#include "iwl-helpers.h"
#include "iwl-sta.h"
#include "iwl-calib.h"
+#include "iwl-agn.h"
/******************************************************************************
MODULE_LICENSE("GPL");
MODULE_ALIAS("iwl4965");
-/*************** STATION TABLE MANAGEMENT ****
- * mac80211 should be examined to determine if sta_info is duplicating
- * the functionality provided here
- */
-
-/**************************************************************/
-
/**
* iwl_commit_rxon - commit staging_rxon to hardware
*
return 0;
}
- /* station table will be cleared */
- priv->assoc_station_added = 0;
-
/* If we are currently associated and the new config requires
* an RXON_ASSOC and the new config wants the associated mask enabled,
* we must clear the associated from the active configuration
IWL_ERR(priv, "Error clearing ASSOC_MSK (%d)\n", ret);
return ret;
}
+ iwl_clear_ucode_stations(priv, false);
+ iwl_restore_stations(priv);
+ ret = iwl_restore_default_wep_keys(priv);
+ if (ret) {
+ IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret);
+ return ret;
+ }
}
IWL_DEBUG_INFO(priv, "Sending RXON\n"
iwl_set_rxon_hwcrypto(priv, !priv->cfg->mod_params->sw_crypto);
/* Apply the new configuration
- * RXON unassoc clears the station table in uCode, send it before
- * we add the bcast station. If assoc bit is set, we will send RXON
- * after having added the bcast and bssid station.
+ * RXON unassoc clears the station table in uCode so restoration of
+ * stations is needed after it (the RXON command) completes
*/
if (!new_assoc) {
ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
return ret;
}
+ IWL_DEBUG_INFO(priv, "Return from !new_assoc RXON.\n");
memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
+ iwl_clear_ucode_stations(priv, false);
+ iwl_restore_stations(priv);
+ ret = iwl_restore_default_wep_keys(priv);
+ if (ret) {
+ IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret);
+ return ret;
+ }
}
- iwl_clear_stations_table(priv);
-
priv->start_calib = 0;
-
- /* Add the broadcast address so we can send broadcast frames */
- 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 */
if (new_assoc) {
- if (priv->iw_mode == NL80211_IFTYPE_STATION) {
- ret = iwl_rxon_add_station(priv,
- priv->active_rxon.bssid_addr, 1);
- if (ret == IWL_INVALID_STATION) {
- IWL_ERR(priv,
- "Error adding AP address for TX.\n");
- return -EIO;
- }
- priv->assoc_station_added = 1;
- if (priv->default_wep_key &&
- iwl_send_static_wepkey_cmd(priv, 0))
- IWL_ERR(priv,
- "Could not send WEP static key.\n");
- }
-
/*
* allow CTS-to-self if possible for new association.
* this is relevant only for 5000 series and up,
priv->rx_handlers[MISSED_BEACONS_NOTIFICATION] =
iwl_rx_missed_beacon_notif;
/* Rx handlers */
- priv->rx_handlers[REPLY_RX_PHY_CMD] = iwl_rx_reply_rx_phy;
- priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwl_rx_reply_rx;
+ priv->rx_handlers[REPLY_RX_PHY_CMD] = iwlagn_rx_reply_rx_phy;
+ priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwlagn_rx_reply_rx;
/* block ack */
- priv->rx_handlers[REPLY_COMPRESSED_BA] = iwl_rx_reply_compressed_ba;
+ priv->rx_handlers[REPLY_COMPRESSED_BA] = iwlagn_rx_reply_compressed_ba;
/* Set up hardware specific Rx handlers */
priv->cfg->ops->lib->rx_handler_setup(priv);
}
count++;
if (count >= 8) {
rxq->read = i;
- iwl_rx_replenish_now(priv);
+ iwlagn_rx_replenish_now(priv);
count = 0;
}
}
/* Backtrack one entry */
rxq->read = i;
if (fill_rx)
- iwl_rx_replenish_now(priv);
+ iwlagn_rx_replenish_now(priv);
else
- iwl_rx_queue_restock(priv);
+ iwlagn_rx_queue_restock(priv);
}
/* call this function to flush any scheduled tasklet */
/* 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->_agn.inta | ~priv->inta_mask);
- inta = priv->inta;
+ inta = priv->_agn.inta;
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(priv) & IWL_DL_ISR) {
spin_unlock_irqrestore(&priv->lock, flags);
- /* saved interrupt in inta variable now we can reset priv->inta */
- priv->inta = 0;
+ /* saved interrupt in inta variable now we can reset priv->_agn.inta */
+ priv->_agn.inta = 0;
/* Now service all interrupt bits discovered above. */
if (inta & CSR_INT_BIT_HW_ERR) {
iwl_enable_interrupts(priv);
}
+/* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */
+#define ACK_CNT_RATIO (50)
+#define BA_TIMEOUT_CNT (5)
+#define BA_TIMEOUT_MAX (16)
+
+/**
+ * iwl_good_ack_health - checks for ACK count ratios, BA timeout retries.
