1*5074Swnj /* tcp_fsm.h 4.8 81/11/25 */ 24725Swnj 34725Swnj /* 44924Swnj * TCP FSM state definitions. 55065Swnj * Per RFC793, September, 1981. 64725Swnj */ 74725Swnj 85065Swnj #define TCP_NSTATES 11 94725Swnj 105065Swnj #define TCPS_CLOSED 0 /* closed */ 115065Swnj #define TCPS_LISTEN 1 /* listening for connection */ 125065Swnj #define TCPS_SYN_SENT 2 /* active, have sent syn */ 135065Swnj #define TCPS_SYN_RCVD 3 /* have send and received syn */ 14*5074Swnj /* states < TCPS_ESTABLISHED are those where connections not established */ 155065Swnj #define TCPS_ESTABLISHED 4 /* established */ 16*5074Swnj #define TCPS_CLOSE_WAIT 8 /* rcvd fin, waiting for close */ 17*5074Swnj /* states > TCPS_CLOSE_WAIT are those where user has closed */ 185065Swnj #define TCPS_FIN_WAIT_1 5 /* have closed, sent fin */ 195065Swnj #define TCPS_FIN_WAIT_2 6 /* have closed, fin is acked */ 205065Swnj #define TCPS_TIME_WAIT 7 /* in 2*msl quiet wait after close */ 215065Swnj #define TCPS_CLOSING 9 /* closed xchd FIN; await FIN ACK */ 225065Swnj #define TCPS_LAST_ACK 10 /* had fin and close; await FIN ACK */ 234725Swnj 245065Swnj #define TCPS_HAVERCVDSYN(s) ((s) >= TCPS_SYN_RCVD) 255065Swnj #define TCPS_HAVERCVDFIN(s) ((s) >= TCPS_TIME_WAIT) 265065Swnj 274730Swnj #ifdef KPROF 284899Swnj int tcp_acounts[TCP_NSTATES][PRU_NREQ]; 294725Swnj #endif 304725Swnj 314725Swnj #ifdef TCPSTATES 324725Swnj char *tcpstates[] = { 335065Swnj "CLOSED", "LISTEN", "SYN_SENT", "SYN_RCVD", 345065Swnj "ESTABLISHED", "FIN_WAIT1", "FIN_WAIT2", "TIME_WAIT", 355065Swnj "CLOSE_WAIT", "CLOSING", "LAST_ACK", 364725Swnj }; 374725Swnj #endif 38