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Message-ID: <20250407151332.GO395307@horms.kernel.org>
Date: Mon, 7 Apr 2025 16:13:32 +0100
From: Simon Horman <horms@...nel.org>
To: Hariprasad Kelam <hkelam@...vell.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Sunil Goutham <sgoutham@...vell.com>,
	Geetha sowjanya <gakula@...vell.com>,
	Subbaraya Sundeep <sbhatta@...vell.com>,
	Bharat Bhushan <bbhushan2@...vell.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Naveen Mamindlapalli <naveenm@...vell.com>
Subject: Re: [net PATCH] octeontx2-pf: qos: fix VF root node parent queue
 index

On Mon, Apr 07, 2025 at 12:33:41PM +0530, Hariprasad Kelam wrote:
> The current code configures the Physical Function (PF) root node at TL1
> and the Virtual Function (VF) root node at TL2.
> 
> This ensure at any given point of time PF traffic gets more priority.
> 
>                     PF root node
>                       TL1
>                      /  \
>                     TL2  TL2 VF root node
>                     /     \
>                    TL3    TL3
>                    /       \
>                   TL4      TL4
>                   /         \
>                  SMQ        SMQ
> 
> Due to a bug in the current code, the TL2 parent queue index on the
> VF interface is not being configured, leading to 'SMQ Flush' errors
> 
> Fixes: 5e6808b4c68d ("octeontx2-pf: Add support for HTB offload")
> Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>

Reviewed-by: Simon Horman <horms@...nel.org>


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