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    Subject[PATCH net-next 2/4] bridge: mrp: Add 'enum br_mrp_hw_support'
    Date
    Add the enum br_mrp_hw_support that is used by the br_mrp_switchdev
    functions to allow the SW to detect better the cases where the HW can't
    implement this or when the 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 1883118aae55..31e666ae6955 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
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