ipset: fast forward to v4.0

This commit is contained in:
Jan Engelhardt
2009-11-11 14:23:29 +01:00
parent 6f1c1ef0ce
commit 0593b96c2c
42 changed files with 1087 additions and 1894 deletions

View File

@@ -28,26 +28,23 @@
static int limit = MAX_RANGE;
static inline __u32
ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
ip_set_ip_t ip, ip_set_ip_t port)
ipporthash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port)
{
struct ip_set_ipporthash *map = set->data;
__u32 id;
u_int16_t i;
ip_set_ip_t *elem;
*hash_ip = pack_ip_port(map, ip, port);
ip = pack_ip_port(map, ip, port);
DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
if (!*hash_ip)
if (!ip)
return UINT_MAX;
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. */
}
@@ -55,24 +52,23 @@ ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
}
static inline int
ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
ip_set_ip_t ip, ip_set_ip_t port)
ipporthash_test(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port)
{
struct ip_set_ipporthash *map = set->data;
if (ip < map->first_ip || ip > map->last_ip)
return -ERANGE;
return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX);
return (ipporthash_id(set, ip, port) != UINT_MAX);
}
#define KADT_CONDITION \
ip_set_ip_t port; \
\
if (flags[index+1] == 0) \
if (flags[1] == 0) \
return 0; \
\
port = get_port(skb, flags[index+1]); \
port = get_port(skb, flags++); \
\
if (port == INVALID_PORT) \
return 0;
@@ -106,8 +102,7 @@ __ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip)
}
static inline int
ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
ip_set_ip_t ip, ip_set_ip_t port)
ipporthash_add(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port)
{
struct ip_set_ipporthash *map = set->data;
if (map->elements > limit)
@@ -115,12 +110,12 @@ ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
if (ip < map->first_ip || ip > map->last_ip)
return -ERANGE;
*hash_ip = pack_ip_port(map, ip, port);
ip = pack_ip_port(map, ip, port);
if (!*hash_ip)
if (!ip)
return -ERANGE;
return __ipporthash_add(map, hash_ip);
return __ipporthash_add(map, &ip);
}
UADT(ipporthash, add, req->port)
@@ -137,8 +132,7 @@ __ipporthash_retry(struct ip_set_ipporthash *tmp,
HASH_RETRY(ipporthash, ip_set_ip_t)
static inline int
ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
ip_set_ip_t ip, ip_set_ip_t port)
ipporthash_del(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port)
{
struct ip_set_ipporthash *map = set->data;
ip_set_ip_t id;
@@ -147,7 +141,7 @@ ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
if (ip < map->first_ip || ip > map->last_ip)
return -ERANGE;
id = ipporthash_id(set, hash_ip, ip, port);
id = ipporthash_id(set, ip, port);
if (id == UINT_MAX)
return -EEXIST;