static void
l2_connected(struct FsmInst *fi, int event, void *arg)
{
layer2_t *l2 = fi->userdata;
msg_t *msg = arg;
int pr=-1;
if (!get_PollFlag(l2, msg)) {
l2_mdl_error_ua(fi, event, arg);
return;
}
free_msg(msg);
if (test_and_clear_bit(FLG_PEND_REL, &l2->flag))
l2_disconnect(fi, event, NULL);
if (test_and_clear_bit(FLG_L3_INIT, &l2->flag)) {
pr = DL_ESTABLISH | CONFIRM;
} else if (l2->vs != l2->va) {
msg_queue_purge(&l2->i_queue);
pr = DL_ESTABLISH | INDICATION;
}
stop_t200(l2, 5);
l2->vr = 0;
l2->vs = 0;
l2->va = 0;
l2->sow = 0;
FsmChangeState(fi, ST_L2_7);
FsmAddTimer(&l2->t203, l2->T203, EV_L2_T203, NULL, 4);
if (pr != -1)
l2up_create(l2, pr, CES(l2), 0, NULL);
if (msg_queue_len(&l2->i_queue) && cansend(l2))
FsmEvent(fi, EV_L2_ACK_PULL, NULL);
}
static void
lc_start_delay(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
FsmChangeState(fi, ST_L3_LC_REL_DELAY);
FsmAddTimer(&st->l3.l3m_timer, DREL_TIMER_VALUE, EV_TIMEOUT, NULL, 50);
}
static void
lc_start_delay_check(struct FsmInst *fi, int event, void *arg)
/* 20/09/00 - GE timer not user for NI-1 as layer 2 should stay up */
{
struct PStack *st = fi->userdata;
FsmChangeState(fi, ST_L3_LC_REL_DELAY);
/* 19/09/00 - GE timer not user for NI-1 */
if (st->protocol != ISDN_PTYPE_NI1)
FsmAddTimer(&st->l3.l3m_timer, DREL_TIMER_VALUE, EV_TIMEOUT, NULL, 50);
}
static void
tei_id_verify(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
if (st->ma.debug)
st->ma.tei_m.printdebug(&st->ma.tei_m,
"id verify request for tei %d", st->l2.tei);
put_tei_msg(st, ID_VERIFY, 0, st->l2.tei);
FsmChangeState(&st->ma.tei_m, ST_TEI_IDVERIFY);
FsmAddTimer(&st->ma.t202, st->ma.T202, EV_T202, NULL, 2);
st->ma.N202 = 2;
}
static void
lc_release_req(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
if (test_bit(FLG_L2BLOCK, &st->l2.flag)) {
if (st->l3.debug)
l3_debug(st, "lc_release_req: l2 blocked");
/* restart release timer */
FsmAddTimer(&st->l3.l3m_timer, DREL_TIMER_VALUE, EV_TIMEOUT, NULL, 51);
} else {
FsmChangeState(fi, ST_L3_LC_REL_WAIT);
st->l3.l3l2(st, DL_RELEASE | REQUEST, NULL);
}
}
static void
l2_start_multi(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
struct sk_buff *skb = arg;
send_uframe(st, UA | get_PollFlagFree(st, skb), RSP);
clear_exception(&st->l2);
st->l2.vs = 0;
st->l2.va = 0;
st->l2.vr = 0;
st->l2.sow = 0;
FsmChangeState(fi, ST_L2_7);
FsmAddTimer(&st->l2.t203, st->l2.T203, EV_L2_T203, NULL, 3);
st->l2.l2l3(st, DL_ESTABLISH | INDICATION, NULL);
}
static void
tei_id_request(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
if (st->l2.tei != -1) {
st->ma.tei_m.printdebug(&st->ma.tei_m,
"assign request for already assigned tei %d",
st->l2.tei);
return;
}
st->ma.ri = random_ri();
if (st->ma.debug)
st->ma.tei_m.printdebug(&st->ma.tei_m,
"assign request ri %d", st->ma.ri);
put_tei_msg(st, ID_REQUEST, st->ma.ri, 127);
