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Commit db8e1732 authored Jul 17, 2014 by Arik Nemtsov Committed by Johannes Berg Jul 21, 2014

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: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes 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: