generic: provide get_port_stats() on b53 switches

This patch provides a generic switch_dev_ops 'get_port_stats()' callback by
taping into the relevant port MIB counters.

This callback is used by swconfig_leds led trigger to blink LEDs with port
network traffic.

Signed-off-by: Thibaut VARENE <hacks@slashdirt.org>
This commit is contained in:
Thibaut VARENE 2017-08-04 12:29:19 +02:00 committed by John Crispin
parent 4ddbc43cc1
commit 3056d09b40

View file

@ -40,7 +40,6 @@ struct b53_mib_desc {
const char *name;
};
/* BCM5365 MIB counters */
static const struct b53_mib_desc b53_mibs_65[] = {
{ 8, 0x00, "TxOctets" },
@ -78,6 +77,9 @@ static const struct b53_mib_desc b53_mibs_65[] = {
{ },
};
#define B63XX_MIB_TXB_ID 0 /* TxOctets */
#define B63XX_MIB_RXB_ID 14 /* RxOctets */
/* BCM63xx MIB counters */
static const struct b53_mib_desc b53_mibs_63xx[] = {
{ 8, 0x00, "TxOctets" },
@ -125,6 +127,9 @@ static const struct b53_mib_desc b53_mibs_63xx[] = {
{ }
};
#define B53XX_MIB_TXB_ID 0 /* TxOctets */
#define B53XX_MIB_RXB_ID 12 /* RxOctets */
/* MIB counters */
static const struct b53_mib_desc b53_mibs[] = {
{ 8, 0x00, "TxOctets" },
@ -1047,6 +1052,54 @@ static int b53_port_get_mib(struct switch_dev *sw_dev,
return 0;
}
static int b53_port_get_stats(struct switch_dev *sw_dev, int port,
struct switch_port_stats *stats)
{
struct b53_device *dev = sw_to_b53(sw_dev);
const struct b53_mib_desc *mibs;
int txb_id, rxb_id;
u64 rxb, txb;
if (!(BIT(port) & dev->enabled_ports))
return -EINVAL;
txb_id = B53XX_MIB_TXB_ID;
rxb_id = B53XX_MIB_RXB_ID;
if (is5365(dev)) {
if (port == 5)
port = 8;
mibs = b53_mibs_65;
} else if (is63xx(dev)) {
mibs = b53_mibs_63xx;
txb_id = B63XX_MIB_TXB_ID;
rxb_id = B63XX_MIB_RXB_ID;
} else {
mibs = b53_mibs;
}
dev->buf[0] = 0;
if (mibs->size == 8) {
b53_read64(dev, B53_MIB_PAGE(port), mibs[txb_id].offset, &txb);
b53_read64(dev, B53_MIB_PAGE(port), mibs[rxb_id].offset, &rxb);
} else {
u32 val32;
b53_read32(dev, B53_MIB_PAGE(port), mibs[txb_id].offset, &val32);
txb = val32;
b53_read32(dev, B53_MIB_PAGE(port), mibs[rxb_id].offset, &val32);
rxb = val32;
}
stats->tx_bytes = txb;
stats->rx_bytes = rxb;
return 0;
}
static struct switch_attr b53_global_ops_25[] = {
{
.type = SWITCH_TYPE_INT,
@ -1160,6 +1213,7 @@ static const struct switch_dev_ops b53_switch_ops_25 = {
.reset_switch = b53_global_reset_switch,
.get_port_link = b53_port_get_link,
.set_port_link = b53_port_set_link,
.get_port_stats = b53_port_get_stats,
.phy_read16 = b53_phy_read16,
.phy_write16 = b53_phy_write16,
};
@ -1186,6 +1240,7 @@ static const struct switch_dev_ops b53_switch_ops_65 = {
.reset_switch = b53_global_reset_switch,
.get_port_link = b53_port_get_link,
.set_port_link = b53_port_set_link,
.get_port_stats = b53_port_get_stats,
.phy_read16 = b53_phy_read16,
.phy_write16 = b53_phy_write16,
};
@ -1212,6 +1267,7 @@ static const struct switch_dev_ops b53_switch_ops = {
.reset_switch = b53_global_reset_switch,
.get_port_link = b53_port_get_link,
.set_port_link = b53_port_set_link,
.get_port_stats = b53_port_get_stats,
.phy_read16 = b53_phy_read16,
.phy_write16 = b53_phy_write16,
};