mac80211.h

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					const struct ieee80211_ops *ops);

/**
 * ieee80211_register_hw - Register hardware device
 *
 * You must call this function before any other functions
 * except ieee80211_register_hwmode.
 *
 * @hw: the device to register as returned by ieee80211_alloc_hw()
 */
int ieee80211_register_hw(struct ieee80211_hw *hw);

#ifdef CONFIG_MAC80211_LEDS
extern char *__ieee80211_get_tx_led_name(struct ieee80211_hw *hw);
extern char *__ieee80211_get_rx_led_name(struct ieee80211_hw *hw);
extern char *__ieee80211_get_assoc_led_name(struct ieee80211_hw *hw);
#endif
/**
 * ieee80211_get_tx_led_name - get name of TX LED
 *
 * mac80211 creates a transmit LED trigger for each wireless hardware
 * that can be used to drive LEDs if your driver registers a LED device.
 * This function returns the name (or %NULL if not configured for LEDs)
 * of the trigger so you can automatically link the LED device.
 *
 * @hw: the hardware to get the LED trigger name for
 */
static inline char *ieee80211_get_tx_led_name(struct ieee80211_hw *hw)
{
#ifdef CONFIG_MAC80211_LEDS
	return __ieee80211_get_tx_led_name(hw);
#else
	return NULL;
#endif
}

/**
 * ieee80211_get_rx_led_name - get name of RX LED
 *
 * mac80211 creates a receive LED trigger for each wireless hardware
 * that can be used to drive LEDs if your driver registers a LED device.
 * This function returns the name (or %NULL if not configured for LEDs)
 * of the trigger so you can automatically link the LED device.
 *
 * @hw: the hardware to get the LED trigger name for
 */
static inline char *ieee80211_get_rx_led_name(struct ieee80211_hw *hw)
{
#ifdef CONFIG_MAC80211_LEDS
	return __ieee80211_get_rx_led_name(hw);
#else
	return NULL;
#endif
}

static inline char *ieee80211_get_assoc_led_name(struct ieee80211_hw *hw)
{
#ifdef CONFIG_MAC80211_LEDS
	return __ieee80211_get_assoc_led_name(hw);
#else
	return NULL;
#endif
}


/* Register a new hardware PHYMODE capability to the stack. */
int ieee80211_register_hwmode(struct ieee80211_hw *hw,
			      struct ieee80211_hw_mode *mode);

/**
 * ieee80211_unregister_hw - Unregister a hardware device
 *
 * This function instructs mac80211 to free allocated resources
 * and unregister netdevices from the networking subsystem.
 *
 * @hw: the hardware to unregister
 */
void ieee80211_unregister_hw(struct ieee80211_hw *hw);

/**
 * ieee80211_free_hw - free hardware descriptor
 *
 * This function frees everything that was allocated, including the
 * private data for the driver. You must call ieee80211_unregister_hw()
 * before calling this function
 *
 * @hw: the hardware to free
 */
void ieee80211_free_hw(struct ieee80211_hw *hw);

/* trick to avoid symbol clashes with the ieee80211 subsystem */
void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
		    struct ieee80211_rx_status *status);

/**
 * ieee80211_rx - receive frame
 *
 * Use this function to hand received frames to mac80211. The receive
 * buffer in @skb must start with an IEEE 802.11 header or a radiotap
 * header if %RX_FLAG_RADIOTAP is set in the @status flags.
 *
 * This function may not be called in IRQ context.
 *
 * @hw: the hardware this frame came in on
 * @skb: the buffer to receive, owned by mac80211 after this call
 * @status: status of this frame; the status pointer need not be valid
 *	after this function returns
 */
static inline void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
				struct ieee80211_rx_status *status)
{
	__ieee80211_rx(hw, skb, status);
}

/**
 * ieee80211_rx_irqsafe - receive frame
 *
 * Like ieee80211_rx() but can be called in IRQ context
 * (internally defers to a workqueue.)
 *
 * @hw: the hardware this frame came in on
 * @skb: the buffer to receive, owned by mac80211 after this call
 * @status: status of this frame; the status pointer need not be valid
 *	after this function returns and is not freed by mac80211,
 *	it is recommended that it points to a stack area
 */
void ieee80211_rx_irqsafe(struct ieee80211_hw *hw,
			  struct sk_buff *skb,
			  struct ieee80211_rx_status *status);

/**
 * ieee80211_tx_status - transmit status callback
 *
 * Call this function for all transmitted frames after they have been
 * transmitted. It is permissible to not call this function for
 * multicast frames but this can affect statistics.
 *
 * @hw: the hardware the frame was transmitted by
 * @skb: the frame that was transmitted, owned by mac80211 after this call
 * @status: status information for this frame; the status pointer need not
 *	be valid after this function returns and is not freed by mac80211,
 *	it is recommended that it points to a stack area
 */
void ieee80211_tx_status(struct ieee80211_hw *hw,
			 struct sk_buff *skb,
			 struct ieee80211_tx_status *status);
void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
				 struct sk_buff *skb,
				 struct ieee80211_tx_status *status);

/**
 * ieee80211_beacon_get - beacon generation function
 * @hw: pointer obtained from ieee80211_alloc_hw().
 * @if_id: interface ID from &struct ieee80211_if_init_conf.
 * @control: will be filled with information needed to send this beacon.
 *
 * If the beacon frames are generated by the host system (i.e., not in
 * hardware/firmware), the low-level driver uses this function to receive
 * the next beacon frame from the 802.11 code. The low-level is responsible
 * for calling this function before beacon data is needed (e.g., based on
 * hardware interrupt). Returned skb is used only once and low-level driver
 * is responsible of freeing it.
 */
struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
				     int if_id,
				     struct ieee80211_tx_control *control);

/**
 * ieee80211_rts_get - RTS frame generation function
 * @hw: pointer obtained from ieee80211_alloc_hw().
 * @if_id: interface ID from &struct ieee80211_if_init_conf.
 * @frame: pointer to the frame that is going to be protected by the RTS.
 * @frame_len: the frame length (in octets).
 * @frame_txctl: &struct ieee80211_tx_control of the frame.
 * @rts: The buffer where to store the RTS frame.
 *
 * If the RTS frames are generated by the host system (i.e., not in
 * hardware/firmware), the low-level driver uses this function to receive
 * the next RTS frame from the 802.11 code. The low-level is responsible
 * for calling this function before and RTS frame is needed.
 */
void ieee80211_rts_get(struct ieee80211_hw *hw, int if_id,
		       const void *frame, size_t frame_len,
		       const struct ieee80211_tx_control *frame_txctl,
		       struct ieee80211_rts *rts);

/**
 * ieee80211_rts_duration - Get the duration field for an RTS frame
 * @hw: pointer obtained from ieee80211_alloc_hw().
 * @if_id: interface ID from &struct ieee80211_if_init_conf.
 * @frame_len: the length of the frame that is going to be protected by the RTS.
 * @frame_txctl: &struct ieee80211_tx_control of the frame.
 *
 * If the RTS is generated in firmware, but the host system must provide
 * the duration field, the low-level driver uses this function to receive
 * the duration field value in little-endian byteorder.
 */
__le16 ieee80211_rts_duration(struct ieee80211_hw *hw, int if_id,
			      size_t frame_len,
			      const struct ieee80211_tx_control *frame_txctl);

/**
 * ieee80211_ctstoself_get - CTS-to-self frame generation function
 * @hw: pointer obtained from ieee80211_alloc_hw().
 * @if_id: interface ID from &struct ieee80211_if_init_conf.
 * @frame: pointer to the frame that is going to be protected by the CTS-to-self.
 * @frame_len: the frame length (in octets).
 * @frame_txctl: &struct ieee80211_tx_control of the frame.
 * @cts: The buffer where to store the CTS-to-self frame.
 *
 * If the CTS-to-self frames are generated by the host system (i.e., not in
 * hardware/firmware), the low-level driver uses this function to receive
 * the next CTS-to-self frame from the 802.11 code. The low-level is responsible
 * for calling this function before and CTS-to-self frame is needed.
 */
void ieee80211_ctstoself_get(struct ieee80211_hw *hw, int if_id,
			     const void *frame, size_t frame_len,
			     const struct ieee80211_tx_control *frame_txctl,
			     struct ieee80211_cts *cts);

/**
 * ieee80211_ctstoself_duration - Get the duration field for a CTS-to-self frame
 * @hw: pointer obtained from ieee80211_alloc_hw().
 * @if_id: interface ID from &struct ieee80211_if_init_conf.
 * @frame_len: the length of the frame that is going to be protected by the CTS-to-self.
 * @frame_txctl: &struct ieee80211_tx_control of the frame.
 *
 * If the CTS-to-self is generated in firmware, but the host system must provide
 * the duration field, the low-level driver uses this function to receive
 * the duration field value in little-endian byteorder.
 */
__le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw, int if_id,
				    size_t frame_len,
				    const struct ieee80211_tx_control *frame_txctl);

/**
 * ieee80211_generic_frame_duration - Calculate the duration field for a frame
 * @hw: pointer obtained from ieee80211_alloc_hw().
 * @if_id: interface ID from &struct ieee80211_if_init_conf.
 * @frame_len: the length of the frame.
 * @rate: the rate (in 100kbps) at which the frame is going to be transmitted.
 *
 * Calculate the duration field of some generic frame, given its
 * length and transmission rate (in 100kbps).
 */
__le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw, int if_id,
					size_t frame_len,
					int rate);

/**
 * ieee80211_get_buffered_bc - accessing buffered broadcast and multicast frames
 * @hw: pointer as obtained from ieee80211_alloc_hw().
 * @if_id: interface ID from &struct ieee80211_if_init_conf.
 * @control: will be filled with information needed to send returned frame.
 *
 * Function for accessing buffered broadcast and multicast frames. If
 * hardware/firmware does not implement buffering of broadcast/multicast
 * frames when power saving is used, 802.11 code buffers them in the host
 * memory. The low-level driver uses this function to fetch next buffered
 * frame. In most cases, this is used when generating beacon frame. This
 * function returns a pointer to the next buffered skb or NULL if no more
 * buffered frames are available.
 *
 * Note: buffered frames are returned only after DTIM beacon frame was
 * generated with ieee80211_beacon_get() and the low-level driver must thus
 * call ieee80211_beacon_get() first. ieee80211_get_buffered_bc() returns
 * NULL if the previous generated beacon was not DTIM, so the low-level driver
 * does not need to check for DTIM beacons separately and should be able to
 * use common code for all beacons.
 */
struct sk_buff *
ieee80211_get_buffered_bc(struct ieee80211_hw *hw, int if_id,
			  struct ieee80211_tx_control *control);

/**
 * ieee80211_get_hdrlen_from_skb - get header length from data
 *
 * Given an skb with a raw 802.11 header at the data pointer this function
 * returns the 802.11 header length in bytes (not including encryption
 * headers). If the data in the sk_buff is too short to contain a valid 802.11
 * header the function returns 0.
 *
 * @skb: the frame
 */
int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb);

/**
 * ieee80211_get_hdrlen - get header length from frame control
 *
 * This function returns the 802.11 header length in bytes (not including
 * encryption headers.)
 *
 * @fc: the frame control field (in CPU endianness)
 */
int ieee80211_get_hdrlen(u16 fc);

/**
 * ieee80211_wake_queue - wake specific queue
 * @hw: pointer as obtained from ieee80211_alloc_hw().
 * @queue: queue number (counted from zero).
 *
 * Drivers should use this function instead of netif_wake_queue.
 */
void ieee80211_wake_queue(struct ieee80211_hw *hw, int queue);

/**
 * ieee80211_stop_queue - stop specific queue
 * @hw: pointer as obtained from ieee80211_alloc_hw().
 * @queue: queue number (counted from zero).
 *
 * Drivers should use this function instead of netif_stop_queue.
 */
void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue);

/**
 * ieee80211_start_queues - start all queues
 * @hw: pointer to as obtained from ieee80211_alloc_hw().
 *
 * Drivers should use this function instead of netif_start_queue.
 */
void ieee80211_start_queues(struct ieee80211_hw *hw);

/**
 * ieee80211_stop_queues - stop all queues
 * @hw: pointer as obtained from ieee80211_alloc_hw().
 *
 * Drivers should use this function instead of netif_stop_queue.
 */
void ieee80211_stop_queues(struct ieee80211_hw *hw);

/**
 * ieee80211_wake_queues - wake all queues
 * @hw: pointer as obtained from ieee80211_alloc_hw().
 *
 * Drivers should use this function instead of netif_wake_queue.
 */
void ieee80211_wake_queues(struct ieee80211_hw *hw);

/**
 * ieee80211_scan_completed - completed hardware scan
 *
 * When hardware scan offload is used (i.e. the hw_scan() callback is
 * assigned) this function needs to be called by the driver to notify
 * mac80211 that the scan finished.
 *
 * @hw: the hardware that finished the scan
 */
void ieee80211_scan_completed(struct ieee80211_hw *hw);

#endif /* MAC80211_H */