diff options
author | Jozsef Kadlecsik <kadlec@netfilter.org> | 2020-09-21 10:21:39 +0200 |
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committer | Jozsef Kadlecsik <kadlec@netfilter.org> | 2020-09-21 10:21:39 +0200 |
commit | de340a7f1a9cf21931d94ea8814545c4b2d172b0 (patch) | |
tree | 0a69eaed9d425a233d4213e3cb3e129d5d25796f /kernel/net/netfilter/ipset/ip_set_hash_ip.c | |
parent | dfdbad53f9c5a7bc3f357b53f11a840c8fda3635 (diff) |
Add bucketsize parameter to all hash types
The parameter defines the upper limit in any hash bucket at adding new entries
from userspace - if the limit would be exceeded, ipset doubles the hash size
and rehashes. It means the set may consume more memory but gives faster
evaluation at matching in the set.
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Diffstat (limited to 'kernel/net/netfilter/ipset/ip_set_hash_ip.c')
-rw-r--r-- | kernel/net/netfilter/ipset/ip_set_hash_ip.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/net/netfilter/ipset/ip_set_hash_ip.c b/kernel/net/netfilter/ipset/ip_set_hash_ip.c index 41c576f..bb0cfd4 100644 --- a/kernel/net/netfilter/ipset/ip_set_hash_ip.c +++ b/kernel/net/netfilter/ipset/ip_set_hash_ip.c @@ -24,7 +24,8 @@ /* 1 Counters support */ /* 2 Comments support */ /* 3 Forceadd support */ -#define IPSET_TYPE_REV_MAX 4 /* skbinfo support */ +/* 4 skbinfo support */ +#define IPSET_TYPE_REV_MAX 5 /* bucketsize support */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@netfilter.org>"); @@ -278,11 +279,12 @@ static struct ip_set_type hash_ip_type __read_mostly = { .family = NFPROTO_UNSPEC, .revision_min = IPSET_TYPE_REV_MIN, .revision_max = IPSET_TYPE_REV_MAX, + .create_flags[IPSET_TYPE_REV_MAX] = IPSET_CREATE_FLAG_BUCKETSIZE, .create = hash_ip_create, .create_policy = { [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 }, [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 }, - [IPSET_ATTR_PROBES] = { .type = NLA_U8 }, + [IPSET_ATTR_BUCKETSIZE] = { .type = NLA_U8 }, [IPSET_ATTR_RESIZE] = { .type = NLA_U8 }, [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, [IPSET_ATTR_NETMASK] = { .type = NLA_U8 }, |