iwl-dev.h revision dbf28e21ca391110e90ccad05dda79d2e2f60e0e
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/pci.h> /* for struct pci_device_id */ 35#include <linux/kernel.h> 36#include <linux/wait.h> 37#include <linux/leds.h> 38#include <net/ieee80211_radiotap.h> 39 40#include "iwl-eeprom.h" 41#include "iwl-csr.h" 42#include "iwl-prph.h" 43#include "iwl-fh.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 51#define U32_PAD(n) ((4-(n))&0x3) 52 53struct iwl_tx_queue; 54 55/* CT-KILL constants */ 56#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 57#define CT_KILL_THRESHOLD 114 /* in Celsius */ 58#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 59 60/* Default noise level to report when noise measurement is not available. 61 * This may be because we're: 62 * 1) Not associated (4965, no beacon statistics being sent to driver) 63 * 2) Scanning (noise measurement does not apply to associated channel) 64 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 65 * Use default noise value of -127 ... this is below the range of measurable 66 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 67 * Also, -127 works better than 0 when averaging frames with/without 68 * noise info (e.g. averaging might be done in app); measured dBm values are 69 * always negative ... using a negative value as the default keeps all 70 * averages within an s8's (used in some apps) range of negative values. */ 71#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 72 73/* 74 * RTS threshold here is total size [2347] minus 4 FCS bytes 75 * Per spec: 76 * a value of 0 means RTS on all data/management packets 77 * a value > max MSDU size means no RTS 78 * else RTS for data/management frames where MPDU is larger 79 * than RTS value. 80 */ 81#define DEFAULT_RTS_THRESHOLD 2347U 82#define MIN_RTS_THRESHOLD 0U 83#define MAX_RTS_THRESHOLD 2347U 84#define MAX_MSDU_SIZE 2304U 85#define MAX_MPDU_SIZE 2346U 86#define DEFAULT_BEACON_INTERVAL 100U 87#define DEFAULT_SHORT_RETRY_LIMIT 7U 88#define DEFAULT_LONG_RETRY_LIMIT 4U 89 90struct iwl_rx_mem_buffer { 91 dma_addr_t page_dma; 92 struct page *page; 93 struct list_head list; 94}; 95 96#define rxb_addr(r) page_address(r->page) 97 98/* defined below */ 99struct iwl_device_cmd; 100 101struct iwl_cmd_meta { 102 /* only for SYNC commands, iff the reply skb is wanted */ 103 struct iwl_host_cmd *source; 104 /* 105 * only for ASYNC commands 106 * (which is somewhat stupid -- look at iwl-sta.c for instance 107 * which duplicates a bunch of code because the callback isn't 108 * invoked for SYNC commands, if it were and its result passed 109 * through it would be simpler...) 110 */ 111 void (*callback)(struct iwl_priv *priv, 112 struct iwl_device_cmd *cmd, 113 struct iwl_rx_packet *pkt); 114 115 /* The CMD_SIZE_HUGE flag bit indicates that the command 116 * structure is stored at the end of the shared queue memory. */ 117 u32 flags; 118 119 DEFINE_DMA_UNMAP_ADDR(mapping); 120 DEFINE_DMA_UNMAP_LEN(len); 121}; 122 123/* 124 * Generic queue structure 125 * 126 * Contains common data for Rx and Tx queues 127 */ 128struct iwl_queue { 129 int n_bd; /* number of BDs in this queue */ 130 int write_ptr; /* 1-st empty entry (index) host_w*/ 131 int read_ptr; /* last used entry (index) host_r*/ 132 /* use for monitoring and recovering the stuck queue */ 133 dma_addr_t dma_addr; /* physical addr for BD's */ 134 int n_window; /* safe queue window */ 135 u32 id; 136 int low_mark; /* low watermark, resume queue if free 137 * space more than this */ 138 int high_mark; /* high watermark, stop queue if free 139 * space less than this */ 140}; 141 142/* One for each TFD */ 143struct iwl_tx_info { 144 struct sk_buff *skb; 145 struct iwl_rxon_context *ctx; 146}; 147 148/** 149 * struct iwl_tx_queue - Tx Queue for DMA 150 * @q: generic Rx/Tx queue descriptor 151 * @bd: base of circular buffer of TFDs 152 * @cmd: array of command/TX buffer pointers 153 * @meta: array of meta data for each command/tx buffer 154 * @dma_addr_cmd: physical address of cmd/tx buffer array 155 * @txb: array of per-TFD driver data 156 * @time_stamp: time (in jiffies) of last read_ptr change 157 * @need_update: indicates need to update read/write index 158 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 159 * 160 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 161 * descriptors) and required locking structures. 162 */ 163#define TFD_TX_CMD_SLOTS 256 164#define TFD_CMD_SLOTS 32 165 166struct iwl_tx_queue { 167 struct iwl_queue q; 168 void *tfds; 169 struct iwl_device_cmd **cmd; 170 struct iwl_cmd_meta *meta; 171 struct iwl_tx_info *txb; 172 unsigned long time_stamp; 173 u8 need_update; 174 u8 sched_retry; 175 u8 active; 176 u8 swq_id; 177}; 178 179#define IWL_NUM_SCAN_RATES (2) 180 181/* 182 * One for each channel, holds all channel setup data 183 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 184 * with one another! 185 */ 186struct iwl_channel_info { 187 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 188 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 189 * HT40 channel */ 190 191 u8 channel; /* channel number */ 192 u8 flags; /* flags copied from EEPROM */ 193 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 194 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 195 s8 min_power; /* always 0 */ 196 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 197 198 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 199 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 200 enum ieee80211_band band; 201 202 /* HT40 channel info */ 203 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 204 u8 ht40_flags; /* flags copied from EEPROM */ 205 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 206}; 207 208#define IWL_TX_FIFO_BK 0 /* shared */ 209#define IWL_TX_FIFO_BE 1 210#define IWL_TX_FIFO_VI 2 /* shared */ 211#define IWL_TX_FIFO_VO 3 212#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 213#define IWL_TX_FIFO_BE_IPAN 4 214#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 215#define IWL_TX_FIFO_VO_IPAN 5 216#define IWL_TX_FIFO_UNUSED -1 217 218/* Minimum number of queues. MAX_NUM is defined in hw specific files. 