Commit 760ffce8 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman

Staging: delete rtl8192su driver

Now that we have a much better driver for this device (rtl8712), delete
this driver as it is no longer needed.

Cc: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 1407a9e1
......@@ -73,8 +73,6 @@ source "drivers/staging/panel/Kconfig"
source "drivers/staging/rtl8187se/Kconfig"
source "drivers/staging/rtl8192su/Kconfig"
source "drivers/staging/rtl8192u/Kconfig"
source "drivers/staging/rtl8192e/Kconfig"
......
......@@ -20,7 +20,6 @@ obj-$(CONFIG_COMEDI) += comedi/
obj-$(CONFIG_ASUS_OLED) += asus_oled/
obj-$(CONFIG_PANEL) += panel/
obj-$(CONFIG_R8187SE) += rtl8187se/
obj-$(CONFIG_RTL8192SU) += rtl8192su/
obj-$(CONFIG_RTL8192U) += rtl8192u/
obj-$(CONFIG_RTL8192E) += rtl8192e/
obj-$(CONFIG_R8712U) += rtl8712/
......
config RTL8192SU
tristate "RealTek RTL8192SU Wireless LAN NIC driver"
depends on PCI && WLAN && USB
select WIRELESS_EXT
select WEXT_PRIV
select EEPROM_93CX6
select CRYPTO
default N
---help---
NIC_SELECT = RTL8192SU
EXTRA_CFLAGS += -std=gnu89
EXTRA_CFLAGS += -O2
EXTRA_CFLAGS += -DJACKSON_NEW_RX
EXTRA_CFLAGS += -DTHOMAS_BEACON
#EXTRA_CFLAGS += -DMUTIPLE_BULK_OUT
r8192s_usb-objs := \
r8192U_wx.o \
r8192S_phy.o \
r8192S_rtl6052.o \
r8192S_rtl8225.o \
r819xU_cmdpkt.o \
r8192U_dm.o \
r8192SU_HWImg.o \
r8192S_firmware.o \
r8192S_Efuse.o \
r8192U_core.o \
r8192U_pm.o \
r8192SU_led.o \
ieee80211/ieee80211_crypt.o \
ieee80211/ieee80211_crypt_tkip.o \
ieee80211/ieee80211_crypt_ccmp.o \
ieee80211/ieee80211_crypt_wep.o \
ieee80211/ieee80211_rx.o \
ieee80211/ieee80211_softmac.o \
ieee80211/ieee80211_tx.o \
ieee80211/ieee80211_wx.o \
ieee80211/ieee80211_module.o \
ieee80211/ieee80211_softmac_wx.o\
ieee80211/rtl819x_HTProc.o \
ieee80211/rtl819x_TSProc.o \
ieee80211/rtl819x_BAProc.o \
ieee80211/dot11d.o
obj-$(CONFIG_RTL8192SU) += r8192s_usb.o
TODO:
- merge realteks bugfixes and new features into the driver:
- an updated version of this driver can be found here:
http://www.getnet.eu/products_GN-621U.html
- note:
realtek has stripped alomost all comments from the source,
so please leave all comments that may help in development in the code.
- prepare private ieee80211 stack for merge with rtl8187se's version:
- remove rtl8192su's specific dead code
- cleanup ieee80211.h
- move rtl8192su's specific code out from ieee80211.h
- abstract rtl819su's specific code
- switch to use shared "librtl" instead of private ieee80211 stack
- switch to use LIB80211
- switch to use MAC80211
- use kernel coding style
- checkpatch.pl fixes
- sparse fixes
- integrate with drivers/net/wireless/rtl818x
Please send any patches to Greg Kroah-Hartman <greg@kroah.com>.
