| tcp_var.h (122922) | tcp_var.h (124258) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1993, 1994, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)tcp_var.h 8.4 (Berkeley) 5/24/95 | 1/* 2 * Copyright (c) 1982, 1986, 1993, 1994, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)tcp_var.h 8.4 (Berkeley) 5/24/95 |
| 34 * $FreeBSD: head/sys/netinet/tcp_var.h 122922 2003-11-20 20:07:39Z andre $ | 34 * $FreeBSD: head/sys/netinet/tcp_var.h 124258 2004-01-08 17:40:07Z andre $ |
| 35 */ 36 37#ifndef _NETINET_TCP_VAR_H_ 38#define _NETINET_TCP_VAR_H_ 39 40#include <netinet/in_pcb.h> /* needed for in_conninfo, inp_gen_t */ 41#include <netinet/tcp.h> 42 --- 131 unchanged lines hidden (view full) --- 174 tcp_cc cc_send; /* send connection count */ 175 tcp_cc cc_recv; /* receive connection count */ 176/* experimental */ 177 u_long snd_cwnd_prev; /* cwnd prior to retransmit */ 178 u_long snd_ssthresh_prev; /* ssthresh prior to retransmit */ 179 tcp_seq snd_recover_prev; /* snd_recover prior to retransmit */ 180 u_long t_badrxtwin; /* window for retransmit recovery */ 181 u_char snd_limited; /* segments limited transmitted */ | 35 */ 36 37#ifndef _NETINET_TCP_VAR_H_ 38#define _NETINET_TCP_VAR_H_ 39 40#include <netinet/in_pcb.h> /* needed for in_conninfo, inp_gen_t */ 41#include <netinet/tcp.h> 42 --- 131 unchanged lines hidden (view full) --- 174 tcp_cc cc_send; /* send connection count */ 175 tcp_cc cc_recv; /* receive connection count */ 176/* experimental */ 177 u_long snd_cwnd_prev; /* cwnd prior to retransmit */ 178 u_long snd_ssthresh_prev; /* ssthresh prior to retransmit */ 179 tcp_seq snd_recover_prev; /* snd_recover prior to retransmit */ 180 u_long t_badrxtwin; /* window for retransmit recovery */ 181 u_char snd_limited; /* segments limited transmitted */ |
| 182/* anti DoS counters */ 183 u_long rcv_second; /* start of interval second */ 184 u_long rcv_pps; /* received packets per second */ 185 u_long rcv_byps; /* received bytes per second */ |
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| 182}; 183 184#define IN_FASTRECOVERY(tp) (tp->t_flags & TF_FASTRECOVERY) 185#define ENTER_FASTRECOVERY(tp) tp->t_flags |= TF_FASTRECOVERY 186#define EXIT_FASTRECOVERY(tp) tp->t_flags &= ~TF_FASTRECOVERY 187 188/* 189 * Structure to hold TCP options that are only used during segment --- 137 unchanged lines hidden (view full) --- 327 * but that's inconvenient at the moment. 328 */ 329struct tcpstat { 330 u_long tcps_connattempt; /* connections initiated */ 331 u_long tcps_accepts; /* connections accepted */ 332 u_long tcps_connects; /* connections established */ 333 u_long tcps_drops; /* connections dropped */ 334 u_long tcps_conndrops; /* embryonic connections dropped */ | 186}; 187 188#define IN_FASTRECOVERY(tp) (tp->t_flags & TF_FASTRECOVERY) 189#define ENTER_FASTRECOVERY(tp) tp->t_flags |= TF_FASTRECOVERY 190#define EXIT_FASTRECOVERY(tp) tp->t_flags &= ~TF_FASTRECOVERY 191 192/* 193 * Structure to hold TCP options that are only used during segment --- 137 unchanged lines hidden (view full) --- 331 * but that's inconvenient at the moment. 332 */ 333struct tcpstat { 334 u_long tcps_connattempt; /* connections initiated */ 335 u_long tcps_accepts; /* connections accepted */ 336 u_long tcps_connects; /* connections established */ 337 u_long tcps_drops; /* connections dropped */ 338 u_long tcps_conndrops; /* embryonic connections dropped */ |
| 339 u_long tcps_minmssdrops; /* average minmss too low drops */ |
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| 335 u_long tcps_closed; /* conn. closed (includes drops) */ 336 u_long tcps_segstimed; /* segs where we tried to get rtt */ 337 u_long tcps_rttupdated; /* times we succeeded */ 338 u_long tcps_delack; /* delayed acks sent */ 339 u_long tcps_timeoutdrop; /* conn. dropped in rxmt timeout */ 340 u_long tcps_rexmttimeo; /* retransmit timeouts */ 341 u_long tcps_persisttimeo; /* persist timeouts */ 342 u_long tcps_keeptimeo; /* keepalive timeouts */ --- 125 unchanged lines hidden (view full) --- 468#ifdef SYSCTL_DECL 469SYSCTL_DECL(_net_inet_tcp); 470#endif 471 472extern struct inpcbhead tcb; /* head of queue of active tcpcb's */ 473extern struct inpcbinfo tcbinfo; 474extern struct tcpstat tcpstat; /* tcp statistics */ 475extern int tcp_mssdflt; /* XXX */ | 340 u_long tcps_closed; /* conn. closed (includes drops) */ 341 u_long tcps_segstimed; /* segs where we tried to get rtt */ 342 u_long tcps_rttupdated; /* times we succeeded */ 343 u_long tcps_delack; /* delayed acks sent */ 344 u_long tcps_timeoutdrop; /* conn. dropped in rxmt timeout */ 345 u_long tcps_rexmttimeo; /* retransmit timeouts */ 346 u_long tcps_persisttimeo; /* persist timeouts */ 347 u_long tcps_keeptimeo; /* keepalive timeouts */ --- 125 unchanged lines hidden (view full) --- 473#ifdef SYSCTL_DECL 474SYSCTL_DECL(_net_inet_tcp); 475#endif 476 477extern struct inpcbhead tcb; /* head of queue of active tcpcb's */ 478extern struct inpcbinfo tcbinfo; 479extern struct tcpstat tcpstat; /* tcp statistics */ 480extern int tcp_mssdflt; /* XXX */ |
| 481extern int tcp_minmss; 482extern int tcp_minmssoverload; |
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| 476extern int tcp_delack_enabled; 477extern int tcp_do_newreno; 478extern int path_mtu_discovery; 479extern int ss_fltsz; 480extern int ss_fltsz_local; 481 482void tcp_canceltimers(struct tcpcb *); 483struct tcpcb * --- 69 unchanged lines hidden --- | 483extern int tcp_delack_enabled; 484extern int tcp_do_newreno; 485extern int path_mtu_discovery; 486extern int ss_fltsz; 487extern int ss_fltsz_local; 488 489void tcp_canceltimers(struct tcpcb *); 490struct tcpcb * --- 69 unchanged lines hidden --- |