Beispiel #1
0
static void
hfc_l2l1(struct PStack *st, int pr, void *arg)
{
	struct sk_buff *skb = arg;

	switch (pr) {
		case (PH_DATA | REQUEST):
			xmit_data_req_b(st->l1.bcs, skb);
			break;
		case (PH_PULL | INDICATION):
			xmit_pull_ind_b(st->l1.bcs, skb);
			break;
		case (PH_PULL | REQUEST):
			xmit_pull_req_b(st);
			break;
		case (PH_ACTIVATE | REQUEST):
			test_and_set_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
			mode_2bs0(st->l1.bcs, st->l1.mode, st->l1.bc);
			l1_msg_b(st, pr, arg);
			break;
		case (PH_DEACTIVATE | REQUEST):
			l1_msg_b(st, pr, arg);
			break;
		case (PH_DEACTIVATE | CONFIRM):
			test_and_clear_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
			test_and_clear_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
			mode_2bs0(st->l1.bcs, 0, st->l1.bc);
			L1L2(st, PH_DEACTIVATE | CONFIRM, NULL);
			break;
	}
}
Beispiel #2
0
static void
hfc_l2l1(struct PStack *st, int pr, void *arg)
{
	struct BCState *bcs = st->l1.bcs;
	struct sk_buff *skb = arg;
	u_long flags;

	switch (pr) {
	case (PH_DATA | REQUEST):
		spin_lock_irqsave(&bcs->cs->lock, flags);
		if (bcs->tx_skb) {
			skb_queue_tail(&bcs->squeue, skb);
		} else {
			bcs->tx_skb = skb;
//				test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
			bcs->cs->BC_Send_Data(bcs);
		}
		spin_unlock_irqrestore(&bcs->cs->lock, flags);
		break;
	case (PH_PULL | INDICATION):
		spin_lock_irqsave(&bcs->cs->lock, flags);
		if (bcs->tx_skb) {
			printk(KERN_WARNING "hfc_l2l1: this shouldn't happen\n");
		} else {
//				test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
			bcs->tx_skb = skb;
			bcs->cs->BC_Send_Data(bcs);
		}
		spin_unlock_irqrestore(&bcs->cs->lock, flags);
		break;
	case (PH_PULL | REQUEST):
		if (!bcs->tx_skb) {
			test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
			st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
		} else
			test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
		break;
	case (PH_ACTIVATE | REQUEST):
		spin_lock_irqsave(&bcs->cs->lock, flags);
		test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
		mode_2bs0(bcs, st->l1.mode, st->l1.bc);
		spin_unlock_irqrestore(&bcs->cs->lock, flags);
		l1_msg_b(st, pr, arg);
		break;
	case (PH_DEACTIVATE | REQUEST):
		l1_msg_b(st, pr, arg);
		break;
	case (PH_DEACTIVATE | CONFIRM):
		spin_lock_irqsave(&bcs->cs->lock, flags);
		test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
		test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
		mode_2bs0(bcs, 0, st->l1.bc);
		spin_unlock_irqrestore(&bcs->cs->lock, flags);
		st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
		break;
	}
}
static void
hfc_l2l1(struct PStack *st, int pr, void *arg)
{
	struct sk_buff *skb = arg;
	long flags;

