Commit eb2599ca authored by Sujith's avatar Sujith Committed by John W. Linville

ath9k: Fix MCS rates registration bug for AR9285

AR9285 based devices support only single stream MCS rates.
This patch fixes a bug where dual stream stream rates were
also being registered.
Signed-off-by: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 27abe060
...@@ -854,7 +854,8 @@ static void ath_key_delete(struct ath_softc *sc, struct ieee80211_key_conf *key) ...@@ -854,7 +854,8 @@ static void ath_key_delete(struct ath_softc *sc, struct ieee80211_key_conf *key)
} }
} }
static void setup_ht_cap(struct ieee80211_sta_ht_cap *ht_info) static void setup_ht_cap(struct ath_softc *sc,
struct ieee80211_sta_ht_cap *ht_info)
{ {
#define ATH9K_HT_CAP_MAXRXAMPDU_65536 0x3 /* 2 ^ 16 */ #define ATH9K_HT_CAP_MAXRXAMPDU_65536 0x3 /* 2 ^ 16 */
#define ATH9K_HT_CAP_MPDUDENSITY_8 0x6 /* 8 usec */ #define ATH9K_HT_CAP_MPDUDENSITY_8 0x6 /* 8 usec */
...@@ -867,10 +868,22 @@ static void setup_ht_cap(struct ieee80211_sta_ht_cap *ht_info) ...@@ -867,10 +868,22 @@ static void setup_ht_cap(struct ieee80211_sta_ht_cap *ht_info)
ht_info->ampdu_factor = ATH9K_HT_CAP_MAXRXAMPDU_65536; ht_info->ampdu_factor = ATH9K_HT_CAP_MAXRXAMPDU_65536;
ht_info->ampdu_density = ATH9K_HT_CAP_MPDUDENSITY_8; ht_info->ampdu_density = ATH9K_HT_CAP_MPDUDENSITY_8;
/* set up supported mcs set */ /* set up supported mcs set */
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
ht_info->mcs.rx_mask[0] = 0xff;
ht_info->mcs.rx_mask[1] = 0xff; switch(sc->sc_rx_chainmask) {
case 1:
ht_info->mcs.rx_mask[0] = 0xff;
break;
case 5:
case 7:
default:
ht_info->mcs.rx_mask[0] = 0xff;
ht_info->mcs.rx_mask[1] = 0xff;
break;
}
ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
} }
...@@ -1549,9 +1562,9 @@ int ath_attach(u16 devid, struct ath_softc *sc) ...@@ -1549,9 +1562,9 @@ int ath_attach(u16 devid, struct ath_softc *sc)
hw->rate_control_algorithm = "ath9k_rate_control"; hw->rate_control_algorithm = "ath9k_rate_control";
if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) { if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) {
setup_ht_cap(&sc->sbands[IEEE80211_BAND_2GHZ].ht_cap); setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes)) if (test_bit(ATH9K_MODE_11A, sc->sc_ah->ah_caps.wireless_modes))
setup_ht_cap(&sc->sbands[IEEE80211_BAND_5GHZ].ht_cap); setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
} }
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &sc->sbands[IEEE80211_BAND_2GHZ]; hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &sc->sbands[IEEE80211_BAND_2GHZ];
......
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