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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h1152
1 files changed, 819 insertions, 333 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index db2dc976d83..d13f25cd70d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -1,5 +1,7 @@
/*
- Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+ Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
+ Copyright (C) 2004 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
+ Copyright (C) 2004 - 2009 Gertjan van Wingerde <gwingerde@gmail.com>
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
@@ -13,9 +15,7 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the
- Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/*
@@ -27,16 +27,22 @@
#define RT2X00_H
#include <linux/bitops.h>
+#include <linux/interrupt.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/firmware.h>
#include <linux/leds.h>
#include <linux/mutex.h>
#include <linux/etherdevice.h>
+#include <linux/input-polldev.h>
+#include <linux/kfifo.h>
+#include <linux/hrtimer.h>
+#include <linux/average.h>
#include <net/mac80211.h>
#include "rt2x00debug.h"
+#include "rt2x00dump.h"
#include "rt2x00leds.h"
#include "rt2x00reg.h"
#include "rt2x00queue.h"
@@ -44,52 +50,70 @@
/*
* Module information.
*/
-#define DRV_VERSION "2.1.8"
+#define DRV_VERSION "2.3.0"
#define DRV_PROJECT "http://rt2x00.serialmonkey.com"
-/*
- * Debug definitions.
+/* Debug definitions.
* Debug output has to be enabled during compile time.
*/
-#define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \
- printk(__kernlvl "%s -> %s: %s - " __msg, \
- wiphy_name((__dev)->hw->wiphy), __FUNCTION__, __lvl, ##__args)
-
-#define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \
- printk(__kernlvl "%s -> %s: %s - " __msg, \
- KBUILD_MODNAME, __FUNCTION__, __lvl, ##__args)
-
#ifdef CONFIG_RT2X00_DEBUG
-#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
- DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, ##__args);
-#else
-#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
- do { } while (0)
+#define DEBUG
#endif /* CONFIG_RT2X00_DEBUG */
+/* Utility printing macros
+ * rt2x00_probe_err is for messages when rt2x00_dev is uninitialized
+ */
+#define rt2x00_probe_err(fmt, ...) \
+ printk(KERN_ERR KBUILD_MODNAME ": %s: Error - " fmt, \
+ __func__, ##__VA_ARGS__)
+#define rt2x00_err(dev, fmt, ...) \
+ wiphy_err((dev)->hw->wiphy, "%s: Error - " fmt, \
+ __func__, ##__VA_ARGS__)
+#define rt2x00_warn(dev, fmt, ...) \
+ wiphy_warn((dev)->hw->wiphy, "%s: Warning - " fmt, \
+ __func__, ##__VA_ARGS__)
+#define rt2x00_info(dev, fmt, ...) \
+ wiphy_info((dev)->hw->wiphy, "%s: Info - " fmt, \
+ __func__, ##__VA_ARGS__)
+
+/* Various debug levels */
+#define rt2x00_dbg(dev, fmt, ...) \
+ wiphy_dbg((dev)->hw->wiphy, "%s: Debug - " fmt, \
+ __func__, ##__VA_ARGS__)
+#define rt2x00_eeprom_dbg(dev, fmt, ...) \
+ wiphy_dbg((dev)->hw->wiphy, "%s: EEPROM recovery - " fmt, \
+ __func__, ##__VA_ARGS__)
+
/*
- * Various debug levels.
- * The debug levels PANIC and ERROR both indicate serious problems,
- * for this reason they should never be ignored.
- * The special ERROR_PROBE message is for messages that are generated
- * when the rt2x00_dev is not yet initialized.
- */
-#define PANIC(__dev, __msg, __args...) \
- DEBUG_PRINTK_MSG(__dev, KERN_CRIT, "Panic", __msg, ##__args)
-#define ERROR(__dev, __msg, __args...) \
- DEBUG_PRINTK_MSG(__dev, KERN_ERR, "Error", __msg, ##__args)
-#define ERROR_PROBE(__msg, __args...) \
- DEBUG_PRINTK_PROBE(KERN_ERR, "Error", __msg, ##__args)
-#define WARNING(__dev, __msg, __args...) \
- DEBUG_PRINTK(__dev, KERN_WARNING, "Warning", __msg, ##__args)
-#define NOTICE(__dev, __msg, __args...) \
- DEBUG_PRINTK(__dev, KERN_NOTICE, "Notice", __msg, ##__args)
-#define INFO(__dev, __msg, __args...) \
- DEBUG_PRINTK(__dev, KERN_INFO, "Info", __msg, ##__args)
-#define DEBUG(__dev, __msg, __args...) \
- DEBUG_PRINTK(__dev, KERN_DEBUG, "Debug", __msg, ##__args)
-#define EEPROM(__dev, __msg, __args...) \
- DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)
+ * Duration calculations
+ * The rate variable passed is: 100kbs.
+ * To convert from bytes to bits we multiply size with 8,
+ * then the size is multiplied with 10 to make the
+ * real rate -> rate argument correction.
+ */
+#define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate))
+#define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))
+
+/*
+ * Determine the number of L2 padding bytes required between the header and
+ * the payload.
+ */
+#define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3)
+
+/*
+ * Determine the alignment requirement,
+ * to make sure the 802.11 payload is padded to a 4-byte boundrary
+ * we must determine the address of the payload and calculate the
+ * amount of bytes needed to move the data.
+ */
+#define ALIGN_SIZE(__skb, __header) \
+ ( ((unsigned long)((__skb)->data + (__header))) & 3 )
+
+/*
+ * Constants for extra TX headroom for alignment purposes.
+ */
+#define RT2X00_ALIGN_SIZE 4 /* Only whole frame needs alignment */
+#define RT2X00_L2PAD_SIZE 8 /* Both header & payload need alignment */
/*
* Standard timing and size defines.
@@ -109,9 +133,16 @@
#define DIFS ( PIFS + SLOT_TIME )
#define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
#define EIFS ( SIFS + DIFS + \
- (8 * (IEEE80211_HEADER + ACK_SIZE)) )
+ GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
#define SHORT_EIFS ( SIFS + SHORT_DIFS + \
- (8 * (IEEE80211_HEADER + ACK_SIZE)) )
+ GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
+
+enum rt2x00_chip_intf {
+ RT2X00_CHIP_INTF_PCI,
+ RT2X00_CHIP_INTF_PCIE,
+ RT2X00_CHIP_INTF_USB,
+ RT2X00_CHIP_INTF_SOC,
+};
/*
* Chipset identification
@@ -120,16 +151,31 @@
*/
struct rt2x00_chip {
u16 rt;
-#define RT2460 0x0101
-#define RT2560 0x0201
-#define RT2570 0x1201
-#define RT2561s 0x0301 /* Turbo */
-#define RT2561 0x0302
-#define RT2661 0x0401
-#define RT2571 0x1300
+#define RT2460 0x2460
+#define RT2560 0x2560
+#define RT2570 0x2570
+#define RT2661 0x2661
+#define RT2573 0x2573
+#define RT2860 0x2860 /* 2.4GHz */
+#define RT2872 0x2872 /* WSOC */
+#define RT2883 0x2883 /* WSOC */
+#define RT3070 0x3070
+#define RT3071 0x3071
+#define RT3090 0x3090 /* 2.4GHz PCIe */
+#define RT3290 0x3290
+#define RT3352 0x3352 /* WSOC */
+#define RT3390 0x3390
+#define RT3572 0x3572
+#define RT3593 0x3593
+#define RT3883 0x3883 /* WSOC */
+#define RT5390 0x5390 /* 2.4GHz */
+#define RT5392 0x5392 /* 2.4GHz */
+#define RT5592 0x5592
u16 rf;
- u32 rev;
+ u16 rev;
+
+ enum rt2x00_chip_intf intf;
};
/*
@@ -144,11 +190,26 @@ struct rf_channel {
};
/*
+ * Channel information structure
+ */
+struct channel_info {
+ unsigned int flags;
+#define GEOGRAPHY_ALLOWED 0x00000001
+
+ short max_power;
+ short default_power1;
+ short default_power2;
+ short default_power3;
+};
+
+/*
* Antenna setup values.
*/
struct antenna_setup {
enum antenna rx;
enum antenna tx;
+ u8 rx_chain_num;
+ u8 tx_chain_num;
};
/*
@@ -156,52 +217,41 @@ struct antenna_setup {
*/
struct link_qual {
/*
- * Statistics required for Link tuning.
- * For the average RSSI value we use the "Walking average" approach.
- * When adding RSSI to the average value the following calculation
- * is needed:
- *
- * avg_rssi = ((avg_rssi * 7) + rssi) / 8;
- *
- * The advantage of this approach is that we only need 1 variable
- * to store the average in (No need for a count and a total).
- * But more importantly, normal average values will over time
- * move less and less towards newly added values this results
- * that with link tuning, the device can have a very good RSSI
- * for a few minutes but when the device is moved away from the AP
- * the average will not decrease fast enough to compensate.
- * The walking average compensates this and will move towards
- * the new values correctly allowing a effective link tuning.
- */
- int avg_rssi;
+ * Statistics required for Link tuning by driver
+ * The rssi value is provided by rt2x00lib during the
+ * link_tuner() callback function.
+ * The false_cca field is filled during the link_stats()
+ * callback function and could be used during the
+ * link_tuner() callback function.
+ */
+ int rssi;
int false_cca;
/*
- * Statistics required for Signal quality calculation.
- * For calculating the Signal quality we have to determine
- * the total number of success and failed RX and TX frames.
- * After that we also use the average RSSI value to help
- * determining the signal quality.
- * For the calculation we will use the following algorithm:
- *
- * rssi_percentage = (avg_rssi * 100) / rssi_offset
- * rx_percentage = (rx_success * 100) / rx_total
- * tx_percentage = (tx_success * 100) / tx_total
- * avg_signal = ((WEIGHT_RSSI * avg_rssi) +
- * (WEIGHT_TX * tx_percentage) +
- * (WEIGHT_RX * rx_percentage)) / 100
+ * VGC levels
+ * Hardware driver will tune the VGC level during each call
+ * to the link_tuner() callback function. This vgc_level is
+ * is determined based on the link quality statistics like
+ * average RSSI and the false CCA count.
*
- * This value should then be checked to not be greated then 100.
+ * In some cases the drivers need to differentiate between
+ * the currently "desired" VGC level and the level configured
+ * in the hardware. The latter is important to reduce the
+ * number of BBP register reads to reduce register access
+ * overhead. For this reason we store both values here.
+ */
+ u8 vgc_level;
+ u8 vgc_level_reg;
+
+ /*
+ * Statistics required for Signal quality calculation.
+ * These fields might be changed during the link_stats()
+ * callback function.
*/
- int rx_percentage;
int rx_success;
int rx_failed;
- int tx_percentage;
int tx_success;
int tx_failed;
-#define WEIGHT_RSSI 20
-#define WEIGHT_RX 40
-#define WEIGHT_TX 40
};
/*
@@ -224,21 +274,18 @@ struct link_ant {
struct antenna_setup active;
/*
- * RSSI information for the different antenna's.
- * These statistics are used to determine when
- * to switch antenna when using software diversity.
- *
- * rssi[0] -> Antenna A RSSI
- * rssi[1] -> Antenna B RSSI
+ * RSSI history information for the antenna.
+ * Used to determine when to switch antenna
+ * when using software diversity.
*/
- int rssi_history[2];
+ int rssi_history;
/*
* Current RSSI average of the currently active antenna.
* Similar to the avg_rssi in the link_qual structure
* this value is updated by using the walking average.
*/
- int rssi_ant;
+ struct ewma rssi_ant;
};
/*
@@ -265,64 +312,39 @@ struct link {
struct link_ant ant;
/*
- * Active VGC level
+ * Currently active average RSSI value
*/
- int vgc_level;
+ struct ewma avg_rssi;
/*
* Work structure for scheduling periodic link tuning.
*/
struct delayed_work work;
-};
-/*
- * Small helper macro to work with moving/walking averages.
- */
-#define MOVING_AVERAGE(__avg, __val, __samples) \
- ( (((__avg) * ((__samples) - 1)) + (__val)) / (__samples) )
-
-/*
- * When we lack RSSI information return something less then -80 to
- * tell the driver to tune the device to maximum sensitivity.
- */
-#define DEFAULT_RSSI ( -128 )
-
-/*
- * Link quality access functions.
- */
-static inline int rt2x00_get_link_rssi(struct link *link)
-{
- if (link->qual.avg_rssi && link->qual.rx_success)
- return link->qual.avg_rssi;
- return DEFAULT_RSSI;
-}
-
-static inline int rt2x00_get_link_ant_rssi(struct link *link)
-{
- if (link->ant.rssi_ant && link->qual.rx_success)
- return link->ant.rssi_ant;
- return DEFAULT_RSSI;
-}
+ /*
+ * Work structure for scheduling periodic watchdog monitoring.
+ * This work must be scheduled on the kernel workqueue, while
+ * all other work structures must be queued on the mac80211
+ * workqueue. This guarantees that the watchdog can schedule
+ * other work structures and wait for their completion in order
+ * to bring the device/driver back into the desired state.
+ */
+ struct delayed_work watchdog_work;
-static inline void rt2x00_reset_link_ant_rssi(struct link *link)
-{
- link->ant.rssi_ant = 0;
-}
+ /*
+ * Work structure for scheduling periodic AGC adjustments.
+ */
+ struct delayed_work agc_work;
-static inline int rt2x00_get_link_ant_rssi_history(struct link *link,
- enum antenna ant)
-{
- if (link->ant.rssi_history[ant - ANTENNA_A])
- return link->ant.rssi_history[ant - ANTENNA_A];
- return DEFAULT_RSSI;
-}
+ /*
+ * Work structure for scheduling periodic VCO calibration.
+ */
+ struct delayed_work vco_work;
+};
-static inline int rt2x00_update_ant_rssi(struct link *link, int rssi)
-{
- int old_rssi = link->ant.rssi_history[link->ant.active.rx - ANTENNA_A];
- link->ant.rssi_history[link->ant.active.rx - ANTENNA_A] = rssi;
- return old_rssi;
-}
+enum rt2x00_delayed_flags {
+ DELAYED_UPDATE_BEACON,
+};
/*
* Interface structure
@@ -331,27 +353,9 @@ static inline int rt2x00_update_ant_rssi(struct link *link, int rssi)
*/
struct rt2x00_intf {
/*
- * All fields within the rt2x00_intf structure
- * must be protected with a spinlock.
- */
- spinlock_t lock;
-
- /*
- * BSS configuration. Copied from the structure
- * passed to us through the bss_info_changed()
- * callback funtion.
- */
- struct ieee80211_bss_conf conf;
-
- /*
- * MAC of the device.
+ * beacon->skb must be protected with the mutex.
*/
- u8 mac[ETH_ALEN];
-
- /*
- * BBSID of the AP to associate with.
- */
- u8 bssid[ETH_ALEN];
+ struct mutex beacon_skb_mutex;
/*
* Entry in the beacon queue which belongs to
@@ -359,16 +363,19 @@ struct rt2x00_intf {
* dedicated beacon entry.
*/
struct queue_entry *beacon;
+ bool enable_beacon;
/*
* Actions that needed rescheduling.
*/
- unsigned int delayed_flags;
-#define DELAYED_UPDATE_BEACON 0x00000001
-#define DELAYED_CONFIG_ERP 0x00000002
-#define DELAYED_LED_ASSOC 0x00000004
+ unsigned long delayed_flags;
- u16 seqno;
+ /*
+ * Software sequence counter, this is only required
+ * for hardware which doesn't support hardware
+ * sequence counting.
+ */
+ atomic_t seqno;
};
static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
@@ -388,10 +395,8 @@ static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
* @num_channels: Number of supported channels. This is used as array size
* for @tx_power_a, @tx_power_bg and @channels.
* @channels: Device/chipset specific channel values (See &struct rf_channel).
- * @tx_power_a: TX power values for all 5.2GHz channels (may be NULL).
- * @tx_power_bg: TX power values for all 2.4GHz channels (may be NULL).
- * @tx_power_default: Default TX power value to use when either
- * @tx_power_a or @tx_power_bg is missing.
+ * @channels_info: Additional information for channels (See &struct channel_info).
+ * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
*/
struct hw_mode_spec {
unsigned int supported_bands;
@@ -404,10 +409,9 @@ struct hw_mode_spec {
unsigned int num_channels;
const struct rf_channel *channels;
+ const struct channel_info *channels_info;
- const u8 *tx_power_a;
- const u8 *tx_power_bg;
- u8 tx_power_default;
+ struct ieee80211_sta_ht_cap ht;
};
/*
@@ -419,30 +423,47 @@ struct hw_mode_spec {
*/
struct rt2x00lib_conf {
struct ieee80211_conf *conf;
- struct rf_channel rf;
- struct antenna_setup ant;
+ struct rf_channel rf;
+ struct channel_info channel;
+};
- enum ieee80211_band band;
+/*
+ * Configuration structure for erp settings.
+ */
+struct rt2x00lib_erp {
+ int short_preamble;
+ int cts_protection;
u32 basic_rates;
- u32 slot_time;
+
+ int slot_time;
short sifs;
short pifs;
short difs;
short eifs;
+
+ u16 beacon_int;
+ u16 ht_opmode;
};
/*
- * Configuration structure for erp settings.
+ * Configuration structure for hardware encryption.
*/
-struct rt2x00lib_erp {
- int short_preamble;
- int cts_protection;
+struct rt2x00lib_crypto {
+ enum cipher cipher;
- int ack_timeout;
- int ack_consume_time;
+ enum set_key_cmd cmd;
+ const u8 *address;
+
+ u32 bssidx;
+
+ u8 key[16];
+ u8 tx_mic[8];
+ u8 rx_mic[8];
+
+ int wcid;
};
/*
@@ -453,16 +474,16 @@ struct rt2x00intf_conf {
/*
* Interface type
*/
- enum ieee80211_if_types type;
+ enum nl80211_iftype type;
/*
- * TSF sync value, this is dependant on the operation type.
+ * TSF sync value, this is dependent on the operation type.
*/
enum tsf_sync sync;
/*
- * The MAC and BSSID addressess are simple array of bytes,
- * these arrays are little endian, so when sending the addressess
+ * The MAC and BSSID addresses are simple array of bytes,
+ * these arrays are little endian, so when sending the addresses
* to the drivers, copy the it into a endian-signed variable.
