iwl-dev.h revision e20d434170c3a7f388d5e916825499c9c0738606
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 <linux/slab.h> 40#include <net/ieee80211_radiotap.h> 41 42#include "iwl-eeprom.h" 43#include "iwl-csr.h" 44#include "iwl-prph.h" 45#include "iwl-debug.h" 46#include "iwl-agn-hw.h" 47#include "iwl-led.h" 48#include "iwl-power.h" 49#include "iwl-agn-rs.h" 50#include "iwl-agn-tt.h" 51#include "iwl-bus.h" 52#include "iwl-trans.h" 53#include "iwl-shared.h" 54 55struct iwl_tx_queue; 56 57/* CT-KILL constants */ 58#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 59#define CT_KILL_THRESHOLD 114 /* in Celsius */ 60#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 61 62/* Default noise level to report when noise measurement is not available. 63 * This may be because we're: 64 * 1) Not associated (4965, no beacon statistics being sent to driver) 65 * 2) Scanning (noise measurement does not apply to associated channel) 66 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 67 * Use default noise value of -127 ... this is below the range of measurable 68 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 69 * Also, -127 works better than 0 when averaging frames with/without 70 * noise info (e.g. averaging might be done in app); measured dBm values are 71 * always negative ... using a negative value as the default keeps all 72 * averages within an s8's (used in some apps) range of negative values. */ 73#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 74 75/* 76 * RTS threshold here is total size [2347] minus 4 FCS bytes 77 * Per spec: 78 * a value of 0 means RTS on all data/management packets 79 * a value > max MSDU size means no RTS 80 * else RTS for data/management frames where MPDU is larger 81 * than RTS value. 82 */ 83#define DEFAULT_RTS_THRESHOLD 2347U 84#define MIN_RTS_THRESHOLD 0U 85#define MAX_RTS_THRESHOLD 2347U 86#define MAX_MSDU_SIZE 2304U 87#define MAX_MPDU_SIZE 2346U 88#define DEFAULT_BEACON_INTERVAL 200U 89#define DEFAULT_SHORT_RETRY_LIMIT 7U 90#define DEFAULT_LONG_RETRY_LIMIT 4U 91 92/* defined below */ 93struct iwl_device_cmd; 94 95struct iwl_cmd_meta { 96 /* only for SYNC commands, iff the reply skb is wanted */ 97 struct iwl_host_cmd *source; 98 /* 99 * only for ASYNC commands 100 * (which is somewhat stupid -- look at iwl-sta.c for instance 101 * which duplicates a bunch of code because the callback isn't 102 * invoked for SYNC commands, if it were and its result passed 103 * through it would be simpler...) 104 */ 105 void (*callback)(struct iwl_priv *priv, 106 struct iwl_device_cmd *cmd, 107 struct iwl_rx_packet *pkt); 108 109 u32 flags; 110 111 DEFINE_DMA_UNMAP_ADDR(mapping); 112 DEFINE_DMA_UNMAP_LEN(len); 113}; 114 115/* 116 * Generic queue structure 117 * 118 * Contains common data for Rx and Tx queues. 119 * 120 * Note the difference between n_bd and n_window: the hardware 121 * always assumes 256 descriptors, so n_bd is always 256 (unless 122 * there might be HW changes in the future). For the normal TX 123 * queues, n_window, which is the size of the software queue data 124 * is also 256; however, for the command queue, n_window is only 125 * 32 since we don't need so many commands pending. Since the HW 126 * still uses 256 BDs for DMA though, n_bd stays 256. As a result, 127 * the software buffers (in the variables @meta, @txb in struct 128 * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds 129 * in the same struct) have 256. 130 * This means that we end up with the following: 131 * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | 132 * SW entries: | 0 | ... | 31 | 133 * where N is a number between 0 and 7. This means that the SW 134 * data is a window overlayed over the HW queue. 135 */ 136struct iwl_queue { 137 int n_bd; /* number of BDs in this queue */ 138 int write_ptr; /* 1-st empty entry (index) host_w*/ 139 int read_ptr; /* last used entry (index) host_r*/ 140 /* use for monitoring and recovering the stuck queue */ 141 dma_addr_t dma_addr; /* physical addr for BD's */ 142 int n_window; /* safe queue window */ 143 u32 id; 144 int low_mark; /* low watermark, resume queue if free 145 * space more than this */ 146 int high_mark; /* high watermark, stop queue if free 147 * space less than this */ 148}; 149 150/** 151 * struct iwl_tx_queue - Tx Queue for DMA 152 * @q: generic Rx/Tx queue descriptor 153 * @bd: base of circular buffer of TFDs 154 * @cmd: array of command/TX buffer pointers 155 * @meta: array of meta data for each command/tx buffer 156 * @dma_addr_cmd: physical address of cmd/tx buffer array 157 * @txb: array of per-TFD driver data 158 * @time_stamp: time (in jiffies) of last read_ptr change 159 * @need_update: indicates need to update read/write index 160 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 161 * @sta_id: valid if sched_retry is set 162 * @tid: valid if sched_retry is set 163 * 164 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 165 * descriptors) and required locking structures. 166 */ 167#define TFD_TX_CMD_SLOTS 256 168#define TFD_CMD_SLOTS 32 169 170struct iwl_tx_queue { 171 struct iwl_queue q; 172 struct iwl_tfd *tfds; 173 struct iwl_device_cmd **cmd; 174 struct iwl_cmd_meta *meta; 175 struct sk_buff **skbs; 176 unsigned long time_stamp; 177 u8 need_update; 178 u8 sched_retry; 179 u8 active; 180 u8 swq_id; 181 182 u16 sta_id; 183 u16 tid; 184}; 185 186#define IWL_NUM_SCAN_RATES (2) 187 188/* 189 * One for each channel, holds all channel setup data 190 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 191 * with one another! 192 */ 193struct iwl_channel_info { 194 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 195 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 196 * HT40 channel */ 197 198 u8 channel; /* channel number */ 199 u8 flags; /* flags copied from EEPROM */ 200 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 201 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 202 s8 min_power; /* always 0 */ 203 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 204 205 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 206 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 207 enum ieee80211_band band; 208 209 /* HT40 channel info */ 210 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 211 u8 ht40_flags; /* flags copied from EEPROM */ 212 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 213}; 214 215#define IWL_TX_FIFO_BK 0 /* shared */ 216#define IWL_TX_FIFO_BE 1 217#define IWL_TX_FIFO_VI 2 /* shared */ 218#define IWL_TX_FIFO_VO 3 219#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 220#define IWL_TX_FIFO_BE_IPAN 4 221#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 222#define IWL_TX_FIFO_VO_IPAN 5 223/* re-uses the VO FIFO, uCode will properly flush/schedule */ 224#define IWL_TX_FIFO_AUX 5 225#define IWL_TX_FIFO_UNUSED -1 226 227/* AUX (TX during scan dwell) queue */ 228#define IWL_AUX_QUEUE 10 229 230/* 231 * Minimum number of queues. MAX_NUM is defined in hw specific files. 232 * Set the minimum to accommodate 233 * - 4 standard TX queues 234 * - the command queue 235 * - 4 PAN TX queues 236 * - the PAN multicast queue, and 237 * - the AUX (TX during scan dwell) queue. 238 */ 239#define IWL_MIN_NUM_QUEUES 11 240 241/* 242 * Command queue depends on iPAN support. 243 */ 244#define IWL_DEFAULT_CMD_QUEUE_NUM 4 245#define IWL_IPAN_CMD_QUEUE_NUM 9 246 247#define IEEE80211_DATA_LEN 2304 248#define IEEE80211_4ADDR_LEN 30 249#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 250#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 251 252 253#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 254#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 255#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 256 257enum { 258 CMD_SYNC = 0, 259 CMD_ASYNC = BIT(0), 260 CMD_WANT_SKB = BIT(1), 261 CMD_ON_DEMAND = BIT(2), 262}; 263 264#define DEF_CMD_PAYLOAD_SIZE 320 265 266/** 267 * struct iwl_device_cmd 268 * 269 * For allocation of the command and tx queues, this establishes the overall 270 * size of the largest command we send to uCode, except for commands that 271 * aren't fully copied and use other TFD space. 272 */ 273struct iwl_device_cmd { 274 struct iwl_cmd_header hdr; /* uCode API */ 275 union { 276 u32 flags; 277 u8 val8; 278 u16 val16; 279 u32 val32; 280 struct iwl_tx_cmd tx; 281 struct iwl6000_channel_switch_cmd chswitch; 282 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 283 } __packed cmd; 284} __packed; 285 286#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 287 288#define IWL_MAX_CMD_TFDS 2 289 290enum iwl_hcmd_dataflag { 291 IWL_HCMD_DFL_NOCOPY = BIT(0), 292}; 293 294/** 295 * struct iwl_host_cmd - Host command to the uCode 296 * @data: array of chunks that composes the data of the host command 297 * @reply_page: pointer to the page that holds the response to the host command 298 * @callback: 299 * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC 300 * @len: array of the lenths of the chunks in data 301 * @dataflags: 302 * @id: id of the host command 303 */ 304struct iwl_host_cmd { 305 const void *data[IWL_MAX_CMD_TFDS]; 306 unsigned long reply_page; 307 void (*callback)(struct iwl_priv *priv, 308 struct iwl_device_cmd *cmd, 309 struct iwl_rx_packet *pkt); 310 u32 flags; 311 u16 len[IWL_MAX_CMD_TFDS]; 312 u8 dataflags[IWL_MAX_CMD_TFDS]; 313 u8 id; 314}; 315 316#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 317#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 318#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 319 320#define IWL_SUPPORTED_RATES_IE_LEN 8 321 322#define IWL_INVALID_RATE 0xFF 323#define IWL_INVALID_VALUE -1 324 325union iwl_ht_rate_supp { 326 u16 rates; 327 struct { 328 u8 siso_rate; 329 u8 mimo_rate; 330 }; 331}; 332 333#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 334#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 335#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 336#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 337#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 338#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 339#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 340 341/* 342 * Maximal MPDU density for TX aggregation 343 * 4 - 2us density 344 * 5 - 4us density 345 * 6 - 8us density 346 * 7 - 16us density 347 */ 348#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 349#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 350#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 351#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 352#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 353#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 354#define CFG_HT_MPDU_DENSITY_MIN (0x1) 355 356struct iwl_ht_config { 357 bool single_chain_sufficient; 358 enum ieee80211_smps_mode smps; /* current smps mode */ 359}; 360 361/* QoS structures */ 362struct iwl_qos_info { 363 int qos_active; 364 struct iwl_qosparam_cmd def_qos_parm; 365}; 366 367/* 368 * Structure should be accessed with sta_lock held. When station addition 369 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 370 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 371 * held. 372 */ 373struct iwl_station_entry { 374 struct iwl_addsta_cmd sta; 375 u8 used, ctxid; 376 struct iwl_link_quality_cmd *lq; 377}; 378 379struct iwl_station_priv_common { 380 struct iwl_rxon_context *ctx; 381 u8 sta_id; 382}; 383 384/* 385 * iwl_station_priv: Driver's private station information 386 * 387 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 388 * in the structure for use by driver. This structure is places in that 389 * space. 390 */ 391struct iwl_station_priv { 392 struct iwl_station_priv_common common; 393 struct iwl_lq_sta lq_sta; 394 atomic_t pending_frames; 395 bool client; 396 bool asleep; 397 u8 max_agg_bufsize; 398}; 399 400/** 401 * struct iwl_vif_priv - driver's private per-interface information 402 * 403 * When mac80211 allocates a virtual interface, it can allocate 404 * space for us to put data into. 405 */ 406struct iwl_vif_priv { 407 struct iwl_rxon_context *ctx; 408 u8 ibss_bssid_sta_id; 409}; 410 411/* one for each uCode image (inst/data, boot/init/runtime) */ 412struct fw_desc { 413 void *v_addr; /* access by driver */ 414 dma_addr_t p_addr; /* access by card's busmaster DMA */ 415 u32 len; /* bytes */ 416}; 417 418struct fw_img { 419 struct fw_desc code, data; 420}; 421 422/* v1/v2 uCode file layout */ 423struct iwl_ucode_header { 424 __le32 ver; /* major/minor/API/serial */ 425 union { 426 struct { 427 __le32 inst_size; /* bytes of runtime code */ 428 __le32 data_size; /* bytes of runtime data */ 429 __le32 init_size; /* bytes of init code */ 430 __le32 init_data_size; /* bytes of init data */ 431 __le32 boot_size; /* bytes of bootstrap code */ 432 u8 data[0]; /* in same order as sizes */ 433 } v1; 434 struct { 435 __le32 build; /* build number */ 436 __le32 inst_size; /* bytes of runtime code */ 437 __le32 data_size; /* bytes of runtime data */ 438 __le32 init_size; /* bytes of init code */ 439 __le32 init_data_size; /* bytes of init data */ 440 __le32 boot_size; /* bytes of bootstrap code */ 441 u8 data[0]; /* in same order as sizes */ 442 } v2; 443 } u; 444}; 445 446/* 447 * new TLV uCode file layout 448 * 449 * The new TLV file format contains TLVs, that each specify 450 * some piece of data. To facilitate "groups", for example 451 * different instruction image with different capabilities, 452 * bundled with the same init image, an alternative mechanism 453 * is provided: 454 * When the alternative field is 0, that means that the item 455 * is always valid. When it is non-zero, then it is only 456 * valid in conjunction with items of the same alternative, 457 * in which case the driver (user) selects one alternative 458 * to use. 459 */ 460 461enum iwl_ucode_tlv_type { 462 IWL_UCODE_TLV_INVALID = 0, /* unused */ 463 IWL_UCODE_TLV_INST = 1, 464 IWL_UCODE_TLV_DATA = 2, 465 IWL_UCODE_TLV_INIT = 3, 466 IWL_UCODE_TLV_INIT_DATA = 4, 467 IWL_UCODE_TLV_BOOT = 5, 468 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 469 IWL_UCODE_TLV_PAN = 7, 470 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 471 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 472 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 473 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 474 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 475 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 476 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 477 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 478 IWL_UCODE_TLV_WOWLAN_INST = 16, 479 IWL_UCODE_TLV_WOWLAN_DATA = 17, 480 IWL_UCODE_TLV_FLAGS = 18, 481}; 482 483/** 484 * enum iwl_ucode_tlv_flag - ucode API flags 485 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 486 * was a separate TLV but moved here to save space. 487 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, 488 * treats good CRC threshold as a boolean 489 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 490 * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. 491 */ 492enum iwl_ucode_tlv_flag { 493 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 494 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), 495 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 496 IWL_UCODE_TLV_FLAGS_P2P = BIT(3), 497}; 498 499struct iwl_ucode_tlv { 500 __le16 type; /* see above */ 501 __le16 alternative; /* see comment */ 502 __le32 length; /* not including type/length fields */ 503 u8 data[0]; 504} __packed; 505 506#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 507 508struct iwl_tlv_ucode_header { 509 /* 510 * The TLV style ucode header is distinguished from 511 * the v1/v2 style header by first four bytes being 512 * zero, as such is an invalid combination of 513 * major/minor/API/serial versions. 514 */ 515 __le32 zero; 516 __le32 magic; 517 u8 human_readable[64]; 518 __le32 ver; /* major/minor/API/serial */ 519 __le32 build; 520 __le64 alternatives; /* bitmask of valid alternatives */ 521 /* 522 * The data contained herein has a TLV layout, 523 * see above for the TLV header and types. 524 * Note that each TLV is padded to a length 525 * that is a multiple of 4 for alignment. 526 */ 527 u8 data[0]; 528}; 529 530struct iwl_sensitivity_ranges { 531 u16 min_nrg_cck; 532 u16 max_nrg_cck; 533 534 u16 nrg_th_cck; 535 u16 nrg_th_ofdm; 536 537 u16 auto_corr_min_ofdm; 538 u16 auto_corr_min_ofdm_mrc; 539 u16 auto_corr_min_ofdm_x1; 540 u16 auto_corr_min_ofdm_mrc_x1; 541 542 u16 auto_corr_max_ofdm; 543 u16 auto_corr_max_ofdm_mrc; 544 u16 auto_corr_max_ofdm_x1; 545 u16 auto_corr_max_ofdm_mrc_x1; 546 547 u16 auto_corr_max_cck; 548 u16 auto_corr_max_cck_mrc; 549 u16 auto_corr_min_cck; 550 u16 auto_corr_min_cck_mrc; 551 552 u16 barker_corr_th_min; 553 u16 barker_corr_th_min_mrc; 554 u16 nrg_th_cca; 555}; 556 557 558#define KELVIN_TO_CELSIUS(x) ((x)-273) 559#define CELSIUS_TO_KELVIN(x) ((x)+273) 560 561 562/****************************************************************************** 563 * 564 * Functions implemented in core module which are forward declared here 565 * for use by iwl-[4-5].c 566 * 567 * NOTE: The implementation of these functions are not hardware specific 568 * which is why they are in the core module files. 569 * 570 * Naming convention -- 571 * iwl_ <-- Is part of iwlwifi 572 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 573 * 574 ****************************************************************************/ 575extern void iwl_update_chain_flags(struct iwl_priv *priv); 576extern const u8 iwl_bcast_addr[ETH_ALEN]; 577extern int iwl_queue_space(const struct iwl_queue *q); 578static inline int iwl_queue_used(const struct iwl_queue *q, int i) 579{ 580 return q->write_ptr >= q->read_ptr ? 581 (i >= q->read_ptr && i < q->write_ptr) : 582 !(i < q->read_ptr && i >= q->write_ptr); 583} 584 585 586static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) 587{ 588 return index & (q->n_window - 1); 589} 590 591#define IWL_OPERATION_MODE_AUTO 0 592#define IWL_OPERATION_MODE_HT_ONLY 1 593#define IWL_OPERATION_MODE_MIXED 2 594#define IWL_OPERATION_MODE_20MHZ 3 595 596#define IWL_TX_CRC_SIZE 4 597#define IWL_TX_DELIMITER_SIZE 4 598 599#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 600 601/* Sensitivity and chain noise calibration */ 602#define INITIALIZATION_VALUE 0xFFFF 603#define IWL_CAL_NUM_BEACONS 16 604#define MAXIMUM_ALLOWED_PATHLOSS 15 605 606#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 607 608#define MAX_FA_OFDM 50 609#define MIN_FA_OFDM 5 610#define MAX_FA_CCK 50 611#define MIN_FA_CCK 5 612 613#define AUTO_CORR_STEP_OFDM 1 614 615#define AUTO_CORR_STEP_CCK 3 616#define AUTO_CORR_MAX_TH_CCK 160 617 618#define NRG_DIFF 2 619#define NRG_STEP_CCK 2 620#define NRG_MARGIN 8 621#define MAX_NUMBER_CCK_NO_FA 100 622 623#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 624 625#define CHAIN_A 0 626#define CHAIN_B 1 627#define CHAIN_C 2 628#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 629#define ALL_BAND_FILTER 0xFF00 630#define IN_BAND_FILTER 0xFF 631#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 632 633#define NRG_NUM_PREV_STAT_L 20 634#define NUM_RX_CHAINS 3 635 636enum iwlagn_false_alarm_state { 637 IWL_FA_TOO_MANY = 0, 638 IWL_FA_TOO_FEW = 1, 639 IWL_FA_GOOD_RANGE = 2, 640}; 641 642enum iwlagn_chain_noise_state { 643 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 644 IWL_CHAIN_NOISE_ACCUMULATE, 645 IWL_CHAIN_NOISE_CALIBRATED, 646 IWL_CHAIN_NOISE_DONE, 647}; 648 649 650/* 651 * enum iwl_calib 652 * defines the order in which results of initial calibrations 653 * should be sent to the runtime uCode 654 */ 655enum iwl_calib { 656 IWL_CALIB_XTAL, 657 IWL_CALIB_DC, 658 IWL_CALIB_LO, 659 IWL_CALIB_TX_IQ, 660 IWL_CALIB_TX_IQ_PERD, 661 IWL_CALIB_BASE_BAND, 662 IWL_CALIB_TEMP_OFFSET, 663 IWL_CALIB_MAX 664}; 665 666/* Opaque calibration results */ 667struct iwl_calib_result { 668 void *buf; 669 size_t buf_len; 670}; 671 672/* Sensitivity calib data */ 673struct iwl_sensitivity_data { 674 u32 auto_corr_ofdm; 675 u32 auto_corr_ofdm_mrc; 676 u32 auto_corr_ofdm_x1; 677 u32 auto_corr_ofdm_mrc_x1; 678 u32 auto_corr_cck; 679 u32 auto_corr_cck_mrc; 680 681 u32 last_bad_plcp_cnt_ofdm; 682 u32 last_fa_cnt_ofdm; 683 u32 last_bad_plcp_cnt_cck; 684 u32 last_fa_cnt_cck; 685 686 u32 nrg_curr_state; 687 u32 nrg_prev_state; 688 u32 nrg_value[10]; 689 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 690 u32 nrg_silence_ref; 691 u32 nrg_energy_idx; 692 u32 nrg_silence_idx; 693 u32 nrg_th_cck; 694 s32 nrg_auto_corr_silence_diff; 695 u32 num_in_cck_no_fa; 696 u32 nrg_th_ofdm; 697 698 u16 barker_corr_th_min; 699 u16 barker_corr_th_min_mrc; 700 u16 nrg_th_cca; 701}; 702 703/* Chain noise (differential Rx gain) calib data */ 704struct iwl_chain_noise_data { 705 u32 active_chains; 706 u32 chain_noise_a; 707 u32 chain_noise_b; 708 u32 chain_noise_c; 709 u32 chain_signal_a; 710 u32 chain_signal_b; 711 u32 chain_signal_c; 712 u16 beacon_count; 713 u8 disconn_array[NUM_RX_CHAINS]; 714 u8 delta_gain_code[NUM_RX_CHAINS]; 715 u8 radio_write; 716 u8 state; 717}; 718 719#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 720#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 721 722#define IWL_TRAFFIC_ENTRIES (256) 723#define IWL_TRAFFIC_ENTRY_SIZE (64) 724 725enum { 726 MEASUREMENT_READY = (1 << 0), 727 MEASUREMENT_ACTIVE = (1 << 1), 728}; 729 730enum iwl_nvm_type { 731 NVM_DEVICE_TYPE_EEPROM = 0, 732 NVM_DEVICE_TYPE_OTP, 733}; 734 735/* 736 * Two types of OTP memory access modes 737 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 738 * based on physical memory addressing 739 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 740 * based on logical memory addressing 741 */ 742enum iwl_access_mode { 743 IWL_OTP_ACCESS_ABSOLUTE, 744 IWL_OTP_ACCESS_RELATIVE, 745}; 746 747/** 748 * enum iwl_pa_type - Power Amplifier type 749 * @IWL_PA_SYSTEM: based on uCode configuration 750 * @IWL_PA_INTERNAL: use Internal only 751 */ 752enum iwl_pa_type { 753 IWL_PA_SYSTEM = 0, 754 IWL_PA_INTERNAL = 1, 755}; 756 757/* reply_tx_statistics (for _agn devices) */ 758struct reply_tx_error_statistics { 759 u32 pp_delay; 760 u32 pp_few_bytes; 761 u32 pp_bt_prio; 762 u32 pp_quiet_period; 763 u32 pp_calc_ttak; 764 u32 int_crossed_retry; 765 u32 short_limit; 766 u32 long_limit; 767 u32 fifo_underrun; 768 u32 drain_flow; 769 u32 rfkill_flush; 770 u32 life_expire; 771 u32 dest_ps; 772 u32 host_abort; 773 u32 bt_retry; 774 u32 sta_invalid; 775 u32 frag_drop; 776 u32 tid_disable; 777 u32 fifo_flush; 778 u32 insuff_cf_poll; 779 u32 fail_hw_drop; 780 u32 sta_color_mismatch; 781 u32 unknown; 782}; 783 784/* reply_agg_tx_statistics (for _agn devices) */ 785struct reply_agg_tx_error_statistics { 786 u32 underrun; 787 u32 bt_prio; 788 u32 few_bytes; 789 u32 abort; 790 u32 last_sent_ttl; 791 u32 last_sent_try; 792 u32 last_sent_bt_kill; 793 u32 scd_query; 794 u32 bad_crc32; 795 u32 response; 796 u32 dump_tx; 797 u32 delay_tx; 798 u32 unknown; 799}; 800 801/* management statistics */ 802enum iwl_mgmt_stats { 803 MANAGEMENT_ASSOC_REQ = 0, 804 MANAGEMENT_ASSOC_RESP, 805 MANAGEMENT_REASSOC_REQ, 806 MANAGEMENT_REASSOC_RESP, 807 MANAGEMENT_PROBE_REQ, 808 MANAGEMENT_PROBE_RESP, 809 MANAGEMENT_BEACON, 810 MANAGEMENT_ATIM, 811 MANAGEMENT_DISASSOC, 812 MANAGEMENT_AUTH, 813 MANAGEMENT_DEAUTH, 814 MANAGEMENT_ACTION, 815 MANAGEMENT_MAX, 816}; 817/* control statistics */ 818enum iwl_ctrl_stats { 819 CONTROL_BACK_REQ = 0, 820 CONTROL_BACK, 821 CONTROL_PSPOLL, 822 CONTROL_RTS, 823 CONTROL_CTS, 824 CONTROL_ACK, 825 CONTROL_CFEND, 826 CONTROL_CFENDACK, 827 CONTROL_MAX, 828}; 829 830struct traffic_stats { 831#ifdef CONFIG_IWLWIFI_DEBUGFS 832 u32 mgmt[MANAGEMENT_MAX]; 833 u32 ctrl[CONTROL_MAX]; 834 u32 data_cnt; 835 u64 data_bytes; 836#endif 837}; 838 839/* 840 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 841 * to perform continuous uCode event logging operation if enabled 842 */ 843#define UCODE_TRACE_PERIOD (100) 844 845/* 846 * iwl_event_log: current uCode event log position 847 * 848 * @ucode_trace: enable/disable ucode continuous trace timer 849 * @num_wraps: how many times the event buffer wraps 850 * @next_entry: the entry just before the next one that uCode would fill 851 * @non_wraps_count: counter for no wrap detected when dump ucode events 852 * @wraps_once_count: counter for wrap once detected when dump ucode events 853 * @wraps_more_count: counter for wrap more than once detected 854 * when dump ucode events 855 */ 856struct iwl_event_log { 857 bool ucode_trace; 858 u32 num_wraps; 859 u32 next_entry; 860 int non_wraps_count; 861 int wraps_once_count; 862 int wraps_more_count; 863}; 864 865/* 866 * host interrupt timeout value 867 * used with setting interrupt coalescing timer 868 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 869 * 870 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 871 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 872 */ 873#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 874#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 875#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 876#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 877#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 878#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 879 880/* 881 * This is the threshold value of plcp error rate per 100mSecs. It is 882 * used to set and check for the validity of plcp_delta. 883 */ 884#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 885#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 886#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 887#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 888#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 889#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 890 891#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 892#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 893 894/* TX queue watchdog timeouts in mSecs */ 895#define IWL_DEF_WD_TIMEOUT (2000) 896#define IWL_LONG_WD_TIMEOUT (10000) 897#define IWL_MAX_WD_TIMEOUT (120000) 898 899/* BT Antenna Coupling Threshold (dB) */ 900#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 901 902/* Firmware reload counter and Timestamp */ 903#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 904#define IWL_MAX_CONTINUE_RELOAD_CNT 4 905 906 907enum iwl_reset { 908 IWL_RF_RESET = 0, 909 IWL_FW_RESET, 910 IWL_MAX_FORCE_RESET, 911}; 912 913struct iwl_force_reset { 914 int reset_request_count; 915 int reset_success_count; 916 int reset_reject_count; 917 unsigned long reset_duration; 918 unsigned long last_force_reset_jiffies; 919}; 920 921/* extend beacon time format bit shifting */ 922/* 923 * for _agn devices 924 * bits 31:22 - extended 925 * bits 21:0 - interval 926 */ 927#define IWLAGN_EXT_BEACON_TIME_POS 22 928 929/** 930 * struct iwl_notification_wait - notification wait entry 931 * @list: list head for global list 932 * @fn: function called with the notification 933 * @cmd: command ID 934 * 935 * This structure is not used directly, to wait for a 936 * notification declare it on the stack, and call 937 * iwlagn_init_notification_wait() with appropriate 938 * parameters. Then do whatever will cause the ucode 939 * to notify the driver, and to wait for that then 940 * call iwlagn_wait_notification(). 941 * 942 * Each notification is one-shot. If at some point we 943 * need to support multi-shot notifications (which 944 * can't be allocated on the stack) we need to modify 945 * the code for them. 946 */ 947struct iwl_notification_wait { 948 struct list_head list; 949 950 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 951 void *data); 952 void *fn_data; 953 954 u8 cmd; 955 bool triggered, aborted; 956}; 957 958struct iwl_rxon_context { 959 struct ieee80211_vif *vif; 960 961 /* 962 * We could use the vif to indicate active, but we 963 * also need it to be active during disabling when 964 * we already removed the vif for type setting. 965 */ 966 bool always_active, is_active; 967 968 bool ht_need_multiple_chains; 969 970 enum iwl_rxon_context_id ctxid; 971 972 u32 interface_modes, exclusive_interface_modes; 973 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 974 975 /* 976 * We declare this const so it can only be 977 * changed via explicit cast within the 978 * routines that actually update the physical 979 * hardware. 980 */ 981 const struct iwl_rxon_cmd active; 982 struct iwl_rxon_cmd staging; 983 984 struct iwl_rxon_time_cmd timing; 985 986 struct iwl_qos_info qos_data; 987 988 u8 bcast_sta_id, ap_sta_id; 989 990 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 991 u8 qos_cmd; 992 u8 wep_key_cmd; 993 994 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 995 u8 key_mapping_keys; 996 997 __le32 station_flags; 998 999 int beacon_int; 1000 1001 struct { 1002 bool non_gf_sta_present; 1003 u8 protection; 1004 bool enabled, is_40mhz; 1005 u8 extension_chan_offset; 1006 } ht; 1007 1008 bool last_tx_rejected; 1009}; 1010 1011enum iwl_scan_type { 1012 IWL_SCAN_NORMAL, 1013 IWL_SCAN_RADIO_RESET, 1014 IWL_SCAN_ROC, 1015}; 1016 1017enum iwlagn_ucode_type { 1018 IWL_UCODE_NONE, 1019 IWL_UCODE_REGULAR, 1020 IWL_UCODE_INIT, 1021 IWL_UCODE_WOWLAN, 1022}; 1023 1024#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1025struct iwl_testmode_trace { 1026 u32 buff_size; 1027 u32 total_size; 1028 u32 num_chunks; 1029 u8 *cpu_addr; 1030 u8 *trace_addr; 1031 dma_addr_t dma_addr; 1032 bool trace_enabled; 1033}; 1034#endif 1035 1036struct iwl_priv { 1037 1038 /*data shared among all the driver's layers */ 1039 struct iwl_shared _shrd; 1040 struct iwl_shared *shrd; 1041 1042 /* ieee device used by generic ieee processing code */ 1043 struct ieee80211_hw *hw; 1044 struct ieee80211_channel *ieee_channels; 1045 struct ieee80211_rate *ieee_rates; 1046 struct kmem_cache *tx_cmd_pool; 1047 struct iwl_cfg *cfg; 1048 1049 enum ieee80211_band band; 1050 1051 void (*pre_rx_handler)(struct iwl_priv *priv, 1052 struct iwl_rx_mem_buffer *rxb); 1053 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1054 struct iwl_rx_mem_buffer *rxb); 1055 1056 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1057 1058 /* spectrum measurement report caching */ 1059 struct iwl_spectrum_notification measure_report; 1060 u8 measurement_status; 1061 1062 /* ucode beacon time */ 1063 u32 ucode_beacon_time; 1064 int missed_beacon_threshold; 1065 1066 /* track IBSS manager (last beacon) status */ 1067 u32 ibss_manager; 1068 1069 /* jiffies when last recovery from statistics was performed */ 1070 unsigned long rx_statistics_jiffies; 1071 1072 /*counters */ 1073 u32 rx_handlers_stats[REPLY_MAX]; 1074 1075 /* force reset */ 1076 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1077 1078 /* firmware reload counter and timestamp */ 1079 unsigned long reload_jiffies; 1080 int reload_count; 1081 1082 /* we allocate array of iwl_channel_info for NIC's valid channels. 