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Diffstat (limited to 'pfinet/linux-src/include/linux/tcp.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/tcp.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/tcp.h b/pfinet/linux-src/include/linux/tcp.h new file mode 100644 index 00000000..9ee71810 --- /dev/null +++ b/pfinet/linux-src/include/linux/tcp.h @@ -0,0 +1,90 @@ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Definitions for the TCP protocol. + * + * Version: @(#)tcp.h 1.0.2 04/28/93 + * + * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _LINUX_TCP_H +#define _LINUX_TCP_H + +#include <linux/types.h> +#include <asm/byteorder.h> + +struct tcphdr { + __u16 source; + __u16 dest; + __u32 seq; + __u32 ack_seq; +#if defined(__LITTLE_ENDIAN_BITFIELD) + __u16 res1:4, + doff:4, + fin:1, + syn:1, + rst:1, + psh:1, + ack:1, + urg:1, + res2:2; +#elif defined(__BIG_ENDIAN_BITFIELD) + __u16 doff:4, + res1:4, + res2:2, + urg:1, + ack:1, + psh:1, + rst:1, + syn:1, + fin:1; +#else +#error "Adjust your <asm/byteorder.h> defines" +#endif + __u16 window; + __u16 check; + __u16 urg_ptr; +}; + + +enum { + TCP_ESTABLISHED = 1, + TCP_SYN_SENT, + TCP_SYN_RECV, + TCP_FIN_WAIT1, + TCP_FIN_WAIT2, + TCP_TIME_WAIT, + TCP_CLOSE, + TCP_CLOSE_WAIT, + TCP_LAST_ACK, + TCP_LISTEN, + TCP_CLOSING, /* now a valid state */ + + TCP_MAX_STATES /* Leave at the end! */ +}; + +#define TCP_STATE_MASK 0xF +#define TCP_ACTION_FIN (1 << 7) + +enum { + TCPF_ESTABLISHED = (1 << 1), + TCPF_SYN_SENT = (1 << 2), + TCPF_SYN_RECV = (1 << 3), + TCPF_FIN_WAIT1 = (1 << 4), + TCPF_FIN_WAIT2 = (1 << 5), + TCPF_TIME_WAIT = (1 << 6), + TCPF_CLOSE = (1 << 7), + TCPF_CLOSE_WAIT = (1 << 8), + TCPF_LAST_ACK = (1 << 9), + TCPF_LISTEN = (1 << 10), + TCPF_CLOSING = (1 << 11) +}; + +#endif /* _LINUX_TCP_H */ |