drivers/net/wireless/ti/wlcore/testmode.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * This file is part of wl1271
  *
  * Copyright (C) 2010 Nokia Corporation
  *
  * Contact: Luciano Coelho <luciano.coelho@nokia.com>
  */
 #include "testmode.h"

 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 #include <net/genetlink.h>

 #include "wlcore.h"
 #include "debug.h"
 #include "acx.h"
 #include "io.h"

 #define WL1271_TM_MAX_DATA_LENGTH 1024

 enum wl1271_tm_commands {
 	WL1271_TM_CMD_UNSPEC,
 	WL1271_TM_CMD_TEST,
 	WL1271_TM_CMD_INTERROGATE,
 	WL1271_TM_CMD_CONFIGURE,
 	WL1271_TM_CMD_NVS_PUSH,		/* Not in use. Keep to not break ABI */
 	WL1271_TM_CMD_SET_PLT_MODE,
 	WL1271_TM_CMD_RECOVER,		/* Not in use. Keep to not break ABI */
 	WL1271_TM_CMD_GET_MAC,

 	__WL1271_TM_CMD_AFTER_LAST
 };
 #define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1)

 enum wl1271_tm_attrs {
 	WL1271_TM_ATTR_UNSPEC,
 	WL1271_TM_ATTR_CMD_ID,
 	WL1271_TM_ATTR_ANSWER,
 	WL1271_TM_ATTR_DATA,
 	WL1271_TM_ATTR_IE_ID,
 	WL1271_TM_ATTR_PLT_MODE,

 	__WL1271_TM_ATTR_AFTER_LAST
 };
 #define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1)

 static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = {
 	[WL1271_TM_ATTR_CMD_ID] =	{ .type = NLA_U32 },
 	[WL1271_TM_ATTR_ANSWER] =	{ .type = NLA_U8 },
 	[WL1271_TM_ATTR_DATA] =		{ .type = NLA_BINARY,
 					  .len = WL1271_TM_MAX_DATA_LENGTH },
 	[WL1271_TM_ATTR_IE_ID] =	{ .type = NLA_U32 },
 	[WL1271_TM_ATTR_PLT_MODE] =	{ .type = NLA_U32 },
 };


 static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
 {
 	int buf_len, ret, len;
 	struct sk_buff *skb;
 	void *buf;
 	u8 answer = 0;

 	wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");

 	if (!tb[WL1271_TM_ATTR_DATA])
 		return -EINVAL;

 	buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
 	buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);

 	if (tb[WL1271_TM_ATTR_ANSWER])
 		answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);

 	if (buf_len > sizeof(struct wl1271_command))
 		return -EMSGSIZE;

 	mutex_lock(&wl->mutex);

 	if (unlikely(wl->state != WLCORE_STATE_ON)) {
 		ret = -EINVAL;
 		goto out;
 	}

 	ret = pm_runtime_get_sync(wl->dev);
 	if (ret < 0) {
 		pm_runtime_put_noidle(wl->dev);
 		goto out;
 	}

 	ret = wl1271_cmd_test(wl, buf, buf_len, answer);
 	if (ret < 0) {
 		wl1271_warning("testmode cmd test failed: %d", ret);
 		goto out_sleep;
 	}

 	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) {
 			ret = -ENOMEM;
 			goto out_sleep;
 		}

 		if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) {
 			kfree_skb(skb);
 			ret = -EMSGSIZE;
 			goto out_sleep;
 		}

 		ret = cfg80211_testmode_reply(skb);
 		if (ret < 0)
 			goto out_sleep;
 	}

 out_sleep:
 	pm_runtime_mark_last_busy(wl->dev);
 	pm_runtime_put_autosuspend(wl->dev);
 out:
 	mutex_unlock(&wl->mutex);

 	return ret;
 }

 static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
 {
 	int ret;
 	struct wl1271_command *cmd;
 	struct sk_buff *skb;
 	u8 ie_id;

 	wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");

 	if (!tb[WL1271_TM_ATTR_IE_ID])
 		return -EINVAL;

