drivers/net/wireless/iwlwifi/iwl-dev.h

   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 <linux/slab.h>
  40 #include <net/ieee80211_radiotap.h>
  41
  42 #include "iwl-eeprom.h"
  43 #include "iwl-csr.h"
  44 #include "iwl-prph.h"
  45 #include "iwl-debug.h"
  46 #include "iwl-agn-hw.h"
  47 #include "iwl-led.h"
  48 #include "iwl-power.h"
  49 #include "iwl-agn-rs.h"
  50 #include "iwl-agn-tt.h"
  51 #include "iwl-bus.h"
  52 #include "iwl-trans.h"
  53 #include "iwl-shared.h"
  54
  55 struct iwl_tx_queue;
  56
  57 /* CT-KILL constants */
  58 #define CT_KILL_THRESHOLD_LEGACY   110 /* in Celsius */
  59 #define CT_KILL_THRESHOLD          114 /* in Celsius */
  60 #define CT_KILL_EXIT_THRESHOLD     95  /* in Celsius */
  61
  62 /* Default noise level to report when noise measurement is not available.
  63  *   This may be because we're:
  64  *   1)  Not associated (4965, no beacon statistics being sent to driver)
  65  *   2)  Scanning (noise measurement does not apply to associated channel)
  66  *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
  67  * Use default noise value of -127 ... this is below the range of measurable
  68  *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
  69  *   Also, -127 works better than 0 when averaging frames with/without
  70  *   noise info (e.g. averaging might be done in app); measured dBm values are
  71  *   always negative ... using a negative value as the default keeps all
  72  *   averages within an s8's (used in some apps) range of negative values. */
  73 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
  74
  75 /*
  76  * RTS threshold here is total size [2347] minus 4 FCS bytes
  77  * Per spec:
  78  *   a value of 0 means RTS on all data/management packets
  79  *   a value > max MSDU size means no RTS
  80  * else RTS for data/management frames where MPDU is larger
  81  *   than RTS value.
  82  */
  83 #define DEFAULT_RTS_THRESHOLD     2347U
  84 #define MIN_RTS_THRESHOLD         0U
  85 #define MAX_RTS_THRESHOLD         2347U
  86 #define MAX_MSDU_SIZE             2304U
  87 #define MAX_MPDU_SIZE             2346U
  88 #define DEFAULT_BEACON_INTERVAL   200U
  89 #define DEFAULT_SHORT_RETRY_LIMIT 7U
  90 #define DEFAULT_LONG_RETRY_LIMIT  4U
  91
  92 /* defined below */
  93 struct iwl_device_cmd;
  94
  95 struct iwl_cmd_meta {
  96         /* only for SYNC commands, iff the reply skb is wanted */
  97         struct iwl_host_cmd *source;
  98         /*
  99          * only for ASYNC commands
 100          * (which is somewhat stupid -- look at iwl-sta.c for instance
 101          * which duplicates a bunch of code because the callback isn't
 102          * invoked for SYNC commands, if it were and its result passed
 103          * through it would be simpler...)
 104          */
 105         void (*callback)(struct iwl_priv *priv,
 106                          struct iwl_device_cmd *cmd,
 107                          struct iwl_rx_packet *pkt);
 108
 109         u32 flags;
 110
 111         DEFINE_DMA_UNMAP_ADDR(mapping);
 112         DEFINE_DMA_UNMAP_LEN(len);
 113 };
 114
 115 /*
 116  * Generic queue structure
 117  *
 118  * Contains common data for Rx and Tx queues.
 119  *
 120  * Note the difference between n_bd and n_window: the hardware
 121  * always assumes 256 descriptors, so n_bd is always 256 (unless
 122  * there might be HW changes in the future). For the normal TX
 123  * queues, n_window, which is the size of the software queue data
 124  * is also 256; however, for the command queue, n_window is only
 125  * 32 since we don't need so many commands pending. Since the HW
 126  * still uses 256 BDs for DMA though, n_bd stays 256. As a result,
 127  * the software buffers (in the variables @meta, @txb in struct
 128  * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds
 129  * in the same struct) have 256.
 130  * This means that we end up with the following:
 131  *  HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 |
 132  *  SW entries:           | 0      | ... | 31          |
 133  * where N is a number between 0 and 7. This means that the SW
 134  * data is a window overlayed over the HW queue.
 135  */
 136 struct iwl_queue {
 137         int n_bd;              /* number of BDs in this queue */
 138         int write_ptr;       /* 1-st empty entry (index) host_w*/
 139         int read_ptr;         /* last used entry (index) host_r*/
 140         /* use for monitoring and recovering the stuck queue */
 141         dma_addr_t dma_addr;   /* physical addr for BD's */
 142         int n_window;          /* safe queue window */
 143         u32 id;
 144         int low_mark;          /* low watermark, resume queue if free
 145                                 * space more than this */
 146         int high_mark;         /* high watermark, stop queue if free
 147                                 * space less than this */
 148 };
 149
 150 /**
 151  * struct iwl_tx_queue - Tx Queue for DMA
 152  * @q: generic Rx/Tx queue descriptor
 153  * @bd: base of circular buffer of TFDs
 154  * @cmd: array of command/TX buffer pointers
 155  * @meta: array of meta data for each command/tx buffer
 156  * @dma_addr_cmd: physical address of cmd/tx buffer array
 157  * @txb: array of per-TFD driver data
 158  * @time_stamp: time (in jiffies) of last read_ptr change
 159  * @need_update: indicates need to update read/write index
 160  * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
 161  * @sta_id: valid if sched_retry is set
 162  * @tid: valid if sched_retry is set
 163  *
 164  * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
 165  * descriptors) and required locking structures.
 166  */
 167 #define TFD_TX_CMD_SLOTS 256
 168 #define TFD_CMD_SLOTS 32
 169
 170 struct iwl_tx_queue {
 171         struct iwl_queue q;
 172         struct iwl_tfd *tfds;
 173         struct iwl_device_cmd **cmd;
 174         struct iwl_cmd_meta *meta;
 175         struct sk_buff **skbs;
 176         unsigned long time_stamp;
 177         u8 need_update;
 178         u8 sched_retry;
 179         u8 active;
 180         u8 swq_id;
 181
 182         u16 sta_id;
 183         u16 tid;
 184 };
 185
 186 #define IWL_NUM_SCAN_RATES         (2)
 187
 188 /*
 189  * One for each channel, holds all channel setup data
 190  * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
 191  *     with one another!
 192  */
 193 struct iwl_channel_info {
 194         struct iwl_eeprom_channel eeprom;       /* EEPROM regulatory limit */
 195         struct iwl_eeprom_channel ht40_eeprom;  /* EEPROM regulatory limit for
 196                                                  * HT40 channel */
 197
 198         u8 channel;       /* channel number */
 199         u8 flags;         /* flags copied from EEPROM */
 200         s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
 201         s8 curr_txpow;    /* (dBm) regulatory/spectrum/user (not h/w) limit */
 202         s8 min_power;     /* always 0 */
 203         s8 scan_power;    /* (dBm) regul. eeprom, direct scans, any rate */
 204
 205         u8 group_index;   /* 0-4, maps channel to group1/2/3/4/5 */
 206         u8 band_index;    /* 0-4, maps channel to band1/2/3/4/5 */
 207         enum ieee80211_band band;
 208
 209         /* HT40 channel info */
 210         s8 ht40_max_power_avg;  /* (dBm) regul. eeprom, normal Tx, any rate */
 211         u8 ht40_flags;          /* flags copied from EEPROM */
 212         u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
 213 };
 214
 215 #define IWL_TX_FIFO_BK          0       /* shared */
 216 #define IWL_TX_FIFO_BE          1
 217 #define IWL_TX_FIFO_VI          2       /* shared */
 218 #define IWL_TX_FIFO_VO          3
 219 #define IWL_TX_FIFO_BK_IPAN     IWL_TX_FIFO_BK
 220 #define IWL_TX_FIFO_BE_IPAN     4
 221 #define IWL_TX_FIFO_VI_IPAN     IWL_TX_FIFO_VI
 222 #define IWL_TX_FIFO_VO_IPAN     5
 223 /* re-uses the VO FIFO, uCode will properly flush/schedule */
 224 #define IWL_TX_FIFO_AUX         5
 225 #define IWL_TX_FIFO_UNUSED      -1
 226
 227 /* AUX (TX during scan dwell) queue */
 228 #define IWL_AUX_QUEUE           10
 229
 230 /*
 231  * Minimum number of queues. MAX_NUM is defined in hw specific files.
 232  * Set the minimum to accommodate
 233  *  - 4 standard TX queues
 234  *  - the command queue
 235  *  - 4 PAN TX queues
 236  *  - the PAN multicast queue, and
 237  *  - the AUX (TX during scan dwell) queue.
 238  */
 239 #define IWL_MIN_NUM_QUEUES      11
 240
 241 /*
 242  * Command queue depends on iPAN support.
 243  */
 244 #define IWL_DEFAULT_CMD_QUEUE_NUM       4
 245 #define IWL_IPAN_CMD_QUEUE_NUM          9
 246
 247 #define IEEE80211_DATA_LEN              2304
 248 #define IEEE80211_4ADDR_LEN             30
 249 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
 250 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 251
 252
 253 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 254 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 255 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
 256
 257 enum {
 258         CMD_SYNC = 0,
 259         CMD_ASYNC = BIT(0),
 260         CMD_WANT_SKB = BIT(1),
 261         CMD_ON_DEMAND = BIT(2),
 262 };
 263
 264 #define DEF_CMD_PAYLOAD_SIZE 320
 265
 266 /**
 267  * struct iwl_device_cmd
 268  *
 269  * For allocation of the command and tx queues, this establishes the overall
 270  * size of the largest command we send to uCode, except for commands that
 271  * aren't fully copied and use other TFD space.
 272  */
 273 struct iwl_device_cmd {
 274         struct iwl_cmd_header hdr;      /* uCode API */
 275         union {
 276                 u32 flags;
 277                 u8 val8;
 278                 u16 val16;
 279                 u32 val32;
 280                 struct iwl_tx_cmd tx;
 281                 struct iwl6000_channel_switch_cmd chswitch;
 282                 u8 payload[DEF_CMD_PAYLOAD_SIZE];
 283         } __packed cmd;
 284 } __packed;
 285
 286 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
 287
 288 #define IWL_MAX_CMD_TFDS        2
 289
 290 enum iwl_hcmd_dataflag {
 291         IWL_HCMD_DFL_NOCOPY     = BIT(0),
 292 };
 293
 294 /**
 295  * struct iwl_host_cmd - Host command to the uCode
 296  * @data: array of chunks that composes the data of the host command
 297  * @reply_page: pointer to the page that holds the response to the host command
 298  * @callback:
 299  * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC
 300  * @len: array of the lenths of the chunks in data
 301  * @dataflags:
 302  * @id: id of the host command
 303  */
 304 struct iwl_host_cmd {
 305         const void *data[IWL_MAX_CMD_TFDS];
 306         unsigned long reply_page;
 307         void (*callback)(struct iwl_priv *priv,
 308                          struct iwl_device_cmd *cmd,
 309                          struct iwl_rx_packet *pkt);
 310         u32 flags;
 311         u16 len[IWL_MAX_CMD_TFDS];
 312         u8 dataflags[IWL_MAX_CMD_TFDS];
 313         u8 id;
 314 };
 315
 316 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
 317 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
 318 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
 319
 320 #define IWL_SUPPORTED_RATES_IE_LEN         8
 321
 322 #define IWL_INVALID_RATE     0xFF
 323 #define IWL_INVALID_VALUE    -1
 324
 325 union iwl_ht_rate_supp {
 326         u16 rates;
 327         struct {
 328                 u8 siso_rate;
 329                 u8 mimo_rate;
 330         };
 331 };
 332
 333 #define CFG_HT_RX_AMPDU_FACTOR_8K   (0x0)
 334 #define CFG_HT_RX_AMPDU_FACTOR_16K  (0x1)
 335 #define CFG_HT_RX_AMPDU_FACTOR_32K  (0x2)
 336 #define CFG_HT_RX_AMPDU_FACTOR_64K  (0x3)
 337 #define CFG_HT_RX_AMPDU_FACTOR_DEF  CFG_HT_RX_AMPDU_FACTOR_64K
 338 #define CFG_HT_RX_AMPDU_FACTOR_MAX  CFG_HT_RX_AMPDU_FACTOR_64K
 339 #define CFG_HT_RX_AMPDU_FACTOR_MIN  CFG_HT_RX_AMPDU_FACTOR_8K
 340
 341 /*
 342  * Maximal MPDU density for TX aggregation
 343  * 4 - 2us density
 344  * 5 - 4us density
 345  * 6 - 8us density
 346  * 7 - 16us density
 347  */
 348 #define CFG_HT_MPDU_DENSITY_2USEC   (0x4)
 349 #define CFG_HT_MPDU_DENSITY_4USEC   (0x5)
 350 #define CFG_HT_MPDU_DENSITY_8USEC   (0x6)
 351 #define CFG_HT_MPDU_DENSITY_16USEC  (0x7)
 352 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
 353 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
 354 #define CFG_HT_MPDU_DENSITY_MIN     (0x1)
 355
 356 struct iwl_ht_config {
 357         bool single_chain_sufficient;
 358         enum ieee80211_smps_mode smps; /* current smps mode */
 359 };
 360
 361 /* QoS structures */
 362 struct iwl_qos_info {
 363         int qos_active;
 364         struct iwl_qosparam_cmd def_qos_parm;
 365 };
 366
 367 /*
 368  * Structure should be accessed with sta_lock held. When station addition
 369  * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
 370  * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
 371  * held.
 372  */
 373 struct iwl_station_entry {
 374         struct iwl_addsta_cmd sta;
 375         u8 used, ctxid;
 376         struct iwl_link_quality_cmd *lq;
 377 };
 378
 379 struct iwl_station_priv_common {
 380         struct iwl_rxon_context *ctx;
 381         u8 sta_id;
 382 };
 383
 384 /*
 385  * iwl_station_priv: Driver's private station information
 386  *
 387  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
 388  * in the structure for use by driver. This structure is places in that
 389  * space.
 390  */
 391 struct iwl_station_priv {
 392         struct iwl_station_priv_common common;
 393         struct iwl_lq_sta lq_sta;
 394         atomic_t pending_frames;
 395         bool client;
 396         bool asleep;
 397         u8 max_agg_bufsize;
 398 };
 399
 400 /**
 401  * struct iwl_vif_priv - driver's private per-interface information
 402  *
 403  * When mac80211 allocates a virtual interface, it can allocate
 404  * space for us to put data into.
 405  */
 406 struct iwl_vif_priv {
 407         struct iwl_rxon_context *ctx;
 408         u8 ibss_bssid_sta_id;
 409 };
 410
 411 /* one for each uCode image (inst/data, boot/init/runtime) */
 412 struct fw_desc {
 413         void *v_addr;           /* access by driver */
 414         dma_addr_t p_addr;      /* access by card's busmaster DMA */
 415         u32 len;                /* bytes */
 416 };
 417
 418 struct fw_img {
 419         struct fw_desc code, data;
 420 };
 421
 422 /* v1/v2 uCode file layout */
 423 struct iwl_ucode_header {
 424         __le32 ver;     /* major/minor/API/serial */
 425         union {
 426                 struct {
 427                         __le32 inst_size;       /* bytes of runtime code */
 428                         __le32 data_size;       /* bytes of runtime data */
 429                         __le32 init_size;       /* bytes of init code */
 430                         __le32 init_data_size;  /* bytes of init data */
 431                         __le32 boot_size;       /* bytes of bootstrap code */
 432                         u8 data[0];             /* in same order as sizes */
 433                 } v1;
 434                 struct {
 435                         __le32 build;           /* build number */
 436                         __le32 inst_size;       /* bytes of runtime code */
 437                         __le32 data_size;       /* bytes of runtime data */
 438                         __le32 init_size;       /* bytes of init code */
 439                         __le32 init_data_size;  /* bytes of init data */
 440                         __le32 boot_size;       /* bytes of bootstrap code */
 441                         u8 data[0];             /* in same order as sizes */
 442                 } v2;
 443         } u;
 444 };
 445
 446 /*
 447  * new TLV uCode file layout
 448  *
 449  * The new TLV file format contains TLVs, that each specify
 450  * some piece of data. To facilitate "groups", for example
 451  * different instruction image with different capabilities,
 452  * bundled with the same init image, an alternative mechanism
 453  * is provided:
 454  * When the alternative field is 0, that means that the item
 455  * is always valid. When it is non-zero, then it is only
 456  * valid in conjunction with items of the same alternative,
 457  * in which case the driver (user) selects one alternative
 458  * to use.
 459  */
 460
 461 enum iwl_ucode_tlv_type {
 462         IWL_UCODE_TLV_INVALID           = 0, /* unused */
 463         IWL_UCODE_TLV_INST              = 1,
 464         IWL_UCODE_TLV_DATA              = 2,
 465         IWL_UCODE_TLV_INIT              = 3,
 466         IWL_UCODE_TLV_INIT_DATA         = 4,
 467         IWL_UCODE_TLV_BOOT              = 5,
 468         IWL_UCODE_TLV_PROBE_MAX_LEN     = 6, /* a u32 value */
 469         IWL_UCODE_TLV_PAN               = 7,
 470         IWL_UCODE_TLV_RUNT_EVTLOG_PTR   = 8,
 471         IWL_UCODE_TLV_RUNT_EVTLOG_SIZE  = 9,
 472         IWL_UCODE_TLV_RUNT_ERRLOG_PTR   = 10,
 473         IWL_UCODE_TLV_INIT_EVTLOG_PTR   = 11,
 474         IWL_UCODE_TLV_INIT_EVTLOG_SIZE  = 12,
 475         IWL_UCODE_TLV_INIT_ERRLOG_PTR   = 13,
 476         IWL_UCODE_TLV_ENHANCE_SENS_TBL  = 14,
 477         IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15,
 478         IWL_UCODE_TLV_WOWLAN_INST       = 16,
 479         IWL_UCODE_TLV_WOWLAN_DATA       = 17,
 480         IWL_UCODE_TLV_FLAGS             = 18,
 481 };
 482
 483 /**
 484  * enum iwl_ucode_tlv_flag - ucode API flags
 485  * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
 486  *      was a separate TLV but moved here to save space.
 487  * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
 488  *      treats good CRC threshold as a boolean
 489  * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
 490  * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
 491  */
 492 enum iwl_ucode_tlv_flag {
 493         IWL_UCODE_TLV_FLAGS_PAN         = BIT(0),
 494         IWL_UCODE_TLV_FLAGS_NEWSCAN     = BIT(1),
 495         IWL_UCODE_TLV_FLAGS_MFP         = BIT(2),
 496         IWL_UCODE_TLV_FLAGS_P2P         = BIT(3),
 497 };
 498
 499 struct iwl_ucode_tlv {
 500         __le16 type;            /* see above */
 501         __le16 alternative;     /* see comment */
 502         __le32 length;          /* not including type/length fields */
 503         u8 data[0];
 504 } __packed;
 505
 506 #define IWL_TLV_UCODE_MAGIC     0x0a4c5749
 507
 508 struct iwl_tlv_ucode_header {
 509         /*
 510          * The TLV style ucode header is distinguished from
 511          * the v1/v2 style header by first four bytes being
 512          * zero, as such is an invalid combination of
 513          * major/minor/API/serial versions.
 514          */
 515         __le32 zero;
 516         __le32 magic;
 517         u8 human_readable[64];
 518         __le32 ver;             /* major/minor/API/serial */
 519         __le32 build;
 520         __le64 alternatives;    /* bitmask of valid alternatives */
 521         /*
 522          * The data contained herein has a TLV layout,
 523          * see above for the TLV header and types.
 524          * Note that each TLV is padded to a length
 525          * that is a multiple of 4 for alignment.
 526          */
 527         u8 data[0];
 528 };
 529
 530 struct iwl_sensitivity_ranges {
 531         u16 min_nrg_cck;
 532         u16 max_nrg_cck;
 533
 534         u16 nrg_th_cck;
 535         u16 nrg_th_ofdm;
 536
 537         u16 auto_corr_min_ofdm;
 538         u16 auto_corr_min_ofdm_mrc;
 539         u16 auto_corr_min_ofdm_x1;
 540         u16 auto_corr_min_ofdm_mrc_x1;
 541
 542         u16 auto_corr_max_ofdm;
 543         u16 auto_corr_max_ofdm_mrc;
 544         u16 auto_corr_max_ofdm_x1;
 545         u16 auto_corr_max_ofdm_mrc_x1;
 546
 547         u16 auto_corr_max_cck;
 548         u16 auto_corr_max_cck_mrc;
 549         u16 auto_corr_min_cck;
 550         u16 auto_corr_min_cck_mrc;
 551
 552         u16 barker_corr_th_min;
 553         u16 barker_corr_th_min_mrc;
 554         u16 nrg_th_cca;
 555 };
 556
 557
 558 #define KELVIN_TO_CELSIUS(x) ((x)-273)
 559 #define CELSIUS_TO_KELVIN(x) ((x)+273)
 560
 561
 562 /******************************************************************************
 563  *
 564  * Functions implemented in core module which are forward declared here
 565  * for use by iwl-[4-5].c
 566  *
 567  * NOTE:  The implementation of these functions are not hardware specific
 568  * which is why they are in the core module files.
 569  *
 570  * Naming convention --
 571  * iwl_         <-- Is part of iwlwifi
 572  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 573  *
 574  ****************************************************************************/
 575 extern void iwl_update_chain_flags(struct iwl_priv *priv);
 576 extern const u8 iwl_bcast_addr[ETH_ALEN];
 577
 578 #define IWL_OPERATION_MODE_AUTO     0
 579 #define IWL_OPERATION_MODE_HT_ONLY  1
 580 #define IWL_OPERATION_MODE_MIXED    2
 581 #define IWL_OPERATION_MODE_20MHZ    3
 582
 583 #define IWL_TX_CRC_SIZE 4
 584 #define IWL_TX_DELIMITER_SIZE 4
 585
 586 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
 587
 588 /* Sensitivity and chain noise calibration */
 589 #define INITIALIZATION_VALUE            0xFFFF
 590 #define IWL_CAL_NUM_BEACONS             16
 591 #define MAXIMUM_ALLOWED_PATHLOSS        15
 592
 593 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
 594
 595 #define MAX_FA_OFDM  50
 596 #define MIN_FA_OFDM  5
 597 #define MAX_FA_CCK   50
 598 #define MIN_FA_CCK   5
 599
 600 #define AUTO_CORR_STEP_OFDM       1
 601
 602 #define AUTO_CORR_STEP_CCK     3
 603 #define AUTO_CORR_MAX_TH_CCK   160
 604
 605 #define NRG_DIFF               2
 606 #define NRG_STEP_CCK           2
 607 #define NRG_MARGIN             8
 608 #define MAX_NUMBER_CCK_NO_FA 100
 609
 610 #define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
 611
 612 #define CHAIN_A             0
 613 #define CHAIN_B             1
 614 #define CHAIN_C             2
 615 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
 616 #define ALL_BAND_FILTER                 0xFF00
 617 #define IN_BAND_FILTER                  0xFF
 618 #define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF
 619
 620 #define NRG_NUM_PREV_STAT_L     20
 621 #define NUM_RX_CHAINS           3
 622
 623 enum iwlagn_false_alarm_state {
 624         IWL_FA_TOO_MANY = 0,
 625         IWL_FA_TOO_FEW = 1,
 626         IWL_FA_GOOD_RANGE = 2,
 627 };
 628
 629 enum iwlagn_chain_noise_state {
 630         IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
 631         IWL_CHAIN_NOISE_ACCUMULATE,
 632         IWL_CHAIN_NOISE_CALIBRATED,
 633         IWL_CHAIN_NOISE_DONE,
 634 };
 635
 636
 637 /*
 638  * enum iwl_calib
 639  * defines the order in which results of initial calibrations
 640  * should be sent to the runtime uCode
 641  */
