| tcp_subr.c (185571) | tcp_subr.c (185895) |
|---|---|
| 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 --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)tcp_subr.c 8.2 (Berkeley) 5/24/95 30 */ 31 32#include <sys/cdefs.h> | 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 --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)tcp_subr.c 8.2 (Berkeley) 5/24/95 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/netinet/tcp_subr.c 185571 2008-12-02 21:37:28Z bz $"); | 33__FBSDID("$FreeBSD: head/sys/netinet/tcp_subr.c 185895 2008-12-10 23:12:39Z zec $"); |
| 34 35#include "opt_compat.h" 36#include "opt_inet.h" 37#include "opt_inet6.h" 38#include "opt_ipsec.h" 39#include "opt_mac.h" 40#include "opt_tcpdebug.h" 41 --- 156 unchanged lines hidden (view full) --- 198SYSCTL_INT(_net_inet_tcp, OID_AUTO, tcbhashsize, CTLFLAG_RDTUN, 199 &tcp_tcbhashsize, 0, "Size of TCP control-block hashtable"); 200 201static int do_tcpdrain = 1; 202SYSCTL_INT(_net_inet_tcp, OID_AUTO, do_tcpdrain, CTLFLAG_RW, &do_tcpdrain, 0, 203 "Enable tcp_drain routine for extra help when low on mbufs"); 204 205SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, pcbcount, | 34 35#include "opt_compat.h" 36#include "opt_inet.h" 37#include "opt_inet6.h" 38#include "opt_ipsec.h" 39#include "opt_mac.h" 40#include "opt_tcpdebug.h" 41 --- 156 unchanged lines hidden (view full) --- 198SYSCTL_INT(_net_inet_tcp, OID_AUTO, tcbhashsize, CTLFLAG_RDTUN, 199 &tcp_tcbhashsize, 0, "Size of TCP control-block hashtable"); 200 201static int do_tcpdrain = 1; 202SYSCTL_INT(_net_inet_tcp, OID_AUTO, do_tcpdrain, CTLFLAG_RW, &do_tcpdrain, 0, 203 "Enable tcp_drain routine for extra help when low on mbufs"); 204 205SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, pcbcount, |
| 206 CTLFLAG_RD, V_tcbinfo.ipi_count, 0, "Number of active PCBs"); | 206 CTLFLAG_RD, tcbinfo.ipi_count, 0, "Number of active PCBs"); |
| 207 208SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, icmp_may_rst, 209 CTLFLAG_RW, icmp_may_rst, 0, 210 "Certain ICMP unreachable messages may abort connections in SYN_SENT"); 211 212SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, isn_reseed_interval, 213 CTLFLAG_RW, tcp_isn_reseed_interval, 0, 214 "Seconds between reseeding of ISN secret"); --- 139 unchanged lines hidden (view full) --- 354 tcp_msl = TCPTV_MSL; 355 tcp_rexmit_min = TCPTV_MIN; 356 if (tcp_rexmit_min < 1) 357 tcp_rexmit_min = 1; 358 tcp_rexmit_slop = TCPTV_CPU_VAR; 359 V_tcp_inflight_rttthresh = TCPTV_INFLIGHT_RTTTHRESH; 360 tcp_finwait2_timeout = TCPTV_FINWAIT2_TIMEOUT; 361 | 207 208SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, icmp_may_rst, 209 CTLFLAG_RW, icmp_may_rst, 0, 210 "Certain ICMP unreachable messages may abort connections in SYN_SENT"); 211 212SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, isn_reseed_interval, 213 CTLFLAG_RW, tcp_isn_reseed_interval, 0, 214 "Seconds between reseeding of ISN secret"); --- 139 unchanged lines hidden (view full) --- 354 tcp_msl = TCPTV_MSL; 355 tcp_rexmit_min = TCPTV_MIN; 356 if (tcp_rexmit_min < 1) 357 tcp_rexmit_min = 1; 358 tcp_rexmit_slop = TCPTV_CPU_VAR; 359 V_tcp_inflight_rttthresh = TCPTV_INFLIGHT_RTTTHRESH; 360 tcp_finwait2_timeout = TCPTV_FINWAIT2_TIMEOUT; 361 |
| 362 TUNABLE_INT_FETCH("net.inet.tcp.sack.enable", &V_tcp_do_sack); 363 |
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| 362 INP_INFO_LOCK_INIT(&V_tcbinfo, "tcp"); 363 LIST_INIT(&V_tcb); 364 V_tcbinfo.ipi_listhead = &V_tcb; 365 hashsize = TCBHASHSIZE; 366 TUNABLE_INT_FETCH("net.inet.tcp.tcbhashsize", &hashsize); 367 if (!powerof2(hashsize)) { 368 printf("WARNING: TCB hash size not a power of 2\n"); 369 hashsize = 512; /* safe default */ --- 1939 unchanged lines hidden --- | 364 INP_INFO_LOCK_INIT(&V_tcbinfo, "tcp"); 365 LIST_INIT(&V_tcb); 366 V_tcbinfo.ipi_listhead = &V_tcb; 367 hashsize = TCBHASHSIZE; 368 TUNABLE_INT_FETCH("net.inet.tcp.tcbhashsize", &hashsize); 369 if (!powerof2(hashsize)) { 370 printf("WARNING: TCB hash size not a power of 2\n"); 371 hashsize = 512; /* safe default */ --- 1939 unchanged lines hidden --- |