Thanks a lot for your guidance, Alex.
On Thu, Jul 21, 2016 at 6:22 PM, Alexander Duyck <alexander.du...@gmail.com>
wrote:
> On Wed, Jul 20, 2016 at 11:16 PM, Mattias Barthel <mbart...@accedian.com>
> wrote:
> > Hello,
> >
> > I am using the HW timestamp all RX packets option in the I350 for my
> > special application.
> > There is a requirement to keep the HW timestamping clock intact if the
> link
> > goes down.
> > Now, if the link goes down, the IGB watchdog checks the TX ring and of
> > there are some used descriptors in it, the entire adapter is reset.
>
> The problem is that there is no other way to flush out the Tx FIFOs on
> the device other than resetting it. That is the reason for resetting
> the interface if there are Tx frames still on the ring.
>
> > I am suggesting to just clean the TX ring in question of this occurs. Do
> > you have any strong recommendations against this?
>
> If you don't reset the ring what you run the risk of is a data
> corruption and/or Tx hang when the link comes back up.
>
> - Alex
>
--
Avis de confidentialité
Les informations contenues dans le présent message et dans toute pièce qui
lui est jointe sont confidentielles et peuvent être protégées par le secret
professionnel. Ces informations sont à l’usage exclusif de son ou de ses
destinataires. Si vous recevez ce message par erreur, veuillez s’il vous
plait communiquer immédiatement avec l’expéditeur et en détruire tout
exemplaire. De plus, il vous est strictement interdit de le divulguer, de
le distribuer ou de le reproduire sans l’autorisation de l’expéditeur.
Merci.
Confidentiality notice
This e-mail message and any attachment hereto contain confidential
information which may be privileged and which is intended for the exclusive
use of its addressee(s). If you receive this message in error, please
inform sender immediately and destroy any copy thereof. Furthermore, any
disclosure, distribution or copying of this message and/or any attachment
hereto without the consent of the sender is strictly prohibited. Thank you.
------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are
consuming the most bandwidth. Provides multi-vendor support for NetFlow,
J-Flow, sFlow and other flows. Make informed decisions using capacity planning
reports.http://sdm.link/zohodev2dev
_______________________________________________
E1000-devel mailing list
E1000-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/e1000-devel
To learn more about Intel® Ethernet, visit
http://communities.intel.com/community/wired
