ipsec: return error if the engine backend has no handler for the

requested alogrithm.

Type: feature

Change-Id: I19a9c14b2bb52ba2fc66246845b7ada73d5095d1
Signed-off-by: Neale Ranns <nranns@cisco.com>

2 files changed, 9 insertions, 0 deletions

diff --git a/src/vnet/crypto/crypto.c b/src/vnet/crypto/crypto.c
index bad3970f419..4da8a14a14b 100644
--- a/src/vnet/crypto/crypto.c
+++ b/src/vnet/crypto/crypto.c
@@ -129,6 +129,14 @@ vnet_crypto_set_handler (char *alg_name, char *engine)
   return 0;
 }
 
+int
+vnet_crypto_is_set_handler (vnet_crypto_alg_t alg)
+{
+  vnet_crypto_main_t *cm = &crypto_main;
+
+  return (NULL != cm->ops_handlers[alg]);
+}
+
 void
 vnet_crypto_register_ops_handler (vlib_main_t * vm, u32 engine_index,
 				  vnet_crypto_op_id_t opt,
diff --git a/src/vnet/crypto/crypto.h b/src/vnet/crypto/crypto.h
index 89af8535c52..9c15d53a6c1 100644
--- a/src/vnet/crypto/crypto.h
+++ b/src/vnet/crypto/crypto.h
@@ -205,6 +205,7 @@ u32 vnet_crypto_process_ops (vlib_main_t * vm, vnet_crypto_op_t ops[],
 			     u32 n_ops);
 
 int vnet_crypto_set_handler (char *ops_handler_name, char *engine);
+int vnet_crypto_is_set_handler (vnet_crypto_alg_t alg);
 
 u32 vnet_crypto_key_add (vlib_main_t * vm, vnet_crypto_alg_t alg,
 			 u8 * data, u16 length);