 642 enum iwl_calib {
 643         IWL_CALIB_XTAL,
 644         IWL_CALIB_DC,
 645         IWL_CALIB_LO,
 646         IWL_CALIB_TX_IQ,
 647         IWL_CALIB_TX_IQ_PERD,
 648         IWL_CALIB_BASE_BAND,
 649         IWL_CALIB_TEMP_OFFSET,
 650         IWL_CALIB_MAX
 651 };
 652
 653 /* Opaque calibration results */
 654 struct iwl_calib_result {
 655         void *buf;
 656         size_t buf_len;
 657 };
 658
 659 /* Sensitivity calib data */
 660 struct iwl_sensitivity_data {
 661         u32 auto_corr_ofdm;
 662         u32 auto_corr_ofdm_mrc;
 663         u32 auto_corr_ofdm_x1;
 664         u32 auto_corr_ofdm_mrc_x1;
 665         u32 auto_corr_cck;
 666         u32 auto_corr_cck_mrc;
 667
 668         u32 last_bad_plcp_cnt_ofdm;
 669         u32 last_fa_cnt_ofdm;
 670         u32 last_bad_plcp_cnt_cck;
 671         u32 last_fa_cnt_cck;
 672
 673         u32 nrg_curr_state;
 674         u32 nrg_prev_state;
 675         u32 nrg_value[10];
 676         u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
 677         u32 nrg_silence_ref;
 678         u32 nrg_energy_idx;
 679         u32 nrg_silence_idx;
 680         u32 nrg_th_cck;
 681         s32 nrg_auto_corr_silence_diff;
 682         u32 num_in_cck_no_fa;
 683         u32 nrg_th_ofdm;
 684
 685         u16 barker_corr_th_min;
 686         u16 barker_corr_th_min_mrc;
 687         u16 nrg_th_cca;
 688 };
 689
 690 /* Chain noise (differential Rx gain) calib data */
 691 struct iwl_chain_noise_data {
 692         u32 active_chains;
 693         u32 chain_noise_a;
 694         u32 chain_noise_b;
 695         u32 chain_noise_c;
 696         u32 chain_signal_a;
 697         u32 chain_signal_b;
 698         u32 chain_signal_c;
 699         u16 beacon_count;
 700         u8 disconn_array[NUM_RX_CHAINS];
 701         u8 delta_gain_code[NUM_RX_CHAINS];
 702         u8 radio_write;
 703         u8 state;
 704 };
 705
 706 #define EEPROM_SEM_TIMEOUT 10           /* milliseconds */
 707 #define EEPROM_SEM_RETRY_LIMIT 1000     /* number of attempts (not time) */
 708
 709 #define IWL_TRAFFIC_ENTRIES     (256)
 710 #define IWL_TRAFFIC_ENTRY_SIZE  (64)
 711
 712 enum {
 713         MEASUREMENT_READY = (1 << 0),
 714         MEASUREMENT_ACTIVE = (1 << 1),
 715 };
 716
 717 enum iwl_nvm_type {
 718         NVM_DEVICE_TYPE_EEPROM = 0,
 719         NVM_DEVICE_TYPE_OTP,
 720 };
 721
 722 /*
 723  * Two types of OTP memory access modes
 724  *   IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
 725  *                              based on physical memory addressing
 726  *   IWL_OTP_ACCESS_RELATIVE - relative address mode,
 727  *                             based on logical memory addressing
 728  */
 729 enum iwl_access_mode {
 730         IWL_OTP_ACCESS_ABSOLUTE,
 731         IWL_OTP_ACCESS_RELATIVE,
 732 };
 733
 734 /**
 735  * enum iwl_pa_type - Power Amplifier type
 736  * @IWL_PA_SYSTEM:  based on uCode configuration
 737  * @IWL_PA_INTERNAL: use Internal only
 738  */
 739 enum iwl_pa_type {
 740         IWL_PA_SYSTEM = 0,
 741         IWL_PA_INTERNAL = 1,
 742 };
 743
 744 /* reply_tx_statistics (for _agn devices) */
 745 struct reply_tx_error_statistics {
 746         u32 pp_delay;
 747         u32 pp_few_bytes;
 748         u32 pp_bt_prio;
 749         u32 pp_quiet_period;
 750         u32 pp_calc_ttak;
 751         u32 int_crossed_retry;
 752         u32 short_limit;
 753         u32 long_limit;
 754         u32 fifo_underrun;
 755         u32 drain_flow;
 756         u32 rfkill_flush;
 757         u32 life_expire;
 758         u32 dest_ps;
 759         u32 host_abort;
 760         u32 bt_retry;
 761         u32 sta_invalid;
 762         u32 frag_drop;
 763         u32 tid_disable;
 764         u32 fifo_flush;
 765         u32 insuff_cf_poll;
 766         u32 fail_hw_drop;
 767         u32 sta_color_mismatch;
 768         u32 unknown;
 769 };
 770
 771 /* reply_agg_tx_statistics (for _agn devices) */
 772 struct reply_agg_tx_error_statistics {
 773         u32 underrun;
 774         u32 bt_prio;
 775         u32 few_bytes;
 776         u32 abort;
 777         u32 last_sent_ttl;
 778         u32 last_sent_try;
 779         u32 last_sent_bt_kill;
 780         u32 scd_query;
 781         u32 bad_crc32;
 782         u32 response;
 783         u32 dump_tx;
 784         u32 delay_tx;
 785         u32 unknown;
 786 };
 787
 788 /* management statistics */
 789 enum iwl_mgmt_stats {
 790         MANAGEMENT_ASSOC_REQ = 0,
 791         MANAGEMENT_ASSOC_RESP,
 792         MANAGEMENT_REASSOC_REQ,
 793         MANAGEMENT_REASSOC_RESP,
 794         MANAGEMENT_PROBE_REQ,
 795         MANAGEMENT_PROBE_RESP,
 796         MANAGEMENT_BEACON,
 797         MANAGEMENT_ATIM,
 798         MANAGEMENT_DISASSOC,
 799         MANAGEMENT_AUTH,
 800         MANAGEMENT_DEAUTH,
 801         MANAGEMENT_ACTION,
 802         MANAGEMENT_MAX,
 803 };
 804 /* control statistics */
 805 enum iwl_ctrl_stats {
 806         CONTROL_BACK_REQ =  0,
 807         CONTROL_BACK,
 808         CONTROL_PSPOLL,
 809         CONTROL_RTS,
 810         CONTROL_CTS,
 811         CONTROL_ACK,
 812         CONTROL_CFEND,
 813         CONTROL_CFENDACK,
 814         CONTROL_MAX,
 815 };
 816
 817 struct traffic_stats {
 818 #ifdef CONFIG_IWLWIFI_DEBUGFS
 819         u32 mgmt[MANAGEMENT_MAX];
