Added PCU debugging/logging support code based on osmocom logging system.
diff --git a/gprs_debug.h b/gprs_debug.h
new file mode 100644
index 0000000..ee95e19
--- /dev/null
+++ b/gprs_debug.h
@@ -0,0 +1,68 @@
+/* gprs_debug.h
+ *
+ * Copyright (C) 2012 Ivan Klyuchnikov
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef GPRS_DEBUG_H
+#define GPRS_DEBUG_H
+
+#include <stdio.h>
+extern "C" {
+#include <osmocom/core/linuxlist.h>
+#include <osmocom/core/logging.h>
+};
+/* Debug Areas of the code */
+enum {
+ DCSN1,
+ DL1IF,
+ DRLCMAC,
+ DRLCMACDATA,
+ DBSSGP,
+ DPCU,
+ aDebug_LastEntry
+};
+
+/* context */
+#define BSC_CTX_SUBSCR 1
+#define BSC_CTX_NSVC 4
+#define BSC_CTX_BVC 5
+
+/* target */
+
+enum {
+ //DEBUG_FILTER_ALL = 1 << 0,
+ LOG_FILTER_IMSI = 1 << 1,
+ LOG_FILTER_NSVC = 1 << 2,
+ LOG_FILTER_BVC = 1 << 3,
+};
+
+/* we don't need a header dependency for this... */
+
+struct gprs_nsvc;
+struct bssgp_bvc_ctx;
+
+void log_set_imsi_filter(struct log_target *target, const char *imsi);
+void log_set_nsvc_filter(struct log_target *target,
+ struct gprs_nsvc *nsvc);
+void log_set_bvc_filter(struct log_target *target,
+ struct bssgp_bvc_ctx *bctx);
+
+extern const struct log_info gprs_log_info;
+
+
+
+#endif // GPRS_DEBUG_H