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iwlwifi: port to cfg80211 rfkill

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This ports the iwlwifi rfkill code to the new API offered by
cfg80211 and thus removes a lot of useless stuff. The soft-
rfkill is completely removed since that is now handled by
setting the interfaces down.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Tested-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2009-06-04 18:26:06 +02:00
committed by John W. Linville
parent 1506e30b5f
commit a60e77e5a4
11 changed files with 19 additions and 414 deletions
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138
drivers/net/wireless/iwlwifi/iwl-core.c
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@@ -36,7 +36,6 @@
#include "iwl-debug.h"
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-rfkill.h"
#include "iwl-power.h"
#include "iwl-sta.h"
#include "iwl-helpers.h"
@@ -2211,126 +2210,6 @@ int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag)
}
EXPORT_SYMBOL(iwl_send_card_state);
void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv)
{
unsigned long flags;
if (test_bit(STATUS_RF_KILL_SW, &priv->status))
return;
IWL_DEBUG_RF_KILL(priv, "Manual SW RF KILL set to: RADIO OFF\n");
iwl_scan_cancel(priv);
/* FIXME: This is a workaround for AP */
if (priv->iw_mode != NL80211_IFTYPE_AP) {
spin_lock_irqsave(&priv->lock, flags);
iwl_write32(priv, CSR_UCODE_DRV_GP1_SET,
CSR_UCODE_SW_BIT_RFKILL);
spin_unlock_irqrestore(&priv->lock, flags);
/* call the host command only if no hw rf-kill set */
if (!test_bit(STATUS_RF_KILL_HW, &priv->status) &&
iwl_is_ready(priv))
iwl_send_card_state(priv,
CARD_STATE_CMD_DISABLE, 0);
set_bit(STATUS_RF_KILL_SW, &priv->status);
/* make sure mac80211 stop sending Tx frame */
if (priv->mac80211_registered)
ieee80211_stop_queues(priv->hw);
}
}
EXPORT_SYMBOL(iwl_radio_kill_sw_disable_radio);
int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv)
{
unsigned long flags;
if (!test_bit(STATUS_RF_KILL_SW, &priv->status))
return 0;
IWL_DEBUG_RF_KILL(priv, "Manual SW RF KILL set to: RADIO ON\n");
spin_lock_irqsave(&priv->lock, flags);
iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
/* If the driver is up it will receive CARD_STATE_NOTIFICATION
* notification where it will clear SW rfkill status.
* Setting it here would break the handler. Only if the
* interface is down we can set here since we don't
* receive any further notification.
*/
if (!priv->is_open)
clear_bit(STATUS_RF_KILL_SW, &priv->status);
spin_unlock_irqrestore(&priv->lock, flags);
/* wake up ucode */
msleep(10);
iwl_read32(priv, CSR_UCODE_DRV_GP1);
spin_lock_irqsave(&priv->reg_lock, flags);
if (!iwl_grab_nic_access(priv))
iwl_release_nic_access(priv);
spin_unlock_irqrestore(&priv->reg_lock, flags);
if (test_bit(STATUS_RF_KILL_HW, &priv->status)) {
IWL_DEBUG_RF_KILL(priv, "Can not turn radio back on - "
"disabled by HW switch\n");
return 0;
}
/* when driver is up while rfkill is on, it wont receive
* any CARD_STATE_NOTIFICATION notifications so we have to
* restart it in here
*/
if (priv->is_open && !test_bit(STATUS_ALIVE, &priv->status)) {
clear_bit(STATUS_RF_KILL_SW, &priv->status);
if (!iwl_is_rfkill(priv))
queue_work(priv->workqueue, &priv->up);
}
/* If the driver is already loaded, it will receive
* CARD_STATE_NOTIFICATION notifications and the handler will
* call restart to reload the driver.
*/
return 1;
}
EXPORT_SYMBOL(iwl_radio_kill_sw_enable_radio);
void iwl_bg_rf_kill(struct work_struct *work)
{
struct iwl_priv *priv = container_of(work, struct iwl_priv, rf_kill);
wake_up_interruptible(&priv->wait_command_queue);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
mutex_lock(&priv->mutex);
if (!iwl_is_rfkill(priv)) {
IWL_DEBUG_RF_KILL(priv,
"HW and/or SW RF Kill no longer active, restarting "
"device\n");
if (!test_bit(STATUS_EXIT_PENDING, &priv->status) &&
priv->is_open)
queue_work(priv->workqueue, &priv->restart);
} else {
/* make sure mac80211 stop sending Tx frame */
if (priv->mac80211_registered)
ieee80211_stop_queues(priv->hw);
if (!test_bit(STATUS_RF_KILL_HW, &priv->status))
IWL_DEBUG_RF_KILL(priv, "Can not turn radio back on - "
"disabled by SW switch\n");
else
IWL_WARN(priv, "Radio Frequency Kill Switch is On:\n"
"Kill switch must be turned off for "
"wireless networking to work.\n");
}
mutex_unlock(&priv->mutex);
iwl_rfkill_set_hw_state(priv);
}
EXPORT_SYMBOL(iwl_bg_rf_kill);
void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
@@ -2849,23 +2728,6 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) {
if (conf->radio_enabled &&
iwl_radio_kill_sw_enable_radio(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - RF-KILL - "
"waiting for uCode\n");
goto out;
}
if (!conf->radio_enabled)
iwl_radio_kill_sw_disable_radio(priv);
}
if (!conf->radio_enabled) {
IWL_DEBUG_MAC80211(priv, "leave - radio disabled\n");
goto out;
}
if (!iwl_is_ready(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
goto out;