diff options
| author | Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> | 2007-03-14 16:43:37 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:25:54 -0700 |
| commit | edda553c324bdc5bb5c2d553b524cab37058a855 (patch) | |
| tree | 04b041d20e685e2d7dab1dad41419af0360aa312 | |
| parent | 9b88790972498d235a2a4d2b66640c3c5b70bb7c (diff) | |
| download | lwn-edda553c324bdc5bb5c2d553b524cab37058a855.tar.gz lwn-edda553c324bdc5bb5c2d553b524cab37058a855.zip | |
[NETFILTER]: nf_conntrack: add __nf_copy() to copy members in skb
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>
| -rw-r--r-- | include/linux/skbuff.h | 17 | ||||
| -rw-r--r-- | net/core/skbuff.c | 28 |
2 files changed, 19 insertions, 26 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 39a6da243b24..62ab1ab07028 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -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 diff --git a/net/core/skbuff.c b/net/core/skbuff.c index b242020c02f7..408cc99af6b3 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -422,19 +422,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) C(protocol); n->destructor = NULL; C(mark); -#ifdef CONFIG_NETFILTER - C(nfct); - nf_conntrack_get(skb->nfct); - C(nfctinfo); -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) - C(nfct_reasm); - nf_conntrack_get_reasm(skb->nfct_reasm); -#endif -#ifdef CONFIG_BRIDGE_NETFILTER - C(nf_bridge); - nf_bridge_get(skb->nf_bridge); -#endif -#endif /*CONFIG_NETFILTER*/ + __nf_copy(n, skb); #ifdef CONFIG_NET_SCHED C(tc_index); #ifdef CONFIG_NET_CLS_ACT @@ -483,22 +471,10 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) new->tstamp = old->tstamp; new->destructor = NULL; new->mark = old->mark; -#ifdef CONFIG_NETFILTER - new->nfct = old->nfct; - nf_conntrack_get(old->nfct); - new->nfctinfo = old->nfctinfo; -#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) - new->nfct_reasm = old->nfct_reasm; - nf_conntrack_get_reasm(old->nfct_reasm); -#endif + __nf_copy(new, old); #if defined(CONFIG_IP_VS) || defined(CONFIG_IP_VS_MODULE) new->ipvs_property = old->ipvs_property; #endif -#ifdef CONFIG_BRIDGE_NETFILTER - new->nf_bridge = old->nf_bridge; - nf_bridge_get(old->nf_bridge); -#endif -#endif #ifdef CONFIG_NET_SCHED #ifdef CONFIG_NET_CLS_ACT new->tc_verd = old->tc_verd; |