X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fath%2Fath5k%2Fbase.c;h=dce848f76d7cab3f5020d8dea53e0178a7c5b83e;hb=951cc93a7493a81a47e20231441bc6cf17c98a37;hp=b6c5d3715b963e73f6b962070f6e78256449d107;hpb=01eff85b094044c72c9dcbbc16f6cdb0a6757c3f;p=pandora-kernel.git diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index b6c5d3715b96..dce848f76d7c 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -42,6 +42,7 @@ #include #include +#include #include #include #include @@ -87,8 +88,6 @@ MODULE_LICENSE("Dual BSD/GPL"); static int ath5k_init(struct ieee80211_hw *hw); static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan, bool skip_pcu); -int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf); /* Known SREVs */ static const struct ath5k_srev_name srev_names[] = { @@ -533,7 +532,7 @@ ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, if (iter_data.n_stas > 1) { /* If you have multiple STA interfaces connected to * different APs, ARPs are not received (most of the time?) - * Enabling PROMISC appears to fix that probem. + * Enabling PROMISC appears to fix that problem. */ sc->filter_flags |= AR5K_RX_FILTER_PROM; } @@ -816,8 +815,7 @@ ath5k_desc_alloc(struct ath5k_softc *sc) INIT_LIST_HEAD(&sc->txbuf); sc->txbuf_len = ATH_TXBUF; - for (i = 0; i < ATH_TXBUF; i++, bf++, ds++, - da += sizeof(*ds)) { + for (i = 0; i < ATH_TXBUF; i++, bf++, ds++, da += sizeof(*ds)) { bf->desc = ds; bf->daddr = da; list_add_tail(&bf->list, &sc->txbuf); @@ -983,7 +981,7 @@ ath5k_beaconq_config(struct ath5k_softc *sc) goto err; if (sc->opmode == NL80211_IFTYPE_AP || - sc->opmode == NL80211_IFTYPE_MESH_POINT) { + sc->opmode == NL80211_IFTYPE_MESH_POINT) { /* * Always burst out beacon and CAB traffic * (aifs = cwmin = cwmax = 0) @@ -1263,16 +1261,15 @@ ath5k_update_beacon_rssi(struct ath5k_softc *sc, struct sk_buff *skb, int rssi) */ static int ath5k_common_padpos(struct sk_buff *skb) { - struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; __le16 frame_control = hdr->frame_control; int padpos = 24; - if (ieee80211_has_a4(frame_control)) { + if (ieee80211_has_a4(frame_control)) padpos += ETH_ALEN; - } - if (ieee80211_is_data_qos(frame_control)) { + + if (ieee80211_is_data_qos(frame_control)) padpos += IEEE80211_QOS_CTL_LEN; - } return padpos; } @@ -1286,13 +1283,13 @@ static int ath5k_add_padding(struct sk_buff *skb) int padpos = ath5k_common_padpos(skb); int padsize = padpos & 3; - if (padsize && skb->len>padpos) { + if (padsize && skb->len > padpos) { if (skb_headroom(skb) < padsize) return -1; skb_push(skb, padsize); - memmove(skb->data, skb->data+padsize, padpos); + memmove(skb->data, skb->data + padsize, padpos); return padsize; } @@ -1317,7 +1314,7 @@ static int ath5k_remove_padding(struct sk_buff *skb) int padpos = ath5k_common_padpos(skb); int padsize = padpos & 3; - if (padsize && skb->len>=padpos+padsize) { + if (padsize && skb->len >= padpos + padsize) { memmove(skb->data + padsize, skb->data, padpos); skb_pull(skb, padsize); return padsize; @@ -1353,7 +1350,7 @@ ath5k_receive_frame(struct ath5k_softc *sc, struct sk_buff *skb, * timestamp (beginning of phy frame, data frame, end of rx?). * The only thing we know is that it is hardware specific... * On AR5213 it seems the rx timestamp is at the end of the - * frame, but i'm not sure. + * frame, but I'm not sure. * * NOTE: mac80211 defines mactime at the beginning of the first * data symbol. Since we don't have any time references it's @@ -1451,10 +1448,11 @@ ath5k_receive_frame_ok(struct ath5k_softc *sc, struct ath5k_rx_status *rs) static void ath5k_set_current_imask(struct ath5k_softc *sc) { - enum ath5k_int imask = sc->imask; + enum ath5k_int imask; unsigned long flags; spin_lock_irqsave(&sc->irqlock, flags); + imask = sc->imask; if (sc->rx_pending) imask &= ~AR5K_INT_RX_ALL; if (sc->tx_pending) @@ -1557,7 +1555,8 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, goto drop_packet; } - if (txq->txq_len >= txq->txq_max) + if (txq->txq_len >= txq->txq_max && + txq->qnum <= AR5K_TX_QUEUE_ID_DATA_MAX) ieee80211_stop_queue(hw, txq->qnum); spin_lock_irqsave(&sc->txbuflock, flags); @@ -1712,7 +1711,7 @@ ath5k_tasklet_tx(unsigned long data) int i; struct ath5k_softc *sc = (void *)data; - for (i=0; i < AR5K_NUM_TX_QUEUES; i++) + for (i = 0; i < AR5K_NUM_TX_QUEUES; i++) if (sc->txqs[i].setup && (sc->ah->ah_txq_isr & BIT(i))) ath5k_tx_processq(sc, &sc->txqs[i]); @@ -1767,7 +1766,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) * 4 beacons to make sure everybody hears our AP. * When a client tries to associate, hw will keep * track of the tx antenna to be used for this client - * automaticaly, based on ACKed packets. + * automatically, based on ACKed packets. * * Note: AP still listens and transmits RTS on the * default antenna which is supposed to be an omni. @@ -1903,7 +1902,7 @@ ath5k_beacon_send(struct ath5k_softc *sc) avf = (void *)vif->drv_priv; bf = avf->bbuf; if (unlikely(bf->skb == NULL || sc->opmode == NL80211_IFTYPE_STATION || - sc->opmode == NL80211_IFTYPE_MONITOR)) { + sc->opmode == NL80211_IFTYPE_MONITOR)) { ATH5K_WARN(sc, "bf=%p bf_skb=%p\n", bf, bf ? bf->skb : NULL); return; } @@ -1920,7 +1919,7 @@ ath5k_beacon_send(struct ath5k_softc *sc) /* refresh the beacon for AP or MESH mode */ if (sc->opmode == NL80211_IFTYPE_AP || - sc->opmode == NL80211_IFTYPE_MESH_POINT) + sc->opmode == NL80211_IFTYPE_MESH_POINT) ath5k_beacon_update(sc->hw, vif); trace_ath5k_tx(sc, bf->skb, &sc->txqs[sc->bhalq]); @@ -1933,6 +1932,10 @@ ath5k_beacon_send(struct ath5k_softc *sc) skb = ieee80211_get_buffered_bc(sc->hw, vif); while (skb) { ath5k_tx_queue(sc->hw, skb, sc->cabq); + + if (sc->cabq->txq_len >= sc->cabq->txq_max) + break; + skb = ieee80211_get_buffered_bc(sc->hw, vif); } @@ -1979,7 +1982,7 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf) hw_tsf = ath5k_hw_get_tsf64(ah); hw_tu = TSF_TO_TU(hw_tsf); -#define FUDGE AR5K_TUNE_SW_BEACON_RESP + 3 +#define FUDGE (AR5K_TUNE_SW_BEACON_RESP + 3) /* We use FUDGE to make sure the next TBTT is ahead of the current TU. * Since we later subtract AR5K_TUNE_SW_BEACON_RESP (10) in the timer * configuration we need to make sure it is bigger than that. */ @@ -2102,11 +2105,11 @@ static void ath5k_tasklet_beacon(unsigned long data) * * In IBSS mode we use this interrupt just to * keep track of the next TBTT (target beacon - * transmission time) in order to detect wether + * transmission time) in order to detect whether * automatic TSF updates happened. */ if (sc->opmode == NL80211_IFTYPE_ADHOC) { - /* XXX: only if VEOL suppported */ + /* XXX: only if VEOL supported */ u64 tsf = ath5k_hw_get_tsf64(sc->ah); sc->nexttbtt += sc->bintval; ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, @@ -2161,7 +2164,7 @@ ath5k_schedule_tx(struct ath5k_softc *sc) tasklet_schedule(&sc->txtq); } -irqreturn_t +static irqreturn_t ath5k_intr(int irq, void *dev_id) { struct ath5k_softc *sc = dev_id; @@ -2201,13 +2204,12 @@ ath5k_intr(int irq, void *dev_id) ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "rx overrun, resetting\n"); ieee80211_queue_work(sc->hw, &sc->reset_work); - } - else + } else ath5k_schedule_rx(sc); } else { - if (status & AR5K_INT_SWBA) { + if (status & AR5K_INT_SWBA) tasklet_hi_schedule(&sc->beacontq); - } + if (status & AR5K_INT_RXEOL) { /* * NB: the hardware should re-read the link when @@ -2359,7 +2361,7 @@ ath5k_tx_complete_poll_work(struct work_struct *work) * Initialization routines * \*************************/ -int +int __devinit ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops) { struct ieee80211_hw *hw = sc->hw; @@ -2424,6 +2426,7 @@ ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops) common->ah = sc->ah; common->hw = hw; common->priv = sc; + common->clockrate = 40; /* * Cache line size is used to size and align various @@ -2470,7 +2473,7 @@ ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops) sc->ah->ah_radio_5ghz_revision), sc->ah->ah_radio_5ghz_revision); /* No 2GHz support (5110 and some - * 5Ghz only cards) -> report 5Ghz radio */ + * 5GHz only cards) -> report 5GHz radio */ } else if (!test_bit(AR5K_MODE_11B, sc->ah->ah_capabilities.cap_mode)) { ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n", @@ -2489,7 +2492,7 @@ ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops) /* Multi chip radio (RF5111 - RF2111) -> * report both 2GHz/5GHz radios */ else if (sc->ah->ah_radio_5ghz_revision && - sc->ah->ah_radio_2ghz_revision){ + sc->ah->ah_radio_2ghz_revision) { ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n", ath5k_chip_name(AR5K_VERSION_RAD, sc->ah->ah_radio_5ghz_revision), @@ -2615,7 +2618,7 @@ done: return ret; } -static void stop_tasklets(struct ath5k_softc *sc) +static void ath5k_stop_tasklets(struct ath5k_softc *sc) { sc->rx_pending = false; sc->tx_pending = false; @@ -2669,7 +2672,7 @@ ath5k_stop_hw(struct ath5k_softc *sc) mmiowb(); mutex_unlock(&sc->lock); - stop_tasklets(sc); + ath5k_stop_tasklets(sc); cancel_delayed_work_sync(&sc->tx_complete_work); @@ -2697,7 +2700,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan, ath5k_hw_set_imr(ah, 0); synchronize_irq(sc->irq); - stop_tasklets(sc); + ath5k_stop_tasklets(sc); /* Save ani mode and disable ANI during * reset. If we don't we might get false @@ -2714,8 +2717,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan, fast = ((chan != NULL) && modparam_fastchanswitch) ? 1 : 0; - ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, fast, - skip_pcu); + ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, fast, skip_pcu); if (ret) { ATH5K_ERR(sc, "can't reset hardware (%d)\n", ret); goto err; @@ -2729,7 +2731,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan, ath5k_ani_init(ah, ani_mode); - ah->ah_cal_next_full = jiffies; + ah->ah_cal_next_full = jiffies + msecs_to_jiffies(100); ah->ah_cal_next_ani = jiffies; ah->ah_cal_next_nf = jiffies; ewma_init(&ah->ah_beacon_rssi_avg, 1024, 8); @@ -2773,7 +2775,7 @@ static void ath5k_reset_work(struct work_struct *work) mutex_unlock(&sc->lock); } -static int +static int __devinit ath5k_init(struct ieee80211_hw *hw) { @@ -2801,7 +2803,7 @@ ath5k_init(struct ieee80211_hw *hw) /* * Collect the channel list. The 802.11 layer - * is resposible for filtering this list based + * is responsible for filtering this list based * on settings like the phy mode and regulatory * domain restrictions. */ @@ -2962,11 +2964,12 @@ ath5k_deinit_softc(struct ath5k_softc *sc) * state and potentially want to use them. */ ath5k_hw_deinit(sc->ah); + kfree(sc->ah); free_irq(sc->irq, sc); } bool -ath_any_vif_assoc(struct ath5k_softc *sc) +ath5k_any_vif_assoc(struct ath5k_softc *sc) { struct ath5k_vif_iter_data iter_data; iter_data.hw_macaddr = NULL; @@ -2980,7 +2983,7 @@ ath_any_vif_assoc(struct ath5k_softc *sc) } void -set_beacon_filter(struct ieee80211_hw *hw, bool enable) +ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable) { struct ath5k_softc *sc = hw->priv; struct ath5k_hw *ah = sc->ah;