iwl-dev.h revision c8ac61cf6e53fefb3b439fc58390fb65d2730e63
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/pci.h> /* for struct pci_device_id */ 35#include <linux/kernel.h> 36#include <linux/wait.h> 37#include <linux/leds.h> 38#include <net/ieee80211_radiotap.h> 39 40#include "iwl-eeprom.h" 41#include "iwl-csr.h" 42#include "iwl-prph.h" 43#include "iwl-fh.h" 44#include "iwl-debug.h" 45#include "iwl-agn-hw.h" 46#include "iwl-led.h" 47#include "iwl-power.h" 48#include "iwl-agn-rs.h" 49#include "iwl-agn-tt.h" 50#include "iwl-bus.h" 51#include "iwl-trans.h" 52 53#define DRV_NAME "iwlagn" 54 55struct iwl_tx_queue; 56 57/* CT-KILL constants */ 58#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 59#define CT_KILL_THRESHOLD 114 /* in Celsius */ 60#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 61 62/* Default noise level to report when noise measurement is not available. 63 * This may be because we're: 64 * 1) Not associated (4965, no beacon statistics being sent to driver) 65 * 2) Scanning (noise measurement does not apply to associated channel) 66 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 67 * Use default noise value of -127 ... this is below the range of measurable 68 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 69 * Also, -127 works better than 0 when averaging frames with/without 70 * noise info (e.g. averaging might be done in app); measured dBm values are 71 * always negative ... using a negative value as the default keeps all 72 * averages within an s8's (used in some apps) range of negative values. */ 73#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 74 75/* 76 * RTS threshold here is total size [2347] minus 4 FCS bytes 77 * Per spec: 78 * a value of 0 means RTS on all data/management packets 79 * a value > max MSDU size means no RTS 80 * else RTS for data/management frames where MPDU is larger 81 * than RTS value. 82 */ 83#define DEFAULT_RTS_THRESHOLD 2347U 84#define MIN_RTS_THRESHOLD 0U 85#define MAX_RTS_THRESHOLD 2347U 86#define MAX_MSDU_SIZE 2304U 87#define MAX_MPDU_SIZE 2346U 88#define DEFAULT_BEACON_INTERVAL 200U 89#define DEFAULT_SHORT_RETRY_LIMIT 7U 90#define DEFAULT_LONG_RETRY_LIMIT 4U 91 92struct iwl_rx_mem_buffer { 93 dma_addr_t page_dma; 94 struct page *page; 95 struct list_head list; 96}; 97 98#define rxb_addr(r) page_address(r->page) 99 100/* defined below */ 101struct iwl_device_cmd; 102 103struct iwl_cmd_meta { 104 /* only for SYNC commands, iff the reply skb is wanted */ 105 struct iwl_host_cmd *source; 106 /* 107 * only for ASYNC commands 108 * (which is somewhat stupid -- look at iwl-sta.c for instance 109 * which duplicates a bunch of code because the callback isn't 110 * invoked for SYNC commands, if it were and its result passed 111 * through it would be simpler...) 112 */ 113 void (*callback)(struct iwl_priv *priv, 114 struct iwl_device_cmd *cmd, 115 struct iwl_rx_packet *pkt); 116 117 u32 flags; 118 119 DEFINE_DMA_UNMAP_ADDR(mapping); 120 DEFINE_DMA_UNMAP_LEN(len); 121}; 122 123/* 124 * Generic queue structure 125 * 126 * Contains common data for Rx and Tx queues. 127 * 128 * Note the difference between n_bd and n_window: the hardware 129 * always assumes 256 descriptors, so n_bd is always 256 (unless 130 * there might be HW changes in the future). For the normal TX 131 * queues, n_window, which is the size of the software queue data 132 * is also 256; however, for the command queue, n_window is only 133 * 32 since we don't need so many commands pending. Since the HW 134 * still uses 256 BDs for DMA though, n_bd stays 256. As a result, 135 * the software buffers (in the variables @meta, @txb in struct 136 * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds 137 * in the same struct) have 256. 138 * This means that we end up with the following: 139 * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | 140 * SW entries: | 0 | ... | 31 | 141 * where N is a number between 0 and 7. This means that the SW 142 * data is a window overlayed over the HW queue. 143 */ 144struct iwl_queue { 145 int n_bd; /* number of BDs in this queue */ 146 int write_ptr; /* 1-st empty entry (index) host_w*/ 147 int read_ptr; /* last used entry (index) host_r*/ 148 /* use for monitoring and recovering the stuck queue */ 149 dma_addr_t dma_addr; /* physical addr for BD's */ 150 int n_window; /* safe queue window */ 151 u32 id; 152 int low_mark; /* low watermark, resume queue if free 153 * space more than this */ 154 int high_mark; /* high watermark, stop queue if free 155 * space less than this */ 156}; 157 158/* One for each TFD */ 159struct iwl_tx_info { 160 struct sk_buff *skb; 161 struct iwl_rxon_context *ctx; 162}; 163 164/** 165 * struct iwl_tx_queue - Tx Queue for DMA 166 * @q: generic Rx/Tx queue descriptor 167 * @bd: base of circular buffer of TFDs 168 * @cmd: array of command/TX buffer pointers 169 * @meta: array of meta data for each command/tx buffer 170 * @dma_addr_cmd: physical address of cmd/tx buffer array 171 * @txb: array of per-TFD driver data 172 * @time_stamp: time (in jiffies) of last read_ptr change 173 * @need_update: indicates need to update read/write index 174 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 175 * 176 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 177 * descriptors) and required locking structures. 178 */ 179#define TFD_TX_CMD_SLOTS 256 180#define TFD_CMD_SLOTS 32 181 182struct iwl_tx_queue { 183 struct iwl_queue q; 184 struct iwl_tfd *tfds; 185 struct iwl_device_cmd **cmd; 186 struct iwl_cmd_meta *meta; 187 struct iwl_tx_info *txb; 188 unsigned long time_stamp; 189 u8 need_update; 190 u8 sched_retry; 191 u8 active; 192 u8 swq_id; 193}; 194 195#define IWL_NUM_SCAN_RATES (2) 196 197/* 198 * One for each channel, holds all channel setup data 199 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 200 * with one another! 