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path: root/drivers/isdn/hisax/l3_1tr6.c
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Diffstat (limited to 'drivers/isdn/hisax/l3_1tr6.c')
-rw-r--r--drivers/isdn/hisax/l3_1tr6.c932
1 files changed, 0 insertions, 932 deletions
diff --git a/drivers/isdn/hisax/l3_1tr6.c b/drivers/isdn/hisax/l3_1tr6.c
deleted file mode 100644
index 98f60d1523f4..000000000000
--- a/drivers/isdn/hisax/l3_1tr6.c
+++ /dev/null
@@ -1,932 +0,0 @@
-/* $Id: l3_1tr6.c,v 2.15.2.3 2004/01/13 14:31:25 keil Exp $
- *
- * German 1TR6 D-channel protocol
- *
- * Author Karsten Keil
- * Copyright by Karsten Keil <keil@isdn4linux.de>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- * For changes and modifications please read
- * Documentation/isdn/HiSax.cert
- *
- */
-
-#include "hisax.h"
-#include "l3_1tr6.h"
-#include "isdnl3.h"
-#include <linux/ctype.h>
-
-extern char *HiSax_getrev(const char *revision);
-static const char *l3_1tr6_revision = "$Revision: 2.15.2.3 $";
-
-#define MsgHead(ptr, cref, mty, dis) \
- *ptr++ = dis; \
- *ptr++ = 0x1; \
- *ptr++ = cref ^ 0x80; \
- *ptr++ = mty
-
-static void
-l3_1TR6_message(struct l3_process *pc, 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, pc->callref, mt, pd);
- l3_msg(pc->st, DL_DATA | REQUEST, skb);
-}
-
-static void
-l3_1tr6_release_req(struct l3_process *pc, u_char pr, void *arg)
-{
- StopAllL3Timer(pc);
- newl3state(pc, 19);
- l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1);
- L3AddTimer(&pc->timer, T308, CC_T308_1);
-}
-
-static void
-l3_1tr6_invalid(struct l3_process *pc, u_char pr, void *arg)
-{
- struct sk_buff *skb = arg;
-
- dev_kfree_skb(skb);
- l3_1tr6_release_req(pc, 0, NULL);
-}
-
-static void
-l3_1tr6_error(struct l3_process *pc, u_char *msg, struct sk_buff *skb)
-{
- dev_kfree_skb(skb);
- if (pc->st->l3.debug & L3_DEB_WARN)
- l3_debug(pc->st, "%s", msg);
- l3_1tr6_release_req(pc, 0, NULL);
-}
-
-static void
-l3_1tr6_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 *teln;
- u_char *eaz;
- u_char channel = 0;
- int l;
-
- MsgHead(p, pc->callref, MT_N1_SETUP, PROTO_DIS_N1);
- teln = pc->para.setup.phone;
- pc->para.spv = 0;
- if (!isdigit(*teln)) {
- switch (0x5f & *teln) {
- case 'S':
- pc->para.spv = 1;
- break;
- case 'C':
- channel = 0x08;
- /* fall through */
- case 'P':
- channel |= 0x80;
- teln++;
- if (*teln == '1')
- channel |= 0x01;
- else
- channel |= 0x02;
- break;
- default:
- if (pc->st->l3.debug & L3_DEB_WARN)
- l3_debug(pc->st, "Wrong MSN Code");
- break;
- }
- teln++;
- }
- if (channel) {
- *p++ = 0x18; /* channel indicator */
- *p++ = 1;
- *p++ = channel;
- }
- if (pc->para.spv) { /* SPV ? */
- /* NSF SPV */
- *p++ = WE0_netSpecFac;
- *p++ = 4; /* Laenge */
- *p++ = 0;
- *p++ = FAC_SPV; /* SPV */
- *p++ = pc->para.setup.si1; /* 0 for all Services */
- *p++ = pc->para.setup.si2; /* 0 for all Services */
- *p++ = WE0_netSpecFac;
- *p++ = 4; /* Laenge */
- *p++ = 0;
- *p++ = FAC_Activate; /* aktiviere SPV (default) */
- *p++ = pc->para.setup.si1; /* 0 for all Services */
- *p++ = pc->para.setup.si2; /* 0 for all Services */
- }
- eaz = pc->para.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++ = pc->para.setup.si1;
- *p++ = pc->para.setup.si2;
-
- l = p - tmp;
- if (!(skb = l3_alloc_skb(l)))
- return;
- skb_put_data(skb, tmp, l);
- L3DelTimer(&pc->timer);
- L3AddTimer(&pc->timer, T303, CC_T303);
- newl3state(pc, 1);
- l3_msg(pc->st, DL_DATA | REQUEST, skb);
-}
-
-static void
-l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
-{
- u_char *p;
- int bcfound = 0;
- struct sk_buff *skb = arg;
-
- /* Channel Identification */
- p = findie(skb->data, skb->len, WE0_chanID, 0);
- if (p) {
- if (p[1] != 1) {
- l3_1tr6_error(pc, "setup wrong chanID len", skb);
- return;
- }
- if ((p[2] & 0xf4) != 0x80) {
- l3_1tr6_error(pc, "setup wrong WE0_chanID", skb);
- return;
- }
- if ((pc->para.bchannel = p[2] & 0x3))
- bcfound++;
- } else {
- l3_1tr6_error(pc, "missing setup chanID", skb);
- return;
- }
-
- p = skb->data;
- if ((p = findie(p, skb->len, WE6_serviceInd, 6))) {
- pc->para.setup.si1 = p[2];
- pc->para.setup.si2 = p[3];
- } else {
- l3_1tr6_error(pc, "missing setup SI", skb);
- return;
- }
-
- p = skb->data;
- if ((p = findie(p, skb->len, WE0_destAddr, 0)))
- iecpy(pc->para.setup.eazmsn, p, 1);
- else
- pc->para.setup.eazmsn[0] = 0;
-
- p = skb->data;
- if ((p = findie(p, skb->len, WE0_origAddr, 0))) {
- iecpy(pc->para.setup.phone, p, 1);
- } else
- pc->para.setup.phone[0] = 0;
-
- p = skb->data;
- pc->para.spv = 0;
- if ((p = findie(p, skb->len, WE0_netSpecFac, 0))) {
- if ((FAC_SPV == p[3]) || (FAC_Activate == p[3]))
- pc->para.spv = 1;
- }
- dev_kfree_skb(skb);
-
- /* Signal all services, linklevel takes care of Service-Indicator */
- if (bcfound) {
- if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) {
- l3_debug(pc->st, "non-digital call: %s -> %s",
- pc->para.setup.phone,
- pc->para.setup.eazmsn);
- }
- newl3state(pc, 6);
- pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc);
- } else
- release_l3_process(pc);
-}
-
-static void
-l3_1tr6_setup_ack(struct l3_process *pc, u_char pr, void *arg)
-{
- u_char *p;
- struct sk_buff *skb = arg;
-
- L3DelTimer(&pc->timer);
- p = skb->data;
- newl3state(pc, 2);
- if ((p = findie(p, skb->len, WE0_chanID, 0))) {
- if (p[1] != 1) {
- l3_1tr6_error(pc, "setup_ack wrong chanID len", skb);
- return;
- }
- if ((p[2] & 0xf4) != 0x80) {
- l3_1tr6_error(pc, "setup_ack wrong WE0_chanID", skb);
- return;
- }
- pc->para.bchannel = p[2] & 0x3;
- } else {
- l3_1tr6_error(pc, "missing setup_ack WE0_chanID", skb);
- return;
- }
- dev_kfree_skb(skb);
- L3AddTimer(&pc->timer, T304, CC_T304);
- pc->st->l3.l3l4(pc->st, CC_MORE_INFO | INDICATION, pc);
