diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 0240552b50f3228b16fb310afa52a0bdbe8fd4ef..50b5eac75854e88bb4fac242f61a69ea27727a16 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -137,6 +137,22 @@ MODULE_DESCRIPTION("Marvell PHY driver");
MODULE_AUTHOR("Andy Fleming");
MODULE_LICENSE("GPL");
+struct marvell_hw_stat {
+ const char *string;
+ u8 page;
+ u8 reg;
+ u8 bits;
+};
+
+static struct marvell_hw_stat marvell_hw_stats[] = {
+ { "phy_receive_errors", 0, 21, 16},
+ { "phy_idle_errors", 0, 10, 8 },
+};
+
+struct marvell_priv {
+ u64 stats[ARRAY_SIZE(marvell_hw_stats)];
+};
+
static int marvell_ack_interrupt(struct phy_device *phydev)
{
int err;
@@ -986,12 +1002,80 @@ static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *w
return 0;
}
+static int marvell_get_sset_count(struct phy_device *phydev)
+{
+ return ARRAY_SIZE(marvell_hw_stats);
+}
+
+static void marvell_get_strings(struct phy_device *phydev, u8 *data)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++) {
+ memcpy(data + i * ETH_GSTRING_LEN,
+ marvell_hw_stats[i].string, ETH_GSTRING_LEN);
+ }
+}
+
+#ifndef UINT64_MAX
+#define UINT64_MAX (u64)(~((u64)0))
+#endif
+static u64 marvell_get_stat(struct phy_device *phydev, int i)
+{
+ struct marvell_hw_stat stat = marvell_hw_stats[i];
+ struct marvell_priv *priv = phydev->priv;
+ int err, oldpage;
+ u64 val;
+
+ oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
+ err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+ stat.page);
+ if (err < 0)
+ return UINT64_MAX;
+
+ val = phy_read(phydev, stat.reg);
+ if (val < 0) {
+ val = UINT64_MAX;
+ } else {
+ val = val & ((1 << stat.bits) - 1);
+ priv->stats[i] += val;
+ val = priv->stats[i];
+ }
+
+ phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
+
+ return val;
+}
+
+static void marvell_get_stats(struct phy_device *phydev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(marvell_hw_stats); i++)
+ data[i] = marvell_get_stat(phydev, i);
+}
+
+static int marvell_probe(struct phy_device *phydev)
+{
+ struct marvell_priv *priv;
+
+ priv = devm_kzalloc(&phydev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ phydev->priv = priv;
+
+ return 0;
+}
+
static struct phy_driver marvell_drivers[] = {
{
.phy_id = MARVELL_PHY_ID_88E1101,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1101",
.features = PHY_GBIT_FEATURES,
+ .probe = marvell_probe,
.flags = PHY_HAS_INTERRUPT,
.config_aneg = &marvell_config_aneg,
.read_status = &genphy_read_status,
@@ -999,6 +1083,9 @@ static struct phy_driver marvell_drivers[] = {
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1007,6 +1094,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1112",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_init = &m88e1111_config_init,
.config_aneg = &marvell_config_aneg,
.read_status = &genphy_read_status,
@@ -1014,6 +1102,9 @@ static struct phy_driver marvell_drivers[] = {
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1022,6 +1113,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1111",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_init = &m88e1111_config_init,
.config_aneg = &marvell_config_aneg,
.read_status = &marvell_read_status,
@@ -1029,6 +1121,9 @@ static struct phy_driver marvell_drivers[] = {
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1037,6 +1132,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1118",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_init = &m88e1118_config_init,
.config_aneg = &m88e1118_config_aneg,
.read_status = &genphy_read_status,
@@ -1044,6 +1140,9 @@ static struct phy_driver marvell_drivers[] = {
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = {.owner = THIS_MODULE,},
},
{
@@ -1052,6 +1151,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1121R",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_aneg = &m88e1121_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