 	ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);

 	mutex_lock(&wl->mutex);

 	if (unlikely(wl->state != WLCORE_STATE_ON)) {
 		ret = -EINVAL;
 		goto out;
 	}

 	ret = pm_runtime_get_sync(wl->dev);
 	if (ret < 0) {
 		pm_runtime_put_noidle(wl->dev);
 		goto out;
 	}

 	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 	if (!cmd) {
 		ret = -ENOMEM;
 		goto out_sleep;
 	}

 	ret = wl1271_cmd_interrogate(wl, ie_id, cmd,
 				     sizeof(struct acx_header), sizeof(*cmd));
 	if (ret < 0) {
 		wl1271_warning("testmode cmd interrogate failed: %d", ret);
 		goto out_free;
 	}

 	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
 	if (!skb) {
 		ret = -ENOMEM;
 		goto out_free;
 	}

 	if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) {
 		kfree_skb(skb);
 		ret = -EMSGSIZE;
 		goto out_free;
 	}

 	ret = cfg80211_testmode_reply(skb);
 	if (ret < 0)
 		goto out_free;

 out_free:
 	kfree(cmd);
 out_sleep:
 	pm_runtime_mark_last_busy(wl->dev);
 	pm_runtime_put_autosuspend(wl->dev);
 out:
 	mutex_unlock(&wl->mutex);

 	return ret;
 }

 static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[])
 {
 	int buf_len, ret;
 	void *buf;
 	u8 ie_id;

 	wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure");

 	if (!tb[WL1271_TM_ATTR_DATA])
 		return -EINVAL;
 	if (!tb[WL1271_TM_ATTR_IE_ID])
 		return -EINVAL;

 	ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
 	buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
 	buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);

 	if (buf_len > sizeof(struct wl1271_command))
 		return -EMSGSIZE;

 	mutex_lock(&wl->mutex);
 	ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len);
 	mutex_unlock(&wl->mutex);

 	if (ret < 0) {
 		wl1271_warning("testmode cmd configure failed: %d", ret);
 		return ret;
 	}

 	return 0;
 }

 static int wl1271_tm_detect_fem(struct wl1271 *wl, struct nlattr *tb[])
 {
 	/* return FEM type */
 	int ret, len;
 	struct sk_buff *skb;

 	ret = wl1271_plt_start(wl, PLT_FEM_DETECT);
 	if (ret < 0)
 		goto out;

 	mutex_lock(&wl->mutex);

 	len = nla_total_size(sizeof(wl->fem_manuf));
 	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
 	if (!skb) {
 		ret = -ENOMEM;
 		goto out_mutex;
 	}

 	if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf),
 					      &wl->fem_manuf)) {
 		kfree_skb(skb);
 		ret = -EMSGSIZE;
 		goto out_mutex;
 	}

 	ret = cfg80211_testmode_reply(skb);

 out_mutex:
 	mutex_unlock(&wl->mutex);

 	/* We always stop plt after DETECT mode */
 	wl1271_plt_stop(wl);
 out:
 	return ret;
 }

 static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[])
 {
 	u32 val;
 	int ret;

 	wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode");

 	if (!tb[WL1271_TM_ATTR_PLT_MODE])
 		return -EINVAL;

 	val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]);

 	switch (val) {
 	case PLT_OFF:
 		ret = wl1271_plt_stop(wl);
 		break;
 	case PLT_ON:
 	case PLT_CHIP_AWAKE:
 		ret = wl1271_plt_start(wl, val);
 		break;
 	case PLT_FEM_DETECT:
 		ret = wl1271_tm_detect_fem(wl, tb);
 		break;
 	default:
 		ret = -EINVAL;
 		break;
 	}

 	return ret;
 }

 static int wl12xx_tm_cmd_get_mac(struct wl1271 *wl, struct nlattr *tb[])
 {
 	struct sk_buff *skb;
 	u8 mac_addr[ETH_ALEN];
 	int ret = 0;

 	mutex_lock(&wl->mutex);

 	if (!wl->plt) {
 		ret = -EINVAL;
 		goto out;
 	}

 	if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) {
 		ret = -EOPNOTSUPP;
 		goto out;
 	}

 	mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16);
 	mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8);
 	mac_addr[2] = (u8) wl->fuse_oui_addr;
 	mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16);
 	mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8);
 	mac_addr[5] = (u8) wl->fuse_nic_addr;

