iwl-dev.h revision 3599d39a8525b01540e2c7ec8c5d0df0dd11d6cf
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * Intel Linux Wireless <ilw@linux.intel.com> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 *****************************************************************************/ 26/* 27 * Please use this file (iwl-dev.h) for driver implementation definitions. 28 * Please use iwl-commands.h for uCode API definitions. 29 */ 30 31#ifndef __iwl_dev_h__ 32#define __iwl_dev_h__ 33 34#include <linux/pci.h> /* for struct pci_device_id */ 35#include <linux/kernel.h> 36#include <linux/wait.h> 37#include <linux/leds.h> 38#include <net/ieee80211_radiotap.h> 39 40#include "iwl-eeprom.h" 41#include "iwl-csr.h" 42#include "iwl-prph.h" 43#include "iwl-fh.h" 44#include "iwl-debug.h" 45#include "iwl-agn-hw.h" 46#include "iwl-led.h" 47#include "iwl-power.h" 48#include "iwl-agn-rs.h" 49#include "iwl-agn-tt.h" 50 51#define DRV_NAME "iwlagn" 52 53struct iwl_tx_queue; 54 55/* CT-KILL constants */ 56#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 57#define CT_KILL_THRESHOLD 114 /* in Celsius */ 58#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 59 60/* Default noise level to report when noise measurement is not available. 61 * This may be because we're: 62 * 1) Not associated (4965, no beacon statistics being sent to driver) 63 * 2) Scanning (noise measurement does not apply to associated channel) 64 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 65 * Use default noise value of -127 ... this is below the range of measurable 66 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 67 * Also, -127 works better than 0 when averaging frames with/without 68 * noise info (e.g. averaging might be done in app); measured dBm values are 69 * always negative ... using a negative value as the default keeps all 70 * averages within an s8's (used in some apps) range of negative values. */ 71#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 72 73/* 74 * RTS threshold here is total size [2347] minus 4 FCS bytes 75 * Per spec: 76 * a value of 0 means RTS on all data/management packets 77 * a value > max MSDU size means no RTS 78 * else RTS for data/management frames where MPDU is larger 79 * than RTS value. 80 */ 81#define DEFAULT_RTS_THRESHOLD 2347U 82#define MIN_RTS_THRESHOLD 0U 83#define MAX_RTS_THRESHOLD 2347U 84#define MAX_MSDU_SIZE 2304U 85#define MAX_MPDU_SIZE 2346U 86#define DEFAULT_BEACON_INTERVAL 200U 87#define DEFAULT_SHORT_RETRY_LIMIT 7U 88#define DEFAULT_LONG_RETRY_LIMIT 4U 89 90struct iwl_rx_mem_buffer { 91 dma_addr_t page_dma; 92 struct page *page; 93 struct list_head list; 94}; 95 96#define rxb_addr(r) page_address(r->page) 97 98/* defined below */ 99struct iwl_device_cmd; 100 101struct iwl_cmd_meta { 102 /* only for SYNC commands, iff the reply skb is wanted */ 103 struct iwl_host_cmd *source; 104 /* 105 * only for ASYNC commands 106 * (which is somewhat stupid -- look at iwl-sta.c for instance 107 * which duplicates a bunch of code because the callback isn't 108 * invoked for SYNC commands, if it were and its result passed 109 * through it would be simpler...) 110 */ 111 void (*callback)(struct iwl_priv *priv, 112 struct iwl_device_cmd *cmd, 113 struct iwl_rx_packet *pkt); 114 115 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 * 126 * Note the difference between n_bd and n_window: the hardware 127 * always assumes 256 descriptors, so n_bd is always 256 (unless 128 * there might be HW changes in the future). For the normal TX 129 * queues, n_window, which is the size of the software queue data 130 * is also 256; however, for the command queue, n_window is only 131 * 32 since we don't need so many commands pending. Since the HW 132 * still uses 256 BDs for DMA though, n_bd stays 256. As a result, 133 * the software buffers (in the variables @meta, @txb in struct 134 * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds 135 * in the same struct) have 256. 136 * This means that we end up with the following: 137 * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | 138 * SW entries: | 0 | ... | 31 | 139 * where N is a number between 0 and 7. This means that the SW 140 * data is a window overlayed over the HW queue. 141 */ 142struct iwl_queue { 143 int n_bd; /* number of BDs in this queue */ 144 int write_ptr; /* 1-st empty entry (index) host_w*/ 145 int read_ptr; /* last used entry (index) host_r*/ 146 /* use for monitoring and recovering the stuck queue */ 147 dma_addr_t dma_addr; /* physical addr for BD's */ 148 int n_window; /* safe queue window */ 149 u32 id; 150 int low_mark; /* low watermark, resume queue if free 151 * space more than this */ 152 int high_mark; /* high watermark, stop queue if free 153 * space less than this */ 154}; 155 156/* One for each TFD */ 157struct iwl_tx_info { 158 struct sk_buff *skb; 159 struct iwl_rxon_context *ctx; 160}; 161 162/** 163 * struct iwl_tx_queue - Tx Queue for DMA 164 * @q: generic Rx/Tx queue descriptor 165 * @bd: base of circular buffer of TFDs 166 * @cmd: array of command/TX buffer pointers 167 * @meta: array of meta data for each command/tx buffer 168 * @dma_addr_cmd: physical address of cmd/tx buffer array 169 * @txb: array of per-TFD driver data 170 * @time_stamp: time (in jiffies) of last read_ptr change 171 * @need_update: indicates need to update read/write index 172 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 173 * 174 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 175 * descriptors) and required locking structures. 176 */ 177#define TFD_TX_CMD_SLOTS 256 178#define TFD_CMD_SLOTS 32 179 180struct iwl_tx_queue { 181 struct iwl_queue q; 182 struct iwl_tfd *tfds; 183 struct iwl_device_cmd **cmd; 184 struct iwl_cmd_meta *meta; 185 struct iwl_tx_info *txb; 186 unsigned long time_stamp; 187 u8 need_update; 188 u8 sched_retry; 189 u8 active; 190 u8 swq_id; 191}; 192 193#define IWL_NUM_SCAN_RATES (2) 194 195/* 196 * One for each channel, holds all channel setup data 197 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 198 * with one another! 199 */ 200struct iwl_channel_info { 201 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 202 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 203 * HT40 channel */ 204 205 u8 channel; /* channel number */ 206 u8 flags; /* flags copied from EEPROM */ 207 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 208 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 209 s8 min_power; /* always 0 */ 210 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 211 212 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 213 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 214 enum ieee80211_band band; 215 216 /* HT40 channel info */ 217 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 218 u8 ht40_flags; /* flags copied from EEPROM */ 219 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 220}; 221 222#define IWL_TX_FIFO_BK 0 /* shared */ 223#define IWL_TX_FIFO_BE 1 224#define IWL_TX_FIFO_VI 2 /* shared */ 225#define IWL_TX_FIFO_VO 3 226#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 227#define IWL_TX_FIFO_BE_IPAN 4 228#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 229#define IWL_TX_FIFO_VO_IPAN 5 230#define IWL_TX_FIFO_UNUSED -1 231 232/* Minimum number of queues. MAX_NUM is defined in hw specific files. 233 * Set the minimum to accommodate the 4 standard TX queues, 1 command 234 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 235#define IWL_MIN_NUM_QUEUES 10 236 237/* 238 * Command queue depends on iPAN support. 239 */ 240#define IWL_DEFAULT_CMD_QUEUE_NUM 4 241#define IWL_IPAN_CMD_QUEUE_NUM 9 242 243/* 244 * This queue number is required for proper operation 245 * because the ucode will stop/start the scheduler as 246 * required. 247 */ 248#define IWL_IPAN_MCAST_QUEUE 8 249 250#define IEEE80211_DATA_LEN 2304 251#define IEEE80211_4ADDR_LEN 30 252#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 253#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 254 255 256#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 257#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 258#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 259 260enum { 261 CMD_SYNC = 0, 262 CMD_SIZE_NORMAL = 0, 263 CMD_NO_SKB = 0, 264 CMD_ASYNC = (1 << 1), 265 CMD_WANT_SKB = (1 << 2), 266 CMD_MAPPED = (1 << 3), 267}; 268 269#define DEF_CMD_PAYLOAD_SIZE 320 270 271/** 272 * struct iwl_device_cmd 273 * 274 * For allocation of the command and tx queues, this establishes the overall 275 * size of the largest command we send to uCode, except for commands that 276 * aren't fully copied and use other TFD space. 277 */ 278struct iwl_device_cmd { 279 struct iwl_cmd_header hdr; /* uCode API */ 280 union { 281 u32 flags; 282 u8 val8; 283 u16 val16; 284 u32 val32; 285 struct iwl_tx_cmd tx; 286 struct iwl6000_channel_switch_cmd chswitch; 287 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 288 } __packed cmd; 289} __packed; 290 291#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 292 293#define IWL_MAX_CMD_TFDS 2 294 295enum iwl_hcmd_dataflag { 296 IWL_HCMD_DFL_NOCOPY = BIT(0), 297}; 298 299struct iwl_host_cmd { 300 const void *data[IWL_MAX_CMD_TFDS]; 301 unsigned long reply_page; 302 void (*callback)(struct iwl_priv *priv, 303 struct iwl_device_cmd *cmd, 304 struct iwl_rx_packet *pkt); 305 u32 flags; 306 u16 len[IWL_MAX_CMD_TFDS]; 307 u8 dataflags[IWL_MAX_CMD_TFDS]; 308 u8 id; 309}; 310 311#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 312#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 313#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 314 315/** 316 * struct iwl_rx_queue - Rx queue 317 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 318 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) 319 * @read: Shared index to newest available Rx buffer 320 * @write: Shared index to oldest written Rx packet 321 * @free_count: Number of pre-allocated buffers in rx_free 322 * @rx_free: list of free SKBs for use 323 * @rx_used: List of Rx buffers with no SKB 324 * @need_update: flag to indicate we need to update read/write index 325 * @rb_stts: driver's pointer to receive buffer status 326 * @rb_stts_dma: bus address of receive buffer status 327 * 328 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 329 */ 330struct iwl_rx_queue { 331 __le32 *bd; 332 dma_addr_t bd_dma; 333 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 334 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 335 u32 read; 336 u32 write; 337 u32 free_count; 338 u32 write_actual; 339 struct list_head rx_free; 340 struct list_head rx_used; 341 int need_update; 342 struct iwl_rb_status *rb_stts; 343 dma_addr_t rb_stts_dma; 344 spinlock_t lock; 345}; 346 347#define IWL_SUPPORTED_RATES_IE_LEN 8 348 349#define MAX_TID_COUNT 9 350 351#define IWL_INVALID_RATE 0xFF 352#define IWL_INVALID_VALUE -1 353 354/** 355 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 356 * @txq_id: Tx queue used for Tx attempt 357 * @frame_count: # frames attempted by Tx command 358 * @wait_for_ba: Expect block-ack before next Tx reply 359 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 360 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 361 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 362 * @rate_n_flags: Rate at which Tx was attempted 363 * 364 * If REPLY_TX indicates that aggregation was attempted, driver must wait 365 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 366 * until block ack arrives. 