219 * Set the minimum to accommodate the 4 standard TX queues, 1 command 220 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 221#define IWL_MIN_NUM_QUEUES 10 222 223/* 224 * Command queue depends on iPAN support. 225 */ 226#define IWL_DEFAULT_CMD_QUEUE_NUM 4 227#define IWL_IPAN_CMD_QUEUE_NUM 9 228 229/* 230 * This queue number is required for proper operation 231 * because the ucode will stop/start the scheduler as 232 * required. 233 */ 234#define IWL_IPAN_MCAST_QUEUE 8 235 236#define IEEE80211_DATA_LEN 2304 237#define IEEE80211_4ADDR_LEN 30 238#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 239#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 240 241struct iwl_frame { 242 union { 243 struct ieee80211_hdr frame; 244 struct iwl_tx_beacon_cmd beacon; 245 u8 raw[IEEE80211_FRAME_LEN]; 246 u8 cmd[360]; 247 } u; 248 struct list_head list; 249}; 250 251#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 252#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 253#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 254 255enum { 256 CMD_SYNC = 0, 257 CMD_SIZE_NORMAL = 0, 258 CMD_NO_SKB = 0, 259 CMD_SIZE_HUGE = (1 << 0), 260 CMD_ASYNC = (1 << 1), 261 CMD_WANT_SKB = (1 << 2), 262 CMD_MAPPED = (1 << 3), 263}; 264 265#define DEF_CMD_PAYLOAD_SIZE 320 266 267/** 268 * struct iwl_device_cmd 269 * 270 * For allocation of the command and tx queues, this establishes the overall 271 * size of the largest command we send to uCode, except for a scan command 272 * (which is relatively huge; space is allocated separately). 273 */ 274struct iwl_device_cmd { 275 struct iwl_cmd_header hdr; /* uCode API */ 276 union { 277 u32 flags; 278 u8 val8; 279 u16 val16; 280 u32 val32; 281 struct iwl_tx_cmd tx; 282 struct iwl6000_channel_switch_cmd chswitch; 283 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 284 } __packed cmd; 285} __packed; 286 287#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 288 289 290struct iwl_host_cmd { 291 const void *data; 292 unsigned long reply_page; 293 void (*callback)(struct iwl_priv *priv, 294 struct iwl_device_cmd *cmd, 295 struct iwl_rx_packet *pkt); 296 u32 flags; 297 u16 len; 298 u8 id; 299}; 300 301#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 302#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 303#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 304 305/** 306 * struct iwl_rx_queue - Rx queue 307 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 308 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) 309 * @read: Shared index to newest available Rx buffer 310 * @write: Shared index to oldest written Rx packet 311 * @free_count: Number of pre-allocated buffers in rx_free 312 * @rx_free: list of free SKBs for use 313 * @rx_used: List of Rx buffers with no SKB 314 * @need_update: flag to indicate we need to update read/write index 315 * @rb_stts: driver's pointer to receive buffer status 316 * @rb_stts_dma: bus address of receive buffer status 317 * 318 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 319 */ 320struct iwl_rx_queue { 321 __le32 *bd; 322 dma_addr_t bd_dma; 323 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 324 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 325 u32 read; 326 u32 write; 327 u32 free_count; 328 u32 write_actual; 329 struct list_head rx_free; 330 struct list_head rx_used; 331 int need_update; 332 struct iwl_rb_status *rb_stts; 333 dma_addr_t rb_stts_dma; 334 spinlock_t lock; 335}; 336 337#define IWL_SUPPORTED_RATES_IE_LEN 8 338 339#define MAX_TID_COUNT 9 340 341#define IWL_INVALID_RATE 0xFF 342#define IWL_INVALID_VALUE -1 343 344/** 345 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 346 * @txq_id: Tx queue used for Tx attempt 347 * @frame_count: # frames attempted by Tx command 348 * @wait_for_ba: Expect block-ack before next Tx reply 349 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 350 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 351 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 352 * @rate_n_flags: Rate at which Tx was attempted 353 * 354 * If REPLY_TX indicates that aggregation was attempted, driver must wait 355 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 356 * until block ack arrives. 357 */ 358struct iwl_ht_agg { 359 u16 txq_id; 360 u16 frame_count; 361 u16 wait_for_ba; 362 u16 start_idx; 363 u64 bitmap; 364 u32 rate_n_flags; 365#define IWL_AGG_OFF 0 366#define IWL_AGG_ON 1 367#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 368#define IWL_EMPTYING_HW_QUEUE_DELBA 3 369 u8 state; 370 u8 tx_fifo; 371}; 372 373 374struct iwl_tid_data { 375 u16 seq_number; /* agn only */ 376 u16 tfds_in_queue; 377 struct iwl_ht_agg agg; 378}; 379 380struct iwl_hw_key { 381 u32 cipher; 382 int keylen; 383 u8 keyidx; 384 u8 key[32]; 385}; 386 387union iwl_ht_rate_supp { 388 u16 rates; 389 struct { 390 u8 siso_rate; 391 u8 mimo_rate; 392 }; 393}; 394 395#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 396#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 397#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 398#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 399#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 400#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 401#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 402 403/* 404 * Maximal MPDU density for TX aggregation 405 * 4 - 2us density 406 * 5 - 4us density 407 * 6 - 8us density 408 * 7 - 16us density 409 */ 410#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 411#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 412#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 413#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 414#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 415#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 416#define CFG_HT_MPDU_DENSITY_MIN (0x1) 417 418struct iwl_ht_config { 419 bool single_chain_sufficient; 420 enum ieee80211_smps_mode smps; /* current smps mode */ 421}; 422 423/* QoS structures */ 424struct iwl_qos_info { 425 int qos_active; 426 struct iwl_qosparam_cmd def_qos_parm; 427}; 428 429/* 430 * Structure should be accessed with sta_lock held. When station addition 431 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 432 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 433 * held. 434 */ 435struct iwl_station_entry { 436 struct iwl_addsta_cmd sta; 437 struct iwl_tid_data tid[MAX_TID_COUNT]; 438 u8 used, ctxid; 439 struct iwl_hw_key keyinfo; 440 struct iwl_link_quality_cmd *lq; 441}; 442 443struct iwl_station_priv_common { 444 struct iwl_rxon_context *ctx; 445 u8 sta_id; 446}; 447 448/* 449 * iwl_station_priv: Driver's private station information 450 * 451 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 452 * in the structure for use by driver. This structure is places in that 453 * space. 454 */ 455struct iwl_station_priv { 456 struct iwl_station_priv_common common; 457 struct iwl_lq_sta lq_sta; 458 atomic_t pending_frames; 459 bool client; 460 bool asleep; 461 u8 max_agg_bufsize; 462}; 463 464/** 465 * struct iwl_vif_priv - driver's private per-interface information 466 * 467 * When mac80211 allocates a virtual interface, it can allocate 468 * space for us to put data into. 469 */ 470struct iwl_vif_priv { 471 struct iwl_rxon_context *ctx; 472 u8 ibss_bssid_sta_id; 473}; 474 475/* one for each uCode image (inst/data, boot/init/runtime) */ 476struct fw_desc { 477 void *v_addr; /* access by driver */ 478 dma_addr_t p_addr; /* access by card's busmaster DMA */ 479 u32 len; /* bytes */ 480}; 481 482struct fw_img { 483 struct fw_desc code, data; 484}; 485 486/* v1/v2 uCode file layout */ 487struct iwl_ucode_header { 488 __le32 ver; /* major/minor/API/serial */ 489 union { 490 struct { 491 __le32 inst_size; /* bytes of runtime code */ 492 __le32 data_size; /* bytes of runtime data */ 493 __le32 init_size; /* bytes of init code */ 494 __le32 init_data_size; /* bytes of init data */ 495 __le32 boot_size; /* bytes of bootstrap code */ 496 u8 data[0]; /* in same order as sizes */ 497 } v1; 498 struct { 499 __le32 build; /* build number */ 500 __le32 inst_size; /* bytes of runtime code */ 501 __le32 data_size; /* bytes of runtime data */ 502 __le32 init_size; /* bytes of init code */ 503 __le32 init_data_size; /* bytes of init data */ 504 __le32 boot_size; /* bytes of bootstrap code */ 505 u8 data[0]; /* in same order as sizes */ 506 } v2; 507 } u; 508}; 509 510/* 511 * new TLV uCode file layout 512 * 513 * The new TLV file format contains TLVs, that each specify 514 * some piece of data. To facilitate "groups", for example 515 * different instruction image with different capabilities, 516 * bundled with the same init image, an alternative mechanism 517 * is provided: 518 * When the alternative field is 0, that means that the item 519 * is always valid. When it is non-zero, then it is only 520 * valid in conjunction with items of the same alternative, 521 * in which case the driver (user) selects one alternative 522 * to use. 523 */ 524 525enum iwl_ucode_tlv_type { 526 IWL_UCODE_TLV_INVALID = 0, /* unused */ 527 IWL_UCODE_TLV_INST = 1, 528 IWL_UCODE_TLV_DATA = 2, 529 IWL_UCODE_TLV_INIT = 3, 530 IWL_UCODE_TLV_INIT_DATA = 4, 531 IWL_UCODE_TLV_BOOT = 5, 532 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 533 IWL_UCODE_TLV_PAN = 7, 534 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 535 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 536 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 537 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 538 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 539 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 540 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 541 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 542 /* 16 and 17 reserved for future use */ 543 IWL_UCODE_TLV_FLAGS = 18, 544}; 545 546/** 547 * enum iwl_ucode_tlv_flag - ucode API flags 548 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 549 * was a separate TLV but moved here to save space. 550 * @IWL_UCODE_TLV_FLAGS_RESERVED_1: reserved 551 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 552 */ 553enum iwl_ucode_tlv_flag { 554 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 555 IWL_UCODE_TLV_FLAGS_RESERVED_1 = BIT(1), 556 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 557}; 558 559struct iwl_ucode_tlv { 560 __le16 type; /* see above */ 561 __le16 alternative; /* see comment */ 562 __le32 length; /* not including type/length fields */ 563 u8 data[0]; 564} __packed; 565 566#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 567 568struct iwl_tlv_ucode_header { 569 /* 570 * The TLV style ucode header is distinguished from 571 * the v1/v2 style header by first four bytes being 572 * zero, as such is an invalid combination of 573 * major/minor/API/serial versions. 574 */ 575 __le32 zero; 576 __le32 magic; 577 u8 human_readable[64]; 578 __le32 ver; /* major/minor/API/serial */ 579 __le32 build; 580 __le64 alternatives; /* bitmask of valid alternatives */ 581 /* 582 * The data contained herein has a TLV layout, 583 * see above for the TLV header and types. 584 * Note that each TLV is padded to a length 585 * that is a multiple of 4 for alignment. 