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Message-ID: <20200706091842.3324565-7-horatiu.vultur@microchip.com>
Date: Mon, 6 Jul 2020 11:18:36 +0200
From: Horatiu Vultur <horatiu.vultur@...rochip.com>
To: <nikolay@...ulusnetworks.com>, <roopa@...ulusnetworks.com>,
<davem@...emloft.net>, <kuba@...nel.org>, <jiri@...nulli.us>,
<ivecera@...hat.com>, <andrew@...n.ch>,
<UNGLinuxDriver@...rochip.com>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <bridge@...ts.linux-foundation.org>
CC: Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH net-next 06/12] 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 <horatiu.vultur@...rochip.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 d5957f7e687ff..384cb69b47e02 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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