[PATCH net-next 7/9] mlxsw: implement ethtool standard stats
From: Jakub Kicinski <kuba@kernel.org>
Date: 2021-04-16 02:28:07
Subsystem:
mellanox ethernet switch drivers, networking drivers, the rest · Maintainers:
Ido Schimmel, Petr Machata, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
mlxsw has nicely grouped stats, add support for standard uAPI. I'm guessing the register access part. Compile tested only. Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- .../mellanox/mlxsw/spectrum_ethtool.c | 129 ++++++++++++++++++ 1 file changed, 129 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
index 078601d31cde..c8061beed6db 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c@@ -1059,6 +1059,131 @@ mlxsw_sp_get_ts_info(struct net_device *netdev, struct ethtool_ts_info *info) return mlxsw_sp->ptp_ops->get_ts_info(mlxsw_sp, info); } +static void +mlxsw_sp_get_eth_phy_stats(struct net_device *dev, + struct ethtool_eth_phy_stats *phy_stats) +{ + char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; + + if (mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, + 0, ppcnt_pl)) + return; + + phy_stats->SymbolErrorDuringCarrier = + mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get(ppcnt_pl); +} + +static void +mlxsw_sp_get_eth_mac_stats(struct net_device *dev, + struct ethtool_eth_mac_stats *mac_stats) +{ + char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; + + if (mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, + 0, ppcnt_pl)) + return; + + mac_stats->FramesTransmittedOK = + mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl); + mac_stats->FramesReceivedOK = + mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl); + mac_stats->FrameCheckSequenceErrors = + mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl); + mac_stats->AlignmentErrors = + mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl); + mac_stats->OctetsTransmittedOK = + mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl); + mac_stats->OctetsReceivedOK = + mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl); + mac_stats->MulticastFramesXmittedOK = + mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get(ppcnt_pl); + mac_stats->BroadcastFramesXmittedOK = + mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get(ppcnt_pl); + mac_stats->MulticastFramesReceivedOK = + mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl); + mac_stats->BroadcastFramesReceivedOK = + mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get(ppcnt_pl); + mac_stats->InRangeLengthErrors = + mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl); + mac_stats->OutOfRangeLengthField = + mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl); + mac_stats->FrameTooLongErrors = + mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl); +} + +static void +mlxsw_sp_get_eth_ctrl_stats(struct net_device *dev, + struct ethtool_eth_ctrl_stats *ctrl_stats) +{ + char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; + + if (mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, + 0, ppcnt_pl)) + return; + + ctrl_stats->MACControlFramesTransmitted = + mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get(ppcnt_pl); + ctrl_stats->MACControlFramesReceived = + mlxsw_reg_ppcnt_a_mac_control_frames_received_get(ppcnt_pl); + ctrl_stats->UnsupportedOpcodesReceived = + mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get(ppcnt_pl); +} + +static const struct ethtool_rmon_hist_range mlxsw_rmon_ranges[] = { + { 0, 64 }, + { 65, 127 }, + { 128, 255 }, + { 256, 511 }, + { 512, 1023 }, + { 1024, 1518 }, + { 1519, 2047 }, + { 2048, 4095 }, + { 4096, 8191 }, + { 8192, 10239 }, + {} +}; + +static void +mlxsw_sp_get_rmon_stats(struct net_device *dev, + struct ethtool_rmon_stats *rmon, + const struct ethtool_rmon_hist_range **ranges) +{ + char ppcnt_pl[MLXSW_REG_PPCNT_LEN]; + + if (mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_RFC_2819_CNT, + 0, ppcnt_pl)) + return; + + rmon->undersize_pkts = + mlxsw_reg_ppcnt_ether_stats_undersize_pkts_get(ppcnt_pl); + rmon->oversize_pkts = + mlxsw_reg_ppcnt_ether_stats_oversize_pkts_get(ppcnt_pl); + rmon->fragments = + mlxsw_reg_ppcnt_ether_stats_fragments_get(ppcnt_pl); + + rmon->hist[0] = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get(ppcnt_pl); + rmon->hist[1] = + mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get(ppcnt_pl); + rmon->hist[2] = + mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get(ppcnt_pl); + rmon->hist[3] = + mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get(ppcnt_pl); + rmon->hist[4] = + mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get(ppcnt_pl); + rmon->hist[5] = + mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get(ppcnt_pl); + rmon->hist[6] = + mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get(ppcnt_pl); + rmon->hist[7] = + mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get(ppcnt_pl); + rmon->hist[8] = + mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get(ppcnt_pl); + rmon->hist[9] = + mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get(ppcnt_pl); + + *ranges = mlxsw_rmon_ranges; +} + const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { .cap_link_lanes_supported = true, .get_drvinfo = mlxsw_sp_port_get_drvinfo,
@@ -1075,6 +1200,10 @@ const struct ethtool_ops mlxsw_sp_port_ethtool_ops = { .get_module_info = mlxsw_sp_get_module_info, .get_module_eeprom = mlxsw_sp_get_module_eeprom, .get_ts_info = mlxsw_sp_get_ts_info, + .get_eth_phy_stats = mlxsw_sp_get_eth_phy_stats, + .get_eth_mac_stats = mlxsw_sp_get_eth_mac_stats, + .get_eth_ctrl_stats = mlxsw_sp_get_eth_ctrl_stats, + .get_rmon_stats = mlxsw_sp_get_rmon_stats, }; struct mlxsw_sp1_port_link_mode {
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2.30.2