patch-2.0.31 linux/drivers/isdn/hisax/l3_1tr6.c
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- Lines: 797
- Date:
Mon Aug 4 17:34:00 1997
- Orig file:
v2.0.30/linux/drivers/isdn/hisax/l3_1tr6.c
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.0.30/linux/drivers/isdn/hisax/l3_1tr6.c linux/drivers/isdn/hisax/l3_1tr6.c
@@ -0,0 +1,796 @@
+/* $Id: l3_1tr6.c,v 1.11 1997/04/06 22:54:18 keil Exp $
+
+ * German 1TR6 D-channel protocol
+ *
+ * Author Karsten Keil (keil@temic-ech.spacenet.de)
+ *
+ *
+ * $Log: l3_1tr6.c,v $
+ * Revision 1.11 1997/04/06 22:54:18 keil
+ * Using SKB's
+ *
+ * Revision 1.10 1997/03/13 20:37:58 keil
+ * channel request added
+ *
+ * Revision 1.9 1997/02/11 01:37:40 keil
+ * Changed setup-interface (incoming and outgoing)
+ *
+ * Revision 1.8 1997/01/27 23:20:21 keil
+ * report revision only ones
+ *
+ * Revision 1.7 1997/01/21 22:30:07 keil
+ * new statemachine; L3 timers
+ *
+ * Revision 1.6 1996/12/14 21:07:20 keil
+ * additional states for CC_REJECT
+ *
+ * Revision 1.5 1996/12/08 19:55:17 keil
+ * change CC_REJECT_REQ routine
+ *
+ * Revision 1.4 1996/10/30 10:18:01 keil
+ * bugfixes in debugging output
+ *
+ * Revision 1.3 1996/10/27 22:15:37 keil
+ * bugfix reject handling
+ *
+ * Revision 1.2 1996/10/13 23:08:56 keil
+ * added missing state for callback reject
+ *
+ * Revision 1.1 1996/10/13 20:04:55 keil
+ * Initial revision
+ *
+ *
+ */
+
+#define __NO_VERSION__
+#include "hisax.h"
+#include "l3_1tr6.h"
+#include "isdnl3.h"
+#include <linux/ctype.h>
+
+extern char *HiSax_getrev(const char *revision);
+const char *l3_1tr6_revision = "$Revision: 1.11 $";
+
+#define MsgHead(ptr, cref, mty, dis) \
+ *ptr++ = dis; \
+ *ptr++ = 0x1; \
+ *ptr++ = cref; \
+ *ptr++ = mty
+
+static void
+l3_1TR6_message(struct PStack *st, u_char mt, u_char pd)
+{
+ struct sk_buff *skb;
+ u_char *p;
+
+ if (!(skb = l3_alloc_skb(4)))
+ return;
+ p = skb_put(skb, 4);
+ MsgHead(p, st->l3.callref, mt, pd);
+ st->l3.l3l2(st, DL_DATA, skb);
+}
+
+static void
+l3_1tr6_setup_req(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[128];
+ u_char *p = tmp;
+ u_char *teln;
+ u_char *eaz;
+ u_char channel = 0;
+ int l;
+
+
+ st->l3.callref = st->pa->callref;
+ MsgHead(p, st->l3.callref, MT_N1_SETUP, PROTO_DIS_N1);
+
+ teln = st->pa->setup.phone;
+ st->pa->spv = 0;
+ if (!isdigit(*teln)) {
+ switch (0x5f & *teln) {
+ case 'S':
+ st->pa->spv = 1;
+ break;
+ case 'C':
+ channel = 0x08;
+ case 'P':
+ channel |= 0x80;
+ teln++;
+ if (*teln == '1')
+ channel |= 0x01;
+ else
+ channel |= 0x02;
+ break;
+ default:
+ if (st->l3.debug & L3_DEB_WARN)
+ l3_debug(st, "Wrong MSN Code");
+ break;
+ }
+ teln++;
+ }
+ if (channel) {
+ *p++ = 0x18; /* channel indicator */
+ *p++ = 1;
+ *p++ = channel;
+ }
+ if (st->pa->spv) { /* SPV ? */
+ /* NSF SPV */
+ *p++ = WE0_netSpecFac;
+ *p++ = 4; /* Laenge */
+ *p++ = 0;
+ *p++ = FAC_SPV; /* SPV */
+ *p++ = st->pa->setup.si1; /* 0 for all Services */
+ *p++ = st->pa->setup.si2; /* 0 for all Services */
