summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath/ath9k/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c156
1 files changed, 139 insertions, 17 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index b8b76dd2c11..c8de50fa637 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -51,13 +51,11 @@ static void ath_cache_conf_rate(struct ath_softc *sc,
static void ath_update_txpow(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
- u32 txpow;
if (sc->curtxpow != sc->config.txpowlimit) {
ath9k_hw_set_txpowerlimit(ah, sc->config.txpowlimit);
/* read back in case value is clamped */
- ath9k_hw_getcapability(ah, ATH9K_CAP_TXPOW, 1, &txpow);
- sc->curtxpow = txpow;
+ sc->curtxpow = ath9k_hw_regulatory(ah)->power_limit;
}
}
@@ -232,6 +230,113 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
return r;
}
+static void ath_paprd_activate(struct ath_softc *sc)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ int chain;
+
+ if (!ah->curchan->paprd_done)
+ return;
+
+ ath9k_ps_wakeup(sc);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if (!(ah->caps.tx_chainmask & BIT(chain)))
+ continue;
+
+ ar9003_paprd_populate_single_table(ah, ah->curchan, chain);
+ }
+
+ ar9003_paprd_enable(ah, true);
+ ath9k_ps_restore(sc);
+}
+
+void ath_paprd_calibrate(struct work_struct *work)
+{
+ struct ath_softc *sc = container_of(work, struct ath_softc, paprd_work);
+ struct ieee80211_hw *hw = sc->hw;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ieee80211_hdr *hdr;
+ struct sk_buff *skb = NULL;
+ struct ieee80211_tx_info *tx_info;
+ int band = hw->conf.channel->band;
+ struct ieee80211_supported_band *sband = &sc->sbands[band];
+ struct ath_tx_control txctl;
+ int qnum, ftype;
+ int chain_ok = 0;
+ int chain;
+ int len = 1800;
+ int time_left;
+ int i;
+
+ ath9k_ps_wakeup(sc);
+ skb = alloc_skb(len, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ tx_info = IEEE80211_SKB_CB(skb);
+
+ skb_put(skb, len);
+ memset(skb->data, 0, len);
+ hdr = (struct ieee80211_hdr *)skb->data;
+ ftype = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC;
+ hdr->frame_control = cpu_to_le16(ftype);
+ hdr->duration_id = 10;
+ memcpy(hdr->addr1, hw->wiphy->perm_addr, ETH_ALEN);
+ memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN);
+ memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN);
+
+ memset(&txctl, 0, sizeof(txctl));
+ qnum = sc->tx.hwq_map[WME_AC_BE];
+ txctl.txq = &sc->tx.txq[qnum];
+
+ ar9003_paprd_init_table(ah);
+ for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
+ if (!(ah->caps.tx_chainmask & BIT(chain)))
+ continue;
+
+ chain_ok = 0;
+ memset(tx_info, 0, sizeof(*tx_info));
+ tx_info->band = band;
+
+ for (i = 0; i < 4; i++) {
+ tx_info->control.rates[i].idx = sband->n_bitrates - 1;
+ tx_info->control.rates[i].count = 6;
+ }
+
+ init_completion(&sc->paprd_complete);
+ ar9003_paprd_setup_gain_table(ah, chain);
+ txctl.paprd = BIT(chain);
+ if (ath_tx_start(hw, skb, &txctl) != 0)
+ break;
+
+ time_left = wait_for_completion_timeout(&sc->paprd_complete,
+ 100);
+ if (!time_left) {
+ ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "Timeout waiting for paprd training on "
+ "TX chain %d\n",
+ chain);
+ break;
+ }
+
+ if (!ar9003_paprd_is_done(ah))
+ break;
+
+ if (ar9003_paprd_create_curve(ah, ah->curchan, chain) != 0)
+ break;
+
+ chain_ok = 1;
+ }
+ kfree_skb(skb);
+
+ if (chain_ok) {
+ ah->curchan->paprd_done = true;
+ ath_paprd_activate(sc);
+ }
+
+ ath9k_ps_restore(sc);
+}
+
/*
* This routine performs the periodic noise floor calibration function
* that is used to adjust and optimize the chip performance. This
@@ -285,7 +390,8 @@ void ath_ani_calibrate(unsigned long data)
}
/* Verify whether we must check ANI */
- if ((timestamp - common->ani.checkani_timer) >= ATH_ANI_POLLINTERVAL) {
+ if ((timestamp - common->ani.checkani_timer) >=
+ ah->config.ani_poll_interval) {
aniflag = true;
common->ani.checkani_timer = timestamp;
}
@@ -326,15 +432,24 @@ set_timer:
*/
cal_interval = ATH_LONG_CALINTERVAL;
if (sc->sc_ah->config.enable_ani)
- cal_interval = min(cal_interval, (u32)ATH_ANI_POLLINTERVAL);
+ cal_interval = min(cal_interval,
+ (u32)ah->config.ani_poll_interval);
if (!common->ani.caldone)
cal_interval = min(cal_interval, (u32)short_cal_interval);
mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
+ if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) &&
+ !(sc->sc_flags & SC_OP_SCANNING)) {
+ if (!sc->sc_ah->curchan->paprd_done)
+ ieee80211_queue_work(sc->hw, &sc->paprd_work);
+ else
+ ath_paprd_activate(sc);
+ }
}
static void ath_start_ani(struct ath_common *common)
{
+ struct ath_hw *ah = common->ah;
unsigned long timestamp = jiffies_to_msecs(jiffies);
common->ani.longcal_timer = timestamp;
@@ -342,7 +457,8 @@ static void ath_start_ani(struct ath_common *common)
common->ani.checkani_timer = timestamp;
mod_timer(&common->ani.timer,
- jiffies + msecs_to_jiffies(ATH_ANI_POLLINTERVAL));
+ jiffies +
+ msecs_to_jiffies((u32)ah->config.ani_poll_interval));
}
/*
@@ -804,25 +920,25 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
return r;
}
-int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
+static int ath_get_hal_qnum(u16 queue, struct ath_softc *sc)
{
int qnum;
switch (queue) {
case 0:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_VO];
+ qnum = sc->tx.hwq_map[WME_AC_VO];
break;
case 1:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_VI];
+ qnum = sc->tx.hwq_map[WME_AC_VI];
break;
case 2:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BE];
+ qnum = sc->tx.hwq_map[WME_AC_BE];
break;
case 3:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BK];
+ qnum = sc->tx.hwq_map[WME_AC_BK];
break;
default:
- qnum = sc->tx.hwq_map[ATH9K_WME_AC_BE];
+ qnum = sc->tx.hwq_map[WME_AC_BE];
break;
}
@@ -834,16 +950,16 @@ int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc)
int qnum;
switch (queue) {
- case ATH9K_WME_AC_VO:
+ case WME_AC_VO:
qnum = 0;
break;
- case ATH9K_WME_AC_VI:
+ case WME_AC_VI:
qnum = 1;
break;
- case ATH9K_WME_AC_BE:
+ case WME_AC_BE:
qnum = 2;
break;
- case ATH9K_WME_AC_BK:
+ case WME_AC_BK:
qnum = 3;
break;
default:
@@ -1127,6 +1243,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
cancel_delayed_work_sync(&sc->ath_led_blink_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
+ cancel_work_sync(&sc->paprd_work);
if (!sc->num_sec_wiphy) {
cancel_delayed_work_sync(&sc->wiphy_work);
@@ -1555,7 +1672,7 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)
- if ((qnum == sc->tx.hwq_map[ATH9K_WME_AC_BE]) && !ret)
+ if ((qnum == sc->tx.hwq_map[WME_AC_BE]) && !ret)
ath_beaconq_config(sc);
mutex_unlock(&sc->mutex);
@@ -1769,6 +1886,8 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
struct ath_softc *sc = aphy->sc;
int ret = 0;
+ local_bh_disable();
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
if (!(sc->sc_flags & SC_OP_RXAGGR))
@@ -1798,6 +1917,8 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
"Unknown AMPDU action\n");
}
+ local_bh_enable();
+
return ret;
}
@@ -1842,6 +1963,7 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
ath9k_wiphy_pause_all_forced(sc, aphy);
sc->sc_flags |= SC_OP_SCANNING;
del_timer_sync(&common->ani.timer);
+ cancel_work_sync(&sc->paprd_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
mutex_unlock(&sc->mutex);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-21 10:36:37 +0000