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Message-ID: <MWHPR18MB14211765ABBCF76C2429E7B0DEB89@MWHPR18MB1421.namprd18.prod.outlook.com>
Date:   Sat, 30 Jan 2021 09:38:21 +0000
From:   Hariprasad Kelam <hkelam@...vell.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Linu Cherian <lcherian@...vell.com>,
        Geethasowjanya Akula <gakula@...vell.com>,
        "Jerin Jacob Kollanukkaran" <jerinj@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
        Christina Jacob <cjacob@...vell.com>
Subject: Re: [Patch v2 net-next 4/7] octeontx2-af: Physical link configuration
 support

Hi Andrew Lunn,



> -----Original Message-----
> From: Andrew Lunn <andrew@...n.ch>
> Sent: Wednesday, January 27, 2021 6:56 PM
> To: Hariprasad Kelam <hkelam@...vell.com>
> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org;
> davem@...emloft.net; kuba@...nel.org; Sunil Kovvuri Goutham
> <sgoutham@...vell.com>; Linu Cherian <lcherian@...vell.com>;
> Geethasowjanya Akula <gakula@...vell.com>; Jerin Jacob Kollanukkaran
> <jerinj@...vell.com>; Subbaraya Sundeep Bhatta <sbhatta@...vell.com>;
> Christina Jacob <cjacob@...vell.com>
> Subject: [EXT] Re: [Patch v2 net-next 4/7] octeontx2-af: Physical link
> configuration support
> 
> On Wed, Jan 27, 2021 at 01:15:49PM +0530, Hariprasad Kelam wrote:
> > From: Christina Jacob <cjacob@...vell.com>
> >
> > CGX LMAC, the physical interface support link configuration parameters
> > like speed, auto negotiation, duplex  etc. Firmware saves these into
> > memory region shared between firmware and this driver.
> >
> > This patch adds mailbox handler set_link_mode, fw_data_get to
> > configure and read these parameters.
> >
> > Signed-off-by: Christina Jacob <cjacob@...vell.com>
> > Signed-off-by: Sunil Goutham <sgoutham@...vell.com>
> > Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>
> > ---
> >  drivers/net/ethernet/marvell/octeontx2/af/cgx.c    | 60
> +++++++++++++++++++++-
> >  drivers/net/ethernet/marvell/octeontx2/af/cgx.h    |  2 +
> >  .../net/ethernet/marvell/octeontx2/af/cgx_fw_if.h  | 18 ++++++-
> >  drivers/net/ethernet/marvell/octeontx2/af/mbox.h   | 21 ++++++++
> >  .../net/ethernet/marvell/octeontx2/af/rvu_cgx.c    | 17 ++++++
> >  5 files changed, 115 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
> > b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
> > index b3ae84c..42ee67e 100644
> > --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
> > +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
> > @@ -658,6 +658,39 @@ static inline void cgx_link_usertable_init(void)
> >  	cgx_lmactype_string[LMAC_MODE_USXGMII] = "USXGMII";  }
> >
> > +static inline int cgx_link_usertable_index_map(int speed) {
> 
> Hi Christina, Hariprasad
> 
> No inline functions in .c files please. Let the compiler decide.
>
  will fix this in next version
 
> 
> > +	switch (speed) {
> > +	case SPEED_10:
> > +		return CGX_LINK_10M;
> > +	case SPEED_100:
> > +		return CGX_LINK_100M;
> > +	case SPEED_1000:
> > +		return CGX_LINK_1G;
> > +	case SPEED_2500:
> > +		return CGX_LINK_2HG;
> > +	case SPEED_5000:
> > +		return CGX_LINK_5G;
> > +	case SPEED_10000:
> > +		return CGX_LINK_10G;
> > +	case SPEED_20000:
> > +		return CGX_LINK_20G;
> > +	case SPEED_25000:
> > +		return CGX_LINK_25G;
> > +	case SPEED_40000:
> > +		return CGX_LINK_40G;
> > +	case SPEED_50000:
> > +		return CGX_LINK_50G;
> > +	case 80000:
> > +		return CGX_LINK_80G;
> > +	case SPEED_100000:
> > +		return CGX_LINK_100G;
> > +	case SPEED_UNKNOWN:
> > +		return CGX_LINK_NONE;
> > +	}
> > +	return CGX_LINK_NONE;
> > +}
> > +
> >  static inline void link_status_user_format(u64 lstat,
> >  					   struct cgx_link_user_info *linfo,
> >  					   struct cgx *cgx, u8 lmac_id)
> 
> So it looks like previous reviews did not catch inline functions. So lets say, no
> new inline functions.
> 
>      Andrew

Thanks for the review. I will fix this in next version.

Thanks,
Hariprasad k

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