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

17 files changed, 332 insertions, 109 deletions

diff --git a/drivers/net/wireless/ti/wl12xx/cmd.c b/drivers/net/wireless/ti/wl12xx/cmd.c
index 50ba748..30be784 100644
--- a/drivers/net/wireless/ti/wl12xx/cmd.c
+++ b/drivers/net/wireless/ti/wl12xx/cmd.c
@@ -174,7 +174,7 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl)
 	struct wl1271_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs;
 	struct wl1271_radio_parms_cmd *radio_parms;
 	struct wl1271_ini_general_params *gp = &nvs->general_params;
-	int ret;
+	int ret, fem_idx;
 
 	if (!wl->nvs)
 		return -ENODEV;
@@ -185,11 +185,13 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl)
 
 	radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
 
+	fem_idx = WL12XX_FEM_TO_NVS_ENTRY(gp->tx_bip_fem_manufacturer);
+
 	/* 2.4GHz parameters */
 	memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2,
 	       sizeof(struct wl1271_ini_band_params_2));
 	memcpy(&radio_parms->dyn_params_2,
-	       &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
+	       &nvs->dyn_radio_params_2[fem_idx].params,
 	       sizeof(struct wl1271_ini_fem_params_2));
 
 	/* 5GHz parameters */
@@ -197,7 +199,7 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl)
 	       &nvs->stat_radio_params_5,
 	       sizeof(struct wl1271_ini_band_params_5));
 	memcpy(&radio_parms->dyn_params_5,
-	       &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
+	       &nvs->dyn_radio_params_5[fem_idx].params,
 	       sizeof(struct wl1271_ini_fem_params_5));
 
 	wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
@@ -216,7 +218,7 @@ int wl128x_cmd_radio_parms(struct wl1271 *wl)
 	struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs;
 	struct wl128x_radio_parms_cmd *radio_parms;
 	struct wl128x_ini_general_params *gp = &nvs->general_params;
-	int ret;
+	int ret, fem_idx;
 
 	if (!wl->nvs)
 		return -ENODEV;
@@ -227,11 +229,13 @@ int wl128x_cmd_radio_parms(struct wl1271 *wl)
 
 	radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
 
+	fem_idx = WL12XX_FEM_TO_NVS_ENTRY(gp->tx_bip_fem_manufacturer);
+
 	/* 2.4GHz parameters */
 	memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2,
 	       sizeof(struct wl128x_ini_band_params_2));
 	memcpy(&radio_parms->dyn_params_2,
-	       &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
+	       &nvs->dyn_radio_params_2[fem_idx].params,
 	       sizeof(struct wl128x_ini_fem_params_2));
 
 	/* 5GHz parameters */
@@ -239,7 +243,7 @@ int wl128x_cmd_radio_parms(struct wl1271 *wl)
 	       &nvs->stat_radio_params_5,
 	       sizeof(struct wl128x_ini_band_params_5));
 	memcpy(&radio_parms->dyn_params_5,
-	       &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
+	       &nvs->dyn_radio_params_5[fem_idx].params,
 	       sizeof(struct wl128x_ini_fem_params_5));
 
 	radio_parms->fem_vendor_and_options = nvs->fem_vendor_and_options;
diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index 85d1600..0d2fdca 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -246,6 +246,7 @@ static struct wlcore_conf wl12xx_conf = {
 		.forced_ps                   = false,
 		.keep_alive_interval         = 55000,
 		.max_listen_interval         = 20,
+		.sta_sleep_auth              = WL1271_PSM_ILLEGAL,
 	},
 	.itrim = {
 		.enable = false,
@@ -1448,10 +1449,8 @@ static int __devinit wl12xx_probe(struct platform_device *pdev)
 	wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0;
 	wl->fw_status_priv_len = 0;
 	wl->stats.fw_stats_len = sizeof(struct wl12xx_acx_statistics);
-	memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ], &wl12xx_ht_cap,
-	       sizeof(wl12xx_ht_cap));
-	memcpy(&wl->ht_cap[IEEE80211_BAND_5GHZ], &wl12xx_ht_cap,
-	       sizeof(wl12xx_ht_cap));
+	wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ, &wl12xx_ht_cap);
+	wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ, &wl12xx_ht_cap);
 	wl12xx_conf_init(wl);
 
 	if (!fref_param) {
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
index ed9c365..271ff81 100644
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -43,10 +43,11 @@
 
 #define WL18XX_RX_CHECKSUM_MASK      0x40
 
-static char *ht_mode_param = "wide";
+static char *ht_mode_param = "default";
 static char *board_type_param = "hdk";
 static bool checksum_param = false;
 static bool enable_11a_param = true;
+static int num_rx_desc_param = -1;
 
