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 * Standard timing and size defines.
117 * These values should follow the ieee80211 specifications.
120 #define IEEE80211_HEADER 24
124 #define SHORT_PREAMBLE 72
126 #define SHORT_SLOT_TIME 9
128 #define PIFS ( SIFS + SLOT_TIME )
129 #define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
130 #define DIFS ( PIFS + SLOT_TIME )
131 #define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
132 #define EIFS ( SIFS + DIFS + \
133 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
134 #define SHORT_EIFS ( SIFS + SHORT_DIFS + \
135 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
138 * Structure for average calculation
139 * The avg field contains the actual average value,
140 * but avg_weight is internally used during calculations
141 * to prevent rounding errors.
148 enum rt2x00_chip_intf
{
149 RT2X00_CHIP_INTF_PCI
,
150 RT2X00_CHIP_INTF_USB
,
154 * Chipset identification
155 * The chipset on the device is composed of a RT and RF chip.
156 * The chipset combination is important for determining device capabilities.
160 #define RT2460 0x0101
161 #define RT2560 0x0201
162 #define RT2570 0x1201
163 #define RT2561s 0x0301 /* Turbo */
164 #define RT2561 0x0302
165 #define RT2661 0x0401
166 #define RT2571 0x1300
167 #define RT2860 0x0601 /* 2.4GHz PCI/CB */
168 #define RT2860D 0x0681 /* 2.4GHz, 5GHz PCI/CB */
169 #define RT2890 0x0701 /* 2.4GHz PCIe */
170 #define RT2890D 0x0781 /* 2.4GHz, 5GHz PCIe */
171 #define RT2880 0x2880 /* WSOC */
172 #define RT3052 0x3052 /* WSOC */
173 #define RT3090 0x3090 /* 2.4GHz PCIe */
174 #define RT2870 0x1600
179 enum rt2x00_chip_intf intf
;
183 * RF register values that belong to a particular channel.
194 * Channel information structure
196 struct channel_info
{
198 #define GEOGRAPHY_ALLOWED 0x00000001
205 * Antenna setup values.
207 struct antenna_setup
{
213 * Quality statistics about the currently active link.
217 * Statistics required for Link tuning by driver
218 * The rssi value is provided by rt2x00lib during the
219 * link_tuner() callback function.
220 * The false_cca field is filled during the link_stats()
221 * callback function and could be used during the
222 * link_tuner() callback function.
229 * Hardware driver will tune the VGC level during each call
230 * to the link_tuner() callback function. This vgc_level is
231 * is determined based on the link quality statistics like
232 * average RSSI and the false CCA count.
234 * In some cases the drivers need to differentiate between
235 * the currently "desired" VGC level and the level configured
236 * in the hardware. The latter is important to reduce the
237 * number of BBP register reads to reduce register access
238 * overhead. For this reason we store both values here.
244 * Statistics required for Signal quality calculation.
245 * These fields might be changed during the link_stats()
255 * Antenna settings about the currently active link.
262 #define ANTENNA_RX_DIVERSITY 0x00000001
263 #define ANTENNA_TX_DIVERSITY 0x00000002
264 #define ANTENNA_MODE_SAMPLE 0x00000004
267 * Currently active TX/RX antenna setup.
268 * When software diversity is used, this will indicate
269 * which antenna is actually used at this time.
271 struct antenna_setup active
;
274 * RSSI history information for the antenna.
275 * Used to determine when to switch antenna
276 * when using software diversity.
281 * Current RSSI average of the currently active antenna.
282 * Similar to the avg_rssi in the link_qual structure
283 * this value is updated by using the walking average.
285 struct avg_val rssi_ant
;
289 * To optimize the quality of the link we need to store
290 * the quality of received frames and periodically
296 * The number of times the link has been tuned
297 * since the radio has been switched on.
302 * Quality measurement values.
304 struct link_qual qual
;
307 * TX/RX antenna setup.
312 * Currently active average RSSI value
314 struct avg_val avg_rssi
;
317 * Work structure for scheduling periodic link tuning.
