iwl-dev.h revision dda61a4482661d71034cc132d1f474f19ce34a4d
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 54#define DRV_NAME "iwlagn" 55 56struct iwl_tx_queue; 57 58/* CT-KILL constants */ 59#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 60#define CT_KILL_THRESHOLD 114 /* in Celsius */ 61#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 62 63/* Default noise level to report when noise measurement is not available. 64 * This may be because we're: 65 * 1) Not associated (4965, no beacon statistics being sent to driver) 66 * 2) Scanning (noise measurement does not apply to associated channel) 67 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 68 * Use default noise value of -127 ... this is below the range of measurable 69 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 70 * Also, -127 works better than 0 when averaging frames with/without 71 * noise info (e.g. averaging might be done in app); measured dBm values are 72 * always negative ... using a negative value as the default keeps all 73 * averages within an s8's (used in some apps) range of negative values. */ 74#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 75 76/* 77 * RTS threshold here is total size [2347] minus 4 FCS bytes 78 * Per spec: 79 * a value of 0 means RTS on all data/management packets 80 * a value > max MSDU size means no RTS 81 * else RTS for data/management frames where MPDU is larger 82 * than RTS value. 83 */ 84#define DEFAULT_RTS_THRESHOLD 2347U 85#define MIN_RTS_THRESHOLD 0U 86#define MAX_RTS_THRESHOLD 2347U 87#define MAX_MSDU_SIZE 2304U 88#define MAX_MPDU_SIZE 2346U 89#define DEFAULT_BEACON_INTERVAL 200U 90#define DEFAULT_SHORT_RETRY_LIMIT 7U 91#define DEFAULT_LONG_RETRY_LIMIT 4U 92 93/* defined below */ 94struct iwl_device_cmd; 95 96struct iwl_cmd_meta { 97 /* only for SYNC commands, iff the reply skb is wanted */ 98 struct iwl_host_cmd *source; 99 /* 100 * only for ASYNC commands 101 * (which is somewhat stupid -- look at iwl-sta.c for instance 102 * which duplicates a bunch of code because the callback isn't 103 * invoked for SYNC commands, if it were and its result passed 104 * through it would be simpler...) 105 */ 106 void (*callback)(struct iwl_priv *priv, 107 struct iwl_device_cmd *cmd, 108 struct iwl_rx_packet *pkt); 109 110 u32 flags; 111 112 DEFINE_DMA_UNMAP_ADDR(mapping); 113 DEFINE_DMA_UNMAP_LEN(len); 114}; 115 116/* 117 * Generic queue structure 118 * 119 * Contains common data for Rx and Tx queues. 120 * 121 * Note the difference between n_bd and n_window: the hardware 122 * always assumes 256 descriptors, so n_bd is always 256 (unless 123 * there might be HW changes in the future). For the normal TX 124 * queues, n_window, which is the size of the software queue data 125 * is also 256; however, for the command queue, n_window is only 126 * 32 since we don't need so many commands pending. Since the HW 127 * still uses 256 BDs for DMA though, n_bd stays 256. As a result, 128 * the software buffers (in the variables @meta, @txb in struct 129 * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds 130 * in the same struct) have 256. 131 * This means that we end up with the following: 132 * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | 133 * SW entries: | 0 | ... | 31 | 134 * where N is a number between 0 and 7. This means that the SW 135 * data is a window overlayed over the HW queue. 136 */ 137struct iwl_queue { 138 int n_bd; /* number of BDs in this queue */ 139 int write_ptr; /* 1-st empty entry (index) host_w*/ 140 int read_ptr; /* last used entry (index) host_r*/ 141 /* use for monitoring and recovering the stuck queue */ 142 dma_addr_t dma_addr; /* physical addr for BD's */ 143 int n_window; /* safe queue window */ 144 u32 id; 145 int low_mark; /* low watermark, resume queue if free 146 * space more than this */ 147 int high_mark; /* high watermark, stop queue if free 148 * space less than this */ 149}; 150 151/* One for each TFD */ 152struct iwl_tx_info { 153 struct sk_buff *skb; 154 struct iwl_rxon_context *ctx; 155}; 156 157/** 158 * struct iwl_tx_queue - Tx Queue for DMA 159 * @q: generic Rx/Tx queue descriptor 160 * @bd: base of circular buffer of TFDs 161 * @cmd: array of command/TX buffer pointers 162 * @meta: array of meta data for each command/tx buffer 163 * @dma_addr_cmd: physical address of cmd/tx buffer array 164 * @txb: array of per-TFD driver data 165 * @time_stamp: time (in jiffies) of last read_ptr change 166 * @need_update: indicates need to update read/write index 167 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 168 * @sta_id: valid if sched_retry is set 169 * @tid: valid if sched_retry is set 170 * 171 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 172 * descriptors) and required locking structures. 173 */ 174#define TFD_TX_CMD_SLOTS 256 175#define TFD_CMD_SLOTS 32 176 177struct iwl_tx_queue { 178 struct iwl_queue q; 179 struct iwl_tfd *tfds; 180 struct iwl_device_cmd **cmd; 181 struct iwl_cmd_meta *meta; 182 struct iwl_tx_info *txb; 183 unsigned long time_stamp; 184 u8 need_update; 185 u8 sched_retry; 186 u8 active; 187 u8 swq_id; 188 189 u16 sta_id; 190 u16 tid; 191}; 192 193#define IWL_NUM_SCAN_RATES (2) 194 195/* 196 * One for each channel, holds all channel setup data 197 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 198 * with one another! 199 */ 200struct iwl_channel_info { 201 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 202 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 203 * HT40 channel */ 204 205 u8 channel; /* channel number */ 206 u8 flags; /* flags copied from EEPROM */ 207 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 208 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 209 s8 min_power; /* always 0 */ 210 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 211 212 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 213 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 214 enum ieee80211_band band; 215 216 /* HT40 channel info */ 217 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 218 u8 ht40_flags; /* flags copied from EEPROM */ 219 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 220}; 221 222#define IWL_TX_FIFO_BK 0 /* shared */ 223#define IWL_TX_FIFO_BE 1 224#define IWL_TX_FIFO_VI 2 /* shared */ 225#define IWL_TX_FIFO_VO 3 226#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 227#define IWL_TX_FIFO_BE_IPAN 4 228#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 229#define IWL_TX_FIFO_VO_IPAN 5 230/* re-uses the VO FIFO, uCode will properly flush/schedule */ 231#define IWL_TX_FIFO_AUX 5 232#define IWL_TX_FIFO_UNUSED -1 233 234/* AUX (TX during scan dwell) queue */ 235#define IWL_AUX_QUEUE 10 236 237/* 238 * Minimum number of queues. MAX_NUM is defined in hw specific files. 239 * Set the minimum to accommodate 240 * - 4 standard TX queues 241 * - the command queue 242 * - 4 PAN TX queues 243 * - the PAN multicast queue, and 244 * - the AUX (TX during scan dwell) queue. 245 */ 246#define IWL_MIN_NUM_QUEUES 11 247 248/* 249 * Command queue depends on iPAN support. 250 */ 251#define IWL_DEFAULT_CMD_QUEUE_NUM 4 252#define IWL_IPAN_CMD_QUEUE_NUM 9 253 254/* 255 * This queue number is required for proper operation 256 * because the ucode will stop/start the scheduler as 257 * required. 258 */ 259#define IWL_IPAN_MCAST_QUEUE 8 260 261#define IEEE80211_DATA_LEN 2304 262#define IEEE80211_4ADDR_LEN 30 263#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 264#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 265 266 267#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 268#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 269#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 270 271enum { 272 CMD_SYNC = 0, 273 CMD_ASYNC = BIT(0), 274 CMD_WANT_SKB = BIT(1), 275 CMD_ON_DEMAND = BIT(2), 276}; 277 278#define DEF_CMD_PAYLOAD_SIZE 320 279 280/** 281 * struct iwl_device_cmd 282 * 283 * For allocation of the command and tx queues, this establishes the overall 284 * size of the largest command we send to uCode, except for commands that 285 * aren't fully copied and use other TFD space. 286 */ 287struct iwl_device_cmd { 288 struct iwl_cmd_header hdr; /* uCode API */ 289 union { 290 u32 flags; 291 u8 val8; 292 u16 val16; 293 u32 val32; 294 struct iwl_tx_cmd tx; 295 struct iwl6000_channel_switch_cmd chswitch; 296 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 297 } __packed cmd; 298} __packed; 299 300#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 301 302#define IWL_MAX_CMD_TFDS 2 303 304enum iwl_hcmd_dataflag { 305 IWL_HCMD_DFL_NOCOPY = BIT(0), 306}; 307 308/** 309 * struct iwl_host_cmd - Host command to the uCode 310 * @data: array of chunks that composes the data of the host command 311 * @reply_page: pointer to the page that holds the response to the host command 312 * @callback: 313 * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC 314 * @len: array of the lenths of the chunks in data 315 * @dataflags: 316 * @id: id of the host command 317 */ 318struct iwl_host_cmd { 319 const void *data[IWL_MAX_CMD_TFDS]; 320 unsigned long reply_page; 321 void (*callback)(struct iwl_priv *priv, 322 struct iwl_device_cmd *cmd, 323 struct iwl_rx_packet *pkt); 324 u32 flags; 325 u16 len[IWL_MAX_CMD_TFDS]; 326 u8 dataflags[IWL_MAX_CMD_TFDS]; 327 u8 id; 328}; 329 330#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 331#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 332#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 333 334#define IWL_SUPPORTED_RATES_IE_LEN 8 335 336#define MAX_TID_COUNT 9 337 338#define IWL_INVALID_RATE 0xFF 339#define IWL_INVALID_VALUE -1 340 341/** 342 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 343 * @txq_id: Tx queue used for Tx attempt 344 * @frame_count: # frames attempted by Tx command 345 * @wait_for_ba: Expect block-ack before next Tx reply 346 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 347 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 348 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 349 * @rate_n_flags: Rate at which Tx was attempted 350 * 351 * If REPLY_TX indicates that aggregation was attempted, driver must wait 352 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 353 * until block ack arrives. 