static void
invoke_retransmission(struct PStack *st, unsigned int nr)
{
struct Layer2 *l2 = &st->l2;
u_int p1;
u_long flags;
spin_lock_irqsave(&l2->lock, flags);
if (l2->vs != nr) {
while (l2->vs != nr) {
(l2->vs)--;
if(test_bit(FLG_MOD128, &l2->flag)) {
l2->vs %= 128;
p1 = (l2->vs - l2->va) % 128;
} else {
l2->vs %= 8;
p1 = (l2->vs - l2->va) % 8;
}
p1 = (p1 + l2->sow) % l2->window;
if (test_bit(FLG_LAPB, &l2->flag))
st->l1.bcs->tx_cnt += l2->windowar[p1]->len + l2headersize(l2, 0);
skb_queue_head(&l2->i_queue, l2->windowar[p1]);
l2->windowar[p1] = NULL;
}
spin_unlock_irqrestore(&l2->lock, flags);
st->l2.l2l1(st, PH_PULL | REQUEST, NULL);
return;
}
spin_unlock_irqrestore(&l2->lock, flags);
}
static void
l2_got_ui(struct FsmInst *fi, int event, void *arg)
{
struct PStack *st = fi->userdata;
struct sk_buff *skb = arg;
skb_pull(skb, l2headersize(&st->l2, 1));
st->l2.l2l3(st, DL_UNIT_DATA | INDICATION, skb);
/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
* in states 1-3 for broadcast
*/
}
static void
l2_got_ui(struct FsmInst *fi, int event, void *arg)
{
layer2_t *l2 = fi->userdata;
msg_t *msg = arg;
msg_pull(msg, l2headersize(l2, 1));
/*
* in states 1-3 for broadcast
*/
msg_push(msg, mISDNUSER_HEAD_SIZE);
if (l2up(l2, DL_UNITDATA | INDICATION, CES(l2), msg))
free_msg(msg);
}
static void
l2_got_ui(struct FsmInst *fi, int event, void *arg)
{
struct layer2 *l2 = fi->userdata;
struct sk_buff *skb = arg;
skb_pull(skb, l2headersize(l2, 1));
/*
* in states 1-3 for broadcast
*/
if (l2->tm)
l2_tei(l2, MDL_STATUS_UI_IND, 0);
l2up(l2, DL_UNITDATA_IND, skb);
}
