From: kumaraparameshwaran rathinavel <kumaraparamesh92@gmail.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev <dev@dpdk.org>
Subject: Re: [PATCH] net/tap: add deprecation notice for RTE_FLOW_ACTION_RSS
Date: Fri, 15 Dec 2023 00:18:41 +0530 [thread overview]
Message-ID: <CANxNyaueUkLRb-7aFzjO2dFAocWSEJpZ+p3tY35juPTUK13a-A@mail.gmail.com> (raw)
In-Reply-To: <20231214174951.8317-1-stephen@networkplumber.org>
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On Thu, Dec 14, 2023, 11:20 PM Stephen Hemminger <stephen@networkplumber.org>
wrote:
> The BPF infrastructure in kernel changed which broke the method
> being used to load the RSS part of rte_flow in the TAP device.
> Since this is a little used feature, and fixing the problem would
> be moderately complex and create new dependency on libbpf,
> mark the feature as deprecated and plan for removal.
Does this mean that RSS will not work with netvsc as netvsc is using
tap and mellanox ? Or will that not be affected .
>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
> doc/guides/rel_notes/deprecation.rst | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/doc/guides/rel_notes/deprecation.rst
> b/doc/guides/rel_notes/deprecation.rst
> index 81b93515cbd9..7d9012ada2d7 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -146,3 +146,8 @@ Deprecation Notices
> will be deprecated and subsequently removed in DPDK 24.11 release.
> Before this, the new port library API (functions rte_swx_port_*)
> will gradually transition from experimental to stable status.
> +
> +* tap: The support for RTE_FLOW_ACTION_TYPE_RSS is deprecated and
> + will be removed in DPDK 24.11 release. It is already broken on recent
> + Linux kernels due to changes in how BPF programs are loaded,
> + and will not be fixed.
> --
> 2.43.0
>
>
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next prev parent reply other threads:[~2023-12-14 18:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-14 17:49 Stephen Hemminger
2023-12-14 18:03 ` Ferruh Yigit
2023-12-14 18:48 ` kumaraparameshwaran rathinavel [this message]
2023-12-15 3:01 ` Stephen Hemminger
2023-12-15 4:58 ` kumaraparameshwaran rathinavel
2023-12-15 3:57 ` Stephen Hemminger
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