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ar71xx: ag71xx: implement get_port_{link,stats} callbacks

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SVN-Revision: 29626
This commit is contained in:
Gabor Juhos 2011-12-31 15:02:26 +00:00
parent 975355a2b1
commit 8c2482f76e
1 changed files with 142 additions and 0 deletions
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142
target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_ar7240.c
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@ -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;