if_output_tso
int if_output_tso(struct ifnet *, struct mbuf **, struct sockaddr *,
if (if_output_tso(ifp, &m0, sintosa(dst), rt, ifp->if_mtu) ||
if (if_output_tso(ifp, &m0, sin6tosa(dst), rt, ifp->if_mtu) ||
error = if_output_tso(ifp, &m, sintosa(dst), ro->ro_rt, mtu);
error = if_output_tso(ifp, &m, dst, rt, ifp->if_mtu);
error = if_output_tso(ifp, &m, sin6tosa(dst), ro->ro_rt,