 	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN);
 	if (!skb) {
 		ret = -ENOMEM;
 		goto out;
 	}

 	if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) {
 		kfree_skb(skb);
 		ret = -EMSGSIZE;
 		goto out;
 	}

 	ret = cfg80211_testmode_reply(skb);
 	if (ret < 0)
 		goto out;

 out:
 	mutex_unlock(&wl->mutex);
 	return ret;
 }

 int wl1271_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		  void *data, int len)
 {
 	struct wl1271 *wl = hw->priv;
 	struct nlattr *tb[WL1271_TM_ATTR_MAX + 1];
 	u32 nla_cmd;
 	int err;

 	err = nla_parse_deprecated(tb, WL1271_TM_ATTR_MAX, data, len,
 				   wl1271_tm_policy, NULL);
 	if (err)
 		return err;

 	if (!tb[WL1271_TM_ATTR_CMD_ID])
 		return -EINVAL;

 	nla_cmd = nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID]);

 	/* Only SET_PLT_MODE is allowed in case of mode PLT_CHIP_AWAKE */
 	if (wl->plt_mode == PLT_CHIP_AWAKE &&
 	    nla_cmd != WL1271_TM_CMD_SET_PLT_MODE)
 		return -EOPNOTSUPP;

 	switch (nla_cmd) {
 	case WL1271_TM_CMD_TEST:
 		return wl1271_tm_cmd_test(wl, tb);
 	case WL1271_TM_CMD_INTERROGATE:
 		return wl1271_tm_cmd_interrogate(wl, tb);
 	case WL1271_TM_CMD_CONFIGURE:
 		return wl1271_tm_cmd_configure(wl, tb);
 	case WL1271_TM_CMD_SET_PLT_MODE:
 		return wl1271_tm_cmd_set_plt_mode(wl, tb);
 	case WL1271_TM_CMD_GET_MAC:
 		return wl12xx_tm_cmd_get_mac(wl, tb);
 	default:
 		return -EOPNOTSUPP;
 	}
 }
	// SPDX-License-Identifier: GPL-2.0-only
	/*
	* This file is part of wl1271
	*
	* Copyright (C) 2010 Nokia Corporation
	*
	* Contact: Luciano Coelho <luciano.coelho@nokia.com>
	*/
	#include "testmode.h"

	#include <linux/pm_runtime.h>
	#include <linux/slab.h>
	#include <net/genetlink.h>

	#include "wlcore.h"
	#include "debug.h"
	#include "acx.h"
	#include "io.h"

	#define WL1271_TM_MAX_DATA_LENGTH 1024

	enum wl1271_tm_commands {
	WL1271_TM_CMD_UNSPEC,
	WL1271_TM_CMD_TEST,
	WL1271_TM_CMD_INTERROGATE,
	WL1271_TM_CMD_CONFIGURE,
	WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */
	WL1271_TM_CMD_SET_PLT_MODE,
	WL1271_TM_CMD_RECOVER, /* Not in use. Keep to not break ABI */
	WL1271_TM_CMD_GET_MAC,

	__WL1271_TM_CMD_AFTER_LAST
	};
	#define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1)

	enum wl1271_tm_attrs {
	WL1271_TM_ATTR_UNSPEC,
	WL1271_TM_ATTR_CMD_ID,
	WL1271_TM_ATTR_ANSWER,
	WL1271_TM_ATTR_DATA,
	WL1271_TM_ATTR_IE_ID,
	WL1271_TM_ATTR_PLT_MODE,

	__WL1271_TM_ATTR_AFTER_LAST
	};
	#define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1)

	static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = {
	[WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 },
	[WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 },
	[WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY,
	.len = WL1271_TM_MAX_DATA_LENGTH },
	[WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 },
	[WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 },
	};


	static int wl1271_tm_cmd_test(struct wl1271 wl, struct nlattr tb[])
	{
	int buf_len, ret, len;
	struct sk_buff *skb;
	void *buf;
	u8 answer = 0;

	wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");

	if (!tb[WL1271_TM_ATTR_DATA])
	return -EINVAL;

	buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
	buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);

