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generic: ar8216: add support for get link status

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SVN-Revision: 27989
This commit is contained in:
Gabor Juhos 2011-08-15 14:11:41 +00:00
parent f48acb1dc2
commit bb64fb2e58
1 changed files with 62 additions and 0 deletions
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62
target/linux/generic/files/drivers/net/phy/ar8216.c
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@ -46,6 +46,7 @@ struct ar8216_priv {
int chip;
bool initialized;
bool port4_phy;
char buf[80];
/* all fields below are cleared on reset */
bool vlan;
@ -217,6 +218,59 @@ ar8216_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
return 0;
}
static const char *ar8216_speed_str(unsigned speed)
{
switch (speed) {
case AR8216_PORT_SPEED_10M:
return "10baseT";
case AR8216_PORT_SPEED_100M:
return "100baseT";
case AR8216_PORT_SPEED_1000M:
return "1000baseT";
}
return "unknown";
}
static int ar8216_port_get_link(struct switch_dev *dev,
const struct switch_attr *attr,
struct switch_val *val)
{
struct ar8216_priv *priv = to_ar8216(dev);
u32 len;
u32 status;
int port;
port = val->port_vlan;
memset(priv->buf, '\0', sizeof(priv->buf));
status = priv->read(priv, AR8216_REG_PORT_STATUS(port));
if (status & AR8216_PORT_STATUS_LINK_UP) {
len = snprintf(priv->buf, sizeof(priv->buf),
"port:%d link:up speed:%s %s-duplex %s%s%s",
port,
ar8216_speed_str((status &
AR8216_PORT_STATUS_SPEED) >>
AR8216_PORT_STATUS_SPEED_S),
(status & AR8216_PORT_STATUS_DUPLEX) ?
"full" : "half",
(status & AR8216_PORT_STATUS_TXFLOW) ?
"txflow ": "",
(status & AR8216_PORT_STATUS_RXFLOW) ?
"rxflow " : "",
(status & AR8216_PORT_STATUS_LINK_AUTO) ?
"auto ": "");
} else {
len = snprintf(priv->buf, sizeof(priv->buf), "port:%d link:down",
port);
}
val->value.s = priv->buf;
val->len = len;
return 0;
}
static int
ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev)
@ -327,6 +381,14 @@ static struct switch_attr ar8216_globals[] = {
};
static struct switch_attr ar8216_port[] = {
{
.type = SWITCH_TYPE_STRING,
.name = "link",
.description = "Get port link information",
.max = 1,
.set = NULL,
.get = ar8216_port_get_link,
},
};
static struct switch_attr ar8216_vlan[] = {