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mac80211: ignore frames between TDLS peers when operating as AP

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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>
This commit is contained in:
Arik Nemtsov 2014-07-17 17:14:30 +03:00 committed by Johannes Berg
parent c72e114046
commit db8e173245
1 changed files with 8 additions and 0 deletions
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8
net/mac80211/rx.c
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@ -3129,6 +3129,14 @@ static bool prepare_for_handlers(struct ieee80211_rx_data *rx,
if (!ieee80211_is_beacon(hdr->frame_control)) if (!ieee80211_is_beacon(hdr->frame_control))
return false; return false;
status->rx_flags &= ~IEEE80211_RX_RA_MATCH; 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; break;
case NL80211_IFTYPE_WDS: case NL80211_IFTYPE_WDS: