1/*-
2 * Copyright (c) 1982, 1986, 1991, 1993, 1995
3 * The Regents of the University of California.
4 * Copyright (c) 2007-2009 Robert N. M. Watson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)in_pcb.c 8.4 (Berkeley) 5/24/95
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: head/sys/netinet/in_pcb.c 215701 2010-11-22 19:32:54Z dim $");
36
37#include "opt_ddb.h"
38#include "opt_ipsec.h"
39#include "opt_inet6.h"
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/malloc.h>
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103VNET_DEFINE(int, ipport_reservedlow);
104
105/* Variables dealing with random ephemeral port allocation. */
106VNET_DEFINE(int, ipport_randomized) = 1; /* user controlled via sysctl */
107VNET_DEFINE(int, ipport_randomcps) = 10; /* user controlled via sysctl */
108VNET_DEFINE(int, ipport_randomtime) = 45; /* user controlled via sysctl */
109VNET_DEFINE(int, ipport_stoprandom); /* toggled by ipport_tick */
110VNET_DEFINE(int, ipport_tcpallocs);
111static VNET_DEFINE(int, ipport_tcplastcount);
112
113#define V_ipport_tcplastcount VNET(ipport_tcplastcount)
114
115#define RANGECHK(var, min, max) \
116 if ((var) < (min)) { (var) = (min); } \
117 else if ((var) > (max)) { (var) = (max); }
118
119static void in_pcbremlists(struct inpcb *inp);
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2 * Copyright (c) 1982, 1986, 1991, 1993, 1995
3 * The Regents of the University of California.
4 * Copyright (c) 2007-2009 Robert N. M. Watson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
--- 18 unchanged lines hidden (view full) ---
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)in_pcb.c 8.4 (Berkeley) 5/24/95
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: head/sys/netinet/in_pcb.c 215701 2010-11-22 19:32:54Z dim $");
36
37#include "opt_ddb.h"
38#include "opt_ipsec.h"
39#include "opt_inet6.h"
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/malloc.h>
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103VNET_DEFINE(int, ipport_reservedlow);
104
105/* Variables dealing with random ephemeral port allocation. */
106VNET_DEFINE(int, ipport_randomized) = 1; /* user controlled via sysctl */
107VNET_DEFINE(int, ipport_randomcps) = 10; /* user controlled via sysctl */
108VNET_DEFINE(int, ipport_randomtime) = 45; /* user controlled via sysctl */
109VNET_DEFINE(int, ipport_stoprandom); /* toggled by ipport_tick */
110VNET_DEFINE(int, ipport_tcpallocs);
111static VNET_DEFINE(int, ipport_tcplastcount);
112
113#define V_ipport_tcplastcount VNET(ipport_tcplastcount)
114
115#define RANGECHK(var, min, max) \
116 if ((var) < (min)) { (var) = (min); } \
117 else if ((var) > (max)) { (var) = (max); }
118
119static void in_pcbremlists(struct inpcb *inp);
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