354 */ 355struct iwl_ht_agg { 356 u16 txq_id; 357 u16 frame_count; 358 u16 wait_for_ba; 359 u16 start_idx; 360 u64 bitmap; 361 u32 rate_n_flags; 362#define IWL_AGG_OFF 0 363#define IWL_AGG_ON 1 364#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 365#define IWL_EMPTYING_HW_QUEUE_DELBA 3 366 u8 state; 367 u8 tx_fifo; 368}; 369 370 371struct iwl_tid_data { 372 u16 seq_number; /* agn only */ 373 u16 tfds_in_queue; 374 struct iwl_ht_agg agg; 375}; 376 377union iwl_ht_rate_supp { 378 u16 rates; 379 struct { 380 u8 siso_rate; 381 u8 mimo_rate; 382 }; 383}; 384 385#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 386#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 387#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 388#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 389#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 390#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 391#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 392 393/* 394 * Maximal MPDU density for TX aggregation 395 * 4 - 2us density 396 * 5 - 4us density 397 * 6 - 8us density 398 * 7 - 16us density 399 */ 400#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 401#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 402#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 403#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 404#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 405#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 406#define CFG_HT_MPDU_DENSITY_MIN (0x1) 407 408struct iwl_ht_config { 409 bool single_chain_sufficient; 410 enum ieee80211_smps_mode smps; /* current smps mode */ 411}; 412 413/* QoS structures */ 414struct iwl_qos_info { 415 int qos_active; 416 struct iwl_qosparam_cmd def_qos_parm; 417}; 418 419/* 420 * Structure should be accessed with sta_lock held. When station addition 421 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 422 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 423 * held. 424 */ 425struct iwl_station_entry { 426 struct iwl_addsta_cmd sta; 427 struct iwl_tid_data tid[MAX_TID_COUNT]; 428 u8 used, ctxid; 429 struct iwl_link_quality_cmd *lq; 430}; 431 432struct iwl_station_priv_common { 433 struct iwl_rxon_context *ctx; 434 u8 sta_id; 435}; 436 437/* 438 * iwl_station_priv: Driver's private station information 439 * 440 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 441 * in the structure for use by driver. This structure is places in that 442 * space. 443 */ 444struct iwl_station_priv { 445 struct iwl_station_priv_common common; 446 struct iwl_lq_sta lq_sta; 447 atomic_t pending_frames; 448 bool client; 449 bool asleep; 450 u8 max_agg_bufsize; 451}; 452 453/** 454 * struct iwl_vif_priv - driver's private per-interface information 455 * 456 * When mac80211 allocates a virtual interface, it can allocate 457 * space for us to put data into. 458 */ 459struct iwl_vif_priv { 460 struct iwl_rxon_context *ctx; 461 u8 ibss_bssid_sta_id; 462}; 463 464/* one for each uCode image (inst/data, boot/init/runtime) */ 465struct fw_desc { 466 void *v_addr; /* access by driver */ 467 dma_addr_t p_addr; /* access by card's busmaster DMA */ 468 u32 len; /* bytes */ 469}; 470 471struct fw_img { 472 struct fw_desc code, data; 473}; 474 475/* v1/v2 uCode file layout */ 476struct iwl_ucode_header { 477 __le32 ver; /* major/minor/API/serial */ 478 union { 479 struct { 480 __le32 inst_size; /* bytes of runtime code */ 481 __le32 data_size; /* bytes of runtime data */ 482 __le32 init_size; /* bytes of init code */ 483 __le32 init_data_size; /* bytes of init data */ 484 __le32 boot_size; /* bytes of bootstrap code */ 485 u8 data[0]; /* in same order as sizes */ 486 } v1; 487 struct { 488 __le32 build; /* build number */ 489 __le32 inst_size; /* bytes of runtime code */ 490 __le32 data_size; /* bytes of runtime data */ 491 __le32 init_size; /* bytes of init code */ 492 __le32 init_data_size; /* bytes of init data */ 493 __le32 boot_size; /* bytes of bootstrap code */ 494 u8 data[0]; /* in same order as sizes */ 495 } v2; 496 } u; 497}; 498 499/* 500 * new TLV uCode file layout 501 * 502 * The new TLV file format contains TLVs, that each specify 503 * some piece of data. To facilitate "groups", for example 504 * different instruction image with different capabilities, 505 * bundled with the same init image, an alternative mechanism 506 * is provided: 507 * When the alternative field is 0, that means that the item 508 * is always valid. When it is non-zero, then it is only 509 * valid in conjunction with items of the same alternative, 510 * in which case the driver (user) selects one alternative 511 * to use. 512 */ 513 514enum iwl_ucode_tlv_type { 515 IWL_UCODE_TLV_INVALID = 0, /* unused */ 516 IWL_UCODE_TLV_INST = 1, 517 IWL_UCODE_TLV_DATA = 2, 518 IWL_UCODE_TLV_INIT = 3, 519 IWL_UCODE_TLV_INIT_DATA = 4, 520 IWL_UCODE_TLV_BOOT = 5, 521 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 522 IWL_UCODE_TLV_PAN = 7, 523 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 524 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 525 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 526 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 527 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 528 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 529 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 530 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 531 IWL_UCODE_TLV_WOWLAN_INST = 16, 532 IWL_UCODE_TLV_WOWLAN_DATA = 17, 533 IWL_UCODE_TLV_FLAGS = 18, 534}; 535 536/** 537 * enum iwl_ucode_tlv_flag - ucode API flags 538 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 539 * was a separate TLV but moved here to save space. 540 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, 541 * treats good CRC threshold as a boolean 542 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 543 * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. 544 */ 545enum iwl_ucode_tlv_flag { 546 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 547 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), 548 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 549 IWL_UCODE_TLV_FLAGS_P2P = BIT(3), 550}; 551 552struct iwl_ucode_tlv { 553 __le16 type; /* see above */ 554 __le16 alternative; /* see comment */ 555 __le32 length; /* not including type/length fields */ 556 u8 data[0]; 557} __packed; 558 559#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 560 561struct iwl_tlv_ucode_header { 562 /* 563 * The TLV style ucode header is distinguished from 564 * the v1/v2 style header by first four bytes being 565 * zero, as such is an invalid combination of 566 * major/minor/API/serial versions. 567 */ 568 __le32 zero; 569 __le32 magic; 570 u8 human_readable[64]; 571 __le32 ver; /* major/minor/API/serial */ 572 __le32 build; 573 __le64 alternatives; /* bitmask of valid alternatives */ 574 /* 575 * The data contained herein has a TLV layout, 576 * see above for the TLV header and types. 577 * Note that each TLV is padded to a length 578 * that is a multiple of 4 for alignment. 579 */ 580 u8 data[0]; 581}; 582 583struct iwl_sensitivity_ranges { 584 u16 min_nrg_cck; 585 u16 max_nrg_cck; 586 587 u16 nrg_th_cck; 588 u16 nrg_th_ofdm; 589 590 u16 auto_corr_min_ofdm; 591 u16 auto_corr_min_ofdm_mrc; 592 u16 auto_corr_min_ofdm_x1; 593 u16 auto_corr_min_ofdm_mrc_x1; 594 595 u16 auto_corr_max_ofdm; 596 u16 auto_corr_max_ofdm_mrc; 597 u16 auto_corr_max_ofdm_x1; 598 u16 auto_corr_max_ofdm_mrc_x1; 599 600 u16 auto_corr_max_cck; 601 u16 auto_corr_max_cck_mrc; 602 u16 auto_corr_min_cck; 603 u16 auto_corr_min_cck_mrc; 604 605 u16 barker_corr_th_min; 606 u16 barker_corr_th_min_mrc; 607 u16 nrg_th_cca; 608}; 609 610 611#define KELVIN_TO_CELSIUS(x) ((x)-273) 612#define CELSIUS_TO_KELVIN(x) ((x)+273) 613 614 615/****************************************************************************** 616 * 617 * Functions implemented in core module which are forward declared here 618 * for use by iwl-[4-5].c 619 * 620 * NOTE: The implementation of these functions are not hardware specific 621 * which is why they are in the core module files. 622 * 623 * Naming convention -- 624 * iwl_ <-- Is part of iwlwifi 625 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 626 * 627 ****************************************************************************/ 628extern void iwl_update_chain_flags(struct iwl_priv *priv); 629extern const u8 iwl_bcast_addr[ETH_ALEN]; 630extern int iwl_queue_space(const struct iwl_queue *q); 631static inline int iwl_queue_used(const struct iwl_queue *q, int i) 632{ 633 return q->write_ptr >= q->read_ptr ? 634 (i >= q->read_ptr && i < q->write_ptr) : 635 !(i < q->read_ptr && i >= q->write_ptr); 636} 637 638 639static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) 640{ 641 return index & (q->n_window - 1); 642} 643 644 645struct iwl_dma_ptr { 646 dma_addr_t dma; 647 void *addr; 648 size_t size; 649}; 650 651#define IWL_OPERATION_MODE_AUTO 0 652#define IWL_OPERATION_MODE_HT_ONLY 1 653#define IWL_OPERATION_MODE_MIXED 2 654#define IWL_OPERATION_MODE_20MHZ 3 655 656#define IWL_TX_CRC_SIZE 4 657#define IWL_TX_DELIMITER_SIZE 4 658 659#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 660 661/* Sensitivity and chain noise calibration */ 662#define INITIALIZATION_VALUE 0xFFFF 663#define IWL_CAL_NUM_BEACONS 16 664#define MAXIMUM_ALLOWED_PATHLOSS 15 665 666#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 667 668#define MAX_FA_OFDM 50 669#define MIN_FA_OFDM 5 670#define MAX_FA_CCK 50 671#define MIN_FA_CCK 5 672 673#define AUTO_CORR_STEP_OFDM 1 674 675#define AUTO_CORR_STEP_CCK 3 676#define AUTO_CORR_MAX_TH_CCK 160 677 678#define NRG_DIFF 2 679#define NRG_STEP_CCK 2 680#define NRG_MARGIN 8 681#define MAX_NUMBER_CCK_NO_FA 100 682 683#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 684 685#define CHAIN_A 0 686#define CHAIN_B 1 687#define CHAIN_C 2 688#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 689#define ALL_BAND_FILTER 0xFF00 690#define IN_BAND_FILTER 0xFF 691#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 692 693#define NRG_NUM_PREV_STAT_L 20 694#define NUM_RX_CHAINS 3 695 696enum iwlagn_false_alarm_state { 697 IWL_FA_TOO_MANY = 0, 698 IWL_FA_TOO_FEW = 1, 699 IWL_FA_GOOD_RANGE = 2, 700}; 701 702enum iwlagn_chain_noise_state { 703 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 704 IWL_CHAIN_NOISE_ACCUMULATE, 705 IWL_CHAIN_NOISE_CALIBRATED, 706 IWL_CHAIN_NOISE_DONE, 707}; 708 709 710/* 711 * enum iwl_calib 712 * defines the order in which results of initial calibrations 713 * should be sent to the runtime uCode 714 */ 715enum iwl_calib { 716 IWL_CALIB_XTAL, 717 IWL_CALIB_DC, 718 IWL_CALIB_LO, 719 IWL_CALIB_TX_IQ, 720 IWL_CALIB_TX_IQ_PERD, 721 IWL_CALIB_BASE_BAND, 722 IWL_CALIB_TEMP_OFFSET, 723 IWL_CALIB_MAX 724}; 725 726/* Opaque calibration results */ 727struct iwl_calib_result { 728 void *buf; 729 size_t buf_len; 730}; 731 732/* Sensitivity calib data */ 733struct iwl_sensitivity_data { 734 u32 auto_corr_ofdm; 735 u32 auto_corr_ofdm_mrc; 736 u32 auto_corr_ofdm_x1; 737 u32 auto_corr_ofdm_mrc_x1; 738 u32 