diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 12 |
3 files changed, 17 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index a8c050085648..4473278efc5e 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -721,6 +721,7 @@ extern int ath9k_modparam_nohwcrypt; extern int led_blink; extern bool is_ath9k_unloaded; +u8 ath9k_parse_mpdudensity(u8 mpdudensity); irqreturn_t ath_isr(int irq, void *dev); int ath9k_init_device(u16 devid, struct ath_softc *sc, const struct ath_bus_ops *bus_ops); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 85f9ab4fa26e..e2e69585d674 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -19,7 +19,7 @@ #include "ath9k.h" #include "btcoex.h" -static u8 parse_mpdudensity(u8 mpdudensity) +u8 ath9k_parse_mpdudensity(u8 mpdudensity) { /* * 802.11n D2.0 defined values for "Minimum MPDU Start Spacing": @@ -320,6 +320,7 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta, struct ieee80211_vif *vif) { struct ath_node *an; + u8 density; an = (struct ath_node *)sta->drv_priv; #ifdef CONFIG_ATH9K_DEBUGFS @@ -334,7 +335,8 @@ static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta, ath_tx_node_init(sc, an); an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + sta->ht_cap.ampdu_factor); - an->mpdudensity = parse_mpdudensity(sta->ht_cap.ampdu_density); + density = ath9k_parse_mpdudensity(sta->ht_cap.ampdu_density); + an->mpdudensity = density; } } diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index f777ddcd1172..2afc5e289df5 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1175,6 +1175,7 @@ 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); @@ -1182,6 +1183,17 @@ 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; |