diff options
Diffstat (limited to 'drivers/net/wireless')
69 files changed, 1437 insertions, 507 deletions
diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h index 9f9459860d8..b99a8c2053d 100644 --- a/drivers/net/wireless/ath/ar9170/ar9170.h +++ b/drivers/net/wireless/ath/ar9170/ar9170.h @@ -109,7 +109,6 @@ struct ar9170_rxstream_mpdu_merge { bool has_plcp; }; -#define AR9170_NUM_MAX_BA_RETRY 5 #define AR9170_NUM_TID 16 #define WME_BA_BMP_SIZE 64 #define AR9170_NUM_MAX_AGG_LEN (2 * WME_BA_BMP_SIZE) @@ -143,7 +142,6 @@ struct ar9170_sta_tid { u16 tid; enum ar9170_tid_state state; bool active; - u8 retry; }; #define AR9170_QUEUE_TIMEOUT 64 @@ -154,6 +152,8 @@ struct ar9170_sta_tid { #define AR9170_NUM_TX_STATUS 128 #define AR9170_NUM_TX_AGG_MAX 30 +#define AR9170_NUM_TX_LIMIT_HARD AR9170_TXQ_DEPTH +#define AR9170_NUM_TX_LIMIT_SOFT (AR9170_TXQ_DEPTH - 10) struct ar9170 { struct ieee80211_hw *hw; @@ -248,13 +248,8 @@ struct ar9170_sta_info { unsigned int ampdu_max_len; }; -#define AR9170_TX_FLAG_WAIT_FOR_ACK BIT(0) -#define AR9170_TX_FLAG_NO_ACK BIT(1) -#define AR9170_TX_FLAG_BLOCK_ACK BIT(2) - struct ar9170_tx_info { unsigned long timeout; - unsigned int flags; }; #define IS_STARTED(a) (((struct ar9170 *)a)->state >= AR9170_STARTED) diff --git a/drivers/net/wireless/ath/ar9170/hw.h b/drivers/net/wireless/ath/ar9170/hw.h index 701ddb7d840..0a1d4c28e68 100644 --- a/drivers/net/wireless/ath/ar9170/hw.h +++ b/drivers/net/wireless/ath/ar9170/hw.h @@ -276,6 +276,7 @@ struct ar9170_tx_control { #define AR9170_TX_MAC_RATE_PROBE 0x8000 /* either-or */ +#define AR9170_TX_PHY_MOD_MASK 0x00000003 #define AR9170_TX_PHY_MOD_CCK 0x00000000 #define AR9170_TX_PHY_MOD_OFDM 0x00000001 #define AR9170_TX_PHY_MOD_HT 0x00000002 diff --git a/drivers/net/wireless/ath/ar9170/mac.c b/drivers/net/wireless/ath/ar9170/mac.c index ddc8c09dc79..857e8610429 100644 --- a/drivers/net/wireless/ath/ar9170/mac.c +++ b/drivers/net/wireless/ath/ar9170/mac.c @@ -117,7 +117,7 @@ int ar9170_set_qos(struct ar9170 *ar) ar9170_regwrite(AR9170_MAC_REG_AC1_AC0_TXOP, ar->edcf[0].txop | ar->edcf[1].txop << 16); ar9170_regwrite(AR9170_MAC_REG_AC3_AC2_TXOP, - ar->edcf[1].txop | ar->edcf[3].txop << 16); + ar->edcf[2].txop | ar->edcf[3].txop << 16); ar9170_regwrite_finish(); diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c index f9d6db8d013..20f04ab2b13 100644 --- a/drivers/net/wireless/ath/ar9170/main.c +++ b/drivers/net/wireless/ath/ar9170/main.c @@ -194,12 +194,15 @@ static inline u16 ar9170_get_seq(struct sk_buff *skb) return ar9170_get_seq_h((void *) txc->frame_data); } +static inline u16 ar9170_get_tid_h(struct ieee80211_hdr *hdr) +{ + return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK; +} + static inline u16 ar9170_get_tid(struct sk_buff *skb) { struct ar9170_tx_control *txc = (void *) skb->data; - struct ieee80211_hdr *hdr = (void *) txc->frame_data; - - return (ieee80211_get_qos_ctl(hdr))[0] & IEEE80211_QOS_CTL_TID_MASK; + return ar9170_get_tid_h((struct ieee80211_hdr *) txc->frame_data); } #define GET_NEXT_SEQ(seq) ((seq + 1) & 0x0fff) @@ -213,10 +216,10 @@ static void ar9170_print_txheader(struct ar9170 *ar, struct sk_buff *skb) struct ar9170_tx_info *arinfo = (void *) txinfo->rate_driver_data; struct ieee80211_hdr *hdr = (void *) txc->frame_data; - printk(KERN_DEBUG "%s: => FRAME [skb:%p, q:%d, DA:[%pM] flags:%x s:%d " + printk(KERN_DEBUG "%s: => FRAME [skb:%p, q:%d, DA:[%pM] s:%d " "mac_ctrl:%04x, phy_ctrl:%08x, timeout:[%d ms]]\n", wiphy_name(ar->hw->wiphy), skb, skb_get_queue_mapping(skb), - ieee80211_get_DA(hdr), arinfo->flags, ar9170_get_seq_h(hdr), + ieee80211_get_DA(hdr), ar9170_get_seq_h(hdr), le16_to_cpu(txc->mac_control), le32_to_cpu(txc->phy_control), jiffies_to_msecs(arinfo->timeout - jiffies)); } @@ -430,7 +433,7 @@ void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb) spin_lock_irqsave(&ar->tx_stats_lock, flags); ar->tx_stats[queue].len--; - if (skb_queue_empty(&ar->tx_pending[queue])) { + if (ar->tx_stats[queue].len < AR9170_NUM_TX_LIMIT_SOFT) { #ifdef AR9170_QUEUE_STOP_DEBUG printk(KERN_DEBUG "%s: wake queue %d\n", wiphy_name(ar->hw->wiphy), queue); @@ -440,22 +443,17 @@ void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb) } spin_unlock_irqrestore(&ar->tx_stats_lock, flags); - if (arinfo->flags & AR9170_TX_FLAG_BLOCK_ACK) { - ar9170_tx_ampdu_callback(ar, skb); - } else if (arinfo->flags & AR9170_TX_FLAG_WAIT_FOR_ACK) { - arinfo->timeout = jiffies + - msecs_to_jiffies(AR9170_TX_TIMEOUT); - - skb_queue_tail(&ar->tx_status[queue], skb); - } else if (arinfo->flags & AR9170_TX_FLAG_NO_ACK) { + if (info->flags & IEEE80211_TX_CTL_NO_ACK) { ar9170_tx_status(ar, skb, AR9170_TX_STATUS_FAILED); } else { -#ifdef AR9170_QUEUE_DEBUG - printk(KERN_DEBUG "%s: unsupported frame flags!\n", - wiphy_name(ar->hw->wiphy)); - ar9170_print_txheader(ar, skb); -#endif /* AR9170_QUEUE_DEBUG */ - dev_kfree_skb_any(skb); + if (info->flags & IEEE80211_TX_CTL_AMPDU) { + ar9170_tx_ampdu_callback(ar, skb); + } else { + arinfo->timeout = jiffies + + msecs_to_jiffies(AR9170_TX_TIMEOUT); + + skb_queue_tail(&ar->tx_status[queue], skb); + } } if (!ar->tx_stats[queue].len && @@ -1407,17 +1405,6 @@ static int ar9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb) if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) && (is_valid_ether_addr(ieee80211_get_DA(hdr)))) { - if (info->flags & IEEE80211_TX_CTL_AMPDU) { - if (unlikely(!info->control.sta)) - goto err_out; - - txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_AGGR); - arinfo->flags = AR9170_TX_FLAG_BLOCK_ACK; - - goto out; - } - - txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_RATE_PROBE); /* * WARNING: * Putting the QoS queue bits into an unexplored territory is @@ -1431,12 +1418,17 @@ static int ar9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb) txc->phy_control |= cpu_to_le32(queue << AR9170_TX_PHY_QOS_SHIFT); - arinfo->flags = AR9170_TX_FLAG_WAIT_FOR_ACK; - } else { - arinfo->flags = AR9170_TX_FLAG_NO_ACK; + + if (info->flags & IEEE80211_TX_CTL_AMPDU) { + if (unlikely(!info->control.sta)) + goto err_out; + + txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_AGGR); + } else { + txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_RATE_PROBE); + } } -out: return 0; err_out: @@ -1671,8 +1663,7 @@ static bool ar9170_tx_ampdu(struct ar9170 *ar) * tell the FW/HW that this is the last frame, * that way it will wait for the immediate block ack. */ - if (likely(skb_peek_tail(&agg))) - ar9170_tx_indicate_immba(ar, skb_peek_tail(&agg)); + ar9170_tx_indicate_immba(ar, skb_peek_tail(&agg)); #ifdef AR9170_TXAGG_DEBUG printk(KERN_DEBUG "%s: generated A-MPDU looks like this:\n", @@ -1716,6 +1707,21 @@ static void ar9170_tx(struct ar9170 *ar) for (i = 0; i < __AR9170_NUM_TXQ; i++) { spin_lock_irqsave(&ar->tx_stats_lock, flags); + frames = min(ar->tx_stats[i].limit - ar->tx_stats[i].len, + skb_queue_len(&ar->tx_pending[i])); + + if (remaining_space < frames) { +#ifdef AR9170_QUEUE_DEBUG + printk(KERN_DEBUG "%s: tx quota reached queue:%d, " + "remaining slots:%d, needed:%d\n", + wiphy_name(ar->hw->wiphy), i, remaining_space, + frames); +#endif /* AR9170_QUEUE_DEBUG */ + frames = remaining_space; + } + + ar->tx_stats[i].len += frames; + ar->tx_stats[i].count += frames; if (ar->tx_stats[i].len >= ar->tx_stats[i].limit) { #ifdef AR9170_QUEUE_DEBUG printk(KERN_DEBUG "%s: queue %d full\n", @@ -1733,25 +1739,8 @@ static void ar9170_tx(struct ar9170 *ar) __ar9170_dump_txstats(ar); #endif /* AR9170_QUEUE_STOP_DEBUG */ ieee80211_stop_queue(ar->hw, i); - spin_unlock_irqrestore(&ar->tx_stats_lock, flags); - continue; } - frames = min(ar->tx_stats[i].limit - ar->tx_stats[i].len, - skb_queue_len(&ar->tx_pending[i])); - - if (remaining_space < frames) { -#ifdef AR9170_QUEUE_DEBUG - printk(KERN_DEBUG "%s: tx quota reached queue:%d, " - "remaining slots:%d, needed:%d\n", - wiphy_name(ar->hw->wiphy), i, remaining_space, - frames); -#endif /* AR9170_QUEUE_DEBUG */ - frames = remaining_space; - } - - ar->tx_stats[i].len += frames; - ar->tx_stats[i].count += frames; spin_unlock_irqrestore(&ar->tx_stats_lock, flags); if (!frames) @@ -1773,7 +1762,7 @@ static void ar9170_tx(struct ar9170 *ar) arinfo->timeout = jiffies + msecs_to_jiffies(AR9170_TX_TIMEOUT); - if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK) + if (info->flags & IEEE80211_TX_CTL_AMPDU) atomic_inc(&ar->tx_ampdu_pending); #ifdef AR9170_QUEUE_DEBUG @@ -1784,7 +1773,7 @@ static void ar9170_tx(struct ar9170 *ar) err = ar->tx(ar, skb); if (unlikely(err)) { - if (arinfo->flags == AR9170_TX_FLAG_BLOCK_ACK) + if (info->flags & IEEE80211_TX_CTL_AMPDU) atomic_dec(&ar->tx_ampdu_pending); frames_failed++; @@ -2366,7 +2355,6 @@ static void ar9170_sta_notify(struct ieee80211_hw *hw, sta_info->agg[i].state = AR9170_TID_STATE_SHUTDOWN; sta_info->agg[i].active = false; sta_info->agg[i].ssn = 0; - sta_info->agg[i].retry = 0; sta_info->agg[i].tid = i; INIT_LIST_HEAD(&sta_info->agg[i].list); skb_queue_head_init(&sta_info->agg[i].queue); diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c index e0799d92405..0f361186b78 100644 --- a/drivers/net/wireless/ath/ar9170/usb.c +++ b/drivers/net/wireless/ath/ar9170/usb.c @@ -84,6 +84,8 @@ static struct usb_device_id ar9170_usb_ids[] = { { USB_DEVICE(0x0cde, 0x0023) }, /* Z-Com UB82 ABG */ { USB_DEVICE(0x0cde, 0x0026) }, + /* Sphairon Homelink 1202 */ + { USB_DEVICE(0x0cde, 0x0027) }, /* Arcadyan WN7512 */ { USB_DEVICE(0x083a, 0xf522) }, /* Planex GWUS300 */ diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index e2cef2ff5d8..9f1f523e02e 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -453,7 +453,6 @@ struct ath_softc { int irq; spinlock_t sc_resetlock; spinlock_t sc_serial_rw; - spinlock_t ani_lock; spinlock_t sc_pm_lock; struct mutex mutex; diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index b66f72dbf7b..592f1b70f55 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -289,23 +289,49 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, if (sc->cur_rate_table == NULL) return 0; - max = 80 + sc->cur_rate_table->rate_cnt * 64; + max = 80 + sc->cur_rate_table->rate_cnt * 1024; buf = kmalloc(max + 1, GFP_KERNEL); if (buf == NULL) return 0; buf[max] = 0; - len += sprintf(buf, "%5s %15s %8s %9s %3s\n\n", "Rate", "Success", - "Retries", "XRetries", "PER"); + len += sprintf(buf, "%6s %6s %6s " + "%10s %10s %10s %10s\n", + "HT", "MCS", "Rate", + "Success", "Retries", "XRetries", "PER"); for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) { u32 ratekbps = sc->cur_rate_table->info[i].ratekbps; struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i]; + char mcs[5]; + char htmode[5]; + int used_mcs = 0, used_htmode = 0; + + if (WLAN_RC_PHY_HT(sc->cur_rate_table->info[i].phy)) { + used_mcs = snprintf(mcs, 5, "%d", + sc->cur_rate_table->info[i].ratecode); + + if (WLAN_RC_PHY_40(sc->cur_rate_table->info[i].phy)) + used_htmode = snprintf(htmode, 5, "HT40"); + else if (WLAN_RC_PHY_20(sc->cur_rate_table->info[i].phy)) + used_htmode = snprintf(htmode, 5, "HT20"); + else + used_htmode = snprintf(htmode, 5, "????"); + } + + mcs[used_mcs] = '\0'; + htmode[used_htmode] = '\0'; len += snprintf(buf + len, max - len, - "%3u.%d: %8u %8u %8u %8u\n", ratekbps / 1000, - (ratekbps % 1000) / 100, stats->success, - stats->retries, stats->xretries, + "%6s %6s %3u.%d: " + "%10u %10u %10u %10u\n", + htmode, + mcs, + ratekbps / 1000, + (ratekbps % 1000) / 100, + stats->success, + stats->retries, + stats->xretries, stats->per); } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 2ec61f08cfd..9474f9f6d40 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -343,30 +343,6 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah) return true; } -static const char *ath9k_hw_devname(u16 devid) -{ - switch (devid) { - case AR5416_DEVID_PCI: - return "Atheros 5416"; - case AR5416_DEVID_PCIE: - return "Atheros 5418"; - case AR9160_DEVID_PCI: - return "Atheros 9160"; - case AR5416_AR9100_DEVID: - return "Atheros 9100"; - case AR9280_DEVID_PCI: - case AR9280_DEVID_PCIE: - return "Atheros 9280"; - case AR9285_DEVID_PCIE: - return "Atheros 9285"; - case AR5416_DEVID_AR9287_PCI: - case AR5416_DEVID_AR9287_PCIE: - return "Atheros 9287"; - } - - return NULL; -} - static void ath9k_hw_init_config(struct ath_hw *ah) { int i; @@ -392,7 +368,7 @@ static void ath9k_hw_init_config(struct ath_hw *ah) ah->config.spurchans[i][1] = AR_NO_SPUR; } - ah->config.intr_mitigation = true; + ah->config.rx_intr_mitigation = true; /* * We need this for PCI devices only (Cardbus, PCI, miniPCI) @@ -1184,7 +1160,7 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah, AR_IMR_RXORN | AR_IMR_BCNMISC; - if (ah->config.intr_mitigation) + if (ah->config.rx_intr_mitigation) ah->mask_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR; else ah->mask_reg |= AR_IMR_RXOK; @@ -1266,12 +1242,6 @@ static void ath9k_hw_init_user_settings(struct ath_hw *ah) ath9k_hw_set_global_txtimeout(ah, ah->globaltxtimeout); } -const char *ath9k_hw_probe(u16 vendorid, u16 devid) -{ - return vendorid == ATHEROS_VENDOR_ID ? - ath9k_hw_devname(devid) : NULL; -} - void ath9k_hw_detach(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); @@ -2121,7 +2091,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, REG_WRITE(ah, AR_OBS, 8); - if (ah->config.intr_mitigation) { + if (ah->config.rx_intr_mitigation) { REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500); REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000); } @@ -2781,7 +2751,7 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked) *masked = isr & ATH9K_INT_COMMON; - if (ah->config.intr_mitigation) { + if (ah->config.rx_intr_mitigation) { if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM)) *masked |= ATH9K_INT_RX; } @@ -2914,7 +2884,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints) } if (ints & ATH9K_INT_RX) { mask |= AR_IMR_RXERR; - if (ah->config.intr_mitigation) + if (ah->config.rx_intr_mitigation) mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM; else mask |= AR_IMR_RXOK | AR_IMR_RXDESC; diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index e2b0c73a616..8849450dc59 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -212,7 +212,7 @@ struct ath9k_ops_config { u32 cck_trig_low; u32 enable_ani; int serialize_regmode; - bool intr_mitigation; + bool rx_intr_mitigation; #define SPUR_DISABLE 0 #define SPUR_ENABLE_IOCTL 1 #define SPUR_ENABLE_EEPROM 2 diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 9e68c1a8aef..3f5b887d0fc 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -363,14 +363,6 @@ static void ath_ani_calibrate(unsigned long data) short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ? ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL; - /* - * 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; - /* Only calibrate if awake */ if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) goto set_timer; @@ -437,7 +429,6 @@ 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, @@ -1610,7 +1601,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid, 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); spin_lock_init(&sc->sc_pm_lock); mutex_init(&sc->mutex); tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); @@ -3119,6 +3109,7 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw) { struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; + struct ath_common *common = ath9k_hw_common(sc->sc_ah); mutex_lock(&sc->mutex); if (ath9k_wiphy_scanning(sc)) { @@ -3134,10 +3125,9 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw) aphy->state = ATH_WIPHY_SCAN; ath9k_wiphy_pause_all_forced(sc, aphy); - - spin_lock_bh(&sc->ani_lock); sc->sc_flags |= SC_OP_SCANNING; - spin_unlock_bh(&sc->ani_lock); + del_timer_sync(&common->ani.timer); + cancel_delayed_work_sync(&sc->tx_complete_work); mutex_unlock(&sc->mutex); } @@ -3145,13 +3135,14 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) { struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; + struct ath_common *common = ath9k_hw_common(sc->sc_ah); 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; - spin_unlock_bh(&sc->ani_lock); + ath_start_ani(common); + ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); ath_beacon_config(sc, NULL); mutex_unlock(&sc->mutex); } diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h index 9eb96f50699..4f6d6fd442f 100644 --- a/drivers/net/wireless/ath/ath9k/rc.h +++ b/drivers/net/wireless/ath/ath9k/rc.h @@ -57,6 +57,10 @@ enum { || (_phy == WLAN_RC_PHY_HT_40_DS) \ || (_phy == WLAN_RC_PHY_HT_20_DS_HGI) \ || (_phy == WLAN_RC_PHY_HT_40_DS_HGI)) +#define WLAN_RC_PHY_20(_phy) ((_phy == WLAN_RC_PHY_HT_20_SS) \ + || (_phy == WLAN_RC_PHY_HT_20_DS) \ + || (_phy == WLAN_RC_PHY_HT_20_SS_HGI) \ + || (_phy == WLAN_RC_PHY_HT_20_DS_HGI)) #define WLAN_RC_PHY_40(_phy) ((_phy == WLAN_RC_PHY_HT_40_SS) \ || (_phy == WLAN_RC_PHY_HT_40_DS) \ || (_phy == WLAN_RC_PHY_HT_40_SS_HGI) \ diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index ff9b5c88218..d7073281942 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -2618,6 +2618,15 @@ static irqreturn_t prism2_interrupt(int irq, void *dev_id) int events = 0; u16 ev; + /* Detect early interrupt before driver is fully configued */ + if (!dev->base_addr) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: Interrupt, but dev not configured\n", + dev->name); + } + return IRQ_HANDLED; + } + iface = netdev_priv(dev); local = iface->local; diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index 8414178bcff..0db1fda94a6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -105,6 +105,7 @@ static struct iwl_lib_ops iwl1000_lib = { .load_ucode = iwl5000_load_ucode, .dump_nic_event_log = iwl_dump_nic_event_log, .dump_nic_error_log = iwl_dump_nic_error_log, + .dump_csr = iwl_dump_csr, .init_alive_start = iwl5000_init_alive_start, .alive_notify = iwl5000_alive_notify, .send_tx_power = iwl5000_send_tx_power, @@ -140,7 +141,7 @@ static struct iwl_lib_ops iwl1000_lib = { }, }; -static struct iwl_ops iwl1000_ops = { +static const struct iwl_ops iwl1000_ops = { .ucode = &iwl5000_ucode, .lib = &iwl1000_lib, .hcmd = &iwl5000_hcmd, @@ -173,7 +174,6 @@ struct iwl_cfg iwl1000_bgn_cfg = { .use_rts_for_ht = true, /* use rts/cts protection */ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, .support_ct_kill_exit = true, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED, }; struct iwl_cfg iwl1000_bg_cfg = { diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index e413bd35bc4..d1bab141508 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -2810,7 +2810,7 @@ static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = { .rts_tx_cmd_flag = iwlcore_rts_tx_cmd_flag, }; -static struct iwl_ops iwl3945_ops = { +static const struct iwl_ops iwl3945_ops = { .ucode = &iwl3945_ucode, .lib = &iwl3945_lib, .hcmd = &iwl3945_hcmd, diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index ecc23ec1f6a..28f6eb5f2cb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -227,7 +227,8 @@ extern void iwl3945_rx_replenish(void *data); extern void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq); extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv, struct ieee80211_hdr *hdr,int left); -extern void iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log); +extern int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log, + char **buf, bool display); extern void iwl3945_dump_nic_error_log(struct iwl_priv *priv); /* diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 484c5fdf7c2..78706ce8b7a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -2208,7 +2208,7 @@ static struct iwl_lib_ops iwl4965_lib = { }, }; -static struct iwl_ops iwl4965_ops = { +static const struct iwl_ops iwl4965_ops = { .ucode = &iwl4965_ucode, .lib = &iwl4965_lib, .hcmd = &iwl4965_hcmd, @@ -2239,7 +2239,6 @@ struct iwl_cfg iwl4965_agn_cfg = { .broken_powersave = true, .led_compensation = 61, .chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED, }; /* Module firmware */ diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 33a5866538e..ec6b27689fa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -1466,6 +1466,7 @@ struct iwl_lib_ops iwl5000_lib = { .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr, .dump_nic_event_log = iwl_dump_nic_event_log, .dump_nic_error_log = iwl_dump_nic_error_log, + .dump_csr = iwl_dump_csr, .load_ucode = iwl5000_load_ucode, .init_alive_start = iwl5000_init_alive_start, .alive_notify = iwl5000_alive_notify, @@ -1518,6 +1519,7 @@ static struct iwl_lib_ops iwl5150_lib = { .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr, .dump_nic_event_log = iwl_dump_nic_event_log, .dump_nic_error_log = iwl_dump_nic_error_log, + .dump_csr = iwl_dump_csr, .load_ucode = iwl5000_load_ucode, .init_alive_start = iwl5000_init_alive_start, .alive_notify = iwl5000_alive_notify, @@ -1555,7 +1557,7 @@ static struct iwl_lib_ops iwl5150_lib = { }, }; -static struct iwl_ops iwl5000_ops = { +static const struct iwl_ops iwl5000_ops = { .ucode = &iwl5000_ucode, .lib = &iwl5000_lib, .hcmd = &iwl5000_hcmd, @@ -1563,7 +1565,7 @@ static struct iwl_ops iwl5000_ops = { .led = &iwlagn_led_ops, }; -static struct iwl_ops iwl5150_ops = { +static const struct iwl_ops iwl5150_ops = { .ucode = &iwl5000_ucode, .lib = &iwl5150_lib, .hcmd = &iwl5000_hcmd, @@ -1599,7 +1601,6 @@ struct iwl_cfg iwl5300_agn_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED, }; struct iwl_cfg iwl5100_bgn_cfg = { @@ -1668,7 +1669,6 @@ struct iwl_cfg iwl5100_agn_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED, }; struct iwl_cfg iwl5350_agn_cfg = { @@ -1692,7 +1692,6 @@ struct iwl_cfg iwl5350_agn_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED, }; struct iwl_cfg iwl5150_agn_cfg = { @@ -1716,7 +1715,6 @@ struct iwl_cfg iwl5150_agn_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED, }; struct iwl_cfg iwl5150_abg_cfg = { diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 74e57104927..a5a0ed4817a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -215,6 +215,7 @@ static struct iwl_lib_ops iwl6000_lib = { .load_ucode = iwl5000_load_ucode, .dump_nic_event_log = iwl_dump_nic_event_log, .dump_nic_error_log = iwl_dump_nic_error_log, + .dump_csr = iwl_dump_csr, .init_alive_start = iwl5000_init_alive_start, .alive_notify = iwl5000_alive_notify, .send_tx_power = iwl5000_send_tx_power, @@ -252,7 +253,7 @@ static struct iwl_lib_ops iwl6000_lib = { }, }; -static struct iwl_ops iwl6000_ops = { +static const struct iwl_ops iwl6000_ops = { .ucode = &iwl5000_ucode, .lib = &iwl6000_lib, .hcmd = &iwl5000_hcmd, @@ -267,7 +268,7 @@ static struct iwl_hcmd_utils_ops iwl6050_hcmd_utils = { .calc_rssi = iwl5000_calc_rssi, }; -static struct iwl_ops iwl6050_ops = { +static const struct iwl_ops iwl6050_ops = { .ucode = &iwl5000_ucode, .lib = &iwl6000_lib, .hcmd = &iwl5000_hcmd, @@ -306,7 +307,6 @@ struct iwl_cfg iwl6000i_2agn_cfg = { .supports_idle = true, .adv_thermal_throttle = true, .support_ct_kill_exit = true, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED, }; struct iwl_cfg iwl6000i_2abg_cfg = { @@ -395,7 +395,6 @@ struct iwl_cfg iwl6050_2agn_cfg = { .supports_idle = true, .adv_thermal_throttle = true, .support_ct_kill_exit = true, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DYNAMIC, }; struct iwl_cfg iwl6050_2abg_cfg = { @@ -455,7 +454,6 @@ struct iwl_cfg iwl6000_3agn_cfg = { .supports_idle = true, .adv_thermal_throttle = true, .support_ct_kill_exit = true, - .sm_ps_mode = WLAN_HT_CAP_SM_PS_DISABLED, }; MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 1c9866daf81..771b03c1c7c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -657,6 +657,131 @@ static void iwl_bg_statistics_periodic(unsigned long data) iwl_send_statistics_request(priv, CMD_ASYNC, false); } + +static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, + u32 start_idx, u32 num_events, + u32 mode) +{ + u32 i; + u32 ptr; /* SRAM byte address of log data */ + u32 ev, time, data; /* event log data */ + unsigned long reg_flags; + + if (mode == 0) + ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); + else + ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); + + /* Make sure device is powered up for SRAM reads */ + spin_lock_irqsave(&priv->reg_lock, reg_flags); + if (iwl_grab_nic_access(priv)) { + spin_unlock_irqrestore(&priv->reg_lock, reg_flags); + return; + } + + /* Set starting address; reads will auto-increment */ + _iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr); + rmb(); + + /* + * "time" is actually "data" for mode 0 (no timestamp). + * place event id # at far right for easier visual parsing. + */ + for (i = 0; i < num_events; i++) { + ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + if (mode == 0) { + trace_iwlwifi_dev_ucode_cont_event(priv, + 0, time, ev); + } else { + data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); + trace_iwlwifi_dev_ucode_cont_event(priv, + time, data, ev); + } + } + /* Allow device to power down */ + iwl_release_nic_access(priv); + spin_unlock_irqrestore(&priv->reg_lock, reg_flags); +} + +void iwl_continuous_event_trace(struct iwl_priv *priv) +{ + u32 capacity; /* event log capacity in # entries */ + u32 base; /* SRAM byte address of event log header */ + u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ + u32 num_wraps; /* # times uCode wrapped to top of log */ + u32 next_entry; /* index of next entry to be written by uCode */ + + if (priv->ucode_type == UCODE_INIT) + base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr); + else + base = le32_to_cpu(priv->card_alive.log_event_table_ptr); + if (priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { + capacity = iwl_read_targ_mem(priv, base); + num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32))); + mode = iwl_read_targ_mem(priv, base + (1 * sizeof(u32))); + next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32))); + } else + return; + + if (num_wraps == priv->event_log.num_wraps) { + iwl_print_cont_event_trace(priv, + base, priv->event_log.next_entry, + next_entry - priv->event_log.next_entry, + mode); + priv->event_log.non_wraps_count++; + } else { + if ((num_wraps - priv->event_log.num_wraps) > 1) + priv->event_log.wraps_more_count++; + else + priv->event_log.wraps_once_count++; + trace_iwlwifi_dev_ucode_wrap_event(priv, + num_wraps - priv->event_log.num_wraps, + next_entry, priv->event_log.next_entry); + if (next_entry < priv->event_log.next_entry) { + iwl_print_cont_event_trace(priv, base, + priv->event_log.next_entry, + capacity - priv->event_log.next_entry, + mode); + + iwl_print_cont_event_trace(priv, base, 0, + next_entry, mode); + } else { + iwl_print_cont_event_trace(priv, base, + next_entry, capacity - next_entry, + mode); + + iwl_print_cont_event_trace(priv, base, 0, + next_entry, mode); + } + } + priv->event_log.num_wraps = num_wraps; + priv->event_log.next_entry = next_entry; +} + +/** + * iwl_bg_ucode_trace - Timer callback to log ucode event + * + * The timer is continually set to execute every + * UCODE_TRACE_PERIOD milliseconds after the last timer expired + * this function is to perform continuous uCode event logging operation + * if enabled + */ +static void iwl_bg_ucode_trace(unsigned long data) +{ + struct iwl_priv *priv = (struct iwl_priv *)data; + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + if (priv->event_log.ucode_trace) { + iwl_continuous_event_trace(priv); + /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ + mod_timer(&priv->ucode_trace, + jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); + } +} + static void iwl_rx_beacon_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { @@ -689,12 +814,14 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags); unsigned long status = priv->status; - IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s\n", + IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s CT:%s\n", (flags & HW_CARD_DISABLED) ? "Kill" : "On", - (flags & SW_CARD_DISABLED) ? "Kill" : "On"); + (flags & SW_CARD_DISABLED) ? "Kill" : "On", + (flags & CT_CARD_DISABLED) ? + "Reached" : "Not reached"); if (flags & (SW_CARD_DISABLED | HW_CARD_DISABLED | - RF_CARD_DISABLED)) { + CT_CARD_DISABLED)) { iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); @@ -708,10 +835,10 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, iwl_write_direct32(priv, HBUS_TARG_MBX_C, HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED); } - if (flags & RF_CARD_DISABLED) + if (flags & CT_CARD_DISABLED) iwl_tt_enter_ct_kill(priv); } - if (!(flags & RF_CARD_DISABLED)) + if (!