201 */ 202struct iwl_channel_info { 203 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 204 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 205 * HT40 channel */ 206 207 u8 channel; /* channel number */ 208 u8 flags; /* flags copied from EEPROM */ 209 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 210 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 211 s8 min_power; /* always 0 */ 212 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 213 214 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 215 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 216 enum ieee80211_band band; 217 218 /* HT40 channel info */ 219 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 220 u8 ht40_flags; /* flags copied from EEPROM */ 221 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 222}; 223 224#define IWL_TX_FIFO_BK 0 /* shared */ 225#define IWL_TX_FIFO_BE 1 226#define IWL_TX_FIFO_VI 2 /* shared */ 227#define IWL_TX_FIFO_VO 3 228#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 229#define IWL_TX_FIFO_BE_IPAN 4 230#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 231#define IWL_TX_FIFO_VO_IPAN 5 232#define IWL_TX_FIFO_UNUSED -1 233 234/* Minimum number of queues. MAX_NUM is defined in hw specific files. 235 * Set the minimum to accommodate the 4 standard TX queues, 1 command 236 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 237#define IWL_MIN_NUM_QUEUES 10 238 239/* 240 * Command queue depends on iPAN support. 241 */ 242#define IWL_DEFAULT_CMD_QUEUE_NUM 4 243#define IWL_IPAN_CMD_QUEUE_NUM 9 244 245/* 246 * This queue number is required for proper operation 247 * because the ucode will stop/start the scheduler as 248 * required. 249 */ 250#define IWL_IPAN_MCAST_QUEUE 8 251 252#define IEEE80211_DATA_LEN 2304 253#define IEEE80211_4ADDR_LEN 30 254#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 255#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 256 257 258#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 259#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 260#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 261 262enum { 263 CMD_SYNC = 0, 264 CMD_ASYNC = BIT(0), 265 CMD_WANT_SKB = BIT(1), 266 CMD_ON_DEMAND = BIT(2), 267}; 268 269#define DEF_CMD_PAYLOAD_SIZE 320 270 271/** 272 * struct iwl_device_cmd 273 * 274 * For allocation of the command and tx queues, this establishes the overall 275 * size of the largest command we send to uCode, except for commands that 276 * aren't fully copied and use other TFD space. 277 */ 278struct iwl_device_cmd { 279 struct iwl_cmd_header hdr; /* uCode API */ 280 union { 281 u32 flags; 282 u8 val8; 283 u16 val16; 284 u32 val32; 285 struct iwl_tx_cmd tx; 286 struct iwl6000_channel_switch_cmd chswitch; 287 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 288 } __packed cmd; 289} __packed; 290 291#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 292 293#define IWL_MAX_CMD_TFDS 2 294 295enum iwl_hcmd_dataflag { 296 IWL_HCMD_DFL_NOCOPY = BIT(0), 297}; 298 299/** 300 * struct iwl_host_cmd - Host command to the uCode 301 * @data: array of chunks that composes the data of the host command 302 * @reply_page: pointer to the page that holds the response to the host command 303 * @callback: 304 * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC 305 * @len: array of the lenths of the chunks in data 306 * @dataflags: 307 * @id: id of the host command 308 */ 309struct iwl_host_cmd { 310 const void *data[IWL_MAX_CMD_TFDS]; 311 unsigned long reply_page; 312 void (*callback)(struct iwl_priv *priv, 313 struct iwl_device_cmd *cmd, 314 struct iwl_rx_packet *pkt); 315 u32 flags; 316 u16 len[IWL_MAX_CMD_TFDS]; 317 u8 dataflags[IWL_MAX_CMD_TFDS]; 318 u8 id; 319}; 320 321#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 322#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 323#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 324 325/** 326 * struct iwl_rx_queue - Rx queue 327 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 328 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) 329 * @read: Shared index to newest available Rx buffer 330 * @write: Shared index to oldest written Rx packet 331 * @free_count: Number of pre-allocated buffers in rx_free 332 * @rx_free: list of free SKBs for use 333 * @rx_used: List of Rx buffers with no SKB 334 * @need_update: flag to indicate we need to update read/write index 335 * @rb_stts: driver's pointer to receive buffer status 336 * @rb_stts_dma: bus address of receive buffer status 337 * 338 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 339 */ 340struct iwl_rx_queue { 341 __le32 *bd; 342 dma_addr_t bd_dma; 343 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 344 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 345 u32 read; 346 u32 write; 347 u32 free_count; 348 u32 write_actual; 349 struct list_head rx_free; 350 struct list_head rx_used; 351 int need_update; 352 struct iwl_rb_status *rb_stts; 353 dma_addr_t rb_stts_dma; 354 spinlock_t lock; 355}; 356 357#define IWL_SUPPORTED_RATES_IE_LEN 8 358 359#define MAX_TID_COUNT 9 360 361#define IWL_INVALID_RATE 0xFF 362#define IWL_INVALID_VALUE -1 363 364/** 365 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 366 * @txq_id: Tx queue used for Tx attempt 367 * @frame_count: # frames attempted by Tx command 368 * @wait_for_ba: Expect block-ack before next Tx reply 369 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 370 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 371 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 372 * @rate_n_flags: Rate at which Tx was attempted 373 * 374 * If REPLY_TX indicates that aggregation was attempted, driver must wait 375 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 376 * until block ack arrives. 377 */ 378struct iwl_ht_agg { 379 u16 txq_id; 380 u16 frame_count; 381 u16 wait_for_ba; 382 u16 start_idx; 383 u64 bitmap; 384 u32 rate_n_flags; 385#define IWL_AGG_OFF 0 386#define IWL_AGG_ON 1 387#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 388#define IWL_EMPTYING_HW_QUEUE_DELBA 3 389 u8 state; 390 u8 tx_fifo; 391}; 392 393 394struct iwl_tid_data { 395 u16 seq_number; /* agn only */ 396 u16 tfds_in_queue; 397 struct iwl_ht_agg agg; 398}; 399 400union iwl_ht_rate_supp { 401 u16 rates; 402 struct { 403 u8 siso_rate; 404 u8 mimo_rate; 405 }; 406}; 407 408#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 409#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 410#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 411#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 412#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 413#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 414#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 415 416/* 417 * Maximal MPDU density for TX aggregation 418 * 4 - 2us density 419 * 5 - 4us density 420 * 6 - 8us density 421 * 7 - 16us density 422 */ 423#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 424#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 425#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 426#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 427#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 428#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 429#define CFG_HT_MPDU_DENSITY_MIN (0x1) 430 431struct iwl_ht_config { 432 bool single_chain_sufficient; 433 enum ieee80211_smps_mode smps; /* current smps mode */ 434}; 435 436/* QoS structures */ 437struct iwl_qos_info { 438 int qos_active; 439 struct iwl_qosparam_cmd def_qos_parm; 440}; 441 442/* 443 * Structure should be accessed with sta_lock held. When station addition 444 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 445 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 446 * held. 447 */ 448struct iwl_station_entry { 449 struct iwl_addsta_cmd sta; 450 struct iwl_tid_data tid[MAX_TID_COUNT]; 451 u8 used, ctxid; 452 struct iwl_link_quality_cmd *lq; 453}; 454 455struct iwl_station_priv_common { 456 struct iwl_rxon_context *ctx; 457 u8 sta_id; 458}; 459 460/* 461 * iwl_station_priv: Driver's private station information 462 * 463 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 464 * in the structure for use by driver. This structure is places in that 465 * space. 466 */ 467struct iwl_station_priv { 468 struct iwl_station_priv_common common; 469 struct iwl_lq_sta lq_sta; 470 atomic_t pending_frames; 471 bool client; 472 bool asleep; 473 u8 max_agg_bufsize; 474}; 475 476/** 477 * struct iwl_vif_priv - driver's private per-interface information 478 * 479 * When mac80211 allocates a virtual interface, it can allocate 480 * space for us to put data into. 481 */ 482struct iwl_vif_priv { 483 struct iwl_rxon_context *ctx; 484 u8 ibss_bssid_sta_id; 485}; 486 487/* one for each uCode image (inst/data, boot/init/runtime) */ 488struct fw_desc { 489 void *v_addr; /* access by driver */ 490 dma_addr_t p_addr; /* access by card's busmaster DMA */ 491 u32 len; /* bytes */ 492}; 493 494struct fw_img { 495 struct fw_desc code, data; 496}; 497 498/* v1/v2 uCode file layout */ 499struct iwl_ucode_header { 500 __le32 ver; /* major/minor/API/serial */ 501 union { 502 struct { 503 __le32 inst_size; /* bytes of runtime code */ 504 __le32 data_size; /* bytes of runtime data */ 505 __le32 init_size; /* bytes of init code */ 506 __le32 init_data_size; /* bytes of init data */ 507 __le32 boot_size; /* bytes of bootstrap code */ 508 u8 data[0]; /* in same order as sizes */ 509 } v1; 510 struct { 511 __le32 build; /* build number */ 512 __le32 inst_size; /* bytes of runtime code */ 513 __le32 data_size; /* bytes of runtime data */ 514 __le32 init_size; /* bytes of init code */ 515 __le32 init_data_size; /* bytes of init data */ 516 __le32 boot_size; /* bytes of bootstrap code */ 517 u8 data[0]; /* in same order as sizes */ 518 } v2; 519 } u; 520}; 521 522/* 523 * new TLV uCode file layout 524 * 525 * The new TLV file format contains TLVs, that each specify 526 * some piece of data. To facilitate "groups", for example 527 * different instruction image with different capabilities, 528 * bundled with the same init image, an alternative mechanism 529 * is provided: 530 * When the alternative field is 0, that means that the item 531 * is always valid. When it is non-zero, then it is only 532 * valid in conjunction with items of the same alternative, 533 * in which case the driver (user) selects one alternative 534 * to use. 535 */ 536 537enum iwl_ucode_tlv_type { 538 IWL_UCODE_TLV_INVALID = 0, /* unused */ 539 IWL_UCODE_TLV_INST = 1, 540 IWL_UCODE_TLV_DATA = 2, 541 IWL_UCODE_TLV_INIT = 3, 542 IWL_UCODE_TLV_INIT_DATA = 4, 543 IWL_UCODE_TLV_BOOT = 5, 544 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 545 IWL_UCODE_TLV_PAN = 7, 546 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 547 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 548 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 549 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 550 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 551 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 552 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 553 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 554 IWL_UCODE_TLV_WOWLAN_INST = 16, 555 IWL_UCODE_TLV_WOWLAN_DATA = 17, 556 IWL_UCODE_TLV_FLAGS = 18, 557}; 558 559/** 560 * enum iwl_ucode_tlv_flag - ucode API flags 561 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 562 * was a separate TLV but moved here to save space. 563 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, 564 * treats good CRC threshold as a boolean 565 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 566 */ 567enum iwl_ucode_tlv_flag { 568 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 569 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), 570 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 571}; 572 573struct iwl_ucode_tlv { 574 __le16 type; /* see above */ 575 __le16 alternative; /* see comment */ 576 __le32 length; /* not including type/length fields */ 577 u8 data[0]; 578} __packed; 579 580#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 581 582struct iwl_tlv_ucode_header { 583 /* 584 * The TLV style ucode header is distinguished from 585 * the v1/v2 style header by first four bytes being 586 * zero, as such is an invalid combination of 587 * major/minor/API/serial versions. 