/usr/src/xtables-addons-1.40/ipset-6/ip_set_timeout.h is in xtables-addons-dkms 1.40-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | #ifndef _IP_SET_TIMEOUT_H
#define _IP_SET_TIMEOUT_H
/* Copyright (C) 2003-2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifdef __KERNEL__
/* How often should the gc be run by default */
#define IPSET_GC_TIME (3 * 60)
/* Timeout period depending on the timeout value of the given set */
#define IPSET_GC_PERIOD(timeout) \
((timeout/3) ? min_t(u32, (timeout)/3, IPSET_GC_TIME) : 1)
/* Set is defined without timeout support: timeout value may be 0 */
#define IPSET_NO_TIMEOUT UINT_MAX
#define with_timeout(timeout) ((timeout) != IPSET_NO_TIMEOUT)
#define opt_timeout(opt, map) \
(with_timeout((opt)->timeout) ? (opt)->timeout : (map)->timeout)
static inline unsigned int
ip_set_timeout_uget(struct nlattr *tb)
{
unsigned int timeout = ip_set_get_h32(tb);
/* Userspace supplied TIMEOUT parameter: adjust crazy size */
return timeout == IPSET_NO_TIMEOUT ? IPSET_NO_TIMEOUT - 1 : timeout;
}
#ifdef IP_SET_BITMAP_TIMEOUT
/* Bitmap specific timeout constants and macros for the entries */
/* Bitmap entry is unset */
#define IPSET_ELEM_UNSET 0
/* Bitmap entry is set with no timeout value */
#define IPSET_ELEM_PERMANENT (UINT_MAX/2)
static inline bool
ip_set_timeout_test(unsigned long timeout)
{
return timeout != IPSET_ELEM_UNSET &&
(timeout == IPSET_ELEM_PERMANENT ||
time_is_after_jiffies(timeout));
}
static inline bool
ip_set_timeout_expired(unsigned long timeout)
{
return timeout != IPSET_ELEM_UNSET &&
timeout != IPSET_ELEM_PERMANENT &&
time_is_before_jiffies(timeout);
}
static inline unsigned long
ip_set_timeout_set(u32 timeout)
{
unsigned long t;
if (!timeout)
return IPSET_ELEM_PERMANENT;
t = msecs_to_jiffies(timeout * 1000) + jiffies;
if (t == IPSET_ELEM_UNSET || t == IPSET_ELEM_PERMANENT)
/* Bingo! */
t++;
return t;
}
static inline u32
ip_set_timeout_get(unsigned long timeout)
{
return timeout == IPSET_ELEM_PERMANENT ? 0 :
jiffies_to_msecs(timeout - jiffies)/1000;
}
#else
/* Hash specific timeout constants and macros for the entries */
/* Hash entry is set with no timeout value */
#define IPSET_ELEM_PERMANENT 0
static inline bool
ip_set_timeout_test(unsigned long timeout)
{
return timeout == IPSET_ELEM_PERMANENT ||
time_is_after_jiffies(timeout);
}
static inline bool
ip_set_timeout_expired(unsigned long timeout)
{
return timeout != IPSET_ELEM_PERMANENT &&
time_is_before_jiffies(timeout);
}
static inline unsigned long
ip_set_timeout_set(u32 timeout)
{
unsigned long t;
if (!timeout)
return IPSET_ELEM_PERMANENT;
t = msecs_to_jiffies(timeout * 1000) + jiffies;
if (t == IPSET_ELEM_PERMANENT)
/* Bingo! :-) */
t++;
return t;
}
static inline u32
ip_set_timeout_get(unsigned long timeout)
{
return timeout == IPSET_ELEM_PERMANENT ? 0 :
jiffies_to_msecs(timeout - jiffies)/1000;
}
#endif /* ! IP_SET_BITMAP_TIMEOUT */
#endif /* __KERNEL__ */
#endif /* _IP_SET_TIMEOUT_H */
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