From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 1D5215594 for ; Wed, 27 Jul 2016 11:27:48 +0200 (CEST) Received: from Internal Mail-Server by MTLPINE1 (envelope-from olgas@mellanox.com) with ESMTPS (AES256-SHA encrypted); 27 Jul 2016 12:27:44 +0300 Received: from r-vnc07.mtr.labs.mlnx (r-vnc07.mtr.labs.mlnx [10.208.0.119]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id u6R9Rild003942; Wed, 27 Jul 2016 12:27:44 +0300 Received: from r-vnc07.mtr.labs.mlnx (localhost.localdomain [127.0.0.1]) by r-vnc07.mtr.labs.mlnx (8.13.8/8.13.8) with ESMTP id u6R9RiZV025715; Wed, 27 Jul 2016 12:27:44 +0300 Received: (from olgas@localhost) by r-vnc07.mtr.labs.mlnx (8.13.8/8.13.8/Submit) id u6R9RhJ0025714; Wed, 27 Jul 2016 12:27:43 +0300 From: Olga Shern To: dev@dpdk.org Cc: Olga Shern Date: Wed, 27 Jul 2016 12:27:26 +0300 Message-Id: <1469611646-25663-1-git-send-email-olgas@mellanox.com> X-Mailer: git-send-email 1.7.8.2 In-Reply-To: <1469550548-3784-1-git-send-email-olgas@mellanox.com> References: <1469550548-3784-1-git-send-email-olgas@mellanox.com> Subject: [dpdk-dev] [PATCH v2] doc: update guide and release notes for mlx5 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jul 2016 09:27:48 -0000 Signed-off-by: Olga Shern --- doc/guides/nics/mlx5.rst | 7 ++++++- doc/guides/rel_notes/release_16_07.rst | 14 ++++++++++++++ 2 files changed, 20 insertions(+), 1 deletions(-) diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index 063c4a5..5c10cd3 100644 --- a/doc/guides/nics/mlx5.rst +++ b/doc/guides/nics/mlx5.rst @@ -154,6 +154,11 @@ Run-time configuration allows to save PCI bandwidth and improve performance at the cost of a slightly higher CPU usage. Enabled by default. + Supported on: + + - x86_64 with ConnectX4 and ConnectX4 LX + - Power8 with ConnectX4 LX + - ``txq_inline`` parameter [int] Amount of data to be inlined during TX operations. Improves latency. @@ -234,7 +239,7 @@ DPDK and must be installed separately: Currently supported by DPDK: -- Mellanox OFED **3.3-1.0.0.0**. +- Mellanox OFED **3.3-1.0.0.0** and **3.3-2.0.0.0**. - Minimum firmware version: diff --git a/doc/guides/rel_notes/release_16_07.rst b/doc/guides/rel_notes/release_16_07.rst index d00a6ed..4b43f8d 100644 --- a/doc/guides/rel_notes/release_16_07.rst +++ b/doc/guides/rel_notes/release_16_07.rst @@ -191,6 +191,20 @@ New Features Live migration of a VM with Virtio and VF PMD's using the bonding PMD. +* **Updated the mlx5 driver.** + + The mlx5 driver was updated with changes including the following: + + * Data path was refactored to bypass Verbs to improve RX and TX performance. + * Removed compilation parameters for inline send, ``MLX5_MAX_INLINE``, and + added command line parameter instead, ``txq_inline``. + * Improved TX scatter gather support: + Removed compilation parameter ``MLX5_PMD_SGE_WR_N``. + Scatter-gather elements is set to the maximum value the NIC supports. + Removed linearization logic, this decreases the memory consumption of the PMD. + * Improved jumbo frames support, by dynamically setting RX scatter gather elements + according to the MTU and mbuf size, + no need for compilation parameter ``MLX5_PMD_SGE_WR_N`` Resolved Issues --------------- -- 1.7.8.2