patch-2.0.36 linux/drivers/isdn/hisax/l3dss1.c
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- Lines: 2209
- Date:
Sun Nov 15 10:32:58 1998
- Orig file:
v2.0.35/linux/drivers/isdn/hisax/l3dss1.c
- Orig date:
Mon Aug 4 17:34:00 1997
diff -u --recursive --new-file v2.0.35/linux/drivers/isdn/hisax/l3dss1.c linux/drivers/isdn/hisax/l3dss1.c
@@ -1,82 +1,303 @@
-/* $Id: l3dss1.c,v 1.16 1997/06/03 20:43:46 keil Exp $
+/* $Id: l3dss1.c,v 1.16.2.8 1998/11/03 00:07:14 keil Exp $
* EURO/DSS1 D-channel protocol
*
* Author Karsten Keil (keil@temic-ech.spacenet.de)
* based on the teles driver from Jan den Ouden
*
+ * This file is (c) under GNU PUBLIC LICENSE
+ * For changes and modifications please read
+ * ../../../Documentation/isdn/HiSax.cert
+ *
* Thanks to Jan den Ouden
* Fritz Elfert
*
* $Log: l3dss1.c,v $
- * Revision 1.16 1997/06/03 20:43:46 keil
- * Display numbers as default
- *
- * Revision 1.15 1997/04/17 11:50:48 keil
- * pa->loc was undefined, if it was not send by the exchange
- *
- * Revision 1.14 1997/04/06 22:54:20 keil
- * Using SKB's
- *
- * Revision 1.13 1997/03/13 20:37:28 keil
- * CLIR and channel request added
- *
- * Revision 1.12 1997/02/17 00:34:26 keil
- * Bugfix: Wrong cause delivered
+ * Revision 1.16.2.8 1998/11/03 00:07:14 keil
+ * certification related changes
+ * fixed logging for smaller stack use
*
- * Revision 1.11 1997/02/16 12:12:47 fritz
- * Bugfix: SI2 was nont initialized on incoming calls.
+ * Revision 1.16.2.7 1998/10/25 18:16:25 fritz
+ * Replaced some read-only variables by defines.
*
- * Revision 1.10 1997/02/11 01:37:24 keil
- * Changed setup-interface (incoming and outgoing)
+ * Revision 1.16.2.6 1998/10/23 15:00:56 fritz
+ * Eliminated a compiler warning.
*
- * Revision 1.9 1997/01/27 23:20:52 keil
- * report revision only ones
+ * Revision 1.16.2.5 1998/09/27 13:06:48 keil
+ * Apply most changes from 2.1.X (HiSax 3.1)
*
- * Revision 1.8 1997/01/21 22:29:41 keil
- * new statemachine; L3 timers
+ * Revision 1.16.2.4 1998/05/27 18:06:08 keil
+ * HiSax 3.0
*
- * Revision 1.7 1996/12/14 21:06:59 keil
- * additional states for CC_REJECT
+ * Revision 1.16.2.3 1998/02/03 23:16:06 keil
+ * german AOC
*
- * Revision 1.6 1996/12/08 22:59:16 keil
- * fixed calling party number without octet 3a
+ * Revision 1.16.2.2 1997/11/15 18:54:15 keil
+ * cosmetics
*
- * Revision 1.5 1996/12/08 19:53:31 keil
- * fixes from Pekka Sarnila
+ * Revision 1.16.2.1 1997/10/17 22:14:16 keil
+ * update to last hisax version
*
- * Revision 1.4 1996/11/05 19:44:36 keil
- * some fixes from Henner Eisen
+ * Revision 2.2 1997/08/07 17:44:36 keil
+ * Fix RESTART
*
- * Revision 1.3 1996/10/30 10:18:01 keil
- * bugfixes in debugging output
+ * Revision 2.1 1997/08/03 14:36:33 keil
+ * Implement RESTART procedure
*
- * Revision 1.2 1996/10/27 22:15:16 keil
- * bugfix reject handling
+ * Revision 2.0 1997/07/27 21:15:43 keil
+ * New Callref based layer3
*
- * Revision 1.1 1996/10/13 20:04:55 keil
- * Initial revision
+ * Revision 1.17 1997/06/26 11:11:46 keil
+ * SET_SKBFREE now on creation of a SKB
*
+ * Revision 1.15 1997/04/17 11:50:48 keil
+ * pa->loc was undefined, if it was not send by the exchange
*
+ * Old log removed /KKe
*
*/
#define __NO_VERSION__
#include "hisax.h"
#include "isdnl3.h"
+#include "l3dss1.h"
#include <linux/ctype.h>
extern char *HiSax_getrev(const char *revision);
-const char *dss1_revision = "$Revision: 1.16 $";
+const char *dss1_revision = "$Revision: 1.16.2.8 $";
+
+#define EXT_BEARER_CAPS 1
#define MsgHead(ptr, cref, mty) \
*ptr++ = 0x8; \
*ptr++ = 0x1; \
- *ptr++ = cref; \
+ *ptr++ = cref^0x80; \
*ptr++ = mty
+
+#if HISAX_DE_AOC
static void
-l3dss1_message(struct PStack *st, u_char mt)
+l3dss1_parse_facility(struct l3_process *pc, u_char * p)
+{
+ int qd_len = 0;
+
+ p++;
+ qd_len = *p++;
+ if (qd_len == 0) {
+ l3_debug(pc->st, "qd_len == 0");
+ return;
+ }
+ if ((*p & 0x1F) != 0x11) { /* Service discriminator, supplementary service */
+ l3_debug(pc->st, "supplementary service != 0x11");
+ return;
+ }
+ while (qd_len > 0 && !(*p & 0x80)) { /* extension ? */
+ p++;
+ qd_len--;
+ }
+ if (qd_len < 2) {
+ l3_debug(pc->st, "qd_len < 2");
+ return;
+ }
+ p++;
+ qd_len--;
+ if ((*p & 0xE0) != 0xA0) { /* class and form */
+ l3_debug(pc->st, "class and form != 0xA0");
+ return;
+ }
+ switch (*p & 0x1F) { /* component tag */
+ case 1: /* invoke */
+ {
+ unsigned char nlen = 0, ilen;
+ int ident;
+
+ p++;
+ qd_len--;
+ if (qd_len < 1) {
+ l3_debug(pc->st, "qd_len < 1");
+ break;
+ }
+ if (*p & 0x80) { /* length format */
+ l3_debug(pc->st, "*p & 0x80 length format");
+ break;
+ }
+ nlen = *p++;
+ qd_len--;
+ if (qd_len < nlen) {
+ l3_debug(pc->st, "qd_len < nlen");
+ return;
+ }
+ qd_len -= nlen;
+
+ if (nlen < 2) {
+ l3_debug(pc->st, "nlen < 2");
+ return;
+ }
+ if (*p != 0x02) { /* invoke identifier tag */
+ l3_debug(pc->st, "invoke identifier tag !=0x02");
+ return;
+ }
+ p++;
+ nlen--;
+ if (*p & 0x80) { /* length format */
+ l3_debug(pc->st, "*p & 0x80 length format 2");
+ break;
+ }
+ ilen = *p++;
+ nlen--;
+ if (ilen > nlen || ilen == 0) {
+ l3_debug(pc->st, "ilen > nlen || ilen == 0");
+ return;
+ }
+ nlen -= ilen;
+ ident = 0;
+ while (ilen > 0) {
+ ident = (ident << 8) | (*p++ & 0xFF); /* invoke identifier */
+ ilen--;
+ }
+
+ if (nlen < 2) {
+ l3_debug(pc->st, "nlen < 2 22");
+ return;
+ }
+ if (*p != 0x02) { /* operation value */
+ l3_debug(pc->st, "operation value !=0x02");
+ return;
+ }
+ p++;
+ nlen--;
+ ilen = *p++;
+ nlen--;
+ if (ilen > nlen || ilen == 0) {
+ l3_debug(pc->st, "ilen > nlen || ilen == 0 22");
+ return;
+ }
+ nlen -= ilen;
+ ident = 0;
+ while (ilen > 0) {
+ ident = (ident << 8) | (*p++ & 0xFF);
+ ilen--;
+ }
+
+#define FOO1(s,a,b) \
+ while(nlen > 1) { \
+ int ilen = p[1]; \
+ if(nlen < ilen+2) { \
+ l3_debug(pc->st, "FOO1 nlen < ilen+2"); \
+ return; \
+ } \
+ nlen -= ilen+2; \
+ if((*p & 0xFF) == (a)) { \
+ int nlen = ilen; \
+ p += 2; \
+ b; \
+ } else { \
+ p += ilen+2; \
+ } \
+ }
+
+ switch (ident) {
+ default:
+ break;
+ case 0x22: /* during */
+ FOO1("1A", 0x30, FOO1("1C", 0xA1, FOO1("1D", 0x30, FOO1("1E", 0x02, ( {
+ ident = 0;
+ nlen = (nlen)?nlen:0; /* Make gcc happy */
+ while (ilen > 0) {
+ ident = (ident << 8) | *p++;
+ ilen--;
+ }
+ if (ident > pc->para.chargeinfo) {
+ pc->para.chargeinfo = ident;
+ pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
+ }
+ if (pc->st->l3.debug & L3_DEB_CHARGE) {
+ if (*(p + 2) == 0) {
+ l3_debug(pc->st, "charging info during %d", pc->para.chargeinfo);
+ }
+ else {
+ l3_debug(pc->st, "charging info final %d", pc->para.chargeinfo);
+ }
+ }
+ }
+ )))))
+ break;
+ case 0x24: /* final */
+ FOO1("2A", 0x30, FOO1("2B", 0x30, FOO1("2C", 0xA1, FOO1("2D", 0x30, FOO1("2E", 0x02, ( {
+ ident = 0;
+ nlen = (nlen)?nlen:0; /* Make gcc happy */
+ while (ilen > 0) {
+ ident = (ident << 8) | *p++;
+ ilen--;
+ }
+ if (ident > pc->para.chargeinfo) {
+ pc->para.chargeinfo = ident;
+ pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
+ }
+ if (pc->st->l3.debug & L3_DEB_CHARGE) {
+ l3_debug(pc->st, "charging info final %d", pc->para.chargeinfo);
+ }
+ }
+ ))))))
+ break;
+ }
+#undef FOO1
+
+ }
+ break;
+ case 2: /* return result */
+ l3_debug(pc->st, "return result break");
+ break;
+ case 3: /* return error */
+ l3_debug(pc->st, "return error break");
+ break;
+ default:
+ l3_debug(pc->st, "default break");
+ break;
+ }
+}
+#endif
+
+static int
+l3dss1_check_messagetype_validity(int mt)
+{
+/* verify if a message type exists */
+ switch (mt) {
+ case MT_ALERTING:
+ case MT_CALL_PROCEEDING:
+ case MT_CONNECT:
+ case MT_CONNECT_ACKNOWLEDGE:
+ case MT_PROGRESS:
+ case MT_SETUP:
+ case MT_SETUP_ACKNOWLEDGE:
+ case MT_RESUME:
+ case MT_RESUME_ACKNOWLEDGE:
+ case MT_RESUME_REJECT:
+ case MT_SUSPEND:
+ case MT_SUSPEND_ACKNOWLEDGE:
+ case MT_SUSPEND_REJECT:
+ case MT_USER_INFORMATION:
+ case MT_DISCONNECT:
+ case MT_RELEASE:
+ case MT_RELEASE_COMPLETE:
+ case MT_RESTART:
+ case MT_RESTART_ACKNOWLEDGE:
+ case MT_SEGMENT:
+ case MT_CONGESTION_CONTROL:
+ case MT_INFORMATION:
+ case MT_FACILITY:
+ case MT_NOTIFY:
+ case MT_STATUS:
+ case MT_STATUS_ENQUIRY:
+ return(1);
+ default:
+ return(0);
+ }
+ return(0);
+}
+
+static void
+l3dss1_message(struct l3_process *pc, u_char mt)
{
struct sk_buff *skb;
u_char *p;
@@ -84,44 +305,283 @@
if (!(skb = l3_alloc_skb(4)))
return;
p = skb_put(skb, 4);
- MsgHead(p, st->l3.callref, mt);
- st->l3.l3l2(st, DL_DATA, skb);
+ MsgHead(p, pc->callref, mt);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
}
static void
-l3dss1_release_req(struct PStack *st, u_char pr, void *arg)
+l3dss1_release_req(struct l3_process *pc, u_char pr, void *arg)
{
- StopAllL3Timer(st);
- newl3state(st, 19);
- l3dss1_message(st, MT_RELEASE);
- L3AddTimer(&st->l3.timer, st->l3.t308, CC_T308_1);
+ StopAllL3Timer(pc);
+ newl3state(pc, 19);
+ l3dss1_message(pc, MT_RELEASE);
+ L3AddTimer(&pc->timer, T308, CC_T308_1);
}
static void
-l3dss1_release_cmpl(struct PStack *st, u_char pr, void *arg)
+l3dss1_release_cmpl(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
struct sk_buff *skb = arg;
int cause = -1;
p = skb->data;
- st->pa->loc = 0;
+ pc->para.loc = 0;
if ((p = findie(p, skb->len, IE_CAUSE, 0))) {
p++;
if (*p++ == 2)
- st->pa->loc = *p++;
+ pc->para.loc = *p++;
cause = *p & 0x7f;
}
- SET_SKB_FREE(skb);
dev_kfree_skb(skb, FREE_READ);
- StopAllL3Timer(st);
- st->pa->cause = cause;
- newl3state(st, 0);
- st->l3.l3l4(st, CC_RELEASE_CNF, NULL);
+ StopAllL3Timer(pc);
+ pc->para.cause = cause;
+ newl3state(pc, 0);
+ pc->st->l3.l3l4(pc->st, CC_RELEASE | CONFIRM, pc);
+ release_l3_process(pc);
+}
+
+#if EXT_BEARER_CAPS
+
+u_char *
+EncodeASyncParams(u_char * p, u_char si2)
+{ // 7c 06 88 90 21 42 00 bb
+
+ p[0] = p[1] = 0;
+ p[2] = 0x80;
+ if (si2 & 32) // 7 data bits
+
+ p[2] += 16;
+ else // 8 data bits
+
+ p[2] += 24;
+
+ if (si2 & 16) // 2 stop bits
+
+ p[2] += 96;
+ else // 1 stop bit
+
+ p[2] = 32;
+
+ if (si2 & 8) // even parity
+
+ p[2] += 2;
+ else // no parity
+
+ p[2] += 3;
+
+ switch (si2 & 0x07) {
+ case 0:
+ p[0] = 66; // 1200 bit/s
+
+ break;
+ case 1:
+ p[0] = 88; // 1200/75 bit/s
+
+ break;
+ case 2:
+ p[0] = 87; // 75/1200 bit/s
+
+ break;
+ case 3:
+ p[0] = 67; // 2400 bit/s
+
+ break;
+ case 4:
+ p[0] = 69; // 4800 bit/s
+
+ break;
+ case 5:
+ p[0] = 72; // 9600 bit/s
+
+ break;
+ case 6:
+ p[0] = 73; // 14400 bit/s
+
+ break;
+ case 7:
+ p[0] = 75; // 19200 bit/s
+
+ break;
+ }
+ return p + 3;
+}
+
+u_char
+EncodeSyncParams(u_char si2, u_char ai)
+{
+
+ switch (si2) {
+ case 0:
+ return ai + 2; // 1200 bit/s
+
+ case 1:
+ return ai + 24; // 1200/75 bit/s
+
+ case 2:
+ return ai + 23; // 75/1200 bit/s
+
+ case 3:
+ return ai + 3; // 2400 bit/s
+
+ case 4:
+ return ai + 5; // 4800 bit/s
+
+ case 5:
+ return ai + 8; // 9600 bit/s
+
+ case 6:
+ return ai + 9; // 14400 bit/s
+
+ case 7:
+ return ai + 11; // 19200 bit/s
+
+ case 8:
+ return ai + 14; // 48000 bit/s
+
+ case 9:
+ return ai + 15; // 56000 bit/s
+
+ case 15:
+ return ai + 40; // negotiate bit/s
+
+ default:
+ break;
+ }
+ return ai;
+}
+
+
+static u_char
+DecodeASyncParams(u_char si2, u_char * p)
+{
+ u_char info;
+
+ switch (p[5]) {
+ case 66: // 1200 bit/s
+
+ break; // si2 don't change
+
+ case 88: // 1200/75 bit/s
+
+ si2 += 1;
+ break;
+ case 87: // 75/1200 bit/s
+
+ si2 += 2;
+ break;
+ case 67: // 2400 bit/s
+
+ si2 += 3;
+ break;
+ case 69: // 4800 bit/s
+
+ si2 += 4;
+ break;
+ case 72: // 9600 bit/s
+
+ si2 += 5;
+ break;
+ case 73: // 14400 bit/s
+
+ si2 += 6;
+ break;
+ case 75: // 19200 bit/s
+
+ si2 += 7;
+ break;
+ }
+
+ info = p[7] & 0x7f;
+ if ((info & 16) && (!(info & 8))) // 7 data bits
+
+ si2 += 32; // else 8 data bits
+
+ if ((info & 96) == 96) // 2 stop bits
+
+ si2 += 16; // else 1 stop bit
+
+ if ((info & 2) && (!(info & 1))) // even parity
+
+ si2 += 8; // else no parity
+
+ return si2;
}
+
+static u_char
+DecodeSyncParams(u_char si2, u_char info)
+{
+ info &= 0x7f;
+ switch (info) {
+ case 40: // bit/s negotiation failed ai := 165 not 175!
+
+ return si2 + 15;
+ case 15: // 56000 bit/s failed, ai := 0 not 169 !