*
* Note that all devices (except rt2500usb) have 32 bits
@@ -477,6 +498,19 @@ struct rt2x00intf_conf {
};
/*
+ * Private structure for storing STA details
+ * wcid: Wireless Client ID
+ */
+struct rt2x00_sta {
+ int wcid;
+};
+
+static inline struct rt2x00_sta* sta_to_rt2x00_sta(struct ieee80211_sta *sta)
+{
+ return (struct rt2x00_sta *)sta->drv_priv;
+}
+
+/*
* rt2x00lib callback functions.
*/
struct rt2x00lib_ops {
@@ -486,13 +520,23 @@ struct rt2x00lib_ops {
irq_handler_t irq_handler;
/*
+ * TX status tasklet handler.
+ */
+ void (*txstatus_tasklet) (unsigned long data);
+ void (*pretbtt_tasklet) (unsigned long data);
+ void (*tbtt_tasklet) (unsigned long data);
+ void (*rxdone_tasklet) (unsigned long data);
+ void (*autowake_tasklet) (unsigned long data);
+
+ /*
* Device init handlers.
*/
int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
- u16 (*get_firmware_crc) (const void *data, const size_t len);
- int (*load_firmware) (struct rt2x00_dev *rt2x00dev, const void *data,
- const size_t len);
+ int (*check_firmware) (struct rt2x00_dev *rt2x00dev,
+ const u8 *data, const size_t len);
+ int (*load_firmware) (struct rt2x00_dev *rt2x00dev,
+ const u8 *data, const size_t len);
/*
* Device initialization/deinitialization handlers.
@@ -503,10 +547,8 @@ struct rt2x00lib_ops {
/*
* queue initialization handlers
*/
- void (*init_rxentry) (struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry);
- void (*init_txentry) (struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry);
+ bool (*get_entry_state) (struct queue_entry *entry);
+ void (*clear_entry) (struct queue_entry *entry);
/*
* Radio control handlers.
@@ -516,21 +558,34 @@ struct rt2x00lib_ops {
int (*rfkill_poll) (struct rt2x00_dev *rt2x00dev);
void (*link_stats) (struct rt2x00_dev *rt2x00dev,
struct link_qual *qual);
- void (*reset_tuner) (struct rt2x00_dev *rt2x00dev);
- void (*link_tuner) (struct rt2x00_dev *rt2x00dev);
+ void (*reset_tuner) (struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual);
+ void (*link_tuner) (struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual, const u32 count);
+ void (*gain_calibration) (struct rt2x00_dev *rt2x00dev);
+ void (*vco_calibration) (struct rt2x00_dev *rt2x00dev);
+
+ /*
+ * Data queue handlers.
+ */
+ void (*watchdog) (struct rt2x00_dev *rt2x00dev);
+ void (*start_queue) (struct data_queue *queue);
+ void (*kick_queue) (struct data_queue *queue);
+ void (*stop_queue) (struct data_queue *queue);
+ void (*flush_queue) (struct data_queue *queue, bool drop);
+ void (*tx_dma_done) (struct queue_entry *entry);
/*
* TX control handlers
*/
- void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
- struct sk_buff *skb,
+ void (*write_tx_desc) (struct queue_entry *entry,
+ struct txentry_desc *txdesc);
+ void (*write_tx_data) (struct queue_entry *entry,
struct txentry_desc *txdesc);
- int (*write_tx_data) (struct queue_entry *entry);
- void (*write_beacon) (struct queue_entry *entry);
- int (*get_tx_data_len) (struct rt2x00_dev *rt2x00dev,
- struct sk_buff *skb);
- void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev,
- const enum data_queue_qid queue);
+ void (*write_beacon) (struct queue_entry *entry,
+ struct txentry_desc *txdesc);
+ void (*clear_beacon) (struct queue_entry *entry);
+ int (*get_tx_data_len) (struct queue_entry *entry);
/*
* RX control handlers
@@ -541,6 +596,12 @@ struct rt2x00lib_ops {
/*
* Configuration handlers.
*/
+ int (*config_shared_key) (struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_crypto *crypto,
+ struct ieee80211_key_conf *key);
+ int (*config_pairwise_key) (struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_crypto *crypto,
+ struct ieee80211_key_conf *key);
void (*config_filter) (struct rt2x00_dev *rt2x00dev,
const unsigned int filter_flags);
void (*config_intf) (struct rt2x00_dev *rt2x00dev,
@@ -552,17 +613,18 @@ struct rt2x00lib_ops {
#define CONFIG_UPDATE_BSSID ( 1 << 3 )
void (*config_erp) (struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_erp *erp);
+ struct rt2x00lib_erp *erp,
+ u32 changed);
+ void (*config_ant) (struct rt2x00_dev *rt2x00dev,
+ struct antenna_setup *ant);
void (*config) (struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_conf *libconf,
- const unsigned int flags);
-#define CONFIG_UPDATE_PHYMODE ( 1 << 1 )
-#define CONFIG_UPDATE_CHANNEL ( 1 << 2 )
-#define CONFIG_UPDATE_TXPOWER ( 1 << 3 )
-#define CONFIG_UPDATE_ANTENNA ( 1 << 4 )
-#define CONFIG_UPDATE_SLOT_TIME ( 1 << 5 )
-#define CONFIG_UPDATE_BEACON_INT ( 1 << 6 )
-#define CONFIG_UPDATE_ALL 0xffff
+ const unsigned int changed_flags);
+ int (*sta_add) (struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+ int (*sta_remove) (struct rt2x00_dev *rt2x00dev,
+ int wcid);
};
/*
@@ -570,16 +632,14 @@ struct rt2x00lib_ops {
*/
struct rt2x00_ops {
const char *name;
- const unsigned int max_sta_intf;
+ const unsigned int drv_data_size;
const unsigned int max_ap_intf;
const unsigned int eeprom_size;
const unsigned int rf_size;
const unsigned int tx_queues;
- const struct data_queue_desc *rx;
- const struct data_queue_desc *tx;
- const struct data_queue_desc *bcn;
- const struct data_queue_desc *atim;
+ void (*queue_init)(struct data_queue *queue);
const struct rt2x00lib_ops *lib;
+ const void *drv;
const struct ieee80211_ops *hw;
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
const struct rt2x00debug *debugfs;
@@ -587,40 +647,79 @@ struct rt2x00_ops {
};
/*
- * rt2x00 device flags
+ * rt2x00 state flags
*/
-enum rt2x00_flags {
+enum rt2x00_state_flags {
/*
- * Device state flags
+ * Device flags
*/
- DEVICE_PRESENT,
- DEVICE_REGISTERED_HW,
- DEVICE_INITIALIZED,
- DEVICE_STARTED,
- DEVICE_STARTED_SUSPEND,
- DEVICE_ENABLED_RADIO,
- DEVICE_DISABLED_RADIO_HW,
- DEVICE_DIRTY_CONFIG,
+ DEVICE_STATE_PRESENT,
+ DEVICE_STATE_REGISTERED_HW,
+ DEVICE_STATE_INITIALIZED,
+ DEVICE_STATE_STARTED,
+ DEVICE_STATE_ENABLED_RADIO,
+ DEVICE_STATE_SCANNING,
/*
- * Driver features
+ * Driver configuration
*/
- DRIVER_REQUIRE_FIRMWARE,
- DRIVER_REQUIRE_BEACON_GUARD,
- DRIVER_REQUIRE_ATIM_QUEUE,
- DRIVER_REQUIRE_SCHEDULED,
- DRIVER_REQUIRE_DMA,
+ CONFIG_CHANNEL_HT40,
+ CONFIG_POWERSAVING,
+ CONFIG_HT_DISABLED,
+ CONFIG_QOS_DISABLED,
/*
- * Driver configuration
+ * Mark we currently are sequentially reading TX_STA_FIFO register
+ * FIXME: this is for only rt2800usb, should go to private data
+ */
+ TX_STATUS_READING,
+};
+
+/*
+ * rt2x00 capability flags
+ */
+enum rt2x00_capability_flags {
+ /*
+ * Requirements
*/
- CONFIG_SUPPORT_HW_BUTTON,
- CONFIG_FRAME_TYPE,
- CONFIG_RF_SEQUENCE,
- CONFIG_EXTERNAL_LNA_A,
- CONFIG_EXTERNAL_LNA_BG,
- CONFIG_DOUBLE_ANTENNA,
- CONFIG_DISABLE_LINK_TUNING,
+ REQUIRE_FIRMWARE,
+ REQUIRE_BEACON_GUARD,
+ REQUIRE_ATIM_QUEUE,
+ REQUIRE_DMA,
+ REQUIRE_COPY_IV,
+ REQUIRE_L2PAD,
+ REQUIRE_TXSTATUS_FIFO,
+ REQUIRE_TASKLET_CONTEXT,
+ REQUIRE_SW_SEQNO,
+ REQUIRE_HT_TX_DESC,
+ REQUIRE_PS_AUTOWAKE,
+ REQUIRE_DELAYED_RFKILL,
+
+ /*
+ * Capabilities
+ */
+ CAPABILITY_HW_BUTTON,
+ CAPABILITY_HW_CRYPTO,
+ CAPABILITY_POWER_LIMIT,
+ CAPABILITY_CONTROL_FILTERS,
+ CAPABILITY_CONTROL_FILTER_PSPOLL,
+ CAPABILITY_PRE_TBTT_INTERRUPT,
+ CAPABILITY_LINK_TUNING,
+ CAPABILITY_FRAME_TYPE,
+ CAPABILITY_RF_SEQUENCE,
+ CAPABILITY_EXTERNAL_LNA_A,
+ CAPABILITY_EXTERNAL_LNA_BG,
+ CAPABILITY_DOUBLE_ANTENNA,
+ CAPABILITY_BT_COEXIST,
+ CAPABILITY_VCO_RECALIBRATION,
+};
+
+/*
+ * Interface combinations
+ */
+enum {
+ IF_COMB_AP = 0,
+ NUM_IF_COMB,
};
/*
@@ -632,7 +731,7 @@ struct rt2x00_dev {
* The structure stored in here depends on the
* system bus (PCI or USB).
* When accessing this variable, the rt2x00dev_{pci,usb}
- * macro's should be used for correct typecasting.
+ * macros should be used for correct typecasting.
*/
struct device *dev;
@@ -642,23 +741,17 @@ struct rt2x00_dev {
const struct rt2x00_ops *ops;
/*
+ * Driver data.
+ */
+ void *drv_data;
+
+ /*
* IEEE80211 control structure.
*/
struct ieee80211_hw *hw;
struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
enum ieee80211_band curr_band;
-
- /*
- * rfkill structure for RF state switching support.
- * This will only be compiled in when required.
- */
-#ifdef CONFIG_RT2X00_LIB_RFKILL
- unsigned long rfkill_state;
-#define RFKILL_STATE_ALLOCATED 1
-#define RFKILL_STATE_REGISTERED 2
- struct rfkill *rfkill;
- struct delayed_work rfkill_work;
-#endif /* CONFIG_RT2X00_LIB_RFKILL */
+ int curr_freq;
/*
* If enabled, the debugfs interface structures
@@ -680,13 +773,26 @@ struct rt2x00_dev {
#endif /* CONFIG_RT2X00_LIB_LEDS */
/*
- * Device flags.
- * In these flags the current status and some
- * of the device capabilities are stored.
+ * Device state flags.
+ * In these flags the current status is stored.
+ * Access to these flags should occur atomically.
*/
unsigned long flags;
/*
+ * Device capabiltiy flags.
+ * In these flags the device/driver capabilities are stored.
+ * Access to these flags should occur non-atomically.
+ */
+ unsigned long cap_flags;
+
+ /*
+ * Device information, Bus IRQ and name (PCI, SoC)
+ */
+ int irq;
+ const char *name;
+
+ /*
* Chipset identification.
*/
struct rt2x00_chip chip;
@@ -698,8 +804,7 @@ struct rt2x00_dev {
/*
* This is the default TX/RX antenna setup as indicated
- * by the device's EEPROM. When mac80211 sets its
- * antenna value to 0 we should be using these values.
+ * by the device's EEPROM.
*/
struct antenna_setup default_ant;
@@ -714,16 +819,15 @@ struct rt2x00_dev {
} csr;
/*
- * Mutex to protect register accesses on USB devices.
- * There are 2 reasons this is needed, one is to ensure
- * use of the csr_cache (for USB devices) by one thread
- * isn't corrupted by another thread trying to access it.
- * The other is that access to BBP and RF registers
- * require multiple BUS transactions and if another thread
- * attempted to access one of those registers at the same
- * time one of the writes could silently fail.
+ * Mutex to protect register accesses.
+ * For PCI and USB devices it protects against concurrent indirect
+ * register access (BBP, RF, MCU) since accessing those
+ * registers require multiple calls to the CSR registers.
+ * For USB devices it also protects the csr_cache since that
+ * field is used for normal CSR access and it cannot support
+ * multiple callers simultaneously.
*/
- struct mutex usb_cache_mutex;
+ struct mutex csr_mutex;
/*
* Current packet filter configuration for the device.
@@ -737,10 +841,18 @@ struct rt2x00_dev {
* - Open ap interface count.
* - Open sta interface count.
* - Association count.
+ * - Beaconing enabled count.
*/
unsigned int intf_ap_count;
unsigned int intf_sta_count;
unsigned int intf_associated;
+ unsigned int intf_beaconing;
+
+ /*
+ * Interface combinations
+ */
+ struct ieee80211_iface_limit if_limits_ap;
+ struct ieee80211_iface_combination if_combinations[NUM_IF_COMB];
/*
* Link quality
@@ -763,9 +875,9 @@ struct rt2x00_dev {
u32 *rf;
/*
- * USB Max frame size (for rt2500usb & rt73usb).
+ * LNA gain
*/
- u16 usb_maxpacket;
+ short lna_gain;
/*
* Current TX power value.
@@ -773,25 +885,48 @@ struct rt2x00_dev {
u16 tx_power;
/*
+ * Current retry values.
+ */
+ u8 short_retry;
+ u8 long_retry;
+
+ /*
* Rssi <-> Dbm offset
*/
u8 rssi_offset;
/*
- * Frequency offset (for rt61pci & rt73usb).
+ * Frequency offset.
*/
u8 freq_offset;
/*
+ * Association id.
+ */
+ u16 aid;
+
+ /*
+ * Beacon interval.
+ */
+ u16 beacon_int;
+
+ /**
+ * Timestamp of last received beacon
+ */
+ unsigned long last_beacon;
+
+ /*
* Low level statistics which will have
* to be kept up to date while device is running.
*/
struct ieee80211_low_level_stats low_level_stats;
- /*
- * RX configuration information.
+ /**
+ * Work queue for all work which should not be placed
+ * on the mac80211 workqueue (because of dependencies
+ * between various work structures).
*/
- struct ieee80211_rx_status rx_status;
+ struct workqueue_struct *workqueue;
/*
* Scheduled work.
@@ -800,43 +935,115 @@ struct rt2x00_dev {
* due to RTNL locking requirements.
*/
struct work_struct intf_work;
- struct work_struct filter_work;
+
+ /**
+ * Scheduled work for TX/RX done handling (USB devices)
+ */
+ struct work_struct rxdone_work;
+ struct work_struct txdone_work;
/*
- * Data queue arrays for RX, TX and Beacon.
- * The Beacon array also contains the Atim queue
- * if that is supported by the device.
+ * Powersaving work
+ */
+ struct delayed_work autowakeup_work;
+ struct work_struct sleep_work;
+
+ /*
+ * Data queue arrays for RX, TX, Beacon and ATIM.
*/
unsigned int data_queues;
struct data_queue *rx;
struct data_queue *tx;
struct data_queue *bcn;
+ struct data_queue *atim;
/*
* Firmware image.
*/
const struct firmware *fw;
+
+ /*
+ * FIFO for storing tx status reports between isr and tasklet.
+ */
+ DECLARE_KFIFO_PTR(txstatus_fifo, u32);
+
+ /*
+ * Timer to ensure tx status reports are read (rt2800usb).
+ */
+ struct hrtimer txstatus_timer;
+
+ /*
+ * Tasklet for processing tx status reports (rt2800pci).
+ */
+ struct tasklet_struct txstatus_tasklet;
+ struct tasklet_struct pretbtt_tasklet;
+ struct tasklet_struct tbtt_tasklet;
+ struct tasklet_struct rxdone_tasklet;
+ struct tasklet_struct autowake_tasklet;
+
+ /*
+ * Used for VCO periodic calibration.
+ */
+ int rf_channel;
+
+ /*
+ * Protect the interrupt mask register.
+ */
+ spinlock_t irqmask_lock;
+
+ /*
+ * List of BlockAckReq TX entries that need driver BlockAck processing.
+ */
+ struct list_head bar_list;
+ spinlock_t bar_list_lock;
+
+ /* Extra TX headroom required for alignment purposes. */
+ unsigned int extra_tx_headroom;
+};
+
+struct rt2x00_bar_list_entry {
+ struct list_head list;
+ struct rcu_head head;
+
+ struct queue_entry *entry;
+ int block_acked;
+
+ /* Relevant parts of the IEEE80211 BAR header */
+ __u8 ra[6];
+ __u8 ta[6];
+ __le16 control;
+ __le16 start_seq_num;
};
/*
+ * Register defines.
+ * Some registers require multiple attempts before success,
+ * in those cases REGISTER_BUSY_COUNT attempts should be
+ * taken with a REGISTER_BUSY_DELAY interval.
+ */
+#define REGISTER_BUSY_COUNT 100
+#define REGISTER_BUSY_DELAY 100
+
+/*
* Generic RF access.
* The RF is being accessed by word index.
*/
static inline void rt2x00_rf_read(struct rt2x00_dev *rt2x00dev,
const unsigned int word, u32 *data)
{
- *data = rt2x00dev->rf[word];
+ BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
+ *data = rt2x00dev->rf[word - 1];
}
static inline void rt2x00_rf_write(struct rt2x00_dev *rt2x00dev,
const unsigned int word, u32 data)
{
- rt2x00dev->rf[word] = data;
+ BUG_ON(word < 1 || word > rt2x00dev->ops->rf_size / sizeof(u32));
+ rt2x00dev->rf[word - 1] = data;
}
/*
- * Generic EEPROM access.
- * The EEPROM is being accessed by word index.
+ * Generic EEPROM access. The EEPROM is being accessed by word or byte index.
*/
static inline void *rt2x00_eeprom_addr(struct rt2x00_dev *rt2x00dev,
const unsigned int word)
@@ -856,74 +1063,231 @@ static inline void rt2x00_eeprom_write(struct rt2x00_dev *rt2x00dev,
rt2x00dev->eeprom[word] = cpu_to_le16(data);
}
+static inline u8 rt2x00_eeprom_byte(struct rt2x00_dev *rt2x00dev,
+ const unsigned int byte)
+{
+ return *(((u8 *)rt2x00dev->eeprom) + byte);
+}
+
/*
* Chipset handlers
*/
static inline void rt2x00_set_chip(struct rt2x00_dev *rt2x00dev,
- const u16 rt, const u16 rf, const u32 rev)
+ const u16 rt, const u16 rf, const u16 rev)
{
- INFO(rt2x00dev,
- "Chipset detected - rt: %04x, rf: %04x, rev: %08x.\n",
- rt, rf, rev);
-
rt2x00dev->chip.rt = rt;
rt2x00dev->chip.rf = rf;
rt2x00dev->chip.rev = rev;
+
+ rt2x00_info(rt2x00dev, "Chipset detected - rt: %04x, rf: %04x, rev: %04x\n",
+ rt2x00dev->chip.rt, rt2x00dev->chip.rf,
+ rt2x00dev->chip.rev);
}
-static inline char rt2x00_rt(const struct rt2x00_chip *chipset, const u16 chip)
+static inline void rt2x00_set_rt(struct rt2x00_dev *rt2x00dev,
+ const u16 rt, const u16 rev)
{
- return (chipset->rt == chip);
+ rt2x00dev->chip.rt = rt;
+ rt2x00dev->chip.rev = rev;
+
+ rt2x00_info(rt2x00dev, "RT chipset %04x, rev %04x detected\n",
+ rt2x00dev->chip.rt, rt2x00dev->chip.rev);
}
-static inline char rt2x00_rf(const struct rt2x00_chip *chipset, const u16 chip)
+static inline void rt2x00_set_rf(struct rt2x00_dev *rt2x00dev, const u16 rf)
{
- return (chipset->rf == chip);
+ rt2x00dev->chip.rf = rf;
+
+ rt2x00_info(rt2x00dev, "RF chipset %04x detected\n",
+ rt2x00dev->chip.rf);
}
-static inline u16 rt2x00_rev(const struct rt2x00_chip *chipset)
+static inline bool rt2x00_rt(struct rt2x00_dev *rt2x00dev, const u16 rt)
{
- return chipset->rev;
+ return (rt2x00dev->chip.rt == rt);
}
-static inline u16 rt2x00_check_rev(const struct rt2x00_chip *chipset,
- const u32 rev)
+static inline bool rt2x00_rf(struct rt2x00_dev *rt2x00dev, const u16 rf)
{
- return (((chipset->rev & 0xffff0) == rev) &&
- !!(chipset->rev & 0x0000f));
+ return (rt2x00dev->chip.rf == rf);
}
-/*
- * Duration calculations
- * The rate variable passed is: 100kbs.
- * To convert from bytes to bits we multiply size with 8,
- * then the size is multiplied with 10 to make the
- * real rate -> rate argument correction.
- */
-static inline u16 get_duration(const unsigned int size, const u8 rate)
+static inline u16 rt2x00_rev(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00dev->chip.rev;
+}
+
+static inline bool rt2x00_rt_rev(struct rt2x00_dev *rt2x00dev,
+ const u16 rt, const u16 rev)
+{
+ return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) == rev);
+}
+
+static inline bool rt2x00_rt_rev_lt(struct rt2x00_dev *rt2x00dev,
+ const u16 rt, const u16 rev)
+{
+ return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) < rev);
+}
+
+static inline bool rt2x00_rt_rev_gte(struct rt2x00_dev *rt2x00dev,
+ const u16 rt, const u16 rev)
+{
+ return (rt2x00_rt(rt2x00dev, rt) && rt2x00_rev(rt2x00dev) >= rev);
+}
+
+static inline void rt2x00_set_chip_intf(struct rt2x00_dev *rt2x00dev,
+ enum rt2x00_chip_intf intf)
+{
+ rt2x00dev->chip.intf = intf;
+}
+
+static inline bool rt2x00_intf(struct rt2x00_dev *rt2x00dev,
+ enum rt2x00_chip_intf intf)
+{
+ return (rt2x00dev->chip.intf == intf);
+}
+
+static inline bool rt2x00_is_pci(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI) ||
+ rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
+}
+
+static inline bool rt2x00_is_pcie(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE);
+}
+
+static inline bool rt2x00_is_usb(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_USB);
+}
+
+static inline bool rt2x00_is_soc(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);
+}
+
+/* Helpers for capability flags */
+
+static inline bool
+rt2x00_has_cap_flag(struct rt2x00_dev *rt2x00dev,
+ enum rt2x00_capability_flags cap_flag)
+{
+ return test_bit(cap_flag, &rt2x00dev->cap_flags);
+}
+
+static inline bool
+rt2x00_has_cap_hw_crypto(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_HW_CRYPTO);
+}
+
+static inline bool
+rt2x00_has_cap_power_limit(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_POWER_LIMIT);
+}
+
+static inline bool
+rt2x00_has_cap_control_filters(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_CONTROL_FILTERS);
+}
+
+static inline bool
+rt2x00_has_cap_control_filter_pspoll(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_CONTROL_FILTER_PSPOLL);
+}
+
+static inline bool
+rt2x00_has_cap_pre_tbtt_interrupt(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_PRE_TBTT_INTERRUPT);
+}
+
+static inline bool
+rt2x00_has_cap_link_tuning(struct rt2x00_dev *rt2x00dev)
{
- return ((size * 8 * 10) / rate);
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_LINK_TUNING);
}
-static inline u16 get_duration_res(const unsigned int size, const u8 rate)
+static inline bool
+rt2x00_has_cap_frame_type(struct rt2x00_dev *rt2x00dev)
{
- return ((size * 8 * 10) % rate);
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_FRAME_TYPE);
+}
+
+static inline bool
+rt2x00_has_cap_rf_sequence(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_RF_SEQUENCE);
+}
+
+static inline bool
+rt2x00_has_cap_external_lna_a(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_LNA_A);
+}
+
+static inline bool
+rt2x00_has_cap_external_lna_bg(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_EXTERNAL_LNA_BG);
+}
+
+static inline bool
+rt2x00_has_cap_double_antenna(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_DOUBLE_ANTENNA);
+}
+
+static inline bool
+rt2x00_has_cap_bt_coexist(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_BT_COEXIST);
+}
+
+static inline bool
+rt2x00_has_cap_vco_recalibration(struct rt2x00_dev *rt2x00dev)
+{
+ return rt2x00_has_cap_flag(rt2x00dev, CAPABILITY_VCO_RECALIBRATION);
}
/**
* rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
- * @rt2x00dev: Pointer to &struct rt2x00_dev.
- * @skb: The skb to map.
+ * @entry: Pointer to &struct queue_entry
+ *
+ * Returns -ENOMEM if mapping fail, 0 otherwise.
+ */
+int rt2x00queue_map_txskb(struct queue_entry *entry);
+
+/**
+ * rt2x00queue_unmap_skb - Unmap a skb from DMA.
+ * @entry: Pointer to &struct queue_entry
*/
-void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
+void rt2x00queue_unmap_skb(struct queue_entry *entry);
/**
- * rt2x00queue_get_queue - Convert queue index to queue pointer
+ * rt2x00queue_get_tx_queue - Convert tx queue index to queue pointer
* @rt2x00dev: Pointer to &struct rt2x00_dev.
* @queue: rt2x00 queue index (see &enum data_queue_qid).
+ *
+ * Returns NULL for non tx queues.
*/
-struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
- const enum data_queue_qid queue);
+static inline struct data_queue *
+rt2x00queue_get_tx_queue(struct rt2x00_dev *rt2x00dev,
+ const enum data_queue_qid queue)
+{
+ if (queue < rt2x00dev->ops->tx_queues && rt2x00dev->tx)
+ return &rt2x00dev->tx[queue];
+
+ if (queue == QID_ATIM)
+ return rt2x00dev->atim;
+
+ return NULL;
+}
/**
* rt2x00queue_get_entry - Get queue entry where the given index points to.
@@ -933,43 +1297,165 @@ struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
enum queue_index index);
+/**
+ * rt2x00queue_pause_queue - Pause a data queue
+ * @queue: Pointer to &struct data_queue.
+ *
+ * This function will pause the data queue locally, preventing
+ * new frames to be added to the queue (while the hardware is
+ * still allowed to run).
+ */
+void rt2x00queue_pause_queue(struct data_queue *queue);
+
+/**
+ * rt2x00queue_unpause_queue - unpause a data queue
+ * @queue: Pointer to &struct data_queue.
+ *
+ * This function will unpause the data queue locally, allowing
+ * new frames to be added to the queue again.
+ */
+void rt2x00queue_unpause_queue(struct data_queue *queue);
+
+/**
+ * rt2x00queue_start_queue - Start a data queue
+ * @queue: Pointer to &struct data_queue.
+ *
+ * This function will start handling all pending frames in the queue.
+ */
+void rt2x00queue_start_queue(struct data_queue *queue);
+
+/**
+ * rt2x00queue_stop_queue - Halt a data queue
+ * @queue: Pointer to &struct data_queue.
+ *
+ * This function will stop all pending frames in the queue.
+ */
+void rt2x00queue_stop_queue(struct data_queue *queue);
+
+/**
+ * rt2x00queue_flush_queue - Flush a data queue
+ * @queue: Pointer to &struct data_queue.
+ * @drop: True to drop all pending frames.
+ *
+ * This function will flush the queue. After this call
+ * the queue is guaranteed to be empty.
+ */
+void rt2x00queue_flush_queue(struct data_queue *queue, bool drop);
+
+/**
+ * rt2x00queue_start_queues - Start all data queues
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ *
+ * This function will loop through all available queues to start them
+ */
+void rt2x00queue_start_queues(struct rt2x00_dev *rt2x00dev);
+
+/**
+ * rt2x00queue_stop_queues - Halt all data queues
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ *
+ * This function will loop through all available queues to stop
+ * any pending frames.
+ */
+void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev);
+
+/**
+ * rt2x00queue_flush_queues - Flush all data queues
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ * @drop: True to drop all pending frames.
+ *
+ * This function will loop through all available queues to flush
+ * any pending frames.
+ */
+void rt2x00queue_flush_queues(struct rt2x00_dev *rt2x00dev, bool drop);
+
+/*
+ * Debugfs handlers.
+ */
+/**
+ * rt2x00debug_dump_frame - Dump a frame to userspace through debugfs.
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ * @type: The type of frame that is being dumped.
+ * @skb: The skb containing the frame to be dumped.
+ */
+#ifdef CONFIG_RT2X00_LIB_DEBUGFS
+void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
+ enum rt2x00_dump_type type, struct sk_buff *skb);
+#else
+static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
+ enum rt2x00_dump_type type,
+ struct sk_buff *skb)
+{
+}
+#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
+
+/*
+ * Utility functions.
+ */
+u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_vif *vif);
+
/*
* Interrupt context handlers.
*/
void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev);
+void rt2x00lib_dmastart(struct queue_entry *entry);
+void rt2x00lib_dmadone(struct queue_entry *entry);
void rt2x00lib_txdone(struct queue_entry *entry,
struct txdone_entry_desc *txdesc);
-void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry);
+void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status);
+void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp);
/*
* mac80211 handlers.
*/
-int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+void rt2x00mac_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
int rt2x00mac_start(struct ieee80211_hw *hw);
void rt2x00mac_stop(struct ieee80211_hw *hw);
int rt2x00mac_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf);
+ struct ieee80211_vif *vif);
void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf);
-int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf);
-int rt2x00mac_config_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_if_conf *conf);
+ struct ieee80211_vif *vif);
+int rt2x00mac_config(struct ieee80211_hw *hw, u32 changed);
void rt2x00mac_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
- int mc_count, struct dev_addr_list *mc_list);
+ u64 multicast);
+int rt2x00mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
+ bool set);
+#ifdef CONFIG_RT2X00_LIB_CRYPTO
+int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key);
+#else
+#define rt2x00mac_set_key NULL
+#endif /* CONFIG_RT2X00_LIB_CRYPTO */
+int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw);
+void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw);
int rt2x00mac_get_stats(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats);
-int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
- struct ieee80211_tx_queue_stats *stats);
void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes);
-int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
+int rt2x00mac_conf_tx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, u16 queue,
const struct ieee80211_tx_queue_params *params);
+void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw);
+void rt2x00mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u32 queues, bool drop);
+int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant);
+int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
+void rt2x00mac_get_ringparam(struct ieee80211_hw *hw,
+ u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max);
+bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw);
/*
* Driver allocation handlers.