iwl-dev.h revision 2c452297ff3eaafad41d24fa03d54a169ced8de1
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2011 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 (iwl-dev.h) for driver implementation definitions. 28 * Please use iwl-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/pci.h> /* for struct pci_device_id */ 36#include <linux/kernel.h> 37#include <linux/wait.h> 38#include <linux/leds.h> 39#include <net/ieee80211_radiotap.h> 40 41#include "iwl-eeprom.h" 42#include "iwl-csr.h" 43#include "iwl-prph.h" 44#include "iwl-debug.h" 45#include "iwl-agn-hw.h" 46#include "iwl-led.h" 47#include "iwl-power.h" 48#include "iwl-agn-rs.h" 49#include "iwl-agn-tt.h" 50#include "iwl-bus.h" 51#include "iwl-trans.h" 52#include "iwl-shared.h" 53 54struct iwl_tx_queue; 55 56/* CT-KILL constants */ 57#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 58#define CT_KILL_THRESHOLD 114 /* in Celsius */ 59#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 60 61/* Default noise level to report when noise measurement is not available. 62 * This may be because we're: 63 * 1) Not associated (4965, no beacon statistics being sent to driver) 64 * 2) Scanning (noise measurement does not apply to associated channel) 65 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 66 * Use default noise value of -127 ... this is below the range of measurable 67 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 68 * Also, -127 works better than 0 when averaging frames with/without 69 * noise info (e.g. averaging might be done in app); measured dBm values are 70 * always negative ... using a negative value as the default keeps all 71 * averages within an s8's (used in some apps) range of negative values. */ 72#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 73 74/* 75 * RTS threshold here is total size [2347] minus 4 FCS bytes 76 * Per spec: 77 * a value of 0 means RTS on all data/management packets 78 * a value > max MSDU size means no RTS 79 * else RTS for data/management frames where MPDU is larger 80 * than RTS value. 81 */ 82#define DEFAULT_RTS_THRESHOLD 2347U 83#define MIN_RTS_THRESHOLD 0U 84#define MAX_RTS_THRESHOLD 2347U 85#define MAX_MSDU_SIZE 2304U 86#define MAX_MPDU_SIZE 2346U 87#define DEFAULT_BEACON_INTERVAL 200U 88#define DEFAULT_SHORT_RETRY_LIMIT 7U 89#define DEFAULT_LONG_RETRY_LIMIT 4U 90 91/* defined below */ 92struct iwl_device_cmd; 93 94struct iwl_cmd_meta { 95 /* only for SYNC commands, iff the reply skb is wanted */ 96 struct iwl_host_cmd *source; 97 /* 98 * only for ASYNC commands 99 * (which is somewhat stupid -- look at iwl-sta.c for instance 100 * which duplicates a bunch of code because the callback isn't 101 * invoked for SYNC commands, if it were and its result passed 102 * through it would be simpler...) 103 */ 104 void (*callback)(struct iwl_priv *priv, 105 struct iwl_device_cmd *cmd, 106 struct iwl_rx_packet *pkt); 107 108 u32 flags; 109 110 DEFINE_DMA_UNMAP_ADDR(mapping); 111 DEFINE_DMA_UNMAP_LEN(len); 112}; 113 114/* 115 * Generic queue structure 116 * 117 * Contains common data for Rx and Tx queues. 118 * 119 * Note the difference between n_bd and n_window: the hardware 120 * always assumes 256 descriptors, so n_bd is always 256 (unless 121 * there might be HW changes in the future). For the normal TX 122 * queues, n_window, which is the size of the software queue data 123 * is also 256; however, for the command queue, n_window is only 124 * 32 since we don't need so many commands pending. Since the HW 125 * still uses 256 BDs for DMA though, n_bd stays 256. As a result, 126 * the software buffers (in the variables @meta, @txb in struct 127 * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds 128 * in the same struct) have 256. 129 * This means that we end up with the following: 130 * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | 131 * SW entries: | 0 | ... | 31 | 132 * where N is a number between 0 and 7. This means that the SW 133 * data is a window overlayed over the HW queue. 134 */ 135struct iwl_queue { 136 int n_bd; /* number of BDs in this queue */ 137 int write_ptr; /* 1-st empty entry (index) host_w*/ 138 int read_ptr; /* last used entry (index) host_r*/ 139 /* use for monitoring and recovering the stuck queue */ 140 dma_addr_t dma_addr; /* physical addr for BD's */ 141 int n_window; /* safe queue window */ 142 u32 id; 143 int low_mark; /* low watermark, resume queue if free 144 * space more than this */ 145 int high_mark; /* high watermark, stop queue if free 146 * space less than this */ 147}; 148 149/** 150 * struct iwl_tx_queue - Tx Queue for DMA 151 * @q: generic Rx/Tx queue descriptor 152 * @bd: base of circular buffer of TFDs 153 * @cmd: array of command/TX buffer pointers 154 * @meta: array of meta data for each command/tx buffer 155 * @dma_addr_cmd: physical address of cmd/tx buffer array 156 * @txb: array of per-TFD driver data 157 * @time_stamp: time (in jiffies) of last read_ptr change 158 * @need_update: indicates need to update read/write index 159 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 160 * @sta_id: valid if sched_retry is set 161 * @tid: valid if sched_retry is set 162 * 163 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 164 * descriptors) and required locking structures. 