TCA_CAKE_FWMARK
[TCA_CAKE_FWMARK] = { .type = NLA_U32 },
if (tb[TCA_CAKE_FWMARK]) {
WRITE_ONCE(q->fwmark_mask, nla_get_u32(tb[TCA_CAKE_FWMARK]));
if (nla_put_u32(skb, TCA_CAKE_FWMARK, READ_ONCE(q->fwmark_mask)))