HW requires it regardless the presence of the VLAN tag in the received frame. Otherwise Rx frames are being filtered out on the MTU-4 boundary.
Signed-off-by: Vlad Zolotarov <vladz at cloudius-systems.com> --- drivers/net/i40e/i40e_rxtx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c index eae4ab0..22aaeb1 100644 --- a/drivers/net/i40e/i40e_rxtx.c +++ b/drivers/net/i40e/i40e_rxtx.c @@ -3156,7 +3156,7 @@ i40e_rx_queue_init(struct i40e_rx_queue *rxq) rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_ALL; else rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_NONE; - rx_ctx.rxmax = rxq->max_pkt_len; + rx_ctx.rxmax = rxq->max_pkt_len + I40E_VLAN_TAG_SIZE; rx_ctx.tphrdesc_ena = 1; rx_ctx.tphwdesc_ena = 1; rx_ctx.tphdata_ena = 1; -- 2.1.0