#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 <net/mac80211.h>
#include "rt2x00debug.h"
+#include "rt2x00leds.h"
#include "rt2x00reg.h"
#include "rt2x00queue.h"
/*
* Module information.
*/
-#define DRV_VERSION "2.0.14"
+#define DRV_VERSION "2.2.1"
#define DRV_PROJECT "http://rt2x00.serialmonkey.com"
/*
*/
#define DEBUG_PRINTK_MSG(__dev, __kernlvl, __lvl, __msg, __args...) \
printk(__kernlvl "%s -> %s: %s - " __msg, \
- wiphy_name((__dev)->hw->wiphy), __FUNCTION__, __lvl, ##__args)
+ wiphy_name((__dev)->hw->wiphy), __func__, __lvl, ##__args)
#define DEBUG_PRINTK_PROBE(__kernlvl, __lvl, __msg, __args...) \
printk(__kernlvl "%s -> %s: %s - " __msg, \
- KBUILD_MODNAME, __FUNCTION__, __lvl, ##__args)
+ KBUILD_MODNAME, __func__, __lvl, ##__args)
#ifdef CONFIG_RT2X00_DEBUG
#define DEBUG_PRINTK(__dev, __kernlvl, __lvl, __msg, __args...) \
#define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME )
#define DIFS ( PIFS + SLOT_TIME )
#define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
-#define EIFS ( SIFS + (8 * (IEEE80211_HEADER + ACK_SIZE)) )
-
-/*
- * IEEE802.11 header defines
- */
-static inline int is_rts_frame(u16 fc)
-{
- return (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_RTS));
-}
-
-static inline int is_cts_frame(u16 fc)
-{
- return (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_CTS));
-}
-
-static inline int is_probe_resp(u16 fc)
-{
- return (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP));
-}
-
-static inline int is_beacon(u16 fc)
-{
- return (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) &&
- ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON));
-}
+#define EIFS ( SIFS + DIFS + \
+ (8 * (IEEE80211_HEADER + ACK_SIZE)) )
+#define SHORT_EIFS ( SIFS + SHORT_DIFS + \
+ (8 * (IEEE80211_HEADER + ACK_SIZE)) )
/*
* Chipset identification
};
/*
+ * Channel information structure
+ */
+struct channel_info {
+ unsigned int flags;
+#define GEOGRAPHY_ALLOWED 0x00000001
+
+ short tx_power1;
+ short tx_power2;
+};
+
+/*
* Antenna setup values.
*/
struct antenna_setup {
return DEFAULT_RSSI;
}
+static inline void rt2x00_reset_link_ant_rssi(struct link *link)
+{
+ link->ant.rssi_ant = 0;
+}
+
static inline int rt2x00_get_link_ant_rssi_history(struct link *link,
enum antenna ant)
{
/*
* Interface structure
- * Configuration details about the current interface.
+ * Per interface configuration details, this structure
+ * is allocated as the private data for ieee80211_vif.
*/
-struct interface {
+struct rt2x00_intf {
/*
- * Interface identification. The value is assigned
- * to us by the 80211 stack, and is used to request
- * new beacons.
+ * All fields within the rt2x00_intf structure
+ * must be protected with a spinlock.
*/
- struct ieee80211_vif *id;
+ spinlock_t lock;
/*
- * Current working type (IEEE80211_IF_TYPE_*).
+ * BSS configuration. Copied from the structure
+ * passed to us through the bss_info_changed()
+ * callback funtion.
*/
- int type;
+ struct ieee80211_bss_conf conf;
/*
* MAC of the device.
* BBSID of the AP to associate with.
*/
u8 bssid[ETH_ALEN];
-};
-static inline int is_interface_present(struct interface *intf)
-{
- return !!intf->id;
-}
+ /*
+ * Entry in the beacon queue which belongs to
+ * this interface. Each interface has its own
+ * dedicated beacon entry.
+ */
+ struct queue_entry *beacon;
+
+ /*
+ * Actions that needed rescheduling.
+ */
+ unsigned int delayed_flags;
+#define DELAYED_UPDATE_BEACON 0x00000001
+#define DELAYED_CONFIG_ERP 0x00000002
+#define DELAYED_LED_ASSOC 0x00000004
-static inline int is_interface_type(struct interface *intf, int type)
+ /*
+ * Software sequence counter, this is only required
+ * for hardware which doesn't support hardware
+ * sequence counting.
