[dpdk-dev] [PATCH v2 1/4] ethdev: modify callback process API

[Stephen Hemminger]

On Mon, 12 Jun 2017 16:18:08 +0100
Bernard Iremonger <bernard.iremonger at intel.com> wrote:

> From: "Bernard.Iremonger" <Bernard.iremonger at intel.com>
> 
> Change the rte_eth_dev_callback_process function to return int,
> and add a void *ret_param parameter.

What is the motivation for this? What is return value used for?