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From: Andrew Rybchenko <arybchenko@solarflare.com>
To: Dekel Peled <dekelp@mellanox.com>, <dev@dpdk.org>
Cc: <jerinjacobk@gmail.com>, <stephen@networkplumber.org>,
	<ajit.khaparde@broadcom.com>, <maxime.coquelin@redhat.com>,
	<olivier.matz@6wind.com>, <david.marchand@redhat.com>,
	<ferruh.yigit@intel.com>, <asafp@mellanox.com>
Subject: Re: [dpdk-dev] [PATCH] doc: announce change in ETH item struct
Date: Wed, 5 Aug 2020 13:49:24 +0300
Message-ID: <c887b400-43d7-efc7-a7fe-6dd82bac7913@solarflare.com> (raw)
In-Reply-To: <50e5d2139368c54b414379b18a59ed46c12893f5.1596556981.git.dekelp@mellanox.com>

On 8/4/20 7:01 PM, Dekel Peled wrote:
> Struct rte_flow_item_eth will be modified to include additional
> values, indicating existence or absence of VLAN headers following
> the ETH header, as proposed in RFC
> https://mails.dpdk.org/archives/dev/2020-August/177349.html.
> Because of ABI break this change is proposed for 20.11.
> 
> Signed-off-by: Dekel Peled <dekelp@mellanox.com>
> ---
>  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 5201142..6241709 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -115,6 +115,11 @@ Deprecation Notices
>    following the IPv6 header, as proposed in RFC
>    https://mails.dpdk.org/archives/dev/2020-August/177257.html.
>  
> +* ethdev: The ``struct rte_flow_item_eth`` struct will be modified to include
> +  additional values, indicating existence or absence of VLAN headers
> +  following the ETH header, as proposed in RFC
> +  https://mails.dpdk.org/archives/dev/2020-August/177349.html.

It is unclear how it will coexist with VLAN items in a pattern.
Are you going to add consistency checks on ethdev-layer?

Also it is unclear why both bit fields and a number are
required.

Referenced RFC lacks definition of S-VLAN anc C-VLAN in
the context. Exact definition to avoid ambiguity.

So, it looks required to modify the structure, but I'd
not stick to referenced RFC, since the result could
differ a lot. May be reference it as just an example.


  parent reply	other threads:[~2020-08-05 10:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-04 16:01 Dekel Peled
2020-08-05  3:39 ` Ajit Khaparde
2020-08-05 10:49 ` Andrew Rybchenko [this message]
2020-08-05 13:31   ` Dekel Peled
2020-08-05 13:44     ` Andrew Rybchenko
2020-08-05 14:25       ` Dekel Peled
2020-08-06 10:45 ` [dpdk-dev] [PATCH v2] doc: announce change in ETH and VLAN item structs Dekel Peled
2020-08-06 12:25   ` Thomas Monjalon
2020-08-06 15:14     ` Andrew Rybchenko
2020-08-06 15:50       ` Ajit Khaparde
2020-08-06 21:57         ` Thomas Monjalon
2020-08-06 17:07   ` Ori Kam

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