[dpdk-dev] [PATCH] net: introduce IPv4 ihl and version fields

[Stephen Hemminger]

On Thu, 3 Jun 2021 08:58:42 +0800
"Min Hu (Connor)" <humin29 at huawei.com> wrote:

> Hi, Morten and all,
> 	I have a questions which has bothering me for a long time.
> 	What's the difference between API and ABI？
> 	Why does this patch does not breake ABI， but break API(maybe)?
> 	
> 	Hope for your reply, thanks.

The API being fixed, that a user can in confidence recompile their source
code and it will compile without any new errors.

The ABI guarantee means, that an application dynamically linked to DPDK
shared libraries will work without problem if the DPDK libraries are updated.