#include "ath9k.h"
#include "btcoex.h"
-static void ath9k_set_assoc_state(struct ath_softc *sc,
- struct ieee80211_vif *vif);
-
u8 ath9k_parse_mpdudensity(u8 mpdudensity)
{
/*
spin_lock_bh(&txq->axq_lock);
- if (txq->axq_depth || !list_empty(&txq->axq_acq))
+ if (txq->axq_depth)
pending = true;
+ if (txq->mac80211_qnum >= 0) {
+ struct list_head *list;
+
+ list = &sc->cur_chan->acq[txq->mac80211_qnum];
+ if (!list_empty(list))
+ pending = true;
+ }
spin_unlock_bh(&txq->axq_lock);
return pending;
}
}
ath9k_cmn_update_txpow(ah, sc->curtxpow,
- sc->config.txpowlimit, &sc->curtxpow);
+ sc->cur_chan->txpower, &sc->curtxpow);
clear_bit(ATH_OP_HW_RESET, &common->op_flags);
- ath9k_hw_set_interrupts(ah);
- ath9k_hw_enable_interrupts(ah);
+ ath9k_calculate_summary_state(sc, sc->cur_chan);
+
+ if (!sc->cur_chan->offchannel && start) {
+ /* restore per chanctx TSF timer */
+ if (sc->cur_chan->tsf_val) {
+ u32 offset;
+
+ offset = ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts,
+ NULL);
+ ath9k_hw_settsf64(ah, sc->cur_chan->tsf_val + offset);
+ }
+
- if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) && start) {
if (!test_bit(ATH_OP_BEACONS, &common->op_flags))
goto work;
}
work:
ath_restart_work(sc);
+ ath_txq_schedule_all(sc);
+ }
- for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
- if (!ATH_TXQ_SETUP(sc, i))
- continue;
+ sc->gtt_cnt = 0;
- spin_lock_bh(&sc->tx.txq[i].axq_lock);
- ath_txq_schedule(sc, &sc->tx.txq[i]);
- spin_unlock_bh(&sc->tx.txq[i].axq_lock);
+ ath9k_hw_set_interrupts(ah);
+ ath9k_hw_enable_interrupts(ah);
+
+ if (!ath9k_use_chanctx)
+ ieee80211_wake_queues(sc->hw);
+ else {
+ if (sc->cur_chan == &sc->offchannel.chan)
+ ieee80211_wake_queue(sc->hw,
+ sc->hw->offchannel_tx_hw_queue);
+ else {
+ for (i = 0; i < IEEE80211_NUM_ACS; i++)
+ ieee80211_wake_queue(sc->hw,
+ sc->cur_chan->hw_queue_base + i);
}
+ if (ah->opmode == NL80211_IFTYPE_AP)
+ ieee80211_wake_queue(sc->hw, sc->hw->queues - 2);
}
- sc->gtt_cnt = 0;
- ieee80211_wake_queues(sc->hw);
-
ath9k_p2p_ps_timer(sc);
return true;
}
-static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan)
+int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
tasklet_disable(&sc->intr_tq);
spin_lock_bh(&sc->sc_pcu_lock);
- if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) {
+ if (!sc->cur_chan->offchannel) {
fastcc = false;
- caldata = &sc->caldata;
+ caldata = &sc->cur_chan->caldata;
}
if (!hchan) {
if (!ath_prepare_reset(sc))
fastcc = false;
+ spin_lock_bh(&sc->chan_lock);
+ sc->cur_chandef = sc->cur_chan->chandef;
+ spin_unlock_bh(&sc->chan_lock);
+
ath_dbg(common, CONFIG, "Reset to %u MHz, HT40: %d fastcc: %d\n",
hchan->channel, IS_CHAN_HT40(hchan), fastcc);
}
if (ath9k_hw_mci_is_enabled(sc->sc_ah) &&
- (sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
+ sc->cur_chan->offchannel)
ath9k_mci_set_txpower(sc, true, false);
if (!ath_complete_reset(sc, true))
return r;
}
-
-/*
- * Set/change channels. If the channel is really being changed, it's done
- * by reseting the chip. To accomplish this we must first cleanup any pending
- * DMA, then restart stuff.
-*/
-static int ath_set_channel(struct ath_softc *sc, struct cfg80211_chan_def *chandef)
-{
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
- struct ieee80211_hw *hw = sc->hw;
- struct ath9k_channel *hchan;
- struct ieee80211_channel *chan = chandef->chan;
- bool offchannel;
- int pos = chan->hw_value;
- int old_pos = -1;
- int r;
-
- if (test_bit(ATH_OP_INVALID, &common->op_flags))
- return -EIO;
-
- offchannel = !!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL);
-
- if (ah->curchan)
- old_pos = ah->curchan - &ah->channels[0];
-
- ath_dbg(common, CONFIG, "Set channel: %d MHz width: %d\n",
- chan->center_freq, chandef->width);
-
- /* update survey stats for the old channel before switching */
- spin_lock_bh(&common->cc_lock);
- ath_update_survey_stats(sc);
- spin_unlock_bh(&common->cc_lock);
-
- ath9k_cmn_get_channel(hw, ah, chandef);
-
- /*
- * If the operating channel changes, change the survey in-use flags
- * along with it.
- * Reset the survey data for the new channel, unless we're switching
- * back to the operating channel from an off-channel operation.
- */
- if (!offchannel && sc->cur_survey != &sc->survey[pos]) {
- if (sc->cur_survey)
- sc->cur_survey->filled &= ~SURVEY_INFO_IN_USE;
-
- sc->cur_survey = &sc->survey[pos];
-
- memset(sc->cur_survey, 0, sizeof(struct survey_info));
- sc->cur_survey->filled |= SURVEY_INFO_IN_USE;
- } else if (!(sc->survey[pos].filled & SURVEY_INFO_IN_USE)) {
- memset(&sc->survey[pos], 0, sizeof(struct survey_info));
- }
-
- hchan = &sc->sc_ah->channels[pos];
- r = ath_reset_internal(sc, hchan);
- if (r)
- return r;
-
- /*
- * The most recent snapshot of channel->noisefloor for the old
- * channel is only available after the hardware reset. Copy it to
- * the survey stats now.
- */
- if (old_pos >= 0)
- ath_update_survey_nf(sc, old_pos);
-
- /*
- * Enable radar pulse detection if on a DFS channel. Spectral
- * scanning and radar detection can not be used concurrently.
- */
- if (hw->conf.radar_enabled) {
- u32 rxfilter;
-
- /* set HW specific DFS configuration */
- ath9k_hw_set_radar_params(ah);
- rxfilter = ath9k_hw_getrxfilter(ah);
- rxfilter |= ATH9K_RX_FILTER_PHYRADAR |
- ATH9K_RX_FILTER_PHYERR;
- ath9k_hw_setrxfilter(ah, rxfilter);
- ath_dbg(common, DFS, "DFS enabled at freq %d\n",
- chan->center_freq);
- } else {
- /* perform spectral scan if requested. */
- if (test_bit(ATH_OP_SCANNING, &common->op_flags) &&
- sc->spectral_mode == SPECTRAL_CHANSCAN)
- ath9k_spectral_scan_trigger(hw);
- }
-
- return 0;
-}
-
static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta,
struct ieee80211_vif *vif)
{
struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
- struct ieee80211_channel *curchan = hw->conf.chandef.chan;
+ struct ieee80211_channel *curchan = sc->cur_chan->chandef.chan;
+ struct ath_chanctx *ctx = sc->cur_chan;
struct ath9k_channel *init_channel;
int r;
ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
- init_channel = ath9k_cmn_get_channel(hw, ah, &hw->conf.chandef);
+ init_channel = ath9k_cmn_get_channel(hw, ah, &ctx->chandef);
+ sc->cur_chandef = hw->conf.chandef;
/* Reset SERDES registers */
ath9k_hw_configpcipowersave(ah, false);
struct ath_common *common = ath9k_hw_common(ah);
bool prev_idle;
+ cancel_work_sync(&sc->chanctx_work);
mutex_lock(&sc->mutex);
ath_cancel_work(sc);
}
if (!ah->curchan)
- ah->curchan = ath9k_cmn_get_channel(hw, ah, &hw->conf.chandef);
+ ah->curchan = ath9k_cmn_get_channel(hw, ah,
+ &sc->cur_chan->chandef);
ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
ath9k_hw_phy_disable(ah);
iter_data->has_hw_macaddr = true;
}
+ if (!vif->bss_conf.use_short_slot)
+ iter_data->slottime = ATH9K_SLOT_TIME_20;
+
switch (vif->type) {
case NL80211_IFTYPE_AP:
iter_data->naps++;
+ if (vif->bss_conf.enable_beacon)
+ iter_data->beacons = true;
break;
case NL80211_IFTYPE_STATION:
iter_data->nstations++;
+ if (vif->bss_conf.assoc && !iter_data->primary_sta)
+ iter_data->primary_sta = vif;
break;
case NL80211_IFTYPE_ADHOC:
iter_data->nadhocs++;
+ if (vif->bss_conf.enable_beacon)
+ iter_data->beacons = true;
break;
case NL80211_IFTYPE_MESH_POINT:
iter_data->nmeshes++;
+ if (vif->bss_conf.enable_beacon)
+ iter_data->beacons = true;
break;
case NL80211_IFTYPE_WDS:
iter_data->nwds++;
}
}
-static void ath9k_sta_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
-{
- struct ath_softc *sc = data;
- struct ath_vif *avp = (void *)vif->drv_priv;
-
- if (vif->type != NL80211_IFTYPE_STATION)
- return;
-
- if (avp->primary_sta_vif)
- ath9k_set_assoc_state(sc, vif);
-}
-
/* Called with sc->mutex held. */
-void ath9k_calculate_iter_data(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
+void ath9k_calculate_iter_data(struct ath_softc *sc,
+ struct ath_chanctx *ctx,
struct ath9k_vif_iter_data *iter_data)
{
- struct ath_softc *sc = hw->priv;
- struct ath_hw *ah = sc->sc_ah;
- struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_vif *avp;
/*
* Pick the MAC address of the first interface as the new hardware
*/
memset(iter_data, 0, sizeof(*iter_data));
memset(&iter_data->mask, 0xff, ETH_ALEN);
+ iter_data->slottime = ATH9K_SLOT_TIME_9;
+
+ list_for_each_entry(avp, &ctx->vifs, list)
+ ath9k_vif_iter(iter_data, avp->vif->addr, avp->vif);
+
+ if (ctx == &sc->offchannel.chan) {
+ struct ieee80211_vif *vif;
+
+ if (sc->offchannel.state < ATH_OFFCHANNEL_ROC_START)
+ vif = sc->offchannel.scan_vif;
+ else
+ vif = sc->offchannel.roc_vif;
+
+ if (vif)
+ ath9k_vif_iter(iter_data, vif->addr, vif);
+ iter_data->beacons = false;
+ }
+}
+
+static void ath9k_set_assoc_state(struct ath_softc *sc,
+ struct ieee80211_vif *vif, bool changed)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+ unsigned long flags;
- if (vif)
- ath9k_vif_iter(iter_data, vif->addr, vif);
+ set_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
+ /* Set the AID, BSSID and do beacon-sync only when
+ * the HW opmode is STATION.
+ *
+ * But the primary bit is set above in any case.
+ */
+ if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
+ return;
+
+ ether_addr_copy(common->curbssid, bss_conf->bssid);
+ common->curaid = bss_conf->aid;
+ ath9k_hw_write_associd(sc->sc_ah);
- /* Get list of all active MAC addresses */
- ieee80211_iterate_active_interfaces_atomic(
- sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
- ath9k_vif_iter, iter_data);
+ if (changed) {
+ common->last_rssi = ATH_RSSI_DUMMY_MARKER;
+ sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
- memcpy(common->macaddr, iter_data->hw_macaddr, ETH_ALEN);
+ spin_lock_irqsave(&sc->sc_pm_lock, flags);
+ sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
+ spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+ }
+
+ if (ath9k_hw_mci_is_enabled(sc->sc_ah))
+ ath9k_mci_update_wlan_channels(sc, false);
+
+ ath_dbg(common, CONFIG,
+ "Primary Station interface: %pM, BSSID: %pM\n",
+ vif->addr, common->curbssid);
}
/* Called with sc->mutex held. */
-static void ath9k_calculate_summary_state(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
+void ath9k_calculate_summary_state(struct ath_softc *sc,
+ struct ath_chanctx *ctx)
{
- struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_vif_iter_data iter_data;
- enum nl80211_iftype old_opmode = ah->opmode;
- ath9k_calculate_iter_data(hw, vif, &iter_data);
+ ath_chanctx_check_active(sc, ctx);
+
+ if (ctx != sc->cur_chan)
+ return;
+
+ ath9k_ps_wakeup(sc);
+ ath9k_calculate_iter_data(sc, ctx, &iter_data);
+
+ if (iter_data.has_hw_macaddr)
+ ether_addr_copy(common->macaddr, iter_data.hw_macaddr);
memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
ath_hw_setbssidmask(common);
ath9k_hw_setopmode(ah);
+ ctx->switch_after_beacon = false;
if ((iter_data.nstations + iter_data.nadhocs + iter_data.nmeshes) > 0)
ah->imask |= ATH9K_INT_TSFOOR;
- else
+ else {
ah->imask &= ~ATH9K_INT_TSFOOR;
+ if (iter_data.naps == 1 && iter_data.beacons)
+ ctx->switch_after_beacon = true;
+ }
+
+ ah->imask &= ~ATH9K_INT_SWBA;
+ if (ah->opmode == NL80211_IFTYPE_STATION) {
+ bool changed = (iter_data.primary_sta != ctx->primary_sta);
+ iter_data.beacons = true;
+ if (iter_data.primary_sta) {
+ ath9k_set_assoc_state(sc, iter_data.primary_sta,
+ changed);
+ if (!ctx->primary_sta ||
+ !ctx->primary_sta->bss_conf.assoc)
+ ctx->primary_sta = iter_data.primary_sta;
+ } else {
+ ctx->primary_sta = NULL;
+ memset(common->curbssid, 0, ETH_ALEN);
+ common->curaid = 0;
+ ath9k_hw_write_associd(sc->sc_ah);
+ if (ath9k_hw_mci_is_enabled(sc->sc_ah))
+ ath9k_mci_update_wlan_channels(sc, true);
+ }
+ } else if (iter_data.beacons) {
+ ah->imask |= ATH9K_INT_SWBA;
+ }
ath9k_hw_set_interrupts(ah);
- /*
- * If we are changing the opmode to STATION,
- * a beacon sync needs to be done.
- */
- if (ah->opmode == NL80211_IFTYPE_STATION &&
- old_opmode == NL80211_IFTYPE_AP &&
- test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags)) {
- ieee80211_iterate_active_interfaces_atomic(
- sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
- ath9k_sta_vif_iter, sc);
+ if (iter_data.beacons)
+ set_bit(ATH_OP_BEACONS, &common->op_flags);
+ else
+ clear_bit(ATH_OP_BEACONS, &common->op_flags);
+
+ if (ah->slottime != iter_data.slottime) {
+ ah->slottime = iter_data.slottime;
+ ath9k_hw_init_global_settings(ah);
}
+
+ if (iter_data.primary_sta)
+ set_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
+ else
+ clear_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
+
+ ctx->primary_sta = iter_data.primary_sta;
+
+ ath9k_ps_restore(sc);
}
static int ath9k_add_interface(struct ieee80211_hw *hw,
struct ath_common *common = ath9k_hw_common(ah);
struct ath_vif *avp = (void *)vif->drv_priv;
struct ath_node *an = &avp->mcast_node;
+ int i;
mutex_lock(&sc->mutex);
ath_dbg(common, CONFIG, "Attach a VIF of type: %d\n", vif->type);
sc->nvifs++;
- ath9k_ps_wakeup(sc);
- ath9k_calculate_summary_state(hw, vif);
- ath9k_ps_restore(sc);
-
if (ath9k_uses_beacons(vif->type))
ath9k_beacon_assign_slot(sc, vif);
avp->vif = vif;
+ if (!ath9k_use_chanctx) {
+ avp->chanctx = sc->cur_chan;
+ list_add_tail(&avp->list, &avp->chanctx->vifs);
+ }
+ for (i = 0; i < IEEE80211_NUM_ACS; i++)
+ vif->hw_queue[i] = i;
+ if (vif->type == NL80211_IFTYPE_AP)
+ vif->cab_queue = hw->queues - 2;
+ else
+ vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
an->sc = sc;
an->sta = NULL;
{
struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ath_vif *avp = (void *)vif->drv_priv;
+ int i;
mutex_lock(&sc->mutex);
vif->type = new_type;
vif->p2p = p2p;
- ath9k_ps_wakeup(sc);
- ath9k_calculate_summary_state(hw, vif);
- ath9k_ps_restore(sc);
-
if (ath9k_uses_beacons(vif->type))
ath9k_beacon_assign_slot(sc, vif);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++)
+ vif->hw_queue[i] = i;
+
+ if (vif->type == NL80211_IFTYPE_AP)
+ vif->cab_queue = hw->queues - 2;
+ else
+ vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
+
+ ath9k_calculate_summary_state(sc, avp->chanctx);
+
mutex_unlock(&sc->mutex);
return 0;
}
sc->nvifs--;
sc->tx99_vif = NULL;
+ if (!ath9k_use_chanctx)
+ list_del(&avp->list);
if (ath9k_uses_beacons(vif->type))
ath9k_beacon_remove_slot(sc, vif);
- ath9k_ps_wakeup(sc);
- ath9k_calculate_summary_state(hw, NULL);
- ath9k_ps_restore(sc);
-
ath_tx_node_cleanup(sc, &avp->mcast_node);
mutex_unlock(&sc->mutex);
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_conf *conf = &hw->conf;
- bool reset_channel = false;
+ struct ath_chanctx *ctx = sc->cur_chan;
ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
* The chip needs a reset to properly wake up from
* full sleep
*/
- reset_channel = ah->chip_fullsleep;
+ ath_chanctx_set_channel(sc, ctx, &ctx->chandef);
}
}
}
}
- if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || reset_channel) {
- if (ath_set_channel(sc, &hw->conf.chandef) < 0) {
- ath_err(common, "Unable to set channel\n");
- mutex_unlock(&sc->mutex);
- ath9k_ps_restore(sc);
- return -EINVAL;
- }
+ if (!ath9k_use_chanctx && (changed & IEEE80211_CONF_CHANGE_CHANNEL)) {
+ ctx->offchannel = !!(conf->flags & IEEE80211_CONF_OFFCHANNEL);
+ ath_chanctx_set_channel(sc, ctx, &hw->conf.chandef);
}
if (changed & IEEE80211_CONF_CHANGE_POWER) {
ath_dbg(common, CONFIG, "Set power: %d\n", conf->power_level);
- sc->config.txpowlimit = 2 * conf->power_level;
+ sc->cur_chan->txpower = 2 * conf->power_level;
ath9k_cmn_update_txpow(ah, sc->curtxpow,
- sc->config.txpowlimit, &sc->curtxpow);
+ sc->cur_chan->txpower, &sc->curtxpow);
}
mutex_unlock(&sc->mutex);
return ret;
}
-static void ath9k_set_assoc_state(struct ath_softc *sc,
- struct ieee80211_vif *vif)
-{
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_vif *avp = (void *)vif->drv_priv;
- struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
- unsigned long flags;
-
- set_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
- avp->primary_sta_vif = true;
-
- /*
- * Set the AID, BSSID and do beacon-sync only when
- * the HW opmode is STATION.
- *
- * But the primary bit is set above in any case.
- */
- if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
- return;
-
- memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
- common->curaid = bss_conf->aid;
- ath9k_hw_write_associd(sc->sc_ah);
-
- common->last_rssi = ATH_RSSI_DUMMY_MARKER;
- sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
-
- spin_lock_irqsave(&sc->sc_pm_lock, flags);
- sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
- spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
-
- if (ath9k_hw_mci_is_enabled(sc->sc_ah))
- ath9k_mci_update_wlan_channels(sc, false);
-
- ath_dbg(common, CONFIG,
- "Primary Station interface: %pM, BSSID: %pM\n",
- vif->addr, common->curbssid);
-}
-
-static void ath9k_bss_assoc_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
-{
- struct ath_softc *sc = data;
- struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-
- if (test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags))
- return;
-
- if (bss_conf->assoc)
- ath9k_set_assoc_state(sc, vif);
-}
-
void ath9k_p2p_ps_timer(void *priv)
{
struct ath_softc *sc = priv;
struct ath_node *an;
u32 tsf;
- if (!avp)
+ del_timer_sync(&sc->sched.timer);
+ ath9k_hw_gen_timer_stop(sc->sc_ah, sc->p2p_ps_timer);
+ ath_chanctx_event(sc, NULL, ATH_CHANCTX_EVENT_TSF_TIMER);
+
+ if (!avp || avp->chanctx != sc->cur_chan)
return;
tsf = ath9k_hw_gettsf32(sc->sc_ah);
ath_dbg(common, CONFIG, "BSSID %pM Changed ASSOC %d\n",
bss_conf->bssid, bss_conf->assoc);
- if (avp->primary_sta_vif && !bss_conf->assoc) {
- clear_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags);
- avp->primary_sta_vif = false;
-
- if (ah->opmode == NL80211_IFTYPE_STATION)
- clear_bit(ATH_OP_BEACONS, &common->op_flags);
- }
-
- ieee80211_iterate_active_interfaces_atomic(
- sc->hw, IEEE80211_IFACE_ITER_RESUME_ALL,
- ath9k_bss_assoc_iter, sc);
-
- if (!test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags) &&
- ah->opmode == NL80211_IFTYPE_STATION) {
- memset(common->curbssid, 0, ETH_ALEN);
- common->curaid = 0;
- ath9k_hw_write_associd(sc->sc_ah);
- if (ath9k_hw_mci_is_enabled(sc->sc_ah))
- ath9k_mci_update_wlan_channels(sc, true);
- }
+ ath9k_calculate_summary_state(sc, avp->chanctx);
+ if (bss_conf->assoc)
+ ath_chanctx_event(sc, vif, ATH_CHANCTX_EVENT_ASSOC);
}
if (changed & BSS_CHANGED_IBSS) {
}
if ((changed & BSS_CHANGED_BEACON_ENABLED) ||
- (changed & BSS_CHANGED_BEACON_INT))
+ (changed & BSS_CHANGED_BEACON_INT)) {
+ if (changed & BSS_CHANGED_BEACON_ENABLED)
+ ath9k_calculate_summary_state(sc, avp->chanctx);
ath9k_beacon_config(sc, vif, changed);
+ }
- if (changed & BSS_CHANGED_ERP_SLOT) {
+ if ((avp->chanctx == sc->cur_chan) &&
+ (changed & BSS_CHANGED_ERP_SLOT)) {
if (bss_conf->use_short_slot)
slottime = 9;
else
static void ath9k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop)
+{
+ struct ath_softc *sc = hw->priv;
+
+ mutex_lock(&sc->mutex);
+ __ath9k_flush(hw, queues, drop);
+ mutex_unlock(&sc->mutex);
+}
+
+void __ath9k_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
{
struct ath_softc *sc = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
int timeout = HZ / 5; /* 200 ms */
bool drain_txq;
+ int i;
- mutex_lock(&sc->mutex);
cancel_delayed_work_sync(&sc->tx_complete_work);
if (ah->ah_flags & AH_UNPLUGGED) {
ath_dbg(common, ANY, "Device has been unplugged!\n");
- mutex_unlock(&sc->mutex);
return;
}
if (test_bit(ATH_OP_INVALID, &common->op_flags)) {
ath_dbg(common, ANY, "Device not present\n");
- mutex_unlock(&sc->mutex);
return;
}
ath_reset(sc);
ath9k_ps_restore(sc);
- ieee80211_wake_queues(hw);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ ieee80211_wake_queue(sc->hw,
+ sc->cur_chan->hw_queue_base + i);
+ }
}
ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0);
- mutex_unlock(&sc->mutex);
}
static bool ath9k_tx_frames_pending(struct ieee80211_hw *hw)
clear_bit(ATH_OP_SCANNING, &common->op_flags);
}
- struct cfg80211_scan_request *req)
+static int ath_scan_channel_duration(struct ath_softc *sc,
+ struct ieee80211_channel *chan)
+{
+ struct cfg80211_scan_request *req = sc->offchannel.scan_req;
+
+ if (!req->n_ssids || (chan->flags & IEEE80211_CHAN_NO_IR))
+ return (HZ / 9); /* ~110 ms */
+
+ return (HZ / 16); /* ~60 ms */
+}
+
+static void
+ath_scan_next_channel(struct ath_softc *sc)
+{
+ struct cfg80211_scan_request *req = sc->offchannel.scan_req;
+ struct ieee80211_channel *chan;
+
+ if (sc->offchannel.scan_idx >= req->n_channels) {
+ sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
+ ath_chanctx_switch(sc, ath_chanctx_get_oper_chan(sc, false),
+ NULL);
+ return;
+ }
+
+ chan = req->channels[sc->offchannel.scan_idx++];
+ sc->offchannel.duration = ath_scan_channel_duration(sc, chan);
+ sc->offchannel.state = ATH_OFFCHANNEL_PROBE_SEND;
+ ath_chanctx_offchan_switch(sc, chan);
+}
+
+static void ath_offchannel_next(struct ath_softc *sc)
+{
+ struct ieee80211_vif *vif;
+
+ if (sc->offchannel.scan_req) {
+ vif = sc->offchannel.scan_vif;
+ sc->offchannel.chan.txpower = vif->bss_conf.txpower;
+ ath_scan_next_channel(sc);
+ } else if (sc->offchannel.roc_vif) {
+ vif = sc->offchannel.roc_vif;
+ sc->offchannel.chan.txpower = vif->bss_conf.txpower;
+ sc->offchannel.duration = sc->offchannel.roc_duration;
+ sc->offchannel.state = ATH_OFFCHANNEL_ROC_START;
+ ath_chanctx_offchan_switch(sc, sc->offchannel.roc_chan);
+ } else {
+ ath_chanctx_switch(sc, ath_chanctx_get_oper_chan(sc, false),
+ NULL);
+ sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
+ if (sc->ps_idle)
+ ath_cancel_work(sc);
+ }
+}
+
+static void ath_roc_complete(struct ath_softc *sc, bool abort)
+{
+ sc->offchannel.roc_vif = NULL;
+ sc->offchannel.roc_chan = NULL;
+ if (!abort)
+ ieee80211_remain_on_channel_expired(sc->hw);
+ ath_offchannel_next(sc);
+ ath9k_ps_restore(sc);
+}
+
+static void ath_scan_complete(struct ath_softc *sc, bool abort)
+{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+
+ sc->offchannel.scan_req = NULL;
+ sc->offchannel.scan_vif = NULL;
+ sc->offchannel.state = ATH_OFFCHANNEL_IDLE;
+ ieee80211_scan_completed(sc->hw, abort);
+ clear_bit(ATH_OP_SCANNING, &common->op_flags);
+ ath_offchannel_next(sc);
+ ath9k_ps_restore(sc);
+}
+
+static void ath_scan_send_probe(struct ath_softc *sc,
+ struct cfg80211_ssid *ssid)
+{
+ struct cfg80211_scan_request *req = sc->offchannel.scan_req;
+ struct ieee80211_vif *vif = sc->offchannel.scan_vif;
+ struct ath_tx_control txctl = {};
+ struct sk_buff *skb;
+ struct ieee80211_tx_info *info;
+ int band = sc->offchannel.chan.chandef.chan->band;
+
+ skb = ieee80211_probereq_get(sc->hw, vif,
+ ssid->ssid, ssid->ssid_len, req->ie_len);
+ if (!skb)
+ return;
+
+ info = IEEE80211_SKB_CB(skb);
+ if (req->no_cck)
+ info->flags |= IEEE80211_TX_CTL_NO_CCK_RATE;
+
+ if (req->ie_len)
+ memcpy(skb_put(skb, req->ie_len), req->ie, req->ie_len);
+
+ skb_set_queue_mapping(skb, IEEE80211_AC_VO);
+
+ if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, NULL))
+ goto error;
+
+ txctl.txq = sc->tx.txq_map[IEEE80211_AC_VO];
+ txctl.force_channel = true;
+ if (ath_tx_start(sc->hw, skb, &txctl))
+ goto error;
+
+ return;
+
+error:
+ ieee80211_free_txskb(sc->hw, skb);
+}
+
+static void ath_scan_channel_start(struct ath_softc *sc)
+{
+ struct cfg80211_scan_request *req = sc->offchannel.scan_req;
+ int i;
+
+ if (!(sc->cur_chan->chandef.chan->flags & IEEE80211_CHAN_NO_IR) &&
+ req->n_ssids) {
+ for (i = 0; i < req->n_ssids; i++)
+ ath_scan_send_probe(sc, &req->ssids[i]);
+
+ }
+
+ sc->offchannel.state = ATH_OFFCHANNEL_PROBE_WAIT;
+ mod_timer(&sc->offchannel.timer, jiffies + sc->offchannel.duration);
+}
+
+void ath_offchannel_channel_change(struct ath_softc *sc)
+{
+ switch (sc->offchannel.state) {
+ case ATH_OFFCHANNEL_PROBE_SEND:
+ if (!sc->offchannel.scan_req)
+ return;
+
+ if (sc->cur_chan->chandef.chan !=
+ sc->offchannel.chan.chandef.chan)
+ return;
+
+ ath_scan_channel_start(sc);
+ break;
+ case ATH_OFFCHANNEL_IDLE:
+ if (!sc->offchannel.scan_req)
+ return;
+
+ ath_scan_complete(sc, false);
+ break;
+ case ATH_OFFCHANNEL_ROC_START:
+ if (sc->cur_chan != &sc->offchannel.chan)
+ break;
+
+ sc->offchannel.state = ATH_OFFCHANNEL_ROC_WAIT;
+ mod_timer(&sc->offchannel.timer, jiffies +
+ msecs_to_jiffies(sc->offchannel.duration));
+ ieee80211_ready_on_channel(sc->hw);
+ break;
+ case ATH_OFFCHANNEL_ROC_DONE:
+ ath_roc_complete(sc, false);
+ break;
+ default:
+ break;
+ }
+}
+
+void ath_offchannel_timer(unsigned long data)
+{
+ struct ath_softc *sc = (struct ath_softc *)data;
+ struct ath_chanctx *ctx;
+
+ switch (sc->offchannel.state) {
+ case ATH_OFFCHANNEL_PROBE_WAIT:
+ if (!sc->offchannel.scan_req)
+ return;
+
+ /* get first active channel context */
+ ctx = ath_chanctx_get_oper_chan(sc, true);
+ if (ctx->active) {
+ sc->offchannel.state = ATH_OFFCHANNEL_SUSPEND;
+ ath_chanctx_switch(sc, ctx, NULL);
+ mod_timer(&sc->offchannel.timer, jiffies + HZ / 10);
+ break;
+ }
+ /* fall through */
+ case ATH_OFFCHANNEL_SUSPEND:
+ if (!sc->offchannel.scan_req)
+ return;
+
+ ath_scan_next_channel(sc);
+ break;
+ case ATH_OFFCHANNEL_ROC_START:
+ case ATH_OFFCHANNEL_ROC_WAIT:
+ ctx = ath_chanctx_get_oper_chan(sc, false);
+ sc->offchannel.state = ATH_OFFCHANNEL_ROC_DONE;
+ ath_chanctx_switch(sc, ctx, NULL);
+ break;
+ default:
+ break;
+ }
+}
+
+static int ath9k_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
++ struct ieee80211_scan_request *hw_req)
+{
++ struct cfg80211_scan_request *req = &hw_req->req;
+ struct ath_softc *sc = hw->priv;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ int ret = 0;
+
+ mutex_lock(&sc->mutex);
+
+ if (WARN_ON(sc->offchannel.scan_req)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ ath9k_ps_wakeup(sc);
+ set_bit(ATH_OP_SCANNING, &common->op_flags);
+ sc->offchannel.scan_vif = vif;
+ sc->offchannel.scan_req = req;
+ sc->offchannel.scan_idx = 0;
+
+ if (sc->offchannel.state == ATH_OFFCHANNEL_IDLE)
+ ath_offchannel_next(sc);
+
+out:
+ mutex_unlock(&sc->mutex);
+
+ return ret;
+}
+
+static void ath9k_cancel_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct ath_softc *sc = hw->priv;
+
+ mutex_lock(&sc->mutex);
+ del_timer_sync(&sc->offchannel.timer);
+ ath_scan_complete(sc, true);
+ mutex_unlock(&sc->mutex);
+}
+
+static int ath9k_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_channel *chan, int duration,
+ enum ieee80211_roc_type type)
+{
+ struct ath_softc *sc = hw->priv;
+ int ret = 0;
+
+ mutex_lock(&sc->mutex);
+
+ if (WARN_ON(sc->offchannel.roc_vif)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ ath9k_ps_wakeup(sc);
+ sc->offchannel.roc_vif = vif;
+ sc->offchannel.roc_chan = chan;
+ sc->offchannel.roc_duration = duration;
+
+ if (sc->offchannel.state == ATH_OFFCHANNEL_IDLE)
+ ath_offchannel_next(sc);
+
+out:
+ mutex_unlock(&sc->mutex);
+
+ return ret;
+}
+
+static int ath9k_cancel_remain_on_channel(struct ieee80211_hw *hw)
+{
+ struct ath_softc *sc = hw->priv;
+
+ mutex_lock(&sc->mutex);
+
+ del_timer_sync(&sc->offchannel.timer);
+
+ if (sc->offchannel.roc_vif) {
+ if (sc->offchannel.state >= ATH_OFFCHANNEL_ROC_START)
+ ath_roc_complete(sc, true);
+ }
+
+ mutex_unlock(&sc->mutex);
+
+ return 0;
+}
+
+static int ath9k_add_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_chanctx *ctx, **ptr;
+ int pos;
+
+ mutex_lock(&sc->mutex);
+
+ ath_for_each_chanctx(sc, ctx) {
+ if (ctx->assigned)
+ continue;
+
+ ptr = (void *) conf->drv_priv;
+ *ptr = ctx;
+ ctx->assigned = true;
+ pos = ctx - &sc->chanctx[0];
+ ctx->hw_queue_base = pos * IEEE80211_NUM_ACS;
+ ath_chanctx_set_channel(sc, ctx, &conf->def);
+ mutex_unlock(&sc->mutex);
+ return 0;
+ }
+ mutex_unlock(&sc->mutex);
+ return -ENOSPC;
+}
+
+
+static void ath9k_remove_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_chanctx *ctx = ath_chanctx_get(conf);
+
+ mutex_lock(&sc->mutex);
+ ctx->assigned = false;
+ ctx->hw_queue_base = -1;
+ ath_chanctx_event(sc, NULL, ATH_CHANCTX_EVENT_UNASSIGN);
+ mutex_unlock(&sc->mutex);
+}
+
+static void ath9k_change_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_chanctx_conf *conf,
+ u32 changed)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_chanctx *ctx = ath_chanctx_get(conf);
+
+ mutex_lock(&sc->mutex);
+ ath_chanctx_set_channel(sc, ctx, &conf->def);
+ mutex_unlock(&sc->mutex);
+}
+
+static int ath9k_assign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *conf)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_vif *avp = (void *)vif->drv_priv;
+ struct ath_chanctx *ctx = ath_chanctx_get(conf);
+ int i;
+
+ mutex_lock(&sc->mutex);
+ avp->chanctx = ctx;
+ list_add_tail(&avp->list, &ctx->vifs);
+ ath9k_calculate_summary_state(sc, ctx);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++)
+ vif->hw_queue[i] = ctx->hw_queue_base + i;
+ mutex_unlock(&sc->mutex);
+
+ return 0;
+}
+
+static void ath9k_unassign_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_chanctx_conf *conf)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_vif *avp = (void *)vif->drv_priv;
+ struct ath_chanctx *ctx = ath_chanctx_get(conf);
+ int ac;
+
+ mutex_lock(&sc->mutex);
+ avp->chanctx = NULL;
+ list_del(&avp->list);
+ ath9k_calculate_summary_state(sc, ctx);
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+ vif->hw_queue[ac] = IEEE80211_INVAL_HW_QUEUE;
+ mutex_unlock(&sc->mutex);
+}
+
+void ath9k_fill_chanctx_ops(void)
+{
+ if (!ath9k_use_chanctx)
+ return;
+
+ ath9k_ops.hw_scan = ath9k_hw_scan;
+ ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan;
+ ath9k_ops.remain_on_channel = ath9k_remain_on_channel;
+ ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel;
+ ath9k_ops.add_chanctx = ath9k_add_chanctx;
+ ath9k_ops.remove_chanctx = ath9k_remove_chanctx;
+ ath9k_ops.change_chanctx = ath9k_change_chanctx;
+ ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx;
+ ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx;
+ ath9k_ops.mgd_prepare_tx = ath9k_chanctx_force_active;
+}
+
struct ieee80211_ops ath9k_ops = {
.tx = ath9k_tx,
.start = ath9k_start,
git.openpandora.org / pandora-kernel.git / commitdiff