[dpdk-dev] [PATCH v2 3/3] net/af_packet: get 'framesz' from the iface's MTU

[Ferruh Yigit]

On 11/28/2018 1:12 PM, Lam, Tiago wrote:
> On 27/11/2018 17:43, Ferruh Yigit wrote:
>> On 11/20/2018 10:26 AM, Tiago Lam wrote:
>>> Use the underlying MTU to calculate the framsize to be used for the mmap
>>> RINGs. This is to make it more flexible on deployments with different
>>> MTU requirements, instead of using a pre-defined value of 2048B.
>>
>> This behavior change should be documented in af_packet documentation which is
>> missing unfortunately.
>> Would you able to introduce the initial/basic af_packet doc to at least to
>> document device argument? If not please let me know, I can work on it.
>>
> 
> Thanks for the review, Ferruh.
> 
> Yeah, I don't mind cooking something up and submitting here for review;
> I'll wait a couple of days for a reply from John W. before proceeding,
> though.

Thanks, appreciated. Agreed to wait a little.

> 
> But given there's no documentation for af_packet yet, do you prefer to
> wait for that to be available, and apply it all together? Or could that
> be applied later as part of another patch?

Both are OK, depends on your availability.

I think it is better, to show the history, first patch as the documentation
patch for existing behavior and your patch updating framsz usage (3/3) to update
that document as well.

Thanks,
ferruh