iwl-dev.h revision 63013ae30159c90d2a873e20e680e7810fa533fa
1/****************************************************************************** 2 * 3 * Copyright(c) 2003 - 2011 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 */ 30 31#ifndef __iwl_dev_h__ 32#define __iwl_dev_h__ 33 34#include <linux/interrupt.h> 35#include <linux/pci.h> /* for struct pci_device_id */ 36#include <linux/kernel.h> 37#include <linux/wait.h> 38#include <linux/leds.h> 39#include <net/ieee80211_radiotap.h> 40 41#include "iwl-eeprom.h" 42#include "iwl-csr.h" 43#include "iwl-prph.h" 44#include "iwl-fh.h" 45#include "iwl-debug.h" 46#include "iwl-agn-hw.h" 47#include "iwl-led.h" 48#include "iwl-power.h" 49#include "iwl-agn-rs.h" 50#include "iwl-agn-tt.h" 51#include "iwl-bus.h" 52#include "iwl-trans.h" 53#include "iwl-shared.h" 54 55#define DRV_NAME "iwlagn" 56 57struct iwl_tx_queue; 58 59/* CT-KILL constants */ 60#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 61#define CT_KILL_THRESHOLD 114 /* in Celsius */ 62#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 63 64/* Default noise level to report when noise measurement is not available. 65 * This may be because we're: 66 * 1) Not associated (4965, no beacon statistics being sent to driver) 67 * 2) Scanning (noise measurement does not apply to associated channel) 68 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 69 * Use default noise value of -127 ... this is below the range of measurable 70 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 71 * Also, -127 works better than 0 when averaging frames with/without 72 * noise info (e.g. averaging might be done in app); measured dBm values are 73 * always negative ... using a negative value as the default keeps all 74 * averages within an s8's (used in some apps) range of negative values. */ 75#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 76 77/* 78 * RTS threshold here is total size [2347] minus 4 FCS bytes 79 * Per spec: 80 * a value of 0 means RTS on all data/management packets 81 * a value > max MSDU size means no RTS 82 * else RTS for data/management frames where MPDU is larger 83 * than RTS value. 84 */ 85#define DEFAULT_RTS_THRESHOLD 2347U 86#define MIN_RTS_THRESHOLD 0U 87#define MAX_RTS_THRESHOLD 2347U 88#define MAX_MSDU_SIZE 2304U 89#define MAX_MPDU_SIZE 2346U 90#define DEFAULT_BEACON_INTERVAL 200U 91#define DEFAULT_SHORT_RETRY_LIMIT 7U 92#define DEFAULT_LONG_RETRY_LIMIT 4U 93 94struct iwl_rx_mem_buffer { 95 dma_addr_t page_dma; 96 struct page *page; 97 struct list_head list; 98}; 99 100#define rxb_addr(r) page_address(r->page) 101 102/* defined below */ 103struct iwl_device_cmd; 104 105struct iwl_cmd_meta { 106 /* only for SYNC commands, iff the reply skb is wanted */ 107 struct iwl_host_cmd *source; 108 /* 109 * only for ASYNC commands 110 * (which is somewhat stupid -- look at iwl-sta.c for instance 111 * which duplicates a bunch of code because the callback isn't 112 * invoked for SYNC commands, if it were and its result passed 113 * through it would be simpler...) 114 */ 115 void (*callback)(struct iwl_priv *priv, 116 struct iwl_device_cmd *cmd, 117 struct iwl_rx_packet *pkt); 118 119 u32 flags; 120 121 DEFINE_DMA_UNMAP_ADDR(mapping); 122 DEFINE_DMA_UNMAP_LEN(len); 123}; 124 125/* 126 * Generic queue structure 127 * 128 * Contains common data for Rx and Tx queues. 129 * 130 * Note the difference between n_bd and n_window: the hardware 131 * always assumes 256 descriptors, so n_bd is always 256 (unless 132 * there might be HW changes in the future). For the normal TX 133 * queues, n_window, which is the size of the software queue data 134 * is also 256; however, for the command queue, n_window is only 135 * 32 since we don't need so many commands pending. Since the HW 136 * still uses 256 BDs for DMA though, n_bd stays 256. As a result, 137 * the software buffers (in the variables @meta, @txb in struct 138 * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds 139 * in the same struct) have 256. 140 * This means that we end up with the following: 141 * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | 142 * SW entries: | 0 | ... | 31 | 143 * where N is a number between 0 and 7. This means that the SW 144 * data is a window overlayed over the HW queue. 145 */ 146struct iwl_queue { 147 int n_bd; /* number of BDs in this queue */ 148 int write_ptr; /* 1-st empty entry (index) host_w*/ 149 int read_ptr; /* last used entry (index) host_r*/ 150 /* use for monitoring and recovering the stuck queue */ 151 dma_addr_t dma_addr; /* physical addr for BD's */ 152 int n_window; /* safe queue window */ 153 u32 id; 154 int low_mark; /* low watermark, resume queue if free 155 * space more than this */ 156 int high_mark; /* high watermark, stop queue if free 157 * space less than this */ 158}; 159 160/* One for each TFD */ 161struct iwl_tx_info { 162 struct sk_buff *skb; 163 struct iwl_rxon_context *ctx; 164}; 165 166/** 167 * struct iwl_tx_queue - Tx Queue for DMA 168 * @q: generic Rx/Tx queue descriptor 169 * @bd: base of circular buffer of TFDs 170 * @cmd: array of command/TX buffer pointers 171 * @meta: array of meta data for each command/tx buffer 172 * @dma_addr_cmd: physical address of cmd/tx buffer array 173 * @txb: array of per-TFD driver data 174 * @time_stamp: time (in jiffies) of last read_ptr change 175 * @need_update: indicates need to update read/write index 176 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 177 * 178 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 179 * descriptors) and required locking structures. 