diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 62 |
1 files changed, 34 insertions, 28 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 66a6c1f5022a..961b0ce6ef3e 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -342,6 +342,7 @@ static void ath_ani_calibrate(unsigned long data) * don't calibrate when we're scanning. * we are most likely not on our home channel. */ + spin_lock(&sc->ani_lock); if (sc->sc_flags & SC_OP_SCANNING) goto set_timer; @@ -405,6 +406,7 @@ static void ath_ani_calibrate(unsigned long data) ath9k_ps_restore(sc); set_timer: + spin_unlock(&sc->ani_lock); /* * Set timer interval based on previous results. * The interval must be the shortest necessary to satisfy ANI, @@ -887,6 +889,7 @@ static void setup_ht_cap(struct ath_softc *sc, { #define ATH9K_HT_CAP_MAXRXAMPDU_65536 0x3 /* 2 ^ 16 */ #define ATH9K_HT_CAP_MPDUDENSITY_8 0x6 /* 8 usec */ + u8 tx_streams, rx_streams; ht_info->ht_supported = true; ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | @@ -899,45 +902,43 @@ static void setup_ht_cap(struct ath_softc *sc, /* set up supported mcs set */ memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); + tx_streams = !(sc->tx_chainmask & (sc->tx_chainmask - 1)) ? 1 : 2; + rx_streams = !(sc->rx_chainmask & (sc->rx_chainmask - 1)) ? 1 : 2; - switch(sc->rx_chainmask) { - case 1: - ht_info->mcs.rx_mask[0] = 0xff; - break; - case 3: - case 5: - case 7: - default: - ht_info->mcs.rx_mask[0] = 0xff; - ht_info->mcs.rx_mask[1] = 0xff; - break; + if (tx_streams != rx_streams) { + DPRINTF(sc, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n", + tx_streams, rx_streams); + ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; + ht_info->mcs.tx_params |= ((tx_streams - 1) << + IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); } - ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + ht_info->mcs.rx_mask[0] = 0xff; + if (rx_streams >= 2) + ht_info->mcs.rx_mask[1] = 0xff; + + ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_DEFINED; } static void ath9k_bss_assoc_info(struct ath_softc *sc, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf) { - struct ath_vif *avp = (void *)vif->drv_priv; if (bss_conf->assoc) { DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n", bss_conf->aid, sc->curbssid); /* New association, store aid */ - if (avp->av_opmode == NL80211_IFTYPE_STATION) { - sc->curaid = bss_conf->aid; - ath9k_hw_write_associd(sc); + sc->curaid = bss_conf->aid; + ath9k_hw_write_associd(sc); - /* - * Request a re-configuration of Beacon related timers - * on the receipt of the first Beacon frame (i.e., - * after time sync with the AP). - */ - sc->sc_flags |= SC_OP_BEACON_SYNC; - } + /* + * Request a re-configuration of Beacon related timers + * on the receipt of the first Beacon frame (i.e., + * after time sync with the AP). + */ + sc->sc_flags |= SC_OP_BEACON_SYNC; /* Configure the beacon */ ath_beacon_config(sc, vif); @@ -952,6 +953,8 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc, } else { DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info DISASSOC\n"); sc->curaid = 0; + /* Stop ANI */ + del_timer_sync(&sc->ani.timer); } } @@ -1311,6 +1314,7 @@ static int ath_init(u16 devid, struct ath_softc *sc) spin_lock_init(&sc->wiphy_lock); spin_lock_init(&sc->sc_resetlock); spin_lock_init(&sc->sc_serial_rw); + spin_lock_init(&sc->ani_lock); mutex_init(&sc->mutex); tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet, @@ -2196,7 +2200,9 @@ static int ath9k_add_interface(struct ieee80211_hw *hw, ath9k_hw_set_interrupts(sc->sc_ah, sc->imask); - if (conf->type == NL80211_IFTYPE_AP) + if (conf->type == NL80211_IFTYPE_AP || + conf->type == NL80211_IFTYPE_ADHOC || + conf->type == NL80211_IFTYPE_MONITOR) ath_start_ani(sc); out: @@ -2681,9 +2687,9 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw) aphy->state = ATH_WIPHY_SCAN; ath9k_wiphy_pause_all_forced(sc, aphy); - mutex_lock(&sc->mutex); + spin_lock_bh(&sc->ani_lock); sc->sc_flags |= SC_OP_SCANNING; - mutex_unlock(&sc->mutex); + spin_unlock_bh(&sc->ani_lock); } static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) @@ -2691,11 +2697,11 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; - mutex_lock(&sc->mutex); + spin_lock_bh(&sc->ani_lock); aphy->state = ATH_WIPHY_ACTIVE; sc->sc_flags &= ~SC_OP_SCANNING; sc->sc_flags |= SC_OP_FULL_RESET; - mutex_unlock(&sc->mutex); + spin_unlock_bh(&sc->ani_lock); } struct ieee80211_ops ath9k_ops = { |