int configureConnection(kern_ctl_ref ctlref, u_int unit, void *userdata, int opt, void *data, size_t len)
{
//on off
if (opt==1)
{
if (clone->priv->status & (STATUS_RF_KILL_SW | STATUS_RF_KILL_HW)) // off -> on
{
//clone->priv->config &= ~CFG_ASSOCIATE;
IOLog("Trying to turn card on...\n");
clone->priv->status &= ~STATUS_RF_KILL_HW;
clone->priv->status &= ~STATUS_RF_KILL_SW;
clone->priv->status &= ~(STATUS_AUTH);
iwl_up(clone->priv);
}
else
{
IOLog("Trying to turn card off...\n");
clone->priv->status |= STATUS_RF_KILL_HW;
clone->priv->status |= STATUS_RF_KILL_SW;
clone->priv->status &= ~(STATUS_AUTH);
iwl_down(clone->priv);
}
}
//Scan
if(opt==2){
printf("2\n");
iwl_scan_initiate(clone->priv);
}
return(0);
}
int iwl_mac_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_scan_request *req)
{
struct iwl_priv *priv = hw->priv;
int ret;
IWL_DEBUG_MAC80211(priv, "enter\n");
if (req->n_channels == 0)
return -EINVAL;
mutex_lock(&priv->mutex);
if (!iwl_is_ready_rf(priv)) {
ret = -EIO;
IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n");
goto out_unlock;
}
if (test_bit(STATUS_SCANNING, &priv->status) &&
!priv->is_internal_short_scan) {
IWL_DEBUG_SCAN(priv, "Scan already in progress.\n");
ret = -EAGAIN;
goto out_unlock;
}
if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) {
IWL_DEBUG_SCAN(priv, "Scan request while abort pending\n");
ret = -EAGAIN;
goto out_unlock;
}
/* mac80211 will only ask for one band at a time */
priv->scan_band = req->channels[0]->band;
priv->scan_request = req;
priv->scan_vif = vif;
/*
* If an internal scan is in progress, just set
* up the scan_request as per above.
*/
if (priv->is_internal_short_scan)
ret = 0;
else
ret = iwl_scan_initiate(priv, vif);
IWL_DEBUG_MAC80211(priv, "leave\n");
out_unlock:
mutex_unlock(&priv->mutex);
return ret;
}
static void iwl_process_scan_complete(struct iwl_priv *priv)
{
bool aborted;
lockdep_assert_held(&priv->mutex);
if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status))
return;
IWL_DEBUG_SCAN(priv, "Completed scan.\n");
cancel_delayed_work(&priv->scan_check);
aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status);
if (aborted)
IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n");
if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) {
IWL_DEBUG_SCAN(priv, "Scan already completed.\n");
goto out_settings;
}
if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) {
int err;
/* Check if mac80211 requested scan during our internal scan */
if (priv->scan_request == NULL)
goto out_complete;
/* If so request a new scan */
err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL,
priv->scan_request->channels[0]->band);
if (err) {
IWL_DEBUG_SCAN(priv,
"failed to initiate pending scan: %d\n", err);
aborted = true;
goto out_complete;
}
return;
}
out_complete:
iwl_complete_scan(priv, aborted);
out_settings:
/* Can we still talk to firmware ? */
if (!iwl_is_ready_rf(priv))
return;
iwlagn_post_scan(priv);
}
void iwl_bg_scan_completed(struct work_struct *work)
{
struct iwl_priv *priv =
container_of(work, struct iwl_priv, scan_completed);
bool internal = false;
IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
cancel_delayed_work(&priv->scan_check);
mutex_lock(&priv->mutex);
if (priv->is_internal_short_scan) {
priv->is_internal_short_scan = false;
IWL_DEBUG_SCAN(priv, "internal short scan completed\n");
internal = true;
} else {
priv->scan_request = NULL;
priv->scan_vif = NULL;
}
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
goto out;
if (internal && priv->scan_request)
iwl_scan_initiate(priv, priv->scan_vif);
/* Since setting the TXPOWER may have been deferred while
* performing the scan, fire one off */
iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
/*
* Since setting the RXON may have been deferred while
* performing the scan, fire one off if needed
*/
if (memcmp(&priv->active_rxon,
&priv->staging_rxon, sizeof(priv->staging_rxon)))
iwlcore_commit_rxon(priv);
out:
mutex_unlock(&priv->mutex);
/*
* Do not hold mutex here since this will cause mac80211 to call
* into driver again into functions that will attempt to take
* mutex.
*/
if (!internal)
ieee80211_scan_completed(priv->hw, false);
}
static int iwl_send_scan_abort(struct iwl_priv *priv)
{
int ret;
struct iwl_host_cmd cmd = {
.id = REPLY_SCAN_ABORT_CMD,
.flags = CMD_SYNC | CMD_WANT_SKB,
};
__le32 *status;
/* Exit instantly with error when device is not ready
* to receive scan abort command or it does not perform
* hardware scan currently */
if (!test_bit(STATUS_READY, &priv->status) ||
!test_bit(STATUS_SCAN_HW, &priv->status) ||
test_bit(STATUS_FW_ERROR, &priv->status))
return -EIO;
ret = iwl_dvm_send_cmd(priv, &cmd);
if (ret)
return ret;
status = (void *)cmd.resp_pkt->data;
if (*status != CAN_ABORT_STATUS) {
/* The scan abort will return 1 for success or
* 2 for "failure". A failure condition can be
* due to simply not being in an active scan which
* can occur if we send the scan abort before we
* the microcode has notified us that a scan is
* completed. */
IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n",
le32_to_cpu(*status));
ret = -EIO;
}
iwl_free_resp(&cmd);
return ret;
}
static void iwl_complete_scan(struct iwl_priv *priv, bool aborted)
{
/* check if scan was requested from mac80211 */
if (priv->scan_request) {
IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n");
ieee80211_scan_completed(priv->hw, aborted);
}
priv->scan_type = IWL_SCAN_NORMAL;
priv->scan_vif = NULL;
priv->scan_request = NULL;
}
static void iwl_process_scan_complete(struct iwl_priv *priv)
{
bool aborted;
lockdep_assert_held(&priv->mutex);
if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status))
return;
IWL_DEBUG_SCAN(priv, "Completed scan.\n");
cancel_delayed_work(&priv->scan_check);
aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status);
if (aborted)
IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n");
if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) {
IWL_DEBUG_SCAN(priv, "Scan already completed.\n");
goto out_settings;
}
if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) {
int err;
/* Check if mac80211 requested scan during our internal scan */
if (priv->scan_request == NULL)
goto out_complete;
/* If so request a new scan */
err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL,
priv->scan_request->channels[0]->band);
if (err) {
IWL_DEBUG_SCAN(priv,
"failed to initiate pending scan: %d\n", err);
aborted = true;
goto out_complete;
}
return;
}
out_complete:
iwl_complete_scan(priv, aborted);
out_settings:
/* Can we still talk to firmware ? */
if (!iwl_is_ready_rf(priv))
return;
iwlagn_post_scan(priv);
}
int iwl_mac_hw_scan(struct ieee80211_hw *hw,
struct cfg80211_scan_request *req)
{
unsigned long flags;
struct iwl_priv *priv = hw->priv;
int ret;
u8 *ssid = NULL;
size_t ssid_len = 0;
if (req->n_ssids) {
ssid = req->ssids[0].ssid;
ssid_len = req->ssids[0].ssid_len;
}
IWL_DEBUG_MAC80211(priv, "enter\n");
mutex_lock(&priv->mutex);
spin_lock_irqsave(&priv->lock, flags);
if (!iwl_is_ready_rf(priv)) {
ret = -EIO;
IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n");
goto out_unlock;
}
/* We don't schedule scan within next_scan_jiffies period.
* Avoid scanning during possible EAPOL exchange, return
* success immediately.
*/
if (priv->next_scan_jiffies &&
time_after(priv->next_scan_jiffies, jiffies)) {
IWL_DEBUG_SCAN(priv, "scan rejected: within next scan period\n");
queue_work(priv->workqueue, &priv->scan_completed);
ret = 0;
goto out_unlock;
}
/* if we just finished scan ask for delay */
if (iwl_is_associated(priv) && priv->last_scan_jiffies &&
time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) {
IWL_DEBUG_SCAN(priv, "scan rejected: within previous scan period\n");
queue_work(priv->workqueue, &priv->scan_completed);
ret = 0;
goto out_unlock;
}
if (ssid_len) {
priv->one_direct_scan = 1;
priv->direct_ssid_len = ssid_len;
memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len);
} else {
priv->one_direct_scan = 0;
}
ret = iwl_scan_initiate(priv);
IWL_DEBUG_MAC80211(priv, "leave\n");
out_unlock:
spin_unlock_irqrestore(&priv->lock, flags);
mutex_unlock(&priv->mutex);
return ret;
}
static int iwl_send_scan_abort(struct iwl_priv *priv)
{
int ret;
struct iwl_host_cmd cmd = {
.id = REPLY_SCAN_ABORT_CMD,
.flags = CMD_SYNC | CMD_WANT_SKB,
};
__le32 *status;
if (!test_bit(STATUS_READY, &priv->status) ||
!test_bit(STATUS_GEO_CONFIGURED, &priv->status) ||
!test_bit(STATUS_SCAN_HW, &priv->status) ||
test_bit(STATUS_FW_ERROR, &priv->shrd->status))
return -EIO;
ret = iwl_dvm_send_cmd(priv, &cmd);
if (ret)
return ret;
status = (void *)cmd.resp_pkt->data;
if (*status != CAN_ABORT_STATUS) {
IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n",
le32_to_cpu(*status));
ret = -EIO;
}
iwl_free_resp(&cmd);
return ret;
}
static void iwl_complete_scan(struct iwl_priv *priv, bool aborted)
{
if (priv->scan_request) {
IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n");
ieee80211_scan_completed(priv->hw, aborted);
}
if (priv->scan_type == IWL_SCAN_ROC) {
ieee80211_remain_on_channel_expired(priv->hw);
priv->hw_roc_channel = NULL;
schedule_delayed_work(&priv->hw_roc_disable_work, 10 * HZ);
}
priv->scan_type = IWL_SCAN_NORMAL;
priv->scan_vif = NULL;
priv->scan_request = NULL;
}
static void iwl_process_scan_complete(struct iwl_priv *priv)
{
bool aborted;
lockdep_assert_held(&priv->mutex);
if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status))
return;
IWL_DEBUG_SCAN(priv, "Completed scan.\n");
cancel_delayed_work(&priv->scan_check);
aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status);
if (aborted)
IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n");
if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) {
IWL_DEBUG_SCAN(priv, "Scan already completed.\n");
goto out_settings;
}
if (priv->scan_type == IWL_SCAN_ROC) {
ieee80211_remain_on_channel_expired(priv->hw);
priv->hw_roc_channel = NULL;
schedule_delayed_work(&priv->hw_roc_disable_work, 10 * HZ);
}
if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) {
int err;
if (priv->scan_request == NULL)
goto out_complete;
err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL,
priv->scan_request->channels[0]->band);
if (err) {
IWL_DEBUG_SCAN(priv,
"failed to initiate pending scan: %d\n", err);
aborted = true;
goto out_complete;
}
return;
}
out_complete:
iwl_complete_scan(priv, aborted);
out_settings:
if (!iwl_is_ready_rf(priv))
return;
iwlagn_post_scan(priv);
}
