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Message-ID: <20240416102236.GH2320920@kernel.org>
Date: Tue, 16 Apr 2024 11:22:36 +0100
From: Simon Horman <horms@...nel.org>
To: Sai Krishna <saikrishnag@...vell.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, sgoutham@...vell.com,
	gakula@...vell.com, hkelam@...vell.com, sbhatta@...vell.com
Subject: Re: [net-next PATCH] octeontx2-pf: Add ucast filter count
 configurability via devlink.

On Sun, Apr 14, 2024 at 04:28:30PM +0530, Sai Krishna wrote:
> Added a devlink param to set/modify unicast filter count. Currently
> it's hardcoded with a macro.

Hi Sai,

I think it would be nice to provide a sample devlink command in
the patch description, as you did for:

2da489432747 ("octeontx2-pf: devlink params support to set mcam entry count")

> Signed-off-by: Sai Krishna <saikrishnag@...vell.com>

...

> diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c

...

> +static int otx2_dl_ucast_flt_cnt_get(struct devlink *devlink, u32 id,
> +				     struct devlink_param_gset_ctx *ctx)
> +{
> +	struct otx2_devlink *otx2_dl = devlink_priv(devlink);
> +	struct otx2_nic *pfvf = otx2_dl->pfvf;
> +
> +	if (!pfvf->flow_cfg) {
> +		ctx->val.vu8 = 0;
> +		return 0;
> +	}
> +
> +	ctx->val.vu8 = pfvf->flow_cfg->ucast_flt_cnt;

nit: perhaps this could be more succinctly expressed as follows
     (completely untested!):

	ctx->val.vu8 = pfvf->flow_cfg ? pfvf->flow_cfg->ucast_flt_cnt : 0;

> +
> +	return 0;
> +}

...

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