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Commit a6a7b759 authored by Jozsef Kadlecsik's avatar Jozsef Kadlecsik Committed by Patrick McHardy
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netfilter: ipset: make possible to hash some part of the data element only 



Signed-off-by: default avatarJozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
parent 97d32cf9

include/linux/netfilter/ipset/ip_set_ahash.h

+10 −4
Original line number Diff line number Diff line
@@ -211,12 +211,16 @@ ip_set_hash_destroy(struct ip_set *set) 
	set->data = NULL;

}



#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), sizeof(struct type_pf_elem)/sizeof(u32), initval) \

(jhash2((u32 *)(data), HKEY_DATALEN/sizeof(u32), initval)	\

	& jhash_mask(htable_bits))



#endif /* _IP_SET_AHASH_H */



#define CONCAT(a, b, c)		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));

}



#undef HKEY_DATALEN

#undef HKEY

#undef type_pf_data_equal

#undef type_pf_data_isnull

#undef type_pf_data_copy