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-rw-r--r--plugins/wimax/packet-m2m.c821
1 files changed, 821 insertions, 0 deletions
diff --git a/plugins/wimax/packet-m2m.c b/plugins/wimax/packet-m2m.c
new file mode 100644
index 0000000000..0fa36e1ccf
--- /dev/null
+++ b/plugins/wimax/packet-m2m.c
@@ -0,0 +1,821 @@
+/* packet-m2m.c
+ * Routines for WiMax MAC to MAC TLV packet disassembly
+ *
+ * Copyright (c) 2007 by Intel Corporation.
+ *
+ * Author: Lu Pan <lu.pan@intel.com>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1999 Gerald Combs
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/* Include files */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/reassemble.h>
+#include <epan/etypes.h>
+#include <epan/expert.h>
+#include "wimax_tlv.h"
+
+/* forward reference */
+void proto_reg_handoff_m2m(void);
+void proto_register_m2m(void);
+static void fch_burst_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo);
+static void cdma_code_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo);
+static void pdu_burst_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo, gint burst_number, gint frag_type, gint frag_number);
+static void fast_feedback_burst_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo);
+static void harq_ack_bursts_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo);
+static void physical_attributes_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo);
+static void extended_tlv_decoder(packet_info *pinfo);
+void proto_tree_add_tlv(tlv_info_t *self, tvbuff_t *tvb, guint offset, packet_info *pinfo, proto_tree *tree, gint hf, guint encoding);
+
+/* Global variables */
+static dissector_handle_t wimax_cdma_code_burst_handle;
+static dissector_handle_t wimax_ffb_burst_handle;
+static dissector_handle_t wimax_fch_burst_handle;
+static dissector_handle_t wimax_hack_burst_handle;
+static dissector_handle_t wimax_pdu_burst_handle;
+static dissector_handle_t wimax_phy_attributes_burst_handle;
+
+static reassembly_table pdu_reassembly_table;
+
+static gint proto_m2m = -1;
+
+static gint ett_m2m = -1;
+static gint ett_m2m_tlv = -1;
+static gint ett_m2m_fch = -1;
+static gint ett_m2m_cdma = -1;
+static gint ett_m2m_ffb = -1;
+
+/* TLV types (rev:0.2) */
+#define TLV_PROTO_VER 1
+#define TLV_FRAME_NUM 2
+#define TLV_BURST_NUM 3
+#define TLV_FRAG_TYPE 4
+#define TLV_FRAG_NUM 5
+#define TLV_CDMA_CODE 7
+#define TLV_FCH_BURST 8
+#define TLV_PDU_BURST 9
+#define TLV_FAST_FB 10
+#define TLV_CRC16_STATUS 11
+#define TLV_BURST_POWER 12
+#define TLV_BURST_CINR 13
+#define TLV_PREAMBLE 14
+#define TLV_HARQ_ACK_BURST 15
+#define TLV_PHY_ATTRIBUTES 16
+#define TLV_EXTENDED_TLV 255
+
+/* TLV names */
+static const value_string tlv_name[] =
+{
+ { TLV_PROTO_VER, "Protocol Version" },
+ { TLV_FRAME_NUM, "Frame Number" },
+ { TLV_BURST_NUM, "Burst Number" },
+ { TLV_FRAG_TYPE, "Fragment Type" },
+ { TLV_FRAG_NUM, "Fragment Number" },
+ { TLV_CDMA_CODE, "CDMA Attribute" },
+ { TLV_FCH_BURST, "FCH Burst" },
+ { TLV_PDU_BURST, "PDU Burst" },
+ { TLV_FAST_FB, "Fast Feedback Burst" },
+ { TLV_CRC16_STATUS, "CRC16 Status" },
+ { TLV_BURST_POWER, " Burst Power" },
+ { TLV_BURST_CINR, "Burst CINR" },
+ { TLV_PREAMBLE, "Preamble" },
+ { TLV_HARQ_ACK_BURST, "HARQ ACK Bursts" },
+ { TLV_PHY_ATTRIBUTES, "PDU Burst Physical Attributes" },
+ { TLV_EXTENDED_TLV, "Extended TLV" },
+ { 0, NULL }
+};
+
+/* TLV Fragment types */
+#define TLV_NO_FRAG 0
+#define TLV_FIRST_FRAG 1
+#define TLV_MIDDLE_FRAG 2
+#define TLV_LAST_FRAG 3
+
+/* TLV Fragment Type names */
+static const value_string tlv_frag_type_name[] =
+{
+ { TLV_NO_FRAG, "No TLV Fragment" },
+ { TLV_FIRST_FRAG, "First TLV Fragment" },
+ { TLV_MIDDLE_FRAG, "Middle TLV Fragment" },
+ { TLV_LAST_FRAG, "Last TLV Fragment" },
+ { 0, NULL }
+};
+
+/* TLV CRC16 Status */
+static const value_string tlv_crc16_status[] =
+{
+ { 0, "No CRC-16 in burst" },
+ { 1, "Good CRC-16 in burst" },
+ { 2, "Bad CRC-16 in burst" },
+ { 0, NULL }
+};
+
+static gint hf_m2m_sequence_number = -1;
+static gint hf_m2m_frame_number = -1;
+static gint hf_m2m_tlv_count = -1;
+
+static gint hf_m2m_type = -1;
+static gint hf_m2m_len = -1;
+static gint hf_m2m_len_size = -1;
+/* static gint hf_m2m_value_bytes = -1; */
+static gint hf_wimax_invalid_tlv = -1;
+static gint hf_m2m_value_protocol_vers_uint8 = -1;
+static gint hf_m2m_value_burst_num_uint8 = -1;
+static gint hf_m2m_value_frag_type_uint8 = -1;
+static gint hf_m2m_value_frag_num_uint8 = -1;
+static gint hf_m2m_value_pdu_burst = -1;
+static gint hf_m2m_value_fast_fb = -1;
+static gint hf_m2m_value_fch_burst_uint24 = -1;
+static gint hf_m2m_value_cdma_code_uint24 = -1;
+static gint hf_m2m_value_crc16_status_uint8 = -1;
+static gint hf_m2m_value_burst_power_uint16 = -1;
+static gint hf_m2m_value_burst_cinr_uint16 = -1;
+static gint hf_m2m_value_preamble_uint16 = -1;
+static gint hf_m2m_value_harq_ack_burst_bytes = -1;
+static gint hf_m2m_phy_attributes = -1;
+
+static expert_field ei_m2m_unexpected_length = EI_INIT;
+
+
+/* WiMax MAC to MAC protocol dissector */
+static int dissect_m2m(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+ proto_item *ti = NULL;
+ proto_item *m2m_item = NULL;
+ proto_tree *m2m_tree = NULL;
+ proto_tree *tlv_tree = NULL;
+ gint burst_number = 0;
+ gint length, offset = 0;
+ gint tlv_count;
+ gint tlv_type, tlv_len, tlv_offset, tlv_value;
+ gint tlv_frag_type = 0;
+ gint tlv_frag_number = 0;
+ tlv_info_t m2m_tlv_info;
+ gint hf;
+ guint encoding;
+ guint frame_number;
+ int expected_len;
+
+ /* display the M2M protocol name */
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "WiMax");
+
+ /* Clear out stuff in the info column */
+ col_clear(pinfo->cinfo, COL_INFO);
+
+
+ { /* we are being asked for details */
+ m2m_item = proto_tree_add_item(tree, proto_m2m, tvb, 0, -1, ENC_NA);
+ m2m_tree = proto_item_add_subtree(m2m_item, ett_m2m);
+ /* get the tvb reported length */
+ length = tvb_reported_length(tvb);
+ /* add the size info */
+ /*
+ proto_item_append_text(m2m_item, " (%u bytes) - Packet Sequence Number,Number of TLVs", length);
+ */
+ proto_item_append_text(m2m_item, " (%u bytes)", length);
+ /* display the sequence number */
+ proto_tree_add_item(m2m_tree, hf_m2m_sequence_number, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+ /* display the TLV count */
+ proto_tree_add_item(m2m_tree, hf_m2m_tlv_count, tvb, offset, 2, ENC_BIG_ENDIAN);
+ tlv_count = tvb_get_ntohs(tvb, offset);
+ offset += 2;
+ /* parses the TLVs within current packet */
+ while ( tlv_count > 0)
+ { /* init MAC to MAC TLV information */