588 */ 589 __le32 zero; 590 __le32 magic; 591 u8 human_readable[64]; 592 __le32 ver; /* major/minor/API/serial */ 593 __le32 build; 594 __le64 alternatives; /* bitmask of valid alternatives */ 595 /* 596 * The data contained herein has a TLV layout, 597 * see above for the TLV header and types. 598 * Note that each TLV is padded to a length 599 * that is a multiple of 4 for alignment. 600 */ 601 u8 data[0]; 602}; 603 604struct iwl_sensitivity_ranges { 605 u16 min_nrg_cck; 606 u16 max_nrg_cck; 607 608 u16 nrg_th_cck; 609 u16 nrg_th_ofdm; 610 611 u16 auto_corr_min_ofdm; 612 u16 auto_corr_min_ofdm_mrc; 613 u16 auto_corr_min_ofdm_x1; 614 u16 auto_corr_min_ofdm_mrc_x1; 615 616 u16 auto_corr_max_ofdm; 617 u16 auto_corr_max_ofdm_mrc; 618 u16 auto_corr_max_ofdm_x1; 619 u16 auto_corr_max_ofdm_mrc_x1; 620 621 u16 auto_corr_max_cck; 622 u16 auto_corr_max_cck_mrc; 623 u16 auto_corr_min_cck; 624 u16 auto_corr_min_cck_mrc; 625 626 u16 barker_corr_th_min; 627 u16 barker_corr_th_min_mrc; 628 u16 nrg_th_cca; 629}; 630 631 632#define KELVIN_TO_CELSIUS(x) ((x)-273) 633#define CELSIUS_TO_KELVIN(x) ((x)+273) 634 635 636/** 637 * struct iwl_hw_params 638 * @max_txq_num: Max # Tx queues supported 639 * @scd_bc_tbls_size: size of scheduler byte count tables 640 * @tfd_size: TFD size 641 * @tx/rx_chains_num: Number of TX/RX chains 642 * @valid_tx/rx_ant: usable antennas 643 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 644 * @max_rxq_log: Log-base-2 of max_rxq_size 645 * @rx_page_order: Rx buffer page order 646 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 647 * @max_stations: 648 * @ht40_channel: is 40MHz width possible in band 2.4 649 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 650 * @sw_crypto: 0 for hw, 1 for sw 651 * @max_xxx_size: for ucode uses 652 * @ct_kill_threshold: temperature threshold 653 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time 654 * @calib_init_cfg: setup initial calibrations for the hw 655 * @calib_rt_cfg: setup runtime calibrations for the hw 656 * @struct iwl_sensitivity_ranges: range of sensitivity values 657 */ 658struct iwl_hw_params { 659 u8 max_txq_num; 660 u16 scd_bc_tbls_size; 661 u32 tfd_size; 662 u8 tx_chains_num; 663 u8 rx_chains_num; 664 u8 valid_tx_ant; 665 u8 valid_rx_ant; 666 u16 max_rxq_size; 667 u16 max_rxq_log; 668 u32 rx_page_order; 669 u8 max_stations; 670 u8 ht40_channel; 671 u8 max_beacon_itrvl; /* in 1024 ms */ 672 u32 max_inst_size; 673 u32 max_data_size; 674 u32 ct_kill_threshold; /* value in hw-dependent units */ 675 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 676 /* for 1000, 6000 series and up */ 677 u16 beacon_time_tsf_bits; 678 u32 calib_init_cfg; 679 u32 calib_rt_cfg; 680 const struct iwl_sensitivity_ranges *sens; 681}; 682 683 684/****************************************************************************** 685 * 686 * Functions implemented in core module which are forward declared here 687 * for use by iwl-[4-5].c 688 * 689 * NOTE: The implementation of these functions are not hardware specific 690 * which is why they are in the core module files. 691 * 692 * Naming convention -- 693 * iwl_ <-- Is part of iwlwifi 694 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 695 * 696 ****************************************************************************/ 697extern void iwl_update_chain_flags(struct iwl_priv *priv); 698extern const u8 iwl_bcast_addr[ETH_ALEN]; 699extern int iwl_queue_space(const struct iwl_queue *q); 700static inline int iwl_queue_used(const struct iwl_queue *q, int i) 701{ 702 return q->write_ptr >= q->read_ptr ? 703 (i >= q->read_ptr && i < q->write_ptr) : 704 !(i < q->read_ptr && i >= q->write_ptr); 705} 706 707 708static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) 709{ 710 return index & (q->n_window - 1); 711} 712 713 714struct iwl_dma_ptr { 715 dma_addr_t dma; 716 void *addr; 717 size_t size; 718}; 719 720#define IWL_OPERATION_MODE_AUTO 0 721#define IWL_OPERATION_MODE_HT_ONLY 1 722#define IWL_OPERATION_MODE_MIXED 2 723#define IWL_OPERATION_MODE_20MHZ 3 724 725#define IWL_TX_CRC_SIZE 4 726#define IWL_TX_DELIMITER_SIZE 4 727 728#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 729 730/* Sensitivity and chain noise calibration */ 731#define INITIALIZATION_VALUE 0xFFFF 732#define IWL_CAL_NUM_BEACONS 16 733#define MAXIMUM_ALLOWED_PATHLOSS 15 734 735#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 736 737#define MAX_FA_OFDM 50 738#define MIN_FA_OFDM 5 739#define MAX_FA_CCK 50 740#define MIN_FA_CCK 5 741 742#define AUTO_CORR_STEP_OFDM 1 743 744#define AUTO_CORR_STEP_CCK 3 745#define AUTO_CORR_MAX_TH_CCK 160 746 747#define NRG_DIFF 2 748#define NRG_STEP_CCK 2 749#define NRG_MARGIN 8 750#define MAX_NUMBER_CCK_NO_FA 100 751 752#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 753 754#define CHAIN_A 0 755#define CHAIN_B 1 756#define CHAIN_C 2 757#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 758#define ALL_BAND_FILTER 0xFF00 759#define IN_BAND_FILTER 0xFF 760#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 761 762#define NRG_NUM_PREV_STAT_L 20 763#define NUM_RX_CHAINS 3 764 765enum iwlagn_false_alarm_state { 766 IWL_FA_TOO_MANY = 0, 767 IWL_FA_TOO_FEW = 1, 768 IWL_FA_GOOD_RANGE = 2, 769}; 770 771enum iwlagn_chain_noise_state { 772 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 773 IWL_CHAIN_NOISE_ACCUMULATE, 774 IWL_CHAIN_NOISE_CALIBRATED, 775 IWL_CHAIN_NOISE_DONE, 776}; 777 778 779/* 780 * enum iwl_calib 781 * defines the order in which results of initial calibrations 782 * should be sent to the runtime uCode 783 */ 784enum iwl_calib { 785 IWL_CALIB_XTAL, 786 IWL_CALIB_DC, 787 IWL_CALIB_LO, 788 IWL_CALIB_TX_IQ, 789 IWL_CALIB_TX_IQ_PERD, 790 IWL_CALIB_BASE_BAND, 791 IWL_CALIB_TEMP_OFFSET, 792 IWL_CALIB_MAX 793}; 794 795/* Opaque calibration results */ 796struct iwl_calib_result { 797 void *buf; 798 size_t buf_len; 799}; 800 801/* Sensitivity calib data */ 802struct iwl_sensitivity_data { 803 u32 auto_corr_ofdm; 804 u32 auto_corr_ofdm_mrc; 805 u32 auto_corr_ofdm_x1; 806 u32 auto_corr_ofdm_mrc_x1; 807 u32 auto_corr_cck; 808 u32 auto_corr_cck_mrc; 809 810 u32 last_bad_plcp_cnt_ofdm; 811 u32 last_fa_cnt_ofdm; 812 u32 last_bad_plcp_cnt_cck; 813 u32 last_fa_cnt_cck; 814 815 u32 nrg_curr_state; 816 u32 nrg_prev_state; 817 u32 nrg_value[10]; 818 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 819 u32 nrg_silence_ref; 820 u32 nrg_energy_idx; 821 u32 nrg_silence_idx; 822 u32 nrg_th_cck; 823 s32 nrg_auto_corr_silence_diff; 824 u32 num_in_cck_no_fa; 825 u32 nrg_th_ofdm; 826 827 u16 barker_corr_th_min; 828 u16 barker_corr_th_min_mrc; 829 u16 nrg_th_cca; 830}; 831 832/* Chain noise (differential Rx gain) calib data */ 833struct iwl_chain_noise_data { 834 u32 active_chains; 835 u32 chain_noise_a; 836 u32 chain_noise_b; 837 u32 chain_noise_c; 838 u32 chain_signal_a; 839 u32 chain_signal_b; 840 u32 chain_signal_c; 841 u16 beacon_count; 842 u8 disconn_array[NUM_RX_CHAINS]; 843 u8 delta_gain_code[NUM_RX_CHAINS]; 844 u8 radio_write; 845 u8 state; 846}; 847 848#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 849#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 850 851#define IWL_TRAFFIC_ENTRIES (256) 852#define IWL_TRAFFIC_ENTRY_SIZE (64) 853 854enum { 855 MEASUREMENT_READY = (1 << 0), 856 MEASUREMENT_ACTIVE = (1 << 1), 857}; 858 859enum iwl_nvm_type { 860 NVM_DEVICE_TYPE_EEPROM = 0, 861 NVM_DEVICE_TYPE_OTP, 862}; 863 864/* 865 * Two types of OTP memory access modes 866 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 867 * based on physical memory addressing 868 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 869 * based on logical memory addressing 870 */ 871enum iwl_access_mode { 872 IWL_OTP_ACCESS_ABSOLUTE, 873 IWL_OTP_ACCESS_RELATIVE, 874}; 875 876/** 877 * enum iwl_pa_type - Power Amplifier type 878 * @IWL_PA_SYSTEM: based on uCode configuration 879 * @IWL_PA_INTERNAL: use Internal only 880 */ 881enum iwl_pa_type { 882 IWL_PA_SYSTEM = 0, 883 IWL_PA_INTERNAL = 1, 884}; 885 886/* interrupt statistics */ 887struct isr_statistics { 888 u32 hw; 889 u32 sw; 890 u32 err_code; 891 u32 sch; 892 u32 alive; 893 u32 rfkill; 894 u32 ctkill; 895 u32 wakeup; 896 u32 rx; 897 u32 rx_handlers[REPLY_MAX]; 898 u32 tx; 899 u32 unhandled; 900}; 901 902/* reply_tx_statistics (for _agn devices) */ 903struct reply_tx_error_statistics { 904 u32 pp_delay; 905 u32 pp_few_bytes; 906 u32 pp_bt_prio; 907 u32 pp_quiet_period; 908 u32 pp_calc_ttak; 909 u32 int_crossed_retry; 910 u32 short_limit; 911 u32 long_limit; 912 u32 fifo_underrun; 913 u32 drain_flow; 914 u32 rfkill_flush; 915 u32 life_expire; 916 u32 dest_ps; 917 u32 host_abort; 918 u32 bt_retry; 919 u32 sta_invalid; 920 u32 frag_drop; 921 u32 tid_disable; 922 u32 fifo_flush; 923 u32 insuff_cf_poll; 924 u32 fail_hw_drop; 925 u32 sta_color_mismatch; 926 u32 unknown; 927}; 928 929/* reply_agg_tx_statistics (for _agn devices) */ 930struct reply_agg_tx_error_statistics { 931 u32 underrun; 932 u32 bt_prio; 933 u32 few_bytes; 934 u32 abort; 935 u32 last_sent_ttl; 936 u32 last_sent_try; 937 u32 last_sent_bt_kill; 938 u32 scd_query; 939 u32 bad_crc32; 940 u32 response; 941 u32 dump_tx; 942 u32 delay_tx; 943 u32 unknown; 944}; 945 946/* management statistics */ 947enum iwl_mgmt_stats { 948 MANAGEMENT_ASSOC_REQ = 0, 949 MANAGEMENT_ASSOC_RESP, 950 MANAGEMENT_REASSOC_REQ, 951 MANAGEMENT_REASSOC_RESP, 952 MANAGEMENT_PROBE_REQ, 953 MANAGEMENT_PROBE_RESP, 954 MANAGEMENT_BEACON, 955 MANAGEMENT_ATIM, 956 MANAGEMENT_DISASSOC, 957 MANAGEMENT_AUTH, 958 MANAGEMENT_DEAUTH, 959 MANAGEMENT_ACTION, 960 MANAGEMENT_MAX, 961}; 962/* control statistics */ 963enum iwl_ctrl_stats { 964 CONTROL_BACK_REQ = 0, 965 CONTROL_BACK, 966 CONTROL_PSPOLL, 967 CONTROL_RTS, 968 CONTROL_CTS, 969 CONTROL_ACK, 970 CONTROL_CFEND, 971 CONTROL_CFENDACK, 972 CONTROL_MAX, 973}; 974 975struct traffic_stats { 976#ifdef CONFIG_IWLWIFI_DEBUGFS 977 u32 mgmt[MANAGEMENT_MAX]; 978 u32 ctrl[CONTROL_MAX]; 979 u32 data_cnt; 980 u64 data_bytes; 981#endif 982}; 983 984/* 985 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 986 * to perform continuous uCode event logging operation if enabled 987 */ 988#define UCODE_TRACE_PERIOD (100) 989 990/* 991 * iwl_event_log: current uCode event log position 992 * 993 * @ucode_trace: enable/disable ucode continuous trace timer 994 * @num_wraps: how many times the event buffer wraps 995 * @next_entry: the entry just before the next one that uCode would fill 996 * @non_wraps_count: counter for no wrap detected when dump ucode events 997 * @wraps_once_count: counter for wrap once detected when dump ucode events 998 * @wraps_more_count: counter for wrap more than once detected 999 * when dump ucode events 1000 */ 1001struct iwl_event_log { 1002 bool ucode_trace; 1003 u32 num_wraps; 1004 u32 next_entry; 1005 int non_wraps_count; 1006 int wraps_once_count; 1007 int wraps_more_count; 1008}; 1009 1010/* 1011 * host interrupt timeout value 1012 * used with setting interrupt coalescing timer 1013 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1014 * 1015 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1016 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1017 */ 1018#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 1019#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 1020#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 1021#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1022#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1023#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1024 1025/* 1026 * This is the threshold value of plcp error rate per 100mSecs. It is 1027 * used to set and check for the validity of plcp_delta. 1028 */ 1029#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 1030#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 1031#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 1032#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1033#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1034#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 1035 1036#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 1037#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1038 1039/* TX queue watchdog timeouts in mSecs */ 1040#define IWL_DEF_WD_TIMEOUT (2000) 1041#define IWL_LONG_WD_TIMEOUT (10000) 1042#define IWL_MAX_WD_TIMEOUT (120000) 1043 1044/* BT Antenna Coupling Threshold (dB) */ 1045#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 1046 1047/* Firmware reload counter and Timestamp */ 1048#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 1049#define IWL_MAX_CONTINUE_RELOAD_CNT 4 1050 1051 1052enum iwl_reset { 1053 IWL_RF_RESET = 0, 1054 IWL_FW_RESET, 1055 IWL_MAX_FORCE_RESET, 1056}; 1057 1058struct iwl_force_reset { 1059 int reset_request_count; 1060 int reset_success_count; 1061 int reset_reject_count; 1062 unsigned long reset_duration; 1063 unsigned long last_force_reset_jiffies; 1064}; 1065 1066/* extend beacon time format bit shifting */ 1067/* 1068 * for _agn devices 1069 * bits 31:22 - extended 1070 * bits 21:0 - interval 1071 */ 1072#define IWLAGN_EXT_BEACON_TIME_POS 22 1073 1074/** 1075 * struct iwl_notification_wait - notification wait entry 1076 * @list: list head for global list 1077 * @fn: function called with the notification 1078 * @cmd: command ID 1079 * 1080 * This structure is not used directly, to wait for a 1081 * notification declare it on the stack, and call 1082 * iwlagn_init_notification_wait() with appropriate 1083 * parameters. Then do whatever will cause the ucode 1084 * to notify the driver, and to wait for that then 1085 * call iwlagn_wait_notification(). 1086 * 1087 * Each notification is one-shot. If at some point we 1088 * need to support multi-shot notifications (which 1089 * can't be allocated on the stack) we need to modify 1090 * the code for them. 1091 */ 1092struct iwl_notification_wait { 1093 struct list_head list; 1094 1095 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 1096 void *data); 1097 void *fn_data; 1098 1099 u8 cmd; 1100 bool triggered, aborted; 1101}; 1102 1103enum iwl_rxon_context_id { 1104 IWL_RXON_CTX_BSS, 1105 IWL_RXON_CTX_PAN, 1106 1107 NUM_IWL_RXON_CTX 1108}; 1109 1110struct iwl_rxon_context { 1111 struct ieee80211_vif *vif; 1112 1113 const u8 *ac_to_fifo; 1114 const u8 *ac_to_queue; 1115 u8 mcast_queue; 1116 1117 /* 1118 * We could use the vif to indicate active, but we 1119 * also need it to be active during disabling when 1120 * we already removed the vif for type setting. 1121 */ 1122 bool always_active, is_active; 1123 1124 bool ht_need_multiple_chains; 1125 1126 enum iwl_rxon_context_id ctxid; 1127 1128 u32 interface_modes, exclusive_interface_modes; 1129 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 1130 1131 /* 1132 * We declare this const so it can only be 1133 * changed via explicit cast within the 1134 * routines that actually update the physical 1135 * hardware. 1136 */ 1137 const struct iwl_rxon_cmd active; 1138 struct iwl_rxon_cmd staging; 1139 1140 struct iwl_rxon_time_cmd timing; 1141 1142 struct iwl_qos_info qos_data; 1143 1144 u8 bcast_sta_id, ap_sta_id; 1145 1146 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1147 u8 qos_cmd; 1148 u8 wep_key_cmd; 1149 1150 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1151 u8 key_mapping_keys; 1152 1153 __le32 station_flags; 1154 1155 struct { 1156 bool non_gf_sta_present; 1157 u8 protection; 1158 bool enabled, is_40mhz; 1159 u8 extension_chan_offset; 1160 } ht; 1161 1162 bool last_tx_rejected; 1163}; 1164 1165enum iwl_scan_type { 1166 IWL_SCAN_NORMAL, 1167 IWL_SCAN_RADIO_RESET, 1168 IWL_SCAN_OFFCH_TX, 1169}; 1170 1171enum iwlagn_ucode_type { 1172 IWL_UCODE_NONE, 1173 IWL_UCODE_REGULAR, 1174 IWL_UCODE_INIT, 1175 IWL_UCODE_WOWLAN, 1176}; 1177 1178#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1179struct iwl_testmode_trace { 1180 u32 buff_size; 1181 u32 total_size; 1182 u32 num_chunks; 1183 u8 *cpu_addr; 1184 u8 *trace_addr; 1185 dma_addr_t dma_addr; 1186 bool trace_enabled; 1187}; 1188#endif 1189 1190/* uCode ownership */ 1191#define IWL_OWNERSHIP_DRIVER 0 1192#define IWL_OWNERSHIP_TM 1 1193 1194struct iwl_priv { 1195 1196 /* ieee device used by generic ieee processing code */ 1197 struct ieee80211_hw *hw; 1198 struct ieee80211_channel *ieee_channels; 1199 struct ieee80211_rate *ieee_rates; 1200 struct iwl_cfg *cfg; 1201 1202 enum ieee80211_band band; 1203 1204 void (*pre_rx_handler)(struct iwl_priv *priv, 1205 struct iwl_rx_mem_buffer *rxb); 1206 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1207 struct iwl_rx_mem_buffer *rxb); 1208 1209 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1210 1211 /* spectrum measurement report caching */ 1212 struct iwl_spectrum_notification measure_report; 1213 u8 measurement_status; 1214 1215 /* ucode beacon time */ 1216 u32 ucode_beacon_time; 1217 int missed_beacon_threshold; 1218 1219 /* track IBSS manager (last beacon) status */ 1220 u32 ibss_manager; 1221 1222 /* jiffies when last recovery from statistics was performed */ 1223 unsigned long rx_statistics_jiffies; 1224 1225 /* force reset */ 1226 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1227 1228 /* firmware reload counter and timestamp */ 1229 unsigned long reload_jiffies; 1230 int reload_count; 1231 1232 /* we allocate array of iwl_channel_info for NIC's valid channels. 1233 * Access via channel # using indirect index array */ 1234 struct iwl_channel_info *channel_info; /* channel info array */ 1235 u8 channel_count; /* # of channels */ 1236 1237 /* thermal calibration */ 1238 s32 temperature; /* degrees Kelvin */ 1239 s32 last_temperature; 1240 1241 /* init calibration results */ 1242 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1243 1244 /* Scan related variables */ 1245 unsigned long scan_start; 1246 unsigned long scan_start_tsf; 1247 void *scan_cmd; 1248 enum ieee80211_band scan_band; 1249 struct cfg80211_scan_request *scan_request; 1250 struct ieee80211_vif *scan_vif; 1251 enum iwl_scan_type scan_type; 1252 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1253 u8 mgmt_tx_ant; 1254 1255 /* spinlock */ 1256 spinlock_t lock; /* protect general shared data */ 1257 spinlock_t hcmd_lock; /* protect hcmd */ 1258 spinlock_t reg_lock; /* protect hw register access */ 1259 struct mutex mutex; 1260 1261 struct iwl_bus *bus; /* bus specific data */ 1262 struct iwl_trans trans; 1263 1264 /* microcode/device supports multiple contexts */ 1265 u8 valid_contexts; 1266 1267 /* command queue number */ 1268 u8 cmd_queue; 1269 1270 /* max number of station keys */ 1271 u8 sta_key_max_num; 1272 1273 bool new_scan_threshold_behaviour; 1274 1275 /* EEPROM MAC addresses */ 1276 struct mac_address addresses[2]; 1277 1278 /* uCode images, save to reload in case of failure */ 1279 int fw_index; /* firmware we're trying to load */ 1280 u32 ucode_ver; /* version of ucode, copy of 1281 iwl_ucode.ver */ 1282 1283 /* uCode owner: default: IWL_OWNERSHIP_DRIVER */ 1284 u8 ucode_owner; 1285 1286 struct fw_img ucode_rt; 1287 struct fw_img ucode_init; 1288 struct fw_img ucode_wowlan; 1289 1290 enum iwlagn_ucode_type ucode_type; 1291 u8 ucode_write_complete; /* the image write is complete */ 1292 char firmware_name[25]; 1293 1294 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1295 1296 __le16 switch_channel; 1297 1298 struct { 1299 u32 error_event_table; 1300 u32 log_event_table; 1301 } device_pointers; 1302 1303 u16 active_rate; 1304 1305 u8 start_calib; 1306 struct iwl_sensitivity_data sensitivity_data; 1307 struct iwl_chain_noise_data chain_noise_data; 1308 bool enhance_sensitivity_table; 1309 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1310 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1311 1312 struct iwl_ht_config current_ht_config; 1313 1314 /* Rate scaling data */ 1315 u8 retry_rate; 1316 1317 wait_queue_head_t wait_command_queue; 1318 1319 int activity_timer_active; 1320 1321 /* Rx and Tx DMA processing queues */ 1322 struct iwl_rx_queue rxq; 1323 struct iwl_tx_queue *txq; 1324 unsigned long txq_ctx_active_msk; 1325 struct iwl_dma_ptr kw; /* keep warm address */ 1326 struct iwl_dma_ptr scd_bc_tbls; 1327 1328 u32 scd_base_addr; /* scheduler sram base address */ 1329 1330 unsigned long status; 1331 1332 /* counts mgmt, ctl, and data packets */ 1333 struct traffic_stats tx_stats; 1334 struct traffic_stats rx_stats; 1335 1336 /* counts interrupts */ 1337 struct isr_statistics isr_stats; 1338 1339 struct iwl_power_mgr power_data; 1340 struct iwl_tt_mgmt thermal_throttle; 1341 1342 /* station table variables */ 1343 1344 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1345 spinlock_t sta_lock; 1346 int num_stations; 1347 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1348 unsigned long ucode_key_table; 1349 1350 /* queue refcounts */ 1351#define IWL_MAX_HW_QUEUES 32 1352 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1353 /* for each AC */ 1354 atomic_t queue_stop_count[4]; 1355 1356 /* Indication if ieee80211_ops->open has been called */ 1357 u8 is_open; 1358 1359 u8 mac80211_registered; 1360 1361 bool wowlan; 1362 1363 /* eeprom -- this is in the card's little endian byte order */ 1364 u8 *eeprom; 1365 int nvm_device_type; 1366 struct iwl_eeprom_calib_info *calib_info; 1367 1368 enum nl80211_iftype iw_mode; 1369 1370 /* Last Rx'd beacon timestamp */ 1371 u64 timestamp; 1372 1373 struct { 1374 __le32 flag; 1375 struct statistics_general_common common; 1376 struct statistics_rx_non_phy rx_non_phy; 1377 struct statistics_rx_phy rx_ofdm; 1378 struct statistics_rx_ht_phy rx_ofdm_ht; 1379 struct statistics_rx_phy rx_cck; 1380 struct statistics_tx tx; 1381#ifdef CONFIG_IWLWIFI_DEBUGFS 1382 struct statistics_bt_activity bt_activity; 1383 __le32 num_bt_kills, accum_num_bt_kills; 1384#endif 1385 } statistics; 1386#ifdef CONFIG_IWLWIFI_DEBUGFS 1387 struct { 1388 struct statistics_general_common common; 1389 struct statistics_rx_non_phy rx_non_phy; 1390 struct statistics_rx_phy rx_ofdm; 1391 struct statistics_rx_ht_phy rx_ofdm_ht; 1392 struct statistics_rx_phy rx_cck; 1393 struct statistics_tx tx; 1394 struct statistics_bt_activity bt_activity; 1395 } accum_stats, delta_stats, max_delta_stats; 1396#endif 1397 1398 /* INT ICT Table */ 1399 __le32 *ict_tbl; 1400 void *ict_tbl_vir; 1401 dma_addr_t ict_tbl_dma; 1402 dma_addr_t aligned_ict_tbl_dma; 1403 int ict_index; 1404 u32 inta; 1405 bool use_ict; 1406 /* 1407 * reporting the number of tids has AGG on. 0 means 1408 * no AGGREGATION 1409 */ 1410 u8 agg_tids_count; 1411 1412 struct iwl_rx_phy_res last_phy_res; 1413 bool last_phy_res_valid; 1414 1415 struct completion firmware_loading_complete; 1416 1417 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1418 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1419 1420 /* 1421 * chain noise reset and gain commands are the 1422 * two extra calibration commands follows the standard 1423 * phy calibration commands 1424 */ 1425 u8 phy_calib_chain_noise_reset_cmd; 1426 u8 phy_calib_chain_noise_gain_cmd; 1427 1428 /* counts reply_tx error */ 1429 struct reply_tx_error_statistics reply_tx_stats; 1430 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1431 /* notification wait support */ 1432 struct list_head notif_waits; 1433 spinlock_t notif_wait_lock; 1434 wait_queue_head_t notif_waitq; 1435 1436 /* remain-on-channel offload support */ 1437 struct ieee80211_channel *hw_roc_channel; 1438 struct delayed_work hw_roc_work; 1439 enum nl80211_channel_type hw_roc_chantype; 1440 int hw_roc_duration; 1441 bool hw_roc_setup; 1442 1443 struct sk_buff *offchan_tx_skb; 1444 int offchan_tx_timeout; 1445 struct ieee80211_channel *offchan_tx_chan; 1446 1447 /* bt coex */ 1448 u8 bt_enable_flag; 1449 u8 bt_status; 1450 u8 bt_traffic_load, last_bt_traffic_load; 1451 bool bt_ch_announce; 1452 bool bt_full_concurrent; 1453 bool bt_ant_couple_ok; 1454 __le32 kill_ack_mask; 1455 __le32 kill_cts_mask; 1456 __le16 bt_valid; 1457 u16 bt_on_thresh; 1458 u16 bt_duration; 1459 u16 dynamic_frag_thresh; 1460 u8 bt_ci_compliance; 1461 struct work_struct bt_traffic_change_work; 1462 bool bt_enable_pspoll; 1463 struct iwl_rxon_context *cur_rssi_ctx; 1464 bool bt_is_sco; 1465 1466 struct iwl_hw_params hw_params; 1467 1468 u32 inta_mask; 1469 1470 struct workqueue_struct *workqueue; 1471 1472 struct work_struct restart; 1473 struct work_struct scan_completed; 1474 struct work_struct rx_replenish; 1475 struct work_struct abort_scan; 1476 1477 struct work_struct beacon_update; 1478 struct iwl_rxon_context *beacon_ctx; 1479 struct sk_buff *beacon_skb; 1480 void *beacon_cmd; 1481 1482 struct work_struct tt_work; 1483 struct work_struct ct_enter; 1484 struct work_struct ct_exit; 1485 struct work_struct start_internal_scan; 1486 struct work_struct tx_flush; 1487 struct work_struct bt_full_concurrency; 1488 struct work_struct bt_runtime_config; 1489 1490 struct tasklet_struct irq_tasklet; 1491 1492 struct delayed_work scan_check; 1493 1494 /* TX Power */ 1495 s8 tx_power_user_lmt; 1496 s8 tx_power_device_lmt; 1497 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1498 s8 tx_power_next; 1499 1500 1501#ifdef CONFIG_IWLWIFI_DEBUG 1502 /* debugging info */ 1503 u32 debug_level; /* per device debugging will override global 1504 iwl_debug_level if set */ 1505#endif /* CONFIG_IWLWIFI_DEBUG */ 1506#ifdef CONFIG_IWLWIFI_DEBUGFS 1507 /* debugfs */ 1508 u16 tx_traffic_idx; 1509 u16 rx_traffic_idx; 1510 u8 *tx_traffic; 1511 u8 *rx_traffic; 1512 struct dentry *debugfs_dir; 1513 u32 dbgfs_sram_offset, dbgfs_sram_len; 1514 bool disable_ht40; 1515 void *wowlan_sram; 1516#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1517 1518 struct work_struct txpower_work; 1519 u32 disable_sens_cal; 1520 u32 disable_chain_noise_cal; 1521 struct work_struct run_time_calib_work; 1522 struct timer_list statistics_periodic; 1523 struct timer_list ucode_trace; 1524 struct timer_list watchdog; 1525 1526 struct iwl_event_log event_log; 1527 1528 struct led_classdev led; 1529 unsigned long blink_on, blink_off; 1530 bool led_registered; 1531#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1532 struct iwl_testmode_trace testmode_trace; 1533 u32 tm_fixed_rate; 1534#endif 1535 1536 /* WoWLAN GTK rekey data */ 1537 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 1538 __le64 replay_ctr; 1539 __le16 last_seq_ctl; 1540 bool have_rekey_data; 1541}; /*iwl_priv */ 1542 1543static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1544{ 1545 set_bit(txq_id, &priv->txq_ctx_active_msk); 1546} 1547 1548static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1549{ 1550 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1551} 1552 1553#ifdef CONFIG_IWLWIFI_DEBUG 1554/* 1555 * iwl_get_debug_level: Return active debug level for device 1556 * 1557 * Using sysfs it is possible to set per device debug level. This debug 1558 * level will be used if set, otherwise the global debug level which can be 1559 * set via module parameter is used. 1560 */ 1561static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1562{ 1563 if (priv->debug_level) 1564 return priv->debug_level; 1565 else 1566 return iwl_debug_level; 1567} 1568#else 1569static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1570{ 1571 return iwl_debug_level; 1572} 1573#endif 1574 1575 1576static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1577 int txq_id, int idx) 1578{ 1579 if (priv->txq[txq_id].txb[idx].skb) 1580 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1581 txb[idx].skb->data; 1582 return NULL; 1583} 1584 1585static inline struct iwl_rxon_context * 1586iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1587{ 1588 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1589 1590 return vif_priv->ctx; 1591} 1592 1593#define for_each_context(priv, ctx) \ 1594 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1595 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1596 if (priv->valid_contexts & BIT(ctx->ctxid)) 1597 1598static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1599{ 1600 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1601} 1602 1603static inline int iwl_is_associated(struct iwl_priv *priv, 1604 enum iwl_rxon_context_id ctxid) 1605{ 1606 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 1607} 1608 1609static inline int iwl_is_any_associated(struct iwl_priv *priv) 1610{ 1611 struct iwl_rxon_context *ctx; 1612 for_each_context(priv, ctx) 1613 if (iwl_is_associated_ctx(ctx)) 1614 return true; 1615 return false; 1616} 1617 1618static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1619{ 1620 if (ch_info == NULL) 1621 return 0; 1622 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1623} 1624 1625static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1626{ 1627 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1628} 1629 1630static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1631{ 1632 return ch_info->band == IEEE80211_BAND_5GHZ; 1633} 1634 1635static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1636{ 1637 return ch_info->band == IEEE80211_BAND_2GHZ; 1638} 1639 1640static inline int is_channel_passive(const struct iwl_channel_info *ch) 1641{ 1642 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1643} 1644 1645static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1646{ 1647 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1648} 1649 1650static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1651{ 1652 __free_pages(page, priv->hw_params.rx_page_order); 1653} 1654 1655static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1656{ 1657 free_pages(page, priv->hw_params.rx_page_order); 1658} 1659#endif /* __iwl_dev_h__ */ 1660