iwl-dev.h revision bb9c03d8a6893517737b16fdbeb54be3c73b3023
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} __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 } __packed cmd; 328} __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}; 574 575struct iwl_ucode_tlv { 576 __le16 type; /* see above */ 577 __le16 alternative; /* see comment */ 578 __le32 length; /* not including type/length fields */ 579 u8 data[0]; 580} __packed; 581 582#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 583 584struct iwl_tlv_ucode_header { 585 /* 586 * The TLV style ucode header is distinguished from 587 * the v1/v2 style header by first four bytes being 588 * zero, as such is an invalid combination of 589 * major/minor/API/serial versions. 590 */ 591 __le32 zero; 592 __le32 magic; 593 u8 human_readable[64]; 594 __le32 ver; /* major/minor/API/serial */ 595 __le32 build; 596 __le64 alternatives; /* bitmask of valid alternatives */ 597 /* 598 * The data contained herein has a TLV layout, 599 * see above for the TLV header and types. 600 * Note that each TLV is padded to a length 601 * that is a multiple of 4 for alignment. 602 */ 603 u8 data[0]; 604}; 605 606struct iwl4965_ibss_seq { 607 u8 mac[ETH_ALEN]; 608 u16 seq_num; 609 u16 frag_num; 610 unsigned long packet_time; 611 struct list_head list; 612}; 613 614struct iwl_sensitivity_ranges { 615 u16 min_nrg_cck; 616 u16 max_nrg_cck; 617 618 u16 nrg_th_cck; 619 u16 nrg_th_ofdm; 620 621 u16 auto_corr_min_ofdm; 622 u16 auto_corr_min_ofdm_mrc; 623 u16 auto_corr_min_ofdm_x1; 624 u16 auto_corr_min_ofdm_mrc_x1; 625 626 u16 auto_corr_max_ofdm; 627 u16 auto_corr_max_ofdm_mrc; 628 u16 auto_corr_max_ofdm_x1; 629 u16 auto_corr_max_ofdm_mrc_x1; 630 631 u16 auto_corr_max_cck; 632 u16 auto_corr_max_cck_mrc; 633 u16 auto_corr_min_cck; 634 u16 auto_corr_min_cck_mrc; 635 636 u16 barker_corr_th_min; 637 u16 barker_corr_th_min_mrc; 638 u16 nrg_th_cca; 639}; 640 641 642#define KELVIN_TO_CELSIUS(x) ((x)-273) 643#define CELSIUS_TO_KELVIN(x) ((x)+273) 644 645 646/** 647 * struct iwl_hw_params 648 * @max_txq_num: Max # Tx queues supported 649 * @dma_chnl_num: Number of Tx DMA/FIFO channels 650 * @scd_bc_tbls_size: size of scheduler byte count tables 651 * @tfd_size: TFD size 652 * @tx/rx_chains_num: Number of TX/RX chains 653 * @valid_tx/rx_ant: usable antennas 654 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 655 * @max_rxq_log: Log-base-2 of max_rxq_size 656 * @rx_page_order: Rx buffer page order 657 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 658 * @max_stations: 659 * @bcast_sta_id: 660 * @ht40_channel: is 40MHz width possible in band 2.4 661 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 662 * @sw_crypto: 0 for hw, 1 for sw 663 * @max_xxx_size: for ucode uses 664 * @ct_kill_threshold: temperature threshold 665 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time 666 * @calib_init_cfg: setup initial calibrations for the hw 667 * @struct iwl_sensitivity_ranges: range of sensitivity values 668 */ 669struct iwl_hw_params { 670 u8 max_txq_num; 671 u8 dma_chnl_num; 672 u16 scd_bc_tbls_size; 673 u32 tfd_size; 674 u8 tx_chains_num; 675 u8 rx_chains_num; 676 u8 valid_tx_ant; 677 u8 valid_rx_ant; 678 u16 max_rxq_size; 679 u16 max_rxq_log; 680 u32 rx_page_order; 681 u32 rx_wrt_ptr_reg; 682 u8 max_stations; 683 u8 bcast_sta_id; 684 u8 ht40_channel; 685 u8 max_beacon_itrvl; /* in 1024 ms */ 686 u32 max_inst_size; 687 u32 max_data_size; 688 u32 max_bsm_size; 689 u32 ct_kill_threshold; /* value in hw-dependent units */ 690 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 691 /* for 1000, 6000 series and up */ 692 u16 beacon_time_tsf_bits; 693 u32 calib_init_cfg; 694 const struct iwl_sensitivity_ranges *sens; 695}; 696 697 698/****************************************************************************** 699 * 700 * Functions implemented in core module which are forward declared here 701 * for use by iwl-[4-5].c 702 * 703 * NOTE: The implementation of these functions are not hardware specific 704 * which is why they are in the core module files. 