+ init_tlv_info(&m2m_tlv_info, tvb, offset);
+ /* get the TLV type */
+ tlv_type = get_tlv_type(&m2m_tlv_info);
+ /* get the TLV length */
+ tlv_len = get_tlv_length(&m2m_tlv_info);
+ if(tlv_type == -1 || tlv_len > 64000 || tlv_len < 1)
+ { /* invalid tlv info */
+ col_append_sep_str(pinfo->cinfo, COL_INFO, ", ", "M2M TLV error");
+ /* display the invalid TLV in HEX */
+ proto_tree_add_item(m2m_tree, hf_wimax_invalid_tlv, tvb, offset, (length - offset), ENC_NA);
+ break;
+ }
+ /* get the TLV value offset */
+ tlv_offset = get_tlv_value_offset(&m2m_tlv_info);
+ /* display TLV type */
+ ti = proto_tree_add_protocol_format(m2m_tree, proto_m2m, tvb, offset, (tlv_len + tlv_offset), "%s", val_to_str(tlv_type, tlv_name, "Unknown TLV"));
+ /* add TLV subtree */
+ tlv_tree = proto_item_add_subtree(ti, ett_m2m_tlv);
+ /* update the offset */
+ offset += tlv_offset;
+ /* add the size info */
+ /* decode TLV content (TLV value) */
+ expected_len = 0;
+ hf = 0;
+ encoding = ENC_NA;
+ switch (tlv_type)
+ {
+ case TLV_PROTO_VER:
+ /* get the protocol version */
+ tlv_value = tvb_get_guint8( tvb, offset );
+ /* add the description */
+ proto_item_append_text(ti, ": %d", tlv_value);
+ hf = hf_m2m_value_protocol_vers_uint8;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 1;
+ break;
+
+ case TLV_BURST_NUM:
+ /* get the burst number */
+ burst_number = tvb_get_guint8( tvb, offset );
+ /* add the description */
+ proto_item_append_text(ti, ": %d", burst_number);
+ hf = hf_m2m_value_burst_num_uint8;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 1;
+ break;
+
+ case TLV_FRAG_TYPE:
+ /* add the description */
+ tlv_frag_type = tvb_get_guint8( tvb, offset );
+ proto_item_append_text(ti, ": %s", val_to_str(tlv_frag_type, tlv_frag_type_name, "Unknown"));
+ hf = hf_m2m_value_frag_type_uint8;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 1;
+ break;
+
+ case TLV_FRAG_NUM:
+ /* get the fragment number */
+ tlv_frag_number = tvb_get_guint8( tvb, offset );
+ /* add the description */
+ proto_item_append_text(ti, ": %d", tlv_frag_number);
+ hf = hf_m2m_value_frag_num_uint8;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 1;
+ break;
+
+ case TLV_PDU_BURST:
+ /* display PDU Burst length info */
+ proto_item_append_text(ti, " (%u bytes)", tlv_len);
+ /* decode and display the PDU Burst */
+ pdu_burst_decoder(tree, tvb, offset, tlv_len, pinfo, burst_number, tlv_frag_type, tlv_frag_number);
+ hf = hf_m2m_value_pdu_burst;
+ encoding = ENC_NA;
+ break;
+
+ case TLV_FAST_FB:
+ /* display the Fast Feedback Burst length info */
+ proto_item_append_text(ti, " (%u bytes)", tlv_len);
+ /* decode and display the Fast Feedback Burst */
+ fast_feedback_burst_decoder(tree, tvb, offset, tlv_len, pinfo);
+ hf = hf_m2m_value_fast_fb;
+ encoding = ENC_NA;
+ break;
+
+ case TLV_FRAME_NUM:
+ /* get the frame number */
+ frame_number = tvb_get_ntoh24( tvb, offset );
+ /* add the description */
+ proto_tree_add_item(tlv_tree, hf_m2m_frame_number, tvb, offset, 3, ENC_BIG_ENDIAN);
+ proto_item_append_text(ti, ": %d", frame_number);
+ break;
+
+ case TLV_FCH_BURST:
+ /* add the description */
+ tlv_value = tvb_get_ntoh24( tvb, offset );
+ proto_item_append_text(ti, ": 0x%X", tlv_value);
+ /* decode and display the TLV FCH burst */
+ fch_burst_decoder(tree, tvb, offset, tlv_len, pinfo);
