diff options
Diffstat (limited to 'drivers/net/wireless/ath5k/base.c')
-rw-r--r-- | drivers/net/wireless/ath5k/base.c | 493 |
1 files changed, 243 insertions, 250 deletions
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 635b9ac9aaa..0676c6d8438 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -40,10 +40,11 @@ * */ -#include <linux/version.h> #include <linux/module.h> #include <linux/delay.h> +#include <linux/hardirq.h> #include <linux/if.h> +#include <linux/io.h> #include <linux/netdevice.h> #include <linux/cache.h> #include <linux/pci.h> @@ -58,11 +59,6 @@ #include "reg.h" #include "debug.h" -enum { - ATH_LED_TX, - ATH_LED_RX, -}; - static int ath5k_calinterval = 10; /* Calibrate PHY every 10 secs (TODO: Fixme) */ @@ -98,8 +94,6 @@ static struct pci_device_id ath5k_pci_id_table[] __devinitdata = { { PCI_VDEVICE(ATHEROS, 0x001a), .driver_data = AR5K_AR5212 }, /* 2413 Griffin-lite */ { PCI_VDEVICE(ATHEROS, 0x001b), .driver_data = AR5K_AR5212 }, /* 5413 Eagle */ { PCI_VDEVICE(ATHEROS, 0x001c), .driver_data = AR5K_AR5212 }, /* 5424 Condor (PCI-E)*/ - { PCI_VDEVICE(ATHEROS, 0x0023), .driver_data = AR5K_AR5212 }, /* 5416 */ - { PCI_VDEVICE(ATHEROS, 0x0024), .driver_data = AR5K_AR5212 }, /* 5418 */ { 0 } }; MODULE_DEVICE_TABLE(pci, ath5k_pci_id_table); @@ -167,8 +161,7 @@ static struct pci_driver ath5k_pci_driver = { /* * Prototypes - MAC 802.11 stack related functions */ -static int ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_tx_control *ctl); +static int ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb); static int ath5k_reset(struct ieee80211_hw *hw); static int ath5k_start(struct ieee80211_hw *hw); static void ath5k_stop(struct ieee80211_hw *hw); @@ -196,8 +189,7 @@ static int ath5k_get_tx_stats(struct ieee80211_hw *hw, static u64 ath5k_get_tsf(struct ieee80211_hw *hw); static void ath5k_reset_tsf(struct ieee80211_hw *hw); static int ath5k_beacon_update(struct ieee80211_hw *hw, - struct sk_buff *skb, - struct ieee80211_tx_control *ctl); + struct sk_buff *skb); static struct ieee80211_ops ath5k_hw_ops = { .tx = ath5k_tx, @@ -214,7 +206,6 @@ static struct ieee80211_ops ath5k_hw_ops = { .get_tx_stats = ath5k_get_tx_stats, .get_tsf = ath5k_get_tsf, .reset_tsf = ath5k_reset_tsf, - .beacon_update = ath5k_beacon_update, }; /* @@ -251,9 +242,7 @@ static void ath5k_desc_free(struct ath5k_softc *sc, static int ath5k_rxbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf); static int ath5k_txbuf_setup(struct ath5k_softc *sc, - struct ath5k_buf *bf, - struct ieee80211_tx_control *ctl); - + struct ath5k_buf *bf); static inline void ath5k_txbuf_free(struct ath5k_softc *sc, struct ath5k_buf *bf) { @@ -262,7 +251,7 @@ static inline void ath5k_txbuf_free(struct ath5k_softc *sc, return; pci_unmap_single(sc->pdev, bf->skbaddr, bf->skb->len, PCI_DMA_TODEVICE); - dev_kfree_skb(bf->skb); + dev_kfree_skb_any(bf->skb); bf->skb = NULL; } @@ -289,8 +278,7 @@ static void ath5k_tx_processq(struct ath5k_softc *sc, static void ath5k_tasklet_tx(unsigned long data); /* Beacon handling */ static int ath5k_beacon_setup(struct ath5k_softc *sc, - struct ath5k_buf *bf, - struct ieee80211_tx_control *ctl); + struct ath5k_buf *bf); static void ath5k_beacon_send(struct ath5k_softc *sc); static void ath5k_beacon_config(struct ath5k_softc *sc); static void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf); @@ -314,13 +302,10 @@ static void ath5k_tasklet_reset(unsigned long data); static void ath5k_calibrate(unsigned long data); /* LED functions */ -static void ath5k_led_off(unsigned long data); -static void ath5k_led_blink(struct ath5k_softc *sc, - unsigned int on, - unsigned int off); -static void