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From: "Liang, Cunming" <cunming.liang@intel.com>
To: Alex Markuze <alex@weka.io>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] nic loopback
Date: Tue, 21 Oct 2014 01:18:40 +0000	[thread overview]
Message-ID: <D0158A423229094DA7ABF71CF2FA0DA31184EBD1@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <CAKfHP0VYMjcHuMhS814j+R_TQjWFeJ3Zkffm4oaQ7+ZZXTdsJQ@mail.gmail.com>



> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Alex Markuze
> Sent: Tuesday, October 21, 2014 12:24 AM
> To: dev@dpdk.org
> Subject: [dpdk-dev] nic loopback
> 
> Hi,
> I'm trying to send packets from an application to it self, meaning smac  ==
> dmac.
> I'm working with intel 82599 virtual function. But it seems that these
> packets are lost.
> 
> Is there a software/hw limitation I'm missing here (some additional
> anti-spoofing)? AFAIK modern NICs with sriov are mini switches so the hw
> loopback should work, at least thats the theory.
> 
[Liang, Cunming] You could have a check on register LLE(PFVMTXSW[n]).
Which allow an individual pool to be able to send traffic and have it loopback to itself.
> 
> Thanks.

  reply	other threads:[~2014-10-21  1:10 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-20 16:24 Alex Markuze
2014-10-21  1:18 ` Liang, Cunming [this message]
2014-10-21 15:16   ` Alex Markuze
2014-10-22  3:33     ` Liang, Cunming
2014-10-22  4:37       ` [dpdk-dev] FW: " Zhu, Heqing
2014-10-22  7:42         ` alex
2014-10-22  8:04           ` Liang, Cunming
2014-10-21 15:32 ` [dpdk-dev] " Thomas Monjalon
2014-10-21 15:54   ` Alex Markuze
2014-10-21 20:14     ` Thomas Monjalon

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