Commit b441c4ac authored by Hariprasad Kelam's avatar Hariprasad Kelam Committed by Paolo Abeni
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octeontx2-pf: ethtool: Implement get_fec_stats 



This patch registers a callback for get_fec_stats such that
FEC stats can be queried from the below command

"ethtool -I --show-fec eth0"

Signed-off-by: default avatarHariprasad Kelam <hkelam@marvell.com>
Signed-off-by: default avatarSunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent b9d0fedc

drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c

+34 −0
Original line number Diff line number Diff line
@@ -1268,6 +1268,39 @@ static int otx2_set_link_ksettings(struct net_device *netdev, 
	return err;

}



static void otx2_get_fec_stats(struct net_device *netdev,

			       struct ethtool_fec_stats *fec_stats)

{

	struct otx2_nic *pfvf = netdev_priv(netdev);

	struct cgx_fw_data *rsp;



	otx2_update_lmac_fec_stats(pfvf);



	/* Report MAC FEC stats */

	fec_stats->corrected_blocks.total     = pfvf->hw.cgx_fec_corr_blks;

	fec_stats->uncorrectable_blocks.total = pfvf->hw.cgx_fec_uncorr_blks;



	rsp = otx2_get_fwdata(pfvf);

	if (!IS_ERR(rsp) && rsp->fwdata.phy.misc.has_fec_stats &&

	    !otx2_get_phy_fec_stats(pfvf)) {

		/* Fetch fwdata again because it's been recently populated with

		 * latest PHY FEC stats.

		 */

		rsp = otx2_get_fwdata(pfvf);

		if (!IS_ERR(rsp)) {

			struct fec_stats_s *p = &rsp->fwdata.phy.fec_stats;



			if (pfvf->linfo.fec == OTX2_FEC_BASER) {

				fec_stats->corrected_blocks.total = p->brfec_corr_blks;

				fec_stats->uncorrectable_blocks.total = p->brfec_uncorr_blks;

			} else {

				fec_stats->corrected_blocks.total = p->rsfec_corr_cws;

				fec_stats->uncorrectable_blocks.total = p->rsfec_uncorr_cws;

			}

		}

	}

}



static const struct ethtool_ops otx2_ethtool_ops = {

	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |

				     ETHTOOL_COALESCE_MAX_FRAMES |
@@ -1298,6 +1331,7 @@ static const struct ethtool_ops otx2_ethtool_ops = { 
	.get_pauseparam		= otx2_get_pauseparam,

	.set_pauseparam		= otx2_set_pauseparam,

	.get_ts_info		= otx2_get_ts_info,

	.get_fec_stats		= otx2_get_fec_stats,

	.get_fecparam		= otx2_get_fecparam,

	.set_fecparam		= otx2_set_fecparam,

	.get_link_ksettings     = otx2_get_link_ksettings,