#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/etherdevice.h>
+#include <linux/sched.h>
#include <net/mac80211.h>
#include "iwl-eeprom.h"
#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_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
MODULE_LICENSE("GPL");
+static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
+ {COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
+ 0, COEX_UNASSOC_IDLE_FLAGS},
+ {COEX_CU_UNASSOC_MANUAL_SCAN_RP, COEX_CU_UNASSOC_MANUAL_SCAN_WP,
+ 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
+ {COEX_CU_UNASSOC_AUTO_SCAN_RP, COEX_CU_UNASSOC_AUTO_SCAN_WP,
+ 0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
+ {COEX_CU_CALIBRATION_RP, COEX_CU_CALIBRATION_WP,
+ 0, COEX_CALIBRATION_FLAGS},
+ {COEX_CU_PERIODIC_CALIBRATION_RP, COEX_CU_PERIODIC_CALIBRATION_WP,
+ 0, COEX_PERIODIC_CALIBRATION_FLAGS},
+ {COEX_CU_CONNECTION_ESTAB_RP, COEX_CU_CONNECTION_ESTAB_WP,
+ 0, COEX_CONNECTION_ESTAB_FLAGS},
+ {COEX_CU_ASSOCIATED_IDLE_RP, COEX_CU_ASSOCIATED_IDLE_WP,
+ 0, COEX_ASSOCIATED_IDLE_FLAGS},
+ {COEX_CU_ASSOC_MANUAL_SCAN_RP, COEX_CU_ASSOC_MANUAL_SCAN_WP,
+ 0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
+ {COEX_CU_ASSOC_AUTO_SCAN_RP, COEX_CU_ASSOC_AUTO_SCAN_WP,
+ 0, COEX_ASSOC_AUTO_SCAN_FLAGS},
+ {COEX_CU_ASSOC_ACTIVE_LEVEL_RP, COEX_CU_ASSOC_ACTIVE_LEVEL_WP,
+ 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
+ {COEX_CU_RF_ON_RP, COEX_CU_RF_ON_WP, 0, COEX_CU_RF_ON_FLAGS},
+ {COEX_CU_RF_OFF_RP, COEX_CU_RF_OFF_WP, 0, COEX_RF_OFF_FLAGS},
+ {COEX_CU_STAND_ALONE_DEBUG_RP, COEX_CU_STAND_ALONE_DEBUG_WP,
+ 0, COEX_STAND_ALONE_DEBUG_FLAGS},
+ {COEX_CU_IPAN_ASSOC_LEVEL_RP, COEX_CU_IPAN_ASSOC_LEVEL_WP,
+ 0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
+ {COEX_CU_RSRVD1_RP, COEX_CU_RSRVD1_WP, 0, COEX_RSRVD1_FLAGS},
+ {COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS}
+};
+
#define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \
[IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \
IWL_RATE_SISO_##s##M_PLCP, \
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
void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
struct ieee80211_tx_info *info)
{
- int rate_index;
struct ieee80211_tx_rate *r = &info->control.rates[0];
info->antenna_sel_tx =
r->flags |= IEEE80211_TX_RC_MCS;
if (rate_n_flags & RATE_MCS_GF_MSK)
r->flags |= IEEE80211_TX_RC_GREEN_FIELD;
- if (rate_n_flags & RATE_MCS_FAT_MSK)
+ if (rate_n_flags & RATE_MCS_HT40_MSK)
r->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
if (rate_n_flags & RATE_MCS_DUP_MSK)
r->flags |= IEEE80211_TX_RC_DUP_DATA;
if (rate_n_flags & RATE_MCS_SGI_MSK)
r->flags |= IEEE80211_TX_RC_SHORT_GI;
- rate_index = iwl_hwrate_to_plcp_idx(rate_n_flags);
- if (info->band == IEEE80211_BAND_5GHZ)
- rate_index -= IWL_FIRST_OFDM_RATE;
- r->idx = rate_index;
+ r->idx = iwl_hwrate_to_mac80211_idx(rate_n_flags, info->band);
}
EXPORT_SYMBOL(iwl_hwrate_to_tx_control);
}
EXPORT_SYMBOL(iwl_hwrate_to_plcp_idx);
+int iwl_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band)
+{
+ int idx = 0;
+ int band_offset = 0;
+
+ /* HT rate format: mac80211 wants an MCS number, which is just LSB */
+ if (rate_n_flags & RATE_MCS_HT_MSK) {
+ idx = (rate_n_flags & 0xff);
+ return idx;
+ /* Legacy rate format, search for match in table */
+ } else {
+ if (band == IEEE80211_BAND_5GHZ)
+ band_offset = IWL_FIRST_OFDM_RATE;
+ for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++)
+ if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF))
+ return idx - band_offset;
+ }
+
+ return -1;
+}
+
u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant)
{
int i;
}
return ant;
}
+EXPORT_SYMBOL(iwl_toggle_tx_ant);
const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
EXPORT_SYMBOL(iwl_bcast_addr);
/* nic_init */
spin_lock_irqsave(&priv->lock, flags);
priv->cfg->ops->lib->apm_ops.init(priv);
- iwl_write32(priv, CSR_INT_COALESCING, 512 / 32);
+
+ /* Set interrupt coalescing calibration timer to default (512 usecs) */
+ iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF);
+
spin_unlock_irqrestore(&priv->lock, flags);
ret = priv->cfg->ops->lib->apm_ops.set_pwr_src(priv, IWL_PWR_SRC_VMAIN);
}
EXPORT_SYMBOL(iwl_hw_nic_init);
+/*
+ * QoS support
+*/
+void iwl_activate_qos(struct iwl_priv *priv, u8 force)
+{
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ 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 (priv->current_ht_config.is_ht)
+ priv->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
+
+ 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);
+
+ iwl_send_cmd_pdu_async(priv, REPLY_QOS_PARAM,
+ sizeof(struct iwl_qosparam_cmd),
+ &priv->qos_data.def_qos_parm, NULL);
+ }
+}
+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;
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);
}
ht_info->ht_supported = true;
- ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
+ if (priv->cfg->ht_greenfield_support)
+ ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
- ht_info->cap |= (IEEE80211_HT_CAP_SM_PS &
- (WLAN_HT_CAP_SM_PS_DISABLED << 2));
-
max_bit_rate = MAX_BIT_RATE_20_MHZ;
- if (priv->hw_params.fat_channel & BIT(band)) {
+ if (priv->hw_params.ht40_channel & BIT(band)) {
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;
}
}
-static void iwlcore_init_hw_rates(struct iwl_priv *priv,
- struct ieee80211_rate *rates)
-{
- int i;
-
- for (i = 0; i < IWL_RATE_COUNT; i++) {
- rates[i].bitrate = iwl_rates[i].ieee * 5;
- rates[i].hw_value = i; /* Rate scaling will work on indexes */
- rates[i].hw_value_short = i;
- rates[i].flags = 0;
- if ((i > IWL_LAST_OFDM_RATE) || (i < IWL_FIRST_OFDM_RATE)) {
- /*
- * If CCK != 1M then set short preamble rate flag.
- */
- rates[i].flags |=
- (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
- 0 : IEEE80211_RATE_SHORT_PREAMBLE;
- }
- }
-}
-
-
/**
* iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom
*/
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;
}
if (!channels)
return -ENOMEM;
- rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)),
+ rates = kzalloc((sizeof(struct ieee80211_rate) * IWL_RATE_COUNT_LEGACY),
GFP_KERNEL);
if (!rates) {
kfree(channels);
sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)];
/* just OFDM */
sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
- sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE;
+ sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE;
if (priv->cfg->sku & IWL_SKU_N)
iwlcore_init_ht_hw_capab(priv, &sband->ht_cap,
sband->channels = channels;
/* OFDM & CCK */
sband->bitrates = rates;
- sband->n_bitrates = IWL_RATE_COUNT;
+ sband->n_bitrates = IWL_RATE_COUNT_LEGACY;
if (priv->cfg->sku & IWL_SKU_N)
iwlcore_init_ht_hw_capab(priv, &sband->ht_cap,
if (ch->flags & EEPROM_CHANNEL_RADAR)
geo_ch->flags |= IEEE80211_CHAN_RADAR;
- geo_ch->flags |= ch->fat_extension_channel;
+ geo_ch->flags |= ch->ht40_extension_channel;
- if (ch->max_power_avg > priv->tx_power_channel_lmt)
- priv->tx_power_channel_lmt = ch->max_power_avg;
+ if (ch->max_power_avg > priv->tx_power_device_lmt)
+ priv->tx_power_device_lmt = ch->max_power_avg;
} else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
- /* 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 ?
}
EXPORT_SYMBOL(iwlcore_free_geos);
+/*
+ * iwlcore_rts_tx_cmd_flag: Set rts/cts. 3945 and 4965 only share this
+ * function.
+ */
+void iwlcore_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
+ __le32 *tx_flags)
+{
+ if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
+ *tx_flags |= TX_CMD_FLG_RTS_MSK;
+ *tx_flags &= ~TX_CMD_FLG_CTS_MSK;
+ } else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
+ *tx_flags &= ~TX_CMD_FLG_RTS_MSK;
+ *tx_flags |= TX_CMD_FLG_CTS_MSK;
+ }
+}
+EXPORT_SYMBOL(iwlcore_rts_tx_cmd_flag);
+
static bool is_single_rx_stream(struct iwl_priv *priv)
{
- return !priv->current_ht_config.is_ht ||
- ((priv->current_ht_config.mcs.rx_mask[1] == 0) &&
- (priv->current_ht_config.mcs.rx_mask[2] == 0));
+ return priv->current_ht_config.smps == IEEE80211_SMPS_STATIC ||
+ priv->current_ht_config.single_chain_sufficient;
}
static u8 iwl_is_channel_extension(struct iwl_priv *priv,
return 0;
if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
- return !(ch_info->fat_extension_channel &
- IEEE80211_CHAN_NO_FAT_ABOVE);
+ return !(ch_info->ht40_extension_channel &
+ 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);
+ return !(ch_info->ht40_extension_channel &
+ IEEE80211_CHAN_NO_HT40MINUS);
return 0;
}
-u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
+u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
struct ieee80211_sta_ht_cap *sta_ht_inf)
{
- struct iwl_ht_info *iwl_ht_conf = &priv->current_ht_config;
+ struct iwl_ht_config *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))
+ if (!ht_conf->is_ht || !ht_conf->is_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;
}
-
+#ifdef CONFIG_IWLWIFI_DEBUG
+ if (priv->disable_ht40)
+ return 0;
+#endif
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),
+ ht_conf->extension_chan_offset);
+}
+EXPORT_SYMBOL(iwl_is_ht40_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_is_fat_tx_allowed);
+EXPORT_SYMBOL(iwl_setup_rxon_timing);
void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt)
{
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;
}
EXPORT_SYMBOL(iwl_rate_get_lowest_plcp);
-void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
+void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
{
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 |
+ if (!ht_conf->is_ht) {
+ rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
- RXON_FLG_FAT_PROT_MSK |
+ RXON_FLG_HT40_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_conf->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS);
+
+ /* Set up channel bandwidth:
+ * 20 MHz only, 20/40 mixed or pure 40 if ht40 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_ht40_tx_allowed(priv, NULL)) {
+ /* pure ht40 */
+ if (ht_conf->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_conf->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_conf->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;
-
- rxon->flags |= cpu_to_le32(val << RXON_FLG_HT_OPERATING_MODE_POS);
-
- iwl_set_rxon_chain(priv);
+ if (priv->cfg->ops->hcmd->set_rxon_chain)
+ priv->cfg->ops->hcmd->set_rxon_chain(priv);
- IWL_DEBUG_ASSOC("supported HT rate 0x%X 0x%X 0x%X "
- "rxon flags 0x%X operation mode :0x%X "
+ IWL_DEBUG_ASSOC(priv, "rxon flags 0x%X operation mode :0x%X "
"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);
+ le32_to_cpu(rxon->flags), ht_conf->ht_protection,
+ ht_conf->extension_chan_offset);
return;
}
EXPORT_SYMBOL(iwl_set_rxon_ht);
#define IWL_NUM_IDLE_CHAINS_DUAL 2
#define IWL_NUM_IDLE_CHAINS_SINGLE 1
-/* Determine how many receiver/antenna chains to use.
- * More provides better reception via diversity. Fewer saves power.
+/*
+ * Determine how many receiver/antenna chains to use.
+ *
+ * More provides better reception via diversity. Fewer saves power
+ * at the expense of throughput, but only when not in powersave to
+ * start with.
+ *
* MIMO (dual stream) requires at least 2, but works better with 3.
* This does not determine *which* chains to use, just how many.
*/
static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
{
- bool is_single = is_single_rx_stream(priv);
- bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
-
/* # of Rx chains to use when expecting MIMO. */
- if (is_single || (!is_cam && (priv->current_ht_config.sm_ps ==
- WLAN_HT_CAP_SM_PS_STATIC)))
+ if (is_single_rx_stream(priv))
return IWL_NUM_RX_CHAINS_SINGLE;
else
return IWL_NUM_RX_CHAINS_MULTIPLE;
}
+/*
+ * When we are in power saving mode, unless device support spatial
+ * multiplexing power save, use the active count for rx chain count.
+ */
static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
{
- int idle_cnt;
- bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
- /* # Rx chains when idling and maybe trying to save power */
- switch (priv->current_ht_config.sm_ps) {
- case WLAN_HT_CAP_SM_PS_STATIC:
- case WLAN_HT_CAP_SM_PS_DYNAMIC:
- idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL :
- IWL_NUM_IDLE_CHAINS_SINGLE;
- break;
- case WLAN_HT_CAP_SM_PS_DISABLED:
- idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE;
- break;
- case WLAN_HT_CAP_SM_PS_INVALID:
+ /* # Rx chains when idling, depending on SMPS mode */
+ switch (priv->current_ht_config.smps) {
+ case IEEE80211_SMPS_STATIC:
+ case IEEE80211_SMPS_DYNAMIC:
+ return IWL_NUM_IDLE_CHAINS_SINGLE;
+ case IEEE80211_SMPS_OFF:
+ return active_cnt;
default:
- IWL_ERR(priv, "invalid mimo ps mode %d\n",
- priv->current_ht_config.sm_ps);
- WARN_ON(1);
- idle_cnt = -1;
- break;
+ WARN(1, "invalid SMPS mode %d",
+ priv->current_ht_config.smps);
+ return active_cnt;
}
- return idle_cnt;
}
/* up to 4 chains */
res = (chain_bitmap & BIT(0)) >> 0;
res += (chain_bitmap & BIT(1)) >> 1;
res += (chain_bitmap & BIT(2)) >> 2;
- res += (chain_bitmap & BIT(4)) >> 4;
+ res += (chain_bitmap & BIT(3)) >> 3;
return res;
}
* 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)
+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
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;
+ 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);
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;
}
priv->staging_rxon.flags &= ~RXON_FLG_CCK_MSK;
}
}
-EXPORT_SYMBOL(iwl_set_flags_for_band);
/*
* initialize rxon structure with default values from eeprom
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;
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);
+ /* 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);
-void iwl_set_rate(struct iwl_priv *priv)
+static void iwl_set_rate(struct iwl_priv *priv)
{
const struct ieee80211_supported_band *hw = NULL;
struct ieee80211_rate *rate;
for (i = 0; i < hw->n_bitrates; i++) {
rate = &(hw->bitrates[i]);
- if (rate->hw_value < IWL_RATE_COUNT)
+ if (rate->hw_value < IWL_RATE_COUNT_LEGACY)
priv->active_rate |= (1 << rate->hw_value);
}
- IWL_DEBUG_RATE("Set active_rate = %0x, active_rate_basic = %0x\n",
+ IWL_DEBUG_RATE(priv, "Set active_rate = %0x, active_rate_basic = %0x\n",
priv->active_rate, priv->active_rate_basic);
/*
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_rx_packet *pkt = rxb_addr(rxb);
struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
- IWL_DEBUG_11H("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;
+
+ if (priv->switch_rxon.switch_in_progress) {
+ if (!le32_to_cpu(csa->status) &&
+ (csa->channel == priv->switch_rxon.channel)) {
+ rxon->channel = csa->channel;
+ priv->staging_rxon.channel = csa->channel;
+ IWL_DEBUG_11H(priv, "CSA notif: channel %d\n",
+ le16_to_cpu(csa->channel));
+ } else
+ IWL_ERR(priv, "CSA notif (fail) : channel %d\n",
+ le16_to_cpu(csa->channel));
+
+ priv->switch_rxon.switch_in_progress = false;
+ }
}
EXPORT_SYMBOL(iwl_rx_csa);
#ifdef CONFIG_IWLWIFI_DEBUG
-static void iwl_print_rx_config_cmd(struct iwl_priv *priv)
+void iwl_print_rx_config_cmd(struct iwl_priv *priv)
{
struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
- IWL_DEBUG_RADIO("RX CONFIG:\n");
+ IWL_DEBUG_RADIO(priv, "RX CONFIG:\n");
iwl_print_hex_dump(priv, IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
- IWL_DEBUG_RADIO("u16 channel: 0x%x\n", le16_to_cpu(rxon->channel));
- IWL_DEBUG_RADIO("u32 flags: 0x%08X\n", le32_to_cpu(rxon->flags));
- IWL_DEBUG_RADIO("u32 filter_flags: 0x%08x\n",
+ 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("u8 dev_type: 0x%x\n", rxon->dev_type);
- IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n",
+ 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("u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates);
- IWL_DEBUG_RADIO("u8[6] node_addr: %pM\n", rxon->node_addr);
- IWL_DEBUG_RADIO("u8[6] bssid_addr: %pM\n", rxon->bssid_addr);
- IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
+ 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));
}
+EXPORT_SYMBOL(iwl_print_rx_config_cmd);
#endif
-
/**
* iwl_irq_handle_error - called for HW or SW error interrupt from card
*/
/* Cancel currently queued command. */
clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
+ priv->cfg->ops->lib->dump_nic_error_log(priv);
+ if (priv->cfg->ops->lib->dump_csr)
+ priv->cfg->ops->lib->dump_csr(priv);
+ priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false);
#ifdef CONFIG_IWLWIFI_DEBUG
- if (priv->debug_level & IWL_DL_FW_ERRORS) {
- iwl_dump_nic_error_log(priv);
- iwl_dump_nic_event_log(priv);
+ if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS)
iwl_print_rx_config_cmd(priv);
- }
#endif
wake_up_interruptible(&priv->wait_command_queue);
clear_bit(STATUS_READY, &priv->status);
if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) {
- IWL_DEBUG(IWL_DL_FW_ERRORS,
+ 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);
+int iwl_apm_stop_master(struct iwl_priv *priv)
+{
+ int ret = 0;
+
+ /* stop device's busmaster DMA activity */
+ iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER);
+
+ ret = iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED,
+ CSR_RESET_REG_FLAG_MASTER_DISABLED, 100);
+ if (ret)
+ IWL_WARN(priv, "Master Disable Timed Out, 100 usec\n");
+
+ IWL_DEBUG_INFO(priv, "stop master\n");
+
+ return ret;
+}
+EXPORT_SYMBOL(iwl_apm_stop_master);
+
+void iwl_apm_stop(struct iwl_priv *priv)
+{
+ IWL_DEBUG_INFO(priv, "Stop card, put in low power state\n");
+
+ /* Stop device's DMA activity */
+ iwl_apm_stop_master(priv);
+
+ /* Reset the entire device */
+ iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
+
+ udelay(10);
+
+ /*
+ * Clear "initialization complete" bit to move adapter from
+ * D0A* (powered-up Active) --> D0U* (Uninitialized) state.
+ */
+ iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+}
+EXPORT_SYMBOL(iwl_apm_stop);
+
+
+/*
+ * Start up NIC's basic functionality after it has been reset
+ * (e.g. after platform boot, or shutdown via iwl_apm_stop())
+ * NOTE: This does not load uCode nor start the embedded processor
+ */
+int iwl_apm_init(struct iwl_priv *priv)
+{
+ int ret = 0;
+ u16 lctl;
+
+ IWL_DEBUG_INFO(priv, "Init card's basic functions\n");
+
+ /*
+ * Use "set_bit" below rather than "write", to preserve any hardware
+ * bits already set by default after reset.
+ */
+
+ /* Disable L0S exit timer (platform NMI Work/Around) */
+ iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
+ CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
+
+ /*
+ * Disable L0s without affecting L1;
+ * don't wait for ICH L0s (ICH bug W/A)
+ */
+ iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS,
+ CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX);
+
+ /* Set FH wait threshold to maximum (HW error during stress W/A) */
+ iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL);
+
+ /*
+ * Enable HAP INTA (interrupt from management bus) to
+ * wake device's PCI Express link L1a -> L0s
+ * NOTE: This is no-op for 3945 (non-existant bit)
+ */
+ iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
+ CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
+
+ /*
+ * HW bug W/A for instability in PCIe bus L0->L0S->L1 transition.
+ * Check if BIOS (or OS) enabled L1-ASPM on this device.
+ * If so (likely), disable L0S, so device moves directly L0->L1;
+ * costs negligible amount of power savings.
+ * If not (unlikely), enable L0S, so there is at least some
+ * power savings, even without L1.
+ */
+ if (priv->cfg->set_l0s) {
+ lctl = iwl_pcie_link_ctl(priv);
+ if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
+ PCI_CFG_LINK_CTRL_VAL_L1_EN) {
+ /* L1-ASPM enabled; disable(!) L0S */
+ iwl_set_bit(priv, CSR_GIO_REG,
+ CSR_GIO_REG_VAL_L0S_ENABLED);
+ IWL_DEBUG_POWER(priv, "L1 Enabled; Disabling L0S\n");
+ } else {
+ /* L1-ASPM disabled; enable(!) L0S */
+ iwl_clear_bit(priv, CSR_GIO_REG,
+ CSR_GIO_REG_VAL_L0S_ENABLED);
+ IWL_DEBUG_POWER(priv, "L1 Disabled; Enabling L0S\n");
+ }
+ }
+
+ /* Configure analog phase-lock-loop before activating to D0A */
+ if (priv->cfg->pll_cfg_val)
+ iwl_set_bit(priv, CSR_ANA_PLL_CFG, priv->cfg->pll_cfg_val);
+
+ /*
+ * Set "initialization complete" bit to move adapter from
+ * D0U* --> D0A* (powered-up active) state.
+ */
+ iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+
+ /*
+ * Wait for clock stabilization; once stabilized, access to
+ * device-internal resources is supported, e.g. iwl_write_prph()
+ * and accesses to uCode SRAM.
+ */
+ ret = iwl_poll_bit(priv, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+ if (ret < 0) {
+ IWL_DEBUG_INFO(priv, "Failed to init the card\n");
+ goto out;
+ }
+
+ /*
+ * Enable DMA and BSM (if used) clocks, wait for them to stabilize.
+ * BSM (Boostrap State Machine) is only in 3945 and 4965;
+ * later devices (i.e. 5000 and later) have non-volatile SRAM,
+ * and don't need BSM to restore data after power-saving sleep.
+ *
+ * Write to "CLK_EN_REG"; "1" bits enable clocks, while "0" bits
+ * do not disable clocks. This preserves any hardware bits already
+ * set by default in "CLK_CTRL_REG" after reset.
+ */
+ if (priv->cfg->use_bsm)
+ iwl_write_prph(priv, APMG_CLK_EN_REG,
+ APMG_CLK_VAL_DMA_CLK_RQT | APMG_CLK_VAL_BSM_CLK_RQT);
+ else
+ iwl_write_prph(priv, APMG_CLK_EN_REG,
+ APMG_CLK_VAL_DMA_CLK_RQT);
+ udelay(20);
+
+ /* Disable L1-Active */
+ iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG,
+ APMG_PCIDEV_STT_VAL_L1_ACT_DIS);
+
+out:
+ return ret;
+}
+EXPORT_SYMBOL(iwl_apm_init);
+
+
+
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)
+ u64 multicast)
{
struct iwl_priv *priv = hw->priv;
__le32 *filter_flags = &priv->staging_rxon.filter_flags;
- IWL_DEBUG_MAC80211("Enter: changed: 0x%x, total: 0x%x\n",
+ 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)) {
}
EXPORT_SYMBOL(iwl_configure_filter);
-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_SUPPORTS_PS;
- hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC);
-
- hw->wiphy->custom_regulatory = true;
-
- /* 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 (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.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;
+ priv->hw_params.rx_page_order = get_order(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.rx_page_order = get_order(IWL_RX_BUF_SIZE_4K);
+
+ priv->hw_params.max_beacon_itrvl = IWL_MAX_UCODE_BEACON_INTERVAL;
if (priv->cfg->mod_params->disable_11n)
priv->cfg->sku &= ~IWL_SKU_N;
}
EXPORT_SYMBOL(iwl_set_hw_params);
-int iwl_init_drv(struct iwl_priv *priv)
+int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
{
- int ret;
+ int ret = 0;
+ s8 prev_tx_power = priv->tx_power_user_lmt;
- priv->ibss_beacon = NULL;
+ 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;
+ }
- spin_lock_init(&priv->lock);
- spin_lock_init(&priv->power_data.lock);
- spin_lock_init(&priv->sta_lock);
- spin_lock_init(&priv->hcmd_lock);
+ if (tx_power > priv->tx_power_device_lmt) {
+ IWL_WARN(priv,
+ "Requested user TXPOWER %d above upper limit %d.\n",
+ tx_power, priv->tx_power_device_lmt);
+ return -EINVAL;
+ }
- INIT_LIST_HEAD(&priv->free_frames);
+ if (priv->tx_power_user_lmt != tx_power)
+ force = true;
- mutex_init(&priv->mutex);
+ /* if nic is not up don't send command */
+ if (iwl_is_ready_rf(priv)) {
+ 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);
+ else if (!priv->cfg->ops->lib->send_tx_power)
+ ret = -EOPNOTSUPP;
+ /*
+ * if fail to set tx_power, restore the orig. tx power
+ */
+ if (ret)
+ priv->tx_power_user_lmt = prev_tx_power;
+ }
- /* Clear the driver's (not device's) station table */
- iwl_clear_stations_table(priv);
+ /*
+ * Even this is an async host command, the command
+ * will always report success from uCode
+ * So once driver can placing the command into the queue
+ * successfully, driver can use priv->tx_power_user_lmt
+ * to reflect the current tx power
+ */
+ return ret;
+}
+EXPORT_SYMBOL(iwl_set_tx_power);
- priv->data_retry_limit = -1;
- priv->ieee_channels = NULL;
- priv->ieee_rates = NULL;
- priv->band = IEEE80211_BAND_2GHZ;
+#define ICT_COUNT (PAGE_SIZE/sizeof(u32))
- priv->iw_mode = NL80211_IFTYPE_STATION;
+/* 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);
- 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);
+/* 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)
+{
- iwl_reset_qos(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;
- priv->qos_data.qos_active = 0;
- priv->qos_data.qos_cap.val = 0;
+ /* align table to PAGE_SIZE boundry */
+ priv->aligned_ict_tbl_dma = ALIGN(priv->ict_tbl_dma, PAGE_SIZE);
- 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;
+ 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));
- ret = iwl_init_channel_map(priv);
- if (ret) {
- IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
- goto err;
- }
+ priv->ict_tbl = priv->ict_tbl_vir +
+ (priv->aligned_ict_tbl_dma - priv->ict_tbl_dma);
- 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);
+ 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));
- return 0;
+ /* reset table and index to all 0 */
+ memset(priv->ict_tbl_vir,0, (sizeof(u32) * ICT_COUNT) + PAGE_SIZE);
+ priv->ict_index = 0;
-err_free_channel_map:
- iwl_free_channel_map(priv);
-err:
- return ret;
+ /* add periodic RX interrupt */
+ priv->inta_mask |= CSR_INT_BIT_RX_PERIODIC;
+ return 0;
}
-EXPORT_SYMBOL(iwl_init_drv);
+EXPORT_SYMBOL(iwl_alloc_isr_ict);
-int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
+/* 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)
{
- int ret = 0;
- if (tx_power < IWL_TX_POWER_TARGET_POWER_MIN) {
- IWL_WARN(priv, "Requested user TXPOWER %d below limit.\n",
- priv->tx_power_user_lmt);
- return -EINVAL;
- }
+ u32 val;
+ unsigned long flags;
- if (tx_power > IWL_TX_POWER_TARGET_POWER_MAX) {
- IWL_WARN(priv, "Requested user TXPOWER %d above limit.\n",
- priv->tx_power_user_lmt);
- return -EINVAL;
- }
+ if (!priv->ict_tbl_vir)
+ return 0;
- if (priv->tx_power_user_lmt != tx_power)
- force = true;
+ spin_lock_irqsave(&priv->lock, flags);
+ iwl_disable_interrupts(priv);
- priv->tx_power_user_lmt = tx_power;
+ memset(&priv->ict_tbl[0], 0, sizeof(u32) * ICT_COUNT);
- if (force && priv->cfg->ops->lib->send_tx_power)
- ret = priv->cfg->ops->lib->send_tx_power(priv);
+ val = priv->aligned_ict_tbl_dma >> PAGE_SHIFT;
- return ret;
+ 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_set_tx_power);
+EXPORT_SYMBOL(iwl_reset_ict);
-void iwl_uninit_drv(struct iwl_priv *priv)
+/* Device is going down disable ict interrupt usage */
+void iwl_disable_ict(struct iwl_priv *priv)
{
- iwl_calib_free_results(priv);
- iwlcore_free_geos(priv);
- iwl_free_channel_map(priv);
- kfree(priv->scan);
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->use_ict = false;
+ spin_unlock_irqrestore(&priv->lock, flags);
}
-EXPORT_SYMBOL(iwl_uninit_drv);
+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;
-void iwl_disable_interrupts(struct iwl_priv *priv)
-{
- clear_bit(STATUS_INT_ENABLED, &priv->status);
+ /* dram interrupt table not set yet,
+ * use legacy interrupt.
+ */
+ if (!priv->use_ict)
+ return iwl_isr(irq, data);
- /* disable interrupts from uCode/NIC to host */
+ 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);
- /* 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("Disabled interrupts\n");
-}
-EXPORT_SYMBOL(iwl_disable_interrupts);
-void iwl_enable_interrupts(struct iwl_priv *priv)
-{
- IWL_DEBUG_ISR("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);
+ /* Ignore interrupt if there's nothing in NIC to service.
+ * This may be due to IRQ shared with another device,
+ * or due to sporadic interrupts thrown from our NIC. */
+ if (!priv->ict_tbl[priv->ict_index]) {
+ IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0\n");
+ goto none;
+ }
+
+ /* read all entries that not 0 start with ict_index */
+ while (priv->ict_tbl[priv->ict_index]) {
+
+ val |= le32_to_cpu(priv->ict_tbl[priv->ict_index]);
+ IWL_DEBUG_ISR(priv, "ICT index %d value 0x%08X\n",
+ priv->ict_index,
+ le32_to_cpu(priv->ict_tbl[priv->ict_index]));
+ priv->ict_tbl[priv->ict_index] = 0;
+ priv->ict_index = iwl_queue_inc_wrap(priv->ict_index,
+ ICT_COUNT);
+
+ }
+
+ /* We should not get this value, just ignore it. */
+ if (val == 0xffffffff)
+ val = 0;
+
+ inta = (0xff & val) | ((0xff00 & val) << 16);
+ IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x ict 0x%08x\n",
+ inta, inta_mask, val);
+
+ inta &= priv->inta_mask;
+ priv->inta |= inta;
+
+ /* iwl_irq_tasklet() will service interrupts and re-enable them */
+ if (likely(inta))
+ tasklet_schedule(&priv->irq_tasklet);
+ else if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta) {
+ /* Allow interrupt if was disabled by this handler and
+ * no tasklet was schedules, We should not enable interrupt,
+ * tasklet will enable it.
+ */
+ iwl_enable_interrupts(priv);
+ }
+
+ spin_unlock(&priv->lock);
+ return IRQ_HANDLED;
+
+ none:
+ /* re-enable interrupts here since we don't have anything to service.
+ * only Re-enable if disabled by irq.
+ */
+ if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta)
+ iwl_enable_interrupts(priv);
+
+ spin_unlock(&priv->lock);
+ return IRQ_NONE;
+}
+EXPORT_SYMBOL(iwl_isr_ict);
+
+
+static irqreturn_t iwl_isr(int irq, void *data)
+{
+ struct iwl_priv *priv = data;
+ u32 inta, inta_mask;
+#ifdef CONFIG_IWLWIFI_DEBUG
+ u32 inta_fh;
+#endif
+ if (!priv)
+ return IRQ_NONE;
+
+ spin_lock(&priv->lock);
+
+ /* Disable (but don't clear!) interrupts here to avoid
+ * back-to-back ISRs and sporadic interrupts from our NIC.
+ * If we have something to service, the tasklet will re-enable ints.
+ * If we *don't* have something, we'll re-enable before leaving here. */
+ inta_mask = iwl_read32(priv, CSR_INT_MASK); /* just for debug */
+ iwl_write32(priv, CSR_INT_MASK, 0x00000000);
+
+ /* Discover which interrupts are active/pending */
+ inta = iwl_read32(priv, CSR_INT);
+
+ /* Ignore interrupt if there's nothing in NIC to service.
+ * This may be due to IRQ shared with another device,
+ * or due to sporadic interrupts thrown from our NIC. */
+ if (!inta) {
+ IWL_DEBUG_ISR(priv, "Ignore interrupt, inta == 0\n");
+ goto none;
+ }
+
+ if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
+ /* Hardware disappeared. It might have already raised
+ * an interrupt */
+ IWL_WARN(priv, "HARDWARE GONE?? INTA == 0x%08x\n", inta);
+ goto unplugged;
+ }
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+ if (iwl_get_debug_level(priv) & (IWL_DL_ISR)) {
+ inta_fh = iwl_read32(priv, CSR_FH_INT_STATUS);
+ IWL_DEBUG_ISR(priv, "ISR inta 0x%08x, enabled 0x%08x, "
+ "fh 0x%08x\n", inta, inta_mask, inta_fh);
+ }
+#endif
+
+ priv->inta |= inta;
+ /* iwl_irq_tasklet() will service interrupts and re-enable them */
+ if (likely(inta))
+ tasklet_schedule(&priv->irq_tasklet);
+ else if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta)
+ iwl_enable_interrupts(priv);
+
+ unplugged:
+ spin_unlock(&priv->lock);
+ return IRQ_HANDLED;
+
+ none:
+ /* re-enable interrupts here since we don't have anything to service. */
+ /* only Re-enable if diabled by irq and no schedules tasklet. */
+ if (test_bit(STATUS_INT_ENABLED, &priv->status) && !priv->inta)
+ iwl_enable_interrupts(priv);
+
+ spin_unlock(&priv->lock);
+ return IRQ_NONE;
+}
+
+irqreturn_t iwl_isr_legacy(int irq, void *data)
+{
+ struct iwl_priv *priv = data;
+ 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,
+ .flags = BT_COEX_MODE_4W,
+ .lead_time = BT_LEAD_TIME_DEF,
+ .max_kill = BT_MAX_KILL_DEF,
.kill_ack_mask = 0,
.kill_cts_mask = 0,
};
}
EXPORT_SYMBOL(iwl_send_bt_config);
-int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags)
+int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear)
{
- u32 stat_flags = 0;
- struct iwl_host_cmd cmd = {
- .id = REPLY_STATISTICS_CMD,
- .meta.flags = flags,
- .len = sizeof(stat_flags),
- .data = (u8 *) &stat_flags,
+ struct iwl_statistics_cmd statistics_cmd = {
+ .configuration_flags =
+ clear ? IWL_STATS_CONF_CLEAR_STATS : 0,
};
- return iwl_send_cmd(priv, &cmd);
+
+ if (flags & CMD_ASYNC)
+ return iwl_send_cmd_pdu_async(priv, REPLY_STATISTICS_CMD,
+ sizeof(struct iwl_statistics_cmd),
+ &statistics_cmd, NULL);
+ else
+ return iwl_send_cmd_pdu(priv, REPLY_STATISTICS_CMD,
+ sizeof(struct iwl_statistics_cmd),
+ &statistics_cmd);
}
EXPORT_SYMBOL(iwl_send_statistics_request);
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;
+ 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 */
}
}
- iwl_release_nic_access(priv);
-
return ret;
}
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_DEBUG_INFO(priv, "ucode inst image size is %u\n", len);
iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR,
IWL49_RTC_INST_LOWER_BOUND);
}
}
- 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;
}
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"
-};
+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->thermal_throttle.ct_kill_toggle = false;
+
+ if (priv->cfg->support_ct_kill_exit) {
+ 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);
+ 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 enter is %d,"
+ "exit is %d\n",
+ priv->hw_params.ct_kill_threshold,
+ priv->hw_params.ct_kill_exit_threshold);
+ } else {
+ 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);
+ 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",
+ priv->hw_params.ct_kill_threshold);
+ }
+}
+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,
+ .flags = meta_flag,
+ };
+
+ return iwl_send_cmd(priv, &cmd);
+}
-static const char *desc_lookup(int i)
+void iwl_rx_pm_sleep_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
{
- int max = ARRAY_SIZE(desc_lookup_text) - 1;
+#ifdef CONFIG_IWLWIFI_DEBUG
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ 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);
- if (i < 0 || i > max)
- i = max;
+void iwl_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+ u32 len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
+ IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled "
+ "notification for %s:\n", len,
+ get_cmd_string(pkt->hdr.cmd));
+ iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, len);
+}
+EXPORT_SYMBOL(iwl_rx_pm_debug_statistics_notif);
- return desc_lookup_text[i];
+void iwl_rx_reply_error(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+
+ 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);
-#define ERROR_START_OFFSET (1 * sizeof(u32))
-#define ERROR_ELEM_SIZE (7 * sizeof(u32))
+void iwl_clear_isr_stats(struct iwl_priv *priv)
+{
+ memset(&priv->isr_stats, 0, sizeof(priv->isr_stats));
+}
-void iwl_dump_nic_error_log(struct iwl_priv *priv)
+int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
{
- u32 data2, line;
- u32 desc, time, count, base, data1;
- u32 blink1, blink2, ilink1, ilink2;
- int ret;
+ struct iwl_priv *priv = hw->priv;
+ unsigned long flags;
+ int q;
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr);
- else
- base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
+ IWL_DEBUG_MAC80211(priv, "enter\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;
+ if (!iwl_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
+ return -EIO;
}
- ret = iwl_grab_nic_access(priv);
- if (ret) {
- IWL_WARN(priv, "Can not read from adapter at this time.\n");
- return;
+ if (queue >= AC_NUM) {
+ IWL_DEBUG_MAC80211(priv, "leave - queue >= AC_NUM %d\n", queue);
+ return 0;
}
- count = iwl_read_targ_mem(priv, base);
+ q = AC_NUM - 1 - queue;
- if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
- IWL_ERR(priv, "Start IWL Error Log Dump:\n");
- IWL_ERR(priv, "Status: 0x%08lX, count: %d\n",
- priv->status, count);
- }
+ spin_lock_irqsave(&priv->lock, flags);
- desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32));
- blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32));
- blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32));
- ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32));
- ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32));
- data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32));
- data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32));
- line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
- time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
+ 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));
- IWL_ERR(priv, "Desc Time "
- "data1 data2 line\n");
- IWL_ERR(priv, "%-28s (#%02d) %010u 0x%08X 0x%08X %u\n",
- desc_lookup(desc), desc, time, data1, data2, line);
- IWL_ERR(priv, "blink1 blink2 ilink1 ilink2\n");
- IWL_ERR(priv, "0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
- ilink1, ilink2);
+ priv->qos_data.def_qos_parm.ac[q].reserved1 = 0;
+ priv->qos_data.qos_active = 1;
- iwl_release_nic_access(priv);
-}
-EXPORT_SYMBOL(iwl_dump_nic_error_log);
+ 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);
-#define EVENT_START_OFFSET (4 * sizeof(u32))
+ spin_unlock_irqrestore(&priv->lock, flags);
-/**
- * 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)
+ 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)
{
- u32 i;
- u32 base; /* SRAM byte address of event log header */
- u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
- u32 ptr; /* SRAM byte address of log data */
- u32 ev, time, data; /* event log data */
+ struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+ struct ieee80211_sta *sta;
+
+ IWL_DEBUG_MAC80211(priv, "enter: \n");
- if (num_events == 0)
+ if (!ht_conf->is_ht)
return;
- if (priv->ucode_type == UCODE_INIT)
- base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr);
- else
- base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
- if (mode == 0)
- event_size = 2 * sizeof(u32);
- else
- event_size = 3 * sizeof(u32);
-
- ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
-
- /* "time" is actually "data" for mode 0 (no timestamp).
- * place event id # at far right for easier visual parsing. */
- for (i = 0; i < num_events; i++) {
- ev = iwl_read_targ_mem(priv, ptr);
- ptr += sizeof(u32);
- time = iwl_read_targ_mem(priv, ptr);
- ptr += sizeof(u32);
- if (mode == 0) {
- /* data, ev */
- IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev);
+ ht_conf->ht_protection =
+ bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
+ ht_conf->non_GF_STA_present =
+ !!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+
+ ht_conf->single_chain_sufficient = false;
+
+ switch (priv->iw_mode) {
+ case NL80211_IFTYPE_STATION:
+ rcu_read_lock();
+ sta = ieee80211_find_sta(priv->vif, priv->bssid);
+ if (sta) {
+ struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap;
+ int maxstreams;
+
+ maxstreams = (ht_cap->mcs.tx_params &
+ IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK)
+ >> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT;
+ maxstreams += 1;
+
+ if ((ht_cap->mcs.rx_mask[1] == 0) &&
+ (ht_cap->mcs.rx_mask[2] == 0))
+ ht_conf->single_chain_sufficient = true;
+ if (maxstreams <= 1)
+ ht_conf->single_chain_sufficient = true;
} else {
- data = iwl_read_targ_mem(priv, ptr);
- ptr += sizeof(u32);
- IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
- time, data, ev);
+ /*
+ * If at all, this can only happen through a race
+ * when the AP disconnects us while we're still
+ * setting up the connection, in that case mac80211
+ * will soon tell us about that.
+ */
+ ht_conf->single_chain_sufficient = true;
}
+ rcu_read_unlock();
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ ht_conf->single_chain_sufficient = true;
+ break;
+ default:
+ break;
}
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
}
-void iwl_dump_nic_event_log(struct iwl_priv *priv)
+static inline void iwl_set_no_assoc(struct iwl_priv *priv)
{
+ priv->assoc_id = 0;
+ iwl_led_disassociate(priv);
+ /*
+ * inform the ucode that there is no longer an
+ * association and that no more packets should be
+ * sent
+ */
+ priv->staging_rxon.filter_flags &=
+ ~RXON_FILTER_ASSOC_MSK;
+ priv->staging_rxon.assoc_id = 0;
+ iwlcore_commit_rxon(priv);
+}
+
+#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;
- 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 num_wraps; /* # times uCode wrapped to top of log */
- 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
- base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
- if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
- IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
+ 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);
}
- ret = iwl_grab_nic_access(priv);
- if (ret) {
- IWL_WARN(priv, "Can not read from adapter at this time.\n");
- return;
+ if (changes & BSS_CHANGED_BEACON_INT) {
+ priv->beacon_int = bss_conf->beacon_int;
+ /* TODO: in AP mode, do something to make this take effect */
}
- /* event log header */
- capacity = iwl_read_targ_mem(priv, base);
- mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32)));
- num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
- next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
+ 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);
- size = num_wraps ? capacity : next_entry;
+ /* currently needed in a few places */
+ memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
+ } else {
+ priv->staging_rxon.filter_flags &=
+ ~RXON_FILTER_ASSOC_MSK;
+ }
- /* bail out if nothing in log */
- if (size == 0) {
- IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n");
- iwl_release_nic_access(priv);
- return;
}
- IWL_ERR(priv, "Start IWL Event Log Dump: display count %d, wraps %d\n",
- size, num_wraps);
+ /*
+ * 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->timestamp = bss_conf->timestamp;
+ priv->assoc_capability = bss_conf->assoc_capability;
- /* if uCode has wrapped back to top of log, start at the oldest entry,
- * i.e the next one that uCode would fill. */
- if (num_wraps)
- iwl_print_event_log(priv, next_entry,
- capacity - next_entry, mode);
- /* (then/else) start at top of log */
- iwl_print_event_log(priv, 0, next_entry, mode);
+ iwl_led_associate(priv);
- iwl_release_nic_access(priv);
+ /*
+ * 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
+ iwl_set_no_assoc(priv);
+ }
+
+ 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));
+ }
+ }
+
+ if (changes & BSS_CHANGED_BEACON_ENABLED) {
+ if (vif->bss_conf.enable_beacon) {
+ memcpy(priv->staging_rxon.bssid_addr,
+ bss_conf->bssid, ETH_ALEN);
+ memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
+ iwlcore_config_ap(priv);
+ } else
+ iwl_set_no_assoc(priv);
+ }
+
+ mutex_unlock(&priv->mutex);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
}
-EXPORT_SYMBOL(iwl_dump_nic_event_log);
+EXPORT_SYMBOL(iwl_bss_info_changed);
-void iwl_rf_kill_ct_config(struct iwl_priv *priv)
+int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
{
- struct iwl_ct_kill_config cmd;
+ struct iwl_priv *priv = hw->priv;
unsigned long flags;
- int ret = 0;
+ __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);
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
- CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
+
+ 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);
- cmd.critical_temperature_R =
- cpu_to_le32(priv->hw_params.ct_kill_threshold);
+ iwl_reset_qos(priv);
- 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("REPLY_CT_KILL_CONFIG_CMD succeeded, "
- "critical temperature is %d\n",
- cmd.critical_temperature_R);
-}
-EXPORT_SYMBOL(iwl_rf_kill_ct_config);
+ priv->cfg->ops->lib->post_associate(priv);
-/*
- * 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)
+ return 0;
+}
+EXPORT_SYMBOL(iwl_mac_beacon_update);
+
+int iwl_set_mode(struct iwl_priv *priv, int mode)
{
- struct iwl_host_cmd cmd = {
- .id = REPLY_CARD_STATE_CMD,
- .len = sizeof(u32),
- .data = &flags,
- .meta.flags = meta_flag,
- };
+ if (mode == NL80211_IFTYPE_ADHOC) {
+ const struct iwl_channel_info *ch_info;
- return iwl_send_cmd(priv, &cmd);
+ 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;
+
+ iwlcore_commit_rxon(priv);
+
+ return 0;
}
-EXPORT_SYMBOL(iwl_send_card_state);
+EXPORT_SYMBOL(iwl_set_mode);
-void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv)
+int iwl_mac_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
{
+ struct iwl_priv *priv = hw->priv;
unsigned long flags;
- if (test_bit(STATUS_RF_KILL_SW, &priv->status))
- return;
+ IWL_DEBUG_MAC80211(priv, "enter: type %d\n", vif->type);
- IWL_DEBUG_RF_KILL("Manual SW RF KILL set to: RADIO OFF\n");
+ if (priv->vif) {
+ IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n");
+ return -EOPNOTSUPP;
+ }
+
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->vif = vif;
+ priv->iw_mode = vif->type;
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ mutex_lock(&priv->mutex);
+
+ if (vif->addr) {
+ IWL_DEBUG_MAC80211(priv, "Set %pM\n", vif->addr);
+ memcpy(priv->mac_addr, vif->addr, ETH_ALEN);
+ }
+
+ if (iwl_set_mode(priv, vif->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_vif *vif)
+{
+ 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 == 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;
+ struct iwl_ht_config *ht_conf = &priv->current_ht_config;
+ 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 (changed & (IEEE80211_CONF_CHANGE_SMPS |
+ IEEE80211_CONF_CHANGE_CHANNEL)) {
+ /* mac80211 uses static for non-HT which is what we want */
+ priv->current_ht_config.smps = conf->smps_mode;
+
+ /*
+ * Recalculate chain counts.
+ *
+ * If monitor mode is enabled then mac80211 will
+ * set up the SM PS mode to OFF if an HT channel is
+ * configured.
+ */
+ if (priv->cfg->ops->hcmd->set_rxon_chain)
+ priv->cfg->ops->hcmd->set_rxon_chain(priv);
+ }
+
+ /* during scanning mac80211 will delay channel setting until
+ * scan finish with changed = 0
+ */
+ 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;
+ }
- 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);
+
+ /* Configure HT40 channels */
+ ht_conf->is_ht = conf_is_ht(conf);
+ if (ht_conf->is_ht) {
+ if (conf_is_ht40_minus(conf)) {
+ ht_conf->extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ ht_conf->is_40mhz = true;
+ } else if (conf_is_ht40_plus(conf)) {
+ ht_conf->extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ht_conf->is_40mhz = true;
+ } else {
+ ht_conf->extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ ht_conf->is_40mhz = false;
+ }
+ } else
+ ht_conf->is_40mhz = false;
+ /* Default to no protection. Protection mode will later be set
+ * from BSS config in iwl_ht_conf */
+ ht_conf->ht_protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
+
+ /* 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);
- /* 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 (iwl_is_associated(priv) &&
+ (le16_to_cpu(priv->active_rxon.channel) != ch) &&
+ priv->cfg->ops->lib->set_channel_switch) {
+ iwl_set_rate(priv);
+ /*
+ * at this point, staging_rxon has the
+ * configuration for channel switch
+ */
+ ret = priv->cfg->ops->lib->set_channel_switch(priv,
+ ch);
+ if (!ret) {
+ iwl_print_rx_config_cmd(priv);
+ goto out;
+ }
+ priv->switch_rxon.switch_in_progress = false;
+ }
+ 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 |
+ IEEE80211_CONF_CHANGE_IDLE)) {
+ ret = iwl_power_update_mode(priv, false);
+ if (ret)
+ IWL_DEBUG_MAC80211(priv, "Error setting sleep 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);
+ }
+
+ 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_radio_kill_sw_disable_radio);
+EXPORT_SYMBOL(iwl_mac_config);
-int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv)
+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;
- if (!test_bit(STATUS_RF_KILL_SW, &priv->status))
- return 0;
+ IWL_DEBUG_MAC80211(priv, "enter\n");
- IWL_DEBUG_RF_KILL("Manual SW RF KILL set to: RADIO ON\n");
+ if (!iwl_is_ready_rf(priv)) {
+ IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
+ return -EIO;
+ }
spin_lock_irqsave(&priv->lock, flags);
- iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL);
- /* If the driver is up it will receive CARD_STATE_NOTIFICATION
- * notification where it will clear SW rfkill status.
- * Setting it here would break the handler. Only if the
- * interface is down we can set here since we don't
- * receive any further notification.
- */
- if (!priv->is_open)
- clear_bit(STATUS_RF_KILL_SW, &priv->status);
+ 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_config));
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;
}
- /* when driver is up while rfkill is on, it wont receive
- * any CARD_STATE_NOTIFICATION notifications so we have to
- * restart it in here
+ /* we are restarting association process
+ * clear RXON_FILTER_ASSOC_MSK bit
*/
- 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 (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 the driver is already loaded, it will receive
- * CARD_STATE_NOTIFICATION notifications and the handler will
- * call restart to reload the driver.
- */
- return 1;
+ if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
+ IWL_DEBUG_MAC80211(priv, "leave - not in IBSS\n");
+ mutex_unlock(&priv->mutex);
+ return;
+ }
+
+ iwl_set_rate(priv);
+
+ mutex_unlock(&priv->mutex);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+}
+EXPORT_SYMBOL(iwl_mac_reset_tsf);
+
+int iwl_alloc_txq_mem(struct iwl_priv *priv)
+{
+ if (!priv->txq)
+ priv->txq = kzalloc(
+ sizeof(struct iwl_tx_queue) * priv->cfg->num_of_queues,
+ GFP_KERNEL);
+ if (!priv->txq) {
+ IWL_ERR(priv, "Not enough memory for txq \n");
+ return -ENOMEM;
+ }
+ return 0;
}
-EXPORT_SYMBOL(iwl_radio_kill_sw_enable_radio);
+EXPORT_SYMBOL(iwl_alloc_txq_mem);
-void iwl_bg_rf_kill(struct work_struct *work)
+void iwl_free_txq_mem(struct iwl_priv *priv)
{
- struct iwl_priv *priv = container_of(work, struct iwl_priv, rf_kill);
+ kfree(priv->txq);
+ priv->txq = NULL;
+}
+EXPORT_SYMBOL(iwl_free_txq_mem);
- wake_up_interruptible(&priv->wait_command_queue);
+int iwl_send_wimax_coex(struct iwl_priv *priv)
+{
+ struct iwl_wimax_coex_cmd uninitialized_var(coex_cmd);
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ if (priv->cfg->support_wimax_coexist) {
+ /* UnMask wake up src at associated sleep */
+ coex_cmd.flags |= COEX_FLAGS_ASSOC_WA_UNMASK_MSK;
+
+ /* UnMask wake up src at unassociated sleep */
+ coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
+ memcpy(coex_cmd.sta_prio, cu_priorities,
+ sizeof(struct iwl_wimax_coex_event_entry) *
+ COEX_NUM_OF_EVENTS);
+
+ /* enabling the coexistence feature */
+ coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;
+
+ /* enabling the priorities tables */
+ coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
+ } else {
+ /* coexistence is disabled */
+ memset(&coex_cmd, 0, sizeof(coex_cmd));
+ }
+ return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
+ sizeof(coex_cmd), &coex_cmd);
+}
+EXPORT_SYMBOL(iwl_send_wimax_coex);
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+
+#define IWL_TRAFFIC_DUMP_SIZE (IWL_TRAFFIC_ENTRY_SIZE * IWL_TRAFFIC_ENTRIES)
+
+void iwl_reset_traffic_log(struct iwl_priv *priv)
+{
+ priv->tx_traffic_idx = 0;
+ priv->rx_traffic_idx = 0;
+ if (priv->tx_traffic)
+ memset(priv->tx_traffic, 0, IWL_TRAFFIC_DUMP_SIZE);
+ if (priv->rx_traffic)
+ memset(priv->rx_traffic, 0, IWL_TRAFFIC_DUMP_SIZE);
+}
+
+int iwl_alloc_traffic_mem(struct iwl_priv *priv)
+{
+ u32 traffic_size = IWL_TRAFFIC_DUMP_SIZE;
+
+ if (iwl_debug_level & IWL_DL_TX) {
+ if (!priv->tx_traffic) {
+ priv->tx_traffic =
+ kzalloc(traffic_size, GFP_KERNEL);
+ if (!priv->tx_traffic)
+ return -ENOMEM;
+ }
+ }
+ if (iwl_debug_level & IWL_DL_RX) {
+ if (!priv->rx_traffic) {
+ priv->rx_traffic =
+ kzalloc(traffic_size, GFP_KERNEL);
+ if (!priv->rx_traffic)
+ return -ENOMEM;
+ }
+ }
+ iwl_reset_traffic_log(priv);
+ return 0;
+}
+EXPORT_SYMBOL(iwl_alloc_traffic_mem);
+
+void iwl_free_traffic_mem(struct iwl_priv *priv)
+{
+ kfree(priv->tx_traffic);
+ priv->tx_traffic = NULL;
+
+ kfree(priv->rx_traffic);
+ priv->rx_traffic = NULL;
+}
+EXPORT_SYMBOL(iwl_free_traffic_mem);
+
+void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
+ u16 length, struct ieee80211_hdr *header)
+{
+ __le16 fc;
+ u16 len;
+
+ if (likely(!(iwl_debug_level & IWL_DL_TX)))
return;
- mutex_lock(&priv->mutex);
+ if (!priv->tx_traffic)
+ return;
- if (!iwl_is_rfkill(priv)) {
- IWL_DEBUG(IWL_DL_RF_KILL,
- "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);
+ fc = header->frame_control;
+ if (ieee80211_is_data(fc)) {
+ len = (length > IWL_TRAFFIC_ENTRY_SIZE)
+ ? IWL_TRAFFIC_ENTRY_SIZE : length;
+ memcpy((priv->tx_traffic +
+ (priv->tx_traffic_idx * IWL_TRAFFIC_ENTRY_SIZE)),
+ header, len);
+ priv->tx_traffic_idx =
+ (priv->tx_traffic_idx + 1) % IWL_TRAFFIC_ENTRIES;
+ }
+}
+EXPORT_SYMBOL(iwl_dbg_log_tx_data_frame);
+
+void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
+ u16 length, struct ieee80211_hdr *header)
+{
+ __le16 fc;
+ u16 len;
+
+ if (likely(!(iwl_debug_level & IWL_DL_RX)))
+ return;
+
+ if (!priv->rx_traffic)
+ return;
+
+ fc = header->frame_control;
+ if (ieee80211_is_data(fc)) {
+ len = (length > IWL_TRAFFIC_ENTRY_SIZE)
+ ? IWL_TRAFFIC_ENTRY_SIZE : length;
+ memcpy((priv->rx_traffic +
+ (priv->rx_traffic_idx * IWL_TRAFFIC_ENTRY_SIZE)),
+ header, len);
+ priv->rx_traffic_idx =
+ (priv->rx_traffic_idx + 1) % IWL_TRAFFIC_ENTRIES;
+ }
+}
+EXPORT_SYMBOL(iwl_dbg_log_rx_data_frame);
+
+const char *get_mgmt_string(int cmd)
+{
+ switch (cmd) {
+ IWL_CMD(MANAGEMENT_ASSOC_REQ);
+ IWL_CMD(MANAGEMENT_ASSOC_RESP);
+ IWL_CMD(MANAGEMENT_REASSOC_REQ);
+ IWL_CMD(MANAGEMENT_REASSOC_RESP);
+ IWL_CMD(MANAGEMENT_PROBE_REQ);
+ IWL_CMD(MANAGEMENT_PROBE_RESP);
+ IWL_CMD(MANAGEMENT_BEACON);
+ IWL_CMD(MANAGEMENT_ATIM);
+ IWL_CMD(MANAGEMENT_DISASSOC);
+ IWL_CMD(MANAGEMENT_AUTH);
+ IWL_CMD(MANAGEMENT_DEAUTH);
+ IWL_CMD(MANAGEMENT_ACTION);
+ default:
+ return "UNKNOWN";
+
+ }
+}
+
+const char *get_ctrl_string(int cmd)
+{
+ switch (cmd) {
+ IWL_CMD(CONTROL_BACK_REQ);
+ IWL_CMD(CONTROL_BACK);
+ IWL_CMD(CONTROL_PSPOLL);
+ IWL_CMD(CONTROL_RTS);
+ IWL_CMD(CONTROL_CTS);
+ IWL_CMD(CONTROL_ACK);
+ IWL_CMD(CONTROL_CFEND);
+ IWL_CMD(CONTROL_CFENDACK);
+ default:
+ return "UNKNOWN";
+
+ }
+}
+
+void iwl_clear_traffic_stats(struct iwl_priv *priv)
+{
+ memset(&priv->tx_stats, 0, sizeof(struct traffic_stats));
+ memset(&priv->rx_stats, 0, sizeof(struct traffic_stats));
+ priv->led_tpt = 0;
+}
+
+/*
+ * if CONFIG_IWLWIFI_DEBUGFS defined, iwl_update_stats function will
+ * record all the MGMT, CTRL and DATA pkt for both TX and Rx pass.
+ * Use debugFs to display the rx/rx_statistics
+ * if CONFIG_IWLWIFI_DEBUGFS not being defined, then no MGMT and CTRL
+ * information will be recorded, but DATA pkt still will be recorded
+ * for the reason of iwl_led.c need to control the led blinking based on
+ * number of tx and rx data.
+ *
+ */
+void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len)
+{
+ struct traffic_stats *stats;
+
+ if (is_tx)
+ stats = &priv->tx_stats;
+ else
+ stats = &priv->rx_stats;
+
+ if (ieee80211_is_mgmt(fc)) {
+ switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
+ stats->mgmt[MANAGEMENT_ASSOC_REQ]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
+ stats->mgmt[MANAGEMENT_ASSOC_RESP]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
+ stats->mgmt[MANAGEMENT_REASSOC_REQ]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+ stats->mgmt[MANAGEMENT_REASSOC_RESP]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ):
+ stats->mgmt[MANAGEMENT_PROBE_REQ]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
+ stats->mgmt[MANAGEMENT_PROBE_RESP]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_BEACON):
+ stats->mgmt[MANAGEMENT_BEACON]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_ATIM):
+ stats->mgmt[MANAGEMENT_ATIM]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
+ stats->mgmt[MANAGEMENT_DISASSOC]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_AUTH):
+ stats->mgmt[MANAGEMENT_AUTH]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
+ stats->mgmt[MANAGEMENT_DEAUTH]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_ACTION):
+ stats->mgmt[MANAGEMENT_ACTION]++;
+ break;
+ }
+ } else if (ieee80211_is_ctl(fc)) {
+ switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
+ case cpu_to_le16(IEEE80211_STYPE_BACK_REQ):
+ stats->ctrl[CONTROL_BACK_REQ]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_BACK):
+ stats->ctrl[CONTROL_BACK]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_PSPOLL):
+ stats->ctrl[CONTROL_PSPOLL]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_RTS):
+ stats->ctrl[CONTROL_RTS]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_CTS):
+ stats->ctrl[CONTROL_CTS]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_ACK):
+ stats->ctrl[CONTROL_ACK]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_CFEND):
+ stats->ctrl[CONTROL_CFEND]++;
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_CFENDACK):
+ stats->ctrl[CONTROL_CFENDACK]++;
+ break;
+ }
} else {
- /* make sure mac80211 stop sending Tx frame */
- if (priv->mac80211_registered)
- ieee80211_stop_queues(priv->hw);
+ /* data */
+ stats->data_cnt++;
+ stats->data_bytes += len;
+ }
+ iwl_leds_background(priv);
+}
+EXPORT_SYMBOL(iwl_update_stats);
+#endif
+
+const static char *get_csr_string(int cmd)
+{
+ switch (cmd) {
+ IWL_CMD(CSR_HW_IF_CONFIG_REG);
+ IWL_CMD(CSR_INT_COALESCING);
+ IWL_CMD(CSR_INT);
+ IWL_CMD(CSR_INT_MASK);
+ IWL_CMD(CSR_FH_INT_STATUS);
+ IWL_CMD(CSR_GPIO_IN);
+ IWL_CMD(CSR_RESET);
+ IWL_CMD(CSR_GP_CNTRL);
+ IWL_CMD(CSR_HW_REV);
+ IWL_CMD(CSR_EEPROM_REG);
+ IWL_CMD(CSR_EEPROM_GP);
+ IWL_CMD(CSR_OTP_GP_REG);
+ IWL_CMD(CSR_GIO_REG);
+ IWL_CMD(CSR_GP_UCODE_REG);
+ IWL_CMD(CSR_GP_DRIVER_REG);
+ IWL_CMD(CSR_UCODE_DRV_GP1);
+ IWL_CMD(CSR_UCODE_DRV_GP2);
+ IWL_CMD(CSR_LED_REG);
+ IWL_CMD(CSR_DRAM_INT_TBL_REG);
+ IWL_CMD(CSR_GIO_CHICKEN_BITS);
+ IWL_CMD(CSR_ANA_PLL_CFG);
+ IWL_CMD(CSR_HW_REV_WA_REG);
+ IWL_CMD(CSR_DBG_HPET_MEM_REG);
+ default:
+ return "UNKNOWN";
- if (!test_bit(STATUS_RF_KILL_HW, &priv->status))
- IWL_DEBUG_RF_KILL("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_dump_csr(struct iwl_priv *priv)
+{
+ int i;
+ u32 csr_tbl[] = {
+ CSR_HW_IF_CONFIG_REG,
+ CSR_INT_COALESCING,
+ CSR_INT,
+ CSR_INT_MASK,
+ CSR_FH_INT_STATUS,
+ CSR_GPIO_IN,
+ CSR_RESET,
+ CSR_GP_CNTRL,
+ CSR_HW_REV,
+ CSR_EEPROM_REG,
+ CSR_EEPROM_GP,
+ CSR_OTP_GP_REG,
+ CSR_GIO_REG,
+ CSR_GP_UCODE_REG,
+ CSR_GP_DRIVER_REG,
+ CSR_UCODE_DRV_GP1,
+ CSR_UCODE_DRV_GP2,
+ CSR_LED_REG,
+ CSR_DRAM_INT_TBL_REG,
+ CSR_GIO_CHICKEN_BITS,
+ CSR_ANA_PLL_CFG,
+ CSR_HW_REV_WA_REG,
+ CSR_DBG_HPET_MEM_REG
+ };
+ IWL_ERR(priv, "CSR values:\n");
+ IWL_ERR(priv, "(2nd byte of CSR_INT_COALESCING is "
+ "CSR_INT_PERIODIC_REG)\n");
+ for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) {
+ IWL_ERR(priv, " %25s: 0X%08x\n",
+ get_csr_string(csr_tbl[i]),
+ iwl_read32(priv, csr_tbl[i]));
+ }
+}
+EXPORT_SYMBOL(iwl_dump_csr);
+
+#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.
+ */
+ 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_pci_resume);
+
+#endif /* CONFIG_PM */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff