static void
setva(struct PStack *st, unsigned int nr)
{
struct Layer2 *l2 = &st->l2;
int len;
u_long flags;
spin_lock_irqsave(&l2->lock, flags);
while (l2->va != nr) {
(l2->va)++;
if(test_bit(FLG_MOD128, &l2->flag))
l2->va %= 128;
else
l2->va %= 8;
len = l2->windowar[l2->sow]->len;
if (PACKET_NOACK == l2->windowar[l2->sow]->pkt_type)
len = -1;
dev_kfree_skb(l2->windowar[l2->sow]);
l2->windowar[l2->sow] = NULL;
l2->sow = (l2->sow + 1) % l2->window;
spin_unlock_irqrestore(&l2->lock, flags);
if (test_bit(FLG_LLI_L2WAKEUP, &st->lli.flag) && (len >=0))
lli_writewakeup(st, len);
spin_lock_irqsave(&l2->lock, flags);
}
spin_unlock_irqrestore(&l2->lock, flags);
}
static void
BChannel_proc_ack(struct BCState *bcs)
{
u_long flags;
int ack;
spin_lock_irqsave(&bcs->aclock, flags);
ack = bcs->ackcnt;
bcs->ackcnt = 0;
spin_unlock_irqrestore(&bcs->aclock, flags);
if (ack)
lli_writewakeup(bcs->st, ack);
}