mac802154: tx: add support for xmit_async callback
This patch renames the existsing xmit callback to xmit_sync and
introduces an asynchronous xmit_async function. If ieee802154_ops
doesn't provide the xmit_async callback, then we have a fallback to
the xmit_sync callback.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Cc: Alan Ott <alan@signal11.us>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index 29af5c3..57b1202 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -109,7 +109,16 @@
* stop: Handler that 802.15.4 module calls for device cleanup.
* This function is called after the last interface is removed.
*
- * xmit: Handler that 802.15.4 module calls for each transmitted frame.
+ * xmit_sync:
+ * Handler that 802.15.4 module calls for each transmitted frame.
+ * skb cntains the buffer starting from the IEEE 802.15.4 header.
+ * The low-level driver should send the frame based on available
+ * configuration. This is called by a workqueue and useful for
+ * synchronous 802.15.4 drivers.
+ * This function should return zero or negative errno.
+ *
+ * xmit_async:
+ * Handler that 802.15.4 module calls for each transmitted frame.
* skb cntains the buffer starting from the IEEE 802.15.4 header.
* The low-level driver should send the frame based on available
* configuration.
@@ -160,8 +169,10 @@
struct module *owner;
int (*start)(struct ieee802154_hw *hw);
void (*stop)(struct ieee802154_hw *hw);
- int (*xmit)(struct ieee802154_hw *hw,
- struct sk_buff *skb);
+ int (*xmit_sync)(struct ieee802154_hw *hw,
+ struct sk_buff *skb);
+ int (*xmit_async)(struct ieee802154_hw *hw,
+ struct sk_buff *skb);
int (*ed)(struct ieee802154_hw *hw, u8 *level);
int (*set_channel)(struct ieee802154_hw *hw,
int page,
