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authorFlorian Westphal <fw@strlen.de>2016-11-22 16:44:17 +0300
committerPablo Neira Ayuso <pablo@netfilter.org>2016-12-06 23:42:17 +0300
commit4d31eef5176df06f218201bc9c0ce40babb41660 (patch)
treeeaf55a61ced414ba986204d40fa3e8edf8e306c8 /net/ipv4
parent679972f3bef8df7aa04cc99b46f71392ebf0b5f8 (diff)
downloadlinux-4d31eef5176df06f218201bc9c0ce40babb41660.tar.xz
netfilter: x_tables: pass xt_counters struct instead of packet counter
On SMP we overload the packet counter (unsigned long) to contain percpu offset. Hide this from callers and pass xt_counters address instead. Preparation patch to allocate the percpu counters in page-sized batch chunks. Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/netfilter/arp_tables.c4
-rw-r--r--net/ipv4/netfilter/ip_tables.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 848a0704b28f..019f8e8dda6d 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -439,7 +439,7 @@ find_check_entry(struct arpt_entry *e, const char *name, unsigned int size)
err:
module_put(t->u.kernel.target->me);
out:
- xt_percpu_counter_free(e->counters.pcnt);
+ xt_percpu_counter_free(&e->counters);
return ret;
}
@@ -519,7 +519,7 @@ static inline void cleanup_entry(struct arpt_entry *e)
if (par.target->destroy != NULL)
par.target->destroy(&par);
module_put(par.target->me);
- xt_percpu_counter_free(e->counters.pcnt);
+ xt_percpu_counter_free(&e->counters);
}
/* Checks and translates the user-supplied table segment (held in
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 46815c8a60d7..acc9a0c45bdf 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -582,7 +582,7 @@ find_check_entry(struct ipt_entry *e, struct net *net, const char *name,
cleanup_match(ematch, net);
}
- xt_percpu_counter_free(e->counters.pcnt);
+ xt_percpu_counter_free(&e->counters);
return ret;
}
@@ -670,7 +670,7 @@ cleanup_entry(struct ipt_entry *e, struct net *net)
if (par.target->destroy != NULL)
par.target->destroy(&par);
module_put(par.target->me);
- xt_percpu_counter_free(e->counters.pcnt);
+ xt_percpu_counter_free(&e->counters);
}
/* Checks and translates the user-supplied table segment (held in