NIOCCTRL
if (ioctl(d->fd, NIOCCTRL, &d->hdr) < 0) {
if (ioctl(fd, NIOCCTRL, &gh) < 0) {
case NIOCCTRL: {
error = netmap_ioctl(priv, NIOCCTRL, (caddr_t)hdr, td,
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
ret = ioctl(ctx->fd, NIOCCTRL, &hdr);
err = ioctl(g->main_fd, NIOCCTRL, &hdr);
err = ioctl(g->main_fd, NIOCCTRL, &hdr);
error = ioctl(fd, NIOCCTRL, hdr);
error = ioctl(fd, NIOCCTRL, &hdr);