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[NETFILTER]: make ipv6_find_hdr() find transport protocol header

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The original ipv6_find_hdr() finds the specified header in IPv6 packets.
This makes it possible to get transport header so that we can kill similar
loop in ip6_match_packet().

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2006-01-05 12:21:16 -08:00 • committed by David S. Miller
parent 1bd9bef6f9
commit b777e0ce74
8 changed files with 49 additions and 75 deletions
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2
include/linux/netfilter_ipv6/ip6_tables.h
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@ -474,7 +474,7 @@ extern unsigned int ip6t_do_table(struct sk_buff **pskb,
extern int ip6t_ext_hdr(u8 nexthdr);
/* find specified header and get offset to it */
extern int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
u8 target);
int target, unsigned short *fragoff);
#define IP6T_ALIGN(s) (((s) + (__alignof__(struct ip6t_entry)-1)) & ~(__alignof__(struct ip6t_entry)-1))