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net: use core MTU range checking in virt drivers

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hyperv_net:
- set min/max_mtu, per Haiyang, after rndis_filter_device_add

virtio_net:
- set min/max_mtu
- remove virtnet_change_mtu

vmxnet3:
- set min/max_mtu

xen-netback:
- min_mtu = 0, max_mtu = 65517

xen-netfront:
- min_mtu = 0, max_mtu = 65535

unisys/visor:
- clean up defines a little to not clash with network core or add
  redundat definitions

CC: netdev@vger.kernel.org
CC: virtualization@lists.linux-foundation.org
CC: "K. Y. Srinivasan" <kys@microsoft.com>
CC: Haiyang Zhang <haiyangz@microsoft.com>
CC: "Michael S. Tsirkin" <mst@redhat.com>
CC: Shrikrishna Khare <skhare@vmware.com>
CC: "VMware, Inc." <pv-drivers@vmware.com>
CC: Wei Liu <wei.liu2@citrix.com>
CC: Paul Durrant <paul.durrant@citrix.com>
CC: David Kershner <david.kershner@unisys.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarod Wilson
2016-10-20 13:55:21 -04:00
committed by David S. Miller
parent 91572088e3
commit d0c2c9973e
8 changed files with 35 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/vmxnet3/vmxnet3_drv.c
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@@ -2969,9 +2969,6 @@ vmxnet3_change_mtu(struct net_device *netdev, int new_mtu)
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
int err = 0;
if (new_mtu < VMXNET3_MIN_MTU || new_mtu > VMXNET3_MAX_MTU)
return -EINVAL;
netdev->mtu = new_mtu;
/*
@@ -3428,6 +3425,10 @@ vmxnet3_probe_device(struct pci_dev *pdev,
vmxnet3_set_ethtool_ops(netdev);
netdev->watchdog_timeo = 5 * HZ;
/* MTU range: 60 - 9000 */
netdev->min_mtu = VMXNET3_MIN_MTU;
netdev->max_mtu = VMXNET3_MAX_MTU;
INIT_WORK(&adapter->work, vmxnet3_reset_work);
set_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state);