[dpdk-dev] [PATCH] mbuf: add IGMP packet type

[Stephen Hemminger]

On Wed, 29 Aug 2018 21:29:05 +0530
Jerin Jacob <jerin.jacob at caviumnetworks.com> wrote:

> -----Original Message-----
> > Date: Wed, 29 Aug 2018 08:31:10 -0700
> > From: Stephen Hemminger <stephen at networkplumber.org>
> > To: Jerin Jacob <jerin.jacob at caviumnetworks.com>
> > Cc: dev at dpdk.org, olivier.matz at 6wind.com
> > Subject: Re: [dpdk-dev]  [PATCH] mbuf: add IGMP packet type
> > 
> > External Email
> > 
> > On Mon, 27 Aug 2018 18:08:35 +0530
> > Jerin Jacob <jerin.jacob at caviumnetworks.com> wrote:
> >   
> > > Add support for IGMP packet type.
> > >
> > > Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>  
> > 
> > Could you add logic to recoginize IGMP to the software packet type identification
> > rte_net_get_ptype used by drivers that don't have hardware support.  
> 
> If everyone agrees then I can do it as adding IGMP support will reduce
> the performance of rte_net_get_ptype() and most of the NIC may not need it.

Since IGMP is an IP protocol field and the code is already looking for
TCP and UDP, how could adding another else slow it down in any observable way.