bfi_enet_ucast_req
struct bfi_enet_ucast_req *req = &rxf->bfi_enet_cmd.ucast_req;
bfi_msgq_num_cmd_entries(sizeof(struct bfi_enet_ucast_req)));
sizeof(struct bfi_enet_ucast_req), &req->mh);
struct bfi_enet_ucast_req ucast_req;