2 Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
3 <http://rt2x00.serialmonkey.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 Abstract: rt2x00 global information.
29 #include <linux/bitops.h>
30 #include <linux/skbuff.h>
31 #include <linux/workqueue.h>
32 #include <linux/firmware.h>
33 #include <linux/leds.h>
34 #include <linux/mutex.h>
35 #include <linux/etherdevice.h>
36 #include <linux/input-polldev.h>
38 #include <net/mac80211.h>
40 #include "rt2x00debug.h"
41 #include "rt2x00leds.h"
42 #include "rt2x00reg.h"
43 #include "rt2x00queue.h"
48 #define DRV_VERSION "2.3.0"
49 #define DRV_PROJECT "http://rt2x00.serialmonkey.com"
53 * Debug output has to be enabled during compile time.
55 #define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \
56 printk(__kernlvl "%s -> %s: %s - " __msg, \
57 wiphy_name((__dev)->hw->wiphy), __func__, __lvl, ##__args)
59 #define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \
60 printk(__kernlvl "%s -> %s: %s - " __msg, \
61 KBUILD_MODNAME, __func__, __lvl, ##__args)
63 #ifdef CONFIG_RT2X00_DEBUG
64 #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
65 DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args);
67 #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
69 #endif /* CONFIG_RT2X00_DEBUG */
72 * Various debug levels.
73 * The debug levels PANIC and ERROR both indicate serious problems,
74 * for this reason they should never be ignored.
75 * The special ERROR_PROBE message is for messages that are generated
76 * when the rt2x00_dev is not yet initialized.
78 #define PANIC(__dev, __msg, __args...) \
79 DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args)
80 #define ERROR(__dev, __msg, __args...) \
81 DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args)
82 #define ERROR_PROBE(__msg, __args...) \
83 DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args)
84 #define WARNING(__dev, __msg, __args...) \
85 DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args)
86 #define NOTICE(__dev, __msg, __args...) \
87 DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args)
88 #define INFO(__dev, __msg, __args...) \
89 DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args)
90 #define DEBUG(__dev, __msg, __args...) \
91 DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args)
92 #define EEPROM(__dev, __msg, __args...) \
93 DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
96 * Duration calculations
97 * The rate variable passed is: 100kbs.
98 * To convert from bytes to bits we multiply size with 8,
99 * then the size is multiplied with 10 to make the
100 * real rate -> rate argument correction.
102 #define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate))
103 #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))
106 * Determine the alignment requirement,
107 * to make sure the 802.11 payload is padded to a 4-byte boundrary
108 * we must determine the address of the payload and calculate the
109 * amount of bytes needed to move the data.
111 #define ALIGN_SIZE(__skb, __header) \
112 ( ((unsigned long)((__skb)->data + (__header))) & 3 )
115 * Standard timing and size defines.
116 * These values should follow the ieee80211 specifications.
119 #define IEEE80211_HEADER 24
123 #define SHORT_PREAMBLE 72
125 #define SHORT_SLOT_TIME 9
127 #define PIFS ( SIFS + SLOT_TIME )
128 #define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
129 #define DIFS ( PIFS + SLOT_TIME )
130 #define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
131 #define EIFS ( SIFS + DIFS + \
132 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
133 #define SHORT_EIFS ( SIFS + SHORT_DIFS + \
134 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
137 * Structure for average calculation
138 * The avg field contains the actual average value,
139 * but avg_weight is internally used during calculations
140 * to prevent rounding errors.
147 enum rt2x00_chip_intf
{
148 RT2X00_CHIP_INTF_PCI
,
149 RT2X00_CHIP_INTF_USB
,
153 * Chipset identification
154 * The chipset on the device is composed of a RT and RF chip.
155 * The chipset combination is important for determining device capabilities.
159 #define RT2460 0x0101
160 #define RT2560 0x0201
161 #define RT2570 0x1201
162 #define RT2561s 0x0301 /* Turbo */
163 #define RT2561 0x0302
164 #define RT2661 0x0401
165 #define RT2571 0x1300
166 #define RT2860 0x0601 /* 2.4GHz PCI/CB */
167 #define RT2860D 0x0681 /* 2.4GHz, 5GHz PCI/CB */
168 #define RT2890 0x0701 /* 2.4GHz PCIe */
169 #define RT2890D 0x0781 /* 2.4GHz, 5GHz PCIe */
170 #define RT2880 0x2880 /* WSOC */
171 #define RT3052 0x3052 /* WSOC */
172 #define RT3090 0x3090 /* 2.4GHz PCIe */
173 #define RT2870 0x1600
178 enum rt2x00_chip_intf intf
;
182 * RF register values that belong to a particular channel.
193 * Channel information structure
195 struct channel_info
{
197 #define GEOGRAPHY_ALLOWED 0x00000001
204 * Antenna setup values.
206 struct antenna_setup
{
212 * Quality statistics about the currently active link.
216 * Statistics required for Link tuning by driver
217 * The rssi value is provided by rt2x00lib during the
218 * link_tuner() callback function.
219 * The false_cca field is filled during the link_stats()
220 * callback function and could be used during the
221 * link_tuner() callback function.
228 * Hardware driver will tune the VGC level during each call
229 * to the link_tuner() callback function. This vgc_level is
230 * is determined based on the link quality statistics like
231 * average RSSI and the false CCA count.
233 * In some cases the drivers need to differentiate between
234 * the currently "desired" VGC level and the level configured
235 * in the hardware. The latter is important to reduce the
236 * number of BBP register reads to reduce register access
237 * overhead. For this reason we store both values here.
243 * Statistics required for Signal quality calculation.
244 * These fields might be changed during the link_stats()
254 * Antenna settings about the currently active link.
261 #define ANTENNA_RX_DIVERSITY 0x00000001
262 #define ANTENNA_TX_DIVERSITY 0x00000002
263 #define ANTENNA_MODE_SAMPLE 0x00000004
266 * Currently active TX/RX antenna setup.
267 * When software diversity is used, this will indicate
268 * which antenna is actually used at this time.
270 struct antenna_setup active
;
273 * RSSI history information for the antenna.
274 * Used to determine when to switch antenna
275 * when using software diversity.
280 * Current RSSI average of the currently active antenna.
281 * Similar to the avg_rssi in the link_qual structure
282 * this value is updated by using the walking average.
284 struct avg_val rssi_ant
;
288 * To optimize the quality of the link we need to store
289 * the quality of received frames and periodically
295 * The number of times the link has been tuned
296 * since the radio has been switched on.
301 * Quality measurement values.
303 struct link_qual qual
;
306 * TX/RX antenna setup.
311 * Currently active average RSSI value
313 struct avg_val avg_rssi
;
316 * Work structure for scheduling periodic link tuning.
318 struct delayed_work work
;
322 * Interface structure
323 * Per interface configuration details, this structure
324 * is allocated as the private data for ieee80211_vif.
328 * All fields within the rt2x00_intf structure
329 * must be protected with a spinlock.
339 * BBSID of the AP to associate with.
344 * beacon->skb must be protected with the mutex.
346 struct mutex beacon_skb_mutex
;
349 * Entry in the beacon queue which belongs to
350 * this interface. Each interface has its own
351 * dedicated beacon entry.
353 struct queue_entry
*beacon
;
356 * Actions that needed rescheduling.
358 unsigned int delayed_flags
;
359 #define DELAYED_UPDATE_BEACON 0x00000001
362 * Software sequence counter, this is only required
363 * for hardware which doesn't support hardware
370 static inline struct rt2x00_intf
* vif_to_intf(struct ieee80211_vif
*vif
)
372 return (struct rt2x00_intf
*)vif
->drv_priv
;
376 * struct hw_mode_spec: Hardware specifications structure
378 * Details about the supported modes, rates and channels
379 * of a particular chipset. This is used by rt2x00lib
380 * to build the ieee80211_hw_mode array for mac80211.
