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SubjectRE: [EXT] Re: [net-next PATCH V3 02/12] octeontx2-af: Exact match support
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-----Original Message-----
From: Jakub Kicinski <kuba@kernel.org>
Sent: Friday, July 8, 2022 6:23 AM
To: Ratheesh Kannoth <rkannoth@marvell.com>
Cc: netdev@vger.kernel.org; linux-kernel@vger.kernel.org; Sunil Kovvuri Goutham <sgoutham@marvell.com>; davem@davemloft.net; edumazet@google.com; pabeni@redhat.com
Subject: [EXT] Re: [net-next PATCH V3 02/12] octeontx2-af: Exact match support

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----------------------------------------------------------------------
On Thu, 7 Jul 2022 13:03:43 +0530 Ratheesh Kannoth wrote:
> CN10KB silicon has support for exact match table. This table can be
> used to match maimum 64 bit value of KPU parsed output.
> Hit/non hit in exact match table can be used as a KEX key to NPC mcam.
>
> This patch makes use of Exact match table to increase number of DMAC
> filters supported. NPC mcam is no more need for each of these DMAC
> entries as will be populated in Exact match table.
>
> This patch implements following
>
> 1. Initialization of exact match table only for CN10KB.
> 2. Add/del/update interface function for exact match table.
>
> Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>

>Build with C=1 (i.e. with the sparse checker) we get:

>drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:558:21: warning: dubious: x & !y

>could you figure out which one it is and if it can be muted?

Fixed. Posted new patch. Thanks a lot for pointing it out.

-Ratheesh

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