iwl-dev.h revision c6fa17ed3fadaf056173c409c0877df428a152ec
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2010 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 * Please use iwl-4965-hw.h for hardware-related definitions. 30 */ 31 32#ifndef __iwl_dev_h__ 33#define __iwl_dev_h__ 34 35#include <linux/pci.h> /* for struct pci_device_id */ 36#include <linux/kernel.h> 37#include <net/ieee80211_radiotap.h> 38 39#include "iwl-eeprom.h" 40#include "iwl-csr.h" 41#include "iwl-prph.h" 42#include "iwl-fh.h" 43#include "iwl-debug.h" 44#include "iwl-4965-hw.h" 45#include "iwl-3945-hw.h" 46#include "iwl-agn-hw.h" 47#include "iwl-led.h" 48#include "iwl-power.h" 49#include "iwl-agn-rs.h" 50 51struct iwl_tx_queue; 52 53/* CT-KILL constants */ 54#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 55#define CT_KILL_THRESHOLD 114 /* in Celsius */ 56#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 57 58/* Default noise level to report when noise measurement is not available. 59 * This may be because we're: 60 * 1) Not associated (4965, no beacon statistics being sent to driver) 61 * 2) Scanning (noise measurement does not apply to associated channel) 62 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 63 * Use default noise value of -127 ... this is below the range of measurable 64 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 65 * Also, -127 works better than 0 when averaging frames with/without 66 * noise info (e.g. averaging might be done in app); measured dBm values are 67 * always negative ... using a negative value as the default keeps all 68 * averages within an s8's (used in some apps) range of negative values. */ 69#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 70 71/* 72 * RTS threshold here is total size [2347] minus 4 FCS bytes 73 * Per spec: 74 * a value of 0 means RTS on all data/management packets 75 * a value > max MSDU size means no RTS 76 * else RTS for data/management frames where MPDU is larger 77 * than RTS value. 78 */ 79#define DEFAULT_RTS_THRESHOLD 2347U 80#define MIN_RTS_THRESHOLD 0U 81#define MAX_RTS_THRESHOLD 2347U 82#define MAX_MSDU_SIZE 2304U 83#define MAX_MPDU_SIZE 2346U 84#define DEFAULT_BEACON_INTERVAL 100U 85#define DEFAULT_SHORT_RETRY_LIMIT 7U 86#define DEFAULT_LONG_RETRY_LIMIT 4U 87 88struct iwl_rx_mem_buffer { 89 dma_addr_t page_dma; 90 struct page *page; 91 struct list_head list; 92}; 93 94#define rxb_addr(r) page_address(r->page) 95 96/* defined below */ 97struct iwl_device_cmd; 98 99struct iwl_cmd_meta { 100 /* only for SYNC commands, iff the reply skb is wanted */ 101 struct iwl_host_cmd *source; 102 /* 103 * only for ASYNC commands 104 * (which is somewhat stupid -- look at iwl-sta.c for instance 105 * which duplicates a bunch of code because the callback isn't 106 * invoked for SYNC commands, if it were and its result passed 107 * through it would be simpler...) 108 */ 109 void (*callback)(struct iwl_priv *priv, 110 struct iwl_device_cmd *cmd, 111 struct iwl_rx_packet *pkt); 112 113 /* The CMD_SIZE_HUGE flag bit indicates that the command 114 * structure is stored at the end of the shared queue memory. */ 115 u32 flags; 116 117 DEFINE_DMA_UNMAP_ADDR(mapping); 118 DEFINE_DMA_UNMAP_LEN(len); 119}; 120 121/* 122 * Generic queue structure 123 * 124 * Contains common data for Rx and Tx queues 125 */ 126struct iwl_queue { 127 int n_bd; /* number of BDs in this queue */ 128 int write_ptr; /* 1-st empty entry (index) host_w*/ 129 int read_ptr; /* last used entry (index) host_r*/ 130 /* use for monitoring and recovering the stuck queue */ 131 int last_read_ptr; /* storing the last read_ptr */ 132 /* number of time read_ptr and last_read_ptr are the same */ 133 u8 repeat_same_read_ptr; 134 dma_addr_t dma_addr; /* physical addr for BD's */ 135 int n_window; /* safe queue window */ 136 u32 id; 137 int low_mark; /* low watermark, resume queue if free 138 * space more than this */ 139 int high_mark; /* high watermark, stop queue if free 140 * space less than this */ 141} __attribute__ ((packed)); 142 143/* One for each TFD */ 144struct iwl_tx_info { 145 struct sk_buff *skb; 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 * @need_update: indicates need to update read/write index 157 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 158 * 159 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 160 * descriptors) and required locking structures. 161 */ 162#define TFD_TX_CMD_SLOTS 256 163#define TFD_CMD_SLOTS 32 164 165struct iwl_tx_queue { 166 struct iwl_queue q; 167 void *tfds; 168 struct iwl_device_cmd **cmd; 169 struct iwl_cmd_meta *meta; 170 struct iwl_tx_info *txb; 171 u8 need_update; 172 u8 sched_retry; 173 u8 active; 174 u8 swq_id; 175}; 176 177#define IWL_NUM_SCAN_RATES (2) 178 179struct iwl4965_channel_tgd_info { 180 u8 type; 181 s8 max_power; 182}; 183 184struct iwl4965_channel_tgh_info { 185 s64 last_radar_time; 186}; 187 188#define IWL4965_MAX_RATE (33) 189 190struct iwl3945_clip_group { 191 /* maximum power level to prevent clipping for each rate, derived by 192 * us from this band's saturation power in EEPROM */ 193 const s8 clip_powers[IWL_MAX_RATES]; 194}; 195 196/* current Tx power values to use, one for each rate for each channel. 