diff options
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c index 491127d05..ab7abd9e5 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c @@ -229,6 +229,49 @@ #define sw_to_ar7240(_dev) container_of(_dev, struct ar7240sw, swdev) +struct ar7240sw_port_stat { + unsigned long rx_broadcast; + unsigned long rx_pause; + unsigned long rx_multicast; + unsigned long rx_fcs_error; + unsigned long rx_align_error; + unsigned long rx_runt; + unsigned long rx_fragments; + unsigned long rx_64byte; + unsigned long rx_128byte; + unsigned long rx_256byte; + unsigned long rx_512byte; + unsigned long rx_1024byte; + unsigned long rx_1518byte; + unsigned long rx_maxbyte; + unsigned long rx_toolong; + unsigned long rx_good_byte; + unsigned long rx_bad_byte; + unsigned long rx_overflow; + unsigned long filtered; + + unsigned long tx_broadcast; + unsigned long tx_pause; + unsigned long tx_multicast; + unsigned long tx_underrun; + unsigned long tx_64byte; + unsigned long tx_128byte; + unsigned long tx_256byte; + unsigned long tx_512byte; + unsigned long tx_1024byte; + unsigned long tx_1518byte; + unsigned long tx_maxbyte; + unsigned long tx_oversize; + unsigned long tx_byte; + unsigned long tx_collision; + unsigned long tx_abortcol; + unsigned long tx_multicol; + unsigned long tx_singlecol; + unsigned long tx_excdefer; + unsigned long tx_defer; + unsigned long tx_xlatecol; +}; + struct ar7240sw { struct mii_bus *mii_bus; struct ag71xx_switch_platform_data *swdata; @@ -241,6 +284,9 @@ struct ar7240sw { u8 vlan_tagged; u16 pvid[AR7240_NUM_PORTS]; char buf[80]; + + rwlock_t stats_lock; + struct ar7240sw_port_stat port_stats[AR7240_NUM_PORTS]; }; struct ar7240sw_hw_stat { @@ -451,6 +497,47 @@ int ar7240sw_phy_write(struct mii_bus *mii, unsigned phy_addr, return ret; } +static int ar7240sw_capture_stats(struct ar7240sw *as) +{ + struct mii_bus *mii = as->mii_bus; + int port; + int ret; + + write_lock(&as->stats_lock); + + /* Capture the hardware statistics for all ports */ + ar7240sw_reg_write(mii, AR7240_REG_MIB_FUNCTION0, + (AR7240_MIB_FUNC_CAPTURE << AR7240_MIB_FUNC_S)); + + /* Wait for the capturing to complete. */ + ret = ar7240sw_reg_wait(mii, AR7240_REG_MIB_FUNCTION0, + AR7240_MIB_BUSY, 0, 10); + + if (ret) + goto unlock; + + for (port = 0; port < AR7240_NUM_PORTS; port++) { + unsigned int base; + struct ar7240sw_port_stat *stats; + + base = AR7240_REG_STATS_BASE(port); + stats = &as->port_stats[port]; + +#define READ_STAT(_r) ar7240sw_reg_read(mii, base + AR7240_STATS_ ## _r) + + stats->rx_good_byte += READ_STAT(RXGOODBYTE); + stats->tx_byte += READ_STAT(TXBYTE); + +#undef READ_STAT + } + + ret = 0; + +unlock: + write_unlock(&as->stats_lock); + return ret; +} + static void ar7240sw_disable_port(struct ar7240sw *as, unsigned port) { ar7240sw_reg_write(as->mii_bus, AR7240_REG_PORT_CTRL(port), @@ -843,6 +930,58 @@ ar7240_reset_switch(struct switch_dev *dev) return 0; } +static int +ar7240_get_port_link(struct switch_dev *dev, int port, + struct switch_port_link *link) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + struct mii_bus *mii = as->mii_bus; + u32 status; + + if (port > AR7240_NUM_PORTS) + return -EINVAL; + + status = ar7240sw_reg_read(mii, AR7240_REG_PORT_STATUS(port)); + + link->link = !!(status & AR7240_PORT_STATUS_LINK_UP); + link->aneg = !!(status & AR7240_PORT_STATUS_LINK_AUTO); + link->duplex = !!(status & AR7240_PORT_STATUS_DUPLEX); + link->tx_flow = !!(status & AR7240_PORT_STATUS_TXFLOW); + link->rx_flow = !!(status & AR7240_PORT_STATUS_RXFLOW); + switch (status & AR7240_PORT_STATUS_SPEED_M) { + case AR7240_PORT_STATUS_SPEED_10: + link->speed = SWITCH_PORT_SPEED_10; + break; + case AR7240_PORT_STATUS_SPEED_100: + link->speed = SWITCH_PORT_SPEED_100; + break; + case AR7240_PORT_STATUS_SPEED_1000: + link->speed = SWITCH_PORT_SPEED_1000; + break; + } + + return 0; +} + +static int +ar7240_get_port_stats(struct switch_dev *dev, int port, + struct switch_port_stats *stats) +{ + struct ar7240sw *as = sw_to_ar7240(dev); + + if (port > AR7240_NUM_PORTS) + return -EINVAL; + + ar7240sw_capture_stats(as); + + read_lock(&as->stats_lock); + stats->rx_bytes = as->port_stats[port].rx_good_byte; + stats->tx_bytes = as->port_stats[port].tx_byte; + read_unlock(&as->stats_lock); + + return 0; +} + static struct switch_attr ar7240_globals[] = { { .type = SWITCH_TYPE_INT, @@ -895,6 +1034,8 @@ static const struct switch_dev_ops ar7240_ops = { .set_vlan_ports = ar7240_set_ports, .apply_config = ar7240_hw_apply, .reset_switch = ar7240_reset_switch, + .get_port_link = ar7240_get_port_link, + .get_port_stats = ar7240_get_port_stats, }; static struct ar7240sw *ar7240_probe(struct ag71xx *ag) @@ -1034,6 +1175,7 @@ int __devinit ag71xx_ar7240_init(struct ag71xx *ag) ag->phy_priv = as; ar7240sw_reset(as); + rwlock_init(&as->stats_lock); INIT_DELAYED_WORK(&ag->link_work, link_function); return 0; |