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

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  *  Intel Linux Wireless <ilw@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26 /*
  27  * Please use this file (iwl-dev.h) for driver implementation definitions.
  28  * Please use iwl-commands.h for uCode API definitions.
  29  * Please use iwl-4965-hw.h for hardware-related definitions.
  30  */
  31
  32 #ifndef __iwl_dev_h__
  33 #define __iwl_dev_h__
  34
  35 #include <linux/pci.h> /* for struct pci_device_id */
  36 #include <linux/kernel.h>
  37 #include <net/ieee80211_radiotap.h>
  38
  39 #include "iwl-eeprom.h"
  40 #include "iwl-csr.h"
  41 #include "iwl-prph.h"
  42 #include "iwl-fh.h"
  43 #include "iwl-debug.h"
  44 #include "iwl-4965-hw.h"
  45 #include "iwl-3945-hw.h"
  46 #include "iwl-led.h"
  47 #include "iwl-power.h"
  48 #include "iwl-agn-rs.h"
  49
  50 /* configuration for the iwl4965 */
  51 extern struct iwl_cfg iwl4965_agn_cfg;
  52 extern struct iwl_cfg iwl5300_agn_cfg;
  53 extern struct iwl_cfg iwl5100_agn_cfg;
  54 extern struct iwl_cfg iwl5350_agn_cfg;
  55 extern struct iwl_cfg iwl5100_bg_cfg;
  56 extern struct iwl_cfg iwl5100_abg_cfg;
  57 extern struct iwl_cfg iwl5150_agn_cfg;
  58 extern struct iwl_cfg iwl6000h_2agn_cfg;
  59 extern struct iwl_cfg iwl6000h_2abg_cfg;
  60 extern struct iwl_cfg iwl6000h_2bg_cfg;
  61 extern struct iwl_cfg iwl6000i_2agn_cfg;
  62 extern struct iwl_cfg iwl6000i_2abg_cfg;
  63 extern struct iwl_cfg iwl6000i_2bg_cfg;
  64 extern struct iwl_cfg iwl6000_3agn_cfg;
  65 extern struct iwl_cfg iwl6050_2agn_cfg;
  66 extern struct iwl_cfg iwl6050_2abg_cfg;
  67 extern struct iwl_cfg iwl6050_3agn_cfg;
  68 extern struct iwl_cfg iwl1000_bgn_cfg;
  69 extern struct iwl_cfg iwl1000_bg_cfg;
  70
  71 struct iwl_tx_queue;
  72
  73 /* shared structures from iwl-5000.c */
  74 extern struct iwl_mod_params iwl50_mod_params;
  75 extern struct iwl_ucode_ops iwl5000_ucode;
  76 extern struct iwl_lib_ops iwl5000_lib;
  77 extern struct iwl_hcmd_ops iwl5000_hcmd;
  78 extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils;
  79
  80 /* shared functions from iwl-5000.c */
  81 extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len);
  82 extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd,
  83                                      u8 *data);
  84 extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
  85                                     __le32 *tx_flags);
  86 extern int iwl5000_calc_rssi(struct iwl_priv *priv,
  87                              struct iwl_rx_phy_res *rx_resp);
  88 extern int iwl5000_apm_init(struct iwl_priv *priv);
  89 extern void iwl5000_nic_config(struct iwl_priv *priv);
  90 extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv);
  91 extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv,
  92                                     size_t offset);
  93 extern void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv,
  94                                             struct iwl_tx_queue *txq,
  95                                             u16 byte_cnt);
  96 extern void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv,
  97                                     struct iwl_tx_queue *txq);
  98 extern int iwl5000_load_ucode(struct iwl_priv *priv);
  99 extern void iwl5000_init_alive_start(struct iwl_priv *priv);
 100 extern int iwl5000_alive_notify(struct iwl_priv *priv);
 101 extern int iwl5000_hw_set_hw_params(struct iwl_priv *priv);
 102 extern int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id,
 103                            int tx_fifo, int sta_id, int tid, u16 ssn_idx);
 104 extern int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
 105                             u16 ssn_idx, u8 tx_fifo);
 106 extern void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask);
 107 extern void iwl5000_setup_deferred_work(struct iwl_priv *priv);
 108 extern void iwl5000_rx_handler_setup(struct iwl_priv *priv);
 109 extern int iwl5000_hw_valid_rtc_data_addr(u32 addr);
 110 extern int iwl5000_send_tx_power(struct iwl_priv *priv);
 111 extern void iwl5000_temperature(struct iwl_priv *priv);
 112
 113 /* CT-KILL constants */
 114 #define CT_KILL_THRESHOLD_LEGACY   110 /* in Celsius */
 115 #define CT_KILL_THRESHOLD          114 /* in Celsius */
 116 #define CT_KILL_EXIT_THRESHOLD     95  /* in Celsius */
 117
 118 /* Default noise level to report when noise measurement is not available.
 119  *   This may be because we're:
 120  *   1)  Not associated (4965, no beacon statistics being sent to driver)
 121  *   2)  Scanning (noise measurement does not apply to associated channel)
 122  *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
 123  * Use default noise value of -127 ... this is below the range of measurable
 124  *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
 125  *   Also, -127 works better than 0 when averaging frames with/without
 126  *   noise info (e.g. averaging might be done in app); measured dBm values are
 127  *   always negative ... using a negative value as the default keeps all
 128  *   averages within an s8's (used in some apps) range of negative values. */
 129 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
 130
 131 /*
 132  * RTS threshold here is total size [2347] minus 4 FCS bytes
 133  * Per spec:
 134  *   a value of 0 means RTS on all data/management packets
 135  *   a value > max MSDU size means no RTS
 136  * else RTS for data/management frames where MPDU is larger
 137  *   than RTS value.
