2 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
3 Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
4 <http://rt2x00.serialmonkey.com>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the
18 Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 Abstract: rt2x00 global information.
30 #include <linux/bitops.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>
39 #include <net/mac80211.h>
41 #include "rt2x00debug.h"
42 #include "rt2x00leds.h"
43 #include "rt2x00reg.h"
44 #include "rt2x00queue.h"
49 #define DRV_VERSION "2.3.0"
50 #define DRV_PROJECT "http://rt2x00.serialmonkey.com"
54 * Debug output has to be enabled during compile time.
56 #define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \
57 printk(__kernlvl "%s -> %s: %s - " __msg, \
58 wiphy_name((__dev)->hw->wiphy), __func__, __lvl, ##__args)
60 #define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \
61 printk(__kernlvl "%s -> %s: %s - " __msg, \
62 KBUILD_MODNAME, __func__, __lvl, ##__args)
64 #ifdef CONFIG_RT2X00_DEBUG
65 #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
66 DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args);
68 #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
70 #endif /* CONFIG_RT2X00_DEBUG */
73 * Various debug levels.
74 * The debug levels PANIC and ERROR both indicate serious problems,
75 * for this reason they should never be ignored.
76 * The special ERROR_PROBE message is for messages that are generated
77 * when the rt2x00_dev is not yet initialized.
79 #define PANIC(__dev, __msg, __args...) \
80 DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args)
81 #define ERROR(__dev, __msg, __args...) \
82 DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args)
83 #define ERROR_PROBE(__msg, __args...) \
84 DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args)
85 #define WARNING(__dev, __msg, __args...) \
86 DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args)
87 #define NOTICE(__dev, __msg, __args...) \
88 DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args)
89 #define INFO(__dev, __msg, __args...) \
90 DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args)
91 #define DEBUG(__dev, __msg, __args...) \
92 DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args)
93 #define EEPROM(__dev, __msg, __args...) \
94 DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
97 * Duration calculations
98 * The rate variable passed is: 100kbs.
99 * To convert from bytes to bits we multiply size with 8,
100 * then the size is multiplied with 10 to make the
101 * real rate -> rate argument correction.
103 #define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate))
104 #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))
107 * Determine the alignment requirement,
108 * to make sure the 802.11 payload is padded to a 4-byte boundrary
109 * we must determine the address of the payload and calculate the
110 * amount of bytes needed to move the data.
112 #define ALIGN_SIZE(__skb, __header) \
113 ( ((unsigned long)((__skb)->data + (__header))) & 3 )
116 * Constants for extra TX headroom for alignment purposes.
118 #define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */
119 #define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */
122 * Standard timing and size defines.
123 * These values should follow the ieee80211 specifications.
126 #define IEEE80211_HEADER 24
130 #define SHORT_PREAMBLE 72
132 #define SHORT_SLOT_TIME 9
134 #define PIFS ( SIFS + SLOT_TIME )
135 #define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
136 #define DIFS ( PIFS + SLOT_TIME )
137 #define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
138 #define EIFS ( SIFS + DIFS + \
139 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
140 #define SHORT_EIFS ( SIFS + SHORT_DIFS + \
141 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
144 * Structure for average calculation
145 * The avg field contains the actual average value,
146 * but avg_weight is internally used during calculations
147 * to prevent rounding errors.
154 enum rt2x00_chip_intf {
155 RT2X00_CHIP_INTF_PCI,
156 RT2X00_CHIP_INTF_USB,
160 * Chipset identification
161 * The chipset on the device is composed of a RT and RF chip.
162 * The chipset combination is important for determining device capabilities.
