[dpdk-stable] [PATCH v2] net/i40e: fix forward outer IPv6 VXLAN packets

[Ferruh Yigit]

On 11/5/2021 3:48 AM, Xing, Beilei wrote:
> 
> 
>> -----Original Message-----
>> From: Wang, Jie1X <jie1x.wang at intel.com>
>> Sent: Friday, November 5, 2021 11:37 AM
>> To: dev at dpdk.org
>> Cc: Zhang, Yuying <yuying.zhang at intel.com>; Li, Xiaoyun
>> <xiaoyun.li at intel.com>; Yang, SteveX <stevex.yang at intel.com>; Xing, Beilei
>> <beilei.xing at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>; Wang, Jie1X
>> <jie1x.wang at intel.com>; stable at dpdk.org
>> Subject: [PATCH v2] net/i40e: fix forward outer IPv6 VXLAN packets
>>
>> Testpmd forwards packets in checksum mode that it need to calculate the
>> checksum of each layer's protocol. Then it will fill flags and header length into
>> mbuf.
>>
>> In process_outer_cksums, HW calculates the outer checksum if tx_offloads
>> contains outer UDP checksum otherwise SW calculates the outer checksum.
>>
>> When tx_offloads contains outer UDP checksum or outer IPv4 checksum,
>> mbuf will be filled with correct header length.
>>
>> This patch added outer UDP checksum in tx_offload_capa and
>> I40E_TX_OFFLOAD_MASK, when we set csum hw outer-udp on that the
>> engine can forward outer IPv6 VXLAN packets.
>>
>> Fixes: 7497d3e2f777 ("net/i40e: convert to new Tx offloads API")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Jie Wang <jie1x.wang at intel.com>
> Acked-by: Beilei Xing <beilei.xing at intel.com>
> 

For record,
This patch has been merged to next-net-intel, and pulled to next-net from there.