+ *
+ * When the ACK count ratio is 0 and aggregated BA timeout retries exceeding
+ * the BA_TIMEOUT_MAX, reload firmware and bring system back to normal
+ * operation state.
+ */
+bool iwl_good_ack_health(struct iwl_priv *priv,
+ struct iwl_rx_packet *pkt)
+{
+ bool rc = true;
+ int actual_ack_cnt_delta, expected_ack_cnt_delta;
+ int ba_timeout_delta;
+
+ actual_ack_cnt_delta =
+ le32_to_cpu(pkt->u.stats.tx.actual_ack_cnt) -
+ le32_to_cpu(priv->statistics.tx.actual_ack_cnt);
+ expected_ack_cnt_delta =
+ le32_to_cpu(pkt->u.stats.tx.expected_ack_cnt) -
+ le32_to_cpu(priv->statistics.tx.expected_ack_cnt);
+ ba_timeout_delta =
+ le32_to_cpu(pkt->u.stats.tx.agg.ba_timeout) -
+ le32_to_cpu(priv->statistics.tx.agg.ba_timeout);
+ if ((priv->_agn.agg_tids_count > 0) &&
+ (expected_ack_cnt_delta > 0) &&
+ (((actual_ack_cnt_delta * 100) / expected_ack_cnt_delta)
+ < ACK_CNT_RATIO) &&
+ (ba_timeout_delta > BA_TIMEOUT_CNT)) {
+ IWL_DEBUG_RADIO(priv, "actual_ack_cnt delta = %d,"
+ " expected_ack_cnt = %d\n",
+ actual_ack_cnt_delta, expected_ack_cnt_delta);
+
+#ifdef CONFIG_IWLWIFI_DEBUG
+ IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n",
+ priv->delta_statistics.tx.rx_detected_cnt);
+ IWL_DEBUG_RADIO(priv,
+ "ack_or_ba_timeout_collision delta = %d\n",
+ priv->delta_statistics.tx.
+ ack_or_ba_timeout_collision);
+#endif
+ IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n",
+ ba_timeout_delta);
+ if (!actual_ack_cnt_delta &&
+ (ba_timeout_delta >= BA_TIMEOUT_MAX))
+ rc = false;
+ }
+ return rc;
+}
+
/******************************************************************************
*
}
+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[] = {
return pos;
}
-/* For sanity check only. Actual size is determined by uCode, typ. 512 */
-#define MAX_EVENT_LOG_SIZE (512)
-
#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
- if (capacity > MAX_EVENT_LOG_SIZE) {
+ if (capacity > priv->cfg->max_event_log_size) {
IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
- capacity, MAX_EVENT_LOG_SIZE);
- capacity = MAX_EVENT_LOG_SIZE;
+ capacity, priv->cfg->max_event_log_size);
+ capacity = priv->cfg->max_event_log_size;
}
- if (next_entry > MAX_EVENT_LOG_SIZE) {
+ if (next_entry > priv->cfg->max_event_log_size) {
IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
- next_entry, MAX_EVENT_LOG_SIZE);
- next_entry = MAX_EVENT_LOG_SIZE;
+ next_entry, priv->cfg->max_event_log_size);
+ next_entry = priv->cfg->max_event_log_size;
}
size = num_wraps ? capacity : next_entry;
goto restart;
}
- iwl_clear_stations_table(priv);
ret = priv->cfg->ops->lib->alive_notify(priv);
if (ret) {
IWL_WARN(priv,
/* After the ALIVE response, we can send host commands to the uCode */
set_bit(STATUS_ALIVE, &priv->status);
+ if (priv->cfg->ops->lib->recover_from_tx_stall) {
+ /* Enable timer to monitor the driver queues */
+ mod_timer(&priv->monitor_recover,
+ jiffies +
+ msecs_to_jiffies(priv->cfg->monitor_recover_period));
+ }
+
if (iwl_is_rfkill(priv))
return;
ieee80211_wake_queues(priv->hw);
- priv->active_rate = priv->rates_mask;
- priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
+ priv->active_rate = IWL_RATES_MASK;
/* Configure Tx antenna selection based on H/W config */
if (priv->cfg->ops->hcmd->set_tx_ant)
wake_up_interruptible(&priv->wait_command_queue);
iwl_power_update_mode(priv, true);
+ IWL_DEBUG_INFO(priv, "Updated power mode\n");
- /* 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)
- iwl_mac_beacon_update(priv->hw, beacon);
- }
-
-
- if (test_and_clear_bit(STATUS_MODE_PENDING, &priv->status))
- iwl_set_mode(priv, priv->iw_mode);
return;
if (!exit_pending)
set_bit(STATUS_EXIT_PENDING, &priv->status);
- iwl_clear_stations_table(priv);
+ iwl_clear_ucode_stations(priv, true);
/* Unblock any waiting calls */
wake_up_interruptible_all(&priv->wait_command_queue);
/* device going down, Stop using ICT table */
iwl_disable_ict(priv);
- iwl_txq_ctx_stop(priv);
- iwl_rxq_stop(priv);
+ iwlagn_txq_ctx_stop(priv);
+ iwlagn_rxq_stop(priv);
/* Power-down device's busmaster DMA clocks */
iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT);
{
int ret = 0;
- IWL_DEBUG_INFO(priv, "iwl_prepare_card_hw enter \n");
+ IWL_DEBUG_INFO(priv, "iwl_prepare_card_hw enter\n");
ret = iwl_set_hw_ready(priv);
if (priv->hw_ready)
iwl_write32(priv, CSR_INT, 0xFFFFFFFF);
- ret = iwl_hw_nic_init(priv);
+ ret = iwlagn_hw_nic_init(priv);
if (ret) {
IWL_ERR(priv, "Unable to init nic\n");
return ret;
for (i = 0; i < MAX_HW_RESTARTS; i++) {
- iwl_clear_stations_table(priv);
-
/* load bootstrap state machine,
* load bootstrap program into processor's memory,
* prepare to load the "initialize" uCode */
return;
mutex_lock(&priv->mutex);
- iwl_rx_replenish(priv);
+ iwlagn_rx_replenish(priv);
mutex_unlock(&priv->mutex);
}
{
struct ieee80211_conf *conf = NULL;
int ret = 0;
- unsigned long flags;
if (priv->iw_mode == NL80211_IFTYPE_AP) {
IWL_ERR(priv, "%s Should not be called in AP mode\n", __func__);
return;
}
- IWL_DEBUG_ASSOC(priv, "Associated as %d to: %pM\n",
- priv->assoc_id, priv->active_rxon.bssid_addr);
-
-
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
iwlcore_commit_rxon(priv);
+ IWL_DEBUG_ASSOC(priv, "Associated as %d to: %pM\n",
+ priv->assoc_id, priv->active_rxon.bssid_addr);
+
switch (priv->iw_mode) {
case NL80211_IFTYPE_STATION:
break;
/* assume default assoc id */
priv->assoc_id = 1;
- iwl_rxon_add_station(priv, priv->bssid, 0);
+ iwl_add_local_station(priv, priv->bssid, true);
iwl_send_beacon_cmd(priv);
break;
break;
}
- if (priv->iw_mode == NL80211_IFTYPE_ADHOC)
- priv->assoc_station_added = 1;
-
- spin_lock_irqsave(&priv->lock, flags);
- iwl_activate_qos(priv, 0);
- spin_unlock_irqrestore(&priv->lock, flags);
-
/* the chain noise calibration will enabled PM upon completion
* If chain noise has already been run, then we need to enable
* power management here */
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;
/*
*/
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
- hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX + 1;
+ hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
/* we create the 802.11 header and a zero-length SSID element */
hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
/* 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)
IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
- if (iwl_tx_skb(priv, skb))
+ if (iwlagn_tx_skb(priv, skb))
dev_kfree_skb_any(skb);
IWL_DEBUG_MACDUMP(priv, "leave\n");
void iwl_config_ap(struct iwl_priv *priv)
{
int ret = 0;
- unsigned long flags;
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
/* restore RXON assoc */
priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
iwlcore_commit_rxon(priv);
- iwl_reset_qos(priv);
- spin_lock_irqsave(&priv->lock, flags);
- iwl_activate_qos(priv, 1);
- spin_unlock_irqrestore(&priv->lock, flags);
iwl_add_bcast_station(priv);
}
iwl_send_beacon_cmd(priv);
mutex_lock(&priv->mutex);
iwl_scan_cancel_timeout(priv, 100);
- mutex_unlock(&priv->mutex);
/* If we are getting WEP group key and we didn't receive any key mapping
* so far, we are in legacy wep mode (group key only), otherwise we are
ret = -EINVAL;
}
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return ret;
return ret;
case IEEE80211_AMPDU_TX_START:
IWL_DEBUG_HT(priv, "start Tx\n");
- return iwl_tx_agg_start(priv, sta->addr, tid, ssn);
+ ret = iwlagn_tx_agg_start(priv, sta->addr, tid, ssn);
+ if (ret == 0) {
+ priv->_agn.agg_tids_count++;
+ IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",
+ priv->_agn.agg_tids_count);
+ }
+ return ret;
case IEEE80211_AMPDU_TX_STOP:
IWL_DEBUG_HT(priv, "stop Tx\n");
- ret = iwl_tx_agg_stop(priv, sta->addr, tid);
+ ret = iwlagn_tx_agg_stop(priv, sta->addr, tid);
+ if ((ret == 0) && (priv->_agn.agg_tids_count > 0)) {
+ priv->_agn.agg_tids_count--;
+ IWL_DEBUG_HT(priv, "priv->_agn.agg_tids_count = %u\n",
+ priv->_agn.agg_tids_count);
+ }
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return 0;
else
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
int sta_id;
- /*
- * TODO: We really should use this callback to
- * actually maintain the station table in
- * the device.
- */
-
switch (cmd) {
- case STA_NOTIFY_ADD:
- atomic_set(&sta_priv->pending_frames, 0);
- if (vif->type == NL80211_IFTYPE_AP)
- sta_priv->client = true;
- break;
case STA_NOTIFY_SLEEP:
WARN_ON(!sta_priv->client);
sta_priv->asleep = true;
}
}
+static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct iwl_priv *priv = hw->priv;
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ bool is_ap = priv->iw_mode == NL80211_IFTYPE_STATION;
+ int ret;
+ u8 sta_id;
+
+ IWL_DEBUG_INFO(priv, "received request to add station %pM\n",
+ sta->addr);
+
+ atomic_set(&sta_priv->pending_frames, 0);
+ if (vif->type == NL80211_IFTYPE_AP)
+ sta_priv->client = true;
+
+ ret = iwl_add_station_common(priv, sta->addr, is_ap, &sta->ht_cap,
+ &sta_id);
+ if (ret) {
+ IWL_ERR(priv, "Unable to add station %pM (%d)\n",
+ sta->addr, ret);
+ /* Should we return success if return code is EEXIST ? */
+ return ret;
+ }
+
+ /* Initialize rate scaling */
+ IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n",
+ sta->addr);
+ iwl_rs_rate_init(priv, sta, sta_id);
+
+ return ret;
+}
+
/*****************************************************************************
*
* sysfs attributes
static DEVICE_ATTR(tx_power, S_IWUSR | S_IRUGO, show_tx_power, store_tx_power);
-static ssize_t show_flags(struct device *d,
- struct device_attribute *attr, char *buf)
-{
- struct iwl_priv *priv = dev_get_drvdata(d);
-
- return sprintf(buf, "0x%04X\n", priv->active_rxon.flags);
-}
-
-static ssize_t store_flags(struct device *d,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct iwl_priv *priv = dev_get_drvdata(d);
- unsigned long val;
- u32 flags;
- int ret = strict_strtoul(buf, 0, &val);
- if (ret)
- return ret;
- flags = (u32)val;
-
- mutex_lock(&priv->mutex);
- if (le32_to_cpu(priv->staging_rxon.flags) != flags) {
- /* Cancel any currently running scans... */
- if (iwl_scan_cancel_timeout(priv, 100))
- IWL_WARN(priv, "Could not cancel scan.\n");
- else {
- IWL_DEBUG_INFO(priv, "Commit rxon.flags = 0x%04X\n", flags);
- priv->staging_rxon.flags = cpu_to_le32(flags);
- iwlcore_commit_rxon(priv);
- }
- }
- mutex_unlock(&priv->mutex);
-
- return count;
-}
-
-static DEVICE_ATTR(flags, S_IWUSR | S_IRUGO, show_flags, store_flags);
-
-static ssize_t show_filter_flags(struct device *d,
- struct device_attribute *attr, char *buf)
-{
- struct iwl_priv *priv = dev_get_drvdata(d);
-
- return sprintf(buf, "0x%04X\n",
- le32_to_cpu(priv->active_rxon.filter_flags));
-}
-
-static ssize_t store_filter_flags(struct device *d,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct iwl_priv *priv = dev_get_drvdata(d);
- unsigned long val;
- u32 filter_flags;
- int ret = strict_strtoul(buf, 0, &val);
- if (ret)
- return ret;
- filter_flags = (u32)val;
-
- mutex_lock(&priv->mutex);
- if (le32_to_cpu(priv->staging_rxon.filter_flags) != filter_flags) {
- /* Cancel any currently running scans... */
- if (iwl_scan_cancel_timeout(priv, 100))
- IWL_WARN(priv, "Could not cancel scan.\n");
- else {
- IWL_DEBUG_INFO(priv, "Committing rxon.filter_flags = "
- "0x%04X\n", filter_flags);
- priv->staging_rxon.filter_flags =
- cpu_to_le32(filter_flags);
- iwlcore_commit_rxon(priv);
- }
- }
- mutex_unlock(&priv->mutex);
-
- return count;
-}
-
-static DEVICE_ATTR(filter_flags, S_IWUSR | S_IRUGO, show_filter_flags,
- store_filter_flags);
-
-
static ssize_t show_statistics(struct device *d,
struct device_attribute *attr, char *buf)
{
priv->ucode_trace.data = (unsigned long)priv;
priv->ucode_trace.function = iwl_bg_ucode_trace;
+ if (priv->cfg->ops->lib->recover_from_tx_stall) {
+ init_timer(&priv->monitor_recover);
+ priv->monitor_recover.data = (unsigned long)priv;
+ priv->monitor_recover.function =
+ priv->cfg->ops->lib->recover_from_tx_stall;
+ }
+
if (!priv->cfg->use_isr_legacy)
tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
iwl_irq_tasklet, (unsigned long)priv);
cancel_work_sync(&priv->beacon_update);
del_timer_sync(&priv->statistics_periodic);
del_timer_sync(&priv->ucode_trace);
+ if (priv->cfg->ops->lib->recover_from_tx_stall)
+ del_timer_sync(&priv->monitor_recover);
}
static void iwl_init_hw_rates(struct iwl_priv *priv,
INIT_LIST_HEAD(&priv->free_frames);
mutex_init(&priv->mutex);
-
- /* Clear the driver's (not device's) station table */
- iwl_clear_stations_table(priv);
+ mutex_init(&priv->sync_cmd_mutex);
priv->ieee_channels = NULL;
priv->ieee_rates = NULL;
priv->iw_mode = NL80211_IFTYPE_STATION;
priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
+ priv->_agn.agg_tids_count = 0;
+
+ /* 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)
iwl_init_scan_params(priv);
- iwl_reset_qos(priv);
-
- priv->qos_data.qos_active = 0;
- priv->qos_data.qos_cap.val = 0;
-
- priv->rates_mask = IWL_RATES_MASK;
/* Set the tx_power_user_lmt to the lowest power level
* this value will get overwritten by channel max power avg
* from eeprom */
- priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MIN;
+ priv->tx_power_user_lmt = IWLAGN_TX_POWER_TARGET_POWER_MIN;
ret = iwl_init_channel_map(priv);
if (ret) {
}
static struct attribute *iwl_sysfs_entries[] = {
- &dev_attr_flags.attr,
- &dev_attr_filter_flags.attr,
&dev_attr_statistics.attr,
&dev_attr_temperature.attr,
&dev_attr_tx_power.attr,
.ampdu_action = iwl_mac_ampdu_action,
.hw_scan = iwl_mac_hw_scan,
.sta_notify = iwl_mac_sta_notify,
+ .sta_add = iwlagn_mac_sta_add,
+ .sta_remove = iwl_mac_sta_remove,
};
static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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",
+ IWL_INFO(priv, "Detected %s, REV=0x%X\n",
priv->cfg->name, priv->hw_rev);
/* We disable the RETRY_TIMEOUT register (0x41) to keep
iwl_power_initialize(priv);
iwl_tt_initialize(priv);
- /**************************************************
- * 9. Setup and register with mac80211 and debugfs
- **************************************************/
- err = iwl_mac_setup_register(priv);
+ err = iwl_request_firmware(priv, true);
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);
-
return 0;
out_remove_sysfs:
iwl_dealloc_ucode_pci(priv);
if (priv->rxq.bd)
- iwl_rx_queue_free(priv, &priv->rxq);
- iwl_hw_txq_ctx_free(priv);
+ iwlagn_rx_queue_free(priv, &priv->rxq);
+ iwlagn_hw_txq_ctx_free(priv);
- iwl_clear_stations_table(priv);
iwl_eeprom_free(priv);
*****************************************************************************/
/* 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)},
{IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
{IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
{IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
+ {IWL_PCI_DEVICE(0x0082, 0x1201, iwl6000i_g2_2agn_cfg)},
/* 6x50 WiFi/WiMax Series */
{IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
MODULE_PARM_DESC(debug, "debug output mask");
#endif
+module_param_named(swcrypto50, iwlagn_mod_params.sw_crypto, bool, S_IRUGO);
+MODULE_PARM_DESC(swcrypto50,
+ "using crypto in software (default 0 [hardware]) (deprecated)");
+module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO);
+MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
+module_param_named(queues_num50,
+ iwlagn_mod_params.num_of_queues, int, S_IRUGO);
+MODULE_PARM_DESC(queues_num50,
+ "number of hw queues in 50xx series (deprecated)");
+module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO);
+MODULE_PARM_DESC(queues_num, "number of hw queues.");
+module_param_named(11n_disable50, iwlagn_mod_params.disable_11n, int, S_IRUGO);
+MODULE_PARM_DESC(11n_disable50, "disable 50XX 11n functionality (deprecated)");
+module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO);
+MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
+module_param_named(amsdu_size_8K50, iwlagn_mod_params.amsdu_size_8K,
+ int, S_IRUGO);
+MODULE_PARM_DESC(amsdu_size_8K50,
+ "enable 8K amsdu size in 50XX series (deprecated)");
+module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K,
+ int, S_IRUGO);
+MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
+module_param_named(fw_restart50, iwlagn_mod_params.restart_fw, int, S_IRUGO);
+MODULE_PARM_DESC(fw_restart50,
+ "restart firmware in case of error (deprecated)");
+module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO);
+MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
+module_param_named(
+ disable_hw_scan, iwlagn_mod_params.disable_hw_scan, int, S_IRUGO);
+MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
projects / firefly-linux-kernel-4.4.55.git / blobdiff