319 struct delayed_work work
;
323 * Interface structure
324 * Per interface configuration details, this structure
325 * is allocated as the private data for ieee80211_vif.
329 * All fields within the rt2x00_intf structure
330 * must be protected with a spinlock.
340 * BBSID of the AP to associate with.
345 * beacon->skb must be protected with the mutex.
347 struct mutex beacon_skb_mutex
;
350 * Entry in the beacon queue which belongs to
351 * this interface. Each interface has its own
352 * dedicated beacon entry.
354 struct queue_entry
*beacon
;
357 * Actions that needed rescheduling.
359 unsigned int delayed_flags
;
360 #define DELAYED_UPDATE_BEACON 0x00000001
363 * Software sequence counter, this is only required
364 * for hardware which doesn't support hardware
371 static inline struct rt2x00_intf
* vif_to_intf(struct ieee80211_vif
*vif
)
373 return (struct rt2x00_intf
*)vif
->drv_priv
;
377 * struct hw_mode_spec: Hardware specifications structure
379 * Details about the supported modes, rates and channels
380 * of a particular chipset. This is used by rt2x00lib
381 * to build the ieee80211_hw_mode array for mac80211.
383 * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
384 * @supported_rates: Rate types which are supported (CCK, OFDM).
385 * @num_channels: Number of supported channels. This is used as array size
386 * for @tx_power_a, @tx_power_bg and @channels.
387 * @channels: Device/chipset specific channel values (See &struct rf_channel).
388 * @channels_info: Additional information for channels (See &struct channel_info).
389 * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
391 struct hw_mode_spec
{
392 unsigned int supported_bands
;
393 #define SUPPORT_BAND_2GHZ 0x00000001
394 #define SUPPORT_BAND_5GHZ 0x00000002
396 unsigned int supported_rates
;
397 #define SUPPORT_RATE_CCK 0x00000001
398 #define SUPPORT_RATE_OFDM 0x00000002
400 unsigned int num_channels
;
401 const struct rf_channel
*channels
;
402 const struct channel_info
*channels_info
;
404 struct ieee80211_sta_ht_cap ht
;
408 * Configuration structure wrapper around the
409 * mac80211 configuration structure.
410 * When mac80211 configures the driver, rt2x00lib
411 * can precalculate values which are equal for all
412 * rt2x00 drivers. Those values can be stored in here.
414 struct rt2x00lib_conf
{
415 struct ieee80211_conf
*conf
;
417 struct rf_channel rf
;
418 struct channel_info channel
;
422 * Configuration structure for erp settings.
424 struct rt2x00lib_erp
{
441 * Configuration structure for hardware encryption.
443 struct rt2x00lib_crypto
{
446 enum set_key_cmd cmd
;
458 * Configuration structure wrapper around the
459 * rt2x00 interface configuration handler.
461 struct rt2x00intf_conf
{
465 enum nl80211_iftype type
;
468 * TSF sync value, this is dependant on the operation type.
473 * The MAC and BSSID addressess are simple array of bytes,
474 * these arrays are little endian, so when sending the addressess
475 * to the drivers, copy the it into a endian-signed variable.
477 * Note that all devices (except rt2500usb) have 32 bits
478 * register word sizes. This means that whatever variable we
479 * pass _must_ be a multiple of 32 bits. Otherwise the device
480 * might not accept what we are sending to it.
481 * This will also make it easier for the driver to write
482 * the data to the device.
489 * rt2x00lib callback functions.
491 struct rt2x00lib_ops
{
493 * Interrupt handlers.
495 irq_handler_t irq_handler
;
498 * Device init handlers.
500 int (*probe_hw
) (struct rt2x00_dev
*rt2x00dev
);
501 char *(*get_firmware_name
) (struct rt2x00_dev
*rt2x00dev
);
502 int (*check_firmware
) (struct rt2x00_dev
*rt2x00dev
,
503 const u8
*data
, const size_t len
);
504 int (*load_firmware
) (struct rt2x00_dev
*rt2x00dev
,
505 const u8
*data
, const size_t len
);
508 * Device initialization/deinitialization handlers.
