NL802154_ATTR_CHANNEL
[NL802154_ATTR_CHANNEL] = NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_CHANNEL),
nla_put_u8(msg, NL802154_ATTR_CHANNEL,
!info->attrs[NL802154_ATTR_CHANNEL])
channel = nla_get_u8(info->attrs[NL802154_ATTR_CHANNEL]);