Fix javadoc warnings

Change-Id: I3de24a04593f47c786f698f5ee1669b3d2f2fdfc
diff --git a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/DefaultIpLink.java b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/DefaultIpLink.java
index 41f0604..4767074 100644
--- a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/DefaultIpLink.java
+++ b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/DefaultIpLink.java
@@ -36,6 +36,7 @@
     /**

      * Constructor to initialize its parameters.

      *

+     * @param providerId     provider identification

      * @param src            link source termination point

      * @param dst            link destination termination point

      * @param linkIdentifier provides link identifier details

diff --git a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/IpDeviceIdentifier.java b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/IpDeviceIdentifier.java
index 472fe00..7be13ad 100644
--- a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/IpDeviceIdentifier.java
+++ b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/IpDeviceIdentifier.java
@@ -34,6 +34,7 @@
     /**

      * Constructor to initialize parameters.

      *

+     * @param routeDish routing distinguisher instance

      * @param routeInstance routing protocol instance

      * @param asNum AS number

      * @param domainIdentifier BGP-LS domain

diff --git a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/RouterId.java b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/RouterId.java
index 85714cb..3c77e9a 100644
--- a/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/RouterId.java
+++ b/apps/iptopology-api/src/main/java/org/onosproject/iptopology/api/RouterId.java
@@ -29,7 +29,8 @@
     /**
      * Constructor to initialize its parameters.
      *
-     * @param routerId Router ID of designated router
+     * @param routerId  Router ID of designated router
+     * @param type      protocol type
      */
     public RouterId(int routerId, ProtocolType type) {
         this.routerId = routerId;