mac80211: remove tx status ampdu_ack_map
Johannes Berg [Wed, 26 May 2010 15:19:25 +0000 (17:19 +0200)]
There's a single use of this struct member, but
as it is write-only it clearly not necessary.
Thus we can free up some space here, even if we
don't need it right now it seems pointless to
carry around the variable.

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

drivers/net/wireless/iwlwifi/iwl-agn-tx.c
include/net/mac80211.h

index 52bec10..bde342b 100644 (file)
@@ -1252,7 +1252,6 @@ static int iwlagn_tx_status_reply_compressed_ba(struct iwl_priv *priv,
        info->flags |= IEEE80211_TX_STAT_ACK;
        info->flags |= IEEE80211_TX_STAT_AMPDU;
        info->status.ampdu_ack_len = successes;
-       info->status.ampdu_ack_map = bitmap;
        info->status.ampdu_len = agg->frame_count;
        iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
 
index de22cbf..f26440a 100644 (file)
@@ -412,8 +412,6 @@ struct ieee80211_tx_rate {
  * @driver_data: array of driver_data pointers
  * @ampdu_ack_len: number of acked aggregated frames.
  *     relevant only if IEEE80211_TX_STAT_AMPDU was set.
- * @ampdu_ack_map: block ack bit map for the aggregation.
- *     relevant only if IEEE80211_TX_STAT_AMPDU was set.
  * @ampdu_len: number of aggregated frames.
  *     relevant only if IEEE80211_TX_STAT_AMPDU was set.
  * @ack_signal: signal strength of the ACK frame
@@ -448,10 +446,9 @@ struct ieee80211_tx_info {
                struct {
                        struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
                        u8 ampdu_ack_len;
-                       u64 ampdu_ack_map;
                        int ack_signal;
                        u8 ampdu_len;
-                       /* 7 bytes free */
+                       /* 15 bytes free */
                } status;
                struct {
                        struct ieee80211_tx_rate driver_rates[