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mac80211: accept deauth frames in IBSS mode
[ Upstream commit95697f9907
] We can process deauth frames and all, but we drop them very early in the RX path today - this could never have worked. Fixes:2cc59e784b
("mac80211: reply to AUTH with DEAUTH if sta allocation fails in IBSS") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/20191004123706.15768-2-luca@coelho.fi Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 10 additions and 1 deletions
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@ -3227,9 +3227,18 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
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case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
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/* process for all: mesh, mlme, ibss */
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break;
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case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
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if (is_multicast_ether_addr(mgmt->da) &&
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!is_broadcast_ether_addr(mgmt->da))
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return RX_DROP_MONITOR;
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/* process only for station/IBSS */
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if (sdata->vif.type != NL80211_IFTYPE_STATION &&
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sdata->vif.type != NL80211_IFTYPE_ADHOC)
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return RX_DROP_MONITOR;
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break;
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case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
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case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
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case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
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case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
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if (is_multicast_ether_addr(mgmt->da) &&
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!is_broadcast_ether_addr(mgmt->da))
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