166 #define RT2460 0x0101
167 #define RT2560 0x0201
168 #define RT2570 0x1201
169 #define RT2561s 0x0301 /* Turbo */
170 #define RT2561 0x0302
171 #define RT2661 0x0401
172 #define RT2571 0x1300
173 #define RT2860 0x0601 /* 2.4GHz PCI/CB */
174 #define RT2860D 0x0681 /* 2.4GHz, 5GHz PCI/CB */
175 #define RT2890 0x0701 /* 2.4GHz PCIe */
176 #define RT2890D 0x0781 /* 2.4GHz, 5GHz PCIe */
177 #define RT2880 0x2880 /* WSOC */
178 #define RT3052 0x3052 /* WSOC */
179 #define RT3090 0x3090 /* 2.4GHz PCIe */
180 #define RT2870 0x1600
181 #define RT3070 0x1800
186 enum rt2x00_chip_intf intf;
190 * RF register values that belong to a particular channel.
201 * Channel information structure
203 struct channel_info {
205 #define GEOGRAPHY_ALLOWED 0x00000001
212 * Antenna setup values.
214 struct antenna_setup {
220 * Quality statistics about the currently active link.
224 * Statistics required for Link tuning by driver
225 * The rssi value is provided by rt2x00lib during the
226 * link_tuner() callback function.
227 * The false_cca field is filled during the link_stats()
228 * callback function and could be used during the
229 * link_tuner() callback function.
236 * Hardware driver will tune the VGC level during each call
237 * to the link_tuner() callback function. This vgc_level is
238 * is determined based on the link quality statistics like
239 * average RSSI and the false CCA count.
241 * In some cases the drivers need to differentiate between
242 * the currently "desired" VGC level and the level configured
243 * in the hardware. The latter is important to reduce the
244 * number of BBP register reads to reduce register access
245 * overhead. For this reason we store both values here.
251 * Statistics required for Signal quality calculation.
252 * These fields might be changed during the link_stats()
262 * Antenna settings about the currently active link.
269 #define ANTENNA_RX_DIVERSITY 0x00000001
270 #define ANTENNA_TX_DIVERSITY 0x00000002
271 #define ANTENNA_MODE_SAMPLE 0x00000004
274 * Currently active TX/RX antenna setup.
275 * When software diversity is used, this will indicate
276 * which antenna is actually used at this time.
278 struct antenna_setup active;
281 * RSSI history information for the antenna.
282 * Used to determine when to switch antenna
283 * when using software diversity.
288 * Current RSSI average of the currently active antenna.
289 * Similar to the avg_rssi in the link_qual structure
290 * this value is updated by using the walking average.
292 struct avg_val rssi_ant;
296 * To optimize the quality of the link we need to store
297 * the quality of received frames and periodically
303 * The number of times the link has been tuned
304 * since the radio has been switched on.
309 * Quality measurement values.
311 struct link_qual qual;
314 * TX/RX antenna setup.
319 * Currently active average RSSI value
321 struct avg_val avg_rssi;
324 * Work structure for scheduling periodic link tuning.
326 struct delayed_work work;
330 * Interface structure
331 * Per interface configuration details, this structure
332 * is allocated as the private data for ieee80211_vif.
336 * All fields within the rt2x00_intf structure
337 * must be protected with a spinlock.
347 * BBSID of the AP to associate with.
352 * beacon->skb must be protected with the mutex.
354 struct mutex beacon_skb_mutex;
357 * Entry in the beacon queue which belongs to
358 * this interface. Each interface has its own
359 * dedicated beacon entry.
361 struct queue_entry *beacon;
364 * Actions that needed rescheduling.
366 unsigned int delayed_flags;
367 #define DELAYED_UPDATE_BEACON 0x00000001
370 * Software sequence counter, this is only required
371 * for hardware which doesn't support hardware
378 static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
380 return (struct rt2x00_intf *)vif->drv_priv;
384 * struct hw_mode_spec: Hardware specifications structure
386 * Details about the supported modes, rates and channels
387 * of a particular chipset. This is used by rt2x00lib
388 * to build the ieee80211_hw_mode array for mac80211.
390 * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
391 * @supported_rates: Rate types which are supported (CCK, OFDM).
392 * @num_channels: Number of supported channels. This is used as array size
393 * for @tx_power_a, @tx_power_bg and @channels.
394 * @channels: Device/chipset specific channel values (See &struct rf_channel).
395 * @channels_info: Additional information for channels (See &struct channel_info).
396 * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
398 struct hw_mode_spec {
399 unsigned int supported_bands;
400 #define SUPPORT_BAND_2GHZ 0x00000001
401 #define SUPPORT_BAND_5GHZ 0x00000002
403 unsigned int supported_rates;
404 #define SUPPORT_RATE_CCK 0x00000001
405 #define SUPPORT_RATE_OFDM 0x00000002
407 unsigned int num_channels;
408 const struct rf_channel *channels;
409 const struct channel_info *channels_info;
411 struct ieee80211_sta_ht_cap ht;
415 * Configuration structure wrapper around the
416 * mac80211 configuration structure.
417 * When mac80211 configures the driver, rt2x00lib
418 * can precalculate values which are equal for all
419 * rt2x00 drivers. Those values can be stored in here.
421 struct rt2x00lib_conf {
422 struct ieee80211_conf *conf;
424 struct rf_channel rf;
425 struct channel_info channel;
429 * Configuration structure for erp settings.
431 struct rt2x00lib_erp {
448 * Configuration structure for hardware encryption.
450 struct rt2x00lib_crypto {
453 enum set_key_cmd cmd;
465 * Configuration structure wrapper around the
466 * rt2x00 interface configuration handler.
468 struct rt2x00intf_conf {
472 enum nl80211_iftype type;
475 * TSF sync value, this is dependant on the operation type.
480 * The MAC and BSSID addressess are simple array of bytes,
481 * these arrays are little endian, so when sending the addressess
482 * to the drivers, copy the it into a endian-signed variable.
484 * Note that all devices (except rt2500usb) have 32 bits
485 * register word sizes. This means that whatever variable we
486 * pass _must_ be a multiple of 32 bits. Otherwise the device
487 * might not accept what we are sending to it.
488 * This will also make it easier for the driver to write
489 * the data to the device.
496 * rt2x00lib callback functions.
498 struct rt2x00lib_ops {
500 * Interrupt handlers.
502 irq_handler_t irq_handler;
505 * Device init handlers.
507 int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
508 char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
509 int (*check_firmware) (struct rt2x00_dev *rt2x00dev,
510 const u8 *data, const size_t len);
511 int (*load_firmware) (struct rt2x00_dev *rt2x00dev,
512 const u8 *data, const size_t len);
515 * Device initialization/deinitialization handlers.
517 int (*initialize) (struct rt2x00_dev *rt2x00dev);
518 void (*uninitialize) (struct rt2x00_dev *rt2x00dev);
521 * queue initialization handlers
523 bool (*get_entry_state) (struct queue_entry *entry);
524 void (*clear_entry) (struct queue_entry *entry);
527 * Radio control handlers.
529 int (*set_device_state) (struct rt2x00_dev *rt2x00dev,
530 enum dev_state state);
531 int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev);
532 void (*link_stats) (struct rt2x00_dev *rt2x00dev,
533 struct link_qual *qual);
534 void (*reset_tuner) (struct rt2x00_dev *rt2x00dev,
535 struct link_qual *qual);
536 void (*link_tuner) (struct rt2x00_dev *rt2x00dev,
537 struct link_qual *qual, const u32 count);
540 * TX control handlers
542 void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
544 struct txentry_desc *txdesc);
545 int (*write_tx_data) (struct queue_entry *entry);
546 void (*write_beacon) (struct queue_entry *entry);
547 int (*get_tx_data_len) (struct queue_entry *entry);
548 void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
549 const enum data_queue_qid queue);
550 void (*kill_tx_queue) (struct rt2x00_dev *rt2x00dev,
551 const enum data_queue_qid queue);
554 * RX control handlers
556 void (*fill_rxdone) (struct queue_entry *entry,
557 struct rxdone_entry_desc *rxdesc);
560 * Configuration handlers.
562 int (*config_shared_key) (struct rt2x00_dev *rt2x00dev,
563 struct rt2x00lib_crypto *crypto,
564 struct ieee80211_key_conf *key);
565 int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev,
566 struct rt2x00lib_crypto *crypto,
567 struct ieee80211_key_conf *key);
568 void (*config_filter) (struct rt2x00_dev *rt2x00dev,
569 const unsigned int filter_flags);
570 void (*config_intf) (struct rt2x00_dev *rt2x00dev,
571 struct rt2x00_intf *intf,
572 struct rt2x00intf_conf *conf,
573 const unsigned int flags);
574 #define CONFIG_UPDATE_TYPE ( 1 << 1 )
575 #define CONFIG_UPDATE_MAC ( 1 << 2 )
576 #define CONFIG_UPDATE_BSSID ( 1 << 3 )
578 void (*config_erp) (struct rt2x00_dev *rt2x00dev,
579 struct rt2x00lib_erp *erp);
580 void (*config_ant) (struct rt2x00_dev *rt2x00dev,
581 struct antenna_setup *ant);
582 void (*config) (struct rt2x00_dev *rt2x00dev,
583 struct rt2x00lib_conf *libconf,
584 const unsigned int changed_flags);
588 * rt2x00 driver callback operation structure.
592 const unsigned int max_sta_intf;
593 const unsigned int max_ap_intf;
594 const unsigned int eeprom_size;
595 const unsigned int rf_size;
596 const unsigned int tx_queues;
597 const unsigned int extra_tx_headroom;
598 const struct data_queue_desc *rx;
599 const struct data_queue_desc *tx;
600 const struct data_queue_desc *bcn;
601 const struct data_queue_desc *atim;
602 const struct rt2x00lib_ops *lib;
603 const struct ieee80211_ops *hw;
604 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
605 const struct rt2x00debug *debugfs;
606 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
610 * rt2x00 device flags
616 DEVICE_STATE_PRESENT,
617 DEVICE_STATE_REGISTERED_HW,
618 DEVICE_STATE_INITIALIZED,
619 DEVICE_STATE_STARTED,
620 DEVICE_STATE_ENABLED_RADIO,
623 * Driver requirements
625 DRIVER_REQUIRE_FIRMWARE,
626 DRIVER_REQUIRE_BEACON_GUARD,
627 DRIVER_REQUIRE_ATIM_QUEUE,
629 DRIVER_REQUIRE_COPY_IV,
630 DRIVER_REQUIRE_L2PAD,
635 CONFIG_SUPPORT_HW_BUTTON,
636 CONFIG_SUPPORT_HW_CRYPTO,
637 DRIVER_SUPPORT_CONTROL_FILTERS,
638 DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL,
641 * Driver configuration
645 CONFIG_EXTERNAL_LNA_A,
646 CONFIG_EXTERNAL_LNA_BG,
647 CONFIG_DOUBLE_ANTENNA,
648 CONFIG_DISABLE_LINK_TUNING,
653 * rt2x00 device structure.
658 * The structure stored in here depends on the
659 * system bus (PCI or USB).
660 * When accessing this variable, the rt2x00dev_{pci,usb}
661 * macros should be used for correct typecasting.
666 * Callback functions.
668 const struct rt2x00_ops *ops;
671 * IEEE80211 control structure.
673 struct ieee80211_hw *hw;
674 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
675 enum ieee80211_band curr_band;
678 * If enabled, the debugfs interface structures
679 * required for deregistration of debugfs.
681 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
682 struct rt2x00debug_intf *debugfs_intf;
683 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
686 * LED structure for changing the LED status
687 * by mac8011 or the kernel.
689 #ifdef CONFIG_RT2X00_LIB_LEDS
690 struct rt2x00_led led_radio;
691 struct rt2x00_led led_assoc;
692 struct rt2x00_led led_qual;
694 #endif /* CONFIG_RT2X00_LIB_LEDS */
698 * In these flags the current status and some
699 * of the device capabilities are stored.
704 * Device information, Bus IRQ and name (PCI, SoC)
710 * Chipset identification.
712 struct rt2x00_chip chip;
715 * hw capability specifications.
717 struct hw_mode_spec spec;
720 * This is the default TX/RX antenna setup as indicated
721 * by the device's EEPROM.
723 struct antenna_setup default_ant;
727 * csr.base: CSR base register address. (PCI)
728 * csr.cache: CSR cache for usb_control_msg. (USB)
736 * Mutex to protect register accesses.
737 * For PCI and USB devices it protects against concurrent indirect
738 * register access (BBP, RF, MCU) since accessing those
739 * registers require multiple calls to the CSR registers.
740 * For USB devices it also protects the csr_cache since that
741 * field is used for normal CSR access and it cannot support
742 * multiple callers simultaneously.
744 struct mutex csr_mutex;
747 * Current packet filter configuration for the device.
748 * This contains all currently active FIF_* flags send
749 * to us by mac80211 during configure_filter().
751 unsigned int packet_filter;
755 * - Open ap interface count.
756 * - Open sta interface count.
757 * - Association count.
759 unsigned int intf_ap_count;
760 unsigned int intf_sta_count;
761 unsigned int intf_associated;
774 * Active RF register values.
775 * These are stored here so we don't need
776 * to read the rf registers and can directly
777 * use this value instead.
778 * This field should be accessed by using
779 * rt2x00_rf_read() and rt2x00_rf_write().
789 * Current TX power value.
794 * Current retry values.
800 * Rssi <-> Dbm offset
805 * Frequency offset (for rt61pci & rt73usb).
810 * Calibration information (for rt2800usb & rt2800pci).
822 * Low level statistics which will have
823 * to be kept up to date while device is running.
825 struct ieee80211_low_level_stats low_level_stats;
828 * RX configuration information.
830 struct ieee80211_rx_status rx_status;
834 * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
835 * which means it cannot be placed on the hw->workqueue
836 * due to RTNL locking requirements.
838 struct work_struct intf_work;
841 * Data queue arrays for RX, TX and Beacon.
842 * The Beacon array also contains the Atim queue
843 * if that is supported by the device.
845 unsigned int data_queues;
846 struct data_queue *rx;
847 struct data_queue *tx;
848 struct data_queue *bcn;
853 const struct firmware *fw;
856 * Driver specific data.
863 * Some registers require multiple attempts before success,
864 * in those cases REGISTER_BUSY_COUNT attempts should be
865 * taken with a REGISTER_BUSY_DELAY interval.
867 #define REGISTER_BUSY_COUNT 5
868 #define REGISTER_BUSY_DELAY 100
872 * The RF is being accessed by word index.
874 static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
875 const unsigned int word, u32 *data)
877 BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
878 *data = rt2x00dev->rf[word - 1];
881 static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev,
882 const unsigned int word, u32 data)
884 BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
885 rt2x00dev->rf[word - 1] = data;
889 * Generic EEPROM access.
890 * The EEPROM is being accessed by word index.
892 static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev,
893 const unsigned int word)
895 return (void *)&rt2x00dev->eeprom[word];
898 static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev,
899 const unsigned int word, u16 *data)
901 *data = le16_to_cpu(rt2x00dev->eeprom[word]);
904 static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev,
905 const unsigned int word, u16 data)
907 rt2x00dev->eeprom[word] = cpu_to_le16(data);
913 static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
914 const u16 rt, const u16 rf, const u32 rev)
916 rt2x00dev->chip.rt = rt;
917 rt2x00dev->chip.rf = rf;
918 rt2x00dev->chip.rev = rev;
921 static inline void rt2x00_set_chip_rt(struct rt2x00_dev *rt2x00dev,
924 rt2x00dev->chip.rt = rt;
927 static inline void rt2x00_set_chip_rf(struct rt2x00_dev *rt2x00dev,
928 const u16 rf, const u32 rev)
930 rt2x00_set_chip(rt2x00dev, rt2x00dev->chip.rt, rf, rev);
933 static inline void rt2x00_print_chip(struct rt2x00_dev *rt2x00dev)
936 "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
937 rt2x00dev->chip.rt, rt2x00dev->chip.rf, rt2x00dev->chip.rev);
940 static inline char rt2x00_rt(const struct rt2x00_chip *chipset, const u16 chip)
942 return (chipset->rt == chip);
945 static inline char rt2x00_rf(const struct rt2x00_chip *chipset, const u16 chip)
947 return (chipset->rf == chip);
950 static inline u32 rt2x00_rev(const struct rt2x00_chip *chipset)
955 static inline bool rt2x00_check_rev(const struct rt2x00_chip *chipset,
956 const u32 mask, const u32 rev)
958 return ((chipset->rev & mask) == rev);
961 static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev,
962 enum rt2x00_chip_intf intf)
964 rt2x00dev->chip.intf = intf;
967 static inline bool rt2x00_intf(const struct rt2x00_chip *chipset,
968 enum rt2x00_chip_intf intf)
970 return (chipset->intf == intf);
973 static inline bool rt2x00_intf_is_pci(struct rt2x00_dev *rt2x00dev)
975 return rt2x00_intf(&rt2x00dev->chip, RT2X00_CHIP_INTF_PCI);
978 static inline bool rt2x00_intf_is_usb(struct rt2x00_dev *rt2x00dev)
980 return rt2x00_intf(&rt2x00dev->chip, RT2X00_CHIP_INTF_USB);
984 * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
985 * @rt2x00dev: Pointer to &struct rt2x00_dev.
986 * @skb: The skb to map.
988 void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
991 * rt2x00queue_get_queue - Convert queue index to queue pointer
992 * @rt2x00dev: Pointer to &struct rt2x00_dev.
993 * @queue: rt2x00 queue index (see &enum data_queue_qid).
995 struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
996 const enum data_queue_qid queue);
999 * rt2x00queue_get_entry - Get queue entry where the given index points to.
1000 * @queue: Pointer to &struct data_queue from where we obtain the entry.
1001 * @index: Index identifier for obtaining the correct index.
1003 struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
1004 enum queue_index index);
1007 * Interrupt context handlers.
1009 void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
1010 void rt2x00lib_txdone(struct queue_entry *entry,
1011 struct txdone_entry_desc *txdesc);
1012 void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
1013 struct queue_entry *entry);
1016 * mac80211 handlers.
1018 int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
1019 int rt2x00mac_start(struct ieee80211_hw *hw);
1020 void rt2x00mac_stop(struct ieee80211_hw *hw);
1021 int rt2x00mac_add_interface(struct ieee80211_hw *hw,
1022 struct ieee80211_if_init_conf *conf);
1023 void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
1024 struct ieee80211_if_init_conf *conf);
1025 int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed);
1026 void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
1027 unsigned int changed_flags,
1028 unsigned int *total_flags,
1030 int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1032 #ifdef CONFIG_RT2X00_LIB_CRYPTO
1033 int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1034 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1035 struct ieee80211_key_conf *key);
1037 #define rt2x00mac_set_key NULL
1038 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
1039 int rt2x00mac_get_stats(struct ieee80211_hw *hw,
1040 struct ieee80211_low_level_stats *stats);
1041 int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
1042 struct ieee80211_tx_queue_stats *stats);
1043 void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
1044 struct ieee80211_vif *vif,
1045 struct ieee80211_bss_conf *bss_conf,
1047 int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
1048 const struct ieee80211_tx_queue_params *params);
1049 void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw);
1052 * Driver allocation handlers.
1054 int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev);
1055 void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev);
1057 int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state);
1058 int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev);
1059 #endif /* CONFIG_PM */
1061 #endif /* RT2X00_H */