netfilter: 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@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 1 insertions, 3 deletions

diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index dc41d6d3c6c6..33113c1ea02f 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);