patch-2.1.37 linux/drivers/isdn/teles/q931.c
Next file: linux/drivers/isdn/teles/tei.c
Previous file: linux/drivers/isdn/teles/proto.h
Back to the patch index
Back to the overall index
- Lines: 1156
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.1.36/linux/drivers/isdn/teles/q931.c
- Orig date:
Thu Feb 27 10:57:30 1997
diff -u --recursive --new-file v2.1.36/linux/drivers/isdn/teles/q931.c linux/drivers/isdn/teles/q931.c
@@ -1,1155 +0,0 @@
-/* $Id: q931.c,v 1.6 1996/09/23 01:53:53 fritz Exp $
- *
- * q931.c code to decode ITU Q.931 call control messages
- *
- * Author Jan den Ouden
- *
- * Changelog
- *
- * Pauline Middelink general improvements
- *
- * Beat Doebeli cause texts, display information element
- *
- * Karsten Keil cause texts, display information element for 1TR6
- *
- *
- * $Log: q931.c,v $
- * Revision 1.6 1996/09/23 01:53:53 fritz
- * Bugfix: discard unknown frames (non-EDSS1 and non-1TR6).
- *
- * Revision 1.5 1996/06/03 20:03:40 fritz
- * Fixed typos.
- *
- * Revision 1.4 1996/05/17 03:46:17 fritz
- * General cleanup.
- *
- * Revision 1.3 1996/04/30 22:06:50 isdn4dev
- * logging 1TR6 messages correctly Karsten Keil
- *
- * Revision 1.2 1996/04/20 16:48:19 fritz
- * Misc. typos
- *
- * Revision 1.1 1996/04/13 10:27:49 fritz
- * Initial revision
- *
- *
- */
-
-
-#define __NO_VERSION__
-#include "teles.h"
-#include "proto.h"
-#include "l3_1TR6.h"
-
-byte *
-findie(byte * p, int size, byte ie, int wanted_set)
-{
- int l, codeset, maincodeset;
- byte *pend = p + size;
-
- /* skip protocol discriminator, callref and message type */
- p++;
- l = (*p++) & 0xf;
- p += l;
- p++;
- codeset = 0;
- maincodeset = 0;
- /* while there are bytes left... */
- while (p < pend) {
- if ((*p & 0xf0) == 0x90) {
- codeset = *p & 0x07;
- if (!(*p & 0x08))
- maincodeset = codeset;
- }
- if (*p & 0x80)
- p++;
- else {
- if (codeset == wanted_set) {
- if (*p == ie)
- return (p);
- if (*p > ie)
- return (NULL);
- }
- p++;
- l = *p++;
- p += l;
- codeset = maincodeset;
- }
- }
- return (NULL);
-}
-
-void
-iecpy(byte * dest, byte * iestart, int ieoffset)
-{
- byte *p;
- int l;
-
- p = iestart + ieoffset + 2;
- l = iestart[1] - ieoffset;
- while (l--)
- *dest++ = *p++;
- *dest++ = '\0';
-}
-
-int
-getcallref(byte * p)
-{
- p++; /* prot discr */
- p++; /* callref length */
- return (*p); /* assuming one-byte callref */
-}
-
-/*
- * According to Table 4-2/Q.931
- */
-static
-struct MessageType {
- byte nr;
- char *descr;
-} mtlist[] = {
-
- {
- 0x1, "ALERTING"
- },
- {
- 0x2, "CALL PROCEEDING"
- },
- {
- 0x7, "CONNECT"
- },
- {
- 0xf, "CONNECT ACKNOWLEDGE"
- },
- {
- 0x3, "PROGRESS"
- },
- {
- 0x5, "SETUP"
- },
- {
- 0xd, "SETUP ACKNOWLEDGE"
- },
- {
- 0x26, "RESUME"
- },
- {
- 0x2e, "RESUME ACKNOWLEDGE"
- },
- {
- 0x22, "RESUME REJECT"
- },
- {
- 0x25, "SUSPEND"
- },
- {
- 0x2d, "SUSPEND ACKNOWLEDGE"
- },
- {
- 0x21, "SUSPEND REJECT"
- },
- {
- 0x20, "USER INFORMATION"
- },
- {
- 0x45, "DISCONNECT"
- },
- {
- 0x4d, "RELEASE"
- },
- {
- 0x5a, "RELEASE COMPLETE"
- },
- {
- 0x46, "RESTART"
- },
- {
