diff mbox series

[v4,net-next,5/8] net: dsa: mv88e6xxx: Add "eth-mac" counter group support

Message ID 20231214135029.383595-6-tobias@waldekranz.com (mailing list archive)
State Accepted
Commit 0e047cec779697764af371df3db2a3e6d865c185
Delegated to: Netdev Maintainers
Headers show
Series net: dsa: mv88e6xxx: Add "eth-mac" and "rmon" counter group support | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1115 this patch: 1115
netdev/cc_maintainers warning 3 maintainers not CCed: linux@armlinux.org.uk pabeni@redhat.com edumazet@google.com
netdev/build_clang success Errors and warnings before: 1142 this patch: 1142
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1142 this patch: 1142
netdev/checkpatch warning WARNING: line length of 85 exceeds 80 columns WARNING: line length of 88 exceeds 80 columns WARNING: line length of 90 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Tobias Waldekranz Dec. 14, 2023, 1:50 p.m. UTC 
Report the applicable subset of an mv88e6xxx port's counters using
ethtool's standardized "eth-mac" counter group.

Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
---
 drivers/net/dsa/mv88e6xxx/chip.c | 39 ++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index c1cfe4f72868..627ed0d8be94 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1331,6 +1331,44 @@  static void mv88e6xxx_get_ethtool_stats(struct dsa_switch *ds, int port,
 	mv88e6xxx_get_stats(chip, port, data);
 }
 
+static void mv88e6xxx_get_eth_mac_stats(struct dsa_switch *ds, int port,
+					struct ethtool_eth_mac_stats *mac_stats)
+{
+	struct mv88e6xxx_chip *chip = ds->priv;
+	int ret;
+
+	ret = mv88e6xxx_stats_snapshot(chip, port);
+	if (ret < 0)
+		return;
+
+#define MV88E6XXX_ETH_MAC_STAT_MAP(_id, _member)			\
+	mv88e6xxx_stats_get_stat(chip, port,				\
+				 &mv88e6xxx_hw_stats[MV88E6XXX_HW_STAT_ID_ ## _id], \
+				 &mac_stats->stats._member)
+
+	MV88E6XXX_ETH_MAC_STAT_MAP(out_unicast, FramesTransmittedOK);
+	MV88E6XXX_ETH_MAC_STAT_MAP(single, SingleCollisionFrames);
+	MV88E6XXX_ETH_MAC_STAT_MAP(multiple, MultipleCollisionFrames);
+	MV88E6XXX_ETH_MAC_STAT_MAP(in_unicast, FramesReceivedOK);
+	MV88E6XXX_ETH_MAC_STAT_MAP(in_fcs_error, FrameCheckSequenceErrors);
+	MV88E6XXX_ETH_MAC_STAT_MAP(out_octets, OctetsTransmittedOK);
+	MV88E6XXX_ETH_MAC_STAT_MAP(deferred, FramesWithDeferredXmissions);
+	MV88E6XXX_ETH_MAC_STAT_MAP(late, LateCollisions);
+	MV88E6XXX_ETH_MAC_STAT_MAP(in_good_octets, OctetsReceivedOK);
+	MV88E6XXX_ETH_MAC_STAT_MAP(out_multicasts, MulticastFramesXmittedOK);
+	MV88E6XXX_ETH_MAC_STAT_MAP(out_broadcasts, BroadcastFramesXmittedOK);
+	MV88E6XXX_ETH_MAC_STAT_MAP(excessive, FramesWithExcessiveDeferral);
+	MV88E6XXX_ETH_MAC_STAT_MAP(in_multicasts, MulticastFramesReceivedOK);
+	MV88E6XXX_ETH_MAC_STAT_MAP(in_broadcasts, BroadcastFramesReceivedOK);
+
+#undef MV88E6XXX_ETH_MAC_STAT_MAP
+
+	mac_stats->stats.FramesTransmittedOK += mac_stats->stats.MulticastFramesXmittedOK;
+	mac_stats->stats.FramesTransmittedOK += mac_stats->stats.BroadcastFramesXmittedOK;
+	mac_stats->stats.FramesReceivedOK += mac_stats->stats.MulticastFramesReceivedOK;
+	mac_stats->stats.FramesReceivedOK += mac_stats->stats.BroadcastFramesReceivedOK;
+}
+
 static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
 {
 	struct mv88e6xxx_chip *chip = ds->priv;
@@ -6852,6 +6890,7 @@  static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
 	.phylink_mac_link_up	= mv88e6xxx_mac_link_up,
 	.get_strings		= mv88e6xxx_get_strings,
 	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
+	.get_eth_mac_stats	= mv88e6xxx_get_eth_mac_stats,
 	.get_sset_count		= mv88e6xxx_get_sset_count,
 	.port_max_mtu		= mv88e6xxx_get_max_mtu,
 	.port_change_mtu	= mv88e6xxx_change_mtu,