From: "Mcnamara, John" <john.mcnamara@intel.com>
To: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] app/testpmd: swap mac in IEEE1588 forwarding
Date: Thu, 10 Dec 2015 10:18:12 +0000 [thread overview]
Message-ID: <B27915DBBA3421428155699D51E4CFE202400CD4@IRSMSX103.ger.corp.intel.com> (raw)
In-Reply-To: <1449739707-178153-1-git-send-email-pablo.de.lara.guarch@intel.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Pablo de Lara
> Sent: Thursday, December 10, 2015 9:28 AM
> To: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH] app/testpmd: swap mac in IEEE1588 forwarding
>
> IEEE1588 forwarding mode uses same port to receive and transmit packets.
> In this mode, the MAC address in the packets are not touched, and
> therefore, packets could be sent with the same destination MAC address as
> the MAC address of the port that is transmitting, which causes the packet
> to be dropped in some NICs.
>
> In order to avoid this scenario, MAC addresses are swapped before packet
> is sent out.
>
> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
next prev parent reply other threads:[~2015-12-10 10:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-10 9:28 Pablo de Lara
2015-12-10 10:18 ` Mcnamara, John [this message]
2015-12-10 21:21 ` Thomas Monjalon
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