iwl-dev.h revision c03ea16285bf142172f9816b8a1f5c43bb4b4405
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-3945-led.h" 47#include "iwl-led.h" 48#include "iwl-power.h" 49#include "iwl-agn-rs.h" 50 51/* configuration for the iwl4965 */ 52extern struct iwl_cfg iwl4965_agn_cfg; 53extern struct iwl_cfg iwl5300_agn_cfg; 54extern struct iwl_cfg iwl5100_agn_cfg; 55extern struct iwl_cfg iwl5350_agn_cfg; 56extern struct iwl_cfg iwl5100_bg_cfg; 57extern struct iwl_cfg iwl5100_abg_cfg; 58extern struct iwl_cfg iwl5150_agn_cfg; 59extern struct iwl_cfg iwl6000h_2agn_cfg; 60extern struct iwl_cfg iwl6000i_2agn_cfg; 61extern struct iwl_cfg iwl6000_3agn_cfg; 62extern struct iwl_cfg iwl6050_2agn_cfg; 63extern struct iwl_cfg iwl6050_3agn_cfg; 64extern struct iwl_cfg iwl1000_bgn_cfg; 65 66struct iwl_tx_queue; 67 68/* shared structures from iwl-5000.c */ 69extern struct iwl_mod_params iwl50_mod_params; 70extern struct iwl_ops iwl5000_ops; 71extern struct iwl_ucode_ops iwl5000_ucode; 72extern struct iwl_lib_ops iwl5000_lib; 73extern struct iwl_hcmd_ops iwl5000_hcmd; 74extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils; 75 76/* shared functions from iwl-5000.c */ 77extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len); 78extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, 79 u8 *data); 80extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info, 81 __le32 *tx_flags); 82extern int iwl5000_calc_rssi(struct iwl_priv *priv, 83 struct iwl_rx_phy_res *rx_resp); 84extern int iwl5000_apm_init(struct iwl_priv *priv); 85extern void iwl5000_apm_stop(struct iwl_priv *priv); 86extern int iwl5000_apm_reset(struct iwl_priv *priv); 87extern void iwl5000_nic_config(struct iwl_priv *priv); 88extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv); 89extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv, 90 size_t offset); 91extern void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv, 92 struct iwl_tx_queue *txq, 93 u16 byte_cnt); 94extern void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, 95 struct iwl_tx_queue *txq); 96extern int iwl5000_load_ucode(struct iwl_priv *priv); 97extern void iwl5000_init_alive_start(struct iwl_priv *priv); 98extern int iwl5000_alive_notify(struct iwl_priv *priv); 99extern int iwl5000_hw_set_hw_params(struct iwl_priv *priv); 100extern int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id, 101 int tx_fifo, int sta_id, int tid, u16 ssn_idx); 102extern int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, 103 u16 ssn_idx, u8 tx_fifo); 104extern void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask); 105extern void iwl5000_setup_deferred_work(struct iwl_priv *priv); 106extern void iwl5000_rx_handler_setup(struct iwl_priv *priv); 107extern int iwl5000_hw_valid_rtc_data_addr(u32 addr); 108extern int iwl5000_send_tx_power(struct iwl_priv *priv); 109extern void iwl5000_temperature(struct iwl_priv *priv); 110 111/* CT-KILL constants */ 112#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 113#define CT_KILL_THRESHOLD 114 /* in Celsius */ 114#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 115 116/* Default noise level to report when noise measurement is not available. 117 * This may be because we're: 118 * 1) Not associated (4965, no beacon statistics being sent to driver) 119 * 2) Scanning (noise measurement does not apply to associated channel) 120 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 121 * Use default noise value of -127 ... this is below the range of measurable 122 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 123 * Also, -127 works better than 0 when averaging frames with/without 124 * noise info (e.g. averaging might be done in app); measured dBm values are 125 * always negative ... using a negative value as the default keeps all 126 * averages within an s8's (used in some apps) range of negative values. */ 127#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 128 129/* 130 * RTS threshold here is total size [2347] minus 4 FCS bytes 131 * Per spec: 132 * a value of 0 means RTS on all data/management packets 133 * a value > max MSDU size means no RTS 134 * else RTS for data/management frames where MPDU is larger 135 * than RTS value. 136 */ 137#define DEFAULT_RTS_THRESHOLD 2347U 138#define MIN_RTS_THRESHOLD 0U 139#define MAX_RTS_THRESHOLD 2347U 140#define MAX_MSDU_SIZE 2304U 141#define MAX_MPDU_SIZE 2346U 142#define DEFAULT_BEACON_INTERVAL 100U 143#define DEFAULT_SHORT_RETRY_LIMIT 7U 144#define DEFAULT_LONG_RETRY_LIMIT 4U 145 146struct iwl_rx_mem_buffer { 147 dma_addr_t real_dma_addr; 148 dma_addr_t aligned_dma_addr; 149 struct sk_buff *skb; 150 struct list_head list; 151}; 152 153/* defined below */ 154struct iwl_device_cmd; 155 156struct iwl_cmd_meta { 157 /* only for SYNC commands, iff the reply skb is wanted */ 158 struct iwl_host_cmd *source; 159 /* 160 * only for ASYNC commands 161 * (which is somewhat stupid -- look at iwl-sta.c for instance 162 * which duplicates a bunch of code because the callback isn't 163 * invoked for SYNC commands, if it were and its result passed 164 * through it would be simpler...) 