[dpdk-dev] [RFC 09/14] sfc: use new rte_eth_link helpers

[Stephen Hemminger]

On Sun, 16 Jul 2017 16:48:50 +0300
Andrew Rybchenko <arybchenko at solarflare.com> wrote:

> On 07/14/2017 09:30 PM, Stephen Hemminger wrote:
> > Use the new API (_rte_eth_link_update) to handle link status update.
> > ALso fixes a bug where this driver was not returning -1 when link status changed.  
> 
> It is really good that you raise it, since:
>   -  as far as I can see the return value of the link_update is never used
>   - return value is not described and it is unclear what is meant by "link
>      status changed" since initial point is unspecified
> 
> We have interpreted link status change as change in data->dev_link
> made in the current execution flow, but not in parallel execution flow.

All drivers must do the same thing. Private interpretation is not good.