netdev - Re: [PATCH net-next] octeontx2: cn10k: fix RX flowid TCAM mask handling

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Message-ID: <20260119101246.420acd4a@kernel.org>
Date: Mon, 19 Jan 2026 10:12:46 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Alok Tiwari <alok.a.tiwari@...cle.com>
Cc: sd@...asysnail.net, bbhushan2@...vell.com, pabeni@...hat.com,
 edumazet@...gle.com, davem@...emloft.net, andrew+netdev@...n.ch,
 sbhatta@...vell.com, jerinj@...vell.com, hkelam@...vell.com,
 gakula@...vell.com, lcherian@...vell.com, sgoutham@...vell.com,
 george.cherian@...vell.com, netdev@...r.kernel.org,
 alok.a.tiwarilinux@...il.com
Subject: Re: [PATCH net-next] octeontx2: cn10k: fix RX flowid TCAM mask
 handling

On Fri, 16 Jan 2026 08:47:12 -0800 Alok Tiwari wrote:
> The RX flowid programming initializes the TCAM mask to all ones, but
> then overwrites it when clearing the MAC DA mask bits. This results
> in losing the intended initialization and may affect other match fields.
> 
> Update the code to clear the MAC DA bits using an AND operation, making
> the handling of mask[0] consistent with mask[1], where the field-specific
> bits are cleared after initializing the mask to ~0ULL.

In the future - if the code exists in Linus's tree the fix must have 
a Fixes tag and target net.