* file called LICENSE.
*
* Contact Information:
- * James P. Ketrenos <ipw2100-admin@linux.intel.com>
+ * Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
*****************************************************************************/
static int iwl3945_param_disable; /* def: 0 = enable radio */
static int iwl3945_param_antenna; /* def: 0 = both antennas (use diversity) */
int iwl3945_param_hwcrypto; /* def: 0 = use software encryption */
-static int iwl3945_param_qos_enable = 1; /* def: 1 = use quality of service */
int iwl3945_param_queues_num = IWL39_MAX_NUM_QUEUES; /* def: 8 Tx queues */
/*
#define IWLWIFI_VERSION "1.2.26k" VD VS
#define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation"
+#define DRV_AUTHOR "<ilw@linux.intel.com>"
#define DRV_VERSION IWLWIFI_VERSION
MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_VERSION(DRV_VERSION);
-MODULE_AUTHOR(DRV_COPYRIGHT);
+MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
MODULE_LICENSE("GPL");
static const struct ieee80211_supported_band *iwl3945_get_band(
/*************** HOST COMMAND QUEUE FUNCTIONS *****/
-#define IWL_CMD(x) case x : return #x
+#define IWL_CMD(x) case x: return #x
static const char *get_cmd_string(u8 cmd)
{
unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
struct ieee80211_hdr *hdr,
- const u8 *dest, int left)
+ int left)
{
if (!iwl3945_is_associated(priv) || !priv->ibss_beacon ||
return priv->ibss_beacon->len;
}
-static u8 iwl3945_rate_get_lowest_plcp(int rate_mask)
+static u8 iwl3945_rate_get_lowest_plcp(struct iwl3945_priv *priv)
{
u8 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;
for (i = IWL_RATE_1M_INDEX; i != IWL_RATE_INVALID;
i = iwl3945_rates[i].next_ieee) {
return iwl3945_rates[i].plcp;
}
- return IWL_RATE_INVALID;
+ /* 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;
}
static int iwl3945_send_beacon_cmd(struct iwl3945_priv *priv)
return -ENOMEM;
}
- if (!(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK)) {
- rate = iwl3945_rate_get_lowest_plcp(priv->active_rate_basic &
- 0xFF0);
- if (rate == IWL_INVALID_RATE)
- rate = IWL_RATE_6M_PLCP;
- } else {
- rate = iwl3945_rate_get_lowest_plcp(priv->active_rate_basic & 0xF);
- if (rate == IWL_INVALID_RATE)
- rate = IWL_RATE_1M_PLCP;
- }
+ rate = iwl3945_rate_get_lowest_plcp(priv);
frame_size = iwl3945_hw_get_beacon_cmd(priv, frame, rate);
{
u16 *e = (u16 *)&priv->eeprom;
u32 gp = iwl3945_read32(priv, CSR_EEPROM_GP);
- u32 r;
int sz = sizeof(priv->eeprom);
- int rc;
- int i;
+ int ret;
u16 addr;
/* The EEPROM structure has several padding buffers within it
}
/* Make sure driver (instead of uCode) is allowed to read EEPROM */
- rc = iwl3945_eeprom_acquire_semaphore(priv);
- if (rc < 0) {
+ ret = iwl3945_eeprom_acquire_semaphore(priv);
+ if (ret < 0) {
IWL_ERROR("Failed to acquire EEPROM semaphore.\n");
return -ENOENT;
}
/* eeprom is an array of 16bit values */
for (addr = 0; addr < sz; addr += sizeof(u16)) {
- _iwl3945_write32(priv, CSR_EEPROM_REG, addr << 1);
- _iwl3945_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD);
-
- for (i = 0; i < IWL_EEPROM_ACCESS_TIMEOUT;
- i += IWL_EEPROM_ACCESS_DELAY) {
- r = _iwl3945_read_direct32(priv, CSR_EEPROM_REG);
- if (r & CSR_EEPROM_REG_READ_VALID_MSK)
- break;
- udelay(IWL_EEPROM_ACCESS_DELAY);
- }
+ u32 r;
- if (!(r & CSR_EEPROM_REG_READ_VALID_MSK)) {
+ _iwl3945_write32(priv, CSR_EEPROM_REG,
+ CSR_EEPROM_REG_MSK_ADDR & (addr << 1));
+ _iwl3945_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD);
+ ret = iwl3945_poll_direct_bit(priv, CSR_EEPROM_REG,
+ CSR_EEPROM_REG_READ_VALID_MSK,
+ IWL_EEPROM_ACCESS_TIMEOUT);
+ if (ret < 0) {
IWL_ERROR("Time out reading EEPROM[%d]\n", addr);
- return -ETIMEDOUT;
+ return ret;
}
+
+ r = _iwl3945_read_direct32(priv, CSR_EEPROM_REG);
e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16));
}
spin_lock_irqsave(&priv->lock, flags);
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)) {
+ /* 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;
+
+
+ /* check for legacy mode */
+ if ((priv->iw_mode == NL80211_IFTYPE_ADHOC &&
+ (priv->active_rate & IWL_OFDM_RATES_MASK) == 0) ||
+ (priv->iw_mode == NL80211_IFTYPE_STATION &&
+ (priv->staging_rxon.flags & RXON_FLG_SHORT_SLOT_MSK) == 0)) {
cw_min = 31;
is_legacy = 1;
}
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
- if (!priv->qos_data.qos_enable)
- return;
-
spin_lock_irqsave(&priv->lock, flags);
priv->qos_data.def_qos_parm.qos_flags = 0;
static int iwl3945_scan_initiate(struct iwl3945_priv *priv)
{
- if (priv->iw_mode == NL80211_IFTYPE_AP) {
- IWL_ERROR("APs don't scan.\n");
- return 0;
- }
-
if (!iwl3945_is_ready_rf(priv)) {
IWL_DEBUG_SCAN("Aborting scan due to not ready.\n");
return -EIO;
/*
* initialize rxon structure with default values from eeprom
*/
-static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv)
+static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv,
+ int mode)
{
const struct iwl3945_channel_info *ch_info;
memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
- switch (priv->iw_mode) {
+ switch (mode) {
case NL80211_IFTYPE_AP:
priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
break;
RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
break;
default:
- IWL_ERROR("Unsupported interface type %d\n", priv->iw_mode);
+ IWL_ERROR("Unsupported interface type %d\n", mode);
break;
}
* 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)))
+ if ((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->iw_mode = mode;
-
- iwl3945_connection_init_rx_config(priv);
+ iwl3945_connection_init_rx_config(priv, mode);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
iwl3945_clear_stations_table(priv);
/* Safely ignore these bits for debug checks below */
inta &= ~(CSR_INT_BIT_SCD | CSR_INT_BIT_ALIVE);
- /* HW RF KILL switch toggled (4965 only) */
- if (inta & CSR_INT_BIT_RF_KILL) {
- int hw_rf_kill = 0;
- if (!(iwl3945_read32(priv, CSR_GP_CNTRL) &
- CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
- hw_rf_kill = 1;
-
- IWL_DEBUG(IWL_DL_INFO | IWL_DL_RF_KILL | IWL_DL_ISR,
- "RF_KILL bit toggled to %s.\n",
- hw_rf_kill ? "disable radio":"enable radio");
-
- /* Queue restart only if RF_KILL switch was set to "kill"
- * when we loaded driver, and is now set to "enable".
