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authorwenxu <wenxu@ucloud.cn>2020-06-18 14:49:08 +0200
committerDavid S. Miller <davem@davemloft.net>2020-06-20 05:12:58 +0200
commit26f2eb27d081081dbea6d3c11602c9ece36f4d9c (patch)
tree9dd88deea54a6d30fe8d6340818aef992e2dce09
parentgeneve: allow changing DF behavior after creation (diff)
downloadlinux-26f2eb27d081081dbea6d3c11602c9ece36f4d9c.tar.xz
linux-26f2eb27d081081dbea6d3c11602c9ece36f4d9c.zip
flow_offload: add flow_indr_block_cb_alloc/remove function
Add flow_indr_block_cb_alloc/remove function for next fix patch. Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/flow_offload.h13
-rw-r--r--net/core/flow_offload.c21
2 files changed, 34 insertions, 0 deletions
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index f2c8311a0433..bf4343042956 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -467,6 +467,12 @@ struct flow_block_cb {
struct flow_block_cb *flow_block_cb_alloc(flow_setup_cb_t *cb,
void *cb_ident, void *cb_priv,
void (*release)(void *cb_priv));
+struct flow_block_cb *flow_indr_block_cb_alloc(flow_setup_cb_t *cb,
+ void *cb_ident, void *cb_priv,
+ void (*release)(void *cb_priv),
+ struct flow_block_offload *bo,
+ struct net_device *dev, void *data,
+ void (*cleanup)(struct flow_block_cb *block_cb));
void flow_block_cb_free(struct flow_block_cb *block_cb);
struct flow_block_cb *flow_block_cb_lookup(struct flow_block *block,
@@ -488,6 +494,13 @@ static inline void flow_block_cb_remove(struct flow_block_cb *block_cb,
list_move(&block_cb->list, &offload->cb_list);
}
+static inline void flow_indr_block_cb_remove(struct flow_block_cb *block_cb,
+ struct flow_block_offload *offload)
+{
+ list_del(&block_cb->indr.list);
+ list_move(&block_cb->list, &offload->cb_list);
+}
+
bool flow_block_cb_is_busy(flow_setup_cb_t *cb, void *cb_ident,
struct list_head *driver_block_list);
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index 0cfc35e6be28..1fd781d155b4 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -437,6 +437,27 @@ static void flow_block_indr_init(struct flow_block_cb *flow_block,
flow_block->indr.cleanup = cleanup;
}
+struct flow_block_cb *flow_indr_block_cb_alloc(flow_setup_cb_t *cb,
+ void *cb_ident, void *cb_priv,
+ void (*release)(void *cb_priv),
+ struct flow_block_offload *bo,
+ struct net_device *dev, void *data,
+ void (*cleanup)(struct flow_block_cb *block_cb))
+{
+ struct flow_block_cb *block_cb;
+
+ block_cb = flow_block_cb_alloc(cb, cb_ident, cb_priv, release);
+ if (IS_ERR(block_cb))
+ goto out;
+
+ flow_block_indr_init(block_cb, bo, dev, data, cleanup);
+ list_add(&block_cb->indr.list, &flow_block_indr_list);
+
+out:
+ return block_cb;
+}
+EXPORT_SYMBOL(flow_indr_block_cb_alloc);
+
static void __flow_block_indr_binding(struct flow_block_offload *bo,
struct net_device *dev, void *data,
void (*cleanup)(struct flow_block_cb *block_cb))