auto_corr_cck; 739 u32 auto_corr_cck_mrc; 740 741 u32 last_bad_plcp_cnt_ofdm; 742 u32 last_fa_cnt_ofdm; 743 u32 last_bad_plcp_cnt_cck; 744 u32 last_fa_cnt_cck; 745 746 u32 nrg_curr_state; 747 u32 nrg_prev_state; 748 u32 nrg_value[10]; 749 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 750 u32 nrg_silence_ref; 751 u32 nrg_energy_idx; 752 u32 nrg_silence_idx; 753 u32 nrg_th_cck; 754 s32 nrg_auto_corr_silence_diff; 755 u32 num_in_cck_no_fa; 756 u32 nrg_th_ofdm; 757 758 u16 barker_corr_th_min; 759 u16 barker_corr_th_min_mrc; 760 u16 nrg_th_cca; 761}; 762 763/* Chain noise (differential Rx gain) calib data */ 764struct iwl_chain_noise_data { 765 u32 active_chains; 766 u32 chain_noise_a; 767 u32 chain_noise_b; 768 u32 chain_noise_c; 769 u32 chain_signal_a; 770 u32 chain_signal_b; 771 u32 chain_signal_c; 772 u16 beacon_count; 773 u8 disconn_array[NUM_RX_CHAINS]; 774 u8 delta_gain_code[NUM_RX_CHAINS]; 775 u8 radio_write; 776 u8 state; 777}; 778 779#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 780#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 781 782#define IWL_TRAFFIC_ENTRIES (256) 783#define IWL_TRAFFIC_ENTRY_SIZE (64) 784 785enum { 786 MEASUREMENT_READY = (1 << 0), 787 MEASUREMENT_ACTIVE = (1 << 1), 788}; 789 790enum iwl_nvm_type { 791 NVM_DEVICE_TYPE_EEPROM = 0, 792 NVM_DEVICE_TYPE_OTP, 793}; 794 795/* 796 * Two types of OTP memory access modes 797 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 798 * based on physical memory addressing 799 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 800 * based on logical memory addressing 801 */ 802enum iwl_access_mode { 803 IWL_OTP_ACCESS_ABSOLUTE, 804 IWL_OTP_ACCESS_RELATIVE, 805}; 806 807/** 808 * enum iwl_pa_type - Power Amplifier type 809 * @IWL_PA_SYSTEM: based on uCode configuration 810 * @IWL_PA_INTERNAL: use Internal only 811 */ 812enum iwl_pa_type { 813 IWL_PA_SYSTEM = 0, 814 IWL_PA_INTERNAL = 1, 815}; 816 817/* reply_tx_statistics (for _agn devices) */ 818struct reply_tx_error_statistics { 819 u32 pp_delay; 820 u32 pp_few_bytes; 821 u32 pp_bt_prio; 822 u32 pp_quiet_period; 823 u32 pp_calc_ttak; 824 u32 int_crossed_retry; 825 u32 short_limit; 826 u32 long_limit; 827 u32 fifo_underrun; 828 u32 drain_flow; 829 u32 rfkill_flush; 830 u32 life_expire; 831 u32 dest_ps; 832 u32 host_abort; 833 u32 bt_retry; 834 u32 sta_invalid; 835 u32 frag_drop; 836 u32 tid_disable; 837 u32 fifo_flush; 838 u32 insuff_cf_poll; 839 u32 fail_hw_drop; 840 u32 sta_color_mismatch; 841 u32 unknown; 842}; 843 844/* reply_agg_tx_statistics (for _agn devices) */ 845struct reply_agg_tx_error_statistics { 846 u32 underrun; 847 u32 bt_prio; 848 u32 few_bytes; 849 u32 abort; 850 u32 last_sent_ttl; 851 u32 last_sent_try; 852 u32 last_sent_bt_kill; 853 u32 scd_query; 854 u32 bad_crc32; 855 u32 response; 856 u32 dump_tx; 857 u32 delay_tx; 858 u32 unknown; 859}; 860 861/* management statistics */ 862enum iwl_mgmt_stats { 863 MANAGEMENT_ASSOC_REQ = 0, 864 MANAGEMENT_ASSOC_RESP, 865 MANAGEMENT_REASSOC_REQ, 866 MANAGEMENT_REASSOC_RESP, 867 MANAGEMENT_PROBE_REQ, 868 MANAGEMENT_PROBE_RESP, 869 MANAGEMENT_BEACON, 870 MANAGEMENT_ATIM, 871 MANAGEMENT_DISASSOC, 872 MANAGEMENT_AUTH, 873 MANAGEMENT_DEAUTH, 874 MANAGEMENT_ACTION, 875 MANAGEMENT_MAX, 876}; 877/* control statistics */ 878enum iwl_ctrl_stats { 879 CONTROL_BACK_REQ = 0, 880 CONTROL_BACK, 881 CONTROL_PSPOLL, 882 CONTROL_RTS, 883 CONTROL_CTS, 884 CONTROL_ACK, 885 CONTROL_CFEND, 886 CONTROL_CFENDACK, 887 CONTROL_MAX, 888}; 889 890struct traffic_stats { 891#ifdef CONFIG_IWLWIFI_DEBUGFS 892 u32 mgmt[MANAGEMENT_MAX]; 893 u32 ctrl[CONTROL_MAX]; 894 u32 data_cnt; 895 u64 data_bytes; 896#endif 897}; 898 899/* 900 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 901 * to perform continuous uCode event logging operation if enabled 902 */ 903#define UCODE_TRACE_PERIOD (100) 904 905/* 906 * iwl_event_log: current uCode event log position 907 * 908 * @ucode_trace: enable/disable ucode continuous trace timer 909 * @num_wraps: how many times the event buffer wraps 910 * @next_entry: the entry just before the next one that uCode would fill 911 * @non_wraps_count: counter for no wrap detected when dump ucode events 912 * @wraps_once_count: counter for wrap once detected when dump ucode events 913 * @wraps_more_count: counter for wrap more than once detected 914 * when dump ucode events 915 */ 916struct iwl_event_log { 917 bool ucode_trace; 918 u32 num_wraps; 919 u32 next_entry; 920 int non_wraps_count; 921 int wraps_once_count; 922 int wraps_more_count; 923}; 924 925/* 926 * host interrupt timeout value 927 * used with setting interrupt coalescing timer 928 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 929 * 930 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 931 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 932 */ 933#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 934#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 935#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 936#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 937#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 938#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 939 940/* 941 * This is the threshold value of plcp error rate per 100mSecs. It is 942 * used to set and check for the validity of plcp_delta. 