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Thu, 1 Dec 2022 10:00:55 -0800 Received: from hyd1soter3.marvell.com (unknown [10.29.37.12]) by maili.marvell.com (Postfix) with ESMTP id B686E5B6921; Thu, 1 Dec 2022 10:00:52 -0800 (PST) From: Hariprasad Kelam To: , CC: , , , , , , , , Subject: [net-next PATCH v3 3/4] octeontx2-pf: ethtool: Implement get_fec_stats Date: Thu, 1 Dec 2022 23:30:39 +0530 Message-ID: <20221201180040.14147-4-hkelam@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221201180040.14147-1-hkelam@marvell.com> References: <20221201180040.14147-1-hkelam@marvell.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-GUID: 3QMJ-HFO5DXDwQJfzr-loui81ewIto1l X-Proofpoint-ORIG-GUID: 3QMJ-HFO5DXDwQJfzr-loui81ewIto1l X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-01_12,2022-12-01_01,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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 --- v3 * Dont remove existing FEC stats support over ethtool statistics (ethtool -S) .../marvell/octeontx2/nic/otx2_ethtool.c | 40 +++++++++++++++++++ 1 file changed, 40 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..85f46e15ac03 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c @@ -1268,6 +1268,45 @@ 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); + + 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; + } + } + } else { + /* 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; + } +} + static const struct ethtool_ops otx2_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES | @@ -1298,6 +1337,7 @@ 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, -- 2.17.1