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Diffstat (limited to 'drivers/isdn/hisax/l3dss1.c')
-rw-r--r--drivers/isdn/hisax/l3dss1.c1409
1 files changed, 1140 insertions, 269 deletions
diff --git a/drivers/isdn/hisax/l3dss1.c b/drivers/isdn/hisax/l3dss1.c
index d60898734..f8b97fd73 100644
--- a/drivers/isdn/hisax/l3dss1.c
+++ b/drivers/isdn/hisax/l3dss1.c
@@ -1,4 +1,4 @@
-/* $Id: l3dss1.c,v 1.15 1997/04/17 11:50:48 keil Exp $
+/* $Id: l3dss1.c,v 2.7 1998/02/12 23:08:01 keil Exp $
* EURO/DSS1 D-channel protocol
*
@@ -9,71 +9,272 @@
* Fritz Elfert
*
* $Log: l3dss1.c,v $
- * 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 1.11 1997/02/16 12:12:47 fritz
- * Bugfix: SI2 was nont initialized on incoming calls.
- *
- * Revision 1.10 1997/02/11 01:37:24 keil
- * Changed setup-interface (incoming and outgoing)
- *
- * Revision 1.9 1997/01/27 23:20:52 keil
- * report revision only ones
+ * Revision 2.7 1998/02/12 23:08:01 keil
+ * change for 2.1.86 (removing FREE_READ/FREE_WRITE from [dev]_kfree_skb()
*
- * Revision 1.8 1997/01/21 22:29:41 keil
- * new statemachine; L3 timers
+ * Revision 2.6 1998/02/03 23:26:35 keil
+ * V110 extensions from Thomas Pfeiffer
*
- * Revision 1.7 1996/12/14 21:06:59 keil
- * additional states for CC_REJECT
+ * Revision 2.5 1998/02/02 13:34:28 keil
+ * Support australian Microlink net and german AOCD
*
- * Revision 1.6 1996/12/08 22:59:16 keil
- * fixed calling party number without octet 3a
+ * Revision 2.4 1997/11/06 17:12:25 keil
+ * KERN_NOTICE --> KERN_INFO
*
- * Revision 1.5 1996/12/08 19:53:31 keil
- * fixes from Pekka Sarnila
+ * Revision 2.3 1997/10/29 19:03:01 keil
+ * changes for 2.1
*
- * 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: 1.15 $";
+const char *dss1_revision = "$Revision: 2.7 $";
+
+#define EXT_BEARER_CAPS 1
#define MsgHead(ptr, cref, mty) \
*ptr++ = 0x8; \
*ptr++ = 0x1; \
- *ptr++ = cref; \
+ *ptr++ = cref^0x80; \
*ptr++ = mty
+
+#ifdef 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;
+ char tmp[32];
+
+ 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, 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;
+ while(ilen > 0) {
+ ident = (ident<<8) | *p++;
+ ilen--;
+ }
+ if (ident > pc->para.chargeinfo) {
+ pc->para.chargeinfo = ident;
+ pc->st->l3.l3l4(pc, CC_INFO_CHARGE, NULL);
+ }
+ if (pc->st->l3.debug & L3_DEB_CHARGE) {
+ if (*(p+2) == 0) {
+ sprintf(tmp, "charging info during %d", pc->para.chargeinfo);
+ l3_debug(pc->st, tmp);
+ }
+ else {
+ sprintf(tmp, "charging info final %d", pc->para.chargeinfo);
+ l3_debug(pc->st, tmp);
+ }
+ }
+ })))))
+ break;
+ case 0x24: /* final */
+ FOO1("2A",0x30,FOO1("2B",0x30,FOO1("2C",0xA1,FOO1("2D",0x30,FOO1("2E",0x02,({
+ ident = 0;
+ while(ilen > 0) {
+ ident = (ident<<8) | *p++;
+ ilen--;
+ }
+ if (ident > pc->para.chargeinfo) {
+ pc->para.chargeinfo = ident;
+ pc->st->l3.l3l4(pc, CC_INFO_CHARGE, NULL);
+ }
+ if (pc->st->l3.debug & L3_DEB_CHARGE) {
+ sprintf(tmp, "charging info final %d", pc->para.chargeinfo);
+ l3_debug(pc->st, tmp);
+ }
+ }))))))
+ 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;
@@ -81,63 +282,226 @@ l3dss1_message(struct PStack *st, u_char mt)
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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, 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);
- 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, CC_RELEASE_CNF, NULL);
+ release_l3_process(pc);
+}
+
+#ifdef 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 bleibt gleich
+ 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 aushandeln --- hat nicht geklappt, ai wird 165 statt 175!
+ return si2 + 15;
+ case 15: // 56000 bit/s --- hat nicht geklappt, ai wird 0 statt 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;
u_char tmp[128];
u_char *p = tmp;
u_char channel = 0;
- u_char screen = 0;
+ 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
*/
+#ifdef 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 */
@@ -157,7 +521,7 @@ l3dss1_setup_req(struct PStack *st, u_char pr,
/*
* 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)) {
@@ -179,19 +543,28 @@ l3dss1_setup_req(struct PStack *st, u_char pr,
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);
@@ -204,241 +577,372 @@ l3dss1_setup_req(struct PStack *st, u_char pr,
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;
+ }
+
+#ifdef 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);
+ }
+#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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, 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);
- 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, CC_PROCEEDING_IND, NULL);
}
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);
- 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, CC_MORE_INFO, NULL);
}
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);
- 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, CC_DISCONNECT_IND, NULL);
}
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);
- 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, CC_SETUP_CNF, NULL);
}
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);
- 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, CC_ALERTING_IND, NULL);
}
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
+ * It is called after it is veryfied that Layer2 is up.
+ * The cause value is allready in pc->para.cause
+ * 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 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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, 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);
+ if (pc->state == 0)
+ pc->st->l3.l3l4(pc, CC_ESTABLISH, NULL);
+ else
+ 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");
/*
* 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 */
+#ifdef 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);
+ if (pc->state == 0)
+ pc->st->l3.l3l4(pc, CC_ESTABLISH, NULL);
+ else
+ 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);
if (bcfound) {
- if ((st->pa->setup.si1 != 7) && (st->l3.debug & L3_DEB_WARN)) {
+ if ((pc->para.setup.si1 != 7) && (pc->debug & L3_DEB_WARN)) {
sprintf(tmp, "non-digital call: %s -> %s",
- st->pa->setup.phone,
- st->pa->setup.eazmsn);
- l3_debug(st, tmp);
+ pc->para.setup.phone, pc->para.setup.eazmsn);
+ l3_debug(pc->st, tmp);
}
- newl3state(st, 6);
- st->l3.l3l4(st, CC_SETUP_IND, NULL);
- }
+ newl3state(pc, 6);
+ pc->st->l3.l3l4(pc, CC_SETUP_IND, NULL);
+ } 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);
- 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, CC_SETUP_COMPLETE_IND, NULL);
}
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];
@@ -446,12 +950,12 @@ l3dss1_disconnect_req(struct PStack *st, u_char pr, void *arg)
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;
@@ -462,13 +966,13 @@ l3dss1_disconnect_req(struct PStack *st, u_char pr, void *arg)
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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, 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];
@@ -476,10 +980,10 @@ l3dss1_reject_req(struct PStack *st, u_char pr, void *arg)
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;
@@ -490,13 +994,14 @@ l3dss1_reject_req(struct PStack *st, u_char pr, void *arg)
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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, skb);
+ pc->st->l3.l3l4(pc, CC_RELEASE_IND, NULL);
+ 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;
@@ -506,38 +1011,45 @@ l3dss1_release(struct PStack *st, u_char pr, void *arg)
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))) {
+#ifdef HISAX_DE_AOC
+ l3dss1_parse_facility(pc,p);
+#else
+ p = NULL;
+#endif
+ }
dev_kfree_skb(skb);
- 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, CC_RELEASE_IND, NULL);
+ 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);
- MsgHead(p, st->l3.callref, MT_STATUS);
+ MsgHead(p, pc->callref, MT_STATUS);
*p++ = IE_CAUSE;
*p++ = 0x2;
@@ -546,42 +1058,96 @@ l3dss1_status_enq(struct PStack *st, u_char pr, void *arg)
*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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, 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);
+
+ 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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, 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, CC_RELEASE_IND, NULL);
+ 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, CC_IGNORE, NULL);
}
}
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, CC_NOSETUP_RSP_ERR, NULL);
+ 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, CC_SETUP_ERR, NULL);
}
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;
@@ -589,11 +1155,11 @@ l3dss1_t305(struct PStack *st, u_char pr, void *arg)
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;
@@ -604,49 +1170,180 @@ l3dss1_t305(struct PStack *st, u_char pr, void *arg)
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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, 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, CC_SETUP_ERR, NULL);
+}
+
+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, CC_CONNECT_ERR, NULL);
+}
+
+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, CC_RELEASE_ERR, NULL);
+ release_l3_process(pc);
}
static void
-l3dss1_t310(struct PStack *st, u_char pr, void *arg)
+l3dss1_restart(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);
+ L3DelTimer(&pc->timer);
+ pc->st->l3.l3l4(pc, CC_DLRL, NULL);
+ release_l3_process(pc);
}
static void
-l3dss1_t313(struct PStack *st, u_char pr, void *arg)
+l3dss1_status(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;
+ 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);
}
static void
-l3dss1_t308_1(struct PStack *st, u_char pr, void *arg)
+l3dss1_facility(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;
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_FACILITY, 0))) {
+#ifdef HISAX_DE_AOC
+ l3dss1_parse_facility(pc,p);
+#else
+ p = NULL;
+#endif
+ }
}
+
+
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, 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];
+ sprintf(tmp, "Restart %x", ri);
+ } else {
+ sprintf(tmp, "Restart without restart IE");
+ ri = 0x86;
+ }
+ l3_debug(pc->st, tmp);
+ p = skb->data;
+ if ((p = findie(p, skb->len, IE_CHANNEL_ID, 0))) {
+ chan = p[2] & 3;
+ sprintf(tmp, "Restart for channel %d", chan);
+ l3_debug(pc->st, tmp);
+ }
+ dev_kfree_skb(skb);
+ newl3state(pc, 2);
+ up = pc->st->l3.proc;
+ while (up) {
+ if ((ri & 7)==7)
+ up->st->lli.l4l3(up->st, CC_RESTART, up);
+ else if (up->para.bchannel == chan)
+ up->st->lli.l4l3(up->st, CC_RESTART, up);
+ up = up->next;
+ }
+ p = tmp;
+ MsgHead(p, pc->callref, MT_RESTART_ACKNOWLEDGE);
+ if (chan) {
+ *p++ = IE_CHANNEL_ID;
+ *p++ = 1;
+ *p++ = chan | 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);
+ pc->st->l3.l3l2(pc->st, DL_DATA, skb);
}
+
/* *INDENT-OFF* */
static struct stateentry downstatelist[] =
{
{SBIT(0),
+ CC_ESTABLISH, l3dss1_msg_without_setup},
+ {SBIT(0),
CC_SETUP_REQ, l3dss1_setup_req},
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) | SBIT(10),
CC_DISCONNECT_REQ, l3dss1_disconnect_req},
@@ -654,6 +1351,8 @@ static struct stateentry downstatelist[] =
CC_RELEASE_REQ, l3dss1_release_req},
{ALL_STATES,
CC_DLRL, l3dss1_reset},
+ {ALL_STATES,
+ CC_RESTART, l3dss1_restart},
{SBIT(6),
CC_IGNORE, l3dss1_reset},
{SBIT(6),
@@ -685,63 +1384,216 @@ 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(19), MT_RELEASE, l3dss1_release_ind},
{SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10),
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(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(8) | SBIT(10) | SBIT(11) | SBIT(19),
+ MT_INVALID, l3dss1_status_req},
};
-/* *INDENT-ON* */
+static int datasllen = sizeof(datastatelist) / sizeof(struct stateentry);
-static int 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},
+*/
+};
+static int globalm_len = sizeof(globalmes_list) / sizeof(struct stateentry);
+
+#if 0
+static struct stateentry globalcmd_list[] =
+{
+ {ALL_STATES,
+ CC_STATUS, l3dss1_status_req},
+ {SBIT(0),
+ CC_RESTART, l3dss1_restart_req},
+};
+
+static int globalc_len = sizeof(globalcmd_list) / sizeof(struct stateentry);
+#endif
+/* *INDENT-ON* */
+
+static void
+global_handler(struct PStack *st, int mt, struct sk_buff *skb)
+{
+ int i;
+ char tmp[64];
+ 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);
+ if (st->l3.debug & L3_DEB_STATE) {
+ sprintf(tmp, "dss1 global state %d mt %x unhandled",
+ proc->state, mt);
+ l3_debug(st, tmp);
+ }
+ return;
+ } else {
+ if (st->l3.debug & L3_DEB_STATE) {
+ sprintf(tmp, "dss1 global %d mt %x",
+ proc->state, mt);
+ l3_debug(st, tmp);
+ }
+ 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;
+ struct l3_process *proc;
char tmp[80];
if (skb->data[0] != PROTO_DIS_EURO) {
if (st->l3.debug & L3_DEB_PROTERR) {
- sprintf(tmp, "dss1up%sunexpected discriminator %x message len %d state %d",
+ sprintf(tmp, "dss1up%sunexpected discriminator %x message len %d",
(pr == DL_DATA) ? " " : "(broadcast) ",
- skb->data[0], skb->len, st->l3.state);
+ skb->data[0], skb->len);
l3_debug(st, tmp);
}
- SET_SKB_FREE(skb);
dev_kfree_skb(skb);
return;
}
+ cr = getcallref(skb->data);
mt = skb->data[skb->data[1] + 2];
+ if (!cr) { /* Global CallRef */
+ global_handler(st, mt, skb);
+ return;
+ } else if (cr == -1) { /* Dummy Callref */
+ dev_kfree_skb(skb);
+ 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);
+ 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);
+ 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);
+ if ((proc = new_l3_process(st, cr))) {
+ proc->para.cause = 0x65; /* 101 */
+ proc->st->l3.l3l4(proc, CC_ESTABLISH, NULL);
+ }
+ return;
+ }
+ } else if (mt == MT_RELEASE_COMPLETE){
+ dev_kfree_skb(skb);
+ 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);
+ if ((proc = new_l3_process(st, cr))) {
+ proc->para.cause = 0x51; /* 81 */
+ proc->st->l3.l3l4(proc, CC_ESTABLISH, 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);
dev_kfree_skb(skb);
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "dss1up%sstate %d mt %x unhandled",
(pr == DL_DATA) ? " " : "(broadcast) ",
- st->l3.state, mt);
+ proc->state, mt);
l3_debug(st, tmp);
}
return;
@@ -749,36 +1601,55 @@ dss1up(struct PStack *st, int pr, void *arg)
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "dss1up%sstate %d mt %x",
(pr == DL_DATA) ? " " : "(broadcast) ",
- st->l3.state, mt);
+ proc->state, mt);
l3_debug(st, tmp);
}
- datastatelist[i].rout(st, pr, skb);
+ datastatelist[i].rout(proc, pr, skb);
}
}
static void
dss1down(struct PStack *st, int pr, void *arg)
{
- int i;
+ int i, cr;
+ struct l3_process *proc;
+ struct Channel *chan;
char tmp[80];
+ if (CC_SETUP_REQ == 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 internal error dss1down without proc\n");
+ 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 (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "dss1down state %d prim %d unhandled",
- st->l3.state, pr);
+ proc->state, pr);
l3_debug(st, tmp);
}
} else {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "dss1down state %d prim %d",
- st->l3.state, pr);
+ proc->state, pr);
l3_debug(st, tmp);
}
- downstatelist[i].rout(st, pr, arg);
+ downstatelist[i].rout(proc, pr, arg);
}
}
@@ -787,20 +1658,20 @@ setstack_dss1(struct PStack *st)
{
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));
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 09:50:50 +0000