+ *p++ = WE0_netSpecFac;
+ *p++ = 4; /* Laenge */
+ *p++ = 0;
+ *p++ = FAC_Activate; /* aktiviere SPV (default) */
+ *p++ = st->pa->setup.si1; /* 0 for all Services */
+ *p++ = st->pa->setup.si2; /* 0 for all Services */
+ }
+ eaz = st->pa->setup.eazmsn;
+ if (*eaz) {
+ *p++ = WE0_origAddr;
+ *p++ = strlen(eaz) + 1;
+ /* Classify as AnyPref. */
+ *p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */
+ while (*eaz)
+ *p++ = *eaz++ & 0x7f;
+ }
+ *p++ = WE0_destAddr;
+ *p++ = strlen(teln) + 1;
+ /* Classify as AnyPref. */
+ *p++ = 0x81; /* Ext = '1'B, Type = '000'B, Plan = '0001'B. */
+ while (*teln)
+ *p++ = *teln++ & 0x7f;
+
+ *p++ = WE_Shift_F6;
+ /* Codesatz 6 fuer Service */
+ *p++ = WE6_serviceInd;
+ *p++ = 2; /* len=2 info,info2 */
+ *p++ = st->pa->setup.si1;
+ *p++ = st->pa->setup.si2;
+
+ 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);
+
+}
+
+static void
+l3_1tr6_setup(struct PStack *st, u_char pr, void *arg)
+{
+ u_char *p;
+ int bcfound = 0;
+ char tmp[80];
+ struct sk_buff *skb = arg;
+
+ p = skb->data;
+ st->pa->callref = getcallref(p);
+ st->l3.callref = 0x80 + st->pa->callref;
+
+ /* Channel Identification */
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_chanID, 0))) {
+ st->pa->bchannel = p[2] & 0x3;
+ bcfound++;
+ } else if (st->l3.debug & L3_DEB_WARN)
+ l3_debug(st, "setup without bchannel");
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE6_serviceInd, 6))) {
+ st->pa->setup.si1 = p[2];
+ st->pa->setup.si2 = p[3];
+ } else if (st->l3.debug & L3_DEB_WARN)
+ l3_debug(st, "setup without service indicator");
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_destAddr, 0)))
+ iecpy(st->pa->setup.eazmsn, p, 1);
+ else
+ st->pa->setup.eazmsn[0] = 0;
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_origAddr, 0))) {
+ iecpy(st->pa->setup.phone, p, 1);
+ } else
+ st->pa->setup.phone[0] = 0;
+
+ p = skb->data;
+ st->pa->spv = 0;
+ if ((p = findie(p, skb->len, WE0_netSpecFac, 0))) {
+ if ((FAC_SPV == p[3]) || (FAC_Activate == p[3]))
+ st->pa->spv = 1;
+ }
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+
+ /* Signal all services, linklevel takes care of Service-Indicator */
+ 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);
+ }
+ newl3state(st, 6);
+ st->l3.l3l4(st, CC_SETUP_IND, NULL);
+ }
+}
+
+static void
+l3_1tr6_setup_ack(struct PStack *st, u_char pr, void *arg)
+{
+ u_char *p;
+ struct sk_buff *skb = arg;
+
+ L3DelTimer(&st->l3.timer);
+ p = skb->data;
+ newl3state(st, 2);
+ if ((p = findie(p, skb->len, WE0_chanID, 0))) {
+ st->pa->bchannel = p[2] & 0x3;
+ } else if (st->l3.debug & L3_DEB_WARN)
+ l3_debug(st, "setup answer without bchannel");
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ L3AddTimer(&st->l3.timer, st->l3.t304, CC_T304);
+ st->l3.l3l4(st, CC_MORE_INFO, NULL);
+}
+
+static void
+l3_1tr6_call_sent(struct PStack *st, u_char pr, void *arg)
+{
+ u_char *p;
+ struct sk_buff *skb = arg;
+
+ L3DelTimer(&st->l3.timer);
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_chanID, 0))) {
+ st->pa->bchannel = p[2] & 0x3;
+ } else if (st->l3.debug & L3_DEB_WARN)
+ l3_debug(st, "setup answer without bchannel");
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ L3AddTimer(&st->l3.timer, st->l3.t310, CC_T310);
+ newl3state(st, 3);
+ st->l3.l3l4(st, CC_PROCEEDING_IND, NULL);
+}
+
+static void
+l3_1tr6_alert(struct PStack *st, 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);
+}
+
+static void
+l3_1tr6_info(struct PStack *st, u_char pr, void *arg)
+{
+ u_char *p;
+ int i, tmpcharge = 0;
+ char a_charge[8], tmp[32];
+ struct sk_buff *skb = arg;
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) {
+ iecpy(a_charge, p, 1);
+ for (i = 0; i < strlen(a_charge); i++) {
+ tmpcharge *= 10;
+ tmpcharge += a_charge[i] & 0xf;
+ }
+ if (tmpcharge > st->pa->chargeinfo) {
+ st->pa->chargeinfo = tmpcharge;
+ st->l3.l3l4(st, CC_INFO_CHARGE, NULL);
+ }
+ if (st->l3.debug & L3_DEB_CHARGE) {
+ sprintf(tmp, "charging info %d", st->pa->chargeinfo);
+ l3_debug(st, tmp);
+ }
+ } else if (st->l3.debug & L3_DEB_CHARGE)
+ l3_debug(st, "charging info not found");
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+
+}
+
+static void
+l3_1tr6_info_s2(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+}
+
+static void
+l3_1tr6_connect(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ L3DelTimer(&st->l3.timer); /* T310 */
+ newl3state(st, 10);
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ st->pa->chargeinfo = 0;
+ st->l3.l3l4(st, CC_SETUP_CNF, NULL);
+}
+
+static void
+l3_1tr6_rel(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+ u_char *p;
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_cause, 0))) {
+ if (p[1] > 0) {
+ st->pa->cause = p[2];
+ if (p[1] > 1)
+ st->pa->loc = p[3];
+ else
+ st->pa->loc = 0;
+ } else {
+ st->pa->cause = 0;
+ st->pa->loc = 0;
+ }
+ } else
+ st->pa->cause = -1;
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ StopAllL3Timer(st);
+ newl3state(st, 0);
+ l3_1TR6_message(st, MT_N1_REL_ACK, PROTO_DIS_N1);
+ st->l3.l3l4(st, CC_RELEASE_IND, NULL);
+}
+
+static void
+l3_1tr6_rel_ack(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ StopAllL3Timer(st);
+ newl3state(st, 0);
+ st->pa->cause = -1;
+ st->l3.l3l4(st, CC_RELEASE_CNF, NULL);
+}
+
+static void
+l3_1tr6_disc(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+ u_char *p;
+ int i, tmpcharge = 0;
+ char a_charge[8], tmp[32];
+
+ StopAllL3Timer(st);
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE6_chargingInfo, 6))) {
+ iecpy(a_charge, p, 1);
+ for (i = 0; i < strlen(a_charge); i++) {
+ tmpcharge *= 10;
+ tmpcharge += a_charge[i] & 0xf;
+ }
+ if (tmpcharge > st->pa->chargeinfo) {
+ st->pa->chargeinfo = tmpcharge;
+ st->l3.l3l4(st, CC_INFO_CHARGE, NULL);
+ }
+ if (st->l3.debug & L3_DEB_CHARGE) {
+ sprintf(tmp, "charging info %d", st->pa->chargeinfo);
+ l3_debug(st, tmp);
+ }
+ } else if (st->l3.debug & L3_DEB_CHARGE)
+ l3_debug(st, "charging info not found");
