*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 2010 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
MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
MODULE_LICENSE("GPL");
+/*
+ * set bt_coex_active to true, uCode will do kill/defer
+ * every time the priority line is asserted (BT is sending signals on the
+ * priority line in the PCIx).
+ * set bt_coex_active to false, uCode will ignore the BT activity and
+ * perform the normal operation
+ *
+ * User might experience transmit issue on some platform due to WiFi/BT
+ * co-exist problem. The possible behaviors are:
+ * Able to scan and finding all the available AP
+ * Not able to associate with any AP
+ * On those platforms, WiFi communication can be restored by set
+ * "bt_coex_active" module parameter to "false"
+ *
+ * default: bt_coex_active = true (BT_COEX_ENABLE)
+ */
+static bool bt_coex_active = true;
+module_param(bt_coex_active, bool, S_IRUGO);
+MODULE_PARM_DESC(bt_coex_active, "enable wifi/bluetooth co-exist\n");
+
static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
{COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
0, COEX_UNASSOC_IDLE_FLAGS},
u32 iwl_debug_level;
EXPORT_SYMBOL(iwl_debug_level);
-static irqreturn_t iwl_isr(int irq, void *data);
-
/*
* Parameter order:
* rate, ht rate, prev rate, next rate, prev tgg rate, next tgg rate
spin_lock_irqsave(&priv->lock, flags);
priv->cfg->ops->lib->apm_ops.init(priv);
- /* Set interrupt coalescing timer to 512 usecs */
- iwl_write8(priv, CSR_INT_COALESCING, 512 / 32);
+ /* Set interrupt coalescing calibration timer to default (512 usecs) */
+ iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF);
spin_unlock_irqrestore(&priv->lock, flags);
if (priv->cfg->ht_greenfield_support)
ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
- ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
- (priv->cfg->sm_ps_mode << 2));
max_bit_rate = MAX_BIT_RATE_20_MHZ;
if (priv->hw_params.ht40_channel & BIT(band)) {
ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
static bool is_single_rx_stream(struct iwl_priv *priv)
{
- return !priv->current_ht_config.is_ht ||
+ return priv->current_ht_config.smps == IEEE80211_SMPS_STATIC ||
priv->current_ht_config.single_chain_sufficient;
}
u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv)
{
- int i;
- int rate_mask;
-
- /* Set rate mask*/
- if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
- rate_mask = priv->active_rate_basic & IWL_CCK_RATES_MASK;
- else
- rate_mask = priv->active_rate_basic & IWL_OFDM_RATES_MASK;
-
- /* Find lowest valid rate */
- for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID;
- i = iwl_rates[i].next_ieee) {
- if (rate_mask & (1 << i))
- return iwl_rates[i].plcp;
- }
-
- /* No valid rate was found. Assign the lowest one */
+ /*
+ * Assign the lowest rate -- should really get this from
+ * the beacon skb from mac80211.
