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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.c268
1 files changed, 122 insertions, 146 deletions
diff --git a/drivers/isdn/hisax/l3_1tr6.c b/drivers/isdn/hisax/l3_1tr6.c
index c5c36eeff26..875402e76d0 100644
--- a/drivers/isdn/hisax/l3_1tr6.c
+++ b/drivers/isdn/hisax/l3_1tr6.c
@@ -4,7 +4,7 @@
*
* 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.
*
@@ -21,10 +21,10 @@
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; \
+#define MsgHead(ptr, cref, mty, dis) \
+ *ptr++ = dis; \
+ *ptr++ = 0x1; \
+ *ptr++ = cref ^ 0x80; \
*ptr++ = mty
static void
@@ -63,7 +63,7 @@ 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, msg);
+ l3_debug(pc->st, "%s", msg);
l3_1tr6_release_req(pc, 0, NULL);
}
@@ -83,23 +83,23 @@ l3_1tr6_setup_req(struct l3_process *pc, u_char pr, void *arg)
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;
+ 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++;
}
@@ -161,14 +161,11 @@ l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
int bcfound = 0;
- char tmp[80];
struct sk_buff *skb = arg;
- p = skb->data;
-
/* Channel Identification */
- p = skb->data;
- if ((p = findie(p, skb->len, WE0_chanID, 0))) {
+ 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;
@@ -178,7 +175,7 @@ l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
return;
}
if ((pc->para.bchannel = p[2] & 0x3))
- bcfound++;
+ bcfound++;
} else {
l3_1tr6_error(pc, "missing setup chanID", skb);
return;
@@ -216,10 +213,9 @@ l3_1tr6_setup(struct l3_process *pc, u_char pr, void *arg)
/* Signal all services, linklevel takes care of Service-Indicator */
if (bcfound) {
if ((pc->para.setup.si1 != 7) && (pc->st->l3.debug & L3_DEB_WARN)) {
- sprintf(tmp, "non-digital call: %s -> %s",
+ l3_debug(pc->st, "non-digital call: %s -> %s",
pc->para.setup.phone,
pc->para.setup.eazmsn);
- l3_debug(pc->st, tmp);
}
newl3state(pc, 6);
pc->st->l3.l3l4(pc->st, CC_SETUP | INDICATION, pc);
@@ -303,7 +299,7 @@ l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
{
u_char *p;
int i, tmpcharge = 0;
- char a_charge[8], tmp[32];
+ char a_charge[8];
struct sk_buff *skb = arg;
p = skb->data;
@@ -318,8 +314,8 @@ l3_1tr6_info(struct l3_process *pc, u_char pr, void *arg)
pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
}
if (pc->st->l3.debug & L3_DEB_CHARGE) {
- sprintf(tmp, "charging info %d", pc->para.chargeinfo);
- l3_debug(pc->st, tmp);
+ 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");
@@ -401,7 +397,7 @@ 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], tmp[32];
+ char a_charge[8];
StopAllL3Timer(pc);
p = skb->data;
@@ -416,8 +412,8 @@ l3_1tr6_disc(struct l3_process *pc, u_char pr, void *arg)
pc->st->l3.l3l4(pc->st, CC_CHARGE | INDICATION, pc);
}
if (pc->st->l3.debug & L3_DEB_CHARGE) {
- sprintf(tmp, "charging info %d", pc->para.chargeinfo);
- l3_debug(pc->st, tmp);
+ 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");
@@ -527,15 +523,15 @@ l3_1tr6_disconnect_req(struct l3_process *pc, u_char pr, void *arg)
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;
+ 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);
@@ -590,12 +586,12 @@ l3_1tr6_t305(struct l3_process *pc, u_char pr, void *arg)
cause = pc->para.cause;
/* Map DSS1 causes */
switch (cause & 0x7f) {
- case 0x10:
- clen = 0;
- break;
- case 0x15:
- cause = CAUSE_CallRejected;
- break;
+ case 0x10:
+ clen = 0;
+ break;
+ case 0x15:
+ cause = CAUSE_CallRejected;
+ break;
}
MsgHead(p, pc->callref, MT_N1_REL, PROTO_DIS_N1);
*p++ = WE0_cause;
@@ -649,19 +645,19 @@ l3_1tr6_t308_2(struct l3_process *pc, u_char pr, void *arg)
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);
+ 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);
+ 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* */