-}
-
-static void
-l3_1tr6_call_sent(struct l3_process *pc, u_char pr, void *arg)
-{
- u_char *p;
- struct sk_buff *skb = arg;
-
- L3DelTimer(&pc->timer);
- p = skb->data;
- if ((p = findie(p, skb->len, WE0_chanID, 0))) {
- if (p[1] != 1) {
- l3_1tr6_error(pc, "call sent wrong chanID len", skb);
- return;
- }
- if ((p[2] & 0xf4) != 0x80) {
- l3_1tr6_error(pc, "call sent wrong WE0_chanID", skb);
- return;
- }
- if ((pc->state == 2) && (pc->para.bchannel != (p[2] & 0x3))) {
- l3_1tr6_error(pc, "call sent wrong chanID value", skb);
- return;
- }
- pc->para.bchannel = p[2] & 0x3;
- } else {
- l3_1tr6_error(pc, "missing call sent WE0_chanID", skb);
- return;
- }
- dev_kfree_skb(skb);
- L3AddTimer(&pc->timer, T310, CC_T310);
- newl3state(pc, 3);
- pc->st->l3.l3l4(pc->st, CC_PROCEEDING | INDICATION, pc);
-}
-
-static void
-l3_1tr6_alert(struct l3_process *pc, u_char pr, void *arg)
-{
- struct sk_buff *skb = arg;
-
- dev_kfree_skb(skb);
- L3DelTimer(&pc->timer); /* T304 */
- newl3state(pc, 4);
- pc->st->l3.l3l4(pc->st, CC_ALERTING | INDICATION, pc);
-}
-
-static void
-l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
-{
- u_char *p;
- int i, tmpcharge = 0;
- char a_charge[8];
- 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 > pc->para.chargeinfo) {
- pc->para.chargeinfo = tmpcharge;
- pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
- }
- if (pc->st->l3.debug & L3_DEB_CHARGE) {
- l3_debug(pc->st, "charging info %d",
- pc->para.chargeinfo);
- }
- } else if (pc->st->l3.debug & L3_DEB_CHARGE)
- l3_debug(pc->st, "charging info not found");
- dev_kfree_skb(skb);
-
-}
-
-static void
-l3_1tr6_info_s2(struct l3_process *pc, u_char pr, void *arg)
-{
- struct sk_buff *skb = arg;
-
- dev_kfree_skb(skb);
-}
-
-static void
-l3_1tr6_connect(struct l3_process *pc, u_char pr, void *arg)
-{
- struct sk_buff *skb = arg;
-
- L3DelTimer(&pc->timer); /* T310 */
- if (!findie(skb->data, skb->len, WE6_date, 6)) {
- l3_1tr6_error(pc, "missing connect date", skb);
- return;
- }
- newl3state(pc, 10);
- dev_kfree_skb(skb);
- pc->para.chargeinfo = 0;
- pc->st->l3.l3l4(pc->st, CC_SETUP | CONFIRM, pc);
-}
-
-static void
-l3_1tr6_rel(struct l3_process *pc, 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) {
- pc->para.cause = p[2];
- if (p[1] > 1)
- pc->para.loc = p[3];
- else
- pc->para.loc = 0;
- } else {
- pc->para.cause = 0;
- pc->para.loc = 0;
- }
- } else {
- pc->para.cause = NO_CAUSE;
- l3_1tr6_error(pc, "missing REL cause", skb);
- return;
- }
- dev_kfree_skb(skb);
- StopAllL3Timer(pc);
- newl3state(pc, 0);
- l3_1TR6_message(pc, MT_N1_REL_ACK, PROTO_DIS_N1);
- pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
- release_l3_process(pc);
-}
-
-static void
-l3_1tr6_rel_ack(struct l3_process *pc, u_char pr, void *arg)
-{
- struct sk_buff *skb = arg;
-
- dev_kfree_skb(skb);
- StopAllL3Timer(pc);
- newl3state(pc, 0);
- pc->para.cause = NO_CAUSE;
- pc->st->l3.l3l4(pc->st, CC_RELEASE | CONFIRM, pc);
- release_l3_process(pc);
-}
-
-static void
-l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
-{
- struct sk_buff *skb = arg;
- u_char *p;
- int i, tmpcharge = 0;
- char a_charge[8];
-
- StopAllL3Timer(pc);
- 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 > pc->para.chargeinfo) {
- pc->para.chargeinfo = tmpcharge;
- pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
- }
- if (pc->st->l3.debug & L3_DEB_CHARGE) {
- l3_debug(pc->st, "charging info %d",
- pc->para.chargeinfo);
- }
- } else if (pc->st->l3.debug & L3_DEB_CHARGE)
- l3_debug(pc->st, "charging info not found");
-
-
- p = skb->data;
- if ((p = findie(p, skb->len, WE0_cause, 0))) {
- if (p[1] > 0) {
- pc->para.cause = p[2];
- if (p[1] > 1)
- pc->para.loc = p[3];
- else
- pc->para.loc = 0;
- } else {
- pc->para.cause = 0;
- pc->para.loc = 0;
- }
- } else {
- if (pc->st->l3.debug & L3_DEB_WARN)
- l3_debug(pc->st, "cause not found");
- pc->para.cause = NO_CAUSE;
- }
- if (!findie(skb->data, skb->len, WE6_date, 6)) {
- l3_1tr6_error(pc, "missing connack date", skb);
- return;
- }
- dev_kfree_skb(skb);
- newl3state(pc, 12);
- pc->st->l3.l3l4(pc->st, CC_DISCONNECT | INDICATION, pc);
-}
-
-
-static void
-l3_1tr6_connect_ack(struct l3_process *pc, u_char pr, void *arg)
-{
- struct sk_buff *skb = arg;
-
- if (!findie(skb->data, skb->len, WE6_date, 6)) {
- l3_1tr6_error(pc, "missing connack date", skb);
- return;
- }
- dev_kfree_skb(skb);
- newl3state(pc, 10);
- pc->para.chargeinfo = 0;
- L3DelTimer(&pc->timer);
- pc->st->l3.l3l4(pc->st, CC_SETUP_COMPL | INDICATION, pc);
-}
-
-static void
-l3_1tr6_alert_req(struct l3_process *pc, u_char pr, void *arg)
-{
- newl3state(pc, 7);
- l3_1TR6_message(pc, MT_N1_ALERT, PROTO_DIS_N1);
-}
-
-static void
-l3_1tr6_setup_rsp(struct l3_process *pc, u_char pr, void *arg)
-{
- struct sk_buff *skb;
- u_char tmp[24];
- u_char *p = tmp;
- int l;
-
- MsgHead(p, pc->callref, MT_N1_CONN, PROTO_DIS_N1);
- if (pc->para.spv) { /* SPV ? */
- /* NSF SPV */
- *p++ = WE0_netSpecFac;
- *p++ = 4; /* Laenge */
- *p++ = 0;
- *p++ = FAC_SPV; /* SPV */
- *p++ = pc->para.setup.si1;
- *p++ = pc->para.setup.si2;
- *p++ = WE0_netSpecFac;
- *p++ = 4; /* Laenge */
- *p++ = 0;
- *p++ = FAC_Activate; /* aktiviere SPV */
- *p++ = pc->para.setup.si1;
- *p++ = pc->para.setup.si2;
- }
- newl3state(pc, 8);
- l = p - tmp;
- if (!(skb = l3_alloc_skb(l)))
- return;
- skb_put_data(skb, tmp, l);
- l3_msg(pc->st, DL_DATA | REQUEST, skb);
- L3DelTimer(&pc->timer);
- L3AddTimer(&pc->timer, T313, CC_T313);
-}
-
-static void
-l3_1tr6_reset(struct l3_process *pc, u_char pr, void *arg)
-{
- release_l3_process(pc);
-}
-
-static void
-l3_1tr6_disconnect_req(struct l3_process *pc, 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 (pc->para.cause > 0)
- cause = pc->para.cause;
- /* Map DSS1 causes */
- switch (cause & 0x7f) {
- case 0x10:
- clen = 0;
- break;
- case 0x11:
- cause = CAUSE_UserBusy;
- break;
- case 0x15:
- cause = CAUSE_CallRejected;
- break;
- }
- StopAllL3Timer(pc);
- MsgHead(p, pc->callref, MT_N1_DISC, PROTO_DIS_N1);
- *p++ = WE0_cause;
- *p++ = clen; /* Laenge */
- if (clen)
- *p++ = cause | 0x80;
- newl3state(pc, 11);
- l = p - tmp;
- if (!(skb = l3_alloc_skb(l)))
- return;
- skb_put_data(skb, tmp, l);
- l3_msg(pc->st, DL_DATA | REQUEST, skb);
- L3AddTimer(&pc->timer, T305, CC_T305);
-}
-
-static void
-l3_1tr6_t303(struct l3_process *pc, u_char pr, void *arg)
-{
- if (pc->N303 > 0) {
- pc->N303--;
- L3DelTimer(&pc->timer);
- l3_1tr6_setup_req(pc, pr, arg);
- } else {
- L3DelTimer(&pc->timer);
- pc->para.cause = 0;
- l3_1tr6_disconnect_req(pc, 0, NULL);
- }
-}
-
-static void
-l3_1tr6_t304(struct l3_process *pc, u_char pr, void *arg)
-{
- L3DelTimer(&pc->timer);
- pc->para.cause = 0xE6;
- l3_1tr6_disconnect_req(pc, pr, NULL);
- pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
-}
-
-static void
-l3_1tr6_t305(struct l3_process *pc, 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(&pc->timer);
- if (pc->para.cause != NO_CAUSE)
- cause = pc->para.cause;
- /* Map DSS1 causes */
- switch (cause & 0x7f) {
- case 0x10:
- clen = 0;
- break;
- case 0x15:
- cause = CAUSE_CallRejected;
- break;
- }
- MsgHead(p, pc->callref, MT_N1_REL, PROTO_DIS_N1);
- *p++ = WE0_cause;
- *p++ = clen; /* Laenge */
- if (clen)
- *p++ = cause;
- newl3state(pc, 19);
- l = p - tmp;
- if (!(skb = l3_alloc_skb(l)))
- return;
- skb_put_data(skb, tmp, l);
- l3_msg(pc->st, DL_DATA | REQUEST, skb);
- L3AddTimer(&pc->timer, T308, CC_T308_1);
-}
-
-static void
-l3_1tr6_t310(struct l3_process *pc, u_char pr, void *arg)
-{
- L3DelTimer(&pc->timer);
- pc->para.cause = 0xE6;
- l3_1tr6_disconnect_req(pc, pr, NULL);
- pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
-}
-
-static void
-l3_1tr6_t313(struct l3_process *pc, u_char pr, void *arg)
-{
- L3DelTimer(&pc->timer);
- pc->para.cause = 0xE6;
- l3_1tr6_disconnect_req(pc, pr, NULL);
- pc->st->l3.l3l4(pc->st, CC_CONNECT_ERR, pc);
-}
-
-static void
-l3_1tr6_t308_1(struct l3_process *pc, u_char pr, void *arg)
-{
- L3DelTimer(&pc->timer);
- l3_1TR6_message(pc, MT_N1_REL, PROTO_DIS_N1);
- L3AddTimer(&pc->timer, T308, CC_T308_2);
- newl3state(pc, 19);
-}
-
-static void
-l3_1tr6_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
-l3_1tr6_dl_reset(struct l3_process *pc, u_char pr, void *arg)
-{
- pc->para.cause = CAUSE_LocalProcErr;
- l3_1tr6_disconnect_req(pc, pr, NULL);
- pc->st->l3.l3l4(pc->st, CC_SETUP_ERR, pc);
-}
-
-static void
-l3_1tr6_dl_release(struct l3_process *pc, u_char pr, void *arg)
-{
- newl3state(pc, 0);
- pc->para.cause = 0x1b; /* Destination out of order */
- pc->para.loc = 0;
- pc->st->l3.l3l4(pc->st, CC_RELEASE | INDICATION, pc);
- release_l3_process(pc);
-}
-
-/* *INDENT-OFF* */
-static struct stateentry downstl[] =
-{
- {SBIT(0),
- CC_SETUP | REQUEST, l3_1tr6_setup_req},
- {SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(6) | SBIT(7) | SBIT(8) |
- SBIT(10),
- CC_DISCONNECT | REQUEST, l3_1tr6_disconnect_req},
- {SBIT(12),
- CC_RELEASE | REQUEST, l3_1tr6_release_req},
- {SBIT(6),
- CC_IGNORE | REQUEST, l3_1tr6_reset},
- {SBIT(6),
- CC_REJECT | REQUEST, l3_1tr6_disconnect_req},
- {SBIT(6),
- CC_ALERTING | REQUEST, l3_1tr6_alert_req},
- {SBIT(6) | SBIT(7),
- CC_SETUP | RESPONSE, 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 struct stateentry datastln1[] =
-{
- {SBIT(0),
- MT_N1_INVALID, l3_1tr6_invalid},
- {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),
- MT_N1_REL, l3_1tr6_rel},
- {SBIT(19),
- MT_N1_REL, l3_1tr6_rel_ack},
- {SBIT(0) | SBIT(1) | SBIT(2) | SBIT(3) | SBIT(4) | SBIT(7) | SBIT(8) |
- SBIT(10) | SBIT(11) | SBIT(12) | SBIT(15) | SBIT(17),
- MT_N1_REL_ACK, l3_1tr6_invalid},
- {SBIT(19),
- MT_N1_REL_ACK, l3_1tr6_rel_ack}
-};
-
-static struct stateentry manstatelist[] =
-{
- {SBIT(2),
- DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset},
- {ALL_STATES,
- DL_RELEASE | INDICATION, l3_1tr6_dl_release},
-};
-
-/* *INDENT-ON* */
-
-static void
-up1tr6(struct PStack *st, int pr, void *arg)
-{
- int i, mt, cr;
- struct l3_process *proc;
- struct sk_buff *skb = arg;
-
- 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->len < 4) {
- if (st->l3.debug & L3_DEB_PROTERR) {
- l3_debug(st, "up1tr6 len only %d", skb->len);
- }
- dev_kfree_skb(skb);
- return;
- }
- if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) {
- if (st->l3.debug & L3_DEB_PROTERR) {
- l3_debug(st, "up1tr6%sunexpected discriminator %x message len %d",
- (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
- skb->data[0], skb->len);
- }
- dev_kfree_skb(skb);
- return;
- }
- if (skb->data[1] != 1) {
- if (st->l3.debug & L3_DEB_PROTERR) {
- l3_debug(st, "up1tr6 CR len not 1");
- }
- dev_kfree_skb(skb);
- return;
- }
- cr = skb->data[2];
- mt = skb->data[3];
- if (skb->data[0] == PROTO_DIS_N0) {
- dev_kfree_skb(skb);
- if (st->l3.debug & L3_DEB_STATE) {
- l3_debug(st, "up1tr6%s N0 mt %x unhandled",
- (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt);
- }
- } else if (skb->data[0] == PROTO_DIS_N1) {
- if (!(proc = getl3proc(st, cr))) {
- if (mt == MT_N1_SETUP) {
- if (cr < 128) {
- if (!(proc = new_l3_process(st, cr))) {
- if (st->l3.debug & L3_DEB_PROTERR) {
- l3_debug(st, "up1tr6 no roc mem");
- }
- dev_kfree_skb(skb);
- return;
- }
- } else {
- dev_kfree_skb(skb);
- return;
- }
- } else if ((mt == MT_N1_REL) || (mt == MT_N1_REL_ACK) ||
- (mt == MT_N1_CANC_ACK) || (mt == MT_N1_CANC_REJ) ||
- (mt == MT_N1_REG_ACK) || (mt == MT_N1_REG_REJ) ||
- (mt == MT_N1_SUSP_ACK) || (mt == MT_N1_RES_REJ) ||
