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 number of L2 padding bytes required between the header and
110 #define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3)
113 * Determine the alignment requirement,
114 * to make sure the 802.11 payload is padded to a 4-byte boundrary
115 * we must determine the address of the payload and calculate the
116 * amount of bytes needed to move the data.
118 #define ALIGN_SIZE(__skb, __header) \
119 ( ((unsigned long)((__skb)->data + (__header))) & 3 )
122 * Constants for extra TX headroom for alignment purposes.
124 #define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */
125 #define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */
128 * Standard timing and size defines.
129 * These values should follow the ieee80211 specifications.
132 #define IEEE80211_HEADER 24
136 #define SHORT_PREAMBLE 72
138 #define SHORT_SLOT_TIME 9
140 #define PIFS ( SIFS + SLOT_TIME )
141 #define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
142 #define DIFS ( PIFS + SLOT_TIME )
143 #define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
144 #define EIFS ( SIFS + DIFS + \
145 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
146 #define SHORT_EIFS ( SIFS + SHORT_DIFS + \
147 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
150 * Structure for average calculation
151 * The avg field contains the actual average value,
152 * but avg_weight is internally used during calculations
153 * to prevent rounding errors.
160 enum rt2x00_chip_intf {
161 RT2X00_CHIP_INTF_PCI,
162 RT2X00_CHIP_INTF_USB,
166 * Chipset identification
167 * The chipset on the device is composed of a RT and RF chip.
168 * The chipset combination is important for determining device capabilities.
172 #define RT2460 0x0101
173 #define RT2560 0x0201
174 #define RT2570 0x1201
175 #define RT2561s 0x0301 /* Turbo */
176 #define RT2561 0x0302
177 #define RT2661 0x0401
178 #define RT2571 0x1300
179 #define RT2860 0x0601 /* 2.4GHz PCI/CB */
180 #define RT2860D 0x0681 /* 2.4GHz, 5GHz PCI/CB */
181 #define RT2890 0x0701 /* 2.4GHz PCIe */
182 #define RT2890D 0x0781 /* 2.4GHz, 5GHz PCIe */
183 #define RT2880 0x2880 /* WSOC */
184 #define RT3052 0x3052 /* WSOC */
185 #define RT3090 0x3090 /* 2.4GHz PCIe */
186 #define RT2870 0x1600
187 #define RT3070 0x1800
192 enum rt2x00_chip_intf intf;
196 * RF register values that belong to a particular channel.
207 * Channel information structure
209 struct channel_info {
211 #define GEOGRAPHY_ALLOWED 0x00000001
218 * Antenna setup values.
220 struct antenna_setup {
226 * Quality statistics about the currently active link.
230 * Statistics required for Link tuning by driver
231 * The rssi value is provided by rt2x00lib during the
232 * link_tuner() callback function.
233 * The false_cca field is filled during the link_stats()
234 * callback function and could be used during the
235 * link_tuner() callback function.
242 * Hardware driver will tune the VGC level during each call
243 * to the link_tuner() callback function. This vgc_level is
244 * is determined based on the link quality statistics like
245 * average RSSI and the false CCA count.
247 * In some cases the drivers need to differentiate between
248 * the currently "desired" VGC level and the level configured
249 * in the hardware. The latter is important to reduce the
250 * number of BBP register reads to reduce register access
251 * overhead. For this reason we store both values here.
257 * Statistics required for Signal quality calculation.
258 * These fields might be changed during the link_stats()
268 * Antenna settings about the currently active link.
275 #define ANTENNA_RX_DIVERSITY 0x00000001
276 #define ANTENNA_TX_DIVERSITY 0x00000002
277 #define ANTENNA_MODE_SAMPLE 0x00000004
280 * Currently active TX/RX antenna setup.
281 * When software diversity is used, this will indicate
282 * which antenna is actually used at this time.
284 struct antenna_setup active;
287 * RSSI history information for the antenna.
288 * Used to determine when to switch antenna
289 * when using software diversity.
294 * Current RSSI average of the currently active antenna.
295 * Similar to the avg_rssi in the link_qual structure
296 * this value is updated by using the walking average.
298 struct avg_val rssi_ant;
302 * To optimize the quality of the link we need to store
303 * the quality of received frames and periodically
309 * The number of times the link has been tuned
310 * since the radio has been switched on.
315 * Quality measurement values.
317 struct link_qual qual;
320 * TX/RX antenna setup.
325 * Currently active average RSSI value
327 struct avg_val avg_rssi;
330 * Work structure for scheduling periodic link tuning.
332 struct delayed_work work;
336 * Interface structure
337 * Per interface configuration details, this structure
338 * is allocated as the private data for ieee80211_vif.
342 * All fields within the rt2x00_intf structure
343 * must be protected with a spinlock.
353 * BBSID of the AP to associate with.
358 * beacon->skb must be protected with the mutex.
360 struct mutex beacon_skb_mutex;
363 * Entry in the beacon queue which belongs to
364 * this interface. Each interface has its own
365 * dedicated beacon entry.
367 struct queue_entry *beacon;
370 * Actions that needed rescheduling.
372 unsigned int delayed_flags;
373 #define DELAYED_UPDATE_BEACON 0x00000001
376 * Software sequence counter, this is only required
377 * for hardware which doesn't support hardware
384 static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
386 return (struct rt2x00_intf *)vif->drv_priv;
390 * struct hw_mode_spec: Hardware specifications structure
392 * Details about the supported modes, rates and channels
393 * of a particular chipset. This is used by rt2x00lib
394 * to build the ieee80211_hw_mode array for mac80211.
396 * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
397 * @supported_rates: Rate types which are supported (CCK, OFDM).
398 * @num_channels: Number of supported channels. This is used as array size
399 * for @tx_power_a, @tx_power_bg and @channels.
400 * @channels: Device/chipset specific channel values (See &struct rf_channel).
401 * @channels_info: Additional information for channels (See &struct channel_info).
402 * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
404 struct hw_mode_spec {
405 unsigned int supported_bands;
406 #define SUPPORT_BAND_2GHZ 0x00000001
407 #define SUPPORT_BAND_5GHZ 0x00000002
409 unsigned int supported_rates;
410 #define SUPPORT_RATE_CCK 0x00000001
411 #define SUPPORT_RATE_OFDM 0x00000002
413 unsigned int num_channels;
414 const struct rf_channel *channels;
415 const struct channel_info *channels_info;
417 struct ieee80211_sta_ht_cap ht;
421 * Configuration structure wrapper around the
422 * mac80211 configuration structure.
423 * When mac80211 configures the driver, rt2x00lib
424 * can precalculate values which are equal for all
425 * rt2x00 drivers. Those values can be stored in here.
427 struct rt2x00lib_conf {
428 struct ieee80211_conf *conf;
430 struct rf_channel rf;
431 struct channel_info channel;
435 * Configuration structure for erp settings.
437 struct rt2x00lib_erp {
454 * Configuration structure for hardware encryption.
456 struct rt2x00lib_crypto {
459 enum set_key_cmd cmd;
471 * Configuration structure wrapper around the
472 * rt2x00 interface configuration handler.
474 struct rt2x00intf_conf {
478 enum nl80211_iftype type;
481 * TSF sync value, this is dependant on the operation type.
486 * The MAC and BSSID addressess are simple array of bytes,
487 * these arrays are little endian, so when sending the addressess
488 * to the drivers, copy the it into a endian-signed variable.
490 * Note that all devices (except rt2500usb) have 32 bits
491 * register word sizes. This means that whatever variable we
492 * pass _must_ be a multiple of 32 bits. Otherwise the device
493 * might not accept what we are sending to it.
494 * This will also make it easier for the driver to write
495 * the data to the device.
502 * rt2x00lib callback functions.
504 struct rt2x00lib_ops {
506 * Interrupt handlers.
508 irq_handler_t irq_handler;
511 * Device init handlers.
513 int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
514 char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
515 int (*check_firmware) (struct rt2x00_dev *rt2x00dev,
516 const u8 *data, const size_t len);
517 int (*load_firmware) (struct rt2x00_dev *rt2x00dev,
518 const u8 *data, const size_t len);
521 * Device initialization/deinitialization handlers.
523 int (*initialize) (struct rt2x00_dev *rt2x00dev);
524 void (*uninitialize) (struct rt2x00_dev *rt2x00dev);
527 * queue initialization handlers
529 bool (*get_entry_state) (struct queue_entry *entry);
530 void (*clear_entry) (struct queue_entry *entry);
533 * Radio control handlers.
535 int (*set_device_state) (struct rt2x00_dev *rt2x00dev,
536 enum dev_state state);
537 int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev);
538 void (*link_stats) (struct rt2x00_dev *rt2x00dev,
539 struct link_qual *qual);
540 void (*reset_tuner) (struct rt2x00_dev *rt2x00dev,
541 struct link_qual *qual);
542 void (*link_tuner) (struct rt2x00_dev *rt2x00dev,
543 struct link_qual *qual, const u32 count);
546 * TX control handlers
548 void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
550 struct txentry_desc *txdesc);
551 int (*write_tx_data) (struct queue_entry *entry);
552 void (*write_beacon) (struct queue_entry *entry);
553 int (*get_tx_data_len) (struct queue_entry *entry);
554 void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
555 const enum data_queue_qid queue);
556 void (*kill_tx_queue) (struct rt2x00_dev *rt2x00dev,
557 const enum data_queue_qid queue);
560 * RX control handlers
562 void (*fill_rxdone) (struct queue_entry *entry,
563 struct rxdone_entry_desc *rxdesc);
566 * Configuration handlers.
568 int (*config_shared_key) (struct rt2x00_dev *rt2x00dev,
569 struct rt2x00lib_crypto *crypto,
570 struct ieee80211_key_conf *key);
571 int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev,
572 struct rt2x00lib_crypto *crypto,
573 struct ieee80211_key_conf *key);
574 void (*config_filter) (struct rt2x00_dev *rt2x00dev,
575 const unsigned int filter_flags);
576 void (*config_intf) (struct rt2x00_dev *rt2x00dev,
577 struct rt2x00_intf *intf,
578 struct rt2x00intf_conf *conf,
579 const unsigned int flags);
580 #define CONFIG_UPDATE_TYPE ( 1 << 1 )
581 #define CONFIG_UPDATE_MAC ( 1 << 2 )
582 #define CONFIG_UPDATE_BSSID ( 1 << 3 )
584 void (*config_erp) (struct rt2x00_dev *rt2x00dev,
585 struct rt2x00lib_erp *erp);
586 void (*config_ant) (struct rt2x00_dev *rt2x00dev,
587 struct antenna_setup *ant);
588 void (*config) (struct rt2x00_dev *rt2x00dev,
589 struct rt2x00lib_conf *libconf,
590 const unsigned int changed_flags);
594 * rt2x00 driver callback operation structure.
598 const unsigned int max_sta_intf;
599 const unsigned int max_ap_intf;
600 const unsigned int eeprom_size;
601 const unsigned int rf_size;
602 const unsigned int tx_queues;
603 const unsigned int extra_tx_headroom;
604 const struct data_queue_desc *rx;
605 const struct data_queue_desc *tx;
606 const struct data_queue_desc *bcn;
607 const struct data_queue_desc *atim;
608 const struct rt2x00lib_ops *lib;
609 const struct ieee80211_ops *hw;
610 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
611 const struct rt2x00debug *debugfs;
612 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
616 * rt2x00 device flags
622 DEVICE_STATE_PRESENT,
623 DEVICE_STATE_REGISTERED_HW,
624 DEVICE_STATE_INITIALIZED,
625 DEVICE_STATE_STARTED,
626 DEVICE_STATE_ENABLED_RADIO,
629 * Driver requirements
631 DRIVER_REQUIRE_FIRMWARE,
632 DRIVER_REQUIRE_BEACON_GUARD,
633 DRIVER_REQUIRE_ATIM_QUEUE,
635 DRIVER_REQUIRE_COPY_IV,
636 DRIVER_REQUIRE_L2PAD,
641 CONFIG_SUPPORT_HW_BUTTON,
642 CONFIG_SUPPORT_HW_CRYPTO,
643 DRIVER_SUPPORT_CONTROL_FILTERS,
644 DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL,
647 * Driver configuration
651 CONFIG_EXTERNAL_LNA_A,
652 CONFIG_EXTERNAL_LNA_BG,
653 CONFIG_DOUBLE_ANTENNA,
654 CONFIG_DISABLE_LINK_TUNING,
659 * rt2x00 device structure.
664 * The structure stored in here depends on the
665 * system bus (PCI or USB).
666 * When accessing this variable, the rt2x00dev_{pci,usb}
667 * macros should be used for correct typecasting.
672 * Callback functions.
674 const struct rt2x00_ops *ops;
677 * IEEE80211 control structure.
679 struct ieee80211_hw *hw;
680 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
681 enum ieee80211_band curr_band;
684 * If enabled, the debugfs interface structures
685 * required for deregistration of debugfs.
687 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
688 struct rt2x00debug_intf *debugfs_intf;
689 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
692 * LED structure for changing the LED status
693 * by mac8011 or the kernel.
695 #ifdef CONFIG_RT2X00_LIB_LEDS
696 struct rt2x00_led led_radio;
697 struct rt2x00_led led_assoc;
698 struct rt2x00_led led_qual;
700 #endif /* CONFIG_RT2X00_LIB_LEDS */
704 * In these flags the current status and some
705 * of the device capabilities are stored.
710 * Device information, Bus IRQ and name (PCI, SoC)
716 * Chipset identification.
718 struct rt2x00_chip chip;
721 * hw capability specifications.
723 struct hw_mode_spec spec;
726 * This is the default TX/RX antenna setup as indicated
727 * by the device's EEPROM.
729 struct antenna_setup default_ant;
733 * csr.base: CSR base register address. (PCI)
734 * csr.cache: CSR cache for usb_control_msg. (USB)
742 * Mutex to protect register accesses.
743 * For PCI and USB devices it protects against concurrent indirect
744 * register access (BBP, RF, MCU) since accessing those
745 * registers require multiple calls to the CSR registers.
746 * For USB devices it also protects the csr_cache since that
747 * field is used for normal CSR access and it cannot support
748 * multiple callers simultaneously.
750 struct mutex csr_mutex;
753 * Current packet filter configuration for the device.
754 * This contains all currently active FIF_* flags send
755 * to us by mac80211 during configure_filter().
757 unsigned int packet_filter;
761 * - Open ap interface count.
762 * - Open sta interface count.
763 * - Association count.
765 unsigned int intf_ap_count;
766 unsigned int intf_sta_count;
767 unsigned int intf_associated;
780 * Active RF register values.
781 * These are stored here so we don't need
782 * to read the rf registers and can directly
783 * use this value instead.
784 * This field should be accessed by using
785 * rt2x00_rf_read() and rt2x00_rf_write().
795 * Current TX power value.
800 * Current retry values.
806 * Rssi <-> Dbm offset
811 * Frequency offset (for rt61pci & rt73usb).
816 * Calibration information (for rt2800usb & rt2800pci).
828 * Low level statistics which will have
829 * to be kept up to date while device is running.
831 struct ieee80211_low_level_stats low_level_stats;
834 * RX configuration information.
836 struct ieee80211_rx_status rx_status;
840 * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
841 * which means it cannot be placed on the hw->workqueue
842 * due to RTNL locking requirements.
844 struct work_struct intf_work;
847 * Data queue arrays for RX, TX and Beacon.
848 * The Beacon array also contains the Atim queue
849 * if that is supported by the device.
851 unsigned int data_queues;
852 struct data_queue *rx;
853 struct data_queue *tx;
854 struct data_queue *bcn;
859 const struct firmware *fw;
862 * Driver specific data.
869 * Some registers require multiple attempts before success,
870 * in those cases REGISTER_BUSY_COUNT attempts should be
871 * taken with a REGISTER_BUSY_DELAY interval.
873 #define REGISTER_BUSY_COUNT 5
874 #define REGISTER_BUSY_DELAY 100
878 * The RF is being accessed by word index.
880 static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
881 const unsigned int word, u32 *data)
883 BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
884 *data = rt2x00dev->rf[word - 1];
887 static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev,
888 const unsigned int word, u32 data)
890 BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
891 rt2x00dev->rf[word - 1] = data;
895 * Generic EEPROM access.
896 * The EEPROM is being accessed by word index.
898 static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev,
899 const unsigned int word)
901 return (void *)&rt2x00dev->eeprom[word];
904 static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev,
905 const unsigned int word, u16 *data)
907 *data = le16_to_cpu(rt2x00dev->eeprom[word]);
910 static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev,
911 const unsigned int word, u16 data)
913 rt2x00dev->eeprom[word] = cpu_to_le16(data);
919 static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
920 const u16 rt, const u16 rf, const u32 rev)
922 rt2x00dev->chip.rt = rt;
923 rt2x00dev->chip.rf = rf;
924 rt2x00dev->chip.rev = rev;
927 static inline void rt2x00_set_chip_rt(struct rt2x00_dev *rt2x00dev,
930 rt2x00dev->chip.rt = rt;
933 static inline void rt2x00_set_chip_rf(struct rt2x00_dev *rt2x00dev,
934 const u16 rf, const u32 rev)
936 rt2x00_set_chip(rt2x00dev, rt2x00dev->chip.rt, rf, rev);
939 static inline void rt2x00_print_chip(struct rt2x00_dev *rt2x00dev)
942 "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
943 rt2x00dev->chip.rt, rt2x00dev->chip.rf, rt2x00dev->chip.rev);
946 static inline char rt2x00_rt(struct rt2x00_dev *rt2x00dev, const u16 rt)
948 return (rt2x00dev->chip.rt == rt);
951 static inline char rt2x00_rf(struct rt2x00_dev *rt2x00dev, const u16 rf)
953 return (rt2x00dev->chip.rf == rf);
956 static inline u32 rt2x00_rev(struct rt2x00_dev *rt2x00dev)
958 return rt2x00dev->chip.rev;
961 static inline bool rt2x00_check_rev(struct rt2x00_dev *rt2x00dev,
962 const u32 mask, const u32 rev)
964 return ((rt2x00dev->chip.rev & mask) == rev);
967 static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev,
968 enum rt2x00_chip_intf intf)
970 rt2x00dev->chip.intf = intf;
973 static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev,
974 enum rt2x00_chip_intf intf)
976 return (rt2x00dev->chip.intf == intf);
979 static inline bool rt2x00_intf_is_pci(struct rt2x00_dev *rt2x00dev)
981 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI);
984 static inline bool rt2x00_intf_is_usb(struct rt2x00_dev *rt2x00dev)
986 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
990 * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
991 * @rt2x00dev: Pointer to &struct rt2x00_dev.
992 * @skb: The skb to map.
994 void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
997 * rt2x00queue_get_queue - Convert queue index to queue pointer
998 * @rt2x00dev: Pointer to &struct rt2x00_dev.
999 * @queue: rt2x00 queue index (see &enum data_queue_qid).
1001 struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
1002 const enum data_queue_qid queue);
1005 * rt2x00queue_get_entry - Get queue entry where the given index points to.
1006 * @queue: Pointer to &struct data_queue from where we obtain the entry.
1007 * @index: Index identifier for obtaining the correct index.
1009 struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
1010 enum queue_index index);
1013 * Interrupt context handlers.
1015 void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
1016 void rt2x00lib_txdone(struct queue_entry *entry,
1017 struct txdone_entry_desc *txdesc);
1018 void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
1019 struct queue_entry *entry);
1022 * mac80211 handlers.
1024 int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
1025 int rt2x00mac_start(struct ieee80211_hw *hw);
1026 void rt2x00mac_stop(struct ieee80211_hw *hw);
1027 int rt2x00mac_add_interface(struct ieee80211_hw *hw,
1028 struct ieee80211_vif *vif);
1029 void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
1030 struct ieee80211_vif *vif);
1031 int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed);
1032 void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
1033 unsigned int changed_flags,
1034 unsigned int *total_flags,
1036 int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1038 #ifdef CONFIG_RT2X00_LIB_CRYPTO
1039 int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1040 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1041 struct ieee80211_key_conf *key);
1043 #define rt2x00mac_set_key NULL
1044 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
1045 int rt2x00mac_get_stats(struct ieee80211_hw *hw,
1046 struct ieee80211_low_level_stats *stats);
1047 int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
1048 struct ieee80211_tx_queue_stats *stats);
1049 void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
1050 struct ieee80211_vif *vif,
1051 struct ieee80211_bss_conf *bss_conf,
1053 int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
1054 const struct ieee80211_tx_queue_params *params);
1055 void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw);
1058 * Driver allocation handlers.
1060 int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev);
1061 void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev);
1063 int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state);
1064 int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev);
1065 #endif /* CONFIG_PM */
1067 #endif /* RT2X00_H */