bridge: Add a default_pvid sysfs attribute

[firefly-linux-kernel-4.4.55.git] / net / bridge / br_sysfs_br.c

diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index cb431c6016ee18935ddc20cb818391a98646c49e..4c97fc50fb704265bd2f51d96527cf3227a65118 100644 (file)
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -725,6 +725,22 @@ static ssize_t vlan_protocol_store(struct device *d,
        return store_bridge_parm(d, buf, len, br_vlan_set_proto);
 }
 static DEVICE_ATTR_RW(vlan_protocol);
+
+static ssize_t default_pvid_show(struct device *d,
+                                struct device_attribute *attr,
+                                char *buf)
+{
+       struct net_bridge *br = to_bridge(d);
+       return sprintf(buf, "%d\n", br->default_pvid);
+}
+
+static ssize_t default_pvid_store(struct device *d,
+                                 struct device_attribute *attr,
+                                 const char *buf, size_t len)
+{
+       return store_bridge_parm(d, buf, len, br_vlan_set_default_pvid);
+}
+static DEVICE_ATTR_RW(default_pvid);
 #endif
 
 static struct attribute *bridge_attrs[] = {
@@ -771,6 +787,7 @@ static struct attribute *bridge_attrs[] = {
 #ifdef CONFIG_BRIDGE_VLAN_FILTERING
        &dev_attr_vlan_filtering.attr,
        &dev_attr_vlan_protocol.attr,
+       &dev_attr_default_pvid.attr,
 #endif
        NULL
 };