- (mt == MT_N1_INFO)) {
- dev_kfree_skb(skb);
- return;
- } else {
- if (!(proc = new_l3_process(st, cr))) {
- if (st->l3.debug & L3_DEB_PROTERR) {
- l3_debug(st, "up1tr6 no roc mem");
- }
- dev_kfree_skb(skb);
- return;
- }
- mt = MT_N1_INVALID;
- }
- }
- for (i = 0; i < ARRAY_SIZE(datastln1); i++)
- if ((mt == datastln1[i].primitive) &&
- ((1 << proc->state) & datastln1[i].state))
- break;
- if (i == ARRAY_SIZE(datastln1)) {
- dev_kfree_skb(skb);
- if (st->l3.debug & L3_DEB_STATE) {
- l3_debug(st, "up1tr6%sstate %d mt %x unhandled",
- (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
- proc->state, mt);
- }
- return;
- } else {
- if (st->l3.debug & L3_DEB_STATE) {
- l3_debug(st, "up1tr6%sstate %d mt %x",
- (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
- proc->state, mt);
- }
- datastln1[i].rout(proc, pr, skb);
- }
- }
-}
-
-static void
-down1tr6(struct PStack *st, int pr, void *arg)
-{
- int i, cr;
- struct l3_process *proc;
- struct Channel *chan;
-
- if ((DL_ESTABLISH | REQUEST) == pr) {
- l3_msg(st, pr, NULL);
- return;
- } else if ((CC_SETUP | REQUEST) == pr) {
- chan = arg;
- cr = newcallref();
- cr |= 0x80;
- if (!(proc = new_l3_process(st, cr))) {
- return;
- } else {
- proc->chan = chan;
- chan->proc = proc;
- memcpy(&proc->para.setup, &chan->setup, sizeof(setup_parm));
- proc->callref = cr;
- }
- } else {
- proc = arg;
- }
-
- for (i = 0; i < ARRAY_SIZE(downstl); i++)
- if ((pr == downstl[i].primitive) &&
- ((1 << proc->state) & downstl[i].state))
- break;
- if (i == ARRAY_SIZE(downstl)) {
- if (st->l3.debug & L3_DEB_STATE) {
- l3_debug(st, "down1tr6 state %d prim %d unhandled",
- proc->state, pr);
- }
- } else {
- if (st->l3.debug & L3_DEB_STATE) {
- l3_debug(st, "down1tr6 state %d prim %d",
- proc->state, pr);
- }
- downstl[i].rout(proc, pr, arg);
- }
-}
-
-static void
-man1tr6(struct PStack *st, int pr, void *arg)
-{
- int i;
- struct l3_process *proc = arg;
-
- if (!proc) {
- printk(KERN_ERR "HiSax man1tr6 without proc pr=%04x\n", pr);
- return;
- }
- for (i = 0; i < ARRAY_SIZE(manstatelist); i++)
- if ((pr == manstatelist[i].primitive) &&
- ((1 << proc->state) & manstatelist[i].state))
- break;
- if (i == ARRAY_SIZE(manstatelist)) {
- if (st->l3.debug & L3_DEB_STATE) {
- l3_debug(st, "cr %d man1tr6 state %d prim %d unhandled",
- proc->callref & 0x7f, proc->state, pr);
- }
- } else {
- if (st->l3.debug & L3_DEB_STATE) {
- l3_debug(st, "cr %d man1tr6 state %d prim %d",
- proc->callref & 0x7f, proc->state, pr);
- }
- manstatelist[i].rout(proc, pr, arg);
- }
-}
-
-void
-setstack_1tr6(struct PStack *st)
-{
- char tmp[64];
-
- st->lli.l4l3 = down1tr6;
- st->l2.l2l3 = up1tr6;
- st->l3.l3ml3 = man1tr6;
- st->l3.N303 = 0;
-
- strcpy(tmp, l3_1tr6_revision);
- printk(KERN_INFO "HiSax: 1TR6 Rev. %s\n", HiSax_getrev(tmp));
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.