Commit 70a3fd6c authored Mar 12, 2015 by Johannes Berg

mac80211: ask for ECSA IE to be considered for beacon parse CRC

When a beacon from the AP contains only the ECSA IE, and not a CSA IE
as well, this ECSA IE is not considered for calculating the CRC and
the beacon might be dropped as not being interesting. This is clearly
wrong, it should be handled and the channel switch should be executed.

Fix this by including the ECSA IE ID in the bitmap of interesting IEs.

Reported-by: Gil Tribush <gil.tribush@intel.com>
Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 0f611d28

net/mac80211/mlme.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -3204,7 +3204,8 @@ static const u64 care_about_ies =
		(1ULL << WLAN_EID_CHANNEL_SWITCH) \|
		(1ULL << WLAN_EID_PWR_CONSTRAINT) \|
		(1ULL << WLAN_EID_HT_CAPABILITY) \|
		(1ULL << WLAN_EID_HT_OPERATION);
		(1ULL << WLAN_EID_HT_OPERATION) \|
		(1ULL << WLAN_EID_EXT_CHANSWITCH_ANN);

		static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
		struct ieee80211_mgmt *mgmt, size_t len,

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