iwl-dev.h revision 332a4bad975616f33c2d1bf94c4ace2ea4113835
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * Intel Linux Wireless <ilw@linux.intel.com> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 *****************************************************************************/ 26/* 27 * Please use this file (iwl-dev.h) for driver implementation definitions. 28 * Please use iwl-commands.h for uCode API definitions. 29 */ 30 31#ifndef __iwl_dev_h__ 32#define __iwl_dev_h__ 33 34#include <linux/interrupt.h> 35#include <linux/pci.h> /* for struct pci_device_id */ 36#include <linux/kernel.h> 37#include <linux/wait.h> 38#include <linux/leds.h> 39#include <net/ieee80211_radiotap.h> 40 41#include "iwl-eeprom.h" 42#include "iwl-csr.h" 43#include "iwl-prph.h" 44#include "iwl-debug.h" 45#include "iwl-agn-hw.h" 46#include "iwl-led.h" 47#include "iwl-power.h" 48#include "iwl-agn-rs.h" 49#include "iwl-agn-tt.h" 50#include "iwl-bus.h" 51#include "iwl-trans.h" 52#include "iwl-shared.h" 53 54struct iwl_tx_queue; 55 56/* CT-KILL constants */ 57#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 58#define CT_KILL_THRESHOLD 114 /* in Celsius */ 59#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 60 61/* Default noise level to report when noise measurement is not available. 62 * This may be because we're: 63 * 1) Not associated (4965, no beacon statistics being sent to driver) 64 * 2) Scanning (noise measurement does not apply to associated channel) 65 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 66 * Use default noise value of -127 ... this is below the range of measurable 67 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 68 * Also, -127 works better than 0 when averaging frames with/without 69 * noise info (e.g. averaging might be done in app); measured dBm values are 70 * always negative ... using a negative value as the default keeps all 71 * averages within an s8's (used in some apps) range of negative values. */ 72#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 73 74/* 75 * RTS threshold here is total size [2347] minus 4 FCS bytes 76 * Per spec: 77 * a value of 0 means RTS on all data/management packets 78 * a value > max MSDU size means no RTS 79 * else RTS for data/management frames where MPDU is larger 80 * than RTS value. 81 */ 82#define DEFAULT_RTS_THRESHOLD 2347U 83#define MIN_RTS_THRESHOLD 0U 84#define MAX_RTS_THRESHOLD 2347U 85#define MAX_MSDU_SIZE 2304U 86#define MAX_MPDU_SIZE 2346U 87#define DEFAULT_BEACON_INTERVAL 200U 88#define DEFAULT_SHORT_RETRY_LIMIT 7U 89#define DEFAULT_LONG_RETRY_LIMIT 4U 90 91/* defined below */ 92struct iwl_device_cmd; 93 94struct iwl_cmd_meta { 95 /* only for SYNC commands, iff the reply skb is wanted */ 96 struct iwl_host_cmd *source; 97 /* 98 * only for ASYNC commands 99 * (which is somewhat stupid -- look at iwl-sta.c for instance 100 * which duplicates a bunch of code because the callback isn't 101 * invoked for SYNC commands, if it were and its result passed 102 * through it would be simpler...) 103 */ 104 void (*callback)(struct iwl_priv *priv, 105 struct iwl_device_cmd *cmd, 106 struct iwl_rx_packet *pkt); 107 108 u32 flags; 109 110 DEFINE_DMA_UNMAP_ADDR(mapping); 111 DEFINE_DMA_UNMAP_LEN(len); 112}; 113 114/* 115 * Generic queue structure 116 * 117 * Contains common data for Rx and Tx queues. 118 * 119 * Note the difference between n_bd and n_window: the hardware 120 * always assumes 256 descriptors, so n_bd is always 256 (unless 121 * there might be HW changes in the future). For the normal TX 122 * queues, n_window, which is the size of the software queue data 123 * is also 256; however, for the command queue, n_window is only 124 * 32 since we don't need so many commands pending. Since the HW 125 * still uses 256 BDs for DMA though, n_bd stays 256. As a result, 126 * the software buffers (in the variables @meta, @txb in struct 127 * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds 128 * in the same struct) have 256. 129 * This means that we end up with the following: 130 * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | 131 * SW entries: | 0 | ... | 31 | 132 * where N is a number between 0 and 7. This means that the SW 133 * data is a window overlayed over the HW queue. 134 */ 135struct iwl_queue { 136 int n_bd; /* number of BDs in this queue */ 137 int write_ptr; /* 1-st empty entry (index) host_w*/ 138 int read_ptr; /* last used entry (index) host_r*/ 139 /* use for monitoring and recovering the stuck queue */ 140 dma_addr_t dma_addr; /* physical addr for BD's */ 141 int n_window; /* safe queue window */ 142 u32 id; 143 int low_mark; /* low watermark, resume queue if free 144 * space more than this */ 145 int high_mark; /* high watermark, stop queue if free 146 * space less than this */ 147}; 148 149/* One for each TFD */ 150struct iwl_tx_info { 151 struct sk_buff *skb; 152 struct iwl_rxon_context *ctx; 153}; 154 155/** 156 * struct iwl_tx_queue - Tx Queue for DMA 157 * @q: generic Rx/Tx queue descriptor 158 * @bd: base of circular buffer of TFDs 159 * @cmd: array of command/TX buffer pointers 160 * @meta: array of meta data for each command/tx buffer 161 * @dma_addr_cmd: physical address of cmd/tx buffer array 162 * @txb: array of per-TFD driver data 163 * @time_stamp: time (in jiffies) of last read_ptr change 164 * @need_update: indicates need to update read/write index 165 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 166 * @sta_id: valid if sched_retry is set 167 * @tid: valid if sched_retry is set 168 * 169 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 170 * descriptors) and required locking structures. 171 */ 172#define TFD_TX_CMD_SLOTS 256 173#define TFD_CMD_SLOTS 32 174 175struct iwl_tx_queue { 176 struct iwl_queue q; 177 struct iwl_tfd *tfds; 178 struct iwl_device_cmd **cmd; 179 struct iwl_cmd_meta *meta; 180 struct iwl_tx_info *txb; 181 unsigned long time_stamp; 182 u8 need_update; 183 u8 sched_retry; 184 u8 active; 185 u8 swq_id; 186 187 u16 sta_id; 188 u16 tid; 189}; 190 191#define IWL_NUM_SCAN_RATES (2) 192 193/* 194 * One for each channel, holds all channel setup data 195 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 196 * with one another! 197 */ 198struct iwl_channel_info { 199 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 200 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 201 * HT40 channel */ 202 203 u8 channel; /* channel number */ 204 u8 flags; /* flags copied from EEPROM */ 205 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 206 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 207 s8 min_power; /* always 0 */ 208 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 209 210 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 211 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 212 enum ieee80211_band band; 213 214 /* HT40 channel info */ 215 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 216 u8 ht40_flags; /* flags copied from EEPROM */ 217 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 218}; 219 220#define IWL_TX_FIFO_BK 0 /* shared */ 221#define IWL_TX_FIFO_BE 1 222#define IWL_TX_FIFO_VI 2 /* shared */ 223#define IWL_TX_FIFO_VO 3 224#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 225#define IWL_TX_FIFO_BE_IPAN 4 226#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 227#define IWL_TX_FIFO_VO_IPAN 5 228/* re-uses the VO FIFO, uCode will properly flush/schedule */ 229#define IWL_TX_FIFO_AUX 5 230#define IWL_TX_FIFO_UNUSED -1 231 232/* AUX (TX during scan dwell) queue */ 233#define IWL_AUX_QUEUE 10 234 235/* 236 * Minimum number of queues. MAX_NUM is defined in hw specific files. 237 * Set the minimum to accommodate 238 * - 4 standard TX queues 239 * - the command queue 240 * - 4 PAN TX queues 241 * - the PAN multicast queue, and 242 * - the AUX (TX during scan dwell) queue. 243 */ 244#define IWL_MIN_NUM_QUEUES 11 245 246/* 247 * Command queue depends on iPAN support. 248 */ 249#define IWL_DEFAULT_CMD_QUEUE_NUM 4 250#define IWL_IPAN_CMD_QUEUE_NUM 9 251 252/* 253 * This queue number is required for proper operation 254 * because the ucode will stop/start the scheduler as 255 * required. 256 */ 257#define IWL_IPAN_MCAST_QUEUE 8 258 259#define IEEE80211_DATA_LEN 2304 260#define IEEE80211_4ADDR_LEN 30 261#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 262#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 263 264 265#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 266#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 267#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 268 269enum { 270 CMD_SYNC = 0, 271 CMD_ASYNC = BIT(0), 272 CMD_WANT_SKB = BIT(1), 273 CMD_ON_DEMAND = BIT(2), 274}; 275 276#define DEF_CMD_PAYLOAD_SIZE 320 277 278/** 279 * struct iwl_device_cmd 280 * 281 * For allocation of the command and tx queues, this establishes the overall 282 * size of the largest command we send to uCode, except for commands that 283 * aren't fully copied and use other TFD space. 284 */ 285struct iwl_device_cmd { 286 struct iwl_cmd_header hdr; /* uCode API */ 287 union { 288 u32 flags; 289 u8 val8; 290 u16 val16; 291 u32 val32; 292 struct iwl_tx_cmd tx; 293 struct iwl6000_channel_switch_cmd chswitch; 294 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 295 } __packed cmd; 296} __packed; 297 298#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 299 300#define IWL_MAX_CMD_TFDS 2 301 302enum iwl_hcmd_dataflag { 303 IWL_HCMD_DFL_NOCOPY = BIT(0), 304}; 305 306/** 307 * struct iwl_host_cmd - Host command to the uCode 308 * @data: array of chunks that composes the data of the host command 309 * @reply_page: pointer to the page that holds the response to the host command 310 * @callback: 311 * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC 312 * @len: array of the lenths of the chunks in data 313 * @dataflags: 314 * @id: id of the host command 315 */ 316struct iwl_host_cmd { 317 const void *data[IWL_MAX_CMD_TFDS]; 318 unsigned long reply_page; 319 void (*callback)(struct iwl_priv *priv, 320 struct iwl_device_cmd *cmd, 321 struct iwl_rx_packet *pkt); 322 u32 flags; 323 u16 len[IWL_MAX_CMD_TFDS]; 324 u8 dataflags[IWL_MAX_CMD_TFDS]; 325 u8 id; 326}; 327 328#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 329#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 330#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 331 332#define IWL_SUPPORTED_RATES_IE_LEN 8 333 334#define MAX_TID_COUNT 9 335 336#define IWL_INVALID_RATE 0xFF 337#define IWL_INVALID_VALUE -1 338 339/** 340 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 341 * @txq_id: Tx queue used for Tx attempt 342 * @frame_count: # frames attempted by Tx command 343 * @wait_for_ba: Expect block-ack before next Tx reply 344 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 345 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 346 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 347 * @rate_n_flags: Rate at which Tx was attempted 348 * 349 * If REPLY_TX indicates that aggregation was attempted, driver must wait 350 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 351 * until block ack arrives. 352 */ 353struct iwl_ht_agg { 354 u16 txq_id; 355 u16 frame_count; 356 u16 wait_for_ba; 357 u16 start_idx; 358 u64 bitmap; 359 u32 rate_n_flags; 360#define IWL_AGG_OFF 0 361#define IWL_AGG_ON 1 362#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 363#define IWL_EMPTYING_HW_QUEUE_DELBA 3 364 u8 state; 365 u8 tx_fifo; 366}; 367 368 369struct iwl_tid_data { 370 u16 seq_number; /* agn only */ 371 u16 tfds_in_queue; 372 struct iwl_ht_agg agg; 373}; 374 375union iwl_ht_rate_supp { 376 u16 rates; 377 struct { 378 u8 siso_rate; 379 u8 mimo_rate; 380 }; 381}; 382 383#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 384#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 385#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 386#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 387#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 388#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 389#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 390 391/* 392 * Maximal MPDU density for TX aggregation 393 * 4 - 2us density 394 * 5 - 4us density 395 * 6 - 8us density 396 * 7 - 16us density 397 */ 398#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 399#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 400#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 401#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 402#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 403#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 404#define CFG_HT_MPDU_DENSITY_MIN (0x1) 405 406struct iwl_ht_config { 407 bool single_chain_sufficient; 408 enum ieee80211_smps_mode smps; /* current smps mode */ 409}; 410 411/* QoS structures */ 412struct iwl_qos_info { 413 int qos_active; 414 struct iwl_qosparam_cmd def_qos_parm; 415}; 416 417/* 418 * Structure should be accessed with sta_lock held. When station addition 419 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 420 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 421 * held. 422 */ 423struct iwl_station_entry { 424 struct iwl_addsta_cmd sta; 425 struct iwl_tid_data tid[MAX_TID_COUNT]; 426 u8 used, ctxid; 427 struct iwl_link_quality_cmd *lq; 428}; 429 430struct iwl_station_priv_common { 431 struct iwl_rxon_context *ctx; 432 u8 sta_id; 433}; 434 435/* 436 * iwl_station_priv: Driver's private station information 437 * 438 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 439 * in the structure for use by driver. This structure is places in that 440 * space. 441 */ 442struct iwl_station_priv { 443 struct iwl_station_priv_common common; 444 struct iwl_lq_sta lq_sta; 445 atomic_t pending_frames; 446 bool client; 447 bool asleep; 448 u8 max_agg_bufsize; 449}; 450 451/** 452 * struct iwl_vif_priv - driver's private per-interface information 453 * 454 * When mac80211 allocates a virtual interface, it can allocate 455 * space for us to put data into. 456 */ 457struct iwl_vif_priv { 458 struct iwl_rxon_context *ctx; 459 u8 ibss_bssid_sta_id; 460}; 461 462/* one for each uCode image (inst/data, boot/init/runtime) */ 463struct fw_desc { 464 void *v_addr; /* access by driver */ 465 dma_addr_t p_addr; /* access by card's busmaster DMA */ 466 u32 len; /* bytes */ 467}; 468 469struct fw_img { 470 struct fw_desc code, data; 471}; 472 473/* v1/v2 uCode file layout */ 474struct iwl_ucode_header { 475 __le32 ver; /* major/minor/API/serial */ 476 union { 477 struct { 478 __le32 inst_size; /* bytes of runtime code */ 479 __le32 data_size; /* bytes of runtime data */ 480 __le32 init_size; /* bytes of init code */ 481 __le32 init_data_size; /* bytes of init data */ 482 __le32 boot_size; /* bytes of bootstrap code */ 483 u8 data[0]; /* in same order as sizes */ 484 } v1; 485 struct { 486 __le32 build; /* build number */ 487 __le32 inst_size; /* bytes of runtime code */ 488 __le32 data_size; /* bytes of runtime data */ 489 __le32 init_size; /* bytes of init code */ 490 __le32 init_data_size; /* bytes of init data */ 491 __le32 boot_size; /* bytes of bootstrap code */ 492 u8 data[0]; /* in same order as sizes */ 493 } v2; 494 } u; 495}; 496 497/* 498 * new TLV uCode file layout 499 * 500 * The new TLV file format contains TLVs, that each specify 501 * some piece of data. To facilitate "groups", for example 502 * different instruction image with different capabilities, 503 * bundled with the same init image, an alternative mechanism 504 * is provided: 505 * When the alternative field is 0, that means that the item 506 * is always valid. When it is non-zero, then it is only 507 * valid in conjunction with items of the same alternative, 508 * in which case the driver (user) selects one alternative 509 * to use. 510 */ 511 512enum iwl_ucode_tlv_type { 513 IWL_UCODE_TLV_INVALID = 0, /* unused */ 514 IWL_UCODE_TLV_INST = 1, 515 IWL_UCODE_TLV_DATA = 2, 516 IWL_UCODE_TLV_INIT = 3, 517 IWL_UCODE_TLV_INIT_DATA = 4, 518 IWL_UCODE_TLV_BOOT = 5, 519 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 520 IWL_UCODE_TLV_PAN = 7, 521 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 522 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 523 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 524 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 525 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 526 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 527 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 528 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 529 IWL_UCODE_TLV_WOWLAN_INST = 16, 530 IWL_UCODE_TLV_WOWLAN_DATA = 17, 531 IWL_UCODE_TLV_FLAGS = 18, 532}; 533 534/** 535 * enum iwl_ucode_tlv_flag - ucode API flags 536 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 537 * was a separate TLV but moved here to save space. 538 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, 539 * treats good CRC threshold as a boolean 540 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 541 * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. 542 */ 543enum iwl_ucode_tlv_flag { 544 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 545 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), 546 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 547 IWL_UCODE_TLV_FLAGS_P2P = BIT(3), 548}; 549 550struct iwl_ucode_tlv { 551 __le16 type; /* see above */ 552 __le16 alternative; /* see comment */ 553 __le32 length; /* not including type/length fields */ 554 u8 data[0]; 555} __packed; 556 557#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 558 559struct iwl_tlv_ucode_header { 560 /* 561 * The TLV style ucode header is distinguished from 562 * the v1/v2 style header by first four bytes being 563 * zero, as such is an invalid combination of 564 * major/minor/API/serial versions. 565 */ 566 __le32 zero; 567 __le32 magic; 568 u8 human_readable[64]; 569 __le32 ver; /* major/minor/API/serial */ 570 __le32 build; 571 __le64 alternatives; /* bitmask of valid alternatives */ 572 /* 573 * The data contained herein has a TLV layout, 574 * see above for the TLV header and types. 575 * Note that each TLV is padded to a length 576 * that is a multiple of 4 for alignment. 577 */ 578 u8 data[0]; 579}; 580 581struct iwl_sensitivity_ranges { 582 u16 min_nrg_cck; 583 u16 max_nrg_cck; 584 585 u16 nrg_th_cck; 586 u16 nrg_th_ofdm; 587 588 u16 auto_corr_min_ofdm; 589 u16 auto_corr_min_ofdm_mrc; 590 u16 auto_corr_min_ofdm_x1; 591 u16 auto_corr_min_ofdm_mrc_x1; 592 593 u16 auto_corr_max_ofdm; 594 u16 auto_corr_max_ofdm_mrc; 595 u16 auto_corr_max_ofdm_x1; 596 u16 auto_corr_max_ofdm_mrc_x1; 597 598 u16 auto_corr_max_cck; 599 u16 auto_corr_max_cck_mrc; 600 u16 auto_corr_min_cck; 601 u16 auto_corr_min_cck_mrc; 602 603 u16 barker_corr_th_min; 604 u16 barker_corr_th_min_mrc; 605 u16 nrg_th_cca; 606}; 607 608 609#define KELVIN_TO_CELSIUS(x) ((x)-273) 610#define CELSIUS_TO_KELVIN(x) ((x)+273) 611 612 613/****************************************************************************** 614 * 615 * Functions implemented in core module which are forward declared here 616 * for use by iwl-[4-5].c 617 * 618 * NOTE: The implementation of these functions are not hardware specific 619 * which is why they are in the core module files. 620 * 621 * Naming convention -- 622 * iwl_ <-- Is part of iwlwifi 623 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 624 * 625 ****************************************************************************/ 626extern void iwl_update_chain_flags(struct iwl_priv *priv); 627extern const u8 iwl_bcast_addr[ETH_ALEN]; 628extern int iwl_queue_space(const struct iwl_queue *q); 629static inline int iwl_queue_used(const struct iwl_queue *q, int i) 630{ 631 return q->write_ptr >= q->read_ptr ? 632 (i >= q->read_ptr && i < q->write_ptr) : 633 !(i < q->read_ptr && i >= q->write_ptr); 634} 635 636 637static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) 638{ 639 return index & (q->n_window - 1); 640} 641 642#define IWL_OPERATION_MODE_AUTO 0 643#define IWL_OPERATION_MODE_HT_ONLY 1 644#define IWL_OPERATION_MODE_MIXED 2 645#define IWL_OPERATION_MODE_20MHZ 3 646 647#define IWL_TX_CRC_SIZE 4 648#define IWL_TX_DELIMITER_SIZE 4 649 650#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 651 652/* Sensitivity and chain noise calibration */ 653#define INITIALIZATION_VALUE 0xFFFF 654#define IWL_CAL_NUM_BEACONS 16 655#define MAXIMUM_ALLOWED_PATHLOSS 15 656 657#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 658 659#define MAX_FA_OFDM 50 660#define MIN_FA_OFDM 5 661#define MAX_FA_CCK 50 662#define MIN_FA_CCK 5 663 664#define AUTO_CORR_STEP_OFDM 1 665 666#define AUTO_CORR_STEP_CCK 3 667#define AUTO_CORR_MAX_TH_CCK 160 668 669#define NRG_DIFF 2 670#define NRG_STEP_CCK 2 671#define NRG_MARGIN 8 672#define MAX_NUMBER_CCK_NO_FA 100 673 674#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 675 676#define CHAIN_A 0 677#define CHAIN_B 1 678#define CHAIN_C 2 679#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 680#define ALL_BAND_FILTER 0xFF00 681#define IN_BAND_FILTER 0xFF 682#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 683 684#define NRG_NUM_PREV_STAT_L 20 685#define NUM_RX_CHAINS 3 686 687enum iwlagn_false_alarm_state { 688 IWL_FA_TOO_MANY = 0, 689 IWL_FA_TOO_FEW = 1, 690 IWL_FA_GOOD_RANGE = 2, 691}; 692 693enum iwlagn_chain_noise_state { 694 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 695 IWL_CHAIN_NOISE_ACCUMULATE, 696 IWL_CHAIN_NOISE_CALIBRATED, 697 IWL_CHAIN_NOISE_DONE, 698}; 699 700 701/* 702 * enum iwl_calib 703 * defines the order in which results of initial calibrations 704 * should be sent to the runtime uCode 705 */ 706enum iwl_calib { 707 IWL_CALIB_XTAL, 708 IWL_CALIB_DC, 709 IWL_CALIB_LO, 710 IWL_CALIB_TX_IQ, 711 IWL_CALIB_TX_IQ_PERD, 712 IWL_CALIB_BASE_BAND, 713 IWL_CALIB_TEMP_OFFSET, 714 IWL_CALIB_MAX 715}; 716 717/* Opaque calibration results */ 718struct iwl_calib_result { 719 void *buf; 720 size_t buf_len; 721}; 722 723/* Sensitivity calib data */ 724struct iwl_sensitivity_data { 725 u32 auto_corr_ofdm; 726 u32 auto_corr_ofdm_mrc; 727 u32 auto_corr_ofdm_x1; 728 u32 auto_corr_ofdm_mrc_x1; 729 u32 auto_corr_cck; 730 u32 auto_corr_cck_mrc; 731 732 u32 last_bad_plcp_cnt_ofdm; 733 u32 last_fa_cnt_ofdm; 734 u32 last_bad_plcp_cnt_cck; 735 u32 last_fa_cnt_cck; 736 737 u32 nrg_curr_state; 738 u32 nrg_prev_state; 739 u32 nrg_value[10]; 740 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 741 u32 nrg_silence_ref; 742 u32 nrg_energy_idx; 743 u32 nrg_silence_idx; 744 u32 nrg_th_cck; 745 s32 nrg_auto_corr_silence_diff; 746 u32 num_in_cck_no_fa; 747 u32 nrg_th_ofdm; 748 749 u16 barker_corr_th_min; 750 u16 barker_corr_th_min_mrc; 751 u16 nrg_th_cca; 752}; 753 754/* Chain noise (differential Rx gain) calib data */ 755struct iwl_chain_noise_data { 756 u32 active_chains; 757 u32 chain_noise_a; 758 u32 chain_noise_b; 759 u32 chain_noise_c; 760 u32 chain_signal_a; 761 u32 chain_signal_b; 762 u32 chain_signal_c; 763 u16 beacon_count; 764 u8 disconn_array[NUM_RX_CHAINS]; 765 u8 delta_gain_code[NUM_RX_CHAINS]; 766 u8 radio_write; 767 u8 state; 768}; 769 770#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 771#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 772 773#define IWL_TRAFFIC_ENTRIES (256) 774#define IWL_TRAFFIC_ENTRY_SIZE (64) 775 776enum { 777 MEASUREMENT_READY = (1 << 0), 778 MEASUREMENT_ACTIVE = (1 << 1), 779}; 780 781enum iwl_nvm_type { 782 NVM_DEVICE_TYPE_EEPROM = 0, 783 NVM_DEVICE_TYPE_OTP, 784}; 785 786/* 787 * Two types of OTP memory access modes 788 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 789 * based on physical memory addressing 790 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 791 * based on logical memory addressing 792 */ 793enum iwl_access_mode { 794 IWL_OTP_ACCESS_ABSOLUTE, 795 IWL_OTP_ACCESS_RELATIVE, 796}; 797 798/** 799 * enum iwl_pa_type - Power Amplifier type 800 * @IWL_PA_SYSTEM: based on uCode configuration 801 * @IWL_PA_INTERNAL: use Internal only 802 */ 803enum iwl_pa_type { 804 IWL_PA_SYSTEM = 0, 805 IWL_PA_INTERNAL = 1, 806}; 807 808/* reply_tx_statistics (for _agn devices) */ 809struct reply_tx_error_statistics { 810 u32 pp_delay; 811 u32 pp_few_bytes; 812 u32 pp_bt_prio; 813 u32 pp_quiet_period; 814 u32 pp_calc_ttak; 815 u32 int_crossed_retry; 816 u32 short_limit; 817 u32 long_limit; 818 u32 fifo_underrun; 819 u32 drain_flow; 820 u32 rfkill_flush; 821 u32 life_expire; 822 u32 dest_ps; 823 u32 host_abort; 824 u32 bt_retry; 825 u32 sta_invalid; 826 u32 frag_drop; 827 u32 tid_disable; 828 u32 fifo_flush; 829 u32 insuff_cf_poll; 830 u32 fail_hw_drop; 831 u32 sta_color_mismatch; 832 u32 unknown; 833}; 834 835/* reply_agg_tx_statistics (for _agn devices) */ 836struct reply_agg_tx_error_statistics { 837 u32 underrun; 838 u32 bt_prio; 839 u32 few_bytes; 840 u32 abort; 841 u32 last_sent_ttl; 842 u32 last_sent_try; 843 u32 last_sent_bt_kill; 844 u32 scd_query; 845 u32 bad_crc32; 846 u32 response; 847 u32 dump_tx; 848 u32 delay_tx; 849 u32 unknown; 850}; 851 852/* management statistics */ 853enum iwl_mgmt_stats { 854 MANAGEMENT_ASSOC_REQ = 0, 855 MANAGEMENT_ASSOC_RESP, 856 MANAGEMENT_REASSOC_REQ, 857 MANAGEMENT_REASSOC_RESP, 858 MANAGEMENT_PROBE_REQ, 859 MANAGEMENT_PROBE_RESP, 860 MANAGEMENT_BEACON, 861 MANAGEMENT_ATIM, 862 MANAGEMENT_DISASSOC, 863 MANAGEMENT_AUTH, 864 MANAGEMENT_DEAUTH, 865 MANAGEMENT_ACTION, 866 MANAGEMENT_MAX, 867}; 868/* control statistics */ 869enum iwl_ctrl_stats { 870 CONTROL_BACK_REQ = 0, 871 CONTROL_BACK, 872 CONTROL_PSPOLL, 873 CONTROL_RTS, 874 CONTROL_CTS, 875 CONTROL_ACK, 876 CONTROL_CFEND, 877 CONTROL_CFENDACK, 878 CONTROL_MAX, 879}; 880 881struct traffic_stats { 882#ifdef CONFIG_IWLWIFI_DEBUGFS 883 u32 mgmt[MANAGEMENT_MAX]; 884 u32 ctrl[CONTROL_MAX]; 885 u32 data_cnt; 886 u64 data_bytes; 887#endif 888}; 889 890/* 891 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 892 * to perform continuous uCode event logging operation if enabled 893 */ 894#define UCODE_TRACE_PERIOD (100) 895 896/* 897 * iwl_event_log: current uCode event log position 898 * 899 * @ucode_trace: enable/disable ucode continuous trace timer 900 * @num_wraps: how many times the event buffer wraps 901 * @next_entry: the entry just before the next one that uCode would fill 902 * @non_wraps_count: counter for no wrap detected when dump ucode events 903 * @wraps_once_count: counter for wrap once detected when dump ucode events 904 * @wraps_more_count: counter for wrap more than once detected 905 * when dump ucode events 906 */ 907struct iwl_event_log { 908 bool ucode_trace; 909 u32 num_wraps; 910 u32 next_entry; 911 int non_wraps_count; 912 int wraps_once_count; 913 int wraps_more_count; 914}; 915 916/* 917 * host interrupt timeout value 918 * used with setting interrupt coalescing timer 919 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 920 * 921 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 922 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 923 */ 924#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 925#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 926#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 927#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 928#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 929#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 930 931/* 932 * This is the threshold value of plcp error rate per 100mSecs. It is 933 * used to set and check for the validity of plcp_delta. 934 */ 935#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 936#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 937#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 938#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 939#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 940#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 941 942#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 943#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 944 945/* TX queue watchdog timeouts in mSecs */ 946#define IWL_DEF_WD_TIMEOUT (2000) 947#define IWL_LONG_WD_TIMEOUT (10000) 948#define IWL_MAX_WD_TIMEOUT (120000) 949 950/* BT Antenna Coupling Threshold (dB) */ 951#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 952 953/* Firmware reload counter and Timestamp */ 954#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 955#define IWL_MAX_CONTINUE_RELOAD_CNT 4 956 957 958enum iwl_reset { 959 IWL_RF_RESET = 0, 960 IWL_FW_RESET, 961 IWL_MAX_FORCE_RESET, 962}; 963 964struct iwl_force_reset { 965 int reset_request_count; 966 int reset_success_count; 967 int reset_reject_count; 968 unsigned long reset_duration; 969 unsigned long last_force_reset_jiffies; 970}; 971 972/* extend beacon time format bit shifting */ 973/* 974 * for _agn devices 975 * bits 31:22 - extended 976 * bits 21:0 - interval 977 */ 978#define IWLAGN_EXT_BEACON_TIME_POS 22 979 980/** 981 * struct iwl_notification_wait - notification wait entry 982 * @list: list head for global list 983 * @fn: function called with the notification 984 * @cmd: command ID 985 * 986 * This structure is not used directly, to wait for a 987 * notification declare it on the stack, and call 988 * iwlagn_init_notification_wait() with appropriate 989 * parameters. Then do whatever will cause the ucode 990 * to notify the driver, and to wait for that then 991 * call iwlagn_wait_notification(). 992 * 993 * Each notification is one-shot. If at some point we 994 * need to support multi-shot notifications (which 995 * can't be allocated on the stack) we need to modify 996 * the code for them. 997 */ 998struct iwl_notification_wait { 999 struct list_head list; 1000 1001 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 1002 void *data); 1003 void *fn_data; 1004 1005 u8 cmd; 1006 bool triggered, aborted; 1007}; 1008 1009enum iwl_rxon_context_id { 1010 IWL_RXON_CTX_BSS, 1011 IWL_RXON_CTX_PAN, 1012 1013 NUM_IWL_RXON_CTX 1014}; 1015 1016struct iwl_rxon_context { 1017 struct ieee80211_vif *vif; 1018 1019 const u8 *ac_to_fifo; 1020 const u8 *ac_to_queue; 1021 u8 mcast_queue; 1022 1023 /* 1024 * We could use the vif to indicate active, but we 1025 * also need it to be active during disabling when 1026 * we already removed the vif for type setting. 1027 */ 1028 bool always_active, is_active; 1029 1030 bool ht_need_multiple_chains; 1031 1032 enum iwl_rxon_context_id ctxid; 1033 1034 u32 interface_modes, exclusive_interface_modes; 1035 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 1036 1037 /* 1038 * We declare this const so it can only be 1039 * changed via explicit cast within the 1040 * routines that actually update the physical 1041 * hardware. 1042 */ 1043 const struct iwl_rxon_cmd active; 1044 struct iwl_rxon_cmd staging; 1045 1046 struct iwl_rxon_time_cmd timing; 1047 1048 struct iwl_qos_info qos_data; 1049 1050 u8 bcast_sta_id, ap_sta_id; 1051 1052 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1053 u8 qos_cmd; 1054 u8 wep_key_cmd; 1055 1056 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1057 u8 key_mapping_keys; 1058 1059 __le32 station_flags; 1060 1061 int beacon_int; 1062 1063 struct { 1064 bool non_gf_sta_present; 1065 u8 protection; 1066 bool enabled, is_40mhz; 1067 u8 extension_chan_offset; 1068 } ht; 1069 1070 bool last_tx_rejected; 1071}; 1072 1073enum iwl_scan_type { 1074 IWL_SCAN_NORMAL, 1075 IWL_SCAN_RADIO_RESET, 1076 IWL_SCAN_ROC, 1077}; 1078 1079enum iwlagn_ucode_type { 1080 IWL_UCODE_NONE, 1081 IWL_UCODE_REGULAR, 1082 IWL_UCODE_INIT, 1083 IWL_UCODE_WOWLAN, 1084}; 1085 1086#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1087struct iwl_testmode_trace { 1088 u32 buff_size; 1089 u32 total_size; 1090 u32 num_chunks; 1091 u8 *cpu_addr; 1092 u8 *trace_addr; 1093 dma_addr_t dma_addr; 1094 bool trace_enabled; 1095}; 1096#endif 1097 1098/* uCode ownership */ 1099#define IWL_OWNERSHIP_DRIVER 0 1100#define IWL_OWNERSHIP_TM 1 1101 1102struct iwl_priv { 1103 1104 /*data shared among all the driver's layers */ 1105 struct iwl_shared _shrd; 1106 struct iwl_shared *shrd; 1107 1108 /* ieee device used by generic ieee processing code */ 1109 struct ieee80211_hw *hw; 1110 struct ieee80211_channel *ieee_channels; 1111 struct ieee80211_rate *ieee_rates; 1112 struct iwl_cfg *cfg; 1113 1114 enum ieee80211_band band; 1115 1116 void (*pre_rx_handler)(struct iwl_priv *priv, 1117 struct iwl_rx_mem_buffer *rxb); 1118 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1119 struct iwl_rx_mem_buffer *rxb); 1120 1121 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1122 1123 /* spectrum measurement report caching */ 1124 struct iwl_spectrum_notification measure_report; 1125 u8 measurement_status; 1126 1127 /* ucode beacon time */ 1128 u32 ucode_beacon_time; 1129 int missed_beacon_threshold; 1130 1131 /* track IBSS manager (last beacon) status */ 1132 u32 ibss_manager; 1133 1134 /* jiffies when last recovery from statistics was performed */ 1135 unsigned long rx_statistics_jiffies; 1136 1137 /*counters */ 1138 u32 rx_handlers_stats[REPLY_MAX]; 1139 1140 /* force reset */ 1141 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1142 1143 /* firmware reload counter and timestamp */ 1144 unsigned long reload_jiffies; 1145 int reload_count; 1146 1147 /* we allocate array of iwl_channel_info for NIC's valid channels. 1148 * Access via channel # using indirect index array */ 1149 struct iwl_channel_info *channel_info; /* channel info array */ 1150 u8 channel_count; /* # of channels */ 1151 1152 /* thermal calibration */ 1153 s32 temperature; /* degrees Kelvin */ 1154 s32 last_temperature; 1155 1156 /* init calibration results */ 1157 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1158 1159 /* Scan related variables */ 1160 unsigned long scan_start; 1161 unsigned long scan_start_tsf; 1162 void *scan_cmd; 1163 enum ieee80211_band scan_band; 1164 struct cfg80211_scan_request *scan_request; 1165 struct ieee80211_vif *scan_vif; 1166 enum iwl_scan_type scan_type; 1167 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1168 u8 mgmt_tx_ant; 1169 1170 /*TODO: remove these pointers - use bus(priv) instead */ 1171 struct iwl_bus *bus; /* bus specific data */ 1172 1173 /* microcode/device supports multiple contexts */ 1174 u8 valid_contexts; 1175 1176 /* max number of station keys */ 1177 u8 sta_key_max_num; 1178 1179 bool new_scan_threshold_behaviour; 1180 1181 /* EEPROM MAC addresses */ 1182 struct mac_address addresses[2]; 1183 1184 /* uCode images, save to reload in case of failure */ 1185 int fw_index; /* firmware we're trying to load */ 1186 u32 ucode_ver; /* version of ucode, copy of 1187 iwl_ucode.ver */ 1188 1189 /* uCode owner: default: IWL_OWNERSHIP_DRIVER */ 1190 u8 ucode_owner; 1191 1192 struct fw_img ucode_rt; 1193 struct fw_img ucode_init; 1194 struct fw_img ucode_wowlan; 1195 1196 enum iwlagn_ucode_type ucode_type; 1197 u8 ucode_write_complete; /* the image write is complete */ 1198 char firmware_name[25]; 1199 1200 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1201 1202 __le16 switch_channel; 1203 1204 struct { 1205 u32 error_event_table; 1206 u32 log_event_table; 1207 } device_pointers; 1208 1209 u16 active_rate; 1210 1211 u8 start_calib; 1212 struct iwl_sensitivity_data sensitivity_data; 1213 struct iwl_chain_noise_data chain_noise_data; 1214 bool enhance_sensitivity_table; 1215 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1216 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1217 1218 struct iwl_ht_config current_ht_config; 1219 1220 /* Rate scaling data */ 1221 u8 retry_rate; 1222 1223 wait_queue_head_t wait_command_queue; 1224 1225 int activity_timer_active; 1226 1227 /* Tx DMA processing queues */ 1228 struct iwl_tx_queue *txq; 1229 unsigned long txq_ctx_active_msk; 1230 1231 /* counts mgmt, ctl, and data packets */ 1232 struct traffic_stats tx_stats; 1233 struct traffic_stats rx_stats; 1234 1235 struct iwl_power_mgr power_data; 1236 struct iwl_tt_mgmt thermal_throttle; 1237 1238 /* station table variables */ 1239 int num_stations; 1240 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1241 unsigned long ucode_key_table; 1242 1243 /* queue refcounts */ 1244#define IWL_MAX_HW_QUEUES 32 1245 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1246 /* for each AC */ 1247 atomic_t queue_stop_count[4]; 1248 1249 /* Indication if ieee80211_ops->open has been called */ 1250 u8 is_open; 1251 1252 u8 mac80211_registered; 1253 1254 /* eeprom -- this is in the card's little endian byte order */ 1255 u8 *eeprom; 1256 int nvm_device_type; 1257 struct iwl_eeprom_calib_info *calib_info; 1258 1259 enum nl80211_iftype iw_mode; 1260 1261 /* Last Rx'd beacon timestamp */ 1262 u64 timestamp; 1263 1264 struct { 1265 __le32 flag; 1266 struct statistics_general_common common; 1267 struct statistics_rx_non_phy rx_non_phy; 1268 struct statistics_rx_phy rx_ofdm; 1269 struct statistics_rx_ht_phy rx_ofdm_ht; 1270 struct statistics_rx_phy rx_cck; 1271 struct statistics_tx tx; 1272#ifdef CONFIG_IWLWIFI_DEBUGFS 1273 struct statistics_bt_activity bt_activity; 1274 __le32 num_bt_kills, accum_num_bt_kills; 1275#endif 1276 } statistics; 1277#ifdef CONFIG_IWLWIFI_DEBUGFS 1278 struct { 1279 struct statistics_general_common common; 1280 struct statistics_rx_non_phy rx_non_phy; 1281 struct statistics_rx_phy rx_ofdm; 1282 struct statistics_rx_ht_phy rx_ofdm_ht; 1283 struct statistics_rx_phy rx_cck; 1284 struct statistics_tx tx; 1285 struct statistics_bt_activity bt_activity; 1286 } accum_stats, delta_stats, max_delta_stats; 1287#endif 1288 1289 /* 1290 * reporting the number of tids has AGG on. 0 means 1291 * no AGGREGATION 1292 */ 1293 u8 agg_tids_count; 1294 1295 struct iwl_rx_phy_res last_phy_res; 1296 bool last_phy_res_valid; 1297 1298 struct completion firmware_loading_complete; 1299 1300 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1301 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1302 1303 /* 1304 * chain noise reset and gain commands are the 1305 * two extra calibration commands follows the standard 1306 * phy calibration commands 1307 */ 1308 u8 phy_calib_chain_noise_reset_cmd; 1309 u8 phy_calib_chain_noise_gain_cmd; 1310 1311 /* counts reply_tx error */ 1312 struct reply_tx_error_statistics reply_tx_stats; 1313 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1314 /* notification wait support */ 1315 struct list_head notif_waits; 1316 spinlock_t notif_wait_lock; 1317 wait_queue_head_t notif_waitq; 1318 1319 /* remain-on-channel offload support */ 1320 struct ieee80211_channel *hw_roc_channel; 1321 struct delayed_work hw_roc_disable_work; 1322 enum nl80211_channel_type hw_roc_chantype; 1323 int hw_roc_duration; 1324 bool hw_roc_setup; 1325 1326 /* bt coex */ 1327 u8 bt_enable_flag; 1328 u8 bt_status; 1329 u8 bt_traffic_load, last_bt_traffic_load; 1330 bool bt_ch_announce; 1331 bool bt_full_concurrent; 1332 bool bt_ant_couple_ok; 1333 __le32 kill_ack_mask; 1334 __le32 kill_cts_mask; 1335 __le16 bt_valid; 1336 u16 bt_on_thresh; 1337 u16 bt_duration; 1338 u16 dynamic_frag_thresh; 1339 u8 bt_ci_compliance; 1340 struct work_struct bt_traffic_change_work; 1341 bool bt_enable_pspoll; 1342 struct iwl_rxon_context *cur_rssi_ctx; 1343 bool bt_is_sco; 1344 1345 struct work_struct restart; 1346 struct work_struct scan_completed; 1347 struct work_struct abort_scan; 1348 1349 struct work_struct beacon_update; 1350 struct iwl_rxon_context *beacon_ctx; 1351 struct sk_buff *beacon_skb; 1352 void *beacon_cmd; 1353 1354 struct work_struct tt_work; 1355 struct work_struct ct_enter; 1356 struct work_struct ct_exit; 1357 struct work_struct start_internal_scan; 1358 struct work_struct tx_flush; 1359 struct work_struct bt_full_concurrency; 1360 struct work_struct bt_runtime_config; 1361 1362 struct delayed_work scan_check; 1363 1364 /* TX Power */ 1365 s8 tx_power_user_lmt; 1366 s8 tx_power_device_lmt; 1367 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1368 s8 tx_power_next; 1369 1370#ifdef CONFIG_IWLWIFI_DEBUGFS 1371 /* debugfs */ 1372 u16 tx_traffic_idx; 1373 u16 rx_traffic_idx; 1374 u8 *tx_traffic; 1375 u8 *rx_traffic; 1376 struct dentry *debugfs_dir; 1377 u32 dbgfs_sram_offset, dbgfs_sram_len; 1378 bool disable_ht40; 1379 void *wowlan_sram; 1380#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1381 1382 struct work_struct txpower_work; 1383 u32 disable_sens_cal; 1384 u32 disable_chain_noise_cal; 1385 struct work_struct run_time_calib_work; 1386 struct timer_list statistics_periodic; 1387 struct timer_list ucode_trace; 1388 struct timer_list watchdog; 1389 1390 struct iwl_event_log event_log; 1391 1392 struct led_classdev led; 1393 unsigned long blink_on, blink_off; 1394 bool led_registered; 1395#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1396 struct iwl_testmode_trace testmode_trace; 1397 u32 tm_fixed_rate; 1398#endif 1399 1400 /* WoWLAN GTK rekey data */ 1401 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 1402 __le64 replay_ctr; 1403 __le16 last_seq_ctl; 1404 bool have_rekey_data; 1405}; /*iwl_priv */ 1406 1407static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1408{ 1409 set_bit(txq_id, &priv->txq_ctx_active_msk); 1410} 1411 1412static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1413{ 1414 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1415} 1416 1417extern struct iwl_mod_params iwlagn_mod_params; 1418 1419static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1420 int txq_id, int idx) 1421{ 1422 if (priv->txq[txq_id].txb[idx].skb) 1423 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1424 txb[idx].skb->data; 1425 return NULL; 1426} 1427 1428static inline struct iwl_rxon_context * 1429iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1430{ 1431 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1432 1433 return vif_priv->ctx; 1434} 1435 1436#define for_each_context(priv, ctx) \ 1437 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1438 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1439 if (priv->valid_contexts & BIT(ctx->ctxid)) 1440 1441static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1442{ 1443 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1444} 1445 1446static inline int iwl_is_associated(struct iwl_priv *priv, 1447 enum iwl_rxon_context_id ctxid) 1448{ 1449 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 1450} 1451 1452static inline int iwl_is_any_associated(struct iwl_priv *priv) 1453{ 1454 struct iwl_rxon_context *ctx; 1455 for_each_context(priv, ctx) 1456 if (iwl_is_associated_ctx(ctx)) 1457 return true; 1458 return false; 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 1493#endif /* __iwl_dev_h__ */ 1494