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author | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2009-11-10 21:53:19 +0100 |
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committer | Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2009-11-10 21:53:19 +0100 |
commit | cb76e46e97b0013305a7c96c2230a791675a15cf (patch) | |
tree | 919a4cf6a6a3de1fdfc432fdf10000dddf14f8db /kernel/ip_set_ipportiphash.c | |
parent | 17d954a793b8a275324e5941a9515b991c80789d (diff) |
ipset 4.0 releasedv4.0
See ChangeLog files
Diffstat (limited to 'kernel/ip_set_ipportiphash.c')
-rw-r--r-- | kernel/ip_set_ipportiphash.c | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/kernel/ip_set_ipportiphash.c b/kernel/ip_set_ipportiphash.c index 166bec4..5fe00f1 100644 --- a/kernel/ip_set_ipportiphash.c +++ b/kernel/ip_set_ipportiphash.c @@ -31,7 +31,7 @@ static int limit = MAX_RANGE; jhash_2words(ipport, ip1, *(map->initval + i)) static inline __u32 -ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, +ipportiphash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) { struct ip_set_ipportiphash *map = set->data; @@ -39,17 +39,15 @@ ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, u_int16_t i; struct ipportip *elem; - *hash_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 || ip1)) + ip = pack_ip_port(map, ip, port); + if (!(ip || ip1)) return UINT_MAX; for (i = 0; i < map->probes; i++) { - id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize; + id = jhash_ip2(map, i, ip, ip1) % map->hashsize; DP("hash key: %u", id); elem = HARRAY_ELEM(map->members, struct ipportip *, id); - if (elem->ip == *hash_ip && elem->ip1 == ip1) + if (elem->ip == ip && elem->ip1 == ip1) return id; /* No shortcut - there can be deleted entries. */ } @@ -57,7 +55,7 @@ ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, } static inline int -ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, +ipportiphash_test(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) { struct ip_set_ipportiphash *map = set->data; @@ -65,17 +63,17 @@ ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, if (ip < map->first_ip || ip > map->last_ip) return -ERANGE; - return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX); + return (ipportiphash_id(set, ip, port, ip1) != UINT_MAX); } #define KADT_CONDITION \ ip_set_ip_t port, ip1; \ \ - if (flags[index+2] == 0) \ + if (flags[2] == 0) \ return 0; \ \ - port = get_port(skb, flags[index+1]); \ - ip1 = ipaddr(skb, flags[index+2]); \ + port = get_port(skb, flags++); \ + ip1 = ipaddr(skb, flags++); \ \ if (port == INVALID_PORT) \ return 0; @@ -85,23 +83,23 @@ KADT(ipportiphash, test, ipaddr, port, ip1) static inline int __ipportip_add(struct ip_set_ipportiphash *map, - ip_set_ip_t hash_ip, ip_set_ip_t ip1) + ip_set_ip_t ip, ip_set_ip_t ip1) { __u32 probe; u_int16_t i; struct ipportip *elem, *slot = NULL; for (i = 0; i < map->probes; i++) { - probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize; + probe = jhash_ip2(map, i, ip, ip1) % map->hashsize; elem = HARRAY_ELEM(map->members, struct ipportip *, probe); - if (elem->ip == hash_ip && elem->ip1 == ip1) + if (elem->ip == ip && elem->ip1 == ip1) return -EEXIST; if (!(slot || elem->ip || elem->ip1)) slot = elem; /* There can be deleted entries, must check all slots */ } if (slot) { - slot->ip = hash_ip; + slot->ip = ip; slot->ip1 = ip1; map->elements++; return 0; @@ -118,7 +116,7 @@ __ipportiphash_add(struct ip_set_ipportiphash *map, } static inline int -ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, +ipportiphash_add(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) { struct ip_set_ipportiphash *map = set->data; @@ -128,11 +126,11 @@ ipportiphash_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); - if (!(*hash_ip || ip1)) + ip = pack_ip_port(map, ip, port); + if (!(ip || ip1)) return -ERANGE; - return __ipportip_add(map, *hash_ip, ip1); + return __ipportip_add(map, ip, ip1); } UADT(ipportiphash, add, req->port, req->ip1) @@ -149,7 +147,7 @@ __ipportiphash_retry(struct ip_set_ipportiphash *tmp, HASH_RETRY2(ipportiphash, struct ipportip) static inline int -ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, +ipportiphash_del(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1) { struct ip_set_ipportiphash *map = set->data; @@ -159,7 +157,7 @@ ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, if (ip < map->first_ip || ip > map->last_ip) return -ERANGE; - id = ipportiphash_id(set, hash_ip, ip, port, ip1); + id = ipportiphash_id(set, ip, port, ip1); if (id == UINT_MAX) return -EEXIST; |