* @author David Brodski
*/
+#ifndef PLUGIN_TRANSPORT_WLAN
+#define PLUGIN_TRANSPORT_WLAN
+
#include "gnunet_common.h"
typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
/* Wlan IEEE80211 header default */
-static const uint8_t u8aIeeeHeader[] = {
- 0x08, 0x01, 0x00, 0x00,
- 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
- 0x13, 0x22, 0x33, 0x44, 0x55, 0x66,
- 0x13, 0x22, 0x33, 0x44, 0x55, 0x66,
- 0x10, 0x86,
-};
+//Informations (in German) http://www.umtslink.at/content/WLAN_macheader-196.html
+static const uint8_t u8aIeeeHeader[] =
+ {
+ 0x08, 0x01, // Frame Control 0x08= 00001000 -> | b1,2 = 0 -> Version 0;
+ // b3,4 = 10 -> Data; b5-8 = 0 -> Normal Data
+ // 0x01 = 00000001 -> | b1 = 1 to DS; b2 = 0 not from DS;
+ 0x00, 0x00, // Duration/ID
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // mac1 - in this case receiver
+ 0x13, 0x22, 0x33, 0x44, 0x55, 0x66, // mac2 - in this case bssid
+ 0x13, 0x22, 0x33, 0x44, 0x55, 0x66, // mac3 - in this case sender
+ 0x10, 0x86, //Sequence Control
+ };
+
+// gnunet bssid
+static const char macbc[] =
+ { 0x13, 0x22, 0x33, 0x44, 0x55, 0x66 };
+
+// broadcast mac
+static const char bc_all_mac[] =
+ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
/**
* Wlan header
struct IeeeHeader
{
- /**
- * Wlan flags
- */
- uint8_t flags[4] GNUNET_PACKED;
-
- /**
- * first mac
- */
- uint8_t mac1[6] GNUNET_PACKED;
-
- /**
- * second mac
- */
- uint8_t mac2[6] GNUNET_PACKED;
-
- /**
- * third mac
- */
- uint8_t mac3[6] GNUNET_PACKED;
-
- /**
- * Wlan flags2
- */
- uint8_t flags2[2] GNUNET_PACKED;
+ /**
+ * Wlan flags
+ */
+ uint16_t frame_control GNUNET_PACKED;
+
+ /**
+ * Duration / ID
+ */
+
+ uint16_t duration_id GNUNET_PACKED;
+
+ /**
+ * first mac byte 1
+ */
+ uint8_t mac1[6];
+
+
+ /**
+ * second mac
+ */
+ uint8_t mac2[6];
+
+ /**
+ * third mac
+ */
+ uint8_t mac3[6];
+
+ /**
+ * Wlan Sequence Control
+ */
+ uint16_t sequence_control GNUNET_PACKED;
};
/* this is the template radiotap header we send packets out with */
-static const uint8_t u8aRadiotapHeader[] = {
-
- 0x00, 0x00, // <-- radiotap version
- 0x19, 0x00, // <- radiotap header length
- 0x6f, 0x08, 0x00, 0x00, // <-- bitmap
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // <-- timestamp
- 0x00, // <-- flags (Offset +0x10)
- 0x6c, // <-- rate (0ffset +0x11)
- 0x71, 0x09, 0xc0, 0x00, // <-- channel
- 0xde, // <-- antsignal
- 0x00, // <-- antnoise
- 0x01, // <-- antenna
-
+static const uint8_t u8aRadiotapHeader[] =
+ {
+ 0x00, 0x00, // <-- radiotap version
+ 0x19, 0x00, // <- radiotap header length
+ 0x6f, 0x08, 0x00, 0x00, // <-- bitmap
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // <-- timestamp
+ 0x00, // <-- flags (Offset +0x10)
+ 0x6c, // <-- rate (0ffset +0x11)
+ 0x71, 0x09, 0xc0, 0x00, // <-- channel
+ 0xde, // <-- antsignal
+ 0x00, // <-- antnoise
+ 0x01, // <-- antenna
};
/**
* Radiotap Header
*/
-
struct RadiotapHeader
{
- /**
- * radiotap version
- */
- uint8_t version[2] GNUNET_PACKED;
-
- /**
- * radiotap header length
- */
- uint8_t lenght[2] GNUNET_PACKED;
-
- /**
- * bitmap
- */
- uint8_t bitmap[4] GNUNET_PACKED;
-
- /**
- * timestamp
- */
- uint8_t timestamp[8] GNUNET_PACKED;
-
- /**
- * radiotap flags
- */
- uint8_t flags GNUNET_PACKED;
-
- /**
- * wlan send rate
- */
- uint8_t rate GNUNET_PACKED;
-
- /**
- * Wlan channel
- */
- uint8_t channel[4] GNUNET_PACKED;
-
- /**
- * antsignal
- */
- uint8_t antsignal GNUNET_PACKED;
-
- /**
- * antnoise
- */
- uint8_t antnoise GNUNET_PACKED;
-
- /**
- * antenna
- */
- uint8_t antenna GNUNET_PACKED;
+ /**
+ * radiotap version
+ */
+ uint16_t version GNUNET_PACKED;
+
+ /**
+ * radiotap header length
+ */
+ uint16_t length GNUNET_PACKED;
+
+ /**
+ * bitmap
+ */
+ uint32_t bitmap GNUNET_PACKED;
+
+ /**
+ * timestamp
+ */
+ uint64_t timestamp GNUNET_PACKED;
+
+ /**
+ * radiotap flags
+ */
+ uint8_t flags;
+
+ /**
+ * wlan send rate
+ */
+ uint8_t rate;
+
+ // FIXME: unaligned here, is this OK?
+ /**
+ * Wlan channel
+ */
+ uint32_t channel GNUNET_PACKED;
+
+ /**
+ * antsignal
+ */
+ uint8_t antsignal;
+
+ /**
+ * antnoise
+ */
+ uint8_t antnoise;
+
+ /**
+ * antenna
+ */
+ uint8_t antenna;
};
+#endif