This is a note to let you know that I've just added the patch titled
i40e: add double of VLAN header when computing the max MTU
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
i40e-add-double-of-vlan-header-when-computing-the-max-mtu.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ce45ffb815e8e238f05de1630be3969b6bb15e4e Mon Sep 17 00:00:00 2001
From: Jason Xing <kernelxing@xxxxxxxxxxx>
Date: Wed, 8 Feb 2023 10:43:33 +0800
Subject: i40e: add double of VLAN header when computing the max MTU
From: Jason Xing <kernelxing@xxxxxxxxxxx>
commit ce45ffb815e8e238f05de1630be3969b6bb15e4e upstream.
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@xxxxxxxxxxx>
Reviewed-by: Alexander Duyck <alexanderduyck@xxxxxx>
Tested-by: Chandan Kumar Rout <chandanx.rout@xxxxxxxxx> (A Contingent Worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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_de
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;
Patches currently in stable-queue which might be from kernelxing@xxxxxxxxxxx are
queue-6.1/ixgbe-allow-to-increase-mtu-to-3k-with-xdp-enabled.patch
queue-6.1/i40e-add-double-of-vlan-header-when-computing-the-max-mtu.patch
