1 files changed, 12 insertions, 0 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 47c072eab42c..1dbd49fc557e 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -239,6 +239,17 @@ struct ieee80211_bss_conf {
  *      is for the whole aggregation.
  * @IEEE80211_TX_STAT_AMPDU_NO_BACK: no block ack was returned,
  *      so consider using block ack request (BAR).
+ * @IEEE80211_TX_CTL_ASSIGN_SEQ: The driver has to assign a sequence
+ *      number to this frame, taking care of not overwriting the fragment
+ *      number and increasing the sequence number only when the
+ *      IEEE80211_TX_CTL_FIRST_FRAGMENT flags is set. mac80211 will properly
+ *      assign sequence numbers to QoS-data frames but cannot do so correctly
+ *      for non-QoS-data and management frames because beacons need them from
+ *      that counter as well and mac80211 cannot guarantee proper sequencing.
+ *      If this flag is set, the driver should instruct the hardware to
+ *      assign a sequence number to the frame or assign one itself. Cf. IEEE
+ *      802.11-2007 7.1.3.4.1 paragraph 3. This flag will always be set for
+ *      beacons always be clear for frames without a sequence number field.
  */
 enum mac80211_tx_control_flags {
         IEEE80211_TX_CTL_REQ_TX_STATUS          = BIT(0),
@@ -265,6 +276,7 @@ enum mac80211_tx_control_flags {
         IEEE80211_TX_STAT_ACK                   = BIT(21),
         IEEE80211_TX_STAT_AMPDU                 = BIT(22),
         IEEE80211_TX_STAT_AMPDU_NO_BACK         = BIT(23),
+        IEEE80211_TX_CTL_ASSIGN_SEQ             = BIT(24),
 };