{
struct xgmac_priv *priv = netdev_priv(dev);
- netif_stop_queue(dev);
-
if (readl(priv->base + XGMAC_DMA_INTR_ENA))
napi_disable(&priv->napi);
writel(0, priv->base + XGMAC_DMA_INTR_ENA);
+ netif_tx_disable(dev);
+
/* Disable the MAC core */
xgmac_mac_disable(priv->base);
}
old_mtu = dev->mtu;
- dev->mtu = new_mtu;
/* return early if the buffer sizes will not change */
- if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN)
- return 0;
if (old_mtu == new_mtu)
return 0;
if (!netif_running(dev))
return 0;
- /* Bring the interface down and then back up */
+ /* Bring interface down, change mtu and bring interface back up */
xgmac_stop(dev);
+ dev->mtu = new_mtu;
return xgmac_open(dev);
}