 138  */
 139 #define DEFAULT_RTS_THRESHOLD     2347U
 140 #define MIN_RTS_THRESHOLD         0U
 141 #define MAX_RTS_THRESHOLD         2347U
 142 #define MAX_MSDU_SIZE             2304U
 143 #define MAX_MPDU_SIZE             2346U
 144 #define DEFAULT_BEACON_INTERVAL   100U
 145 #define DEFAULT_SHORT_RETRY_LIMIT 7U
 146 #define DEFAULT_LONG_RETRY_LIMIT  4U
 147
 148 struct iwl_rx_mem_buffer {
 149         dma_addr_t real_dma_addr;
 150         dma_addr_t aligned_dma_addr;
 151         struct sk_buff *skb;
 152         struct list_head list;
 153 };
 154
 155 /* defined below */
 156 struct iwl_device_cmd;
 157
 158 struct iwl_cmd_meta {
 159         /* only for SYNC commands, iff the reply skb is wanted */
 160         struct iwl_host_cmd *source;
 161         /*
 162          * only for ASYNC commands
 163          * (which is somewhat stupid -- look at iwl-sta.c for instance
 164          * which duplicates a bunch of code because the callback isn't
 165          * invoked for SYNC commands, if it were and its result passed
 166          * through it would be simpler...)
 167          */
 168         void (*callback)(struct iwl_priv *priv,
 169                          struct iwl_device_cmd *cmd,
 170                          struct sk_buff *skb);
 171
 172         /* The CMD_SIZE_HUGE flag bit indicates that the command
 173          * structure is stored at the end of the shared queue memory. */
 174         u32 flags;
 175
 176         DECLARE_PCI_UNMAP_ADDR(mapping)
 177         DECLARE_PCI_UNMAP_LEN(len)
 178 };
 179
 180 /*
 181  * Generic queue structure
 182  *
 183  * Contains common data for Rx and Tx queues
 184  */
 185 struct iwl_queue {
 186         int n_bd;              /* number of BDs in this queue */
 187         int write_ptr;       /* 1-st empty entry (index) host_w*/
 188         int read_ptr;         /* last used entry (index) host_r*/
 189         dma_addr_t dma_addr;   /* physical addr for BD's */
 190         int n_window;          /* safe queue window */
 191         u32 id;
 192         int low_mark;          /* low watermark, resume queue if free
 193                                 * space more than this */
 194         int high_mark;         /* high watermark, stop queue if free
 195                                 * space less than this */
 196 } __attribute__ ((packed));
 197
 198 /* One for each TFD */
 199 struct iwl_tx_info {
 200         struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
 201 };
 202
 203 /**
 204  * struct iwl_tx_queue - Tx Queue for DMA
 205  * @q: generic Rx/Tx queue descriptor
 206  * @bd: base of circular buffer of TFDs
 207  * @cmd: array of command/TX buffer pointers
 208  * @meta: array of meta data for each command/tx buffer
 209  * @dma_addr_cmd: physical address of cmd/tx buffer array
 210  * @txb: array of per-TFD driver data
 211  * @need_update: indicates need to update read/write index
 212  * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
 213  *
 214  * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
 215  * descriptors) and required locking structures.
 216  */
 217 #define TFD_TX_CMD_SLOTS 256
 218 #define TFD_CMD_SLOTS 32
 219
 220 struct iwl_tx_queue {
 221         struct iwl_queue q;
 222         void *tfds;
 223         struct iwl_device_cmd **cmd;
 224         struct iwl_cmd_meta *meta;
 225         struct iwl_tx_info *txb;
 226         u8 need_update;
 227         u8 sched_retry;
 228         u8 active;
 229         u8 swq_id;
 230 };
 231
 232 #define IWL_NUM_SCAN_RATES         (2)
 233
 234 struct iwl4965_channel_tgd_info {
 235         u8 type;
 236         s8 max_power;
 237 };
 238
 239 struct iwl4965_channel_tgh_info {
 240         s64 last_radar_time;
 241 };
 242
 243 #define IWL4965_MAX_RATE (33)
 244
 245 struct iwl3945_clip_group {
 246         /* maximum power level to prevent clipping for each rate, derived by
 247          *   us from this band's saturation power in EEPROM */
 248         const s8 clip_powers[IWL_MAX_RATES];
 249 };
 250
 251 /* current Tx power values to use, one for each rate for each channel.
 252  * requested power is limited by:
 253  * -- regulatory EEPROM limits for this channel
 254  * -- hardware capabilities (clip-powers)
 255  * -- spectrum management
 256  * -- user preference (e.g. iwconfig)
 257  * when requested power is set, base power index must also be set. */
 258 struct iwl3945_channel_power_info {
 259         struct iwl3945_tx_power tpc;    /* actual radio and DSP gain settings */
 260         s8 power_table_index;   /* actual (compenst'd) index into gain table */
 261         s8 base_power_index;    /* gain index for power at factory temp. */
 262         s8 requested_power;     /* power (dBm) requested for this chnl/rate */
 263 };
 264
 265 /* current scan Tx power values to use, one for each scan rate for each
 266  * channel. */
 267 struct iwl3945_scan_power_info {
 268         struct iwl3945_tx_power tpc;    /* actual radio and DSP gain settings */
 269         s8 power_table_index;   /* actual (compenst'd) index into gain table */
 270         s8 requested_power;     /* scan pwr (dBm) requested for chnl/rate */
 271 };
 272
 273 /*
 274  * One for each channel, holds all channel setup data
 275  * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
 276  *     with one another!
 277  */
 278 struct iwl_channel_info {
 279         struct iwl4965_channel_tgd_info tgd;
 280         struct iwl4965_channel_tgh_info tgh;
 281         struct iwl_eeprom_channel eeprom;       /* EEPROM regulatory limit */
 282         struct iwl_eeprom_channel ht40_eeprom;  /* EEPROM regulatory limit for
 283                                                  * HT40 channel */
 284
 285         u8 channel;       /* channel number */
 286         u8 flags;         /* flags copied from EEPROM */
 287         s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
 288         s8 curr_txpow;    /* (dBm) regulatory/spectrum/user (not h/w) limit */
 289         s8 min_power;     /* always 0 */
 290         s8 scan_power;    /* (dBm) regul. eeprom, direct scans, any rate */
 291
 292         u8 group_index;   /* 0-4, maps channel to group1/2/3/4/5 */
 293         u8 band_index;    /* 0-4, maps channel to band1/2/3/4/5 */
 294         enum ieee80211_band band;
 295
 296         /* HT40 channel info */
 297         s8 ht40_max_power_avg;  /* (dBm) regul. eeprom, normal Tx, any rate */
 298         s8 ht40_curr_txpow;     /* (dBm) regulatory/spectrum/user (not h/w) */
 299         s8 ht40_min_power;      /* always 0 */
 300         s8 ht40_scan_power;     /* (dBm) eeprom, direct scans, any rate */
 301         u8 ht40_flags;          /* flags copied from EEPROM */
 302         u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
 303
 304         /* Radio/DSP gain settings for each "normal" data Tx rate.
