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gerrit-public.fairphone.software / kernel / msm-4.9 / e829d65e7855fb4c98a81dd8c210c5b6d738bde1 / . / drivers / staging / rtl8192e / rtl_core.c
blob: f585f71e14b74515fc64b726eac0bd49da101233 [file] [log] [blame]
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* Based on the r8180 driver, which is:
* Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License 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 Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
******************************************************************************/
#undef RX_DONT_PASS_UL
#undef DEBUG_EPROM
#undef DEBUG_RX_VERBOSE
#undef DUMMY_RX
#undef DEBUG_ZERO_RX
#undef DEBUG_RX_SKB
#undef DEBUG_TX_FRAG
#undef DEBUG_RX_FRAG
#undef DEBUG_TX_FILLDESC
#undef DEBUG_TX
#undef DEBUG_IRQ
#undef DEBUG_RX
#undef DEBUG_RXALLOC
#undef DEBUG_REGISTERS
#undef DEBUG_RING
#undef DEBUG_IRQ_TASKLET
#undef DEBUG_TX_ALLOC
#undef DEBUG_TX_DESC
#include <asm/uaccess.h>
#include <linux/pci.h>
#include "rtl_core.h"
#include "r8192E_phy.h"
#include "r8192E_phyreg.h"
#include "r8190P_rtl8256.h"
#include "r8192E_cmdpkt.h"
#include "rtl_wx.h"
#include "rtl_dm.h"
#ifdef CONFIG_PM_RTL
#include "rtl_pm.h"
#endif
int hwwep = 1;
static int channels = 0x3fff;
char* ifname = "wlan%d";
struct rtl819x_ops rtl819xp_ops = {
.nic_type = NIC_8192E,
.get_eeprom_size = rtl8192_get_eeprom_size,
.init_adapter_variable = rtl8192_InitializeVariables,
.initialize_adapter = rtl8192_adapter_start,
.link_change = rtl8192_link_change,
.tx_fill_descriptor = rtl8192_tx_fill_desc,
.tx_fill_cmd_descriptor = rtl8192_tx_fill_cmd_desc,
.rx_query_status_descriptor = rtl8192_rx_query_status_desc,
.rx_command_packet_handler = NULL,
.stop_adapter = rtl8192_halt_adapter,
.update_ratr_table = rtl8192_update_ratr_table,
.irq_enable = rtl8192_EnableInterrupt,
.irq_disable = rtl8192_DisableInterrupt,
.irq_clear = rtl8192_ClearInterrupt,
.rx_enable = rtl8192_enable_rx,
.tx_enable = rtl8192_enable_tx,
.interrupt_recognized = rtl8192_interrupt_recognized,
.TxCheckStuckHandler = rtl8192_HalTxCheckStuck,
.RxCheckStuckHandler = rtl8192_HalRxCheckStuck,
};
static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
{RTL_PCI_DEVICE(0x10ec, 0x8192, rtl819xp_ops)},
{RTL_PCI_DEVICE(0x07aa, 0x0044, rtl819xp_ops)},
{RTL_PCI_DEVICE(0x07aa, 0x0047, rtl819xp_ops)},
{}
};
MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id);
static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
static struct pci_driver rtl8192_pci_driver = {
.name = DRV_NAME, /* Driver name */
.id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
.probe = rtl8192_pci_probe, /* probe fn */
.remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
.suspend = rtl8192E_suspend, /* PM suspend fn */
.resume = rtl8192E_resume, /* PM resume fn */
};
/****************************************************************************
-----------------------------IO STUFF-------------------------
*****************************************************************************/
bool
PlatformIOCheckPageLegalAndGetRegMask(
u32 u4bPage,
u8* pu1bPageMask
)
{
bool bReturn = false;
*pu1bPageMask = 0xfe;
switch (u4bPage)
{
case 1: case 2: case 3: case 4:
case 8: case 9: case 10: case 12: case 13:
bReturn = true;
*pu1bPageMask = 0xf0;
break;
default:
bReturn = false;
break;
}
return bReturn;
}
void write_nic_io_byte(struct net_device *dev, int x,u8 y)
{
u32 u4bPage = (x >> 8);
u8 u1PageMask = 0;
bool bIsLegalPage = false;
if (u4bPage == 0)
{
outb(y&0xff,dev->base_addr +x);
}else
{
bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
if (bIsLegalPage)
{
u8 u1bPsr = read_nic_io_byte(dev, PSR);
write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
write_nic_io_byte(dev, (x & 0xff), y);
write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
}else
{
;
}
}
}
void write_nic_io_word(struct net_device *dev, int x,u16 y)
{
u32 u4bPage = (x >> 8);
u8 u1PageMask = 0;
bool bIsLegalPage = false;
if (u4bPage == 0)
{
outw(y,dev->base_addr +x);
}else
{
bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
if (bIsLegalPage)
{
u8 u1bPsr = read_nic_io_byte(dev, PSR);
write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
write_nic_io_word(dev, (x & 0xff), y);
write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
}else
{
;
}
}
}
void write_nic_io_dword(struct net_device *dev, int x,u32 y)
{
u32 u4bPage = (x >> 8);
u8 u1PageMask = 0;
bool bIsLegalPage = false;
if (u4bPage == 0)
{
outl(y,dev->base_addr +x);
}else
{
bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
if (bIsLegalPage)
{
u8 u1bPsr = read_nic_io_byte(dev, PSR);
write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
write_nic_io_dword(dev, (x & 0xff), y);
write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
}else
{
;
}
}
}
u8 read_nic_io_byte(struct net_device *dev, int x)
{
u32 u4bPage = (x >> 8);
u8 u1PageMask = 0;
bool bIsLegalPage = false;
u8 Data = 0;
if (u4bPage == 0)
{
return 0xff&inb(dev->base_addr +x);
}else
{
bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
if (bIsLegalPage)
{
u8 u1bPsr = read_nic_io_byte(dev, PSR);
write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
Data = read_nic_io_byte(dev, (x & 0xff));
write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
}else
{
;
}
}
return Data;
}
u16 read_nic_io_word(struct net_device *dev, int x)
{
u32 u4bPage = (x >> 8);
u8 u1PageMask = 0;
bool bIsLegalPage = false;
u16 Data = 0;
if (u4bPage == 0)
{
return inw(dev->base_addr +x);
}else
{
bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
if (bIsLegalPage)
{
u8 u1bPsr = read_nic_io_byte(dev, PSR);
write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
Data = read_nic_io_word(dev, (x & 0xff));
write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
}else
{
;
}
}
return Data;
}
u32 read_nic_io_dword(struct net_device *dev, int x)
{
u32 u4bPage = (x >> 8);
u8 u1PageMask = 0;
bool bIsLegalPage = false;
u32 Data = 0;
if (u4bPage == 0)
{
return inl(dev->base_addr +x);
}else
{
bIsLegalPage = PlatformIOCheckPageLegalAndGetRegMask(u4bPage, &u1PageMask);
if (bIsLegalPage)
{
u8 u1bPsr = read_nic_io_byte(dev, PSR);
write_nic_io_byte(dev, PSR, ((u1bPsr & u1PageMask) | (u8)u4bPage));
Data = read_nic_io_dword(dev, (x & 0xff));
write_nic_io_byte(dev, PSR, (u1bPsr & u1PageMask));
}else
{
;
}
}
return Data;
}
u8 read_nic_byte(struct net_device *dev, int x)
{
return 0xff&readb((u8*)dev->mem_start +x);
}
u32 read_nic_dword(struct net_device *dev, int x)
{
return readl((u8*)dev->mem_start +x);
}
u16 read_nic_word(struct net_device *dev, int x)
{
return readw((u8*)dev->mem_start +x);
}
void write_nic_byte(struct net_device *dev, int x,u8 y)
{
writeb(y,(u8*)dev->mem_start +x);
udelay(20);
}
void write_nic_dword(struct net_device *dev, int x,u32 y)
{
writel(y,(u8*)dev->mem_start +x);
udelay(20);
}
void write_nic_word(struct net_device *dev, int x,u16 y)
{
writew(y,(u8*)dev->mem_start +x);
udelay(20);
}
/****************************************************************************
-----------------------------GENERAL FUNCTION-------------------------
*****************************************************************************/
bool
MgntActSet_RF_State(
struct net_device* dev,
enum rt_rf_power_state StateToSet,
RT_RF_CHANGE_SOURCE ChangeSource,
bool ProtectOrNot
)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rtllib_device * ieee = priv->rtllib;
bool bActionAllowed = false;
bool bConnectBySSID = false;
enum rt_rf_power_state rtState;
u16 RFWaitCounter = 0;
unsigned long flag;
RT_TRACE((COMP_PS | COMP_RF), "===>MgntActSet_RF_State(): StateToSet(%d)\n",StateToSet);
ProtectOrNot = false;
if (!ProtectOrNot)
{
while(true)
{
spin_lock_irqsave(&priv->rf_ps_lock,flag);
if (priv->RFChangeInProgress)
{
spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): RF Change in progress! Wait to set..StateToSet(%d).\n", StateToSet);
while(priv->RFChangeInProgress)
{
RFWaitCounter ++;
RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Wait 1 ms (%d times)...\n", RFWaitCounter);
mdelay(1);
if (RFWaitCounter > 100)
{
RT_TRACE(COMP_ERR, "MgntActSet_RF_State(): Wait too logn to set RF\n");
return false;
}
}
}
else
{
priv->RFChangeInProgress = true;
spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
break;
}
}
}
rtState = priv->rtllib->eRFPowerState;
switch (StateToSet)
{
case eRfOn:
priv->rtllib->RfOffReason &= (~ChangeSource);
if ((ChangeSource == RF_CHANGE_BY_HW) && (priv->bHwRadioOff == true)){
priv->bHwRadioOff = false;
}
if (! priv->rtllib->RfOffReason)
{
priv->rtllib->RfOffReason = 0;
bActionAllowed = true;
if (rtState == eRfOff && ChangeSource >=RF_CHANGE_BY_HW )
{
bConnectBySSID = true;
}
}
else{
RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State - eRfon reject pMgntInfo->RfOffReason= 0x%x, ChangeSource=0x%X\n", priv->rtllib->RfOffReason, ChangeSource);
}
break;
case eRfOff:
if ((priv->rtllib->iw_mode == IW_MODE_INFRA) || (priv->rtllib->iw_mode == IW_MODE_ADHOC))
{
if ((priv->rtllib->RfOffReason > RF_CHANGE_BY_IPS) || (ChangeSource > RF_CHANGE_BY_IPS))
{
if (ieee->state == RTLLIB_LINKED)
priv->blinked_ingpio = true;
else
priv->blinked_ingpio = false;
rtllib_MgntDisconnect(priv->rtllib,disas_lv_ss);
}
}
if ((ChangeSource == RF_CHANGE_BY_HW) && (priv->bHwRadioOff == false)){
priv->bHwRadioOff = true;
}
priv->rtllib->RfOffReason |= ChangeSource;
bActionAllowed = true;
break;
case eRfSleep:
priv->rtllib->RfOffReason |= ChangeSource;
bActionAllowed = true;
break;
default:
break;
}
if (bActionAllowed)
{
RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n", StateToSet, priv->rtllib->RfOffReason);
PHY_SetRFPowerState(dev, StateToSet);
if (StateToSet == eRfOn)
{
if (bConnectBySSID && (priv->blinked_ingpio == true))
{
queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 0);
priv->blinked_ingpio = false;
}
}
} else {
RT_TRACE((COMP_PS | COMP_RF), "MgntActSet_RF_State(): Action is rejected.... StateToSet(%d), ChangeSource(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource, priv->rtllib->RfOffReason);
}
if (!ProtectOrNot)
{
spin_lock_irqsave(&priv->rf_ps_lock,flag);
priv->RFChangeInProgress = false;
spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
}
RT_TRACE((COMP_PS && COMP_RF), "<===MgntActSet_RF_State()\n");
return bActionAllowed;
}
short rtl8192_get_nic_desc_num(struct net_device *dev, int prio)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
/* For now, we reserved two free descriptor as a safety boundary
* between the tail and the head
*/
if ((prio == MGNT_QUEUE) &&(skb_queue_len(&ring->queue)>10))
RT_TRACE(COMP_DBG, "-----[%d]---------ring->idx=%d queue_len=%d---------\n",
prio,ring->idx, skb_queue_len(&ring->queue));
return skb_queue_len(&ring->queue);
}
short rtl8192_check_nic_enough_desc(struct net_device *dev, int prio)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
if (ring->entries - skb_queue_len(&ring->queue) >= 2) {
return 1;
} else {
return 0;
}
}
void rtl8192_tx_timeout(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
schedule_work(&priv->reset_wq);
printk("TXTIMEOUT");
}
void rtl8192_irq_enable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
priv->irq_enabled = 1;
priv->ops->irq_enable(dev);
}
void rtl8192_irq_disable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
priv->ops->irq_disable(dev);
priv->irq_enabled = 0;
}
void rtl8192_irq_clear(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
priv->ops->irq_clear(dev);
}
void rtl8192_set_chan(struct net_device *dev,short ch)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
if (priv->chan_forced)
return;
priv->chan = ch;
if (priv->rf_set_chan)
priv->rf_set_chan(dev,priv->chan);
}
void rtl8192_update_cap(struct net_device* dev, u16 cap)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rtllib_network *net = &priv->rtllib->current_network;
{
bool ShortPreamble;
if (cap & WLAN_CAPABILITY_SHORT_PREAMBLE)
{
if (priv->dot11CurrentPreambleMode != PREAMBLE_SHORT)
{
ShortPreamble = true;
priv->dot11CurrentPreambleMode = PREAMBLE_SHORT;
RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_SHORT_PREAMBLE\n", __func__);
priv->rtllib->SetHwRegHandler( dev, HW_VAR_ACK_PREAMBLE, (unsigned char *)&ShortPreamble );
}
}
else
{
if (priv->dot11CurrentPreambleMode != PREAMBLE_LONG)
{
ShortPreamble = false;
priv->dot11CurrentPreambleMode = PREAMBLE_LONG;
RT_TRACE(COMP_DBG, "%s(): WLAN_CAPABILITY_LONG_PREAMBLE\n", __func__);
priv->rtllib->SetHwRegHandler( dev, HW_VAR_ACK_PREAMBLE, (unsigned char *)&ShortPreamble );
}
}
}
if (net->mode & (IEEE_G|IEEE_N_24G))
{
u8 slot_time_val;
u8 CurSlotTime = priv->slot_time;
if ((cap & WLAN_CAPABILITY_SHORT_SLOT_TIME) && (!priv->rtllib->pHTInfo->bCurrentRT2RTLongSlotTime))
{
if (CurSlotTime != SHORT_SLOT_TIME)
{
slot_time_val = SHORT_SLOT_TIME;
priv->rtllib->SetHwRegHandler( dev, HW_VAR_SLOT_TIME, &slot_time_val );
}
}
else
{
if (CurSlotTime != NON_SHORT_SLOT_TIME)
{
slot_time_val = NON_SHORT_SLOT_TIME;
priv->rtllib->SetHwRegHandler( dev, HW_VAR_SLOT_TIME, &slot_time_val );
}
}
}
}
static struct rtllib_qos_parameters def_qos_parameters = {
{3,3,3,3},
{7,7,7,7},
{2,2,2,2},
{0,0,0,0},
{0,0,0,0}
};
void rtl8192_update_beacon(void *data)
{
struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, update_beacon_wq.work);
struct net_device *dev = priv->rtllib->dev;
struct rtllib_device* ieee = priv->rtllib;
struct rtllib_network* net = &ieee->current_network;
if (ieee->pHTInfo->bCurrentHTSupport)
HTUpdateSelfAndPeerSetting(ieee, net);
ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
ieee->pHTInfo->RT2RT_HT_Mode = net->bssht.RT2RT_HT_Mode;
rtl8192_update_cap(dev, net->capability);
}
#define MOVE_INTO_HANDLER
int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
void rtl8192_qos_activate(void *data)
{
struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, qos_activate);
struct net_device *dev = priv->rtllib->dev;
#ifndef MOVE_INTO_HANDLER
struct rtllib_qos_parameters *qos_parameters = &priv->rtllib->current_network.qos_data.parameters;
u8 mode = priv->rtllib->current_network.mode;
u8 u1bAIFS;
u32 u4bAcParam;
#endif
int i;
if (priv == NULL)
return;
mutex_lock(&priv->mutex);
if (priv->rtllib->state != RTLLIB_LINKED)
goto success;
RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
for (i = 0; i < QOS_QUEUE_NUM; i++) {
#ifndef MOVE_INTO_HANDLER
u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
(((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
(((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
RT_TRACE(COMP_DBG, "===>ACI:%d:u4bAcParam:%x\n", i, u4bAcParam);
write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
#else
priv->rtllib->SetHwRegHandler(dev, HW_VAR_AC_PARAM, (u8*)(&i));
#endif
}
success:
mutex_unlock(&priv->mutex);
}
static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
int active_network,
struct rtllib_network *network)
{
int ret = 0;
u32 size = sizeof(struct rtllib_qos_parameters);
if (priv->rtllib->state !=RTLLIB_LINKED)
return ret;
if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
return ret;
if (network->flags & NETWORK_HAS_QOS_MASK) {
if (active_network &&
(network->flags & NETWORK_HAS_QOS_PARAMETERS))
network->qos_data.active = network->qos_data.supported;
if ((network->qos_data.active == 1) && (active_network == 1) &&
(network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
(network->qos_data.old_param_count !=
network->qos_data.param_count)) {
network->qos_data.old_param_count =
network->qos_data.param_count;
priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
queue_work_rsl(priv->priv_wq, &priv->qos_activate);
RT_TRACE (COMP_QOS, "QoS parameters change call "
"qos_activate\n");
}
} else {
memcpy(&priv->rtllib->current_network.qos_data.parameters,\
&def_qos_parameters, size);
if ((network->qos_data.active == 1) && (active_network == 1)) {
queue_work_rsl(priv->priv_wq, &priv->qos_activate);
RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
}
network->qos_data.active = 0;
network->qos_data.supported = 0;
}
return 0;
}
static int rtl8192_handle_beacon(struct net_device * dev,
struct rtllib_beacon * beacon,
struct rtllib_network * network)
{
struct r8192_priv *priv = rtllib_priv(dev);
rtl8192_qos_handle_probe_response(priv,1,network);
queue_delayed_work_rsl(priv->priv_wq, &priv->update_beacon_wq, 0);
return 0;
}
static int rtl8192_qos_association_resp(struct r8192_priv *priv,
struct rtllib_network *network)
{
int ret = 0;
unsigned long flags;
u32 size = sizeof(struct rtllib_qos_parameters);
int set_qos_param = 0;
if ((priv == NULL) || (network == NULL))
return ret;
if (priv->rtllib->state !=RTLLIB_LINKED)
return ret;
if ((priv->rtllib->iw_mode != IW_MODE_INFRA))
return ret;
spin_lock_irqsave(&priv->rtllib->lock, flags);
if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
memcpy(&priv->rtllib->current_network.qos_data.parameters,\
&network->qos_data.parameters,\
sizeof(struct rtllib_qos_parameters));
priv->rtllib->current_network.qos_data.active = 1;
priv->rtllib->wmm_acm = network->qos_data.wmm_acm;
set_qos_param = 1;
priv->rtllib->current_network.qos_data.old_param_count =
priv->rtllib->current_network.qos_data.param_count;
priv->rtllib->current_network.qos_data.param_count =
network->qos_data.param_count;
} else {
memcpy(&priv->rtllib->current_network.qos_data.parameters,
&def_qos_parameters, size);
priv->rtllib->current_network.qos_data.active = 0;
priv->rtllib->current_network.qos_data.supported = 0;
set_qos_param = 1;
}
spin_unlock_irqrestore(&priv->rtllib->lock, flags);
RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
network->flags ,priv->rtllib->current_network.qos_data.active);
if (set_qos_param == 1) {
dm_init_edca_turbo(priv->rtllib->dev);
queue_work_rsl(priv->priv_wq, &priv->qos_activate);
}
return ret;
}
static int rtl8192_handle_assoc_response(struct net_device *dev,
struct rtllib_assoc_response_frame *resp,
struct rtllib_network *network)
{
struct r8192_priv *priv = rtllib_priv(dev);
rtl8192_qos_association_resp(priv, network);
return 0;
}
void rtl8192_prepare_beacon(struct r8192_priv *priv)
{
struct net_device *dev = priv->rtllib->dev;
struct sk_buff *pskb = NULL, *pnewskb = NULL;
struct cb_desc *tcb_desc = NULL;
struct rtl8192_tx_ring *ring = NULL;
struct tx_desc *pdesc = NULL;
ring = &priv->tx_ring[BEACON_QUEUE];
pskb = __skb_dequeue(&ring->queue);
if (pskb)
kfree_skb(pskb);
pnewskb = rtllib_get_beacon(priv->rtllib);
if (!pnewskb)
return;
tcb_desc = (struct cb_desc *)(pnewskb->cb + 8);
tcb_desc->queue_index = BEACON_QUEUE;
tcb_desc->data_rate = 2;
tcb_desc->RATRIndex = 7;
tcb_desc->bTxDisableRateFallBack = 1;
tcb_desc->bTxUseDriverAssingedRate = 1;
skb_push(pnewskb, priv->rtllib->tx_headroom);
pdesc = &ring->desc[0];
priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, pnewskb);
__skb_queue_tail(&ring->queue, pnewskb);
pdesc->OWN = 1;
return;
}
void rtl8192_stop_beacon(struct net_device *dev)
{
}
void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rtllib_network *net;
u8 i=0, basic_rate = 0;
net = & priv->rtllib->current_network;
for (i = 0; i < net->rates_len; i++) {
basic_rate = net->rates[i] & 0x7f;
switch (basic_rate) {
case MGN_1M:
*rate_config |= RRSR_1M;
break;
case MGN_2M:
*rate_config |= RRSR_2M;
break;
case MGN_5_5M:
*rate_config |= RRSR_5_5M;
break;
case MGN_11M:
*rate_config |= RRSR_11M;
break;
case MGN_6M:
*rate_config |= RRSR_6M;
break;
case MGN_9M:
*rate_config |= RRSR_9M;
break;
case MGN_12M:
*rate_config |= RRSR_12M;
break;
case MGN_18M:
*rate_config |= RRSR_18M;
break;
case MGN_24M:
*rate_config |= RRSR_24M;
break;
case MGN_36M:
*rate_config |= RRSR_36M;
break;
case MGN_48M:
*rate_config |= RRSR_48M;
break;
case MGN_54M:
*rate_config |= RRSR_54M;
break;
}
}
for (i = 0; i < net->rates_ex_len; i++) {
basic_rate = net->rates_ex[i] & 0x7f;
switch (basic_rate) {
case MGN_1M:
*rate_config |= RRSR_1M;
break;
case MGN_2M:
*rate_config |= RRSR_2M;
break;
case MGN_5_5M:
*rate_config |= RRSR_5_5M;
break;
case MGN_11M:
*rate_config |= RRSR_11M;
break;
case MGN_6M:
*rate_config |= RRSR_6M;
break;
case MGN_9M:
*rate_config |= RRSR_9M;
break;
case MGN_12M:
*rate_config |= RRSR_12M;
break;
case MGN_18M:
*rate_config |= RRSR_18M;
break;
case MGN_24M:
*rate_config |= RRSR_24M;
break;
case MGN_36M:
*rate_config |= RRSR_36M;
break;
case MGN_48M:
*rate_config |= RRSR_48M;
break;
case MGN_54M:
*rate_config |= RRSR_54M;
break;
}
}
}
void rtl8192_refresh_supportrate(struct r8192_priv * priv)
{
struct rtllib_device* ieee = priv->rtllib;
if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G) {
memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
memcpy(ieee->Regdot11TxHTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
} else {
memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
}
return;
}
u8 rtl8192_getSupportedWireleeMode(struct net_device*dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
u8 ret = 0;
switch (priv->rf_chip) {
case RF_8225:
case RF_8256:
case RF_6052:
case RF_PSEUDO_11N:
ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G | WIRELESS_MODE_B);
break;
case RF_8258:
ret = (WIRELESS_MODE_A | WIRELESS_MODE_N_5G);
break;
default:
ret = WIRELESS_MODE_B;
break;
}
return ret;
}
void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
{
struct r8192_priv *priv = rtllib_priv(dev);
u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode & bSupportMode) == 0)) {
if (bSupportMode & WIRELESS_MODE_N_24G) {
wireless_mode = WIRELESS_MODE_N_24G;
} else if (bSupportMode & WIRELESS_MODE_N_5G) {
wireless_mode = WIRELESS_MODE_N_5G;
} else if ((bSupportMode & WIRELESS_MODE_A)) {
wireless_mode = WIRELESS_MODE_A;
} else if ((bSupportMode & WIRELESS_MODE_G)) {
wireless_mode = WIRELESS_MODE_G;
} else if ((bSupportMode & WIRELESS_MODE_B)) {
wireless_mode = WIRELESS_MODE_B;
} else {
RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported (%x)!!!\n",
__func__, bSupportMode);
wireless_mode = WIRELESS_MODE_B;
}
}
if ((wireless_mode & (WIRELESS_MODE_B | WIRELESS_MODE_G)) == (WIRELESS_MODE_G | WIRELESS_MODE_B))
wireless_mode = WIRELESS_MODE_G;
priv->rtllib->mode = wireless_mode;
ActUpdateChannelAccessSetting( dev, wireless_mode, &priv->ChannelAccessSetting);
if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G)){
priv->rtllib->pHTInfo->bEnableHT = 1;
RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 1\n", __func__,wireless_mode);
}else{
priv->rtllib->pHTInfo->bEnableHT = 0;
RT_TRACE(COMP_DBG, "%s(), wireless_mode:%x, bEnableHT = 0\n", __func__,wireless_mode);
}
RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
rtl8192_refresh_supportrate(priv);
}
int _rtl8192_sta_up(struct net_device *dev,bool is_silent_reset)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)(&(priv->rtllib->PowerSaveControl));
bool init_status = true;
priv->bDriverIsGoingToUnload = false;
priv->bdisable_nic = false;
priv->up=1;
priv->rtllib->ieee_up=1;
priv->up_first_time = 0;
RT_TRACE(COMP_INIT, "Bringing up iface");
priv->bfirst_init = true;
init_status = priv->ops->initialize_adapter(dev);
if (init_status != true)
{
RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__func__);
priv->bfirst_init = false;
return -1;
}
RT_TRACE(COMP_INIT, "start adapter finished\n");
RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
priv->bfirst_init = false;
if (priv->polling_timer_on == 0){
check_rfctrl_gpio_timer((unsigned long)dev);
}
if (priv->rtllib->state != RTLLIB_LINKED)
rtllib_softmac_start_protocol(priv->rtllib, 0);
rtllib_reset_queue(priv->rtllib);
watch_dog_timer_callback((unsigned long) dev);
if (!netif_queue_stopped(dev))
netif_start_queue(dev);
else
netif_wake_queue(dev);
return 0;
}
int rtl8192_sta_down(struct net_device *dev, bool shutdownrf)
{
struct r8192_priv *priv = rtllib_priv(dev);
unsigned long flags = 0;
u8 RFInProgressTimeOut = 0;
if (priv->up == 0) return -1;
if (priv->rtllib->rtllib_ips_leave != NULL)
priv->rtllib->rtllib_ips_leave(dev);
if (priv->rtllib->state == RTLLIB_LINKED)
LeisurePSLeave(dev);
priv->bDriverIsGoingToUnload = true;
priv->up=0;
priv->rtllib->ieee_up = 0;
priv->bfirst_after_down = 1;
RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
if (!netif_queue_stopped(dev))
netif_stop_queue(dev);
priv->rtllib->wpa_ie_len = 0;
if (priv->rtllib->wpa_ie)
kfree(priv->rtllib->wpa_ie);
priv->rtllib->wpa_ie = NULL;
CamResetAllEntry(dev);
memset(priv->rtllib->swcamtable,0,sizeof(struct sw_cam_table)*32);
rtl8192_irq_disable(dev);
del_timer_sync(&priv->watch_dog_timer);
rtl8192_cancel_deferred_work(priv);
cancel_delayed_work(&priv->rtllib->hw_wakeup_wq);
rtllib_softmac_stop_protocol(priv->rtllib, 0, true);
spin_lock_irqsave(&priv->rf_ps_lock,flags);
while(priv->RFChangeInProgress)
{
spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
if (RFInProgressTimeOut > 100)
{
spin_lock_irqsave(&priv->rf_ps_lock,flags);
break;
}
RT_TRACE(COMP_DBG, "===>%s():RF is in progress, need to wait until rf chang is done.\n",__func__);
mdelay(1);
RFInProgressTimeOut ++;
spin_lock_irqsave(&priv->rf_ps_lock,flags);
}
priv->RFChangeInProgress = true;
spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
priv->ops->stop_adapter(dev, false);
spin_lock_irqsave(&priv->rf_ps_lock,flags);
priv->RFChangeInProgress = false;
spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
udelay(100);
memset(&priv->rtllib->current_network, 0 , offsetof(struct rtllib_network, list));
RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
return 0;
}
static void rtl8192_init_priv_handler(struct net_device* dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
priv->rtllib->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
priv->rtllib->set_chan = rtl8192_set_chan;
priv->rtllib->link_change = priv->ops->link_change;
priv->rtllib->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
priv->rtllib->data_hard_stop = rtl8192_data_hard_stop;
priv->rtllib->data_hard_resume = rtl8192_data_hard_resume;
priv->rtllib->check_nic_enough_desc = rtl8192_check_nic_enough_desc;
priv->rtllib->get_nic_desc_num = rtl8192_get_nic_desc_num;
priv->rtllib->handle_assoc_response = rtl8192_handle_assoc_response;
priv->rtllib->handle_beacon = rtl8192_handle_beacon;
priv->rtllib->SetWirelessMode = rtl8192_SetWirelessMode;
priv->rtllib->LeisurePSLeave = LeisurePSLeave;
priv->rtllib->SetBWModeHandler = rtl8192_SetBWMode;
priv->rf_set_chan = rtl8192_phy_SwChnl;
priv->rtllib->start_send_beacons = rtl8192e_start_beacon;
priv->rtllib->stop_send_beacons = rtl8192_stop_beacon;
priv->rtllib->sta_wake_up = rtl8192_hw_wakeup;
priv->rtllib->enter_sleep_state = rtl8192_hw_to_sleep;
priv->rtllib->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
priv->rtllib->GetNmodeSupportBySecCfg = rtl8192_GetNmodeSupportBySecCfg;
priv->rtllib->GetHalfNmodeSupportByAPsHandler = rtl8192_GetHalfNmodeSupportByAPs;
priv->rtllib->SetHwRegHandler = rtl8192e_SetHwReg;
priv->rtllib->AllowAllDestAddrHandler = rtl8192_AllowAllDestAddr;
priv->rtllib->SetFwCmdHandler = NULL;
priv->rtllib->InitialGainHandler = InitialGain819xPci;
priv->rtllib->rtllib_ips_leave_wq = rtllib_ips_leave_wq;
priv->rtllib->rtllib_ips_leave = rtllib_ips_leave;
priv->rtllib->LedControlHandler = NULL;
priv->rtllib->UpdateBeaconInterruptHandler = NULL;
priv->rtllib->ScanOperationBackupHandler = PHY_ScanOperationBackup8192;
priv->rtllib->rtllib_rfkill_poll = NULL;
}
static void rtl8192_init_priv_constant(struct net_device* dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)(&(priv->rtllib->PowerSaveControl));
pPSC->RegMaxLPSAwakeIntvl = 5;
priv->RegPciASPM = 2;
priv->RegDevicePciASPMSetting = 0x03;
priv->RegHostPciASPMSetting = 0x02;
priv->RegHwSwRfOffD3 = 2;
priv->RegSupportPciASPM = 2;
}
static void rtl8192_init_priv_variable(struct net_device* dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
u8 i;
priv->AcmMethod = eAcmWay2_SW;
priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
priv->rtllib->hwscan_sem_up = 1;
priv->rtllib->status = 0;
priv->H2CTxCmdSeq = 0;
priv->bDisableFrameBursting = 0;
priv->bDMInitialGainEnable = 1;
priv->polling_timer_on = 0;
priv->up_first_time = 1;
priv->blinked_ingpio = false;
priv->bDriverIsGoingToUnload = false;
priv->being_init_adapter = false;
priv->initialized_at_probe = false;
priv->sw_radio_on = true;
priv->bdisable_nic = false;
priv->bfirst_init = false;
priv->txringcount = 64;
priv->rxbuffersize = 9100;
priv->rxringcount = MAX_RX_COUNT;
priv->irq_enabled=0;
priv->chan = 1;
priv->RegWirelessMode = WIRELESS_MODE_AUTO;
priv->RegChannelPlan = 0xf;
priv->nrxAMPDU_size = 0;
priv->nrxAMPDU_aggr_num = 0;
priv->last_rxdesc_tsf_high = 0;
priv->last_rxdesc_tsf_low = 0;
priv->rtllib->mode = WIRELESS_MODE_AUTO;
priv->rtllib->iw_mode = IW_MODE_INFRA;
priv->rtllib->bNetPromiscuousMode = false;
priv->rtllib->IntelPromiscuousModeInfo.bPromiscuousOn = false;
priv->rtllib->IntelPromiscuousModeInfo.bFilterSourceStationFrame = false;
priv->rtllib->ieee_up=0;
priv->retry_rts = DEFAULT_RETRY_RTS;
priv->retry_data = DEFAULT_RETRY_DATA;
priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
priv->rtllib->rate = 110;
priv->rtllib->short_slot = 1;
priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
priv->bcck_in_ch14 = false;
priv->bfsync_processing = false;
priv->CCKPresentAttentuation = 0;
priv->rfa_txpowertrackingindex = 0;
priv->rfc_txpowertrackingindex = 0;
priv->CckPwEnl = 6;
priv->ScanDelay = 50;
priv->ResetProgress = RESET_TYPE_NORESET;
priv->bForcedSilentReset = 0;
priv->bDisableNormalResetCheck = false;
priv->force_reset = false;
memset(priv->rtllib->swcamtable,0,sizeof(struct sw_cam_table)*32);
memset(&priv->InterruptLog,0,sizeof(struct log_int_8190));
priv->RxCounter = 0;
priv->rtllib->wx_set_enc = 0;
priv->bHwRadioOff = false;
priv->RegRfOff = 0;
priv->isRFOff = false;
priv->bInPowerSaveMode = false;
priv->rtllib->RfOffReason = 0;
priv->RFChangeInProgress = false;
priv->bHwRfOffAction = 0;
priv->SetRFPowerStateInProgress = false;
priv->rtllib->PowerSaveControl.bInactivePs = true;
priv->rtllib->PowerSaveControl.bIPSModeBackup = false;
priv->rtllib->PowerSaveControl.bLeisurePs = true;
priv->rtllib->PowerSaveControl.bFwCtrlLPS = false;
priv->rtllib->LPSDelayCnt = 0;
priv->rtllib->sta_sleep = LPS_IS_WAKE;
priv->rtllib->eRFPowerState = eRfOn;
priv->txpower_checkcnt = 0;
priv->thermal_readback_index =0;
priv->txpower_tracking_callback_cnt = 0;
priv->ccktxpower_adjustcnt_ch14 = 0;
priv->ccktxpower_adjustcnt_not_ch14 = 0;
priv->rtllib->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
priv->rtllib->iw_mode = IW_MODE_INFRA;
priv->rtllib->active_scan = 1;
priv->rtllib->be_scan_inprogress = false;
priv->rtllib->modulation = RTLLIB_CCK_MODULATION | RTLLIB_OFDM_MODULATION;
priv->rtllib->host_encrypt = 1;
priv->rtllib->host_decrypt = 1;
priv->rtllib->dot11PowerSaveMode = eActive;
priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
priv->rtllib->MaxMssDensity = 0;
priv->rtllib->MinSpaceCfg = 0;
priv->card_type = PCI;
priv->AcmControl = 0;
priv->pFirmware = (struct rt_firmware *)vmalloc(sizeof(struct rt_firmware));
if (priv->pFirmware)
memset(priv->pFirmware, 0, sizeof(struct rt_firmware));
skb_queue_head_init(&priv->rx_queue);
skb_queue_head_init(&priv->skb_queue);
for (i = 0; i < MAX_QUEUE_SIZE; i++) {
skb_queue_head_init(&priv->rtllib->skb_waitQ [i]);
}
for (i = 0; i < MAX_QUEUE_SIZE; i++) {
skb_queue_head_init(&priv->rtllib->skb_aggQ [i]);
}
}
static void rtl8192_init_priv_lock(struct r8192_priv * priv)
{
spin_lock_init(&priv->fw_scan_lock);
spin_lock_init(&priv->tx_lock);
spin_lock_init(&priv->irq_lock);
spin_lock_init(&priv->irq_th_lock);
spin_lock_init(&priv->rf_ps_lock);
spin_lock_init(&priv->ps_lock);
spin_lock_init(&priv->rf_lock);
spin_lock_init(&priv->rt_h2c_lock);
sema_init(&priv->wx_sem,1);
sema_init(&priv->rf_sem,1);
mutex_init(&priv->mutex);
}
static void rtl8192_init_priv_task(struct net_device* dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
priv->priv_wq = create_workqueue(DRV_NAME);
INIT_WORK_RSL(&priv->reset_wq, (void*)rtl8192_restart, dev);
INIT_WORK_RSL(&priv->rtllib->ips_leave_wq, (void*)IPSLeave_wq, dev);
INIT_DELAYED_WORK_RSL(&priv->watch_dog_wq, (void*)rtl819x_watchdog_wqcallback, dev);
INIT_DELAYED_WORK_RSL(&priv->txpower_tracking_wq, (void*)dm_txpower_trackingcallback, dev);
INIT_DELAYED_WORK_RSL(&priv->rfpath_check_wq, (void*)dm_rf_pathcheck_workitemcallback, dev);
INIT_DELAYED_WORK_RSL(&priv->update_beacon_wq, (void*)rtl8192_update_beacon, dev);
INIT_WORK_RSL(&priv->qos_activate, (void*)rtl8192_qos_activate, dev);
INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_wakeup_wq,(void*) rtl8192_hw_wakeup_wq, dev);
INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,(void*) rtl8192_hw_sleep_wq, dev);
tasklet_init(&priv->irq_rx_tasklet,
(void(*)(unsigned long))rtl8192_irq_rx_tasklet,
(unsigned long)priv);
tasklet_init(&priv->irq_tx_tasklet,
(void(*)(unsigned long))rtl8192_irq_tx_tasklet,
(unsigned long)priv);
tasklet_init(&priv->irq_prepare_beacon_tasklet,
(void(*)(unsigned long))rtl8192_prepare_beacon,
(unsigned long)priv);
}
short rtl8192_get_channel_map(struct net_device * dev)
{
int i;
struct r8192_priv *priv = rtllib_priv(dev);
if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256)
&& (priv->rf_chip != RF_6052)) {
RT_TRACE(COMP_ERR, "%s: unknown rf chip, can't set channel map\n", __func__);
return -1;
}
if (priv->ChannelPlan > COUNTRY_CODE_MAX) {
printk("rtl819x_init:Error channel plan! Set to default.\n");
priv->ChannelPlan= COUNTRY_CODE_FCC;
}
RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
Dot11d_Init(priv->rtllib);
Dot11d_Channelmap(priv->ChannelPlan, priv->rtllib);
for (i = 1; i <= 11; i++) {
(priv->rtllib->active_channel_map)[i] = 1;
}
(priv->rtllib->active_channel_map)[12] = 2;
(priv->rtllib->active_channel_map)[13] = 2;
return 0;
}
short rtl8192_init(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
memset(&(priv->stats),0,sizeof(struct rt_stats));
rtl8192_dbgp_flag_init(dev);
rtl8192_init_priv_handler(dev);
rtl8192_init_priv_constant(dev);
rtl8192_init_priv_variable(dev);
rtl8192_init_priv_lock(priv);
rtl8192_init_priv_task(dev);
priv->ops->get_eeprom_size(dev);
priv->ops->init_adapter_variable(dev);
rtl8192_get_channel_map(dev);
init_hal_dm(dev);
init_timer(&priv->watch_dog_timer);
setup_timer(&priv->watch_dog_timer,
watch_dog_timer_callback,
(unsigned long) dev);
init_timer(&priv->gpio_polling_timer);
setup_timer(&priv->gpio_polling_timer,
check_rfctrl_gpio_timer,
(unsigned long)dev);
rtl8192_irq_disable(dev);
if (request_irq(dev->irq, (void*)rtl8192_interrupt_rsl, IRQF_SHARED, dev->name, dev))
{
printk("Error allocating IRQ %d",dev->irq);
return -1;
} else {
priv->irq=dev->irq;
RT_TRACE(COMP_INIT, "IRQ %d\n",dev->irq);
}
if (rtl8192_pci_initdescring(dev) != 0) {
printk("Endopoints initialization failed");
return -1;
}
return 0;
}
/***************************************************************************
-------------------------------WATCHDOG STUFF---------------------------
***************************************************************************/
short rtl8192_is_tx_queue_empty(struct net_device *dev)
{
int i=0;
struct r8192_priv *priv = rtllib_priv(dev);
for (i=0; i<=MGNT_QUEUE; i++)
{
if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
continue;
if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
return 0;
}
}
return 1;
}
enum reset_type
rtl819x_TxCheckStuck(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
u8 QueueID;
u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
bool bCheckFwTxCnt = false;
struct rtl8192_tx_ring *ring = NULL;
struct sk_buff* skb = NULL;
struct cb_desc * tcb_desc = NULL;
unsigned long flags = 0;
switch (priv->rtllib->ps)
{
case RTLLIB_PS_DISABLED:
ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
break;
case (RTLLIB_PS_MBCAST|RTLLIB_PS_UNICAST):
ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
break;
default:
ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
break;
}
spin_lock_irqsave(&priv->irq_th_lock,flags);
for (QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++)
{
if (QueueID == TXCMD_QUEUE)
continue;
if (QueueID == BEACON_QUEUE)
continue;
ring = &priv->tx_ring[QueueID];
if (skb_queue_len(&ring->queue) == 0)
continue;
else
{
skb = (&ring->queue)->next;
tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->nStuckCount++;
bCheckFwTxCnt = true;
if (tcb_desc->nStuckCount > 1)
printk("%s: QueueID=%d tcb_desc->nStuckCount=%d\n",__func__,QueueID,tcb_desc->nStuckCount);
}
}
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
if (bCheckFwTxCnt) {
if (priv->ops->TxCheckStuckHandler(dev))
{
RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
return RESET_TYPE_SILENT;
}
}
return RESET_TYPE_NORESET;
}
enum reset_type rtl819x_RxCheckStuck(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
if (priv->ops->RxCheckStuckHandler(dev))
{
RT_TRACE(COMP_RESET, "RxStuck Condition\n");
return RESET_TYPE_SILENT;
}
return RESET_TYPE_NORESET;
}
enum reset_type
rtl819x_ifcheck_resetornot(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
enum reset_type TxResetType = RESET_TYPE_NORESET;
enum reset_type RxResetType = RESET_TYPE_NORESET;
enum rt_rf_power_state rfState;
rfState = priv->rtllib->eRFPowerState;
if (rfState == eRfOn)
TxResetType = rtl819x_TxCheckStuck(dev);
if ( rfState == eRfOn &&
(priv->rtllib->iw_mode == IW_MODE_INFRA) &&
(priv->rtllib->state == RTLLIB_LINKED)) {
RxResetType = rtl819x_RxCheckStuck(dev);
}
if (TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL){
printk("%s(): TxResetType is %d, RxResetType is %d\n",__func__,TxResetType,RxResetType);
return RESET_TYPE_NORMAL;
} else if (TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT){
printk("%s(): TxResetType is %d, RxResetType is %d\n",__func__,TxResetType,RxResetType);
return RESET_TYPE_SILENT;
} else {
return RESET_TYPE_NORESET;
}
}
void rtl819x_silentreset_mesh_bk(struct net_device *dev, u8 IsPortal)
{
}
void rtl819x_ifsilentreset(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
u8 reset_times = 0;
int reset_status = 0;
struct rtllib_device *ieee = priv->rtllib;
unsigned long flag;
u8 IsPortal = 0;
if (priv->ResetProgress==RESET_TYPE_NORESET) {
RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
priv->ResetProgress = RESET_TYPE_SILENT;
spin_lock_irqsave(&priv->rf_ps_lock,flag);
if (priv->RFChangeInProgress)
{
spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
goto END;
}
priv->RFChangeInProgress = true;
priv->bResetInProgress = true;
spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
RESET_START:
down(&priv->wx_sem);
if (priv->rtllib->state == RTLLIB_LINKED)
LeisurePSLeave(dev);
if (IS_NIC_DOWN(priv)) {
RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__func__);
up(&priv->wx_sem);
return ;
}
priv->up = 0;
RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__func__);
mdelay(1000);
RT_TRACE(COMP_RESET,"%s():111111111111111111111111======>start to down the driver\n",__func__);
if (!netif_queue_stopped(dev))
netif_stop_queue(dev);
rtl8192_irq_disable(dev);
del_timer_sync(&priv->watch_dog_timer);
rtl8192_cancel_deferred_work(priv);
deinit_hal_dm(dev);
rtllib_stop_scan_syncro(ieee);
if (ieee->state == RTLLIB_LINKED) {
SEM_DOWN_IEEE_WX(&ieee->wx_sem);
printk("ieee->state is RTLLIB_LINKED\n");
rtllib_stop_send_beacons(priv->rtllib);
del_timer_sync(&ieee->associate_timer);
cancel_delayed_work(&ieee->associate_retry_wq);
rtllib_stop_scan(ieee);
netif_carrier_off(dev);
SEM_UP_IEEE_WX(&ieee->wx_sem);
} else {
printk("ieee->state is NOT LINKED\n");
rtllib_softmac_stop_protocol(priv->rtllib, 0 ,true);
}
dm_backup_dynamic_mechanism_state(dev);
up(&priv->wx_sem);
RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__func__);
RT_TRACE(COMP_RESET,"%s():<===========up process start\n",__func__);
reset_status = _rtl8192_up(dev,true);
RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__func__);
if (reset_status == -1) {
if (reset_times < 3) {
reset_times++;
goto RESET_START;
} else {
RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n",__func__);
}
}
ieee->is_silent_reset = 1;
spin_lock_irqsave(&priv->rf_ps_lock,flag);
priv->RFChangeInProgress = false;
spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
EnableHWSecurityConfig8192(dev);
if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA) {
ieee->set_chan(ieee->dev, ieee->current_network.channel);
queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
} else if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_ADHOC) {
ieee->set_chan(ieee->dev, ieee->current_network.channel);
ieee->link_change(ieee->dev);
notify_wx_assoc_event(ieee);
rtllib_start_send_beacons(ieee);
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
netif_carrier_on(ieee->dev);
} else if (ieee->iw_mode == IW_MODE_MESH) {
rtl819x_silentreset_mesh_bk(dev, IsPortal);
}
CamRestoreAllEntry(dev);
dm_restore_dynamic_mechanism_state(dev);
END:
priv->ResetProgress = RESET_TYPE_NORESET;
priv->reset_count++;
priv->bForcedSilentReset =false;
priv->bResetInProgress = false;
write_nic_byte(dev, UFWP, 1);
RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
}
}
void rtl819x_update_rxcounts(struct r8192_priv *priv,
u32 *TotalRxBcnNum,
u32 *TotalRxDataNum)
{
u16 SlotIndex;
u8 i;
*TotalRxBcnNum = 0;
*TotalRxDataNum = 0;
SlotIndex = (priv->rtllib->LinkDetectInfo.SlotIndex++)%(priv->rtllib->LinkDetectInfo.SlotNum);
priv->rtllib->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->rtllib->LinkDetectInfo.NumRecvBcnInPeriod;
priv->rtllib->LinkDetectInfo.RxDataNum[SlotIndex] = priv->rtllib->LinkDetectInfo.NumRecvDataInPeriod;
for (i = 0; i < priv->rtllib->LinkDetectInfo.SlotNum; i++) {
*TotalRxBcnNum += priv->rtllib->LinkDetectInfo.RxBcnNum[i];
*TotalRxDataNum += priv->rtllib->LinkDetectInfo.RxDataNum[i];
}
}
void rtl819x_watchdog_wqcallback(void *data)
{
struct r8192_priv *priv = container_of_dwork_rsl(data, struct r8192_priv, watch_dog_wq);
struct net_device *dev = priv->rtllib->dev;
struct rtllib_device* ieee = priv->rtllib;
enum reset_type ResetType = RESET_TYPE_NORESET;
static u8 check_reset_cnt = 0;
unsigned long flags;
struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)(&(priv->rtllib->PowerSaveControl));
bool bBusyTraffic = false;
bool bHigherBusyTraffic = false;
bool bHigherBusyRxTraffic = false;
bool bEnterPS = false;
if (IS_NIC_DOWN(priv) || (priv->bHwRadioOff == true))
return;
if (priv->rtllib->state >= RTLLIB_LINKED) {
if (priv->rtllib->CntAfterLink<2)
priv->rtllib->CntAfterLink++;
} else {
priv->rtllib->CntAfterLink = 0;
}
hal_dm_watchdog(dev);
if (rtllib_act_scanning(priv->rtllib,false) == false){
if ((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == RTLLIB_NOLINK) &&\
(ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&\
(!ieee->proto_stoppping) && !ieee->wx_set_enc
){
if ((ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE)&&
(!ieee->bNetPromiscuousMode))
{
RT_TRACE(COMP_PS, "====================>haha:IPSEnter()\n");
IPSEnter(dev);
}
}
}
{
if ((ieee->state == RTLLIB_LINKED) && (ieee->iw_mode == IW_MODE_INFRA) && (!ieee->bNetPromiscuousMode))
{
if ( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
bBusyTraffic = true;
}
if ( ieee->LinkDetectInfo.NumRxOkInPeriod > 4000 ||
ieee->LinkDetectInfo.NumTxOkInPeriod > 4000 )
{
bHigherBusyTraffic = true;
if (ieee->LinkDetectInfo.NumRxOkInPeriod > 5000)
bHigherBusyRxTraffic = true;
else
bHigherBusyRxTraffic = false;
}
if (((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8) ||
(ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2))
bEnterPS= false;
else
bEnterPS= true;
if (ieee->current_network.beacon_interval < 95)
bEnterPS= false;
if (bEnterPS)
LeisurePSEnter(dev);
else
LeisurePSLeave(dev);
} else {
RT_TRACE(COMP_LPS,"====>no link LPS leave\n");
LeisurePSLeave(dev);
}
ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
ieee->LinkDetectInfo.bHigherBusyTraffic = bHigherBusyTraffic;
ieee->LinkDetectInfo.bHigherBusyRxTraffic = bHigherBusyRxTraffic;
}
{
if (ieee->state == RTLLIB_LINKED && ieee->iw_mode == IW_MODE_INFRA)
{
u32 TotalRxBcnNum = 0;
u32 TotalRxDataNum = 0;
rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
if ((TotalRxBcnNum+TotalRxDataNum) == 0)
priv->check_roaming_cnt ++;
else
priv->check_roaming_cnt = 0;
if (priv->check_roaming_cnt > 0)
{
if ( ieee->eRFPowerState == eRfOff)
RT_TRACE(COMP_ERR,"========>%s()\n",__func__);
printk("===>%s(): AP is power off,chan:%d, connect another one\n",__func__, priv->chan);
ieee->state = RTLLIB_ASSOCIATING;
RemovePeerTS(priv->rtllib,priv->rtllib->current_network.bssid);
ieee->is_roaming = true;
ieee->is_set_key = false;
ieee->link_change(dev);
if (ieee->LedControlHandler)
ieee->LedControlHandler(ieee->dev, LED_CTL_START_TO_LINK);
notify_wx_assoc_event(ieee);
if (!(ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_CCMP|SEC_ALG_TKIP)))
queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 0);
priv->check_roaming_cnt = 0;
}
}
ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
}
spin_lock_irqsave(&priv->tx_lock,flags);
if ((check_reset_cnt++ >= 3) && (!ieee->is_roaming) &&
(!priv->RFChangeInProgress) && (!pPSC->bSwRfProcessing))
{
ResetType = rtl819x_ifcheck_resetornot(dev);
check_reset_cnt = 3;
}
spin_unlock_irqrestore(&priv->tx_lock,flags);
if (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
{
priv->ResetProgress = RESET_TYPE_NORMAL;
RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__func__);
return;
}
if ( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT)))
{
rtl819x_ifsilentreset(dev);
}
priv->force_reset = false;
priv->bForcedSilentReset = false;
priv->bResetInProgress = false;
RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
}
void watch_dog_timer_callback(unsigned long data)
{
struct r8192_priv *priv = rtllib_priv((struct net_device *) data);
queue_delayed_work_rsl(priv->priv_wq,&priv->watch_dog_wq,0);
mod_timer(&priv->watch_dog_timer, jiffies + MSECS(RTLLIB_WATCH_DOG_TIME));
}
/****************************************************************************
---------------------------- NIC TX/RX STUFF---------------------------
*****************************************************************************/
void rtl8192_rx_enable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
priv->ops->rx_enable(dev);
}
void rtl8192_tx_enable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
priv->ops->tx_enable(dev);
rtllib_reset_queue(priv->rtllib);
}
static void rtl8192_free_rx_ring(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
int i,rx_queue_idx;
for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
for (i = 0; i < priv->rxringcount; i++) {
struct sk_buff *skb = priv->rx_buf[rx_queue_idx][i];
if (!skb)
continue;
pci_unmap_single(priv->pdev,
*((dma_addr_t *)skb->cb),
priv->rxbuffersize, PCI_DMA_FROMDEVICE);
kfree_skb(skb);
}
pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount,
priv->rx_ring[rx_queue_idx], priv->rx_ring_dma[rx_queue_idx]);
priv->rx_ring[rx_queue_idx] = NULL;
}
}
static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
while (skb_queue_len(&ring->queue)) {
struct tx_desc *entry = &ring->desc[ring->idx];
struct sk_buff *skb = __skb_dequeue(&ring->queue);
pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
skb->len, PCI_DMA_TODEVICE);
kfree_skb(skb);
ring->idx = (ring->idx + 1) % ring->entries;
}
pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
ring->desc, ring->dma);
ring->desc = NULL;
}
void rtl8192_data_hard_stop(struct net_device *dev)
{
}
void rtl8192_data_hard_resume(struct net_device *dev)
{
}
void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
int ret;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
if ((priv->rtllib->eRFPowerState == eRfOff) || IS_NIC_DOWN(priv) || priv->bResetInProgress){
kfree_skb(skb);
return;
}
assert(queue_index != TXCMD_QUEUE);
memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
skb_push(skb, priv->rtllib->tx_headroom);
ret = rtl8192_tx(dev, skb);
if (ret != 0) {
kfree_skb(skb);
};
if (queue_index!=MGNT_QUEUE) {
priv->rtllib->stats.tx_bytes+=(skb->len - priv->rtllib->tx_headroom);
priv->rtllib->stats.tx_packets++;
}
return;
}
int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
int ret;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
if (queue_index != TXCMD_QUEUE){
if ((priv->rtllib->eRFPowerState == eRfOff) ||IS_NIC_DOWN(priv) || priv->bResetInProgress){
kfree_skb(skb);
return 0;
}
}
memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
if (queue_index == TXCMD_QUEUE) {
rtl8192_tx_cmd(dev, skb);
ret = 0;
return ret;
} else {
tcb_desc->RATRIndex = 7;
tcb_desc->bTxDisableRateFallBack = 1;
tcb_desc->bTxUseDriverAssingedRate = 1;
tcb_desc->bTxEnableFwCalcDur = 1;
skb_push(skb, priv->rtllib->tx_headroom);
ret = rtl8192_tx(dev, skb);
if (ret != 0) {
kfree_skb(skb);
};
}
return ret;
}
void rtl8192_tx_isr(struct net_device *dev, int prio)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
while (skb_queue_len(&ring->queue)) {
struct tx_desc *entry = &ring->desc[ring->idx];
struct sk_buff *skb;
if (prio != BEACON_QUEUE) {
if (entry->OWN)
return;
ring->idx = (ring->idx + 1) % ring->entries;
}
skb = __skb_dequeue(&ring->queue);
pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
skb->len, PCI_DMA_TODEVICE);
kfree_skb(skb);
}
if (prio != BEACON_QUEUE) {
tasklet_schedule(&priv->irq_tx_tasklet);
}
}
void rtl8192_tx_cmd(struct net_device *dev, struct sk_buff *skb)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rtl8192_tx_ring *ring;
struct tx_desc_cmd * entry;
unsigned int idx;
struct cb_desc *tcb_desc;
unsigned long flags;
spin_lock_irqsave(&priv->irq_th_lock,flags);
ring = &priv->tx_ring[TXCMD_QUEUE];
idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
entry = (struct tx_desc_cmd *) &ring->desc[idx];
tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
priv->ops->tx_fill_cmd_descriptor(dev, entry, tcb_desc, skb);
__skb_queue_tail(&ring->queue, skb);
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
return;
}
short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rtl8192_tx_ring *ring;
unsigned long flags;
struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
struct tx_desc *pdesc = NULL;
struct rtllib_hdr_1addr * header = NULL;
u16 fc=0, type=0,stype=0;
bool multi_addr=false,broad_addr=false,uni_addr=false;
u8* pda_addr = NULL;
int idx;
u32 fwinfo_size = 0;
if (priv->bdisable_nic){
RT_TRACE(COMP_ERR,"%s: ERR!! Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", __func__, skb->len, tcb_desc->queue_index);
return skb->len;
}
priv->rtllib->bAwakePktSent = true;
fwinfo_size = sizeof(struct tx_fwinfo_8190pci);
header = (struct rtllib_hdr_1addr *)(((u8*)skb->data) + fwinfo_size);
fc = header->frame_ctl;
type = WLAN_FC_GET_TYPE(fc);
stype = WLAN_FC_GET_STYPE(fc);
pda_addr = header->addr1;
if (is_multicast_ether_addr(pda_addr))
multi_addr = true;
else if (is_broadcast_ether_addr(pda_addr))
broad_addr = true;
else {
uni_addr = true;
}
if (uni_addr)
priv->stats.txbytesunicast += skb->len - fwinfo_size;
else if (multi_addr)
priv->stats.txbytesmulticast += skb->len - fwinfo_size;
else
priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
spin_lock_irqsave(&priv->irq_th_lock,flags);
ring = &priv->tx_ring[tcb_desc->queue_index];
if (tcb_desc->queue_index != BEACON_QUEUE) {
idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
} else {
idx = 0;
}
pdesc = &ring->desc[idx];
if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
RT_TRACE(COMP_ERR,"No more TX desc@%d, ring->idx = %d,idx = %d, skblen = 0x%x queuelen=%d", \
tcb_desc->queue_index,ring->idx, idx,skb->len, skb_queue_len(&ring->queue));
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
return skb->len;
}
if (tcb_desc->queue_index == MGNT_QUEUE){
}
if (type == RTLLIB_FTYPE_DATA){
if (priv->rtllib->LedControlHandler)
priv->rtllib->LedControlHandler(dev, LED_CTL_TX);
}
priv->ops->tx_fill_descriptor(dev, pdesc, tcb_desc, skb);
__skb_queue_tail(&ring->queue, skb);
pdesc->OWN = 1;
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
dev->trans_start = jiffies;
write_nic_word(dev,TPPoll,0x01<<tcb_desc->queue_index);
return 0;
}
short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct rx_desc *entry = NULL;
int i, rx_queue_idx;
for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev,
sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount, &priv->rx_ring_dma[rx_queue_idx]);
if (!priv->rx_ring[rx_queue_idx] || (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) {
RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
return -ENOMEM;
}
memset(priv->rx_ring[rx_queue_idx], 0, sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount);
priv->rx_idx[rx_queue_idx] = 0;
for (i = 0; i < priv->rxringcount; i++) {
struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
dma_addr_t *mapping;
entry = &priv->rx_ring[rx_queue_idx][i];
if (!skb)
return 0;
skb->dev = dev;
priv->rx_buf[rx_queue_idx][i] = skb;
mapping = (dma_addr_t *)skb->cb;
*mapping = pci_map_single(priv->pdev, skb_tail_pointer_rsl(skb),
priv->rxbuffersize, PCI_DMA_FROMDEVICE);
entry->BufferAddress = cpu_to_le32(*mapping);
entry->Length = priv->rxbuffersize;
entry->OWN = 1;
}
entry->EOR = 1;
}
return 0;
}
static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
unsigned int prio, unsigned int entries)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
struct tx_desc *ring;
dma_addr_t dma;
int i;
ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
if (!ring || (unsigned long)ring & 0xFF) {
RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
return -ENOMEM;
}
memset(ring, 0, sizeof(*ring)*entries);
priv->tx_ring[prio].desc = ring;
priv->tx_ring[prio].dma = dma;
priv->tx_ring[prio].idx = 0;
priv->tx_ring[prio].entries = entries;
skb_queue_head_init(&priv->tx_ring[prio].queue);
for (i = 0; i < entries; i++)
ring[i].NextDescAddress =
cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
return 0;
}
short rtl8192_pci_initdescring(struct net_device *dev)
{
u32 ret;
int i;
struct r8192_priv *priv = rtllib_priv(dev);
ret = rtl8192_alloc_rx_desc_ring(dev);
if (ret) {
return ret;
}
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
if ((ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount)))
goto err_free_rings;
}
return 0;
err_free_rings:
rtl8192_free_rx_ring(dev);
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
if (priv->tx_ring[i].desc)
rtl8192_free_tx_ring(dev, i);
return 1;
}
void rtl8192_pci_resetdescring(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
int i,rx_queue_idx;
unsigned long flags = 0;
for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx ++){
if (priv->rx_ring[rx_queue_idx]) {
struct rx_desc *entry = NULL;
for (i = 0; i < priv->rxringcount; i++) {
entry = &priv->rx_ring[rx_queue_idx][i];
entry->OWN = 1;
}
priv->rx_idx[rx_queue_idx] = 0;
}
}
spin_lock_irqsave(&priv->irq_th_lock,flags);
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
if (priv->tx_ring[i].desc) {
struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
while (skb_queue_len(&ring->queue)) {
struct tx_desc *entry = &ring->desc[ring->idx];
struct sk_buff *skb = __skb_dequeue(&ring->queue);
pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
skb->len, PCI_DMA_TODEVICE);
kfree_skb(skb);
ring->idx = (ring->idx + 1) % ring->entries;
}
ring->idx = 0;
}
}
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
}
void rtl819x_UpdateRxPktTimeStamp (struct net_device *dev, struct rtllib_rx_stats *stats)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
if (stats->bIsAMPDU && !stats->bFirstMPDU)
stats->mac_time = priv->LastRxDescTSF;
else
priv->LastRxDescTSF = stats->mac_time;
}
long rtl819x_translate_todbm(struct r8192_priv * priv, u8 signal_strength_index )
{
long signal_power;
signal_power = (long)((signal_strength_index + 1) >> 1);
signal_power -= 95;
return signal_power;
}
void
rtl819x_update_rxsignalstatistics8190pci(
struct r8192_priv * priv,
struct rtllib_rx_stats * pprevious_stats
)
{
int weighting = 0;
if (priv->stats.recv_signal_power == 0)
priv->stats.recv_signal_power = pprevious_stats->RecvSignalPower;
if (pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
weighting = 5;
else if (pprevious_stats->RecvSignalPower < priv->stats.recv_signal_power)
weighting = (-5);
priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 + pprevious_stats->RecvSignalPower + weighting) / 6;
}
void
rtl819x_process_cck_rxpathsel(
struct r8192_priv * priv,
struct rtllib_rx_stats * pprevious_stats
)
{
}
u8 rtl819x_query_rxpwrpercentage(
char antpower
)
{
if ((antpower <= -100) || (antpower >= 20))
{
return 0;
}
else if (antpower >= 0)
{
return 100;
}
else
{
return (100+antpower);
}
} /* QueryRxPwrPercentage */
u8
rtl819x_evm_dbtopercentage(
char value
)
{
char ret_val;
ret_val = value;
if (ret_val >= 0)
ret_val = 0;
if (ret_val <= -33)
ret_val = -33;
ret_val = 0 - ret_val;
ret_val*=3;
if (ret_val == 99)
ret_val = 100;
return(ret_val);
}
void
rtl8192_record_rxdesc_forlateruse(
struct rtllib_rx_stats * psrc_stats,
struct rtllib_rx_stats * ptarget_stats
)
{
ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
}
void rtl8192_rx_normal(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
struct rtllib_hdr_1addr *rtllib_hdr = NULL;
bool unicast_packet = false;
bool bLedBlinking=true;
u16 fc=0, type=0;
u32 skb_len = 0;
int rx_queue_idx = RX_MPDU_QUEUE;
struct rtllib_rx_stats stats = {
.signal = 0,
.noise = -98,
.rate = 0,
.freq = RTLLIB_24GHZ_BAND,
};
unsigned int count = priv->rxringcount;
stats.nic_type = NIC_8192E;
while (count--) {
struct rx_desc *pdesc = &priv->rx_ring[rx_queue_idx][priv->rx_idx[rx_queue_idx]];
struct sk_buff *skb = priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]];
if (pdesc->OWN) {
return;
} else {
struct sk_buff *new_skb;
if (!priv->ops->rx_query_status_descriptor(dev, &stats,
pdesc, skb))
goto done;
new_skb = dev_alloc_skb(priv->rxbuffersize);
/* if allocation of new skb failed - drop current packet
* and reuse skb */
if (unlikely(!new_skb))
goto done;
pci_unmap_single(priv->pdev,
*((dma_addr_t *)skb->cb),
priv->rxbuffersize,
PCI_DMA_FROMDEVICE);
skb_put(skb, pdesc->Length);
skb_reserve(skb, stats.RxDrvInfoSize +
stats.RxBufShift);
skb_trim(skb, skb->len - 4/*sCrcLng*/);
rtllib_hdr = (struct rtllib_hdr_1addr *)skb->data;
if (!is_broadcast_ether_addr(rtllib_hdr->addr1) &&
!is_multicast_ether_addr(rtllib_hdr->addr1)) {
/* unicast packet */
unicast_packet = true;
}
fc = le16_to_cpu(rtllib_hdr->frame_ctl);
type = WLAN_FC_GET_TYPE(fc);
if (type == RTLLIB_FTYPE_MGMT)
bLedBlinking = false;
if (bLedBlinking)
if (priv->rtllib->LedControlHandler)
priv->rtllib->LedControlHandler(dev,
LED_CTL_RX);
if (stats.bCRC) {
if (type != RTLLIB_FTYPE_MGMT)
priv->stats.rxdatacrcerr ++;
else
priv->stats.rxmgmtcrcerr ++;
}
skb_len = skb->len;
if (!rtllib_rx(priv->rtllib, skb, &stats)){
dev_kfree_skb_any(skb);
} else {
priv->stats.rxok++;
if (unicast_packet)
priv->stats.rxbytesunicast += skb_len;
}
skb = new_skb;
skb->dev = dev;
priv->rx_buf[rx_queue_idx][priv->rx_idx[rx_queue_idx]] = skb;
*((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer_rsl(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
}
done:
pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
pdesc->OWN = 1;
pdesc->Length = priv->rxbuffersize;
if (priv->rx_idx[rx_queue_idx] == priv->rxringcount-1)
pdesc->EOR = 1;
priv->rx_idx[rx_queue_idx] = (priv->rx_idx[rx_queue_idx] + 1) % priv->rxringcount;
}
}
void rtl8192_rx_cmd(struct net_device *dev)
{
}
void rtl8192_tx_resume(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
struct rtllib_device *ieee = priv->rtllib;
struct sk_buff *skb;
int queue_index;
for (queue_index = BK_QUEUE; queue_index < MAX_QUEUE_SIZE;queue_index++) {
while ((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
(priv->rtllib->check_nic_enough_desc(dev,queue_index) > 0)) {
skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
}
}
}
void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
{
rtl8192_tx_resume(priv->rtllib->dev);
}
void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
{
rtl8192_rx_normal(priv->rtllib->dev);
if (MAX_RX_QUEUE > 1)
rtl8192_rx_cmd(priv->rtllib->dev);
write_nic_dword(priv->rtllib->dev, INTA_MASK,read_nic_dword(priv->rtllib->dev, INTA_MASK) | IMR_RDU);
}
/****************************************************************************
---------------------------- NIC START/CLOSE STUFF---------------------------
*****************************************************************************/
void rtl8192_cancel_deferred_work(struct r8192_priv * priv)
{
cancel_delayed_work(&priv->watch_dog_wq);
cancel_delayed_work(&priv->update_beacon_wq);
cancel_delayed_work(&priv->rtllib->hw_sleep_wq);
cancel_work_sync(&priv->reset_wq);
cancel_work_sync(&priv->qos_activate);
}
int _rtl8192_up(struct net_device *dev,bool is_silent_reset)
{
if (_rtl8192_sta_up(dev, is_silent_reset) == -1)
return -1;
return 0;
}
int rtl8192_open(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
int ret;
down(&priv->wx_sem);
ret = rtl8192_up(dev);
up(&priv->wx_sem);
return ret;
}
int rtl8192_up(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
if (priv->up == 1) return -1;
return _rtl8192_up(dev,false);
}
int rtl8192_close(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
int ret;
if ((rtllib_act_scanning(priv->rtllib, false)) &&
!(priv->rtllib->softmac_features & IEEE_SOFTMAC_SCAN)){
rtllib_stop_scan(priv->rtllib);
}
down(&priv->wx_sem);
ret = rtl8192_down(dev,true);
up(&priv->wx_sem);
return ret;
}
int rtl8192_down(struct net_device *dev, bool shutdownrf)
{
if (rtl8192_sta_down(dev, shutdownrf) == -1)
return -1;
return 0;
}
void rtl8192_commit(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
if (priv->up == 0) return ;
rtllib_softmac_stop_protocol(priv->rtllib, 0 , true);
rtl8192_irq_disable(dev);
priv->ops->stop_adapter(dev, true);
_rtl8192_up(dev,false);
}
void rtl8192_restart(void *data)
{
struct r8192_priv *priv = container_of_work_rsl(data, struct r8192_priv, reset_wq);
struct net_device *dev = priv->rtllib->dev;
down(&priv->wx_sem);
rtl8192_commit(dev);
up(&priv->wx_sem);
}
static void r8192_set_multicast(struct net_device *dev)
{
struct r8192_priv *priv = rtllib_priv(dev);
short promisc;
promisc = (dev->flags & IFF_PROMISC) ? 1:0;
if (promisc != priv->promisc) {
;
}
priv->promisc = promisc;
}
int r8192_set_mac_adr(struct net_device *dev, void *mac)
{
struct r8192_priv *priv = rtllib_priv(dev);
struct sockaddr *addr = mac;
down(&priv->wx_sem);
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
schedule_work(&priv->reset_wq);
up(&priv->wx_sem);
return 0;
}
/* based on ipw2200 driver */
int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
struct iwreq *wrq = (struct iwreq *)rq;
int ret=-1;
struct rtllib_device *ieee = priv->rtllib;
u32 key[4];
u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
u8 zero_addr[6] = {0};
struct iw_point *p = &wrq->u.data;
down(&priv->wx_sem);
switch (cmd) {
case RTL_IOCTL_WPA_SUPPLICANT:
{
struct ieee_param *ipw = NULL;
if (p->length < sizeof(struct ieee_param) || !p->pointer){
ret = -EINVAL;
goto out;
}
ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
if (ipw == NULL){
ret = -ENOMEM;
goto out;
}
if (copy_from_user(ipw, p->pointer, p->length)) {
kfree(ipw);
ret = -EFAULT;
goto out;
}
if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
{
if (ipw->u.crypt.set_tx)
{
if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
ieee->pairwise_key_type = KEY_TYPE_CCMP;
else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
ieee->pairwise_key_type = KEY_TYPE_TKIP;
else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
{
if (ipw->u.crypt.key_len == 13)
ieee->pairwise_key_type = KEY_TYPE_WEP104;
else if (ipw->u.crypt.key_len == 5)
ieee->pairwise_key_type = KEY_TYPE_WEP40;
}
else
ieee->pairwise_key_type = KEY_TYPE_NA;
if (ieee->pairwise_key_type)
{
if (memcmp(ieee->ap_mac_addr, zero_addr, 6) == 0)
ieee->iw_mode = IW_MODE_ADHOC;
memcpy((u8*)key, ipw->u.crypt.key, 16);
EnableHWSecurityConfig8192(dev);
set_swcam(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key,0);
setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
if (ieee->iw_mode == IW_MODE_ADHOC){
set_swcam(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key,0);
setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
}
}
if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport){
write_nic_byte(dev, 0x173, 1);
}
}
else
{
memcpy((u8*)key, ipw->u.crypt.key, 16);
if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
ieee->group_key_type= KEY_TYPE_CCMP;
else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
ieee->group_key_type = KEY_TYPE_TKIP;
else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
{
if (ipw->u.crypt.key_len == 13)
ieee->group_key_type = KEY_TYPE_WEP104;
else if (ipw->u.crypt.key_len == 5)
ieee->group_key_type = KEY_TYPE_WEP40;
}
else
ieee->group_key_type = KEY_TYPE_NA;
if (ieee->group_key_type)
{
set_swcam( dev,
ipw->u.crypt.idx,
ipw->u.crypt.idx,
ieee->group_key_type,
broadcast_addr,
0,
key,
0);
setKey( dev,
ipw->u.crypt.idx,
ipw->u.crypt.idx,
ieee->group_key_type,
broadcast_addr,
0,
key);
}
}
}
ret = rtllib_wpa_supplicant_ioctl(priv->rtllib, &wrq->u.data, 0);
kfree(ipw);
break;
}
default:
ret = -EOPNOTSUPP;
break;
}
out:
up(&priv->wx_sem);
return ret;
}
void FairBeacon(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
struct rtllib_network *net = &priv->rtllib->current_network;
static u8 i=100;
static u8 forceturn =0;
u16 beaconint = net->beacon_interval;
if (priv->rtllib->iw_mode != IW_MODE_ADHOC)
return;
if (priv->bIbssCoordinator){
i--;
if (forceturn ==2){
forceturn =0;
priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
i=100;
}
if (i<=94){
beaconint=beaconint+2;
priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
forceturn =1;
}
} else {
i++;
if (forceturn ==1){
forceturn =0;
priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
i=100;
}
if (i>=106){
beaconint=beaconint-2;
priv->rtllib->SetHwRegHandler(dev, HW_VAR_BEACON_INTERVAL, (u8*)(&beaconint));
forceturn =2;
}
}
}
irqreturn_type rtl8192_interrupt(int irq, void *netdev, struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *) netdev;
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
unsigned long flags;
u32 inta;
u32 intb;
intb = 0;
if (priv->irq_enabled == 0){
goto done;
}
spin_lock_irqsave(&priv->irq_th_lock,flags);
priv->ops->interrupt_recognized(dev, &inta, &intb);
priv->stats.shints++;
if (!inta) {
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
goto done;
}
if (inta == 0xffff) {
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
goto done;
}
priv->stats.ints++;
if (!netif_running(dev)) {
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
goto done;
}
if (inta & IMR_TBDOK){
RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
priv->stats.txbeaconokint++;
}
if (inta & IMR_TBDER){
RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
priv->stats.txbeaconerr++;
}
if (inta & IMR_BDOK) {
RT_TRACE(COMP_INTR, "beacon interrupt!\n");
}
if (inta & IMR_MGNTDOK ) {
RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
priv->stats.txmanageokint++;
rtl8192_tx_isr(dev,MGNT_QUEUE);
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
if (priv->rtllib->ack_tx_to_ieee){
if (rtl8192_is_tx_queue_empty(dev)){
priv->rtllib->ack_tx_to_ieee = 0;
rtllib_ps_tx_ack(priv->rtllib, 1);
}
}
spin_lock_irqsave(&priv->irq_th_lock,flags);
}
if (inta & IMR_COMDOK) {
priv->stats.txcmdpktokint++;
rtl8192_tx_isr(dev,TXCMD_QUEUE);
}
if (inta & IMR_HIGHDOK) {
rtl8192_tx_isr(dev,HIGH_QUEUE);
}
if (inta & IMR_ROK)
{
priv->stats.rxint++;
priv->InterruptLog.nIMR_ROK++;
tasklet_schedule(&priv->irq_rx_tasklet);
}
if (inta & IMR_BcnInt) {
RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
}
if (inta & IMR_RDU) {
RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
priv->stats.rxrdu++;
write_nic_dword(dev,INTA_MASK,read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
tasklet_schedule(&priv->irq_rx_tasklet);
}
if (inta & IMR_RXFOVW) {
RT_TRACE(COMP_INTR, "rx overflow !\n");
priv->stats.rxoverflow++;
tasklet_schedule(&priv->irq_rx_tasklet);
}
if (inta & IMR_TXFOVW) priv->stats.txoverflow++;
if (inta & IMR_BKDOK) {
RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
priv->stats.txbkokint++;
priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
rtl8192_tx_isr(dev,BK_QUEUE);
}
if (inta & IMR_BEDOK) {
RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
priv->stats.txbeokint++;
priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
rtl8192_tx_isr(dev,BE_QUEUE);
}
if (inta & IMR_VIDOK) {
RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
priv->stats.txviokint++;
priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
rtl8192_tx_isr(dev,VI_QUEUE);
}
if (inta & IMR_VODOK) {
priv->stats.txvookint++;
RT_TRACE(COMP_INTR, "Vo TX OK interrupt!\n");
priv->rtllib->LinkDetectInfo.NumTxOkInPeriod++;
rtl8192_tx_isr(dev,VO_QUEUE);
}
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
done:
return IRQ_HANDLED;
}
/****************************************************************************
---------------------------- PCI_STUFF---------------------------
*****************************************************************************/
#ifdef HAVE_NET_DEVICE_OPS
static const struct net_device_ops rtl8192_netdev_ops = {
.ndo_open = rtl8192_open,
.ndo_stop = rtl8192_close,
.ndo_tx_timeout = rtl8192_tx_timeout,
.ndo_do_ioctl = rtl8192_ioctl,
.ndo_set_multicast_list = r8192_set_multicast,
.ndo_set_mac_address = r8192_set_mac_adr,
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = eth_change_mtu,
.ndo_start_xmit = rtllib_xmit,
};
#endif
static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
unsigned long ioaddr = 0;
struct net_device *dev = NULL;
struct r8192_priv *priv= NULL;
struct rtl819x_ops *ops = (struct rtl819x_ops *)(id->driver_data);
unsigned long pmem_start, pmem_len, pmem_flags;
int err = 0;
bool bdma64 = false;
u8 revision_id;
RT_TRACE(COMP_INIT,"Configuring chip resources");
if ( pci_enable_device (pdev) ){
RT_TRACE(COMP_ERR,"Failed to enable PCI device");
return -EIO;
}
pci_set_master(pdev);
{
if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
printk( "Unable to obtain 32bit DMA for consistent allocations\n");
pci_disable_device(pdev);
return -ENOMEM;
}
}
}
dev = alloc_rtllib(sizeof(struct r8192_priv));
if (!dev)
return -ENOMEM;
if (bdma64){
dev->features |= NETIF_F_HIGHDMA;
}
pci_set_drvdata(pdev, dev);
SET_NETDEV_DEV(dev, &pdev->dev);
priv = rtllib_priv(dev);
priv->rtllib = (struct rtllib_device *)netdev_priv_rsl(dev);
priv->pdev=pdev;
priv->rtllib->pdev=pdev;
if ((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304))
priv->rtllib->bSupportRemoteWakeUp = 1;
else
priv->rtllib->bSupportRemoteWakeUp = 0;
pmem_start = pci_resource_start(pdev, 1);
pmem_len = pci_resource_len(pdev, 1);
pmem_flags = pci_resource_flags (pdev, 1);
if (!(pmem_flags & IORESOURCE_MEM)) {
RT_TRACE(COMP_ERR,"region #1 not a MMIO resource, aborting");
goto fail;
}
printk("Memory mapped space start: 0x%08lx \n", pmem_start);
if (!request_mem_region(pmem_start, pmem_len, DRV_NAME)) {
RT_TRACE(COMP_ERR,"request_mem_region failed!");
goto fail;
}
ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
if ( ioaddr == (unsigned long)NULL ){
RT_TRACE(COMP_ERR,"ioremap failed!");
goto fail1;
}
dev->mem_start = ioaddr;
dev->mem_end = ioaddr + pci_resource_len(pdev, 0);
pci_read_config_byte(pdev, 0x08, &revision_id);
/* If the revisionid is 0x10, the device uses rtl8192se. */
if (pdev->device == 0x8192 && revision_id == 0x10)
goto fail1;
priv->ops = ops;
if (rtl8192_pci_findadapter(pdev, dev) == false)
goto fail1;
dev->irq = pdev->irq;
priv->irq = 0;
#ifdef HAVE_NET_DEVICE_OPS
dev->netdev_ops = &rtl8192_netdev_ops;
#else
dev->open = rtl8192_open;
dev->stop = rtl8192_close;
dev->tx_timeout = rtl8192_tx_timeout;
dev->do_ioctl = rtl8192_ioctl;
dev->set_multicast_list = r8192_set_multicast;
dev->set_mac_address = r8192_set_mac_adr;
dev->hard_start_xmit = rtllib_xmit;
#endif
dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
dev->ethtool_ops = &rtl819x_ethtool_ops;
dev->type = ARPHRD_ETHER;
dev->watchdog_timeo = HZ*3;
if (dev_alloc_name(dev, ifname) < 0){
RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
dev_alloc_name(dev, ifname);
}
RT_TRACE(COMP_INIT, "Driver probe completed1\n");
if (rtl8192_init(dev)!=0){
RT_TRACE(COMP_ERR, "Initialization failed");
goto fail1;
}
netif_carrier_off(dev);
netif_stop_queue(dev);
register_netdev(dev);
RT_TRACE(COMP_INIT, "dev name: %s\n",dev->name);
err = rtl_debug_module_init(priv, dev->name);
if (err) {
RT_TRACE(COMP_DBG, "failed to create debugfs files. Ignoring error: %d\n", err);
}
rtl8192_proc_init_one(dev);
if (priv->polling_timer_on == 0){
check_rfctrl_gpio_timer((unsigned long)dev);
}
RT_TRACE(COMP_INIT, "Driver probe completed\n");
return 0;
fail1:
if ( dev->mem_start != (unsigned long)NULL ){
iounmap( (void *)dev->mem_start );
release_mem_region( pci_resource_start(pdev, 1),
pci_resource_len(pdev, 1) );
}
fail:
if (dev){
if (priv->irq) {
free_irq(dev->irq, dev);
dev->irq=0;
}
free_rtllib(dev);
}
pci_disable_device(pdev);
DMESG("wlan driver load failed\n");
pci_set_drvdata(pdev, NULL);
return -ENODEV;
}
static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct r8192_priv *priv ;
if (dev){
unregister_netdev(dev);
priv = rtllib_priv(dev);
del_timer_sync(&priv->gpio_polling_timer);
cancel_delayed_work(&priv->gpio_change_rf_wq);
priv->polling_timer_on = 0;
rtl_debug_module_remove(priv);
rtl8192_proc_remove_one(dev);
rtl8192_down(dev,true);
deinit_hal_dm(dev);
if (priv->pFirmware) {
vfree(priv->pFirmware);
priv->pFirmware = NULL;
}
destroy_workqueue(priv->priv_wq);
{
u32 i;
rtl8192_free_rx_ring(dev);
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
rtl8192_free_tx_ring(dev, i);
}
}
if (priv->irq){
printk("Freeing irq %d\n",dev->irq);
free_irq(dev->irq, dev);
priv->irq=0;
}
free_rtllib(dev);
if (priv->scan_cmd)
kfree(priv->scan_cmd);
if (dev->mem_start != 0) {
iounmap((void *)dev->mem_start);
release_mem_region(pci_resource_start(pdev, 1),
pci_resource_len(pdev, 1));
}
} else{
priv=rtllib_priv(dev);
}
pci_disable_device(pdev);
RT_TRACE(COMP_DOWN, "wlan driver removed\n");
}
bool NicIFEnableNIC(struct net_device* dev)
{
bool init_status = true;
struct r8192_priv * priv = rtllib_priv(dev);
struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)(&(priv->rtllib->PowerSaveControl));
if (IS_NIC_DOWN(priv)){
RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__func__);
priv->bdisable_nic = false;
return RT_STATUS_FAILURE;
}
RT_TRACE(COMP_PS, "===========>%s()\n",__func__);
priv->bfirst_init = true;
init_status = priv->ops->initialize_adapter(dev);
if (init_status != true) {
RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__func__);
priv->bdisable_nic = false;
return -1;
}
RT_TRACE(COMP_INIT, "start adapter finished\n");
RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
priv->bfirst_init = false;
rtl8192_irq_enable(dev);
priv->bdisable_nic = false;
RT_TRACE(COMP_PS,"<===========%s()\n",__func__);
return init_status;
}
bool NicIFDisableNIC(struct net_device* dev)
{
bool status = true;
struct r8192_priv * priv = rtllib_priv(dev);
u8 tmp_state = 0;
RT_TRACE(COMP_PS, "=========>%s()\n",__func__);
priv->bdisable_nic = true;
tmp_state = priv->rtllib->state;
rtllib_softmac_stop_protocol(priv->rtllib, 0, false);
priv->rtllib->state = tmp_state;
rtl8192_cancel_deferred_work(priv);
rtl8192_irq_disable(dev);
priv->ops->stop_adapter(dev, false);
RT_TRACE(COMP_PS, "<=========%s()\n",__func__);
return status;
}
static int __init rtl8192_pci_module_init(void)
{
int ret;
int error;
ret = rtllib_init();
if (ret) {
printk(KERN_ERR "rtllib_init() failed %d\n", ret);
return ret;
}
ret = rtllib_crypto_init();
if (ret) {
printk(KERN_ERR "rtllib_crypto_init() failed %d\n", ret);
return ret;
}
ret = rtllib_crypto_tkip_init();
if (ret) {
printk(KERN_ERR "rtllib_crypto_tkip_init() failed %d\n", ret);
return ret;
}
ret = rtllib_crypto_ccmp_init();
if (ret) {
printk(KERN_ERR "rtllib_crypto_ccmp_init() failed %d\n", ret);
return ret;
}
ret = rtllib_crypto_wep_init();
if (ret) {
printk(KERN_ERR "rtllib_crypto_wep_init() failed %d\n", ret);
return ret;
}
printk(KERN_INFO "\nLinux kernel driver for RTL8192E WLAN cards\n");
printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan Driver\n");
error = rtl_create_debugfs_root();
if (error) {
RT_TRACE(COMP_DBG, "Create debugfs root fail: %d\n", error);
goto err_out;
}
rtl8192_proc_module_init();
if (0!=pci_register_driver(&rtl8192_pci_driver)) {
DMESG("No device found");
/*pci_unregister_driver (&rtl8192_pci_driver);*/
return -ENODEV;
}
return 0;
err_out:
return error;
}
static void __exit rtl8192_pci_module_exit(void)
{
pci_unregister_driver(&rtl8192_pci_driver);
RT_TRACE(COMP_DOWN, "Exiting");
rtl8192_proc_module_remove();
rtl_remove_debugfs_root();
rtllib_crypto_tkip_exit();
rtllib_crypto_ccmp_exit();
rtllib_crypto_wep_exit();
rtllib_crypto_deinit();
rtllib_exit();
}
void check_rfctrl_gpio_timer(unsigned long data)
{
struct r8192_priv * priv = rtllib_priv((struct net_device *)data);
priv->polling_timer_on = 1;
queue_delayed_work_rsl(priv->priv_wq,&priv->gpio_change_rf_wq,0);
mod_timer(&priv->gpio_polling_timer, jiffies + MSECS(RTLLIB_WATCH_DOG_TIME));
}
/***************************************************************************
------------------- module init / exit stubs ----------------
****************************************************************************/
module_init(rtl8192_pci_module_init);
module_exit(rtl8192_pci_module_exit);
MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
module_param(ifname, charp, S_IRUGO|S_IWUSR );
module_param(hwwep,int, S_IRUGO|S_IWUSR);
module_param(channels,int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
MODULE_PARM_DESC(hwwep," Try to use hardware WEP support(default use hw. set 0 to use software security)");
MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");