IFF_NAPI
IFF_MULTI_QUEUE | IFF_NAPI | IFF_NAPI_FRAGS)
if (!(ifr->ifr_flags & IFF_NAPI) ||
ifr->ifr_flags & IFF_NAPI,
ret = tun_attach(tun, file, false, tun->flags & IFF_NAPI,
err = tun_attach(tun, tun->file, false, ifr->ifr_flags & IFF_NAPI,
.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_NAPI | IFF_NAPI_FRAGS,
ifr.ifr_flags |= IFF_NAPI | IFF_NAPI_FRAGS;
ifr.ifr_flags = IFF_TAP | IFF_NAPI | IFF_MULTI_QUEUE;