mac_disable
.disable = mac_disable,
mac_drv->mac_disable = hns_gmac_disable;
mac_ctrl_drv->mac_disable(mac_cb->priv.mac, mode);
if (mac_ctrl_drv->mac_disable)
mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
void (*mac_disable)(void *mac_drv, enum mac_commom_mode mode);
mac_drv->mac_disable = hns_xgmac_disable;