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bridge: mrp: Add 'enum br_mrp_hw_support'

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Horatiu Vultur 2021-02-16 22:42:00 +01:00 committed by David S. Miller
parent c513efa20c
commit e1bd99d07e
1 changed files with 14 additions and 0 deletions
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14
net/bridge/br_private_mrp.h
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@ -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);