 819 | u8 phy_calib_chain_noise_reset_cmd; |
| 820 | u8 phy_calib_chain_noise_gain_cmd; |
| 821 | |
| 822 | /* counts reply_tx error */ |
| 823 | struct reply_tx_error_statistics reply_tx_stats; |
| 824 | struct reply_agg_tx_error_statistics reply_agg_tx_stats; |
| 825 | |
| 826 | /* bt coex */ |
| 827 | u8 bt_enable_flag; |
| 828 | u8 bt_status; |
| 829 | u8 bt_traffic_load, last_bt_traffic_load; |
| 830 | bool bt_ch_announce; |
| 831 | bool bt_full_concurrent; |
| 832 | bool bt_ant_couple_ok; |
| 833 | __le32 kill_ack_mask; |
| 834 | __le32 kill_cts_mask; |
| 835 | __le16 bt_valid; |
| 836 | bool reduced_txpower; |
| 837 | u16 bt_on_thresh; |
| 838 | u16 bt_duration; |
| 839 | u16 dynamic_frag_thresh; |
| 840 | u8 bt_ci_compliance; |
| 841 | struct work_struct bt_traffic_change_work; |
| 842 | bool bt_enable_pspoll; |
| 843 | struct iwl_rxon_context *cur_rssi_ctx; |
| 844 | bool bt_is_sco; |
| 845 | |
| 846 | struct work_struct restart; |
| 847 | struct work_struct scan_completed; |
| 848 | struct work_struct abort_scan; |
| 849 | |
| 850 | struct work_struct beacon_update; |
| 851 | struct iwl_rxon_context *beacon_ctx; |
| 852 | struct sk_buff *beacon_skb; |
| 853 | void *beacon_cmd; |
| 854 | |
| 855 | struct work_struct tt_work; |
| 856 | struct work_struct ct_enter; |
| 857 | struct work_struct ct_exit; |
| 858 | struct work_struct start_internal_scan; |
| 859 | struct work_struct tx_flush; |
| 860 | struct work_struct bt_full_concurrency; |
| 861 | struct work_struct bt_runtime_config; |
| 862 | |
| 863 | struct delayed_work scan_check; |
| 864 | |
| 865 | /* TX Power settings */ |
| 866 | s8 tx_power_user_lmt; |
| 867 | s8 tx_power_next; |
| 868 | |
| 869 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
| 870 | /* debugfs */ |
| 871 | struct dentry *debugfs_dir; |
| 872 | u32 dbgfs_sram_offset, dbgfs_sram_len; |
| 873 | bool disable_ht40; |
| 874 | void *wowlan_sram; |
| 875 | #endif /* CONFIG_IWLWIFI_DEBUGFS */ |
| 876 | |
| 877 | struct iwl_nvm_data *nvm_data; |
| 878 | /* eeprom blob for debugfs */ |
| 879 | u8 *eeprom_blob; |
| 880 | size_t eeprom_blob_size; |
| 881 | |
| 882 | struct work_struct txpower_work; |
| 883 | u32 calib_disabled; |
| 884 | struct work_struct run_time_calib_work; |
| 885 | struct timer_list statistics_periodic; |
| 886 | struct timer_list ucode_trace; |
| 887 | |
| 888 | struct iwl_event_log event_log; |
| 889 | |
| 890 | #ifdef CONFIG_IWLWIFI_LEDS |
| 891 | struct led_classdev led; |
| 892 | unsigned long blink_on, blink_off; |
| 893 | bool led_registered; |
| 894 | #endif |
| 895 | |
| 896 | /* WoWLAN GTK rekey data */ |
| 897 | u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; |
| 898 | __le64 replay_ctr; |
| 899 | __le16 last_seq_ctl; |
| 900 | bool have_rekey_data; |
| 901 | #ifdef CONFIG_PM_SLEEP |
| 902 | struct wiphy_wowlan_support wowlan_support; |
| 903 | #endif |
| 904 | |
| 905 | /* device_pointers: pointers to ucode event tables */ |
| 906 | struct { |
| 907 | u32 error_event_table; |
| 908 | u32 log_event_table; |
| 909 | } device_pointers; |
| 910 | |
| 911 | /* indicator of loaded ucode image */ |
| 912 | enum iwl_ucode_type cur_ucode; |
| 913 | }; /*iwl_priv */ |
| 914 | |
| 915 | static inline struct iwl_rxon_context * |
| 916 | iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) |
| 917 | { |
| 918 | struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; |
| 919 | |
| 920 | return vif_priv->ctx; |
| 921 | } |
| 922 | |
| 923 | #define for_each_context(priv, ctx) \ |
| 924 | for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ |
| 925 | ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ |
| 926 | if (priv->valid_contexts & BIT(ctx->ctxid)) |
| 927 | |
| 928 | static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) |
| 929 | { |
| 930 | return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
| 931 | } |
| 932 | |
| 933 | static inline int iwl_is_associated(struct iwl_priv *priv, |
| 934 | enum iwl_rxon_context_id ctxid) |
| 935 | { |
| 936 | return iwl_is_associated_ctx(&priv->contexts[ctxid]); |
| 937 | } |
| 938 | |
| 939 | static inline int iwl_is_any_associated(struct iwl_priv *priv) |
| 940 | { |
| 941 | struct iwl_rxon_context *ctx; |
| 942 | for_each_context(priv, ctx) |
| 943 | if (iwl_is_associated_ctx(ctx)) |
| 944 | return true; |
| 945 | return false; |
| 946 | } |
| 947 | |
| 948 | #endif /* __iwl_dev_h__ */ |