840 lines
20 KiB
C
840 lines
20 KiB
C
/* $Id$
|
|
*
|
|
* hisax_l1.c common low level stuff for I.430 layer1
|
|
*
|
|
* Author Karsten Keil (keil@isdn4linux.de)
|
|
*
|
|
* This file is (c) under GNU PUBLIC LICENSE
|
|
* For changes and modifications please read
|
|
* ../../../Documentation/isdn/HiSax.cert
|
|
*
|
|
*/
|
|
|
|
const char *l1_revision = "$Revision$";
|
|
|
|
#include <linux/config.h>
|
|
#include <linux/module.h>
|
|
#include "helper.h"
|
|
#include "hisaxl1.h"
|
|
#include "debug.h"
|
|
|
|
typedef struct _layer1 {
|
|
struct _layer1 *prev;
|
|
struct _layer1 *next;
|
|
int Flags;
|
|
struct FsmInst l1m;
|
|
struct FsmTimer timer;
|
|
int debug;
|
|
int delay;
|
|
u_int last_nr;
|
|
hisaxinstance_t inst;
|
|
} layer1_t;
|
|
|
|
static layer1_t *l1list = NULL;
|
|
static int debug = 0;
|
|
static hisaxobject_t isdnl1;
|
|
static u_int msgnr = 1;
|
|
|
|
#define TIMER3_VALUE 7000
|
|
|
|
static
|
|
struct Fsm l1fsm_b =
|
|
{NULL, 0, 0, NULL, NULL};
|
|
|
|
static
|
|
struct Fsm l1fsm_s =
|
|
{NULL, 0, 0, NULL, NULL};
|
|
|
|
enum {
|
|
ST_L1_F2,
|
|
ST_L1_F3,
|
|
ST_L1_F4,
|
|
ST_L1_F5,
|
|
ST_L1_F6,
|
|
ST_L1_F7,
|
|
ST_L1_F8,
|
|
};
|
|
|
|
#define L1S_STATE_COUNT (ST_L1_F8+1)
|
|
|
|
static char *strL1SState[] =
|
|
{
|
|
"ST_L1_F2",
|
|
"ST_L1_F3",
|
|
"ST_L1_F4",
|
|
"ST_L1_F5",
|
|
"ST_L1_F6",
|
|
"ST_L1_F7",
|
|
"ST_L1_F8",
|
|
};
|
|
|
|
#ifdef HISAX_UINTERFACE
|
|
static
|
|
struct Fsm l1fsm_u =
|
|
{NULL, 0, 0, NULL, NULL};
|
|
|
|
enum {
|
|
ST_L1_RESET,
|
|
ST_L1_DEACT,
|
|
ST_L1_SYNC2,
|
|
ST_L1_TRANS,
|
|
};
|
|
|
|
#define L1U_STATE_COUNT (ST_L1_TRANS+1)
|
|
|
|
static char *strL1UState[] =
|
|
{
|
|
"ST_L1_RESET",
|
|
"ST_L1_DEACT",
|
|
"ST_L1_SYNC2",
|
|
"ST_L1_TRANS",
|
|
};
|
|
#endif
|
|
|
|
enum {
|
|
ST_L1_NULL,
|
|
ST_L1_WAIT_ACT,
|
|
ST_L1_WAIT_DEACT,
|
|
ST_L1_ACTIV,
|
|
};
|
|
|
|
#define L1B_STATE_COUNT (ST_L1_ACTIV+1)
|
|
|
|
static char *strL1BState[] =
|
|
{
|
|
"ST_L1_NULL",
|
|
"ST_L1_WAIT_ACT",
|
|
"ST_L1_WAIT_DEACT",
|
|
"ST_L1_ACTIV",
|
|
};
|
|
|
|
enum {
|
|
EV_PH_ACTIVATE,
|
|
EV_PH_DEACTIVATE,
|
|
EV_RESET_IND,
|
|
EV_DEACT_CNF,
|
|
EV_DEACT_IND,
|
|
EV_POWER_UP,
|
|
EV_ANYSIG_IND,
|
|
EV_INFO2_IND,
|
|
EV_INFO4_IND,
|
|
EV_TIMER_DEACT,
|
|
EV_TIMER_ACT,
|
|
EV_TIMER3,
|
|
};
|
|
|
|
#define L1_EVENT_COUNT (EV_TIMER3 + 1)
|
|
|
|
static char *strL1Event[] =
|
|
{
|
|
"EV_PH_ACTIVATE",
|
|
"EV_PH_DEACTIVATE",
|
|
"EV_RESET_IND",
|
|
"EV_DEACT_CNF",
|
|
"EV_DEACT_IND",
|
|
"EV_POWER_UP",
|
|
"EV_ANYSIG_IND",
|
|
"EV_INFO2_IND",
|
|
"EV_INFO4_IND",
|
|
"EV_TIMER_DEACT",
|
|
"EV_TIMER_ACT",
|
|
"EV_TIMER3",
|
|
};
|
|
|
|
static void
|
|
l1m_debug(struct FsmInst *fi, char *fmt, ...)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
logdata_t log;
|
|
|
|
va_start(log.args, fmt);
|
|
log.fmt = fmt;
|
|
log.head = l1->inst.id;
|
|
l1->inst.obj->ctrl(&l1->inst, MGR_DEBUGDATA | REQUEST, &log);
|
|
va_end(log.args);
|
|
}
|
|
|
|
static int
|
|
l1up(layer1_t *l1, u_int prim, u_int nr, int dtyp, void *arg) {
|
|
int err = -EINVAL;
|
|
hisaxif_t *upif = &l1->inst.up;
|
|
|
|
if (upif) {
|
|
err = upif->func(upif, prim, nr, dtyp, arg);
|
|
if (err < 0) {
|
|
printk(KERN_WARNING "HiSax: l1up err %d\n", err);
|
|
return(err);
|
|
}
|
|
}
|
|
return(err);
|
|
}
|
|
|
|
static void
|
|
l1_reset(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
FsmChangeState(fi, ST_L1_F3);
|
|
}
|
|
|
|
static void
|
|
l1_deact_cnf(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_F3);
|
|
if (test_bit(FLG_L1_ACTIVATING, &l1->Flags))
|
|
l1->inst.down.func(&l1->inst.down, PH_CONTROL | REQUEST,
|
|
msgnr++, 4, (void *)HW_POWERUP);
|
|
}
|
|
|
|
static void
|
|
l1_deact_req_s(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_F3);
|
|
FsmRestartTimer(&l1->timer, 550, EV_TIMER_DEACT, NULL, 2);
|
|
test_and_set_bit(FLG_L1_DEACTTIMER, &l1->Flags);
|
|
}
|
|
|
|
static void
|
|
l1_power_up_s(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
if (test_bit(FLG_L1_ACTIVATING, &l1->Flags)) {
|
|
FsmChangeState(fi, ST_L1_F4);
|
|
l1->inst.down.func(&l1->inst.down, PH_SIGNAL | REQUEST,
|
|
msgnr++, 4, (void *)INFO3_P8);
|
|
FsmRestartTimer(&l1->timer, TIMER3_VALUE, EV_TIMER3, NULL, 2);
|
|
test_and_set_bit(FLG_L1_T3RUN, &l1->Flags);
|
|
} else
|
|
FsmChangeState(fi, ST_L1_F3);
|
|
}
|
|
|
|
static void
|
|
l1_go_F5(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
FsmChangeState(fi, ST_L1_F5);
|
|
}
|
|
|
|
static void
|
|
l1_go_F8(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
FsmChangeState(fi, ST_L1_F8);
|
|
}
|
|
|
|
static void
|
|
l1_info2_ind(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
#ifdef HISAX_UINTERFACE
|
|
if (test_bit(FLG_L1_UINT, &l1->Flags))
|
|
FsmChangeState(fi, ST_L1_SYNC2);
|
|
else
|
|
#endif
|
|
FsmChangeState(fi, ST_L1_F6);
|
|
l1->inst.down.func(&l1->inst.down, PH_SIGNAL | REQUEST, msgnr++,
|
|
4, (void *)INFO3_P8);
|
|
}
|
|
|
|
static void
|
|
l1_info4_ind(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
#ifdef HISAX_UINTERFACE
|
|
if (test_bit(FLG_L1_UINT, &l1->Flags))
|
|
FsmChangeState(fi, ST_L1_TRANS);
|
|
else
|
|
#endif
|
|
FsmChangeState(fi, ST_L1_F7);
|
|
l1->inst.down.func(&l1->inst.down, PH_SIGNAL | REQUEST, msgnr++,
|
|
4, (void *)INFO3_P8);
|
|
if (test_and_clear_bit(FLG_L1_DEACTTIMER, &l1->Flags))
|
|
FsmDelTimer(&l1->timer, 4);
|
|
if (!test_bit(FLG_L1_ACTIVATED, &l1->Flags)) {
|
|
if (test_and_clear_bit(FLG_L1_T3RUN, &l1->Flags))
|
|
FsmDelTimer(&l1->timer, 3);
|
|
FsmRestartTimer(&l1->timer, 110, EV_TIMER_ACT, NULL, 2);
|
|
test_and_set_bit(FLG_L1_ACTTIMER, &l1->Flags);
|
|
}
|
|
}
|
|
|
|
static void
|
|
l1_timer3(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
u_int db = HW_D_NOBLOCKED;
|
|
|
|
test_and_clear_bit(FLG_L1_T3RUN, &l1->Flags);
|
|
if (test_and_clear_bit(FLG_L1_ACTIVATING, &l1->Flags)) {
|
|
if (test_and_clear_bit(FLG_L1_DBLOCKED, &l1->Flags))
|
|
l1up(l1, PH_CONTROL | INDICATION, msgnr++, 4, &db);
|
|
l1up(l1, PH_DEACTIVATE | INDICATION, msgnr++, 0, NULL);
|
|
}
|
|
#ifdef HISAX_UINTERFACE
|
|
if (!test_bit(FLG_L1_UINT, &l1->Flags))
|
|
#endif
|
|
if (l1->l1m.state != ST_L1_F6) {
|
|
FsmChangeState(fi, ST_L1_F3);
|
|
l1->inst.down.func(&l1->inst.down, PH_CONTROL | REQUEST,
|
|
msgnr++, 4, (void *)HW_POWERUP);
|
|
}
|
|
}
|
|
|
|
static void
|
|
l1_timer_act(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
test_and_clear_bit(FLG_L1_ACTTIMER, &l1->Flags);
|
|
test_and_set_bit(FLG_L1_ACTIVATED, &l1->Flags);
|
|
if (test_and_clear_bit(FLG_L1_ACTIVATING, &l1->Flags))
|
|
l1up(l1, PH_ACTIVATE | CONFIRM, l1->last_nr, 0, NULL);
|
|
else
|
|
l1up(l1, PH_ACTIVATE | INDICATION, msgnr++, 0, NULL);
|
|
}
|
|
|
|
static void
|
|
l1_timer_deact(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
u_int db = HW_D_NOBLOCKED;
|
|
|
|
test_and_clear_bit(FLG_L1_DEACTTIMER, &l1->Flags);
|
|
test_and_clear_bit(FLG_L1_ACTIVATED, &l1->Flags);
|
|
if (test_and_clear_bit(FLG_L1_DBLOCKED, &l1->Flags))
|
|
l1up(l1, PH_CONTROL | INDICATION, msgnr++, 4, &db);
|
|
l1up(l1, PH_DEACTIVATE | INDICATION, msgnr++, 0, NULL);
|
|
l1->inst.down.func(&l1->inst.down, PH_CONTROL | REQUEST, msgnr++, 4,
|
|
(void *)HW_DEACTIVATE);
|
|
}
|
|
|
|
static void
|
|
l1_activate_s(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
l1->inst.down.func(&l1->inst.down, PH_CONTROL | REQUEST, msgnr++, 4,
|
|
(void *)HW_RESET);
|
|
}
|
|
|
|
static void
|
|
l1_activate_no(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
u_int db = HW_D_NOBLOCKED;
|
|
|
|
if ((!test_bit(FLG_L1_DEACTTIMER, &l1->Flags)) && (!test_bit(FLG_L1_T3RUN, &l1->Flags))) {
|
|
test_and_clear_bit(FLG_L1_ACTIVATING, &l1->Flags);
|
|
if (test_and_clear_bit(FLG_L1_DBLOCKED, &l1->Flags))
|
|
l1up(l1, PH_CONTROL | INDICATION, msgnr++, 4, &db);
|
|
l1up(l1, PH_DEACTIVATE | INDICATION, msgnr++, 0, NULL);
|
|
}
|
|
}
|
|
|
|
static struct FsmNode L1SFnList[] =
|
|
{
|
|
{ST_L1_F3, EV_PH_ACTIVATE, l1_activate_s},
|
|
{ST_L1_F6, EV_PH_ACTIVATE, l1_activate_no},
|
|
{ST_L1_F8, EV_PH_ACTIVATE, l1_activate_no},
|
|
{ST_L1_F3, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F4, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F5, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F6, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F7, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F8, EV_RESET_IND, l1_reset},
|
|
{ST_L1_F3, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F4, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F5, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F6, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F7, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F8, EV_DEACT_CNF, l1_deact_cnf},
|
|