+ hf = hf_m2m_value_fch_burst_uint24;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 3;
+ break;
+
+ case TLV_CDMA_CODE:
+ /* add the description */
+ tlv_value = tvb_get_ntoh24( tvb, offset );
+ proto_item_append_text(ti, ": 0x%X", tlv_value);
+ /* decode and display the CDMA Code */
+ cdma_code_decoder(tree, tvb, offset, tlv_len, pinfo);
+ hf = hf_m2m_value_cdma_code_uint24;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 3;
+ break;
+
+ case TLV_CRC16_STATUS:
+ /* add the description */
+ tlv_value = tvb_get_guint8( tvb, offset );
+ proto_item_append_text(ti, ": %s", val_to_str(tlv_value, tlv_crc16_status, "Unknown"));
+ hf = hf_m2m_value_crc16_status_uint8;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 1;
+ break;
+
+ case TLV_BURST_POWER:
+ /* add the description */
+ tlv_value = tvb_get_ntohs( tvb, offset );
+ proto_item_append_text(ti, ": %d", tlv_value);
+ hf = hf_m2m_value_burst_power_uint16;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 2;
+ break;
+
+ case TLV_BURST_CINR:
+ /* add the description */
+ tlv_value = tvb_get_ntohs( tvb, offset );
+ proto_item_append_text(ti, ": 0x%X", tlv_value);
+ hf = hf_m2m_value_burst_cinr_uint16;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 2;
+ break;
+
+ case TLV_PREAMBLE:
+ /* add the description */
+ tlv_value = tvb_get_ntohs( tvb, offset );
+ proto_item_append_text(ti, ": 0x%X", tlv_value);
+ hf = hf_m2m_value_preamble_uint16;
+ encoding = ENC_BIG_ENDIAN;
+ expected_len = 2;
+ break;
+
+ case TLV_HARQ_ACK_BURST:
+ /* display the Burst length info */
+ proto_item_append_text(ti, " (%u bytes)", tlv_len);
+ /* decode and display the HARQ ACK Bursts */
+ harq_ack_bursts_decoder(tree, tvb, offset, tlv_len, pinfo);
+ hf = hf_m2m_value_harq_ack_burst_bytes;
+ encoding = ENC_NA;
+ break;
+
+ case TLV_PHY_ATTRIBUTES:
+ /* display the Burst length info */
+ proto_item_append_text(ti, " (%u bytes)", tlv_len);
+ /* decode and display the PDU Burst Physical Attributes */
+ physical_attributes_decoder(tree, tvb, offset, tlv_len, pinfo);
+ hf = hf_m2m_phy_attributes;
+ encoding = ENC_NA;
+ break;
+
+ case TLV_EXTENDED_TLV:
+ /* display the Burst length info */
+ proto_item_append_text(ti, " (%u bytes)", tlv_len);
+ /* decode and display the Extended TLV */
+ extended_tlv_decoder(pinfo);
+ break;
+
+ default:
+ /* update the info column */
+ col_append_sep_str(pinfo->cinfo, COL_INFO, ", ", "Unknown TLV Type");
+ break;
+ }
+ /* expand the TLV detail */
+ if (hf) {
+ if (offset - tlv_offset == expected_len) {
+ proto_tree_add_tlv(&m2m_tlv_info, tvb, offset - tlv_offset, pinfo, tlv_tree, hf, encoding);
+ } else {
+ expert_add_info_format(pinfo, NULL, &ei_m2m_unexpected_length, "Expected length %d, got %d.", expected_len, offset - tlv_offset);
+ }
+ }
+ offset += tlv_len;
+ /* update tlv_count */
+ tlv_count--;
+ }
+ }
+ return tvb_captured_length(tvb);
+}
+
+/* Decode and display the FCH burst */
+static void fch_burst_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo)
+{
+ if(wimax_fch_burst_handle)
+ { /* call FCH dissector */
+ call_dissector(wimax_fch_burst_handle, tvb_new_subset_length(tvb, offset, length), pinfo, tree);
+ }
+ else /* display FCH info */
+ { /* update the info column */
+ col_append_str(pinfo->cinfo, COL_INFO, "FCH Burst: DL Frame Prefix");
+ }
+}
+
+/* Decode and display the CDMA Code Attribute */
+static void cdma_code_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo)
+{
+ if(wimax_cdma_code_burst_handle)
+ { /* call CDMA dissector */
+ call_dissector(wimax_cdma_code_burst_handle, tvb_new_subset_length(tvb, offset, length), pinfo, tree);
+ }
+ else /* display CDMA Code Attribute info */
+ { /* update the info column */
+ col_append_str(pinfo->cinfo, COL_INFO, "CDMA Code Attribute");
+ }
+}
+
+/* Decode and display the PDU Burst */
+static void pdu_burst_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo, gint burst_number, gint frag_type, gint frag_number)
+{
+ fragment_head *pdu_frag;
+ tvbuff_t *pdu_tvb = NULL;
+
+ /* update the info column */
+ switch (frag_type)
+ {
+ case TLV_FIRST_FRAG:
+ col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "First TLV Fragment (%d)", frag_number);
+ break;
+ case TLV_LAST_FRAG:
+ col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Last TLV Fragment (%d)", frag_number);
+ break;
+ case TLV_MIDDLE_FRAG:
+ col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Middle TLV Fragment %d", frag_number);
+ break;
+ }
+ if(frag_type == TLV_NO_FRAG)
+ { /* not fragmented PDU */
+ pdu_tvb = tvb_new_subset_length(tvb, offset, length);
+ }
+ else /* fragmented PDU */
+ { /* add the fragment */
+ pdu_frag = fragment_add_seq(&pdu_reassembly_table, tvb, offset, pinfo, burst_number, NULL, frag_number - 1, length, ((frag_type==TLV_LAST_FRAG)?0:1), 0);
+ if(pdu_frag && frag_type == TLV_LAST_FRAG)
+ {
+ /* create the new tvb for defragmented frame */
+ pdu_tvb = tvb_new_chain(tvb, pdu_frag->tvb_data);
+ /* add the defragmented data to the data source list */
+ add_new_data_source(pinfo, pdu_tvb, "Reassembled WiMax PDU Frame");
+ }
+ else
+ {
+ pdu_tvb = NULL;
+ if(frag_type == TLV_LAST_FRAG)
+ { /* update the info column */
+ col_append_sep_str(pinfo->cinfo, COL_INFO, ", ", "Incomplete PDU frame");
+ }
+ }
+ }
+ /* process the defragmented PDU burst */
+ if(pdu_tvb)
+ {
+ if(wimax_pdu_burst_handle)
+ {/* decode and display PDU Burst */
+ call_dissector(wimax_pdu_burst_handle, pdu_tvb, pinfo, tree);
+ }
+ else /* display PDU Burst info */
+ { /* update the info column */
+ col_append_str(pinfo->cinfo, COL_INFO, "PDU Burst");
+ }
+ }
+}
+
+/* Decode and display the Fast Feedback Burst */
+static void fast_feedback_burst_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo)
+{
+ if(wimax_ffb_burst_handle)
+ { /* display the TLV Fast Feedback Burst dissector info */
+ call_dissector(wimax_ffb_burst_handle, tvb_new_subset_length(tvb, offset, length), pinfo, tree);
+ }
+ else /* display the Fast Feedback Burst info */
+ { /* update the info column */
+ col_append_str(pinfo->cinfo, COL_INFO, "Fast Feedback Burst");
+ }
+}
+
+static void harq_ack_bursts_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo)
+{
+ if(wimax_hack_burst_handle)
+ { /* call the TLV HARQ ACK Bursts dissector */
+ call_dissector(wimax_hack_burst_handle, tvb_new_subset_length(tvb, offset, length), pinfo, tree);
+ }
+ else /* display the TLV HARQ ACK Bursts info */
+ { /* update the info column */
+ col_append_str(pinfo->cinfo, COL_INFO, "HARQ ACK Bursts");
+ }
+}
+
+static void physical_attributes_decoder(proto_tree *tree, tvbuff_t *tvb, gint offset, gint length, packet_info *pinfo)
