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netfilter: ipset: The bitmap types with counter support 

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 2013-04-08 23:10:22 +02:00 committed by Pablo Neira Ayuso
parent 34d666d489
commit f48d19db12
4 changed files with 186 additions and 15 deletions
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14
net/netfilter/ipset/ip_set_bitmap_gen.h
View File

@ -37,6 +37,8 @@
#define ext_timeout(e, m) \
(unsigned long *)((e) + (m)->offset[IPSET_OFFSET_TIMEOUT])
#define ext_counter(e, m) \
(struct ip_set_counter *)((e) + (m)->offset[IPSET_OFFSET_COUNTER])
#define get_ext(map, id) ((map)->extensions + (map)->dsize * (id))
static void
@ -91,7 +93,10 @@ mtype_head(struct ip_set *set, struct sk_buff *skb)
map->memsize +
map->dsize * map->elements)) ||
(SET_WITH_TIMEOUT(set) &&
nla_put_net32(skb, IPSET_ATTR_TIMEOUT, htonl(map->timeout))))
nla_put_net32(skb, IPSET_ATTR_TIMEOUT, htonl(map->timeout))) ||
(SET_WITH_COUNTER(set) &&
nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS,
htonl(IPSET_FLAG_WITH_COUNTERS))))
goto nla_put_failure;
ipset_nest_end(skb, nested);
@ -114,6 +119,8 @@ mtype_test(struct ip_set *set, void *value, const struct ip_set_ext *ext,
if (SET_WITH_TIMEOUT(set) &&
ip_set_timeout_expired(ext_timeout(x, map)))
return 0;
if (SET_WITH_COUNTER(set))
ip_set_update_counter(ext_counter(x, map), ext, mext, flags);
return 1;
}
@ -141,6 +148,8 @@ mtype_add(struct ip_set *set, void *value, const struct ip_set_ext *ext,
ip_set_timeout_set(ext_timeout(x, map), ext->timeout);
#endif
if (SET_WITH_COUNTER(set))
ip_set_init_counter(ext_counter(x, map), ext);
return 0;
}
@ -205,6 +214,9 @@ mtype_list(const struct ip_set *set,
goto nla_put_failure;
#endif
}
if (SET_WITH_COUNTER(set) &&
ip_set_put_counter(skb, ext_counter(x, map)))
goto nla_put_failure;
ipset_nest_end(skb, nested);
}
ipset_nest_end(skb, adt);

62
net/netfilter/ipset/ip_set_bitmap_ip.c
View File

@ -26,7 +26,7 @@
#include <linux/netfilter/ipset/ip_set_bitmap.h>
#define REVISION_MIN 0
#define REVISION_MAX 0
#define REVISION_MAX 1 /* Counter support added */
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
@ -137,7 +137,9 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
int ret = 0;
if (unlikely(!tb[IPSET_ATTR_IP] ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES)))
return -IPSET_ERR_PROTOCOL;
if (tb[IPSET_ATTR_LINENO])
@ -213,6 +215,19 @@ struct bitmap_ipt_elem {
unsigned long timeout;
};
/* Plain variant with counter */
struct bitmap_ipc_elem {
struct ip_set_counter counter;
};
/* Timeout variant with counter */
struct bitmap_ipct_elem {
unsigned long timeout;
struct ip_set_counter counter;
};
#include "ip_set_bitmap_gen.h"
/* Create bitmap:ip type of sets */
@ -249,13 +264,14 @@ static int
bitmap_ip_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
{
struct bitmap_ip *map;
u32 first_ip, last_ip, hosts;
u32 first_ip, last_ip, hosts, cadt_flags = 0;
u64 elements;
u8 netmask = 32;
int ret;
if (unlikely(!tb[IPSET_ATTR_IP] ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
return -IPSET_ERR_PROTOCOL;
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &first_ip);
@ -320,7 +336,40 @@ bitmap_ip_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
map->memsize = bitmap_bytes(0, elements - 1);
set->variant = &bitmap_ip;
if (tb[IPSET_ATTR_TIMEOUT]) {
if (tb[IPSET_ATTR_CADT_FLAGS])
cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
if (cadt_flags & IPSET_FLAG_WITH_COUNTERS) {
set->extensions |= IPSET_EXT_COUNTER;
if (tb[IPSET_ATTR_TIMEOUT]) {
map->dsize = sizeof(struct bitmap_ipct_elem);
map->offset[IPSET_OFFSET_TIMEOUT] =
offsetof(struct bitmap_ipct_elem, timeout);
map->offset[IPSET_OFFSET_COUNTER] =
offsetof(struct bitmap_ipct_elem, counter);
if (!init_map_ip(set, map, first_ip, last_ip,
elements, hosts, netmask)) {
kfree(map);
return -ENOMEM;
}
map->timeout = ip_set_timeout_uget(
tb[IPSET_ATTR_TIMEOUT]);
set->extensions |= IPSET_EXT_TIMEOUT;
bitmap_ip_gc_init(set, bitmap_ip_gc);
} else {
map->dsize = sizeof(struct bitmap_ipc_elem);
map->offset[IPSET_OFFSET_COUNTER] =
offsetof(struct bitmap_ipc_elem, counter);
if (!init_map_ip(set, map, first_ip, last_ip,
elements, hosts, netmask)) {
kfree(map);
return -ENOMEM;
}
}
} else if (tb[IPSET_ATTR_TIMEOUT]) {
map->dsize = sizeof(struct bitmap_ipt_elem);
map->offset[IPSET_OFFSET_TIMEOUT] =
offsetof(struct bitmap_ipt_elem, timeout);
@ -361,6 +410,7 @@ static struct ip_set_type bitmap_ip_type __read_mostly = {
[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
[IPSET_ATTR_NETMASK] = { .type = NLA_U8 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
[IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
},
.adt_policy = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
@ -368,6 +418,8 @@ static struct ip_set_type bitmap_ip_type __read_mostly = {
[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
[IPSET_ATTR_LINENO] = { .type = NLA_U32 },
[IPSET_ATTR_BYTES] = { .type = NLA_U64 },
[IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
},
.me = THIS_MODULE,
};

68
net/netfilter/ipset/ip_set_bitmap_ipmac.c
View File

@ -26,7 +26,7 @@
#include <linux/netfilter/ipset/ip_set_bitmap.h>
#define REVISION_MIN 0
#define REVISION_MAX 0
#define REVISION_MAX 1 /* Counter support added */
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
@ -250,7 +250,9 @@ bitmap_ipmac_uadt(struct ip_set *set, struct nlattr *tb[],
int ret = 0;
if (unlikely(!tb[IPSET_ATTR_IP] ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES)))
return -IPSET_ERR_PROTOCOL;
if (tb[IPSET_ATTR_LINENO])
@ -299,6 +301,27 @@ struct bitmap_ipmact_elem {
unsigned long timeout;
};
/* Plain variant with counter */
struct bitmap_ipmacc_elem {
struct {
unsigned char ether[ETH_ALEN];
unsigned char filled;
} __attribute__ ((aligned));
struct ip_set_counter counter;
};
/* Timeout variant with counter */
struct bitmap_ipmacct_elem {
struct {
unsigned char ether[ETH_ALEN];
unsigned char filled;
} __attribute__ ((aligned));
unsigned long timeout;
struct ip_set_counter counter;
};
#include "ip_set_bitmap_gen.h"
/* Create bitmap:ip,mac type of sets */
@ -332,13 +355,14 @@ static int
bitmap_ipmac_create(struct ip_set *set, struct nlattr *tb[],
u32 flags)
{
u32 first_ip, last_ip;
u32 first_ip, last_ip, cadt_flags = 0;
u64 elements;
struct bitmap_ipmac *map;
int ret;
if (unlikely(!tb[IPSET_ATTR_IP] ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
return -IPSET_ERR_PROTOCOL;
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &first_ip);
@ -375,7 +399,38 @@ bitmap_ipmac_create(struct ip_set *set, struct nlattr *tb[],
map->memsize = bitmap_bytes(0, elements - 1);
set->variant = &bitmap_ipmac;
if (tb[IPSET_ATTR_TIMEOUT]) {
if (tb[IPSET_ATTR_CADT_FLAGS])
cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
if (cadt_flags & IPSET_FLAG_WITH_COUNTERS) {
set->extensions |= IPSET_EXT_COUNTER;
if (tb[IPSET_ATTR_TIMEOUT]) {
map->dsize = sizeof(struct bitmap_ipmacct_elem);
map->offset[IPSET_OFFSET_TIMEOUT] =
offsetof(struct bitmap_ipmacct_elem, timeout);
map->offset[IPSET_OFFSET_COUNTER] =
offsetof(struct bitmap_ipmacct_elem, counter);
if (!init_map_ipmac(set, map, first_ip, last_ip,
elements)) {
kfree(map);
return -ENOMEM;
}
map->timeout = ip_set_timeout_uget(
tb[IPSET_ATTR_TIMEOUT]);
set->extensions |= IPSET_EXT_TIMEOUT;
bitmap_ipmac_gc_init(set, bitmap_ipmac_gc);
} else {
map->dsize = sizeof(struct bitmap_ipmacc_elem);
map->offset[IPSET_OFFSET_COUNTER] =
offsetof(struct bitmap_ipmacc_elem, counter);
if (!init_map_ipmac(set, map, first_ip, last_ip,
elements)) {
kfree(map);
return -ENOMEM;
}
}
} else if (tb[IPSET_ATTR_TIMEOUT]) {
map->dsize = sizeof(struct bitmap_ipmact_elem);
map->offset[IPSET_OFFSET_TIMEOUT] =
offsetof(struct bitmap_ipmact_elem, timeout);
@ -413,6 +468,7 @@ static struct ip_set_type bitmap_ipmac_type = {
[IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
[IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
},
.adt_policy = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
@ -420,6 +476,8 @@ static struct ip_set_type bitmap_ipmac_type = {
.len = ETH_ALEN },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
[IPSET_ATTR_LINENO] = { .type = NLA_U32 },
[IPSET_ATTR_BYTES] = { .type = NLA_U64 },
[IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
},
.me = THIS_MODULE,
};

57
net/netfilter/ipset/ip_set_bitmap_port.c
View File

@ -21,7 +21,7 @@
#include <linux/netfilter/ipset/ip_set_getport.h>
#define REVISION_MIN 0
#define REVISION_MAX 0
#define REVISION_MAX 1 /* Counter support added */
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
@ -138,7 +138,9 @@ bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
if (unlikely(!ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES)))
return -IPSET_ERR_PROTOCOL;
if (tb[IPSET_ATTR_LINENO])
@ -199,10 +201,24 @@ struct bitmap_port_elem {
};
/* Timeout variant */
struct bitmap_portt_elem {
unsigned long timeout;
};
/* Plain variant with counter */
struct bitmap_portc_elem {
struct ip_set_counter counter;
};
/* Timeout variant with counter */
struct bitmap_portct_elem {
unsigned long timeout;
struct ip_set_counter counter;
};
#include "ip_set_bitmap_gen.h"
/* Create bitmap:ip type of sets */
@ -236,10 +252,12 @@ bitmap_port_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
{
struct bitmap_port *map;
u16 first_port, last_port;
u32 cadt_flags = 0;
if (unlikely(!ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
!ip_set_attr_netorder(tb, IPSET_ATTR_PORT_TO) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
return -IPSET_ERR_PROTOCOL;
first_port = ip_set_get_h16(tb[IPSET_ATTR_PORT]);
@ -258,7 +276,35 @@ bitmap_port_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
map->elements = last_port - first_port + 1;
map->memsize = map->elements * sizeof(unsigned long);
set->variant = &bitmap_port;
if (tb[IPSET_ATTR_TIMEOUT]) {
if (tb[IPSET_ATTR_CADT_FLAGS])
cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
if (cadt_flags & IPSET_FLAG_WITH_COUNTERS) {
set->extensions |= IPSET_EXT_COUNTER;
if (tb[IPSET_ATTR_TIMEOUT]) {
map->dsize = sizeof(struct bitmap_portct_elem);
map->offset[IPSET_OFFSET_TIMEOUT] =
offsetof(struct bitmap_portct_elem, timeout);
map->offset[IPSET_OFFSET_COUNTER] =
offsetof(struct bitmap_portct_elem, counter);
if (!init_map_port(set, map, first_port, last_port)) {
kfree(map);
return -ENOMEM;
}
map->timeout =
ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
set->extensions |= IPSET_EXT_TIMEOUT;
bitmap_port_gc_init(set, bitmap_port_gc);
} else {
map->dsize = sizeof(struct bitmap_portc_elem);
map->offset[IPSET_OFFSET_COUNTER] =
offsetof(struct bitmap_portc_elem, counter);
if (!init_map_port(set, map, first_port, last_port)) {
kfree(map);
return -ENOMEM;
}
}
} else if (tb[IPSET_ATTR_TIMEOUT]) {
map->dsize = sizeof(struct bitmap_portt_elem);
map->offset[IPSET_OFFSET_TIMEOUT] =
offsetof(struct bitmap_portt_elem, timeout);
@ -294,12 +340,15 @@ static struct ip_set_type bitmap_port_type = {
[IPSET_ATTR_PORT] = { .type = NLA_U16 },
[IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
[IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
},
.adt_policy = {
[IPSET_ATTR_PORT] = { .type = NLA_U16 },
[IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
[IPSET_ATTR_LINENO] = { .type = NLA_U32 },
[IPSET_ATTR_BYTES] = { .type = NLA_U64 },
[IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
},
.me = THIS_MODULE,
};