mac80211: add block ack request capability

This patch adds block ack request capability

Signed-off-by: Ester Kummer <ester.kummer@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index cffd6d0094f9..aa603c3d76d1 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -658,6 +658,10 @@ struct ieee80211_bar {
         __le16 start_seq_num;
 } __attribute__((packed));
 
+/* 802.11 BAR control masks */
+#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
+#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
+
 /**
  * struct ieee80211_ht_cap - HT capabilities
  *
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 3a204acad901..0a5de3ef527a 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -235,6 +235,8 @@ struct ieee80211_bss_conf {
  * @IEEE80211_TX_STAT_ACK: Frame was acknowledged
  * @IEEE80211_TX_STAT_AMPDU: The frame was aggregated, so status
  *      is for the whole aggregation.
+ * @IEEE80211_TX_STAT_AMPDU_NO_BACK: no block ack was returned,
+ *      so consider using block ack request (BAR).
  */
 enum mac80211_tx_control_flags {
         IEEE80211_TX_CTL_REQ_TX_STATUS          = BIT(0),
@@ -260,6 +262,7 @@ enum mac80211_tx_control_flags {
         IEEE80211_TX_STAT_TX_FILTERED           = BIT(20),
         IEEE80211_TX_STAT_ACK                   = BIT(21),
         IEEE80211_TX_STAT_AMPDU                 = BIT(22),
+        IEEE80211_TX_STAT_AMPDU_NO_BACK         = BIT(23),
 };