> > Not yet. At the moment enum nl80211_ap_sme_features in uapi/linux/nl80211.h > > is commented out. For MAC-based ACL the following things are being checked > > on wiphy registration: complete flag WIPHY_FLAG_HAVE_AP_SME, non-zero > > max_acl_mac_addrs, and set_mac_acl cfg80211 callback. > > I guess that's enough then? Userspace can check max_acl_mac_addrs as > well, so it can just use that? Correct, that is what hostapd is doing. I was simply surprised by the fact that MAC-based ACL support implies full-fledged AP SME support. Though your almost convinced me that this is ok and other wireless cards simply do not exist. Regards, Sergey