From e484c16f6212f7f06407382efa4d3ad214b6c589 Mon Sep 17 00:00:00 2001 From: Martin Decky Date: Thu, 10 Sep 2009 03:44:47 +0200 Subject: hostap: Revert a toxic part of the conversion to net_device_ops As the hostap driver was converted to use net_device_ops, a mistake was made in hostap_main.c (commit 5ae4efbcd2611562a8b93596be034e63495706a5). Originally, the tx_queue_len was set to 0 for every other interface than HOSTAP_INTERFACE_MASTER, but the new fragment of code sets tx_queue_len to 0 only for HOSTAP_INTERFACE_MASTER. The opposite of the previous behavior makes the driver to drop all packets in AP mode. Change the way 0 is assigned to tx_queue_len according to the original logic. Signed-off-by: Martin Decky Signed-off-by: John W. Linville --- drivers/net/wireless/hostap/hostap_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c index 6fe122f18c0d..eb57d1ea361f 100644 --- a/drivers/net/wireless/hostap/hostap_main.c +++ b/drivers/net/wireless/hostap/hostap_main.c @@ -875,15 +875,16 @@ void hostap_setup_dev(struct net_device *dev, local_info_t *local, switch(type) { case HOSTAP_INTERFACE_AP: + dev->tx_queue_len = 0; /* use main radio device queue */ dev->netdev_ops = &hostap_mgmt_netdev_ops; dev->type = ARPHRD_IEEE80211; dev->header_ops = &hostap_80211_ops; break; case HOSTAP_INTERFACE_MASTER: - dev->tx_queue_len = 0; /* use main radio device queue */ dev->netdev_ops = &hostap_master_ops; break; default: + dev->tx_queue_len = 0; /* use main radio device queue */ dev->netdev_ops = &hostap_netdev_ops; } -- cgit v1.2.3-59-g8ed1b From 32f6afd82c1c4e9415db9f8d18e3fd6fc65cfd46 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Thu, 10 Sep 2009 20:31:46 +0200 Subject: b43: Force-wake queues on init Force wake the mac80211 queues on init. Under rare circumstances they may be stopped, if a DMA error or something else causes a device reset while a queue was stopped. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/main.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 7a9a3fa55425..78e9834d4c12 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4287,6 +4287,8 @@ static int b43_wireless_core_init(struct b43_wldev *dev) if (!dev->suspend_in_progress) b43_rng_init(wl); + ieee80211_wake_queues(dev->wl->hw); + b43_set_status(dev, B43_STAT_INITIALIZED); if (!dev->suspend_in_progress) -- cgit v1.2.3-59-g8ed1b From d37b7da39dbac8197e41a5f9c8162730f6b36d8b Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 11 Sep 2009 08:30:03 +0530 Subject: ath9k: Fix bug in ANI channel handling When processing MIB interrupts, OFDM and CCK error handling routines for low RSSI values have to be invoked only when the channel mode is 11G/11B. Since HT channels will also fall under the bands 2Ghz/5Ghz, check appropriately. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ani.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index a7cbb07988cf..2b493742ef10 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -327,7 +327,8 @@ static void ath9k_hw_ani_ofdm_err_trigger(struct ath_hw *ah) aniState->firstepLevel + 1); return; } else { - if (conf->channel->band == IEEE80211_BAND_2GHZ) { + if ((conf->channel->band == IEEE80211_BAND_2GHZ) && + !conf_is_ht(conf)) { if (!aniState->ofdmWeakSigDetectOff) ath9k_hw_ani_control(ah, ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION, @@ -369,7 +370,8 @@ static void ath9k_hw_ani_cck_err_trigger(struct ath_hw *ah) ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, aniState->firstepLevel + 1); } else { - if (conf->channel->band == IEEE80211_BAND_2GHZ) { + if ((conf->channel->band == IEEE80211_BAND_2GHZ) && + !conf_is_ht(conf)) { if (aniState->firstepLevel > 0) ath9k_hw_ani_control(ah, ATH9K_ANI_FIRSTEP_LEVEL, 0); -- cgit v1.2.3-59-g8ed1b From ff4d572a186c1276ea2118e405528432eb1f747c Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Fri, 11 Sep 2009 04:43:29 -0400 Subject: wireless: default CONFIG_WLAN to y When this was added no defaults were set and it seems this implies n. Default this to y. Reported-by: Jouni Malinen Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net') diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index ad89d23968df..49ea9c92b7e6 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -5,6 +5,7 @@ menuconfig WLAN bool "Wireless LAN" depends on !S390 + default y ---help--- This section contains all the pre 802.11 and 802.11 wireless device drivers. For a complete list of drivers and documentation -- cgit v1.2.3-59-g8ed1b From e175e99646f21602d844ce85a727c83ba644ab87 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Fri, 11 Sep 2009 18:31:32 +0200 Subject: b43: Fix resume failure This fixes a resume failure where a signal is pending on resume so the firmware upload fails. This removes the interruptible sleep, because we don't really need it. In the worst case (with broken firmware) the sleep loop will take 1 second. In the common case (working firmware), it will only take a few milliseconds. So we don't really need to be interruptible. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/main.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 78e9834d4c12..e789792a36bc 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -2289,11 +2289,7 @@ static int b43_upload_microcode(struct b43_wldev *dev) err = -ENODEV; goto error; } - msleep_interruptible(50); - if (signal_pending(current)) { - err = -EINTR; - goto error; - } + msleep(50); } b43_read32(dev, B43_MMIO_GEN_IRQ_REASON); /* dummy read */ -- cgit v1.2.3-59-g8ed1b From 392a0baf31b39b50cc6bf6d4400d542641d466c4 Mon Sep 17 00:00:00 2001 From: Daniel C Halperin Date: Fri, 11 Sep 2009 10:38:08 -0700 Subject: iwlwifi: fix HT operation in 2.4 GHz band When we cleaned up the driver to properly tell mac80211 about HT rates ("iwlwifi: use iwl_hwrate_get_mac80211_idx where appropriate"), we broke internal rate indexing in 2.4 GHz band. Signed-off-by: Daniel C Halperin Tested-by: Wey-Yi Guy Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 40b207aa8fef..fd731534df1c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -883,6 +883,12 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, mac_index &= RATE_MCS_CODE_MSK; /* Remove # of streams */ if (mac_index >= (IWL_RATE_9M_INDEX - IWL_FIRST_OFDM_RATE)) mac_index++; + /* + * mac80211 HT index is always zero-indexed; we need to move + * HT OFDM rates after CCK rates in 2.4 GHz band + */ + if (priv->band == IEEE80211_BAND_2GHZ) + mac_index += IWL_FIRST_OFDM_RATE; } if ((mac_index < 0) || -- cgit v1.2.3-59-g8ed1b From 0aae511c0bf9e49165cfa04c51f6a3bf179aef09 Mon Sep 17 00:00:00 2001 From: Reinette Chatre Date: Fri, 11 Sep 2009 10:38:12 -0700 Subject: iwlwifi: fix potential rx buffer loss RX handling maintains a few lists that keep track of the RX buffers. Buffers move from one list to the other as they are used, replenished, and again made available for usage. In one such instance, when a buffer is used it enters the "rx_used" list. When buffers are replenished an skb is attached to the buffer and it is moved to the "rx_free" list. The problem here is that the buffer is first removed from the "rx_used" list _before_ the skb is allocated. Thus, if the skb allocation fails this buffer remains removed from the "rx_used" list and is thus lost for future usage. Fix this by first allocating the skb before trying to attach it to a list. We add an additional check to not do this unnecessarily. Reported-by: Rick Farrington Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-rx.c | 24 +++++++++++++++++------- drivers/net/wireless/iwlwifi/iwl3945-base.c | 24 ++++++++++++++++-------- 2 files changed, 33 insertions(+), 15 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index 8150c5c3a16b..b90adcb73b06 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -239,26 +239,22 @@ void