From: David Miller <davem@davemloft.net>
To: tariqt@mellanox.com
Cc: netdev@vger.kernel.org, eranbe@mellanox.com, ranas@mellanox.com,
saeedm@mellanox.com
Subject: Re: [PATCH net-next V2 0/8] mlx5e XDP support
Date: Thu, 22 Sep 2016 02:55:37 -0400 (EDT) [thread overview]
Message-ID: <20160922.025537.1612668257047147207.davem@davemloft.net> (raw)
In-Reply-To: <1474449589-27035-1-git-send-email-tariqt@mellanox.com>
From: Tariq Toukan <tariqt@mellanox.com>
Date: Wed, 21 Sep 2016 12:19:41 +0300
> This series adds XDP support in mlx5e driver.
> This includes the use cases: XDP_DROP, XDP_PASS, and XDP_TX.
>
> Single stream performance tests show 16.5 Mpps for XDP_DROP,
> and 12.4 Mpps for XDP_TX, with nice scalability for multiple streams/rings.
>
> This rate of XDP_DROP is lower than the 32 Mpps we got in previous
> implementation, when Striding RQ was used.
>
> We moved to non-Striding RQ, as some XDP_TX requirements (like headroom,
> packet-per-page) cannot be satisfied with the current Striding RQ HW,
> and we decided to fully support both DROP/TX.
>
> Few directions are considered in order to enable the faster rate for XDP_DROP,
> e.g a possibility for users to enable Striding RQ so they choose optimized
> XDP_DROP on the price of partial XDP_TX functionality, or some HW changes.
>
> Series generated against net-next commit:
> cf714ac147e0 'ipvlan: Fix dependency issue'
Series applied, thanks.
prev parent reply other threads:[~2016-09-22 6:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-21 9:19 [PATCH net-next V2 0/8] mlx5e XDP support Tariq Toukan
2016-09-21 9:19 ` [PATCH net-next V2 1/8] net/mlx5e: Build RX SKB on demand Tariq Toukan
2016-09-21 9:19 ` [PATCH net-next V2 2/8] net/mlx5e: Union RQ RX info per RQ type Tariq Toukan
2016-09-21 9:19 ` [PATCH net-next V2 3/8] net/mlx5e: Slightly reduce hardware LRO size Tariq Toukan
2016-09-21 9:19 ` [PATCH net-next V2 4/8] net/mlx5e: Dynamic RQ type infrastructure Tariq Toukan
2016-09-21 9:19 ` [PATCH net-next V2 5/8] net/mlx5e: XDP fast RX drop bpf programs support Tariq Toukan
2016-09-21 9:19 ` [PATCH net-next V2 6/8] net/mlx5e: Have a clear separation between different SQ types Tariq Toukan
2016-09-21 9:19 ` [PATCH net-next V2 7/8] net/mlx5e: XDP TX forwarding support Tariq Toukan
2016-09-21 9:19 ` [PATCH net-next V2 8/8] net/mlx5e: XDP TX xmit more Tariq Toukan
2016-09-22 6:55 ` David Miller [this message]
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