iwl-dev.h revision 0924e519a3a18ffbfaa043f4a2c369140c5a235c
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * Intel Linux Wireless <ilw@linux.intel.com> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 *****************************************************************************/ 26/* 27 * Please use this file (iwl-dev.h) for driver implementation definitions. 28 * Please use iwl-commands.h for uCode API definitions. 29 * Please use iwl-4965-hw.h for hardware-related definitions. 30 */ 31 32#ifndef __iwl_dev_h__ 33#define __iwl_dev_h__ 34 35#include <linux/pci.h> /* for struct pci_device_id */ 36#include <linux/kernel.h> 37#include <net/ieee80211_radiotap.h> 38 39#include "iwl-eeprom.h" 40#include "iwl-csr.h" 41#include "iwl-prph.h" 42#include "iwl-fh.h" 43#include "iwl-debug.h" 44#include "iwl-4965-hw.h" 45#include "iwl-3945-hw.h" 46#include "iwl-led.h" 47#include "iwl-power.h" 48#include "iwl-agn-rs.h" 49 50/* configuration for the iwl4965 */ 51extern struct iwl_cfg iwl4965_agn_cfg; 52extern struct iwl_cfg iwl5300_agn_cfg; 53extern struct iwl_cfg iwl5100_agn_cfg; 54extern struct iwl_cfg iwl5350_agn_cfg; 55extern struct iwl_cfg iwl5100_bg_cfg; 56extern struct iwl_cfg iwl5100_abg_cfg; 57extern struct iwl_cfg iwl5150_agn_cfg; 58extern struct iwl_cfg iwl6000h_2agn_cfg; 59extern struct iwl_cfg iwl6000h_2abg_cfg; 60extern struct iwl_cfg iwl6000h_2bg_cfg; 61extern struct iwl_cfg iwl6000i_2agn_cfg; 62extern struct iwl_cfg iwl6000i_2abg_cfg; 63extern struct iwl_cfg iwl6000i_2bg_cfg; 64extern struct iwl_cfg iwl6000_3agn_cfg; 65extern struct iwl_cfg iwl6050_2agn_cfg; 66extern struct iwl_cfg iwl6050_2abg_cfg; 67extern struct iwl_cfg iwl6050_3agn_cfg; 68extern struct iwl_cfg iwl1000_bgn_cfg; 69extern struct iwl_cfg iwl1000_bg_cfg; 70 71struct iwl_tx_queue; 72 73/* shared structures from iwl-5000.c */ 74extern struct iwl_mod_params iwl50_mod_params; 75extern struct iwl_ucode_ops iwl5000_ucode; 76extern struct iwl_lib_ops iwl5000_lib; 77extern struct iwl_hcmd_ops iwl5000_hcmd; 78extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils; 79 80/* shared functions from iwl-5000.c */ 81extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len); 82extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, 83 u8 *data); 84extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info, 85 __le32 *tx_flags); 86extern int iwl5000_calc_rssi(struct iwl_priv *priv, 87 struct iwl_rx_phy_res *rx_resp); 88extern void iwl5000_nic_config(struct iwl_priv *priv); 89extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv); 90extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv, 91 size_t offset); 92extern void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv, 93 struct iwl_tx_queue *txq, 94 u16 byte_cnt); 95extern void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, 96 struct iwl_tx_queue *txq); 97extern int iwl5000_load_ucode(struct iwl_priv *priv); 98extern void iwl5000_init_alive_start(struct iwl_priv *priv); 99extern int iwl5000_alive_notify(struct iwl_priv *priv); 100extern int iwl5000_hw_set_hw_params(struct iwl_priv *priv); 101extern int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id, 102 int tx_fifo, int sta_id, int tid, u16 ssn_idx); 103extern int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, 104 u16 ssn_idx, u8 tx_fifo); 105extern void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask); 106extern void iwl5000_setup_deferred_work(struct iwl_priv *priv); 107extern void iwl5000_rx_handler_setup(struct iwl_priv *priv); 108extern int iwl5000_hw_valid_rtc_data_addr(u32 addr); 109extern int iwl5000_send_tx_power(struct iwl_priv *priv); 110extern void iwl5000_temperature(struct iwl_priv *priv); 111 112/* CT-KILL constants */ 113#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 114#define CT_KILL_THRESHOLD 114 /* in Celsius */ 115#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 116 117/* Default noise level to report when noise measurement is not available. 118 * This may be because we're: 119 * 1) Not associated (4965, no beacon statistics being sent to driver) 120 * 2) Scanning (noise measurement does not apply to associated channel) 121 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 122 * Use default noise value of -127 ... this is below the range of measurable 123 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 124 * Also, -127 works better than 0 when averaging frames with/without 125 * noise info (e.g. averaging might be done in app); measured dBm values are 126 * always negative ... using a negative value as the default keeps all 127 * averages within an s8's (used in some apps) range of negative values. */ 128#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 129 130/* 131 * RTS threshold here is total size [2347] minus 4 FCS bytes 132 * Per spec: 133 * a value of 0 means RTS on all data/management packets 134 * a value > max MSDU size means no RTS 135 * else RTS for data/management frames where MPDU is larger 136 * than RTS value. 137 */ 138#define DEFAULT_RTS_THRESHOLD 2347U 139#define MIN_RTS_THRESHOLD 0U 140#define MAX_RTS_THRESHOLD 2347U 141#define MAX_MSDU_SIZE 2304U 142#define MAX_MPDU_SIZE 2346U 143#define DEFAULT_BEACON_INTERVAL 100U 144#define DEFAULT_SHORT_RETRY_LIMIT 7U 145#define DEFAULT_LONG_RETRY_LIMIT 4U 146 147struct iwl_rx_mem_buffer { 148 dma_addr_t page_dma; 149 struct page *page; 150 struct list_head list; 151}; 152 153#define rxb_addr(r) page_address(r->page) 154 155/* defined below */ 156struct iwl_device_cmd; 157 158struct iwl_cmd_meta { 159 /* only for SYNC commands, iff the reply skb is wanted */ 160 struct iwl_host_cmd *source; 161 /* 162 * only for ASYNC commands 163 * (which is somewhat stupid -- look at iwl-sta.c for instance 164 * which duplicates a bunch of code because the callback isn't 165 * invoked for SYNC commands, if it were and its result passed 166 * through it would be simpler...) 167 */ 168 void (*callback)(struct iwl_priv *priv, 169 struct iwl_device_cmd *cmd, 170 struct iwl_rx_packet *pkt); 171 172 /* The CMD_SIZE_HUGE flag bit indicates that the command 173 * structure is stored at the end of the shared queue memory. */ 174 u32 flags; 175 176 DECLARE_PCI_UNMAP_ADDR(mapping) 177 DECLARE_PCI_UNMAP_LEN(len) 178}; 179 180/* 181 * Generic queue structure 182 * 183 * Contains common data for Rx and Tx queues 184 */ 185struct iwl_queue { 186 int n_bd; /* number of BDs in this queue */ 187 int write_ptr; /* 1-st empty entry (index) host_w*/ 188 int read_ptr; /* last used entry (index) host_r*/ 189 dma_addr_t dma_addr; /* physical addr for BD's */ 190 int n_window; /* safe queue window */ 191 u32 id; 192 int low_mark; /* low watermark, resume queue if free 193 * space more than this */ 194 int high_mark; /* high watermark, stop queue if free 195 * space less than this */ 196} __attribute__ ((packed)); 197 198/* One for each TFD */ 199struct iwl_tx_info { 200 struct sk_buff *skb[IWL_NUM_OF_TBS - 1]; 201}; 202 203/** 204 * struct iwl_tx_queue - Tx Queue for DMA 205 * @q: generic Rx/Tx queue descriptor 206 * @bd: base of circular buffer of TFDs 207 * @cmd: array of command/TX buffer pointers 208 * @meta: array of meta data for each command/tx buffer 209 * @dma_addr_cmd: physical address of cmd/tx buffer array 210 * @txb: array of per-TFD driver data 211 * @need_update: indicates need to update read/write index 212 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 213 * 214 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 215 * descriptors) and required locking structures. 216 */ 217#define TFD_TX_CMD_SLOTS 256 218#define TFD_CMD_SLOTS 32 219 220struct iwl_tx_queue { 221 struct iwl_queue q; 222 void *tfds; 223 struct iwl_device_cmd **cmd; 224 struct iwl_cmd_meta *meta; 225 struct iwl_tx_info *txb; 226 u8 need_update; 227 u8 sched_retry; 228 u8 active; 229 u8 swq_id; 230}; 231 232#define IWL_NUM_SCAN_RATES (2) 233 234struct iwl4965_channel_tgd_info { 235 u8 type; 236 s8 max_power; 237}; 238 239struct iwl4965_channel_tgh_info { 240 s64 last_radar_time; 241}; 242 243#define IWL4965_MAX_RATE (33) 244 245struct iwl3945_clip_group { 246 /* maximum power level to prevent clipping for each rate, derived by 247 * us from this band's saturation power in EEPROM */ 248 const s8 clip_powers[IWL_MAX_RATES]; 249}; 250 251/* current Tx power values to use, one for each rate for each channel. 252 * requested power is limited by: 253 * -- regulatory EEPROM limits for this channel 254 * -- hardware capabilities (clip-powers) 255 * -- spectrum management 256 * -- user preference (e.g. iwconfig) 257 * when requested power is set, base power index must also be set. */ 258struct iwl3945_channel_power_info { 259 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 260 s8 power_table_index; /* actual (compenst'd) index into gain table */ 261 s8 base_power_index; /* gain index for power at factory temp. */ 262 s8 requested_power; /* power (dBm) requested for this chnl/rate */ 263}; 264 265/* current scan Tx power values to use, one for each scan rate for each 266 * channel. */ 267struct iwl3945_scan_power_info { 268 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 269 s8 power_table_index; /* actual (compenst'd) index into gain table */ 270 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ 271}; 272 273/* 274 * One for each channel, holds all channel setup data 275 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 276 * with one another! 277 */ 278struct iwl_channel_info { 279 struct iwl4965_channel_tgd_info tgd; 280 struct iwl4965_channel_tgh_info tgh; 281 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 282 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 283 * HT40 channel */ 284 285 u8 channel; /* channel number */ 286 u8 flags; /* flags copied from EEPROM */ 287 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 288 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 289 s8 min_power; /* always 0 */ 290 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 291 292 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 293 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 294 enum ieee80211_band band; 295 296 /* HT40 channel info */ 297 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 298 s8 ht40_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ 299 s8 ht40_min_power; /* always 0 */ 300 s8 ht40_scan_power; /* (dBm) eeprom, direct scans, any rate */ 301 u8 ht40_flags; /* flags copied from EEPROM */ 302 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 303 304 /* Radio/DSP gain settings for each "normal" data Tx rate. 305 * These include, in addition to RF and DSP gain, a few fields for 306 * remembering/modifying gain settings (indexes). */ 307 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; 308 309 /* Radio/DSP gain settings for each scan rate, for directed scans. */ 310 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; 311}; 312 313#define IWL_TX_FIFO_AC0 0 314#define IWL_TX_FIFO_AC1 1 315#define IWL_TX_FIFO_AC2 2 316#define IWL_TX_FIFO_AC3 3 317#define IWL_TX_FIFO_HCCA_1 5 318#define IWL_TX_FIFO_HCCA_2 6 319#define IWL_TX_FIFO_NONE 7 320 321/* Minimum number of queues. MAX_NUM is defined in hw specific files. 322 * Set the minimum to accommodate the 4 standard TX queues, 1 command 323 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 324#define IWL_MIN_NUM_QUEUES 10 325 326/* 327 * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00, 328 * the driver maps it into the appropriate device FIFO for the 329 * uCode. 330 */ 331#define IWL_CMD_QUEUE_NUM 4 332 333/* Power management (not Tx power) structures */ 334 335enum iwl_pwr_src { 336 IWL_PWR_SRC_VMAIN, 337 IWL_PWR_SRC_VAUX, 338}; 339 340#define IEEE80211_DATA_LEN 2304 341#define IEEE80211_4ADDR_LEN 30 342#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 343#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 344 345struct iwl_frame { 346 union { 347 struct ieee80211_hdr frame; 348 struct iwl_tx_beacon_cmd beacon; 349 u8 raw[IEEE80211_FRAME_LEN]; 350 u8 cmd[360]; 351 } u; 352 struct list_head list; 353}; 354 355#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 356#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 357#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 358 359enum { 360 CMD_SYNC = 0, 361 CMD_SIZE_NORMAL = 0, 362 CMD_NO_SKB = 0, 363 CMD_SIZE_HUGE = (1 << 0), 364 CMD_ASYNC = (1 << 1), 365 CMD_WANT_SKB = (1 << 2), 366}; 367 368#define DEF_CMD_PAYLOAD_SIZE 320 369 370/* 371 * IWL_LINK_HDR_MAX should include ieee80211_hdr, radiotap header, 372 * SNAP header and alignment. It should also be big enough for 802.11 373 * control frames. 374 */ 375#define IWL_LINK_HDR_MAX 64 376 377/** 378 * struct iwl_device_cmd 379 * 380 * For allocation of the command and tx queues, this establishes the overall 381 * size of the largest command we send to uCode, except for a scan command 382 * (which is relatively huge; space is allocated separately). 383 */ 384struct iwl_device_cmd { 385 struct iwl_cmd_header hdr; /* uCode API */ 386 union { 387 u32 flags; 388 u8 val8; 389 u16 val16; 390 u32 val32; 391 struct iwl_tx_cmd tx; 392 struct iwl6000_channel_switch_cmd chswitch; 393 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 394 } __attribute__ ((packed)) cmd; 395} __attribute__ ((packed)); 396 397#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 398 399 400struct iwl_host_cmd { 401 const void *data; 402 unsigned long reply_page; 403 void (*callback)(struct iwl_priv *priv, 404 struct iwl_device_cmd *cmd, 405 struct iwl_rx_packet *pkt); 406 u32 flags; 407 u16 len; 408 u8 id; 409}; 410 411#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 412#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 413#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 414 415/** 416 * struct iwl_rx_queue - Rx queue 417 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 418 * @dma_addr: bus address of buffer of receive buffer descriptors (rbd) 419 * @read: Shared index to newest available Rx buffer 420 * @write: Shared index to oldest written Rx packet 421 * @free_count: Number of pre-allocated buffers in rx_free 422 * @rx_free: list of free SKBs for use 423 * @rx_used: List of Rx buffers with no SKB 424 * @need_update: flag to indicate we need to update read/write index 425 * @rb_stts: driver's pointer to receive buffer status 426 * @rb_stts_dma: bus address of receive buffer status 427 * 428 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 429 */ 430struct iwl_rx_queue { 431 __le32 *bd; 432 dma_addr_t dma_addr; 433 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 434 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 435 u32 read; 436 u32 write; 437 u32 free_count; 438 u32 write_actual; 439 struct list_head rx_free; 440 struct list_head rx_used; 441 int need_update; 442 struct iwl_rb_status *rb_stts; 443 dma_addr_t rb_stts_dma; 444 spinlock_t lock; 445}; 446 447#define IWL_SUPPORTED_RATES_IE_LEN 8 448 449#define MAX_TID_COUNT 9 450 451#define IWL_INVALID_RATE 0xFF 452#define IWL_INVALID_VALUE -1 453 454/** 455 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 456 * @txq_id: Tx queue used for Tx attempt 457 * @frame_count: # frames attempted by Tx command 458 * @wait_for_ba: Expect block-ack before next Tx reply 459 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 460 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 461 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 462 * @rate_n_flags: Rate at which Tx was attempted 463 * 464 * If REPLY_TX indicates that aggregation was attempted, driver must wait 465 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 466 * until block ack arrives. 467 */ 468struct iwl_ht_agg { 469 u16 txq_id; 470 u16 frame_count; 471 u16 wait_for_ba; 472 u16 start_idx; 473 u64 bitmap; 474 u32 rate_n_flags; 475#define IWL_AGG_OFF 0 476#define IWL_AGG_ON 1 477#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 478#define IWL_EMPTYING_HW_QUEUE_DELBA 3 479 u8 state; 480}; 481 482 483struct iwl_tid_data { 484 u16 seq_number; 485 u16 tfds_in_queue; 486 struct iwl_ht_agg agg; 487}; 488 489struct iwl_hw_key { 490 enum ieee80211_key_alg alg; 491 int keylen; 492 u8 keyidx; 493 u8 key[32]; 494}; 495 496union iwl_ht_rate_supp { 497 u16 rates; 498 struct { 499 u8 siso_rate; 500 u8 mimo_rate; 501 }; 502}; 503 504#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) 505 506/* 507 * Maximal MPDU density for TX aggregation 508 * 4 - 2us density 509 * 5 - 4us density 510 * 6 - 8us density 511 * 7 - 16us density 512 */ 513#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 514#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 515 516struct iwl_ht_config { 517 /* self configuration data */ 518 bool is_ht; 519 bool is_40mhz; 520 bool single_chain_sufficient; 521 u8 sm_ps; 522 /* BSS related data */ 523 u8 extension_chan_offset; 524 u8 ht_protection; 525 u8 non_GF_STA_present; 526}; 527 528union iwl_qos_capabity { 529 struct { 530 u8 edca_count:4; /* bit 0-3 */ 531 u8 q_ack:1; /* bit 4 */ 532 u8 queue_request:1; /* bit 5 */ 533 u8 txop_request:1; /* bit 6 */ 534 u8 reserved:1; /* bit 7 */ 535 } q_AP; 536 struct { 537 u8 acvo_APSD:1; /* bit 0 */ 538 u8 acvi_APSD:1; /* bit 1 */ 539 u8 ac_bk_APSD:1; /* bit 2 */ 540 u8 ac_be_APSD:1; /* bit 3 */ 541 u8 q_ack:1; /* bit 4 */ 542 u8 max_len:2; /* bit 5-6 */ 543 u8 more_data_ack:1; /* bit 7 */ 544 } q_STA; 545 u8 val; 546}; 547 548/* QoS structures */ 549struct iwl_qos_info { 550 int qos_active; 551 union iwl_qos_capabity qos_cap; 552 struct iwl_qosparam_cmd def_qos_parm; 553}; 554 555#define STA_PS_STATUS_WAKE 0 556#define STA_PS_STATUS_SLEEP 1 557 558 559struct iwl3945_station_entry { 560 struct iwl3945_addsta_cmd sta; 561 struct iwl_tid_data tid[MAX_TID_COUNT]; 562 u8 used; 563 u8 ps_status; 564 struct iwl_hw_key keyinfo; 565}; 566 567struct iwl_station_entry { 568 struct iwl_addsta_cmd sta; 569 struct iwl_tid_data tid[MAX_TID_COUNT]; 570 u8 used; 571 u8 ps_status; 572 struct iwl_hw_key keyinfo; 573}; 574 575/* 576 * iwl_station_priv: Driver's private station information 577 * 578 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 579 * in the structure for use by driver. This structure is places in that 580 * space. 581 * 582 * At the moment use it for the station's rate scaling information. 583 */ 584struct iwl_station_priv { 585 struct iwl_lq_sta lq_sta; 586}; 587 588/* one for each uCode image (inst/data, boot/init/runtime) */ 589struct fw_desc { 590 void *v_addr; /* access by driver */ 591 dma_addr_t p_addr; /* access by card's busmaster DMA */ 592 u32 len; /* bytes */ 593}; 594 595/* uCode file layout */ 596struct iwl_ucode_header { 597 __le32 ver; /* major/minor/API/serial */ 598 union { 599 struct { 600 __le32 inst_size; /* bytes of runtime code */ 601 __le32 data_size; /* bytes of runtime data */ 602 __le32 init_size; /* bytes of init code */ 603 __le32 init_data_size; /* bytes of init data */ 604 __le32 boot_size; /* bytes of bootstrap code */ 605 u8 data[0]; /* in same order as sizes */ 606 } v1; 607 struct { 608 __le32 build; /* build number */ 609 __le32 inst_size; /* bytes of runtime code */ 610 __le32 data_size; /* bytes of runtime data */ 611 __le32 init_size; /* bytes of init code */ 612 __le32 init_data_size; /* bytes of init data */ 613 __le32 boot_size; /* bytes of bootstrap code */ 614 u8 data[0]; /* in same order as sizes */ 615 } v2; 616 } u; 617}; 618#define UCODE_HEADER_SIZE(ver) ((ver) == 1 ? 24 : 28) 619 620struct iwl4965_ibss_seq { 621 u8 mac[ETH_ALEN]; 622 u16 seq_num; 623 u16 frag_num; 624 unsigned long packet_time; 625 struct list_head list; 626}; 627 628struct iwl_sensitivity_ranges { 629 u16 min_nrg_cck; 630 u16 max_nrg_cck; 631 632 u16 nrg_th_cck; 633 u16 nrg_th_ofdm; 634 635 u16 auto_corr_min_ofdm; 636 u16 auto_corr_min_ofdm_mrc; 637 u16 auto_corr_min_ofdm_x1; 638 u16 auto_corr_min_ofdm_mrc_x1; 639 640 u16 auto_corr_max_ofdm; 641 u16 auto_corr_max_ofdm_mrc; 642 u16 auto_corr_max_ofdm_x1; 643 u16 auto_corr_max_ofdm_mrc_x1; 644 645 u16 auto_corr_max_cck; 646 u16 auto_corr_max_cck_mrc; 647 u16 auto_corr_min_cck; 648 u16 auto_corr_min_cck_mrc; 649 650 u16 barker_corr_th_min; 651 u16 barker_corr_th_min_mrc; 652 u16 nrg_th_cca; 653}; 654 655 656#define KELVIN_TO_CELSIUS(x) ((x)-273) 657#define CELSIUS_TO_KELVIN(x) ((x)+273) 658 659 660/** 661 * struct iwl_hw_params 662 * @max_txq_num: Max # Tx queues supported 663 * @dma_chnl_num: Number of Tx DMA/FIFO channels 664 * @scd_bc_tbls_size: size of scheduler byte count tables 665 * @tfd_size: TFD size 666 * @tx/rx_chains_num: Number of TX/RX chains 667 * @valid_tx/rx_ant: usable antennas 668 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 669 * @max_rxq_log: Log-base-2 of max_rxq_size 670 * @rx_page_order: Rx buffer page order 671 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 672 * @max_stations: 673 * @bcast_sta_id: 674 * @ht40_channel: is 40MHz width possible in band 2.4 675 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 676 * @sw_crypto: 0 for hw, 1 for sw 677 * @max_xxx_size: for ucode uses 678 * @ct_kill_threshold: temperature threshold 679 * @calib_init_cfg: setup initial calibrations for the hw 680 * @struct iwl_sensitivity_ranges: range of sensitivity values 681 */ 682struct iwl_hw_params { 683 u8 max_txq_num; 684 u8 dma_chnl_num; 685 u16 scd_bc_tbls_size; 686 u32 tfd_size; 687 u8 tx_chains_num; 688 u8 rx_chains_num; 689 u8 valid_tx_ant; 690 u8 valid_rx_ant; 691 u16 max_rxq_size; 692 u16 max_rxq_log; 693 u32 rx_page_order; 694 u32 rx_wrt_ptr_reg; 695 u8 max_stations; 696 u8 bcast_sta_id; 697 u8 ht40_channel; 698 u8 max_beacon_itrvl; /* in 1024 ms */ 699 u32 max_inst_size; 700 u32 max_data_size; 701 u32 max_bsm_size; 702 u32 ct_kill_threshold; /* value in hw-dependent units */ 703 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 704 /* for 1000, 6000 series and up */ 705 u32 calib_init_cfg; 706 const struct iwl_sensitivity_ranges *sens; 707}; 708 709 710/****************************************************************************** 711 * 712 * Functions implemented in core module which are forward declared here 713 * for use by iwl-[4-5].c 714 * 715 * NOTE: The implementation of these functions are not hardware specific 716 * which is why they are in the core module files. 717 * 718 * Naming convention -- 719 * iwl_ <-- Is part of iwlwifi 720 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 721 * iwl4965_bg_ <-- Called from work queue context 722 * iwl4965_mac_ <-- mac80211 callback 723 * 724 ****************************************************************************/ 725extern void iwl_update_chain_flags(struct iwl_priv *priv); 726extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 727extern const u8 iwl_bcast_addr[ETH_ALEN]; 728extern int iwl_rxq_stop(struct iwl_priv *priv); 729extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 730extern int iwl_queue_space(const struct iwl_queue *q); 731static inline int iwl_queue_used(const struct iwl_queue *q, int i) 732{ 733 return q->write_ptr > q->read_ptr ? 734 (i >= q->read_ptr && i < q->write_ptr) : 735 !(i < q->read_ptr && i >= q->write_ptr); 736} 737 738 739static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 740{ 741 /* 742 * This is for init calibration result and scan command which 743 * required buffer > TFD_MAX_PAYLOAD_SIZE, 744 * the big buffer at end of command array 745 */ 746 if (is_huge) 747 return q->n_window; /* must be power of 2 */ 748 749 /* Otherwise, use normal size buffers */ 750 return index & (q->n_window - 1); 751} 752 753 754struct iwl_dma_ptr { 755 dma_addr_t dma; 756 void *addr; 757 size_t size; 758}; 759 760#define IWL_OPERATION_MODE_AUTO 0 761#define IWL_OPERATION_MODE_HT_ONLY 1 762#define IWL_OPERATION_MODE_MIXED 2 763#define IWL_OPERATION_MODE_20MHZ 3 764 765#define IWL_TX_CRC_SIZE 4 766#define IWL_TX_DELIMITER_SIZE 4 767 768#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 769 770/* Sensitivity and chain noise calibration */ 771#define INITIALIZATION_VALUE 0xFFFF 772#define IWL4965_CAL_NUM_BEACONS 20 773#define IWL_CAL_NUM_BEACONS 16 774#define MAXIMUM_ALLOWED_PATHLOSS 15 775 776#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 777 778#define MAX_FA_OFDM 50 779#define MIN_FA_OFDM 5 780#define MAX_FA_CCK 50 781#define MIN_FA_CCK 5 782 783#define AUTO_CORR_STEP_OFDM 1 784 785#define AUTO_CORR_STEP_CCK 3 786#define AUTO_CORR_MAX_TH_CCK 160 787 788#define NRG_DIFF 2 789#define NRG_STEP_CCK 2 790#define NRG_MARGIN 8 791#define MAX_NUMBER_CCK_NO_FA 100 792 793#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 794 795#define CHAIN_A 0 796#define CHAIN_B 1 797#define CHAIN_C 2 798#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 799#define ALL_BAND_FILTER 0xFF00 800#define IN_BAND_FILTER 0xFF 801#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 802 803#define NRG_NUM_PREV_STAT_L 20 804#define NUM_RX_CHAINS 3 805 806enum iwl4965_false_alarm_state { 807 IWL_FA_TOO_MANY = 0, 808 IWL_FA_TOO_FEW = 1, 809 IWL_FA_GOOD_RANGE = 2, 810}; 811 812enum iwl4965_chain_noise_state { 813 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 814 IWL_CHAIN_NOISE_ACCUMULATE, 815 IWL_CHAIN_NOISE_CALIBRATED, 816 IWL_CHAIN_NOISE_DONE, 817}; 818 819enum iwl4965_calib_enabled_state { 820 IWL_CALIB_DISABLED = 0, /* must be 0 */ 821 IWL_CALIB_ENABLED = 1, 822}; 823 824 825/* 826 * enum iwl_calib 827 * defines the order in which results of initial calibrations 828 * should be sent to the runtime uCode 829 */ 830enum iwl_calib { 831 IWL_CALIB_XTAL, 832 IWL_CALIB_DC, 833 IWL_CALIB_LO, 834 IWL_CALIB_TX_IQ, 835 IWL_CALIB_TX_IQ_PERD, 836 IWL_CALIB_BASE_BAND, 837 IWL_CALIB_MAX 838}; 839 840/* Opaque calibration results */ 841struct iwl_calib_result { 842 void *buf; 843 size_t buf_len; 844}; 845 846enum ucode_type { 847 UCODE_NONE = 0, 848 UCODE_INIT, 849 UCODE_RT 850}; 851 852/* Sensitivity calib data */ 853struct iwl_sensitivity_data { 854 u32 auto_corr_ofdm; 855 u32 auto_corr_ofdm_mrc; 856 u32 auto_corr_ofdm_x1; 857 u32 auto_corr_ofdm_mrc_x1; 858 u32 auto_corr_cck; 859 u32 auto_corr_cck_mrc; 860 861 u32 last_bad_plcp_cnt_ofdm; 862 u32 last_fa_cnt_ofdm; 863 u32 last_bad_plcp_cnt_cck; 864 u32 last_fa_cnt_cck; 865 866 u32 nrg_curr_state; 867 u32 nrg_prev_state; 868 u32 nrg_value[10]; 869 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 870 u32 nrg_silence_ref; 871 u32 nrg_energy_idx; 872 u32 nrg_silence_idx; 873 u32 nrg_th_cck; 874 s32 nrg_auto_corr_silence_diff; 875 u32 num_in_cck_no_fa; 876 u32 nrg_th_ofdm; 877 878 u16 barker_corr_th_min; 879 u16 barker_corr_th_min_mrc; 880 u16 nrg_th_cca; 881}; 882 883/* Chain noise (differential Rx gain) calib data */ 884struct iwl_chain_noise_data { 885 u32 active_chains; 886 u32 chain_noise_a; 887 u32 chain_noise_b; 888 u32 chain_noise_c; 889 u32 chain_signal_a; 890 u32 chain_signal_b; 891 u32 chain_signal_c; 892 u16 beacon_count; 893 u8 disconn_array[NUM_RX_CHAINS]; 894 u8 delta_gain_code[NUM_RX_CHAINS]; 895 u8 radio_write; 896 u8 state; 897}; 898 899#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 900#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 901 902#define IWL_TRAFFIC_ENTRIES (256) 903#define IWL_TRAFFIC_ENTRY_SIZE (64) 904 905enum { 906 MEASUREMENT_READY = (1 << 0), 907 MEASUREMENT_ACTIVE = (1 << 1), 908}; 909 910enum iwl_nvm_type { 911 NVM_DEVICE_TYPE_EEPROM = 0, 912 NVM_DEVICE_TYPE_OTP, 913}; 914 915/* 916 * Two types of OTP memory access modes 917 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 918 * based on physical memory addressing 919 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 920 * based on logical memory addressing 921 */ 922enum iwl_access_mode { 923 IWL_OTP_ACCESS_ABSOLUTE, 924 IWL_OTP_ACCESS_RELATIVE, 925}; 926 927/** 928 * enum iwl_pa_type - Power Amplifier type 929 * @IWL_PA_SYSTEM: based on uCode configuration 930 * @IWL_PA_HYBRID: use both Internal and external PA 931 * @IWL_PA_INTERNAL: use Internal only 932 */ 933enum iwl_pa_type { 934 IWL_PA_SYSTEM = 0, 935 IWL_PA_HYBRID = 1, 936 IWL_PA_INTERNAL = 2, 937}; 938 939/* interrupt statistics */ 940struct isr_statistics { 941 u32 hw; 942 u32 sw; 943 u32 sw_err; 944 u32 sch; 945 u32 alive; 946 u32 rfkill; 947 u32 ctkill; 948 u32 wakeup; 949 u32 rx; 950 u32 rx_handlers[REPLY_MAX]; 951 u32 tx; 952 u32 unhandled; 953}; 954 955#ifdef CONFIG_IWLWIFI_DEBUGFS 956/* management statistics */ 957enum iwl_mgmt_stats { 958 MANAGEMENT_ASSOC_REQ = 0, 959 MANAGEMENT_ASSOC_RESP, 960 MANAGEMENT_REASSOC_REQ, 961 MANAGEMENT_REASSOC_RESP, 962 MANAGEMENT_PROBE_REQ, 963 MANAGEMENT_PROBE_RESP, 964 MANAGEMENT_BEACON, 965 MANAGEMENT_ATIM, 966 MANAGEMENT_DISASSOC, 967 MANAGEMENT_AUTH, 968 MANAGEMENT_DEAUTH, 969 MANAGEMENT_ACTION, 970 MANAGEMENT_MAX, 971}; 972/* control statistics */ 973enum iwl_ctrl_stats { 974 CONTROL_BACK_REQ = 0, 975 CONTROL_BACK, 976 CONTROL_PSPOLL, 977 CONTROL_RTS, 978 CONTROL_CTS, 979 CONTROL_ACK, 980 CONTROL_CFEND, 981 CONTROL_CFENDACK, 982 CONTROL_MAX, 983}; 984 985struct traffic_stats { 986 u32 mgmt[MANAGEMENT_MAX]; 987 u32 ctrl[CONTROL_MAX]; 988 u32 data_cnt; 989 u64 data_bytes; 990}; 991#else 992struct traffic_stats { 993 u64 data_bytes; 994}; 995#endif 996 997/* 998 * iwl_switch_rxon: "channel switch" structure 999 * 1000 * @ switch_in_progress: channel switch in progress 1001 * @ channel: new channel 1002 */ 1003struct iwl_switch_rxon { 1004 bool switch_in_progress; 1005 __le16 channel; 1006}; 1007 1008struct iwl_priv { 1009 1010 /* ieee device used by generic ieee processing code */ 1011 struct ieee80211_hw *hw; 1012 struct ieee80211_channel *ieee_channels; 1013 struct ieee80211_rate *ieee_rates; 1014 struct iwl_cfg *cfg; 1015 1016 /* temporary frame storage list */ 1017 struct list_head free_frames; 1018 int frames_count; 1019 1020 enum ieee80211_band band; 1021 int alloc_rxb_page; 1022 1023 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1024 struct iwl_rx_mem_buffer *rxb); 1025 1026 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1027 1028#if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT) 1029 /* spectrum measurement report caching */ 1030 struct iwl_spectrum_notification measure_report; 1031 u8 measurement_status; 1032#endif 1033 /* ucode beacon time */ 1034 u32 ucode_beacon_time; 1035 1036 /* we allocate array of iwl4965_channel_info for NIC's valid channels. 