Exemple #1
0
static int hdlc_close(struct net_device *dev)
{
	hdlc_device *hdlc = dev_to_hdlc(dev);

	hdlc->close(hdlc);

	if (mode_is(hdlc, MODE_FR | MODE_SOFT) ||
	    mode_is(hdlc, MODE_CISCO | MODE_SOFT))
		fr_cisco_close(hdlc);
#ifdef CONFIG_HDLC_PPP
	else if (mode_is(hdlc, MODE_PPP | MODE_SOFT)) {
		sppp_close(dev);
		sppp_detach(dev);
		dev->rebuild_header = NULL;
		dev->change_mtu = hdlc_change_mtu;
		dev->mtu = HDLC_MAX_MTU;
		dev->hard_header_len = 16;
	}
#endif
#ifdef CONFIG_HDLC_X25
	else if (mode_is(hdlc, MODE_X25))
		lapb_unregister(hdlc);
#endif
	return 0;
}
Exemple #2
0
static int hdlc_open(struct device *dev)
{
	hdlc_device *hdlc=dev_to_hdlc(dev);
	int result;

	if (hdlc->mode==MODE_NONE)
		return -ENOSYS;

	memset(&(hdlc->stats), 0, sizeof(struct net_device_stats));

	if (mode_is(hdlc, MODE_FR | MODE_SOFT) ||
	    mode_is(hdlc, MODE_CISCO | MODE_SOFT))
		fr_cisco_open(hdlc);

	else if (mode_is(hdlc, MODE_PPP | MODE_SOFT)) {
		sppp_attach(&hdlc->pppdev);
		/* sppp_attach nukes them. We don't need syncppp's ioctl */
		/* Anyway, I'm going to replace it with ppp_synctty.c */
		dev->do_ioctl = hdlc_ioctl;
		hdlc->pppdev.sppp.pp_flags&=~PP_CISCO;
		dev->type=ARPHRD_PPP;
		result = sppp_open(dev);
		if (result) {
			sppp_detach(dev);
			return result;
		}
	}

	result=hdlc->open(hdlc);
	if (result) {
		if (mode_is(hdlc, MODE_FR | MODE_SOFT) ||
		    mode_is(hdlc, MODE_CISCO | MODE_SOFT))
			fr_cisco_close(hdlc);

		else if (mode_is(hdlc, MODE_PPP | MODE_SOFT)) {
			sppp_close(dev);
			sppp_detach(dev);
			dev->rebuild_header=NULL;
			dev->change_mtu=hdlc_change_mtu;
			dev->mtu=HDLC_MAX_MTU;
			dev->hard_header_len=16;
		}

	}

	return result;
}
Exemple #3
0
static int hdlc_close(struct device *dev)
{
	hdlc_device *hdlc=dev_to_hdlc(dev);

	hdlc->close(hdlc);

	if (mode_is(hdlc, MODE_FR | MODE_SOFT) ||
	    mode_is(hdlc, MODE_CISCO | MODE_SOFT))
		fr_cisco_close(hdlc);

	else if (mode_is(hdlc, MODE_PPP | MODE_SOFT)) {
		sppp_close(dev);
		sppp_detach(dev);
		dev->rebuild_header=NULL;
		dev->change_mtu=hdlc_change_mtu;
		dev->mtu=HDLC_MAX_MTU;
		dev->hard_header_len=16;
	}

	return 0;
}
Exemple #4
0
static int hdlc_open(struct net_device *dev)
{
	hdlc_device *hdlc = dev_to_hdlc(dev);
	int result;

	if (hdlc->mode == MODE_NONE)
		return -ENOSYS;

	memset(&(hdlc->stats), 0, sizeof(struct net_device_stats));

	if (mode_is(hdlc, MODE_FR | MODE_SOFT) ||
	    mode_is(hdlc, MODE_CISCO | MODE_SOFT))
		fr_cisco_open(hdlc);
#ifdef CONFIG_HDLC_PPP
	else if (mode_is(hdlc, MODE_PPP | MODE_SOFT)) {
		sppp_attach(&hdlc->pppdev);
		/* sppp_attach nukes them. We don't need syncppp's ioctl */
		dev->do_ioctl = hdlc_ioctl;
		hdlc->pppdev.sppp.pp_flags &= ~PP_CISCO;
		dev->type = ARPHRD_PPP;
		result = sppp_open(dev);
		if (result) {
			sppp_detach(dev);
			return result;
		}
	}
#endif
#ifdef CONFIG_HDLC_X25
	else if (mode_is(hdlc, MODE_X25)) {
		struct lapb_register_struct cb;

		cb.connect_confirmation = x25_connected;
		cb.connect_indication = x25_connected;
		cb.disconnect_confirmation = x25_disconnected;
		cb.disconnect_indication = x25_disconnected;
		cb.data_indication = x25_data_indication;
		cb.data_transmit = x25_data_transmit;

		result = lapb_register(hdlc, &cb);
		if (result != LAPB_OK)
			return result;
	}
#endif
	result = hdlc->open(hdlc);
	if (result) {
		if (mode_is(hdlc, MODE_FR | MODE_SOFT) ||
		    mode_is(hdlc, MODE_CISCO | MODE_SOFT))
			fr_cisco_close(hdlc);
#ifdef CONFIG_HDLC_PPP
		else if (mode_is(hdlc, MODE_PPP | MODE_SOFT)) {
			sppp_close(dev);
			sppp_detach(dev);
			dev->rebuild_header = NULL;
			dev->change_mtu = hdlc_change_mtu;
			dev->mtu = HDLC_MAX_MTU;
			dev->hard_header_len = 16;
		}
#endif
#ifdef CONFIG_HDLC_X25
		else if (mode_is(hdlc, MODE_X25))
			lapb_unregister(hdlc);
#endif
	}

	return result;
}