@@ -1458,13 +1458,49 @@ static void ath11k_peer_assoc_h_he(struct ath11k *ar,
struct peer_assoc_params *arg)
{
const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
- u8 ampdu_factor;
- u16 v;
+ u8 ampdu_factor, max_nss, rx_mcs_80, rx_mcs_160;
+ u16 v, mcs_160_map, mcs_80_map;
+ int i;
+ bool support_160;
if (!he_cap->has_he)
return;
arg->he_flag = true;
+ support_160 = !!(he_cap->he_cap_elem.phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G);
+
+ /* Supported HE-MCS and NSS Set of peer he_cap is intersection with self he_cp */
+ mcs_160_map =
+ le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);
+ mcs_80_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);
+
+ if (support_160) {
+ for (i = 7; i >= 0; i--) {
+ u8 mcs_160 = (mcs_160_map >> (2 * i)) & 3;
+
+ if (mcs_160 != IEEE80211_VHT_MCS_NOT_SUPPORTED) {
+ rx_mcs_160 = i + 1;
+ break;
+ }
+ }
+ }
+
+ for (i = 7; i >= 0; i--) {
+ u8 mcs_80 = (mcs_80_map >> (2 * i)) & 3;
+
+ if (mcs_80 != IEEE80211_VHT_MCS_NOT_SUPPORTED) {
+ rx_mcs_80 = i + 1;
+ break;
+ }
+ }
+
+ if (support_160)
+ max_nss = min(rx_mcs_80, rx_mcs_160);
+ else
+ max_nss = rx_mcs_80;
+
+ arg->peer_nss = min(sta->rx_nss, max_nss);
memcpy(&arg->peer_he_cap_macinfo, he_cap->he_cap_elem.mac_cap_info,
sizeof(arg->peer_he_cap_macinfo));
When connected to 6G mode AP, it does not have VHT/HT capabilities, so the NSS is not set, then it is 1 by default. This patch is to calculate the NSS with supported HE-MCS and NSS set of HE capabilities. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01280-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1 Signed-off-by: Wen Gong <quic_wgong@quicinc.com> --- drivers/net/wireless/ath/ath11k/mac.c | 40 +++++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 2 deletions(-)