/******************************************************************************
*
- * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/sched.h>
#define VD
#endif
-#ifdef CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT
-#define VS "s"
-#else
-#define VS
-#endif
-
-#define DRV_VERSION IWLWIFI_VERSION VD VS
+#define DRV_VERSION IWLWIFI_VERSION VD
MODULE_DESCRIPTION(DRV_DESCRIPTION);
priv->start_calib = 0;
/* Add the broadcast address so we can send broadcast frames */
- iwl_add_bcast_station(priv);
+ priv->cfg->ops->lib->add_bcast_station(priv);
+
/* If we have set the ASSOC_MSK and we are in BSS mode then
* add the IWL_AP_ID to the station rate table */
spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
}
-void iwl_continuous_event_trace(struct iwl_priv *priv)
+static void iwl_continuous_event_trace(struct iwl_priv *priv)
{
u32 capacity; /* event log capacity in # entries */
u32 base; /* SRAM byte address of event log header */
priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive;
priv->rx_handlers[REPLY_ERROR] = iwl_rx_reply_error;
priv->rx_handlers[CHANNEL_SWITCH_NOTIFICATION] = iwl_rx_csa;
+ priv->rx_handlers[SPECTRUM_MEASURE_NOTIFICATION] =
+ iwl_rx_spectrum_measure_notif;
priv->rx_handlers[PM_SLEEP_NOTIFICATION] = iwl_rx_pm_sleep_notif;
priv->rx_handlers[PM_DEBUG_STATISTIC_NOTIFIC] =
iwl_rx_pm_debug_statistics_notif;
priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_reply_statistics;
priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
- iwl_setup_spectrum_handlers(priv);
iwl_setup_rx_scan_handlers(priv);
/* status change handler */
/* Ack/clear/reset pending uCode interrupts.
* Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS,
*/
- iwl_write32(priv, CSR_INT, priv->inta);
+ /* There is a hardware bug in the interrupt mask function that some
+ * interrupts (i.e. CSR_INT_BIT_SCD) can still be generated even if
+ * they are disabled in the CSR_INT_MASK register. Furthermore the
+ * ICT interrupt handling mechanism has another bug that might cause
+ * these unmasked interrupts fail to be detected. We workaround the
+ * hardware bugs here by ACKing all the possible interrupts so that
+ * interrupt coalescing can still be achieved.
+ */
+ iwl_write32(priv, CSR_INT, priv->inta | ~priv->inta_mask);
inta = priv->inta;
}
+static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
+static int iwl_mac_setup_register(struct iwl_priv *priv);
+
+static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
+{
+ const char *name_pre = priv->cfg->fw_name_pre;
+
+ if (first)
+ priv->fw_index = priv->cfg->ucode_api_max;
+ else
+ priv->fw_index--;
+
+ if (priv->fw_index < priv->cfg->ucode_api_min) {
+ IWL_ERR(priv, "no suitable firmware found!\n");
+ return -ENOENT;
+ }
+
+ sprintf(priv->firmware_name, "%s%d%s",
+ name_pre, priv->fw_index, ".ucode");
+
+ IWL_DEBUG_INFO(priv, "attempting to load firmware '%s'\n",
+ priv->firmware_name);
+
+ return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name,
+ &priv->pci_dev->dev, GFP_KERNEL, priv,
+ iwl_ucode_callback);
+}
+
/**
- * iwl_read_ucode - Read uCode images from disk file.
+ * iwl_ucode_callback - callback when firmware was loaded
*
- * Copy into buffers for card to fetch via bus-mastering
+ * If loaded successfully, copies the firmware into buffers
+ * for the card to fetch (via DMA).
*/
-static int iwl_read_ucode(struct iwl_priv *priv)
+static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
{
+ struct iwl_priv *priv = context;
struct iwl_ucode_header *ucode;
- int ret = -EINVAL, index;
- const struct firmware *ucode_raw;
- 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 api_ver, build;
u32 inst_size, data_size, init_size, init_data_size, boot_size;
+ int err;
u16 eeprom_ver;
- /* Ask kernel firmware_class module to get the boot firmware off disk.
- * request_firmware() is synchronous, file is in memory on return. */
- for (index = api_max; index >= api_min; index--) {
- sprintf(buf, "%s%d%s", name_pre, index, ".ucode");
- ret = request_firmware(&ucode_raw, buf, &priv->pci_dev->dev);
- if (ret < 0) {
- IWL_ERR(priv, "%s firmware file req failed: %d\n",
- buf, ret);
- if (ret == -ENOENT)
- continue;
- else
- goto error;
- } else {
- if (index < api_max)
- IWL_ERR(priv, "Loaded firmware %s, "
- "which is deprecated. "
- "Please use API v%u instead.\n",
- buf, api_max);
-
- IWL_DEBUG_INFO(priv, "Got firmware '%s' file (%zd bytes) from disk\n",
- buf, ucode_raw->size);
- break;
- }
+ if (!ucode_raw) {
+ IWL_ERR(priv, "request for firmware file '%s' failed.\n",
+ priv->firmware_name);
+ goto try_again;
}
- if (ret < 0)
- goto error;
+ IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n",
+ priv->firmware_name, ucode_raw->size);
/* Make sure that we got at least the v1 header! */
if (ucode_raw->size < priv->cfg->ops->ucode->get_header_size(1)) {
IWL_ERR(priv, "File size way too small!\n");
- ret = -EINVAL;
- goto err_release;
+ goto try_again;
}
/* Data from ucode file: header followed by uCode images */
IWL_ERR(priv, "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;
+ goto try_again;
}
+
if (api_ver != api_max)
IWL_ERR(priv, "Firmware has old API version. Expected v%u, "
"got v%u. New firmware can be obtained "
IWL_DEBUG_INFO(priv, "f/w package hdr boot inst size = %u\n",
boot_size);
+ /*
+ * For any of the failures below (before allocating pci memory)
+ * we will try to load a version with a smaller API -- maybe the
+ * user just got a corrupted version of the latest API.
+ */
+
/* Verify size of file vs. image size info in file's header */
if (ucode_raw->size !=
priv->cfg->ops->ucode->get_header_size(api_ver) +
IWL_DEBUG_INFO(priv,
"uCode file size %d does not match expected size\n",
(int)ucode_raw->size);
- ret = -EINVAL;
- goto err_release;
+ goto try_again;
}
/* Verify that uCode images will fit in card's SRAM */
if (inst_size > priv->hw_params.max_inst_size) {
IWL_DEBUG_INFO(priv, "uCode instr len %d too large to fit in\n",
inst_size);
- ret = -EINVAL;
- goto err_release;
+ goto try_again;
}
if (data_size > priv->hw_params.max_data_size) {
IWL_DEBUG_INFO(priv, "uCode data len %d too large to fit in\n",
data_size);
- ret = -EINVAL;
- goto err_release;
+ goto try_again;
}
if (init_size > priv->hw_params.max_inst_size) {
IWL_INFO(priv, "uCode init instr len %d too large to fit in\n",
init_size);
- ret = -EINVAL;
- goto err_release;
+ goto try_again;
}
if (init_data_size > priv->hw_params.max_data_size) {
IWL_INFO(priv, "uCode init data len %d too large to fit in\n",
init_data_size);
- ret = -EINVAL;
- goto err_release;
+ goto try_again;
}
if (boot_size > priv->hw_params.max_bsm_size) {
IWL_INFO(priv, "uCode boot instr len %d too large to fit in\n",
boot_size);
- ret = -EINVAL;
- goto err_release;
+ goto try_again;
}
/* Allocate ucode buffers for card's bus-master loading ... */
IWL_DEBUG_INFO(priv, "Copying (but not loading) boot instr len %Zd\n", len);
memcpy(priv->ucode_boot.v_addr, src, len);
+ /**************************************************
+ * This is still part of probe() in a sense...
+ *
+ * 9. Setup and register with mac80211 and debugfs
+ **************************************************/
+ err = iwl_mac_setup_register(priv);
+ if (err)
+ goto out_unbind;
+
+ err = iwl_dbgfs_register(priv, DRV_NAME);
+ if (err)
+ IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
+
/* We have our copies now, allow OS release its copies */
release_firmware(ucode_raw);
- return 0;
+ return;
+
+ try_again:
+ /* try next, if any */
+ if (iwl_request_firmware(priv, false))
+ goto out_unbind;
+ release_firmware(ucode_raw);
+ return;
err_pci_alloc:
IWL_ERR(priv, "failed to allocate pci memory\n");
- ret = -ENOMEM;
iwl_dealloc_ucode_pci(priv);
-
- err_release:
+ out_unbind:
+ device_release_driver(&priv->pci_dev->dev);
release_firmware(ucode_raw);
-
- error:
- return ret;
}
static const char *desc_lookup_text[] = {
"DEBUG_1",
"DEBUG_2",
"DEBUG_3",
- "UNKNOWN"
+ "ADVANCED SYSASSERT"
};
static const char *desc_lookup(int i)
IWL_ERR(priv,
"Invalid event log pointer 0x%08X for %s uCode\n",
base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
- return pos;
+ return -EINVAL;
}
/* event log header */
bufsz = size * 48;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
- return pos;
+ return -ENOMEM;
}
if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
/*
return;
}
-static void iwl_bg_up(struct work_struct *data)
-{
- struct iwl_priv *priv = container_of(data, struct iwl_priv, up);
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- mutex_lock(&priv->mutex);
- __iwl_up(priv);
- mutex_unlock(&priv->mutex);
-}
-
static void iwl_bg_restart(struct work_struct *data)
{
struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
ieee80211_restart_hw(priv->hw);
} else {
iwl_down(priv);
- queue_work(priv->workqueue, &priv->up);
+
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return;
+
+ mutex_lock(&priv->mutex);
+ __iwl_up(priv);
+ mutex_unlock(&priv->mutex);
}
}
* Not a mac80211 entry point function, but it fits in with all the
* other mac80211 functions grouped here.
*/
-static int iwl_setup_mac(struct iwl_priv *priv)
+static int iwl_mac_setup_register(struct iwl_priv *priv)
{
int ret;
struct ieee80211_hw *hw = priv->hw;
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);
- hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY |
+ hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
WIPHY_FLAG_DISABLE_BEACON_HINTS;
/*
/* we should be verifying the device is ready to be opened */
mutex_lock(&priv->mutex);
-
- /* fetch ucode file from disk, alloc and copy to bus-master buffers ...
- * ucode filename and max sizes are card-specific. */
-
- if (!priv->ucode_code.len) {
- ret = iwl_read_ucode(priv);
- if (ret) {
- IWL_ERR(priv, "Could not read microcode: %d\n", ret);
- mutex_unlock(&priv->mutex);
- return ret;
- }
- }
-
ret = __iwl_up(priv);
-
mutex_unlock(&priv->mutex);
if (ret)
}
static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw,
- struct ieee80211_key_conf *keyconf, const u8 *addr,
- u32 iv32, u16 *phase1key)
+ struct ieee80211_vif *vif,
+ struct ieee80211_key_conf *keyconf,
+ struct ieee80211_sta *sta,
+ u32 iv32, u16 *phase1key)
{
struct iwl_priv *priv = hw->priv;
IWL_DEBUG_MAC80211(priv, "enter\n");
- iwl_update_tkip_key(priv, keyconf, addr, iv32, phase1key);
+ iwl_update_tkip_key(priv, keyconf,
+ sta ? sta->addr : iwl_bcast_addr,
+ iv32, phase1key);
IWL_DEBUG_MAC80211(priv, "leave\n");
}
return 0;
else
return ret;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ /* do nothing */
+ return -EOPNOTSUPP;
default:
IWL_DEBUG_HT(priv, "unknown\n");
return -EINVAL;
break;
case STA_NOTIFY_AWAKE:
WARN_ON(!sta_priv->client);
+ if (!sta_priv->asleep)
+ break;
sta_priv->asleep = false;
sta_id = iwl_find_station(priv, sta->addr);
if (sta_id != IWL_INVALID_STATION)
init_waitqueue_head(&priv->wait_command_queue);
- INIT_WORK(&priv->up, iwl_bg_up);
INIT_WORK(&priv->restart, iwl_bg_restart);
INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish);
INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
cancel_delayed_work_sync(&priv->init_alive_start);
cancel_delayed_work(&priv->scan_check);
+ cancel_work_sync(&priv->start_internal_scan);
cancel_delayed_work(&priv->alive_start);
cancel_work_sync(&priv->beacon_update);
del_timer_sync(&priv->statistics_periodic);
INIT_LIST_HEAD(&priv->free_frames);
mutex_init(&priv->mutex);
+ mutex_init(&priv->sync_cmd_mutex);
/* Clear the driver's (not device's) station table */
iwl_clear_stations_table(priv);
priv->iw_mode = NL80211_IFTYPE_STATION;
priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
+ priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
+
+ /* initialize force reset */
+ priv->force_reset[IWL_RF_RESET].reset_duration =
+ IWL_DELAY_NEXT_FORCE_RF_RESET;
+ priv->force_reset[IWL_FW_RESET].reset_duration =
+ IWL_DELAY_NEXT_FORCE_FW_RELOAD;
/* Choose which receivers/antennas to use */
if (priv->cfg->ops->hcmd->set_rxon_chain)
.set_key = iwl_mac_set_key,
.update_tkip_key = iwl_mac_update_tkip_key,
.get_stats = iwl_mac_get_stats,
- .get_tx_stats = iwl_mac_get_tx_stats,
.conf_tx = iwl_mac_conf_tx,
.reset_tsf = iwl_mac_reset_tsf,
.bss_info_changed = iwl_bss_info_changed,
*/
spin_lock_init(&priv->reg_lock);
spin_lock_init(&priv->lock);
+
+ /*
+ * stop and reset the on-board processor just in case it is in a
+ * strange state ... like being left stranded by a primary kernel
+ * and this is now the kdump kernel trying to start up
+ */
+ iwl_write32(priv, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
+
iwl_hw_detect(priv);
IWL_INFO(priv, "Detected Intel Wireless WiFi Link %s REV=0x%X\n",
priv->cfg->name, priv->hw_rev);
iwl_setup_deferred_work(priv);
iwl_setup_rx_handlers(priv);
- /**********************************
- * 8. Setup and register mac80211
- **********************************/
+ /*********************************************
+ * 8. Enable interrupts and read RFKILL state
+ *********************************************/
/* enable interrupts if needed: hw bug w/a */
pci_read_config_word(priv->pci_dev, PCI_COMMAND, &pci_cmd);
iwl_enable_interrupts(priv);
- err = iwl_setup_mac(priv);
- if (err)
- goto out_remove_sysfs;
-
- err = iwl_dbgfs_register(priv, DRV_NAME);
- if (err)
- IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
-
/* If platform's RF_KILL switch is NOT set to KILL */
if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
clear_bit(STATUS_RF_KILL_HW, &priv->status);
iwl_power_initialize(priv);
iwl_tt_initialize(priv);
+
+ err = iwl_request_firmware(priv, true);
+ if (err)
+ goto out_remove_sysfs;
+
return 0;
out_remove_sysfs:
*****************************************************************************/
/* Hardware specific file defines the PCI IDs table for that hardware module */
-static struct pci_device_id iwl_hw_card_ids[] = {
+static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
#ifdef CONFIG_IWL4965
{IWL_PCI_DEVICE(0x4229, PCI_ANY_ID, iwl4965_agn_cfg)},
{IWL_PCI_DEVICE(0x4230, PCI_ANY_ID, iwl4965_agn_cfg)},
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff