[PATCH net-next v7 02/10] bridge: cfm: Add BRIDGE_CFM to Kconfig.

From: Henrik Bjoernlund <henrik.bjoernlund@microchip.com>
To: <davem@davemloft.net>, <kuba@kernel.org>, <roopa@nvidia.com>,
	<nikolay@nvidia.com>, <jiri@mellanox.com>, <idosch@mellanox.com>,
	<linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
	<bridge@lists.linux-foundation.org>,
	<UNGLinuxDriver@microchip.com>
Cc: Henrik Bjoernlund <henrik.bjoernlund@microchip.com>,
	Horatiu Vultur <horatiu.vultur@microchip.com>
Subject: [PATCH net-next v7 02/10] bridge: cfm: Add BRIDGE_CFM to Kconfig.
Date: Tue, 27 Oct 2020 10:02:43 +0000	[thread overview]
Message-ID: <20201027100251.3241719-3-henrik.bjoernlund@microchip.com> (raw)
In-Reply-To: <20201027100251.3241719-1-henrik.bjoernlund@microchip.com>

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@microchip.com>
Reviewed-by: Horatiu Vultur  <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.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 15c6445fa998..9b5d62744acc 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -457,6 +457,9 @@ void br_dev_setup(struct net_device *dev)
 	INIT_HLIST_HEAD(&br->frame_type_list);
 #if IS_ENABLED(CONFIG_BRIDGE_MRP)
 	INIT_LIST_HEAD(&br->mrp_list);
+#endif
+#if IS_ENABLED(CONFIG_BRIDGE_CFM)
+	INIT_HLIST_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 2fe8b88d090e..90ead48fa762 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -484,6 +484,9 @@ struct net_bridge {
 #if IS_ENABLED(CONFIG_BRIDGE_MRP)
 	struct list_head		mrp_list;
 #endif
+#if IS_ENABLED(CONFIG_BRIDGE_CFM)
+	struct hlist_head		mep_list;
+#endif
 };
 
 struct br_input_skb_cb {
-- 
2.28.0

