1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * Copyright (c) 1997-1998 by Sun Microsystems, Inc. 3*7c478bd9Sstevel@tonic-gate * All rights reserved. 4*7c478bd9Sstevel@tonic-gate */ 5*7c478bd9Sstevel@tonic-gate 6*7c478bd9Sstevel@tonic-gate /* 7*7c478bd9Sstevel@tonic-gate * Copyright (c) 1982, 1986 Regents of the University of California. 8*7c478bd9Sstevel@tonic-gate * All rights reserved. The Berkeley software License Agreement 9*7c478bd9Sstevel@tonic-gate * specifies the terms and conditions for redistribution. 10*7c478bd9Sstevel@tonic-gate */ 11*7c478bd9Sstevel@tonic-gate 12*7c478bd9Sstevel@tonic-gate /* 13*7c478bd9Sstevel@tonic-gate * TCP FSM state definitions. 14*7c478bd9Sstevel@tonic-gate * Per RFC793, September, 1981. 15*7c478bd9Sstevel@tonic-gate */ 16*7c478bd9Sstevel@tonic-gate 17*7c478bd9Sstevel@tonic-gate #ifndef _NETINET_TCP_FSM_H 18*7c478bd9Sstevel@tonic-gate #define _NETINET_TCP_FSM_H 19*7c478bd9Sstevel@tonic-gate 20*7c478bd9Sstevel@tonic-gate /* tcp_fsm.h 1.7 88/08/19 SMI; from UCB 7.1 6/5/86 */ 21*7c478bd9Sstevel@tonic-gate 22*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 23*7c478bd9Sstevel@tonic-gate extern "C" { 24*7c478bd9Sstevel@tonic-gate #endif 25*7c478bd9Sstevel@tonic-gate 26*7c478bd9Sstevel@tonic-gate #define TCP_NSTATES 11 27*7c478bd9Sstevel@tonic-gate 28*7c478bd9Sstevel@tonic-gate #define TCPS_CLOSED 0 /* closed */ 29*7c478bd9Sstevel@tonic-gate #define TCPS_LISTEN 1 /* listening for connection */ 30*7c478bd9Sstevel@tonic-gate #define TCPS_SYN_SENT 2 /* active, have sent syn */ 31*7c478bd9Sstevel@tonic-gate #define TCPS_SYN_RECEIVED 3 /* have send and received syn */ 32*7c478bd9Sstevel@tonic-gate /* states < TCPS_ESTABLISHED are those where connections not established */ 33*7c478bd9Sstevel@tonic-gate #define TCPS_ESTABLISHED 4 /* established */ 34*7c478bd9Sstevel@tonic-gate #define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ 35*7c478bd9Sstevel@tonic-gate /* states > TCPS_CLOSE_WAIT are those where user has closed */ 36*7c478bd9Sstevel@tonic-gate #define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ 37*7c478bd9Sstevel@tonic-gate #define TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ 38*7c478bd9Sstevel@tonic-gate #define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ 39*7c478bd9Sstevel@tonic-gate /* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */ 40*7c478bd9Sstevel@tonic-gate #define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ 41*7c478bd9Sstevel@tonic-gate #define TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate #define TCPS_HAVERCVDSYN(s) ((s) >= TCPS_SYN_RECEIVED) 44*7c478bd9Sstevel@tonic-gate #define TCPS_HAVERCVDFIN(s) ((s) >= TCPS_TIME_WAIT) 45*7c478bd9Sstevel@tonic-gate 46*7c478bd9Sstevel@tonic-gate #ifdef TCPOUTFLAGS 47*7c478bd9Sstevel@tonic-gate /* 48*7c478bd9Sstevel@tonic-gate * Flags used when sending segments in tcp_output. 49*7c478bd9Sstevel@tonic-gate * Basic flags (TH_RST,TH_ACK,TH_SYN,TH_FIN) are totally 50*7c478bd9Sstevel@tonic-gate * determined by state, with the proviso that TH_FIN is sent only 51*7c478bd9Sstevel@tonic-gate * if all data queued for output is included in the segment. 52*7c478bd9Sstevel@tonic-gate */ 53*7c478bd9Sstevel@tonic-gate uchar_t tcp_outflags[TCP_NSTATES] = { 54*7c478bd9Sstevel@tonic-gate TH_RST|TH_ACK, 0, TH_SYN, TH_SYN|TH_ACK, 55*7c478bd9Sstevel@tonic-gate TH_ACK, TH_ACK, 56*7c478bd9Sstevel@tonic-gate TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_ACK, TH_ACK, 57*7c478bd9Sstevel@tonic-gate }; 58*7c478bd9Sstevel@tonic-gate #endif 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate #ifdef KPROF 61*7c478bd9Sstevel@tonic-gate int tcp_acounts[TCP_NSTATES][PRU_NREQ]; 62*7c478bd9Sstevel@tonic-gate #endif 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate #ifdef TCPSTATES 65*7c478bd9Sstevel@tonic-gate char *tcpstates[] = { 66*7c478bd9Sstevel@tonic-gate "CLOSED", "LISTEN", "SYN_SENT", "SYN_RCVD", 67*7c478bd9Sstevel@tonic-gate "ESTABLISHED", "CLOSE_WAIT", "FIN_WAIT_1", "CLOSING", 68*7c478bd9Sstevel@tonic-gate "LAST_ACK", "FIN_WAIT_2", "TIME_WAIT", 69*7c478bd9Sstevel@tonic-gate }; 70*7c478bd9Sstevel@tonic-gate #endif 71*7c478bd9Sstevel@tonic-gate 72*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 73*7c478bd9Sstevel@tonic-gate } 74*7c478bd9Sstevel@tonic-gate #endif 75*7c478bd9Sstevel@tonic-gate 76*7c478bd9Sstevel@tonic-gate #endif /* _NETINET_TCP_FSM_H */ 77