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Length: 1114 (0x45a)
Types: TextFile
Notes: UNIX file
Names: »tcp_seq.h«
└─⟦8c4f54e61⟧ Bits:30004068/disk2.imd Interactive TCP/IP v.1.2
└─⟦8c4f54e61⟧ UNIX Filesystem
└─⟦this⟧ »hb/new/usr/include/netinet/tcp_seq.h«
/* * Copyright (c) 1982, 1986 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)tcp_seq.h 2.1 - 89/04/21 */ #ifndef _h_TCP_SEQ #define _h_TCP_SEQ #ident "@(#)tcp_seq.h 2.1 - 89/04/21" /* * TCP sequence numbers are 32 bit integers operated * on with modular arithmetic. These macros can be * used to compare such integers. */ #define SEQ_LT(a,b) ((int)((a)-(b)) < 0) #define SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0) #define SEQ_GT(a,b) ((int)((a)-(b)) > 0) #define SEQ_GEQ(a,b) ((int)((a)-(b)) >= 0) /* * Macros to initialize tcp sequence numbers for * send and receive from initial send and receive * sequence numbers. */ #define tcp_rcvseqinit(tp) \ (tp)->rcv_adv = (tp)->rcv_nxt = (tp)->irs + 1 #define tcp_sendseqinit(tp) \ (tp)->snd_una = (tp)->snd_nxt = (tp)->snd_max = (tp)->snd_up = \ (tp)->iss #define TCP_ISSINCR (125*1024) /* increment for tcp_iss each second */ #ifdef KERNEL extern tcp_seq tcp_iss; /* tcp initial send seq # */ #endif #endif /* _h_TCP_SEQ */