Example #1
0
int zd_mac_init_hw(struct zd_mac *mac, u8 device_type)
{
	int r;
	struct zd_chip *chip = &mac->chip;
	u8 addr[ETH_ALEN];
	u8 default_regdomain;

	r = zd_chip_enable_int(chip);
	if (r)
		goto out;
	r = zd_chip_init_hw(chip, device_type);
	if (r)
		goto disable_int;

	zd_get_e2p_mac_addr(chip, addr);
	r = zd_write_mac_addr(chip, addr);
	if (r)
		goto disable_int;
	ZD_ASSERT(!irqs_disabled());
	spin_lock_irq(&mac->lock);
	memcpy(mac->netdev->dev_addr, addr, ETH_ALEN);
	spin_unlock_irq(&mac->lock);

	r = zd_read_regdomain(chip, &default_regdomain);
	if (r)
		goto disable_int;
	if (!zd_regdomain_supported(default_regdomain)) {
		dev_dbg_f(zd_mac_dev(mac),
			  "Regulatory Domain %#04x is not supported.\n",
		          default_regdomain);
		r = -EINVAL;
		goto disable_int;
	}
	spin_lock_irq(&mac->lock);
	mac->regdomain = mac->default_regdomain = default_regdomain;
	spin_unlock_irq(&mac->lock);
	r = reset_channel(mac);
	if (r)
		goto disable_int;

	/* We must inform the device that we are doing encryption/decryption in
	 * software at the moment. */
	r = zd_set_encryption_type(chip, ENC_SNIFFER);
	if (r)
		goto disable_int;

	r = zd_geo_init(zd_mac_to_ieee80211(mac), mac->regdomain);
	if (r)
		goto disable_int;

	r = 0;
disable_int:
	zd_chip_disable_int(chip);
out:
	return r;
}
Example #2
0
int zd_mac_init_hw(struct ieee80211_hw *hw)
{
	int r;
	struct zd_mac *mac = zd_hw_mac(hw);
	struct zd_chip *chip = &mac->chip;
	u8 default_regdomain;

	r = zd_chip_enable_int(chip);
	if (r)
		goto out;
	r = zd_chip_init_hw(chip);
	if (r)
		goto disable_int;

	ZD_ASSERT(!irqs_disabled());

	r = zd_read_regdomain(chip, &default_regdomain);
	if (r)
		goto disable_int;
	spin_lock_irq(&mac->lock);
	mac->regdomain = mac->default_regdomain = default_regdomain;
	spin_unlock_irq(&mac->lock);

	/* We must inform the device that we are doing encryption/decryption in
	 * software at the moment. */
	r = zd_set_encryption_type(chip, ENC_SNIFFER);
	if (r)
		goto disable_int;

	zd_geo_init(hw, mac->regdomain);

	r = 0;
disable_int:
	zd_chip_disable_int(chip);
out:
	return r;
}