diff options
| -rw-r--r-- | drivers/net/vxlan.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 49d4b5854c62..71c3b7b6b1ab 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1152,6 +1152,39 @@ out: return err; } +static int vxlan_fdb_get(struct sk_buff *skb, + struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 vid, u32 portid, u32 seq, + struct netlink_ext_ack *extack) +{ + struct vxlan_dev *vxlan = netdev_priv(dev); + struct vxlan_fdb *f; + __be32 vni; + int err; + + if (tb[NDA_VNI]) + vni = cpu_to_be32(nla_get_u32(tb[NDA_VNI])); + else + vni = vxlan->default_dst.remote_vni; + + rcu_read_lock(); + + f = __vxlan_find_mac(vxlan, addr, vni); + if (!f) { + NL_SET_ERR_MSG(extack, "Fdb entry not found"); + err = -ENOENT; + goto errout; + } + + err = vxlan_fdb_info(skb, vxlan, f, portid, seq, + RTM_NEWNEIGH, 0, first_remote_rcu(f)); +errout: + rcu_read_unlock(); + return err; +} + /* Watch incoming packets to learn mapping between Ethernet address * and Tunnel endpoint. * Return true if packet is bogus and should be dropped. @@ -2805,6 +2838,7 @@ static const struct net_device_ops vxlan_netdev_ether_ops = { .ndo_fdb_add = vxlan_fdb_add, .ndo_fdb_del = vxlan_fdb_delete, .ndo_fdb_dump = vxlan_fdb_dump, + .ndo_fdb_get = vxlan_fdb_get, .ndo_fill_metadata_dst = vxlan_fill_metadata_dst, }; |