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openwrt_mitrastar/package/kernel/mac80211/patches/ath12k/104-2-wifi-ath12k-push-EHT-MU-MIMO-params-to-hardware.patch
Mantas Pucka 9e3a2466f6 mac80211: ath12k: add patches for 160MHz support 
Add series enabling 160MHz channels on ath12k

Signed-off-by: Mantas Pucka <mantas@8devices.com>
Link: https://github.com/openwrt/openwrt/pull/18459
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2025-04-12 10:38:53 +02:00

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From: Pradeep Kumar Chitrapu <quic_pradeepc@quicinc.com>
To: <ath12k@lists.infradead.org>
CC: <linux-wireless@vger.kernel.org>,
Pradeep Kumar Chitrapu
<quic_pradeepc@quicinc.com>,
Muna Sinada <quic_msinada@quicinc.com>,
"Jeff
Johnson" <quic_jjohnson@quicinc.com>
Subject: [PATCH V8 2/9] wifi: ath12k: push EHT MU-MIMO params to hardware
Date: Wed, 18 Sep 2024 14:20:49 -0700
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Currently, only the EHT IE in management frames is updated with
respect to MU-MIMO configurations, but this change is not
reflected in the hardware. Add support to propagate MU-MIMO
configurations to the hardware as well for AP mode. Similar
support for STA mode will be added in future.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Co-developed-by: Muna Sinada <quic_msinada@quicinc.com>
Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
Signed-off-by: Pradeep Kumar Chitrapu <quic_pradeepc@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
---
drivers/net/wireless/ath/ath12k/mac.c | 50 +++++++++++++++++++++++++++
drivers/net/wireless/ath/ath12k/wmi.h | 21 +++++++++++
2 files changed, 71 insertions(+)
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -2953,6 +2953,50 @@ static int ath12k_mac_vif_recalc_sta_he_
return 0;
}
+static int ath12k_mac_set_eht_txbf_conf(struct ath12k_vif *arvif)
+{
+ u32 param = WMI_VDEV_PARAM_SET_EHT_MU_MODE;
+ struct ath12k *ar = arvif->ar;
+ u32 value = 0;
+ int ret;
+
+ if (!arvif->vif->bss_conf.eht_support)
+ return 0;
+
+ if (arvif->vif->bss_conf.eht_su_beamformer) {
+ value |= u32_encode_bits(EHT_SU_BFER_ENABLE, EHT_MODE_SU_TX_BFER);
+ if (arvif->vif->bss_conf.eht_mu_beamformer &&
+ arvif->vdev_type == WMI_VDEV_TYPE_AP)
+ value |= u32_encode_bits(EHT_MU_BFER_ENABLE,
+ EHT_MODE_MU_TX_BFER) |
+ u32_encode_bits(EHT_DL_MUOFDMA_ENABLE,
+ EHT_MODE_DL_OFDMA_MUMIMO) |
+ u32_encode_bits(EHT_UL_MUOFDMA_ENABLE,
+ EHT_MODE_UL_OFDMA_MUMIMO);
+ }
+
+ if (arvif->vif->type != NL80211_IFTYPE_MESH_POINT) {
+ value |= u32_encode_bits(EHT_DL_MUOFDMA_ENABLE, EHT_MODE_DL_OFDMA) |
+ u32_encode_bits(EHT_UL_MUOFDMA_ENABLE, EHT_MODE_UL_OFDMA);
+
+ if (arvif->vif->bss_conf.eht_80mhz_full_bw_ul_mumimo)
+ value |= u32_encode_bits(EHT_UL_MUMIMO_ENABLE, EHT_MODE_MUMIMO);
+
+ if (arvif->vif->bss_conf.eht_su_beamformee)
+ value |= u32_encode_bits(EHT_SU_BFEE_ENABLE,
+ EHT_MODE_SU_TX_BFEE);
+ }
+
+ ret = ath12k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id, param, value);
+ if (ret) {
+ ath12k_warn(ar->ab, "failed to set vdev %d EHT MU mode: %d\n",
+ arvif->vdev_id, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static void ath12k_bss_assoc(struct ath12k *ar,
struct ath12k_vif *arvif,
struct ieee80211_bss_conf *bss_conf)
@@ -3351,6 +3395,12 @@ static void ath12k_mac_bss_info_changed(
ath12k_warn(ar->ab,
"failed to set HE TXBF config for vdev: %d\n",
arvif->vdev_id);
+
+ ret = ath12k_mac_set_eht_txbf_conf(arvif);
+ if (ret)
+ ath12k_warn(ar->ab,
+ "failed to set EHT TXBF config for vdev: %d\n",
+ arvif->vdev_id);
}
ath12k_control_beaconing(arvif, info);
--- a/drivers/net/wireless/ath/ath12k/wmi.h
+++ b/drivers/net/wireless/ath/ath12k/wmi.h
@@ -1139,6 +1139,7 @@ enum wmi_tlv_vdev_param {
WMI_VDEV_PARAM_BSS_COLOR,
WMI_VDEV_PARAM_SET_HEMU_MODE,
WMI_VDEV_PARAM_HEOPS_0_31 = 0x8003,
+ WMI_VDEV_PARAM_SET_EHT_MU_MODE = 0x8005,
};
enum wmi_tlv_peer_flags {
@@ -3012,6 +3013,26 @@ struct ath12k_wmi_rx_reorder_queue_remov
#define HE_MU_BFER_ENABLE 1
#define HE_SU_BFER_ENABLE 1
+#define EHT_MODE_SU_TX_BFEE BIT(0)
+#define EHT_MODE_SU_TX_BFER BIT(1)
+#define EHT_MODE_MU_TX_BFEE BIT(2)
+#define EHT_MODE_MU_TX_BFER BIT(3)
+#define EHT_MODE_DL_OFDMA BIT(4)
+#define EHT_MODE_UL_OFDMA BIT(5)
+#define EHT_MODE_MUMIMO BIT(6)
+#define EHT_MODE_DL_OFDMA_TXBF BIT(7)
+#define EHT_MODE_DL_OFDMA_MUMIMO BIT(8)
+#define EHT_MODE_UL_OFDMA_MUMIMO BIT(9)
+
+#define EHT_DL_MUOFDMA_ENABLE 1
+#define EHT_UL_MUOFDMA_ENABLE 1
+#define EHT_DL_MUMIMO_ENABLE 1
+#define EHT_UL_MUMIMO_ENABLE 1
+#define EHT_MU_BFEE_ENABLE 1
+#define EHT_SU_BFEE_ENABLE 1
+#define EHT_MU_BFER_ENABLE 1
+#define EHT_SU_BFER_ENABLE 1
+
#define HE_VHT_SOUNDING_MODE_ENABLE 1
#define HE_SU_MU_SOUNDING_MODE_ENABLE 1
#define HE_TRIG_NONTRIG_SOUNDING_MODE_ENABLE 1
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