- * After we're Alive, RF_KILL gets handled by
- * iwl3945_rx_card_state_notif() */
- if (!hw_rf_kill && !test_bit(STATUS_ALIVE, &priv->status)) {
- clear_bit(STATUS_RF_KILL_HW, &priv->status);
- queue_work(priv->workqueue, &priv->restart);
- }
-
- handled |= CSR_INT_BIT_RF_KILL;
- }
-
- /* Chip got too hot and stopped itself (4965 only) */
- if (inta & CSR_INT_BIT_CT_KILL) {
- IWL_ERROR("Microcode CT kill error detected.\n");
- handled |= CSR_INT_BIT_CT_KILL;
- }
-
/* Error detected by uCode */
if (inta & CSR_INT_BIT_SW_ERR) {
IWL_ERROR("Microcode SW error detected. Restarting 0x%X.\n",
if ((inta == 0xFFFFFFFF) || ((inta & 0xFFFFFFF0) == 0xa5a5a5a0)) {
/* Hardware disappeared */
- IWL_WARNING("HARDWARE GONE?? INTA == 0x%080x\n", inta);
+ IWL_WARNING("HARDWARE GONE?? INTA == 0x%08x\n", inta);
goto unplugged;
}
#define IWL_PASSIVE_DWELL_BASE (100)
#define IWL_CHANNEL_TUNE_TIME 5
-#define IWL_SCAN_PROBE_MASK(n) cpu_to_le32((BIT(n) | (BIT(n) - BIT(1))))
+#define IWL_SCAN_PROBE_MASK(n) (BIT(n) | (BIT(n) - BIT(1)))
static inline u16 iwl3945_get_active_dwell_time(struct iwl3945_priv *priv,
enum ieee80211_band band,
continue;
}
+ scan_ch->active_dwell = cpu_to_le16(active_dwell);
+ scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
+ /* If passive , set up for auto-switch
+ * and use long active_dwell time.
+ */
if (!is_active || is_channel_passive(ch_info) ||
- (channels[i].flags & IEEE80211_CHAN_PASSIVE_SCAN))
+ (channels[i].flags & IEEE80211_CHAN_PASSIVE_SCAN)) {
scan_ch->type = 0; /* passive */
- else
+ if (IWL_UCODE_API(priv->ucode_ver) == 1)
+ scan_ch->active_dwell = cpu_to_le16(passive_dwell - 1);
+ } else {
scan_ch->type = 1; /* active */
+ }
- if ((scan_ch->type & 1) && n_probes)
- scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes);
-
- scan_ch->active_dwell = cpu_to_le16(active_dwell);
- scan_ch->passive_dwell = cpu_to_le16(passive_dwell);
+ /* Set direct probe bits. These may be used both for active
+ * scan channels (probes gets sent right away),
+ * or for passive channels (probes get se sent only after
+ * hearing clear Rx packet).*/
+ if (IWL_UCODE_API(priv->ucode_ver) >= 2) {
+ if (n_probes)
+ scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes);
+ } else {
+ /* uCode v1 does not allow setting direct probe bits on
+ * passive channel. */
+ if ((scan_ch->type & 1) && n_probes)
+ scan_ch->type |= IWL_SCAN_PROBE_MASK(n_probes);
+ }
/* Set txpower levels to defaults */
scan_ch->tpc.dsp_atten = 110;
static int iwl3945_read_ucode(struct iwl3945_priv *priv)
{
struct iwl3945_ucode *ucode;
- int ret = 0;
+ int ret = -EINVAL, index;
const struct firmware *ucode_raw;
/* firmware file name contains uCode/driver compatibility version */
- const char *name = priv->cfg->fw_name;
+ const char *name_pre = priv->cfg->fw_name_pre;
+ const unsigned int api_max = priv->cfg->ucode_api_max;
+ const unsigned int api_min = priv->cfg->ucode_api_min;
+ char buf[25];
u8 *src;
size_t len;
- u32 ver, inst_size, data_size, init_size, init_data_size, boot_size;
+ u32 api_ver, inst_size, data_size, init_size, init_data_size, boot_size;
/* Ask kernel firmware_class module to get the boot firmware off disk.
