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)
{
.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 = {
.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 = {
.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 = {
.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 = {
.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 = {
.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