	switch (pr) {
		case (PH_DATA | REQUEST):
			save_flags(flags);
			cli();
			if (st->l1.bcs->tx_skb) {
				skb_queue_tail(&st->l1.bcs->squeue, skb);
				restore_flags(flags);
			} else {
				st->l1.bcs->tx_skb = skb;
/*				test_and_set_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
*/				st->l1.bcs->cs->BC_Send_Data(st->l1.bcs);
				restore_flags(flags);
			}
			break;
		case (PH_PULL | INDICATION):
			if (st->l1.bcs->tx_skb) {
				printk(KERN_WARNING "hfc_l2l1: this shouldn't happen\n");
				break;
			}
			save_flags(flags);
			cli();
/*			test_and_set_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
*/			st->l1.bcs->tx_skb = skb;
			st->l1.bcs->cs->BC_Send_Data(st->l1.bcs);
			restore_flags(flags);
			break;
		case (PH_PULL | REQUEST):
			if (!st->l1.bcs->tx_skb) {
				test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
				st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
			} else
				test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
			break;
		case (PH_ACTIVATE | REQUEST):
			test_and_set_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
			mode_2bs0(st->l1.bcs, st->l1.mode, st->l1.bc);
			l1_msg_b(st, pr, arg);
			break;
		case (PH_DEACTIVATE | REQUEST):
			l1_msg_b(st, pr, arg);
			break;
		case (PH_DEACTIVATE | CONFIRM):
			test_and_clear_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
			test_and_clear_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
			mode_2bs0(st->l1.bcs, 0, st->l1.bc);
			st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
			break;
	}
}
Beispiel #4
0
void __init
init2bds0(struct IsdnCardState *cs)
{
	dc_l1_init(cs, &hfcd_dc_l1_ops);
	cs->bc_l1_ops = &hfcd_bc_l1_ops;
	if (!cs->hw.hfcD.send)
		cs->hw.hfcD.send = init_send_hfcd(16);
	if (!cs->bcs[0].hw.hfc.send)
		cs->bcs[0].hw.hfc.send = init_send_hfcd(32);
	if (!cs->bcs[1].hw.hfc.send)
		cs->bcs[1].hw.hfc.send = init_send_hfcd(32);
	mode_2bs0(cs->bcs, 0, 0);
	mode_2bs0(cs->bcs + 1, 0, 1);
}
Beispiel #5
0
static void
hfc_manl1(struct PStack *st, int pr,
	  void *arg)
{
	switch (pr) {
		case (PH_ACTIVATE_REQ):
			test_and_set_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
			mode_2bs0(st->l1.bcs, st->l1.mode, st->l1.bc);
			st->l1.l1man(st, PH_ACTIVATE_CNF, NULL);
			break;
		case (PH_DEACTIVATE_REQ):
			if (!test_bit(BC_FLG_BUSY, &st->l1.bcs->Flag))
				mode_2bs0(st->l1.bcs, 0, 0);
			test_and_clear_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
			break;
	}
}
Beispiel #6
0
void
init2bds0(struct IsdnCardState *cs)
{
	cs->setstack_d = setstack_hfcd;
	if (!cs->hw.hfcD.send)
		cs->hw.hfcD.send = init_send_hfcd(16);
	if (!cs->bcs[0].hw.hfc.send)
		cs->bcs[0].hw.hfc.send = init_send_hfcd(32);
	if (!cs->bcs[1].hw.hfc.send)
		cs->bcs[1].hw.hfc.send = init_send_hfcd(32);
	cs->BC_Send_Data = &hfc_send_data;
	cs->bcs[0].BC_SetStack = setstack_2b;
	cs->bcs[1].BC_SetStack = setstack_2b;
	cs->bcs[0].BC_Close = close_2bs0;
	cs->bcs[1].BC_Close = close_2bs0;
	mode_2bs0(cs->bcs, 0, 0);
	mode_2bs0(cs->bcs + 1, 0, 1);
}
void __init
init2bds0(struct IsdnCardState *cs)
{
	cs->setstack_d = setstack_hfcd;
	cs->dbusytimer.function = (void *) hfc_dbusy_timer;
	cs->dbusytimer.data = (long) cs;
	init_timer(&cs->dbusytimer);
	cs->tqueue.routine = (void *) (void *) hfcd_bh;
	if (!cs->hw.hfcD.send)
		cs->hw.hfcD.send = init_send_hfcd(16);
	if (!cs->bcs[0].hw.hfc.send)
		cs->bcs[0].hw.hfc.send = init_send_hfcd(32);
	if (!cs->bcs[1].hw.hfc.send)
		cs->bcs[1].hw.hfc.send = init_send_hfcd(32);
	cs->BC_Send_Data = &hfc_send_data;
	cs->bcs[0].BC_SetStack = setstack_2b;
	cs->bcs[1].BC_SetStack = setstack_2b;
	cs->bcs[0].BC_Close = close_2bs0;
	cs->bcs[1].BC_Close = close_2bs0;
	mode_2bs0(cs->bcs, 0, 0);
	mode_2bs0(cs->bcs + 1, 0, 1);
}
Beispiel #8
0
static void
close_2bs0(struct BCState *bcs)
{
	mode_2bs0(bcs, 0, bcs->channel);
	if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
		skb_queue_purge(&bcs->rqueue);
		skb_queue_purge(&bcs->squeue);
		if (bcs->tx_skb) {
			dev_kfree_skb_any(bcs->tx_skb);
			bcs->tx_skb = NULL;
			test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
		}
	}
}
Beispiel #9
0
void
close_2bs0(struct BCState *bcs)
{
	mode_2bs0(bcs, 0, bcs->channel);
	if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
		discard_queue(&bcs->rqueue);
		discard_queue(&bcs->squeue);
		if (bcs->tx_skb) {
			dev_kfree_skb(bcs->tx_skb, FREE_WRITE);
			bcs->tx_skb = NULL;
			test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
		}
	}
}
Beispiel #10
0
void
close_2bs0(struct BCState *bcs)
{
	struct sk_buff *skb;

	mode_2bs0(bcs, 0, 0);
	if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
		while ((skb = skb_dequeue(&bcs->rqueue))) {
			dev_kfree_skb(skb);
		}
		while ((skb = skb_dequeue(&bcs->squeue))) {
			dev_kfree_skb(skb);
		}
		if (bcs->hw.hfc.tx_skb) {
			dev_kfree_skb(bcs->hw.hfc.tx_skb);
			bcs->hw.hfc.tx_skb = NULL;
			test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
		}
	}
}