1 files changed, 11 insertions, 3 deletions

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 60e4ca01ccbb..726edabff26b 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -36,6 +36,7 @@
 #include <linux/netpoll.h>
 
 #define MACVLAN_HASH_SIZE       (1 << BITS_PER_BYTE)
+#define MACVLAN_BC_QUEUE_LEN    1000
 
 struct macvlan_port {
         struct net_device       *dev;
@@ -248,7 +249,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port,
                 goto err;
 
         spin_lock(&port->bc_queue.lock);
-        if (skb_queue_len(&port->bc_queue) < skb->dev->tx_queue_len) {
+        if (skb_queue_len(&port->bc_queue) < MACVLAN_BC_QUEUE_LEN) {
                 __skb_queue_tail(&port->bc_queue, nskb);
                 err = 0;
         }
@@ -739,7 +740,10 @@ static int macvlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
         struct macvlan_dev *vlan = netdev_priv(dev);
         int err = -EINVAL;
 
-        if (!vlan->port->passthru)
+        /* Support unicast filter only on passthru devices.
+         * Multicast filter should be allowed on all devices.
+         */
+        if (!vlan->port->passthru && is_unicast_ether_addr(addr))
                 return -EOPNOTSUPP;
 
         if (flags & NLM_F_REPLACE)
@@ -760,7 +764,10 @@ static int macvlan_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
         struct macvlan_dev *vlan = netdev_priv(dev);
         int err = -EINVAL;
 
-        if (!vlan->port->passthru)
+        /* Support unicast filter only on passthru devices.
+         * Multicast filter should be allowed on all devices.
+         */
+        if (!vlan->port->passthru && is_unicast_ether_addr(addr))
                 return -EOPNOTSUPP;
 
         if (is_unicast_ether_addr(addr))
@@ -800,6 +807,7 @@ static netdev_features_t macvlan_fix_features(struct net_device *dev,
                                              features,
                                              mask);
         features |= ALWAYS_ON_FEATURES;
+        features &= ~NETIF_F_NETNS_LOCAL;
 
         return features;
 }