165 */ 166 void (*callback)(struct iwl_priv *priv, 167 struct iwl_device_cmd *cmd, 168 struct sk_buff *skb); 169 170 /* The CMD_SIZE_HUGE flag bit indicates that the command 171 * structure is stored at the end of the shared queue memory. */ 172 u32 flags; 173 174 DECLARE_PCI_UNMAP_ADDR(mapping) 175 DECLARE_PCI_UNMAP_LEN(len) 176}; 177 178/* 179 * Generic queue structure 180 * 181 * Contains common data for Rx and Tx queues 182 */ 183struct iwl_queue { 184 int n_bd; /* number of BDs in this queue */ 185 int write_ptr; /* 1-st empty entry (index) host_w*/ 186 int read_ptr; /* last used entry (index) host_r*/ 187 dma_addr_t dma_addr; /* physical addr for BD's */ 188 int n_window; /* safe queue window */ 189 u32 id; 190 int low_mark; /* low watermark, resume queue if free 191 * space more than this */ 192 int high_mark; /* high watermark, stop queue if free 193 * space less than this */ 194} __attribute__ ((packed)); 195 196/* One for each TFD */ 197struct iwl_tx_info { 198 struct sk_buff *skb[IWL_NUM_OF_TBS - 1]; 199}; 200 201/** 202 * struct iwl_tx_queue - Tx Queue for DMA 203 * @q: generic Rx/Tx queue descriptor 204 * @bd: base of circular buffer of TFDs 205 * @cmd: array of command/TX buffer pointers 206 * @meta: array of meta data for each command/tx buffer 207 * @dma_addr_cmd: physical address of cmd/tx buffer array 208 * @txb: array of per-TFD driver data 209 * @need_update: indicates need to update read/write index 210 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 211 * 212 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 213 * descriptors) and required locking structures. 214 */ 215#define TFD_TX_CMD_SLOTS 256 216#define TFD_CMD_SLOTS 32 217 218struct iwl_tx_queue { 219 struct iwl_queue q; 220 void *tfds; 221 struct iwl_device_cmd **cmd; 222 struct iwl_cmd_meta *meta; 223 struct iwl_tx_info *txb; 224 u8 need_update; 225 u8 sched_retry; 226 u8 active; 227 u8 swq_id; 228}; 229 230#define IWL_NUM_SCAN_RATES (2) 231 232struct iwl4965_channel_tgd_info { 233 u8 type; 234 s8 max_power; 235}; 236 237struct iwl4965_channel_tgh_info { 238 s64 last_radar_time; 239}; 240 241#define IWL4965_MAX_RATE (33) 242 243struct iwl3945_clip_group { 244 /* maximum power level to prevent clipping for each rate, derived by 245 * us from this band's saturation power in EEPROM */ 246 const s8 clip_powers[IWL_MAX_RATES]; 247}; 248 249/* current Tx power values to use, one for each rate for each channel. 250 * requested power is limited by: 251 * -- regulatory EEPROM limits for this channel 252 * -- hardware capabilities (clip-powers) 253 * -- spectrum management 254 * -- user preference (e.g. iwconfig) 255 * when requested power is set, base power index must also be set. */ 256struct iwl3945_channel_power_info { 257 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 258 s8 power_table_index; /* actual (compenst'd) index into gain table */ 259 s8 base_power_index; /* gain index for power at factory temp. */ 260 s8 requested_power; /* power (dBm) requested for this chnl/rate */ 261}; 262 263/* current scan Tx power values to use, one for each scan rate for each 264 * channel. */ 265struct iwl3945_scan_power_info { 266 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 267 s8 power_table_index; /* actual (compenst'd) index into gain table */ 268 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ 269}; 270 271/* 272 * One for each channel, holds all channel setup data 273 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 274 * with one another! 275 */ 276struct iwl_channel_info { 277 struct iwl4965_channel_tgd_info tgd; 278 struct iwl4965_channel_tgh_info tgh; 279 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 280 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 281 * HT40 channel */ 282 283 u8 channel; /* channel number */ 284 u8 flags; /* flags copied from EEPROM */ 285 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 286 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 287 s8 min_power; /* always 0 */ 288 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 289 290 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 291 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 292 enum ieee80211_band band; 293 294 /* HT40 channel info */ 295 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 296 s8 ht40_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ 297 s8 