From: Shaul Triebitz Date: Thu, 28 May 2020 19:34:37 +0000 (+0200) Subject: mac80211: check the correct bit for EMA AP X-Git-Url: https://jxself.org/git/?p=carl9170fw.git;a=commitdiff_plain;h=02b0989fc0337cb39b15c231bedc997e5cd9ed79 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 Link: https://lore.kernel.org/r/20200528213443.4316121fa2a3.I9745582f8d41ad8e689dac0fefcd70b276d7c1ea@changeid Signed-off-by: Johannes Berg Signed-off-by: Christian Lamparter --- diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 7517aec..6e836fd 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -3101,7 +3101,7 @@ 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