510 int (*initialize
) (struct rt2x00_dev
*rt2x00dev
);
511 void (*uninitialize
) (struct rt2x00_dev
*rt2x00dev
);
514 * queue initialization handlers
516 bool (*get_entry_state
) (struct queue_entry
*entry
);
517 void (*clear_entry
) (struct queue_entry
*entry
);
520 * Radio control handlers.
522 int (*set_device_state
) (struct rt2x00_dev
*rt2x00dev
,
523 enum dev_state state
);
524 int (*rfkill_poll
) (struct rt2x00_dev
*rt2x00dev
);
525 void (*link_stats
) (struct rt2x00_dev
*rt2x00dev
,
526 struct link_qual
*qual
);
527 void (*reset_tuner
) (struct rt2x00_dev
*rt2x00dev
,
528 struct link_qual
*qual
);
529 void (*link_tuner
) (struct rt2x00_dev
*rt2x00dev
,
530 struct link_qual
*qual
, const u32 count
);
533 * TX control handlers
535 void (*write_tx_desc
) (struct rt2x00_dev
*rt2x00dev
,
537 struct txentry_desc
*txdesc
);
538 int (*write_tx_data
) (struct queue_entry
*entry
);
539 void (*write_beacon
) (struct queue_entry
*entry
);
540 int (*get_tx_data_len
) (struct queue_entry
*entry
);
541 void (*kick_tx_queue
) (struct rt2x00_dev
*rt2x00dev
,
542 const enum data_queue_qid queue
);
543 void (*kill_tx_queue
) (struct rt2x00_dev
*rt2x00dev
,
544 const enum data_queue_qid queue
);
547 * RX control handlers
549 void (*fill_rxdone
) (struct queue_entry
*entry
,
550 struct rxdone_entry_desc
*rxdesc
);
553 * Configuration handlers.
555 int (*config_shared_key
) (struct rt2x00_dev
*rt2x00dev
,
556 struct rt2x00lib_crypto
*crypto
,
557 struct ieee80211_key_conf
*key
);
558 int (*config_pairwise_key
) (struct rt2x00_dev
*rt2x00dev
,
559 struct rt2x00lib_crypto
*crypto
,
560 struct ieee80211_key_conf
*key
);
561 void (*config_filter
) (struct rt2x00_dev
*rt2x00dev
,
562 const unsigned int filter_flags
);
563 void (*config_intf
) (struct rt2x00_dev
*rt2x00dev
,
564 struct rt2x00_intf
*intf
,
565 struct rt2x00intf_conf
*conf
,
566 const unsigned int flags
);
567 #define CONFIG_UPDATE_TYPE ( 1 << 1 )
568 #define CONFIG_UPDATE_MAC ( 1 << 2 )
569 #define CONFIG_UPDATE_BSSID ( 1 << 3 )
571 void (*config_erp
) (struct rt2x00_dev
*rt2x00dev
,
572 struct rt2x00lib_erp
*erp
);
573 void (*config_ant
) (struct rt2x00_dev
*rt2x00dev
,
574 struct antenna_setup
*ant
);
575 void (*config
) (struct rt2x00_dev
*rt2x00dev
,
576 struct rt2x00lib_conf
*libconf
,
577 const unsigned int changed_flags
);
581 * rt2x00 driver callback operation structure.
585 const unsigned int max_sta_intf
;
586 const unsigned int max_ap_intf
;
587 const unsigned int eeprom_size
;
588 const unsigned int rf_size
;
589 const unsigned int tx_queues
;
590 const struct data_queue_desc
*rx
;
591 const struct data_queue_desc
*tx
;
592 const struct data_queue_desc
*bcn
;
593 const struct data_queue_desc
*atim
;
594 const struct rt2x00lib_ops
*lib
;
595 const struct ieee80211_ops
*hw
;
596 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
597 const struct rt2x00debug
*debugfs
;
598 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
602 * rt2x00 device flags
608 DEVICE_STATE_PRESENT
,
609 DEVICE_STATE_REGISTERED_HW
,
610 DEVICE_STATE_INITIALIZED
,
611 DEVICE_STATE_STARTED
,
612 DEVICE_STATE_ENABLED_RADIO
,
615 * Driver requirements
617 DRIVER_REQUIRE_FIRMWARE
,
618 DRIVER_REQUIRE_BEACON_GUARD
,
619 DRIVER_REQUIRE_ATIM_QUEUE
,
621 DRIVER_REQUIRE_COPY_IV
,
622 DRIVER_REQUIRE_L2PAD
,
627 CONFIG_SUPPORT_HW_BUTTON
,
628 CONFIG_SUPPORT_HW_CRYPTO
,
629 DRIVER_SUPPORT_CONTROL_FILTERS
,
630 DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL
,
633 * Driver configuration
637 CONFIG_EXTERNAL_LNA_A
,
638 CONFIG_EXTERNAL_LNA_BG
,
639 CONFIG_DOUBLE_ANTENNA
,
640 CONFIG_DISABLE_LINK_TUNING
,
645 * rt2x00 device structure.
650 * The structure stored in here depends on the
651 * system bus (PCI or USB).
652 * When accessing this variable, the rt2x00dev_{pci,usb}
653 * macros should be used for correct typecasting.
658 * Callback functions.
660 const struct rt2x00_ops
*ops
;
663 * IEEE80211 control structure.
665 struct ieee80211_hw
*hw
;
666 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
667 enum ieee80211_band curr_band
;
670 * If enabled, the debugfs interface structures
671 * required for deregistration of debugfs.
673 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
674 struct rt2x00debug_intf
*debugfs_intf
;
675 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
678 * LED structure for changing the LED status
679 * by mac8011 or the kernel.
681 #ifdef CONFIG_RT2X00_LIB_LEDS
682 struct rt2x00_led led_radio
;
683 struct rt2x00_led led_assoc
;
684 struct rt2x00_led led_qual
;
686 #endif /* CONFIG_RT2X00_LIB_LEDS */
690 * In these flags the current status and some
691 * of the device capabilities are stored.
696 * Device information, Bus IRQ and name (PCI, SoC)
702 * Chipset identification.
704 struct rt2x00_chip chip
;
707 * hw capability specifications.
709 struct hw_mode_spec spec
;
712 * This is the default TX/RX antenna setup as indicated
713 * by the device's EEPROM.
715 struct antenna_setup default_ant
;
719 * csr.base: CSR base register address. (PCI)
720 * csr.cache: CSR cache for usb_control_msg. (USB)
728 * Mutex to protect register accesses.
729 * For PCI and USB devices it protects against concurrent indirect
730 * register access (BBP, RF, MCU) since accessing those
731 * registers require multiple calls to the CSR registers.
732 * For USB devices it also protects the csr_cache since that
733 * field is used for normal CSR access and it cannot support
734 * multiple callers simultaneously.
736 struct mutex csr_mutex
;
739 * Current packet filter configuration for the device.
740 * This contains all currently active FIF_* flags send
741 * to us by mac80211 during configure_filter().
743 unsigned int packet_filter
;
747 * - Open ap interface count.
748 * - Open sta interface count.
749 * - Association count.
751 unsigned int intf_ap_count
;
752 unsigned int intf_sta_count
;
753 unsigned int intf_associated
;
766 * Active RF register values.
767 * These are stored here so we don't need
768 * to read the rf registers and can directly
769 * use this value instead.
770 * This field should be accessed by using
771 * rt2x00_rf_read() and rt2x00_rf_write().
781 * Current TX power value.
786 * Current retry values.
792 * Rssi <-> Dbm offset
797 * Frequency offset (for rt61pci & rt73usb).
802 * Calibration information (for rt2800usb & rt2800pci).
814 * Low level statistics which will have
815 * to be kept up to date while device is running.
817 struct ieee80211_low_level_stats low_level_stats
;
820 * RX configuration information.
822 struct ieee80211_rx_status rx_status
;
826 * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
827 * which means it cannot be placed on the hw->workqueue
828 * due to RTNL locking requirements.
830 struct work_struct intf_work
;
833 * Data queue arrays for RX, TX and Beacon.
834 * The Beacon array also contains the Atim queue
835 * if that is supported by the device.
