if (prefix->valid_until)
blobmsg_add_u32(&b, "valid", prefix->valid_until - now);
+ blobmsg_add_string(&b, "class", prefix->pclass);
+
c = blobmsg_open_table(&b, "assigned");
struct device_prefix_assignment *assign;
list_for_each_entry(assign, &prefix->assignments, head) {