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From: Martin Havlik <xhavli56@stud.fit.vutbr.cz>
To: xhavli56@stud.fit.vutbr.cz, Matan Azrad <matan@nvidia.com>,
	Shahaf Shuler <shahafs@nvidia.com>,
	Viacheslav Ovsiienko <viacheslavo@nvidia.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	Asaf Penso <asafp@nvidia.com>, Jiawei Wang <jiaweiw@nvidia.com>,
	Bing Zhao <bingz@nvidia.com>, Xueming Li <xuemingl@nvidia.com>,
	Tal Shnaiderman <talshn@nvidia.com>, Shun Hao <shunh@nvidia.com>,
	Ciara Power <ciara.power@intel.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	Michael Baum <michaelba@nvidia.com>,
	Raslan Darawsheh <rasland@nvidia.com>
Cc: dev@dpdk.org, Jan Viktorin <viktorin@cesnet.cz>
Subject: [dpdk-dev] [PATCH 1/4] doc: clarify RTE flow behaviour on port stop/start
Date: Wed, 21 Jul 2021 17:55:47 +0200
Message-ID: <20210721155550.188663-2-xhavli56@stud.fit.vutbr.cz> (raw)

It is now clearly stated that RTE flow rules can be
created only after the port is started.

Signed-off-by: Martin Havlik <xhavli56@stud.fit.vutbr.cz>
 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 f5b727c1ee..119d537adf 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -1790,21 +1790,25 @@ Notes for rte_flow
 Flows are not cached in the driver.
 When stopping a device port, all the flows created on this port from the
 application will be flushed automatically in the background.
 After stopping the device port, all flows on this port become invalid and
 not represented in the system.
 All references to these flows held by the application should be discarded
 directly but neither destroyed nor flushed.
-The application should re-create the flows as required after the port restart.
+The application should re-create the flows as required after the port is
+started again.
+Creating flows before port start is not permitted. All flows the application
+wants to create have to be created after the port is started.
 Notes for testpmd
 Compared to librte_net_mlx4 that implements a single RSS configuration per
 port, librte_net_mlx5 supports per-protocol RSS configuration.
 Since ``testpmd`` defaults to IP RSS mode and there is currently no
 command-line parameter to enable additional protocols (UDP and TCP as well
 as IP), the following commands must be entered from its CLI to get the same

             reply	other threads:[~2021-07-21 15:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-21 15:55 Martin Havlik [this message]
2021-07-22 10:32 ` Andrew Rybchenko
2021-07-22 11:07   ` Dmitry Kozlyuk

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