IOAM6_ATTR_SC_DATA
if (!info->attrs[IOAM6_ATTR_SC_ID] || !info->attrs[IOAM6_ATTR_SC_DATA])
len = nla_len(info->attrs[IOAM6_ATTR_SC_DATA]);
nla_memcpy(sc->data, info->attrs[IOAM6_ATTR_SC_DATA], len);
nla_put(skb, IOAM6_ATTR_SC_DATA, sc->len, sc->data))
[IOAM6_ATTR_SC_DATA] = { .type = NLA_BINARY,