NL80211_STA_INFO_CHAIN_SIGNAL
if ((sinfo.filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) == 0 &&
(lsta->sinfo.filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) != 0) {
sinfo.filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL);
lsta->sinfo.filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL);