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authorEric Leblond <eric@inl.fr>2009-03-16 14:54:21 +0100
committerPatrick McHardy <kaber@trash.net>2009-03-16 14:54:21 +0100
commitca735b3aaa945626ba65a3e51145bfe4ecd9e222 (patch)
tree5fe88e398080a1287fefc10a8bbc54f7eb8c99ba /include/net
parent28337ff5438a640afa713d874d076e3a8a9150da (diff)
netfilter: use a linked list of loggers
This patch modifies nf_log to use a linked list of loggers for each protocol. This list of loggers is read and write protected with a mutex. This patch separates registration and binding. To be used as logging module, a module has to register calling nf_log_register() and to bind to a protocol it has to call nf_log_bind_pf(). This patch also converts the logging modules to the new API. For nfnetlink_log, it simply switchs call to register functions to call to bind function and adds a call to nf_log_register() during init. For other modules, it just remove a const flag from the logger structure and replace it with a __read_mostly. Signed-off-by: Eric Leblond <eric@inl.fr> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/netfilter/nf_log.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/net/netfilter/nf_log.h b/include/net/netfilter/nf_log.h
index 7182c06974f..920997f1aff 100644
--- a/include/net/netfilter/nf_log.h
+++ b/include/net/netfilter/nf_log.h
@@ -1,6 +1,8 @@
#ifndef _NF_LOG_H
#define _NF_LOG_H
+#include <linux/netfilter.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! */
@@ -40,12 +42,15 @@ struct nf_logger {
struct module *me;
nf_logfn *logfn;
char *name;
+ struct list_head list[NFPROTO_NUMPROTO];
};
/* Function to register/unregister log function. */
-int nf_log_register(u_int8_t pf, const struct nf_logger *logger);
-void nf_log_unregister(const struct nf_logger *logger);
-void nf_log_unregister_pf(u_int8_t pf);
+int nf_log_register(u_int8_t pf, struct nf_logger *logger);
+void nf_log_unregister(struct nf_logger *logger);
+
+int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger);
+void nf_log_unbind_pf(u_int8_t pf);
/* Calls the registered backend logging function */
void nf_log_packet(u_int8_t pf,