Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 115 insertions, 0 deletions

diff --git a/epan/dissectors/packet-epl.h b/epan/dissectors/packet-epl.h
new file mode 100644
index 00000000..fd145acf
--- /dev/null
+++ b/epan/dissectors/packet-epl.h
@@ -0,0 +1,115 @@
+/* packet-epl.h
+ * Routines for "Ethernet POWERLINK 2.0" dissection
+ * (Ethernet POWERLINK V2.0 Communication Profile Specification Draft Standard Version 1.2.0)
+ *
+ * A dissector for:
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1999 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __EPL_H_
+#define __EPL_H_
+
+#include <glib.h>
+#include <epan/address.h>
+#include <epan/wmem_scopes.h>
+#include <epan/range.h>
+
+struct epl_datatype;
+
+struct profile {
+	guint16 id;
+	guint8 nodeid;
+	address node_addr;
+
+	guint32 vendor_id;
+	guint32 product_code;
+
+	wmem_map_t *objects;
+	wmem_allocator_t *scope, *parent_scope;
+	wmem_map_t *parent_map;
+
+	char *name;
+	char *path;
+	void *data;
+	guint cb_id;
+	wmem_array_t *TPDO; /* CN->MN */
+	wmem_array_t *RPDO; /* MN->CN */
+
+	struct profile *next;
+};
+
+enum { OD_ENTRY_SCALAR = 7, OD_ENTRY_ARRAY = 8, OD_ENTRY_RECORD = 9 };
+struct od_entry {
+	guint16 idx;
+	/* This is called the ObjectType in the standard,
+	 * but this is too easy to be mistaken with the
+	 * DataType.
+	 * ObjectType specifies whether it's a scalar or
+	 * an aggregate
+	 */
+	guint16 type_class;
+	char name[64];
+	/* Called DataType by the standard,
+	 * Can be e.g. Unsigned32
+	 */
+	const struct epl_datatype *type;
+	guint64 value;
+};
+#define OD_ENTRY_INITIALIZER { 0, 0, { 0 }, 0, 0 }
+
+struct subobject {
+	range_admin_t range;
+	struct od_entry info;
+};
+#define SUBOBJECT_INITIALIZER { RANGE_ADMIN_T_INITIALIZER, OD_ENTRY_INITIALIZER }
+
+typedef struct epl_wmem_iarray epl_wmem_iarray_t;
+
+struct object {
+	struct od_entry info;
+	epl_wmem_iarray_t *subindices;
+};
+
+struct profile;
+
+const struct epl_datatype *epl_type_to_hf(const char *name);
+
+static inline gboolean
+subobject_equal(gconstpointer _a, gconstpointer _b)
+{
+	const struct od_entry *a = &((const struct subobject*)_a)->info;
+	const struct od_entry *b = &((const struct subobject*)_b)->info;
+
+	return a->type_class == b->type_class
+	    && a->type == b->type
+	    && g_str_equal(a->name, b->name);
+}
+
+struct profile *epl_xdd_load(struct profile *profile, const char *xml_file);
+
+void epl_eds_init(void);
+struct profile *epl_eds_load(struct profile *profile, const char *eds_file);
+
+
+struct object *epl_profile_object_add(struct profile *profile, guint16 idx);
+struct object *epl_profile_object_lookup_or_add(struct profile *profile, guint16 idx);
+
+gboolean epl_profile_object_mapping_add(struct profile *profile, guint16 idx, guint8 subindex, guint64 mapping);
+gboolean epl_profile_object_mappings_update(struct profile *profile);
+
+range_admin_t * epl_wmem_iarray_find(epl_wmem_iarray_t *arr, guint32 value);
+gboolean epl_wmem_iarray_is_empty(epl_wmem_iarray_t *iarr);
+gboolean epl_wmem_iarray_is_sorted(epl_wmem_iarray_t *iarr);
+
+#define EPL_OBJECT_MAPPING_SIZE ((guint)sizeof (guint64))
+
+#define CHECK_OVERLAP_ENDS(x1, x2, y1, y2) ((x1) < (y2) && (y1) < (x2))
+#define CHECK_OVERLAP_LENGTH(x, x_len, y, y_len) \
+	CHECK_OVERLAP_ENDS((x), (x) + (x_len), (y), (y) + (y_len))
+
+
+#endif