+
+ return si2 + 9;
+ case 14: // 48000 bit/s
+
+ return si2 + 8;
+ case 11: // 19200 bit/s
+
+ return si2 + 7;
+ case 9: // 14400 bit/s
+
+ return si2 + 6;
+ case 8: // 9600 bit/s
+
+ return si2 + 5;
+ case 5: // 4800 bit/s
+
+ return si2 + 4;
+ case 3: // 2400 bit/s
+
+ return si2 + 3;
+ case 23: // 75/1200 bit/s
+
+ return si2 + 2;
+ case 24: // 1200/75 bit/s
+
+ return si2 + 1;
+ default: // 1200 bit/s
+
+ return si2;
+ }
+}
+
+static u_char
+DecodeSI2(struct sk_buff *skb)
+{
+ u_char *p; //, *pend=skb->data + skb->len;
+
+ if ((p = findie(skb->data, skb->len, 0x7c, 0))) {
+ switch (p[4] & 0x0f) {
+ case 0x01:
+ if (p[1] == 0x04) // sync. Bitratenadaption
+
+ return DecodeSyncParams(160, p[5]); // V.110/X.30
+
+ else if (p[1] == 0x06) // async. Bitratenadaption
+
+ return DecodeASyncParams(192, p); // V.110/X.30
+
+ break;
+ case 0x08: // if (p[5] == 0x02) // sync. Bitratenadaption
+
+ return DecodeSyncParams(176, p[5]); // V.120
+
+ break;
+ }
+ }
+ return 0;
+}
+
+#endif
+
+
static void
-l3dss1_setup_req(struct PStack *st, u_char pr,
+l3dss1_setup_req(struct l3_process *pc, u_char pr,
void *arg)
{
struct sk_buff *skb;
@@ -131,16 +591,19 @@
u_char screen = 0x80;
u_char *teln;
u_char *msn;
+ u_char *sub;
+ u_char *sp;
int l;
- st->l3.callref = st->pa->callref;
- MsgHead(p, st->l3.callref, MT_SETUP);
+ MsgHead(p, pc->callref, MT_SETUP);
/*
* Set Bearer Capability, Map info from 1TR6-convention to EDSS1
*/
+#if HISAX_EURO_SENDCOMPLETE
*p++ = 0xa1; /* complete indicator */
- switch (st->pa->setup.si1) {
+#endif
+ switch (pc->para.setup.si1) {
case 1: /* Telephony */
*p++ = 0x4; /* BC-IE-code */
*p++ = 0x3; /* Length */
@@ -160,7 +623,7 @@
/*
* What about info2? Mapping to High-Layer-Compatibility?
*/
- teln = st->pa->setup.phone;
+ teln = pc->para.setup.phone;
if (*teln) {
/* parse number for special things */
if (!isdigit(*teln)) {
@@ -182,19 +645,28 @@
screen = 0x80;
break;
default:
- if (st->l3.debug & L3_DEB_WARN)
- l3_debug(st, "Wrong MSN Code");
+ if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "Wrong MSN Code");
break;
}
teln++;
}
}
if (channel) {
- *p++ = 0x18; /* channel indicator */
+ *p++ = IE_CHANNEL_ID;
*p++ = 1;
*p++ = channel;
}
- msn = st->pa->setup.eazmsn;
+ msn = pc->para.setup.eazmsn;
+ sub = NULL;
+ sp = msn;
+ while (*sp) {
+ if ('.' == *sp) {
+ sub = sp;
+ *sp = 0;
+ } else
+ sp++;
+ }
if (*msn) {
*p++ = 0x6c;
*p++ = strlen(msn) + (screen ? 2 : 1);
@@ -207,241 +679,389 @@
while (*msn)
*p++ = *msn++ & 0x7f;
}
+ if (sub) {
+ *sub++ = '.';
+ *p++ = 0x6d; /* Calling party subaddress */
+ *p++ = strlen(sub) + 2;
+ *p++ = 0x80; /* NSAP coded */
+ *p++ = 0x50; /* local IDI format */
+ while (*sub)
+ *p++ = *sub++ & 0x7f;
+ }
+ sub = NULL;
+ sp = teln;
+ while (*sp) {
+ if ('.' == *sp) {
+ sub = sp;
+ *sp = 0;
+ } else
+ sp++;
+ }
*p++ = 0x70;
*p++ = strlen(teln) + 1;
/* Classify as AnyPref. */
*p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */
-
while (*teln)
*p++ = *teln++ & 0x7f;
+ if (sub) {
+ *sub++ = '.';
+ *p++ = 0x71; /* Called party subaddress */
+ *p++ = strlen(sub) + 2;
+ *p++ = 0x80; /* NSAP coded */
+ *p++ = 0x50; /* local IDI format */
+ while (*sub)
+ *p++ = *sub++ & 0x7f;
+ }
+#if EXT_BEARER_CAPS
+ if ((pc->para.setup.si2 >= 160) && (pc->para.setup.si2 <= 175)) { // sync. Bitratenadaption, V.110/X.30
+
+ *p++ = 0x7c;
+ *p++ = 0x04;
+ *p++ = 0x88;
+ *p++ = 0x90;
+ *p++ = 0x21;
+ *p++ = EncodeSyncParams(pc->para.setup.si2 - 160, 0x80);
+ } else if ((pc->para.setup.si2 >= 176) && (pc->para.setup.si2 <= 191)) { // sync. Bitratenadaption, V.120
+
+ *p++ = 0x7c;
+ *p++ = 0x05;
+ *p++ = 0x88;
+ *p++ = 0x90;
+ *p++ = 0x28;
+ *p++ = EncodeSyncParams(pc->para.setup.si2 - 176, 0);
+ *p++ = 0x82;
+ } else if (pc->para.setup.si2 >= 192) { // async. Bitratenadaption, V.110/X.30
+
+ *p++ = 0x7c;
+ *p++ = 0x06;
+ *p++ = 0x88;
+ *p++ = 0x90;
+ *p++ = 0x21;
+ p = EncodeASyncParams(p, pc->para.setup.si2 - 192);
+#if HISAX_SEND_STD_LLC_IE
+ } else {
+ *p++ = 0x7c;
+ *p++ = 0x02;
+ *p++ = 0x88;
+ *p++ = 0x90;
+#endif
+ }
+#endif
l = p - tmp;
if (!(skb = l3_alloc_skb(l)))
return;
memcpy(skb_put(skb, l), tmp, l);
- L3DelTimer(&st->l3.timer);
- L3AddTimer(&st->l3.timer, st->l3.t303, CC_T303);
- newl3state(st, 1);
- st->l3.l3l2(st, DL_DATA, skb);
-
+ L3DelTimer(&pc->timer);
+ L3AddTimer(&pc->timer, T303, CC_T303);
+ newl3state(pc, 1);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
}
static void
-l3dss1_call_proc(struct PStack *st, u_char pr, void *arg)
+l3dss1_call_proc(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
struct sk_buff *skb = arg;
- L3DelTimer(&st->l3.timer);
+ L3DelTimer(&pc->timer);
p = skb->data;
- if ((p = findie(p, skb->len, 0x18, 0))) {
- st->pa->bchannel = p[2] & 0x3;
- if ((!st->pa->bchannel) && (st->l3.debug & L3_DEB_WARN))
- l3_debug(st, "setup answer without bchannel");
- } else if (st->l3.debug & L3_DEB_WARN)
- l3_debug(st, "setup answer without bchannel");
- SET_SKB_FREE(skb);
+ if ((p = findie(p, skb->len, IE_CHANNEL_ID, 0))) {
+ pc->para.bchannel = p[2] & 0x3;
+ if ((!pc->para.bchannel) && (pc->debug & L3_DEB_WARN))
+ l3_debug(pc->st, "setup answer without bchannel");
+ } else if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "setup answer without bchannel");
dev_kfree_skb(skb, FREE_READ);
- newl3state(st, 3);
- L3AddTimer(&st->l3.timer, st->l3.t310, CC_T310);
- st->l3.l3l4(st, CC_PROCEEDING_IND, NULL);
+ newl3state(pc, 3);
+ L3AddTimer(&pc->timer, T310, CC_T310);
+ pc->st->l3.l3l4(pc->st, CC_PROCEEDING | INDICATION, pc);
}
static void
-l3dss1_setup_ack(struct PStack *st, u_char pr, void *arg)
+l3dss1_setup_ack(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
struct sk_buff *skb = arg;
- L3DelTimer(&st->l3.timer);
+ L3DelTimer(&pc->timer);
p = skb->data;
- if ((p = findie(p, skb->len, 0x18, 0))) {
- st->pa->bchannel = p[2] & 0x3;
- if ((!st->pa->bchannel) && (st->l3.debug & L3_DEB_WARN))
- l3_debug(st, "setup answer without bchannel");
- } else if (st->l3.debug & L3_DEB_WARN)
- l3_debug(st, "setup answer without bchannel");
- SET_SKB_FREE(skb);
+ if ((p = findie(p, skb->len, IE_CHANNEL_ID, 0))) {
+ pc->para.bchannel = p[2] & 0x3;
+ if ((!pc->para.bchannel) && (pc->debug & L3_DEB_WARN))
