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_PCIE,
164 RT2X00_CHIP_INTF_USB,
165 RT2X00_CHIP_INTF_SOC,
169 * Chipset identification
170 * The chipset on the device is composed of a RT and RF chip.
171 * The chipset combination is important for determining device capabilities.
175 #define RT2460 0x2460
176 #define RT2560 0x2560
177 #define RT2570 0x2570
178 #define RT2661 0x2661
179 #define RT2573 0x2573
180 #define RT2860 0x2860 /* 2.4GHz */
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;
337 * Work structure for scheduling periodic watchdog monitoring.
339 struct delayed_work watchdog_work;
343 * Interface structure
344 * Per interface configuration details, this structure
345 * is allocated as the private data for ieee80211_vif.
349 * All fields within the rt2x00_intf structure
350 * must be protected with a spinlock.
360 * BBSID of the AP to associate with.
365 * beacon->skb must be protected with the mutex.
367 struct mutex beacon_skb_mutex;
370 * Entry in the beacon queue which belongs to
371 * this interface. Each interface has its own
372 * dedicated beacon entry.
374 struct queue_entry *beacon;
377 * Actions that needed rescheduling.
379 unsigned int delayed_flags;
380 #define DELAYED_UPDATE_BEACON 0x00000001
383 * Software sequence counter, this is only required
384 * for hardware which doesn't support hardware
391 static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
393 return (struct rt2x00_intf *)vif->drv_priv;
397 * struct hw_mode_spec: Hardware specifications structure
399 * Details about the supported modes, rates and channels
400 * of a particular chipset. This is used by rt2x00lib
401 * to build the ieee80211_hw_mode array for mac80211.
403 * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
404 * @supported_rates: Rate types which are supported (CCK, OFDM).
405 * @num_channels: Number of supported channels. This is used as array size
406 * for @tx_power_a, @tx_power_bg and @channels.
407 * @channels: Device/chipset specific channel values (See &struct rf_channel).
408 * @channels_info: Additional information for channels (See &struct channel_info).
409 * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
411 struct hw_mode_spec {
412 unsigned int supported_bands;
413 #define SUPPORT_BAND_2GHZ 0x00000001
414 #define SUPPORT_BAND_5GHZ 0x00000002
416 unsigned int supported_rates;
417 #define SUPPORT_RATE_CCK 0x00000001
418 #define SUPPORT_RATE_OFDM 0x00000002
420 unsigned int num_channels;
421 const struct rf_channel *channels;
422 const struct channel_info *channels_info;
424 struct ieee80211_sta_ht_cap ht;
428 * Configuration structure wrapper around the
429 * mac80211 configuration structure.
430 * When mac80211 configures the driver, rt2x00lib
431 * can precalculate values which are equal for all
432 * rt2x00 drivers. Those values can be stored in here.
434 struct rt2x00lib_conf {
435 struct ieee80211_conf *conf;
437 struct rf_channel rf;
438 struct channel_info channel;
442 * Configuration structure for erp settings.
444 struct rt2x00lib_erp {
461 * Configuration structure for hardware encryption.
463 struct rt2x00lib_crypto {
466 enum set_key_cmd cmd;
478 * Configuration structure wrapper around the
479 * rt2x00 interface configuration handler.
481 struct rt2x00intf_conf {
485 enum nl80211_iftype type;
488 * TSF sync value, this is dependant on the operation type.
493 * The MAC and BSSID addressess are simple array of bytes,
494 * these arrays are little endian, so when sending the addressess
495 * to the drivers, copy the it into a endian-signed variable.
497 * Note that all devices (except rt2500usb) have 32 bits
498 * register word sizes. This means that whatever variable we
499 * pass _must_ be a multiple of 32 bits. Otherwise the device
500 * might not accept what we are sending to it.
501 * This will also make it easier for the driver to write
502 * the data to the device.
509 * rt2x00lib callback functions.
511 struct rt2x00lib_ops {
513 * Interrupt handlers.
515 irq_handler_t irq_handler;
518 * Threaded Interrupt handlers.
520 irq_handler_t irq_handler_thread;
523 * Device init handlers.
525 int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
526 char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
527 int (*check_firmware) (struct rt2x00_dev *rt2x00dev,
528 const u8 *data, const size_t len);
529 int (*load_firmware) (struct rt2x00_dev *rt2x00dev,
530 const u8 *data, const size_t len);
533 * Device initialization/deinitialization handlers.
535 int (*initialize) (struct rt2x00_dev *rt2x00dev);
536 void (*uninitialize) (struct rt2x00_dev *rt2x00dev);
539 * queue initialization handlers
541 bool (*get_entry_state) (struct queue_entry *entry);
542 void (*clear_entry) (struct queue_entry *entry);
545 * Radio control handlers.
547 int (*set_device_state) (struct rt2x00_dev *rt2x00dev,
548 enum dev_state state);
549 int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev);
550 void (*link_stats) (struct rt2x00_dev *rt2x00dev,
551 struct link_qual *qual);
552 void (*reset_tuner) (struct rt2x00_dev *rt2x00dev,
553 struct link_qual *qual);
554 void (*link_tuner) (struct rt2x00_dev *rt2x00dev,
555 struct link_qual *qual, const u32 count);
556 void (*watchdog) (struct rt2x00_dev *rt2x00dev);
559 * TX control handlers
561 void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
563 struct txentry_desc *txdesc);
564 void (*write_tx_data) (struct queue_entry *entry,
565 struct txentry_desc *txdesc);
566 void (*write_beacon) (struct queue_entry *entry,
567 struct txentry_desc *txdesc);
568 int (*get_tx_data_len) (struct queue_entry *entry);
569 void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
570 const enum data_queue_qid queue);
571 void (*kill_tx_queue) (struct rt2x00_dev *rt2x00dev,
572 const enum data_queue_qid queue);
575 * RX control handlers
577 void (*fill_rxdone) (struct queue_entry *entry,
578 struct rxdone_entry_desc *rxdesc);
581 * Configuration handlers.
583 int (*config_shared_key) (struct rt2x00_dev *rt2x00dev,
584 struct rt2x00lib_crypto *crypto,
585 struct ieee80211_key_conf *key);
586 int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev,
587 struct rt2x00lib_crypto *crypto,
588 struct ieee80211_key_conf *key);
589 void (*config_filter) (struct rt2x00_dev *rt2x00dev,
590 const unsigned int filter_flags);
591 void (*config_intf) (struct rt2x00_dev *rt2x00dev,
592 struct rt2x00_intf *intf,
593 struct rt2x00intf_conf *conf,
594 const unsigned int flags);
595 #define CONFIG_UPDATE_TYPE ( 1 << 1 )
596 #define CONFIG_UPDATE_MAC ( 1 << 2 )
597 #define CONFIG_UPDATE_BSSID ( 1 << 3 )
599 void (*config_erp) (struct rt2x00_dev *rt2x00dev,
600 struct rt2x00lib_erp *erp);
601 void (*config_ant) (struct rt2x00_dev *rt2x00dev,
602 struct antenna_setup *ant);
603 void (*config) (struct rt2x00_dev *rt2x00dev,
604 struct rt2x00lib_conf *libconf,
605 const unsigned int changed_flags);
609 * rt2x00 driver callback operation structure.
613 const unsigned int max_sta_intf;
614 const unsigned int max_ap_intf;
615 const unsigned int eeprom_size;
616 const unsigned int rf_size;
617 const unsigned int tx_queues;
618 const unsigned int extra_tx_headroom;
619 const struct data_queue_desc *rx;
620 const struct data_queue_desc *tx;
621 const struct data_queue_desc *bcn;
622 const struct data_queue_desc *atim;
623 const struct rt2x00lib_ops *lib;
625 const struct ieee80211_ops *hw;
626 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
627 const struct rt2x00debug *debugfs;
628 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
632 * rt2x00 device flags
638 DEVICE_STATE_PRESENT,
639 DEVICE_STATE_REGISTERED_HW,
640 DEVICE_STATE_INITIALIZED,
641 DEVICE_STATE_STARTED,
642 DEVICE_STATE_ENABLED_RADIO,
643 DEVICE_STATE_SCANNING,
646 * Driver requirements
648 DRIVER_REQUIRE_FIRMWARE,
649 DRIVER_REQUIRE_BEACON_GUARD,
650 DRIVER_REQUIRE_ATIM_QUEUE,
652 DRIVER_REQUIRE_COPY_IV,
653 DRIVER_REQUIRE_L2PAD,
658 CONFIG_SUPPORT_HW_BUTTON,
659 CONFIG_SUPPORT_HW_CRYPTO,
660 DRIVER_SUPPORT_CONTROL_FILTERS,
661 DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL,
662 DRIVER_SUPPORT_PRE_TBTT_INTERRUPT,
663 DRIVER_SUPPORT_LINK_TUNING,
664 DRIVER_SUPPORT_WATCHDOG,
667 * Driver configuration
671 CONFIG_EXTERNAL_LNA_A,
672 CONFIG_EXTERNAL_LNA_BG,
673 CONFIG_DOUBLE_ANTENNA,
678 * rt2x00 device structure.
683 * The structure stored in here depends on the
684 * system bus (PCI or USB).
685 * When accessing this variable, the rt2x00dev_{pci,usb}
686 * macros should be used for correct typecasting.
691 * Callback functions.
693 const struct rt2x00_ops *ops;
696 * IEEE80211 control structure.
698 struct ieee80211_hw *hw;
699 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
700 enum ieee80211_band curr_band;
703 * If enabled, the debugfs interface structures
704 * required for deregistration of debugfs.
706 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
707 struct rt2x00debug_intf *debugfs_intf;
708 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
711 * LED structure for changing the LED status
712 * by mac8011 or the kernel.
714 #ifdef CONFIG_RT2X00_LIB_LEDS
715 struct rt2x00_led led_radio;
716 struct rt2x00_led led_assoc;
717 struct rt2x00_led led_qual;
719 #endif /* CONFIG_RT2X00_LIB_LEDS */
723 * In these flags the current status and some
724 * of the device capabilities are stored.
729 * Device information, Bus IRQ and name (PCI, SoC)
735 * Chipset identification.
737 struct rt2x00_chip chip;
740 * hw capability specifications.
742 struct hw_mode_spec spec;
745 * This is the default TX/RX antenna setup as indicated
746 * by the device's EEPROM.
748 struct antenna_setup default_ant;
752 * csr.base: CSR base register address. (PCI)
753 * csr.cache: CSR cache for usb_control_msg. (USB)
761 * Mutex to protect register accesses.
762 * For PCI and USB devices it protects against concurrent indirect
763 * register access (BBP, RF, MCU) since accessing those
764 * registers require multiple calls to the CSR registers.
765 * For USB devices it also protects the csr_cache since that
766 * field is used for normal CSR access and it cannot support
767 * multiple callers simultaneously.
769 struct mutex csr_mutex;
772 * Current packet filter configuration for the device.
773 * This contains all currently active FIF_* flags send
774 * to us by mac80211 during configure_filter().
776 unsigned int packet_filter;
780 * - Open ap interface count.
781 * - Open sta interface count.
782 * - Association count.
784 unsigned int intf_ap_count;
785 unsigned int intf_sta_count;
786 unsigned int intf_associated;
799 * Active RF register values.
800 * These are stored here so we don't need
801 * to read the rf registers and can directly
802 * use this value instead.
803 * This field should be accessed by using
804 * rt2x00_rf_read() and rt2x00_rf_write().
814 * Current TX power value.
819 * Current retry values.
825 * Rssi <-> Dbm offset
830 * Frequency offset (for rt61pci & rt73usb).
835 * Calibration information (for rt2800usb & rt2800pci).
847 * Low level statistics which will have
848 * to be kept up to date while device is running.
850 struct ieee80211_low_level_stats low_level_stats;
853 * RX configuration information.
855 struct ieee80211_rx_status rx_status;
859 * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
860 * which means it cannot be placed on the hw->workqueue
861 * due to RTNL locking requirements.
863 struct work_struct intf_work;
866 * Data queue arrays for RX, TX and Beacon.
867 * The Beacon array also contains the Atim queue
868 * if that is supported by the device.
870 unsigned int data_queues;
871 struct data_queue *rx;
872 struct data_queue *tx;
873 struct data_queue *bcn;
878 const struct firmware *fw;
881 * Interrupt values, stored between interrupt service routine
882 * and interrupt thread routine.
889 * Some registers require multiple attempts before success,
890 * in those cases REGISTER_BUSY_COUNT attempts should be
891 * taken with a REGISTER_BUSY_DELAY interval.
893 #define REGISTER_BUSY_COUNT 5
894 #define REGISTER_BUSY_DELAY 100
898 * The RF is being accessed by word index.
900 static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
901 const unsigned int word, u32 *data)
903 BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
904 *data = rt2x00dev->rf[word - 1];
907 static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev,
908 const unsigned int word, u32 data)
910 BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
911 rt2x00dev->rf[word - 1] = data;
915 * Generic EEPROM access.
916 * The EEPROM is being accessed by word index.
918 static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev,
919 const unsigned int word)
921 return (void *)&rt2x00dev->eeprom[word];
924 static inline void rt2x00_eeprom_read(struct rt2x00_dev *rt2x00dev,
925 const unsigned int word, u16 *data)
927 *data = le16_to_cpu(rt2x00dev->eeprom[word]);
930 static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev,
931 const unsigned int word, u16 data)
933 rt2x00dev->eeprom[word] = cpu_to_le16(data);
939 static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
940 const u16 rt, const u16 rf, const u16 rev)
942 rt2x00dev->chip.rt = rt;
943 rt2x00dev->chip.rf = rf;
944 rt2x00dev->chip.rev = rev;
947 "Chipset detected - rt: %04x, rf: %04x, rev: %04x.\n",
948 rt2x00dev->chip.rt, rt2x00dev->chip.rf, rt2x00dev->chip.rev);
951 static inline bool rt2x00_rt(struct rt2x00_dev *rt2x00dev, const u16 rt)
953 return (rt2x00dev->chip.rt == rt);
956 static inline bool rt2x00_rf(struct rt2x00_dev *rt2x00dev, const u16 rf)
958 return (rt2x00dev->chip.rf == rf);
961 static inline u16 rt2x00_rev(struct rt2x00_dev *rt2x00dev)
963 return rt2x00dev->chip.rev;
966 static inline bool rt2x00_rt_rev(struct rt2x00_dev *rt2x00dev,
967 const u16 rt, const u16 rev)
969 return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) == rev);
972 static inline bool rt2x00_rt_rev_lt(struct rt2x00_dev *rt2x00dev,
973 const u16 rt, const u16 rev)
975 return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) < rev);
978 static inline bool rt2x00_rt_rev_gte(struct rt2x00_dev *rt2x00dev,
979 const u16 rt, const u16 rev)
981 return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) >= rev);
984 static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev,
985 enum rt2x00_chip_intf intf)
987 rt2x00dev->chip.intf = intf;
990 static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev,
991 enum rt2x00_chip_intf intf)
993 return (rt2x00dev->chip.intf == intf);
996 static inline bool rt2x00_is_pci(struct rt2x00_dev *rt2x00dev)
998 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI) ||
999 rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
1002 static inline bool rt2x00_is_pcie(struct rt2x00_dev *rt2x00dev)
1004 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
1007 static inline bool rt2x00_is_usb(struct rt2x00_dev *rt2x00dev)
1009 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
1012 static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev)
1014 return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
1018 * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
1019 * @rt2x00dev: Pointer to &struct rt2x00_dev.
1020 * @skb: The skb to map.
1022 void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
1025 * rt2x00queue_unmap_skb - Unmap a skb from DMA.
1026 * @rt2x00dev: Pointer to &struct rt2x00_dev.
1027 * @skb: The skb to unmap.
1029 void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
1032 * rt2x00queue_get_queue - Convert queue index to queue pointer
1033 * @rt2x00dev: Pointer to &struct rt2x00_dev.
1034 * @queue: rt2x00 queue index (see &enum data_queue_qid).
1036 struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
1037 const enum data_queue_qid queue);
1040 * rt2x00queue_get_entry - Get queue entry where the given index points to.
1041 * @queue: Pointer to &struct data_queue from where we obtain the entry.
1042 * @index: Index identifier for obtaining the correct index.
1044 struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
1045 enum queue_index index);
1051 * rt2x00debug_dump_frame - Dump a frame to userspace through debugfs.
1052 * @rt2x00dev: Pointer to &struct rt2x00_dev.
1053 * @type: The type of frame that is being dumped.
1054 * @skb: The skb containing the frame to be dumped.
1056 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1057 void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
1058 enum rt2x00_dump_type type, struct sk_buff *skb);
1060 static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
1061 enum rt2x00_dump_type type,
1062 struct sk_buff *skb)
1065 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1068 * Interrupt context handlers.
1070 void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
1071 void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev);
1072 void rt2x00lib_txdone(struct queue_entry *entry,
1073 struct txdone_entry_desc *txdesc);
1074 void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
1075 struct queue_entry *entry);
1078 * mac80211 handlers.
1080 int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
1081 int rt2x00mac_start(struct ieee80211_hw *hw);
1082 void rt2x00mac_stop(struct ieee80211_hw *hw);
1083 int rt2x00mac_add_interface(struct ieee80211_hw *hw,
1084 struct ieee80211_vif *vif);
1085 void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
1086 struct ieee80211_vif *vif);
1087 int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed);
1088 void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
1089 unsigned int changed_flags,
1090 unsigned int *total_flags,
1092 int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
1094 #ifdef CONFIG_RT2X00_LIB_CRYPTO
1095 int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1096 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1097 struct ieee80211_key_conf *key);
1099 #define rt2x00mac_set_key NULL
1100 #endif /* CONFIG_RT2X00_LIB_CRYPTO */
1101 void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw);
1102 void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw);
1103 int rt2x00mac_get_stats(struct ieee80211_hw *hw,
1104 struct ieee80211_low_level_stats *stats);
1105 void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
1106 struct ieee80211_vif *vif,
1107 struct ieee80211_bss_conf *bss_conf,
1109 int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
1110 const struct ieee80211_tx_queue_params *params);
1111 void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw);
1114 * Driver allocation handlers.
1116 int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev);
1117 void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev);
1119 int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state);
1120 int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev);
1121 #endif /* CONFIG_PM */
1123 #endif /* RT2X00_H */