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-rw-r--r--include/net/netfilter/nf_log.h42
1 files changed, 36 insertions, 6 deletions
diff --git a/include/net/netfilter/nf_log.h b/include/net/netfilter/nf_log.h
index 99eac12d040b..534e1f2ac4fc 100644
--- a/include/net/netfilter/nf_log.h
+++ b/include/net/netfilter/nf_log.h
@@ -12,8 +12,11 @@
#define NF_LOG_UID 0x08 /* Log UID owning local socket */
#define NF_LOG_MASK 0x0f
-#define NF_LOG_TYPE_LOG 0x01
-#define NF_LOG_TYPE_ULOG 0x02
+enum nf_log_type {
+ NF_LOG_TYPE_LOG = 0,
+ NF_LOG_TYPE_ULOG,
+ NF_LOG_TYPE_MAX
+};
struct nf_loginfo {
u_int8_t type;
@@ -40,10 +43,10 @@ typedef void nf_logfn(struct net *net,
const char *prefix);
struct nf_logger {
- struct module *me;
- nf_logfn *logfn;
- char *name;
- struct list_head list[NFPROTO_NUMPROTO];
+ char *name;
+ enum nf_log_type type;
+ nf_logfn *logfn;
+ struct module *me;
};
/* Function to register/unregister log function. */
@@ -58,6 +61,13 @@ int nf_log_bind_pf(struct net *net, u_int8_t pf,
const struct nf_logger *logger);
void nf_log_unbind_pf(struct net *net, u_int8_t pf);
+int nf_logger_find_get(int pf, enum nf_log_type type);
+void nf_logger_put(int pf, enum nf_log_type type);
+void nf_logger_request_module(int pf, enum nf_log_type type);
+
+#define MODULE_ALIAS_NF_LOGGER(family, type) \
+ MODULE_ALIAS("nf-logger-" __stringify(family) "-" __stringify(type))
+
/* Calls the registered backend logging function */
__printf(8, 9)
void nf_log_packet(struct net *net,
@@ -69,4 +79,24 @@ void nf_log_packet(struct net *net,
const struct nf_loginfo *li,
const char *fmt, ...);
+struct nf_log_buf;
+
+struct nf_log_buf *nf_log_buf_open(void);
+__printf(2, 3) int nf_log_buf_add(struct nf_log_buf *m, const char *f, ...);
+void nf_log_buf_close(struct nf_log_buf *m);
+
+/* common logging functions */
+int nf_log_dump_udp_header(struct nf_log_buf *m, const struct sk_buff *skb,
+ u8 proto, int fragment, unsigned int offset);
+int nf_log_dump_tcp_header(struct nf_log_buf *m, const struct sk_buff *skb,
+ u8 proto, int fragment, unsigned int offset,
+ unsigned int logflags);
+void nf_log_dump_sk_uid_gid(struct nf_log_buf *m, struct sock *sk);
+void nf_log_dump_packet_common(struct nf_log_buf *m, u_int8_t pf,
+ unsigned int hooknum, const struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ const struct nf_loginfo *loginfo,
+ const char *prefix);
+
#endif /* _NF_LOG_H */