[PATCH net-next v4 3/8] bridge: mrp: Add 'enum br_mrp_hw_support'
From: Horatiu Vultur <horatiu.vultur@microchip.com>
Date: 2021-02-16 21:45:59
Also in:
bridge, lkml
Subsystem:
ethernet bridge, networking [general], the rest · Maintainers:
Nikolay Aleksandrov, Ido Schimmel, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add the enum br_mrp_hw_support that is used by the br_mrp_switchdev functions to allow the SW to detect the cases where HW can't implement the functionality or when SW is used as a backup. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.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 2514954c1431..966444304c38 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