+ */
+ spinlock_t seqlock;
+ u16 seqno;
+};
+
+static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
{
- return intf->type == type;
+ return (struct rt2x00_intf *)vif->drv_priv;
}
-/*
+/**
+ * struct hw_mode_spec: Hardware specifications structure
+ *
* Details about the supported modes, rates and channels
* of a particular chipset. This is used by rt2x00lib
* to build the ieee80211_hw_mode array for mac80211.
+ *
+ * @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
+ * @supported_rates: Rate types which are supported (CCK, OFDM).
+ * @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).
+ * @channels_info: Additional information for channels (See &struct channel_info).
*/
struct hw_mode_spec {
- /*
- * Number of modes, rates and channels.
- */
- int num_modes;
- int num_rates;
- int num_channels;
+ unsigned int supported_bands;
+#define SUPPORT_BAND_2GHZ 0x00000001
+#define SUPPORT_BAND_5GHZ 0x00000002
- /*
- * txpower values.
- */
- const u8 *tx_power_a;
- const u8 *tx_power_bg;
- u8 tx_power_default;
+ unsigned int supported_rates;
+#define SUPPORT_RATE_CCK 0x00000001
+#define SUPPORT_RATE_OFDM 0x00000002
- /*
- * Device/chipset specific value.
- */
+ unsigned int num_channels;
const struct rf_channel *channels;
+ const struct channel_info *channels_info;
};
/*
*/
struct rt2x00lib_conf {
struct ieee80211_conf *conf;
+
struct rf_channel rf;
+ struct channel_info channel;
struct antenna_setup ant;
- int phymode;
+ enum ieee80211_band band;
- int basic_rates;
- int slot_time;
+ u32 basic_rates;
+ u32 slot_time;
short sifs;
short pifs;
};
/*
+ * Configuration structure for erp settings.
+ */
+struct rt2x00lib_erp {
+ int short_preamble;
+ int cts_protection;
+
+ int ack_timeout;
+ int ack_consume_time;
+};
+
+/*
+ * Configuration structure for hardware encryption.
+ */
+struct rt2x00lib_crypto {
+ enum cipher cipher;
+
+ enum set_key_cmd cmd;
+ const u8 *address;
+
+ u32 bssidx;
+ u32 aid;
+
+ u8 key[16];
+ u8 tx_mic[8];
+ u8 rx_mic[8];
+};
+
+/*
+ * Configuration structure wrapper around the
+ * rt2x00 interface configuration handler.
+ */
+struct rt2x00intf_conf {
+ /*
+ * Interface type
+ */
+ enum nl80211_iftype type;
+
+ /*
+ * TSF sync value, this is dependant 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
+ * to the drivers, copy the it into a endian-signed variable.
+ *
+ * Note that all devices (except rt2500usb) have 32 bits
+ * register word sizes. This means that whatever variable we
+ * pass _must_ be a multiple of 32 bits. Otherwise the device
+ * might not accept what we are sending to it.
+ * This will also make it easier for the driver to write
+ * the data to the device.
+ */
+ __le32 mac[2];
+ __le32 bssid[2];
+};
+
+/*
* rt2x00lib callback functions.
*/
struct rt2x00lib_ops {
*/
int (*probe_hw) (struct rt2x00_dev *rt2x00dev);
char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev);
- int (*load_firmware) (struct rt2x00_dev *rt2x00dev, void *data,
+ 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);
/*
*/
void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
- struct txentry_desc *txdesc,
- struct ieee80211_tx_control *control);
- int (*write_tx_data) (struct rt2x00_dev *rt2x00dev,
- struct data_queue *queue, struct sk_buff *skb,
- struct ieee80211_tx_control *control);
+ 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,
- unsigned int queue);
+ const enum data_queue_qid queue);
/*
* RX control handlers
/*
* Configuration handlers.
*/
- void (*config_mac_addr) (struct rt2x00_dev *rt2x00dev, __le32 *mac);
- void (*config_bssid) (struct rt2x00_dev *rt2x00dev, __le32 *bssid);
- void (*config_type) (struct rt2x00_dev *rt2x00dev, const int type,
- const int tsf_sync);
- void (*config_preamble) (struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time);
- void (*config) (struct rt2x00_dev *rt2x00dev, const unsigned int flags,
- struct rt2x00lib_conf *libconf);
+ 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,
+ struct rt2x00_intf *intf,
+ struct rt2x00intf_conf *conf,
+ const unsigned int flags);
+#define CONFIG_UPDATE_TYPE ( 1 << 1 )
+#define CONFIG_UPDATE_MAC ( 1 << 2 )
+#define CONFIG_UPDATE_BSSID ( 1 << 3 )
+
+ void (*config_erp) (struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_erp *erp);
+ 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 )
*/
struct rt2x00_ops {
const char *name;
+ const unsigned int max_sta_intf;
+ 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;
/*
* Device state flags
*/
- DEVICE_PRESENT,
- DEVICE_REGISTERED_HW,
- DEVICE_INITIALIZED,
- DEVICE_STARTED,
- DEVICE_STARTED_SUSPEND,
- DEVICE_ENABLED_RADIO,
- DEVICE_DISABLED_RADIO_HW,
+ DEVICE_STATE_PRESENT,
+ DEVICE_STATE_REGISTERED_HW,
+ DEVICE_STATE_INITIALIZED,
+ DEVICE_STATE_STARTED,
+ DEVICE_STATE_STARTED_SUSPEND,
+ DEVICE_STATE_ENABLED_RADIO,
+ DEVICE_STATE_DISABLED_RADIO_HW,
/*
- * Driver features
+ * Driver requirements
*/
DRIVER_REQUIRE_FIRMWARE,
- DRIVER_REQUIRE_FIRMWARE_CRC_ITU_T,
- DRIVER_REQUIRE_FIRMWARE_CCITT,
DRIVER_REQUIRE_BEACON_GUARD,
DRIVER_REQUIRE_ATIM_QUEUE,
+ DRIVER_REQUIRE_SCHEDULED,
+ DRIVER_REQUIRE_DMA,
/*
- * Driver configuration
+ * Driver features
*/
CONFIG_SUPPORT_HW_BUTTON,
+ CONFIG_SUPPORT_HW_CRYPTO,
+
+ /*
+ * Driver configuration
+ */
CONFIG_FRAME_TYPE,
CONFIG_RF_SEQUENCE,
CONFIG_EXTERNAL_LNA_A,
CONFIG_EXTERNAL_LNA_BG,
CONFIG_DOUBLE_ANTENNA,
CONFIG_DISABLE_LINK_TUNING,
- CONFIG_SHORT_PREAMBLE,
};
/*
* When accessing this variable, the rt2x00dev_{pci,usb}
* macro's should be used for correct typecasting.
*/
- void *dev;
-#define rt2x00dev_pci(__dev) ( (struct pci_dev *)(__dev)->dev )
-#define rt2x00dev_usb(__dev) ( (struct usb_interface *)(__dev)->dev )
-#define rt2x00dev_usb_dev(__dev)\
- ( (struct usb_device *)interface_to_usbdev(rt2x00dev_usb(__dev)) )
+ struct device *dev;
/*
* Callback functions.
* IEEE80211 control structure.
*/
struct ieee80211_hw *hw;
- struct ieee80211_hw_mode *hwmodes;
- unsigned int curr_hwmode;
-#define HWMODE_B 0
-#define HWMODE_G 1
-#define HWMODE_A 2
+ 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 input_polled_dev *poll_dev;
+ struct delayed_work rfkill_work;
#endif /* CONFIG_RT2X00_LIB_RFKILL */
/*
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
/*
+ * LED structure for changing the LED status
+ * by mac8011 or the kernel.
+ */
+#ifdef CONFIG_RT2X00_LIB_LEDS
+ struct rt2x00_led led_radio;
+ struct rt2x00_led led_assoc;
+ struct rt2x00_led led_qual;
+ u16 led_mcu_reg;
+#endif /* CONFIG_RT2X00_LIB_LEDS */
+
+ /*
* Device flags.
* In these flags the current status and some
* of the device capabilities are stored.
/*
* Register pointers
- * csr_addr: Base register address. (PCI)
- * csr_cache: CSR cache for usb_control_msg. (USB)
+ * csr.base: CSR base register address. (PCI)
+ * csr.cache: CSR cache for usb_control_msg. (USB)
*/
- void __iomem *csr_addr;
- void *csr_cache;
+ union csr {
+ void __iomem *base;
+ void *cache;
+ } csr;
/*
* Mutex to protect register accesses on USB devices.
unsigned int packet_filter;
/*
- * Interface configuration.
+ * Interface details:
+ * - Open ap interface count.
+ * - Open sta interface count.
+ * - Association count.
*/
- struct interface interface;
+ unsigned int intf_ap_count;
+ unsigned int intf_sta_count;
+ unsigned int intf_associated;
/*
* Link quality
u32 *rf;
/*
+ * LNA gain
+ */
+ short lna_gain;
+
+ /*
* USB Max frame size (for rt2500usb & rt73usb).
*/
u16 usb_maxpacket;
u16 tx_power;
/*
- * LED register (for rt61pci & rt73usb).
- */
- u16 led_reg;
-
- /*
- * Led mode (LED_MODE_*)
- */
- u8 led_mode;
-
- /*
* Rssi <-> Dbm offset
*/
u8 rssi_offset;
/*
* Scheduled work.
+ * NOTE: intf_work will use ieee80211_iterate_active_interfaces()
+ * which means it cannot be placed on the hw->workqueue
+ * due to RTNL locking requirements.
*/
- struct work_struct beacon_work;
+ struct work_struct intf_work;
struct work_struct filter_work;
- struct work_struct config_work;
/*
* Data queue arrays for RX, TX and Beacon.
* The Beacon array also contains the Atim queue
* if that is supported by the device.
*/
- int data_queues;
+ unsigned int data_queues;
struct data_queue *rx;
struct data_queue *tx;
struct data_queue *bcn;
}
/**
- * rt2x00queue_get_queue - Convert mac80211 queue index to rt2x00 queue
+ * rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
+ * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ * @skb: The skb to map.
+ */
+void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb);
+
+/**
+ * rt2x00queue_get_queue - Convert queue index to queue pointer
* @rt2x00dev: Pointer to &struct rt2x00_dev.
- * @queue: mac80211 queue index (see &enum ieee80211_tx_queue).
+ * @queue: rt2x00 queue index (see &enum data_queue_qid).
*/
struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev,
- const enum ieee80211_tx_queue queue);
+ const enum data_queue_qid queue);
/**
* rt2x00queue_get_entry - Get queue entry where the given index points to.
- * @rt2x00dev: Pointer to &struct rt2x00_dev.
+ * @queue: Pointer to &struct data_queue from where we obtain the entry.
* @index: Index identifier for obtaining the correct index.
*/
struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
enum queue_index index);
-/**
- * rt2x00queue_index_inc - Index incrementation function
- * @queue: Queue (&struct data_queue) to perform the action on.
- * @action: Index type (&enum queue_index) to perform the action on.
- *
- * This function will increase the requested index on the queue,
- * it will grab the appropriate locks and handle queue overflow events by
- * resetting the index to the start of the queue.
- */
-void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index);
-
-
/*
* Interrupt context handlers.
*/
void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
void rt2x00lib_txdone(struct queue_entry *entry,
struct txdone_entry_desc *txdesc);
-void rt2x00lib_rxdone(struct queue_entry *entry,
- struct rxdone_entry_desc *rxdesc);
-
-/*
- * TX descriptor initializer
- */
-void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
- struct sk_buff *skb,
- struct ieee80211_tx_control *control);
+void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
+ struct queue_entry *entry);
/*
* mac80211 handlers.
*/
-int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_tx_control *control);
+int rt2x00mac_tx(struct ieee80211_hw *hw, 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,
int rt2x00mac_config_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf);
+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);
+#ifdef CONFIG_RT2X00_LIB_CRYPTO
+int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ const u8 *local_address, const u8 *address,
+ struct ieee80211_key_conf *key);
+#else
+#define rt2x00mac_set_key NULL
+#endif /* CONFIG_RT2X00_LIB_CRYPTO */
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_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes);
-int rt2x00mac_conf_tx(struct ieee80211_hw *hw, int queue,
+int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
const struct ieee80211_tx_queue_params *params);
/*