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* [dpdk-dev] net/i40e: fix vlan packets drop
@ 2019-10-14  7:53 Xiao Zhang
  2019-10-14 17:41 ` Kevin Traynor
                   ` (2 more replies)
  0 siblings, 3 replies; 10+ messages in thread
From: Xiao Zhang @ 2019-10-14  7:53 UTC (permalink / raw)
  To: dev; +Cc: beilei.xing, qi.z.zhang, Xiao Zhang, stable

vlan packets with ip length bigger then 1496 will not be received by
i40e due to wrong packets size checking. This patch fixes the issue by
correcting the maximum frame size during checking.

Fixes: 35b2d13fd6fd ("net: add rte prefix to ether defines")
Cc: stable@dpdk.org

Signed-off-by: Xiao Zhang <xiao.zhang@intel.com>
---
 drivers/net/i40e/i40e_ethdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 2ca14da..156d67b 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -12103,7 +12103,7 @@ i40e_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 		return -EBUSY;
 	}
 
-	if (frame_size > RTE_ETHER_MAX_LEN)
+	if (frame_size > RTE_ETHER_MAX_LEN + I40E_VLAN_TAG_SIZE * 2)
 		dev_data->dev_conf.rxmode.offloads |=
 			DEV_RX_OFFLOAD_JUMBO_FRAME;
 	else
-- 
2.7.4


^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2020-02-10 13:48 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-10-14  7:53 [dpdk-dev] net/i40e: fix vlan packets drop Xiao Zhang
2019-10-14 17:41 ` Kevin Traynor
2019-10-15  1:41   ` Zhang, Xiao
2019-10-21  2:44 ` [dpdk-dev] [v2] " Xiao Zhang
2019-10-21 20:15   ` Kevin Traynor
2019-10-29  5:12 ` [dpdk-dev] [v3] " Xiao Zhang
2019-11-08 19:28   ` Kevin Traynor
2019-11-08 19:49     ` Thomas Monjalon
2019-11-09  3:01       ` Zhang, Qi Z
2020-02-10 13:48         ` Mattias Rönnblom

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