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.
next prev parent 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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