Commit c1912ab0 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

mlxsw: implement ethtool standard stats 



mlxsw has nicely grouped stats, add support for standard uAPI.
I'm guessing the register access part. Compile tested only.

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a8b06e9d

drivers/net/ethernet/mellanox/mlxsw/spectrum_ethtool.c

+129 −0
Original line number Diff line number Diff line
@@ -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 {