Commit 26f2eb27 authored by wenxu's avatar wenxu Committed by David S. Miller
Browse files

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: default avatarwenxu <wenxu@ucloud.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 56c09de3

include/net/flow_offload.h

+13 −0
Original line number Diff line number Diff line
@@ -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);

net/core/flow_offload.c

+21 −0
Original line number Diff line number Diff line
@@ -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))