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

From: Willem de Bruijn
Date: Wed Jan 27 2021 - 15:35:15 EST


On Wed, Jan 27, 2021 at 4:02 AM Hariprasad Kelam <hkelam@xxxxxxxxxxx> wrote:
>
> From: Christina Jacob <cjacob@xxxxxxxxxxx>
>
> 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@xxxxxxxxxxx>
> Signed-off-by: Sunil Goutham <sgoutham@xxxxxxxxxxx>
> Signed-off-by: Hariprasad Kelam <hkelam@xxxxxxxxxxx>

> +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.