On 2/4/2023 5:35 AM, Jason Xing wrote:
From: Jason Xing <kernelxing@xxxxxxxxxxx>
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>
---
drivers/net/ethernet/intel/i40e/i40e.h | 2 ++
drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 60e351665c70..e03853d3c706 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -107,6 +107,8 @@
#define I40E_BW_MBPS_DIVISOR 125000 /* rate / (1000000 / 8) Mbps */
#define I40E_MAX_BW_INACTIVE_ACCUM 4 /* accumulate 4 credits max */
+#define I40E_PACKET_HDR_PAD (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2))
This already exists:
https://elixir.bootlin.com/linux/latest/source/drivers/net/ethernet/intel/i40e/i40e_txrx.h#L112