(flags & CT_CARD_DISABLED)) iwl_tt_exit_ct_kill(priv); if (flags & HW_CARD_DISABLED) @@ -1705,8 +1832,9 @@ void iwl_dump_nic_error_log(struct iwl_priv *priv) * iwl_print_event_log - Dump error event log to syslog * */ -static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, - u32 num_events, u32 mode) +static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, + u32 num_events, u32 mode, + int pos, char **buf, size_t bufsz) { u32 i; u32 base; /* SRAM byte address of event log header */ @@ -1716,7 +1844,7 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, unsigned long reg_flags; if (num_events == 0) - return; + return pos; if (priv->ucode_type == UCODE_INIT) base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); else @@ -1744,27 +1872,44 @@ static void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (mode == 0) { /* data, ev */ - trace_iwlwifi_dev_ucode_event(priv, 0, time, ev); - IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", time, ev); + if (bufsz) { + pos += scnprintf(*buf + pos, bufsz - pos, + "EVT_LOG:0x%08x:%04u\n", + time, ev); + } else { + trace_iwlwifi_dev_ucode_event(priv, 0, + time, ev); + IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", + time, ev); + } } else { data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); - IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", + if (bufsz) { + pos += scnprintf(*buf + pos, bufsz - pos, + "EVT_LOGT:%010u:0x%08x:%04u\n", + time, data, ev); + } else { + IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", time, data, ev); - trace_iwlwifi_dev_ucode_event(priv, time, data, ev); + trace_iwlwifi_dev_ucode_event(priv, time, + data, ev); + } } } /* Allow device to power down */ iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->reg_lock, reg_flags); + return pos; } /** * iwl_print_last_event_logs - Dump the newest # of event log to syslog */ -static void iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, - u32 num_wraps, u32 next_entry, - u32 size, u32 mode) +static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, + u32 num_wraps, u32 next_entry, + u32 size, u32 mode, + int pos, char **buf, size_t bufsz) { /* * display the newest DEFAULT_LOG_ENTRIES entries @@ -1772,21 +1917,26 @@ static void iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, */ if (num_wraps) { if (next_entry < size) { - iwl_print_event_log(priv, - capacity - (size - next_entry), - size - next_entry, mode); - iwl_print_event_log(priv, 0, - next_entry, mode); + pos = iwl_print_event_log(priv, + capacity - (size - next_entry), + size - next_entry, mode, + pos, buf, bufsz); + pos = iwl_print_event_log(priv, 0, + next_entry, mode, + pos, buf, bufsz); } else - iwl_print_event_log(priv, next_entry - size, - size, mode); + pos = iwl_print_event_log(priv, next_entry - size, + size, mode, pos, buf, bufsz); } else { - if (next_entry < size) - iwl_print_event_log(priv, 0, next_entry, mode); - else - iwl_print_event_log(priv, next_entry - size, - size, mode); + if (next_entry < size) { + pos = iwl_print_event_log(priv, 0, next_entry, + mode, pos, buf, bufsz); + } else { + pos = iwl_print_event_log(priv, next_entry - size, + size, mode, pos, buf, bufsz); + } } + return pos; } /* For sanity check only. Actual size is determined by uCode, typ. 512 */ @@ -1794,7 +1944,8 @@ static void iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, #define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) -void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log) +int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, + char **buf, bool display) { u32 base; /* SRAM byte address of event log header */ u32 capacity; /* event log capacity in # entries */ @@ -1802,6 +1953,8 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log) u32 num_wraps; /* # times uCode wrapped to top of log */ u32 next_entry; /* index of next entry to be written by uCode */ u32 size; /* # entries that we'll print */ + int pos = 0; + size_t bufsz = 0; if (priv->ucode_type == UCODE_INIT) base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); @@ -1812,7 +1965,7 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log) IWL_ERR(priv, "Invalid event log pointer 0x%08X for %s uCode\n", base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT"); - return; + return pos; } /* event log header */ @@ -1838,7 +1991,7 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log) /* bail out if nothing in log */ if (size == 0) { IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n"); - return; + return pos; } #ifdef CONFIG_IWLWIFI_DEBUG @@ -1853,6 +2006,15 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log) size); #ifdef CONFIG_IWLWIFI_DEBUG + if (display) { + if (full_log) + bufsz = capacity * 48; + else + bufsz = size * 48; + *buf = kmalloc(bufsz, GFP_KERNEL); + if (!*buf) + return pos; + } if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) { /* * if uCode has wrapped back to top of log, @@ -1860,17 +2022,22 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log) * i.e the next one that uCode would fill. */ if (num_wraps) - iwl_print_event_log(priv, next_entry, - capacity - next_entry, mode); + pos = iwl_print_event_log(priv, next_entry, + capacity - next_entry, mode, + pos, buf, bufsz); /* (then/else) start at top of log */ - iwl_print_event_log(priv, 0, next_entry, mode); + pos = iwl_print_event_log(priv, 0, + next_entry, mode, pos, buf, bufsz); } else - iwl_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode); + pos = iwl_print_last_event_logs(priv, capacity, num_wraps, + next_entry, size, mode, + pos, buf, bufsz); #else - iwl_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode); + pos = iwl_print_last_event_logs(priv, capacity, num_wraps, + next_entry, size, mode, + pos, buf, bufsz); #endif + return pos; } /** @@ -2456,6 +2623,10 @@ static int iwl_setup_mac(struct iwl_priv *priv) hw->flags |= IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + if (priv->cfg->sku & IWL_SKU_N) + hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | + IEEE80211_HW_SUPPORTS_STATIC_SMPS; + hw->sta_data_size = sizeof(struct iwl_station_priv); hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | @@ -3126,6 +3297,10 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) priv->statistics_periodic.data = (unsigned long)priv; priv->statistics_periodic.function = iwl_bg_statistics_periodic; + init_timer(&priv->ucode_trace); + priv->ucode_trace.data = (unsigned long)priv; + priv->ucode_trace.function = iwl_bg_ucode_trace; + if (!priv->cfg->use_isr_legacy) tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) iwl_irq_tasklet, (unsigned long)priv); @@ -3144,6 +3319,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) cancel_delayed_work(&priv->alive_start); cancel_work_sync(&priv->beacon_update); del_timer_sync(&priv->statistics_periodic); + del_timer_sync(&priv->ucode_trace); } static void iwl_init_hw_rates(struct iwl_priv *priv, @@ -3188,6 +3364,7 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->band = IEEE80211_BAND_2GHZ; priv->iw_mode = NL80211_IFTYPE_STATION; + priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; /* Choose which receivers/antennas to use */ if (priv->cfg->ops->hcmd->set_rxon_chain) diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index 95a57b36a7e..dc61906290e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -414,7 +414,6 @@ static int iwl_sens_auto_corr_ofdm(struct iwl_priv *priv, /* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ static int iwl_sensitivity_write(struct iwl_priv *priv) { - int ret = 0; struct iwl_sensitivity_cmd cmd ; struct iwl_sensitivity_data *data = NULL; struct iwl_host_cmd cmd_out = { @@ -477,11 +476,7 @@ static int iwl_sensitivity_write(struct iwl_priv *priv) memcpy(&(priv->sensitivity_tbl[0]), &(cmd.table[0]), sizeof(u16)*HD_TABLE_SIZE); - ret = iwl_send_cmd(priv, &cmd_out); - if (ret) - IWL_ERR(priv, "SENSITIVITY_CMD failed\n"); - - return ret; + return iwl_send_cmd(priv, &cmd_out); } void iwl_init_sensitivity(struct iwl_priv *priv) diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index e9150753192..28f3800c560 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -2510,7 +2510,7 @@ struct iwl_card_state_notif { #define HW_CARD_DISABLED 0x01 #define SW_CARD_DISABLED 0x02 -#define RF_CARD_DISABLED 0x04 +#define CT_CARD_DISABLED 0x04 #define RXON_CARD_DISABLED 0x10 struct iwl_ct_kill_config { diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 574d3665870..e3b96b48b7f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -450,8 +450,6 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, if (priv->cfg->ht_greenfield_support) ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; ht_info->cap |= IEEE80211_HT_CAP_SGI_20; - ht_info->cap |= (IEEE80211_HT_CAP_SM_PS & - (priv->cfg->sm_ps_mode << 2)); max_bit_rate = MAX_BIT_RATE_20_MHZ; if (priv->hw_params.ht40_channel & BIT(band)) { ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; @@ -636,7 +634,7 @@ EXPORT_SYMBOL(iwlcore_rts_tx_cmd_flag); static bool is_single_rx_stream(struct iwl_priv *priv) { - return !priv->current_ht_config.is_ht || + return priv->current_ht_config.smps == IEEE80211_SMPS_STATIC || priv->current_ht_config.single_chain_sufficient; } @@ -1003,28 +1001,18 @@ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv) */ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt) { - int idle_cnt = active_cnt; - bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); - - /* # Rx chains when idling and maybe trying to save power */ - switch (priv->cfg->sm_ps_mode) { - case WLAN_HT_CAP_SM_PS_STATIC: - idle_cnt = (is_cam) ? active_cnt : IWL_NUM_IDLE_CHAINS_SINGLE; - break; - case WLAN_HT_CAP_SM_PS_DYNAMIC: - idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL : - IWL_NUM_IDLE_CHAINS_SINGLE; - break; - case WLAN_HT_CAP_SM_PS_DISABLED: - break; - case WLAN_HT_CAP_SM_PS_INVALID: + /* # Rx chains when idling, depending on SMPS mode */ + switch (priv->current_ht_config.smps) { + case IEEE80211_SMPS_STATIC: + case IEEE80211_SMPS_DYNAMIC: + return IWL_NUM_IDLE_CHAINS_SINGLE; + case IEEE80211_SMPS_OFF: + return active_cnt; default: - IWL_ERR(priv, "invalid sm_ps mode %u\n", - priv->cfg->sm_ps_mode); - WARN_ON(1); - break; + WARN(1, "invalid SMPS mode %d", + priv->current_ht_config.smps); + return active_cnt; } - return idle_cnt; } /* up to 4 chains */ @@ -1363,7 +1351,9 @@ void iwl_irq_handle_error(struct iwl_priv *priv) clear_bit(STATUS_HCMD_ACTIVE, &priv->status); priv->cfg->ops->lib->dump_nic_error_log(priv); - priv->cfg->ops->lib->dump_nic_event_log(priv, false); + if (priv->cfg->ops->lib->dump_csr) + priv->cfg->ops->lib->dump_csr(priv); + priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false); #ifdef CONFIG_IWLWIFI_DEBUG if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) iwl_print_rx_config_cmd(priv); @@ -2684,6 +2674,21 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); } + if (changed & (IEEE80211_CONF_CHANGE_SMPS | + IEEE80211_CONF_CHANGE_CHANNEL)) { + /* mac80211 uses static for non-HT which is what we want */ + priv->current_ht_config.smps = conf->smps_mode; + + /* + * Recalculate chain counts. + * + * If monitor mode is enabled then mac80211 will + * set up the SM PS mode to OFF if an HT channel is + * configured. + */ + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv); + } /* during scanning mac80211 will delay channel setting until * scan finish with changed = 0 @@ -2780,10 +2785,6 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) iwl_set_tx_power(priv, conf->power_level, false); } - /* call to ensure that 4965 rx_chain is set properly in monitor mode */ - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv); - if (!iwl_is_ready(priv)) { IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); goto out; @@ -3191,6 +3192,77 @@ void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len) EXPORT_SYMBOL(iwl_update_stats); #endif +const static char *get_csr_string(int cmd) +{ + switch (cmd) { + IWL_CMD(CSR_HW_IF_CONFIG_REG); + IWL_CMD(CSR_INT_COALESCING); + IWL_CMD(CSR_INT); + IWL_CMD(CSR_INT_MASK); + IWL_CMD(CSR_FH_INT_STATUS); + IWL_CMD(CSR_GPIO_IN); + IWL_CMD(CSR_RESET); + IWL_CMD(CSR_GP_CNTRL); + IWL_CMD(CSR_HW_REV); + IWL_CMD(CSR_EEPROM_REG); + IWL_CMD(CSR_EEPROM_GP); + IWL_CMD(CSR_OTP_GP_REG); + IWL_CMD(CSR_GIO_REG); + IWL_CMD(CSR_GP_UCODE_REG); + IWL_CMD(CSR_GP_DRIVER_REG); + IWL_CMD(CSR_UCODE_DRV_GP1); + IWL_CMD(CSR_UCODE_DRV_GP2); + IWL_CMD(CSR_LED_REG); + IWL_CMD(CSR_DRAM_INT_TBL_REG); + IWL_CMD(CSR_GIO_CHICKEN_BITS); + IWL_CMD(CSR_ANA_PLL_CFG); + IWL_CMD(CSR_HW_REV_WA_REG); + IWL_CMD(CSR_DBG_HPET_MEM_REG); + default: + return "UNKNOWN"; + + } +} + +void iwl_dump_csr(struct iwl_priv *priv) +{ + int i; + u32 csr_tbl[] = { + CSR_HW_IF_CONFIG_REG, + CSR_INT_COALESCING, + CSR_INT, + CSR_INT_MASK, + CSR_FH_INT_STATUS, + CSR_GPIO_IN, + CSR_RESET, + CSR_GP_CNTRL, + CSR_HW_REV, + CSR_EEPROM_REG, + CSR_EEPROM_GP, + CSR_OTP_GP_REG, + CSR_GIO_REG, + CSR_GP_UCODE_REG, + CSR_GP_DRIVER_REG, + CSR_UCODE_DRV_GP1, + CSR_UCODE_DRV_GP2, + CSR_LED_REG, + CSR_DRAM_INT_TBL_REG, + CSR_GIO_CHICKEN_BITS, + CSR_ANA_PLL_CFG, + CSR_HW_REV_WA_REG, + CSR_DBG_HPET_MEM_REG + }; + IWL_ERR(priv, "CSR values:\n"); + IWL_ERR(priv, "(2nd byte of CSR_INT_COALESCING is " + "CSR_INT_PERIODIC_REG)\n"); + for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) { + IWL_ERR(priv, " %25s: 0X%08x\n", + get_csr_string(csr_tbl[i]), + iwl_read32(priv, csr_tbl[i])); + } +} +EXPORT_SYMBOL(iwl_dump_csr); + #ifdef CONFIG_PM int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 675b7df632f..f7acbb32900 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -169,8 +169,10 @@ struct iwl_lib_ops { int (*is_valid_rtc_data_addr)(u32 addr); /* 1st ucode load */ int (*load_ucode)(struct iwl_priv *priv); - void (*dump_nic_event_log)(struct iwl_priv *priv, bool full_log); + int (*dump_nic_event_log)(struct iwl_priv *priv, + bool full_log, char **buf, bool display); void (*dump_nic_error_log)(struct iwl_priv *priv); + void (*dump_csr)(struct iwl_priv *priv); int (*set_channel_switch)(struct iwl_priv *priv, u16 channel); /* power management */ struct iwl_apm_ops apm_ops; @@ -230,7 +232,6 @@ struct iwl_mod_params { * @chain_noise_num_beacons: number of beacons used to compute chain noise * @adv_thermal_throttle: support advance thermal throttle * @support_ct_kill_exit: support ct kill exit condition - * @sm_ps_mode: spatial multiplexing power save mode * @support_wimax_coexist: support wimax/wifi co-exist * * We enable the driver to be backward compatible wrt API version. The @@ -287,7 +288,6 @@ struct iwl_cfg { const bool supports_idle; bool adv_thermal_throttle; bool support_ct_kill_exit; - u8 sm_ps_mode; const bool support_wimax_coexist; }; @@ -581,7 +581,9 @@ int iwl_pci_resume(struct pci_dev *pdev); * Error Handling Debugging ******************************************************/ void iwl_dump_nic_error_log(struct iwl_priv *priv); -void iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log); +int iwl_dump_nic_event_log(struct iwl_priv *priv, + bool full_log, char **buf, bool display); +void iwl_dump_csr(struct iwl_priv *priv); #ifdef CONFIG_IWLWIFI_DEBUG void iwl_print_rx_config_cmd(struct iwl_priv *priv); #else diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index d61293ab67c..58e0462cafa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -109,6 +109,8 @@ struct iwl_debugfs { struct dentry *file_power_save_status; struct dentry *file_clear_ucode_statistics; struct dentry *file_clear_traffic_statistics; + struct dentry *file_csr; + struct dentry *file_ucode_tracing; } dbgfs_debug_files; u32 sram_offset; u32 sram_len; diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 21e0f6699da..ee5aed12a4b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -420,6 +420,23 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file, return ret; } +static ssize_t iwl_dbgfs_log_event_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + char *buf; + int pos = 0; + ssize_t ret = -ENOMEM; + + pos = priv->cfg->ops->lib->dump_nic_event_log(priv, true, &buf, true); + if (pos && buf) { + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + } + return ret; +} + static ssize_t iwl_dbgfs_log_event_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -436,7 +453,8 @@ static ssize_t iwl_dbgfs_log_event_write(struct file *file, if (sscanf(buf, "%d", &event_log_flag) != 1) return -EFAULT; if (event_log_flag == 1) - priv->cfg->ops->lib->dump_nic_event_log(priv, true); + priv->cfg->ops->lib->dump_nic_event_log(priv, true, + NULL, false); return count; } @@ -859,7 +877,7 @@ static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file, } DEBUGFS_READ_WRITE_FILE_OPS(sram); -DEBUGFS_WRITE_FILE_OPS(log_event); +DEBUGFS_READ_WRITE_FILE_OPS(log_event); DEBUGFS_READ_FILE_OPS(nvm); DEBUGFS_READ_FILE_OPS(stations); DEBUGFS_READ_FILE_OPS(channels); @@ -1845,6 +1863,80 @@ static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, return count; } +static ssize_t iwl_dbgfs_csr_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + char buf[8]; + int buf_size; + int csr; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + if (sscanf(buf, "%d", &csr) != 1) + return -EFAULT; + + if (priv->cfg->ops->lib->dump_csr) + priv->cfg->ops->lib->dump_csr(priv); + + return count; +} + +static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) { + + struct iwl_priv *priv = (struct iwl_priv *)file->private_data; + int pos = 0; + char buf[128]; + const size_t bufsz = sizeof(buf); + ssize_t ret; + + pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", + priv->event_log.ucode_trace ? "On" : "Off"); + pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", + priv->event_log.non_wraps_count); + pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", + priv->event_log.wraps_once_count); + pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", + priv->event_log.wraps_more_count); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + return ret; +} + +static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + char buf[8]; + int buf_size; + int trace; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + if (sscanf(buf, "%d", &trace) != 1) + return -EFAULT; + + if (trace) { + priv->event_log.ucode_trace = true; + /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ + mod_timer(&priv->ucode_trace, + jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); + } else { + priv->event_log.ucode_trace = false; + del_timer_sync(&priv->ucode_trace); + } + + return count; +} + DEBUGFS_READ_FILE_OPS(rx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); @@ -1859,6 +1951,8 @@ DEBUGFS_READ_FILE_OPS(tx_power); DEBUGFS_READ_FILE_OPS(power_save_status); DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); +DEBUGFS_WRITE_FILE_OPS(csr); +DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); /* * Create the debugfs files and directories @@ -1889,7 +1983,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv); DEBUGFS_ADD_FILE(nvm, data, S_IRUSR); DEBUGFS_ADD_FILE(sram, data, S_IWUSR | S_IRUSR); - DEBUGFS_ADD_FILE(log_event, data, S_IWUSR); + DEBUGFS_ADD_FILE(log_event, data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(stations, data, S_IRUSR); DEBUGFS_ADD_FILE(channels, data, S_IRUSR); DEBUGFS_ADD_FILE(status, data, S_IRUSR); @@ -1909,12 +2003,14 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(power_save_status, debug, S_IRUSR); DEBUGFS_ADD_FILE(clear_ucode_statistics, debug, S_IWUSR); DEBUGFS_ADD_FILE(clear_traffic_statistics, debug, S_IWUSR); + DEBUGFS_ADD_FILE(csr, debug, S_IWUSR); if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { DEBUGFS_ADD_FILE(ucode_rx_stats, debug, S_IRUSR); DEBUGFS_ADD_FILE(ucode_tx_stats, debug, S_IRUSR); DEBUGFS_ADD_FILE(ucode_general_stats, debug, S_IRUSR); DEBUGFS_ADD_FILE(sensitivity, debug, S_IRUSR); DEBUGFS_ADD_FILE(chain_noise, debug, S_IRUSR); + DEBUGFS_ADD_FILE(ucode_tracing, debug, S_IWUSR | S_IRUSR); } DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal); DEBUGFS_ADD_BOOL(disable_chain_noise, rf, @@ -1966,6 +2062,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv) file_clear_ucode_statistics); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. file_clear_traffic_statistics); + DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_csr); if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) { DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. file_ucode_rx_stats); @@ -1977,6 +2074,8 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv) file_sensitivity); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. file_chain_noise); + DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files. + file_ucode_tracing); } DEBUGFS_REMOVE(priv->dbgfs->dir_debug); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 165d1f6e2dd..42f9b17327c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -512,6 +512,7 @@ struct iwl_ht_config { bool is_ht; bool is_40mhz; bool single_chain_sufficient; + enum ieee80211_smps_mode smps; /* current smps mode */ /* BSS related data */ u8 extension_chan_offset; u8 ht_protection; @@ -984,6 +985,32 @@ struct iwl_switch_rxon { __le16 channel; }; +/* + * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds + * to perform continuous uCode event logging operation if enabled + */ +#define UCODE_TRACE_PERIOD (100) + +/* + * iwl_event_log: current uCode event log position + * + * @ucode_trace: enable/disable ucode continuous trace timer + * @num_wraps: how many times the event buffer wraps + * @next_entry: the entry just before the next one that uCode would fill + * @non_wraps_count: counter for no wrap detected when dump ucode events + * @wraps_once_count: counter for wrap once detected when dump ucode events + * @wraps_more_count: counter for wrap more than once detected + * when dump ucode events + */ +struct iwl_event_log { + bool ucode_trace; + u32 num_wraps; + u32 next_entry; + int non_wraps_count; + int wraps_once_count; + int wraps_more_count; +}; + struct iwl_priv { /* ieee device used by generic ieee processing code */ @@ -1261,6 +1288,7 @@ struct iwl_priv { u32 disable_tx_power_cal; struct work_struct run_time_calib_work; struct timer_list statistics_periodic; + struct timer_list ucode_trace; bool hw_ready; /*For 3945*/ #define IWL_DEFAULT_TX_POWER 0x0F @@ -1268,6 +1296,8 @@ struct iwl_priv { struct iwl3945_notif_statistics statistics_39; u32 sta_supp_rates; + + struct iwl_event_log event_log; }; /*iwl_priv */ static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id) diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c index e7d88d1da15..bf46308b17f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.c +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c @@ -11,4 +11,6 @@ EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_iowrite32); EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_rx); EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_event); EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_error); +EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_cont_event); +EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_wrap_event); #endif diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h index 21361968ab7..0819f990be6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -65,6 +65,50 @@ TRACE_EVENT(iwlwifi_dev_iowrite32, ); #undef TRACE_SYSTEM +#define TRACE_SYSTEM iwlwifi_ucode + +TRACE_EVENT(iwlwifi_dev_ucode_cont_event, + TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev), + TP_ARGS(priv, time, data, ev), + TP_STRUCT__entry( + PRIV_ENTRY + + __field(u32, time) + __field(u32, data) + __field(u32, ev) + ), + TP_fast_assign( + PRIV_ASSIGN; + __entry->time = time; + __entry->data = data; + __entry->ev = ev; + ), + TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u", + __entry->priv, __entry->time, __entry->data, __entry->ev) +); + +TRACE_EVENT(iwlwifi_dev_ucode_wrap_event, + TP_PROTO(struct iwl_priv *priv, u32 wraps, u32 n_entry, u32 p_entry), + TP_ARGS(priv, wraps, n_entry, p_entry), + TP_STRUCT__entry( + PRIV_ENTRY + + __field(u32, wraps) + __field(u32, n_entry) + __field(u32, p_entry) + ), + TP_fast_assign( + PRIV_ASSIGN; + __entry->wraps = wraps; + __entry->n_entry = n_entry; + __entry->p_entry = p_entry; + ), + TP_printk("[%p] wraps=#%02d n=0x%X p=0x%X", + __entry->priv, __entry->wraps, __entry->n_entry, + __entry->p_entry) +); + +#undef TRACE_SYSTEM #define TRACE_SYSTEM iwlwifi TRACE_EVENT(iwlwifi_dev_hcmd, diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index e5d8fa38432..6533122ed87 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1559,8 +1559,9 @@ void iwl3945_dump_nic_error_log(struct iwl_priv *priv) * iwl3945_print_event_log - Dump error event log to syslog * */ -static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, - u32 num_events, u32 mode) +static int iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, + u32 num_events, u32 mode, + int pos, char **buf, size_t bufsz) { u32 i; u32 base; /* SRAM byte address of event log header */ @@ -1570,7 +1571,7 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, unsigned long reg_flags; if (num_events == 0) - return; + return pos; base = le32_to_cpu(priv->card_alive.log_event_table_ptr); @@ -1596,26 +1597,43 @@ static void iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); if (mode == 0) { /* data, ev */ - IWL_ERR(priv, "0x%08x\t%04u\n", time, ev); - trace_iwlwifi_dev_ucode_event(priv, 0, time, ev); + if (bufsz) { + pos += scnprintf(*buf + pos, bufsz - pos, + "0x%08x:%04u\n", + time, ev); + } else { + IWL_ERR(priv, "0x%08x\t%04u\n", time, ev); + trace_iwlwifi_dev_ucode_event(priv, 0, + time, ev); + } } else { data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT); - IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", time, data, ev); - trace_iwlwifi_dev_ucode_event(priv, time, data, ev); + if (bufsz) { + pos += scnprintf(*buf + pos, bufsz - pos, + "%010u:0x%08x:%04u\n", + time, data, ev); + } else { + IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", + time, data, ev); + trace_iwlwifi_dev_ucode_event(priv, time, + data, ev); + } } } /* Allow device to power down */ iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->reg_lock, reg_flags); + return pos; } /** * iwl3945_print_last_event_logs - Dump the newest # of event log to syslog */ -static void iwl3945_print_last_event_logs(struct iwl_priv *priv, u32 capacity, +static int iwl3945_print_last_event_logs(struct iwl_priv *priv, u32 capacity, u32 num_wraps, u32 next_entry, - u32 size, u32 mode) + u32 size, u32 mode, + int pos, char **buf, size_t bufsz) { /* * display the newest DEFAULT_LOG_ENTRIES entries @@ -1623,21 +1641,28 @@ static void iwl3945_print_last_event_logs(struct iwl_priv *priv, u32 capacity, */ if (num_wraps) { if (next_entry < size) { - iwl3945_print_event_log(priv, - capacity - (size - next_entry), - size - next_entry, mode); - iwl3945_print_event_log(priv, 0, - next_entry, mode); + pos = iwl3945_print_event_log(priv, + capacity - (size - next_entry), + size - next_entry, mode, + pos, buf, bufsz); + pos = iwl3945_print_event_log(priv, 0, + next_entry, mode, + pos, buf, bufsz); } else - iwl3945_print_event_log(priv, next_entry - size, - size, mode); + pos = iwl3945_print_event_log(priv, next_entry - size, + size, mode, + pos, buf, bufsz); } else { if (next_entry < size) - iwl3945_print_event_log(priv, 0, next_entry, mode); + pos = iwl3945_print_event_log(priv, 0, + next_entry, mode, + pos, buf, bufsz); else - iwl3945_print_event_log(priv, next_entry - size, - size, mode); + pos = iwl3945_print_event_log(priv, next_entry - size, + size, mode, + pos, buf, bufsz); } + return pos; } /* For sanity check only. Actual size is determined by uCode, typ. 512 */ @@ -1645,7 +1670,8 @@ static void iwl3945_print_last_event_logs(struct iwl_priv *priv, u32 capacity, #define DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES (20) -void iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log) +int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log, + char **buf, bool display) { u32 base; /* SRAM byte address of event log header */ u32 capacity; /* event log capacity in # entries */ @@ -1653,11 +1679,13 @@ void iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log) u32 num_wraps; /* # times uCode wrapped to top of log */ u32 next_entry; /* index of next entry to be written by uCode */ u32 size; /* # entries that we'll print */ + int pos = 0; + size_t bufsz = 0; base = le32_to_cpu(priv->card_alive.log_event_table_ptr); if (!iwl3945_hw_valid_rtc_data_addr(base)) { IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base); - return; + return pos; } /* event log header */ @@ -1683,7 +1711,7 @@ void iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log) /* bail out if nothing in log */ if (size == 0) { IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n"); - return; + return pos; } #ifdef CONFIG_IWLWIFI_DEBUG @@ -1699,25 +1727,38 @@ void iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log) size); #ifdef CONFIG_IWLWIFI_DEBUG + if (display) { + if (full_log) + bufsz = capacity * 48; + else + bufsz = size * 48; + *buf = kmalloc(bufsz, GFP_KERNEL); + if (!*buf) + return pos; + } if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) { /* if uCode has wrapped back to top of log, * start at the oldest entry, * i.e the next one that uCode would fill. */ if (num_wraps) - iwl3945_print_event_log(priv, next_entry, - capacity - next_entry, mode); + pos = iwl3945_print_event_log(priv, next_entry, + capacity - next_entry, mode, + pos, buf, bufsz); /* (then/else) start at top of log */ - iwl3945_print_event_log(priv, 0, next_entry, mode); + pos = iwl3945_print_event_log(priv, 0, next_entry, mode, + pos, buf, bufsz); } else - iwl3945_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode); + pos = iwl3945_print_last_event_logs(priv, capacity, num_wraps, + next_entry, size, mode, + pos, buf, bufsz); #else - iwl3945_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode); + pos = iwl3945_print_last_event_logs(priv, capacity, num_wraps, + next_entry, size, mode, + pos, buf, bufsz); #endif - + return pos; } static void iwl3945_irq_tasklet(struct iwl_priv *priv) diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c index 3db3d8b0749..fd399e6b193 100644 --- a/drivers/net/wireless/iwmc3200wifi/rx.c +++ b/drivers/net/wireless/iwmc3200wifi/rx.c @@ -868,36 +868,35 @@ static int iwm_mlme_mgt_frame(struct iwm_priv *iwm, u8 *buf, struct iwm_umac_notif_mgt_frame *mgt_frame = (struct iwm_umac_notif_mgt_frame *)buf; struct ieee80211_mgmt *mgt = (struct ieee80211_mgmt *)mgt_frame->frame; - u8 *ie; IWM_HEXDUMP(iwm, DBG, MLME, "MGT: ", mgt_frame->frame, le16_to_cpu(mgt_frame->len)); if (ieee80211_is_assoc_req(mgt->frame_control)) { - ie = mgt->u.assoc_req.variable;; - iwm->req_ie_len = - le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt); + iwm->req_ie_len = le16_to_cpu(mgt_frame->len) + - offsetof(struct ieee80211_mgmt, + u.assoc_req.variable); kfree(iwm->req_ie); iwm->req_ie = kmemdup(mgt->u.assoc_req.variable, iwm->req_ie_len, GFP_KERNEL); } else if (ieee80211_is_reassoc_req(mgt->frame_control)) { - ie = mgt->u.reassoc_req.variable;; - iwm->req_ie_len = - le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt); + iwm->req_ie_len = le16_to_cpu(mgt_frame->len) + - offsetof(struct ieee80211_mgmt, + u.reassoc_req.variable); kfree(iwm->req_ie); iwm->req_ie = kmemdup(mgt->u.reassoc_req.variable, iwm->req_ie_len, GFP_KERNEL); } else if (ieee80211_is_assoc_resp(mgt->frame_control)) { - ie = mgt->u.assoc_resp.variable;; - iwm->resp_ie_len = - le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt); + iwm->resp_ie_len = le16_to_cpu(mgt_frame->len) + - offsetof(struct ieee80211_mgmt, + u.assoc_resp.variable); kfree(iwm->resp_ie); iwm->resp_ie = kmemdup(mgt->u.assoc_resp.variable, iwm->resp_ie_len, GFP_KERNEL); } else if (ieee80211_is_reassoc_resp(mgt->frame_control)) { - ie = mgt->u.reassoc_resp.variable;; - iwm->resp_ie_len = - le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt); + iwm->resp_ie_len = le16_to_cpu(mgt_frame->len) + - offsetof(struct ieee80211_mgmt, + u.reassoc_resp.variable); kfree(iwm->resp_ie); iwm->resp_ie = kmemdup(mgt->u.reassoc_resp.variable, iwm->resp_ie_len, GFP_KERNEL); @@ -1534,6 +1533,33 @@ static void classify8023(struct sk_buff *skb) } } +static void iwm_rx_process_amsdu(struct iwm_priv *iwm, struct sk_buff *skb) +{ + struct wireless_dev *wdev = iwm_to_wdev(iwm); + struct net_device *ndev = iwm_to_ndev(iwm); + struct sk_buff_head list; + struct sk_buff *frame; + + IWM_HEXDUMP(iwm, DBG, RX, "A-MSDU: ", skb->data, skb->len); + + __skb_queue_head_init(&list); + ieee80211_amsdu_to_8023s(skb, &list, ndev->dev_addr, wdev->iftype, 0); + + while ((frame = __skb_dequeue(&list))) { + ndev->stats.rx_packets++; + ndev->stats.rx_bytes += frame->len; + + frame->protocol = eth_type_trans(frame, ndev); + frame->ip_summed = CHECKSUM_NONE; + memset(frame->cb, 0, sizeof(frame->cb)); + + if (netif_rx_ni(frame) == NET_RX_DROP) { + IWM_ERR(iwm, "Packet dropped\n"); + ndev->stats.rx_dropped++; + } + } +} + static void iwm_rx_process_packet(struct iwm_priv *iwm, struct iwm_rx_packet *packet, struct iwm_rx_ticket_node *ticket_node) @@ -1548,25 +1574,34 @@ static void iwm_rx_process_packet(struct iwm_priv *iwm, switch (le16_to_cpu(ticket_node->ticket->action)) { case IWM_RX_TICKET_RELEASE: IWM_DBG_RX(iwm, DBG, "RELEASE packet\n"); - classify8023(skb); + iwm_rx_adjust_packet(iwm, packet, ticket_node); + skb->dev = iwm_to_ndev(iwm); + classify8023(skb); + + if (le16_to_cpu(ticket_node->ticket->flags) & + IWM_RX_TICKET_AMSDU_MSK) { + iwm_rx_process_amsdu(iwm, skb); + break; + } + ret = ieee80211_data_to_8023(skb, ndev->dev_addr, wdev->iftype); if (ret < 0) { IWM_DBG_RX(iwm, DBG, "Couldn't convert 802.11 header - " "%d\n", ret); + kfree_skb(packet->skb); break; } IWM_HEXDUMP(iwm, DBG, RX, "802.3: ", skb->data, skb->len); - skb->dev = iwm_to_ndev(iwm); + ndev->stats.rx_packets++; + ndev->stats.rx_bytes += skb->len; + skb->protocol = eth_type_trans(skb, ndev); skb->ip_summed = CHECKSUM_NONE; memset(skb->cb, 0, sizeof(skb->cb)); - ndev->stats.rx_packets++; - ndev->stats.rx_bytes += skb->len; - if (netif_rx_ni(skb) == NET_RX_DROP) { IWM_ERR(iwm, "Packet dropped\n"); ndev->stats.rx_dropped++; diff --git a/drivers/net/wireless/libertas/Kconfig b/drivers/net/wireless/libertas/Kconfig index 30aa9d48d67..0485c995757 100644 --- a/drivers/net/wireless/libertas/Kconfig +++ b/drivers/net/wireless/libertas/Kconfig @@ -37,3 +37,9 @@ config LIBERTAS_DEBUG depends on LIBERTAS ---help--- Debugging support. + +config LIBERTAS_MESH + bool "Enable mesh support" + depends on LIBERTAS + help + This enables Libertas' MESH support, used by e.g. the OLPC people. diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile index b188cd97a05..45e870e3311 100644 --- a/drivers/net/wireless/libertas/Makefile +++ b/drivers/net/wireless/libertas/Makefile @@ -5,11 +5,11 @@ libertas-y += cmdresp.o libertas-y += debugfs.o libertas-y += ethtool.o libertas-y += main.o -libertas-y += mesh.o libertas-y += rx.o libertas-y += scan.o libertas-y += tx.o libertas-y += wext.o +libertas-$(CONFIG_LIBERTAS_MESH) += mesh.o usb8xxx-objs += if_usb.o libertas_cs-objs += if_cs.o diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c index 751067369ba..5e650f35841 100644 --- a/drivers/net/wireless/libertas/assoc.c +++ b/drivers/net/wireless/libertas/assoc.c @@ -390,10 +390,8 @@ int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv, cmd.enablehwauto = cpu_to_le16(priv->enablehwauto); cmd.bitmap = lbs_rate_to_fw_bitmap(priv->cur_rate, priv->enablehwauto); ret = lbs_cmd_with_response(priv, CMD_802_11_RATE_ADAPT_RATESET, &cmd); - if (!ret && cmd_action == CMD_ACT_GET) { - priv->ratebitmap = le16_to_cpu(cmd.bitmap); + if (!ret && cmd_action == CMD_ACT_GET) priv->enablehwauto = le16_to_cpu(cmd.enablehwauto); - } lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); return ret; @@ -807,8 +805,7 @@ static int lbs_try_associate(struct lbs_private *priv, } /* Use short preamble only when both the BSS and firmware support it */ - if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) && - (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) + if (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE) preamble = RADIO_PREAMBLE_SHORT; ret = lbs_set_radio(priv, preamble, 1); @@ -939,8 +936,7 @@ static int lbs_adhoc_join(struct lbs_private *priv, } /* Use short preamble only when both the BSS and firmware support it */ - if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) && - (bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) { + if (bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) { lbs_deb_join("AdhocJoin: Short preamble\n"); preamble = RADIO_PREAMBLE_SHORT; } @@ -1049,7 +1045,7 @@ static int lbs_adhoc_start(struct lbs_private *priv, struct assoc_request *assoc_req) { struct cmd_ds_802_11_ad_hoc_start cmd; - u8 preamble = RADIO_PREAMBLE_LONG; + u8 preamble = RADIO_PREAMBLE_SHORT; size_t ratesize = 0; u16 tmpcap = 0; int ret = 0; @@ -1057,11 +1053,6 @@ static int lbs_adhoc_start(struct lbs_private *priv, lbs_deb_enter(LBS_DEB_ASSOC); - if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) { - lbs_deb_join("ADHOC_START: Will use short preamble\n"); - preamble = RADIO_PREAMBLE_SHORT; - } - ret = lbs_set_radio(priv, preamble, 1); if (ret) goto out; diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index b9b371bfa30..42051f7cad6 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -143,19 +143,6 @@ int lbs_update_hw_spec(struct lbs_private *priv) lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n", cmd.hwifversion, cmd.version); - /* Determine mesh_fw_ver from fwrelease and fwcapinfo */ - /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */ - /* 5.110.22 have mesh command with 0xa3 command id */ - /* 10.0.0.p0 FW brings in mesh config command with different id */ - /* Check FW version MSB and initialize mesh_fw_ver */ - if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) - priv->mesh_fw_ver = MESH_FW_OLD; - else if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && - (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) - priv->mesh_fw_ver = MESH_FW_NEW; - else - priv->mesh_fw_ver = MESH_NONE; - /* Clamp region code to 8-bit since FW spec indicates that it should * only ever be 8-bit, even though the field size is 16-bit. Some firmware * returns non-zero high 8 bits here. @@ -855,9 +842,6 @@ int lbs_set_radio(struct lbs_private *priv, u8 preamble, u8 radio_on) if (priv->fwrelease < 0x09000000) { switch (preamble) { case RADIO_PREAMBLE_SHORT: - if (!(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) - goto out; - /* Fall through */ case RADIO_PREAMBLE_AUTO: case RADIO_PREAMBLE_LONG: cmd.control = cpu_to_le16(preamble); @@ -1011,6 +995,8 @@ int lbs_prepare_and_send_command(struct lbs_private *priv, ret = 0; break; +#ifdef CONFIG_LIBERTAS_MESH + case CMD_BT_ACCESS: ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf); break; @@ -1019,6 +1005,8 @@ int lbs_prepare_and_send_command(struct lbs_private *priv, ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf); break; +#endif + case CMD_802_11_BEACON_CTRL: ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action); break; @@ -1317,7 +1305,7 @@ int lbs_execute_next_command(struct lbs_private *priv) if ((priv->psmode != LBS802_11POWERMODECAM) && (priv->psstate == PS_STATE_FULL_POWER) && ((priv->connect_status == LBS_CONNECTED) || - (priv->mesh_connect_status == LBS_CONNECTED))) { + lbs_mesh_connected(priv))) { if (priv->secinfo.WPAenabled || priv->secinfo.WPA2enabled) { /* check for valid WPA group keys */ diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h index 2862748aef7..cb4138a55fd 100644 --- a/drivers/net/wireless/libertas/cmd.h +++ b/drivers/net/wireless/libertas/cmd.h @@ -110,18 +110,6 @@ int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val); int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val); -/* Mesh related */ - -int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action, - struct cmd_ds_mesh_access *cmd); - -int lbs_mesh_config_send(struct lbs_private *priv, - struct cmd_ds_mesh_config *cmd, - uint16_t action, uint16_t type); - -int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan); - - /* Commands only used in wext.c, assoc. and scan.c */ int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0, diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index 21d57690c20..0334a58820e 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -485,20 +485,8 @@ int lbs_process_event(struct lbs_private *priv, u32 event) break; case MACREG_INT_CODE_MESH_AUTO_STARTED: - /* Ignore spurious autostart events if autostart is disabled */ - if (!priv->mesh_autostart_enabled) { - lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n"); - break; - } - lbs_pr_info("EVENT: MESH_AUTO_STARTED\n"); - priv->mesh_connect_status = LBS_CONNECTED; - if (priv->mesh_open) { - netif_carrier_on(priv->mesh_dev); - if (!priv->tx_pending_len) - netif_wake_queue(priv->mesh_dev); - } - priv->mode = IW_MODE_ADHOC; - schedule_work(&priv->sync_channel); + /* Ignore spurious autostart events */ + lbs_pr_info("EVENT: MESH_AUTO_STARTED (ignoring)\n"); break; default: diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h index 6b6ea9f7bf5..ea3f10ef4e0 100644 --- a/drivers/net/wireless/libertas/defs.h +++ b/drivers/net/wireless/libertas/defs.h @@ -397,13 +397,6 @@ enum KEY_INFO_WPA { KEY_INFO_WPA_ENABLED = 0x04 }; -/** mesh_fw_ver */ -enum _mesh_fw_ver { - MESH_NONE = 0, /* MESH is not supported */ - MESH_FW_OLD, /* MESH is supported in FW V5 */ - MESH_FW_NEW, /* MESH is supported in FW V10 and newer */ -}; - /* Default values for fwt commands. */ #define FWT_DEFAULT_METRIC 0 #define FWT_DEFAULT_DIR 1 diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h index 6a8d2b291d8..d5a9dcae405 100644 --- a/drivers/net/wireless/libertas/dev.h +++ b/drivers/net/wireless/libertas/dev.h @@ -39,15 +39,14 @@ struct lbs_private { /* Mesh */ struct net_device *mesh_dev; /* Virtual device */ +#ifdef CONFIG_LIBERTAS_MESH u32 mesh_connect_status; struct lbs_mesh_stats mstats; int mesh_open; - int mesh_fw_ver; - int mesh_autostart_enabled; uint16_t mesh_tlv; u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1]; u8 mesh_ssid_len; - struct work_struct sync_channel; +#endif /* Monitor mode */ struct net_device *rtap_net_dev; @@ -176,9 +175,7 @@ struct lbs_private { struct bss_descriptor *networks; struct assoc_request * pending_assoc_req; struct assoc_request * in_progress_assoc_req; - u16 capability; uint16_t enablehwauto; - uint16_t ratebitmap; /* ADHOC */ u16 beacon_period; diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c index 63d020374c2..3804a58d7f4 100644 --- a/drivers/net/wireless/libertas/ethtool.c +++ b/drivers/net/wireless/libertas/ethtool.c @@ -114,9 +114,11 @@ const struct ethtool_ops lbs_ethtool_ops = { .get_drvinfo = lbs_ethtool_get_drvinfo, .get_eeprom = lbs_ethtool_get_eeprom, .get_eeprom_len = lbs_ethtool_get_eeprom_len, +#ifdef CONFIG_LIBERTAS_MESH .get_sset_count = lbs_mesh_ethtool_get_sset_count, .get_ethtool_stats = lbs_mesh_ethtool_get_stats, .get_strings = lbs_mesh_ethtool_get_strings, +#endif .get_wol = lbs_ethtool_get_wol, .set_wol = lbs_ethtool_set_wol, }; diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index db38a5a719f..f9f195f7b17 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -123,7 +123,7 @@ static ssize_t lbs_rtap_set(struct device *dev, if (priv->monitormode == monitor_mode) return strlen(buf); if (!priv->monitormode) { - if (priv->infra_open || priv->mesh_open) + if (priv->infra_open || lbs_mesh_open(priv)) return -EBUSY; if (priv->mode == IW_MODE_INFRA) lbs_cmd_80211_deauthenticate(priv, @@ -619,7 +619,7 @@ static int lbs_thread(void *data) if (priv->connect_status == LBS_CONNECTED) netif_wake_queue(priv->dev); if (priv->mesh_dev && - priv->mesh_connect_status == LBS_CONNECTED) + lbs_mesh_connected(priv)) netif_wake_queue(priv->mesh_dev); } } @@ -806,18 +806,6 @@ int lbs_exit_auto_deep_sleep(struct lbs_private *priv) return 0; } -static void lbs_sync_channel_worker(struct work_struct *work) -{ - struct lbs_private *priv = container_of(work, struct lbs_private, - sync_channel); - - lbs_deb_enter(LBS_DEB_MAIN); - if (lbs_update_channel(priv)) - lbs_pr_info("Channel synchronization failed."); - lbs_deb_leave(LBS_DEB_MAIN); -} - - static int lbs_init_adapter(struct lbs_private *priv) { size_t bufsize; @@ -845,14 +833,12 @@ static int lbs_init_adapter(struct lbs_private *priv) memset(priv->current_addr, 0xff, ETH_ALEN); priv->connect_status = LBS_DISCONNECTED; - priv->mesh_connect_status = LBS_DISCONNECTED; priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM; priv->mode = IW_MODE_INFRA; priv->channel = DEFAULT_AD_HOC_CHANNEL; priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; priv->radio_on = 1; priv->enablehwauto = 1; - priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE; priv->psmode = LBS802_11POWERMODECAM; priv->psstate = PS_STATE_FULL_POWER; priv->is_deep_sleep = 0; @@ -997,11 +983,6 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev) INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker); INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker); INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker); - INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker); - - priv->mesh_open = 0; - sprintf(priv->mesh_ssid, "mesh"); - priv->mesh_ssid_len = 4; priv->wol_criteria = 0xffffffff; priv->wol_gpio = 0xff; @@ -1075,6 +1056,17 @@ void lbs_remove_card(struct lbs_private *priv) EXPORT_SYMBOL_GPL(lbs_remove_card); +static int lbs_rtap_supported(struct lbs_private *priv) +{ + if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) + return 1; + + /* newer firmware use a capability mask */ + return ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && + (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)); +} + + int lbs_start_card(struct lbs_private *priv) { struct net_device *dev = priv->dev; @@ -1094,12 +1086,14 @@ int lbs_start_card(struct lbs_private *priv) lbs_update_channel(priv); + lbs_init_mesh(priv); + /* * While rtap isn't related to mesh, only mesh-enabled * firmware implements the rtap functionality via * CMD_802_11_MONITOR_MODE. */ - if (lbs_init_mesh(priv)) { + if (lbs_rtap_supported(priv)) { if (device_create_file(&dev->dev, &dev_attr_lbs_rtap)) lbs_pr_err("cannot register lbs_rtap attribute\n"); } @@ -1133,7 +1127,9 @@ void lbs_stop_card(struct lbs_private *priv) netif_carrier_off(dev); lbs_debugfs_remove_one(priv); - if (lbs_deinit_mesh(priv)) + lbs_deinit_mesh(priv); + + if (lbs_rtap_supported(priv)) device_remove_file(&dev->dev, &dev_attr_lbs_rtap); /* Delete the timeout of the currently processing command */ diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c index 2f91c9b808a..954cd00f745 100644 --- a/drivers/net/wireless/libertas/mesh.c +++ b/drivers/net/wireless/libertas/mesh.c @@ -1,4 +1,3 @@ -#include <linux/moduleparam.h> #include <linux/delay.h> #include <linux/etherdevice.h> #include <linux/netdevice.h> @@ -196,7 +195,14 @@ int lbs_init_mesh(struct lbs_private *priv) lbs_deb_enter(LBS_DEB_MESH); - if (priv->mesh_fw_ver == MESH_FW_OLD) { + priv->mesh_connect_status = LBS_DISCONNECTED; + + /* Determine mesh_fw_ver from fwrelease and fwcapinfo */ + /* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */ + /* 5.110.22 have mesh command with 0xa3 command id */ + /* 10.0.0.p0 FW brings in mesh config command with different id */ + /* Check FW version MSB and initialize mesh_fw_ver */ + if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) { /* Enable mesh, if supported, and work out which TLV it uses. 0x100 + 291 is an unofficial value used in 5.110.20.pXX 0x100 + 37 is the official value used in 5.110.21.pXX @@ -218,7 +224,9 @@ int lbs_init_mesh(struct lbs_private *priv) priv->channel)) priv->mesh_tlv = 0; } - } else if (priv->mesh_fw_ver == MESH_FW_NEW) { + } else + if ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && + (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)) { /* 10.0.0.pXX new firmwares should succeed with TLV * 0x100+37; Do not invoke command with old TLV. */ @@ -227,7 +235,12 @@ int lbs_init_mesh(struct lbs_private *priv) priv->channel)) priv->mesh_tlv = 0; } + + if (priv->mesh_tlv) { + sprintf(priv->mesh_ssid, "mesh"); + priv->mesh_ssid_len = 4; + lbs_add_mesh(priv); if (device_create_file(&dev->dev, &dev_attr_lbs_mesh)) @@ -416,10 +429,10 @@ struct net_device *lbs_mesh_set_dev(struct lbs_private *priv, struct net_device *dev, struct rxpd *rxpd) { if (priv->mesh_dev) { - if (priv->mesh_fw_ver == MESH_FW_OLD) { + if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) { if (rxpd->rx_control & RxPD_MESH_FRAME) dev = priv->mesh_dev; - } else if (priv->mesh_fw_ver == MESH_FW_NEW) { + } else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) { if (rxpd->u.bss.bss_num == MESH_IFACE_ID) dev = priv->mesh_dev; } @@ -432,9 +445,9 @@ void lbs_mesh_set_txpd(struct lbs_private *priv, struct net_device *dev, struct txpd *txpd) { if (dev == priv->mesh_dev) { - if (priv->mesh_fw_ver == MESH_FW_OLD) + if (priv->mesh_tlv == TLV_TYPE_OLD_MESH_ID) txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME); - else if (priv->mesh_fw_ver == MESH_FW_NEW) + else if (priv->mesh_tlv == TLV_TYPE_MESH_ID) txpd->u.bss.bss_num = MESH_IFACE_ID; } } @@ -538,7 +551,7 @@ static int __lbs_mesh_config_send(struct lbs_private *priv, * Command id is 0xac for v10 FW along with mesh interface * id in bits 14-13-12. */ - if (priv->mesh_fw_ver == MESH_FW_NEW) + if (priv->mesh_tlv == TLV_TYPE_MESH_ID) command = CMD_MESH_CONFIG | (MESH_IFACE_ID << MESH_IFACE_BIT_OFFSET); diff --git a/drivers/net/wireless/libertas/mesh.h b/drivers/net/wireless/libertas/mesh.h index fea9b5d005f..e2573303a32 100644 --- a/drivers/net/wireless/libertas/mesh.h +++ b/drivers/net/wireless/libertas/mesh.h @@ -9,6 +9,8 @@ #include <net/lib80211.h> +#ifdef CONFIG_LIBERTAS_MESH + /* Mesh statistics */ struct lbs_mesh_stats { u32 fwd_bcast_cnt; /* Fwd: Broadcast counter */ @@ -46,11 +48,20 @@ void lbs_mesh_set_txpd(struct lbs_private *priv, /* Command handling */ struct cmd_ds_command; +struct cmd_ds_mesh_access; +struct cmd_ds_mesh_config; int lbs_cmd_bt_access(struct cmd_ds_command *cmd, u16 cmd_action, void *pdata_buf); int lbs_cmd_fwt_access(struct cmd_ds_command *cmd, u16 cmd_action, void *pdata_buf); +int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action, + struct cmd_ds_mesh_access *cmd); +int lbs_mesh_config_send(struct lbs_private *priv, + struct cmd_ds_mesh_config *cmd, + uint16_t action, uint16_t type); +int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan); + /* Persistent configuration */ @@ -75,4 +86,25 @@ void lbs_mesh_ethtool_get_strings(struct net_device *dev, uint32_t stringset, uint8_t *s); +/* Accessors */ + +#define lbs_mesh_open(priv) (priv->mesh_open) +#define lbs_mesh_connected(priv) (priv->mesh_connect_status == LBS_CONNECTED) + +#else + +#define lbs_init_mesh(priv) +#define lbs_deinit_mesh(priv) +#define lbs_add_mesh(priv) +#define lbs_remove_mesh(priv) +#define lbs_mesh_set_dev(priv, dev, rxpd) (dev) +#define lbs_mesh_set_txpd(priv, dev, txpd) +#define lbs_mesh_config(priv, enable, chan) +#define lbs_mesh_open(priv) (0) +#define lbs_mesh_connected(priv) (0) + +#endif + + + #endif diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index c6a6c042b82..4a0c3e3cd3b 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -640,7 +640,7 @@ out: if (!priv->tx_pending_len) netif_wake_queue(priv->dev); } - if (priv->mesh_dev && (priv->mesh_connect_status == LBS_CONNECTED)) { + if (priv->mesh_dev && lbs_mesh_connected(priv)) { netif_carrier_on(priv->mesh_dev); if (!priv->tx_pending_len) netif_wake_queue(priv->mesh_dev); diff --git a/drivers/net/wireless/libertas/tx.c b/drivers/net/wireless/libertas/tx.c index 315d1ce286c..52d244ea3d9 100644 --- a/drivers/net/wireless/libertas/tx.c +++ b/drivers/net/wireless/libertas/tx.c @@ -198,7 +198,7 @@ void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count) if (priv->connect_status == LBS_CONNECTED) netif_wake_queue(priv->dev); - if (priv->mesh_dev && (priv->mesh_connect_status == LBS_CONNECTED)) + if (priv->mesh_dev && lbs_mesh_connected(priv)) netif_wake_queue(priv->mesh_dev); } EXPORT_SYMBOL_GPL(lbs_send_tx_feedback); diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c index 4b1aab593a8..71f88a08e09 100644 --- a/drivers/net/wireless/libertas/wext.c +++ b/drivers/net/wireless/libertas/wext.c @@ -192,7 +192,7 @@ static void copy_active_data_rates(struct lbs_private *priv, u8 *rates) lbs_deb_enter(LBS_DEB_WEXT); if ((priv->connect_status != LBS_CONNECTED) && - (priv->mesh_connect_status != LBS_CONNECTED)) + !lbs_mesh_connected(priv)) memcpy(rates, lbs_bg_rates, MAX_RATES); else memcpy(rates, priv->curbssparams.rates, MAX_RATES); @@ -298,6 +298,7 @@ static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info, return 0; } +#ifdef CONFIG_LIBERTAS_MESH static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) { @@ -307,7 +308,7 @@ static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info, /* Use nickname to indicate that mesh is on */ - if (priv->mesh_connect_status == LBS_CONNECTED) { + if (lbs_mesh_connected(priv)) { strncpy(extra, "Mesh", 12); extra[12] = '\0'; dwrq->length = strlen(extra); @@ -321,6 +322,7 @@ static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info, lbs_deb_leave(LBS_DEB_WEXT); return 0; } +#endif static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) @@ -422,6 +424,7 @@ static int lbs_get_mode(struct net_device *dev, return 0; } +#ifdef CONFIG_LIBERTAS_MESH static int mesh_wlan_get_mode(struct net_device *dev, struct iw_request_info *info, u32 * uwrq, char *extra) @@ -433,6 +436,7 @@ static int mesh_wlan_get_mode(struct net_device *dev, lbs_deb_leave(LBS_DEB_WEXT); return 0; } +#endif static int lbs_get_txpow(struct net_device *dev, struct iw_request_info *info, @@ -863,7 +867,7 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev) /* If we're not associated, all quality values are meaningless */ if ((priv->connect_status != LBS_CONNECTED) && - (priv->mesh_connect_status != LBS_CONNECTED)) + !lbs_mesh_connected(priv)) goto out; /* Quality by RSSI */ @@ -1010,6 +1014,7 @@ out: return ret; } +#ifdef CONFIG_LIBERTAS_MESH static int lbs_mesh_set_freq(struct net_device *dev, struct iw_request_info *info, struct iw_freq *fwrq, char *extra) @@ -1061,6 +1066,7 @@ out: lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } +#endif static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info, struct iw_param *vwrq, char *extra) @@ -2108,6 +2114,7 @@ out: return ret; } +#ifdef CONFIG_LIBERTAS_MESH static int lbs_mesh_get_essid(struct net_device *dev, struct iw_request_info *info, struct iw_point *dwrq, char *extra) @@ -2161,6 +2168,7 @@ static int lbs_mesh_set_essid(struct net_device *dev, lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret); return ret; } +#endif /** * @brief Connect to the AP or Ad-hoc Network with specific bssid @@ -2267,7 +2275,13 @@ static const iw_handler lbs_handler[] = { (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */ (iw_handler) NULL, /* SIOCSIWPMKSA */ }; +struct iw_handler_def lbs_handler_def = { + .num_standard = ARRAY_SIZE(lbs_handler), + .standard = (iw_handler *) lbs_handler, + .get_wireless_stats = lbs_get_wireless_stats, +}; +#ifdef CONFIG_LIBERTAS_MESH static const iw_handler mesh_wlan_handler[] = { (iw_handler) NULL, /* SIOCSIWCOMMIT */ (iw_handler) lbs_get_name, /* SIOCGIWNAME */ @@ -2325,14 +2339,10 @@ static const iw_handler mesh_wlan_handler[] = { (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */ (iw_handler) NULL, /* SIOCSIWPMKSA */ }; -struct iw_handler_def lbs_handler_def = { - .num_standard = ARRAY_SIZE(lbs_handler), - .standard = (iw_handler *) lbs_handler, - .get_wireless_stats = lbs_get_wireless_stats, -}; struct iw_handler_def mesh_handler_def = { .num_standard = ARRAY_SIZE(mesh_wlan_handler), .standard = (iw_handler *) mesh_wlan_handler, .get_wireless_stats = lbs_get_wireless_stats, }; +#endif diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 88e41176e7f..718a5f198c3 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -436,6 +436,38 @@ static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data, } +struct mac80211_hwsim_addr_match_data { + bool ret; + const u8 *addr; +}; + +static void mac80211_hwsim_addr_iter(void *data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct mac80211_hwsim_addr_match_data *md = data; + if (memcmp(mac, md->addr, ETH_ALEN) == 0) + md->ret = true; +} + + +static bool mac80211_hwsim_addr_match(struct mac80211_hwsim_data *data, + const u8 *addr) +{ + struct mac80211_hwsim_addr_match_data md; + + if (memcmp(addr, data->hw->wiphy->perm_addr, ETH_ALEN) == 0) + return true; + + md.ret = false; + md.addr = addr; + ieee80211_iterate_active_interfaces_atomic(data->hw, + mac80211_hwsim_addr_iter, + &md); + + return md.ret; +} + + static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw, struct sk_buff *skb) { @@ -488,8 +520,7 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw, if (nskb == NULL) continue; - if (memcmp(hdr->addr1, data2->hw->wiphy->perm_addr, - ETH_ALEN) == 0) + if (mac80211_hwsim_addr_match(data2, hdr->addr1)) ack = true; memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status)); ieee80211_rx_irqsafe(data2->hw, nskb); @@ -618,12 +649,26 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed) { struct mac80211_hwsim_data *data = hw->priv; struct ieee80211_conf *conf = &hw->conf; - - printk(KERN_DEBUG "%s:%s (freq=%d idle=%d ps=%d)\n", + static const char *chantypes[4] = { + [NL80211_CHAN_NO_HT] = "noht", + [NL80211_CHAN_HT20] = "ht20", + [NL80211_CHAN_HT40MINUS] = "ht40-", + [NL80211_CHAN_HT40PLUS] = "ht40+", + }; + static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = { + [IEEE80211_SMPS_AUTOMATIC] = "auto", + [IEEE80211_SMPS_OFF] = "off", + [IEEE80211_SMPS_STATIC] = "static", + [IEEE80211_SMPS_DYNAMIC] = "dynamic", + }; + + printk(KERN_DEBUG "%s:%s (freq=%d/%s idle=%d ps=%d smps=%s)\n", wiphy_name(hw->wiphy), __func__, conf->channel->center_freq, + chantypes[conf->channel_type], !!(conf->flags & IEEE80211_CONF_IDLE), - !!(conf->flags & IEEE80211_CONF_PS)); + !!(conf->flags & IEEE80211_CONF_PS), + smps_modes[conf->smps_mode]); data->idle = !!(conf->flags & IEEE80211_CONF_IDLE); @@ -827,6 +872,31 @@ static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw, } #endif +static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum ieee80211_ampdu_mlme_action action, + struct ieee80211_sta *sta, u16 tid, u16 *ssn) +{ + switch (action) { + case IEEE80211_AMPDU_TX_START: + ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + case IEEE80211_AMPDU_TX_STOP: + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + case IEEE80211_AMPDU_TX_OPERATIONAL: + break; + case IEEE80211_AMPDU_RX_START: + case IEEE80211_AMPDU_RX_STOP: + break; + default: + return -EOPNOTSUPP; + } + + return 0; +} + + static const struct ieee80211_ops mac80211_hwsim_ops = { .tx = mac80211_hwsim_tx, @@ -841,6 +911,7 @@ static const struct ieee80211_ops mac80211_hwsim_ops = .set_tim = mac80211_hwsim_set_tim, .conf_tx = mac80211_hwsim_conf_tx, CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd) + .ampdu_action = mac80211_hwsim_ampdu_action, }; @@ -1082,7 +1153,9 @@ static int __init init_mac80211_hwsim(void) BIT(NL80211_IFTYPE_MESH_POINT); hw->flags = IEEE80211_HW_MFP_CAPABLE | - IEEE80211_HW_SIGNAL_DBM; + IEEE80211_HW_SIGNAL_DBM | + IEEE80211_HW_SUPPORTS_STATIC_SMPS | + IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS; /* ask mac80211 to reserve space for magic */ hw->vif_data_size = sizeof(struct hwsim_vif_priv); diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 2ecbedb26e1..305c106fdc1 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2594,23 +2594,9 @@ end: /* * driver/device initialization */ -static int bcm4320a_early_init(struct usbnet *usbdev) -{ - /* bcm4320a doesn't handle configuration parameters well. Try - * set any and you get partially zeroed mac and broken device. - */ - - return 0; -} - -static int bcm4320b_early_init(struct usbnet *usbdev) +static void rndis_copy_module_params(struct usbnet *usbdev) { struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); - char buf[8]; - - /* Early initialization settings, setting these won't have effect - * if called after generic_rndis_bind(). - */ priv->param_country[0] = modparam_country[0]; priv->param_country[1] = modparam_country[1]; @@ -2652,6 +2638,32 @@ static int bcm4320b_early_init(struct usbnet *usbdev) priv->param_workaround_interval = 500; else priv->param_workaround_interval = modparam_workaround_interval; +} + +static int bcm4320a_early_init(struct usbnet *usbdev) +{ + /* copy module parameters for bcm4320a so that iwconfig reports txpower + * and workaround parameter is copied to private structure correctly. + */ + rndis_copy_module_params(usbdev); + + /* bcm4320a doesn't handle configuration parameters well. Try + * set any and you get partially zeroed mac and broken device. + */ + + return 0; +} + +static int bcm4320b_early_init(struct usbnet *usbdev) +{ + struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev); + char buf[8]; + + rndis_copy_module_params(usbdev); + + /* Early initialization settings, setting these won't have effect + * if called after generic_rndis_bind(). + */ rndis_set_config_parameter_str(usbdev, "Country", priv->param_country); rndis_set_config_parameter_str(usbdev, "FrameBursting", diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index dfc886fcb44..458378c4e50 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -835,7 +835,6 @@ static void rt2800pci_fill_rxdone(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); struct queue_entry_priv_pci *entry_priv = entry->priv_data; __le32 *rxd = entry_priv->desc; __le32 *rxwi = (__le32 *)entry->skb->data; @@ -883,10 +882,8 @@ static void rt2800pci_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(rxd3, RXD_W3_MY_BSS)) rxdesc->dev_flags |= RXDONE_MY_BSS; - if (rt2x00_get_field32(rxd3, RXD_W3_L2PAD)) { + if (rt2x00_get_field32(rxd3, RXD_W3_L2PAD)) rxdesc->dev_flags |= RXDONE_L2PAD; - skbdesc->flags |= SKBDESC_L2_PADDED; - } if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI)) rxdesc->flags |= RX_FLAG_SHORT_GI; @@ -927,7 +924,6 @@ static void rt2800pci_fill_rxdone(struct queue_entry *entry, * Remove TXWI descriptor from start of buffer. */ skb_pull(entry->skb, RXWI_DESC_SIZE); - skb_trim(entry->skb, rxdesc->size); } /* diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index af85d18cdbe..40295b454ff 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -295,9 +295,7 @@ static int rt2800usb_enable_radio(struct rt2x00_dev *rt2x00dev) rt2800_register_read(rt2x00dev, USB_DMA_CFG, ®); rt2x00_set_field32(®, USB_DMA_CFG_PHY_CLEAR, 0); - /* Don't use bulk in aggregation when working with USB 1.1 */ - rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_EN, - (rt2x00dev->rx->usb_maxpacket == 512)); + rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_EN, 0); rt2x00_set_field32(®, USB_DMA_CFG_RX_BULK_AGG_TIMEOUT, 128); /* * Total room for RX frames in kilobytes, PBF might still exceed @@ -573,41 +571,57 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); - __le32 *rxd = (__le32 *)entry->skb->data; + __le32 *rxi = (__le32 *)entry->skb->data; __le32 *rxwi; - u32 rxd0; + __le32 *rxd; + u32 rxi0; u32 rxwi0; u32 rxwi1; u32 rxwi2; u32 rxwi3; + u32 rxd0; + int rx_pkt_len; + + /* + * RX frame format is : + * | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad | + * |<------------ rx_pkt_len -------------->| + */ + rt2x00_desc_read(rxi, 0, &rxi0); + rx_pkt_len = rt2x00_get_field32(rxi0, RXINFO_W0_USB_DMA_RX_PKT_LEN); + + rxwi = (__le32 *)(entry->skb->data + RXINFO_DESC_SIZE); + + /* + * FIXME : we need to check for rx_pkt_len validity + */ + rxd = (__le32 *)(entry->skb->data + RXINFO_DESC_SIZE + rx_pkt_len); /* * Copy descriptor to the skbdesc->desc buffer, making it safe from * moving of frame data in rt2x00usb. */ - memcpy(skbdesc->desc, rxd, skbdesc->desc_len); - rxd = (__le32 *)skbdesc->desc; - rxwi = &rxd[RXINFO_DESC_SIZE / sizeof(__le32)]; + memcpy(skbdesc->desc, rxi, skbdesc->desc_len); /* * It is now safe to read the descriptor on all architectures. */ - rt2x00_desc_read(rxd, 0, &rxd0); rt2x00_desc_read(rxwi, 0, &rxwi0); rt2x00_desc_read(rxwi, 1, &rxwi1); rt2x00_desc_read(rxwi, 2, &rxwi2); rt2x00_desc_read(rxwi, 3, &rxwi3); + rt2x00_desc_read(rxd, 0, &rxd0); - if (rt2x00_get_field32(rxd0, RXINFO_W0_CRC_ERROR)) + if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); rxdesc->cipher_status = - rt2x00_get_field32(rxd0, RXINFO_W0_CIPHER_ERROR); + rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR); } - if (rt2x00_get_field32(rxd0, RXINFO_W0_DECRYPTED)) { + if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) { /* * Hardware has stripped IV/EIV data from 802.11 frame during * decryption. Unfortunately the descriptor doesn't contain @@ -622,13 +636,11 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, rxdesc->flags |= RX_FLAG_MMIC_ERROR; } - if (rt2x00_get_field32(rxd0, RXINFO_W0_MY_BSS)) + if (rt2x00_get_field32(rxd0, RXD_W0_MY_BSS)) rxdesc->dev_flags |= RXDONE_MY_BSS; - if (rt2x00_get_field32(rxd0, RXINFO_W0_L2PAD)) { + if (rt2x00_get_field32(rxd0, RXD_W0_L2PAD)) rxdesc->dev_flags |= RXDONE_L2PAD; - skbdesc->flags |= SKBDESC_L2_PADDED; - } if (rt2x00_get_field32(rxwi1, RXWI_W1_SHORT_GI)) rxdesc->flags |= RX_FLAG_SHORT_GI; @@ -663,7 +675,6 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, * Remove RXWI descriptor from start of buffer. */ skb_pull(entry->skb, skbdesc->desc_len); - skb_trim(entry->skb, rxdesc->size); } /* diff --git a/drivers/net/wireless/rt2x00/rt2800usb.h b/drivers/net/wireless/rt2x00/rt2800usb.h index 1e4340a182e..d1d8ae94b4d 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.h +++ b/drivers/net/wireless/rt2x00/rt2800usb.h @@ -79,6 +79,8 @@ */ #define TXINFO_DESC_SIZE ( 1 * sizeof(__le32) ) #define RXINFO_DESC_SIZE ( 1 * sizeof(__le32) ) +#define RXWI_DESC_SIZE ( 4 * sizeof(__le32) ) +#define RXD_DESC_SIZE ( 1 * sizeof(__le32) ) /* * TX Info structure @@ -101,6 +103,54 @@ #define TXINFO_W0_USB_DMA_TX_BURST FIELD32(0x80000000) /* + * RX Info structure + */ + +/* + * Word 0 + */ + +#define RXINFO_W0_USB_DMA_RX_PKT_LEN FIELD32(0x0000ffff) + +/* + * RX WI structure + */ + +/* + * Word0 + */ +#define RXWI_W0_WIRELESS_CLI_ID FIELD32(0x000000ff) +#define RXWI_W0_KEY_INDEX FIELD32(0x00000300) +#define RXWI_W0_BSSID FIELD32(0x00001c00) +#define RXWI_W0_UDF FIELD32(0x0000e000) +#define RXWI_W0_MPDU_TOTAL_BYTE_COUNT FIELD32(0x0fff0000) +#define RXWI_W0_TID FIELD32(0xf0000000) + +/* + * Word1 + */ +#define RXWI_W1_FRAG FIELD32(0x0000000f) +#define RXWI_W1_SEQUENCE FIELD32(0x0000fff0) +#define RXWI_W1_MCS FIELD32(0x007f0000) +#define RXWI_W1_BW FIELD32(0x00800000) +#define RXWI_W1_SHORT_GI FIELD32(0x01000000) +#define RXWI_W1_STBC FIELD32(0x06000000) +#define RXWI_W1_PHYMODE FIELD32(0xc0000000) + +/* + * Word2 + */ +#define RXWI_W2_RSSI0 FIELD32(0x000000ff) +#define RXWI_W2_RSSI1 FIELD32(0x0000ff00) +#define RXWI_W2_RSSI2 FIELD32(0x00ff0000) + +/* + * Word3 + */ +#define RXWI_W3_SNR0 FIELD32(0x000000ff) +#define RXWI_W3_SNR1 FIELD32(0x0000ff00) + +/* * RX descriptor format for RX Ring. */ @@ -115,25 +165,25 @@ * AMSDU: rx with 802.3 header, not 802.11 header. */ -#define RXINFO_W0_BA FIELD32(0x00000001) -#define RXINFO_W0_DATA FIELD32(0x00000002) -#define RXINFO_W0_NULLDATA FIELD32(0x00000004) -#define RXINFO_W0_FRAG FIELD32(0x00000008) -#define RXINFO_W0_UNICAST_TO_ME FIELD32(0x00000010) -#define RXINFO_W0_MULTICAST FIELD32(0x00000020) -#define RXINFO_W0_BROADCAST FIELD32(0x00000040) -#define RXINFO_W0_MY_BSS FIELD32(0x00000080) -#define RXINFO_W0_CRC_ERROR FIELD32(0x00000100) -#define RXINFO_W0_CIPHER_ERROR FIELD32(0x00000600) -#define RXINFO_W0_AMSDU FIELD32(0x00000800) -#define RXINFO_W0_HTC FIELD32(0x00001000) -#define RXINFO_W0_RSSI FIELD32(0x00002000) -#define RXINFO_W0_L2PAD FIELD32(0x00004000) -#define RXINFO_W0_AMPDU FIELD32(0x00008000) -#define RXINFO_W0_DECRYPTED FIELD32(0x00010000) -#define RXINFO_W0_PLCP_RSSI FIELD32(0x00020000) -#define RXINFO_W0_CIPHER_ALG FIELD32(0x00040000) -#define RXINFO_W0_LAST_AMSDU FIELD32(0x00080000) -#define RXINFO_W0_PLCP_SIGNAL FIELD32(0xfff00000) +#define RXD_W0_BA FIELD32(0x00000001) +#define RXD_W0_DATA FIELD32(0x00000002) +#define RXD_W0_NULLDATA FIELD32(0x00000004) +#define RXD_W0_FRAG FIELD32(0x00000008) +#define RXD_W0_UNICAST_TO_ME FIELD32(0x00000010) +#define RXD_W0_MULTICAST FIELD32(0x00000020) +#define RXD_W0_BROADCAST FIELD32(0x00000040) +#define RXD_W0_MY_BSS FIELD32(0x00000080) +#define RXD_W0_CRC_ERROR FIELD32(0x00000100) +#define RXD_W0_CIPHER_ERROR FIELD32(0x00000600) +#define RXD_W0_AMSDU FIELD32(0x00000800) +#define RXD_W0_HTC FIELD32(0x00001000) +#define RXD_W0_RSSI FIELD32(0x00002000) +#define RXD_W0_L2PAD FIELD32(0x00004000) +#define RXD_W0_AMPDU FIELD32(0x00008000) +#define RXD_W0_DECRYPTED FIELD32(0x00010000) +#define RXD_W0_PLCP_RSSI FIELD32(0x00020000) +#define RXD_W0_CIPHER_ALG FIELD32(0x00040000) +#define RXD_W0_LAST_AMSDU FIELD32(0x00080000) +#define RXD_W0_PLCP_SIGNAL FIELD32(0xfff00000) #endif /* RT2800USB_H */ diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 4d841c07c97..194dae01d0c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -104,6 +104,12 @@ #define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate)) /* + * Determine the number of L2 padding bytes required between the header and + * the payload. + */ +#define L2PAD_SIZE(__hdrlen) (-(__hdrlen) & 3) + +/* * Determine the alignment requirement, * to make sure the 802.11 payload is padded to a 4-byte boundrary * we must determine the address of the payload and calculate the diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 06c43ca39bf..d7711e4d475 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -385,9 +385,6 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev, memset(&rxdesc, 0, sizeof(rxdesc)); rt2x00dev->ops->lib->fill_rxdone(entry, &rxdesc); - /* Trim buffer to correct size */ - skb_trim(entry->skb, rxdesc.size); - /* * The data behind the ieee80211 header must be * aligned on a 4 byte boundary. @@ -404,11 +401,16 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev, (rxdesc.flags & RX_FLAG_IV_STRIPPED)) rt2x00crypto_rx_insert_iv(entry->skb, header_length, &rxdesc); - else if (rxdesc.dev_flags & RXDONE_L2PAD) + else if (header_length && + (rxdesc.size > header_length) && + (rxdesc.dev_flags & RXDONE_L2PAD)) rt2x00queue_remove_l2pad(entry->skb, header_length); else rt2x00queue_align_payload(entry->skb, header_length); + /* Trim buffer to correct size */ + skb_trim(entry->skb, rxdesc.size); + /* * Check if the frame was received using HT. In that case, * the rate is the MCS index and should be passed to mac80211 diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index 0feb4d0e466..801be436cf1 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -41,6 +41,9 @@ int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev, { unsigned int i; + if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) + return 0; + for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00pci_register_read(rt2x00dev, offset, reg); if (!rt2x00_get_field32(*reg, field)) diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 239afc7a9c0..3d8fb684b4e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -177,55 +177,45 @@ void rt2x00queue_align_payload(struct sk_buff *skb, unsigned int header_length) void rt2x00queue_insert_l2pad(struct sk_buff *skb, unsigned int header_length) { - struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - unsigned int frame_length = skb->len; + unsigned int payload_length = skb->len - header_length; unsigned int header_align = ALIGN_SIZE(skb, 0); unsigned int payload_align = ALIGN_SIZE(skb, header_length); - unsigned int l2pad = 4 - (payload_align - header_align); + unsigned int l2pad = payload_length ? L2PAD_SIZE(header_length) : 0; - if (header_align == payload_align) { - /* - * Both header and payload must be moved the same - * amount of bytes to align them properly. This means - * we don't use the L2 padding but just move the entire - * frame. - */ - rt2x00queue_align_frame(skb); - } else if (!payload_align) { - /* - * Simple L2 padding, only the header needs to be moved, - * the payload is already properly aligned. - */ - skb_push(skb, header_align); - memmove(skb->data, skb->data + header_align, frame_length); - skbdesc->flags |= SKBDESC_L2_PADDED; - } else { - /* - * - * Complicated L2 padding, both header and payload need - * to be moved. By default we only move to the start - * of the buffer, so our header alignment needs to be - * increased if there is not enough room for the header - * to be moved. - */ - if (payload_align > header_align) - header_align += 4; + /* + * Adjust the header alignment if the payload needs to be moved more + * than the header. + */ + if (payload_align > header_align) + header_align += 4; + + /* There is nothing to do if no alignment is needed */ + if (!header_align) + return; + + /* Reserve the amount of space needed in front of the frame */ + skb_push(skb, header_align); + + /* + * Move the header. + */ + memmove(skb->data, skb->data + header_align, header_length); - skb_push(skb, header_align); - memmove(skb->data, skb->data + header_align, header_length); + /* Move the payload, if present and if required */ + if (payload_length && payload_align) memmove(skb->data + header_length + l2pad, skb->data + header_length + l2pad + payload_align, - frame_length - header_length); - skbdesc->flags |= SKBDESC_L2_PADDED; - } + payload_length); + + /* Trim the skb to the correct size */ + skb_trim(skb, header_length + l2pad + payload_length); } void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length) { - struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - unsigned int l2pad = 4 - (header_length & 3); + unsigned int l2pad = L2PAD_SIZE(header_length); - if (!l2pad || (skbdesc->flags & SKBDESC_L2_PADDED)) + if (!l2pad) return; memmove(skb->data + l2pad, skb->data, header_length); @@ -346,7 +336,9 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, * Header and alignment information. */ txdesc->header_length = ieee80211_get_hdrlen_from_skb(entry->skb); - txdesc->l2pad = ALIGN_SIZE(entry->skb, txdesc->header_length); + if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags) && + (entry->skb->len > txdesc->header_length)) + txdesc->l2pad = L2PAD_SIZE(txdesc->header_length); /* * Check whether this frame is to be acked. @@ -387,10 +379,13 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, /* * Beacons and probe responses require the tsf timestamp - * to be inserted into the frame. + * to be inserted into the frame, except for a frame that has been injected + * through a monitor interface. This latter is needed for testing a + * monitor interface. */ - if (ieee80211_is_beacon(hdr->frame_control) || - ieee80211_is_probe_resp(hdr->frame_control)) + if ((ieee80211_is_beacon(hdr->frame_control) || + ieee80211_is_probe_resp(hdr->frame_control)) && + (!(tx_info->flags & IEEE80211_TX_CTL_INJECTED))) __set_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags); /* diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index 70775e5ba1a..c1e482bb37b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -92,8 +92,6 @@ enum data_queue_qid { * @SKBDESC_DMA_MAPPED_TX: &skb_dma field has been mapped for TX * @SKBDESC_IV_STRIPPED: Frame contained a IV/EIV provided by * mac80211 but was stripped for processing by the driver. - * @SKBDESC_L2_PADDED: Payload has been padded for 4-byte alignment, - * the padded bytes are located between header and payload. * @SKBDESC_NOT_MAC80211: Frame didn't originate from mac80211, * don't try to pass it back. */ @@ -101,8 +99,7 @@ enum skb_frame_desc_flags { SKBDESC_DMA_MAPPED_RX = 1 << 0, SKBDESC_DMA_MAPPED_TX = 1 << 1, SKBDESC_IV_STRIPPED = 1 << 2, - SKBDESC_L2_PADDED = 1 << 3, - SKBDESC_NOT_MAC80211 = 1 << 4, + SKBDESC_NOT_MAC80211 = 1 << 3, }; /** diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index ced3b6ab5e1..6ce88d3c3b6 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2354,6 +2354,7 @@ static struct usb_device_id rt73usb_device_table[] = { { USB_DEVICE(0x08dd, 0x0120), USB_DEVICE_DATA(&rt73usb_ops) }, /* Buffalo */ { USB_DEVICE(0x0411, 0x00d8), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x0411, 0x00d9), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0411, 0x0116), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0411, 0x0119), USB_DEVICE_DATA(&rt73usb_ops) }, diff --git a/drivers/net/wireless/rtl818x/rtl8180_dev.c b/drivers/net/wireless/rtl818x/rtl8180_dev.c index a1a3dd15c66..8a40a143998 100644 --- a/drivers/net/wireless/rtl818x/rtl8180_dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180_dev.c @@ -132,7 +132,6 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) rx_status.antenna = (flags2 >> 15) & 1; /* TODO: improve signal/rssi reporting */ - rx_status.qual = flags2 & 0xFF; rx_status.signal = (flags2 >> 8) & 0x7F; /* XXX: is this correct? */ rx_status.rate_idx = (flags >> 20) & 0xF; diff --git a/drivers/net/wireless/wl12xx/wl1251.h b/drivers/net/wireless/wl12xx/wl1251.h index 054533f7a12..6301578d156 100644 --- a/drivers/net/wireless/wl12xx/wl1251.h +++ b/drivers/net/wireless/wl12xx/wl1251.h @@ -247,6 +247,7 @@ struct wl1251_debugfs { struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data; struct dentry *tx_queue_len; + struct dentry *tx_queue_status; struct dentry *retry_count; struct dentry *excessive_retries; diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c index acfa086dbfc..beff084040b 100644 --- a/drivers/net/wireless/wl12xx/wl1251_acx.c +++ b/drivers/net/wireless/wl12xx/wl1251_acx.c @@ -976,3 +976,72 @@ out: kfree(acx); return ret; } + +int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max, + u8 aifs, u16 txop) +{ + struct wl1251_acx_ac_cfg *acx; + int ret = 0; + + wl1251_debug(DEBUG_ACX, "acx ac cfg %d cw_ming %d cw_max %d " + "aifs %d txop %d", ac, cw_min, cw_max, aifs, txop); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->ac = ac; + acx->cw_min = cw_min; + acx->cw_max = cw_max; + acx->aifsn = aifs; + acx->txop_limit = txop; + + ret = wl1251_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("acx ac cfg failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + +int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue, + enum wl1251_acx_channel_type type, + u8 tsid, enum wl1251_acx_ps_scheme ps_scheme, + enum wl1251_acx_ack_policy ack_policy) +{ + struct wl1251_acx_tid_cfg *acx; + int ret = 0; + + wl1251_debug(DEBUG_ACX, "acx tid cfg %d type %d tsid %d " + "ps_scheme %d ack_policy %d", queue, type, tsid, + ps_scheme, ack_policy); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->queue = queue; + acx->type = type; + acx->tsid = tsid; + acx->ps_scheme = ps_scheme; + acx->ack_policy = ack_policy; + + ret = wl1251_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("acx tid cfg failed: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h index 652371432cd..26160c45784 100644 --- a/drivers/net/wireless/wl12xx/wl1251_acx.h +++ b/drivers/net/wireless/wl12xx/wl1251_acx.h @@ -1166,6 +1166,87 @@ struct wl1251_acx_wr_tbtt_and_dtim { u8 padding; } __attribute__ ((packed)); +struct wl1251_acx_ac_cfg { + struct acx_header header; + + /* + * Access Category - The TX queue's access category + * (refer to AccessCategory_enum) + */ + u8 ac; + + /* + * The contention window minimum size (in slots) for + * the access class. + */ + u8 cw_min; + + /* + * The contention window maximum size (in slots) for + * the access class. + */ + u16 cw_max; + + /* The AIF value (in slots) for the access class. */ + u8 aifsn; + + u8 reserved; + + /* The TX Op Limit (in microseconds) for the access class. */ + u16 txop_limit; +} __attribute__ ((packed)); + + +enum wl1251_acx_channel_type { + CHANNEL_TYPE_DCF = 0, + CHANNEL_TYPE_EDCF = 1, + CHANNEL_TYPE_HCCA = 2, +}; + +enum wl1251_acx_ps_scheme { + /* regular ps: simple sending of packets */ + WL1251_ACX_PS_SCHEME_LEGACY = 0, + + /* sending a packet triggers a unscheduled apsd downstream */ + WL1251_ACX_PS_SCHEME_UPSD_TRIGGER = 1, + + /* a pspoll packet will be sent before every data packet */ + WL1251_ACX_PS_SCHEME_LEGACY_PSPOLL = 2, + + /* scheduled apsd mode */ + WL1251_ACX_PS_SCHEME_SAPSD = 3, +}; + +enum wl1251_acx_ack_policy { + WL1251_ACX_ACK_POLICY_LEGACY = 0, + WL1251_ACX_ACK_POLICY_NO_ACK = 1, + WL1251_ACX_ACK_POLICY_BLOCK = 2, +}; + +struct wl1251_acx_tid_cfg { + struct acx_header header; + + /* tx queue id number (0-7) */ + u8 queue; + + /* channel access type for the queue, enum wl1251_acx_channel_type */ + u8 type; + + /* EDCA: ac index (0-3), HCCA: traffic stream id (8-15) */ + u8 tsid; + + /* ps scheme of the specified queue, enum wl1251_acx_ps_scheme */ + u8 ps_scheme; + + /* the tx queue ack policy, enum wl1251_acx_ack_policy */ + u8 ack_policy; + + u8 padding[3]; + + /* not supported */ + u32 apsdconf[2]; +} __attribute__ ((packed)); + /************************************************************************* Host Interrupt Register (WiLink -> Host) @@ -1322,5 +1403,11 @@ int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime); int wl1251_acx_rate_policies(struct wl1251 *wl); int wl1251_acx_mem_cfg(struct wl1251 *wl); int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim); +int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max, + u8 aifs, u16 txop); +int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue, + enum wl1251_acx_channel_type type, + u8 tsid, enum wl1251_acx_ps_scheme ps_scheme, + enum wl1251_acx_ack_policy ack_policy); #endif /* __WL1251_ACX_H__ */ diff --git a/drivers/net/wireless/wl12xx/wl1251_debugfs.c b/drivers/net/wireless/wl12xx/wl1251_debugfs.c index a00723059f8..0ccba57fb9f 100644 --- a/drivers/net/wireless/wl12xx/wl1251_debugfs.c +++ b/drivers/net/wireless/wl12xx/wl1251_debugfs.c @@ -237,6 +237,27 @@ static const struct file_operations tx_queue_len_ops = { .open = wl1251_open_file_generic, }; +static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct wl1251 *wl = file->private_data; + char buf[3], status; + int len; + + if (wl->tx_queue_stopped) + status = 's'; + else + status = 'r'; + + len = scnprintf(buf, sizeof(buf), "%c\n", status); + return simple_read_from_buffer(userbuf, count, ppos, buf, len); +} + +static const struct file_operations tx_queue_status_ops = { + .read = tx_queue_status_read, + .open = wl1251_open_file_generic, +}; + static void wl1251_debugfs_delete_files(struct wl1251 *wl) { DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow); @@ -331,6 +352,7 @@ static void wl1251_debugfs_delete_files(struct wl1251 *wl) DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data); DEBUGFS_DEL(tx_queue_len); + DEBUGFS_DEL(tx_queue_status); DEBUGFS_DEL(retry_count); DEBUGFS_DEL(excessive_retries); } @@ -431,6 +453,7 @@ static int wl1251_debugfs_add_files(struct wl1251 *wl) DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir); + DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir); DEBUGFS_ADD(retry_count, wl->debugfs.rootdir); DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir); diff --git a/drivers/net/wireless/wl12xx/wl1251_init.c b/drivers/net/wireless/wl12xx/wl1251_init.c index 5cb573383ee..5aad56ea715 100644 --- a/drivers/net/wireless/wl12xx/wl1251_init.c +++ b/drivers/net/wireless/wl12xx/wl1251_init.c @@ -294,6 +294,11 @@ static int wl1251_hw_init_tx_queue_config(struct wl1251 *wl) goto out; } + wl1251_acx_ac_cfg(wl, AC_BE, CWMIN_BE, CWMAX_BE, AIFS_DIFS, TXOP_BE); + wl1251_acx_ac_cfg(wl, AC_BK, CWMIN_BK, CWMAX_BK, AIFS_DIFS, TXOP_BK); + wl1251_acx_ac_cfg(wl, AC_VI, CWMIN_VI, CWMAX_VI, AIFS_DIFS, TXOP_VI); + wl1251_acx_ac_cfg(wl, AC_VO, CWMIN_VO, CWMAX_VO, AIFS_DIFS, TXOP_VO); + out: kfree(config); return ret; diff --git a/drivers/net/wireless/wl12xx/wl1251_init.h b/drivers/net/wireless/wl12xx/wl1251_init.h index b3b25ec885e..269cefb3e7d 100644 --- a/drivers/net/wireless/wl12xx/wl1251_init.h +++ b/drivers/net/wireless/wl12xx/wl1251_init.h @@ -26,6 +26,53 @@ #include "wl1251.h" +enum { + /* best effort/legacy */ + AC_BE = 0, + + /* background */ + AC_BK = 1, + + /* video */ + AC_VI = 2, + + /* voice */ + AC_VO = 3, + + /* broadcast dummy access category */ + AC_BCAST = 4, + + NUM_ACCESS_CATEGORIES = 4 +}; + +/* following are defult values for the IE fields*/ +#define CWMIN_BK 15 +#define CWMIN_BE 15 +#define CWMIN_VI 7 +#define CWMIN_VO 3 +#define CWMAX_BK 1023 +#define CWMAX_BE 63 +#define CWMAX_VI 15 +#define CWMAX_VO 7 + +/* slot number setting to start transmission at PIFS interval */ +#define AIFS_PIFS 1 + +/* + * slot number setting to start transmission at DIFS interval - normal DCF + * access + */ +#define AIFS_DIFS 2 + +#define AIFSN_BK 7 +#define AIFSN_BE 3 +#define AIFSN_VI AIFS_PIFS +#define AIFSN_VO AIFS_PIFS +#define TXOP_BK 0 +#define TXOP_BE 0 +#define TXOP_VI 3008 +#define TXOP_VO 1504 + int wl1251_hw_init_hwenc_config(struct wl1251 *wl); int wl1251_hw_init_templates_config(struct wl1251 *wl); int wl1251_hw_init_rx_config(struct wl1251 *wl, u32 config, u32 filter); diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c index 2f50a256efa..6aeffbe9e40 100644 --- a/drivers/net/wireless/wl12xx/wl1251_main.c +++ b/drivers/net/wireless/wl12xx/wl1251_main.c @@ -395,6 +395,7 @@ static int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) * the queue here, otherwise the queue will get too long. */ if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_MAX_LENGTH) { + wl1251_debug(DEBUG_TX, "op_tx: tx_queue full, stop queues"); ieee80211_stop_queues(wl->hw); /* @@ -640,20 +641,25 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) * through the bss_info_changed() hook. */ ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); + if (ret < 0) + goto out_sleep; } else if (!(conf->flags & IEEE80211_CONF_PS) && wl->psm_requested) { wl1251_debug(DEBUG_PSM, "psm disabled"); wl->psm_requested = false; - if (wl->psm) + if (wl->psm) { ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); + if (ret < 0) + goto out_sleep; + } } if (conf->power_level != wl->power_level) { ret = wl1251_acx_tx_power(wl, conf->power_level); if (ret < 0) - goto out; + goto out_sleep; wl->power_level = conf->power_level; } @@ -1273,6 +1279,43 @@ static struct ieee80211_channel wl1251_channels[] = { { .hw_value = 13, .center_freq = 2472}, }; +static int wl1251_op_conf_tx(struct ieee80211_hw *hw, u16 queue, + const struct ieee80211_tx_queue_params *params) +{ + struct wl1251 *wl = hw->priv; + int ret; + + mutex_lock(&wl->mutex); + + wl1251_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); + + ret = wl1251_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1251_acx_ac_cfg(wl, wl1251_tx_get_queue(queue), + params->cw_min, params->cw_max, + params->aifs, params->txop); + if (ret < 0) + goto out_sleep; + + ret = wl1251_acx_tid_cfg(wl, wl1251_tx_get_queue(queue), + CHANNEL_TYPE_EDCF, + wl1251_tx_get_queue(queue), + WL1251_ACX_PS_SCHEME_LEGACY, + WL1251_ACX_ACK_POLICY_LEGACY); + if (ret < 0) + goto out_sleep; + +out_sleep: + wl1251_ps_elp_sleep(wl); + +out: + mutex_unlock(&wl->mutex); + + return ret; +} + /* can't be const, mac80211 writes to this */ static struct ieee80211_supported_band wl1251_band_2ghz = { .channels = wl1251_channels, @@ -1293,6 +1336,7 @@ static const struct ieee80211_ops wl1251_ops = { .hw_scan = wl1251_op_hw_scan, .bss_info_changed = wl1251_op_bss_info_changed, .set_rts_threshold = wl1251_op_set_rts_threshold, + .conf_tx = wl1251_op_conf_tx, }; static int wl1251_register_hw(struct wl1251 *wl) @@ -1338,6 +1382,8 @@ int wl1251_init_ieee80211(struct wl1251 *wl) wl->hw->wiphy->max_scan_ssids = 1; wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; + wl->hw->queues = 4; + ret = wl1251_register_hw(wl); if (ret) goto out; diff --git a/drivers/net/wireless/wl12xx/wl1251_ps.c b/drivers/net/wireless/wl12xx/wl1251_ps.c index 9931b197ff7..851dfb65e47 100644 --- a/drivers/net/wireless/wl12xx/wl1251_ps.c +++ b/drivers/net/wireless/wl12xx/wl1251_ps.c @@ -26,7 +26,8 @@ #include "wl1251_cmd.h" #include "wl1251_io.h" -#define WL1251_WAKEUP_TIMEOUT 2000 +/* in ms */ +#define WL1251_WAKEUP_TIMEOUT 100 void wl1251_elp_work(struct work_struct *work) { @@ -67,7 +68,7 @@ void wl1251_ps_elp_sleep(struct wl1251 *wl) int wl1251_ps_elp_wakeup(struct wl1251 *wl) { - unsigned long timeout; + unsigned long timeout, start; u32 elp_reg; if (!wl->elp) @@ -75,6 +76,7 @@ int wl1251_ps_elp_wakeup(struct wl1251 *wl) wl1251_debug(DEBUG_PSM, "waking up chip from elp"); + start = jiffies; timeout = jiffies + msecs_to_jiffies(WL1251_WAKEUP_TIMEOUT); wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP); @@ -95,8 +97,7 @@ int wl1251_ps_elp_wakeup(struct wl1251 *wl) } wl1251_debug(DEBUG_PSM, "wakeup time: %u ms", - jiffies_to_msecs(jiffies) - - (jiffies_to_msecs(timeout) - WL1251_WAKEUP_TIMEOUT)); + jiffies_to_msecs(jiffies - start)); wl->elp = false; diff --git a/drivers/net/wireless/wl12xx/wl1251_rx.c b/drivers/net/wireless/wl12xx/wl1251_rx.c index f84cc89cbff..b56732226cc 100644 --- a/drivers/net/wireless/wl12xx/wl1251_rx.c +++ b/drivers/net/wireless/wl12xx/wl1251_rx.c @@ -126,7 +126,7 @@ static void wl1251_rx_body(struct wl1251 *wl, if (wl->rx_current_buffer) rx_packet_ring_addr += wl->data_path->rx_packet_ring_chunk_size; - skb = dev_alloc_skb(length); + skb = __dev_alloc_skb(length, GFP_KERNEL); if (!skb) { wl1251_error("Couldn't allocate RX frame"); return; diff --git a/drivers/net/wireless/wl12xx/wl1251_tx.c b/drivers/net/wireless/wl12xx/wl1251_tx.c index f8597061584..c8223185efd 100644 --- a/drivers/net/wireless/wl12xx/wl1251_tx.c +++ b/drivers/net/wireless/wl12xx/wl1251_tx.c @@ -167,8 +167,7 @@ static int wl1251_tx_fill_hdr(struct wl1251 *wl, struct sk_buff *skb, tx_hdr->expiry_time = cpu_to_le32(1 << 16); tx_hdr->id = id; - /* FIXME: how to get the correct queue id? */ - tx_hdr->xmit_queue = 0; + tx_hdr->xmit_queue = wl1251_tx_get_queue(skb_get_queue_mapping(skb)); wl1251_tx_control(tx_hdr, control, fc); wl1251_tx_frag_block_num(tx_hdr); @@ -220,6 +219,7 @@ static int wl1251_tx_send_packet(struct wl1251 *wl, struct sk_buff *skb, /* align the buffer on a 4-byte boundary */ skb_reserve(skb, offset); memmove(skb->data, src, skb->len); + tx_hdr = (struct tx_double_buffer_desc *) skb->data; } else { wl1251_info("No handler, fixme!"); return -EINVAL; @@ -237,8 +237,9 @@ static int wl1251_tx_send_packet(struct wl1251 *wl, struct sk_buff *skb, wl1251_mem_write(wl, addr, skb->data, len); - wl1251_debug(DEBUG_TX, "tx id %u skb 0x%p payload %u rate 0x%x", - tx_hdr->id, skb, tx_hdr->length, tx_hdr->rate); + wl1251_debug(DEBUG_TX, "tx id %u skb 0x%p payload %u rate 0x%x " + "queue %d", tx_hdr->id, skb, tx_hdr->length, + tx_hdr->rate, tx_hdr->xmit_queue); return 0; } diff --git a/drivers/net/wireless/wl12xx/wl1251_tx.h b/drivers/net/wireless/wl12xx/wl1251_tx.h index 7c1c1665c81..55856c6bb97 100644 --- a/drivers/net/wireless/wl12xx/wl1251_tx.h +++ b/drivers/net/wireless/wl12xx/wl1251_tx.h @@ -26,6 +26,7 @@ #define __WL1251_TX_H__ #include <linux/bitops.h> +#include "wl1251_acx.h" /* * @@ -209,6 +210,22 @@ struct tx_result { u8 done_2; } __attribute__ ((packed)); +static inline int wl1251_tx_get_queue(int queue) +{ + switch (queue) { + case 0: + return QOS_AC_VO; + case 1: + return QOS_AC_VI; + case 2: + return QOS_AC_BE; + case 3: + return QOS_AC_BK; + default: + return QOS_AC_BE; + } +} + void wl1251_tx_work(struct work_struct *work); void wl1251_tx_complete(struct wl1251 *wl); void wl1251_tx_flush(struct wl1251 *wl); diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index ac19ecd19cf..4daf1c94ec0 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -1078,11 +1078,15 @@ static int eject_installer(struct usb_interface *intf) int r; /* Find bulk out endpoint */ - endpoint = &iface_desc->endpoint[1].desc; - if (usb_endpoint_dir_out(endpoint) && - usb_endpoint_xfer_bulk(endpoint)) { - bulk_out_ep = endpoint->bEndpointAddress; - } else { + for (r = 1; r >= 0; r--) { + endpoint = &iface_desc->endpoint[r].desc; + if (usb_endpoint_dir_out(endpoint) && + usb_endpoint_xfer_bulk(endpoint)) { + bulk_out_ep = endpoint->bEndpointAddress; + break; + } + } + if (r == -1) { dev_err(&udev->dev, "zd1211rw: Could not find bulk out endpoint\n"); return -ENODEV; |