tipc: make cluster size threshold for monitoring configurable

In this commit, we introduce support to configure the minimum
threshold to activate the new link monitoring algorithm.

Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 27 insertions, 0 deletions

diff --git a/net/tipc/node.c b/net/tipc/node.c
index 95cc78b51532..0fc531d0f709 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1928,3 +1928,30 @@ out:
 
         return skb->len;
 }
+
+int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info)
+{
+        struct nlattr *attrs[TIPC_NLA_MON_MAX + 1];
+        struct net *net = sock_net(skb->sk);
+        int err;
+
+        if (!info->attrs[TIPC_NLA_MON])
+                return -EINVAL;
+
+        err = nla_parse_nested(attrs, TIPC_NLA_MON_MAX,
+                               info->attrs[TIPC_NLA_MON],
+                               tipc_nl_monitor_policy);
+        if (err)
+                return err;
+
+        if (attrs[TIPC_NLA_MON_ACTIVATION_THRESHOLD]) {
+                u32 val;
+
+                val = nla_get_u32(attrs[TIPC_NLA_MON_ACTIVATION_THRESHOLD]);
+                err = tipc_nl_monitor_set_threshold(net, val);
+                if (err)
+                        return err;
+        }
+
+        return 0;
+}