From fb9987d0f748c983bb795a86f47522313f701a08 Mon Sep 17 00:00:00 2001 From: Sujith Date: Wed, 17 Mar 2010 14:25:25 +0530 Subject: ath9k_htc: Support for AR9271 chipset. Features: * Station mode * IBSS mode * Monitor mode * Legacy support * HT support * TX/RX 11n Aggregation * HW encryption * LED * Suspend/Resume For more information: http://wireless.kernel.org/en/users/Drivers/ath9k_htc Signed-off-by: Sujith Signed-off-by: Vasanthakumar Thiagarajan Signed-off-by: Senthil Balasubramanian Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/wmi.h | 126 +++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 drivers/net/wireless/ath/ath9k/wmi.h (limited to 'drivers/net/wireless/ath/ath9k/wmi.h') diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h new file mode 100644 index 000000000000..39ef926f27c2 --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -0,0 +1,126 @@ +/* + * Copyright (c) 2010 Atheros Communications Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef WMI_H +#define WMI_H + + +struct wmi_event_txrate { + u32 txrate; + struct { + u8 rssi_thresh; + u8 per; + } rc_stats; +} __packed; + +struct wmi_cmd_hdr { + u16 command_id; + u16 seq_no; +} __packed; + +struct wmi_swba { + u8 beacon_pending; +} __packed; + +enum wmi_cmd_id { + WMI_ECHO_CMDID = 0x0001, + WMI_ACCESS_MEMORY_CMDID, + + /* Commands to Target */ + WMI_DISABLE_INTR_CMDID, + WMI_ENABLE_INTR_CMDID, + WMI_RX_LINK_CMDID, + WMI_ATH_INIT_CMDID, + WMI_ABORT_TXQ_CMDID, + WMI_STOP_TX_DMA_CMDID, + WMI_STOP_DMA_RECV_CMDID, + WMI_ABORT_TX_DMA_CMDID, + WMI_DRAIN_TXQ_CMDID, + WMI_DRAIN_TXQ_ALL_CMDID, + WMI_START_RECV_CMDID, + WMI_STOP_RECV_CMDID, + WMI_FLUSH_RECV_CMDID, + WMI_SET_MODE_CMDID, + WMI_RESET_CMDID, + WMI_NODE_CREATE_CMDID, + WMI_NODE_REMOVE_CMDID, + WMI_VAP_REMOVE_CMDID, + WMI_VAP_CREATE_CMDID, + WMI_BEACON_UPDATE_CMDID, + WMI_REG_READ_CMDID, + WMI_REG_WRITE_CMDID, + WMI_RC_STATE_CHANGE_CMDID, + WMI_RC_RATE_UPDATE_CMDID, + WMI_DEBUG_INFO_CMDID, + WMI_HOST_ATTACH, + WMI_TARGET_IC_UPDATE_CMDID, + WMI_TGT_STATS_CMDID, + WMI_TX_AGGR_ENABLE_CMDID, + WMI_TGT_DETACH_CMDID, + WMI_TGT_TXQ_ENABLE_CMDID, +}; + +enum wmi_event_id { + WMI_TGT_RDY_EVENTID = 0x1001, + WMI_SWBA_EVENTID, + WMI_FATAL_EVENTID, + WMI_TXTO_EVENTID, + WMI_BMISS_EVENTID, + WMI_WLAN_TXCOMP_EVENTID, + WMI_DELBA_EVENTID, + WMI_TXRATE_EVENTID, +}; + +struct wmi { + struct ath9k_htc_priv *drv_priv; + struct htc_target *htc; + enum htc_endpoint_id ctrl_epid; + struct mutex op_mutex; + struct completion cmd_wait; + u16 tx_seq_id; + u8 *cmd_rsp_buf; + u32 cmd_rsp_len; + bool stopped; + + struct sk_buff *wmi_skb; + spinlock_t wmi_lock; +}; + +struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv); +void ath9k_deinit_wmi(struct ath9k_htc_priv *priv); +int ath9k_wmi_connect(struct htc_target *htc, struct wmi *wmi, + enum htc_endpoint_id *wmi_ctrl_epid); +int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, + u8 *cmd_buf, u32 cmd_len, + u8 *rsp_buf, u32 rsp_len, + u32 timeout); +void ath9k_wmi_tasklet(unsigned long data); + +#define WMI_CMD(_wmi_cmd) \ + do { \ + ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, NULL, 0, \ + (u8 *) &cmd_rsp, \ + sizeof(cmd_rsp), HZ); \ + } while (0) + +#define WMI_CMD_BUF(_wmi_cmd, _buf) \ + do { \ + ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, \ + (u8 *) _buf, sizeof(*_buf), \ + &cmd_rsp, sizeof(cmd_rsp), HZ); \ + } while (0) + +#endif /* WMI_H */ -- cgit v1.2.3 From 4a22fe108e62367c10c3abeb469d6972ba3299f5 Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 16 Apr 2010 11:53:53 +0530 Subject: ath9k_htc: Implement multiple register write support This patch adds support for writing multiple registers in a single USB command. Specific calls from the HW code that performs multiple register writes would be modified to make use of this in subsequent patches. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/htc_drv_init.c | 104 +++++++++++++++++++++++++- drivers/net/wireless/ath/ath9k/wmi.c | 1 + drivers/net/wireless/ath/ath9k/wmi.h | 12 +++ 3 files changed, 113 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath/ath9k/wmi.h') diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index aed53573c547..a86189629d92 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -213,7 +213,7 @@ static int ath9k_reg_notifier(struct wiphy *wiphy, ath9k_hw_regulatory(priv->ah)); } -static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset) +static unsigned int ath9k_regread(void *hw_priv, u32 reg_offset) { struct ath_hw *ah = (struct ath_hw *) hw_priv; struct ath_common *common = ath9k_hw_common(ah); @@ -235,7 +235,7 @@ static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset) return be32_to_cpu(val); } -static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset) +static void ath9k_regwrite_single(void *hw_priv, u32 val, u32 reg_offset) { struct ath_hw *ah = (struct ath_hw *) hw_priv; struct ath_common *common = ath9k_hw_common(ah); @@ -257,9 +257,105 @@ static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset) } } +static void ath9k_regwrite_buffer(void *hw_priv, u32 val, u32 reg_offset) +{ + struct ath_hw *ah = (struct ath_hw *) hw_priv; + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; + u32 rsp_status; + int r; + + mutex_lock(&priv->wmi->multi_write_mutex); + + /* Store the register/value */ + priv->wmi->multi_write[priv->wmi->multi_write_idx].reg = + cpu_to_be32(reg_offset); + priv->wmi->multi_write[priv->wmi->multi_write_idx].val = + cpu_to_be32(val); + + priv->wmi->multi_write_idx++; + + /* If the buffer is full, send it out. */ + if (priv->wmi->multi_write_idx == MAX_CMD_NUMBER) { + r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, + (u8 *) &priv->wmi->multi_write, + sizeof(struct register_write) * priv->wmi->multi_write_idx, + (u8 *) &rsp_status, sizeof(rsp_status), + 100); + if (unlikely(r)) { + ath_print(common, ATH_DBG_WMI, + "REGISTER WRITE FAILED, multi len: %d\n", + priv->wmi->multi_write_idx); + } + priv->wmi->multi_write_idx = 0; + } + + mutex_unlock(&priv->wmi->multi_write_mutex); +} + +static void ath9k_regwrite(void *hw_priv, u32 val, u32 reg_offset) +{ + struct ath_hw *ah = (struct ath_hw *) hw_priv; + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; + + if (atomic_read(&priv->wmi->mwrite_cnt)) + ath9k_regwrite_buffer(hw_priv, val, reg_offset); + else + ath9k_regwrite_single(hw_priv, val, reg_offset); +} + +static void ath9k_enable_regwrite_buffer(void *hw_priv) +{ + struct ath_hw *ah = (struct ath_hw *) hw_priv; + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; + + atomic_inc(&priv->wmi->mwrite_cnt); +} + +static void ath9k_disable_regwrite_buffer(void *hw_priv) +{ + struct ath_hw *ah = (struct ath_hw *) hw_priv; + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; + + atomic_dec(&priv->wmi->mwrite_cnt); +} + +static void ath9k_regwrite_flush(void *hw_priv) +{ + struct ath_hw *ah = (struct ath_hw *) hw_priv; + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; + u32 rsp_status; + int r; + + mutex_lock(&priv->wmi->multi_write_mutex); + + if (priv->wmi->multi_write_idx) { + r = ath9k_wmi_cmd(priv->wmi, WMI_REG_WRITE_CMDID, + (u8 *) &priv->wmi->multi_write, + sizeof(struct register_write) * priv->wmi->multi_write_idx, + (u8 *) &rsp_status, sizeof(rsp_status), + 100); + if (unlikely(r)) { + ath_print(common, ATH_DBG_WMI, + "REGISTER WRITE FAILED, multi len: %d\n", + priv->wmi->multi_write_idx); + } + priv->wmi->multi_write_idx = 0; + } + + mutex_unlock(&priv->wmi->multi_write_mutex); +} + static const struct ath_ops ath9k_common_ops = { - .read = ath9k_ioread32, - .write = ath9k_iowrite32, + .read = ath9k_regread, + .write = ath9k_regwrite, + .enable_write_buffer = ath9k_enable_regwrite_buffer, + .disable_write_buffer = ath9k_disable_regwrite_buffer, + .write_flush = ath9k_regwrite_flush, }; static void ath_usb_read_cachesize(struct ath_common *common, int *csz) diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index f2ff18cf3e60..355e0dbf3c66 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -101,6 +101,7 @@ struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv) wmi->drv_priv = priv; wmi->stopped = false; mutex_init(&wmi->op_mutex); + mutex_init(&wmi->multi_write_mutex); init_completion(&wmi->cmd_wait); return wmi; diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index 39ef926f27c2..fd8c9c5f4a05 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -84,6 +84,13 @@ enum wmi_event_id { WMI_TXRATE_EVENTID, }; +#define MAX_CMD_NUMBER 62 + +struct register_write { + u32 reg; + u32 val; +}; + struct wmi { struct ath9k_htc_priv *drv_priv; struct htc_target *htc; @@ -97,6 +104,11 @@ struct wmi { struct sk_buff *wmi_skb; spinlock_t wmi_lock; + + atomic_t mwrite_cnt; + struct register_write multi_write[MAX_CMD_NUMBER]; + u32 multi_write_idx; + struct mutex multi_write_mutex; }; struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv); -- cgit v1.2.3 From 6ce34ec11c6297562e70e27c57a24cd27d4cd2b1 Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 16 Apr 2010 11:54:01 +0530 Subject: ath9k_htc: Handle WMI timeouts properly If a WMI command has timed out for some reason, a late WMI response would end up updating the response region of a new WMI request that has been issued in the meantime. Fix this race condition by dropping a WMI response if a new WMI command has been issued. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/wmi.c | 13 +++++++++++++ drivers/net/wireless/ath/ath9k/wmi.h | 1 + 2 files changed, 14 insertions(+) (limited to 'drivers/net/wireless/ath/ath9k/wmi.h') diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index 355e0dbf3c66..afbf63daf551 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -204,6 +204,14 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb, return; } + /* Check if there has been a timeout. */ + spin_lock(&wmi->wmi_lock); + if (cmd_id != wmi->last_cmd_id) { + spin_unlock(&wmi->wmi_lock); + goto free_skb; + } + spin_unlock(&wmi->wmi_lock); + /* WMI command response */ ath9k_wmi_rsp_callback(wmi, skb); @@ -266,6 +274,7 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, struct sk_buff *skb; u8 *data; int time_left, ret = 0; + unsigned long flags; if (!wmi) return -EINVAL; @@ -297,6 +306,10 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id, if (ret) goto out; + spin_lock_irqsave(&wmi->wmi_lock, flags); + wmi->last_cmd_id = cmd_id; + spin_unlock_irqrestore(&wmi->wmi_lock, flags); + time_left = wait_for_completion_timeout(&wmi->cmd_wait, timeout); if (!time_left) { ath_print(common, ATH_DBG_WMI, diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index fd8c9c5f4a05..611357158ecf 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -97,6 +97,7 @@ struct wmi { enum htc_endpoint_id ctrl_epid; struct mutex op_mutex; struct completion cmd_wait; + enum wmi_cmd_id last_cmd_id; u16 tx_seq_id; u8 *cmd_rsp_buf; u32 cmd_rsp_len; -- cgit v1.2.3 From 7f1f5a0060e377ff6a15903487b39223e12b8568 Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 16 Apr 2010 11:54:03 +0530 Subject: ath9k_htc: Fix sparse endian warnings This patch fixes a bunch of endian issues that were exposed by sparse. It's a miracle that the driver worked at all till now. The Lord be praised. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/htc.h | 18 +++++++++--------- drivers/net/wireless/ath/ath9k/htc_drv_beacon.c | 6 ++++-- drivers/net/wireless/ath/ath9k/htc_drv_main.c | 14 ++++++++------ drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 11 +++-------- drivers/net/wireless/ath/ath9k/htc_hst.c | 8 ++++---- drivers/net/wireless/ath/ath9k/htc_hst.h | 24 ++++++++++++------------ drivers/net/wireless/ath/ath9k/mac.h | 10 +++++----- drivers/net/wireless/ath/ath9k/wmi.c | 2 +- drivers/net/wireless/ath/ath9k/wmi.h | 10 +++++----- 9 files changed, 51 insertions(+), 52 deletions(-) (limited to 'drivers/net/wireless/ath/ath9k/wmi.h') diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 6a4614a8701b..c765ff4a505c 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -124,13 +124,13 @@ struct ath9k_htc_cap_target { struct ath9k_htc_target_vif { u8 index; u8 des_bssid[ETH_ALEN]; - enum htc_opmode opmode; + __be32 opmode; u8 myaddr[ETH_ALEN]; u8 bssid[ETH_ALEN]; u32 flags; u32 flags_ext; u16 ps_sta; - u16 rtsthreshold; + __be16 rtsthreshold; u8 ath_cap; u8 node; s8 mcast_rate; @@ -151,7 +151,7 @@ struct ath9k_htc_target_sta { u8 sta_index; u8 vif_index; u8 vif_sta; - u16 flags; /* ATH_HTC_STA_* */ + __be16 flags; /* ATH_HTC_STA_* */ u16 htcap; u8 valid; u16 capinfo; @@ -191,16 +191,16 @@ struct ath9k_htc_rate { struct ath9k_htc_target_rate { u8 sta_index; u8 isnew; - u32 capflags; + __be32 capflags; struct ath9k_htc_rate rates; }; struct ath9k_htc_target_stats { - u32 tx_shortretry; - u32 tx_longretry; - u32 tx_xretries; - u32 ht_txunaggr_xretry; - u32 ht_tx_xretries; + __be32 tx_shortretry; + __be32 tx_longretry; + __be32 tx_xretries; + __be32 ht_txunaggr_xretry; + __be32 ht_tx_xretries; } __packed; struct ath9k_htc_vif { diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c index d10402864b76..7cb55f5b071c 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_beacon.c @@ -26,7 +26,8 @@ static void ath9k_htc_beacon_config_sta(struct ath9k_htc_priv *priv, enum ath9k_int imask = 0; int dtimperiod, dtimcount, sleepduration; int cfpperiod, cfpcount, bmiss_timeout; - u32 nexttbtt = 0, intval, tsftu, htc_imask = 0; + u32 nexttbtt = 0, intval, tsftu; + __be32 htc_imask = 0; u64 tsf; int num_beacons, offset, dtim_dec_count, cfp_dec_count; int ret; @@ -142,7 +143,8 @@ static void ath9k_htc_beacon_config_adhoc(struct ath9k_htc_priv *priv, { struct ath_common *common = ath9k_hw_common(priv->ah); enum ath9k_int imask = 0; - u32 nexttbtt, intval, htc_imask = 0; + u32 nexttbtt, intval; + __be32 htc_imask = 0; int ret; u8 cmd_rsp; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 081f44504285..ec7bcc8696ec 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -125,7 +125,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv, bool fastcc = true; struct ieee80211_channel *channel = hw->conf.channel; enum htc_phymode mode; - u16 htc_mode; + __be16 htc_mode; u8 cmd_rsp; int ret; @@ -378,7 +378,7 @@ static int ath9k_htc_init_rate(struct ath9k_htc_priv *priv, priv->tgt_rate.sta_index = ista->index; priv->tgt_rate.isnew = 1; trate = priv->tgt_rate; - priv->tgt_rate.capflags = caps; + priv->tgt_rate.capflags = cpu_to_be32(caps); trate.capflags = cpu_to_be32(caps); WMI_CMD_BUF(WMI_RC_RATE_UPDATE_CMDID, &trate); @@ -426,6 +426,7 @@ static void ath9k_htc_rc_update(struct ath9k_htc_priv *priv, bool is_cw40) struct ath9k_htc_target_rate trate; struct ath_common *common = ath9k_hw_common(priv->ah); int ret; + u32 caps = be32_to_cpu(priv->tgt_rate.capflags); u8 cmd_rsp; memset(&trate, 0, sizeof(trate)); @@ -433,11 +434,12 @@ static void ath9k_htc_rc_update(struct ath9k_htc_priv *priv, bool is_cw40) trate = priv->tgt_rate; if (is_cw40) - priv->tgt_rate.capflags |= WLAN_RC_40_FLAG; + caps |= WLAN_RC_40_FLAG; else - priv->tgt_rate.capflags &= ~WLAN_RC_40_FLAG; + caps &= ~WLAN_RC_40_FLAG; - trate.capflags = cpu_to_be32(priv->tgt_rate.capflags); + priv->tgt_rate.capflags = cpu_to_be32(caps); + trate.capflags = cpu_to_be32(caps); WMI_CMD_BUF(WMI_RC_RATE_UPDATE_CMDID, &trate); if (ret) { @@ -1104,7 +1106,7 @@ static int ath9k_htc_start(struct ieee80211_hw *hw) struct ath9k_channel *init_channel; int ret = 0; enum htc_phymode mode; - u16 htc_mode; + __be16 htc_mode; u8 cmd_rsp; ath_print(common, ATH_DBG_CONFIG, diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 0a7cb30af5b4..2c3c51007dd3 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -530,7 +530,7 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, priv->ah->stats.avgbrssi = rxbuf->rxstatus.rs_rssi; } - rx_status->mactime = rxbuf->rxstatus.rs_tstamp; + rx_status->mactime = be64_to_cpu(rxbuf->rxstatus.rs_tstamp); rx_status->band = hw->conf.channel->band; rx_status->freq = hw->conf.channel->center_freq; rx_status->signal = rxbuf->rxstatus.rs_rssi + ATH_DEFAULT_NOISE_FLOOR; @@ -634,13 +634,8 @@ void ath9k_htc_rxep(void *drv_priv, struct sk_buff *skb, rxstatus = (struct ath_htc_rx_status *)skb->data; - rxstatus->rs_tstamp = be64_to_cpu(rxstatus->rs_tstamp); - rxstatus->rs_datalen = be16_to_cpu(rxstatus->rs_datalen); - rxstatus->evm0 = be32_to_cpu(rxstatus->evm0); - rxstatus->evm1 = be32_to_cpu(rxstatus->evm1); - rxstatus->evm2 = be32_to_cpu(rxstatus->evm2); - - if (rxstatus->rs_datalen - (len - HTC_RX_FRAME_HEADER_SIZE) != 0) { + if (be16_to_cpu(rxstatus->rs_datalen) - + (len - HTC_RX_FRAME_HEADER_SIZE) != 0) { ath_print(common, ATH_DBG_FATAL, "Corrupted RX data len, dropping " "(epid: %d, dlen: %d, skblen: %d)\n", diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index 587d98ed0989..f2dca258bdc2 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -368,7 +368,7 @@ void ath9k_htc_rx_msg(struct htc_target *htc_handle, struct htc_frame_hdr *htc_hdr; enum htc_endpoint_id epid; struct htc_endpoint *endpoint; - u16 *msg_id; + __be16 *msg_id; if (!htc_handle || !skb) return; @@ -388,14 +388,14 @@ void ath9k_htc_rx_msg(struct htc_target *htc_handle, /* Handle trailer */ if (htc_hdr->flags & HTC_FLAGS_RECV_TRAILER) { - if (be32_to_cpu(*(u32 *) skb->data) == 0x00C60000) + if (be32_to_cpu(*(__be32 *) skb->data) == 0x00C60000) /* Move past the Watchdog pattern */ htc_hdr = (struct htc_frame_hdr *)(skb->data + 4); } /* Get the message ID */ - msg_id = (u16 *) ((void *) htc_hdr + - sizeof(struct htc_frame_hdr)); + msg_id = (__be16 *) ((void *) htc_hdr + + sizeof(struct htc_frame_hdr)); /* Now process HTC messages */ switch (be16_to_cpu(*msg_id)) { diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.h b/drivers/net/wireless/ath/ath9k/htc_hst.h index cd7048ffd239..ea50ab032d20 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.h +++ b/drivers/net/wireless/ath/ath9k/htc_hst.h @@ -59,20 +59,20 @@ enum htc_endpoint_id { struct htc_frame_hdr { u8 endpoint_id; u8 flags; - u16 payload_len; + __be16 payload_len; u8 control[4]; } __packed; struct htc_ready_msg { - u16 message_id; - u16 credits; - u16 credit_size; + __be16 message_id; + __be16 credits; + __be16 credit_size; u8 max_endpoints; u8 pad; } __packed; struct htc_config_pipe_msg { - u16 message_id; + __be16 message_id; u8 pipe_id; u8 credits; } __packed; @@ -192,9 +192,9 @@ enum htc_service_group_ids{ #define WMI_DATA_BK_SVC MAKE_SERVICE_ID(WMI_SERVICE_GROUP, 8) struct htc_conn_svc_msg { - u16 msg_id; - u16 service_id; - u16 con_flags; + __be16 msg_id; + __be16 service_id; + __be16 con_flags; u8 dl_pipeid; u8 ul_pipeid; u8 svc_meta_len; @@ -209,17 +209,17 @@ struct htc_conn_svc_msg { #define HTC_SERVICE_NO_MORE_EP 4 struct htc_conn_svc_rspmsg { - u16 msg_id; - u16 service_id; + __be16 msg_id; + __be16 service_id; u8 status; u8 endpoint_id; - u16 max_msg_len; + __be16 max_msg_len; u8 svc_meta_len; u8 pad; } __packed; struct htc_comp_msg { - u16 msg_id; + __be16 msg_id; } __packed; int htc_init(struct htc_target *target); diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h index 68eb8d0b92eb..66d0d5e56149 100644 --- a/drivers/net/wireless/ath/ath9k/mac.h +++ b/drivers/net/wireless/ath/ath9k/mac.h @@ -155,8 +155,8 @@ struct ath_rx_status { }; struct ath_htc_rx_status { - u64 rs_tstamp; - u16 rs_datalen; + __be64 rs_tstamp; + __be16 rs_datalen; u8 rs_status; u8 rs_phyerr; int8_t rs_rssi; @@ -175,9 +175,9 @@ struct ath_htc_rx_status { u8 rs_num_delims; u8 rs_flags; u8 rs_dummy; - u32 evm0; - u32 evm1; - u32 evm2; + __be32 evm0; + __be32 evm1; + __be32 evm2; }; #define ATH9K_RXERR_CRC 0x01 diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index afbf63daf551..dc6c6fc2e095 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -129,7 +129,7 @@ void ath9k_wmi_tasklet(unsigned long data) void *wmi_event; unsigned long flags; #ifdef CONFIG_ATH9K_HTC_DEBUGFS - u32 txrate; + __be32 txrate; #endif spin_lock_irqsave(&priv->wmi->wmi_lock, flags); diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index 611357158ecf..167e15c50062 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -19,7 +19,7 @@ struct wmi_event_txrate { - u32 txrate; + __be32 txrate; struct { u8 rssi_thresh; u8 per; @@ -27,8 +27,8 @@ struct wmi_event_txrate { } __packed; struct wmi_cmd_hdr { - u16 command_id; - u16 seq_no; + __be16 command_id; + __be16 seq_no; } __packed; struct wmi_swba { @@ -87,8 +87,8 @@ enum wmi_event_id { #define MAX_CMD_NUMBER 62 struct register_write { - u32 reg; - u32 val; + __be32 reg; + __be32 val; }; struct wmi { -- cgit v1.2.3 From ba44370175d2e743065382508ed7823cc83cea0a Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 23 Apr 2010 10:28:18 +0530 Subject: ath9k_htc: Increase WMI timeout value Completion of WMI commands take a longer time on some platforms. Increase the timeout value to handle this. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/wmi.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath/ath9k/wmi.h') diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index 167e15c50062..765db5faa2d3 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -126,14 +126,14 @@ void ath9k_wmi_tasklet(unsigned long data); do { \ ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, NULL, 0, \ (u8 *) &cmd_rsp, \ - sizeof(cmd_rsp), HZ); \ + sizeof(cmd_rsp), HZ*2); \ } while (0) #define WMI_CMD_BUF(_wmi_cmd, _buf) \ do { \ ret = ath9k_wmi_cmd(priv->wmi, _wmi_cmd, \ (u8 *) _buf, sizeof(*_buf), \ - &cmd_rsp, sizeof(cmd_rsp), HZ); \ + &cmd_rsp, sizeof(cmd_rsp), HZ*2); \ } while (0) #endif /* WMI_H */ -- cgit v1.2.3