* request_firmware() is synchronous, file is in memory on return. */
- ret = request_firmware(&ucode_raw, name, &priv->pci_dev->dev);
- if (ret < 0) {
- IWL_ERROR("%s firmware file req failed: Reason %d\n",
- name, ret);
- goto error;
+ for (index = api_max; index >= api_min; index--) {
+ sprintf(buf, "%s%u%s", name_pre, index, ".ucode");
+ ret = request_firmware(&ucode_raw, buf, &priv->pci_dev->dev);
+ if (ret < 0) {
+ IWL_ERROR("%s firmware file req failed: Reason %d\n",
+ buf, ret);
+ if (ret == -ENOENT)
+ continue;
+ else
+ goto error;
+ } else {
+ if (index < api_max)
+ IWL_ERROR("Loaded firmware %s, which is deprecated. Please use API v%u instead.\n",
+ buf, api_max);
+ IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n",
+ buf, ucode_raw->size);
+ break;
+ }
}
- IWL_DEBUG_INFO("Got firmware '%s' file (%zd bytes) from disk\n",
- name, ucode_raw->size);
+ if (ret < 0)
+ goto error;
/* Make sure that we got at least our header! */
if (ucode_raw->size < sizeof(*ucode)) {
/* Data from ucode file: header followed by uCode images */
ucode = (void *)ucode_raw->data;
- ver = le32_to_cpu(ucode->ver);
+ priv->ucode_ver = le32_to_cpu(ucode->ver);
+ api_ver = IWL_UCODE_API(priv->ucode_ver);
inst_size = le32_to_cpu(ucode->inst_size);
data_size = le32_to_cpu(ucode->data_size);
init_size = le32_to_cpu(ucode->init_size);
init_data_size = le32_to_cpu(ucode->init_data_size);
boot_size = le32_to_cpu(ucode->boot_size);
- IWL_DEBUG_INFO("f/w package hdr ucode version = 0x%x\n", ver);
+ /* api_ver should match the api version forming part of the
+ * firmware filename ... but we don't check for that and only rely
+ * on the API version read from firware header from here on forward */
+
+ if (api_ver < api_min || api_ver > api_max) {
+ IWL_ERROR("Driver unable to support your firmware API. "
+ "Driver supports v%u, firmware is v%u.\n",
+ api_max, api_ver);
+ priv->ucode_ver = 0;
+ ret = -EINVAL;
+ goto err_release;
+ }
+ if (api_ver != api_max)
+ IWL_ERROR("Firmware has old API version. Expected %u, "
+ "got %u. New firmware can be obtained "
+ "from http://www.intellinuxwireless.org.\n",
+ api_max, api_ver);
+
+ printk(KERN_INFO DRV_NAME " loaded firmware version %u.%u.%u.%u\n",
+ IWL_UCODE_MAJOR(priv->ucode_ver),
+ IWL_UCODE_MINOR(priv->ucode_ver),
+ IWL_UCODE_API(priv->ucode_ver),
+ IWL_UCODE_SERIAL(priv->ucode_ver));
+ IWL_DEBUG_INFO("f/w package hdr ucode version raw = 0x%x\n",
+ priv->ucode_ver);
IWL_DEBUG_INFO("f/w package hdr runtime inst size = %u\n", inst_size);
IWL_DEBUG_INFO("f/w package hdr runtime data size = %u\n", data_size);
IWL_DEBUG_INFO("f/w package hdr init inst size = %u\n", init_size);
IWL_DEBUG_INFO("f/w package hdr init data size = %u\n", init_data_size);
IWL_DEBUG_INFO("f/w package hdr boot inst size = %u\n", boot_size);
+
/* Verify size of file vs. image size info in file's header */
if (ucode_raw->size < sizeof(*ucode) +
inst_size + data_size + init_size +
}
+/* temporary */
+static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw,
+ struct sk_buff *skb);
+
/**
* iwl3945_alive_start - called after REPLY_ALIVE notification received
* from protocol/runtime uCode (initialization uCode's
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
} else {
/* Initialize our rx_config data */
- iwl3945_connection_init_rx_config(priv);
