fxp_npoll
if (sc->fxp_npoll.ifpc_stcount-- == 0) {
sc->fxp_npoll.ifpc_stcount = sc->fxp_npoll.ifpc_stfrac;
int cpuid = sc->fxp_npoll.ifpc_cpuid;
sc->fxp_npoll.ifpc_stcount = 0;
sc->fxp_npoll.ifpc_stcount = 0;
static void fxp_npoll(struct ifnet *, struct ifpoll_info *);
ifp->if_npoll = fxp_npoll;
ifpoll_compat_setup(&sc->fxp_npoll, ctx, (struct sysctl_oid *)tree,
struct ifpoll_compat fxp_npoll; /* polling */