/*
* This function will modify certain transmit queue properties depending on
* the operating mode of the station (AP or AdHoc). Parameters are AIFS
* settings and channel width min/max
*/
int ath_beaconq_config(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_tx_queue_info qi, qi_be;
struct ath_txq *txq;
ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi);
if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
/* Always burst out beacon and CAB traffic. */
qi.tqi_aifs = 1;
qi.tqi_cwmin = 0;
qi.tqi_cwmax = 0;
} else {
/* Adhoc mode; important thing is to use 2x cwmin. */
txq = sc->tx.txq_map[WME_AC_BE];
ath9k_hw_get_txq_props(ah, txq->axq_qnum, &qi_be);
qi.tqi_aifs = qi_be.tqi_aifs;
qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
qi.tqi_cwmax = qi_be.tqi_cwmax;
}
if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) {
ath_err(common,
"Unable to update h/w beacon queue parameters\n");
return 0;
} else {
ath9k_hw_resettxqueue(ah, sc->beacon.beaconq);
return 1;
}
}
int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
struct ath9k_tx_queue_info *qinfo)
{
struct ath_hw *ah = priv->ah;
int error = 0;
struct ath9k_tx_queue_info qi;
ath9k_hw_get_txq_props(ah, qnum, &qi);
qi.tqi_aifs = qinfo->tqi_aifs;
qi.tqi_cwmin = qinfo->tqi_cwmin / 2; /* XXX */
qi.tqi_cwmax = qinfo->tqi_cwmax;
qi.tqi_burstTime = qinfo->tqi_burstTime;
qi.tqi_readyTime = qinfo->tqi_readyTime;
if (!ath9k_hw_set_txq_props(ah, qnum, &qi)) {
ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
"Unable to update hardware queue %u!\n", qnum);
error = -EIO;
} else {
ath9k_hw_resettxqueue(ah, qnum);
}
return error;
}
/* Currently, only for IBSS */
void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv)
{
struct ath_hw *ah = priv->ah;
struct ath9k_tx_queue_info qi, qi_be;
int qnum = priv->hwq_map[WME_AC_BE];
memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
memset(&qi_be, 0, sizeof(struct ath9k_tx_queue_info));
ath9k_hw_get_txq_props(ah, qnum, &qi_be);
qi.tqi_aifs = qi_be.tqi_aifs;
/* For WIFI Beacon Distribution
* Long slot time : 2x cwmin
* Short slot time : 4x cwmin
*/
if (ah->slottime == ATH9K_SLOT_TIME_20)
qi.tqi_cwmin = 2*qi_be.tqi_cwmin;
else
qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
qi.tqi_cwmax = qi_be.tqi_cwmax;
if (!ath9k_hw_set_txq_props(ah, priv->beaconq, &qi)) {
ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
"Unable to update beacon queue %u!\n", qnum);
} else {
ath9k_hw_resettxqueue(ah, priv->beaconq);
}
}
/*
* Configure parameters for the beacon queue
*
* This function will modify certain transmit queue properties depending on
* the operating mode of the station (AP or AdHoc). Parameters are AIFS
* settings and channel width min/max
*/
static int ath_beaconq_config(struct ath_softc *sc)
{
struct ath_hal *ah = sc->sc_ah;
struct ath9k_tx_queue_info qi;
ath9k_hw_get_txq_props(ah, sc->sc_bhalq, &qi);
if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) {
/* Always burst out beacon and CAB traffic. */
qi.tqi_aifs = 1;
qi.tqi_cwmin = 0;
qi.tqi_cwmax = 0;
} else {
/* Adhoc mode; important thing is to use 2x cwmin. */
qi.tqi_aifs = sc->sc_beacon_qi.tqi_aifs;
qi.tqi_cwmin = 2*sc->sc_beacon_qi.tqi_cwmin;
qi.tqi_cwmax = sc->sc_beacon_qi.tqi_cwmax;
}
if (!ath9k_hw_set_txq_props(ah, sc->sc_bhalq, &qi)) {
DPRINTF(sc, ATH_DBG_FATAL,
"%s: unable to update h/w beacon queue parameters\n",
__func__);
return 0;
} else {
ath9k_hw_resettxqueue(ah, sc->sc_bhalq); /* push to h/w */
return 1;
}
}
int ath_beaconq_config(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_tx_queue_info qi, qi_be;
int qnum;
ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi);
if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
/* Always burst out beacon and CAB traffic. */
qi.tqi_aifs = 1;
qi.tqi_cwmin = 0;
qi.tqi_cwmax = 0;
} else {
/* Adhoc mode; important thing is to use 2x cwmin. */
qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA,
ATH9K_WME_AC_BE);
ath9k_hw_get_txq_props(ah, qnum, &qi_be);
qi.tqi_aifs = qi_be.tqi_aifs;
qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
qi.tqi_cwmax = qi_be.tqi_cwmax;
}
if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to update h/w beacon queue parameters\n");
return 0;
} else {
ath9k_hw_resettxqueue(ah, sc->beacon.beaconq);
return 1;
}
}
int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
const struct ath9k_tx_queue_info *qinfo)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_tx_queue_info *qi;
int q;
switch (type) {
case ATH9K_TX_QUEUE_BEACON:
q = ATH9K_NUM_TX_QUEUES - 1;
break;
case ATH9K_TX_QUEUE_CAB:
q = ATH9K_NUM_TX_QUEUES - 2;
break;
case ATH9K_TX_QUEUE_PSPOLL:
q = 1;
break;
case ATH9K_TX_QUEUE_UAPSD:
q = ATH9K_NUM_TX_QUEUES - 3;
break;
case ATH9K_TX_QUEUE_DATA:
for (q = 0; q < ATH9K_NUM_TX_QUEUES; q++)
if (ah->txq[q].tqi_type ==
ATH9K_TX_QUEUE_INACTIVE)
break;
if (q == ATH9K_NUM_TX_QUEUES) {
ath_err(common, "No available TX queue\n");
return -1;
}
break;
default:
ath_err(common, "Invalid TX queue type: %u\n", type);
return -1;
}
ath_dbg(common, QUEUE, "Setup TX queue: %u\n", q);
qi = &ah->txq[q];
if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
ath_err(common, "TX queue: %u already active\n", q);
return -1;
}
memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
qi->tqi_type = type;
qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
(void) ath9k_hw_set_txq_props(ah, q, qinfo);
return q;
}
void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv)
{
struct ath_hw *ah = priv->ah;
struct ath9k_tx_queue_info qi, qi_be;
memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
memset(&qi_be, 0, sizeof(struct ath9k_tx_queue_info));
ath9k_hw_get_txq_props(ah, priv->beaconq, &qi);
if (priv->ah->opmode == NL80211_IFTYPE_AP) {
qi.tqi_aifs = 1;
qi.tqi_cwmin = 0;
qi.tqi_cwmax = 0;
} else if (priv->ah->opmode == NL80211_IFTYPE_ADHOC) {
int qnum = priv->hwq_map[WME_AC_BE];
ath9k_hw_get_txq_props(ah, qnum, &qi_be);
qi.tqi_aifs = qi_be.tqi_aifs;
/*
* For WIFI Beacon Distribution
* Long slot time : 2x cwmin
* Short slot time : 4x cwmin
*/
if (ah->slottime == ATH9K_SLOT_TIME_20)
qi.tqi_cwmin = 2*qi_be.tqi_cwmin;
else
qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
qi.tqi_cwmax = qi_be.tqi_cwmax;
}
if (!ath9k_hw_set_txq_props(ah, priv->beaconq, &qi)) {
ath_err(ath9k_hw_common(ah),
"Unable to update beacon queue %u!\n", priv->beaconq);
} else {
ath9k_hw_resettxqueue(ah, priv->beaconq);
}
}
int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
const struct ath9k_tx_queue_info *qinfo)
{
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_tx_queue_info *qi;
int q;
switch (type) {
case ATH9K_TX_QUEUE_BEACON:
q = ATH9K_NUM_TX_QUEUES - 1;
break;
case ATH9K_TX_QUEUE_CAB:
q = ATH9K_NUM_TX_QUEUES - 2;
break;
case ATH9K_TX_QUEUE_PSPOLL:
q = 1;
break;
case ATH9K_TX_QUEUE_UAPSD:
q = ATH9K_NUM_TX_QUEUES - 3;
break;
case ATH9K_TX_QUEUE_DATA:
for (q = 0; q < ATH9K_NUM_TX_QUEUES; q++)
if (ah->txq[q].tqi_type ==
ATH9K_TX_QUEUE_INACTIVE)
break;
if (q == ATH9K_NUM_TX_QUEUES) {
ath_err(common, "No available TX queue\n");
return -1;
}
break;
default:
ath_err(common, "Invalid TX queue type: %u\n", type);
return -1;
}
ath_dbg(common, ATH_DBG_QUEUE, "Setup TX queue: %u\n", q);
qi = &ah->txq[q];
if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
ath_err(common, "TX queue: %u already active\n", q);
return -1;
}
memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
qi->tqi_type = type;
if (qinfo == NULL) {
qi->tqi_qflags =
TXQ_FLAG_TXOKINT_ENABLE
| TXQ_FLAG_TXERRINT_ENABLE
| TXQ_FLAG_TXDESCINT_ENABLE | TXQ_FLAG_TXURNINT_ENABLE;
qi->tqi_aifs = INIT_AIFS;
qi->tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
qi->tqi_cwmax = INIT_CWMAX;
qi->tqi_shretry = INIT_SH_RETRY;
qi->tqi_lgretry = INIT_LG_RETRY;
qi->tqi_physCompBuf = 0;
} else {
qi->tqi_physCompBuf = qinfo->tqi_physCompBuf;
(void) ath9k_hw_set_txq_props(ah, q, qinfo);
}
return q;
}