[PATCH net-next 1/6] cls_api: modify the tc_indr_block_ing_cmd parameters.

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From: wenxu <wenxu@xxxxxxxxx>

This patch make tc_indr_block_ing_cmd can't access struct
tc_indr_block_dev and tc_indr_block_cb.

Signed-off-by: wenxu <wenxu@xxxxxxxxx>
---
 net/sched/cls_api.c | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 3565d9a..2e3b58d 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -677,26 +677,28 @@ static void tc_indr_block_cb_del(struct tc_indr_block_cb *indr_block_cb)
 static int tcf_block_setup(struct tcf_block *block,
 			   struct flow_block_offload *bo);
 
-static void tc_indr_block_ing_cmd(struct tc_indr_block_dev *indr_dev,
-				  struct tc_indr_block_cb *indr_block_cb,
+static void tc_indr_block_ing_cmd(struct net_device *dev,
+				  struct tcf_block *block,
+				  tc_indr_block_bind_cb_t *cb,
+				  void *cb_priv,
 				  enum flow_block_command command)
 {
 	struct flow_block_offload bo = {
 		.command	= command,
 		.binder_type	= FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS,
-		.net		= dev_net(indr_dev->dev),
-		.block_shared	= tcf_block_non_null_shared(indr_dev->block),
+		.net		= dev_net(dev),
+		.block_shared	= tcf_block_non_null_shared(block),
 	};
 	INIT_LIST_HEAD(&bo.cb_list);
 
-	if (!indr_dev->block)
+	if (!block)
 		return;
 
-	bo.block = &indr_dev->block->flow_block;
+	bo.block = &block->flow_block;
 
-	indr_block_cb->cb(indr_dev->dev, indr_block_cb->cb_priv, TC_SETUP_BLOCK,
-			  &bo);
-	tcf_block_setup(indr_dev->block, &bo);
+	cb(dev, cb_priv, TC_SETUP_BLOCK, &bo);
+
+	tcf_block_setup(block, &bo);
 }
 
 int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
@@ -715,7 +717,8 @@ int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
 	if (err)
 		goto err_dev_put;
 
-	tc_indr_block_ing_cmd(indr_dev, indr_block_cb, FLOW_BLOCK_BIND);
+	tc_indr_block_ing_cmd(dev, indr_dev->block, cb, cb_priv,
+			      FLOW_BLOCK_BIND);
 	return 0;
 
 err_dev_put:
@@ -752,7 +755,8 @@ void __tc_indr_block_cb_unregister(struct net_device *dev,
 		return;
 
 	/* Send unbind message if required to free any block cbs. */
-	tc_indr_block_ing_cmd(indr_dev, indr_block_cb, FLOW_BLOCK_UNBIND);
+	tc_indr_block_ing_cmd(dev, indr_dev->block, cb, indr_block_cb->cb_priv,
+			      FLOW_BLOCK_UNBIND);
 	tc_indr_block_cb_del(indr_block_cb);
 	tc_indr_block_dev_put(indr_dev);
 }
-- 
1.8.3.1




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