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authorGabor Juhos <juhosg@openwrt.org>2011-12-31 15:02:26 +0000
committerGabor Juhos <juhosg@openwrt.org>2011-12-31 15:02:26 +0000
commit8c2482f76e89e907ec31ea08381394e6eb5d3d46 (patch)
tree061dc4e1e6c93af0565d8a05fabd6b34eed3901b /target
parent975355a2b1faf4e02d7c53c354fbae09ec8aa7ce (diff)
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ar71xx: ag71xx: implement get_port_{link,stats} callbacks
SVN-Revision: 29626
Diffstat (limited to 'target')
-rw-r--r--target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c142
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 491127d050..ab7abd9e5c 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;