*
* 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"
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) \
* translate ucode response to mac80211 tx status control values
*/
void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
- struct ieee80211_tx_info *control)
+ struct ieee80211_tx_info *info)
{
int rate_index;
+ struct ieee80211_tx_rate *r = &info->control.rates[0];
- control->antenna_sel_tx =
+ info->antenna_sel_tx =
((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
if (rate_n_flags & RATE_MCS_HT_MSK)
- control->flags |= IEEE80211_TX_CTL_OFDM_HT;
+ r->flags |= IEEE80211_TX_RC_MCS;
if (rate_n_flags & RATE_MCS_GF_MSK)
- control->flags |= IEEE80211_TX_CTL_GREEN_FIELD;
+ r->flags |= IEEE80211_TX_RC_GREEN_FIELD;
if (rate_n_flags & RATE_MCS_FAT_MSK)
- control->flags |= IEEE80211_TX_CTL_40_MHZ_WIDTH;
+ r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
if (rate_n_flags & RATE_MCS_DUP_MSK)
- control->flags |= IEEE80211_TX_CTL_DUP_DATA;
+ r->flags |= IEEE80211_TX_RC_DUP_DATA;
if (rate_n_flags & RATE_MCS_SGI_MSK)
- control->flags |= IEEE80211_TX_CTL_SHORT_GI;
+ r->flags |= IEEE80211_TX_RC_SHORT_GI;
rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags);
- if (control->band == IEEE80211_BAND_5GHZ)
+ if (info->band == IEEE80211_BAND_5GHZ)
rate_index -= IWL_FIRST_OFDM_RATE;
- control->tx_rate_idx = rate_index;
+ r->idx = rate_index;
}
EXPORT_SYMBOL(iwl_hwrate_to_tx_control);
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 (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->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;
- priv->num_stations = 0;
- memset(priv->stations, 0, sizeof(priv->stations));
+ if (priv->current_ht_config.is_ht)
+ priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
- /* clean ucode key table bit map */
- priv->ucode_key_table = 0;
+ 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);
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;
}
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);
}
EXPORT_SYMBOL(iwl_reset_qos);
-#define MAX_BIT_RATE_40_MHZ 0x96 /* 150 Mbps */
-#define MAX_BIT_RATE_20_MHZ 0x48 /* 72 Mbps */
+#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
+#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv,
- struct ieee80211_ht_info *ht_info,
+ struct ieee80211_sta_ht_cap *ht_info,
enum ieee80211_band band)
{
u16 max_bit_rate = 0;
u8 tx_chains_num = priv->hw_params.tx_chains_num;
ht_info->cap = 0;
- memset(ht_info->supp_mcs_set, 0, 16);
+ memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
- ht_info->ht_supported = 1;
+ ht_info->ht_supported = true;
- ht_info->cap |= (u16)IEEE80211_HT_CAP_GRN_FLD;
- ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_20;
- ht_info->cap |= (u16)(IEEE80211_HT_CAP_SM_PS &
+ ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
+ ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
+ ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
(WLAN_HT_CAP_SM_PS_DISABLED << 2));
max_bit_rate = MAX_BIT_RATE_20_MHZ;
if (priv->hw_params.fat_channel & BIT(band)) {
- ht_info->cap |= (u16)IEEE80211_HT_CAP_SUP_WIDTH;
- ht_info->cap |= (u16)IEEE80211_HT_CAP_SGI_40;
- ht_info->supp_mcs_set[4] = 0x01;
+ ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
+ ht_info->mcs.rx_mask[4] = 0x01;
max_bit_rate = MAX_BIT_RATE_40_MHZ;
}
if (priv->cfg->mod_params->amsdu_size_8K)
- ht_info->cap |= (u16)IEEE80211_HT_CAP_MAX_AMSDU;
+ ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
- ht_info->supp_mcs_set[0] = 0xFF;
+ ht_info->mcs.rx_mask[0] = 0xFF;
if (rx_chains_num >= 2)
- ht_info->supp_mcs_set[1] = 0xFF;
+ ht_info->mcs.rx_mask[1] = 0xFF;
if (rx_chains_num >= 3)
- ht_info->supp_mcs_set[2] = 0xFF;
+ ht_info->mcs.rx_mask[2] = 0xFF;
/* Highest supported Rx data rate */
max_bit_rate *= rx_chains_num;
- ht_info->supp_mcs_set[10] = (u8)(max_bit_rate & 0x00FF);
- ht_info->supp_mcs_set[11] = (u8)((max_bit_rate & 0xFF00) >> 8);
+ WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK);
+ ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate);
/* Tx MCS capabilities */
- ht_info->supp_mcs_set[12] = IEEE80211_HT_CAP_MCS_TX_DEFINED;
+ ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
if (tx_chains_num != rx_chains_num) {
- ht_info->supp_mcs_set[12] |= IEEE80211_HT_CAP_MCS_TX_RX_DIFF;
- ht_info->supp_mcs_set[12] |= ((tx_chains_num - 1) << 2);
+ ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
+ ht_info->mcs.tx_params |= ((tx_chains_num - 1) <<
+ IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
}
}
}
}
+
/**
* 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;
}
sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE;
if (priv->cfg->sku & IWL_SKU_N)
- iwlcore_init_ht_hw_capab(priv, &sband->ht_info,
+ iwlcore_init_ht_hw_capab(priv, &sband->ht_cap,
IEEE80211_BAND_5GHZ);
sband = &priv->bands[IEEE80211_BAND_2GHZ];
sband->n_bitrates = IWL_RATE_COUNT;
if (priv->cfg->sku & IWL_SKU_N)
- iwlcore_init_ht_hw_capab(priv, &sband->ht_info,
+ iwlcore_init_ht_hw_capab(priv, &sband->ht_cap,
IEEE80211_BAND_2GHZ);
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)
{
return !priv->current_ht_config.is_ht ||
- ((priv->current_ht_config.supp_mcs_set[1] == 0) &&
- (priv->current_ht_config.supp_mcs_set[2] == 0));
+ ((priv->current_ht_config.mcs.rx_mask[1] == 0) &&
+ (priv->current_ht_config.mcs.rx_mask[2] == 0));
}
static u8 iwl_is_channel_extension(struct iwl_priv *priv,
if (!is_channel_valid(ch_info))
return 0;
- if (extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_ABOVE)
+ if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
return !(ch_info->fat_extension_channel &
IEEE80211_CHAN_NO_FAT_ABOVE);
- else if (extension_chan_offset == IEEE80211_HT_IE_CHA_SEC_BELOW)
+ else if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW)
return !(ch_info->fat_extension_channel &
IEEE80211_CHAN_NO_FAT_BELOW);
}
u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
- struct ieee80211_ht_info *sta_ht_inf)
+ struct ieee80211_sta_ht_cap *sta_ht_inf)
{
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_IE_CHA_SEC_NONE))
+ (iwl_ht_conf->extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE))
return 0;
if (sta_ht_inf) {
if ((!sta_ht_inf->ht_supported) ||
- (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH)))
+ (!(sta_ht_inf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)))
return 0;
}
return iwl_is_channel_extension(priv, priv->band,
- iwl_ht_conf->control_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);
+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.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;
rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
RXON_FLG_CHANNEL_MODE_PURE_40_MSK);
- if (le16_to_cpu(rxon->channel) != ht_info->control_channel) {
- IWL_DEBUG_ASSOC("control diff than current %d %d\n",
- le16_to_cpu(rxon->channel),
- ht_info->control_channel);
- return;
- }
-
/* Note: control channel is opposite of extension channel */
switch (ht_info->extension_chan_offset) {
- case IEEE80211_HT_IE_CHA_SEC_ABOVE:
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
break;
- case IEEE80211_HT_IE_CHA_SEC_BELOW:
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
break;
- case IEEE80211_HT_IE_CHA_SEC_NONE:
+ case IEEE80211_HT_PARAM_CHA_SEC_NONE:
default:
rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK;
break;
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 "
- "control chan %d\n",
- ht_info->supp_mcs_set[0],
- ht_info->supp_mcs_set[1],
- ht_info->supp_mcs_set[2],
+ "extension channel offset 0x%x\n",
+ ht_info->mcs.rx_mask[0],
+ ht_info->mcs.rx_mask[1],
+ ht_info->mcs.rx_mask[2],
le32_to_cpu(rxon->flags), ht_info->ht_protection,
- ht_info->extension_chan_offset,
- ht_info->control_channel);
+ ht_info->extension_chan_offset);
return;
}
EXPORT_SYMBOL(iwl_set_rxon_ht);
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).
+ */
+static bool iwl_is_monitor_mode(struct iwl_priv *priv)
+{
+ return !!(priv->staging_rxon.filter_flags & RXON_FILTER_PROMISC_MSK);
+}
+
/**
* 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 = 0x07 << RXON_RX_CHAIN_VALID_POS;
+ rx_chain |= 0x06 << RXON_RX_CHAIN_FORCE_SEL_POS;
+ rx_chain |= 0x07 << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS;
+ rx_chain |= 0x01 << 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);
+void iwl_set_flags_for_band(struct iwl_priv *priv,
+ enum ieee80211_band band)
+{
+ 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->iw_mode == NL80211_IFTYPE_ADHOC)
+ priv->staging_rxon.flags &= ~RXON_FLG_SHORT_SLOT_MSK;
+
+ 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;
+ }
+}
+EXPORT_SYMBOL(iwl_set_flags_for_band);
+
+/*
+ * initialize rxon structure with default values from eeprom
+ */
+void iwl_connection_init_rx_config(struct iwl_priv *priv, int mode)
+{
+ const struct iwl_channel_info *ch_info;
+
+ memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
+
+ switch (mode) {
+ case NL80211_IFTYPE_AP:
+ priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
+ break;
+
+ case NL80211_IFTYPE_STATION:
+ priv->staging_rxon.dev_type = RXON_DEV_TYPE_ESS;
+ priv->staging_rxon.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
+ break;
+
+ 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;
+
+ case NL80211_IFTYPE_MONITOR:
+ priv->staging_rxon.dev_type = RXON_DEV_TYPE_SNIFFER;
+ priv->staging_rxon.filter_flags = RXON_FILTER_PROMISC_MSK |
+ RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
+ break;
+ default:
+ IWL_ERR(priv, "Unsupported interface type %d\n", mode);
+ break;
+ }
+
+#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
+
+ ch_info = iwl_get_channel_info(priv, priv->band,
+ le16_to_cpu(priv->active_rxon.channel));
+
+ 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;
+
+ 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;
+
+ priv->staging_rxon.flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
+ RXON_FLG_CHANNEL_MODE_PURE_40_MSK);
+ 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;
+}
+EXPORT_SYMBOL(iwl_connection_init_rx_config);
+
+void iwl_set_rate(struct iwl_priv *priv)
+{
+ const struct ieee80211_supported_band *hw = NULL;
+ struct ieee80211_rate *rate;
+ int i;
+
+ hw = iwl_get_hw_mode(priv, priv->band);
+ if (!hw) {
+ IWL_ERR(priv, "Failed to set rate: unable to get hw mode\n");
+ return;
+ }
+
+ priv->active_rate = 0;
+ priv->active_rate_basic = 0;
+
+ 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_DEBUG_RATE(priv, "Set active_rate = %0x, active_rate_basic = %0x\n",
+ priv->active_rate, priv->active_rate_basic);
+
+ /*
+ * 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;
+}
+EXPORT_SYMBOL(iwl_set_rate);
+
+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);
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+static void iwl_print_rx_config_cmd(struct iwl_priv *priv)
+{
+ struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
+
+ IWL_DEBUG_RADIO(priv, "RX CONFIG:\n");
+ iwl_print_hex_dump(priv, 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
+
+/**
+ * iwl_irq_handle_error - called for HW or SW error interrupt from card
+ */
+void iwl_irq_handle_error(struct iwl_priv *priv)
+{
+ /* Set the FW error flag -- cleared on iwl_down */
+ set_bit(STATUS_FW_ERROR, &priv->status);
+
+ /* Cancel currently queued command. */
+ clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+ if (priv->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
+
+ wake_up_interruptible(&priv->wait_command_queue);
+
+ /* Keep the restart process from trying to send host
+ * commands by clearing the INIT status bit */
+ clear_bit(STATUS_READY, &priv->status);
+
+ if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) {
+ IWL_DEBUG(priv, IWL_DL_FW_ERRORS,
+ "Restarting adapter due to uCode error.\n");
+
+ if (iwl_is_associated(priv)) {
+ memcpy(&priv->recovery_rxon, &priv->active_rxon,
+ sizeof(priv->recovery_rxon));
+ priv->error_recovering = 1;
+ }
+ if (priv->cfg->mod_params->restart_fw)
+ queue_work(priv->workqueue, &priv->restart);
+ }
+}
+EXPORT_SYMBOL(iwl_irq_handle_error);
+
+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)
+{
+ struct iwl_priv *priv = hw->priv;
+ __le32 *filter_flags = &priv->staging_rxon.filter_flags;
+
+ IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n",
+ changed_flags, *total_flags);
+
+ 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_configure_filter);
+
int iwl_setup_mac(struct iwl_priv *priv)
{
int ret;
/* Tell mac80211 our characteristics */
hw->flags = IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_NOISE_DBM;
+ IEEE80211_HW_NOISE_DBM |
+ IEEE80211_HW_AMPDU_AGGREGATION |
+ IEEE80211_HW_SUPPORTS_PS;
hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
+
+ hw->wiphy->custom_regulatory = true;
+ hw->wiphy->max_scan_ssids = 1;
+
/* Default value; 4 EDCA QOS priorities */
hw->queues = 4;
/* queues to support 11n aggregation */
ret = ieee80211_register_hw(priv->hw);
if (ret) {
- IWL_ERROR("Failed to register hw (error %d)\n", ret);
+ IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
return ret;
}
priv->mac80211_registered = 1;
{
int ret;
- priv->retry_rate = 1;
priv->ibss_beacon = NULL;
spin_lock_init(&priv->lock);
priv->iw_mode = NL80211_IFTYPE_STATION;
- priv->use_ant_b_for_management_frame = 1; /* start with ant B */
priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED;
/* Choose which receivers/antennas to use */
iwl_set_rxon_chain(priv);
iwl_init_scan_params(priv);
- if (priv->cfg->mod_params->enable_qos)
- priv->qos_data.qos_enable = 1;
-
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 AC mode */
- priv->power_mode = IWL_POWER_AC;
+ /* 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_ERROR("initializing regulatory failed: %d\n", ret);
+ IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
goto err;
}
ret = iwlcore_init_geos(priv);
if (ret) {
- IWL_ERROR("initializing geos failed: %d\n", 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;
{
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);
+ 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_WARNING("Requested user TXPOWER %d above limit.\n",
- priv->tx_power_user_lmt);
+ IWL_WARN(priv, "Requested user TXPOWER %d above upper limit %d.\n",
+ tx_power,
+ IWL_TX_POWER_TARGET_POWER_MAX);
return -EINVAL;
}
}
EXPORT_SYMBOL(iwl_uninit_drv);
+
+void iwl_disable_interrupts(struct iwl_priv *priv)
+{
+ clear_bit(STATUS_INT_ENABLED, &priv->status);
+
+ /* disable interrupts from uCode/NIC to host */
+ iwl_write32(priv, CSR_INT_MASK, 0x00000000);
+
+ /* acknowledge/clear/reset any interrupts still pending
+ * from uCode or flow handler (Rx/Tx DMA) */
+ iwl_write32(priv, CSR_INT, 0xffffffff);
+ iwl_write32(priv, CSR_FH_INT_STATUS, 0xffffffff);
+ IWL_DEBUG_ISR(priv, "Disabled interrupts\n");
+}
+EXPORT_SYMBOL(iwl_disable_interrupts);
+
+void iwl_enable_interrupts(struct iwl_priv *priv)
+{
+ IWL_DEBUG_ISR(priv, "Enabling interrupts\n");
+ set_bit(STATUS_INT_ENABLED, &priv->status);
+ iwl_write32(priv, CSR_INT_MASK, CSR_INI_SET_MASK);
+}
+EXPORT_SYMBOL(iwl_enable_interrupts);
+
+irqreturn_t iwl_isr(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);
+
+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;
u32 errcnt = 0;
u32 i;
- IWL_DEBUG_INFO("ucode inst image size is %u\n", len);
+ IWL_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
ret = iwl_grab_nic_access(priv);
if (ret)
/* 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);
+ i + IWL49_RTC_INST_LOWER_BOUND);
val = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
if (val != le32_to_cpu(*image)) {
ret = -EIO;
int ret = 0;
u32 errcnt;
- IWL_DEBUG_INFO("ucode inst image size is %u\n", len);
+ IWL_DEBUG_INFO(priv, "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);
+ iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
+ IWL49_RTC_INST_LOWER_BOUND);
errcnt = 0;
for (; len > 0; len -= sizeof(u32), image++) {
* 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 "
+ 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;
iwl_release_nic_access(priv);
if (!errcnt)
- IWL_DEBUG_INFO
- ("ucode image in INSTRUCTION memory is good\n");
+ IWL_DEBUG_INFO(priv,
+ "ucode image in INSTRUCTION memory is good\n");
return ret;
}
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");
+ IWL_DEBUG_INFO(priv, "Bootstrap uCode is good in inst SRAM\n");
return 0;
}
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");
+ IWL_DEBUG_INFO(priv, "Initialize uCode is good in inst SRAM\n");
return 0;
}
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");
+ IWL_DEBUG_INFO(priv, "Runtime uCode is good in inst SRAM\n");
return 0;
}
- IWL_ERROR("NO VALID UCODE IMAGE IN INSTRUCTION SRAM!!\n");
+ 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.
}
EXPORT_SYMBOL(iwl_verify_ucode);
+
+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"
+};
+
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";
- }
+ int max = ARRAY_SIZE(desc_lookup_text) - 1;
+
+ if (i < 0 || i > max)
+ i = max;
- return "UNKNOWN";
+ return desc_lookup_text[i];
}
#define ERROR_START_OFFSET (1 * sizeof(u32))
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);
+ IWL_ERR(priv, "Not valid error log pointer 0x%08X\n", base);
return;
}
ret = iwl_grab_nic_access(priv);
if (ret) {
- IWL_WARNING("Can not read from adapter at this time.\n");
+ IWL_WARN(priv, "Can not read from adapter at this time.\n");
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);
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);
}
}
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);
+ IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
return;
}
ret = iwl_grab_nic_access(priv);
if (ret) {
- IWL_WARNING("Can not read from adapter at this time.\n");
+ IWL_WARN(priv, "Can not read from adapter at this time.\n");
return;
}
/* bail out if nothing in log */
if (size == 0) {
- IWL_ERROR("Start IWL Event Log Dump: nothing in log\n");
+ IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
iwl_release_nic_access(priv);
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,
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");
+ IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
else
- IWL_DEBUG_INFO("REPLY_CT_KILL_CONFIG_CMD succeeded, "
+ 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
*
* 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)
+int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag)
{
struct iwl_host_cmd cmd = {
.id = REPLY_CARD_STATE_CMD,
return iwl_send_cmd(priv, &cmd);
}
+EXPORT_SYMBOL(iwl_send_card_state);
void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv)
{
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_RF_KILL(priv, "Manual SW RF KILL set to: RADIO OFF\n");
iwl_scan_cancel(priv);
/* FIXME: This is a workaround for AP */
if (!test_bit(STATUS_RF_KILL_SW, &priv->status))
return 0;
- IWL_DEBUG_RF_KILL("Manual SW RF KILL set to: RADIO ON\n");
+ IWL_DEBUG_RF_KILL(priv, "Manual SW RF KILL set to: RADIO ON\n");
spin_lock_irqsave(&priv->lock, flags);
iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
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 - "
+ IWL_DEBUG_RF_KILL(priv, "Can not turn radio back on - "
"disabled by HW switch\n");
return 0;
}
+ /* when driver is up while rfkill is on, it wont receive
+ * any CARD_STATE_NOTIFICATION notifications so we have to
+ * restart it in here
+ */
+ if (priv->is_open && !test_bit(STATUS_ALIVE, &priv->status)) {
+ clear_bit(STATUS_RF_KILL_SW, &priv->status);
+ if (!iwl_is_rfkill(priv))
+ queue_work(priv->workqueue, &priv->up);
+ }
+
/* If the driver is already loaded, it will receive
* CARD_STATE_NOTIFICATION notifications and the handler will
* call restart to reload the driver.
return 1;
}
EXPORT_SYMBOL(iwl_radio_kill_sw_enable_radio);
+
+void iwl_bg_rf_kill(struct work_struct *work)
+{
+ struct iwl_priv *priv = container_of(work, struct iwl_priv, rf_kill);
+
+ wake_up_interruptible(&priv->wait_command_queue);
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ mutex_lock(&priv->mutex);
+
+ if (!iwl_is_rfkill(priv)) {
+ IWL_DEBUG_RF_KILL(priv,
+ "HW and/or SW RF Kill no longer active, restarting "
+ "device\n");
+ if (!test_bit(STATUS_EXIT_PENDING, &priv->status) &&
+ test_bit(STATUS_ALIVE, &priv->status))
+ queue_work(priv->workqueue, &priv->restart);
+ } else {
+ /* make sure mac80211 stop sending Tx frame */
+ if (priv->mac80211_registered)
+ ieee80211_stop_queues(priv->hw);
+
+ if (!test_bit(STATUS_RF_KILL_HW, &priv->status))
+ IWL_DEBUG_RF_KILL(priv, "Can not turn radio back on - "
+ "disabled by SW switch\n");
+ else
+ IWL_WARN(priv, "Radio Frequency Kill Switch is On:\n"
+ "Kill switch must be turned off for "
+ "wireless networking to work.\n");
+ }
+ mutex_unlock(&priv->mutex);
+ iwl_rfkill_set_hw_state(priv);
+}
+EXPORT_SYMBOL(iwl_bg_rf_kill);
+
+void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+#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(priv, 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);
+
projects / linux-2.6-omap-h63xx.git / blobdiff