	if (tb[WL1271_TM_ATTR_ANSWER])
	answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);

	if (buf_len > sizeof(struct wl1271_command))
	return -EMSGSIZE;

	mutex_lock(&wl->mutex);

	if (unlikely(wl->state != WLCORE_STATE_ON)) {
	ret = -EINVAL;
	goto out;
	}

	ret = pm_runtime_get_sync(wl->dev);
	if (ret < 0) {
	pm_runtime_put_noidle(wl->dev);
	goto out;
	}

	ret = wl1271_cmd_test(wl, buf, buf_len, answer);
	if (ret < 0) {
	wl1271_warning("testmode cmd test failed: %d", ret);
	goto out_sleep;
	}

	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) {
	ret = -ENOMEM;
	goto out_sleep;
	}

	if (nla_put(skb, WL1271_TM_ATTR_DATA, buf_len, buf)) {
	kfree_skb(skb);
	ret = -EMSGSIZE;
	goto out_sleep;
	}

	ret = cfg80211_testmode_reply(skb);
	if (ret < 0)
	goto out_sleep;
	}

	out_sleep:
	pm_runtime_mark_last_busy(wl->dev);
	pm_runtime_put_autosuspend(wl->dev);
	out:
	mutex_unlock(&wl->mutex);

	return ret;
	}

	static int wl1271_tm_cmd_interrogate(struct wl1271 wl, struct nlattr tb[])
	{
	int ret;
	struct wl1271_command *cmd;
	struct sk_buff *skb;
	u8 ie_id;

	wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");

	if (!tb[WL1271_TM_ATTR_IE_ID])
	return -EINVAL;

	ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);

	mutex_lock(&wl->mutex);

	if (unlikely(wl->state != WLCORE_STATE_ON)) {
	ret = -EINVAL;
	goto out;
	}

	ret = pm_runtime_get_sync(wl->dev);
	if (ret < 0) {
	pm_runtime_put_noidle(wl->dev);
	goto out;
	}

	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
	if (!cmd) {
	ret = -ENOMEM;
	goto out_sleep;
	}

	ret = wl1271_cmd_interrogate(wl, ie_id, cmd,
	sizeof(struct acx_header), sizeof(*cmd));
	if (ret < 0) {
	wl1271_warning("testmode cmd interrogate failed: %d", ret);
	goto out_free;
	}

	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
	if (!skb) {
	ret = -ENOMEM;
	goto out_free;
	}

	if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd)) {
	kfree_skb(skb);
	ret = -EMSGSIZE;
	goto out_free;
	}

	ret = cfg80211_testmode_reply(skb);
	if (ret < 0)
	goto out_free;

	out_free:
	kfree(cmd);
	out_sleep:
	pm_runtime_mark_last_busy(wl->dev);
	pm_runtime_put_autosuspend(wl->dev);
	out:
	mutex_unlock(&wl->mutex);

	return ret;
	}

	static int wl1271_tm_cmd_configure(struct wl1271 wl, struct nlattr tb[])
	{
	int buf_len, ret;
	void *buf;
	u8 ie_id;

	wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure");

	if (!tb[WL1271_TM_ATTR_DATA])
	return -EINVAL;
	if (!tb[WL1271_TM_ATTR_IE_ID])
	return -EINVAL;

	ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
	buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
	buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);

	if (buf_len > sizeof(struct wl1271_command))
	return -EMSGSIZE;

	mutex_lock(&wl->mutex);
	ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len);
	mutex_unlock(&wl->mutex);

	if (ret < 0) {
	wl1271_warning("testmode cmd configure failed: %d", ret);
	return ret;
	}

	return 0;
	}

	static int wl1271_tm_detect_fem(struct wl1271 wl, struct nlattr tb[])
	{
	/* return FEM type */
	int ret, len;
	struct sk_buff *skb;

	ret = wl1271_plt_start(wl, PLT_FEM_DETECT);
	if (ret < 0)
	goto out;

	mutex_lock(&wl->mutex);

	len = nla_total_size(sizeof(wl->fem_manuf));
	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
	if (!skb) {
	ret = -ENOMEM;
	goto out_mutex;
	}

	if (nla_put(skb, WL1271_TM_ATTR_DATA, sizeof(wl->fem_manuf),
	&wl->fem_manuf)) {
	kfree_skb(skb);
	ret = -EMSGSIZE;
	goto out_mutex;
	}

	ret = cfg80211_testmode_reply(skb);

	out_mutex:
	mutex_unlock(&wl->mutex);

	/* We always stop plt after DETECT mode */
	wl1271_plt_stop(wl);
	out:
	return ret;
	}

	static int wl1271_tm_cmd_set_plt_mode(struct wl1271 wl, struct nlattr tb[])
	{
	u32 val;
	int ret;

	wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode");

	if (!tb[WL1271_TM_ATTR_PLT_MODE])
	return -EINVAL;

	val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]);

	switch (val) {
	case PLT_OFF:
	ret = wl1271_plt_stop(wl);
	break;
	case PLT_ON:
	case PLT_CHIP_AWAKE:
	ret = wl1271_plt_start(wl, val);
	break;
	case PLT_FEM_DETECT:
	ret = wl1271_tm_detect_fem(wl, tb);
	break;
	default:
	ret = -EINVAL;
	break;
	}

	return ret;
	}

	static int wl12xx_tm_cmd_get_mac(struct wl1271 wl, struct nlattr tb[])
	{
	struct sk_buff *skb;
	u8 mac_addr[ETH_ALEN];
	int ret = 0;

	mutex_lock(&wl->mutex);

	if (!wl->plt) {
	ret = -EINVAL;
	goto out;
	}

	if (wl->fuse_oui_addr == 0 && wl->fuse_nic_addr == 0) {
	ret = -EOPNOTSUPP;
	goto out;
	}

	mac_addr[0] = (u8)(wl->fuse_oui_addr >> 16);
	mac_addr[1] = (u8)(wl->fuse_oui_addr >> 8);
	mac_addr[2] = (u8) wl->fuse_oui_addr;
	mac_addr[3] = (u8)(wl->fuse_nic_addr >> 16);
	mac_addr[4] = (u8)(wl->fuse_nic_addr >> 8);
	mac_addr[5] = (u8) wl->fuse_nic_addr;

	skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, ETH_ALEN);
	if (!skb) {
	ret = -ENOMEM;
	goto out;
	}

	if (nla_put(skb, WL1271_TM_ATTR_DATA, ETH_ALEN, mac_addr)) {
	kfree_skb(skb);
	ret = -EMSGSIZE;
	goto out;
	}

	ret = cfg80211_testmode_reply(skb);
	if (ret < 0)
	goto out;

	out:
	mutex_unlock(&wl->mutex);
	return ret;
	}

	int wl1271_tm_cmd(struct ieee80211_hw hw, struct ieee80211_vif vif,
	void *data, int len)
	{
	struct wl1271 *wl = hw->priv;
	struct nlattr *tb[WL1271_TM_ATTR_MAX + 1];
	u32 nla_cmd;
	int err;

	err = nla_parse_deprecated(tb, WL1271_TM_ATTR_MAX, data, len,
	wl1271_tm_policy, NULL);
	if (err)
	return err;

	if (!tb[WL1271_TM_ATTR_CMD_ID])
	return -EINVAL;

	nla_cmd = nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID]);

	/* Only SET_PLT_MODE is allowed in case of mode PLT_CHIP_AWAKE */
	if (wl->plt_mode == PLT_CHIP_AWAKE &&
	nla_cmd != WL1271_TM_CMD_SET_PLT_MODE)
	return -EOPNOTSUPP;

	switch (nla_cmd) {
	case WL1271_TM_CMD_TEST:
	return wl1271_tm_cmd_test(wl, tb);
	case WL1271_TM_CMD_INTERROGATE:
	return wl1271_tm_cmd_interrogate(wl, tb);
	case WL1271_TM_CMD_CONFIGURE:
	return wl1271_tm_cmd_configure(wl, tb);
	case WL1271_TM_CMD_SET_PLT_MODE:
	return wl1271_tm_cmd_set_plt_mode(wl, tb);
	case WL1271_TM_CMD_GET_MAC:
	return wl12xx_tm_cmd_get_mac(wl, tb);
	default:
	return -EOPNOTSUPP;
	}
	}