 /* phy paramters */
 static int dc2dc_param = -1;
@@ -372,6 +373,7 @@ static struct wlcore_conf wl18xx_conf = {
 		.forced_ps                   = false,
 		.keep_alive_interval         = 55000,
 		.max_listen_interval         = 20,
+		.sta_sleep_auth              = WL1271_PSM_ILLEGAL,
 	},
 	.itrim = {
 		.enable = false,
@@ -606,8 +608,8 @@ static int wl18xx_identify_chip(struct wl1271 *wl)
 		wl->plt_fw_name = WL18XX_FW_NAME;
 		wl->quirks |= WLCORE_QUIRK_NO_ELP |
 			      WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN |
+			      WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN |
 			      WLCORE_QUIRK_TX_PAD_LAST_FRAME;
-
 		break;
 	case CHIP_ID_185x_PG10:
 		wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG10)",
@@ -1021,8 +1023,7 @@ static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev)
 	}
 
 	if (fw->size != WL18XX_CONF_SIZE) {
-		wl1271_error("configuration binary file size is wrong, "
-			     "expected %ld got %zd",
+		wl1271_error("configuration binary file size is wrong, expected %zu got %zu",
 			     WL18XX_CONF_SIZE, fw->size);
 		ret = -EINVAL;
 		goto out;
@@ -1214,8 +1215,8 @@ static struct wlcore_ops wl18xx_ops = {
 	.pre_pkt_send	= wl18xx_pre_pkt_send,
 };
 
-/* HT cap appropriate for wide channels */
-static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap = {
+/* HT cap appropriate for wide channels in 2Ghz */
+static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_2ghz = {
 	.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
 	       IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40,
 	.ht_supported = true,
@@ -1228,40 +1229,42 @@ static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap = {
 		},
 };
 
-/* HT cap appropriate for SISO 20 */
-static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
-	.cap = IEEE80211_HT_CAP_SGI_20,
+/* HT cap appropriate for wide channels in 5Ghz */
+static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap_5ghz = {
+	.cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
+	       IEEE80211_HT_CAP_SUP_WIDTH_20_40,
 	.ht_supported = true,
 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
 	.mcs = {
 		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
-		.rx_highest = cpu_to_le16(72),
+		.rx_highest = cpu_to_le16(150),
 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
 		},
 };
 
-/* HT cap appropriate for MIMO rates in 20mhz channel */
-static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
+/* HT cap appropriate for SISO 20 */
+static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = {
 	.cap = IEEE80211_HT_CAP_SGI_20,
 	.ht_supported = true,
 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
 	.mcs = {
-		.rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
-		.rx_highest = cpu_to_le16(144),
+		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
+		.rx_highest = cpu_to_le16(72),
 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
 		},
 };
 
-static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_5ghz = {
+/* HT cap appropriate for MIMO rates in 20mhz channel */
+static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = {
 	.cap = IEEE80211_HT_CAP_SGI_20,
 	.ht_supported = true,
 	.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K,
 	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
 	.mcs = {
-		.rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
-		.rx_highest = cpu_to_le16(72),
+		.rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, },
+		.rx_highest = cpu_to_le16(144),
 		.tx_params = IEEE80211_HT_MCS_TX_DEFINED,
 		},
 };
@@ -1286,7 +1289,7 @@ static int __devinit wl18xx_probe(struct platform_device *pdev)
 	wl->ptable = wl18xx_ptable;
 	wl->rtable = wl18xx_rtable;
 	wl->num_tx_desc = 32;
-	wl->num_rx_desc = 16;
+	wl->num_rx_desc = 32;
 	wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
 	wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
 	wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
@@ -1294,32 +1297,8 @@ static int __devinit wl18xx_probe(struct platform_device *pdev)
 	wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);
 	wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);
 
-	if (!strcmp(ht_mode_param, "wide")) {
-		memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ],
-		       &wl18xx_siso40_ht_cap,
-		       sizeof(wl18xx_siso40_ht_cap));
-		memcpy(&wl->ht_cap[IEEE80211_BAND_5GHZ],
-		       &wl18xx_siso40_ht_cap,
-		       sizeof(wl18xx_siso40_ht_cap));
-	} else if (!strcmp(ht_mode_param, "mimo")) {
-		memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ],
-		       &wl18xx_mimo_ht_cap_2ghz,
-		       sizeof(wl18xx_mimo_ht_cap_2ghz));
-		memcpy(&wl->ht_cap[IEEE80211_BAND_5GHZ],
-		       &wl18xx_mimo_ht_cap_5ghz,
-		       sizeof(wl18xx_mimo_ht_cap_5ghz));
-	} else if (!strcmp(ht_mode_param, "siso20")) {
-		memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ],
-		       &wl18xx_siso20_ht_cap,
-		       sizeof(wl18xx_siso20_ht_cap));
-		memcpy(&wl->ht_cap[IEEE80211_BAND_5GHZ],
-		       &wl18xx_siso20_ht_cap,
-		       sizeof(wl18xx_siso20_ht_cap));
-	} else {
-		wl1271_error("invalid ht_mode '%s'", ht_mode_param);
-		ret = -EINVAL;
-		goto out_free;
-	}
+	if (num_rx_desc_param != -1)
+		wl->num_rx_desc = num_rx_desc_param;
 
 	ret = wl18xx_conf_init(wl, &pdev->dev);
 	if (ret < 0)
@@ -1366,6 +1345,37 @@ static int __devinit wl18xx_probe(struct platform_device *pdev)
 	if (dc2dc_param != -1)
 		priv->conf.phy.external_pa_dc2dc = dc2dc_param;
 
+	if (!strcmp(ht_mode_param, "default")) {
+		/*
+		 * Only support mimo with multiple antennas. Fall back to
+		 * siso20.
+		 */
+		if (priv->conf.phy.number_of_assembled_ant2_4 >= 2)
+			wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
+					  &wl18xx_mimo_ht_cap_2ghz);
+		else
+			wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
+					  &wl18xx_siso20_ht_cap);
+
+		/* 5Ghz is always wide */
+		wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
+				  &wl18xx_siso40_ht_cap_5ghz);
+	} else if (!strcmp(ht_mode_param, "wide")) {
+		wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
+				  &wl18xx_siso40_ht_cap_2ghz);
+		wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
+				  &wl18xx_siso40_ht_cap_5ghz);
+	} else if (!strcmp(ht_mode_param, "siso20")) {
+		wlcore_set_ht_cap(wl, IEEE80211_BAND_2GHZ,
+				  &wl18xx_siso20_ht_cap);
+		wlcore_set_ht_cap(wl, IEEE80211_BAND_5GHZ,
+				  &wl18xx_siso20_ht_cap);
+	} else {
+		wl1271_error("invalid ht_mode '%s'", ht_mode_param);
+		ret = -EINVAL;
+		goto out_free;
+	}
+
 	if (!checksum_param) {
 		wl18xx_ops.set_rx_csum = NULL;
 		wl18xx_ops.init_vif = NULL;
@@ -1410,7 +1420,7 @@ static void __exit wl18xx_exit(void)
 module_exit(wl18xx_exit);
 
 module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR);
-MODULE_PARM_DESC(ht_mode, "Force HT mode: wide (default), mimo or siso20");
+MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or siso20");
 
 module_param_named(board_type, board_type_param, charp, S_IRUSR);
 MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or "
@@ -1458,6 +1468,11 @@ module_param_named(pwr_limit_reference_11_abg,
 MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "
 		 "(default is 0xc8)");
 
+module_param_named(num_rx_desc,
+		   num_rx_desc_param, int, S_IRUSR);
+MODULE_PARM_DESC(num_rx_desc_param,
+		 "Number of Rx descriptors: u8 (default is 32)");
+
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
 MODULE_FIRMWARE(WL18XX_FW_NAME);
diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c
index b9ec42c..ce108a7 100644
--- a/drivers/net/wireless/ti/wlcore/acx.c
+++ b/drivers/net/wireless/ti/wlcore/acx.c
@@ -70,7 +70,7 @@ int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
 	struct acx_sleep_auth *auth;
 	int ret;
 
-	wl1271_debug(DEBUG_ACX, "acx sleep auth");
+	wl1271_debug(DEBUG_ACX, "acx sleep auth %d", sleep_auth);
 
 	auth = kzalloc(sizeof(*auth), GFP_KERNEL);
 	if (!auth) {
@@ -81,7 +81,13 @@ int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth)
 	auth->sleep_auth = sleep_auth;
 
 	ret = wl1271_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));
+	if (ret < 0) {
+		wl1271_error("could not configure sleep_auth to %d: %d",
+			     sleep_auth, ret);
+		goto out;
+	}
 
+	wl->sleep_auth = sleep_auth;
 out:
 	kfree(auth);
 	return ret;
diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h
index c018125..d03215d 100644
--- a/drivers/net/wireless/ti/wlcore/acx.h
+++ b/drivers/net/wireless/ti/wlcore/acx.h
@@ -118,6 +118,11 @@ enum wl1271_psm_mode {
 
 	/* Extreme low power */
 	WL1271_PSM_ELP = 2,
+
+	WL1271_PSM_MAX = WL1271_PSM_ELP,
+
+	/* illegal out of band value of PSM mode */
+	WL1271_PSM_ILLEGAL = 0xff
 };
 
 struct acx_sleep_auth {
diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h
index 85171f2..c8a6510 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.h
+++ b/drivers/net/wireless/ti/wlcore/cmd.h
@@ -652,4 +652,25 @@ struct wl12xx_cmd_stop_channel_switch {
 	struct wl1271_cmd_header header;
 } __packed;
 
+/* Used to check radio status after calibration */
+#define MAX_TLV_LENGTH		500
+#define TEST_CMD_P2G_CAL	2	/* TX BiP */
+
+struct wl1271_cmd_cal_p2g {
+	struct wl1271_cmd_header header;
+
+	struct wl1271_cmd_test_header test;
+
+	__le32 ver;
+	__le16 len;
+	u8 buf[MAX_TLV_LENGTH];
+	u8 type;
+	u8 padding;
+
+	__le16 radio_status;
+
+	u8 sub_band_mask;
+	u8 padding2;
+} __packed;
+
 #endif /* __WL1271_CMD_H__ */
diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h
index 03c6358..d77224f 100644
--- a/drivers/net/wireless/ti/wlcore/conf.h
+++ b/drivers/net/wireless/ti/wlcore/conf.h
@@ -951,6 +951,12 @@ struct conf_conn_settings {
 	 * Range: u16
 	 */
 	u8 max_listen_interval;
+
+	/*
+	 * Default sleep authorization for a new STA interface. This determines
+	 * whether we can go to ELP.
+	 */
+	u8 sta_sleep_auth;
 } __packed;
 
 enum {
@@ -1276,7 +1282,7 @@ struct conf_hangover_settings {
  * version, the two LSB are the lower driver's private conf
  * version.
  */
-#define WLCORE_CONF_VERSION	(0x0001 << 16)
+#define WLCORE_CONF_VERSION	(0x0002 << 16)
 #define WLCORE_CONF_MASK	0xffff0000
 #define WLCORE_CONF_SIZE	(sizeof(struct wlcore_conf_header) +	\
 				 sizeof(struct wlcore_conf))
diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c
index 689a847..1768f37 100644
--- a/drivers/net/wireless/ti/wlcore/debugfs.c
+++ b/drivers/net/wireless/ti/wlcore/debugfs.c
@@ -963,6 +963,68 @@ static const struct file_operations fw_stats_raw_ops = {
 	.llseek = default_llseek,
 };
 
+static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
+			       size_t count, loff_t *ppos)
+{
+	struct wl1271 *wl = file->private_data;
+
+	return wl1271_format_buffer(user_buf, count,
+				    ppos, "%d\n",
+				    wl->sleep_auth);
+}
+
+static ssize_t sleep_auth_write(struct file *file,
+				const char __user *user_buf,
+				size_t count, loff_t *ppos)
+{
+	struct wl1271 *wl = file->private_data;
+	unsigned long value;
+	int ret;
+
+	ret = kstrtoul_from_user(user_buf, count, 0, &value);
+	if (ret < 0) {
+		wl1271_warning("illegal value in sleep_auth");
+		return -EINVAL;
+	}
+
+	if (value < 0 || value > WL1271_PSM_MAX) {
+		wl1271_warning("sleep_auth must be between 0 and %d",
+			       WL1271_PSM_MAX);
+		return -ERANGE;
+	}
+
+	mutex_lock(&wl->mutex);
+
+	wl->conf.conn.sta_sleep_auth = value;
+
+	if (wl->state == WL1271_STATE_OFF) {
+		/* this will show up on "read" in case we are off */
+		wl->sleep_auth = value;
+		goto out;
+	}
+
+	ret = wl1271_ps_elp_wakeup(wl);
+	if (ret < 0)
+		goto out;
+
+	ret = wl1271_acx_sleep_auth(wl, value);
+	if (ret < 0)
+		goto out_sleep;
+
+out_sleep:
+	wl1271_ps_elp_sleep(wl);
+out:
+	mutex_unlock(&wl->mutex);
+	return count;
+}
+
+static const struct file_operations sleep_auth_ops = {
+	.read = sleep_auth_read,
+	.write = sleep_auth_write,
+	.open = simple_open,
+	.llseek = default_llseek,
+};
+
 static int wl1271_debugfs_add_files(struct wl1271 *wl,
 				    struct dentry *rootdir)
 {
@@ -988,6 +1050,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl,
 	DEBUGFS_ADD(irq_blk_threshold, rootdir);
 	DEBUGFS_ADD(irq_timeout, rootdir);
 	DEBUGFS_ADD(fw_stats_raw, rootdir);
+	DEBUGFS_ADD(sleep_auth, rootdir);
 
 	streaming = debugfs_create_dir("rx_streaming", rootdir);
 	if (!streaming || IS_ERR(streaming))
diff --git a/drivers/net/wireless/ti/wlcore/ini.h b/drivers/net/wireless/ti/wlcore/ini.h
index 4cf9ecc..d24fe3b 100644
--- a/drivers/net/wireless/ti/wlcore/ini.h
+++ b/drivers/net/wireless/ti/wlcore/ini.h
@@ -172,7 +172,19 @@ struct wl128x_ini_fem_params_5 {
 
 /* NVS data structure */
 #define WL1271_INI_NVS_SECTION_SIZE		     468
-#define WL1271_INI_FEM_MODULE_COUNT                  2
+
+/* We have four FEM module types: 0-RFMD, 1-TQS, 2-SKW, 3-TQS_HP */
+#define WL1271_INI_FEM_MODULE_COUNT                  4
+
+/*
+ * In NVS we only store two FEM module entries -
+ *	  FEM modules 0,2,3 are stored in entry 0
+ *	  FEM module 1 is stored in entry 1
+ */
+#define WL12XX_NVS_FEM_MODULE_COUNT                  2
+
+#define WL12XX_FEM_TO_NVS_ENTRY(ini_fem_module)      \
+	((ini_fem_module) == 1 ? 1 : 0)
 
 #define WL1271_INI_LEGACY_NVS_FILE_SIZE              800
 
@@ -188,13 +200,13 @@ struct wl1271_nvs_file {
 	struct {
 		struct wl1271_ini_fem_params_2 params;
 		u8 padding;
-	} dyn_radio_params_2[WL1271_INI_FEM_MODULE_COUNT];
+	} dyn_radio_params_2[WL12XX_NVS_FEM_MODULE_COUNT];
 	struct wl1271_ini_band_params_5 stat_radio_params_5;
 	u8 padding3;
 	struct {
 		struct wl1271_ini_fem_params_5 params;
 		u8 padding;
-	} dyn_radio_params_5[WL1271_INI_FEM_MODULE_COUNT];
+	} dyn_radio_params_5[WL12XX_NVS_FEM_MODULE_COUNT];
 } __packed;
 
 struct wl128x_nvs_file {
@@ -209,12 +221,12 @@ struct wl128x_nvs_file {
 	struct {
 		struct wl128x_ini_fem_params_2 params;
 		u8 padding;
-	} dyn_radio_params_2[WL1271_INI_FEM_MODULE_COUNT];
+	} dyn_radio_params_2[WL12XX_NVS_FEM_MODULE_COUNT];
 	struct wl128x_ini_band_params_5 stat_radio_params_5;
 	u8 padding3;
 	struct {
 		struct wl128x_ini_fem_params_5 params;
 		u8 padding;
-	} dyn_radio_params_5[WL1271_INI_FEM_MODULE_COUNT];
+	} dyn_radio_params_5[WL12XX_NVS_FEM_MODULE_COUNT];
 } __packed;
 #endif
diff --git a/drivers/net/wireless/ti/wlcore/init.c b/drivers/net/wireless/ti/wlcore/init.c
index 645abd4..8a8a897 100644
--- a/drivers/net/wireless/ti/wlcore/init.c
+++ b/drivers/net/wireless/ti/wlcore/init.c
@@ -554,29 +554,28 @@ int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif)
 	bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS);
 	int ret, i;
 
-	/*
-	 * consider all existing roles before configuring psm.
-	 * TODO: reconfigure on interface removal.
-	 */
-	if (!wl->ap_count) {
-		if (is_ap) {
-			/* Configure for power always on */
+	/* consider all existing roles before configuring psm. */
+
+	if (wl->ap_count == 0 && is_ap) { /* first AP */
+		/* Configure for power always on */
+		ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
+		if (ret < 0)
+			return ret;
+	/* first STA, no APs */
+	} else if (wl->sta_count == 0 && wl->ap_count == 0 && !is_ap) {
+		u8 sta_auth = wl->conf.conn.sta_sleep_auth;
+		/* Configure for power according to debugfs */
+		if (sta_auth != WL1271_PSM_ILLEGAL)
+			ret = wl1271_acx_sleep_auth(wl, sta_auth);
+		/* Configure for power always on */
+		else if (wl->quirks & WLCORE_QUIRK_NO_ELP)
 			ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
-			if (ret < 0)
-				return ret;
-		} else if (!wl->sta_count) {
-			if (wl->quirks & WLCORE_QUIRK_NO_ELP) {
-				/* Configure for power always on */
-				ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
-				if (ret < 0)
-					return ret;
-			} else {
-				/* Configure for ELP power saving */
-				ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
-				if (ret < 0)
-					return ret;
-			}
-		}
+		/* Configure for ELP power saving */
+		else
+			ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
+
+		if (ret < 0)
+			return ret;
 	}
 
 	/* Mode specific init */
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 1156e3f..78edc58 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -770,14 +770,16 @@ size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen)
 	return len;
 }
 
+#define WLCORE_FW_LOG_END 0x2000000
+
 static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
 {
 	u32 addr;
-	u32 first_addr;
+	u32 offset;
+	u32 end_of_log;
 	u8 *block;
 
 	if ((wl->quirks & WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED) ||
-	    (wl->conf.fwlog.mode != WL12XX_FWLOG_ON_DEMAND) ||
 	    (wl->conf.fwlog.mem_blocks == 0))
 		return;
 
@@ -791,19 +793,26 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
 	 * Make sure the chip is awake and the logger isn't active.
 	 * Do not send a stop fwlog command if the fw is hanged.
 	 */
-	if (!wl1271_ps_elp_wakeup(wl) && !wl->watchdog_recovery)
-		wl12xx_cmd_stop_fwlog(wl);
-	else
+	if (wl1271_ps_elp_wakeup(wl))
 		goto out;
+	if (!wl->watchdog_recovery)
+		wl12xx_cmd_stop_fwlog(wl);
 
 	/* Read the first memory block address */
 	wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2);
-	first_addr = le32_to_cpu(wl->fw_status_2->log_start_addr);
-	if (!first_addr)
+	addr = le32_to_cpu(wl->fw_status_2->log_start_addr);
+	if (!addr)
 		goto out;
 
+	if (wl->conf.fwlog.mode == WL12XX_FWLOG_CONTINUOUS) {
+		offset = sizeof(addr) + sizeof(struct wl1271_rx_descriptor);
+		end_of_log = WLCORE_FW_LOG_END;
+	} else {
+		offset = sizeof(addr);
+		end_of_log = addr;
+	}
+
 	/* 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,
@@ -812,13 +821,14 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl)
 		/*
 		 * 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.
+		 * one. The last memory block points to the first one in
+		 * on demand mode and is equal to 0x2000000 in continuous mode.
 		 */
 		addr = le32_to_cpup((__le32 *)block);
-		if (!wl12xx_copy_fwlog(wl, block + sizeof(addr),
-				       WL12XX_HW_BLOCK_SIZE - sizeof(addr)))
+		if (!wl12xx_copy_fwlog(wl, block + offset,
+				       WL12XX_HW_BLOCK_SIZE - offset))
 			break;
-	} while (addr && (addr != first_addr));
+	} while (addr && (addr != end_of_log));
 
 	wake_up_interruptible(&wl->fwlog_waitq);
 
@@ -1082,6 +1092,7 @@ int wl1271_plt_stop(struct wl1271 *wl)
 	mutex_lock(&wl->mutex);
 	wl1271_power_off(wl);
 	wl->flags = 0;
+	wl->sleep_auth = WL1271_PSM_ILLEGAL;
 	wl->state = WL1271_STATE_OFF;
 	wl->plt = false;
 	wl->rx_counter = 0;
@@ -1740,6 +1751,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw)
 	wl->ap_fw_ps_map = 0;
 	wl->ap_ps_map = 0;
 	wl->sched_scanning = false;
+	wl->sleep_auth = WL1271_PSM_ILLEGAL;
 	memset(wl->roles_map, 0, sizeof(wl->roles_map));
 	memset(wl->links_map, 0, sizeof(wl->links_map));
 	memset(wl->roc_map, 0, sizeof(wl->roc_map));
@@ -2146,6 +2158,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
 {
 	struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
 	int i, ret;
+	bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS);
 
 	wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface");
 
@@ -2226,11 +2239,25 @@ deinit:
 	wlvif->role_id = WL12XX_INVALID_ROLE_ID;
 	wlvif->dev_role_id = WL12XX_INVALID_ROLE_ID;
 
-	if (wlvif->bss_type == BSS_TYPE_AP_BSS)
+	if (is_ap)
 		wl->ap_count--;
 	else
 		wl->sta_count--;
 
+	/* Last AP, have more stations. Configure according to STA. */
+	if (wl->ap_count == 0 && is_ap && wl->sta_count) {
+		u8 sta_auth = wl->conf.conn.sta_sleep_auth;
+		/* Configure for power according to debugfs */
+		if (sta_auth != WL1271_PSM_ILLEGAL)
+			wl1271_acx_sleep_auth(wl, sta_auth);
+		/* Configure for power always on */
+		else if (wl->quirks & WLCORE_QUIRK_NO_ELP)
+			wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
+		/* Configure for ELP power saving */
+		else
+			wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
+	}
+
 	mutex_unlock(&wl->mutex);
 
 	del_timer_sync(&wlvif->rx_streaming_timer);
@@ -2454,6 +2481,7 @@ static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 		wlvif->channel_type = conf->channel_type;
 
 		if (is_ap) {
+			wl1271_set_band_rate(wl, wlvif);
 			ret = wl1271_init_ap_rates(wl, wlvif);
 			if (ret < 0)
 				wl1271_error("AP rate policy change failed %d",
@@ -4090,16 +4118,13 @@ out:
 static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx,
 				struct survey_info *survey)
 {
-	struct wl1271 *wl = hw->priv;
 	struct ieee80211_conf *conf = &hw->conf;
 
 	if (idx != 0)
 		return -ENOENT;
 
 	survey->channel = conf->channel;
-	survey->filled = SURVEY_INFO_NOISE_DBM;
-	survey->noise = wl->noise;
-
+	survey->filled = 0;
 	return 0;
 }
 
@@ -4365,9 +4390,14 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw,
 
 	case IEEE80211_AMPDU_RX_STOP:
 		if (!(*ba_bitmap & BIT(tid))) {
-			ret = -EINVAL;
-			wl1271_error("no active RX BA session on tid: %d",
+			/*
+			 * this happens on reconfig - so only output a debug
+			 * message for now, and don't fail the function.
+			 */
+			wl1271_debug(DEBUG_MAC80211,
+				     "no active RX BA session on tid: %d",
 				     tid);
+			ret = 0;
 			break;
 		}
 
@@ -4976,6 +5006,29 @@ static void wl1271_unregister_hw(struct wl1271 *wl)
 
 }
 
+static const struct ieee80211_iface_limit wlcore_iface_limits[] = {
+	{
+		.max = 2,
+		.types = BIT(NL80211_IFTYPE_STATION),
+	},
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_AP) |
+			 BIT(NL80211_IFTYPE_P2P_GO) |
+			 BIT(NL80211_IFTYPE_P2P_CLIENT),
+	},
+};
+
+static const struct ieee80211_iface_combination
+wlcore_iface_combinations[] = {
+	{
+	  .num_different_channels = 1,
+	  .max_interfaces = 2,
+	  .limits = wlcore_iface_limits,
+	  .n_limits = ARRAY_SIZE(wlcore_iface_limits),
+	},
+};
+
 static int wl1271_init_ieee80211(struct wl1271 *wl)
 {
 	static const u32 cipher_suites[] = {
@@ -5069,6 +5122,11 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
 		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
 		NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
 
+	/* allowed interface combinations */
+	wl->hw->wiphy->iface_combinations = wlcore_iface_combinations;
+	wl->hw->wiphy->n_iface_combinations =
+		ARRAY_SIZE(wlcore_iface_combinations);
+
 	SET_IEEE80211_DEV(wl->hw, wl->dev);
 
 	wl->hw->sta_data_size = sizeof(struct wl1271_station);
@@ -5140,6 +5198,7 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size)
 	wl->channel_type = NL80211_CHAN_NO_HT;
 	wl->flags = 0;
 	wl->sg_enabled = true;
+	wl->sleep_auth = WL1271_PSM_ILLEGAL;
 	wl->hw_pg_ver = -1;
 	wl->ap_ps_map = 0;
 	wl->ap_fw_ps_map = 0;
diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c
index 47e81b3..95d8797 100644
--- a/drivers/net/wireless/ti/wlcore/ps.c
+++ b/drivers/net/wireless/ti/wlcore/ps.c
@@ -76,7 +76,7 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl)
 	struct wl12xx_vif *wlvif;
 	u32 timeout;
 
-	if (wl->quirks & WLCORE_QUIRK_NO_ELP)
+	if (wl->sleep_auth != WL1271_PSM_ELP)
 		return;
 
 	/* we shouldn't get consecutive sleep requests */
diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c
index 78200dc..a1db4e0 100644
--- a/drivers/net/wireless/ti/wlcore/rx.c
+++ b/drivers/net/wireless/ti/wlcore/rx.c
@@ -127,7 +127,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
 	}
 
 	if (rx_align == WLCORE_RX_BUF_UNALIGNED)
-		reserved = NET_IP_ALIGN;
+		reserved = RX_BUF_ALIGN;
 
 	/* the data read starts with the descriptor */
 	desc = (struct wl1271_rx_descriptor *) data;
@@ -175,7 +175,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length,
 	 */
 	memcpy(buf, data + sizeof(*desc), pkt_data_len);
 	if (rx_align == WLCORE_RX_BUF_PADDED)
-		skb_pull(skb, NET_IP_ALIGN);
+		skb_pull(skb, RX_BUF_ALIGN);
 
 	*hlid = desc->hlid;
 
diff --git a/drivers/net/wireless/ti/wlcore/rx.h b/drivers/net/wireless/ti/wlcore/rx.h
index 9be7801..4324a42 100644
--- a/drivers/net/wireless/ti/wlcore/rx.h
+++ b/drivers/net/wireless/ti/wlcore/rx.h
@@ -103,6 +103,12 @@
 /* If set, the buffer was padded by the FW to be 4 bytes aligned */
 #define RX_BUF_PADDED_PAYLOAD        BIT(30)
 
+/*
+ * Account for the padding inserted by the FW in case of RX_ALIGNMENT
+ * or for fixing alignment in case the packet wasn't aligned.
+ */
+#define RX_BUF_ALIGN                 2
+
 /* Describes the alignment state of a Rx buffer */
 enum wl_rx_buf_align {
 	WLCORE_RX_BUF_ALIGNED,
diff --git a/drivers/net/wireless/ti/wlcore/testmode.c b/drivers/net/wireless/ti/wlcore/testmode.c
index 0e59ea2..eeb339d 100644
--- a/drivers/net/wireless/ti/wlcore/testmode.c
+++ b/drivers/net/wireless/ti/wlcore/testmode.c
@@ -108,6 +108,20 @@ static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
 	}
 
 	if (answer) {
+		/* If we got bip calibration answer print radio status */
+		struct wl1271_cmd_cal_p2g *params =
+			(struct wl1271_cmd_cal_p2g *) buf;
+
+		s16 radio_status = (s16) le16_to_cpu(params->radio_status);
+
+		if (params->test.id == TEST_CMD_P2G_CAL &&
+		    radio_status < 0)
+			wl1271_warning("testmode cmd: radio status=%d",
+					radio_status);
+		else
+			wl1271_info("testmode cmd: radio status=%d",
+					radio_status);
+
 		len = nla_total_size(buf_len);
 		skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
 		if (!skb) {
diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c
index 6983e7a..8ee82b9 100644
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -305,11 +305,15 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 	if (is_dummy || !wlvif)
 		rate_idx = 0;
 	else if (wlvif->bss_type != BSS_TYPE_AP_BSS) {
-		/* if the packets are destined for AP (have a STA entry)
-		   send them with AP rate policies, otherwise use default
-		   basic rates */
+		/*
+		 * if the packets are destined for AP (have a STA entry)
+		 * send them with AP rate policies (EAPOLs are an exception),
+		 * otherwise use default basic rates
+		 */
 		if (control->flags & IEEE80211_TX_CTL_NO_CCK_RATE)
 			rate_idx = wlvif->sta.p2p_rate_idx;
+		else if (skb->protocol == cpu_to_be16(ETH_P_PAE))
+			rate_idx = wlvif->sta.basic_rate_idx;
 		else if (control->control.sta)
 			rate_idx = wlvif->sta.ap_rate_idx;
 		else
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
index 761a72f..205d8ad 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -387,6 +387,9 @@ struct wl1271 {
 
 	/* mutex for protecting the tx_flush function */
 	struct mutex flush_mutex;
+
+	/* sleep auth value currently configured to FW */
+	int sleep_auth;
 };
 
 int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev);
@@ -398,6 +401,13 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
 		   struct ieee80211_sta *sta,
 		   struct ieee80211_key_conf *key_conf);
 
+static inline void
+wlcore_set_ht_cap(struct wl1271 *wl, enum ieee80211_band band,
+		  struct ieee80211_sta_ht_cap *ht_cap)
+{
+	memcpy(&wl->ht_cap[band], ht_cap, sizeof(*ht_cap));
+}
+
 /* Firmware image load chunk size */
 #define CHUNK_SIZE	16384