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path: root/drivers/isdn/hisax/isdnl1.c
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Diffstat (limited to 'drivers/isdn/hisax/isdnl1.c')
-rw-r--r--drivers/isdn/hisax/isdnl1.c279
1 files changed, 137 insertions, 142 deletions
diff --git a/drivers/isdn/hisax/isdnl1.c b/drivers/isdn/hisax/isdnl1.c
index a14204ec88e..800095781bf 100644
--- a/drivers/isdn/hisax/isdnl1.c
+++ b/drivers/isdn/hisax/isdnl1.c
@@ -5,7 +5,7 @@
* Author Karsten Keil
* based on the teles driver from Jan den Ouden
* 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.
*
@@ -18,12 +18,13 @@
*
*/
-const char *l1_revision = "$Revision: 2.46.2.5 $";
-
#include <linux/init.h>
+#include <linux/gfp.h>
#include "hisax.h"
#include "isdnl1.h"
+const char *l1_revision = "$Revision: 2.46.2.5 $";
+
#define TIMER3_VALUE 7000
static struct Fsm l1fsm_b;
@@ -39,7 +40,7 @@ enum {
ST_L1_F8,
};
-#define L1S_STATE_COUNT (ST_L1_F8+1)
+#define L1S_STATE_COUNT (ST_L1_F8 + 1)
static char *strL1SState[] =
{
@@ -64,7 +65,7 @@ enum {
ST_L1_TRANS,
};
-#define L1U_STATE_COUNT (ST_L1_TRANS+1)
+#define L1U_STATE_COUNT (ST_L1_TRANS + 1)
static char *strL1UState[] =
{
@@ -82,7 +83,7 @@ enum {
ST_L1_ACTIV,
};
-#define L1B_STATE_COUNT (ST_L1_ACTIV+1)
+#define L1B_STATE_COUNT (ST_L1_ACTIV + 1)
static char *strL1BState[] =
{
@@ -99,7 +100,7 @@ enum {
EV_DEACT_CNF,
EV_DEACT_IND,
EV_POWER_UP,
- EV_RSYNC_IND,
+ EV_RSYNC_IND,
EV_INFO2_IND,
EV_INFO4_IND,
EV_TIMER_DEACT,
@@ -117,7 +118,7 @@ static char *strL1Event[] =
"EV_DEACT_CNF",
"EV_DEACT_IND",
"EV_POWER_UP",
- "EV_RSYNC_IND",
+ "EV_RSYNC_IND",
"EV_INFO2_IND",
"EV_INFO4_IND",
"EV_TIMER_DEACT",
@@ -130,7 +131,7 @@ debugl1(struct IsdnCardState *cs, char *fmt, ...)
{
va_list args;
char tmp[8];
-
+
va_start(args, fmt);
sprintf(tmp, "Card%d ", cs->cardnr + 1);
VHiSax_putstatus(cs, tmp, fmt, args);
@@ -144,7 +145,7 @@ l1m_debug(struct FsmInst *fi, char *fmt, ...)
struct PStack *st = fi->userdata;
struct IsdnCardState *cs = st->l1.hardware;
char tmp[8];
-
+
va_start(args, fmt);
sprintf(tmp, "Card%d ", cs->cardnr + 1);
VHiSax_putstatus(cs, tmp, fmt, args);
@@ -208,19 +209,19 @@ DChannel_proc_rcv(struct IsdnCardState *cs)
if (stptr)
if (test_bit(FLG_L1_ACTTIMER, &stptr->l1.Flags))
- FsmEvent(&stptr->l1.l1m, EV_TIMER_ACT, NULL);
+ FsmEvent(&stptr->l1.l1m, EV_TIMER_ACT, NULL);
while ((skb = skb_dequeue(&cs->rq))) {
#ifdef L2FRAME_DEBUG /* psa */
if (cs->debug & L1_DEB_LAPD)
Logl2Frame(cs, skb, "PH_DATA", 1);
#endif
stptr = cs->stlist;
- if (skb->len<3) {
- debugl1(cs, "D-channel frame too short(%d)",skb->len);
+ if (skb->len < 3) {
+ debugl1(cs, "D-channel frame too short(%d)", skb->len);
dev_kfree_skb(skb);
return;
}
- if ((skb->data[0] & 1) || !(skb->data[1] &1)) {
+ if ((skb->data[0] & 1) || !(skb->data[1] & 1)) {
debugl1(cs, "D-channel frame wrong EA0/EA1");
dev_kfree_skb(skb);
return;
@@ -377,60 +378,60 @@ static char *
l2cmd(u_char cmd)
{
switch (cmd & ~0x10) {
- case 1:
- return "RR";
- case 5:
- return "RNR";
- case 9:
- return "REJ";
- case 0x6f:
- return "SABME";
- case 0x0f:
- return "DM";
- case 3:
- return "UI";
- case 0x43:
- return "DISC";
- case 0x63:
- return "UA";
- case 0x87:
- return "FRMR";
- case 0xaf:
- return "XID";
- default:
- if (!(cmd & 1))
- return "I";
- else
- return "invalid command";
+ case 1:
+ return "RR";
+ case 5:
+ return "RNR";
+ case 9:
+ return "REJ";
+ case 0x6f:
+ return "SABME";
+ case 0x0f:
+ return "DM";
+ case 3:
+ return "UI";
+ case 0x43:
+ return "DISC";
+ case 0x63:
+ return "UA";
+ case 0x87:
+ return "FRMR";
+ case 0xaf:
+ return "XID";
+ default:
+ if (!(cmd & 1))
+ return "I";
+ else
+ return "invalid command";
}
}
static char tmpdeb[32];
static char *
-l2frames(u_char * ptr)
+l2frames(u_char *ptr)
{
switch (ptr[2] & ~0x10) {
- case 1:
- case 5:
- case 9:
- sprintf(tmpdeb, "%s[%d](nr %d)", l2cmd(ptr[2]), ptr[3] & 1, ptr[3] >> 1);
+ case 1:
+ case 5:
+ case 9:
+ sprintf(tmpdeb, "%s[%d](nr %d)", l2cmd(ptr[2]), ptr[3] & 1, ptr[3] >> 1);
+ break;
+ case 0x6f:
+ case 0x0f:
+ case 3:
+ case 0x43:
+ case 0x63:
+ case 0x87:
+ case 0xaf:
+ sprintf(tmpdeb, "%s[%d]", l2cmd(ptr[2]), (ptr[2] & 0x10) >> 4);
+ break;
+ default:
+ if (!(ptr[2] & 1)) {
+ sprintf(tmpdeb, "I[%d](ns %d, nr %d)", ptr[3] & 1, ptr[2] >> 1, ptr[3] >> 1);
break;
- case 0x6f:
- case 0x0f:
- case 3:
- case 0x43:
- case 0x63:
- case 0x87:
- case 0xaf:
- sprintf(tmpdeb, "%s[%d]", l2cmd(ptr[2]), (ptr[2] & 0x10) >> 4);
- break;
- default:
- if (!(ptr[2] & 1)) {
- sprintf(tmpdeb, "I[%d](ns %d, nr %d)", ptr[3] & 1, ptr[2] >> 1, ptr[3] >> 1);
- break;
- } else
- return "invalid command";
+ } else
+ return "invalid command";
}
@@ -546,24 +547,24 @@ l1_timer3(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
- test_and_clear_bit(FLG_L1_T3RUN, &st->l1.Flags);
+ test_and_clear_bit(FLG_L1_T3RUN, &st->l1.Flags);
if (test_and_clear_bit(FLG_L1_ACTIVATING, &st->l1.Flags))
L1deactivated(st->l1.hardware);
#ifdef HISAX_UINTERFACE
if (!test_bit(FLG_L1_UINT, &st->l1.Flags))
#endif
- if (st->l1.l1m.state != ST_L1_F6) {
- FsmChangeState(fi, ST_L1_F3);
- st->l1.l1hw(st, HW_ENABLE | REQUEST, NULL);
- }
+ if (st->l1.l1m.state != ST_L1_F6) {
+ FsmChangeState(fi, ST_L1_F3);
+ st->l1.l1hw(st, HW_ENABLE | REQUEST, NULL);
+ }
}
static void
l1_timer_act(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
-
+
test_and_clear_bit(FLG_L1_ACTTIMER, &st->l1.Flags);
test_and_set_bit(FLG_L1_ACTIVATED, &st->l1.Flags);
L1activated(st->l1.hardware);
@@ -573,7 +574,7 @@ static void
l1_timer_deact(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
-
+
test_and_clear_bit(FLG_L1_DEACTTIMER, &st->l1.Flags);
test_and_clear_bit(FLG_L1_ACTIVATED, &st->l1.Flags);
L1deactivated(st->l1.hardware);
@@ -584,7 +585,7 @@ static void
l1_activate_s(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
