2 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/crypto/crypto.h b/src/vnet/crypto/crypto.h
index 4c9467f272f..7b65aa5c43d 100644
--- a/src/vnet/crypto/crypto.h
+++ b/src/vnet/crypto/crypto.h
@@ -77,7 +77,7 @@ typedef struct
   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
   vnet_crypto_op_type_t op:16;
   vnet_crypto_op_status_t status:8;
-  u8 key_len;
+  u8 key_len, hmac_trunc_len;
   u16 flags;
 #define VNET_CRYPTO_OP_FLAG_INIT_IV 1
   u32 len;
diff --git a/src/vnet/ipsec/esp.h b/src/vnet/ipsec/esp.h
index 74ab1f05778..8e61d9d751d 100644
--- a/src/vnet/ipsec/esp.h
+++ b/src/vnet/ipsec/esp.h
@@ -219,6 +219,7 @@ hmac_calc (vlib_main_t * vm, ipsec_sa_t * sa, u8 * data, int data_len,
   op->src = data;
   op->len = data_len;
   op->dst = signature;
+  op->hmac_trunc_len = sa->integ_trunc_size;
 #if 0
 
   HMAC_Init_ex (ctx, key, key_len, md, NULL);