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path: root/drivers/net/wireless/ath/ath9k/beacon.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/beacon.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c112
1 files changed, 62 insertions, 50 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 45c4ea57616b..b10c884f2933 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -26,6 +26,7 @@
static 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;
ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi);
@@ -42,8 +43,8 @@ static int ath_beaconq_config(struct ath_softc *sc)
}
if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to update h/w beacon queue parameters\n");
+ 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);
@@ -61,6 +62,7 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
{
struct sk_buff *skb = bf->bf_mpdu;
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath_desc *ds;
struct ath9k_11n_rate_series series[4];
const struct ath_rate_table *rt;
@@ -108,7 +110,7 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
series[0].Tries = 1;
series[0].Rate = rate;
- series[0].ChSel = sc->tx_chainmask;
+ series[0].ChSel = common->tx_chainmask;
series[0].RateFlags = (ctsrate) ? ATH9K_RATESERIES_RTS_CTS : 0;
ath9k_hw_set11n_ratescenario(ah, ds, ds, 0, ctsrate, ctsduration,
series, 4, 0);
@@ -119,6 +121,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_buf *bf;
struct ath_vif *avp;
struct sk_buff *skb;
@@ -172,7 +175,8 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
- DPRINTF(sc, ATH_DBG_FATAL, "dma_mapping_error on beaconing\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "dma_mapping_error on beaconing\n");
return NULL;
}
@@ -192,8 +196,8 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
if (skb && cabq_depth) {
if (sc->nvifs > 1) {
- DPRINTF(sc, ATH_DBG_BEACON,
- "Flushing previous cabq traffic\n");
+ ath_print(common, ATH_DBG_BEACON,
+ "Flushing previous cabq traffic\n");
ath_draintxq(sc, cabq, false);
}
}
@@ -216,6 +220,7 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc,
struct ieee80211_vif *vif)
{
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath_buf *bf;
struct ath_vif *avp;
struct sk_buff *skb;
@@ -233,25 +238,14 @@ static void ath_beacon_start_adhoc(struct ath_softc *sc,
/* NB: caller is known to have already stopped tx dma */
ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bf->bf_daddr);
ath9k_hw_txstart(ah, sc->beacon.beaconq);
- DPRINTF(sc, ATH_DBG_BEACON, "TXDP%u = %llx (%p)\n",
- sc->beacon.beaconq, ito64(bf->bf_daddr), bf->bf_desc);
-}
-
-int ath_beaconq_setup(struct ath_hw *ah)
-{
- struct ath9k_tx_queue_info qi;
-
- memset(&qi, 0, sizeof(qi));
- qi.tqi_aifs = 1;
- qi.tqi_cwmin = 0;
- qi.tqi_cwmax = 0;
- /* NB: don't enable any interrupts */
- return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
+ ath_print(common, ATH_DBG_BEACON, "TXDP%u = %llx (%p)\n",
+ sc->beacon.beaconq, ito64(bf->bf_daddr), bf->bf_desc);
}
int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
{
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_vif *avp;
struct ath_buf *bf;
struct sk_buff *skb;
@@ -309,7 +303,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
/* NB: the beacon data buffer must be 32-bit aligned. */
skb = ieee80211_beacon_get(sc->hw, vif);
if (skb == NULL) {
- DPRINTF(sc, ATH_DBG_BEACON, "cannot get skb\n");
+ ath_print(common, ATH_DBG_BEACON, "cannot get skb\n");
return -ENOMEM;
}
@@ -333,9 +327,10 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
tsfadjust = intval * avp->av_bslot / ATH_BCBUF;
avp->tsf_adjust = cpu_to_le64(TU_TO_USEC(tsfadjust));
- DPRINTF(sc, ATH_DBG_BEACON,
- "stagger beacons, bslot %d intval %u tsfadjust %llu\n",
- avp->av_bslot, intval, (unsigned long long)tsfadjust);
+ ath_print(common, ATH_DBG_BEACON,
+ "stagger beacons, bslot %d intval "
+ "%u tsfadjust %llu\n",
+ avp->av_bslot, intval, (unsigned long long)tsfadjust);
((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp =
avp->tsf_adjust;
@@ -349,8 +344,8 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
- DPRINTF(sc, ATH_DBG_FATAL,
- "dma_mapping_error on beacon alloc\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "dma_mapping_error on beacon alloc\n");
return -ENOMEM;
}
@@ -386,6 +381,7 @@ void ath_beacon_tasklet(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath_buf *bf = NULL;
struct ieee80211_vif *vif;
struct ath_wiphy *aphy;
@@ -405,12 +401,12 @@ void ath_beacon_tasklet(unsigned long data)
sc->beacon.bmisscnt++;
if (sc->beacon.bmisscnt < BSTUCK_THRESH) {
- DPRINTF(sc, ATH_DBG_BEACON,
- "missed %u consecutive beacons\n",
- sc->beacon.bmisscnt);
+ ath_print(common, ATH_DBG_BEACON,
+ "missed %u consecutive beacons\n",
+ sc->beacon.bmisscnt);
} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
- DPRINTF(sc, ATH_DBG_BEACON,
- "beacon is officially stuck\n");
+ ath_print(common, ATH_DBG_BEACON,
+ "beacon is officially stuck\n");
sc->sc_flags |= SC_OP_TSF_RESET;
ath_reset(sc, false);
}
@@ -419,9 +415,9 @@ void ath_beacon_tasklet(unsigned long data)
}
if (sc->beacon.bmisscnt != 0) {
- DPRINTF(sc, ATH_DBG_BEACON,
- "resume beacon xmit after %u misses\n",
- sc->beacon.bmisscnt);
+ ath_print(common, ATH_DBG_BEACON,
+ "resume beacon xmit after %u misses\n",
+ sc->beacon.bmisscnt);
sc->beacon.bmisscnt = 0;
}
@@ -447,9 +443,9 @@ void ath_beacon_tasklet(unsigned long data)
vif = sc->beacon.bslot[slot];
aphy = sc->beacon.bslot_aphy[slot];
- DPRINTF(sc, ATH_DBG_BEACON,
- "slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
- slot, tsf, tsftu, intval, vif);
+ ath_print(common, ATH_DBG_BEACON,
+ "slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
+ slot, tsf, tsftu, intval, vif);
bfaddr = 0;
if (vif) {
@@ -490,7 +486,7 @@ void ath_beacon_tasklet(unsigned long data)
* are still pending on the queue.
*/
if (!ath9k_hw_stoptxdma(ah, sc->beacon.beaconq)) {
- DPRINTF(sc, ATH_DBG_FATAL,
+ ath_print(common, ATH_DBG_FATAL,
"beacon queue %u did not stop?\n", sc->beacon.beaconq);
}
@@ -502,6 +498,19 @@ void ath_beacon_tasklet(unsigned long data)
}
}
+static void ath9k_beacon_init(struct ath_softc *sc,
+ u32 next_beacon,
+ u32 beacon_period)
+{
+ if (beacon_period & ATH9K_BEACON_RESET_TSF)
+ ath9k_ps_wakeup(sc);
+
+ ath9k_hw_beaconinit(sc->sc_ah, next_beacon, beacon_period);
+
+ if (beacon_period & ATH9K_BEACON_RESET_TSF)
+ ath9k_ps_restore(sc);
+}
+
/*
* For multi-bss ap support beacons are either staggered evenly over N slots or
* burst together. For the former arrange for the SWBA to be delivered for each
@@ -534,7 +543,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
/* Set the computed AP beacon timers */
ath9k_hw_set_interrupts(sc->sc_ah, 0);
- ath9k_hw_beaconinit(sc->sc_ah, nexttbtt, intval);
+ ath9k_beacon_init(sc, nexttbtt, intval);
sc->beacon.bmisscnt = 0;
ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
@@ -555,6 +564,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
static void ath_beacon_config_sta(struct ath_softc *sc,
struct ath_beacon_config *conf)
{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath9k_beacon_state bs;
int dtimperiod, dtimcount, sleepduration;
int cfpperiod, cfpcount;
@@ -651,11 +661,11 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
/* TSF out of range threshold fixed at 1 second */
bs.bs_tsfoor_threshold = ATH9K_TSFOOR_THRESHOLD;
- DPRINTF(sc, ATH_DBG_BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu);
- DPRINTF(sc, ATH_DBG_BEACON,
- "bmiss: %u sleep: %u cfp-period: %u maxdur: %u next: %u\n",
- bs.bs_bmissthreshold, bs.bs_sleepduration,
- bs.bs_cfpperiod, bs.bs_cfpmaxduration, bs.bs_cfpnext);
+ ath_print(common, ATH_DBG_BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu);
+ ath_print(common, ATH_DBG_BEACON,
+ "bmiss: %u sleep: %u cfp-period: %u maxdur: %u next: %u\n",
+ bs.bs_bmissthreshold, bs.bs_sleepduration,
+ bs.bs_cfpperiod, bs.bs_cfpmaxduration, bs.bs_cfpnext);
/* Set the computed STA beacon timers */
@@ -669,6 +679,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
struct ath_beacon_config *conf,
struct ieee80211_vif *vif)
{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
u64 tsf;
u32 tsftu, intval, nexttbtt;
@@ -689,9 +700,9 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
nexttbtt += intval;
} while (nexttbtt < tsftu);
- DPRINTF(sc, ATH_DBG_BEACON,
- "IBSS nexttbtt %u intval %u (%u)\n",
- nexttbtt, intval, conf->beacon_interval);
+ ath_print(common, ATH_DBG_BEACON,
+ "IBSS nexttbtt %u intval %u (%u)\n",
+ nexttbtt, intval, conf->beacon_interval);
/*
* In IBSS mode enable the beacon timers but only enable SWBA interrupts
@@ -707,7 +718,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
/* Set the computed ADHOC beacon timers */
ath9k_hw_set_interrupts(sc->sc_ah, 0);
- ath9k_hw_beaconinit(sc->sc_ah, nexttbtt, intval);
+ ath9k_beacon_init(sc, nexttbtt, intval);
sc->beacon.bmisscnt = 0;
ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
@@ -719,6 +730,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
{
struct ath_beacon_config *cur_conf = &sc->cur_beacon_conf;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
enum nl80211_iftype iftype;
/* Setup the beacon configuration parameters */
@@ -759,8 +771,8 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
ath_beacon_config_sta(sc, cur_conf);
break;
default:
- DPRINTF(sc, ATH_DBG_CONFIG,
- "Unsupported beaconing mode\n");
+ ath_print(common, ATH_DBG_CONFIG,
+ "Unsupported beaconing mode\n");
return;
}