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cls_api: add flow_indr_block_call function 

This patch make indr_block_call don't access struct tc_indr_block_cb
and tc_indr_block_dev directly

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 09:13:51 +08:00 committed by David S. Miller
parent f843698857
commit e4da910211
1 changed files with 17 additions and 10 deletions
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27
net/sched/cls_api.c
View File

@ -773,13 +773,27 @@ void tc_indr_block_cb_unregister(struct net_device *dev,
} }
EXPORT_SYMBOL_GPL(tc_indr_block_cb_unregister); EXPORT_SYMBOL_GPL(tc_indr_block_cb_unregister);
static void flow_indr_block_call(struct net_device *dev,
struct flow_block_offload *bo,
enum flow_block_command command)
{
struct tc_indr_block_cb *indr_block_cb;
struct tc_indr_block_dev *indr_dev;
indr_dev = tc_indr_block_dev_lookup(dev);
if (!indr_dev)
return;
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);
}
static void tc_indr_block_call(struct tcf_block *block, struct net_device *dev, static void tc_indr_block_call(struct tcf_block *block, struct net_device *dev,
struct tcf_block_ext_info *ei, struct tcf_block_ext_info *ei,
enum flow_block_command command, enum flow_block_command command,
struct netlink_ext_ack *extack) struct netlink_ext_ack *extack)
{ {
struct tc_indr_block_cb *indr_block_cb;
struct tc_indr_block_dev *indr_dev;
struct flow_block_offload bo = { struct flow_block_offload bo = {
.command = command, .command = command,
.binder_type = ei->binder_type, .binder_type = ei->binder_type,
@ -790,14 +804,7 @@ static void tc_indr_block_call(struct tcf_block *block, struct net_device *dev,
}; };
INIT_LIST_HEAD(&bo.cb_list); INIT_LIST_HEAD(&bo.cb_list);
indr_dev = tc_indr_block_dev_lookup(dev); flow_indr_block_call(dev, &bo, command);
if (!indr_dev)
return;
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);
tcf_block_setup(block, &bo); tcf_block_setup(block, &bo);
} }