?? plugins-wimax-msg_ucd.c
字號:
{
"Unknown UCD Type", "wimax.ucd.unknown_tlv_type",
FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_202_uplink_burst_profile_for_multiple_fec_types,
{
"Uplink Burst Profile for Multiple FEC Types", "wimax.ucd.uplink_burst_profile.multiple_fec_types",
FT_UINT8, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_203_ul_pusc_subchannel_rotation,
{
"Uplink PUSC Subchannel Rotation", "wimax.ucd.uplink_burst_profile.ul_pusc_subchannel_rotation",
FT_UINT8, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_205_relative_power_offset_ul_harq_burst,
{
"Relative Power Offset UL HARQ Burst", "wimax.ucd.uplink_burst_profile.relative_power_offset_ul_harq_burst",
FT_UINT8, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_206_relative_power_offset_ul_burst_containing_mac_mgmt_msg,
{
"Relative Power Offset UL Burst Containing MAC Mgmt Msg", "wimax.ucd.uplink_burst_profile.relative_power_offset_ul_burst_mac_mgmt_msg",
FT_UINT8, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_207_ul_initial_transmit_timing,
{
"UL Initial Transmit Timing", "wimax.ucd.uplink_burst_profile.ul_initial_transmit_timing",
FT_UINT8, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_210_fast_feedback_region,
{
"Fast Feedback Region", "wimax.ucd.uplink_burst_profile.fast_feedback_region",
FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_211_harq_ack_region,
{
"HARQ ACK Region", "wimax.ucd.uplink_burst_profile.harq_ack_region",
FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_212_ranging_region,
{
"Ranging Region", "wimax.ucd.uplink_burst_profile.ranging_region",
FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_213_sounding_region,
{
"Sounding Region", "wimax.ucd.uplink_burst_profile.sounding_region",
FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_186_upper_bound_aas_preamble,
{
"Upper Bound AAS Preamble (in units of 0.25 dB)", "wimax.ucd.upper_bound_aas_preamble",
FT_INT8, BASE_DEC, NULL, 0, "", HFILL
}
},
{
&hf_ucd_tlv_t_189_use_cqich_indication_flag,
{
"Use CQICH Indication Flag", "wimax.ucd.use_cqich_indication_flag",
FT_UINT8, BASE_HEX, NULL, 0, "", HFILL
}
}
};
/* Register Wimax Mac Payload Protocol and Dissector */
void proto_register_mac_mgmt_msg_ucd(void)
{
if (proto_mac_mgmt_msg_ucd_decoder == -1)
{
proto_mac_mgmt_msg_ucd_decoder = proto_mac_mgmt_msg_dcd_decoder;
proto_register_field_array(proto_mac_mgmt_msg_ucd_decoder, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
}
/* UCD dissector */
void dissect_mac_mgmt_msg_ucd_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
guint offset = 0;
guint tvb_len, payload_type, length;
guint ucd_config_change_count;
guint ucd_ranging_backoff_start;
guint ucd_ranging_backoff_end;
guint ucd_request_backoff_start;
guint ucd_request_backoff_end;
gint tlv_type, tlv_len, tlv_offset, tlv_value_offset;
guint ul_burst_uiuc, utemp;
proto_item *ucd_item = NULL;
proto_tree *ucd_tree = NULL;
proto_item *tlv_item = NULL;
proto_tree *tlv_tree = NULL;
proto_tree *sub_tree = NULL;
tlv_info_t tlv_info;
/* Ensure the right payload type */
payload_type = tvb_get_guint8(tvb, offset);
if(payload_type != MAC_MGMT_MSG_UCD)
{
return;
}
if(tree)
{ /* we are being asked for details */
/* Get the tvb reported length */
tvb_len = tvb_reported_length(tvb);
/* display MAC payload type UCD */
ucd_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_ucd_decoder, tvb, offset, tvb_len, "Uplink Channel Descriptor (UCD) (%u bytes)", tvb_len);
/* add MAC UCD subtree */
ucd_tree = proto_item_add_subtree(ucd_item, ett_mac_mgmt_msg_ucd_decoder);
/* Decode and display the Uplink Channel Descriptor (UCD) */
/* display the Message Type */
proto_tree_add_item(ucd_tree, hf_ucd_message_type, tvb, offset, 1, FALSE);
/* move to next field */
offset++;
/* get the Configuration Change Count */
ucd_config_change_count = tvb_get_guint8(tvb, offset);
/* display the Configuration Change Count */
proto_tree_add_text(ucd_tree, tvb, offset, 1, "Configuration Change Count: %u", ucd_config_change_count);
/* move to next field */
offset++;
/* get the ranging backoff start */
ucd_ranging_backoff_start = tvb_get_guint8(tvb, offset);
/* display the ranging backoff start */
proto_tree_add_text(ucd_tree, tvb, offset, 1, "Ranging Backoff Start: 2^%u = %u", ucd_ranging_backoff_start, (1 << ucd_ranging_backoff_start));
/* move to next field */
offset++;
/* get the ranging backoff end */
ucd_ranging_backoff_end = tvb_get_guint8(tvb, offset);
/* display the ranging backoff end */
proto_tree_add_text(ucd_tree, tvb, offset, 1, "Ranging Backoff End: 2^%u = %u", ucd_ranging_backoff_end, (1 << ucd_ranging_backoff_end));
/* move to next field */
offset++;
/* get the request backoff start */
ucd_request_backoff_start = tvb_get_guint8(tvb, offset);
/* display the request backoff start */
proto_tree_add_text(ucd_tree, tvb, offset, 1, "Request Backoff Start: 2^%u = %u", ucd_request_backoff_start, (1 << ucd_request_backoff_start));
/* move to next field */
offset++;
/* get the request backoff end */
ucd_request_backoff_end = tvb_get_guint8(tvb, offset);
/* display the request backoff end */
proto_tree_add_text(ucd_tree, tvb, offset, 1, "Request Backoff End: 2^%u = %u", ucd_request_backoff_end, (1 << ucd_request_backoff_end));
/* move to next field */
offset++;
while(offset < tvb_len)
{
/* get the TLV information */
init_tlv_info(&tlv_info, tvb, offset);
/* get the TLV type */
tlv_type = get_tlv_type(&tlv_info);
/* get the TLV length */
tlv_len = get_tlv_length(&tlv_info);
if(tlv_type == -1 || tlv_len > MAX_TLV_LEN || tlv_len < 1)
{ /* invalid tlv info */
if(pinfo->cinfo)
{
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "UCD TLV error");
}
proto_tree_add_item(ucd_tree,hf_ucd_invalid_tlv, tvb, offset, (tvb_len - offset), FALSE);
break;
}
/* get the TLV value offset */
tlv_value_offset = get_tlv_value_offset(&tlv_info);
#ifdef DEBUG /* for debug only */
tlv_item = proto_tree_add_protocol_format(ucd_tree, proto_mac_mgmt_msg_ucd_decoder, tvb, offset, (tlv_len + tlv_value_offset), "UCD Type: %u (%u bytes, offset=%u, tvb_len=%u)", tlv_type, tlv_len, offset, tvb_len);
#endif
/* update the offset */
offset += tlv_value_offset;
/* process UCD TLV Encoded information */
if (include_cor2_changes)
{
switch (tlv_type)
{
case UCD_TLV_T_203_UL_PUSC_SUBCHANNEL_ROTATION:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_tlv_t_203_ul_pusc_subchannel_rotation, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_tlv_t_203_ul_pusc_subchannel_rotation, tvb, offset, tlv_len, FALSE);
break;
}
case UCD_TLV_T_205_RELATIVE_POWER_OFFSET_UL_HARQ_BURST:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_tlv_t_205_relative_power_offset_ul_harq_burst, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_tlv_t_205_relative_power_offset_ul_harq_burst, tvb, offset, tlv_len, FALSE);
break;
}
case UCD_TLV_T_206_RELATIVE_POWER_OFFSET_UL_BURST_CONTAINING_MAC_MGMT_MSG:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_tlv_t_206_relative_power_offset_ul_burst_containing_mac_mgmt_msg, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_tlv_t_206_relative_power_offset_ul_burst_containing_mac_mgmt_msg, tvb, offset, tlv_len, FALSE);
break;
}
case UCD_TLV_T_207_UL_INITIAL_TRANSMIT_TIMING:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_tlv_t_207_ul_initial_transmit_timing, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_tlv_t_207_ul_initial_transmit_timing, tvb, offset, tlv_len, FALSE);
break;
}
