#define NF_LOG_PREFIXLEN 128
-static struct nf_logger *nf_loggers[NPROTO];
+static const struct nf_logger *nf_loggers[NPROTO] __read_mostly;
static DEFINE_MUTEX(nf_log_mutex);
/* return EBUSY if somebody else is registered, EEXIST if the same logger
* is registred, 0 on success. */
-int nf_log_register(int pf, struct nf_logger *logger)
+int nf_log_register(int pf, const struct nf_logger *logger)
{
int ret;
}
EXPORT_SYMBOL(nf_log_unregister_pf);
-void nf_log_unregister(struct nf_logger *logger)
+void nf_log_unregister(const struct nf_logger *logger)
{
int i;
const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
- struct nf_loginfo *loginfo,
+ const struct nf_loginfo *loginfo,
const char *fmt, ...)
{
va_list args;
char prefix[NF_LOG_PREFIXLEN];
- struct nf_logger *logger;
+ const struct nf_logger *logger;
rcu_read_lock();
logger = rcu_dereference(nf_loggers[pf]);
va_start(args, fmt);
vsnprintf(prefix, sizeof(prefix), fmt, args);
va_end(args);
- /* We must read logging before nf_logfn[pf] */
logger->logfn(pf, hooknum, skb, in, out, loginfo, prefix);
- } else if (net_ratelimit()) {
- printk(KERN_WARNING "nf_log_packet: can\'t log since "
- "no backend logging module loaded in! Please either "
- "load one, or disable logging explicitly\n");
}
rcu_read_unlock();
}
#ifdef CONFIG_PROC_FS
static void *seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(RCU)
{
rcu_read_lock();
}
static void seq_stop(struct seq_file *s, void *v)
+ __releases(RCU)
{
rcu_read_unlock();
}
int __init netfilter_log_init(void)
{
#ifdef CONFIG_PROC_FS
- struct proc_dir_entry *pde;
-
- pde = create_proc_entry("nf_log", S_IRUGO, proc_net_netfilter);
- if (!pde)
+ if (!proc_create("nf_log", S_IRUGO,
+ proc_net_netfilter, &nflog_file_ops))
return -1;
-
- pde->proc_fops = &nflog_file_ops;
#endif
return 0;
}