ath5k_led_event(struct ath5k_softc *sc, - int event); - +static int ath5k_init_leds(struct ath5k_softc *sc); +static void ath5k_led_enable(struct ath5k_softc *sc); +static void ath5k_led_off(struct ath5k_softc *sc); +static void ath5k_unregister_leds(struct ath5k_softc *sc); /* * Module init/exit functions @@ -458,13 +443,11 @@ ath5k_pci_probe(struct pci_dev *pdev, /* Initialize driver private data */ SET_IEEE80211_DEV(hw, &pdev->dev); - hw->flags = IEEE80211_HW_RX_INCLUDES_FCS; + hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | + IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_NOISE_DBM; hw->extra_tx_headroom = 2; hw->channel_change_time = 5000; - /* these names are misleading */ - hw->max_rssi = -110; /* signal in dBm */ - hw->max_noise = -110; /* noise in dBm */ - hw->max_signal = 100; /* we will provide a percentage based on rssi */ sc = hw->priv; sc->hw = hw; sc->pdev = pdev; @@ -483,13 +466,11 @@ ath5k_pci_probe(struct pci_dev *pdev, mutex_init(&sc->lock); spin_lock_init(&sc->rxbuflock); spin_lock_init(&sc->txbuflock); + spin_lock_init(&sc->block); /* Set private data */ pci_set_drvdata(pdev, hw); - /* Enable msi for devices that support it */ - pci_enable_msi(pdev); - /* Setup interrupt handler */ ret = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc); if (ret) { @@ -567,7 +548,6 @@ err_ah: err_irq: free_irq(pdev->irq, sc); err_free: - pci_disable_msi(pdev); ieee80211_free_hw(hw); err_map: pci_iounmap(pdev, mem); @@ -589,7 +569,6 @@ ath5k_pci_remove(struct pci_dev *pdev) ath5k_detach(pdev, hw); ath5k_hw_detach(sc->ah); free_irq(pdev->irq, sc); - pci_disable_msi(pdev); pci_iounmap(pdev, sc->iobase); pci_release_region(pdev, 0); pci_disable_device(pdev); @@ -603,10 +582,11 @@ ath5k_pci_suspend(struct pci_dev *pdev, pm_message_t state) struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct ath5k_softc *sc = hw->priv; - if (test_bit(ATH_STAT_LEDSOFT, sc->status)) - ath5k_hw_set_gpio(sc->ah, sc->led_pin, 1); + ath5k_led_off(sc); ath5k_stop_hw(sc); + + free_irq(pdev->irq, sc); pci_save_state(pdev); pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); @@ -622,15 +602,12 @@ ath5k_pci_resume(struct pci_dev *pdev) struct ath5k_hw *ah = sc->ah; int i, err; - err = pci_set_power_state(pdev, PCI_D0); - if (err) - return err; + pci_restore_state(pdev); err = pci_enable_device(pdev); if (err) return err; - pci_restore_state(pdev); /* * Suspend/Resume resets the PCI configuration space, so we have to * re-disable the RETRY_TIMEOUT register (0x41) to keep @@ -638,12 +615,17 @@ ath5k_pci_resume(struct pci_dev *pdev) */ pci_write_config_byte(pdev, 0x41, 0); - ath5k_init(sc); - if (test_bit(ATH_STAT_LEDSOFT, sc->status)) { - ath5k_hw_set_gpio_output(ah, sc->led_pin); - ath5k_hw_set_gpio(ah, sc->led_pin, 0); + err = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc); + if (err) { + ATH5K_ERR(sc, "request_irq failed\n"); + goto err_no_irq; } + err = ath5k_init(sc); + if (err) + goto err_irq; + ath5k_led_enable(sc); + /* * Reset the key cache since some parts do not * reset the contents on initial power up or resume. @@ -655,6 +637,11 @@ ath5k_pci_resume(struct pci_dev *pdev) ath5k_hw_reset_key(ah, i); return 0; +err_irq: + free_irq(pdev->irq, sc); +err_no_irq: + pci_disable_device(pdev); + return err; } #endif /* CONFIG_PM */ @@ -749,27 +736,6 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw) tasklet_init(&sc->txtq, ath5k_tasklet_tx, (unsigned long)sc); tasklet_init(&sc->restq, ath5k_tasklet_reset, (unsigned long)sc); setup_timer(&sc->calib_tim, ath5k_calibrate, (unsigned long)sc); - setup_timer(&sc->led_tim, ath5k_led_off, (unsigned long)sc); - - sc->led_on = 0; /* low true */ - /* - * Auto-enable soft led processing for IBM cards and for - * 5211 minipci cards. - */ - if (pdev->device == PCI_DEVICE_ID_ATHEROS_AR5212_IBM || - pdev->device == PCI_DEVICE_ID_ATHEROS_AR5211) { - __set_bit(ATH_STAT_LEDSOFT, sc->status); - sc->led_pin = 0; - } - /* Enable softled on PIN1 on HP Compaq nc6xx, nc4000 & nx5000 laptops */ - if (pdev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ) { - __set_bit(ATH_STAT_LEDSOFT, sc->status); - sc->led_pin = 0; - } - if (test_bit(ATH_STAT_LEDSOFT, sc->status)) { - ath5k_hw_set_gpio_output(ah, sc->led_pin); - ath5k_hw_set_gpio(ah, sc->led_pin, !sc->led_on); - } ath5k_hw_get_lladdr(ah, mac); SET_IEEE80211_PERM_ADDR(hw, mac); @@ -783,6 +749,8 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw) goto err_queues; } + ath5k_init_leds(sc); + return 0; err_queues: ath5k_txq_release(sc); @@ -816,6 +784,7 @@ ath5k_detach(struct pci_dev *pdev, struct ieee80211_hw *hw) ath5k_desc_free(sc, pdev); ath5k_txq_release(sc); ath5k_hw_release_tx_queue(sc->ah, sc->bhalq); + ath5k_unregister_leds(sc); /* * NB: can't reclaim these until after ieee80211_ifdetach @@ -1067,65 +1036,9 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan) return 0; } -/* - * TODO: CLEAN THIS !!! - */ static void ath5k_setcurmode(struct ath5k_softc *sc, unsigned int mode) { - if (unlikely(test_bit(ATH_STAT_LEDSOFT, sc->status))) { - /* from Atheros NDIS driver, w/ permission */ - static const struct { - u16 rate; /* tx/rx 802.11 rate */ - u16 timeOn; /* LED on time (ms) */ - u16 timeOff; /* LED off time (ms) */ - } blinkrates[] = { - { 108, 40, 10 }, - { 96, 44, 11 }, - { 72, 50, 13 }, - { 48, 57, 14 }, - { 36, 67, 16 }, - { 24, 80, 20 }, - { 22, 100, 25 }, - { 18, 133, 34 }, - { 12, 160, 40 }, - { 10, 200, 50 }, - { 6, 240, 58 }, - { 4, 267, 66 }, - { 2, 400, 100 }, - { 0, 500, 130 } - }; - const struct ath5k_rate_table *rt = - ath5k_hw_get_rate_table(sc->ah, mode); - unsigned int i, j; - - BUG_ON(rt == NULL); - - memset(sc->hwmap, 0, sizeof(sc->hwmap)); - for (i = 0; i < 32; i++) { - u8 ix = rt->rate_code_to_index[i]; - if (ix == 0xff) { - sc->hwmap[i].ledon = msecs_to_jiffies(500); - sc->hwmap[i].ledoff = msecs_to_jiffies(130); - continue; - } - sc->hwmap[i].txflags = IEEE80211_RADIOTAP_F_DATAPAD; - /* receive frames include FCS */ - sc->hwmap[i].rxflags = sc->hwmap[i].txflags | - IEEE80211_RADIOTAP_F_FCS; - /* setup blink rate table to avoid per-packet lookup */ - for (j = 0; j < ARRAY_SIZE(blinkrates) - 1; j++) - if (blinkrates[j].rate == /* XXX why 7f? */ - (rt->rates[ix].dot11_rate&0x7f)) - break; - - sc->hwmap[i].ledon = msecs_to_jiffies(blinkrates[j]. - timeOn); - sc->hwmap[i].ledoff = msecs_to_jiffies(blinkrates[j]. - timeOff); - } - } - sc->curmode = mode; if (mode == AR5K_MODE_11A) { @@ -1260,7 +1173,7 @@ ath5k_rxbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) bf->skb = skb; bf->skbaddr = pci_map_single(sc->pdev, skb->data, sc->rxbufsize, PCI_DMA_FROMDEVICE); - if (unlikely(pci_dma_mapping_error(bf->skbaddr))) { + if (unlikely(pci_dma_mapping_error(sc->pdev, bf->skbaddr))) { ATH5K_ERR(sc, "%s: DMA mapping failed\n", __func__); dev_kfree_skb(skb); bf->skb = NULL; @@ -1297,36 +1210,36 @@ ath5k_rxbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) } static int -ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, - struct ieee80211_tx_control *ctl) +ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) { struct ath5k_hw *ah = sc->ah; struct ath5k_txq *txq = sc->txq; struct ath5k_desc *ds = bf->desc; struct sk_buff *skb = bf->skb; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); unsigned int pktlen, flags, keyidx = AR5K_TXKEYIX_INVALID; int ret; flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK; - bf->ctl = *ctl; + /* XXX endianness */ bf->skbaddr = pci_map_single(sc->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); - if (ctl->flags & IEEE80211_TXCTL_NO_ACK) + if (info->flags & IEEE80211_TX_CTL_NO_ACK) flags |= AR5K_TXDESC_NOACK; pktlen = skb->len; - if (!(ctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) { - keyidx = ctl->key_idx; - pktlen += ctl->icv_len; + if (info->control.hw_key) { + keyidx = info->control.hw_key->hw_key_idx; + pktlen += info->control.icv_len; } - ret = ah->ah_setup_tx_desc(ah, ds, pktlen, ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL, - (sc->power_level * 2), ctl->tx_rate->hw_value, - ctl->retry_limit, keyidx, 0, flags, 0, 0); + (sc->power_level * 2), + ieee80211_get_tx_rate(sc->hw, info)->hw_value, + info->control.retry_limit, keyidx, 0, flags, 0, 0); if (ret) goto err_unmap; @@ -1335,7 +1248,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, spin_lock_bh(&txq->lock); list_add_tail(&bf->list, &txq->q); - sc->tx_stats.data[txq->qnum].len++; + sc->tx_stats[txq->qnum].len++; if (txq->link == NULL) /* is this first packet? */ ath5k_hw_put_tx_buf(ah, txq->qnum, bf->daddr); else /* no, so only link it */ @@ -1343,6 +1256,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, txq->link = &ds->ds_link; ath5k_hw_tx_start(ah, txq->qnum); + mmiowb(); spin_unlock_bh(&txq->lock); return 0; @@ -1566,7 +1480,7 @@ ath5k_txq_drainq(struct ath5k_softc *sc, struct ath5k_txq *txq) ath5k_txbuf_free(sc, bf); spin_lock_bh(&sc->txbuflock); - sc->tx_stats.data[txq->qnum].len--; + sc->tx_stats[txq->qnum].len--; list_move_tail(&bf->list, &sc->txbuf); sc->txbuf_len++; spin_unlock_bh(&sc->txbuflock); @@ -1601,7 +1515,7 @@ ath5k_txq_cleanup(struct ath5k_softc *sc) sc->txqs[i].link); } } - ieee80211_start_queues(sc->hw); /* XXX move to callers */ + ieee80211_wake_queues(sc->hw); /* XXX move to callers */ for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) if (sc->txqs[i].setup) @@ -1677,7 +1591,6 @@ ath5k_rx_stop(struct ath5k_softc *sc) ath5k_hw_stop_pcu_recv(ah); /* disable PCU */ ath5k_hw_set_rx_filter(ah, 0); /* clear recv filter */ ath5k_hw_stop_rx_dma(ah); /* disable DMA engine */ - mdelay(3); /* 3ms is long enough for 1 frame */ ath5k_debug_printrxbuffs(sc, ah); @@ -1698,9 +1611,9 @@ ath5k_rx_decrypted(struct ath5k_softc *sc, struct ath5k_desc *ds, /* Apparently when a default key is used to decrypt the packet the hw does not set the index used to decrypt. In such cases get the index from the packet. */ - if ((le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_PROTECTED) && - !(rs->rs_status & AR5K_RXERR_DECRYPT) && - skb->len >= hlen + 4) { + if (ieee80211_has_protected(hdr->frame_control) && + !(rs->rs_status & AR5K_RXERR_DECRYPT) && + skb->len >= hlen + 4) { keyix = skb->data[hlen + 3] >> 6; if (test_bit(keyix, sc->keymap)) @@ -1719,10 +1632,7 @@ ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb, u32 hw_tu; struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; - if ((le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_FTYPE) == - IEEE80211_FTYPE_MGMT && - (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) == - IEEE80211_STYPE_BEACON && + if (ieee80211_is_beacon(mgmt->frame_control) && le16_to_cpu(mgmt->u.beacon.capab_info) & WLAN_CAPABILITY_IBSS && memcmp(mgmt->bssid, sc->ah->ah_bssid, ETH_ALEN) == 0) { /* @@ -1779,31 +1689,44 @@ ath5k_tasklet_rx(unsigned long data) struct ath5k_rx_status rs = {}; struct sk_buff *skb; struct ath5k_softc *sc = (void *)data; - struct ath5k_buf *bf; + struct ath5k_buf *bf, *bf_last; struct ath5k_desc *ds; int ret; int hdrlen; int pad; spin_lock(&sc->rxbuflock); + if (list_empty(&sc->rxbuf)) { + ATH5K_WARN(sc, "empty rx buf pool\n"); + goto unlock; + } + bf_last = list_entry(sc->rxbuf.prev, struct ath5k_buf, list); do { rxs.flag = 0; - if (unlikely(list_empty(&sc->rxbuf))) { - ATH5K_WARN(sc, "empty rx buf pool\n"); - break; - } bf = list_first_entry(&sc->rxbuf, struct ath5k_buf, list); BUG_ON(bf->skb == NULL); skb = bf->skb; ds = bf->desc; - /* TODO only one segment */ - pci_dma_sync_single_for_cpu(sc->pdev, sc->desc_daddr, - sc->desc_len, PCI_DMA_FROMDEVICE); - - if (unlikely(ds->ds_link == bf->daddr)) /* this is the end */ - break; + /* + * last buffer must not be freed to ensure proper hardware + * function. When the hardware finishes also a packet next to + * it, we are sure, it doesn't use it anymore and we can go on. + */ + if (bf_last == bf) + bf->flags |= 1; + if (bf->flags) { + struct ath5k_buf *bf_next = list_entry(bf->list.next, + struct ath5k_buf, list); + ret = sc->ah->ah_proc_rx_desc(sc->ah, bf_next->desc, + &rs); + if (ret) + break; + bf->flags &= ~1; + /* skip the overwritten one (even status is martian) */ + goto next; + } ret = sc->ah->ah_proc_rx_desc(sc->ah, ds, &rs); if (unlikely(ret == -EINPROGRESS)) @@ -1849,8 +1772,6 @@ ath5k_tasklet_rx(unsigned long data) goto next; } accept: - pci_dma_sync_single_for_cpu(sc->pdev, bf->skbaddr, - rs.rs_datalen, PCI_DMA_FROMDEVICE); pci_unmap_single(sc->pdev, bf->skbaddr, sc->rxbufsize, PCI_DMA_FROMDEVICE); bf->skb = NULL; @@ -1895,20 +1816,9 @@ accept: rxs.freq = sc->curchan->center_freq; rxs.band = sc->curband->band; - /* - * signal quality: - * the names here are misleading and the usage of these - * values by iwconfig makes it even worse - */ - /* noise floor in dBm, from the last noise calibration */ rxs.noise = sc->ah->ah_noise_floor; - /* signal level in dBm */ - rxs.ssi = rxs.noise + rs.rs_rssi; - /* - * "signal" is actually displayed as Link Quality by iwconfig - * we provide a percentage based on rssi (assuming max rssi 64) - */ - rxs.signal = rs.rs_rssi * 100 / 64; + rxs.signal = rxs.noise + rs.rs_rssi; + rxs.qual = rs.rs_rssi * 100 / 64; rxs.antenna = rs.rs_antenna; rxs.rate_idx = ath5k_hw_to_driver_rix(sc, rs.rs_rate); @@ -1921,11 +1831,10 @@ accept: ath5k_check_ibss_tsf(sc, skb, &rxs); __ieee80211_rx(sc->hw, skb, &rxs); - sc->led_rxrate = rs.rs_rate; - ath5k_led_event(sc, ATH_LED_RX); next: list_move_tail(&bf->list, &sc->rxbuf); } while (ath5k_rxbuf_setup(sc, bf) == 0); +unlock: spin_unlock(&sc->rxbuflock); } @@ -1939,20 +1848,17 @@ next: static void ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq) { - struct ieee80211_tx_status txs = {}; struct ath5k_tx_status ts = {}; struct ath5k_buf *bf, *bf0; struct ath5k_desc *ds; struct sk_buff *skb; + struct ieee80211_tx_info *info; int ret; spin_lock(&txq->lock); list_for_each_entry_safe(bf, bf0, &txq->q, list) { ds = bf->desc; - /* TODO only one segment */ - pci_dma_sync_single_for_cpu(sc->pdev, sc->desc_daddr, - sc->desc_len, PCI_DMA_FROMDEVICE); ret = sc->ah->ah_proc_tx_desc(sc->ah, ds, &ts); if (unlikely(ret == -EINPROGRESS)) break; @@ -1963,28 +1869,29 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq) } skb = bf->skb; + info = IEEE80211_SKB_CB(skb); bf->skb = NULL; + pci_unmap_single(sc->pdev, bf->skbaddr, skb->len, PCI_DMA_TODEVICE); - txs.control = bf->ctl; - txs.retry_count = ts.ts_shortretry + ts.ts_longretry / 6; + info->status.retry_count = ts.ts_shortretry + ts.ts_longretry / 6; if (unlikely(ts.ts_status)) { sc->ll_stats.dot11ACKFailureCount++; if (ts.ts_status & AR5K_TXERR_XRETRY) - txs.excessive_retries = 1; + info->status.excessive_retries = 1; else if (ts.ts_status & AR5K_TXERR_FILT) - txs.flags |= IEEE80211_TX_STATUS_TX_FILTERED; + info->flags |= IEEE80211_TX_STAT_TX_FILTERED; } else { - txs.flags |= IEEE80211_TX_STATUS_ACK; - txs.ack_signal = ts.ts_rssi; + info->flags |= IEEE80211_TX_STAT_ACK; + info->status.ack_signal = ts.ts_rssi; } - ieee80211_tx_status(sc->hw, skb, &txs); - sc->tx_stats.data[txq->qnum].count++; + ieee80211_tx_status(sc->hw, skb); + sc->tx_stats[txq->qnum].count++; spin_lock(&sc->txbuflock); - sc->tx_stats.data[txq->qnum].len--; + sc->tx_stats[txq->qnum].len--; list_move_tail(&bf->list, &sc->txbuf); sc->txbuf_len++; spin_unlock(&sc->txbuflock); @@ -2002,13 +1909,9 @@ ath5k_tasklet_tx(unsigned long data) struct ath5k_softc *sc = (void *)data; ath5k_tx_processq(sc, sc->txq); - - ath5k_led_event(sc, ATH_LED_TX); } - - /*****************\ * Beacon handling * \*****************/ @@ -2017,10 +1920,10 @@ ath5k_tasklet_tx(unsigned long data) * Setup the beacon frame for transmit. */ static int -ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, - struct ieee80211_tx_control *ctl) +ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) { struct sk_buff *skb = bf->skb; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ath5k_hw *ah = sc->ah; struct ath5k_desc *ds; int ret, antenna = 0; @@ -2031,7 +1934,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "skb %p [data %p len %u] " "skbaddr %llx\n", skb, skb->data, skb->len, (unsigned long long)bf->skbaddr); - if (pci_dma_mapping_error(bf->skbaddr)) { + if (pci_dma_mapping_error(sc->pdev, bf->skbaddr)) { ATH5K_ERR(sc, "beacon DMA mapping failed\n"); return -EIO; } @@ -2059,7 +1962,8 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, ret = ah->ah_setup_tx_desc(ah, ds, skb->len, ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_BEACON, (sc->power_level * 2), - ctl->tx_rate->hw_value, 1, AR5K_TXKEYIX_INVALID, + ieee80211_get_tx_rate(sc->hw, info)->hw_value, + 1, AR5K_TXKEYIX_INVALID, antenna, flags, 0, 0); if (ret) goto err_unmap; @@ -2127,8 +2031,6 @@ ath5k_beacon_send(struct ath5k_softc *sc) ATH5K_WARN(sc, "beacon queue %u didn't stop?\n", sc->bhalq); /* NB: hw still stops DMA, so proceed */ } - pci_dma_sync_single_for_cpu(sc->pdev, bf->skbaddr, bf->skb->len, - PCI_DMA_TODEVICE); ath5k_hw_put_tx_buf(ah, sc->bhalq, bf->daddr); ath5k_hw_tx_start(ah, sc->bhalq); @@ -2262,6 +2164,7 @@ ath5k_beacon_config(struct ath5k_softc *sc) ath5k_hw_set_intr(ah, 0); sc->bmisscount = 0; + sc->imask &= ~(AR5K_INT_BMISS | AR5K_INT_SWBA); if (sc->opmode == IEEE80211_IF_TYPE_STA) { sc->imask |= AR5K_INT_BMISS; @@ -2277,8 +2180,11 @@ ath5k_beacon_config(struct ath5k_softc *sc) sc->imask |= AR5K_INT_SWBA; - if (ath5k_hw_hasveol(ah)) + if (ath5k_hw_hasveol(ah)) { + spin_lock(&sc->block); ath5k_beacon_send(sc); + spin_unlock(&sc->block); + } } /* TODO else AP */ @@ -2352,6 +2258,7 @@ ath5k_init(struct ath5k_softc *sc) ret = 0; done: + mmiowb(); mutex_unlock(&sc->lock); return ret; } @@ -2382,12 +2289,9 @@ ath5k_stop_locked(struct ath5k_softc *sc) ieee80211_stop_queues(sc->hw); if (!test_bit(ATH_STAT_INVALID, sc->status)) { - if (test_bit(ATH_STAT_LEDSOFT, sc->status)) { - del_timer_sync(&sc->led_tim); - ath5k_hw_set_gpio(ah, sc->led_pin, !sc->led_on); - __clear_bit(ATH_STAT_LEDBLINKING, sc->status); - } + ath5k_led_off(sc); ath5k_hw_set_intr(ah, 0); + synchronize_irq(sc->pdev->irq); } ath5k_txq_cleanup(sc); if (!test_bit(ATH_STAT_INVALID, sc->status)) { @@ -2437,9 +2341,13 @@ ath5k_stop_hw(struct ath5k_softc *sc) } } ath5k_txbuf_free(sc, sc->bbuf); + mmiowb(); mutex_unlock(&sc->lock); del_timer_sync(&sc->calib_tim); + tasklet_kill(&sc->rxtq); + tasklet_kill(&sc->txtq); + tasklet_kill(&sc->restq); return ret; } @@ -2499,7 +2407,9 @@ ath5k_intr(int irq, void *dev_id) TSF_TO_TU(tsf), (unsigned long long) tsf); } else { + spin_lock(&sc->block); ath5k_beacon_send(sc); + spin_unlock(&sc->block); } } if (status & AR5K_INT_RXEOL) { @@ -2582,54 +2492,123 @@ ath5k_calibrate(unsigned long data) \***************/ static void -ath5k_led_off(unsigned long data) +ath5k_led_enable(struct ath5k_softc *sc) { - struct ath5k_softc *sc = (void *)data; - - if (test_bit(ATH_STAT_LEDENDBLINK, sc->status)) - __clear_bit(ATH_STAT_LEDBLINKING, sc->status); - else { - __set_bit(ATH_STAT_LEDENDBLINK, sc->status); - ath5k_hw_set_gpio(sc->ah, sc->led_pin, !sc->led_on); - mod_timer(&sc->led_tim, jiffies + sc->led_off); + if (test_bit(ATH_STAT_LEDSOFT, sc->status)) { + ath5k_hw_set_gpio_output(sc->ah, sc->led_pin); + ath5k_led_off(sc); } } -/* - * Blink the LED according to the specified on/off times. - */ static void -ath5k_led_blink(struct ath5k_softc *sc, unsigned int on, - unsigned int off) +ath5k_led_on(struct ath5k_softc *sc) { - ATH5K_DBG(sc, ATH5K_DEBUG_LED, "on %u off %u\n", on, off); + if (!test_bit(ATH_STAT_LEDSOFT, sc->status)) + return; ath5k_hw_set_gpio(sc->ah, sc->led_pin, sc->led_on); - __set_bit(ATH_STAT_LEDBLINKING, sc->status); - __clear_bit(ATH_STAT_LEDENDBLINK, sc->status); - sc->led_off = off; - mod_timer(&sc->led_tim, jiffies + on); } static void -ath5k_led_event(struct ath5k_softc *sc, int event) +ath5k_led_off(struct ath5k_softc *sc) { - if (likely(!test_bit(ATH_STAT_LEDSOFT, sc->status))) + if (!test_bit(ATH_STAT_LEDSOFT, sc->status)) return; - if (unlikely(test_bit(ATH_STAT_LEDBLINKING, sc->status))) - return; /* don't interrupt active blink */ - switch (event) { - case ATH_LED_TX: - ath5k_led_blink(sc, sc->hwmap[sc->led_txrate].ledon, - sc->hwmap[sc->led_txrate].ledoff); - break; - case ATH_LED_RX: - ath5k_led_blink(sc, sc->hwmap[sc->led_rxrate].ledon, - sc->hwmap[sc->led_rxrate].ledoff); - break; + ath5k_hw_set_gpio(sc->ah, sc->led_pin, !sc->led_on); +} + +static void +ath5k_led_brightness_set(struct led_classdev *led_dev, + enum led_brightness brightness) +{ + struct ath5k_led *led = container_of(led_dev, struct ath5k_led, + led_dev); + + if (brightness == LED_OFF) + ath5k_led_off(led->sc); + else + ath5k_led_on(led->sc); +} + +static int +ath5k_register_led(struct ath5k_softc *sc, struct ath5k_led *led, + const char *name, char *trigger) +{ + int err; + + led->sc = sc; + strncpy(led->name, name, sizeof(led->name)); + led->led_dev.name = led->name; + led->led_dev.default_trigger = trigger; + led->led_dev.brightness_set = ath5k_led_brightness_set; + + err = led_classdev_register(&sc->pdev->dev, &led->led_dev); + if (err) + { + ATH5K_WARN(sc, "could not register LED %s\n", name); + led->sc = NULL; } + return err; } +static void +ath5k_unregister_led(struct ath5k_led *led) +{ + if (!led->sc) + return; + led_classdev_unregister(&led->led_dev); + ath5k_led_off(led->sc); + led->sc = NULL; +} + +static void +ath5k_unregister_leds(struct ath5k_softc *sc) +{ + ath5k_unregister_led(&sc->rx_led); + ath5k_unregister_led(&sc->tx_led); +} + + +static int +ath5k_init_leds(struct ath5k_softc *sc) +{ + int ret = 0; + struct ieee80211_hw *hw = sc->hw; + struct pci_dev *pdev = sc->pdev; + char name[ATH5K_LED_MAX_NAME_LEN + 1]; + + /* + * Auto-enable soft led processing for IBM cards and for + * 5211 minipci cards. + */ + if (pdev->device == PCI_DEVICE_ID_ATHEROS_AR5212_IBM || + pdev->device == PCI_DEVICE_ID_ATHEROS_AR5211) { + __set_bit(ATH_STAT_LEDSOFT, sc->status); + sc->led_pin = 0; + sc->led_on = 0; /* active low */ + } + /* Enable softled on PIN1 on HP Compaq nc6xx, nc4000 & nx5000 laptops */ + if (pdev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ) { + __set_bit(ATH_STAT_LEDSOFT, sc->status); + sc->led_pin = 1; + sc->led_on = 1; /* active high */ + } + if (!test_bit(ATH_STAT_LEDSOFT, sc->status)) + goto out; + + ath5k_led_enable(sc); + snprintf(name, sizeof(name), "ath5k-%s::rx", wiphy_name(hw->wiphy)); + ret = ath5k_register_led(sc, &sc->rx_led, name, + ieee80211_get_rx_led_name(hw)); + if (ret) + goto out; + + snprintf(name, sizeof(name), "ath5k-%s::tx", wiphy_name(hw->wiphy)); + ret = ath5k_register_led(sc, &sc->tx_led, name, + ieee80211_get_tx_led_name(hw)); +out: + return ret; +} /********************\ @@ -2637,8 +2616,7 @@ ath5k_led_event(struct ath5k_softc *sc, int event) \********************/ static int -ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_tx_control *ctl) +ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct ath5k_softc *sc = hw->priv; struct ath5k_buf *bf; @@ -2667,13 +2645,11 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb, memmove(skb->data, skb->data+pad, hdrlen); } - sc->led_txrate = ctl->tx_rate->hw_value; - spin_lock_irqsave(&sc->txbuflock, flags); if (list_empty(&sc->txbuf)) { ATH5K_ERR(sc, "no further txbuf available, dropping packet\n"); spin_unlock_irqrestore(&sc->txbuflock, flags); - ieee80211_stop_queue(hw, ctl->queue); + ieee80211_stop_queue(hw, skb_get_queue_mapping(skb)); return -1; } bf = list_first_entry(&sc->txbuf, struct ath5k_buf, list); @@ -2685,7 +2661,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb, bf->skb = skb; - if (ath5k_txbuf_setup(sc, bf, ctl)) { + if (ath5k_txbuf_setup(sc, bf)) { bf->skb = NULL; spin_lock_irqsave(&sc->txbuflock, flags); list_add_tail(&bf->list, &sc->txbuf); @@ -2775,6 +2751,11 @@ static int ath5k_add_interface(struct ieee80211_hw *hw, ret = -EOPNOTSUPP; goto end; } + + /* Set to a reasonable value. Note that this will + * be set to mac80211's value at ath5k_config(). */ + sc->bintval = 1000; + ret = 0; end: mutex_unlock(&sc->lock); @@ -2819,9 +2800,6 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ath5k_hw *ah = sc->ah; int ret; - /* Set to a reasonable value. Note that this will - * be set to mac80211's value at ath5k_config(). */ - sc->bintval = 1000; mutex_lock(&sc->lock); if (sc->vif != vif) { ret = -EIO; @@ -2833,7 +2811,20 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, /* XXX: assoc id is set to 0 for now, mac80211 doesn't have * a clean way of letting us retrieve this yet. */ ath5k_hw_set_associd(ah, ah->ah_bssid, 0); + mmiowb(); } + + if (conf->changed & IEEE80211_IFCC_BEACON && + vif->type == IEEE80211_IF_TYPE_IBSS) { + struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); + if (!beacon) { + ret = -ENOMEM; + goto unlock; + } + /* call old handler for now */ + ath5k_beacon_update(hw, beacon); + } + mutex_unlock(&sc->lock); return ath5k_reset(hw); @@ -3009,6 +3000,7 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, } unlock: + mmiowb(); mutex_unlock(&sc->lock); return ret; } @@ -3063,31 +3055,32 @@ ath5k_reset_tsf(struct ieee80211_hw *hw) } static int -ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ieee80211_tx_control *ctl) +ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) { struct ath5k_softc *sc = hw->priv; + unsigned long flags; int ret; ath5k_debug_dump_skb(sc, skb, "BC ", 1); - mutex_lock(&sc->lock); - if (sc->opmode != IEEE80211_IF_TYPE_IBSS) { ret = -EIO; goto end; } + spin_lock_irqsave(&sc->block, flags); ath5k_txbuf_free(sc, sc->bbuf); sc->bbuf->skb = skb; - ret = ath5k_beacon_setup(sc, sc->bbuf, ctl); + ret = ath5k_beacon_setup(sc, sc->bbuf); if (ret) sc->bbuf->skb = NULL; - else + spin_unlock_irqrestore(&sc->block, flags); + if (!ret) { ath5k_beacon_config(sc); + mmiowb(); + } end: - mutex_unlock(&sc->lock); return ret; } |