586 */ 587 u8 data[0]; 588}; 589 590struct iwl_sensitivity_ranges { 591 u16 min_nrg_cck; 592 u16 max_nrg_cck; 593 594 u16 nrg_th_cck; 595 u16 nrg_th_ofdm; 596 597 u16 auto_corr_min_ofdm; 598 u16 auto_corr_min_ofdm_mrc; 599 u16 auto_corr_min_ofdm_x1; 600 u16 auto_corr_min_ofdm_mrc_x1; 601 602 u16 auto_corr_max_ofdm; 603 u16 auto_corr_max_ofdm_mrc; 604 u16 auto_corr_max_ofdm_x1; 605 u16 auto_corr_max_ofdm_mrc_x1; 606 607 u16 auto_corr_max_cck; 608 u16 auto_corr_max_cck_mrc; 609 u16 auto_corr_min_cck; 610 u16 auto_corr_min_cck_mrc; 611 612 u16 barker_corr_th_min; 613 u16 barker_corr_th_min_mrc; 614 u16 nrg_th_cca; 615}; 616 617 618#define KELVIN_TO_CELSIUS(x) ((x)-273) 619#define CELSIUS_TO_KELVIN(x) ((x)+273) 620 621 622/** 623 * struct iwl_hw_params 624 * @max_txq_num: Max # Tx queues supported 625 * @dma_chnl_num: Number of Tx DMA/FIFO channels 626 * @scd_bc_tbls_size: size of scheduler byte count tables 627 * @tfd_size: TFD size 628 * @tx/rx_chains_num: Number of TX/RX chains 629 * @valid_tx/rx_ant: usable antennas 630 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 631 * @max_rxq_log: Log-base-2 of max_rxq_size 632 * @rx_page_order: Rx buffer page order 633 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 634 * @max_stations: 635 * @ht40_channel: is 40MHz width possible in band 2.4 636 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 637 * @sw_crypto: 0 for hw, 1 for sw 638 * @max_xxx_size: for ucode uses 639 * @ct_kill_threshold: temperature threshold 640 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time 641 * @calib_init_cfg: setup initial calibrations for the hw 642 * @calib_rt_cfg: setup runtime calibrations for the hw 643 * @struct iwl_sensitivity_ranges: range of sensitivity values 644 */ 645struct iwl_hw_params { 646 u8 max_txq_num; 647 u8 dma_chnl_num; 648 u16 scd_bc_tbls_size; 649 u32 tfd_size; 650 u8 tx_chains_num; 651 u8 rx_chains_num; 652 u8 valid_tx_ant; 653 u8 valid_rx_ant; 654 u16 max_rxq_size; 655 u16 max_rxq_log; 656 u32 rx_page_order; 657 u32 rx_wrt_ptr_reg; 658 u8 max_stations; 659 u8 ht40_channel; 660 u8 max_beacon_itrvl; /* in 1024 ms */ 661 u32 max_inst_size; 662 u32 max_data_size; 663 u32 ct_kill_threshold; /* value in hw-dependent units */ 664 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 665 /* for 1000, 6000 series and up */ 666 u16 beacon_time_tsf_bits; 667 u32 calib_init_cfg; 668 u32 calib_rt_cfg; 669 const struct iwl_sensitivity_ranges *sens; 670}; 671 672 673/****************************************************************************** 674 * 675 * Functions implemented in core module which are forward declared here 676 * for use by iwl-[4-5].c 677 * 678 * NOTE: The implementation of these functions are not hardware specific 679 * which is why they are in the core module files. 680 * 681 * Naming convention -- 682 * iwl_ <-- Is part of iwlwifi 683 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 684 * 685 ****************************************************************************/ 686extern void iwl_update_chain_flags(struct iwl_priv *priv); 687extern const u8 iwl_bcast_addr[ETH_ALEN]; 688extern int iwl_rxq_stop(struct iwl_priv *priv); 689extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 690extern int iwl_queue_space(const struct iwl_queue *q); 691static inline int iwl_queue_used(const struct iwl_queue *q, int i) 692{ 693 return q->write_ptr >= q->read_ptr ? 694 (i >= q->read_ptr && i < q->write_ptr) : 695 !(i < q->read_ptr && i >= q->write_ptr); 696} 697 698 699static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 700{ 701 /* 702 * This is for init calibration result and scan command which 703 * required buffer > TFD_MAX_PAYLOAD_SIZE, 704 * the big buffer at end of command array 705 */ 706 if (is_huge) 707 return q->n_window; /* must be power of 2 */ 708 709 /* Otherwise, use normal size buffers */ 710 return index & (q->n_window - 1); 711} 712 713 714struct iwl_dma_ptr { 715 dma_addr_t dma; 716 void *addr; 717 size_t size; 718}; 719 720#define IWL_OPERATION_MODE_AUTO 0 721#define IWL_OPERATION_MODE_HT_ONLY 1 722#define IWL_OPERATION_MODE_MIXED 2 723#define IWL_OPERATION_MODE_20MHZ 3 724 725#define IWL_TX_CRC_SIZE 4 726#define IWL_TX_DELIMITER_SIZE 4 727 728#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 729 730/* Sensitivity and chain noise calibration */ 731#define INITIALIZATION_VALUE 0xFFFF 732#define IWL_CAL_NUM_BEACONS 16 733#define MAXIMUM_ALLOWED_PATHLOSS 15 734 735#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 736 737#define MAX_FA_OFDM 50 738#define MIN_FA_OFDM 5 739#define MAX_FA_CCK 50 740#define MIN_FA_CCK 5 741 742#define AUTO_CORR_STEP_OFDM 1 743 744#define AUTO_CORR_STEP_CCK 3 745#define AUTO_CORR_MAX_TH_CCK 160 746 747#define NRG_DIFF 2 748#define NRG_STEP_CCK 2 749#define NRG_MARGIN 8 750#define MAX_NUMBER_CCK_NO_FA 100 751 752#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 753 754#define CHAIN_A 0 755#define CHAIN_B 1 756#define CHAIN_C 2 757#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 758#define ALL_BAND_FILTER 0xFF00 759#define IN_BAND_FILTER 0xFF 760#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 761 762#define NRG_NUM_PREV_STAT_L 20 763#define NUM_RX_CHAINS 3 764 765enum iwlagn_false_alarm_state { 766 IWL_FA_TOO_MANY = 0, 767 IWL_FA_TOO_FEW = 1, 768 IWL_FA_GOOD_RANGE = 2, 769}; 770 771enum iwlagn_chain_noise_state { 772 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 773 IWL_CHAIN_NOISE_ACCUMULATE, 774 IWL_CHAIN_NOISE_CALIBRATED, 775 IWL_CHAIN_NOISE_DONE, 776}; 777 778 779/* 780 * enum iwl_calib 781 * defines the order in which results of initial calibrations 782 * should be sent to the runtime uCode 783 */ 784enum iwl_calib { 785 IWL_CALIB_XTAL, 786 IWL_CALIB_DC, 787 IWL_CALIB_LO, 788 IWL_CALIB_TX_IQ, 789 IWL_CALIB_TX_IQ_PERD, 790 IWL_CALIB_BASE_BAND, 791 IWL_CALIB_TEMP_OFFSET, 792 IWL_CALIB_MAX 793}; 794 795/* Opaque calibration results */ 796struct iwl_calib_result { 797 void *buf; 798 size_t buf_len; 799}; 800 801/* Sensitivity calib data */ 802struct iwl_sensitivity_data { 803 u32 auto_corr_ofdm; 804 u32 auto_corr_ofdm_mrc; 805 u32 auto_corr_ofdm_x1; 806 u32 auto_corr_ofdm_mrc_x1; 807 u32 auto_corr_cck; 808 u32 auto_corr_cck_mrc; 809 810 u32 last_bad_plcp_cnt_ofdm; 811 u32 last_fa_cnt_ofdm; 812 u32 last_bad_plcp_cnt_cck; 813 u32 last_fa_cnt_cck; 814 815 u32 nrg_curr_state; 816 u32 nrg_prev_state; 817 u32 nrg_value[10]; 818 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 819 u32 nrg_silence_ref; 820 u32 nrg_energy_idx; 821 u32 nrg_silence_idx; 822 u32 nrg_th_cck; 823 s32 nrg_auto_corr_silence_diff; 824 u32 num_in_cck_no_fa; 825 u32 nrg_th_ofdm; 826 827 u16 barker_corr_th_min; 828 u16 barker_corr_th_min_mrc; 829 u16 nrg_th_cca; 830}; 831 832/* Chain noise (differential Rx gain) calib data */ 833struct iwl_chain_noise_data { 834 u32 active_chains; 835 u32 chain_noise_a; 836 u32 chain_noise_b; 837 u32 chain_noise_c; 838 u32 chain_signal_a; 839 u32 chain_signal_b; 840 u32 chain_signal_c; 841 u16 beacon_count; 842 u8 disconn_array[NUM_RX_CHAINS]; 843 u8 delta_gain_code[NUM_RX_CHAINS]; 844 u8 radio_write; 845 u8 state; 846}; 847 848#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 849#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 850 851#define IWL_TRAFFIC_ENTRIES (256) 852#define IWL_TRAFFIC_ENTRY_SIZE (64) 853 854enum { 855 MEASUREMENT_READY = (1 << 0), 856 MEASUREMENT_ACTIVE = (1 << 1), 857}; 858 859enum iwl_nvm_type { 860 NVM_DEVICE_TYPE_EEPROM = 0, 861 NVM_DEVICE_TYPE_OTP, 862}; 863 864/* 865 * Two types of OTP memory access modes 866 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 867 * based on physical memory addressing 868 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 869 * based on logical memory addressing 870 */ 871enum iwl_access_mode { 872 IWL_OTP_ACCESS_ABSOLUTE, 873 IWL_OTP_ACCESS_RELATIVE, 874}; 875 876/** 877 * enum iwl_pa_type - Power Amplifier type 878 * @IWL_PA_SYSTEM: based on uCode configuration 879 * @IWL_PA_INTERNAL: use Internal only 880 */ 881enum iwl_pa_type { 882 IWL_PA_SYSTEM = 0, 883 IWL_PA_INTERNAL = 1, 884}; 885 886/* interrupt statistics */ 887struct isr_statistics { 888 u32 hw; 889 u32 sw; 890 u32 err_code; 891 u32 sch; 892 u32 alive; 893 u32 rfkill; 894 u32 ctkill; 895 u32 wakeup; 896 u32 rx; 897 u32 rx_handlers[REPLY_MAX]; 898 u32 tx; 899 u32 unhandled; 900}; 901 902/* reply_tx_statistics (for _agn devices) */ 903struct reply_tx_error_statistics { 904 u32 pp_delay; 905 u32 pp_few_bytes; 906 u32 pp_bt_prio; 907 u32 pp_quiet_period; 908 u32 pp_calc_ttak; 909 u32 int_crossed_retry; 910 u32 short_limit; 911 u32 long_limit; 912 u32 fifo_underrun; 913 u32 drain_flow; 914 u32 rfkill_flush; 915 u32 life_expire; 916 u32 dest_ps; 917 u32 host_abort; 918 u32 bt_retry; 919 u32 sta_invalid; 920 u32 frag_drop; 921 u32 tid_disable; 922 u32 fifo_flush; 923 u32 insuff_cf_poll; 924 u32 fail_hw_drop; 925 u32 sta_color_mismatch; 926 u32 unknown; 927}; 928 929/* reply_agg_tx_statistics (for _agn devices) */ 930struct reply_agg_tx_error_statistics { 931 u32 underrun; 932 u32 bt_prio; 933 u32 few_bytes; 934 u32 abort; 935 u32 last_sent_ttl; 936 u32 last_sent_try; 937 u32 last_sent_bt_kill; 938 u32 scd_query; 939 u32 bad_crc32; 940 u32 response; 941 u32 dump_tx; 942 u32 delay_tx; 943 u32 unknown; 944}; 945 946/* management statistics */ 947enum iwl_mgmt_stats { 948 MANAGEMENT_ASSOC_REQ = 0, 949 MANAGEMENT_ASSOC_RESP, 950 MANAGEMENT_REASSOC_REQ, 951 MANAGEMENT_REASSOC_RESP, 952 MANAGEMENT_PROBE_REQ, 953 MANAGEMENT_PROBE_RESP, 954 MANAGEMENT_BEACON, 955 MANAGEMENT_ATIM, 956 MANAGEMENT_DISASSOC, 957 MANAGEMENT_AUTH, 958 MANAGEMENT_DEAUTH, 959 MANAGEMENT_ACTION, 960 MANAGEMENT_MAX, 961}; 962/* control statistics */ 963enum iwl_ctrl_stats { 964 CONTROL_BACK_REQ = 0, 965 CONTROL_BACK, 966 CONTROL_PSPOLL, 967 CONTROL_RTS, 968 CONTROL_CTS, 969 CONTROL_ACK, 970 CONTROL_CFEND, 971 CONTROL_CFENDACK, 972 CONTROL_MAX, 973}; 974 975struct traffic_stats { 976#ifdef CONFIG_IWLWIFI_DEBUGFS 977 u32 mgmt[MANAGEMENT_MAX]; 978 u32 ctrl[CONTROL_MAX]; 979 u32 data_cnt; 980 u64 data_bytes; 981#endif 982}; 983 984/* 985 * iwl_switch_rxon: "channel switch" structure 986 * 987 * @ switch_in_progress: channel switch in progress 988 * @ channel: new channel 989 */ 990struct iwl_switch_rxon { 991 bool switch_in_progress; 992 __le16 channel; 993}; 994 995/* 996 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 997 * to perform continuous uCode event logging operation if enabled 998 */ 999#define UCODE_TRACE_PERIOD (100) 1000 1001/* 1002 * iwl_event_log: current uCode event log position 1003 * 1004 * @ucode_trace: enable/disable ucode continuous trace timer 1005 * @num_wraps: how many times the event buffer wraps 1006 * @next_entry: the entry just before the next one that uCode would fill 1007 * @non_wraps_count: counter for no wrap detected when dump ucode events 1008 * @wraps_once_count: counter for wrap once detected when dump ucode events 1009 * @wraps_more_count: counter for wrap more than once detected 1010 * when dump ucode events 1011 */ 1012struct iwl_event_log { 1013 bool ucode_trace; 1014 u32 num_wraps; 1015 u32 next_entry; 1016 int non_wraps_count; 1017 int wraps_once_count; 1018 int wraps_more_count; 1019}; 1020 1021/* 1022 * host interrupt timeout value 1023 * used with setting interrupt coalescing timer 1024 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1025 * 1026 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1027 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1028 */ 1029#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 1030#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 1031#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 1032#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1033#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1034#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1035 1036/* 1037 * This is the threshold value of plcp error rate per 100mSecs. It is 1038 * used to set and check for the validity of plcp_delta. 1039 */ 1040#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 1041#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 1042#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 1043#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1044#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1045#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 1046 1047#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 1048#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1049 1050/* TX queue watchdog timeouts in mSecs */ 1051#define IWL_DEF_WD_TIMEOUT (2000) 1052#define IWL_LONG_WD_TIMEOUT (10000) 1053#define IWL_MAX_WD_TIMEOUT (120000) 1054 1055/* BT Antenna Coupling Threshold (dB) */ 1056#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 1057 1058/* Firmware reload counter and Timestamp */ 1059#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 1060#define IWL_MAX_CONTINUE_RELOAD_CNT 4 1061 1062 1063enum iwl_reset { 1064 IWL_RF_RESET = 0, 1065 IWL_FW_RESET, 1066 IWL_MAX_FORCE_RESET, 1067}; 1068 1069struct iwl_force_reset { 1070 int reset_request_count; 1071 int reset_success_count; 1072 int reset_reject_count; 1073 unsigned long reset_duration; 1074 unsigned long last_force_reset_jiffies; 1075}; 1076 1077/* extend beacon time format bit shifting */ 1078/* 1079 * for _agn devices 1080 * bits 31:22 - extended 1081 * bits 21:0 - interval 1082 */ 1083#define IWLAGN_EXT_BEACON_TIME_POS 22 1084 1085/** 1086 * struct iwl_notification_wait - notification wait entry 1087 * @list: list head for global list 1088 * @fn: function called with the notification 1089 * @cmd: command ID 1090 * 1091 * This structure is not used directly, to wait for a 1092 * notification declare it on the stack, and call 1093 * iwlagn_init_notification_wait() with appropriate 1094 * parameters. Then do whatever will cause the ucode 1095 * to notify the driver, and to wait for that then 1096 * call iwlagn_wait_notification(). 1097 * 1098 * Each notification is one-shot. If at some point we 1099 * need to support multi-shot notifications (which 1100 * can't be allocated on the stack) we need to modify 1101 * the code for them. 1102 */ 1103struct iwl_notification_wait { 1104 struct list_head list; 1105 1106 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 1107 void *data); 1108 void *fn_data; 1109 1110 u8 cmd; 1111 bool triggered, aborted; 1112}; 1113 1114enum iwl_rxon_context_id { 1115 IWL_RXON_CTX_BSS, 1116 IWL_RXON_CTX_PAN, 1117 1118 NUM_IWL_RXON_CTX 1119}; 1120 1121struct iwl_rxon_context { 1122 struct ieee80211_vif *vif; 1123 1124 const u8 *ac_to_fifo; 1125 const u8 *ac_to_queue; 1126 u8 mcast_queue; 1127 1128 /* 1129 * We could use the vif to indicate active, but we 1130 * also need it to be active during disabling when 1131 * we already removed the vif for type setting. 1132 */ 1133 bool always_active, is_active; 1134 1135 bool ht_need_multiple_chains; 1136 1137 enum iwl_rxon_context_id ctxid; 1138 1139 u32 interface_modes, exclusive_interface_modes; 1140 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 1141 1142 /* 1143 * We declare this const so it can only be 1144 * changed via explicit cast within the 1145 * routines that actually update the physical 1146 * hardware. 1147 */ 1148 const struct iwl_rxon_cmd active; 1149 struct iwl_rxon_cmd staging; 1150 1151 struct iwl_rxon_time_cmd timing; 1152 1153 struct iwl_qos_info qos_data; 1154 1155 u8 bcast_sta_id, ap_sta_id; 1156 1157 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1158 u8 qos_cmd; 1159 u8 wep_key_cmd; 1160 1161 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1162 u8 key_mapping_keys; 1163 1164 __le32 station_flags; 1165 1166 struct { 1167 bool non_gf_sta_present; 1168 u8 protection; 1169 bool enabled, is_40mhz; 1170 u8 extension_chan_offset; 1171 } ht; 1172 1173 bool last_tx_rejected; 1174}; 1175 1176enum iwl_scan_type { 1177 IWL_SCAN_NORMAL, 1178 IWL_SCAN_RADIO_RESET, 1179 IWL_SCAN_OFFCH_TX, 1180}; 1181 1182struct iwl_priv { 1183 1184 /* ieee device used by generic ieee processing code */ 1185 struct ieee80211_hw *hw; 1186 struct ieee80211_channel *ieee_channels; 1187 struct ieee80211_rate *ieee_rates; 1188 struct iwl_cfg *cfg; 1189 1190 /* temporary frame storage list */ 1191 struct list_head free_frames; 1192 int frames_count; 1193 1194 enum ieee80211_band band; 1195 1196 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1197 struct iwl_rx_mem_buffer *rxb); 1198 1199 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1200 1201 /* spectrum measurement report caching */ 1202 struct iwl_spectrum_notification measure_report; 1203 u8 measurement_status; 1204 1205 /* ucode beacon time */ 1206 u32 ucode_beacon_time; 1207 int missed_beacon_threshold; 1208 1209 /* track IBSS manager (last beacon) status */ 1210 u32 ibss_manager; 1211 1212 /* jiffies when last recovery from statistics was performed */ 1213 unsigned long rx_statistics_jiffies; 1214 1215 /* force reset */ 1216 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1217 1218 /* firmware reload counter and timestamp */ 1219 unsigned long reload_jiffies; 1220 int reload_count; 1221 1222 /* we allocate array of iwl_channel_info for NIC's valid channels. 1223 * Access via channel # using indirect index array */ 1224 struct iwl_channel_info *channel_info; /* channel info array */ 1225 u8 channel_count; /* # of channels */ 1226 1227 /* thermal calibration */ 1228 s32 temperature; /* degrees Kelvin */ 1229 s32 last_temperature; 1230 1231 /* init calibration results */ 1232 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1233 1234 /* Scan related variables */ 1235 unsigned long scan_start; 1236 unsigned long scan_start_tsf; 1237 void *scan_cmd; 1238 enum ieee80211_band scan_band; 1239 struct cfg80211_scan_request *scan_request; 1240 struct ieee80211_vif *scan_vif; 1241 enum iwl_scan_type scan_type; 1242 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1243 u8 mgmt_tx_ant; 1244 1245 /* spinlock */ 1246 spinlock_t lock; /* protect general shared data */ 1247 spinlock_t hcmd_lock; /* protect hcmd */ 1248 spinlock_t reg_lock; /* protect hw register access */ 1249 struct mutex mutex; 1250 1251 /* basic pci-network driver stuff */ 1252 struct pci_dev *pci_dev; 1253 1254 /* pci hardware address support */ 1255 void __iomem *hw_base; 1256 1257 /* microcode/device supports multiple contexts */ 1258 u8 valid_contexts; 1259 1260 /* command queue number */ 1261 u8 cmd_queue; 1262 1263 /* max number of station keys */ 1264 u8 sta_key_max_num; 1265 1266 /* EEPROM MAC addresses */ 1267 struct mac_address addresses[2]; 1268 1269 /* uCode images, save to reload in case of failure */ 1270 int fw_index; /* firmware we're trying to load */ 1271 u32 ucode_ver; /* version of ucode, copy of 1272 iwl_ucode.ver */ 1273 struct fw_img ucode_rt; 1274 struct fw_img ucode_init; 1275 1276 enum iwlagn_ucode_subtype ucode_type; 1277 u8 ucode_write_complete; /* the image write is complete */ 1278 char firmware_name[25]; 1279 1280 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1281 1282 struct iwl_switch_rxon switch_rxon; 1283 1284 struct { 1285 u32 error_event_table; 1286 u32 log_event_table; 1287 } device_pointers; 1288 1289 u16 active_rate; 1290 1291 u8 start_calib; 1292 struct iwl_sensitivity_data sensitivity_data; 1293 struct iwl_chain_noise_data chain_noise_data; 1294 bool enhance_sensitivity_table; 1295 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1296 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1297 1298 struct iwl_ht_config current_ht_config; 1299 1300 /* Rate scaling data */ 1301 u8 retry_rate; 1302 1303 wait_queue_head_t wait_command_queue; 1304 1305 int activity_timer_active; 1306 1307 /* Rx and Tx DMA processing queues */ 1308 struct iwl_rx_queue rxq; 1309 struct iwl_tx_queue *txq; 1310 unsigned long txq_ctx_active_msk; 1311 struct iwl_dma_ptr kw; /* keep warm address */ 1312 struct iwl_dma_ptr scd_bc_tbls; 1313 1314 u32 scd_base_addr; /* scheduler sram base address */ 1315 1316 unsigned long status; 1317 1318 /* counts mgmt, ctl, and data packets */ 1319 struct traffic_stats tx_stats; 1320 struct traffic_stats rx_stats; 1321 1322 /* counts interrupts */ 1323 struct isr_statistics isr_stats; 1324 1325 struct iwl_power_mgr power_data; 1326 struct iwl_tt_mgmt thermal_throttle; 1327 1328 /* station table variables */ 1329 1330 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1331 spinlock_t sta_lock; 1332 int num_stations; 1333 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1334 unsigned long ucode_key_table; 1335 1336 /* queue refcounts */ 1337#define IWL_MAX_HW_QUEUES 32 1338 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1339 /* for each AC */ 1340 atomic_t queue_stop_count[4]; 1341 1342 /* Indication if ieee80211_ops->open has been called */ 1343 u8 is_open; 1344 1345 u8 mac80211_registered; 1346 1347 /* eeprom -- this is in the card's little endian byte order */ 1348 u8 *eeprom; 1349 int nvm_device_type; 1350 struct iwl_eeprom_calib_info *calib_info; 1351 1352 enum nl80211_iftype iw_mode; 1353 1354 /* Last Rx'd beacon timestamp */ 1355 u64 timestamp; 1356 1357 struct { 1358 __le32 flag; 1359 struct statistics_general_common common; 1360 struct statistics_rx_non_phy rx_non_phy; 1361 struct statistics_rx_phy rx_ofdm; 1362 struct statistics_rx_ht_phy rx_ofdm_ht; 1363 struct statistics_rx_phy rx_cck; 1364 struct statistics_tx tx; 1365#ifdef CONFIG_IWLWIFI_DEBUGFS 1366 struct statistics_bt_activity bt_activity; 1367 __le32 num_bt_kills, accum_num_bt_kills; 1368#endif 1369 } statistics; 1370#ifdef CONFIG_IWLWIFI_DEBUGFS 1371 struct { 1372 struct statistics_general_common common; 1373 struct statistics_rx_non_phy rx_non_phy; 1374 struct statistics_rx_phy rx_ofdm; 1375 struct statistics_rx_ht_phy rx_ofdm_ht; 1376 struct statistics_rx_phy rx_cck; 1377 struct statistics_tx tx; 1378 struct statistics_bt_activity bt_activity; 1379 } accum_stats, delta_stats, max_delta_stats; 1380#endif 1381 1382 struct { 1383 /* INT ICT Table */ 1384 __le32 *ict_tbl; 1385 void *ict_tbl_vir; 1386 dma_addr_t ict_tbl_dma; 1387 dma_addr_t aligned_ict_tbl_dma; 1388 int ict_index; 1389 u32 inta; 1390 bool use_ict; 1391 /* 1392 * reporting the number of tids has AGG on. 0 means 1393 * no AGGREGATION 1394 */ 1395 u8 agg_tids_count; 1396 1397 struct iwl_rx_phy_res last_phy_res; 1398 bool last_phy_res_valid; 1399 1400 struct completion firmware_loading_complete; 1401 1402 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1403 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1404 1405 /* 1406 * chain noise reset and gain commands are the 1407 * two extra calibration commands follows the standard 1408 * phy calibration commands 1409 */ 1410 u8 phy_calib_chain_noise_reset_cmd; 1411 u8 phy_calib_chain_noise_gain_cmd; 1412 1413 /* counts reply_tx error */ 1414 struct reply_tx_error_statistics reply_tx_stats; 1415 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1416 /* notification wait support */ 1417 struct list_head notif_waits; 1418 spinlock_t notif_wait_lock; 1419 wait_queue_head_t notif_waitq; 1420 1421 /* remain-on-channel offload support */ 1422 struct ieee80211_channel *hw_roc_channel; 1423 