netfilter: nf_flowtable: expose nf_flow_table_gc_cleanup()

This function schedules the flow teardown state and it forces a gc run.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index c54a7f7..d7338bf 100644 (file)
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -175,6 +175,8 @@ void flow_offload_refresh(struct nf_flowtable *flow_table,
 
 struct flow_offload_tuple_rhash *flow_offload_lookup(struct nf_flowtable *flow_table,
                                                     struct flow_offload_tuple *tuple);
+void nf_flow_table_gc_cleanup(struct nf_flowtable *flowtable,
+                             struct net_device *dev);
 void nf_flow_table_cleanup(struct net_device *dev);
 
 int nf_flow_table_init(struct nf_flowtable *flow_table);

diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index 42da6e3..6a3034f 100644 (file)
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -588,8 +588,8 @@ static void nf_flow_table_do_cleanup(struct flow_offload *flow, void *data)
                flow_offload_teardown(flow);
 }
 
-static void nf_flow_table_iterate_cleanup(struct nf_flowtable *flowtable,
-                                         struct net_device *dev)
+void nf_flow_table_gc_cleanup(struct nf_flowtable *flowtable,
+                             struct net_device *dev)
 {
        nf_flow_table_iterate(flowtable, nf_flow_table_do_cleanup, dev);
        flush_delayed_work(&flowtable->gc_work);
@@ -602,7 +602,7 @@ void nf_flow_table_cleanup(struct net_device *dev)
 
        mutex_lock(&flowtable_lock);
        list_for_each_entry(flowtable, &flowtables, list)
-               nf_flow_table_iterate_cleanup(flowtable, dev);
+               nf_flow_table_gc_cleanup(flowtable, dev);
        mutex_unlock(&flowtable_lock);
 }
 EXPORT_SYMBOL_GPL(nf_flow_table_cleanup);