+ */
if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
return IWL_RATE_1M_PLCP;
else
*/
static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
{
- int idle_cnt = active_cnt;
- bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
-
- /* # Rx chains when idling and maybe trying to save power */
- switch (priv->cfg->sm_ps_mode) {
- case WLAN_HT_CAP_SM_PS_STATIC:
- idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
- break;
- case WLAN_HT_CAP_SM_PS_DYNAMIC:
- idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
- IWL_NUM_IDLE_CHAINS_SINGLE;
- break;
- case WLAN_HT_CAP_SM_PS_DISABLED:
- break;
- case WLAN_HT_CAP_SM_PS_INVALID:
+ /* # Rx chains when idling, depending on SMPS mode */
+ switch (priv->current_ht_config.smps) {
+ case IEEE80211_SMPS_STATIC:
+ case IEEE80211_SMPS_DYNAMIC:
+ return IWL_NUM_IDLE_CHAINS_SINGLE;
+ case IEEE80211_SMPS_OFF:
+ return active_cnt;
default:
- IWL_ERR(priv, "invalid sm_ps mode %u\n",
- priv->cfg->sm_ps_mode);
- WARN_ON(1);
- break;
+ WARN(1, "invalid SMPS mode %d",
+ priv->current_ht_config.smps);
+ return active_cnt;
}
- return idle_cnt;
}
/* up to 4 chains */
if (!ch_info)
ch_info = &priv->channel_info[0];
- /*
- * in some case A channels are all non IBSS
- * in this case force B/G channel
- */
- if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) &&
- !(is_channel_ibss(ch_info)))
- ch_info = &priv->channel_info[0];
-
priv->staging_rxon.channel = cpu_to_le16(ch_info->channel);
priv->band = ch_info->band;
}
priv->active_rate = 0;
- priv->active_rate_basic = 0;
for (i = 0; i < hw->n_bitrates; i++) {
rate = &(hw->bitrates[i]);
priv->active_rate |= (1 << rate->hw_value);
}
- IWL_DEBUG_RATE(priv, "Set active_rate = %0x, active_rate_basic = %0x\n",
- priv->active_rate, priv->active_rate_basic);
+ IWL_DEBUG_RATE(priv, "Set active_rate = %0x\n", priv->active_rate);
- /*
- * If a basic rate is configured, then use it (adding IWL_RATE_1M_MASK)
- * otherwise set it to the default of all CCK rates and 6, 12, 24 for
- * OFDM
- */
- if (priv->active_rate_basic & IWL_CCK_BASIC_RATES_MASK)
- priv->staging_rxon.cck_basic_rates =
- ((priv->active_rate_basic &
- IWL_CCK_RATES_MASK) >> IWL_FIRST_CCK_RATE) & 0xF;
- else
- priv->staging_rxon.cck_basic_rates =
- (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
-
- if (priv->active_rate_basic & IWL_OFDM_BASIC_RATES_MASK)
- priv->staging_rxon.ofdm_basic_rates =
- ((priv->active_rate_basic &
- (IWL_OFDM_BASIC_RATES_MASK | IWL_RATE_6M_MASK)) >>
- IWL_FIRST_OFDM_RATE) & 0xFF;
- else
- priv->staging_rxon.ofdm_basic_rates =
- (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
+ priv->staging_rxon.cck_basic_rates =
+ (IWL_CCK_BASIC_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
+
+ priv->staging_rxon.ofdm_basic_rates =
+ (IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
}
void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
priv->cfg->ops->lib->dump_nic_error_log(priv);
- priv->cfg->ops->lib->dump_nic_event_log(priv, false);
+ 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);
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS)
iwl_print_rx_config_cmd(priv);
}
EXPORT_SYMBOL(iwl_irq_handle_error);
-int iwl_apm_stop_master(struct iwl_priv *priv)
+static int iwl_apm_stop_master(struct iwl_priv *priv)
{
int ret = 0;
return ret;
}
-EXPORT_SYMBOL(iwl_apm_stop_master);
void iwl_apm_stop(struct iwl_priv *priv)
{
}
EXPORT_SYMBOL(iwl_set_tx_power);
-#define ICT_COUNT (PAGE_SIZE/sizeof(u32))
-
-/* Free dram table */
-void iwl_free_isr_ict(struct iwl_priv *priv)
-{
- if (priv->ict_tbl_vir) {
- pci_free_consistent(priv->pci_dev, (sizeof(u32) * ICT_COUNT) +
- PAGE_SIZE, priv->ict_tbl_vir,
- priv->ict_tbl_dma);
- priv->ict_tbl_vir = NULL;
- }
-}
-EXPORT_SYMBOL(iwl_free_isr_ict);
-
-
-/* allocate dram shared table it is a PAGE_SIZE aligned
- * also reset all data related to ICT table interrupt.
- */
-int iwl_alloc_isr_ict(struct iwl_priv *priv)
-{
-
- if (priv->cfg->use_isr_legacy)
- return 0;
- /* allocate shrared data table */
- priv->ict_tbl_vir = pci_alloc_consistent(priv->pci_dev, (sizeof(u32) *
- ICT_COUNT) + PAGE_SIZE,
- &priv->ict_tbl_dma);
- if (!priv->ict_tbl_vir)
- return -ENOMEM;
-
- /* align table to PAGE_SIZE boundry */
- priv->aligned_ict_tbl_dma = ALIGN(priv->ict_tbl_dma, PAGE_SIZE);
-
- IWL_DEBUG_ISR(priv, "ict dma addr %Lx dma aligned %Lx diff %d\n",
- (unsigned long long)priv->ict_tbl_dma,
- (unsigned long long)priv->aligned_ict_tbl_dma,
- (int)(priv->aligned_ict_tbl_dma - priv->ict_tbl_dma));
-
- priv->ict_tbl = priv->ict_tbl_vir +
- (priv->aligned_ict_tbl_dma - priv->ict_tbl_dma);
-
- IWL_DEBUG_ISR(priv, "ict vir addr %p vir aligned %p diff %d\n",
- priv->ict_tbl, priv->ict_tbl_vir,
- (int)(priv->aligned_ict_tbl_dma - priv->ict_tbl_dma));
-
- /* reset table and index to all 0 */
- memset(priv->ict_tbl_vir,0, (sizeof(u32) * ICT_COUNT) + PAGE_SIZE);
- priv->ict_index = 0;
-
- /* add periodic RX interrupt */
- priv->inta_mask |= CSR_INT_BIT_RX_PERIODIC;
- return 0;
-}
-EXPORT_SYMBOL(iwl_alloc_isr_ict);
-
-/* Device is going up inform it about using ICT interrupt table,
- * also we need to tell the driver to start using ICT interrupt.
- */
-int iwl_reset_ict(struct iwl_priv *priv)
-{
- u32 val;
- unsigned long flags;
-
- if (!priv->ict_tbl_vir)
- return 0;
-
- spin_lock_irqsave(&priv->lock, flags);
- iwl_disable_interrupts(priv);
-
- memset(&priv->ict_tbl[0], 0, sizeof(u32) * ICT_COUNT);
-
- val = priv->aligned_ict_tbl_dma >> PAGE_SHIFT;
-
- val |= CSR_DRAM_INT_TBL_ENABLE;
- val |= CSR_DRAM_INIT_TBL_WRAP_CHECK;
-
- IWL_DEBUG_ISR(priv, "CSR_DRAM_INT_TBL_REG =0x%X "
- "aligned dma address %Lx\n",
- val, (unsigned long long)priv->aligned_ict_tbl_dma);
-
- iwl_write32(priv, CSR_DRAM_INT_TBL_REG, val);
- priv->use_ict = true;
- priv->ict_index = 0;
- iwl_write32(priv, CSR_INT, priv->inta_mask);
- iwl_enable_interrupts(priv);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- return 0;
-}
-EXPORT_SYMBOL(iwl_reset_ict);
-
-/* Device is going down disable ict interrupt usage */
-void iwl_disable_ict(struct iwl_priv *priv)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->lock, flags);
- priv->use_ict = false;
- spin_unlock_irqrestore(&priv->lock, flags);
-}
-EXPORT_SYMBOL(iwl_disable_ict);
-
-/* interrupt handler using ict table, with this interrupt driver will
- * stop using INTA register to get device's interrupt, reading this register
- * is expensive, device will write interrupts in ICT dram table, increment
- * index then will fire interrupt to driver, driver will OR all ICT table
- * entries from current index up to table entry with 0 value. the result is
- * the interrupt we need to service, driver will set the entries back to 0 and
- * set index.
- */
-irqreturn_t iwl_isr_ict(int irq, void *data)
-{
- struct iwl_priv *priv = data;
- u32 inta, inta_mask;
- u32 val = 0;
-
- if (!priv)
- return IRQ_NONE;
-
- /* dram interrupt table not set yet,
- * use legacy interrupt.
- */
- if (!priv->use_ict)
- return iwl_isr(irq, data);
-
- spin_lock(&priv->lock);
-
- /* Disable (but don't clear!) interrupts here to avoid
- * back-to-back ISRs and sporadic interrupts from our NIC.
- * If we have something to service, the tasklet will re-enable ints.
- * If we *don't* have something, we'll re-enable before leaving here.
- */
- inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */
- iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
-
- /* Ignore interrupt if there's nothing in NIC to service.
- * This may be due to IRQ shared with another device,
- * or due to sporadic interrupts thrown from our NIC. */
- if (!priv->ict_tbl[priv->ict_index]) {
- IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0\n");
- goto none;
- }
-
- /* read all entries that not 0 start with ict_index */
- while (priv->ict_tbl[priv->ict_index]) {
-
- val |= le32_to_cpu(priv->ict_tbl[priv->ict_index]);
- IWL_DEBUG_ISR(priv, "ICT index %d value 0x%08X\n",
- priv->ict_index,
- le32_to_cpu(priv->ict_tbl[priv->ict_index]));
- priv->ict_tbl[priv->ict_index] = 0;
- priv->ict_index = iwl_queue_inc_wrap(priv->ict_index,
- ICT_COUNT);
-
- }
-
- /* We should not get this value, just ignore it. */
- if (val == 0xffffffff)
- val = 0;
-
- inta = (0xff & val) | ((0xff00 & val) << 16);
- IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x ict 0x%08x\n",
- inta, inta_mask, val);
-
- inta &= priv->inta_mask;
- priv->inta |= inta;
-
- /* iwl_irq_tasklet() will service interrupts and re-enable them */
- if (likely(inta))
- tasklet_schedule(&priv->irq_tasklet);
- else if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta) {
- /* Allow interrupt if was disabled by this handler and
- * no tasklet was schedules, We should not enable interrupt,
- * tasklet will enable it.
- */
- iwl_enable_interrupts(priv);
- }
-
- spin_unlock(&priv->lock);
- return IRQ_HANDLED;
-
- none:
- /* re-enable interrupts here since we don't have anything to service.
- * only Re-enable if disabled by irq.
- */
- if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta)
- iwl_enable_interrupts(priv);
-
- spin_unlock(&priv->lock);
- return IRQ_NONE;
-}
-EXPORT_SYMBOL(iwl_isr_ict);
-
-
-static irqreturn_t iwl_isr(int irq, void *data)
-{
- struct iwl_priv *priv = data;
- u32 inta, inta_mask;
-#ifdef CONFIG_IWLWIFI_DEBUG
- u32 inta_fh;
-#endif
- if (!priv)
- return IRQ_NONE;
-
- spin_lock(&priv->lock);
-
- /* Disable (but don't clear!) interrupts here to avoid
- * back-to-back ISRs and sporadic interrupts from our NIC.
- * If we have something to service, the tasklet will re-enable ints.
- * If we *don't* have something, we'll re-enable before leaving here. */
- inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */
- iwl_write32(priv, CSR_INT_MASK, 0x00000000);
-
- /* Discover which interrupts are active/pending */
- inta = iwl_read32(priv, CSR_INT);
-
- /* Ignore interrupt if there's nothing in NIC to service.
- * This may be due to IRQ shared with another device,
- * or due to sporadic interrupts thrown from our NIC. */
- if (!inta) {
- IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0\n");
- goto none;
- }
-
- if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
- /* Hardware disappeared. It might have already raised
- * an interrupt */
- IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
- goto unplugged;
- }
-
-#ifdef CONFIG_IWLWIFI_DEBUG
- if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) {
- inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
- IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, "
- "fh 0x%08x\n", inta, inta_mask, inta_fh);
- }
-#endif
-
- priv->inta |= inta;
- /* iwl_irq_tasklet() will service interrupts and re-enable them */
- if (likely(inta))
- tasklet_schedule(&priv->irq_tasklet);
- else if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta)
- iwl_enable_interrupts(priv);
-
- unplugged:
- spin_unlock(&priv->lock);
- return IRQ_HANDLED;
-
- none:
- /* re-enable interrupts here since we don't have anything to service. */
- /* only Re-enable if diabled by irq and no schedules tasklet. */
- if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta)
- iwl_enable_interrupts(priv);
-
- spin_unlock(&priv->lock);
- return IRQ_NONE;
-}
-
irqreturn_t iwl_isr_legacy(int irq, void *data)
{
struct iwl_priv *priv = data;
int iwl_send_bt_config(struct iwl_priv *priv)
{
struct iwl_bt_cmd bt_cmd = {
- .flags = BT_COEX_MODE_4W,
.lead_time = BT_LEAD_TIME_DEF,
.max_kill = BT_MAX_KILL_DEF,
.kill_ack_mask = 0,
.kill_cts_mask = 0,
};
+ if (!bt_coex_active)
+ bt_cmd.flags = BT_COEX_DISABLE;
+ else
+ bt_cmd.flags = BT_COEX_ENABLE;
+
+ IWL_DEBUG_INFO(priv, "BT coex %s\n",
+ (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active");
+
return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG,
sizeof(struct iwl_bt_cmd), &bt_cmd);
}
return -EIO;
}
- if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
- IWL_DEBUG_MAC80211(priv, "leave - not IBSS\n");
- return -EIO;
- }
-
spin_lock_irqsave(&priv->lock, flags);
if (priv->ibss_beacon)
}
EXPORT_SYMBOL(iwl_mac_beacon_update);
-int iwl_set_mode(struct iwl_priv *priv, int mode)
+static int iwl_set_mode(struct iwl_priv *priv, struct ieee80211_vif *vif)
{
- if (mode == NL80211_IFTYPE_ADHOC) {
- const struct iwl_channel_info *ch_info;
-
- ch_info = iwl_get_channel_info(priv,
- priv->band,
- le16_to_cpu(priv->staging_rxon.channel));
-
- if (!ch_info || !is_channel_ibss(ch_info)) {
- IWL_ERR(priv, "channel %d not IBSS channel\n",
- le16_to_cpu(priv->staging_rxon.channel));
- return -EINVAL;
- }
- }
-
- iwl_connection_init_rx_config(priv, mode);
+ iwl_connection_init_rx_config(priv, vif->type);
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
- iwl_clear_stations_table(priv);
-
- /* dont commit rxon if rf-kill is on*/
- if (!iwl_is_ready_rf(priv))
- return -EAGAIN;
-
- iwlcore_commit_rxon(priv);
-
- return 0;
+ return iwlcore_commit_rxon(priv);
}
-EXPORT_SYMBOL(iwl_set_mode);
-int iwl_mac_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct iwl_priv *priv = hw->priv;
- unsigned long flags;
+ int err = 0;
- IWL_DEBUG_MAC80211(priv, "enter: type %d\n", conf->type);
+ IWL_DEBUG_MAC80211(priv, "enter: type %d\n", vif->type);
+
+ mutex_lock(&priv->mutex);
+
+ if (WARN_ON(!iwl_is_ready_rf(priv))) {
+ err = -EINVAL;
+ goto out;
+ }
if (priv->vif) {
IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n");
- return -EOPNOTSUPP;
+ err = -EOPNOTSUPP;
+ goto out;
}
- spin_lock_irqsave(&priv->lock, flags);
- priv->vif = conf->vif;
- priv->iw_mode = conf->type;
+ priv->vif = vif;
+ priv->iw_mode = vif->type;
- spin_unlock_irqrestore(&priv->lock, flags);
+ IWL_DEBUG_MAC80211(priv, "Set %pM\n", vif->addr);
+ memcpy(priv->mac_addr, vif->addr, ETH_ALEN);
- mutex_lock(&priv->mutex);
+ err = iwl_set_mode(priv, vif);
+ if (err)
+ goto out_err;
- if (conf->mac_addr) {
- IWL_DEBUG_MAC80211(priv, "Set %pM\n", conf->mac_addr);
- memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
- }
+ /* Add the broadcast address so we can send broadcast frames */
+ priv->cfg->ops->lib->add_bcast_station(priv);
- if (iwl_set_mode(priv, conf->type) == -EAGAIN)
- /* we are not ready, will run again when ready */
- set_bit(STATUS_MODE_PENDING, &priv->status);
+ goto out;
+ out_err:
+ priv->vif = NULL;
+ priv->iw_mode = NL80211_IFTYPE_STATION;
+ out:
mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
- return 0;
+ return err;
}
EXPORT_SYMBOL(iwl_mac_add_interface);
void iwl_mac_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct iwl_priv *priv = hw->priv;
mutex_lock(&priv->mutex);
+ iwl_clear_ucode_stations(priv, true);
+
if (iwl_is_ready_rf(priv)) {
iwl_scan_cancel_timeout(priv, 100);
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
iwlcore_commit_rxon(priv);
}
- if (priv->vif == conf->vif) {
+ if (priv->vif == vif) {
priv->vif = NULL;
memset(priv->bssid, 0, ETH_ALEN);
}
IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
}
+ if (changed & (IEEE80211_CONF_CHANGE_SMPS |
+ IEEE80211_CONF_CHANGE_CHANNEL)) {
+ /* mac80211 uses static for non-HT which is what we want */
+ priv->current_ht_config.smps = conf->smps_mode;
+
+ /*
+ * Recalculate chain counts.
+ *
+ * If monitor mode is enabled then mac80211 will
+ * set up the SM PS mode to OFF if an HT channel is
+ * configured.
+ */
+ if (priv->cfg->ops->hcmd->set_rxon_chain)
+ priv->cfg->ops->hcmd->set_rxon_chain(priv);
+ }
/* during scanning mac80211 will delay channel setting until
* scan finish with changed = 0
goto set_ch_out;
}
- if (priv->iw_mode == NL80211_IFTYPE_ADHOC &&
- !is_channel_ibss(ch_info)) {
- IWL_ERR(priv, "channel %d in band %d not "
- "IBSS channel\n",
- conf->channel->hw_value, conf->channel->band);
- ret = -EINVAL;
- goto set_ch_out;
- }
-
spin_lock_irqsave(&priv->lock, flags);
/* Configure HT40 channels */
iwl_set_tx_power(priv, conf->power_level, false);
}
- /* call to ensure that 4965 rx_chain is set properly in monitor mode */
- if (priv->cfg->ops->hcmd->set_rxon_chain)
- priv->cfg->ops->hcmd->set_rxon_chain(priv);
-
if (!iwl_is_ready(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
goto out;
}
EXPORT_SYMBOL(iwl_mac_config);
-int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
- struct ieee80211_tx_queue_stats *stats)
-{
- struct iwl_priv *priv = hw->priv;
- int i, avail;
- struct iwl_tx_queue *txq;
- struct iwl_queue *q;
- unsigned long flags;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
-
- if (!iwl_is_ready_rf(priv)) {
- IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
- return -EIO;
- }
-
- spin_lock_irqsave(&priv->lock, flags);
-
- for (i = 0; i < AC_NUM; i++) {
- txq = &priv->txq[i];
- q = &txq->q;
- avail = iwl_queue_space(q);
-
- stats[i].len = q->n_window - avail;
- stats[i].limit = q->n_window - q->high_mark;
- stats[i].count = q->n_window;
-
- }
- spin_unlock_irqrestore(&priv->lock, flags);
-
- IWL_DEBUG_MAC80211(priv, "leave\n");
-
- return 0;
-}
-EXPORT_SYMBOL(iwl_mac_get_tx_stats);
-
void iwl_mac_reset_tsf(struct ieee80211_hw *hw)
{
struct iwl_priv *priv = hw->priv;
spin_lock_irqsave(&priv->lock, flags);
priv->assoc_id = 0;
priv->assoc_capability = 0;
- priv->assoc_station_added = 0;
/* new association get rid of ibss beacon skb */
if (priv->ibss_beacon)
priv->beacon_int = priv->vif->bss_conf.beacon_int;
priv->timestamp = 0;
- if ((priv->iw_mode == NL80211_IFTYPE_STATION))
- priv->beacon_int = 0;
spin_unlock_irqrestore(&priv->lock, flags);
/* we are restarting association process
* clear RXON_FILTER_ASSOC_MSK bit
*/
- if (priv->iw_mode != NL80211_IFTYPE_AP) {
- iwl_scan_cancel_timeout(priv, 100);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwlcore_commit_rxon(priv);
- }
-
- if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
- IWL_DEBUG_MAC80211(priv, "leave - not in IBSS\n");
- mutex_unlock(&priv->mutex);
- return;
- }
+ iwl_scan_cancel_timeout(priv, 100);
+ priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+ iwlcore_commit_rxon(priv);
iwl_set_rate(priv);
EXPORT_SYMBOL(iwl_update_stats);
#endif
+const static char *get_csr_string(int cmd)
+{
+ switch (cmd) {
+ IWL_CMD(CSR_HW_IF_CONFIG_REG);
+ IWL_CMD(CSR_INT_COALESCING);
+ IWL_CMD(CSR_INT);
+ IWL_CMD(CSR_INT_MASK);
+ IWL_CMD(CSR_FH_INT_STATUS);
+ IWL_CMD(CSR_GPIO_IN);
+ IWL_CMD(CSR_RESET);
+ IWL_CMD(CSR_GP_CNTRL);
+ IWL_CMD(CSR_HW_REV);
+ IWL_CMD(CSR_EEPROM_REG);
+ IWL_CMD(CSR_EEPROM_GP);
+ IWL_CMD(CSR_OTP_GP_REG);
+ IWL_CMD(CSR_GIO_REG);
+ IWL_CMD(CSR_GP_UCODE_REG);
+ IWL_CMD(CSR_GP_DRIVER_REG);
+ IWL_CMD(CSR_UCODE_DRV_GP1);
+ IWL_CMD(CSR_UCODE_DRV_GP2);
+ IWL_CMD(CSR_LED_REG);
+ IWL_CMD(CSR_DRAM_INT_TBL_REG);
+ IWL_CMD(CSR_GIO_CHICKEN_BITS);
+ IWL_CMD(CSR_ANA_PLL_CFG);
+ IWL_CMD(CSR_HW_REV_WA_REG);
+ IWL_CMD(CSR_DBG_HPET_MEM_REG);
+ default:
+ return "UNKNOWN";
+
+ }
+}
+
+void iwl_dump_csr(struct iwl_priv *priv)
+{
+ int i;
+ u32 csr_tbl[] = {
+ CSR_HW_IF_CONFIG_REG,
+ CSR_INT_COALESCING,
+ CSR_INT,
+ CSR_INT_MASK,
+ CSR_FH_INT_STATUS,
+ CSR_GPIO_IN,
+ CSR_RESET,
+ CSR_GP_CNTRL,
+ CSR_HW_REV,
+ CSR_EEPROM_REG,
+ CSR_EEPROM_GP,
+ CSR_OTP_GP_REG,
+ CSR_GIO_REG,
+ CSR_GP_UCODE_REG,
+ CSR_GP_DRIVER_REG,
+ CSR_UCODE_DRV_GP1,
+ CSR_UCODE_DRV_GP2,
+ CSR_LED_REG,
+ CSR_DRAM_INT_TBL_REG,
+ CSR_GIO_CHICKEN_BITS,
+ CSR_ANA_PLL_CFG,
+ CSR_HW_REV_WA_REG,
+ CSR_DBG_HPET_MEM_REG
+ };
+ IWL_ERR(priv, "CSR values:\n");
+ IWL_ERR(priv, "(2nd byte of CSR_INT_COALESCING is "
+ "CSR_INT_PERIODIC_REG)\n");
+ for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) {
+ IWL_ERR(priv, " %25s: 0X%08x\n",
+ get_csr_string(csr_tbl[i]),
+ iwl_read32(priv, csr_tbl[i]));
+ }
+}
+EXPORT_SYMBOL(iwl_dump_csr);
+
+const static char *get_fh_string(int cmd)
+{
+ switch (cmd) {
+ IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG);
+ IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG);
+ IWL_CMD(FH_RSCSR_CHNL0_WPTR);
+ IWL_CMD(FH_MEM_RCSR_CHNL0_CONFIG_REG);
+ IWL_CMD(FH_MEM_RSSR_SHARED_CTRL_REG);
+ IWL_CMD(FH_MEM_RSSR_RX_STATUS_REG);
+ IWL_CMD(FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV);
+ IWL_CMD(FH_TSSR_TX_STATUS_REG);
+ IWL_CMD(FH_TSSR_TX_ERROR_REG);
+ default:
+ return "UNKNOWN";
+
+ }
+}
+
+int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display)
+{
+ int i;
+#ifdef CONFIG_IWLWIFI_DEBUG
+ int pos = 0;
+ size_t bufsz = 0;
+#endif
+ u32 fh_tbl[] = {
+ FH_RSCSR_CHNL0_STTS_WPTR_REG,
+ FH_RSCSR_CHNL0_RBDCB_BASE_REG,
+ FH_RSCSR_CHNL0_WPTR,
+ FH_MEM_RCSR_CHNL0_CONFIG_REG,
+ FH_MEM_RSSR_SHARED_CTRL_REG,
+ FH_MEM_RSSR_RX_STATUS_REG,
+ FH_MEM_RSSR_RX_ENABLE_ERR_IRQ2DRV,
+ FH_TSSR_TX_STATUS_REG,
+ FH_TSSR_TX_ERROR_REG
+ };
+#ifdef CONFIG_IWLWIFI_DEBUG
+ if (display) {
+ bufsz = ARRAY_SIZE(fh_tbl) * 48 + 40;
+ *buf = kmalloc(bufsz, GFP_KERNEL);
+ if (!*buf)
+ return -ENOMEM;
+ pos += scnprintf(*buf + pos, bufsz - pos,
+ "FH register values:\n");
+ for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) {
+ pos += scnprintf(*buf + pos, bufsz - pos,
+ " %34s: 0X%08x\n",
+ get_fh_string(fh_tbl[i]),
+ iwl_read_direct32(priv, fh_tbl[i]));
+ }
+ return pos;
+ }
+#endif
+ IWL_ERR(priv, "FH register values:\n");
+ for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) {
+ IWL_ERR(priv, " %34s: 0X%08x\n",
+ get_fh_string(fh_tbl[i]),
+ iwl_read_direct32(priv, fh_tbl[i]));
+ }
+ return 0;
+}
+EXPORT_SYMBOL(iwl_dump_fh);
+
+static void iwl_force_rf_reset(struct iwl_priv *priv)
+{
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ if (!iwl_is_associated(priv)) {
+ IWL_DEBUG_SCAN(priv, "force reset rejected: not associated\n");
+ return;
+ }
+ /*
+ * There is no easy and better way to force reset the radio,
+ * the only known method is switching channel which will force to
+ * reset and tune the radio.
+ * Use internal short scan (single channel) operation to should
+ * achieve this objective.
+ * Driver should reset the radio when number of consecutive missed
+ * beacon, or any other uCode error condition detected.
+ */
+ IWL_DEBUG_INFO(priv, "perform radio reset.\n");
+ iwl_internal_short_hw_scan(priv);
+ return;
+}
+
+
+int iwl_force_reset(struct iwl_priv *priv, int mode)
+{
+ struct iwl_force_reset *force_reset;
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return -EINVAL;
+
+ if (mode >= IWL_MAX_FORCE_RESET) {
+ IWL_DEBUG_INFO(priv, "invalid reset request.\n");
+ return -EINVAL;
+ }
+ force_reset = &priv->force_reset[mode];
+ force_reset->reset_request_count++;
+ if (force_reset->last_force_reset_jiffies &&
+ time_after(force_reset->last_force_reset_jiffies +
+ force_reset->reset_duration, jiffies)) {
+ IWL_DEBUG_INFO(priv, "force reset rejected\n");
+ force_reset->reset_reject_count++;
+ return -EAGAIN;
+ }
+ force_reset->reset_success_count++;
+ force_reset->last_force_reset_jiffies = jiffies;
+ IWL_DEBUG_INFO(priv, "perform force reset (%d)\n", mode);
+ switch (mode) {
+ case IWL_RF_RESET:
+ iwl_force_rf_reset(priv);
+ break;
+ case IWL_FW_RESET:
+ 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);
+ break;
+ }
+ return 0;
+}
+
#ifdef CONFIG_PM
int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state)
projects / linux.git / blobdiff