943 */ 944#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 945#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 946#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 947#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 948#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 949#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 950 951#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 952#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 953 954/* TX queue watchdog timeouts in mSecs */ 955#define IWL_DEF_WD_TIMEOUT (2000) 956#define IWL_LONG_WD_TIMEOUT (10000) 957#define IWL_MAX_WD_TIMEOUT (120000) 958 959/* BT Antenna Coupling Threshold (dB) */ 960#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 961 962/* Firmware reload counter and Timestamp */ 963#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 964#define IWL_MAX_CONTINUE_RELOAD_CNT 4 965 966 967enum iwl_reset { 968 IWL_RF_RESET = 0, 969 IWL_FW_RESET, 970 IWL_MAX_FORCE_RESET, 971}; 972 973struct iwl_force_reset { 974 int reset_request_count; 975 int reset_success_count; 976 int reset_reject_count; 977 unsigned long reset_duration; 978 unsigned long last_force_reset_jiffies; 979}; 980 981/* extend beacon time format bit shifting */ 982/* 983 * for _agn devices 984 * bits 31:22 - extended 985 * bits 21:0 - interval 986 */ 987#define IWLAGN_EXT_BEACON_TIME_POS 22 988 989/** 990 * struct iwl_notification_wait - notification wait entry 991 * @list: list head for global list 992 * @fn: function called with the notification 993 * @cmd: command ID 994 * 995 * This structure is not used directly, to wait for a 996 * notification declare it on the stack, and call 997 * iwlagn_init_notification_wait() with appropriate 998 * parameters. Then do whatever will cause the ucode 999 * to notify the driver, and to wait for that then 1000 * call iwlagn_wait_notification(). 1001 * 1002 * Each notification is one-shot. If at some point we 1003 * need to support multi-shot notifications (which 1004 * can't be allocated on the stack) we need to modify 1005 * the code for them. 1006 */ 1007struct iwl_notification_wait { 1008 struct list_head list; 1009 1010 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 1011 void *data); 1012 void *fn_data; 1013 1014 u8 cmd; 1015 bool triggered, aborted; 1016}; 1017 1018enum iwl_rxon_context_id { 1019 IWL_RXON_CTX_BSS, 1020 IWL_RXON_CTX_PAN, 1021 1022 NUM_IWL_RXON_CTX 1023}; 1024 1025struct iwl_rxon_context { 1026 struct ieee80211_vif *vif; 1027 1028 const u8 *ac_to_fifo; 1029 const u8 *ac_to_queue; 1030 u8 mcast_queue; 1031 1032 /* 1033 * We could use the vif to indicate active, but we 1034 * also need it to be active during disabling when 1035 * we already removed the vif for type setting. 1036 */ 1037 bool always_active, is_active; 1038 1039 bool ht_need_multiple_chains; 1040 1041 enum iwl_rxon_context_id ctxid; 1042 1043 u32 interface_modes, exclusive_interface_modes; 1044 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 1045 1046 /* 1047 * We declare this const so it can only be 1048 * changed via explicit cast within the 1049 * routines that actually update the physical 1050 * hardware. 1051 */ 1052 const struct iwl_rxon_cmd active; 1053 struct iwl_rxon_cmd staging; 1054 1055 struct iwl_rxon_time_cmd timing; 1056 1057 struct iwl_qos_info qos_data; 1058 1059 u8 bcast_sta_id, ap_sta_id; 1060 1061 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1062 u8 qos_cmd; 1063 u8 wep_key_cmd; 1064 1065 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1066 u8 key_mapping_keys; 1067 1068 __le32 station_flags; 1069 1070 int beacon_int; 1071 1072 struct { 1073 bool non_gf_sta_present; 1074 u8 protection; 1075 bool enabled, is_40mhz; 1076 u8 extension_chan_offset; 1077 } ht; 1078 1079 bool last_tx_rejected; 1080}; 1081 1082enum iwl_scan_type { 1083 IWL_SCAN_NORMAL, 1084 IWL_SCAN_RADIO_RESET, 1085 IWL_SCAN_ROC, 1086}; 1087 1088enum iwlagn_ucode_type { 1089 IWL_UCODE_NONE, 1090 IWL_UCODE_REGULAR, 1091 IWL_UCODE_INIT, 1092 IWL_UCODE_WOWLAN, 1093}; 1094 1095#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1096struct iwl_testmode_trace { 1097 u32 buff_size; 1098 u32 total_size; 1099 u32 num_chunks; 1100 u8 *cpu_addr; 1101 u8 *trace_addr; 1102 dma_addr_t dma_addr; 1103 bool trace_enabled; 1104}; 1105#endif 1106 1107/* uCode ownership */ 1108#define IWL_OWNERSHIP_DRIVER 0 1109#define IWL_OWNERSHIP_TM 1 1110 1111struct iwl_priv { 1112 1113 /*data shared among all the driver's layers */ 1114 struct iwl_shared _shrd; 1115 struct iwl_shared *shrd; 1116 1117 /* ieee device used by generic ieee processing code */ 1118 struct ieee80211_hw *hw; 1119 struct ieee80211_channel *ieee_channels; 1120 struct ieee80211_rate *ieee_rates; 1121 struct iwl_cfg *cfg; 1122 1123 enum ieee80211_band band; 1124 1125 void (*pre_rx_handler)(struct iwl_priv *priv, 1126 struct iwl_rx_mem_buffer *rxb); 1127 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1128 struct iwl_rx_mem_buffer *rxb); 1129 1130 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1131 1132 /* spectrum measurement report caching */ 1133 struct iwl_spectrum_notification measure_report; 1134 u8 measurement_status; 1135 1136 /* ucode beacon time */ 1137 u32 ucode_beacon_time; 1138 int missed_beacon_threshold; 1139 1140 /* track IBSS manager (last beacon) status */ 1141 u32 ibss_manager; 1142 1143 /* jiffies when last recovery from statistics was performed */ 1144 unsigned long rx_statistics_jiffies; 1145 1146 /*counters */ 1147 u32 rx_handlers_stats[REPLY_MAX]; 1148 1149 /* force reset */ 1150 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1151 1152 /* firmware reload counter and timestamp */ 1153 unsigned long reload_jiffies; 1154 int reload_count; 1155 1156 /* we allocate array of iwl_channel_info for NIC's valid channels. 