705 * 706 * Naming convention -- 707 * iwl_ <-- Is part of iwlwifi 708 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 709 * iwl4965_bg_ <-- Called from work queue context 710 * iwl4965_mac_ <-- mac80211 callback 711 * 712 ****************************************************************************/ 713extern void iwl_update_chain_flags(struct iwl_priv *priv); 714extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 715extern const u8 iwl_bcast_addr[ETH_ALEN]; 716extern int iwl_rxq_stop(struct iwl_priv *priv); 717extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 718extern int iwl_queue_space(const struct iwl_queue *q); 719static inline int iwl_queue_used(const struct iwl_queue *q, int i) 720{ 721 return q->write_ptr >= q->read_ptr ? 722 (i >= q->read_ptr && i < q->write_ptr) : 723 !(i < q->read_ptr && i >= q->write_ptr); 724} 725 726 727static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 728{ 729 /* 730 * This is for init calibration result and scan command which 731 * required buffer > TFD_MAX_PAYLOAD_SIZE, 732 * the big buffer at end of command array 733 */ 734 if (is_huge) 735 return q->n_window; /* must be power of 2 */ 736 737 /* Otherwise, use normal size buffers */ 738 return index & (q->n_window - 1); 739} 740 741 742struct iwl_dma_ptr { 743 dma_addr_t dma; 744 void *addr; 745 size_t size; 746}; 747 748#define IWL_OPERATION_MODE_AUTO 0 749#define IWL_OPERATION_MODE_HT_ONLY 1 750#define IWL_OPERATION_MODE_MIXED 2 751#define IWL_OPERATION_MODE_20MHZ 3 752 753#define IWL_TX_CRC_SIZE 4 754#define IWL_TX_DELIMITER_SIZE 4 755 756#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 757 758/* Sensitivity and chain noise calibration */ 759#define INITIALIZATION_VALUE 0xFFFF 760#define IWL4965_CAL_NUM_BEACONS 20 761#define IWL_CAL_NUM_BEACONS 16 762#define MAXIMUM_ALLOWED_PATHLOSS 15 763 764#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 765 766#define MAX_FA_OFDM 50 767#define MIN_FA_OFDM 5 768#define MAX_FA_CCK 50 769#define MIN_FA_CCK 5 770 771#define AUTO_CORR_STEP_OFDM 1 772 773#define AUTO_CORR_STEP_CCK 3 774#define AUTO_CORR_MAX_TH_CCK 160 775 776#define NRG_DIFF 2 777#define NRG_STEP_CCK 2 778#define NRG_MARGIN 8 779#define MAX_NUMBER_CCK_NO_FA 100 780 781#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 782 783#define CHAIN_A 0 784#define CHAIN_B 1 785#define CHAIN_C 2 786#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 787#define ALL_BAND_FILTER 0xFF00 788#define IN_BAND_FILTER 0xFF 789#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 790 791#define NRG_NUM_PREV_STAT_L 20 792#define NUM_RX_CHAINS 3 793 794enum iwl4965_false_alarm_state { 795 IWL_FA_TOO_MANY = 0, 796 IWL_FA_TOO_FEW = 1, 797 IWL_FA_GOOD_RANGE = 2, 798}; 799 800enum iwl4965_chain_noise_state { 801 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 802 IWL_CHAIN_NOISE_ACCUMULATE, 803 IWL_CHAIN_NOISE_CALIBRATED, 804 IWL_CHAIN_NOISE_DONE, 805}; 806 807enum iwl4965_calib_enabled_state { 808 IWL_CALIB_DISABLED = 0, /* must be 0 */ 809 IWL_CALIB_ENABLED = 1, 810}; 811 812 813/* 814 * enum iwl_calib 815 * defines the order in which results of initial calibrations 816 * should be sent to the runtime uCode 817 */ 818enum iwl_calib { 819 IWL_CALIB_XTAL, 820 IWL_CALIB_DC, 821 IWL_CALIB_LO, 822 IWL_CALIB_TX_IQ, 823 IWL_CALIB_TX_IQ_PERD, 824 IWL_CALIB_BASE_BAND, 825 IWL_CALIB_MAX 826}; 827 828/* Opaque calibration results */ 829struct iwl_calib_result { 830 void *buf; 831 size_t buf_len; 832}; 833 834enum ucode_type { 835 UCODE_NONE = 0, 836 UCODE_INIT, 837 UCODE_RT 838}; 839 840/* Sensitivity calib data */ 841struct iwl_sensitivity_data { 842 u32 auto_corr_ofdm; 843 u32 auto_corr_ofdm_mrc; 844 u32 auto_corr_ofdm_x1; 845 u32 auto_corr_ofdm_mrc_x1; 846 u32 auto_corr_cck; 847 u32 auto_corr_cck_mrc; 848 849 u32 last_bad_plcp_cnt_ofdm; 850 u32 last_fa_cnt_ofdm; 851 u32 last_bad_plcp_cnt_cck; 852 u32 last_fa_cnt_cck; 853 854 u32 nrg_curr_state; 855 u32 nrg_prev_state; 856 u32 nrg_value[10]; 857 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 858 u32 nrg_silence_ref; 859 u32 nrg_energy_idx; 860 u32 nrg_silence_idx; 861 u32 nrg_th_cck; 862 s32 nrg_auto_corr_silence_diff; 863 u32 num_in_cck_no_fa; 864 u32 nrg_th_ofdm; 865 866 u16 barker_corr_th_min; 867 u16 barker_corr_th_min_mrc; 868 u16 nrg_th_cca; 869}; 870 871/* Chain noise (differential Rx gain) calib data */ 872struct iwl_chain_noise_data { 873 u32 active_chains; 874 u32 chain_noise_a; 875 u32 chain_noise_b; 876 u32 chain_noise_c; 877 u32 chain_signal_a; 878 u32 chain_signal_b; 879 u32 chain_signal_c; 880 u16 beacon_count; 881 u8 disconn_array[NUM_RX_CHAINS]; 882 u8 delta_gain_code[NUM_RX_CHAINS]; 883 u8 radio_write; 884 u8 state; 885}; 886 887#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 888#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 889 890#define IWL_TRAFFIC_ENTRIES (256) 891#define IWL_TRAFFIC_ENTRY_SIZE (64) 892 893enum { 894 MEASUREMENT_READY = (1 << 0), 895 MEASUREMENT_ACTIVE = (1 << 1), 896}; 897 898enum iwl_nvm_type { 899 NVM_DEVICE_TYPE_EEPROM = 0, 900 NVM_DEVICE_TYPE_OTP, 901}; 902 903/* 904 * Two types of OTP memory access modes 905 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 906 * based on physical memory addressing 907 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 908 * based on logical memory addressing 909 */ 910enum iwl_access_mode { 911 IWL_OTP_ACCESS_ABSOLUTE, 912 IWL_OTP_ACCESS_RELATIVE, 913}; 914 915/** 916 * enum iwl_pa_type - Power Amplifier type 917 * @IWL_PA_SYSTEM: based on uCode configuration 918 * @IWL_PA_INTERNAL: use Internal only 919 */ 920enum iwl_pa_type { 921 IWL_PA_SYSTEM = 0, 922 IWL_PA_INTERNAL = 1, 923}; 924 925/* interrupt statistics */ 926struct isr_statistics { 927 u32 hw; 928 u32 sw; 929 u32 sw_err; 930 u32 sch; 931 u32 alive; 932 u32 rfkill; 933 u32 ctkill; 934 u32 wakeup; 935 u32 rx; 936 u32 rx_handlers[REPLY_MAX]; 937 u32 tx; 938 u32 unhandled; 939}; 940 941#ifdef CONFIG_IWLWIFI_DEBUGFS 942/* management statistics */ 943enum iwl_mgmt_stats { 944 MANAGEMENT_ASSOC_REQ = 0, 945 MANAGEMENT_ASSOC_RESP, 946 MANAGEMENT_REASSOC_REQ, 947 MANAGEMENT_REASSOC_RESP, 948 MANAGEMENT_PROBE_REQ, 949 MANAGEMENT_PROBE_RESP, 950 MANAGEMENT_BEACON, 951 MANAGEMENT_ATIM, 952 MANAGEMENT_DISASSOC, 953 MANAGEMENT_AUTH, 954 MANAGEMENT_DEAUTH, 955 MANAGEMENT_ACTION, 956 MANAGEMENT_MAX, 957}; 958/* control statistics */ 959enum iwl_ctrl_stats { 960 CONTROL_BACK_REQ = 0, 961 CONTROL_BACK, 962 CONTROL_PSPOLL, 963 CONTROL_RTS, 964 CONTROL_CTS, 965 CONTROL_ACK, 966 CONTROL_CFEND, 967 CONTROL_CFENDACK, 968 CONTROL_MAX, 969}; 970 971struct traffic_stats { 972 u32 mgmt[MANAGEMENT_MAX]; 973 u32 ctrl[CONTROL_MAX]; 974 u32 data_cnt; 975 u64 data_bytes; 976}; 977#else 978struct traffic_stats { 979 u64 data_bytes; 980}; 981#endif 982 983/* 984 * iwl_switch_rxon: "channel switch" structure 985 * 986 * @ switch_in_progress: channel switch in progress 987 * @ channel: new channel 988 */ 989struct iwl_switch_rxon { 990 bool switch_in_progress; 991 __le16 channel; 992}; 993 994/* 995 