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authorPaul Mundt <lethal@linux-sh.org>2011-01-07 10:29:26 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-01-07 10:29:26 +0900
commit5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee (patch)
tree4f4e321a1ca0baf64d8af528080c71f93495a7d7 /drivers/net/wireless/ath/ath9k/beacon.c
parent98d27b8abf413a310df6676f7d2128ada1cccc08 (diff)
parent3c0cb7c31c206aaedb967e44b98442bbeb17a6c4 (diff)
downloadblackbird-op-linux-5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee.tar.gz
blackbird-op-linux-5e93c6b4ecd78b1bab49bad1dc2f6ed7ec0115ee.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into rmobile-latest
Conflicts: arch/arm/mach-shmobile/Kconfig Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/beacon.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c132
1 files changed, 75 insertions, 57 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 19891e7d49ae..385ba03134ba 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -28,7 +28,7 @@ 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;
+ struct ath_txq *txq;
ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi);
if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
@@ -38,16 +38,16 @@ int ath_beaconq_config(struct ath_softc *sc)
qi.tqi_cwmax = 0;
} else {
/* Adhoc mode; important thing is to use 2x cwmin. */
- qnum = sc->tx.hwq_map[WME_AC_BE];
- ath9k_hw_get_txq_props(ah, qnum, &qi_be);
+ 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_print(common, ATH_DBG_FATAL,
- "Unable to update h/w beacon queue parameters\n");
+ ath_err(common,
+ "Unable to update h/w beacon queue parameters\n");
return 0;
} else {
ath9k_hw_resettxqueue(ah, sc->beacon.beaconq);
@@ -103,12 +103,32 @@ 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 = common->tx_chainmask;
+ series[0].ChSel = ath_txchainmask_reduction(sc,
+ common->tx_chainmask, series[0].Rate);
series[0].RateFlags = (ctsrate) ? ATH9K_RATESERIES_RTS_CTS : 0;
ath9k_hw_set11n_ratescenario(ah, ds, ds, 0, ctsrate, ctsduration,
series, 4, 0);
}
+static void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct ath_wiphy *aphy = hw->priv;
+ struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ath_tx_control txctl;
+
+ memset(&txctl, 0, sizeof(struct ath_tx_control));
+ txctl.txq = sc->beacon.cabq;
+
+ ath_dbg(common, ATH_DBG_XMIT,
+ "transmitting CABQ packet, skb: %p\n", skb);
+
+ if (ath_tx_start(hw, skb, &txctl) != 0) {
+ ath_dbg(common, ATH_DBG_XMIT, "CABQ TX failed\n");
+ dev_kfree_skb_any(skb);
+ }
+}
+
static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
@@ -169,8 +189,7 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
bf->bf_buf_addr = 0;
- ath_print(common, ATH_DBG_FATAL,
- "dma_mapping_error on beaconing\n");
+ ath_err(common, "dma_mapping_error on beaconing\n");
return NULL;
}
@@ -190,8 +209,8 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
if (skb && cabq_depth) {
if (sc->nvifs > 1) {
- ath_print(common, ATH_DBG_BEACON,
- "Flushing previous cabq traffic\n");
+ ath_dbg(common, ATH_DBG_BEACON,
+ "Flushing previous cabq traffic\n");
ath_draintxq(sc, cabq, false);
}
}
@@ -263,7 +282,7 @@ 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) {
- ath_print(common, ATH_DBG_BEACON, "cannot get skb\n");
+ ath_dbg(common, ATH_DBG_BEACON, "cannot get skb\n");
return -ENOMEM;
}
@@ -287,10 +306,9 @@ 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));
- ath_print(common, ATH_DBG_BEACON,
- "stagger beacons, bslot %d intval "
- "%u tsfadjust %llu\n",
- avp->av_bslot, intval, (unsigned long long)tsfadjust);
+ ath_dbg(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;
@@ -304,8 +322,7 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
dev_kfree_skb_any(skb);
bf->bf_mpdu = NULL;
bf->bf_buf_addr = 0;
- ath_print(common, ATH_DBG_FATAL,
- "dma_mapping_error on beacon alloc\n");
+ ath_err(common, "dma_mapping_error on beacon alloc\n");
return -ENOMEM;
}
@@ -362,13 +379,13 @@ void ath_beacon_tasklet(unsigned long data)
sc->beacon.bmisscnt++;
if (sc->beacon.bmisscnt < BSTUCK_THRESH) {
- ath_print(common, ATH_DBG_BSTUCK,
- "missed %u consecutive beacons\n",
- sc->beacon.bmisscnt);
+ ath_dbg(common, ATH_DBG_BSTUCK,
+ "missed %u consecutive beacons\n",
+ sc->beacon.bmisscnt);
ath9k_hw_bstuck_nfcal(ah);
} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
- ath_print(common, ATH_DBG_BSTUCK,
- "beacon is officially stuck\n");
+ ath_dbg(common, ATH_DBG_BSTUCK,
+ "beacon is officially stuck\n");
sc->sc_flags |= SC_OP_TSF_RESET;
ath_reset(sc, true);
}
@@ -377,9 +394,9 @@ void ath_beacon_tasklet(unsigned long data)
}
if (sc->beacon.bmisscnt != 0) {
- ath_print(common, ATH_DBG_BSTUCK,
- "resume beacon xmit after %u misses\n",
- sc->beacon.bmisscnt);
+ ath_dbg(common, ATH_DBG_BSTUCK,
+ "resume beacon xmit after %u misses\n",
+ sc->beacon.bmisscnt);
sc->beacon.bmisscnt = 0;
}
@@ -405,9 +422,9 @@ void ath_beacon_tasklet(unsigned long data)
vif = sc->beacon.bslot[slot];
aphy = sc->beacon.bslot_aphy[slot];
- ath_print(common, ATH_DBG_BEACON,
- "slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
- slot, tsf, tsftu, intval, vif);
+ ath_dbg(common, ATH_DBG_BEACON,
+ "slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
+ slot, tsf, tsftu, intval, vif);
bfaddr = 0;
if (vif) {
@@ -449,8 +466,8 @@ void ath_beacon_tasklet(unsigned long data)
* are still pending on the queue.
*/
if (!ath9k_hw_stoptxdma(ah, sc->beacon.beaconq)) {
- ath_print(common, ATH_DBG_FATAL,
- "beacon queue %u did not stop?\n", sc->beacon.beaconq);
+ ath_err(common, "beacon queue %u did not stop?\n",
+ sc->beacon.beaconq);
}
/* NB: cabq traffic should already be queued and primed */
@@ -503,7 +520,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc,
/* Set the computed AP beacon timers */
- ath9k_hw_set_interrupts(ah, 0);
+ ath9k_hw_disable_interrupts(ah);
ath9k_beacon_init(sc, nexttbtt, intval);
sc->beacon.bmisscnt = 0;
ath9k_hw_set_interrupts(ah, ah->imask);
@@ -536,8 +553,8 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
/* 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");
+ ath_dbg(common, ATH_DBG_BEACON,
+ "STA is not yet associated..skipping beacon config\n");
return;
}
@@ -549,8 +566,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
* last beacon we received (which may be none).
*/
dtimperiod = conf->dtim_period;
- if (dtimperiod <= 0) /* NB: 0 if not known */
- dtimperiod = 1;
dtimcount = conf->dtim_count;
if (dtimcount >= dtimperiod) /* NB: sanity check */
dtimcount = 0;
@@ -558,8 +573,6 @@ static void ath_beacon_config_sta(struct ath_softc *sc,
cfpcount = 0;
sleepduration = conf->listen_interval * intval;
- if (sleepduration <= 0)
- sleepduration = intval;
/*
* Pull nexttbtt forward to reflect the current
@@ -630,23 +643,22 @@ 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;
- 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);
+ ath_dbg(common, ATH_DBG_BEACON, "tsf: %llu tsftu: %u\n", tsf, tsftu);
+ ath_dbg(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(ah, 0);
+ ath9k_hw_disable_interrupts(ah);
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_beacon_config *conf)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
@@ -670,9 +682,9 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
nexttbtt += intval;
} while (nexttbtt < tsftu);
- ath_print(common, ATH_DBG_BEACON,
- "IBSS nexttbtt %u intval %u (%u)\n",
- nexttbtt, intval, conf->beacon_interval);
+ ath_dbg(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
@@ -686,7 +698,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc,
/* Set the computed ADHOC beacon timers */
- ath9k_hw_set_interrupts(ah, 0);
+ ath9k_hw_disable_interrupts(ah);
ath9k_beacon_init(sc, nexttbtt, intval);
sc->beacon.bmisscnt = 0;
ath9k_hw_set_interrupts(ah, ah->imask);
@@ -701,18 +713,17 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
/* Setup the beacon configuration parameters */
if (vif) {
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
-
iftype = vif->type;
-
cur_conf->beacon_interval = bss_conf->beacon_int;
cur_conf->dtim_period = bss_conf->dtim_period;
+ } else {
+ iftype = sc->sc_ah->opmode;
+ }
+
cur_conf->listen_interval = 1;
cur_conf->dtim_count = 1;
cur_conf->bmiss_timeout =
ATH_DEFAULT_BMISS_LIMIT * cur_conf->beacon_interval;
- } else {
- iftype = sc->sc_ah->opmode;
- }
/*
* It looks like mac80211 may end up using beacon interval of zero in
@@ -723,20 +734,27 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
if (cur_conf->beacon_interval == 0)
cur_conf->beacon_interval = 100;
+ /*
+ * Some times we dont parse dtim period from mac80211, in that case
+ * use a default value
+ */
+ if (cur_conf->dtim_period == 0)
+ cur_conf->dtim_period = 1;
+
switch (iftype) {
case NL80211_IFTYPE_AP:
ath_beacon_config_ap(sc, cur_conf);
break;
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
- ath_beacon_config_adhoc(sc, cur_conf, vif);
+ ath_beacon_config_adhoc(sc, cur_conf);
break;
case NL80211_IFTYPE_STATION:
ath_beacon_config_sta(sc, cur_conf);
break;
default:
- ath_print(common, ATH_DBG_CONFIG,
- "Unsupported beaconing mode\n");
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Unsupported beaconing mode\n");
return;
}
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