1157 * Access via channel # using indirect index array */ 1158 struct iwl_channel_info *channel_info; /* channel info array */ 1159 u8 channel_count; /* # of channels */ 1160 1161 /* thermal calibration */ 1162 s32 temperature; /* degrees Kelvin */ 1163 s32 last_temperature; 1164 1165 /* init calibration results */ 1166 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1167 1168 /* Scan related variables */ 1169 unsigned long scan_start; 1170 unsigned long scan_start_tsf; 1171 void *scan_cmd; 1172 enum ieee80211_band scan_band; 1173 struct cfg80211_scan_request *scan_request; 1174 struct ieee80211_vif *scan_vif; 1175 enum iwl_scan_type scan_type; 1176 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1177 u8 mgmt_tx_ant; 1178 1179 /* spinlock */ 1180 spinlock_t reg_lock; /* protect hw register access */ 1181 1182 /*TODO: remove these pointers - use bus(priv) instead */ 1183 struct iwl_bus *bus; /* bus specific data */ 1184 1185 /* microcode/device supports multiple contexts */ 1186 u8 valid_contexts; 1187 1188 /* max number of station keys */ 1189 u8 sta_key_max_num; 1190 1191 bool new_scan_threshold_behaviour; 1192 1193 /* EEPROM MAC addresses */ 1194 struct mac_address addresses[2]; 1195 1196 /* uCode images, save to reload in case of failure */ 1197 int fw_index; /* firmware we're trying to load */ 1198 u32 ucode_ver; /* version of ucode, copy of 1199 iwl_ucode.ver */ 1200 1201 /* uCode owner: default: IWL_OWNERSHIP_DRIVER */ 1202 u8 ucode_owner; 1203 1204 struct fw_img ucode_rt; 1205 struct fw_img ucode_init; 1206 struct fw_img ucode_wowlan; 1207 1208 enum iwlagn_ucode_type ucode_type; 1209 u8 ucode_write_complete; /* the image write is complete */ 1210 char firmware_name[25]; 1211 1212 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1213 1214 __le16 switch_channel; 1215 1216 struct { 1217 u32 error_event_table; 1218 u32 log_event_table; 1219 } device_pointers; 1220 1221 u16 active_rate; 1222 1223 u8 start_calib; 1224 struct iwl_sensitivity_data sensitivity_data; 1225 struct iwl_chain_noise_data chain_noise_data; 1226 bool enhance_sensitivity_table; 1227 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1228 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1229 1230 struct iwl_ht_config current_ht_config; 1231 1232 /* Rate scaling data */ 1233 u8 retry_rate; 1234 1235 wait_queue_head_t wait_command_queue; 1236 1237 int activity_timer_active; 1238 1239 /* Tx DMA processing queues */ 1240 struct iwl_tx_queue *txq; 1241 unsigned long txq_ctx_active_msk; 1242 struct iwl_dma_ptr kw; /* keep warm address */ 1243 1244 /* counts mgmt, ctl, and data packets */ 1245 struct traffic_stats tx_stats; 1246 struct traffic_stats rx_stats; 1247 1248 struct iwl_power_mgr power_data; 1249 struct iwl_tt_mgmt thermal_throttle; 1250 1251 /* station table variables */ 1252 int num_stations; 1253 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1254 unsigned long ucode_key_table; 1255 1256 /* queue refcounts */ 1257#define IWL_MAX_HW_QUEUES 32 1258 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1259 /* for each AC */ 1260 atomic_t queue_stop_count[4]; 1261 1262 /* Indication if ieee80211_ops->open has been called */ 1263 u8 is_open; 1264 1265 u8 mac80211_registered; 1266 1267 /* eeprom -- this is in the card's little endian byte order */ 1268 u8 *eeprom; 1269 int nvm_device_type; 1270 struct iwl_eeprom_calib_info *calib_info; 1271 1272 enum nl80211_iftype iw_mode; 1273 1274 /* Last Rx'd beacon timestamp */ 1275 u64 timestamp; 1276 1277 struct { 1278 __le32 flag; 1279 struct statistics_general_common common; 1280 struct statistics_rx_non_phy rx_non_phy; 1281 struct statistics_rx_phy rx_ofdm; 1282 struct statistics_rx_ht_phy rx_ofdm_ht; 1283 struct statistics_rx_phy rx_cck; 1284 struct statistics_tx tx; 1285#ifdef CONFIG_IWLWIFI_DEBUGFS 1286 struct statistics_bt_activity bt_activity; 1287 __le32 num_bt_kills, accum_num_bt_kills; 1288#endif 1289 } statistics; 1290#ifdef CONFIG_IWLWIFI_DEBUGFS 1291 struct { 1292 struct statistics_general_common common; 1293 struct statistics_rx_non_phy rx_non_phy; 1294 struct statistics_rx_phy rx_ofdm; 1295 struct statistics_rx_ht_phy rx_ofdm_ht; 1296 struct statistics_rx_phy rx_cck; 1297 struct statistics_tx tx; 1298 struct statistics_bt_activity bt_activity; 1299 } accum_stats, delta_stats, max_delta_stats; 1300#endif 1301 1302 /* 1303 * reporting the number of tids has AGG on. 0 means 1304 * no AGGREGATION 1305 */ 1306 u8 agg_tids_count; 1307 1308 struct iwl_rx_phy_res last_phy_res; 1309 bool last_phy_res_valid; 1310 1311 struct completion firmware_loading_complete; 1312 1313 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1314 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1315 1316 /* 1317 * chain noise reset and gain commands are the 1318 * two extra calibration commands follows the standard 1319 * phy calibration commands 1320 */ 1321 u8 phy_calib_chain_noise_reset_cmd; 