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Message-ID: <CAH-L+nMPjgN-Vf9kquG8+F8DJ9sWz++9p11Wx5yG5HcRogJTTA@mail.gmail.com>
Date: Tue, 2 Jul 2024 09:27:26 +0530
From: Kalesh Anakkur Purayil <kalesh-anakkur.purayil@...adcom.com>
To: Srujana Challa <schalla@...vell.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kuba@...nel.org, 
	davem@...emloft.net, pabeni@...hat.com, sgoutham@...vell.com, 
	lcherian@...vell.com, gakula@...vell.com, jerinj@...vell.com, 
	hkelam@...vell.com, sbhatta@...vell.com, 
	Kiran Kumar K <kirankumark@...vell.com>
Subject: Re: [PATCH net,4/6] octeontx2-af: Fix issue with IPv6 ext match for RSS

On Mon, Jul 1, 2024 at 2:38 PM Srujana Challa <schalla@...vell.com> wrote:
>
> From: Kiran Kumar K <kirankumark@...vell.com>
>
> While performing RSS based on IPv6, extension ltype
> is not being considered. This will be problem for
> fragmented packets or packets with extension header.
> Adding changes to match IPv6 ext header along with IPv6
> ltype.
>
> Fixes: 41a7aa7b800d ("octeontx2-af: NIX Rx flowkey configuration for RSS")
> Signed-off-by: Kiran Kumar K <kirankumark@...vell.com>
> ---
>  drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
> index 00af8888e329..bf5c9cc3df87 100644
> --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
> +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
> @@ -3990,7 +3990,7 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
>                                         field->bytesm1 = 15; /* DIP,16 bytes */
>                                 }
>                         }
> -                       field->ltype_mask = 0xF; /* Match only IPv6 */
> +                       field->ltype_mask = 0xE; /* Match IPv6 and IPv6_ext */
[Kalesh] I would suggest you to have a macro + short comment for the
magic number. This magic number is used at multiple places(subsequent
patches in this series).

>                         break;
>                 case NIX_FLOW_KEY_TYPE_TCP:
>                 case NIX_FLOW_KEY_TYPE_UDP:
> --
> 2.25.1
>
>


-- 
Regards,
Kalesh A P

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