[net-next PATCH 5/7] net: tc: helper functions to query action types

John Fastabend
2016-02-03T09:29:34Z

This is a helper function drivers can use to learn if the
action type is a drop action.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
---
include/net/tc_act/tc_gact.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/include/net/tc_act/tc_gact.h b/include/net/tc_act/tc_gact.h
index 592a6bc..3067a10 100644
--- a/include/net/tc_act/tc_gact.h
+++ b/include/net/tc_act/tc_gact.h
@@ -2,6 +2,7 @@
#define __NET_TC_GACT_H

#include <net/act_api.h>
+#include <linux/tc_act/tc_gact.h>

struct tcf_gact {
struct tcf_common common;
@@ -15,4 +16,19 @@ struct tcf_gact {
#define to_gact(a) \
container_of(a->priv, struct tcf_gact, common)

+#ifdef CONFIG_NET_CLS_ACT
+static inline bool is_tcf_gact_dropped(const struct tc_action *a)
+{
+ struct tcf_gact *gact;
+
+ if (a->ops && a->ops->type != TCA_ACT_GACT)
+ return false;
+
+ gact = a->priv;
+ if (gact->tcf_action == TC_ACT_SHOT)
+ return true;
+
+ return false;
+}
+#endif
#endif /* __NET_TC_GACT_H */