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flow_offload: validate flags of filter and actions

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Add process to validate flags of filter and actions when adding
a tc filter.

We need to prevent adding filter with flags conflicts with its actions.

Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Baowen Zheng
2021-12-17 19:16:28 +01:00
committed by David S. Miller
parent 13926d19a1
commit c86e0209dc
7 changed files with 51 additions and 20 deletions
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2
include/net/act_api.h
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@@ -203,7 +203,7 @@ int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions,
int tcf_action_init(struct net *net, struct tcf_proto *tp, struct nlattr *nla,
struct nlattr *est,
struct tc_action *actions[], int init_res[], size_t *attr_size,
u32 flags, struct netlink_ext_ack *extack);
u32 flags, u32 fl_flags, struct netlink_ext_ack *extack);
struct tc_action_ops *tc_action_load_ops(struct nlattr *nla, bool police,
bool rtnl_held,
struct netlink_ext_ack *extack);