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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-11 09:33:18 -0700
commit4dd9ec4946b4651a295d3bc8df9c15ac692a8f4e (patch)
treeafb300c752de7175bb2df4722d5c857e070c75d9 /net/netfilter/nf_conntrack_ecache.c
parent86ed5a93b8b56e4e0877b914af0e10883a196384 (diff)
parent6861ff35ec5b60fafaf8651754c9a75142bfa9a4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1075 commits) myri10ge: update driver version number to 1.4.3-1.369 r8169: add shutdown handler r8169: preliminary 8168d support r8169: support additional 8168cp chipset r8169: change default behavior for mildly identified 8168c chipsets r8169: add a new 8168cp flavor r8169: add a new 8168c flavor (bis) r8169: add a new 8168c flavor r8169: sync existing 8168 device hardware start sequences with vendor driver r8169: 8168b Tx performance tweak r8169: make room for more specific 8168 hardware start procedure r8169: shuffle some registers handling around (8168 operation only) r8169: new phy init parameters for the 8168b r8169: update phy init parameters r8169: wake up the PHY of the 8168 af_key: fix SADB_X_SPDDELETE response ath9k: Fix return code when ath9k_hw_setpower() fails on reset ath9k: remove nasty FAIL macro from ath9k_hw_reset() gre: minor cleanups in netlink interface gre: fix copy and paste error ...
Diffstat (limited to 'net/netfilter/nf_conntrack_ecache.c')
-rw-r--r--net/netfilter/nf_conntrack_ecache.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c
index 83c41ac3505..a5f5e2e65d1 100644
--- a/net/netfilter/nf_conntrack_ecache.c
+++ b/net/netfilter/nf_conntrack_ecache.c
@@ -29,9 +29,6 @@ EXPORT_SYMBOL_GPL(nf_conntrack_chain);
ATOMIC_NOTIFIER_HEAD(nf_ct_expect_chain);
EXPORT_SYMBOL_GPL(nf_ct_expect_chain);
-DEFINE_PER_CPU(struct nf_conntrack_ecache, nf_conntrack_ecache);
-EXPORT_PER_CPU_SYMBOL_GPL(nf_conntrack_ecache);
-
/* deliver cached events and clear cache entry - must be called with locally
* disabled softirqs */
static inline void
@@ -51,10 +48,11 @@ __nf_ct_deliver_cached_events(struct nf_conntrack_ecache *ecache)
* by code prior to async packet handling for freeing the skb */
void nf_ct_deliver_cached_events(const struct nf_conn *ct)
{
+ struct net *net = nf_ct_net(ct);
struct nf_conntrack_ecache *ecache;
local_bh_disable();
- ecache = &__get_cpu_var(nf_conntrack_ecache);
+ ecache = per_cpu_ptr(net->ct.ecache, raw_smp_processor_id());
if (ecache->ct == ct)
__nf_ct_deliver_cached_events(ecache);
local_bh_enable();
@@ -64,10 +62,11 @@ EXPORT_SYMBOL_GPL(nf_ct_deliver_cached_events);
/* Deliver cached events for old pending events, if current conntrack != old */
void __nf_ct_event_cache_init(struct nf_conn *ct)
{
+ struct net *net = nf_ct_net(ct);
struct nf_conntrack_ecache *ecache;
/* take care of delivering potentially old events */
- ecache = &__get_cpu_var(nf_conntrack_ecache);
+ ecache = per_cpu_ptr(net->ct.ecache, raw_smp_processor_id());
BUG_ON(ecache->ct == ct);
if (ecache->ct)
__nf_ct_deliver_cached_events(ecache);
@@ -79,18 +78,31 @@ EXPORT_SYMBOL_GPL(__nf_ct_event_cache_init);
/* flush the event cache - touches other CPU's data and must not be called
* while packets are still passing through the code */
-void nf_ct_event_cache_flush(void)
+void nf_ct_event_cache_flush(struct net *net)
{
struct nf_conntrack_ecache *ecache;
int cpu;
for_each_possible_cpu(cpu) {
- ecache = &per_cpu(nf_conntrack_ecache, cpu);
+ ecache = per_cpu_ptr(net->ct.ecache, cpu);
if (ecache->ct)
nf_ct_put(ecache->ct);
}
}
+int nf_conntrack_ecache_init(struct net *net)
+{
+ net->ct.ecache = alloc_percpu(struct nf_conntrack_ecache);
+ if (!net->ct.ecache)
+ return -ENOMEM;
+ return 0;
+}
+
+void nf_conntrack_ecache_fini(struct net *net)
+{
+ free_percpu(net->ct.ecache);
+}
+
int nf_conntrack_register_notifier(struct notifier_block *nb)
{
return atomic_notifier_chain_register(&nf_conntrack_chain, nb);