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cls_api: remove the tcf_block cache 

Remove the tcf_block in the tc_indr_block_dev for muti-subsystem
support.

Signed-off-by: wenxu <wenxu@ucloud.cn>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
wenxu 2019-08-07 09:13:50 +08:00 committed by David S. Miller
parent 242453c227
commit f843698857
1 changed files with 8 additions and 8 deletions
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16
net/sched/cls_api.c
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@ -574,7 +574,6 @@ struct tc_indr_block_dev {
struct net_device *dev;
unsigned int refcnt;
struct list_head cb_list;
struct tcf_block *block;
};
struct tc_indr_block_cb {
@ -611,7 +610,6 @@ static struct tc_indr_block_dev *tc_indr_block_dev_get(struct net_device *dev)
INIT_LIST_HEAD(&indr_dev->cb_list);
indr_dev->dev = dev;
indr_dev->block = tc_dev_ingress_block(dev);
if (rhashtable_insert_fast(&indr_setup_block_ht, &indr_dev->ht_node,
tc_indr_setup_block_ht_params)) {
kfree(indr_dev);
@ -706,6 +704,7 @@ int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
{
struct tc_indr_block_cb *indr_block_cb;
struct tc_indr_block_dev *indr_dev;
struct tcf_block *block;
int err;
indr_dev = tc_indr_block_dev_get(dev);
@ -717,8 +716,9 @@ int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
if (err)
goto err_dev_put;
tc_indr_block_ing_cmd(dev, indr_dev->block, cb, cb_priv,
FLOW_BLOCK_BIND);
block = tc_dev_ingress_block(dev);
tc_indr_block_ing_cmd(dev, block, indr_block_cb->cb,
indr_block_cb->cb_priv, FLOW_BLOCK_BIND);
return 0;
err_dev_put:
@ -745,6 +745,7 @@ void __tc_indr_block_cb_unregister(struct net_device *dev,
{
struct tc_indr_block_cb *indr_block_cb;
struct tc_indr_block_dev *indr_dev;
struct tcf_block *block;
indr_dev = tc_indr_block_dev_lookup(dev);
if (!indr_dev)
@ -755,8 +756,9 @@ 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(dev, indr_dev->block, cb, indr_block_cb->cb_priv,
FLOW_BLOCK_UNBIND);
block = tc_dev_ingress_block(dev);
tc_indr_block_ing_cmd(dev, block, indr_block_cb->cb,
indr_block_cb->cb_priv, FLOW_BLOCK_UNBIND);
tc_indr_block_cb_del(indr_block_cb);
tc_indr_block_dev_put(indr_dev);
}
@ -792,8 +794,6 @@ static void tc_indr_block_call(struct tcf_block *block, struct net_device *dev,
if (!indr_dev)
return;
indr_dev->block = command == FLOW_BLOCK_BIND ? block : NULL;
list_for_each_entry(indr_block_cb, &indr_dev->cb_list, list)
indr_block_cb->cb(dev, indr_block_cb->cb_priv, TC_SETUP_BLOCK,
&bo);