diff options
| -rw-r--r-- | drivers/net/vxlan/vxlan_mdb.c | 7 | ||||
| -rw-r--r-- | include/net/vxlan.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/vxlan/vxlan_mdb.c b/drivers/net/vxlan/vxlan_mdb.c index 129692b3663f..b32b1fb4a74a 100644 --- a/drivers/net/vxlan/vxlan_mdb.c +++ b/drivers/net/vxlan/vxlan_mdb.c @@ -1185,6 +1185,9 @@ vxlan_mdb_entry_get(struct vxlan_dev *vxlan, if (err) goto err_free_entry; + if (hlist_is_singular_node(&mdb_entry->mdb_node, &vxlan->mdb_list)) + vxlan->cfg.flags |= VXLAN_F_MDB; + return mdb_entry; err_free_entry: @@ -1199,6 +1202,9 @@ static void vxlan_mdb_entry_put(struct vxlan_dev *vxlan, if (!list_empty(&mdb_entry->remotes)) return; + if (hlist_is_singular_node(&mdb_entry->mdb_node, &vxlan->mdb_list)) + vxlan->cfg.flags &= ~VXLAN_F_MDB; + rhashtable_remove_fast(&vxlan->mdb_tbl, &mdb_entry->rhnode, vxlan_mdb_rht_params); hlist_del(&mdb_entry->mdb_node); @@ -1336,6 +1342,7 @@ int vxlan_mdb_init(struct vxlan_dev *vxlan) void vxlan_mdb_fini(struct vxlan_dev *vxlan) { vxlan_mdb_entries_flush(vxlan); + WARN_ON_ONCE(vxlan->cfg.flags & VXLAN_F_MDB); rhashtable_free_and_destroy(&vxlan->mdb_tbl, vxlan_mdb_check_empty, NULL); } diff --git a/include/net/vxlan.h b/include/net/vxlan.h index 110b703d8978..b7b2e9abfb37 100644 --- a/include/net/vxlan.h +++ b/include/net/vxlan.h @@ -327,6 +327,7 @@ struct vxlan_dev { #define VXLAN_F_IPV6_LINKLOCAL 0x8000 #define VXLAN_F_TTL_INHERIT 0x10000 #define VXLAN_F_VNIFILTER 0x20000 +#define VXLAN_F_MDB 0x40000 /* Flags that are used in the receive path. These flags must match in * order for a socket to be shareable |