Flow : DLC ------> NODE (link connection)
Field | Type | Description |
---|---|---|
nxtqptr | PTRBFHDR | Pointer to next buffer header in a queue |
hdreptr | PTRBFELT | Pointer to first buffer element if present |
numelts | CHAR | Number of buffer elements |
msgtype | CHAR | Message type: DLCSTAT (0x11) |
srcl | CHAR | Source locality |
srcp | CHAR | Source partner |
srci | INTEGER | Source index |
destl | CHAR | Destination locality |
destp | CHAR | Destination partner |
desti | INTEGER | Destination index |
dshdr.dstype | CHAR | Status type: QOPNSTN (0x16) |
dshdr.dsqual | CHAR | Station address on XID or mode-set command. Set to 0x01 for 802.2 |
dshdr.dsmdset | CHAR | Rcv-Set-Mode flag 0x00 XID received 0x01 Mode set command received for example, SNRM for SDLC SABME for 802.2 QSM for X.25 |
Element | ||
hdreptr–>elteptr | PTRBFELT | Pointer to next buffer element (NULL is only one element) |
hdreptr–>startd | INTEGER | Index to start of data in this buffer element's data array: 1 |
hdreptr–>endd | INTEGER | Index to last byte of data in this buffer element's data array |
hdreptr–>dataru | CHAR[SNANBEDA] | Defined as follows, where s = startd–1 |
dataru[s..s+n–1] | XID-starting at first byte of received XID information field. 0x00 NULL XID received (n = 1) and signaling information present. |
Field | Description | |
---|---|---|
dataru[s+n] | Length of data, including this bytes | |
dataru[s+n+1] | Type of data (not used at present) | |
dataru[s+n+2..s+m] | Address or other identifier data. For example, MAC address of remote station X.25 address of remote station |