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Message-ID: <20210123161812.1043345-3-horatiu.vultur@microchip.com>
Date: Sat, 23 Jan 2021 17:18:10 +0100
From: Horatiu Vultur <horatiu.vultur@...rochip.com>
To: <jiri@...nulli.us>, <ivecera@...hat.com>, <davem@...emloft.net>,
<kuba@...nel.org>, <roopa@...dia.com>, <nikolay@...dia.com>,
<rasmus.villemoes@...vas.dk>, <andrew@...n.ch>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<bridge@...ts.linux-foundation.org>
CC: Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH net-next 2/4] bridge: mrp: Add 'enum br_mrp_hw_support'
Add the enum br_mrp_hw_support that is used by the br_mrp_switchdev
functions to allow the SW to detect better the cases where the HW can't
implement this or when the SW is used as a backup.
Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
net/bridge/br_private_mrp.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
index 1883118aae55..31e666ae6955 100644
--- a/net/bridge/br_private_mrp.h
+++ b/net/bridge/br_private_mrp.h
@@ -46,6 +46,20 @@ struct br_mrp {
struct rcu_head rcu;
};
+/* This type is returned by br_mrp_switchdev functions that allow to have a SW
+ * backup in case the HW can't implement completely the protocol.
+ * BR_MRP_NONE - means the HW can't run at all the protocol, so the SW stops
+ * configuring the node anymore.
+ * BR_MRP_SW - the HW can help the SW to run the protocol, by redirecting MRP
+ * frames to CPU.
+ * BR_MRP_HW - the HW can implement completely the protocol.
+ */
+enum br_mrp_hw_support {
+ BR_MRP_NONE,
+ BR_MRP_SW,
+ BR_MRP_HW,
+};
+
/* br_mrp.c */
int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance);
int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance);
--
2.27.0
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