ht40_min_power; /* always 0 */ 298 s8 ht40_scan_power; /* (dBm) eeprom, direct scans, any rate */ 299 u8 ht40_flags; /* flags copied from EEPROM */ 300 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 301 302 /* Radio/DSP gain settings for each "normal" data Tx rate. 303 * These include, in addition to RF and DSP gain, a few fields for 304 * remembering/modifying gain settings (indexes). */ 305 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; 306 307 /* Radio/DSP gain settings for each scan rate, for directed scans. */ 308 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; 309}; 310 311#define IWL_TX_FIFO_AC0 0 312#define IWL_TX_FIFO_AC1 1 313#define IWL_TX_FIFO_AC2 2 314#define IWL_TX_FIFO_AC3 3 315#define IWL_TX_FIFO_HCCA_1 5 316#define IWL_TX_FIFO_HCCA_2 6 317#define IWL_TX_FIFO_NONE 7 318 319/* Minimum number of queues. MAX_NUM is defined in hw specific files. 320 * Set the minimum to accommodate the 4 standard TX queues, 1 command 321 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 322#define IWL_MIN_NUM_QUEUES 10 323 324/* Power management (not Tx power) structures */ 325 326enum iwl_pwr_src { 327 IWL_PWR_SRC_VMAIN, 328 IWL_PWR_SRC_VAUX, 329}; 330 331#define IEEE80211_DATA_LEN 2304 332#define IEEE80211_4ADDR_LEN 30 333#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 334#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 335 336struct iwl_frame { 337 union { 338 struct ieee80211_hdr frame; 339 struct iwl_tx_beacon_cmd beacon; 340 u8 raw[IEEE80211_FRAME_LEN]; 341 u8 cmd[360]; 342 } u; 343 struct list_head list; 344}; 345 346#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 347#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 348#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 349 350enum { 351 CMD_SYNC = 0, 352 CMD_SIZE_NORMAL = 0, 353 CMD_NO_SKB = 0, 354 CMD_SIZE_HUGE = (1 << 0), 355 CMD_ASYNC = (1 << 1), 356 CMD_WANT_SKB = (1 << 2), 357}; 358 359#define IWL_CMD_MAX_PAYLOAD 320 360 361/** 362 * struct iwl_device_cmd 363 * 364 * For allocation of the command and tx queues, this establishes the overall 365 * size of the largest command we send to uCode, except for a scan command 366 * (which is relatively huge; space is allocated separately). 367 */ 368struct iwl_device_cmd { 369 struct iwl_cmd_header hdr; /* uCode API */ 370 union { 371 u32 flags; 372 u8 val8; 373 u16 val16; 374 u32 val32; 375 struct iwl_tx_cmd tx; 376 u8 payload[IWL_CMD_MAX_PAYLOAD]; 377 } __attribute__ ((packed)) cmd; 378} __attribute__ ((packed)); 379 380#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 381 382 383struct iwl_host_cmd { 384 const void *data; 385 struct sk_buff *reply_skb; 386 void (*callback)(struct iwl_priv *priv, 387 struct iwl_device_cmd *cmd, 388 struct sk_buff *skb); 389 u32 flags; 390 u16 len; 391 u8 id; 392}; 393 394/* 395 * RX related structures and functions 396 */ 397#define RX_FREE_BUFFERS 64 398#define RX_LOW_WATERMARK 8 399 400#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 401#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 402#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 403 404/** 405 * struct iwl_rx_queue - Rx queue 406 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 407 * @dma_addr: bus address of buffer of receive buffer descriptors (rbd) 408 * @read: Shared index to newest available Rx buffer 409 * @write: Shared index to oldest written Rx packet 410 * @free_count: Number of pre-allocated buffers in rx_free 411 * @rx_free: list of free SKBs for use 412 * @rx_used: List of Rx buffers with no SKB 413 * @need_update: flag to indicate we need to update read/write index 414 * @rb_stts: driver's pointer to receive buffer status 415 * @rb_stts_dma: bus address of receive buffer status 416 * 417 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 418 */ 419struct iwl_rx_queue { 420 __le32 *bd; 421 dma_addr_t dma_addr; 422 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 423 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 424 u32 read; 425 u32 write; 426 u32 free_count; 427 u32 write_actual; 428 struct list_head rx_free; 429 struct list_head rx_used; 430 int need_update; 431 struct iwl_rb_status *rb_stts; 432 dma_addr_t rb_stts_dma; 433 spinlock_t lock; 434}; 435 436#define IWL_SUPPORTED_RATES_IE_LEN 8 437 438#define MAX_TID_COUNT 9 439 440#define IWL_INVALID_RATE 0xFF 441#define IWL_INVALID_VALUE -1 442 443/** 444 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 445 * @txq_id: Tx queue used for Tx attempt 446 * @frame_count: # frames attempted by Tx command 447 * @wait_for_ba: Expect block-ack before next Tx reply 448 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 449 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 450 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 451 * @rate_n_flags: Rate at which Tx was attempted 452 * 453 * If REPLY_TX indicates that aggregation was attempted, driver must wait 454 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 455 * until block ack arrives. 456 */ 457struct iwl_ht_agg { 458 u16 txq_id; 459 u16 frame_count; 460 u16 wait_for_ba; 461 u16 start_idx; 462 u64 bitmap; 463 u32 rate_n_flags; 464#define IWL_AGG_OFF 0 465#define IWL_AGG_ON 1 466#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 467#define IWL_EMPTYING_HW_QUEUE_DELBA 3 468 u8 state; 469}; 470 471 472struct iwl_tid_data { 473 u16 seq_number; 474 u16 tfds_in_queue; 475 struct iwl_ht_agg agg; 476}; 477 478struct iwl_hw_key { 479 enum ieee80211_key_alg alg; 480 int keylen; 481 u8 keyidx; 482 u8 key[32]; 483}; 484 485union iwl_ht_rate_supp { 486 u16 rates; 487 struct { 488 u8 siso_rate; 489 u8 mimo_rate; 490 }; 491}; 492 493#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) 494 495/* 496 * Maximal MPDU density for TX aggregation 497 * 4 - 2us density 498 * 5 - 4us density 499 * 6 - 8us density 500 * 7 - 16us density 501 */ 502#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 503#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 504 505struct iwl_ht_info { 506 /* self configuration data */ 507 u8 is_ht; 508 u8 supported_chan_width; 509 u8 sm_ps; 510 u8 is_green_field; 511 u8 sgf; /* HT_SHORT_GI_* short guard interval */ 512 u8 max_amsdu_size; 513 u8 ampdu_factor; 514 u8 mpdu_density; 515 struct ieee80211_mcs_info mcs; 516 /* BSS related data */ 517 u8 extension_chan_offset; 518 u8 tx_chan_width; 519 u8 ht_protection; 520 u8 non_GF_STA_present; 521}; 522 523union iwl_qos_capabity { 524 struct { 525 u8 edca_count:4; /* bit 0-3 */ 526 u8 q_ack:1; /* bit 4 */ 527 u8 queue_request:1; /* bit 5 */ 528 u8 txop_request:1; /* bit 6 */ 529 u8 reserved:1; /* bit 7 */ 530 } q_AP; 531 struct { 532 u8 acvo_APSD:1; /* bit 0 */ 533 u8 acvi_APSD:1; /* bit 1 */ 534 u8 ac_bk_APSD:1; /* bit 2 */ 535 u8 ac_be_APSD:1; /* bit 3 */ 536 u8 q_ack:1; /* bit 4 */ 537 u8 max_len:2; /* bit 5-6 */ 538 u8 more_data_ack:1; /* bit 7 */ 539 } q_STA; 540 u8 val; 541}; 542 543/* QoS structures */ 544struct iwl_qos_info { 545 int qos_active; 546 union iwl_qos_capabity qos_cap; 547 struct iwl_qosparam_cmd def_qos_parm; 548}; 549 550#define STA_PS_STATUS_WAKE 0 551#define STA_PS_STATUS_SLEEP 1 552 553 554struct iwl3945_station_entry { 555 struct iwl3945_addsta_cmd sta; 556 struct iwl_tid_data tid[MAX_TID_COUNT]; 557 u8 used; 558 u8 ps_status; 559 struct iwl_hw_key keyinfo; 560}; 561 562struct iwl_station_entry { 563 struct iwl_addsta_cmd sta; 564 struct iwl_tid_data tid[MAX_TID_COUNT]; 565 u8 used; 566 u8 ps_status; 567 struct iwl_hw_key keyinfo; 568}; 569 570/* one for each uCode image (inst/data, boot/init/runtime) */ 571struct fw_desc { 572 void *v_addr; /* access by driver */ 573 dma_addr_t p_addr; /* access by card's busmaster DMA */ 574 u32 len; /* bytes */ 575}; 576 577/* uCode file layout */ 578struct iwl_ucode_header { 579 __le32 ver; /* major/minor/API/serial */ 580 union { 581 struct { 582 __le32 inst_size; /* bytes of runtime code */ 583 __le32 data_size; /* bytes of runtime data */ 584 __le32 init_size; /* bytes of init code */ 585 __le32 init_data_size; /* bytes of init data */ 586 __le32 boot_size; /* bytes of bootstrap code */ 587 u8 data[0]; /* in same order as sizes */ 588 } v1; 589 struct { 590 __le32 build; /* build number */ 591 __le32 inst_size; /* bytes of runtime code */ 592 __le32 data_size; /* bytes of runtime data */ 593 __le32 init_size; /* bytes of init code */ 594 __le32 init_data_size; /* bytes of init data */ 595 __le32 boot_size; /* bytes of bootstrap code */ 596 u8 data[0]; /* in same order as sizes */ 597 } v2; 598 } u; 599}; 600#define UCODE_HEADER_SIZE(ver) ((ver) == 1 ? 24 : 28) 601 602struct iwl4965_ibss_seq { 603 u8 mac[ETH_ALEN]; 604 u16 seq_num; 605 u16 frag_num; 606 unsigned long packet_time; 607 struct list_head list; 608}; 609 610struct iwl_sensitivity_ranges { 611 u16 min_nrg_cck; 612 u16 max_nrg_cck; 613 614 u16 nrg_th_cck; 615 u16 nrg_th_ofdm; 616 617 u16 auto_corr_min_ofdm; 618 u16 auto_corr_min_ofdm_mrc; 619 u16 auto_corr_min_ofdm_x1; 620 u16 auto_corr_min_ofdm_mrc_x1; 621 622 u16 auto_corr_max_ofdm; 623 u16 auto_corr_max_ofdm_mrc; 624 u16 auto_corr_max_ofdm_x1; 625 u16 auto_corr_max_ofdm_mrc_x1; 626 627 u16 auto_corr_max_cck; 628 u16 auto_corr_max_cck_mrc; 629 u16 auto_corr_min_cck; 630 u16 auto_corr_min_cck_mrc; 631}; 632 633 634#define KELVIN_TO_CELSIUS(x) ((x)-273) 635#define CELSIUS_TO_KELVIN(x) ((x)+273) 636 637 638/** 639 * struct iwl_hw_params 640 * @max_txq_num: Max # Tx queues supported 641 * @dma_chnl_num: Number of Tx DMA/FIFO channels 642 * @scd_bc_tbls_size: size of scheduler byte count tables 643 * @tfd_size: TFD size 644 * @tx/rx_chains_num: Number of TX/RX chains 645 * @valid_tx/rx_ant: usable antennas 646 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 647 * @max_rxq_log: Log-base-2 of max_rxq_size 648 * @rx_buf_size: Rx buffer size 649 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 650 * @max_stations: 651 * @bcast_sta_id: 652 * @ht40_channel: is 40MHz width possible in band 2.4 653 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 654 * @sw_crypto: 0 for hw, 1 for sw 655 * @max_xxx_size: for ucode uses 656 * @ct_kill_threshold: temperature threshold 657 * @calib_init_cfg: setup initial calibrations for the hw 658 * @struct iwl_sensitivity_ranges: range of sensitivity values 659 */ 660struct iwl_hw_params { 661 u8 max_txq_num; 662 u8 dma_chnl_num; 663 u16 scd_bc_tbls_size; 664 u32 tfd_size; 665 u8 tx_chains_num; 666 u8 rx_chains_num; 667 u8 valid_tx_ant; 668 u8 valid_rx_ant; 669 u16 max_rxq_size; 670 u16 max_rxq_log; 671 u32 rx_buf_size; 672 u32 rx_wrt_ptr_reg; 673 u32 max_pkt_size; 674 u8 max_stations; 675 u8 bcast_sta_id; 676 u8 ht40_channel; 677 u8 max_beacon_itrvl; /* in 1024 ms */ 678 u32 max_inst_size; 679 u32 max_data_size; 680 u32 max_bsm_size; 681 u32 ct_kill_threshold; /* value in hw-dependent units */ 682 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 683 /* for 1000, 6000 series and up */ 684 u32 calib_init_cfg; 685 const struct iwl_sensitivity_ranges *sens; 686}; 687 688 689/****************************************************************************** 690 * 691 * Functions implemented in core module which are forward declared here 692 * for use by iwl-[4-5].c 693 * 694 * NOTE: The implementation of these functions are not hardware specific 695 * which is why they are in the core module files. 696 * 697 * Naming convention -- 698 * iwl_ <-- Is part of iwlwifi 699 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 700 * iwl4965_bg_ <-- Called from work queue context 701 * iwl4965_mac_ <-- mac80211 callback 702 * 703 ****************************************************************************/ 704extern void iwl_update_chain_flags(struct iwl_priv *priv); 705extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 706extern const u8 iwl_bcast_addr[ETH_ALEN]; 707extern int iwl_rxq_stop(struct iwl_priv *priv); 708extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 709extern int iwl_queue_space(const struct iwl_queue *q); 710static inline int iwl_queue_used(const struct iwl_queue *q, int i) 711{ 712 return q->write_ptr > q->read_ptr ? 713 (i >= q->read_ptr && i < q->write_ptr) : 714 !(i < q->read_ptr && i >= q->write_ptr); 715} 716 717 718static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 719{ 720 /* This is for scan command, the big buffer at end of command array */ 721 if (is_huge) 722 return q->n_window; /* must be power of 2 */ 723 724 /* Otherwise, use normal size buffers */ 725 return index & (q->n_window - 1); 726} 727 728 729struct iwl_dma_ptr { 730 dma_addr_t dma; 731 void *addr; 732 size_t size; 733}; 734 735#define HT_SHORT_GI_20MHZ (1 << 0) 736#define HT_SHORT_GI_40MHZ (1 << 1) 737 738#define IWL_CHANNEL_WIDTH_20MHZ 0 739#define IWL_CHANNEL_WIDTH_40MHZ 1 740 741#define IWL_OPERATION_MODE_AUTO 0 742#define IWL_OPERATION_MODE_HT_ONLY 1 743#define IWL_OPERATION_MODE_MIXED 2 744#define IWL_OPERATION_MODE_20MHZ 3 745 746#define IWL_TX_CRC_SIZE 4 747#define IWL_TX_DELIMITER_SIZE 4 748 749#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 750 751/* Sensitivity and chain noise calibration */ 752#define INITIALIZATION_VALUE 0xFFFF 753#define CAL_NUM_OF_BEACONS 20 754#define MAXIMUM_ALLOWED_PATHLOSS 15 755 756#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 757 758#define MAX_FA_OFDM 50 759#define MIN_FA_OFDM 5 760#define MAX_FA_CCK 50 761#define MIN_FA_CCK 5 762 763#define AUTO_CORR_STEP_OFDM 1 764 765#define AUTO_CORR_STEP_CCK 3 766#define AUTO_CORR_MAX_TH_CCK 160 767 768#define NRG_DIFF 2 769#define NRG_STEP_CCK 2 770#define NRG_MARGIN 8 771#define MAX_NUMBER_CCK_NO_FA 100 772 773#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 774 775#define CHAIN_A 0 776#define CHAIN_B 1 777#define CHAIN_C 2 778#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 779#define ALL_BAND_FILTER 0xFF00 780#define IN_BAND_FILTER 0xFF 781#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 782 783#define NRG_NUM_PREV_STAT_L 20 784#define NUM_RX_CHAINS 3 785 786enum iwl4965_false_alarm_state { 787 IWL_FA_TOO_MANY = 0, 788 IWL_FA_TOO_FEW = 1, 789 IWL_FA_GOOD_RANGE = 2, 790}; 791 792enum iwl4965_chain_noise_state { 793 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 794 IWL_CHAIN_NOISE_ACCUMULATE, 795 IWL_CHAIN_NOISE_CALIBRATED, 796 