plugins-wimax-msg_sbc.c

Intel的WIMAX代码,主要是mac层code

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      http://anonsvn.wireshark.org/wireshark/trunk 的 plugins/wimax/msg_sbc.c 
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http://anonsvn.wireshark.org/wireshark/trunk/plugins/wimax/
          AUTHORS
COPYING
ChangeLog
Makefile.am
Makefile.common
Makefile.nmake
README.wimax
crc.c
crc.h
crc_data.c
mac_hd_generic_decoder.c
mac_hd_type1_decoder.c
mac_hd_type2_decoder.c
mac_mgmt_msg_decoder.c
moduleinfo.h
moduleinfo.nmake
msg_aas_beam.c
msg_aas_fbck.c
msg_arq.c
msg_clk_cmp.c
msg_dcd.c
msg_dlmap.c
msg_dreg.c
msg_dsa.c
msg_dsc.c
msg_dsd.c
msg_dsx_rvd.c
msg_fpc.c
msg_pkm.c
msg_pmc.c
msg_prc_lt_ctrl.c
msg_reg_req.c
msg_reg_rsp.c
msg_rep.c
msg_res_cmd.c
msg_rng_req.c
msg_rng_rsp.c
msg_sbc.c
msg_ucd.c
msg_ulmap.c
packet-wmx.c
plugin.rc.in
wimax_bits.h
wimax_cdma_code_decoder.c
wimax_compact_dlmap_ie_decoder.c
wimax_compact_ulmap_ie_decoder.c
wimax_fch_decoder.c
wimax_ffb_decoder.c
wimax_hack_decoder.c
wimax_harq_map_decoder.c
wimax_mac.h
wimax_pdu_decoder.c
wimax_phy_attributes_decoder.c
wimax_tlv.c
wimax_tlv.h
wimax_utils.c
wimax_utils.h
    r_chase_combining, tvb, offset, 2, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_tlv_t_163_harq_chase_combining_and_cc_ir_buffer_capability_aggregation_flag_dl, tvb, offset, 2, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_tlv_t_163_harq_chase_combining_and_cc_ir_buffer_capability_reserved1, tvb, offset, 2, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_tlv_t_163_ul_harq_buffering_capability_for_chase_combining, tvb, offset, 2, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_tlv_t_163_harq_chase_combining_and_cc_ir_buffer_capability_aggregation_flag_ul, tvb, offset, 2, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_tlv_t_163_harq_chase_combining_and_cc_ir_buffer_capability_reserved2, tvb, offset, 2, FALSE);
				break;
				case PKM_ATTR_SECURITY_NEGOTIATION_PARAMETERS:
					/* display Security Negotiation Parameters Title */
					/* add Security Negotiation Parameters subtree */
					tlv_tree = add_protocol_subtree(&tlv_info, ett_sbc_req_tlv_subtree, sbc_tree, proto_mac_mgmt_msg_sbc_decoder, tvb, offset, tlv_len, "Security Negotiation Parameters (%u bytes)", tlv_len);
					/* call the Security Negotiation Parameters decoder */
					wimax_security_negotiation_parameters_decoder(tvb_new_subset(tvb, offset, tlv_len, tlv_len), pinfo, tlv_tree);
				break;
				case SBC_TLV_T_26_POWER_SAVE_CLASS_TYPES_CAPABILITY:
					/* add TLV subtree */
					tlv_tree = add_tlv_subtree(&tlv_info, ett_sbc_req_tlv_subtree, sbc_tree, hf_sbc_power_save_class_types_capability, tvb, offset, tlv_len, FALSE);
					/* display the detail meanings of the TLV value */
					proto_tree_add_item(tlv_tree, hf_sbc_power_save_class_types_capability_bit0, tvb, offset, 1, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_power_save_class_types_capability_bit1, tvb, offset, 1, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_power_save_class_types_capability_bit2, tvb, offset, 1, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_power_save_class_types_capability_bits34, tvb, offset, 1, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_power_save_class_types_capability_bits567, tvb, offset, 1, FALSE);
				break;
				default:
					/* add TLV subtree */
					tlv_tree = add_tlv_subtree(&tlv_info, ett_sbc_req_tlv_subtree, sbc_tree, hf_sbc_power_save_class_types_capability, tvb, offset, tlv_len, FALSE);
					/* display the detail meanings of the TLV value */
					proto_tree_add_item(tlv_tree, hf_sbc_unknown_type, tvb, offset, tlv_len, FALSE);
				break;
			}
			offset += tlv_len;
		}	/* end of TLV process while loop */
	}
}

/* Wimax Mac SBC-RSP Message Dissector */
void dissect_mac_mgmt_msg_sbc_rsp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
	guint offset = 0;
	guint tvb_len, payload_type, value;
	gint  tlv_type, tlv_len, tlv_value_offset;
/*	guint ssttg, ssrtg;*/
	guint num_dl_harq_chans; /*, num_ul_harq_chans;*/
	proto_item *sbc_item = NULL;
	proto_tree *sbc_tree = NULL;
	proto_item *tlv_item = NULL;
	proto_tree *tlv_tree = NULL;
	proto_item *ti = NULL;
	tlv_info_t tlv_info;
	gfloat power_bpsk;
	gfloat power_qpsk;
	gfloat power_qam16;
	gfloat power_qam64;
	gfloat current_power;

