generic: rtl8366: add common rtl8366_sw_get_vlan_info

SVN-Revision: 22203

1 files changed, 42 insertions, 0 deletions

diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
index a45c844cad..e46768f827 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
@@ -788,6 +788,48 @@ int rtl8366_sw_get_port_mib(struct switch_dev *dev,
 }
 EXPORT_SYMBOL_GPL(rtl8366_sw_get_port_mib);
 
+int rtl8366_sw_get_vlan_info(struct switch_dev *dev,
+			     const struct switch_attr *attr,
+			     struct switch_val *val)
+{
+	int i;
+	u32 len = 0;
+	struct rtl8366_vlan_4k vlan4k;
+	struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
+	char *buf = smi->buf;
+	int err;
+
+	if (!smi->ops->is_vlan_valid(smi, val->port_vlan))
+		return -EINVAL;
+
+	memset(buf, '\0', sizeof(smi->buf));
+
+	err = smi->ops->get_vlan_4k(smi, val->port_vlan, &vlan4k);
+	if (err)
+		return err;
+
+	len += snprintf(buf + len, sizeof(smi->buf) - len,
+			"VLAN %d: Ports: '", vlan4k.vid);
+
+	for (i = 0; i < smi->num_ports; i++) {
+		if (!(vlan4k.member & (1 << i)))
+			continue;
+
+		len += snprintf(buf + len, sizeof(smi->buf) - len, "%d%s", i,
+				(vlan4k.untag & (1 << i)) ? "" : "t");
+	}
+
+	len += snprintf(buf + len, sizeof(smi->buf) - len,
+			"', members=%04x, untag=%04x, fid=%u",
+			vlan4k.member, vlan4k.untag, vlan4k.fid);
+
+	val->value.s = buf;
+	val->len = len;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_sw_get_vlan_info);
+
 struct rtl8366_smi *rtl8366_smi_alloc(struct device *parent)
 {
 	struct rtl8366_smi *smi;