Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 101 insertions, 0 deletions

diff --git a/epan/dissectors/packet-openthread.c b/epan/dissectors/packet-openthread.c
new file mode 100644
index 0000000..2d73573
--- /dev/null
+++ b/epan/dissectors/packet-openthread.c
@@ -0,0 +1,101 @@
+/* packet-openthread.c
+ * Simple dissector for OpenThread loopback interface
+ *
+ * Robert Cragie <robert.cragie@arm.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+
+/* Forward declarations */
+void proto_register_openthread(void);
+void proto_reg_handoff_openthread(void);
+
+static int proto_openthread = -1;
+
+static dissector_handle_t openthread_handle;
+static dissector_handle_t wpan_handle;
+
+static int hf_openthread_channel = -1;
+/* static int hf_openthread_psdu = -1; */
+
+static gint ett_openthread = -1;
+
+static int
+dissect_openthread(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+    proto_item  *proto_root;
+    proto_tree  *openthread_tree;
+    tvbuff_t    *sub_tvb;
+
+    /* Create the protocol tree. */
+    proto_root = proto_tree_add_item(tree, proto_openthread, tvb, 0, -1, ENC_NA);
+    openthread_tree = proto_item_add_subtree(proto_root, ett_openthread);
+
+    proto_tree_add_item(openthread_tree, hf_openthread_channel, tvb, 0, 1, ENC_NA);
+    sub_tvb = tvb_new_subset_length(tvb, 1, tvb_reported_length_remaining(tvb, 3)); /* Note - truncate the last two "phoney" CRC bytes */
+    call_dissector(wpan_handle, sub_tvb, pinfo, tree);
+
+    return tvb_captured_length(tvb);
+}
+
+void
+proto_register_openthread(void)
+{
+    static hf_register_info hf[] = {
+
+        /* Generic TLV */
+        { &hf_openthread_channel,
+            { "Channel",
+            "openthread.channel",
+            FT_UINT8, BASE_DEC, NULL, 0x0,
+            NULL,
+            HFILL }
+        },
+#if 0
+        { &hf_openthread_psdu,
+            { "PSDU",
+            "openthread.psdu",
+            FT_NONE, BASE_NONE, NULL, 0x0,
+            NULL,
+            HFILL }
+        }
+#endif
+    };
+
+    static gint *ett[] = {
+        &ett_openthread
+    };
+
+    proto_openthread = proto_register_protocol("OpenThread", "OpenThread", "openthread");
+    proto_register_field_array(proto_openthread, hf, array_length(hf));
+    proto_register_subtree_array(ett, array_length(ett));
+    openthread_handle = register_dissector("openthread", dissect_openthread, proto_openthread);
+}
+
+void
+proto_reg_handoff_openthread(void)
+{
+    wpan_handle = find_dissector_add_dependency("wpan_nofcs", proto_openthread);
+    dissector_add_for_decode_as("udp.port", openthread_handle);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */