From 4139d4b51a462135d6368e80a9314b57e57279f2 Mon Sep 17 00:00:00 2001 From: Horatiu Vultur Date: Tue, 14 Jul 2020 09:34:52 +0200 Subject: bridge: mrp: Add br_mrp_in_port_open function This function notifies the userspace when the node lost the continuity of MRP_InTest frames. Signed-off-by: Horatiu Vultur Acked-by: Nikolay Aleksandrov Signed-off-by: David S. Miller --- 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 acce300c0cc2..4bf7aaeb2915 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 e93c8f9d4df5..23da2f956ad0 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 */ -- cgit v1.2.3