Re: [dpdk-dev] [PATCH v4 1/3] lib/librte_ether: add support for port reset

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2017-04-06 09:02, Ananyev, Konstantin:
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Zhao1, Wei
> > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> > > 2017-04-06 02:57, Zhao1, Wei:
> > > > >   /**
> > > > > > + * Reset an ethernet device when it's not working. One scenario
> > > > > > + is, after PF
> > > > > > + * port is down and up, the related VF port should be reset.
> > > > > > + * The API will stop the port, clear the rx/tx queues, re-setup
> > > > > > + the rx/tx
> > > > > > + * queues, restart the port.
> > > > >
> > > > > s/The API/This function/
> > > > >
> > > > > Please explain exactly the responsibility of this function, and how
> > > > > it is different from calling stop/configure/start.
> > > >
> > > > In this reset feature, reset function can do the calling
> > > > stop/configure/start process, but also It can also do some restore
> > > > work for the port, for example, it can restore the added parameters  of
> > > vlan,  mac_addrs, promisc_unicast_enabled falg and
> > > promisc_multicast_enabled flag.
> 
> Ok, but why start/stop can't do these things?

Please could you try to answer this question?

We cannot accept v7 if there are some doubts remaining.