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[NETFILTER]: nf_conntrack: Introduces nf_ct_get_tuplepr and uses it

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nf_ct_get_tuple() requires the offset to transport header and that bothers
callers such as icmp[v6] l4proto modules. This introduces new function
to simplify them.

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
2007-07-14 20:45:14 -07:00
committed by David S. Miller
parent ffc3069048
commit e2a3123fbe
4 changed files with 49 additions and 59 deletions
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4
include/net/netfilter/nf_conntrack.h
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@@ -186,6 +186,10 @@ extern void nf_conntrack_hash_insert(struct nf_conn *ct);
extern void nf_conntrack_flush(void);
extern int nf_ct_get_tuplepr(const struct sk_buff *skb,
unsigned int nhoff,
u_int16_t l3num,
struct nf_conntrack_tuple *tuple);
extern int nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse,
const struct nf_conntrack_tuple *orig);