Commit db8e1732 authored by Arik Nemtsov's avatar Arik Nemtsov Committed by Johannes Berg
Browse files

mac80211: ignore frames between TDLS peers when operating as AP 



If the AP receives actions frames destined for other peers, it may
mistakenly toggle BA-sessions from itself to a peer.
Ignore TDLS data packets as well - the AP should not handle them.

Signed-off-by: default avatarArik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent c72e1140

net/mac80211/rx.c

+8 −0
Original line number Diff line number Diff line
@@ -3129,6 +3129,14 @@ static bool prepare_for_handlers(struct ieee80211_rx_data *rx, 
			if (!ieee80211_is_beacon(hdr->frame_control))

				return false;

			status->rx_flags &= ~IEEE80211_RX_RA_MATCH;

		} else if (!ieee80211_has_tods(hdr->frame_control)) {

			/* ignore data frames to TDLS-peers */

			if (ieee80211_is_data(hdr->frame_control))

				return false;

			/* ignore action frames to TDLS-peers */

			if (ieee80211_is_action(hdr->frame_control) &&

			    !ether_addr_equal(bssid, hdr->addr1))

				return false;

		}

		break;

	case NL80211_IFTYPE_WDS:

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