diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/vxlan.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d3db0313c97e..d9cb0d903283 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -552,6 +552,53 @@ out: } EXPORT_SYMBOL_GPL(vxlan_fdb_find_uc); +static int vxlan_fdb_notify_one(struct notifier_block *nb, + const struct vxlan_dev *vxlan, + const struct vxlan_fdb *f, + const struct vxlan_rdst *rdst) +{ + struct switchdev_notifier_vxlan_fdb_info fdb_info; + int rc; + + vxlan_fdb_switchdev_notifier_info(vxlan, f, rdst, &fdb_info); + rc = nb->notifier_call(nb, SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE, + &fdb_info); + return notifier_to_errno(rc); +} + +int vxlan_fdb_replay(const struct net_device *dev, __be32 vni, + struct notifier_block *nb) +{ + struct vxlan_dev *vxlan; + struct vxlan_rdst *rdst; + struct vxlan_fdb *f; + unsigned int h; + int rc = 0; + + if (!netif_is_vxlan(dev)) + return -EINVAL; + vxlan = netdev_priv(dev); + + spin_lock_bh(&vxlan->hash_lock); + for (h = 0; h < FDB_HASH_SIZE; ++h) { + hlist_for_each_entry(f, &vxlan->fdb_head[h], hlist) { + if (f->vni == vni) { + list_for_each_entry(rdst, &f->remotes, list) { + rc = vxlan_fdb_notify_one(nb, vxlan, + f, rdst); + if (rc) + goto out; + } + } + } + } + +out: + spin_unlock_bh(&vxlan->hash_lock); + return rc; +} +EXPORT_SYMBOL_GPL(vxlan_fdb_replay); + /* Replace destination of unicast mac */ static int vxlan_fdb_replace(struct vxlan_fdb *f, union vxlan_addr *ip, __be16 port, __be32 vni, |