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66 From: Pradeep Kumar Chitrapu <quic_pradeepc@quicinc.com>
67 To: <ath12k@lists.infradead.org>
68 CC: <linux-wireless@vger.kernel.org>,
69 Pradeep Kumar Chitrapu
70 <quic_pradeepc@quicinc.com>,
71 Muna Sinada <quic_msinada@quicinc.com>,
72 "Jeff
73 Johnson" <quic_jjohnson@quicinc.com>
74 Subject: [PATCH ath-next V14 3/9] wifi: ath12k: move HE MCS mapper to a
75 separate function
76 Date: Wed, 21 May 2025 15:45:33 -0700
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112 route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505160000
113 definitions=main-2505210226
114
115 Refactor the HE MCS mapper functionality in
116 ath12k_mac_copy_he_cap() into a new function.
117
118 This helps improve readability, extensibility and will be used
119 when adding support for 160 MHz bandwidth in subsequent patches.
120
121 Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
122
123 Co-developed-by: Muna Sinada <quic_msinada@quicinc.com>
124 Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
125 Signed-off-by: Pradeep Kumar Chitrapu <quic_pradeepc@quicinc.com>
126 Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
127 ---
128 drivers/net/wireless/ath/ath12k/mac.c | 22 ++++++++++++++--------
129 1 file changed, 14 insertions(+), 8 deletions(-)
130
131 --- a/drivers/net/wireless/ath/ath12k/mac.c
132 +++ b/drivers/net/wireless/ath/ath12k/mac.c
133 @@ -6786,12 +6786,24 @@ static __le16 ath12k_mac_setup_he_6ghz_c
134 return cpu_to_le16(bcap->he_6ghz_capa);
135 }
136
137 +static void ath12k_mac_set_hemcsmap(struct ath12k_band_cap *band_cap,
138 + struct ieee80211_sta_he_cap *he_cap)
139 +{
140 + struct ieee80211_he_mcs_nss_supp *mcs_nss = &he_cap->he_mcs_nss_supp;
141 +
142 + mcs_nss->rx_mcs_80 = cpu_to_le16(band_cap->he_mcs & 0xffff);
143 + mcs_nss->tx_mcs_80 = cpu_to_le16(band_cap->he_mcs & 0xffff);
144 + mcs_nss->rx_mcs_160 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
145 + mcs_nss->tx_mcs_160 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
146 + mcs_nss->rx_mcs_80p80 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
147 + mcs_nss->tx_mcs_80p80 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
148 +}
149 +
150 static void ath12k_mac_copy_he_cap(struct ath12k_band_cap *band_cap,
151 int iftype, u8 num_tx_chains,
152 struct ieee80211_sta_he_cap *he_cap)
153 {
154 struct ieee80211_he_cap_elem *he_cap_elem = &he_cap->he_cap_elem;
155 - struct ieee80211_he_mcs_nss_supp *mcs_nss = &he_cap->he_mcs_nss_supp;
156
157 he_cap->has_he = true;
158 memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info,
159 @@ -6829,13 +6841,7 @@ static void ath12k_mac_copy_he_cap(struc
160 break;
161 }
162
163 - mcs_nss->rx_mcs_80 = cpu_to_le16(band_cap->he_mcs & 0xffff);
164 - mcs_nss->tx_mcs_80 = cpu_to_le16(band_cap->he_mcs & 0xffff);
165 - mcs_nss->rx_mcs_160 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
166 - mcs_nss->tx_mcs_160 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
167 - mcs_nss->rx_mcs_80p80 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
168 - mcs_nss->tx_mcs_80p80 = cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
169 -
170 + ath12k_mac_set_hemcsmap(band_cap, he_cap);
171 memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
172 if (he_cap_elem->phy_cap_info[6] &
173 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
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