Merge branch 'for-linville' of git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx

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

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 @@ int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime)
 	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;

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);

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]);

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 @@ int wl1271_cmd_remove_sta(struct wl1271 *wl, u8 hlid)
 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;
+}

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__ */

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;
 };
 

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:

drivers/net/wireless/wl12xx/event.c

@@ -133,10 +133,13 @@ static int wl1271_event_ps_report(struct wl1271 *wl,
 		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 (ret < 0)
-			break;
 
 		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

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 {

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;
 }
 

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"
@@ -128,11 +127,13 @@ EXPORT_SYMBOL_GPL(wl1271_set_partition);
 
 void wl1271_io_reset(struct wl1271 *wl)
 {
+	if (wl->if_ops->reset)
 		wl->if_ops->reset(wl);
 }
 
 void wl1271_io_init(struct wl1271 *wl)
 {
+	if (wl->if_ops->init)
 		wl->if_ops->init(wl);
 }
 

drivers/net/wireless/wl12xx/io.h

@@ -128,6 +128,20 @@ 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));

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 */
+		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++;
 		}
 	}

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,
+			if (wl1271_rx_handle_data(wl,
 						  wl->aggr_buf + pkt_offset,
-					      pkt_length);
+						  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)

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;

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;

drivers/net/wireless/wl12xx/scan.h

@@ -112,18 +112,13 @@ 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,
@@ -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;
 
 

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 */
+	/* 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 < 0)
+		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);
+	ret = enable_irq_wake(wl->irq);
+	if (!ret) {
+		wl->irq_wake_enabled = true;
 		device_init_wakeup(wl1271_sdio_wl_to_dev(wl), 1);
 
-	disable_irq(wl->irq);
-
 		/* 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;
+	}
+	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);
+	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);

drivers/net/wireless/wl12xx/spi.c

@@ -435,8 +435,6 @@ static int __devinit wl1271_probe(struct spi_device *spi)
 	if (ret)
 		goto out_irq;
 
-	wl1271_notice("initialized");
-
 	return 0;
 
  out_irq:
@@ -473,23 +471,12 @@ 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);

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;
 }

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 @@ void wl1271_tx_work_locked(struct wl1271 *wl)
 
 		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);
 		}
 	}
 }

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