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Dialogic

DSI SPCI Network Interface Boards Programmer's Manual Issue 5

6.4.7

MTP2 Q.752 Event Indication

Synopsis:

Message issued by MTP2 to advise management of protocol events in
accordance with ITU-T Q.752.

Message Format:

MESSAGE HEADER

Field Name

Meaning

type MGT_MSG_SS7_EVENT

(0x0202)

l2_llid

src

MTP2 module id

dst

Management module id

rsp_req

hclass

status Event

Code

(see below)

err_info

Timestamp

next

len

Description:

This primitive is used by MTP2 to advise management of the occurrence of
protocol related events in accordance with Q.752. These events relate to the

following:

•

the reason for a signaling link (previously in service) going out of service
(events prefixed S7F_).

•

the occurrence of congestion related events (prefixed S7G_).

•

a timer expired (prefixed S7T_).

•

a proving failure (prefixed S7P_).

Parameter Description:

Event Code

The Event Code

is coded as shown in the following table:

Содержание DSI SPCI Network Interface Boards

Страница 1: ...March 2009 U03HSP www dialogic com Dialogic DSI SPCI Network Interface Boards Programmer s Manual...

Страница 2: ...oducts other than a license to use such product in accordance with intellectual property owned or validly licensed by Dialogic and no such licenses are provided except pursuant to a signed agreement w...

Страница 3: ...ware Installation for Solaris 16 3 5 1 Installing the Development Package for Solaris 16 3 5 2 Solaris 9 Interface Name Checking 17 3 5 3 Solaris 10 Additional Commands 17 3 5 4 Non serviced interrupt...

Страница 4: ...Request 67 6 3 9 Reset Switch Request 68 6 3 10 CT bus Connect Request 69 6 3 11 Configure Clock Request 74 6 3 12 Configure Clock Priority Request 77 6 4 Event Indication Messages 79 6 4 1 Board Sta...

Страница 5: ...1 SPCI Network Interface Board Capability 8 Table 2 Relationship between License Button Codes Run Modes and Protocol Modules 9 Table 3 Protocol Dimensioning 9 Table 4 Files Installed on a System Runn...

Страница 6: ...ay 05 Remove INAP_API module Change name of package in Solaris DPK to dpksol32 Z dpksol64 Z Add geographic addressing gctload as a service watchdog timer Linux driver source code release Added board O...

Страница 7: ...PCI Network Interface Boards Programmer s Manual and it is targeted at system developers who choose to integrate the boards in a host computer and to develop applications that make use of the underlyi...

Страница 8: ...ty Number of SPCI4 SPCI2S T1 E1 links 4 2 V 11 V 35 synchronous serial interfaces 0 2 H 100 Computer Telephony bus CT bus 1 1 SS7 links 4 4 2 3 License Buttons The ss7 dc3 codefile supports different...

Страница 9: ...S7SBPCIMTPQ MTP 4 T1 SS7SBPCIISTUPSQ ISUP TUP Small 2 T2 SS7SBPCIISTUPQ ISUP TUP Regular 4 T4 SS7SBPCIISTUPLQ ISUP TUP Large 4 2 3 2 Capacity The figures in the table below indicate the capacity for m...

Страница 10: ...machine maintaining the sub directory structure The Code File contains the operating software for the DSI SPCI Boards It is in the form of a single binary file which is downloaded by the host to the b...

Страница 11: ...EXE This binary can be run directly from a hard disk 3 3 1 Installing Development Package for Windows If the development package is to be used with a board then the board must be installed before ins...

Страница 12: ...n the installation directory It is recommended that the user does not modify any files in this directory but instead creates a working directory into which all the necessary files are copied If the ma...

Страница 13: ...indows 2000 system may fail to fully recognize that the board is controlled by the driver It may consequently produce an Install Wizard window for each board that is present at system boot This Instal...

Страница 14: ...tribution is in the form of a single compressed file called dpklnx6 Z 3 4 1 Installing Development Package for Linux Install the Development Package as follows 1 Login and switch to a user account wit...

