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net: dsa: mv88e6xxx: Add "rmon" counter group support

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Report the applicable subset of an mv88e6xxx port's counters using
ethtool's standardized "rmon" 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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Waldekranz 2023-12-14 14:50:28 +01:00 • committed by David S. Miller
parent ceea48efa3
commit 394518e3c1
1 changed files with 42 additions and 0 deletions
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42
drivers/net/dsa/mv88e6xxx/chip.c
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@ -1369,6 +1369,47 @@ static void mv88e6xxx_get_eth_mac_stats(struct dsa_switch *ds, int port,
mac_stats->stats.FramesReceivedOK += mac_stats->stats.BroadcastFramesReceivedOK;
}
static void mv88e6xxx_get_rmon_stats(struct dsa_switch *ds, int port,
struct ethtool_rmon_stats *rmon_stats,
const struct ethtool_rmon_hist_range **ranges)
{
static const struct ethtool_rmon_hist_range rmon_ranges[] = {
{ 64, 64 },
{ 65, 127 },
{ 128, 255 },
{ 256, 511 },
{ 512, 1023 },
{ 1024, 65535 },
{}
};
struct mv88e6xxx_chip *chip = ds->priv;
int ret;
ret = mv88e6xxx_stats_snapshot(chip, port);
if (ret < 0)
return;
#define MV88E6XXX_RMON_STAT_MAP(_id, _member) \
mv88e6xxx_stats_get_stat(chip, port, \
&mv88e6xxx_hw_stats[MV88E6XXX_HW_STAT_ID_ ## _id], \
&rmon_stats->stats._member)
MV88E6XXX_RMON_STAT_MAP(in_undersize, undersize_pkts);
MV88E6XXX_RMON_STAT_MAP(in_oversize, oversize_pkts);
MV88E6XXX_RMON_STAT_MAP(in_fragments, fragments);
MV88E6XXX_RMON_STAT_MAP(in_jabber, jabbers);
MV88E6XXX_RMON_STAT_MAP(hist_64bytes, hist[0]);
MV88E6XXX_RMON_STAT_MAP(hist_65_127bytes, hist[1]);
MV88E6XXX_RMON_STAT_MAP(hist_128_255bytes, hist[2]);
MV88E6XXX_RMON_STAT_MAP(hist_256_511bytes, hist[3]);
MV88E6XXX_RMON_STAT_MAP(hist_512_1023bytes, hist[4]);
MV88E6XXX_RMON_STAT_MAP(hist_1024_max_bytes, hist[5]);
#undef MV88E6XXX_RMON_STAT_MAP
*ranges = rmon_ranges;
}
static int mv88e6xxx_get_regs_len(struct dsa_switch *ds, int port)
{
struct mv88e6xxx_chip *chip = ds->priv;
@ -6891,6 +6932,7 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
.get_strings = mv88e6xxx_get_strings,
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
.get_eth_mac_stats = mv88e6xxx_get_eth_mac_stats,
.get_rmon_stats = mv88e6xxx_get_rmon_stats,
.get_sset_count = mv88e6xxx_get_sset_count,
.port_max_mtu = mv88e6xxx_get_max_mtu,
.port_change_mtu = mv88e6xxx_change_mtu,