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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 8d8306039edb..cafb4a09729a 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1165,6 +1165,7 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
{
struct ath_atx_tid *txtid;
struct ath_node *an;
+ u8 density;
an = (struct ath_node *)sta->drv_priv;
txtid = ATH_AN_2_TID(an, tid);
@@ -1172,6 +1173,17 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
if (txtid->state & (AGGR_CLEANUP | AGGR_ADDBA_COMPLETE))
return -EAGAIN;
+ /* update ampdu factor/density, they may have changed. This may happen
+ * in HT IBSS when a beacon with HT-info is received after the station
+ * has already been added.
+ */
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
+ an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
+ sta->ht_cap.ampdu_factor);
+ density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density);
+ an->mpdudensity = density;
+ }
+
txtid->state |= AGGR_ADDBA_PROGRESS;
txtid->paused = true;
*ssn = txtid->seq_start = txtid->seq_next;