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