move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

1 files changed, 57 insertions, 0 deletions

diff --git a/include/openbsc/gprs_llc_xid.h b/include/openbsc/gprs_llc_xid.h
new file mode 100644
index 000000000..d340d40b7
--- /dev/null
+++ b/include/openbsc/gprs_llc_xid.h
@@ -0,0 +1,57 @@
+/* GPRS LLC XID field encoding/decoding as per 3GPP TS 44.064 */
+
+/* (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Philipp Maier
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <osmocom/core/linuxlist.h>
+
+/* 3GPP TS 44.064 6.4.1.6 Exchange Identification (XID)
+   command/response parameter field */
+struct gprs_llc_xid_field {
+	struct llist_head list;
+	uint8_t type;		/* See also Table 6: LLC layer parameter
+				   negotiation */
+	uint8_t *data;		/* Payload data (memory is owned by the
+				 * creator of the struct) */
+	unsigned int data_len;	/* Payload length */
+};
+
+/* Transform a list with XID fields into a XID message (dst) */
+int gprs_llc_compile_xid(uint8_t *dst, int dst_maxlen,
+			 const struct llist_head *xid_fields);
+
+/* Transform a XID message (dst) into a list of XID fields */
+struct llist_head *gprs_llc_parse_xid(const void *ctx, const uint8_t *src,
+				      int src_len);
+
+/* Create a duplicate of an XID-Field */
+struct gprs_llc_xid_field *gprs_llc_dup_xid_field(const void *ctx,
+				const struct gprs_llc_xid_field *xid_field);
+
+/* Copy an llist with xid fields */
+struct llist_head *gprs_llc_copy_xid(const void *ctx,
+				     const struct llist_head *xid_fields);
+
+/* Dump a list with XID fields (Debug) */
+void gprs_llc_dump_xid_fields(const struct llist_head *xid_fields,
+			      unsigned int logl);
+