Diff: ethernet.h

Revision:

0:31cd577d85a4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ethernet.h	Sat Jul 09 15:47:27 2011 +0000
@@ -0,0 +1,66 @@
+/*
+* Copyright or � or Copr. 2010, Thomas SOETE
+* 
+* Author e-mail: thomas@soete.org
+* Library website : http://mbed.org/users/Alkorin/libraries/SimpleLib/
+* 
+* This software is governed by the CeCILL license under French law and
+* abiding by the rules of distribution of free software.  You can  use, 
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info". 
+* 
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability. 
+* 
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or 
+* data to be ensured and,  more generally, to use and operate it in the 
+* same conditions as regards security. 
+* 
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*/
+
+#ifndef __SIMPLELIB_ETHERNET_H__
+#define __SIMPLELIB_ETHERNET_H__
+
+typedef __packed struct {
+    char destination[6];
+    char source[6];
+    uint16_t type;
+} ethernet_packet;
+#define asETH(x) ((ethernet_packet*)(x))
+
+#define IPV4_TYPE 0x0800
+#define ARP_TYPE  0x0806
+
+typedef __packed struct {
+    ethernet_packet eth;
+    __packed struct {
+        char hardware_type[2];
+        char protocol_type[2];
+        char hardware_size;
+        char protocol_size;
+        uint16_t opcode_request;
+        char sender_mac[6];
+        char sender_ip[4];
+        char target_mac[6];
+        char target_ip[4];
+    } arp;
+} arp_packet;
+#define asARP(x) ((arp_packet*)(x))
+
+#define ARP_REQUEST 0x0001
+#define ARP_REPLY   0x0002
+
+#endif
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