Пример #1
0
/*
 * Exporting to user space over generic netlink
 *
 * Parse the state get command from user space, return a combination
 * value that describe the current state.
 *
 * No attributes.
 */
static
int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info)
{
	int result, ifindex;
	struct wimax_dev *wimax_dev;
	struct device *dev;

	d_fnstart(3, NULL, "(skb %p info %p)\n", skb, info);
	result = -ENODEV;
	if (info->attrs[WIMAX_GNL_STGET_IFIDX] == NULL) {
		printk(KERN_ERR "WIMAX_GNL_OP_STATE_GET: can't find IFIDX "
			"attribute\n");
		goto error_no_wimax_dev;
	}
	ifindex = nla_get_u32(info->attrs[WIMAX_GNL_STGET_IFIDX]);
	wimax_dev = wimax_dev_get_by_genl_info(info, ifindex);
	if (wimax_dev == NULL)
		goto error_no_wimax_dev;
	dev = wimax_dev_to_dev(wimax_dev);
	/* Execute the operation and send the result back to user space */
	result = wimax_state_get(wimax_dev);
	dev_put(wimax_dev->net_dev);
error_no_wimax_dev:
	d_fnend(3, NULL, "(skb %p info %p) = %d\n", skb, info, result);
	return result;
}
Пример #2
0
void i2400m_report_tlv_rf_switches_status(
	struct i2400m *i2400m,
	const struct i2400m_tlv_rf_switches_status *rfss)
{
	struct device *dev = i2400m_dev(i2400m);
	enum i2400m_rf_switch_status hw, sw;
	enum wimax_st wimax_state;

	sw = le32_to_cpu(rfss->sw_rf_switch);
	hw = le32_to_cpu(rfss->hw_rf_switch);

	d_fnstart(3, dev, "(i2400m %p rfss %p [hw %u sw %u])\n",
		  i2400m, rfss, hw, sw);
	
	wimax_state = wimax_state_get(&i2400m->wimax_dev);
	if (wimax_state < WIMAX_ST_RADIO_OFF) {
		d_printf(3, dev, "ignoring RF switches report, state %u\n",
			 wimax_state);
		goto out;
	}
	switch (sw) {
	case I2400M_RF_SWITCH_ON:	
		wimax_report_rfkill_sw(&i2400m->wimax_dev, WIMAX_RF_ON);
		break;
	case I2400M_RF_SWITCH_OFF:	
		wimax_report_rfkill_sw(&i2400m->wimax_dev, WIMAX_RF_OFF);
		break;
	default:
		dev_err(dev, "HW BUG? Unknown RF SW state 0x%x\n", sw);
	}

	switch (hw) {
	case I2400M_RF_SWITCH_ON:	
		wimax_report_rfkill_hw(&i2400m->wimax_dev, WIMAX_RF_ON);
		break;
	case I2400M_RF_SWITCH_OFF:	
		wimax_report_rfkill_hw(&i2400m->wimax_dev, WIMAX_RF_OFF);
		break;
	default:
		dev_err(dev, "HW BUG? Unknown RF HW state 0x%x\n", hw);
	}
out:
	d_fnend(3, dev, "(i2400m %p rfss %p [hw %u sw %u]) = void\n",
		i2400m, rfss, hw, sw);
}