@@ -669,9 +665,9 @@ 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(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),
@@ -698,9 +694,6 @@ static struct stateentry downstl[] =
CC_T308_2, l3_1tr6_t308_2},
};
-#define DOWNSTL_LEN \
- (sizeof(downstl) / sizeof(struct stateentry))
-
static struct stateentry datastln1[] =
{
{SBIT(0),
@@ -735,19 +728,14 @@ static struct stateentry datastln1[] =
MT_N1_REL_ACK, l3_1tr6_rel_ack}
};
-#define DATASTLN1_LEN \
- (sizeof(datastln1) / sizeof(struct stateentry))
-
static struct stateentry manstatelist[] =
{
- {SBIT(2),
- DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset},
- {ALL_STATES,
- DL_RELEASE | INDICATION, l3_1tr6_dl_release},
+ {SBIT(2),
+ DL_ESTABLISH | INDICATION, l3_1tr6_dl_reset},
+ {ALL_STATES,
+ DL_RELEASE | INDICATION, l3_1tr6_dl_release},
};
-
-#define MANSLLEN \
- (sizeof(manstatelist) / sizeof(struct stateentry))
+
/* *INDENT-ON* */
static void
@@ -756,42 +744,38 @@ 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;
+ 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);
+ 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) {
- sprintf(tmp, "up1tr6%sunexpected discriminator %x message len %d",
+ l3_debug(st, "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);
+ l3_debug(st, "up1tr6 CR len not 1");
}
dev_kfree_skb(skb);
return;
@@ -801,18 +785,16 @@ up1tr6(struct PStack *st, int pr, void *arg)
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);
+ 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 (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);
+ l3_debug(st, "up1tr6 no roc mem");
}
dev_kfree_skb(skb);
return;
@@ -822,17 +804,16 @@ up1tr6(struct PStack *st, int pr, void *arg)
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)) {
+ (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);
+ l3_debug(st, "up1tr6 no roc mem");
}
dev_kfree_skb(skb);
return;
@@ -840,25 +821,23 @@ up1tr6(struct PStack *st, int pr, void *arg)
mt = MT_N1_INVALID;
}
}
- for (i = 0; i < DATASTLN1_LEN; i++)
+ for (i = 0; i < ARRAY_SIZE(datastln1); i++)
if ((mt == datastln1[i].primitive) &&
((1 << proc->state) & datastln1[i].state))
break;
- if (i == DATASTLN1_LEN) {
+ if (i == ARRAY_SIZE(datastln1)) {
dev_kfree_skb(skb);
if (st->l3.debug & L3_DEB_STATE) {
- sprintf(tmp, "up1tr6%sstate %d mt %x unhandled",
- (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
+ l3_debug(st, "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) ",
+ l3_debug(st, "up1tr6%sstate %d mt %x",
+ (pr == (DL_DATA | INDICATION)) ? " " : "(broadcast) ",
proc->state, mt);
- l3_debug(st, tmp);
}
datastln1[i].rout(proc, pr, skb);
}
@@ -871,9 +850,8 @@ 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) {
+ if ((DL_ESTABLISH | REQUEST) == pr) {
l3_msg(st, pr, NULL);
return;
} else if ((CC_SETUP | REQUEST) == pr) {
@@ -892,21 +870,19 @@ down1tr6(struct PStack *st, int pr, void *arg)
proc = arg;
}
- for (i = 0; i < DOWNSTL_LEN; i++)
+ for (i = 0; i < ARRAY_SIZE(downstl); i++)
if ((pr == downstl[i].primitive) &&
((1 << proc->state) & downstl[i].state))
break;
- if (i == DOWNSTL_LEN) {
+ if (i == ARRAY_SIZE(downstl)) {
if (st->l3.debug & L3_DEB_STATE) {
- sprintf(tmp, "down1tr6 state %d prim %d unhandled",
+ l3_debug(st, "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",
+ l3_debug(st, "down1tr6 state %d prim %d",
proc->state, pr);
- l3_debug(st, tmp);
}
downstl[i].rout(proc, pr, arg);
}
@@ -915,31 +891,31 @@ down1tr6(struct PStack *st, int pr, void *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 < MANSLLEN; i++)
- if ((pr == manstatelist[i].primitive) &&
- ((1 << proc->state) & manstatelist[i].state))
- break;
- if (i == MANSLLEN) {
- 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);
- }
-}
-
+ 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)
{