#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"
if (!sta_ht_inf->ht_supported)
return 0;
}
-
- if (iwl_ht_conf->ht_protection & IEEE80211_HT_OP_MODE_PROTECTION_20MHZ)
- return 1;
- else
- return iwl_is_channel_extension(priv, priv->band,
- le16_to_cpu(priv->staging_rxon.channel),
- iwl_ht_conf->extension_chan_offset);
+ return iwl_is_channel_extension(priv, priv->band,
+ le16_to_cpu(priv->staging_rxon.channel),
+ iwl_ht_conf->extension_chan_offset);
}
EXPORT_SYMBOL(iwl_is_fat_tx_allowed);
RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
if (iwl_is_fat_tx_allowed(priv, NULL)) {
/* pure 40 fat */
- if (rxon->flags & RXON_FLG_FAT_PROT_MSK)
+ if (ht_info->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40;
- else {
+ /* 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;
+ }
+ } else {
/* Note: control channel is opposite of extension channel */
switch (ht_info->extension_chan_offset) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
mutex_init(&priv->mutex);
/* Clear the driver's (not device's) station table */
- priv->cfg->ops->smgmt->clear_station_table(priv);
+ iwl_clear_stations_table(priv);
priv->data_retry_limit = -1;
priv->ieee_channels = NULL;
{
struct iwl_priv *priv = data;
u32 inta, inta_mask;
+#ifdef CONFIG_IWLWIFI_DEBUG
u32 inta_fh;
-
+#endif
if (!priv)
return IRQ_NONE;
}
EXPORT_SYMBOL(iwl_send_card_state);
-void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv)
-{
- unsigned long flags;
-
- if (test_bit(STATUS_RF_KILL_SW, &priv->status))
- return;
-
- IWL_DEBUG_RF_KILL(priv, "Manual SW RF KILL set to: RADIO OFF\n");
-
- 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);
- 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);
- }
-}
-EXPORT_SYMBOL(iwl_radio_kill_sw_disable_radio);
-
-int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv)
-{
- unsigned long flags;
-
- if (!test_bit(STATUS_RF_KILL_SW, &priv->status))
- return 0;
-
- IWL_DEBUG_RF_KILL(priv, "Manual SW RF KILL set to: RADIO ON\n");
-
- 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);
- spin_unlock_irqrestore(&priv->lock, flags);
-
- /* wake up ucode */
- msleep(10);
-
- iwl_read32(priv, CSR_UCODE_DRV_GP1);
- spin_lock_irqsave(&priv->reg_lock, flags);
- if (!iwl_grab_nic_access(priv))
- iwl_release_nic_access(priv);
- spin_unlock_irqrestore(&priv->reg_lock, flags);
-
- if (test_bit(STATUS_RF_KILL_HW, &priv->status)) {
- IWL_DEBUG_RF_KILL(priv, "Can not turn radio back on - "
- "disabled by HW switch\n");
- return 0;
- }
-
- /* when driver is up while rfkill is on, it wont receive
- * any CARD_STATE_NOTIFICATION notifications so we have to
- * restart it in here
- */
- 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 the driver is already loaded, it will receive
- * CARD_STATE_NOTIFICATION notifications and the handler will
- * call restart to reload the driver.
- */
- return 1;
-}
-EXPORT_SYMBOL(iwl_radio_kill_sw_enable_radio);
-
-void iwl_bg_rf_kill(struct work_struct *work)
-{
- struct iwl_priv *priv = container_of(work, struct iwl_priv, rf_kill);
-
- wake_up_interruptible(&priv->wait_command_queue);
-
- if (test_bit(STATUS_EXIT_PENDING, &priv->status))
- return;
-
- mutex_lock(&priv->mutex);
-
- if (!iwl_is_rfkill(priv)) {
- IWL_DEBUG_RF_KILL(priv,
- "HW and/or SW RF Kill no longer active, restarting "
- "device\n");
- if (!test_bit(STATUS_EXIT_PENDING, &priv->status) &&
- priv->is_open)
- queue_work(priv->workqueue, &priv->restart);
- } else {
- /* make sure mac80211 stop sending Tx frame */
- if (priv->mac80211_registered)
- ieee80211_stop_queues(priv->hw);
-
- if (!test_bit(STATUS_RF_KILL_HW, &priv->status))
- IWL_DEBUG_RF_KILL(priv, "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_rx_pm_sleep_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
priv->ibss_beacon = ieee80211_beacon_get(hw, vif);
}
- if ((changes & BSS_CHANGED_BSSID) && !iwl_is_rfkill(priv)) {
- /* If there is currently a HW scan going on in the background
- * then we need to cancel it else the RXON below will fail. */
+ if (changes & BSS_CHANGED_BEACON_INT) {
+ priv->beacon_int = bss_conf->beacon_int;
+ /* TODO: in AP mode, do something to make this take effect */
+ }
+
+ 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_WARN(priv, "Aborted scan still in progress after 100ms\n");
IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
mutex_unlock(&priv->mutex);
return;
}
- memcpy(priv->staging_rxon.bssid_addr,
- bss_conf->bssid, ETH_ALEN);
-
- /* TODO: Audit driver for usage of these members and see
- * if mac80211 deprecates them (priv->bssid looks like it
- * shouldn't be there, but I haven't scanned the IBSS code
- * to verify) - jpk */
- memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
-
- if (priv->iw_mode == NL80211_IFTYPE_AP)
- iwlcore_config_ap(priv);
- else {
- int rc = iwlcore_commit_rxon(priv);
- if ((priv->iw_mode == NL80211_IFTYPE_STATION) && rc)
- iwl_rxon_add_station(
- priv, priv->active_rxon.bssid_addr, 1);
+
+ /* 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);
+
+ /* currently needed in a few places */
+ memcpy(priv->bssid, bss_conf->bssid, ETH_ALEN);
+ } else {
+ priv->staging_rxon.filter_flags &=
+ ~RXON_FILTER_ASSOC_MSK;
}
- } else if (!iwl_is_rfkill(priv)) {
- iwl_scan_cancel_timeout(priv, 100);
- priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- iwlcore_commit_rxon(priv);
+
}
+ /*
+ * 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);
iwl_mac_beacon_update(hw, beacon);
}
- mutex_unlock(&priv->mutex);
-
if (changes & BSS_CHANGED_ERP_PREAMBLE) {
IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n",
bss_conf->use_short_preamble);
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 (changes & BSS_CHANGED_ASSOC) {
IWL_DEBUG_MAC80211(priv, "ASSOC %d\n", bss_conf->assoc);
- /* This should never happen as this function should
- * never be called from interrupt context. */
- if (WARN_ON_ONCE(in_interrupt()))
- return;
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;
- /* we have just associated, don't start scan too early
- * leave time for EAPOL exchange to complete
+ /*
+ * 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;
- mutex_lock(&priv->mutex);
- priv->cfg->ops->lib->post_associate(priv);
- mutex_unlock(&priv->mutex);
- } else {
+ if (!iwl_is_rfkill(priv))
+ priv->cfg->ops->lib->post_associate(priv);
+ } else
priv->assoc_id = 0;
- IWL_DEBUG_MAC80211(priv, "DISASSOC %d\n", bss_conf->assoc);
+
+ }
+
+ 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));
}
- } else if (changes && iwl_is_associated(priv) && priv->assoc_id) {
- IWL_DEBUG_MAC80211(priv, "Associated Changes %d\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));
}
+
+ mutex_unlock(&priv->mutex);
+
IWL_DEBUG_MAC80211(priv, "leave\n");
}
EXPORT_SYMBOL(iwl_bss_info_changed);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
- priv->cfg->ops->smgmt->clear_station_table(priv);
+ iwl_clear_stations_table(priv);
/* dont commit rxon if rf-kill is on*/
if (!iwl_is_ready_rf(priv))
if (priv->cfg->ops->hcmd->set_rxon_chain)
priv->cfg->ops->hcmd->set_rxon_chain(priv);
- if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) {
- if (conf->radio_enabled &&
- iwl_radio_kill_sw_enable_radio(priv)) {
- IWL_DEBUG_MAC80211(priv, "leave - RF-KILL - "
- "waiting for uCode\n");
- goto out;
- }
-
- if (!conf->radio_enabled)
- iwl_radio_kill_sw_disable_radio(priv);
- }
-
- if (!conf->radio_enabled) {
- IWL_DEBUG_MAC80211(priv, "leave - radio disabled\n");
- goto out;
- }
-
if (!iwl_is_ready(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
goto out;