diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/include/old_tcp.h')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/include/old_tcp.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/include/old_tcp.h b/contrib/syslinux-4.02/gpxe/src/include/old_tcp.h new file mode 100644 index 0000000..93e1485 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/include/old_tcp.h @@ -0,0 +1,37 @@ +#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 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; +}; + +extern int tcp_transaction ( unsigned long destip, unsigned int destsock, + void *ptr, + int (*send)(int len, void *buf, void *ptr), + int (*recv)(int len, const void *buf, void *ptr)); + + +#endif /* _TCP_H */ |