	/* Ensure the right payload type */
	payload_type = tvb_get_guint8(tvb, offset);
	if (payload_type != MAC_MGMT_MSG_SBC_RSP)
	{
		return;
	}

	if (tree)
	{	/* we are being asked for details */
		/* Get the tvb reported length */
		tvb_len =  tvb_reported_length(tvb);
		/* display MAC payload type SBC-RSP */
		sbc_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_sbc_decoder, tvb, offset, tvb_len, "SS Basic Capability Response (SBC-RSP) (%u bytes)", tvb_len);
		/* add MAC SBC subtree */
		sbc_tree = proto_item_add_subtree(sbc_item, ett_mac_mgmt_msg_sbc_decoder);
		/* Decode and display the SS Basic Capability Response (SBC-RSP) */
		/* display the Message Type */
		proto_tree_add_item(sbc_tree, hf_sbc_rsp_message_type, tvb, offset, 1, FALSE);
		/* set the offset for the TLV Encoded info */
		offset++;
		/* process the SBC TLVs */
		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, "SBC-RSP TLV error");
				}
				proto_tree_add_item(sbc_tree, hf_sbc_invalid_tlv, tvb, offset, (tvb_len - offset), FALSE);
				break;
			}
			if (tlv_type == 0)
			{	/* invalid tlv type */
				if (pinfo->cinfo)
				{
					col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "Invalid SBC TLV type");
				}
				proto_tree_add_item(sbc_tree, hf_sbc_unknown_type, tvb, offset, 1, FALSE);
				offset++;
				continue;
			}
			/* get the TLV value offset */
			tlv_value_offset = get_tlv_value_offset(&tlv_info);
#ifdef DEBUG /* for debug only */
			proto_tree_add_protocol_format(sbc_tree, proto_mac_mgmt_msg_sbc_decoder, tvb, offset, (tlv_len + tlv_value_offset), "SBC-RSP Type: %u (%u bytes, offset=%u, tlv_len=%u, tvb_len=%u)", tlv_type, (tlv_len + tlv_value_offset), offset, tlv_len, tvb_len);
#endif
			/* update the offset for the TLV value */
			offset += tlv_value_offset;
			/* process SBC TLV Encoded information */
			switch (tlv_type)
			{
				case SBC_BW_ALLOC_SUPPORT:
					/* add TLV subtree */
					tlv_tree = add_tlv_subtree(&tlv_info, ett_sbc_rsp_tlv_subtree, sbc_tree, hf_sbc_bw_alloc_support, tvb, offset, tlv_len, FALSE);
					/* display the detail meanings of the TLV value */
					proto_tree_add_item(tlv_tree, hf_sbc_bw_alloc_support_rsvd0, tvb, offset, 1, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_bw_alloc_support_duplex, tvb, offset, 1, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_bw_alloc_support_rsvd1, tvb, offset, 1, FALSE);
				break;
				case SBC_TRANSITION_GAPS:
					/* add TLV subtree */
					tlv_tree = add_tlv_subtree(&tlv_info, ett_sbc_rsp_tlv_subtree, sbc_tree, hf_sbc_transition_gaps, tvb, offset, tlv_len, FALSE);
					/* display the detail meanings of the TLV value */
					ti = proto_tree_add_item(tlv_tree, hf_sbc_ssttg, tvb, offset, 1, FALSE);
					proto_item_append_text(ti, " us (ranges: TDD 0-50; H-FDD 0-100)");
					ti = proto_tree_add_item(tlv_tree, hf_sbc_ssrtg, tvb, (offset + 1), 1, FALSE);
					proto_item_append_text(ti, " us (ranges: TDD 0-50; H-FDD 0-100)");
				break;
				case SBC_MAC_PDU:
					/* add TLV subtree */
					tlv_tree = add_tlv_subtree(&tlv_info, ett_sbc_rsp_tlv_subtree, sbc_tree, hf_sbc_mac_pdu, tvb, offset, tlv_len, FALSE);
					/* display the detail meanings of the TLV value */
					proto_tree_add_item(tlv_tree, hf_sbc_mac_pdu_piggybacked, tvb, offset, 1, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_mac_pdu_fsn, tvb, offset, 1, FALSE);
					proto_tree_add_item(tlv_tree, hf_sbc_mac_pdu_rsvd, tvb, offset, 1, FALSE);
				break;
				case SBC_REQ_MAX_TRANSMIT_POWER:
					/* add TLV subtree */
					tlv_tree = add_tlv_subtree(&tlv_info, ett_sbc_rsp_tlv_subtree, sbc_tree, hf_sbc_max_transmit_power, tvb, offset, tlv_len, FALSE);
					/* display the detail meanings of the TLV value */