 820         u32 ctrl[CONTROL_MAX];
 821         u32 data_cnt;
 822         u64 data_bytes;
 823 #endif
 824 };
 825
 826 /*
 827  * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
 828  * to perform continuous uCode event logging operation if enabled
 829  */
 830 #define UCODE_TRACE_PERIOD (100)
 831
 832 /*
 833  * iwl_event_log: current uCode event log position
 834  *
 835  * @ucode_trace: enable/disable ucode continuous trace timer
 836  * @num_wraps: how many times the event buffer wraps
 837  * @next_entry:  the entry just before the next one that uCode would fill
 838  * @non_wraps_count: counter for no wrap detected when dump ucode events
 839  * @wraps_once_count: counter for wrap once detected when dump ucode events
 840  * @wraps_more_count: counter for wrap more than once detected
 841  *                    when dump ucode events
 842  */
 843 struct iwl_event_log {
 844         bool ucode_trace;
 845         u32 num_wraps;
 846         u32 next_entry;
 847         int non_wraps_count;
 848         int wraps_once_count;
 849         int wraps_more_count;
 850 };
 851
 852 /*
 853  * host interrupt timeout value
 854  * used with setting interrupt coalescing timer
 855  * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
 856  *
 857  * default interrupt coalescing timer is 64 x 32 = 2048 usecs
 858  * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
 859  */
 860 #define IWL_HOST_INT_TIMEOUT_MAX        (0xFF)
 861 #define IWL_HOST_INT_TIMEOUT_DEF        (0x40)
 862 #define IWL_HOST_INT_TIMEOUT_MIN        (0x0)
 863 #define IWL_HOST_INT_CALIB_TIMEOUT_MAX  (0xFF)
 864 #define IWL_HOST_INT_CALIB_TIMEOUT_DEF  (0x10)
 865 #define IWL_HOST_INT_CALIB_TIMEOUT_MIN  (0x0)
 866
 867 /*
 868  * This is the threshold value of plcp error rate per 100mSecs.  It is
 869  * used to set and check for the validity of plcp_delta.
 870  */
 871 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN  (1)
 872 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF  (50)
 873 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF     (100)
 874 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
 875 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX  (255)
 876 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE      (0)
 877
 878 #define IWL_DELAY_NEXT_FORCE_RF_RESET  (HZ*3)
 879 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
 880
 881 /* TX queue watchdog timeouts in mSecs */
 882 #define IWL_DEF_WD_TIMEOUT      (2000)
 883 #define IWL_LONG_WD_TIMEOUT     (10000)
 884 #define IWL_MAX_WD_TIMEOUT      (120000)
 885
 886 /* BT Antenna Coupling Threshold (dB) */
 887 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD       (35)
 888
 889 /* Firmware reload counter and Timestamp */
 890 #define IWL_MIN_RELOAD_DURATION         1000 /* 1000 ms */
 891 #define IWL_MAX_CONTINUE_RELOAD_CNT     4
 892
 893
 894 enum iwl_reset {
 895         IWL_RF_RESET = 0,
 896         IWL_FW_RESET,
 897         IWL_MAX_FORCE_RESET,
 898 };
 899
 900 struct iwl_force_reset {
 901         int reset_request_count;
 902         int reset_success_count;
 903         int reset_reject_count;
 904         unsigned long reset_duration;
 905         unsigned long last_force_reset_jiffies;
 906 };
 907
 908 /* extend beacon time format bit shifting  */
 909 /*
 910  * for _agn devices
 911  * bits 31:22 - extended
 912  * bits 21:0  - interval
 913  */
 914 #define IWLAGN_EXT_BEACON_TIME_POS      22
 915
 916 /**
 917  * struct iwl_notification_wait - notification wait entry
 918  * @list: list head for global list
 919  * @fn: function called with the notification
 920  * @cmd: command ID
 921  *
 922  * This structure is not used directly, to wait for a
 923  * notification declare it on the stack, and call
 924  * iwlagn_init_notification_wait() with appropriate
 925  * parameters. Then do whatever will cause the ucode
 926  * to notify the driver, and to wait for that then
 927  * call iwlagn_wait_notification().
 928  *
 929  * Each notification is one-shot. If at some point we
 930  * need to support multi-shot notifications (which
 931  * can't be allocated on the stack) we need to modify
 932  * the code for them.
 933  */
 934 struct iwl_notification_wait {
 935         struct list_head list;
 936
 937         void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt,
 938                    void *data);
 939         void *fn_data;
 940
 941         u8 cmd;
 942         bool triggered, aborted;
 943 };
 944
 945 struct iwl_rxon_context {
 946         struct ieee80211_vif *vif;
 947
 948         /*
 949          * We could use the vif to indicate active, but we
 950          * also need it to be active during disabling when
 951          * we already removed the vif for type setting.
 952          */
 953         bool always_active, is_active;
 954
 955         bool ht_need_multiple_chains;
 956
 957         enum iwl_rxon_context_id ctxid;
 958
 959         u32 interface_modes, exclusive_interface_modes;
 960         u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
 961
 962         /*
 963          * We declare this const so it can only be
 964          * changed via explicit cast within the
 965          * routines that actually update the physical
 966          * hardware.
