diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/net/wireless/ath/ath9k/main.c | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 86 |
1 files changed, 57 insertions, 29 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 4b59a4c15..7cb65c303 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -915,6 +915,22 @@ static bool ath9k_uses_beacons(int type) } } +static void ath9k_vif_iter_set_beacon(struct ath9k_vif_iter_data *iter_data, + struct ieee80211_vif *vif) +{ + /* Use the first (configured) interface, but prefering AP interfaces. */ + if (!iter_data->primary_beacon_vif) { + iter_data->primary_beacon_vif = vif; + } else { + if (iter_data->primary_beacon_vif->type != NL80211_IFTYPE_AP && + vif->type == NL80211_IFTYPE_AP) + iter_data->primary_beacon_vif = vif; + } + + iter_data->beacons = true; + iter_data->nbcnvifs += 1; +} + static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data, u8 *mac, struct ieee80211_vif *vif) { @@ -931,11 +947,13 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data, } if (!vif->bss_conf.use_short_slot) - iter_data->slottime = ATH9K_SLOT_TIME_20; + iter_data->slottime = 20; switch (vif->type) { case NL80211_IFTYPE_AP: iter_data->naps++; + if (vif->bss_conf.enable_beacon) + ath9k_vif_iter_set_beacon(iter_data, vif); break; case NL80211_IFTYPE_STATION: iter_data->nstations++; @@ -948,12 +966,12 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data, case NL80211_IFTYPE_ADHOC: iter_data->nadhocs++; if (vif->bss_conf.enable_beacon) - iter_data->beacons = true; + ath9k_vif_iter_set_beacon(iter_data, vif); break; case NL80211_IFTYPE_MESH_POINT: iter_data->nmeshes++; if (vif->bss_conf.enable_beacon) - iter_data->beacons = true; + ath9k_vif_iter_set_beacon(iter_data, vif); break; case NL80211_IFTYPE_WDS: iter_data->nwds++; @@ -1004,7 +1022,7 @@ void ath9k_calculate_iter_data(struct ath_softc *sc, */ memset(iter_data, 0, sizeof(*iter_data)); eth_broadcast_addr(iter_data->mask); - iter_data->slottime = ATH9K_SLOT_TIME_9; + iter_data->slottime = 9; list_for_each_entry(avp, &ctx->vifs, list) ath9k_vif_iter(iter_data, avp->vif->addr, avp->vif); @@ -1066,7 +1084,7 @@ static void ath9k_set_offchannel_state(struct ath_softc *sc) ah->opmode = vif->type; ah->imask &= ~ATH9K_INT_SWBA; ah->imask &= ~ATH9K_INT_TSFOOR; - ah->slottime = ATH9K_SLOT_TIME_9; + ah->slottime = 9; ath_hw_setbssidmask(common); ath9k_hw_setopmode(ah); @@ -1086,7 +1104,6 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); struct ath9k_vif_iter_data iter_data; - struct ath_beacon_config *cur_conf; ath_chanctx_check_active(sc, ctx); @@ -1108,13 +1125,12 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, ath_hw_setbssidmask(common); if (iter_data.naps > 0) { - cur_conf = &ctx->beacon; ath9k_hw_set_tsfadjust(ah, true); ah->opmode = NL80211_IFTYPE_AP; - if (cur_conf->enable_beacon) - iter_data.beacons = true; } else { ath9k_hw_set_tsfadjust(ah, false); + if (iter_data.beacons) + ath9k_beacon_ensure_primary_slot(sc); if (iter_data.nmeshes) ah->opmode = NL80211_IFTYPE_MESH_POINT; @@ -1139,11 +1155,11 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, ctx->switch_after_beacon = true; } - ah->imask &= ~ATH9K_INT_SWBA; if (ah->opmode == NL80211_IFTYPE_STATION) { bool changed = (iter_data.primary_sta != ctx->primary_sta); if (iter_data.primary_sta) { + iter_data.primary_beacon_vif = iter_data.primary_sta; iter_data.beacons = true; ath9k_set_assoc_state(sc, iter_data.primary_sta, changed); @@ -1156,16 +1172,12 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, if (ath9k_hw_mci_is_enabled(sc->sc_ah)) ath9k_mci_update_wlan_channels(sc, true); } - } else if (iter_data.beacons) { - ah->imask |= ATH9K_INT_SWBA; } + sc->nbcnvifs = iter_data.nbcnvifs; + ath9k_beacon_config(sc, iter_data.primary_beacon_vif, + iter_data.beacons); ath9k_hw_set_interrupts(ah); - if (iter_data.beacons) - set_bit(ATH_OP_BEACONS, &common->op_flags); - else - clear_bit(ATH_OP_BEACONS, &common->op_flags); - if (ah->slottime != iter_data.slottime) { ah->slottime = iter_data.slottime; ath9k_hw_init_global_settings(ah); @@ -1244,7 +1256,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw, mutex_lock(&sc->mutex); - if (config_enabled(CONFIG_ATH9K_TX99)) { + if (IS_ENABLED(CONFIG_ATH9K_TX99)) { if (sc->cur_chan->nvifs >= 1) { mutex_unlock(&sc->mutex); return -EOPNOTSUPP; @@ -1294,7 +1306,7 @@ static int ath9k_change_interface(struct ieee80211_hw *hw, mutex_lock(&sc->mutex); - if (config_enabled(CONFIG_ATH9K_TX99)) { + if (IS_ENABLED(CONFIG_ATH9K_TX99)) { mutex_unlock(&sc->mutex); return -EOPNOTSUPP; } @@ -1354,7 +1366,7 @@ static void ath9k_enable_ps(struct ath_softc *sc) struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); - if (config_enabled(CONFIG_ATH9K_TX99)) + if (IS_ENABLED(CONFIG_ATH9K_TX99)) return; sc->ps_enabled = true; @@ -1373,7 +1385,7 @@ static void ath9k_disable_ps(struct ath_softc *sc) struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); - if (config_enabled(CONFIG_ATH9K_TX99)) + if (IS_ENABLED(CONFIG_ATH9K_TX99)) return; sc->ps_enabled = false; @@ -1782,9 +1794,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, if ((changed & BSS_CHANGED_BEACON_ENABLED) || (changed & BSS_CHANGED_BEACON_INT) || (changed & BSS_CHANGED_BEACON_INFO)) { - ath9k_beacon_config(sc, vif, changed); - if (changed & BSS_CHANGED_BEACON_ENABLED) - ath9k_calculate_summary_state(sc, avp->chanctx); + ath9k_calculate_summary_state(sc, avp->chanctx); } if ((avp->chanctx == sc->cur_chan) && @@ -1793,6 +1803,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, slottime = 9; else slottime = 20; + if (vif->type == NL80211_IFTYPE_AP) { /* * Defer update, so that connected stations can adjust @@ -1828,11 +1839,19 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, static u64 ath9k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct ath_softc *sc = hw->priv; + struct ath_vif *avp = (void *)vif->drv_priv; u64 tsf; mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - tsf = ath9k_hw_gettsf64(sc->sc_ah); + /* Get current TSF either from HW or kernel time. */ + if (sc->cur_chan == avp->chanctx) { + tsf = ath9k_hw_gettsf64(sc->sc_ah); + } else { + tsf = sc->cur_chan->tsf_val + + ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts, NULL); + } + tsf += le64_to_cpu(avp->tsf_adjust); ath9k_ps_restore(sc); mutex_unlock(&sc->mutex); @@ -1844,10 +1863,15 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf) { struct ath_softc *sc = hw->priv; + struct ath_vif *avp = (void *)vif->drv_priv; mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - ath9k_hw_settsf64(sc->sc_ah, tsf); + tsf -= le64_to_cpu(avp->tsf_adjust); + getrawmonotonic(&avp->chanctx->tsf_ts); + if (sc->cur_chan == avp->chanctx) + ath9k_hw_settsf64(sc->sc_ah, tsf); + avp->chanctx->tsf_val = tsf; ath9k_ps_restore(sc); mutex_unlock(&sc->mutex); } @@ -1855,11 +1879,15 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw, static void ath9k_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct ath_softc *sc = hw->priv; + struct ath_vif *avp = (void *)vif->drv_priv; mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - ath9k_hw_reset_tsf(sc->sc_ah); + getrawmonotonic(&avp->chanctx->tsf_ts); + if (sc->cur_chan == avp->chanctx) + ath9k_hw_reset_tsf(sc->sc_ah); + avp->chanctx->tsf_val = 0; ath9k_ps_restore(sc); mutex_unlock(&sc->mutex); @@ -1931,7 +1959,7 @@ static int ath9k_get_survey(struct ieee80211_hw *hw, int idx, struct ieee80211_channel *chan; int pos; - if (config_enabled(CONFIG_ATH9K_TX99)) + if (IS_ENABLED(CONFIG_ATH9K_TX99)) return -EOPNOTSUPP; spin_lock_bh(&common->cc_lock); @@ -1981,7 +2009,7 @@ static void ath9k_set_coverage_class(struct ieee80211_hw *hw, struct ath_softc *sc = hw->priv; struct ath_hw *ah = sc->sc_ah; - if (config_enabled(CONFIG_ATH9K_TX99)) + if (IS_ENABLED(CONFIG_ATH9K_TX99)) return; mutex_lock(&sc->mutex); |