linux-kernel - RE: [EXT] Re: [net PATCH 5/5] octeontx2-af: Update Tx link register range

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Message-ID: <DM6PR18MB2602C7C1E0D8F87B1D50906FCDB9A@DM6PR18MB2602.namprd18.prod.outlook.com>
Date:   Thu, 23 Nov 2023 12:45:09 +0000
From:   Geethasowjanya Akula <gakula@...vell.com>
To:     Wojciech Drewek <wojciech.drewek@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     "kuba@...nel.org" <kuba@...nel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
        Hariprasad Kelam <hkelam@...vell.com>
Subject: RE: [EXT] Re: [net PATCH 5/5] octeontx2-af: Update Tx link register
 range



> -----Original Message-----
> From: Wojciech Drewek <wojciech.drewek@...el.com>
> Sent: Thursday, November 23, 2023 4:28 PM
> To: Geethasowjanya Akula <gakula@...vell.com>; netdev@...r.kernel.org;
> linux-kernel@...r.kernel.org
> Cc: kuba@...nel.org; davem@...emloft.net; pabeni@...hat.com;
> edumazet@...gle.com; Sunil Kovvuri Goutham <sgoutham@...vell.com>;
> Subbaraya Sundeep Bhatta <sbhatta@...vell.com>; Hariprasad Kelam
> <hkelam@...vell.com>
> Subject: [EXT] Re: [net PATCH 5/5] octeontx2-af: Update Tx link register range
> 
> External Email
> 
> ----------------------------------------------------------------------
> 
> 
> On 23.11.2023 06:59, Geetha sowjanya wrote:
> > On new silicons the TX channels for transmit level has increased.
> 
> Will it still work with older silicon?
Yes. This registers accessed based on number of channels supported by silicon.
> 
> > This patch fixes the respective register offset range to configure the
> > newly added channels.
> >
> > Fixes: b279bbb3314e ("octeontx2-af: NIX Tx scheduler queue config
> > support")
> > Signed-off-by: Rahul Bhansali <rbhansali@...vell.com>
> 
> What Rahul's signed-off stands for?
He is the actual author. Will fix the author name in next version.
> 
> > Signed-off-by: Geetha sowjanya <gakula@...vell.com>
> > ---
> >  drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c
> > b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c
> > index b3150f053291..d46ac29adb96 100644
> > --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c
> > +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c
> > @@ -31,8 +31,8 @@ static struct hw_reg_map
> txsch_reg_map[NIX_TXSCH_LVL_CNT] = {
> >  	{NIX_TXSCH_LVL_TL4, 3, 0xFFFF, {{0x0B00, 0x0B08}, {0x0B10,
> 0x0B18},
> >  			      {0x1200, 0x12E0} } },
> >  	{NIX_TXSCH_LVL_TL3, 4, 0xFFFF, {{0x1000, 0x10E0}, {0x1600, 0x1608},
> > -			      {0x1610, 0x1618}, {0x1700, 0x17B0} } },
> > -	{NIX_TXSCH_LVL_TL2, 2, 0xFFFF, {{0x0E00, 0x0EE0}, {0x1700, 0x17B0}
> } },
> > +			      {0x1610, 0x1618}, {0x1700, 0x17C8} } },
> > +	{NIX_TXSCH_LVL_TL2, 2, 0xFFFF, {{0x0E00, 0x0EE0}, {0x1700, 0x17C8}
> }
> > +},
> >  	{NIX_TXSCH_LVL_TL1, 1, 0xFFFF, {{0x0C00, 0x0D98} } },  };
> >