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Diffstat (limited to 'net/core/flow_offload.c')
-rw-r--r--net/core/flow_offload.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index d08148cb6953..c81a7e0c5e04 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -176,6 +176,7 @@ struct flow_block_cb *flow_block_cb_alloc(struct net *net, tc_setup_cb_t *cb,
if (!block_cb)
return ERR_PTR(-ENOMEM);
+ block_cb->net = net;
block_cb->cb = cb;
block_cb->cb_ident = cb_ident;
block_cb->cb_priv = cb_priv;
@@ -194,6 +195,22 @@ void flow_block_cb_free(struct flow_block_cb *block_cb)
}
EXPORT_SYMBOL(flow_block_cb_free);
+struct flow_block_cb *flow_block_cb_lookup(struct flow_block_offload *f,
+ tc_setup_cb_t *cb, void *cb_ident)
+{
+ struct flow_block_cb *block_cb;
+
+ list_for_each_entry(block_cb, f->driver_block_list, driver_list) {
+ if (block_cb->net == f->net &&
+ block_cb->cb == cb &&
+ block_cb->cb_ident == cb_ident)
+ return block_cb;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(flow_block_cb_lookup);
+
int flow_block_cb_setup_simple(struct flow_block_offload *f,
struct list_head *driver_block_list,
tc_setup_cb_t *cb, void *cb_ident, void *cb_priv,