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-rw-r--r--include/net/netfilter/nf_flow_table.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index fe1507c1db82..692d5955911c 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -62,6 +62,8 @@ struct nf_flowtable_type {
enum flow_offload_tuple_dir dir,
struct nf_flow_rule *flow_rule);
void (*free)(struct nf_flowtable *ft);
+ void (*get)(struct nf_flowtable *ft);
+ void (*put)(struct nf_flowtable *ft);
nf_hookfn *hook;
struct module *owner;
};
@@ -240,6 +242,11 @@ nf_flow_table_offload_add_cb(struct nf_flowtable *flow_table,
}
list_add_tail(&block_cb->list, &block->cb_list);
+ up_write(&flow_table->flow_block_lock);
+
+ if (flow_table->type->get)
+ flow_table->type->get(flow_table);
+ return 0;
unlock:
up_write(&flow_table->flow_block_lock);
@@ -262,6 +269,9 @@ nf_flow_table_offload_del_cb(struct nf_flowtable *flow_table,
WARN_ON(true);
}
up_write(&flow_table->flow_block_lock);
+
+ if (flow_table->type->put)
+ flow_table->type->put(flow_table);
}
void flow_offload_route_init(struct flow_offload *flow,