3 files changed, 55 insertions, 0 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index d49b8c25dd11..6d547d0b3f31 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -849,3 +849,52 @@ int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
 
 	return 0;
 }
+
+int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
+{
+	int err;
+	char *name;
+	struct tipc_bearer *b;
+	struct nlattr *attrs[TIPC_NLA_BEARER_MAX + 1];
+
+	if (!info->attrs[TIPC_NLA_BEARER])
+		return -EINVAL;
+
+	err = nla_parse_nested(attrs, TIPC_NLA_BEARER_MAX,
+			       info->attrs[TIPC_NLA_BEARER],
+			       tipc_nl_bearer_policy);
+	if (err)
+		return err;
+
+	if (!attrs[TIPC_NLA_BEARER_NAME])
+		return -EINVAL;
+	name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);
+
+	rtnl_lock();
+	b = tipc_bearer_find(name);
+	if (!b) {
+		rtnl_unlock();
+		return -EINVAL;
+	}
+
+	if (attrs[TIPC_NLA_BEARER_PROP]) {
+		struct nlattr *props[TIPC_NLA_PROP_MAX + 1];
+
+		err = tipc_nl_parse_link_prop(attrs[TIPC_NLA_BEARER_PROP],
+					      props);
+		if (err) {
+			rtnl_unlock();
+			return err;
+		}
+
+		if (props[TIPC_NLA_PROP_TOL])
+			b->tolerance = nla_get_u32(props[TIPC_NLA_PROP_TOL]);
+		if (props[TIPC_NLA_PROP_PRIO])
+			b->priority = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
+		if (props[TIPC_NLA_PROP_WIN])
+			b->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
+	}
+	rtnl_unlock();
+
+	return 0;
+}
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index 2d07e35f91fc..c6cf9df31375 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -182,6 +182,7 @@ int tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info);
 int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info);
 int tipc_nl_bearer_dump(struct sk_buff *skb, struct netlink_callback *cb);
 int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info);
+int tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info);
 
 int tipc_media_set_priority(const char *name, u32 new_value);
 int tipc_media_set_window(const char *name, u32 new_value);
diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index 0c00422512fa..a5291314a210 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -118,6 +118,11 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
 		.doit	= tipc_nl_bearer_get,
 		.dumpit	= tipc_nl_bearer_dump,
 		.policy = tipc_nl_policy,
+	},
+	{
+		.cmd	= TIPC_NL_BEARER_SET,
+		.doit	= tipc_nl_bearer_set,
+		.policy = tipc_nl_policy,
 	}
 };