+
+
+ p = skb->data;
+ if ((p = findie(p, skb->len, WE0_cause, 0))) {
+ if (p[1] > 0) {
+ st->pa->cause = p[2];
+ if (p[1] > 1)
+ st->pa->loc = p[3];
+ else
+ st->pa->loc = 0;
+ } else {
+ st->pa->cause = 0;
+ st->pa->loc = 0;
+ }
+ } else {
+ if (st->l3.debug & L3_DEB_WARN)
+ l3_debug(st, "cause not found");
+ st->pa->cause = -1;
+ }
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ newl3state(st, 12);
+ st->l3.l3l4(st, CC_DISCONNECT_IND, NULL);
+}
+
+
+static void
+l3_1tr6_connect_ack(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb = arg;
+
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ newl3state(st, 10);
+ st->pa->chargeinfo = 0;
+ L3DelTimer(&st->l3.timer);
+ st->l3.l3l4(st, CC_SETUP_COMPLETE_IND, NULL);
+}
+
+static void
+l3_1tr6_alert_req(struct PStack *st, u_char pr, void *arg)
+{
+ newl3state(st, 7);
+ l3_1TR6_message(st, MT_N1_ALERT, PROTO_DIS_N1);
+}
+
+static void
+l3_1tr6_setup_rsp(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[24];
+ u_char *p = tmp;
+ int l;
+
+ MsgHead(p, st->l3.callref, MT_N1_CONN, PROTO_DIS_N1);
+ if (st->pa->spv) { /* SPV ? */
+ /* NSF SPV */
+ *p++ = WE0_netSpecFac;
+ *p++ = 4; /* Laenge */
+ *p++ = 0;
+ *p++ = FAC_SPV; /* SPV */
+ *p++ = st->pa->setup.si1;
+ *p++ = st->pa->setup.si2;
+ *p++ = WE0_netSpecFac;
+ *p++ = 4; /* Laenge */
+ *p++ = 0;
+ *p++ = FAC_Activate; /* aktiviere SPV */
+ *p++ = st->pa->setup.si1;
+ *p++ = st->pa->setup.si2;
+ }
+ newl3state(st, 8);
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ st->l3.l3l2(st, DL_DATA, skb);
+ L3DelTimer(&st->l3.timer);
+ L3AddTimer(&st->l3.timer, st->l3.t313, CC_T313);
+}
+
+static void
+l3_1tr6_reset(struct PStack *st, u_char pr, void *arg)
+{
+ newl3state(st, 0);
+}
+
+static void
+l3_1tr6_disconnect_req(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[16];
+ u_char *p = tmp;
+ int l;
+ u_char cause = 0x10;
+ u_char clen = 1;
+
+ if (st->pa->cause > 0)
+ cause = st->pa->cause;
+ /* Map DSS1 causes */
+ switch (cause & 0x7f) {
+ case 0x10:
+ clen = 0;
+ break;
+ case 0x15:
+ cause = CAUSE_CallRejected;
+ break;
+ }
+ StopAllL3Timer(st);
+ MsgHead(p, st->l3.callref, MT_N1_DISC, PROTO_DIS_N1);
+ *p++ = WE0_cause;
+ *p++ = clen; /* Laenge */
+ if (clen)
+ *p++ = cause | 0x80;
+ newl3state(st, 11);
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ st->l3.l3l2(st, DL_DATA, skb);
+ L3AddTimer(&st->l3.timer, st->l3.t305, CC_T305);
+}
+
+static void
+l3_1tr6_release_req(struct PStack *st, u_char pr, void *arg)
+{
+ StopAllL3Timer(st);
+ newl3state(st, 19);
+ l3_1TR6_message(st, MT_N1_REL, PROTO_DIS_N1);
+ L3AddTimer(&st->l3.timer, st->l3.t308, CC_T308_1);
+}
+
+static void
+l3_1tr6_t303(struct PStack *st, u_char pr, void *arg)
+{
+ if (st->l3.n_t303 > 0) {
+ st->l3.n_t303--;
+ L3DelTimer(&st->l3.timer);
+ l3_1tr6_setup_req(st, pr, arg);
+ } else {
+ L3DelTimer(&st->l3.timer);
+ st->l3.l3l4(st, CC_NOSETUP_RSP_ERR, NULL);
+ st->l3.n_t303 = 1;
+ newl3state(st, 0);
+ }
+}
+
+static void
