diff options
| -rw-r--r-- | include/net/netfilter/nf_conntrack.h | 4 | ||||
| -rw-r--r-- | net/netfilter/nf_conntrack_core.c | 23 |
2 files changed, 16 insertions, 11 deletions
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index ef4a403..8f2cbb9 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -172,6 +172,10 @@ static inline void nf_ct_put(struct nf_conn *ct) extern int nf_ct_l3proto_try_module_get(unsigned short l3proto); extern void nf_ct_l3proto_module_put(unsigned short l3proto); +extern struct hlist_head *nf_ct_alloc_hashtable(int *sizep, int *vmalloced); +extern void nf_ct_free_hashtable(struct hlist_head *hash, int vmalloced, + int size); + extern struct nf_conntrack_tuple_hash * __nf_conntrack_find(const struct nf_conntrack_tuple *tuple, const struct nf_conn *ignored_conntrack); diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 8ed761c..f4c3039 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -920,8 +920,7 @@ static int kill_all(struct nf_conn *i, void *data) return 1; } -static void free_conntrack_hash(struct hlist_head *hash, int vmalloced, - int size) +void nf_ct_free_hashtable(struct hlist_head *hash, int vmalloced, int size) { if (vmalloced) vfree(hash); @@ -929,6 +928,7 @@ static void free_conntrack_hash(struct hlist_head *hash, int vmalloced, free_pages((unsigned long)hash, get_order(sizeof(struct hlist_head) * size)); } +EXPORT_SYMBOL_GPL(nf_ct_free_hashtable); void nf_conntrack_flush(void) { @@ -962,14 +962,14 @@ void nf_conntrack_cleanup(void) kmem_cache_destroy(nf_conntrack_cachep); kmem_cache_destroy(nf_conntrack_expect_cachep); - free_conntrack_hash(nf_conntrack_hash, nf_conntrack_vmalloc, - nf_conntrack_htable_size); + nf_ct_free_hashtable(nf_conntrack_hash, nf_conntrack_vmalloc, + nf_conntrack_htable_size); nf_conntrack_proto_fini(); nf_conntrack_helper_fini(); } -static struct hlist_head *alloc_hashtable(int *sizep, int *vmalloced) +struct hlist_head *nf_ct_alloc_hashtable(int *sizep, int *vmalloced) { struct hlist_head *hash; unsigned int size, i; @@ -992,6 +992,7 @@ static struct hlist_head *alloc_hashtable(int *sizep, int *vmalloced) return hash; } +EXPORT_SYMBOL_GPL(nf_ct_alloc_hashtable); int set_hashsize(const char *val, struct kernel_param *kp) { @@ -1009,7 +1010,7 @@ int set_hashsize(const char *val, struct kernel_param *kp) if (!hashsize) return -EINVAL; - hash = alloc_hashtable(&hashsize, &vmalloced); + hash = nf_ct_alloc_hashtable(&hashsize, &vmalloced); if (!hash) return -ENOMEM; @@ -1037,7 +1038,7 @@ int set_hashsize(const char *val, struct kernel_param *kp) nf_conntrack_hash_rnd = rnd; write_unlock_bh(&nf_conntrack_lock); - free_conntrack_hash(old_hash, old_vmalloced, old_size); + nf_ct_free_hashtable(old_hash, old_vmalloced, old_size); return 0; } @@ -1066,8 +1067,8 @@ int __init nf_conntrack_init(void) * entries. */ max_factor = 4; } - nf_conntrack_hash = alloc_hashtable(&nf_conntrack_htable_size, - &nf_conntrack_vmalloc); + nf_conntrack_hash = nf_ct_alloc_hashtable(&nf_conntrack_htable_size, + &nf_conntrack_vmalloc); if (!nf_conntrack_hash) { printk(KERN_ERR "Unable to create nf_conntrack_hash\n"); goto err_out; @@ -1122,8 +1123,8 @@ out_free_expect_slab: err_free_conntrack_slab: kmem_cache_destroy(nf_conntrack_cachep); err_free_hash: - free_conntrack_hash(nf_conntrack_hash, nf_conntrack_vmalloc, - nf_conntrack_htable_size); + nf_ct_free_hashtable(nf_conntrack_hash, nf_conntrack_vmalloc, + nf_conntrack_htable_size); err_out: return -ENOMEM; } |
