drivers/net/wireless/ti/wl12xx/cmd.c - linux-imx - Git at Google

 /*
  * This file is part of wl12xx
  *
  * Copyright (C) 2009-2010 Nokia Corporation
  * Copyright (C) 2011 Texas Instruments Inc.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * version 2 as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA
  *
  */

 #include "../wlcore/cmd.h"
 #include "../wlcore/debug.h"

 #include "wl12xx.h"
 #include "cmd.h"

 int wl1271_cmd_ext_radio_parms(struct wl1271 *wl)
 {
 	struct wl1271_ext_radio_parms_cmd *ext_radio_parms;
 	struct wl12xx_priv *priv = wl->priv;
 	struct wl12xx_conf_rf *rf = &priv->conf.rf;
 	int ret;

 	if (!wl->nvs)
 		return -ENODEV;

 	ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL);
 	if (!ext_radio_parms)
 		return -ENOMEM;

 	ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM;

 	memcpy(ext_radio_parms->tx_per_channel_power_compensation_2,
 	       rf->tx_per_channel_power_compensation_2,
 	       CONF_TX_PWR_COMPENSATION_LEN_2);
 	memcpy(ext_radio_parms->tx_per_channel_power_compensation_5,
 	       rf->tx_per_channel_power_compensation_5,
 	       CONF_TX_PWR_COMPENSATION_LEN_5);

 	wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ",
 		    ext_radio_parms, sizeof(*ext_radio_parms));

 	ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0);
 	if (ret < 0)
 		wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed");

 	kfree(ext_radio_parms);
 	return ret;
 }

 int wl1271_cmd_general_parms(struct wl1271 *wl)
 {
 	struct wl1271_general_parms_cmd *gen_parms;
 	struct wl1271_ini_general_params *gp =
 		&((struct wl1271_nvs_file *)wl->nvs)->general_params;
 	struct wl12xx_priv *priv = wl->priv;
 	bool answer = false;
 	int ret;

 	if (!wl->nvs)
 		return -ENODEV;

 	if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
 		wl1271_warning("FEM index from INI out of bounds");
 		return -EINVAL;
 	}

 	gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
 	if (!gen_parms)
 		return -ENOMEM;

 	gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;

 	memcpy(&gen_parms->general_params, gp, sizeof(*gp));

 	/* If we started in PLT FEM_DETECT mode, force auto detect */
 	if (wl->plt_mode == PLT_FEM_DETECT)
 		gen_parms->general_params.tx_bip_fem_auto_detect = true;

 	if (gen_parms->general_params.tx_bip_fem_auto_detect)
 		answer = true;

 	/* Override the REF CLK from the NVS with the one from platform data */
 	gen_parms->general_params.ref_clock = priv->ref_clock;

 	ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
 	if (ret < 0) {
 		wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
 		goto out;
 	}

 	gp->tx_bip_fem_manufacturer =
 		gen_parms->general_params.tx_bip_fem_manufacturer;

 	if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
 		wl1271_warning("FEM index from FW out of bounds");
 		ret = -EINVAL;
 		goto out;
 	}

 	/* If we are in calibrator based fem auto detect - save fem nr */
 	if (wl->plt_mode == PLT_FEM_DETECT)
 		wl->fem_manuf = gp->tx_bip_fem_manufacturer;

 	wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
 		answer == false ?
 			"manual" :
 		wl->plt_mode == PLT_FEM_DETECT ?
 			"calibrator_fem_detect" :
 			"auto",
 		gp->tx_bip_fem_manufacturer);

 out:
 	kfree(gen_parms);
 	return ret;
 }

 int wl128x_cmd_general_parms(struct wl1271 *wl)
 {
 	struct wl128x_general_parms_cmd *gen_parms;
 	struct wl128x_ini_general_params *gp =
 		&((struct wl128x_nvs_file *)wl->nvs)->general_params;
 	struct wl12xx_priv *priv = wl->priv;
 	bool answer = false;
 	int ret;

 	if (!wl->nvs)
 		return -ENODEV;

 	if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
 		wl1271_warning("FEM index from ini out of bounds");
 		return -EINVAL;
 	}

 	gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
 	if (!gen_parms)
 		return -ENOMEM;

 	gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;

 	memcpy(&gen_parms->general_params, gp, sizeof(*gp));

 	/* If we started in PLT FEM_DETECT mode, force auto detect */
 	if (wl->plt_mode == PLT_FEM_DETECT)
 		gen_parms->general_params.tx_bip_fem_auto_detect = true;

 	if (gen_parms->general_params.tx_bip_fem_auto_detect)
 		answer = true;

 	/* Replace REF and TCXO CLKs with the ones from platform data */
 	gen_parms->general_params.ref_clock = priv->ref_clock;
 	gen_parms->general_params.tcxo_ref_clock = priv->tcxo_clock;

 	ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
 	if (ret < 0) {
 		wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
 		goto out;
 	}

 	gp->tx_bip_fem_manufacturer =
 		gen_parms->general_params.tx_bip_fem_manufacturer;

 	if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
 		wl1271_warning("FEM index from FW out of bounds");
 		ret = -EINVAL;
 		goto out;
 	}

 	/* If we are in calibrator based fem auto detect - save fem nr */
 	if (wl->plt_mode == PLT_FEM_DETECT)
 		wl->fem_manuf = gp->tx_bip_fem_manufacturer;

 	wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
 		answer == false ?
 			"manual" :
 		wl->plt_mode == PLT_FEM_DETECT ?
 			"calibrator_fem_detect" :
 			"auto",
 		gp->tx_bip_fem_manufacturer);

 out:
 	kfree(gen_parms);
 	return ret;
 }

 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, fem_idx;

 	if (!wl->nvs)
 		return -ENODEV;

 	radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
 	if (!radio_parms)
 		return -ENOMEM;

 	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[fem_idx].params,
 	       sizeof(struct wl1271_ini_fem_params_2));

 	/* 5GHz parameters */
 	memcpy(&radio_parms->static_params_5,
 	       &nvs->stat_radio_params_5,
 	       sizeof(struct wl1271_ini_band_params_5));
 	memcpy(&radio_parms->dyn_params_5,
 	       &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: ",
 		    radio_parms, sizeof(*radio_parms));

 	ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
 	if (ret < 0)
 		wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");

 	kfree(radio_parms);
 	return ret;
 }

 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, fem_idx;

 	if (!wl->nvs)
 		return -ENODEV;

 	radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
 	if (!radio_parms)
 		return -ENOMEM;

 	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[fem_idx].params,
 	       sizeof(struct wl128x_ini_fem_params_2));

 	/* 5GHz parameters */
 	memcpy(&radio_parms->static_params_5,
 	       &nvs->stat_radio_params_5,
 	       sizeof(struct wl128x_ini_band_params_5));
 	memcpy(&radio_parms->dyn_params_5,
 	       &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;

 	wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
 		    radio_parms, sizeof(*radio_parms));

 	ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
 	if (ret < 0)
 		wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");

 	kfree(radio_parms);
 	return ret;
 }

 int wl12xx_cmd_channel_switch(struct wl1271 *wl,
 			      struct wl12xx_vif *wlvif,
 			      struct ieee80211_channel_switch *ch_switch)
 {
 	struct wl12xx_cmd_channel_switch *cmd;
 	int ret;

 	wl1271_debug(DEBUG_ACX, "cmd channel switch");

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

 	cmd->role_id = wlvif->role_id;
 	cmd->channel = ch_switch->chandef.chan->hw_value;
 	cmd->switch_time = ch_switch->count;
 	cmd->stop_tx = ch_switch->block_tx;

 	/* FIXME: control from mac80211 in the future */
 	/* Enable TX on the target channel */
 	cmd->post_switch_tx_disable = 0;

 	ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0);
 	if (ret < 0) {
 		wl1271_error("failed to send channel switch command");
 		goto out_free;
 	}

 out_free:
 	kfree(cmd);

 out:
 	return ret;
 }
	/*
	* This file is part of wl12xx
	*
	* Copyright (C) 2009-2010 Nokia Corporation
	* Copyright (C) 2011 Texas Instruments Inc.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License
	* version 2 as published by the Free Software Foundation.
	*
	* This program is distributed in the hope that it will be useful, but
	* WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	* 02110-1301 USA
	*
	*/

	#include "../wlcore/cmd.h"
	#include "../wlcore/debug.h"

	#include "wl12xx.h"
	#include "cmd.h"

	int wl1271_cmd_ext_radio_parms(struct wl1271 *wl)
	{
	struct wl1271_ext_radio_parms_cmd *ext_radio_parms;
	struct wl12xx_priv *priv = wl->priv;
	struct wl12xx_conf_rf *rf = &priv->conf.rf;
	int ret;

	if (!wl->nvs)
	return -ENODEV;

	ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL);
	if (!ext_radio_parms)
	return -ENOMEM;

	ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM;

	memcpy(ext_radio_parms->tx_per_channel_power_compensation_2,
	rf->tx_per_channel_power_compensation_2,
	CONF_TX_PWR_COMPENSATION_LEN_2);
	memcpy(ext_radio_parms->tx_per_channel_power_compensation_5,
	rf->tx_per_channel_power_compensation_5,
	CONF_TX_PWR_COMPENSATION_LEN_5);

	wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ",
	ext_radio_parms, sizeof(*ext_radio_parms));

	ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0);
	if (ret < 0)
	wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed");

	kfree(ext_radio_parms);
	return ret;
	}

	int wl1271_cmd_general_parms(struct wl1271 *wl)
	{
	struct wl1271_general_parms_cmd *gen_parms;
	struct wl1271_ini_general_params *gp =
	&((struct wl1271_nvs_file *)wl->nvs)->general_params;
	struct wl12xx_priv *priv = wl->priv;
	bool answer = false;
	int ret;

	if (!wl->nvs)
	return -ENODEV;

	if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
	wl1271_warning("FEM index from INI out of bounds");
	return -EINVAL;
	}

	gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
	if (!gen_parms)
	return -ENOMEM;

	gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;

	memcpy(&gen_parms->general_params, gp, sizeof(*gp));

	/* If we started in PLT FEM_DETECT mode, force auto detect */
	if (wl->plt_mode == PLT_FEM_DETECT)
	gen_parms->general_params.tx_bip_fem_auto_detect = true;

	if (gen_parms->general_params.tx_bip_fem_auto_detect)
	answer = true;

	/* Override the REF CLK from the NVS with the one from platform data */
	gen_parms->general_params.ref_clock = priv->ref_clock;

	ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
	if (ret < 0) {
	wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
	goto out;
	}

	gp->tx_bip_fem_manufacturer =
	gen_parms->general_params.tx_bip_fem_manufacturer;

	if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
	wl1271_warning("FEM index from FW out of bounds");
	ret = -EINVAL;
	goto out;
	}

	/* If we are in calibrator based fem auto detect - save fem nr */
	if (wl->plt_mode == PLT_FEM_DETECT)
	wl->fem_manuf = gp->tx_bip_fem_manufacturer;

	wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
	answer == false ?
	"manual" :
	wl->plt_mode == PLT_FEM_DETECT ?
	"calibrator_fem_detect" :
	"auto",
	gp->tx_bip_fem_manufacturer);

	out:
	kfree(gen_parms);
	return ret;
	}

	int wl128x_cmd_general_parms(struct wl1271 *wl)
	{
	struct wl128x_general_parms_cmd *gen_parms;
	struct wl128x_ini_general_params *gp =
	&((struct wl128x_nvs_file *)wl->nvs)->general_params;
	struct wl12xx_priv *priv = wl->priv;
	bool answer = false;
	int ret;

	if (!wl->nvs)
	return -ENODEV;

	if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
	wl1271_warning("FEM index from ini out of bounds");
	return -EINVAL;
	}

	gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
	if (!gen_parms)
	return -ENOMEM;

	gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;

	memcpy(&gen_parms->general_params, gp, sizeof(*gp));

	/* If we started in PLT FEM_DETECT mode, force auto detect */
	if (wl->plt_mode == PLT_FEM_DETECT)
	gen_parms->general_params.tx_bip_fem_auto_detect = true;

	if (gen_parms->general_params.tx_bip_fem_auto_detect)
	answer = true;

	/* Replace REF and TCXO CLKs with the ones from platform data */
	gen_parms->general_params.ref_clock = priv->ref_clock;
	gen_parms->general_params.tcxo_ref_clock = priv->tcxo_clock;

	ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
	if (ret < 0) {
	wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
	goto out;
	}

	gp->tx_bip_fem_manufacturer =
	gen_parms->general_params.tx_bip_fem_manufacturer;

	if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
	wl1271_warning("FEM index from FW out of bounds");
	ret = -EINVAL;
	goto out;
	}

	/* If we are in calibrator based fem auto detect - save fem nr */
	if (wl->plt_mode == PLT_FEM_DETECT)
	wl->fem_manuf = gp->tx_bip_fem_manufacturer;

	wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
	answer == false ?
	"manual" :
	wl->plt_mode == PLT_FEM_DETECT ?
	"calibrator_fem_detect" :
	"auto",
	gp->tx_bip_fem_manufacturer);

	out:
	kfree(gen_parms);
	return ret;
	}

	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, fem_idx;

	if (!wl->nvs)
	return -ENODEV;

	radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
	if (!radio_parms)
	return -ENOMEM;

	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[fem_idx].params,
	sizeof(struct wl1271_ini_fem_params_2));

	/* 5GHz parameters */
	memcpy(&radio_parms->static_params_5,
	&nvs->stat_radio_params_5,
	sizeof(struct wl1271_ini_band_params_5));
	memcpy(&radio_parms->dyn_params_5,
	&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: ",
	radio_parms, sizeof(*radio_parms));

	ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
	if (ret < 0)
	wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");

	kfree(radio_parms);
	return ret;
	}

	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, fem_idx;

	if (!wl->nvs)
	return -ENODEV;

	radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
	if (!radio_parms)
	return -ENOMEM;

	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[fem_idx].params,
	sizeof(struct wl128x_ini_fem_params_2));

	/* 5GHz parameters */
	memcpy(&radio_parms->static_params_5,
	&nvs->stat_radio_params_5,
	sizeof(struct wl128x_ini_band_params_5));
	memcpy(&radio_parms->dyn_params_5,
	&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;

	wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
	radio_parms, sizeof(*radio_parms));

	ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
	if (ret < 0)
	wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");

	kfree(radio_parms);
	return ret;
	}

	int wl12xx_cmd_channel_switch(struct wl1271 *wl,
	struct wl12xx_vif *wlvif,
	struct ieee80211_channel_switch *ch_switch)
	{
	struct wl12xx_cmd_channel_switch *cmd;
	int ret;

	wl1271_debug(DEBUG_ACX, "cmd channel switch");

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

	cmd->role_id = wlvif->role_id;
	cmd->channel = ch_switch->chandef.chan->hw_value;
	cmd->switch_time = ch_switch->count;
	cmd->stop_tx = ch_switch->block_tx;

	/* FIXME: control from mac80211 in the future */
	/* Enable TX on the target channel */
	cmd->post_switch_tx_disable = 0;

	ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0);
	if (ret < 0) {
	wl1271_error("failed to send channel switch command");
	goto out_free;
	}

	out_free:
	kfree(cmd);

	out:
	return ret;
	}