1322 u8 phy_calib_chain_noise_gain_cmd; 1323 1324 /* counts reply_tx error */ 1325 struct reply_tx_error_statistics reply_tx_stats; 1326 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1327 /* notification wait support */ 1328 struct list_head notif_waits; 1329 spinlock_t notif_wait_lock; 1330 wait_queue_head_t notif_waitq; 1331 1332 /* remain-on-channel offload support */ 1333 struct ieee80211_channel *hw_roc_channel; 1334 struct delayed_work hw_roc_disable_work; 1335 enum nl80211_channel_type hw_roc_chantype; 1336 int hw_roc_duration; 1337 bool hw_roc_setup; 1338 1339 /* bt coex */ 1340 u8 bt_enable_flag; 1341 u8 bt_status; 1342 u8 bt_traffic_load, last_bt_traffic_load; 1343 bool bt_ch_announce; 1344 bool bt_full_concurrent; 1345 bool bt_ant_couple_ok; 1346 __le32 kill_ack_mask; 1347 __le32 kill_cts_mask; 1348 __le16 bt_valid; 1349 u16 bt_on_thresh; 1350 u16 bt_duration; 1351 u16 dynamic_frag_thresh; 1352 u8 bt_ci_compliance; 1353 struct work_struct bt_traffic_change_work; 1354 bool bt_enable_pspoll; 1355 struct iwl_rxon_context *cur_rssi_ctx; 1356 bool bt_is_sco; 1357 1358 struct work_struct restart; 1359 struct work_struct scan_completed; 1360 struct work_struct abort_scan; 1361 1362 struct work_struct beacon_update; 1363 struct iwl_rxon_context *beacon_ctx; 1364 struct sk_buff *beacon_skb; 1365 void *beacon_cmd; 1366 1367 struct work_struct tt_work; 1368 struct work_struct ct_enter; 1369 struct work_struct ct_exit; 1370 struct work_struct start_internal_scan; 1371 struct work_struct tx_flush; 1372 struct work_struct bt_full_concurrency; 1373 struct work_struct bt_runtime_config; 1374 1375 struct delayed_work scan_check; 1376 1377 /* TX Power */ 1378 s8 tx_power_user_lmt; 1379 s8 tx_power_device_lmt; 1380 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1381 s8 tx_power_next; 1382 1383#ifdef CONFIG_IWLWIFI_DEBUGFS 1384 /* debugfs */ 1385 u16 tx_traffic_idx; 1386 u16 rx_traffic_idx; 1387 u8 *tx_traffic; 1388 u8 *rx_traffic; 1389 struct dentry *debugfs_dir; 1390 u32 dbgfs_sram_offset, dbgfs_sram_len; 1391 bool disable_ht40; 1392 void *wowlan_sram; 1393#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1394 1395 struct work_struct txpower_work; 1396 u32 disable_sens_cal; 1397 u32 disable_chain_noise_cal; 1398 struct work_struct run_time_calib_work; 1399 struct timer_list statistics_periodic; 1400 struct timer_list ucode_trace; 1401 struct timer_list watchdog; 1402 1403 struct iwl_event_log event_log; 1404 1405 struct led_classdev led; 1406 unsigned long blink_on, blink_off; 1407 bool led_registered; 1408#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1409 struct iwl_testmode_trace testmode_trace; 1410 u32 tm_fixed_rate; 1411#endif 1412 1413 /* WoWLAN GTK rekey data */ 1414 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 1415 __le64 replay_ctr; 1416 __le16 last_seq_ctl; 1417 bool have_rekey_data; 1418}; /*iwl_priv */ 1419 1420static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1421{ 1422 set_bit(txq_id, &priv->txq_ctx_active_msk); 1423} 1424 1425static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1426{ 1427 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1428} 1429 1430extern struct iwl_mod_params iwlagn_mod_params; 1431 1432static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1433 int txq_id, int idx) 1434{ 1435 if (priv->txq[txq_id].txb[idx].skb) 1436 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1437 txb[idx].skb->data; 1438 return NULL; 1439} 1440 1441static inline struct iwl_rxon_context * 1442iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1443{ 1444 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1445 1446 return vif_priv->ctx; 1447} 1448 1449#define for_each_context(priv, ctx) \ 1450 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1451 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1452 if (priv->valid_contexts & BIT(ctx->ctxid)) 1453 1454static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1455{ 1456 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1457} 1458 1459static inline int iwl_is_associated(struct iwl_priv *priv, 1460 enum iwl_rxon_context_id ctxid) 1461{ 1462 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 1463} 1464 1465static inline int iwl_is_any_associated(struct iwl_priv *priv) 1466{ 1467 struct iwl_rxon_context *ctx; 1468 for_each_context(priv, ctx) 1469 if (iwl_is_associated_ctx(ctx)) 1470 return true; 1471 return false; 1472} 1473 1474static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1475{ 1476 if (ch_info == NULL) 1477 return 0; 1478 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1479} 1480 1481static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1482{ 1483 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1484} 1485 1486static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1487{ 1488 return ch_info->band == IEEE80211_BAND_5GHZ; 1489} 1490 1491static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1492{ 1493 return ch_info->band == IEEE80211_BAND_2GHZ; 1494} 1495 1496static inline int is_channel_passive(const struct iwl_channel_info *ch) 1497{ 1498 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1499} 1500 1501static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1502{ 1503 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1504} 1505 1506#endif /* __iwl_dev_h__ */ 1507