165 */ 166#define TFD_TX_CMD_SLOTS 256 167#define TFD_CMD_SLOTS 32 168 169struct iwl_tx_queue { 170 struct iwl_queue q; 171 struct iwl_tfd *tfds; 172 struct iwl_device_cmd **cmd; 173 struct iwl_cmd_meta *meta; 174 struct sk_buff **skbs; 175 unsigned long time_stamp; 176 u8 need_update; 177 u8 sched_retry; 178 u8 active; 179 u8 swq_id; 180 181 u16 sta_id; 182 u16 tid; 183}; 184 185#define IWL_NUM_SCAN_RATES (2) 186 187/* 188 * One for each channel, holds all channel setup data 189 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 190 * with one another! 191 */ 192struct iwl_channel_info { 193 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 194 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 195 * HT40 channel */ 196 197 u8 channel; /* channel number */ 198 u8 flags; /* flags copied from EEPROM */ 199 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 200 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 201 s8 min_power; /* always 0 */ 202 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 203 204 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 205 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 206 enum ieee80211_band band; 207 208 /* HT40 channel info */ 209 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 210 u8 ht40_flags; /* flags copied from EEPROM */ 211 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 212}; 213 214#define IWL_TX_FIFO_BK 0 /* shared */ 215#define IWL_TX_FIFO_BE 1 216#define IWL_TX_FIFO_VI 2 /* shared */ 217#define IWL_TX_FIFO_VO 3 218#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 219#define IWL_TX_FIFO_BE_IPAN 4 220#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 221#define IWL_TX_FIFO_VO_IPAN 5 222/* re-uses the VO FIFO, uCode will properly flush/schedule */ 223#define IWL_TX_FIFO_AUX 5 224#define IWL_TX_FIFO_UNUSED -1 225 226/* AUX (TX during scan dwell) queue */ 227#define IWL_AUX_QUEUE 10 228 229/* 230 * Minimum number of queues. MAX_NUM is defined in hw specific files. 231 * Set the minimum to accommodate 232 * - 4 standard TX queues 233 * - the command queue 234 * - 4 PAN TX queues 235 * - the PAN multicast queue, and 236 * - the AUX (TX during scan dwell) queue. 237 */ 238#define IWL_MIN_NUM_QUEUES 11 239 240/* 241 * Command queue depends on iPAN support. 242 */ 243#define IWL_DEFAULT_CMD_QUEUE_NUM 4 244#define IWL_IPAN_CMD_QUEUE_NUM 9 245 246/* 247 * This queue number is required for proper operation 248 * because the ucode will stop/start the scheduler as 249 * required. 250 */ 251#define IWL_IPAN_MCAST_QUEUE 8 252 253#define IEEE80211_DATA_LEN 2304 254#define IEEE80211_4ADDR_LEN 30 255#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 256#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 257 258 259#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 260#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 261#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 262 263enum { 264 CMD_SYNC = 0, 265 CMD_ASYNC = BIT(0), 266 CMD_WANT_SKB = BIT(1), 267 CMD_ON_DEMAND = BIT(2), 268}; 269 270#define DEF_CMD_PAYLOAD_SIZE 320 271 272/** 273 * struct iwl_device_cmd 274 * 275 * For allocation of the command and tx queues, this establishes the overall 276 * size of the largest command we send to uCode, except for commands that 277 * aren't fully copied and use other TFD space. 278 */ 279struct iwl_device_cmd { 280 struct iwl_cmd_header hdr; /* uCode API */ 281 union { 282 u32 flags; 283 u8 val8; 284 u16 val16; 285 u32 val32; 286 struct iwl_tx_cmd tx; 287 struct iwl6000_channel_switch_cmd chswitch; 288 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 289 } __packed cmd; 290} __packed; 291 292#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 293 294#define IWL_MAX_CMD_TFDS 2 295 296enum iwl_hcmd_dataflag { 297 IWL_HCMD_DFL_NOCOPY = BIT(0), 298}; 299 300/** 301 * struct iwl_host_cmd - Host command to the uCode 302 * @data: array of chunks that composes the data of the host command 303 * @reply_page: pointer to the page that holds the response to the host command 304 * @callback: 305 * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC 306 * @len: array of the lenths of the chunks in data 307 * @dataflags: 308 * @id: id of the host command 309 */ 310struct iwl_host_cmd { 311 const void *data[IWL_MAX_CMD_TFDS]; 312 unsigned long reply_page; 313 void (*callback)(struct iwl_priv *priv, 314 struct iwl_device_cmd *cmd, 315 struct iwl_rx_packet *pkt); 316 u32 flags; 317 u16 len[IWL_MAX_CMD_TFDS]; 318 u8 dataflags[IWL_MAX_CMD_TFDS]; 319 u8 id; 320}; 321 322#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 323#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 324#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 325 326#define IWL_SUPPORTED_RATES_IE_LEN 8 327 328#define IWL_INVALID_RATE 0xFF 329#define IWL_INVALID_VALUE -1 330 331union iwl_ht_rate_supp { 332 u16 rates; 333 struct { 334 u8 siso_rate; 335 u8 mimo_rate; 336 }; 337}; 338 339#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 340#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 341#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 