| Patrick McHardy | c7232c9 | 2012-08-26 19:14:06 +0200 | [diff] [blame] | 1 | #ifndef _NF_NAT_L3PROTO_H |
| 2 | #define _NF_NAT_L3PROTO_H |
| 3 | |
| 4 | struct nf_nat_l4proto; |
| 5 | struct nf_nat_l3proto { |
| 6 | u8 l3proto; |
| 7 | |
| 8 | bool (*in_range)(const struct nf_conntrack_tuple *t, |
| 9 | const struct nf_nat_range *range); |
| 10 | |
| 11 | u32 (*secure_port)(const struct nf_conntrack_tuple *t, __be16); |
| 12 | |
| 13 | bool (*manip_pkt)(struct sk_buff *skb, |
| 14 | unsigned int iphdroff, |
| 15 | const struct nf_nat_l4proto *l4proto, |
| 16 | const struct nf_conntrack_tuple *target, |
| 17 | enum nf_nat_manip_type maniptype); |
| 18 | |
| 19 | void (*csum_update)(struct sk_buff *skb, unsigned int iphdroff, |
| 20 | __sum16 *check, |
| 21 | const struct nf_conntrack_tuple *t, |
| 22 | enum nf_nat_manip_type maniptype); |
| 23 | |
| 24 | void (*csum_recalc)(struct sk_buff *skb, u8 proto, |
| 25 | void *data, __sum16 *check, |
| 26 | int datalen, int oldlen); |
| 27 | |
| 28 | void (*decode_session)(struct sk_buff *skb, |
| 29 | const struct nf_conn *ct, |
| 30 | enum ip_conntrack_dir dir, |
| 31 | unsigned long statusbit, |
| 32 | struct flowi *fl); |
| 33 | |
| 34 | int (*nlattr_to_range)(struct nlattr *tb[], |
| 35 | struct nf_nat_range *range); |
| 36 | }; |
| 37 | |
| Joe Perches | 4e77be4 | 2013-09-23 11:37:48 -0700 | [diff] [blame] | 38 | int nf_nat_l3proto_register(const struct nf_nat_l3proto *); |
| 39 | void nf_nat_l3proto_unregister(const struct nf_nat_l3proto *); |
| 40 | const struct nf_nat_l3proto *__nf_nat_l3proto_find(u8 l3proto); |
| Patrick McHardy | c7232c9 | 2012-08-26 19:14:06 +0200 | [diff] [blame] | 41 | |
| Joe Perches | 4e77be4 | 2013-09-23 11:37:48 -0700 | [diff] [blame] | 42 | int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct, |
| 43 | enum ip_conntrack_info ctinfo, |
| 44 | unsigned int hooknum); |
| Pablo Neira Ayuso | 30766f4 | 2014-08-05 20:02:42 +0200 | [diff] [blame] | 45 | |
| 46 | unsigned int nf_nat_ipv4_in(const struct nf_hook_ops *ops, struct sk_buff *skb, |
| 47 | const struct net_device *in, |
| 48 | const struct net_device *out, |
| 49 | unsigned int (*do_chain)(const struct nf_hook_ops *ops, |
| 50 | struct sk_buff *skb, |
| 51 | const struct net_device *in, |
| 52 | const struct net_device *out, |
| 53 | struct nf_conn *ct)); |
| 54 | |
| 55 | unsigned int nf_nat_ipv4_out(const struct nf_hook_ops *ops, struct sk_buff *skb, |
| 56 | const struct net_device *in, |
| 57 | const struct net_device *out, |
| 58 | unsigned int (*do_chain)(const struct nf_hook_ops *ops, |
| 59 | struct sk_buff *skb, |
| 60 | const struct net_device *in, |
| 61 | const struct net_device *out, |
| 62 | struct nf_conn *ct)); |
| 63 | |
| 64 | unsigned int nf_nat_ipv4_local_fn(const struct nf_hook_ops *ops, |
| 65 | struct sk_buff *skb, |
| 66 | const struct net_device *in, |
| 67 | const struct net_device *out, |
| 68 | unsigned int (*do_chain)(const struct nf_hook_ops *ops, |
| 69 | struct sk_buff *skb, |
| 70 | const struct net_device *in, |
| 71 | const struct net_device *out, |
| 72 | struct nf_conn *ct)); |
| 73 | |
| 74 | unsigned int nf_nat_ipv4_fn(const struct nf_hook_ops *ops, struct sk_buff *skb, |
| 75 | const struct net_device *in, |
| 76 | const struct net_device *out, |
| 77 | unsigned int (*do_chain)(const struct nf_hook_ops *ops, |
| 78 | struct sk_buff *skb, |
| 79 | const struct net_device *in, |
| 80 | const struct net_device *out, |
| 81 | struct nf_conn *ct)); |
| 82 | |
| Joe Perches | 4e77be4 | 2013-09-23 11:37:48 -0700 | [diff] [blame] | 83 | int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct, |
| 84 | enum ip_conntrack_info ctinfo, |
| 85 | unsigned int hooknum, unsigned int hdrlen); |
| Patrick McHardy | c7232c9 | 2012-08-26 19:14:06 +0200 | [diff] [blame] | 86 | |
| Pablo Neira Ayuso | 2a5538e | 2014-08-25 12:05:27 +0200 | [diff] [blame^] | 87 | unsigned int nf_nat_ipv6_in(const struct nf_hook_ops *ops, struct sk_buff *skb, |
| 88 | const struct net_device *in, |
| 89 | const struct net_device *out, |
| 90 | unsigned int (*do_chain)(const struct nf_hook_ops *ops, |
| 91 | struct sk_buff *skb, |
| 92 | const struct net_device *in, |
| 93 | const struct net_device *out, |
| 94 | struct nf_conn *ct)); |
| 95 | |
| 96 | unsigned int nf_nat_ipv6_out(const struct nf_hook_ops *ops, struct sk_buff *skb, |
| 97 | const struct net_device *in, |
| 98 | const struct net_device *out, |
| 99 | unsigned int (*do_chain)(const struct nf_hook_ops *ops, |
| 100 | struct sk_buff *skb, |
| 101 | const struct net_device *in, |
| 102 | const struct net_device *out, |
| 103 | struct nf_conn *ct)); |
| 104 | |
| 105 | unsigned int nf_nat_ipv6_local_fn(const struct nf_hook_ops *ops, |
| 106 | struct sk_buff *skb, |
| 107 | const struct net_device *in, |
| 108 | const struct net_device *out, |
| 109 | unsigned int (*do_chain)(const struct nf_hook_ops *ops, |
| 110 | struct sk_buff *skb, |
| 111 | const struct net_device *in, |
| 112 | const struct net_device *out, |
| 113 | struct nf_conn *ct)); |
| 114 | |
| 115 | unsigned int nf_nat_ipv6_fn(const struct nf_hook_ops *ops, struct sk_buff *skb, |
| 116 | const struct net_device *in, |
| 117 | const struct net_device *out, |
| 118 | unsigned int (*do_chain)(const struct nf_hook_ops *ops, |
| 119 | struct sk_buff *skb, |
| 120 | const struct net_device *in, |
| 121 | const struct net_device *out, |
| 122 | struct nf_conn *ct)); |
| 123 | |
| Patrick McHardy | c7232c9 | 2012-08-26 19:14:06 +0200 | [diff] [blame] | 124 | #endif /* _NF_NAT_L3PROTO_H */ |