| 1 | #ifndef _TCP_H
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| 2 | #define _TCP_H
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| 3 |
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| 4 | #define TCP_INITIAL_TIMEOUT (3*TICKS_PER_SEC)
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| 5 | #define TCP_MAX_TIMEOUT (60*TICKS_PER_SEC)
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| 6 | #define TCP_MIN_TIMEOUT (TICKS_PER_SEC)
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| 7 | #define TCP_MAX_RETRY 10
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| 8 | #define TCP_MAX_HEADER ((int)sizeof(struct iphdr)+64)
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| 9 | #define TCP_MIN_WINDOW (1500-TCP_MAX_HEADER)
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| 10 | #define TCP_MAX_WINDOW (65535-TCP_MAX_HEADER)
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| 11 |
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| 12 |
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| 13 | #define MAX_URL 80
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| 14 |
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| 15 |
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| 16 | #define FIN 1
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| 17 | #define SYN 2
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| 18 | #define RST 4
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| 19 | #define PSH 8
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| 20 | #define ACK 16
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| 21 | #define URG 32
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| 22 |
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| 23 |
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| 24 | struct tcphdr {
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| 25 | uint16_t src;
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| 26 | uint16_t dst;
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| 27 | int32_t seq;
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| 28 | int32_t ack;
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| 29 | uint16_t ctrl;
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| 30 | uint16_t window;
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| 31 | uint16_t chksum;
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| 32 | uint16_t urgent;
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| 33 | };
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| 34 |
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| 35 | #endif /* _TCP_H */
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