iwl-dev.h revision 1db5950f1d0b82e07371b211a48317b8972da063
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2010 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_bgn_cfg; 56extern struct iwl_cfg iwl5100_abg_cfg; 57extern struct iwl_cfg iwl5150_agn_cfg; 58extern struct iwl_cfg iwl5150_abg_cfg; 59extern struct iwl_cfg iwl6000i_2agn_cfg; 60extern struct iwl_cfg iwl6000i_2abg_cfg; 61extern struct iwl_cfg iwl6000i_2bg_cfg; 62extern struct iwl_cfg iwl6000_3agn_cfg; 63extern struct iwl_cfg iwl6050_2agn_cfg; 64extern struct iwl_cfg iwl6050_2abg_cfg; 65extern struct iwl_cfg iwl1000_bgn_cfg; 66extern struct iwl_cfg iwl1000_bg_cfg; 67 68struct iwl_tx_queue; 69 70/* shared structures from iwl-5000.c */ 71extern struct iwl_mod_params iwl50_mod_params; 72extern struct iwl_ucode_ops iwl5000_ucode; 73extern struct iwl_lib_ops iwl5000_lib; 74extern struct iwl_hcmd_ops iwl5000_hcmd; 75extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils; 76 77/* shared functions from iwl-5000.c */ 78extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len); 79extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, 80 u8 *data); 81extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info, 82 __le32 *tx_flags); 83extern int iwl5000_calc_rssi(struct iwl_priv *priv, 84 struct iwl_rx_phy_res *rx_resp); 85extern void iwl5000_nic_config(struct iwl_priv *priv); 86extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv); 87extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv, 88 size_t offset); 89extern void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv, 90 struct iwl_tx_queue *txq, 91 u16 byte_cnt); 92extern void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, 93 struct iwl_tx_queue *txq); 94extern int iwl5000_load_ucode(struct iwl_priv *priv); 95extern void iwl5000_init_alive_start(struct iwl_priv *priv); 96extern int iwl5000_alive_notify(struct iwl_priv *priv); 97extern int iwl5000_hw_set_hw_params(struct iwl_priv *priv); 98extern int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id, 99 int tx_fifo, int sta_id, int tid, u16 ssn_idx); 100extern int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, 101 u16 ssn_idx, u8 tx_fifo); 102extern void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask); 103extern void iwl5000_setup_deferred_work(struct iwl_priv *priv); 104extern void iwl5000_rx_handler_setup(struct iwl_priv *priv); 105extern int iwl5000_hw_valid_rtc_data_addr(u32 addr); 106extern int iwl5000_send_tx_power(struct iwl_priv *priv); 107extern void iwl5000_temperature(struct iwl_priv *priv); 108 109/* CT-KILL constants */ 110#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 111#define CT_KILL_THRESHOLD 114 /* in Celsius */ 112#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 113 114/* Default noise level to report when noise measurement is not available. 115 * This may be because we're: 116 * 1) Not associated (4965, no beacon statistics being sent to driver) 117 * 2) Scanning (noise measurement does not apply to associated channel) 118 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 119 * Use default noise value of -127 ... this is below the range of measurable 120 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 121 * Also, -127 works better than 0 when averaging frames with/without 122 * noise info (e.g. averaging might be done in app); measured dBm values are 123 * always negative ... using a negative value as the default keeps all 124 * averages within an s8's (used in some apps) range of negative values. */ 125#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 126 127/* 128 * RTS threshold here is total size [2347] minus 4 FCS bytes 129 * Per spec: 130 * a value of 0 means RTS on all data/management packets 131 * a value > max MSDU size means no RTS 132 * else RTS for data/management frames where MPDU is larger 133 * than RTS value. 134 */ 135#define DEFAULT_RTS_THRESHOLD 2347U 136#define MIN_RTS_THRESHOLD 0U 137#define MAX_RTS_THRESHOLD 2347U 138#define MAX_MSDU_SIZE 2304U 139#define MAX_MPDU_SIZE 2346U 140#define DEFAULT_BEACON_INTERVAL 100U 141#define DEFAULT_SHORT_RETRY_LIMIT 7U 142#define DEFAULT_LONG_RETRY_LIMIT 4U 143 144struct iwl_rx_mem_buffer { 145 dma_addr_t page_dma; 146 struct page *page; 147 struct list_head list; 148}; 149 150#define rxb_addr(r) page_address(r->page) 151 152/* defined below */ 153struct iwl_device_cmd; 154 155struct iwl_cmd_meta { 156 /* only for SYNC commands, iff the reply skb is wanted */ 157 struct iwl_host_cmd *source; 158 /* 159 * only for ASYNC commands 160 * (which is somewhat stupid -- look at iwl-sta.c for instance 161 * which duplicates a bunch of code because the callback isn't 162 * invoked for SYNC commands, if it were and its result passed 163 * through it would be simpler...) 164 */ 165 void (*callback)(struct iwl_priv *priv, 166 struct iwl_device_cmd *cmd, 167 struct iwl_rx_packet *pkt); 168 169 /* The CMD_SIZE_HUGE flag bit indicates that the command 170 * structure is stored at the end of the shared queue memory. */ 171 u32 flags; 172 173 DECLARE_PCI_UNMAP_ADDR(mapping) 174 DECLARE_PCI_UNMAP_LEN(len) 175}; 176 177/* 178 * Generic queue structure 179 * 180 * Contains common data for Rx and Tx queues 181 */ 182struct iwl_queue { 183 int n_bd; /* number of BDs in this queue */ 184 int write_ptr; /* 1-st empty entry (index) host_w*/ 185 int read_ptr; /* last used entry (index) host_r*/ 186 dma_addr_t dma_addr; /* physical addr for BD's */ 187 int n_window; /* safe queue window */ 188 u32 id; 189 int low_mark; /* low watermark, resume queue if free 190 * space more than this */ 191 int high_mark; /* high watermark, stop queue if free 192 * space less than this */ 193} __attribute__ ((packed)); 194 195/* One for each TFD */ 196struct iwl_tx_info { 197 struct sk_buff *skb[IWL_NUM_OF_TBS - 1]; 198}; 199 200/** 201 * struct iwl_tx_queue - Tx Queue for DMA 202 * @q: generic Rx/Tx queue descriptor 203 * @bd: base of circular buffer of TFDs 204 * @cmd: array of command/TX buffer pointers 205 * @meta: array of meta data for each command/tx buffer 206 * @dma_addr_cmd: physical address of cmd/tx buffer array 207 * @txb: array of per-TFD driver data 208 * @need_update: indicates need to update read/write index 209 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 210 * 211 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 212 * descriptors) and required locking structures. 213 */ 214#define TFD_TX_CMD_SLOTS 256 215#define TFD_CMD_SLOTS 32 216 217struct iwl_tx_queue { 218 struct iwl_queue q; 219 void *tfds; 220 struct iwl_device_cmd **cmd; 221 struct iwl_cmd_meta *meta; 222 struct iwl_tx_info *txb; 223 u8 need_update; 224 u8 sched_retry; 225 u8 active; 226 u8 swq_id; 227}; 228 229#define IWL_NUM_SCAN_RATES (2) 230 231struct iwl4965_channel_tgd_info { 232 u8 type; 233 s8 max_power; 234}; 235 236struct iwl4965_channel_tgh_info { 237 s64 last_radar_time; 238}; 239 240#define IWL4965_MAX_RATE (33) 241 242struct iwl3945_clip_group { 243 /* maximum power level to prevent clipping for each rate, derived by 244 * us from this band's saturation power in EEPROM */ 245 const s8 clip_powers[IWL_MAX_RATES]; 246}; 247 248/* current Tx power values to use, one for each rate for each channel. 249 * requested power is limited by: 250 * -- regulatory EEPROM limits for this channel 251 * -- hardware capabilities (clip-powers) 252 * -- spectrum management 253 * -- user preference (e.g. iwconfig) 254 * when requested power is set, base power index must also be set. */ 255struct iwl3945_channel_power_info { 256 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 257 s8 power_table_index; /* actual (compenst'd) index into gain table */ 258 s8 base_power_index; /* gain index for power at factory temp. */ 259 s8 requested_power; /* power (dBm) requested for this chnl/rate */ 260}; 261 262/* current scan Tx power values to use, one for each scan rate for each 263 * channel. */ 264struct iwl3945_scan_power_info { 265 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ 266 s8 power_table_index; /* actual (compenst'd) index into gain table */ 267 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ 268}; 269 270/* 271 * One for each channel, holds all channel setup data 272 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 273 * with one another! 274 */ 275struct iwl_channel_info { 276 struct iwl4965_channel_tgd_info tgd; 277 struct iwl4965_channel_tgh_info tgh; 278 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 279 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 280 * HT40 channel */ 281 282 u8 channel; /* channel number */ 283 u8 flags; /* flags copied from EEPROM */ 284 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 285 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 286 s8 min_power; /* always 0 */ 287 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 288 289 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 290 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 291 enum ieee80211_band band; 292 293 /* HT40 channel info */ 294 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 295 u8 ht40_flags; /* flags copied from EEPROM */ 296 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 297 298 /* Radio/DSP gain settings for each "normal" data Tx rate. 299 * These include, in addition to RF and DSP gain, a few fields for 300 * remembering/modifying gain settings (indexes). */ 301 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; 302 303 /* Radio/DSP gain settings for each scan rate, for directed scans. */ 304 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; 305}; 306 307#define IWL_TX_FIFO_AC0 0 308#define IWL_TX_FIFO_AC1 1 309#define IWL_TX_FIFO_AC2 2 310#define IWL_TX_FIFO_AC3 3 311#define IWL_TX_FIFO_HCCA_1 5 312#define IWL_TX_FIFO_HCCA_2 6 313#define IWL_TX_FIFO_NONE 7 314 315/* Minimum number of queues. MAX_NUM is defined in hw specific files. 