On 27 August 2015 at 14:47, Michal Kazior <michal.kazior@xxxxxxxxx> wrote:
> From: Bartosz Markowski <bartosz.markowski@xxxxxxxxx>
>
> All beamformee supporting chips have the ability to support
> VHT NDP in up to 4 STSs. Change the published beamformee
> STS cap accordingly to 3 as it should be Nsts-1.
>
> This makes it possible to actually make full use
> of. e.g. a 4SS MU-MIMO capable AP.
>
> Signed-off-by: Bartosz Markowski <bartosz.markowski@xxxxxxxxx>
> Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
> ---
Kalle, please drop this one for now. It looks like we need to discuss
about this a bit more still.
> drivers/net/wireless/ath/ath10k/mac.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
> index 64674c955d44..54ced30f5364 100644
> --- a/drivers/net/wireless/ath/ath10k/mac.c
> +++ b/drivers/net/wireless/ath/ath10k/mac.c
> @@ -4074,7 +4074,7 @@ static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif)
>
> if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
> IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE))
> - value |= SM((ar->num_rf_chains - 1), WMI_TXBF_STS_CAP_OFFSET);
> + value |= SM(3, WMI_TXBF_STS_CAP_OFFSET);
>
> if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
> IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE))
> @@ -6804,7 +6804,7 @@ static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
>
> if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
> IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE)) {
> - val = ar->num_rf_chains - 1;
> + val = 3;
> val <<= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
> val &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
>
> --
> 2.1.4
>
--
Bartosz
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