IWL_CHAIN_NOISE_DONE, 797}; 798 799enum iwl4965_calib_enabled_state { 800 IWL_CALIB_DISABLED = 0, /* must be 0 */ 801 IWL_CALIB_ENABLED = 1, 802}; 803 804 805/* 806 * enum iwl_calib 807 * defines the order in which results of initial calibrations 808 * should be sent to the runtime uCode 809 */ 810enum iwl_calib { 811 IWL_CALIB_XTAL, 812 IWL_CALIB_DC, 813 IWL_CALIB_LO, 814 IWL_CALIB_TX_IQ, 815 IWL_CALIB_TX_IQ_PERD, 816 IWL_CALIB_BASE_BAND, 817 IWL_CALIB_MAX 818}; 819 820/* Opaque calibration results */ 821struct iwl_calib_result { 822 void *buf; 823 size_t buf_len; 824}; 825 826enum ucode_type { 827 UCODE_NONE = 0, 828 UCODE_INIT, 829 UCODE_RT 830}; 831 832/* Sensitivity calib data */ 833struct iwl_sensitivity_data { 834 u32 auto_corr_ofdm; 835 u32 auto_corr_ofdm_mrc; 836 u32 auto_corr_ofdm_x1; 837 u32 auto_corr_ofdm_mrc_x1; 838 u32 auto_corr_cck; 839 u32 auto_corr_cck_mrc; 840 841 u32 last_bad_plcp_cnt_ofdm; 842 u32 last_fa_cnt_ofdm; 843 u32 last_bad_plcp_cnt_cck; 844 u32 last_fa_cnt_cck; 845 846 u32 nrg_curr_state; 847 u32 nrg_prev_state; 848 u32 nrg_value[10]; 849 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 850 u32 nrg_silence_ref; 851 u32 nrg_energy_idx; 852 u32 nrg_silence_idx; 853 u32 nrg_th_cck; 854 s32 nrg_auto_corr_silence_diff; 855 u32 num_in_cck_no_fa; 856 u32 nrg_th_ofdm; 857}; 858 859/* Chain noise (differential Rx gain) calib data */ 860struct iwl_chain_noise_data { 861 u32 active_chains; 862 u32 chain_noise_a; 863 u32 chain_noise_b; 864 u32 chain_noise_c; 865 u32 chain_signal_a; 866 u32 chain_signal_b; 867 u32 chain_signal_c; 868 u16 beacon_count; 869 u8 disconn_array[NUM_RX_CHAINS]; 870 u8 delta_gain_code[NUM_RX_CHAINS]; 871 u8 radio_write; 872 u8 state; 873}; 874 875#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 876#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 877 878#define IWL_TRAFFIC_ENTRIES (256) 879#define IWL_TRAFFIC_ENTRY_SIZE (64) 880 881enum { 882 MEASUREMENT_READY = (1 << 0), 883 MEASUREMENT_ACTIVE = (1 << 1), 884}; 885 886enum iwl_nvm_type { 887 NVM_DEVICE_TYPE_EEPROM = 0, 888 NVM_DEVICE_TYPE_OTP, 889}; 890 891 892/** 893 * enum iwl_pa_type - Power Amplifier type 894 * @IWL_PA_SYSTEM: based on uCode configuration 895 * @IWL_PA_HYBRID: use both Internal and external PA 896 * @IWL_PA_INTERNAL: use Internal only 897 */ 898enum iwl_pa_type { 899 IWL_PA_SYSTEM = 0, 900 IWL_PA_HYBRID = 1, 901 IWL_PA_INTERNAL = 2, 902}; 903 904/* interrupt statistics */ 905struct isr_statistics { 906 u32 hw; 907 u32 sw; 908 u32 sw_err; 909 u32 sch; 910 u32 alive; 911 u32 rfkill; 912 u32 ctkill; 913 u32 wakeup; 914 u32 rx; 915 u32 rx_handlers[REPLY_MAX]; 916 u32 tx; 917 u32 unhandled; 918}; 919 920#ifdef CONFIG_IWLWIFI_DEBUGFS 921/* management statistics */ 922enum iwl_mgmt_stats { 923 MANAGEMENT_ASSOC_REQ = 0, 924 MANAGEMENT_ASSOC_RESP, 925 MANAGEMENT_REASSOC_REQ, 926 MANAGEMENT_REASSOC_RESP, 927 MANAGEMENT_PROBE_REQ, 928 MANAGEMENT_PROBE_RESP, 929 MANAGEMENT_BEACON, 930 MANAGEMENT_ATIM, 931 MANAGEMENT_DISASSOC, 932 MANAGEMENT_AUTH, 933 MANAGEMENT_DEAUTH, 934 MANAGEMENT_ACTION, 935 MANAGEMENT_MAX, 936}; 937/* control statistics */ 938enum iwl_ctrl_stats { 939 CONTROL_BACK_REQ = 0, 940 CONTROL_BACK, 941 CONTROL_PSPOLL, 942 CONTROL_RTS, 943 CONTROL_CTS, 944 CONTROL_ACK, 945 CONTROL_CFEND, 946 CONTROL_CFENDACK, 947 CONTROL_MAX, 948}; 949 950struct traffic_stats { 951 u32 mgmt[MANAGEMENT_MAX]; 952 u32 ctrl[CONTROL_MAX]; 953 u32 data_cnt; 954 u64 data_bytes; 955}; 956#else 957struct traffic_stats { 958 u64 data_bytes; 959}; 960#endif 961 962#define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */ 963 964struct iwl_priv { 965 966 /* ieee device used by generic ieee processing code */ 967 struct ieee80211_hw *hw; 968 struct ieee80211_channel *ieee_channels; 969 struct ieee80211_rate *ieee_rates; 970 struct iwl_cfg *cfg; 971 972 /* temporary frame storage list */ 973 struct list_head free_frames; 974 int frames_count; 975 976 enum ieee80211_band band; 977 int alloc_rxb_skb; 978 979 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 980 struct iwl_rx_mem_buffer *rxb); 981 982 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 983 984#if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT) 985 /* spectrum measurement report caching */ 986 struct iwl_spectrum_notification measure_report; 987 u8 measurement_status; 988#endif 989 /* ucode beacon time */ 990 u32 ucode_beacon_time; 991 992 /* we allocate array of iwl4965_channel_info for NIC's valid channels. 993 * Access via channel # using indirect index array */ 994 struct iwl_channel_info *channel_info; /* channel info array */ 995 u8 channel_count; /* # of channels */ 996 997 /* each calibration channel group in the EEPROM has a derived 998 * clip setting for each rate. 3945 only.*/ 999 const struct iwl3945_clip_group clip39_groups[5]; 1000 1001 /* thermal calibration */ 1002 s32 temperature; /* degrees Kelvin */ 1003 s32 last_temperature; 1004 1005 /* init calibration results */ 1006 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1007 1008 /* Scan related variables */ 1009 unsigned long last_scan_jiffies; 1010 unsigned long next_scan_jiffies; 1011 unsigned long scan_start; 1012 unsigned long scan_pass_start; 1013 unsigned long scan_start_tsf; 1014 void *scan; 1015 int scan_bands; 1016 struct cfg80211_scan_request *scan_request; 1017 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1018 u8 mgmt_tx_ant; 1019 1020 /* spinlock */ 1021 spinlock_t lock; /* protect general shared data */ 1022 spinlock_t hcmd_lock; /* protect hcmd */ 1023 spinlock_t reg_lock; /* protect hw register access */ 1024 struct mutex mutex; 1025 1026 /* basic pci-network driver stuff */ 1027 struct pci_dev *pci_dev; 1028 1029 /* pci hardware address support */ 1030 void __iomem *hw_base; 1031 u32 hw_rev; 1032 u32 hw_wa_rev; 1033 u8 rev_id; 1034 1035 /* uCode images, save to reload in case of failure */ 1036 u32 ucode_ver; /* version of ucode, copy of 1037 iwl_ucode.ver */ 1038 struct fw_desc ucode_code; /* runtime inst */ 1039 struct fw_desc ucode_data; /* runtime data original */ 1040 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1041 struct fw_desc ucode_init; /* initialization inst */ 1042 struct fw_desc ucode_init_data; /* initialization data */ 1043 struct fw_desc ucode_boot; /* bootstrap inst */ 1044 enum ucode_type ucode_type; 1045 u8 ucode_write_complete; /* the image write is complete */ 1046 1047 1048 struct iwl_rxon_time_cmd rxon_timing; 1049 1050 /* We declare this const so it can only be 1051 * changed via explicit cast within the 1052 * routines that actually update the physical 1053 * hardware */ 1054 const struct iwl_rxon_cmd active_rxon; 1055 struct iwl_rxon_cmd staging_rxon; 1056 1057 struct iwl_rxon_cmd recovery_rxon; 1058 1059 /* 1st responses from initialize and runtime uCode images. 1060 * 4965's initialize alive response contains some calibration data. */ 1061 struct iwl_init_alive_resp card_alive_init; 1062 struct iwl_alive_resp card_alive; 1063 1064#ifdef CONFIG_IWLWIFI_LEDS 1065 unsigned long last_blink_time; 1066 u8 last_blink_rate; 1067 u8 allow_blinking; 1068 u64 led_tpt; 1069 struct iwl_led led[IWL_LED_TRG_MAX]; 1070 unsigned int rxtxpackets; 1071#endif 1072 u16 active_rate; 1073 u16 active_rate_basic; 1074 1075 u8 assoc_station_added; 1076 u8 start_calib; 1077 struct iwl_sensitivity_data sensitivity_data; 1078 struct iwl_chain_noise_data chain_noise_data; 1079 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1080 1081 struct iwl_ht_info current_ht_config; 1082 u8 last_phy_res[100]; 1083 1084 /* Rate scaling data */ 1085 s8 data_retry_limit; 1086 u8 retry_rate; 1087 1088 wait_queue_head_t wait_command_queue; 1089 1090 int activity_timer_active; 1091 1092 /* Rx and Tx DMA processing queues */ 1093 struct iwl_rx_queue rxq; 1094 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES]; 1095 unsigned long txq_ctx_active_msk; 1096 struct iwl_dma_ptr kw; /* keep warm address */ 1097 struct iwl_dma_ptr scd_bc_tbls; 1098 1099 u32 scd_base_addr; /* scheduler sram base address */ 1100 1101 unsigned long status; 1102 1103 int last_rx_rssi; /* From Rx packet statistics */ 1104 int last_rx_noise; /* From beacon statistics */ 1105 1106 /* counts mgmt, ctl, and data packets */ 1107 struct traffic_stats tx_stats; 1108 struct traffic_stats rx_stats; 1109 1110 /* counts interrupts */ 1111 struct isr_statistics isr_stats; 1112 1113 struct iwl_power_mgr power_data; 1114 1115 struct iwl_notif_statistics statistics; 1116 unsigned long last_statistics_time; 1117 1118 /* context information */ 1119 u16 rates_mask; 1120 1121 u32 power_mode; 1122 u8 bssid[ETH_ALEN]; 1123 u16 rts_threshold; 1124 u8 mac_addr[ETH_ALEN]; 1125 1126 /*station table variables */ 1127 spinlock_t sta_lock; 1128 int num_stations; 1129 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1130 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1131 u8 default_wep_key; 1132 u8 key_mapping_key; 1133 unsigned long ucode_key_table; 1134 1135 /* queue refcounts */ 1136#define IWL_MAX_HW_QUEUES 32 1137 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1138 /* for each AC */ 1139 atomic_t queue_stop_count[4]; 1140 1141 /* Indication if ieee80211_ops->open has been called */ 1142 u8 is_open; 1143 1144 u8 mac80211_registered; 1145 1146 /* Rx'd packet timing information */ 1147 u32 last_beacon_time; 1148 u64 last_tsf; 1149 1150 /* eeprom */ 1151 u8 *eeprom; 1152 int nvm_device_type; 1153 struct iwl_eeprom_calib_info *calib_info; 1154 1155 enum nl80211_iftype