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, 13 insertions, 2 deletions

diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index 56935df2167a..1e43ac0200ed 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -52,7 +52,8 @@ static const struct nla_policy tipc_nl_policy[TIPC_NLA_MAX + 1] = {
         [TIPC_NLA_MEDIA]        = { .type = NLA_NESTED, },
         [TIPC_NLA_NODE]         = { .type = NLA_NESTED, },
         [TIPC_NLA_NET]          = { .type = NLA_NESTED, },
-        [TIPC_NLA_NAME_TABLE]   = { .type = NLA_NESTED, }
+        [TIPC_NLA_NAME_TABLE]   = { .type = NLA_NESTED, },
+        [TIPC_NLA_MON]          = { .type = NLA_NESTED, },
 };
 
 const struct nla_policy
@@ -61,6 +62,11 @@ tipc_nl_name_table_policy[TIPC_NLA_NAME_TABLE_MAX + 1] = {
         [TIPC_NLA_NAME_TABLE_PUBL]      = { .type = NLA_NESTED }
 };
 
+const struct nla_policy tipc_nl_monitor_policy[TIPC_NLA_MON_MAX + 1] = {
+        [TIPC_NLA_MON_UNSPEC]                   = { .type = NLA_UNSPEC },
+        [TIPC_NLA_MON_ACTIVATION_THRESHOLD]     = { .type = NLA_U32 },
+};
+
 const struct nla_policy tipc_nl_sock_policy[TIPC_NLA_SOCK_MAX + 1] = {
         [TIPC_NLA_SOCK_UNSPEC]          = { .type = NLA_UNSPEC },
         [TIPC_NLA_SOCK_ADDR]            = { .type = NLA_U32 },
@@ -214,7 +220,12 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
                 .cmd    = TIPC_NL_NAME_TABLE_GET,
                 .dumpit = tipc_nl_name_table_dump,
                 .policy = tipc_nl_policy,
-        }
+        },
+        {
+                .cmd    = TIPC_NL_MON_SET,
+                .doit   = tipc_nl_node_set_monitor,
+                .policy = tipc_nl_policy,
+        },
 };
 
 int tipc_nlmsg_parse(const struct nlmsghdr *nlh, struct nlattr ***attr)