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 --- 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_subr.c 8.2 (Berkeley) 5/24/95 |
34 * $Id: tcp_subr.c,v 1.53 1999/04/28 11:37:49 phk Exp $ |
35 */ 36 37#include "opt_compat.h" 38#include "opt_tcpdebug.h" 39 40#include <sys/param.h> 41#include <sys/systm.h> 42#include <sys/kernel.h> --- 22 unchanged lines hidden (view full) --- 65#include <netinet/tcp_timer.h> 66#include <netinet/tcp_var.h> 67#include <netinet/tcpip.h> 68#ifdef TCPDEBUG 69#include <netinet/tcp_debug.h> 70#endif 71 72int tcp_mssdflt = TCP_MSS; |
73SYSCTL_INT(_net_inet_tcp, TCPCTL_MSSDFLT, mssdflt, CTLFLAG_RW, 74 &tcp_mssdflt , 0, "Default TCP Maximum Segment Size"); |
75 76static int tcp_rttdflt = TCPTV_SRTTDFLT / PR_SLOWHZ; |
77SYSCTL_INT(_net_inet_tcp, TCPCTL_RTTDFLT, rttdflt, CTLFLAG_RW, 78 &tcp_rttdflt , 0, "Default maximum TCP Round Trip Time"); |
79 80static int tcp_do_rfc1323 = 1; |
81SYSCTL_INT(_net_inet_tcp, TCPCTL_DO_RFC1323, rfc1323, CTLFLAG_RW, 82 &tcp_do_rfc1323 , 0, "Enable rfc1323 (high performance TCP) extensions"); |
83 84static int tcp_do_rfc1644 = 0; |
85SYSCTL_INT(_net_inet_tcp, TCPCTL_DO_RFC1644, rfc1644, CTLFLAG_RW, 86 &tcp_do_rfc1644 , 0, "Enable rfc1644 (TTCP) extensions"); |
87 |
88SYSCTL_INT(_net_inet_tcp, OID_AUTO, pcbcount, CTLFLAG_RD, 89 &tcbinfo.ipi_count, 0, "Number of active PCBs"); |
90 91static void tcp_cleartaocache __P((void)); 92static void tcp_notify __P((struct inpcb *, int)); 93 94/* 95 * Target size of TCP PCB hash tables. Must be a power of two. 96 * 97 * Note that this can be overridden by the kernel environment --- 664 unchanged lines hidden --- |