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Commit 42fb23e2 authored by Varka Bhadram's avatar Varka Bhadram Committed by Marcel Holtmann
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mac802154: add description to mac802154 APIs



This patch adds the proper description to the mac802154 core APIs.

Signed-off-by: default avatarVarka Bhadram <varkab@cdac.in>
Acked-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent c57ddfae
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+92 −2
Original line number Original line Diff line number Diff line
@@ -247,19 +247,109 @@ static inline void ieee802154_le64_to_be64(void *be64_dst, const void *le64_src)
	__put_unaligned_memmove64(swab64p(le64_src), be64_dst);
	__put_unaligned_memmove64(swab64p(le64_src), be64_dst);
}
}


/* Basic interface to register ieee802154 device */
/**
 * ieee802154_alloc_hw - Allocate a new hardware device
 *
 * This must be called once for each hardware device. The returned pointer
 * must be used to refer to this device when calling other functions.
 * mac802154 allocates a private data area for the driver pointed to by
 * @priv in &struct ieee802154_hw, the size of this area is given as
 * @priv_data_len.
 *
 * @priv_data_len: length of private data
 * @ops: callbacks for this device
 *
 * Return: A pointer to the new hardware device, or %NULL on error.
 */
struct ieee802154_hw *
struct ieee802154_hw *
ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops);
ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops);

/**
 * ieee802154_free_hw - free hardware descriptor
 *
 * This function frees everything that was allocated, including the
 * private data for the driver. You must call ieee802154_unregister_hw()
 * before calling this function.
 *
 * @hw: the hardware to free
 */
void ieee802154_free_hw(struct ieee802154_hw *hw);
void ieee802154_free_hw(struct ieee802154_hw *hw);

/**
 * ieee802154_register_hw - Register hardware device
 *
 * You must call this function before any other functions in
 * mac802154. Note that before a hardware can be registered, you
 * need to fill the contained wpan_phy's information.
 *
 * @hw: the device to register as returned by ieee802154_alloc_hw()
 *
 * Return: 0 on success. An error code otherwise.
 */
int ieee802154_register_hw(struct ieee802154_hw *hw);
int ieee802154_register_hw(struct ieee802154_hw *hw);

/**
 * ieee802154_unregister_hw - Unregister a hardware device
 *
 * This function instructs mac802154 to free allocated resources
 * and unregister netdevices from the networking subsystem.
 *
 * @hw: the hardware to unregister
 */
void ieee802154_unregister_hw(struct ieee802154_hw *hw);
void ieee802154_unregister_hw(struct ieee802154_hw *hw);


/**
 * ieee802154_rx - receive frame
 *
 * Use this function to hand received frames to mac802154. The receive
 * buffer in @skb must start with an IEEE 802.15.4 header. In case of a
 * paged @skb is used, the driver is recommended to put the ieee802154
 * header of the frame on the linear part of the @skb to avoid memory
 * allocation and/or memcpy by the stack.
 *
 * This function may not be called in IRQ context. Calls to this function
 * for a single hardware must be synchronized against each other.
 *
 * @hw: the hardware this frame came in on
 * @skb: the buffer to receive, owned by mac802154 after this call
 */
void ieee802154_rx(struct ieee802154_hw *hw, struct sk_buff *skb);
void ieee802154_rx(struct ieee802154_hw *hw, struct sk_buff *skb);

/**
 * ieee802154_rx_irqsafe - receive frame
 *
 * Like ieee802154_rx() but can be called in IRQ context
 * (internally defers to a tasklet.)
 *
 * @hw: the hardware this frame came in on
 * @skb: the buffer to receive, owned by mac802154 after this call
 * @lqi: link quality indicator
 */
void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb,
void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb,
			   u8 lqi);
			   u8 lqi);

/**
 * ieee802154_wake_queue - wake ieee802154 queue
 * @hw: pointer as obtained from ieee802154_alloc_hw().
 *
 * Drivers should use this function instead of netif_wake_queue.
 */
void ieee802154_wake_queue(struct ieee802154_hw *hw);
void ieee802154_wake_queue(struct ieee802154_hw *hw);

/**
 * ieee802154_stop_queue - stop ieee802154 queue
 * @hw: pointer as obtained from ieee802154_alloc_hw().
 *
 * Drivers should use this function instead of netif_stop_queue.
 */
void ieee802154_stop_queue(struct ieee802154_hw *hw);
void ieee802154_stop_queue(struct ieee802154_hw *hw);

/**
 * ieee802154_xmit_complete - frame transmission complete
 *
 * @hw: pointer as obtained from ieee802154_alloc_hw().
 * @skb: buffer for transmission
 * @ifs_handling: indicate interframe space handling
 */
void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb,
void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb,
			      bool ifs_handling);
			      bool ifs_handling);