197 * requested power is limited by: 198 * -- regulatory EEPROM limits for this channel 199 * -- hardware capabilities (clip-powers) 200 * -- spectrum management 201 * -- user preference (e.g. iwconfig) 202 * when requested power is set, base power index must also be set. */ 203struct iwl3945_channel_power_info { 204 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 205 s8 power_table_index; /* actual (compenst'd) index into gain table */ 206 s8 base_power_index; /* gain index for power at factory temp. */ 207 s8 requested_power; /* power (dBm) requested for this chnl/rate */ 208}; 209 210/* current scan Tx power values to use, one for each scan rate for each 211 * channel. */ 212struct iwl3945_scan_power_info { 213 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 214 s8 power_table_index; /* actual (compenst'd) index into gain table */ 215 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ 216}; 217 218/* 219 * One for each channel, holds all channel setup data 220 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 221 * with one another! 222 */ 223struct iwl_channel_info { 224 struct iwl4965_channel_tgd_info tgd; 225 struct iwl4965_channel_tgh_info tgh; 226 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 227 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 228 * HT40 channel */ 229 230 u8 channel; /* channel number */ 231 u8 flags; /* flags copied from EEPROM */ 232 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 233 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 234 s8 min_power; /* always 0 */ 235 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 236 237 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 238 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 239 enum ieee80211_band band; 240 241 /* HT40 channel info */ 242 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 243 u8 ht40_flags; /* flags copied from EEPROM */ 244 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 245 246 /* Radio/DSP gain settings for each "normal" data Tx rate. 247 * These include, in addition to RF and DSP gain, a few fields for 248 * remembering/modifying gain settings (indexes). */ 249 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; 250 251 /* Radio/DSP gain settings for each scan rate, for directed scans. */ 252 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; 253}; 254 255#define IWL_TX_FIFO_BK 0 256#define IWL_TX_FIFO_BE 1 257#define IWL_TX_FIFO_VI 2 258#define IWL_TX_FIFO_VO 3 259#define IWL_TX_FIFO_UNUSED -1 260 261/* Minimum number of queues. MAX_NUM is defined in hw specific files. 262 * Set the minimum to accommodate the 4 standard TX queues, 1 command 263 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 264#define IWL_MIN_NUM_QUEUES 10 265 266/* 267 * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00, 268 * the driver maps it into the appropriate device FIFO for the 269 * uCode. 270 */ 271#define IWL_CMD_QUEUE_NUM 4 272 273/* Power management (not Tx power) structures */ 274 275enum iwl_pwr_src { 276 IWL_PWR_SRC_VMAIN, 277 IWL_PWR_SRC_VAUX, 278}; 279 280#define IEEE80211_DATA_LEN 2304 281#define IEEE80211_4ADDR_LEN 30 282#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 283#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 284 285struct iwl_frame { 286 union { 287 struct ieee80211_hdr frame; 288 struct iwl_tx_beacon_cmd beacon; 289 u8 raw[IEEE80211_FRAME_LEN]; 290 u8 cmd[360]; 291 } u; 292 struct list_head list; 293}; 294 295#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 296#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 297#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 298 299enum { 300 CMD_SYNC = 0, 301 CMD_SIZE_NORMAL = 0, 302 CMD_NO_SKB = 0, 303 CMD_SIZE_HUGE = (1 << 0), 304 CMD_ASYNC = (1 << 1), 305 CMD_WANT_SKB = (1 << 2), 306}; 307 308#define DEF_CMD_PAYLOAD_SIZE 320 309 310/** 311 * struct iwl_device_cmd 312 * 313 * For allocation of the command and tx queues, this establishes the overall 314 * size of the largest command we send to uCode, except for a scan command 315 * (which is relatively huge; space is allocated separately). 316 */ 317struct iwl_device_cmd { 318 struct iwl_cmd_header hdr; /* uCode API */ 319 union { 320 u32 flags; 321 u8 val8; 322 u16 val16; 323 u32 val32; 324 struct iwl_tx_cmd tx; 325 struct iwl6000_channel_switch_cmd chswitch; 326 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 327 } __attribute__ ((packed)) cmd; 328} __attribute__ ((packed)); 329 330#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 331 332 333struct iwl_host_cmd { 334 const void *data; 335 unsigned long reply_page; 336 void (*callback)(struct iwl_priv *priv, 337 struct iwl_device_cmd *cmd, 338 struct iwl_rx_packet *pkt); 339 u32 flags; 340 u16 len; 341 u8 id; 342}; 343 344#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 345#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 346#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 347 348/** 349 * struct iwl_rx_queue - Rx queue 350 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 351 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) 352 * @read: Shared index to newest available Rx buffer 353 * @write: Shared index to oldest written Rx packet 354 * @free_count: Number of pre-allocated buffers in rx_free 355 * @rx_free: list of free SKBs for use 356 * @rx_used: List of Rx buffers with no SKB 357 * @need_update: flag to indicate we need to update read/write index 358 * @rb_stts: driver's pointer to receive buffer status 359 * @rb_stts_dma: bus address of receive buffer status 360 * 361 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 362 */ 363struct