+l3_1tr6_t304(struct PStack *st, u_char pr, void *arg)
+{
+ L3DelTimer(&st->l3.timer);
+ st->pa->cause = 0xE6;
+ l3_1tr6_disconnect_req(st, pr, NULL);
+ st->l3.l3l4(st, CC_SETUP_ERR, NULL);
+
+}
+
+static void
+l3_1tr6_t305(struct PStack *st, u_char pr, void *arg)
+{
+ struct sk_buff *skb;
+ u_char tmp[16];
+ u_char *p = tmp;
+ int l;
+ u_char cause = 0x90;
+ u_char clen = 1;
+
+ L3DelTimer(&st->l3.timer);
+ if (st->pa->cause > 0)
+ cause = st->pa->cause;
+ /* Map DSS1 causes */
+ switch (cause & 0x7f) {
+ case 0x10:
+ clen = 0;
+ break;
+ case 0x15:
+ cause = CAUSE_CallRejected;
+ break;
+ }
+ MsgHead(p, st->l3.callref, MT_N1_REL, PROTO_DIS_N1);
+ *p++ = WE0_cause;
+ *p++ = clen; /* Laenge */
+ if (clen)
+ *p++ = cause;
+ newl3state(st, 19);
+ l = p - tmp;
+ if (!(skb = l3_alloc_skb(l)))
+ return;
+ memcpy(skb_put(skb, l), tmp, l);
+ st->l3.l3l2(st, DL_DATA, skb);
+ L3AddTimer(&st->l3.timer, st->l3.t308, CC_T308_1);
+}
+
+static void
+l3_1tr6_t310(struct PStack *st, u_char pr, void *arg)
+{
+ L3DelTimer(&st->l3.timer);
+ st->pa->cause = 0xE6;
+ l3_1tr6_disconnect_req(st, pr, NULL);
+ st->l3.l3l4(st, CC_SETUP_ERR, NULL);
+}
+
+static void
+l3_1tr6_t313(struct PStack *st, u_char pr, void *arg)
+{
+ L3DelTimer(&st->l3.timer);
+ st->pa->cause = 0xE6;
+ l3_1tr6_disconnect_req(st, pr, NULL);
+ st->l3.l3l4(st, CC_CONNECT_ERR, NULL);
+}
+
+static void
+l3_1tr6_t308_1(struct PStack *st, u_char pr, void *arg)
+{
+ L3DelTimer(&st->l3.timer);
+ l3_1TR6_message(st, MT_N1_REL, PROTO_DIS_N1);
+ L3AddTimer(&st->l3.timer, st->l3.t308, CC_T308_2);
+ newl3state(st, 19);
+}
+
+static void
+l3_1tr6_t308_2(struct PStack *st, u_char pr, void *arg)
+{
+ L3DelTimer(&st->l3.timer);
+ st->l3.l3l4(st, CC_RELEASE_ERR, NULL);
+ newl3state(st, 0);
+}
+/* *INDENT-OFF* */
+static struct stateentry downstl[] =
+{
+ {SBIT(0),
+ CC_SETUP_REQ, l3_1tr6_setup_req},
+ {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) |
+ SBIT(10),
+ CC_DISCONNECT_REQ, l3_1tr6_disconnect_req},
+ {SBIT(12),
+ CC_RELEASE_REQ, l3_1tr6_release_req},
+ {ALL_STATES,
+ CC_DLRL, l3_1tr6_reset},
+ {SBIT(6),
+ CC_IGNORE, l3_1tr6_reset},
+ {SBIT(6),
+ CC_REJECT_REQ, l3_1tr6_disconnect_req},
+ {SBIT(6),
+ CC_ALERTING_REQ, l3_1tr6_alert_req},
+ {SBIT(6) | SBIT(7),
+ CC_SETUP_RSP, l3_1tr6_setup_rsp},
+ {SBIT(1),
+ CC_T303, l3_1tr6_t303},
+ {SBIT(2),
+ CC_T304, l3_1tr6_t304},
+ {SBIT(3),
+ CC_T310, l3_1tr6_t310},
+ {SBIT(8),
+ CC_T313, l3_1tr6_t313},
+ {SBIT(11),
+ CC_T305, l3_1tr6_t305},
+ {SBIT(19),
+ CC_T308_1, l3_1tr6_t308_1},
+ {SBIT(19),
+ CC_T308_2, l3_1tr6_t308_2},
+};
+
+static int downstl_len = sizeof(downstl) /
+sizeof(struct stateentry);
+
+static struct stateentry datastln1[] =
+{
+ {SBIT(0),
+ MT_N1_SETUP, l3_1tr6_setup},
+ {SBIT(1),
+ MT_N1_SETUP_ACK, l3_1tr6_setup_ack},
+ {SBIT(1) | SBIT(2),
+ MT_N1_CALL_SENT, l3_1tr6_call_sent},
+ {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) | SBIT(10),
+ MT_N1_DISC, l3_1tr6_disc},
+ {SBIT(2) | SBIT(3) | SBIT(4),
+ MT_N1_ALERT, l3_1tr6_alert},
+ {SBIT(2) | SBIT(3) | SBIT(4),
+ MT_N1_CONN, l3_1tr6_connect},
+ {SBIT(2),
+ MT_N1_INFO, l3_1tr6_info_s2},
+ {SBIT(8),
+ MT_N1_CONN_ACK, l3_1tr6_connect_ack},
+ {SBIT(10),
+ MT_N1_INFO, l3_1tr6_info},
+ {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_N1_REL, l3_1tr6_rel},
+ {SBIT(19),
+ MT_N1_REL_ACK, l3_1tr6_rel_ack}
+};
+/* *INDENT-ON* */
+
+
+
+static int datastln1_len = sizeof(datastln1) /
+sizeof(struct stateentry);
+
+static void
+up1tr6(struct PStack *st, int pr, void *arg)
+{
+ int i, mt;
+ struct sk_buff *skb = arg;
+ char tmp[80];
+
+ if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) {
+ if (st->l3.debug & L3_DEB_PROTERR) {
+ sprintf(tmp, "up1tr6%sunexpected discriminator %x message len %ld state %d",
+ (pr == DL_DATA) ? " " : "(broadcast) ",
+ skb->data[0], skb->len, st->l3.state);
+ l3_debug(st, tmp);
+ }
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ return;
+ }
+ mt = skb->data[skb->data[1] + 2];
+ if (skb->data[0] == PROTO_DIS_N0) {
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ if (st->l3.debug & L3_DEB_STATE) {
+ sprintf(tmp, "up1tr6%s N0 state %d mt %x unhandled",
+ (pr == DL_DATA) ? " " : "(broadcast) ",
+ st->l3.state, mt);
+ l3_debug(st, tmp);
+ }
+ } else if (skb->data[0] == PROTO_DIS_N1) {
+ for (i = 0; i < datastln1_len; i++)
+ if ((mt == datastln1[i].primitive) &&
+ ((1 << st->l3.state) & datastln1[i].state))
+ break;
+ if (i == datastln1_len) {
+ SET_SKB_FREE(skb);
+ dev_kfree_skb(skb, FREE_READ);
+ if (st->l3.debug & L3_DEB_STATE) {
+ sprintf(tmp, "up1tr6%sstate %d mt %x unhandled",
+ (pr == DL_DATA) ? " " : "(broadcast) ",
+ st->l3.state, mt);
+ l3_debug(st, tmp);
+ }
+ return;
+ } else {
+ if (st->l3.debug & L3_DEB_STATE) {
+ sprintf(tmp, "up1tr6%sstate %d mt %x",
+ (pr == DL_DATA) ? " " : "(broadcast) ",
+ st->l3.state, mt);
+ l3_debug(st, tmp);
+ }
+ datastln1[i].rout(st, pr, skb);
+ }
+ }
+}
+
+static void
+down1tr6(struct PStack *st, int pr, void *arg)
+{
+ int i;
+ char tmp[80];
+
+ for (i = 0; i < downstl_len; i++)
+ if ((pr == downstl[i].primitive) &&
+ ((1 << st->l3.state) & downstl[i].state))
+ break;
+ if (i == downstl_len) {
+ if (st->l3.debug & L3_DEB_STATE) {
+ sprintf(tmp, "down1tr6 state %d prim %d unhandled",
+ st->l3.state, pr);
+ l3_debug(st, tmp);
+ }
+ } else {
+ if (st->l3.debug & L3_DEB_STATE) {
+ sprintf(tmp, "down1tr6 state %d prim %d",
+ st->l3.state, pr);
+ l3_debug(st, tmp);
+ }
+ downstl[i].rout(st, pr, arg);
+ }
+}
+
+void
+setstack_1tr6(struct PStack *st)
+{
+ char tmp[64];
+
+ st->l4.l4l3 = down1tr6;
+ st->l2.l2l3 = up1tr6;
+ st->l3.t303 = 4000;
+ st->l3.t304 = 20000;
+ st->l3.t305 = 4000;
+ st->l3.t308 = 4000;
+ st->l3.t310 = 120000;
+ st->l3.t313 = 4000;
+ st->l3.t318 = 4000;
+ st->l3.t319 = 4000;
+ st->l3.n_t303 = 0;
+
+ if (st->l3.channr & 1) {
+ strcpy(tmp, l3_1tr6_revision);
+ printk(KERN_NOTICE "HiSax: 1TR6 Rev. %s\n", HiSax_getrev(tmp));
+ }
+}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov