[dpdk-dev] net/i40e: fix error setting for L2TAG

[Yan, Xiaoping (NSB - CN/Hangzhou)]

Hi,

In which dpdk release, this fix will be available?
Thank you.

Best regards
Yan Xiaoping

-----Original Message-----
From: Ye Xiaolong <xiaolong.ye at intel.com> 
Sent: 2020年5月21日 8:23
To: Jeff Guo <jia.guo at intel.com>
Cc: beilei.xing at intel.com; qi.z.zhang at intel.com; jianbo.liu at linaro.org; Yan, Xiaoping (NSB - CN/Hangzhou) <xiaoping.yan at nokia-sbell.com>; dev at dpdk.org; olivier.matz at 6wind.com
Subject: Re: [dpdk-dev] net/i40e: fix error setting for L2TAG

On 05/20, Jeff Guo wrote:
>Base on HW, if a packet be split into multiple segments, the L2TAG 
>should only be valid on the last Rx descriptor. So fix it by setting 
>L2TAG into mbuf when processing the last split packet.
>
>Fixes: ca74903b75cf ("net/i40e: extract non-x86 specific code from 
>vector driver")
>
>Signed-off-by: Jeff Guo <jia.guo at intel.com>
>---
> drivers/net/i40e/i40e_rxtx_vec_common.h | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/drivers/net/i40e/i40e_rxtx_vec_common.h 
>b/drivers/net/i40e/i40e_rxtx_vec_common.h
>index 0e6ffa007..31f73f605 100644
>--- a/drivers/net/i40e/i40e_rxtx_vec_common.h
>+++ b/drivers/net/i40e/i40e_rxtx_vec_common.h
>@@ -33,6 +33,7 @@ reassemble_packets(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_bufs,
> 			if (!split_flags[buf_idx]) {
> 				/* it's the last packet of the set */
> 				start->hash = end->hash;
>+				start->vlan_tci = end->vlan_tci;
> 				start->ol_flags = end->ol_flags;
> 				/* we need to strip crc for the whole packet */
> 				start->pkt_len -= rxq->crc_len;
>--
>2.20.1
>

Applied to dpdk-next-net-intel, Thanks.