837 unsigned int data_queues
;
838 struct data_queue
*rx
;
839 struct data_queue
*tx
;
840 struct data_queue
*bcn
;
845 const struct firmware
*fw
;
848 * Driver specific data.
855 * Some registers require multiple attempts before success,
856 * in those cases REGISTER_BUSY_COUNT attempts should be
857 * taken with a REGISTER_BUSY_DELAY interval.
859 #define REGISTER_BUSY_COUNT 5
860 #define REGISTER_BUSY_DELAY 100
864 * The RF is being accessed by word index.
866 static inline void rt2x00_rf_read(struct rt2x00_dev
*rt2x00dev
,
867 const unsigned int word
, u32
*data
)
869 BUG_ON(word
< 1 || word
> rt2x00dev
->ops
->rf_size
/ sizeof(u32
));
870 *data
= rt2x00dev
->rf
[word
- 1];
873 static inline void rt2x00_rf_write(struct rt2x00_dev
*rt2x00dev
,
874 const unsigned int word
, u32 data
)
876 BUG_ON(word
< 1 || word
> rt2x00dev
->ops
->rf_size
/ sizeof(u32
));
877 rt2x00dev
->rf
[word
- 1] = data
;
881 * Generic EEPROM access.
882 * The EEPROM is being accessed by word index.
884 static inline void *rt2x00_eeprom_addr(struct rt2x00_dev
*rt2x00dev
,
885 const unsigned int word
)
887 return (void *)&rt2x00dev
->eeprom
[word
];
890 static inline void rt2x00_eeprom_read(struct rt2x00_dev
*rt2x00dev
,
891 const unsigned int word
, u16
*data
)
893 *data
= le16_to_cpu(rt2x00dev
->eeprom
[word
]);
896 static inline void rt2x00_eeprom_write(struct rt2x00_dev
*rt2x00dev
,
897 const unsigned int word
, u16 data
)
899 rt2x00dev
->eeprom
[word
] = cpu_to_le16(data
);
905 static inline void rt2x00_set_chip(struct rt2x00_dev
*rt2x00dev
,
906 const u16 rt
, const u16 rf
, const u32 rev
)
909 "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
912 rt2x00dev
->chip
.rt
= rt
;
913 rt2x00dev
->chip
.rf
= rf
;
914 rt2x00dev
->chip
.rev
= rev
;
917 static inline void rt2x00_set_chip_rt(struct rt2x00_dev
*rt2x00dev
,
920 rt2x00dev
->chip
.rt
= rt
;
923 static inline void rt2x00_set_chip_rf(struct rt2x00_dev
*rt2x00dev
,
924 const u16 rf
, const u32 rev
)
926 rt2x00_set_chip(rt2x00dev
, rt2x00dev
->chip
.rt
, rf
, rev
);
929 static inline char rt2x00_rt(const struct rt2x00_chip
*chipset
, const u16 chip
)
931 return (chipset
->rt
== chip
);
934 static inline char rt2x00_rf(const struct rt2x00_chip
*chipset
, const u16 chip
)
936 return (chipset
->rf
== chip
);
939 static inline u32
rt2x00_rev(const struct rt2x00_chip
*chipset
)
944 static inline bool rt2x00_check_rev(const struct rt2x00_chip
*chipset
,
945 const u32 mask
, const u32 rev
)
947 return ((chipset
->rev
& mask
) == rev
);
950 static inline void rt2x00_set_chip_intf(struct rt2x00_dev
*rt2x00dev
,
951 enum rt2x00_chip_intf intf
)
953 rt2x00dev
->chip
.intf
= intf
;
956 static inline bool rt2x00_intf(const struct rt2x00_chip
*chipset
,
957 enum rt2x00_chip_intf intf
)
959 return (chipset
->intf
== intf
);
962 static inline bool rt2x00_intf_is_pci(struct rt2x00_dev
*rt2x00dev
)
964 return rt2x00_intf(&rt2x00dev
->chip
, RT2X00_CHIP_INTF_PCI
);
967 static inline bool rt2x00_intf_is_usb(struct rt2x00_dev
*rt2x00dev
)
969 return rt2x00_intf(&rt2x00dev
->chip
, RT2X00_CHIP_INTF_USB
);
973 * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
974 * @rt2x00dev: Pointer to &struct rt2x00_dev.
975 * @skb: The skb to map.
977 void rt2x00queue_map_txskb(struct rt2x00_dev
*rt2x00dev
, struct sk_buff
*skb
);
980 * rt2x00queue_get_queue - Convert queue index to queue pointer
981 * @rt2x00dev: Pointer to &struct rt2x00_dev.
982 * @queue: rt2x00 queue index (see &enum data_queue_qid).
984 struct data_queue
*rt2x00queue_get_queue(struct rt2x00_dev
*rt2x00dev
,
985 const enum data_queue_qid queue
);
988 * rt2x00queue_get_entry - Get queue entry where the given index points to.
989 * @queue: Pointer to &struct data_queue from where we obtain the entry.
990 * @index: Index identifier for obtaining the correct index.
992 struct queue_entry
*rt2x00queue_get_entry(struct data_queue
*queue
,
993 enum queue_index index
);
996 * Interrupt context handlers.
998 void rt2x00lib_beacondone(struct rt2x00_dev
*rt2x00dev
);
999 void rt2x00lib_txdone(struct queue_entry
*entry
,
1000 struct txdone_entry_desc
*txdesc
);
1001 void rt2x00lib_rxdone(struct rt2x00_dev
*rt2x00dev
,
1002 struct queue_entry
*entry
);
1005 * mac80211 handlers.
1007 int rt2x00mac_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
);
1008 int rt2x00mac_start(struct ieee80211_hw
*hw
);
1009 void rt2x00mac_stop(struct ieee80211_hw
*hw
);
1010 int rt2x00mac_add_interface(struct ieee80211_hw
*hw
,
1011 struct ieee80211_if_init_conf
*conf
);
1012 void rt2x00mac_remove_interface(struct ieee80211_hw
*hw
,
1013 struct ieee80211_if_init_conf
*conf
);
1014 int rt2x00mac_config(struct ieee80211_hw
*hw
, u32 changed
);
1015 void rt2x00mac_configure_filter(struct ieee80211_hw
*hw
,
1016 unsigned int changed_flags
,
1017 unsigned int *total_flags
,
1019 int rt2x00mac_set_tim(struct ieee80211_hw
*hw
, struct ieee80211_sta
*sta
,
1021 #ifdef CONFIG_RT2X00_LIB_CRYPTO
1022 int rt2x00mac_set_key(struct ieee80211_hw
*hw
, enum set_key_cmd cmd
,
1023 struct ieee80211_vif
*vif
, struct ieee80211_sta
*sta
,
1024 struct ieee80211_key_conf
*key
);
1026 #define rt2x00mac_set_key NULL
1027 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
1028 int rt2x00mac_get_stats(struct ieee80211_hw
*hw
,
1029 struct ieee80211_low_level_stats
*stats
);
1030 int rt2x00mac_get_tx_stats(struct ieee80211_hw
*hw
,
1031 struct ieee80211_tx_queue_stats
*stats
);
1032 void rt2x00mac_bss_info_changed(struct ieee80211_hw
*hw
,
1033 struct ieee80211_vif
*vif
,
1034 struct ieee80211_bss_conf
*bss_conf
,
1036 int rt2x00mac_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
1037 const struct ieee80211_tx_queue_params
*params
);
1038 void rt2x00mac_rfkill_poll(struct ieee80211_hw
*hw
);
1041 * Driver allocation handlers.
1043 int rt2x00lib_probe_dev(struct rt2x00_dev
*rt2x00dev
);
1044 void rt2x00lib_remove_dev(struct rt2x00_dev
*rt2x00dev
);
1046 int rt2x00lib_suspend(struct rt2x00_dev
*rt2x00dev
, pm_message_t state
);
1047 int rt2x00lib_resume(struct rt2x00_dev
*rt2x00dev
);
1048 #endif /* CONFIG_PM */
1050 #endif /* RT2X00_H */