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Subject[PATCH net-next v4 06/12] bridge: mrp: Add br_mrp_in_port_open function
Date
This function notifies the userspace when the node lost the continuity
of MRP_InTest frames.

Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
---
net/bridge/br_mrp_netlink.c | 22 ++++++++++++++++++++++
net/bridge/br_private_mrp.h | 1 +
2 files changed, 23 insertions(+)

diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c
index acce300c0cc29..4bf7aaeb29152 100644
--- a/net/bridge/br_mrp_netlink.c
+++ b/net/bridge/br_mrp_netlink.c
@@ -389,3 +389,25 @@ int br_mrp_ring_port_open(struct net_device *dev, u8 loc)
out:
return err;
}
+
+int br_mrp_in_port_open(struct net_device *dev, u8 loc)
+{
+ struct net_bridge_port *p;
+ int err = 0;
+
+ p = br_port_get_rcu(dev);
+ if (!p) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (loc)
+ p->flags |= BR_MRP_LOST_IN_CONT;
+ else
+ p->flags &= ~BR_MRP_LOST_IN_CONT;
+
+ br_ifinfo_notify(RTM_NEWLINK, NULL, p);
+
+out:
+ return err;
+}
diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
index e93c8f9d4df58..23da2f956ad0e 100644
--- a/net/bridge/br_private_mrp.h
+++ b/net/bridge/br_private_mrp.h
@@ -75,5 +75,6 @@ int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,

/* br_mrp_netlink.c */
int br_mrp_ring_port_open(struct net_device *dev, u8 loc);
+int br_mrp_in_port_open(struct net_device *dev, u8 loc);

#endif /* _BR_PRIVATE_MRP_H */
--
2.27.0
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