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 "rt2x00dump.h"
43 #include "rt2x00leds.h"
44 #include "rt2x00reg.h"
45 #include "rt2x00queue.h"
50 #define DRV_VERSION "2.3.0"
51 #define DRV_PROJECT "http://rt2x00.serialmonkey.com"
55 * Debug output has to be enabled during compile time.
57 #define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \
58 printk(__kernlvl "%s -> %s: %s - " __msg, \
59 wiphy_name((__dev)->hw->wiphy), __func__, __lvl, ##__args)
61 #define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \
62 printk(__kernlvl "%s -> %s: %s - " __msg, \
63 KBUILD_MODNAME, __func__, __lvl, ##__args)
65 #ifdef CONFIG_RT2X00_DEBUG
66 #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
67 DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args);
69 #define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
71 #endif /* CONFIG_RT2X00_DEBUG */
74 * Various debug levels.
75 * The debug levels PANIC and ERROR both indicate serious problems,
76 * for this reason they should never be ignored.
77 * The special ERROR_PROBE message is for messages that are generated
78 * when the rt2x00_dev is not yet initialized.
80 #define PANIC(__dev, __msg, __args...) \
81 DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args)
82 #define ERROR(__dev, __msg, __args...) \
83 DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args)
84 #define ERROR_PROBE(__msg, __args...) \
85 DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args)
86 #define WARNING(__dev, __msg, __args...) \
87 DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args)
88 #define NOTICE(__dev, __msg, __args...) \
89 DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args)
90 #define INFO(__dev, __msg, __args...) \
91 DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args)
92 #define DEBUG(__dev, __msg, __args...) \
93 DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args)
94 #define EEPROM(__dev, __msg, __args...) \
95 DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
98 * Duration calculations
99 * The rate variable passed is: 100kbs.
100 * To convert from bytes to bits we multiply size with 8,
101 * then the size is multiplied with 10 to make the
102 * real rate -> rate argument correction.
104 #define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate))
105 #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))
108 * Determine the number of L2 padding bytes required between the header and
111 #define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3)
114 * Determine the alignment requirement,
115 * to make sure the 802.11 payload is padded to a 4-byte boundrary
116 * we must determine the address of the payload and calculate the
117 * amount of bytes needed to move the data.
119 #define ALIGN_SIZE(__skb, __header) \
120 ( ((unsigned long)((__skb)->data + (__header))) & 3 )
123 * Constants for extra TX headroom for alignment purposes.
125 #define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */
126 #define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */
129 * Standard timing and size defines.
130 * These values should follow the ieee80211 specifications.
133 #define IEEE80211_HEADER 24
137 #define SHORT_PREAMBLE 72
139 #define SHORT_SLOT_TIME 9
141 #define PIFS ( SIFS + SLOT_TIME )
142 #define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
143 #define DIFS ( PIFS + SLOT_TIME )
144 #define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
145 #define EIFS ( SIFS + DIFS + \
146 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
147 #define SHORT_EIFS ( SIFS + SHORT_DIFS + \
148 GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
151 * Structure for average calculation
152 * The avg field contains the actual average value,
153 * but avg_weight is internally used during calculations
154 * to prevent rounding errors.
161 enum rt2x00_chip_intf
{
162 RT2X00_CHIP_INTF_PCI
,
163 RT2X00_CHIP_INTF_USB
,
164 RT2X00_CHIP_INTF_SOC
,
168 * Chipset identification
169 * The chipset on the device is composed of a RT and RF chip.
170 * The chipset combination is important for determining device capabilities.
174 #define RT2460 0x2460
175 #define RT2560 0x2560
176 #define RT2570 0x2570
177 #define RT2661 0x2661
178 #define RT2573 0x2573
179 #define RT2860 0x2860 /* 2.4GHz PCI/CB */
180 #define RT2870 0x2870
181 #define RT2872 0x2872 /* WSOC */
182 #define RT2883 0x2883 /* WSOC */
183 #define RT3070 0x3070
184 #define RT3071 0x3071
185 #define RT3090 0x3090 /* 2.4GHz PCIe */
186 #define RT3390 0x3390
187 #define RT3572 0x3572
188 #define RT3593 0x3593 /* PCIe */
189 #define RT3883 0x3883 /* WSOC */
194 enum rt2x00_chip_intf intf
;
198 * RF register values that belong to a particular channel.