iw_mode; 1156 1157 struct sk_buff *ibss_beacon; 1158 1159 /* Last Rx'd beacon timestamp */ 1160 u64 timestamp; 1161 u16 beacon_int; 1162 struct ieee80211_vif *vif; 1163 1164 /*Added for 3945 */ 1165 void *shared_virt; 1166 dma_addr_t shared_phys; 1167 /*End*/ 1168 struct iwl_hw_params hw_params; 1169 1170 /* INT ICT Table */ 1171 u32 *ict_tbl; 1172 dma_addr_t ict_tbl_dma; 1173 dma_addr_t aligned_ict_tbl_dma; 1174 int ict_index; 1175 void *ict_tbl_vir; 1176 u32 inta; 1177 bool use_ict; 1178 1179 u32 inta_mask; 1180 /* Current association information needed to configure the 1181 * hardware */ 1182 u16 assoc_id; 1183 u16 assoc_capability; 1184 1185 struct iwl_qos_info qos_data; 1186 1187 struct workqueue_struct *workqueue; 1188 1189 struct work_struct up; 1190 struct work_struct restart; 1191 struct work_struct calibrated_work; 1192 struct work_struct scan_completed; 1193 struct work_struct rx_replenish; 1194 struct work_struct abort_scan; 1195 struct work_struct update_link_led; 1196 struct work_struct auth_work; 1197 struct work_struct report_work; 1198 struct work_struct request_scan; 1199 struct work_struct beacon_update; 1200 1201 struct tasklet_struct irq_tasklet; 1202 1203 struct delayed_work init_alive_start; 1204 struct delayed_work alive_start; 1205 struct delayed_work scan_check; 1206 1207 /*For 3945 only*/ 1208 struct delayed_work thermal_periodic; 1209 struct delayed_work rfkill_poll; 1210 1211 /* TX Power */ 1212 s8 tx_power_user_lmt; 1213 s8 tx_power_channel_lmt; 1214 1215 1216#ifdef CONFIG_IWLWIFI_DEBUG 1217 /* debugging info */ 1218 u32 debug_level; /* per device debugging will override global 1219 iwl_debug_level if set */ 1220 u32 framecnt_to_us; 1221 atomic_t restrict_refcnt; 1222 bool disable_ht40; 1223#ifdef CONFIG_IWLWIFI_DEBUGFS 1224 /* debugfs */ 1225 u16 tx_traffic_idx; 1226 u16 rx_traffic_idx; 1227 u8 *tx_traffic; 1228 u8 *rx_traffic; 1229 struct iwl_debugfs *dbgfs; 1230#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1231#endif /* CONFIG_IWLWIFI_DEBUG */ 1232 1233 struct work_struct txpower_work; 1234 u32 disable_sens_cal; 1235 u32 disable_chain_noise_cal; 1236 u32 disable_tx_power_cal; 1237 struct work_struct run_time_calib_work; 1238 struct timer_list statistics_periodic; 1239 bool hw_ready; 1240 /*For 3945*/ 1241#define IWL_DEFAULT_TX_POWER 0x0F 1242 1243 struct iwl3945_notif_statistics statistics_39; 1244 1245 u32 sta_supp_rates; 1246}; /*iwl_priv */ 1247 1248static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1249{ 1250 set_bit(txq_id, &priv->txq_ctx_active_msk); 1251} 1252 1253static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1254{ 1255 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1256} 1257 1258#ifdef CONFIG_IWLWIFI_DEBUG 1259const char *iwl_get_tx_fail_reason(u32 status); 1260/* 1261 * iwl_get_debug_level: Return active debug level for device 1262 * 1263 * Using sysfs it is possible to set per device debug level. This debug 1264 * level will be used if set, otherwise the global debug level which can be 1265 * set via module parameter is used. 1266 */ 1267static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1268{ 1269 if (priv->debug_level) 1270 return priv->debug_level; 1271 else 1272 return iwl_debug_level; 1273} 1274#else 1275static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 1276 1277static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1278{ 1279 return iwl_debug_level; 1280} 1281#endif 1282 1283 1284static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1285 int txq_id, int idx) 1286{ 1287 if (priv->txq[txq_id].txb[idx].skb[0]) 1288 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1289 txb[idx].skb[0]->data; 1290 return NULL; 1291} 1292 1293 1294static inline int iwl_is_associated(struct iwl_priv *priv) 1295{ 1296 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1297} 1298 1299static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1300{ 1301 if (ch_info == NULL) 1302 return 0; 1303 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1304} 1305 1306static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1307{ 1308 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1309} 1310 1311static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1312{ 1313 return ch_info->band == IEEE80211_BAND_5GHZ; 1314} 1315 1316static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1317{ 1318 return ch_info->band == IEEE80211_BAND_2GHZ; 1319} 1320 1321static inline int is_channel_passive(const struct iwl_channel_info *ch) 1322{ 1323 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1324} 1325 1326static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1327{ 1328 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1329} 1330 1331#endif /* __iwl_dev_h__ */ 1332