180 */ 181#define TFD_TX_CMD_SLOTS 256 182#define TFD_CMD_SLOTS 32 183 184struct iwl_tx_queue { 185 struct iwl_queue q; 186 struct iwl_tfd *tfds; 187 struct iwl_device_cmd **cmd; 188 struct iwl_cmd_meta *meta; 189 struct iwl_tx_info *txb; 190 unsigned long time_stamp; 191 u8 need_update; 192 u8 sched_retry; 193 u8 active; 194 u8 swq_id; 195}; 196 197#define IWL_NUM_SCAN_RATES (2) 198 199/* 200 * One for each channel, holds all channel setup data 201 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 202 * with one another! 203 */ 204struct iwl_channel_info { 205 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 206 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 207 * HT40 channel */ 208 209 u8 channel; /* channel number */ 210 u8 flags; /* flags copied from EEPROM */ 211 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 212 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 213 s8 min_power; /* always 0 */ 214 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 215 216 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 217 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 218 enum ieee80211_band band; 219 220 /* HT40 channel info */ 221 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 222 u8 ht40_flags; /* flags copied from EEPROM */ 223 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 224}; 225 226#define IWL_TX_FIFO_BK 0 /* shared */ 227#define IWL_TX_FIFO_BE 1 228#define IWL_TX_FIFO_VI 2 /* shared */ 229#define IWL_TX_FIFO_VO 3 230#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 231#define IWL_TX_FIFO_BE_IPAN 4 232#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 233#define IWL_TX_FIFO_VO_IPAN 5 234/* re-uses the VO FIFO, uCode will properly flush/schedule */ 235#define IWL_TX_FIFO_AUX 5 236#define IWL_TX_FIFO_UNUSED -1 237 238/* AUX (TX during scan dwell) queue */ 239#define IWL_AUX_QUEUE 10 240 241/* 242 * Minimum number of queues. MAX_NUM is defined in hw specific files. 243 * Set the minimum to accommodate 244 * - 4 standard TX queues 245 * - the command queue 246 * - 4 PAN TX queues 247 * - the PAN multicast queue, and 248 * - the AUX (TX during scan dwell) queue. 249 */ 250#define IWL_MIN_NUM_QUEUES 11 251 252/* 253 * Command queue depends on iPAN support. 254 */ 255#define IWL_DEFAULT_CMD_QUEUE_NUM 4 256#define IWL_IPAN_CMD_QUEUE_NUM 9 257 258/* 259 * This queue number is required for proper operation 260 * because the ucode will stop/start the scheduler as 261 * required. 262 */ 263#define IWL_IPAN_MCAST_QUEUE 8 264 265#define IEEE80211_DATA_LEN 2304 266#define IEEE80211_4ADDR_LEN 30 267#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 268#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 269 270 271#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 272#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 273#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 274 275enum { 276 CMD_SYNC = 0, 277 CMD_ASYNC = BIT(0), 278 CMD_WANT_SKB = BIT(1), 279 CMD_ON_DEMAND = BIT(2), 280}; 281 282#define DEF_CMD_PAYLOAD_SIZE 320 283 284/** 285 * struct iwl_device_cmd 286 * 287 * For allocation of the command and tx queues, this establishes the overall 288 * size of the largest command we send to uCode, except for commands that 289 * aren't fully copied and use other TFD space. 290 */ 291struct iwl_device_cmd { 292 struct iwl_cmd_header hdr; /* uCode API */ 293 union { 294 u32 flags; 295 u8 val8; 296 u16 val16; 297 u32 val32; 298 struct iwl_tx_cmd tx; 299 struct iwl6000_channel_switch_cmd chswitch; 300 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 301 } __packed cmd; 302} __packed; 303 304#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 305 306#define IWL_MAX_CMD_TFDS 2 307 308enum iwl_hcmd_dataflag { 309 IWL_HCMD_DFL_NOCOPY = BIT(0), 310}; 311 312/** 313 * struct iwl_host_cmd - Host command to the uCode 314 * @data: array of chunks that composes the data of the host command 315 * @reply_page: pointer to the page that holds the response to the host command 316 * @callback: 317 * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC 318 * @len: array of the lenths of the chunks in data 319 * @dataflags: 320 * @id: id of the host command 321 */ 322struct iwl_host_cmd { 323 const void *data[IWL_MAX_CMD_TFDS]; 324 unsigned long reply_page; 325 void (*callback)(struct iwl_priv *priv, 326 struct iwl_device_cmd *cmd, 327 struct iwl_rx_packet *pkt); 328 u32 flags; 329 u16 len[IWL_MAX_CMD_TFDS]; 330 u8 dataflags[IWL_MAX_CMD_TFDS]; 331 u8 id; 332}; 333 334#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 335#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 336#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 337 338/** 339 * struct iwl_rx_queue - Rx queue 340 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 341 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) 342 * @read: Shared index to newest available Rx buffer 343 * @write: Shared index to oldest written Rx packet 344 * @free_count: Number of pre-allocated buffers in rx_free 345 * @rx_free: list of free SKBs for use 346 * @rx_used: List of Rx buffers with no SKB 347 * @need_update: flag to indicate we need to update read/write index 348 * @rb_stts: driver's pointer to receive buffer status 349 * @rb_stts_dma: bus address of receive buffer status 350 * 351 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 352 */ 353struct iwl_rx_queue { 354 __le32 *bd; 355 dma_addr_t bd_dma; 356 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 357 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 358 u32 read; 359 u32 write; 360 u32 free_count; 361 u32 write_actual; 362 struct list_head rx_free; 363 struct list_head rx_used; 364 int need_update; 365 struct iwl_rb_status *rb_stts; 366 dma_addr_t rb_stts_dma; 367 spinlock_t lock; 368}; 369 370#define IWL_SUPPORTED_RATES_IE_LEN 8 371 372#define MAX_TID_COUNT 9 373 374#define IWL_INVALID_RATE 0xFF 375#define IWL_INVALID_VALUE -1 376 377/** 378 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 379 * @txq_id: Tx queue used for Tx attempt 380 * @frame_count: # frames attempted by Tx command 381 * @wait_for_ba: Expect block-ack before next Tx reply 382 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 383 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 384 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 385 * @rate_n_flags: Rate at which Tx was attempted 386 * 387 * If REPLY_TX indicates that aggregation was attempted, driver must wait 388 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 389 * until block ack arrives. 390 */ 391struct iwl_ht_agg { 392 u16 txq_id; 393 u16 frame_count; 394 u16 wait_for_ba; 395 u16 start_idx; 396 u64 bitmap; 397 u32 rate_n_flags; 398#define IWL_AGG_OFF 0 399#define IWL_AGG_ON 1 400#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 401#define IWL_EMPTYING_HW_QUEUE_DELBA 3 402 u8 state; 403 u8 tx_fifo; 404}; 405 406 407struct iwl_tid_data { 408 u16 seq_number; /* agn only */ 409 u16 tfds_in_queue; 410 struct iwl_ht_agg agg; 411}; 412 413union iwl_ht_rate_supp { 414 u16 rates; 415 struct { 416 u8 siso_rate; 417 u8 mimo_rate; 418 }; 419}; 420 421#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 422#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 423#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 424#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 425#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 426#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 427#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 428 429/* 430 * Maximal MPDU density for TX aggregation 431 * 4 - 2us density 432 * 5 - 4us density 433 * 6 - 8us density 434 * 7 - 16us density 435 */ 436#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 437#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 438#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 439#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 440#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 441#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 442#define CFG_HT_MPDU_DENSITY_MIN (0x1) 443 444struct iwl_ht_config { 445 bool single_chain_sufficient; 446 enum ieee80211_smps_mode smps; /* current smps mode */ 447}; 448 449/* QoS structures */ 450struct iwl_qos_info { 451 int qos_active; 452 struct iwl_qosparam_cmd def_qos_parm; 453}; 454 455/* 456 * Structure should be accessed with sta_lock held. When station addition 457 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 458 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 459 * held. 460 */ 461struct iwl_station_entry { 462 struct iwl_addsta_cmd sta; 463 struct iwl_tid_data tid[MAX_TID_COUNT]; 464 u8 used, ctxid; 465 struct iwl_link_quality_cmd *lq; 466}; 467 468struct iwl_station_priv_common { 469 struct iwl_rxon_context *ctx; 470 u8 sta_id; 471}; 472 473/* 474 * iwl_station_priv: Driver's private station information 475 * 476 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 477 * in the structure for use by driver. This structure is places in that 478 * space. 479 */ 480struct iwl_station_priv { 481 struct iwl_station_priv_common common; 482 struct iwl_lq_sta lq_sta; 483 atomic_t pending_frames; 484 bool client; 485 bool asleep; 486 u8 max_agg_bufsize; 487}; 488 489/** 490 * struct iwl_vif_priv - driver's private per-interface information 491 * 492 * When mac80211 allocates a virtual interface, it can allocate 493 * space for us to put data into. 494 */ 495struct iwl_vif_priv { 496 struct iwl_rxon_context *ctx; 497 u8 ibss_bssid_sta_id; 498}; 499 500/* one for each uCode image (inst/data, boot/init/runtime) */ 501struct fw_desc { 502 void *v_addr; /* access by driver */ 503 dma_addr_t p_addr; /* access by card's busmaster DMA */ 504 u32 len; /* bytes */ 505}; 506 507struct fw_img { 508 struct fw_desc code, data; 509}; 510 511/* v1/v2 uCode file layout */ 512struct iwl_ucode_header { 513 __le32 ver; /* major/minor/API/serial */ 514 union { 515 struct { 516 __le32 inst_size; /* bytes of runtime code */ 517 __le32 data_size; /* bytes of runtime data */ 518 __le32 init_size; /* bytes of init code */ 519 __le32 init_data_size; /* bytes of init data */ 520 __le32 boot_size; /* bytes of bootstrap code */ 521 u8 data[0]; /* in same order as sizes */ 522 } v1; 523 struct { 524 __le32 build; /* build number */ 525 __le32 inst_size; /* bytes of runtime code */ 526 __le32 data_size; /* bytes of runtime data */ 527 __le32 init_size; /* bytes of init code */ 528 __le32 init_data_size; /* bytes of init data */ 529 __le32 boot_size; /* bytes of bootstrap code */ 530 u8 data[0]; /* in same order as sizes */ 531 } v2; 532 } u; 533}; 534 535/* 536 * new TLV uCode file layout 537 * 538 * The new TLV file format contains TLVs, that each specify 539 * some piece of data. To facilitate "groups", for example 540 * different instruction image with different capabilities, 541 * bundled with the same init image, an alternative mechanism 542 * is provided: 543 * When the alternative field is 0, that means that the item 544 * is always valid. When it is non-zero, then it is only 545 * valid in conjunction with items of the same alternative, 546 * in which case the driver (user) selects one alternative 547 * to use. 548 */ 549 550enum iwl_ucode_tlv_type { 551 IWL_UCODE_TLV_INVALID = 0, /* unused */ 552 IWL_UCODE_TLV_INST = 1, 553 IWL_UCODE_TLV_DATA = 2, 554 IWL_UCODE_TLV_INIT = 3, 555 IWL_UCODE_TLV_INIT_DATA = 4, 556 IWL_UCODE_TLV_BOOT = 5, 557 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 558 IWL_UCODE_TLV_PAN = 7, 559 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 560 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 561 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 562 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 563 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 564 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 565 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 566 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 567 IWL_UCODE_TLV_WOWLAN_INST = 16, 568 IWL_UCODE_TLV_WOWLAN_DATA = 17, 569 IWL_UCODE_TLV_FLAGS = 18, 570}; 571 572/** 573 * enum iwl_ucode_tlv_flag - ucode API flags 574 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 575 * was a separate TLV but moved here to save space. 576 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, 577 * treats good CRC threshold as a boolean 578 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 579 * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. 580 */ 581enum iwl_ucode_tlv_flag { 582 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 583 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), 584 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 585 IWL_UCODE_TLV_FLAGS_P2P = BIT(3), 586}; 587 588struct iwl_ucode_tlv { 589 __le16 type; /* see above */ 590 __le16 alternative; /* see comment */ 591 __le32 length; /* not including type/length fields */ 592 u8 data[0]; 593} __packed; 594 595#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 596 597struct iwl_tlv_ucode_header { 598 /* 599 * The TLV style ucode header is distinguished from 600 * the v1/v2 style header by first four bytes being 601 * zero, as such is an invalid combination of 602 * major/minor/API/serial versions. 603 */ 604 __le32 zero; 605 __le32 magic; 606 u8 human_readable[64]; 607 __le32 ver; /* major/minor/API/serial */ 608 __le32 build; 609 __le64 alternatives; /* bitmask of valid alternatives */ 610 /* 611 * The data contained herein has a TLV layout, 612 * see above for the TLV header and types. 613 * Note that each TLV is padded to a length 614 * that is a multiple of 4 for alignment. 615 */ 616 u8 data[0]; 617}; 618 619struct iwl_sensitivity_ranges { 620 u16 min_nrg_cck; 621 u16 max_nrg_cck; 622 623 u16 nrg_th_cck; 624 u16 nrg_th_ofdm; 625 626 u16 auto_corr_min_ofdm; 627 u16 auto_corr_min_ofdm_mrc; 628 u16 auto_corr_min_ofdm_x1; 629 u16 auto_corr_min_ofdm_mrc_x1; 630 631 u16 auto_corr_max_ofdm; 632 u16 auto_corr_max_ofdm_mrc; 633 u16 auto_corr_max_ofdm_x1; 634 u16 auto_corr_max_ofdm_mrc_x1; 635 636 u16 auto_corr_max_cck; 637 u16 auto_corr_max_cck_mrc; 638 u16 auto_corr_min_cck; 639 u16 auto_corr_min_cck_mrc; 640 641 u16 barker_corr_th_min; 642 u16 barker_corr_th_min_mrc; 643 u16 nrg_th_cca; 644}; 645 646 647#define KELVIN_TO_CELSIUS(x) ((x)-273) 648#define CELSIUS_TO_KELVIN(x) ((x)+273) 649 650 651/****************************************************************************** 652 * 653 * Functions implemented in core module which are forward declared here 654 * for use by iwl-[4-5].c 655 * 656 * NOTE: The implementation of these functions are not hardware specific 657 * which is why they are in the core module files. 658 * 659 * Naming convention -- 660 * iwl_ <-- Is part of iwlwifi 661 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 662 * 663 ****************************************************************************/ 664extern void iwl_update_chain_flags(struct iwl_priv *priv); 665extern const u8 iwl_bcast_addr[ETH_ALEN]; 666extern int iwl_queue_space(const struct iwl_queue *q); 667static inline int iwl_queue_used(const struct iwl_queue *q, int i) 668{ 669 return q->write_ptr >= q->read_ptr ? 670 (i >= q->read_ptr && i < q->write_ptr) : 671 !(i < q->read_ptr && i >= q->write_ptr); 672} 673 674 675static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) 676{ 677 return index & (q->n_window - 1); 678} 679 680 681struct iwl_dma_ptr { 682 dma_addr_t dma; 683 void *addr; 684 size_t size; 685}; 686 687#define IWL_OPERATION_MODE_AUTO 0 688#define IWL_OPERATION_MODE_HT_ONLY 1 689#define IWL_OPERATION_MODE_MIXED 2 690#define IWL_OPERATION_MODE_20MHZ 3 691 692#define IWL_TX_CRC_SIZE 4 693#define IWL_TX_DELIMITER_SIZE 4 694 695#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 696 697/* Sensitivity and chain noise calibration */ 698#define INITIALIZATION_VALUE 0xFFFF 699#define IWL_CAL_NUM_BEACONS 16 700#define MAXIMUM_ALLOWED_PATHLOSS 15 701 702#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 703 704#define MAX_FA_OFDM 50 705#define MIN_FA_OFDM 5 706#define MAX_FA_CCK 50 707#define MIN_FA_CCK 5 708 709#define AUTO_CORR_STEP_OFDM 1 710 711#define AUTO_CORR_STEP_CCK 3 712#define AUTO_CORR_MAX_TH_CCK 160 713 714#define NRG_DIFF 2 715#define NRG_STEP_CCK 2 716#define NRG_MARGIN 8 717#define MAX_NUMBER_CCK_NO_FA 100 718 719#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 720 721#define CHAIN_A 0 722#define CHAIN_B 1 723#define CHAIN_C 2 724#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 725#define ALL_BAND_FILTER 0xFF00 726#define IN_BAND_FILTER 0xFF 727#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 728 729#define NRG_NUM_PREV_STAT_L 20 730#define NUM_RX_CHAINS 3 731 732enum iwlagn_false_alarm_state { 733 IWL_FA_TOO_MANY = 0, 734 IWL_FA_TOO_FEW = 1, 735 IWL_FA_GOOD_RANGE = 2, 736}; 737 738enum iwlagn_chain_noise_state { 739 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 740 IWL_CHAIN_NOISE_ACCUMULATE, 741 IWL_CHAIN_NOISE_CALIBRATED, 742 IWL_CHAIN_NOISE_DONE, 743}; 744 745 746/* 747 * enum iwl_calib 748 * defines the order in which results of initial calibrations 749 * should be sent to the runtime uCode 750 */ 751enum iwl_calib { 752 IWL_CALIB_XTAL, 753 IWL_CALIB_DC, 754 IWL_CALIB_LO, 755 IWL_CALIB_TX_IQ, 756 IWL_CALIB_TX_IQ_PERD, 757 IWL_CALIB_BASE_BAND, 758 IWL_CALIB_TEMP_OFFSET, 759 IWL_CALIB_MAX 760}; 761 762/* Opaque calibration results */ 763struct iwl_calib_result { 764 void *buf; 765 size_t buf_len; 766}; 767 768/* Sensitivity calib data */ 769struct iwl_sensitivity_data { 770 u32 auto_corr_ofdm; 771 u32 auto_corr_ofdm_mrc; 772 u32 auto_corr_ofdm_x1; 773 u32 auto_corr_ofdm_mrc_x1; 774 u32 auto_corr_cck; 775 u32 auto_corr_cck_mrc; 776 777 u32 last_bad_plcp_cnt_ofdm; 778 u32 last_fa_cnt_ofdm; 779 u32 last_bad_plcp_cnt_cck; 780 u32 last_fa_cnt_cck; 781 782 u32 nrg_curr_state; 783 u32 nrg_prev_state; 784 u32 nrg_value[10]; 785 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 786 u32 nrg_silence_ref; 787 u32 nrg_energy_idx; 788 u32 nrg_silence_idx; 789 u32 nrg_th_cck; 790 s32 nrg_auto_corr_silence_diff; 791 u32 num_in_cck_no_fa; 792 u32 nrg_th_ofdm; 793 794 u16 barker_corr_th_min; 795 u16 barker_corr_th_min_mrc; 796 u16 nrg_th_cca; 797}; 798 799/* Chain noise (differential Rx gain) calib data */ 800struct iwl_chain_noise_data { 801 u32 active_chains; 802 u32 chain_noise_a; 803 u32 chain_noise_b; 804 u32 chain_noise_c; 805 u32 chain_signal_a; 806 u32 chain_signal_b; 807 u32 chain_signal_c; 808 u16 beacon_count; 809 u8 disconn_array[NUM_RX_CHAINS]; 810 u8 delta_gain_code[NUM_RX_CHAINS]; 811 u8 radio_write; 812 u8 state; 813}; 814 815#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 816#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 817 818#define IWL_TRAFFIC_ENTRIES (256) 819#define IWL_TRAFFIC_ENTRY_SIZE (64) 820 821enum { 822 MEASUREMENT_READY = (1 << 0), 823 MEASUREMENT_ACTIVE = (1 << 1), 824}; 825 826enum iwl_nvm_type { 827 NVM_DEVICE_TYPE_EEPROM = 0, 828 NVM_DEVICE_TYPE_OTP, 829}; 830 831/* 832 * Two types of OTP memory access modes 833 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 834 * based on physical memory addressing 835 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 836 * based on logical memory addressing 837 */ 838enum iwl_access_mode { 839 IWL_OTP_ACCESS_ABSOLUTE, 840 IWL_OTP_ACCESS_RELATIVE, 841}; 842 843/** 844 * enum iwl_pa_type - Power Amplifier type 845 * @IWL_PA_SYSTEM: based on uCode configuration 846 * @IWL_PA_INTERNAL: use Internal only 847 */ 848enum iwl_pa_type { 849 IWL_PA_SYSTEM = 0, 850 IWL_PA_INTERNAL = 1, 851}; 852 853/* interrupt statistics */ 854struct isr_statistics { 855 u32 hw; 856 u32 sw; 857 u32 err_code; 858 u32 sch; 859 u32 alive; 860 u32 rfkill; 861 u32 ctkill; 862 u32 wakeup; 863 u32 rx; 864 u32 rx_handlers[REPLY_MAX]; 865 u32 tx; 866 u32 unhandled; 867}; 868 869/* reply_tx_statistics (for _agn devices) */ 870struct reply_tx_error_statistics { 871 u32 pp_delay; 872 u32 pp_few_bytes; 873 u32 pp_bt_prio; 874 u32 pp_quiet_period; 875 u32 pp_calc_ttak; 876 u32 int_crossed_retry; 877 u32 short_limit; 878 u32 long_limit; 879 u32 fifo_underrun; 880 u32 drain_flow; 881 u32 rfkill_flush; 882 u32 life_expire; 883 u32 dest_ps; 884 u32 host_abort; 885 u32 bt_retry; 886 u32 sta_invalid; 887 u32 frag_drop; 888 u32 tid_disable; 889 u32 fifo_flush; 890 u32 insuff_cf_poll; 891 u32 fail_hw_drop; 892 u32 sta_color_mismatch; 893 u32 unknown; 894}; 895 896/* reply_agg_tx_statistics (for _agn devices) */ 897struct reply_agg_tx_error_statistics { 898 u32 underrun; 899 u32 bt_prio; 900 u32 few_bytes; 901 u32 abort; 902 u32 last_sent_ttl; 903 u32 last_sent_try; 904 u32 last_sent_bt_kill; 905 u32 scd_query; 906 u32 bad_crc32; 907 u32 response; 908 u32 dump_tx; 909 u32 delay_tx; 910 u32 unknown; 911}; 912 913/* management statistics */ 914enum iwl_mgmt_stats { 915 MANAGEMENT_ASSOC_REQ = 0, 916 MANAGEMENT_ASSOC_RESP, 917 MANAGEMENT_REASSOC_REQ, 918 MANAGEMENT_REASSOC_RESP, 919 MANAGEMENT_PROBE_REQ, 920 MANAGEMENT_PROBE_RESP, 921 MANAGEMENT_BEACON, 922 MANAGEMENT_ATIM, 923 MANAGEMENT_DISASSOC, 924 MANAGEMENT_AUTH, 925 MANAGEMENT_DEAUTH, 926 MANAGEMENT_ACTION, 927 MANAGEMENT_MAX, 928}; 929/* control statistics */ 930enum iwl_ctrl_stats { 931 CONTROL_BACK_REQ = 0, 932 CONTROL_BACK, 933 CONTROL_PSPOLL, 934 CONTROL_RTS, 935 CONTROL_CTS, 936 CONTROL_ACK, 937 CONTROL_CFEND, 938 CONTROL_CFENDACK, 939 CONTROL_MAX, 940}; 941 942struct traffic_stats { 943#ifdef CONFIG_IWLWIFI_DEBUGFS 944 u32 mgmt[MANAGEMENT_MAX]; 945 u32 ctrl[CONTROL_MAX]; 946 u32 data_cnt; 947 u64 data_bytes; 948#endif 949}; 950 951/* 952 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 953 * to perform continuous uCode event logging operation if enabled 954 */ 955#define UCODE_TRACE_PERIOD (100) 956 957/* 958 * iwl_event_log: current uCode event log position 959 * 960 * @ucode_trace: enable/disable ucode continuous trace timer 961 * @num_wraps: how many times the event buffer wraps 962 * @next_entry: the entry just before the next one that uCode would fill 963 * @non_wraps_count: counter for no wrap detected when dump ucode events 964 * @wraps_once_count: counter for wrap once detected when dump ucode events 965 * @wraps_more_count: counter for wrap more than once detected 966 * when dump ucode events 967 */ 968struct iwl_event_log { 969 bool ucode_trace; 970 u32 num_wraps; 971 u32 next_entry; 972 int non_wraps_count; 973 int wraps_once_count; 974 int wraps_more_count; 975}; 976 977/* 978 * host interrupt timeout value 979 * used with setting interrupt coalescing timer 980 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 981 * 982 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 983 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 984 */ 985#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 986#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 987#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 988#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 989#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 990#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 991 992/* 993 * This is the threshold value of plcp error rate per 100mSecs. It is 994 * used to set and check for the validity of plcp_delta. 995 */ 996#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 997#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 998#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 999#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1000#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1001#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 1002 1003#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 1004#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1005 1006/* TX queue watchdog timeouts in mSecs */ 1007#define IWL_DEF_WD_TIMEOUT (2000) 1008#define IWL_LONG_WD_TIMEOUT (10000) 1009#define IWL_MAX_WD_TIMEOUT (120000) 1010 1011/* BT Antenna Coupling Threshold (dB) */ 1012#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 1013 1014/* Firmware reload counter and Timestamp */ 1015#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 1016#define IWL_MAX_CONTINUE_RELOAD_CNT 4 1017 1018 1019enum iwl_reset { 1020 IWL_RF_RESET = 0, 1021 IWL_FW_RESET, 1022 IWL_MAX_FORCE_RESET, 1023}; 1024 1025struct iwl_force_reset { 1026 int reset_request_count; 1027 int reset_success_count; 1028 int reset_reject_count; 1029 unsigned long reset_duration; 1030 unsigned long last_force_reset_jiffies; 1031}; 1032 1033/* extend beacon time format bit shifting */ 1034/* 1035 * for _agn devices 1036 * bits 31:22 - extended 1037 * bits 21:0 - interval 1038 */ 1039#define IWLAGN_EXT_BEACON_TIME_POS 22 1040 1041/** 1042 * struct iwl_notification_wait - notification wait entry 1043 * @list: list head for global list 1044 * @fn: function called with the notification 1045 * @cmd: command ID 1046 * 1047 * This structure is not used directly, to wait for a 1048 * notification declare it on the stack, and call 1049 * iwlagn_init_notification_wait() with appropriate 1050 * parameters. Then do whatever will cause the ucode 1051 * to notify the driver, and to wait for that then 1052 * call iwlagn_wait_notification(). 1053 * 1054 * Each notification is one-shot. If at some point we 1055 * need to support multi-shot notifications (which 1056 * can't be allocated on the stack) we need to modify 1057 * the code for them. 1058 */ 1059struct iwl_notification_wait { 1060 struct list_head list; 1061 1062 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 1063 void *data); 1064 void *fn_data; 1065 1066 u8 cmd; 1067 bool triggered, aborted; 1068}; 1069 1070enum iwl_rxon_context_id { 1071 IWL_RXON_CTX_BSS, 1072 IWL_RXON_CTX_PAN, 1073 1074 NUM_IWL_RXON_CTX 1075}; 1076 1077struct iwl_rxon_context { 1078 struct ieee80211_vif *vif; 1079 1080 const u8 *ac_to_fifo; 1081 const u8 *ac_to_queue; 1082 u8 mcast_queue; 1083 1084 /* 1085 * We could use the vif to indicate active, but we 1086 * also need it to be active during disabling when 1087 * we already removed the vif for type setting. 1088 */ 1089 bool always_active, is_active; 1090 1091 bool ht_need_multiple_chains; 1092 1093 enum iwl_rxon_context_id ctxid; 1094 1095 u32 interface_modes, exclusive_interface_modes; 1096 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 1097 1098 /* 1099 * We declare this const so it can only be 1100 * changed via explicit cast within the 1101 * routines that actually update the physical 1102 * hardware. 1103 */ 1104 const struct iwl_rxon_cmd active; 1105 struct iwl_rxon_cmd staging; 1106 1107 struct iwl_rxon_time_cmd timing; 1108 1109 struct iwl_qos_info qos_data; 1110 1111 u8 bcast_sta_id, ap_sta_id; 1112 1113 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1114 u8 qos_cmd; 1115 u8 wep_key_cmd; 1116 1117 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1118 u8 key_mapping_keys; 1119 1120 __le32 station_flags; 1121 1122 int beacon_int; 1123 1124 struct { 1125 bool non_gf_sta_present; 1126 u8 protection; 1127 bool enabled, is_40mhz; 1128 u8 extension_chan_offset; 1129 } ht; 1130 1131 bool last_tx_rejected; 1132}; 1133 1134enum iwl_scan_type { 1135 IWL_SCAN_NORMAL, 1136 IWL_SCAN_RADIO_RESET, 1137 IWL_SCAN_ROC, 1138}; 1139 1140enum iwlagn_ucode_type { 1141 IWL_UCODE_NONE, 1142 IWL_UCODE_REGULAR, 1143 IWL_UCODE_INIT, 1144 IWL_UCODE_WOWLAN, 1145}; 1146 1147#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1148struct iwl_testmode_trace { 1149 u32 buff_size; 1150 u32 total_size; 1151 u32 num_chunks; 1152 u8 *cpu_addr; 1153 u8 *trace_addr; 1154 dma_addr_t dma_addr; 1155 bool trace_enabled; 1156}; 1157#endif 1158 1159/* uCode ownership */ 1160#define IWL_OWNERSHIP_DRIVER 0 1161#define IWL_OWNERSHIP_TM 1 1162 1163struct iwl_priv { 1164 1165 /*data shared among all the driver's layers */ 1166 struct iwl_shared _shrd; 1167 struct iwl_shared *shrd; 1168 1169 /* ieee device used by generic ieee processing code */ 1170 struct ieee80211_hw *hw; 1171 struct ieee80211_channel *ieee_channels; 1172 struct ieee80211_rate *ieee_rates; 1173 struct iwl_cfg *cfg; 1174 1175 enum ieee80211_band band; 1176 1177 void (*pre_rx_handler)(struct iwl_priv *priv, 1178 struct iwl_rx_mem_buffer *rxb); 1179 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1180 struct iwl_rx_mem_buffer *rxb); 1181 1182 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1183 1184 /* spectrum measurement report caching */ 1185 struct iwl_spectrum_notification measure_report; 1186 u8 measurement_status; 1187 1188 /* ucode beacon time */ 1189 u32 ucode_beacon_time; 1190 int missed_beacon_threshold; 1191 1192 /* track IBSS manager (last beacon) status */ 1193 u32 ibss_manager; 1194 1195 /* jiffies when last recovery from statistics was performed */ 1196 unsigned long rx_statistics_jiffies; 1197 1198 /* force reset */ 1199 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1200 1201 /* firmware reload counter and timestamp */ 1202 unsigned long reload_jiffies; 1203 int reload_count; 1204 1205 /* we allocate array of iwl_channel_info for NIC's valid channels. 1206 * Access via channel # using indirect index array */ 1207 struct iwl_channel_info *channel_info; /* channel info array */ 1208 u8 channel_count; /* # of channels */ 1209 1210 /* thermal calibration */ 1211 s32 temperature; /* degrees Kelvin */ 1212 s32 last_temperature; 1213 1214 /* init calibration results */ 1215 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1216 1217 /* Scan related variables */ 1218 unsigned long scan_start; 1219 unsigned long scan_start_tsf; 1220 void *scan_cmd; 1221 enum ieee80211_band scan_band; 1222 struct cfg80211_scan_request *scan_request; 1223 struct ieee80211_vif *scan_vif; 1224 enum iwl_scan_type scan_type; 1225 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1226 u8 mgmt_tx_ant; 1227 1228 /* spinlock */ 1229 spinlock_t lock; /* protect general shared data */ 1230 spinlock_t hcmd_lock; /* protect hcmd */ 1231 spinlock_t reg_lock; /* protect hw register access */ 1232 struct mutex mutex; 1233 1234 struct iwl_bus *bus; /* bus specific data */ 1235 struct iwl_trans trans; 1236 1237 /* microcode/device supports multiple contexts */ 1238 u8 valid_contexts; 1239 1240 /* max number of station keys */ 1241 u8 sta_key_max_num; 1242 1243 bool new_scan_threshold_behaviour; 1244 1245 /* EEPROM MAC addresses */ 1246 struct mac_address addresses[2]; 1247 1248 /* uCode images, save to reload in case of failure */ 1249 int fw_index; /* firmware we're trying to load */ 1250 u32 ucode_ver; /* version of ucode, copy of 1251 iwl_ucode.ver */ 1252 1253 /* uCode owner: default: IWL_OWNERSHIP_DRIVER */ 1254 u8 ucode_owner; 1255 1256 struct fw_img ucode_rt; 1257 struct fw_img ucode_init; 1258 struct fw_img ucode_wowlan; 1259 1260 enum iwlagn_ucode_type ucode_type; 1261 u8 ucode_write_complete; /* the image write is complete */ 1262 char firmware_name[25]; 1263 1264 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1265 1266 __le16 switch_channel; 1267 1268 struct { 1269 u32 error_event_table; 1270 u32 log_event_table; 1271 } device_pointers; 1272 1273 u16 active_rate; 1274 1275 u8 start_calib; 1276 struct iwl_sensitivity_data sensitivity_data; 1277 struct iwl_chain_noise_data chain_noise_data; 1278 bool enhance_sensitivity_table; 1279 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1280 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1281 1282 struct iwl_ht_config current_ht_config; 1283 1284 /* Rate scaling data */ 1285 u8 retry_rate; 1286 1287 wait_queue_head_t wait_command_queue; 1288 1289 int activity_timer_active; 1290 1291 /* Rx and Tx DMA processing queues */ 1292 struct iwl_rx_queue rxq; 1293 struct iwl_tx_queue *txq; 1294 unsigned long txq_ctx_active_msk; 1295 struct iwl_dma_ptr kw; /* keep warm address */ 1296 struct iwl_dma_ptr scd_bc_tbls; 1297 1298 u32 scd_base_addr; /* scheduler sram base address */ 1299 1300 /* counts mgmt, ctl, and data packets */ 1301 struct traffic_stats tx_stats; 1302 struct traffic_stats rx_stats; 1303 1304 /* counts interrupts */ 1305 struct isr_statistics isr_stats; 1306 1307 struct iwl_power_mgr power_data; 1308 struct iwl_tt_mgmt thermal_throttle; 1309 1310 /* station table variables */ 1311 1312 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1313 spinlock_t sta_lock; 1314 int num_stations; 1315 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1316 unsigned long ucode_key_table; 1317 1318 /* queue refcounts */ 1319#define IWL_MAX_HW_QUEUES 32 1320 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1321 /* for each AC */ 1322 atomic_t queue_stop_count[4]; 1323 1324 /* Indication if ieee80211_ops->open has been called */ 1325 u8 is_open; 1326 1327 u8 mac80211_registered; 1328 1329 bool wowlan; 1330 1331 /* eeprom -- this is in the card's little endian byte order */ 1332 u8 *eeprom; 1333 int nvm_device_type; 1334 struct iwl_eeprom_calib_info *calib_info; 1335 1336 enum nl80211_iftype iw_mode; 1337 1338 /* Last Rx'd beacon timestamp */ 1339 u64 timestamp; 1340 1341 struct { 1342 __le32 flag; 1343 struct statistics_general_common common; 1344 struct statistics_rx_non_phy rx_non_phy; 1345 struct statistics_rx_phy rx_ofdm; 1346 struct statistics_rx_ht_phy rx_ofdm_ht; 1347 struct statistics_rx_phy rx_cck; 1348 struct statistics_tx tx; 1349#ifdef CONFIG_IWLWIFI_DEBUGFS 1350 struct statistics_bt_activity bt_activity; 1351 __le32 num_bt_kills, accum_num_bt_kills; 1352#endif 1353 } statistics; 1354#ifdef CONFIG_IWLWIFI_DEBUGFS 1355 struct { 1356 struct statistics_general_common common; 1357 struct statistics_rx_non_phy rx_non_phy; 1358 struct statistics_rx_phy rx_ofdm; 1359 struct statistics_rx_ht_phy rx_ofdm_ht; 1360 struct statistics_rx_phy rx_cck; 1361 struct statistics_tx tx; 1362 struct statistics_bt_activity bt_activity; 1363 } accum_stats, delta_stats, max_delta_stats; 1364#endif 1365 1366 /* INT ICT Table */ 1367 __le32 *ict_tbl; 1368 void *ict_tbl_vir; 1369 dma_addr_t ict_tbl_dma; 1370 dma_addr_t aligned_ict_tbl_dma; 1371 int ict_index; 1372 u32 inta; 1373 bool use_ict; 1374 /* 1375 * reporting the number of tids has AGG on. 0 means 1376 * no AGGREGATION 1377 */ 1378 u8 agg_tids_count; 1379 1380 struct iwl_rx_phy_res last_phy_res; 1381 bool last_phy_res_valid; 1382 1383 struct completion firmware_loading_complete; 1384 1385 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1386 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1387 1388 /* 1389 * chain noise reset and gain commands are the 1390 * two extra calibration commands follows the standard 1391 * phy calibration commands 1392 */ 1393 u8 phy_calib_chain_noise_reset_cmd; 1394 u8 phy_calib_chain_noise_gain_cmd; 1395 1396 /* counts reply_tx error */ 1397 struct reply_tx_error_statistics reply_tx_stats; 1398 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1399 /* notification wait support */ 1400 struct list_head notif_waits; 1401 spinlock_t notif_wait_lock; 1402 wait_queue_head_t notif_waitq; 1403 1404 /* remain-on-channel offload support */ 1405 struct ieee80211_channel *hw_roc_channel; 1406 struct delayed_work hw_roc_disable_work; 1407 enum nl80211_channel_type hw_roc_chantype; 1408 int hw_roc_duration; 1409 bool hw_roc_setup; 1410 1411 /* bt coex */ 1412 u8 bt_enable_flag; 1413 u8 bt_status; 1414 u8 bt_traffic_load, last_bt_traffic_load; 1415 bool bt_ch_announce; 1416 bool bt_full_concurrent; 1417 bool bt_ant_couple_ok; 1418 __le32 kill_ack_mask; 1419 __le32 kill_cts_mask; 1420 __le16 bt_valid; 1421 u16 bt_on_thresh; 1422 u16 bt_duration; 1423 u16 dynamic_frag_thresh; 1424 u8 bt_ci_compliance; 1425 struct work_struct bt_traffic_change_work; 1426 bool bt_enable_pspoll; 1427 struct iwl_rxon_context *cur_rssi_ctx; 1428 bool bt_is_sco; 1429 1430 u32 inta_mask; 1431 1432 struct work_struct restart; 1433 struct work_struct scan_completed; 1434 struct work_struct rx_replenish; 1435 struct work_struct abort_scan; 1436 1437 struct work_struct beacon_update; 1438 struct iwl_rxon_context *beacon_ctx; 1439 struct sk_buff *beacon_skb; 1440 void *beacon_cmd; 1441 1442 struct work_struct tt_work; 1443 struct work_struct ct_enter; 1444 struct work_struct ct_exit; 1445 struct work_struct start_internal_scan; 1446 struct work_struct tx_flush; 1447 struct work_struct bt_full_concurrency; 1448 struct work_struct bt_runtime_config; 1449 1450 struct tasklet_struct irq_tasklet; 1451 1452 struct delayed_work scan_check; 1453 1454 /* TX Power */ 1455 s8 tx_power_user_lmt; 1456 s8 tx_power_device_lmt; 1457 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1458 s8 tx_power_next; 1459 1460#ifdef CONFIG_IWLWIFI_DEBUGFS 1461 /* debugfs */ 1462 u16 tx_traffic_idx; 1463 u16 rx_traffic_idx; 1464 u8 *tx_traffic; 1465 u8 *rx_traffic; 1466 struct dentry *debugfs_dir; 1467 u32 dbgfs_sram_offset, dbgfs_sram_len; 1468 bool disable_ht40; 1469 void *wowlan_sram; 1470#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1471 1472 struct work_struct txpower_work; 1473 u32 disable_sens_cal; 1474 u32 disable_chain_noise_cal; 1475 struct work_struct run_time_calib_work; 1476 struct timer_list statistics_periodic; 1477 struct timer_list ucode_trace; 1478 struct timer_list watchdog; 1479 1480 struct iwl_event_log event_log; 1481 1482 struct led_classdev led; 1483 unsigned long blink_on, blink_off; 1484 bool led_registered; 1485#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1486 struct iwl_testmode_trace testmode_trace; 1487 u32 tm_fixed_rate; 1488#endif 1489 1490 /* WoWLAN GTK rekey data */ 1491 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 1492 __le64 replay_ctr; 1493 __le16 last_seq_ctl; 1494 bool have_rekey_data; 1495}; /*iwl_priv */ 1496 1497static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1498{ 1499 set_bit(txq_id, &priv->txq_ctx_active_msk); 1500} 1501 1502static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1503{ 1504 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1505} 1506 1507extern struct iwl_mod_params iwlagn_mod_params; 1508 1509static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1510 int txq_id, int idx) 1511{ 1512 if (priv->txq[txq_id].txb[idx].skb) 1513 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1514 txb[idx].skb->data; 1515 return NULL; 1516} 1517 1518static inline struct iwl_rxon_context * 1519iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1520{ 1521 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1522 1523 return vif_priv->ctx; 1524} 1525 1526#define for_each_context(priv, ctx) \ 1527 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1528 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1529 if (priv->valid_contexts & BIT(ctx->ctxid)) 1530 1531static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1532{ 1533 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1534} 1535 1536static inline int iwl_is_associated(struct iwl_priv *priv, 1537 enum iwl_rxon_context_id ctxid) 1538{ 1539 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 1540} 1541 1542static inline int iwl_is_any_associated(struct iwl_priv *priv) 1543{ 1544 struct iwl_rxon_context *ctx; 1545 for_each_context(priv, ctx) 1546 if (iwl_is_associated_ctx(ctx)) 1547 return true; 1548 return false; 1549} 1550 1551static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1552{ 1553 if (ch_info == NULL) 1554 return 0; 1555 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1556} 1557 1558static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1559{ 1560 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1561} 1562 1563static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1564{ 1565 return ch_info->band == IEEE80211_BAND_5GHZ; 1566} 1567 1568static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1569{ 1570 return ch_info->band == IEEE80211_BAND_2GHZ; 1571} 1572 1573static inline int is_channel_passive(const struct iwl_channel_info *ch) 1574{ 1575 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1576} 1577 1578static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1579{ 1580 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1581} 1582 1583static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1584{ 1585 __free_pages(page, hw_params(priv).rx_page_order); 1586} 1587 1588static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1589{ 1590 free_pages(page, hw_params(priv).rx_page_order); 1591} 1592#endif /* __iwl_dev_h__ */ 1593