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From: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
To: dev@dpdk.org
Cc: thomas@monjalon.net, matan@nvidia.com, akozyrev@nvidia.com,
	rasland@nvidia.com, orika@nvidia.com
Subject: [dpdk-dev] [PATCH v3 6/6] doc: add buffer split feature limitation to mlx5 guide
Date: Mon, 26 Oct 2020 10:11:59 +0000	[thread overview]
Message-ID: <1603707119-20672-7-git-send-email-viacheslavo@nvidia.com> (raw)
In-Reply-To: <1603707119-20672-1-git-send-email-viacheslavo@nvidia.com>

The buffer split feature is mentioned in the mlx5 PMD
documentation, the limitation is description is added
as well.

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
 doc/guides/nics/mlx5.rst | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 1a8808e..4621a5e 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -64,7 +64,8 @@ Features
 
 - Multi arch support: x86_64, POWER8, ARMv8, i686.
 - Multiple TX and RX queues.
-- Support for scattered TX and RX frames.
+- Support for scattered TX frames.
+- Advanced support for scattered Rx frames with tunable buffer attributes.
 - IPv4, IPv6, TCPv4, TCPv6, UDPv4 and UDPv6 RSS on any number of queues.
 - RSS using different combinations of fields: L3 only, L4 only or both,
   and source only, destination only or both.
@@ -192,6 +193,9 @@ Limitations
    the device. In case of ungraceful program termination, some entries may
    remain present and should be removed manually by other means.
 
+- Buffer split offload is supported with regular Rx burst routine only,
+  no MPRQ feature or vectorized code can be engaged.
+
 - When Multi-Packet Rx queue is configured (``mprq_en``), a Rx packet can be
   externally attached to a user-provided mbuf with having EXT_ATTACHED_MBUF in
   ol_flags. As the mempool for the external buffer is managed by PMD, all the
-- 
1.8.3.1


  parent reply	other threads:[~2020-10-26 10:13 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-22 15:42 [dpdk-dev] [PATCH 0/5] net/mlx5: add Rx buffer split support Viacheslav Ovsiienko
2020-10-22 15:42 ` [dpdk-dev] [PATCH 1/5] net/mlx5: add extended Rx queue setup routine Viacheslav Ovsiienko
2020-10-23  9:46   ` [dpdk-dev] [PATCH v2 0/5] net/mlx5: add Rx buffer split support Viacheslav Ovsiienko
2020-10-23  9:46     ` [dpdk-dev] [PATCH v2 1/5] net/mlx5: configure Rx queue to support split Viacheslav Ovsiienko
2020-10-23  9:46     ` [dpdk-dev] [PATCH v2 2/5] net/mlx5: register multiple pool for Rx queue Viacheslav Ovsiienko
2020-10-23  9:46     ` [dpdk-dev] [PATCH v2 3/5] net/mlx5: update Rx datapath to support split Viacheslav Ovsiienko
2020-10-23  9:46     ` [dpdk-dev] [PATCH v2 4/5] net/mlx5: report Rx segmentation capabilities Viacheslav Ovsiienko
2020-10-23  9:46     ` [dpdk-dev] [PATCH v2 5/5] doc: add buffer split feature limitation to mlx5 guide Viacheslav Ovsiienko
2020-10-26 10:11   ` [dpdk-dev] [PATCH v3 0/6] net/mlx5: add Rx buffer split support Viacheslav Ovsiienko
2020-10-26 10:11     ` [dpdk-dev] [PATCH v3 1/6] net/mlx5: add extended Rx queue setup routine Viacheslav Ovsiienko
2020-10-26 10:11     ` [dpdk-dev] [PATCH v3 2/6] net/mlx5: configure Rx queue to support split Viacheslav Ovsiienko
2020-10-26 10:11     ` [dpdk-dev] [PATCH v3 3/6] net/mlx5: register multiple pool for Rx queue Viacheslav Ovsiienko
2020-10-26 10:11     ` [dpdk-dev] [PATCH v3 4/6] net/mlx5: update Rx datapath to support split Viacheslav Ovsiienko
2020-10-26 10:11     ` [dpdk-dev] [PATCH v3 5/6] net/mlx5: report Rx segmentation capabilities Viacheslav Ovsiienko
2020-10-26 10:11     ` Viacheslav Ovsiienko [this message]
2020-10-26 11:54   ` [dpdk-dev] [PATCH v4 0/6] net/mlx5: add Rx buffer split support Viacheslav Ovsiienko
2020-10-26 11:55     ` [dpdk-dev] [PATCH v4 1/6] net/mlx5: add extended Rx queue setup routine Viacheslav Ovsiienko
2020-10-26 11:55     ` [dpdk-dev] [PATCH v4 2/6] net/mlx5: configure Rx queue to support split Viacheslav Ovsiienko
2020-10-26 11:55     ` [dpdk-dev] [PATCH v4 3/6] net/mlx5: register multiple pool for Rx queue Viacheslav Ovsiienko
2020-10-26 11:55     ` [dpdk-dev] [PATCH v4 4/6] net/mlx5: update Rx datapath to support split Viacheslav Ovsiienko
2020-10-26 11:55     ` [dpdk-dev] [PATCH v4 5/6] net/mlx5: report Rx segmentation capabilities Viacheslav Ovsiienko
2020-10-26 11:55     ` [dpdk-dev] [PATCH v4 6/6] doc: add buffer split feature limitation to mlx5 guide Viacheslav Ovsiienko
2020-10-26 15:25     ` [dpdk-dev] [PATCH v4 0/6] net/mlx5: add Rx buffer split support Raslan Darawsheh
2020-10-26 17:04       ` Ferruh Yigit
2020-10-26 17:38         ` Slava Ovsiienko
2020-10-27 11:05           ` Ferruh Yigit
2020-10-27 19:05             ` Slava Ovsiienko
2020-10-29 13:09               ` Ferruh Yigit
2020-10-29 14:21                 ` Slava Ovsiienko
2020-10-26 17:17   ` [dpdk-dev] [PATCH] net/mlx5: fix Rx queue initialization for scattered segment Viacheslav Ovsiienko
2020-10-26 18:07     ` Raslan Darawsheh
2020-10-22 15:42 ` [dpdk-dev] [PATCH 2/5] net/mlx5: configure Rx queue to support split Viacheslav Ovsiienko
2020-10-22 15:42 ` [dpdk-dev] [PATCH 3/5] net/mlx5: register multiple pool for Rx queue Viacheslav Ovsiienko
2020-10-22 15:42 ` [dpdk-dev] [PATCH 4/5] net/mlx5: update Rx datapath to support split Viacheslav Ovsiienko
2020-10-22 15:42 ` [dpdk-dev] [PATCH 5/5] net/mlx5: report Rx segmentation capabilies Viacheslav Ovsiienko

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