[dpdk-dev] [PATCH 2/8] lib/librte_ether: defind RX/TX lock mode

[Lu, Wenzhuo]

Hi Stephen,

> -----Original Message-----
> From: Stephen Hemminger [mailto:stephen at networkplumber.org]
> Sent: Saturday, June 11, 2016 2:12 AM
> To: Lu, Wenzhuo
> Cc: dev at dpdk.org; Tao, Zhe
> Subject: Re: [dpdk-dev] [PATCH 2/8] lib/librte_ether: defind RX/TX lock mode
> 
> On Wed, 8 Jun 2016 07:34:43 +0000
> "Lu, Wenzhuo" <wenzhuo.lu at intel.com> wrote:
> 
> > >
> > > The fact that it requires lots more locking inside each device
> > > driver implies to me this is not correct way to architect this.
> > It's a good question. This patch set doesn't follow the regular assumption of
> DPDK.
> > But it's a requirement we've got from some customers. The users want the
> driver does as much as it can. The best is the link state change is transparent to
> the  users.
> > The patch set tries to provide another choice if the users don't want to stop
> their rx/tx to handle the reset event.
> 
> Then bring those uses to the development world (on users mailing list) and lets
> start the discussion there.  The requirements creeping in through the backdoor
> also worries me.
Got it. Then how about we only provide a reset API and let the APP to stop/start the rx/tx and call the API to reset the port? Thanks.