net: dsa: Allow providing PHY statistics from CPU port
Implement the same type of ethtool diversion that we have for
ETH_SS_STATS and make it work with ETH_SS_PHY_STATS. This allows
providing PHY level statistics for CPU ports that are directly
connecting to a PHY device.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dsa/master.c b/net/dsa/master.c
index 8d27687..c90ee32 100644
--- a/net/dsa/master.c
+++ b/net/dsa/master.c
@@ -31,6 +31,32 @@ static void dsa_master_get_ethtool_stats(struct net_device *dev,
ds->ops->get_ethtool_stats(ds, port, data + count);
}
+static void dsa_master_get_ethtool_phy_stats(struct net_device *dev,
+ struct ethtool_stats *stats,
+ uint64_t *data)
+{
+ struct dsa_port *cpu_dp = dev->dsa_ptr;
+ const struct ethtool_ops *ops = cpu_dp->orig_ethtool_ops;
+ struct dsa_switch *ds = cpu_dp->ds;
+ int port = cpu_dp->index;
+ int count = 0;
+
+ if (dev->phydev && !ops->get_ethtool_phy_stats) {
+ count = phy_ethtool_get_sset_count(dev->phydev);
+ if (count >= 0)
+ phy_ethtool_get_stats(dev->phydev, stats, data);
+ } else if (ops->get_sset_count && ops->get_ethtool_phy_stats) {
+ count = ops->get_sset_count(dev, ETH_SS_PHY_STATS);
+ ops->get_ethtool_phy_stats(dev, stats, data);
+ }
+
+ if (count < 0)
+ count = 0;
+
+ if (ds->ops->get_ethtool_phy_stats)
+ ds->ops->get_ethtool_phy_stats(ds, port, data + count);
+}
+
static int dsa_master_get_sset_count(struct net_device *dev, int sset)
{
struct dsa_port *cpu_dp = dev->dsa_ptr;
@@ -38,11 +64,14 @@ static int dsa_master_get_sset_count(struct net_device *dev, int sset)
struct dsa_switch *ds = cpu_dp->ds;
int count = 0;
- if (ops->get_sset_count) {
+ if (sset == ETH_SS_PHY_STATS && dev->phydev &&
+ !ops->get_ethtool_phy_stats)
+ count = phy_ethtool_get_sset_count(dev->phydev);
+ else if (ops->get_sset_count)
count = ops->get_sset_count(dev, sset);
- if (count < 0)
- count = 0;
- }
+
+ if (count < 0)
+ count = 0;
if (ds->ops->get_sset_count)
count += ds->ops->get_sset_count(ds, cpu_dp->index, sset);
@@ -67,7 +96,14 @@ static void dsa_master_get_strings(struct net_device *dev, uint32_t stringset,
/* We do not want to be NULL-terminated, since this is a prefix */
pfx[sizeof(pfx) - 1] = '_';
- if (ops->get_sset_count && ops->get_strings) {
+ if (stringset == ETH_SS_PHY_STATS && dev->phydev &&
+ !ops->get_ethtool_phy_stats) {
+ mcount = phy_ethtool_get_sset_count(dev->phydev);
+ if (mcount < 0)
+ mcount = 0;
+ else
+ phy_ethtool_get_strings(dev->phydev, data);
+ } else if (ops->get_sset_count && ops->get_strings) {
mcount = ops->get_sset_count(dev, stringset);
if (mcount < 0)
mcount = 0;
@@ -107,6 +143,7 @@ static int dsa_master_ethtool_setup(struct net_device *dev)
ops->get_sset_count = dsa_master_get_sset_count;
ops->get_ethtool_stats = dsa_master_get_ethtool_stats;
ops->get_strings = dsa_master_get_strings;
+ ops->get_ethtool_phy_stats = dsa_master_get_ethtool_phy_stats;
dev->ethtool_ops = ops;