netdev - [PATCH RFC 2/7] bridge: cfm: Add BRIDGE

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Message-ID: <20200904091527.669109-3-henrik.bjoernlund@microchip.com>
Date:   Fri, 4 Sep 2020 09:15:22 +0000
From:   Henrik Bjoernlund <henrik.bjoernlund@...rochip.com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <roopa@...dia.com>,
        <nikolay@...dia.com>, <jiri@...lanox.com>, <idosch@...lanox.com>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <bridge@...ts.linux-foundation.org>, <UNGLinuxDriver@...rochip.com>
CC:     Henrik Bjoernlund <henrik.bjoernlund@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH RFC 2/7] bridge: cfm: Add BRIDGE_CFM to Kconfig.

This makes it possible to include or exclude the CFM
protocol according to 802.1Q section 12.14.

Signed-off-by: Henrik Bjoernlund  <henrik.bjoernlund@...rochip.com>
---
 net/bridge/Kconfig      | 11 +++++++++++
 net/bridge/br_device.c  |  3 +++
 net/bridge/br_private.h |  3 +++
 3 files changed, 17 insertions(+)

diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig
index 80879196560c..3c8ded7d3e84 100644
--- a/net/bridge/Kconfig
+++ b/net/bridge/Kconfig
@@ -73,3 +73,14 @@ config BRIDGE_MRP
 	  Say N to exclude this support and reduce the binary size.
 
 	  If unsure, say N.
+
+config BRIDGE_CFM
+	bool "CFM protocol"
+	depends on BRIDGE
+	help
+	  If you say Y here, then the Ethernet bridge will be able to run CFM
+	  protocol according to 802.1Q section 12.14
+
+	  Say N to exclude this support and reduce the binary size.
+
+	  If unsure, say N.
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index a9232db03108..d12f5626a4b1 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -476,6 +476,9 @@ void br_dev_setup(struct net_device *dev)
 	INIT_LIST_HEAD(&br->ftype_list);
 #if IS_ENABLED(CONFIG_BRIDGE_MRP)
 	INIT_LIST_HEAD(&br->mrp_list);
+#endif
+#if IS_ENABLED(CONFIG_BRIDGE_CFM)
+	INIT_LIST_HEAD(&br->mep_list);
 #endif
 	spin_lock_init(&br->hash_lock);
 
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index e67c6d9e8bea..6294a3e51a33 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -445,6 +445,9 @@ struct net_bridge {
 #if IS_ENABLED(CONFIG_BRIDGE_MRP)
 	struct list_head		mrp_list;
 #endif
+#if IS_ENABLED(CONFIG_BRIDGE_CFM)
+	struct list_head		mep_list;
+#endif
 };
 
 struct br_input_skb_cb {
-- 
2.28.0