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[NETFILTER]: nf_conntrack: add __nf_copy() to copy members in skb

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This unifies the codes to copy netfilter related datas. Note that
__nf_copy() assumes destination skb doesn't have any netfilter
related members.

Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yasuyuki Kozakai
2007-03-14 16:43:37 -07:00
committed by David S. Miller
parent 9b88790972
commit edda553c32
2 changed files with 19 additions and 26 deletions
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17
include/linux/skbuff.h
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@@ -1498,8 +1498,25 @@ static inline void nf_reset(struct sk_buff *skb)
#endif
}
/* Note: This doesn't put any conntrack and bridge info in dst. */
static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src)
{
dst->nfct = src->nfct;
nf_conntrack_get(src->nfct);
dst->nfctinfo = src->nfctinfo;
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
dst->nfct_reasm = src->nfct_reasm;
nf_conntrack_get_reasm(src->nfct_reasm);
#endif
#ifdef CONFIG_BRIDGE_NETFILTER
dst->nf_bridge = src->nf_bridge;
nf_bridge_get(src->nf_bridge);
#endif
}
#else /* CONFIG_NETFILTER */
static inline void nf_reset(struct sk_buff *skb) {}
static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src) {}
#endif /* CONFIG_NETFILTER */
#ifdef CONFIG_NETWORK_SECMARK