382 * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
383 * @supported_rates: Rate types which are supported (CCK, OFDM).
384 * @num_channels: Number of supported channels. This is used as array size
385 * for @tx_power_a, @tx_power_bg and @channels.
386 * @channels: Device/chipset specific channel values (See &struct rf_channel).
387 * @channels_info: Additional information for channels (See &struct channel_info).
388 * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
390 struct hw_mode_spec
{
391 unsigned int supported_bands
;
392 #define SUPPORT_BAND_2GHZ 0x00000001
393 #define SUPPORT_BAND_5GHZ 0x00000002
395 unsigned int supported_rates
;
396 #define SUPPORT_RATE_CCK 0x00000001
397 #define SUPPORT_RATE_OFDM 0x00000002
399 unsigned int num_channels
;
400 const struct rf_channel
*channels
;
401 const struct channel_info
*channels_info
;
403 struct ieee80211_sta_ht_cap ht
;
407 * Configuration structure wrapper around the
408 * mac80211 configuration structure.
409 * When mac80211 configures the driver, rt2x00lib
410 * can precalculate values which are equal for all
411 * rt2x00 drivers. Those values can be stored in here.
413 struct rt2x00lib_conf
{
414 struct ieee80211_conf
*conf
;
416 struct rf_channel rf
;
417 struct channel_info channel
;
421 * Configuration structure for erp settings.
423 struct rt2x00lib_erp
{
440 * Configuration structure for hardware encryption.
442 struct rt2x00lib_crypto
{
445 enum set_key_cmd cmd
;
457 * Configuration structure wrapper around the
458 * rt2x00 interface configuration handler.
460 struct rt2x00intf_conf
{
464 enum nl80211_iftype type
;
467 * TSF sync value, this is dependant on the operation type.
472 * The MAC and BSSID addressess are simple array of bytes,
473 * these arrays are little endian, so when sending the addressess
474 * to the drivers, copy the it into a endian-signed variable.
476 * Note that all devices (except rt2500usb) have 32 bits
477 * register word sizes. This means that whatever variable we
478 * pass _must_ be a multiple of 32 bits. Otherwise the device
479 * might not accept what we are sending to it.
480 * This will also make it easier for the driver to write
481 * the data to the device.
488 * rt2x00lib callback functions.
490 struct rt2x00lib_ops
{
492 * Interrupt handlers.
494 irq_handler_t irq_handler
;
497 * Device init handlers.
499 int (*probe_hw
) (struct rt2x00_dev
*rt2x00dev
);
500 char *(*get_firmware_name
) (struct rt2x00_dev
*rt2x00dev
);
501 int (*check_firmware
) (struct rt2x00_dev
*rt2x00dev
,
502 const u8
*data
, const size_t len
);
503 int (*load_firmware
) (struct rt2x00_dev
*rt2x00dev
,
504 const u8
*data
, const size_t len
);
507 * Device initialization/deinitialization handlers.
509 int (*initialize
) (struct rt2x00_dev
*rt2x00dev
);
510 void (*uninitialize
) (struct rt2x00_dev
*rt2x00dev
);
513 * queue initialization handlers
515 bool (*get_entry_state
) (struct queue_entry
*entry
);
516 void (*clear_entry
) (struct queue_entry
*entry
);
519 * Radio control handlers.
521 int (*set_device_state
) (struct rt2x00_dev
*rt2x00dev
,
522 enum dev_state state
);
523 int (*rfkill_poll
) (struct rt2x00_dev
*rt2x00dev
);
524 void (*link_stats
) (struct rt2x00_dev
*rt2x00dev
,
525 struct link_qual
*qual
);
526 void (*reset_tuner
) (struct rt2x00_dev
*rt2x00dev
,
527 struct link_qual
*qual
);
528 void (*link_tuner
) (struct rt2x00_dev
*rt2x00dev
,
529 struct link_qual
*qual
, const u32 count
);
532 * TX control handlers
534 void (*write_tx_desc
) (struct rt2x00_dev
*rt2x00dev
,
536 struct txentry_desc
*txdesc
);
537 int (*write_tx_data
) (struct queue_entry
*entry
);
538 void (*write_beacon
) (struct queue_entry
*entry
);
539 int (*get_tx_data_len
) (struct queue_entry
*entry
);
540 void (*kick_tx_queue
) (struct rt2x00_dev
*rt2x00dev
,
541 const enum data_queue_qid queue
);
542 void (*kill_tx_queue
) (struct rt2x00_dev
*rt2x00dev
,
543 const enum data_queue_qid queue
);
546 * RX control handlers
548 void (*fill_rxdone
) (struct queue_entry
*entry
,
549 struct rxdone_entry_desc
*rxdesc
);
552 * Configuration handlers.
554 int (*config_shared_key
) (struct rt2x00_dev
*rt2x00dev
,
555 struct rt2x00lib_crypto
*crypto
,
556 struct ieee80211_key_conf
*key
);
557 int (*config_pairwise_key
) (struct rt2x00_dev
*rt2x00dev
,
558 struct rt2x00lib_crypto
*crypto
,
559 struct ieee80211_key_conf
*key
);
560 void (*config_filter
) (struct rt2x00_dev
*rt2x00dev
,
561 const unsigned int filter_flags
);
562 void (*config_intf
) (struct rt2x00_dev
*rt2x00dev
,
563 struct rt2x00_intf
*intf
,
564 struct rt2x00intf_conf
*conf
,
565 const unsigned int flags
);
566 #define CONFIG_UPDATE_TYPE ( 1 << 1 )
567 #define CONFIG_UPDATE_MAC ( 1 << 2 )
568 #define CONFIG_UPDATE_BSSID ( 1 << 3 )
570 void (*config_erp
) (struct rt2x00_dev
*rt2x00dev
,
571 struct rt2x00lib_erp
*erp
);
572 void (*config_ant
) (struct rt2x00_dev
*rt2x00dev
,
573 struct antenna_setup
*ant
);
574 void (*config
) (struct rt2x00_dev
*rt2x00dev
,
575 struct rt2x00lib_conf
*libconf
,
576 const unsigned int changed_flags
);
580 * rt2x00 driver callback operation structure.
584 const unsigned int max_sta_intf
;
585 const unsigned int max_ap_intf
;
586 const unsigned int eeprom_size
;
587 const unsigned int rf_size
;
588 const unsigned int tx_queues
;
589 const struct data_queue_desc
*rx
;
590 const struct data_queue_desc
*tx
;
591 const struct data_queue_desc
*bcn
;
592 const struct data_queue_desc
*atim
;
593 const struct rt2x00lib_ops
*lib
;
594 const struct ieee80211_ops
*hw
;
595 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
596 const struct rt2x00debug
*debugfs
;
597 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
601 * rt2x00 device flags
607 DEVICE_STATE_PRESENT
,
608 DEVICE_STATE_REGISTERED_HW
,
609 DEVICE_STATE_INITIALIZED
,
610 DEVICE_STATE_STARTED
,
611 DEVICE_STATE_ENABLED_RADIO
,
614 * Driver requirements
616 DRIVER_REQUIRE_FIRMWARE
,
617 DRIVER_REQUIRE_BEACON_GUARD
,
618 DRIVER_REQUIRE_ATIM_QUEUE
,
620 DRIVER_REQUIRE_COPY_IV
,
621 DRIVER_REQUIRE_L2PAD
,
626 CONFIG_SUPPORT_HW_BUTTON
,
627 CONFIG_SUPPORT_HW_CRYPTO
,
628 DRIVER_SUPPORT_CONTROL_FILTERS
,
629 DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL
,
632 * Driver configuration
636 CONFIG_EXTERNAL_LNA_A
,
637 CONFIG_EXTERNAL_LNA_BG
,
638 CONFIG_DOUBLE_ANTENNA
,
639 CONFIG_DISABLE_LINK_TUNING
,
644 * rt2x00 device structure.
649 * The structure stored in here depends on the
650 * system bus (PCI or USB).
651 * When accessing this variable, the rt2x00dev_{pci,usb}
652 * macros should be used for correct typecasting.
657 * Callback functions.
659 const struct rt2x00_ops
*ops
;
662 * IEEE80211 control structure.
664 struct ieee80211_hw
*hw
;
665 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
666 enum ieee80211_band curr_band
;
669 * If enabled, the debugfs interface structures
670 * required for deregistration of debugfs.
672 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
673 struct rt2x00debug_intf
*debugfs_intf
;
674 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
677 * LED structure for changing the LED status
678 * by mac8011 or the kernel.
680 #ifdef CONFIG_RT2X00_LIB_LEDS
681 struct rt2x00_led led_radio
;
682 struct rt2x00_led led_assoc
;
683 struct rt2x00_led led_qual
;
685 #endif /* CONFIG_RT2X00_LIB_LEDS */
689 * In these flags the current status and some
690 * of the device capabilities are stored.
695 * Device information, Bus IRQ and name (PCI, SoC)
701 * Chipset identification.
703 struct rt2x00_chip chip
;
706 * hw capability specifications.
708 struct hw_mode_spec spec
;
711 * This is the default TX/RX antenna setup as indicated
712 * by the device's EEPROM.
714 struct antenna_setup default_ant
;
718 * csr.base: CSR base register address. (PCI)
719 * csr.cache: CSR cache for usb_control_msg. (USB)
727 * Mutex to protect register accesses.
728 * For PCI and USB devices it protects against concurrent indirect
729 * register access (BBP, RF, MCU) since accessing those
730 * registers require multiple calls to the CSR registers.
731 * For USB devices it also protects the csr_cache since that
732 * field is used for normal CSR access and it cannot support
733 * multiple callers simultaneously.
735 struct mutex csr_mutex
;
738 * Current packet filter configuration for the device.
739 * This contains all currently active FIF_* flags send
740 * to us by mac80211 during configure_filter().
742 unsigned int packet_filter
;
746 * - Open ap interface count.
747 * - Open sta interface count.
748 * - Association count.
750 unsigned int intf_ap_count
;
751 unsigned int intf_sta_count
;
752 unsigned int intf_associated
;
765 * Active RF register values.
766 * These are stored here so we don't need
767 * to read the rf registers and can directly
768 * use this value instead.
769 * This field should be accessed by using
770 * rt2x00_rf_read() and rt2x00_rf_write().
780 * Current TX power value.
785 * Current retry values.
791 * Rssi <-> Dbm offset
796 * Frequency offset (for rt61pci & rt73usb).
801 * Calibration information (for rt2800usb & rt2800pci).
813 * Low level statistics which will have
814 * to be kept up to date while device is running.
816 struct ieee80211_low_level_stats low_level_stats
;
819 * RX configuration information.
821 struct ieee80211_rx_status rx_status
;
825 * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
826 * which means it cannot be placed on the hw->workqueue
827 * due to RTNL locking requirements.
829 struct work_struct intf_work
;
832 * Data queue arrays for RX, TX and Beacon.
833 * The Beacon array also contains the Atim queue
834 * if that is supported by the device.
836 unsigned int data_queues
;
837 struct data_queue
*rx
;
838 struct data_queue
*tx
;
839 struct data_queue
*bcn
;
844 const struct firmware
*fw
;
847 * Driver specific data.
854 * Some registers require multiple attempts before success,
855 * in those cases REGISTER_BUSY_COUNT attempts should be
856 * taken with a REGISTER_BUSY_DELAY interval.
858 #define REGISTER_BUSY_COUNT 5
859 #define REGISTER_BUSY_DELAY 100
863 * The RF is being accessed by word index.
865 static inline void rt2x00_rf_read(struct rt2x00_dev
*rt2x00dev
,
866 const unsigned int word
, u32
*data
)
868 BUG_ON(word
< 1 || word
> rt2x00dev
->ops
->rf_size
/ sizeof(u32
));
869 *data
= rt2x00dev
->rf
[word
- 1];
872 static inline void rt2x00_rf_write(struct rt2x00_dev
*rt2x00dev
,
873 const unsigned int word
, u32 data
)
875 BUG_ON(word
< 1 || word
> rt2x00dev
->ops
->rf_size
/ sizeof(u32
));
876 rt2x00dev
->rf
[word
- 1] = data
;
880 * Generic EEPROM access.
881 * The EEPROM is being accessed by word index.
883 static inline void *rt2x00_eeprom_addr(struct rt2x00_dev
*rt2x00dev
,
884 const unsigned int word
)
886 return (void *)&rt2x00dev
->eeprom
[word
];
889 static inline void rt2x00_eeprom_read(struct rt2x00_dev
*rt2x00dev
,
890 const unsigned int word
, u16
*data
)
892 *data
= le16_to_cpu(rt2x00dev
->eeprom
[word
]);
895 static inline void rt2x00_eeprom_write(struct rt2x00_dev
*rt2x00dev
,
896 const unsigned int word
, u16 data
)
898 rt2x00dev
->eeprom
[word
] = cpu_to_le16(data
);
904 static inline void rt2x00_set_chip(struct rt2x00_dev
*rt2x00dev
,
905 const u16 rt
, const u16 rf
, const u32 rev
)
908 "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
911 rt2x00dev
->chip
.rt
= rt
;
912 rt2x00dev
->chip
.rf
= rf
;
913 rt2x00dev
->chip
.rev
= rev
;
916 static inline void rt2x00_set_chip_rt(struct rt2x00_dev
*rt2x00dev
,
919 rt2x00dev
->chip
.rt
= rt
;
922 static inline void rt2x00_set_chip_rf(struct rt2x00_dev
*rt2x00dev
,
923 const u16 rf
, const u32 rev
)
925 rt2x00_set_chip(rt2x00dev
, rt2x00dev
->chip
.rt
, rf
, rev
);
928 static inline char rt2x00_rt(const struct rt2x00_chip
*chipset
, const u16 chip
)
930 return (chipset
->rt
== chip
);
933 static inline char rt2x00_rf(const struct rt2x00_chip
*chipset
, const u16 chip
)
935 return (chipset
->rf
== chip
);
938 static inline u32
rt2x00_rev(const struct rt2x00_chip
*chipset
)
943 static inline bool rt2x00_check_rev(const struct rt2x00_chip
*chipset
,
944 const u32 mask
, const u32 rev
)
946 return ((chipset
->rev
& mask
) == rev
);
949 static inline void rt2x00_set_chip_intf(struct rt2x00_dev
*rt2x00dev
,
950 enum rt2x00_chip_intf intf
)
952 rt2x00dev
->chip
.intf
= intf
;
955 static inline bool rt2x00_intf(const struct rt2x00_chip
*chipset
,
956 enum rt2x00_chip_intf intf
)
958 return (chipset
->intf
== intf
);
961 static inline bool rt2x00_intf_is_pci(struct rt2x00_dev
*rt2x00dev
)
963 return rt2x00_intf(&rt2x00dev
->chip
, RT2X00_CHIP_INTF_PCI
);
966 static inline bool rt2x00_intf_is_usb(struct rt2x00_dev
*rt2x00dev
)
968 return rt2x00_intf(&rt2x00dev
->chip
, RT2X00_CHIP_INTF_USB
);
972 * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
973 * @rt2x00dev: Pointer to &struct rt2x00_dev.
974 * @skb: The skb to map.
976 void rt2x00queue_map_txskb(struct rt2x00_dev
*rt2x00dev
, struct sk_buff
*skb
);
979 * rt2x00queue_get_queue - Convert queue index to queue pointer
980 * @rt2x00dev: Pointer to &struct rt2x00_dev.
981 * @queue: rt2x00 queue index (see &enum data_queue_qid).
983 struct data_queue
*rt2x00queue_get_queue(struct rt2x00_dev
*rt2x00dev
,
984 const enum data_queue_qid queue
);
987 * rt2x00queue_get_entry - Get queue entry where the given index points to.
988 * @queue: Pointer to &struct data_queue from where we obtain the entry.
989 * @index: Index identifier for obtaining the correct index.
991 struct queue_entry
*rt2x00queue_get_entry(struct data_queue
*queue
,
992 enum queue_index index
);
995 * Interrupt context handlers.
997 void rt2x00lib_beacondone(struct rt2x00_dev
*rt2x00dev
);
998 void rt2x00lib_txdone(struct queue_entry
*entry
,
999 struct txdone_entry_desc
*txdesc
);
1000 void rt2x00lib_rxdone(struct rt2x00_dev
*rt2x00dev
,
1001 struct queue_entry
*entry
);
1004 * mac80211 handlers.
1006 int rt2x00mac_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
);
1007 int rt2x00mac_start(struct ieee80211_hw
*hw
);
1008 void rt2x00mac_stop(struct ieee80211_hw
*hw
);
1009 int rt2x00mac_add_interface(struct ieee80211_hw
*hw
,
1010 struct ieee80211_if_init_conf
*conf
);
1011 void rt2x00mac_remove_interface(struct ieee80211_hw
*hw
,
1012 struct ieee80211_if_init_conf
*conf
);
1013 int rt2x00mac_config(struct ieee80211_hw
*hw
, u32 changed
);
1014 void rt2x00mac_configure_filter(struct ieee80211_hw
*hw
,
1015 unsigned int changed_flags
,
1016 unsigned int *total_flags
,
1018 int rt2x00mac_set_tim(struct ieee80211_hw
*hw
, struct ieee80211_sta
*sta
,
1020 #ifdef CONFIG_RT2X00_LIB_CRYPTO
1021 int rt2x00mac_set_key(struct ieee80211_hw
*hw
, enum set_key_cmd cmd
,
1022 struct ieee80211_vif
*vif
, struct ieee80211_sta
*sta
,
1023 struct ieee80211_key_conf
*key
);
1025 #define rt2x00mac_set_key NULL
1026 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
1027 int rt2x00mac_get_stats(struct ieee80211_hw
*hw
,
1028 struct ieee80211_low_level_stats
*stats
);
1029 int rt2x00mac_get_tx_stats(struct ieee80211_hw
*hw
,
1030 struct ieee80211_tx_queue_stats
*stats
);
1031 void rt2x00mac_bss_info_changed(struct ieee80211_hw
*hw
,
1032 struct ieee80211_vif
*vif
,
1033 struct ieee80211_bss_conf
*bss_conf
,
1035 int rt2x00mac_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
1036 const struct ieee80211_tx_queue_params
*params
);
1037 void rt2x00mac_rfkill_poll(struct ieee80211_hw
*hw
);
1040 * Driver allocation handlers.
1042 int rt2x00lib_probe_dev(struct rt2x00_dev
*rt2x00dev
);
1043 void rt2x00lib_remove_dev(struct rt2x00_dev
*rt2x00dev
);
1045 int rt2x00lib_suspend(struct rt2x00_dev
*rt2x00dev
, pm_message_t state
);
1046 int rt2x00lib_resume(struct rt2x00_dev
*rt2x00dev
);
1047 #endif /* CONFIG_PM */
1049 #endif /* RT2X00_H */