iwl-dev.h revision 02f6f659b0080e60021aae3503163576f88c5ba8
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 51#define DRV_NAME "iwlagn" 52 53struct iwl_tx_queue; 54 55/* CT-KILL constants */ 56#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ 57#define CT_KILL_THRESHOLD 114 /* in Celsius */ 58#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ 59 60/* Default noise level to report when noise measurement is not available. 61 * This may be because we're: 62 * 1) Not associated (4965, no beacon statistics being sent to driver) 63 * 2) Scanning (noise measurement does not apply to associated channel) 64 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) 65 * Use default noise value of -127 ... this is below the range of measurable 66 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. 67 * Also, -127 works better than 0 when averaging frames with/without 68 * noise info (e.g. averaging might be done in app); measured dBm values are 69 * always negative ... using a negative value as the default keeps all 70 * averages within an s8's (used in some apps) range of negative values. */ 71#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) 72 73/* 74 * RTS threshold here is total size [2347] minus 4 FCS bytes 75 * Per spec: 76 * a value of 0 means RTS on all data/management packets 77 * a value > max MSDU size means no RTS 78 * else RTS for data/management frames where MPDU is larger 79 * than RTS value. 80 */ 81#define DEFAULT_RTS_THRESHOLD 2347U 82#define MIN_RTS_THRESHOLD 0U 83#define MAX_RTS_THRESHOLD 2347U 84#define MAX_MSDU_SIZE 2304U 85#define MAX_MPDU_SIZE 2346U 86#define DEFAULT_BEACON_INTERVAL 200U 87#define DEFAULT_SHORT_RETRY_LIMIT 7U 88#define DEFAULT_LONG_RETRY_LIMIT 4U 89 90struct iwl_rx_mem_buffer { 91 dma_addr_t page_dma; 92 struct page *page; 93 struct list_head list; 94}; 95 96#define rxb_addr(r) page_address(r->page) 97 98/* defined below */ 99struct iwl_device_cmd; 100 101struct iwl_cmd_meta { 102 /* only for SYNC commands, iff the reply skb is wanted */ 103 struct iwl_host_cmd *source; 104 /* 105 * only for ASYNC commands 106 * (which is somewhat stupid -- look at iwl-sta.c for instance 107 * which duplicates a bunch of code because the callback isn't 108 * invoked for SYNC commands, if it were and its result passed 109 * through it would be simpler...) 110 */ 111 void (*callback)(struct iwl_priv *priv, 112 struct iwl_device_cmd *cmd, 113 struct iwl_rx_packet *pkt); 114 115 u32 flags; 116 117 DEFINE_DMA_UNMAP_ADDR(mapping); 118 DEFINE_DMA_UNMAP_LEN(len); 119}; 120 121/* 122 * Generic queue structure 123 * 124 * Contains common data for Rx and Tx queues. 125 * 126 * Note the difference between n_bd and n_window: the hardware 127 * always assumes 256 descriptors, so n_bd is always 256 (unless 128 * there might be HW changes in the future). For the normal TX 129 * queues, n_window, which is the size of the software queue data 130 * is also 256; however, for the command queue, n_window is only 131 * 32 since we don't need so many commands pending. Since the HW 132 * still uses 256 BDs for DMA though, n_bd stays 256. As a result, 133 * the software buffers (in the variables @meta, @txb in struct 134 * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds 135 * in the same struct) have 256. 136 * This means that we end up with the following: 137 * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 | 138 * SW entries: | 0 | ... | 31 | 139 * where N is a number between 0 and 7. This means that the SW 140 * data is a window overlayed over the HW queue. 141 */ 142struct iwl_queue { 143 int n_bd; /* number of BDs in this queue */ 144 int write_ptr; /* 1-st empty entry (index) host_w*/ 145 int read_ptr; /* last used entry (index) host_r*/ 146 /* use for monitoring and recovering the stuck queue */ 147 dma_addr_t dma_addr; /* physical addr for BD's */ 148 int n_window; /* safe queue window */ 149 u32 id; 150 int low_mark; /* low watermark, resume queue if free 151 * space more than this */ 152 int high_mark; /* high watermark, stop queue if free 153 * space less than this */ 154}; 155 156/* One for each TFD */ 157struct iwl_tx_info { 158 struct sk_buff *skb; 159 struct iwl_rxon_context *ctx; 160}; 161 162/** 163 * struct iwl_tx_queue - Tx Queue for DMA 164 * @q: generic Rx/Tx queue descriptor 165 * @bd: base of circular buffer of TFDs 166 * @cmd: array of command/TX buffer pointers 167 * @meta: array of meta data for each command/tx buffer 168 * @dma_addr_cmd: physical address of cmd/tx buffer array 169 * @txb: array of per-TFD driver data 170 * @time_stamp: time (in jiffies) of last read_ptr change 171 * @need_update: indicates need to update read/write index 172 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled 173 * 174 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame 175 * descriptors) and required locking structures. 176 */ 177#define TFD_TX_CMD_SLOTS 256 178#define TFD_CMD_SLOTS 32 179 180struct iwl_tx_queue { 181 struct iwl_queue q; 182 struct iwl_tfd *tfds; 183 struct iwl_device_cmd **cmd; 184 struct iwl_cmd_meta *meta; 185 struct iwl_tx_info *txb; 186 unsigned long time_stamp; 187 u8 need_update; 188 u8 sched_retry; 189 u8 active; 190 u8 swq_id; 191}; 192 193#define IWL_NUM_SCAN_RATES (2) 194 195/* 196 * One for each channel, holds all channel setup data 197 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant 198 * with one another! 199 */ 200struct iwl_channel_info { 201 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */ 202 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for 203 * HT40 channel */ 204 205 u8 channel; /* channel number */ 206 u8 flags; /* flags copied from EEPROM */ 207 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 208 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */ 209 s8 min_power; /* always 0 */ 210 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ 211 212 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ 213 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ 214 enum ieee80211_band band; 215 216 /* HT40 channel info */ 217 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ 218 u8 ht40_flags; /* flags copied from EEPROM */ 219 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */ 220}; 221 222#define IWL_TX_FIFO_BK 0 /* shared */ 223#define IWL_TX_FIFO_BE 1 224#define IWL_TX_FIFO_VI 2 /* shared */ 225#define IWL_TX_FIFO_VO 3 226#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK 227#define IWL_TX_FIFO_BE_IPAN 4 228#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI 229#define IWL_TX_FIFO_VO_IPAN 5 230#define IWL_TX_FIFO_UNUSED -1 231 232/* Minimum number of queues. MAX_NUM is defined in hw specific files. 233 * Set the minimum to accommodate the 4 standard TX queues, 1 command 234 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */ 235#define IWL_MIN_NUM_QUEUES 10 236 237/* 238 * Command queue depends on iPAN support. 239 */ 240#define IWL_DEFAULT_CMD_QUEUE_NUM 4 241#define IWL_IPAN_CMD_QUEUE_NUM 9 242 243/* 244 * This queue number is required for proper operation 245 * because the ucode will stop/start the scheduler as 246 * required. 247 */ 248#define IWL_IPAN_MCAST_QUEUE 8 249 250#define IEEE80211_DATA_LEN 2304 251#define IEEE80211_4ADDR_LEN 30 252#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) 253#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) 254 255 256#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 257#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 258#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) 259 260enum { 261 CMD_SYNC = 0, 262 CMD_ASYNC = BIT(0), 263 CMD_WANT_SKB = BIT(1), 264}; 265 266#define DEF_CMD_PAYLOAD_SIZE 320 267 268/** 269 * struct iwl_device_cmd 270 * 271 * For allocation of the command and tx queues, this establishes the overall 272 * size of the largest command we send to uCode, except for commands that 273 * aren't fully copied and use other TFD space. 274 */ 275struct iwl_device_cmd { 276 struct iwl_cmd_header hdr; /* uCode API */ 277 union { 278 u32 flags; 279 u8 val8; 280 u16 val16; 281 u32 val32; 282 struct iwl_tx_cmd tx; 283 struct iwl6000_channel_switch_cmd chswitch; 284 u8 payload[DEF_CMD_PAYLOAD_SIZE]; 285 } __packed cmd; 286} __packed; 287 288#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) 289 290#define IWL_MAX_CMD_TFDS 2 291 292enum iwl_hcmd_dataflag { 293 IWL_HCMD_DFL_NOCOPY = BIT(0), 294}; 295 296/** 297 * struct iwl_host_cmd - Host command to the uCode 298 * @data: array of chunks that composes the data of the host command 299 * @reply_page: pointer to the page that holds the response to the host command 300 * @callback: 301 * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC 302 * @len: array of the lenths of the chunks in data 303 * @dataflags: 304 * @id: id of the host command 305 */ 306struct iwl_host_cmd { 307 const void *data[IWL_MAX_CMD_TFDS]; 308 unsigned long reply_page; 309 void (*callback)(struct iwl_priv *priv, 310 struct iwl_device_cmd *cmd, 311 struct iwl_rx_packet *pkt); 312 u32 flags; 313 u16 len[IWL_MAX_CMD_TFDS]; 314 u8 dataflags[IWL_MAX_CMD_TFDS]; 315 u8 id; 316}; 317 318#define SUP_RATE_11A_MAX_NUM_CHANNELS 8 319#define SUP_RATE_11B_MAX_NUM_CHANNELS 4 320#define SUP_RATE_11G_MAX_NUM_CHANNELS 12 321 322/** 323 * struct iwl_rx_queue - Rx queue 324 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) 325 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) 326 * @read: Shared index to newest available Rx buffer 327 * @write: Shared index to oldest written Rx packet 328 * @free_count: Number of pre-allocated buffers in rx_free 329 * @rx_free: list of free SKBs for use 330 * @rx_used: List of Rx buffers with no SKB 331 * @need_update: flag to indicate we need to update read/write index 332 * @rb_stts: driver's pointer to receive buffer status 333 * @rb_stts_dma: bus address of receive buffer status 334 * 335 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers 336 */ 337struct iwl_rx_queue { 338 __le32 *bd; 339 dma_addr_t bd_dma; 340 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; 341 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; 342 u32 read; 343 u32 write; 344 u32 free_count; 345 u32 write_actual; 346 struct list_head rx_free; 347 struct list_head rx_used; 348 int need_update; 349 struct iwl_rb_status *rb_stts; 350 dma_addr_t rb_stts_dma; 351 spinlock_t lock; 352}; 353 354#define IWL_SUPPORTED_RATES_IE_LEN 8 355 356#define MAX_TID_COUNT 9 357 358#define IWL_INVALID_RATE 0xFF 359#define IWL_INVALID_VALUE -1 360 361/** 362 * struct iwl_ht_agg -- aggregation status while waiting for block-ack 363 * @txq_id: Tx queue used for Tx attempt 364 * @frame_count: # frames attempted by Tx command 365 * @wait_for_ba: Expect block-ack before next Tx reply 366 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window 367 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window 368 * @bitmap1: High order, one bit for each frame pending ACK in Tx window 369 * @rate_n_flags: Rate at which Tx was attempted 370 * 371 * If REPLY_TX indicates that aggregation was attempted, driver must wait 372 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info 373 * until block ack arrives. 374 */ 375struct iwl_ht_agg { 376 u16 txq_id; 377 u16 frame_count; 378 u16 wait_for_ba; 379 u16 start_idx; 380 u64 bitmap; 381 u32 rate_n_flags; 382#define IWL_AGG_OFF 0 383#define IWL_AGG_ON 1 384#define IWL_EMPTYING_HW_QUEUE_ADDBA 2 385#define IWL_EMPTYING_HW_QUEUE_DELBA 3 386 u8 state; 387 u8 tx_fifo; 388}; 389 390 391struct iwl_tid_data { 392 u16 seq_number; /* agn only */ 393 u16 tfds_in_queue; 394 struct iwl_ht_agg agg; 395}; 396 397struct iwl_hw_key { 398 u32 cipher; 399 int keylen; 400 u8 keyidx; 401 u8 key[32]; 402}; 403 404union iwl_ht_rate_supp { 405 u16 rates; 406 struct { 407 u8 siso_rate; 408 u8 mimo_rate; 409 }; 410}; 411 412#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0) 413#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1) 414#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2) 415#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3) 416#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K 417#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K 418#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K 419 420/* 421 * Maximal MPDU density for TX aggregation 422 * 4 - 2us density 423 * 5 - 4us density 424 * 6 - 8us density 425 * 7 - 16us density 426 */ 427#define CFG_HT_MPDU_DENSITY_2USEC (0x4) 428#define CFG_HT_MPDU_DENSITY_4USEC (0x5) 429#define CFG_HT_MPDU_DENSITY_8USEC (0x6) 430#define CFG_HT_MPDU_DENSITY_16USEC (0x7) 431#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC 432#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC 433#define CFG_HT_MPDU_DENSITY_MIN (0x1) 434 435struct iwl_ht_config { 436 bool single_chain_sufficient; 437 enum ieee80211_smps_mode smps; /* current smps mode */ 438}; 439 440/* QoS structures */ 441struct iwl_qos_info { 442 int qos_active; 443 struct iwl_qosparam_cmd def_qos_parm; 444}; 445 446/* 447 * Structure should be accessed with sta_lock held. When station addition 448 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only 449 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock 450 * held. 451 */ 452struct iwl_station_entry { 453 struct iwl_addsta_cmd sta; 454 struct iwl_tid_data tid[MAX_TID_COUNT]; 455 u8 used, ctxid; 456 struct iwl_hw_key keyinfo; 457 struct iwl_link_quality_cmd *lq; 458}; 459 460struct iwl_station_priv_common { 461 struct iwl_rxon_context *ctx; 462 u8 sta_id; 463}; 464 465/* 466 * iwl_station_priv: Driver's private station information 467 * 468 * When mac80211 creates a station it reserves some space (hw->sta_data_size) 469 * in the structure for use by driver. This structure is places in that 470 * space. 471 */ 472struct iwl_station_priv { 473 struct iwl_station_priv_common common; 474 struct iwl_lq_sta lq_sta; 475 atomic_t pending_frames; 476 bool client; 477 bool asleep; 478 u8 max_agg_bufsize; 479}; 480 481/** 482 * struct iwl_vif_priv - driver's private per-interface information 483 * 484 * When mac80211 allocates a virtual interface, it can allocate 485 * space for us to put data into. 486 */ 487struct iwl_vif_priv { 488 struct iwl_rxon_context *ctx; 489 u8 ibss_bssid_sta_id; 490}; 491 492/* one for each uCode image (inst/data, boot/init/runtime) */ 493struct fw_desc { 494 void *v_addr; /* access by driver */ 495 dma_addr_t p_addr; /* access by card's busmaster DMA */ 496 u32 len; /* bytes */ 497}; 498 499struct fw_img { 500 struct fw_desc code, data; 501}; 502 503/* v1/v2 uCode file layout */ 504struct iwl_ucode_header { 505 __le32 ver; /* major/minor/API/serial */ 506 union { 507 struct { 508 __le32 inst_size; /* bytes of runtime code */ 509 __le32 data_size; /* bytes of runtime data */ 510 __le32 init_size; /* bytes of init code */ 511 __le32 init_data_size; /* bytes of init data */ 512 __le32 boot_size; /* bytes of bootstrap code */ 513 u8 data[0]; /* in same order as sizes */ 514 } v1; 515 struct { 516 __le32 build; /* build number */ 517 __le32 inst_size; /* bytes of runtime code */ 518 __le32 data_size; /* bytes of runtime data */ 519 __le32 init_size; /* bytes of init code */ 520 __le32 init_data_size; /* bytes of init data */ 521 __le32 boot_size; /* bytes of bootstrap code */ 522 u8 data[0]; /* in same order as sizes */ 523 } v2; 524 } u; 525}; 526 527/* 528 * new TLV uCode file layout 529 * 530 * The new TLV file format contains TLVs, that each specify 531 * some piece of data. To facilitate "groups", for example 532 * different instruction image with different capabilities, 533 * bundled with the same init image, an alternative mechanism 534 * is provided: 535 * When the alternative field is 0, that means that the item 536 * is always valid. When it is non-zero, then it is only 537 * valid in conjunction with items of the same alternative, 538 * in which case the driver (user) selects one alternative 539 * to use. 540 */ 541 542enum iwl_ucode_tlv_type { 543 IWL_UCODE_TLV_INVALID = 0, /* unused */ 544 IWL_UCODE_TLV_INST = 1, 545 IWL_UCODE_TLV_DATA = 2, 546 IWL_UCODE_TLV_INIT = 3, 547 IWL_UCODE_TLV_INIT_DATA = 4, 548 IWL_UCODE_TLV_BOOT = 5, 549 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ 550 IWL_UCODE_TLV_PAN = 7, 551 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, 552 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, 553 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, 554 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, 555 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, 556 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, 557 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, 558 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, 559 /* 16 and 17 reserved for future use */ 560 IWL_UCODE_TLV_FLAGS = 18, 561}; 562 563/** 564 * enum iwl_ucode_tlv_flag - ucode API flags 565 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously 566 * was a separate TLV but moved here to save space. 567 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, 568 * treats good CRC threshold as a boolean 569 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). 570 */ 571enum iwl_ucode_tlv_flag { 572 IWL_UCODE_TLV_FLAGS_PAN = BIT(0), 573 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), 574 IWL_UCODE_TLV_FLAGS_MFP = BIT(2), 575}; 576 577struct iwl_ucode_tlv { 578 __le16 type; /* see above */ 579 __le16 alternative; /* see comment */ 580 __le32 length; /* not including type/length fields */ 581 u8 data[0]; 582} __packed; 583 584#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 585 586struct iwl_tlv_ucode_header { 587 /* 588 * The TLV style ucode header is distinguished from 589 * the v1/v2 style header by first four bytes being 590 * zero, as such is an invalid combination of 591 * major/minor/API/serial versions. 592 */ 593 __le32 zero; 594 __le32 magic; 595 u8 human_readable[64]; 596 __le32 ver; /* major/minor/API/serial */ 597 __le32 build; 598 __le64 alternatives; /* bitmask of valid alternatives */ 599 /* 600 * The data contained herein has a TLV layout, 601 * see above for the TLV header and types. 602 * Note that each TLV is padded to a length 603 * that is a multiple of 4 for alignment. 604 */ 605 u8 data[0]; 606}; 607 608struct iwl_sensitivity_ranges { 609 u16 min_nrg_cck; 610 u16 max_nrg_cck; 611 612 u16 nrg_th_cck; 613 u16 nrg_th_ofdm; 614 615 u16 auto_corr_min_ofdm; 616 u16 auto_corr_min_ofdm_mrc; 617 u16 auto_corr_min_ofdm_x1; 618 u16 auto_corr_min_ofdm_mrc_x1; 619 620 u16 auto_corr_max_ofdm; 621 u16 auto_corr_max_ofdm_mrc; 622 u16 auto_corr_max_ofdm_x1; 623 u16 auto_corr_max_ofdm_mrc_x1; 624 625 u16 auto_corr_max_cck; 626 u16 auto_corr_max_cck_mrc; 627 u16 auto_corr_min_cck; 628 u16 auto_corr_min_cck_mrc; 629 630 u16 barker_corr_th_min; 631 u16 barker_corr_th_min_mrc; 632 u16 nrg_th_cca; 633}; 634 635 636#define KELVIN_TO_CELSIUS(x) ((x)-273) 637#define CELSIUS_TO_KELVIN(x) ((x)+273) 638 639 640/** 641 * struct iwl_hw_params 642 * @max_txq_num: Max # Tx queues supported 643 * @scd_bc_tbls_size: size of scheduler byte count tables 644 * @tfd_size: TFD size 645 * @tx/rx_chains_num: Number of TX/RX chains 646 * @valid_tx/rx_ant: usable antennas 647 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) 648 * @max_rxq_log: Log-base-2 of max_rxq_size 649 * @rx_page_order: Rx buffer page order 650 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR 651 * @max_stations: 652 * @ht40_channel: is 40MHz width possible in band 2.4 653 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ) 654 * @sw_crypto: 0 for hw, 1 for sw 655 * @max_xxx_size: for ucode uses 656 * @ct_kill_threshold: temperature threshold 657 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time 658 * @calib_init_cfg: setup initial calibrations for the hw 659 * @calib_rt_cfg: setup runtime calibrations for the hw 660 * @struct iwl_sensitivity_ranges: range of sensitivity values 661 */ 662struct iwl_hw_params { 663 u8 max_txq_num; 664 u16 scd_bc_tbls_size; 665 u32 tfd_size; 666 u8 tx_chains_num; 667 u8 rx_chains_num; 668 u8 valid_tx_ant; 669 u8 valid_rx_ant; 670 u16 max_rxq_size; 671 u16 max_rxq_log; 672 u32 rx_page_order; 673 u8 max_stations; 674 u8 ht40_channel; 675 u8 max_beacon_itrvl; /* in 1024 ms */ 676 u32 max_inst_size; 677 u32 max_data_size; 678 u32 ct_kill_threshold; /* value in hw-dependent units */ 679 u32 ct_kill_exit_threshold; /* value in hw-dependent units */ 680 /* for 1000, 6000 series and up */ 681 u16 beacon_time_tsf_bits; 682 u32 calib_init_cfg; 683 u32 calib_rt_cfg; 684 const struct iwl_sensitivity_ranges *sens; 685}; 686 687 688/****************************************************************************** 689 * 690 * Functions implemented in core module which are forward declared here 691 * for use by iwl-[4-5].c 692 * 693 * NOTE: The implementation of these functions are not hardware specific 694 * which is why they are in the core module files. 695 * 696 * Naming convention -- 697 * iwl_ <-- Is part of iwlwifi 698 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) 699 * 700 ****************************************************************************/ 701extern void iwl_update_chain_flags(struct iwl_priv *priv); 702extern const u8 iwl_bcast_addr[ETH_ALEN]; 703extern int iwl_queue_space(const struct iwl_queue *q); 704static inline int iwl_queue_used(const struct iwl_queue *q, int i) 705{ 706 return q->write_ptr >= q->read_ptr ? 707 (i >= q->read_ptr && i < q->write_ptr) : 708 !(i < q->read_ptr && i >= q->write_ptr); 709} 710 711 712static inline u8 get_cmd_index(struct iwl_queue *q, u32 index) 713{ 714 return index & (q->n_window - 1); 715} 716 717 718struct iwl_dma_ptr { 719 dma_addr_t dma; 720 void *addr; 721 size_t size; 722}; 723 724#define IWL_OPERATION_MODE_AUTO 0 725#define IWL_OPERATION_MODE_HT_ONLY 1 726#define IWL_OPERATION_MODE_MIXED 2 727#define IWL_OPERATION_MODE_20MHZ 3 728 729#define IWL_TX_CRC_SIZE 4 730#define IWL_TX_DELIMITER_SIZE 4 731 732#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000 733 734/* Sensitivity and chain noise calibration */ 735#define INITIALIZATION_VALUE 0xFFFF 736#define IWL_CAL_NUM_BEACONS 16 737#define MAXIMUM_ALLOWED_PATHLOSS 15 738 739#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3 740 741#define MAX_FA_OFDM 50 742#define MIN_FA_OFDM 5 743#define MAX_FA_CCK 50 744#define MIN_FA_CCK 5 745 746#define AUTO_CORR_STEP_OFDM 1 747 748#define AUTO_CORR_STEP_CCK 3 749#define AUTO_CORR_MAX_TH_CCK 160 750 751#define NRG_DIFF 2 752#define NRG_STEP_CCK 2 753#define NRG_MARGIN 8 754#define MAX_NUMBER_CCK_NO_FA 100 755 756#define AUTO_CORR_CCK_MIN_VAL_DEF (125) 757 758#define CHAIN_A 0 759#define CHAIN_B 1 760#define CHAIN_C 2 761#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4 762#define ALL_BAND_FILTER 0xFF00 763#define IN_BAND_FILTER 0xFF 764#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF 765 766#define NRG_NUM_PREV_STAT_L 20 767#define NUM_RX_CHAINS 3 768 769enum iwlagn_false_alarm_state { 770 IWL_FA_TOO_MANY = 0, 771 IWL_FA_TOO_FEW = 1, 772 IWL_FA_GOOD_RANGE = 2, 773}; 774 775enum iwlagn_chain_noise_state { 776 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */ 777 IWL_CHAIN_NOISE_ACCUMULATE, 778 IWL_CHAIN_NOISE_CALIBRATED, 779 IWL_CHAIN_NOISE_DONE, 780}; 781 782 783/* 784 * enum iwl_calib 785 * defines the order in which results of initial calibrations 786 * should be sent to the runtime uCode 787 */ 788enum iwl_calib { 789 IWL_CALIB_XTAL, 790 IWL_CALIB_DC, 791 IWL_CALIB_LO, 792 IWL_CALIB_TX_IQ, 793 IWL_CALIB_TX_IQ_PERD, 794 IWL_CALIB_BASE_BAND, 795 IWL_CALIB_TEMP_OFFSET, 796 IWL_CALIB_MAX 797}; 798 799/* Opaque calibration results */ 800struct iwl_calib_result { 801 void *buf; 802 size_t buf_len; 803}; 804 805/* Sensitivity calib data */ 806struct iwl_sensitivity_data { 807 u32 auto_corr_ofdm; 808 u32 auto_corr_ofdm_mrc; 809 u32 auto_corr_ofdm_x1; 810 u32 auto_corr_ofdm_mrc_x1; 811 u32 auto_corr_cck; 812 u32 auto_corr_cck_mrc; 813 814 u32 last_bad_plcp_cnt_ofdm; 815 u32 last_fa_cnt_ofdm; 816 u32 last_bad_plcp_cnt_cck; 817 u32 last_fa_cnt_cck; 818 819 u32 nrg_curr_state; 820 u32 nrg_prev_state; 821 u32 nrg_value[10]; 822 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L]; 823 u32 nrg_silence_ref; 824 u32 nrg_energy_idx; 825 u32 nrg_silence_idx; 826 u32 nrg_th_cck; 827 s32 nrg_auto_corr_silence_diff; 828 u32 num_in_cck_no_fa; 829 u32 nrg_th_ofdm; 830 831 u16 barker_corr_th_min; 832 u16 barker_corr_th_min_mrc; 833 u16 nrg_th_cca; 834}; 835 836/* Chain noise (differential Rx gain) calib data */ 837struct iwl_chain_noise_data { 838 u32 active_chains; 839 u32 chain_noise_a; 840 u32 chain_noise_b; 841 u32 chain_noise_c; 842 u32 chain_signal_a; 843 u32 chain_signal_b; 844 u32 chain_signal_c; 845 u16 beacon_count; 846 u8 disconn_array[NUM_RX_CHAINS]; 847 u8 delta_gain_code[NUM_RX_CHAINS]; 848 u8 radio_write; 849 u8 state; 850}; 851 852#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ 853#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ 854 855#define IWL_TRAFFIC_ENTRIES (256) 856#define IWL_TRAFFIC_ENTRY_SIZE (64) 857 858enum { 859 MEASUREMENT_READY = (1 << 0), 860 MEASUREMENT_ACTIVE = (1 << 1), 861}; 862 863enum iwl_nvm_type { 864 NVM_DEVICE_TYPE_EEPROM = 0, 865 NVM_DEVICE_TYPE_OTP, 866}; 867 868/* 869 * Two types of OTP memory access modes 870 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode, 871 * based on physical memory addressing 872 * IWL_OTP_ACCESS_RELATIVE - relative address mode, 873 * based on logical memory addressing 874 */ 875enum iwl_access_mode { 876 IWL_OTP_ACCESS_ABSOLUTE, 877 IWL_OTP_ACCESS_RELATIVE, 878}; 879 880/** 881 * enum iwl_pa_type - Power Amplifier type 882 * @IWL_PA_SYSTEM: based on uCode configuration 883 * @IWL_PA_INTERNAL: use Internal only 884 */ 885enum iwl_pa_type { 886 IWL_PA_SYSTEM = 0, 887 IWL_PA_INTERNAL = 1, 888}; 889 890/* interrupt statistics */ 891struct isr_statistics { 892 u32 hw; 893 u32 sw; 894 u32 err_code; 895 u32 sch; 896 u32 alive; 897 u32 rfkill; 898 u32 ctkill; 899 u32 wakeup; 900 u32 rx; 901 u32 rx_handlers[REPLY_MAX]; 902 u32 tx; 903 u32 unhandled; 904}; 905 906/* reply_tx_statistics (for _agn devices) */ 907struct reply_tx_error_statistics { 908 u32 pp_delay; 909 u32 pp_few_bytes; 910 u32 pp_bt_prio; 911 u32 pp_quiet_period; 912 u32 pp_calc_ttak; 913 u32 int_crossed_retry; 914 u32 short_limit; 915 u32 long_limit; 916 u32 fifo_underrun; 917 u32 drain_flow; 918 u32 rfkill_flush; 919 u32 life_expire; 920 u32 dest_ps; 921 u32 host_abort; 922 u32 bt_retry; 923 u32 sta_invalid; 924 u32 frag_drop; 925 u32 tid_disable; 926 u32 fifo_flush; 927 u32 insuff_cf_poll; 928 u32 fail_hw_drop; 929 u32 sta_color_mismatch; 930 u32 unknown; 931}; 932 933/* reply_agg_tx_statistics (for _agn devices) */ 934struct reply_agg_tx_error_statistics { 935 u32 underrun; 936 u32 bt_prio; 937 u32 few_bytes; 938 u32 abort; 939 u32 last_sent_ttl; 940 u32 last_sent_try; 941 u32 last_sent_bt_kill; 942 u32 scd_query; 943 u32 bad_crc32; 944 u32 response; 945 u32 dump_tx; 946 u32 delay_tx; 947 u32 unknown; 948}; 949 950/* management statistics */ 951enum iwl_mgmt_stats { 952 MANAGEMENT_ASSOC_REQ = 0, 953 MANAGEMENT_ASSOC_RESP, 954 MANAGEMENT_REASSOC_REQ, 955 MANAGEMENT_REASSOC_RESP, 956 MANAGEMENT_PROBE_REQ, 957 MANAGEMENT_PROBE_RESP, 958 MANAGEMENT_BEACON, 959 MANAGEMENT_ATIM, 960 MANAGEMENT_DISASSOC, 961 MANAGEMENT_AUTH, 962 MANAGEMENT_DEAUTH, 963 MANAGEMENT_ACTION, 964 MANAGEMENT_MAX, 965}; 966/* control statistics */ 967enum iwl_ctrl_stats { 968 CONTROL_BACK_REQ = 0, 969 CONTROL_BACK, 970 CONTROL_PSPOLL, 971 CONTROL_RTS, 972 CONTROL_CTS, 973 CONTROL_ACK, 974 CONTROL_CFEND, 975 CONTROL_CFENDACK, 976 CONTROL_MAX, 977}; 978 979struct traffic_stats { 980#ifdef CONFIG_IWLWIFI_DEBUGFS 981 u32 mgmt[MANAGEMENT_MAX]; 982 u32 ctrl[CONTROL_MAX]; 983 u32 data_cnt; 984 u64 data_bytes; 985#endif 986}; 987 988/* 989 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds 990 * to perform continuous uCode event logging operation if enabled 991 */ 992#define UCODE_TRACE_PERIOD (100) 993 994/* 995 * iwl_event_log: current uCode event log position 996 * 997 * @ucode_trace: enable/disable ucode continuous trace timer 998 * @num_wraps: how many times the event buffer wraps 999 * @next_entry: the entry just before the next one that uCode would fill 1000 * @non_wraps_count: counter for no wrap detected when dump ucode events 1001 * @wraps_once_count: counter for wrap once detected when dump ucode events 1002 * @wraps_more_count: counter for wrap more than once detected 1003 * when dump ucode events 1004 */ 1005struct iwl_event_log { 1006 bool ucode_trace; 1007 u32 num_wraps; 1008 u32 next_entry; 1009 int non_wraps_count; 1010 int wraps_once_count; 1011 int wraps_more_count; 1012}; 1013 1014/* 1015 * host interrupt timeout value 1016 * used with setting interrupt coalescing timer 1017 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit 1018 * 1019 * default interrupt coalescing timer is 64 x 32 = 2048 usecs 1020 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs 1021 */ 1022#define IWL_HOST_INT_TIMEOUT_MAX (0xFF) 1023#define IWL_HOST_INT_TIMEOUT_DEF (0x40) 1024#define IWL_HOST_INT_TIMEOUT_MIN (0x0) 1025#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF) 1026#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10) 1027#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0) 1028 1029/* 1030 * This is the threshold value of plcp error rate per 100mSecs. It is 1031 * used to set and check for the validity of plcp_delta. 1032 */ 1033#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1) 1034#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50) 1035#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100) 1036#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200) 1037#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255) 1038#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0) 1039 1040#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3) 1041#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5) 1042 1043/* TX queue watchdog timeouts in mSecs */ 1044#define IWL_DEF_WD_TIMEOUT (2000) 1045#define IWL_LONG_WD_TIMEOUT (10000) 1046#define IWL_MAX_WD_TIMEOUT (120000) 1047 1048/* BT Antenna Coupling Threshold (dB) */ 1049#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35) 1050 1051/* Firmware reload counter and Timestamp */ 1052#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */ 1053#define IWL_MAX_CONTINUE_RELOAD_CNT 4 1054 1055 1056enum iwl_reset { 1057 IWL_RF_RESET = 0, 1058 IWL_FW_RESET, 1059 IWL_MAX_FORCE_RESET, 1060}; 1061 1062struct iwl_force_reset { 1063 int reset_request_count; 1064 int reset_success_count; 1065 int reset_reject_count; 1066 unsigned long reset_duration; 1067 unsigned long last_force_reset_jiffies; 1068}; 1069 1070/* extend beacon time format bit shifting */ 1071/* 1072 * for _agn devices 1073 * bits 31:22 - extended 1074 * bits 21:0 - interval 1075 */ 1076#define IWLAGN_EXT_BEACON_TIME_POS 22 1077 1078/** 1079 * struct iwl_notification_wait - notification wait entry 1080 * @list: list head for global list 1081 * @fn: function called with the notification 1082 * @cmd: command ID 1083 * 1084 * This structure is not used directly, to wait for a 1085 * notification declare it on the stack, and call 1086 * iwlagn_init_notification_wait() with appropriate 1087 * parameters. Then do whatever will cause the ucode 1088 * to notify the driver, and to wait for that then 1089 * call iwlagn_wait_notification(). 1090 * 1091 * Each notification is one-shot. If at some point we 1092 * need to support multi-shot notifications (which 1093 * can't be allocated on the stack) we need to modify 1094 * the code for them. 1095 */ 1096struct iwl_notification_wait { 1097 struct list_head list; 1098 1099 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt, 1100 void *data); 1101 void *fn_data; 1102 1103 u8 cmd; 1104 bool triggered, aborted; 1105}; 1106 1107enum iwl_rxon_context_id { 1108 IWL_RXON_CTX_BSS, 1109 IWL_RXON_CTX_PAN, 1110 1111 NUM_IWL_RXON_CTX 1112}; 1113 1114struct iwl_rxon_context { 1115 struct ieee80211_vif *vif; 1116 1117 const u8 *ac_to_fifo; 1118 const u8 *ac_to_queue; 1119 u8 mcast_queue; 1120 1121 /* 1122 * We could use the vif to indicate active, but we 1123 * also need it to be active during disabling when 1124 * we already removed the vif for type setting. 1125 */ 1126 bool always_active, is_active; 1127 1128 bool ht_need_multiple_chains; 1129 1130 enum iwl_rxon_context_id ctxid; 1131 1132 u32 interface_modes, exclusive_interface_modes; 1133 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype; 1134 1135 /* 1136 * We declare this const so it can only be 1137 * changed via explicit cast within the 1138 * routines that actually update the physical 1139 * hardware. 1140 */ 1141 const struct iwl_rxon_cmd active; 1142 struct iwl_rxon_cmd staging; 1143 1144 struct iwl_rxon_time_cmd timing; 1145 1146 struct iwl_qos_info qos_data; 1147 1148 u8 bcast_sta_id, ap_sta_id; 1149 1150 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd; 1151 u8 qos_cmd; 1152 u8 wep_key_cmd; 1153 1154 struct iwl_wep_key wep_keys[WEP_KEYS_MAX]; 1155 u8 key_mapping_keys; 1156 1157 __le32 station_flags; 1158 1159 struct { 1160 bool non_gf_sta_present; 1161 u8 protection; 1162 bool enabled, is_40mhz; 1163 u8 extension_chan_offset; 1164 } ht; 1165 1166 bool last_tx_rejected; 1167}; 1168 1169enum iwl_scan_type { 1170 IWL_SCAN_NORMAL, 1171 IWL_SCAN_RADIO_RESET, 1172 IWL_SCAN_OFFCH_TX, 1173}; 1174 1175enum iwlagn_ucode_type { 1176 IWL_UCODE_NONE, 1177 IWL_UCODE_REGULAR, 1178 IWL_UCODE_INIT, 1179 IWL_UCODE_WOWLAN, 1180}; 1181 1182#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1183struct iwl_testmode_trace { 1184 u32 buff_size; 1185 u32 total_size; 1186 u32 num_chunks; 1187 u8 *cpu_addr; 1188 u8 *trace_addr; 1189 dma_addr_t dma_addr; 1190 bool trace_enabled; 1191}; 1192#endif 1193 1194struct iwl_bus; 1195 1196/** 1197 * struct iwl_bus_ops - bus specific operations 1198 1199 * @get_pm_support: must returns true if the bus can go to sleep 1200 * @apm_config: will be called during the config of the APM configuration 1201 * @set_drv_data: set the priv pointer to the bus layer 1202 * @get_dev: returns the device struct 1203 * @get_irq: returns the irq number 1204 * @get_hw_id: prints the hw_id in the provided buffer 1205 * @write8: write a byte to register at offset ofs 1206 * @write32: write a dword to register at offset ofs 1207 * @wread32: read a dword at register at offset ofs 1208 */ 1209struct iwl_bus_ops { 1210 bool (*get_pm_support)(struct iwl_bus *bus); 1211 void (*apm_config)(struct iwl_bus *bus); 1212 void (*set_drv_data)(struct iwl_bus *bus, void *priv); 1213 struct device *(*get_dev)(const struct iwl_bus *bus); 1214 unsigned int (*get_irq)(const struct iwl_bus *bus); 1215 void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len); 1216 void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val); 1217 void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val); 1218 u32 (*read32)(struct iwl_bus *bus, u32 ofs); 1219}; 1220 1221struct iwl_bus { 1222 /* pointer to bus specific struct */ 1223 void *bus_specific; 1224 1225 /* Common data to all buses */ 1226 struct iwl_priv *priv; /* driver's context */ 1227 struct device *dev; 1228 struct iwl_bus_ops *ops; 1229 unsigned int irq; 1230}; 1231 1232struct iwl_trans; 1233 1234/** 1235 * struct iwl_trans_ops - transport specific operations 1236 1237 * @rx_init: inits the rx memory, allocate it if needed 1238 * @rx_stop: stop the rx 1239 * @rx_free: frees the rx memory 1240 * @tx_init:inits the tx memory, allocate if needed 1241 * @tx_stop: stop the tx 1242 * @tx_free: frees the tx memory 1243 * @send_cmd:send a host command 1244 * @send_cmd_pdu:send a host command: flags can be CMD_* 1245 */ 1246struct iwl_trans_ops { 1247 int (*rx_init)(struct iwl_priv *priv); 1248 int (*rx_stop)(struct iwl_priv *priv); 1249 void (*rx_free)(struct iwl_priv *priv); 1250 1251 int (*tx_init)(struct iwl_priv *priv); 1252 int (*tx_stop)(struct iwl_priv *priv); 1253 void (*tx_free)(struct iwl_priv *priv); 1254 1255 int (*send_cmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd); 1256 1257 int (*send_cmd_pdu)(struct iwl_priv *priv, u8 id, u32 flags, u16 len, 1258 const void *data); 1259}; 1260 1261struct iwl_trans { 1262 const struct iwl_trans_ops *ops; 1263}; 1264 1265struct iwl_priv { 1266 1267 /* ieee device used by generic ieee processing code */ 1268 struct ieee80211_hw *hw; 1269 struct ieee80211_channel *ieee_channels; 1270 struct ieee80211_rate *ieee_rates; 1271 struct iwl_cfg *cfg; 1272 1273 enum ieee80211_band band; 1274 1275 void (*pre_rx_handler)(struct iwl_priv *priv, 1276 struct iwl_rx_mem_buffer *rxb); 1277 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, 1278 struct iwl_rx_mem_buffer *rxb); 1279 1280 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 1281 1282 /* spectrum measurement report caching */ 1283 struct iwl_spectrum_notification measure_report; 1284 u8 measurement_status; 1285 1286 /* ucode beacon time */ 1287 u32 ucode_beacon_time; 1288 int missed_beacon_threshold; 1289 1290 /* track IBSS manager (last beacon) status */ 1291 u32 ibss_manager; 1292 1293 /* jiffies when last recovery from statistics was performed */ 1294 unsigned long rx_statistics_jiffies; 1295 1296 /* force reset */ 1297 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; 1298 1299 /* firmware reload counter and timestamp */ 1300 unsigned long reload_jiffies; 1301 int reload_count; 1302 1303 /* we allocate array of iwl_channel_info for NIC's valid channels. 1304 * Access via channel # using indirect index array */ 1305 struct iwl_channel_info *channel_info; /* channel info array */ 1306 u8 channel_count; /* # of channels */ 1307 1308 /* thermal calibration */ 1309 s32 temperature; /* degrees Kelvin */ 1310 s32 last_temperature; 1311 1312 /* init calibration results */ 1313 struct iwl_calib_result calib_results[IWL_CALIB_MAX]; 1314 1315 /* Scan related variables */ 1316 unsigned long scan_start; 1317 unsigned long scan_start_tsf; 1318 void *scan_cmd; 1319 enum ieee80211_band scan_band; 1320 struct cfg80211_scan_request *scan_request; 1321 struct ieee80211_vif *scan_vif; 1322 enum iwl_scan_type scan_type; 1323 u8 scan_tx_ant[IEEE80211_NUM_BANDS]; 1324 u8 mgmt_tx_ant; 1325 1326 /* spinlock */ 1327 spinlock_t lock; /* protect general shared data */ 1328 spinlock_t hcmd_lock; /* protect hcmd */ 1329 spinlock_t reg_lock; /* protect hw register access */ 1330 struct mutex mutex; 1331 1332 struct iwl_bus bus; /* bus specific data */ 1333 struct iwl_trans trans; 1334 1335 /* microcode/device supports multiple contexts */ 1336 u8 valid_contexts; 1337 1338 /* command queue number */ 1339 u8 cmd_queue; 1340 1341 /* max number of station keys */ 1342 u8 sta_key_max_num; 1343 1344 bool new_scan_threshold_behaviour; 1345 1346 /* EEPROM MAC addresses */ 1347 struct mac_address addresses[2]; 1348 1349 /* uCode images, save to reload in case of failure */ 1350 int fw_index; /* firmware we're trying to load */ 1351 u32 ucode_ver; /* version of ucode, copy of 1352 iwl_ucode.ver */ 1353 struct fw_img ucode_rt; 1354 struct fw_img ucode_init; 1355 1356 enum iwlagn_ucode_type ucode_type; 1357 u8 ucode_write_complete; /* the image write is complete */ 1358 char firmware_name[25]; 1359 1360 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; 1361 1362 __le16 switch_channel; 1363 1364 struct { 1365 u32 error_event_table; 1366 u32 log_event_table; 1367 } device_pointers; 1368 1369 u16 active_rate; 1370 1371 u8 start_calib; 1372 struct iwl_sensitivity_data sensitivity_data; 1373 struct iwl_chain_noise_data chain_noise_data; 1374 bool enhance_sensitivity_table; 1375 __le16 sensitivity_tbl[HD_TABLE_SIZE]; 1376 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; 1377 1378 struct iwl_ht_config current_ht_config; 1379 1380 /* Rate scaling data */ 1381 u8 retry_rate; 1382 1383 wait_queue_head_t wait_command_queue; 1384 1385 int activity_timer_active; 1386 1387 /* Rx and Tx DMA processing queues */ 1388 struct iwl_rx_queue rxq; 1389 struct iwl_tx_queue *txq; 1390 unsigned long txq_ctx_active_msk; 1391 struct iwl_dma_ptr kw; /* keep warm address */ 1392 struct iwl_dma_ptr scd_bc_tbls; 1393 1394 u32 scd_base_addr; /* scheduler sram base address */ 1395 1396 unsigned long status; 1397 1398 /* counts mgmt, ctl, and data packets */ 1399 struct traffic_stats tx_stats; 1400 struct traffic_stats rx_stats; 1401 1402 /* counts interrupts */ 1403 struct isr_statistics isr_stats; 1404 1405 struct iwl_power_mgr power_data; 1406 struct iwl_tt_mgmt thermal_throttle; 1407 1408 /* station table variables */ 1409 1410 /* Note: if lock and sta_lock are needed, lock must be acquired first */ 1411 spinlock_t sta_lock; 1412 int num_stations; 1413 struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; 1414 unsigned long ucode_key_table; 1415 1416 /* queue refcounts */ 1417#define IWL_MAX_HW_QUEUES 32 1418 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; 1419 /* for each AC */ 1420 atomic_t queue_stop_count[4]; 1421 1422 /* Indication if ieee80211_ops->open has been called */ 1423 u8 is_open; 1424 1425 u8 mac80211_registered; 1426 1427 /* eeprom -- this is in the card's little endian byte order */ 1428 u8 *eeprom; 1429 int nvm_device_type; 1430 struct iwl_eeprom_calib_info *calib_info; 1431 1432 enum nl80211_iftype iw_mode; 1433 1434 /* Last Rx'd beacon timestamp */ 1435 u64 timestamp; 1436 1437 struct { 1438 __le32 flag; 1439 struct statistics_general_common common; 1440 struct statistics_rx_non_phy rx_non_phy; 1441 struct statistics_rx_phy rx_ofdm; 1442 struct statistics_rx_ht_phy rx_ofdm_ht; 1443 struct statistics_rx_phy rx_cck; 1444 struct statistics_tx tx; 1445#ifdef CONFIG_IWLWIFI_DEBUGFS 1446 struct statistics_bt_activity bt_activity; 1447 __le32 num_bt_kills, accum_num_bt_kills; 1448#endif 1449 } statistics; 1450#ifdef CONFIG_IWLWIFI_DEBUGFS 1451 struct { 1452 struct statistics_general_common common; 1453 struct statistics_rx_non_phy rx_non_phy; 1454 struct statistics_rx_phy rx_ofdm; 1455 struct statistics_rx_ht_phy rx_ofdm_ht; 1456 struct statistics_rx_phy rx_cck; 1457 struct statistics_tx tx; 1458 struct statistics_bt_activity bt_activity; 1459 } accum_stats, delta_stats, max_delta_stats; 1460#endif 1461 1462 struct { 1463 /* INT ICT Table */ 1464 __le32 *ict_tbl; 1465 void *ict_tbl_vir; 1466 dma_addr_t ict_tbl_dma; 1467 dma_addr_t aligned_ict_tbl_dma; 1468 int ict_index; 1469 u32 inta; 1470 bool use_ict; 1471 /* 1472 * reporting the number of tids has AGG on. 0 means 1473 * no AGGREGATION 1474 */ 1475 u8 agg_tids_count; 1476 1477 struct iwl_rx_phy_res last_phy_res; 1478 bool last_phy_res_valid; 1479 1480 struct completion firmware_loading_complete; 1481 1482 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; 1483 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; 1484 1485 /* 1486 * chain noise reset and gain commands are the 1487 * two extra calibration commands follows the standard 1488 * phy calibration commands 1489 */ 1490 u8 phy_calib_chain_noise_reset_cmd; 1491 u8 phy_calib_chain_noise_gain_cmd; 1492 1493 /* counts reply_tx error */ 1494 struct reply_tx_error_statistics reply_tx_stats; 1495 struct reply_agg_tx_error_statistics reply_agg_tx_stats; 1496 /* notification wait support */ 1497 struct list_head notif_waits; 1498 spinlock_t notif_wait_lock; 1499 