1083 * Access via channel # using indirect index array */ 1084 struct iwl_channel_info *channel_info; /* channel info array */ 1085 u8 channel_count; /* # of channels */ 1086 1087 /* thermal calibration */ 1088 s32 temperature; /* degrees Kelvin */ 1089 s32 last_temperature; 1090 1091 /* init calibration results */ 1092 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1093 1094 /* Scan related variables */ 1095 unsigned long scan_start; 1096 unsigned long scan_start_tsf; 1097 void *scan_cmd; 1098 enum ieee80211_band scan_band; 1099 struct cfg80211_scan_request *scan_request; 1100 struct ieee80211_vif *scan_vif; 1101 enum iwl_scan_type scan_type; 1102 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1103 u8 mgmt_tx_ant; 1104 1105 /*TODO: remove these pointers - use bus(priv) instead */ 1106 struct iwl_bus *bus; /* bus specific data */ 1107 1108 /* microcode/device supports multiple contexts */ 1109 u8 valid_contexts; 1110 1111 /* max number of station keys */ 1112 u8 sta_key_max_num; 1113 1114 bool new_scan_threshold_behaviour; 1115 1116 /* EEPROM MAC addresses */ 1117 struct mac_address addresses[2]; 1118 1119 /* uCode images, save to reload in case of failure */ 1120 int fw_index; /* firmware we're trying to load */ 1121 u32 ucode_ver; /* version of ucode, copy of 1122 iwl_ucode.ver */ 1123 1124 struct fw_img ucode_rt; 1125 struct fw_img ucode_init; 1126 struct fw_img ucode_wowlan; 1127 1128 enum iwlagn_ucode_type ucode_type; 1129 u8 ucode_write_complete; /* the image write is complete */ 1130 char firmware_name[25]; 1131 1132 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1133 1134 __le16 switch_channel; 1135 1136 struct { 1137 u32 error_event_table; 1138 u32 log_event_table; 1139 } device_pointers; 1140 1141 u16 active_rate; 1142 1143 u8 start_calib; 1144 struct iwl_sensitivity_data sensitivity_data; 1145 struct iwl_chain_noise_data chain_noise_data; 1146 bool enhance_sensitivity_table; 1147 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1148 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1149 1150 struct iwl_ht_config current_ht_config; 1151 1152 /* Rate scaling data */ 1153 u8 retry_rate; 1154 1155 wait_queue_head_t wait_command_queue; 1156 1157 int activity_timer_active; 1158 1159 /* Tx DMA processing queues */ 1160 struct iwl_tx_queue *txq; 1161 unsigned long txq_ctx_active_msk; 1162 1163 /* counts mgmt, ctl, and data packets */ 1164 struct traffic_stats tx_stats; 1165 struct traffic_stats rx_stats; 1166 1167 struct iwl_power_mgr power_data; 1168 struct iwl_tt_mgmt thermal_throttle; 1169 1170 /* station table variables */ 1171 int num_stations; 1172 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1173 unsigned long ucode_key_table; 1174 1175 /* queue refcounts */ 1176#define IWL_MAX_HW_QUEUES 32 1177 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1178 /* for each AC */ 1179 atomic_t queue_stop_count[4]; 1180 1181 /* Indication if ieee80211_ops->open has been called */ 1182 u8 is_open; 1183 1184 /* eeprom -- this is in the card's little endian byte order */ 1185 u8 *eeprom; 1186 int nvm_device_type; 1187 struct iwl_eeprom_calib_info *calib_info; 1188 1189 enum nl80211_iftype iw_mode; 1190 1191 /* Last Rx'd beacon timestamp */ 1192 u64 timestamp; 1193 1194 struct { 1195 __le32 flag; 1196 struct statistics_general_common common; 1197 struct statistics_rx_non_phy rx_non_phy; 1198 struct statistics_rx_phy rx_ofdm; 1199 struct statistics_rx_ht_phy rx_ofdm_ht; 1200 struct statistics_rx_phy rx_cck; 1201 struct statistics_tx tx; 1202#ifdef CONFIG_IWLWIFI_DEBUGFS 1203 struct statistics_bt_activity bt_activity; 1204 __le32 num_bt_kills, accum_num_bt_kills; 1205#endif 1206 } statistics; 1207#ifdef CONFIG_IWLWIFI_DEBUGFS 1208 struct { 1209 struct statistics_general_common common; 1210 struct statistics_rx_non_phy rx_non_phy; 1211 struct statistics_rx_phy rx_ofdm; 1212 struct statistics_rx_ht_phy rx_ofdm_ht; 1213 struct statistics_rx_phy rx_cck; 1214 struct statistics_tx tx; 1215 struct statistics_bt_activity bt_activity; 1216 } accum_stats, delta_stats, max_delta_stats; 1217#endif 1218 1219 /* 1220 * reporting the number of tids has AGG on. 0 means 1221 * no AGGREGATION 1222 */ 1223 u8 agg_tids_count; 1224 1225 struct iwl_rx_phy_res last_phy_res; 1226 bool last_phy_res_valid; 1227 1228 struct completion firmware_loading_complete; 1229 1230 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1231 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1232 1233 /* 1234 * chain noise reset and gain commands are the 1235 * two extra calibration commands follows the standard 1236 * phy calibration commands 1237 */ 1238 u8 phy_calib_chain_noise_reset_cmd; 1239 u8 phy_calib_chain_noise_gain_cmd; 1240 1241 /* counts reply_tx error */ 1242 struct reply_tx_error_statistics reply_tx_stats; 1243 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1244 /* notification wait support */ 1245 struct list_head notif_waits; 1246 spinlock_t notif_wait_lock; 1247 wait_queue_head_t notif_waitq; 1248 1249 /* remain-on-channel offload support */ 1250 struct ieee80211_channel *hw_roc_channel; 1251 struct delayed_work hw_roc_disable_work; 1252 enum nl80211_channel_type hw_roc_chantype; 1253 int hw_roc_duration; 1254 bool hw_roc_setup; 1255 1256 /* bt coex */ 1257 u8 bt_enable_flag; 1258 u8 bt_status; 1259 u8 bt_traffic_load, last_bt_traffic_load; 1260 bool bt_ch_announce; 1261 bool bt_full_concurrent; 1262 bool bt_ant_couple_ok; 1263 __le32 kill_ack_mask; 1264 __le32 kill_cts_mask; 1265 __le16 bt_valid; 1266 u16 bt_on_thresh; 1267 u16 bt_duration; 1268 u16 dynamic_frag_thresh; 1269 u8 bt_ci_compliance; 1270 struct work_struct bt_traffic_change_work; 1271 bool bt_enable_pspoll; 1272 struct iwl_rxon_context *cur_rssi_ctx; 1273 bool bt_is_sco; 1274 1275 struct work_struct restart; 1276 struct work_struct scan_completed; 1277 struct work_struct abort_scan; 1278 1279 struct work_struct beacon_update; 1280 struct iwl_rxon_context *beacon_ctx; 1281 struct sk_buff *beacon_skb; 1282 void *beacon_cmd; 1283 1284 struct work_struct tt_work; 1285 struct work_struct ct_enter; 1286 struct work_struct ct_exit; 1287 struct work_struct start_internal_scan; 1288 struct work_struct tx_flush; 1289 struct work_struct bt_full_concurrency; 1290 struct work_struct bt_runtime_config; 1291 1292 struct delayed_work scan_check; 1293 1294 /* TX Power */ 1295 s8 tx_power_user_lmt; 1296 s8 tx_power_device_lmt; 1297 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1298 s8 tx_power_next; 1299 1300#ifdef CONFIG_IWLWIFI_DEBUGFS 1301 /* debugfs */ 1302 u16 tx_traffic_idx; 1303 u16 rx_traffic_idx; 1304 u8 *tx_traffic; 1305 u8 *rx_traffic; 1306 struct dentry *debugfs_dir; 1307 u32 dbgfs_sram_offset, dbgfs_sram_len; 1308 bool disable_ht40; 1309 void *wowlan_sram; 1310#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1311 1312 struct work_struct txpower_work; 1313 u32 disable_sens_cal; 1314 u32 disable_chain_noise_cal; 1315 struct work_struct run_time_calib_work; 1316 struct timer_list statistics_periodic; 1317 struct timer_list ucode_trace; 1318 struct timer_list watchdog; 1319 1320 struct iwl_event_log event_log; 1321 1322 struct led_classdev led; 1323 unsigned long blink_on, blink_off; 1324 bool led_registered; 1325#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1326 struct iwl_testmode_trace testmode_trace; 1327 u32 tm_fixed_rate; 1328#endif 1329 1330 /* WoWLAN GTK rekey data */ 1331 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 1332 __le64 replay_ctr; 1333 __le16 last_seq_ctl; 1334 bool have_rekey_data; 1335}; /*iwl_priv */ 1336 1337static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1338{ 1339 set_bit(txq_id, &priv->txq_ctx_active_msk); 1340} 1341 1342static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1343{ 1344 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1345} 1346 1347extern struct iwl_mod_params iwlagn_mod_params; 1348 1349static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1350 int txq_id, int idx) 1351{ 1352 if (priv->txq[txq_id].skbs[idx]) 1353 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1354 skbs[idx]->data; 1355 return NULL; 1356} 1357 1358static inline struct iwl_rxon_context * 1359iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1360{ 1361 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1362 1363 return vif_priv->ctx; 1364} 1365 1366#define for_each_context(priv, ctx) \ 1367 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1368 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1369 if (priv->valid_contexts & BIT(ctx->ctxid)) 1370 1371static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1372{ 1373 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1374} 1375 1376static inline int iwl_is_associated(struct iwl_priv *priv, 1377 enum iwl_rxon_context_id ctxid) 1378{ 1379 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 1380} 1381 1382static inline int iwl_is_any_associated(struct iwl_priv *priv) 1383{ 1384 struct iwl_rxon_context *ctx; 1385 for_each_context(priv, ctx) 1386 if (iwl_is_associated_ctx(ctx)) 1387 return true; 1388 return false; 1389} 1390 1391static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1392{ 1393 if (ch_info == NULL) 1394 return 0; 1395 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1396} 1397 1398static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1399{ 1400 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1401} 1402 1403static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1404{ 1405 return ch_info->band == IEEE80211_BAND_5GHZ; 1406} 1407 1408static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1409{ 1410 return ch_info->band == IEEE80211_BAND_2GHZ; 1411} 1412 1413static inline int is_channel_passive(const struct iwl_channel_info *ch) 1414{ 1415 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1416} 1417 1418static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1419{ 1420 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1421} 1422 1423#endif /* __iwl_dev_h__ */ 1424