drivers/net/wireless/iwlwifi/iwlwifi.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2007 Intel Corporation. All rights reserved.
   4  *
   5  * Portions of this file are derived from the ipw3945 project, as well
   6  * as portions of the ieee80211 subsystem header files.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of version 2 of the GNU General Public License as
  10  * published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  * more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along with
  18  * this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  20  *
  21  * The full GNU General Public License is included in this distribution in the
  22  * file called LICENSE.
  23  *
  24  * Contact Information:
  25  * James P. Ketrenos <ipw2100-admin@linux.intel.com>
  26  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27  *
  28  *****************************************************************************/
  29
  30 #ifndef __iwlwifi_h__
  31 #define __iwlwifi_h__
  32
  33 #include <linux/pci.h> /* for struct pci_device_id */
  34 #include <linux/kernel.h>
  35 #include <net/ieee80211_radiotap.h>
  36
  37 struct iwl_priv;
  38
  39 /* Hardware specific file defines the PCI IDs table for that hardware module */
  40 extern struct pci_device_id iwl_hw_card_ids[];
  41
  42 #if IWL == 3945
  43
  44 #define DRV_NAME        "iwl3945"
  45 #include "iwl-hw.h"
  46 #include "iwl-3945-hw.h"
  47
  48 #elif IWL == 4965
  49
  50 #define DRV_NAME        "iwl4965"
  51 #include "iwl-hw.h"
  52 #include "iwl-4965-hw.h"
  53
  54 #endif
  55
  56 #include "iwl-prph.h"
  57
  58 /*
  59  * Driver implementation data structures, constants, inline
  60  * functions
  61  *
  62  * NOTE:  DO NOT PUT HARDWARE/UCODE SPECIFIC DECLRATIONS HERE
  63  *
  64  * Hardware specific declrations go into iwl-*hw.h
  65  *
  66  */
  67
  68 #include "iwl-debug.h"
  69
  70 /* Default noise level to report when noise measurement is not available.
  71  *   This may be because we're:
  72  *   1)  Not associated (4965, no beacon statistics being sent to driver)
  73  *   2)  Scanning (noise measurement does not apply to associated channel)
  74  *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
  75  * Use default noise value of -127 ... this is below the range of measurable
  76  *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
  77  *   Also, -127 works better than 0 when averaging frames with/without
  78  *   noise info (e.g. averaging might be done in app); measured dBm values are
  79  *   always negative ... using a negative value as the default keeps all
  80  *   averages within an s8's (used in some apps) range of negative values. */
  81 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
  82
  83 /* Module parameters accessible from iwl-*.c */
  84 extern int iwl_param_disable_hw_scan;
  85 extern int iwl_param_debug;
  86 extern int iwl_param_mode;
  87 extern int iwl_param_disable;
  88 extern int iwl_param_antenna;
  89 extern int iwl_param_hwcrypto;
  90 extern int iwl_param_qos_enable;
  91 extern int iwl_param_queues_num;
  92
  93 enum iwl_antenna {
  94         IWL_ANTENNA_DIVERSITY,
  95         IWL_ANTENNA_MAIN,
  96         IWL_ANTENNA_AUX
  97 };
  98
  99 /*
 100  * RTS threshold here is total size [2347] minus 4 FCS bytes
 101  * Per spec:
 102  *   a value of 0 means RTS on all data/management packets
 103  *   a value > max MSDU size means no RTS
 104  * else RTS for data/management frames where MPDU is larger
 105  *   than RTS value.