iwl_rx_allocate(struct iwl_priv *priv, gfp_t priority) struct iwl_rx_queue *rxq = &priv->rxq; struct list_head *element; struct iwl_rx_mem_buffer *rxb; + struct sk_buff *skb; unsigned long flags; while (1) { spin_lock_irqsave(&rxq->lock, flags); - if (list_empty(&rxq->rx_used)) { spin_unlock_irqrestore(&rxq->lock, flags); return; } - element = rxq->rx_used.next; - rxb = list_entry(element, struct iwl_rx_mem_buffer, list); - list_del(element); - spin_unlock_irqrestore(&rxq->lock, flags); /* Alloc a new receive buffer */ - rxb->skb = alloc_skb(priv->hw_params.rx_buf_size + 256, + skb = alloc_skb(priv->hw_params.rx_buf_size + 256, priority); - if (!rxb->skb) { + if (!skb) { IWL_CRIT(priv, "Can not allocate SKB buffers\n"); /* We don't reschedule replenish work here -- we will * call the restock method and if it still needs @@ -266,6 +262,20 @@ void iwl_rx_allocate(struct iwl_priv *priv, gfp_t priority) break; } + spin_lock_irqsave(&rxq->lock, flags); + + if (list_empty(&rxq->rx_used)) { + spin_unlock_irqrestore(&rxq->lock, flags); + dev_kfree_skb_any(skb); + return; + } + element = rxq->rx_used.next; + rxb = list_entry(element, struct iwl_rx_mem_buffer, list); + list_del(element); + + spin_unlock_irqrestore(&rxq->lock, flags); + + rxb->skb = skb; /* Get physical address of RB/SKB */ rxb->real_dma_addr = pci_map_single( priv->pci_dev, diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 2238c9f2018c..090966837f3c 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1134,6 +1134,7 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority) struct iwl_rx_queue *rxq = &priv->rxq; struct list_head *element; struct iwl_rx_mem_buffer *rxb; + struct sk_buff *skb; unsigned long flags; while (1) { @@ -1143,17 +1144,11 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority) spin_unlock_irqrestore(&rxq->lock, flags); return; } - - element = rxq->rx_used.next; - rxb = list_entry(element, struct iwl_rx_mem_buffer, list); - list_del(element); spin_unlock_irqrestore(&rxq->lock, flags); /* Alloc a new receive buffer */ - rxb->skb = - alloc_skb(priv->hw_params.rx_buf_size, - priority); - if (!rxb->skb) { + skb = alloc_skb(priv->hw_params.rx_buf_size, priority); + if (!skb) { if (net_ratelimit()) IWL_CRIT(priv, ": Can not allocate SKB buffers\n"); /* We don't reschedule replenish work here -- we will @@ -1162,6 +1157,19 @@ static void iwl3945_rx_allocate(struct iwl_priv *priv, gfp_t priority) break; } + spin_lock_irqsave(&rxq->lock, flags); + if (list_empty(&rxq->rx_used)) { + spin_unlock_irqrestore(&rxq->lock, flags); + dev_kfree_skb_any(skb); + return; + } + element = rxq->rx_used.next; + rxb = list_entry(element, struct iwl_rx_mem_buffer, list); + list_del(element); + spin_unlock_irqrestore(&rxq->lock, flags); + + rxb->skb = skb; + /* If radiotap head is required, reserve some headroom here. * The physical head count is a variable rx_stats->phy_count. * We reserve 4 bytes here. Plus these extra bytes, the -- cgit v1.2.3-59-g8ed1b From 2ff6578ba2ac38c0082c1e56babd5f575029faf8 Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Fri, 11 Sep 2009 10:38:18 -0700 Subject: iwlwifi: find the correct first antenna We can not assume antenna "A" is the first valid anttena for all the NIC. Need to make sure choice the correct antenna based on h/w configuration for transmit to avoid sending frame on invalid antenna Signed-off-by: Wey-Yi Guy Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index fd731534df1c..346dc06fa7b7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -760,6 +760,7 @@ static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta, u16 high_low; u8 switch_to_legacy = 0; u8 is_green = lq_sta->is_green; + struct iwl_priv *priv = lq_sta->drv; /* check if we need to switch from HT to legacy rates. * assumption is that mandatory rates (1Mbps or 6Mbps) @@ -773,7 +774,8 @@ static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta, tbl->lq_type = LQ_G; if (num_of_ant(tbl->ant_type) > 1) - tbl->ant_type = ANT_A;/*FIXME:RS*/ + tbl->ant_type = + first_antenna(priv->hw_params.valid_tx_ant); tbl->is_ht40 = 0; tbl->is_SGI = 0; -- cgit v1.2.3-59-g8ed1b From 559a4741b8a5b4551b8c7e8e0de7f3e41a79bb5a Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 11 Sep 2009 10:50:37 -0700 Subject: iwlwifi: disable powersave for 4965 There's a bug in 4965 powersave that appears to be related to the way it keeps track of its data during sleep, but we haven't found it yet. Due to that, using powersave may spontaneously cause the device to SYSASSERT when transitioning from sleep to wake. Therefore, disable powersave for 4965, until (if ever, unfortunately) we can identify and fix the problem. Cf. http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1982 which was closed, but now has re-appeared with IDLE mode, which probably means we never really fixed it. Signed-off-by: Johannes Berg Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-4965.c | 1 + drivers/net/wireless/iwlwifi/iwl-core.c | 9 ++++++--- drivers/net/wireless/iwlwifi/iwl-core.h | 1 + drivers/net/wireless/iwlwifi/iwl-power.c | 5 +++-- 4 files changed, 11 insertions(+), 5 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 6a13bfbc9d98..ca61d3796cef 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -2346,6 +2346,7 @@ struct iwl_cfg iwl4965_agn_cfg = { .mod_params = &iwl4965_mod_params, .use_isr_legacy = true, .ht_greenfield_support = false, + .broken_powersave = true, }; /* Module firmware */ diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index acfd7b40afb8..fd26c0dc9c54 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -1585,9 +1585,12 @@ int iwl_setup_mac(struct iwl_priv *priv) hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM | IEEE80211_HW_AMPDU_AGGREGATION | - IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + IEEE80211_HW_SPECTRUM_MGMT; + + if (!priv->cfg->broken_powersave) + hw->flags |= IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index c04d2a270819..7ff9ffb2b702 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -252,6 +252,7 @@ struct iwl_cfg { const u16 max_ll_items; const bool shadow_ram_support; const bool ht_greenfield_support; + const bool broken_powersave; }; /*************************** diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 4ec6a8307cc6..60be976afff8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -292,8 +292,9 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) else dtimper = 1; - /* TT power setting overwrites everything */ - if (tt->state >= IWL_TI_1) + if (priv->cfg->broken_powersave) + iwl_power_sleep_cam_cmd(priv, &cmd); + else if (tt->state >= IWL_TI_1) iwl_static_sleep_cmd(priv, &cmd, tt->tt_power_mode, dtimper); else if (!enabled) iwl_power_sleep_cam_cmd(priv, &cmd); -- cgit v1.2.3-59-g8ed1b From f7f71173ea69d4dabf166533beffa9294090b7ef Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Mon, 14 Sep 2009 23:08:43 +0200 Subject: p54usb: add Zcomax XG-705A usbid This patch adds a new usbid for Zcomax XG-705A to the device table. Cc: stable@kernel.org Reported-by: Jari Jaakola Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/p54/p54usb.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net') diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index e44460ff149c..17e199546eeb 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -67,6 +67,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x0bf8, 0x1009)}, /* FUJITSU E-5400 USB D1700*/ {USB_DEVICE(0x0cde, 0x0006)}, /* Medion MD40900 */ {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */ + {USB_DEVICE(0x0cde, 0x0015)}, /* Zcomax XG-705A */ {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */ {USB_DEVICE(0x124a, 0x4025)}, /* IOGear GWU513 (GW3887IK chip) */ {USB_DEVICE(0x1260, 0xee22)}, /* SMC 2862W-G version 2 */ -- cgit v1.2.3-59-g8ed1b