1/* 2 Copyright (C) 2010 Willow Garage <http://www.willowgarage.com> 3 Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com> 4 Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com> 5 <http://rt2x00.serialmonkey.com> 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21/* 22 Module: rt2x00 23 Abstract: rt2x00 global information. 24 */ 25 26#ifndef RT2X00_H 27#define RT2X00_H 28 29#include <linux/bitops.h> 30#include <linux/interrupt.h> 31#include <linux/skbuff.h> 32#include <linux/workqueue.h> 33#include <linux/firmware.h> 34#include <linux/leds.h> 35#include <linux/mutex.h> 36#include <linux/etherdevice.h> 37#include <linux/input-polldev.h> 38#include <linux/kfifo.h> 39#include <linux/hrtimer.h> 40#include <linux/average.h> 41 42#include <net/mac80211.h> 43 44#include "rt2x00debug.h" 45#include "rt2x00dump.h" 46#include "rt2x00leds.h" 47#include "rt2x00reg.h" 48#include "rt2x00queue.h" 49 50/* 51 * Module information. 52 */ 53#define DRV_VERSION "2.3.0" 54#define DRV_PROJECT "http://rt2x00.serialmonkey.com" 55 56/* Debug definitions. 57 * Debug output has to be enabled during compile time. 58 */ 59#ifdef CONFIG_RT2X00_DEBUG 60#define DEBUG 61#endif /* CONFIG_RT2X00_DEBUG */ 62 63/* Utility printing macros 64 * rt2x00_probe_err is for messages when rt2x00_dev is uninitialized 65 */ 66#define rt2x00_probe_err(fmt, ...) \ 67 printk(KERN_ERR KBUILD_MODNAME ": %s: Error - " fmt, \ 68 __func__, ##__VA_ARGS__) 69#define rt2x00_err(dev, fmt, ...) \ 70 wiphy_err((dev)->hw->wiphy, "%s: Error - " fmt, \ 71 __func__, ##__VA_ARGS__) 72#define rt2x00_warn(dev, fmt, ...) \ 73 wiphy_warn((dev)->hw->wiphy, "%s: Warning - " fmt, \ 74 __func__, ##__VA_ARGS__) 75#define rt2x00_info(dev, fmt, ...) \ 76 wiphy_info((dev)->hw->wiphy, "%s: Info - " fmt, \ 77 __func__, ##__VA_ARGS__) 78 79/* Various debug levels */ 80#define rt2x00_dbg(dev, fmt, ...) \ 81 wiphy_dbg((dev)->hw->wiphy, "%s: Debug - " fmt, \ 82 __func__, ##__VA_ARGS__) 83#define rt2x00_eeprom_dbg(dev, fmt, ...) \ 84 wiphy_dbg((dev)->hw->wiphy, "%s: EEPROM recovery - " fmt, \ 85 __func__, ##__VA_ARGS__) 86 87/* 88 * Duration calculations 89 * The rate variable passed is: 100kbs. 90 * To convert from bytes to bits we multiply size with 8, 91 * then the size is multiplied with 10 to make the 92 * real rate -> rate argument correction. 93 */ 94#define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate)) 95#define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate)) 96 97/* 98 * Determine the number of L2 padding bytes required between the header and 99 * the payload. 100 */ 101#define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3) 102 103/* 104 * Determine the alignment requirement, 105 * to make sure the 802.11 payload is padded to a 4-byte boundrary 106 * we must determine the address of the payload and calculate the 107 * amount of bytes needed to move the data. 108 */ 109#define ALIGN_SIZE(__skb, __header) \ 110 ( ((unsigned long)((__skb)->data + (__header))) & 3 ) 111 112/* 113 * Constants for extra TX headroom for alignment purposes. 114 */ 115#define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */ 116#define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */ 117 118/* 119 * Standard timing and size defines. 120 * These values should follow the ieee80211 specifications. 121 */ 122#define ACK_SIZE 14 123#define IEEE80211_HEADER 24 124#define PLCP 48 125#define BEACON 100 126#define PREAMBLE 144 127#define SHORT_PREAMBLE 72 128#define SLOT_TIME 20 129#define SHORT_SLOT_TIME 9 130#define SIFS 10 131#define PIFS ( SIFS + SLOT_TIME ) 132#define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME ) 133#define DIFS ( PIFS + SLOT_TIME ) 134#define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME ) 135#define EIFS ( SIFS + DIFS + \ 136 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) ) 137#define SHORT_EIFS ( SIFS + SHORT_DIFS + \ 138 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) ) 139 140enum rt2x00_chip_intf { 141 RT2X00_CHIP_INTF_PCI, 142 RT2X00_CHIP_INTF_PCIE, 143 RT2X00_CHIP_INTF_USB, 144 RT2X00_CHIP_INTF_SOC, 145}; 146 147/* 148 * Chipset identification 149 * The chipset on the device is composed of a RT and RF chip. 150 * The chipset combination is important for determining device capabilities. 151 */ 152struct rt2x00_chip { 153 u16 rt; 154#define RT2460 0x2460 155#define RT2560 0x2560 156#define RT2570 0x2570 157#define RT2661 0x2661 158#define RT2573 0x2573 159#define RT2860 0x2860 /* 2.4GHz */ 160#define RT2872 0x2872 /* WSOC */ 161#define RT2883 0x2883 /* WSOC */ 162#define RT3070 0x3070 163#define RT3071 0x3071 164#define RT3090 0x3090 /* 2.4GHz PCIe */ 165#define RT3290 0x3290 166#define RT3352 0x3352 /* WSOC */ 167#define RT3390 0x3390 168#define RT3572 0x3572 169#define RT3593 0x3593 170#define RT3883 0x3883 /* WSOC */ 171#define RT5390 0x5390 /* 2.4GHz */ 172#define RT5392 0x5392 /* 2.4GHz */ 173#define RT5592 0x5592 174 175 u16 rf; 176 u16 rev; 177 178 enum rt2x00_chip_intf intf; 179}; 180 181/* 182 * RF register values that belong to a particular channel. 183 */ 184struct rf_channel { 185 int channel; 186 u32 rf1; 187 u32 rf2; 188 u32 rf3; 189 u32 rf4; 190}; 191 192/* 193 * Channel information structure 194 */ 195struct channel_info { 196 unsigned int flags; 197#define GEOGRAPHY_ALLOWED 0x00000001 198 199 short max_power; 200 short default_power1; 201 short default_power2; 202 short default_power3; 203}; 204 205/* 206 * Antenna setup values. 207 */ 208struct antenna_setup { 209 enum antenna rx; 210 enum antenna tx; 211 u8 rx_chain_num; 212 u8 tx_chain_num; 213}; 214 215/* 216 * Quality statistics about the currently active link. 217 */ 218struct link_qual { 219 /* 220 * Statistics required for Link tuning by driver 221 * The rssi value is provided by rt2x00lib during the 222 * link_tuner() callback function. 223 * The false_cca field is filled during the link_stats() 224 * callback function and could be used during the 225 * link_tuner() callback function. 226 */ 227 int rssi; 228 int false_cca; 229 230 /* 231 * VGC levels 232 * Hardware driver will tune the VGC level during each call 233 * to the link_tuner() callback function. This vgc_level is 234 * is determined based on the link quality statistics like 235 * average RSSI and the false CCA count. 236 * 237 * In some cases the drivers need to differentiate between 238 * the currently "desired" VGC level and the level configured 239 * in the hardware. The latter is important to reduce the 240 * number of BBP register reads to reduce register access 241 * overhead. For this reason we store both values here. 242 */ 243 u8 vgc_level; 244 u8 vgc_level_reg; 245 246 /* 247 * Statistics required for Signal quality calculation. 248 * These fields might be changed during the link_stats() 249 * callback function. 250 */ 251 int rx_success; 252 int rx_failed; 253 int tx_success; 254 int tx_failed; 255}; 256 257/* 258 * Antenna settings about the currently active link. 259 */ 260struct link_ant { 261 /* 262 * Antenna flags 263 */ 264 unsigned int flags; 265#define ANTENNA_RX_DIVERSITY 0x00000001 266#define ANTENNA_TX_DIVERSITY 0x00000002 267#define ANTENNA_MODE_SAMPLE 0x00000004 268 269 /* 270 * Currently active TX/RX antenna setup. 271 * When software diversity is used, this will indicate 272 * which antenna is actually used at this time. 273 */ 274 struct antenna_setup active; 275 276 /* 277 * RSSI history information for the antenna. 278 * Used to determine when to switch antenna 279 * when using software diversity. 280 */ 281 int rssi_history; 282 283 /* 284 * Current RSSI average of the currently active antenna. 285 * Similar to the avg_rssi in the link_qual structure 286 * this value is updated by using the walking average. 287 */ 288 struct ewma rssi_ant; 289}; 290 291/* 292 * To optimize the quality of the link we need to store 293 * the quality of received frames and periodically 294 * optimize the link. 295 */ 296struct link { 297 /* 298 * Link tuner counter 299 * The number of times the link has been tuned 300 * since the radio has been switched on. 301 */ 302 u32 count; 303 304 /* 305 * Quality measurement values. 306 */ 307 struct link_qual qual; 308 309 /* 310 * TX/RX antenna setup. 311 */ 312 struct link_ant ant; 313 314 /* 315 * Currently active average RSSI value 316 */ 317 struct ewma avg_rssi; 318 319 /* 320 * Work structure for scheduling periodic link tuning. 321 */ 322 struct delayed_work work; 323 324 /* 325 * Work structure for scheduling periodic watchdog monitoring. 326 * This work must be scheduled on the kernel workqueue, while 327 * all other work structures must be queued on the mac80211 328 * workqueue. This guarantees that the watchdog can schedule 329 * other work structures and wait for their completion in order 330 * to bring the device/driver back into the desired state. 331 */ 332 struct delayed_work watchdog_work; 333 334 /* 335 * Work structure for scheduling periodic AGC adjustments. 336 */ 337 struct delayed_work agc_work; 338 339 /* 340 * Work structure for scheduling periodic VCO calibration. 341 */ 342 struct delayed_work vco_work; 343}; 344 345enum rt2x00_delayed_flags { 346 DELAYED_UPDATE_BEACON, 347}; 348 349/* 350 * Interface structure 351 * Per interface configuration details, this structure 352 * is allocated as the private data for ieee80211_vif. 353 */ 354struct rt2x00_intf { 355 /* 356 * beacon->skb must be protected with the mutex. 357 */ 358 struct mutex beacon_skb_mutex; 359 360 /* 361 * Entry in the beacon queue which belongs to 362 * this interface. Each interface has its own 363 * dedicated beacon entry. 364 */ 365 struct queue_entry *beacon; 366 bool enable_beacon; 367 368 /* 369 * Actions that needed rescheduling. 370 */ 371 unsigned long delayed_flags; 372 373 /* 374 * Software sequence counter, this is only required 375 * for hardware which doesn't support hardware 376 * sequence counting. 377 */ 378 atomic_t seqno; 379}; 380 381static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) 382{ 383 return (struct rt2x00_intf *)vif->drv_priv; 384} 385 386/** 387 * struct hw_mode_spec: Hardware specifications structure 388 * 389 * Details about the supported modes, rates and channels 390 * of a particular chipset. This is used by rt2x00lib 391 * to build the ieee80211_hw_mode array for mac80211. 392 * 393 * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz). 394 * @supported_rates: Rate types which are supported (CCK, OFDM). 395 * @num_channels: Number of supported channels. This is used as array size 396 * for @tx_power_a, @tx_power_bg and @channels. 397 * @channels: Device/chipset specific channel values (See &struct rf_channel). 398 * @channels_info: Additional information for channels (See &struct channel_info). 399 * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap). 400 */ 401struct hw_mode_spec { 402 unsigned int supported_bands; 403#define SUPPORT_BAND_2GHZ 0x00000001 404#define SUPPORT_BAND_5GHZ 0x00000002 405 406 unsigned int supported_rates; 407#define SUPPORT_RATE_CCK 0x00000001 408#define SUPPORT_RATE_OFDM 0x00000002 409 410 unsigned int num_channels; 411 const struct rf_channel *channels; 412 const struct channel_info *channels_info; 413 414 struct ieee80211_sta_ht_cap ht; 415}; 416 417/* 418 * Configuration structure wrapper around the 419 * mac80211 configuration structure. 420 * When mac80211 configures the driver, rt2x00lib 421 * can precalculate values which are equal for all 422 * rt2x00 drivers. Those values can be stored in here. 423 */ 424struct rt2x00lib_conf { 425 struct ieee80211_conf *conf; 426 427 struct rf_channel rf; 428 struct channel_info channel; 429}; 430 431/* 432 * Configuration structure for erp settings. 433 */ 434struct rt2x00lib_erp { 435 int short_preamble; 436 int cts_protection; 437 438 u32 basic_rates; 439 440 int slot_time; 441 442 short sifs; 443 short pifs; 444 short difs; 445 short eifs; 446 447 u16 beacon_int; 448 u16 ht_opmode; 449}; 450 451/* 452 * Configuration structure for hardware encryption. 453 */ 454struct rt2x00lib_crypto { 455 enum cipher cipher; 456 457 enum set_key_cmd cmd; 458 const u8 *address; 459 460 u32 bssidx; 461 462 u8 key[16]; 463 u8 tx_mic[8]; 464 u8 rx_mic[8]; 465 466 int wcid; 467}; 468 469/* 470 * Configuration structure wrapper around the 471 * rt2x00 interface configuration handler. 472 */ 473struct rt2x00intf_conf { 474 /* 475 * Interface type 476 */ 477 enum nl80211_iftype type; 478 479 /* 480 * TSF sync value, this is dependent on the operation type. 481 */ 482 enum tsf_sync sync; 483 484 /* 485 * The MAC and BSSID addresses are simple array of bytes, 486 * these arrays are little endian, so when sending the addresses 487 * to the drivers, copy the it into a endian-signed variable. 488 * 489 * Note that all devices (except rt2500usb) have 32 bits 490 * register word sizes. This means that whatever variable we 491 * pass _must_ be a multiple of 32 bits. Otherwise the device 492 * might not accept what we are sending to it. 493 * This will also make it easier for the driver to write 494 * the data to the device. 495 */ 496 __le32 mac[2]; 497 __le32 bssid[2]; 498}; 499 500/* 501 * Private structure for storing STA details 502 * wcid: Wireless Client ID 503 */ 504struct rt2x00_sta { 505 int wcid; 506}; 507 508static inline struct rt2x00_sta* sta_to_rt2x00_sta(struct ieee80211_sta *sta) 509{ 510 return (struct rt2x00_sta *)sta->drv_priv; 511} 512 513/* 514 * rt2x00lib callback functions. 515 */ 516struct rt2x00lib_ops { 517 /* 518 * Interrupt handlers. 519 */ 520 irq_handler_t irq_handler; 521 522 /* 523 * TX status tasklet handler. 524 */ 525 void (*txstatus_tasklet) (unsigned long data); 526 void (*pretbtt_tasklet) (unsigned long data); 527 void (*tbtt_tasklet) (unsigned long data); 528 void (*rxdone_tasklet) (unsigned long data); 529 void (*autowake_tasklet) (unsigned long data); 530 531 /* 532 * Device init handlers. 533 */ 534 int (*probe_hw) (struct rt2x00_dev *rt2x00dev); 535 char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev); 536 int (*check_firmware) (struct rt2x00_dev *rt2x00dev, 537 const u8 *data, const size_t len); 538 int (*load_firmware) (struct rt2x00_dev *rt2x00dev, 539 const u8 *data, const size_t len); 540 541 /* 542 * Device initialization/deinitialization handlers. 543 */ 544 int (*initialize) (struct rt2x00_dev *rt2x00dev); 545 void (*uninitialize) (struct rt2x00_dev *rt2x00dev); 546 547 /* 548 * queue initialization handlers 549 */ 550 bool (*get_entry_state) (struct queue_entry *entry); 551 void (*clear_entry) (struct queue_entry *entry); 552 553 /* 554 * Radio control handlers. 555 */ 556 int (*set_device_state) (struct rt2x00_dev *rt2x00dev, 557 enum dev_state state); 558 int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev); 559 void (*link_stats) (struct rt2x00_dev *rt2x00dev, 560 struct link_qual *qual); 561 void (*reset_tuner) (struct rt2x00_dev *rt2x00dev, 562 struct link_qual *qual); 563 void (*link_tuner) (struct rt2x00_dev *rt2x00dev, 564 struct link_qual *qual, const u32 count); 565 void (*gain_calibration) (struct rt2x00_dev *rt2x00dev); 566 void (*vco_calibration) (struct rt2x00_dev *rt2x00dev); 567 568 /* 569 * Data queue handlers. 570 */ 571 void (*watchdog) (struct rt2x00_dev *rt2x00dev); 572 void (*start_queue) (struct data_queue *queue); 573 void (*kick_queue) (struct data_queue *queue); 574 void (*stop_queue) (struct data_queue *queue); 575 void (*flush_queue) (struct data_queue *queue, bool drop); 576 void (*tx_dma_done) (struct queue_entry *entry); 577 578 /* 579 * TX control handlers 580 */ 581 void (*write_tx_desc) (struct queue_entry *entry, 582 struct txentry_desc *txdesc); 583 void (*write_tx_data) (struct queue_entry *entry, 584 struct txentry_desc *txdesc); 585 void (*write_beacon) (struct queue_entry *entry, 586 struct txentry_desc *txdesc); 587 void (*clear_beacon) (struct queue_entry *entry); 588 int (*get_tx_data_len) (struct queue_entry *entry); 589 590 /* 591 * RX control handlers 592 */ 593 void (*fill_rxdone) (struct queue_entry *entry, 594 struct rxdone_entry_desc *rxdesc); 595 596 /* 597 * Configuration handlers. 598 */ 599 int (*config_shared_key) (struct rt2x00_dev *rt2x00dev, 600 struct rt2x00lib_crypto *crypto, 601 struct ieee80211_key_conf *key); 602 int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev, 603 struct rt2x00lib_crypto *crypto, 604 struct ieee80211_key_conf *key); 605 void (*config_filter) (struct rt2x00_dev *rt2x00dev, 606 const unsigned int filter_flags); 607 void (*config_intf) (struct rt2x00_dev *rt2x00dev, 608 struct rt2x00_intf *intf, 609 struct rt2x00intf_conf *conf, 610 const unsigned int flags); 611#define CONFIG_UPDATE_TYPE ( 1 << 1 ) 612#define CONFIG_UPDATE_MAC ( 1 << 2 ) 613#define CONFIG_UPDATE_BSSID ( 1 << 3 ) 614 615 void (*config_erp) (struct rt2x00_dev *rt2x00dev, 616 struct rt2x00lib_erp *erp, 617 u32 changed); 618 void (*config_ant) (struct rt2x00_dev *rt2x00dev, 619 struct antenna_setup *ant); 620 void (*config) (struct rt2x00_dev *rt2x00dev, 621 struct rt2x00lib_conf *libconf, 622 const unsigned int changed_flags); 623 int (*sta_add) (struct rt2x00_dev *rt2x00dev, 624 struct ieee80211_vif *vif, 625 struct ieee80211_sta *sta); 626 int (*sta_remove) (struct rt2x00_dev *rt2x00dev, 627 int wcid); 628}; 629 630/* 631 * rt2x00 driver callback operation structure. 632 */ 633struct rt2x00_ops { 634 const char *name; 635 const unsigned int drv_data_size; 636 const unsigned int max_ap_intf; 637 const unsigned int eeprom_size; 638 const unsigned int rf_size; 639 const unsigned int tx_queues; 640 void (*queue_init)(struct data_queue *queue); 641 const struct rt2x00lib_ops *lib; 642 const void *drv; 643 const struct ieee80211_ops *hw; 644#ifdef CONFIG_RT2X00_LIB_DEBUGFS 645 const struct rt2x00debug *debugfs; 646#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ 647}; 648 649/* 650 * rt2x00 state flags 651 */ 652enum rt2x00_state_flags { 653 /* 654 * Device flags 655 */ 656 DEVICE_STATE_PRESENT, 657 DEVICE_STATE_REGISTERED_HW, 658 DEVICE_STATE_INITIALIZED, 659 DEVICE_STATE_STARTED, 660 DEVICE_STATE_ENABLED_RADIO, 661 DEVICE_STATE_SCANNING, 662 663 /* 664 * Driver configuration 665 */ 666 CONFIG_CHANNEL_HT40, 667 CONFIG_POWERSAVING, 668 CONFIG_HT_DISABLED, 669 CONFIG_QOS_DISABLED, 670 671 /* 672 * Mark we currently are sequentially reading TX_STA_FIFO register 673 * FIXME: this is for only rt2800usb, should go to private data 674 */ 675 TX_STATUS_READING, 676}; 677 678/* 679 * rt2x00 capability flags 680 */ 681enum rt2x00_capability_flags { 682 /* 683 * Requirements 684 */ 685 REQUIRE_FIRMWARE, 686 REQUIRE_BEACON_GUARD, 687 REQUIRE_ATIM_QUEUE, 688 REQUIRE_DMA, 689 REQUIRE_COPY_IV, 690 REQUIRE_L2PAD, 691 REQUIRE_TXSTATUS_FIFO, 692 REQUIRE_TASKLET_CONTEXT, 693 REQUIRE_SW_SEQNO, 694 REQUIRE_HT_TX_DESC, 695 REQUIRE_PS_AUTOWAKE, 696 REQUIRE_DELAYED_RFKILL, 697 698 /* 699 * Capabilities 700 */ 701 CAPABILITY_HW_BUTTON, 702 CAPABILITY_HW_CRYPTO, 703 CAPABILITY_POWER_LIMIT, 704 CAPABILITY_CONTROL_FILTERS, 705 CAPABILITY_CONTROL_FILTER_PSPOLL, 706 CAPABILITY_PRE_TBTT_INTERRUPT, 707 CAPABILITY_LINK_TUNING, 708 CAPABILITY_FRAME_TYPE, 709 CAPABILITY_RF_SEQUENCE, 710 CAPABILITY_EXTERNAL_LNA_A, 711 CAPABILITY_EXTERNAL_LNA_BG, 712 CAPABILITY_DOUBLE_ANTENNA, 713 CAPABILITY_BT_COEXIST, 714 CAPABILITY_VCO_RECALIBRATION, 715}; 716 717/* 718 * Interface combinations 719 */ 720enum { 721 IF_COMB_AP = 0, 722 NUM_IF_COMB, 723}; 724 725/* 726 * rt2x00 device structure. 727 */ 728struct rt2x00_dev { 729 /* 730 * Device structure. 731 * The structure stored in here depends on the 732 * system bus (PCI or USB). 733 * When accessing this variable, the rt2x00dev_{pci,usb} 734 * macros should be used for correct typecasting. 735 */ 736 struct device *dev; 737 738 /* 739 * Callback functions. 740 */ 741 const struct rt2x00_ops *ops; 742 743 /* 744 * Driver data. 745 */ 746 void *drv_data; 747 748 /* 749 * IEEE80211 control structure. 750 */ 751 struct ieee80211_hw *hw; 752 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; 753 enum ieee80211_band curr_band; 754 int curr_freq; 755 756 /* 757 * If enabled, the debugfs interface structures 758 * required for deregistration of debugfs. 759 */ 760#ifdef CONFIG_RT2X00_LIB_DEBUGFS 761 struct rt2x00debug_intf *debugfs_intf; 762#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ 763 764 /* 765 * LED structure for changing the LED status 766 * by mac8011 or the kernel. 767 */ 768#ifdef CONFIG_RT2X00_LIB_LEDS 769 struct rt2x00_led led_radio; 770 struct rt2x00_led led_assoc; 771 struct rt2x00_led led_qual; 772 u16 led_mcu_reg; 773#endif /* CONFIG_RT2X00_LIB_LEDS */ 774 775 /* 776 * Device state flags. 777 * In these flags the current status is stored. 778 * Access to these flags should occur atomically. 779 */ 780 unsigned long flags; 781 782 /* 783 * Device capabiltiy flags. 784 * In these flags the device/driver capabilities are stored. 785 * Access to these flags should occur non-atomically. 786 */ 787 unsigned long cap_flags; 788 789 /* 790 * Device information, Bus IRQ and name (PCI, SoC) 791 */ 792 int irq; 793 const char *name; 794 795 /* 796 * Chipset identification. 797 */ 798 struct rt2x00_chip chip; 799 800 /* 801 * hw capability specifications. 802 */ 803 struct hw_mode_spec spec; 804 805 /* 806 * This is the default TX/RX antenna setup as indicated 807 * by the device's EEPROM. 808 */ 809 struct antenna_setup default_ant; 810 811 /* 812 * Register pointers 813 * csr.base: CSR base register address. (PCI) 814 * csr.cache: CSR cache for usb_control_msg. (USB) 815 */ 816 union csr { 817 void __iomem *base; 818 void *cache; 819 } csr; 820 821 /* 822 * Mutex to protect register accesses. 823 * For PCI and USB devices it protects against concurrent indirect 824 * register access (BBP, RF, MCU) since accessing those 825 * registers require multiple calls to the CSR registers. 826 * For USB devices it also protects the csr_cache since that 827 * field is used for normal CSR access and it cannot support 828 * multiple callers simultaneously. 829 */ 830 struct mutex csr_mutex; 831 832 /* 833 * Current packet filter configuration for the device. 834 * This contains all currently active FIF_* flags send 835 * to us by mac80211 during configure_filter(). 836 */ 837 unsigned int packet_filter; 838 839 /* 840 * Interface details: 841 * - Open ap interface count. 842 * - Open sta interface count. 843 * - Association count. 844 * - Beaconing enabled count. 845 */ 846 unsigned int intf_ap_count; 847 unsigned int intf_sta_count; 848 unsigned int intf_associated; 849 unsigned int intf_beaconing; 850 851 /* 852 * Interface combinations 853 */ 854 struct ieee80211_iface_limit if_limits_ap; 855 struct ieee80211_iface_combination if_combinations[NUM_IF_COMB]; 856 857 /* 858 * Link quality 859 */ 860 struct link link; 861 862 /* 863 * EEPROM data. 864 */ 865 __le16 *eeprom; 866 867 /* 868 * Active RF register values. 869 * These are stored here so we don't need 870 * to read the rf registers and can directly 871 * use this value instead. 872 * This field should be accessed by using 873 * rt2x00_rf_read() and rt2x00_rf_write(). 874 */ 875 u32 *rf; 876 877 /* 878 * LNA gain 879 */ 880 short lna_gain; 881 882 /* 883 * Current TX power value. 884 */ 885 u16 tx_power; 886 887 /* 888 * Current retry values. 889 */ 890 u8 short_retry; 891 u8 long_retry; 892 893 /* 894 * Rssi <-> Dbm offset 895 */ 896 u8 rssi_offset; 897 898 /* 899 * Frequency offset. 900 */ 901 u8 freq_offset; 902 903 /* 904 * Association id. 905 */ 906 u16 aid; 907 908 /* 909 * Beacon interval. 910 */ 911 u16 beacon_int; 912 913 /** 914 * Timestamp of last received beacon 915 */ 916 unsigned long last_beacon; 917 918 /* 919 * Low level statistics which will have 920 * to be kept up to date while device is running. 921 */ 922 struct ieee80211_low_level_stats low_level_stats; 923 924 /** 925 * Work queue for all work which should not be placed 926 * on the mac80211 workqueue (because of dependencies 927 * between various work structures). 928 */ 929 struct workqueue_struct *workqueue; 930 931 /* 932 * Scheduled work. 933 * NOTE: intf_work will use ieee80211_iterate_active_interfaces() 934 * which means it cannot be placed on the hw->workqueue 935 * due to RTNL locking requirements. 936 */ 937 struct work_struct intf_work; 938 939 /** 940 * Scheduled work for TX/RX done handling (USB devices) 941 */ 942 struct work_struct rxdone_work; 943 struct work_struct txdone_work; 944 945 /* 946 * Powersaving work 947 */ 948 struct delayed_work autowakeup_work; 949 struct work_struct sleep_work; 950 951 /* 952 * Data queue arrays for RX, TX, Beacon and ATIM. 953 */ 954 unsigned int data_queues; 955 struct data_queue *rx; 956 struct data_queue *tx; 957 struct data_queue *bcn; 958 struct data_queue *atim; 959 960 /* 961 * Firmware image. 962 */ 963 const struct firmware *fw; 964 965 /* 966 * FIFO for storing tx status reports between isr and tasklet. 967 */ 968 DECLARE_KFIFO_PTR(txstatus_fifo, u32); 969 970 /* 971 * Timer to ensure tx status reports are read (rt2800usb). 972 */ 973 struct hrtimer txstatus_timer; 974 975 /* 976 * Tasklet for processing tx status reports (rt2800pci). 977 */ 978 struct tasklet_struct txstatus_tasklet; 979 struct tasklet_struct pretbtt_tasklet; 980 struct tasklet_struct tbtt_tasklet; 981 struct tasklet_struct rxdone_tasklet; 982 struct tasklet_struct autowake_tasklet; 983 984 /* 985 * Used for VCO periodic calibration. 986 */ 987 int rf_channel; 988 989 /* 990 * Protect the interrupt mask register. 991 */ 992 spinlock_t irqmask_lock; 993 994 /* 995 * List of BlockAckReq TX entries that need driver BlockAck processing. 996 */ 997 struct list_head bar_list; 998 spinlock_t bar_list_lock; 999 1000 /* Extra TX headroom required for alignment purposes. */ 1001 unsigned int extra_tx_headroom; 1002}; 1003 1004struct rt2x00_bar_list_entry { 1005 struct list_head list; 1006 struct rcu_head head; 1007 1008 struct queue_entry *entry; 1009 int block_acked; 1010 1011 /* Relevant parts of the IEEE80211 BAR header */ 1012 __u8 ra[6]; 1013 __u8 ta[6]; 1014 __le16 control; 1015 __le16 start_seq_num; 1016}; 1017 1018/* 1019 * Register defines. 1020 * Some registers require multiple attempts before success, 1021 * in those cases REGISTER_BUSY_COUNT attempts should be 1022 * taken with a REGISTER_BUSY_DELAY interval. 1023 */ 1024#define REGISTER_BUSY_COUNT 100 1025#define REGISTER_BUSY_DELAY 100 1026 1027/* 1028 * Generic RF access. 1029 * The RF is being accessed by word index. 1030 */ 1031static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev, 1032 const unsigned int word, u32 *data) 1033{ 1034 BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32)); 1035 *data = rt2x00dev->rf[word - 1]; 1036} 1037 1038static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev, 1039 const unsigned int word, u32 data) 1040{ 1041 BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32)); 1042 rt2x00dev->rf[word - 1] = data; 1043} 1044 1045/* 1046 * Generic EEPROM access. The EEPROM is being accessed by word or byte index. 1047 */ 1048static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev, 1049 const unsigned int word) 1050{ 1051 return (void *)&rt2x00dev->eeprom[word]; 1052} 1053 1054static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev, 1055 const unsigned int word, u16 *data) 1056{ 1057 *data = le16_to_cpu(rt2x00dev->eeprom[word]); 1058} 1059 1060static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev, 1061 const unsigned int word, u16 data) 1062{ 1063 rt2x00dev->eeprom[word] = cpu_to_le16(data); 1064} 1065 1066static inline u8 rt2x00_eeprom_byte(struct rt2x00_dev *rt2x00dev, 1067 const unsigned int byte) 1068{ 1069 return *(((u8 *)rt2x00dev->eeprom) + byte); 1070} 1071 1072/* 1073 * Chipset handlers 1074 */ 1075static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev, 1076 const u16 rt, const u16 rf, const u16 rev) 1077{ 1078 rt2x00dev->chip.rt = rt; 1079 rt2x00dev->chip.rf = rf; 1080 rt2x00dev->chip.rev = rev; 1081 1082 rt2x00_info(rt2x00dev, "Chipset detected - rt: %04x, rf: %04x, rev: %04x\n", 1083 rt2x00dev->chip.rt, rt2x00dev->chip.rf, 1084 rt2x00dev->chip.rev); 1085} 1086 1087static inline void rt2x00_set_rt(struct rt2x00_dev *rt2x00dev, 1088 const u16 rt, const u16 rev) 1089{ 1090 rt2x00dev->chip.rt = rt; 1091 rt2x00dev->chip.rev = rev; 1092 1093 rt2x00_info(rt2x00dev, "RT chipset %04x, rev %04x detected\n", 1094 rt2x00dev->chip.rt, rt2x00dev->chip.rev); 1095} 1096 1097static inline void rt2x00_set_rf(struct rt2x00_dev *rt2x00dev, const u16 rf) 1098{ 1099 rt2x00dev->chip.rf = rf; 1100 1101 rt2x00_info(rt2x00dev, "RF chipset %04x detected\n", 1102 rt2x00dev->chip.rf); 1103} 1104 1105static inline bool rt2x00_rt(struct rt2x00_dev *rt2x00dev, const u16 rt) 1106{ 1107 return (rt2x00dev->chip.rt == rt); 1108} 1109 1110static inline bool rt2x00_rf(struct rt2x00_dev *rt2x00dev, const u16 rf) 1111{ 1112 return (rt2x00dev->chip.rf == rf); 1113} 1114 1115static inline u16 rt2x00_rev(struct rt2x00_dev *rt2x00dev) 1116{ 1117 return rt2x00dev->chip.rev; 1118} 1119 1120static inline bool rt2x00_rt_rev(struct rt2x00_dev *rt2x00dev, 1121 const u16 rt, const u16 rev) 1122{ 1123 return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) == rev); 1124} 1125 1126static inline bool rt2x00_rt_rev_lt(struct rt2x00_dev *rt2x00dev, 1127 const u16 rt, const u16 rev) 1128{ 1129 return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) < rev); 1130} 1131 1132static inline bool rt2x00_rt_rev_gte(struct rt2x00_dev *rt2x00dev, 1133 const u16 rt, const u16 rev) 1134{ 1135 return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) >= rev); 1136} 1137 1138static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev, 1139 enum rt2x00_chip_intf intf) 1140{ 1141 rt2x00dev->chip.intf = intf; 1142} 1143 1144static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev, 1145 enum rt2x00_chip_intf intf) 1146{ 1147 return (rt2x00dev->chip.intf == intf); 1148} 1149 1150static inline bool rt2x00_is_pci(struct rt2x00_dev *rt2x00dev) 1151{ 1152 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI) || 1153 rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE); 1154} 1155 1156static inline bool rt2x00_is_pcie(struct rt2x00_dev *rt2x00dev) 1157{ 1158 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE); 1159} 1160 1161static inline bool rt2x00_is_usb(struct rt2x00_dev *rt2x00dev) 1162{ 1163 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB); 1164} 1165 1166static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev) 1167{ 1168 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC); 1169} 1170 1171/* Helpers for capability flags */ 1172 1173static inline bool 1174rt2x00_has_cap_flag(struct rt2x00_dev *rt2x00dev, 1175 enum rt2x00_capability_flags cap_flag) 1176{ 1177 return test_bit(cap_flag, &rt2x00dev->cap_flags); 1178} 1179 1180static inline bool 1181rt2x00_has_cap_hw_crypto(struct rt2x00_dev *rt2x00dev) 1182{ 1183 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_HW_CRYPTO); 1184} 1185 1186static inline bool 1187rt2x00_has_cap_power_limit(struct rt2x00_dev *rt2x00dev) 1188{ 1189 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_POWER_LIMIT); 1190} 1191 1192static inline bool 1193rt2x00_has_cap_control_filters(struct rt2x00_dev *rt2x00dev) 1194{ 1195 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_CONTROL_FILTERS); 1196} 1197 1198static inline bool 1199rt2x00_has_cap_control_filter_pspoll(struct rt2x00_dev *rt2x00dev) 1200{ 1201 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_CONTROL_FILTER_PSPOLL); 1202} 1203 1204static inline bool 1205rt2x00_has_cap_pre_tbtt_interrupt(struct rt2x00_dev *rt2x00dev) 1206{ 1207 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_PRE_TBTT_INTERRUPT); 1208} 1209 1210static inline bool 1211rt2x00_has_cap_link_tuning(struct rt2x00_dev *rt2x00dev) 1212{ 1213 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_LINK_TUNING); 1214} 1215 1216static inline bool 1217rt2x00_has_cap_frame_type(struct rt2x00_dev *rt2x00dev) 1218{ 1219 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_FRAME_TYPE); 1220} 1221 1222static inline bool 1223rt2x00_has_cap_rf_sequence(struct rt2x00_dev *rt2x00dev) 1224{ 1225 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_RF_SEQUENCE); 1226} 1227 1228static inline bool 1229rt2x00_has_cap_external_lna_a(struct rt2x00_dev *rt2x00dev) 1230{ 1231 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_LNA_A); 1232} 1233 1234static inline bool 1235rt2x00_has_cap_external_lna_bg(struct rt2x00_dev *rt2x00dev) 1236{ 1237 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_LNA_BG); 1238} 1239 1240static inline bool 1241rt2x00_has_cap_double_antenna(struct rt2x00_dev *rt2x00dev) 1242{ 1243 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_DOUBLE_ANTENNA); 1244} 1245 1246static inline bool 1247rt2x00_has_cap_bt_coexist(struct rt2x00_dev *rt2x00dev) 1248{ 1249 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_BT_COEXIST); 1250} 1251 1252static inline bool 1253rt2x00_has_cap_vco_recalibration(struct rt2x00_dev *rt2x00dev) 1254{ 1255 return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_VCO_RECALIBRATION); 1256} 1257 1258/** 1259 * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes. 1260 * @entry: Pointer to &struct queue_entry 1261 * 1262 * Returns -ENOMEM if mapping fail, 0 otherwise. 1263 */ 1264int rt2x00queue_map_txskb(struct queue_entry *entry); 1265 1266/** 1267 * rt2x00queue_unmap_skb - Unmap a skb from DMA. 1268 * @entry: Pointer to &struct queue_entry 1269 */ 1270void rt2x00queue_unmap_skb(struct queue_entry *entry); 1271 1272/** 1273 * rt2x00queue_get_tx_queue - Convert tx queue index to queue pointer 1274 * @rt2x00dev: Pointer to &struct rt2x00_dev. 1275 * @queue: rt2x00 queue index (see &enum data_queue_qid). 1276 * 1277 * Returns NULL for non tx queues. 1278 */ 1279static inline struct data_queue * 1280rt2x00queue_get_tx_queue(struct rt2x00_dev *rt2x00dev, 1281 const enum data_queue_qid queue) 1282{ 1283 if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx) 1284 return &rt2x00dev->tx[queue]; 1285 1286 if (queue == QID_ATIM) 1287 return rt2x00dev->atim; 1288 1289 return NULL; 1290} 1291 1292/** 1293 * rt2x00queue_get_entry - Get queue entry where the given index points to. 1294 * @queue: Pointer to &struct data_queue from where we obtain the entry. 1295 * @index: Index identifier for obtaining the correct index. 1296 */ 1297struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue, 1298 enum queue_index index); 1299 1300/** 1301 * rt2x00queue_pause_queue - Pause a data queue 1302 * @queue: Pointer to &struct data_queue. 1303 * 1304 * This function will pause the data queue locally, preventing 1305 * new frames to be added to the queue (while the hardware is 1306 * still allowed to run). 1307 */ 1308void rt2x00queue_pause_queue(struct data_queue *queue); 1309 1310/** 1311 * rt2x00queue_unpause_queue - unpause a data queue 1312 * @queue: Pointer to &struct data_queue. 1313 * 1314 * This function will unpause the data queue locally, allowing 1315 * new frames to be added to the queue again. 1316 */ 1317void rt2x00queue_unpause_queue(struct data_queue *queue); 1318 1319/** 1320 * rt2x00queue_start_queue - Start a data queue 1321 * @queue: Pointer to &struct data_queue. 1322 * 1323 * This function will start handling all pending frames in the queue. 1324 */ 1325void rt2x00queue_start_queue(struct data_queue *queue); 1326 1327/** 1328 * rt2x00queue_stop_queue - Halt a data queue 1329 * @queue: Pointer to &struct data_queue. 1330 * 1331 * This function will stop all pending frames in the queue. 1332 */ 1333void rt2x00queue_stop_queue(struct data_queue *queue); 1334 1335/** 1336 * rt2x00queue_flush_queue - Flush a data queue 1337 * @queue: Pointer to &struct data_queue. 1338 * @drop: True to drop all pending frames. 1339 * 1340 * This function will flush the queue. After this call 1341 * the queue is guaranteed to be empty. 1342 */ 1343void rt2x00queue_flush_queue(struct data_queue *queue, bool drop); 1344 1345/** 1346 * rt2x00queue_start_queues - Start all data queues 1347 * @rt2x00dev: Pointer to &struct rt2x00_dev. 1348 * 1349 * This function will loop through all available queues to start them 1350 */ 1351void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev); 1352 1353/** 1354 * rt2x00queue_stop_queues - Halt all data queues 1355 * @rt2x00dev: Pointer to &struct rt2x00_dev. 1356 * 1357 * This function will loop through all available queues to stop 1358 * any pending frames. 1359 */ 1360void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev); 1361 1362/** 1363 * rt2x00queue_flush_queues - Flush all data queues 1364 * @rt2x00dev: Pointer to &struct rt2x00_dev. 1365 * @drop: True to drop all pending frames. 1366 * 1367 * This function will loop through all available queues to flush 1368 * any pending frames. 1369 */ 1370void rt2x00queue_flush_queues(struct rt2x00_dev *rt2x00dev, bool drop); 1371 1372/* 1373 * Debugfs handlers. 1374 */ 1375/** 1376 * rt2x00debug_dump_frame - Dump a frame to userspace through debugfs. 1377 * @rt2x00dev: Pointer to &struct rt2x00_dev. 1378 * @type: The type of frame that is being dumped. 1379 * @skb: The skb containing the frame to be dumped. 1380 */ 1381#ifdef CONFIG_RT2X00_LIB_DEBUGFS 1382void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, 1383 enum rt2x00_dump_type type, struct sk_buff *skb); 1384#else 1385static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, 1386 enum rt2x00_dump_type type, 1387 struct sk_buff *skb) 1388{ 1389} 1390#endif /* CONFIG_RT2X00_LIB_DEBUGFS */ 1391 1392/* 1393 * Utility functions. 1394 */ 1395u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev, 1396 struct ieee80211_vif *vif); 1397 1398/* 1399 * Interrupt context handlers. 1400 */ 1401void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev); 1402void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev); 1403void rt2x00lib_dmastart(struct queue_entry *entry); 1404void rt2x00lib_dmadone(struct queue_entry *entry); 1405void rt2x00lib_txdone(struct queue_entry *entry, 1406 struct txdone_entry_desc *txdesc); 1407void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status); 1408void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp); 1409 1410/* 1411 * mac80211 handlers. 1412 */ 1413void rt2x00mac_tx(struct ieee80211_hw *hw, 1414 struct ieee80211_tx_control *control, 1415 struct sk_buff *skb); 1416int rt2x00mac_start(struct ieee80211_hw *hw); 1417void rt2x00mac_stop(struct ieee80211_hw *hw); 1418int rt2x00mac_add_interface(struct ieee80211_hw *hw, 1419 struct ieee80211_vif *vif); 1420void rt2x00mac_remove_interface(struct ieee80211_hw *hw, 1421 struct ieee80211_vif *vif); 1422int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed); 1423void rt2x00mac_configure_filter(struct ieee80211_hw *hw, 1424 unsigned int changed_flags, 1425 unsigned int *total_flags, 1426 u64 multicast); 1427int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 1428 bool set); 1429#ifdef CONFIG_RT2X00_LIB_CRYPTO 1430int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 1431 struct ieee80211_vif *vif, struct ieee80211_sta *sta, 1432 struct ieee80211_key_conf *key); 1433#else 1434#define rt2x00mac_set_key NULL 1435#endif /* CONFIG_RT2X00_LIB_CRYPTO */ 1436int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1437 struct ieee80211_sta *sta); 1438int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1439 struct ieee80211_sta *sta); 1440void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw); 1441void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw); 1442int rt2x00mac_get_stats(struct ieee80211_hw *hw, 1443 struct ieee80211_low_level_stats *stats); 1444void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, 1445 struct ieee80211_vif *vif, 1446 struct ieee80211_bss_conf *bss_conf, 1447 u32 changes); 1448int rt2x00mac_conf_tx(struct ieee80211_hw *hw, 1449 struct ieee80211_vif *vif, u16 queue, 1450 const struct ieee80211_tx_queue_params *params); 1451void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw); 1452void rt2x00mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 1453 u32 queues, bool drop); 1454int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant); 1455int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant); 1456void rt2x00mac_get_ringparam(struct ieee80211_hw *hw, 1457 u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max); 1458bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw); 1459 1460/* 1461 * Driver allocation handlers. 1462 */ 1463int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev); 1464void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev); 1465#ifdef CONFIG_PM 1466int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state); 1467int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev); 1468#endif /* CONFIG_PM */ 1469 1470#endif /* RT2X00_H */ 1471