Kyle Lemons
This is a low-level network debugging utility that utilizes raw packet i/o to construct and deconstruct tcp, udp, ipv4, arp, and icmp packets over ethernet.
Diff: net/udp.h
- Revision:
- 0:d494b853ce97
- Child:
- 2:e8e09adc41fc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/net/udp.h Tue Oct 12 05:32:59 2010 +0000
@@ -0,0 +1,30 @@
+#ifndef UDP_H
+#define UDP_H
+
+#include "net.h"
+
+#define IPPROTO_UDP 0x11
+typedef struct {
+ u16 source_port;
+ u16 destination_port;
+ u16 length; // entire datagram in bytes
+ u16 checksum;
+ u8 data[];
+} UDP_Packet;
+
+inline void fix_endian_udp(UDP_Packet *segment)
+{
+ fix_endian_u16(&segment->source_port);
+ fix_endian_u16(&segment->destination_port);
+ fix_endian_u16(&segment->length);
+}
+
+inline void print_udp(UDP_Packet *segment)
+{
+ main_log.printf("UDP Packet:");
+ main_log.printf(" Source: PORT %d", segment->source_port);
+ main_log.printf(" Dest: PORT %d", segment->destination_port);
+ main_log.printf(" Length: %d", segment->length);
+}
+
+#endif
\ No newline at end of file