- 0x4e, "RESTART ACKNOWLEDGE"
- },
- {
- 0x60, "SEGMENT"
- },
- {
- 0x79, "CONGESTION CONTROL"
- },
- {
- 0x7b, "INFORMATION"
- },
- {
- 0x62, "FACILITY"
- },
- {
- 0x6e, "NOTIFY"
- },
- {
- 0x7d, "STATUS"
- },
- {
- 0x75, "STATUS ENQUIRY"
- }
-};
-
-#define MTSIZE sizeof(mtlist)/sizeof(struct MessageType)
-
-static
-struct MessageType mt_n0[] =
-{
- {MT_N0_REG_IND, "REGister INDication"},
- {MT_N0_CANC_IND, "CANCel INDication"},
- {MT_N0_FAC_STA, "FACility STAtus"},
- {MT_N0_STA_ACK, "STAtus ACKnowledge"},
- {MT_N0_STA_REJ, "STAtus REJect"},
- {MT_N0_FAC_INF, "FACility INFormation"},
- {MT_N0_INF_ACK, "INFormation ACKnowledge"},
- {MT_N0_INF_REJ, "INFormation REJect"},
- {MT_N0_CLOSE, "CLOSE"},
- {MT_N0_CLO_ACK, "CLOse ACKnowledge"}
-};
-
-int mt_n0_len = (sizeof(mt_n0) / sizeof(struct MessageType));
-
-static
-struct MessageType mt_n1[] =
-{
- {MT_N1_ESC, "ESCape"},
- {MT_N1_ALERT, "ALERT"},
- {MT_N1_CALL_SENT, "CALL SENT"},
- {MT_N1_CONN, "CONNect"},
- {MT_N1_CONN_ACK, "CONNect ACKnowledge"},
- {MT_N1_SETUP, "SETUP"},
- {MT_N1_SETUP_ACK, "SETUP ACKnowledge"},
- {MT_N1_RES, "RESume"},
- {MT_N1_RES_ACK, "RESume ACKnowledge"},
- {MT_N1_RES_REJ, "RESume REJect"},
- {MT_N1_SUSP, "SUSPend"},
- {MT_N1_SUSP_ACK, "SUSPend ACKnowledge"},
- {MT_N1_SUSP_REJ, "SUSPend REJect"},
- {MT_N1_USER_INFO, "USER INFO"},
- {MT_N1_DET, "DETach"},
- {MT_N1_DISC, "DISConnect"},
- {MT_N1_REL, "RELease"},
- {MT_N1_REL_ACK, "RELease ACKnowledge"},
- {MT_N1_CANC_ACK, "CANCel ACKnowledge"},
- {MT_N1_CANC_REJ, "CANCel REJect"},
- {MT_N1_CON_CON, "CONgestion CONtrol"},
- {MT_N1_FAC, "FACility"},
- {MT_N1_FAC_ACK, "FACility ACKnowledge"},
- {MT_N1_FAC_CAN, "FACility CANcel"},
- {MT_N1_FAC_REG, "FACility REGister"},
- {MT_N1_FAC_REJ, "FACility REJect"},
- {MT_N1_INFO, "INFOrmation"},
- {MT_N1_REG_ACK, "REGister ACKnowledge"},
- {MT_N1_REG_REJ, "REGister REJect"},
- {MT_N1_STAT, "STATus"}
-};
-
-int mt_n1_len = (sizeof(mt_n1) / sizeof(struct MessageType));
-
-static struct MessageType fac_1tr6[] =
-{
- {FAC_Sperre, "Sperre"},
- {FAC_Forward1, "Forward 1"},
- {FAC_Forward2, "Forward 2"},
- {FAC_Konferenz, "Konferenz"},
- {FAC_GrabBchan, "Grab Bchannel"},
- {FAC_Reactivate, "Reactivate"},
- {FAC_Konferenz3, "Dreier Konferenz"},
- {FAC_Dienstwechsel1, "Einseitiger Dienstwechsel"},
- {FAC_Dienstwechsel2, "Zweiseitiger Dienstwechsel"},
- {FAC_NummernIdent, "Rufnummer-Identifizierung"},
- {FAC_GBG, "GBG"},
- {FAC_DisplayUebergeben, "Display Uebergeben"},
- {FAC_DisplayUmgeleitet, "Display Umgeleitet"},
- {FAC_Unterdruecke, "Unterdruecke Rufnummer"},
- {FAC_Deactivate, "Deactivate"},
- {FAC_Activate, "Activate"},
- {FAC_SPV, "SPV"},
- {FAC_Rueckwechsel, "Rueckwechsel"},
- {FAC_Umleitung, "Umleitung"}
-};
-int fac_1tr6_len = (sizeof(fac_1tr6) / sizeof(struct MessageType));
-
-
-
-static int
-prbits(char *dest, byte b, int start, int len)
-{
- char *dp = dest;
-
- b = b << (8 - start);
- while (len--) {
- if (b & 0x80)
- *dp++ = '1';
- else
- *dp++ = '0';
- b = b << 1;
- }
- return (dp - dest);
-}
-
-static
-byte *
-skipext(byte * p)
-{
- while (!(*p++ & 0x80));
- return (p);
-}
-
-/*
- * Cause Values According to Q.850
- * edescr: English description
- * ddescr: German description used by Swissnet II (Swiss Telecom
- * not yet written...
- */
-
-static
-struct CauseValue {
- byte nr;
- char *edescr;
- char *ddescr;
-} cvlist[] = {
-
- {
- 0x01, "Unallocated (unassigned) number", "Nummer nicht zugeteilt"
- },
- {
- 0x02, "No route to specified transit network", ""
- },
- {
- 0x03, "No route to destination", ""
- },
- {
- 0x04, "Send special information tone", ""
- },
- {
- 0x05, "Misdialled trunk prefix", ""
- },
- {
- 0x06, "Channel unacceptable", "Kanal nicht akzeptierbar"
- },
- {
- 0x07, "Channel awarded and being delivered in an established channel", ""
- },
- {
- 0x08, "Preemption", ""
- },
- {
- 0x09, "Preemption - circuit reserved for reuse", ""
- },
- {
- 0x10, "Normal call clearing", "Normale Ausloesung"
- },
- {
- 0x11, "User busy", "TNB besetzt"
- },
- {
- 0x12, "No user responding", ""
- },
- {
- 0x13, "No answer from user (user alerted)", ""
- },
- {
- 0x14, "Subscriber absent", ""
- },
- {
- 0x15, "Call rejected", ""
- },
- {
- 0x16, "Number changed", ""
- },
- {
- 0x1a, "non-selected user clearing", ""
- },
- {
- 0x1b, "Destination out of order", ""
- },
- {
- 0x1c, "Invalid number format (address incomplete)", ""
- },
- {
- 0x1d, "Facility rejected", ""
- },
- {
- 0x1e, "Response to Status enquiry", ""
- },
- {
- 0x1f, "Normal, unspecified", ""
- },
- {
- 0x22, "No circuit/channel available", ""
- },
- {
- 0x26, "Network out of order", ""
- },
- {
- 0x27, "Permanent frame mode connection out-of-service", ""
- },
- {
- 0x28, "Permanent frame mode connection operational", ""
- },
- {
- 0x29, "Temporary failure", ""
- },
- {
- 0x2a, "Switching equipment congestion", ""
- },
- {
- 0x2b, "Access information discarded", ""
- },
- {
- 0x2c, "Requested circuit/channel not available", ""
- },
- {
- 0x2e, "Precedence call blocked", ""
- },
- {
- 0x2f, "Resource unavailable, unspecified", ""
- },
- {
- 0x31, "Quality of service unavailable", ""
- },
- {
- 0x32, "Requested facility not subscribed", ""
- },
- {
- 0x35, "Outgoing calls barred within CUG", ""
- },
- {
- 0x37, "Incoming calls barred within CUG", ""
- },
- {
- 0x39, "Bearer capability not authorized", ""
- },
- {
- 0x3a, "Bearer capability not presently available", ""
- },
- {
- 0x3e, "Inconsistency in designated outgoing access information and subscriber class ", " "
- },
- {
- 0x3f, "Service or option not available, unspecified", ""
- },
- {
- 0x41, "Bearer capability not implemented", ""
- },
- {
- 0x42, "Channel type not implemented", ""
- },
- {
- 0x43, "Requested facility not implemented", ""
- },
- {
- 0x44, "Only restricted digital information bearer capability is available", ""
- },
- {
- 0x4f, "Service or option not implemented", ""
- },
- {
- 0x51, "Invalid call reference value", ""
- },
- {
- 0x52, "Identified channel does not exist", ""
- },
- {
- 0x53, "A suspended call exists, but this call identity does not", ""
- },
- {
- 0x54, "Call identity in use", ""
- },
- {
- 0x55, "No call suspended", ""
- },
- {
- 0x56, "Call having the requested call identity has been cleared", ""
- },
- {
- 0x57, "User not member of CUG", ""
- },
- {
- 0x58, "Incompatible destination", ""
- },
- {
- 0x5a, "Non-existent CUG", ""
- },
- {
- 0x5b, "Invalid transit network selection", ""
- },
- {
- 0x5f, "Invalid message, unspecified", ""
- },
- {
- 0x60, "Mandatory information element is missing", ""
- },
- {
- 0x61, "Message type non-existent or not implemented", ""
- },
- {
- 0x62, "Message not compatible with call state or message type non-existent or not implemented ", " "
- },
- {
- 0x63, "Information element/parameter non-existent or not implemented", ""
- },
- {
- 0x64, "Invalid information element contents", ""
- },
- {
- 0x65, "Message not compatible with call state", ""
- },
- {
- 0x66, "Recovery on timer expiry", ""
- },
- {
- 0x67, "Parameter non-existent or not implemented - passed on", ""
- },
- {
- 0x6e, "Message with unrecognized parameter discarded", ""
- },
- {
- 0x6f, "Protocol error, unspecified", ""
- },
- {
- 0x7f, "Interworking, unspecified", ""
- },
-};
-
-#define CVSIZE sizeof(cvlist)/sizeof(struct CauseValue)
-
-static
-int
-prcause(char *dest, byte * p)
-{
- byte *end;
- char *dp = dest;
- int i, cause;
-
- end = p + p[1] + 1;
- p += 2;
- dp += sprintf(dp, " coding ");
- dp += prbits(dp, *p, 7, 2);
- dp += sprintf(dp, " location ");
- dp += prbits(dp, *p, 4, 4);
- *dp++ = '\n';
- p = skipext(p);
-
- cause = 0x7f & *p++;
-
- /* locate cause value */
- for (i = 0; i < CVSIZE; i++)
- if (cvlist[i].nr == cause)
- break;
-
- /* display cause value if it exists */
- if (i == CVSIZE)
- dp += sprintf(dp, "Unknown cause type %x!\n", cause);
- else
- dp += sprintf(dp, " cause value %x : %s \n", cause, cvlist[i].edescr);
-
- while (!0) {
- if (p > end)
- break;
- dp += sprintf(dp, " diag attribute %d ", *p++ & 0x7f);
- dp += sprintf(dp, " rej %d ", *p & 0x7f);
- if (*p & 0x80) {
- *dp++ = '\n';
- break;
- } else
- dp += sprintf(dp, " av %d\n", (*++p) & 0x7f);
- }
- return (dp - dest);
-
-}
-
-static
-struct MessageType cause_1tr6[] =
-{
- {CAUSE_InvCRef, "Invalid Call Reference"},
- {CAUSE_BearerNotImpl, "Bearer Service Not Implemented"},
- {CAUSE_CIDunknown, "Caller Identity unknown"},
- {CAUSE_CIDinUse, "Caller Identity in Use"},
- {CAUSE_NoChans, "No Channels available"},
- {CAUSE_FacNotImpl, "Facility Not Implemented"},
- {CAUSE_FacNotSubscr, "Facility Not Subscribed"},
- {CAUSE_OutgoingBarred, "Outgoing calls barred"},
- {CAUSE_UserAccessBusy, "User Access Busy"},
- {CAUSE_NegativeGBG, "Negative GBG"},
- {CAUSE_UnknownGBG, "Unknown GBG"},
- {CAUSE_NoSPVknown, "No SPV known"},
- {CAUSE_DestNotObtain, "Destination not obtainable"},
- {CAUSE_NumberChanged, "Number changed"},
- {CAUSE_OutOfOrder, "Out Of Order"},
- {CAUSE_NoUserResponse, "No User Response"},
- {CAUSE_UserBusy, "User Busy"},
- {CAUSE_IncomingBarred, "Incoming Barred"},
- {CAUSE_CallRejected, "Call Rejected"},
- {CAUSE_NetworkCongestion, "Network Congestion"},
- {CAUSE_RemoteUser, "Remote User initiated"},
- {CAUSE_LocalProcErr, "Local Procedure Error"},
- {CAUSE_RemoteProcErr, "Remote Procedure Error"},
- {CAUSE_RemoteUserSuspend, "Remote User Suspend"},
- {CAUSE_RemoteUserResumed, "Remote User Resumed"},
- {CAUSE_UserInfoDiscarded, "User Info Discarded"}
-};
-
-int cause_1tr6_len = (sizeof(cause_1tr6) / sizeof(struct MessageType));
-
-static int
-prcause_1tr6(char *dest, byte * p)
-{
- char *dp = dest;
- int i, cause;
-
- p++;
- if (0 == *p) {
- dp += sprintf(dp, " OK (cause length=0)\n");
- return (dp - dest);
- } else if (*p > 1) {
- dp += sprintf(dp, " coding ");
- dp += prbits(dp, p[2], 7, 2);
- dp += sprintf(dp, " location ");
- dp += prbits(dp, p[2], 4, 4);
- *dp++ = '\n';
- }
- p++;
- cause = 0x7f & *p;
-
- /* locate cause value */
- for (i = 0; i < cause_1tr6_len; i++)
- if (cause_1tr6[i].nr == cause)
- break;
-
- /* display cause value if it exists */
- if (i == cause_1tr6_len)
- dp += sprintf(dp, "Unknown cause type %x!\n", cause);
- else
- dp += sprintf(dp, " cause value %x : %s \n", cause, cause_1tr6[i].descr);
-
- return (dp - dest);
-
-}
-
-static int
-prchident(char *dest, byte * p) {
- char *dp = dest;
-
- p += 2;
- dp += sprintf(dp, " octet 3 ");
- dp += prbits(dp, *p, 8, 8);
- *dp++ = '\n';
- return (dp - dest);
-}
-
-static int
-prcalled(char *dest, byte * p) {
- int l;
- char *dp = dest;
-
- p++;
- l = *p++ - 1;
- dp += sprintf(dp, " octet 3 ");
- dp += prbits(dp, *p++, 8, 8);
- *dp++ = '\n';
- dp += sprintf(dp, " number digits ");
- while (l--)
- *dp++ = *p++;
- *dp++ = '\n';
- return (dp - dest);
-}
-static int
-prcalling(char *dest, byte * p) {
- int l;
- char *dp = dest;
-
- p++;
- l = *p++ - 1;
- dp += sprintf(dp, " octet 3 ");
- dp += prbits(dp, *p, 8, 8);
- *dp++ = '\n';
- if (!(*p & 0x80)) {
- dp += sprintf(dp, " octet 3a ");
- dp += prbits(dp, *++p, 8, 8);
- *dp++ = '\n';
- l--;
- };
- p++;
-
- dp += sprintf(dp, " number digits ");
- while (l--)
- *dp++ = *p++;
- *dp++ = '\n';
- return (dp - dest);
-}
-
-static
-int
-prbearer(char *dest, byte * p)
-{
- char *dp = dest, ch;
-
- p += 2;
- dp += sprintf(dp, " octet 3 ");
- dp += prbits(dp, *p++, 8, 8);
- *dp++ = '\n';
- dp += sprintf(dp, " octet 4 ");
- dp += prbits(dp, *p, 8, 8);
- *dp++ = '\n';
- if ((*p++ & 0x1f) == 0x18) {
- dp += sprintf(dp, " octet 4.1 ");
- dp += prbits(dp, *p++, 8, 8);
- *dp++ = '\n';
- }
- /* check for user information layer 1 */
- if ((*p & 0x60) == 0x20) {
- ch = ' ';
- do {
- dp += sprintf(dp, " octet 5%c ", ch);
- dp += prbits(dp, *p, 8, 8);
- *dp++ = '\n';
- if (ch == ' ')
- ch = 'a';
- else
- ch++;
- }
- while (!(*p++ & 0x80));
- }
- /* check for user information layer 2 */
- if ((*p & 0x60) == 0x40) {
- dp += sprintf(dp, " octet 6 ");
- dp += prbits(dp, *p++, 8, 8);
- *dp++ = '\n';
- }
- /* check for user information layer 3 */
- if ((*p & 0x60) == 0x60) {
- dp += sprintf(dp, " octet 7 ");
- dp += prbits(dp, *p++, 8, 8);
- *dp++ = '\n';
- }
- return (dp - dest);
-}
-
-static int
-general(char *dest, byte * p) {
- char *dp = dest;
- char ch = ' ';
- int l, octet = 3;
-
- p++;
- l = *p++;
- /* Iterate over all octets in the information element */
- while (l--) {
- dp += sprintf(dp, " octet %d%c ", octet, ch);
- dp += prbits(dp, *p++, 8, 8);
- *dp++ = '\n';
-
- /* last octet in group? */
- if (*p & 0x80) {
- octet++;
- ch = ' ';
- } else if (ch == ' ')
- ch = 'a';
- else
- ch++;
- }
- return (dp - dest);
-}
-
-static int
-prcharge(char *dest, byte * p) {
- char *dp = dest;
- int l;
-
- p++;
- l = *p++ - 1;
- dp += sprintf(dp, " GEA ");
- dp += prbits(dp, *p++, 8, 8);
- dp += sprintf(dp, " Anzahl: ");
- /* Iterate over all octets in the * information element */
- while (l--)
- *dp++ = *p++;
- *dp++ = '\n';
- return (dp - dest);
-}
-static int
-prtext(char *dest, byte * p) {
- char *dp = dest;
- int l;
-
- p++;
- l = *p++;
- dp += sprintf(dp, " ");
- /* Iterate over all octets in the * information element */
- while (l--)
- *dp++ = *p++;
- *dp++ = '\n';
- return (dp - dest);
-}
-static int
-display(char *dest, byte * p) {
- char *dp = dest;
- char ch = ' ';
- int l, octet = 3;
-
- p++;
- l = *p++;
- /* Iterate over all octets in the * display-information element */
- dp += sprintf(dp, " \"");
- while (l--) {
- dp += sprintf(dp, "%c", *p++);
-
- /* last octet in group? */
- if (*p & 0x80) {
- octet++;
- ch = ' ';
- } else if (ch == ' ')
- ch = 'a';
-
- else
- ch++;
- }
- *dp++ = '\"';
- *dp++ = '\n';
- return (dp - dest);
-}
-
-int
-prfacility(char *dest, byte * p)
-{
- char *dp = dest;
- int l, l2;
-
- p++;
- l = *p++;
- dp += sprintf(dp, " octet 3 ");
- dp += prbits(dp, *p++, 8, 8);
- dp += sprintf(dp, "\n");
- l -= 1;
-
- while (l > 0) {
- dp += sprintf(dp, " octet 4 ");
- dp += prbits(dp, *p++, 8, 8);
- dp += sprintf(dp, "\n");
- dp += sprintf(dp, " octet 5 %d\n", l2 = *p++ & 0x7f);
- l -= 2;
- dp += sprintf(dp, " contents ");
- while (l2--) {
- dp += sprintf(dp, "%2x ", *p++);
- l--;
- }
- dp += sprintf(dp, "\n");
- }
-
- return (dp - dest);
-}
-
-static
-struct InformationElement {
- byte nr;
- char *descr;
- int (*f) (char *, byte *);
-} ielist[] = {
-
- {
- 0x00, "Segmented message", general
- },
- {
- 0x04, "Bearer capability", prbearer
- },
- {
- 0x08, "Cause", prcause
- },
- {
- 0x10, "Call identity", general
- },
- {
- 0x14, "Call state", general
- },
- {
- 0x18, "Channel identification", prchident
- },
- {
- 0x1c, "Facility", prfacility
- },
- {
- 0x1e, "Progress indicator", general
- },
- {
- 0x20, "Network-specific facilities", general
- },
- {
- 0x27, "Notification indicator", general
- },
- {
- 0x28, "Display", display
- },
- {
- 0x29, "Date/Time", general
- },
- {
- 0x2c, "Keypad facility", general
- },
- {
- 0x34, "Signal", general
- },
- {
- 0x40, "Information rate", general
- },
- {
- 0x42, "End-to-end delay", general
- },
- {
- 0x43, "Transit delay selection and indication", general
- },
- {
- 0x44, "Packet layer binary parameters", general
- },
- {
- 0x45, "Packet layer window size", general
- },
- {
- 0x46, "Packet size", general
- },
- {
- 0x47, "Closed user group", general
- },
- {
