static int iwl3945_param_antenna; /* def: 0 = both antennas (use diversity) */
int iwl3945_param_hwcrypto; /* def: 0 = use software encryption */
static int iwl3945_param_qos_enable = 1; /* def: 1 = use quality of service */
-int iwl3945_param_queues_num = IWL_MAX_NUM_QUEUES; /* def: 8 Tx queues */
+int iwl3945_param_queues_num = IWL39_MAX_NUM_QUEUES; /* def: 8 Tx queues */
/*
* module name, copyright, version, etc.
{
int cmd_idx;
int ret;
- static atomic_t entry = ATOMIC_INIT(0); /* reentrance protection */
BUG_ON(cmd->meta.flags & CMD_ASYNC);
/* A synchronous command can not have a callback set. */
BUG_ON(cmd->meta.u.callback != NULL);
- if (atomic_xchg(&entry, 1)) {
+ if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) {
IWL_ERROR("Error sending %s: Already sending a host command\n",
get_cmd_string(cmd->id));
- return -EBUSY;
+ ret = -EBUSY;
+ goto out;
}
set_bit(STATUS_HCMD_ACTIVE, &priv->status);
cmd->meta.u.skb = NULL;
}
out:
- atomic_set(&entry, 0);
+ clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status);
return ret;
}
iwl3945_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK);
}
+
+/* call this function to flush any scheduled tasklet */
+static inline void iwl_synchronize_irq(struct iwl3945_priv *priv)
+{
+ /* wait to make sure we flush pedding tasklet*/
+ synchronize_irq(priv->pci_dev->irq);
+ tasklet_kill(&priv->irq_tasklet);
+}
+
+
static inline void iwl3945_disable_interrupts(struct iwl3945_priv *priv)
{
clear_bit(STATUS_INT_ENABLED, &priv->status);
}
/* Re-enable all interrupts */
- iwl3945_enable_interrupts(priv);
+ /* only Re-enable if disabled by irq */
+ if (test_bit(STATUS_INT_ENABLED, &priv->status))
+ iwl3945_enable_interrupts(priv);
#ifdef CONFIG_IWL3945_DEBUG
if (iwl3945_debug_level & (IWL_DL_ISR)) {
none:
/* re-enable interrupts here since we don't have anything to service. */
- iwl3945_enable_interrupts(priv);
+ /* only Re-enable if disabled by irq */
+ if (test_bit(STATUS_INT_ENABLED, &priv->status))
+ iwl3945_enable_interrupts(priv);
spin_unlock(&priv->lock);
return IRQ_NONE;
}
passive_dwell = iwl3945_get_passive_dwell_time(priv, band);
for (i = 0, added = 0; i < sband->n_channels; i++) {
- if (channels[i].hw_value ==
- le16_to_cpu(priv->active_rxon.channel)) {
- if (iwl3945_is_associated(priv)) {
- IWL_DEBUG_SCAN
- ("Skipping current channel %d\n",
- le16_to_cpu(priv->active_rxon.channel));
- continue;
- }
- } else if (priv->only_active_channel)
+ if (channels[i].flags & IEEE80211_CHAN_DISABLED)
continue;
scan_ch->channel = channels[i].hw_value;
/* At this point, the NIC is initialized and operational */
priv->notif_missed_beacons = 0;
- set_bit(STATUS_READY, &priv->status);
iwl3945_reg_txpower_periodic(priv);
+ iwl3945_led_register(priv);
+
IWL_DEBUG_INFO("ALIVE processing complete.\n");
+ set_bit(STATUS_READY, &priv->status);
wake_up_interruptible(&priv->wait_command_queue);
- iwl3945_led_register(priv);
-
if (priv->error_recovering)
iwl3945_error_recovery(priv);
+ ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
return;
restart:
iwl3945_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
/* tell the device to stop sending interrupts */
+ spin_lock_irqsave(&priv->lock, flags);
iwl3945_disable_interrupts(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ iwl_synchronize_irq(priv);
if (priv->mac80211_registered)
ieee80211_stop_queues(priv->hw);
priv->direct_ssid, priv->direct_ssid_len);
direct_mask = 1;
} else if (!iwl3945_is_associated(priv) && priv->essid_len) {
+ IWL_DEBUG_SCAN
+ ("Kicking off one direct scan for '%s' when not associated\n",
+ iwl3945_escape_essid(priv->essid, priv->essid_len));
scan->direct_scan[0].id = WLAN_EID_SSID;
scan->direct_scan[0].len = priv->essid_len;
memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len);
direct_mask = 1;
- } else
+ } else {
+ IWL_DEBUG_SCAN("Kicking off one indirect scan.\n");
direct_mask = 0;
+ }
/* We don't build a direct scan probe request; the uCode will do
* that based on the direct_mask added to each channel entry */
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
scan->filter_flags = RXON_FILTER_PROMISC_MSK;
- if (direct_mask) {
- IWL_DEBUG_SCAN
- ("Initiating direct scan for %s.\n",
- iwl3945_escape_essid(priv->essid, priv->essid_len));
+ if (direct_mask)
scan->channel_count =
iwl3945_get_channels_for_scan(
priv, band, 1, /* active */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
- } else {
- IWL_DEBUG_SCAN("Initiating indirect scan.\n");
+ else
scan->channel_count =
iwl3945_get_channels_for_scan(
priv, band, 0, /* passive */
direct_mask,
(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
- }
cmd.len += le16_to_cpu(scan->tx_cmd.len) +
scan->channel_count * sizeof(struct iwl3945_scan_channel);
if (priv->vif != vif) {
IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
- mutex_unlock(&priv->mutex);
return 0;
}
return;
}
- priv->only_active_channel = 0;
-
iwl3945_set_rate(priv);
mutex_unlock(&priv->mutex);
struct ieee80211_hw *hw;
struct iwl_3945_cfg *cfg = (struct iwl_3945_cfg *)(ent->driver_data);
int i;
+ unsigned long flags;
DECLARE_MAC_BUF(mac);
/* Disabling hardware scan means that mac80211 will perform scans
iwl3945_hw_ops.hw_scan = NULL;
}
- if ((iwl3945_param_queues_num > IWL_MAX_NUM_QUEUES) ||
+ if ((iwl3945_param_queues_num > IWL39_MAX_NUM_QUEUES) ||
(iwl3945_param_queues_num < IWL_MIN_NUM_QUEUES)) {
IWL_ERROR("invalid queues_num, should be between %d and %d\n",
- IWL_MIN_NUM_QUEUES, IWL_MAX_NUM_QUEUES);
+ IWL_MIN_NUM_QUEUES, IWL39_MAX_NUM_QUEUES);
err = -EINVAL;
goto out;
}
priv->power_mode = IWL_POWER_AC;
priv->user_txpower_limit = IWL_DEFAULT_TX_POWER;
+ spin_lock_irqsave(&priv->lock, flags);
iwl3945_disable_interrupts(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group);
if (err) {
goto out_free_channel_map;
}
- iwl3945_rate_control_register(priv->hw);
err = ieee80211_register_hw(priv->hw);
if (err) {
IWL_ERROR("Failed to register network device (error %d)\n", err);
return err;
}
-static void iwl3945_pci_remove(struct pci_dev *pdev)
+static void __devexit iwl3945_pci_remove(struct pci_dev *pdev)
{
struct iwl3945_priv *priv = pci_get_drvdata(pdev);
struct list_head *p, *q;
int i;
+ unsigned long flags;
if (!priv)
return;
iwl3945_down(priv);
+ /* make sure we flush any pending irq or
+ * tasklet for the driver
+ */
+ spin_lock_irqsave(&priv->lock, flags);
+ iwl3945_disable_interrupts(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ iwl_synchronize_irq(priv);
+
/* Free MAC hash list for ADHOC */
for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) {
list_for_each_safe(p, q, &priv->ibss_mac_hash[i]) {
if (priv->mac80211_registered) {
ieee80211_unregister_hw(priv->hw);
- iwl3945_rate_control_unregister(priv->hw);
}
/*netif_stop_queue(dev); */
int ret;
printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION ", " DRV_VERSION "\n");
printk(KERN_INFO DRV_NAME ": " DRV_COPYRIGHT "\n");
+
+ ret = iwl3945_rate_control_register();
+ if (ret) {
+ IWL_ERROR("Unable to register rate control algorithm: %d\n", ret);
+ return ret;
+ }
+
ret = pci_register_driver(&iwl3945_driver);
if (ret) {
IWL_ERROR("Unable to initialize PCI module\n");
- return ret;
+ goto error_register;
}
#ifdef CONFIG_IWL3945_DEBUG
ret = driver_create_file(&iwl3945_driver.driver, &driver_attr_debug_level);
if (ret) {
IWL_ERROR("Unable to create driver sysfs file\n");
- pci_unregister_driver(&iwl3945_driver);
- return ret;
+ goto error_debug;
}
#endif
return ret;
+
+#ifdef CONFIG_IWL3945_DEBUG
+error_debug:
+ pci_unregister_driver(&iwl3945_driver);
+#endif
+error_register:
+ iwl3945_rate_control_unregister();
+ return ret;
}
static void __exit iwl3945_exit(void)
driver_remove_file(&iwl3945_driver.driver, &driver_attr_debug_level);
#endif
pci_unregister_driver(&iwl3945_driver);
+ iwl3945_rate_control_unregister();
}
module_param_named(antenna, iwl3945_param_antenna, int, 0444);
projects / linux-2.6-omap-h63xx.git / blobdiff