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netfilter: ipset: make possible to hash some part of the data element only

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Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Jozsef Kadlecsik 2011-07-21 12:05:31 +02:00 committed by Patrick McHardy
parent 97d32cf944
commit a6a7b759ba
1 changed files with 10 additions and 4 deletions
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14
include/linux/netfilter/ipset/ip_set_ahash.h
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@ -211,12 +211,16 @@ ip_set_hash_destroy(struct ip_set *set)
set->data = NULL; set->data = NULL;
} }
#define HKEY(data, initval, htable_bits) \
(jhash2((u32 *)(data), sizeof(struct type_pf_elem)/sizeof(u32), initval) \
& jhash_mask(htable_bits))
#endif /* _IP_SET_AHASH_H */ #endif /* _IP_SET_AHASH_H */
#ifndef HKEY_DATALEN
#define HKEY_DATALEN sizeof(struct type_pf_elem)
#endif
#define HKEY(data, initval, htable_bits) \
(jhash2((u32 *)(data), HKEY_DATALEN/sizeof(u32), initval) \
& jhash_mask(htable_bits))
#define CONCAT(a, b, c) a##b##c #define CONCAT(a, b, c) a##b##c
#define TOKEN(a, b, c) CONCAT(a, b, c) #define TOKEN(a, b, c) CONCAT(a, b, c)
@ -1054,6 +1058,8 @@ type_pf_gc_init(struct ip_set *set)
IPSET_GC_PERIOD(h->timeout)); IPSET_GC_PERIOD(h->timeout));
} }
#undef HKEY_DATALEN
#undef HKEY
#undef type_pf_data_equal #undef type_pf_data_equal
#undef type_pf_data_isnull #undef type_pf_data_isnull
#undef type_pf_data_copy #undef type_pf_data_copy