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authorShaul Triebitz <shaul.triebitz@intel.com>2020-05-28 21:34:37 +0200
committerJohannes Berg <johannes.berg@intel.com>2020-05-31 11:26:59 +0200
commit3b3ec3d52e8f72ec8c40477b96f23440a89000be (patch)
treef77426206e331a0820cced9834505054c945bb27 /include
parent57fa5e85d53ce51e0cb06a7f320b79377d0fbe5f (diff)
downloadlinux-3b3ec3d52e8f72ec8c40477b96f23440a89000be.tar.bz2
mac80211: check the correct bit for EMA AP
An AP supporting EMA (Enhanced Multi-BSSID advertisement) should set bit 83 in the extended capabilities IE (9.4.2.26 in the 802.11ax D5 spec). So the *3rd* bit of the 10th byte should be checked. Also, in one place, the wrong byte was checked. (cfg80211_find_ie returns a pointer to the beginning of the IE, so the data really starts at ie[2], so the 10th byte should be ie[12]. To avoid this confusion, use cfg80211_find_elem instead). Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com> Link: https://lore.kernel.org/r/20200528213443.4316121fa2a3.I9745582f8d41ad8e689dac0fefcd70b276d7c1ea@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ieee80211.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 9580dfd9e2d1..1ecfd19f836d 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -3082,7 +3082,7 @@ enum ieee80211_tdls_actioncode {
#define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
/* Defines support for enhanced multi-bssid advertisement*/
-#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1)
+#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
/* TDLS specific payload type in the LLC/SNAP header */
#define WLAN_TDLS_SNAP_RFTYPE 0x2