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authorKarsten Keil <isdn@linux-pingi.de>2012-05-04 04:15:33 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-04 11:55:05 -0400
commitc626c127279b265ab293348763e043864d58d42c (patch)
tree476fa67d42bff3a1a27d97818fa66d16bf501a88 /drivers/isdn/mISDN
parent8423e6b212a19d5f02232855dec73196297b5ee9 (diff)
mISDN: Make layer1 timer 3 value configurable
For certification test it is very useful to change the layer1 timer3 value on runtime. Signed-off-by: Karsten Keil <kkeil@linux-pingi.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn/mISDN')
-rw-r--r--drivers/isdn/mISDN/layer1.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/isdn/mISDN/layer1.c b/drivers/isdn/mISDN/layer1.c
index 0fc49b37551..ff0515323c8 100644
--- a/drivers/isdn/mISDN/layer1.c
+++ b/drivers/isdn/mISDN/layer1.c
@@ -30,11 +30,12 @@ struct layer1 {
struct FsmInst l1m;
struct FsmTimer timer;
int delay;
+ int t3_value;
struct dchannel *dch;
dchannel_l1callback *dcb;
};
-#define TIMER3_VALUE 7000
+#define TIMER3_DEFAULT_VALUE 7000
static
struct Fsm l1fsm_s = {NULL, 0, 0, NULL, NULL};
@@ -233,7 +234,7 @@ l1_activate_s(struct FsmInst *fi, int event, void *arg)
{
struct layer1 *l1 = fi->userdata;
- mISDN_FsmRestartTimer(&l1->timer, TIMER3_VALUE, EV_TIMER3, NULL, 2);
+ mISDN_FsmRestartTimer(&l1->timer, l1->t3_value, EV_TIMER3, NULL, 2);
test_and_set_bit(FLG_L1_T3RUN, &l1->Flags);
l1->dcb(l1->dch, HW_RESET_REQ);
}
@@ -356,6 +357,16 @@ l1_event(struct layer1 *l1, u_int event)
release_l1(l1);
break;
default:
+ if ((event & ~HW_TIMER3_VMASK) == HW_TIMER3_VALUE) {
+ int val = event & HW_TIMER3_VMASK;
+
+ if (val < 5)
+ val = 5;
+ if (val > 30)
+ val = 30;
+ l1->t3_value = val;
+ break;
+ }
if (*debug & DEBUG_L1)
printk(KERN_DEBUG "%s %x unhandled\n",
__func__, event);
@@ -377,6 +388,7 @@ create_l1(struct dchannel *dch, dchannel_l1callback *dcb) {
nl1->l1m.fsm = &l1fsm_s;
nl1->l1m.state = ST_L1_F3;
nl1->Flags = 0;
+ nl1->t3_value = TIMER3_DEFAULT_VALUE;
nl1->l1m.debug = *debug & DEBUG_L1_FSM;
nl1->l1m.userdata = nl1;
nl1->l1m.userint = 0;