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[NETFILTER]: nf_conntrack: kill unique ID

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Remove the per-conntrack ID, its not necessary anymore for dumping.
For compatiblity reasons we send the address of the conntrack to
userspace as ID.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-09-28 14:41:27 -07:00 committed by David S. Miller
parent 2b5c841f2c
commit 7f85f91472
3 changed files with 2 additions and 7 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
include/net/netfilter/nf_conntrack.h
View file

@ -116,9 +116,6 @@ struct nf_conn
struct ip_conntrack_counter counters[IP_CT_DIR_MAX]; struct ip_conntrack_counter counters[IP_CT_DIR_MAX];
#endif #endif
/* Unique ID that identifies this conntrack*/
unsigned int id;
#if defined(CONFIG_NF_CONNTRACK_MARK) #if defined(CONFIG_NF_CONNTRACK_MARK)
u_int32_t mark; u_int32_t mark;
#endif #endif

2
net/netfilter/nf_conntrack_core.c
View file

@ -63,7 +63,6 @@ unsigned int nf_ct_log_invalid __read_mostly;
HLIST_HEAD(unconfirmed); HLIST_HEAD(unconfirmed);
static int nf_conntrack_vmalloc __read_mostly; static int nf_conntrack_vmalloc __read_mostly;
static struct kmem_cache *nf_conntrack_cachep __read_mostly; static struct kmem_cache *nf_conntrack_cachep __read_mostly;
static unsigned int nf_conntrack_next_id;
DEFINE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat); DEFINE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
EXPORT_PER_CPU_SYMBOL(nf_conntrack_stat); EXPORT_PER_CPU_SYMBOL(nf_conntrack_stat);
@ -287,7 +286,6 @@ static void __nf_conntrack_hash_insert(struct nf_conn *ct,
unsigned int hash, unsigned int hash,
unsigned int repl_hash) unsigned int repl_hash)
{ {
ct->id = ++nf_conntrack_next_id;
hlist_add_head(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnode, hlist_add_head(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnode,
&nf_conntrack_hash[hash]); &nf_conntrack_hash[hash]);
hlist_add_head(&ct->tuplehash[IP_CT_DIR_REPLY].hnode, hlist_add_head(&ct->tuplehash[IP_CT_DIR_REPLY].hnode,

4
net/netfilter/nf_conntrack_netlink.c
View file

@ -257,7 +257,7 @@ ctnetlink_dump_mark(struct sk_buff *skb, const struct nf_conn *ct)
static inline int static inline int
ctnetlink_dump_id(struct sk_buff *skb, const struct nf_conn *ct) ctnetlink_dump_id(struct sk_buff *skb, const struct nf_conn *ct)
{ {
__be32 id = htonl(ct->id); __be32 id = htonl((unsigned long)ct);
NLA_PUT(skb, CTA_ID, sizeof(u_int32_t), &id); NLA_PUT(skb, CTA_ID, sizeof(u_int32_t), &id);
return 0; return 0;
@ -723,7 +723,7 @@ ctnetlink_del_conntrack(struct sock *ctnl, struct sk_buff *skb,
if (cda[CTA_ID]) { if (cda[CTA_ID]) {
u_int32_t id = ntohl(*(__be32 *)nla_data(cda[CTA_ID])); u_int32_t id = ntohl(*(__be32 *)nla_data(cda[CTA_ID]));
if (ct->id != id) { if (id != (u32)(unsigned long)ct) {
nf_ct_put(ct); nf_ct_put(ct);
return -ENOENT; return -ENOENT;
} }