1037 * Access via channel # using indirect index array */ 1038 struct iwl_channel_info *channel_info; /* channel info array */ 1039 u8 channel_count; /* # of channels */ 1040 1041 /* each calibration channel group in the EEPROM has a derived 1042 * clip setting for each rate. 3945 only.*/ 1043 const struct iwl3945_clip_group clip39_groups[5]; 1044 1045 /* thermal calibration */ 1046 s32 temperature; /* degrees Kelvin */ 1047 s32 last_temperature; 1048 1049 /* init calibration results */ 1050 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1051 1052 /* Scan related variables */ 1053 unsigned long last_scan_jiffies; 1054 unsigned long next_scan_jiffies; 1055 unsigned long scan_start; 1056 unsigned long scan_pass_start; 1057 unsigned long scan_start_tsf; 1058 void *scan; 1059 int scan_bands; 1060 struct cfg80211_scan_request *scan_request; 1061 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1062 u8 mgmt_tx_ant; 1063 1064 /* spinlock */ 1065 spinlock_t lock; /* protect general shared data */ 1066 spinlock_t hcmd_lock; /* protect hcmd */ 1067 spinlock_t reg_lock; /* protect hw register access */ 1068 struct mutex mutex; 1069 1070 /* basic pci-network driver stuff */ 1071 struct pci_dev *pci_dev; 1072 1073 /* pci hardware address support */ 1074 void __iomem *hw_base; 1075 u32 hw_rev; 1076 u32 hw_wa_rev; 1077 u8 rev_id; 1078 1079 /* uCode images, save to reload in case of failure */ 1080 u32 ucode_ver; /* version of ucode, copy of 1081 iwl_ucode.ver */ 1082 struct fw_desc ucode_code; /* runtime inst */ 1083 struct fw_desc ucode_data; /* runtime data original */ 1084 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1085 struct fw_desc ucode_init; /* initialization inst */ 1086 struct fw_desc ucode_init_data; /* initialization data */ 1087 struct fw_desc ucode_boot; /* bootstrap inst */ 1088 enum ucode_type ucode_type; 1089 u8 ucode_write_complete; /* the image write is complete */ 1090 1091 1092 struct iwl_rxon_time_cmd rxon_timing; 1093 1094 /* We declare this const so it can only be 1095 * changed via explicit cast within the 1096 * routines that actually update the physical 1097 * hardware */ 1098 const struct iwl_rxon_cmd active_rxon; 1099 struct iwl_rxon_cmd staging_rxon; 1100 1101 struct iwl_switch_rxon switch_rxon; 1102 1103 /* 1st responses from initialize and runtime uCode images. 1104 * 4965's initialize alive response contains some calibration data. */ 1105 struct iwl_init_alive_resp card_alive_init; 1106 struct iwl_alive_resp card_alive; 1107 1108 unsigned long last_blink_time; 1109 u8 last_blink_rate; 1110 u8 allow_blinking; 1111 u64 led_tpt; 1112 1113 u16 active_rate; 1114 u16 active_rate_basic; 1115 1116 u8 assoc_station_added; 1117 u8 start_calib; 1118 struct iwl_sensitivity_data sensitivity_data; 1119 struct iwl_chain_noise_data chain_noise_data; 1120 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1121 1122 struct iwl_ht_config current_ht_config; 1123 u8 last_phy_res[100]; 1124 1125 /* Rate scaling data */ 1126 u8 retry_rate; 1127 1128 wait_queue_head_t wait_command_queue; 1129 1130 int activity_timer_active; 1131 1132 /* Rx and Tx DMA processing queues */ 1133 struct iwl_rx_queue rxq; 1134 struct iwl_tx_queue *txq; 1135 unsigned long txq_ctx_active_msk; 1136 struct iwl_dma_ptr kw; /* keep warm address */ 1137 struct iwl_dma_ptr scd_bc_tbls; 1138 1139 u32 scd_base_addr; /* scheduler sram base address */ 1140 1141 unsigned long status; 1142 1143 int last_rx_rssi; /* From Rx packet statistics */ 1144 int last_rx_noise; /* From beacon statistics */ 1145 1146 /* counts mgmt, ctl, and data packets */ 1147 struct traffic_stats tx_stats; 1148 struct traffic_stats rx_stats; 1149 1150 /* counts interrupts */ 1151 struct isr_statistics isr_stats; 1152 1153 struct iwl_power_mgr power_data; 1154 struct iwl_tt_mgmt thermal_throttle; 1155 1156 struct iwl_notif_statistics statistics; 1157#ifdef CONFIG_IWLWIFI_DEBUG 1158 struct iwl_notif_statistics accum_statistics; 1159#endif 1160 1161 /* context information */ 1162 u16 rates_mask; 1163 1164 u8 bssid[ETH_ALEN]; 1165 u16 rts_threshold; 1166 u8 mac_addr[ETH_ALEN]; 1167 1168 /*station table variables */ 1169 spinlock_t sta_lock; 1170 int num_stations; 1171 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1172 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1173 u8 default_wep_key; 1174 u8 key_mapping_key; 1175 unsigned long ucode_key_table; 1176 1177 /* queue refcounts */ 1178#define IWL_MAX_HW_QUEUES 32 1179 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1180 /* for each AC */ 1181 atomic_t queue_stop_count[4]; 1182 1183 /* Indication if ieee80211_ops->open has been called */ 1184 u8 is_open; 1185 1186 u8 mac80211_registered; 1187 1188 /* Rx'd packet timing information */ 1189 u32 last_beacon_time; 1190 u64 last_tsf; 1191 1192 /* eeprom */ 1193 u8 *eeprom; 1194 int nvm_device_type; 1195 struct iwl_eeprom_calib_info *calib_info; 1196 1197 enum nl80211_iftype iw_mode; 1198 1199 struct sk_buff *ibss_beacon; 1200 1201 /* Last Rx'd beacon timestamp */ 1202 u64 timestamp; 1203 u16 beacon_int; 1204 struct ieee80211_vif *vif; 1205 1206 /*Added for 3945 */ 1207 void *shared_virt; 1208 dma_addr_t shared_phys; 1209 /*End*/ 1210 struct iwl_hw_params hw_params; 1211 1212 /* INT ICT Table */ 1213 __le32 *ict_tbl; 1214 dma_addr_t ict_tbl_dma; 1215 dma_addr_t aligned_ict_tbl_dma; 1216 int ict_index; 1217 void *ict_tbl_vir; 1218 u32 inta; 1219 bool use_ict; 1220 1221 u32 inta_mask; 1222 /* Current association information needed to configure the 1223 * hardware */ 1224 u16 assoc_id; 1225 u16 assoc_capability; 1226 1227 struct iwl_qos_info qos_data; 1228 1229 struct workqueue_struct *workqueue; 1230 1231 struct work_struct up; 1232 struct work_struct restart; 1233 struct work_struct calibrated_work; 1234 struct work_struct scan_completed; 1235 struct work_struct rx_replenish; 1236 struct work_struct abort_scan; 1237 struct work_struct update_link_led; 1238 struct work_struct auth_work; 1239 struct work_struct report_work; 1240 struct work_struct request_scan; 1241 struct work_struct beacon_update; 1242 struct work_struct tt_work; 1243 struct work_struct ct_enter; 1244 struct work_struct ct_exit; 1245 1246 struct tasklet_struct irq_tasklet; 1247 1248 struct delayed_work init_alive_start; 1249 struct delayed_work alive_start; 1250 struct delayed_work scan_check; 1251 1252 /*For 3945 only*/ 1253 struct delayed_work thermal_periodic; 1254 struct delayed_work rfkill_poll; 1255 1256 /* TX Power */ 1257 s8 tx_power_user_lmt; 1258 s8 tx_power_device_lmt; 1259 1260 1261#ifdef CONFIG_IWLWIFI_DEBUG 1262 /* debugging info */ 1263 u32 debug_level; /* per device debugging will override global 1264 iwl_debug_level if set */ 1265 u32 framecnt_to_us; 1266 atomic_t restrict_refcnt; 1267 bool disable_ht40; 1268#ifdef CONFIG_IWLWIFI_DEBUGFS 1269 /* debugfs */ 1270 u16 tx_traffic_idx; 1271 u16 rx_traffic_idx; 1272 u8 *tx_traffic; 1273 u8 *rx_traffic; 1274 struct iwl_debugfs *dbgfs; 1275#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1276#endif /* CONFIG_IWLWIFI_DEBUG */ 1277 1278 struct work_struct txpower_work; 1279 u32 disable_sens_cal; 1280 u32 disable_chain_noise_cal; 1281 u32 disable_tx_power_cal; 1282 struct work_struct run_time_calib_work; 1283 struct timer_list statistics_periodic; 1284 bool hw_ready; 1285 /*For 3945*/ 1286#define IWL_DEFAULT_TX_POWER 0x0F 1287 1288 struct iwl3945_notif_statistics statistics_39; 1289 1290 u32 sta_supp_rates; 1291}; /*iwl_priv */ 1292 1293static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1294{ 1295 set_bit(txq_id, &priv->txq_ctx_active_msk); 1296} 1297 1298static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1299{ 1300 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1301} 1302 1303#ifdef CONFIG_IWLWIFI_DEBUG 1304const char *iwl_get_tx_fail_reason(u32 status); 1305/* 1306 * iwl_get_debug_level: Return active debug level for device 1307 * 1308 * Using sysfs it is possible to set per device debug level. This debug 1309 * level will be used if set, otherwise the global debug level which can be 1310 * set via module parameter is used. 1311 */ 1312static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1313{ 1314 if (priv->debug_level) 1315 return priv->debug_level; 1316 else 1317 return iwl_debug_level; 1318} 1319#else 1320static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 1321 1322static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1323{ 1324 return iwl_debug_level; 1325} 1326#endif 1327 1328 1329static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1330 int txq_id, int idx) 1331{ 1332 if (priv->txq[txq_id].txb[idx].skb[0]) 1333 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1334 txb[idx].skb[0]->data; 1335 return NULL; 1336} 1337 1338 1339static inline int iwl_is_associated(struct iwl_priv *priv) 1340{ 1341 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1342} 1343 1344static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1345{ 1346 if (ch_info == NULL) 1347 return 0; 1348 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1349} 1350 1351static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1352{ 1353 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1354} 1355 1356static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1357{ 1358 return ch_info->band == IEEE80211_BAND_5GHZ; 1359} 1360 1361static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1362{ 1363 return ch_info->band == IEEE80211_BAND_2GHZ; 1364} 1365 1366static inline int is_channel_passive(const struct iwl_channel_info *ch) 1367{ 1368 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1369} 1370 1371static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1372{ 1373 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1374} 1375 1376#endif /* __iwl_dev_h__ */ 1377