Andrea Merello <andreamrl@tiscali.it>
NIC_SELECT = RTL8192SU
EXTRA_CFLAGS += -O2
EXTRA_CFLAGS += -DRTL8192S_DISABLE_FW_DM=0
EXTRA_CFLAGS += -DRTL8192SU
#EXTRA_CFLAGS += -DJOHN_NOCPY
EXTRA_CFLAGS += -DTHOMAS_TURBO
ieee80211-rsl-objs := ieee80211_rx.o \
ieee80211_softmac.o \
ieee80211_tx.o \
ieee80211_wx.o \
ieee80211_module.o \
ieee80211_softmac_wx.o\
rtl819x_HTProc.o\
rtl819x_TSProc.o\
rtl819x_BAProc.o\
dot11d.o
ieee80211_crypt-rsl-objs := ieee80211_crypt.o
ieee80211_crypt_tkip-rsl-objs := ieee80211_crypt_tkip.o
ieee80211_crypt_ccmp-rsl-objs := ieee80211_crypt_ccmp.o
ieee80211_crypt_wep-rsl-objs := ieee80211_crypt_wep.o
obj-m +=ieee80211-rsl.o
obj-m +=ieee80211_crypt-rsl.o
obj-m +=ieee80211_crypt_wep-rsl.o
obj-m +=ieee80211_crypt_tkip-rsl.o
obj-m +=ieee80211_crypt_ccmp-rsl.o
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* 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>
******************************************************************************/
#include "dot11d.h"
void
Dot11d_Init(struct ieee80211_device *ieee)
{
PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee);
pDot11dInfo->bEnabled = 0;
pDot11dInfo->State = DOT11D_STATE_NONE;
pDot11dInfo->CountryIeLen = 0;
memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
RESET_CIE_WATCHDOG(ieee);
printk("Dot11d_Init()\n");
}
//
// Description:
// Reset to the state as we are just entering a regulatory domain.
//
void
Dot11d_Reset(struct ieee80211_device *ieee)
{
u32 i;
PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee);
// Clear old channel map
memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
// Set new channel map
for (i=1; i<=11; i++) {
(pDot11dInfo->channel_map)[i] = 1;
}
for (i=12; i<=14; i++) {
(pDot11dInfo->channel_map)[i] = 2;
}
pDot11dInfo->State = DOT11D_STATE_NONE;
pDot11dInfo->CountryIeLen = 0;
RESET_CIE_WATCHDOG(ieee);
}
//
// Description:
// Update country IE from Beacon or Probe Resopnse
// and configure PHY for operation in the regulatory domain.
//
// TODO:
// Configure Tx power.
//
// Assumption:
// 1. IS_DOT11D_ENABLE() is TRUE.
// 2. Input IE is an valid one.
//
void
Dot11d_UpdateCountryIe(
struct ieee80211_device *dev,
u8 * pTaddr,
u16 CoutryIeLen,
u8 * pCoutryIe
)
{
PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
u8 i, j, NumTriples, MaxChnlNum;
PCHNL_TXPOWER_TRIPLE pTriple;
memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
MaxChnlNum = 0;
NumTriples = (CoutryIeLen - 3) / 3; // skip 3-byte country string.
pTriple = (PCHNL_TXPOWER_TRIPLE)(pCoutryIe + 3);
for(i = 0; i < NumTriples; i++)
{
if(MaxChnlNum >= pTriple->FirstChnl)
{ // It is not in a monotonically increasing order, so stop processing.
printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n");
return;
}
if(MAX_CHANNEL_NUMBER < (pTriple->FirstChnl + pTriple->NumChnls))
{ // It is not a valid set of channel id, so stop processing.
printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n");
return;
}
for(j = 0 ; j < pTriple->NumChnls; j++)
{
pDot11dInfo->channel_map[pTriple->FirstChnl + j] = 1;
pDot11dInfo->MaxTxPwrDbmList[pTriple->FirstChnl + j] = pTriple->MaxTxPowerInDbm;
MaxChnlNum = pTriple->FirstChnl + j;
}
pTriple = (PCHNL_TXPOWER_TRIPLE)((u8*)pTriple + 3);
}
#if 1
printk("Channel List:");
for(i=1; i<= MAX_CHANNEL_NUMBER; i++)
if(pDot11dInfo->channel_map[i] > 0)
printk(" %d", i);
printk("\n");
#endif
UPDATE_CIE_SRC(dev, pTaddr);
pDot11dInfo->CountryIeLen = CoutryIeLen;
memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe,CoutryIeLen);
pDot11dInfo->State = DOT11D_STATE_LEARNED;
}
u8
DOT11D_GetMaxTxPwrInDbm(
struct ieee80211_device *dev,
u8 Channel
)
{
PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
u8 MaxTxPwrInDbm = 255;
if(MAX_CHANNEL_NUMBER < Channel)
{
printk("DOT11D_GetMaxTxPwrInDbm(): Invalid Channel\n");
return MaxTxPwrInDbm;
}
if(pDot11dInfo->channel_map[Channel])
{
MaxTxPwrInDbm = pDot11dInfo->MaxTxPwrDbmList[Channel];
}
return MaxTxPwrInDbm;
}
void
DOT11D_ScanComplete(
struct ieee80211_device * dev
)
{
PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
switch(pDot11dInfo->State)
{
case DOT11D_STATE_LEARNED:
pDot11dInfo->State = DOT11D_STATE_DONE;
break;
case DOT11D_STATE_DONE:
if( GET_CIE_WATCHDOG(dev) == 0 )
{ // Reset country IE if previous one is gone.
