Initial revision

src/include/tcp.h

@@ -0,0 +1,35 @@
+#ifndef	_TCP_H
+#define	_TCP_H
+
+#define TCP_INITIAL_TIMEOUT     (3*TICKS_PER_SEC)
+#define TCP_MAX_TIMEOUT         (60*TICKS_PER_SEC)
+#define TCP_MIN_TIMEOUT         (TICKS_PER_SEC)
+#define TCP_MAX_RETRY           10
+#define TCP_MAX_HEADER          ((int)sizeof(struct iphdr)+64)
+#define TCP_MIN_WINDOW          (1500-TCP_MAX_HEADER)
+#define TCP_MAX_WINDOW          (65535-TCP_MAX_HEADER)
+
+
+#define MAX_URL                 80
+
+
+#define FIN             1
+#define SYN             2
+#define RST             4
+#define PSH             8
+#define ACK             16
+#define URG             32
+
+
+struct tcphdr {
+       uint16_t src;
+       uint16_t dst;
+       int32_t  seq;
+       int32_t  ack;
+       uint16_t ctrl;
+       uint16_t window;
+       uint16_t chksum;
+       uint16_t urgent;
+};
+
+#endif	/* _TCP_H */