diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 216 |
1 files changed, 101 insertions, 115 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index f026a03..daa3c9f 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -246,9 +246,10 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, * the relevant bits of the h/w. */ ath9k_hw_disable_interrupts(ah); - ath_drain_all_txq(sc, false); + stopped = ath_drain_all_txq(sc, false); - stopped = ath_stoprecv(sc); + if (!ath_stoprecv(sc)) + stopped = false; /* XXX: do not flush receive queue here. We don't want * to flush data frames already in queue because of @@ -260,24 +261,22 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) caldata = &aphy->caldata; - ath_print(common, ATH_DBG_CONFIG, - "(%u MHz) -> (%u MHz), conf_is_ht40: %d fastcc: %d\n", - sc->sc_ah->curchan->channel, - channel->center_freq, conf_is_ht40(conf), - fastcc); + ath_dbg(common, ATH_DBG_CONFIG, + "(%u MHz) -> (%u MHz), conf_is_ht40: %d fastcc: %d\n", + sc->sc_ah->curchan->channel, + channel->center_freq, conf_is_ht40(conf), + fastcc); r = ath9k_hw_reset(ah, hchan, caldata, fastcc); if (r) { - ath_print(common, ATH_DBG_FATAL, - "Unable to reset channel (%u MHz), " - "reset status %d\n", - channel->center_freq, r); + ath_err(common, + "Unable to reset channel (%u MHz), reset status %d\n", + channel->center_freq, r); goto ps_restore; } if (ath_startrecv(sc) != 0) { - ath_print(common, ATH_DBG_FATAL, - "Unable to restart recv logic\n"); + ath_err(common, "Unable to restart recv logic\n"); r = -EIO; goto ps_restore; } @@ -389,10 +388,9 @@ void ath_paprd_calibrate(struct work_struct *work) msecs_to_jiffies(ATH_PAPRD_TIMEOUT)); sc->paprd_pending = false; if (!time_left) { - ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE, - "Timeout waiting for paprd training on " - "TX chain %d\n", - chain); + ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE, + "Timeout waiting for paprd training on TX chain %d\n", + chain); goto fail_paprd; } @@ -451,7 +449,7 @@ void ath_ani_calibrate(unsigned long data) /* Long calibration runs independently of short calibration. */ if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) { longcal = true; - ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); + ath_dbg(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies); common->ani.longcal_timer = timestamp; } @@ -459,8 +457,8 @@ void ath_ani_calibrate(unsigned long data) if (!common->ani.caldone) { if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) { shortcal = true; - ath_print(common, ATH_DBG_ANI, - "shortcal @%lu\n", jiffies); + ath_dbg(common, ATH_DBG_ANI, + "shortcal @%lu\n", jiffies); common->ani.shortcal_timer = timestamp; common->ani.resetcal_timer = timestamp; } @@ -544,10 +542,10 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht) common->rx_chainmask = 1; } - ath_print(common, ATH_DBG_CONFIG, - "tx chmask: %d, rx chmask: %d\n", - common->tx_chainmask, - common->rx_chainmask); + ath_dbg(common, ATH_DBG_CONFIG, + "tx chmask: %d, rx chmask: %d\n", + common->tx_chainmask, + common->rx_chainmask); } static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta) @@ -643,8 +641,8 @@ void ath9k_tasklet(unsigned long data) * TSF sync does not look correct; remain awake to sync with * the next Beacon. */ - ath_print(common, ATH_DBG_PS, - "TSFOOR - Sync with next Beacon\n"); + ath_dbg(common, ATH_DBG_PS, + "TSFOOR - Sync with next Beacon\n"); sc->ps_flags |= PS_WAIT_FOR_BEACON | PS_BEACON_SYNC; } @@ -768,6 +766,8 @@ irqreturn_t ath_isr(int irq, void *dev) if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) if (status & ATH9K_INT_TIM_TIMER) { + if (ATH_DBG_WARN_ON_ONCE(sc->ps_idle)) + goto chip_reset; /* Clear RxAbort bit so that we can * receive frames */ ath9k_setpower(sc, ATH9K_PM_AWAKE); @@ -842,9 +842,9 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc, struct ath_common *common = ath9k_hw_common(ah); if (bss_conf->assoc) { - ath_print(common, ATH_DBG_CONFIG, - "Bss Info ASSOC %d, bssid: %pM\n", - bss_conf->aid, common->curbssid); + ath_dbg(common, ATH_DBG_CONFIG, + "Bss Info ASSOC %d, bssid: %pM\n", + bss_conf->aid, common->curbssid); /* New association, store aid */ common->curaid = bss_conf->aid; @@ -867,7 +867,7 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc, sc->sc_flags |= SC_OP_ANI_RUN; ath_start_ani(common); } else { - ath_print(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n"); + ath_dbg(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n"); common->curaid = 0; /* Stop ANI */ sc->sc_flags &= ~SC_OP_ANI_RUN; @@ -892,16 +892,14 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw) r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); if (r) { - ath_print(common, ATH_DBG_FATAL, - "Unable to reset channel (%u MHz), " - "reset status %d\n", - channel->center_freq, r); + ath_err(common, + "Unable to reset channel (%u MHz), reset status %d\n", + channel->center_freq, r); } ath_update_txpow(sc); if (ath_startrecv(sc) != 0) { - ath_print(common, ATH_DBG_FATAL, - "Unable to restart recv logic\n"); + ath_err(common, "Unable to restart recv logic\n"); spin_unlock_bh(&sc->sc_pcu_lock); return; } @@ -955,10 +953,9 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw) r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); if (r) { - ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL, - "Unable to reset channel (%u MHz), " - "reset status %d\n", - channel->center_freq, r); + ath_err(ath9k_hw_common(sc->sc_ah), + "Unable to reset channel (%u MHz), reset status %d\n", + channel->center_freq, r); } ath9k_hw_phy_disable(ah); @@ -993,12 +990,11 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false); if (r) - ath_print(common, ATH_DBG_FATAL, - "Unable to reset hardware; reset status %d\n", r); + ath_err(common, + "Unable to reset hardware; reset status %d\n", r); if (ath_startrecv(sc) != 0) - ath_print(common, ATH_DBG_FATAL, - "Unable to start recv logic\n"); + ath_err(common, "Unable to start recv logic\n"); /* * We may be doing a reset in response to a request @@ -1070,9 +1066,9 @@ static int ath9k_start(struct ieee80211_hw *hw) struct ath9k_channel *init_channel; int r; - ath_print(common, ATH_DBG_CONFIG, - "Starting driver with initial channel: %d MHz\n", - curchan->center_freq); + ath_dbg(common, ATH_DBG_CONFIG, + "Starting driver with initial channel: %d MHz\n", + curchan->center_freq); mutex_lock(&sc->mutex); @@ -1116,10 +1112,9 @@ static int ath9k_start(struct ieee80211_hw *hw) spin_lock_bh(&sc->sc_pcu_lock); r = ath9k_hw_reset(ah, init_channel, ah->caldata, false); if (r) { - ath_print(common, ATH_DBG_FATAL, - "Unable to reset hardware; reset status %d " - "(freq %u MHz)\n", r, - curchan->center_freq); + ath_err(common, + "Unable to reset hardware; reset status %d (freq %u MHz)\n", + r, curchan->center_freq); spin_unlock_bh(&sc->sc_pcu_lock); goto mutex_unlock; } @@ -1138,8 +1133,7 @@ static int ath9k_start(struct ieee80211_hw *hw) * here except setup the interrupt mask. */ if (ath_startrecv(sc) != 0) { - ath_print(common, ATH_DBG_FATAL, - "Unable to start recv logic\n"); + ath_err(common, "Unable to start recv logic\n"); r = -EIO; spin_unlock_bh(&sc->sc_pcu_lock); goto mutex_unlock; @@ -1188,6 +1182,9 @@ static int ath9k_start(struct ieee80211_hw *hw) pm_qos_update_request(&sc->pm_qos_req, 55); + if (ah->caps.pcie_lcr_extsync_en && common->bus_ops->extn_synch_en) + common->bus_ops->extn_synch_en(common); + mutex_unlock: mutex_unlock(&sc->mutex); @@ -1204,9 +1201,9 @@ static int ath9k_tx(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) { - ath_print(common, ATH_DBG_XMIT, - "ath9k: %s: TX in unexpected wiphy state " - "%d\n", wiphy_name(hw->wiphy), aphy->state); + ath_dbg(common, ATH_DBG_XMIT, + "ath9k: %s: TX in unexpected wiphy state %d\n", + wiphy_name(hw->wiphy), aphy->state); goto exit; } @@ -1218,8 +1215,8 @@ static int ath9k_tx(struct ieee80211_hw *hw, if (ieee80211_is_data(hdr->frame_control) && !ieee80211_is_nullfunc(hdr->frame_control) && !ieee80211_has_pm(hdr->frame_control)) { - ath_print(common, ATH_DBG_PS, "Add PM=1 for a TX frame " - "while in PS mode\n"); + ath_dbg(common, ATH_DBG_PS, + "Add PM=1 for a TX frame while in PS mode\n"); hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM); } } @@ -1234,12 +1231,12 @@ static int ath9k_tx(struct ieee80211_hw *hw, if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) ath9k_hw_setrxabort(sc->sc_ah, 0); if (ieee80211_is_pspoll(hdr->frame_control)) { - ath_print(common, ATH_DBG_PS, - "Sending PS-Poll to pick a buffered frame\n"); + ath_dbg(common, ATH_DBG_PS, + "Sending PS-Poll to pick a buffered frame\n"); sc->ps_flags |= PS_WAIT_FOR_PSPOLL_DATA; } else { - ath_print(common, ATH_DBG_PS, - "Wake up to complete TX\n"); + ath_dbg(common, ATH_DBG_PS, + "Wake up to complete TX\n"); sc->ps_flags |= PS_WAIT_FOR_TX_ACK; } /* @@ -1253,10 +1250,10 @@ static int ath9k_tx(struct ieee80211_hw *hw, memset(&txctl, 0, sizeof(struct ath_tx_control)); txctl.txq = sc->tx.txq_map[skb_get_queue_mapping(skb)]; - ath_print(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb); + ath_dbg(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb); if (ath_tx_start(hw, skb, &txctl) != 0) { - ath_print(common, ATH_DBG_XMIT, "TX failed\n"); + ath_dbg(common, ATH_DBG_XMIT, "TX failed\n"); goto exit; } @@ -1296,7 +1293,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) } if (sc->sc_flags & SC_OP_INVALID) { - ath_print(common, ATH_DBG_ANY, "Device not present\n"); + ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); mutex_unlock(&sc->mutex); return; } @@ -1345,7 +1342,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) mutex_unlock(&sc->mutex); - ath_print(common, ATH_DBG_CONFIG, "Driver halt\n"); + ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n"); } static int ath9k_add_interface(struct ieee80211_hw *hw, @@ -1378,14 +1375,14 @@ static int ath9k_add_interface(struct ieee80211_hw *hw, ic_opmode = vif->type; break; default: - ath_print(common, ATH_DBG_FATAL, - "Interface type %d not yet supported\n", vif->type); + ath_err(common, "Interface type %d not yet supported\n", + vif->type); ret = -EOPNOTSUPP; goto out; } - ath_print(common, ATH_DBG_CONFIG, - "Attach a VIF of type: %d\n", ic_opmode); + ath_dbg(common, ATH_DBG_CONFIG, + "Attach a VIF of type: %d\n", ic_opmode); /* Set the VIF opmode */ avp->av_opmode = ic_opmode; @@ -1438,10 +1435,8 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, struct ath_softc *sc = aphy->sc; struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_vif *avp = (void *)vif->drv_priv; - bool bs_valid = false; - int i; - ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n"); + ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n"); mutex_lock(&sc->mutex); @@ -1453,26 +1448,21 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) || (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) || (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) { + /* Disable SWBA interrupt */ + sc->sc_ah->imask &= ~ATH9K_INT_SWBA; ath9k_ps_wakeup(sc); + ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask); ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); ath9k_ps_restore(sc); + tasklet_kill(&sc->bcon_tasklet); } ath_beacon_return(sc, avp); sc->sc_flags &= ~SC_OP_BEACONS; - for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) { - if (sc->beacon.bslot[i] == vif) { - printk(KERN_DEBUG "%s: vif had allocated beacon " - "slot\n", __func__); - sc->beacon.bslot[i] = NULL; - sc->beacon.bslot_aphy[i] = NULL; - } else if (sc->beacon.bslot[i]) - bs_valid = true; - } - if (!bs_valid && (sc->sc_ah->imask & ATH9K_INT_SWBA)) { - /* Disable SWBA interrupt */ - sc->sc_ah->imask &= ~ATH9K_INT_SWBA; + if (sc->nbcnvifs) { + /* Re-enable SWBA interrupt */ + sc->sc_ah->imask |= ATH9K_INT_SWBA; ath9k_ps_wakeup(sc); ath9k_hw_set_interrupts(sc->sc_ah, sc->sc_ah->imask); ath9k_ps_restore(sc); @@ -1556,8 +1546,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) if (enable_radio) { sc->ps_idle = false; ath_radio_enable(sc, hw); - ath_print(common, ATH_DBG_CONFIG, - "not-idle: enabling radio\n"); + ath_dbg(common, ATH_DBG_CONFIG, + "not-idle: enabling radio\n"); } } @@ -1579,12 +1569,12 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) if (changed & IEEE80211_CONF_CHANGE_MONITOR) { if (conf->flags & IEEE80211_CONF_MONITOR) { - ath_print(common, ATH_DBG_CONFIG, - "Monitor mode is enabled\n"); + ath_dbg(common, ATH_DBG_CONFIG, + "Monitor mode is enabled\n"); sc->sc_ah->is_monitoring = true; } else { - ath_print(common, ATH_DBG_CONFIG, - "Monitor mode is disabled\n"); + ath_dbg(common, ATH_DBG_CONFIG, + "Monitor mode is disabled\n"); sc->sc_ah->is_monitoring = false; } } @@ -1616,8 +1606,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) goto skip_chan_change; } - ath_print(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n", - curchan->center_freq); + ath_dbg(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n", + curchan->center_freq); /* XXX: remove me eventualy */ ath9k_update_ichannel(sc, hw, &sc->sc_ah->channels[pos]); @@ -1650,8 +1640,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) } if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) { - ath_print(common, ATH_DBG_FATAL, - "Unable to set channel\n"); + ath_err(common, "Unable to set channel\n"); mutex_unlock(&sc->mutex); return -EINVAL; } @@ -1676,7 +1665,7 @@ skip_chan_change: spin_unlock_bh(&sc->wiphy_lock); if (disable_radio) { - ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); + ath_dbg(common, ATH_DBG_CONFIG, "idle: disabling radio\n"); sc->ps_idle = true; ath_radio_disable(sc, hw); } @@ -1715,8 +1704,8 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw, ath9k_hw_setrxfilter(sc->sc_ah, rfilt); ath9k_ps_restore(sc); - ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG, - "Set HW RX filter: 0x%x\n", rfilt); + ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG, + "Set HW RX filter: 0x%x\n", rfilt); } static int ath9k_sta_add(struct ieee80211_hw *hw, @@ -1767,15 +1756,14 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue, qi.tqi_cwmax = params->cw_max; qi.tqi_burstTime = params->txop; - ath_print(common, ATH_DBG_CONFIG, - "Configure tx [queue/halq] [%d/%d], " - "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", - queue, txq->axq_qnum, params->aifs, params->cw_min, - params->cw_max, params->txop); + ath_dbg(common, ATH_DBG_CONFIG, + "Configure tx [queue/halq] [%d/%d], aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n", + queue, txq->axq_qnum, params->aifs, params->cw_min, + params->cw_max, params->txop); ret = ath_txq_update(sc, txq->axq_qnum, &qi); if (ret) - ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n"); + ath_err(common, "TXQ Update failed\n"); if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) if (queue == WME_AC_BE && !ret) @@ -1802,7 +1790,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw, mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - ath_print(common, ATH_DBG_CONFIG, "Set HW Key\n"); + ath_dbg(common, ATH_DBG_CONFIG, "Set HW Key\n"); switch (cmd) { case SET_KEY: @@ -1861,9 +1849,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, if (vif->type == NL80211_IFTYPE_ADHOC) ath_update_chainmask(sc, 0); - ath_print(common, ATH_DBG_CONFIG, - "BSSID: %pM aid: 0x%x\n", - common->curbssid, common->curaid); + ath_dbg(common, ATH_DBG_CONFIG, "BSSID: %pM aid: 0x%x\n", + common->curbssid, common->curaid); /* need to reconfigure the beacon */ sc->sc_flags &= ~SC_OP_BEACONS ; @@ -1919,8 +1906,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_ERP_PREAMBLE) { - ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n", - bss_conf->use_short_preamble); + ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n", + bss_conf->use_short_preamble); if (bss_conf->use_short_preamble) sc->sc_flags |= SC_OP_PREAMBLE_SHORT; else @@ -1928,8 +1915,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_ERP_CTS_PROT) { - ath_print(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n", - bss_conf->use_cts_prot); + ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n", + bss_conf->use_cts_prot); if (bss_conf->use_cts_prot && hw->conf.channel->band != IEEE80211_BAND_5GHZ) sc->sc_flags |= SC_OP_PROTECT_ENABLE; @@ -1938,7 +1925,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, } if (changed & BSS_CHANGED_ASSOC) { - ath_print(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n", + ath_dbg(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n", bss_conf->assoc); ath9k_bss_assoc_info(sc, hw, vif, bss_conf); } @@ -2024,8 +2011,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw, ath9k_ps_restore(sc); break; default: - ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL, - "Unknown AMPDU action\n"); + ath_err(ath9k_hw_common(sc->sc_ah), "Unknown AMPDU action\n"); } local_bh_enable(); |