diff options
| -rw-r--r-- | drivers/net/phy/adin.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/net/phy/adin.c b/drivers/net/phy/adin.c index 131b577a17e5..ac79e16cd7f1 100644 --- a/drivers/net/phy/adin.c +++ b/drivers/net/phy/adin.c @@ -24,6 +24,8 @@ #define ADIN1300_AUTO_MDI_EN BIT(10) #define ADIN1300_MAN_MDIX_EN BIT(9) +#define ADIN1300_RX_ERR_CNT 0x0014 + #define ADIN1300_PHY_CTRL2 0x0016 #define ADIN1300_DOWNSPEED_AN_100_EN BIT(11) #define ADIN1300_DOWNSPEED_AN_10_EN BIT(10) @@ -146,6 +148,33 @@ static struct adin_clause45_mmd_map adin_clause45_mmd_map[] = { { MDIO_MMD_PCS, MDIO_PCS_EEE_WK_ERR, ADIN1300_LPI_WAKE_ERR_CNT_REG }, }; +struct adin_hw_stat { + const char *string; + u16 reg1; + u16 reg2; +}; + +static struct adin_hw_stat adin_hw_stats[] = { + { "total_frames_checked_count", 0x940A, 0x940B }, /* hi + lo */ + { "length_error_frames_count", 0x940C }, + { "alignment_error_frames_count", 0x940D }, + { "symbol_error_count", 0x940E }, + { "oversized_frames_count", 0x940F }, + { "undersized_frames_count", 0x9410 }, + { "odd_nibble_frames_count", 0x9411 }, + { "odd_preamble_packet_count", 0x9412 }, + { "dribble_bits_frames_count", 0x9413 }, + { "false_carrier_events_count", 0x9414 }, +}; + +/** + * struct adin_priv - ADIN PHY driver private data + * stats statistic counters for the PHY + */ +struct adin_priv { + u64 stats[ARRAY_SIZE(adin_hw_stats)]; +}; + static int adin_lookup_reg_value(const struct adin_cfg_reg_map *tbl, int cfg) { size_t i; @@ -548,10 +577,102 @@ static int adin_soft_reset(struct phy_device *phydev) return rc < 0 ? rc : 0; } +static int adin_get_sset_count(struct phy_device *phydev) +{ + return ARRAY_SIZE(adin_hw_stats); +} + +static void adin_get_strings(struct phy_device *phydev, u8 *data) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(adin_hw_stats); i++) { + strlcpy(&data[i * ETH_GSTRING_LEN], + adin_hw_stats[i].string, ETH_GSTRING_LEN); + } +} + +static int adin_read_mmd_stat_regs(struct phy_device *phydev, + struct adin_hw_stat *stat, + u32 *val) +{ + int ret; + + ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, stat->reg1); + if (ret < 0) + return ret; + + *val = (ret & 0xffff); + + if (stat->reg2 == 0) + return 0; + + ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, stat->reg2); + if (ret < 0) + return ret; + + *val <<= 16; + *val |= (ret & 0xffff); + + return 0; +} + +static u64 adin_get_stat(struct phy_device *phydev, int i) +{ + struct adin_hw_stat *stat = &adin_hw_stats[i]; + struct adin_priv *priv = phydev->priv; + u32 val; + int ret; + + if (stat->reg1 > 0x1f) { + ret = adin_read_mmd_stat_regs(phydev, stat, &val); + if (ret < 0) + return (u64)(~0); + } else { + ret = phy_read(phydev, stat->reg1); + if (ret < 0) + return (u64)(~0); + val = (ret & 0xffff); + } + + priv->stats[i] += val; + + return priv->stats[i]; +} + +static void adin_get_stats(struct phy_device *phydev, + struct ethtool_stats *stats, u64 *data) +{ + int i, rc; + + /* latch copies of all the frame-checker counters */ + rc = phy_read(phydev, ADIN1300_RX_ERR_CNT); + if (rc < 0) + return; + + for (i = 0; i < ARRAY_SIZE(adin_hw_stats); i++) + data[i] = adin_get_stat(phydev, i); +} + +static int adin_probe(struct phy_device *phydev) +{ + struct device *dev = &phydev->mdio.dev; + struct adin_priv *priv; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + phydev->priv = priv; + + return 0; +} + static struct phy_driver adin_driver[] = { { PHY_ID_MATCH_MODEL(PHY_ID_ADIN1200), .name = "ADIN1200", + .probe = adin_probe, .config_init = adin_config_init, .soft_reset = adin_soft_reset, .config_aneg = adin_config_aneg, @@ -560,6 +681,9 @@ static struct phy_driver adin_driver[] = { .set_tunable = adin_set_tunable, .ack_interrupt = adin_phy_ack_intr, .config_intr = adin_phy_config_intr, + .get_sset_count = adin_get_sset_count, + .get_strings = adin_get_strings, + .get_stats = adin_get_stats, .resume = genphy_resume, .suspend = genphy_suspend, .read_mmd = adin_read_mmd, @@ -568,6 +692,7 @@ static struct phy_driver adin_driver[] = { { PHY_ID_MATCH_MODEL(PHY_ID_ADIN1300), .name = "ADIN1300", + .probe = adin_probe, .config_init = adin_config_init, .soft_reset = adin_soft_reset, .config_aneg = adin_config_aneg, @@ -576,6 +701,9 @@ static struct phy_driver adin_driver[] = { .set_tunable = adin_set_tunable, .ack_interrupt = adin_phy_ack_intr, .config_intr = adin_phy_config_intr, + .get_sset_count = adin_get_sset_count, + .get_strings = adin_get_strings, + .get_stats = adin_get_stats, .resume = genphy_resume, .suspend = genphy_suspend, .read_mmd = adin_read_mmd, |