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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: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Hariprasad Kelam 2022-12-05 12:35:20 +05:30 committed by Paolo Abeni
parent b9d0fedc62
commit b441c4ac5e
1 changed files with 34 additions and 0 deletions
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34
drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c
View File

@ -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,