209 * Channel information structure
211 struct channel_info
{
213 #define GEOGRAPHY_ALLOWED 0x00000001
220 * Antenna setup values.
222 struct antenna_setup
{
228 * Quality statistics about the currently active link.
232 * Statistics required for Link tuning by driver
233 * The rssi value is provided by rt2x00lib during the
234 * link_tuner() callback function.
235 * The false_cca field is filled during the link_stats()
236 * callback function and could be used during the
237 * link_tuner() callback function.
244 * Hardware driver will tune the VGC level during each call
245 * to the link_tuner() callback function. This vgc_level is
246 * is determined based on the link quality statistics like
247 * average RSSI and the false CCA count.
249 * In some cases the drivers need to differentiate between
250 * the currently "desired" VGC level and the level configured
251 * in the hardware. The latter is important to reduce the
252 * number of BBP register reads to reduce register access
253 * overhead. For this reason we store both values here.
259 * Statistics required for Signal quality calculation.
260 * These fields might be changed during the link_stats()
270 * Antenna settings about the currently active link.
277 #define ANTENNA_RX_DIVERSITY 0x00000001
278 #define ANTENNA_TX_DIVERSITY 0x00000002
279 #define ANTENNA_MODE_SAMPLE 0x00000004
282 * Currently active TX/RX antenna setup.
283 * When software diversity is used, this will indicate
284 * which antenna is actually used at this time.
286 struct antenna_setup active
;
289 * RSSI history information for the antenna.
290 * Used to determine when to switch antenna
291 * when using software diversity.
296 * Current RSSI average of the currently active antenna.
297 * Similar to the avg_rssi in the link_qual structure
298 * this value is updated by using the walking average.
300 struct avg_val rssi_ant
;
304 * To optimize the quality of the link we need to store
305 * the quality of received frames and periodically
311 * The number of times the link has been tuned
312 * since the radio has been switched on.
317 * Quality measurement values.
319 struct link_qual qual
;
322 * TX/RX antenna setup.
327 * Currently active average RSSI value
329 struct avg_val avg_rssi
;
332 * Work structure for scheduling periodic link tuning.
334 struct delayed_work work
;
338 * Interface structure
339 * Per interface configuration details, this structure
340 * is allocated as the private data for ieee80211_vif.
344 * All fields within the rt2x00_intf structure
345 * must be protected with a spinlock.
355 * BBSID of the AP to associate with.
360 * beacon->skb must be protected with the mutex.
362 struct mutex beacon_skb_mutex
;
365 * Entry in the beacon queue which belongs to
366 * this interface. Each interface has its own
367 * dedicated beacon entry.
369 struct queue_entry
*beacon
;
372 * Actions that needed rescheduling.
374 unsigned int delayed_flags
;
375 #define DELAYED_UPDATE_BEACON 0x00000001
378 * Software sequence counter, this is only required
379 * for hardware which doesn't support hardware
386 static inline struct rt2x00_intf
* vif_to_intf(struct ieee80211_vif
*vif
)
388 return (struct rt2x00_intf
*)vif
->drv_priv
;
392 * struct hw_mode_spec: Hardware specifications structure
394 * Details about the supported modes, rates and channels
395 * of a particular chipset. This is used by rt2x00lib
396 * to build the ieee80211_hw_mode array for mac80211.
398 * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
399 * @supported_rates: Rate types which are supported (CCK, OFDM).
400 * @num_channels: Number of supported channels. This is used as array size
401 * for @tx_power_a, @tx_power_bg and @channels.
402 * @channels: Device/chipset specific channel values (See &struct rf_channel).
403 * @channels_info: Additional information for channels (See &struct channel_info).
404 * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
406 struct hw_mode_spec
{
407 unsigned int supported_bands
;
408 #define SUPPORT_BAND_2GHZ 0x00000001
409 #define SUPPORT_BAND_5GHZ 0x00000002
411 unsigned int supported_rates
;
412 #define SUPPORT_RATE_CCK 0x00000001
413 #define SUPPORT_RATE_OFDM 0x00000002
415 unsigned int num_channels
;
416 const struct rf_channel
*channels
;
417 const struct channel_info
*channels_info
;
419 struct ieee80211_sta_ht_cap ht
;
423 * Configuration structure wrapper around the
424 * mac80211 configuration structure.
425 * When mac80211 configures the driver, rt2x00lib
426 * can precalculate values which are equal for all
427 * rt2x00 drivers. Those values can be stored in here.
429 struct rt2x00lib_conf
{
430 struct ieee80211_conf
*conf
;
432 struct rf_channel rf
;
433 struct channel_info channel
;
437 * Configuration structure for erp settings.
439 struct rt2x00lib_erp
{
456 * Configuration structure for hardware encryption.
458 struct rt2x00lib_crypto
{
461 enum set_key_cmd cmd
;
473 * Configuration structure wrapper around the
474 * rt2x00 interface configuration handler.
476 struct rt2x00intf_conf
{
480 enum nl80211_iftype type
;
483 * TSF sync value, this is dependant on the operation type.
488 * The MAC and BSSID addressess are simple array of bytes,
489 * these arrays are little endian, so when sending the addressess
490 * to the drivers, copy the it into a endian-signed variable.
492 * Note that all devices (except rt2500usb) have 32 bits
493 * register word sizes. This means that whatever variable we
494 * pass _must_ be a multiple of 32 bits. Otherwise the device
495 * might not accept what we are sending to it.
496 * This will also make it easier for the driver to write
497 * the data to the device.
504 * rt2x00lib callback functions.
506 struct rt2x00lib_ops
{
508 * Interrupt handlers.
510 irq_handler_t irq_handler
;
513 * Device init handlers.
515 int (*probe_hw
) (struct rt2x00_dev
*rt2x00dev
);
516 char *(*get_firmware_name
) (struct rt2x00_dev
*rt2x00dev
);
517 int (*check_firmware
) (struct rt2x00_dev
*rt2x00dev
,
518 const u8
*data
, const size_t len
);
519 int (*load_firmware
) (struct rt2x00_dev
*rt2x00dev
,
520 const u8
*data
, const size_t len
);
523 * Device initialization/deinitialization handlers.
525 int (*initialize
) (struct rt2x00_dev
*rt2x00dev
);
526 void (*uninitialize
) (struct rt2x00_dev
*rt2x00dev
);
529 * queue initialization handlers
531 bool (*get_entry_state
) (struct queue_entry
*entry
);
532 void (*clear_entry
) (struct queue_entry
*entry
);
535 * Radio control handlers.
537 int (*set_device_state
) (struct rt2x00_dev
*rt2x00dev
,
538 enum dev_state state
);
539 int (*rfkill_poll
) (struct rt2x00_dev
*rt2x00dev
);
540 void (*link_stats
) (struct rt2x00_dev
*rt2x00dev
,
541 struct link_qual
*qual
);
542 void (*reset_tuner
) (struct rt2x00_dev
*rt2x00dev
,
543 struct link_qual
*qual
);
544 void (*link_tuner
) (struct rt2x00_dev
*rt2x00dev
,
545 struct link_qual
*qual
, const u32 count
);
548 * TX control handlers
550 void (*write_tx_desc
) (struct rt2x00_dev
*rt2x00dev
,
552 struct txentry_desc
*txdesc
);
553 int (*write_tx_data
) (struct queue_entry
*entry
,
554 struct txentry_desc
*txdesc
);
555 void (*write_tx_datadesc
) (struct queue_entry
*entry
,
556 struct txentry_desc
*txdesc
);
557 void (*write_beacon
) (struct queue_entry
*entry
,
558 struct txentry_desc
*txdesc
);
559 int (*get_tx_data_len
) (struct queue_entry
*entry
);
560 void (*kick_tx_queue
) (struct rt2x00_dev
*rt2x00dev
,
561 const enum data_queue_qid queue
);
562 void (*kill_tx_queue
) (struct rt2x00_dev
*rt2x00dev
,
563 const enum data_queue_qid queue
);
566 * RX control handlers
568 void (*fill_rxdone
) (struct queue_entry
*entry
,
569 struct rxdone_entry_desc
*rxdesc
);
572 * Configuration handlers.
574 int (*config_shared_key
) (struct rt2x00_dev
*rt2x00dev
,
575 struct rt2x00lib_crypto
*crypto
,
576 struct ieee80211_key_conf
*key
);
577 int (*config_pairwise_key
) (struct rt2x00_dev
*rt2x00dev
,
578 struct rt2x00lib_crypto
*crypto
,
579 struct ieee80211_key_conf
*key
);
580 void (*config_filter
) (struct rt2x00_dev
*rt2x00dev
,
581 const unsigned int filter_flags
);
582 void (*config_intf
) (struct rt2x00_dev
*rt2x00dev
,
583 struct rt2x00_intf
*intf
,
584 struct rt2x00intf_conf
*conf
,
585 const unsigned int flags
);
586 #define CONFIG_UPDATE_TYPE ( 1 << 1 )
587 #define CONFIG_UPDATE_MAC ( 1 << 2 )
588 #define CONFIG_UPDATE_BSSID ( 1 << 3 )
590 void (*config_erp
) (struct rt2x00_dev
*rt2x00dev
,
591 struct rt2x00lib_erp
*erp
);
592 void (*config_ant
) (struct rt2x00_dev
*rt2x00dev
,
593 struct antenna_setup
*ant
);
594 void (*config
) (struct rt2x00_dev
*rt2x00dev
,
595 struct rt2x00lib_conf
*libconf
,
596 const unsigned int changed_flags
);
600 * rt2x00 driver callback operation structure.
604 const unsigned int max_sta_intf
;
605 const unsigned int max_ap_intf
;
606 const unsigned int eeprom_size
;
607 const unsigned int rf_size
;
608 const unsigned int tx_queues
;
609 const unsigned int extra_tx_headroom
;
610 const struct data_queue_desc
*rx
;
611 const struct data_queue_desc
*tx
;
612 const struct data_queue_desc
*bcn
;
613 const struct data_queue_desc
*atim
;
614 const struct rt2x00lib_ops
*lib
;
615 const struct ieee80211_ops
*hw
;
616 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
617 const struct rt2x00debug
*debugfs
;
618 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
622 * rt2x00 device flags
628 DEVICE_STATE_PRESENT
,
629 DEVICE_STATE_REGISTERED_HW
,
630 DEVICE_STATE_INITIALIZED
,
631 DEVICE_STATE_STARTED
,
632 DEVICE_STATE_ENABLED_RADIO
,
635 * Driver requirements
637 DRIVER_REQUIRE_FIRMWARE
,
638 DRIVER_REQUIRE_BEACON_GUARD
,
639 DRIVER_REQUIRE_ATIM_QUEUE
,
641 DRIVER_REQUIRE_COPY_IV
,
642 DRIVER_REQUIRE_L2PAD
,
647 CONFIG_SUPPORT_HW_BUTTON
,
648 CONFIG_SUPPORT_HW_CRYPTO
,
649 DRIVER_SUPPORT_CONTROL_FILTERS
,
650 DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL
,
653 * Driver configuration
657 CONFIG_EXTERNAL_LNA_A
,
658 CONFIG_EXTERNAL_LNA_BG
,
659 CONFIG_DOUBLE_ANTENNA
,
660 CONFIG_DISABLE_LINK_TUNING
,
665 * rt2x00 device structure.
670 * The structure stored in here depends on the
671 * system bus (PCI or USB).
672 * When accessing this variable, the rt2x00dev_{pci,usb}
673 * macros should be used for correct typecasting.
678 * Callback functions.
680 const struct rt2x00_ops
*ops
;
683 * IEEE80211 control structure.
685 struct ieee80211_hw
*hw
;
686 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
687 enum ieee80211_band curr_band
;
690 * If enabled, the debugfs interface structures
691 * required for deregistration of debugfs.
693 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
694 struct rt2x00debug_intf
*debugfs_intf
;
695 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
698 * LED structure for changing the LED status
699 * by mac8011 or the kernel.
701 #ifdef CONFIG_RT2X00_LIB_LEDS
702 struct rt2x00_led led_radio
;
703 struct rt2x00_led led_assoc
;
704 struct rt2x00_led led_qual
;
706 #endif /* CONFIG_RT2X00_LIB_LEDS */
710 * In these flags the current status and some
711 * of the device capabilities are stored.
716 * Device information, Bus IRQ and name (PCI, SoC)
722 * Chipset identification.
724 struct rt2x00_chip chip
;
727 * hw capability specifications.
729 struct hw_mode_spec spec
;
732 * This is the default TX/RX antenna setup as indicated
733 * by the device's EEPROM.
735 struct antenna_setup default_ant
;
739 * csr.base: CSR base register address. (PCI)
740 * csr.cache: CSR cache for usb_control_msg. (USB)
748 * Mutex to protect register accesses.
749 * For PCI and USB devices it protects against concurrent indirect
750 * register access (BBP, RF, MCU) since accessing those
751 * registers require multiple calls to the CSR registers.
752 * For USB devices it also protects the csr_cache since that
753 * field is used for normal CSR access and it cannot support
754 * multiple callers simultaneously.
756 struct mutex csr_mutex
;
759 * Current packet filter configuration for the device.
760 * This contains all currently active FIF_* flags send
761 * to us by mac80211 during configure_filter().
763 unsigned int packet_filter
;
767 * - Open ap interface count.
768 * - Open sta interface count.
769 * - Association count.
771 unsigned int intf_ap_count
;
772 unsigned int intf_sta_count
;
773 unsigned int intf_associated
;
786 * Active RF register values.
787 * These are stored here so we don't need
788 * to read the rf registers and can directly
789 * use this value instead.
790 * This field should be accessed by using
791 * rt2x00_rf_read() and rt2x00_rf_write().
801 * Current TX power value.
806 * Current retry values.
812 * Rssi <-> Dbm offset
817 * Frequency offset (for rt61pci & rt73usb).
822 * Calibration information (for rt2800usb & rt2800pci).
834 * Low level statistics which will have
835 * to be kept up to date while device is running.
837 struct ieee80211_low_level_stats low_level_stats
;
840 * RX configuration information.
842 struct ieee80211_rx_status rx_status
;
846 * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
847 * which means it cannot be placed on the hw->workqueue
848 * due to RTNL locking requirements.
850 struct work_struct intf_work
;
853 * Data queue arrays for RX, TX and Beacon.
854 * The Beacon array also contains the Atim queue
855 * if that is supported by the device.
857 unsigned int data_queues
;
858 struct data_queue
*rx
;
859 struct data_queue
*tx
;
860 struct data_queue
*bcn
;
865 const struct firmware
*fw
;
868 * Driver specific data.
875 * Some registers require multiple attempts before success,
876 * in those cases REGISTER_BUSY_COUNT attempts should be
877 * taken with a REGISTER_BUSY_DELAY interval.
879 #define REGISTER_BUSY_COUNT 5
880 #define REGISTER_BUSY_DELAY 100
884 * The RF is being accessed by word index.
886 static inline void rt2x00_rf_read(struct rt2x00_dev
*rt2x00dev
,
887 const unsigned int word
, u32
*data
)
889 BUG_ON(word
< 1 || word
> rt2x00dev
->ops
->rf_size
/ sizeof(u32
));
890 *data
= rt2x00dev
->rf
[word
- 1];
893 static inline void rt2x00_rf_write(struct rt2x00_dev
*rt2x00dev
,
894 const unsigned int word
, u32 data
)
896 BUG_ON(word
< 1 || word
> rt2x00dev
->ops
->rf_size
/ sizeof(u32
));
897 rt2x00dev
->rf
[word
- 1] = data
;
901 * Generic EEPROM access.
902 * The EEPROM is being accessed by word index.
904 static inline void *rt2x00_eeprom_addr(struct rt2x00_dev
*rt2x00dev
,
905 const unsigned int word
)
907 return (void *)&rt2x00dev
->eeprom
[word
];
910 static inline void rt2x00_eeprom_read(struct rt2x00_dev
*rt2x00dev
,
911 const unsigned int word
, u16
*data
)
913 *data
= le16_to_cpu(rt2x00dev
->eeprom
[word
]);
916 static inline void rt2x00_eeprom_write(struct rt2x00_dev
*rt2x00dev
,
917 const unsigned int word
, u16 data
)
919 rt2x00dev
->eeprom
[word
] = cpu_to_le16(data
);
925 static inline void rt2x00_set_chip(struct rt2x00_dev
*rt2x00dev
,
926 const u16 rt
, const u16 rf
, const u16 rev
)
928 rt2x00dev
->chip
.rt
= rt
;
929 rt2x00dev
->chip
.rf
= rf
;
930 rt2x00dev
->chip
.rev
= rev
;
933 "Chipset detected - rt: %04x, rf: %04x, rev: %04x.\n",
934 rt2x00dev
->chip
.rt
, rt2x00dev
->chip
.rf
, rt2x00dev
->chip
.rev
);
937 static inline bool rt2x00_rt(struct rt2x00_dev
*rt2x00dev
, const u16 rt
)
939 return (rt2x00dev
->chip
.rt
== rt
);
942 static inline bool rt2x00_rf(struct rt2x00_dev
*rt2x00dev
, const u16 rf
)
944 return (rt2x00dev
->chip
.rf
== rf
);
947 static inline u16
rt2x00_rev(struct rt2x00_dev
*rt2x00dev
)
949 return rt2x00dev
->chip
.rev
;
952 static inline bool rt2x00_rt_rev(struct rt2x00_dev
*rt2x00dev
,
953 const u16 rt
, const u16 rev
)
955 return (rt2x00_rt(rt2x00dev
, rt
) && rt2x00_rev(rt2x00dev
) == rev
);
958 static inline bool rt2x00_rt_rev_lt(struct rt2x00_dev
*rt2x00dev
,
959 const u16 rt
, const u16 rev
)
961 return (rt2x00_rt(rt2x00dev
, rt
) && rt2x00_rev(rt2x00dev
) < rev
);
964 static inline bool rt2x00_rt_rev_gte(struct rt2x00_dev
*rt2x00dev
,
965 const u16 rt
, const u16 rev
)
967 return (rt2x00_rt(rt2x00dev
, rt
) && rt2x00_rev(rt2x00dev
) >= rev
);
970 static inline void rt2x00_set_chip_intf(struct rt2x00_dev
*rt2x00dev
,
971 enum rt2x00_chip_intf intf
)
973 rt2x00dev
->chip
.intf
= intf
;
976 static inline bool rt2x00_intf(struct rt2x00_dev
*rt2x00dev
,
977 enum rt2x00_chip_intf intf
)
979 return (rt2x00dev
->chip
.intf
== intf
);
982 static inline bool rt2x00_is_pci(struct rt2x00_dev
*rt2x00dev
)
984 return rt2x00_intf(rt2x00dev
, RT2X00_CHIP_INTF_PCI
);
987 static inline bool rt2x00_is_usb(struct rt2x00_dev
*rt2x00dev
)
989 return rt2x00_intf(rt2x00dev
, RT2X00_CHIP_INTF_USB
);
992 static inline bool rt2x00_is_soc(struct rt2x00_dev
*rt2x00dev
)
994 return rt2x00_intf(rt2x00dev
, RT2X00_CHIP_INTF_SOC
);
998 * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
999 * @rt2x00dev: Pointer to &struct rt2x00_dev.
1000 * @skb: The skb to map.
1002 void rt2x00queue_map_txskb(struct rt2x00_dev
*rt2x00dev
, struct sk_buff
*skb
);
1005 * rt2x00queue_unmap_skb - Unmap a skb from DMA.
1006 * @rt2x00dev: Pointer to &struct rt2x00_dev.
1007 * @skb: The skb to unmap.
1009 void rt2x00queue_unmap_skb(struct rt2x00_dev
*rt2x00dev
, struct sk_buff
*skb
);
1012 * rt2x00queue_get_queue - Convert queue index to queue pointer
1013 * @rt2x00dev: Pointer to &struct rt2x00_dev.
1014 * @queue: rt2x00 queue index (see &enum data_queue_qid).
1016 struct data_queue
*rt2x00queue_get_queue(struct rt2x00_dev
*rt2x00dev
,
1017 const enum data_queue_qid queue
);
1020 * rt2x00queue_get_entry - Get queue entry where the given index points to.
1021 * @queue: Pointer to &struct data_queue from where we obtain the entry.
1022 * @index: Index identifier for obtaining the correct index.
1024 struct queue_entry
*rt2x00queue_get_entry(struct data_queue
*queue
,
1025 enum queue_index index
);
1031 * rt2x00debug_dump_frame - Dump a frame to userspace through debugfs.
1032 * @rt2x00dev: Pointer to &struct rt2x00_dev.
1033 * @type: The type of frame that is being dumped.
1034 * @skb: The skb containing the frame to be dumped.
1036 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1037 void rt2x00debug_dump_frame(struct rt2x00_dev
*rt2x00dev
,
1038 enum rt2x00_dump_type type
, struct sk_buff
*skb
);
1040 static inline void rt2x00debug_dump_frame(struct rt2x00_dev
*rt2x00dev
,
1041 enum rt2x00_dump_type type
,
1042 struct sk_buff
*skb
)
1045 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1048 * Interrupt context handlers.
1050 void rt2x00lib_beacondone(struct rt2x00_dev
*rt2x00dev
);
1051 void rt2x00lib_txdone(struct queue_entry
*entry
,
1052 struct txdone_entry_desc
*txdesc
);
1053 void rt2x00lib_rxdone(struct rt2x00_dev
*rt2x00dev
,
1054 struct queue_entry
*entry
);
1057 * mac80211 handlers.
1059 int rt2x00mac_tx(struct ieee80211_hw
*hw
, struct sk_buff
*skb
);
1060 int rt2x00mac_start(struct ieee80211_hw
*hw
);
1061 void rt2x00mac_stop(struct ieee80211_hw
*hw
);
1062 int rt2x00mac_add_interface(struct ieee80211_hw
*hw
,
1063 struct ieee80211_vif
*vif
);
1064 void rt2x00mac_remove_interface(struct ieee80211_hw
*hw
,
1065 struct ieee80211_vif
*vif
);
1066 int rt2x00mac_config(struct ieee80211_hw
*hw
, u32 changed
);
1067 void rt2x00mac_configure_filter(struct ieee80211_hw
*hw
,
1068 unsigned int changed_flags
,
1069 unsigned int *total_flags
,
1071 int rt2x00mac_set_tim(struct ieee80211_hw
*hw
, struct ieee80211_sta
*sta
,
1073 #ifdef CONFIG_RT2X00_LIB_CRYPTO
1074 int rt2x00mac_set_key(struct ieee80211_hw
*hw
, enum set_key_cmd cmd
,
1075 struct ieee80211_vif
*vif
, struct ieee80211_sta
*sta
,
1076 struct ieee80211_key_conf
*key
);
1078 #define rt2x00mac_set_key NULL
1079 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
1080 int rt2x00mac_get_stats(struct ieee80211_hw
*hw
,
1081 struct ieee80211_low_level_stats
*stats
);
1082 void rt2x00mac_bss_info_changed(struct ieee80211_hw
*hw
,
1083 struct ieee80211_vif
*vif
,
1084 struct ieee80211_bss_conf
*bss_conf
,
1086 int rt2x00mac_conf_tx(struct ieee80211_hw
*hw
, u16 queue
,
1087 const struct ieee80211_tx_queue_params
*params
);
1088 void rt2x00mac_rfkill_poll(struct ieee80211_hw
*hw
);
1091 * Driver allocation handlers.
1093 int rt2x00lib_probe_dev(struct rt2x00_dev
*rt2x00dev
);
1094 void rt2x00lib_remove_dev(struct rt2x00_dev
*rt2x00dev
);
1096 int rt2x00lib_suspend(struct rt2x00_dev
*rt2x00dev
, pm_message_t state
);
1097 int rt2x00lib_resume(struct rt2x00_dev
*rt2x00dev
);
1098 #endif /* CONFIG_PM */
1100 #endif /* RT2X00_H */