diff options
| author | Vivek Natarajan <nataraja@qti.qualcomm.com> | 2015-08-04 10:45:12 +0530 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2015-08-13 14:21:18 +0300 |
| commit | a48e2cc8992a13a58cff04e54e05f959d418554b (patch) | |
| tree | 4f5bf3fdd615e11bdcef3b08c3ed8843da12104e /drivers/net/wireless | |
| parent | 08e75ea84cb595c52f140049fcf6362679473592 (diff) | |
| download | op-kernel-dev-a48e2cc8992a13a58cff04e54e05f959d418554b.zip op-kernel-dev-a48e2cc8992a13a58cff04e54e05f959d418554b.tar.gz | |
ath10k: Enable MU MIMO txbf support for QCA99X0
This patch enables MU-MIMO transmit beamforming support
for QCA99X0 chipsets.
Signed-off-by: Vivek Natarajan <nataraja@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 44 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/wmi.h | 5 |
2 files changed, 49 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 1865e45..53c627a 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4032,6 +4032,43 @@ static u32 get_nss_from_chainmask(u16 chain_mask) return 1; } +static int ath10k_mac_set_txbf_conf(struct ath10k_vif *arvif) +{ + u32 value = 0; + struct ath10k *ar = arvif->ar; + + if (ath10k_wmi_get_txbf_conf_scheme(ar) != WMI_TXBF_CONF_BEFORE_ASSOC) + return 0; + + 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); + + if (ar->vht_cap_info & (IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE | + IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE)) + value |= SM((ar->num_rf_chains - 1), WMI_BF_SOUND_DIM_OFFSET); + + if (!value) + return 0; + + if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE) + value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFER; + + if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE) + value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFER | + WMI_VDEV_PARAM_TXBF_SU_TX_BFER); + + if (ar->vht_cap_info & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) + value |= WMI_VDEV_PARAM_TXBF_SU_TX_BFEE; + + if (ar->vht_cap_info & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE) + value |= (WMI_VDEV_PARAM_TXBF_MU_TX_BFEE | + WMI_VDEV_PARAM_TXBF_SU_TX_BFEE); + + return ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, + ar->wmi.vdev_param->txbf, value); +} + /* * TODO: * Figure out how to handle WMI_VDEV_SUBTYPE_P2P_DEVICE, @@ -4258,6 +4295,13 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, } } + ret = ath10k_mac_set_txbf_conf(arvif); + if (ret) { + ath10k_warn(ar, "failed to set txbf for vdev %d: %d\n", + arvif->vdev_id, ret); + goto err_peer_delete; + } + ret = ath10k_mac_set_rts(arvif, ar->hw->wiphy->rts_threshold); if (ret) { ath10k_warn(ar, "failed to set rts threshold for vdev %d: %d\n", diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 754cc33..232500a 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -4628,6 +4628,11 @@ enum wmi_10_4_vdev_param { #define WMI_VDEV_PARAM_TXBF_SU_TX_BFER BIT(2) #define WMI_VDEV_PARAM_TXBF_MU_TX_BFER BIT(3) +#define WMI_TXBF_STS_CAP_OFFSET_LSB 4 +#define WMI_TXBF_STS_CAP_OFFSET_MASK 0xf0 +#define WMI_BF_SOUND_DIM_OFFSET_LSB 8 +#define WMI_BF_SOUND_DIM_OFFSET_MASK 0xf00 + /* slot time long */ #define WMI_VDEV_SLOT_TIME_LONG 0x1 /* slot time short */ |
