bridge: fdb dumping takes a filter device

Dumping a bridge fdb dumps every fdb entry
held. With this change we are going to filter
on selected bridge port.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 3 deletions

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 27acaf7ff6d7..90a906e7ac26 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2517,6 +2517,7 @@ skip:
 int ndo_dflt_fdb_dump(struct sk_buff *skb,
                       struct netlink_callback *cb,
                       struct net_device *dev,
+                      struct net_device *filter_dev,
                       int idx)
 {
         int err;
@@ -2547,13 +2548,15 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
                         br_dev = netdev_master_upper_dev_get(dev);
                         ops = br_dev->netdev_ops;
                         if (ops->ndo_fdb_dump)
-                                idx = ops->ndo_fdb_dump(skb, cb, dev, idx);
+                                idx = ops->ndo_fdb_dump(skb, cb, dev, NULL,
+                                                        idx);
                 }
 
                 if (dev->netdev_ops->ndo_fdb_dump)
-                        idx = dev->netdev_ops->ndo_fdb_dump(skb, cb, dev, idx);
+                        idx = dev->netdev_ops->ndo_fdb_dump(skb, cb, dev, NULL,
+                                                            idx);
                 else
-                        idx = ndo_dflt_fdb_dump(skb, cb, dev, idx);
+                        idx = ndo_dflt_fdb_dump(skb, cb, dev, NULL, idx);
         }
         rcu_read_unlock();