From: Pablo Neira Ayuso pablo@netfilter.org
[ Upstream commit 759eebbcfafcefa23b59e912396306543764bd3c ]
Expose nf_flow_table_gc_run() to force a garbage collector run from the offload infrastructure.
Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Signed-off-by: Sasha Levin sashal@kernel.org --- include/net/netfilter/nf_flow_table.h | 1 + net/netfilter/nf_flow_table_core.c | 12 +++++++++--- 2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h index 9f927c44087de..f337041dcc352 100644 --- a/include/net/netfilter/nf_flow_table.h +++ b/include/net/netfilter/nf_flow_table.h @@ -266,6 +266,7 @@ 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_run(struct nf_flowtable *flow_table); void nf_flow_table_gc_cleanup(struct nf_flowtable *flowtable, struct net_device *dev); void nf_flow_table_cleanup(struct net_device *dev); diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c index 9fb407084c506..95ff1284d3d89 100644 --- a/net/netfilter/nf_flow_table_core.c +++ b/net/netfilter/nf_flow_table_core.c @@ -436,12 +436,17 @@ static void nf_flow_offload_gc_step(struct nf_flowtable *flow_table, } }
+void nf_flow_table_gc_run(struct nf_flowtable *flow_table) +{ + nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, NULL); +} + static void nf_flow_offload_work_gc(struct work_struct *work) { struct nf_flowtable *flow_table;
flow_table = container_of(work, struct nf_flowtable, gc_work.work); - nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, NULL); + nf_flow_table_gc_run(flow_table); queue_delayed_work(system_power_efficient_wq, &flow_table->gc_work, HZ); }
@@ -600,10 +605,11 @@ void nf_flow_table_free(struct nf_flowtable *flow_table)
cancel_delayed_work_sync(&flow_table->gc_work); nf_flow_table_iterate(flow_table, nf_flow_table_do_cleanup, NULL); - nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, NULL); + nf_flow_table_gc_run(flow_table); nf_flow_table_offload_flush(flow_table); if (nf_flowtable_hw_offload(flow_table)) - nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, NULL); + nf_flow_table_gc_run(flow_table); + rhashtable_destroy(&flow_table->rhashtable); } EXPORT_SYMBOL_GPL(nf_flow_table_free);