iwl_rx_queue { 364 __le32 *bd; 365 dma_addr_t bd_dma; 366 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 367 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 368 u32 read; 369 u32 write; 370 u32 free_count; 371 u32 write_actual; 372 struct list_head rx_free; 373 struct list_head rx_used; 374 int need_update; 375 struct iwl_rb_status *rb_stts; 376 dma_addr_t rb_stts_dma; 377 spinlock_t lock; 378}; 379 380#define IWL_SUPPORTED_RATES_IE_LEN 8 381 382#define MAX_TID_COUNT 9 383 384#define IWL_INVALID_RATE 0xFF 385#define IWL_INVALID_VALUE -1 386 387/** 388 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 389 * @txq_id: Tx queue used for Tx attempt 390 * @frame_count: # frames attempted by Tx command 391 * @wait_for_ba: Expect block-ack before next Tx reply 392 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 393 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 394 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 395 * @rate_n_flags: Rate at which Tx was attempted 396 * 397 * If REPLY_TX indicates that aggregation was attempted, driver must wait 398 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 399 * until block ack arrives. 400 */ 401struct iwl_ht_agg { 402 u16 txq_id; 403 u16 frame_count; 404 u16 wait_for_ba; 405 u16 start_idx; 406 u64 bitmap; 407 u32 rate_n_flags; 408#define IWL_AGG_OFF 0 409#define IWL_AGG_ON 1 410#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 411#define IWL_EMPTYING_HW_QUEUE_DELBA 3 412 u8 state; 413}; 414 415 416struct iwl_tid_data { 417 u16 seq_number; /* agn only */ 418 u16 tfds_in_queue; 419 struct iwl_ht_agg agg; 420}; 421 422struct iwl_hw_key { 423 enum ieee80211_key_alg alg; 424 int keylen; 425 u8 keyidx; 426 u8 key[32]; 427}; 428 429union iwl_ht_rate_supp { 430 u16 rates; 431 struct { 432 u8 siso_rate; 433 u8 mimo_rate; 434 }; 435}; 436 437#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) 438 439/* 440 * Maximal MPDU density for TX aggregation 441 * 4 - 2us density 442 * 5 - 4us density 443 * 6 - 8us density 444 * 7 - 16us density 445 */ 446#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 447#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 448 449struct iwl_ht_config { 450 /* self configuration data */ 451 bool is_ht; 452 bool is_40mhz; 453 bool single_chain_sufficient; 454 enum ieee80211_smps_mode smps; /* current smps mode */ 455 /* BSS related data */ 456 u8 extension_chan_offset; 457 u8 ht_protection; 458 u8 non_GF_STA_present; 459}; 460 461/* QoS structures */ 462struct iwl_qos_info { 463 int qos_active; 464 struct iwl_qosparam_cmd def_qos_parm; 465}; 466 467/* 468 * Structure should be accessed with sta_lock held. When station addition 469 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 470 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 471 * held. 472 */ 473struct iwl_station_entry { 474 struct iwl_addsta_cmd sta; 475 struct iwl_tid_data tid[MAX_TID_COUNT]; 476 u8 used; 477 struct iwl_hw_key keyinfo; 478 struct iwl_link_quality_cmd *lq; 479}; 480 481struct iwl_station_priv_common { 482 u8 sta_id; 483}; 484 485/* 486 * iwl_station_priv: Driver's private station information 487 * 488 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 489 * in the structure for use by driver. This structure is places in that 490 * space. 491 * 492 * The common struct MUST be first because it is shared between 493 * 3945 and agn! 494 */ 495struct iwl_station_priv { 496 struct iwl_station_priv_common common; 497 struct iwl_lq_sta lq_sta; 498 atomic_t pending_frames; 499 bool client; 500 bool asleep; 501}; 502 503/** 504 * struct iwl_vif_priv - driver's private per-interface information 505 * 506 * When mac80211 allocates a virtual interface, it can allocate 507 * space for us to put data into. 508 */ 509struct iwl_vif_priv { 510 u8 ibss_bssid_sta_id; 511}; 512 513/* one for each uCode image (inst/data, boot/init/runtime) */ 514struct fw_desc { 515 void *v_addr; /* access by driver */ 516 dma_addr_t p_addr; /* access by card's busmaster DMA */ 517 u32 len; /* bytes */ 518}; 519 520/* v1/v2 uCode file layout */ 521struct iwl_ucode_header { 522 __le32 ver; /* major/minor/API/serial */ 523 union { 524 struct { 525 __le32 inst_size; /* bytes of runtime code */ 526 __le32 data_size; /* bytes of runtime data */ 527 __le32 init_size; /* bytes of init code */ 528 __le32 init_data_size; /* bytes of init data */ 529 __le32 boot_size; /* bytes of bootstrap code */ 530 u8 data[0]; /* in same order as sizes */ 531 } v1; 532 struct { 533 __le32 build; /* build number */ 534 __le32 inst_size; /* bytes of runtime code */ 535 __le32 data_size; /* bytes of runtime data */ 536 __le32 init_size; /* bytes of init code */ 537 __le32 init_data_size; /* bytes of init data */ 538 __le32 boot_size; /* bytes of bootstrap code */ 539 u8 data[0]; /* in same order as sizes */ 540 } v2; 541 } u; 542}; 543 544/* 545 * new TLV uCode file layout 546 * 547 * The new TLV file format contains TLVs, that each specify 548 * some piece of data. To facilitate "groups", for example 549 * different instruction image with different capabilities, 550 * bundled with the same init image, an alternative mechanism 551 * is provided: 552 * When the alternative field is 0, that means that the item 553 * is always valid. When it is non-zero, then it is only 554 * valid in conjunction with items of the same alternative, 555 * in which case the driver (user) selects one alternative 556 * to use. 557 */ 558 559enum iwl_ucode_tlv_type { 560 IWL_UCODE_TLV_INVALID = 0, /* unused */ 561 IWL_UCODE_TLV_INST = 1, 562 IWL_UCODE_TLV_DATA = 2, 563 IWL_UCODE_TLV_INIT = 3, 564 IWL_UCODE_TLV_INIT_DATA = 4, 565 IWL_UCODE_TLV_BOOT = 5, 566 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 567 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 568 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 569 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 570 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 571 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 572 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 573 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 574 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 575}; 576 577struct iwl_ucode_tlv { 578 __le16 type; /* see above */ 579 __le16 alternative; /* see comment */ 580 __le32 length; /* not including type/length fields */ 581 u8 data[0]; 582} __attribute__ ((packed)); 583 584#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 585 586struct iwl_tlv_ucode_header { 587 /* 588 * The TLV style ucode header is distinguished from 589 * the v1/v2 style header by first four bytes being 590 * zero, as such is an invalid combination of 591 * major/minor/API/serial versions. 592 */ 593 __le32 zero; 594 __le32 magic; 595 u8 human_readable[64]; 596 __le32 ver; /* major/minor/API/serial */ 597 __le32 build; 598 __le64 alternatives; /* bitmask of valid alternatives */ 599 /* 600 * The data contained herein has a TLV layout, 601 * see above for the TLV header and types. 602 * Note that each TLV is padded to a length 603 * that is a multiple of 4 for alignment. 604 */ 605 u8 data[0]; 606}; 607 608struct iwl4965_ibss_seq { 609 u8 mac[ETH_ALEN]; 610 u16 seq_num; 611 u16 frag_num; 612 unsigned long packet_time; 613 struct list_head list; 614}; 615 616struct iwl_sensitivity_ranges { 617 u16 min_nrg_cck; 618 u16 max_nrg_cck; 619 620 u16 nrg_th_cck; 621 u16 nrg_th_ofdm; 622 623 u16 auto_corr_min_ofdm; 624 u16 auto_corr_min_ofdm_mrc; 625 u16 auto_corr_min_ofdm_x1; 626 u16 auto_corr_min_ofdm_mrc_x1; 627 628 u16 auto_corr_max_ofdm; 629 u16 auto_corr_max_ofdm_mrc; 630 u16 auto_corr_max_ofdm_x1; 631 u16 auto_corr_max_ofdm_mrc_x1; 632 633 u16 auto_corr_max_cck; 634 u16 auto_corr_max_cck_mrc; 635 u16 auto_corr_min_cck; 636 u16 auto_corr_min_cck_mrc; 637 638 u16 barker_corr_th_min; 639 u16 barker_corr_th_min_mrc; 640 u16 nrg_th_cca; 641}; 642 643 644#define KELVIN_TO_CELSIUS(x) ((x)-273) 645#define CELSIUS_TO_KELVIN(x) ((x)+273) 646 647 648/** 649 * struct iwl_hw_params 650 * @max_txq_num: Max # Tx queues supported 651 * @dma_chnl_num: Number of Tx DMA/FIFO channels 652 * @scd_bc_tbls_size: size of scheduler byte count tables 653 * @tfd_size: TFD size 654 * @tx/rx_chains_num: Number of TX/RX chains 655 * @valid_tx/rx_ant: usable antennas 656 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 657 * @max_rxq_log: Log-base-2 of max_rxq_size 658 * @rx_page_order: Rx buffer page order 659 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 660 * @max_stations: 661 * @bcast_sta_id: 662 * @ht40_channel: is 40MHz width possible in band 2.4 663 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 664 * @sw_crypto: 0 for hw, 1 for sw 665 * @max_xxx_size: for ucode uses 666 * @ct_kill_threshold: temperature threshold 667 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time 668 * @calib_init_cfg: setup initial calibrations for the hw 669 * @struct iwl_sensitivity_ranges: range of sensitivity values 670 */ 671struct iwl_hw_params { 672 u8 max_txq_num; 673 u8 dma_chnl_num; 674 u16 scd_bc_tbls_size; 675 u32 tfd_size; 676 u8 tx_chains_num; 677 u8 rx_chains_num; 678 u8 valid_tx_ant; 679 u8 valid_rx_ant; 680 u16 max_rxq_size; 681 u16 max_rxq_log; 682 u32 rx_page_order; 683 u32 rx_wrt_ptr_reg; 684 u8 max_stations; 685 u8 bcast_sta_id; 686 u8 ht40_channel; 687 u8 max_beacon_itrvl; /* in 1024 ms */ 688 u32 max_inst_size; 689 u32 max_data_size; 690 u32 max_bsm_size; 691 u32 ct_kill_threshold; /* value in hw-dependent units */ 692 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 693 /* for 1000, 6000 series and up */ 694 u16 beacon_time_tsf_bits; 695 u32 calib_init_cfg; 696 const struct iwl_sensitivity_ranges *sens; 697}; 698 699 700/****************************************************************************** 701 * 702 * Functions implemented in core module which are forward declared here 703 * for use by iwl-[4-5].c 704 * 705 * NOTE: The implementation of these functions are not hardware specific 706 * which is why they are in the core module files. 707 * 708 * Naming convention -- 709 * iwl_ <-- Is part of iwlwifi 710 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 711 * iwl4965_bg_ <-- Called from work queue context 712 * iwl4965_mac_ <-- mac80211 callback 713 * 714 ****************************************************************************/ 715extern void iwl_update_chain_flags(struct iwl_priv *priv); 716extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 717extern const u8 iwl_bcast_addr[ETH_ALEN]; 718extern int iwl_rxq_stop(struct iwl_priv *priv); 719extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 720extern int iwl_queue_space(const struct iwl_queue *q); 721static inline int iwl_queue_used(const struct iwl_queue *q, int i) 722{ 723 return q->write_ptr >= q->read_ptr ? 724 (i >= q->read_ptr && i < q->write_ptr) : 725 !(i < q->read_ptr && i >= q->write_ptr); 726} 727 728 729static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 730{ 731 /* 732 * This is for init calibration result and scan command which 733 * required buffer > TFD_MAX_PAYLOAD_SIZE, 734 * the big buffer at end of command array 735 */ 736 if (is_huge) 737 return q->n_window; /* must be power of 2 */ 738 739 /* Otherwise, use normal size buffers */ 740 return index & (q->n_window - 1); 741} 742 743 744struct iwl_dma_ptr { 745 dma_addr_t dma; 746 void *addr; 747 size_t size; 748}; 749 750#define IWL_OPERATION_MODE_AUTO 0 751#define IWL_OPERATION_MODE_HT_ONLY 1 752#define IWL_OPERATION_MODE_MIXED 2 753#define IWL_OPERATION_MODE_20MHZ 3 754 755#define IWL_TX_CRC_SIZE 4 756#define IWL_TX_DELIMITER_SIZE 4 757 758#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 759 760/* Sensitivity and chain noise calibration */ 761#define INITIALIZATION_VALUE 0xFFFF 762#define IWL4965_CAL_NUM_BEACONS 20 763#define IWL_CAL_NUM_BEACONS 16 764#define MAXIMUM_ALLOWED_PATHLOSS 15 765 766#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 767 768#define MAX_FA_OFDM 50 769#define MIN_FA_OFDM 5 770#define MAX_FA_CCK 50 771#define MIN_FA_CCK 5 772 773#define AUTO_CORR_STEP_OFDM 1 774 775#define AUTO_CORR_STEP_CCK 3 776#define AUTO_CORR_MAX_TH_CCK 160 777 778#define NRG_DIFF 2 779#define NRG_STEP_CCK 2 780#define NRG_MARGIN 8 781#define MAX_NUMBER_CCK_NO_FA 100 782 783#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 784 785#define CHAIN_A 0 786#define CHAIN_B 1 787#define CHAIN_C 2 788#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 789#define ALL_BAND_FILTER 0xFF00 790#define IN_BAND_FILTER 0xFF 791#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 792 793#define NRG_NUM_PREV_STAT_L 20 794#define NUM_RX_CHAINS 3 795 796enum iwl4965_false_alarm_state { 797 IWL_FA_TOO_MANY = 0, 798 IWL_FA_TOO_FEW = 1, 799 IWL_FA_GOOD_RANGE = 2, 800}; 801 802enum iwl4965_chain_noise_state { 803 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 804 IWL_CHAIN_NOISE_ACCUMULATE, 805 IWL_CHAIN_NOISE_CALIBRATED, 806 IWL_CHAIN_NOISE_DONE, 807}; 808 809enum iwl4965_calib_enabled_state { 810 IWL_CALIB_DISABLED = 0, /* must be 0 */ 811 IWL_CALIB_ENABLED = 1, 812}; 813 814 815/* 816 * enum iwl_calib 817 * defines the order in which results of initial calibrations 818 * should be sent to the runtime uCode 819 */ 820enum iwl_calib { 821 IWL_CALIB_XTAL, 822 IWL_CALIB_DC, 823 IWL_CALIB_LO, 824 IWL_CALIB_TX_IQ, 825 IWL_CALIB_TX_IQ_PERD, 826 IWL_CALIB_BASE_BAND, 827 IWL_CALIB_MAX 828}; 829 830/* Opaque calibration results */ 831struct iwl_calib_result { 832 void *buf; 833 size_t buf_len; 834}; 835 836enum ucode_type { 837 UCODE_NONE = 0, 838 UCODE_INIT, 839 UCODE_RT 840}; 841 842/* Sensitivity calib data */ 843struct iwl_sensitivity_data { 844 u32 auto_corr_ofdm; 845 u32 auto_corr_ofdm_mrc; 846 u32 auto_corr_ofdm_x1; 847 u32 auto_corr_ofdm_mrc_x1; 848 u32 auto_corr_cck; 849 u32 auto_corr_cck_mrc; 850 851 u32 last_bad_plcp_cnt_ofdm; 852 u32 last_fa_cnt_ofdm; 853 u32 last_bad_plcp_cnt_cck; 854 u32 last_fa_cnt_cck; 855 856 u32 nrg_curr_state; 857 u32 nrg_prev_state; 858 u32 nrg_value[10]; 859 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 860 u32 nrg_silence_ref; 861 u32 nrg_energy_idx; 862 u32 nrg_silence_idx; 863 u32 nrg_th_cck; 864 s32 nrg_auto_corr_silence_diff; 865 u32 num_in_cck_no_fa; 866 u32 nrg_th_ofdm; 867 868 u16 barker_corr_th_min; 869 u16 barker_corr_th_min_mrc; 870 u16 nrg_th_cca; 871}; 872 873/* Chain noise (differential Rx gain) calib data */ 874struct iwl_chain_noise_data { 875 u32 active_chains; 876 u32 chain_noise_a; 877 u32 chain_noise_b; 878 u32 chain_noise_c; 879 u32 chain_signal_a; 880 u32 chain_signal_b; 881 u32 chain_signal_c; 882 u16 beacon_count; 883 u8 disconn_array[NUM_RX_CHAINS]; 884 u8 delta_gain_code[NUM_RX_CHAINS]; 885 u8 radio_write; 886 u8 state; 887}; 888 889#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 890#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 891 892#define IWL_TRAFFIC_ENTRIES (256) 893#define IWL_TRAFFIC_ENTRY_SIZE (64) 894 895enum { 896 MEASUREMENT_READY = (1 << 0), 897 MEASUREMENT_ACTIVE = (1 << 1), 898}; 899 900enum iwl_nvm_type { 901 NVM_DEVICE_TYPE_EEPROM = 0, 902 NVM_DEVICE_TYPE_OTP, 903}; 904 905/* 906 * Two types of OTP memory access modes 907 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 908 * based on physical memory addressing 909 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 910 * based on logical memory addressing 911 */ 912enum iwl_access_mode { 913 IWL_OTP_ACCESS_ABSOLUTE, 914 IWL_OTP_ACCESS_RELATIVE, 915}; 916 917/** 918 * enum iwl_pa_type - Power Amplifier type 919 * @IWL_PA_SYSTEM: based on uCode configuration 920 * @IWL_PA_INTERNAL: use Internal only 921 */ 922enum iwl_pa_type { 923 IWL_PA_SYSTEM = 0, 924 IWL_PA_INTERNAL = 1, 925}; 926 927/* interrupt statistics */ 928struct isr_statistics { 929 u32 hw; 930 u32 sw; 931 u32 sw_err; 932 u32 sch; 933 u32 alive; 934 u32 rfkill; 935 u32 ctkill; 936 u32 wakeup; 937 u32 rx; 938 u32 rx_handlers[REPLY_MAX]; 939 u32 tx; 940 u32 unhandled; 941}; 942 943#ifdef CONFIG_IWLWIFI_DEBUGFS 944/* management statistics */ 945enum iwl_mgmt_stats { 946 MANAGEMENT_ASSOC_REQ = 0, 947 MANAGEMENT_ASSOC_RESP, 948 MANAGEMENT_REASSOC_REQ, 949 MANAGEMENT_REASSOC_RESP, 950 MANAGEMENT_PROBE_REQ, 951 MANAGEMENT_PROBE_RESP, 952 MANAGEMENT_BEACON, 953 MANAGEMENT_ATIM, 954 MANAGEMENT_DISASSOC, 955 MANAGEMENT_AUTH, 956 MANAGEMENT_DEAUTH, 957 MANAGEMENT_ACTION, 958 MANAGEMENT_MAX, 959}; 960/* control statistics */ 961enum iwl_ctrl_stats { 962 CONTROL_BACK_REQ = 0, 963 CONTROL_BACK, 964 CONTROL_PSPOLL, 965 CONTROL_RTS, 966 CONTROL_CTS, 967 CONTROL_ACK, 968 CONTROL_CFEND, 969 CONTROL_CFENDACK, 970 CONTROL_MAX, 971}; 972 973struct traffic_stats { 974 u32 mgmt[MANAGEMENT_MAX]; 975 u32 ctrl[CONTROL_MAX]; 976 u32 data_cnt; 977 u64 data_bytes; 978}; 979#else 980struct traffic_stats { 981 u64 data_bytes; 982}; 983#endif 984 985/* 986 * iwl_switch_rxon: "channel switch" structure 987 * 988 * @ switch_in_progress: channel switch in progress 989 * @ channel: new channel 990 */ 991struct iwl_switch_rxon { 992 bool switch_in_progress; 993 __le16 channel; 994}; 995 996/* 997 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 998 * to perform continuous uCode event logging operation if enabled 999 */ 1000#define UCODE_TRACE_PERIOD (100) 1001 1002/* 1003 * iwl_event_log: current uCode event log position 1004 * 1005 * @ucode_trace: enable/disable ucode continuous trace timer 1006 * @num_wraps: how many times the event buffer wraps 1007 * @next_entry: the entry just before the next one that uCode would fill 1008 * @non_wraps_count: counter for no wrap detected when dump ucode events 1009 * @wraps_once_count: counter for wrap once detected when dump ucode events 1010 * @wraps_more_count: counter for wrap more than once detected 1011 * when dump ucode events 1012 */ 1013struct iwl_event_log { 1014 bool ucode_trace; 1015 u32 num_wraps; 1016 u32 next_entry; 1017 int non_wraps_count; 1018 int wraps_once_count; 1019 int wraps_more_count; 1020}; 1021 1022/* 1023 * host interrupt timeout value 1024 * used with setting interrupt coalescing timer 1025 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1026 * 1027 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1028 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1029 */ 1030#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 1031#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 1032#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 1033#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1034#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1035#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1036 1037/* 1038 * This is the threshold value of plcp error rate per 100mSecs. It is 1039 * used to set and check for the validity of plcp_delta. 1040 */ 1041#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 1042#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 1043#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 1044#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1045#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1046#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 1047 1048#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 1049#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1050 1051/* timer constants use to monitor and recover stuck tx queues in mSecs */ 1052#define IWL_MONITORING_PERIOD (1000) 1053#define IWL_ONE_HUNDRED_MSECS (100) 1054#define IWL_SIXTY_SECS (60000) 1055 1056enum iwl_reset { 1057 IWL_RF_RESET = 0, 1058 IWL_FW_RESET, 1059 IWL_MAX_FORCE_RESET, 1060}; 1061 1062struct iwl_force_reset { 1063 int reset_request_count; 1064 int reset_success_count; 1065 int reset_reject_count; 1066 unsigned long reset_duration; 1067 unsigned long last_force_reset_jiffies; 1068}; 1069 1070/* extend beacon time format bit shifting */ 1071/* 1072 * for _3945 devices 1073 * bits 31:24 - extended 1074 * bits 23:0 - interval 1075 */ 1076#define IWL3945_EXT_BEACON_TIME_POS 24 1077/* 1078 * for _agn devices 1079 * bits 31:22 - extended 1080 * bits 21:0 - interval 1081 */ 1082#define IWLAGN_EXT_BEACON_TIME_POS 22 1083 1084struct iwl_priv { 1085 1086 /* ieee device used by generic ieee processing code */ 1087 struct ieee80211_hw *hw; 1088 struct ieee80211_channel *ieee_channels; 1089 struct ieee80211_rate *ieee_rates; 1090 struct iwl_cfg *cfg; 1091 1092 /* temporary frame storage list */ 1093 struct list_head free_frames; 1094 int frames_count; 1095 1096 enum ieee80211_band band; 1097 int alloc_rxb_page; 1098 1099 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1100 struct iwl_rx_mem_buffer *rxb); 1101 1102 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1103 1104 /* spectrum measurement report caching */ 1105 struct iwl_spectrum_notification measure_report; 1106 u8 measurement_status; 1107 1108 /* ucode beacon time */ 1109 u32 ucode_beacon_time; 1110 int missed_beacon_threshold; 1111 1112 /* storing the jiffies when the plcp error rate is received */ 1113 unsigned long plcp_jiffies; 1114 1115 /* force reset */ 1116 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1117 1118 /* we allocate array of iwl_channel_info for NIC's valid channels. 1119 * Access via channel # using indirect index array */ 1120 struct iwl_channel_info *channel_info; /* channel info array */ 1121 u8 channel_count; /* # of channels */ 1122 1123 /* thermal calibration */ 1124 s32 temperature; /* degrees Kelvin */ 1125 s32 last_temperature; 1126 1127 /* init calibration results */ 1128 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1129 1130 /* Scan related variables */ 1131 unsigned long scan_start; 1132 unsigned long scan_start_tsf; 1133 void *scan_cmd; 1134 enum ieee80211_band scan_band; 1135 struct cfg80211_scan_request *scan_request; 1136 struct ieee80211_vif *scan_vif; 1137 bool is_internal_short_scan; 1138 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1139 u8 mgmt_tx_ant; 1140 1141 /* spinlock */ 1142 spinlock_t lock; /* protect general shared data */ 1143 spinlock_t hcmd_lock; /* protect hcmd */ 1144 spinlock_t reg_lock; /* protect hw register access */ 1145 struct mutex mutex; 1146 struct mutex sync_cmd_mutex; /* enable serialization of sync commands */ 1147 1148 /* basic pci-network driver stuff */ 1149 struct pci_dev *pci_dev; 1150 1151 /* pci hardware address support */ 1152 void __iomem *hw_base; 1153 u32 hw_rev; 1154 u32 hw_wa_rev; 1155 u8 rev_id; 1156 1157 /* EEPROM MAC addresses */ 1158 struct mac_address addresses[2]; 1159 1160 /* uCode images, save to reload in case of failure */ 1161 int fw_index; /* firmware we're trying to load */ 1162 u32 ucode_ver; /* version of ucode, copy of 1163 iwl_ucode.ver */ 1164 struct fw_desc ucode_code; /* runtime inst */ 1165 struct fw_desc ucode_data; /* runtime data original */ 1166 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1167 struct fw_desc ucode_init; /* initialization inst */ 1168 struct fw_desc ucode_init_data; /* initialization data */ 1169 struct fw_desc ucode_boot; /* bootstrap inst */ 1170 enum ucode_type ucode_type; 1171 u8 ucode_write_complete; /* the image write is complete */ 1172 char firmware_name[25]; 1173 1174 1175 struct iwl_rxon_time_cmd rxon_timing; 1176 1177 /* We declare this const so it can only be 1178 * changed via explicit cast within the 1179 * routines that actually update the physical 1180 * hardware */ 1181 const struct iwl_rxon_cmd active_rxon; 1182 struct iwl_rxon_cmd staging_rxon; 1183 1184 struct iwl_switch_rxon switch_rxon; 1185 1186 /* 1st responses from initialize and runtime uCode images. 1187 * _agn's initialize alive response contains some calibration data. */ 1188 struct iwl_init_alive_resp card_alive_init; 1189 struct iwl_alive_resp card_alive; 1190 1191 unsigned long last_blink_time; 1192 u8 last_blink_rate; 1193 u8 allow_blinking; 1194 u64 led_tpt; 1195 1196 u16 active_rate; 1197 1198 u8 start_calib; 1199 struct iwl_sensitivity_data sensitivity_data; 1200 struct iwl_chain_noise_data chain_noise_data; 1201 bool enhance_sensitivity_table; 1202 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1203 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1204 1205 struct iwl_ht_config current_ht_config; 1206 1207 /* Rate scaling data */ 1208 u8 retry_rate; 1209 1210 wait_queue_head_t wait_command_queue; 1211 1212 int activity_timer_active; 1213 1214 /* Rx and Tx DMA processing queues */ 1215 struct iwl_rx_queue rxq; 1216 struct iwl_tx_queue *txq; 1217 unsigned long txq_ctx_active_msk; 1218 struct iwl_dma_ptr kw; /* keep warm address */ 1219 struct iwl_dma_ptr scd_bc_tbls; 1220 1221 u32 scd_base_addr; /* scheduler sram base address */ 1222 1223 unsigned long status; 1224 1225 /* counts mgmt, ctl, and data packets */ 1226 struct traffic_stats tx_stats; 1227 struct traffic_stats rx_stats; 1228 1229 /* counts interrupts */ 1230 struct isr_statistics isr_stats; 1231 1232 struct iwl_power_mgr power_data; 1233 struct iwl_tt_mgmt thermal_throttle; 1234 1235 /* context information */ 1236 u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */ 1237 1238 /* station table variables */ 1239 1240 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1241 spinlock_t sta_lock; 1242 int num_stations; 1243 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1244 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; /* protected by mutex */ 1245 u8 key_mapping_key; 1246 unsigned long ucode_key_table; 1247 1248 /* queue refcounts */ 1249#define IWL_MAX_HW_QUEUES 32 1250 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1251 /* for each AC */ 1252 atomic_t queue_stop_count[4]; 1253 1254 /* Indication if ieee80211_ops->open has been called */ 1255 u8 is_open; 1256 1257 u8 mac80211_registered; 1258 1259 /* eeprom -- this is in the card's little endian byte order */ 1260 u8 *eeprom; 1261 int nvm_device_type; 1262 struct iwl_eeprom_calib_info *calib_info; 1263 1264 enum nl80211_iftype iw_mode; 1265 1266 struct sk_buff *ibss_beacon; 1267 1268 /* Last Rx'd beacon timestamp */ 1269 u64 timestamp; 1270 struct ieee80211_vif *vif; 1271 1272 union { 1273#if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE) 1274 struct { 1275 void *shared_virt; 1276 dma_addr_t shared_phys; 1277 1278 struct delayed_work thermal_periodic; 1279 struct delayed_work rfkill_poll; 1280 1281 struct iwl3945_notif_statistics statistics; 1282#ifdef CONFIG_IWLWIFI_DEBUGFS 1283 struct iwl3945_notif_statistics accum_statistics; 1284 struct iwl3945_notif_statistics delta_statistics; 1285 struct iwl3945_notif_statistics max_delta; 1286#endif 1287 1288 u32 sta_supp_rates; 1289 int last_rx_rssi; /* From Rx packet statistics */ 1290 1291 /* Rx'd packet timing information */ 1292 u32 last_beacon_time; 1293 u64 last_tsf; 1294 1295 /* 1296 * each calibration channel group in the 1297 * EEPROM has a derived clip setting for 1298 * each rate. 1299 */ 1300 const struct iwl3945_clip_group clip_groups[5]; 1301 1302 } _3945; 1303#endif 1304#if defined(CONFIG_IWLAGN) || defined(CONFIG_IWLAGN_MODULE) 1305 struct { 1306 /* INT ICT Table */ 1307 __le32 *ict_tbl; 1308 void *ict_tbl_vir; 1309 dma_addr_t ict_tbl_dma; 1310 dma_addr_t aligned_ict_tbl_dma; 1311 int ict_index; 1312 u32 inta; 1313 bool use_ict; 1314 /* 1315 * reporting the number of tids has AGG on. 0 means 1316 * no AGGREGATION 1317 */ 1318 u8 agg_tids_count; 1319 1320 struct iwl_rx_phy_res last_phy_res; 1321 bool last_phy_res_valid; 1322 1323 struct completion firmware_loading_complete; 1324 1325 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1326 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1327 1328 /* 1329 * chain noise reset and gain commands are the 1330 * two extra calibration commands follows the standard 1331 * phy calibration commands 1332 */ 1333 u8 phy_calib_chain_noise_reset_cmd; 1334 u8 phy_calib_chain_noise_gain_cmd; 1335 1336 struct iwl_notif_statistics statistics; 1337 struct iwl_bt_notif_statistics statistics_bt; 1338#ifdef CONFIG_IWLWIFI_DEBUGFS 1339 struct iwl_notif_statistics accum_statistics; 1340 struct iwl_notif_statistics delta_statistics; 1341 struct iwl_notif_statistics max_delta; 1342 struct iwl_bt_notif_statistics accum_statistics_bt; 1343 struct iwl_bt_notif_statistics delta_statistics_bt; 1344 struct iwl_bt_notif_statistics max_delta_bt; 1345#endif 1346 } _agn; 1347#endif 1348 }; 1349 1350 struct iwl_hw_params hw_params; 1351 1352 u32 inta_mask; 1353 1354 struct iwl_qos_info qos_data; 1355 1356 struct workqueue_struct *workqueue; 1357 1358 struct work_struct restart; 1359 struct work_struct scan_completed; 1360 struct work_struct rx_replenish; 1361 struct work_struct abort_scan; 1362 struct work_struct beacon_update; 1363 struct work_struct tt_work; 1364 struct work_struct ct_enter; 1365 struct work_struct ct_exit; 1366 struct work_struct start_internal_scan; 1367 struct work_struct tx_flush; 1368 1369 struct tasklet_struct irq_tasklet; 1370 1371 struct delayed_work init_alive_start; 1372 struct delayed_work alive_start; 1373 struct delayed_work scan_check; 1374 1375 /* TX Power */ 1376 s8 tx_power_user_lmt; 1377 s8 tx_power_device_lmt; 1378 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1379 1380 1381#ifdef CONFIG_IWLWIFI_DEBUG 1382 /* debugging info */ 1383 u32 debug_level; /* per device debugging will override global 1384 iwl_debug_level if set */ 1385#endif /* CONFIG_IWLWIFI_DEBUG */ 1386#ifdef CONFIG_IWLWIFI_DEBUGFS 1387 /* debugfs */ 1388 u16 tx_traffic_idx; 1389 u16 rx_traffic_idx; 1390 u8 *tx_traffic; 1391 u8 *rx_traffic; 1392 struct dentry *debugfs_dir; 1393 u32 dbgfs_sram_offset, dbgfs_sram_len; 1394 bool disable_ht40; 1395#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1396 1397 struct work_struct txpower_work; 1398 u32 disable_sens_cal; 1399 u32 disable_chain_noise_cal; 1400 u32 disable_tx_power_cal; 1401 struct work_struct run_time_calib_work; 1402 struct timer_list statistics_periodic; 1403 struct timer_list ucode_trace; 1404 struct timer_list monitor_recover; 1405 bool hw_ready; 1406 1407 struct iwl_event_log event_log; 1408}; /*iwl_priv */ 1409 1410static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1411{ 1412 set_bit(txq_id, &priv->txq_ctx_active_msk); 1413} 1414 1415static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1416{ 1417 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1418} 1419 1420#ifdef CONFIG_IWLWIFI_DEBUG 1421const char *iwl_get_tx_fail_reason(u32 status); 1422/* 1423 * iwl_get_debug_level: Return active debug level for device 1424 * 1425 * Using sysfs it is possible to set per device debug level. This debug 1426 * level will be used if set, otherwise the global debug level which can be 1427 * set via module parameter is used. 1428 */ 1429static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1430{ 1431 if (priv->debug_level) 1432 return priv->debug_level; 1433 else 1434 return iwl_debug_level; 1435} 1436#else 1437static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 1438 1439static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1440{ 1441 return iwl_debug_level; 1442} 1443#endif 1444 1445 1446static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1447 int txq_id, int idx) 1448{ 1449 if (priv->txq[txq_id].txb[idx].skb) 1450 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1451 txb[idx].skb->data; 1452 return NULL; 1453} 1454 1455 1456static inline int iwl_is_associated(struct iwl_priv *priv) 1457{ 1458 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1459} 1460 1461static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1462{ 1463 if (ch_info == NULL) 1464 return 0; 1465 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1466} 1467 1468static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1469{ 1470 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1471} 1472 1473static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1474{ 1475 return ch_info->band == IEEE80211_BAND_5GHZ; 1476} 1477 1478static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1479{ 1480 return ch_info->band == IEEE80211_BAND_2GHZ; 1481} 1482 1483static inline int is_channel_passive(const struct iwl_channel_info *ch) 1484{ 1485 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1486} 1487 1488static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1489{ 1490 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1491} 1492 1493static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1494{ 1495 __free_pages(page, priv->hw_params.rx_page_order); 1496 priv->alloc_rxb_page--; 1497} 1498 1499static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1500{ 1501 free_pages(page, priv->hw_params.rx_page_order); 1502 priv->alloc_rxb_page--; 1503} 1504#endif /* __iwl_dev_h__ */ 1505