Dot11d_Reset(dev);
}
break;
case DOT11D_STATE_NONE:
break;
}
}
int IsLegalChannel(
struct ieee80211_device * dev,
u8 channel
)
{
PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
if(MAX_CHANNEL_NUMBER < channel)
{
printk("IsLegalChannel(): Invalid Channel\n");
return 0;
}
if(pDot11dInfo->channel_map[channel] > 0)
return 1;
return 0;
}
int ToLegalChannel(
struct ieee80211_device * dev,
u8 channel
)
{
PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
u8 default_chn = 0;
u32 i = 0;
for (i=1; i<= MAX_CHANNEL_NUMBER; i++)
{
if(pDot11dInfo->channel_map[i] > 0)
{
default_chn = i;
break;
}
}
if(MAX_CHANNEL_NUMBER < channel)
{
printk("IsLegalChannel(): Invalid Channel\n");
return default_chn;
}
if(pDot11dInfo->channel_map[channel] > 0)
return channel;
return default_chn;
}
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* 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>
******************************************************************************/
#ifndef __INC_DOT11D_H
#define __INC_DOT11D_H
#include "ieee80211.h"
typedef struct _CHNL_TXPOWER_TRIPLE {
u8 FirstChnl;
u8 NumChnls;
u8 MaxTxPowerInDbm;
}CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
typedef enum _DOT11D_STATE {
DOT11D_STATE_NONE = 0,
DOT11D_STATE_LEARNED,
DOT11D_STATE_DONE,
}DOT11D_STATE;
typedef struct _RT_DOT11D_INFO {
bool bEnabled; // dot11MultiDomainCapabilityEnabled
u16 CountryIeLen; // > 0 if CountryIeBuf[] contains valid country information element.
u8 CountryIeBuf[MAX_IE_LEN];
u8 CountryIeSrcAddr[6]; // Source AP of the country IE.
u8 CountryIeWatchdog;
u8 channel_map[MAX_CHANNEL_NUMBER+1]; //!!!Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan)
u8 MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
DOT11D_STATE State;
}RT_DOT11D_INFO, *PRT_DOT11D_INFO;
#define eqMacAddr(a,b) ( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
#define cpMacAddr(des,src) ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5])
#define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO)((__pIeeeDev)->pDot11dInfo))
#define IS_DOT11D_ENABLE(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->bEnabled
#define IS_COUNTRY_IE_VALID(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
#define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
#define UPDATE_CIE_SRC(__pIeeeDev, __pTa) cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
#define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \
(((__Ie).Length == 0 || (__Ie).Length != GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? \
FALSE : \
(!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, (__Ie).Octet, (__Ie).Length)))
#define CIE_WATCHDOG_TH 1
#define GET_CIE_WATCHDOG(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog
#define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
#define UPDATE_CIE_WATCHDOG(__pIeeeDev) ++GET_CIE_WATCHDOG(__pIeeeDev)
#define IS_DOT11D_STATE_DONE(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
void
Dot11d_Init(
struct ieee80211_device *dev
);
void
Dot11d_Reset(
struct ieee80211_device *dev
);
void
Dot11d_UpdateCountryIe(
struct ieee80211_device *dev,
u8 * pTaddr,
u16 CoutryIeLen,
u8 * pCoutryIe
);
u8
DOT11D_GetMaxTxPwrInDbm(
struct ieee80211_device *dev,
u8 Channel
);
void
DOT11D_ScanComplete(
struct ieee80211_device * dev
);
int IsLegalChannel(
struct ieee80211_device * dev,
u8 channel
);
int ToLegalChannel(
struct ieee80211_device * dev,
u8 channel
);
#endif
This diff is collapsed.
