path: root/drivers/net/wireless/mwifiex/sta_cmd.c

/*
 * Marvell Wireless LAN device driver: station command handling
 *
 * Copyright (C) 2011, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 */

#include "decl.h"
#include "ioctl.h"
#include "util.h"
#include "fw.h"
#include "main.h"
#include "wmm.h"
#include "11n.h"

/*
 * This function prepares command to set/get RSSI information.
 *
 * Preparation includes -
 *      - Setting command ID, action and proper size
 *      - Setting data/beacon average factors
 *      - Resetting SNR/NF/RSSI values in private structure
 *      - Ensuring correct endian-ness
 */
static int
mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
			     struct host_cmd_ds_command *cmd, u16 cmd_action)
{
	cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
				S_DS_GEN);
	cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
	cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
	cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);

	/* Reset SNR/NF/RSSI values in private structure */
	priv->data_rssi_last = 0;
	priv->data_nf_last = 0;
	priv->data_rssi_avg = 0;
	priv->data_nf_avg = 0;
	priv->bcn_rssi_last = 0;
	priv->bcn_nf_last = 0;
	priv->bcn_rssi_avg = 0;
	priv->bcn_nf_avg = 0;

	return 0;
}

/*
 * This function prepares command to set MAC control.
 *
 * Preparation includes -
 *      - Setting command ID, action and proper size
 *      - Ensuring correct endian-ness
 */
static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
				   struct host_cmd_ds_command *cmd,
				   u16 cmd_action, void *data_buf)
{
	struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
	u16 action = *((u16 *) data_buf);

	if (cmd_action != HostCmd_ACT_GEN_SET) {
		dev_err(priv->adapter->dev,
			"mac_control: only support set cmd\n");
		return -1;
	}

	cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
	cmd->size =
		cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
	mac_ctrl->action = cpu_to_le16(action);

	return 0;
}

/*
 * This function prepares command to set/get SNMP MIB.
 *
 * Preparation includes -
 *      - Setting command ID, action and proper size
 *      - Setting SNMP MIB OID number and value
 *        (as required)
 *      - Ensuring correct endian-ness
 *
 * The following SNMP MIB OIDs are supported -
 *      - FRAG_THRESH_I     : Fragmentation threshold
 *      - RTS_THRESH_I      : RTS threshold
 *      - SHORT_RETRY_LIM_I : Short retry limit
 *      - DOT11D_I          : 11d support
 */
static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
				       struct host_cmd_ds_command *cmd,
				       u16 cmd_action, u32 cmd_oid,
				       void *data_buf)
{
	struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
	u32 ul_temp;

	dev_dbg(priv->adapter->dev,