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From: Raslan Darawsheh <>
To: Slava Ovsiienko <>, "" <>
Cc: Matan Azrad <>, Ori Kam <>,
	"" <>
Subject: Re: [dpdk-stable] [PATCH] net/mlx5: fix Rx metadata leftovers
Date: Tue, 16 Mar 2021 16:15:19 +0000
Message-ID: <> (raw)
In-Reply-To: <>


> -----Original Message-----
> From: Viacheslav Ovsiienko <>
> Sent: Sunday, March 7, 2021 1:46 PM
> To:
> Cc: Raslan Darawsheh <>; Matan Azrad
> <>; Ori Kam <>;
> Subject: [PATCH] net/mlx5: fix Rx metadata leftovers
> The Rx metadata might use the metadata register C0 to keep the
> values. The same register C0 might be used by kernel for source
> vport value handling, kernel uses upper half of the register,
> leaving the lower half for application usage.
> In the extended metadata mode 1 (dv_xmeta_en devarg is
> assigned with value 1) the metadata width is 16 bits only,
> the Rx datapath code fetched the entire 32-bit value of the
> metadata register and presented one to application. The patch
> provides data masking depending on the chosen metadata mode.
> Fixes: 6c55b622a956 ("net/mlx5: set dynamic flow metadata in Rx queues")
> Cc:
> Signed-off-by: Viacheslav Ovsiienko <>

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh

      parent reply	other threads:[~2021-03-16 16:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-07 11:45 Viacheslav Ovsiienko
2021-03-11 19:58 ` Matan Azrad
2021-03-16 16:15 ` Raslan Darawsheh [this message]

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