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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 423 | giacomo | 1 | /* Minor modifications to fit on compatibility framework: |
| 2 | Rusty.Russell@rustcorp.com.au |
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| 3 | */ |
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| 4 | |||
| 5 | #ifndef __LINUX_FIREWALL_H |
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| 6 | #define __LINUX_FIREWALL_H |
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| 7 | |||
| 8 | /* |
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| 9 | * Definitions for loadable firewall modules |
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| 10 | */ |
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| 11 | |||
| 12 | #define FW_QUEUE 0 |
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| 13 | #define FW_BLOCK 1 |
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| 14 | #define FW_ACCEPT 2 |
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| 15 | #define FW_REJECT (-1) |
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| 16 | #define FW_REDIRECT 3 |
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| 17 | #define FW_MASQUERADE 4 |
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| 18 | #define FW_SKIP 5 |
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| 19 | |||
| 20 | struct firewall_ops |
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| 21 | { |
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| 22 | struct firewall_ops *next; |
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| 23 | int (*fw_forward)(struct firewall_ops *this, int pf, |
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| 24 | struct net_device *dev, void *arg, |
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| 25 | struct sk_buff **pskb); |
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| 26 | int (*fw_input)(struct firewall_ops *this, int pf, |
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| 27 | struct net_device *dev, void *arg, |
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| 28 | struct sk_buff **pskb); |
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| 29 | int (*fw_output)(struct firewall_ops *this, int pf, |
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| 30 | struct net_device *dev, void *arg, |
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| 31 | struct sk_buff **pskb); |
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| 32 | /* These may be NULL. */ |
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| 33 | int (*fw_acct_in)(struct firewall_ops *this, int pf, |
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| 34 | struct net_device *dev, void *arg, |
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| 35 | struct sk_buff **pskb); |
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| 36 | int (*fw_acct_out)(struct firewall_ops *this, int pf, |
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| 37 | struct net_device *dev, void *arg, |
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| 38 | struct sk_buff **pskb); |
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| 39 | }; |
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| 40 | |||
| 41 | extern int register_firewall(int pf, struct firewall_ops *fw); |
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| 42 | extern int unregister_firewall(int pf, struct firewall_ops *fw); |
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| 43 | |||
| 44 | extern int ip_fw_masq_timeouts(void *user, int len); |
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| 45 | #endif /* __LINUX_FIREWALL_H */ |