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difos/package/kernel/mac80211/patches/ath12k/104-4-wifi-ath12k-generate-rx-and-tx-mcs-maps-for-supported-HE-mcs.patch
Mieczyslaw Nalewaj 88f4c32060 mac80211: update to version 6.14.11 
Update to version 6.14.11

Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2025-07-05 14:43:08 +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 ath-next V14 4/9] wifi: ath12k: generate rx and tx mcs maps
for supported HE mcs
Date: Wed, 21 May 2025 15:45:34 -0700
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Generate rx and tx mcs maps in ath12k_mac_set_hemcsmap() based
on number of supported tx/rx chains and set them in supported
mcs/nss for HE capabilities.
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 | 40 ++++++++++++++++++++-------
1 file changed, 30 insertions(+), 10 deletions(-)
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -6786,20 +6786,40 @@ static __le16 ath12k_mac_setup_he_6ghz_c
return cpu_to_le16(bcap->he_6ghz_capa);
}
-static void ath12k_mac_set_hemcsmap(struct ath12k_band_cap *band_cap,
+static void ath12k_mac_set_hemcsmap(struct ath12k *ar,
+ struct ath12k_pdev_cap *cap,
struct ieee80211_sta_he_cap *he_cap)
{
struct ieee80211_he_mcs_nss_supp *mcs_nss = &he_cap->he_mcs_nss_supp;
+ u16 txmcs_map, rxmcs_map;
+ u32 i;
- mcs_nss->rx_mcs_80 = cpu_to_le16(band_cap->he_mcs & 0xffff);
- mcs_nss->tx_mcs_80 = cpu_to_le16(band_cap->he_mcs & 0xffff);
- mcs_nss->rx_mcs_160 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
- mcs_nss->tx_mcs_160 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
- mcs_nss->rx_mcs_80p80 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
- mcs_nss->tx_mcs_80p80 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+ rxmcs_map = 0;
+ txmcs_map = 0;
+ for (i = 0; i < 8; i++) {
+ if (i < ar->num_tx_chains &&
+ (ar->cfg_tx_chainmask >> cap->tx_chain_mask_shift) & BIT(i))
+ txmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);
+ else
+ txmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);
+
+ if (i < ar->num_rx_chains &&
+ (ar->cfg_rx_chainmask >> cap->tx_chain_mask_shift) & BIT(i))
+ rxmcs_map |= IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2);
+ else
+ rxmcs_map |= IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2);
+ }
+
+ mcs_nss->rx_mcs_80 = cpu_to_le16(rxmcs_map & 0xffff);
+ mcs_nss->tx_mcs_80 = cpu_to_le16(txmcs_map & 0xffff);
+ mcs_nss->rx_mcs_160 = cpu_to_le16(rxmcs_map & 0xffff);
+ mcs_nss->tx_mcs_160 = cpu_to_le16(txmcs_map & 0xffff);
+ mcs_nss->rx_mcs_80p80 = cpu_to_le16(rxmcs_map & 0xffff);
+ mcs_nss->tx_mcs_80p80 = cpu_to_le16(txmcs_map & 0xffff);
}
-static void ath12k_mac_copy_he_cap(struct ath12k_band_cap *band_cap,
+static void ath12k_mac_copy_he_cap(struct ath12k *ar,
+ struct ath12k_band_cap *band_cap,
int iftype, u8 num_tx_chains,
struct ieee80211_sta_he_cap *he_cap)
{
@@ -6841,7 +6861,7 @@ static void ath12k_mac_copy_he_cap(struc
break;
}
- ath12k_mac_set_hemcsmap(band_cap, he_cap);
+ ath12k_mac_set_hemcsmap(ar, &ar->pdev->cap, he_cap);
memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
if (he_cap_elem->phy_cap_info[6] &
IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
@@ -7030,7 +7050,7 @@ static int ath12k_mac_copy_sband_iftype_
data[idx].types_mask = BIT(i);
- ath12k_mac_copy_he_cap(band_cap, i, ar->num_tx_chains, he_cap);
+ ath12k_mac_copy_he_cap(ar, band_cap, i, ar->num_tx_chains, he_cap);
if (band == NL80211_BAND_6GHZ) {
data[idx].he_6ghz_capa.capa =
ath12k_mac_setup_he_6ghz_cap(cap, band_cap);
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