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From: Ido Schimmel <idosch@idosch.org>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Ido Schimmel <idosch@mellanox.com>,
	netdev@vger.kernel.org, linux-kselftest@vger.kernel.org,
	davem@davemloft.net, shuah@kernel.org, dsahern@gmail.com,
	nikolay@cumulusnetworks.com, roopa@cumulusnetworks.com,
	andy@greyhouse.net, jiri@mellanox.com, mlxsw@mellanox.com,
	saeedm@mellanox.com, tariqt@mellanox.com, jhs@mojatatu.com,
	lucasb@mojatatu.com, f.fainelli@gmail.com,
	vivien.didelot@savoirfairelinux.com,
	jakub.kicinski@netronome.com, simon.horman@netronome.com
Subject: Re: [RFC PATCH net-next 02/12] selftests: forwarding: Add a test for FDB learning
Date: Mon, 15 Jan 2018 22:05:20 +0200	[thread overview]
Message-ID: <20180115200520.GA27952@splinter> (raw)
In-Reply-To: <20180115194146.GA31030@lunn.ch>

Hi Andrew,

On Mon, Jan 15, 2018 at 08:41:46PM +0100, Andrew Lunn wrote:
> On Mon, Jan 15, 2018 at 09:18:43PM +0200, Ido Schimmel wrote:
> > Send a packet with a specific destination MAC, make sure it was learned
> > on the ingress port and then aged-out.
> 
> It would be interesting to show the hardware actually uses the FDB,
> not just learns it. Send some packets back, and ensure they go out the
> intended port. Also, check they don't go out a third port, i.e. make
> sure the hardware is not flooding. Once it has aged-out, then test is
> is flooding out all ports.

Good idea. We can actually do that with only two ports. Disable flooding
on port A, check packets with DMAC A don't egress the port. Inject a
packet with SMAC A through port A, check packets with DMAC A egress the
port.

  reply	other threads:[~2018-01-15 20:05 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-15 19:18 [RFC PATCH net-next 00/12] selftests: forwarding: Add VRF-based tests Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 01/12] selftests: forwarding: Add initial testing framework Ido Schimmel
2018-01-17 20:56   ` David Ahern
2018-01-17 21:18     ` Andrew Lunn
2018-01-17 21:26       ` David Ahern
2018-01-15 19:18 ` [RFC PATCH net-next 02/12] selftests: forwarding: Add a test for FDB learning Ido Schimmel
2018-01-15 19:41   ` Andrew Lunn
2018-01-15 20:05     ` Ido Schimmel [this message]
2018-01-15 21:01       ` Andrew Lunn
2018-01-17 20:48   ` David Ahern
2018-01-17 21:01     ` Jiri Pirko
2018-01-17 22:46       ` Roopa Prabhu
2018-01-17 22:59         ` Roopa Prabhu
2018-01-17 23:31           ` Jiri Pirko
2018-01-18  0:15             ` David Ahern
2018-01-18  7:16               ` Ido Schimmel
2018-01-18  7:51                 ` Jiri Pirko
2018-01-15 19:18 ` [RFC PATCH net-next 03/12] selftests: forwarding: Add a test for flooded traffic Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 04/12] selftests: forwarding: Add a test for basic IPv4 and IPv6 routing Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 05/12] selftests: forwarding: Create test topology for multipath routing Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 06/12] selftests: forwarding: Test IPv4 weighted nexthops Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 07/12] selftests: forwarding: Test IPv6 " Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 08/12] selftests: forwarding: Add tc offload check helper Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 09/12] selftests: forwarding: Add MAC get helper Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 10/12] selftests: forwarding: Allow to get netdev interfaces names from commandline Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 11/12] selftests: forwarding: Allow to pass commandline options Ido Schimmel
2018-01-15 19:18 ` [RFC PATCH net-next 12/12] selftests: forwarding: Introduce tc flower matching tests Ido Schimmel
2018-01-15 20:14 ` [RFC PATCH net-next 00/12] selftests: forwarding: Add VRF-based tests David Ahern
2018-01-15 23:17   ` Jiri Pirko
2018-01-15 23:48     ` David Ahern
2018-01-16  7:59       ` Ido Schimmel
2018-01-17 22:51   ` Florian Fainelli
2018-01-17 23:11     ` Andrew Lunn
2018-01-18  7:41       ` Ido Schimmel
2018-01-18 12:46         ` Andrew Lunn

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