Adding upstream version 4.2.2.upstream/4.2.2

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

1 files changed, 166 insertions, 0 deletions

diff --git a/plugins/epan/wimax/msg_fpc.c b/plugins/epan/wimax/msg_fpc.c
new file mode 100644
index 00000000..42b50141
--- /dev/null
+++ b/plugins/epan/wimax/msg_fpc.c
@@ -0,0 +1,166 @@
+/* msg_fpc.c
+ * WiMax MAC Management FPC Message decoder
+ *
+ * Copyright (c) 2007 by Intel Corporation.
+ *
+ * Author: John R. Underwood <junderx@yahoo.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1999 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+/* Include files */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include "wimax_mac.h"
+
+
+void proto_register_mac_mgmt_msg_fpc(void);
+void proto_reg_handoff_mac_mgmt_msg_fpc(void);
+
+static dissector_handle_t fpc_handle;
+
+static gint proto_mac_mgmt_msg_fpc_decoder = -1;
+
+static gint ett_mac_mgmt_msg_fpc_decoder = -1;
+
+/* FPC fields */
+static gint hf_fpc_number_of_stations = -1;
+static gint hf_fpc_basic_cid = -1;
+static gint hf_fpc_power_adjust = -1;
+static gint hf_fpc_power_measurement_frame = -1;
+/* static gint hf_fpc_invalid_tlv = -1; */
+
+
+/* Decode FPC messages. */
+static int dissect_mac_mgmt_msg_fpc_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_)
+{
+	guint offset = 0;
+	guint i;
+	guint number_stations;
+	guint tvb_len;
+	proto_item *fpc_item;
+	proto_tree *fpc_tree;
+	gint8 value;
+	gfloat power_change;
+
+	{	/* we are being asked for details */
+
+		/* Get the tvb reported length */
+		tvb_len =  tvb_reported_length(tvb);
+		/* display MAC payload type FPC */
+		fpc_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_fpc_decoder, tvb, 0, -1, "MAC Management Message, FPC");
+		/* add MAC FPC subtree */
+		fpc_tree = proto_item_add_subtree(fpc_item, ett_mac_mgmt_msg_fpc_decoder);
+
+		/* display the Number of stations */
+		proto_tree_add_item(fpc_tree, hf_fpc_number_of_stations, tvb, offset, 1, ENC_BIG_ENDIAN);
+
+		number_stations = tvb_get_guint8(tvb, offset);
+		offset++;
+		for (i = 0; ((i < number_stations) && (offset >= tvb_len)); i++ ) {
+			/* display the Basic CID*/
+			proto_tree_add_item(fpc_tree, hf_fpc_basic_cid, tvb, offset, 2, ENC_BIG_ENDIAN);
+			offset += 2;
+
+			/* display the Power adjust value */
+			value = tvb_get_gint8(tvb, offset);
+			power_change = (float)0.25 * value;  /* 0.25dB incr */
+
+			/* display the Power adjust value in dB */
+			proto_tree_add_float_format_value(fpc_tree, hf_fpc_power_adjust, tvb, offset, 1, power_change, " %.2f dB", power_change);
+			offset++;
+
+			/* display the Power measurement frame */
+			proto_tree_add_item(fpc_tree, hf_fpc_power_measurement_frame, tvb, offset, 1, ENC_BIG_ENDIAN);
+			offset++;
+		}
+	}
+	return tvb_captured_length(tvb);
+}
+
+/* Register Wimax Mac Payload Protocol and Dissector */
+void proto_register_mac_mgmt_msg_fpc(void)
+{
+	/* FPC fields display */
+	static hf_register_info hf[] =
+	{
+		{
+			&hf_fpc_basic_cid,
+			{
+				"Basic CID", "wmx.fpc.basic_cid",
+				FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL
+			}
+		},
+#if 0
+		{
+			&hf_fpc_invalid_tlv,
+			{
+				"Invalid TLV", "wmx.fpc.invalid_tlv",
+				FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL
+			}
+		},
+#endif
+		{
+			&hf_fpc_number_of_stations,
+			{
+				"Number of stations", "wmx.fpc.number_stations",
+				FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL
+			}
+		},
+		{
+			&hf_fpc_power_adjust,
+			{
+				"Power Adjust", "wmx.fpc.power_adjust",
+				FT_FLOAT, BASE_NONE, NULL, 0x0, "Signed change in power level (incr of 0.25dB) that the SS shall apply to its current power setting", HFILL
+			}
+		},
+		{
+			&hf_fpc_power_measurement_frame,
+			{
+				"Power measurement frame", "wmx.fpc.power_measurement_frame",
+				FT_INT8, BASE_DEC, NULL, 0x0, "The 8 LSB of the frame number in which the BS measured the power corrections referred to in the message", HFILL
+			}
+		}
+	};
+
+	/* Setup protocol subtree array */
+	static gint *ett[] =
+		{
+			&ett_mac_mgmt_msg_fpc_decoder,
+		};
+
+	proto_mac_mgmt_msg_fpc_decoder = proto_register_protocol (
+		"WiMax FPC Message", /* name       */
+		"WiMax FPC (fpc)",   /* short name */
+		"wmx.fpc"            /* abbrev     */
+		);
+
+	proto_register_field_array(proto_mac_mgmt_msg_fpc_decoder, hf, array_length(hf));
+	proto_register_subtree_array(ett, array_length(ett));
+	fpc_handle = register_dissector("mac_mgmt_msg_fpc_handler", dissect_mac_mgmt_msg_fpc_decoder, proto_mac_mgmt_msg_fpc_decoder);
+}
+
+void
+proto_reg_handoff_mac_mgmt_msg_fpc(void)
+{
+	dissector_add_uint("wmx.mgmtmsg", MAC_MGMT_MSG_FPC, fpc_handle);
+}
+
+/*
+ * Editor modelines  -  https://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=8 tabstop=8 noexpandtab:
+ * :indentSize=8:tabSize=8:noTabs=false:
+ */