netdev - [PATCH net-next V3 04/10] net/act_skbedit: Utility functions for mark action

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Message-Id: <1457433758-9193-5-git-send-email-amir@vadai.me>
Date:	Tue,  8 Mar 2016 12:42:32 +0200
From:	Amir Vadai <amir@...ai.me>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org,
	John Fastabend <john.r.fastabend@...el.com>,
	Jiri Pirko <jiri@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Saeed Mahameed <saeedm@...lanox.com>,
	Hadar Har-Zion <hadarh@...lanox.com>,
	Rony Efraim <ronye@...lanox.com>, Amir Vadai <amir@...ai.me>
Subject: [PATCH net-next V3 04/10] net/act_skbedit: Utility functions for mark action

Enable device drivers to query the action, if and only if is a mark
action and what value to use for marking.

Acked-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Amir Vadai <amir@...ai.me>
---
 include/net/tc_act/tc_skbedit.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/include/net/tc_act/tc_skbedit.h b/include/net/tc_act/tc_skbedit.h
index 0df9a0d..b496d5a 100644
--- a/include/net/tc_act/tc_skbedit.h
+++ b/include/net/tc_act/tc_skbedit.h
@@ -20,6 +20,7 @@
 #define __NET_TC_SKBEDIT_H
 
 #include <net/act_api.h>
+#include <linux/tc_act/tc_skbedit.h>
 
 struct tcf_skbedit {
 	struct tcf_common	common;
@@ -32,4 +33,19 @@ struct tcf_skbedit {
 #define to_skbedit(a) \
 	container_of(a->priv, struct tcf_skbedit, common)
 
+/* Return true iff action is mark */
+static inline bool is_tcf_skbedit_mark(const struct tc_action *a)
+{
+#ifdef CONFIG_NET_CLS_ACT
+	if (a->ops && a->ops->type == TCA_ACT_SKBEDIT)
+		return to_skbedit(a)->flags == SKBEDIT_F_MARK;
+#endif
+	return false;
+}
+
+static inline u32 tcf_skbedit_mark(const struct tc_action *a)
+{
+	return to_skbedit(a)->mark;
+}
+
 #endif /* __NET_TC_SKBEDIT_H */
-- 
2.7.0