+ l3_debug(pc->st, "setup answer without bchannel");
+ } else if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "setup answer without bchannel");
dev_kfree_skb(skb, FREE_READ);
- newl3state(st, 2);
- L3AddTimer(&st->l3.timer, st->l3.t304, CC_T304);
- st->l3.l3l4(st, CC_MORE_INFO, NULL);
+ newl3state(pc, 2);
+ L3AddTimer(&pc->timer, T304, CC_T304);
+ pc->st->l3.l3l4(pc->st, CC_MORE_INFO | INDICATION, pc);
}
static void
-l3dss1_disconnect(struct PStack *st, u_char pr, void *arg)
+l3dss1_disconnect(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
struct sk_buff *skb = arg;
int cause = -1;
- StopAllL3Timer(st);
+ StopAllL3Timer(pc);
p = skb->data;
- st->pa->loc = 0;
+ pc->para.loc = 0;
if ((p = findie(p, skb->len, IE_CAUSE, 0))) {
p++;
if (*p++ == 2)
- st->pa->loc = *p++;
+ pc->para.loc = *p++;
cause = *p & 0x7f;
}
- SET_SKB_FREE(skb);
dev_kfree_skb(skb, FREE_READ);
- newl3state(st, 12);
- st->pa->cause = cause;
- st->l3.l3l4(st, CC_DISCONNECT_IND, NULL);
+ newl3state(pc, 12);
+ pc->para.cause = cause;
+ pc->st->l3.l3l4(pc->st, CC_DISCONNECT | INDICATION, pc);
}
static void
-l3dss1_connect(struct PStack *st, u_char pr, void *arg)
+l3dss1_connect(struct l3_process *pc, u_char pr, void *arg)
{
struct sk_buff *skb = arg;
- SET_SKB_FREE(skb);
dev_kfree_skb(skb, FREE_READ);
- L3DelTimer(&st->l3.timer); /* T310 */
- newl3state(st, 10);
- st->l3.l3l4(st, CC_SETUP_CNF, NULL);
+ L3DelTimer(&pc->timer); /* T310 */
+ newl3state(pc, 10);
+ pc->para.chargeinfo = 0;
+ pc->st->l3.l3l4(pc->st, CC_SETUP | CONFIRM, pc);
}
static void
-l3dss1_alerting(struct PStack *st, u_char pr, void *arg)
+l3dss1_alerting(struct l3_process *pc, u_char pr, void *arg)
{
struct sk_buff *skb = arg;
- SET_SKB_FREE(skb);
dev_kfree_skb(skb, FREE_READ);
- L3DelTimer(&st->l3.timer); /* T304 */
- newl3state(st, 4);
- st->l3.l3l4(st, CC_ALERTING_IND, NULL);
+ L3DelTimer(&pc->timer); /* T304 */
+ newl3state(pc, 4);
+ pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc);
}
static void
-l3dss1_setup(struct PStack *st, u_char pr, void *arg)
+l3dss1_msg_without_setup(struct l3_process *pc, u_char pr, void *arg)
{
- u_char *p;
+ /* This routine is called if here was no SETUP made (checks in dss1up and in
+ * l3dss1_setup) and a RELEASE_COMPLETE have to be sent with an error code
+ * MT_STATUS_ENQUIRE in the NULL state is handled too
+ */
+ u_char tmp[16];
+ u_char *p = tmp;
+ int l;
+ struct sk_buff *skb;
+
+ switch (pc->para.cause) {
+ case 81: /* 0x51 invalid callreference */
+ case 88: /* 0x58 incomp destination */
+ case 96: /* 0x60 mandory IE missing */
+ case 101: /* 0x65 incompatible Callstate */
+ MsgHead(p, pc->callref, MT_RELEASE_COMPLETE);
+ *p++ = IE_CAUSE;
+ *p++ = 0x2;
+ *p++ = 0x80;
+ *p++ = pc->para.cause | 0x80;
+ break;
+ default:
+ printk(KERN_ERR "HiSax internal error l3dss1_msg_without_setup\n");
+ return;
+ }
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ release_l3_process(pc);
+}
+
+static void
+l3dss1_setup(struct l3_process *pc, u_char pr, void *arg)
+{
+ u_char *p, *ptmp[8];
+ int i;
int bcfound = 0;
char tmp[80];
struct sk_buff *skb = arg;
+ /* ETS 300-104 1.3.4 and 1.3.5
+ * we need to detect unknown inform. element from 0 to 7
+ */
p = skb->data;
- st->pa->callref = getcallref(p);
- st->l3.callref = 0x80 + st->pa->callref;
-
+ for (i = 0; i < 8; i++)
+ ptmp[i] = skb->data;
+ if (findie(ptmp[1], skb->len, 0x01, 0)
+ || findie(ptmp[2], skb->len, 0x02, 0)
+ || findie(ptmp[3], skb->len, 0x03, 0)
+ || findie(ptmp[5], skb->len, 0x05, 0)
+ || findie(ptmp[6], skb->len, 0x06, 0)
+ || findie(ptmp[7], skb->len, 0x07, 0)) {
+ /* if ie is < 8 and not 0 nor 4, send RELEASE_COMPLETE
+ * cause 0x60
+ */
+ pc->para.cause = 0x60;
+ dev_kfree_skb(skb, FREE_READ);
+ l3dss1_msg_without_setup(pc, pr, NULL);
+ return;
+ }
/*
* Channel Identification
*/
p = skb->data;
- if ((p = findie(p, skb->len, 0x18, 0))) {
- st->pa->bchannel = p[2] & 0x3;
- if (st->pa->bchannel)
+ if ((p = findie(p, skb->len, IE_CHANNEL_ID, 0))) {
+ pc->para.bchannel = p[2] & 0x3;
+ if (pc->para.bchannel)
bcfound++;
- else if (st->l3.debug & L3_DEB_WARN)
- l3_debug(st, "setup without bchannel");
- } else if (st->l3.debug & L3_DEB_WARN)
- l3_debug(st, "setup without bchannel");
-
+ else if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "setup without bchannel");
+ } else {
+ if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "setup without bchannel");
+ pc->para.cause = 0x60;
+ dev_kfree_skb(skb, FREE_READ);
+ l3dss1_msg_without_setup(pc, pr, NULL);
+ return;
+ }
/*
* Bearer Capabilities
*/
p = skb->data;
if ((p = findie(p, skb->len, 0x04, 0))) {
- st->pa->setup.si2 = 0;
+ pc->para.setup.si2 = 0;
switch (p[2] & 0x1f) {
case 0x00:
/* Speech */
case 0x10:
/* 3.1 Khz audio */
- st->pa->setup.si1 = 1;
+ pc->para.setup.si1 = 1;
break;
case 0x08:
/* Unrestricted digital information */
- st->pa->setup.si1 = 7;
+ pc->para.setup.si1 = 7;
+/* JIM, 05.11.97 I wanna set service indicator 2 */
+#if EXT_BEARER_CAPS
+ pc->para.setup.si2 = DecodeSI2(skb);
+ printk(KERN_DEBUG "HiSax: SI=%d, AI=%d\n",
+ pc->para.setup.si1, pc->para.setup.si2);
+#endif
break;
case 0x09:
/* Restricted digital information */
- st->pa->setup.si1 = 2;
+ pc->para.setup.si1 = 2;
break;
case 0x11:
/* Unrestr. digital information with tones/announcements */
- st->pa->setup.si1 = 3;
+ pc->para.setup.si1 = 3;
break;
case 0x18:
/* Video */
- st->pa->setup.si1 = 4;
+ pc->para.setup.si1 = 4;
break;
default:
- st->pa->setup.si1 = 0;
+ pc->para.setup.si1 = 0;
}
- } else if (st->l3.debug & L3_DEB_WARN)
- l3_debug(st, "setup without bearer capabilities");
+ } else {
+ if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "setup without bearer capabilities");
+ /* ETS 300-104 1.3.3 */
+ pc->para.cause = 0x60;
+ dev_kfree_skb(skb, FREE_READ);
+ l3dss1_msg_without_setup(pc, pr, NULL);
+ return;
+ }
p = skb->data;
if ((p = findie(p, skb->len, 0x70, 0)))
- iecpy(st->pa->setup.eazmsn, p, 1);
+ iecpy(pc->para.setup.eazmsn, p, 1);
else
- st->pa->setup.eazmsn[0] = 0;
+ pc->para.setup.eazmsn[0] = 0;
p = skb->data;
+ if ((p = findie(p, skb->len, 0x71, 0))) {
+ /* Called party subaddress */
+ if ((p[1] >= 2) && (p[2] == 0x80) && (p[3] == 0x50)) {
+ tmp[0] = '.';
+ iecpy(&tmp[1], p, 2);
