diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/vxlan.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index de5caa2f6aac..410eee23c50c 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -504,6 +504,46 @@ static struct vxlan_rdst *vxlan_fdb_find_rdst(struct vxlan_fdb *f, return NULL; } +int vxlan_fdb_find_uc(struct net_device *dev, const u8 *mac, __be32 vni, + struct switchdev_notifier_vxlan_fdb_info *fdb_info) +{ + struct vxlan_dev *vxlan = netdev_priv(dev); + u8 eth_addr[ETH_ALEN + 2] = { 0 }; + struct vxlan_rdst *rdst; + struct vxlan_fdb *f; + int rc = 0; + + if (is_multicast_ether_addr(mac) || + is_zero_ether_addr(mac)) + return -EINVAL; + + ether_addr_copy(eth_addr, mac); + + rcu_read_lock(); + + f = __vxlan_find_mac(vxlan, eth_addr, vni); + if (!f) { + rc = -ENOENT; + goto out; + } + + rdst = first_remote_rcu(f); + + memset(fdb_info, 0, sizeof(*fdb_info)); + fdb_info->info.dev = dev; + fdb_info->remote_ip = rdst->remote_ip; + fdb_info->remote_port = rdst->remote_port; + fdb_info->remote_vni = rdst->remote_vni; + fdb_info->remote_ifindex = rdst->remote_ifindex; + fdb_info->vni = vni; + ether_addr_copy(fdb_info->eth_addr, mac); + +out: + rcu_read_unlock(); + return rc; +} +EXPORT_SYMBOL_GPL(vxlan_fdb_find_uc); + /* Replace destination of unicast mac */ static int vxlan_fdb_replace(struct vxlan_fdb *f, union vxlan_addr *ip, __be16 port, __be32 vni, |