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authorPablo Neira Ayuso <pablo@netfilter.org>2019-07-09 22:55:48 +0200
committerDavid S. Miller <davem@davemloft.net>2019-07-09 14:38:50 -0700
commit0d4fd02e7199fbf57c0d175dd1890c82cd4a6f4f (patch)
treec06ac553a77c2ae6bc7e36db665d77fce29f2e1c /include/net
parent722d36e6e29e50c640c9f5ce186b8d8709cae1a6 (diff)
net: flow_offload: add flow_block_cb_is_busy() and use it
This patch adds a function to check if flow block callback is already in use. Call this new function from flow_block_cb_setup_simple() and from drivers. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/flow_offload.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 377ba0004370..42a36a346003 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -296,6 +296,9 @@ static inline void flow_block_cb_remove(struct flow_block_cb *block_cb,
list_move(&block_cb->list, &offload->cb_list);
}
+bool flow_block_cb_is_busy(tc_setup_cb_t *cb, void *cb_ident,
+ struct list_head *driver_block_list);
+
int flow_block_cb_setup_simple(struct flow_block_offload *f,
struct list_head *driver_list, tc_setup_cb_t *cb,
void *cb_ident, void *cb_priv, bool ingress_only);