316 * Set the minimum to accommodate the 4 standard TX queues, 1 command 317 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 318#define IWL_MIN_NUM_QUEUES 10 319 320/* 321 * Queue #4 is the command queue for 3945/4965/5x00/1000/6x00, 322 * the driver maps it into the appropriate device FIFO for the 323 * uCode. 324 */ 325#define IWL_CMD_QUEUE_NUM 4 326 327/* Power management (not Tx power) structures */ 328 329enum iwl_pwr_src { 330 IWL_PWR_SRC_VMAIN, 331 IWL_PWR_SRC_VAUX, 332}; 333 334#define IEEE80211_DATA_LEN 2304 335#define IEEE80211_4ADDR_LEN 30 336#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 337#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 338 339struct iwl_frame { 340 union { 341 struct ieee80211_hdr frame; 342 struct iwl_tx_beacon_cmd beacon; 343 u8 raw[IEEE80211_FRAME_LEN]; 344 u8 cmd[360]; 345 } u; 346 struct list_head list; 347}; 348 349#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 350#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 351#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 352 353enum { 354 CMD_SYNC = 0, 355 CMD_SIZE_NORMAL = 0, 356 CMD_NO_SKB = 0, 357 CMD_SIZE_HUGE = (1 << 0), 358 CMD_ASYNC = (1 << 1), 359 CMD_WANT_SKB = (1 << 2), 360}; 361 362#define DEF_CMD_PAYLOAD_SIZE 320 363 364/* 365 * IWL_LINK_HDR_MAX should include ieee80211_hdr, radiotap header, 366 * SNAP header and alignment. It should also be big enough for 802.11 367 * control frames. 368 */ 369#define IWL_LINK_HDR_MAX 64 370 371/** 372 * struct iwl_device_cmd 373 * 374 * For allocation of the command and tx queues, this establishes the overall 375 * size of the largest command we send to uCode, except for a scan command 376 * (which is relatively huge; space is allocated separately). 377 */ 378struct iwl_device_cmd { 379 struct iwl_cmd_header hdr; /* uCode API */ 380 union { 381 u32 flags; 382 u8 val8; 383 u16 val16; 384 u32 val32; 385 struct iwl_tx_cmd tx; 386 struct iwl6000_channel_switch_cmd chswitch; 387 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 388 } __attribute__ ((packed)) cmd; 389} __attribute__ ((packed)); 390 391#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 392 393 394struct iwl_host_cmd { 395 const void *data; 396 unsigned long reply_page; 397 void (*callback)(struct iwl_priv *priv, 398 struct iwl_device_cmd *cmd, 399 struct iwl_rx_packet *pkt); 400 u32 flags; 401 u16 len; 402 u8 id; 403}; 404 405#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 406#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 407#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 408 409/** 410 * struct iwl_rx_queue - Rx queue 411 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 412 * @dma_addr: bus address of buffer of receive buffer descriptors (rbd) 413 * @read: Shared index to newest available Rx buffer 414 * @write: Shared index to oldest written Rx packet 415 * @free_count: Number of pre-allocated buffers in rx_free 416 * @rx_free: list of free SKBs for use 417 * @rx_used: List of Rx buffers with no SKB 418 * @need_update: flag to indicate we need to update read/write index 419 * @rb_stts: driver's pointer to receive buffer status 420 * @rb_stts_dma: bus address of receive buffer status 421 * 422 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 423 */ 424struct iwl_rx_queue { 425 __le32 *bd; 426 dma_addr_t dma_addr; 427 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 428 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 429 u32 read; 430 u32 write; 431 u32 free_count; 432 u32 write_actual; 433 struct list_head rx_free; 434 struct list_head rx_used; 435 int need_update; 436 struct iwl_rb_status *rb_stts; 437 dma_addr_t rb_stts_dma; 438 spinlock_t lock; 439}; 440 441#define IWL_SUPPORTED_RATES_IE_LEN 8 442 443#define MAX_TID_COUNT 9 444 445#define IWL_INVALID_RATE 0xFF 446#define IWL_INVALID_VALUE -1 447 448/** 449 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 450 * @txq_id: Tx queue used for Tx attempt 451 * @frame_count: # frames attempted by Tx command 452 * @wait_for_ba: Expect block-ack before next Tx reply 453 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 454 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 455 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 456 * @rate_n_flags: Rate at which Tx was attempted 457 * 458 * If REPLY_TX indicates that aggregation was attempted, driver must wait 459 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 460 * until block ack arrives. 461 */ 462struct iwl_ht_agg { 463 u16 txq_id; 464 u16 frame_count; 465 u16 wait_for_ba; 466 u16 start_idx; 467 u64 bitmap; 468 u32 rate_n_flags; 469#define IWL_AGG_OFF 0 470#define IWL_AGG_ON 1 471#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 472#define IWL_EMPTYING_HW_QUEUE_DELBA 3 473 u8 state; 474}; 475 476 477struct iwl_tid_data { 478 u16 seq_number; 479 u16 tfds_in_queue; 480 struct iwl_ht_agg agg; 481}; 482 483struct iwl_hw_key { 484 enum ieee80211_key_alg alg; 485 int keylen; 486 u8 keyidx; 487 u8 key[32]; 488}; 489 490union iwl_ht_rate_supp { 491 u16 rates; 492 struct { 493 u8 siso_rate; 494 u8 mimo_rate; 495 }; 496}; 497 498#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) 499 500/* 501 * Maximal MPDU density for TX aggregation 502 * 4 - 2us density 503 * 5 - 4us density 504 * 6 - 8us density 505 * 7 - 16us density 506 */ 507#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 508#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 509 510struct iwl_ht_config { 511 /* self configuration data */ 512 bool is_ht; 513 bool is_40mhz; 514 bool single_chain_sufficient; 515 enum ieee80211_smps_mode smps; /* current smps mode */ 516 /* BSS related data */ 517 u8 extension_chan_offset; 518 u8 ht_protection; 519 u8 non_GF_STA_present; 520}; 521 522union iwl_qos_capabity { 523 struct { 524 u8 edca_count:4; /* bit 0-3 */ 525 u8 q_ack:1; /* bit 4 */ 526 u8 queue_request:1; /* bit 5 */ 527 u8 txop_request:1; /* bit 6 */ 528 u8 reserved:1; /* bit 7 */ 529 } q_AP; 530 struct { 531 u8 acvo_APSD:1; /* bit 0 */ 532 u8 acvi_APSD:1; /* bit 1 */ 533 u8 ac_bk_APSD:1; /* bit 2 */ 534 u8 ac_be_APSD:1; /* bit 3 */ 535 u8 q_ack:1; /* bit 4 */ 536 u8 max_len:2; /* bit 5-6 */ 537 u8 more_data_ack:1; /* bit 7 */ 538 } q_STA; 539 u8 val; 540}; 541 542/* QoS structures */ 543struct iwl_qos_info { 544 int qos_active; 545 union iwl_qos_capabity qos_cap; 546 struct iwl_qosparam_cmd def_qos_parm; 547}; 548 549struct iwl_station_entry { 550 struct iwl_addsta_cmd sta; 551 struct iwl_tid_data tid[MAX_TID_COUNT]; 552 u8 used; 553 struct iwl_hw_key keyinfo; 554}; 555 556/* 557 * iwl_station_priv: Driver's private station information 558 * 559 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 560 * in the structure for use by driver. This structure is places in that 561 * space. 562 */ 563struct iwl_station_priv { 564 struct iwl_lq_sta lq_sta; 565 atomic_t pending_frames; 566 bool client; 567 bool asleep; 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 u16 barker_corr_th_min; 633 u16 barker_corr_th_min_mrc; 634 u16 nrg_th_cca; 635}; 636 637 638#define KELVIN_TO_CELSIUS(x) ((x)-273) 639#define CELSIUS_TO_KELVIN(x) ((x)+273) 640 641 642/** 643 * struct iwl_hw_params 644 * @max_txq_num: Max # Tx queues supported 645 * @dma_chnl_num: Number of Tx DMA/FIFO channels 646 * @scd_bc_tbls_size: size of scheduler byte count tables 647 * @tfd_size: TFD size 648 * @tx/rx_chains_num: Number of TX/RX chains 649 * @valid_tx/rx_ant: usable antennas 650 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 651 * @max_rxq_log: Log-base-2 of max_rxq_size 652 * @rx_page_order: Rx buffer page order 653 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 654 * @max_stations: 655 * @bcast_sta_id: 656 * @ht40_channel: is 40MHz width possible in band 2.4 657 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 658 * @sw_crypto: 0 for hw, 1 for sw 659 * @max_xxx_size: for ucode uses 660 * @ct_kill_threshold: temperature threshold 661 * @calib_init_cfg: setup initial calibrations for the hw 662 * @struct iwl_sensitivity_ranges: range of sensitivity values 663 */ 664struct iwl_hw_params { 665 u8 max_txq_num; 666 u8 dma_chnl_num; 667 u16 scd_bc_tbls_size; 668 u32 tfd_size; 669 u8 tx_chains_num; 670 u8 rx_chains_num; 671 u8 valid_tx_ant; 672 u8 valid_rx_ant; 673 u16 max_rxq_size; 674 u16 max_rxq_log; 675 u32 rx_page_order; 676 u32 rx_wrt_ptr_reg; 677 u8 max_stations; 678 u8 bcast_sta_id; 679 u8 ht40_channel; 680 u8 max_beacon_itrvl; /* in 1024 ms */ 681 u32 max_inst_size; 682 u32 max_data_size; 683 u32 max_bsm_size; 684 u32 ct_kill_threshold; /* value in hw-dependent units */ 685 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 686 /* for 1000, 6000 series and up */ 687 u32 calib_init_cfg; 688 const struct iwl_sensitivity_ranges *sens; 689}; 690 691 692/****************************************************************************** 693 * 694 * Functions implemented in core module which are forward declared here 695 * for use by iwl-[4-5].c 696 * 697 * NOTE: The implementation of these functions are not hardware specific 698 * which is why they are in the core module files. 699 * 700 * Naming convention -- 701 * iwl_ <-- Is part of iwlwifi 702 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 703 * iwl4965_bg_ <-- Called from work queue context 704 * iwl4965_mac_ <-- mac80211 callback 705 * 706 ****************************************************************************/ 707extern void iwl_update_chain_flags(struct iwl_priv *priv); 708extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src); 709extern const u8 iwl_bcast_addr[ETH_ALEN]; 710extern int iwl_rxq_stop(struct iwl_priv *priv); 711extern void iwl_txq_ctx_stop(struct iwl_priv *priv); 712extern int iwl_queue_space(const struct iwl_queue *q); 713static inline int iwl_queue_used(const struct iwl_queue *q, int i) 714{ 715 return q->write_ptr >= q->read_ptr ? 716 (i >= q->read_ptr && i < q->write_ptr) : 717 !(i < q->read_ptr && i >= q->write_ptr); 718} 719 720 721static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge) 722{ 723 /* 724 * This is for init calibration result and scan command which 725 * required buffer > TFD_MAX_PAYLOAD_SIZE, 726 * the big buffer at end of command array 727 */ 728 if (is_huge) 729 return q->n_window; /* must be power of 2 */ 730 731 /* Otherwise, use normal size buffers */ 732 return index & (q->n_window - 1); 733} 734 735 736struct iwl_dma_ptr { 737 dma_addr_t dma; 738 void *addr; 739 size_t size; 740}; 741 742#define IWL_OPERATION_MODE_AUTO 0 743#define IWL_OPERATION_MODE_HT_ONLY 1 744#define IWL_OPERATION_MODE_MIXED 2 745#define IWL_OPERATION_MODE_20MHZ 3 746 747#define IWL_TX_CRC_SIZE 4 748#define IWL_TX_DELIMITER_SIZE 4 749 750#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 751 752/* Sensitivity and chain noise calibration */ 753#define INITIALIZATION_VALUE 0xFFFF 754#define IWL4965_CAL_NUM_BEACONS 20 755#define IWL_CAL_NUM_BEACONS 16 756#define MAXIMUM_ALLOWED_PATHLOSS 15 757 758#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 759 760#define MAX_FA_OFDM 50 761#define MIN_FA_OFDM 5 762#define MAX_FA_CCK 50 763#define MIN_FA_CCK 5 764 765#define AUTO_CORR_STEP_OFDM 1 766 767#define AUTO_CORR_STEP_CCK 3 768#define AUTO_CORR_MAX_TH_CCK 160 769 770#define NRG_DIFF 2 771#define NRG_STEP_CCK 2 772#define NRG_MARGIN 8 773#define MAX_NUMBER_CCK_NO_FA 100 774 775#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 776 777#define CHAIN_A 0 778#define CHAIN_B 1 779#define CHAIN_C 2 780#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 781#define ALL_BAND_FILTER 0xFF00 782#define IN_BAND_FILTER 0xFF 783#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 784 785#define NRG_NUM_PREV_STAT_L 20 786#define NUM_RX_CHAINS 3 787 788enum iwl4965_false_alarm_state { 789 IWL_FA_TOO_MANY = 0, 790 IWL_FA_TOO_FEW = 1, 791 IWL_FA_GOOD_RANGE = 2, 792}; 793 794enum iwl4965_chain_noise_state { 795 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 796 IWL_CHAIN_NOISE_ACCUMULATE, 797 IWL_CHAIN_NOISE_CALIBRATED, 798 IWL_CHAIN_NOISE_DONE, 799}; 800 801enum iwl4965_calib_enabled_state { 802 IWL_CALIB_DISABLED = 0, /* must be 0 */ 803 IWL_CALIB_ENABLED = 1, 804}; 805 806 807/* 808 * enum iwl_calib 809 * defines the order in which results of initial calibrations 810 * should be sent to the runtime uCode 811 */ 812enum iwl_calib { 813 IWL_CALIB_XTAL, 814 IWL_CALIB_DC, 815 IWL_CALIB_LO, 816 IWL_CALIB_TX_IQ, 817 IWL_CALIB_TX_IQ_PERD, 818 IWL_CALIB_BASE_BAND, 819 IWL_CALIB_MAX 820}; 821 822/* Opaque calibration results */ 823struct iwl_calib_result { 824 void *buf; 825 size_t buf_len; 826}; 827 828enum ucode_type { 829 UCODE_NONE = 0, 830 UCODE_INIT, 831 UCODE_RT 832}; 833 834/* Sensitivity calib data */ 835struct iwl_sensitivity_data { 836 u32 auto_corr_ofdm; 837 u32 auto_corr_ofdm_mrc; 838 u32 auto_corr_ofdm_x1; 839 u32 auto_corr_ofdm_mrc_x1; 840 u32 auto_corr_cck; 841 u32 auto_corr_cck_mrc; 842 843 u32 last_bad_plcp_cnt_ofdm; 844 u32 last_fa_cnt_ofdm; 845 u32 last_bad_plcp_cnt_cck; 846 u32 last_fa_cnt_cck; 847 848 u32 nrg_curr_state; 849 u32 nrg_prev_state; 850 u32 nrg_value[10]; 851 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 852 u32 nrg_silence_ref; 853 u32 nrg_energy_idx; 854 u32 nrg_silence_idx; 855 u32 nrg_th_cck; 856 s32 nrg_auto_corr_silence_diff; 857 u32 num_in_cck_no_fa; 858 u32 nrg_th_ofdm; 859 860 u16 barker_corr_th_min; 861 u16 barker_corr_th_min_mrc; 862 u16 nrg_th_cca; 863}; 864 865/* Chain noise (differential Rx gain) calib data */ 866struct iwl_chain_noise_data { 867 u32 active_chains; 868 u32 chain_noise_a; 869 u32 chain_noise_b; 870 u32 chain_noise_c; 871 u32 chain_signal_a; 872 u32 chain_signal_b; 873 u32 chain_signal_c; 874 u16 beacon_count; 875 u8 disconn_array[NUM_RX_CHAINS]; 876 u8 delta_gain_code[NUM_RX_CHAINS]; 877 u8 radio_write; 878 u8 state; 879}; 880 881#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 882#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 883 884#define IWL_TRAFFIC_ENTRIES (256) 885#define IWL_TRAFFIC_ENTRY_SIZE (64) 886 887enum { 888 MEASUREMENT_READY = (1 << 0), 889 MEASUREMENT_ACTIVE = (1 << 1), 890}; 891 892enum iwl_nvm_type { 893 NVM_DEVICE_TYPE_EEPROM = 0, 894 NVM_DEVICE_TYPE_OTP, 895}; 896 897/* 898 * Two types of OTP memory access modes 899 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 900 * based on physical memory addressing 901 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 902 * based on logical memory addressing 903 */ 904enum iwl_access_mode { 905 IWL_OTP_ACCESS_ABSOLUTE, 906 IWL_OTP_ACCESS_RELATIVE, 907}; 908 909/** 910 * enum iwl_pa_type - Power Amplifier type 911 * @IWL_PA_SYSTEM: based on uCode configuration 912 * @IWL_PA_INTERNAL: use Internal only 913 */ 914enum iwl_pa_type { 915 IWL_PA_SYSTEM = 0, 916 IWL_PA_INTERNAL = 1, 917}; 918 919/* interrupt statistics */ 920struct isr_statistics { 921 u32 hw; 922 u32 sw; 923 u32 sw_err; 924 u32 sch; 925 u32 alive; 926 u32 rfkill; 927 u32 ctkill; 928 u32 wakeup; 929 u32 rx; 930 u32 rx_handlers[REPLY_MAX]; 931 u32 tx; 932 u32 unhandled; 933}; 934 935#ifdef CONFIG_IWLWIFI_DEBUGFS 936/* management statistics */ 937enum iwl_mgmt_stats { 938 MANAGEMENT_ASSOC_REQ = 0, 939 MANAGEMENT_ASSOC_RESP, 940 MANAGEMENT_REASSOC_REQ, 941 MANAGEMENT_REASSOC_RESP, 942 MANAGEMENT_PROBE_REQ, 943 MANAGEMENT_PROBE_RESP, 944 MANAGEMENT_BEACON, 945 MANAGEMENT_ATIM, 946 MANAGEMENT_DISASSOC, 947 MANAGEMENT_AUTH, 948 MANAGEMENT_DEAUTH, 949 MANAGEMENT_ACTION, 950 MANAGEMENT_MAX, 951}; 952/* control statistics */ 953enum iwl_ctrl_stats { 954 CONTROL_BACK_REQ = 0, 955 CONTROL_BACK, 956 CONTROL_PSPOLL, 957 CONTROL_RTS, 958 CONTROL_CTS, 959 CONTROL_ACK, 960 CONTROL_CFEND, 961 CONTROL_CFENDACK, 962 CONTROL_MAX, 963}; 964 965struct traffic_stats { 966 u32 mgmt[MANAGEMENT_MAX]; 967 u32 ctrl[CONTROL_MAX]; 968 u32 data_cnt; 969 u64 data_bytes; 970}; 971#else 972struct traffic_stats { 973 u64 data_bytes; 974}; 975#endif 976 977/* 978 * iwl_switch_rxon: "channel switch" structure 979 * 980 * @ switch_in_progress: channel switch in progress 981 * @ channel: new channel 982 */ 983struct iwl_switch_rxon { 984 bool switch_in_progress; 985 __le16 channel; 986}; 987 988/* 989 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 990 * to perform continuous uCode event logging operation if enabled 991 */ 992#define UCODE_TRACE_PERIOD (100) 993 994/* 995 * iwl_event_log: current uCode event log position 996 * 997 * @ucode_trace: enable/disable ucode continuous trace timer 998 * @num_wraps: how many times the event buffer wraps 999 * @next_entry: the entry just before the next one that uCode would fill 1000 * @non_wraps_count: counter for no wrap detected when dump ucode events 1001 * @wraps_once_count: counter for wrap once detected when dump ucode events 1002 * @wraps_more_count: counter for wrap more than once detected 1003 * when dump ucode events 1004 */ 1005struct iwl_event_log { 1006 bool ucode_trace; 1007 u32 num_wraps; 1008 u32 next_entry; 1009 int non_wraps_count; 1010 int wraps_once_count; 1011 int wraps_more_count; 1012}; 1013 1014/* 1015 * host interrupt timeout value 1016 * used with setting interrupt coalescing timer 1017 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1018 * 1019 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1020 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1021 */ 1022#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 1023#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 1024#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 1025#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1026#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1027#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1028 1029/* 1030 * This is the threshold value of plcp error rate per 100mSecs. It is 1031 * used to set and check for the validity of plcp_delta. 1032 */ 1033#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (0) 1034#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 1035#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 1036#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1037#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1038 1039enum iwl_reset { 1040 IWL_RF_RESET = 0, 1041 IWL_FW_RESET, 1042}; 1043 1044struct iwl_priv { 1045 1046 /* ieee device used by generic ieee processing code */ 1047 struct ieee80211_hw *hw; 1048 struct ieee80211_channel *ieee_channels; 1049 struct ieee80211_rate *ieee_rates; 1050 struct iwl_cfg *cfg; 1051 1052 /* temporary frame storage list */ 1053 struct list_head free_frames; 1054 int frames_count; 1055 1056 enum ieee80211_band band; 1057 int alloc_rxb_page; 1058 1059 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1060 struct iwl_rx_mem_buffer *rxb); 1061 1062 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1063 1064 /* spectrum measurement report caching */ 1065 struct iwl_spectrum_notification measure_report; 1066 u8 measurement_status; 1067 1068 /* ucode beacon time */ 1069 u32 ucode_beacon_time; 1070 int missed_beacon_threshold; 1071 1072 /* storing the jiffies when the plcp error rate is received */ 1073 unsigned long plcp_jiffies; 1074 1075 /* reporting the number of tids has AGG on. 0 means no AGGREGATION */ 1076 u8 agg_tids_count; 1077 1078 /* force reset */ 1079 unsigned long last_force_reset_jiffies; 1080 1081 /* we allocate array of iwl4965_channel_info for NIC's valid channels. 1082 * Access via channel # using indirect index array */ 1083 struct iwl_channel_info *channel_info; /* channel info array */ 1084 u8 channel_count; /* # of channels */ 1085 1086 /* each calibration channel group in the EEPROM has a derived 1087 * clip setting for each rate. 3945 only.*/ 1088 const struct iwl3945_clip_group clip39_groups[5]; 1089 1090 /* thermal calibration */ 1091 s32 temperature; /* degrees Kelvin */ 1092 s32 last_temperature; 1093 1094 /* init calibration results */ 1095 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1096 1097 /* Scan related variables */ 1098 unsigned long next_scan_jiffies; 1099 unsigned long scan_start; 1100 unsigned long scan_pass_start; 1101 unsigned long scan_start_tsf; 1102 void *scan; 1103 int scan_bands; 1104 struct cfg80211_scan_request *scan_request; 1105 bool is_internal_short_scan; 1106 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1107 u8 mgmt_tx_ant; 1108 1109 /* spinlock */ 1110 spinlock_t lock; /* protect general shared data */ 1111 spinlock_t hcmd_lock; /* protect hcmd */ 1112 spinlock_t reg_lock; /* protect hw register access */ 1113 struct mutex mutex; 1114 1115 /* basic pci-network driver stuff */ 1116 struct pci_dev *pci_dev; 1117 1118 /* pci hardware address support */ 1119 void __iomem *hw_base; 1120 u32 hw_rev; 1121 u32 hw_wa_rev; 1122 u8 rev_id; 1123 1124 /* uCode images, save to reload in case of failure */ 1125 u32 ucode_ver; /* version of ucode, copy of 1126 iwl_ucode.ver */ 1127 struct fw_desc ucode_code; /* runtime inst */ 1128 struct fw_desc ucode_data; /* runtime data original */ 1129 struct fw_desc ucode_data_backup; /* runtime data save/restore */ 1130 struct fw_desc ucode_init; /* initialization inst */ 1131 struct fw_desc ucode_init_data; /* initialization data */ 1132 struct fw_desc ucode_boot; /* bootstrap inst */ 1133 enum ucode_type ucode_type; 1134 u8 ucode_write_complete; /* the image write is complete */ 1135 1136 1137 struct iwl_rxon_time_cmd rxon_timing; 1138 1139 /* We declare this const so it can only be 1140 * changed via explicit cast within the 1141 * routines that actually update the physical 1142 * hardware */ 1143 const struct iwl_rxon_cmd active_rxon; 1144 struct iwl_rxon_cmd staging_rxon; 1145 1146 struct iwl_switch_rxon switch_rxon; 1147 1148 /* 1st responses from initialize and runtime uCode images. 1149 * 4965's initialize alive response contains some calibration data. */ 1150 struct iwl_init_alive_resp card_alive_init; 1151 struct iwl_alive_resp card_alive; 1152 1153 unsigned long last_blink_time; 1154 u8 last_blink_rate; 1155 u8 allow_blinking; 1156 u64 led_tpt; 1157 1158 u16 active_rate; 1159 u16 active_rate_basic; 1160 1161 u8 assoc_station_added; 1162 u8 start_calib; 1163 struct iwl_sensitivity_data sensitivity_data; 1164 struct iwl_chain_noise_data chain_noise_data; 1165 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1166 1167 struct iwl_ht_config current_ht_config; 1168 u8 last_phy_res[100]; 1169 1170 /* Rate scaling data */ 1171 u8 retry_rate; 1172 1173 wait_queue_head_t wait_command_queue; 1174 1175 int activity_timer_active; 1176 1177 /* Rx and Tx DMA processing queues */ 1178 struct iwl_rx_queue rxq; 1179 struct iwl_tx_queue *txq; 1180 unsigned long txq_ctx_active_msk; 1181 struct iwl_dma_ptr kw; /* keep warm address */ 1182 struct iwl_dma_ptr scd_bc_tbls; 1183 1184 u32 scd_base_addr; /* scheduler sram base address */ 1185 1186 unsigned long status; 1187 1188 int last_rx_rssi; /* From Rx packet statistics */ 1189 int last_rx_noise; /* From beacon statistics */ 1190 1191 /* counts mgmt, ctl, and data packets */ 1192 struct traffic_stats tx_stats; 1193 struct traffic_stats rx_stats; 1194 1195 /* counts interrupts */ 1196 struct isr_statistics isr_stats; 1197 1198 struct iwl_power_mgr power_data; 1199 struct iwl_tt_mgmt thermal_throttle; 1200 1201 struct iwl_notif_statistics statistics; 1202#ifdef CONFIG_IWLWIFI_DEBUG 1203 struct iwl_notif_statistics accum_statistics; 1204 struct iwl_notif_statistics delta_statistics; 1205 struct iwl_notif_statistics max_delta; 1206#endif 1207 1208 /* context information */ 1209 u16 rates_mask; 1210 1211 u8 bssid[ETH_ALEN]; 1212 u16 rts_threshold; 1213 u8 mac_addr[ETH_ALEN]; 1214 1215 /*station table variables */ 1216 spinlock_t sta_lock; 1217 int num_stations; 1218 struct iwl_station_entry stations[IWL_STATION_COUNT]; 1219 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1220 u8 default_wep_key; 1221 u8 key_mapping_key; 1222 unsigned long ucode_key_table; 1223 1224 /* queue refcounts */ 1225#define IWL_MAX_HW_QUEUES 32 1226 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1227 /* for each AC */ 1228 atomic_t queue_stop_count[4]; 1229 1230 /* Indication if ieee80211_ops->open has been called */ 1231 u8 is_open; 1232 1233 u8 mac80211_registered; 1234 1235 /* Rx'd packet timing information */ 1236 u32 last_beacon_time; 1237 u64 last_tsf; 1238 1239 /* eeprom -- this is in the card's little endian byte order */ 1240 u8 *eeprom; 1241 int nvm_device_type; 1242 struct iwl_eeprom_calib_info *calib_info; 1243 1244 enum nl80211_iftype iw_mode; 1245 1246 struct sk_buff *ibss_beacon; 1247 1248 /* Last Rx'd beacon timestamp */ 1249 u64 timestamp; 1250 u16 beacon_int; 1251 struct ieee80211_vif *vif; 1252 1253 /*Added for 3945 */ 1254 void *shared_virt; 1255 dma_addr_t shared_phys; 1256 /*End*/ 1257 struct iwl_hw_params hw_params; 1258 1259 /* INT ICT Table */ 1260 __le32 *ict_tbl; 1261 dma_addr_t ict_tbl_dma; 1262 dma_addr_t aligned_ict_tbl_dma; 1263 int ict_index; 1264 void *ict_tbl_vir; 1265 u32 inta; 1266 bool use_ict; 1267 1268 u32 inta_mask; 1269 /* Current association information needed to configure the 1270 * hardware */ 1271 u16 assoc_id; 1272 u16 assoc_capability; 1273 1274 struct iwl_qos_info qos_data; 1275 1276 struct workqueue_struct *workqueue; 1277 1278 struct work_struct restart; 1279 struct work_struct scan_completed; 1280 struct work_struct rx_replenish; 1281 struct work_struct abort_scan; 1282 struct work_struct request_scan; 1283 struct work_struct beacon_update; 1284 struct work_struct tt_work; 1285 struct work_struct ct_enter; 1286 struct work_struct ct_exit; 1287 1288 struct tasklet_struct irq_tasklet; 1289 1290 struct delayed_work init_alive_start; 1291 struct delayed_work alive_start; 1292 struct delayed_work scan_check; 1293 1294 /*For 3945 only*/ 1295 struct delayed_work thermal_periodic; 1296 struct delayed_work rfkill_poll; 1297 1298 /* TX Power */ 1299 s8 tx_power_user_lmt; 1300 s8 tx_power_device_lmt; 1301 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1302 1303 1304#ifdef CONFIG_IWLWIFI_DEBUG 1305 /* debugging info */ 1306 u32 debug_level; /* per device debugging will override global 1307 iwl_debug_level if set */ 1308 u32 framecnt_to_us; 1309 atomic_t restrict_refcnt; 1310 bool disable_ht40; 1311#ifdef CONFIG_IWLWIFI_DEBUGFS 1312 /* debugfs */ 1313 u16 tx_traffic_idx; 1314 u16 rx_traffic_idx; 1315 u8 *tx_traffic; 1316 u8 *rx_traffic; 1317 struct dentry *debugfs_dir; 1318 u32 dbgfs_sram_offset, dbgfs_sram_len; 1319#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1320#endif /* CONFIG_IWLWIFI_DEBUG */ 1321 1322 struct work_struct txpower_work; 1323 u32 disable_sens_cal; 1324 u32 disable_chain_noise_cal; 1325 u32 disable_tx_power_cal; 1326 struct work_struct run_time_calib_work; 1327 struct timer_list statistics_periodic; 1328 struct timer_list ucode_trace; 1329 bool hw_ready; 1330 /*For 3945*/ 1331#define IWL_DEFAULT_TX_POWER 0x0F 1332 1333 struct iwl3945_notif_statistics statistics_39; 1334 1335 u32 sta_supp_rates; 1336 1337 struct iwl_event_log event_log; 1338}; /*iwl_priv */ 1339 1340static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1341{ 1342 set_bit(txq_id, &priv->txq_ctx_active_msk); 1343} 1344 1345static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1346{ 1347 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1348} 1349 1350#ifdef CONFIG_IWLWIFI_DEBUG 1351const char *iwl_get_tx_fail_reason(u32 status); 1352/* 1353 * iwl_get_debug_level: Return active debug level for device 1354 * 1355 * Using sysfs it is possible to set per device debug level. This debug 1356 * level will be used if set, otherwise the global debug level which can be 1357 * set via module parameter is used. 1358 */ 1359static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1360{ 1361 if (priv->debug_level) 1362 return priv->debug_level; 1363 else 1364 return iwl_debug_level; 1365} 1366#else 1367static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; } 1368 1369static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1370{ 1371 return iwl_debug_level; 1372} 1373#endif 1374 1375 1376static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1377 int txq_id, int idx) 1378{ 1379 if (priv->txq[txq_id].txb[idx].skb[0]) 1380 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1381 txb[idx].skb[0]->data; 1382 return NULL; 1383} 1384 1385 1386static inline int iwl_is_associated(struct iwl_priv *priv) 1387{ 1388 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1389} 1390 1391static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1392{ 1393 if (ch_info == NULL) 1394 return 0; 1395 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1396} 1397 1398static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1399{ 1400 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1401} 1402 1403static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1404{ 1405 return ch_info->band == IEEE80211_BAND_5GHZ; 1406} 1407 1408static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1409{ 1410 return ch_info->band == IEEE80211_BAND_2GHZ; 1411} 1412 1413static inline int is_channel_passive(const struct iwl_channel_info *ch) 1414{ 1415 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1416} 1417 1418static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1419{ 1420 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1421} 1422 1423static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1424{ 1425 __free_pages(page, priv->hw_params.rx_page_order); 1426 priv->alloc_rxb_page--; 1427} 1428 1429static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1430{ 1431 free_pages(page, priv->hw_params.rx_page_order); 1432 priv->alloc_rxb_page--; 1433} 1434#endif /* __iwl_dev_h__ */ 1435