diff options
Diffstat (limited to 'drivers/net/wireless/zd1211rw/zd_mac.c')
| -rw-r--r-- | drivers/net/wireless/zd1211rw/zd_mac.c | 58 |
1 files changed, 53 insertions, 5 deletions
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index a9bd80a0861..2d12837052b 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -33,6 +33,10 @@ static void ieee_init(struct ieee80211_device *ieee); static void softmac_init(struct ieee80211softmac_device *sm); +static void housekeeping_init(struct zd_mac *mac); +static void housekeeping_enable(struct zd_mac *mac); +static void housekeeping_disable(struct zd_mac *mac); + int zd_mac_init(struct zd_mac *mac, struct net_device *netdev, struct usb_interface *intf) @@ -46,6 +50,7 @@ int zd_mac_init(struct zd_mac *mac, ieee_init(ieee); softmac_init(ieee80211_priv(netdev)); zd_chip_init(&mac->chip, netdev, intf); + housekeeping_init(mac); return 0; } @@ -127,11 +132,9 @@ out: void zd_mac_clear(struct zd_mac *mac) { - /* Aquire the lock. */ - spin_lock(&mac->lock); - spin_unlock(&mac->lock); zd_chip_clear(&mac->chip); - memset(mac, 0, sizeof(*mac)); + ZD_ASSERT(!spin_is_locked(&mac->lock)); + ZD_MEMCLEAR(mac, sizeof(struct zd_mac)); } static int reset_mode(struct zd_mac *mac) @@ -180,6 +183,7 @@ int zd_mac_open(struct net_device *netdev) if (r < 0) goto disable_rx; + housekeeping_enable(mac); ieee80211softmac_start(netdev); return 0; disable_rx: @@ -206,6 +210,7 @@ int zd_mac_stop(struct net_device *netdev) */ zd_chip_disable_rx(chip); + housekeeping_disable(mac); ieee80211softmac_stop(netdev); zd_chip_disable_hwint(chip); @@ -716,7 +721,7 @@ struct zd_rt_hdr { u8 rt_rate; u16 rt_channel; u16 rt_chbitmask; -} __attribute__((packed)); +}; static void fill_rt_header(void *buffer, struct zd_mac *mac, const struct ieee80211_rx_stats *stats, @@ -1082,3 +1087,46 @@ void zd_dump_rx_status(const struct rx_status *status) } } #endif /* DEBUG */ + +#define LINK_LED_WORK_DELAY HZ + +static void link_led_handler(void *p) +{ + struct zd_mac *mac = p; + struct zd_chip *chip = &mac->chip; + struct ieee80211softmac_device *sm = ieee80211_priv(mac->netdev); + int is_associated; + int r; + + spin_lock_irq(&mac->lock); + is_associated = sm->associated != 0; + spin_unlock_irq(&mac->lock); + + r = zd_chip_control_leds(chip, + is_associated ? LED_ASSOCIATED : LED_SCANNING); + if (r) + dev_err(zd_mac_dev(mac), "zd_chip_control_leds error %d\n", r); + + queue_delayed_work(zd_workqueue, &mac->housekeeping.link_led_work, + LINK_LED_WORK_DELAY); +} + +static void housekeeping_init(struct zd_mac *mac) +{ + INIT_WORK(&mac->housekeeping.link_led_work, link_led_handler, mac); +} + +static void housekeeping_enable(struct zd_mac *mac) +{ + dev_dbg_f(zd_mac_dev(mac), "\n"); + queue_delayed_work(zd_workqueue, &mac->housekeeping.link_led_work, + 0); +} + +static void housekeeping_disable(struct zd_mac *mac) +{ + dev_dbg_f(zd_mac_dev(mac), "\n"); + cancel_rearming_delayed_workqueue(zd_workqueue, + &mac->housekeeping.link_led_work); + zd_chip_control_leds(&mac->chip, LED_OFF); +} |