From: David Marchand <david.marchand@6wind.com>
To: "Wu, Jingjing" <jingjing.wu@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] ixgbevf does not recover from pf reset
Date: Fri, 22 Jan 2016 09:54:25 +0100 [thread overview]
Message-ID: <CALwxeUsC=tW5z+hLtiyYyu4NJDPoAURXqsVu5=qHxxLmTLvKzA@mail.gmail.com> (raw)
In-Reply-To: <9BB6961774997848B5B42BEC655768F8D8B6D5@SHSMSX104.ccr.corp.intel.com>
Hello,
On Fri, Jan 22, 2016 at 3:05 AM, Wu, Jingjing <jingjing.wu@intel.com> wrote:
> Hi, David
>
> We also noticed this issue before. And we are planning to fix this issue.
> And the patch for i40e is ready:
> http://dpdk.org/dev/patchwork/patch/9832/
> http://dpdk.org/dev/patchwork/patch/9833/
>
> The solution is that: PF reset interrupt will be captured by DPDK VF, then DPDK
> Call the application's callback function to reset the VF device. For i40e device,
> application need to detach and re-attach the device.
>
> For ixgbe, I think the solution would be similar.
Ok, so to handle a problem in hardware, the application must implement
a new mechanism to recover the port ?
I don't find this solution really elegant ...
This should be handled by the pmd itself.
Regards,
--
David Marchand
next prev parent reply other threads:[~2016-01-22 8:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-11 14:46 David Marchand
2016-01-22 2:05 ` Wu, Jingjing
2016-01-22 8:54 ` David Marchand [this message]
2016-01-25 1:58 ` Wu, Jingjing
2016-01-25 15:05 ` David Marchand
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