{
/* These items are only settable from the full RXON command */
- if (!(priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ||
+ if (!(iwl_is_associated(priv)) ||
compare_ether_addr(priv->staging_rxon.bssid_addr,
priv->active_rxon.bssid_addr) ||
compare_ether_addr(priv->staging_rxon.node_addr,
/* cast away the const for active_rxon in this function */
struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
DECLARE_MAC_BUF(mac);
- int rc = 0;
+ int ret;
+ bool new_assoc =
+ !!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK);
if (!iwl_is_alive(priv))
- return -1;
+ return -EBUSY;
/* always get timestamp with Rx frame */
priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK;
- rc = iwl4965_check_rxon_cmd(&priv->staging_rxon);
- if (rc) {
+ ret = iwl4965_check_rxon_cmd(&priv->staging_rxon);
+ if (ret) {
IWL_ERROR("Invalid RXON configuration. Not committing.\n");
return -EINVAL;
}
* iwl4965_rxon_assoc_cmd which is used to reconfigure filter
* and other flags for the current radio configuration. */
if (!iwl4965_full_rxon_required(priv)) {
- rc = iwl_send_rxon_assoc(priv);
- if (rc) {
- IWL_ERROR("Error setting RXON_ASSOC "
- "configuration (%d).\n", rc);
- return rc;
+ ret = iwl_send_rxon_assoc(priv);
+ if (ret) {
+ IWL_ERROR("Error setting RXON_ASSOC (%d)\n", ret);
+ return ret;
}
memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-
return 0;
}
* an RXON_ASSOC and the new config wants the associated mask enabled,
* we must clear the associated from the active configuration
* before we apply the new config */
- if (iwl_is_associated(priv) &&
- (priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK)) {
+ if (iwl_is_associated(priv) && new_assoc) {
IWL_DEBUG_INFO("Toggling associated bit on current RXON\n");
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
+ ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
sizeof(struct iwl_rxon_cmd),
&priv->active_rxon);
/* If the mask clearing failed then we set
* active_rxon back to what it was previously */
- if (rc) {
+ if (ret) {
active_rxon->filter_flags |= RXON_FILTER_ASSOC_MSK;
- IWL_ERROR("Error clearing ASSOC_MSK on current "
- "configuration (%d).\n", rc);
- return rc;
+ IWL_ERROR("Error clearing ASSOC_MSK (%d)\n", ret);
+ return ret;
}
}
"* with%s RXON_FILTER_ASSOC_MSK\n"
"* channel = %d\n"
"* bssid = %s\n",
- ((priv->staging_rxon.filter_flags &
- RXON_FILTER_ASSOC_MSK) ? "" : "out"),
+ (new_assoc ? "" : "out"),
le16_to_cpu(priv->staging_rxon.channel),
print_mac(mac, priv->staging_rxon.bssid_addr));
iwl4965_set_rxon_hwcrypto(priv, !priv->hw_params.sw_crypto);
- /* Apply the new configuration */
- rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
+
+ /* 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.
+ */
+ if (!new_assoc) {
+ ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
sizeof(struct iwl_rxon_cmd), &priv->staging_rxon);
- if (rc) {
- IWL_ERROR("Error setting new configuration (%d).\n", rc);
- return rc;
+ if (ret) {
+ IWL_ERROR("Error setting new RXON (%d)\n", ret);
+ return ret;
+ }
+ memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
}
- iwlcore_clear_stations_table(priv);
+ iwl_clear_stations_table(priv);
if (!priv->error_recovering)
priv->start_calib = 0;
iwl_init_sensitivity(priv);
- memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-
/* If we issue a new RXON command which required a tune then we must
* send a new TXPOWER command or we won't be able to Tx any frames */
- rc = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
- if (rc) {
- IWL_ERROR("Error sending TX power (%d).\n", rc);
- return rc;
+ ret = iwl_set_tx_power(priv, priv->tx_power_user_lmt, true);
+ if (ret) {
+ IWL_ERROR("Error sending TX power (%d)\n", ret);
+ return ret;
}
/* Add the broadcast address so we can send broadcast frames */
if (iwl_rxon_add_station(priv, iwl_bcast_addr, 0) ==
- IWL_INVALID_STATION) {
+ IWL_INVALID_STATION) {
IWL_ERROR("Error adding BROADCAST address for transmit.\n");
return -EIO;
}
/* 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 (iwl_is_associated(priv) &&
- (priv->iw_mode == IEEE80211_IF_TYPE_STA)) {
- if (iwl_rxon_add_station(priv, priv->active_rxon.bssid_addr, 1)
- == IWL_INVALID_STATION) {
- IWL_ERROR("Error adding AP address for transmit.\n");
- return -EIO;
+ if (new_assoc) {
+ if (priv->iw_mode == IEEE80211_IF_TYPE_STA) {
+ ret = iwl_rxon_add_station(priv,
+ priv->active_rxon.bssid_addr, 1);
+ if (ret == IWL_INVALID_STATION) {
+ IWL_ERROR("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_ERROR("Could not send WEP static key.\n");
}
- priv->assoc_station_added = 1;
- if (priv->default_wep_key &&
- iwl_send_static_wepkey_cmd(priv, 0))
- IWL_ERROR("Could not send WEP static key.\n");
+
+ /* Apply the new configuration
+ * RXON assoc doesn't clear the station table in uCode,
+ */
+ ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
+ sizeof(struct iwl_rxon_cmd), &priv->staging_rxon);
+ if (ret) {
+ IWL_ERROR("Error setting new RXON (%d)\n", ret);
+ return ret;
+ }
+ memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
}
return 0;
}
}
-int iwl4965_is_network_packet(struct iwl_priv *priv, struct ieee80211_hdr *header)
-{
- /* Filter incoming packets to determine if they are targeted toward
- * this network, discarding packets coming from ourselves */
- switch (priv->iw_mode) {
- case IEEE80211_IF_TYPE_IBSS: /* Header: Dest. | Source | BSSID */
- /* packets from our adapter are dropped (echo) */
- if (!compare_ether_addr(header->addr2, priv->mac_addr))
- return 0;
- /* {broad,multi}cast packets to our IBSS go through */
- if (is_multicast_ether_addr(header->addr1))
- return !compare_ether_addr(header->addr3, priv->bssid);
- /* packets to our adapter go through */
- return !compare_ether_addr(header->addr1, priv->mac_addr);
- case IEEE80211_IF_TYPE_STA: /* Header: Dest. | AP{BSSID} | Source */
- /* packets from our adapter are dropped (echo) */
- if (!compare_ether_addr(header->addr3, priv->mac_addr))
- return 0;
- /* {broad,multi}cast packets to our BSS go through */
- if (is_multicast_ether_addr(header->addr1))
- return !compare_ether_addr(header->addr2, priv->bssid);
- /* packets to our adapter go through */
- return !compare_ether_addr(header->addr1, priv->mac_addr);
- default:
- break;
- }
-
- return 1;
-}
-
-static void iwl4965_sequence_reset(struct iwl_priv *priv)
-{
- /* Reset ieee stats */
-
- /* We don't reset the net_device_stats (ieee->stats) on
- * re-association */
-
- priv->last_seq_num = -1;
- priv->last_frag_num = -1;
- priv->last_packet_time = 0;
-
- iwl_scan_cancel(priv);
-}
-
#define MAX_UCODE_BEACON_INTERVAL 4096
#define INTEL_CONN_LISTEN_INTERVAL __constant_cpu_to_le16(0xA)
iwl4965_connection_init_rx_config(priv);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
- iwlcore_clear_stations_table(priv);
+ iwl_clear_stations_table(priv);
/* dont commit rxon if rf-kill is on*/
if (!iwl_is_ready_rf(priv))
(IWL_OFDM_BASIC_RATES_MASK >> IWL_FIRST_OFDM_RATE) & 0xFF;
}
-#define IWL_PACKET_RETRY_TIME HZ
-
-int iwl4965_is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr *header)
-{
- u16 sc = le16_to_cpu(header->seq_ctrl);
- u16 seq = (sc & IEEE80211_SCTL_SEQ) >> 4;
- u16 frag = sc & IEEE80211_SCTL_FRAG;
- u16 *last_seq, *last_frag;
- unsigned long *last_time;
-
- switch (priv->iw_mode) {
- case IEEE80211_IF_TYPE_IBSS:{
- struct list_head *p;
- struct iwl4965_ibss_seq *entry = NULL;
- u8 *mac = header->addr2;
- int index = mac[5] & (IWL_IBSS_MAC_HASH_SIZE - 1);
-
- __list_for_each(p, &priv->ibss_mac_hash[index]) {
- entry = list_entry(p, struct iwl4965_ibss_seq, list);
- if (!compare_ether_addr(entry->mac, mac))
- break;
- }
- if (p == &priv->ibss_mac_hash[index]) {
- entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
- if (!entry) {
- IWL_ERROR("Cannot malloc new mac entry\n");
- return 0;
- }
- memcpy(entry->mac, mac, ETH_ALEN);
- entry->seq_num = seq;
- entry->frag_num = frag;
- entry->packet_time = jiffies;
- list_add(&entry->list, &priv->ibss_mac_hash[index]);
- return 0;
- }
- last_seq = &entry->seq_num;
- last_frag = &entry->frag_num;
- last_time = &entry->packet_time;
- break;
- }
- case IEEE80211_IF_TYPE_STA:
- last_seq = &priv->last_seq_num;
- last_frag = &priv->last_frag_num;
- last_time = &priv->last_packet_time;
- break;
- default:
- return 0;
- }
- if ((*last_seq == seq) &&
- time_after(*last_time + IWL_PACKET_RETRY_TIME, jiffies)) {
- if (*last_frag == frag)
- goto drop;
- if (*last_frag + 1 != frag)
- /* out-of-order fragment */
- goto drop;
- } else
- *last_seq = seq;
-
- *last_frag = frag;
- *last_time = jiffies;
- return 0;
-
- drop:
- return 1;
-}
-
#ifdef CONFIG_IWL4965_SPECTRUM_MEASUREMENT
#include "iwl-spectrum.h"
wake_up_interruptible(&priv->wait_command_queue);
}
-/* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD).
- * This will be used later in iwl4965_rx_reply_rx() for REPLY_RX_MPDU_CMD. */
-static void iwl4965_rx_reply_rx_phy(struct iwl_priv *priv,
- struct iwl_rx_mem_buffer *rxb)
-{
- struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
- priv->last_phy_res[0] = 1;
- memcpy(&priv->last_phy_res[1], &(pkt->u.raw[0]),
- sizeof(struct iwl4965_rx_phy_res));
-}
-
/**
* iwl4965_setup_rx_handlers - Initialize Rx handler callbacks
*
* This function chains into the hardware specific files for them to setup
* any hardware specific handlers as well.
*/
-static void iwl4965_setup_rx_handlers(struct iwl_priv *priv)
+static void iwl_setup_rx_handlers(struct iwl_priv *priv)
{
priv->rx_handlers[REPLY_ALIVE] = iwl_rx_reply_alive;
priv->rx_handlers[REPLY_ERROR] = iwl4965_rx_reply_error;
* statistics request from the host as well as for the periodic
* statistics notifications (after received beacons) from the uCode.
*/
- priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl4965_hw_rx_statistics;
- priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl4965_hw_rx_statistics;
+ priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_rx_statistics;
+ priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
iwl_setup_rx_scan_handlers(priv);
priv->rx_handlers[MISSED_BEACONS_NOTIFICATION] =
iwl_rx_missed_beacon_notif;
/* Rx handlers */
- priv->rx_handlers[REPLY_RX_PHY_CMD] = iwl4965_rx_reply_rx_phy;
- priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwl4965_rx_reply_rx;
+ priv->rx_handlers[REPLY_RX_PHY_CMD] = iwl_rx_reply_rx_phy;
+ priv->rx_handlers[REPLY_RX_MPDU_CMD] = iwl_rx_reply_rx;
+ /* block ack */
+ priv->rx_handlers[REPLY_COMPRESSED_BA] = iwl_rx_reply_compressed_ba;
/* Set up hardware specific Rx handlers */
priv->cfg->ops->lib->rx_handler_setup(priv);
}
iwl_rx_queue_restock(priv);
}
-#define PERFECT_RSSI (-20) /* dBm */
-#define WORST_RSSI (-95) /* dBm */
-#define RSSI_RANGE (PERFECT_RSSI - WORST_RSSI)
-
-/* Calculate an indication of rx signal quality (a percentage, not dBm!).
- * See http://www.ces.clemson.edu/linux/signal_quality.shtml for info
- * about formulas used below. */
-int iwl4965_calc_sig_qual(int rssi_dbm, int noise_dbm)
-{
- int sig_qual;
- int degradation = PERFECT_RSSI - rssi_dbm;
-
- /* If we get a noise measurement, use signal-to-noise ratio (SNR)
- * as indicator; formula is (signal dbm - noise dbm).
- * SNR at or above 40 is a great signal (100%).
- * Below that, scale to fit SNR of 0 - 40 dB within 0 - 100% indicator.
- * Weakest usable signal is usually 10 - 15 dB SNR. */
- if (noise_dbm) {
- if (rssi_dbm - noise_dbm >= 40)
- return 100;
- else if (rssi_dbm < noise_dbm)
- return 0;
- sig_qual = ((rssi_dbm - noise_dbm) * 5) / 2;
-
- /* Else use just the signal level.
- * This formula is a least squares fit of data points collected and
- * compared with a reference system that had a percentage (%) display
- * for signal quality. */
- } else
- sig_qual = (100 * (RSSI_RANGE * RSSI_RANGE) - degradation *
- (15 * RSSI_RANGE + 62 * degradation)) /
- (RSSI_RANGE * RSSI_RANGE);
-
- if (sig_qual > 100)
- sig_qual = 100;
- else if (sig_qual < 1)
- sig_qual = 0;
-
- return sig_qual;
-}
-
#ifdef CONFIG_IWLWIFI_DEBUG
static void iwl4965_print_rx_config_cmd(struct iwl_priv *priv)
{
goto restart;
}
- iwlcore_clear_stations_table(priv);
+ iwl_clear_stations_table(priv);
ret = priv->cfg->ops->lib->alive_notify(priv);
if (ret) {
IWL_WARNING("Could not complete ALIVE transition [ntf]: %d\n",
iwl_leds_unregister(priv);
- iwlcore_clear_stations_table(priv);
+ iwl_clear_stations_table(priv);
/* Unblock any waiting calls */
wake_up_interruptible_all(&priv->wait_command_queue);
test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
STATUS_GEO_CONFIGURED |
test_bit(STATUS_IN_SUSPEND, &priv->status) <<
- STATUS_IN_SUSPEND;
+ STATUS_IN_SUSPEND |
+ test_bit(STATUS_EXIT_PENDING, &priv->status) <<
+ STATUS_EXIT_PENDING;
goto exit;
}
test_bit(STATUS_IN_SUSPEND, &priv->status) <<
STATUS_IN_SUSPEND |
test_bit(STATUS_FW_ERROR, &priv->status) <<
- STATUS_FW_ERROR;
+ STATUS_FW_ERROR |
+ test_bit(STATUS_EXIT_PENDING, &priv->status) <<
+ STATUS_EXIT_PENDING;
spin_lock_irqsave(&priv->lock, flags);
iwl_clear_bit(priv, CSR_GP_CNTRL,
for (i = 0; i < MAX_HW_RESTARTS; i++) {
- iwlcore_clear_stations_table(priv);
+ iwl_clear_stations_table(priv);
/* load bootstrap state machine,
* load bootstrap program into processor's memory,
switch (priv->iw_mode) {
case IEEE80211_IF_TYPE_STA:
- iwl4965_rate_scale_init(priv->hw, IWL_AP_ID);
break;
case IEEE80211_IF_TYPE_IBSS:
priv->assoc_id = 1;
iwl_rxon_add_station(priv, priv->bssid, 0);
- iwl4965_rate_scale_init(priv->hw, IWL_STA_ID);
iwl4965_send_beacon_cmd(priv);
break;
break;
}
- iwl4965_sequence_reset(priv);
-
/* Enable Rx differential gain and sensitivity calibrations */
iwl_chain_noise_reset(priv);
priv->start_calib = 1;
return;
/* The following should be done only at AP bring up */
- if ((priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) == 0) {
+ if (!(iwl_is_associated(priv))) {
/* RXON - unassoc (to set timing command) */
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter\n");
- priv->lq_mngr.lq_ready = 0;
spin_lock_irqsave(&priv->lock, flags);
memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info));
spin_unlock_irqrestore(&priv->lock, flags);
{
struct iwl_priv *priv = hw->priv;
unsigned long flags;
+ __le64 timestamp;
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter\n");
priv->ibss_beacon = skb;
priv->assoc_id = 0;
+ timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp;
+ priv->timestamp = le64_to_cpu(timestamp) + (priv->beacon_int * 1000);
IWL_DEBUG_MAC80211("leave\n");
spin_unlock_irqrestore(&priv->lock, flags);
struct device_attribute *attr, char *buf)
{
struct iwl_priv *priv = dev_get_drvdata(d);
- u32 size = sizeof(struct iwl4965_notif_statistics);
+ u32 size = sizeof(struct iwl_notif_statistics);
u32 len = 0, ofs = 0;
u8 *data = (u8 *) & priv->statistics;
int rc = 0;
iwl_setup_deferred_work(priv);
- iwl4965_setup_rx_handlers(priv);
+ iwl_setup_rx_handlers(priv);
/********************
* 9. Conclude
static void __devexit iwl4965_pci_remove(struct pci_dev *pdev)
{
struct iwl_priv *priv = pci_get_drvdata(pdev);
- struct list_head *p, *q;
- int i;
unsigned long flags;
if (!priv)
iwl_synchronize_irq(priv);
- /* Free MAC hash list for ADHOC */
- for (i = 0; i < IWL_IBSS_MAC_HASH_SIZE; i++) {
- list_for_each_safe(p, q, &priv->ibss_mac_hash[i]) {
- list_del(p);
- kfree(list_entry(p, struct iwl4965_ibss_seq, list));
- }
- }
-
iwl_rfkill_unregister(priv);
iwl4965_dealloc_ucode_pci(priv);
iwl_rx_queue_free(priv, &priv->rxq);
iwl_hw_txq_ctx_free(priv);
- iwlcore_clear_stations_table(priv);
+ iwl_clear_stations_table(priv);
iwl_eeprom_free(priv);
projects / linux-2.6 / blobdiff