NL80211_ATTR_OFFCHANNEL_TX_OK
params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK))
[NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },