From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH v3 1/2] gro: code cleanup
Date: Tue, 2 Jan 2018 17:27:48 -0800
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Cc: "Richardson, Bruce" <bruce.richardson@intel.com>, "Hu, Jiayu"
 <jiayu.hu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>, "Chen, Junjie J"
 <junjie.j.chen@intel.com>, "Ananyev, Konstantin"
 <konstantin.ananyev@intel.com>, "Yigit, Ferruh" <ferruh.yigit@intel.com>,
 "Yao, Lei A" <lei.a.yao@intel.com>
To: "Tan, Jianfeng" <jianfeng.tan@intel.com>
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On Wed, 3 Jan 2018 01:07:37 +0000
"Tan, Jianfeng" <jianfeng.tan@intel.com> wrote:

> > -----Original Message-----
> > From: Richardson, Bruce
> > Sent: Tuesday, January 2, 2018 7:26 PM
> > To: Hu, Jiayu
> > Cc: dev@dpdk.org; Tan, Jianfeng; Chen, Junjie J; Ananyev, Konstantin;
> > stephen@networkplumber.org; Yigit, Ferruh; Yao, Lei A
> > Subject: Re: [dpdk-dev] [PATCH v3 1/2] gro: code cleanup
> > 
> > On Fri, Dec 22, 2017 at 03:25:43PM +0800, Jiayu Hu wrote:  
> > > - Remove needless check and variants
> > > - For better understanding, update the programmer guide and rename
> > >   internal functions and variants
> > > - For supporting tunneled gro, move common internal functions from
> > >   gro_tcp4.c to gro_tcp4.h
> > > - Comply RFC 6864 to process the IPv4 ID field
> > >
> > > Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
> > > ---
> > >  .../prog_guide/generic_receive_offload_lib.rst     | 246 ++++++++-------
> > >  doc/guides/prog_guide/img/gro-key-algorithm.png    | Bin 0 -> 28231  
> > bytes
> > 
> > Rather than binary PNG images, please use SVG files (note, real SVG, not
> > an SVG file with a binary blob pasted into it).  
> 
> Based on my limited experience, there is no shortcut for this, but re-draw the picture with tools like visio.

Inkscape is open source and produces svg files.