Add helper include file with IPSec headers

Signed-off-by: Robbie King <robking@cisco.com>
Tested-by: Alexandru Badicioiu <alexandru.badicioiu@linaro.org>
Reviewed-and Tested-by: Taras Kondratiuk <taras.kondratiuk@linaro.org>
Reviewed-by: Bala Manoharan <bala.manoharan@linaro.org>
Reviewed-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/helper/include/odph_ipsec.h b/helper/include/odph_ipsec.h
new file mode 100644
index 0000000..f547b90
--- /dev/null
+++ b/helper/include/odph_ipsec.h
@@ -0,0 +1,73 @@
+/* Copyright (c) 2014, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ */
+
+
+/**
+ * @file
+ *
+ * ODP IPSec headers
+ */
+
+#ifndef ODPH_IPSEC_H_
+#define ODPH_IPSEC_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <odp_std_types.h>
+#include <odp_byteorder.h>
+#include <odp_align.h>
+#include <odp_debug.h>
+
+#define ODPH_ESPHDR_LEN      8    /**< IPSec ESP header length */
+#define ODPH_ESPTRL_LEN      2    /**< IPSec ESP trailer length */
+#define ODPH_AHHDR_LEN      12    /**< IPSec AH header length */
+
+/**
+ * IPSec ESP header
+ */
+typedef struct ODPH_PACKED {
+	uint32be_t spi;      /**< Security Parameter Index */
+	uint32be_t seq_no;   /**< Sequence Number */
+	uint8_t    iv[0];    /**< Initialization vector */
+} odph_esphdr_t;
+
+/** @internal Compile time assert */
+ODP_STATIC_ASSERT(sizeof(odph_esphdr_t) == ODPH_ESPHDR_LEN, "ODPH_ESPHDR_T__SIZE_ERROR");
+
+/**
+ * IPSec ESP trailer
+ */
+typedef struct ODPH_PACKED {
+	uint8_t pad_len;      /**< Padding length (0-255) */
+	uint8_t next_header;  /**< Next header protocol */
+	uint8_t icv[0];       /**< Integrity Check Value (optional) */
+} odph_esptrl_t;
+
+/** @internal Compile time assert */
+ODP_STATIC_ASSERT(sizeof(odph_esptrl_t) == ODPH_ESPTRL_LEN, "ODPH_ESPTRL_T__SIZE_ERROR");
+
+/**
+ * IPSec AH header
+ */
+typedef struct ODPH_PACKED {
+	uint8_t    next_header;  /**< Next header protocol */
+	uint8_t    ah_len;       /**< AH header length */
+	uint16be_t pad;          /**< Padding (must be 0) */
+	uint32be_t spi;          /**< Security Parameter Index */
+	uint32be_t seq_no;       /**< Sequence Number */
+	uint8_t    icv[0];       /**< Integrity Check Value */
+} odph_ahhdr_t;
+
+/** @internal Compile time assert */
+ODP_STATIC_ASSERT(sizeof(odph_ahhdr_t) == ODPH_AHHDR_LEN, "ODPH_AHHDR_T__SIZE_ERROR");
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif