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From:   Ratheesh Kannoth <rkannoth@marvell.com>
To:     Jakub Kicinski <kuba@kernel.org>
CC:     "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Sunil Kovvuri Goutham <sgoutham@marvell.com>,
        "davem@davemloft.net" <davem@davemloft.net>,
        "edumazet@google.com" <edumazet@google.com>,
        "pabeni@redhat.com" <pabeni@redhat.com>
Subject: RE: [EXT] Re: [net-next PATCH V3 02/12] octeontx2-af: Exact match
 support
Thread-Topic: [EXT] Re: [net-next PATCH V3 02/12] octeontx2-af: Exact match
 support
Thread-Index: AQHYkdQSs/lZkTgqfEu+juq6npVyAK1zpoSAgABA1kA=
Date:   Fri, 8 Jul 2022 04:48:12 +0000
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-----Original Message-----
From: Jakub Kicinski <kuba@kernel.org>=20
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 Gou=
tham <sgoutham@marvell.com>; davem@davemloft.net; edumazet@google.com; pabe=
ni@redhat.com
Subject: [EXT] Re: [net-next PATCH V3 02/12] octeontx2-af: Exact match supp=
ort

External Email

----------------------------------------------------------------------
On Thu, 7 Jul 2022 13:03:43 +0530 Ratheesh Kannoth wrote:
> CN10KB silicon has support for exact match table. This table can be=20
> 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.
>=20
> This patch makes use of Exact match table to increase number of DMAC=20
> filters supported. NPC  mcam is no more need for each of these DMAC=20
> entries as will be populated in Exact match table.
>=20
> This patch implements following
>=20
> 1. Initialization of exact match table only for CN10KB.
> 2. Add/del/update interface function for exact match table.
>=20
> Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>

>Build with C=3D1 (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 =20