mac80211: add remain-on-channel docs
Add documentation for the new callbacks that I
forgot in the patch adding the callbacks.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 5b3fd5a..3ce8e1f 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1753,6 +1753,16 @@
* (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
*
* @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).
+ *
+ * @remain_on_channel: Starts an off-channel period on the given channel, must
+ * call back to ieee80211_ready_on_channel() when on that channel. Note
+ * that normal channel traffic is not stopped as this is intended for hw
+ * offload. Frames to transmit on the off-channel channel are transmitted
+ * normally except for the %IEEE80211_TX_CTL_TX_OFFCHAN flag. When the
+ * duration (which will always be non-zero) expires, the driver must call
+ * ieee80211_remain_on_channel_expired(). This callback may sleep.
+ * @cancel_remain_on_channel: Requests that an ongoing off-channel period is
+ * aborted before it expires. This callback may sleep.
*/
struct ieee80211_ops {
int (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);