projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f01ffbd6 PM |
1 | #ifndef _NF_LOG_H |
| 2 | #define _NF_LOG_H | |
| 3 | ||
| ca735b3a EL |
4 | #include <linux/netfilter.h> |
| 5 | ||
| f01ffbd6 PM |
6 | /* those NF_LOG_* defines and struct nf_loginfo are legacy definitios that will |
| 7 | * disappear once iptables is replaced with pkttables. Please DO NOT use them | |
| 8 | * for any new code! */ | |
| 9 | #define NF_LOG_TCPSEQ 0x01 /* Log TCP sequence numbers */ | |
| 10 | #define NF_LOG_TCPOPT 0x02 /* Log TCP options */ | |
| 11 | #define NF_LOG_IPOPT 0x04 /* Log IP options */ | |
| 12 | #define NF_LOG_UID 0x08 /* Log UID owning local socket */ | |
| 13 | #define NF_LOG_MASK 0x0f | |
| 14 | ||
| 5962815a PNA |
15 | enum nf_log_type { |
| 16 | NF_LOG_TYPE_LOG = 0, | |
| 17 | NF_LOG_TYPE_ULOG, | |
| 18 | NF_LOG_TYPE_MAX | |
| 19 | }; | |
| f01ffbd6 PM |
20 | |
| 21 | struct nf_loginfo { | |
| 22 | u_int8_t type; | |
| 23 | union { | |
| 24 | struct { | |
| 25 | u_int32_t copy_len; | |
| 26 | u_int16_t group; | |
| 27 | u_int16_t qthreshold; | |
| 28 | } ulog; | |
| 29 | struct { | |
| 30 | u_int8_t level; | |
| 31 | u_int8_t logflags; | |
| 32 | } log; | |
| 33 | } u; | |
| 34 | }; | |
| 35 | ||
| 8cdb46da HS |
36 | typedef void nf_logfn(struct net *net, |
| 37 | u_int8_t pf, | |
| f01ffbd6 PM |
38 | unsigned int hooknum, |
| 39 | const struct sk_buff *skb, | |
| 40 | const struct net_device *in, | |
| 41 | const struct net_device *out, | |
| 42 | const struct nf_loginfo *li, | |
| 43 | const char *prefix); | |
| 44 | ||
| 45 | struct nf_logger { | |
| 5962815a PNA |
46 | char *name; |
| 47 | enum nf_log_type type; | |
| 48 | nf_logfn *logfn; | |
| 49 | struct module *me; | |
| f01ffbd6 PM |
50 | }; |
| 51 | ||
| 52 | /* Function to register/unregister log function. */ | |
| ca735b3a EL |
53 | int nf_log_register(u_int8_t pf, struct nf_logger *logger); |
| 54 | void nf_log_unregister(struct nf_logger *logger); | |
| 55 | ||
| 30e0c6a6 G |
56 | void nf_log_set(struct net *net, u_int8_t pf, |
| 57 | const struct nf_logger *logger); | |
| 58 | void nf_log_unset(struct net *net, const struct nf_logger *logger); | |
| 59 | ||
| 60 | int nf_log_bind_pf(struct net *net, u_int8_t pf, | |
| 61 | const struct nf_logger *logger); | |
| 62 | void nf_log_unbind_pf(struct net *net, u_int8_t pf); | |
| f01ffbd6 PM |
63 | |
| 64 | /* Calls the registered backend logging function */ | |
| 30e0c6a6 G |
65 | __printf(8, 9) |
| 66 | void nf_log_packet(struct net *net, | |
| 67 | u_int8_t pf, | |
| f01ffbd6 PM |
68 | unsigned int hooknum, |
| 69 | const struct sk_buff *skb, | |
| 70 | const struct net_device *in, | |
| 71 | const struct net_device *out, | |
| 7b2f9631 | 72 | const struct nf_loginfo *li, |
| b9075fa9 | 73 | const char *fmt, ...); |
| f01ffbd6 PM |
74 | |
| 75 | #endif /* _NF_LOG_H */ |