mac80211: add missing docs for off-chan TX flag

The flag is IEEE80211_TX_CTL_TX_OFFCHAN and I had
added that in a previous patch but forgotten docs.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 3ce8e1f70c06..62c0ce2d1dc8 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -337,6 +337,10 @@ struct ieee80211_bss_conf {
  * @IEEE80211_TX_CTL_LDPC: tells the driver to use LDPC for this frame
  * @IEEE80211_TX_CTL_STBC: Enables Space-Time Block Coding (STBC) for this
  *      frame and selects the maximum number of streams that it can use.
+ * @IEEE80211_TX_CTL_TX_OFFCHAN: Marks this packet to be transmitted on
+ *      the off-channel channel when a remain-on-channel offload is done
+ *      in hardware -- normal packets still flow and are expected to be
+ *      handled properly by the device.
  *
  * Note: If you have to add new flags to the enumeration, then don't
  *       forget to update %IEEE80211_TX_TEMPORARY_FLAGS when necessary.