diff -r d28360ee74c5 -r d9cf40facbc4 master/slave_config.h
--- a/master/slave_config.h	Mon May 03 10:13:25 2010 +0200
+++ b/master/slave_config.h	Mon May 03 18:07:57 2010 +0200
@@ -46,6 +46,70 @@
 
 /*****************************************************************************/
 
+/** Convenience macro for printing configuration-specific information to
+ * syslog.
+ *
+ * This will print the message in \a fmt with a prefixed
+ * "EtherCAT <INDEX> <ALIAS>:<POSITION>: ", where INDEX is the master index
+ * and ALIAS and POSITION identify the configuration.
+ *
+ * \param sc EtherCAT slave configuration
+ * \param fmt format string (like in printf())
+ * \param args arguments (optional)
+ */
+#define EC_CONFIG_INFO(sc, fmt, args...) \
+    printk(KERN_INFO "EtherCAT %u %u:%u: " fmt, sc->master->index, \
+            sc->alias, sc->position, ##args)
+
+/** Convenience macro for printing configuration-specific errors to syslog.
+ *
+ * This will print the message in \a fmt with a prefixed
+ * "EtherCAT <INDEX> <ALIAS>:<POSITION>: ", where INDEX is the master index
+ * and ALIAS and POSITION identify the configuration.
+ *
+ * \param sc EtherCAT slave configuration
+ * \param fmt format string (like in printf())
+ * \param args arguments (optional)
+ */
+#define EC_CONFIG_ERR(sc, fmt, args...) \
+    printk(KERN_ERR "EtherCAT ERROR %u %u:%u: " fmt, sc->master->index, \
+            sc->alias, sc->position, ##args)
+
+/** Convenience macro for printing configuration-specific warnings to syslog.
+ *
+ * This will print the message in \a fmt with a prefixed
+ * "EtherCAT <INDEX> <ALIAS>:<POSITION>: ", where INDEX is the master index
+ * and ALIAS and POSITION identify the configuration.
+ *
+ * \param sc EtherCAT slave configuration
+ * \param fmt format string (like in printf())
+ * \param args arguments (optional)
+ */
+#define EC_CONFIG_WARN(sc, fmt, args...) \
+    printk(KERN_WARNING "EtherCAT WARNING %u %u:%u: " fmt, \
+            sc->master->index, sc->alias, sc->position, ##args)
+
+/** Convenience macro for printing configuration-specific debug messages to
+ * syslog.
+ *
+ * This will print the message in \a fmt with a prefixed
+ * "EtherCAT <INDEX> <ALIAS>:<POSITION>: ", where INDEX is the master index
+ * and ALIAS and POSITION identify the configuration.
+ *
+ * \param sc EtherCAT slave configuration
+ * \param fmt format string (like in printf())
+ * \param args arguments (optional)
+ */
+#define EC_CONFIG_DBG(sc, level, fmt, args...) \
+    do { \
+        if (sc->master->debug_level >= level) { \
+            printk(KERN_DEBUG "EtherCAT DEBUG %u %u:%u: " fmt, \
+                    sc->master->index, sc->alias, sc->position, ##args); \
+        } \
+    } while (0)
+
+/*****************************************************************************/
+
 /** EtherCAT slave configuration.
  */
 struct ec_slave_config {