{ST_L1_F6, EV_DEACT_IND, l1_deact_req_s},
|
|
{ST_L1_F7, EV_DEACT_IND, l1_deact_req_s},
|
|
{ST_L1_F8, EV_DEACT_IND, l1_deact_req_s},
|
|
{ST_L1_F3, EV_POWER_UP, l1_power_up_s},
|
|
{ST_L1_F4, EV_ANYSIG_IND,l1_go_F5},
|
|
{ST_L1_F6, EV_ANYSIG_IND,l1_go_F8},
|
|
{ST_L1_F7, EV_ANYSIG_IND,l1_go_F8},
|
|
{ST_L1_F3, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F4, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F5, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F7, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F8, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_F3, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F4, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F5, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F6, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F8, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_F3, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F4, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F5, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F6, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F8, EV_TIMER3, l1_timer3},
|
|
{ST_L1_F7, EV_TIMER_ACT, l1_timer_act},
|
|
{ST_L1_F3, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F4, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F5, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F6, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_F7, EV_TIMER_DEACT, l1_timer_deact},
|
|
{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)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_RESET);
|
|
FsmRestartTimer(&l1->timer, 550, EV_TIMER_DEACT, NULL, 2);
|
|
test_and_set_bit(FLG_L1_DEACTTIMER, &l1->Flags);
|
|
l1->inst.down.func(&l1->inst.down, PH_CONTROL | REQUEST, msgnr++, 4,
|
|
(void *)HW_POWERUP);
|
|
}
|
|
|
|
static void
|
|
l1_power_up_u(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
FsmRestartTimer(&l1->timer, TIMER3_VALUE, EV_TIMER3, NULL, 2);
|
|
test_and_set_bit(FLG_L1_T3RUN, &l1->Flags);
|
|
}
|
|
|
|
static void
|
|
l1_info0_ind(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
FsmChangeState(fi, ST_L1_DEACT);
|
|
}
|
|
|
|
static void
|
|
l1_activate_u(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
l1->inst.down.func(&l1->inst.down, PH_SIGNAL | REQUEST, msgnr++, 4,
|
|
(void *)INFO1);
|
|
}
|
|
|
|
static struct FsmNode L1UFnList[] =
|
|
{
|
|
{ST_L1_RESET, EV_DEACT_IND, l1_deact_req_u},
|
|
{ST_L1_DEACT, EV_DEACT_IND, l1_deact_req_u},
|
|
{ST_L1_SYNC2, EV_DEACT_IND, l1_deact_req_u},
|
|
{ST_L1_TRANS, EV_DEACT_IND, l1_deact_req_u},
|
|
{ST_L1_DEACT, EV_PH_ACTIVATE, l1_activate_u},
|
|
{ST_L1_DEACT, EV_POWER_UP, l1_power_up_u},
|
|
{ST_L1_DEACT, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_TRANS, EV_INFO2_IND, l1_info2_ind},
|
|
{ST_L1_RESET, EV_DEACT_CNF, l1_info0_ind},
|
|
{ST_L1_DEACT, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_SYNC2, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_RESET, EV_INFO4_IND, l1_info4_ind},
|
|
{ST_L1_DEACT, EV_TIMER3, l1_timer3},
|
|
{ST_L1_SYNC2, EV_TIMER3, l1_timer3},
|
|
{ST_L1_TRANS, EV_TIMER_ACT, l1_timer_act},
|
|
{ST_L1_DEACT, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_SYNC2, EV_TIMER_DEACT, l1_timer_deact},
|
|
{ST_L1_RESET, EV_TIMER_DEACT, l1_timer_deact},
|
|
};
|
|
|
|
#define L1U_FN_COUNT (sizeof(L1UFnList)/sizeof(struct FsmNode))
|
|
|
|
#endif
|
|
|
|
static void
|
|
l1b_activate(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_WAIT_ACT);
|
|
FsmRestartTimer(&l1->timer, l1->delay, EV_TIMER_ACT, NULL, 2);
|
|
}
|
|
|
|
static void
|
|
l1b_deactivate(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_WAIT_DEACT);
|
|
FsmRestartTimer(&l1->timer, 10, EV_TIMER_DEACT, NULL, 2);
|
|
}
|
|
|
|
static void
|
|
l1b_timer_act(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_ACTIV);
|
|
l1up(l1, PH_ACTIVATE | CONFIRM, l1->last_nr, 0, NULL);
|
|
}
|
|
|
|
static void
|
|
l1b_timer_deact(struct FsmInst *fi, int event, void *arg)
|
|
{
|
|
layer1_t *l1 = fi->userdata;
|
|
|
|
FsmChangeState(fi, ST_L1_NULL);
|
|
l1up(l1, PH_DEACTIVATE | CONFIRM, l1->last_nr, 0, NULL);
|
|
}
|
|
|
|
static struct FsmNode L1BFnList[] =
|
|
{
|
|
{ST_L1_NULL, EV_PH_ACTIVATE, l1b_activate},
|
|
{ST_L1_WAIT_ACT, EV_TIMER_ACT, l1b_timer_act},
|
|
{ST_L1_ACTIV, EV_PH_DEACTIVATE, l1b_deactivate},
|
|
{ST_L1_WAIT_DEACT, EV_TIMER_DEACT, l1b_timer_deact},
|
|
};
|
|
|
|
#define L1B_FN_COUNT (sizeof(L1BFnList)/sizeof(struct FsmNode))
|
|
|
|
static int
|
|
l1from_up(hisaxif_t *hif, u_int prim, u_int nr, int dtyp, void *arg) {
|
|
layer1_t *l1;
|
|
|
|
if (!hif || !hif->fdata)
|
|
return(-EINVAL);
|
|
l1 = hif->fdata;
|
|
switch(prim) {
|
|
case (PH_DATA | REQUEST):
|
|
case (PH_CONTROL | REQUEST):
|
|
return(l1->inst.down.func(&l1->inst.down, prim, nr, dtyp, arg));
|
|
break;
|
|
case (PH_ACTIVATE | REQUEST):
|
|
if (test_bit(FLG_L1_ACTIVATED, &l1->Flags))
|
|
l1up(l1, PH_ACTIVATE | CONFIRM, nr, 0, NULL);
|
|
else {
|
|
test_and_set_bit(FLG_L1_ACTIVATING, &l1->Flags);
|
|
l1->last_nr = nr;
|
|
FsmEvent(&l1->l1m, EV_PH_ACTIVATE, arg);
|
|
}
|
|
break;
|
|
default:
|
|
if (l1->debug)
|
|
hisaxdebug(l1->inst.st->id, NULL,
|
|
"l1from_up msg %x unhandled", prim);
|
|
return(-EINVAL);
|
|
break;
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
l1from_down(hisaxif_t *hif, u_int prim, u_int nr, int dtyp, void *arg) {
|
|
layer1_t *l1;
|
|
u_int val = (u_int)arg;
|
|
|
|
if (!hif || !hif->fdata)
|
|
return(-EINVAL);
|
|
l1 = hif->fdata;
|
|
if (prim == PH_DATA_IND) {
|
|
if (test_bit(FLG_L1_ACTTIMER, &l1->Flags))
|
|
FsmEvent(&l1->l1m, EV_TIMER_ACT, NULL);
|
|
return(l1up(l1, prim, nr, dtyp, arg));
|
|
} else if (prim == PH_DATA_CNF) {
|
|
return(l1up(l1, prim, nr, dtyp, arg));
|
|
} else if (prim == (PH_CONTROL | INDICATION)) {
|
|
if (val == HW_RESET)
|
|
FsmEvent(&l1->l1m, EV_RESET_IND, arg);
|
|
else if (val == HW_DEACTIVATE)
|
|
FsmEvent(&l1->l1m, EV_DEACT_IND, arg);
|
|
else if (val == HW_POWERUP)
|
|
FsmEvent(&l1->l1m, EV_POWER_UP, arg);
|
|
} else if (prim == (PH_CONTROL | CONFIRM)) {
|
|
if (val == HW_DEACTIVATE)
|
|
FsmEvent(&l1->l1m, EV_DEACT_CNF, arg);
|
|
} else if (prim == (PH_SIGNAL | INDICATION)) {
|
|
if (val == ANYSIGNAL)
|
|
FsmEvent(&l1->l1m, EV_ANYSIG_IND, arg);
|
|
else if (val == LOSTFRAMING)
|
|
FsmEvent(&l1->l1m, EV_ANYSIG_IND, arg);
|
|
else if (val == INFO2)
|
|
FsmEvent(&l1->l1m, EV_INFO2_IND, arg);
|
|
else if (val == INFO4_P8)
|
|
FsmEvent(&l1->l1m, EV_INFO4_IND, arg);
|
|
else if (val == INFO4_P10)
|
|
FsmEvent(&l1->l1m, EV_INFO4_IND, arg);
|
|
else {
|
|
if (l1->debug)
|
|
hisaxdebug(l1->inst.st->id, NULL,
|
|
"l1from_down sig %x unhandled", val);
|
|
return(-EINVAL);
|
|
}
|
|
} else {
|
|
if (l1->debug)
|
|
hisaxdebug(l1->inst.st->id, NULL,
|
|
"l1from_down msg %x unhandled", prim);
|
|
return(-EINVAL);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static void
|
|
release_l1(layer1_t *l1) {
|
|
hisaxinstance_t *inst = &l1->inst;
|
|
hisaxif_t hif;
|
|
|
|
FsmDelTimer(&l1->timer, 0);
|
|
memset(&hif, 0, sizeof(hisaxif_t));
|
|
hif.fdata = l1;
|
|
hif.func = l1from_up;
|
|
hif.protocol = inst->up.protocol;
|
|
hif.layermask = inst->up.layermask;
|
|
isdnl1.ctrl(inst->st, MGR_DELIF | REQUEST, &hif);
|
|
hif.fdata = l1;
|
|
hif.func = l1from_down;
|
|
hif.protocol = inst->down.protocol;
|
|
hif.layermask = inst->down.layermask;
|
|
isdnl1.ctrl(inst->st, MGR_DELIF | REQUEST, &hif);
|
|
REMOVE_FROM_LISTBASE(l1, l1list);
|
|
isdnl1.ctrl(inst->st, MGR_DELLAYER | REQUEST, inst);
|
|
kfree(l1);
|
|
}
|
|
|
|
static layer1_t *
|
|
create_l1(hisaxstack_t *st, hisaxif_t *hif) {
|
|
layer1_t *nl1;
|
|
int err, lay;
|
|
|
|
if (!hif)
|
|
return(NULL);
|
|
printk(KERN_DEBUG "create_l1 prot %x\n", hif->protocol);
|
|
if (!st) {
|
|
printk(KERN_ERR "create_l1 no stack\n");
|
|
return(NULL);
|
|
}
|
|
lay = layermask2layer(hif->layermask);
|
|
if (lay < 0) {
|
|
int_errtxt("lm %x", hif->layermask);
|
|
return(NULL);
|
|
}
|
|
if (!(nl1 = kmalloc(sizeof(layer1_t), GFP_ATOMIC))) {
|
|
printk(KERN_ERR "kmalloc layer1_t failed\n");
|
|
return(NULL);
|
|
}
|
|
memset(nl1, 0, sizeof(layer1_t));
|
|
nl1->inst.pid.protocol[lay] = hif->protocol;
|
|
switch(hif->protocol) {
|
|
case ISDN_PID_L1_TE_S0:
|
|
sprintf(nl1->inst.id, "l1TES0 %d", st->id);
|
|
nl1->l1m.fsm = &l1fsm_s;
|
|
nl1->l1m.state = ST_L1_F3;
|
|
nl1->Flags = 0;
|
|
break;
|
|
default:
|
|
printk(KERN_ERR "layer1 create failed prt %x\n",hif->protocol);
|
|
kfree(nl1);
|
|
return(NULL);
|
|
}
|
|
nl1->debug = debug;
|
|
nl1->l1m.debug = debug;
|
|
nl1->l1m.userdata = nl1;
|
|
nl1->l1m.userint = 0;
|
|
nl1->l1m.printdebug = l1m_debug;
|
|
FsmInitTimer(&nl1->l1m, &nl1->timer);
|
|
nl1->inst.obj = &isdnl1;
|
