netdev - [PATCH net-next 03/10] net: tc_act: add helpers to detect ingress mirred actions

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Date:   Sun,  4 Aug 2019 16:09:05 +0100
From:   John Hurley <john.hurley@...ronome.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, simon.horman@...ronome.com,
        jakub.kicinski@...ronome.com, oss-drivers@...ronome.com,
        John Hurley <john.hurley@...ronome.com>
Subject: [PATCH net-next 03/10] net: tc_act: add helpers to detect ingress mirred actions

TC mirred actions can send to egress or ingress on a given netdev. Helpers
exist to detect actions that are mirred to egress. Extend the header file
to include helpers to detect ingress mirred actions.

Signed-off-by: John Hurley <john.hurley@...ronome.com>
Reviewed-by: Simon Horman <simon.horman@...ronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
---
 include/net/tc_act/tc_mirred.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/include/net/tc_act/tc_mirred.h b/include/net/tc_act/tc_mirred.h
index c757585..1cace4c 100644
--- a/include/net/tc_act/tc_mirred.h
+++ b/include/net/tc_act/tc_mirred.h
@@ -32,6 +32,24 @@ static inline bool is_tcf_mirred_egress_mirror(const struct tc_action *a)
 	return false;
 }
 
+static inline bool is_tcf_mirred_ingress_redirect(const struct tc_action *a)
+{
+#ifdef CONFIG_NET_CLS_ACT
+	if (a->ops && a->ops->id == TCA_ID_MIRRED)
+		return to_mirred(a)->tcfm_eaction == TCA_INGRESS_REDIR;
+#endif
+	return false;
+}
+
+static inline bool is_tcf_mirred_ingress_mirror(const struct tc_action *a)
+{
+#ifdef CONFIG_NET_CLS_ACT
+	if (a->ops && a->ops->id == TCA_ID_MIRRED)
+		return to_mirred(a)->tcfm_eaction == TCA_INGRESS_MIRROR;
+#endif
+	return false;
+}
+
 static inline struct net_device *tcf_mirred_dev(const struct tc_action *a)
 {
 	return rtnl_dereference(to_mirred(a)->tcfm_dev);
-- 
2.7.4