/*
* Host AP crypto routines
*
* Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
* Portions Copyright (C) 2004, Intel Corporation <jketreno@linux.intel.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. See README and COPYING for
* more details.
*
*/
#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <asm/string.h>
#include <asm/errno.h>
#include "ieee80211.h"
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("HostAP crypto");
MODULE_LICENSE("GPL");
struct ieee80211_crypto_alg {
struct list_head list;
struct ieee80211_crypto_ops *ops;
};
struct ieee80211_crypto {
struct list_head algs;
spinlock_t lock;
};
static struct ieee80211_crypto *hcrypt;
void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee,
int force)
{
struct list_head *ptr, *n;
struct ieee80211_crypt_data *entry;
for (ptr = ieee->crypt_deinit_list.next, n = ptr->next;
ptr != &ieee->crypt_deinit_list; ptr = n, n = ptr->next) {
entry = list_entry(ptr, struct ieee80211_crypt_data, list);
if (atomic_read(&entry->refcnt) != 0 && !force)
continue;
list_del(ptr);
if (entry->ops)
entry->ops->deinit(entry->priv);
kfree(entry);
}
}
void ieee80211_crypt_deinit_handler(unsigned long data)
{
struct ieee80211_device *ieee = (struct ieee80211_device *)data;
unsigned long flags;
spin_lock_irqsave(&ieee->lock, flags);
ieee80211_crypt_deinit_entries(ieee, 0);
if (!list_empty(&ieee->crypt_deinit_list)) {
printk(KERN_DEBUG "%s: entries remaining in delayed crypt "
"deletion list\n", ieee->dev->name);
ieee->crypt_deinit_timer.expires = jiffies + HZ;
add_timer(&ieee->crypt_deinit_timer);
}
spin_unlock_irqrestore(&ieee->lock, flags);
}
void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee,
struct ieee80211_crypt_data **crypt)
{
struct ieee80211_crypt_data *tmp;
unsigned long flags;
if (*crypt == NULL)
return;
tmp = *crypt;
*crypt = NULL;
/* must not run ops->deinit() while there may be pending encrypt or
* decrypt operations. Use a list of delayed deinits to avoid needing
* locking. */
spin_lock_irqsave(&ieee->lock, flags);
list_add(&tmp->list, &ieee->crypt_deinit_list);
if (!timer_pending(&ieee->crypt_deinit_timer)) {
ieee->crypt_deinit_timer.expires = jiffies + HZ;
add_timer(&ieee->crypt_deinit_timer);
}
spin_unlock_irqrestore(&ieee->lock, flags);
}
int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops)
{
unsigned long flags;
struct ieee80211_crypto_alg *alg;
if (hcrypt == NULL)
return -1;
alg = kzalloc(sizeof(*alg), GFP_KERNEL);
if (alg == NULL)
return -ENOMEM;
alg->ops = ops;
spin_lock_irqsave(&hcrypt->lock, flags);
list_add(&alg->list, &hcrypt->algs);
spin_unlock_irqrestore(&hcrypt->lock, flags);
printk(KERN_DEBUG "ieee80211_crypt: registered algorithm '%s'\n",
ops->name);
return 0;
}
int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops)
{
unsigned long flags;
struct list_head *ptr;
struct ieee80211_crypto_alg *del_alg = NULL;
if (hcrypt == NULL)
return -1;
spin_lock_irqsave(&hcrypt->lock, flags);
for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *) ptr;
if (alg->ops == ops) {
list_del(&alg->list);
del_alg = alg;
break;
}
}
spin_unlock_irqrestore(&hcrypt->lock, flags);
if (del_alg) {
printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm "
"'%s'\n", ops->name);
