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From: Jacob Keller <jacob.e.keller@intel.com>
To: "Asbjørn Sloth Tønnesen" <ast@fiberby.net>,
	netdev@vger.kernel.org, "Suman Ghosh" <sumang@marvell.com>
Cc: <linux-kernel@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	Sunil Goutham <sgoutham@marvell.com>,
	"Geetha sowjanya" <gakula@marvell.com>,
	Subbaraya Sundeep <sbhatta@marvell.com>,
	hariprasad <hkelam@marvell.com>
Subject: Re: [PATCH net] octeontx2-pf: fix FLOW_DIS_IS_FRAGMENT implementation
Date: Wed, 10 Apr 2024 15:33:05 -0700	[thread overview]
Message-ID: <2ac5e173-fee0-4f4d-a52c-17fbe554434c@intel.com> (raw)
In-Reply-To: <20240410134303.21560-1-ast@fiberby.net>



On 4/10/2024 6:43 AM, Asbjørn Sloth Tønnesen wrote:
> Upon reviewing the flower control flags handling in
> this driver, I notice that the key wasn't being used,
> only the mask.
> 
> Ie. `tc flower ... ip_flags nofrag` was hardware
> offloaded as `... ip_flags frag`.
> 
> Only compile tested, no access to HW.
> 
> Fixes: c672e3727989 ("octeontx2-pf: Add support to filter packet based on IP fragment")
> Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
> ---
> 

I know nothing about this hardware, but the change does match your
description. Hopefully someone from Marvell can comment on the hardware
aspect.

Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>

> This is a best guess on a fix, I don't know if it will work,
> but hopefully someone at Marvell can test it.
> 
> The more certain alternative would be to set an error msg.
> and return -EOPNOTSUPP, when `tc flower ip_flags nofrag`
> is used.

  reply	other threads:[~2024-04-10 22:33 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-10 13:43 [PATCH net] octeontx2-pf: fix FLOW_DIS_IS_FRAGMENT implementation Asbjørn Sloth Tønnesen
2024-04-10 22:33 ` Jacob Keller [this message]
2024-04-12  2:59 ` Jakub Kicinski
2024-04-12  5:34 ` [EXTERNAL] " Suman Ghosh
2024-04-12  9:01   ` Asbjørn Sloth Tønnesen
2024-04-12 10:25     ` Asbjørn Sloth Tønnesen
2024-04-12 11:18       ` Asbjørn Sloth Tønnesen
2024-04-12 11:52         ` Sunil Kovvuri Goutham

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