 967          */
 968         const struct iwl_rxon_cmd active;
 969         struct iwl_rxon_cmd staging;
 970
 971         struct iwl_rxon_time_cmd timing;
 972
 973         struct iwl_qos_info qos_data;
 974
 975         u8 bcast_sta_id, ap_sta_id;
 976
 977         u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
 978         u8 qos_cmd;
 979         u8 wep_key_cmd;
 980
 981         struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
 982         u8 key_mapping_keys;
 983
 984         __le32 station_flags;
 985
 986         int beacon_int;
 987
 988         struct {
 989                 bool non_gf_sta_present;
 990                 u8 protection;
 991                 bool enabled, is_40mhz;
 992                 u8 extension_chan_offset;
 993         } ht;
 994
 995         bool last_tx_rejected;
 996 };
 997
 998 enum iwl_scan_type {
 999         IWL_SCAN_NORMAL,
1000         IWL_SCAN_RADIO_RESET,
1001         IWL_SCAN_ROC,
1002 };
1003
1004 enum iwlagn_ucode_type {
1005         IWL_UCODE_NONE,
1006         IWL_UCODE_REGULAR,
1007         IWL_UCODE_INIT,
1008         IWL_UCODE_WOWLAN,
1009 };
1010
1011 #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
1012 struct iwl_testmode_trace {
1013         u32 buff_size;
1014         u32 total_size;
1015         u32 num_chunks;
1016         u8 *cpu_addr;
1017         u8 *trace_addr;
1018         dma_addr_t dma_addr;
1019         bool trace_enabled;
1020 };
1021 #endif
1022
1023 struct iwl_priv {
1024
1025         /*data shared among all the driver's layers */
1026         struct iwl_shared _shrd;
1027         struct iwl_shared *shrd;
1028
1029         /* ieee device used by generic ieee processing code */
1030         struct ieee80211_hw *hw;
1031         struct ieee80211_channel *ieee_channels;
1032         struct ieee80211_rate *ieee_rates;
1033         struct kmem_cache *tx_cmd_pool;
1034         struct iwl_cfg *cfg;
1035
1036         enum ieee80211_band band;
1037
1038         void (*pre_rx_handler)(struct iwl_priv *priv,
1039                                struct iwl_rx_mem_buffer *rxb);
1040         void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
1041                                        struct iwl_rx_mem_buffer *rxb);
1042
1043         struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
1044
1045         /* spectrum measurement report caching */
1046         struct iwl_spectrum_notification measure_report;
1047         u8 measurement_status;
1048
1049         /* ucode beacon time */
1050         u32 ucode_beacon_time;
1051         int missed_beacon_threshold;
1052
1053         /* track IBSS manager (last beacon) status */
1054         u32 ibss_manager;
1055
1056         /* jiffies when last recovery from statistics was performed */
1057         unsigned long rx_statistics_jiffies;
1058
1059         /*counters */
1060         u32 rx_handlers_stats[REPLY_MAX];
1061
1062         /* force reset */
1063         struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
1064
1065         /* firmware reload counter and timestamp */
1066         unsigned long reload_jiffies;
1067         int reload_count;
1068
1069         /* we allocate array of iwl_channel_info for NIC's valid channels.
1070          *    Access via channel # using indirect index array */
1071         struct iwl_channel_info *channel_info;  /* channel info array */
1072         u8 channel_count;       /* # of channels */
1073
1074         /* thermal calibration */
1075         s32 temperature;        /* degrees Kelvin */
1076         s32 last_temperature;
1077
1078         /* init calibration results */
1079         struct iwl_calib_result calib_results[IWL_CALIB_MAX];
1080
1081         /* Scan related variables */
1082         unsigned long scan_start;
1083         unsigned long scan_start_tsf;
1084         void *scan_cmd;
1085         enum ieee80211_band scan_band;
1086         struct cfg80211_scan_request *scan_request;
1087         struct ieee80211_vif *scan_vif;
1088         enum iwl_scan_type scan_type;
1089         u8 scan_tx_ant[IEEE80211_NUM_BANDS];
1090         u8 mgmt_tx_ant;
1091
1092         /*TODO: remove these pointers - use bus(priv) instead */
1093         struct iwl_bus *bus;    /* bus specific data */
1094
1095         /* microcode/device supports multiple contexts */
1096         u8 valid_contexts;
1097
1098         /* max number of station keys */
1099         u8 sta_key_max_num;
1100
1101         bool new_scan_threshold_behaviour;
1102
1103         /* EEPROM MAC addresses */
1104         struct mac_address addresses[2];
1105
1106         /* uCode images, save to reload in case of failure */
1107         int fw_index;                   /* firmware we're trying to load */
1108         u32 ucode_ver;                  /* version of ucode, copy of
1109                                            iwl_ucode.ver */
1110
1111         struct fw_img ucode_rt;
1112         struct fw_img ucode_init;
1113         struct fw_img ucode_wowlan;
1114
1115         enum iwlagn_ucode_type ucode_type;
1116         u8 ucode_write_complete;        /* the image write is complete */
1117         char firmware_name[25];
1118
1119         struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
1120
1121         __le16 switch_channel;
1122
1123         struct {
1124                 u32 error_event_table;
1125                 u32 log_event_table;
1126         } device_pointers;
1127
1128         u16 active_rate;
1129
1130         u8 start_calib;
1131         struct iwl_sensitivity_data sensitivity_data;
1132         struct iwl_chain_noise_data chain_noise_data;
1133         bool enhance_sensitivity_table;
1134         __le16 sensitivity_tbl[HD_TABLE_SIZE];
1135         __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
1136
1137         struct iwl_ht_config current_ht_config;
1138
1139         /* Rate scaling data */
1140         u8 retry_rate;
1141
1142         wait_queue_head_t wait_command_queue;
1143
1144         int activity_timer_active;
1145
1146         /* counts mgmt, ctl, and data packets */
1147         struct traffic_stats tx_stats;
1148         struct traffic_stats rx_stats;
1149
1150         struct iwl_power_mgr power_data;
1151         struct iwl_tt_mgmt thermal_throttle;
1152
1153         /* station table variables */
1154         int num_stations;
1155         struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
1156         unsigned long ucode_key_table;
1157
1158         /* Indication if ieee80211_ops->open has been called */
1159         u8 is_open;
1160
1161         /* eeprom -- this is in the card's little endian byte order */
1162         u8 *eeprom;
1163         int    nvm_device_type;
1164         struct iwl_eeprom_calib_info *calib_info;
1165
1166         enum nl80211_iftype iw_mode;
1167
1168         /* Last Rx'd beacon timestamp */
1169         u64 timestamp;
1170
1171         struct {
1172                 __le32 flag;
1173                 struct statistics_general_common common;
1174                 struct statistics_rx_non_phy rx_non_phy;
1175                 struct statistics_rx_phy rx_ofdm;
1176                 struct statistics_rx_ht_phy rx_ofdm_ht;
1177                 struct statistics_rx_phy rx_cck;
1178                 struct statistics_tx tx;
1179 #ifdef CONFIG_IWLWIFI_DEBUGFS
1180                 struct statistics_bt_activity bt_activity;
1181                 __le32 num_bt_kills, accum_num_bt_kills;
1182 #endif
1183         } statistics;
1184 #ifdef CONFIG_IWLWIFI_DEBUGFS
1185         struct {
1186                 struct statistics_general_common common;
1187                 struct statistics_rx_non_phy rx_non_phy;
1188                 struct statistics_rx_phy rx_ofdm;
1189                 struct statistics_rx_ht_phy rx_ofdm_ht;
1190                 struct statistics_rx_phy rx_cck;
1191                 struct statistics_tx tx;
1192                 struct statistics_bt_activity bt_activity;
1193         } accum_stats, delta_stats, max_delta_stats;
1194 #endif
1195
1196         /*
1197          * reporting the number of tids has AGG on. 0 means
1198          * no AGGREGATION
1199          */
1200         u8 agg_tids_count;
1201
1202         struct iwl_rx_phy_res last_phy_res;
1203         bool last_phy_res_valid;
1204
1205         struct completion firmware_loading_complete;
1206
1207         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
1208         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
1209
1210         /*
1211          * chain noise reset and gain commands are the
1212          * two extra calibration commands follows the standard
1213          * phy calibration commands
1214          */
1215         u8 phy_calib_chain_noise_reset_cmd;
1216         u8 phy_calib_chain_noise_gain_cmd;
1217
1218         /* counts reply_tx error */
1219         struct reply_tx_error_statistics reply_tx_stats;
1220         struct reply_agg_tx_error_statistics reply_agg_tx_stats;
1221         /* notification wait support */
1222         struct list_head notif_waits;
1223         spinlock_t notif_wait_lock;
1224         wait_queue_head_t notif_waitq;
1225
1226         /* remain-on-channel offload support */
1227         struct ieee80211_channel *hw_roc_channel;
1228         struct delayed_work hw_roc_disable_work;
1229         enum nl80211_channel_type hw_roc_chantype;
1230         int hw_roc_duration;
1231         bool hw_roc_setup;
1232
1233         /* bt coex */
1234         u8 bt_enable_flag;
1235         u8 bt_status;
1236         u8 bt_traffic_load, last_bt_traffic_load;
1237         bool bt_ch_announce;
1238         bool bt_full_concurrent;
1239         bool bt_ant_couple_ok;
1240         __le32 kill_ack_mask;
1241         __le32 kill_cts_mask;
1242         __le16 bt_valid;
1243         u16 bt_on_thresh;
1244         u16 bt_duration;
1245         u16 dynamic_frag_thresh;
1246         u8 bt_ci_compliance;
1247         struct work_struct bt_traffic_change_work;
1248         bool bt_enable_pspoll;
1249         struct iwl_rxon_context *cur_rssi_ctx;
1250         bool bt_is_sco;
1251
1252         struct work_struct restart;
1253         struct work_struct scan_completed;
1254         struct work_struct abort_scan;
1255
1256         struct work_struct beacon_update;
1257         struct iwl_rxon_context *beacon_ctx;
1258         struct sk_buff *beacon_skb;
1259         void *beacon_cmd;
1260
1261         struct work_struct tt_work;
1262         struct work_struct ct_enter;
1263         struct work_struct ct_exit;
1264         struct work_struct start_internal_scan;
1265         struct work_struct tx_flush;
1266         struct work_struct bt_full_concurrency;
1267         struct work_struct bt_runtime_config;
1268
1269         struct delayed_work scan_check;
1270
1271         /* TX Power */
1272         s8 tx_power_user_lmt;
1273         s8 tx_power_device_lmt;
1274         s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
1275         s8 tx_power_next;
1276
1277 #ifdef CONFIG_IWLWIFI_DEBUGFS
1278         /* debugfs */
1279         u16 tx_traffic_idx;
1280         u16 rx_traffic_idx;
1281         u8 *tx_traffic;
1282         u8 *rx_traffic;
1283         struct dentry *debugfs_dir;
1284         u32 dbgfs_sram_offset, dbgfs_sram_len;
1285         bool disable_ht40;
1286         void *wowlan_sram;
1287 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1288
1289         struct work_struct txpower_work;
1290         u32 disable_sens_cal;
1291         u32 disable_chain_noise_cal;
1292         struct work_struct run_time_calib_work;
1293         struct timer_list statistics_periodic;
1294         struct timer_list ucode_trace;
1295         struct timer_list watchdog;
1296
1297         struct iwl_event_log event_log;
1298
1299         struct led_classdev led;
1300         unsigned long blink_on, blink_off;
1301         bool led_registered;
1302 #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
1303         struct iwl_testmode_trace testmode_trace;
1304         u32 tm_fixed_rate;
1305 #endif
1306
1307         /* WoWLAN GTK rekey data */
1308         u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
1309         __le64 replay_ctr;
1310         __le16 last_seq_ctl;
1311         bool have_rekey_data;
1312 }; /*iwl_priv */
1313
1314 extern struct iwl_mod_params iwlagn_mod_params;
1315
1316 static inline struct iwl_rxon_context *
1317 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
1318 {
1319         struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
1320
1321         return vif_priv->ctx;
1322 }
1323
1324 #define for_each_context(priv, ctx)                             \
1325         for (ctx = &priv->contexts[IWL_RXON_CTX_BSS];           \
1326              ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++)    \
1327                 if (priv->valid_contexts & BIT(ctx->ctxid))
1328
1329 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
1330 {
1331         return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1332 }
1333
1334 static inline int iwl_is_associated(struct iwl_priv *priv,
1335                                     enum iwl_rxon_context_id ctxid)
1336 {
1337         return iwl_is_associated_ctx(&priv->contexts[ctxid]);
1338 }
1339
1340 static inline int iwl_is_any_associated(struct iwl_priv *priv)
1341 {
1342         struct iwl_rxon_context *ctx;
1343         for_each_context(priv, ctx)
1344                 if (iwl_is_associated_ctx(ctx))
1345                         return true;
1346         return false;
1347 }
1348
1349 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1350 {
1351         if (ch_info == NULL)
1352                 return 0;
1353         return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1354 }
1355
1356 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1357 {
1358         return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1359 }
1360
1361 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1362 {
1363         return ch_info->band == IEEE80211_BAND_5GHZ;
1364 }
1365
1366 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1367 {
1368         return ch_info->band == IEEE80211_BAND_2GHZ;
1369 }
1370
1371 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1372 {
1373         return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1374 }
1375
1376 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1377 {
1378         return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1379 }
1380
1381 #endif                          /* __iwl_dev_h__ */