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-rw-r--r--kernel/ip_set_ipporthash.c197
1 files changed, 0 insertions, 197 deletions
diff --git a/kernel/ip_set_ipporthash.c b/kernel/ip_set_ipporthash.c
deleted file mode 100644
index 36e68b0..0000000
--- a/kernel/ip_set_ipporthash.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/* Kernel module implementing an ip+port hash set */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/udp.h>
-#include <linux/skbuff.h>
-#include <linux/netfilter_ipv4/ip_set_jhash.h>
-#include <linux/errno.h>
-#include <asm/uaccess.h>
-#include <asm/bitops.h>
-#include <linux/spinlock.h>
-#include <linux/random.h>
-
-#include <net/ip.h>
-
-#include <linux/netfilter_ipv4/ip_set_ipporthash.h>
-#include <linux/netfilter_ipv4/ip_set_getport.h>
-
-static int limit = MAX_RANGE;
-
-static inline __u32
-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;
-
- ip = pack_ip_port(map, ip, port);
-
- if (!ip)
- return UINT_MAX;
-
- for (i = 0; i < map->probes; i++) {
- 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 == ip)
- return id;
- /* No shortcut - there can be deleted entries. */
- }
- return UINT_MAX;
-}
-
-static inline int
-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, ip, port) != UINT_MAX);
-}
-
-#define KADT_CONDITION \
- ip_set_ip_t port; \
- \
- if (flags[1] == 0) \
- return 0; \
- \
- port = get_port(skb, flags++); \
- \
- if (port == INVALID_PORT) \
- return 0;
-
-UADT(ipporthash, test, req->port)
-KADT(ipporthash, test, ipaddr, port)
-
-static inline int
-__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip)
-{
- __u32 probe;
- u_int16_t i;
- ip_set_ip_t *elem, *slot = NULL;
-
- for (i = 0; i < map->probes; i++) {
- probe = jhash_ip(map, i, *ip) % map->hashsize;
- elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
- if (*elem == *ip)
- return -EEXIST;
- if (!(slot || *elem))
- slot = elem;
- /* There can be deleted entries, must check all slots */
- }
- if (slot) {
- *slot = *ip;
- map->elements++;
- return 0;
- }
- /* Trigger rehashing */
- return -EAGAIN;
-}
-
-static inline int
-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)
- return -ERANGE;
- if (ip < map->first_ip || ip > map->last_ip)
- return -ERANGE;
-
- ip = pack_ip_port(map, ip, port);
-
- if (!ip)
- return -ERANGE;
-
- return __ipporthash_add(map, &ip);
-}
-
-UADT(ipporthash, add, req->port)
-KADT(ipporthash, add, ipaddr, port)
-
-static inline void
-__ipporthash_retry(struct ip_set_ipporthash *tmp,
- struct ip_set_ipporthash *map)
-{
- tmp->first_ip = map->first_ip;
- tmp->last_ip = map->last_ip;
-}
-
-HASH_RETRY(ipporthash, ip_set_ip_t)
-
-static inline int
-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;
- ip_set_ip_t *elem;
-
- if (ip < map->first_ip || ip > map->last_ip)
- return -ERANGE;
-
- id = ipporthash_id(set, ip, port);
-
- if (id == UINT_MAX)
- return -EEXIST;
-
- elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
- *elem = 0;
- map->elements--;
-
- return 0;
-}
-
-UADT(ipporthash, del, req->port)
-KADT(ipporthash, del, ipaddr, port)
-
-static inline int
-__ipporthash_create(const struct ip_set_req_ipporthash_create *req,
- struct ip_set_ipporthash *map)
-{
- if (req->to - req->from > MAX_RANGE) {
- ip_set_printk("range too big, %d elements (max %d)",
- req->to - req->from + 1, MAX_RANGE+1);
- return -ENOEXEC;
- }
- map->first_ip = req->from;
- map->last_ip = req->to;
- return 0;
-}
-
-HASH_CREATE(ipporthash, ip_set_ip_t)
-HASH_DESTROY(ipporthash)
-HASH_FLUSH(ipporthash, ip_set_ip_t)
-
-static inline void
-__ipporthash_list_header(const struct ip_set_ipporthash *map,
- struct ip_set_req_ipporthash_create *header)
-{
- header->from = map->first_ip;
- header->to = map->last_ip;
-}
-
-HASH_LIST_HEADER(ipporthash)
-HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t)
-HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t)
-
-IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE)
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-MODULE_DESCRIPTION("ipporthash type of IP sets");
-module_param(limit, int, 0600);
-MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-
-REGISTER_MODULE(ipporthash)