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From: Ferruh Yigit <ferruh.yigit@amd.com>
To: Stephen Hemminger <stephen@networkplumber.org>, dev@dpdk.org
Subject: Re: [PATCH] net/tap: add deprecation notice for RTE_FLOW_ACTION_RSS
Date: Thu, 14 Dec 2023 18:03:45 +0000	[thread overview]
Message-ID: <1bf6e789-4939-4044-851f-b10f8f0c7d30@amd.com> (raw)
In-Reply-To: <20231214174951.8317-1-stephen@networkplumber.org>

On 12/14/2023 5:49 PM, Stephen Hemminger 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.
> 
> 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.
>

It wasn't even building until Stephen fixed it. It is an effort to keep
it functional, unless someone commits on maintaining the feature I am
for removing it.


Acked-by: Ferruh Yigit <ferruh.yigit@amd.com>



  reply	other threads:[~2023-12-14 18:03 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 [this message]
2023-12-14 18:48 ` kumaraparameshwaran rathinavel
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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