+ iwl3945_connection_init_rx_config(priv, priv->iw_mode);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
}
if (priv->error_recovering)
iwl3945_error_recovery(priv);
+ /* reassociate for ADHOC mode */
+ if (priv->vif && (priv->iw_mode == NL80211_IFTYPE_ADHOC)) {
+ struct sk_buff *beacon = ieee80211_beacon_get(priv->hw,
+ priv->vif);
+ if (beacon)
+ iwl3945_mac_beacon_update(priv->hw, beacon);
+ }
+
return;
restart:
mutex_lock(&priv->mutex);
iwl3945_alive_start(priv);
mutex_unlock(&priv->mutex);
- ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
}
static void iwl3945_bg_rf_kill(struct work_struct *work)
iwl3945_rfkill_set_hw_state(priv);
}
-static void iwl3945_bg_set_monitor(struct work_struct *work)
-{
- struct iwl3945_priv *priv = container_of(work,
- struct iwl3945_priv, set_monitor);
-
- IWL_DEBUG(IWL_DL_STATE, "setting monitor mode\n");
-
- mutex_lock(&priv->mutex);
-
- if (!iwl3945_is_ready(priv))
- IWL_DEBUG(IWL_DL_STATE, "leave - not ready\n");
- else
- if (iwl3945_set_mode(priv, NL80211_IFTYPE_MONITOR) != 0)
- IWL_ERROR("iwl3945_set_mode() failed\n");
-
- mutex_unlock(&priv->mutex);
-}
-
#define IWL_SCAN_CHECK_WATCHDOG (7 * HZ)
static void iwl3945_bg_scan_check(struct work_struct *data)
case NL80211_IFTYPE_ADHOC:
- /* clear out the station table */
- iwl3945_clear_stations_table(priv);
-
- iwl3945_add_station(priv, iwl3945_broadcast_addr, 0, 0);
+ priv->assoc_id = 1;
iwl3945_add_station(priv, priv->bssid, 0, 0);
iwl3945_sync_sta(priv, IWL_STA_ID,
(priv->band == IEEE80211_BAND_5GHZ) ?
spin_lock_irqsave(&priv->lock, flags);
priv->vif = conf->vif;
+ priv->iw_mode = conf->type;
spin_unlock_irqrestore(&priv->lock, flags);
* clear sta table, add BCAST sta... */
}
-/* temporary */
-static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb);
-
static int iwl3945_mac_config_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_if_conf *conf)
struct sk_buff *beacon = ieee80211_beacon_get(hw, vif);
if (!beacon)
return -ENOMEM;
+ mutex_lock(&priv->mutex);
rc = iwl3945_mac_beacon_update(hw, beacon);
+ mutex_unlock(&priv->mutex);
if (rc)
return rc;
}
- /* XXX: this MUST use conf->mac_addr */
-
if (!iwl3945_is_alive(priv))
return -EAGAIN;
int mc_count, struct dev_addr_list *mc_list)
{
struct iwl3945_priv *priv = hw->priv;
+ __le32 *filter_flags = &priv->staging_rxon.filter_flags;
+
+ IWL_DEBUG_MAC80211("Enter: changed: 0x%x, total: 0x%x\n",
+ changed_flags, *total_flags);
- if (changed_flags & (*total_flags) & FIF_OTHER_BSS) {
- IWL_DEBUG_MAC80211("Enter: type %d (0x%x, 0x%x)\n",
- NL80211_IFTYPE_MONITOR,
- changed_flags, *total_flags);
- /* queue work 'cuz mac80211 is holding a lock which
- * prevents us from issuing (synchronous) f/w cmds */
- queue_work(priv->workqueue, &priv->set_monitor);
+ 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;
}
- *total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI |
+
+ /* 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;
}
goto out_unlock;
}
- if (priv->iw_mode == NL80211_IFTYPE_AP) { /* APs don't scan */
- rc = -EIO;
- IWL_ERROR("ERROR: APs don't scan\n");
- goto out_unlock;
- }
-
/* we don't schedule scan within next_scan_jiffies period */
if (priv->next_scan_jiffies &&
time_after(priv->next_scan_jiffies, jiffies)) {
return 0;
}
- if (!priv->qos_data.qos_enable) {
- priv->qos_data.qos_active = 0;
- IWL_DEBUG_MAC80211("leave - qos not enabled\n");
- return 0;
- }
