netdev - Re: [PATCH net] amd-xgbe: reset retries and mode on RX adapt failures

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Message-ID: <aUE-L3LsRa4bUn1-@horms.kernel.org>
Date: Tue, 16 Dec 2025 11:10:39 +0000
From: Simon Horman <horms@...nel.org>
To: Raju Rangoju <Raju.Rangoju@....com>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, kuba@...nel.org,
	edumazet@...gle.com, davem@...emloft.net, andrew+netdev@...n.ch,
	Shyam-sundar.S-k@....com
Subject: Re: [PATCH net] amd-xgbe: reset retries and mode on RX adapt failures

On Mon, Dec 15, 2025 at 08:47:28PM +0530, Raju Rangoju wrote:
> During the stress tests, early RX adaptation handshakes can fail, such
> as missing the RX_ADAPT ACK or not receiving a coefficient update before
> block lock is established. Continuing to retry RX adaptation in this
> state is often ineffective if the current mode selection is not viable.
> 
> Resetting the RX adaptation retry counter when an RX_ADAPT request fails
> to receive ACK or a coefficient update prior to block lock, and clearing
> mode_set so the next bring-up performs a fresh mode selection rather
> than looping on a likely invalid configuration.
> 
> Fixes: 4f3b20bfbb75 ("amd-xgbe: add support for rx-adaptation")
> Signed-off-by: Raju Rangoju <Raju.Rangoju@....com>

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