342#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 343#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 344#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 345#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 346 347/* 348 * Maximal MPDU density for TX aggregation 349 * 4 - 2us density 350 * 5 - 4us density 351 * 6 - 8us density 352 * 7 - 16us density 353 */ 354#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 355#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 356#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 357#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 358#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 359#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 360#define CFG_HT_MPDU_DENSITY_MIN (0x1) 361 362struct iwl_ht_config { 363 bool single_chain_sufficient; 364 enum ieee80211_smps_mode smps; /* current smps mode */ 365}; 366 367/* QoS structures */ 368struct iwl_qos_info { 369 int qos_active; 370 struct iwl_qosparam_cmd def_qos_parm; 371}; 372 373/* 374 * Structure should be accessed with sta_lock held. When station addition 375 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 376 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 377 * held. 378 */ 379struct iwl_station_entry { 380 struct iwl_addsta_cmd sta; 381 u8 used, ctxid; 382 struct iwl_link_quality_cmd *lq; 383}; 384 385struct iwl_station_priv_common { 386 struct iwl_rxon_context *ctx; 387 u8 sta_id; 388}; 389 390/* 391 * iwl_station_priv: Driver's private station information 392 * 393 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 394 * in the structure for use by driver. This structure is places in that 395 * space. 396 */ 397struct iwl_station_priv { 398 struct iwl_station_priv_common common; 399 struct iwl_lq_sta lq_sta; 400 atomic_t pending_frames; 401 bool client; 402 bool asleep; 403 u8 max_agg_bufsize; 404}; 405 406/** 407 * struct iwl_vif_priv - driver's private per-interface information 408 * 409 * When mac80211 allocates a virtual interface, it can allocate 410 * space for us to put data into. 411 */ 412struct iwl_vif_priv { 413 struct iwl_rxon_context *ctx; 414 u8 ibss_bssid_sta_id; 415}; 416 417/* one for each uCode image (inst/data, boot/init/runtime) */ 418struct fw_desc { 419 void *v_addr; /* access by driver */ 420 dma_addr_t p_addr; /* access by card's busmaster DMA */ 421 u32 len; /* bytes */ 422}; 423 424struct fw_img { 425 struct fw_desc code, data; 426}; 427 428/* v1/v2 uCode file layout */ 429struct iwl_ucode_header { 430 __le32 ver; /* major/minor/API/serial */ 431 union { 432 struct { 433 __le32 inst_size; /* bytes of runtime code */ 434 __le32 data_size; /* bytes of runtime data */ 435 __le32 init_size; /* bytes of init code */ 436 __le32 init_data_size; /* bytes of init data */ 437 __le32 boot_size; /* bytes of bootstrap code */ 438 u8 data[0]; /* in same order as sizes */ 439 } v1; 440 struct { 441 __le32 build; /* build number */ 442 __le32 inst_size; /* bytes of runtime code */ 443 __le32 data_size; /* bytes of runtime data */ 444 __le32 init_size; /* bytes of init code */ 445 __le32 init_data_size; /* bytes of init data */ 446 __le32 boot_size; /* bytes of bootstrap code */ 447 u8 data[0]; /* in same order as sizes */ 448 } v2; 449 } u; 450}; 451 452/* 453 * new TLV uCode file layout 454 * 455 * The new TLV file format contains TLVs, that each specify 456 * some piece of data. To facilitate "groups", for example 457 * different instruction image with different capabilities, 458 * bundled with the same init image, an alternative mechanism 459 * is provided: 460 * When the alternative field is 0, that means that the item 461 * is always valid. When it is non-zero, then it is only 462 * valid in conjunction with items of the same alternative, 463 * in which case the driver (user) selects one alternative 464 * to use. 465 */ 466 467enum iwl_ucode_tlv_type { 468 IWL_UCODE_TLV_INVALID = 0, /* unused */ 469 IWL_UCODE_TLV_INST = 1, 470 IWL_UCODE_TLV_DATA = 2, 471 IWL_UCODE_TLV_INIT = 3, 472 IWL_UCODE_TLV_INIT_DATA = 4, 473 IWL_UCODE_TLV_BOOT = 5, 474 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 475 IWL_UCODE_TLV_PAN = 7, 476 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 477 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 478 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 479 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 480 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 481 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 482 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 483 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 484 IWL_UCODE_TLV_WOWLAN_INST = 16, 485 IWL_UCODE_TLV_WOWLAN_DATA = 17, 486 IWL_UCODE_TLV_FLAGS = 18, 487}; 488 489/** 490 * enum iwl_ucode_tlv_flag - ucode API flags 491 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 492 * was a separate TLV but moved here to save space. 493 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, 494 * treats good CRC threshold as a boolean 495 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 496 * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. 