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/* Minor modifications to fit on compatibility framework:
Rusty.Russell@rustcorp.com.au
*/
#ifndef __LINUX_FIREWALL_H
#define __LINUX_FIREWALL_H
/*
* Definitions for loadable firewall modules
*/
#define FW_QUEUE 0
#define FW_BLOCK 1
#define FW_ACCEPT 2
#define FW_REJECT (-1)
#define FW_REDIRECT 3
#define FW_MASQUERADE 4
#define FW_SKIP 5
struct firewall_ops
{
struct firewall_ops *next;
int (*fw_forward)(struct firewall_ops *this, int pf,
struct net_device *dev, void *phdr, void *arg,
struct sk_buff **pskb);
int (*fw_input)(struct firewall_ops *this, int pf,
struct net_device *dev, void *phdr, void *arg,
struct sk_buff **pskb);
int (*fw_output)(struct firewall_ops *this, int pf,
struct net_device *dev, void *phdr, void *arg,
struct sk_buff **pskb);
/* These may be NULL. */
int (*fw_acct_in)(struct firewall_ops *this, int pf,
struct net_device *dev, void *phdr, void *arg,
struct sk_buff **pskb);
int (*fw_acct_out)(struct firewall_ops *this, int pf,
struct net_device *dev, void *phdr, void *arg,
struct sk_buff **pskb);
};
extern int register_firewall(int pf, struct firewall_ops *fw);
extern int unregister_firewall(int pf, struct firewall_ops *fw);
extern int ip_fw_masq_timeouts(void *user, int len);
#endif /* __LINUX_FIREWALL_H */
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