*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2008 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 2009 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
* in the file called LICENSE.GPL.
*
* Contact Information:
- * Tomas Winkler <tomas.winkler@intel.com>
+ * Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*****************************************************************************/
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/etherdevice.h>
#include <net/mac80211.h>
-struct iwl_priv; /* FIXME: remove */
-#include "iwl-debug.h"
#include "iwl-eeprom.h"
#include "iwl-dev.h" /* FIXME: remove */
+#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"
MODULE_DESCRIPTION("iwl core");
MODULE_VERSION(IWLWIFI_VERSION);
-MODULE_AUTHOR(DRV_COPYRIGHT);
+MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
MODULE_LICENSE("GPL");
#define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \
IWL_RATE_##pp##M_INDEX, \
IWL_RATE_##np##M_INDEX }
+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
if (rate_n_flags & RATE_MCS_HT_MSK) {
idx = (rate_n_flags & 0xff);
- if (idx >= IWL_RATE_MIMO2_6M_PLCP)
+ if (idx >= IWL_RATE_MIMO3_6M_PLCP)
+ idx = idx - IWL_RATE_MIMO3_6M_PLCP;
+ else if (idx >= IWL_RATE_MIMO2_6M_PLCP)
idx = idx - IWL_RATE_MIMO2_6M_PLCP;
idx += IWL_FIRST_OFDM_RATE;
}
EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx);
-
+u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant)
+{
+ int i;
+ u8 ind = ant;
+ for (i = 0; i < RATE_ANT_NUM - 1; i++) {
+ ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0;
+ if (priv->hw_params.valid_tx_ant & BIT(ind))
+ return ind;
+ }
+ return ant;
+}
const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
EXPORT_SYMBOL(iwl_bcast_addr);
struct ieee80211_hw *hw =
ieee80211_alloc_hw(sizeof(struct iwl_priv), hw_ops);
if (hw == NULL) {
- IWL_ERROR("Can not allocate network device\n");
+ printk(KERN_ERR "%s: Can not allocate network device\n",
+ cfg->name);
goto out;
}
}
EXPORT_SYMBOL(iwl_hw_detect);
-/* Tell nic where to find the "keep warm" buffer */
-int iwl_kw_init(struct iwl_priv *priv)
-{
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&priv->lock, flags);
- ret = iwl_grab_nic_access(priv);
- if (ret)
- goto out;
-
- iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG,
- priv->kw.dma_addr >> 4);
- iwl_release_nic_access(priv);
-out:
- spin_unlock_irqrestore(&priv->lock, flags);
- return ret;
-}
-
-int iwl_kw_alloc(struct iwl_priv *priv)
-{
- struct pci_dev *dev = priv->pci_dev;
- struct iwl_kw *kw = &priv->kw;
-
- kw->size = IWL_KW_SIZE;
- kw->v_addr = pci_alloc_consistent(dev, kw->size, &kw->dma_addr);
- if (!kw->v_addr)
- return -ENOMEM;
-
- return 0;
-}
-
-/**
- * iwl_kw_free - Free the "keep warm" buffer
- */
-void iwl_kw_free(struct iwl_priv *priv)
-{
- struct pci_dev *dev = priv->pci_dev;
- struct iwl_kw *kw = &priv->kw;
-
- if (kw->v_addr) {
- pci_free_consistent(dev, kw->size, kw->v_addr, kw->dma_addr);
- memset(kw, 0, sizeof(*kw));
- }
-}
-
int iwl_hw_nic_init(struct iwl_priv *priv)
{
unsigned long flags;
if (!rxq->bd) {
ret = iwl_rx_queue_alloc(priv);
if (ret) {
- IWL_ERROR("Unable to initialize Rx queue\n");
+ IWL_ERR(priv, "Unable to initialize Rx queue\n");
return -ENOMEM;
}
} else
}
EXPORT_SYMBOL(iwl_hw_nic_init);
-/**
- * iwl_clear_stations_table - Clear the driver's station table
- *
- * NOTE: This does not clear or otherwise alter the device's station table.
- */
-void iwl_clear_stations_table(struct iwl_priv *priv)
+/*
+ * QoS support
+*/
+void iwl_activate_qos(struct iwl_priv *priv, u8 force)
{
- unsigned long flags;
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
- spin_lock_irqsave(&priv->sta_lock, flags);
+ priv->qos_data.def_qos_parm.qos_flags = 0;
+
+ if (priv->qos_data.qos_cap.q_AP.queue_request &&
+ !priv->qos_data.qos_cap.q_AP.txop_request)
+ priv->qos_data.def_qos_parm.qos_flags |=
+ QOS_PARAM_FLG_TXOP_TYPE_MSK;
+ if (priv->qos_data.qos_active)
+ priv->qos_data.def_qos_parm.qos_flags |=
+ QOS_PARAM_FLG_UPDATE_EDCA_MSK;
- if (iwl_is_alive(priv) &&
- !test_bit(STATUS_EXIT_PENDING, &priv->status) &&
- iwl_send_cmd_pdu_async(priv, REPLY_REMOVE_ALL_STA, 0, NULL, NULL))
- IWL_ERROR("Couldn't clear the station table\n");
+ if (priv->current_ht_config.is_ht)
+ priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
- priv->num_stations = 0;
- memset(priv->stations, 0, sizeof(priv->stations));
+ if (force || iwl_is_associated(priv)) {
+ IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n",
+ priv->qos_data.qos_active,
+ priv->qos_data.def_qos_parm.qos_flags);
- spin_unlock_irqrestore(&priv->sta_lock, flags);
+ iwl_send_cmd_pdu_async(priv, REPLY_QOS_PARAM,
+ sizeof(struct iwl_qosparam_cmd),
+ &priv->qos_data.def_qos_parm, NULL);
+ }
}
-EXPORT_SYMBOL(iwl_clear_stations_table);
+EXPORT_SYMBOL(iwl_activate_qos);
+/*
+ * AC CWmin CW max AIFSN TXOP Limit TXOP Limit
+ * (802.11b) (802.11a/g)
+ * AC_BK 15 1023 7 0 0
+ * AC_BE 15 1023 3 0 0
+ * AC_VI 7 15 2 6.016ms 3.008ms
+ * AC_VO 3 7 2 3.264ms 1.504ms
+ */
void iwl_reset_qos(struct iwl_priv *priv)
{
u16 cw_min = 15;
u16 cw_max = 1023;
u8 aifs = 2;
- u8 is_legacy = 0;
+ bool is_legacy = false;
unsigned long flags;
int i;
spin_lock_irqsave(&priv->lock, flags);
- priv->qos_data.qos_active = 0;
+ /* QoS always active in AP and ADHOC mode
+ * In STA mode wait for association
+ */
+ if (priv->iw_mode == NL80211_IFTYPE_ADHOC ||
+ priv->iw_mode == NL80211_IFTYPE_AP)
+ priv->qos_data.qos_active = 1;
+ else
+ priv->qos_data.qos_active = 0;
- if (priv->iw_mode == NL80211_IFTYPE_ADHOC) {
- if (priv->qos_data.qos_enable)
- priv->qos_data.qos_active = 1;
- if (!(priv->active_rate & 0xfff0)) {
- cw_min = 31;
- is_legacy = 1;
- }
- } else if (priv->iw_mode == NL80211_IFTYPE_AP) {
- if (priv->qos_data.qos_enable)
- priv->qos_data.qos_active = 1;
- } else if (!(priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK)) {
+ /* check for legacy mode */
+ if ((priv->iw_mode == NL80211_IFTYPE_ADHOC &&
+ (priv->active_rate & IWL_OFDM_RATES_MASK) == 0) ||
+ (priv->iw_mode == NL80211_IFTYPE_STATION &&
+ (priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK) == 0)) {
cw_min = 31;
is_legacy = 1;
}
if (priv->qos_data.qos_active)
aifs = 3;
+ /* AC_BE */
priv->qos_data.def_qos_parm.ac[0].cw_min = cpu_to_le16(cw_min);
priv->qos_data.def_qos_parm.ac[0].cw_max = cpu_to_le16(cw_max);
priv->qos_data.def_qos_parm.ac[0].aifsn = aifs;
priv->qos_data.def_qos_parm.ac[0].reserved1 = 0;
if (priv->qos_data.qos_active) {
+ /* AC_BK */
i = 1;
priv->qos_data.def_qos_parm.ac[i].cw_min = cpu_to_le16(cw_min);
priv->qos_data.def_qos_parm.ac[i].cw_max = cpu_to_le16(cw_max);
priv->qos_data.def_qos_parm.ac[i].edca_txop = 0;
priv->qos_data.def_qos_parm.ac[i].reserved1 = 0;
+ /* AC_VI */
i = 2;
priv->qos_data.def_qos_parm.ac[i].cw_min =
cpu_to_le16((cw_min + 1) / 2 - 1);
priv->qos_data.def_qos_parm.ac[i].cw_max =
- cpu_to_le16(cw_max);
+ cpu_to_le16(cw_min);
priv->qos_data.def_qos_parm.ac[i].aifsn = 2;
if (is_legacy)
priv->qos_data.def_qos_parm.ac[i].edca_txop =
cpu_to_le16(3008);
priv->qos_data.def_qos_parm.ac[i].reserved1 = 0;
+ /* AC_VO */
i = 3;
priv->qos_data.def_qos_parm.ac[i].cw_min =
cpu_to_le16((cw_min + 1) / 4 - 1);
priv->qos_data.def_qos_parm.ac[i].cw_max =
- cpu_to_le16((cw_max + 1) / 2 - 1);
+ cpu_to_le16((cw_min + 1) / 2 - 1);
priv->qos_data.def_qos_parm.ac[i].aifsn = 2;
priv->qos_data.def_qos_parm.ac[i].reserved1 = 0;
if (is_legacy)
priv->qos_data.def_qos_parm.ac[i].reserved1 = 0;
}
}
- IWL_DEBUG_QOS("set QoS to default \n");
+ IWL_DEBUG_QOS(priv, "set QoS to default \n");
spin_unlock_irqrestore(&priv->lock, flags);
}
}
}
+
/**
* iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom
*/
-static int iwlcore_init_geos(struct iwl_priv *priv)
+int iwlcore_init_geos(struct iwl_priv *priv)
{
struct iwl_channel_info *ch;
struct ieee80211_supported_band *sband;
if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
- IWL_DEBUG_INFO("Geography modes already initialized.\n");
+ IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n");
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
priv->ieee_channels = channels;
priv->ieee_rates = rates;
- iwlcore_init_hw_rates(priv, rates);
-
for (i = 0; i < priv->channel_count; i++) {
ch = &priv->channel_info[i];
/* Save flags for reg domain usage */
geo_ch->orig_flags = geo_ch->flags;
- IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
+ IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
ch->channel, geo_ch->center_freq,
is_channel_a_band(ch) ? "5.2" : "2.4",
geo_ch->flags & IEEE80211_CHAN_DISABLED ?
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
priv->cfg->sku & IWL_SKU_A) {
- printk(KERN_INFO DRV_NAME
- ": Incorrectly detected BG card as ABG. Please send "
- "your PCI ID 0x%04X:0x%04X to maintainer.\n",
- priv->pci_dev->device, priv->pci_dev->subsystem_device);
+ IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
+ "Please send your PCI ID 0x%04X:0x%04X to maintainer.\n",
+ priv->pci_dev->device,
+ priv->pci_dev->subsystem_device);
priv->cfg->sku &= ~IWL_SKU_A;
}
- printk(KERN_INFO DRV_NAME
- ": Tunable channels: %d 802.11bg, %d 802.11a channels\n",
- priv->bands[IEEE80211_BAND_2GHZ].n_channels,
- priv->bands[IEEE80211_BAND_5GHZ].n_channels);
-
+ IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
+ priv->bands[IEEE80211_BAND_2GHZ].n_channels,
+ priv->bands[IEEE80211_BAND_5GHZ].n_channels);
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
+EXPORT_SYMBOL(iwlcore_init_geos);
/*
* iwlcore_free_geos - undo allocations in iwlcore_init_geos
*/
-static void iwlcore_free_geos(struct iwl_priv *priv)
+void iwlcore_free_geos(struct iwl_priv *priv)
{
kfree(priv->ieee_channels);
kfree(priv->ieee_rates);
clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
}
+EXPORT_SYMBOL(iwlcore_free_geos);
static bool is_single_rx_stream(struct iwl_priv *priv)
{
if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
return !(ch_info->fat_extension_channel &
- IEEE80211_CHAN_NO_FAT_ABOVE);
+ IEEE80211_CHAN_NO_HT40PLUS);
else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW)
return !(ch_info->fat_extension_channel &
- IEEE80211_CHAN_NO_FAT_BELOW);
+ IEEE80211_CHAN_NO_HT40MINUS);
return 0;
}
struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config;
if ((!iwl_ht_conf->is_ht) ||
- (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ) ||
- (iwl_ht_conf->extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE))
+ (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ))
return 0;
+ /* We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
+ * the bit will not set if it is pure 40MHz case
+ */
if (sta_ht_inf) {
- if ((!sta_ht_inf->ht_supported) ||
- (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)))
+ if (!sta_ht_inf->ht_supported)
return 0;
}
-
return iwl_is_channel_extension(priv, priv->band,
- le16_to_cpu(priv->staging_rxon.channel),
- iwl_ht_conf->extension_chan_offset);
+ le16_to_cpu(priv->staging_rxon.channel),
+ iwl_ht_conf->extension_chan_offset);
}
EXPORT_SYMBOL(iwl_is_fat_tx_allowed);
+static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
+{
+ u16 new_val = 0;
+ u16 beacon_factor = 0;
+
+ beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val;
+ new_val = beacon_val / beacon_factor;
+
+ if (!new_val)
+ new_val = max_beacon_val;
+
+ return new_val;
+}
+
+void iwl_setup_rxon_timing(struct iwl_priv *priv)
+{
+ u64 tsf;
+ s32 interval_tm, rem;
+ unsigned long flags;
+ struct ieee80211_conf *conf = NULL;
+ u16 beacon_int;
+
+ conf = ieee80211_get_hw_conf(priv->hw);
+
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->rxon_timing.timestamp = cpu_to_le64(priv->timestamp);
+ priv->rxon_timing.listen_interval = cpu_to_le16(conf->listen_interval);
+
+ if (priv->iw_mode == NL80211_IFTYPE_STATION) {
+ beacon_int = priv->beacon_int;
+ priv->rxon_timing.atim_window = 0;
+ } else {
+ beacon_int = priv->vif->bss_conf.beacon_int;
+
+ /* TODO: we need to get atim_window from upper stack
+ * for now we set to 0 */
+ priv->rxon_timing.atim_window = 0;
+ }
+
+ beacon_int = iwl_adjust_beacon_interval(beacon_int,
+ priv->hw_params.max_beacon_itrvl * 1024);
+ priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int);
+
+ tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
+ interval_tm = beacon_int * 1024;
+ rem = do_div(tsf, interval_tm);
+ priv->rxon_timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+ IWL_DEBUG_ASSOC(priv,
+ "beacon interval %d beacon timer %d beacon tim %d\n",
+ le16_to_cpu(priv->rxon_timing.beacon_interval),
+ le32_to_cpu(priv->rxon_timing.beacon_init_val),
+ le16_to_cpu(priv->rxon_timing.atim_window));
+}
+EXPORT_SYMBOL(iwl_setup_rxon_timing);
+
+void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt)
+{
+ struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+
+ if (hw_decrypt)
+ rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
+ else
+ rxon->filter_flags |= RXON_FILTER_DIS_DECRYPT_MSK;
+
+}
+EXPORT_SYMBOL(iwl_set_rxon_hwcrypto);
+
+/**
+ * iwl_check_rxon_cmd - validate RXON structure is valid
+ *
+ * NOTE: This is really only useful during development and can eventually
+ * be #ifdef'd out once the driver is stable and folks aren't actively
+ * making changes
+ */
+int iwl_check_rxon_cmd(struct iwl_priv *priv)
+{
+ int error = 0;
+ int counter = 1;
+ struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+
+ if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
+ error |= le32_to_cpu(rxon->flags &
+ (RXON_FLG_TGJ_NARROW_BAND_MSK |
+ RXON_FLG_RADAR_DETECT_MSK));
+ if (error)
+ IWL_WARN(priv, "check 24G fields %d | %d\n",
+ counter++, error);
+ } else {
+ error |= (rxon->flags & RXON_FLG_SHORT_SLOT_MSK) ?
+ 0 : le32_to_cpu(RXON_FLG_SHORT_SLOT_MSK);
+ if (error)
+ IWL_WARN(priv, "check 52 fields %d | %d\n",
+ counter++, error);
+ error |= le32_to_cpu(rxon->flags & RXON_FLG_CCK_MSK);
+ if (error)
+ IWL_WARN(priv, "check 52 CCK %d | %d\n",
+ counter++, error);
+ }
+ error |= (rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1;
+ if (error)
+ IWL_WARN(priv, "check mac addr %d | %d\n", counter++, error);
+
+ /* make sure basic rates 6Mbps and 1Mbps are supported */
+ error |= (((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0) &&
+ ((rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0));
+ if (error)
+ IWL_WARN(priv, "check basic rate %d | %d\n", counter++, error);
+
+ error |= (le16_to_cpu(rxon->assoc_id) > 2007);
+ if (error)
+ IWL_WARN(priv, "check assoc id %d | %d\n", counter++, error);
+
+ error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
+ == (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK));
+ if (error)
+ IWL_WARN(priv, "check CCK and short slot %d | %d\n",
+ counter++, error);
+
+ error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
+ == (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK));
+ if (error)
+ IWL_WARN(priv, "check CCK & auto detect %d | %d\n",
+ counter++, error);
+
+ error |= ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
+ RXON_FLG_TGG_PROTECT_MSK)) == RXON_FLG_TGG_PROTECT_MSK);
+ if (error)
+ IWL_WARN(priv, "check TGG and auto detect %d | %d\n",
+ counter++, error);
+
+ if (error)
+ IWL_WARN(priv, "Tuning to channel %d\n",
+ le16_to_cpu(rxon->channel));
+
+ if (error) {
+ IWL_ERR(priv, "Not a valid iwl_rxon_assoc_cmd field values\n");
+ return -1;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(iwl_check_rxon_cmd);
+
+/**
+ * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
+ * @priv: staging_rxon is compared to active_rxon
+ *
+ * If the RXON structure is changing enough to require a new tune,
+ * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
+ * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
+ */
+int iwl_full_rxon_required(struct iwl_priv *priv)
+{
+
+ /* These items are only settable from the full RXON command */
+ if (!(iwl_is_associated(priv)) ||
+ compare_ether_addr(priv->staging_rxon.bssid_addr,
+ priv->active_rxon.bssid_addr) ||
+ compare_ether_addr(priv->staging_rxon.node_addr,
+ priv->active_rxon.node_addr) ||
+ compare_ether_addr(priv->staging_rxon.wlap_bssid_addr,
+ priv->active_rxon.wlap_bssid_addr) ||
+ (priv->staging_rxon.dev_type != priv->active_rxon.dev_type) ||
+ (priv->staging_rxon.channel != priv->active_rxon.channel) ||
+ (priv->staging_rxon.air_propagation !=
+ priv->active_rxon.air_propagation) ||
+ (priv->staging_rxon.ofdm_ht_single_stream_basic_rates !=
+ priv->active_rxon.ofdm_ht_single_stream_basic_rates) ||
+ (priv->staging_rxon.ofdm_ht_dual_stream_basic_rates !=
+ priv->active_rxon.ofdm_ht_dual_stream_basic_rates) ||
+ (priv->staging_rxon.ofdm_ht_triple_stream_basic_rates !=
+ priv->active_rxon.ofdm_ht_triple_stream_basic_rates) ||
+ (priv->staging_rxon.assoc_id != priv->active_rxon.assoc_id))
+ return 1;
+
+ /* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
+ * be updated with the RXON_ASSOC command -- however only some
+ * flag transitions are allowed using RXON_ASSOC */
+
+ /* Check if we are not switching bands */
+ if ((priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) !=
+ (priv->active_rxon.flags & RXON_FLG_BAND_24G_MSK))
+ return 1;
+
+ /* Check if we are switching association toggle */
+ if ((priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) !=
+ (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK))
+ return 1;
+
+ return 0;
+}
+EXPORT_SYMBOL(iwl_full_rxon_required);
+
+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 */
+ if (priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)
+ return IWL_RATE_1M_PLCP;
+ else
+ return IWL_RATE_6M_PLCP;
+}
+EXPORT_SYMBOL(iwl_rate_get_lowest_plcp);
+
void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
{
struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
- u32 val;
if (!ht_info->is_ht) {
- rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
- RXON_FLG_CHANNEL_MODE_PURE_40_MSK |
+ rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
RXON_FLG_FAT_PROT_MSK |
RXON_FLG_HT_PROT_MSK);
return;
}
- /* Set up channel bandwidth: 20 MHz only, or 20/40 mixed if fat ok */
- if (iwl_is_fat_tx_allowed(priv, NULL))
- rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED_MSK;
- else
- rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
- RXON_FLG_CHANNEL_MODE_PURE_40_MSK);
-
- /* Note: control channel is opposite of extension channel */
- switch (ht_info->extension_chan_offset) {
- case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
- rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
- break;
- case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
- rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
- break;
- case IEEE80211_HT_PARAM_CHA_SEC_NONE:
- default:
- rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK;
- break;
+ /* FIXME: if the definition of ht_protection changed, the "translation"
+ * will be needed for rxon->flags
+ */
+ rxon->flags |= cpu_to_le32(ht_info->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS);
+
+ /* Set up channel bandwidth:
+ * 20 MHz only, 20/40 mixed or pure 40 if fat ok */
+ /* clear the HT channel mode before set the mode */
+ rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
+ RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
+ if (iwl_is_fat_tx_allowed(priv, NULL)) {
+ /* pure 40 fat */
+ if (ht_info->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
+ rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40;
+ /* Note: control channel is opposite of extension channel */
+ switch (ht_info->extension_chan_offset) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+ rxon->flags &= ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
+ break;
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+ rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
+ break;
+ }
+ } else {
+ /* Note: control channel is opposite of extension channel */
+ switch (ht_info->extension_chan_offset) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
+ rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
+ rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED;
+ break;
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
+ rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
+ rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED;
+ break;
+ case IEEE80211_HT_PARAM_CHA_SEC_NONE:
+ default:
+ /* channel location only valid if in Mixed mode */
+ IWL_ERR(priv, "invalid extension channel offset\n");
+ break;
+ }
+ }
+ } else {
+ rxon->flags |= RXON_FLG_CHANNEL_MODE_LEGACY;
}
- val = ht_info->ht_protection;
+ if (priv->cfg->ops->hcmd->set_rxon_chain)
+ priv->cfg->ops->hcmd->set_rxon_chain(priv);
- rxon->flags |= cpu_to_le32(val << RXON_FLG_HT_OPERATING_MODE_POS);
-
- iwl_set_rxon_chain(priv);
-
- IWL_DEBUG_ASSOC("supported HT rate 0x%X 0x%X 0x%X "
+ IWL_DEBUG_ASSOC(priv, "supported HT rate 0x%X 0x%X 0x%X "
"rxon flags 0x%X operation mode :0x%X "
"extension channel offset 0x%x\n",
ht_info->mcs.rx_mask[0],
break;
case WLAN_HT_CAP_SM_PS_INVALID:
default:
- IWL_ERROR("invalide mimo ps mode %d\n",
+ IWL_ERR(priv, "invalid mimo ps mode %d\n",
priv->current_ht_config.sm_ps);
WARN_ON(1);
idle_cnt = -1;
return res;
}
+/**
+ * iwl_is_monitor_mode - Determine if interface in monitor mode
+ *
+ * priv->iw_mode is set in add_interface, but add_interface is
+ * never called for monitor mode. The only way mac80211 informs us about
+ * monitor mode is through configuring filters (call to configure_filter).
+ */
+bool iwl_is_monitor_mode(struct iwl_priv *priv)
+{
+ return !!(priv->staging_rxon.filter_flags & RXON_FILTER_PROMISC_MSK);
+}
+EXPORT_SYMBOL(iwl_is_monitor_mode);
+
/**
* iwl_set_rxon_chain - Set up Rx chain usage in "staging" RXON image
*
rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS;
rx_chain |= idle_rx_cnt << RXON_RX_CHAIN_CNT_POS;
+ /* copied from 'iwl_bg_request_scan()' */
+ /* Force use of chains B and C (0x6) for Rx for 4965
+ * Avoid A (0x1) because of its off-channel reception on A-band.
+ * MIMO is not used here, but value is required */
+ if (iwl_is_monitor_mode(priv) &&
+ !(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) &&
+ ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965)) {
+ rx_chain = ANT_ABC << RXON_RX_CHAIN_VALID_POS;
+ rx_chain |= ANT_BC << RXON_RX_CHAIN_FORCE_SEL_POS;
+ rx_chain |= ANT_ABC << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
+ rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS;
+ }
+
priv->staging_rxon.rx_chain = cpu_to_le16(rx_chain);
if (!is_single && (active_rx_cnt >= IWL_NUM_RX_CHAINS_SINGLE) && is_cam)
else
priv->staging_rxon.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
- IWL_DEBUG_ASSOC("rx_chain=0x%X active=%d idle=%d\n",
+ IWL_DEBUG_ASSOC(priv, "rx_chain=0x%X active=%d idle=%d\n",
priv->staging_rxon.rx_chain,
active_rx_cnt, idle_rx_cnt);
u16 channel = ieee80211_frequency_to_channel(ch->center_freq);
if (!iwl_get_channel_info(priv, band, channel)) {
- IWL_DEBUG_INFO("Could not set channel to %d [%d]\n",
+ IWL_DEBUG_INFO(priv, "Could not set channel to %d [%d]\n",
channel, band);
return -EINVAL;
}
priv->band = band;
- IWL_DEBUG_INFO("Staging channel set to %d [%d]\n", channel, band);
+ IWL_DEBUG_INFO(priv, "Staging channel set to %d [%d]\n", channel, band);
return 0;
}
EXPORT_SYMBOL(iwl_set_rxon_channel);
-int iwl_setup_mac(struct iwl_priv *priv)
+void iwl_set_flags_for_band(struct iwl_priv *priv,
+ enum ieee80211_band band)
{
- int ret;
- struct ieee80211_hw *hw = priv->hw;
- hw->rate_control_algorithm = "iwl-agn-rs";
-
- /* Tell mac80211 our characteristics */
- hw->flags = IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_NOISE_DBM;
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC);
- /* Default value; 4 EDCA QOS priorities */
- hw->queues = 4;
- /* queues to support 11n aggregation */
- if (priv->cfg->sku & IWL_SKU_N)
- hw->ampdu_queues = priv->cfg->mod_params->num_of_ampdu_queues;
-
- hw->conf.beacon_int = 100;
- hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
+ if (band == IEEE80211_BAND_5GHZ) {
+ priv->staging_rxon.flags &=
+ ~(RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK
+ | RXON_FLG_CCK_MSK);
+ priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
+ } else {
+ /* Copied from iwl_post_associate() */
+ if (priv->assoc_capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
+ priv->staging_rxon.flags |= RXON_FLG_SHORT_SLOT_MSK;
+ else
+ priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
- if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
- priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
- &priv->bands[IEEE80211_BAND_2GHZ];
- if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
- priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
- &priv->bands[IEEE80211_BAND_5GHZ];
+ if (priv->iw_mode == NL80211_IFTYPE_ADHOC)
+ priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
- ret = ieee80211_register_hw(priv->hw);
- if (ret) {
- IWL_ERROR("Failed to register hw (error %d)\n", ret);
- return ret;
+ priv->staging_rxon.flags |= RXON_FLG_BAND_24G_MSK;
+ priv->staging_rxon.flags |= RXON_FLG_AUTO_DETECT_MSK;
+ priv->staging_rxon.flags &= ~RXON_FLG_CCK_MSK;
}
- priv->mac80211_registered = 1;
-
- return 0;
}
-EXPORT_SYMBOL(iwl_setup_mac);
+EXPORT_SYMBOL(iwl_set_flags_for_band);
-int iwl_set_hw_params(struct iwl_priv *priv)
+/*
+ * initialize rxon structure with default values from eeprom
+ */
+void iwl_connection_init_rx_config(struct iwl_priv *priv, int mode)
{
- priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto;
- priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
- priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
- if (priv->cfg->mod_params->amsdu_size_8K)
- priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_8K;
- else
- priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K;
- priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256;
+ const struct iwl_channel_info *ch_info;
- if (priv->cfg->mod_params->disable_11n)
- priv->cfg->sku &= ~IWL_SKU_N;
+ memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
- /* Device-specific setup */
- return priv->cfg->ops->lib->set_hw_params(priv);
-}
-EXPORT_SYMBOL(iwl_set_hw_params);
+ switch (mode) {
+ case NL80211_IFTYPE_AP:
+ priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
+ break;
-int iwl_init_drv(struct iwl_priv *priv)
-{
- int ret;
+ case NL80211_IFTYPE_STATION:
+ priv->staging_rxon.dev_type = RXON_DEV_TYPE_ESS;
+ priv->staging_rxon.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
+ break;
- priv->retry_rate = 1;
- priv->ibss_beacon = NULL;
+ case NL80211_IFTYPE_ADHOC:
+ priv->staging_rxon.dev_type = RXON_DEV_TYPE_IBSS;
+ priv->staging_rxon.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
+ priv->staging_rxon.filter_flags = RXON_FILTER_BCON_AWARE_MSK |
+ RXON_FILTER_ACCEPT_GRP_MSK;
+ break;
- spin_lock_init(&priv->lock);
- spin_lock_init(&priv->power_data.lock);
- spin_lock_init(&priv->sta_lock);
- spin_lock_init(&priv->hcmd_lock);
+ default:
+ IWL_ERR(priv, "Unsupported interface type %d\n", mode);
+ break;
+ }
- INIT_LIST_HEAD(&priv->free_frames);
+#if 0
+ /* TODO: Figure out when short_preamble would be set and cache from
+ * that */
+ if (!hw_to_local(priv->hw)->short_preamble)
+ priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+ else
+ priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+#endif
