summaryrefslogtreecommitdiff
path: root/net/netfilter/ipset/ip_set_hash_mac.c
diff options
context:
space:
mode:
authorJozsef Kadlecsik <kadlec@netfilter.org>2020-10-29 18:39:48 +0300
committerPablo Neira Ayuso <pablo@netfilter.org>2020-10-31 13:54:42 +0300
commitccf0a4b7fc688561428290265e4effde41446668 (patch)
treeec0972501cdc0b4d899371c552b84c9a592d7840 /net/netfilter/ipset/ip_set_hash_mac.c
parenta304ea7daf542b1e4a136be80bc973fc713e6ca6 (diff)
downloadlinux-ccf0a4b7fc688561428290265e4effde41446668.tar.xz
netfilter: ipset: 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> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/ipset/ip_set_hash_mac.c')
-rw-r--r--net/netfilter/ipset/ip_set_hash_mac.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/netfilter/ipset/ip_set_hash_mac.c b/net/netfilter/ipset/ip_set_hash_mac.c
index 0b61593165ef..00dd7e20df3c 100644
--- a/net/netfilter/ipset/ip_set_hash_mac.c
+++ b/net/netfilter/ipset/ip_set_hash_mac.c
@@ -16,7 +16,7 @@
#include <linux/netfilter/ipset/ip_set_hash.h>
#define IPSET_TYPE_REV_MIN 0
-#define IPSET_TYPE_REV_MAX 0
+#define IPSET_TYPE_REV_MAX 1 /* bucketsize support */
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@netfilter.org>");
@@ -125,11 +125,12 @@ static struct ip_set_type hash_mac_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_mac_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_CADT_FLAGS] = { .type = NLA_U32 },