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authorJozsef Kadlecsik <kadlec@blackhole.kfki.hu>2007-07-08 07:21:23 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-11 07:17:14 +0200
commitba9dda3ab5a865542e69dfe01edb2436857c9420 (patch)
tree93f92442a8ad134d78b4d7cd8dc74e089baef3d7 /net/core
parent[NETFILTER]: Add u32 match (diff)
downloadlinux-ba9dda3ab5a865542e69dfe01edb2436857c9420.tar.xz
linux-ba9dda3ab5a865542e69dfe01edb2436857c9420.zip
[NETFILTER]: x_tables: add TRACE target
The TRACE target can be used to follow IP and IPv6 packets through the ruleset. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Patrick NcHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/skbuff.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 6a41b96b3d37..0583e8498f13 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -428,6 +428,10 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
n->destructor = NULL;
C(mark);
__nf_copy(n, skb);
+#if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
+ defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
+ C(nf_trace);
+#endif
#ifdef CONFIG_NET_SCHED
C(tc_index);
#ifdef CONFIG_NET_CLS_ACT
@@ -485,6 +489,10 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
new->destructor = NULL;
new->mark = old->mark;
__nf_copy(new, old);
+#if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
+ defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
+ new->nf_trace = old->nf_trace;
+#endif
#if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE)
new->ipvs_property = old->ipvs_property;
#endif