[PATCH net-next 6/7] vmxnet3: increase maximum configurable mtu to 9190
From: Ronak Doshi <hidden>
Date: 2021-07-06 20:18:50
Also in:
lkml
Subsystem:
networking drivers, the rest, vmware vmxnet3 ethernet driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Ronak Doshi
This patch increases the maximum configurable mtu to 9190 to accommodate jumbo packets of overlay traffic. Signed-off-by: Ronak Doshi <redacted> --- drivers/net/vmxnet3/vmxnet3_defs.h | 1 + drivers/net/vmxnet3/vmxnet3_drv.c | 7 +++++-- 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);
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2.11.0