+ strcat(pc->para.setup.eazmsn, tmp);
+ } else if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "wrong called subaddress");
+ }
+ p = skb->data;
if ((p = findie(p, skb->len, 0x6c, 0))) {
- st->pa->setup.plan = p[2];
+ pc->para.setup.plan = p[2];
if (p[2] & 0x80) {
- iecpy(st->pa->setup.phone, p, 1);
- st->pa->setup.screen = 0;
+ iecpy(pc->para.setup.phone, p, 1);
+ pc->para.setup.screen = 0;
} else {
- iecpy(st->pa->setup.phone, p, 2);
- st->pa->setup.screen = p[3];
+ iecpy(pc->para.setup.phone, p, 2);
+ pc->para.setup.screen = p[3];
}
} else {
- st->pa->setup.phone[0] = 0;
- st->pa->setup.plan = 0;
- st->pa->setup.screen = 0;
+ pc->para.setup.phone[0] = 0;
+ pc->para.setup.plan = 0;
+ pc->para.setup.screen = 0;
+ }
+ p = skb->data;
+ if ((p = findie(p, skb->len, 0x6d, 0))) {
+ /* Calling party subaddress */
+ if ((p[1] >= 2) && (p[2] == 0x80) && (p[3] == 0x50)) {
+ tmp[0] = '.';
+ iecpy(&tmp[1], p, 2);
+ strcat(pc->para.setup.phone, tmp);
+ } else if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "wrong calling subaddress");
}
- SET_SKB_FREE(skb);
dev_kfree_skb(skb, FREE_READ);
if (bcfound) {
- if ((st->pa->setup.si1 != 7) && (st->l3.debug & L3_DEB_WARN)) {
- sprintf(tmp, "non-digital call: %s -> %s",
- st->pa->setup.phone,
- st->pa->setup.eazmsn);
- l3_debug(st, tmp);
+ if ((pc->para.setup.si1 != 7) && (pc->debug & L3_DEB_WARN)) {
+ l3_debug(pc->st, "non-digital call: %s -> %s",
+ pc->para.setup.phone, pc->para.setup.eazmsn);
}
- newl3state(st, 6);
- st->l3.l3l4(st, CC_SETUP_IND, NULL);
- }
+ if ((pc->para.setup.si1 != 7) &&
+ test_bit(FLG_PTP, &pc->st->l2.flag)) {
+ pc->para.cause = 0x58;
+ l3dss1_msg_without_setup(pc, pr, NULL);
+ return;
+ }
+ newl3state(pc, 6);
+ pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc);
+ } else
+ release_l3_process(pc);
}
static void
-l3dss1_reset(struct PStack *st, u_char pr, void *arg)
+l3dss1_reset(struct l3_process *pc, u_char pr, void *arg)
{
- StopAllL3Timer(st);
- newl3state(st, 0);
+ release_l3_process(pc);
}
static void
-l3dss1_setup_rsp(struct PStack *st, u_char pr,
+l3dss1_setup_rsp(struct l3_process *pc, u_char pr,
void *arg)
{
- newl3state(st, 8);
- l3dss1_message(st, MT_CONNECT);
- L3DelTimer(&st->l3.timer);
- L3AddTimer(&st->l3.timer, st->l3.t313, CC_T313);
+ newl3state(pc, 8);
+ l3dss1_message(pc, MT_CONNECT);
+ L3DelTimer(&pc->timer);
+ L3AddTimer(&pc->timer, T313, CC_T313);
}
static void
-l3dss1_connect_ack(struct PStack *st, u_char pr, void *arg)
+l3dss1_connect_ack(struct l3_process *pc, u_char pr, void *arg)
{
struct sk_buff *skb = arg;
- SET_SKB_FREE(skb);
dev_kfree_skb(skb, FREE_READ);
- newl3state(st, 10);
- L3DelTimer(&st->l3.timer);
- st->l3.l3l4(st, CC_SETUP_COMPLETE_IND, NULL);
+ newl3state(pc, 10);
+ L3DelTimer(&pc->timer);
+ pc->st->l3.l3l4(pc->st, CC_SETUP_COMPL | INDICATION, pc);
}
static void
-l3dss1_disconnect_req(struct PStack *st, u_char pr, void *arg)
+l3dss1_disconnect_req(struct l3_process *pc, u_char pr, void *arg)
{
struct sk_buff *skb;
u_char tmp[16];
@@ -449,12 +1069,12 @@
int l;
u_char cause = 0x10;
- if (st->pa->cause > 0)
- cause = st->pa->cause;
+ if (pc->para.cause > 0)
+ cause = pc->para.cause;
- StopAllL3Timer(st);
+ StopAllL3Timer(pc);
- MsgHead(p, st->l3.callref, MT_DISCONNECT);
+ MsgHead(p, pc->callref, MT_DISCONNECT);
*p++ = IE_CAUSE;
*p++ = 0x2;
@@ -465,13 +1085,13 @@
if (!(skb = l3_alloc_skb(l)))
return;
memcpy(skb_put(skb, l), tmp, l);
- newl3state(st, 11);
- st->l3.l3l2(st, DL_DATA, skb);
- L3AddTimer(&st->l3.timer, st->l3.t305, CC_T305);
+ newl3state(pc, 11);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ L3AddTimer(&pc->timer, T305, CC_T305);
}
static void
-l3dss1_reject_req(struct PStack *st, u_char pr, void *arg)
+l3dss1_reject_req(struct l3_process *pc, u_char pr, void *arg)
{
struct sk_buff *skb;
u_char tmp[16];
@@ -479,10 +1099,10 @@
int l;
u_char cause = 0x95;
- if (st->pa->cause > 0)
- cause = st->pa->cause;
+ if (pc->para.cause > 0)
+ cause = pc->para.cause;
- MsgHead(p, st->l3.callref, MT_RELEASE_COMPLETE);
+ MsgHead(p, pc->callref, MT_RELEASE_COMPLETE);
*p++ = IE_CAUSE;
*p++ = 0x2;
@@ -493,13 +1113,14 @@
if (!(skb = l3_alloc_skb(l)))
return;
memcpy(skb_put(skb, l), tmp, l);
- newl3state(st, 0);
- st->l3.l3l2(st, DL_DATA, skb);
- st->l3.l3l4(st, CC_RELEASE_IND, NULL);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
+ newl3state(pc, 0);
+ release_l3_process(pc);
}
static void
-l3dss1_release(struct PStack *st, u_char pr, void *arg)
+l3dss1_release(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
struct sk_buff *skb = arg;
@@ -509,38 +1130,45 @@
if ((p = findie(p, skb->len, IE_CAUSE, 0))) {
p++;
if (*p++ == 2)
- st->pa->loc = *p++;
+ pc->para.loc = *p++;
cause = *p & 0x7f;
}
- SET_SKB_FREE(skb);
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_FACILITY, 0))) {
+#if HISAX_DE_AOC
+ l3dss1_parse_facility(pc, p);
+#else
+ p = NULL;
+#endif
+ }
dev_kfree_skb(skb, FREE_READ);
- StopAllL3Timer(st);
- st->pa->cause = cause;
- newl3state(st, 0);
- l3dss1_message(st, MT_RELEASE_COMPLETE);
- st->l3.l3l4(st, CC_RELEASE_IND, NULL);
+ StopAllL3Timer(pc);
+ pc->para.cause = cause;
+ l3dss1_message(pc, MT_RELEASE_COMPLETE);
+ pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
+ newl3state(pc, 0);
+ release_l3_process(pc);
}
static void
-l3dss1_alert_req(struct PStack *st, u_char pr,
+l3dss1_alert_req(struct l3_process *pc, u_char pr,
void *arg)
{
- newl3state(st, 7);
- l3dss1_message(st, MT_ALERTING);
+ newl3state(pc, 7);
+ l3dss1_message(pc, MT_ALERTING);
}
static void
-l3dss1_status_enq(struct PStack *st, u_char pr, void *arg)
+l3dss1_status_enq(struct l3_process *pc, u_char pr, void *arg)
{
u_char tmp[16];
u_char *p = tmp;
int l;
struct sk_buff *skb = arg;
- SET_SKB_FREE(skb);
dev_kfree_skb(skb, FREE_READ);
- MsgHead(p, st->l3.callref, MT_STATUS);
+ MsgHead(p, pc->callref, MT_STATUS);
*p++ = IE_CAUSE;
*p++ = 0x2;
@@ -549,42 +1177,96 @@
*p++ = 0x14; /* CallState */
*p++ = 0x1;
- *p++ = st->l3.state & 0x3f;
+ *p++ = pc->state & 0x3f;
+
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+}
+
+static void
+l3dss1_status_req(struct l3_process *pc, u_char pr, void *arg)
+{
+ /* ETS 300-104 7.4.1, 8.4.1, 10.3.1, 11.4.1, 12.4.1, 13.4.1, 14.4.1...
+ if setup has been made and a non expected message type is received, we must send MT_STATUS cause 0x62 */
+ u_char tmp[16];
+ u_char *p = tmp;
+ int l;
+ struct sk_buff *skb = arg;
+
+ dev_kfree_skb(skb, FREE_READ);
+
+ MsgHead(p, pc->callref, MT_STATUS);
+
+ *p++ = IE_CAUSE;
+ *p++ = 0x2;
+ *p++ = 0x80;
+ *p++ = 0x62 | 0x80; /* status sending */
+
+ *p++ = 0x14; /* CallState */
+ *p++ = 0x1;
+ *p++ = pc->state & 0x3f;
l = p - tmp;
if (!(skb = l3_alloc_skb(l)))
return;
memcpy(skb_put(skb, l), tmp, l);
- st->l3.l3l2(st, DL_DATA, skb);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
}
static void
-l3dss1_t303(struct PStack *st, u_char pr, void *arg)
+l3dss1_release_ind(struct l3_process *pc, u_char pr, void *arg)
{
- if (st->l3.n_t303 > 0) {
- st->l3.n_t303--;
- L3DelTimer(&st->l3.timer);
- l3dss1_setup_req(st, pr, arg);
+ u_char *p;
+ struct sk_buff *skb = arg;
+ int callState = 0;
+ p = skb->data;
+
+ if ((p = findie(p, skb->len, IE_CALL_STATE, 0))) {
+ p++;
+ if (1 == *p++)
+ callState = *p;
+ }
+ if (callState == 0) {
+ /* ETS 300-104 7.6.1, 8.6.1, 10.6.1... and 16.1
+ * set down layer 3 without sending any message
+ */
+ pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
+ newl3state(pc, 0);
+ release_l3_process(pc);
} else {
- newl3state(st, 0);
- L3DelTimer(&st->l3.timer);
- st->l3.l3l4(st, CC_NOSETUP_RSP_ERR, NULL);
- st->l3.n_t303 = 1;
+ pc->st->l3.l3l4(pc->st, CC_IGNORE | INDICATION, pc);
}
}
static void
-l3dss1_t304(struct PStack *st, u_char pr, void *arg)
+l3dss1_t303(struct l3_process *pc, u_char pr, void *arg)
{
- L3DelTimer(&st->l3.timer);
- st->pa->cause = 0xE6;
- l3dss1_disconnect_req(st, pr, NULL);
- st->l3.l3l4(st, CC_SETUP_ERR, NULL);
+ if (pc->N303 > 0) {
+ pc->N303--;
+ L3DelTimer(&pc->timer);
+ l3dss1_setup_req(pc, pr, arg);
+ } else {
+ L3DelTimer(&pc->timer);
+ pc->st->l3.l3l4(pc->st, CC_NOSETUP_RSP, pc);
+ release_l3_process(pc);
+ }
+}
+
+static void
+l3dss1_t304(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0xE6;
+ l3dss1_disconnect_req(pc, pr, NULL);
+ pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
}
static void
-l3dss1_t305(struct PStack *st, u_char pr, void *arg)
+l3dss1_t305(struct l3_process *pc, u_char pr, void *arg)
{
u_char tmp[16];
u_char *p = tmp;
@@ -592,11 +1274,11 @@
struct sk_buff *skb;
u_char cause = 0x90;
- L3DelTimer(&st->l3.timer);
- if (st->pa->cause > 0)
- cause = st->pa->cause;
+ L3DelTimer(&pc->timer);
+ if (pc->para.cause > 0)
+ cause = pc->para.cause | 0x80;
- MsgHead(p, st->l3.callref, MT_RELEASE);
+ MsgHead(p, pc->callref, MT_RELEASE);
*p++ = IE_CAUSE;
*p++ = 0x2;
@@ -607,64 +1289,352 @@
if (!(skb = l3_alloc_skb(l)))
return;
memcpy(skb_put(skb, l), tmp, l);
- newl3state(st, 19);
- st->l3.l3l2(st, DL_DATA, skb);
- L3AddTimer(&st->l3.timer, st->l3.t308, CC_T308_1);
+ newl3state(pc, 19);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ L3AddTimer(&pc->timer, T308, CC_T308_1);
+}
+
+static void
+l3dss1_t310(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0xE6;
+ l3dss1_disconnect_req(pc, pr, NULL);
+ pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
+}
+
+static void
+l3dss1_t313(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0xE6;
+ l3dss1_disconnect_req(pc, pr, NULL);
+ pc->st->l3.l3l4(pc->st, CC_CONNECT_ERR, pc);
+}
+
+static void
+l3dss1_t308_1(struct l3_process *pc, u_char pr, void *arg)
+{
+ newl3state(pc, 19);
+ L3DelTimer(&pc->timer);
+ l3dss1_message(pc, MT_RELEASE);
+ L3AddTimer(&pc->timer, T308, CC_T308_2);
+}
+
+static void
+l3dss1_t308_2(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->st->l3.l3l4(pc->st, CC_RELEASE_ERR, pc);
+ release_l3_process(pc);
+}
+
+static void
+l3dss1_t318(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0x66; /* Timer expiry */
+ pc->para.loc = 0; /* local */
+ pc->st->l3.l3l4(pc->st, CC_RESUME_ERR, pc);
+ newl3state(pc, 19);
+ l3dss1_message(pc, MT_RELEASE);
+ L3AddTimer(&pc->timer, T308, CC_T308_1);
+}
+
+static void
+l3dss1_t319(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->para.cause = 0x66; /* Timer expiry */
+ pc->para.loc = 0; /* local */
+ pc->st->l3.l3l4(pc->st, CC_SUSPEND_ERR, pc);
+ newl3state(pc, 10);
+}
+
+static void
+l3dss1_restart(struct l3_process *pc, u_char pr, void *arg)
+{
+ L3DelTimer(&pc->timer);
+ pc->st->l3.l3l4(pc->st, CC_DLRL | INDICATION, pc);
+ release_l3_process(pc);
+}
+
+static void
+l3dss1_status(struct l3_process *pc, u_char pr, void *arg)
+{
+ u_char *p;
+ char tmp[64], *t;
+ int l;
+ struct sk_buff *skb = arg;
+ int cause, callState;
+
+ cause = callState = -1;
+ p = skb->data;
+ t = tmp;
+ if ((p = findie(p, skb->len, IE_CAUSE, 0))) {
+ p++;
+ l = *p++;
+ t += sprintf(t, "Status CR %x Cause:", pc->callref);
+ while (l--) {
+ cause = *p;
+ t += sprintf(t, " %2x", *p++);
+ }
+ } else
+ sprintf(t, "Status CR %x no Cause", pc->callref);
+ l3_debug(pc->st, tmp);
+ p = skb->data;
+ t = tmp;
+ t += sprintf(t, "Status state %x ", pc->state);
+ if ((p = findie(p, skb->len, IE_CALL_STATE, 0))) {
+ p++;
+ if (1 == *p++) {
+ callState = *p;
+ t += sprintf(t, "peer state %x", *p);
+ } else
+ t += sprintf(t, "peer state len error");
+ } else
+ sprintf(t, "no peer state");
+ l3_debug(pc->st, tmp);
+ if (((cause & 0x7f) == 0x6f) && (callState == 0)) {
+ /* ETS 300-104 7.6.1, 8.6.1, 10.6.1...
+ * if received MT_STATUS with cause == 0x6f and call
+ * state == 0, then we must set down layer 3
+ */
+ l3dss1_release_ind(pc, pr, arg);
+ } else
+ dev_kfree_skb(skb, FREE_READ);
+}
+
+static void
+l3dss1_facility(struct l3_process *pc, u_char pr, void *arg)
+{
+ u_char *p;
+ struct sk_buff *skb = arg;
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_FACILITY, 0))) {
+#if HISAX_DE_AOC
+ l3dss1_parse_facility(pc, p);
+#else
+ p = NULL;
+#endif
+ }
+}
+
+static void
+l3dss1_suspend_req(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[32];
+ u_char *p = tmp;
+ u_char i, l;
+ u_char *msg = pc->chan->setup.phone;
+
+ MsgHead(p, pc->callref, MT_SUSPEND);
+
+ *p++ = IE_CALLID;
+ l = *msg++;
+ if (l && (l <= 10)) { /* Max length 10 octets */
+ *p++ = l;
+ for (i = 0; i < l; i++)
+ *p++ = *msg++;
+ } else {
+ l3_debug(pc->st, "SUS wrong CALLID len %d", l);
+ return;
+ }
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ newl3state(pc, 15);
+ L3AddTimer(&pc->timer, T319, CC_T319);
+}
+
+static void
+l3dss1_suspend_ack(struct l3_process *pc, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ L3DelTimer(&pc->timer);
+ newl3state(pc, 0);
+ dev_kfree_skb(skb, FREE_READ);
+ pc->para.cause = -1;
+ pc->st->l3.l3l4(pc->st, CC_SUSPEND | CONFIRM, pc);
+ release_l3_process(pc);
+}
+
+static void
+l3dss1_suspend_rej(struct l3_process *pc, u_char pr, void *arg)
+{
+ u_char *p;
+ struct sk_buff *skb = arg;
+ int cause = -1;
+
+ L3DelTimer(&pc->timer);
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_CAUSE, 0))) {
+ p++;
+ if (*p++ == 2)
+ pc->para.loc = *p++;
+ cause = *p & 0x7f;
+ }
+ dev_kfree_skb(skb, FREE_READ);
+ pc->para.cause = cause;
+ pc->st->l3.l3l4(pc->st, CC_SUSPEND_ERR, pc);
+ newl3state(pc, 10);
}
static void
-l3dss1_t310(struct PStack *st, u_char pr, void *arg)
+l3dss1_resume_req(struct l3_process *pc, u_char pr, void *arg)
{
- L3DelTimer(&st->l3.timer);
- st->pa->cause = 0xE6;
- l3dss1_disconnect_req(st, pr, NULL);
- st->l3.l3l4(st, CC_SETUP_ERR, NULL);
+ struct sk_buff *skb;
+ u_char tmp[32];
+ u_char *p = tmp;
+ u_char i, l;
+ u_char *msg = pc->para.setup.phone;
+
+ MsgHead(p, pc->callref, MT_RESUME);
+
+ *p++ = IE_CALLID;
+ l = *msg++;
+ if (l && (l <= 10)) { /* Max length 10 octets */
+ *p++ = l;
+ for (i = 0; i < l; i++)
+ *p++ = *msg++;
+ } else {
+ l3_debug(pc->st, "RES wrong CALLID len %d", l);
+ return;
+ }
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
+ newl3state(pc, 17);
+ L3AddTimer(&pc->timer, T319, CC_T319);
}
static void
-l3dss1_t313(struct PStack *st, u_char pr, void *arg)
+l3dss1_resume_ack(struct l3_process *pc, u_char pr, void *arg)
{
- L3DelTimer(&st->l3.timer);
- st->pa->cause = 0xE6;
- l3dss1_disconnect_req(st, pr, NULL);
- st->l3.l3l4(st, CC_CONNECT_ERR, NULL);
+ u_char *p;
+ struct sk_buff *skb = arg;
+
+ L3DelTimer(&pc->timer);
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_CHANNEL_ID, 0))) {
+ pc->para.bchannel = p[2] & 0x3;
+ if ((!pc->para.bchannel) && (pc->debug & L3_DEB_WARN))
+ l3_debug(pc->st, "resume ack without bchannel");
+ } else if (pc->debug & L3_DEB_WARN)
+ l3_debug(pc->st, "resume ack without bchannel");
+ dev_kfree_skb(skb, FREE_READ);
+ pc->st->l3.l3l4(pc->st, CC_RESUME | CONFIRM, pc);
+ newl3state(pc, 10);
}
static void
-l3dss1_t308_1(struct PStack *st, u_char pr, void *arg)
+l3dss1_resume_rej(struct l3_process *pc, u_char pr, void *arg)
{
- newl3state(st, 19);
- L3DelTimer(&st->l3.timer);
- l3dss1_message(st, MT_RELEASE);
- L3AddTimer(&st->l3.timer, st->l3.t308, CC_T308_2);
+ u_char *p;
+ struct sk_buff *skb = arg;
+ int cause = -1;
+
+ L3DelTimer(&pc->timer);
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_CAUSE, 0))) {
+ p++;
+ if (*p++ == 2)
+ pc->para.loc = *p++;
+ cause = *p & 0x7f;
+ }
+ dev_kfree_skb(skb, FREE_READ);
+ pc->para.cause = cause;
+ newl3state(pc, 0);
+ pc->st->l3.l3l4(pc->st, CC_RESUME_ERR, pc);
+ release_l3_process(pc);
}
static void
-l3dss1_t308_2(struct PStack *st, u_char pr, void *arg)
+l3dss1_global_restart(struct l3_process *pc, u_char pr, void *arg)
{
- newl3state(st, 0);
- L3DelTimer(&st->l3.timer);
- st->l3.l3l4(st, CC_RELEASE_ERR, NULL);
+ u_char tmp[32];
+ u_char *p;
+ u_char ri, ch = 0, chan = 0;
+ int l;
+ struct sk_buff *skb = arg;
+ struct l3_process *up;
+
+ newl3state(pc, 2);
+ L3DelTimer(&pc->timer);
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_RESTART_IND, 0))) {
+ ri = p[2];
+ l3_debug(pc->st, "Restart %x", ri);
+ } else {
+ l3_debug(pc->st, "Restart without restart IE");
+ ri = 0x86;
+ }
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_CHANNEL_ID, 0))) {
+ chan = p[2] & 3;
+ ch = p[2];
+ if (pc->st->l3.debug)
+ l3_debug(pc->st, "Restart for channel %d", chan);
+ }
+ dev_kfree_skb(skb, FREE_READ);
+ newl3state(pc, 2);
+ up = pc->st->l3.proc;
+ while (up) {
+ if ((ri & 7) == 7)
+ up->st->lli.l4l3(up->st, CC_RESTART | REQUEST, up);
+ else if (up->para.bchannel == chan)
+ up->st->lli.l4l3(up->st, CC_RESTART | REQUEST, up);
+ up = up->next;
+ }
+ p = tmp;
+ MsgHead(p, pc->callref, MT_RESTART_ACKNOWLEDGE);
+ if (chan) {
+ *p++ = IE_CHANNEL_ID;
+ *p++ = 1;
+ *p++ = ch | 0x80;
+ }
+ *p++ = 0x79; /* RESTART Ind */
+ *p++ = 1;
+ *p++ = ri;
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ newl3state(pc, 0);
+ l3_msg(pc->st, DL_DATA | REQUEST, skb);
}
/* *INDENT-OFF* */
static struct stateentry downstatelist[] =
{
{SBIT(0),
- CC_SETUP_REQ, l3dss1_setup_req},
+ CC_SETUP | REQUEST, l3dss1_setup_req},
+ {SBIT(0),
+ CC_RESUME | REQUEST, l3dss1_resume_req},
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) | SBIT(10),
- CC_DISCONNECT_REQ, l3dss1_disconnect_req},
+ CC_DISCONNECT | REQUEST, l3dss1_disconnect_req},
{SBIT(12),
- CC_RELEASE_REQ, l3dss1_release_req},
+ CC_RELEASE | REQUEST, l3dss1_release_req},
{ALL_STATES,
- CC_DLRL, l3dss1_reset},
+ CC_DLRL | REQUEST, l3dss1_reset},
+ {ALL_STATES,
+ CC_RESTART | REQUEST, l3dss1_restart},
{SBIT(6),
- CC_IGNORE, l3dss1_reset},
+ CC_IGNORE | REQUEST, l3dss1_reset},
{SBIT(6),
- CC_REJECT_REQ, l3dss1_reject_req},
+ CC_REJECT | REQUEST, l3dss1_reject_req},
{SBIT(6),
- CC_ALERTING_REQ, l3dss1_alert_req},
+ CC_ALERTING | REQUEST, l3dss1_alert_req},
{SBIT(6) | SBIT(7),
- CC_SETUP_RSP, l3dss1_setup_rsp},
+ CC_SETUP | RESPONSE, l3dss1_setup_rsp},
+ {SBIT(10),
+ CC_SUSPEND | REQUEST, l3dss1_suspend_req},
{SBIT(1),
CC_T303, l3dss1_t303},
{SBIT(2),
@@ -675,113 +1645,292 @@
CC_T313, l3dss1_t313},
{SBIT(11),
CC_T305, l3dss1_t305},
+ {SBIT(15),
+ CC_T319, l3dss1_t319},
+ {SBIT(17),
+ CC_T318, l3dss1_t318},
{SBIT(19),
CC_T308_1, l3dss1_t308_1},
{SBIT(19),
CC_T308_2, l3dss1_t308_2},
};
-static int downsllen = sizeof(downstatelist) /
-sizeof(struct stateentry);
+#define DOWNSLLEN \
+ (sizeof(downstatelist) / sizeof(struct stateentry))
static struct stateentry datastatelist[] =
{
{ALL_STATES,
MT_STATUS_ENQUIRY, l3dss1_status_enq},
+ {ALL_STATES,
+ MT_FACILITY, l3dss1_facility},
+ {SBIT(19),
+ MT_STATUS, l3dss1_release_ind},
+ {ALL_STATES,
+ MT_STATUS, l3dss1_status},
{SBIT(0) | SBIT(6),
MT_SETUP, l3dss1_setup},
{SBIT(1) | SBIT(2),
MT_CALL_PROCEEDING, l3dss1_call_proc},
+ {SBIT(3) | SBIT(4) | SBIT(8) | SBIT(10) | SBIT(11) | SBIT(19),
+ MT_CALL_PROCEEDING, l3dss1_status_req},
{SBIT(1),
MT_SETUP_ACKNOWLEDGE, l3dss1_setup_ack},
+ {SBIT(2) | SBIT(3) | SBIT(4) | SBIT(8) | SBIT(10) | SBIT(11) | SBIT(19),
+ MT_SETUP_ACKNOWLEDGE, l3dss1_status_req},
{SBIT(1) | SBIT(2) | SBIT(3),
MT_ALERTING, l3dss1_alerting},
+ {SBIT(4) | SBIT(8) | SBIT(10) | SBIT(11) | SBIT(19),
+ MT_ALERTING, l3dss1_status_req},
{SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10) |
SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17) | SBIT(19),
MT_RELEASE_COMPLETE, l3dss1_release_cmpl},
- {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10) |
- SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17) | SBIT(19),
+ {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10) |
+ SBIT(11) | SBIT(12) | SBIT(15) /* | SBIT(17) | SBIT(19)*/,
MT_RELEASE, l3dss1_release},
- {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10),
+ {SBIT(19), MT_RELEASE, l3dss1_release_ind},
+ {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10) | SBIT(15),
MT_DISCONNECT, l3dss1_disconnect},
+ {SBIT(11),
+ MT_DISCONNECT, l3dss1_release_req},
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4),
MT_CONNECT, l3dss1_connect},
+ {SBIT(8) | SBIT(10) | SBIT(11) | SBIT(19),
+ MT_CONNECT, l3dss1_status_req},
+ {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(11) | SBIT(19),
+ MT_CONNECT_ACKNOWLEDGE, l3dss1_status_req},
{SBIT(8),
MT_CONNECT_ACKNOWLEDGE, l3dss1_connect_ack},
+ {SBIT(15),
+ MT_SUSPEND_ACKNOWLEDGE, l3dss1_suspend_ack},
+ {SBIT(15),
+ MT_SUSPEND_REJECT, l3dss1_suspend_rej},
+ {SBIT(17),
+ MT_RESUME_ACKNOWLEDGE, l3dss1_resume_ack},
+ {SBIT(17),
+ MT_RESUME_REJECT, l3dss1_resume_rej},
+ {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(8) | SBIT(10) | SBIT(11) | SBIT(15) | SBIT(17) | SBIT(19),
+ MT_INVALID, l3dss1_status_req},
};
+
+#define DATASLLEN \
+ (sizeof(datastatelist) / sizeof(struct stateentry))
+
+static struct stateentry globalmes_list[] =
+{
+ {ALL_STATES,
+ MT_STATUS, l3dss1_status},
+ {SBIT(0),
+ MT_RESTART, l3dss1_global_restart},
+/* {SBIT(1),
+ MT_RESTART_ACKNOWLEDGE, l3dss1_restart_ack},
+*/
+};
+#define GLOBALM_LEN \
+ (sizeof(globalmes_list) / sizeof(struct stateentry))
/* *INDENT-ON* */
-static int datasllen = sizeof(datastatelist) /
-sizeof(struct stateentry);
+static void
+global_handler(struct PStack *st, int mt, struct sk_buff *skb)
+{
+ int i;
+ struct l3_process *proc = st->l3.global;
+
+ for (i = 0; i < GLOBALM_LEN; i++)
+ if ((mt == globalmes_list[i].primitive) &&
+ ((1 << proc->state) & globalmes_list[i].state))
+ break;
+ if (i == GLOBALM_LEN) {
+ dev_kfree_skb(skb, FREE_READ);
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "dss1 global state %d mt %x unhandled",
+ proc->state, mt);
+ }
+ return;
+ } else {
+ if (st->l3.debug & L3_DEB_STATE) {
+ l3_debug(st, "dss1 global %d mt %x",
+ proc->state, mt);
+ }
+ globalmes_list[i].rout(proc, mt, skb);
+ }
+}
static void
dss1up(struct PStack *st, int pr, void *arg)
{
- int i, mt;
+ int i, mt, cr, cause, callState;
+ char *ptr;
struct sk_buff *skb = arg;
- char tmp[80];
+ struct l3_process *proc;
+ switch (pr) {
+ case (DL_DATA | INDICATION):
+ case (DL_UNIT_DATA | INDICATION):
+ break;
+ case (DL_ESTABLISH | CONFIRM):
+ case (DL_ESTABLISH | INDICATION):
+ case (DL_RELEASE | INDICATION):
+ case (DL_RELEASE | CONFIRM):
+ l3_msg(st, pr, arg);
+ return;
+ break;
+ }
if (skb->data[0] != PROTO_DIS_EURO) {
if (st->l3.debug & L3_DEB_PROTERR) {
- sprintf(tmp, "dss1up%sunexpected discriminator %x message len %ld state %d",
- (pr == DL_DATA) ? " " : "(broadcast) ",
- skb->data[0], skb->len, st->l3.state);
- l3_debug(st, tmp);
+ l3_debug(st, "dss1up%sunexpected discriminator %x message len %d",
+ (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
+ skb->data[0], skb->len);
}
- SET_SKB_FREE(skb);
dev_kfree_skb(skb, FREE_READ);
return;
}
+ cr = getcallref(skb->data);
mt = skb->data[skb->data[1] + 2];
- for (i = 0; i < datasllen; i++)
+ if (!cr) { /* Global CallRef */
+ global_handler(st, mt, skb);
+ return;
+ } else if (cr == -1) { /* Dummy Callref */
+ dev_kfree_skb(skb, FREE_READ);
+ return;
+ } else if (!(proc = getl3proc(st, cr))) {
+ /* No transaction process exist, that means no call with
+ * this callreference is active
+ */
+ if (mt == MT_SETUP) {
+ /* Setup creates a new transaction process */
+ if (!(proc = new_l3_process(st, cr))) {
+ /* May be to answer with RELEASE_COMPLETE and
+ * CAUSE 0x2f "Resource unavailable", but this
+ * need a new_l3_process too ... arghh
+ */
+ dev_kfree_skb(skb, FREE_READ);
+ return;
+ }
+ } else if (mt == MT_STATUS) {
+ cause = 0;
+ if ((ptr = findie(skb->data, skb->len, IE_CAUSE, 0)) != NULL) {
+ ptr++;
+ if (*ptr++ == 2)
+ ptr++;
+ cause = *ptr & 0x7f;
+ }
+ callState = 0;
+ if ((ptr = findie(skb->data, skb->len, IE_CALL_STATE, 0)) != NULL) {
+ ptr++;
+ if (*ptr++ == 2)
+ ptr++;
+ callState = *ptr;
+ }
+ if (callState == 0) {
+ /* ETS 300-104 part 2.4.1
+ * if setup has not been made and a message type
+ * MT_STATUS is received with call state == 0,
+ * we must send nothing
+ */
+ dev_kfree_skb(skb, FREE_READ);
+ return;
+ } else {
+ /* ETS 300-104 part 2.4.2
+ * if setup has not been made and a message type
+ * MT_STATUS is received with call state != 0,
+ * we must send MT_RELEASE_COMPLETE cause 101
+ */
+ dev_kfree_skb(skb, FREE_READ);
+ if ((proc = new_l3_process(st, cr))) {
+ proc->para.cause = 0x65; /* 101 */
+ l3dss1_msg_without_setup(proc, 0, NULL);
+ }
+ return;
+ }
+ } else if (mt == MT_RELEASE_COMPLETE) {
+ dev_kfree_skb(skb, FREE_READ);
+ return;
+ } else {
+ /* ETS 300-104 part 2
+ * if setup has not been made and a message type
+ * (except MT_SETUP and RELEASE_COMPLETE) is received,
+ * we must send MT_RELEASE_COMPLETE cause 81 */
+ dev_kfree_skb(skb, FREE_READ);
+ if ((proc = new_l3_process(st, cr))) {
+ proc->para.cause = 0x51; /* 81 */
+ l3dss1_msg_without_setup(proc, 0, NULL);
+ }
+ return;
+ }
+ } else if (!l3dss1_check_messagetype_validity(mt)) {
+ /* ETS 300-104 7.4.2, 8.4.2, 10.3.2, 11.4.2, 12.4.2, 13.4.2,
+ * 14.4.2...
+ * if setup has been made and invalid message type is received,
+ * we must send MT_STATUS cause 0x62
+ */
+ mt = MT_INVALID; /* sorry, not clean, but do the right thing ;-) */
+ }
+ for (i = 0; i < DATASLLEN; i++)
if ((mt == datastatelist[i].primitive) &&
- ((1 << st->l3.state) & datastatelist[i].state))
+ ((1 << proc->state) & datastatelist[i].state))
break;
- if (i == datasllen) {
- SET_SKB_FREE(skb);
+ if (i == DATASLLEN) {
dev_kfree_skb(skb, FREE_READ);
if (st->l3.debug & L3_DEB_STATE) {
- sprintf(tmp, "dss1up%sstate %d mt %x unhandled",
- (pr == DL_DATA) ? " " : "(broadcast) ",
- st->l3.state, mt);
- l3_debug(st, tmp);
+ l3_debug(st, "dss1up%sstate %d mt %x unhandled",
+ (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
+ proc->state, mt);
}
return;
} else {
if (st->l3.debug & L3_DEB_STATE) {
- sprintf(tmp, "dss1up%sstate %d mt %x",
- (pr == DL_DATA) ? " " : "(broadcast) ",
- st->l3.state, mt);
- l3_debug(st, tmp);
+ l3_debug(st, "dss1up%sstate %d mt %x",
+ (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
+ proc->state, mt);
}
- datastatelist[i].rout(st, pr, skb);
+ datastatelist[i].rout(proc, pr, skb);
}
}
static void
dss1down(struct PStack *st, int pr, void *arg)
{
- int i;
- char tmp[80];
+ int i, cr;
+ struct l3_process *proc;
+ struct Channel *chan;
- for (i = 0; i < downsllen; i++)
+ if (((DL_ESTABLISH | REQUEST) == pr) || ((DL_RELEASE | REQUEST) == pr)) {
+ l3_msg(st, pr, NULL);
+ return;
+ } else if (((CC_SETUP | REQUEST) == pr) || ((CC_RESUME | REQUEST) == pr)) {
+ chan = arg;
+ cr = newcallref();
+ cr |= 0x80;
+ if ((proc = new_l3_process(st, cr))) {
+ proc->chan = chan;
+ chan->proc = proc;
+ proc->para.setup = chan->setup;
+ proc->callref = cr;
+ }
+ } else {
+ proc = arg;
+ }
+ if (!proc) {
+ printk(KERN_ERR "HiSax dss1down without proc pr=%04x\n", pr);
+ return;
+ }
+ for (i = 0; i < DOWNSLLEN; i++)
if ((pr == downstatelist[i].primitive) &&
- ((1 << st->l3.state) & downstatelist[i].state))
+ ((1 << proc->state) & downstatelist[i].state))
break;
- if (i == downsllen) {
+ if (i == DOWNSLLEN) {
if (st->l3.debug & L3_DEB_STATE) {
- sprintf(tmp, "dss1down state %d prim %d unhandled",
- st->l3.state, pr);
- l3_debug(st, tmp);
+ l3_debug(st, "dss1down state %d prim %d unhandled",
+ proc->state, pr);
}
} else {
if (st->l3.debug & L3_DEB_STATE) {
- sprintf(tmp, "dss1down state %d prim %d",
- st->l3.state, pr);
- l3_debug(st, tmp);
+ l3_debug(st, "dss1down state %d prim %d",
+ proc->state, pr);
}
- downstatelist[i].rout(st, pr, arg);
+ downstatelist[i].rout(proc, pr, arg);
}
}
@@ -790,20 +1939,20 @@
{
char tmp[64];
- st->l4.l4l3 = dss1down;
+ st->lli.l4l3 = dss1down;
st->l2.l2l3 = dss1up;
- st->l3.t303 = 4000;
- st->l3.t304 = 30000;
- st->l3.t305 = 30000;
- st->l3.t308 = 4000;
- st->l3.t310 = 30000;
- st->l3.t313 = 4000;
- st->l3.t318 = 4000;
- st->l3.t319 = 4000;
- st->l3.n_t303 = 1;
-
- if (st->l3.channr & 1) {
- strcpy(tmp, dss1_revision);
- printk(KERN_NOTICE "HiSax: DSS1 Rev. %s\n", HiSax_getrev(tmp));
+ st->l3.N303 = 1;
+ if (!(st->l3.global = kmalloc(sizeof(struct l3_process), GFP_ATOMIC))) {
+ printk(KERN_ERR "HiSax can't get memory for dss1 global CR\n");
+ } else {
+ st->l3.global->state = 0;
+ st->l3.global->callref = 0;
+ st->l3.global->next = NULL;
+ st->l3.global->debug = L3_DEB_WARN;
+ st->l3.global->st = st;
+ st->l3.global->N303 = 1;
+ L3InitTimer(st->l3.global, &st->l3.global->timer);
}
+ strcpy(tmp, dss1_revision);
+ printk(KERN_INFO "HiSax: DSS1 Rev. %s\n", HiSax_getrev(tmp));
}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov