From b441c4ac5ea37251d6acabe679215a828025004b Mon Sep 17 00:00:00 2001 From: Hariprasad Kelam Date: Mon, 5 Dec 2022 12:35:20 +0530 Subject: 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: Hariprasad Kelam Signed-off-by: Sunil Kovvuri Goutham Signed-off-by: Paolo Abeni --- .../ethernet/marvell/octeontx2/nic/otx2_ethtool.c | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c index 0eb74e8c553d..0f8d1a69139f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c @@ -1268,6 +1268,39 @@ end: 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, -- cgit v1.2.3