}
static void
-ar8216_setup_port(struct ar8xxx_priv *priv, int port, u32 members)
+__ar8216_setup_port(struct ar8xxx_priv *priv, int port, u32 members,
+ bool ath_hdr_en)
{
u32 header;
u32 egress, ingress;
ingress = AR8216_IN_PORT_ONLY;
}
- if (chip_is_ar8216(priv) && priv->vlan && port == AR8216_PORT_CPU)
- header = AR8216_PORT_CTRL_HEADER;
- else
- header = 0;
+ header = ath_hdr_en ? AR8216_PORT_CTRL_HEADER : 0;
ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port),
AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE |
(pvid << AR8216_PORT_VLAN_DEFAULT_ID_S));
}
+static void
+ar8216_setup_port(struct ar8xxx_priv *priv, int port, u32 members)
+{
+ return __ar8216_setup_port(priv, port, members,
+ chip_is_ar8216(priv) && priv->vlan &&
+ port == AR8216_PORT_CPU);
+}
+
static int
ar8216_hw_init(struct ar8xxx_priv *priv)
{
if (priv->initialized)
return 0;
+ ar8xxx_write(priv, AR8216_REG_CTRL, AR8216_CTRL_RESET);
+ ar8xxx_reg_wait(priv, AR8216_REG_CTRL, AR8216_CTRL_RESET, 0, 1000);
+
ar8xxx_phy_init(priv);
priv->initialized = true;
}
}
+static int
+ar8216_phy_read(struct ar8xxx_priv *priv, int addr, int regnum)
+{
+ u32 t, val = 0xffff;
+ int err;
+
+ if (addr >= AR8216_NUM_PORTS)
+ return 0xffff;
+ t = (regnum << AR8216_MDIO_CTRL_REG_ADDR_S) |
+ (addr << AR8216_MDIO_CTRL_PHY_ADDR_S) |
+ AR8216_MDIO_CTRL_MASTER_EN |
+ AR8216_MDIO_CTRL_BUSY |
+ AR8216_MDIO_CTRL_CMD_READ;
+
+ ar8xxx_write(priv, AR8216_REG_MDIO_CTRL, t);
+ err = ar8xxx_reg_wait(priv, AR8216_REG_MDIO_CTRL,
+ AR8216_MDIO_CTRL_BUSY, 0, 5);
+ if (!err)
+ val = ar8xxx_read(priv, AR8216_REG_MDIO_CTRL);
+
+ return val & AR8216_MDIO_CTRL_DATA_M;
+}
+
+static int
+ar8216_phy_write(struct ar8xxx_priv *priv, int addr, int regnum, u16 val)
+{
+ u32 t;
+ int ret;
+
+ if (addr >= AR8216_NUM_PORTS)
+ return -EINVAL;
+
+ t = (addr << AR8216_MDIO_CTRL_PHY_ADDR_S) |
+ (regnum << AR8216_MDIO_CTRL_REG_ADDR_S) |
+ AR8216_MDIO_CTRL_MASTER_EN |
+ AR8216_MDIO_CTRL_BUSY |
+ AR8216_MDIO_CTRL_CMD_WRITE |
+ val;
+
+ ar8xxx_write(priv, AR8216_REG_MDIO_CTRL, t);
+ ret = ar8xxx_reg_wait(priv, AR8216_REG_MDIO_CTRL,
+ AR8216_MDIO_CTRL_BUSY, 0, 5);
+
+ return ret;
+}
+
static int
ar8229_hw_init(struct ar8xxx_priv *priv)
{
return -EINVAL;
}
- if (priv->port4_phy)
+ if (priv->port4_phy) {
ar8xxx_write(priv, AR8229_REG_OPER_MODE1,
AR8229_REG_OPER_MODE1_PHY4_MII_EN);
+ /* disable port5 to prevent mii conflict */
+ ar8xxx_write(priv, AR8216_REG_PORT_STATUS(5), 0);
+ }
ar8xxx_phy_init(priv);
__ar8216_init_port(priv, port, true, true);
}
+
+static int
+ar7240sw_hw_init(struct ar8xxx_priv *priv)
+{
+ if (priv->initialized)
+ return 0;
+
+ ar8xxx_write(priv, AR8216_REG_CTRL, AR8216_CTRL_RESET);
+ ar8xxx_reg_wait(priv, AR8216_REG_CTRL, AR8216_CTRL_RESET, 0, 1000);
+
+ priv->port4_phy = 1;
+ /* disable port5 to prevent mii conflict */
+ ar8xxx_write(priv, AR8216_REG_PORT_STATUS(5), 0);
+
+ ar8xxx_phy_init(priv);
+
+ priv->initialized = true;
+ return 0;
+}
+
+static void
+ar7240sw_init_globals(struct ar8xxx_priv *priv)
+{
+
+ /* Enable CPU port, and disable mirror port */
+ ar8xxx_write(priv, AR8216_REG_GLOBAL_CPUPORT,
+ AR8216_GLOBAL_CPUPORT_EN |
+ (15 << AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S));
+
+ /* Setup TAG priority mapping */
+ ar8xxx_write(priv, AR8216_REG_TAG_PRIORITY, 0xfa50);
+
+ /* Enable ARP frame acknowledge, aging, MAC replacing */
+ ar8xxx_write(priv, AR8216_REG_ATU_CTRL,
+ AR8216_ATU_CTRL_RESERVED |
+ 0x2b /* 5 min age time */ |
+ AR8216_ATU_CTRL_AGE_EN |
+ AR8216_ATU_CTRL_ARP_EN |
+ AR8216_ATU_CTRL_LEARN_CHANGE);
+
+ /* Enable Broadcast frames transmitted to the CPU */
+ ar8xxx_reg_set(priv, AR8216_REG_FLOOD_MASK,
+ AR8236_FM_CPU_BROADCAST_EN);
+
+ /* setup MTU */
+ ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+ AR8216_GCTRL_MTU,
+ AR8216_GCTRL_MTU);
+
+ /* setup Service TAG */
+ ar8xxx_rmw(priv, AR8216_REG_SERVICE_TAG, AR8216_SERVICE_TAG_M, 0);
+}
+
+static void
+ar7240sw_setup_port(struct ar8xxx_priv *priv, int port, u32 members)
+{
+ return __ar8216_setup_port(priv, port, members, false);
+}
+
static void
ar8236_setup_port(struct ar8xxx_priv *priv, int port, u32 members)
{
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 = {
+ .caps = AR8XXX_CAP_MIB_COUNTERS,
+
+ .reg_port_stats_start = 0x20000,
+ .reg_port_stats_length = 0x100,
+ .reg_arl_ctrl = AR8216_REG_ATU_CTRL,
+
+ .name = "Atheros AR724X/AR933X built-in",
+ .ports = AR7240SW_NUM_PORTS,
+ .vlans = AR8216_NUM_VLANS,
+ .swops = &ar8xxx_sw_ops,
+
+ .hw_init = ar7240sw_hw_init,
+ .init_globals = ar7240sw_init_globals,
+ .init_port = ar8229_init_port,
+ .phy_read = ar8216_phy_read,
+ .phy_write = ar8216_phy_write,
+ .setup_port = ar7240sw_setup_port,
+ .read_port_status = ar8216_read_port_status,
+ .atu_flush = ar8216_atu_flush,
+ .atu_flush_port = ar8216_atu_flush_port,
+ .vtu_flush = ar8216_vtu_flush,
+ .vtu_load_vlan = ar8216_vtu_load_vlan,
+ .set_mirror_regs = ar8216_set_mirror_regs,
+ .get_arl_entry = ar8216_get_arl_entry,
+ .sw_hw_apply = ar8xxx_sw_hw_apply,
+
+ .num_mibs = ARRAY_SIZE(ar8236_mibs),
+ .mib_decs = ar8236_mibs,
+ .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 = {
.hw_init = ar8229_hw_init,
.init_globals = ar8229_init_globals,
.init_port = ar8229_init_port,
+ .phy_read = ar8216_phy_read,
+ .phy_write = ar8216_phy_write,
.setup_port = ar8236_setup_port,
.read_port_status = ar8216_read_port_status,
.atu_flush = ar8216_atu_flush,
.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
ar8xxx_mib_work_func(struct work_struct *work)
{
struct ar8xxx_priv *priv;
- int err;
+ int err, i;
priv = container_of(work, struct ar8xxx_priv, mib_work.work);
err = ar8xxx_mib_capture(priv);
if (err)
- goto next_port;
-
- ar8xxx_mib_fetch_port_stat(priv, priv->mib_next_port, false);
+ goto next_attempt;
-next_port:
- priv->mib_next_port++;
- if (priv->mib_next_port >= priv->dev.ports)
- priv->mib_next_port = 0;
+ for (i = 0; i < priv->dev.ports; i++)
+ ar8xxx_mib_fetch_port_stat(priv, i, false);
+next_attempt:
mutex_unlock(&priv->mib_lock);
schedule_delayed_work(&priv->mib_work,
- msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY));
+ msecs_to_jiffies(priv->mib_poll_interval));
}
static int
return;
schedule_delayed_work(&priv->mib_work,
- msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY));
+ msecs_to_jiffies(priv->mib_poll_interval));
}
static void
priv->mii_bus = phydev->mdio.bus;
priv->pdev = &phydev->mdio.dev;
+ ret = of_property_read_u32(priv->pdev->of_node, "qca,mib-poll-interval",
+ &priv->mib_poll_interval);
+ if (ret)
+ priv->mib_poll_interval = AR8XXX_MIB_WORK_DELAY;
+
ret = ar8xxx_id_chip(priv);
if (ret)
goto free_priv;
static const struct of_device_id ar8xxx_mdiodev_of_match[] = {
{
+ .compatible = "qca,ar7240sw",
+ .data = &ar7240sw_chip,
+ }, {
.compatible = "qca,ar8229",
.data = &ar8229_chip,
}, {
priv->pdev = &mdiodev->dev;
priv->chip = (const struct ar8xxx_chip *) match->data;
+ ret = of_property_read_u32(priv->pdev->of_node, "qca,mib-poll-interval",
+ &priv->mib_poll_interval);
+ if (ret)
+ priv->mib_poll_interval = AR8XXX_MIB_WORK_DELAY;
+
ret = ar8xxx_read_id(priv);
if (ret)
goto free_priv;
swdev = &priv->dev;
swdev->alias = dev_name(&mdiodev->dev);
+
+ if (of_property_read_bool(priv->pdev->of_node, "qca,phy4-mii-enable")) {
+ priv->port4_phy = true;
+ swdev->ports--;
+ }
+
ret = register_switch(swdev, NULL);
if (ret)
goto free_priv;