 305          * These include, in addition to RF and DSP gain, a few fields for
 306          *   remembering/modifying gain settings (indexes). */
 307         struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
 308
 309         /* Radio/DSP gain settings for each scan rate, for directed scans. */
 310         struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
 311 };
 312
 313 #define IWL_TX_FIFO_AC0 0
 314 #define IWL_TX_FIFO_AC1 1
 315 #define IWL_TX_FIFO_AC2 2
 316 #define IWL_TX_FIFO_AC3 3
 317 #define IWL_TX_FIFO_HCCA_1      5
 318 #define IWL_TX_FIFO_HCCA_2      6
 319 #define IWL_TX_FIFO_NONE        7
 320
 321 /* Minimum number of queues. MAX_NUM is defined in hw specific files.
 322  * Set the minimum to accommodate the 4 standard TX queues, 1 command
 323  * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
 324 #define IWL_MIN_NUM_QUEUES      10
 325
 326 /* Power management (not Tx power) structures */
 327
 328 enum iwl_pwr_src {
 329         IWL_PWR_SRC_VMAIN,
 330         IWL_PWR_SRC_VAUX,
 331 };
 332
 333 #define IEEE80211_DATA_LEN              2304
 334 #define IEEE80211_4ADDR_LEN             30
 335 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
 336 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 337
 338 struct iwl_frame {
 339         union {
 340                 struct ieee80211_hdr frame;
 341                 struct iwl_tx_beacon_cmd beacon;
 342                 u8 raw[IEEE80211_FRAME_LEN];
 343                 u8 cmd[360];
 344         } u;
 345         struct list_head list;
 346 };
 347
 348 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 349 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 350 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
 351
 352 enum {
 353         CMD_SYNC = 0,
 354         CMD_SIZE_NORMAL = 0,
 355         CMD_NO_SKB = 0,
 356         CMD_SIZE_HUGE = (1 << 0),
 357         CMD_ASYNC = (1 << 1),
 358         CMD_WANT_SKB = (1 << 2),
 359 };
 360
 361 #define IWL_CMD_MAX_PAYLOAD 320
 362
 363 /**
 364  * struct iwl_device_cmd
 365  *
 366  * For allocation of the command and tx queues, this establishes the overall
 367  * size of the largest command we send to uCode, except for a scan command
 368  * (which is relatively huge; space is allocated separately).
 369  */
 370 struct iwl_device_cmd {
 371         struct iwl_cmd_header hdr;      /* uCode API */
 372         union {
 373                 u32 flags;
 374                 u8 val8;
 375                 u16 val16;
 376                 u32 val32;
 377                 struct iwl_tx_cmd tx;
 378                 u8 payload[IWL_CMD_MAX_PAYLOAD];
 379         } __attribute__ ((packed)) cmd;
 380 } __attribute__ ((packed));
 381
 382 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
 383
 384
 385 struct iwl_host_cmd {
 386         const void *data;
 387         struct sk_buff *reply_skb;
 388         void (*callback)(struct iwl_priv *priv,
 389                          struct iwl_device_cmd *cmd,
 390                          struct sk_buff *skb);
 391         u32 flags;
 392         u16 len;
 393         u8 id;
 394 };
 395
 396 /*
 397  * RX related structures and functions
 398  */
 399 #define RX_FREE_BUFFERS 64
 400 #define RX_LOW_WATERMARK 8
 401
 402 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
 403 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
 404 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
 405
 406 /**
 407  * struct iwl_rx_queue - Rx queue
 408  * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
 409  * @dma_addr: bus address of buffer of receive buffer descriptors (rbd)
 410  * @read: Shared index to newest available Rx buffer
 411  * @write: Shared index to oldest written Rx packet
 412  * @free_count: Number of pre-allocated buffers in rx_free
 413  * @rx_free: list of free SKBs for use
 414  * @rx_used: List of Rx buffers with no SKB
 415  * @need_update: flag to indicate we need to update read/write index
 416  * @rb_stts: driver's pointer to receive buffer status
 417  * @rb_stts_dma: bus address of receive buffer status
 418  *
 419  * NOTE:  rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
 420  */
 421 struct iwl_rx_queue {
 422         __le32 *bd;
 423         dma_addr_t dma_addr;
 424         struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
 425         struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
 426         u32 read;
 427         u32 write;
 428         u32 free_count;
 429         u32 write_actual;
 430         struct list_head rx_free;
 431         struct list_head rx_used;
 432         int need_update;
 433         struct iwl_rb_status *rb_stts;
 434         dma_addr_t rb_stts_dma;
 435         spinlock_t lock;
 436 };
 437
 438 #define IWL_SUPPORTED_RATES_IE_LEN         8
 439
 440 #define MAX_TID_COUNT        9
 441
 442 #define IWL_INVALID_RATE     0xFF
 443 #define IWL_INVALID_VALUE    -1
 444
 445 /**
 446  * struct iwl_ht_agg -- aggregation status while waiting for block-ack
 447  * @txq_id: Tx queue used for Tx attempt
 448  * @frame_count: # frames attempted by Tx command
 449  * @wait_for_ba: Expect block-ack before next Tx reply
 450  * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
 451  * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
 452  * @bitmap1: High order, one bit for each frame pending ACK in Tx window
 453  * @rate_n_flags: Rate at which Tx was attempted
 454  *
 455  * If REPLY_TX indicates that aggregation was attempted, driver must wait
 456  * for block ack (REPLY_COMPRESSED_BA).  This struct stores tx reply info
 457  * until block ack arrives.