-
+
st->l1.l1hw(st, HW_RESET | REQUEST, NULL);
}
@@ -647,8 +648,6 @@ static struct FsmNode L1SFnList[] __initdata =
{ST_L1_F8, EV_TIMER_DEACT, l1_timer_deact},
};
-#define L1S_FN_COUNT (sizeof(L1SFnList)/sizeof(struct FsmNode))
-
#ifdef HISAX_UINTERFACE
static void
l1_deact_req_u(struct FsmInst *fi, int event, void *arg)
@@ -680,7 +679,7 @@ static void
l1_activate_u(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
-
+
st->l1.l1hw(st, HW_INFO1 | REQUEST, NULL);
}
@@ -706,8 +705,6 @@ static struct FsmNode L1UFnList[] __initdata =
{ST_L1_RESET, EV_TIMER_DEACT, l1_timer_deact},
};
-#define L1U_FN_COUNT (sizeof(L1UFnList)/sizeof(struct FsmNode))
-
#endif
static void
@@ -754,9 +751,7 @@ static struct FsmNode L1BFnList[] __initdata =
{ST_L1_WAIT_DEACT, EV_TIMER_DEACT, l1b_timer_deact},
};
-#define L1B_FN_COUNT (sizeof(L1BFnList)/sizeof(struct FsmNode))
-
-int __init
+int __init
Isdnl1New(void)
{
int retval;
@@ -765,7 +760,7 @@ Isdnl1New(void)
l1fsm_s.event_count = L1_EVENT_COUNT;
l1fsm_s.strEvent = strL1Event;
l1fsm_s.strState = strL1SState;
- retval = FsmNew(&l1fsm_s, L1SFnList, L1S_FN_COUNT);
+ retval = FsmNew(&l1fsm_s, L1SFnList, ARRAY_SIZE(L1SFnList));
if (retval)
return retval;
@@ -773,7 +768,7 @@ Isdnl1New(void)
l1fsm_b.event_count = L1_EVENT_COUNT;
l1fsm_b.strEvent = strL1Event;
l1fsm_b.strState = strL1BState;
- retval = FsmNew(&l1fsm_b, L1BFnList, L1B_FN_COUNT);
+ retval = FsmNew(&l1fsm_b, L1BFnList, ARRAY_SIZE(L1BFnList));
if (retval) {
FsmFree(&l1fsm_s);
return retval;
@@ -783,7 +778,7 @@ Isdnl1New(void)
l1fsm_u.event_count = L1_EVENT_COUNT;
l1fsm_u.strEvent = strL1Event;
l1fsm_u.strState = strL1UState;
- retval = FsmNew(&l1fsm_u, L1UFnList, L1U_FN_COUNT);
+ retval = FsmNew(&l1fsm_u, L1UFnList, ARRAY_SIZE(L1UFnList));
if (retval) {
FsmFree(&l1fsm_s);
FsmFree(&l1fsm_b);
@@ -808,35 +803,35 @@ dch_l2l1(struct PStack *st, int pr, void *arg)
struct IsdnCardState *cs = (struct IsdnCardState *) st->l1.hardware;
switch (pr) {
- case (PH_DATA | REQUEST):
- case (PH_PULL | REQUEST):
- case (PH_PULL |INDICATION):
- st->l1.l1hw(st, pr, arg);
- break;
- case (PH_ACTIVATE | REQUEST):
- if (cs->debug)
- debugl1(cs, "PH_ACTIVATE_REQ %s",
- st->l1.l1m.fsm->strState[st->l1.l1m.state]);
- if (test_bit(FLG_L1_ACTIVATED, &st->l1.Flags))
- st->l1.l1l2(st, PH_ACTIVATE | CONFIRM, NULL);
- else {
- test_and_set_bit(FLG_L1_ACTIVATING, &st->l1.Flags);
- FsmEvent(&st->l1.l1m, EV_PH_ACTIVATE, arg);
- }
- break;
- case (PH_TESTLOOP | REQUEST):
- if (1 & (long) arg)
- debugl1(cs, "PH_TEST_LOOP B1");
- if (2 & (long) arg)
- debugl1(cs, "PH_TEST_LOOP B2");
- if (!(3 & (long) arg))
- debugl1(cs, "PH_TEST_LOOP DISABLED");
- st->l1.l1hw(st, HW_TESTLOOP | REQUEST, arg);
- break;
- default:
- if (cs->debug)
- debugl1(cs, "dch_l2l1 msg %04X unhandled", pr);
- break;
+ case (PH_DATA | REQUEST):
+ case (PH_PULL | REQUEST):
+ case (PH_PULL | INDICATION):
+ st->l1.l1hw(st, pr, arg);
+ break;
+ case (PH_ACTIVATE | REQUEST):
+ if (cs->debug)
+ debugl1(cs, "PH_ACTIVATE_REQ %s",
+ st->l1.l1m.fsm->strState[st->l1.l1m.state]);
+ if (test_bit(FLG_L1_ACTIVATED, &st->l1.Flags))
+ st->l1.l1l2(st, PH_ACTIVATE | CONFIRM, NULL);
+ else {
+ test_and_set_bit(FLG_L1_ACTIVATING, &st->l1.Flags);
+ FsmEvent(&st->l1.l1m, EV_PH_ACTIVATE, arg);
+ }
+ break;
+ case (PH_TESTLOOP | REQUEST):
+ if (1 & (long) arg)
+ debugl1(cs, "PH_TEST_LOOP B1");
+ if (2 & (long) arg)
+ debugl1(cs, "PH_TEST_LOOP B2");
+ if (!(3 & (long) arg))
+ debugl1(cs, "PH_TEST_LOOP DISABLED");
+ st->l1.l1hw(st, HW_TESTLOOP | REQUEST, arg);
+ break;
+ default:
+ if (cs->debug)
+ debugl1(cs, "dch_l2l1 msg %04X unhandled", pr);
+ break;
}
}
@@ -845,35 +840,35 @@ l1_msg(struct IsdnCardState *cs, int pr, void *arg) {
struct PStack *st;
st = cs->stlist;
-
+
while (st) {
- switch(pr) {
- case (HW_RESET | INDICATION):
- FsmEvent(&st->l1.l1m, EV_RESET_IND, arg);
- break;
- case (HW_DEACTIVATE | CONFIRM):
- FsmEvent(&st->l1.l1m, EV_DEACT_CNF, arg);
- break;
- case (HW_DEACTIVATE | INDICATION):
- FsmEvent(&st->l1.l1m, EV_DEACT_IND, arg);
- break;
- case (HW_POWERUP | CONFIRM):
- FsmEvent(&st->l1.l1m, EV_POWER_UP, arg);
- break;
- case (HW_RSYNC | INDICATION):
- FsmEvent(&st->l1.l1m, EV_RSYNC_IND, arg);
- break;
- case (HW_INFO2 | INDICATION):
- FsmEvent(&st->l1.l1m, EV_INFO2_IND, arg);
- break;
- case (HW_INFO4_P8 | INDICATION):
- case (HW_INFO4_P10 | INDICATION):
- FsmEvent(&st->l1.l1m, EV_INFO4_IND, arg);
- break;
- default:
- if (cs->debug)
- debugl1(cs, "l1msg %04X unhandled", pr);
- break;
+ switch (pr) {
+ case (HW_RESET | INDICATION):
+ FsmEvent(&st->l1.l1m, EV_RESET_IND, arg);
+ break;
+ case (HW_DEACTIVATE | CONFIRM):
+ FsmEvent(&st->l1.l1m, EV_DEACT_CNF, arg);
+ break;
+ case (HW_DEACTIVATE | INDICATION):
+ FsmEvent(&st->l1.l1m, EV_DEACT_IND, arg);
+ break;
+ case (HW_POWERUP | CONFIRM):
+ FsmEvent(&st->l1.l1m, EV_POWER_UP, arg);
+ break;
+ case (HW_RSYNC | INDICATION):
+ FsmEvent(&st->l1.l1m, EV_RSYNC_IND, arg);
+ break;
+ case (HW_INFO2 | INDICATION):
+ FsmEvent(&st->l1.l1m, EV_INFO2_IND, arg);
+ break;
+ case (HW_INFO4_P8 | INDICATION):
+ case (HW_INFO4_P10 | INDICATION):
+ FsmEvent(&st->l1.l1m, EV_INFO4_IND, arg);
+ break;
+ default:
+ if (cs->debug)
+ debugl1(cs, "l1msg %04X unhandled", pr);
+ break;
}
st = st->next;
}
@@ -881,13 +876,13 @@ l1_msg(struct IsdnCardState *cs, int pr, void *arg) {
void
l1_msg_b(struct PStack *st, int pr, void *arg) {
- switch(pr) {
- case (PH_ACTIVATE | REQUEST):
- FsmEvent(&st->l1.l1m, EV_PH_ACTIVATE, NULL);
- break;
- case (PH_DEACTIVATE | REQUEST):
- FsmEvent(&st->l1.l1m, EV_PH_DEACTIVATE, NULL);
- break;
+ switch (pr) {
+ case (PH_ACTIVATE | REQUEST):
+ FsmEvent(&st->l1.l1m, EV_PH_ACTIVATE, NULL);
+ break;
+ case (PH_DEACTIVATE | REQUEST):
+ FsmEvent(&st->l1.l1m, EV_PH_DEACTIVATE, NULL);
+ break;
}
}