497 */ 498enum iwl_ucode_tlv_flag { 499 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 500 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), 501 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 502 IWL_UCODE_TLV_FLAGS_P2P = BIT(3), 503}; 504 505struct iwl_ucode_tlv { 506 __le16 type; /* see above */ 507 __le16 alternative; /* see comment */ 508 __le32 length; /* not including type/length fields */ 509 u8 data[0]; 510} __packed; 511 512#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 513 514struct iwl_tlv_ucode_header { 515 /* 516 * The TLV style ucode header is distinguished from 517 * the v1/v2 style header by first four bytes being 518 * zero, as such is an invalid combination of 519 * major/minor/API/serial versions. 520 */ 521 __le32 zero; 522 __le32 magic; 523 u8 human_readable[64]; 524 __le32 ver; /* major/minor/API/serial */ 525 __le32 build; 526 __le64 alternatives; /* bitmask of valid alternatives */ 527 /* 528 * The data contained herein has a TLV layout, 529 * see above for the TLV header and types. 530 * Note that each TLV is padded to a length 531 * that is a multiple of 4 for alignment. 532 */ 533 u8 data[0]; 534}; 535 536struct iwl_sensitivity_ranges { 537 u16 min_nrg_cck; 538 u16 max_nrg_cck; 539 540 u16 nrg_th_cck; 541 u16 nrg_th_ofdm; 542 543 u16 auto_corr_min_ofdm; 544 u16 auto_corr_min_ofdm_mrc; 545 u16 auto_corr_min_ofdm_x1; 546 u16 auto_corr_min_ofdm_mrc_x1; 547 548 u16 auto_corr_max_ofdm; 549 u16 auto_corr_max_ofdm_mrc; 550 u16 auto_corr_max_ofdm_x1; 551 u16 auto_corr_max_ofdm_mrc_x1; 552 553 u16 auto_corr_max_cck; 554 u16 auto_corr_max_cck_mrc; 555 u16 auto_corr_min_cck; 556 u16 auto_corr_min_cck_mrc; 557 558 u16 barker_corr_th_min; 559 u16 barker_corr_th_min_mrc; 560 u16 nrg_th_cca; 561}; 562 563 564#define KELVIN_TO_CELSIUS(x) ((x)-273) 565#define CELSIUS_TO_KELVIN(x) ((x)+273) 566 567 568/****************************************************************************** 569 * 570 * Functions implemented in core module which are forward declared here 571 * for use by iwl-[4-5].c 572 * 573 * NOTE: The implementation of these functions are not hardware specific 574 * which is why they are in the core module files. 575 * 576 * Naming convention -- 577 * iwl_ <-- Is part of iwlwifi 578 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 579 * 580 ****************************************************************************/ 581extern void iwl_update_chain_flags(struct iwl_priv *priv); 582extern const u8 iwl_bcast_addr[ETH_ALEN]; 583extern int iwl_queue_space(const struct iwl_queue *q); 584static inline int iwl_queue_used(const struct iwl_queue *q, int i) 585{ 586 return q->write_ptr >= q->read_ptr ? 587 (i >= q->read_ptr && i < q->write_ptr) : 588 !(i < q->read_ptr && i >= q->write_ptr); 589} 590 591 592static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) 593{ 594 return index & (q->n_window - 1); 595} 596 597#define IWL_OPERATION_MODE_AUTO 0 598#define IWL_OPERATION_MODE_HT_ONLY 1 599#define IWL_OPERATION_MODE_MIXED 2 600#define IWL_OPERATION_MODE_20MHZ 3 601 602#define IWL_TX_CRC_SIZE 4 603#define IWL_TX_DELIMITER_SIZE 4 604 605#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 606 607/* Sensitivity and chain noise calibration */ 608#define INITIALIZATION_VALUE 0xFFFF 609#define IWL_CAL_NUM_BEACONS 16 610#define MAXIMUM_ALLOWED_PATHLOSS 15 611 612#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 613 614#define MAX_FA_OFDM 50 615#define MIN_FA_OFDM 5 616#define MAX_FA_CCK 50 617#define MIN_FA_CCK 5 618 619#define AUTO_CORR_STEP_OFDM 1 620 621#define AUTO_CORR_STEP_CCK 3 622#define AUTO_CORR_MAX_TH_CCK 160 623 624#define NRG_DIFF 2 625#define NRG_STEP_CCK 2 626#define NRG_MARGIN 8 627#define MAX_NUMBER_CCK_NO_FA 100 628 629#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 630 631#define CHAIN_A 0 632#define CHAIN_B 1 633#define CHAIN_C 2 634#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 635#define ALL_BAND_FILTER 0xFF00 636#define IN_BAND_FILTER 0xFF 637#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 638 639#define NRG_NUM_PREV_STAT_L 20 640#define NUM_RX_CHAINS 3 641 642enum iwlagn_false_alarm_state { 643 IWL_FA_TOO_MANY = 0, 644 IWL_FA_TOO_FEW = 1, 645 IWL_FA_GOOD_RANGE = 2, 646}; 647 648enum iwlagn_chain_noise_state { 649 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 650 IWL_CHAIN_NOISE_ACCUMULATE, 651 IWL_CHAIN_NOISE_CALIBRATED, 652 IWL_CHAIN_NOISE_DONE, 653}; 654 655 656/* 657 * enum iwl_calib 658 * defines the order in which results of initial calibrations 659 * should be sent to the runtime uCode 660 */ 661enum iwl_calib { 662 IWL_CALIB_XTAL, 663 IWL_CALIB_DC, 664 IWL_CALIB_LO, 665 IWL_CALIB_TX_IQ, 666 IWL_CALIB_TX_IQ_PERD, 667 IWL_CALIB_BASE_BAND, 668 IWL_CALIB_TEMP_OFFSET, 669 IWL_CALIB_MAX 670}; 671 672/* Opaque calibration results */ 673struct iwl_calib_result { 674 void *buf; 675 size_t buf_len; 676}; 677 678/* Sensitivity calib data */ 679struct iwl_sensitivity_data { 680 u32 auto_corr_ofdm; 681 u32 auto_corr_ofdm_mrc; 682 u32 auto_corr_ofdm_x1; 683 u32 auto_corr_ofdm_mrc_x1; 684 u32 auto_corr_cck; 685 u32 auto_corr_cck_mrc; 686 687 u32 last_bad_plcp_cnt_ofdm; 688 u32 last_fa_cnt_ofdm; 689 u32 last_bad_plcp_cnt_cck; 690 u32 last_fa_cnt_cck; 691 692 u32 nrg_curr_state; 693 u32 