[PATCH net-next v5 02/10] bridge: cfm: Add BRIDGE_CFM to Kconfig.

Henrik Bjoernlund
2020-10-12T14:06:59Z

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 206c4ba51cd2..2a3b316f32eb 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_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