From 43644930511241f6cdff0f6fb66eb3a5302fdaa2 Mon Sep 17 00:00:00 2001
From: Martine Lenders <mlenders@inf.fu-berlin.de>
Date: Wed, 11 Mar 2015 18:26:07 +0100
Subject: [PATCH] ng_ethernet: intial import
---
sys/include/net/ng_ethernet.h | 56 +++++++++++++++++++++++++++++++
sys/include/net/ng_ethernet/hdr.h | 49 +++++++++++++++++++++++++++
sys/include/net/ng_ethertype.h | 9 ++---
3 files changed, 110 insertions(+), 4 deletions(-)
create mode 100644 sys/include/net/ng_ethernet.h
create mode 100644 sys/include/net/ng_ethernet/hdr.h
diff --git a/sys/include/net/ng_ethernet.h b/sys/include/net/ng_ethernet.h
new file mode 100644
index 0000000000..7cef7730bc
--- /dev/null
+++ b/sys/include/net/ng_ethernet.h
@@ -0,0 +1,56 @@
+/*
+ * 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_ethernet Ethernet
+ * @ingroup net
+ * @brief Ethernet implementation
+ * @{
+ *
+ * @file
+ * @brief Definitions for Ethernet
+ *
+ * @author Martine Lenders <mlenders@inf.fu-berlin.de>
+ */
+
+
+#ifndef NG_ETHERNET_H_
+#define NG_ETHERNET_H_
+
+#include "net/ng_ethernet/hdr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NG_ETHERNET_DATA_LEN (1500) /**< maximum number of bytes in payload */
+#define NG_ETHERNET_FCS_LEN (4) /**< number of bytes in the FCS
+ * (frame check sequence) */
+
+/**
+ * @brief maximum number of bytes in an ethernet frame (without FCS)
+ */
+#define NG_ETHERNET_FRAME_LEN (NG_ETHERNET_DATA_LEN + \
+ sizeof(ng_ethernet_hdr_t))
+#define NG_ETHERNET_MIN_LEN (64) /**< minimum number of bytes in an
+ * ethernet frame (with FCF) */
+
+/**
+ * @brief maximum number of bytes in an ethernet frame (with FCF)
+ */
+#define NG_ETHERNET_MAX_LEN (NG_ETHERNET_FRAME_LEN + \
+ NG_ETHERNET_FCS_LEN)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NG_ETHERNET_H_ */
+/**
+ * @}
+ */
diff --git a/sys/include/net/ng_ethernet/hdr.h b/sys/include/net/ng_ethernet/hdr.h
new file mode 100644
index 0000000000..9b8d36051d
--- /dev/null
+++ b/sys/include/net/ng_ethernet/hdr.h
@@ -0,0 +1,49 @@
+/*
+ * 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_ethernet_hdr Ethernet header
+ * @ingroup net_ng_ethernet
+ * @brief Ethernet header
+ * @{
+ *
+ * @file
+ * @brief Ethernet header definitions
+ *
+ * @author Martine Lenders <mlenders@inf.fu-berlin.de>
+ */
+
+
+#ifndef NG_ETHERNET_HDR_H_
+#define NG_ETHERNET_HDR_H_
+
+#include <inttypes.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NG_ETHERNET_ADDR_LEN (6) /**< Length of an Ethernet address */
+
+/**
+ * @brief Ethernet header
+ */
+typedef struct __attribute__((packed)) {
+ uint8_t dst[NG_ETHERNET_ADDR_LEN]; /**< destination address */
+ uint8_t src[NG_ETHERNET_ADDR_LEN]; /**< source address */
+ uint16_t type; /**< ether type (see @ref net_ng_ethertype) */
+} ng_ethernet_hdr_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NG_ETHERNET_HDR_H_ */
+/**
+ * @}
+ */
diff --git a/sys/include/net/ng_ethertype.h b/sys/include/net/ng_ethertype.h
index 7d921df429..e46405e1ea 100644
--- a/sys/include/net/ng_ethertype.h
+++ b/sys/include/net/ng_ethertype.h
@@ -7,7 +7,7 @@
*/
/**
- * @defgroup net_ng_ethertype
+ * @defgroup net_ng_ethertype Ether types
* @ingroup net
* @brief Ether types
* @see <a href="http://www.iana.org/assignments/ieee-802-numbers/ieee-802-numbers.xhtml#ieee-802-numbers-1">
@@ -31,9 +31,10 @@ extern "C" {
#endif
/* expand at will ;-) */
-#define NG_ETHERTYPE_IPV4 (0x0800) /* Internet protocol version 4 */
-#define NG_ETHERTYPE_ARP (0x0806) /* Address resolution protocol */
-#define NG_ETHERTYPE_IPV6 (0x86dd) /* Internet protocol version 6 */
+#define NG_ETHERTYPE_RESERVED (0x0000) /**< Reserved */
+#define NG_ETHERTYPE_IPV4 (0x0800) /**< Internet protocol version 4 */
+#define NG_ETHERTYPE_ARP (0x0806) /**< Address resolution protocol */
+#define NG_ETHERTYPE_IPV6 (0x86dd) /**< Internet protocol version 6 */
#ifdef __cplusplus
}
--
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