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netfilter: netns nf_conntrack: per-netns conntrack hash

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* make per-netns conntrack hash

  Other solution is to add ->ct_net pointer to tuplehashes and still has one
  hash, I tried that it's ugly and requires more code deep down in protocol
  modules et al.

* propagate netns pointer to where needed, e. g. to conntrack iterators.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Alexey Dobriyan
2008-10-08 11:35:03 +02:00
committed by Patrick McHardy
parent 49ac8713b6
commit 400dad39d1
16 changed files with 67 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/net/netfilter/nf_conntrack.h
View File

@ -195,11 +195,11 @@ extern void nf_ct_free_hashtable(struct hlist_head *hash, int vmalloced,
unsigned int size);
extern struct nf_conntrack_tuple_hash *
__nf_conntrack_find(const struct nf_conntrack_tuple *tuple);
__nf_conntrack_find(struct net *net, const struct nf_conntrack_tuple *tuple);
extern void nf_conntrack_hash_insert(struct nf_conn *ct);
extern void nf_conntrack_flush(void);
extern void nf_conntrack_flush(struct net *net);
extern bool nf_ct_get_tuplepr(const struct sk_buff *skb,
unsigned int nhoff, u_int16_t l3num,
@ -261,7 +261,7 @@ extern struct nf_conn nf_conntrack_untracked;
/* Iterate over all conntracks: if iter returns true, it's deleted. */
extern void
nf_ct_iterate_cleanup(int (*iter)(struct nf_conn *i, void *data), void *data);
nf_ct_iterate_cleanup(struct net *net, int (*iter)(struct nf_conn *i, void *data), void *data);
extern void nf_conntrack_free(struct nf_conn *ct);
extern struct nf_conn *
nf_conntrack_alloc(struct net *net,

3
include/net/netfilter/nf_conntrack_core.h
View File

@ -48,7 +48,7 @@ nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
/* Find a connection corresponding to a tuple. */
extern struct nf_conntrack_tuple_hash *
nf_conntrack_find_get(const struct nf_conntrack_tuple *tuple);
nf_conntrack_find_get(struct net *net, const struct nf_conntrack_tuple *tuple);
extern int __nf_conntrack_confirm(struct sk_buff *skb);
@ -71,7 +71,6 @@ print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple,
const struct nf_conntrack_l3proto *l3proto,
const struct nf_conntrack_l4proto *proto);
extern struct hlist_head *nf_conntrack_hash;
extern spinlock_t nf_conntrack_lock ;
extern struct hlist_head unconfirmed;