FsmChangeState(&st->ma.tei_m, ST_TEI_IDREQ);
FsmAddTimer(&st->ma.t202, st->ma.T202, EV_T202, NULL, 1);
st->ma.N202 = 3;
}
static void
l2_start_multi(struct FsmInst *fi, int event, void *arg)
{
layer2_t *l2 = fi->userdata;
msg_t *msg = arg;
send_uframe(l2, NULL, UA | get_PollFlag(l2, msg), RSP);
clear_exception(l2);
l2->vs = 0;
l2->va = 0;
l2->vr = 0;
l2->sow = 0;
FsmChangeState(fi, ST_L2_7);
FsmAddTimer(&l2->t203, l2->T203, EV_L2_T203, NULL, 3);
msg_trim(msg, 0);
msg_push(msg, mISDNUSER_HEAD_SIZE);
if (l2up(l2, DL_ESTABLISH | INDICATION, CES(l2), msg))
free_msg(msg);
}
static void
tei_id_ver_tout(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
struct IsdnCardState *cs;
if (--st->ma.N202) {
if (st->ma.debug)
st->ma.tei_m.printdebug(&st->ma.tei_m,
"id verify req(%d) for tei %d",
3 - st->ma.N202, st->l2.tei);
put_tei_msg(st, ID_VERIFY, 0, st->l2.tei);
FsmAddTimer(&st->ma.t202, st->ma.T202, EV_T202, NULL, 4);
} else {
st->ma.tei_m.printdebug(&st->ma.tei_m,
"verify req for tei %d failed", st->l2.tei);
L3L2(st, MDL_REMOVE | REQUEST, 0);
cs = (struct IsdnCardState *) st->l1.hardware;
mdl_remove(cs);
FsmChangeState(fi, ST_TEI_NOP);
}
}
static void
tei_id_req_tout(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
struct IsdnCardState *cs;
if (--st->ma.N202) {
st->ma.ri = random_ri();
if (st->ma.debug)
st->ma.tei_m.printdebug(&st->ma.tei_m,
"assign req(%d) ri %d", 4 - st->ma.N202,
st->ma.ri);
put_tei_msg(st, ID_REQUEST, st->ma.ri, 127);
FsmAddTimer(&st->ma.t202, st->ma.T202, EV_T202, NULL, 3);
} else {
st->ma.tei_m.printdebug(&st->ma.tei_m, "assign req failed");
L3L2(st, MDL_ERROR | RESPONSE, 0);
cs = (struct IsdnCardState *) st->l1.hardware;
mdl_remove(cs);
FsmChangeState(fi, ST_TEI_NOP);
}
}
static void
l2_connected(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
struct sk_buff *skb = arg;
int pr=-1;
if (!get_PollFlag(st, skb)) {
l2_mdl_error_ua(fi, event, arg);
return;
}
dev_kfree_skb(skb);
if (test_and_clear_bit(FLG_PEND_REL, &st->l2.flag))
l2_disconnect(fi, event, arg);
if (test_and_clear_bit(FLG_L3_INIT, &st->l2.flag)) {
pr = DL_ESTABLISH | CONFIRM;
} else if (st->l2.vs != st->l2.va) {
skb_queue_purge(&st->l2.i_queue);
pr = DL_ESTABLISH | INDICATION;
}
stop_t200(st, 5);
st->l2.vr = 0;
st->l2.vs = 0;
st->l2.va = 0;
st->l2.sow = 0;
FsmChangeState(fi, ST_L2_7);
FsmAddTimer(&st->l2.t203, st->l2.T203, EV_L2_T203, NULL, 4);
if (pr != -1)
st->l2.l2l3(st, pr, NULL);
if (!skb_queue_empty(&st->l2.i_queue) && cansend(st))
st->l2.l2l1(st, PH_PULL | REQUEST, NULL);
}
static inline void
start_t200(struct PStack *st, int i)
{
FsmAddTimer(&st->l2.t200, st->l2.T200, EV_L2_T200, NULL, i);
test_and_set_bit(FLG_T200_RUN, &st->l2.flag);
}
inline void
start_t200(layer2_t *l2, int i)
{
FsmAddTimer(&l2->t200, l2->T200, EV_L2_T200, NULL, i);
test_and_set_bit(FLG_T200_RUN, &l2->flag);
}