diff options
| author | Sujith | 2009-01-23 06:50:44 +0100 |
|---|---|---|
| committer | John W. Linville | 2009-01-29 22:01:22 +0100 |
| commit | eb2599ca25be212bd37dd3e90ef13ea45758e838 (patch) | |
| tree | 612aba0899a61b012c140a689c96d1edf93fcf33 /drivers/net/wireless/ath9k/main.c | |
| parent | ath9k: Read and write the TSF via debugfs (diff) | |
| download | kernel-qcow2-linux-eb2599ca25be212bd37dd3e90ef13ea45758e838.tar.gz kernel-qcow2-linux-eb2599ca25be212bd37dd3e90ef13ea45758e838.tar.xz kernel-qcow2-linux-eb2599ca25be212bd37dd3e90ef13ea45758e838.zip | |
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: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath9k/main.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/main.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index 561a2c3adbbe..15a7f90bc84b 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -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_MPDUDENSITY_8 0x6 /* 8 usec */ @@ -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_density = ATH9K_HT_CAP_MPDUDENSITY_8; + /* set up supported mcs set */ 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; } @@ -1549,9 +1562,9 @@ int ath_attach(u16 devid, struct ath_softc *sc) hw->rate_control_algorithm = "ath9k_rate_control"; 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)) - 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]; |