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authorJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2009-11-10 21:53:19 +0100
committerJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2009-11-10 21:53:19 +0100
commitcb76e46e97b0013305a7c96c2230a791675a15cf (patch)
tree919a4cf6a6a3de1fdfc432fdf10000dddf14f8db /kernel/ip_set_nethash.c
parent17d954a793b8a275324e5941a9515b991c80789d (diff)
ipset 4.0 releasedv4.0
See ChangeLog files
Diffstat (limited to 'kernel/ip_set_nethash.c')
-rw-r--r--kernel/ip_set_nethash.c44
1 files changed, 19 insertions, 25 deletions
diff --git a/kernel/ip_set_nethash.c b/kernel/ip_set_nethash.c
index d68a015..bf87f5c 100644
--- a/kernel/ip_set_nethash.c
+++ b/kernel/ip_set_nethash.c
@@ -26,7 +26,6 @@ static int limit = MAX_RANGE;
static inline __u32
nethash_id_cidr(const struct ip_set_nethash *map,
- ip_set_ip_t *hash_ip,
ip_set_ip_t ip,
uint8_t cidr)
{
@@ -34,15 +33,15 @@ nethash_id_cidr(const struct ip_set_nethash *map,
u_int16_t i;
ip_set_ip_t *elem;
- *hash_ip = pack_ip_cidr(ip, cidr);
- if (!*hash_ip)
+ ip = pack_ip_cidr(ip, cidr);
+ if (!ip)
return MAX_RANGE;
for (i = 0; i < map->probes; i++) {
- id = jhash_ip(map, i, *hash_ip) % map->hashsize;
+ id = jhash_ip(map, i, ip) % map->hashsize;
DP("hash key: %u", id);
elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
- if (*elem == *hash_ip)
+ if (*elem == ip)
return id;
/* No shortcut - there can be deleted entries. */
}
@@ -50,14 +49,14 @@ nethash_id_cidr(const struct ip_set_nethash *map,
}
static inline __u32
-nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
+nethash_id(struct ip_set *set, ip_set_ip_t ip)
{
const struct ip_set_nethash *map = set->data;
__u32 id = UINT_MAX;
int i;
for (i = 0; i < 30 && map->cidr[i]; i++) {
- id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]);
+ id = nethash_id_cidr(map, ip, map->cidr[i]);
if (id != UINT_MAX)
break;
}
@@ -65,30 +64,28 @@ nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
}
static inline int
-nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
- ip_set_ip_t ip, uint8_t cidr)
+nethash_test_cidr(struct ip_set *set, ip_set_ip_t ip, uint8_t cidr)
{
const struct ip_set_nethash *map = set->data;
- return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX);
+ return (nethash_id_cidr(map, ip, cidr) != UINT_MAX);
}
static inline int
-nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
+nethash_test(struct ip_set *set, ip_set_ip_t ip)
{
- return (nethash_id(set, hash_ip, ip) != UINT_MAX);
+ return (nethash_id(set, ip) != UINT_MAX);
}
static int
-nethash_utest(struct ip_set *set, const void *data, u_int32_t size,
- ip_set_ip_t *hash_ip)
+nethash_utest(struct ip_set *set, const void *data, u_int32_t size)
{
const struct ip_set_req_nethash *req = data;
if (req->cidr <= 0 || req->cidr > 32)
return -EINVAL;
- return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip)
- : nethash_test_cidr(set, hash_ip, req->ip, req->cidr));
+ return (req->cidr == 32 ? nethash_test(set, req->ip)
+ : nethash_test_cidr(set, req->ip, req->cidr));
}
#define KADT_CONDITION
@@ -121,8 +118,7 @@ __nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip)
}
static inline int
-nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
- ip_set_ip_t ip, uint8_t cidr)
+nethash_add(struct ip_set *set, ip_set_ip_t ip, uint8_t cidr)
{
struct ip_set_nethash *map = set->data;
int ret;
@@ -132,12 +128,11 @@ nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
if (cidr <= 0 || cidr >= 32)
return -EINVAL;
- *hash_ip = pack_ip_cidr(ip, cidr);
- DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
- if (!*hash_ip)
+ ip = pack_ip_cidr(ip, cidr);
+ if (!ip)
return -ERANGE;
- ret = __nethash_add(map, hash_ip);
+ ret = __nethash_add(map, &ip);
if (ret == 0) {
if (!map->nets[cidr-1]++)
add_cidr_size(map->cidr, cidr);
@@ -165,8 +160,7 @@ __nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map)
HASH_RETRY(nethash, ip_set_ip_t)
static inline int
-nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
- ip_set_ip_t ip, uint8_t cidr)
+nethash_del(struct ip_set *set, ip_set_ip_t ip, uint8_t cidr)
{
struct ip_set_nethash *map = set->data;
ip_set_ip_t id, *elem;
@@ -174,7 +168,7 @@ nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
if (cidr <= 0 || cidr >= 32)
return -EINVAL;
- id = nethash_id_cidr(map, hash_ip, ip, cidr);
+ id = nethash_id_cidr(map, ip, cidr);
if (id == UINT_MAX)
return -EEXIST;