q = AC_NUM - 1 - queue;
spin_lock_irqsave(&priv->lock, flags);
struct iwl3945_priv *priv = hw->priv;
unsigned long flags;
- mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter\n");
if (!iwl3945_is_ready_rf(priv)) {
IWL_DEBUG_MAC80211("leave - RF not ready\n");
- mutex_unlock(&priv->mutex);
return -EIO;
}
if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
IWL_DEBUG_MAC80211("leave - not IBSS\n");
- mutex_unlock(&priv->mutex);
return -EIO;
}
iwl3945_post_associate(priv);
- mutex_unlock(&priv->mutex);
return 0;
}
INIT_WORK(&priv->abort_scan, iwl3945_bg_abort_scan);
INIT_WORK(&priv->rf_kill, iwl3945_bg_rf_kill);
INIT_WORK(&priv->beacon_update, iwl3945_bg_beacon_update);
- INIT_WORK(&priv->set_monitor, iwl3945_bg_set_monitor);
INIT_DELAYED_WORK(&priv->init_alive_start, iwl3945_bg_init_alive_start);
INIT_DELAYED_WORK(&priv->alive_start, iwl3945_bg_alive_start);
INIT_DELAYED_WORK(&priv->scan_check, iwl3945_bg_scan_check);
struct iwl_3945_cfg *cfg = (struct iwl_3945_cfg *)(ent->driver_data);
unsigned long flags;
+ /***********************
+ * 1. Allocating HW data
+ * ********************/
+
/* Disabling hardware scan means that mac80211 will perform scans
* "the hard way", rather than using device's scan. */
if (iwl3945_param_disable_hw_scan) {
err = -ENOMEM;
goto out;
}
- SET_IEEE80211_DEV(hw, &pdev->dev);
- hw->rate_control_algorithm = "iwl-3945-rs";
- hw->sta_data_size = sizeof(struct iwl3945_sta_priv);
+ SET_IEEE80211_DEV(hw, &pdev->dev);
- IWL_DEBUG_INFO("*** LOAD DRIVER ***\n");
priv = hw->priv;
priv->hw = hw;
-
priv->pci_dev = pdev;
priv->cfg = cfg;
+ IWL_DEBUG_INFO("*** LOAD DRIVER ***\n");
+ hw->rate_control_algorithm = "iwl-3945-rs";
+ hw->sta_data_size = sizeof(struct iwl3945_sta_priv);
+
/* Select antenna (may be helpful if only one antenna is connected) */
priv->antenna = (enum iwl3945_antenna)iwl3945_param_antenna;
#ifdef CONFIG_IWL3945_DEBUG
iwl3945_debug_level = iwl3945_param_debug;
atomic_set(&priv->restrict_refcnt, 0);
#endif
- priv->retry_rate = 1;
-
- priv->ibss_beacon = NULL;
/* Tell mac80211 our characteristics */
hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM;
hw->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
+ hw->wiphy->fw_handles_regulatory = true;
+
/* 4 EDCA QOS priorities */
hw->queues = 4;
- spin_lock_init(&priv->lock);
- spin_lock_init(&priv->power_data.lock);
- spin_lock_init(&priv->sta_lock);
- spin_lock_init(&priv->hcmd_lock);
-
- INIT_LIST_HEAD(&priv->free_frames);
-
- mutex_init(&priv->mutex);
+ /***************************
+ * 2. Initializing PCI bus
+ * *************************/
if (pci_enable_device(pdev)) {
err = -ENODEV;
goto out_ieee80211_free_hw;
pci_set_master(pdev);
- /* Clear the driver's (not device's) station table */
- iwl3945_clear_stations_table(priv);
-
- priv->data_retry_limit = -1;
- priv->ieee_channels = NULL;
- priv->ieee_rates = NULL;
- priv->band = IEEE80211_BAND_2GHZ;
-
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (!err)
err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
if (err)
goto out_pci_disable_device;
- /* We disable the RETRY_TIMEOUT register (0x41) to keep
- * PCI Tx retries from interfering with C3 CPU state */
- pci_write_config_byte(pdev, 0x41, 0x00);
-
+ /***********************
+ * 3. Read REV Register
+ * ********************/
priv->hw_base = pci_iomap(pdev, 0, 0);
if (!priv->hw_base) {
