*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-
-/* This function both allocates and initializes hw and priv. */
-struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg)
-{
- struct iwl_priv *priv;
- /* mac80211 allocates memory for this device instance, including
- * space for this driver's private structure */
- struct ieee80211_hw *hw;
-
- hw = ieee80211_alloc_hw(sizeof(struct iwl_priv),
- cfg->ops->ieee80211_ops);
- if (hw == NULL) {
- pr_err("%s: Can not allocate network device\n",
- cfg->name);
- goto out;
- }
-
- priv = hw->priv;
- priv->hw = hw;
-
-out:
- return hw;
-}
-
#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
int i = 0;
+ s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN;
if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
geo_ch->flags |= ch->ht40_extension_channel;
- if (ch->max_power_avg > priv->tx_power_device_lmt)
- priv->tx_power_device_lmt = ch->max_power_avg;
+ if (ch->max_power_avg > max_tx_power)
+ max_tx_power = ch->max_power_avg;
} else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
geo_ch->flags);
}
+ priv->tx_power_device_lmt = max_tx_power;
+ priv->tx_power_user_lmt = max_tx_power;
+ priv->tx_power_next = max_tx_power;
+
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
priv->cfg->sku & IWL_SKU_A) {
IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
}
#endif
-/**
- * iwl_irq_handle_error - called for HW or SW error interrupt from card
- */
-void iwl_irq_handle_error(struct iwl_priv *priv)
+
+static void iwlagn_abort_notification_waits(struct iwl_priv *priv)
+{
+ unsigned long flags;
+ struct iwl_notification_wait *wait_entry;
+
+ spin_lock_irqsave(&priv->_agn.notif_wait_lock, flags);
+ list_for_each_entry(wait_entry, &priv->_agn.notif_waits, list)
+ wait_entry->aborted = true;
+ spin_unlock_irqrestore(&priv->_agn.notif_wait_lock, flags);
+
+ wake_up_all(&priv->_agn.notif_waitq);
+}
+
+void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
{
unsigned int reload_msec;
unsigned long reload_jiffies;
/* Cancel currently queued command. */
clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+ iwlagn_abort_notification_waits(priv);
+
+ /* Keep the restart process from trying to send host
+ * commands by clearing the ready bit */
+ clear_bit(STATUS_READY, &priv->status);
+
+ wake_up_interruptible(&priv->wait_command_queue);
+
+ if (!ondemand) {
+ /*
+ * If firmware keep reloading, then it indicate something
+ * serious wrong and firmware having problem to recover
+ * from it. Instead of keep trying which will fill the syslog
+ * and hang the system, let's just stop it
+ */
+ reload_jiffies = jiffies;
+ reload_msec = jiffies_to_msecs((long) reload_jiffies -
+ (long) priv->reload_jiffies);
+ priv->reload_jiffies = reload_jiffies;
+ if (reload_msec <= IWL_MIN_RELOAD_DURATION) {
+ priv->reload_count++;
+ if (priv->reload_count >= IWL_MAX_CONTINUE_RELOAD_CNT) {
+ IWL_ERR(priv, "BUG_ON, Stop restarting\n");
+ return;
+ }
+ } else
+ priv->reload_count = 0;
+ }
+
+ if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) {
+ if (priv->cfg->mod_params->restart_fw) {
+ IWL_DEBUG(priv, IWL_DL_FW_ERRORS,
+ "Restarting adapter due to uCode error.\n");
+ queue_work(priv->workqueue, &priv->restart);
+ } else
+ IWL_DEBUG(priv, IWL_DL_FW_ERRORS,
+ "Detected FW error, but not restarting\n");
+ }
+}
+
+/**
+ * iwl_irq_handle_error - called for HW or SW error interrupt from card
+ */
+void iwl_irq_handle_error(struct iwl_priv *priv)
+{
/* W/A for WiFi/WiMAX coex and WiMAX own the RF */
if (priv->cfg->internal_wimax_coex &&
(!(iwl_read_prph(priv, APMG_CLK_CTRL_REG) &
APMS_CLK_VAL_MRB_FUNC_MODE) ||
(iwl_read_prph(priv, APMG_PS_CTRL_REG) &
APMG_PS_CTRL_VAL_RESET_REQ))) {
- wake_up_interruptible(&priv->wait_command_queue);
/*
- *Keep the restart process from trying to send host
- * commands by clearing the INIT status bit
+ * Keep the restart process from trying to send host
+ * commands by clearing the ready bit.
*/
clear_bit(STATUS_READY, &priv->status);
+ clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+ wake_up_interruptible(&priv->wait_command_queue);
IWL_ERR(priv, "RF is used by WiMAX\n");
return;
}
IWL_ERR(priv, "Loaded firmware version: %s\n",
priv->hw->wiphy->fw_version);
- priv->cfg->ops->lib->dump_nic_error_log(priv);
- if (priv->cfg->ops->lib->dump_csr)
- priv->cfg->ops->lib->dump_csr(priv);
- if (priv->cfg->ops->lib->dump_fh)
- priv->cfg->ops->lib->dump_fh(priv, NULL, false);
- priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false);
+ iwl_dump_nic_error_log(priv);
+ iwl_dump_csr(priv);
+ iwl_dump_fh(priv, NULL, false);
+ iwl_dump_nic_event_log(priv, false, NULL, false);
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS)
iwl_print_rx_config_cmd(priv,
&priv->contexts[IWL_RXON_CTX_BSS]);
#endif
- wake_up_interruptible(&priv->wait_command_queue);
-
- /* Keep the restart process from trying to send host
- * commands by clearing the INIT status bit */
- clear_bit(STATUS_READY, &priv->status);
-
- /*
- * If firmware keep reloading, then it indicate something
- * serious wrong and firmware having problem to recover
- * from it. Instead of keep trying which will fill the syslog
- * and hang the system, let's just stop it
- */
- reload_jiffies = jiffies;
- reload_msec = jiffies_to_msecs((long) reload_jiffies -
- (long) priv->reload_jiffies);
- priv->reload_jiffies = reload_jiffies;
- if (reload_msec <= IWL_MIN_RELOAD_DURATION) {
- priv->reload_count++;
- if (priv->reload_count >= IWL_MAX_CONTINUE_RELOAD_CNT) {
- IWL_ERR(priv, "BUG_ON, Stop restarting\n");
- return;
- }
- } else
- priv->reload_count = 0;
-
- if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) {
- IWL_DEBUG(priv, IWL_DL_FW_ERRORS,
- "Restarting adapter due to uCode error.\n");
-
- if (priv->cfg->mod_params->restart_fw)
- queue_work(priv->workqueue, &priv->restart);
- }
+ iwlagn_fw_error(priv, false);
}
static int iwl_apm_stop_master(struct iwl_priv *priv)
/*
* Enable HAP INTA (interrupt from management bus) to
* wake device's PCI Express link L1a -> L0s
- * NOTE: This is no-op for 3945 (non-existant bit)
*/
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
* If not (unlikely), enable L0S, so there is at least some
* power savings, even without L1.
*/
- if (priv->cfg->base_params->set_l0s) {
- lctl = iwl_pcie_link_ctl(priv);
- if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
- PCI_CFG_LINK_CTRL_VAL_L1_EN) {
- /* L1-ASPM enabled; disable(!) L0S */
- iwl_set_bit(priv, CSR_GIO_REG,
- CSR_GIO_REG_VAL_L0S_ENABLED);
- IWL_DEBUG_POWER(priv, "L1 Enabled; Disabling L0S\n");
- } else {
- /* L1-ASPM disabled; enable(!) L0S */
- iwl_clear_bit(priv, CSR_GIO_REG,
- CSR_GIO_REG_VAL_L0S_ENABLED);
- IWL_DEBUG_POWER(priv, "L1 Disabled; Enabling L0S\n");
- }
+ lctl = iwl_pcie_link_ctl(priv);
+ if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
+ PCI_CFG_LINK_CTRL_VAL_L1_EN) {
+ /* L1-ASPM enabled; disable(!) L0S */
+ iwl_set_bit(priv, CSR_GIO_REG,
+ CSR_GIO_REG_VAL_L0S_ENABLED);
+ IWL_DEBUG_POWER(priv, "L1 Enabled; Disabling L0S\n");
+ } else {
+ /* L1-ASPM disabled; enable(!) L0S */
+ iwl_clear_bit(priv, CSR_GIO_REG,
+ CSR_GIO_REG_VAL_L0S_ENABLED);
+ IWL_DEBUG_POWER(priv, "L1 Disabled; Enabling L0S\n");
}
/* Configure analog phase-lock-loop before activating to D0A */
}
/*
- * Enable DMA and BSM (if used) clocks, wait for them to stabilize.
- * BSM (Boostrap State Machine) is only in 3945 and 4965;
- * later devices (i.e. 5000 and later) have non-volatile SRAM,
- * and don't need BSM to restore data after power-saving sleep.
+ * Enable DMA clock and wait for it to stabilize.
*
* Write to "CLK_EN_REG"; "1" bits enable clocks, while "0" bits
* do not disable clocks. This preserves any hardware bits already
* set by default in "CLK_CTRL_REG" after reset.
*/
- if (priv->cfg->base_params->use_bsm)
- iwl_write_prph(priv, APMG_CLK_EN_REG,
- APMG_CLK_VAL_DMA_CLK_RQT | APMG_CLK_VAL_BSM_CLK_RQT);
- else
- iwl_write_prph(priv, APMG_CLK_EN_REG,
- APMG_CLK_VAL_DMA_CLK_RQT);
+ iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT);
udelay(20);
/* Disable L1-Active */
iwl_teardown_interface(priv, vif, false);
- memset(priv->bssid, 0, ETH_ALEN);
mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
break;
}
IWL_ERR(priv, "On demand firmware reload\n");
- /* Set the FW error flag -- cleared on iwl_down */
- set_bit(STATUS_FW_ERROR, &priv->status);
- wake_up_interruptible(&priv->wait_command_queue);
- /*
- * Keep the restart process from trying to send host
- * commands by clearing the INIT status bit
- */
- clear_bit(STATUS_READY, &priv->status);
- queue_work(priv->workqueue, &priv->restart);
+ iwlagn_fw_error(priv, true);
break;
}
return 0;
mutex_lock(&priv->mutex);
+ if (!ctx->vif || !iwl_is_ready_rf(priv)) {
+ /*
+ * Huh? But wait ... this can maybe happen when
+ * we're in the middle of a firmware restart!
+ */
+ err = -EBUSY;
+ goto out;
+ }
+
interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes;
if (!(interface_modes & BIT(newtype))) {
/* success */
iwl_teardown_interface(priv, vif, true);
vif->type = newtype;
+ vif->p2p = newp2p;
err = iwl_setup_interface(priv, ctx);
WARN_ON(err);
/*
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