netdev - [RFC net-next v2 4/7] net: openvswitch: add meter drop reason

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Date: Tue,  1 Aug 2023 17:16:45 +0200
From: Adrian Moreno <amorenoz@...hat.com>
To: netdev@...r.kernel.org
Cc: Adrian Moreno <amorenoz@...hat.com>,
	aconole@...hat.com,
	i.maximets@....org,
	eric@...ver.life,
	dev@...nvswitch.org
Subject: [RFC net-next v2 4/7] net: openvswitch: add meter drop reason

By using an independent drop reason it makes it easy to ditinguish
between QoS-triggered or flow-triggered drop.

Signed-off-by: Adrian Moreno <amorenoz@...hat.com>
---
 net/openvswitch/actions.c | 2 +-
 net/openvswitch/drop.h    | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 285b1243b94f..e204c7eee8ef 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -1454,7 +1454,7 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
 
 		case OVS_ACTION_ATTR_METER:
 			if (ovs_meter_execute(dp, skb, key, nla_get_u32(a))) {
-				consume_skb(skb);
+				kfree_skb_reason(skb, OVS_DROP_METER);
 				return 0;
 			}
 			break;
diff --git a/net/openvswitch/drop.h b/net/openvswitch/drop.h
index be51ff5039fb..1ba866c408e5 100644
--- a/net/openvswitch/drop.h
+++ b/net/openvswitch/drop.h
@@ -12,6 +12,7 @@
 	R(OVS_DROP_ACTION_ERROR)		\
 	R(OVS_DROP_EXPLICIT_ACTION)		\
 	R(OVS_DROP_EXPLICIT_ACTION_ERROR)	\
+	R(OVS_DROP_METER)			\
 	/* deliberate comment for trailing \ */
 
 enum ovs_drop_reason {
-- 
2.41.0