rl_npoll
if (sc->rl_npoll.ifpc_stcount-- == 0) {
sc->rl_npoll.ifpc_stcount = sc->rl_npoll.ifpc_stfrac;
int cpuid = sc->rl_npoll.ifpc_cpuid;
sc->rl_npoll.ifpc_stcount = 0;
sc->rl_npoll.ifpc_stcount = 0;
static void rl_npoll(struct ifnet *, struct ifpoll_info *);
ifp->if_npoll = rl_npoll;
ifpoll_compat_setup(&sc->rl_npoll, NULL, NULL, device_get_unit(dev),
struct ifpoll_compat rl_npoll;