iwl-dev.h revision 4e39317df0f9e48919130574238319f9a445e6e3
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2008 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 * James P. Ketrenos <ipw2100-admin@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_4965_h__ 33#define __iwl_4965_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#define DRV_NAME "iwl4965" 40#include "iwl-rfkill.h" 41#include "iwl-eeprom.h" 42#include "iwl-4965-hw.h" 43#include "iwl-csr.h" 44#include "iwl-prph.h" 45#include "iwl-debug.h" 46#include "iwl-led.h" 47#include "iwl-power.h" 48 49/* configuration for the iwl4965 */ 50extern struct iwl_cfg iwl4965_agn_cfg; 51extern struct iwl_cfg iwl5300_agn_cfg; 52extern struct iwl_cfg iwl5100_agn_cfg; 53extern struct iwl_cfg iwl5350_agn_cfg; 54 55/* Change firmware file name, using "-" and incrementing number, 56 * *only* when uCode interface or architecture changes so that it 57 * is not compatible with earlier drivers. 58 * This number will also appear in << 8 position of 1st dword of uCode file */ 59#define IWL4965_UCODE_API "-1" 60 61/* CT-KILL constants */ 62#define CT_KILL_THRESHOLD 110 /* in Celsius */ 63 64/* Default noise level to report when noise measurement is not available. 65 * This may be because we're: 66 * 1) Not associated (4965, no beacon statistics being sent to driver) 67 * 2) Scanning (noise measurement does not apply to associated channel) 68 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 69 * Use default noise value of -127 ... this is below the range of measurable 70 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 71 * Also, -127 works better than 0 when averaging frames with/without 72 * noise info (e.g. averaging might be done in app); measured dBm values are 73 * always negative ... using a negative value as the default keeps all 74 * averages within an s8's (used in some apps) range of negative values. */ 75#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 76 77/* 78 * RTS threshold here is total size [2347] minus 4 FCS bytes 79 * Per spec: 80 * a value of 0 means RTS on all data/management packets 81 * a value > max MSDU size means no RTS 82 * else RTS for data/management frames where MPDU is larger 83 * than RTS value. 84 */ 85#define DEFAULT_RTS_THRESHOLD 2347U 86#define MIN_RTS_THRESHOLD 0U 87#define MAX_RTS_THRESHOLD 2347U 88#define MAX_MSDU_SIZE 2304U 89#define MAX_MPDU_SIZE 2346U 90#define DEFAULT_BEACON_INTERVAL 100U 91#define DEFAULT_SHORT_RETRY_LIMIT 7U 92#define DEFAULT_LONG_RETRY_LIMIT 4U 93 94struct iwl_rx_mem_buffer { 95 dma_addr_t dma_addr; 96 struct sk_buff *skb; 97 struct list_head list; 98}; 99 100/* 101 * Generic queue structure 102 * 103 * Contains common data for Rx and Tx queues 104 */ 105struct iwl_queue { 106 int n_bd; /* number of BDs in this queue */ 107 int write_ptr; /* 1-st empty entry (index) host_w*/ 108 int read_ptr; /* last used entry (index) host_r*/ 109 dma_addr_t dma_addr; /* physical addr for BD's */ 110 int n_window; /* safe queue window */ 111 u32 id; 112 int low_mark; /* low watermark, resume queue if free 113 * space more than this */ 114 int high_mark; /* high watermark, stop queue if free 115 * space less than this */ 116} __attribute__ ((packed)); 117 118#define MAX_NUM_OF_TBS (20) 119 120/* One for each TFD */ 121struct iwl_tx_info { 122 struct sk_buff *skb[MAX_NUM_OF_TBS]; 123}; 124 125/** 126 * struct iwl_tx_queue - Tx Queue for DMA 127 * @q: generic Rx/Tx queue descriptor 128 * @bd: base of circular buffer of TFDs 129 * @cmd: array of command/Tx buffers 130 * @dma_addr_cmd: physical address of cmd/tx buffer array 131 * @txb: array of per-TFD driver data 132 * @need_update: indicates need to update read/write index 133 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 134 * 135 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 136 * descriptors) and required locking structures. 137 */ 138struct iwl_tx_queue { 139 struct iwl_queue q; 140 struct iwl_tfd_frame *bd; 141 struct iwl_cmd *cmd; 142 dma_addr_t dma_addr_cmd; 143 struct iwl_tx_info *txb; 144 int need_update; 145 int sched_retry; 146 int active; 147}; 148 149#define IWL_NUM_SCAN_RATES (2) 150 151struct iwl4965_channel_tgd_info { 152 u8 type; 153 s8 max_power; 154}; 155 156struct iwl4965_channel_tgh_info { 157 s64 last_radar_time; 158}; 159 160/* current Tx power values to use, one for each rate for each channel. 161 * requested power is limited by: 162 * -- regulatory EEPROM limits for this channel 163 * -- hardware capabilities (clip-powers) 164 * -- spectrum management 165 * -- user preference (e.g. iwconfig) 166 * when requested power is set, base power index must also be set. */ 167struct iwl4965_channel_power_info { 168 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ 169 s8 power_table_index; /* actual (compenst'd) index into gain table */ 170 s8 base_power_index; /* gain index for power at factory temp. */ 171 s8 requested_power; /* power (dBm) requested for this chnl/rate */ 172}; 173 174/* current scan Tx power values to use, one for each scan rate for each 175 * channel. */ 176struct iwl4965_scan_power_info { 177 struct iwl4965_tx_power tpc; /* actual radio and DSP gain settings */ 178 s8 power_table_index; /* actual (compenst'd) index into gain table */ 179 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ 180}; 181 182/* For fat_extension_channel */ 183enum { 184 HT_IE_EXT_CHANNEL_NONE = 0, 185 HT_IE_EXT_CHANNEL_ABOVE, 186 HT_IE_EXT_CHANNEL_INVALID, 187 HT_IE_EXT_CHANNEL_BELOW, 188 HT_IE_EXT_CHANNEL_MAX 189}; 190 191/* 192 * One for each channel, holds all channel setup data 193 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 194 * with one another! 195 */ 196#define IWL4965_MAX_RATE (33) 197 198struct iwl_channel_info { 199 struct iwl4965_channel_tgd_info tgd; 200 struct iwl4965_channel_tgh_info tgh; 201 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 202 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for 203 * FAT channel */ 204 205 u8 channel; /* channel number */ 206 u8 flags; /* flags copied from EEPROM */ 207 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 208 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 209 s8 min_power; /* always 0 */ 210 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 211 212 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 213 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 214 enum ieee80211_band band; 215 216 /* Radio/DSP gain settings for each "normal" data Tx rate. 217 * These include, in addition to RF and DSP gain, a few fields for 218 * remembering/modifying gain settings (indexes). */ 219 struct iwl4965_channel_power_info power_info[IWL4965_MAX_RATE]; 220 221 /* FAT channel info */ 222 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 223 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ 224 s8 fat_min_power; /* always 0 */ 225 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */ 226 u8 fat_flags; /* flags copied from EEPROM */ 227 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 228 229 /* Radio/DSP gain settings for each scan rate, for directed scans. */ 230 struct iwl4965_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; 231}; 232 233struct iwl4965_clip_group { 234 /* maximum power level to prevent clipping for each rate, derived by 235 * us from this band's saturation power in EEPROM */ 236 const s8 clip_powers[IWL_MAX_RATES]; 237}; 238 239#include "iwl-4965-rs.h" 240 241#define IWL_TX_FIFO_AC0 0 242#define IWL_TX_FIFO_AC1 1 243#define IWL_TX_FIFO_AC2 2 244#define IWL_TX_FIFO_AC3 3 245#define IWL_TX_FIFO_HCCA_1 5 246#define IWL_TX_FIFO_HCCA_2 6 247#define IWL_TX_FIFO_NONE 7 248 249/* Minimum number of queues. MAX_NUM is defined in hw specific files */ 250#define IWL_MIN_NUM_QUEUES 4 251 252/* Power management (not Tx power) structures */ 253 254enum iwl_pwr_src { 255 IWL_PWR_SRC_VMAIN, 256 IWL_PWR_SRC_VAUX, 257}; 258 259#define IEEE80211_DATA_LEN 2304 260#define IEEE80211_4ADDR_LEN 30 261#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 262#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 263 264struct iwl_frame { 265 union { 266 struct ieee80211_hdr frame; 267 struct iwl4965_tx_beacon_cmd beacon; 268 u8 raw[IEEE80211_FRAME_LEN]; 269 u8 cmd[360]; 270 } u; 271 struct list_head list; 272}; 273 274#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) 275#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) 276#define SEQ_TO_INDEX(x) ((u8)(x & 0xff)) 277#define INDEX_TO_SEQ(x) ((u8)(x & 0xff)) 278#define SEQ_HUGE_FRAME (0x4000) 279#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) 280#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 281#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 282#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 283 284enum { 285 /* CMD_SIZE_NORMAL = 0, */ 286 CMD_SIZE_HUGE = (1 << 0), 287 /* CMD_SYNC = 0, */ 288 CMD_ASYNC = (1 << 1), 289 /* CMD_NO_SKB = 0, */ 290 CMD_WANT_SKB = (1 << 2), 291}; 292 293struct iwl_cmd; 294struct iwl_priv; 295 296struct iwl_cmd_meta { 297 struct iwl_cmd_meta *source; 298 union { 299 struct sk_buff *skb; 300 int (*callback)(struct iwl_priv *priv, 301 struct iwl_cmd *cmd, struct sk_buff *skb); 302 } __attribute__ ((packed)) u; 303 304 /* The CMD_SIZE_HUGE flag bit indicates that the command 305 * structure is stored at the end of the shared queue memory. */ 306 u32 flags; 307 308} __attribute__ ((packed)); 309 310#define IWL_CMD_MAX_PAYLOAD 320 311 312/** 313 * struct iwl_cmd 314 * 315 * For allocation of the command and tx queues, this establishes the overall 316 * size of the largest command we send to uCode, except for a scan command 317 * (which is relatively huge; space is allocated separately). 318 */ 319struct iwl_cmd { 320 struct iwl_cmd_meta meta; /* driver data */ 321 struct iwl_cmd_header hdr; /* uCode API */ 322 union { 323 struct iwl_addsta_cmd addsta; 324 struct iwl4965_led_cmd led; 325 u32 flags; 326 u8 val8; 327 u16 val16; 328 u32 val32; 329 struct iwl4965_bt_cmd bt; 330 struct iwl4965_rxon_time_cmd rxon_time; 331 struct iwl4965_powertable_cmd powertable; 332 struct iwl4965_qosparam_cmd qosparam; 333 struct iwl_tx_cmd tx; 334 struct iwl4965_tx_beacon_cmd tx_beacon; 335 struct iwl4965_rxon_assoc_cmd rxon_assoc; 336 struct iwl_rem_sta_cmd rm_sta; 337 u8 *indirect; 338 u8 payload[IWL_CMD_MAX_PAYLOAD]; 339 } __attribute__ ((packed)) cmd; 340} __attribute__ ((packed)); 341 342struct iwl_host_cmd { 343 u8 id; 344 u16 len; 345 struct iwl_cmd_meta meta; 346 const void *data; 347}; 348 349#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \ 350 sizeof(struct iwl_cmd_meta)) 351 352/* 353 * RX related structures and functions 354 */ 355#define RX_FREE_BUFFERS 64 356#define RX_LOW_WATERMARK 8 357 358#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 359#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 360#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 361 362/** 363 * struct iwl_rx_queue - Rx queue 364 * @processed: Internal index to last handled Rx packet 365 * @read: Shared index to newest available Rx buffer 366 * @write: Shared index to oldest written Rx packet 367 * @free_count: Number of pre-allocated buffers in rx_free 368 * @rx_free: list of free SKBs for use 369 * @rx_used: List of Rx buffers with no SKB 370 * @need_update: flag to indicate we need to update read/write index 371 * 372 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 373 */ 374struct iwl_rx_queue { 375 __le32 *bd; 376 dma_addr_t dma_addr; 377 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 378 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 379 u32 processed; 380 u32 read; 381 u32 write; 382 u32 free_count; 383 struct list_head rx_free; 384 struct list_head rx_used; 385 int need_update; 386 spinlock_t lock; 387}; 388 389#define IWL_SUPPORTED_RATES_IE_LEN 8 390 391#define SCAN_INTERVAL 100 392 393#define MAX_A_CHANNELS 252 394#define MIN_A_CHANNELS 7 395 396#define MAX_B_CHANNELS 14 397#define MIN_B_CHANNELS 1 398 399#define MAX_TID_COUNT 9 400 401#define IWL_INVALID_RATE 0xFF 402#define IWL_INVALID_VALUE -1 403 404/** 405 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 406 * @txq_id: Tx queue used for Tx attempt 407 * @frame_count: # frames attempted by Tx command 408 * @wait_for_ba: Expect block-ack before next Tx reply 409 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 410 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 411 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 412 * @rate_n_flags: Rate at which Tx was attempted 413 * 414 * If REPLY_TX indicates that aggregation was attempted, driver must wait 415 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 416 * until block ack arrives. 417 */ 418struct iwl_ht_agg { 419 u16 txq_id; 420 u16 frame_count; 421 u16 wait_for_ba; 422 u16 start_idx; 423 u64 bitmap; 424 u32 rate_n_flags; 425#define IWL_AGG_OFF 0 426#define IWL_AGG_ON 1 427#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 428#define IWL_EMPTYING_HW_QUEUE_DELBA 3 429 u8 state; 430}; 431 432 433struct iwl_tid_data { 434 u16 seq_number; 435 u16 tfds_in_queue; 436 struct iwl_ht_agg agg; 437}; 438 439struct iwl_hw_key { 440 enum ieee80211_key_alg alg; 441 int keylen; 442 u8 keyidx; 443 u8 key[32]; 444}; 445 446union iwl4965_ht_rate_supp { 447 u16 rates; 448 struct { 449 u8 siso_rate; 450 u8 mimo_rate; 451 }; 452}; 453 454#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) 455#define CFG_HT_MPDU_DENSITY_2USEC (0x5) 456#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC 457 458struct iwl_ht_info { 459 /* self configuration data */ 460 u8 is_ht; 461 u8 supported_chan_width; 462 u16 tx_mimo_ps_mode; 463 u8 is_green_field; 464 u8 sgf; /* HT_SHORT_GI_* short guard interval */ 465 u8 max_amsdu_size; 466 u8 ampdu_factor; 467 u8 mpdu_density; 468 u8 supp_mcs_set[16]; 469 /* BSS related data */ 470 u8 control_channel; 471 u8 extension_chan_offset; 472 u8 tx_chan_width; 473 u8 ht_protection; 474 u8 non_GF_STA_present; 475}; 476 477union iwl4965_qos_capabity { 478 struct { 479 u8 edca_count:4; /* bit 0-3 */ 480 u8 q_ack:1; /* bit 4 */ 481 u8 queue_request:1; /* bit 5 */ 482 u8 txop_request:1; /* bit 6 */ 483 u8 reserved:1; /* bit 7 */ 484 } q_AP; 485 struct { 486 u8 acvo_APSD:1; /* bit 0 */ 487 u8 acvi_APSD:1; /* bit 1 */ 488 u8 ac_bk_APSD:1; /* bit 2 */ 489 u8 ac_be_APSD:1; /* bit 3 */ 490 u8 q_ack:1; /* bit 4 */ 491 u8 max_len:2; /* bit 5-6 */ 492 u8 more_data_ack:1; /* bit 7 */ 493 } q_STA; 494 u8 val; 495}; 496 497/* QoS structures */ 498struct iwl4965_qos_info { 499 int qos_enable; 500 int qos_active; 501 union iwl4965_qos_capabity qos_cap; 502 struct iwl4965_qosparam_cmd def_qos_parm; 503}; 504 505#define STA_PS_STATUS_WAKE 0 506#define STA_PS_STATUS_SLEEP 1 507 508struct iwl_station_entry { 509 struct iwl_addsta_cmd sta; 510 struct iwl_tid_data tid[MAX_TID_COUNT]; 511 u8 used; 512 u8 ps_status; 513 struct iwl_hw_key keyinfo; 514}; 515 516/* one for each uCode image (inst/data, boot/init/runtime) */ 517struct fw_desc { 518 void *v_addr; /* access by driver */ 519 dma_addr_t p_addr; /* access by card's busmaster DMA */ 520 u32 len; /* bytes */ 521}; 522 523/* uCode file layout */ 524struct iwl4965_ucode { 525 __le32 ver; /* major/minor/subminor */ 526 __le32 inst_size; /* bytes of runtime instructions */ 527 __le32 data_size; /* bytes of runtime data */ 528 __le32 init_size; /* bytes of initialization instructions */ 529 __le32 init_data_size; /* bytes of initialization data */ 530 __le32 boot_size; /* bytes of bootstrap instructions */ 531 u8 data[0]; /* data in same order as "size" elements */ 532}; 533 534#define IWL_IBSS_MAC_HASH_SIZE 32 535 536struct iwl4965_ibss_seq { 537 u8 mac[ETH_ALEN]; 538 u16 seq_num; 539 u16 frag_num; 540 unsigned long packet_time; 541 struct list_head list; 542}; 543 544struct iwl_sensitivity_ranges { 545 u16 min_nrg_cck; 546 u16 max_nrg_cck; 547 548 u16 nrg_th_cck; 549 u16 nrg_th_ofdm; 550 551 u16 auto_corr_min_ofdm; 552 u16 auto_corr_min_ofdm_mrc; 553 u16 auto_corr_min_ofdm_x1; 554 u16 auto_corr_min_ofdm_mrc_x1; 555 556 u16 auto_corr_max_ofdm; 557 u16 auto_corr_max_ofdm_mrc; 558 u16 auto_corr_max_ofdm_x1; 559 u16 auto_corr_max_ofdm_mrc_x1; 560 561 u16 auto_corr_max_cck; 562 u16 auto_corr_max_cck_mrc; 563 u16 auto_corr_min_cck; 564 u16 auto_corr_min_cck_mrc; 565}; 566 567 568#define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ) 569 570/** 571 * struct iwl_hw_params 572 * @max_txq_num: Max # Tx queues supported 573 * @tx/rx_chains_num: Number of TX/RX chains 574 * @valid_tx/rx_ant: usable antennas 575 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 576 * @max_rxq_log: Log-base-2 of max_rxq_size 577 * @rx_buf_size: Rx buffer size 578 * @max_stations: 579 * @bcast_sta_id: 580 * @fat_channel: is 40MHz width possible in band 2.4 581 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 582 * @sw_crypto: 0 for hw, 1 for sw 583 * @max_xxx_size: for ucode uses 584 * @ct_kill_threshold: temperature threshold 585 * @struct iwl_sensitivity_ranges: range of sensitivity values 586 */ 587struct iwl_hw_params { 588 u16 max_txq_num; 589 u8 tx_chains_num; 590 u8 rx_chains_num; 591 u8 valid_tx_ant; 592 u8 valid_rx_ant; 593 u16 max_rxq_size; 594 u16 max_rxq_log; 595 u32 rx_buf_size; 596 u32 max_pkt_size; 597 u8 max_stations; 598 u8 bcast_sta_id; 599 u8 fat_channel; 600 u8 sw_crypto; 601 u32 max_inst_size; 602 u32 max_data_size; 603 u32 max_bsm_size; 604 u32 ct_kill_threshold; /* value in hw-dependent units */ 605 const struct iwl_sensitivity_ranges *sens; 606}; 607 608#define HT_SHORT_GI_20MHZ (1 << 0) 609#define HT_SHORT_GI_40MHZ (1 << 1) 610 611 612#define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\ 613 x->u.rx_frame.stats.payload + \ 614 x->u.rx_frame.stats.phy_count)) 615#define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\ 616 IWL_RX_HDR(x)->payload + \ 617 le16_to_cpu(IWL_RX_HDR(x)->len))) 618#define IWL_RX_STATS(x) (&x->u.rx_frame.stats) 619#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) 620 621 622/****************************************************************************** 623 * 624 * Functions implemented in iwl-base.c which are forward declared here 625 * for use by iwl-*.c 626 * 627 *****************************************************************************/ 628struct iwl_addsta_cmd; 629extern int iwl_send_add_sta(struct iwl_priv *priv, 630 struct iwl_addsta_cmd *sta, u8 flags); 631u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap, 632 u8 flags, struct ieee80211_ht_info *ht_info); 633extern int iwl4965_is_network_packet(struct iwl_priv *priv, 634 struct ieee80211_hdr *header); 635extern int iwl4965_power_init_handle(struct iwl_priv *priv); 636extern void iwl4965_handle_data_packet_monitor(struct iwl_priv *priv, 637 struct iwl_rx_mem_buffer *rxb, 638 void *data, short len, 639 struct ieee80211_rx_status *stats, 640 u16 phy_flags); 641extern int iwl4965_is_duplicate_packet(struct iwl_priv *priv, 642 struct ieee80211_hdr *header); 643extern int iwl4965_calc_db_from_ratio(int sig_ratio); 644extern int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm); 645extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv, 646 struct ieee80211_hdr *hdr, 647 const u8 *dest, int left); 648extern void iwl4965_update_chain_flags(struct iwl_priv *priv); 649int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 650 651int iwl4965_init_geos(struct iwl_priv *priv); 652void iwl4965_free_geos(struct iwl_priv *priv); 653 654extern const u8 iwl_bcast_addr[ETH_ALEN]; 655int iwl4965_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); 656 657/* 658 * Currently used by iwl-3945-rs... look at restructuring so that it doesn't 659 * call this... todo... fix that. 660*/ 661extern u8 iwl4965_sync_station(struct iwl_priv *priv, int sta_id, 662 u16 tx_rate, u8 flags); 663 664/****************************************************************************** 665 * 666 * Functions implemented in iwl-[34]*.c which are forward declared here 667 * for use by iwl-base.c 668 * 669 * NOTE: The implementation of these functions are hardware specific 670 * which is why they are in the hardware specific files (vs. iwl-base.c) 671 * 672 * Naming convention -- 673 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_) 674 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) 675 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 676 * iwl4965_bg_ <-- Called from work queue context 677 * iwl4965_mac_ <-- mac80211 callback 678 * 679 ****************************************************************************/ 680extern void iwl4965_hw_setup_deferred_work(struct iwl_priv *priv); 681extern void iwl4965_hw_cancel_deferred_work(struct iwl_priv *priv); 682extern int iwl4965_hw_set_hw_params(struct iwl_priv *priv); 683extern int iwl_rxq_stop(struct iwl_priv *priv); 684extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 685extern int iwl4965_hw_get_temperature(struct iwl_priv *priv); 686extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv, 687 struct iwl_frame *frame, u8 rate); 688extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv, 689 struct iwl_cmd *cmd, 690 struct ieee80211_tx_info *info, 691 struct ieee80211_hdr *hdr, 692 int sta_id, int tx_id); 693extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv); 694extern int iwl4965_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); 695extern void iwl4965_hw_rx_statistics(struct iwl_priv *priv, 696 struct iwl_rx_mem_buffer *rxb); 697extern void iwl4965_disable_events(struct iwl_priv *priv); 698extern int iwl4965_get_temperature(const struct iwl_priv *priv); 699extern void iwl4965_rx_reply_rx(struct iwl_priv *priv, 700 struct iwl_rx_mem_buffer *rxb); 701 702/** 703 * iwl_find_station - Find station id for a given BSSID 704 * @bssid: MAC address of station ID to find 705 * 706 * NOTE: This should not be hardware specific but the code has 707 * not yet been merged into a single common layer for managing the 708 * station tables. 709 */ 710extern u8 iwl_find_station(struct iwl_priv *priv, const u8 *bssid); 711 712extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel); 713extern int iwl_queue_space(const struct iwl_queue *q); 714static inline int iwl_queue_used(const struct iwl_queue *q, int i) 715{ 716 return q->write_ptr > q->read_ptr ? 717 (i >= q->read_ptr && i < q->write_ptr) : 718 !(i < q->read_ptr && i >= q->write_ptr); 719} 720 721 722static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 723{ 724 /* This is for scan command, the big buffer at end of command array */ 725 if (is_huge) 726 return q->n_window; /* must be power of 2 */ 727 728 /* Otherwise, use normal size buffers */ 729 return index & (q->n_window - 1); 730} 731 732 733struct iwl_priv; 734 735extern void iwl4965_radio_kill_sw(struct iwl_priv *priv, int disable_radio); 736/* 737 * Forward declare iwl-4965.c functions for iwl-base.c 738 */ 739extern int iwl4965_tx_queue_update_wr_ptr(struct iwl_priv *priv, 740 struct iwl_tx_queue *txq, 741 u16 byte_cnt); 742extern int iwl4965_alive_notify(struct iwl_priv *priv); 743extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode); 744extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv); 745extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, 746 u32 rate_n_flags, 747 struct ieee80211_tx_info *info); 748 749extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv, 750 struct ieee80211_ht_info *ht_info, 751 enum ieee80211_band band); 752void iwl4965_set_rxon_ht(struct iwl_priv *priv, 753 struct iwl_ht_info *ht_info); 754int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw, 755 enum ieee80211_ampdu_mlme_action action, 756 const u8 *addr, u16 tid, u16 *ssn); 757int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id, 758 u8 tid, int txq_id); 759 760/* Structures, enum, and defines specific to the 4965 */ 761 762#define IWL_KW_SIZE 0x1000 /*4k */ 763 764struct iwl_kw { 765 dma_addr_t dma_addr; 766 void *v_addr; 767 size_t size; 768}; 769 770#define IWL_CHANNEL_WIDTH_20MHZ 0 771#define IWL_CHANNEL_WIDTH_40MHZ 1 772 773#define IWL_MIMO_PS_STATIC 0 774#define IWL_MIMO_PS_NONE 3 775#define IWL_MIMO_PS_DYNAMIC 1 776#define IWL_MIMO_PS_INVALID 2 777 778#define IWL_OPERATION_MODE_AUTO 0 779#define IWL_OPERATION_MODE_HT_ONLY 1 780#define IWL_OPERATION_MODE_MIXED 2 781#define IWL_OPERATION_MODE_20MHZ 3 782 783#define IWL_EXT_CHANNEL_OFFSET_NONE 0 784#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1 785#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2 786#define IWL_EXT_CHANNEL_OFFSET_BELOW 3 787 788#define IWL_TX_CRC_SIZE 4 789#define IWL_TX_DELIMITER_SIZE 4 790 791#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 792 793struct iwl4965_lq_mngr { 794 spinlock_t lock; 795 s32 max_window_size; 796 s32 *expected_tpt; 797 u8 *next_higher_rate; 798 u8 *next_lower_rate; 799 unsigned long stamp; 800 unsigned long stamp_last; 801 u32 flush_time; 802 u32 tx_packets; 803 u8 lq_ready; 804}; 805 806/* Sensitivity and chain noise calibration */ 807#define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1) 808#define INITIALIZATION_VALUE 0xFFFF 809#define CAL_NUM_OF_BEACONS 20 810#define MAXIMUM_ALLOWED_PATHLOSS 15 811 812#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 813 814#define MAX_FA_OFDM 50 815#define MIN_FA_OFDM 5 816#define MAX_FA_CCK 50 817#define MIN_FA_CCK 5 818 819#define AUTO_CORR_STEP_OFDM 1 820 821#define AUTO_CORR_STEP_CCK 3 822#define AUTO_CORR_MAX_TH_CCK 160 823 824#define NRG_DIFF 2 825#define NRG_STEP_CCK 2 826#define NRG_MARGIN 8 827#define MAX_NUMBER_CCK_NO_FA 100 828 829#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 830 831#define CHAIN_A 0 832#define CHAIN_B 1 833#define CHAIN_C 2 834#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 835#define ALL_BAND_FILTER 0xFF00 836#define IN_BAND_FILTER 0xFF 837#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 838 839#define NRG_NUM_PREV_STAT_L 20 840#define NUM_RX_CHAINS 3 841 842enum iwl4965_false_alarm_state { 843 IWL_FA_TOO_MANY = 0, 844 IWL_FA_TOO_FEW = 1, 845 IWL_FA_GOOD_RANGE = 2, 846}; 847 848enum iwl4965_chain_noise_state { 849 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 850 IWL_CHAIN_NOISE_ACCUMULATE = 1, 851 IWL_CHAIN_NOISE_CALIBRATED = 2, 852}; 853 854enum iwl4965_calib_enabled_state { 855 IWL_CALIB_DISABLED = 0, /* must be 0 */ 856 IWL_CALIB_ENABLED = 1, 857}; 858 859struct statistics_general_data { 860 u32 beacon_silence_rssi_a; 861 u32 beacon_silence_rssi_b; 862 u32 beacon_silence_rssi_c; 863 u32 beacon_energy_a; 864 u32 beacon_energy_b; 865 u32 beacon_energy_c; 866}; 867 868struct iwl_calib_results { 869 void *tx_iq_res; 870 void *tx_iq_perd_res; 871 void *lo_res; 872 u32 tx_iq_res_len; 873 u32 tx_iq_perd_res_len; 874 u32 lo_res_len; 875}; 876 877enum ucode_type { 878 UCODE_NONE = 0, 879 UCODE_INIT, 880 UCODE_RT 881}; 882 883/* Sensitivity calib data */ 884struct iwl_sensitivity_data { 885 u32 auto_corr_ofdm; 886 u32 auto_corr_ofdm_mrc; 887 u32 auto_corr_ofdm_x1; 888 u32 auto_corr_ofdm_mrc_x1; 889 u32 auto_corr_cck; 890 u32 auto_corr_cck_mrc; 891 892 u32 last_bad_plcp_cnt_ofdm; 893 u32 last_fa_cnt_ofdm; 894 u32 last_bad_plcp_cnt_cck; 895 u32 last_fa_cnt_cck; 896 897 u32 nrg_curr_state; 898 u32 nrg_prev_state; 899 u32 nrg_value[10]; 900 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 901 u32 nrg_silence_ref; 902 u32 nrg_energy_idx; 903 u32 nrg_silence_idx; 904 u32 nrg_th_cck; 905 s32 nrg_auto_corr_silence_diff; 906 u32 num_in_cck_no_fa; 907 u32 nrg_th_ofdm; 908}; 909 910/* Chain noise (differential Rx gain) calib data */ 911struct iwl_chain_noise_data { 912 u8 state; 913 u16 beacon_count; 914 u32 chain_noise_a; 915 u32 chain_noise_b; 916 u32 chain_noise_c; 917 u32 chain_signal_a; 918 u32 chain_signal_b; 919 u32 chain_signal_c; 920 u8 disconn_array[NUM_RX_CHAINS]; 921 u8 delta_gain_code[NUM_RX_CHAINS]; 922 u8 radio_write; 923}; 924 925#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 926#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 927 928 929#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT 930 931enum { 932 MEASUREMENT_READY = (1 << 0), 933 MEASUREMENT_ACTIVE = (1 << 1), 934}; 935 936#endif 937 938#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */ 939 940struct iwl_priv { 941 942 /* ieee device used by generic ieee processing code */ 943 struct ieee80211_hw *hw; 944 struct ieee80211_channel *ieee_channels; 945 struct ieee80211_rate *ieee_rates; 946 struct iwl_cfg *cfg; 947 948 /* temporary frame storage list */ 949 struct list_head free_frames; 950 int frames_count; 951 952 enum ieee80211_band band; 953 int alloc_rxb_skb; 954 bool add_radiotap; 955 956 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 957 struct iwl_rx_mem_buffer *rxb); 958 959 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 960 961#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT 962 /* spectrum measurement report caching */ 963 struct iwl4965_spectrum_notification measure_report; 964 u8 measurement_status; 965#endif 966 /* ucode beacon time */ 967 u32 ucode_beacon_time; 968 969 /* we allocate array of iwl4965_channel_info for NIC's valid channels. 970 * Access via channel # using indirect index array */ 971 struct iwl_channel_info *channel_info; /* channel info array */ 972 u8 channel_count; /* # of channels */ 973 974 /* each calibration channel group in the EEPROM has a derived 975 * clip setting for each rate. */ 976 const struct iwl4965_clip_group clip_groups[5]; 977 978 /* thermal calibration */ 979 s32 temperature; /* degrees Kelvin */ 980 s32 last_temperature; 981 982 /* init calibration results */ 983 struct iwl_calib_results calib_results; 984 985 /* Scan related variables */ 986 unsigned long last_scan_jiffies; 987 unsigned long next_scan_jiffies; 988 unsigned long scan_start; 989 unsigned long scan_pass_start; 990 unsigned long scan_start_tsf; 991 int scan_bands; 992 int one_direct_scan; 993 u8 direct_ssid_len; 994 u8 direct_ssid[IW_ESSID_MAX_SIZE]; 995 struct iwl4965_scan_cmd *scan; 996 997 /* spinlock */ 998 spinlock_t lock; /* protect general shared data */ 999 spinlock_t hcmd_lock; /* protect hcmd */ 1000 struct mutex mutex; 1001 1002 /* basic pci-network driver stuff */ 1003 struct pci_dev *pci_dev; 1004 1005 /* pci hardware address support */ 1006 void __iomem *hw_base; 1007 u32 hw_rev; 1008 u32 hw_wa_rev; 1009 u8 rev_id; 1010 1011 /* uCode images, save to reload in case of failure */ 1012 struct fw_desc ucode_code; /* runtime inst */ 1013 struct fw_desc ucode_data; /* runtime data original */ 1014 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1015 struct fw_desc ucode_init; /* initialization inst */ 1016 struct fw_desc ucode_init_data; /* initialization data */ 1017 struct fw_desc ucode_boot; /* bootstrap inst */ 1018 enum ucode_type ucode_type; 1019 u8 ucode_write_complete; /* the image write is complete */ 1020 1021 1022 struct iwl4965_rxon_time_cmd rxon_timing; 1023 1024 /* We declare this const so it can only be 1025 * changed via explicit cast within the 1026 * routines that actually update the physical 1027 * hardware */ 1028 const struct iwl_rxon_cmd active_rxon; 1029 struct iwl_rxon_cmd staging_rxon; 1030 1031 int error_recovering; 1032 struct iwl_rxon_cmd recovery_rxon; 1033 1034 /* 1st responses from initialize and runtime uCode images. 1035 * 4965's initialize alive response contains some calibration data. */ 1036 struct iwl_init_alive_resp card_alive_init; 1037 struct iwl_alive_resp card_alive; 1038#ifdef CONFIG_IWLWIFI_RFKILL 1039 struct iwl_rfkill_mngr rfkill_mngr; 1040#endif 1041 1042#ifdef CONFIG_IWLWIFI_LEDS 1043 struct iwl4965_led led[IWL_LED_TRG_MAX]; 1044 unsigned long last_blink_time; 1045 u8 last_blink_rate; 1046 u8 allow_blinking; 1047 u64 led_tpt; 1048#endif 1049 1050 u16 active_rate; 1051 u16 active_rate_basic; 1052 1053 u8 assoc_station_added; 1054 u8 use_ant_b_for_management_frame; /* Tx antenna selection */ 1055 u8 start_calib; 1056 struct iwl_sensitivity_data sensitivity_data; 1057 struct iwl_chain_noise_data chain_noise_data; 1058 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1059 1060 struct iwl_ht_info current_ht_config; 1061 u8 last_phy_res[100]; 1062 1063 /* Rate scaling data */ 1064 struct iwl4965_lq_mngr lq_mngr; 1065 1066 /* Rate scaling data */ 1067 s8 data_retry_limit; 1068 u8 retry_rate; 1069 1070 wait_queue_head_t wait_command_queue; 1071 1072 int activity_timer_active; 1073 1074 /* Rx and Tx DMA processing queues */ 1075 struct iwl_rx_queue rxq; 1076 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES]; 1077 unsigned long txq_ctx_active_msk; 1078 struct iwl_kw kw; /* keep warm address */ 1079 u32 scd_base_addr; /* scheduler sram base address */ 1080 1081 unsigned long status; 1082 1083 int last_rx_rssi; /* From Rx packet statisitics */ 1084 int last_rx_noise; /* From beacon statistics */ 1085 1086 /* counts mgmt, ctl, and data packets */ 1087 struct traffic_stats { 1088 u32 cnt; 1089 u64 bytes; 1090 } tx_stats[3], rx_stats[3]; 1091 1092 struct iwl_power_mgr power_data; 1093 1094 struct iwl4965_notif_statistics statistics; 1095 unsigned long last_statistics_time; 1096 1097 /* context information */ 1098 u8 essid[IW_ESSID_MAX_SIZE]; 1099 u8 essid_len; 1100 u16 rates_mask; 1101 1102 u32 power_mode; 1103 u32 antenna; 1104 u8 bssid[ETH_ALEN]; 1105 u16 rts_threshold; 1106 u8 mac_addr[ETH_ALEN]; 1107 1108 /*station table variables */ 1109 spinlock_t sta_lock; 1110 int num_stations; 1111 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1112 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1113 u8 default_wep_key; 1114 u8 key_mapping_key; 1115 unsigned long ucode_key_table; 1116 1117 /* Indication if ieee80211_ops->open has been called */ 1118 u8 is_open; 1119 1120 u8 mac80211_registered; 1121 1122 /* Rx'd packet timing information */ 1123 u32 last_beacon_time; 1124 u64 last_tsf; 1125 1126 /* Duplicate packet detection */ 1127 u16 last_seq_num; 1128 u16 last_frag_num; 1129 unsigned long last_packet_time; 1130 1131 /* Hash table for finding stations in IBSS network */ 1132 struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE]; 1133 1134 /* eeprom */ 1135 u8 *eeprom; 1136 struct iwl_eeprom_calib_info *calib_info; 1137 1138 enum ieee80211_if_types iw_mode; 1139 1140 struct sk_buff *ibss_beacon; 1141 1142 /* Last Rx'd beacon timestamp */ 1143 u64 timestamp; 1144 u16 beacon_int; 1145 struct ieee80211_vif *vif; 1146 1147 struct iwl_hw_params hw_params; 1148 /* driver/uCode shared Tx Byte Counts and Rx status */ 1149 void *shared_virt; 1150 int rb_closed_offset; 1151 /* Physical Pointer to Tx Byte Counts and Rx status */ 1152 dma_addr_t shared_phys; 1153 1154 /* Current association information needed to configure the 1155 * hardware */ 1156 u16 assoc_id; 1157 u16 assoc_capability; 1158 u8 ps_mode; 1159 1160 struct iwl4965_qos_info qos_data; 1161 1162 struct workqueue_struct *workqueue; 1163 1164 struct work_struct up; 1165 struct work_struct restart; 1166 struct work_struct calibrated_work; 1167 struct work_struct scan_completed; 1168 struct work_struct rx_replenish; 1169 struct work_struct rf_kill; 1170 struct work_struct abort_scan; 1171 struct work_struct update_link_led; 1172 struct work_struct auth_work; 1173 struct work_struct report_work; 1174 struct work_struct request_scan; 1175 struct work_struct beacon_update; 1176 struct work_struct set_monitor; 1177 1178 struct tasklet_struct irq_tasklet; 1179 1180 struct delayed_work init_alive_start; 1181 struct delayed_work alive_start; 1182 struct delayed_work scan_check; 1183 struct delayed_work post_associate; 1184 1185#define IWL_DEFAULT_TX_POWER 0x0F 1186 s8 user_txpower_limit; 1187 s8 max_channel_txpower_limit; 1188 1189#ifdef CONFIG_PM 1190 u32 pm_state[16]; 1191#endif 1192 1193#ifdef CONFIG_IWLWIFI_DEBUG 1194 /* debugging info */ 1195 u32 debug_level; 1196 u32 framecnt_to_us; 1197 atomic_t restrict_refcnt; 1198#ifdef CONFIG_IWLWIFI_DEBUGFS 1199 /* debugfs */ 1200 struct iwl_debugfs *dbgfs; 1201#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1202#endif /* CONFIG_IWLWIFI_DEBUG */ 1203 1204 struct work_struct txpower_work; 1205 u32 disable_sens_cal; 1206 u32 disable_chain_noise_cal; 1207 struct work_struct run_time_calib_work; 1208 struct timer_list statistics_periodic; 1209}; /*iwl_priv */ 1210 1211static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1212{ 1213 set_bit(txq_id, &priv->txq_ctx_active_msk); 1214} 1215 1216static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1217{ 1218 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1219} 1220 1221#ifdef CONFIG_IWLWIF_DEBUG 1222const char *iwl_get_tx_fail_reason(u32 status); 1223#else 1224static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 1225#endif 1226 1227 1228static inline int iwl_get_ra_sta_id(struct iwl_priv *priv, 1229 struct ieee80211_hdr *hdr) 1230{ 1231 if (priv->iw_mode == IEEE80211_IF_TYPE_STA) { 1232 return IWL_AP_ID; 1233 } else { 1234 u8 *da = ieee80211_get_DA(hdr); 1235 return iwl_find_station(priv, da); 1236 } 1237} 1238 1239static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1240 int txq_id, int idx) 1241{ 1242 if (priv->txq[txq_id].txb[idx].skb[0]) 1243 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1244 txb[idx].skb[0]->data; 1245 return NULL; 1246} 1247 1248 1249static inline int iwl_is_associated(struct iwl_priv *priv) 1250{ 1251 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1252} 1253 1254static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1255{ 1256 if (ch_info == NULL) 1257 return 0; 1258 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1259} 1260 1261static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1262{ 1263 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1264} 1265 1266static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1267{ 1268 return ch_info->band == IEEE80211_BAND_5GHZ; 1269} 1270 1271static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1272{ 1273 return ch_info->band == IEEE80211_BAND_2GHZ; 1274} 1275 1276static inline int is_channel_passive(const struct iwl_channel_info *ch) 1277{ 1278 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1279} 1280 1281static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1282{ 1283 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1284} 1285 1286#ifdef CONFIG_IWLWIFI_DEBUG 1287static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, 1288 void *p, u32 len) 1289{ 1290 if (!(priv->debug_level & level)) 1291 return; 1292 1293 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, 1294 p, len, 1); 1295} 1296#else 1297static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, 1298 void *p, u32 len) 1299{ 1300} 1301#endif 1302 1303extern const struct iwl_channel_info *iwl_get_channel_info( 1304 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel); 1305 1306/* Requires full declaration of iwl_priv before including */ 1307 1308#endif /* __iwl4965_4965_h__ */ 1309