struct delayed_work hw_roc_work; 1424 enum nl80211_channel_type hw_roc_chantype; 1425 int hw_roc_duration; 1426 bool hw_roc_setup; 1427 1428 struct sk_buff *offchan_tx_skb; 1429 int offchan_tx_timeout; 1430 struct ieee80211_channel *offchan_tx_chan; 1431 } _agn; 1432 1433 /* bt coex */ 1434 u8 bt_enable_flag; 1435 u8 bt_status; 1436 u8 bt_traffic_load, last_bt_traffic_load; 1437 bool bt_ch_announce; 1438 bool bt_full_concurrent; 1439 bool bt_ant_couple_ok; 1440 __le32 kill_ack_mask; 1441 __le32 kill_cts_mask; 1442 __le16 bt_valid; 1443 u16 bt_on_thresh; 1444 u16 bt_duration; 1445 u16 dynamic_frag_thresh; 1446 u8 bt_ci_compliance; 1447 struct work_struct bt_traffic_change_work; 1448 1449 struct iwl_hw_params hw_params; 1450 1451 u32 inta_mask; 1452 1453 struct workqueue_struct *workqueue; 1454 1455 struct work_struct restart; 1456 struct work_struct scan_completed; 1457 struct work_struct rx_replenish; 1458 struct work_struct abort_scan; 1459 1460 struct work_struct beacon_update; 1461 struct iwl_rxon_context *beacon_ctx; 1462 struct sk_buff *beacon_skb; 1463 1464 struct work_struct tt_work; 1465 struct work_struct ct_enter; 1466 struct work_struct ct_exit; 1467 struct work_struct start_internal_scan; 1468 struct work_struct tx_flush; 1469 struct work_struct bt_full_concurrency; 1470 struct work_struct bt_runtime_config; 1471 1472 struct tasklet_struct irq_tasklet; 1473 1474 struct delayed_work scan_check; 1475 1476 /* TX Power */ 1477 s8 tx_power_user_lmt; 1478 s8 tx_power_device_lmt; 1479 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1480 s8 tx_power_next; 1481 1482 1483#ifdef CONFIG_IWLWIFI_DEBUG 1484 /* debugging info */ 1485 u32 debug_level; /* per device debugging will override global 1486 iwl_debug_level if set */ 1487#endif /* CONFIG_IWLWIFI_DEBUG */ 1488#ifdef CONFIG_IWLWIFI_DEBUGFS 1489 /* debugfs */ 1490 u16 tx_traffic_idx; 1491 u16 rx_traffic_idx; 1492 u8 *tx_traffic; 1493 u8 *rx_traffic; 1494 struct dentry *debugfs_dir; 1495 u32 dbgfs_sram_offset, dbgfs_sram_len; 1496 bool disable_ht40; 1497#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1498 1499 struct work_struct txpower_work; 1500 u32 disable_sens_cal; 1501 u32 disable_chain_noise_cal; 1502 struct work_struct run_time_calib_work; 1503 struct timer_list statistics_periodic; 1504 struct timer_list ucode_trace; 1505 struct timer_list watchdog; 1506 bool hw_ready; 1507 1508 struct iwl_event_log event_log; 1509 1510 struct led_classdev led; 1511 unsigned long blink_on, blink_off; 1512 bool led_registered; 1513}; /*iwl_priv */ 1514 1515static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1516{ 1517 set_bit(txq_id, &priv->txq_ctx_active_msk); 1518} 1519 1520static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1521{ 1522 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1523} 1524 1525#ifdef CONFIG_IWLWIFI_DEBUG 1526/* 1527 * iwl_get_debug_level: Return active debug level for device 1528 * 1529 * Using sysfs it is possible to set per device debug level. This debug 1530 * level will be used if set, otherwise the global debug level which can be 1531 * set via module parameter is used. 1532 */ 1533static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1534{ 1535 if (priv->debug_level) 1536 return priv->debug_level; 1537 else 1538 return iwl_debug_level; 1539} 1540#else 1541static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1542{ 1543 return iwl_debug_level; 1544} 1545#endif 1546 1547 1548static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1549 int txq_id, int idx) 1550{ 1551 if (priv->txq[txq_id].txb[idx].skb) 1552 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1553 txb[idx].skb->data; 1554 return NULL; 1555} 1556 1557static inline struct iwl_rxon_context * 1558iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1559{ 1560 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1561 1562 return vif_priv->ctx; 1563} 1564 1565#define for_each_context(priv, ctx) \ 1566 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1567 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1568 if (priv->valid_contexts & BIT(ctx->ctxid)) 1569 1570static inline int iwl_is_associated(struct iwl_priv *priv, 1571 enum iwl_rxon_context_id ctxid) 1572{ 1573 return (priv->contexts[ctxid].active.filter_flags & 1574 RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1575} 1576 1577static inline int iwl_is_any_associated(struct iwl_priv *priv) 1578{ 1579 return iwl_is_associated(priv, IWL_RXON_CTX_BSS); 1580} 1581 1582static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1583{ 1584 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1585} 1586 1587static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1588{ 1589 if (ch_info == NULL) 1590 return 0; 1591 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1592} 1593 1594static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1595{ 1596 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1597} 1598 1599static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1600{ 1601 return ch_info->band == IEEE80211_BAND_5GHZ; 1602} 1603 1604static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1605{ 1606 return ch_info->band == IEEE80211_BAND_2GHZ; 1607} 1608 1609static inline int is_channel_passive(const struct iwl_channel_info *ch) 1610{ 1611 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1612} 1613 1614static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1615{ 1616 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1617} 1618 1619static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1620{ 1621 __free_pages(page, priv->hw_params.rx_page_order); 1622} 1623 1624static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1625{ 1626 free_pages(page, priv->hw_params.rx_page_order); 1627} 1628#endif /* __iwl_dev_h__ */ 1629