|
nl1->inst.layermask = hif->layermask;
|
|
nl1->inst.data = nl1;
|
|
APPEND_TO_LIST(nl1, l1list);
|
|
isdnl1.ctrl(st, MGR_ADDLAYER | INDICATION, &nl1->inst);
|
|
nl1->inst.up.layermask = get_up_layer(nl1->inst.layermask);
|
|
nl1->inst.up.protocol = get_protocol(st, nl1->inst.up.layermask);
|
|
nl1->inst.up.stat = IF_DOWN;
|
|
nl1->inst.down.layermask = get_down_layer(nl1->inst.layermask);
|
|
nl1->inst.down.protocol = get_protocol(st, nl1->inst.down.layermask);
|
|
nl1->inst.down.stat = IF_UP;
|
|
err = isdnl1.ctrl(st, MGR_ADDIF | REQUEST, &nl1->inst.down);
|
|
if (err) {
|
|
release_l1(nl1);
|
|
printk(KERN_ERR "layer1 down interface request failed %d\n", err);
|
|
return(NULL);
|
|
}
|
|
err = isdnl1.ctrl(st, MGR_ADDIF | REQUEST, &nl1->inst.up);
|
|
if (err) {
|
|
release_l1(nl1);
|
|
printk(KERN_ERR "layer1 up interface request failed %d\n", err);
|
|
return(NULL);
|
|
}
|
|
return(nl1);
|
|
}
|
|
|
|
static int
|
|
add_if(layer1_t *l1, hisaxif_t *hif) {
|
|
int err;
|
|
hisaxinstance_t *inst = &l1->inst;
|
|
|
|
printk(KERN_DEBUG "layer1 add_if lay %x/%x prot %x\n", hif->layermask,
|
|
hif->stat, hif->protocol);
|
|
hif->fdata = l1;
|
|
if (IF_TYPE(hif) == IF_UP) {
|
|
hif->func = l1from_up;
|
|
if (inst->up.stat == IF_NOACTIV) {
|
|
inst->up.stat = IF_DOWN;
|
|
inst->up.protocol = get_protocol(inst->st,
|
|
inst->up.layermask);
|
|
err = isdnl1.ctrl(inst->st, MGR_ADDIF | REQUEST, &inst->up);
|
|
if (err)
|
|
inst->up.stat = IF_NOACTIV;
|
|
}
|
|
} else if (IF_TYPE(hif) == IF_DOWN) {
|
|
hif->func = l1from_down;
|
|
if (inst->down.stat == IF_NOACTIV) {
|
|
inst->down.stat = IF_UP;
|
|
inst->down.protocol = get_protocol(inst->st,
|
|
inst->down.layermask);
|
|
err = isdnl1.ctrl(inst->st, MGR_ADDIF | REQUEST, &inst->down);
|
|
if (err)
|
|
inst->down.stat = IF_NOACTIV;
|
|
}
|
|
} else
|
|
return(-EINVAL);
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
del_if(layer1_t *l1, hisaxif_t *hif) {
|
|
int err;
|
|
hisaxinstance_t *inst = &l1->inst;
|
|
|
|
printk(KERN_DEBUG "layer1 del_if lay %x/%x %p/%p\n", hif->layermask,
|
|
hif->stat, hif->func, hif->fdata);
|
|
if ((hif->func == inst->up.func) && (hif->fdata == inst->up.fdata)) {
|
|
inst->up.stat = IF_NOACTIV;
|
|
inst->up.protocol = ISDN_PID_NONE;
|
|
err = isdnl1.ctrl(inst->st, MGR_ADDIF | REQUEST, &inst->up);
|
|
} else if ((hif->func == inst->down.func) && (hif->fdata == inst->down.fdata)) {
|
|
inst->down.stat = IF_NOACTIV;
|
|
inst->down.protocol = ISDN_PID_NONE;
|
|
err = isdnl1.ctrl(inst->st, MGR_ADDIF | REQUEST, &inst->down);
|
|
} else {
|
|
printk(KERN_DEBUG "layer1 del_if no if found\n");
|
|
return(-EINVAL);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static char MName[] = "ISDNL1";
|
|
|
|
static int L1Protocols[] = { ISDN_PID_L1_TE_S0,
|
|
#ifdef HISAX_UINTERFACE
|
|
ISDN_PID_L1_TE_U
|
|
#endif
|
|
};
|
|
#define PROTOCOLCNT (sizeof(L1Protocols)/sizeof(int))
|
|
|
|
#ifdef MODULE
|
|
MODULE_AUTHOR("Karsten Keil");
|
|
MODULE_PARM(debug, "1i");
|
|
#define Isdnl1Init init_module
|
|
#endif
|
|
|
|
static int
|
|
l1_manager(void *data, u_int prim, void *arg) {
|
|
hisaxstack_t *st = data;
|
|
layer1_t *l1l = l1list;
|
|
|
|
// printk(KERN_DEBUG "l1_manager data:%p prim:%x arg:%p\n", data, prim, arg);
|
|
if (!data)
|
|
return(-EINVAL);
|
|
while(l1l) {
|
|
if (l1l->inst.st == st)
|
|
break;
|
|
l1l = l1l->next;
|
|
}
|
|
switch(prim) {
|
|
case MGR_ADDIF | REQUEST:
|
|
if (!l1l)
|
|
l1l = create_l1(st, arg);
|
|
if (!l1l) {
|
|
printk(KERN_WARNING "l1_manager create_l1 failed\n");
|
|
return(-EINVAL);
|
|
}
|
|
return(add_if(l1l, arg));
|
|
break;
|
|
case MGR_DELIF | REQUEST:
|
|
if (!l1l) {
|
|
printk(KERN_WARNING "l1_manager delif no instance\n");
|
|
return(-EINVAL);
|
|
}
|
|
return(del_if(l1l, arg));
|
|
break;
|
|
case MGR_DELLAYER | REQUEST:
|
|
case MGR_RELEASE | INDICATION:
|
|
if (l1l) {
|
|
printk(KERN_DEBUG "release_l1 id %x\n", l1l->inst.st->id);
|
|
release_l1(l1l);
|
|
} else
|
|
printk(KERN_WARNING "l1_manager release no instance\n");
|
|
break;
|
|
default:
|
|
printk(KERN_WARNING "l1_manager prim %x not handled\n", prim);
|
|
return(-EINVAL);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
int Isdnl1Init(void)
|
|
{
|
|
int err;
|
|
|
|
isdnl1.name = MName;
|
|
isdnl1.protocols = L1Protocols;
|
|
isdnl1.protcnt = PROTOCOLCNT;
|
|
isdnl1.own_ctrl = l1_manager;
|
|
isdnl1.prev = NULL;
|
|
isdnl1.next = NULL;
|
|
isdnl1.layermask = ISDN_LAYER(1);
|
|
#ifdef HISAX_UINTERFACE
|
|
l1fsm_u.state_count = L1U_STATE_COUNT;
|
|
l1fsm_u.event_count = L1_EVENT_COUNT;
|
|
l1fsm_u.strEvent = strL1Event;
|
|
l1fsm_u.strState = strL1UState;
|
|
FsmNew(&l1fsm_u, L1UFnList, L1U_FN_COUNT);
|
|
#endif
|
|
l1fsm_s.state_count = L1S_STATE_COUNT;
|
|
l1fsm_s.event_count = L1_EVENT_COUNT;
|
|
l1fsm_s.strEvent = strL1Event;
|
|
l1fsm_s.strState = strL1SState;
|
|
FsmNew(&l1fsm_s, L1SFnList, L1S_FN_COUNT);
|
|
l1fsm_b.state_count = L1B_STATE_COUNT;
|
|
l1fsm_b.event_count = L1_EVENT_COUNT;
|
|
l1fsm_b.strEvent = strL1Event;
|
|
l1fsm_b.strState = strL1BState;
|
|
FsmNew(&l1fsm_b, L1BFnList, L1B_FN_COUNT);
|
|
if ((err = HiSax_register(&isdnl1))) {
|
|
printk(KERN_ERR "Can't register %s error(%d)\n", MName, err);
|
|
#ifdef HISAX_UINTERFACE
|
|
FsmFree(&l1fsm_u);
|
|
#endif
|
|
FsmFree(&l1fsm_s);
|
|
FsmFree(&l1fsm_b);
|
|
}
|
|
return(err);
|
|
}
|
|
|
|
#ifdef MODULE
|
|
void cleanup_module(void)
|
|
{
|
|
int err;
|
|
|
|
if ((err = HiSax_unregister(&isdnl1))) {
|
|
printk(KERN_ERR "Can't unregister ISDN layer 1 error(%d)\n", err);
|
|
}
|
|
if(l1list) {
|
|
printk(KERN_WARNING "hisaxl1 l1list not empty\n");
|
|
while(l1list)
|
|
release_l1(l1list);
|
|
}
|
|
#ifdef HISAX_UINTERFACE
|
|
FsmFree(&l1fsm_u);
|
|
#endif
|
|
FsmFree(&l1fsm_s);
|
|
FsmFree(&l1fsm_b);
|
|
}
|
|
#endif
|