367 */ 368struct iwl_ht_agg { 369 u16 txq_id; 370 u16 frame_count; 371 u16 wait_for_ba; 372 u16 start_idx; 373 u64 bitmap; 374 u32 rate_n_flags; 375#define IWL_AGG_OFF 0 376#define IWL_AGG_ON 1 377#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 378#define IWL_EMPTYING_HW_QUEUE_DELBA 3 379 u8 state; 380 u8 tx_fifo; 381}; 382 383 384struct iwl_tid_data { 385 u16 seq_number; /* agn only */ 386 u16 tfds_in_queue; 387 struct iwl_ht_agg agg; 388}; 389 390struct iwl_hw_key { 391 u32 cipher; 392 int keylen; 393 u8 keyidx; 394 u8 key[32]; 395}; 396 397union iwl_ht_rate_supp { 398 u16 rates; 399 struct { 400 u8 siso_rate; 401 u8 mimo_rate; 402 }; 403}; 404 405#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 406#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 407#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 408#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 409#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 410#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 411#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 412 413/* 414 * Maximal MPDU density for TX aggregation 415 * 4 - 2us density 416 * 5 - 4us density 417 * 6 - 8us density 418 * 7 - 16us density 419 */ 420#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 421#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 422#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 423#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 424#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 425#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 426#define CFG_HT_MPDU_DENSITY_MIN (0x1) 427 428struct iwl_ht_config { 429 bool single_chain_sufficient; 430 enum ieee80211_smps_mode smps; /* current smps mode */ 431}; 432 433/* QoS structures */ 434struct iwl_qos_info { 435 int qos_active; 436 struct iwl_qosparam_cmd def_qos_parm; 437}; 438 439/* 440 * Structure should be accessed with sta_lock held. When station addition 441 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 442 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 443 * held. 444 */ 445struct iwl_station_entry { 446 struct iwl_addsta_cmd sta; 447 struct iwl_tid_data tid[MAX_TID_COUNT]; 448 u8 used, ctxid; 449 struct iwl_hw_key keyinfo; 450 struct iwl_link_quality_cmd *lq; 451}; 452 453struct iwl_station_priv_common { 454 struct iwl_rxon_context *ctx; 455 u8 sta_id; 456}; 457 458/* 459 * iwl_station_priv: Driver's private station information 460 * 461 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 462 * in the structure for use by driver. This structure is places in that 463 * space. 464 */ 465struct iwl_station_priv { 466 struct iwl_station_priv_common common; 467 struct iwl_lq_sta lq_sta; 468 atomic_t pending_frames; 469 bool client; 470 bool asleep; 471 u8 max_agg_bufsize; 472}; 473 474/** 475 * struct iwl_vif_priv - driver's private per-interface information 476 * 477 * When mac80211 allocates a virtual interface, it can allocate 478 * space for us to put data into. 479 */ 480struct iwl_vif_priv { 481 struct iwl_rxon_context *ctx; 482 u8 ibss_bssid_sta_id; 483}; 484 485/* one for each uCode image (inst/data, boot/init/runtime) */ 486struct fw_desc { 487 void *v_addr; /* access by driver */ 488 dma_addr_t p_addr; /* access by card's busmaster DMA */ 489 u32 len; /* bytes */ 490}; 491 492struct fw_img { 493 struct fw_desc code, data; 494}; 495 496/* v1/v2 uCode file layout */ 497struct iwl_ucode_header { 498 __le32 ver; /* major/minor/API/serial */ 499 union { 500 struct { 501 __le32 inst_size; /* bytes of runtime code */ 502 __le32 data_size; /* bytes of runtime data */ 503 __le32 init_size; /* bytes of init code */ 504 __le32 init_data_size; /* bytes of init data */ 505 __le32 boot_size; /* bytes of bootstrap code */ 506 u8 data[0]; /* in same order as sizes */ 507 } v1; 508 struct { 509 __le32 build; /* build number */ 510 __le32 inst_size; /* bytes of runtime code */ 511 __le32 data_size; /* bytes of runtime data */ 512 __le32 init_size; /* bytes of init code */ 513 __le32 init_data_size; /* bytes of init data */ 514 __le32 boot_size; /* bytes of bootstrap code */ 515 u8 data[0]; /* in same order as sizes */ 516 } v2; 517 } u; 518}; 519 520/* 521 * new TLV uCode file layout 522 * 523 * The new TLV file format contains TLVs, that each specify 524 * some piece of data. To facilitate "groups", for example 525 * different instruction image with different capabilities, 526 * bundled with the same init image, an alternative mechanism 527 * is provided: 528 * When the alternative field is 0, that means that the item 529 * is always valid. When it is non-zero, then it is only 530 * valid in conjunction with items of the same alternative, 531 * in which case the driver (user) selects one alternative 532 * to use. 533 */ 534 535enum iwl_ucode_tlv_type { 536 IWL_UCODE_TLV_INVALID = 0, /* unused */ 537 IWL_UCODE_TLV_INST = 1, 538 IWL_UCODE_TLV_DATA = 2, 539 IWL_UCODE_TLV_INIT = 3, 540 IWL_UCODE_TLV_INIT_DATA = 4, 541 IWL_UCODE_TLV_BOOT = 5, 542 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 543 IWL_UCODE_TLV_PAN = 7, 544 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 545 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 546 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 547 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 548 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 549 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 550 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 551 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 552 /* 16 and 17 reserved for future use */ 553 IWL_UCODE_TLV_FLAGS = 18, 554}; 555 556/** 557 * enum iwl_ucode_tlv_flag - ucode API flags 558 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 559 * was a separate TLV but moved here to save space. 560 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, 561 * treats good CRC threshold as a boolean 562 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 563 */ 564enum iwl_ucode_tlv_flag { 565 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 566 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), 567 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 568}; 569 570struct iwl_ucode_tlv { 571 __le16 type; /* see above */ 572 __le16 alternative; /* see comment */ 573 __le32 length; /* not including type/length fields */ 574 u8 data[0]; 575} __packed; 576 577#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 578 579struct iwl_tlv_ucode_header { 580 /* 581 * The TLV style ucode header is distinguished from 582 * the v1/v2 style header by first four bytes being 583 * zero, as such is an invalid combination of 584 * major/minor/API/serial versions. 585 */ 586 __le32 zero; 587 __le32 magic; 588 u8 human_readable[64]; 589 __le32 ver; /* major/minor/API/serial */ 590 __le32 build; 591 __le64 alternatives; /* bitmask of valid alternatives */ 592 /* 593 * The data contained herein has a TLV layout, 594 * see above for the TLV header and types. 595 * Note that each TLV is padded to a length 596 * that is a multiple of 4 for alignment. 597 */ 598 u8 data[0]; 599}; 600 601struct iwl_sensitivity_ranges { 602 u16 min_nrg_cck; 603 u16 max_nrg_cck; 604 605 u16 nrg_th_cck; 606 u16 nrg_th_ofdm; 607 608 u16 auto_corr_min_ofdm; 609 u16 auto_corr_min_ofdm_mrc; 610 u16 auto_corr_min_ofdm_x1; 611 u16 auto_corr_min_ofdm_mrc_x1; 612 613 u16 auto_corr_max_ofdm; 614 u16 auto_corr_max_ofdm_mrc; 615 u16 auto_corr_max_ofdm_x1; 616 u16 auto_corr_max_ofdm_mrc_x1; 617 618 u16 auto_corr_max_cck; 619 u16 auto_corr_max_cck_mrc; 620 u16 auto_corr_min_cck; 621 u16 auto_corr_min_cck_mrc; 622 623 u16 barker_corr_th_min; 624 u16 barker_corr_th_min_mrc; 625 u16 nrg_th_cca; 626}; 627 628 629#define KELVIN_TO_CELSIUS(x) ((x)-273) 630#define CELSIUS_TO_KELVIN(x) ((x)+273) 631 632 633/** 634 * struct iwl_hw_params 635 * @max_txq_num: Max # Tx queues supported 636 * @dma_chnl_num: Number of Tx DMA/FIFO channels 637 * @scd_bc_tbls_size: size of scheduler byte count tables 638 * @tfd_size: TFD size 639 * @tx/rx_chains_num: Number of TX/RX chains 640 * @valid_tx/rx_ant: usable antennas 641 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 642 * @max_rxq_log: Log-base-2 of max_rxq_size 643 * @rx_page_order: Rx buffer page order 644 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 645 * @max_stations: 646 * @ht40_channel: is 40MHz width possible in band 2.4 647 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 648 * @sw_crypto: 0 for hw, 1 for sw 649 * @max_xxx_size: for ucode uses 650 * @ct_kill_threshold: temperature threshold 651 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time 652 * @calib_init_cfg: setup initial calibrations for the hw 653 * @calib_rt_cfg: setup runtime calibrations for the hw 654 * @struct iwl_sensitivity_ranges: range of sensitivity values 655 */ 656struct iwl_hw_params { 657 u8 max_txq_num; 658 u8 dma_chnl_num; 659 u16 scd_bc_tbls_size; 660 u32 tfd_size; 661 u8 tx_chains_num; 662 u8 rx_chains_num; 663 u8 valid_tx_ant; 664 u8 valid_rx_ant; 665 u16 max_rxq_size; 666 u16 max_rxq_log; 667 u32 rx_page_order; 668 u32 rx_wrt_ptr_reg; 669 u8 max_stations; 670 u8 ht40_channel; 671 u8 max_beacon_itrvl; /* in 1024 ms */ 672 u32 max_inst_size; 673 u32 max_data_size; 674 u32 ct_kill_threshold; /* value in hw-dependent units */ 675 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 676 /* for 1000, 6000 series and up */ 677 u16 beacon_time_tsf_bits; 678 u32 calib_init_cfg; 679 u32 calib_rt_cfg; 680 const struct iwl_sensitivity_ranges *sens; 681}; 682 683 684/****************************************************************************** 685 * 686 * Functions implemented in core module which are forward declared here 687 * for use by iwl-[4-5].c 688 * 689 * NOTE: The implementation of these functions are not hardware specific 690 * which is why they are in the core module files. 691 * 692 * Naming convention -- 693 * iwl_ <-- Is part of iwlwifi 694 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 695 * 696 ****************************************************************************/ 697extern void iwl_update_chain_flags(struct iwl_priv *priv); 698extern const u8 iwl_bcast_addr[ETH_ALEN]; 699extern int iwl_rxq_stop(struct iwl_priv *priv); 700extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 701extern int iwl_queue_space(const struct iwl_queue *q); 702static inline int iwl_queue_used(const struct iwl_queue *q, int i) 703{ 704 return q->write_ptr >= q->read_ptr ? 705 (i >= q->read_ptr && i < q->write_ptr) : 706 !(i < q->read_ptr && i >= q->write_ptr); 707} 708 709 710static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) 711{ 712 return index & (q->n_window - 1); 713} 714 715 716struct iwl_dma_ptr { 717 dma_addr_t dma; 718 void *addr; 719 size_t size; 720}; 721 722#define IWL_OPERATION_MODE_AUTO 0 723#define IWL_OPERATION_MODE_HT_ONLY 1 724#define IWL_OPERATION_MODE_MIXED 2 725#define IWL_OPERATION_MODE_20MHZ 3 726 727#define IWL_TX_CRC_SIZE 4 728#define IWL_TX_DELIMITER_SIZE 4 729 730#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 731 732/* Sensitivity and chain noise calibration */ 733#define INITIALIZATION_VALUE 0xFFFF 734#define IWL_CAL_NUM_BEACONS 16 735#define MAXIMUM_ALLOWED_PATHLOSS 15 736 737#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 738 739#define MAX_FA_OFDM 50 740#define MIN_FA_OFDM 5 741#define MAX_FA_CCK 50 742#define MIN_FA_CCK 5 743 744#define AUTO_CORR_STEP_OFDM 1 745 746#define AUTO_CORR_STEP_CCK 3 747#define AUTO_CORR_MAX_TH_CCK 160 748 749#define NRG_DIFF 2 750#define NRG_STEP_CCK 2 751#define NRG_MARGIN 8 752#define MAX_NUMBER_CCK_NO_FA 100 753 754#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 755 756#define CHAIN_A 0 757#define CHAIN_B 1 758#define CHAIN_C 2 759#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 760#define ALL_BAND_FILTER 0xFF00 761#define IN_BAND_FILTER 0xFF 762#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 763 764#define NRG_NUM_PREV_STAT_L 20 765#define NUM_RX_CHAINS 3 766 767enum iwlagn_false_alarm_state { 768 IWL_FA_TOO_MANY = 0, 769 IWL_FA_TOO_FEW = 1, 770 IWL_FA_GOOD_RANGE = 2, 771}; 772 773enum iwlagn_chain_noise_state { 774 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 775 IWL_CHAIN_NOISE_ACCUMULATE, 776 IWL_CHAIN_NOISE_CALIBRATED, 777 IWL_CHAIN_NOISE_DONE, 778}; 779 780 781/* 782 * enum iwl_calib 783 * defines the order in which results of initial calibrations 784 * should be sent to the runtime uCode 785 */ 786enum iwl_calib { 787 IWL_CALIB_XTAL, 788 IWL_CALIB_DC, 789 IWL_CALIB_LO, 790 IWL_CALIB_TX_IQ, 791 IWL_CALIB_TX_IQ_PERD, 792 IWL_CALIB_BASE_BAND, 793 IWL_CALIB_TEMP_OFFSET, 794 IWL_CALIB_MAX 795}; 796 797/* Opaque calibration results */ 798struct iwl_calib_result { 799 void *buf; 800 size_t buf_len; 801}; 802 803/* Sensitivity calib data */ 804struct iwl_sensitivity_data { 805 u32 auto_corr_ofdm; 806 u32 auto_corr_ofdm_mrc; 807 u32 auto_corr_ofdm_x1; 808 u32 auto_corr_ofdm_mrc_x1; 809 u32 auto_corr_cck; 810 u32 auto_corr_cck_mrc; 811 812 u32 last_bad_plcp_cnt_ofdm; 813 u32 last_fa_cnt_ofdm; 814 u32 last_bad_plcp_cnt_cck; 815 u32 last_fa_cnt_cck; 816 817 u32 nrg_curr_state; 818 u32 nrg_prev_state; 819 u32 nrg_value[10]; 820 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 821 u32 nrg_silence_ref; 822 u32 nrg_energy_idx; 823 u32 nrg_silence_idx; 824 u32 nrg_th_cck; 825 s32 nrg_auto_corr_silence_diff; 826 u32 num_in_cck_no_fa; 827 u32 nrg_th_ofdm; 828 829 u16 barker_corr_th_min; 830 u16 barker_corr_th_min_mrc; 831 u16 nrg_th_cca; 832}; 833 834/* Chain noise (differential Rx gain) calib data */ 835struct iwl_chain_noise_data { 836 u32 active_chains; 837 u32 chain_noise_a; 838 u32 chain_noise_b; 839 u32 chain_noise_c; 840 u32 chain_signal_a; 841 u32 chain_signal_b; 842 u32 chain_signal_c; 843 u16 beacon_count; 844 u8 disconn_array[NUM_RX_CHAINS]; 845 u8 delta_gain_code[NUM_RX_CHAINS]; 846 u8 radio_write; 847 u8 state; 848}; 849 850#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 851#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 852 853#define IWL_TRAFFIC_ENTRIES (256) 854#define IWL_TRAFFIC_ENTRY_SIZE (64) 855 856enum { 857 MEASUREMENT_READY = (1 << 0), 858 MEASUREMENT_ACTIVE = (1 << 1), 859}; 860 861enum iwl_nvm_type { 862 NVM_DEVICE_TYPE_EEPROM = 0, 863 NVM_DEVICE_TYPE_OTP, 864}; 865 866/* 867 * Two types of OTP memory access modes 868 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 869 * based on physical memory addressing 870 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 871 * based on logical memory addressing 872 */ 873enum iwl_access_mode { 874 IWL_OTP_ACCESS_ABSOLUTE, 875 IWL_OTP_ACCESS_RELATIVE, 876}; 877 878/** 879 * enum iwl_pa_type - Power Amplifier type 880 * @IWL_PA_SYSTEM: based on uCode configuration 881 * @IWL_PA_INTERNAL: use Internal only 882 */ 883enum iwl_pa_type { 884 IWL_PA_SYSTEM = 0, 885 IWL_PA_INTERNAL = 1, 886}; 887 888/* interrupt statistics */ 889struct isr_statistics { 890 u32 hw; 891 u32 sw; 892 u32 err_code; 893 u32 sch; 894 u32 alive; 895 u32 rfkill; 896 u32 ctkill; 897 u32 wakeup; 898 u32 rx; 899 u32 rx_handlers[REPLY_MAX]; 900 u32 tx; 901 u32 unhandled; 902}; 903 904/* reply_tx_statistics (for _agn devices) */ 905struct reply_tx_error_statistics { 906 u32 pp_delay; 907 u32 pp_few_bytes; 908 u32 pp_bt_prio; 909 u32 pp_quiet_period; 910 u32 pp_calc_ttak; 911 u32 int_crossed_retry; 912 u32 short_limit; 913 u32 long_limit; 914 u32 fifo_underrun; 915 u32 drain_flow; 916 u32 rfkill_flush; 917 u32 life_expire; 918 u32 dest_ps; 919 u32 host_abort; 920 u32 bt_retry; 921 u32 sta_invalid; 922 u32 frag_drop; 923 u32 tid_disable; 924 u32 fifo_flush; 925 u32 insuff_cf_poll; 926 u32 fail_hw_drop; 927 u32 sta_color_mismatch; 928 u32 unknown; 929}; 930 931/* reply_agg_tx_statistics (for _agn devices) */ 932struct reply_agg_tx_error_statistics { 933 u32 underrun; 934 u32 bt_prio; 935 u32 few_bytes; 936 u32 abort; 937 u32 last_sent_ttl; 938 u32 last_sent_try; 939 u32 last_sent_bt_kill; 940 u32 scd_query; 941 u32 bad_crc32; 942 u32 response; 943 u32 dump_tx; 944 u32 delay_tx; 945 u32 unknown; 946}; 947 948/* management statistics */ 949enum iwl_mgmt_stats { 950 MANAGEMENT_ASSOC_REQ = 0, 951 MANAGEMENT_ASSOC_RESP, 952 MANAGEMENT_REASSOC_REQ, 953 MANAGEMENT_REASSOC_RESP, 954 MANAGEMENT_PROBE_REQ, 955 MANAGEMENT_PROBE_RESP, 956 MANAGEMENT_BEACON, 957 MANAGEMENT_ATIM, 958 MANAGEMENT_DISASSOC, 959 MANAGEMENT_AUTH, 960 MANAGEMENT_DEAUTH, 961 MANAGEMENT_ACTION, 962 MANAGEMENT_MAX, 963}; 964/* control statistics */ 965enum iwl_ctrl_stats { 966 CONTROL_BACK_REQ = 0, 967 CONTROL_BACK, 968 CONTROL_PSPOLL, 969 CONTROL_RTS, 970 CONTROL_CTS, 971 CONTROL_ACK, 972 CONTROL_CFEND, 973 CONTROL_CFENDACK, 974 CONTROL_MAX, 975}; 976 977struct traffic_stats { 978#ifdef CONFIG_IWLWIFI_DEBUGFS 979 u32 mgmt[MANAGEMENT_MAX]; 980 u32 ctrl[CONTROL_MAX]; 981 u32 data_cnt; 982 u64 data_bytes; 983#endif 984}; 985 986/* 987 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 988 * to perform continuous uCode event logging operation if enabled 989 */ 990#define UCODE_TRACE_PERIOD (100) 991 992/* 993 * iwl_event_log: current uCode event log position 994 * 995 * @ucode_trace: enable/disable ucode continuous trace timer 996 * @num_wraps: how many times the event buffer wraps 997 * @next_entry: the entry just before the next one that uCode would fill 998 * @non_wraps_count: counter for no wrap detected when dump ucode events 999 * @wraps_once_count: counter for wrap once detected when dump ucode events 1000 * @wraps_more_count: counter for wrap more than once detected 1001 * when dump ucode events 1002 */ 1003struct iwl_event_log { 1004 bool ucode_trace; 1005 u32 num_wraps; 1006 u32 next_entry; 1007 int non_wraps_count; 1008 int wraps_once_count; 1009 int wraps_more_count; 1010}; 1011 1012/* 1013 * host interrupt timeout value 1014 * used with setting interrupt coalescing timer 1015 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1016 * 1017 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1018 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1019 */ 1020#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 1021#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 1022#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 1023#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1024#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1025#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1026 1027/* 1028 * This is the threshold value of plcp error rate per 100mSecs. It is 1029 * used to set and check for the validity of plcp_delta. 1030 */ 1031#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 1032#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 1033#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 1034#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1035#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1036#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 1037 1038#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 1039#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1040 1041/* TX queue watchdog timeouts in mSecs */ 1042#define IWL_DEF_WD_TIMEOUT (2000) 1043#define IWL_LONG_WD_TIMEOUT (10000) 1044#define IWL_MAX_WD_TIMEOUT (120000) 1045 1046/* BT Antenna Coupling Threshold (dB) */ 1047#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 1048 1049/* Firmware reload counter and Timestamp */ 1050#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 1051#define IWL_MAX_CONTINUE_RELOAD_CNT 4 1052 1053 1054enum iwl_reset { 1055 IWL_RF_RESET = 0, 1056 IWL_FW_RESET, 1057 IWL_MAX_FORCE_RESET, 1058}; 1059 1060struct iwl_force_reset { 1061 int reset_request_count; 1062 int reset_success_count; 1063 int reset_reject_count; 1064 unsigned long reset_duration; 1065 unsigned long last_force_reset_jiffies; 1066}; 1067 1068/* extend beacon time format bit shifting */ 1069/* 1070 * for _agn devices 1071 * bits 31:22 - extended 1072 * bits 21:0 - interval 1073 */ 1074#define IWLAGN_EXT_BEACON_TIME_POS 22 1075 1076/** 1077 * struct iwl_notification_wait - notification wait entry 1078 * @list: list head for global list 1079 * @fn: function called with the notification 1080 * @cmd: command ID 1081 * 1082 * This structure is not used directly, to wait for a 1083 * notification declare it on the stack, and call 1084 * iwlagn_init_notification_wait() with appropriate 1085 * parameters. Then do whatever will cause the ucode 1086 * to notify the driver, and to wait for that then 1087 * call iwlagn_wait_notification(). 1088 * 1089 * Each notification is one-shot. If at some point we 1090 * need to support multi-shot notifications (which 1091 * can't be allocated on the stack) we need to modify 1092 * the code for them. 1093 */ 1094struct iwl_notification_wait { 1095 struct list_head list; 1096 1097 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 1098 void *data); 1099 void *fn_data; 1100 1101 u8 cmd; 1102 bool triggered, aborted; 1103}; 1104 1105enum iwl_rxon_context_id { 1106 IWL_RXON_CTX_BSS, 1107 IWL_RXON_CTX_PAN, 1108 1109 NUM_IWL_RXON_CTX 1110}; 1111 1112struct iwl_rxon_context { 1113 struct ieee80211_vif *vif; 1114 1115 const u8 *ac_to_fifo; 1116 const u8 *ac_to_queue; 1117 u8 mcast_queue; 1118 1119 /* 1120 * We could use the vif to indicate active, but we 1121 * also need it to be active during disabling when 1122 * we already removed the vif for type setting. 1123 */ 1124 bool always_active, is_active; 1125 1126 bool ht_need_multiple_chains; 1127 1128 enum iwl_rxon_context_id ctxid; 1129 1130 u32 interface_modes, exclusive_interface_modes; 1131 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 1132 1133 /* 1134 * We declare this const so it can only be 1135 * changed via explicit cast within the 1136 * routines that actually update the physical 1137 * hardware. 1138 */ 1139 const struct iwl_rxon_cmd active; 1140 struct iwl_rxon_cmd staging; 1141 1142 struct iwl_rxon_time_cmd timing; 1143 1144 struct iwl_qos_info qos_data; 1145 1146 u8 bcast_sta_id, ap_sta_id; 1147 1148 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1149 u8 qos_cmd; 1150 u8 wep_key_cmd; 1151 1152 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1153 u8 key_mapping_keys; 1154 1155 __le32 station_flags; 1156 1157 struct { 1158 bool non_gf_sta_present; 1159 u8 protection; 1160 bool enabled, is_40mhz; 1161 u8 extension_chan_offset; 1162 } ht; 1163 1164 bool last_tx_rejected; 1165}; 1166 1167enum iwl_scan_type { 1168 IWL_SCAN_NORMAL, 1169 IWL_SCAN_RADIO_RESET, 1170 IWL_SCAN_OFFCH_TX, 1171}; 1172 1173enum iwlagn_ucode_type { 1174 IWL_UCODE_NONE, 1175 IWL_UCODE_REGULAR, 1176 IWL_UCODE_INIT, 1177 IWL_UCODE_WOWLAN, 1178}; 1179 1180#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1181struct iwl_testmode_trace { 1182 u32 buff_size; 1183 u32 total_size; 1184 u32 num_chunks; 1185 u8 *cpu_addr; 1186 u8 *trace_addr; 1187 dma_addr_t dma_addr; 1188 bool trace_enabled; 1189}; 1190#endif 1191 1192struct iwl_bus; 1193 1194/** 1195 * struct iwl_bus_ops - bus specific operations 1196 * @set_drv_data: set the priv pointer to the bus layer 1197 * @get_dev: returns the device struct 1198 */ 1199struct iwl_bus_ops { 1200 void (*set_drv_data)(struct iwl_bus *bus, void *priv); 1201 struct device *(*get_dev)(const struct iwl_bus *bus); 1202}; 1203 1204struct iwl_bus { 1205 /* pointer to bus specific struct */ 1206 void *bus_specific; 1207 1208 /* Common data to all buses */ 1209 struct iwl_priv *priv; /* driver's context */ 1210 struct device *dev; 1211 struct iwl_bus_ops *ops; 1212}; 1213 1214struct iwl_priv { 1215 1216 /* ieee device used by generic ieee processing code */ 1217 struct ieee80211_hw *hw; 1218 struct ieee80211_channel *ieee_channels; 1219 struct ieee80211_rate *ieee_rates; 1220 struct iwl_cfg *cfg; 1221 1222 enum ieee80211_band band; 1223 1224 void (*pre_rx_handler)(struct iwl_priv *priv, 1225 struct iwl_rx_mem_buffer *rxb); 1226 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1227 struct iwl_rx_mem_buffer *rxb); 1228 1229 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1230 1231 /* spectrum measurement report caching */ 1232 struct iwl_spectrum_notification measure_report; 1233 u8 measurement_status; 1234 1235 /* ucode beacon time */ 1236 u32 ucode_beacon_time; 1237 int missed_beacon_threshold; 1238 1239 /* track IBSS manager (last beacon) status */ 1240 u32 ibss_manager; 1241 1242 /* jiffies when last recovery from statistics was performed */ 1243 unsigned long rx_statistics_jiffies; 1244 1245 /* force reset */ 1246 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1247 1248 /* firmware reload counter and timestamp */ 1249 unsigned long reload_jiffies; 1250 int reload_count; 1251 1252 /* we allocate array of iwl_channel_info for NIC's valid channels. 1253 * Access via channel # using indirect index array */ 1254 struct iwl_channel_info *channel_info; /* channel info array */ 1255 u8 channel_count; /* # of channels */ 1256 1257 /* thermal calibration */ 1258 s32 temperature; /* degrees Kelvin */ 1259 s32 last_temperature; 1260 1261 /* init calibration results */ 1262 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1263 1264 /* Scan related variables */ 1265 unsigned long scan_start; 1266 unsigned long scan_start_tsf; 1267 void *scan_cmd; 1268 enum ieee80211_band scan_band; 1269 struct cfg80211_scan_request *scan_request; 1270 struct ieee80211_vif *scan_vif; 1271 enum iwl_scan_type scan_type; 1272 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1273 u8 mgmt_tx_ant; 1274 1275 /* spinlock */ 1276 spinlock_t lock; /* protect general shared data */ 1277 spinlock_t hcmd_lock; /* protect hcmd */ 1278 spinlock_t reg_lock; /* protect hw register access */ 1279 struct mutex mutex; 1280 1281 /* TODO: remove this after PCI abstraction is done */ 1282 /* basic pci-network driver stuff */ 1283 struct pci_dev *pci_dev; 1284 1285 /* pci hardware address support */ 1286 void __iomem *hw_base; 1287 1288 struct iwl_bus bus; /* bus specific data */ 1289 1290 /* microcode/device supports multiple contexts */ 1291 u8 valid_contexts; 1292 1293 /* command queue number */ 1294 u8 cmd_queue; 1295 1296 /* max number of station keys */ 1297 u8 sta_key_max_num; 1298 1299 bool new_scan_threshold_behaviour; 1300 1301 /* EEPROM MAC addresses */ 1302 struct mac_address addresses[2]; 1303 1304 /* uCode images, save to reload in case of failure */ 1305 int fw_index; /* firmware we're trying to load */ 1306 u32 ucode_ver; /* version of ucode, copy of 1307 iwl_ucode.ver */ 1308 struct fw_img ucode_rt; 1309 struct fw_img ucode_init; 1310 1311 enum iwlagn_ucode_type ucode_type; 1312 u8 ucode_write_complete; /* the image write is complete */ 1313 char firmware_name[25]; 1314 1315 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1316 1317 __le16 switch_channel; 1318 1319 struct { 1320 u32 error_event_table; 1321 u32 log_event_table; 1322 } device_pointers; 1323 1324 u16 active_rate; 1325 1326 u8 start_calib; 1327 struct iwl_sensitivity_data sensitivity_data; 1328 struct iwl_chain_noise_data chain_noise_data; 1329 bool enhance_sensitivity_table; 1330 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1331 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1332 1333 struct iwl_ht_config current_ht_config; 1334 1335 /* Rate scaling data */ 1336 u8 retry_rate; 1337 1338 wait_queue_head_t wait_command_queue; 1339 1340 int activity_timer_active; 1341 1342 /* Rx and Tx DMA processing queues */ 1343 struct iwl_rx_queue rxq; 1344 struct iwl_tx_queue *txq; 1345 unsigned long txq_ctx_active_msk; 1346 struct iwl_dma_ptr kw; /* keep warm address */ 1347 struct iwl_dma_ptr scd_bc_tbls; 1348 1349 u32 scd_base_addr; /* scheduler sram base address */ 1350 1351 unsigned long status; 1352 1353 /* counts mgmt, ctl, and data packets */ 1354 struct traffic_stats tx_stats; 1355 struct traffic_stats rx_stats; 1356 1357 /* counts interrupts */ 1358 struct isr_statistics isr_stats; 1359 1360 struct iwl_power_mgr power_data; 1361 struct iwl_tt_mgmt thermal_throttle; 1362 1363 /* station table variables */ 1364 1365 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1366 spinlock_t sta_lock; 1367 int num_stations; 1368 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1369 unsigned long ucode_key_table; 1370 1371 /* queue refcounts */ 1372#define IWL_MAX_HW_QUEUES 32 1373 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1374 /* for each AC */ 1375 atomic_t queue_stop_count[4]; 1376 1377 /* Indication if ieee80211_ops->open has been called */ 1378 u8 is_open; 1379 1380 u8 mac80211_registered; 1381 1382 /* eeprom -- this is in the card's little endian byte order */ 1383 u8 *eeprom; 1384 int nvm_device_type; 1385 struct iwl_eeprom_calib_info *calib_info; 1386 1387 enum nl80211_iftype iw_mode; 1388 1389 /* Last Rx'd beacon timestamp */ 1390 u64 timestamp; 1391 1392 struct { 1393 __le32 flag; 1394 struct statistics_general_common common; 1395 struct statistics_rx_non_phy rx_non_phy; 1396 struct statistics_rx_phy rx_ofdm; 1397 struct statistics_rx_ht_phy rx_ofdm_ht; 1398 struct statistics_rx_phy rx_cck; 1399 struct statistics_tx tx; 1400#ifdef CONFIG_IWLWIFI_DEBUGFS 1401 struct statistics_bt_activity bt_activity; 1402 __le32 num_bt_kills, accum_num_bt_kills; 1403#endif 1404 } statistics; 1405#ifdef CONFIG_IWLWIFI_DEBUGFS 1406 struct { 1407 struct statistics_general_common common; 1408 struct statistics_rx_non_phy rx_non_phy; 1409 struct statistics_rx_phy rx_ofdm; 1410 struct statistics_rx_ht_phy rx_ofdm_ht; 1411 struct statistics_rx_phy rx_cck; 1412 struct statistics_tx tx; 1413 struct statistics_bt_activity bt_activity; 1414 } accum_stats, delta_stats, max_delta_stats; 1415#endif 1416 1417 struct { 1418 /* INT ICT Table */ 1419 __le32 *ict_tbl; 1420 void *ict_tbl_vir; 1421 dma_addr_t ict_tbl_dma; 1422 dma_addr_t aligned_ict_tbl_dma; 1423 int ict_index; 1424 u32 inta; 1425 bool use_ict; 1426 /* 1427 * reporting the number of tids has AGG on. 0 means 1428 * no AGGREGATION 1429 */ 1430 u8 agg_tids_count; 1431 1432 struct iwl_rx_phy_res last_phy_res; 1433 bool last_phy_res_valid; 1434 1435 struct completion firmware_loading_complete; 1436 1437 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1438 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1439 1440 /* 1441 * chain noise reset and gain commands are the 1442 * two extra calibration commands follows the standard 1443 * phy calibration commands 1444 */ 1445 u8 phy_calib_chain_noise_reset_cmd; 1446 u8 phy_calib_chain_noise_gain_cmd; 1447 1448 /* counts reply_tx error */ 1449 struct reply_tx_error_statistics reply_tx_stats; 1450 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1451 /* notification wait support */ 1452 struct list_head notif_waits; 1453 spinlock_t notif_wait_lock; 1454 wait_queue_head_t notif_waitq; 1455 1456 /* remain-on-channel offload support */ 1457 struct ieee80211_channel *hw_roc_channel; 1458 struct delayed_work hw_roc_work; 1459 enum nl80211_channel_type hw_roc_chantype; 1460 int hw_roc_duration; 1461 bool hw_roc_setup; 1462 1463 struct sk_buff *offchan_tx_skb; 1464 int offchan_tx_timeout; 1465 struct ieee80211_channel *offchan_tx_chan; 1466 } _agn; 1467 1468 /* bt coex */ 1469 u8 bt_enable_flag; 1470 u8 bt_status; 1471 u8 bt_traffic_load, last_bt_traffic_load; 1472 bool bt_ch_announce; 1473 bool bt_full_concurrent; 1474 bool bt_ant_couple_ok; 1475 __le32 kill_ack_mask; 1476 __le32 kill_cts_mask; 1477 __le16 bt_valid; 1478 u16 bt_on_thresh; 1479 u16 bt_duration; 1480 u16 dynamic_frag_thresh; 1481 u8 bt_ci_compliance; 1482 struct work_struct bt_traffic_change_work; 1483 1484 struct iwl_hw_params hw_params; 1485 1486 u32 inta_mask; 1487 1488 struct workqueue_struct *workqueue; 1489 1490 struct work_struct restart; 1491 struct work_struct scan_completed; 1492 struct work_struct rx_replenish; 1493 struct work_struct abort_scan; 1494 1495 struct work_struct beacon_update; 1496 struct iwl_rxon_context *beacon_ctx; 1497 struct sk_buff *beacon_skb; 1498 void *beacon_cmd; 1499 1500 struct work_struct tt_work; 1501 struct work_struct ct_enter; 1502 struct work_struct ct_exit; 1503 struct work_struct start_internal_scan; 1504 struct work_struct tx_flush; 1505 struct work_struct bt_full_concurrency; 1506 struct work_struct bt_runtime_config; 1507 1508 struct tasklet_struct irq_tasklet; 1509 1510 struct delayed_work scan_check; 1511 1512 /* TX Power */ 1513 s8 tx_power_user_lmt; 1514 s8 tx_power_device_lmt; 1515 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1516 s8 tx_power_next; 1517 1518 1519#ifdef CONFIG_IWLWIFI_DEBUG 1520 /* debugging info */ 1521 u32 debug_level; /* per device debugging will override global 1522 iwl_debug_level if set */ 1523#endif /* CONFIG_IWLWIFI_DEBUG */ 1524#ifdef CONFIG_IWLWIFI_DEBUGFS 1525 /* debugfs */ 1526 u16 tx_traffic_idx; 1527 u16 rx_traffic_idx; 1528 u8 *tx_traffic; 1529 u8 *rx_traffic; 1530 struct dentry *debugfs_dir; 1531 u32 dbgfs_sram_offset, dbgfs_sram_len; 1532 bool disable_ht40; 1533#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1534 1535 struct work_struct txpower_work; 1536 u32 disable_sens_cal; 1537 u32 disable_chain_noise_cal; 1538 struct work_struct run_time_calib_work; 1539 struct timer_list statistics_periodic; 1540 struct timer_list ucode_trace; 1541 struct timer_list watchdog; 1542 1543 struct iwl_event_log event_log; 1544 1545 struct led_classdev led; 1546 unsigned long blink_on, blink_off; 1547 bool led_registered; 1548#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1549 struct iwl_testmode_trace testmode_trace; 1550#endif 1551 u32 dbg_fixed_rate; 1552 1553}; /*iwl_priv */ 1554 1555static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1556{ 1557 set_bit(txq_id, &priv->txq_ctx_active_msk); 1558} 1559 1560static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1561{ 1562 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1563} 1564 1565#ifdef CONFIG_IWLWIFI_DEBUG 1566/* 1567 * iwl_get_debug_level: Return active debug level for device 1568 * 1569 * Using sysfs it is possible to set per device debug level. This debug 1570 * level will be used if set, otherwise the global debug level which can be 1571 * set via module parameter is used. 1572 */ 1573static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1574{ 1575 if (priv->debug_level) 1576 return priv->debug_level; 1577 else 1578 return iwl_debug_level; 1579} 1580#else 1581static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1582{ 1583 return iwl_debug_level; 1584} 1585#endif 1586 1587 1588static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1589 int txq_id, int idx) 1590{ 1591 if (priv->txq[txq_id].txb[idx].skb) 1592 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1593 txb[idx].skb->data; 1594 return NULL; 1595} 1596 1597static inline struct iwl_rxon_context * 1598iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1599{ 1600 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1601 1602 return vif_priv->ctx; 1603} 1604 1605#define for_each_context(priv, ctx) \ 1606 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1607 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1608 if (priv->valid_contexts & BIT(ctx->ctxid)) 1609 1610static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1611{ 1612 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1613} 1614 1615static inline int iwl_is_associated(struct iwl_priv *priv, 1616 enum iwl_rxon_context_id ctxid) 1617{ 1618 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 1619} 1620 1621static inline int iwl_is_any_associated(struct iwl_priv *priv) 1622{ 1623 struct iwl_rxon_context *ctx; 1624 for_each_context(priv, ctx) 1625 if (iwl_is_associated_ctx(ctx)) 1626 return true; 1627 return false; 1628} 1629 1630static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1631{ 1632 if (ch_info == NULL) 1633 return 0; 1634 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1635} 1636 1637static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1638{ 1639 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1640} 1641 1642static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1643{ 1644 return ch_info->band == IEEE80211_BAND_5GHZ; 1645} 1646 1647static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1648{ 1649 return ch_info->band == IEEE80211_BAND_2GHZ; 1650} 1651 1652static inline int is_channel_passive(const struct iwl_channel_info *ch) 1653{ 1654 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1655} 1656 1657static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1658{ 1659 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1660} 1661 1662static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1663{ 1664 __free_pages(page, priv->hw_params.rx_page_order); 1665} 1666 1667static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1668{ 1669 free_pages(page, priv->hw_params.rx_page_order); 1670} 1671#endif /* __iwl_dev_h__ */ 1672