case UCD_TLV_T_210_FAST_FEEDBACK_REGION:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_tlv_t_210_fast_feedback_region, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_tlv_t_210_fast_feedback_region, tvb, offset, tlv_len, FALSE);
break;
}
case UCD_TLV_T_211_HARQ_ACK_REGION:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_tlv_t_211_harq_ack_region, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_tlv_t_211_harq_ack_region, tvb, offset, tlv_len, FALSE);
break;
}
case UCD_TLV_T_212_RANGING_REGION:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_tlv_t_212_ranging_region, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_tlv_t_212_ranging_region, tvb, offset, tlv_len, FALSE);
break;
}
case UCD_TLV_T_213_SOUNDING_REGION:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_tlv_t_213_sounding_region, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_tlv_t_213_sounding_region, tvb, offset, tlv_len, FALSE);
break;
}
}
}
switch (tlv_type)
{
case UCD_UPLINK_BURST_PROFILE:
{
/* get the UIUC */
ul_burst_uiuc = tvb_get_guint8(tvb, offset) & 0x0F;
/* add TLV subtree */
tlv_tree = add_protocol_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, proto_mac_mgmt_msg_ucd_decoder, tvb, offset, tlv_len, "Uplink Burst Profile (UIUC = %u) (%u bytes)", ul_burst_uiuc, tlv_len);
proto_tree_add_item(tlv_tree, hf_ucd_ul_burst_reserved, tvb, offset, 1, FALSE);
proto_tree_add_item(tlv_tree, hf_ucd_ul_burst_uiuc, tvb, offset, 1, FALSE);
for (tlv_offset = 1; tlv_offset < tlv_len;)
{ /* get the TLV information */
init_tlv_info(&tlv_info, tvb, (offset+tlv_offset));
/* get the TLV type */
tlv_type = get_tlv_type(&tlv_info);
if(tlv_type == -1)
{ /* invalid tlv info */
if(pinfo->cinfo)
{
col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "UL Burst Profile error");
}
proto_tree_add_item(tlv_tree, hf_ucd_invalid_tlv, tvb, offset, (tlv_len - offset - tlv_offset), FALSE);
break;
}
/* get the TLV length */
length = get_tlv_length(&tlv_info);
/* update the offset */
tlv_offset += get_tlv_value_offset(&tlv_info);
switch (tlv_type)
{
case UCD_BURST_FEC:
{
sub_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, tlv_tree, hf_ucd_burst_fec, tvb, (offset+tlv_offset), 1, FALSE);
tlv_item = proto_tree_add_item(sub_tree, hf_ucd_burst_fec, tvb, (offset+tlv_offset), 1, FALSE);
break;
}
case UCD_BURST_RANGING_DATA_RATIO:
{
sub_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, tlv_tree, hf_ucd_burst_ranging_data_ratio, tvb, (offset+tlv_offset), 1, FALSE);
tlv_item = proto_tree_add_item(sub_tree, hf_ucd_burst_ranging_data_ratio, tvb, (offset+tlv_offset), 1, FALSE);
proto_item_append_text(tlv_item, " dB");
break;
}
#if 0 /* for OFDM */
case UCD_BURST_POWER_BOOST:
{
sub_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, tlv_tree, hf_ucd_burst_power_boost, tvb, (offset+tlv_offset), 1, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_burst_power_boost, tvb, (offset+tlv_offset), length, FALSE);
proto_item_append_text(tlv_item, " dB");
break;
}
case UCD_BURST_TCS_ENABLE:
{
sub_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, tlv_tree, hf_ucd_burst_tcs_enable, tvb, (offset+tlv_offset), 1, FALSE);
proto_tree_add_item(tlv_tree, hf_ucd_burst_tcs_enable, tvb, (offset+tlv_offset), 1, FALSE);
break;
}
#endif
default:
/* ??? */
break;
}
tlv_offset += length;
}
break;
}
case UCD_RESERVATION_TIMEOUT:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_res_timeout, tvb, offset, tlv_len, FALSE);
proto_tree_add_item(tlv_tree, hf_ucd_res_timeout, tvb, offset, tlv_len, FALSE);
break;
}
case UCD_BW_REQ_SIZE:
{
tlv_tree = add_tlv_subtree(&tlv_info, ett_mac_mgmt_msg_ucd_decoder, ucd_tree, hf_ucd_bw_req_size, tvb, offset, tlv_len, FALSE);
tlv_item = proto_tree_add_item(tlv_tree, hf_ucd_bw_req_size, tvb, offset, tlv_len, FALSE);
proto_item_append_text(tlv_item, " PS");
break;
}
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