ikev2: make integ algo optional

[vpp.git] / src / plugins / ikev2 / ikev2.c

diff --git a/src/plugins/ikev2/ikev2.c b/src/plugins/ikev2/ikev2.c
index db68135..a9d7e56 100644 (file)
--- a/src/plugins/ikev2/ikev2.c
+++ b/src/plugins/ikev2/ikev2.c
@@ -2754,24 +2754,27 @@ ikev2_set_initiator_proposals (vlib_main_t * vm, ikev2_sa_t * sa,
       return r;
     }
 
-  /* Integrity */
-  error = 1;
-  vec_foreach (td, km->supported_transforms)
-  {
-    if (td->type == IKEV2_TRANSFORM_TYPE_INTEG
-       && td->integ_type == ts->integ_alg)
+  if (IKEV2_TRANSFORM_ENCR_TYPE_AES_GCM_16 != ts->crypto_alg)
+    {
+      /* Integrity */
+      error = 1;
+      vec_foreach (td, km->supported_transforms)
       {
-       vec_add1 (proposal->transforms, *td);
-       error = 0;
-       break;
+       if (td->type == IKEV2_TRANSFORM_TYPE_INTEG
+           && td->integ_type == ts->integ_alg)
+         {
+           vec_add1 (proposal->transforms, *td);
+           error = 0;
+           break;
+         }
       }
-  }
-  if (error)
-    {
-      ikev2_elog_error
-       ("Didn't find any supported algorithm for IKEV2_TRANSFORM_TYPE_INTEG");
-      r = clib_error_return (0, "Unsupported algorithm");
-      return r;
+      if (error)
+       {
+         ikev2_elog_error
+           ("Didn't find any supported algorithm for IKEV2_TRANSFORM_TYPE_INTEG");
+         r = clib_error_return (0, "Unsupported algorithm");
+         return r;
+       }
     }
 
   /* PRF */