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/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* File: wcmd.c
*
* Purpose: Handles the management command interface functions
*
* Author: Lyndon Chen
*
* Date: May 8, 2003
*
* Functions:
* s_vProbeChannel - Active scan channel
* s_MgrMakeProbeRequest - Make ProbeRequest packet
* CommandTimer - Timer function to handle command
* s_bCommandComplete - Command Complete function
* bScheduleCommand - Push Command and wait Command Scheduler to do
* vCommandTimer- Command call back functions
* vCommandTimerWait- Call back timer
* s_bClearBSSID_SCAN- Clear BSSID_SCAN cmd in CMD Queue
*
* Revision History:
*
*/
#include "device.h"
#include "mac.h"
#include "card.h"
#include "wcmd.h"
#include "power.h"
#include "baseband.h"
#include "usbpipe.h"
#include "rxtx.h"
#include "rf.h"
#include "channel.h"
static int msglevel = MSG_LEVEL_INFO;
//static int msglevel = MSG_LEVEL_DEBUG;
static int s_bCommandComplete(struct vnt_private *);
static void vCommandTimerWait(struct vnt_private *priv, unsigned long msecs)
{
schedule_delayed_work(&priv->run_command_work, msecs_to_jiffies(msecs));
}
void vRunCommand(struct work_struct *work)
{
struct vnt_private *priv =
container_of(work, struct vnt_private, run_command_work.work);
if (priv->Flags & fMP_DISCONNECTED)
return;
if (priv->bCmdRunning != true)
return;
switch (priv->eCommandState) {
case WLAN_CMD_INIT_MAC80211_START:
if (priv->mac_hw)
break;
dev_info(&priv->usb->dev, "Starting mac80211\n");
if (vnt_init(priv)) {
/* If fail all ends TODO retry */
dev_err(&priv->usb->dev, "failed to start\n");
ieee80211_free_hw(priv->hw);
return;
}
break;
case WLAN_CMD_TBTT_WAKEUP_START:
vnt_next_tbtt_wakeup(priv);
break;
case WLAN_CMD_BECON_SEND_START:
if (!priv->vif)
break;
vnt_beacon_make(priv, priv->vif);
vnt_mac_reg_bits_on(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
break;
case WLAN_CMD_SETPOWER_START:
vnt_rf_setpower(priv, priv->wCurrentRate,
priv->hw->conf.chandef.chan->hw_value);
break;
case WLAN_CMD_CHANGE_ANTENNA_START:
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
"Change from Antenna%d to", (int)priv->dwRxAntennaSel);
if (priv->dwRxAntennaSel == 0) {
priv->dwRxAntennaSel = 1;
if (priv->bTxRxAntInv == true)
BBvSetAntennaMode(priv, ANT_RXA);
else
BBvSetAntennaMode(priv, ANT_RXB);
} else {
priv->dwRxAntennaSel = 0;
if (priv->bTxRxAntInv == true)
BBvSetAntennaMode(priv, ANT_RXB);
else
BBvSetAntennaMode(priv, ANT_RXA);
}
break;
case WLAN_CMD_11H_CHSW_START:
vnt_set_channel(priv, priv->hw->conf.chandef.chan->hw_value);
break;
default:
break;
} //switch
s_bCommandComplete(priv);
return;
}
static int s_bCommandComplete(struct vnt_private *pDevice)
{
int bRadioCmd = false;
int bForceSCAN = true;
pDevice->eCommandState = WLAN_CMD_IDLE;
if (pDevice->cbFreeCmdQueue == CMD_Q_SIZE) {
//Command Queue Empty
pDevice->bCmdRunning = false;
return true;
} else {
pDevice->eCommand = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].eCmd;
bRadioCmd = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].bRadioCmd;
bForceSCAN = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].bForceSCAN;
ADD_ONE_WITH_WRAP_AROUND(pDevice->uCmdDequeueIdx, CMD_Q_SIZE);
pDevice->cbFreeCmdQueue++;
pDevice->bCmdRunning = true;
switch (pDevice->eCommand) {
case WLAN_CMD_INIT_MAC80211:
pDevice->eCommandState = WLAN_CMD_INIT_MAC80211_START;
break;
case WLAN_CMD_TBTT_WAKEUP:
pDevice->eCommandState = WLAN_CMD_TBTT_WAKEUP_START;
break;
case WLAN_CMD_BECON_SEND:
pDevice->eCommandState = WLAN_CMD_BECON_SEND_START;
break;
case WLAN_CMD_SETPOWER:
pDevice->eCommandState = WLAN_CMD_SETPOWER_START;
break;
case WLAN_CMD_CHANGE_ANTENNA:
pDevice->eCommandState = WLAN_CMD_CHANGE_ANTENNA_START;
break;
case WLAN_CMD_11H_CHSW:
pDevice->eCommandState = WLAN_CMD_11H_CHSW_START;
break;
default:
break;
}
vCommandTimerWait(pDevice, 0);
}
return true;
}
int bScheduleCommand(struct vnt_private *pDevice,
CMD_CODE eCommand, u8 *pbyItem0)
{
if (pDevice->cbFreeCmdQueue == 0)
return false;
pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].eCmd = eCommand;
pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].bForceSCAN = true;
ADD_ONE_WITH_WRAP_AROUND(pDevice->uCmdEnqueueIdx, CMD_Q_SIZE);
pDevice->cbFreeCmdQueue--;
if (pDevice->bCmdRunning == false)
s_bCommandComplete(pDevice);
return true;
}
void vResetCommandTimer(struct vnt_private *pDevice)
{
pDevice->cbFreeCmdQueue = CMD_Q_SIZE;
pDevice->uCmdDequeueIdx = 0;
pDevice->uCmdEnqueueIdx = 0;
pDevice->eCommandState = WLAN_CMD_IDLE;
pDevice->bCmdRunning = false;
pDevice->bCmdClear = false;
}
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