IPSEC: Pass the algorithm salt (used in GCM) over the API

Change-Id: Ia8cea13f7b937294e6a080a55fb2ceff30063acf
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py
index 260e6b2..62175e2 100644
--- a/test/vpp_papi_provider.py
+++ b/test/vpp_papi_provider.py
@@ -2357,6 +2357,7 @@
                                 tunnel_src_address='',
                                 tunnel_dst_address='',
                                 flags=0,
+                                salt=0,
                                 is_add=1):
         """ IPSEC SA add/del
         :param sad_id: security association ID
@@ -2395,6 +2396,7 @@
                             'data': crypto_key,
                         },
                         'flags': flags,
+                        'salt': salt,
                     }
             })
 
@@ -2472,7 +2474,7 @@
     def ipsec_tunnel_if_add_del(self, local_ip, remote_ip, local_spi,
                                 remote_spi, crypto_alg, local_crypto_key,
                                 remote_crypto_key, integ_alg, local_integ_key,
-                                remote_integ_key, is_add=1, esn=0,
+                                remote_integ_key, is_add=1, esn=0, salt=0,
                                 anti_replay=1, renumber=0, show_instance=0):
         return self.api(
             self.papi.ipsec_tunnel_if_add_del,
@@ -2495,7 +2497,8 @@
                 'esn': esn,
                 'anti_replay': anti_replay,
                 'renumber': renumber,
-                'show_instance': show_instance
+                'show_instance': show_instance,
+                'salt': salt
             })
 
     def ipsec_gre_tunnel_add_del(self, local_ip, remote_ip,