wifi: mac80211: add EHT MU-MIMO related flags in ieee80211_bss_conf

Similar to VHT/HE. This is utilized to pass MU-MIMO configurations
from user space (i.e. hostapd) to driver.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Link: https://lore.kernel.org/r/8d9966c4c1e77cb1ade77d42bdc49905609192e9.1676628065.git.ryder.lee@mediatek.com
[move into combined if statement, reset on !eht]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

include/net/mac80211.h

@@ -674,6 +674,12 @@ struct ieee80211_fils_discovery {
  * @he_full_ul_mumimo: does this BSS support the reception (AP) or transmission
  *	(non-AP STA) of an HE TB PPDU on an RU that spans the entire PPDU
  *	bandwidth
+ * @eht_su_beamformer: in AP-mode, does this BSS enable operation as an EHT SU
+ *	beamformer
+ * @eht_su_beamformee: in AP-mode, does this BSS enable operation as an EHT SU
+ *	beamformee
+ * @eht_mu_beamformer: in AP-mode, does this BSS enable operation as an EHT MU
+ *	beamformer
  */
 struct ieee80211_bss_conf {
 	struct ieee80211_vif *vif;
@@ -761,6 +767,9 @@ struct ieee80211_bss_conf {
 	bool he_su_beamformee;
 	bool he_mu_beamformer;
 	bool he_full_ul_mumimo;
+	bool eht_su_beamformer;
+	bool eht_su_beamformee;
+	bool eht_mu_beamformer;
 };
 
 /**

net/mac80211/cfg.c

@@ -1299,6 +1299,22 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 	if (params->eht_cap) {
 		link_conf->eht_puncturing = params->punct_bitmap;
 		changed |= BSS_CHANGED_EHT_PUNCTURING;
+
+		link_conf->eht_su_beamformer =
+			params->eht_cap->fixed.phy_cap_info[0] &
+				IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER;
+		link_conf->eht_su_beamformee =
+			params->eht_cap->fixed.phy_cap_info[0] &
+				IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
+		link_conf->eht_mu_beamformer =
+			params->eht_cap->fixed.phy_cap_info[7] &
+				(IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
+				 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
+				 IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ);
+	} else {
+		link_conf->eht_su_beamformer = false;
+		link_conf->eht_su_beamformee = false;
+		link_conf->eht_mu_beamformer = false;
 	}
 
 	if (sdata->vif.type == NL80211_IFTYPE_AP &&