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-rw-r--r--target/linux/generic/files/drivers/net/phy/swconfig.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/swconfig.c b/target/linux/generic/files/drivers/net/phy/swconfig.c
index 1f4491ac5..1baccb1ba 100644
--- a/target/linux/generic/files/drivers/net/phy/swconfig.c
+++ b/target/linux/generic/files/drivers/net/phy/swconfig.c
@@ -129,6 +129,62 @@ swconfig_get_pvid(struct switch_dev *dev, const struct switch_attr *attr, struct
return dev->ops->get_port_pvid(dev, val->port_vlan, &val->value.i);
}
+static const char *
+swconfig_speed_str(enum switch_port_speed speed)
+{
+ switch (speed) {
+ case SWITCH_PORT_SPEED_10:
+ return "10baseT";
+ case SWITCH_PORT_SPEED_100:
+ return "100baseT";
+ case SWITCH_PORT_SPEED_1000:
+ return "1000baseT";
+ default:
+ break;
+ }
+
+ return "unknown";
+}
+
+static int
+swconfig_get_link(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+ struct switch_port_link link;
+ int len;
+ int ret;
+
+ if (val->port_vlan >= dev->ports)
+ return -EINVAL;
+
+ if (!dev->ops->get_port_link)
+ return -EOPNOTSUPP;
+
+ memset(&link, 0, sizeof(link));
+ ret = dev->ops->get_port_link(dev, val->port_vlan, &link);
+ if (ret)
+ return ret;
+
+ memset(dev->buf, 0, sizeof(dev->buf));
+
+ if (link.link)
+ len = snprintf(dev->buf, sizeof(dev->buf),
+ "port:%d link:up speed:%s %s-duplex %s%s%s",
+ val->port_vlan,
+ swconfig_speed_str(link.speed),
+ link.duplex ? "full" : "half",
+ link.tx_flow ? "txflow ": "",
+ link.rx_flow ? "rxflow " : "",
+ link.aneg ? "auto" : "");
+ else
+ len = snprintf(dev->buf, sizeof(dev->buf), "port:%d link:down",
+ val->port_vlan);
+
+ val->value.s = dev->buf;
+ val->len = len;
+
+ return 0;
+}
+
static int
swconfig_apply_config(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
{
@@ -160,6 +216,7 @@ enum vlan_defaults {
enum port_defaults {
PORT_PVID,
+ PORT_LINK,
};
static struct switch_attr default_global[] = {
@@ -184,6 +241,13 @@ static struct switch_attr default_port[] = {
.description = "Primary VLAN ID",
.set = swconfig_set_pvid,
.get = swconfig_get_pvid,
+ },
+ [PORT_LINK] = {
+ .type = SWITCH_TYPE_STRING,
+ .name = "link",
+ .description = "Get port link information",
+ .set = NULL,
+ .get = swconfig_get_link,
}
};
@@ -197,6 +261,17 @@ static struct switch_attr default_vlan[] = {
},
};
+static const struct switch_attr *
+swconfig_find_attr_by_name(const struct switch_attrlist *alist, const char *name)
+{
+ int i;
+
+ for (i = 0; i < alist->n_attr; i++)
+ if (strcmp(name, alist->attr[i].name) == 0)
+ return &alist->attr[i];
+
+ return NULL;
+}
static void swconfig_defaults_init(struct switch_dev *dev)
{
@@ -212,6 +287,10 @@ static void swconfig_defaults_init(struct switch_dev *dev)
if (ops->get_port_pvid || ops->set_port_pvid)
set_bit(PORT_PVID, &dev->def_port);
+ if (ops->get_port_link &&
+ !swconfig_find_attr_by_name(&ops->attr_port, "link"))
+ set_bit(PORT_LINK, &dev->def_port);
+
/* always present, can be no-op */
set_bit(GLOBAL_APPLY, &dev->def_global);
set_bit(GLOBAL_RESET, &dev->def_global);