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* [PATCH v2] nf_nat: no IP_NAT_RANGE_MAP_IPS flags when alloc_null_binding()
@ 2010-08-01 14:45 Changli Gao
  2010-08-02 15:41 ` Patrick McHardy
  0 siblings, 1 reply; 3+ messages in thread
From: Changli Gao @ 2010-08-01 14:45 UTC (permalink / raw)
  To: Patrick McHardy; +Cc: David S. Miller, netfilter-devel, netdev, Changli Gao

when alloc_null_binding(), no IP_NAT_RNAGE_MAP_IPS in flags means no IP address
translation is needed. It isn't necessary to specify the address explicitly.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
----
 net/ipv4/netfilter/nf_nat_rule.c |   17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index ebbd319..21c3042 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -106,16 +106,15 @@ alloc_null_binding(struct nf_conn *ct, unsigned int hooknum)
 {
 	/* Force range to this IP; let proto decide mapping for
 	   per-proto parts (hence not IP_NAT_RANGE_PROTO_SPECIFIED).
-	   Use reply in case it's already been mangled (eg local packet).
 	*/
-	__be32 ip
-		= (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC
-		   ? ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip
-		   : ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip);
-	struct nf_nat_range range
-		= { IP_NAT_RANGE_MAP_IPS, ip, ip, { 0 }, { 0 } };
-
-	pr_debug("Allocating NULL binding for %p (%pI4)\n", ct, &ip);
+	struct nf_nat_range range;
+
+	range.flags = 0;
+	pr_debug("Allocating NULL binding for %p (%pI4)\n", ct,
+		 HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC ?
+		 &ct->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u3.ip :
+		 &ct->tuplehash[IP_CT_DIR_REPLY].tuple.src.u3.ip);
+
 	return nf_nat_setup_info(ct, &range, HOOK2MANIP(hooknum));
 }
 

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] nf_nat: no IP_NAT_RANGE_MAP_IPS flags when alloc_null_binding()
  2010-08-01 14:45 [PATCH v2] nf_nat: no IP_NAT_RANGE_MAP_IPS flags when alloc_null_binding() Changli Gao
@ 2010-08-02 15:41 ` Patrick McHardy
  2010-08-02 22:01   ` Changli Gao
  0 siblings, 1 reply; 3+ messages in thread
From: Patrick McHardy @ 2010-08-02 15:41 UTC (permalink / raw)
  To: Changli Gao; +Cc: David S. Miller, netfilter-devel, netdev

On 01.08.2010 16:45, Changli Gao wrote:
> when alloc_null_binding(), no IP_NAT_RNAGE_MAP_IPS in flags means no IP address
> translation is needed. It isn't necessary to specify the address explicitly.

When sending updated patches, you have to tell people what has changed.

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] nf_nat: no IP_NAT_RANGE_MAP_IPS flags when alloc_null_binding()
  2010-08-02 15:41 ` Patrick McHardy
@ 2010-08-02 22:01   ` Changli Gao
  0 siblings, 0 replies; 3+ messages in thread
From: Changli Gao @ 2010-08-02 22:01 UTC (permalink / raw)
  To: Patrick McHardy; +Cc: David S. Miller, netfilter-devel, netdev

On Mon, Aug 2, 2010 at 11:41 PM, Patrick McHardy <kaber@trash.net> wrote:
> On 01.08.2010 16:45, Changli Gao wrote:
>> when alloc_null_binding(), no IP_NAT_RNAGE_MAP_IPS in flags means no IP address
>> translation is needed. It isn't necessary to specify the address explicitly.
>
> When sending updated patches, you have to tell people what has changed.
>

The previous one initializes the whole structure range to 0, and this
one only initializes the field flags to 0.

-- 
Regards,
Changli Gao(xiaosuo@gmail.com)

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2010-08-02 22:01 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2010-08-01 14:45 [PATCH v2] nf_nat: no IP_NAT_RANGE_MAP_IPS flags when alloc_null_binding() Changli Gao
2010-08-02 15:41 ` Patrick McHardy
2010-08-02 22:01   ` Changli Gao

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