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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Tariq Toukan <tariqt@mellanox.com>,
	"David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org, Eran Ben Elisha <eranbe@mellanox.com>,
	Eric Dumazet <edumazet@google.com>
Subject: Re: [PATCH net-next] net: ipv6/gre: Add GRO support
Date: Sun, 1 Apr 2018 09:35:05 -0700	[thread overview]
Message-ID: <8dd7220e-e536-f89b-e5d4-27e57f319e0f@gmail.com> (raw)
In-Reply-To: <1522588651-28800-1-git-send-email-tariqt@mellanox.com>



On 04/01/2018 06:17 AM, Tariq Toukan wrote:
> From: Eran Ben Elisha <eranbe@mellanox.com>
> 
> Add GRO capability for IPv6 GRE tunnel and ip6erspan tap, via gro_cells
> infrastructure.
> 
> Performance testing: 55% higher badwidth.
> Measuring bandwidth of 1 thread IPv4 TCP traffic over IPv6 GRE tunnel
> while GRO on the physical interface is disabled.
> CPU: Intel Xeon E312xx (Sandy Bridge)
> NIC: Mellanox Technologies MT27700 Family [ConnectX-4]
> Before (GRO not working in tunnel) : 2.47 Gbits/sec
> After  (GRO working in tunnel)     : 3.85 Gbits/sec
> 
> Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
> Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
> CC: Eric Dumazet <edumazet@google.com>
> ---


Seems good, but why isn't this handled directly in GRO native layer ?

  reply	other threads:[~2018-04-01 16:35 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-01 13:17 [PATCH net-next] net: ipv6/gre: Add GRO support Tariq Toukan
2018-04-01 16:35 ` Eric Dumazet [this message]
2018-04-02 12:40   ` Eran Ben Elisha
2018-04-02 14:42     ` Eric Dumazet
2018-04-02 15:00       ` Eran Ben Elisha
2018-04-02 15:19         ` Eric Dumazet
2018-04-02 15:45           ` Tariq Toukan

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