diff options
| author | Eyal Shapira <eyal@wizery.com> | 2013-11-03 10:04:08 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2013-12-17 19:39:39 +0200 |
| commit | 48e6de611772c1d259f349638d1371c32c28f15f (patch) | |
| tree | 8a3c75c39728b28d2c258c097dfe3ddaf6acbc59 /drivers/net | |
| parent | 183d281d268b92a381d53581415344329fee444d (diff) | |
iwlwifi: set VHT beamformee STS cap correctly
It was set to zero which reflects support of a single STS.
Set according to the number of Rx antennas which correctly
reflects the number of STSs the STA can receive in a VHT NDP.
This improves beamforming and has been tested to improve Rx
throughput.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-nvm-parse.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index 94aef22df73..e366f128a55 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -263,11 +263,14 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, struct iwl_nvm_data *data, struct ieee80211_sta_vht_cap *vht_cap) { + int bf_sts_cap = num_of_ant(data->valid_rx_ant) - 1; + vht_cap->vht_supported = true; vht_cap->cap = IEEE80211_VHT_CAP_SHORT_GI_80 | IEEE80211_VHT_CAP_RXSTBC_1 | IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE | + bf_sts_cap << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT | 7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT; if (iwlwifi_mod_params.amsdu_size_8K) |