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 996 * to perform continuous uCode event logging operation if enabled 997 */ 998#define UCODE_TRACE_PERIOD (100) 999 1000/* 1001 * iwl_event_log: current uCode event log position 1002 * 1003 * @ucode_trace: enable/disable ucode continuous trace timer 1004 * @num_wraps: how many times the event buffer wraps 1005 * @next_entry: the entry just before the next one that uCode would fill 1006 * @non_wraps_count: counter for no wrap detected when dump ucode events 1007 * @wraps_once_count: counter for wrap once detected when dump ucode events 1008 * @wraps_more_count: counter for wrap more than once detected 1009 * when dump ucode events 1010 */ 1011struct iwl_event_log { 1012 bool ucode_trace; 1013 u32 num_wraps; 1014 u32 next_entry; 1015 int non_wraps_count; 1016 int wraps_once_count; 1017 int wraps_more_count; 1018}; 1019 1020/* 1021 * host interrupt timeout value 1022 * used with setting interrupt coalescing timer 1023 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1024 * 1025 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1026 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1027 */ 1028#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 1029#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 1030#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 1031#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1032#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1033#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1034 1035/* 1036 * This is the threshold value of plcp error rate per 100mSecs. It is 1037 * used to set and check for the validity of plcp_delta. 1038 */ 1039#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (0) 1040#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 1041#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 1042#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1043#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1044 1045#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 1046#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1047 1048/* timer constants use to monitor and recover stuck tx queues in mSecs */ 1049#define IWL_MONITORING_PERIOD (1000) 1050#define IWL_ONE_HUNDRED_MSECS (100) 1051#define IWL_SIXTY_SECS (60000) 1052 1053enum iwl_reset { 1054 IWL_RF_RESET = 0, 1055 IWL_FW_RESET, 1056 IWL_MAX_FORCE_RESET, 1057}; 1058 1059struct iwl_force_reset { 1060 int reset_request_count; 1061 int reset_success_count; 1062 int reset_reject_count; 1063 unsigned long reset_duration; 1064 unsigned long last_force_reset_jiffies; 1065}; 1066 1067/* extend beacon time format bit shifting */ 1068/* 1069 * for _3945 devices 1070 * bits 31:24 - extended 1071 * bits 23:0 - interval 1072 */ 1073#define IWL3945_EXT_BEACON_TIME_POS 24 1074/* 1075 * for _agn devices 1076 * bits 31:22 - extended 1077 * bits 21:0 - interval 1078 */ 1079#define IWLAGN_EXT_BEACON_TIME_POS 22 1080 1081struct iwl_priv { 1082 1083 /* ieee device used by generic ieee processing code */ 1084 struct ieee80211_hw *hw; 1085 struct ieee80211_channel *ieee_channels; 1086 struct ieee80211_rate *ieee_rates; 1087 struct iwl_cfg *cfg; 1088 1089 /* temporary frame storage list */ 1090 struct list_head free_frames; 1091 int frames_count; 1092 1093 enum ieee80211_band band; 1094 int alloc_rxb_page; 1095 1096 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1097 struct iwl_rx_mem_buffer *rxb); 1098 1099 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1100 1101 /* spectrum measurement report caching */ 1102 struct iwl_spectrum_notification measure_report; 1103 u8 measurement_status; 1104 1105 /* ucode beacon time */ 1106 u32 ucode_beacon_time; 1107 int missed_beacon_threshold; 1108 1109 /* storing the jiffies when the plcp error rate is received */ 1110 unsigned long plcp_jiffies; 1111 1112 /* force reset */ 1113 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1114 1115 /* we allocate array of iwl_channel_info for NIC's valid channels. 1116 * Access via channel # using indirect index array */ 1117 struct iwl_channel_info *channel_info; /* channel info array */ 1118 u8 channel_count; /* # of channels */ 1119 1120 /* thermal calibration */ 1121 s32 temperature; /* degrees Kelvin */ 1122 s32 last_temperature; 1123 1124 /* init calibration results */ 1125 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1126 1127 /* Scan related variables */ 1128 unsigned long scan_start; 1129 unsigned long scan_start_tsf; 1130 void *scan_cmd; 1131 enum ieee80211_band scan_band; 1132 struct cfg80211_scan_request *scan_request; 1133 struct ieee80211_vif *scan_vif; 1134 bool is_internal_short_scan; 1135 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1136 u8 mgmt_tx_ant; 1137 1138 /* spinlock */ 1139 spinlock_t lock; /* protect general shared data */ 1140 spinlock_t hcmd_lock; /* protect hcmd */ 1141 spinlock_t reg_lock; /* protect hw register access */ 1142 struct mutex mutex; 1143 struct mutex sync_cmd_mutex; /* enable serialization of sync commands */ 1144 1145 /* basic pci-network driver stuff */ 1146 struct pci_dev *pci_dev; 1147 1148 /* pci hardware address support */ 1149 void __iomem *hw_base; 1150 u32 hw_rev; 1151 u32 hw_wa_rev; 1152 u8 rev_id; 1153 1154 /* uCode images, save to reload in case of failure */ 1155 int fw_index; /* firmware we're trying to load */ 1156 u32 ucode_ver; /* version of ucode, copy of 1157 iwl_ucode.ver */ 1158 struct fw_desc ucode_code; /* runtime inst */ 1159 struct fw_desc ucode_data; /* runtime data original */ 1160 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1161 struct fw_desc ucode_init; /* initialization inst */ 1162 struct fw_desc ucode_init_data; /* initialization data */ 1163 struct fw_desc ucode_boot; /* bootstrap inst */ 1164 enum ucode_type ucode_type; 1165 u8 ucode_write_complete; /* the image write is complete */ 1166 char firmware_name[25]; 1167 1168 1169 struct iwl_rxon_time_cmd rxon_timing; 1170 1171 /* We declare this const so it can only be 1172 * changed via explicit cast within the 1173 * routines that actually update the physical 1174 * hardware */ 1175 const struct iwl_rxon_cmd active_rxon; 1176 struct iwl_rxon_cmd staging_rxon; 1177 1178 struct iwl_switch_rxon switch_rxon; 1179 1180 /* 1st responses from initialize and runtime uCode images. 1181 * _agn's initialize alive response contains some calibration data. */ 1182 struct iwl_init_alive_resp card_alive_init; 1183 struct iwl_alive_resp card_alive; 1184 1185 unsigned long last_blink_time; 1186 u8 last_blink_rate; 1187 u8 allow_blinking; 1188 u64 led_tpt; 1189 1190 u16 active_rate; 1191 1192 u8 start_calib; 1193 struct iwl_sensitivity_data sensitivity_data; 1194 struct iwl_chain_noise_data chain_noise_data; 1195 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1196 1197 struct iwl_ht_config current_ht_config; 1198 1199 /* Rate scaling data */ 1200 u8 retry_rate; 1201 1202 wait_queue_head_t wait_command_queue; 1203 1204 int activity_timer_active; 1205 1206 /* Rx and Tx DMA processing queues */ 1207 struct iwl_rx_queue rxq; 1208 struct iwl_tx_queue *txq; 1209 unsigned long txq_ctx_active_msk; 1210 struct iwl_dma_ptr kw; /* keep warm address */ 1211 struct iwl_dma_ptr scd_bc_tbls; 1212 1213 u32 scd_base_addr; /* scheduler sram base address */ 1214 1215 unsigned long status; 1216 1217 /* counts mgmt, ctl, and data packets */ 1218 struct traffic_stats tx_stats; 1219 struct traffic_stats rx_stats; 1220 1221 /* counts interrupts */ 1222 struct isr_statistics isr_stats; 1223 1224 struct iwl_power_mgr power_data; 1225 struct iwl_tt_mgmt thermal_throttle; 1226 1227 struct iwl_notif_statistics statistics; 1228#ifdef CONFIG_IWLWIFI_DEBUGFS 1229 struct iwl_notif_statistics accum_statistics; 1230 struct iwl_notif_statistics delta_statistics; 1231 struct iwl_notif_statistics max_delta; 1232#endif 1233 1234 /* context information */ 1235 u8 bssid[ETH_ALEN]; /* used only on 3945 but filled by core */ 1236 1237 /* station table variables */ 1238 1239 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1240 spinlock_t sta_lock; 1241 int num_stations; 1242 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1243 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; /* protected by mutex */ 1244 u8 key_mapping_key; 1245 unsigned long ucode_key_table; 1246 1247 /* queue refcounts */ 1248#define IWL_MAX_HW_QUEUES 32 1249 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1250 /* for each AC */ 1251 atomic_t queue_stop_count[4]; 1252 1253 /* Indication if ieee80211_ops->open has been called */ 1254 u8 is_open; 1255 1256 u8 mac80211_registered; 1257 1258 /* eeprom -- this is in the card's little endian byte order */ 1259 u8 *eeprom; 1260 int nvm_device_type; 1261 struct iwl_eeprom_calib_info *calib_info; 1262 1263 enum nl80211_iftype iw_mode; 1264 1265 struct sk_buff *ibss_beacon; 1266 1267 /* Last Rx'd beacon timestamp */ 1268 u64 timestamp; 1269 struct ieee80211_vif *vif; 1270 1271 union { 1272#if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE) 1273 struct { 1274 void *shared_virt; 1275 dma_addr_t shared_phys; 1276 1277 struct delayed_work thermal_periodic; 1278 struct delayed_work rfkill_poll; 1279 1280 struct iwl3945_notif_statistics statistics; 1281#ifdef CONFIG_IWLWIFI_DEBUGFS 1282 struct iwl3945_notif_statistics accum_statistics; 1283 struct iwl3945_notif_statistics delta_statistics; 1284 struct iwl3945_notif_statistics max_delta; 1285#endif 1286 1287 u32 sta_supp_rates; 1288 int last_rx_rssi; /* From Rx packet statistics */ 1289 1290 /* Rx'd packet timing information */ 1291 u32 last_beacon_time; 1292 u64 last_tsf; 1293 1294 /* 1295 * each calibration channel group in the 1296 * EEPROM has a derived clip setting for 1297 * each rate. 1298 */ 1299 const struct iwl3945_clip_group clip_groups[5]; 1300 1301 } _3945; 1302#endif 1303#if defined(CONFIG_IWLAGN) || defined(CONFIG_IWLAGN_MODULE) 1304 struct { 1305 /* INT ICT Table */ 1306 __le32 *ict_tbl; 1307 void *ict_tbl_vir; 1308 dma_addr_t ict_tbl_dma; 1309 dma_addr_t aligned_ict_tbl_dma; 1310 int ict_index; 1311 u32 inta; 1312 bool use_ict; 1313 /* 1314 * reporting the number of tids has AGG on. 0 means 1315 * no AGGREGATION 1316 */ 1317 u8 agg_tids_count; 1318 1319 struct iwl_rx_phy_res last_phy_res; 1320 bool last_phy_res_valid; 1321 1322 struct completion firmware_loading_complete; 1323 1324 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1325 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1326 } _agn; 1327#endif 1328 }; 1329 1330 struct iwl_hw_params hw_params; 1331 1332 u32 inta_mask; 1333 1334 struct iwl_qos_info qos_data; 1335 1336 struct workqueue_struct *workqueue; 1337 1338 struct work_struct restart; 1339 struct work_struct scan_completed; 1340 struct work_struct rx_replenish; 1341 struct work_struct abort_scan; 1342 struct work_struct beacon_update; 1343 struct work_struct tt_work; 1344 struct work_struct ct_enter; 1345 struct work_struct ct_exit; 1346 struct work_struct start_internal_scan; 1347 1348 struct tasklet_struct irq_tasklet; 1349 1350 struct delayed_work init_alive_start; 1351 struct delayed_work alive_start; 1352 struct delayed_work scan_check; 1353 1354 /* TX Power */ 1355 s8 tx_power_user_lmt; 1356 s8 tx_power_device_lmt; 1357 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1358 1359 1360#ifdef CONFIG_IWLWIFI_DEBUG 1361 /* debugging info */ 1362 u32 debug_level; /* per device debugging will override global 1363 iwl_debug_level if set */ 1364#endif /* CONFIG_IWLWIFI_DEBUG */ 1365#ifdef CONFIG_IWLWIFI_DEBUGFS 1366 /* debugfs */ 1367 u16 tx_traffic_idx; 1368 u16 rx_traffic_idx; 1369 u8 *tx_traffic; 1370 u8 *rx_traffic; 1371 struct dentry *debugfs_dir; 1372 u32 dbgfs_sram_offset, dbgfs_sram_len; 1373 bool disable_ht40; 1374#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1375 1376 struct work_struct txpower_work; 1377 u32 disable_sens_cal; 1378 u32 disable_chain_noise_cal; 1379 u32 disable_tx_power_cal; 1380 struct work_struct run_time_calib_work; 1381 struct timer_list statistics_periodic; 1382 struct timer_list ucode_trace; 1383 struct timer_list monitor_recover; 1384 bool hw_ready; 1385 1386 struct iwl_event_log event_log; 1387}; /*iwl_priv */ 1388 1389static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1390{ 1391 set_bit(txq_id, &priv->txq_ctx_active_msk); 1392} 1393 1394static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1395{ 1396 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1397} 1398 1399#ifdef CONFIG_IWLWIFI_DEBUG 1400const char *iwl_get_tx_fail_reason(u32 status); 1401/* 1402 * iwl_get_debug_level: Return active debug level for device 1403 * 1404 * Using sysfs it is possible to set per device debug level. This debug 1405 * level will be used if set, otherwise the global debug level which can be 1406 * set via module parameter is used. 1407 */ 1408static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1409{ 1410 if (priv->debug_level) 1411 return priv->debug_level; 1412 else 1413 return iwl_debug_level; 1414} 1415#else 1416static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 1417 1418static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1419{ 1420 return iwl_debug_level; 1421} 1422#endif 1423 1424 1425static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1426 int txq_id, int idx) 1427{ 1428 if (priv->txq[txq_id].txb[idx].skb) 1429 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1430 txb[idx].skb->data; 1431 return NULL; 1432} 1433 1434 1435static inline int iwl_is_associated(struct iwl_priv *priv) 1436{ 1437 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1438} 1439 1440static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1441{ 1442 if (ch_info == NULL) 1443 return 0; 1444 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1445} 1446 1447static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1448{ 1449 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1450} 1451 1452static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1453{ 1454 return ch_info->band == IEEE80211_BAND_5GHZ; 1455} 1456 1457static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1458{ 1459 return ch_info->band == IEEE80211_BAND_2GHZ; 1460} 1461 1462static inline int is_channel_passive(const struct iwl_channel_info *ch) 1463{ 1464 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1465} 1466 1467static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1468{ 1469 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1470} 1471 1472static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1473{ 1474 __free_pages(page, priv->hw_params.rx_page_order); 1475 priv->alloc_rxb_page--; 1476} 1477 1478static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1479{ 1480 free_pages(page, priv->hw_params.rx_page_order); 1481 priv->alloc_rxb_page--; 1482} 1483#endif /* __iwl_dev_h__ */ 1484