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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Ori Kam <orika@mellanox.com>,
	wenzhuo.lu@intel.com, jingjing.wu@intel.com,
	bernard.iremonger@intel.com, arybchenko@solarflare.com,
	stephen@networkplumber.org, adrien.mazarguil@6wind.com
Cc: dev@dpdk.org, dekelp@mellanox.com, thomas@monjalon.net,
	nelio.laranjeiro@6wind.com, yskoh@mellanox.com,
	shahafs@mellanox.com
Subject: Re: [PATCH v6 2/3] app/testpmd: add MPLSoUDP encapsulation
Date: Tue, 23 Oct 2018 10:55:51 +0100	[thread overview]
Message-ID: <7c55fad8-f11d-a509-faeb-5f282aa43edf@intel.com> (raw)
In-Reply-To: <1540229891-112870-3-git-send-email-orika@mellanox.com>

On 10/22/2018 6:38 PM, Ori Kam wrote:
> MPLSoUDP is an example for L3 tunnel encapsulation.
> 
> L3 tunnel type is a tunnel that is missing the layer 2 header of the
> inner packet.
> 
> Example for MPLSoUDP tunnel:
> ETH / IPV4 / UDP / MPLS / IP / L4..L7
> 
> In order to encapsulate such a tunnel there is a need to remove L2 of
> the inner packet and encap the remaining tunnel, this is done by
> applying 2 rte flow commands l2_decap followed by mplsoudp_encap.
> Both commands must appear in the same flow, and from the point of the
> packet it both actions are applyed at the same time. (There is no part
> where a packet doesn't have L2 header).
> 
> Decapsulating such a tunnel works the other way, first we need to decap
> the outer tunnel header and then apply the new L2.
> So the commands will be mplsoudp_decap / l2_encap
> 
> Due to the complex encapsulation of MPLSoUDP and L2  flow actions and
> based on the fact testpmd does not allocate memory, this patch adds a new
> command in testpmd to initialise a global structurs containing the
> necessary information to make the outer layer of the packet.  This same
> global structures will then be used by the flow commands in testpmd when
> the action mplsoudp_encap, mplsoudp_decap, l2_encap, l2_decap, will be
> parsed, at this point, the conversion into such action becomes trivial.
> 
> The l2_encap and l2_decap actions can also be used for other L3 tunnel
> types.
> 
> Signed-off-by: Ori Kam <orika@mellanox.com>

Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

  reply	other threads:[~2018-10-23  9:55 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-16 16:53 [PATCH 0/3] add generic L2/L3 tunnel encapsulation actions Ori Kam
2018-09-16 16:53 ` [PATCH 1/3] ethdev: " Ori Kam
2018-09-16 16:53 ` [PATCH 2/3] ethdev: convert testpmd encap commands to new API Ori Kam
2018-09-16 16:53 ` [PATCH 3/3] ethdev: remove vxlan and nvgre encapsulation commands Ori Kam
2018-09-26 21:00 ` [PATCH v2 0/3] ethdev: add generic L2/L3 tunnel encapsulation actions Ori Kam
2018-09-26 21:00   ` [PATCH v2 1/3] " Ori Kam
2018-09-26 21:00   ` [PATCH v2 2/3] app/testpmd: convert testpmd encap commands to new API Ori Kam
2018-09-26 21:00   ` [PATCH v2 3/3] ethdev: remove vxlan and nvgre encapsulation commands Ori Kam
2018-10-05 12:59     ` Ferruh Yigit
2018-10-05 13:26       ` Awal, Mohammad Abdul
2018-10-05 13:27     ` Mohammad Abdul Awal
2018-10-03 20:38   ` [PATCH v2 0/3] ethdev: add generic L2/L3 tunnel encapsulation actions Thomas Monjalon
2018-10-05 12:57   ` Ferruh Yigit
2018-10-05 14:00     ` Ori Kam
2018-10-07 12:57   ` [PATCH v3 " Ori Kam
2018-10-07 12:57     ` [PATCH v3 1/3] " Ori Kam
2018-10-07 12:57     ` [PATCH v3 2/3] app/testpmd: convert testpmd encap commands to new API Ori Kam
2018-10-07 12:57     ` [PATCH v3 3/3] ethdev: remove vxlan and nvgre encapsulation commands Ori Kam
2018-10-09 16:48     ` [PATCH v3 0/3] ethdev: add generic L2/L3 tunnel encapsulation actions Ferruh Yigit
2018-10-10  6:45       ` Andrew Rybchenko
2018-10-10  9:00         ` Ori Kam
2018-10-10  9:30           ` Andrew Rybchenko
2018-10-10  9:38             ` Thomas Monjalon
2018-10-10 12:02           ` Adrien Mazarguil
2018-10-10 13:17             ` Ori Kam
2018-10-10 16:10               ` Adrien Mazarguil
2018-10-11  8:48                 ` Ori Kam
2018-10-11 13:12                   ` Adrien Mazarguil
2018-10-11 13:55                     ` Ori Kam
2018-10-16 21:40     ` [PATCH v4 0/3] ethdev: add generic raw " Ori Kam
2018-10-16 21:41       ` [PATCH v4 1/3] ethdev: add raw encapsulation action Ori Kam
2018-10-17  7:56         ` Andrew Rybchenko
2018-10-17  8:43           ` Ori Kam
2018-10-22 13:06             ` Andrew Rybchenko
2018-10-22 13:19               ` Ori Kam
2018-10-22 13:27                 ` Andrew Rybchenko
2018-10-22 13:32                   ` Ori Kam
2018-10-16 21:41       ` [PATCH v4 2/3] app/testpmd: add MPLSoUDP encapsulation Ori Kam
2018-10-16 21:41       ` [PATCH v4 3/3] app/testpmd: add MPLSoGRE encapsulation Ori Kam
2018-10-17 17:07       ` [PATCH v5 0/3] ethdev: add generic raw tunnel encapsulation actions Ori Kam
2018-10-17 17:07         ` [PATCH v5 1/3] ethdev: add raw encapsulation action Ori Kam
2018-10-22 14:15           ` Andrew Rybchenko
2018-10-22 14:31             ` Ori Kam
2018-10-17 17:07         ` [PATCH v5 2/3] app/testpmd: add MPLSoUDP encapsulation Ori Kam
2018-10-17 17:07         ` [PATCH v5 3/3] app/testpmd: add MPLSoGRE encapsulation Ori Kam
2018-10-22 14:45         ` [PATCH v5 0/3] ethdev: add generic raw tunnel encapsulation actions Ferruh Yigit
2018-10-22 17:38         ` [PATCH v6 0/3] ethdev: add generic raw tunnel encapsulation Ori Kam
2018-10-22 17:38           ` [PATCH v6 1/3] ethdev: add raw encapsulation action Ori Kam
2018-10-22 17:38           ` [PATCH v6 2/3] app/testpmd: add MPLSoUDP encapsulation Ori Kam
2018-10-23  9:55             ` Ferruh Yigit [this message]
2018-10-22 17:38           ` [PATCH v6 3/3] app/testpmd: add MPLSoGRE encapsulation Ori Kam
2018-10-23  9:56             ` Ferruh Yigit
2018-10-23  9:56           ` [PATCH v6 0/3] ethdev: add generic raw tunnel encapsulation Ferruh Yigit

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