+{
+ if(wimax_phy_attributes_burst_handle)
+ { /* call the TLV PDU Burst Physical Attributes dissector */
+ call_dissector(wimax_phy_attributes_burst_handle, tvb_new_subset_length(tvb, offset, length), pinfo, tree);
+ }
+ else /* display the TLV PDU Burst Physical Attributes info */
+ { /* update the info column */
+ col_append_str(pinfo->cinfo, COL_INFO, "PHY-attr");
+ }
+}
+
+static void extended_tlv_decoder(packet_info *pinfo)
+{
+ /* display the Extended TLV info */
+ /* update the info column */
+ col_append_str(pinfo->cinfo, COL_INFO, "Extended TLV");
+}
+
+/* Display the raw WiMax TLV */
+void proto_tree_add_tlv(tlv_info_t *self, tvbuff_t *tvb, guint offset, packet_info *pinfo, proto_tree *tree, gint hf, guint encoding)
+{
+ guint tlv_offset;
+ gint tlv_type, tlv_len;
+
+ /* make sure the TLV information is valid */
+ if(!self->valid)
+ { /* invalid TLV info */
+ col_append_sep_fstr(pinfo->cinfo, COL_INFO, NULL, "Invalid TLV");
+ return;
+ }
+ tlv_offset = offset;
+ /* display TLV type */
+ proto_tree_add_item(tree, hf_m2m_type, tvb, tlv_offset, 1, ENC_BIG_ENDIAN);
+ tlv_offset++;
+ /* check the TLV length type */
+ if( self->length_type )
+ { /* multiple bytes TLV length */
+ /* display the length of the TLV length with MSB */
+ proto_tree_add_item(tree, hf_m2m_len_size, tvb, tlv_offset, 1, ENC_BIG_ENDIAN);
+ tlv_offset++;
+ if(self->size_of_length)
+ /* display the multiple byte TLV length */
+ proto_tree_add_item(tree, hf_m2m_len, tvb, tlv_offset, self->size_of_length, ENC_BIG_ENDIAN);
+ else
+ return;
+ }
+ else /* display the single byte TLV length */
+ proto_tree_add_item(tree, hf_m2m_len, tvb, tlv_offset, 1, ENC_BIG_ENDIAN);
+
+ tlv_type = get_tlv_type(self);
+ /* Display Frame Number as special case for filter */
+ if ( tlv_type == TLV_FRAME_NUM )
+ {
+ return;
+ }
+
+ /* get the TLV length */
+ tlv_len = get_tlv_length(self);
+ proto_tree_add_item(tree, hf, tvb, (offset + self->value_offset), tlv_len, encoding);
+}
+
+/* Register Wimax Mac to Mac Protocol */
+void proto_register_m2m(void)
+{
+ /* M2M TLV display */
+ static hf_register_info hf[] =
+ {
+ {
+ &hf_m2m_sequence_number,
+ {
+ "Packet Sequence Number", "m2m.seq_number",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_frame_number,
+ {
+ "Value", "m2m.frame_number",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_tlv_count,
+ {
+ "Number of TLVs in the packet", "m2m.tlv_count",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ }
+ };
+
+ /* WiMax TLV display */
+ static hf_register_info hf_tlv[] =
+ {
+ {
+ &hf_m2m_type,
+ {
+ "Type", "m2m.tlv_type",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_len,
+ {
+ "Length", "m2m.tlv_len",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_len_size,
+ {
+ "Length Size", "m2m.tlv_len_size",
+ FT_UINT8, BASE_HEX, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+#if 0
+ {
+ &hf_m2m_value_bytes,
+ {
+ "Value (hex)", "m2m.multibyte_tlv_value",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+#endif
+ {
+ &hf_m2m_value_protocol_vers_uint8,
+ {
+ "Value", "m2m.protocol_vers_tlv_value",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_burst_num_uint8,
+ {
+ "Value", "m2m.burst_num_tlv_value",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_frag_type_uint8,
+ {
+ "Value", "m2m.frag_type_tlv_value",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_frag_num_uint8,
+ {
+ "Value", "m2m.frag_num_tlv_value",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_pdu_burst,
+ {
+ "Value (hex)", "m2m.pdu_burst_tlv_value",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_fast_fb,
+ {
+ "Value (hex)", "m2m.fast_fb_tlv_value",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_fch_burst_uint24,
+ {
+ "Value", "m2m.fch_burst_tlv_value",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_cdma_code_uint24,
+ {
+ "Value", "m2m.cdma_code_tlv_value",
+ FT_UINT24, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_crc16_status_uint8,
+ {
+ "Value", "m2m.crc16_status_tlv_value",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_burst_power_uint16,
+ {
+ "Value", "m2m.burst_power_tlv_value",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_burst_cinr_uint16,
+ {
+ "Value", "m2m.burst_cinr_tlv_value",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_preamble_uint16,
+ {
+ "Value", "m2m.preamble_tlv_value",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_value_harq_ack_burst_bytes,
+ {
+ "Value (hex)", "m2m.harq_ack_burst_tlv_value",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_m2m_phy_attributes,
+ {
+ "Value (hex)", "m2m.phy_attributes",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL
+ }
+ },
+ {
+ &hf_wimax_invalid_tlv,
+ {
+ "Invalid TLV (hex)", "m2m.invalid_tlv",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ NULL, HFILL
+ }
+ }
+ };
+
+ static gint *ett[] =
+ {
+ &ett_m2m,
+ &ett_m2m_tlv,
+ &ett_m2m_fch,
+ &ett_m2m_cdma,
+ &ett_m2m_ffb,
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_m2m_unexpected_length, { "m2m.unexpected_length", PI_MALFORMED, PI_ERROR, "Unexpected length", EXPFILL }},
+ };
+
+ expert_module_t* expert_m2m;
+
+ proto_m2m = proto_register_protocol (
+ "WiMax Mac to Mac Packet", /* name */
+ "M2M (m2m)", /* short name */
+ "m2m" /* abbrev */
+ );
+
+ proto_register_field_array(proto_m2m, hf, array_length(hf));
+ proto_register_field_array(proto_m2m, hf_tlv, array_length(hf_tlv));
+ proto_register_subtree_array(ett, array_length(ett));
+ expert_m2m = expert_register_protocol(proto_m2m);
+ expert_register_field_array(expert_m2m, ei, array_length(ei));
+
+ /* Register reassembly table */
+ reassembly_table_register(&pdu_reassembly_table,
+ &addresses_reassembly_table_functions);
+}
+
+/* Register Wimax Mac to Mac Protocol handler */
+void proto_reg_handoff_m2m(void)
+{
+ dissector_handle_t m2m_handle;
+
+ m2m_handle = create_dissector_handle(dissect_m2m, proto_m2m);
+ dissector_add_uint("ethertype", ETHERTYPE_WMX_M2M, m2m_handle);
+
+ /* find the wimax handlers */
+ wimax_cdma_code_burst_handle = find_dissector("wimax_cdma_code_burst_handler");
+ wimax_fch_burst_handle = find_dissector("wimax_fch_burst_handler");
+ wimax_ffb_burst_handle = find_dissector("wimax_ffb_burst_handler");
+ wimax_hack_burst_handle = find_dissector("wimax_hack_burst_handler");
+ wimax_pdu_burst_handle = find_dissector("wimax_pdu_burst_handler");
+ wimax_phy_attributes_burst_handle = find_dissector("wimax_phy_attributes_burst_handler");
+}
+
+/*
+ * Editor modelines - http://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:
+ */