diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index b3b076a46d50..13b247d26544 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -961,6 +961,7 @@ struct station_info { * @MONITOR_FLAG_CONTROL: pass control frames * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering * @MONITOR_FLAG_COOK_FRAMES: report frames after processing + * @MONITOR_FLAG_ACTIVE: active monitor, ACKs frames on its MAC address */ enum monitor_flags { MONITOR_FLAG_FCSFAIL = 1<wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) + return -EOPNOTSUPP; + if (change) err = cfg80211_change_iface(rdev, dev, ntype, flags, ¶ms); else @@ -2395,6 +2400,11 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, &flags); + + if (!err && (flags & NL80211_MNTR_FLAG_ACTIVE) && + !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) + return -EOPNOTSUPP; + wdev = rdev_add_virtual_intf(rdev, nla_data(info->attrs[NL80211_ATTR_IFNAME]), type, err ? NULL : &flags, ¶ms);