 106  */
 107 #define DEFAULT_RTS_THRESHOLD     2347U
 108 #define MIN_RTS_THRESHOLD         0U
 109 #define MAX_RTS_THRESHOLD         2347U
 110 #define MAX_MSDU_SIZE             2304U
 111 #define MAX_MPDU_SIZE             2346U
 112 #define DEFAULT_BEACON_INTERVAL   100U
 113 #define DEFAULT_SHORT_RETRY_LIMIT 7U
 114 #define DEFAULT_LONG_RETRY_LIMIT  4U
 115
 116 struct iwl_rx_mem_buffer {
 117         dma_addr_t dma_addr;
 118         struct sk_buff *skb;
 119         struct list_head list;
 120 };
 121
 122 struct iwl_rt_rx_hdr {
 123         struct ieee80211_radiotap_header rt_hdr;
 124         __le64 rt_tsf;          /* TSF */
 125         u8 rt_flags;            /* radiotap packet flags */
 126         u8 rt_rate;             /* rate in 500kb/s */
 127         __le16 rt_channelMHz;   /* channel in MHz */
 128         __le16 rt_chbitmask;    /* channel bitfield */
 129         s8 rt_dbmsignal;        /* signal in dBm, kluged to signed */
 130         s8 rt_dbmnoise;
 131         u8 rt_antenna;          /* antenna number */
 132         u8 payload[0];          /* payload... */
 133 } __attribute__ ((packed));
 134
 135 struct iwl_rt_tx_hdr {
 136         struct ieee80211_radiotap_header rt_hdr;
 137         u8 rt_rate;             /* rate in 500kb/s */
 138         __le16 rt_channel;      /* channel in mHz */
 139         __le16 rt_chbitmask;    /* channel bitfield */
 140         s8 rt_dbmsignal;        /* signal in dBm, kluged to signed */
 141         u8 rt_antenna;          /* antenna number */
 142         u8 payload[0];          /* payload... */
 143 } __attribute__ ((packed));
 144
 145 /*
 146  * Generic queue structure
 147  *
 148  * Contains common data for Rx and Tx queues
 149  */
 150 struct iwl_queue {
 151         int n_bd;              /* number of BDs in this queue */
 152         int first_empty;       /* 1-st empty entry (index) host_w*/
 153         int last_used;         /* last used entry (index) host_r*/
 154         dma_addr_t dma_addr;   /* physical addr for BD's */
 155         int n_window;          /* safe queue window */
 156         u32 id;
 157         int low_mark;          /* low watermark, resume queue if free
 158                                 * space more than this */
 159         int high_mark;         /* high watermark, stop queue if free
 160                                 * space less than this */
 161 } __attribute__ ((packed));
 162
 163 #define MAX_NUM_OF_TBS          (20)
 164
 165 struct iwl_tx_info {
 166         struct ieee80211_tx_status status;
 167         struct sk_buff *skb[MAX_NUM_OF_TBS];
 168 };
 169
 170 /**
 171  * struct iwl_tx_queue - Tx Queue for DMA
 172  * @need_update: need to update read/write index
 173  * @shed_retry: queue is HT AGG enabled
 174  *
 175  * Queue consists of circular buffer of BD's and required locking structures.
 176  */
 177 struct iwl_tx_queue {
 178         struct iwl_queue q;
 179         struct iwl_tfd_frame *bd;
 180         struct iwl_cmd *cmd;
 181         dma_addr_t dma_addr_cmd;
 182         struct iwl_tx_info *txb;
 183         int need_update;
 184         int sched_retry;
 185         int active;
 186 };
 187
 188 #include "iwl-channel.h"
 189
 190 #if IWL == 3945
 191 #include "iwl-3945-rs.h"
 192 #else
 193 #include "iwl-4965-rs.h"
 194 #endif
 195
 196 #define IWL_TX_FIFO_AC0 0
 197 #define IWL_TX_FIFO_AC1 1
 198 #define IWL_TX_FIFO_AC2 2
 199 #define IWL_TX_FIFO_AC3 3
 200 #define IWL_TX_FIFO_HCCA_1      5
 201 #define IWL_TX_FIFO_HCCA_2      6
 202 #define IWL_TX_FIFO_NONE        7
 203
 204 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
 205 #define IWL_MIN_NUM_QUEUES      4
 206
 207 /* Power management (not Tx power) structures */
 208
 209 struct iwl_power_vec_entry {
 210         struct iwl_powertable_cmd cmd;
 211         u8 no_dtim;
 212 };
 213 #define IWL_POWER_RANGE_0  (0)
 214 #define IWL_POWER_RANGE_1  (1)
 215
 216 #define IWL_POWER_MODE_CAM      0x00    /* Continuously Aware Mode, always on */
 217 #define IWL_POWER_INDEX_3       0x03
 218 #define IWL_POWER_INDEX_5       0x05
 219 #define IWL_POWER_AC            0x06
 220 #define IWL_POWER_BATTERY       0x07
 221 #define IWL_POWER_LIMIT         0x07
 222 #define IWL_POWER_MASK          0x0F
 223 #define IWL_POWER_ENABLED       0x10
 224 #define IWL_POWER_LEVEL(x)      ((x) & IWL_POWER_MASK)
 225
 226 struct iwl_power_mgr {
 227         spinlock_t lock;
 228         struct iwl_power_vec_entry pwr_range_0[IWL_POWER_AC];
 229         struct iwl_power_vec_entry pwr_range_1[IWL_POWER_AC];
 230         u8 active_index;
 231         u32 dtim_val;
 232 };
 233
 234 #define IEEE80211_DATA_LEN              2304
 235 #define IEEE80211_4ADDR_LEN             30
 236 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
 237 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 238
 239 struct iwl_frame {
 240         union {
 241                 struct ieee80211_hdr frame;
 242                 struct iwl_tx_beacon_cmd beacon;
 243                 u8 raw[IEEE80211_FRAME_LEN];
 244                 u8 cmd[360];
 245         } u;
 246         struct list_head list;
 247 };
 248
 249 #define SEQ_TO_QUEUE(x)  ((x >> 8) & 0xbf)
 250 #define QUEUE_TO_SEQ(x)  ((x & 0xbf) << 8)
 251 #define SEQ_TO_INDEX(x) (x & 0xff)
 252 #define INDEX_TO_SEQ(x) (x & 0xff)
 253 #define SEQ_HUGE_FRAME  (0x4000)
 254 #define SEQ_RX_FRAME    __constant_cpu_to_le16(0x8000)
 255 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 256 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 257 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
 258
 259 enum {
 260         /* CMD_SIZE_NORMAL = 0, */
 261         CMD_SIZE_HUGE = (1 << 0),
 262         /* CMD_SYNC = 0, */
 263         CMD_ASYNC = (1 << 1),
 264         /* CMD_NO_SKB = 0, */
 265         CMD_WANT_SKB = (1 << 2),
 266 };
 267
 268 struct iwl_cmd;
 269 struct iwl_priv;
 270
 271 struct iwl_cmd_meta {
 272         struct iwl_cmd_meta *source;
 273         union {
 274                 struct sk_buff *skb;
 275                 int (*callback)(struct iwl_priv *priv,
 276                                 struct iwl_cmd *cmd, struct sk_buff *skb);
 277         } __attribute__ ((packed)) u;
 278
 279         /* The CMD_SIZE_HUGE flag bit indicates that the command
 280          * structure is stored at the end of the shared queue memory. */
 281         u32 flags;
 282
 283 } __attribute__ ((packed));
 284
 285 struct iwl_cmd {
 286         struct iwl_cmd_meta meta;
 287         struct iwl_cmd_header hdr;
 288         union {
 289                 struct iwl_addsta_cmd addsta;
 290                 struct iwl_led_cmd led;
 291                 u32 flags;
 292                 u8 val8;
 293                 u16 val16;
 294                 u32 val32;
 295                 struct iwl_bt_cmd bt;
 296                 struct iwl_rxon_time_cmd rxon_time;
 297                 struct iwl_powertable_cmd powertable;
 298                 struct iwl_qosparam_cmd qosparam;
 299                 struct iwl_tx_cmd tx;
 300                 struct iwl_tx_beacon_cmd tx_beacon;
 301                 struct iwl_rxon_assoc_cmd rxon_assoc;
 302                 u8 *indirect;
 303                 u8 payload[360];
 304         } __attribute__ ((packed)) cmd;
 305 } __attribute__ ((packed));
 306
 307 struct iwl_host_cmd {
 308         u8 id;
 309         u16 len;
 310         struct iwl_cmd_meta meta;
 311         const void *data;
 312 };
 313
 314 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
 315                               sizeof(struct iwl_cmd_meta))
 316
 317 /*
 318  * RX related structures and functions
 319  */
 320 #define RX_FREE_BUFFERS 64
 321 #define RX_LOW_WATERMARK 8
 322
 323 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
 324 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
 325 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
 326
 327 /**
 328  * struct iwl_rx_queue - Rx queue
 329  * @processed: Internal index to last handled Rx packet
 330  * @read: Shared index to newest available Rx buffer
 331  * @write: Shared index to oldest written Rx packet
