[NETFILTER]: nf_log: move logging stuff to seperate header

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 59 insertions, 0 deletions

diff --git a/include/net/netfilter/nf_log.h b/include/net/netfilter/nf_log.h
new file mode 100644
index 000000000000..f0426e59f229
--- /dev/null
+++ b/include/net/netfilter/nf_log.h
@@ -0,0 +1,59 @@
+#ifndef _NF_LOG_H
+#define _NF_LOG_H
+
+/* those NF_LOG_* defines and struct nf_loginfo are legacy definitios that will
+ * disappear once iptables is replaced with pkttables.  Please DO NOT use them
+ * for any new code! */
+#define NF_LOG_TCPSEQ		0x01	/* Log TCP sequence numbers */
+#define NF_LOG_TCPOPT		0x02	/* Log TCP options */
+#define NF_LOG_IPOPT		0x04	/* Log IP options */
+#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
+
+struct nf_loginfo {
+	u_int8_t type;
+	union {
+		struct {
+			u_int32_t copy_len;
+			u_int16_t group;
+			u_int16_t qthreshold;
+		} ulog;
+		struct {
+			u_int8_t level;
+			u_int8_t logflags;
+		} log;
+	} u;
+};
+
+typedef void nf_logfn(unsigned int pf,
+		      unsigned int hooknum,
+		      const struct sk_buff *skb,
+		      const struct net_device *in,
+		      const struct net_device *out,
+		      const struct nf_loginfo *li,
+		      const char *prefix);
+
+struct nf_logger {
+	struct module	*me;
+	nf_logfn 	*logfn;
+	char		*name;
+};
+
+/* Function to register/unregister log function. */
+int nf_log_register(int pf, struct nf_logger *logger);
+void nf_log_unregister(struct nf_logger *logger);
+void nf_log_unregister_pf(int pf);
+
+/* Calls the registered backend logging function */
+void nf_log_packet(int pf,
+		   unsigned int hooknum,
+		   const struct sk_buff *skb,
+		   const struct net_device *in,
+		   const struct net_device *out,
+		   struct nf_loginfo *li,
+		   const char *fmt, ...);
+
+#endif /* _NF_LOG_H */