wait_queue_head_t notif_waitq; 1500 1501 /* remain-on-channel offload support */ 1502 struct ieee80211_channel *hw_roc_channel; 1503 struct delayed_work hw_roc_work; 1504 enum nl80211_channel_type hw_roc_chantype; 1505 int hw_roc_duration; 1506 bool hw_roc_setup; 1507 1508 struct sk_buff *offchan_tx_skb; 1509 int offchan_tx_timeout; 1510 struct ieee80211_channel *offchan_tx_chan; 1511 } _agn; 1512 1513 /* bt coex */ 1514 u8 bt_enable_flag; 1515 u8 bt_status; 1516 u8 bt_traffic_load, last_bt_traffic_load; 1517 bool bt_ch_announce; 1518 bool bt_full_concurrent; 1519 bool bt_ant_couple_ok; 1520 __le32 kill_ack_mask; 1521 __le32 kill_cts_mask; 1522 __le16 bt_valid; 1523 u16 bt_on_thresh; 1524 u16 bt_duration; 1525 u16 dynamic_frag_thresh; 1526 u8 bt_ci_compliance; 1527 struct work_struct bt_traffic_change_work; 1528 1529 struct iwl_hw_params hw_params; 1530 1531 u32 inta_mask; 1532 1533 struct workqueue_struct *workqueue; 1534 1535 struct work_struct restart; 1536 struct work_struct scan_completed; 1537 struct work_struct rx_replenish; 1538 struct work_struct abort_scan; 1539 1540 struct work_struct beacon_update; 1541 struct iwl_rxon_context *beacon_ctx; 1542 struct sk_buff *beacon_skb; 1543 void *beacon_cmd; 1544 1545 struct work_struct tt_work; 1546 struct work_struct ct_enter; 1547 struct work_struct ct_exit; 1548 struct work_struct start_internal_scan; 1549 struct work_struct tx_flush; 1550 struct work_struct bt_full_concurrency; 1551 struct work_struct bt_runtime_config; 1552 1553 struct tasklet_struct irq_tasklet; 1554 1555 struct delayed_work scan_check; 1556 1557 /* TX Power */ 1558 s8 tx_power_user_lmt; 1559 s8 tx_power_device_lmt; 1560 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */ 1561 s8 tx_power_next; 1562 1563 1564#ifdef CONFIG_IWLWIFI_DEBUG 1565 /* debugging info */ 1566 u32 debug_level; /* per device debugging will override global 1567 iwl_debug_level if set */ 1568#endif /* CONFIG_IWLWIFI_DEBUG */ 1569#ifdef CONFIG_IWLWIFI_DEBUGFS 1570 /* debugfs */ 1571 u16 tx_traffic_idx; 1572 u16 rx_traffic_idx; 1573 u8 *tx_traffic; 1574 u8 *rx_traffic; 1575 struct dentry *debugfs_dir; 1576 u32 dbgfs_sram_offset, dbgfs_sram_len; 1577 bool disable_ht40; 1578#endif /* CONFIG_IWLWIFI_DEBUGFS */ 1579 1580 struct work_struct txpower_work; 1581 u32 disable_sens_cal; 1582 u32 disable_chain_noise_cal; 1583 struct work_struct run_time_calib_work; 1584 struct timer_list statistics_periodic; 1585 struct timer_list ucode_trace; 1586 struct timer_list watchdog; 1587 1588 struct iwl_event_log event_log; 1589 1590 struct led_classdev led; 1591 unsigned long blink_on, blink_off; 1592 bool led_registered; 1593#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL 1594 struct iwl_testmode_trace testmode_trace; 1595#endif 1596 u32 dbg_fixed_rate; 1597 1598}; /*iwl_priv */ 1599 1600static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) 1601{ 1602 set_bit(txq_id, &priv->txq_ctx_active_msk); 1603} 1604 1605static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id) 1606{ 1607 clear_bit(txq_id, &priv->txq_ctx_active_msk); 1608} 1609 1610#ifdef CONFIG_IWLWIFI_DEBUG 1611/* 1612 * iwl_get_debug_level: Return active debug level for device 1613 * 1614 * Using sysfs it is possible to set per device debug level. This debug 1615 * level will be used if set, otherwise the global debug level which can be 1616 * set via module parameter is used. 1617 */ 1618static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1619{ 1620 if (priv->debug_level) 1621 return priv->debug_level; 1622 else 1623 return iwl_debug_level; 1624} 1625#else 1626static inline u32 iwl_get_debug_level(struct iwl_priv *priv) 1627{ 1628 return iwl_debug_level; 1629} 1630#endif 1631 1632 1633static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv, 1634 int txq_id, int idx) 1635{ 1636 if (priv->txq[txq_id].txb[idx].skb) 1637 return (struct ieee80211_hdr *)priv->txq[txq_id]. 1638 txb[idx].skb->data; 1639 return NULL; 1640} 1641 1642static inline struct iwl_rxon_context * 1643iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif) 1644{ 1645 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; 1646 1647 return vif_priv->ctx; 1648} 1649 1650#define for_each_context(priv, ctx) \ 1651 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \ 1652 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \ 1653 if (priv->valid_contexts & BIT(ctx->ctxid)) 1654 1655static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx) 1656{ 1657 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; 1658} 1659 1660static inline int iwl_is_associated(struct iwl_priv *priv, 1661 enum iwl_rxon_context_id ctxid) 1662{ 1663 return iwl_is_associated_ctx(&priv->contexts[ctxid]); 1664} 1665 1666static inline int iwl_is_any_associated(struct iwl_priv *priv) 1667{ 1668 struct iwl_rxon_context *ctx; 1669 for_each_context(priv, ctx) 1670 if (iwl_is_associated_ctx(ctx)) 1671 return true; 1672 return false; 1673} 1674 1675static inline int is_channel_valid(const struct iwl_channel_info *ch_info) 1676{ 1677 if (ch_info == NULL) 1678 return 0; 1679 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; 1680} 1681 1682static inline int is_channel_radar(const struct iwl_channel_info *ch_info) 1683{ 1684 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; 1685} 1686 1687static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info) 1688{ 1689 return ch_info->band == IEEE80211_BAND_5GHZ; 1690} 1691 1692static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info) 1693{ 1694 return ch_info->band == IEEE80211_BAND_2GHZ; 1695} 1696 1697static inline int is_channel_passive(const struct iwl_channel_info *ch) 1698{ 1699 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; 1700} 1701 1702static inline int is_channel_ibss(const struct iwl_channel_info *ch) 1703{ 1704 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; 1705} 1706 1707static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page) 1708{ 1709 __free_pages(page, priv->hw_params.rx_page_order); 1710} 1711 1712static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page) 1713{ 1714 free_pages(page, priv->hw_params.rx_page_order); 1715} 1716#endif /* __iwl_dev_h__ */ 1717