Re: [dpdk-dev] removing mbuf error flags

[Jay Rolette <rolette@infinite.io>]

On Fri, Apr 29, 2016 at 1:16 PM, Don Provan <dprovan@bivio.net> wrote:

> >From: Olivier Matz [mailto:olivier.matz@6wind.com]
> >Subject: [dpdk-dev] removing mbuf error flags
> >
> >My opinion is that invalid packets should not be given to the application
> and only a statistic counter should be incremented.
>
> The idea of an application that handles bad packets is perfectly valid.
> Most applications don't want to see them, of course, but, conceptually,
> some applications would want to ask for bad packets because they are
> specifically designed to handle various networking problems including those
> that result in bad packets that the application can look at and report.
> Furthermore, it makes technical sense for DPDK to support such applications.
>
> Having said that, I have no idea if that's why that field was added, and I
> don’t myself care if DPDK provides that feature in the future. I just
> thought I'd put the idea out there in case it makes any difference to you.
> If it were me, I'd probably decide it isn't hurting anything and not bother
> to remove it in case some day someone wants to implement that feature in
> one driver or another.
>

Yep. Pretty much any networking security product needs to see malformed
packets.

Jay