static void set_channel(struct net_device *netdev, u8 channel)
{
struct zd_mac *mac = zd_netdev_mac(netdev);
dev_dbg_f(zd_mac_dev(mac), "channel %d\n", channel);
zd_chip_set_channel(&mac->chip, channel);
}
int zd_mac_open(struct net_device *netdev)
{
struct zd_mac *mac = zd_netdev_mac(netdev);
struct zd_chip *chip = &mac->chip;
int r;
tasklet_enable(&mac->rx_tasklet);
r = zd_chip_enable_int(chip);
if (r < 0)
goto out;
r = zd_chip_set_basic_rates(chip, CR_RATES_80211B | CR_RATES_80211G);
if (r < 0)
goto disable_int;
r = reset_mode(mac);
if (r)
goto disable_int;
r = zd_chip_switch_radio_on(chip);
if (r < 0)
goto disable_int;
r = zd_chip_set_channel(chip, mac->requested_channel);
if (r < 0)
goto disable_radio;
r = zd_chip_enable_rx(chip);
if (r < 0)
goto disable_radio;
r = zd_chip_enable_hwint(chip);
if (r < 0)
goto disable_rx;
housekeeping_enable(mac);
ieee80211softmac_start(netdev);
return 0;
disable_rx:
zd_chip_disable_rx(chip);
disable_radio:
zd_chip_switch_radio_off(chip);
disable_int:
zd_chip_disable_int(chip);
out:
return r;
}
int zd_mac_request_channel(struct zd_mac *mac, u8 channel)
{
unsigned long lock_flags;
struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
if (ieee->iw_mode == IW_MODE_INFRA)
return -EPERM;
spin_lock_irqsave(&mac->lock, lock_flags);
if (!zd_regdomain_supports_channel(mac->regdomain, channel)) {
spin_unlock_irqrestore(&mac->lock, lock_flags);
return -EINVAL;
}
mac->requested_channel = channel;
spin_unlock_irqrestore(&mac->lock, lock_flags);
if (netif_running(mac->netdev))
return zd_chip_set_channel(&mac->chip, channel);
else
return 0;
}
static int zd_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
{
struct zd_mac *mac = zd_hw_mac(hw);
return zd_chip_set_channel(&mac->chip, conf->channel);
}
