ath9k_hw_set_interrupts(ah, ah->imask);
if (!(sc->sc_flags & (SC_OP_OFFCHANNEL))) {
- ath_beacon_config(sc, NULL);
+ if (sc->sc_flags & SC_OP_BEACONS)
+ ath_beacon_config(sc, NULL);
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
ath_start_ani(common);
}
ath9k_ps_restore(sc);
}
+static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain)
+{
+ struct ieee80211_hw *hw = sc->hw;
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_tx_control txctl;
+ int time_left;
+
+ memset(&txctl, 0, sizeof(txctl));
+ txctl.txq = sc->tx.txq_map[WME_AC_BE];
+
+ memset(tx_info, 0, sizeof(*tx_info));
+ tx_info->band = hw->conf.channel->band;
+ tx_info->flags |= IEEE80211_TX_CTL_NO_ACK;
+ tx_info->control.rates[0].idx = 0;
+ tx_info->control.rates[0].count = 1;
+ tx_info->control.rates[0].flags = IEEE80211_TX_RC_MCS;
+ tx_info->control.rates[1].idx = -1;
+
+ init_completion(&sc->paprd_complete);
+ sc->paprd_pending = true;
+ txctl.paprd = BIT(chain);
+
+ if (ath_tx_start(hw, skb, &txctl) != 0) {
+ ath_dbg(common, ATH_DBG_XMIT, "PAPRD TX failed\n");
+ dev_kfree_skb_any(skb);
+ return false;
+ }
+
+ time_left = wait_for_completion_timeout(&sc->paprd_complete,
+ msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
+ sc->paprd_pending = false;
+
+ if (!time_left)
+ ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CALIBRATE,
+ "Timeout waiting for paprd training on TX chain %d\n",
+ chain);
+
+ return !!time_left;
+}
+
void ath_paprd_calibrate(struct work_struct *work)
{
struct ath_softc *sc = container_of(work, struct ath_softc, paprd_work);
struct ath_hw *ah = sc->sc_ah;
struct ieee80211_hdr *hdr;
struct sk_buff *skb = NULL;
- struct ieee80211_tx_info *tx_info;
- int band = hw->conf.channel->band;
- struct ieee80211_supported_band *sband = &sc->sbands[band];
- struct ath_tx_control txctl;
struct ath9k_hw_cal_data *caldata = ah->caldata;
struct ath_common *common = ath9k_hw_common(ah);
int ftype;
int chain_ok = 0;
int chain;
int len = 1800;
- int time_left;
- int i;
if (!caldata)
return;
+ if (ar9003_paprd_init_table(ah) < 0)
+ return;
+
skb = alloc_skb(len, GFP_KERNEL);
if (!skb)
return;
- tx_info = IEEE80211_SKB_CB(skb);
-
skb_put(skb, len);
memset(skb->data, 0, len);
hdr = (struct ieee80211_hdr *)skb->data;
memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN);
memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN);
- memset(&txctl, 0, sizeof(txctl));
- txctl.txq = sc->tx.txq_map[WME_AC_BE];
-
ath9k_ps_wakeup(sc);
- ar9003_paprd_init_table(ah);
for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
if (!(common->tx_chainmask & BIT(chain)))
continue;
chain_ok = 0;
- memset(tx_info, 0, sizeof(*tx_info));
- tx_info->band = band;
- for (i = 0; i < 4; i++) {
- tx_info->control.rates[i].idx = sband->n_bitrates - 1;
- tx_info->control.rates[i].count = 6;
- }
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Sending PAPRD frame for thermal measurement "
+ "on chain %d\n", chain);
+ if (!ath_paprd_send_frame(sc, skb, chain))
+ goto fail_paprd;
- init_completion(&sc->paprd_complete);
- sc->paprd_pending = true;
ar9003_paprd_setup_gain_table(ah, chain);
- txctl.paprd = BIT(chain);
- if (ath_tx_start(hw, skb, &txctl) != 0)
- break;
- time_left = wait_for_completion_timeout(&sc->paprd_complete,
- msecs_to_jiffies(ATH_PAPRD_TIMEOUT));
- sc->paprd_pending = false;
- if (!time_left) {
- ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
- "Timeout waiting for paprd training on TX chain %d\n",
- chain);
+ ath_dbg(common, ATH_DBG_CALIBRATE,
+ "Sending PAPRD training frame on chain %d\n", chain);
+ if (!ath_paprd_send_frame(sc, skb, chain))
goto fail_paprd;
- }
if (!ar9003_paprd_is_done(ah))
break;
if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
if (!ah->caldata->paprd_done)
ieee80211_queue_work(sc->hw, &sc->paprd_work);
- else
+ else if (!ah->paprd_table_write_done)
ath_paprd_activate(sc);
}
}
-/*
- * Update tx/rx chainmask. For legacy association,
- * hard code chainmask to 1x1, for 11n association, use
- * the chainmask configuration, for bt coexistence, use
- * the chainmask configuration even in legacy mode.
- */
-void ath_update_chainmask(struct ath_softc *sc, int is_ht)
-{
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
-
- if ((sc->sc_flags & SC_OP_OFFCHANNEL) || is_ht ||
- (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
- common->tx_chainmask = ah->caps.tx_chainmask;
- common->rx_chainmask = ah->caps.rx_chainmask;
- } else {
- common->tx_chainmask = 1;
- common->rx_chainmask = 1;
- }
-
- ath_dbg(common, ATH_DBG_CONFIG,
- "tx chmask: %d, rx chmask: %d\n",
- common->tx_chainmask,
- common->rx_chainmask);
-}
-
static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
{
struct ath_node *an;
u32 status = sc->intrstatus;
u32 rxmask;
- ath9k_ps_wakeup(sc);
-
if (status & ATH9K_INT_FATAL) {
ath_reset(sc, true);
- ath9k_ps_restore(sc);
return;
}
- spin_lock_bh(&sc->sc_pcu_lock);
+ ath9k_ps_wakeup(sc);
+ spin_lock(&sc->sc_pcu_lock);
if (!ath9k_hw_check_alive(ah))
ieee80211_queue_work(sc->hw, &sc->hw_check_work);
/* re-enable hardware interrupt */
ath9k_hw_enable_interrupts(ah);
- spin_unlock_bh(&sc->sc_pcu_lock);
+ spin_unlock(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
}
ath_update_txpow(sc);
if (ath_startrecv(sc) != 0) {
ath_err(common, "Unable to restart recv logic\n");
- spin_unlock_bh(&sc->sc_pcu_lock);
- return;
+ goto out;
}
if (sc->sc_flags & SC_OP_BEACONS)
ath_beacon_config(sc, NULL); /* restart beacons */
ath9k_hw_set_gpio(ah, ah->led_pin, 0);
ieee80211_wake_queues(hw);
+out:
spin_unlock_bh(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
spin_unlock_bh(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
-
- ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
}
int ath_reset(struct ath_softc *sc, bool retry_tx)
/* Stop ANI */
del_timer_sync(&common->ani.timer);
+ ath9k_ps_wakeup(sc);
spin_lock_bh(&sc->sc_pcu_lock);
ieee80211_stop_queues(hw);
/* Start ANI */
ath_start_ani(common);
+ ath9k_ps_restore(sc);
return r;
}
ath9k_btcoex_timer_resume(sc);
}
- pm_qos_update_request(&sc->pm_qos_req, 55);
+ /* User has the option to provide pm-qos value as a module
+ * parameter rather than using the default value of
+ * 'ATH9K_PM_QOS_DEFAULT_VALUE'.
+ */
+ pm_qos_update_request(&sc->pm_qos_req, ath9k_pm_qos_value);
if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en)
common->bus_ops->extn_synch_en(common);
spin_lock_bh(&sc->sc_pcu_lock);
+ /* prevent tasklets to enable interrupts once we disable them */
+ ah->imask &= ~ATH9K_INT_GLOBAL;
+
/* make sure h/w will not generate any interrupt
* before setting the invalid flag. */
ath9k_hw_disable_interrupts(ah);
spin_unlock_bh(&sc->sc_pcu_lock);
+ /* we can now sync irq and kill any running tasklets, since we already
+ * disabled interrupts and not holding a spin lock */
+ synchronize_irq(sc->irq);
+ tasklet_kill(&sc->intr_tq);
+ tasklet_kill(&sc->bcon_tasklet);
+
ath9k_ps_restore(sc);
- /* Finally, put the chip in FULL SLEEP mode */
- ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
+ sc->ps_idle = true;
+ ath9k_set_wiphy_idle(aphy, true);
+ ath_radio_disable(sc, hw);
sc->sc_flags |= SC_OP_INVALID;
return ret;
}
+static void ath9k_reclaim_beacon(struct ath_softc *sc,
+ struct ieee80211_vif *vif)
+{
+ struct ath_vif *avp = (void *)vif->drv_priv;
+
+ /* Disable SWBA interrupt */
+ sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
+ ath9k_ps_wakeup(sc);
+ ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
+ ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+ tasklet_kill(&sc->bcon_tasklet);
+ ath9k_ps_restore(sc);
+
+ ath_beacon_return(sc, avp);
+ sc->sc_flags &= ~SC_OP_BEACONS;
+
+ if (sc->nbcnvifs > 0) {
+ /* Re-enable beaconing */
+ sc->sc_ah->imask |= ATH9K_INT_SWBA;
+ ath9k_ps_wakeup(sc);
+ ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
+ ath9k_ps_restore(sc);
+ }
+}
+
+static int ath9k_change_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum nl80211_iftype new_type,
+ bool p2p)
+{
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ int ret = 0;
+
+ ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
+ mutex_lock(&sc->mutex);
+
+ switch (new_type) {
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_ADHOC:
+ if (sc->nbcnvifs >= ATH_BCBUF) {
+ ath_err(common, "No beacon slot available\n");
+ ret = -ENOBUFS;
+ goto out;
+ }
+ break;
+ case NL80211_IFTYPE_STATION:
+ /* Stop ANI */
+ sc->sc_flags &= ~SC_OP_ANI_RUN;
+ del_timer_sync(&common->ani.timer);
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_ADHOC))
+ ath9k_reclaim_beacon(sc, vif);
+ break;
+ default:
+ ath_err(common, "Interface type %d not yet supported\n",
+ vif->type);
+ ret = -ENOTSUPP;
+ goto out;
+ }
+ vif->type = new_type;
+ vif->p2p = p2p;
+
+out:
+ mutex_unlock(&sc->mutex);
+ return ret;
+}
+
static void ath9k_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_vif *avp = (void *)vif->drv_priv;
ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n");
/* Reclaim beacon resources */
if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
- (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
- /* Disable SWBA interrupt */
- sc->sc_ah->imask &= ~ATH9K_INT_SWBA;
- ath9k_ps_wakeup(sc);
- ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
- ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
- ath9k_ps_restore(sc);
- tasklet_kill(&sc->bcon_tasklet);
- }
-
- ath_beacon_return(sc, avp);
- sc->sc_flags &= ~SC_OP_BEACONS;
-
- if (sc->nbcnvifs) {
- /* Re-enable SWBA interrupt */
- sc->sc_ah->imask |= ATH9K_INT_SWBA;
- ath9k_ps_wakeup(sc);
- ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask);
- ath9k_ps_restore(sc);
- }
+ (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT))
+ ath9k_reclaim_beacon(sc, vif);
sc->nvifs--;
/* XXX: remove me eventualy */
ath9k_update_ichannel(sc, hw, &sc->sc_ah->channels[pos]);
- ath_update_chainmask(sc, conf_is_ht(conf));
-
/* update survey stats for the old channel before switching */
spin_lock_irqsave(&common->cc_lock, flags);
ath_update_survey_stats(sc);
skip_chan_change:
if (changed & IEEE80211_CONF_CHANGE_POWER) {
sc->config.txpowlimit = 2 * conf->power_level;
+ ath9k_ps_wakeup(sc);
ath_update_txpow(sc);
+ ath9k_ps_restore(sc);
}
spin_lock_bh(&sc->wiphy_lock);
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
int ret = 0;
- if (modparam_nohwcrypt)
+ if (ath9k_modparam_nohwcrypt)
return -ENOSPC;
mutex_lock(&sc->mutex);
/* Set aggregation protection mode parameters */
sc->config.ath_aggr_prot = 0;
- /* Only legacy IBSS for now */
- if (vif->type == NL80211_IFTYPE_ADHOC)
- ath_update_chainmask(sc, 0);
-
ath_dbg(common, ATH_DBG_CONFIG, "BSSID: %pM aid: 0x%x\n",
common->curbssid, common->curaid);
struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
+ ath9k_ps_wakeup(sc);
tsf = ath9k_hw_gettsf64(sc->sc_ah);
+ ath9k_ps_restore(sc);
mutex_unlock(&sc->mutex);
return tsf;
struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
+ ath9k_ps_wakeup(sc);
ath9k_hw_settsf64(sc->sc_ah, tsf);
+ ath9k_ps_restore(sc);
mutex_unlock(&sc->mutex);
}
.start = ath9k_start,
.stop = ath9k_stop,
.add_interface = ath9k_add_interface,
+ .change_interface = ath9k_change_interface,
.remove_interface = ath9k_remove_interface,
.config = ath9k_config,
.configure_filter = ath9k_configure_filter,
git.openpandora.org / pandora-kernel.git / blobdiff