err = -ENODEV;
(unsigned long long) pci_resource_len(pdev, 0));
IWL_DEBUG_INFO("pci_resource_base = %p\n", priv->hw_base);
- /* Initialize module parameter values here */
+ /* We disable the RETRY_TIMEOUT register (0x41) to keep
+ * PCI Tx retries from interfering with C3 CPU state */
+ pci_write_config_byte(pdev, 0x41, 0x00);
- /* Disable radio (SW RF KILL) via parameter when loading driver */
- if (iwl3945_param_disable) {
- set_bit(STATUS_RF_KILL_SW, &priv->status);
- IWL_DEBUG_INFO("Radio disabled.\n");
- }
+ /* nic init */
+ iwl3945_set_bit(priv, CSR_GIO_CHICKEN_BITS,
+ CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
- priv->iw_mode = NL80211_IFTYPE_STATION;
+ iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+ err = iwl3945_poll_direct_bit(priv, CSR_GP_CNTRL,
+ CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
+ if (err < 0) {
+ IWL_DEBUG_INFO("Failed to init the card\n");
+ goto out_remove_sysfs;
+ }
- printk(KERN_INFO DRV_NAME
- ": Detected Intel Wireless WiFi Link %s\n", priv->cfg->name);
+ /***********************
+ * 4. Read EEPROM
+ * ********************/
+ /* Read the EEPROM */
+ err = iwl3945_eeprom_init(priv);
+ if (err) {
+ IWL_ERROR("Unable to init EEPROM\n");
+ goto out_remove_sysfs;
+ }
+ /* MAC Address location in EEPROM same for 3945/4965 */
+ get_eeprom_mac(priv, priv->mac_addr);
+ IWL_DEBUG_INFO("MAC address: %pM\n", priv->mac_addr);
+ SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
+ /***********************
+ * 5. Setup HW Constants
+ * ********************/
/* Device-specific setup */
if (iwl3945_hw_set_hw_setting(priv)) {
IWL_ERROR("failed to set hw settings\n");
goto out_iounmap;
}
- if (iwl3945_param_qos_enable)
- priv->qos_data.qos_enable = 1;
+ /***********************
+ * 6. Setup priv
+ * ********************/
+ priv->retry_rate = 1;
+ priv->ibss_beacon = NULL;
+
+ spin_lock_init(&priv->lock);
+ spin_lock_init(&priv->power_data.lock);
+ spin_lock_init(&priv->sta_lock);
+ spin_lock_init(&priv->hcmd_lock);
+
+ INIT_LIST_HEAD(&priv->free_frames);
+ mutex_init(&priv->mutex);
+
+ /* Clear the driver's (not device's) station table */
+ iwl3945_clear_stations_table(priv);
+
+ priv->data_retry_limit = -1;
+ priv->ieee_channels = NULL;
+ priv->ieee_rates = NULL;
+ priv->band = IEEE80211_BAND_2GHZ;
+
+ priv->iw_mode = NL80211_IFTYPE_STATION;
iwl3945_reset_qos(priv);
priv->qos_data.qos_active = 0;
priv->qos_data.qos_cap.val = 0;
- iwl3945_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6);
- iwl3945_setup_deferred_work(priv);
- iwl3945_setup_rx_handlers(priv);
priv->rates_mask = IWL_RATES_MASK;
/* If power management is turned on, default to AC mode */
priv->power_mode = IWL_POWER_AC;
priv->user_txpower_limit = IWL_DEFAULT_TX_POWER;
- spin_lock_irqsave(&priv->lock, flags);
- iwl3945_disable_interrupts(priv);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group);
+ err = iwl3945_init_channel_map(priv);
if (err) {
- IWL_ERROR("failed to create sysfs device attributes\n");
+ IWL_ERROR("initializing regulatory failed: %d\n", err);
goto out_release_irq;
}
- /* nic init */
- iwl3945_set_bit(priv, CSR_GIO_CHICKEN_BITS,
- CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER);
-
- iwl3945_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
- err = iwl3945_poll_bit(priv, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY,
- CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000);
- if (err < 0) {
- IWL_DEBUG_INFO("Failed to init the card\n");
- goto out_remove_sysfs;
- }
- /* Read the EEPROM */
- err = iwl3945_eeprom_init(priv);
+ err = iwl3945_init_geos(priv);
if (err) {
- IWL_ERROR("Unable to init EEPROM\n");
- goto out_remove_sysfs;
+ IWL_ERROR("initializing geos failed: %d\n", err);
+ goto out_free_channel_map;
}
- /* MAC Address location in EEPROM same for 3945/4965 */
- get_eeprom_mac(priv, priv->mac_addr);
- IWL_DEBUG_INFO("MAC address: %pM\n", priv->mac_addr);
- SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
- err = iwl3945_init_channel_map(priv);
- if (err) {
- IWL_ERROR("initializing regulatory failed: %d\n", err);
- goto out_remove_sysfs;
+ printk(KERN_INFO DRV_NAME
+ ": Detected Intel Wireless WiFi Link %s\n", priv->cfg->name);
+
+ /***********************************
+ * 7. Initialize Module Parameters
+ * **********************************/
+
+ /* Initialize module parameter values here */
+ /* Disable radio (SW RF KILL) via parameter when loading driver */
+ if (iwl3945_param_disable) {
+ set_bit(STATUS_RF_KILL_SW, &priv->status);
+ IWL_DEBUG_INFO("Radio disabled.\n");
}
- err = iwl3945_init_geos(priv);
+
+ /***********************
+ * 8. Setup Services
+ * ********************/
+
+ spin_lock_irqsave(&priv->lock, flags);
+ iwl3945_disable_interrupts(priv);
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ err = sysfs_create_group(&pdev->dev.kobj, &iwl3945_attribute_group);
if (err) {
- IWL_ERROR("initializing geos failed: %d\n", err);
- goto out_free_channel_map;
+ IWL_ERROR("failed to create sysfs device attributes\n");
+ goto out_free_geos;
}
+ iwl3945_set_rxon_channel(priv, IEEE80211_BAND_2GHZ, 6);
+ iwl3945_setup_deferred_work(priv);
+ iwl3945_setup_rx_handlers(priv);
+
+ /***********************
+ * 9. Conclude
+ * ********************/
+ pci_save_state(pdev);
+ pci_disable_device(pdev);
+
+ /*********************************
+ * 10. Setup and Register mac80211
+ * *******************************/
+
err = ieee80211_register_hw(priv->hw);
if (err) {
IWL_ERROR("Failed to register network device (error %d)\n", err);
- goto out_free_geos;
+ goto out_remove_sysfs;
}
priv->hw->conf.beacon_int = 100;
priv->mac80211_registered = 1;
- pci_save_state(pdev);
- pci_disable_device(pdev);
+
err = iwl3945_rfkill_init(priv);
if (err)
return 0;
+ out_remove_sysfs:
+ sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group);
out_free_geos:
iwl3945_free_geos(priv);
out_free_channel_map:
iwl3945_free_channel_map(priv);
- out_remove_sysfs:
- sysfs_remove_group(&pdev->dev.kobj, &iwl3945_attribute_group);
+
out_release_irq:
destroy_workqueue(priv->workqueue);
iwl3945_rate_control_unregister();
}
-MODULE_FIRMWARE("iwlwifi-3945" IWL3945_UCODE_API ".ucode");
+MODULE_FIRMWARE(IWL3945_MODULE_FIRMWARE(IWL3945_UCODE_API_MAX));
module_param_named(antenna, iwl3945_param_antenna, int, 0444);
MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
module_param_named(queues_num, iwl3945_param_queues_num, int, 0444);
MODULE_PARM_DESC(queues_num, "number of hw queues.");
-/* QoS */
-module_param_named(qos_enable, iwl3945_param_qos_enable, int, 0444);
-MODULE_PARM_DESC(qos_enable, "enable all QoS functionality");
-
module_exit(iwl3945_exit);
module_init(iwl3945_init);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff