# Re: \[Patch v2 net-next 4/7\] octeontx2-af: Physical link configuration support

- From: Hariprasad Kelam \<hidden\>
- Date: 2021-01-30 09:56:58 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/01/6252400
- Thread: https://ratatoskr.run/netdev/2021/01/6252400/t.md

```text
Hi Willem,



> -----Original Message-----
> From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
> Sent: Thursday, January 28, 2021 2:04 AM
> To: Hariprasad Kelam <redacted>
> Cc: Network Development <redacted>; LKML <linux-
> kernel@vger.kernel.org>; David Miller [ref]; Jakub
> Kicinski [ref]; Sunil Kovvuri Goutham
> [ref]; Linu Cherian [ref];
> Geethasowjanya Akula [ref]; Jerin Jacob Kollanukkaran
> [ref]; Subbaraya Sundeep Bhatta [ref];
> Christina Jacob [ref]
> Subject: [EXT] Re: [Patch v2 net-next 4/7] octeontx2-af: Physical link
> configuration support
> 
> On Wed, Jan 27, 2021 at 4:02 AM Hariprasad Kelam [ref]
> wrote:
> >
> > From: Christina Jacob <redacted>
> >
> > 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 <redacted>
> > Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
> > Signed-off-by: Hariprasad Kelam <redacted>
> 
> > +int rvu_mbox_handler_cgx_set_link_mode(struct rvu *rvu,
> > +                                      struct cgx_set_link_mode_req *req,
> > +                                      struct cgx_set_link_mode_rsp
> > +*rsp) {
> > +       int pf = rvu_get_pf(req->hdr.pcifunc);
> > +       u8 cgx_idx, lmac;
> > +       void *cgxd;
> > +
> > +       if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
> > +               return -EPERM;
> > +
> > +       rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_idx, &lmac);
> > +       cgxd = rvu_cgx_pdata(cgx_idx, rvu);
> > +       rsp->status =  cgx_set_link_mode(cgxd, req->args, cgx_idx,
> > + lmac);
> 
> nit: two spaces after assignment operator.
> 
> on the point of no new inline: do also check the status in patchwork.
> that also flags such issues.
Thanks for the review. Will fix in next version.

Thanks,
Hariprasad k
```