- mutex_init(&priv->mutex);
+ ch_info = iwl_get_channel_info(priv, priv->band,
+ le16_to_cpu(priv->active_rxon.channel));
- /* Clear the driver's (not device's) station table */
- iwl_clear_stations_table(priv);
+ if (!ch_info)
+ ch_info = &priv->channel_info[0];
- priv->data_retry_limit = -1;
- priv->ieee_channels = NULL;
- priv->ieee_rates = NULL;
- priv->band = IEEE80211_BAND_2GHZ;
+ /*
+ * 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;
+
+ iwl_set_flags_for_band(priv, priv->band);
+
+ priv->staging_rxon.ofdm_basic_rates =
+ (IWL_OFDM_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
+ priv->staging_rxon.cck_basic_rates =
+ (IWL_CCK_RATES_MASK >> IWL_FIRST_CCK_RATE) & 0xF;
+
+ /* clear both MIX and PURE40 mode flag */
+ priv->staging_rxon.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED |
+ RXON_FLG_CHANNEL_MODE_PURE_40);
+ memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
+ memcpy(priv->staging_rxon.wlap_bssid_addr, priv->mac_addr, ETH_ALEN);
+ priv->staging_rxon.ofdm_ht_single_stream_basic_rates = 0xff;
+ priv->staging_rxon.ofdm_ht_dual_stream_basic_rates = 0xff;
+ priv->staging_rxon.ofdm_ht_triple_stream_basic_rates = 0xff;
+}
+EXPORT_SYMBOL(iwl_connection_init_rx_config);
- priv->iw_mode = NL80211_IFTYPE_STATION;
+static void iwl_set_rate(struct iwl_priv *priv)
+{
+ const struct ieee80211_supported_band *hw = NULL;
+ struct ieee80211_rate *rate;
+ int i;
- priv->use_ant_b_for_management_frame = 1; /* start with ant B */
- priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
+ hw = iwl_get_hw_mode(priv, priv->band);
+ if (!hw) {
+ IWL_ERR(priv, "Failed to set rate: unable to get hw mode\n");
+ return;
+ }
- /* Choose which receivers/antennas to use */
- iwl_set_rxon_chain(priv);
- iwl_init_scan_params(priv);
+ priv->active_rate = 0;
+ priv->active_rate_basic = 0;
- if (priv->cfg->mod_params->enable_qos)
- priv->qos_data.qos_enable = 1;
+ for (i = 0; i < hw->n_bitrates; i++) {
+ rate = &(hw->bitrates[i]);
+ if (rate->hw_value < IWL_RATE_COUNT)
+ priv->active_rate |= (1 << rate->hw_value);
+ }
- iwl_reset_qos(priv);
+ IWL_DEBUG_RATE(priv, "Set active_rate = %0x, active_rate_basic = %0x\n",
+ priv->active_rate, priv->active_rate_basic);
- priv->qos_data.qos_active = 0;
- priv->qos_data.qos_cap.val = 0;
+ /*
+ * 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->rates_mask = IWL_RATES_MASK;
- /* If power management is turned on, default to AC mode */
- priv->power_mode = IWL_POWER_AC;
- priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MAX;
+void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+ struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
+ struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
+ IWL_DEBUG_11H(priv, "CSA notif: channel %d, status %d\n",
+ le16_to_cpu(csa->channel), le32_to_cpu(csa->status));
+ rxon->channel = csa->channel;
+ priv->staging_rxon.channel = csa->channel;
+}
+EXPORT_SYMBOL(iwl_rx_csa);
- ret = iwl_init_channel_map(priv);
- if (ret) {
- IWL_ERROR("initializing regulatory failed: %d\n", ret);
- goto err;
- }
+#ifdef CONFIG_IWLWIFI_DEBUG
+static void iwl_print_rx_config_cmd(struct iwl_priv *priv)
+{
+ struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
- ret = iwlcore_init_geos(priv);
- if (ret) {
- IWL_ERROR("initializing geos failed: %d\n", ret);
- goto err_free_channel_map;
- }
+ IWL_DEBUG_RADIO(priv, "RX CONFIG:\n");
+ iwl_print_hex_dump(IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
+ IWL_DEBUG_RADIO(priv, "u16 channel: 0x%x\n", le16_to_cpu(rxon->channel));
+ IWL_DEBUG_RADIO(priv, "u32 flags: 0x%08X\n", le32_to_cpu(rxon->flags));
+ IWL_DEBUG_RADIO(priv, "u32 filter_flags: 0x%08x\n",
+ le32_to_cpu(rxon->filter_flags));
+ IWL_DEBUG_RADIO(priv, "u8 dev_type: 0x%x\n", rxon->dev_type);
+ IWL_DEBUG_RADIO(priv, "u8 ofdm_basic_rates: 0x%02x\n",
+ rxon->ofdm_basic_rates);
+ IWL_DEBUG_RADIO(priv, "u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates);
+ IWL_DEBUG_RADIO(priv, "u8[6] node_addr: %pM\n", rxon->node_addr);
+ IWL_DEBUG_RADIO(priv, "u8[6] bssid_addr: %pM\n", rxon->bssid_addr);
+ IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
+}
+#endif
+
+static const char *desc_lookup_text[] = {
+ "OK",
+ "FAIL",
+ "BAD_PARAM",
+ "BAD_CHECKSUM",
+ "NMI_INTERRUPT_WDG",
+ "SYSASSERT",
+ "FATAL_ERROR",
+ "BAD_COMMAND",
+ "HW_ERROR_TUNE_LOCK",
+ "HW_ERROR_TEMPERATURE",
+ "ILLEGAL_CHAN_FREQ",
+ "VCC_NOT_STABLE",
+ "FH_ERROR",
+ "NMI_INTERRUPT_HOST",
+ "NMI_INTERRUPT_ACTION_PT",
+ "NMI_INTERRUPT_UNKNOWN",
+ "UCODE_VERSION_MISMATCH",
+ "HW_ERROR_ABS_LOCK",
+ "HW_ERROR_CAL_LOCK_FAIL",
+ "NMI_INTERRUPT_INST_ACTION_PT",
+ "NMI_INTERRUPT_DATA_ACTION_PT",
+ "NMI_TRM_HW_ER",
+ "NMI_INTERRUPT_TRM",
+ "NMI_INTERRUPT_BREAK_POINT"
+ "DEBUG_0",
+ "DEBUG_1",
+ "DEBUG_2",
+ "DEBUG_3",
+ "UNKNOWN"
+};
- return 0;
+static const char *desc_lookup(int i)
+{
+ int max = ARRAY_SIZE(desc_lookup_text) - 1;
-err_free_channel_map:
- iwl_free_channel_map(priv);
-err:
- return ret;
-}
-EXPORT_SYMBOL(iwl_init_drv);
-
-int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
-{
- int ret = 0;
- if (tx_power < IWL_TX_POWER_TARGET_POWER_MIN) {
- IWL_WARNING("Requested user TXPOWER %d below limit.\n",
- priv->tx_power_user_lmt);
- return -EINVAL;
- }
-
- if (tx_power > IWL_TX_POWER_TARGET_POWER_MAX) {
- IWL_WARNING("Requested user TXPOWER %d above limit.\n",
- priv->tx_power_user_lmt);
- return -EINVAL;
- }
-
- if (priv->tx_power_user_lmt != tx_power)
- force = true;
-
- priv->tx_power_user_lmt = tx_power;
-
- if (force && priv->cfg->ops->lib->send_tx_power)
- ret = priv->cfg->ops->lib->send_tx_power(priv);
-
- return ret;
-}
-EXPORT_SYMBOL(iwl_set_tx_power);
-
-void iwl_uninit_drv(struct iwl_priv *priv)
-{
- iwl_calib_free_results(priv);
- iwlcore_free_geos(priv);
- iwl_free_channel_map(priv);
- kfree(priv->scan);
-}
-EXPORT_SYMBOL(iwl_uninit_drv);
-
-int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags)
-{
- u32 stat_flags = 0;
- struct iwl_host_cmd cmd = {
- .id = REPLY_STATISTICS_CMD,
- .meta.flags = flags,
- .len = sizeof(stat_flags),
- .data = (u8 *) &stat_flags,
- };
- return iwl_send_cmd(priv, &cmd);
-}
-EXPORT_SYMBOL(iwl_send_statistics_request);
-
-/**
- * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
- * using sample data 100 bytes apart. If these sample points are good,
- * it's a pretty good bet that everything between them is good, too.
- */
-static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len)
-{
- u32 val;
- int ret = 0;
- u32 errcnt = 0;
- u32 i;
-
- IWL_DEBUG_INFO("ucode inst image size is %u\n", len);
-
- ret = iwl_grab_nic_access(priv);
- if (ret)
- return ret;
-
- for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
- /* read data comes through single port, auto-incr addr */
- /* NOTE: Use the debugless read so we don't flood kernel log
- * if IWL_DL_IO is set */
- iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
- i + RTC_INST_LOWER_BOUND);
- val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- if (val != le32_to_cpu(*image)) {
- ret = -EIO;
- errcnt++;
- if (errcnt >= 3)
- break;
- }
- }
-
- iwl_release_nic_access(priv);
-
- return ret;
-}
-
-/**
- * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host,
- * looking at all data.
- */
-static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image,
- u32 len)
-{
- u32 val;
- u32 save_len = len;
- int ret = 0;
- u32 errcnt;
-
- IWL_DEBUG_INFO("ucode inst image size is %u\n", len);
-
- ret = iwl_grab_nic_access(priv);
- if (ret)
- return ret;
-
- iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, RTC_INST_LOWER_BOUND);
-
- errcnt = 0;
- for (; len > 0; len -= sizeof(u32), image++) {
- /* read data comes through single port, auto-incr addr */
- /* NOTE: Use the debugless read so we don't flood kernel log
- * if IWL_DL_IO is set */
- val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
- if (val != le32_to_cpu(*image)) {
- IWL_ERROR("uCode INST section is invalid at "
- "offset 0x%x, is 0x%x, s/b 0x%x\n",
- save_len - len, val, le32_to_cpu(*image));
- ret = -EIO;
- errcnt++;
- if (errcnt >= 20)
- break;
- }
- }
-
- iwl_release_nic_access(priv);
-
- if (!errcnt)
- IWL_DEBUG_INFO
- ("ucode image in INSTRUCTION memory is good\n");
-
- return ret;
-}
-
-/**
- * iwl_verify_ucode - determine which instruction image is in SRAM,
- * and verify its contents
- */
-int iwl_verify_ucode(struct iwl_priv *priv)
-{
- __le32 *image;
- u32 len;
- int ret;
-
- /* Try bootstrap */
- image = (__le32 *)priv->ucode_boot.v_addr;
- len = priv->ucode_boot.len;
- ret = iwlcore_verify_inst_sparse(priv, image, len);
- if (!ret) {
- IWL_DEBUG_INFO("Bootstrap uCode is good in inst SRAM\n");
- return 0;
- }
-
- /* Try initialize */
- image = (__le32 *)priv->ucode_init.v_addr;
- len = priv->ucode_init.len;
- ret = iwlcore_verify_inst_sparse(priv, image, len);
- if (!ret) {
- IWL_DEBUG_INFO("Initialize uCode is good in inst SRAM\n");
- return 0;
- }
-
- /* Try runtime/protocol */
- image = (__le32 *)priv->ucode_code.v_addr;
- len = priv->ucode_code.len;
- ret = iwlcore_verify_inst_sparse(priv, image, len);
- if (!ret) {
- IWL_DEBUG_INFO("Runtime uCode is good in inst SRAM\n");
- return 0;
- }
-
- IWL_ERROR("NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n");
-
- /* Since nothing seems to match, show first several data entries in
- * instruction SRAM, so maybe visual inspection will give a clue.
- * Selection of bootstrap image (vs. other images) is arbitrary. */
- image = (__le32 *)priv->ucode_boot.v_addr;
- len = priv->ucode_boot.len;
- ret = iwl_verify_inst_full(priv, image, len);
-
- return ret;
-}
-EXPORT_SYMBOL(iwl_verify_ucode);
-
-static const char *desc_lookup(int i)
-{
- switch (i) {
- case 1:
- return "FAIL";
- case 2:
- return "BAD_PARAM";
- case 3:
- return "BAD_CHECKSUM";
- case 4:
- return "NMI_INTERRUPT";
- case 5:
- return "SYSASSERT";
- case 6:
- return "FATAL_ERROR";
- }
-
- return "UNKNOWN";
+ if (i < 0 || i > max)
+ i = max;
+
+ return desc_lookup_text[i];
}
#define ERROR_START_OFFSET (1 * sizeof(u32))
#define ERROR_ELEM_SIZE (7 * sizeof(u32))
-void iwl_dump_nic_error_log(struct iwl_priv *priv)
+static void iwl_dump_nic_error_log(struct iwl_priv *priv)
{
u32 data2, line;
u32 desc, time, count, base, data1;
u32 blink1, blink2, ilink1, ilink2;
- int ret;
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
- else
+ switch (priv->ucode_type) {
+ case UCODE_RT:
base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
-
- if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
- IWL_ERROR("Not valid error log pointer 0x%08X\n", base);
+ break;
+ case UCODE_INIT:
+ base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
+ break;
+ default:
+ IWL_ERR(priv, "uCode image not available\n");
return;
}
- ret = iwl_grab_nic_access(priv);
- if (ret) {
- IWL_WARNING("Can not read from adapter at this time.\n");
+ if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
+ IWL_ERR(priv, "Not valid error log pointer 0x%08X\n", base);
return;
}
count = iwl_read_targ_mem(priv, base);
if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
- IWL_ERROR("Start IWL Error Log Dump:\n");
- IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count);
+ IWL_ERR(priv, "Start IWL Error Log Dump:\n");
+ IWL_ERR(priv, "Status: 0x%08lX, count: %d\n",
+ priv->status, count);
}
desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32));
line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
- IWL_ERROR("Desc Time "
+ IWL_ERR(priv, "Desc Time "
"data1 data2 line\n");
- IWL_ERROR("%-13s (#%d) %010u 0x%08X 0x%08X %u\n",
+ IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n",
desc_lookup(desc), desc, time, data1, data2, line);
- IWL_ERROR("blink1 blink2 ilink1 ilink2\n");
- IWL_ERROR("0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
+ IWL_ERR(priv, "blink1 blink2 ilink1 ilink2\n");
+ IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
ilink1, ilink2);
- iwl_release_nic_access(priv);
}
-EXPORT_SYMBOL(iwl_dump_nic_error_log);
#define EVENT_START_OFFSET (4 * sizeof(u32))
/**
* iwl_print_event_log - Dump error event log to syslog
*
- * NOTE: Must be called with iwl_grab_nic_access() already obtained!
*/
static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
u32 num_events, u32 mode)
if (num_events == 0)
return;
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
- else
+ switch (priv->ucode_type) {
+ case UCODE_RT:
base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
+ break;
+ case UCODE_INIT:
+ base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
+ break;
+ default:
+ IWL_ERR(priv, "uCode image not available\n");
+ return;
+ }
if (mode == 0)
event_size = 2 * sizeof(u32);
ptr += sizeof(u32);
if (mode == 0) {
/* data, ev */
- IWL_ERROR("EVT_LOG:0x%08x:%04u\n", time, ev);
+ IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev);
} else {
data = iwl_read_targ_mem(priv, ptr);
ptr += sizeof(u32);
- IWL_ERROR("EVT_LOGT:%010u:0x%08x:%04u\n",
+ IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
time, data, ev);
}
}
void iwl_dump_nic_event_log(struct iwl_priv *priv)
{
- int ret;
u32 base; /* SRAM byte address of event log header */
u32 capacity; /* event log capacity in # entries */
u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
u32 next_entry; /* index of next entry to be written by uCode */
u32 size; /* # entries that we'll print */
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
- else
+ switch (priv->ucode_type) {
+ case UCODE_RT:
base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
-
- if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
- IWL_ERROR("Invalid event log pointer 0x%08X\n", base);
+ break;
+ case UCODE_INIT:
+ base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
+ break;
+ default:
+ IWL_ERR(priv, "uCode image not available\n");
return;
}
- ret = iwl_grab_nic_access(priv);
- if (ret) {
- IWL_WARNING("Can not read from adapter at this time.\n");
+ if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
+ IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
return;
}
/* bail out if nothing in log */
if (size == 0) {
- IWL_ERROR("Start IWL Event Log Dump: nothing in log\n");
- iwl_release_nic_access(priv);
+ IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
return;
}
- IWL_ERROR("Start IWL Event Log Dump: display count %d, wraps %d\n",
+ IWL_ERR(priv, "Start IWL Event Log Dump: display count %d, wraps %d\n",
size, num_wraps);
/* if uCode has wrapped back to top of log, start at the oldest entry,
/* (then/else) start at top of log */
iwl_print_event_log(priv, 0, next_entry, mode);
- iwl_release_nic_access(priv);
}
-EXPORT_SYMBOL(iwl_dump_nic_event_log);
-
-void iwl_rf_kill_ct_config(struct iwl_priv *priv)
+/**
+ * iwl_irq_handle_error - called for HW or SW error interrupt from card
+ */
+void iwl_irq_handle_error(struct iwl_priv *priv)
{
- struct iwl_ct_kill_config cmd;
- unsigned long flags;
- int ret = 0;
+ /* Set the FW error flag -- cleared on iwl_down */
+ set_bit(STATUS_FW_ERROR, &priv->status);
- spin_lock_irqsave(&priv->lock, flags);
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
- CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
- spin_unlock_irqrestore(&priv->lock, flags);
+ /* Cancel currently queued command. */
+ clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
- cmd.critical_temperature_R =
- cpu_to_le32(priv->hw_params.ct_kill_threshold);
+#ifdef CONFIG_IWLWIFI_DEBUG
+ if (iwl_debug_level & IWL_DL_FW_ERRORS) {
+ iwl_dump_nic_error_log(priv);
+ iwl_dump_nic_event_log(priv);
+ iwl_print_rx_config_cmd(priv);
+ }
+#endif
- ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
- sizeof(cmd), &cmd);
- if (ret)
- IWL_ERROR("REPLY_CT_KILL_CONFIG_CMD failed\n");
- else
- IWL_DEBUG_INFO("REPLY_CT_KILL_CONFIG_CMD succeeded, "
- "critical temperature is %d\n",
- cmd.critical_temperature_R);
-}
-EXPORT_SYMBOL(iwl_rf_kill_ct_config);
+ wake_up_interruptible(&priv->wait_command_queue);
-/*
- * CARD_STATE_CMD
- *
- * Use: Sets the device's internal card state to enable, disable, or halt
- *
- * When in the 'enable' state the card operates as normal.
- * When in the 'disable' state, the card enters into a low power mode.
- * When in the 'halt' state, the card is shut down and must be fully
- * restarted to come back on.
- */
-static int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag)
-{
- struct iwl_host_cmd cmd = {
- .id = REPLY_CARD_STATE_CMD,
- .len = sizeof(u32),
- .data = &flags,
- .meta.flags = meta_flag,
- };
+ /* Keep the restart process from trying to send host
+ * commands by clearing the INIT status bit */
+ clear_bit(STATUS_READY, &priv->status);
- return iwl_send_cmd(priv, &cmd);
+ 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);
+ }
}
+EXPORT_SYMBOL(iwl_irq_handle_error);
-void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv)
+void iwl_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ int mc_count, struct dev_addr_list *mc_list)
{
- unsigned long flags;
+ struct iwl_priv *priv = hw->priv;
+ __le32 *filter_flags = &priv->staging_rxon.filter_flags;
- if (test_bit(STATUS_RF_KILL_SW, &priv->status))
- return;
-
- IWL_DEBUG_RF_KILL("Manual SW RF KILL set to: RADIO OFF\n");
+ IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n",
+ changed_flags, *total_flags);
- 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);
+ if (changed_flags & (FIF_OTHER_BSS | FIF_PROMISC_IN_BSS)) {
+ if (*total_flags & (FIF_OTHER_BSS | FIF_PROMISC_IN_BSS))
+ *filter_flags |= RXON_FILTER_PROMISC_MSK;
+ else
+ *filter_flags &= ~RXON_FILTER_PROMISC_MSK;
+ }
+ if (changed_flags & FIF_ALLMULTI) {
+ if (*total_flags & FIF_ALLMULTI)
+ *filter_flags |= RXON_FILTER_ACCEPT_GRP_MSK;
+ else
+ *filter_flags &= ~RXON_FILTER_ACCEPT_GRP_MSK;
}
+ if (changed_flags & FIF_CONTROL) {
+ if (*total_flags & FIF_CONTROL)
+ *filter_flags |= RXON_FILTER_CTL2HOST_MSK;
+ else
+ *filter_flags &= ~RXON_FILTER_CTL2HOST_MSK;
+ }
+ if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
+ if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
+ *filter_flags |= RXON_FILTER_BCON_AWARE_MSK;
+ else
+ *filter_flags &= ~RXON_FILTER_BCON_AWARE_MSK;
+ }
+
+ /* We avoid iwl_commit_rxon here to commit the new filter flags
+ * since mac80211 will call ieee80211_hw_config immediately.
+ * (mc_list is not supported at this time). Otherwise, we need to
+ * queue a background iwl_commit_rxon work.
+ */
+
+ *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS |
+ FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
}
-EXPORT_SYMBOL(iwl_radio_kill_sw_disable_radio);
+EXPORT_SYMBOL(iwl_configure_filter);
-int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv)
+int iwl_setup_mac(struct iwl_priv *priv)
{
+ int ret;
+ struct ieee80211_hw *hw = priv->hw;
+ hw->rate_control_algorithm = "iwl-agn-rs";
+
+ /* Tell mac80211 our characteristics */
+ hw->flags = IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_NOISE_DBM |
+ IEEE80211_HW_AMPDU_AGGREGATION |
+ IEEE80211_HW_SPECTRUM_MGMT |
+ IEEE80211_HW_SUPPORTS_PS;
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC);
+
+ hw->wiphy->custom_regulatory = true;
+
+ hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
+ /* we create the 802.11 header and a zero-length SSID element */
+ hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
+
+ /* Default value; 4 EDCA QOS priorities */
+ hw->queues = 4;
+
+ hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
+
+ if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
+ priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &priv->bands[IEEE80211_BAND_2GHZ];
+ if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
+ priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &priv->bands[IEEE80211_BAND_5GHZ];
+
+ ret = ieee80211_register_hw(priv->hw);
+ if (ret) {
+ IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
+ return ret;
+ }
+ priv->mac80211_registered = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL(iwl_setup_mac);
+
+int iwl_set_hw_params(struct iwl_priv *priv)
+{
+ priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
+ priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
+ if (priv->cfg->mod_params->amsdu_size_8K)
+ priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_8K;
+ else
+ priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_4K;
+ priv->hw_params.max_pkt_size = priv->hw_params.rx_buf_size - 256;
+
+ priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL;
+
+ if (priv->cfg->mod_params->disable_11n)
+ priv->cfg->sku &= ~IWL_SKU_N;
+
+ /* Device-specific setup */
+ return priv->cfg->ops->lib->set_hw_params(priv);
+}
+EXPORT_SYMBOL(iwl_set_hw_params);
+
+int iwl_init_drv(struct iwl_priv *priv)
+{
+ int ret;
+
+ priv->ibss_beacon = NULL;
+
+ spin_lock_init(&priv->lock);
+ spin_lock_init(&priv->sta_lock);
+ spin_lock_init(&priv->hcmd_lock);
+
+ INIT_LIST_HEAD(&priv->free_frames);
+
+ mutex_init(&priv->mutex);
+
+ /* Clear the driver's (not device's) station table */
+ iwl_clear_stations_table(priv);
+
+ priv->data_retry_limit = -1;
+ priv->ieee_channels = NULL;
+ priv->ieee_rates = NULL;
+ priv->band = IEEE80211_BAND_2GHZ;
+
+ priv->iw_mode = NL80211_IFTYPE_STATION;
+
+ priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
+
+ /* Choose which receivers/antennas to use */
+ if (priv->cfg->ops->hcmd->set_rxon_chain)
+ priv->cfg->ops->hcmd->set_rxon_chain(priv);
+
+ iwl_init_scan_params(priv);
+
+ iwl_reset_qos(priv);
+
+ priv->qos_data.qos_active = 0;
+ priv->qos_data.qos_cap.val = 0;
+
+ priv->rates_mask = IWL_RATES_MASK;
+ /* If power management is turned on, default to CAM mode */
+ priv->power_mode = IWL_POWER_MODE_CAM;
+ priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MAX;
+
+ ret = iwl_init_channel_map(priv);
+ if (ret) {
+ IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
+ goto err;
+ }
+
+ ret = iwlcore_init_geos(priv);
+ if (ret) {
+ IWL_ERR(priv, "initializing geos failed: %d\n", ret);
+ goto err_free_channel_map;
+ }
+ iwlcore_init_hw_rates(priv, priv->ieee_rates);
+
+ return 0;
+
+err_free_channel_map:
+ iwl_free_channel_map(priv);
+err:
+ return ret;
+}
+EXPORT_SYMBOL(iwl_init_drv);
+
+int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
+{
+ int ret = 0;
+ if (tx_power < IWL_TX_POWER_TARGET_POWER_MIN) {
+ IWL_WARN(priv, "Requested user TXPOWER %d below lower limit %d.\n",
+ tx_power,
+ IWL_TX_POWER_TARGET_POWER_MIN);
+ return -EINVAL;
+ }
+
+ if (tx_power > IWL_TX_POWER_TARGET_POWER_MAX) {
+ IWL_WARN(priv, "Requested user TXPOWER %d above upper limit %d.\n",
+ tx_power,
+ IWL_TX_POWER_TARGET_POWER_MAX);
+ return -EINVAL;
+ }
+
+ if (priv->tx_power_user_lmt != tx_power)
+ force = true;
+
+ priv->tx_power_user_lmt = tx_power;
+
+ /* if nic is not up don't send command */
+ if (!iwl_is_ready_rf(priv))
+ return ret;
+
+ if (force && priv->cfg->ops->lib->send_tx_power)
+ ret = priv->cfg->ops->lib->send_tx_power(priv);
+
+ return ret;
+}
+EXPORT_SYMBOL(iwl_set_tx_power);
+
+void iwl_uninit_drv(struct iwl_priv *priv)
+{
+ iwl_calib_free_results(priv);
+ iwlcore_free_geos(priv);
+ iwl_free_channel_map(priv);
+ kfree(priv->scan);
+}
+EXPORT_SYMBOL(iwl_uninit_drv);
+
+#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 |= priv->ict_tbl[priv->ict_index];
+ IWL_DEBUG_ISR(priv, "ICT index %d value 0x%08X\n",
+ priv->ict_index,
+ 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_debug_level & (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;
+ u32 inta, inta_mask;
+ u32 inta_fh;
+ 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);
+ inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
+
+ /* 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 && !inta_fh) {
+ IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0, inta_fh == 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;
+ }
+
+ IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, fh 0x%08x\n",
+ inta, inta_mask, inta_fh);
+
+ inta &= ~CSR_INT_BIT_SCD;
+
+ /* iwl_irq_tasklet() will service interrupts and re-enable them */
+ if (likely(inta || inta_fh))
+ tasklet_schedule(&priv->irq_tasklet);
+
+ 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 */
+ if (test_bit(STATUS_INT_ENABLED, &priv->status))
+ iwl_enable_interrupts(priv);
+ spin_unlock(&priv->lock);
+ return IRQ_NONE;
+}
+EXPORT_SYMBOL(iwl_isr_legacy);
+
+int iwl_send_bt_config(struct iwl_priv *priv)
+{
+ struct iwl_bt_cmd bt_cmd = {
+ .flags = 3,
+ .lead_time = 0xAA,
+ .max_kill = 1,
+ .kill_ack_mask = 0,
+ .kill_cts_mask = 0,
+ };
+
+ return iwl_send_cmd_pdu(priv, REPLY_BT_CONFIG,
+ sizeof(struct iwl_bt_cmd), &bt_cmd);
+}
+EXPORT_SYMBOL(iwl_send_bt_config);
+
+int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags)
+{
+ u32 stat_flags = 0;
+ struct iwl_host_cmd cmd = {
+ .id = REPLY_STATISTICS_CMD,
+ .meta.flags = flags,
+ .len = sizeof(stat_flags),
+ .data = (u8 *) &stat_flags,
+ };
+ return iwl_send_cmd(priv, &cmd);
+}
+EXPORT_SYMBOL(iwl_send_statistics_request);
+
+/**
+ * iwl_verify_inst_sparse - verify runtime uCode image in card vs. host,
+ * using sample data 100 bytes apart. If these sample points are good,
+ * it's a pretty good bet that everything between them is good, too.
+ */
+static int iwlcore_verify_inst_sparse(struct iwl_priv *priv, __le32 *image, u32 len)
+{
+ u32 val;
+ int ret = 0;
+ u32 errcnt = 0;
+ u32 i;
+
+ IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
+
+ for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) {
+ /* read data comes through single port, auto-incr addr */
+ /* NOTE: Use the debugless read so we don't flood kernel log
+ * if IWL_DL_IO is set */
+ iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
+ i + IWL49_RTC_INST_LOWER_BOUND);
+ val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+ if (val != le32_to_cpu(*image)) {
+ ret = -EIO;
+ errcnt++;
+ if (errcnt >= 3)
+ break;
+ }
+ }
+
+ return ret;
+}
+
+/**
+ * iwlcore_verify_inst_full - verify runtime uCode image in card vs. host,
+ * looking at all data.
+ */
+static int iwl_verify_inst_full(struct iwl_priv *priv, __le32 *image,
+ u32 len)
+{
+ u32 val;
+ u32 save_len = len;
+ int ret = 0;
+ u32 errcnt;
+
+ IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
+
+ iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
+ IWL49_RTC_INST_LOWER_BOUND);
+
+ errcnt = 0;
+ for (; len > 0; len -= sizeof(u32), image++) {
+ /* read data comes through single port, auto-incr addr */
+ /* NOTE: Use the debugless read so we don't flood kernel log
+ * if IWL_DL_IO is set */
+ val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+ if (val != le32_to_cpu(*image)) {
+ IWL_ERR(priv, "uCode INST section is invalid at "
+ "offset 0x%x, is 0x%x, s/b 0x%x\n",
+ save_len - len, val, le32_to_cpu(*image));
+ ret = -EIO;
+ errcnt++;
+ if (errcnt >= 20)
+ break;
+ }
+ }
+
+ if (!errcnt)
+ IWL_DEBUG_INFO(priv,
+ "ucode image in INSTRUCTION memory is good\n");
+
+ return ret;
+}
+
+/**
+ * iwl_verify_ucode - determine which instruction image is in SRAM,
+ * and verify its contents
+ */
+int iwl_verify_ucode(struct iwl_priv *priv)
+{
+ __le32 *image;
+ u32 len;
+ int ret;
+
+ /* Try bootstrap */
+ image = (__le32 *)priv->ucode_boot.v_addr;
+ len = priv->ucode_boot.len;
+ ret = iwlcore_verify_inst_sparse(priv, image, len);
+ if (!ret) {
+ IWL_DEBUG_INFO(priv, "Bootstrap uCode is good in inst SRAM\n");
+ return 0;
+ }
+
+ /* Try initialize */
+ image = (__le32 *)priv->ucode_init.v_addr;
+ len = priv->ucode_init.len;
+ ret = iwlcore_verify_inst_sparse(priv, image, len);
+ if (!ret) {
+ IWL_DEBUG_INFO(priv, "Initialize uCode is good in inst SRAM\n");
+ return 0;
+ }
+
+ /* Try runtime/protocol */
+ image = (__le32 *)priv->ucode_code.v_addr;
+ len = priv->ucode_code.len;
+ ret = iwlcore_verify_inst_sparse(priv, image, len);
+ if (!ret) {
+ IWL_DEBUG_INFO(priv, "Runtime uCode is good in inst SRAM\n");
+ return 0;
+ }
+
+ IWL_ERR(priv, "NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n");
+
+ /* Since nothing seems to match, show first several data entries in
+ * instruction SRAM, so maybe visual inspection will give a clue.
+ * Selection of bootstrap image (vs. other images) is arbitrary. */
+ image = (__le32 *)priv->ucode_boot.v_addr;
+ len = priv->ucode_boot.len;
+ ret = iwl_verify_inst_full(priv, image, len);
+
+ return ret;
+}
+EXPORT_SYMBOL(iwl_verify_ucode);
+
+
+void iwl_rf_kill_ct_config(struct iwl_priv *priv)
+{
+ struct iwl_ct_kill_config cmd;
+ struct iwl_ct_kill_throttling_config adv_cmd;
+ unsigned long flags;
+ int ret = 0;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
+ CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ priv->power_data.ct_kill_toggle = false;
+
+ switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
+ case CSR_HW_REV_TYPE_1000:
+ case CSR_HW_REV_TYPE_6x00:
+ case CSR_HW_REV_TYPE_6x50:
+ adv_cmd.critical_temperature_enter =
+ cpu_to_le32(priv->hw_params.ct_kill_threshold);
+ adv_cmd.critical_temperature_exit =
+ cpu_to_le32(priv->hw_params.ct_kill_exit_threshold);
+
+ ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
+ sizeof(adv_cmd), &adv_cmd);
+ break;
+ default:
+ cmd.critical_temperature_R =
+ cpu_to_le32(priv->hw_params.ct_kill_threshold);
+
+ ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
+ sizeof(cmd), &cmd);
+ break;
+ }
+ ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
+ sizeof(cmd), &cmd);
+ if (ret)
+ IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
+ else
+ IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD succeeded, "
+ "critical temperature is %d\n",
+ cmd.critical_temperature_R);
+}
+EXPORT_SYMBOL(iwl_rf_kill_ct_config);
+
+
+/*
+ * CARD_STATE_CMD
+ *
+ * Use: Sets the device's internal card state to enable, disable, or halt
+ *
+ * When in the 'enable' state the card operates as normal.
+ * When in the 'disable' state, the card enters into a low power mode.
+ * When in the 'halt' state, the card is shut down and must be fully
+ * restarted to come back on.
+ */
+int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag)
+{
+ struct iwl_host_cmd cmd = {
+ .id = REPLY_CARD_STATE_CMD,
+ .len = sizeof(u32),
+ .data = &flags,
+ .meta.flags = meta_flag,
+ };
+
+ return iwl_send_cmd(priv, &cmd);
+}
+EXPORT_SYMBOL(iwl_send_card_state);
+
+void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+#ifdef CONFIG_IWLWIFI_DEBUG
+ struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+ struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif);
+ IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n",
+ sleep->pm_sleep_mode, sleep->pm_wakeup_src);
+#endif
+}
+EXPORT_SYMBOL(iwl_rx_pm_sleep_notif);
+
+void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+ IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled "
+ "notification for %s:\n",
+ le32_to_cpu(pkt->len), get_cmd_string(pkt->hdr.cmd));
+ iwl_print_hex_dump(IWL_DL_RADIO, pkt->u.raw, le32_to_cpu(pkt->len));
+}
+EXPORT_SYMBOL(iwl_rx_pm_debug_statistics_notif);
+
+void iwl_rx_reply_error(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
+
+ IWL_ERR(priv, "Error Reply type 0x%08X cmd %s (0x%02X) "
+ "seq 0x%04X ser 0x%08X\n",
+ le32_to_cpu(pkt->u.err_resp.error_type),
+ get_cmd_string(pkt->u.err_resp.cmd_id),
+ pkt->u.err_resp.cmd_id,
+ le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num),
+ le32_to_cpu(pkt->u.err_resp.error_info));
+}
+EXPORT_SYMBOL(iwl_rx_reply_error);
+
+void iwl_clear_isr_stats(struct iwl_priv *priv)
+{
+ memset(&priv->isr_stats, 0, sizeof(priv->isr_stats));
+}
+EXPORT_SYMBOL(iwl_clear_isr_stats);
+
+int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct iwl_priv *priv = hw->priv;
unsigned long flags;
+ int q;
- if (!test_bit(STATUS_RF_KILL_SW, &priv->status))
+ IWL_DEBUG_MAC80211(priv, "enter\n");
+
+ if (!iwl_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
+ return -EIO;
+ }
+
+ if (queue >= AC_NUM) {
+ IWL_DEBUG_MAC80211(priv, "leave - queue >= AC_NUM %d\n", queue);
return 0;
+ }
+
+ q = AC_NUM - 1 - queue;
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+ priv->qos_data.def_qos_parm.ac[q].cw_min = cpu_to_le16(params->cw_min);
+ priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max);
+ priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
+ priv->qos_data.def_qos_parm.ac[q].edca_txop =
+ cpu_to_le16((params->txop * 32));
+
+ priv->qos_data.def_qos_parm.ac[q].reserved1 = 0;
+ priv->qos_data.qos_active = 1;
+
+ if (priv->iw_mode == NL80211_IFTYPE_AP)
+ iwl_activate_qos(priv, 1);
+ else if (priv->assoc_id && iwl_is_associated(priv))
+ iwl_activate_qos(priv, 0);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+ return 0;
+}
+EXPORT_SYMBOL(iwl_mac_conf_tx);
+
+static void iwl_ht_conf(struct iwl_priv *priv,
+ struct ieee80211_bss_conf *bss_conf)
+{
+ struct ieee80211_sta_ht_cap *ht_conf;
+ struct iwl_ht_info *iwl_conf = &priv->current_ht_config;
+ struct ieee80211_sta *sta;
+
+ IWL_DEBUG_MAC80211(priv, "enter: \n");
+
+ if (!iwl_conf->is_ht)
+ return;
+
+
+ /*
+ * It is totally wrong to base global information on something
+ * that is valid only when associated, alas, this driver works
+ * that way and I don't know how to fix it.
+ */
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(priv->hw, priv->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+ ht_conf = &sta->ht_cap;
+
+ if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
+ iwl_conf->sgf |= HT_SHORT_GI_20MHZ;
+ if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
+ iwl_conf->sgf |= HT_SHORT_GI_40MHZ;
+
+ iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD);
+ iwl_conf->max_amsdu_size =
+ !!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU);
+
+ iwl_conf->supported_chan_width =
+ !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
+
+ /*
+ * XXX: The HT configuration needs to be moved into iwl_mac_config()
+ * to be done there correctly.
+ */
+
+ iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ if (conf_is_ht40_minus(&priv->hw->conf))
+ iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ else if (conf_is_ht40_plus(&priv->hw->conf))
+ iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+
+ /* If no above or below channel supplied disable FAT channel */
+ if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE &&
+ iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW)
+ iwl_conf->supported_chan_width = 0;
+
+ iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2);
+
+ memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16);
+
+ iwl_conf->tx_chan_width = iwl_conf->supported_chan_width != 0;
+ iwl_conf->ht_protection =
+ bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
+ iwl_conf->non_GF_STA_present =
+ !!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+
+ rcu_read_unlock();
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+}
+
+#define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6)
+void iwl_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u32 changes)
+{
+ struct iwl_priv *priv = hw->priv;
+ int ret;
+
+ IWL_DEBUG_MAC80211(priv, "changes = 0x%X\n", changes);
+
+ if (!iwl_is_alive(priv))
+ return;
+
+ mutex_lock(&priv->mutex);
+
+ if (changes & BSS_CHANGED_BEACON &&
+ priv->iw_mode == NL80211_IFTYPE_AP) {
+ dev_kfree_skb(priv->ibss_beacon);
+ priv->ibss_beacon = ieee80211_beacon_get(hw, vif);
+ }
+
+ if (changes & BSS_CHANGED_BEACON_INT) {
+ priv->beacon_int = bss_conf->beacon_int;
+ /* TODO: in AP mode, do something to make this take effect */
+ }
+
+ if (changes & BSS_CHANGED_BSSID) {
+ IWL_DEBUG_MAC80211(priv, "BSSID %pM\n", bss_conf->bssid);
+
+ /*
+ * If there is currently a HW scan going on in the
+ * background then we need to cancel it else the RXON
+ * below/in post_associate will fail.
+ */
+ if (iwl_scan_cancel_timeout(priv, 100)) {
+ IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
+ IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
+ mutex_unlock(&priv->mutex);
+ return;
+ }
+
+ /* mac80211 only sets assoc when in STATION mode */
+ if (priv->iw_mode == NL80211_IFTYPE_ADHOC ||
+ bss_conf->assoc) {
+ memcpy(priv->staging_rxon.bssid_addr,
+ bss_conf->bssid, ETH_ALEN);
+
+ /* currently needed in a few places */
+ memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
+ } else {
+ priv->staging_rxon.filter_flags &=
+ ~RXON_FILTER_ASSOC_MSK;
+ }
+
+ }
+
+ /*
+ * This needs to be after setting the BSSID in case
+ * mac80211 decides to do both changes at once because
+ * it will invoke post_associate.
+ */
+ if (priv->iw_mode == NL80211_IFTYPE_ADHOC &&
+ changes & BSS_CHANGED_BEACON) {
+ struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
+
+ if (beacon)
+ iwl_mac_beacon_update(hw, beacon);
+ }
+
+ if (changes & BSS_CHANGED_ERP_PREAMBLE) {
+ IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n",
+ bss_conf->use_short_preamble);
+ if (bss_conf->use_short_preamble)
+ priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK;
+ else
+ priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK;
+ }
+
+ if (changes & BSS_CHANGED_ERP_CTS_PROT) {
+ IWL_DEBUG_MAC80211(priv, "ERP_CTS %d\n", bss_conf->use_cts_prot);
+ if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ))
+ priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK;
+ else
+ priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
+ }
+
+ if (changes & BSS_CHANGED_BASIC_RATES) {
+ /* XXX use this information
+ *
+ * To do that, remove code from iwl_set_rate() and put something
+ * like this here:
+ *
+ if (A-band)
+ priv->staging_rxon.ofdm_basic_rates =
+ bss_conf->basic_rates;
+ else
+ priv->staging_rxon.ofdm_basic_rates =
+ bss_conf->basic_rates >> 4;
+ priv->staging_rxon.cck_basic_rates =
+ bss_conf->basic_rates & 0xF;
+ */
+ }
+
+ if (changes & BSS_CHANGED_HT) {
+ iwl_ht_conf(priv, bss_conf);
+
+ if (priv->cfg->ops->hcmd->set_rxon_chain)
+ priv->cfg->ops->hcmd->set_rxon_chain(priv);
+ }
+
+ if (changes & BSS_CHANGED_ASSOC) {
+ IWL_DEBUG_MAC80211(priv, "ASSOC %d\n", bss_conf->assoc);
+ if (bss_conf->assoc) {
+ priv->assoc_id = bss_conf->aid;
+ priv->beacon_int = bss_conf->beacon_int;
+ priv->power_data.dtim_period = bss_conf->dtim_period;
+ priv->timestamp = bss_conf->timestamp;
+ priv->assoc_capability = bss_conf->assoc_capability;
+
+ /*
+ * We have just associated, don't start scan too early
+ * leave time for EAPOL exchange to complete.
+ *
+ * XXX: do this in mac80211
+ */
+ priv->next_scan_jiffies = jiffies +
+ IWL_DELAY_NEXT_SCAN_AFTER_ASSOC;
+ if (!iwl_is_rfkill(priv))
+ priv->cfg->ops->lib->post_associate(priv);
+ } else
+ priv->assoc_id = 0;
+
+ }
+
+ if (changes && iwl_is_associated(priv) && priv->assoc_id) {
+ IWL_DEBUG_MAC80211(priv, "Changes (%#x) while associated\n",
+ changes);
+ ret = iwl_send_rxon_assoc(priv);
+ if (!ret) {
+ /* Sync active_rxon with latest change. */
+ memcpy((void *)&priv->active_rxon,
+ &priv->staging_rxon,
+ sizeof(struct iwl_rxon_cmd));
+ }
+ }
+
+ mutex_unlock(&priv->mutex);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+}
+EXPORT_SYMBOL(iwl_bss_info_changed);
+
+int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct iwl_priv *priv = hw->priv;
+ unsigned long flags;
+ __le64 timestamp;
+
+ IWL_DEBUG_MAC80211(priv, "enter\n");
+
+ if (!iwl_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
+ 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)
+ dev_kfree_skb(priv->ibss_beacon);
+
+ priv->ibss_beacon = skb;
+
+ priv->assoc_id = 0;
+ timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp;
+ priv->timestamp = le64_to_cpu(timestamp);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ iwl_reset_qos(priv);
+
+ priv->cfg->ops->lib->post_associate(priv);
+
+
+ return 0;
+}
+EXPORT_SYMBOL(iwl_mac_beacon_update);
+
+int iwl_set_mode(struct iwl_priv *priv, int mode)
+{
+ 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);
+
+ 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;
- IWL_DEBUG_RF_KILL("Manual SW RF KILL set to: RADIO ON\n");
+ iwlcore_commit_rxon(priv);
+
+ return 0;
+}
+EXPORT_SYMBOL(iwl_set_mode);
+
+int iwl_mac_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct iwl_priv *priv = hw->priv;
+ unsigned long flags;
+
+ IWL_DEBUG_MAC80211(priv, "enter: type %d\n", conf->type);
+
+ if (priv->vif) {
+ IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n");
+ return -EOPNOTSUPP;
+ }
spin_lock_irqsave(&priv->lock, flags);
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
+ priv->vif = conf->vif;
+ priv->iw_mode = conf->type;
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ mutex_lock(&priv->mutex);
+
+ if (conf->mac_addr) {
+ IWL_DEBUG_MAC80211(priv, "Set %pM\n", conf->mac_addr);
+ memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
+ }
+
+ if (iwl_set_mode(priv, conf->type) == -EAGAIN)
+ /* we are not ready, will run again when ready */
+ set_bit(STATUS_MODE_PENDING, &priv->status);
+
+ mutex_unlock(&priv->mutex);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+ return 0;
+}
+EXPORT_SYMBOL(iwl_mac_add_interface);
+
+void iwl_mac_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct iwl_priv *priv = hw->priv;
+
+ IWL_DEBUG_MAC80211(priv, "enter\n");
+
+ mutex_lock(&priv->mutex);
+
+ 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) {
+ priv->vif = NULL;
+ memset(priv->bssid, 0, ETH_ALEN);
+ }
+ mutex_unlock(&priv->mutex);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+
+}
+EXPORT_SYMBOL(iwl_mac_remove_interface);
+
+/**
+ * iwl_mac_config - mac80211 config callback
+ *
+ * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to
+ * be set inappropriately and the driver currently sets the hardware up to
+ * use it whenever needed.
+ */
+int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct iwl_priv *priv = hw->priv;
+ const struct iwl_channel_info *ch_info;
+ struct ieee80211_conf *conf = &hw->conf;
+ unsigned long flags = 0;
+ int ret = 0;
+ u16 ch;
+ int scan_active = 0;
+
+ mutex_lock(&priv->mutex);
+
+ IWL_DEBUG_MAC80211(priv, "enter to channel %d changed 0x%X\n",
+ conf->channel->hw_value, changed);
+
+ if (unlikely(!priv->cfg->mod_params->disable_hw_scan &&
+ test_bit(STATUS_SCANNING, &priv->status))) {
+ scan_active = 1;
+ IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
+ }
- /* 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.
+
+ /* during scanning mac80211 will delay channel setting until
+ * scan finish with changed = 0
*/
- if (!priv->is_open)
- clear_bit(STATUS_RF_KILL_SW, &priv->status);
+ if (!changed || (changed & IEEE80211_CONF_CHANGE_CHANNEL)) {
+ if (scan_active)
+ goto set_ch_out;
+
+ ch = ieee80211_frequency_to_channel(conf->channel->center_freq);
+ ch_info = iwl_get_channel_info(priv, conf->channel->band, ch);
+ if (!is_channel_valid(ch_info)) {
+ IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n");
+ ret = -EINVAL;
+ 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;
+ }
+
+ priv->current_ht_config.is_ht = conf_is_ht(conf);
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+
+ /* if we are switching from ht to 2.4 clear flags
+ * from any ht related info since 2.4 does not
+ * support ht */
+ if ((le16_to_cpu(priv->staging_rxon.channel) != ch))
+ priv->staging_rxon.flags = 0;
+
+ iwl_set_rxon_channel(priv, conf->channel);
+
+ iwl_set_flags_for_band(priv, conf->channel->band);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ set_ch_out:
+ /* The list of supported rates and rate mask can be different
+ * for each band; since the band may have changed, reset
+ * the rate mask to what mac80211 lists */
+ iwl_set_rate(priv);
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_PS &&
+ priv->iw_mode == NL80211_IFTYPE_STATION) {
+ priv->power_data.power_disabled =
+ !(conf->flags & IEEE80211_CONF_PS);
+ ret = iwl_power_update_mode(priv, 0);
+ if (ret)
+ IWL_DEBUG_MAC80211(priv, "Error setting power level\n");
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n",
+ priv->tx_power_user_lmt, conf->power_level);
+
+ 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;
+ }
+
+ if (scan_active)
+ goto out;
+
+ if (memcmp(&priv->active_rxon,
+ &priv->staging_rxon, sizeof(priv->staging_rxon)))
+ iwlcore_commit_rxon(priv);
+ else
+ IWL_DEBUG_INFO(priv, "Not re-sending same RXON configuration.\n");
+
+
+out:
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+ mutex_unlock(&priv->mutex);
+ return ret;
+}
+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);
- /* wake up ucode */
- msleep(10);
+ 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;
+ unsigned long flags;
+
+ mutex_lock(&priv->mutex);
+ IWL_DEBUG_MAC80211(priv, "enter\n");
spin_lock_irqsave(&priv->lock, flags);
- iwl_read32(priv, CSR_UCODE_DRV_GP1);
- if (!iwl_grab_nic_access(priv))
- iwl_release_nic_access(priv);
+ memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info));
spin_unlock_irqrestore(&priv->lock, flags);
- if (test_bit(STATUS_RF_KILL_HW, &priv->status)) {
- IWL_DEBUG_RF_KILL("Can not turn radio back on - "
- "disabled by HW switch\n");
- return 0;
+ iwl_reset_qos(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)
+ dev_kfree_skb(priv->ibss_beacon);
+
+ priv->ibss_beacon = NULL;
+
+ 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);
+
+ if (!iwl_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
+ mutex_unlock(&priv->mutex);
+ return;
+ }
+
+ /* 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;
}
- /* If the driver is already loaded, it will receive
- * CARD_STATE_NOTIFICATION notifications and the handler will
- * call restart to reload the driver.
+ iwl_set_rate(priv);
+
+ mutex_unlock(&priv->mutex);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+}
+EXPORT_SYMBOL(iwl_mac_reset_tsf);
+
+#ifdef CONFIG_PM
+
+int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct iwl_priv *priv = pci_get_drvdata(pdev);
+
+ /*
+ * This function is called when system goes into suspend state
+ * mac80211 will call iwl_mac_stop() from the mac80211 suspend function
+ * first but since iwl_mac_stop() has no knowledge of who the caller is,
+ * it will not call apm_ops.stop() to stop the DMA operation.
+ * Calling apm_ops.stop here to make sure we stop the DMA.
*/
- return 1;
+ priv->cfg->ops->lib->apm_ops.stop(priv);
+
+ pci_save_state(pdev);
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
+
+ return 0;
+}
+EXPORT_SYMBOL(iwl_pci_suspend);
+
+int iwl_pci_resume(struct pci_dev *pdev)
+{
+ struct iwl_priv *priv = pci_get_drvdata(pdev);
+ int ret;
+
+ pci_set_power_state(pdev, PCI_D0);
+ ret = pci_enable_device(pdev);
+ if (ret)
+ return ret;
+ pci_restore_state(pdev);
+ iwl_enable_interrupts(priv);
+
+ return 0;
}
-EXPORT_SYMBOL(iwl_radio_kill_sw_enable_radio);
+EXPORT_SYMBOL(iwl_pci_resume);
+
+#endif /* CONFIG_PM */