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authorRonak Doshi2021-07-16 15:36:25 -0700
committerDavid S. Miller2021-07-16 17:32:14 -0700
commit8c5663e461e6914304bbbf2c1cf67e5dce18740f (patch)
tree8676f2e33a26e8decacb858ccb3a0b4cdc650b16
parentb3973bb40041eb336188d16fcc249000ea3c4bf4 (diff)
vmxnet3: increase maximum configurable mtu to 9190
This patch increases the maximum configurable mtu to 9190 to accommodate jumbo packets of overlay traffic. Signed-off-by: Ronak Doshi <doshir@vmware.com> Acked-by: Guolin Yang <gyang@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/vmxnet3/vmxnet3_defs.h1
-rw-r--r--drivers/net/vmxnet3/vmxnet3_drv.c7
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h
index bc82bbbcb1ab..74d4e8bc4abc 100644
--- a/drivers/net/vmxnet3/vmxnet3_defs.h
+++ b/drivers/net/vmxnet3/vmxnet3_defs.h
@@ -795,6 +795,7 @@ struct Vmxnet3_DriverShared {
((vfTable[vid >> 5] & (1 << (vid & 31))) != 0)
#define VMXNET3_MAX_MTU 9000
+#define VMXNET3_V6_MAX_MTU 9190
#define VMXNET3_MIN_MTU 60
#define VMXNET3_LINK_UP (10000 << 16 | 1) /* 10 Gbps, up */
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 4fd6ce15a860..9f52f9c254f4 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -3641,9 +3641,12 @@ vmxnet3_probe_device(struct pci_dev *pdev,
vmxnet3_set_ethtool_ops(netdev);
netdev->watchdog_timeo = 5 * HZ;
- /* MTU range: 60 - 9000 */
+ /* MTU range: 60 - 9190 */
netdev->min_mtu = VMXNET3_MIN_MTU;
- netdev->max_mtu = VMXNET3_MAX_MTU;
+ if (VMXNET3_VERSION_GE_6(adapter))
+ netdev->max_mtu = VMXNET3_V6_MAX_MTU;
+ else
+ netdev->max_mtu = VMXNET3_MAX_MTU;
INIT_WORK(&adapter->work, vmxnet3_reset_work);
set_bit(VMXNET3_STATE_BIT_QUIESCED, &adapter->state);