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mac802154: add description to mac802154 APIs

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

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Acked-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Varka Bhadram 2015-04-30 17:44:52 +02:00 committed by Marcel Holtmann
parent c57ddfaea6
commit 42fb23e2f5
1 changed files with 92 additions and 2 deletions
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94
include/net/mac802154.h
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@ -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);
}
/* 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 *
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);
/**
* 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);
/**
* 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);
/**
* 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);
/**
* 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,
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);
/**
* 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);
/**
* 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,
bool ifs_handling);