Страница 15: ...ry To build the driver run this script This build script assumes a suitable environment for building Kernel modules is available This must include the appropriate Kernel include files being found at u...

Страница 16: ...es to the system log The system log is displayed using the command dmesg more An example message is sptpci V1 06 Copyright C 2000 2007 Dialogic Corporation All rights reserved Using major device numbe...

Страница 17: ...e tim_sol exe s7_mgt exe s7_log exe upe exe Executables for use as described elsewhere in this manual 3 5 2 Solaris 9 Interface Name Checking To use the package under Solaris 9 interface name checking...

Страница 18: ...ct 3 5 5 Removing the Development Package for Solaris The Development Package for Solaris is removed using the package removal utility pkgrm dpksol32 dpksol64 The Solaris package removal utility pkgrm...

Страница 19: ...at runs on the host computer In addition to running the application on the host computer the user may depending on the size of the overall system and the network topology elect to also run some of the...

Страница 20: ...Process to initialize the system environment and start up all other related processes running on the host deriving the configuration from a text file system txt ssds Process to interface with the devi...

Страница 21: ...fiers It subsequently expects a process to service its message queue otherwise messages written to that queue will never be read causing eventual loss of system messages gctload initializes the messag...

Страница 22: ...indications REDIRECT 0xdf 0x2d LIU MTP2 status messages upe REDIRECT 0xef 0x2d Other indications upe Now start up all local tasks FORK_PROCESS ssds exe FORK_PROCESS tim_nt exe FORK_PROCESS tick_nt exe...

Страница 23: ...ll quickly run out of available messages for inter process communication Two module_id s 0xdf and 0xef require redirection to a suitable process running on the host Initially these messages should be...

Страница 24: ...on to specify the receiving module_id For example s7_mgt i0xef To assist problem diagnosis run s7_mgt using the d option and additional diagnostic output will be generated For example s7_mgt i0xef d S...

Страница 25: ...success On failure re check the configuration parameters and go back to resetting the board 6 Optionally send LIU Configuration Request Messages for each T1 E1 line interface unit on the board to conf...

Страница 26: ...ardware Parameters Parameter Description Board type Board types are reported as follows 2 SPCI2S or SPCI4 Hardware revision The board hardware revision number RAM size The on board RAM size Interface...

Страница 27: ...rameters to the ssds utility See section 8 1 ssds for details 4 7 Using the CT bus The SPCI2S and SPCI4 boards support two or four T1 E1 Line Interface Units and a CT bus interface H 100 respectively...

Страница 28: ...ppropriate CT bus channel to hear the incoming voice path and the other causes the T1 E1 interface to listen to the output from the resource board to generate the outgoing voice path When a call clear...

Страница 29: ...rface and the CT bus channel number sc_channel to which the timeslot listens The message is directed to the correct board by calling the GCT_set_instance function prior to calling GCT_send When a new...

Страница 30: ...eslot sc_channel int board_id board_id 0 1 2 int liu_id PCM port id int timeslot Timeslot on the PCM port 1 31 int sc_channel SCbus CT bus channel number MSG m u8 pptr Allocate a message and fill in t...

Страница 31: ...l Issue 5 31 m hdr src OUR_MOD_ID Call GCT_set_instance to route the message to the correct board and GCT_send to send the message If GCT_send returns non zero release the message GCT_set_instance boa...

Страница 32: ...m configuration file system txt has been modified according to the system requirements to select the correct protocols etc Ensure the code file has been copied to the directory containing the SS7 bina...

Страница 33: ...ange to the directory containing the binaries and run gctload optionally specify the system configuration file To run the system in the foreground enter gctload csystem txt To run it in the background...

Страница 34: ...stem is running The example utility mtpsl may be used to activate and deactivate signaling links as follows mtpsl act deact linkset_id link_ref mtpsl act 0 0 mtpsl deact 0 0 To shutdown the host softw...

Страница 35: ...for a User Part module and contains a worked example of exchanging messages with the MTP3 module It loops back any MTP TRANSFER INDICATIONS messages that it receives and reports other MTP indications...

Страница 36: ...es and Event Indication Messages 6 1 1 General Configuration Messages General Configuration Messages are normally issued by the s7_mgt configuration utility in which case they need not and must not be...

Страница 37: ...the application These messages are generated asynchronously by different modules within the stack 6 1 5 Message Summary Table The following table lists by message type all the messages described in th...

Страница 38: ...essage 0x6f0d MGT_MSG_R_BRDINFO Read Board Info Request Message 0x7680 SSD_MSG_RESET SSD Reset Request 0x7681 SSD_MSG_RST_BOARD Board Reset Request 0x7e00 MVD_MSG_RESETSWX Reset Switch Request 0x7e15...

Страница 39: ...0x7680 id 0 src Sending module s module_id dst SSD_TASK_ID 0x20 rsp_req used to request a confirmation hclass 0 status Status Response if confirmation requested err_info 0 len 24 PARAMETER AREA Offset...

Страница 40: ...y formatted 6 2 2 Board Reset Request Synopsis Message sent to SSD to cause a single board to be reset and a code file downloaded Note When using s7_mgt this message is generated by s7_mgt and must no...

Страница 41: ...ication must then wait until a Board Status Indication is received This indicates either successful completion of the reset and download operation or failure during the procedure Parameter Description...

Страница 42: ...gular version plus all MTP 7 TUP L TUP large version plus all MTP See section 2 3 2 Capacity for details of the capacity for modules running on the DSI SPCI Boards Status Response The confirmation mes...

Страница 43: ...appears corrupt 6 2 4 Board Configuration Request Synopsis Message sent to a board immediately after starting the code running to provide protocol configuration parameters Note When using s7_mgt this...

Страница 44: ...st message sent to the DSI SPCI Board once the SS7 software is running It is used to configure all modules on the board for operation The message contains signaling point codes for this signaling poin...

Страница 45: ...sent to the module_id 0xdf on the host All other bits are reserved for future use and must be set to zero l1_flags level 1 flags Bit 0 controls the reference source used for on board clocks when actin...

Страница 46: ...ignaling point to receive all messages irrespective of the destination point code contained in the message or zero to allow the discrimination function to function normally Bit 1 is set to 1 to disabl...

Страница 47: ...to 1 but is ignored if Bit 1 is set to zero Bit 8 is used to select the MTP2 error correction mode It is set to 1 to select PCR Preventive Cyclic Retransmission operation or zero for the Basic Method...

Страница 48: ...ks in a link set must have the same adjacent point code linkn_stream Signaling stream When linkn_timeslot is set to a non zero value the linkn_stream is the logical identity of the T1 E1 line interfac...

Страница 49: ...uccess err_info 0 len 28 PARAMETER AREA Offset Size Name 0 2 reserved 2 1 maj_rev 3 1 min_rev 4 24 text Description This message is provided to request a reply indicating the software version for modu...

Страница 50: ...ntity e g SS7 DC3 6 2 6 Read Board Info Request Message Synopsis Message used to request basic board information This message may be sent to several Dialogic DSI SS7 Boards but only the parameters rel...

Страница 51: ...Response if confirmation requested err_info 0 len 60 PARAMETER AREA Offset Size Name 0 1 board_type 1 1 board_rev 2 1 reserved 3 1 swa 4 1 swb 5 1 reserved 6 1 reserved 7 1 reserved 8 1 prom_maj_rev...

Страница 52: ...n the o3 feature of ssds is used prom_maj_rev Firmware major revision number prom_min_rev Firmware minor revision number esn The board s electronic serial number lsn License serial number The serial n...

Страница 53: ...ated by the user Message Format MESSAGE HEADER Field Name Meaning type LIU_MSG_CONFIG 0x7e34 id liu_id src Sending Module ID dst MVD_TASK_ID 0x10 rsp_req used to request a confirmation hclass 0 status...

Страница 54: ...ion liu_type The physical type of interface according to the following table note that this must be selected by the user to be appropriate for the actual hardware fitted otherwise an error status is r...

Страница 55: ...s 1 Setting for T1 devices faw The 8 bit value to be used for any E1 frame alignment word bit positions that are not modified by other options This allows the spare bit designated For International Us...

Страница 56: ...and line_code mode 3 AMI with Zero Code Suppression to disable zero code suppression on selected channels This parameter is a 32 bit mask Zero code suppression may be disabled for the signaling chann...

Страница 57: ...status Status Response if confirmation requested err_info 0 len 16 PARAMETER AREA Offset Size Name 0 1 ais_gen 1 1 rai_gen 2 1 loop_mode 3 13 Reserved for future use must be set to zero Description Th...

Страница 58: ...tion of RAI Yellow alarm upon loss of synchronization loop_mode The diagnostic loop back mode taken from the following table loop_mode Description 0 Do not change diagnostic loop back mode 1 Disabled...

Страница 59: ...set Size Name 0 40 Parameter area formatted as for the LIU_MSG_CONFIG message The user should set the fields to zero and the module writes the current configuration parameters in the confirmation mess...

Страница 60: ...ID dst MVD_TASK_ID 0x10 rsp_req used to request a confirmation hclass 0 status Status Response if confirmation requested err_info 0 len 16 PARAMETER AREA Offset Size Name 0 16 Parameter area formatted...

Страница 61: ...urrent state of a Line Interface Unit LIU Message Format MESSAGE HEADER Field Name Meaning type LIU_MSG_R_STATE 0x5e39 id liu_id src Sending Module ID dst MVD_TASK_ID 0x10 rsp_req used to request a co...

Страница 62: ...ID 0xff None Invalid message length 6 3 6 LIU CT bus Initialization Request Synopsis This message is sent to the board at initialization time to set up a static switch path through the board between t...

Страница 63: ...Us fitted This parameter can also be set to the special value 0x83 to select the signaling processor instead of an LIU In this case timeslots 0 3 correspond to signaling processor 0 3 respectively sc_...

Страница 64: ...are allocated Usually mode 1 the first timeslot connected to the CT bus is connected to sc_channel and each subsequent timeslot that is selected is connected to the next CT bus channel This allows max...

Страница 65: ...Line Interface Unit LIU It is issued by the application and is typically used at the start of each call although it may also be issued during a call to connect to a different resource Correct operati...

Страница 66: ...unit on which the data from the CT bus is transmitted The valid range for timeslot is 1 to 31 for an E1 interface and 1 to 24 for a T1 interface sc_channel The channel number on the CT bus to which t...

Страница 67: ...s 0 status Status Response if confirmation requested err_info 0 len 6 PARAMETER AREA Offset Size Name 0 2 liu_id 2 2 timeslot 4 2 pattern Description This message is sent to the DSI SPCI Board in orde...

Страница 68: ...es success by status of zero On error the following status values can be found in the confirmation message Value Mnemonic Description 0xd2 MVIP_INVALID_STREAM Invalid stream specified in listen reques...

Страница 69: ...irmation message if requested indicates success by status of zero On receipt of the confirmation message the operation to reset the switch has completed Status Response The confirmation message if req...

Страница 70: ...eam 12 2 dest_slot 14 2 pattern Description This message is sent to the DSI SPCI Board to control the CT bus switch Several different actions can be performed depending on the value of the mode parame...

Страница 71: ...liu_id 0 3 131 0x83 Signaling Processor local_slot The local slot defines which timeslot on the local stream to use for all the modes of operation The local slot value has the following valid ranges...

Страница 72: ...o specify both timeslots for disconnection mode 10 Generate a fixed pattern e g idle pattern on a local timeslot local_stream specifies the liu_id local_slot the timeslot and pattern the 8 bit data to...

Страница 73: ...as the same range as the source slot pattern The value of the fixed data to be generated The value must be in the range 0 to 255 Typical values are 0xff for an all ones idle pattern or 0x2a for an ITU...

Страница 74: ...firmation requested err_info 0 len 8 PARAMETER AREA Offset Size Name 0 2 bus_speed 2 2 clk_mode 4 2 pll_clk_src 6 2 ref1_mode 8 2 Reserved Set to zero Description This message is used to control the o...

Страница 75: ...made are only visible to this board The on board clocks are synchronized to the configured pll_clk_src reference If the DSI SPCI Board is configured to be Slave to the CT bus then it automatically sw...

Страница 76: ...EF signal is lost the board continues with the PLL in holdover mode until another MVD_MSG_CNFCLOCK message is received to switch to a new mode Note If the NETREF signal recovers it is still necessary...

Страница 77: ...liu1_pri 2 1 liu2_pri 3 1 liu3_pri 4 1 liu4_pri 5 1 liu5_pri 6 1 liu6_pri 7 1 liu7_pri Description This message allows the user to specify a priority for each line interface When configured to recover...

Страница 78: ...iority 32 the lowest priority If two interfaces are given the same priority the lowest numbered interface is used first 255 Special value indicating that the line interface must not be used for clock...

Страница 79: ...e or on detection of a board failure Note This message is not required when using the configuration utility s7_mgt Message Format MESSAGE HEADER Field Name Meaning type SSD_MSG_STATE_IND 0x06a0 id boa...

Страница 80: ...rds board cleared 0x71 SSDSI_BCONG_ON Message congestion towards board occurred 0x72 SSDSI_DIS_CLR Message congestion discard towards board cleared 0x73 SSDSI_DIS_ON Message congestion discard towards...

Страница 81: ...ait for the API_MSG_CNF_IND message to ensure the application does not attempt to send messages until initial configuration is complete Parameter Description Completion Status The result of initial co...

Страница 82: ...he last valid reference signal 2 PLL left hold over mode The nominated clock reference for a primary or secondary master board has become available and the is now being used as the input to the board...

Страница 83: ...VD_MSG_LIU_STATUS 0x0e01 id liu_id src MVD_TASK_ID dst MGMT_TASK_ID rsp_req 0 hclass 0 status liu_status see below err_info Reserved for future use len 0 Description This message is issued by the boar...

Страница 84: ..._SLIP Frame Slip 25 LIUS_BER5_OCRD BER 1 in 100 000 26 LIUS_BER5_CLRD BER5 cleared 27 LIUS_BER3_OCRD BER 1 in 1 000 28 LIUS_BER3_CLRD BER3 cleared 6 4 5 Error Indication Synopsis Message issued to man...

Страница 85: ...accept primitive 0x52 MTP_POOL_EMPTY 0 No free frames in MTP3 transmit pool 0x53 MTP_TX_FAIL 0 MTP3 failed to send MSU to lower layer 0x54 MTP_LEN_ERR 0 MSU too long for buffer 0x55 MTP_SLT_FAIL link_...

Страница 86: ...e a change of state takes place at level 2 It is intended only for diagnostic use by system management Normally the MTP Pause and MTP Resume Indications are used by the user parts to determine destina...

Страница 87: ...eq 0 hclass 0 status Event Code see below err_info Timestamp next 0 len 0 Description This primitive is used by MTP2 to advise management of the occurrence of protocol related events in accordance wit...

Страница 88: ...estion 5 S7F_SIO_RXD Unexpected SIO received 6 S7F_SIN_RXD Unexpected SIN received 7 S7F_SIE_RXD Unexpected SIE received 8 S7F_SIOS_RXD SIOS received 16 S7G_CONG Onset of signaling link congestion 17...

Страница 89: ...ER AREA Offset Size Name 0 len Event specific parameters Description This primitive is used by MTP2 to advise management of the occurrence of protocol related events in accordance with Q 752 These eve...

Страница 90: ...ge cleared 6 MTPEV_CONG link Signaling link congestion 7 MTPEV_CONG_CLR link Congestion cleared 8 MTPEV_CONG_DIS link MSU discarded due to congestion 9 MTPEV_LS_LOST linkset Link set failure 10 MTPEV_...

Страница 91: ...ype within the system Possible values are SPCI2S for Dialogic DSI SPCI2S Network Interface Boards SPCI4 for Dialogic DSI SPCI4 Network Interface Boards boards flags A 16 bit value that provides additi...

Страница 92: ...e CT bus Initially the board recovers from clock set A though will switch over automatically to recover from clock set B if set A fails Bit 13 causes the board to drive the CT_NETREF1 clocks on the CT...

Страница 93: ...plus MTP2 protocols See section 2 3 2 Capacity for details of the capacity for modules running on the DSI SPCI Boards 7 1 2 LIU_CONFIG Command Syntax LIU_CONFIG board_id liu_id liu_type line_code fram...

Страница 94: ...ession 3 AMI with Zero Code Suppression The appropriate bit in the clear_mask parameter may be set to disable Zero Code Suppression for individual timeslots if required T1 only 4 B8ZS T1 only frame_fo...

Страница 95: ...ote that for the SPCI2S valid values for the LIU identifiers are 2 and 3 sc_channel The channel number of the first channel to be used on the CT bus This must be in the range from 0 up to one less tha...

Страница 96: ...board_id liu_id timeslot sc_channel Example SCBUS_LISTEN 0 0 31 23 This command establishes a connection from the CT bus to an outgoing timeslot on the Line Interface Unit LIU Dynamic modification of...

Страница 97: ...alue does not match the configured ssf value for that link set are discarded Bit 2 is set to 1 to cause MTP3 to generate a UPU User Part Unavailable message to the network on receipt of a message cont...

Страница 98: ...int code of the adjacent signaling point num_links The number of links to be allocated to the link set flags A 16 bit value reserved for future use to specify run time options Currently no options are...

Страница 99: ...0 to one less than the number of signaling processors on the board stream When timeslot is set to a non zero value the stream parameter is the logical identity of the T1 E1 line interface liu_id cont...

Страница 100: ...slot for this link In this mode the stream and timeslot parameters for this link are ignored and must be set to zero If this bit is set to zero the link uses the specified stream and timeslot The seri...

Страница 101: ...fy the user parts that are supported over this route The bits are labelled 0 to 15 and for each user part supported the bit corresponding to the Service Indicator for that user part must be set e g To...

Страница 102: ...ction of the MTP_USER_PART command 7 3 ISUP Parameters 7 3 1 Global ISUP Configuration Syntax ISUP_CONFIG res1 res2 user_id options num_grps num_ccts partner_id Example ISUP_CONFIG 0 0 0x2d 0x0435 4 1...

Страница 103: ...eter for use when operating in dual resilient configuration This parameter is the module_id of the partner ISUP module equivalent to the module_id field in the ISUP Configure Request message as docume...

Страница 104: ...xt_options field as detailed in the ISUP Programmer s Manual user_inst The instance number of the user application Typically only a single user application exists so this field would be set to zero us...

Страница 105: ...TUP circuit groups that the user intends to use This must not exceed the maximum number of circuit groups supported otherwise module configuration will fail Typically num_grps would be set to the maxi...

Страница 106: ...group base_cid The logical id for the first circuit in the circuit group It must lie in the range 0 to one less than the number of circuits supported cic_mask A 32 bit mask with bits set to indicate w...

Страница 107: ...s Manual Issue 5 107 ssf The value to be used in the sub service field of all TUP messages for this circuit group variant This field is reserved for future use and must be set to zero options2 This fi...

Страница 108: ...s the congestion handling module for gctload then it will stop retrieving messages from the board until the congestion abates Other congestion handling steps may be required depending on the system co...

Страница 109: ...ernative the user may elect to perform protocol configuration by sending messages directly to the other modules in the system See section 4 3 2 Protocol Configuration Using Individual Messages for mor...

Страница 110: ...s sent when the configuration is complete d Enable diagnostic tracing 8 2 4 Example To run the s7_mgt utility as module ID 0xdf with the file my_config txt as its configuration file and notifying the...

Страница 111: ...Dialogic DSI SPCI Network Interface Boards Programmer s Manual Issue 5 111...

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