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netfilter: ipset: set match: add support to match the counters

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The new revision of the set match supports to match the counters
and to suppress updating the counters at matching too.

At the set:list types, the updating of the subcounters can be
suppressed as well.

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Jozsef Kadlecsik
2013-04-27 14:40:50 +02:00
committed by Pablo Neira Ayuso
parent de76303c5a
commit 6e01781d1c
6 changed files with 120 additions and 9 deletions
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31
include/uapi/linux/netfilter/ipset/ip_set.h
View File

@@ -145,7 +145,7 @@ enum ipset_errno {
IPSET_ERR_TYPE_SPECIFIC = 4352,
};
/* Flags at command level */
/* Flags at command level or match/target flags, lower half of cmdattrs*/
enum ipset_cmd_flags {
IPSET_FLAG_BIT_EXIST = 0,
IPSET_FLAG_EXIST = (1 << IPSET_FLAG_BIT_EXIST),
@@ -153,10 +153,20 @@ enum ipset_cmd_flags {
IPSET_FLAG_LIST_SETNAME = (1 << IPSET_FLAG_BIT_LIST_SETNAME),
IPSET_FLAG_BIT_LIST_HEADER = 2,
IPSET_FLAG_LIST_HEADER = (1 << IPSET_FLAG_BIT_LIST_HEADER),
IPSET_FLAG_CMD_MAX = 15, /* Lower half */
IPSET_FLAG_BIT_SKIP_COUNTER_UPDATE = 3,
IPSET_FLAG_SKIP_COUNTER_UPDATE =
(1 << IPSET_FLAG_BIT_SKIP_COUNTER_UPDATE),
IPSET_FLAG_BIT_SKIP_SUBCOUNTER_UPDATE = 4,
IPSET_FLAG_SKIP_SUBCOUNTER_UPDATE =
(1 << IPSET_FLAG_BIT_SKIP_SUBCOUNTER_UPDATE),
IPSET_FLAG_BIT_MATCH_COUNTERS = 5,
IPSET_FLAG_MATCH_COUNTERS = (1 << IPSET_FLAG_BIT_MATCH_COUNTERS),
IPSET_FLAG_BIT_RETURN_NOMATCH = 7,
IPSET_FLAG_RETURN_NOMATCH = (1 << IPSET_FLAG_BIT_RETURN_NOMATCH),
IPSET_FLAG_CMD_MAX = 15,
};
/* Flags at CADT attribute level */
/* Flags at CADT attribute level, upper half of cmdattrs */
enum ipset_cadt_flags {
IPSET_FLAG_BIT_BEFORE = 0,
IPSET_FLAG_BEFORE = (1 << IPSET_FLAG_BIT_BEFORE),
@@ -166,7 +176,7 @@ enum ipset_cadt_flags {
IPSET_FLAG_NOMATCH = (1 << IPSET_FLAG_BIT_NOMATCH),
IPSET_FLAG_BIT_WITH_COUNTERS = 3,
IPSET_FLAG_WITH_COUNTERS = (1 << IPSET_FLAG_BIT_WITH_COUNTERS),
IPSET_FLAG_CADT_MAX = 15, /* Upper half */
IPSET_FLAG_CADT_MAX = 15,
};
/* Commands with settype-specific attributes */
@@ -195,6 +205,7 @@ enum ip_set_dim {
* If changed, new revision of iptables match/target is required.
*/
IPSET_DIM_MAX = 6,
/* Backward compatibility: set match revision 2 */
IPSET_BIT_RETURN_NOMATCH = 7,
};
@@ -207,6 +218,18 @@ enum ip_set_kopt {
IPSET_RETURN_NOMATCH = (1 << IPSET_BIT_RETURN_NOMATCH),
};
enum {
IPSET_COUNTER_NONE = 0,
IPSET_COUNTER_EQ,
IPSET_COUNTER_NE,
IPSET_COUNTER_LT,
IPSET_COUNTER_GT,
};
struct ip_set_counter_match {
__u8 op;
__u64 value;
};
/* Interface to iptables/ip6tables */

9
include/uapi/linux/netfilter/xt_set.h
View File

@@ -62,4 +62,13 @@ struct xt_set_info_target_v2 {
__u32 timeout;
};
/* Revision 3 match */
struct xt_set_info_match_v3 {
struct xt_set_info match_set;
struct ip_set_counter_match packets;
struct ip_set_counter_match bytes;
__u32 flags;
};
#endif /*_XT_SET_H*/