linux-kernel - Re: [net PATCH V2] octeontx2-pf: Fix pfc_alloc

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Date:   Wed, 23 Nov 2022 13:08:37 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Suman Ghosh <sumang@...vell.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, sgoutham@...vell.com, sbhatta@...vell.com,
        jerinj@...vell.com, gakula@...vell.com, hkelam@...vell.com,
        lcherian@...vell.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [net PATCH V2] octeontx2-pf: Fix pfc_alloc_status array overflow

On Wed, Nov 23, 2022 at 04:29:38PM +0530, Suman Ghosh wrote:
> This patch addresses pfc_alloc_status array overflow occurring for
> send queue index value greater than PFC priority. Queue index can be
> greater than supported PFC priority for multiple scenarios (e.g. QoS,
> during non zero SMQ allocation for a PF/VF).
> In those scenarios the API should return default tx scheduler '0'.
> This is causing mbox errors as otx2_get_smq_idx returing invalid smq value.
> 
> Fixes: 99c969a83d82 ("octeontx2-pf: Add egress PFC support")
> Signed-off-by: Suman Ghosh <sumang@...vell.com>
> ---
> Changes since v1:
> - Updated commit message.
> 
>  drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leonro@...dia.com>