From da2ec1b89eeccdbc38a1110507624f96fc8c31ef Mon Sep 17 00:00:00 2001
From: Martine Lenders <mlenders@inf.fu-berlin.de>
Date: Wed, 1 Apr 2015 17:29:07 +0200
Subject: [PATCH] ng_icmpv6_error: add preliminary header
---
sys/include/net/ng_icmpv6.h | 1 +
sys/include/net/ng_icmpv6/error.h | 156 ++++++++++++++++++++++++++++++
2 files changed, 157 insertions(+)
create mode 100644 sys/include/net/ng_icmpv6/error.h
diff --git a/sys/include/net/ng_icmpv6.h b/sys/include/net/ng_icmpv6.h
index f492103631..daec59a27d 100644
--- a/sys/include/net/ng_icmpv6.h
+++ b/sys/include/net/ng_icmpv6.h
@@ -34,6 +34,7 @@
#include "net/ng_nettype.h"
#include "net/ng_pkt.h"
+#include "net/ng_icmpv6/error.h"
#include "net/ng_icmpv6/types.h"
#ifdef __cplusplus
diff --git a/sys/include/net/ng_icmpv6/error.h b/sys/include/net/ng_icmpv6/error.h
new file mode 100644
index 0000000000..dd4f0a2712
--- /dev/null
+++ b/sys/include/net/ng_icmpv6/error.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @defgroup net_ng_icmpv6_error ICMPv6 error messages
+ * @ingroup net_ng_icmpv6
+ * @brief ICMPv6 error message handling and creation
+ * @{
+ *
+ * @file
+ * @brief ICMPv6 error message definitions
+ *
+ * @author Martine Lenders <mlenders@inf.fu-berlin.de>
+ */
+#ifndef NG_ICMPV6_ERROR_H_
+#define NG_ICMPV6_ERROR_H_
+
+#include <inttypes.h>
+
+#include "byteorder.h"
+#include "kernel_types.h"
+#include "net/ng_icmpv6/types.h"
+#include "net/ng_ipv6/hdr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @{
+ * @name Codes for destination unreachable messages
+ *
+ * @see <a href="https://tools.ietf.org/html/rfc4443#section-3.1">
+ * RFC 4443, section 3.1
+ * </a>
+ */
+#define NG_ICMPV6_ERROR_DEST_UNR_NO_ROUTE (0) /**< no route to destination */
+#define NG_ICMPV6_ERROR_DEST_UNR_PROHIB (1) /**< communictation with
+ * destination administratively
+ * prohibited */
+#define NG_ICMPV6_ERROR_DEST_UNR_SCOPE (2) /**< beyond scope of source address */
+#define NG_ICMPV6_ERROR_DEST_UNR_ADDR (3) /**< address unreachable */
+#define NG_ICMPV6_ERROR_DEST_UNR_PORT (4) /**< port unreachable */
+#define NG_ICMPV6_ERROR_DEST_UNR_POLICY (5) /**< source address failed ingress/egress
+ * policy */
+#define NG_ICMPV6_ERROR_DEST_UNR_REJECT (6) /**< reject route to destination */
+/**
+ * @}
+ */
+
+/**
+ * @{
+ * @name Codes for time exceeded messages
+ *
+ * @see <a href="https://tools.ietf.org/html/rfc4443#section-3.3">
+ * RFC 4443, section 3.3
+ * </a>
+ */
+#define NG_ICMPV6_ERROR_TIME_EXC_HL (0) /**< hop limit exceeded in transit */
+#define NG_ICMPV6_ERROR_TIME_EXC_FRAG (1) /**< fragment reassembly time exceeded */
+/**
+ * @}
+ */
+
+/**
+ * @{
+ * @name Codes for parameter problem messages
+ *
+ * @see <a href="https://tools.ietf.org/html/rfc4443#section-3.4">
+ * RFC 4443, section 3.4
+ * </a>
+ */
+#define NG_ICMPV6_ERROR_PARAM_PROB_HDR_FIELD (0) /**< errorneous header field
+ * encountered */
+#define NG_ICMPV6_ERROR_PARAM_PROB_NH (1) /**< unrecognized next header
+ * field encountered */
+#define NG_ICMPV6_ERROR_PARAM_PROB_OPT (2) /**< unrecognized IPv6 option
+ * field encountered */
+/**
+ * @}
+ */
+
+/**
+ * @brief Destination unreachable message format.
+ * @extends ng_icmpv6_hdr_t
+ *
+ * @see <a href="https://tools.ietf.org/html/rfc4443#section-3.1">
+ * RFC 4443, section 3.1
+ * </a>
+ */
+typedef struct __attribute__((packed)) {
+ uint8_t type; /**< message type */
+ uint8_t code; /**< message code */
+ network_uint16_t csum; /**< checksum */
+ network_uint32_t unused; /**< unused field */
+} ng_icmpv6_error_dst_unr_t;
+
+/**
+ * @brief Packet too big message format.
+ * @extends ng_icmpv6_hdr_t
+ *
+ * @see <a href="https://tools.ietf.org/html/rfc4443#section-3.2">
+ * RFC 4443, section 3.2
+ * </a>
+ */
+typedef struct __attribute__((packed)) {
+ uint8_t type; /**< message type */
+ uint8_t code; /**< message code */
+ network_uint16_t csum; /**< checksum */
+ network_uint32_t mtu; /**< MTU */
+} ng_icmpv6_error_pkt_too_big_t;
+
+/**
+ * @brief Time exceeded message format.
+ * @extends ng_icmpv6_hdr_t
+ *
+ * @see <a href="https://tools.ietf.org/html/rfc4443#section-3.3">
+ * RFC 4443, section 3.3
+ * </a>
+ */
+typedef struct __attribute__((packed)) {
+ uint8_t type; /**< message type */
+ uint8_t code; /**< message code */
+ network_uint16_t csum; /**< checksum */
+ network_uint32_t unused; /**< unused field */
+} ng_icmpv6_error_time_exc_t;
+
+/**
+ * @brief Parameter problem message format.
+ * @extends ng_icmpv6_hdr_t
+ *
+ * @see <a href="https://tools.ietf.org/html/rfc4443#section-3.4">
+ * RFC 4443, section 3.3
+ * </a>
+ */
+typedef struct __attribute__((packed)) {
+ uint8_t type; /**< message type */
+ uint8_t code; /**< message code */
+ network_uint16_t csum; /**< checksum */
+ network_uint32_t ptr; /**< pointer */
+} ng_icmpv6_error_param_prob_t;
+
+/* TODO: implement build and handle functions */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NG_ICMPV6_ERROR_H_ */
+/** @} */
--
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