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author | David S. Miller <davem@davemloft.net> | 2010-02-27 02:05:54 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-02-27 02:05:54 -0800 |
commit | ce300c7ffa61165f9bfd16e511ee0cd4114977ab (patch) | |
tree | 874b57409bad0c9620a431272e6bf5c94e270253 /drivers/net | |
parent | 8266d7127c1b0bdf924066c19c71be4d351e9583 (diff) | |
parent | 9e3bd9190800e8209b4a3e1d724c35f0738dcad2 (diff) | |
download | linux-stable-ce300c7ffa61165f9bfd16e511ee0cd4114977ab.tar.gz linux-stable-ce300c7ffa61165f9bfd16e511ee0cd4114977ab.tar.bz2 linux-stable-ce300c7ffa61165f9bfd16e511ee0cd4114977ab.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 10 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/phy.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/b43/Kconfig | 17 | ||||
-rw-r--r-- | drivers/net/wireless/b43/b43.h | 7 | ||||
-rw-r--r-- | drivers/net/wireless/b43/main.c | 14 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 14 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-commands.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-dev.h | 3 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 46 | ||||
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-tx.c | 11 |
10 files changed, 53 insertions, 73 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index f00f5c744f48..2e767cf22f1e 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1310,6 +1310,16 @@ static void ath9k_hw_override_ini(struct ath_hw *ah, * Necessary to avoid issues on AR5416 2.0 */ REG_WRITE(ah, 0x9800 + (651 << 2), 0x11); + + /* + * Disable RIFS search on some chips to avoid baseband + * hang issues. + */ + if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) { + val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS); + val &= ~AR_PHY_RIFS_INIT_DELAY; + REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val); + } } static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah, diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h index 31de27dc0c4a..0999a495fd46 100644 --- a/drivers/net/wireless/ath/ath9k/phy.h +++ b/drivers/net/wireless/ath/ath9k/phy.h @@ -384,6 +384,9 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah, #define AR_PHY_HEAVY_CLIP_ENABLE 0x99E0 +#define AR_PHY_HEAVY_CLIP_FACTOR_RIFS 0x99EC +#define AR_PHY_RIFS_INIT_DELAY 0x03ff0000 + #define AR_PHY_M_SLEEP 0x99f0 #define AR_PHY_REFCLKDLY 0x99f4 #define AR_PHY_REFCLKPD 0x99f8 diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig index 073be566d05e..0a00d42642cd 100644 --- a/drivers/net/wireless/b43/Kconfig +++ b/drivers/net/wireless/b43/Kconfig @@ -3,7 +3,6 @@ config B43 depends on SSB_POSSIBLE && MAC80211 && HAS_DMA select SSB select FW_LOADER - select SSB_BLOCKIO ---help--- b43 is a driver for the Broadcom 43xx series wireless devices. @@ -79,6 +78,14 @@ config B43_SDIO If unsure, say N. +#Data transfers to the device via PIO. We want it as a fallback even +# if we can do DMA. +config B43_PIO + bool + depends on B43 + select SSB_BLOCKIO + default y + config B43_NPHY bool "Pre IEEE 802.11n support (BROKEN)" depends on B43 && EXPERIMENTAL && BROKEN @@ -130,4 +137,12 @@ config B43_DEBUG for production use. Only say Y, if you are debugging a problem in the b43 driver sourcecode. +config B43_FORCE_PIO + bool "Force usage of PIO instead of DMA" + depends on B43 && B43_DEBUG + ---help--- + This will disable DMA and always enable PIO instead. + Say N! + This is only for debugging the PIO engine code. You do + _NOT_ want to enable this. diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 6a6ab0f630e5..b8807fb12c92 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -702,6 +702,7 @@ struct b43_wldev { bool radio_hw_enable; /* saved state of radio hardware enabled state */ bool qos_enabled; /* TRUE, if QoS is used. */ bool hwcrypto_enabled; /* TRUE, if HW crypto acceleration is enabled. */ + bool use_pio; /* TRUE if next init should use PIO */ /* PHY/Radio device. */ struct b43_phy phy; @@ -886,6 +887,12 @@ static inline bool b43_using_pio_transfers(struct b43_wldev *dev) return dev->__using_pio_transfers; } +#ifdef CONFIG_B43_FORCE_PIO +# define B43_PIO_DEFAULT 1 +#else +# define B43_PIO_DEFAULT 0 +#endif + /* Message printing */ void b43info(struct b43_wl *wl, const char *fmt, ...) __attribute__ ((format(printf, 2, 3))); diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index aa33d741e5e6..1521b1e78d21 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -107,9 +107,9 @@ int b43_modparam_verbose = B43_VERBOSITY_DEFAULT; module_param_named(verbose, b43_modparam_verbose, int, 0644); MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug"); -static int modparam_pio; -module_param_named(pio, modparam_pio, int, 0444); -MODULE_PARM_DESC(pio, "enable(1) / disable(0) PIO mode"); +int b43_modparam_pio = B43_PIO_DEFAULT; +module_param_named(pio, b43_modparam_pio, int, 0644); +MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO"); static const struct ssb_device_id b43_ssb_tbl[] = { SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5), @@ -1804,8 +1804,9 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev) dma_reason[4], dma_reason[5]); b43err(dev->wl, "This device does not support DMA " "on your system. Please use PIO instead.\n"); - b43err(dev->wl, "Unload the b43 module and reload " - "with 'pio=1'\n"); + /* Fall back to PIO transfers if we get fatal DMA errors! */ + dev->use_pio = 1; + b43_controller_restart(dev, "DMA error"); return; } if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) { @@ -4357,7 +4358,7 @@ static int b43_wireless_core_init(struct b43_wldev *dev) if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) || (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) || - modparam_pio) { + dev->use_pio) { dev->__using_pio_transfers = 1; err = b43_pio_init(dev); } else { @@ -4824,6 +4825,7 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl) if (!wldev) goto out; + wldev->use_pio = b43_modparam_pio; wldev->dev = dev; wldev->wl = wl; b43_set_status(wldev, B43_STAT_UNINIT); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index af60b178ad4b..6aeb82b6992f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2941,21 +2941,10 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw, return ret; case IEEE80211_AMPDU_TX_START: IWL_DEBUG_HT(priv, "start Tx\n"); - ret = iwl_tx_agg_start(priv, sta->addr, tid, ssn); - if (ret == 0) { - priv->agg_tids_count++; - IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", - priv->agg_tids_count); - } - return ret; + return iwl_tx_agg_start(priv, sta->addr, tid, ssn); case IEEE80211_AMPDU_TX_STOP: IWL_DEBUG_HT(priv, "stop Tx\n"); ret = iwl_tx_agg_stop(priv, sta->addr, tid); - if ((ret == 0) && (priv->agg_tids_count > 0)) { - priv->agg_tids_count--; - IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", - priv->agg_tids_count); - } if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return 0; else @@ -3376,7 +3365,6 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->iw_mode = NL80211_IFTYPE_STATION; priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; - priv->agg_tids_count = 0; /* initialize force reset */ priv->force_reset[IWL_RF_RESET].reset_duration = diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index ab3c77b92cc8..6383d9f8c9b3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -2623,6 +2623,7 @@ struct iwl_ssid_ie { #define TX_CMD_LIFE_TIME_INFINITE cpu_to_le32(0xFFFFFFFF) #define IWL_GOOD_CRC_TH cpu_to_le16(1) #define IWL_MAX_SCAN_SIZE 1024 +#define IWL_MAX_CMD_SIZE 4096 #define IWL_MAX_PROBE_REQUEST 200 /* diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 7914d65a5a55..ab891b958042 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1084,9 +1084,6 @@ struct iwl_priv { /* storing the jiffies when the plcp error rate is received */ unsigned long plcp_jiffies; - /* reporting the number of tids has AGG on. 0 means no AGGREGATION */ - u8 agg_tids_count; - /* force reset */ struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET]; diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index 0d09f571e185..df257bc15f49 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -616,11 +616,6 @@ static void iwl_accumulative_statistics(struct iwl_priv *priv, #define REG_RECALIB_PERIOD (60) -/* the threshold ratio of actual_ack_cnt to expected_ack_cnt in percent */ -#define ACK_CNT_RATIO (50) -#define BA_TIMEOUT_CNT (5) -#define BA_TIMEOUT_MAX (16) - #define PLCP_MSG "plcp_err exceeded %u, %u, %u, %u, %u, %d, %u mSecs\n" void iwl_rx_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) @@ -630,9 +625,6 @@ void iwl_rx_statistics(struct iwl_priv *priv, int combined_plcp_delta; unsigned int plcp_msec; unsigned long plcp_received_jiffies; - int actual_ack_cnt_delta; - int expected_ack_cnt_delta; - int ba_timeout_delta; IWL_DEBUG_RX(priv, "Statistics notification received (%d vs %d).\n", (int)sizeof(priv->statistics), @@ -647,44 +639,6 @@ void iwl_rx_statistics(struct iwl_priv *priv, #ifdef CONFIG_IWLWIFI_DEBUG iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats); #endif - actual_ack_cnt_delta = le32_to_cpu(pkt->u.stats.tx.actual_ack_cnt) - - le32_to_cpu(priv->statistics.tx.actual_ack_cnt); - expected_ack_cnt_delta = le32_to_cpu( - pkt->u.stats.tx.expected_ack_cnt) - - le32_to_cpu(priv->statistics.tx.expected_ack_cnt); - ba_timeout_delta = le32_to_cpu( - pkt->u.stats.tx.agg.ba_timeout) - - le32_to_cpu(priv->statistics.tx.agg.ba_timeout); - if ((priv->agg_tids_count > 0) && - (expected_ack_cnt_delta > 0) && - (((actual_ack_cnt_delta * 100) / expected_ack_cnt_delta) < - ACK_CNT_RATIO) && - (ba_timeout_delta > BA_TIMEOUT_CNT)) { - IWL_DEBUG_RADIO(priv, - "actual_ack_cnt delta = %d, expected_ack_cnt = %d\n", - actual_ack_cnt_delta, expected_ack_cnt_delta); - -#ifdef CONFIG_IWLWIFI_DEBUG - IWL_DEBUG_RADIO(priv, "rx_detected_cnt delta = %d\n", - priv->delta_statistics.tx.rx_detected_cnt); - IWL_DEBUG_RADIO(priv, - "ack_or_ba_timeout_collision delta = %d\n", - priv->delta_statistics.tx.ack_or_ba_timeout_collision); -#endif - IWL_DEBUG_RADIO(priv, "agg ba_timeout delta = %d\n", - ba_timeout_delta); - if ((actual_ack_cnt_delta == 0) && - (ba_timeout_delta >= - BA_TIMEOUT_MAX)) { - IWL_DEBUG_RADIO(priv, - "call iwl_force_reset(IWL_FW_RESET)\n"); - iwl_force_reset(priv, IWL_FW_RESET); - } else { - IWL_DEBUG_RADIO(priv, - "call iwl_force_reset(IWL_RF_RESET)\n"); - iwl_force_reset(priv, IWL_RF_RESET); - } - } /* * check for plcp_err and trigger radio reset if it exceeds * the plcp error threshold plcp_delta. diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 10701b8eef23..1ed5206721ec 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -364,7 +364,7 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, for (i = 0; i < actual_slots; i++) { /* only happens for cmd queue */ if (i == slots_num) - len += IWL_MAX_SCAN_SIZE; + len = IWL_MAX_CMD_SIZE; txq->cmd[i] = kmalloc(len, GFP_KERNEL); if (!txq->cmd[i]) @@ -1023,9 +1023,12 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) /* If any of the command structures end up being larger than * the TFD_MAX_PAYLOAD_SIZE, and it sent as a 'small' command then - * we will need to increase the size of the TFD entries */ + * we will need to increase the size of the TFD entries + * Also, check to see if command buffer should not exceed the size + * of device_cmd and max_cmd_size. */ BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && !(cmd->flags & CMD_SIZE_HUGE)); + BUG_ON(fix_size > IWL_MAX_CMD_SIZE); if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) { IWL_WARN(priv, "Not sending command - %s KILL\n", @@ -1069,8 +1072,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) if (cmd->flags & CMD_SIZE_HUGE) out_cmd->hdr.sequence |= SEQ_HUGE_FRAME; len = sizeof(struct iwl_device_cmd); - len += (idx == TFD_CMD_SLOTS) ? IWL_MAX_SCAN_SIZE : 0; - + if (idx == TFD_CMD_SLOTS) + len = IWL_MAX_CMD_SIZE; #ifdef CONFIG_IWLWIFI_DEBUG switch (out_cmd->hdr.cmd) { |