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;
memcpy(skb_put(skb, l), tmp, l);
l3_msg(pc->st, DL_DATA | REQUEST, skb);
L3AddTimer(&pc->timer, T308, CC_T308_1);
}
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;
memcpy(skb_put(skb, l), tmp, l);
l3_msg(pc->st, DL_DATA | REQUEST, skb);
L3DelTimer(&pc->timer);
L3AddTimer(&pc->timer, T313, CC_T313);
}
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
down1tr6(struct PStack *st, int pr, void *arg)
{
int i, cr;
struct l3_process *proc;
struct Channel *chan;
char tmp[80];
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 < DOWNSTL_LEN; i++)
if ((pr == downstl[i].primitive) &&
((1 << proc->state) & downstl[i].state))
break;
if (i == DOWNSTL_LEN) {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "down1tr6 state %d prim %d unhandled",
proc->state, pr);
l3_debug(st, tmp);
}
} else {
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "down1tr6 state %d prim %d",
proc->state, pr);
l3_debug(st, tmp);
}
downstl[i].rout(proc, pr, arg);
}
}
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;
memcpy(skb_put(skb, l), tmp, l);
l3_msg(pc->st, DL_DATA | REQUEST, skb);
L3AddTimer(&pc->timer, T305, CC_T305);
}
static void
up1tr6(struct PStack *st, int pr, void *arg)
{
int i, mt, cr;
struct l3_process *proc;
struct sk_buff *skb = arg;
char tmp[80];
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) {
sprintf(tmp, "up1tr6 len only %d", skb->len);
l3_debug(st, tmp);
}
dev_kfree_skb(skb);
return;
}
if ((skb->data[0] & 0xfe) != PROTO_DIS_N0) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6%sunexpected discriminator %x message len %d",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
skb->data[0], skb->len);
l3_debug(st, tmp);
}
dev_kfree_skb(skb);
return;
}
if (skb->data[1] != 1) {
if (st->l3.debug & L3_DEB_PROTERR) {
sprintf(tmp, "up1tr6 CR len not 1");
l3_debug(st, tmp);
}
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) {
sprintf(tmp, "up1tr6%s N0 mt %x unhandled",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ", mt);
l3_debug(st, tmp);
}
} 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) {
sprintf(tmp, "up1tr6 no roc mem");
l3_debug(st, tmp);
}
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) {
sprintf(tmp, "up1tr6 no roc mem");
l3_debug(st, tmp);
}
dev_kfree_skb(skb);
return;
}
mt = MT_N1_INVALID;
}
}
for (i = 0; i < DATASTLN1_LEN; i++)
if ((mt == datastln1[i].primitive) &&
((1 << proc->state) & datastln1[i].state))
break;
if (i == DATASTLN1_LEN) {
dev_kfree_skb(skb);
if (st->l3.debug & L3_DEB_STATE) {
sprintf(tmp, "up1tr6%sstate %d mt %x unhandled",
(pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
proc->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 | INDICATION)) ? " " : "(broadcast) ",
proc->state, mt);
l3_debug(st, tmp);
}
datastln1[i].rout(proc, pr, skb);
}
}
}
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;
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;
memcpy(skb_put(skb, l), 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_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;
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;
*p++ = 1;
*p++ = channel;
}
if (pc->para.spv) {
*p++ = WE0_netSpecFac;
*p++ = 4;
*p++ = 0;
*p++ = FAC_SPV;
*p++ = pc->para.setup.si1;
*p++ = pc->para.setup.si2;
*p++ = WE0_netSpecFac;
*p++ = 4;
*p++ = 0;
*p++ = FAC_Activate;
*p++ = pc->para.setup.si1;
*p++ = pc->para.setup.si2;
}
eaz = pc->para.setup.eazmsn;
if (*eaz) {
*p++ = WE0_origAddr;
*p++ = strlen(eaz) + 1;
*p++ = 0x81;
while (*eaz)
*p++ = *eaz++ & 0x7f;
}
*p++ = WE0_destAddr;
*p++ = strlen(teln) + 1;
*p++ = 0x81;
while (*teln)
*p++ = *teln++ & 0x7f;
*p++ = WE_Shift_F6;
*p++ = WE6_serviceInd;
*p++ = 2;
*p++ = pc->para.setup.si1;
*p++ = pc->para.setup.si2;
l = p - tmp;
if (!(skb = l3_alloc_skb(l)))
return;
memcpy(skb_put(skb, l), tmp, l);
L3DelTimer(&pc->timer);
L3AddTimer(&pc->timer, T303, CC_T303);
newl3state(pc, 1);
l3_msg(pc->st, DL_DATA | REQUEST, skb);
}