diff options
Diffstat (limited to 'target/linux/generic')
-rw-r--r-- | target/linux/generic/files/drivers/net/phy/ar8216.c | 56 | ||||
-rw-r--r-- | target/linux/generic/files/drivers/net/phy/ar8216.h | 11 | ||||
-rw-r--r-- | target/linux/generic/files/drivers/net/phy/ar8327.c | 17 |
3 files changed, 59 insertions, 25 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c index 3cee84f0df..c62411c9c1 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8216.c +++ b/target/linux/generic/files/drivers/net/phy/ar8216.c @@ -1797,6 +1797,33 @@ ar8xxx_sw_set_flush_port_arl_table(struct switch_dev *dev, return ret; } +int +ar8xxx_sw_get_port_stats(struct switch_dev *dev, int port, + struct switch_port_stats *stats) +{ + struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev); + u64 *mib_stats; + + if (!ar8xxx_has_mib_counters(priv)) + return -EOPNOTSUPP; + + if (!(priv->chip->mib_rxb_id || priv->chip->mib_txb_id)) + return -EOPNOTSUPP; + + if (port >= dev->ports) + return -EINVAL; + + mutex_lock(&priv->mib_lock); + + mib_stats = &priv->mib_stats[port * priv->chip->num_mibs]; + + stats->tx_bytes = mib_stats[priv->chip->mib_txb_id]; + stats->rx_bytes = mib_stats[priv->chip->mib_rxb_id]; + + mutex_unlock(&priv->mib_lock); + return 0; +} + static int ar8xxx_phy_read(struct mii_bus *bus, int phy_addr, int reg_addr) { @@ -1927,16 +1954,7 @@ static const struct switch_dev_ops ar8xxx_sw_ops = { .apply_config = ar8xxx_sw_hw_apply, .reset_switch = ar8xxx_sw_reset_switch, .get_port_link = ar8xxx_sw_get_port_link, -/* The following op is disabled as it hogs the CPU and degrades performance. - An implementation has been attempted in 4d8a66d but reading MIB data is slow - on ar8xxx switches. - - The high CPU load has been traced down to the ar8xxx_reg_wait() call in - ar8xxx_mib_op(), which has to usleep_range() till the MIB busy flag set by - the request to update the MIB counter is cleared. */ -#if 0 .get_port_stats = ar8xxx_sw_get_port_stats, -#endif }; static const struct ar8xxx_chip ar7240sw_chip = { @@ -1968,7 +1986,9 @@ static const struct ar8xxx_chip ar7240sw_chip = { .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, - .mib_func = AR8216_REG_MIB_FUNC + .mib_func = AR8216_REG_MIB_FUNC, + .mib_rxb_id = AR8236_MIB_RXB_ID, + .mib_txb_id = AR8236_MIB_TXB_ID, }; static const struct ar8xxx_chip ar8216_chip = { @@ -1998,7 +2018,9 @@ static const struct ar8xxx_chip ar8216_chip = { .num_mibs = ARRAY_SIZE(ar8216_mibs), .mib_decs = ar8216_mibs, - .mib_func = AR8216_REG_MIB_FUNC + .mib_func = AR8216_REG_MIB_FUNC, + .mib_rxb_id = AR8216_MIB_RXB_ID, + .mib_txb_id = AR8216_MIB_TXB_ID, }; static const struct ar8xxx_chip ar8229_chip = { @@ -2030,7 +2052,9 @@ static const struct ar8xxx_chip ar8229_chip = { .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, - .mib_func = AR8216_REG_MIB_FUNC + .mib_func = AR8216_REG_MIB_FUNC, + .mib_rxb_id = AR8236_MIB_RXB_ID, + .mib_txb_id = AR8236_MIB_TXB_ID, }; static const struct ar8xxx_chip ar8236_chip = { @@ -2060,7 +2084,9 @@ static const struct ar8xxx_chip ar8236_chip = { .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, - .mib_func = AR8216_REG_MIB_FUNC + .mib_func = AR8216_REG_MIB_FUNC, + .mib_rxb_id = AR8236_MIB_RXB_ID, + .mib_txb_id = AR8236_MIB_TXB_ID, }; static const struct ar8xxx_chip ar8316_chip = { @@ -2090,7 +2116,9 @@ static const struct ar8xxx_chip ar8316_chip = { .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, - .mib_func = AR8216_REG_MIB_FUNC + .mib_func = AR8216_REG_MIB_FUNC, + .mib_rxb_id = AR8236_MIB_RXB_ID, + .mib_txb_id = AR8236_MIB_TXB_ID, }; static int diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.h b/target/linux/generic/files/drivers/net/phy/ar8216.h index 0bdd3e9dd8..9b39064551 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8216.h +++ b/target/linux/generic/files/drivers/net/phy/ar8216.h @@ -258,6 +258,9 @@ #define AR8216_STATS_TXDEFER 0x98 #define AR8216_STATS_TXLATECOL 0x9c +#define AR8216_MIB_RXB_ID 14 /* RxGoodByte */ +#define AR8216_MIB_TXB_ID 29 /* TxByte */ + #define AR8229_REG_OPER_MODE0 0x04 #define AR8229_OPER_MODE0_MAC_GMII_EN BIT(6) #define AR8229_OPER_MODE0_PHY_MII_EN BIT(10) @@ -321,6 +324,9 @@ #define AR8236_STATS_TXDEFER 0xa0 #define AR8236_STATS_TXLATECOL 0xa4 +#define AR8236_MIB_RXB_ID 15 /* RxGoodByte */ +#define AR8236_MIB_TXB_ID 31 /* TxByte */ + #define AR8316_REG_POSTRIP 0x0008 #define AR8316_POSTRIP_MAC0_GMII_EN BIT(0) #define AR8316_POSTRIP_MAC0_RGMII_EN BIT(1) @@ -451,6 +457,8 @@ struct ar8xxx_chip { const struct ar8xxx_mib_desc *mib_decs; unsigned num_mibs; unsigned mib_func; + int mib_rxb_id; + int mib_txb_id; }; struct ar8xxx_priv { @@ -607,6 +615,9 @@ ar8xxx_sw_set_flush_port_arl_table(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val); int +ar8xxx_sw_get_port_stats(struct switch_dev *dev, int port, + struct switch_port_stats *stats); +int ar8216_wait_bit(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val); static inline struct ar8xxx_priv * diff --git a/target/linux/generic/files/drivers/net/phy/ar8327.c b/target/linux/generic/files/drivers/net/phy/ar8327.c index 36a4520678..b0da346314 100644 --- a/target/linux/generic/files/drivers/net/phy/ar8327.c +++ b/target/linux/generic/files/drivers/net/phy/ar8327.c @@ -1457,16 +1457,7 @@ static const struct switch_dev_ops ar8327_sw_ops = { .apply_config = ar8327_sw_hw_apply, .reset_switch = ar8xxx_sw_reset_switch, .get_port_link = ar8xxx_sw_get_port_link, -/* The following op is disabled as it hogs the CPU and degrades performance. - An implementation has been attempted in 4d8a66d but reading MIB data is slow - on ar8xxx switches. - - The high CPU load has been traced down to the ar8xxx_reg_wait() call in - ar8xxx_mib_op(), which has to usleep_range() till the MIB busy flag set by - the request to update the MIB counter is cleared. */ -#if 0 .get_port_stats = ar8xxx_sw_get_port_stats, -#endif }; const struct ar8xxx_chip ar8327_chip = { @@ -1501,7 +1492,9 @@ const struct ar8xxx_chip ar8327_chip = { .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, - .mib_func = AR8327_REG_MIB_FUNC + .mib_func = AR8327_REG_MIB_FUNC, + .mib_rxb_id = AR8236_MIB_RXB_ID, + .mib_txb_id = AR8236_MIB_TXB_ID, }; const struct ar8xxx_chip ar8337_chip = { @@ -1537,5 +1530,7 @@ const struct ar8xxx_chip ar8337_chip = { .num_mibs = ARRAY_SIZE(ar8236_mibs), .mib_decs = ar8236_mibs, - .mib_func = AR8327_REG_MIB_FUNC + .mib_func = AR8327_REG_MIB_FUNC, + .mib_rxb_id = AR8236_MIB_RXB_ID, + .mib_txb_id = AR8236_MIB_TXB_ID, }; |