 458  */
 459 struct iwl_ht_agg {
 460         u16 txq_id;
 461         u16 frame_count;
 462         u16 wait_for_ba;
 463         u16 start_idx;
 464         u64 bitmap;
 465         u32 rate_n_flags;
 466 #define IWL_AGG_OFF 0
 467 #define IWL_AGG_ON 1
 468 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
 469 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
 470         u8 state;
 471 };
 472
 473
 474 struct iwl_tid_data {
 475         u16 seq_number;
 476         u16 tfds_in_queue;
 477         struct iwl_ht_agg agg;
 478 };
 479
 480 struct iwl_hw_key {
 481         enum ieee80211_key_alg alg;
 482         int keylen;
 483         u8 keyidx;
 484         u8 key[32];
 485 };
 486
 487 union iwl_ht_rate_supp {
 488         u16 rates;
 489         struct {
 490                 u8 siso_rate;
 491                 u8 mimo_rate;
 492         };
 493 };
 494
 495 #define CFG_HT_RX_AMPDU_FACTOR_DEF  (0x3)
 496
 497 /*
 498  * Maximal MPDU density for TX aggregation
 499  * 4 - 2us density
 500  * 5 - 4us density
 501  * 6 - 8us density
 502  * 7 - 16us density
 503  */
 504 #define CFG_HT_MPDU_DENSITY_4USEC   (0x5)
 505 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
 506
 507 struct iwl_ht_config {
 508         /* self configuration data */
 509         bool is_ht;
 510         bool is_40mhz;
 511         bool single_chain_sufficient;
 512         /* BSS related data */
 513         u8 extension_chan_offset;
 514         u8 ht_protection;
 515         u8 non_GF_STA_present;
 516 };
 517
 518 union iwl_qos_capabity {
 519         struct {
 520                 u8 edca_count:4;        /* bit 0-3 */
 521                 u8 q_ack:1;             /* bit 4 */
 522                 u8 queue_request:1;     /* bit 5 */
 523                 u8 txop_request:1;      /* bit 6 */
 524                 u8 reserved:1;          /* bit 7 */
 525         } q_AP;
 526         struct {
 527                 u8 acvo_APSD:1;         /* bit 0 */
 528                 u8 acvi_APSD:1;         /* bit 1 */
 529                 u8 ac_bk_APSD:1;        /* bit 2 */
 530                 u8 ac_be_APSD:1;        /* bit 3 */
 531                 u8 q_ack:1;             /* bit 4 */
 532                 u8 max_len:2;           /* bit 5-6 */
 533                 u8 more_data_ack:1;     /* bit 7 */
 534         } q_STA;
 535         u8 val;
 536 };
 537
 538 /* QoS structures */
 539 struct iwl_qos_info {
 540         int qos_active;
 541         union iwl_qos_capabity qos_cap;
 542         struct iwl_qosparam_cmd def_qos_parm;
 543 };
 544
 545 #define STA_PS_STATUS_WAKE             0
 546 #define STA_PS_STATUS_SLEEP            1
 547
 548
 549 struct iwl3945_station_entry {
 550         struct iwl3945_addsta_cmd sta;
 551         struct iwl_tid_data tid[MAX_TID_COUNT];
 552         u8 used;
 553         u8 ps_status;
 554         struct iwl_hw_key keyinfo;
 555 };
 556
 557 struct iwl_station_entry {
 558         struct iwl_addsta_cmd sta;
 559         struct iwl_tid_data tid[MAX_TID_COUNT];
 560         u8 used;
 561         u8 ps_status;
 562         struct iwl_hw_key keyinfo;
 563 };
 564
 565 /* one for each uCode image (inst/data, boot/init/runtime) */
 566 struct fw_desc {
 567         void *v_addr;           /* access by driver */
 568         dma_addr_t p_addr;      /* access by card's busmaster DMA */
 569         u32 len;                /* bytes */
 570 };
 571
 572 /* uCode file layout */
 573 struct iwl_ucode_header {
 574         __le32 ver;     /* major/minor/API/serial */
 575         union {
 576                 struct {
 577                         __le32 inst_size;       /* bytes of runtime code */
 578                         __le32 data_size;       /* bytes of runtime data */
 579                         __le32 init_size;       /* bytes of init code */
 580                         __le32 init_data_size;  /* bytes of init data */
 581                         __le32 boot_size;       /* bytes of bootstrap code */
 582                         u8 data[0];             /* in same order as sizes */
 583                 } v1;
 584                 struct {
 585                         __le32 build;           /* build number */
 586                         __le32 inst_size;       /* bytes of runtime code */
 587                         __le32 data_size;       /* bytes of runtime data */
 588                         __le32 init_size;       /* bytes of init code */
 589                         __le32 init_data_size;  /* bytes of init data */
 590                         __le32 boot_size;       /* bytes of bootstrap code */
 591                         u8 data[0];             /* in same order as sizes */
 592                 } v2;
 593         } u;
 594 };
 595 #define UCODE_HEADER_SIZE(ver) ((ver) == 1 ? 24 : 28)
 596
 597 struct iwl4965_ibss_seq {
 598         u8 mac[ETH_ALEN];
 599         u16 seq_num;
 600         u16 frag_num;
 601         unsigned long packet_time;
 602         struct list_head list;
 603 };
 604
 605 struct iwl_sensitivity_ranges {
 606         u16 min_nrg_cck;
 607         u16 max_nrg_cck;
 608
 609         u16 nrg_th_cck;
 610         u16 nrg_th_ofdm;
 611
 612         u16 auto_corr_min_ofdm;
 613         u16 auto_corr_min_ofdm_mrc;
 614         u16 auto_corr_min_ofdm_x1;
 615         u16 auto_corr_min_ofdm_mrc_x1;
 616
 617         u16 auto_corr_max_ofdm;
 618         u16 auto_corr_max_ofdm_mrc;
 619         u16 auto_corr_max_ofdm_x1;
 620         u16 auto_corr_max_ofdm_mrc_x1;
 621
 622         u16 auto_corr_max_cck;
 623         u16 auto_corr_max_cck_mrc;
 624         u16 auto_corr_min_cck;
 625         u16 auto_corr_min_cck_mrc;
 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_buf_size: Rx buffer size
 644  * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
 645  * @max_stations:
 646  * @bcast_sta_id:
 647  * @ht40_channel: is 40MHz width possible in band 2.4
 648  * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
 649  * @sw_crypto: 0 for hw, 1 for sw
 650  * @max_xxx_size: for ucode uses
 651  * @ct_kill_threshold: temperature threshold
 652  * @calib_init_cfg: setup initial calibrations for the hw
 653  * @struct iwl_sensitivity_ranges: range of sensitivity values
 654  */
 655 struct iwl_hw_params {
 656         u8 max_txq_num;
 657         u8 dma_chnl_num;
 658         u16 scd_bc_tbls_size;
 659         u32 tfd_size;
 660         u8  tx_chains_num;
 661         u8  rx_chains_num;
 662         u8  valid_tx_ant;
 663         u8  valid_rx_ant;
 664         u16 max_rxq_size;
 665         u16 max_rxq_log;
 666         u32 rx_buf_size;
 667         u32 rx_wrt_ptr_reg;
 668         u32 max_pkt_size;
 669         u8  max_stations;
 670         u8  bcast_sta_id;
 671         u8  ht40_channel;
 672         u8  max_beacon_itrvl;   /* in 1024 ms */
 673         u32 max_inst_size;
 674         u32 max_data_size;
 675         u32 max_bsm_size;
 676         u32 ct_kill_threshold; /* value in hw-dependent units */
 677         u32 ct_kill_exit_threshold; /* value in hw-dependent units */
 678                                     /* for 1000, 6000 series and up */
 679         u32 calib_init_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  * iwl4965_bg_      <-- Called from work queue context
 696  * iwl4965_mac_     <-- mac80211 callback
 697  *
 698  ****************************************************************************/
 699 extern void iwl_update_chain_flags(struct iwl_priv *priv);
 700 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
 701 extern const u8 iwl_bcast_addr[ETH_ALEN];
 702 extern int iwl_rxq_stop(struct iwl_priv *priv);
 703 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
 704 extern int iwl_queue_space(const struct iwl_queue *q);
 705 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
 706 {
 707         return q->write_ptr > q->read_ptr ?
 708                 (i >= q->read_ptr && i < q->write_ptr) :
 709                 !(i < q->read_ptr && i >= q->write_ptr);
 710 }
 711
 712
 713 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
 714 {
 715         /* This is for scan command, the big buffer at end of command array */
 716         if (is_huge)
 717                 return q->n_window;     /* must be power of 2 */
 718
 719         /* Otherwise, use normal size buffers */
 720         return index & (q->n_window - 1);
 721 }
 722
 723
 724 struct iwl_dma_ptr {
 725         dma_addr_t dma;
 726         void *addr;
 727         size_t size;
 728 };
 729
 730 #define IWL_OPERATION_MODE_AUTO     0
 731 #define IWL_OPERATION_MODE_HT_ONLY  1
 732 #define IWL_OPERATION_MODE_MIXED    2
 733 #define IWL_OPERATION_MODE_20MHZ    3
 734
 735 #define IWL_TX_CRC_SIZE 4
 736 #define IWL_TX_DELIMITER_SIZE 4
 737
 738 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
 739
 740 /* Sensitivity and chain noise calibration */
 741 #define INITIALIZATION_VALUE            0xFFFF
 742 #define IWL4965_CAL_NUM_BEACONS         20
 743 #define IWL_CAL_NUM_BEACONS             16
 744 #define MAXIMUM_ALLOWED_PATHLOSS        15
 745
 746 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
 747
 748 #define MAX_FA_OFDM  50
 749 #define MIN_FA_OFDM  5
 750 #define MAX_FA_CCK   50
 751 #define MIN_FA_CCK   5
 752
 753 #define AUTO_CORR_STEP_OFDM       1
 754
 755 #define AUTO_CORR_STEP_CCK     3
 756 #define AUTO_CORR_MAX_TH_CCK   160
 757
 758 #define NRG_DIFF               2
 759 #define NRG_STEP_CCK           2
 760 #define NRG_MARGIN             8
 761 #define MAX_NUMBER_CCK_NO_FA 100
 762
 763 #define AUTO_CORR_CCK_MIN_VAL_DEF    (125)
 764
 765 #define CHAIN_A             0
 766 #define CHAIN_B             1
 767 #define CHAIN_C             2
 768 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
 769 #define ALL_BAND_FILTER                 0xFF00
 770 #define IN_BAND_FILTER                  0xFF
 771 #define MIN_AVERAGE_NOISE_MAX_VALUE     0xFFFFFFFF
 772
 773 #define NRG_NUM_PREV_STAT_L     20
 774 #define NUM_RX_CHAINS           3
 775
 776 enum iwl4965_false_alarm_state {
 777         IWL_FA_TOO_MANY = 0,
 778         IWL_FA_TOO_FEW = 1,
 779         IWL_FA_GOOD_RANGE = 2,
 780 };
 781
 782 enum iwl4965_chain_noise_state {
 783         IWL_CHAIN_NOISE_ALIVE = 0,  /* must be 0 */
 784         IWL_CHAIN_NOISE_ACCUMULATE,
 785         IWL_CHAIN_NOISE_CALIBRATED,
 786         IWL_CHAIN_NOISE_DONE,
 787 };
 788
 789 enum iwl4965_calib_enabled_state {
 790         IWL_CALIB_DISABLED = 0,  /* must be 0 */
 791         IWL_CALIB_ENABLED = 1,
 792 };
 793
 794
 795 /*
 796  * enum iwl_calib
 797  * defines the order in which results of initial calibrations
 798  * should be sent to the runtime uCode
 799  */
 800 enum iwl_calib {
 801         IWL_CALIB_XTAL,
 802         IWL_CALIB_DC,
 803         IWL_CALIB_LO,
 804         IWL_CALIB_TX_IQ,
 805         IWL_CALIB_TX_IQ_PERD,
 806         IWL_CALIB_BASE_BAND,
 807         IWL_CALIB_MAX
 808 };
 809
 810 /* Opaque calibration results */
 811 struct iwl_calib_result {
 812         void *buf;
 813         size_t buf_len;
 814 };
 815
 816 enum ucode_type {
 817         UCODE_NONE = 0,
 818         UCODE_INIT,
 819         UCODE_RT
 820 };
 821
 822 /* Sensitivity calib data */
 823 struct iwl_sensitivity_data {
 824         u32 auto_corr_ofdm;
 825         u32 auto_corr_ofdm_mrc;
 826         u32 auto_corr_ofdm_x1;
 827         u32 auto_corr_ofdm_mrc_x1;
 828         u32 auto_corr_cck;
 829         u32 auto_corr_cck_mrc;
 830
 831         u32 last_bad_plcp_cnt_ofdm;
 832         u32 last_fa_cnt_ofdm;
 833         u32 last_bad_plcp_cnt_cck;
 834         u32 last_fa_cnt_cck;
 835
 836         u32 nrg_curr_state;
 837         u32 nrg_prev_state;
 838         u32 nrg_value[10];
 839         u8  nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
 840         u32 nrg_silence_ref;
 841         u32 nrg_energy_idx;
 842         u32 nrg_silence_idx;
 843         u32 nrg_th_cck;
 844         s32 nrg_auto_corr_silence_diff;
 845         u32 num_in_cck_no_fa;
 846         u32 nrg_th_ofdm;
 847 };
 848
 849 /* Chain noise (differential Rx gain) calib data */
 850 struct iwl_chain_noise_data {
 851         u32 active_chains;
 852         u32 chain_noise_a;
 853         u32 chain_noise_b;
 854         u32 chain_noise_c;
 855         u32 chain_signal_a;
 856         u32 chain_signal_b;
 857         u32 chain_signal_c;
 858         u16 beacon_count;
 859         u8 disconn_array[NUM_RX_CHAINS];
 860         u8 delta_gain_code[NUM_RX_CHAINS];
 861         u8 radio_write;
 862         u8 state;
 863 };
 864
 865 #define EEPROM_SEM_TIMEOUT 10           /* milliseconds */
 866 #define EEPROM_SEM_RETRY_LIMIT 1000     /* number of attempts (not time) */
 867
 868 #define IWL_TRAFFIC_ENTRIES     (256)
 869 #define IWL_TRAFFIC_ENTRY_SIZE  (64)
 870
 871 enum {
 872         MEASUREMENT_READY = (1 << 0),
 873         MEASUREMENT_ACTIVE = (1 << 1),
 874 };
 875
 876 enum iwl_nvm_type {
 877         NVM_DEVICE_TYPE_EEPROM = 0,
 878         NVM_DEVICE_TYPE_OTP,
 879 };
 880
 881 /*
 882  * Two types of OTP memory access modes
 883  *   IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
 884  *                              based on physical memory addressing
 885  *   IWL_OTP_ACCESS_RELATIVE - relative address mode,
 886  *                             based on logical memory addressing
 887  */
 888 enum iwl_access_mode {
 889         IWL_OTP_ACCESS_ABSOLUTE,
 890         IWL_OTP_ACCESS_RELATIVE,
 891 };
 892
 893 /**
 894  * enum iwl_pa_type - Power Amplifier type
 895  * @IWL_PA_SYSTEM:  based on uCode configuration
 896  * @IWL_PA_HYBRID: use both Internal and external PA
 897  * @IWL_PA_INTERNAL: use Internal only
 898  */
 899 enum iwl_pa_type {
 900         IWL_PA_SYSTEM = 0,
 901         IWL_PA_HYBRID = 1,
 902         IWL_PA_INTERNAL = 2,
 903 };
 904
 905 /* interrupt statistics */
 906 struct isr_statistics {
 907         u32 hw;
 908         u32 sw;
 909         u32 sw_err;
 910         u32 sch;
 911         u32 alive;
 912         u32 rfkill;
 913         u32 ctkill;
 914         u32 wakeup;
 915         u32 rx;
 916         u32 rx_handlers[REPLY_MAX];
 917         u32 tx;
 918         u32 unhandled;
 919 };
 920
 921 #ifdef CONFIG_IWLWIFI_DEBUGFS
 922 /* management statistics */
 923 enum iwl_mgmt_stats {
 924         MANAGEMENT_ASSOC_REQ = 0,
 925         MANAGEMENT_ASSOC_RESP,
 926         MANAGEMENT_REASSOC_REQ,
 927         MANAGEMENT_REASSOC_RESP,
 928         MANAGEMENT_PROBE_REQ,
 929         MANAGEMENT_PROBE_RESP,
 930         MANAGEMENT_BEACON,
 931         MANAGEMENT_ATIM,
 932         MANAGEMENT_DISASSOC,
 933         MANAGEMENT_AUTH,
 934         MANAGEMENT_DEAUTH,
 935         MANAGEMENT_ACTION,
 936         MANAGEMENT_MAX,
 937 };
 938 /* control statistics */
 939 enum iwl_ctrl_stats {
 940         CONTROL_BACK_REQ =  0,
 941         CONTROL_BACK,
 942         CONTROL_PSPOLL,
 943         CONTROL_RTS,
 944         CONTROL_CTS,
 945         CONTROL_ACK,
 946         CONTROL_CFEND,
 947         CONTROL_CFENDACK,
 948         CONTROL_MAX,
 949 };
 950
 951 struct traffic_stats {
 952         u32 mgmt[MANAGEMENT_MAX];
 953         u32 ctrl[CONTROL_MAX];
 954         u32 data_cnt;
 955         u64 data_bytes;
 956 };
 957 #else
 958 struct traffic_stats {
 959         u64 data_bytes;
 960 };
 961 #endif
 962
 963 #define IWL_MAX_NUM_QUEUES      20 /* FIXME: do dynamic allocation */
 964
 965 struct iwl_priv {
 966
 967         /* ieee device used by generic ieee processing code */
 968         struct ieee80211_hw *hw;
 969         struct ieee80211_channel *ieee_channels;
 970         struct ieee80211_rate *ieee_rates;
 971         struct iwl_cfg *cfg;
 972
 973         /* temporary frame storage list */
 974         struct list_head free_frames;
 975         int frames_count;
 976
 977         enum ieee80211_band band;
 978         int alloc_rxb_skb;
 979
 980         void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
 981                                        struct iwl_rx_mem_buffer *rxb);
 982
 983         struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
 984
 985 #if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
 986         /* spectrum measurement report caching */
 987         struct iwl_spectrum_notification measure_report;
 988         u8 measurement_status;
 989 #endif
 990         /* ucode beacon time */
 991         u32 ucode_beacon_time;
 992
 993         /* we allocate array of iwl4965_channel_info for NIC's valid channels.
 994          *    Access via channel # using indirect index array */
 995         struct iwl_channel_info *channel_info;  /* channel info array */
 996         u8 channel_count;       /* # of channels */
 997
 998         /* each calibration channel group in the EEPROM has a derived
 999          * clip setting for each rate. 3945 only.*/
1000         const struct iwl3945_clip_group clip39_groups[5];
1001
1002         /* thermal calibration */
1003         s32 temperature;        /* degrees Kelvin */
1004         s32 last_temperature;
1005
1006         /* init calibration results */
1007         struct iwl_calib_result calib_results[IWL_CALIB_MAX];
1008
1009         /* Scan related variables */
1010         unsigned long last_scan_jiffies;
1011         unsigned long next_scan_jiffies;
1012         unsigned long scan_start;
1013         unsigned long scan_pass_start;
1014         unsigned long scan_start_tsf;
1015         void *scan;
1016         int scan_bands;
1017         struct cfg80211_scan_request *scan_request;
1018         u8 scan_tx_ant[IEEE80211_NUM_BANDS];
1019         u8 mgmt_tx_ant;
1020
1021         /* spinlock */
1022         spinlock_t lock;        /* protect general shared data */
1023         spinlock_t hcmd_lock;   /* protect hcmd */
1024         spinlock_t reg_lock;    /* protect hw register access */
1025         struct mutex mutex;
1026
1027         /* basic pci-network driver stuff */
1028         struct pci_dev *pci_dev;
1029
1030         /* pci hardware address support */
1031         void __iomem *hw_base;
1032         u32  hw_rev;
1033         u32  hw_wa_rev;
1034         u8   rev_id;
1035
1036         /* uCode images, save to reload in case of failure */
1037         u32 ucode_ver;                  /* version of ucode, copy of
1038                                            iwl_ucode.ver */
1039         struct fw_desc ucode_code;      /* runtime inst */
1040         struct fw_desc ucode_data;      /* runtime data original */
1041         struct fw_desc ucode_data_backup;       /* runtime data save/restore */
1042         struct fw_desc ucode_init;      /* initialization inst */
1043         struct fw_desc ucode_init_data; /* initialization data */
1044         struct fw_desc ucode_boot;      /* bootstrap inst */
1045         enum ucode_type ucode_type;
1046         u8 ucode_write_complete;        /* the image write is complete */
1047
1048
1049         struct iwl_rxon_time_cmd rxon_timing;
1050
1051         /* We declare this const so it can only be
1052          * changed via explicit cast within the
1053          * routines that actually update the physical
1054          * hardware */
1055         const struct iwl_rxon_cmd active_rxon;
1056         struct iwl_rxon_cmd staging_rxon;
1057
1058         struct iwl_rxon_cmd recovery_rxon;
1059
1060         /* 1st responses from initialize and runtime uCode images.
1061          * 4965's initialize alive response contains some calibration data. */
1062         struct iwl_init_alive_resp card_alive_init;
1063         struct iwl_alive_resp card_alive;
1064
1065         unsigned long last_blink_time;
1066         u8 last_blink_rate;
1067         u8 allow_blinking;
1068         u64 led_tpt;
1069
1070         u16 active_rate;
1071         u16 active_rate_basic;
1072
1073         u8 assoc_station_added;
1074         u8 start_calib;
1075         struct iwl_sensitivity_data sensitivity_data;
1076         struct iwl_chain_noise_data chain_noise_data;
1077         __le16 sensitivity_tbl[HD_TABLE_SIZE];
1078
1079         struct iwl_ht_config current_ht_config;
1080         u8 last_phy_res[100];
1081
1082         /* Rate scaling data */
1083         s8 data_retry_limit;
1084         u8 retry_rate;
1085
1086         wait_queue_head_t wait_command_queue;
1087
1088         int activity_timer_active;
1089
1090         /* Rx and Tx DMA processing queues */
1091         struct iwl_rx_queue rxq;
1092         struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
1093         unsigned long txq_ctx_active_msk;
1094         struct iwl_dma_ptr  kw; /* keep warm address */
1095         struct iwl_dma_ptr  scd_bc_tbls;
1096
1097         u32 scd_base_addr;      /* scheduler sram base address */
1098
1099         unsigned long status;
1100
1101         int last_rx_rssi;       /* From Rx packet statistics */
1102         int last_rx_noise;      /* From beacon statistics */
1103
1104         /* counts mgmt, ctl, and data packets */
1105         struct traffic_stats tx_stats;
1106         struct traffic_stats rx_stats;
1107
1108         /* counts interrupts */
1109         struct isr_statistics isr_stats;
1110
1111         struct iwl_power_mgr power_data;
1112         struct iwl_tt_mgmt thermal_throttle;
1113
1114         struct iwl_notif_statistics statistics;
1115         unsigned long last_statistics_time;
1116
1117         /* context information */
1118         u16 rates_mask;
1119
1120         u8 bssid[ETH_ALEN];
1121         u16 rts_threshold;
1122         u8 mac_addr[ETH_ALEN];
1123
1124         /*station table variables */
1125         spinlock_t sta_lock;
1126         int num_stations;
1127         struct iwl_station_entry stations[IWL_STATION_COUNT];
1128         struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1129         u8 default_wep_key;
1130         u8 key_mapping_key;
1131         unsigned long ucode_key_table;
1132
1133         /* queue refcounts */
1134 #define IWL_MAX_HW_QUEUES       32
1135         unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
1136         /* for each AC */
1137         atomic_t queue_stop_count[4];
1138
1139         /* Indication if ieee80211_ops->open has been called */
1140         u8 is_open;
1141
1142         u8 mac80211_registered;
1143
1144         /* Rx'd packet timing information */
1145         u32 last_beacon_time;
1146         u64 last_tsf;
1147
1148         /* eeprom */
1149         u8 *eeprom;
1150         int    nvm_device_type;
1151         struct iwl_eeprom_calib_info *calib_info;
1152
1153         enum nl80211_iftype iw_mode;
1154
1155         struct sk_buff *ibss_beacon;
1156
1157         /* Last Rx'd beacon timestamp */
1158         u64 timestamp;
1159         u16 beacon_int;
1160         struct ieee80211_vif *vif;
1161
1162         /*Added for 3945 */
1163         void *shared_virt;
1164         dma_addr_t shared_phys;
1165         /*End*/
1166         struct iwl_hw_params hw_params;
1167
1168         /* INT ICT Table */
1169         __le32 *ict_tbl;
1170         dma_addr_t ict_tbl_dma;
1171         dma_addr_t aligned_ict_tbl_dma;
1172         int ict_index;
1173         void *ict_tbl_vir;
1174         u32 inta;
1175         bool use_ict;
1176
1177         u32 inta_mask;
1178         /* Current association information needed to configure the
1179          * hardware */
1180         u16 assoc_id;
1181         u16 assoc_capability;
1182
1183         struct iwl_qos_info qos_data;
1184
1185         struct workqueue_struct *workqueue;
1186
1187         struct work_struct up;
1188         struct work_struct restart;
1189         struct work_struct calibrated_work;
1190         struct work_struct scan_completed;
1191         struct work_struct rx_replenish;
1192         struct work_struct abort_scan;
1193         struct work_struct update_link_led;
1194         struct work_struct auth_work;
1195         struct work_struct report_work;
1196         struct work_struct request_scan;
1197         struct work_struct beacon_update;
1198         struct work_struct tt_work;
1199         struct work_struct ct_enter;
1200         struct work_struct ct_exit;
1201
1202         struct tasklet_struct irq_tasklet;
1203
1204         struct delayed_work init_alive_start;
1205         struct delayed_work alive_start;
1206         struct delayed_work scan_check;
1207
1208         /*For 3945 only*/
1209         struct delayed_work thermal_periodic;
1210         struct delayed_work rfkill_poll;
1211
1212         /* TX Power */
1213         s8 tx_power_user_lmt;
1214         s8 tx_power_device_lmt;
1215
1216
1217 #ifdef CONFIG_IWLWIFI_DEBUG
1218         /* debugging info */
1219         u32 debug_level; /* per device debugging will override global
1220                             iwl_debug_level if set */
1221         u32 framecnt_to_us;
1222         atomic_t restrict_refcnt;
1223         bool disable_ht40;
1224 #ifdef CONFIG_IWLWIFI_DEBUGFS
1225         /* debugfs */
1226         u16 tx_traffic_idx;
1227         u16 rx_traffic_idx;
1228         u8 *tx_traffic;
1229         u8 *rx_traffic;
1230         struct iwl_debugfs *dbgfs;
1231 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1232 #endif /* CONFIG_IWLWIFI_DEBUG */
1233
1234         struct work_struct txpower_work;
1235         u32 disable_sens_cal;
1236         u32 disable_chain_noise_cal;
1237         u32 disable_tx_power_cal;
1238         struct work_struct run_time_calib_work;
1239         struct timer_list statistics_periodic;
1240         bool hw_ready;
1241         /*For 3945*/
1242 #define IWL_DEFAULT_TX_POWER 0x0F
1243
1244         struct iwl3945_notif_statistics statistics_39;
1245
1246         u32 sta_supp_rates;
1247 }; /*iwl_priv */
1248
1249 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1250 {
1251         set_bit(txq_id, &priv->txq_ctx_active_msk);
1252 }
1253
1254 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1255 {
1256         clear_bit(txq_id, &priv->txq_ctx_active_msk);
1257 }
1258
1259 #ifdef CONFIG_IWLWIFI_DEBUG
1260 const char *iwl_get_tx_fail_reason(u32 status);
1261 /*
1262  * iwl_get_debug_level: Return active debug level for device
1263  *
1264  * Using sysfs it is possible to set per device debug level. This debug
1265  * level will be used if set, otherwise the global debug level which can be
1266  * set via module parameter is used.
1267  */
1268 static inline u32 iwl_get_debug_level(struct iwl_priv *priv)
1269 {
1270         if (priv->debug_level)
1271                 return priv->debug_level;
1272         else
1273                 return iwl_debug_level;
1274 }
1275 #else
1276 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1277
1278 static inline u32 iwl_get_debug_level(struct iwl_priv *priv)
1279 {
1280         return iwl_debug_level;
1281 }
1282 #endif
1283
1284
1285 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1286                                                          int txq_id, int idx)
1287 {
1288         if (priv->txq[txq_id].txb[idx].skb[0])
1289                 return (struct ieee80211_hdr *)priv->txq[txq_id].
1290                                 txb[idx].skb[0]->data;
1291         return NULL;
1292 }
1293
1294
1295 static inline int iwl_is_associated(struct iwl_priv *priv)
1296 {
1297         return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1298 }
1299
1300 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1301 {
1302         if (ch_info == NULL)
1303                 return 0;
1304         return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1305 }
1306
1307 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1308 {
1309         return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1310 }
1311
1312 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1313 {
1314         return ch_info->band == IEEE80211_BAND_5GHZ;
1315 }
1316
1317 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1318 {
1319         return ch_info->band == IEEE80211_BAND_2GHZ;
1320 }
1321
1322 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1323 {
1324         return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1325 }
1326
1327 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1328 {
1329         return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1330 }
1331
1332 #endif                          /* __iwl_dev_h__ */