mcs_get_flowid_stats
M(MCS_GET_FLOWID_STATS, 0xa00c, mcs_get_flowid_stats, mcs_stats_req, \
mcs_get_flowid_stats(mcs, &flowid_st, id, dir);
void mcs_get_flowid_stats(struct mcs *mcs, struct mcs_flowid_stats *stats, int id, int dir);
mcs_get_flowid_stats(mcs, rsp, req->id, req->dir);
mcs_get_flowid_stats(mcs, &stats, flow_id, dir);