blob: 929ac29197ccee79094a81600d1f1480874e5f58 [file] [log] [blame]
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8192U
*
* Based on the r8187 driver, which is:
* Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, 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:
* Jerry chuang <wlanfae@realtek.com>
*/
#ifndef CONFIG_FORCE_HARD_FLOAT
double __floatsidf(int i)
{
return i;
}
unsigned int __fixunsdfsi(double d)
{
return d;
}
double __adddf3(double a, double b)
{
return a+b;
}
double __addsf3(float a, float b)
{
return a+b;
}
double __subdf3(double a, double b)
{
return a-b;
}
double __extendsfdf2(float a)
{
return a;
}
#endif
#define CONFIG_RTL8192_IO_MAP
#include <asm/uaccess.h>
#include "r8192U_hw.h"
#include "r8192U.h"
#include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
#include "r8180_93cx6.h" /* Card EEPROM */
#include "r8192U_wx.h"
#include "r819xU_phy.h" //added by WB 4.30.2008
#include "r819xU_phyreg.h"
#include "r819xU_cmdpkt.h"
#include "r8192U_dm.h"
#include <linux/usb.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
// FIXME: check if 2.6.7 is ok
#include "dot11d.h"
//set here to open your trace code. //WB
u32 rt_global_debug_component = COMP_DOWN |
COMP_SEC |
COMP_ERR; //always open err flags on
#define TOTAL_CAM_ENTRY 32
#define CAM_CONTENT_COUNT 8
static const struct usb_device_id rtl8192_usb_id_tbl[] = {
/* Realtek */
{USB_DEVICE(0x0bda, 0x8709)},
/* Corega */
{USB_DEVICE(0x07aa, 0x0043)},
/* Belkin */
{USB_DEVICE(0x050d, 0x805E)},
/* Sitecom */
{USB_DEVICE(0x0df6, 0x0031)},
/* EnGenius */
{USB_DEVICE(0x1740, 0x9201)},
/* Dlink */
{USB_DEVICE(0x2001, 0x3301)},
/* Zinwell */
{USB_DEVICE(0x5a57, 0x0290)},
/* LG */
{USB_DEVICE(0x043e, 0x7a01)},
{}
};
MODULE_LICENSE("GPL");
MODULE_VERSION("V 1.1");
MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
static char *ifname = "wlan%d";
static int hwwep = 1; //default use hw. set 0 to use software security
static int channels = 0x3fff;
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 security support. ");
MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
static int rtl8192_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id);
static void rtl8192_usb_disconnect(struct usb_interface *intf);
static struct usb_driver rtl8192_usb_driver = {
.name = RTL819xU_MODULE_NAME, /* Driver name */
.id_table = rtl8192_usb_id_tbl, /* PCI_ID table */
.probe = rtl8192_usb_probe, /* probe fn */
.disconnect = rtl8192_usb_disconnect, /* remove fn */
.suspend = NULL, /* PM suspend fn */
.resume = NULL, /* PM resume fn */
};
struct CHANNEL_LIST {
u8 Channel[32];
u8 Len;
};
static struct CHANNEL_LIST ChannelPlan[] = {
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165}, 24}, //FCC
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, //IC
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21}, //ETSI
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, //Spain. Change to ETSI.
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, //France. Change to ETSI.
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, //MKK //MKK
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},//MKK1
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, //Israel.
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, // For 11a , TELEC
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22}, //MIC
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
};
static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
{
int i, max_chan = -1, min_chan = -1;
struct ieee80211_device *ieee = priv->ieee80211;
switch (channel_plan) {
case COUNTRY_CODE_FCC:
case COUNTRY_CODE_IC:
case COUNTRY_CODE_ETSI:
case COUNTRY_CODE_SPAIN:
case COUNTRY_CODE_FRANCE:
case COUNTRY_CODE_MKK:
case COUNTRY_CODE_MKK1:
case COUNTRY_CODE_ISRAEL:
case COUNTRY_CODE_TELEC:
case COUNTRY_CODE_MIC:
Dot11d_Init(ieee);
ieee->bGlobalDomain = false;
//actually 8225 & 8256 rf chips only support B,G,24N mode
if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
min_chan = 1;
max_chan = 14;
} else {
RT_TRACE(COMP_ERR, "unknown rf chip, can't set channel map in function:%s()\n", __func__);
}
if (ChannelPlan[channel_plan].Len != 0) {
// Clear old channel map
memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
// Set new channel map
for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
break;
GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
}
}
break;
case COUNTRY_CODE_GLOBAL_DOMAIN:
GET_DOT11D_INFO(ieee)->bEnabled = 0;//this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain settings.
Dot11d_Reset(ieee);
ieee->bGlobalDomain = true;
break;
default:
break;
}
}
static void CamResetAllEntry(struct net_device *dev)
{
u32 ulcommand = 0;
//2004/02/11 In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA associate to AP.
// However, ResetKey is called on OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest
// In this condition, Cam can not be reset because upper layer will not set this static key again.
ulcommand |= BIT31|BIT30;
write_nic_dword(dev, RWCAM, ulcommand);
}
void write_cam(struct net_device *dev, u8 addr, u32 data)
{
write_nic_dword(dev, WCAMI, data);
write_nic_dword(dev, RWCAM, BIT31|BIT16|(addr&0xff));
}
u32 read_cam(struct net_device *dev, u8 addr)
{
u32 data;
write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff));
read_nic_dword(dev, 0xa8, &data);
return data;
}
void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
indx|0xfe00, 0, &data, 1, HZ / 2);
if (status < 0)
netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n", status);
}
int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
indx|0xfe00, 0, data, 1, HZ / 2);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
//as 92U has extend page from 4 to 16, so modify functions below.
void write_nic_byte(struct net_device *dev, int indx, u8 data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2);
if (status < 0)
netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
}
void write_nic_word(struct net_device *dev, int indx, u16 data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 2, HZ / 2);
if (status < 0)
netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
}
void write_nic_dword(struct net_device *dev, int indx, u32 data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
(indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 4, HZ / 2);
if (status < 0)
netdev_err(dev, "write_nic_dword TimeOut! status: %d\n", status);
}
int read_nic_byte(struct net_device *dev, int indx, u8 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx&0xff)|0xff00, (indx>>8)&0x0f, data, 1, HZ / 2);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
int read_nic_word(struct net_device *dev, int indx, u16 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx&0xff)|0xff00, (indx>>8)&0x0f,
data, 2, HZ / 2);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
indx|0xfe00, 0, data, 2, HZ / 2);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
int read_nic_dword(struct net_device *dev, int indx, u32 *data)
{
int status;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct usb_device *udev = priv->udev;
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
(indx&0xff)|0xff00, (indx>>8)&0x0f,
data, 4, HZ / 2);
if (status < 0) {
netdev_err(dev, "%s failure status: %d\n", __func__, status);
return status;
}
return 0;
}
/* u8 read_phy_cck(struct net_device *dev, u8 adr); */
/* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
/* this might still called in what was the PHY rtl8185/rtl8192 common code
* plans are to possibility turn it again in one common code...
*/
inline void force_pci_posting(struct net_device *dev)
{
}
static struct net_device_stats *rtl8192_stats(struct net_device *dev);
void rtl8192_commit(struct net_device *dev);
void rtl8192_restart(struct work_struct *work);
void watch_dog_timer_callback(unsigned long data);
/****************************************************************************
* -----------------------------PROCFS STUFF-------------------------
*****************************************************************************
*/
static struct proc_dir_entry *rtl8192_proc;
static int proc_get_stats_ap(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
struct ieee80211_network *target;
list_for_each_entry(target, &ieee->network_list, list) {
const char *wpa = "non_WPA";
if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
wpa = "WPA";
seq_printf(m, "%s %s\n", target->ssid, wpa);
}
return 0;
}
static int proc_get_registers(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
int i, n, max = 0xff;
u8 byte_rd;
seq_puts(m, "\n####################page 0##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
for (i = 0; i < 16 && n <= max; i++, n++) {
read_nic_byte(dev, 0x000|n, &byte_rd);
seq_printf(m, "%2x ", byte_rd);
}
}
seq_puts(m, "\n####################page 1##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
for (i = 0; i < 16 && n <= max; i++, n++) {
read_nic_byte(dev, 0x100|n, &byte_rd);
seq_printf(m, "%2x ", byte_rd);
}
}
seq_puts(m, "\n####################page 3##################\n ");
for (n = 0; n <= max;) {
seq_printf(m, "\nD: %2x > ", n);
for (i = 0; i < 16 && n <= max; i++, n++) {
read_nic_byte(dev, 0x300|n, &byte_rd);
seq_printf(m, "%2x ", byte_rd);
}
}
seq_putc(m, '\n');
return 0;
}
static int proc_get_stats_tx(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
seq_printf(m,
"TX VI priority ok int: %lu\n"
"TX VI priority error int: %lu\n"
"TX VO priority ok int: %lu\n"
"TX VO priority error int: %lu\n"
"TX BE priority ok int: %lu\n"
"TX BE priority error int: %lu\n"
"TX BK priority ok int: %lu\n"
"TX BK priority error int: %lu\n"
"TX MANAGE priority ok int: %lu\n"
"TX MANAGE priority error int: %lu\n"
"TX BEACON priority ok int: %lu\n"
"TX BEACON priority error int: %lu\n"
"TX queue resume: %lu\n"
"TX queue stopped?: %d\n"
"TX fifo overflow: %lu\n"
"TX VI queue: %d\n"
"TX VO queue: %d\n"
"TX BE queue: %d\n"
"TX BK queue: %d\n"
"TX VI dropped: %lu\n"
"TX VO dropped: %lu\n"
"TX BE dropped: %lu\n"
"TX BK dropped: %lu\n"
"TX total data packets %lu\n",
priv->stats.txviokint,
priv->stats.txvierr,
priv->stats.txvookint,
priv->stats.txvoerr,
priv->stats.txbeokint,
priv->stats.txbeerr,
priv->stats.txbkokint,
priv->stats.txbkerr,
priv->stats.txmanageokint,
priv->stats.txmanageerr,
priv->stats.txbeaconokint,
priv->stats.txbeaconerr,
priv->stats.txresumed,
netif_queue_stopped(dev),
priv->stats.txoverflow,
atomic_read(&(priv->tx_pending[VI_PRIORITY])),
atomic_read(&(priv->tx_pending[VO_PRIORITY])),
atomic_read(&(priv->tx_pending[BE_PRIORITY])),
atomic_read(&(priv->tx_pending[BK_PRIORITY])),
priv->stats.txvidrop,
priv->stats.txvodrop,
priv->stats.txbedrop,
priv->stats.txbkdrop,
priv->stats.txdatapkt
);
return 0;
}
static int proc_get_stats_rx(struct seq_file *m, void *v)
{
struct net_device *dev = m->private;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
seq_printf(m,
"RX packets: %lu\n"
"RX urb status error: %lu\n"
"RX invalid urb error: %lu\n",
priv->stats.rxoktotal,
priv->stats.rxstaterr,
priv->stats.rxurberr);
return 0;
}
static void rtl8192_proc_module_init(void)
{
RT_TRACE(COMP_INIT, "Initializing proc filesystem");
rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
}
/*
* seq_file wrappers for procfile show routines.
*/
static int rtl8192_proc_open(struct inode *inode, struct file *file)
{
struct net_device *dev = proc_get_parent_data(inode);
int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
return single_open(file, show, dev);
}
static const struct file_operations rtl8192_proc_fops = {
.open = rtl8192_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/*
* Table of proc files we need to create.
*/
struct rtl8192_proc_file {
char name[12];
int (*show)(struct seq_file *, void *);
};
static const struct rtl8192_proc_file rtl8192_proc_files[] = {
{ "stats-rx", &proc_get_stats_rx },
{ "stats-tx", &proc_get_stats_tx },
{ "stats-ap", &proc_get_stats_ap },
{ "registers", &proc_get_registers },
{ "" }
};
static void rtl8192_proc_init_one(struct net_device *dev)
{
const struct rtl8192_proc_file *f;
struct proc_dir_entry *dir;
if (rtl8192_proc) {
dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
if (!dir) {
RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
dev->name);
return;
}
for (f = rtl8192_proc_files; f->name[0]; f++) {
if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
&rtl8192_proc_fops, f->show)) {
RT_TRACE(COMP_ERR, "Unable to initialize "
"/proc/net/rtl8192/%s/%s\n",
dev->name, f->name);
return;
}
}
}
}
static void rtl8192_proc_remove_one(struct net_device *dev)
{
remove_proc_subtree(dev->name, rtl8192_proc);
}
/****************************************************************************
-----------------------------MISC STUFF-------------------------
*****************************************************************************/
short check_nic_enough_desc(struct net_device *dev, int queue_index)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int used = atomic_read(&priv->tx_pending[queue_index]);
return (used < MAX_TX_URB);
}
static void tx_timeout(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
schedule_work(&priv->reset_wq);
}
void rtl8192_update_msr(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 msr;
read_nic_byte(dev, MSR, &msr);
msr &= ~MSR_LINK_MASK;
/* do not change in link_state != WLAN_LINK_ASSOCIATED.
* msr must be updated if the state is ASSOCIATING.
* this is intentional and make sense for ad-hoc and
* master (see the create BSS/IBSS func)
*/
if (priv->ieee80211->state == IEEE80211_LINKED) {
if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
} else {
msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
}
write_nic_byte(dev, MSR, msr);
}
void rtl8192_set_chan(struct net_device *dev, short ch)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
priv->chan = ch;
/* this hack should avoid frame TX during channel setting*/
//need to implement rf set channel here WB
if (priv->rf_set_chan)
priv->rf_set_chan(dev, priv->chan);
mdelay(10);
}
static void rtl8192_rx_isr(struct urb *urb);
static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
{
return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
+ pstats->RxBufShift);
}
static int rtl8192_rx_initiate(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct urb *entry;
struct sk_buff *skb;
struct rtl8192_rx_info *info;
/* nomal packet rx procedure */
while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
if (!skb)
break;
entry = usb_alloc_urb(0, GFP_KERNEL);
if (!entry) {
kfree_skb(skb);
break;
}
usb_fill_bulk_urb(entry, priv->udev,
usb_rcvbulkpipe(priv->udev, 3), skb_tail_pointer(skb),
RX_URB_SIZE, rtl8192_rx_isr, skb);
info = (struct rtl8192_rx_info *) skb->cb;
info->urb = entry;
info->dev = dev;
info->out_pipe = 3; //denote rx normal packet queue
skb_queue_tail(&priv->rx_queue, skb);
usb_submit_urb(entry, GFP_KERNEL);
}
/* command packet rx procedure */
while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
if (!skb)
break;
entry = usb_alloc_urb(0, GFP_KERNEL);
if (!entry) {
kfree_skb(skb);
break;
}
usb_fill_bulk_urb(entry, priv->udev,
usb_rcvbulkpipe(priv->udev, 9), skb_tail_pointer(skb),
RX_URB_SIZE, rtl8192_rx_isr, skb);
info = (struct rtl8192_rx_info *) skb->cb;
info->urb = entry;
info->dev = dev;
info->out_pipe = 9; //denote rx cmd packet queue
skb_queue_tail(&priv->rx_queue, skb);
usb_submit_urb(entry, GFP_KERNEL);
}
return 0;
}
void rtl8192_set_rxconf(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
u32 rxconf;
read_nic_dword(dev, RCR, &rxconf);
rxconf = rxconf & ~MAC_FILTER_MASK;
rxconf = rxconf | RCR_AMF;
rxconf = rxconf | RCR_ADF;
rxconf = rxconf | RCR_AB;
rxconf = rxconf | RCR_AM;
if (dev->flags & IFF_PROMISC)
DMESG("NIC in promisc mode");
if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
dev->flags & IFF_PROMISC) {
rxconf = rxconf | RCR_AAP;
} else {
rxconf = rxconf | RCR_APM;
rxconf = rxconf | RCR_CBSSID;
}
if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
rxconf = rxconf | RCR_AICV;
rxconf = rxconf | RCR_APWRMGT;
}
if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
rxconf = rxconf | RCR_ACRC32;
rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE<<RX_FIFO_THRESHOLD_SHIFT);
rxconf = rxconf & ~MAX_RX_DMA_MASK;
rxconf = rxconf | ((u32)7<<RCR_MXDMA_OFFSET);
rxconf = rxconf | RCR_ONLYERLPKT;
write_nic_dword(dev, RCR, rxconf);
}
//wait to be removed
void rtl8192_rx_enable(struct net_device *dev)
{
rtl8192_rx_initiate(dev);
}
void rtl8192_tx_enable(struct net_device *dev)
{
}
void rtl8192_rtx_disable(struct net_device *dev)
{
u8 cmd;
struct r8192_priv *priv = ieee80211_priv(dev);
struct sk_buff *skb;
struct rtl8192_rx_info *info;
read_nic_byte(dev, CMDR, &cmd);
write_nic_byte(dev, CMDR, cmd & ~(CR_TE|CR_RE));
force_pci_posting(dev);
mdelay(10);
while ((skb = __skb_dequeue(&priv->rx_queue))) {
info = (struct rtl8192_rx_info *) skb->cb;
if (!info->urb)
continue;
usb_kill_urb(info->urb);
kfree_skb(skb);
}
if (skb_queue_len(&priv->skb_queue))
netdev_warn(dev, "skb_queue not empty\n");
skb_queue_purge(&priv->skb_queue);
return;
}
inline u16 ieeerate2rtlrate(int rate)
{
switch (rate) {
case 10:
return 0;
case 20:
return 1;
case 55:
return 2;
case 110:
return 3;
case 60:
return 4;
case 90:
return 5;
case 120:
return 6;
case 180:
return 7;
case 240:
return 8;
case 360:
return 9;
case 480:
return 10;
case 540:
return 11;
default:
return 3;
}
}
static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
inline u16 rtl8192_rate2rate(short rate)
{
if (rate > 11)
return 0;
return rtl_rate[rate];
}
/* The prototype of rx_isr has changed since one version of Linux Kernel */
static void rtl8192_rx_isr(struct urb *urb)
{
struct sk_buff *skb = (struct sk_buff *) urb->context;
struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
struct net_device *dev = info->dev;
struct r8192_priv *priv = ieee80211_priv(dev);
int out_pipe = info->out_pipe;
int err;
if (!priv->up)
return;
if (unlikely(urb->status)) {
info->urb = NULL;
priv->stats.rxstaterr++;
priv->ieee80211->stats.rx_errors++;
usb_free_urb(urb);
return;
}
skb_unlink(skb, &priv->rx_queue);
skb_put(skb, urb->actual_length);
skb_queue_tail(&priv->skb_queue, skb);
tasklet_schedule(&priv->irq_rx_tasklet);
skb = dev_alloc_skb(RX_URB_SIZE);
if (unlikely(!skb)) {
usb_free_urb(urb);
netdev_err(dev, "%s(): can't alloc skb\n", __func__);
/* TODO check rx queue length and refill *somewhere* */
return;
}
usb_fill_bulk_urb(urb, priv->udev,
usb_rcvbulkpipe(priv->udev, out_pipe), skb_tail_pointer(skb),
RX_URB_SIZE, rtl8192_rx_isr, skb);
info = (struct rtl8192_rx_info *) skb->cb;
info->urb = urb;
info->dev = dev;
info->out_pipe = out_pipe;
urb->transfer_buffer = skb_tail_pointer(skb);
urb->context = skb;
skb_queue_tail(&priv->rx_queue, skb);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err && err != EPERM)
netdev_err(dev, "can not submit rxurb, err is %x, URB status is %x\n", err, urb->status);
}
static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
struct ieee80211_rx_stats *pstats)
{
u32 status;
status = cmpk_message_handle_rx(dev, pstats);
if (status)
DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
return status;
}
static void rtl8192_data_hard_stop(struct net_device *dev)
{
//FIXME !!
}
static void rtl8192_data_hard_resume(struct net_device *dev)
{
// FIXME !!
}
/* this function TX data frames when the ieee80211 stack requires this.
* It checks also if we need to stop the ieee tx queue, eventually do it
*/
static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
int ret;
unsigned long flags;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
/* shall not be referred by command packet */
RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
spin_lock_irqsave(&priv->tx_lock, flags);
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
tcb_desc->bTxEnableFwCalcDur = 1;
skb_push(skb, priv->ieee80211->tx_headroom);
ret = rtl8192_tx(dev, skb);
spin_unlock_irqrestore(&priv->tx_lock, flags);
return;
}
/* This is a rough attempt to TX a frame
* This is called by the ieee 80211 stack to TX management frames.
* If the ring is full packet are dropped (for data frame the queue
* is stopped before this can happen).
*/
static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
int ret;
unsigned long flags;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
spin_lock_irqsave(&priv->tx_lock, flags);
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
if (queue_index == TXCMD_QUEUE) {
skb_push(skb, USB_HWDESC_HEADER_LEN);
rtl819xU_tx_cmd(dev, skb);
ret = 1;
spin_unlock_irqrestore(&priv->tx_lock, flags);
return ret;
} else {
skb_push(skb, priv->ieee80211->tx_headroom);
ret = rtl8192_tx(dev, skb);
}
spin_unlock_irqrestore(&priv->tx_lock, flags);
return ret;
}
void rtl8192_try_wake_queue(struct net_device *dev, int pri);
static void rtl8192_tx_isr(struct urb *tx_urb)
{
struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
struct net_device *dev = (struct net_device *)(skb->cb);
struct r8192_priv *priv = NULL;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
priv = ieee80211_priv(dev);
if (tcb_desc->queue_index != TXCMD_QUEUE) {
if (tx_urb->status == 0) {
dev->trans_start = jiffies;
priv->stats.txoktotal++;
priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
priv->stats.txbytesunicast += (skb->len - priv->ieee80211->tx_headroom);
} else {
priv->ieee80211->stats.tx_errors++;
/* TODO */
}
}
/* free skb and tx_urb */
if (skb != NULL) {
dev_kfree_skb_any(skb);
usb_free_urb(tx_urb);
atomic_dec(&priv->tx_pending[queue_index]);
}
//
// Handle HW Beacon:
// We had transfer our beacon frame to host controller at this moment.
//
//
// Caution:
// Handling the wait queue of command packets.
// For Tx command packets, we must not do TCB fragment because it is not handled right now.
// We must cut the packets to match the size of TX_CMD_PKT before we send it.
//
/* Handle MPDU in wait queue. */
if (queue_index != BEACON_QUEUE) {
/* Don't send data frame during scanning.*/
if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
(!(priv->ieee80211->queue_stop))) {
skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
if (skb)
priv->ieee80211->softmac_hard_start_xmit(skb, dev);
return; //modified by david to avoid further processing AMSDU
}
}
}
static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net;
u8 i = 0, basic_rate = 0;
net = &priv->ieee80211->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;
}
}
}
#define SHORT_SLOT_TIME 9
#define NON_SHORT_SLOT_TIME 20
static void rtl8192_update_cap(struct net_device *dev, u16 cap)
{
u32 tmp = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net = &priv->ieee80211->current_network;
priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
tmp = priv->basic_rate;
if (priv->short_preamble)
tmp |= BRSR_AckShortPmb;
write_nic_dword(dev, RRSR, tmp);
if (net->mode & (IEEE_G|IEEE_N_24G)) {
u8 slot_time = 0;
if ((cap & WLAN_CAPABILITY_SHORT_SLOT) && (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime)) /* short slot time */
slot_time = SHORT_SLOT_TIME;
else //long slot time
slot_time = NON_SHORT_SLOT_TIME;
priv->slot_time = slot_time;
write_nic_byte(dev, SLOT_TIME, slot_time);
}
}
static void rtl8192_net_update(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net;
u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
u16 rate_config = 0;
net = &priv->ieee80211->current_network;
rtl8192_config_rate(dev, &rate_config);
priv->basic_rate = rate_config & 0x15f;
write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
write_nic_word(dev, BSSIDR+4, ((u16 *)net->bssid)[2]);
rtl8192_update_msr(dev);
if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
write_nic_word(dev, ATIMWND, 2);
write_nic_word(dev, BCN_DMATIME, 1023);
write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
write_nic_byte(dev, BCN_ERR_THRESH, 100);
BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
// TODO: BcnIFS may required to be changed on ASIC
BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
}
}
//temporary hw beacon is not used any more.
//open it when necessary
void rtl819xusb_beacon_tx(struct net_device *dev, u16 tx_rate)
{
}
inline u8 rtl8192_IsWirelessBMode(u16 rate)
{
if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
return 1;
else
return 0;
}
u16 N_DBPSOfRate(u16 DataRate);
u16 N_DBPSOfRate(u16 DataRate)
{
u16 N_DBPS = 24;
switch (DataRate) {
case 60:
N_DBPS = 24;
break;
case 90:
N_DBPS = 36;
break;
case 120:
N_DBPS = 48;
break;
case 180:
N_DBPS = 72;
break;
case 240:
N_DBPS = 96;
break;
case 360:
N_DBPS = 144;
break;
case 480:
N_DBPS = 192;
break;
case 540:
N_DBPS = 216;
break;
default:
break;
}
return N_DBPS;
}
short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int status;
struct urb *tx_urb;
unsigned int idx_pipe;
tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
atomic_inc(&priv->tx_pending[queue_index]);
tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!tx_urb) {
dev_kfree_skb(skb);
return -ENOMEM;
}
memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
/* Tx descriptor ought to be set according to the skb->cb */
pdesc->FirstSeg = 1;//bFirstSeg;
pdesc->LastSeg = 1;//bLastSeg;
pdesc->CmdInit = tcb_desc->bCmdOrInit;
pdesc->TxBufferSize = tcb_desc->txbuf_size;
pdesc->OWN = 1;
pdesc->LINIP = tcb_desc->bLastIniPkt;
//----------------------------------------------------------------------------
// Fill up USB_OUT_CONTEXT.
//----------------------------------------------------------------------------
idx_pipe = 0x04;
usb_fill_bulk_urb(tx_urb, priv->udev, usb_sndbulkpipe(priv->udev, idx_pipe),
skb->data, skb->len, rtl8192_tx_isr, skb);
status = usb_submit_urb(tx_urb, GFP_ATOMIC);
if (!status) {
return 0;
} else {
DMESGE("Error TX CMD URB, error %d", status);
return -1;
}
}
/*
* Mapping Software/Hardware descriptor queue id to "Queue Select Field"
* in TxFwInfo data structure
* 2006.10.30 by Emily
*
* \param QUEUEID Software Queue
*/
static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
{
u8 QueueSelect = 0x0; //defualt set to
switch (QueueID) {
case BE_QUEUE:
QueueSelect = QSLT_BE;
break;
case BK_QUEUE:
QueueSelect = QSLT_BK;
break;
case VO_QUEUE:
QueueSelect = QSLT_VO;
break;
case VI_QUEUE:
QueueSelect = QSLT_VI;
break;
case MGNT_QUEUE:
QueueSelect = QSLT_MGNT;
break;
case BEACON_QUEUE:
QueueSelect = QSLT_BEACON;
break;
// TODO: 2006.10.30 mark other queue selection until we verify it is OK
// TODO: Remove Assertions
case TXCMD_QUEUE:
QueueSelect = QSLT_CMD;
break;
case HIGH_QUEUE:
QueueSelect = QSLT_HIGH;
break;
default:
RT_TRACE(COMP_ERR, "TransmitTCB(): Impossible Queue Selection: %d \n", QueueID);
break;
}
return QueueSelect;
}
static u8 MRateToHwRate8190Pci(u8 rate)
{
u8 ret = DESC90_RATE1M;
switch (rate) {
case MGN_1M:
ret = DESC90_RATE1M;
break;
case MGN_2M:
ret = DESC90_RATE2M;
break;
case MGN_5_5M:
ret = DESC90_RATE5_5M;
break;
case MGN_11M:
ret = DESC90_RATE11M;
break;
case MGN_6M:
ret = DESC90_RATE6M;
break;
case MGN_9M:
ret = DESC90_RATE9M;
break;
case MGN_12M:
ret = DESC90_RATE12M;
break;
case MGN_18M:
ret = DESC90_RATE18M;
break;
case MGN_24M:
ret = DESC90_RATE24M;
break;
case MGN_36M:
ret = DESC90_RATE36M;
break;
case MGN_48M:
ret = DESC90_RATE48M;
break;
case MGN_54M:
ret = DESC90_RATE54M;
break;
/* HT rate since here */
case MGN_MCS0:
ret = DESC90_RATEMCS0;
break;
case MGN_MCS1:
ret = DESC90_RATEMCS1;
break;
case MGN_MCS2:
ret = DESC90_RATEMCS2;
break;
case MGN_MCS3:
ret = DESC90_RATEMCS3;
break;
case MGN_MCS4:
ret = DESC90_RATEMCS4;
break;
case MGN_MCS5:
ret = DESC90_RATEMCS5;
break;
case MGN_MCS6:
ret = DESC90_RATEMCS6;
break;
case MGN_MCS7:
ret = DESC90_RATEMCS7;
break;
case MGN_MCS8:
ret = DESC90_RATEMCS8;
break;
case MGN_MCS9:
ret = DESC90_RATEMCS9;
break;
case MGN_MCS10:
ret = DESC90_RATEMCS10;
break;
case MGN_MCS11:
ret = DESC90_RATEMCS11;
break;
case MGN_MCS12:
ret = DESC90_RATEMCS12;
break;
case MGN_MCS13:
ret = DESC90_RATEMCS13;
break;
case MGN_MCS14:
ret = DESC90_RATEMCS14;
break;
case MGN_MCS15:
ret = DESC90_RATEMCS15;
break;
case (0x80|0x20):
ret = DESC90_RATEMCS32;
break;
default:
break;
}
return ret;
}
static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
{
u8 tmp_Short;
tmp_Short = (TxHT == 1) ? ((tcb_desc->bUseShortGI) ? 1 : 0) : ((tcb_desc->bUseShortPreamble) ? 1 : 0);
if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
tmp_Short = 0;
return tmp_Short;
}
static void tx_zero_isr(struct urb *tx_urb)
{
return;
}
/*
* The tx procedure is just as following,
* skb->cb will contain all the following information,
* priority, morefrag, rate, &dev.
* */
short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
{
struct r8192_priv *priv = ieee80211_priv(dev);
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
tx_fwinfo_819x_usb *tx_fwinfo = (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
struct usb_device *udev = priv->udev;
int pend;
int status;
struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
unsigned int idx_pipe;
pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
/* we are locked here so the two atomic_read and inc are executed
* without interleaves
* !!! For debug purpose
*/
if (pend > MAX_TX_URB) {
netdev_dbg(dev, "To discard skb packet!\n");
dev_kfree_skb_any(skb);
return -1;
}
tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!tx_urb) {
dev_kfree_skb_any(skb);
return -ENOMEM;
}
/* Fill Tx firmware info */
memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
/* DWORD 0 */
tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc);
if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
tx_fwinfo->AllowAggregation = 1;
/* DWORD 1 */
tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity
} else {
tx_fwinfo->AllowAggregation = 0;
/* DWORD 1 */
tx_fwinfo->RxMF = 0;
tx_fwinfo->RxAMD = 0;
}
/* Protection mode related */
tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
(tcb_desc->bRTSUseShortGI ? 1 : 0);
/* Set Bandwidth and sub-channel settings. */
if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
if (tcb_desc->bPacketBW) {
tx_fwinfo->TxBandwidth = 1;
tx_fwinfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode
} else {
tx_fwinfo->TxBandwidth = 0;
tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
}
} else {
tx_fwinfo->TxBandwidth = 0;
tx_fwinfo->TxSubCarrier = 0;
}
/* Fill Tx descriptor */
memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
/* DWORD 0 */
tx_desc->LINIP = 0;
tx_desc->CmdInit = 1;
tx_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8;
tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
/*DWORD 1*/
tx_desc->SecCAMID = 0;
tx_desc->RATid = tcb_desc->RATRIndex;
tx_desc->NoEnc = 1;
tx_desc->SecType = 0x0;
if (tcb_desc->bHwSec) {
switch (priv->ieee80211->pairwise_key_type) {
case KEY_TYPE_WEP40:
case KEY_TYPE_WEP104:
tx_desc->SecType = 0x1;
tx_desc->NoEnc = 0;
break;
case KEY_TYPE_TKIP:
tx_desc->SecType = 0x2;
tx_desc->NoEnc = 0;
break;
case KEY_TYPE_CCMP:
tx_desc->SecType = 0x3;
tx_desc->NoEnc = 0;
break;
case KEY_TYPE_NA:
tx_desc->SecType = 0x0;
tx_desc->NoEnc = 1;
break;
}
}
tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
tx_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb);
tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
/* Fill fields that are required to be initialized in all of the descriptors */
//DWORD 0
tx_desc->FirstSeg = 1;
tx_desc->LastSeg = 1;
tx_desc->OWN = 1;
/* DWORD 2 */
tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
idx_pipe = 0x5;
/* To submit bulk urb */
usb_fill_bulk_urb(tx_urb, udev,
usb_sndbulkpipe(udev, idx_pipe), skb->data,
skb->len, rtl8192_tx_isr, skb);
status = usb_submit_urb(tx_urb, GFP_ATOMIC);
if (!status) {
//we need to send 0 byte packet whenever 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has been transmitted. Otherwise, it will be halt to wait for another packet. WB. 2008.08.27
bool bSend0Byte = false;
u8 zero = 0;
if (udev->speed == USB_SPEED_HIGH) {
if (skb->len > 0 && skb->len % 512 == 0)
bSend0Byte = true;
} else {
if (skb->len > 0 && skb->len % 64 == 0)
bSend0Byte = true;
}
if (bSend0Byte) {
tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
if (!tx_urb_zero) {
RT_TRACE(COMP_ERR, "can't alloc urb for zero byte\n");
return -ENOMEM;
}
usb_fill_bulk_urb(tx_urb_zero, udev,
usb_sndbulkpipe(udev, idx_pipe), &zero,
0, tx_zero_isr, dev);
status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
if (status) {
RT_TRACE(COMP_ERR, "Error TX URB for zero byte %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]), status);
return -1;
}
}
dev->trans_start = jiffies;
atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
return 0;
} else {
RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
status);
return -1;
}
}
static short rtl8192_usb_initendpoints(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB+1),
GFP_KERNEL);
if (priv->rx_urb == NULL)
return -ENOMEM;
#ifndef JACKSON_NEW_RX
for (i = 0; i < (MAX_RX_URB+1); i++) {
priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
priv->rx_urb[i]->transfer_buffer = kmalloc(RX_URB_SIZE, GFP_KERNEL);
priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
}
#endif
#ifdef THOMAS_BEACON
{
long align = 0;
void *oldaddr, *newaddr;
priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
priv->oldaddr = kmalloc(16, GFP_KERNEL);
oldaddr = priv->oldaddr;
align = ((long)oldaddr) & 3;
if (align) {
newaddr = oldaddr + 4 - align;
priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
} else {
newaddr = oldaddr;
priv->rx_urb[16]->transfer_buffer_length = 16;
}
priv->rx_urb[16]->transfer_buffer = newaddr;
}
#endif
memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
GFP_KERNEL);
if (!priv->pp_rxskb) {
kfree(priv->rx_urb);
priv->pp_rxskb = NULL;
priv->rx_urb = NULL;
DMESGE("Endpoint Alloc Failure");
return -ENOMEM;
}
netdev_dbg(dev, "End of initendpoints\n");
return 0;
}
#ifdef THOMAS_BEACON
static void rtl8192_usb_deleteendpoints(struct net_device *dev)
{
int i;
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->rx_urb) {
for (i = 0; i < (MAX_RX_URB+1); i++) {
usb_kill_urb(priv->rx_urb[i]);
usb_free_urb(priv->rx_urb[i]);
}
kfree(priv->rx_urb);
priv->rx_urb = NULL;
}
kfree(priv->oldaddr);
priv->oldaddr = NULL;
if (priv->pp_rxskb) {
kfree(priv->pp_rxskb);
priv->pp_rxskb = NULL;
}
}
#else
void rtl8192_usb_deleteendpoints(struct net_device *dev)
{
int i;
struct r8192_priv *priv = ieee80211_priv(dev);
#ifndef JACKSON_NEW_RX
if (priv->rx_urb) {
for (i = 0; i < (MAX_RX_URB+1); i++) {
usb_kill_urb(priv->rx_urb[i]);
kfree(priv->rx_urb[i]->transfer_buffer);
usb_free_urb(priv->rx_urb[i]);
}
kfree(priv->rx_urb);
priv->rx_urb = NULL;
}
#else
kfree(priv->rx_urb);
priv->rx_urb = NULL;
kfree(priv->oldaddr);
priv->oldaddr = NULL;
if (priv->pp_rxskb) {
kfree(priv->pp_rxskb);
priv->pp_rxskb = 0;
}
#endif
}
#endif
extern void rtl8192_update_ratr_table(struct net_device *dev);
static void rtl8192_link_change(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
if (ieee->state == IEEE80211_LINKED) {
rtl8192_net_update(dev);
rtl8192_update_ratr_table(dev);
//add this as in pure N mode, wep encryption will use software way, but there is no chance to set this as wep will not set group key in wext. WB.2008.07.08
if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
EnableHWSecurityConfig8192(dev);
}
/*update timing params*/
if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
u32 reg = 0;
read_nic_dword(dev, RCR, &reg);
if (priv->ieee80211->state == IEEE80211_LINKED)
priv->ReceiveConfig = reg |= RCR_CBSSID;
else
priv->ReceiveConfig = reg &= ~RCR_CBSSID;
write_nic_dword(dev, RCR, reg);
}
}
static struct ieee80211_qos_parameters def_qos_parameters = {
{3, 3, 3, 3},/* cw_min */
{7, 7, 7, 7},/* cw_max */
{2, 2, 2, 2},/* aifs */
{0, 0, 0, 0},/* flags */
{0, 0, 0, 0} /* tx_op_limit */
};
static void rtl8192_update_beacon(struct work_struct *work)
{
struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
struct net_device *dev = priv->ieee80211->dev;
struct ieee80211_device *ieee = priv->ieee80211;
struct ieee80211_network *net = &ieee->current_network;
if (ieee->pHTInfo->bCurrentHTSupport)
HTUpdateSelfAndPeerSetting(ieee, net);
ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
rtl8192_update_cap(dev, net->capability);
}
/*
* background support to run QoS activate functionality
*/
static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK, EDCAPARA_VI, EDCAPARA_VO};
static void rtl8192_qos_activate(struct work_struct *work)
{
struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
struct net_device *dev = priv->ieee80211->dev;
struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
u8 mode = priv->ieee80211->current_network.mode;
u8 u1bAIFS;
u32 u4bAcParam;
int i;
mutex_lock(&priv->mutex);
if (priv->ieee80211->state != IEEE80211_LINKED)
goto success;
RT_TRACE(COMP_QOS, "qos active process with associate response received\n");
/* It better set slot time at first */
/* For we just support b/g mode at present, let the slot time at 9/20 selection */
/* update the ac parameter to related registers */
for (i = 0; i < QOS_QUEUE_NUM; i++) {
//Mode G/A: slotTimeTimer = 9; Mode B: 20
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));
write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
}
success:
mutex_unlock(&priv->mutex);
}
static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
int active_network,
struct ieee80211_network *network)
{
int ret = 0;
u32 size = sizeof(struct ieee80211_qos_parameters);
if (priv->ieee80211->state != IEEE80211_LINKED)
return ret;
if ((priv->ieee80211->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;
queue_work(priv->priv_wq, &priv->qos_activate);
RT_TRACE(COMP_QOS, "QoS parameters change call "
"qos_activate\n");
}
} else {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,
&def_qos_parameters, size);
if ((network->qos_data.active == 1) && (active_network == 1)) {
queue_work(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;
}
/* handle and manage frame from beacon and probe response */
static int rtl8192_handle_beacon(struct net_device *dev,
struct ieee80211_beacon *beacon,
struct ieee80211_network *network)
{
struct r8192_priv *priv = ieee80211_priv(dev);
rtl8192_qos_handle_probe_response(priv, 1, network);
queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
return 0;
}
/*
* handling the beaconing responses. if we get different QoS setting
* off the network from the associated setting, adjust the QoS
* setting
*/
static int rtl8192_qos_association_resp(struct r8192_priv *priv,
struct ieee80211_network *network)
{
unsigned long flags;
u32 size = sizeof(struct ieee80211_qos_parameters);
int set_qos_param = 0;
if ((priv == NULL) || (network == NULL))
return 0;
if (priv->ieee80211->state != IEEE80211_LINKED)
return 0;
if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
return 0;
spin_lock_irqsave(&priv->ieee80211->lock, flags);
if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,
&network->qos_data.parameters,
sizeof(struct ieee80211_qos_parameters));
priv->ieee80211->current_network.qos_data.active = 1;
set_qos_param = 1;
/* update qos parameter for current network */
priv->ieee80211->current_network.qos_data.old_param_count =
priv->ieee80211->current_network.qos_data.param_count;
priv->ieee80211->current_network.qos_data.param_count =
network->qos_data.param_count;
} else {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,
&def_qos_parameters, size);
priv->ieee80211->current_network.qos_data.active = 0;
priv->ieee80211->current_network.qos_data.supported = 0;
set_qos_param = 1;
}
spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__, network->flags, priv->ieee80211->current_network.qos_data.active);
if (set_qos_param == 1)
queue_work(priv->priv_wq, &priv->qos_activate);
return 0;
}
static int rtl8192_handle_assoc_response(struct net_device *dev,
struct ieee80211_assoc_response_frame *resp,
struct ieee80211_network *network)
{
struct r8192_priv *priv = ieee80211_priv(dev);
rtl8192_qos_association_resp(priv, network);
return 0;
}
void rtl8192_update_ratr_table(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
u32 ratr_value = 0;
u8 rate_index = 0;
rtl8192_config_rate(dev, (u16 *)(&ratr_value));
ratr_value |= (*(u16 *)(pMcsRate)) << 12;
switch (ieee->mode) {
case IEEE_A:
ratr_value &= 0x00000FF0;
break;
case IEEE_B:
ratr_value &= 0x0000000F;
break;
case IEEE_G:
ratr_value &= 0x00000FF7;
break;
case IEEE_N_24G:
case IEEE_N_5G:
if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
ratr_value &= 0x0007F007;
} else {
if (priv->rf_type == RF_1T2R)
ratr_value &= 0x000FF007;
else
ratr_value &= 0x0F81F007;
}
break;
default:
break;
}
ratr_value &= 0x0FFFFFFF;
if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
ratr_value |= 0x80000000;
else if (!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz)
ratr_value |= 0x80000000;
write_nic_dword(dev, RATR0+rate_index*4, ratr_value);
write_nic_byte(dev, UFWP, 1);
}
static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
struct ieee80211_network *network = &ieee->current_network;
int wpa_ie_len = ieee->wpa_ie_len;
struct ieee80211_crypt_data *crypt;
int encrypt;
crypt = ieee->crypt[ieee->tx_keyidx];
//we use connecting AP's capability instead of only security config on our driver to distinguish whether it should use N mode or G mode
encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) || (ieee->host_encrypt && crypt && crypt->ops && (0 == strcmp(crypt->ops->name, "WEP")));
/* simply judge */
if (encrypt && (wpa_ie_len == 0)) {
/* wep encryption, no N mode setting */
return false;
} else if ((wpa_ie_len != 0)) {
/* parse pairwise key type */
if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
return true;
else
return false;
} else {
return true;
}
return true;
}
static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
{
bool Reval;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
if (ieee->bHalfWirelessN24GMode == true)
Reval = true;
else
Reval = false;
return Reval;
}
static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
{
struct ieee80211_device *ieee = priv->ieee80211;
//we do not consider set support rate for ABG mode, only HT MCS rate is set here.
if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
else
memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
return;
}
static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 ret = 0;
switch (priv->rf_chip) {
case RF_8225:
case RF_8256:
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;
}
static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
{
struct r8192_priv *priv = ieee80211_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, SupportedWirelessMode(%x)!!!\n", __func__, bSupportMode);
wireless_mode = WIRELESS_MODE_B;
}
}
#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we should wait for FPGA
ActUpdateChannelAccessSetting(pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
#endif
priv->ieee80211->mode = wireless_mode;
if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
priv->ieee80211->pHTInfo->bEnableHT = 1;
else
priv->ieee80211->pHTInfo->bEnableHT = 0;
RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
rtl8192_refresh_supportrate(priv);
}
//init priv variables here. only non_zero value should be initialized here.
static void rtl8192_init_priv_variable(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 i;
priv->card_8192 = NIC_8192U;
priv->chan = 1; //set to channel 1
priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
priv->ieee80211->iw_mode = IW_MODE_INFRA;
priv->ieee80211->ieee_up = 0;
priv->retry_rts = DEFAULT_RETRY_RTS;
priv->retry_data = DEFAULT_RETRY_DATA;
priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
priv->ieee80211->rate = 110; //11 mbps
priv->ieee80211->short_slot = 1;
priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
priv->CckPwEnl = 6;
//for silent reset
priv->IrpPendingCount = 1;
priv->ResetProgress = RESET_TYPE_NORESET;
priv->bForcedSilentReset = 0;
priv->bDisableNormalResetCheck = false;
priv->force_reset = false;
priv->ieee80211->FwRWRF = 0; //we don't use FW read/write RF until stable firmware is available.
priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
IEEE_SOFTMAC_BEACONS;//added by amy 080604
priv->ieee80211->active_scan = 1;
priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
priv->ieee80211->host_encrypt = 1;
priv->ieee80211->host_decrypt = 1;
priv->ieee80211->start_send_beacons = NULL; //-by amy 080604
priv->ieee80211->stop_send_beacons = NULL; //-by amy 080604
priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
priv->ieee80211->set_chan = rtl8192_set_chan;
priv->ieee80211->link_change = rtl8192_link_change;
priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
priv->ieee80211->init_wmmparam_flag = 0;
priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
priv->ieee80211->qos_support = 1;
//added by WB
priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
//added by david
priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xUsb;
priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
//added by amy
priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
priv->card_type = USB;
#ifdef TO_DO_LIST
if (Adapter->bInHctTest) {
pHalData->ShortRetryLimit = 7;
pHalData->LongRetryLimit = 7;
}
#endif
priv->ShortRetryLimit = 0x30;
priv->LongRetryLimit = 0x30;
priv->EarlyRxThreshold = 7;
priv->enable_gpio0 = 0;
priv->TransmitConfig =
(TCR_MXDMA_2048<<TCR_MXDMA_OFFSET)| // Max DMA Burst Size per Tx DMA Burst, 7: reserved.
(priv->ShortRetryLimit<<TCR_SRL_OFFSET)| // Short retry limit
(priv->LongRetryLimit<<TCR_LRL_OFFSET) | // Long retry limit
(false ? TCR_SAT : 0); // FALSE: HW provides PLCP length and LENGEXT, TRUE: SW provides them
#ifdef TO_DO_LIST
if (Adapter->bInHctTest)
pHalData->ReceiveConfig = pHalData->CSMethod |
RCR_AMF | RCR_ADF | //accept management/data
//guangan200710
RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
RCR_AICV | RCR_ACRC32 | //accept ICV/CRC error packet
((u32)7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
(pHalData->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold.
(pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
else
#endif
priv->ReceiveConfig =
RCR_AMF | RCR_ADF | //accept management/data
RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
((u32)7<<RCR_MXDMA_OFFSET)| // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
(priv->EarlyRxThreshold<<RX_FIFO_THRESHOLD_SHIFT) | // Rx FIFO Threshold, 7: No Rx threshold.
(priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
priv->AcmControl = 0;
priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
/* rx related queue */
skb_queue_head_init(&priv->rx_queue);
skb_queue_head_init(&priv->skb_queue);
/* Tx related queue */
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
for (i = 0; i < MAX_QUEUE_SIZE; i++)
skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
priv->rf_set_chan = rtl8192_phy_SwChnl;
}
//init lock here
static void rtl8192_init_priv_lock(struct r8192_priv *priv)
{
spin_lock_init(&priv->tx_lock);
spin_lock_init(&priv->irq_lock);//added by thomas
sema_init(&priv->wx_sem, 1);
sema_init(&priv->rf_sem, 1);
mutex_init(&priv->mutex);
}
extern void rtl819x_watchdog_wqcallback(struct work_struct *work);
void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
//init tasklet and wait_queue here. only 2.6 above kernel is considered
#define DRV_NAME "wlan0"
static void rtl8192_init_priv_task(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
priv->priv_wq = create_workqueue(DRV_NAME);
INIT_WORK(&priv->reset_wq, rtl8192_restart);
INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
INIT_DELAYED_WORK(&priv->initialgain_operate_wq, InitialGainOperateWorkItemCallBack);
INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
tasklet_init(&priv->irq_rx_tasklet,
(void(*)(unsigned long))rtl8192_irq_rx_tasklet,
(unsigned long)priv);
}
static void rtl8192_get_eeprom_size(struct net_device *dev)
{
u16 curCR = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
read_nic_word_E(dev, EPROM_CMD, &curCR);
RT_TRACE(COMP_EPROM, "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
//whether need I consider BIT5?
priv->epromtype = (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
RT_TRACE(COMP_EPROM, "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
}
//used to swap endian. as ntohl & htonl are not necessary to swap endian, so use this instead.
static inline u16 endian_swap(u16 *data)
{
u16 tmp = *data;
*data = (tmp >> 8) | (tmp << 8);
return *data;
}
static void rtl8192_read_eeprom_info(struct net_device *dev)
{
u16 wEPROM_ID = 0;
u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
u8 bLoad_From_EEPOM = false;
struct r8192_priv *priv = ieee80211_priv(dev);
u16 tmpValue = 0;
int i;
RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
wEPROM_ID = eprom_read(dev, 0); //first read EEPROM ID out;
RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
if (wEPROM_ID != RTL8190_EEPROM_ID) {
RT_TRACE(COMP_ERR, "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n", wEPROM_ID, RTL8190_EEPROM_ID);
} else {
bLoad_From_EEPOM = true;
}
if (bLoad_From_EEPOM) {
tmpValue = eprom_read(dev, (EEPROM_VID>>1));
priv->eeprom_vid = endian_swap(&tmpValue);
priv->eeprom_pid = eprom_read(dev, (EEPROM_PID>>1));
tmpValue = eprom_read(dev, (EEPROM_ChannelPlan>>1));
priv->eeprom_ChannelPlan = ((tmpValue&0xff00)>>8);
priv->btxpowerdata_readfromEEPORM = true;
priv->eeprom_CustomerID = eprom_read(dev, (EEPROM_Customer_ID>>1)) >>8;
} else {
priv->eeprom_vid = 0;
priv->eeprom_pid = 0;
priv->card_8192_version = VERSION_819xU_B;
priv->eeprom_ChannelPlan = 0;
priv->eeprom_CustomerID = 0;
}
RT_TRACE(COMP_EPROM, "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n", priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID, priv->eeprom_ChannelPlan);
//set channelplan from eeprom
priv->ChannelPlan = priv->eeprom_ChannelPlan;
if (bLoad_From_EEPOM) {
int i;
for (i = 0; i < 6; i += 2) {
u16 tmp = 0;
tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i)>>1));
*(u16 *)(&dev->dev_addr[i]) = tmp;
}
} else {
memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
//should I set IDR0 here?
}
RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
priv->rf_type = RTL819X_DEFAULT_RF_TYPE; //default 1T2R
priv->rf_chip = RF_8256;
if (priv->card_8192_version == (u8)VERSION_819xU_A) {
//read Tx power gain offset of legacy OFDM to HT rate
if (bLoad_From_EEPOM)
priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff>>1))&0xff00) >> 8;
else
priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
//read ThermalMeter from EEPROM
if (bLoad_From_EEPOM)
priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter>>1))&0x00ff);
else
priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
//vivi, for tx power track
priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
//read antenna tx power offset of B/C/D to A from EEPROM
if (bLoad_From_EEPOM)
priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff>>1))&0x0f00)>>8;
else
priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
// Read CrystalCap from EEPROM
if (bLoad_From_EEPOM)
priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap>>1))&0x0f);
else
priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
//get per-channel Tx power level
if (bLoad_From_EEPOM)
priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver>>1))&0xff00)>>8;
else
priv->EEPROM_Def_Ver = 1;
RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
int i;
if (bLoad_From_EEPOM)
priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK>>1))&0xff) >> 8;
else
priv->EEPROMTxPowerLevelCCK = 0x10;
RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
for (i = 0; i < 3; i++) {
if (bLoad_From_EEPOM) {
tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G+i)>>1);
if (((EEPROM_TxPwIndex_OFDM_24G+i) % 2) == 0)
tmpValue = tmpValue & 0x00ff;
else
tmpValue = (tmpValue & 0xff00) >> 8;
} else {
tmpValue = 0x10;
}
priv->EEPROMTxPowerLevelOFDM24G[i] = (u8) tmpValue;
RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
}
} else if (priv->EEPROM_Def_Ver == 1) {
if (bLoad_From_EEPOM) {
tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1>>1));
tmpValue = (tmpValue & 0xff00) >> 8;
} else {
tmpValue = 0x10;
}
priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
if (bLoad_From_EEPOM)
tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2)>>1);
else
tmpValue = 0x1010;
*((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
if (bLoad_From_EEPOM)
tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1>>1));
else
tmpValue = 0x1010;
*((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
if (bLoad_From_EEPOM)
tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1+2)>>1);
else
tmpValue = 0x10;
priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
}//endif EEPROM_Def_Ver == 1
//update HAL variables
//
for (i = 0; i < 14; i++) {
if (i <= 3)
priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
else if (i >= 4 && i <= 9)
priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
else
priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
}
for (i = 0; i < 14; i++) {
if (priv->EEPROM_Def_Ver == 0) {
if (i <= 3)
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
else if (i >= 4 && i <= 9)
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
else
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
} else if (priv->EEPROM_Def_Ver == 1) {
if (i <= 3)
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
else if (i >= 4 && i <= 9)
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
else
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
}
}
priv->TxPowerDiff = priv->EEPROMPwDiff;
// Antenna B gain offset to antenna A, bit0~3
priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
// Antenna C gain offset to antenna A, bit4~7
priv->AntennaTxPwDiff[1] = ((priv->EEPROMTxPowerDiff & 0xf0)>>4);
// CrystalCap, bit12~15
priv->CrystalCap = priv->EEPROMCrystalCap;
// ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
// 92U does not enable TX power tracking.
priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
}//end if VersionID == VERSION_819xU_A
//added by vivi, for dlink led, 20080416
switch (priv->eeprom_CustomerID) {
case EEPROM_CID_RUNTOP:
priv->CustomerID = RT_CID_819x_RUNTOP;
break;
case EEPROM_CID_DLINK:
priv->CustomerID = RT_CID_DLINK;
break;
default:
priv->CustomerID = RT_CID_DEFAULT;
break;
}
switch (priv->CustomerID) {
case RT_CID_819x_RUNTOP:
priv->LedStrategy = SW_LED_MODE2;
break;
case RT_CID_DLINK:
priv->LedStrategy = SW_LED_MODE4;
break;
default:
priv->LedStrategy = SW_LED_MODE0;
break;
}
if (priv->rf_type == RF_1T2R) {
RT_TRACE(COMP_EPROM, "\n1T2R config\n");
} else {
RT_TRACE(COMP_EPROM, "\n2T4R config\n");
}
// 2008/01/16 MH We can only know RF type in the function. So we have to init
// DIG RATR table again.
init_rate_adaptive(dev);
//we need init DIG RATR table here again.
RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
return;
}
static short rtl8192_get_channel_map(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
netdev_err(dev, "rtl8180_init: Error channel plan! Set to default.\n");
priv->ChannelPlan = 0;
}
RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
rtl819x_set_channel_map(priv->ChannelPlan, priv);
return 0;
}
static short rtl8192_init(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
memset(&(priv->stats), 0, sizeof(struct Stats));
memset(priv->txqueue_to_outpipemap, 0, 9);
#ifdef PIPE12
{
int i = 0;
u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
}
#else
{
u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
}
#endif
rtl8192_init_priv_variable(dev);
rtl8192_init_priv_lock(priv);
rtl8192_init_priv_task(dev);
rtl8192_get_eeprom_size(dev);
rtl8192_read_eeprom_info(dev);
rtl8192_get_channel_map(dev);
init_hal_dm(dev);
init_timer(&priv->watch_dog_timer);
priv->watch_dog_timer.data = (unsigned long)dev;
priv->watch_dog_timer.function = watch_dog_timer_callback;
if (rtl8192_usb_initendpoints(dev) != 0) {
DMESG("Endopoints initialization failed");
return -ENOMEM;
}
return 0;
}
/******************************************************************************
*function: This function actually only set RRSR, RATR and BW_OPMODE registers
* not to do all the hw config as its name says
* input: net_device dev
* output: none
* return: none
* notice: This part need to modified according to the rate set we filtered
* ****************************************************************************/
static void rtl8192_hwconfig(struct net_device *dev)
{
u32 regRATR = 0, regRRSR = 0;
u8 regBwOpMode = 0, regTmp = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
u32 ratr_value = 0;
// Set RRSR, RATR, and BW_OPMODE registers
//
switch (priv->ieee80211->mode) {
case WIRELESS_MODE_B:
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK;
regRRSR = RATE_ALL_CCK;
break;
case WIRELESS_MODE_A:
regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
regRATR = RATE_ALL_OFDM_AG;
regRRSR = RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_G:
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_AUTO: