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| author |   Jason Xing <kernelxing@tencent.com> | 2023-02-08 10:43:33 +0800 |
|---|---|---|
| committer |   Tony Nguyen <anthony.l.nguyen@intel.com> | 2023-02-14 10:07:27 -0800 |
| commit | ce45ffb815e8e238f05de1630be3969b6bb15e4e (patch) | |
| tree | e2e2fff3a1cb3e1c42bf0abc28968019e44cb31a | |
| parent | ixgbe: allow to increase MTU to 3K with XDP enabled (diff) | |
| download | wireguard-linux-ce45ffb815e8e238f05de1630be3969b6bb15e4e.tar.xz wireguard-linux-ce45ffb815e8e238f05de1630be3969b6bb15e4e.zip | |
i40e: add double of VLAN header when computing the max MTU
Include the second VLAN HLEN into account when computing the maximum
MTU size as other drivers do.
Fixes: 0c8493d90b6b ("i40e: add XDP support for pass and drop actions")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> (A Contingent Worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 4626d2a1af91..52eec0a50492 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -2921,7 +2921,7 @@ static int i40e_change_mtu(struct net_device *netdev, int new_mtu) struct i40e_pf *pf = vsi->back; if (i40e_enabled_xdp_vsi(vsi)) { - int frame_size = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; + int frame_size = new_mtu + I40E_PACKET_HDR_PAD; if (frame_size > i40e_max_xdp_frame_size(vsi)) return -EINVAL; |