[ONOS-3391] create arp_spa selector to onos

Change-Id: I2508a3ca7acb95b9792f0b23e085074a5b030a3b

core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java

@@ -358,6 +358,11 @@ public final class DefaultTrafficSelector implements TrafficSelector {
             return add(Criteria.matchArpTpa(addr));
         }
 
+        @Override
+        public Builder matchArpSpa(Ip4Address addr) {
+            return add(Criteria.matchArpSpa(addr));
+        }
+
         @Override
         public Builder matchArpTha(MacAddress addr) {
             return add(Criteria.matchArpTha(addr));

core/api/src/main/java/org/onosproject/net/flow/TrafficSelector.java

@@ -394,6 +394,14 @@ public interface TrafficSelector {
          */
         Builder matchArpTpa(Ip4Address addr);
 
+        /**
+         * Matches a arp IPv4 source address.
+         *
+         * @param addr a arp IPv4 source address
+         * @return a selection builder
+         */
+        Builder matchArpSpa(Ip4Address addr);
+
         /**
          * Matches a arp_eth_dst address.
          *

core/api/src/main/java/org/onosproject/net/flow/criteria/Criteria.java

@@ -519,6 +519,16 @@ public final class Criteria {
         return new ArpPaCriterion(ip, Type.ARP_TPA);
     }
 
+    /**
+     * Creates a match on IPv4 source field using the specified value.
+     *
+     * @param ip ipv4 source value
+     * @return match criterion
+     */
+    public static Criterion matchArpSpa(Ip4Address ip) {
+        return new ArpPaCriterion(ip, Type.ARP_SPA);
+    }
+
     /**
      * Creates a match on MAC destination field using the specified value.
      *