net/sched: act_csum: Add accessors for offloading drivers

Add the accessors for realizing if this is a csum action,
and for which fields checksum is needed.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/include/net/tc_act/tc_csum.h b/include/net/tc_act/tc_csum.h
index f31fb6331a532eed7258177d5cfbb48fde9a594a..3248beaf16b0513283cd3c863695a77d09793cdc 100644 (file)
--- a/include/net/tc_act/tc_csum.h
+++ b/include/net/tc_act/tc_csum.h
@@ -3,6 +3,7 @@
 
 #include <linux/types.h>
 #include <net/act_api.h>
+#include <linux/tc_act/tc_csum.h>
 
 struct tcf_csum {
        struct tc_action common;
@@ -11,4 +12,18 @@ struct tcf_csum {
 };
 #define to_tcf_csum(a) ((struct tcf_csum *)a)
 
+static inline bool is_tcf_csum(const struct tc_action *a)
+{
+#ifdef CONFIG_NET_CLS_ACT
+       if (a->ops && a->ops->type == TCA_ACT_CSUM)
+               return true;
+#endif
+       return false;
+}
+
+static inline u32 tcf_csum_update_flags(const struct tc_action *a)
+{
+       return to_tcf_csum(a)->update_flags;
+}
+
 #endif /* __NET_TC_CSUM_H */