* 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)
+int ath_beaconq_config(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
- struct ath9k_tx_queue_info qi;
+ 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) {
qi.tqi_cwmax = 0;
} else {
/* Adhoc mode; important thing is to use 2x cwmin. */
- qi.tqi_aifs = sc->beacon.beacon_qi.tqi_aifs;
- qi.tqi_cwmin = 2*sc->beacon.beacon_qi.tqi_cwmin;
- qi.tqi_cwmax = sc->beacon.beacon_qi.tqi_cwmax;
+ 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)) {
- DPRINTF(ah, 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);
* Beacons are always sent out at the lowest rate, and are not retried.
*/
static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
- struct ath_buf *bf)
+ struct ath_buf *bf, int rateidx)
{
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;
int flags, antenna, ctsrate = 0, ctsduration = 0;
- u8 rate;
+ struct ieee80211_supported_band *sband;
+ u8 rate = 0;
ds = bf->bf_desc;
flags = ATH9K_TXDESC_NOACK;
antenna = ((sc->beacon.ast_be_xmit / sc->nbcnvifs) & 1 ? 2 : 1);
}
- ds->ds_data = bf->bf_buf_addr;
-
- rt = sc->cur_rate_table;
- rate = rt->info[0].ratecode;
+ sband = &sc->sbands[common->hw->conf.channel->band];
+ rate = sband->bitrates[rateidx].hw_value;
if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
- rate |= rt->info[0].short_preamble;
+ rate |= sband->bitrates[rateidx].hw_value_short;
ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN,
ATH9K_PKT_TYPE_BEACON,
/* NB: beacon's BufLen must be a multiple of 4 bytes */
ath9k_hw_filltxdesc(ah, ds, roundup(skb->len, 4),
- true, true, ds);
+ true, true, ds, bf->bf_buf_addr,
+ sc->beacon.beaconq);
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);
{
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;
if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
- DPRINTF(sc->sc_ah, ATH_DBG_FATAL, "dma_mapping_error on beaconing\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "dma_mapping_error on beaconing\n");
return NULL;
}
if (skb && cabq_depth) {
if (sc->nvifs > 1) {
- DPRINTF(sc->sc_ah, ATH_DBG_BEACON,
- "Flushing previous cabq traffic\n");
+ ath_print(common, ATH_DBG_BEACON,
+ "Flushing previous cabq traffic\n");
ath_draintxq(sc, cabq, false);
}
}
- ath_beacon_setup(sc, avp, bf);
+ ath_beacon_setup(sc, avp, bf, info->control.rates[0].idx);
while (skb) {
ath_tx_cabq(hw, skb);
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;
bf = avp->av_bcbuf;
skb = bf->bf_mpdu;
- ath_beacon_setup(sc, avp, bf);
+ ath_beacon_setup(sc, avp, bf, 0);
/* 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(ah, 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;
avp->av_bslot = 0;
for (slot = 0; slot < ATH_BCBUF; slot++)
if (sc->beacon.bslot[slot] == NULL) {
- /*
- * XXX hack, space out slots to better
- * deal with misses
- */
- if (slot+1 < ATH_BCBUF &&
- sc->beacon.bslot[slot+1] == NULL) {
- avp->av_bslot = slot+1;
- break;
- }
avp->av_bslot = slot;
+
/* NB: keep looking for a double slot */
+ if (slot == 0 || !sc->beacon.bslot[slot-1])
+ break;
}
BUG_ON(sc->beacon.bslot[avp->av_bslot] != NULL);
sc->beacon.bslot[avp->av_bslot] = vif;
/* NB: the beacon data buffer must be 32-bit aligned. */
skb = ieee80211_beacon_get(sc->hw, vif);
if (skb == NULL) {
- DPRINTF(sc->sc_ah, ATH_DBG_BEACON, "cannot get skb\n");
+ ath_print(common, ATH_DBG_BEACON, "cannot get skb\n");
return -ENOMEM;
}
tsfadjust = intval * avp->av_bslot / ATH_BCBUF;
avp->tsf_adjust = cpu_to_le64(TU_TO_USEC(tsfadjust));
- DPRINTF(sc->sc_ah, 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;
if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
- DPRINTF(sc->sc_ah, 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;
}
{
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;
sc->beacon.bmisscnt++;
if (sc->beacon.bmisscnt < BSTUCK_THRESH) {
- DPRINTF(sc->sc_ah, 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->sc_ah, 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);
}
}
if (sc->beacon.bmisscnt != 0) {
- DPRINTF(sc->sc_ah, 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;
}
vif = sc->beacon.bslot[slot];
aphy = sc->beacon.bslot_aphy[slot];
- DPRINTF(sc->sc_ah, 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) {
sc->beacon.updateslot = COMMIT; /* commit next beacon */
sc->beacon.slotupdate = slot;
} else if (sc->beacon.updateslot == COMMIT && sc->beacon.slotupdate == slot) {
- ath9k_hw_setslottime(sc->sc_ah, sc->beacon.slottime);
+ ah->slottime = sc->beacon.slottime;
+ ath9k_hw_init_global_settings(ah);
sc->beacon.updateslot = OK;
}
if (bfaddr != 0) {
* are still pending on the queue.
*/
if (!ath9k_hw_stoptxdma(ah, sc->beacon.beaconq)) {
- DPRINTF(sc->sc_ah, ATH_DBG_FATAL,
+ ath_print(common, ATH_DBG_FATAL,
"beacon queue %u did not stop?\n", sc->beacon.beaconq);
}
}
}
+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
static void ath_beacon_config_ap(struct ath_softc *sc,
struct ath_beacon_config *conf)
{
+ struct ath_hw *ah = sc->sc_ah;
u32 nexttbtt, intval;
- /* Configure the timers only when the TSF has to be reset */
-
- if (!(sc->sc_flags & SC_OP_TSF_RESET))
- return;
-
/* NB: the beacon interval is kept internally in TU's */
intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
intval /= ATH_BCBUF; /* for staggered beacons */
nexttbtt = intval;
- intval |= ATH9K_BEACON_RESET_TSF;
+
+ if (sc->sc_flags & SC_OP_TSF_RESET)
+ intval |= ATH9K_BEACON_RESET_TSF;
/*
* In AP mode we enable the beacon timers and SWBA interrupts to
* prepare beacon frames.
*/
intval |= ATH9K_BEACON_ENA;
- sc->imask |= ATH9K_INT_SWBA;
+ ah->imask |= ATH9K_INT_SWBA;
ath_beaconq_config(sc);
/* Set the computed AP beacon timers */
- ath9k_hw_set_interrupts(sc->sc_ah, 0);
- ath9k_hw_beaconinit(sc->sc_ah, nexttbtt, intval);
+ ath9k_hw_set_interrupts(ah, 0);
+ ath9k_beacon_init(sc, nexttbtt, intval);
sc->beacon.bmisscnt = 0;
- ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
+ ath9k_hw_set_interrupts(ah, ah->imask);
/* Clear the reset TSF flag, so that subsequent beacon updation
will not reset the HW TSF. */
static void ath_beacon_config_sta(struct ath_softc *sc,
struct ath_beacon_config *conf)
{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_beacon_state bs;
int dtimperiod, dtimcount, sleepduration;
int cfpperiod, cfpcount;
u64 tsf;
int num_beacons, offset, dtim_dec_count, cfp_dec_count;
+ /* No need to configure beacon if we are not associated */
+ if (!common->curaid) {
+ ath_print(common, ATH_DBG_BEACON,
+ "STA is not yet associated..skipping beacon config\n");
+ return;
+ }
+
memset(&bs, 0, sizeof(bs));
intval = conf->beacon_interval & ATH9K_BEACON_PERIOD;
* Pull nexttbtt forward to reflect the current
* TSF and calculate dtim+cfp state for the result.
*/
- tsf = ath9k_hw_gettsf64(sc->sc_ah);
+ tsf = ath9k_hw_gettsf64(ah);
tsftu = TSF_TO_TU(tsf>>32, tsf) + FUDGE;
num_beacons = tsftu / intval + 1;
/* TSF out of range threshold fixed at 1 second */
bs.bs_tsfoor_threshold = ATH9K_TSFOOR_THRESHOLD;
- DPRINTF(sc->sc_ah, ATH_DBG_BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu);
- DPRINTF(sc->sc_ah, 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 */
- ath9k_hw_set_interrupts(sc->sc_ah, 0);
- ath9k_hw_set_sta_beacon_timers(sc->sc_ah, &bs);
- sc->imask |= ATH9K_INT_BMISS;
- ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
+ ath9k_hw_set_interrupts(ah, 0);
+ ath9k_hw_set_sta_beacon_timers(ah, &bs);
+ ah->imask |= ATH9K_INT_BMISS;
+ ath9k_hw_set_interrupts(ah, ah->imask);
}
static void ath_beacon_config_adhoc(struct ath_softc *sc,
struct ath_beacon_config *conf,
struct ieee80211_vif *vif)
{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
u64 tsf;
u32 tsftu, intval, nexttbtt;
else if (intval)
nexttbtt = roundup(nexttbtt, intval);
- tsf = ath9k_hw_gettsf64(sc->sc_ah);
+ tsf = ath9k_hw_gettsf64(ah);
tsftu = TSF_TO_TU((u32)(tsf>>32), (u32)tsf) + FUDGE;
do {
nexttbtt += intval;
} while (nexttbtt < tsftu);
- DPRINTF(sc->sc_ah, 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
* self-linked tx descriptor and let the hardware deal with things.
*/
intval |= ATH9K_BEACON_ENA;
- if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_VEOL))
- sc->imask |= ATH9K_INT_SWBA;
+ if (!(ah->caps.hw_caps & ATH9K_HW_CAP_VEOL))
+ ah->imask |= ATH9K_INT_SWBA;
ath_beaconq_config(sc);
/* Set the computed ADHOC beacon timers */
- ath9k_hw_set_interrupts(sc->sc_ah, 0);
- ath9k_hw_beaconinit(sc->sc_ah, nexttbtt, intval);
+ ath9k_hw_set_interrupts(ah, 0);
+ ath9k_beacon_init(sc, nexttbtt, intval);
sc->beacon.bmisscnt = 0;
- ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
+ ath9k_hw_set_interrupts(ah, ah->imask);
/* FIXME: Handle properly when vif is NULL */
- if (vif && sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_VEOL)
+ if (vif && ah->caps.hw_caps & ATH9K_HW_CAP_VEOL)
ath_beacon_start_adhoc(sc, vif);
}
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 */
-
if (vif) {
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
ath_beacon_config_sta(sc, cur_conf);
break;
default:
- DPRINTF(sc->sc_ah, ATH_DBG_CONFIG,
- "Unsupported beaconing mode\n");
+ ath_print(common, ATH_DBG_CONFIG,
+ "Unsupported beaconing mode\n");
return;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff