diff options
Diffstat (limited to 'drivers/net/wireless')
82 files changed, 2105 insertions, 984 deletions
diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h index 4da01a9..f9a4655 100644 --- a/drivers/net/wireless/ath/carl9170/carl9170.h +++ b/drivers/net/wireless/ath/carl9170/carl9170.h @@ -67,6 +67,8 @@ #define PAYLOAD_MAX (CARL9170_MAX_CMD_LEN / 4 - 1) +static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 3, 2, 1, 0 }; + enum carl9170_rf_init_mode { CARL9170_RFI_NONE, CARL9170_RFI_WARM, @@ -440,7 +442,6 @@ struct ar9170 { enum carl9170_ps_off_override_reasons { PS_OFF_VIF = BIT(0), PS_OFF_BCN = BIT(1), - PS_OFF_5GHZ = BIT(2), }; struct carl9170_ba_stats { diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c index 221957c..39ddea5 100644 --- a/drivers/net/wireless/ath/carl9170/fw.c +++ b/drivers/net/wireless/ath/carl9170/fw.c @@ -237,7 +237,7 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len) ar->disable_offload = true; } - if (SUPP(CARL9170FW_PSM)) + if (SUPP(CARL9170FW_PSM) && SUPP(CARL9170FW_FIXED_5GHZ_PSM)) ar->hw->flags |= IEEE80211_HW_SUPPORTS_PS; if (!SUPP(CARL9170FW_USB_INIT_FIRMWARE)) { diff --git a/drivers/net/wireless/ath/carl9170/fwcmd.h b/drivers/net/wireless/ath/carl9170/fwcmd.h index 30449d2..0a6dec5 100644 --- a/drivers/net/wireless/ath/carl9170/fwcmd.h +++ b/drivers/net/wireless/ath/carl9170/fwcmd.h @@ -4,7 +4,7 @@ * Firmware command interface definitions * * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> - * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com> + * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -54,6 +54,7 @@ enum carl9170_cmd_oids { CARL9170_CMD_BCN_CTRL = 0x05, CARL9170_CMD_READ_TSF = 0x06, CARL9170_CMD_RX_FILTER = 0x07, + CARL9170_CMD_WOL = 0x08, /* CAM */ CARL9170_CMD_EKEY = 0x10, @@ -180,6 +181,21 @@ struct carl9170_bcn_ctrl_cmd { #define CARL9170_BCN_CTRL_DRAIN 0 #define CARL9170_BCN_CTRL_CAB_TRIGGER 1 +struct carl9170_wol_cmd { + __le32 flags; + u8 mac[6]; + u8 bssid[6]; + __le32 null_interval; + __le32 free_for_use2; + __le32 mask; + u8 pattern[32]; +} __packed; + +#define CARL9170_WOL_CMD_SIZE 60 + +#define CARL9170_WOL_DISCONNECT 1 +#define CARL9170_WOL_MAGIC_PKT 2 + struct carl9170_cmd_head { union { struct { @@ -203,6 +219,7 @@ struct carl9170_cmd { struct carl9170_write_reg wreg; struct carl9170_rf_init rf_init; struct carl9170_psm psm; + struct carl9170_wol_cmd wol; struct carl9170_bcn_ctrl_cmd bcn_ctrl; struct carl9170_rx_filter_cmd rx_filter; u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN]; diff --git a/drivers/net/wireless/ath/carl9170/fwdesc.h b/drivers/net/wireless/ath/carl9170/fwdesc.h index 9210668..7ba62bb 100644 --- a/drivers/net/wireless/ath/carl9170/fwdesc.h +++ b/drivers/net/wireless/ath/carl9170/fwdesc.h @@ -3,7 +3,7 @@ * * Firmware descriptor format * - * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com> + * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -72,6 +72,9 @@ enum carl9170fw_feature_list { /* Wake up on WLAN */ CARL9170FW_WOL, + /* Firmware supports PSM in the 5GHZ Band */ + CARL9170FW_FIXED_5GHZ_PSM, + /* KEEP LAST */ __CARL9170FW_FEATURE_NUM }; @@ -82,6 +85,7 @@ enum carl9170fw_feature_list { #define DBG_MAGIC "DBG\0" #define CHK_MAGIC "CHK\0" #define TXSQ_MAGIC "TXSQ" +#define WOL_MAGIC "WOL\0" #define LAST_MAGIC "LAST" #define CARL9170FW_SET_DAY(d) (((d) - 1) % 31) @@ -104,7 +108,7 @@ struct carl9170fw_desc_head { (sizeof(struct carl9170fw_desc_head)) #define CARL9170FW_OTUS_DESC_MIN_VER 6 -#define CARL9170FW_OTUS_DESC_CUR_VER 6 +#define CARL9170FW_OTUS_DESC_CUR_VER 7 struct carl9170fw_otus_desc { struct carl9170fw_desc_head head; __le32 feature_set; @@ -186,6 +190,16 @@ struct carl9170fw_txsq_desc { #define CARL9170FW_TXSQ_DESC_SIZE \ (sizeof(struct carl9170fw_txsq_desc)) +#define CARL9170FW_WOL_DESC_MIN_VER 1 +#define CARL9170FW_WOL_DESC_CUR_VER 1 +struct carl9170fw_wol_desc { + struct carl9170fw_desc_head head; + + __le32 supported_triggers; /* CARL9170_WOL_ */ +} __packed; +#define CARL9170FW_WOL_DESC_SIZE \ + (sizeof(struct carl9170fw_wol_desc)) + #define CARL9170FW_LAST_DESC_MIN_VER 1 #define CARL9170FW_LAST_DESC_CUR_VER 2 struct carl9170fw_last_desc { diff --git a/drivers/net/wireless/ath/carl9170/hw.h b/drivers/net/wireless/ath/carl9170/hw.h index 4e30762..261f893 100644 --- a/drivers/net/wireless/ath/carl9170/hw.h +++ b/drivers/net/wireless/ath/carl9170/hw.h @@ -4,7 +4,7 @@ * Register map, hardware-specific definitions * * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> - * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com> + * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -357,7 +357,18 @@ #define AR9170_MAC_REG_DMA_WLAN_STATUS (AR9170_MAC_REG_BASE + 0xd38) #define AR9170_MAC_REG_DMA_STATUS (AR9170_MAC_REG_BASE + 0xd3c) - +#define AR9170_MAC_REG_DMA_TXQ_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd40) +#define AR9170_MAC_REG_DMA_TXQ0_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd40) +#define AR9170_MAC_REG_DMA_TXQ1_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd44) +#define AR9170_MAC_REG_DMA_TXQ2_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd48) +#define AR9170_MAC_REG_DMA_TXQ3_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd4c) +#define AR9170_MAC_REG_DMA_TXQ4_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd50) +#define AR9170_MAC_REG_DMA_TXQ0Q1_LEN (AR9170_MAC_REG_BASE + 0xd54) +#define AR9170_MAC_REG_DMA_TXQ2Q3_LEN (AR9170_MAC_REG_BASE + 0xd58) +#define AR9170_MAC_REG_DMA_TXQ4_LEN (AR9170_MAC_REG_BASE + 0xd5c) + +#define AR9170_MAC_REG_DMA_TXQX_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd74) +#define AR9170_MAC_REG_DMA_TXQX_FAIL_ADDR (AR9170_MAC_REG_BASE + 0xd78) #define AR9170_MAC_REG_TXRX_MPI (AR9170_MAC_REG_BASE + 0xd7c) #define AR9170_MAC_TXRX_MPI_TX_MPI_MASK 0x0000000f #define AR9170_MAC_TXRX_MPI_TX_TO_MASK 0x0000fff0 diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c index 54d093c..d2b9f12 100644 --- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -345,11 +345,11 @@ static int carl9170_op_start(struct ieee80211_hw *hw) carl9170_zap_queues(ar); /* reset QoS defaults */ - CARL9170_FILL_QUEUE(ar->edcf[0], 3, 15, 1023, 0); /* BEST EFFORT */ - CARL9170_FILL_QUEUE(ar->edcf[1], 2, 7, 15, 94); /* VIDEO */ - CARL9170_FILL_QUEUE(ar->edcf[2], 2, 3, 7, 47); /* VOICE */ - CARL9170_FILL_QUEUE(ar->edcf[3], 7, 15, 1023, 0); /* BACKGROUND */ - CARL9170_FILL_QUEUE(ar->edcf[4], 2, 3, 7, 0); /* SPECIAL */ + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_VO], 2, 3, 7, 47); + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_VI], 2, 7, 15, 94); + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_BE], 3, 15, 1023, 0); + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_BK], 7, 15, 1023, 0); + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_SPECIAL], 2, 3, 7, 0); ar->current_factor = ar->current_density = -1; /* "The first key is unique." */ @@ -1577,6 +1577,7 @@ void *carl9170_alloc(size_t priv_size) IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | + IEEE80211_HW_NEED_DTIM_PERIOD | IEEE80211_HW_SIGNAL_DBM; if (!modparam_noht) { diff --git a/drivers/net/wireless/ath/carl9170/phy.c b/drivers/net/wireless/ath/carl9170/phy.c index b6ae0e1..da1ab96 100644 --- a/drivers/net/wireless/ath/carl9170/phy.c +++ b/drivers/net/wireless/ath/carl9170/phy.c @@ -1783,12 +1783,6 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, } } - /* FIXME: PSM does not work in 5GHz Band */ - if (channel->band == IEEE80211_BAND_5GHZ) - ar->ps.off_override |= PS_OFF_5GHZ; - else - ar->ps.off_override &= ~PS_OFF_5GHZ; - ar->channel = channel; ar->ht_settings = new_ht; return 0; diff --git a/drivers/net/wireless/ath/carl9170/version.h b/drivers/net/wireless/ath/carl9170/version.h index 15095c0..6470377 100644 --- a/drivers/net/wireless/ath/carl9170/version.h +++ b/drivers/net/wireless/ath/carl9170/version.h @@ -1,7 +1,7 @@ #ifndef __CARL9170_SHARED_VERSION_H #define __CARL9170_SHARED_VERSION_H #define CARL9170FW_VERSION_YEAR 11 -#define CARL9170FW_VERSION_MONTH 1 -#define CARL9170FW_VERSION_DAY 22 -#define CARL9170FW_VERSION_GIT "1.9.2" +#define CARL9170FW_VERSION_MONTH 6 +#define CARL9170FW_VERSION_DAY 30 +#define CARL9170FW_VERSION_GIT "1.9.4" #endif /* __CARL9170_SHARED_VERSION_H */ diff --git a/drivers/net/wireless/ath/carl9170/wlan.h b/drivers/net/wireless/ath/carl9170/wlan.h index 9e1324b..ea17995 100644 --- a/drivers/net/wireless/ath/carl9170/wlan.h +++ b/drivers/net/wireless/ath/carl9170/wlan.h @@ -4,7 +4,7 @@ * RX/TX meta descriptor format * * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> - * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com> + * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -278,7 +278,7 @@ struct ar9170_tx_frame { struct carl9170_tx_superframe { struct carl9170_tx_superdesc s; struct ar9170_tx_frame f; -} __packed; +} __packed __aligned(4); #endif /* __CARL9170FW__ */ @@ -328,7 +328,7 @@ struct _carl9170_tx_superframe { struct _carl9170_tx_superdesc s; struct _ar9170_tx_hwdesc f; u8 frame_data[0]; -} __packed; +} __packed __aligned(4); #define CARL9170_TX_SUPERDESC_LEN 24 #define AR9170_TX_HWDESC_LEN 8 @@ -404,16 +404,6 @@ static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t) (t->DAidx & 0xc0) >> 6; } -enum ar9170_txq { - AR9170_TXQ_BE, - - AR9170_TXQ_VI, - AR9170_TXQ_VO, - AR9170_TXQ_BK, - - __AR9170_NUM_TXQ, -}; - /* * This is an workaround for several undocumented bugs. * Don't mess with the QoS/AC <-> HW Queue map, if you don't @@ -431,7 +421,14 @@ enum ar9170_txq { * result, this makes the device pretty much useless * for any serious 802.11n setup. */ -static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 2, 1, 0, 3 }; +enum ar9170_txq { + AR9170_TXQ_BK = 0, /* TXQ0 */ + AR9170_TXQ_BE, /* TXQ1 */ + AR9170_TXQ_VI, /* TXQ2 */ + AR9170_TXQ_VO, /* TXQ3 */ + + __AR9170_NUM_TXQ, +}; #define AR9170_TXQ_DEPTH 32 diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index d02cf83..7a09a46 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -1600,6 +1600,7 @@ void b43_dma_rx(struct b43_dmaring *ring) dma_rx(ring, &slot); update_max_used_slots(ring, ++used_slots); } + wmb(); ops->set_current_rxslot(ring, slot); ring->current_slot = slot; } diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 4430775..3774dd0 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -287,7 +287,7 @@ static const char *command_types[] = { "unused", /* HOST_INTERRUPT_COALESCING */ "undefined", "CARD_DISABLE_PHY_OFF", - "MSDU_TX_RATES" "undefined", + "MSDU_TX_RATES", "undefined", "SET_STATION_STAT_BITS", "CLEAR_STATIONS_STAT_BITS", diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile index 9a56ce5..1915039 100644 --- a/drivers/net/wireless/iwlwifi/Makefile +++ b/drivers/net/wireless/iwlwifi/Makefile @@ -14,6 +14,7 @@ iwlagn-objs += iwl-6000.o iwlagn-objs += iwl-1000.o iwlagn-objs += iwl-2000.o iwlagn-objs += iwl-pci.o +iwlagn-objs += iwl-trans.o iwlagn-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o iwlagn-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index e57fad9..cf1449d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -138,7 +138,6 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); if (priv->cfg->rx_with_siso_diversity) @@ -197,7 +196,6 @@ static struct iwl_lib_ops iwl1000_lib = { static const struct iwl_ops iwl1000_ops = { .lib = &iwl1000_lib, - .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c index 64ed1f2..a401113c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-2000.c +++ b/drivers/net/wireless/iwlwifi/iwl-2000.c @@ -50,11 +50,13 @@ #define IWL2030_UCODE_API_MAX 5 #define IWL2000_UCODE_API_MAX 5 #define IWL105_UCODE_API_MAX 5 +#define IWL135_UCODE_API_MAX 5 /* Lowest firmware API version supported */ #define IWL2030_UCODE_API_MIN 5 #define IWL2000_UCODE_API_MIN 5 #define IWL105_UCODE_API_MIN 5 +#define IWL135_UCODE_API_MIN 5 #define IWL2030_FW_PRE "iwlwifi-2030-" #define IWL2030_MODULE_FIRMWARE(api) IWL2030_FW_PRE __stringify(api) ".ucode" @@ -65,6 +67,9 @@ #define IWL105_FW_PRE "iwlwifi-105-" #define IWL105_MODULE_FIRMWARE(api) IWL105_FW_PRE __stringify(api) ".ucode" +#define IWL135_FW_PRE "iwlwifi-135-" +#define IWL135_MODULE_FIRMWARE(api) IWL135_FW_PRE #api ".ucode" + static void iwl2000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ @@ -131,7 +136,6 @@ static int iwl2000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); if (priv->cfg->rx_with_siso_diversity) @@ -193,25 +197,21 @@ static struct iwl_lib_ops iwl2000_lib = { static const struct iwl_ops iwl2000_ops = { .lib = &iwl2000_lib, - .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, }; static const struct iwl_ops iwl2030_ops = { .lib = &iwl2000_lib, - .hcmd = &iwlagn_bt_hcmd, .utils = &iwlagn_hcmd_utils, }; static const struct iwl_ops iwl105_ops = { .lib = &iwl2000_lib, - .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, }; static const struct iwl_ops iwl135_ops = { .lib = &iwl2000_lib, - .hcmd = &iwlagn_bt_hcmd, .utils = &iwlagn_hcmd_utils, }; @@ -344,9 +344,9 @@ struct iwl_cfg iwl105_bgn_cfg = { }; #define IWL_DEVICE_135 \ - .fw_name_pre = IWL105_FW_PRE, \ - .ucode_api_max = IWL105_UCODE_API_MAX, \ - .ucode_api_min = IWL105_UCODE_API_MIN, \ + .fw_name_pre = IWL135_FW_PRE, \ + .ucode_api_max = IWL135_UCODE_API_MAX, \ + .ucode_api_min = IWL135_UCODE_API_MIN, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .ops = &iwl135_ops, \ @@ -359,12 +359,12 @@ struct iwl_cfg iwl105_bgn_cfg = { .rx_with_siso_diversity = true \ struct iwl_cfg iwl135_bg_cfg = { - .name = "105 Series 1x1 BG/BT", + .name = "135 Series 1x1 BG/BT", IWL_DEVICE_135, }; struct iwl_cfg iwl135_bgn_cfg = { - .name = "105 Series 1x1 BGN/BT", + .name = "135 Series 1x1 BGN/BT", IWL_DEVICE_135, .ht_params = &iwl2000_ht_params, }; @@ -372,3 +372,4 @@ struct iwl_cfg iwl135_bgn_cfg = { MODULE_FIRMWARE(IWL2000_MODULE_FIRMWARE(IWL2000_UCODE_API_MAX)); MODULE_FIRMWARE(IWL2030_MODULE_FIRMWARE(IWL2030_UCODE_API_MAX)); MODULE_FIRMWARE(IWL105_MODULE_FIRMWARE(IWL105_UCODE_API_MAX)); +MODULE_FIRMWARE(IWL135_MODULE_FIRMWARE(IWL135_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 269dfdb..c55cec8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -169,7 +169,6 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); @@ -214,7 +213,6 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); priv->hw_params.rx_chains_num = num_of_ant(priv->cfg->valid_rx_ant); @@ -379,13 +377,11 @@ static struct iwl_lib_ops iwl5150_lib = { static const struct iwl_ops iwl5000_ops = { .lib = &iwl5000_lib, - .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, }; static const struct iwl_ops iwl5150_ops = { .lib = &iwl5150_lib, - .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index f1c1db7..965d010 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -157,7 +157,6 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; priv->hw_params.tx_chains_num = num_of_ant(priv->cfg->valid_tx_ant); if (priv->cfg->rx_with_siso_diversity) @@ -328,27 +327,23 @@ static struct iwl_nic_ops iwl6150_nic_ops = { static const struct iwl_ops iwl6000_ops = { .lib = &iwl6000_lib, - .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, }; static const struct iwl_ops iwl6050_ops = { .lib = &iwl6000_lib, - .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, .nic = &iwl6050_nic_ops, }; static const struct iwl_ops iwl6150_ops = { .lib = &iwl6000_lib, - .hcmd = &iwlagn_hcmd, .utils = &iwlagn_hcmd_utils, .nic = &iwl6150_nic_ops, }; static const struct iwl_ops iwl6030_ops = { .lib = &iwl6030_lib, - .hcmd = &iwlagn_bt_hcmd, .utils = &iwlagn_hcmd_utils, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c index ba7ed91..ce7d4b5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c @@ -205,7 +205,7 @@ static int iwlagn_calc_rssi(struct iwl_priv *priv, return max_rssi - agc - IWLAGN_RSSI_OFFSET; } -static int iwlagn_set_pan_params(struct iwl_priv *priv) +int iwlagn_set_pan_params(struct iwl_priv *priv) { struct iwl_wipan_params_cmd cmd; struct iwl_rxon_context *ctx_bss, *ctx_pan; @@ -297,20 +297,6 @@ static int iwlagn_set_pan_params(struct iwl_priv *priv) return ret; } -struct iwl_hcmd_ops iwlagn_hcmd = { - .set_rxon_chain = iwlagn_set_rxon_chain, - .set_tx_ant = iwlagn_send_tx_ant_config, - .send_bt_config = iwl_send_bt_config, - .set_pan_params = iwlagn_set_pan_params, -}; - -struct iwl_hcmd_ops iwlagn_bt_hcmd = { - .set_rxon_chain = iwlagn_set_rxon_chain, - .set_tx_ant = iwlagn_send_tx_ant_config, - .send_bt_config = iwlagn_send_advance_bt_config, - .set_pan_params = iwlagn_set_pan_params, -}; - struct iwl_hcmd_utils_ops iwlagn_hcmd_utils = { .build_addsta_hcmd = iwlagn_build_addsta_hcmd, .gain_computation = iwlagn_gain_computation, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index efdab65..90d366e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -628,38 +628,6 @@ struct iwl_mod_params iwlagn_mod_params = { /* the rest are 0 by default */ }; -void iwlagn_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq) -{ - unsigned long flags; - int i; - spin_lock_irqsave(&rxq->lock, flags); - INIT_LIST_HEAD(&rxq->rx_free); - INIT_LIST_HEAD(&rxq->rx_used); - /* Fill the rx_used queue with _all_ of the Rx buffers */ - for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { - /* In the reset function, these buffers may have been allocated - * to an SKB, so we need to unmap and free potential storage */ - if (rxq->pool[i].page != NULL) { - dma_unmap_page(priv->bus.dev, rxq->pool[i].page_dma, - PAGE_SIZE << priv->hw_params.rx_page_order, - DMA_FROM_DEVICE); - __iwl_free_pages(priv, rxq->pool[i].page); - rxq->pool[i].page = NULL; - } - list_add_tail(&rxq->pool[i].list, &rxq->rx_used); - } - - for (i = 0; i < RX_QUEUE_SIZE; i++) - rxq->queue[i] = NULL; - - /* Set us so that we have processed and used all buffers, but have - * not restocked the Rx queue with fresh buffers */ - rxq->read = rxq->write = 0; - rxq->write_actual = 0; - rxq->free_count = 0; - spin_unlock_irqrestore(&rxq->lock, flags); -} - int iwlagn_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq) { u32 rb_size; @@ -731,7 +699,6 @@ int iwlagn_hw_nic_init(struct iwl_priv *priv) { unsigned long flags; struct iwl_rx_queue *rxq = &priv->rxq; - int ret; /* nic_init */ spin_lock_irqsave(&priv->lock, flags); @@ -747,14 +714,7 @@ int iwlagn_hw_nic_init(struct iwl_priv *priv) priv->cfg->ops->lib->apm_ops.config(priv); /* Allocate the RX queue, or reset if it is already allocated */ - if (!rxq->bd) { - ret = iwl_rx_queue_alloc(priv); - if (ret) { - IWL_ERR(priv, "Unable to initialize Rx queue\n"); - return -ENOMEM; - } - } else - iwlagn_rx_queue_reset(priv, rxq); + priv->trans.ops->rx_init(priv); iwlagn_rx_replenish(priv); @@ -768,12 +728,8 @@ int iwlagn_hw_nic_init(struct iwl_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); /* Allocate or reset and init all Tx and Command queues */ - if (!priv->txq) { - ret = iwlagn_txq_ctx_alloc(priv); - if (ret) - return ret; - } else - iwlagn_txq_ctx_reset(priv); + if (priv->trans.ops->tx_init(priv)) + return -ENOMEM; if (priv->cfg->base_params->shadow_reg_enable) { /* enable shadow regs in HW */ @@ -949,33 +905,6 @@ void iwlagn_rx_replenish_now(struct iwl_priv *priv) iwlagn_rx_queue_restock(priv); } -/* Assumes that the skb field of the buffers in 'pool' is kept accurate. - * If an SKB has been detached, the POOL needs to have its SKB set to NULL - * This free routine walks the list of POOL entries and if SKB is set to - * non NULL it is unmapped and freed - */ -void iwlagn_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq) -{ - int i; - for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) { - if (rxq->pool[i].page != NULL) { - dma_unmap_page(priv->bus.dev, rxq->pool[i].page_dma, - PAGE_SIZE << priv->hw_params.rx_page_order, - DMA_FROM_DEVICE); - __iwl_free_pages(priv, rxq->pool[i].page); - rxq->pool[i].page = NULL; - } - } - - dma_free_coherent(priv->bus.dev, 4 * RX_QUEUE_SIZE, - rxq->bd, rxq->bd_dma); - dma_free_coherent(priv->bus.dev, - sizeof(struct iwl_rb_status), - rxq->rb_stts, rxq->rb_stts_dma); - rxq->bd = NULL; - rxq->rb_stts = NULL; -} - int iwlagn_rxq_stop(struct iwl_priv *priv) { @@ -1437,17 +1366,14 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) /* set scan bit here for PAN params */ set_bit(STATUS_SCAN_HW, &priv->status); - if (priv->cfg->ops->hcmd->set_pan_params) { - ret = priv->cfg->ops->hcmd->set_pan_params(priv); - if (ret) - return ret; - } + ret = iwlagn_set_pan_params(priv); + if (ret) + return ret; ret = iwl_send_cmd_sync(priv, &cmd); if (ret) { clear_bit(STATUS_SCAN_HW, &priv->status); - if (priv->cfg->ops->hcmd->set_pan_params) - priv->cfg->ops->hcmd->set_pan_params(priv); + iwlagn_set_pan_params(priv); } return ret; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 8fa43d4..c6bb73a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -436,11 +436,9 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) if (ret) return ret; - if (priv->cfg->ops->hcmd->set_pan_params) { - ret = priv->cfg->ops->hcmd->set_pan_params(priv); - if (ret) - return ret; - } + ret = iwlagn_set_pan_params(priv); + if (ret) + return ret; if (new_assoc) return iwlagn_rxon_connect(priv, ctx); @@ -483,9 +481,8 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) * set up the SM PS mode to OFF if an HT channel is * configured. */ - if (priv->cfg->ops->hcmd->set_rxon_chain) - for_each_context(priv, ctx) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + for_each_context(priv, ctx) + iwlagn_set_rxon_chain(priv, ctx); } if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { @@ -741,8 +738,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, iwl_set_rxon_ht(priv, &priv->current_ht_config); } - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + iwlagn_set_rxon_chain(priv, ctx); if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ)) ctx->staging.flags |= RXON_FLG_TGG_PROTECT_MSK; @@ -821,6 +817,5 @@ void iwlagn_post_scan(struct iwl_priv *priv) if (memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging))) iwlagn_commit_rxon(priv, ctx); - if (priv->cfg->ops->hcmd->set_pan_params) - priv->cfg->ops->hcmd->set_pan_params(priv); + iwlagn_set_pan_params(priv); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index d0ac090..c05a8d9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -878,96 +878,6 @@ void iwlagn_hw_txq_ctx_free(struct iwl_priv *priv) } /** - * iwlagn_txq_ctx_alloc - allocate TX queue context - * Allocate all Tx DMA structures and initialize them - * - * @param priv - * @return error code - */ -int iwlagn_txq_ctx_alloc(struct iwl_priv *priv) -{ - int ret; - int txq_id, slots_num; - unsigned long flags; - - /* Free all tx/cmd queues and keep-warm buffer */ - iwlagn_hw_txq_ctx_free(priv); - - ret = iwlagn_alloc_dma_ptr(priv, &priv->scd_bc_tbls, - priv->hw_params.scd_bc_tbls_size); - if (ret) { - IWL_ERR(priv, "Scheduler BC Table allocation failed\n"); - goto error_bc_tbls; - } - /* Alloc keep-warm buffer */ - ret = iwlagn_alloc_dma_ptr(priv, &priv->kw, IWL_KW_SIZE); - if (ret) { - IWL_ERR(priv, "Keep Warm allocation failed\n"); - goto error_kw; - } - - /* allocate tx queue structure */ - ret = iwl_alloc_txq_mem(priv); - if (ret) - goto error; - - spin_lock_irqsave(&priv->lock, flags); - - /* Turn off all Tx DMA fifos */ - iwlagn_txq_set_sched(priv, 0); - - /* Tell NIC where to find the "keep warm" buffer */ - iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, priv->kw.dma >> 4); - - spin_unlock_irqrestore(&priv->lock, flags); - - /* Alloc and init all Tx queues, including the command queue (#4/#9) */ - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) { - slots_num = (txq_id == priv->cmd_queue) ? - TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; - ret = iwl_tx_queue_init(priv, &priv->txq[txq_id], slots_num, - txq_id); - if (ret) { - IWL_ERR(priv, "Tx %d queue init failed\n", txq_id); - goto error; - } - } - - return ret; - - error: - iwlagn_hw_txq_ctx_free(priv); - iwlagn_free_dma_ptr(priv, &priv->kw); - error_kw: - iwlagn_free_dma_ptr(priv, &priv->scd_bc_tbls); - error_bc_tbls: - return ret; -} - -void iwlagn_txq_ctx_reset(struct iwl_priv *priv) -{ - int txq_id, slots_num; - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); - - /* Turn off all Tx DMA fifos */ - iwlagn_txq_set_sched(priv, 0); - - /* Tell NIC where to find the "keep warm" buffer */ - iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, priv->kw.dma >> 4); - - spin_unlock_irqrestore(&priv->lock, flags); - - /* Alloc and init all Tx queues, including the command queue (#4) */ - for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) { - slots_num = txq_id == priv->cmd_queue ? - TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; - iwl_tx_queue_reset(priv, &priv->txq[txq_id], slots_num, txq_id); - } -} - -/** * iwlagn_txq_ctx_stop - Stop all Tx DMA channels */ void iwlagn_txq_ctx_stop(struct iwl_priv *priv) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index de8277e..2043c8b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -386,11 +386,13 @@ static int iwlagn_alive_notify(struct iwl_priv *priv) spin_lock_irqsave(&priv->lock, flags); priv->scd_base_addr = iwl_read_prph(priv, IWLAGN_SCD_SRAM_BASE_ADDR); - a = priv->scd_base_addr + IWLAGN_SCD_CONTEXT_DATA_OFFSET; - for (; a < priv->scd_base_addr + IWLAGN_SCD_TX_STTS_BITMAP_OFFSET; + a = priv->scd_base_addr + IWLAGN_SCD_CONTEXT_MEM_LOWER_BOUND; + /* reset conext data memory */ + for (; a < priv->scd_base_addr + IWLAGN_SCD_CONTEXT_MEM_UPPER_BOUND; a += 4) iwl_write_targ_mem(priv, a, 0); - for (; a < priv->scd_base_addr + IWLAGN_SCD_TRANSLATE_TBL_OFFSET; + /* reset tx status memory */ + for (; a < priv->scd_base_addr + IWLAGN_SCD_TX_STTS_MEM_UPPER_BOUND; a += 4) iwl_write_targ_mem(priv, a, 0); for (; a < priv->scd_base_addr + diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index e2f6b2a..7e6c463 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -56,7 +56,7 @@ #include "iwl-agn-calib.h" #include "iwl-agn.h" #include "iwl-pci.h" - +#include "iwl-trans.h" /****************************************************************************** * @@ -90,12 +90,10 @@ void iwl_update_chain_flags(struct iwl_priv *priv) { struct iwl_rxon_context *ctx; - if (priv->cfg->ops->hcmd->set_rxon_chain) { - for_each_context(priv, ctx) { - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - if (ctx->active.rx_chain != ctx->staging.rx_chain) - iwlagn_commit_rxon(priv, ctx); - } + for_each_context(priv, ctx) { + iwlagn_set_rxon_chain(priv, ctx); + if (ctx->active.rx_chain != ctx->staging.rx_chain) + iwlagn_commit_rxon(priv, ctx); } } @@ -260,7 +258,7 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work) /* dont send host command if rf-kill is on */ if (!iwl_is_ready_rf(priv)) return; - priv->cfg->ops->hcmd->send_bt_config(priv); + iwlagn_send_advance_bt_config(priv); } static void iwl_bg_bt_full_concurrency(struct work_struct *work) @@ -287,12 +285,11 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work) * to avoid 3-wire collisions */ for_each_context(priv, ctx) { - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + iwlagn_set_rxon_chain(priv, ctx); iwlagn_commit_rxon(priv, ctx); } - priv->cfg->ops->hcmd->send_bt_config(priv); + iwlagn_send_advance_bt_config(priv); out: mutex_unlock(&priv->mutex); } @@ -2017,7 +2014,7 @@ int iwl_alive_start(struct iwl_priv *priv) priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; - priv->cfg->ops->hcmd->send_bt_config(priv); + iwlagn_send_advance_bt_config(priv); priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; iwlagn_send_prio_tbl(priv); @@ -2030,7 +2027,13 @@ int iwl_alive_start(struct iwl_priv *priv) BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); if (ret) return ret; + } else { + /* + * default is 2-wire BT coexexistence support + */ + iwl_send_bt_config(priv); } + if (priv->hw_params.calib_rt_cfg) iwlagn_send_calib_cfg_rt(priv, priv->hw_params.calib_rt_cfg); @@ -2039,8 +2042,7 @@ int iwl_alive_start(struct iwl_priv *priv) priv->active_rate = IWL_RATES_MASK; /* Configure Tx antenna selection based on H/W config */ - if (priv->cfg->ops->hcmd->set_tx_ant) - priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant); + iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant); if (iwl_is_associated_ctx(ctx)) { struct iwl_rxon_cmd *active_rxon = @@ -2054,16 +2056,7 @@ int iwl_alive_start(struct iwl_priv *priv) for_each_context(priv, tmp) iwl_connection_init_rx_config(priv, tmp); - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); - } - - if (!priv->cfg->bt_params || (priv->cfg->bt_params && - !priv->cfg->bt_params->advanced_bt_coexist)) { - /* - * default is 2-wire BT coexexistence support - */ - priv->cfg->ops->hcmd->send_bt_config(priv); + iwlagn_set_rxon_chain(priv, ctx); } iwl_reset_run_time_calib(priv); @@ -3288,9 +3281,7 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->rx_statistics_jiffies = jiffies; /* Choose which receivers/antennas to use */ - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, - &priv->contexts[IWL_RXON_CTX_BSS]); + iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]); iwl_init_scan_params(priv); @@ -3517,6 +3508,8 @@ int iwl_probe(void *bus_specific, struct iwl_bus_ops *bus_ops, priv->bus.ops->set_drv_data(&priv->bus, priv); priv->bus.dev = priv->bus.ops->get_dev(&priv->bus); + iwl_trans_register(&priv->trans); + /* At this point both hw and priv are allocated. */ SET_IEEE80211_DEV(hw, priv->bus.dev); @@ -3716,8 +3709,7 @@ void __devexit iwl_remove(struct iwl_priv * priv) iwl_dealloc_ucode(priv); - if (priv->rxq.bd) - iwlagn_rx_queue_free(priv, &priv->rxq); + priv->trans.ops->rx_free(priv); iwlagn_hw_txq_ctx_free(priv); iwl_eeprom_free(priv); @@ -3820,6 +3812,10 @@ MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); +module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO); +MODULE_PARM_DESC(wd_disable, + "Disable stuck queue watchdog timer (default: 0 [enabled])"); + /* * set bt_coex_active to true, uCode will do kill/defer * every time the priority line is asserted (BT is sending signals on the diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index dcdf225..4351151 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -182,7 +182,6 @@ void iwlagn_temperature(struct iwl_priv *priv); u16 iwlagn_eeprom_calib_version(struct iwl_priv *priv); const u8 *iwlagn_eeprom_query_addr(const struct iwl_priv *priv, size_t offset); -void iwlagn_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq); int iwlagn_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq); int iwlagn_hw_nic_init(struct iwl_priv *priv); int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv); @@ -194,7 +193,6 @@ void iwlagn_rx_queue_restock(struct iwl_priv *priv); void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority); void iwlagn_rx_replenish(struct iwl_priv *priv); void iwlagn_rx_replenish_now(struct iwl_priv *priv); -void iwlagn_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq); int iwlagn_rxq_stop(struct iwl_priv *priv); int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band); void iwl_setup_rx_handlers(struct iwl_priv *priv); @@ -220,8 +218,6 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index); void iwlagn_hw_txq_ctx_free(struct iwl_priv *priv); -int iwlagn_txq_ctx_alloc(struct iwl_priv *priv); -void iwlagn_txq_ctx_reset(struct iwl_priv *priv); void iwlagn_txq_ctx_stop(struct iwl_priv *priv); static inline u32 iwl_tx_status_to_mac80211(u32 status) @@ -260,6 +256,7 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv, /* hcmd */ int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant); int iwlagn_send_beacon_cmd(struct iwl_priv *priv); +int iwlagn_set_pan_params(struct iwl_priv *priv); /* bt coex */ void iwlagn_send_advance_bt_config(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 7f16d12..f91e306 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -585,8 +585,7 @@ static void _iwl_set_rxon_ht(struct iwl_priv *priv, rxon->flags |= RXON_FLG_CHANNEL_MODE_LEGACY; } - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + iwlagn_set_rxon_chain(priv, ctx); IWL_DEBUG_ASSOC(priv, "rxon flags 0x%X operation mode :0x%X " "extension channel offset 0x%x\n", @@ -1216,8 +1215,7 @@ static int iwl_set_mode(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { iwl_connection_init_rx_config(priv, ctx); - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx); + iwlagn_set_rxon_chain(priv, ctx); return iwlagn_commit_rxon(priv, ctx); } @@ -1372,20 +1370,6 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw, } -int iwl_alloc_txq_mem(struct iwl_priv *priv) -{ - if (!priv->txq) - priv->txq = kzalloc( - sizeof(struct iwl_tx_queue) * - priv->cfg->base_params->num_of_queues, - GFP_KERNEL); - if (!priv->txq) { - IWL_ERR(priv, "Not enough memory for txq\n"); - return -ENOMEM; - } - return 0; -} - void iwl_free_txq_mem(struct iwl_priv *priv) { kfree(priv->txq); @@ -1853,7 +1837,7 @@ void iwl_setup_watchdog(struct iwl_priv *priv) { unsigned int timeout = priv->cfg->base_params->wd_timeout; - if (timeout) + if (timeout && !iwlagn_mod_params.wd_disable) mod_timer(&priv->watchdog, jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout))); else diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index f881678..6c21de9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -80,14 +80,6 @@ struct iwl_cmd; #define IWL_CMD(x) case x: return #x -struct iwl_hcmd_ops { - void (*set_rxon_chain)(struct iwl_priv *priv, - struct iwl_rxon_context *ctx); - int (*set_tx_ant)(struct iwl_priv *priv, u8 valid_tx_ant); - void (*send_bt_config)(struct iwl_priv *priv); - int (*set_pan_params)(struct iwl_priv *priv); -}; - struct iwl_hcmd_utils_ops { u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data); void (*gain_computation)(struct iwl_priv *priv, @@ -146,7 +138,6 @@ struct iwl_nic_ops { struct iwl_ops { const struct iwl_lib_ops *lib; - const struct iwl_hcmd_ops *hcmd; const struct iwl_hcmd_utils_ops *utils; const struct iwl_nic_ops *nic; }; @@ -160,6 +151,7 @@ struct iwl_mod_params { int restart_fw; /* def: 1 = restart firmware */ bool plcp_check; /* def: true = enable plcp health check */ bool ack_check; /* def: false = disable ack health check */ + bool wd_disable; /* def: false = enable stuck queue check */ bool bt_coex_active; /* def: true = enable bt coex */ int led_mode; /* def: 0 = system default */ bool no_sleep_autoadjust; /* def: true = disable autoadjust */ @@ -336,7 +328,6 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw, int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum nl80211_iftype newtype, bool newp2p); -int iwl_alloc_txq_mem(struct iwl_priv *priv); void iwl_free_txq_mem(struct iwl_priv *priv); #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -382,7 +373,6 @@ static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx, ******************************************************/ void iwl_cmd_queue_free(struct iwl_priv *priv); void iwl_cmd_queue_unmap(struct iwl_priv *priv); -int iwl_rx_queue_alloc(struct iwl_priv *priv); void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q); int iwl_rx_queue_space(const struct iwl_rx_queue *q); @@ -396,11 +386,9 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success); * TX ******************************************************/ void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq); -int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, - int slots_num, u32 txq_id); -void iwl_tx_queue_reset(struct iwl_priv *priv, struct iwl_tx_queue *txq, - int slots_num, u32 txq_id); void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id); +int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, + int count, int slots_num, u32 id); void iwl_tx_queue_unmap(struct iwl_priv *priv, int txq_id); void iwl_setup_watchdog(struct iwl_priv *priv); /***************************************************** diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index f1b1128..c6560e9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -666,7 +666,6 @@ struct iwl_hw_params { u16 max_rxq_size; u16 max_rxq_log; u32 rx_page_order; - u32 rx_wrt_ptr_reg; u8 max_stations; u8 ht40_channel; u8 max_beacon_itrvl; /* in 1024 ms */ @@ -1228,6 +1227,25 @@ struct iwl_bus { unsigned int irq; }; +struct iwl_trans; + +/** + * struct iwl_trans_ops - transport specific operations + + * @rx_init: inits the rx memory, allocate it if needed + * @rx_free: frees the rx memory + * @tx_init:inits the tx memory, allocate if needed + */ +struct iwl_trans_ops { + int (*rx_init)(struct iwl_priv *priv); + void (*rx_free)(struct iwl_priv *priv); + int (*tx_init)(struct iwl_priv *priv); +}; + +struct iwl_trans { + const struct iwl_trans_ops *ops; +}; + struct iwl_priv { /* ieee device used by generic ieee processing code */ @@ -1296,13 +1314,13 @@ struct iwl_priv { struct mutex mutex; struct iwl_bus bus; /* bus specific data */ + struct iwl_trans trans; /* microcode/device supports multiple contexts */ u8 valid_contexts; /* command queue number */ u8 cmd_queue; - u8 last_sync_cmd_id; /* max number of station keys */ u8 sta_key_max_num; diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c index e3e5fb6..107b38e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c @@ -171,6 +171,8 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) int cmd_idx; int ret; + lockdep_assert_held(&priv->mutex); + if (WARN_ON(cmd->flags & CMD_ASYNC)) return -EINVAL; @@ -181,16 +183,7 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) IWL_DEBUG_INFO(priv, "Attempting to send sync command %s\n", get_cmd_string(cmd->id)); - if (test_and_set_bit(STATUS_HCMD_ACTIVE, &priv->status)) { - IWL_ERR(priv, "STATUS_HCMD_ACTIVE already set while sending %s" - ". Previous SYNC cmdn is %s\n", - get_cmd_string(cmd->id), - get_cmd_string(priv->last_sync_cmd_id)); - WARN_ON(1); - } else { - priv->last_sync_cmd_id = cmd->id; - } - + set_bit(STATUS_HCMD_ACTIVE, &priv->status); IWL_DEBUG_INFO(priv, "Setting HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->id)); diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c index 3b5844b..7491134 100644 --- a/drivers/net/wireless/iwlwifi/iwl-pci.c +++ b/drivers/net/wireless/iwlwifi/iwl-pci.c @@ -67,6 +67,7 @@ #include "iwl-agn.h" #include "iwl-core.h" #include "iwl-io.h" +#include "iwl-trans.h" /* PCI registers */ #define PCI_CFG_RETRY_TIMEOUT 0x041 @@ -93,7 +94,7 @@ static u16 iwl_pciexp_link_ctrl(struct iwl_bus *bus) u16 pci_lnk_ctl; struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); - pos = pci_find_capability(pci_dev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(pci_dev); pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl); return pci_lnk_ctl; } diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index f00d188..1cc0ed1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -168,6 +168,7 @@ * the scheduler (especially for queue #4/#9, the command queue, otherwise * the driver can't issue commands!): */ +#define SCD_MEM_LOWER_BOUND (0x0000) /** * Max Tx window size is the max number of contiguous TFDs that the scheduler @@ -197,15 +198,23 @@ #define IWLAGN_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS (16) #define IWLAGN_SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK (0x007F0000) -#define IWLAGN_SCD_CONTEXT_DATA_OFFSET (0x600) -#define IWLAGN_SCD_TX_STTS_BITMAP_OFFSET (0x7B1) -#define IWLAGN_SCD_TRANSLATE_TBL_OFFSET (0x7E0) +/* Context Data */ +#define IWLAGN_SCD_CONTEXT_MEM_LOWER_BOUND (SCD_MEM_LOWER_BOUND + 0x600) +#define IWLAGN_SCD_CONTEXT_MEM_UPPER_BOUND (SCD_MEM_LOWER_BOUND + 0x6A0) + +/* Tx status */ +#define IWLAGN_SCD_TX_STTS_MEM_LOWER_BOUND (SCD_MEM_LOWER_BOUND + 0x6A0) +#define IWLAGN_SCD_TX_STTS_MEM_UPPER_BOUND (SCD_MEM_LOWER_BOUND + 0x7E0) + +/* Translation Data */ +#define IWLAGN_SCD_TRANS_TBL_MEM_LOWER_BOUND (SCD_MEM_LOWER_BOUND + 0x7E0) +#define IWLAGN_SCD_TRANS_TBL_MEM_UPPER_BOUND (SCD_MEM_LOWER_BOUND + 0x808) #define IWLAGN_SCD_CONTEXT_QUEUE_OFFSET(x)\ - (IWLAGN_SCD_CONTEXT_DATA_OFFSET + ((x) * 8)) + (IWLAGN_SCD_CONTEXT_MEM_LOWER_BOUND + ((x) * 8)) #define IWLAGN_SCD_TRANSLATE_TBL_OFFSET_QUEUE(x) \ - ((IWLAGN_SCD_TRANSLATE_TBL_OFFSET + ((x) * 2)) & 0xfffc) + ((IWLAGN_SCD_TRANS_TBL_MEM_LOWER_BOUND + ((x) * 2)) & 0xfffc) #define IWLAGN_SCD_QUEUECHAIN_SEL_ALL(priv) \ (((1<<(priv)->hw_params.max_txq_num) - 1) &\ diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index 3efa706..87148bb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -134,7 +134,6 @@ int iwl_rx_queue_space(const struct iwl_rx_queue *q) void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) { unsigned long flags; - u32 rx_wrt_ptr_reg = priv->hw_params.rx_wrt_ptr_reg; u32 reg; spin_lock_irqsave(&q->lock, flags); @@ -146,7 +145,7 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q /* shadow register enabled */ /* Device expects a multiple of 8 */ q->write_actual = (q->write & ~0x7); - iwl_write32(priv, rx_wrt_ptr_reg, q->write_actual); + iwl_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write_actual); } else { /* If power-saving is in use, make sure device is awake */ if (test_bit(STATUS_POWER_PMI, &priv->status)) { @@ -162,14 +161,14 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q } q->write_actual = (q->write & ~0x7); - iwl_write_direct32(priv, rx_wrt_ptr_reg, + iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR, q->write_actual); /* Else device is assumed to be awake */ } else { /* Device expects a multiple of 8 */ q->write_actual = (q->write & ~0x7); - iwl_write_direct32(priv, rx_wrt_ptr_reg, + iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR, q->write_actual); } } @@ -179,46 +178,6 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q spin_unlock_irqrestore(&q->lock, flags); } -int iwl_rx_queue_alloc(struct iwl_priv *priv) -{ - struct iwl_rx_queue *rxq = &priv->rxq; - struct device *dev = priv->bus.dev; - int i; - - spin_lock_init(&rxq->lock); - INIT_LIST_HEAD(&rxq->rx_free); - INIT_LIST_HEAD(&rxq->rx_used); - - /* Alloc the circular buffer of Read Buffer Descriptors (RBDs) */ - rxq->bd = dma_alloc_coherent(dev, 4 * RX_QUEUE_SIZE, &rxq->bd_dma, - GFP_KERNEL); - if (!rxq->bd) - goto err_bd; - - rxq->rb_stts = dma_alloc_coherent(dev, sizeof(struct iwl_rb_status), - &rxq->rb_stts_dma, GFP_KERNEL); - if (!rxq->rb_stts) - goto err_rb; - - /* Fill the rx_used queue with _all_ of the Rx buffers */ - for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) - list_add_tail(&rxq->pool[i].list, &rxq->rx_used); - - /* Set us so that we have processed and used all buffers, but have - * not restocked the Rx queue with fresh buffers */ - rxq->read = rxq->write = 0; - rxq->write_actual = 0; - rxq->free_count = 0; - rxq->need_update = 0; - return 0; - -err_rb: - dma_free_coherent(dev, 4 * RX_QUEUE_SIZE, rxq->bd, - rxq->bd_dma); -err_bd: - return -ENOMEM; -} - /****************************************************************************** * * Generic RX handler implementations diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.h b/drivers/net/wireless/iwlwifi/iwl-testmode.h index 160911a..d825188 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.h +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.h @@ -66,116 +66,144 @@ #include <linux/types.h> -/* Commands from user space to kernel space(IWL_TM_CMD_ID_APP2DEV_XX) and +/* + * Commands from user space to kernel space(IWL_TM_CMD_ID_APP2DEV_XX) and * from and kernel space to user space(IWL_TM_CMD_ID_DEV2APP_XX). - * The command ID is carried with IWL_TM_ATTR_COMMAND. There are three types of - * of command from user space and two types of command from kernel space. - * See below. + * The command ID is carried with IWL_TM_ATTR_COMMAND. + * + * @IWL_TM_CMD_APP2DEV_UCODE: + * commands from user application to the uCode, + * the actual uCode host command ID is carried with + * IWL_TM_ATTR_UCODE_CMD_ID + * + * @IWL_TM_CMD_APP2DEV_REG_READ32: + * @IWL_TM_CMD_APP2DEV_REG_WRITE32: + * @IWL_TM_CMD_APP2DEV_REG_WRITE8: + * commands from user applicaiton to access register + * + * @IWL_TM_CMD_APP2DEV_GET_DEVICENAME: retrieve device name + * @IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: load initial uCode image + * @IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: perform calibration + * @IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: load runtime uCode image + * @IWL_TM_CMD_APP2DEV_GET_EEPROM: request EEPROM data + * @IWL_TM_CMD_APP2DEV_FIXRATE_REQ: set fix MCS + * commands fom user space for pure driver level operations + * + * @IWL_TM_CMD_APP2DEV_BEGIN_TRACE: + * @IWL_TM_CMD_APP2DEV_END_TRACE: + * @IWL_TM_CMD_APP2DEV_READ_TRACE: + * commands fom user space for uCode trace operations + * + * @IWL_TM_CMD_DEV2APP_SYNC_RSP: + * commands from kernel space to carry the synchronous response + * to user application + * @IWL_TM_CMD_DEV2APP_UCODE_RX_PKT: + * commands from kernel space to multicast the spontaneous messages + * to user application + * @IWL_TM_CMD_DEV2APP_EEPROM_RSP: + * commands from kernel space to carry the eeprom response + * to user application */ enum iwl_tm_cmd_t { - /* commands from user application to the uCode, - * the actual uCode host command ID is carried with - * IWL_TM_ATTR_UCODE_CMD_ID */ - IWL_TM_CMD_APP2DEV_UCODE = 1, - - /* commands from user applicaiton to access register */ - IWL_TM_CMD_APP2DEV_REG_READ32, - IWL_TM_CMD_APP2DEV_REG_WRITE32, - IWL_TM_CMD_APP2DEV_REG_WRITE8, - - /* commands fom user space for pure driver level operations */ - IWL_TM_CMD_APP2DEV_GET_DEVICENAME, - IWL_TM_CMD_APP2DEV_LOAD_INIT_FW, - IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB, - IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW, - IWL_TM_CMD_APP2DEV_GET_EEPROM, - IWL_TM_CMD_APP2DEV_FIXRATE_REQ, - /* if there is other new command for the driver layer operation, - * append them here */ - - /* commands fom user space for uCode trace operations */ - IWL_TM_CMD_APP2DEV_BEGIN_TRACE, - IWL_TM_CMD_APP2DEV_END_TRACE, - IWL_TM_CMD_APP2DEV_READ_TRACE, - - /* commands from kernel space to carry the synchronous response - * to user application */ - IWL_TM_CMD_DEV2APP_SYNC_RSP, - - /* commands from kernel space to multicast the spontaneous messages - * to user application */ - IWL_TM_CMD_DEV2APP_UCODE_RX_PKT, - - /* commands from kernel space to carry the eeprom response - * to user application */ - IWL_TM_CMD_DEV2APP_EEPROM_RSP, - - IWL_TM_CMD_MAX, + IWL_TM_CMD_APP2DEV_UCODE = 1, + IWL_TM_CMD_APP2DEV_REG_READ32 = 2, + IWL_TM_CMD_APP2DEV_REG_WRITE32 = 3, + IWL_TM_CMD_APP2DEV_REG_WRITE8 = 4, + IWL_TM_CMD_APP2DEV_GET_DEVICENAME = 5, + IWL_TM_CMD_APP2DEV_LOAD_INIT_FW = 6, + IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB = 7, + IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW = 8, + IWL_TM_CMD_APP2DEV_GET_EEPROM = 9, + IWL_TM_CMD_APP2DEV_FIXRATE_REQ = 10, + IWL_TM_CMD_APP2DEV_BEGIN_TRACE = 11, + IWL_TM_CMD_APP2DEV_END_TRACE = 12, + IWL_TM_CMD_APP2DEV_READ_TRACE = 13, + IWL_TM_CMD_DEV2APP_SYNC_RSP = 14, + IWL_TM_CMD_DEV2APP_UCODE_RX_PKT = 15, + IWL_TM_CMD_DEV2APP_EEPROM_RSP = 16, + IWL_TM_CMD_MAX = 17, }; +/* + * Atrribute filed in testmode command + * See enum iwl_tm_cmd_t. + * + * @IWL_TM_ATTR_NOT_APPLICABLE: + * The attribute is not applicable or invalid + * @IWL_TM_ATTR_COMMAND: + * From user space to kernel space: + * the command either destines to ucode, driver, or register; + * From kernel space to user space: + * the command either carries synchronous response, + * or the spontaneous message multicast from the device; + * + * @IWL_TM_ATTR_UCODE_CMD_ID: + * @IWL_TM_ATTR_UCODE_CMD_DATA: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_UCODE, + * The mandatory fields are : + * IWL_TM_ATTR_UCODE_CMD_ID for recognizable command ID; + * IWL_TM_ATTR_COMMAND_FLAG for the flags of the commands; + * The optional fields are: + * IWL_TM_ATTR_UCODE_CMD_DATA for the actual command payload + * to the ucode + * + * @IWL_TM_ATTR_REG_OFFSET: + * @IWL_TM_ATTR_REG_VALUE8: + * @IWL_TM_ATTR_REG_VALUE32: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_XXX, + * The mandatory fields are: + * IWL_TM_ATTR_REG_OFFSET for the offset of the target register; + * IWL_TM_ATTR_REG_VALUE8 or IWL_TM_ATTR_REG_VALUE32 for value + * + * @IWL_TM_ATTR_SYNC_RSP: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_SYNC_RSP, + * The mandatory fields are: + * IWL_TM_ATTR_SYNC_RSP for the data content responding to the user + * application command + * + * @IWL_TM_ATTR_UCODE_RX_PKT: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_UCODE_RX_PKT, + * The mandatory fields are: + * IWL_TM_ATTR_UCODE_RX_PKT for the data content multicast to the user + * application + * + * @IWL_TM_ATTR_EEPROM: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_EEPROM, + * The mandatory fields are: + * IWL_TM_ATTR_EEPROM for the data content responging to the user + * application + * + * @IWL_TM_ATTR_TRACE_ADDR: + * @IWL_TM_ATTR_TRACE_SIZE: + * @IWL_TM_ATTR_TRACE_DUMP: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_XXX_TRACE, + * The mandatory fields are: + * IWL_TM_ATTR_MEM_TRACE_ADDR for the trace address + * IWL_TM_ATTR_MEM_TRACE_SIZE for the trace buffer size + * IWL_TM_ATTR_MEM_TRACE_DUMP for the trace dump + * + * @IWL_TM_ATTR_FIXRATE: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_FIXRATE_REQ, + * The mandatory fields are: + * IWL_TM_ATTR_FIXRATE for the fixed rate + * + */ enum iwl_tm_attr_t { - IWL_TM_ATTR_NOT_APPLICABLE = 0, - - /* From user space to kernel space: - * the command either destines to ucode, driver, or register; - * See enum iwl_tm_cmd_t. - * - * From kernel space to user space: - * the command either carries synchronous response, - * or the spontaneous message multicast from the device; - * See enum iwl_tm_cmd_t. */ - IWL_TM_ATTR_COMMAND, - - /* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_UCODE, - * The mandatory fields are : - * IWL_TM_ATTR_UCODE_CMD_ID for recognizable command ID; - * IWL_TM_ATTR_COMMAND_FLAG for the flags of the commands; - * The optional fields are: - * IWL_TM_ATTR_UCODE_CMD_DATA for the actual command payload - * to the ucode */ - IWL_TM_ATTR_UCODE_CMD_ID, - IWL_TM_ATTR_UCODE_CMD_DATA, - - /* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_REG_XXX, - * The mandatory fields are: - * IWL_TM_ATTR_REG_OFFSET for the offset of the target register; - * IWL_TM_ATTR_REG_VALUE8 or IWL_TM_ATTR_REG_VALUE32 for value */ - IWL_TM_ATTR_REG_OFFSET, - IWL_TM_ATTR_REG_VALUE8, - IWL_TM_ATTR_REG_VALUE32, - - /* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_SYNC_RSP, - * The mandatory fields are: - * IWL_TM_ATTR_SYNC_RSP for the data content responding to the user - * application command */ - IWL_TM_ATTR_SYNC_RSP, - /* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_UCODE_RX_PKT, - * The mandatory fields are: - * IWL_TM_ATTR_UCODE_RX_PKT for the data content multicast to the user - * application */ - IWL_TM_ATTR_UCODE_RX_PKT, - - /* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_DEV2APP_EEPROM, - * The mandatory fields are: - * IWL_TM_ATTR_EEPROM for the data content responging to the user - * application */ - IWL_TM_ATTR_EEPROM, - - /* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_XXX_TRACE, - * The mandatory fields are: - * IWL_TM_ATTR_MEM_TRACE_ADDR for the trace address - */ - IWL_TM_ATTR_TRACE_ADDR, - IWL_TM_ATTR_TRACE_SIZE, - IWL_TM_ATTR_TRACE_DUMP, - - /* When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_FIXRATE_REQ, - * The mandatory fields are: - * IWL_TM_ATTR_FIXRATE for the fixed rate - */ - IWL_TM_ATTR_FIXRATE, - - IWL_TM_ATTR_MAX, + IWL_TM_ATTR_NOT_APPLICABLE = 0, + IWL_TM_ATTR_COMMAND = 1, + IWL_TM_ATTR_UCODE_CMD_ID = 2, + IWL_TM_ATTR_UCODE_CMD_DATA = 3, + IWL_TM_ATTR_REG_OFFSET = 4, + IWL_TM_ATTR_REG_VALUE8 = 5, + IWL_TM_ATTR_REG_VALUE32 = 6, + IWL_TM_ATTR_SYNC_RSP = 7, + IWL_TM_ATTR_UCODE_RX_PKT = 8, + IWL_TM_ATTR_EEPROM = 9, + IWL_TM_ATTR_TRACE_ADDR = 10, + IWL_TM_ATTR_TRACE_SIZE = 11, + IWL_TM_ATTR_TRACE_DUMP = 12, + IWL_TM_ATTR_FIXRATE = 13, + IWL_TM_ATTR_MAX = 14, }; /* uCode trace buffer */ diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c new file mode 100644 index 0000000..7b7b97d --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-trans.c @@ -0,0 +1,423 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include "iwl-dev.h" +#include "iwl-trans.h" +#include "iwl-core.h" +#include "iwl-helpers.h" +/*TODO remove uneeded includes when the transport layer tx_free will be here */ +#include "iwl-agn.h" + +static int iwl_trans_rx_alloc(struct iwl_priv *priv) +{ + struct iwl_rx_queue *rxq = &priv->rxq; + struct device *dev = priv->bus.dev; + + memset(&priv->rxq, 0, sizeof(priv->rxq)); + + spin_lock_init(&rxq->lock); + INIT_LIST_HEAD(&rxq->rx_free); + INIT_LIST_HEAD(&rxq->rx_used); + + if (WARN_ON(rxq->bd || rxq->rb_stts)) + return -EINVAL; + + /* Allocate the circular buffer of Read Buffer Descriptors (RBDs) */ + rxq->bd = dma_alloc_coherent(dev, sizeof(__le32) * RX_QUEUE_SIZE, + &rxq->bd_dma, GFP_KERNEL); + if (!rxq->bd) + goto err_bd; + memset(rxq->bd, 0, sizeof(__le32) * RX_QUEUE_SIZE); + + /*Allocate the driver's pointer to receive buffer status */ + rxq->rb_stts = dma_alloc_coherent(dev, sizeof(*rxq->rb_stts), + &rxq->rb_stts_dma, GFP_KERNEL); + if (!rxq->rb_stts) + goto err_rb_stts; + memset(rxq->rb_stts, 0, sizeof(*rxq->rb_stts)); + + return 0; + +err_rb_stts: + dma_free_coherent(dev, sizeof(__le32) * RX_QUEUE_SIZE, + rxq->bd, rxq->bd_dma); + memset(&rxq->bd_dma, 0, sizeof(rxq->bd_dma)); + rxq->bd = NULL; +err_bd: + return -ENOMEM; +} + +static void iwl_trans_rxq_free_rx_bufs(struct iwl_priv *priv) +{ + struct iwl_rx_queue *rxq = &priv->rxq; + int i; + + /* Fill the rx_used queue with _all_ of the Rx buffers */ + for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { + /* In the reset function, these buffers may have been allocated + * to an SKB, so we need to unmap and free potential storage */ + if (rxq->pool[i].page != NULL) { + dma_unmap_page(priv->bus.dev, rxq->pool[i].page_dma, + PAGE_SIZE << priv->hw_params.rx_page_order, + DMA_FROM_DEVICE); + __iwl_free_pages(priv, rxq->pool[i].page); + rxq->pool[i].page = NULL; + } + list_add_tail(&rxq->pool[i].list, &rxq->rx_used); + } +} + +static int iwl_trans_rx_init(struct iwl_priv *priv) +{ + struct iwl_rx_queue *rxq = &priv->rxq; + int i, err; + unsigned long flags; + + if (!rxq->bd) { + err = iwl_trans_rx_alloc(priv); + if (err) + return err; + } + + spin_lock_irqsave(&rxq->lock, flags); + INIT_LIST_HEAD(&rxq->rx_free); + INIT_LIST_HEAD(&rxq->rx_used); + + iwl_trans_rxq_free_rx_bufs(priv); + + for (i = 0; i < RX_QUEUE_SIZE; i++) + rxq->queue[i] = NULL; + + /* Set us so that we have processed and used all buffers, but have + * not restocked the Rx queue with fresh buffers */ + rxq->read = rxq->write = 0; + rxq->write_actual = 0; + rxq->free_count = 0; + spin_unlock_irqrestore(&rxq->lock, flags); + + return 0; +} + +static void iwl_trans_rx_free(struct iwl_priv *priv) +{ + struct iwl_rx_queue *rxq = &priv->rxq; + unsigned long flags; + + /*if rxq->bd is NULL, it means that nothing has been allocated, + * exit now */ + if (!rxq->bd) { + IWL_DEBUG_INFO(priv, "Free NULL rx context\n"); + return; + } + + spin_lock_irqsave(&rxq->lock, flags); + iwl_trans_rxq_free_rx_bufs(priv); + spin_unlock_irqrestore(&rxq->lock, flags); + + dma_free_coherent(priv->bus.dev, sizeof(__le32) * RX_QUEUE_SIZE, + rxq->bd, rxq->bd_dma); + memset(&rxq->bd_dma, 0, sizeof(rxq->bd_dma)); + rxq->bd = NULL; + + if (rxq->rb_stts) + dma_free_coherent(priv->bus.dev, + sizeof(struct iwl_rb_status), + rxq->rb_stts, rxq->rb_stts_dma); + else + IWL_DEBUG_INFO(priv, "Free rxq->rb_stts which is NULL\n"); + memset(&rxq->rb_stts_dma, 0, sizeof(rxq->rb_stts_dma)); + rxq->rb_stts = NULL; +} + +/* TODO:remove this code duplication */ +static inline int iwlagn_alloc_dma_ptr(struct iwl_priv *priv, + struct iwl_dma_ptr *ptr, size_t size) +{ + if (WARN_ON(ptr->addr)) + return -EINVAL; + + ptr->addr = dma_alloc_coherent(priv->bus.dev, size, + &ptr->dma, GFP_KERNEL); + if (!ptr->addr) + return -ENOMEM; + ptr->size = size; + return 0; +} + +static int iwl_trans_txq_alloc(struct iwl_priv *priv, struct iwl_tx_queue *txq, + int slots_num, u32 txq_id) +{ + size_t tfd_sz = priv->hw_params.tfd_size * TFD_QUEUE_SIZE_MAX; + int i; + + if (WARN_ON(txq->meta || txq->cmd || txq->txb || txq->tfds)) + return -EINVAL; + + txq->meta = kzalloc(sizeof(txq->meta[0]) * slots_num, + GFP_KERNEL); + txq->cmd = kzalloc(sizeof(txq->cmd[0]) * slots_num, + GFP_KERNEL); + + if (!txq->meta || !txq->cmd) + goto error; + + for (i = 0; i < slots_num; i++) { + txq->cmd[i] = kmalloc(sizeof(struct iwl_device_cmd), + GFP_KERNEL); + if (!txq->cmd[i]) + goto error; + } + + /* Alloc driver data array and TFD circular buffer */ + /* Driver private data, only for Tx (not command) queues, + * not shared with device. */ + if (txq_id != priv->cmd_queue) { + txq->txb = kzalloc(sizeof(txq->txb[0]) * + TFD_QUEUE_SIZE_MAX, GFP_KERNEL); + if (!txq->txb) { + IWL_ERR(priv, "kmalloc for auxiliary BD " + "structures failed\n"); + goto error; + } + } else { + txq->txb = NULL; + } + + /* Circular buffer of transmit frame descriptors (TFDs), + * shared with device */ + txq->tfds = dma_alloc_coherent(priv->bus.dev, tfd_sz, &txq->q.dma_addr, + GFP_KERNEL); + if (!txq->tfds) { + IWL_ERR(priv, "dma_alloc_coherent(%zd) failed\n", tfd_sz); + goto error; + } + txq->q.id = txq_id; + + return 0; +error: + kfree(txq->txb); + txq->txb = NULL; + /* since txq->cmd has been zeroed, + * all non allocated cmd[i] will be NULL */ + if (txq->cmd) + for (i = 0; i < slots_num; i++) + kfree(txq->cmd[i]); + kfree(txq->meta); + kfree(txq->cmd); + txq->meta = NULL; + txq->cmd = NULL; + + return -ENOMEM; + +} + +static int iwl_trans_txq_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, + int slots_num, u32 txq_id) +{ + int ret; + + txq->need_update = 0; + memset(txq->meta, 0, sizeof(txq->meta[0]) * slots_num); + + /* + * For the default queues 0-3, set up the swq_id + * already -- all others need to get one later + * (if they need one at all). + */ + if (txq_id < 4) + iwl_set_swq_id(txq, txq_id, txq_id); + + /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise + * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */ + BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); + + /* Initialize queue's high/low-water marks, and head/tail indexes */ + ret = iwl_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, + txq_id); + if (ret) + return ret; + + /* + * Tell nic where to find circular buffer of Tx Frame Descriptors for + * given Tx queue, and enable the DMA channel used for that queue. + * Circular buffer (TFD queue in DRAM) physical base address */ + iwl_write_direct32(priv, FH_MEM_CBBC_QUEUE(txq_id), + txq->q.dma_addr >> 8); + + return 0; +} + +/** + * iwl_trans_tx_alloc - allocate TX context + * Allocate all Tx DMA structures and initialize them + * + * @param priv + * @return error code + */ +static int iwl_trans_tx_alloc(struct iwl_priv *priv) +{ + int ret; + int txq_id, slots_num; + + /*It is not allowed to alloc twice, so warn when this happens. + * We cannot rely on the previous allocation, so free and fail */ + if (WARN_ON(priv->txq)) { + ret = -EINVAL; + goto error; + } + + ret = iwlagn_alloc_dma_ptr(priv, &priv->scd_bc_tbls, + priv->hw_params.scd_bc_tbls_size); + if (ret) { + IWL_ERR(priv, "Scheduler BC Table allocation failed\n"); + goto error; + } + + /* Alloc keep-warm buffer */ + ret = iwlagn_alloc_dma_ptr(priv, &priv->kw, IWL_KW_SIZE); + if (ret) { + IWL_ERR(priv, "Keep Warm allocation failed\n"); + goto error; + } + + priv->txq = kzalloc(sizeof(struct iwl_tx_queue) * + priv->cfg->base_params->num_of_queues, GFP_KERNEL); + if (!priv->txq) { + IWL_ERR(priv, "Not enough memory for txq\n"); + ret = ENOMEM; + goto error; + } + + /* Alloc and init all Tx queues, including the command queue (#4/#9) */ + for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) { + slots_num = (txq_id == priv->cmd_queue) ? + TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; + ret = iwl_trans_txq_alloc(priv, &priv->txq[txq_id], slots_num, + txq_id); + if (ret) { + IWL_ERR(priv, "Tx %d queue alloc failed\n", txq_id); + goto error; + } + } + + return 0; + +error: + iwlagn_hw_txq_ctx_free(priv); + + return ret; +} +static int iwl_trans_tx_init(struct iwl_priv *priv) +{ + int ret; + int txq_id, slots_num; + unsigned long flags; + bool alloc = false; + + if (!priv->txq) { + ret = iwl_trans_tx_alloc(priv); + if (ret) + goto error; + alloc = true; + } + + spin_lock_irqsave(&priv->lock, flags); + + /* Turn off all Tx DMA fifos */ + iwl_write_prph(priv, IWLAGN_SCD_TXFACT, 0); + + /* Tell NIC where to find the "keep warm" buffer */ + iwl_write_direct32(priv, FH_KW_MEM_ADDR_REG, priv->kw.dma >> 4); + + spin_unlock_irqrestore(&priv->lock, flags); + + /* Alloc and init all Tx queues, including the command queue (#4/#9) */ + for (txq_id = 0; txq_id < priv->hw_params.max_txq_num; txq_id++) { + slots_num = (txq_id == priv->cmd_queue) ? + TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; + ret = iwl_trans_txq_init(priv, &priv->txq[txq_id], slots_num, + txq_id); + if (ret) { + IWL_ERR(priv, "Tx %d queue init failed\n", txq_id); + goto error; + } + } + + return 0; +error: + /*Upon error, free only if we allocated something */ + if (alloc) + iwlagn_hw_txq_ctx_free(priv); + return ret; +} + +static const struct iwl_trans_ops trans_ops = { + .rx_init = iwl_trans_rx_init, + .rx_free = iwl_trans_rx_free, + + .tx_init = iwl_trans_tx_init, +}; + +void iwl_trans_register(struct iwl_trans *trans) +{ + trans->ops = &trans_ops; +} diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h new file mode 100644 index 0000000..bec494c --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -0,0 +1,64 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ + +void iwl_trans_register(struct iwl_trans *trans); diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index e72d227..db5abaa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -220,24 +220,6 @@ int iwlagn_txq_attach_buf_to_tfd(struct iwl_priv *priv, return 0; } -/* - * Tell nic where to find circular buffer of Tx Frame Descriptors for - * given Tx queue, and enable the DMA channel used for that queue. - * - * supports up to 16 Tx queues in DRAM, mapped to up to 8 Tx DMA - * channels supported in hardware. - */ -static int iwlagn_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq) -{ - int txq_id = txq->q.id; - - /* Circular buffer (TFD queue in DRAM) physical base address */ - iwl_write_direct32(priv, FH_MEM_CBBC_QUEUE(txq_id), - txq->q.dma_addr >> 8); - - return 0; -} - /** * iwl_tx_queue_unmap - Unmap any remaining DMA mappings and free skb's */ @@ -392,11 +374,10 @@ int iwl_queue_space(const struct iwl_queue *q) return s; } - /** * iwl_queue_init - Initialize queue's high/low-water and read/write indexes */ -static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, +int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, int count, int slots_num, u32 id) { q->n_bd = count; @@ -426,124 +407,6 @@ static int iwl_queue_init(struct iwl_priv *priv, struct iwl_queue *q, return 0; } -/** - * iwl_tx_queue_alloc - Alloc driver data and TFD CB for one Tx/cmd queue - */ -static int iwl_tx_queue_alloc(struct iwl_priv *priv, - struct iwl_tx_queue *txq, u32 id) -{ - struct device *dev = priv->bus.dev; - size_t tfd_sz = priv->hw_params.tfd_size * TFD_QUEUE_SIZE_MAX; - - /* Driver private data, only for Tx (not command) queues, - * not shared with device. */ - if (id != priv->cmd_queue) { - txq->txb = kzalloc(sizeof(txq->txb[0]) * - TFD_QUEUE_SIZE_MAX, GFP_KERNEL); - if (!txq->txb) { - IWL_ERR(priv, "kmalloc for auxiliary BD " - "structures failed\n"); - goto error; - } - } else { - txq->txb = NULL; - } - - /* Circular buffer of transmit frame descriptors (TFDs), - * shared with device */ - txq->tfds = dma_alloc_coherent(dev, tfd_sz, &txq->q.dma_addr, - GFP_KERNEL); - if (!txq->tfds) { - IWL_ERR(priv, "dma_alloc_coherent(%zd) failed\n", tfd_sz); - goto error; - } - txq->q.id = id; - - return 0; - - error: - kfree(txq->txb); - txq->txb = NULL; - - return -ENOMEM; -} - -/** - * iwl_tx_queue_init - Allocate and initialize one tx/cmd queue - */ -int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, - int slots_num, u32 txq_id) -{ - int i, len; - int ret; - - txq->meta = kzalloc(sizeof(struct iwl_cmd_meta) * slots_num, - GFP_KERNEL); - txq->cmd = kzalloc(sizeof(struct iwl_device_cmd *) * slots_num, - GFP_KERNEL); - - if (!txq->meta || !txq->cmd) - goto out_free_arrays; - - len = sizeof(struct iwl_device_cmd); - for (i = 0; i < slots_num; i++) { - txq->cmd[i] = kmalloc(len, GFP_KERNEL); - if (!txq->cmd[i]) - goto err; - } - - /* Alloc driver data array and TFD circular buffer */ - ret = iwl_tx_queue_alloc(priv, txq, txq_id); - if (ret) - goto err; - - txq->need_update = 0; - - /* - * For the default queues 0-3, set up the swq_id - * already -- all others need to get one later - * (if they need one at all). - */ - if (txq_id < 4) - iwl_set_swq_id(txq, txq_id, txq_id); - - /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise - * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */ - BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); - - /* Initialize queue's high/low-water marks, and head/tail indexes */ - ret = iwl_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); - if (ret) - return ret; - - /* Tell device where to find queue */ - iwlagn_tx_queue_init(priv, txq); - - return 0; -err: - for (i = 0; i < slots_num; i++) - kfree(txq->cmd[i]); -out_free_arrays: - kfree(txq->meta); - kfree(txq->cmd); - - return -ENOMEM; -} - -void iwl_tx_queue_reset(struct iwl_priv *priv, struct iwl_tx_queue *txq, - int slots_num, u32 txq_id) -{ - memset(txq->meta, 0, sizeof(struct iwl_cmd_meta) * slots_num); - - txq->need_update = 0; - - /* Initialize queue's high/low-water marks, and head/tail indexes */ - iwl_queue_init(priv, &txq->q, TFD_QUEUE_SIZE_MAX, slots_num, txq_id); - - /* Tell device where to find queue */ - iwlagn_tx_queue_init(priv, txq); -} - /*************** HOST COMMAND QUEUE FUNCTIONS *****/ /** diff --git a/drivers/net/wireless/mwifiex/sdio.h b/drivers/net/wireless/mwifiex/sdio.h index c925376..524f78f 100644 --- a/drivers/net/wireless/mwifiex/sdio.h +++ b/drivers/net/wireless/mwifiex/sdio.h @@ -54,10 +54,10 @@ #define SDIO_MP_AGGR_DEF_PKT_LIMIT 8 -#define SDIO_MP_TX_AGGR_DEF_BUF_SIZE (4096) /* 4K */ +#define SDIO_MP_TX_AGGR_DEF_BUF_SIZE (8192) /* 8K */ /* Multi port RX aggregation buffer size */ -#define SDIO_MP_RX_AGGR_DEF_BUF_SIZE (4096) /* 4K */ +#define SDIO_MP_RX_AGGR_DEF_BUF_SIZE (16384) /* 16K */ /* Misc. Config Register : Auto Re-enable interrupts */ #define AUTO_RE_ENABLE_INT BIT(4) diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 937f9e8..76bcc354 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1723,6 +1723,7 @@ static const struct ieee80211_ops rt2400pci_mac80211_ops = { .set_antenna = rt2x00mac_set_antenna, .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, + .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index d27d7b8..c288d95 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -2016,6 +2016,7 @@ static const struct ieee80211_ops rt2500pci_mac80211_ops = { .set_antenna = rt2x00mac_set_antenna, .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, + .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 15237c2..53c5f87 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1827,6 +1827,7 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = { .set_antenna = rt2x00mac_set_antenna, .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, + .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 9ccc537..ebc17ad 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -1031,6 +1031,7 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = { .flush = rt2x00mac_flush, .get_survey = rt2800_get_survey, .get_ringparam = rt2x00mac_get_ringparam, + .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2800_ops rt2800pci_rt2800_ops = { @@ -1160,6 +1161,7 @@ static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = { #endif #ifdef CONFIG_RT2800PCI_RT53XX { PCI_DEVICE(0x1814, 0x5390) }, + { PCI_DEVICE(0x1814, 0x539f) }, #endif { 0, } }; diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 6e92298..59e7779 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -757,6 +757,7 @@ static const struct ieee80211_ops rt2800usb_mac80211_ops = { .flush = rt2x00mac_flush, .get_survey = rt2800_get_survey, .get_ringparam = rt2x00mac_get_ringparam, + .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2800_ops rt2800usb_rt2800_ops = { @@ -1020,6 +1021,7 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x0df6, 0x0048) }, { USB_DEVICE(0x0df6, 0x0051) }, { USB_DEVICE(0x0df6, 0x005f) }, + { USB_DEVICE(0x0df6, 0x0060) }, /* SMC */ { USB_DEVICE(0x083a, 0x6618) }, { USB_DEVICE(0x083a, 0x7511) }, @@ -1076,6 +1078,7 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x148f, 0x3572) }, /* Sitecom */ { USB_DEVICE(0x0df6, 0x0041) }, + { USB_DEVICE(0x0df6, 0x0062) }, /* Toshiba */ { USB_DEVICE(0x0930, 0x0a07) }, /* Zinwell */ @@ -1174,8 +1177,6 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x0df6, 0x004a) }, { USB_DEVICE(0x0df6, 0x004d) }, { USB_DEVICE(0x0df6, 0x0053) }, - { USB_DEVICE(0x0df6, 0x0060) }, - { USB_DEVICE(0x0df6, 0x0062) }, /* SMC */ { USB_DEVICE(0x083a, 0xa512) }, { USB_DEVICE(0x083a, 0xc522) }, diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 4efaf886..f82bfeb 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -1277,6 +1277,7 @@ int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant); int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant); void rt2x00mac_get_ringparam(struct ieee80211_hw *hw, u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max); +bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw); /* * Driver allocation handlers. diff --git a/drivers/net/wireless/rt2x00/rt2x00crypto.c b/drivers/net/wireless/rt2x00/rt2x00crypto.c index 1bb9d46..1ca4c7f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00crypto.c +++ b/drivers/net/wireless/rt2x00/rt2x00crypto.c @@ -45,11 +45,11 @@ enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key) } } -void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry, +void rt2x00crypto_create_tx_descriptor(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb, struct txentry_desc *txdesc) { - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_key_conf *hw_key = tx_info->control.hw_key; if (!test_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags) || !hw_key) diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h index 322cc4f..15cdc7e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00lib.h +++ b/drivers/net/wireless/rt2x00/rt2x00lib.h @@ -336,7 +336,8 @@ static inline void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev, */ #ifdef CONFIG_RT2X00_LIB_CRYPTO enum cipher rt2x00crypto_key_to_cipher(struct ieee80211_key_conf *key); -void rt2x00crypto_create_tx_descriptor(struct queue_entry *entry, +void rt2x00crypto_create_tx_descriptor(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb, struct txentry_desc *txdesc); unsigned int rt2x00crypto_tx_overhead(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 93bec14..8efab39 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -818,3 +818,17 @@ void rt2x00mac_get_ringparam(struct ieee80211_hw *hw, *rx_max = rt2x00dev->rx->limit; } EXPORT_SYMBOL_GPL(rt2x00mac_get_ringparam); + +bool rt2x00mac_tx_frames_pending(struct ieee80211_hw *hw) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct data_queue *queue; + + tx_queue_for_each(rt2x00dev, queue) { + if (!rt2x00queue_empty(queue)) + return true; + } + + return false; +} +EXPORT_SYMBOL_GPL(rt2x00mac_tx_frames_pending); diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index c7fc9de..29edb9f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -200,11 +200,12 @@ void rt2x00queue_remove_l2pad(struct sk_buff *skb, unsigned int header_length) skb_pull(skb, l2pad); } -static void rt2x00queue_create_tx_descriptor_seq(struct queue_entry *entry, +static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb, struct txentry_desc *txdesc) { - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif); if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)) @@ -212,7 +213,7 @@ static void rt2x00queue_create_tx_descriptor_seq(struct queue_entry *entry, __set_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); - if (!test_bit(REQUIRE_SW_SEQNO, &entry->queue->rt2x00dev->cap_flags)) + if (!test_bit(REQUIRE_SW_SEQNO, &rt2x00dev->cap_flags)) return; /* @@ -237,12 +238,12 @@ static void rt2x00queue_create_tx_descriptor_seq(struct queue_entry *entry, } -static void rt2x00queue_create_tx_descriptor_plcp(struct queue_entry *entry, +static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb, struct txentry_desc *txdesc, const struct rt2x00_rate *hwrate) { - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0]; unsigned int data_length; unsigned int duration; @@ -259,8 +260,8 @@ static void rt2x00queue_create_tx_descriptor_plcp(struct queue_entry *entry, txdesc->u.plcp.ifs = IFS_SIFS; /* Data length + CRC + Crypto overhead (IV/EIV/ICV/MIC) */ - data_length = entry->skb->len + 4; - data_length += rt2x00crypto_tx_overhead(rt2x00dev, entry->skb); + data_length = skb->len + 4; + data_length += rt2x00crypto_tx_overhead(rt2x00dev, skb); /* * PLCP setup @@ -301,13 +302,14 @@ static void rt2x00queue_create_tx_descriptor_plcp(struct queue_entry *entry, } } -static void rt2x00queue_create_tx_descriptor_ht(struct queue_entry *entry, +static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb, struct txentry_desc *txdesc, const struct rt2x00_rate *hwrate) { - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0]; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; if (tx_info->control.sta) txdesc->u.ht.mpdu_density = @@ -380,12 +382,12 @@ static void rt2x00queue_create_tx_descriptor_ht(struct queue_entry *entry, txdesc->u.ht.txop = TXOP_HTTXOP; } -static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, +static void rt2x00queue_create_tx_descriptor(struct rt2x00_dev *rt2x00dev, + struct sk_buff *skb, struct txentry_desc *txdesc) { - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0]; struct ieee80211_rate *rate; const struct rt2x00_rate *hwrate = NULL; @@ -395,8 +397,8 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, /* * Header and frame information. */ - txdesc->length = entry->skb->len; - txdesc->header_length = ieee80211_get_hdrlen_from_skb(entry->skb); + txdesc->length = skb->len; + txdesc->header_length = ieee80211_get_hdrlen_from_skb(skb); /* * Check whether this frame is to be acked. @@ -471,13 +473,15 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, /* * Apply TX descriptor handling by components */ - rt2x00crypto_create_tx_descriptor(entry, txdesc); - rt2x00queue_create_tx_descriptor_seq(entry, txdesc); + rt2x00crypto_create_tx_descriptor(rt2x00dev, skb, txdesc); + rt2x00queue_create_tx_descriptor_seq(rt2x00dev, skb, txdesc); if (test_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags)) - rt2x00queue_create_tx_descriptor_ht(entry, txdesc, hwrate); + rt2x00queue_create_tx_descriptor_ht(rt2x00dev, skb, txdesc, + hwrate); else - rt2x00queue_create_tx_descriptor_plcp(entry, txdesc, hwrate); + rt2x00queue_create_tx_descriptor_plcp(rt2x00dev, skb, txdesc, + hwrate); } static int rt2x00queue_write_tx_data(struct queue_entry *entry, @@ -555,33 +559,18 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, bool local) { struct ieee80211_tx_info *tx_info; - struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX); + struct queue_entry *entry; struct txentry_desc txdesc; struct skb_frame_desc *skbdesc; u8 rate_idx, rate_flags; - - if (unlikely(rt2x00queue_full(queue))) { - ERROR(queue->rt2x00dev, - "Dropping frame due to full tx queue %d.\n", queue->qid); - return -ENOBUFS; - } - - if (unlikely(test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, - &entry->flags))) { - ERROR(queue->rt2x00dev, - "Arrived at non-free entry in the non-full queue %d.\n" - "Please file bug report to %s.\n", - queue->qid, DRV_PROJECT); - return -EINVAL; - } + int ret = 0; /* * Copy all TX descriptor information into txdesc, * after that we are free to use the skb->cb array * for our information. */ - entry->skb = skb; - rt2x00queue_create_tx_descriptor(entry, &txdesc); + rt2x00queue_create_tx_descriptor(queue->rt2x00dev, skb, &txdesc); /* * All information is retrieved from the skb->cb array, @@ -593,7 +582,6 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, rate_flags = tx_info->control.rates[0].flags; skbdesc = get_skb_frame_desc(skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->entry = entry; skbdesc->tx_rate_idx = rate_idx; skbdesc->tx_rate_flags = rate_flags; @@ -622,9 +610,33 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, * for PCI devices. */ if (test_bit(REQUIRE_L2PAD, &queue->rt2x00dev->cap_flags)) - rt2x00queue_insert_l2pad(entry->skb, txdesc.header_length); + rt2x00queue_insert_l2pad(skb, txdesc.header_length); else if (test_bit(REQUIRE_DMA, &queue->rt2x00dev->cap_flags)) - rt2x00queue_align_frame(entry->skb); + rt2x00queue_align_frame(skb); + + spin_lock(&queue->tx_lock); + + if (unlikely(rt2x00queue_full(queue))) { + ERROR(queue->rt2x00dev, + "Dropping frame due to full tx queue %d.\n", queue->qid); + ret = -ENOBUFS; + goto out; + } + + entry = rt2x00queue_get_entry(queue, Q_INDEX); + + if (unlikely(test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, + &entry->flags))) { + ERROR(queue->rt2x00dev, + "Arrived at non-free entry in the non-full queue %d.\n" + "Please file bug report to %s.\n", + queue->qid, DRV_PROJECT); + ret = -EINVAL; + goto out; + } + + skbdesc->entry = entry; + entry->skb = skb; /* * It could be possible that the queue was corrupted and this @@ -634,7 +646,8 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, if (unlikely(rt2x00queue_write_tx_data(entry, &txdesc))) { clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); entry->skb = NULL; - return -EIO; + ret = -EIO; + goto out; } set_bit(ENTRY_DATA_PENDING, &entry->flags); @@ -643,7 +656,9 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, rt2x00queue_write_tx_descriptor(entry, &txdesc); rt2x00queue_kick_tx_queue(queue, &txdesc); - return 0; +out: + spin_unlock(&queue->tx_lock); + return ret; } int rt2x00queue_clear_beacon(struct rt2x00_dev *rt2x00dev, @@ -697,7 +712,7 @@ int rt2x00queue_update_beacon_locked(struct rt2x00_dev *rt2x00dev, * after that we are free to use the skb->cb array * for our information. */ - rt2x00queue_create_tx_descriptor(intf->beacon, &txdesc); + rt2x00queue_create_tx_descriptor(rt2x00dev, intf->beacon->skb, &txdesc); /* * Fill in skb descriptor @@ -1184,6 +1199,7 @@ static void rt2x00queue_init(struct rt2x00_dev *rt2x00dev, struct data_queue *queue, enum data_queue_qid qid) { mutex_init(&queue->status_lock); + spin_lock_init(&queue->tx_lock); spin_lock_init(&queue->index_lock); queue->rt2x00dev = rt2x00dev; diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index 5900474..f2100f4 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -432,6 +432,7 @@ enum data_queue_flags { * @flags: Entry flags, see &enum queue_entry_flags. * @status_lock: The mutex for protecting the start/stop/flush * handling on this queue. + * @tx_lock: Spinlock to serialize tx operations on this queue. * @index_lock: Spinlock to protect index handling. Whenever @index, @index_done or * @index_crypt needs to be changed this lock should be grabbed to prevent * index corruption due to concurrency. @@ -458,6 +459,7 @@ struct data_queue { unsigned long flags; struct mutex status_lock; + spinlock_t tx_lock; spinlock_t index_lock; unsigned int count; diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 9d35ec1..53110b8 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2982,6 +2982,7 @@ static const struct ieee80211_ops rt61pci_mac80211_ops = { .set_antenna = rt2x00mac_set_antenna, .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, + .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2x00lib_ops rt61pci_rt2x00_ops = { diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index ad20953..6a93939 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2314,6 +2314,7 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = { .set_antenna = rt2x00mac_set_antenna, .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, + .tx_frames_pending = rt2x00mac_tx_frames_pending, }; static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 532c7d3..5efd578 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -788,15 +788,11 @@ static irqreturn_t _rtl_pci_interrupt(int irq, void *dev_id) { struct ieee80211_hw *hw = dev_id; struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); unsigned long flags; u32 inta = 0; u32 intb = 0; - if (rtlpci->irq_enabled == 0) - return IRQ_HANDLED; - spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); /*read ISR: 4/8bytes */ diff --git a/drivers/net/wireless/rtlwifi/pci.h b/drivers/net/wireless/rtlwifi/pci.h index a50e551..c53c620 100644 --- a/drivers/net/wireless/rtlwifi/pci.h +++ b/drivers/net/wireless/rtlwifi/pci.h @@ -158,7 +158,6 @@ struct rtl_pci { bool first_init; bool being_init_adapter; bool init_ready; - bool irq_enabled; /*Tx */ struct rtl8192_tx_ring tx_ring[RTL_PCI_MAX_TX_QUEUE_COUNT]; diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c index bc6ae9d..9e2a9e3 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c @@ -1183,7 +1183,6 @@ void rtl92ce_enable_interrupt(struct ieee80211_hw *hw) rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & 0xFFFFFFFF); rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & 0xFFFFFFFF); - rtlpci->irq_enabled = true; } void rtl92ce_disable_interrupt(struct ieee80211_hw *hw) @@ -1193,7 +1192,6 @@ void rtl92ce_disable_interrupt(struct ieee80211_hw *hw) rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED); rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED); - rtlpci->irq_enabled = false; synchronize_irq(rtlpci->pdev->irq); } diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c b/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c index 4e057df..a90c09b 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/mac.c @@ -380,13 +380,11 @@ void rtl92c_enable_interrupt(struct ieee80211_hw *hw) 0xFFFFFFFF); rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & 0xFFFFFFFF); - rtlpci->irq_enabled = true; } else { rtl_write_dword(rtlpriv, REG_HIMR, rtlusb->irq_mask[0] & 0xFFFFFFFF); rtl_write_dword(rtlpriv, REG_HIMRE, rtlusb->irq_mask[1] & 0xFFFFFFFF); - rtlusb->irq_enabled = true; } } @@ -398,16 +396,9 @@ void rtl92c_init_interrupt(struct ieee80211_hw *hw) void rtl92c_disable_interrupt(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); - struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); - struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw)); rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED); rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED); - if (IS_HARDWARE_TYPE_8192CE(rtlhal)) - rtlpci->irq_enabled = false; - else if (IS_HARDWARE_TYPE_8192CU(rtlhal)) - rtlusb->irq_enabled = false; } void rtl92c_set_qos(struct ieee80211_hw *hw, int aci) diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/hw.c b/drivers/net/wireless/rtlwifi/rtl8192de/hw.c index e833bbf..5a65bea 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/hw.c @@ -449,7 +449,7 @@ void rtl92de_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) case HW_VAR_CORRECT_TSF: { u8 btype_ibss = ((u8 *) (val))[0]; - if (btype_ibss == true) + if (btype_ibss) _rtl92de_stop_tx_beacon(hw); _rtl92de_set_bcn_ctrl_reg(hw, 0, BIT(3)); rtl_write_dword(rtlpriv, REG_TSFTR, @@ -457,7 +457,7 @@ void rtl92de_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val) rtl_write_dword(rtlpriv, REG_TSFTR + 4, (u32) ((mac->tsf >> 32) & 0xffffffff)); _rtl92de_set_bcn_ctrl_reg(hw, BIT(3), 0); - if (btype_ibss == true) + if (btype_ibss) _rtl92de_resume_tx_beacon(hw); break; @@ -932,8 +932,8 @@ int rtl92de_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, ("Failed to download FW. Init HW " "without FW..\n")); - err = 1; rtlhal->fw_ready = false; + return 1; } else { rtlhal->fw_ready = true; } @@ -1044,6 +1044,11 @@ int rtl92de_hw_init(struct ieee80211_hw *hw) if (((tmp_rega & BIT(11)) == BIT(11))) break; } + /* check that loop was successful. If not, exit now */ + if (i == 10000) { + rtlpci->init_ready = false; + return 1; + } } } rtlpci->init_ready = true; @@ -1142,7 +1147,7 @@ void rtl92de_set_check_bssid(struct ieee80211_hw *hw, bool check_bssid) if (rtlpriv->psc.rfpwr_state != ERFON) return; - if (check_bssid == true) { + if (check_bssid) { reg_rcr |= (RCR_CBSSID_DATA | RCR_CBSSID_BCN); rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, (u8 *)(®_rcr)); _rtl92de_set_bcn_ctrl_reg(hw, 0, BIT(4)); @@ -1221,7 +1226,6 @@ void rtl92de_enable_interrupt(struct ieee80211_hw *hw) rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & 0xFFFFFFFF); rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & 0xFFFFFFFF); - rtlpci->irq_enabled = true; } void rtl92de_disable_interrupt(struct ieee80211_hw *hw) @@ -1231,7 +1235,6 @@ void rtl92de_disable_interrupt(struct ieee80211_hw *hw) rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED); rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED); - rtlpci->irq_enabled = false; synchronize_irq(rtlpci->pdev->irq); } @@ -1787,7 +1790,7 @@ static void _rtl92de_read_adapter_info(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("Autoload OK\n")); rtlefuse->autoload_failflag = false; } - if (rtlefuse->autoload_failflag == true) { + if (rtlefuse->autoload_failflag) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, ("RTL819X Not boot from eeprom, check it !!")); return; @@ -2149,7 +2152,7 @@ bool rtl92de_gpio_radio_on_off_checking(struct ieee80211_hw *hw, u8 *valid) REG_MAC_PINMUX_CFG) & ~(BIT(3))); u1tmp = rtl_read_byte(rtlpriv, REG_GPIO_IO_SEL); e_rfpowerstate_toset = (u1tmp & BIT(3)) ? ERFON : ERFOFF; - if ((ppsc->hwradiooff == true) && (e_rfpowerstate_toset == ERFON)) { + if (ppsc->hwradiooff && (e_rfpowerstate_toset == ERFON)) { RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, ("GPIOChangeRF - HW Radio ON, RF ON\n")); e_rfpowerstate_toset = ERFON; diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/led.c b/drivers/net/wireless/rtlwifi/rtl8192de/led.c index 719972c..f1552f4 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/led.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/led.c @@ -93,7 +93,7 @@ void rtl92de_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) break; case LED_PIN_LED0: ledcfg &= 0xf0; - if (pcipriv->ledctl.led_opendrain == true) + if (pcipriv->ledctl.led_opendrain) rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(1) | BIT(5) | BIT(6))); else diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c index 97fb6ca..3ac7af1 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c @@ -932,7 +932,7 @@ bool rtl92d_phy_config_rf_with_headerfile(struct ieee80211_hw *hw, enum rf_content content, enum radio_path rfpath) { - int i, j; + int i; u32 *radioa_array_table; u32 *radiob_array_table; u16 radioa_arraylen, radiob_arraylen; @@ -974,13 +974,10 @@ bool rtl92d_phy_config_rf_with_headerfile(struct ieee80211_hw *hw, mdelay(50); } else if (radioa_array_table[i] == 0xfd) { /* delay_ms(5); */ - for (j = 0; j < 100; j++) - udelay(MAX_STALL_TIME); + mdelay(5); } else if (radioa_array_table[i] == 0xfc) { /* delay_ms(1); */ - for (j = 0; j < 20; j++) - udelay(MAX_STALL_TIME); - + mdelay(1); } else if (radioa_array_table[i] == 0xfb) { udelay(50); } else if (radioa_array_table[i] == 0xfa) { @@ -1004,12 +1001,10 @@ bool rtl92d_phy_config_rf_with_headerfile(struct ieee80211_hw *hw, mdelay(50); } else if (radiob_array_table[i] == 0xfd) { /* delay_ms(5); */ - for (j = 0; j < 100; j++) - udelay(MAX_STALL_TIME); + mdelay(5); } else if (radiob_array_table[i] == 0xfc) { /* delay_ms(1); */ - for (j = 0; j < 20; j++) - udelay(MAX_STALL_TIME); + mdelay(1); } else if (radiob_array_table[i] == 0xfb) { udelay(50); } else if (radiob_array_table[i] == 0xfa) { @@ -1276,7 +1271,7 @@ static void rtl92d_phy_switch_wirelessband(struct ieee80211_hw *hw, u8 band) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - u8 i, value8; + u8 value8; RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("==>\n")); rtlhal->bandset = band; @@ -1321,8 +1316,7 @@ static void rtl92d_phy_switch_wirelessband(struct ieee80211_hw *hw, u8 band) rtl_write_byte(rtlpriv, (rtlhal->interfaceindex == 0 ? REG_MAC0 : REG_MAC1), value8); } - for (i = 0; i < 20; i++) - udelay(MAX_STALL_TIME); + mdelay(1); RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("<==Switch Band OK.\n")); } @@ -1684,7 +1678,7 @@ static u8 _rtl92d_phy_patha_iqk(struct ieee80211_hw *hw, bool configpathb) RTPRINT(rtlpriv, FINIT, INIT_IQK, ("Delay %d ms for One shot, path A LOK & IQK.\n", IQK_DELAY_TIME)); - udelay(IQK_DELAY_TIME * 1000); + mdelay(IQK_DELAY_TIME); /* Check failed */ regeac = rtl_get_bbreg(hw, 0xeac, BMASKDWORD); RTPRINT(rtlpriv, FINIT, INIT_IQK, ("0xeac = 0x%x\n", regeac)); @@ -1755,7 +1749,7 @@ static u8 _rtl92d_phy_patha_iqk_5g_normal(struct ieee80211_hw *hw, RTPRINT(rtlpriv, FINIT, INIT_IQK, ("Delay %d ms for One shot, path A LOK & IQK.\n", IQK_DELAY_TIME)); - udelay(IQK_DELAY_TIME * 1000 * 10); + mdelay(IQK_DELAY_TIME * 10); /* Check failed */ regeac = rtl_get_bbreg(hw, 0xeac, BMASKDWORD); RTPRINT(rtlpriv, FINIT, INIT_IQK, ("0xeac = 0x%x\n", regeac)); @@ -1808,7 +1802,7 @@ static u8 _rtl92d_phy_pathb_iqk(struct ieee80211_hw *hw) RTPRINT(rtlpriv, FINIT, INIT_IQK, ("Delay %d ms for One shot, path B LOK & IQK.\n", IQK_DELAY_TIME)); - udelay(IQK_DELAY_TIME * 1000); + mdelay(IQK_DELAY_TIME); /* Check failed */ regeac = rtl_get_bbreg(hw, 0xeac, BMASKDWORD); RTPRINT(rtlpriv, FINIT, INIT_IQK, ("0xeac = 0x%x\n", regeac)); @@ -1875,7 +1869,7 @@ static u8 _rtl92d_phy_pathb_iqk_5g_normal(struct ieee80211_hw *hw) /* delay x ms */ RTPRINT(rtlpriv, FINIT, INIT_IQK, ("Delay %d ms for One shot, path B LOK & IQK.\n", 10)); - udelay(IQK_DELAY_TIME * 1000 * 10); + mdelay(IQK_DELAY_TIME * 10); /* Check failed */ regeac = rtl_get_bbreg(hw, 0xeac, BMASKDWORD); @@ -2206,7 +2200,7 @@ static void _rtl92d_phy_iq_calibrate_5g_normal(struct ieee80211_hw *hw, * PHY_REG.txt , and radio_a, radio_b.txt */ RTPRINT(rtlpriv, FINIT, INIT_IQK, ("IQK for 5G NORMAL:Start!!!\n")); - udelay(IQK_DELAY_TIME * 1000 * 20); + mdelay(IQK_DELAY_TIME * 20); if (t == 0) { bbvalue = rtl_get_bbreg(hw, RFPGA0_RFMOD, BMASKDWORD); RTPRINT(rtlpriv, FINIT, INIT_IQK, ("==>0x%08x\n", bbvalue)); diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/rf.c b/drivers/net/wireless/rtlwifi/rtl8192de/rf.c index c326372..db27ceb 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/rf.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/rf.c @@ -87,7 +87,7 @@ void rtl92d_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw, if (rtlefuse->eeprom_regulatory != 0) turbo_scanoff = true; - if (mac->act_scanning == true) { + if (mac->act_scanning) { tx_agc[RF90_PATH_A] = 0x3f3f3f3f; tx_agc[RF90_PATH_B] = 0x3f3f3f3f; if (turbo_scanoff) { @@ -416,9 +416,9 @@ bool rtl92d_phy_enable_anotherphy(struct ieee80211_hw *hw, bool bmac0) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = &(rtlpriv->rtlhal); u8 u1btmp; - u8 direct = bmac0 == true ? BIT(3) | BIT(2) : BIT(3); - u8 mac_reg = bmac0 == true ? REG_MAC1 : REG_MAC0; - u8 mac_on_bit = bmac0 == true ? MAC1_ON : MAC0_ON; + u8 direct = bmac0 ? BIT(3) | BIT(2) : BIT(3); + u8 mac_reg = bmac0 ? REG_MAC1 : REG_MAC0; + u8 mac_on_bit = bmac0 ? MAC1_ON : MAC0_ON; bool bresult = true; /* true: need to enable BB/RF power */ rtlhal->during_mac0init_radiob = false; @@ -447,9 +447,9 @@ void rtl92d_phy_powerdown_anotherphy(struct ieee80211_hw *hw, bool bmac0) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = &(rtlpriv->rtlhal); u8 u1btmp; - u8 direct = bmac0 == true ? BIT(3) | BIT(2) : BIT(3); - u8 mac_reg = bmac0 == true ? REG_MAC1 : REG_MAC0; - u8 mac_on_bit = bmac0 == true ? MAC1_ON : MAC0_ON; + u8 direct = bmac0 ? BIT(3) | BIT(2) : BIT(3); + u8 mac_reg = bmac0 ? REG_MAC1 : REG_MAC0; + u8 mac_on_bit = bmac0 ? MAC1_ON : MAC0_ON; rtlhal->during_mac0init_radiob = false; rtlhal->during_mac1init_radioa = false; @@ -573,7 +573,7 @@ bool rtl92d_phy_rf6052_config(struct ieee80211_hw *hw) udelay(1); switch (rfpath) { case RF90_PATH_A: - if (true_bpath == true) + if (true_bpath) rtstatus = rtl92d_phy_config_rf_with_headerfile( hw, radiob_txt, (enum radio_path)rfpath); diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c index bf1462f..dc86fcb 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c @@ -614,7 +614,7 @@ bool rtl92de_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats, (u8) GET_RX_DESC_RXMCS(pdesc)); rx_status->mactime = GET_RX_DESC_TSFL(pdesc); - if (phystatus == true) { + if (phystatus) { p_drvinfo = (struct rx_fwinfo_92d *)(skb->data + stats->rx_bufshift); _rtl92de_translate_rx_signal_stuff(hw, @@ -876,7 +876,7 @@ void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, void rtl92de_set_desc(u8 *pdesc, bool istx, u8 desc_name, u8 *val) { - if (istx == true) { + if (istx) { switch (desc_name) { case HW_DESC_OWN: wmb(); @@ -917,7 +917,7 @@ u32 rtl92de_get_desc(u8 *p_desc, bool istx, u8 desc_name) { u32 ret = 0; - if (istx == true) { + if (istx) { switch (desc_name) { case HW_DESC_OWN: ret = GET_TX_DESC_OWN(p_desc); diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c index 13da7b3..b1d0213 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c @@ -1214,8 +1214,6 @@ void rtl92se_enable_interrupt(struct ieee80211_hw *hw) rtl_write_dword(rtlpriv, INTA_MASK, rtlpci->irq_mask[0]); /* Support Bit 32-37(Assign as Bit 0-5) interrupt setting now */ rtl_write_dword(rtlpriv, INTA_MASK + 4, rtlpci->irq_mask[1] & 0x3F); - - rtlpci->irq_enabled = true; } void rtl92se_disable_interrupt(struct ieee80211_hw *hw) @@ -1226,7 +1224,6 @@ void rtl92se_disable_interrupt(struct ieee80211_hw *hw) rtl_write_dword(rtlpriv, INTA_MASK, 0); rtl_write_dword(rtlpriv, INTA_MASK + 4, 0); - rtlpci->irq_enabled = false; synchronize_irq(rtlpci->pdev->irq); } diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig index 35ce7b0..07bcb15 100644 --- a/drivers/net/wireless/wl12xx/Kconfig +++ b/drivers/net/wireless/wl12xx/Kconfig @@ -11,7 +11,6 @@ config WL12XX depends on WL12XX_MENU && GENERIC_HARDIRQS depends on INET select FW_LOADER - select CRC7 ---help--- This module adds support for wireless adapters based on TI wl1271 and TI wl1273 chipsets. This module does *not* include support for wl1251. @@ -33,6 +32,7 @@ config WL12XX_HT config WL12XX_SPI tristate "TI wl12xx SPI support" depends on WL12XX && SPI_MASTER + select CRC7 ---help--- This module adds support for the SPI interface of adapters using TI wl12xx chipsets. Select this if your platform is using diff --git a/drivers/net/wireless/wl12xx/acx.c b/drivers/net/wireless/wl12xx/acx.c index c6ee530..87caa94 100644 --- a/drivers/net/wireless/wl12xx/acx.c +++ b/drivers/net/wireless/wl12xx/acx.c @@ -25,7 +25,6 @@ #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/crc7.h> #include <linux/spi/spi.h> #include <linux/slab.h> @@ -1068,6 +1067,7 @@ int wl1271_acx_sta_mem_cfg(struct wl1271 *wl) mem_conf->tx_free_req = mem->min_req_tx_blocks; mem_conf->rx_free_req = mem->min_req_rx_blocks; mem_conf->tx_min = mem->tx_min; + mem_conf->fwlog_blocks = wl->conf.fwlog.mem_blocks; ret = wl1271_cmd_configure(wl, ACX_MEM_CFG, mem_conf, sizeof(*mem_conf)); @@ -1577,6 +1577,53 @@ out: return ret; } +int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, bool enable) +{ + struct wl1271_acx_ps_rx_streaming *rx_streaming; + u32 conf_queues, enable_queues; + int i, ret = 0; + + wl1271_debug(DEBUG_ACX, "acx ps rx streaming"); + + rx_streaming = kzalloc(sizeof(*rx_streaming), GFP_KERNEL); + if (!rx_streaming) { + ret = -ENOMEM; + goto out; + } + + conf_queues = wl->conf.rx_streaming.queues; + if (enable) + enable_queues = conf_queues; + else + enable_queues = 0; + + for (i = 0; i < 8; i++) { + /* + * Skip non-changed queues, to avoid redundant acxs. + * this check assumes conf.rx_streaming.queues can't + * be changed while rx_streaming is enabled. + */ + if (!(conf_queues & BIT(i))) + continue; + + rx_streaming->tid = i; + rx_streaming->enable = enable_queues & BIT(i); + rx_streaming->period = wl->conf.rx_streaming.interval; + rx_streaming->timeout = wl->conf.rx_streaming.interval; + + ret = wl1271_cmd_configure(wl, ACX_PS_RX_STREAMING, + rx_streaming, + sizeof(*rx_streaming)); + if (ret < 0) { + wl1271_warning("acx ps rx streaming failed: %d", ret); + goto out; + } + } +out: + kfree(rx_streaming); + return ret; +} + int wl1271_acx_max_tx_retry(struct wl1271 *wl) { struct wl1271_acx_max_tx_retry *acx = NULL; diff --git a/drivers/net/wireless/wl12xx/acx.h b/drivers/net/wireless/wl12xx/acx.h index 9a895e3..d303265 100644 --- a/drivers/net/wireless/wl12xx/acx.h +++ b/drivers/net/wireless/wl12xx/acx.h @@ -828,6 +828,8 @@ struct wl1271_acx_sta_config_memory { u8 tx_free_req; u8 rx_free_req; u8 tx_min; + u8 fwlog_blocks; + u8 padding[3]; } __packed; struct wl1271_acx_mem_map { @@ -1153,6 +1155,19 @@ struct wl1271_acx_fw_tsf_information { u8 padding[3]; } __packed; +struct wl1271_acx_ps_rx_streaming { + struct acx_header header; + + u8 tid; + u8 enable; + + /* interval between triggers (10-100 msec) */ + u8 period; + + /* timeout before first trigger (0-200 msec) */ + u8 timeout; +} __packed; + struct wl1271_acx_max_tx_retry { struct acx_header header; @@ -1384,6 +1399,7 @@ int wl1271_acx_set_ba_session(struct wl1271 *wl, int wl1271_acx_set_ba_receiver_session(struct wl1271 *wl, u8 tid_index, u16 ssn, bool enable); int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime); +int wl1271_acx_ps_rx_streaming(struct wl1271 *wl, bool enable); int wl1271_acx_max_tx_retry(struct wl1271 *wl); int wl1271_acx_config_ps(struct wl1271 *wl); int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr); diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c index 7ccec07..101f7e0 100644 --- a/drivers/net/wireless/wl12xx/boot.c +++ b/drivers/net/wireless/wl12xx/boot.c @@ -102,6 +102,33 @@ static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag) wl1271_write32(wl, ACX_REG_ECPU_CONTROL, cpu_ctrl); } +static unsigned int wl12xx_get_fw_ver_quirks(struct wl1271 *wl) +{ + unsigned int quirks = 0; + unsigned int *fw_ver = wl->chip.fw_ver; + + /* Only for wl127x */ + if ((fw_ver[FW_VER_CHIP] == FW_VER_CHIP_WL127X) && + /* Check STA version */ + (((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) && + (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_STA_MIN)) || + /* Check AP version */ + ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) && + (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_AP_MIN)))) + quirks |= WL12XX_QUIRK_USE_2_SPARE_BLOCKS; + + /* Only new station firmwares support routing fw logs to the host */ + if ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) && + (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_FWLOG_STA_MIN)) + quirks |= WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED; + + /* This feature is not yet supported for AP mode */ + if (fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) + quirks |= WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED; + + return quirks; +} + static void wl1271_parse_fw_ver(struct wl1271 *wl) { int ret; @@ -116,6 +143,9 @@ static void wl1271_parse_fw_ver(struct wl1271 *wl) memset(wl->chip.fw_ver, 0, sizeof(wl->chip.fw_ver)); return; } + + /* Check if any quirks are needed with older fw versions */ + wl->quirks |= wl12xx_get_fw_ver_quirks(wl); } static void wl1271_boot_fw_version(struct wl1271 *wl) @@ -749,6 +779,9 @@ int wl1271_load_firmware(struct wl1271 *wl) clk |= (wl->ref_clock << 1) << 4; } + if (wl->quirks & WL12XX_QUIRK_LPD_MODE) + clk |= SCRATCH_ENABLE_LPD; + wl1271_write32(wl, DRPW_SCRATCH_START, clk); wl1271_set_partition(wl, &part_table[PART_WORK]); diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c index 5d0ad2d..68972cb 100644 --- a/drivers/net/wireless/wl12xx/cmd.c +++ b/drivers/net/wireless/wl12xx/cmd.c @@ -23,7 +23,6 @@ #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/crc7.h> #include <linux/spi/spi.h> #include <linux/etherdevice.h> #include <linux/ieee80211.h> @@ -106,7 +105,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len, fail: WARN_ON(1); - ieee80211_queue_work(wl->hw, &wl->recovery_work); + wl12xx_queue_recovery_work(wl); return ret; } @@ -135,6 +134,11 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) /* Override the REF CLK from the NVS with the one from platform data */ gen_parms->general_params.ref_clock = wl->ref_clock; + /* LPD mode enable (bits 6-7) in WL1271 AP mode only */ + if (wl->quirks & WL12XX_QUIRK_LPD_MODE) + gen_parms->general_params.general_settings |= + GENERAL_SETTINGS_DRPW_LPD; + ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); if (ret < 0) { wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); @@ -352,7 +356,7 @@ static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask) ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask); if (ret != 0) { - ieee80211_queue_work(wl->hw, &wl->recovery_work); + wl12xx_queue_recovery_work(wl); return ret; } @@ -1223,3 +1227,87 @@ out_free: out: return ret; } + +int wl12xx_cmd_config_fwlog(struct wl1271 *wl) +{ + struct wl12xx_cmd_config_fwlog *cmd; + int ret = 0; + + wl1271_debug(DEBUG_CMD, "cmd config firmware logger"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + cmd->logger_mode = wl->conf.fwlog.mode; + cmd->log_severity = wl->conf.fwlog.severity; + cmd->timestamp = wl->conf.fwlog.timestamp; + cmd->output = wl->conf.fwlog.output; + cmd->threshold = wl->conf.fwlog.threshold; + + ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("failed to send config firmware logger command"); + goto out_free; + } + +out_free: + kfree(cmd); + +out: + return ret; +} + +int wl12xx_cmd_start_fwlog(struct wl1271 *wl) +{ + struct wl12xx_cmd_start_fwlog *cmd; + int ret = 0; + + wl1271_debug(DEBUG_CMD, "cmd start firmware logger"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("failed to send start firmware logger command"); + goto out_free; + } + +out_free: + kfree(cmd); + +out: + return ret; +} + +int wl12xx_cmd_stop_fwlog(struct wl1271 *wl) +{ + struct wl12xx_cmd_stop_fwlog *cmd; + int ret = 0; + + wl1271_debug(DEBUG_CMD, "cmd stop firmware logger"); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + ret = -ENOMEM; + goto out; + } + + ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0); + if (ret < 0) { + wl1271_error("failed to send stop firmware logger command"); + goto out_free; + } + +out_free: + kfree(cmd); + +out: + return ret; +} diff --git a/drivers/net/wireless/wl12xx/cmd.h b/drivers/net/wireless/wl12xx/cmd.h index 5cac95d..1f70372 100644 --- a/drivers/net/wireless/wl12xx/cmd.h +++ b/drivers/net/wireless/wl12xx/cmd.h @@ -70,6 +70,9 @@ int wl1271_cmd_start_bss(struct wl1271 *wl); int wl1271_cmd_stop_bss(struct wl1271 *wl); int wl1271_cmd_add_sta(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid); int wl1271_cmd_remove_sta(struct wl1271 *wl, u8 hlid); +int wl12xx_cmd_config_fwlog(struct wl1271 *wl); +int wl12xx_cmd_start_fwlog(struct wl1271 *wl); +int wl12xx_cmd_stop_fwlog(struct wl1271 *wl); enum wl1271_commands { CMD_INTERROGATE = 1, /*use this to read information elements*/ @@ -107,6 +110,9 @@ enum wl1271_commands { CMD_START_PERIODIC_SCAN = 50, CMD_STOP_PERIODIC_SCAN = 51, CMD_SET_STA_STATE = 52, + CMD_CONFIG_FWLOGGER = 53, + CMD_START_FWLOGGER = 54, + CMD_STOP_FWLOGGER = 55, /* AP mode commands */ CMD_BSS_START = 60, @@ -575,4 +581,60 @@ struct wl1271_cmd_remove_sta { u8 padding1; } __packed; +/* + * Continuous mode - packets are transferred to the host periodically + * via the data path. + * On demand - Log messages are stored in a cyclic buffer in the + * firmware, and only transferred to the host when explicitly requested + */ +enum wl12xx_fwlogger_log_mode { + WL12XX_FWLOG_CONTINUOUS, + WL12XX_FWLOG_ON_DEMAND +}; + +/* Include/exclude timestamps from the log messages */ +enum wl12xx_fwlogger_timestamp { + WL12XX_FWLOG_TIMESTAMP_DISABLED, + WL12XX_FWLOG_TIMESTAMP_ENABLED +}; + +/* + * Logs can be routed to the debug pinouts (where available), to the host bus + * (SDIO/SPI), or dropped + */ +enum wl12xx_fwlogger_output { + WL12XX_FWLOG_OUTPUT_NONE, + WL12XX_FWLOG_OUTPUT_DBG_PINS, + WL12XX_FWLOG_OUTPUT_HOST, +}; + +struct wl12xx_cmd_config_fwlog { + struct wl1271_cmd_header header; + + /* See enum wl12xx_fwlogger_log_mode */ + u8 logger_mode; + + /* Minimum log level threshold */ + u8 log_severity; + + /* Include/exclude timestamps from the log messages */ + u8 timestamp; + + /* See enum wl1271_fwlogger_output */ + u8 output; + + /* Regulates the frequency of log messages */ + u8 threshold; + + u8 padding[3]; +} __packed; + +struct wl12xx_cmd_start_fwlog { + struct wl1271_cmd_header header; +} __packed; + +struct wl12xx_cmd_stop_fwlog { + struct wl1271_cmd_header header; +} __packed; + #endif /* __WL1271_CMD_H__ */ diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h index c83fefb..b5a7b30 100644 --- a/drivers/net/wireless/wl12xx/conf.h +++ b/drivers/net/wireless/wl12xx/conf.h @@ -1248,6 +1248,59 @@ struct conf_fm_coex { u8 swallow_clk_diff; }; +struct conf_rx_streaming_settings { + /* + * RX Streaming duration (in msec) from last tx/rx + * + * Range: u32 + */ + u32 duration; + + /* + * Bitmap of tids to be polled during RX streaming. + * (Note: it doesn't look like it really matters) + * + * Range: 0x1-0xff + */ + u8 queues; + + /* + * RX Streaming interval. + * (Note:this value is also used as the rx streaming timeout) + * Range: 0 (disabled), 10 - 100 + */ + u8 interval; + + /* + * enable rx streaming also when there is no coex activity + */ + u8 always; +}; + +struct conf_fwlog { + /* Continuous or on-demand */ + u8 mode; + + /* + * Number of memory blocks dedicated for the FW logger + * + * Range: 1-3, or 0 to disable the FW logger + */ + u8 mem_blocks; + + /* Minimum log level threshold */ + u8 severity; + + /* Include/exclude timestamps from the log messages */ + u8 timestamp; + + /* See enum wl1271_fwlogger_output */ + u8 output; + + /* Regulates the frequency of log messages */ + u8 threshold; +}; + struct conf_drv_settings { struct conf_sg_settings sg; struct conf_rx_settings rx; @@ -1263,6 +1316,8 @@ struct conf_drv_settings { struct conf_memory_settings mem_wl127x; struct conf_memory_settings mem_wl128x; struct conf_fm_coex fm_coex; + struct conf_rx_streaming_settings rx_streaming; + struct conf_fwlog fwlog; u8 hci_io_ds; }; diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index f1f8df9..da21270 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -71,6 +71,14 @@ static const struct file_operations name## _ops = { \ if (!entry || IS_ERR(entry)) \ goto err; \ +#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ + do { \ + entry = debugfs_create_file(#name, 0400, parent, \ + wl, &prefix## _## name## _ops); \ + if (!entry || IS_ERR(entry)) \ + goto err; \ + } while (0); + #define DEBUGFS_FWSTATS_FILE(sub, name, fmt) \ static ssize_t sub## _ ##name## _read(struct file *file, \ char __user *userbuf, \ @@ -298,7 +306,7 @@ static ssize_t start_recovery_write(struct file *file, struct wl1271 *wl = file->private_data; mutex_lock(&wl->mutex); - ieee80211_queue_work(wl->hw, &wl->recovery_work); + wl12xx_queue_recovery_work(wl); mutex_unlock(&wl->mutex); return count; @@ -527,11 +535,129 @@ static const struct file_operations beacon_interval_ops = { .llseek = default_llseek, }; +static ssize_t rx_streaming_interval_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + char buf[10]; + size_t len; + unsigned long value; + int ret; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + + ret = kstrtoul(buf, 0, &value); + if (ret < 0) { + wl1271_warning("illegal value in rx_streaming_interval!"); + return -EINVAL; + } + + /* valid values: 0, 10-100 */ + if (value && (value < 10 || value > 100)) { + wl1271_warning("value is not in range!"); + return -ERANGE; + } + + mutex_lock(&wl->mutex); + + wl->conf.rx_streaming.interval = value; + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + wl1271_recalc_rx_streaming(wl); + + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + return count; +} + +static ssize_t rx_streaming_interval_read(struct file *file, + char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + return wl1271_format_buffer(userbuf, count, ppos, + "%d\n", wl->conf.rx_streaming.interval); +} + +static const struct file_operations rx_streaming_interval_ops = { + .read = rx_streaming_interval_read, + .write = rx_streaming_interval_write, + .open = wl1271_open_file_generic, + .llseek = default_llseek, +}; + +static ssize_t rx_streaming_always_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + char buf[10]; + size_t len; + unsigned long value; + int ret; + + len = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, len)) + return -EFAULT; + buf[len] = '\0'; + + ret = kstrtoul(buf, 0, &value); + if (ret < 0) { + wl1271_warning("illegal value in rx_streaming_write!"); + return -EINVAL; + } + + /* valid values: 0, 10-100 */ + if (!(value == 0 || value == 1)) { + wl1271_warning("value is not in valid!"); + return -EINVAL; + } + + mutex_lock(&wl->mutex); + + wl->conf.rx_streaming.always = value; + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + wl1271_recalc_rx_streaming(wl); + + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); + return count; +} + +static ssize_t rx_streaming_always_read(struct file *file, + char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + return wl1271_format_buffer(userbuf, count, ppos, + "%d\n", wl->conf.rx_streaming.always); +} + +static const struct file_operations rx_streaming_always_ops = { + .read = rx_streaming_always_read, + .write = rx_streaming_always_write, + .open = wl1271_open_file_generic, + .llseek = default_llseek, +}; + static int wl1271_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) { int ret = 0; - struct dentry *entry, *stats; + struct dentry *entry, *stats, *streaming; stats = debugfs_create_dir("fw-statistics", rootdir); if (!stats || IS_ERR(stats)) { @@ -640,6 +766,14 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, DEBUGFS_ADD(dtim_interval, rootdir); DEBUGFS_ADD(beacon_interval, rootdir); + streaming = debugfs_create_dir("rx_streaming", rootdir); + if (!streaming || IS_ERR(streaming)) + goto err; + + DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming); + DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming); + + return 0; err: diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c index 94bbd00..a16dee5 100644 --- a/drivers/net/wireless/wl12xx/event.c +++ b/drivers/net/wireless/wl12xx/event.c @@ -133,10 +133,13 @@ static int wl1271_event_ps_report(struct wl1271 *wl, if (ret < 0) break; - /* enable beacon early termination */ - ret = wl1271_acx_bet_enable(wl, true); - if (ret < 0) - break; + /* + * BET has only a minor effect in 5GHz and masks + * channel switch IEs, so we only enable BET on 2.4GHz + */ + if (wl->band == IEEE80211_BAND_2GHZ) + /* enable beacon early termination */ + ret = wl1271_acx_bet_enable(wl, true); if (wl->ps_compl) { complete(wl->ps_compl); @@ -183,6 +186,21 @@ static void wl1271_stop_ba_event(struct wl1271 *wl, u8 ba_allowed) ieee80211_stop_rx_ba_session(wl->vif, wl->ba_rx_bitmap, wl->bssid); } +static void wl12xx_event_soft_gemini_sense(struct wl1271 *wl, + u8 enable) +{ + if (enable) { + /* disable dynamic PS when requested by the firmware */ + ieee80211_disable_dyn_ps(wl->vif); + set_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags); + } else { + ieee80211_enable_dyn_ps(wl->vif); + clear_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags); + wl1271_recalc_rx_streaming(wl); + } + +} + static void wl1271_event_mbox_dump(struct event_mailbox *mbox) { wl1271_debug(DEBUG_EVENT, "MBOX DUMP:"); @@ -226,14 +244,10 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox) } } - /* disable dynamic PS when requested by the firmware */ if (vector & SOFT_GEMINI_SENSE_EVENT_ID && - wl->bss_type == BSS_TYPE_STA_BSS) { - if (mbox->soft_gemini_sense_info) - ieee80211_disable_dyn_ps(wl->vif); - else - ieee80211_enable_dyn_ps(wl->vif); - } + wl->bss_type == BSS_TYPE_STA_BSS) + wl12xx_event_soft_gemini_sense(wl, + mbox->soft_gemini_sense_info); /* * The BSS_LOSE_EVENT_ID is only needed while psm (and hence beacon diff --git a/drivers/net/wireless/wl12xx/ini.h b/drivers/net/wireless/wl12xx/ini.h index 1420c84..4cf9ecc 100644 --- a/drivers/net/wireless/wl12xx/ini.h +++ b/drivers/net/wireless/wl12xx/ini.h @@ -24,6 +24,9 @@ #ifndef __INI_H__ #define __INI_H__ +#define GENERAL_SETTINGS_DRPW_LPD 0xc0 +#define SCRATCH_ENABLE_LPD BIT(25) + #define WL1271_INI_MAX_SMART_REFLEX_PARAM 16 struct wl1271_ini_general_params { diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c index f5c2c9e..cf40ac9 100644 --- a/drivers/net/wireless/wl12xx/init.c +++ b/drivers/net/wireless/wl12xx/init.c @@ -321,6 +321,20 @@ static int wl1271_init_beacon_broadcast(struct wl1271 *wl) return 0; } +static int wl12xx_init_fwlog(struct wl1271 *wl) +{ + int ret; + + if (wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED) + return 0; + + ret = wl12xx_cmd_config_fwlog(wl); + if (ret < 0) + return ret; + + return 0; +} + static int wl1271_sta_hw_init(struct wl1271 *wl) { int ret; @@ -382,6 +396,11 @@ static int wl1271_sta_hw_init(struct wl1271 *wl) if (ret < 0) return ret; + /* Configure the FW logger */ + ret = wl12xx_init_fwlog(wl); + if (ret < 0) + return ret; + return 0; } diff --git a/drivers/net/wireless/wl12xx/io.c b/drivers/net/wireless/wl12xx/io.c index da5c1ad..c2da66f 100644 --- a/drivers/net/wireless/wl12xx/io.c +++ b/drivers/net/wireless/wl12xx/io.c @@ -23,7 +23,6 @@ #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/crc7.h> #include <linux/spi/spi.h> #include "wl12xx.h" @@ -128,12 +127,14 @@ EXPORT_SYMBOL_GPL(wl1271_set_partition); void wl1271_io_reset(struct wl1271 *wl) { - wl->if_ops->reset(wl); + if (wl->if_ops->reset) + wl->if_ops->reset(wl); } void wl1271_io_init(struct wl1271 *wl) { - wl->if_ops->init(wl); + if (wl->if_ops->init) + wl->if_ops->init(wl); } void wl1271_top_reg_write(struct wl1271 *wl, int addr, u16 val) diff --git a/drivers/net/wireless/wl12xx/io.h b/drivers/net/wireless/wl12xx/io.h index 20b0031..a2fe4f5 100644 --- a/drivers/net/wireless/wl12xx/io.h +++ b/drivers/net/wireless/wl12xx/io.h @@ -129,6 +129,20 @@ static inline void wl1271_write(struct wl1271 *wl, int addr, void *buf, wl1271_raw_write(wl, physical, buf, len, fixed); } +static inline void wl1271_read_hwaddr(struct wl1271 *wl, int hwaddr, + void *buf, size_t len, bool fixed) +{ + int physical; + int addr; + + /* Addresses are stored internally as addresses to 32 bytes blocks */ + addr = hwaddr << 5; + + physical = wl1271_translate_addr(wl, addr); + + wl1271_raw_read(wl, physical, buf, len, fixed); +} + static inline u32 wl1271_read32(struct wl1271 *wl, int addr) { return wl1271_raw_read32(wl, wl1271_translate_addr(wl, addr)); diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index f37f0b8..a3734bd 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -31,6 +31,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/wl12xx.h> +#include <linux/sched.h> #include "wl12xx.h" #include "wl12xx_80211.h" @@ -362,9 +363,25 @@ static struct conf_drv_settings default_conf = { .fm_disturbed_band_margin = 0xff, /* default */ .swallow_clk_diff = 0xff, /* default */ }, + .rx_streaming = { + .duration = 150, + .queues = 0x1, + .interval = 20, + .always = 0, + }, + .fwlog = { + .mode = WL12XX_FWLOG_ON_DEMAND, + .mem_blocks = 2, + .severity = 0, + .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED, + .output = WL12XX_FWLOG_OUTPUT_HOST, + .threshold = 0, + }, .hci_io_ds = HCI_IO_DS_6MA, }; +static char *fwlog_param; + static void __wl1271_op_remove_interface(struct wl1271 *wl, bool reset_tx_queues); static void wl1271_free_ap_keys(struct wl1271 *wl); @@ -388,6 +405,22 @@ static struct platform_device wl1271_device = { static DEFINE_MUTEX(wl_list_mutex); static LIST_HEAD(wl_list); +static int wl1271_check_operstate(struct wl1271 *wl, unsigned char operstate) +{ + int ret; + if (operstate != IF_OPER_UP) + return 0; + + if (test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) + return 0; + + ret = wl1271_cmd_set_sta_state(wl); + if (ret < 0) + return ret; + + wl1271_info("Association completed."); + return 0; +} static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, void *arg) { @@ -437,11 +470,7 @@ static int wl1271_dev_notify(struct notifier_block *me, unsigned long what, if (ret < 0) goto out; - if ((dev->operstate == IF_OPER_UP) && - !test_and_set_bit(WL1271_FLAG_STA_STATE_SENT, &wl->flags)) { - wl1271_cmd_set_sta_state(wl); - wl1271_info("Association completed."); - } + wl1271_check_operstate(wl, dev->operstate); wl1271_ps_elp_sleep(wl); @@ -473,6 +502,117 @@ static int wl1271_reg_notify(struct wiphy *wiphy, return 0; } +static int wl1271_set_rx_streaming(struct wl1271 *wl, bool enable) +{ + int ret = 0; + + /* we should hold wl->mutex */ + ret = wl1271_acx_ps_rx_streaming(wl, enable); + if (ret < 0) + goto out; + + if (enable) + set_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); + else + clear_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags); +out: + return ret; +} + +/* + * this function is being called when the rx_streaming interval + * has beed changed or rx_streaming should be disabled + */ +int wl1271_recalc_rx_streaming(struct wl1271 *wl) +{ + int ret = 0; + int period = wl->conf.rx_streaming.interval; + + /* don't reconfigure if rx_streaming is disabled */ + if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) + goto out; + + /* reconfigure/disable according to new streaming_period */ + if (period && + test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) && + (wl->conf.rx_streaming.always || + test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) + ret = wl1271_set_rx_streaming(wl, true); + else { + ret = wl1271_set_rx_streaming(wl, false); + /* don't cancel_work_sync since we might deadlock */ + del_timer_sync(&wl->rx_streaming_timer); + } +out: + return ret; +} + +static void wl1271_rx_streaming_enable_work(struct work_struct *work) +{ + int ret; + struct wl1271 *wl = + container_of(work, struct wl1271, rx_streaming_enable_work); + + mutex_lock(&wl->mutex); + + if (test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags) || + !test_bit(WL1271_FLAG_STA_ASSOCIATED, &wl->flags) || + (!wl->conf.rx_streaming.always && + !test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) + goto out; + + if (!wl->conf.rx_streaming.interval) + goto out; + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1271_set_rx_streaming(wl, true); + if (ret < 0) + goto out_sleep; + + /* stop it after some time of inactivity */ + mod_timer(&wl->rx_streaming_timer, + jiffies + msecs_to_jiffies(wl->conf.rx_streaming.duration)); + +out_sleep: + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); +} + +static void wl1271_rx_streaming_disable_work(struct work_struct *work) +{ + int ret; + struct wl1271 *wl = + container_of(work, struct wl1271, rx_streaming_disable_work); + + mutex_lock(&wl->mutex); + + if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) + goto out; + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out; + + ret = wl1271_set_rx_streaming(wl, false); + if (ret) + goto out_sleep; + +out_sleep: + wl1271_ps_elp_sleep(wl); +out: + mutex_unlock(&wl->mutex); +} + +static void wl1271_rx_streaming_timer(unsigned long data) +{ + struct wl1271 *wl = (struct wl1271 *)data; + ieee80211_queue_work(wl->hw, &wl->rx_streaming_disable_work); +} + static void wl1271_conf_init(struct wl1271 *wl) { @@ -488,8 +628,24 @@ static void wl1271_conf_init(struct wl1271 *wl) /* apply driver default configuration */ memcpy(&wl->conf, &default_conf, sizeof(default_conf)); -} + /* Adjust settings according to optional module parameters */ + if (fwlog_param) { + if (!strcmp(fwlog_param, "continuous")) { + wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; + } else if (!strcmp(fwlog_param, "ondemand")) { + wl->conf.fwlog.mode = WL12XX_FWLOG_ON_DEMAND; + } else if (!strcmp(fwlog_param, "dbgpins")) { + wl->conf.fwlog.mode = WL12XX_FWLOG_CONTINUOUS; + wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_DBG_PINS; + } else if (!strcmp(fwlog_param, "disable")) { + wl->conf.fwlog.mem_blocks = 0; + wl->conf.fwlog.output = WL12XX_FWLOG_OUTPUT_NONE; + } else { + wl1271_error("Unknown fwlog parameter %s", fwlog_param); + } + } +} static int wl1271_plt_init(struct wl1271 *wl) { @@ -741,7 +897,7 @@ static void wl1271_flush_deferred_work(struct wl1271 *wl) /* Return sent skbs to the network stack */ while ((skb = skb_dequeue(&wl->deferred_tx_queue))) - ieee80211_tx_status(wl->hw, skb); + ieee80211_tx_status_ni(wl->hw, skb); } static void wl1271_netstack_work(struct work_struct *work) @@ -808,7 +964,7 @@ irqreturn_t wl1271_irq(int irq, void *cookie) if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { wl1271_error("watchdog interrupt received! " "starting recovery."); - ieee80211_queue_work(wl->hw, &wl->recovery_work); + wl12xx_queue_recovery_work(wl); /* restarting the chip. ignore any other interrupt. */ goto out; @@ -970,6 +1126,89 @@ out: return ret; } +void wl12xx_queue_recovery_work(struct wl1271 *wl) +{ + if (!test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags)) + ieee80211_queue_work(wl->hw, &wl->recovery_work); +} + +size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen) +{ + size_t len = 0; + + /* The FW log is a length-value list, find where the log end */ + while (len < maxlen) { + if (memblock[len] == 0) + break; + if (len + memblock[len] + 1 > maxlen) + break; + len += memblock[len] + 1; + } + + /* Make sure we have enough room */ + len = min(len, (size_t)(PAGE_SIZE - wl->fwlog_size)); + + /* Fill the FW log file, consumed by the sysfs fwlog entry */ + memcpy(wl->fwlog + wl->fwlog_size, memblock, len); + wl->fwlog_size += len; + + return len; +} + +static void wl12xx_read_fwlog_panic(struct wl1271 *wl) +{ + u32 addr; + u32 first_addr; + u8 *block; + + if ((wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED) || + (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) || + (wl->conf.fwlog.mem_blocks == 0)) + return; + + wl1271_info("Reading FW panic log"); + + block = kmalloc(WL12XX_HW_BLOCK_SIZE, GFP_KERNEL); + if (!block) + return; + + /* + * Make sure the chip is awake and the logger isn't active. + * This might fail if the firmware hanged. + */ + if (!wl1271_ps_elp_wakeup(wl)) + wl12xx_cmd_stop_fwlog(wl); + + /* Read the first memory block address */ + wl1271_fw_status(wl, wl->fw_status); + first_addr = __le32_to_cpu(wl->fw_status->sta.log_start_addr); + if (!first_addr) + goto out; + + /* Traverse the memory blocks linked list */ + addr = first_addr; + do { + memset(block, 0, WL12XX_HW_BLOCK_SIZE); + wl1271_read_hwaddr(wl, addr, block, WL12XX_HW_BLOCK_SIZE, + false); + + /* + * Memory blocks are linked to one another. The first 4 bytes + * of each memory block hold the hardware address of the next + * one. The last memory block points to the first one. + */ + addr = __le32_to_cpup((__le32 *)block); + if (!wl12xx_copy_fwlog(wl, block + sizeof(addr), + WL12XX_HW_BLOCK_SIZE - sizeof(addr))) + break; + } while (addr && (addr != first_addr)); + + wake_up_interruptible(&wl->fwlog_waitq); + +out: + kfree(block); +} + static void wl1271_recovery_work(struct work_struct *work) { struct wl1271 *wl = @@ -980,6 +1219,11 @@ static void wl1271_recovery_work(struct work_struct *work) if (wl->state != WL1271_STATE_ON) goto out; + /* Avoid a recursive recovery */ + set_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); + + wl12xx_read_fwlog_panic(wl); + wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", wl->chip.fw_ver_str, wl1271_read32(wl, SCR_PAD4)); @@ -996,6 +1240,9 @@ static void wl1271_recovery_work(struct work_struct *work) /* reboot the chipset */ __wl1271_op_remove_interface(wl, false); + + clear_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags); + ieee80211_restart_hw(wl->hw); /* @@ -1074,9 +1321,13 @@ static int wl1271_chip_wakeup(struct wl1271 *wl) wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", wl->chip.id); - /* end-of-transaction flag should be set in wl127x AP mode */ + /* + * 'end-of-transaction flag' and 'LPD mode flag' + * should be set in wl127x AP mode only + */ if (wl->bss_type == BSS_TYPE_AP_BSS) - wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION; + wl->quirks |= (WL12XX_QUIRK_END_OF_TRANSACTION | + WL12XX_QUIRK_LPD_MODE); ret = wl1271_setup(wl); if (ret < 0) @@ -1089,6 +1340,7 @@ static int wl1271_chip_wakeup(struct wl1271 *wl) ret = wl1271_setup(wl); if (ret < 0) goto out; + if (wl1271_set_block_size(wl)) wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT; break; @@ -1117,24 +1369,6 @@ out: return ret; } -static unsigned int wl1271_get_fw_ver_quirks(struct wl1271 *wl) -{ - unsigned int quirks = 0; - unsigned int *fw_ver = wl->chip.fw_ver; - - /* Only for wl127x */ - if ((fw_ver[FW_VER_CHIP] == FW_VER_CHIP_WL127X) && - /* Check STA version */ - (((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_STA) && - (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_STA_MIN)) || - /* Check AP version */ - ((fw_ver[FW_VER_IF_TYPE] == FW_VER_IF_TYPE_AP) && - (fw_ver[FW_VER_MINOR] < FW_VER_MINOR_1_SPARE_AP_MIN)))) - quirks |= WL12XX_QUIRK_USE_2_SPARE_BLOCKS; - - return quirks; -} - int wl1271_plt_start(struct wl1271 *wl) { int retries = WL1271_BOOT_RETRIES; @@ -1171,8 +1405,6 @@ int wl1271_plt_start(struct wl1271 *wl) wl1271_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver_str); - /* Check if any quirks are needed with older fw versions */ - wl->quirks |= wl1271_get_fw_ver_quirks(wl); goto out; irq_disable: @@ -1352,13 +1584,10 @@ static struct notifier_block wl1271_dev_notifier = { }; #ifdef CONFIG_PM -static int wl1271_configure_suspend(struct wl1271 *wl) +static int wl1271_configure_suspend_sta(struct wl1271 *wl) { int ret; - if (wl->bss_type != BSS_TYPE_STA_BSS) - return 0; - mutex_lock(&wl->mutex); ret = wl1271_ps_elp_wakeup(wl); @@ -1403,11 +1632,41 @@ out: } +static int wl1271_configure_suspend_ap(struct wl1271 *wl) +{ + int ret; + + mutex_lock(&wl->mutex); + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + goto out_unlock; + + ret = wl1271_acx_set_ap_beacon_filter(wl, true); + + wl1271_ps_elp_sleep(wl); +out_unlock: + mutex_unlock(&wl->mutex); + return ret; + +} + +static int wl1271_configure_suspend(struct wl1271 *wl) +{ + if (wl->bss_type == BSS_TYPE_STA_BSS) + return wl1271_configure_suspend_sta(wl); + if (wl->bss_type == BSS_TYPE_AP_BSS) + return wl1271_configure_suspend_ap(wl); + return 0; +} + static void wl1271_configure_resume(struct wl1271 *wl) { int ret; + bool is_sta = wl->bss_type == BSS_TYPE_STA_BSS; + bool is_ap = wl->bss_type == BSS_TYPE_AP_BSS; - if (wl->bss_type != BSS_TYPE_STA_BSS) + if (!is_sta && !is_ap) return; mutex_lock(&wl->mutex); @@ -1415,10 +1674,14 @@ static void wl1271_configure_resume(struct wl1271 *wl) if (ret < 0) goto out; - /* exit psm if it wasn't configured */ - if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) - wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, - wl->basic_rate, true); + if (is_sta) { + /* exit psm if it wasn't configured */ + if (!test_bit(WL1271_FLAG_PSM_REQUESTED, &wl->flags)) + wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE, + wl->basic_rate, true); + } else if (is_ap) { + wl1271_acx_set_ap_beacon_filter(wl, false); + } wl1271_ps_elp_sleep(wl); out: @@ -1429,69 +1692,69 @@ static int wl1271_op_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow) { struct wl1271 *wl = hw->priv; + int ret; + wl1271_debug(DEBUG_MAC80211, "mac80211 suspend wow=%d", !!wow); - wl->wow_enabled = !!wow; - if (wl->wow_enabled) { - int ret; - ret = wl1271_configure_suspend(wl); - if (ret < 0) { - wl1271_warning("couldn't prepare device to suspend"); - return ret; - } - /* flush any remaining work */ - wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); - flush_delayed_work(&wl->scan_complete_work); + WARN_ON(!wow || !wow->any); - /* - * disable and re-enable interrupts in order to flush - * the threaded_irq - */ - wl1271_disable_interrupts(wl); + wl->wow_enabled = true; + ret = wl1271_configure_suspend(wl); + if (ret < 0) { + wl1271_warning("couldn't prepare device to suspend"); + return ret; + } + /* flush any remaining work */ + wl1271_debug(DEBUG_MAC80211, "flushing remaining works"); + flush_delayed_work(&wl->scan_complete_work); - /* - * set suspended flag to avoid triggering a new threaded_irq - * work. no need for spinlock as interrupts are disabled. - */ - set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); + /* + * disable and re-enable interrupts in order to flush + * the threaded_irq + */ + wl1271_disable_interrupts(wl); + + /* + * set suspended flag to avoid triggering a new threaded_irq + * work. no need for spinlock as interrupts are disabled. + */ + set_bit(WL1271_FLAG_SUSPENDED, &wl->flags); + + wl1271_enable_interrupts(wl); + flush_work(&wl->tx_work); + flush_delayed_work(&wl->pspoll_work); + flush_delayed_work(&wl->elp_work); - wl1271_enable_interrupts(wl); - flush_work(&wl->tx_work); - flush_delayed_work(&wl->pspoll_work); - flush_delayed_work(&wl->elp_work); - } return 0; } static int wl1271_op_resume(struct ieee80211_hw *hw) { struct wl1271 *wl = hw->priv; + unsigned long flags; + bool run_irq_work = false; + wl1271_debug(DEBUG_MAC80211, "mac80211 resume wow=%d", wl->wow_enabled); + WARN_ON(!wl->wow_enabled); /* * re-enable irq_work enqueuing, and call irq_work directly if * there is a pending work. */ - if (wl->wow_enabled) { - struct wl1271 *wl = hw->priv; - unsigned long flags; - bool run_irq_work = false; - - spin_lock_irqsave(&wl->wl_lock, flags); - clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); - if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) - run_irq_work = true; - spin_unlock_irqrestore(&wl->wl_lock, flags); - - if (run_irq_work) { - wl1271_debug(DEBUG_MAC80211, - "run postponed irq_work directly"); - wl1271_irq(0, wl); - wl1271_enable_interrupts(wl); - } + spin_lock_irqsave(&wl->wl_lock, flags); + clear_bit(WL1271_FLAG_SUSPENDED, &wl->flags); + if (test_and_clear_bit(WL1271_FLAG_PENDING_WORK, &wl->flags)) + run_irq_work = true; + spin_unlock_irqrestore(&wl->wl_lock, flags); - wl1271_configure_resume(wl); + if (run_irq_work) { + wl1271_debug(DEBUG_MAC80211, + "run postponed irq_work directly"); + wl1271_irq(0, wl); + wl1271_enable_interrupts(wl); } + wl1271_configure_resume(wl); + wl->wow_enabled = false; return 0; } @@ -1629,9 +1892,6 @@ power_off: strncpy(wiphy->fw_version, wl->chip.fw_ver_str, sizeof(wiphy->fw_version)); - /* Check if any quirks are needed with older fw versions */ - wl->quirks |= wl1271_get_fw_ver_quirks(wl); - /* * Now we know if 11a is supported (info from the NVS), so disable * 11a channels if not supported @@ -1694,6 +1954,9 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl, cancel_delayed_work_sync(&wl->scan_complete_work); cancel_work_sync(&wl->netstack_work); cancel_work_sync(&wl->tx_work); + del_timer_sync(&wl->rx_streaming_timer); + cancel_work_sync(&wl->rx_streaming_enable_work); + cancel_work_sync(&wl->rx_streaming_disable_work); cancel_delayed_work_sync(&wl->pspoll_work); cancel_delayed_work_sync(&wl->elp_work); @@ -2780,24 +3043,6 @@ static void wl1271_bss_info_changed_ap(struct wl1271 *wl, } } - if (changed & BSS_CHANGED_IBSS) { - wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", - bss_conf->ibss_joined); - - if (bss_conf->ibss_joined) { - u32 rates = bss_conf->basic_rates; - wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, - rates); - wl->basic_rate = wl1271_tx_min_rate_get(wl); - - /* by default, use 11b rates */ - wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES; - ret = wl1271_acx_sta_rate_policies(wl); - if (ret < 0) - goto out; - } - } - ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); if (ret < 0) goto out; @@ -3023,6 +3268,24 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, } } + if (changed & BSS_CHANGED_IBSS) { + wl1271_debug(DEBUG_ADHOC, "ibss_joined: %d", + bss_conf->ibss_joined); + + if (bss_conf->ibss_joined) { + u32 rates = bss_conf->basic_rates; + wl->basic_rate_set = wl1271_tx_enabled_rates_get(wl, + rates); + wl->basic_rate = wl1271_tx_min_rate_get(wl); + + /* by default, use 11b rates */ + wl->rate_set = CONF_TX_IBSS_DEFAULT_RATES; + ret = wl1271_acx_sta_rate_policies(wl); + if (ret < 0) + goto out; + } + } + ret = wl1271_bss_erp_info_changed(wl, bss_conf, changed); if (ret < 0) goto out; @@ -3061,6 +3324,7 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, wl1271_warning("cmd join failed %d", ret); goto out; } + wl1271_check_operstate(wl, ieee80211_get_operstate(vif)); } out: @@ -3784,6 +4048,69 @@ static ssize_t wl1271_sysfs_show_hw_pg_ver(struct device *dev, static DEVICE_ATTR(hw_pg_ver, S_IRUGO | S_IWUSR, wl1271_sysfs_show_hw_pg_ver, NULL); +static ssize_t wl1271_sysfs_read_fwlog(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, + char *buffer, loff_t pos, size_t count) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct wl1271 *wl = dev_get_drvdata(dev); + ssize_t len; + int ret; + + ret = mutex_lock_interruptible(&wl->mutex); + if (ret < 0) + return -ERESTARTSYS; + + /* Let only one thread read the log at a time, blocking others */ + while (wl->fwlog_size == 0) { + DEFINE_WAIT(wait); + + prepare_to_wait_exclusive(&wl->fwlog_waitq, + &wait, + TASK_INTERRUPTIBLE); + + if (wl->fwlog_size != 0) { + finish_wait(&wl->fwlog_waitq, &wait); + break; + } + + mutex_unlock(&wl->mutex); + + schedule(); + finish_wait(&wl->fwlog_waitq, &wait); + + if (signal_pending(current)) + return -ERESTARTSYS; + + ret = mutex_lock_interruptible(&wl->mutex); + if (ret < 0) + return -ERESTARTSYS; + } + + /* Check if the fwlog is still valid */ + if (wl->fwlog_size < 0) { + mutex_unlock(&wl->mutex); + return 0; + } + + /* Seeking is not supported - old logs are not kept. Disregard pos. */ + len = min(count, (size_t)wl->fwlog_size); + wl->fwlog_size -= len; + memcpy(buffer, wl->fwlog, len); + + /* Make room for new messages */ + memmove(wl->fwlog, wl->fwlog + len, wl->fwlog_size); + + mutex_unlock(&wl->mutex); + + return len; +} + +static struct bin_attribute fwlog_attr = { + .attr = {.name = "fwlog", .mode = S_IRUSR}, + .read = wl1271_sysfs_read_fwlog, +}; + int wl1271_register_hw(struct wl1271 *wl) { int ret; @@ -3964,6 +4291,17 @@ struct ieee80211_hw *wl1271_alloc_hw(void) INIT_WORK(&wl->tx_work, wl1271_tx_work); INIT_WORK(&wl->recovery_work, wl1271_recovery_work); INIT_DELAYED_WORK(&wl->scan_complete_work, wl1271_scan_complete_work); + INIT_WORK(&wl->rx_streaming_enable_work, + wl1271_rx_streaming_enable_work); + INIT_WORK(&wl->rx_streaming_disable_work, + wl1271_rx_streaming_disable_work); + + wl->freezable_wq = create_freezable_workqueue("wl12xx_wq"); + if (!wl->freezable_wq) { + ret = -ENOMEM; + goto err_hw; + } + wl->channel = WL1271_DEFAULT_CHANNEL; wl->beacon_int = WL1271_DEFAULT_BEACON_INT; wl->default_key = 0; @@ -3989,6 +4327,10 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->quirks = 0; wl->platform_quirks = 0; wl->sched_scanning = false; + setup_timer(&wl->rx_streaming_timer, wl1271_rx_streaming_timer, + (unsigned long) wl); + wl->fwlog_size = 0; + init_waitqueue_head(&wl->fwlog_waitq); memset(wl->tx_frames_map, 0, sizeof(wl->tx_frames_map)); for (i = 0; i < ACX_TX_DESCRIPTORS; i++) @@ -4006,7 +4348,7 @@ struct ieee80211_hw *wl1271_alloc_hw(void) wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); if (!wl->aggr_buf) { ret = -ENOMEM; - goto err_hw; + goto err_wq; } wl->dummy_packet = wl12xx_alloc_dummy_packet(wl); @@ -4015,11 +4357,18 @@ struct ieee80211_hw *wl1271_alloc_hw(void) goto err_aggr; } + /* Allocate one page for the FW log */ + wl->fwlog = (u8 *)get_zeroed_page(GFP_KERNEL); + if (!wl->fwlog) { + ret = -ENOMEM; + goto err_dummy_packet; + } + /* Register platform device */ ret = platform_device_register(wl->plat_dev); if (ret) { wl1271_error("couldn't register platform device"); - goto err_dummy_packet; + goto err_fwlog; } dev_set_drvdata(&wl->plat_dev->dev, wl); @@ -4037,20 +4386,36 @@ struct ieee80211_hw *wl1271_alloc_hw(void) goto err_bt_coex_state; } + /* Create sysfs file for the FW log */ + ret = device_create_bin_file(&wl->plat_dev->dev, &fwlog_attr); + if (ret < 0) { + wl1271_error("failed to create sysfs file fwlog"); + goto err_hw_pg_ver; + } + return hw; +err_hw_pg_ver: + device_remove_file(&wl->plat_dev->dev, &dev_attr_hw_pg_ver); + err_bt_coex_state: device_remove_file(&wl->plat_dev->dev, &dev_attr_bt_coex_state); err_platform: platform_device_unregister(wl->plat_dev); +err_fwlog: + free_page((unsigned long)wl->fwlog); + err_dummy_packet: dev_kfree_skb(wl->dummy_packet); err_aggr: free_pages((unsigned long)wl->aggr_buf, order); +err_wq: + destroy_workqueue(wl->freezable_wq); + err_hw: wl1271_debugfs_exit(wl); kfree(plat_dev); @@ -4066,7 +4431,15 @@ EXPORT_SYMBOL_GPL(wl1271_alloc_hw); int wl1271_free_hw(struct wl1271 *wl) { + /* Unblock any fwlog readers */ + mutex_lock(&wl->mutex); + wl->fwlog_size = -1; + wake_up_interruptible_all(&wl->fwlog_waitq); + mutex_unlock(&wl->mutex); + + device_remove_bin_file(&wl->plat_dev->dev, &fwlog_attr); platform_device_unregister(wl->plat_dev); + free_page((unsigned long)wl->fwlog); dev_kfree_skb(wl->dummy_packet); free_pages((unsigned long)wl->aggr_buf, get_order(WL1271_AGGR_BUFFER_SIZE)); @@ -4081,6 +4454,7 @@ int wl1271_free_hw(struct wl1271 *wl) kfree(wl->fw_status); kfree(wl->tx_res_if); + destroy_workqueue(wl->freezable_wq); ieee80211_free_hw(wl->hw); @@ -4093,6 +4467,10 @@ EXPORT_SYMBOL_GPL(wl12xx_debug_level); module_param_named(debug_level, wl12xx_debug_level, uint, S_IRUSR | S_IWUSR); MODULE_PARM_DESC(debug_level, "wl12xx debugging level"); +module_param_named(fwlog, fwlog_param, charp, 0); +MODULE_PARM_DESC(keymap, + "FW logger options: continuous, ondemand, dbgpins or disable"); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/ps.c index b59b6771..3e68a66 100644 --- a/drivers/net/wireless/wl12xx/ps.c +++ b/drivers/net/wireless/wl12xx/ps.c @@ -118,7 +118,7 @@ int wl1271_ps_elp_wakeup(struct wl1271 *wl) &compl, msecs_to_jiffies(WL1271_WAKEUP_TIMEOUT)); if (ret == 0) { wl1271_error("ELP wakeup timeout!"); - ieee80211_queue_work(wl->hw, &wl->recovery_work); + wl12xx_queue_recovery_work(wl); ret = -ETIMEDOUT; goto err; } else if (ret < 0) { @@ -169,9 +169,11 @@ int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode, wl1271_debug(DEBUG_PSM, "leaving psm"); /* disable beacon early termination */ - ret = wl1271_acx_bet_enable(wl, false); - if (ret < 0) - return ret; + if (wl->band == IEEE80211_BAND_2GHZ) { + ret = wl1271_acx_bet_enable(wl, false); + if (ret < 0) + return ret; + } /* disable beacon filtering */ ret = wl1271_acx_beacon_filter_opt(wl, false); @@ -202,7 +204,7 @@ static void wl1271_ps_filter_frames(struct wl1271 *wl, u8 hlid) info = IEEE80211_SKB_CB(skb); info->flags |= IEEE80211_TX_STAT_TX_FILTERED; info->status.rates[0].idx = -1; - ieee80211_tx_status(wl->hw, skb); + ieee80211_tx_status_ni(wl->hw, skb); filtered++; } } diff --git a/drivers/net/wireless/wl12xx/rx.c b/drivers/net/wireless/wl12xx/rx.c index 7009103..0450fb4 100644 --- a/drivers/net/wireless/wl12xx/rx.c +++ b/drivers/net/wireless/wl12xx/rx.c @@ -22,6 +22,7 @@ */ #include <linux/gfp.h> +#include <linux/sched.h> #include "wl12xx.h" #include "acx.h" @@ -95,6 +96,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length) struct ieee80211_hdr *hdr; u8 *buf; u8 beacon = 0; + u8 is_data = 0; /* * In PLT mode we seem to get frames and mac80211 warns about them, @@ -106,6 +108,13 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length) /* the data read starts with the descriptor */ desc = (struct wl1271_rx_descriptor *) data; + if (desc->packet_class == WL12XX_RX_CLASS_LOGGER) { + size_t len = length - sizeof(*desc); + wl12xx_copy_fwlog(wl, data + sizeof(*desc), len); + wake_up_interruptible(&wl->fwlog_waitq); + return 0; + } + switch (desc->status & WL1271_RX_DESC_STATUS_MASK) { /* discard corrupted packets */ case WL1271_RX_DESC_DRIVER_RX_Q_FAIL: @@ -137,6 +146,8 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length) hdr = (struct ieee80211_hdr *)skb->data; if (ieee80211_is_beacon(hdr->frame_control)) beacon = 1; + if (ieee80211_is_data_present(hdr->frame_control)) + is_data = 1; wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon); @@ -147,9 +158,9 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length) skb_trim(skb, skb->len - desc->pad_len); skb_queue_tail(&wl->deferred_rx_queue, skb); - ieee80211_queue_work(wl->hw, &wl->netstack_work); + queue_work(wl->freezable_wq, &wl->netstack_work); - return 0; + return is_data; } void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_common_status *status) @@ -162,6 +173,8 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_common_status *status) u32 mem_block; u32 pkt_length; u32 pkt_offset; + bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); + bool had_data = false; while (drv_rx_counter != fw_rx_counter) { buf_size = 0; @@ -214,9 +227,11 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_common_status *status) * conditions, in that case the received frame will just * be dropped. */ - wl1271_rx_handle_data(wl, - wl->aggr_buf + pkt_offset, - pkt_length); + if (wl1271_rx_handle_data(wl, + wl->aggr_buf + pkt_offset, + pkt_length) == 1) + had_data = true; + wl->rx_counter++; drv_rx_counter++; drv_rx_counter &= NUM_RX_PKT_DESC_MOD_MASK; @@ -230,6 +245,20 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_common_status *status) */ if (wl->quirks & WL12XX_QUIRK_END_OF_TRANSACTION) wl1271_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter); + + if (!is_ap && wl->conf.rx_streaming.interval && had_data && + (wl->conf.rx_streaming.always || + test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) { + u32 timeout = wl->conf.rx_streaming.duration; + + /* restart rx streaming */ + if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) + ieee80211_queue_work(wl->hw, + &wl->rx_streaming_enable_work); + + mod_timer(&wl->rx_streaming_timer, + jiffies + msecs_to_jiffies(timeout)); + } } void wl1271_set_default_filters(struct wl1271 *wl) diff --git a/drivers/net/wireless/wl12xx/rx.h b/drivers/net/wireless/wl12xx/rx.h index 75fabf8..c88e3fa 100644 --- a/drivers/net/wireless/wl12xx/rx.h +++ b/drivers/net/wireless/wl12xx/rx.h @@ -97,6 +97,18 @@ #define RX_BUF_SIZE_MASK 0xFFF00 #define RX_BUF_SIZE_SHIFT_DIV 6 +enum { + WL12XX_RX_CLASS_UNKNOWN, + WL12XX_RX_CLASS_MANAGEMENT, + WL12XX_RX_CLASS_DATA, + WL12XX_RX_CLASS_QOS_DATA, + WL12XX_RX_CLASS_BCN_PRBRSP, + WL12XX_RX_CLASS_EAPOL, + WL12XX_RX_CLASS_BA_EVENT, + WL12XX_RX_CLASS_AMSDU, + WL12XX_RX_CLASS_LOGGER, +}; + struct wl1271_rx_descriptor { __le16 length; u8 status; diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index 56f76ab..5e5c66d 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -62,7 +62,7 @@ void wl1271_scan_complete_work(struct work_struct *work) if (wl->scan.failed) { wl1271_info("Scan completed due to error."); - ieee80211_queue_work(wl->hw, &wl->recovery_work); + wl12xx_queue_recovery_work(wl); } out: @@ -326,7 +326,7 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct conn_scan_ch_params *channels, u32 band, bool radar, bool passive, - int start) + int start, int max_channels) { struct conf_sched_scan_settings *c = &wl->conf.sched_scan; int i, j; @@ -334,7 +334,7 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, bool force_passive = !req->n_ssids; for (i = 0, j = start; - i < req->n_channels && j < MAX_CHANNELS_ALL_BANDS; + i < req->n_channels && j < max_channels; i++) { flags = req->channels[i]->flags; @@ -380,46 +380,42 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, return j - start; } -static int +static bool wl1271_scan_sched_scan_channels(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct wl1271_cmd_sched_scan_config *cfg) { - int idx = 0; - cfg->passive[0] = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels, + wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2, IEEE80211_BAND_2GHZ, - false, true, idx); - idx += cfg->passive[0]; - + false, true, 0, + MAX_CHANNELS_2GHZ); cfg->active[0] = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels, + wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2, IEEE80211_BAND_2GHZ, - false, false, idx); - /* - * 5GHz channels always start at position 14, not immediately - * after the last 2.4GHz channel - */ - idx = 14; - + false, false, + cfg->passive[0], + MAX_CHANNELS_2GHZ); cfg->passive[1] = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels, + wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, - false, true, idx); - idx += cfg->passive[1]; - + false, true, 0, + MAX_CHANNELS_5GHZ); cfg->dfs = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels, + wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, - true, true, idx); - idx += cfg->dfs; - + true, true, + cfg->passive[1], + MAX_CHANNELS_5GHZ); cfg->active[1] = - wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels, + wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, - false, false, idx); - idx += cfg->active[1]; + false, false, + cfg->passive[1] + cfg->dfs, + MAX_CHANNELS_5GHZ); + /* 802.11j channels are not supported yet */ + cfg->passive[2] = 0; + cfg->active[2] = 0; wl1271_debug(DEBUG_SCAN, " 2.4GHz: active %d passive %d", cfg->active[0], cfg->passive[0]); @@ -427,7 +423,9 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl, cfg->active[1], cfg->passive[1]); wl1271_debug(DEBUG_SCAN, " DFS: %d", cfg->dfs); - return idx; + return cfg->passive[0] || cfg->active[0] || + cfg->passive[1] || cfg->active[1] || cfg->dfs || + cfg->passive[2] || cfg->active[2]; } int wl1271_scan_sched_scan_config(struct wl1271 *wl, @@ -436,7 +434,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, { struct wl1271_cmd_sched_scan_config *cfg = NULL; struct conf_sched_scan_settings *c = &wl->conf.sched_scan; - int i, total_channels, ret; + int i, ret; bool force_passive = !req->n_ssids; wl1271_debug(DEBUG_CMD, "cmd sched_scan scan config"); @@ -471,8 +469,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, cfg->ssid_len = 0; } - total_channels = wl1271_scan_sched_scan_channels(wl, req, cfg); - if (total_channels == 0) { + if (!wl1271_scan_sched_scan_channels(wl, req, cfg)) { wl1271_error("scan channel list is empty"); ret = -EINVAL; goto out; diff --git a/drivers/net/wireless/wl12xx/scan.h b/drivers/net/wireless/wl12xx/scan.h index a0b6c5d..ca81de2 100644 --- a/drivers/net/wireless/wl12xx/scan.h +++ b/drivers/net/wireless/wl12xx/scan.h @@ -112,19 +112,14 @@ struct wl1271_cmd_trigger_scan_to { __le32 timeout; } __packed; -#define MAX_CHANNELS_ALL_BANDS 41 +#define MAX_CHANNELS_2GHZ 14 +#define MAX_CHANNELS_5GHZ 23 +#define MAX_CHANNELS_4GHZ 4 + #define SCAN_MAX_CYCLE_INTERVALS 16 #define SCAN_MAX_BANDS 3 enum { - SCAN_CHANNEL_TYPE_2GHZ_PASSIVE, - SCAN_CHANNEL_TYPE_2GHZ_ACTIVE, - SCAN_CHANNEL_TYPE_5GHZ_PASSIVE, - SCAN_CHANNEL_TYPE_5GHZ_ACTIVE, - SCAN_CHANNEL_TYPE_5GHZ_DFS, -}; - -enum { SCAN_SSID_FILTER_ANY = 0, SCAN_SSID_FILTER_SPECIFIC = 1, SCAN_SSID_FILTER_LIST = 2, @@ -182,7 +177,9 @@ struct wl1271_cmd_sched_scan_config { u8 padding[3]; - struct conn_scan_ch_params channels[MAX_CHANNELS_ALL_BANDS]; + struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; + struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ]; + struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ]; } __packed; diff --git a/drivers/net/wireless/wl12xx/sdio.c b/drivers/net/wireless/wl12xx/sdio.c index 536e506..4dc4573 100644 --- a/drivers/net/wireless/wl12xx/sdio.c +++ b/drivers/net/wireless/wl12xx/sdio.c @@ -23,7 +23,6 @@ #include <linux/irq.h> #include <linux/module.h> -#include <linux/crc7.h> #include <linux/vmalloc.h> #include <linux/mmc/sdio_func.h> #include <linux/mmc/sdio_ids.h> @@ -45,7 +44,7 @@ #define SDIO_DEVICE_ID_TI_WL1271 0x4076 #endif -static const struct sdio_device_id wl1271_devices[] = { +static const struct sdio_device_id wl1271_devices[] __devinitconst = { { SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271) }, {} }; @@ -107,14 +106,6 @@ static void wl1271_sdio_enable_interrupts(struct wl1271 *wl) enable_irq(wl->irq); } -static void wl1271_sdio_reset(struct wl1271 *wl) -{ -} - -static void wl1271_sdio_init(struct wl1271 *wl) -{ -} - static void wl1271_sdio_raw_read(struct wl1271 *wl, int addr, void *buf, size_t len, bool fixed) { @@ -170,10 +161,12 @@ static int wl1271_sdio_power_on(struct wl1271 *wl) struct sdio_func *func = wl_to_func(wl); int ret; - /* Make sure the card will not be powered off by runtime PM */ - ret = pm_runtime_get_sync(&func->dev); - if (ret < 0) - goto out; + /* If enabled, tell runtime PM not to power off the card */ + if (pm_runtime_enabled(&func->dev)) { + ret = pm_runtime_get_sync(&func->dev); + if (ret) + goto out; + } /* Runtime PM might be disabled, so power up the card manually */ ret = mmc_power_restore_host(func->card->host); @@ -200,8 +193,11 @@ static int wl1271_sdio_power_off(struct wl1271 *wl) if (ret < 0) return ret; - /* Let runtime PM know the card is powered off */ - return pm_runtime_put_sync(&func->dev); + /* If enabled, let runtime PM know the card is powered off */ + if (pm_runtime_enabled(&func->dev)) + ret = pm_runtime_put_sync(&func->dev); + + return ret; } static int wl1271_sdio_set_power(struct wl1271 *wl, bool enable) @@ -215,8 +211,6 @@ static int wl1271_sdio_set_power(struct wl1271 *wl, bool enable) static struct wl1271_if_operations sdio_ops = { .read = wl1271_sdio_raw_read, .write = wl1271_sdio_raw_write, - .reset = wl1271_sdio_reset, - .init = wl1271_sdio_init, .power = wl1271_sdio_set_power, .dev = wl1271_sdio_wl_to_dev, .enable_irq = wl1271_sdio_enable_interrupts, @@ -278,17 +272,19 @@ static int __devinit wl1271_probe(struct sdio_func *func, goto out_free; } - enable_irq_wake(wl->irq); - device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 1); - - disable_irq(wl->irq); + ret = enable_irq_wake(wl->irq); + if (!ret) { + wl->irq_wake_enabled = true; + device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 1); - /* if sdio can keep power while host is suspended, enable wow */ - mmcflags = sdio_get_host_pm_caps(func); - wl1271_debug(DEBUG_SDIO, "sdio PM caps = 0x%x", mmcflags); + /* if sdio can keep power while host is suspended, enable wow */ + mmcflags = sdio_get_host_pm_caps(func); + wl1271_debug(DEBUG_SDIO, "sdio PM caps = 0x%x", mmcflags); - if (mmcflags & MMC_PM_KEEP_POWER) - hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY; + if (mmcflags & MMC_PM_KEEP_POWER) + hw->wiphy->wowlan.flags = WIPHY_WOWLAN_ANY; + } + disable_irq(wl->irq); ret = wl1271_init_ieee80211(wl); if (ret) @@ -303,8 +299,6 @@ static int __devinit wl1271_probe(struct sdio_func *func, /* Tell PM core that we don't need the card to be powered now */ pm_runtime_put_noidle(&func->dev); - wl1271_notice("initialized"); - return 0; out_irq: @@ -324,8 +318,10 @@ static void __devexit wl1271_remove(struct sdio_func *func) pm_runtime_get_noresume(&func->dev); wl1271_unregister_hw(wl); - device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 0); - disable_irq_wake(wl->irq); + if (wl->irq_wake_enabled) { + device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 0); + disable_irq_wake(wl->irq); + } free_irq(wl->irq, wl); wl1271_free_hw(wl); } @@ -402,23 +398,12 @@ static struct sdio_driver wl1271_sdio_driver = { static int __init wl1271_init(void) { - int ret; - - ret = sdio_register_driver(&wl1271_sdio_driver); - if (ret < 0) { - wl1271_error("failed to register sdio driver: %d", ret); - goto out; - } - -out: - return ret; + return sdio_register_driver(&wl1271_sdio_driver); } static void __exit wl1271_exit(void) { sdio_unregister_driver(&wl1271_sdio_driver); - - wl1271_notice("unloaded"); } module_init(wl1271_init); diff --git a/drivers/net/wireless/wl12xx/spi.c b/drivers/net/wireless/wl12xx/spi.c index beebf64..e0b3736 100644 --- a/drivers/net/wireless/wl12xx/spi.c +++ b/drivers/net/wireless/wl12xx/spi.c @@ -436,8 +436,6 @@ static int __devinit wl1271_probe(struct spi_device *spi) if (ret) goto out_irq; - wl1271_notice("initialized"); - return 0; out_irq: @@ -474,23 +472,12 @@ static struct spi_driver wl1271_spi_driver = { static int __init wl1271_init(void) { - int ret; - - ret = spi_register_driver(&wl1271_spi_driver); - if (ret < 0) { - wl1271_error("failed to register spi driver: %d", ret); - goto out; - } - -out: - return ret; + return spi_register_driver(&wl1271_spi_driver); } static void __exit wl1271_exit(void) { spi_unregister_driver(&wl1271_spi_driver); - - wl1271_notice("unloaded"); } module_init(wl1271_init); diff --git a/drivers/net/wireless/wl12xx/testmode.c b/drivers/net/wireless/wl12xx/testmode.c index da351d7..5d5e1ef 100644 --- a/drivers/net/wireless/wl12xx/testmode.c +++ b/drivers/net/wireless/wl12xx/testmode.c @@ -260,7 +260,7 @@ static int wl1271_tm_cmd_recover(struct wl1271 *wl, struct nlattr *tb[]) { wl1271_debug(DEBUG_TESTMODE, "testmode cmd recover"); - ieee80211_queue_work(wl->hw, &wl->recovery_work); + wl12xx_queue_recovery_work(wl); return 0; } diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index ca3ab1c..200590c 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -562,17 +562,29 @@ static void wl1271_skb_queue_head(struct wl1271 *wl, struct sk_buff *skb) spin_unlock_irqrestore(&wl->wl_lock, flags); } +static bool wl1271_tx_is_data_present(struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data); + + return ieee80211_is_data_present(hdr->frame_control); +} + void wl1271_tx_work_locked(struct wl1271 *wl) { struct sk_buff *skb; u32 buf_offset = 0; bool sent_packets = false; + bool had_data = false; + bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS); int ret; if (unlikely(wl->state == WL1271_STATE_OFF)) return; while ((skb = wl1271_skb_dequeue(wl))) { + if (wl1271_tx_is_data_present(skb)) + had_data = true; + ret = wl1271_prepare_tx_frame(wl, skb, buf_offset); if (ret == -EAGAIN) { /* @@ -619,6 +631,19 @@ out_ack: wl1271_handle_tx_low_watermark(wl); } + if (!is_ap && wl->conf.rx_streaming.interval && had_data && + (wl->conf.rx_streaming.always || + test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) { + u32 timeout = wl->conf.rx_streaming.duration; + + /* enable rx streaming */ + if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags)) + ieee80211_queue_work(wl->hw, + &wl->rx_streaming_enable_work); + + mod_timer(&wl->rx_streaming_timer, + jiffies + msecs_to_jiffies(timeout)); + } } void wl1271_tx_work(struct work_struct *work) @@ -702,7 +727,7 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, /* return the packet to the stack */ skb_queue_tail(&wl->deferred_tx_queue, skb); - ieee80211_queue_work(wl->hw, &wl->netstack_work); + queue_work(wl->freezable_wq, &wl->netstack_work); wl1271_free_tx_id(wl, result->id); } @@ -757,7 +782,7 @@ void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid) info = IEEE80211_SKB_CB(skb); info->status.rates[0].idx = -1; info->status.rates[0].count = 0; - ieee80211_tx_status(wl->hw, skb); + ieee80211_tx_status_ni(wl->hw, skb); total++; } } @@ -795,7 +820,7 @@ void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues) info = IEEE80211_SKB_CB(skb); info->status.rates[0].idx = -1; info->status.rates[0].count = 0; - ieee80211_tx_status(wl->hw, skb); + ieee80211_tx_status_ni(wl->hw, skb); } } } @@ -838,7 +863,7 @@ void wl1271_tx_reset(struct wl1271 *wl, bool reset_tx_queues) info->status.rates[0].idx = -1; info->status.rates[0].count = 0; - ieee80211_tx_status(wl->hw, skb); + ieee80211_tx_status_ni(wl->hw, skb); } } } diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h index 3bc794a..d7db6e7 100644 --- a/drivers/net/wireless/wl12xx/wl12xx.h +++ b/drivers/net/wireless/wl12xx/wl12xx.h @@ -226,6 +226,8 @@ enum { #define FW_VER_MINOR_1_SPARE_STA_MIN 58 #define FW_VER_MINOR_1_SPARE_AP_MIN 47 +#define FW_VER_MINOR_FWLOG_STA_MIN 70 + struct wl1271_chip { u32 id; char fw_ver_str[ETHTOOL_BUSINFO_LEN]; @@ -284,8 +286,7 @@ struct wl1271_fw_sta_status { u8 tx_total; u8 reserved1; __le16 reserved2; - /* Total structure size is 68 bytes */ - u32 padding; + __le32 log_start_addr; } __packed; struct wl1271_fw_full_status { @@ -359,6 +360,9 @@ enum wl12xx_flags { WL1271_FLAG_DUMMY_PACKET_PENDING, WL1271_FLAG_SUSPENDED, WL1271_FLAG_PENDING_WORK, + WL1271_FLAG_SOFT_GEMINI, + WL1271_FLAG_RX_STREAMING_STARTED, + WL1271_FLAG_RECOVERY_IN_PROGRESS, }; struct wl1271_link { @@ -443,6 +447,7 @@ struct wl1271 { struct sk_buff_head deferred_tx_queue; struct work_struct tx_work; + struct workqueue_struct *freezable_wq; /* Pending TX frames */ unsigned long tx_frames_map[BITS_TO_LONGS(ACX_TX_DESCRIPTORS)]; @@ -468,6 +473,15 @@ struct wl1271 { /* Network stack work */ struct work_struct netstack_work; + /* FW log buffer */ + u8 *fwlog; + + /* Number of valid bytes in the FW log buffer */ + ssize_t fwlog_size; + + /* Sysfs FW log entry readers wait queue */ + wait_queue_head_t fwlog_waitq; + /* Hardware recovery work */ struct work_struct recovery_work; @@ -508,6 +522,11 @@ struct wl1271 { /* Default key (for WEP) */ u32 default_key; + /* Rx Streaming */ + struct work_struct rx_streaming_enable_work; + struct work_struct rx_streaming_disable_work; + struct timer_list rx_streaming_timer; + unsigned int filters; unsigned int rx_config; unsigned int rx_filter; @@ -573,6 +592,7 @@ struct wl1271 { * (currently, only "ANY" trigger is supported) */ bool wow_enabled; + bool irq_wake_enabled; /* * AP-mode - links indexed by HLID. The global and broadcast links @@ -602,6 +622,9 @@ struct wl1271_station { int wl1271_plt_start(struct wl1271 *wl); int wl1271_plt_stop(struct wl1271 *wl); +int wl1271_recalc_rx_streaming(struct wl1271 *wl); +void wl12xx_queue_recovery_work(struct wl1271 *wl); +size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen); #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */ @@ -637,4 +660,15 @@ int wl1271_plt_stop(struct wl1271 *wl); /* WL128X requires aggregated packets to be aligned to the SDIO block size */ #define WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT BIT(2) +/* + * WL127X AP mode requires Low Power DRPw (LPD) enable to reduce power + * consumption + */ +#define WL12XX_QUIRK_LPD_MODE BIT(3) + +/* Older firmwares did not implement the FW logger over bus feature */ +#define WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED BIT(4) + +#define WL12XX_HW_BLOCK_SIZE 256 + #endif |
