Tools: hv: Gather address family information

Now, gather address family information for the specified interface.
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

tools/hv/hv_kvp_daemon.c

@@ -589,6 +589,17 @@ kvp_get_ip_address(int family, char *if_name, int op,
 			continue;
 		}
 
+		if (op == KVP_OP_GET_IP_INFO) {
+			/*
+			 * Gather info other than the IP address.
+			 * IP address info will be gathered later.
+			 */
+			if (curp->ifa_addr->sa_family == AF_INET)
+				ip_buffer->addr_family |= ADDR_FAMILY_IPV4;
+			else
+				ip_buffer->addr_family |= ADDR_FAMILY_IPV6;
+		}
+
 		error = kvp_process_ip_address(curp->ifa_addr,
 						curp->ifa_addr->sa_family,
 						buffer,