ethernet/sfc: use core min/max MTU checking
authorBert Kenward <bkenward@solarflare.com>
Tue, 18 Oct 2016 16:47:45 +0000 (17:47 +0100)
committerDavid S. Miller <davem@davemloft.net>
Tue, 18 Oct 2016 18:03:40 +0000 (14:03 -0400)
Fixes: 61e84623ace3 ("net: centralize net_device min/max MTU checking")
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/sfc/efx.c

index 3cf3557106c22f335ca5e04d2065e01d41056572..b626da6e80a59a1a8fd673554b66e38dee4219e9 100644 (file)
@@ -2263,18 +2263,6 @@ static int efx_change_mtu(struct net_device *net_dev, int new_mtu)
        rc = efx_check_disabled(efx);
        if (rc)
                return rc;
-       if (new_mtu > EFX_MAX_MTU) {
-               netif_err(efx, drv, efx->net_dev,
-                         "Requested MTU of %d too big (max: %d)\n",
-                         new_mtu, EFX_MAX_MTU);
-               return -EINVAL;
-       }
-       if (new_mtu < EFX_MIN_MTU) {
-               netif_err(efx, drv, efx->net_dev,
-                         "Requested MTU of %d too small (min: %d)\n",
-                         new_mtu, EFX_MIN_MTU);
-               return -EINVAL;
-       }
 
        netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu);
 
@@ -2478,6 +2466,8 @@ static int efx_register_netdev(struct efx_nic *efx)
                net_dev->priv_flags |= IFF_UNICAST_FLT;
        net_dev->ethtool_ops = &efx_ethtool_ops;
        net_dev->gso_max_segs = EFX_TSO_MAX_SEGS;
+       net_dev->min_mtu = EFX_MIN_MTU;
+       net_dev->max_mtu = EFX_MAX_MTU;
 
        rtnl_lock();