[dpdk-dev] [PATCH] testpmd: modify the mac of csum forwarding

[Qiu, Michael]

On 2015/8/7 17:13, Ouyang, Changchun wrote:
>
>>

[.../...]

>>
>>              eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
>> +            ether_addr_copy(&peer_eth_addrs[fs->peer_addr],
>> +                            &eth_hdr->d_addr);
>> +            ether_addr_copy(&ports[fs->tx_port].eth_addr,
>> +                            &eth_hdr->s_addr);
>> Is it really necessary? Why other NICs do not need this?
>>
> Seems the behavior changes from io fwd into mac fwd?

Yes, but I think it is no influence for checksum offload.

Thanks,
Michael
>>>             parse_ethernet(eth_hdr, &info);
>>>             l3_hdr = (char *)eth_hdr + info.l2_len;
>>>
>>> --
>>> 1.9.3
>