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-rw-r--r--include/net/mac80211.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 47c072eab42..1dbd49fc557 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),
};