XFRMA_MARK
if (attrs[XFRMA_MARK])
memcpy(m, nla_data(attrs[XFRMA_MARK]), sizeof(struct xfrm_mark));
ret = nla_put(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m);
[XFRMA_MARK] = { .len = sizeof(struct xfrm_mark) },
case XFRMA_MARK:
[XFRMA_MARK] = { .len = sizeof(struct xfrm_mark) },