- 0x4a, "Reverse charge indication", general
- },
- {
- 0x6c, "Calling party number", prcalling
- },
- {
- 0x6d, "Calling party subaddress", general
- },
- {
- 0x70, "Called party number", prcalled
- },
- {
- 0x71, "Called party subaddress", general
- },
- {
- 0x74, "Redirecting number", general
- },
- {
- 0x78, "Transit network selection", general
- },
- {
- 0x79, "Restart indicator", general
- },
- {
- 0x7c, "Low layer compatibility", general
- },
- {
- 0x7d, "High layer compatibility", general
- },
- {
- 0x7e, "User-user", general
- },
- {
- 0x7f, "Escape for extension", general
- },
-};
-
-
-#define IESIZE sizeof(ielist)/sizeof(struct InformationElement)
-
-static struct InformationElement we_0[] =
-{
- {WE0_cause, "Cause", prcause_1tr6},
- {WE0_connAddr, "Connecting Address", prcalled},
- {WE0_callID, "Call IDentity", general},
- {WE0_chanID, "Channel IDentity", general},
- {WE0_netSpecFac, "Network Specific Facility", general},
- {WE0_display, "Display", general},
- {WE0_keypad, "Keypad", general},
- {WE0_origAddr, "Origination Address", prcalled},
- {WE0_destAddr, "Destination Address", prcalled},
- {WE0_userInfo, "User Info", general}
-};
-
-static int we_0_len = (sizeof(we_0) / sizeof(struct InformationElement));
-
-static struct InformationElement we_6[] =
-{
- {WE6_serviceInd, "Service Indicator", general},
- {WE6_chargingInfo, "Charging Information", prcharge},
- {WE6_date, "Date", prtext},
- {WE6_facSelect, "Facility Select", general},
- {WE6_facStatus, "Facility Status", general},
- {WE6_statusCalled, "Status Called", general},
- {WE6_addTransAttr, "Additional Transmission Attributes", general}
-};
-static int we_6_len = (sizeof(we_6) / sizeof(struct InformationElement));
-
-void
-dlogframe(struct IsdnCardState *sp, byte * buf, int size, char *comment) {
- byte *bend = buf + size;
- char *dp;
- int i, cs = 0, cs_old = 0, cs_fest = 0;
-
- /* display header */
- dp = sp->dlogspace;
- dp += sprintf(dp, "%s\n", comment);
-
- {
- byte *p = buf;
- dp += sprintf(dp, "hex: ");
- while (p < bend)
- dp += sprintf(dp, "%02x ", *p++);
- dp += sprintf(dp, "\n");
- teles_putstatus(sp->dlogspace);
- dp = sp->dlogspace;
- }
- if ((0xfe & buf[0]) == PROTO_DIS_N0) { /* 1TR6 */
- /* locate message type */
- if (buf[0] == PROTO_DIS_N0) { /* N0 */
- for (i = 0; i < mt_n0_len; i++)
- if (mt_n0[i].nr == buf[3])
- break;
- /* display message type iff it exists */
- if (i == mt_n0_len)
- dp += sprintf(dp, "Unknown message type N0 %x!\n", buf[3]);
- else
- dp += sprintf(dp, "call reference %d size %d message type %s\n",
- buf[2], size, mt_n0[i].descr);
- } else { /* N1 */
- for (i = 0; i < mt_n1_len; i++)
- if (mt_n1[i].nr == buf[3])
- break;
- /* display message type iff it exists */
- if (i == mt_n1_len)
- dp += sprintf(dp, "Unknown message type N1 %x!\n", buf[3]);
- else
- dp += sprintf(dp, "call reference %d size %d message type %s\n",
- buf[2], size, mt_n1[i].descr);
- }
-
- /* display each information element */
- buf += 4;
- while (buf < bend) {
- /* Is it a single octet information element? */
- if (*buf & 0x80) {
- switch ((*buf >> 4) & 7) {
- case 1:
- dp += sprintf(dp, " Shift %x\n", *buf & 0xf);
- cs_old = cs;
- cs = *buf & 7;
- cs_fest = *buf & 8;
- break;
- case 3:
- dp += sprintf(dp, " Congestion level %x\n", *buf & 0xf);
- break;
- case 2:
- if (*buf == 0xa0) {
- dp += sprintf(dp, " More data\n");
- break;
- }
- if (*buf == 0xa1) {
- dp += sprintf(dp, " Sending complete\n");
- }
- break;
- /* fall through */
- default:
- dp += sprintf(dp, " Reserved %x\n", *buf);
- break;
- }
- buf++;
- continue;
- }
- /* No, locate it in the table */
- if (cs == 0) {
- for (i = 0; i < we_0_len; i++)
- if (*buf == we_0[i].nr)
- break;
-
- /* When found, give appropriate msg */
- if (i != we_0_len) {
- dp += sprintf(dp, " %s\n", we_0[i].descr);
- dp += we_0[i].f(dp, buf);
- } else
- dp += sprintf(dp, " Codeset %d attribute %x attribute size %d\n", cs, *buf, buf[1]);
- } else if (cs == 6) {
- for (i = 0; i < we_6_len; i++)
- if (*buf == we_6[i].nr)
- break;
-
- /* When found, give appropriate msg */
- if (i != we_6_len) {
- dp += sprintf(dp, " %s\n", we_6[i].descr);
- dp += we_6[i].f(dp, buf);
- } else
- dp += sprintf(dp, " Codeset %d attribute %x attribute size %d\n", cs, *buf, buf[1]);
- } else
- dp += sprintf(dp, " Unknown Codeset %d attribute %x attribute size %d\n", cs, *buf, buf[1]);
- /* Skip to next element */
- if (cs_fest == 8) {
- cs = cs_old;
- cs_old = 0;
- cs_fest = 0;
- }
- buf += buf[1] + 2;
- }
- } else if (buf[0]==PROTO_EURO) { /* EURO */
- /* locate message type */
- for (i = 0; i < MTSIZE; i++)
- if (mtlist[i].nr == buf[3])
- break;
-
- /* display message type iff it exists */
- if (i == MTSIZE)
- dp += sprintf(dp, "Unknown message type %x!\n", buf[3]);
- else
- dp += sprintf(dp, "call reference %d size %d message type %s\n",
- buf[2], size, mtlist[i].descr);
-
- /* display each information element */
- buf += 4;
- while (buf < bend) {
- /* Is it a single octet information element? */
- if (*buf & 0x80) {
- switch ((*buf >> 4) & 7) {
- case 1:
- dp += sprintf(dp, " Shift %x\n", *buf & 0xf);
- break;
- case 3:
- dp += sprintf(dp, " Congestion level %x\n", *buf & 0xf);
- break;
- case 5:
- dp += sprintf(dp, " Repeat indicator %x\n", *buf & 0xf);
- break;
- case 2:
- if (*buf == 0xa0) {
- dp += sprintf(dp, " More data\n");
- break;
- }
- if (*buf == 0xa1) {
- dp += sprintf(dp, " Sending complete\n");
- }
- break;
- /* fall through */
- default:
- dp += sprintf(dp, " Reserved %x\n", *buf);
- break;
- }
- buf++;
- continue;
- }
- /* No, locate it in the table */
- for (i = 0; i < IESIZE; i++)
- if (*buf == ielist[i].nr)
- break;
-
- /* When not found, give appropriate msg */
- if (i != IESIZE) {
- dp += sprintf(dp, " %s\n", ielist[i].descr);
- dp += ielist[i].f(dp, buf);
- } else
- dp += sprintf(dp, " attribute %x attribute size %d\n", *buf, buf[1]);
-
- /* Skip to next element */
- buf += buf[1] + 2;
- }
- }
- else dp += sprintf(dp,"Unnown frame type %.2x, ignored\n",buf[0]);
-
- dp += sprintf(dp, "\n");
- teles_putstatus(sp->dlogspace);
-}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov