alistair23-linux/include/net/netfilter/nf_tables_ipv6.h
Patrick McHardy 4566bf2706 netfilter: nft_meta: add l4proto support
For L3-proto independant rules we need to get at the L4 protocol value
directly. Add it to the nft_pktinfo struct and use the meta expression
to retrieve it.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2014-01-07 23:57:31 +01:00

34 lines
691 B
C

#ifndef _NF_TABLES_IPV6_H_
#define _NF_TABLES_IPV6_H_
#include <linux/netfilter_ipv6/ip6_tables.h>
#include <net/ipv6.h>
static inline int
nft_set_pktinfo_ipv6(struct nft_pktinfo *pkt,
const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out)
{
int protohdr, thoff = 0;
unsigned short frag_off;
nft_set_pktinfo(pkt, ops, skb, in, out);
protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
/* If malformed, drop it */
if (protohdr < 0)
return -1;
pkt->tprot = protohdr;
pkt->xt.thoff = thoff;
pkt->xt.fragoff = frag_off;
return 0;
}
extern struct nft_af_info nft_af_ipv6;
#endif