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![Malcolm Priestley](/assets/img/avatar_default.png)
if returns out so remove else Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
218 lines
5.1 KiB
C
218 lines
5.1 KiB
C
/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* File: wcmd.c
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*
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* Purpose: Handles the management command interface functions
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*
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* Author: Lyndon Chen
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*
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* Date: May 8, 2003
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*
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* Functions:
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* s_vProbeChannel - Active scan channel
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* s_MgrMakeProbeRequest - Make ProbeRequest packet
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* CommandTimer - Timer function to handle command
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* s_bCommandComplete - Command Complete function
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* bScheduleCommand - Push Command and wait Command Scheduler to do
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* vCommandTimer- Command call back functions
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* vCommandTimerWait- Call back timer
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* s_bClearBSSID_SCAN- Clear BSSID_SCAN cmd in CMD Queue
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*
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* Revision History:
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*
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*/
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#include "device.h"
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#include "mac.h"
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#include "card.h"
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#include "wcmd.h"
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#include "power.h"
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#include "baseband.h"
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#include "usbpipe.h"
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#include "rxtx.h"
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#include "rf.h"
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#include "channel.h"
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static int msglevel = MSG_LEVEL_INFO;
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//static int msglevel = MSG_LEVEL_DEBUG;
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static int s_bCommandComplete(struct vnt_private *);
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static void vCommandTimerWait(struct vnt_private *priv, unsigned long msecs)
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{
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schedule_delayed_work(&priv->run_command_work, msecs_to_jiffies(msecs));
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}
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void vRunCommand(struct work_struct *work)
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{
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struct vnt_private *priv =
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container_of(work, struct vnt_private, run_command_work.work);
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if (priv->Flags & fMP_DISCONNECTED)
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return;
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if (priv->bCmdRunning != true)
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return;
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switch (priv->eCommandState) {
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case WLAN_CMD_INIT_MAC80211_START:
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if (priv->mac_hw)
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break;
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dev_info(&priv->usb->dev, "Starting mac80211\n");
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if (vnt_init(priv)) {
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/* If fail all ends TODO retry */
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dev_err(&priv->usb->dev, "failed to start\n");
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ieee80211_free_hw(priv->hw);
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return;
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}
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break;
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case WLAN_CMD_TBTT_WAKEUP_START:
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vnt_next_tbtt_wakeup(priv);
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break;
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case WLAN_CMD_BECON_SEND_START:
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if (!priv->vif)
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break;
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vnt_beacon_make(priv, priv->vif);
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vnt_mac_reg_bits_on(priv, MAC_REG_TCR, TCR_AUTOBCNTX);
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break;
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case WLAN_CMD_SETPOWER_START:
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vnt_rf_setpower(priv, priv->wCurrentRate,
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priv->hw->conf.chandef.chan->hw_value);
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break;
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case WLAN_CMD_CHANGE_ANTENNA_START:
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DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
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"Change from Antenna%d to", (int)priv->dwRxAntennaSel);
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if (priv->dwRxAntennaSel == 0) {
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priv->dwRxAntennaSel = 1;
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if (priv->bTxRxAntInv == true)
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BBvSetAntennaMode(priv, ANT_RXA);
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else
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BBvSetAntennaMode(priv, ANT_RXB);
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} else {
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priv->dwRxAntennaSel = 0;
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if (priv->bTxRxAntInv == true)
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BBvSetAntennaMode(priv, ANT_RXB);
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else
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BBvSetAntennaMode(priv, ANT_RXA);
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}
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break;
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case WLAN_CMD_11H_CHSW_START:
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vnt_set_channel(priv, priv->hw->conf.chandef.chan->hw_value);
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break;
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default:
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break;
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} //switch
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s_bCommandComplete(priv);
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return;
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}
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static int s_bCommandComplete(struct vnt_private *pDevice)
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{
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pDevice->eCommandState = WLAN_CMD_IDLE;
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if (pDevice->cbFreeCmdQueue == CMD_Q_SIZE) {
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//Command Queue Empty
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pDevice->bCmdRunning = false;
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return true;
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}
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pDevice->eCommand = pDevice->eCmdQueue[pDevice->uCmdDequeueIdx].eCmd;
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ADD_ONE_WITH_WRAP_AROUND(pDevice->uCmdDequeueIdx, CMD_Q_SIZE);
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pDevice->cbFreeCmdQueue++;
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pDevice->bCmdRunning = true;
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switch (pDevice->eCommand) {
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case WLAN_CMD_INIT_MAC80211:
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pDevice->eCommandState = WLAN_CMD_INIT_MAC80211_START;
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break;
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case WLAN_CMD_TBTT_WAKEUP:
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pDevice->eCommandState = WLAN_CMD_TBTT_WAKEUP_START;
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break;
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case WLAN_CMD_BECON_SEND:
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pDevice->eCommandState = WLAN_CMD_BECON_SEND_START;
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break;
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case WLAN_CMD_SETPOWER:
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pDevice->eCommandState = WLAN_CMD_SETPOWER_START;
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break;
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case WLAN_CMD_CHANGE_ANTENNA:
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pDevice->eCommandState = WLAN_CMD_CHANGE_ANTENNA_START;
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break;
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case WLAN_CMD_11H_CHSW:
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pDevice->eCommandState = WLAN_CMD_11H_CHSW_START;
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break;
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default:
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break;
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}
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vCommandTimerWait(pDevice, 0);
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return true;
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}
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int bScheduleCommand(struct vnt_private *pDevice,
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CMD_CODE eCommand, u8 *pbyItem0)
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{
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if (pDevice->cbFreeCmdQueue == 0)
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return false;
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pDevice->eCmdQueue[pDevice->uCmdEnqueueIdx].eCmd = eCommand;
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ADD_ONE_WITH_WRAP_AROUND(pDevice->uCmdEnqueueIdx, CMD_Q_SIZE);
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pDevice->cbFreeCmdQueue--;
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if (pDevice->bCmdRunning == false)
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s_bCommandComplete(pDevice);
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return true;
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}
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void vResetCommandTimer(struct vnt_private *pDevice)
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{
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pDevice->cbFreeCmdQueue = CMD_Q_SIZE;
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pDevice->uCmdDequeueIdx = 0;
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pDevice->uCmdEnqueueIdx = 0;
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pDevice->eCommandState = WLAN_CMD_IDLE;
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pDevice->bCmdRunning = false;
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pDevice->bCmdClear = false;
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}
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