iwl-dev.h revision 4b3e8062807822271e02aafc0432e9a2497cb46c
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 51/* configuration for the iwl4965 */ 52extern struct iwl_cfg iwl4965_agn_cfg; 53extern struct iwl_cfg iwl5300_agn_cfg; 54extern struct iwl_cfg iwl5100_agn_cfg; 55extern struct iwl_cfg iwl5350_agn_cfg; 56extern struct iwl_cfg iwl5100_bgn_cfg; 57extern struct iwl_cfg iwl5100_abg_cfg; 58extern struct iwl_cfg iwl5150_agn_cfg; 59extern struct iwl_cfg iwl5150_abg_cfg; 60extern struct iwl_cfg iwl6000i_2agn_cfg; 61extern struct iwl_cfg iwl6000g2i_2agn_cfg; 62extern struct iwl_cfg iwl6000i_2abg_cfg; 63extern struct iwl_cfg iwl6000i_2bg_cfg; 64extern struct iwl_cfg iwl6000_3agn_cfg; 65extern struct iwl_cfg iwl6050_2agn_cfg; 66extern struct iwl_cfg iwl6050_2abg_cfg; 67extern struct iwl_cfg iwl1000_bgn_cfg; 68extern struct iwl_cfg iwl1000_bg_cfg; 69 70struct iwl_tx_queue; 71 72/* CT-KILL constants */ 73#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 74#define CT_KILL_THRESHOLD 114 /* in Celsius */ 75#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 76 77/* Default noise level to report when noise measurement is not available. 78 * This may be because we're: 79 * 1) Not associated (4965, no beacon statistics being sent to driver) 80 * 2) Scanning (noise measurement does not apply to associated channel) 81 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 82 * Use default noise value of -127 ... this is below the range of measurable 83 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 84 * Also, -127 works better than 0 when averaging frames with/without 85 * noise info (e.g. averaging might be done in app); measured dBm values are 86 * always negative ... using a negative value as the default keeps all 87 * averages within an s8's (used in some apps) range of negative values. */ 88#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 89 90/* 91 * RTS threshold here is total size [2347] minus 4 FCS bytes 92 * Per spec: 93 * a value of 0 means RTS on all data/management packets 94 * a value > max MSDU size means no RTS 95 * else RTS for data/management frames where MPDU is larger 96 * than RTS value. 97 */ 98#define DEFAULT_RTS_THRESHOLD 2347U 99#define MIN_RTS_THRESHOLD 0U 100#define MAX_RTS_THRESHOLD 2347U 101#define MAX_MSDU_SIZE 2304U 102#define MAX_MPDU_SIZE 2346U 103#define DEFAULT_BEACON_INTERVAL 100U 104#define DEFAULT_SHORT_RETRY_LIMIT 7U 105#define DEFAULT_LONG_RETRY_LIMIT 4U 106 107struct iwl_rx_mem_buffer { 108 dma_addr_t page_dma; 109 struct page *page; 110 struct list_head list; 111}; 112 113#define rxb_addr(r) page_address(r->page) 114 115/* defined below */ 116struct iwl_device_cmd; 117 118struct iwl_cmd_meta { 119 /* only for SYNC commands, iff the reply skb is wanted */ 120 struct iwl_host_cmd *source; 121 /* 122 * only for ASYNC commands 123 * (which is somewhat stupid -- look at iwl-sta.c for instance 124 * which duplicates a bunch of code because the callback isn't 125 * invoked for SYNC commands, if it were and its result passed 126 * through it would be simpler...) 127 */ 128 void (*callback)(struct iwl_priv *priv, 129 struct iwl_device_cmd *cmd, 130 struct iwl_rx_packet *pkt); 131 132 /* The CMD_SIZE_HUGE flag bit indicates that the command 133 * structure is stored at the end of the shared queue memory. */ 134 u32 flags; 135 136 DECLARE_PCI_UNMAP_ADDR(mapping) 137 DECLARE_PCI_UNMAP_LEN(len) 138}; 139 140/* 141 * Generic queue structure 142 * 143 * Contains common data for Rx and Tx queues 144 */ 145struct iwl_queue { 146 int n_bd; /* number of BDs in this queue */ 147 int write_ptr; /* 1-st empty entry (index) host_w*/ 148 int read_ptr; /* last used entry (index) host_r*/ 149 /* use for monitoring and recovering the stuck queue */ 150 int last_read_ptr; /* storing the last read_ptr */ 151 /* number of time read_ptr and last_read_ptr are the same */ 152 u8 repeat_same_read_ptr; 153 dma_addr_t dma_addr; /* physical addr for BD's */ 154 int n_window; /* safe queue window */ 155 u32 id; 156 int low_mark; /* low watermark, resume queue if free 157 * space more than this */ 158 int high_mark; /* high watermark, stop queue if free 159 * space less than this */ 160} __attribute__ ((packed)); 161 162/* One for each TFD */ 163struct iwl_tx_info { 164 struct sk_buff *skb[IWL_NUM_OF_TBS - 1]; 165}; 166 167/** 168 * struct iwl_tx_queue - Tx Queue for DMA 169 * @q: generic Rx/Tx queue descriptor 170 * @bd: base of circular buffer of TFDs 171 * @cmd: array of command/TX buffer pointers 172 * @meta: array of meta data for each command/tx buffer 173 * @dma_addr_cmd: physical address of cmd/tx buffer array 174 * @txb: array of per-TFD driver data 175 * @need_update: indicates need to update read/write index 176 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 177 * 178 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 179 * descriptors) and required locking structures. 180 */ 181#define TFD_TX_CMD_SLOTS 256 182#define TFD_CMD_SLOTS 32 183 184struct iwl_tx_queue { 185 struct iwl_queue q; 186 void *tfds; 187 struct iwl_device_cmd **cmd; 188 struct iwl_cmd_meta *meta; 189 struct iwl_tx_info *txb; 190 u8 need_update; 191 u8 sched_retry; 192 u8 active; 193 u8 swq_id; 194}; 195 196#define IWL_NUM_SCAN_RATES (2) 197 198struct iwl4965_channel_tgd_info { 199 u8 type; 200 s8 max_power; 201}; 202 203struct iwl4965_channel_tgh_info { 204 s64 last_radar_time; 205}; 206 207#define IWL4965_MAX_RATE (33) 208 209struct iwl3945_clip_group { 210 /* maximum power level to prevent clipping for each rate, derived by 211 * us from this band's saturation power in EEPROM */ 212 const s8 clip_powers[IWL_MAX_RATES]; 213}; 214 215/* current Tx power values to use, one for each rate for each channel. 216 * requested power is limited by: 217 * -- regulatory EEPROM limits for this channel 218 * -- hardware capabilities (clip-powers) 219 * -- spectrum management 220 * -- user preference (e.g. iwconfig) 221 * when requested power is set, base power index must also be set. */ 222struct iwl3945_channel_power_info { 223 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 224 s8 power_table_index; /* actual (compenst'd) index into gain table */ 225 s8 base_power_index; /* gain index for power at factory temp. */ 226 s8 requested_power; /* power (dBm) requested for this chnl/rate */ 227}; 228 229/* current scan Tx power values to use, one for each scan rate for each 230 * channel. */ 231struct iwl3945_scan_power_info { 232 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 233 s8 power_table_index; /* actual (compenst'd) index into gain table */ 234 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ 235}; 236 237/* 238 * One for each channel, holds all channel setup data 239 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 240 * with one another! 241 */ 242struct iwl_channel_info { 243 struct iwl4965_channel_tgd_info tgd; 244 struct iwl4965_channel_tgh_info tgh; 245 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 246 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 247 * HT40 channel */ 248 249 u8 channel; /* channel number */ 250 u8 flags; /* flags copied from EEPROM */ 251 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 252 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 253 s8 min_power; /* always 0 */ 254 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 255 256 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 257 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 258 enum ieee80211_band band; 259 260 /* HT40 channel info */ 261 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 262 u8 ht40_flags; /* flags copied from EEPROM */ 263 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 264 265 /* Radio/DSP gain settings for each "normal" data Tx rate. 266 * These include, in addition to RF and DSP gain, a few fields for 267 * remembering/modifying gain settings (indexes). */ 268 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; 269 270 /* Radio/DSP gain settings for each scan rate, for directed scans. */ 271 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; 272}; 273 274#define IWL_TX_FIFO_BK 0 275#define IWL_TX_FIFO_BE 1 276#define IWL_TX_FIFO_VI 2 277#define IWL_TX_FIFO_VO 3 278#define IWL_TX_FIFO_UNUSED -1 279 280/* Minimum number of queues. MAX_NUM is defined in hw specific files. 281 * Set the minimum to accommodate the 4 standard TX queues, 1 command 282 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 283#define IWL_MIN_NUM_QUEUES 10 284 285/* 286 * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00, 287 * the driver maps it into the appropriate device FIFO for the 288 * uCode. 289 */ 290#define IWL_CMD_QUEUE_NUM 4 291 292/* Power management (not Tx power) structures */ 293 294enum iwl_pwr_src { 295 IWL_PWR_SRC_VMAIN, 296 IWL_PWR_SRC_VAUX, 297}; 298 299#define IEEE80211_DATA_LEN 2304 300#define IEEE80211_4ADDR_LEN 30 301#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 302#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 303 304struct iwl_frame { 305 union { 306 struct ieee80211_hdr frame; 307 struct iwl_tx_beacon_cmd beacon; 308 u8 raw[IEEE80211_FRAME_LEN]; 309 u8 cmd[360]; 310 } u; 311 struct list_head list; 312}; 313 314#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 315#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 316#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 317 318enum { 319 CMD_SYNC = 0, 320 CMD_SIZE_NORMAL = 0, 321 CMD_NO_SKB = 0, 322 CMD_SIZE_HUGE = (1 << 0), 323 CMD_ASYNC = (1 << 1), 324 CMD_WANT_SKB = (1 << 2), 325}; 326 327#define DEF_CMD_PAYLOAD_SIZE 320 328 329/** 330 * struct iwl_device_cmd 331 * 332 * For allocation of the command and tx queues, this establishes the overall 333 * size of the largest command we send to uCode, except for a scan command 334 * (which is relatively huge; space is allocated separately). 335 */ 336struct iwl_device_cmd { 337 struct iwl_cmd_header hdr; /* uCode API */ 338 union { 339 u32 flags; 340 u8 val8; 341 u16 val16; 342 u32 val32; 343 struct iwl_tx_cmd tx; 344 struct iwl6000_channel_switch_cmd chswitch; 345 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 346 } __attribute__ ((packed)) cmd; 347} __attribute__ ((packed)); 348 349#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 350 351 352struct iwl_host_cmd { 353 const void *data; 354 unsigned long reply_page; 355 void (*callback)(struct iwl_priv *priv, 356 struct iwl_device_cmd *cmd, 357 struct iwl_rx_packet *pkt); 358 u32 flags; 359 u16 len; 360 u8 id; 361}; 362 363#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 364#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 365#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 366 367/** 368 * struct iwl_rx_queue - Rx queue 369 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 370 * @dma_addr: bus address of buffer of receive buffer descriptors (rbd) 371 * @read: Shared index to newest available Rx buffer 372 * @write: Shared index to oldest written Rx packet 373 * @free_count: Number of pre-allocated buffers in rx_free 374 * @rx_free: list of free SKBs for use 375 * @rx_used: List of Rx buffers with no SKB 376 * @need_update: flag to indicate we need to update read/write index 377 * @rb_stts: driver's pointer to receive buffer status 378 * @rb_stts_dma: bus address of receive buffer status 379 * 380 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 381 */ 382struct iwl_rx_queue { 383 __le32 *bd; 384 dma_addr_t dma_addr; 385 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 386 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 387 u32 read; 388 u32 write; 389 u32 free_count; 390 u32 write_actual; 391 struct list_head rx_free; 392 struct list_head rx_used; 393 int need_update; 394 struct iwl_rb_status *rb_stts; 395 dma_addr_t rb_stts_dma; 396 spinlock_t lock; 397}; 398 399#define IWL_SUPPORTED_RATES_IE_LEN 8 400 401#define MAX_TID_COUNT 9 402 403#define IWL_INVALID_RATE 0xFF 404#define IWL_INVALID_VALUE -1 405 406/** 407 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 408 * @txq_id: Tx queue used for Tx attempt 409 * @frame_count: # frames attempted by Tx command 410 * @wait_for_ba: Expect block-ack before next Tx reply 411 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 412 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 413 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 414 * @rate_n_flags: Rate at which Tx was attempted 415 * 416 * If REPLY_TX indicates that aggregation was attempted, driver must wait 417 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 418 * until block ack arrives. 419 */ 420struct iwl_ht_agg { 421 u16 txq_id; 422 u16 frame_count; 423 u16 wait_for_ba; 424 u16 start_idx; 425 u64 bitmap; 426 u32 rate_n_flags; 427#define IWL_AGG_OFF 0 428#define IWL_AGG_ON 1 429#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 430#define IWL_EMPTYING_HW_QUEUE_DELBA 3 431 u8 state; 432}; 433 434 435struct iwl_tid_data { 436 u16 seq_number; 437 u16 tfds_in_queue; 438 struct iwl_ht_agg agg; 439}; 440 441struct iwl_hw_key { 442 enum ieee80211_key_alg alg; 443 int keylen; 444 u8 keyidx; 445 u8 key[32]; 446}; 447 448union iwl_ht_rate_supp { 449 u16 rates; 450 struct { 451 u8 siso_rate; 452 u8 mimo_rate; 453 }; 454}; 455 456#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) 457 458/* 459 * Maximal MPDU density for TX aggregation 460 * 4 - 2us density 461 * 5 - 4us density 462 * 6 - 8us density 463 * 7 - 16us density 464 */ 465#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 466#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 467 468struct iwl_ht_config { 469 /* self configuration data */ 470 bool is_ht; 471 bool is_40mhz; 472 bool single_chain_sufficient; 473 enum ieee80211_smps_mode smps; /* current smps mode */ 474 /* BSS related data */ 475 u8 extension_chan_offset; 476 u8 ht_protection; 477 u8 non_GF_STA_present; 478}; 479 480/* QoS structures */ 481struct iwl_qos_info { 482 int qos_active; 483 struct iwl_qosparam_cmd def_qos_parm; 484}; 485 486/* 487 * Structure should be accessed with sta_lock held. When station addition 488 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 489 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 490 * held. 491 */ 492struct iwl_station_entry { 493 struct iwl_addsta_cmd sta; 494 struct iwl_tid_data tid[MAX_TID_COUNT]; 495 u8 used; 496 struct iwl_hw_key keyinfo; 497 struct iwl_link_quality_cmd *lq; 498}; 499 500/* 501 * iwl_station_priv: Driver's private station information 502 * 503 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 504 * in the structure for use by driver. This structure is places in that 505 * space. 506 */ 507struct iwl_station_priv { 508 struct iwl_lq_sta lq_sta; 509 atomic_t pending_frames; 510 bool client; 511 bool asleep; 512}; 513 514/* one for each uCode image (inst/data, boot/init/runtime) */ 515struct fw_desc { 516 void *v_addr; /* access by driver */ 517 dma_addr_t p_addr; /* access by card's busmaster DMA */ 518 u32 len; /* bytes */ 519}; 520 521/* uCode file layout */ 522struct iwl_ucode_header { 523 __le32 ver; /* major/minor/API/serial */ 524 union { 525 struct { 526 __le32 inst_size; /* bytes of runtime code */ 527 __le32 data_size; /* bytes of runtime data */ 528 __le32 init_size; /* bytes of init code */ 529 __le32 init_data_size; /* bytes of init data */ 530 __le32 boot_size; /* bytes of bootstrap code */ 531 u8 data[0]; /* in same order as sizes */ 532 } v1; 533 struct { 534 __le32 build; /* build number */ 535 __le32 inst_size; /* bytes of runtime code */ 536 __le32 data_size; /* bytes of runtime data */ 537 __le32 init_size; /* bytes of init code */ 538 __le32 init_data_size; /* bytes of init data */ 539 __le32 boot_size; /* bytes of bootstrap code */ 540 u8 data[0]; /* in same order as sizes */ 541 } v2; 542 } u; 543}; 544#define UCODE_HEADER_SIZE(ver) ((ver) == 1 ? 24 : 28) 545 546struct iwl4965_ibss_seq { 547 u8 mac[ETH_ALEN]; 548 u16 seq_num; 549 u16 frag_num; 550 unsigned long packet_time; 551 struct list_head list; 552}; 553 554struct iwl_sensitivity_ranges { 555 u16 min_nrg_cck; 556 u16 max_nrg_cck; 557 558 u16 nrg_th_cck; 559 u16 nrg_th_ofdm; 560 561 u16 auto_corr_min_ofdm; 562 u16 auto_corr_min_ofdm_mrc; 563 u16 auto_corr_min_ofdm_x1; 564 u16 auto_corr_min_ofdm_mrc_x1; 565 566 u16 auto_corr_max_ofdm; 567 u16 auto_corr_max_ofdm_mrc; 568 u16 auto_corr_max_ofdm_x1; 569 u16 auto_corr_max_ofdm_mrc_x1; 570 571 u16 auto_corr_max_cck; 572 u16 auto_corr_max_cck_mrc; 573 u16 auto_corr_min_cck; 574 u16 auto_corr_min_cck_mrc; 575 576 u16 barker_corr_th_min; 577 u16 barker_corr_th_min_mrc; 578 u16 nrg_th_cca; 579}; 580 581 582#define KELVIN_TO_CELSIUS(x) ((x)-273) 583#define CELSIUS_TO_KELVIN(x) ((x)+273) 584 585 586/** 587 * struct iwl_hw_params 588 * @max_txq_num: Max # Tx queues supported 589 * @dma_chnl_num: Number of Tx DMA/FIFO channels 590 * @scd_bc_tbls_size: size of scheduler byte count tables 591 * @tfd_size: TFD size 592 * @tx/rx_chains_num: Number of TX/RX chains 593 * @valid_tx/rx_ant: usable antennas 594 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 595 * @max_rxq_log: Log-base-2 of max_rxq_size 596 * @rx_page_order: Rx buffer page order 597 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 598 * @max_stations: 599 * @bcast_sta_id: 600 * @ht40_channel: is 40MHz width possible in band 2.4 601 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 602 * @sw_crypto: 0 for hw, 1 for sw 603 * @max_xxx_size: for ucode uses 604 * @ct_kill_threshold: temperature threshold 605 * @calib_init_cfg: setup initial calibrations for the hw 606 * @struct iwl_sensitivity_ranges: range of sensitivity values 607 */ 608struct iwl_hw_params { 609 u8 max_txq_num; 610 u8 dma_chnl_num; 611 u16 scd_bc_tbls_size; 612 u32 tfd_size; 613 u8 tx_chains_num; 614 u8 rx_chains_num; 615 u8 valid_tx_ant; 616 u8 valid_rx_ant; 617 u16 max_rxq_size; 618 u16 max_rxq_log; 619 u32 rx_page_order; 620 u32 rx_wrt_ptr_reg; 621 u8 max_stations; 622 u8 bcast_sta_id; 623 u8 ht40_channel; 624 u8 max_beacon_itrvl; /* in 1024 ms */ 625 u32 max_inst_size; 626 u32 max_data_size; 627 u32 max_bsm_size; 628 u32 ct_kill_threshold; /* value in hw-dependent units */ 629 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 630 /* for 1000, 6000 series and up */ 631 u32 calib_init_cfg; 632 const struct iwl_sensitivity_ranges *sens; 633}; 634 635 636/****************************************************************************** 637 * 638 * Functions implemented in core module which are forward declared here 639 * for use by iwl-[4-5].c 640 * 641 * NOTE: The implementation of these functions are not hardware specific 642 * which is why they are in the core module files. 643 * 644 * Naming convention -- 645 * iwl_ <-- Is part of iwlwifi 646 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 647 * iwl4965_bg_ <-- Called from work queue context 648 * iwl4965_mac_ <-- mac80211 callback 649 * 650 ****************************************************************************/ 651extern void iwl_update_chain_flags(struct iwl_priv *priv); 652extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 653extern const u8 iwl_bcast_addr[ETH_ALEN]; 654extern int iwl_rxq_stop(struct iwl_priv *priv); 655extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 656extern int iwl_queue_space(const struct iwl_queue *q); 657static inline int iwl_queue_used(const struct iwl_queue *q, int i) 658{ 659 return q->write_ptr >= q->read_ptr ? 660 (i >= q->read_ptr && i < q->write_ptr) : 661 !(i < q->read_ptr && i >= q->write_ptr); 662} 663 664 665static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 666{ 667 /* 668 * This is for init calibration result and scan command which 669 * required buffer > TFD_MAX_PAYLOAD_SIZE, 670 * the big buffer at end of command array 671 */ 672 if (is_huge) 673 return q->n_window; /* must be power of 2 */ 674 675 /* Otherwise, use normal size buffers */ 676 return index & (q->n_window - 1); 677} 678 679 680struct iwl_dma_ptr { 681 dma_addr_t dma; 682 void *addr; 683 size_t size; 684}; 685 686#define IWL_OPERATION_MODE_AUTO 0 687#define IWL_OPERATION_MODE_HT_ONLY 1 688#define IWL_OPERATION_MODE_MIXED 2 689#define IWL_OPERATION_MODE_20MHZ 3 690 691#define IWL_TX_CRC_SIZE 4 692#define IWL_TX_DELIMITER_SIZE 4 693 694#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 695 696/* Sensitivity and chain noise calibration */ 697#define INITIALIZATION_VALUE 0xFFFF 698#define IWL4965_CAL_NUM_BEACONS 20 699#define IWL_CAL_NUM_BEACONS 16 700#define MAXIMUM_ALLOWED_PATHLOSS 15 701 702#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 703 704#define MAX_FA_OFDM 50 705#define MIN_FA_OFDM 5 706#define MAX_FA_CCK 50 707#define MIN_FA_CCK 5 708 709#define AUTO_CORR_STEP_OFDM 1 710 711#define AUTO_CORR_STEP_CCK 3 712#define AUTO_CORR_MAX_TH_CCK 160 713 714#define NRG_DIFF 2 715#define NRG_STEP_CCK 2 716#define NRG_MARGIN 8 717#define MAX_NUMBER_CCK_NO_FA 100 718 719#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 720 721#define CHAIN_A 0 722#define CHAIN_B 1 723#define CHAIN_C 2 724#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 725#define ALL_BAND_FILTER 0xFF00 726#define IN_BAND_FILTER 0xFF 727#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 728 729#define NRG_NUM_PREV_STAT_L 20 730#define NUM_RX_CHAINS 3 731 732enum iwl4965_false_alarm_state { 733 IWL_FA_TOO_MANY = 0, 734 IWL_FA_TOO_FEW = 1, 735 IWL_FA_GOOD_RANGE = 2, 736}; 737 738enum iwl4965_chain_noise_state { 739 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 740 IWL_CHAIN_NOISE_ACCUMULATE, 741 IWL_CHAIN_NOISE_CALIBRATED, 742 IWL_CHAIN_NOISE_DONE, 743}; 744 745enum iwl4965_calib_enabled_state { 746 IWL_CALIB_DISABLED = 0, /* must be 0 */ 747 IWL_CALIB_ENABLED = 1, 748}; 749 750 751/* 752 * enum iwl_calib 753 * defines the order in which results of initial calibrations 754 * should be sent to the runtime uCode 755 */ 756enum iwl_calib { 757 IWL_CALIB_XTAL, 758 IWL_CALIB_DC, 759 IWL_CALIB_LO, 760 IWL_CALIB_TX_IQ, 761 IWL_CALIB_TX_IQ_PERD, 762 IWL_CALIB_BASE_BAND, 763 IWL_CALIB_MAX 764}; 765 766/* Opaque calibration results */ 767struct iwl_calib_result { 768 void *buf; 769 size_t buf_len; 770}; 771 772enum ucode_type { 773 UCODE_NONE = 0, 774 UCODE_INIT, 775 UCODE_RT 776}; 777 778/* Sensitivity calib data */ 779struct iwl_sensitivity_data { 780 u32 auto_corr_ofdm; 781 u32 auto_corr_ofdm_mrc; 782 u32 auto_corr_ofdm_x1; 783 u32 auto_corr_ofdm_mrc_x1; 784 u32 auto_corr_cck; 785 u32 auto_corr_cck_mrc; 786 787 u32 last_bad_plcp_cnt_ofdm; 788 u32 last_fa_cnt_ofdm; 789 u32 last_bad_plcp_cnt_cck; 790 u32 last_fa_cnt_cck; 791 792 u32 nrg_curr_state; 793 u32 nrg_prev_state; 794 u32 nrg_value[10]; 795 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 796 u32 nrg_silence_ref; 797 u32 nrg_energy_idx; 798 u32 nrg_silence_idx; 799 u32 nrg_th_cck; 800 s32 nrg_auto_corr_silence_diff; 801 u32 num_in_cck_no_fa; 802 u32 nrg_th_ofdm; 803 804 u16 barker_corr_th_min; 805 u16 barker_corr_th_min_mrc; 806 u16 nrg_th_cca; 807}; 808 809/* Chain noise (differential Rx gain) calib data */ 810struct iwl_chain_noise_data { 811 u32 active_chains; 812 u32 chain_noise_a; 813 u32 chain_noise_b; 814 u32 chain_noise_c; 815 u32 chain_signal_a; 816 u32 chain_signal_b; 817 u32 chain_signal_c; 818 u16 beacon_count; 819 u8 disconn_array[NUM_RX_CHAINS]; 820 u8 delta_gain_code[NUM_RX_CHAINS]; 821 u8 radio_write; 822 u8 state; 823}; 824 825#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 826#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 827 828#define IWL_TRAFFIC_ENTRIES (256) 829#define IWL_TRAFFIC_ENTRY_SIZE (64) 830 831enum { 832 MEASUREMENT_READY = (1 << 0), 833 MEASUREMENT_ACTIVE = (1 << 1), 834}; 835 836enum iwl_nvm_type { 837 NVM_DEVICE_TYPE_EEPROM = 0, 838 NVM_DEVICE_TYPE_OTP, 839}; 840 841/* 842 * Two types of OTP memory access modes 843 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 844 * based on physical memory addressing 845 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 846 * based on logical memory addressing 847 */ 848enum iwl_access_mode { 849 IWL_OTP_ACCESS_ABSOLUTE, 850 IWL_OTP_ACCESS_RELATIVE, 851}; 852 853/** 854 * enum iwl_pa_type - Power Amplifier type 855 * @IWL_PA_SYSTEM: based on uCode configuration 856 * @IWL_PA_INTERNAL: use Internal only 857 */ 858enum iwl_pa_type { 859 IWL_PA_SYSTEM = 0, 860 IWL_PA_INTERNAL = 1, 861}; 862 863/* interrupt statistics */ 864struct isr_statistics { 865 u32 hw; 866 u32 sw; 867 u32 sw_err; 868 u32 sch; 869 u32 alive; 870 u32 rfkill; 871 u32 ctkill; 872 u32 wakeup; 873 u32 rx; 874 u32 rx_handlers[REPLY_MAX]; 875 u32 tx; 876 u32 unhandled; 877}; 878 879#ifdef CONFIG_IWLWIFI_DEBUGFS 880/* management statistics */ 881enum iwl_mgmt_stats { 882 MANAGEMENT_ASSOC_REQ = 0, 883 MANAGEMENT_ASSOC_RESP, 884 MANAGEMENT_REASSOC_REQ, 885 MANAGEMENT_REASSOC_RESP, 886 MANAGEMENT_PROBE_REQ, 887 MANAGEMENT_PROBE_RESP, 888 MANAGEMENT_BEACON, 889 MANAGEMENT_ATIM, 890 MANAGEMENT_DISASSOC, 891 MANAGEMENT_AUTH, 892 MANAGEMENT_DEAUTH, 893 MANAGEMENT_ACTION, 894 MANAGEMENT_MAX, 895}; 896/* control statistics */ 897enum iwl_ctrl_stats { 898 CONTROL_BACK_REQ = 0, 899 CONTROL_BACK, 900 CONTROL_PSPOLL, 901 CONTROL_RTS, 902 CONTROL_CTS, 903 CONTROL_ACK, 904 CONTROL_CFEND, 905 CONTROL_CFENDACK, 906 CONTROL_MAX, 907}; 908 909struct traffic_stats { 910 u32 mgmt[MANAGEMENT_MAX]; 911 u32 ctrl[CONTROL_MAX]; 912 u32 data_cnt; 913 u64 data_bytes; 914}; 915#else 916struct traffic_stats { 917 u64 data_bytes; 918}; 919#endif 920 921/* 922 * iwl_switch_rxon: "channel switch" structure 923 * 924 * @ switch_in_progress: channel switch in progress 925 * @ channel: new channel 926 */ 927struct iwl_switch_rxon { 928 bool switch_in_progress; 929 __le16 channel; 930}; 931 932/* 933 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 934 * to perform continuous uCode event logging operation if enabled 935 */ 936#define UCODE_TRACE_PERIOD (100) 937 938/* 939 * iwl_event_log: current uCode event log position 940 * 941 * @ucode_trace: enable/disable ucode continuous trace timer 942 * @num_wraps: how many times the event buffer wraps 943 * @next_entry: the entry just before the next one that uCode would fill 944 * @non_wraps_count: counter for no wrap detected when dump ucode events 945 * @wraps_once_count: counter for wrap once detected when dump ucode events 946 * @wraps_more_count: counter for wrap more than once detected 947 * when dump ucode events 948 */ 949struct iwl_event_log { 950 bool ucode_trace; 951 u32 num_wraps; 952 u32 next_entry; 953 int non_wraps_count; 954 int wraps_once_count; 955 int wraps_more_count; 956}; 957 958/* 959 * host interrupt timeout value 960 * used with setting interrupt coalescing timer 961 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 962 * 963 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 964 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 965 */ 966#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 967#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 968#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 969#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 970#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 971#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 972 973/* 974 * This is the threshold value of plcp error rate per 100mSecs. It is 975 * used to set and check for the validity of plcp_delta. 976 */ 977#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (0) 978#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 979#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 980#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 981#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 982 983#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 984#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 985 986/* timer constants use to monitor and recover stuck tx queues in mSecs */ 987#define IWL_MONITORING_PERIOD (1000) 988#define IWL_ONE_HUNDRED_MSECS (100) 989#define IWL_SIXTY_SECS (60000) 990 991enum iwl_reset { 992 IWL_RF_RESET = 0, 993 IWL_FW_RESET, 994 IWL_MAX_FORCE_RESET, 995}; 996 997struct iwl_force_reset { 998 int reset_request_count; 999 int reset_success_count; 1000 int reset_reject_count; 1001 unsigned long reset_duration; 1002 unsigned long last_force_reset_jiffies; 1003}; 1004 1005struct iwl_priv { 1006 1007 /* ieee device used by generic ieee processing code */ 1008 struct ieee80211_hw *hw; 1009 struct ieee80211_channel *ieee_channels; 1010 struct ieee80211_rate *ieee_rates; 1011 struct iwl_cfg *cfg; 1012 1013 /* temporary frame storage list */ 1014 struct list_head free_frames; 1015 int frames_count; 1016 1017 enum ieee80211_band band; 1018 int alloc_rxb_page; 1019 1020 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1021 struct iwl_rx_mem_buffer *rxb); 1022 1023 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1024 1025 /* spectrum measurement report caching */ 1026 struct iwl_spectrum_notification measure_report; 1027 u8 measurement_status; 1028 1029 /* ucode beacon time */ 1030 u32 ucode_beacon_time; 1031 int missed_beacon_threshold; 1032 1033 /* storing the jiffies when the plcp error rate is received */ 1034 unsigned long plcp_jiffies; 1035 1036 /* force reset */ 1037 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1038 1039 /* we allocate array of iwl4965_channel_info for NIC's valid channels. 1040 * Access via channel # using indirect index array */ 1041 struct iwl_channel_info *channel_info; /* channel info array */ 1042 u8 channel_count; /* # of channels */ 1043 1044 /* thermal calibration */ 1045 s32 temperature; /* degrees Kelvin */ 1046 s32 last_temperature; 1047 1048 /* init calibration results */ 1049 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1050 1051 /* Scan related variables */ 1052 unsigned long scan_start; 1053 unsigned long scan_start_tsf; 1054 void *scan_cmd; 1055 enum ieee80211_band scan_band; 1056 struct cfg80211_scan_request *scan_request; 1057 bool is_internal_short_scan; 1058 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1059 u8 mgmt_tx_ant; 1060 1061 /* spinlock */ 1062 spinlock_t lock; /* protect general shared data */ 1063 spinlock_t hcmd_lock; /* protect hcmd */ 1064 spinlock_t reg_lock; /* protect hw register access */ 1065 struct mutex mutex; 1066 struct mutex sync_cmd_mutex; /* enable serialization of sync commands */ 1067 1068 /* basic pci-network driver stuff */ 1069 struct pci_dev *pci_dev; 1070 1071 /* pci hardware address support */ 1072 void __iomem *hw_base; 1073 u32 hw_rev; 1074 u32 hw_wa_rev; 1075 u8 rev_id; 1076 1077 /* uCode images, save to reload in case of failure */ 1078 int fw_index; /* firmware we're trying to load */ 1079 u32 ucode_ver; /* version of ucode, copy of 1080 iwl_ucode.ver */ 1081 struct fw_desc ucode_code; /* runtime inst */ 1082 struct fw_desc ucode_data; /* runtime data original */ 1083 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1084 struct fw_desc ucode_init; /* initialization inst */ 1085 struct fw_desc ucode_init_data; /* initialization data */ 1086 struct fw_desc ucode_boot; /* bootstrap inst */ 1087 enum ucode_type ucode_type; 1088 u8 ucode_write_complete; /* the image write is complete */ 1089 char firmware_name[25]; 1090 1091 1092 struct iwl_rxon_time_cmd rxon_timing; 1093 1094 /* We declare this const so it can only be 1095 * changed via explicit cast within the 1096 * routines that actually update the physical 1097 * hardware */ 1098 const struct iwl_rxon_cmd active_rxon; 1099 struct iwl_rxon_cmd staging_rxon; 1100 1101 struct iwl_switch_rxon switch_rxon; 1102 1103 /* 1st responses from initialize and runtime uCode images. 1104 * 4965's initialize alive response contains some calibration data. */ 1105 struct iwl_init_alive_resp card_alive_init; 1106 struct iwl_alive_resp card_alive; 1107 1108 unsigned long last_blink_time; 1109 u8 last_blink_rate; 1110 u8 allow_blinking; 1111 u64 led_tpt; 1112 1113 u16 active_rate; 1114 1115 u8 start_calib; 1116 struct iwl_sensitivity_data sensitivity_data; 1117 struct iwl_chain_noise_data chain_noise_data; 1118 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1119 1120 struct iwl_ht_config current_ht_config; 1121 1122 /* Rate scaling data */ 1123 u8 retry_rate; 1124 1125 wait_queue_head_t wait_command_queue; 1126 1127 int activity_timer_active; 1128 1129 /* Rx and Tx DMA processing queues */ 1130 struct iwl_rx_queue rxq; 1131 struct iwl_tx_queue *txq; 1132 unsigned long txq_ctx_active_msk; 1133 struct iwl_dma_ptr kw; /* keep warm address */ 1134 struct iwl_dma_ptr scd_bc_tbls; 1135 1136 u32 scd_base_addr; /* scheduler sram base address */ 1137 1138 unsigned long status; 1139 1140 /* counts mgmt, ctl, and data packets */ 1141 struct traffic_stats tx_stats; 1142 struct traffic_stats rx_stats; 1143 1144 /* counts interrupts */ 1145 struct isr_statistics isr_stats; 1146 1147 struct iwl_power_mgr power_data; 1148 struct iwl_tt_mgmt thermal_throttle; 1149 1150 struct iwl_notif_statistics statistics; 1151#ifdef CONFIG_IWLWIFI_DEBUG 1152 struct iwl_notif_statistics accum_statistics; 1153 struct iwl_notif_statistics delta_statistics; 1154 struct iwl_notif_statistics max_delta; 1155#endif 1156 1157 /* context information */ 1158 u8 bssid[ETH_ALEN]; 1159 u16 rts_threshold; 1160 u8 mac_addr[ETH_ALEN]; 1161 1162 /*station table variables */ 1163 spinlock_t sta_lock; 1164 int num_stations; 1165 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1166 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; /* protected by mutex */ 1167 u8 key_mapping_key; 1168 unsigned long ucode_key_table; 1169 1170 /* queue refcounts */ 1171#define IWL_MAX_HW_QUEUES 32 1172 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1173 /* for each AC */ 1174 atomic_t queue_stop_count[4]; 1175 1176 /* Indication if ieee80211_ops->open has been called */ 1177 u8 is_open; 1178 1179 u8 mac80211_registered; 1180 1181 /* eeprom -- this is in the card's little endian byte order */ 1182 u8 *eeprom; 1183 int nvm_device_type; 1184 struct iwl_eeprom_calib_info *calib_info; 1185 1186 enum nl80211_iftype iw_mode; 1187 1188 struct sk_buff *ibss_beacon; 1189 1190 /* Last Rx'd beacon timestamp */ 1191 u64 timestamp; 1192 u16 beacon_int; 1193 struct ieee80211_vif *vif; 1194 1195 union { 1196#if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE) 1197 struct { 1198 void *shared_virt; 1199 dma_addr_t shared_phys; 1200 1201 struct delayed_work thermal_periodic; 1202 struct delayed_work rfkill_poll; 1203 1204 struct iwl3945_notif_statistics statistics; 1205 1206 u32 sta_supp_rates; 1207 int last_rx_rssi; /* From Rx packet statistics */ 1208 1209 /* Rx'd packet timing information */ 1210 u32 last_beacon_time; 1211 u64 last_tsf; 1212 1213 /* 1214 * each calibration channel group in the 1215 * EEPROM has a derived clip setting for 1216 * each rate. 1217 */ 1218 const struct iwl3945_clip_group clip_groups[5]; 1219 1220 } _3945; 1221#endif 1222#if defined(CONFIG_IWLAGN) || defined(CONFIG_IWLAGN_MODULE) 1223 struct { 1224 /* INT ICT Table */ 1225 __le32 *ict_tbl; 1226 void *ict_tbl_vir; 1227 dma_addr_t ict_tbl_dma; 1228 dma_addr_t aligned_ict_tbl_dma; 1229 int ict_index; 1230 u32 inta; 1231 bool use_ict; 1232 /* 1233 * reporting the number of tids has AGG on. 0 means 1234 * no AGGREGATION 1235 */ 1236 u8 agg_tids_count; 1237 1238 struct iwl_rx_phy_res last_phy_res; 1239 bool last_phy_res_valid; 1240 } _agn; 1241#endif 1242 }; 1243 1244 struct iwl_hw_params hw_params; 1245 1246 u32 inta_mask; 1247 /* Current association information needed to configure the 1248 * hardware */ 1249 u16 assoc_id; 1250 u16 assoc_capability; 1251 1252 struct iwl_qos_info qos_data; 1253 1254 struct workqueue_struct *workqueue; 1255 1256 struct work_struct restart; 1257 struct work_struct scan_completed; 1258 struct work_struct rx_replenish; 1259 struct work_struct abort_scan; 1260 struct work_struct beacon_update; 1261 struct work_struct tt_work; 1262 struct work_struct ct_enter; 1263 struct work_struct ct_exit; 1264 struct work_struct start_internal_scan; 1265 1266 struct tasklet_struct irq_tasklet; 1267 1268 struct delayed_work init_alive_start; 1269 struct delayed_work alive_start; 1270 struct delayed_work scan_check; 1271 1272 /* TX Power */ 1273 s8 tx_power_user_lmt; 1274 s8 tx_power_device_lmt; 1275 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1276 1277 1278#ifdef CONFIG_IWLWIFI_DEBUG 1279 /* debugging info */ 1280 u32 debug_level; /* per device debugging will override global 1281 iwl_debug_level if set */ 1282 u32 framecnt_to_us; 1283 atomic_t restrict_refcnt; 1284 bool disable_ht40; 1285#ifdef CONFIG_IWLWIFI_DEBUGFS 1286 /* debugfs */ 1287 u16 tx_traffic_idx; 1288 u16 rx_traffic_idx; 1289 u8 *tx_traffic; 1290 u8 *rx_traffic; 1291 struct dentry *debugfs_dir; 1292 u32 dbgfs_sram_offset, dbgfs_sram_len; 1293#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1294#endif /* CONFIG_IWLWIFI_DEBUG */ 1295 1296 struct work_struct txpower_work; 1297 u32 disable_sens_cal; 1298 u32 disable_chain_noise_cal; 1299 u32 disable_tx_power_cal; 1300 struct work_struct run_time_calib_work; 1301 struct timer_list statistics_periodic; 1302 struct timer_list ucode_trace; 1303 struct timer_list monitor_recover; 1304 bool hw_ready; 1305 1306 struct iwl_event_log event_log; 1307}; /*iwl_priv */ 1308 1309static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1310{ 1311 set_bit(txq_id, &priv->txq_ctx_active_msk); 1312} 1313 1314static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1315{ 1316 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1317} 1318 1319#ifdef CONFIG_IWLWIFI_DEBUG 1320const char *iwl_get_tx_fail_reason(u32 status); 1321/* 1322 * iwl_get_debug_level: Return active debug level for device 1323 * 1324 * Using sysfs it is possible to set per device debug level. This debug 1325 * level will be used if set, otherwise the global debug level which can be 1326 * set via module parameter is used. 1327 */ 1328static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1329{ 1330 if (priv->debug_level) 1331 return priv->debug_level; 1332 else 1333 return iwl_debug_level; 1334} 1335#else 1336static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 1337 1338static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1339{ 1340 return iwl_debug_level; 1341} 1342#endif 1343 1344 1345static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1346 int txq_id, int idx) 1347{ 1348 if (priv->txq[txq_id].txb[idx].skb[0]) 1349 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1350 txb[idx].skb[0]->data; 1351 return NULL; 1352} 1353 1354 1355static inline int iwl_is_associated(struct iwl_priv *priv) 1356{ 1357 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1358} 1359 1360static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1361{ 1362 if (ch_info == NULL) 1363 return 0; 1364 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1365} 1366 1367static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1368{ 1369 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1370} 1371 1372static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1373{ 1374 return ch_info->band == IEEE80211_BAND_5GHZ; 1375} 1376 1377static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1378{ 1379 return ch_info->band == IEEE80211_BAND_2GHZ; 1380} 1381 1382static inline int is_channel_passive(const struct iwl_channel_info *ch) 1383{ 1384 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1385} 1386 1387static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1388{ 1389 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1390} 1391 1392static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1393{ 1394 __free_pages(page, priv->hw_params.rx_page_order); 1395 priv->alloc_rxb_page--; 1396} 1397 1398static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1399{ 1400 free_pages(page, priv->hw_params.rx_page_order); 1401 priv->alloc_rxb_page--; 1402} 1403#endif /* __iwl_dev_h__ */ 1404