alistair23-linux/include/linux/netfilter_ipv4.h
Pablo Neira Ayuso 7db9a51e0f netfilter: remove saveroute indirection in struct nf_afinfo
This is only used by nf_queue.c and this function comes with no symbol
dependencies with IPv6, it just refers to structure layouts. Therefore,
we can replace it by a direct function call from where it belongs.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-01-08 18:01:25 +01:00

44 lines
1.1 KiB
C

/* IPv4-specific defines for netfilter.
* (C)1998 Rusty Russell -- This code is GPL.
*/
#ifndef __LINUX_IP_NETFILTER_H
#define __LINUX_IP_NETFILTER_H
#include <uapi/linux/netfilter_ipv4.h>
/* Extra routing may needed on local out, as the QUEUE target never returns
* control to the table.
*/
struct ip_rt_info {
__be32 daddr;
__be32 saddr;
u_int8_t tos;
u_int32_t mark;
};
int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned addr_type);
#ifdef CONFIG_INET
__sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, u_int8_t protocol);
__sum16 nf_ip_checksum_partial(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, unsigned int len,
u_int8_t protocol);
#else
static inline __sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, u_int8_t protocol)
{
return 0;
}
static inline __sum16 nf_ip_checksum_partial(struct sk_buff *skb,
unsigned int hook,
unsigned int dataoff,
unsigned int len,
u_int8_t protocol)
{
return 0;
}
#endif /* CONFIG_INET */
#endif /*__LINUX_IP_NETFILTER_H*/