nrg_prev_state; 694 u32 nrg_value[10]; 695 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 696 u32 nrg_silence_ref; 697 u32 nrg_energy_idx; 698 u32 nrg_silence_idx; 699 u32 nrg_th_cck; 700 s32 nrg_auto_corr_silence_diff; 701 u32 num_in_cck_no_fa; 702 u32 nrg_th_ofdm; 703 704 u16 barker_corr_th_min; 705 u16 barker_corr_th_min_mrc; 706 u16 nrg_th_cca; 707}; 708 709/* Chain noise (differential Rx gain) calib data */ 710struct iwl_chain_noise_data { 711 u32 active_chains; 712 u32 chain_noise_a; 713 u32 chain_noise_b; 714 u32 chain_noise_c; 715 u32 chain_signal_a; 716 u32 chain_signal_b; 717 u32 chain_signal_c; 718 u16 beacon_count; 719 u8 disconn_array[NUM_RX_CHAINS]; 720 u8 delta_gain_code[NUM_RX_CHAINS]; 721 u8 radio_write; 722 u8 state; 723}; 724 725#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 726#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 727 728#define IWL_TRAFFIC_ENTRIES (256) 729#define IWL_TRAFFIC_ENTRY_SIZE (64) 730 731enum { 732 MEASUREMENT_READY = (1 << 0), 733 MEASUREMENT_ACTIVE = (1 << 1), 734}; 735 736enum iwl_nvm_type { 737 NVM_DEVICE_TYPE_EEPROM = 0, 738 NVM_DEVICE_TYPE_OTP, 739}; 740 741/* 742 * Two types of OTP memory access modes 743 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 744 * based on physical memory addressing 745 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 746 * based on logical memory addressing 747 */ 748enum iwl_access_mode { 749 IWL_OTP_ACCESS_ABSOLUTE, 750 IWL_OTP_ACCESS_RELATIVE, 751}; 752 753/** 754 * enum iwl_pa_type - Power Amplifier type 755 * @IWL_PA_SYSTEM: based on uCode configuration 756 * @IWL_PA_INTERNAL: use Internal only 757 */ 758enum iwl_pa_type { 759 IWL_PA_SYSTEM = 0, 760 IWL_PA_INTERNAL = 1, 761}; 762 763/* reply_tx_statistics (for _agn devices) */ 764struct reply_tx_error_statistics { 765 u32 pp_delay; 766 u32 pp_few_bytes; 767 u32 pp_bt_prio; 768 u32 pp_quiet_period; 769 u32 pp_calc_ttak; 770 u32 int_crossed_retry; 771 u32 short_limit; 772 u32 long_limit; 773 u32 fifo_underrun; 774 u32 drain_flow; 775 u32 rfkill_flush; 776 u32 life_expire; 777 u32 dest_ps; 778 u32 host_abort; 779 u32 bt_retry; 780 u32 sta_invalid; 781 u32 frag_drop; 782 u32 tid_disable; 783 u32 fifo_flush; 784 u32 insuff_cf_poll; 785 u32 fail_hw_drop; 786 u32 sta_color_mismatch; 787 u32 unknown; 788}; 789 790/* reply_agg_tx_statistics (for _agn devices) */ 791struct reply_agg_tx_error_statistics { 792 u32 underrun; 793 u32 bt_prio; 794 u32 few_bytes; 795 u32 abort; 796 u32 last_sent_ttl; 797 u32 last_sent_try; 798 u32 last_sent_bt_kill; 799 u32 scd_query; 800 u32 bad_crc32; 801 u32 response; 802 u32 dump_tx; 803 u32 delay_tx; 804 u32 unknown; 805}; 806 807/* management statistics */ 808enum iwl_mgmt_stats { 809 MANAGEMENT_ASSOC_REQ = 0, 810 MANAGEMENT_ASSOC_RESP, 811 MANAGEMENT_REASSOC_REQ, 812 MANAGEMENT_REASSOC_RESP, 813 MANAGEMENT_PROBE_REQ, 814 MANAGEMENT_PROBE_RESP, 815 MANAGEMENT_BEACON, 816 MANAGEMENT_ATIM, 817 MANAGEMENT_DISASSOC, 818 MANAGEMENT_AUTH, 819 MANAGEMENT_DEAUTH, 820 MANAGEMENT_ACTION, 821 MANAGEMENT_MAX, 822}; 823/* control statistics */ 824enum iwl_ctrl_stats { 825 CONTROL_BACK_REQ = 0, 826 CONTROL_BACK, 827 CONTROL_PSPOLL, 828 CONTROL_RTS, 829 CONTROL_CTS, 830 CONTROL_ACK, 831 CONTROL_CFEND, 832 CONTROL_CFENDACK, 833 CONTROL_MAX, 834}; 835 836struct traffic_stats { 837#ifdef CONFIG_IWLWIFI_DEBUGFS 838 u32 mgmt[MANAGEMENT_MAX]; 839 u32 ctrl[CONTROL_MAX]; 840 u32 data_cnt; 841 u64 data_bytes; 842#endif 843}; 844 845/* 846 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 847 * to perform continuous uCode event logging operation if enabled 848 */ 849#define UCODE_TRACE_PERIOD (100) 850 851/* 852 * iwl_event_log: current uCode event log position 853 * 854 * @ucode_trace: enable/disable ucode continuous trace timer 855 * @num_wraps: how many times the event buffer wraps 856 * @next_entry: the entry just before the next one that uCode would fill 857 * @non_wraps_count: counter for no wrap detected when dump ucode events 858 * @wraps_once_count: counter for wrap once detected when dump ucode events 859 * @wraps_more_count: counter for wrap more than once detected 860 * when dump ucode events 861 */ 862struct iwl_event_log { 863 bool ucode_trace; 864 u32 num_wraps; 865 u32 next_entry; 866 int non_wraps_count; 867 int wraps_once_count; 868 int wraps_more_count; 869}; 870 871/* 872 * host interrupt timeout value 873 * used with setting interrupt coalescing timer 874 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 875 * 876 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 877 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 878 */ 879#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 880#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 881#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 882#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 883#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 884#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 885 886/* 887 * This is the threshold value of plcp error rate per 100mSecs. It is 888 * used to set and check for the validity of plcp_delta. 889 */ 890#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 891#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 892#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 893#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 894#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 895#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 896 897#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 898#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 899 900/* TX queue watchdog timeouts in mSecs */ 901#define IWL_DEF_WD_TIMEOUT (2000) 902#define IWL_LONG_WD_TIMEOUT (10000) 903#define IWL_MAX_WD_TIMEOUT (120000) 904 905/* BT Antenna Coupling Threshold (dB) */ 906#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 907 908/* Firmware reload counter and Timestamp */ 909#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 910#define IWL_MAX_CONTINUE_RELOAD_CNT 4 911 912 913enum iwl_reset { 914 IWL_RF_RESET = 0, 915 IWL_FW_RESET, 916 IWL_MAX_FORCE_RESET, 917}; 918 919struct iwl_force_reset { 920 int reset_request_count; 921 int reset_success_count; 922 int reset_reject_count; 923 unsigned long reset_duration; 924 unsigned long last_force_reset_jiffies; 925}; 926 927/* extend beacon time format bit shifting */ 928/* 929 * for _agn devices 930 * bits 31:22 - extended 931 * bits 21:0 - interval 932 */ 933#define IWLAGN_EXT_BEACON_TIME_POS 22 934 935/** 936 * struct iwl_notification_wait - notification wait entry 937 * @list: list head for global list 938 * @fn: function called with the notification 939 * @cmd: command ID 940 * 941 * This structure is not used directly, to wait for a 942 * notification declare it on the stack, and call 943 * iwlagn_init_notification_wait() with appropriate 944 * parameters. Then do whatever will cause the ucode 945 * to notify the driver, and to wait for that then 946 * call iwlagn_wait_notification(). 947 * 948 * Each notification is one-shot. If at some point we 949 * need to support multi-shot notifications (which 950 * can't be allocated on the stack) we need to modify 951 * the code for them. 952 */ 953struct iwl_notification_wait { 954 struct list_head list; 955 956 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 957 void *data); 958 void *fn_data; 959 960 u8 cmd; 961 bool triggered, aborted; 962}; 963 964enum iwl_rxon_context_id { 965 IWL_RXON_CTX_BSS, 966 IWL_RXON_CTX_PAN, 967 968 NUM_IWL_RXON_CTX 969}; 970 971struct iwl_rxon_context { 972 struct ieee80211_vif *vif; 973 974 const u8 *ac_to_fifo; 975 const u8 *ac_to_queue; 976 u8 mcast_queue; 977 978 /* 979 * We could use the vif to indicate active, but we 980 * also need it to be active during disabling when 981 * we already removed the vif for type setting. 982 */ 983 bool always_active, is_active; 984 985 bool ht_need_multiple_chains; 986 987 enum iwl_rxon_context_id ctxid; 988 989 u32 interface_modes, exclusive_interface_modes; 990 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 991 992 /* 993 * We declare this const so it can only be 994 * changed via explicit cast within the 995 * routines that actually update the physical 996 * hardware. 997 */ 998 const struct iwl_rxon_cmd active; 999 struct iwl_rxon_cmd staging; 1000 1001 struct iwl_rxon_time_cmd timing; 1002 1003 struct iwl_qos_info qos_data; 1004 1005 u8 bcast_sta_id, ap_sta_id; 1006 1007 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1008 u8 qos_cmd; 1009 u8 wep_key_cmd; 1010 1011 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1012 u8 key_mapping_keys; 1013 1014 __le32 station_flags; 1015 1016 int beacon_int; 1017 1018 struct { 1019 bool non_gf_sta_present; 1020 u8 protection; 1021 bool enabled, is_40mhz; 1022 u8 extension_chan_offset; 1023 } ht; 1024 1025 bool last_tx_rejected; 1026}; 1027 1028enum iwl_scan_type { 1029 IWL_SCAN_NORMAL, 1030 IWL_SCAN_RADIO_RESET, 1031 IWL_SCAN_ROC, 1032}; 1033 1034enum iwlagn_ucode_type { 1035 IWL_UCODE_NONE, 1036 IWL_UCODE_REGULAR, 1037 IWL_UCODE_INIT, 1038 IWL_UCODE_WOWLAN, 1039}; 1040 1041#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1042struct iwl_testmode_trace { 1043 u32 buff_size; 1044 u32 total_size; 1045 u32 num_chunks; 1046 u8 *cpu_addr; 1047 u8 *trace_addr; 1048 dma_addr_t dma_addr; 1049 bool trace_enabled; 1050}; 1051#endif 1052 1053struct iwl_priv { 1054 1055 /*data shared among all the driver's layers */ 1056 struct iwl_shared _shrd; 1057 struct iwl_shared *shrd; 1058 1059 /* ieee device used by generic ieee processing code */ 1060 struct ieee80211_hw *hw; 1061 struct ieee80211_channel *ieee_channels; 1062 struct ieee80211_rate *ieee_rates; 1063 struct iwl_cfg *cfg; 1064 1065 enum ieee80211_band band; 1066 1067 void (*pre_rx_handler)(struct iwl_priv *priv, 1068 struct iwl_rx_mem_buffer *rxb); 1069 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1070 struct iwl_rx_mem_buffer *rxb); 1071 1072 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1073 1074 /* spectrum measurement report caching */ 1075 struct iwl_spectrum_notification measure_report; 1076 u8 measurement_status; 1077 1078 /* ucode beacon time */ 1079 u32 ucode_beacon_time; 1080 int missed_beacon_threshold; 1081 1082 /* track IBSS manager (last beacon) status */ 1083 u32 ibss_manager; 1084 1085 /* jiffies when last recovery from statistics was performed */ 1086 unsigned long rx_statistics_jiffies; 1087 1088 /*counters */ 1089 u32 rx_handlers_stats[REPLY_MAX]; 1090 1091 /* force reset */ 1092 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1093 1094 /* firmware reload counter and timestamp */ 1095 unsigned long reload_jiffies; 1096 int reload_count; 1097 1098 /* we allocate array of iwl_channel_info for NIC's valid channels. 1099 * Access via channel # using indirect index array */ 1100 struct iwl_channel_info *channel_info; /* channel info array */ 1101 u8 channel_count; /* # of channels */ 1102 1103 /* thermal calibration */ 1104 s32 temperature; /* degrees Kelvin */ 1105 s32 last_temperature; 1106 1107 /* init calibration results */ 1108 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1109 1110 /* Scan related variables */ 1111 unsigned long scan_start; 1112 unsigned long scan_start_tsf; 1113 void *scan_cmd; 1114 enum ieee80211_band scan_band; 1115 struct cfg80211_scan_request *scan_request; 1116 struct ieee80211_vif *scan_vif; 1117 enum iwl_scan_type scan_type; 1118 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1119 u8 mgmt_tx_ant; 1120 1121 /*TODO: remove these pointers - use bus(priv) instead */ 1122 struct iwl_bus *bus; /* bus specific data */ 1123 1124 /* microcode/device supports multiple contexts */ 1125 u8 valid_contexts; 1126 1127 /* max number of station keys */ 1128 u8 sta_key_max_num; 1129 1130 bool new_scan_threshold_behaviour; 1131 1132 /* EEPROM MAC addresses */ 1133 struct mac_address addresses[2]; 1134 1135 /* uCode images, save to reload in case of failure */ 1136 int fw_index; /* firmware we're trying to load */ 1137 u32 ucode_ver; /* version of ucode, copy of 1138 iwl_ucode.ver */ 1139 1140 struct fw_img ucode_rt; 1141 struct fw_img ucode_init; 1142 struct fw_img ucode_wowlan; 1143 1144 enum iwlagn_ucode_type ucode_type; 1145 u8 ucode_write_complete; /* the image write is complete */ 1146 char firmware_name[25]; 1147 1148 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1149 1150 __le16 switch_channel; 1151 1152 struct { 1153 u32 error_event_table; 1154 u32 log_event_table; 1155 } device_pointers; 1156 1157 u16 active_rate; 1158 1159 u8 start_calib; 1160 struct iwl_sensitivity_data sensitivity_data; 1161 struct iwl_chain_noise_data chain_noise_data; 1162 bool enhance_sensitivity_table; 1163 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1164 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1165 1166 struct iwl_ht_config current_ht_config; 1167 1168 /* Rate scaling data */ 1169 u8 retry_rate; 1170 1171 wait_queue_head_t wait_command_queue; 1172 1173 int activity_timer_active; 1174 1175 /* Tx DMA processing queues */ 1176 struct iwl_tx_queue *txq; 1177 unsigned long txq_ctx_active_msk; 1178 1179 /* counts mgmt, ctl, and data packets */ 1180 struct traffic_stats tx_stats; 1181 struct traffic_stats rx_stats; 1182 1183 struct iwl_power_mgr power_data; 1184 struct iwl_tt_mgmt thermal_throttle; 1185 1186 /* station table variables */ 1187 int num_stations; 1188 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1189 unsigned long ucode_key_table; 1190 1191 /* queue refcounts */ 1192#define IWL_MAX_HW_QUEUES 32 1193 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1194 /* for each AC */ 1195 atomic_t queue_stop_count[4]; 1196 1197 /* Indication if ieee80211_ops->open has been called */ 1198 u8 is_open; 1199 1200 u8 mac80211_registered; 1201 1202 /* eeprom -- this is in the card's little endian byte order */ 1203 u8 *eeprom; 1204 int nvm_device_type; 1205 struct iwl_eeprom_calib_info *calib_info; 1206 1207 enum nl80211_iftype iw_mode; 1208 1209 /* Last Rx'd beacon timestamp */ 1210 u64 timestamp; 1211 1212 struct { 1213 __le32 flag; 1214 struct statistics_general_common common; 1215 struct statistics_rx_non_phy rx_non_phy; 1216 struct statistics_rx_phy rx_ofdm; 1217 struct statistics_rx_ht_phy rx_ofdm_ht; 1218 struct statistics_rx_phy rx_cck; 1219 struct statistics_tx tx; 1220#ifdef CONFIG_IWLWIFI_DEBUGFS 1221 struct statistics_bt_activity bt_activity; 1222 __le32 num_bt_kills, accum_num_bt_kills; 1223#endif 1224 } statistics; 1225#ifdef CONFIG_IWLWIFI_DEBUGFS 1226 struct { 1227 struct statistics_general_common common; 1228 struct statistics_rx_non_phy rx_non_phy; 1229 struct statistics_rx_phy rx_ofdm; 1230 struct statistics_rx_ht_phy rx_ofdm_ht; 1231 struct statistics_rx_phy rx_cck; 1232 struct statistics_tx tx; 1233 struct statistics_bt_activity bt_activity; 1234 } accum_stats, delta_stats, max_delta_stats; 1235#endif 1236 1237 /* 1238 * reporting the number of tids has AGG on. 0 means 1239 * no AGGREGATION 1240 */ 1241 u8 agg_tids_count; 1242 1243 struct iwl_rx_phy_res last_phy_res; 1244 bool last_phy_res_valid; 1245 1246 struct completion firmware_loading_complete; 1247 1248 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1249 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1250 1251 /* 1252 * chain noise reset and gain commands are the 1253 * two extra calibration commands follows the standard 1254 * phy calibration commands 1255 */ 1256 u8 phy_calib_chain_noise_reset_cmd; 1257 u8 phy_calib_chain_noise_gain_cmd; 1258 1259 /* counts reply_tx error */ 1260 struct reply_tx_error_statistics reply_tx_stats; 1261 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1262 /* notification wait support */ 1263 struct list_head notif_waits; 1264 spinlock_t notif_wait_lock; 1265 wait_queue_head_t notif_waitq; 1266 1267 /* remain-on-channel offload support */ 1268 struct ieee80211_channel *hw_roc_channel; 1269 struct delayed_work hw_roc_disable_work; 1270 enum nl80211_channel_type hw_roc_chantype; 1271 int hw_roc_duration; 1272 bool hw_roc_setup; 1273 1274 /* bt coex */ 1275 u8 bt_enable_flag; 1276 u8 bt_status; 1277 u8 bt_traffic_load, last_bt_traffic_load; 1278 bool bt_ch_announce; 1279 bool bt_full_concurrent; 1280 bool bt_ant_couple_ok; 1281 __le32 kill_ack_mask; 1282 __le32 kill_cts_mask; 1283 __le16 bt_valid; 1284 u16 bt_on_thresh; 1285 u16 bt_duration; 1286 u16 dynamic_frag_thresh; 1287 u8 bt_ci_compliance; 1288 struct work_struct bt_traffic_change_work; 1289 bool bt_enable_pspoll; 1290 struct iwl_rxon_context *cur_rssi_ctx; 1291 bool bt_is_sco; 1292 1293 struct work_struct restart; 1294 struct work_struct scan_completed; 1295 struct work_struct abort_scan; 1296 1297 struct work_struct beacon_update; 1298 struct iwl_rxon_context *beacon_ctx; 1299 struct sk_buff *beacon_skb; 1300 void *beacon_cmd; 1301 1302 struct work_struct tt_work; 1303 struct work_struct ct_enter; 1304 struct work_struct ct_exit; 1305 struct work_struct start_internal_scan; 1306 struct work_struct tx_flush; 1307 struct work_struct bt_full_concurrency; 1308 struct work_struct bt_runtime_config; 1309 1310 struct delayed_work scan_check; 1311 1312 /* TX Power */ 1313 s8 tx_power_user_lmt; 1314 s8 tx_power_device_lmt; 1315 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1316 s8 tx_power_next; 1317 1318#ifdef CONFIG_IWLWIFI_DEBUGFS 1319 /* debugfs */ 1320 u16 tx_traffic_idx; 1321 u16 rx_traffic_idx; 1322 u8 *tx_traffic; 1323 u8 *rx_traffic; 1324 struct dentry *debugfs_dir; 1325 u32 dbgfs_sram_offset, dbgfs_sram_len; 1326 bool disable_ht40; 1327 void *wowlan_sram; 1328#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1329 1330 struct work_struct txpower_work; 1331 u32 disable_sens_cal; 1332 u32 disable_chain_noise_cal; 1333 struct work_struct run_time_calib_work; 1334 struct timer_list statistics_periodic; 1335 struct timer_list ucode_trace; 1336 struct timer_list watchdog; 1337 1338 struct iwl_event_log event_log; 1339 1340 struct led_classdev led; 1341 unsigned long blink_on, blink_off; 1342 bool led_registered; 1343#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1344 struct iwl_testmode_trace testmode_trace; 1345 u32 tm_fixed_rate; 1346#endif 1347 1348 /* WoWLAN GTK rekey data */ 1349 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 1350 __le64 replay_ctr; 1351 __le16 last_seq_ctl; 1352 bool have_rekey_data; 1353}; /*iwl_priv */ 1354 1355static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1356{ 1357 set_bit(txq_id, &priv->txq_ctx_active_msk); 1358} 1359 1360static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1361{ 1362 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1363} 1364 1365extern struct iwl_mod_params iwlagn_mod_params; 1366 1367static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1368 int txq_id, int idx) 1369{ 1370 if (priv->txq[txq_id].skbs[idx]) 1371 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1372 skbs[idx]->data; 1373 return NULL; 1374} 1375 1376static inline struct iwl_rxon_context * 1377iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1378{ 1379 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1380 1381 return vif_priv->ctx; 1382} 1383 1384#define for_each_context(priv, ctx) \ 1385 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1386 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1387 if (priv->valid_contexts & BIT(ctx->ctxid)) 1388 1389static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1390{ 1391 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1392} 1393 1394static inline int iwl_is_associated(struct iwl_priv *priv, 1395 enum iwl_rxon_context_id ctxid) 1396{ 1397 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 1398} 1399 1400static inline int iwl_is_any_associated(struct iwl_priv *priv) 1401{ 1402 struct iwl_rxon_context *ctx; 1403 for_each_context(priv, ctx) 1404 if (iwl_is_associated_ctx(ctx)) 1405 return true; 1406 return false; 1407} 1408 1409static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1410{ 1411 if (ch_info == NULL) 1412 return 0; 1413 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1414} 1415 1416static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1417{ 1418 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1419} 1420 1421static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1422{ 1423 return ch_info->band == IEEE80211_BAND_5GHZ; 1424} 1425 1426static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1427{ 1428 return ch_info->band == IEEE80211_BAND_2GHZ; 1429} 1430 1431static inline int is_channel_passive(const struct iwl_channel_info *ch) 1432{ 1433 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1434} 1435 1436static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1437{ 1438 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1439} 1440 1441#endif /* __iwl_dev_h__ */ 1442