netdev - [PATCH] ip6tables: use skb->len for accounting

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Message-Id: <1279855877-8945-1-git-send-email-xiaosuo@gmail.com>
Date:	Fri, 23 Jul 2010 11:31:17 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Patrick McHardy <kaber@...sh.net>,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	"Pekka Savola (ipv6)" <pekkas@...core.fi>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] ip6tables: use skb->len for accounting

ip6tables: use skb->len for accounting

ipv6_hdr(skb)->payload_len is ZERO and can't be used for accounting, if the
payload is a Jumbo Payload specified in RFC2675.

Signed-off-by: Changli Gao <xiaosuo@...il.com>
----
 net/ipv6/netfilter/ip6_tables.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index dc41d6d..33113c1 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -387,9 +387,7 @@ ip6t_do_table(struct sk_buff *skb,
 				goto no_match;
 		}
 
-		ADD_COUNTER(e->counters,
-			    ntohs(ipv6_hdr(skb)->payload_len) +
-			    sizeof(struct ipv6hdr), 1);
+		ADD_COUNTER(e->counters, skb->len, 1);
 
 		t = ip6t_get_target_c(e);
 		IP_NF_ASSERT(t->u.kernel.target);
--
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