 332  * @free_count: Number of pre-allocated buffers in rx_free
 333  * @rx_free: list of free SKBs for use
 334  * @rx_used: List of Rx buffers with no SKB
 335  * @need_update: flag to indicate we need to update read/write index
 336  *
 337  * NOTE:  rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
 338  */
 339 struct iwl_rx_queue {
 340         __le32 *bd;
 341         dma_addr_t dma_addr;
 342         struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
 343         struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
 344         u32 processed;
 345         u32 read;
 346         u32 write;
 347         u32 free_count;
 348         struct list_head rx_free;
 349         struct list_head rx_used;
 350         int need_update;
 351         spinlock_t lock;
 352 };
 353
 354 #define IWL_SUPPORTED_RATES_IE_LEN         8
 355
 356 #define SCAN_INTERVAL 100
 357
 358 #define MAX_A_CHANNELS  252
 359 #define MIN_A_CHANNELS  7
 360
 361 #define MAX_B_CHANNELS  14
 362 #define MIN_B_CHANNELS  1
 363
 364 #define STATUS_HCMD_ACTIVE      0       /* host command in progress */
 365 #define STATUS_INT_ENABLED      1
 366 #define STATUS_RF_KILL_HW       2
 367 #define STATUS_RF_KILL_SW       3
 368 #define STATUS_INIT             4
 369 #define STATUS_ALIVE            5
 370 #define STATUS_READY            6
 371 #define STATUS_TEMPERATURE      7
 372 #define STATUS_GEO_CONFIGURED   8
 373 #define STATUS_EXIT_PENDING     9
 374 #define STATUS_IN_SUSPEND       10
 375 #define STATUS_STATISTICS       11
 376 #define STATUS_SCANNING         12
 377 #define STATUS_SCAN_ABORTING    13
 378 #define STATUS_SCAN_HW          14
 379 #define STATUS_POWER_PMI        15
 380 #define STATUS_FW_ERROR         16
 381
 382 #define MAX_TID_COUNT        9
 383
 384 #define IWL_INVALID_RATE     0xFF
 385 #define IWL_INVALID_VALUE    -1
 386
 387 #if IWL == 4965
 388 #ifdef CONFIG_IWLWIFI_HT
 389 #ifdef CONFIG_IWLWIFI_HT_AGG
 390 struct iwl_ht_agg {
 391         u16 txq_id;
 392         u16 frame_count;
 393         u16 wait_for_ba;
 394         u16 start_idx;
 395         u32 bitmap0;
 396         u32 bitmap1;
 397         u32 rate_n_flags;
 398 };
 399 #endif /* CONFIG_IWLWIFI_HT_AGG */
 400 #endif /* CONFIG_IWLWIFI_HT */
 401 #endif
 402
 403 struct iwl_tid_data {
 404         u16 seq_number;
 405 #if IWL == 4965
 406 #ifdef CONFIG_IWLWIFI_HT
 407 #ifdef CONFIG_IWLWIFI_HT_AGG
 408         struct iwl_ht_agg agg;
 409 #endif  /* CONFIG_IWLWIFI_HT_AGG */
 410 #endif /* CONFIG_IWLWIFI_HT */
 411 #endif
 412 };
 413
 414 struct iwl_hw_key {
 415         enum ieee80211_key_alg alg;
 416         int keylen;
 417         u8 key[32];
 418 };
 419
 420 union iwl_ht_rate_supp {
 421         u16 rates;
 422         struct {
 423                 u8 siso_rate;
 424                 u8 mimo_rate;
 425         };
 426 };
 427
 428 #ifdef CONFIG_IWLWIFI_HT
 429 #define CFG_HT_RX_AMPDU_FACTOR_DEF  (0x3)
 430 #define HT_IE_MAX_AMSDU_SIZE_4K     (0)
 431 #define CFG_HT_MPDU_DENSITY_2USEC   (0x5)
 432 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
 433
 434 struct sta_ht_info {
 435         u8 is_ht;
 436         u16 rx_mimo_ps_mode;
 437         u16 tx_mimo_ps_mode;
 438         u16 control_channel;
 439         u8 max_amsdu_size;
 440         u8 ampdu_factor;
 441         u8 mpdu_density;
 442         u8 operating_mode;
 443         u8 supported_chan_width;
 444         u8 extension_chan_offset;
 445         u8 is_green_field;
 446         u8 sgf;
 447         u8 supp_rates[16];
 448         u8 tx_chan_width;
 449         u8 chan_width_cap;
 450 };
 451 #endif                          /*CONFIG_IWLWIFI_HT */
 452
 453 #ifdef CONFIG_IWLWIFI_QOS
 454
 455 union iwl_qos_capabity {
 456         struct {
 457                 u8 edca_count:4;        /* bit 0-3 */
 458                 u8 q_ack:1;             /* bit 4 */
 459                 u8 queue_request:1;     /* bit 5 */
 460                 u8 txop_request:1;      /* bit 6 */
 461                 u8 reserved:1;          /* bit 7 */
 462         } q_AP;
 463         struct {
 464                 u8 acvo_APSD:1;         /* bit 0 */
 465                 u8 acvi_APSD:1;         /* bit 1 */
 466                 u8 ac_bk_APSD:1;        /* bit 2 */
 467                 u8 ac_be_APSD:1;        /* bit 3 */
 468                 u8 q_ack:1;             /* bit 4 */
 469                 u8 max_len:2;           /* bit 5-6 */
 470                 u8 more_data_ack:1;     /* bit 7 */
 471         } q_STA;
 472         u8 val;
 473 };
 474
 475 /* QoS sturctures */
 476 struct iwl_qos_info {
 477         int qos_enable;
 478         int qos_active;
 479         union iwl_qos_capabity qos_cap;
 480         struct iwl_qosparam_cmd def_qos_parm;
 481 };
 482 #endif /*CONFIG_IWLWIFI_QOS */
 483
 484 #define STA_PS_STATUS_WAKE             0
 485 #define STA_PS_STATUS_SLEEP            1
 486
 487 struct iwl_station_entry {
 488         struct iwl_addsta_cmd sta;
 489         struct iwl_tid_data tid[MAX_TID_COUNT];
 490 #if IWL == 3945
 491         union {
 492                 struct {
 493                         u8 rate;
 494                         u8 flags;
 495                 } s;
 496                 u16 rate_n_flags;
 497         } current_rate;
 498 #endif
 499         u8 used;
 500         u8 ps_status;
 501         struct iwl_hw_key keyinfo;
 502 };
 503
 504 /* one for each uCode image (inst/data, boot/init/runtime) */
 505 struct fw_image_desc {
 506         void *v_addr;           /* access by driver */
 507         dma_addr_t p_addr;      /* access by card's busmaster DMA */
 508         u32 len;                /* bytes */
 509 };
 510
 511 /* uCode file layout */
 512 struct iwl_ucode {
 513         __le32 ver;             /* major/minor/subminor */
 514         __le32 inst_size;       /* bytes of runtime instructions */
 515         __le32 data_size;       /* bytes of runtime data */
 516         __le32 init_size;       /* bytes of initialization instructions */
 517         __le32 init_data_size;  /* bytes of initialization data */
 518         __le32 boot_size;       /* bytes of bootstrap instructions */
 519         u8 data[0];             /* data in same order as "size" elements */
 520 };
 521
 522 #define IWL_IBSS_MAC_HASH_SIZE 32
 523
 524 struct iwl_ibss_seq {
 525         u8 mac[ETH_ALEN];
 526         u16 seq_num;
 527         u16 frag_num;
 528         unsigned long packet_time;
 529         struct list_head list;
 530 };
 531
 532 struct iwl_driver_hw_info {
 533         u16 max_txq_num;
 534         u16 ac_queue_count;
 535         u32 rx_buffer_size;
 536         u16 tx_cmd_len;
 537         u16 max_rxq_size;
 538         u16 max_rxq_log;
 539         u32 cck_flag;
 540         u8  max_stations;
 541         u8  bcast_sta_id;
 542         void *shared_virt;
 543         dma_addr_t shared_phys;
 544 };
 545
 546
 547 #define STA_FLG_RTS_MIMO_PROT_MSK       __constant_cpu_to_le32(1 << 17)
 548 #define STA_FLG_AGG_MPDU_8US_MSK        __constant_cpu_to_le32(1 << 18)
 549 #define STA_FLG_MAX_AGG_SIZE_POS        (19)
 550 #define STA_FLG_MAX_AGG_SIZE_MSK        __constant_cpu_to_le32(3 << 19)
 551 #define STA_FLG_FAT_EN_MSK              __constant_cpu_to_le32(1 << 21)
 552 #define STA_FLG_MIMO_DIS_MSK            __constant_cpu_to_le32(1 << 22)
 553 #define STA_FLG_AGG_MPDU_DENSITY_POS    (23)
 554 #define STA_FLG_AGG_MPDU_DENSITY_MSK    __constant_cpu_to_le32(7 << 23)
 555 #define HT_SHORT_GI_20MHZ_ONLY          (1 << 0)
 556 #define HT_SHORT_GI_40MHZ_ONLY          (1 << 1)
 557
 558
 559 #include "iwl-priv.h"
 560
 561 /* Requires full declaration of iwl_priv before including */
 562 #include "iwl-io.h"
 563
 564 #define IWL_RX_HDR(x) ((struct iwl_rx_frame_hdr *)(\
 565                        x->u.rx_frame.stats.payload + \
 566                        x->u.rx_frame.stats.phy_count))
 567 #define IWL_RX_END(x) ((struct iwl_rx_frame_end *)(\
 568                        IWL_RX_HDR(x)->payload + \
 569                        le16_to_cpu(IWL_RX_HDR(x)->len)))
 570 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
 571 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
 572
 573
 574 /******************************************************************************
 575  *
 576  * Functions implemented in iwl-base.c which are forward declared here
 577  * for use by iwl-*.c
 578  *
 579  *****************************************************************************/
 580 struct iwl_addsta_cmd;
 581 extern int iwl_send_add_station(struct iwl_priv *priv,
 582                                 struct iwl_addsta_cmd *sta, u8 flags);
 583 extern const char *iwl_get_tx_fail_reason(u32 status);
 584 extern u8 iwl_add_station(struct iwl_priv *priv, const u8 *bssid,
 585                           int is_ap, u8 flags);
 586 extern int iwl_is_network_packet(struct iwl_priv *priv,
 587                                  struct ieee80211_hdr *header);
 588 extern int iwl_power_init_handle(struct iwl_priv *priv);
 589 extern int iwl_eeprom_init(struct iwl_priv *priv);
 590 #ifdef CONFIG_IWLWIFI_DEBUG
 591 extern void iwl_report_frame(struct iwl_priv *priv,
 592                              struct iwl_rx_packet *pkt,
 593                              struct ieee80211_hdr *header, int group100);
 594 #else
 595 static inline void iwl_report_frame(struct iwl_priv *priv,
 596                                     struct iwl_rx_packet *pkt,
 597                                     struct ieee80211_hdr *header,
 598                                     int group100) {}
 599 #endif
 600 extern int iwl_tx_queue_update_write_ptr(struct iwl_priv *priv,
 601                                          struct iwl_tx_queue *txq);
 602 extern void iwl_handle_data_packet_monitor(struct iwl_priv *priv,
 603                                            struct iwl_rx_mem_buffer *rxb,
 604                                            void *data, short len,
 605                                            struct ieee80211_rx_status *stats,
 606                                            u16 phy_flags);
 607 extern int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr
 608                                *header);
 609 extern void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
 610 extern int iwl_rx_queue_alloc(struct iwl_priv *priv);
 611 extern void iwl_rx_queue_reset(struct iwl_priv *priv,
 612                                struct iwl_rx_queue *rxq);
 613 extern int iwl_calc_db_from_ratio(int sig_ratio);
 614 extern int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm);
 615 extern int iwl_tx_queue_init(struct iwl_priv *priv,
 616                              struct iwl_tx_queue *txq, int count, u32 id);
 617 extern int iwl_rx_queue_restock(struct iwl_priv *priv);
 618 extern void iwl_rx_replenish(void *data);
 619 extern void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq);
 620 extern int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
 621                             const void *data);
 622 extern int __must_check iwl_send_cmd_async(struct iwl_priv *priv,
 623                 struct iwl_host_cmd *cmd);
 624 extern int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
 625                 struct iwl_host_cmd *cmd);
 626 extern int __must_check iwl_send_cmd(struct iwl_priv *priv,
 627                 struct iwl_host_cmd *cmd);
 628 extern unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
 629                                         struct ieee80211_hdr *hdr,
 630                                         const u8 *dest, int left);
 631 extern int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
 632                                          struct iwl_rx_queue *q);
 633 extern int iwl_send_statistics_request(struct iwl_priv *priv);
 634 extern void iwl_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
 635                                    u32 decrypt_res,
 636                                    struct ieee80211_rx_status *stats);
 637 extern __le16 *ieee80211_get_qos_ctrl(struct ieee80211_hdr *hdr);
 638
 639 extern const u8 BROADCAST_ADDR[ETH_ALEN];
 640
 641 /*
 642  * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
 643  * call this... todo... fix that.
 644 */
 645 extern u8 iwl_sync_station(struct iwl_priv *priv, int sta_id,
 646                            u16 tx_rate, u8 flags);
 647
 648 static inline int iwl_is_associated(struct iwl_priv *priv)
 649 {
 650         return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
 651 }
 652
 653 /******************************************************************************
 654  *
 655  * Functions implemented in iwl-[34]*.c which are forward declared here
 656  * for use by iwl-base.c
 657  *
 658  * NOTE:  The implementation of these functions are hardware specific
 659  * which is why they are in the hardware specific files (vs. iwl-base.c)
 660  *
 661  * Naming convention --
 662  * iwl_         <-- Its part of iwlwifi (should be changed to iwl_)
 663  * iwl_hw_      <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
 664  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 665  * iwl_bg_      <-- Called from work queue context
 666  * iwl_mac_     <-- mac80211 callback
 667  *
 668  ****************************************************************************/
 669 extern void iwl_hw_rx_handler_setup(struct iwl_priv *priv);
 670 extern void iwl_hw_setup_deferred_work(struct iwl_priv *priv);
 671 extern void iwl_hw_cancel_deferred_work(struct iwl_priv *priv);
 672 extern int iwl_hw_rxq_stop(struct iwl_priv *priv);
 673 extern int iwl_hw_set_hw_setting(struct iwl_priv *priv);
 674 extern int iwl_hw_nic_init(struct iwl_priv *priv);
 675 extern void iwl_hw_card_show_info(struct iwl_priv *priv);
 676 extern int iwl_hw_nic_stop_master(struct iwl_priv *priv);
 677 extern void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
 678 extern void iwl_hw_txq_ctx_stop(struct iwl_priv *priv);
 679 extern int iwl_hw_nic_reset(struct iwl_priv *priv);
 680 extern int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
 681                                         dma_addr_t addr, u16 len);
 682 extern int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
 683 extern int iwl_hw_get_temperature(struct iwl_priv *priv);
 684 extern int iwl_hw_tx_queue_init(struct iwl_priv *priv,
 685                                 struct iwl_tx_queue *txq);
 686 extern unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
 687                                  struct iwl_frame *frame, u8 rate);
 688 extern int iwl_hw_get_rx_read(struct iwl_priv *priv);
 689 extern void iwl_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 690                                      struct iwl_cmd *cmd,
 691                                      struct ieee80211_tx_control *ctrl,
 692                                      struct ieee80211_hdr *hdr,
 693                                      int sta_id, int tx_id);
 694 extern int iwl_hw_reg_send_txpower(struct iwl_priv *priv);
 695 extern int iwl_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
 696 extern void iwl_hw_rx_statistics(struct iwl_priv *priv,
 697                                  struct iwl_rx_mem_buffer *rxb);
 698 extern void iwl_disable_events(struct iwl_priv *priv);
 699 extern int iwl4965_get_temperature(const struct iwl_priv *priv);
 700
 701 /**
 702  * iwl_hw_find_station - Find station id for a given BSSID
 703  * @bssid: MAC address of station ID to find
 704  *
 705  * NOTE:  This should not be hardware specific but the code has
 706  * not yet been merged into a single common layer for managing the
 707  * station tables.
 708  */
 709 extern u8 iwl_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
 710
 711 extern int iwl_hw_channel_switch(struct iwl_priv *priv, u16 channel);
 712 extern int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
 713 #endif