[dpdk-users] [dpdk-dev] IPV4/IPV6 TCP/UDP Pseudo Header Checksum APIs

Shyam Shrivastav shrivastav.shyam at gmail.com
Sat Oct 20 07:22:50 CEST 2018


Realized my answer is confusing, I meant to say that code is correct as
pseudo ipv4/ipv6 headers for the purpose of checksum calculations doesn't
include options or extension headers, see udp wiki or corresponding rfcs

https://en.wikipedia.org/wiki/User_Datagram_Protocol

On Sat, Oct 20, 2018 at 10:42 AM Shyam Shrivastav <
shrivastav.shyam at gmail.com> wrote:

> that is correct , pseudo header doesn't include ipv4 options or ipv6
> extension headers ..
>
> On Sat, Oct 20, 2018 at 9:02 AM lidejun <lidejun1 at huawei.com> wrote:
>
>> Has anybody used the following two APIs calculating ipv4&ipv6 tcp/udp
>> pseudo header checksum?
>>
>> 1.    rte_ipv4_phdr_cksum
>>
>> 2.    rte_ipv6_phdr_cksum
>> The ipv4 version does not exclude ip options and ipv6 version does not
>> exclude extersion headers.
>>
>


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