diff options
Diffstat (limited to 'include/linux/netfilter/ipset/ip_set_timeout.h')
-rw-r--r-- | include/linux/netfilter/ipset/ip_set_timeout.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/include/linux/netfilter/ipset/ip_set_timeout.h b/include/linux/netfilter/ipset/ip_set_timeout.h deleted file mode 100644 index 2be60e379ecf..000000000000 --- a/include/linux/netfilter/ipset/ip_set_timeout.h +++ /dev/null @@ -1,77 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -#ifndef _IP_SET_TIMEOUT_H -#define _IP_SET_TIMEOUT_H - -/* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@netfilter.org> */ - -#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) - -/* Entry is set with no timeout value */ -#define IPSET_ELEM_PERMANENT 0 - -/* Set is defined with timeout support: timeout value may be 0 */ -#define IPSET_NO_TIMEOUT UINT_MAX - -/* Max timeout value, see msecs_to_jiffies() in jiffies.h */ -#define IPSET_MAX_TIMEOUT (UINT_MAX >> 1)/MSEC_PER_SEC - -#define ip_set_adt_opt_timeout(opt, set) \ -((opt)->ext.timeout != IPSET_NO_TIMEOUT ? (opt)->ext.timeout : (set)->timeout) - -static inline unsigned int -ip_set_timeout_uget(struct nlattr *tb) -{ - unsigned int timeout = ip_set_get_h32(tb); - - /* Normalize to fit into jiffies */ - if (timeout > IPSET_MAX_TIMEOUT) - timeout = IPSET_MAX_TIMEOUT; - - return timeout; -} - -static inline bool -ip_set_timeout_expired(const unsigned long *t) -{ - return *t != IPSET_ELEM_PERMANENT && time_is_before_jiffies(*t); -} - -static inline void -ip_set_timeout_set(unsigned long *timeout, u32 value) -{ - unsigned long t; - - if (!value) { - *timeout = IPSET_ELEM_PERMANENT; - return; - } - - t = msecs_to_jiffies(value * MSEC_PER_SEC) + jiffies; - if (t == IPSET_ELEM_PERMANENT) - /* Bingo! :-) */ - t--; - *timeout = t; -} - -static inline u32 -ip_set_timeout_get(const unsigned long *timeout) -{ - u32 t; - - if (*timeout == IPSET_ELEM_PERMANENT) - return 0; - - t = jiffies_to_msecs(*timeout - jiffies)/MSEC_PER_SEC; - /* Zero value in userspace means no timeout */ - return t == 0 ? 1 : t; -} - -#endif /* __KERNEL__ */ -#endif /* _IP_SET_TIMEOUT_H */ |