| tcp_timer.c (a4f757cd5dc1421d90d72a34853247e0c2c18cce) | tcp_timer.c (c94c54e4df9ae401d299ca3b08f00acade2fccc8) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1988, 1990, 1993, 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 --- 527 unchanged lines hidden (view full) --- 536 tcpstat.tcps_rexmttimeo++; 537 if (tp->t_state == TCPS_SYN_SENT) 538 rexmt = TCP_REXMTVAL(tp) * tcp_syn_backoff[tp->t_rxtshift]; 539 else 540 rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift]; 541 TCPT_RANGESET(tp->t_rxtcur, rexmt, 542 tp->t_rttmin, TCPTV_REXMTMAX); 543 /* | 1/* 2 * Copyright (c) 1982, 1986, 1988, 1990, 1993, 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 --- 527 unchanged lines hidden (view full) --- 536 tcpstat.tcps_rexmttimeo++; 537 if (tp->t_state == TCPS_SYN_SENT) 538 rexmt = TCP_REXMTVAL(tp) * tcp_syn_backoff[tp->t_rxtshift]; 539 else 540 rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift]; 541 TCPT_RANGESET(tp->t_rxtcur, rexmt, 542 tp->t_rttmin, TCPTV_REXMTMAX); 543 /* |
| 544 * Disable rfc1323 and rfc1644 if we havn't got any response to | 544 * Disable rfc1323 if we havn't got any response to |
| 545 * our third SYN to work-around some broken terminal servers 546 * (most of which have hopefully been retired) that have bad VJ 547 * header compression code which trashes TCP segments containing 548 * unknown-to-them TCP options. 549 */ 550 if ((tp->t_state == TCPS_SYN_SENT) && (tp->t_rxtshift == 3)) | 545 * our third SYN to work-around some broken terminal servers 546 * (most of which have hopefully been retired) that have bad VJ 547 * header compression code which trashes TCP segments containing 548 * unknown-to-them TCP options. 549 */ 550 if ((tp->t_state == TCPS_SYN_SENT) && (tp->t_rxtshift == 3)) |
| 551 tp->t_flags &= ~(TF_REQ_SCALE|TF_REQ_TSTMP|TF_REQ_CC); | 551 tp->t_flags &= ~(TF_REQ_SCALE|TF_REQ_TSTMP); |
| 552 /* 553 * If we backed off this far, our srtt estimate is probably bogus. 554 * Clobber it so we'll take the next rtt measurement as our srtt; 555 * move the current srtt into rttvar to keep the current 556 * retransmit times until then. 557 */ 558 if (tp->t_rxtshift > TCP_MAXRXTSHIFT / 4) { 559#ifdef INET6 --- 64 unchanged lines hidden --- | 552 /* 553 * If we backed off this far, our srtt estimate is probably bogus. 554 * Clobber it so we'll take the next rtt measurement as our srtt; 555 * move the current srtt into rttvar to keep the current 556 * retransmit times until then. 557 */ 558 if (tp->t_rxtshift > TCP_MAXRXTSHIFT / 4) { 559#ifdef INET6 --- 64 unchanged lines hidden --- |