@@ -1059,6 +1159,9 @@ static struct phy_driver marvell_drivers[] = {
.did_interrupt = &m88e1121_did_interrupt,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1067,6 +1170,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1318S",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_aneg = &m88e1318_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
@@ -1076,6 +1180,9 @@ static struct phy_driver marvell_drivers[] = {
.set_wol = &m88e1318_set_wol,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1084,6 +1191,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1145",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_init = &m88e1145_config_init,
.config_aneg = &marvell_config_aneg,
.read_status = &genphy_read_status,
@@ -1091,6 +1199,9 @@ static struct phy_driver marvell_drivers[] = {
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1099,6 +1210,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1149R",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_init = &m88e1149_config_init,
.config_aneg = &m88e1118_config_aneg,
.read_status = &genphy_read_status,
@@ -1106,6 +1218,9 @@ static struct phy_driver marvell_drivers[] = {
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1114,6 +1229,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1240",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_init = &m88e1111_config_init,
.config_aneg = &marvell_config_aneg,
.read_status = &genphy_read_status,
@@ -1121,6 +1237,9 @@ static struct phy_driver marvell_drivers[] = {
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1129,6 +1248,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1116R",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_init = &m88e1116r_config_init,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
@@ -1136,6 +1256,9 @@ static struct phy_driver marvell_drivers[] = {
.config_intr = &marvell_config_intr,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1144,6 +1267,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1510",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_aneg = &m88e1510_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
@@ -1151,6 +1275,9 @@ static struct phy_driver marvell_drivers[] = {
.did_interrupt = &m88e1121_did_interrupt,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1159,6 +1286,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1540",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_aneg = &m88e1510_config_aneg,
.read_status = &marvell_read_status,
.ack_interrupt = &marvell_ack_interrupt,
@@ -1166,6 +1294,9 @@ static struct phy_driver marvell_drivers[] = {
.did_interrupt = &m88e1121_did_interrupt,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
{
@@ -1174,6 +1305,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E3016",
.features = PHY_BASIC_FEATURES,
.flags = PHY_HAS_INTERRUPT,
+ .probe = marvell_probe,
.config_aneg = &genphy_config_aneg,
.config_init = &m88e3016_config_init,
.aneg_done = &marvell_aneg_done,
@@ -1183,6 +1315,9 @@ static struct phy_driver marvell_drivers[] = {
.did_interrupt = &m88e1121_did_interrupt,
.resume = &genphy_resume,
.suspend = &genphy_suspend,
+ .get_sset_count = marvell_get_sset_count,
+ .get_strings = marvell_get_strings,
+ .get_stats = marvell_get_stats,
.driver = { .owner = THIS_MODULE },
},
};
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index e13ad6cdcc2216ca1d43b78bb41cac12933fe2b4..1a6048a8c29d398ed25221972be5be43c1770b5f 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -73,6 +73,17 @@
#define PS_TO_REG 200
+struct kszphy_hw_stat {
+ const char *string;
+ u8 reg;
+ u8 bits;
+};
+
+static struct kszphy_hw_stat kszphy_hw_stats[] = {
+ { "phy_receive_errors", 21, 16},
+ { "phy_idle_errors", 10, 8 },
+};
+
struct kszphy_type {
u32 led_mode_reg;
u16 interrupt_level_mask;
@@ -86,6 +97,7 @@ struct kszphy_priv {
int led_mode;
bool rmii_ref_clk_sel;
bool rmii_ref_clk_sel_val;
+ u64 stats[ARRAY_SIZE(kszphy_hw_stats)];
};
static const struct kszphy_type ksz8021_type = {
@@ -569,6 +581,51 @@ ksz9021_wr_mmd_phyreg(struct phy_device *phydev, int ptrad, int devnum,
{
}
+static int kszphy_get_sset_count(struct phy_device *phydev)
+{
+ return ARRAY_SIZE(kszphy_hw_stats);
+}
+
+static void kszphy_get_strings(struct phy_device *phydev, u8 *data)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(kszphy_hw_stats); i++) {
+ memcpy(data + i * ETH_GSTRING_LEN,
+ kszphy_hw_stats[i].string, ETH_GSTRING_LEN);
+ }
+}
+
+#ifndef UINT64_MAX
+#define UINT64_MAX (u64)(~((u64)0))
+#endif
+static u64 kszphy_get_stat(struct phy_device *phydev, int i)
+{
+ struct kszphy_hw_stat stat = kszphy_hw_stats[i];
+ struct kszphy_priv *priv = phydev->priv;
+ u64 val;
+
+ val = phy_read(phydev, stat.reg);
+ if (val < 0) {
+ val = UINT64_MAX;
+ } else {
+ val = val & ((1 << stat.bits) - 1);
+ priv->stats[i] += val;
+ val = priv->stats[i];
+ }
+
+ return val;
+}
+
+static void kszphy_get_stats(struct phy_device *phydev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(kszphy_hw_stats); i++)
+ data[i] = kszphy_get_stat(phydev, i);
+}
+
static int kszphy_probe(struct phy_device *phydev)
{
const struct kszphy_type *type = phydev->drv->driver_data;
@@ -642,6 +699,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -659,6 +719,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -676,6 +739,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -693,6 +759,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -710,6 +779,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -727,6 +799,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -743,6 +818,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -759,6 +837,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -773,6 +854,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
@@ -788,6 +872,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.read_mmd_indirect = ksz9021_rd_mmd_phyreg,
@@ -805,6 +892,9 @@ static struct phy_driver ksphy_driver[] = {
.read_status = ksz9031_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, },
@@ -817,6 +907,9 @@ static struct phy_driver ksphy_driver[] = {
.config_init = kszphy_config_init,
.config_aneg = ksz8873mll_config_aneg,
.read_status = ksz8873mll_read_status,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, },
@@ -829,6 +922,9 @@ static struct phy_driver ksphy_driver[] = {
.config_init = kszphy_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
+ .get_sset_count = kszphy_get_sset_count,
+ .get_strings = kszphy_get_strings,
+ .get_stats = kszphy_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, },
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 05fde31b6dc6dbe2f97356cea09a961dc1cd3af0..a89cb0eef911eaea6ebf037ed276f9138426bac3 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -589,6 +589,12 @@ struct phy_driver {
int (*module_eeprom)(struct phy_device *dev,
struct ethtool_eeprom *ee, u8 *data);
+ /* Get statistics from the phy using ethtool */
+ int (*get_sset_count)(struct phy_device *dev);
+ void (*get_strings)(struct phy_device *dev, u8 *data);
+ void (*get_stats)(struct phy_device *dev,
+ struct ethtool_stats *stats, u64 *data);
+
struct device_driver driver;
};
#define to_phy_driver(d) container_of(d, struct phy_driver, driver)
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index cd1629170103ef77a580a3694472e4a1452613fe..57fa39005e794c65931f8e4cfd425d470693addd 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -542,6 +542,7 @@ struct ethtool_pauseparam {
* now deprecated
* @ETH_SS_FEATURES: Device feature names
* @ETH_SS_RSS_HASH_FUNCS: RSS hush function names
+ * @ETH_SS_PHY_STATS: Statistic names, for use with %ETHTOOL_GPHYSTATS
*/
enum ethtool_stringset {
ETH_SS_TEST = 0,
@@ -551,6 +552,7 @@ enum ethtool_stringset {
ETH_SS_FEATURES,
ETH_SS_RSS_HASH_FUNCS,
ETH_SS_TUNABLES,
+ ETH_SS_PHY_STATS,
};
/**
@@ -1225,6 +1227,7 @@ enum ethtool_sfeatures_retval_bits {
#define ETHTOOL_SRSSH 0x00000047 /* Set RX flow hash configuration */
#define ETHTOOL_GTUNABLE 0x00000048 /* Get tunable configuration */
#define ETHTOOL_STUNABLE 0x00000049 /* Set tunable configuration */
+#define ETHTOOL_GPHYSTATS 0x0000004a /* get PHY-specific statistics */
/* compatibility with older code */
#define SPARC_ETH_GSET ETHTOOL_GSET
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 09948a726347cf06b31565a8d85cca1cdee590cf..daf04709dd3c695ff5c47f7d30c0f005397db00e 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -191,6 +191,23 @@ static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
return ret;
}
+static int phy_get_sset_count(struct phy_device *phydev)
+{
+ int ret;
+
+ if (phydev->drv->get_sset_count &&
+ phydev->drv->get_strings &&
+ phydev->drv->get_stats) {
+ mutex_lock(&phydev->lock);
+ ret = phydev->drv->get_sset_count(phydev);
+ mutex_unlock(&phydev->lock);
+
+ return ret;
+ }
+
+ return -EOPNOTSUPP;
+}
+
static int __ethtool_get_sset_count(struct net_device *dev, int sset)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
@@ -204,6 +221,13 @@ static int __ethtool_get_sset_count(struct net_device *dev, int sset)
if (sset == ETH_SS_TUNABLES)
return ARRAY_SIZE(tunable_strings);
+ if (sset == ETH_SS_PHY_STATS) {
+ if (dev->phydev)
+ return phy_get_sset_count(dev->phydev);
+ else
+ return -EOPNOTSUPP;
+ }
+
if (ops->get_sset_count && ops->get_strings)
return ops->get_sset_count(dev, sset);
else
@@ -223,7 +247,17 @@ static void __ethtool_get_strings(struct net_device *dev,
sizeof(rss_hash_func_strings));
else if (stringset == ETH_SS_TUNABLES)
memcpy(data, tunable_strings, sizeof(tunable_strings));
- else
+ else if (stringset == ETH_SS_PHY_STATS) {
+ struct phy_device *phydev = dev->phydev;
+
+ if (phydev) {
+ mutex_lock(&phydev->lock);
+ phydev->drv->get_strings(phydev, data);
+ mutex_unlock(&phydev->lock);
+ } else {
+ return;
+ }
+ } else
/* ops->get_strings is valid because checked earlier */
ops->get_strings(dev, stringset, data);
}
@@ -1401,6 +1435,47 @@ static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
return ret;
}
+static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)
+{
+ struct ethtool_stats stats;
+ struct phy_device *phydev = dev->phydev;
+ u64 *data;
+ int ret, n_stats;
+
+ if (!phydev)
+ return -EOPNOTSUPP;
+
+ n_stats = phy_get_sset_count(phydev);
+
+ if (n_stats < 0)
+ return n_stats;
+ WARN_ON(n_stats == 0);
+
+ if (copy_from_user(&stats, useraddr, sizeof(stats)))
+ return -EFAULT;
+
+ stats.n_stats = n_stats;
+ data = kmalloc_array(n_stats, sizeof(u64), GFP_USER);
+ if (!data)
+ return -ENOMEM;
+
+ mutex_lock(&phydev->lock);
+ phydev->drv->get_stats(phydev, &stats, data);
+ mutex_unlock(&phydev->lock);
+
+ ret = -EFAULT;
+ if (copy_to_user(useraddr, &stats, sizeof(stats)))
+ goto out;
+ useraddr += sizeof(stats);
+ if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
+ goto out;
+ ret = 0;
+
+ out:
+ kfree(data);
+ return ret;
+}
+
static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
{
struct ethtool_perm_addr epaddr;
@@ -1779,6 +1854,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_GSSET_INFO:
case ETHTOOL_GSTRINGS:
case ETHTOOL_GSTATS:
+ case ETHTOOL_GPHYSTATS:
case ETHTOOL_GTSO:
case ETHTOOL_GPERMADDR:
case ETHTOOL_GUFO:
@@ -1991,6 +2067,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
case ETHTOOL_STUNABLE:
rc = ethtool_set_tunable(dev, useraddr);
break;
+ case ETHTOOL_GPHYSTATS:
+ rc = ethtool_get_phy_stats(dev, useraddr);
+ break;
default:
rc = -EOPNOTSUPP;
}