void zd_process_intr(struct work_struct *work)
{
u16 int_status;
struct zd_mac *mac = container_of(work, struct zd_mac, process_intr);
int_status = le16_to_cpu(*(__le16 *)(mac->intr_buffer+4));
if (int_status & INT_CFG_NEXT_BCN) {
if (net_ratelimit())
dev_dbg_f(zd_mac_dev(mac), "INT_CFG_NEXT_BCN\n");
} else
dev_dbg_f(zd_mac_dev(mac), "Unsupported interrupt\n");
zd_chip_enable_hwint(&mac->chip);
}
static int zd_op_start(struct ieee80211_hw *hw)
{
struct zd_mac *mac = zd_hw_mac(hw);
struct zd_chip *chip = &mac->chip;
struct zd_usb *usb = &chip->usb;
int r;
if (!usb->initialized) {
r = zd_usb_init_hw(usb);
if (r)
goto out;
}
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 = set_rx_filter(mac);
if (r)
goto disable_int;
r = set_mc_hash(mac);
if (r)
goto disable_int;
r = zd_chip_switch_radio_on(chip);
if (r < 0)
goto disable_int;
r = zd_chip_enable_rxtx(chip);
if (r < 0)
goto disable_radio;
r = zd_chip_enable_hwint(chip);
if (r < 0)
goto disable_rxtx;
housekeeping_enable(mac);
return 0;
disable_rxtx:
zd_chip_disable_rxtx(chip);
disable_radio:
zd_chip_switch_radio_off(chip);
disable_int:
zd_chip_disable_int(chip);
out:
return r;
}
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;
}
