plugins-wimax-mac_mgmt_msg_decoder.c

Intel的WIMAX代码,主要是mac层code

	proto_register_mac_mgmt_msg_arq_feedback();
	proto_register_mac_mgmt_msg_arq_discard();
	proto_register_mac_mgmt_msg_arq_reset();
	proto_register_mac_mgmt_msg_dreg_req();
	proto_register_mac_mgmt_msg_dreg_cmd();
	proto_register_mac_mgmt_msg_fpc();
	proto_register_mac_mgmt_msg_sbc();
	proto_register_mac_mgmt_msg_pkm();
	proto_register_mac_mgmt_msg_pmc_req();
	proto_register_mac_mgmt_msg_pmc_rsp();
	proto_register_mac_mgmt_msg_prc_lt_ctrl();
	proto_register_mac_mgmt_msg_aas_fbck();
	proto_register_mac_mgmt_msg_aas_beam();
	proto_register_mac_mgmt_msg_res_cmd();
	proto_register_mac_mgmt_msg_rep();
	proto_register_mac_mgmt_msg_clk_cmp();
	proto_register_mac_mgmt_msg_dsx_rvd();
}

void dissect_mac_mgmt_msg_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
	guint offset = 0;
	guint tvb_len, message_type;
	dissector_handle_t mgt_msg_handle;
	proto_item *parent_item = NULL;
	proto_item *message_item = NULL;
	proto_tree *message_tree = NULL;

	if (tree)
	{	/* we are being asked for details */
		/* Get the tvb reported length */
		tvb_len =  tvb_reported_length(tvb);
		if(!tvb_len)
		{
			/* display the error message */
			proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "Error: Mac payload tvb is empty ! (%u bytes)", tvb_len);
			return;
		}
		/* Get the payload type */
		message_type = tvb_get_guint8(tvb, offset);
		/* add the payload type into the info column */
		if(message_type < MAC_MGMT_MSG_TYPE_MAX)
		{
			/* Display message type in Info column */
			if (check_col(pinfo->cinfo, COL_INFO))
			{
				col_append_sep_str(pinfo->cinfo, COL_INFO, ", ", mgt_msg_abbrv[message_type]);
			}
		}
		else
		{
			if (check_col(pinfo->cinfo, COL_INFO))
				col_append_str(pinfo->cinfo, COL_INFO, "Unknown message type,");
			/* display MAC payload types */
			message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "Unknown message type: %u (%u bytes)", message_type, tvb_len);
			/* add MAC payload subtree */
			message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
			/* display the MAC payload in Hex */
			proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			return;
		}
		/* get the parent */
		parent_item = proto_tree_get_parent(tree);
		/* add the MAC header info */
		proto_item_append_text(parent_item, ", %s", mgt_msg_abbrv[message_type]);
		/* Decode and display the MAC payload */
		switch (message_type)
		{
		case MAC_MGMT_MSG_UCD:
			/* UCD message handler */
			dissect_mac_mgmt_msg_ucd_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DCD:
			/* DCD message handler */
			dissect_mac_mgmt_msg_dcd_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DL_MAP:
			/* DL-MAP message handler */
			dissect_mac_mgmt_msg_dlmap_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_UL_MAP:
			/* UL-MAP message handler */
			dissect_mac_mgmt_msg_ulmap_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_RNG_REQ:
			/* Ranging request message handler */
			dissect_mac_mgmt_msg_rng_req_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_RNG_RSP:
			/* Ranging response message handler */
			dissect_mac_mgmt_msg_rng_rsp_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_REG_REQ:
			/* Registration request message handler */
			dissect_mac_mgmt_msg_reg_req_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_REG_RSP:
			/* Registration response message handler */
			dissect_mac_mgmt_msg_reg_rsp_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_PKM_REQ:
			/* Privacy Key Management request message handler */
			dissect_mac_mgmt_msg_pkm_req_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_PKM_RSP:
			/* Privacy Key Management response message handler */
			dissect_mac_mgmt_msg_pkm_rsp_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSA_REQ:
			/* Dynamic Service Addition request message handler */
			dissect_mac_mgmt_msg_dsa_req_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSA_RSP:
			/* Dynamic Service Addition response message handler */
			dissect_mac_mgmt_msg_dsa_rsp_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSA_ACK:
			/* Dynamic Service Addition acknowledge message handler */
			dissect_mac_mgmt_msg_dsa_ack_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSC_REQ:
			/* Dynamic Service Change request message handler */
			dissect_mac_mgmt_msg_dsc_req_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSC_RSP:
			/* Dynamic Service Change response message handler */
			dissect_mac_mgmt_msg_dsc_rsp_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSC_ACK:
			/* Dynamic Service Change acknowledge message handler */
			dissect_mac_mgmt_msg_dsc_ack_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSD_REQ:
			/* Dynamic Service Deletion request message handler */
			dissect_mac_mgmt_msg_dsd_req_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSD_RSP:
			/* Dynamic Service Deletion response message handler */
			dissect_mac_mgmt_msg_dsd_rsp_decoder(tvb, pinfo, tree);
		case MAC_MGMT_MSG_MCA_REQ:
			/* find the Multicast Assignment request message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_mca_req_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */
				proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			}
		break;
		case MAC_MGMT_MSG_MCA_RSP:
			/* find the Multicast Assignment response message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_mca_rsp_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */
				proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			}
		break;
		case MAC_MGMT_MSG_DBPC_REQ:
			/* find the DL Burst Profile Change request message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_dbpc_req_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */
				proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			}
		break;
		case MAC_MGMT_MSG_DBPC_RSP:
			/* find the DL Burst Profile Change response message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_dbpc_rsp_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */
				proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			}
		break;
		case MAC_MGMT_MSG_RES_CMD:
			/* Reset Command message handler */
			dissect_mac_mgmt_msg_res_cmd_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_SBC_REQ:
			/* SS Basic Capability request message handler */
			dissect_mac_mgmt_msg_sbc_req_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_SBC_RSP:
			/* SS Basic Capability response message handler */
			dissect_mac_mgmt_msg_sbc_rsp_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_CLK_CMP:
			/* SS Network Clock Comparison message handler */
			dissect_mac_mgmt_msg_clk_cmp_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DREG_CMD:
			/* De/Re-register Command message handler */
			dissect_mac_mgmt_msg_dreg_cmd_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_DSX_RVD:
			/* DSx Recieved message handler */
			dissect_mac_mgmt_msg_dsx_rvd_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_TFTP_CPLT:
			/* find the Config File TFTP Complete message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_tftp_cplt_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */
				proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			}
		break;
		case MAC_MGMT_MSG_TFTP_RSP:
			/* find the Config File TFTP Complete response message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_tftp_rsp_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */
				proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			}
		break;
		case MAC_MGMT_MSG_ARQ_FEEDBACK:
			/* Standalone ARQ feedback message handler */
			dissect_mac_mgmt_msg_arq_feedback_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_ARQ_DISCARD:
			dissect_mac_mgmt_msg_arq_discard_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_ARQ_RESET:
			/* ARQ Reset message handler */
			dissect_mac_mgmt_msg_arq_reset_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_REP_REQ:
			/* Channel measurement Report request message handler */
			dissect_mac_mgmt_msg_rep_req_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_REP_RSP:
			/* Channel measurement Report response message handler */
			dissect_mac_mgmt_msg_rep_rsp_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_FPC:
			/* Fast Power Control message handler */
			dissect_mac_mgmt_msg_fpc_decoder(tvb, pinfo, tree);
		break;
		case MAC_MGMT_MSG_MSH_NCFG:
			/* find the Mesh Network Configuration message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_ncfg_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */
				proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			}
		break;
		case MAC_MGMT_MSG_MSH_NENT:
			/* find the Mesh Network Entry message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_nent_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */
				proto_tree_add_item(message_tree, hf_mac_mgmt_msg_values, tvb, offset, tvb_len, FALSE);
			}
		break;
		case MAC_MGMT_MSG_MSH_DSCH:
			/* find the Mesh Distributed Schedule message handler */
			mgt_msg_handle = find_dissector("mac_mgmt_msg_dsch_handler");
			if(mgt_msg_handle)
				call_dissector(mgt_msg_handle, tvb, pinfo, tree);
			else
			{
				/* display MAC payload types */
				message_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_decoder, tvb, offset, tvb_len, "%s (%u bytes)", mgt_msg_abbrv[message_type], tvb_len);
				/* add MAC payload subtree */
				message_tree = proto_item_add_subtree(message_item, ett_mac_mgmt_msg_decoder);
				/* display the MAC payload in Hex */