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From: Xiao Zhang <xiao.zhang@intel.com>
To: dev@dpdk.org
Cc: beilei.xing@intel.com, qi.z.zhang@intel.com,
Xiao Zhang <xiao.zhang@intel.com>, stable@dpdk.org
Date: Mon, 14 Oct 2019 15:53:52 +0800
Message-Id: <1571039632-5524-1-git-send-email-xiao.zhang@intel.com>
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Subject: [dpdk-dev] net/i40e: fix vlan packets drop
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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