From: Vivek Natarajan <nataraja@qti.qualcomm.com>
To: <kvalo@qca.qualcomm.com>
Cc: <linux-wireless@vger.kernel.org>, <ath10k@lists.infradead.org>
Subject: [PATCH 2/2] ath10k: Enable MU MIMO txbf support for QCA99X0
Date: Tue, 4 Aug 2015 10:45:12 +0530 [thread overview]
Message-ID: <1438665312-2768-2-git-send-email-nataraja@qti.qualcomm.com> (raw)
In-Reply-To: <1438665312-2768-1-git-send-email-nataraja@qti.qualcomm.com>
This patch enables MU-MIMO transmit beamforming support
for QCA99X0 chipsets.
Signed-off-by: Vivek Natarajan <nataraja@qti.qualcomm.com>
---
drivers/net/wireless/ath/ath10k/mac.c | 44 +++++++++++++++++++++++++++++++++++
drivers/net/wireless/ath/ath10k/wmi.h | 5 ++++
2 files changed, 49 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 4eb29aa..aaec5e2 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4046,6 +4046,43 @@ 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,
@@ -4272,6 +4309,13 @@ 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 */
--
1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Vivek Natarajan <nataraja@qti.qualcomm.com>
To: kvalo@qca.qualcomm.com
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: [PATCH 2/2] ath10k: Enable MU MIMO txbf support for QCA99X0
Date: Tue, 4 Aug 2015 10:45:12 +0530 [thread overview]
Message-ID: <1438665312-2768-2-git-send-email-nataraja@qti.qualcomm.com> (raw)
In-Reply-To: <1438665312-2768-1-git-send-email-nataraja@qti.qualcomm.com>
This patch enables MU-MIMO transmit beamforming support
for QCA99X0 chipsets.
Signed-off-by: Vivek Natarajan <nataraja@qti.qualcomm.com>
---
drivers/net/wireless/ath/ath10k/mac.c | 44 +++++++++++++++++++++++++++++++++++
drivers/net/wireless/ath/ath10k/wmi.h | 5 ++++
2 files changed, 49 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 4eb29aa..aaec5e2 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -4046,6 +4046,43 @@ 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,
@@ -4272,6 +4309,13 @@ 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 */
--
1.9.1
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next prev parent reply other threads:[~2015-08-04 5:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-04 5:15 [PATCH 1/2] ath10k: Support different txbf configuration schemes Vivek Natarajan
2015-08-04 5:15 ` Vivek Natarajan
2015-08-04 5:15 ` Vivek Natarajan [this message]
2015-08-04 5:15 ` [PATCH 2/2] ath10k: Enable MU MIMO txbf support for QCA99X0 Vivek Natarajan
2015-08-13 11:21 ` [PATCH 1/2] ath10k: Support different txbf configuration schemes Kalle Valo
2015-08-13 11:21 ` Kalle Valo
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