kfree(del_alg);
}
return del_alg ? 0 : -1;
}
struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name)
{
unsigned long flags;
struct list_head *ptr;
struct ieee80211_crypto_alg *found_alg = NULL;
if (hcrypt == NULL)
return NULL;
spin_lock_irqsave(&hcrypt->lock, flags);
for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) {
struct ieee80211_crypto_alg *alg =
(struct ieee80211_crypto_alg *) ptr;
if (strcmp(alg->ops->name, name) == 0) {
found_alg = alg;
break;
}
}
spin_unlock_irqrestore(&hcrypt->lock, flags);
if (found_alg)
return found_alg->ops;
else
return NULL;
}
static void * ieee80211_crypt_null_init(int keyidx) { return (void *) 1; }
static void ieee80211_crypt_null_deinit(void *priv) {}
static struct ieee80211_crypto_ops ieee80211_crypt_null = {
.name = "NULL",
.init = ieee80211_crypt_null_init,
.deinit = ieee80211_crypt_null_deinit,
.encrypt_mpdu = NULL,
.decrypt_mpdu = NULL,
.encrypt_msdu = NULL,
.decrypt_msdu = NULL,
.set_key = NULL,
.get_key = NULL,
.extra_prefix_len = 0,
.extra_postfix_len = 0,
.owner = THIS_MODULE,
};
int ieee80211_crypto_init(void)
{
int ret = -ENOMEM;
hcrypt = kzalloc(sizeof(*hcrypt), GFP_KERNEL);
if (!hcrypt)
goto out;
INIT_LIST_HEAD(&hcrypt->algs);
spin_lock_init(&hcrypt->lock);
ret = ieee80211_register_crypto_ops(&ieee80211_crypt_null);
if (ret < 0) {
kfree(hcrypt);
hcrypt = NULL;
}
out:
return ret;
}
void ieee80211_crypto_deinit(void)
{
struct list_head *ptr, *n;
struct ieee80211_crypto_alg *alg = NULL;
if (hcrypt == NULL)
return;
list_for_each_safe(ptr, n, &hcrypt->algs) {
alg = list_entry(ptr, struct ieee80211_crypto_alg, list);
if (alg) {
list_del(ptr);
printk(KERN_DEBUG
"ieee80211_crypt: unregistered algorithm '%s' (deinit)\n",
alg->ops->name);
kfree(alg);
}
}
kfree(hcrypt);
}
/*
* Original code based on Host AP (software wireless LAN access point) driver
* for Intersil Prism2/2.5/3.
*
* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
* <jkmaline@cc.hut.fi>
* Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
*
* Adaption to a generic IEEE 802.11 stack by James Ketrenos
* <jketreno@linux.intel.com>
*
* Copyright (c) 2004, Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. See README and COPYING for
* more details.
*/
/*
* This file defines the interface to the ieee80211 crypto module.
*/
#ifndef IEEE80211_CRYPT_H
#define IEEE80211_CRYPT_H
#include <linux/skbuff.h>
struct ieee80211_crypto_ops {
const char *name;
/* init new crypto context (e.g., allocate private data space,
* select IV, etc.); returns NULL on failure or pointer to allocated
* private data on success */
void * (*init)(int keyidx);
/* deinitialize crypto context and free allocated private data */
void (*deinit)(void *priv);
/* encrypt/decrypt return < 0 on error or >= 0 on success. The return
* value from decrypt_mpdu is passed as the keyidx value for
* decrypt_msdu. skb must have enough head and tail room for the
* encryption; if not, error will be returned; these functions are
* called for all MPDUs (i.e., fragments).
*/
int (*encrypt_mpdu)(struct sk_buff *skb, int hdr_len, void *priv);
int (*decrypt_mpdu)(struct sk_buff *skb, int hdr_len, void *priv);
/* These functions are called for full MSDUs, i.e. full frames.
* These can be NULL if full MSDU operations are not needed. */
int (*encrypt_msdu)(struct sk_buff *skb, int hdr_len, void *priv);
int (*decrypt_msdu)(struct sk_buff *skb, int keyidx, int hdr_len,
void *priv, struct ieee80211_device* ieee);
int (*set_key)(void *key, int len, u8 *seq, void *priv);
int (*get_key)(void *key, int len, u8 *seq, void *priv);
/* procfs handler for printing out key information and possible
* statistics */
char * (*print_stats)(char *p, void *priv);
/* maximum number of bytes added by encryption; encrypt buf is
* allocated with extra_prefix_len bytes, copy of in_buf, and
* extra_postfix_len; encrypt need not use all this space, but
* the result must start at the beginning of the buffer and correct
* length must be returned */
int extra_prefix_len, extra_postfix_len;
struct module *owner;
};
struct ieee80211_crypt_data {
struct list_head list; /* delayed deletion list */
struct ieee80211_crypto_ops *ops;
void *priv;
atomic_t refcnt;
};
int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops);
int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops);
struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name);
void ieee80211_crypt_deinit_entries(struct ieee80211_device *, int);
void ieee80211_crypt_deinit_handler(unsigned long);
void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee,
struct ieee80211_crypt_data **crypt);
#endif
/*
* Host AP crypt: host-based WEP encryption implementation for Host AP driver
*
* Copyright (c) 2002-2004, Jouni Malinen <jkmaline@cc.hut.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation. See README and COPYING for
* more details.
*/
#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/skbuff.h>
#include <asm/string.h>
#include "ieee80211.h"
#include <linux/crypto.h>
#include <linux/scatterlist.h>
#include <linux/crc32.h>
MODULE_AUTHOR("Jouni Malinen");
MODULE_DESCRIPTION("Host AP crypt: WEP");
MODULE_LICENSE("GPL");
struct prism2_wep_data {
u32 iv;
#define WEP_KEY_LEN 13
u8 key[WEP_KEY_LEN + 1];
u8 key_len;
u8 key_idx;
struct crypto_blkcipher *tx_tfm;
struct crypto_blkcipher *rx_tfm;
};
static void * prism2_wep_init(int keyidx)
{
struct prism2_wep_data *priv;
priv = kzalloc(sizeof(*priv), GFP_ATOMIC);
if (priv == NULL)
goto fail;
priv->key_idx = keyidx;
priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->tx_tfm)) {
printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
"crypto API arc4\n");
priv->tx_tfm = NULL;
goto fail;
}
priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->rx_tfm)) {
printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
"crypto API arc4\n");
priv->rx_tfm = NULL;
goto fail;
}
/* start WEP IV from a random value */
get_random_bytes(&priv->iv, 4);
return priv;
fail:
if (priv) {
if (priv->tx_tfm)
crypto_free_blkcipher(priv->tx_tfm);
if (priv->rx_tfm)
crypto_free_blkcipher(priv->rx_tfm);
kfree(priv);
}
return NULL;
}
static void prism2_wep_deinit(void *priv)
{
struct prism2_wep_data *_priv = priv;
if (_priv) {
if (_priv->tx_tfm)
crypto_free_blkcipher(_priv->tx_tfm);
if (_priv->rx_tfm)
crypto_free_blkcipher(_priv->rx_tfm);
}
kfree(priv);
}
/* Perform WEP encryption on given skb that has at least 4 bytes of headroom
* for IV and 4 bytes of tailroom for ICV. Both IV and ICV will be transmitted,
* so the payload length increases with 8 bytes.
*
* WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data))
*/
static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct prism2_wep_data *wep = priv;
u32 klen, len;
u8 key[WEP_KEY_LEN + 3];
u8 *pos;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
struct blkcipher_desc desc = { .tfm = wep->tx_tfm };
u32 crc;
u8 *icv;
struct scatterlist sg;
if (skb_headroom(skb) < 4 || skb_tailroom(skb) < 4 ||
skb->len < hdr_len)
return -1;
len = skb->len - hdr_len;
pos = skb_push(skb, 4);
memmove(pos, pos + 4, hdr_len);
pos += hdr_len;
klen = 3 + wep->key_len;
wep->iv++;
/* Fluhrer, Mantin, and Shamir have reported weaknesses in the key
* scheduling algorithm of RC4. At least IVs (KeyByte + 3, 0xff, N)
* can be used to speedup attacks, so avoid using them. */
if ((wep->iv & 0xff00) == 0xff00) {
u8 B = (wep->iv >> 16) & 0xff;
if (B >= 3 && B < klen)
wep->iv += 0x0100;
}
/* Prepend 24-bit IV to RC4 key and TX frame */
*pos++ = key[0] = (wep->iv >> 16) & 0xff;
*pos++ = key[1] = (wep->iv >> 8) & 0xff;
*pos++ = key[2] = wep->iv & 0xff;
*pos++ = wep->key_idx << 6;
/* Copy rest of the WEP key (the secret part) */
memcpy(key + 3, wep->key, wep->key_len);
if (!tcb_desc->bHwSec)
{
/* Append little-endian CRC32 and encrypt it to produce ICV */
crc = ~crc32_le(~0, pos, len);
icv = skb_put(skb, 4);
icv[0] = crc;
icv[1] = crc >> 8;
icv[2] = crc >> 16;
icv[3] = crc >> 24;
crypto_blkcipher_setkey(wep->tx_tfm, key, klen);
sg_init_one(&sg, pos, len+4);
return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
}
return 0;
}
/* Perform WEP decryption on given buffer. Buffer includes whole WEP part of
* the frame: IV (4 bytes), encrypted payload (including SNAP header),
* ICV (4 bytes). len includes both IV and ICV.
*
* Returns 0 if frame was decrypted successfully and ICV was correct and -1 on
* failure. If frame is OK, IV and ICV will be removed.
*/
static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct prism2_wep_data *wep = priv;
u32 klen, plen;
u8 key[WEP_KEY_LEN + 3];
u8 keyidx, *pos;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
struct blkcipher_desc desc = { .tfm = wep->rx_tfm };
u32 crc;
u8 icv[4];
struct scatterlist sg;
if (skb->len < hdr_len + 8)
return -1;
pos = skb->data + hdr_len;
key[0] = *pos++;
key[1] = *pos++;
key[2] = *pos++;
keyidx = *pos++ >> 6;
if (keyidx != wep->key_idx)
return -1;
klen = 3 + wep->key_len;
/* Copy rest of the WEP key (the secret part) */
memcpy(key + 3, wep->key, wep->key_len);
/* Apply RC4 to data and compute CRC32 over decrypted data */
plen = skb->len - hdr_len - 8;
if (!tcb_desc->bHwSec)
{
crypto_blkcipher_setkey(wep->rx_tfm, key, klen);
sg_init_one(&sg, pos, plen + 4);
if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4))
return -7;
crc = ~crc32_le(~0, pos, plen);
icv[0] = crc;
icv[1] = crc >> 8;
icv[2] = crc >> 16;
icv[3] = crc >> 24;
if (memcmp(icv, pos + plen, 4) != 0) {
/* ICV mismatch - drop frame */
return -2;
}
}
/* Remove IV and ICV */
memmove(skb->data + 4, skb->data, hdr_len);
skb_pull(skb, 4);
skb_trim(skb, skb->len - 4);
return 0;
}
static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv)
{
struct prism2_wep_data *wep = priv;
if (len < 0 || len > WEP_KEY_LEN)
return -1;
memcpy(wep->key, key, len);
wep->key_len = len;
return 0;
}
static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv)
{
struct prism2_wep_data *wep = priv;
if (len < wep->key_len)
return -1;
memcpy(key, wep->key, wep->key_len);
return wep->key_len;
}
static char * prism2_wep_print_stats(char *p, void *priv)
{
struct prism2_wep_data *wep = priv;
p += sprintf(p, "key[%d] alg=WEP len=%d\n",
wep->key_idx, wep->key_len);
return p;
}
static struct ieee80211_crypto_ops ieee80211_crypt_wep = {
.name = "WEP",
.init = prism2_wep_init,
.deinit = prism2_wep_deinit,
.encrypt_mpdu = prism2_wep_encrypt,
.decrypt_mpdu = prism2_wep_decrypt,
.encrypt_msdu = NULL,
.decrypt_msdu = NULL,
.set_key = prism2_wep_set_key,
.get_key = prism2_wep_get_key,
.print_stats = prism2_wep_print_stats,
.extra_prefix_len = 4, /* IV */
.extra_postfix_len = 4, /* ICV */
.owner = THIS_MODULE,
};
int ieee80211_crypto_wep_init(void)
{
return ieee80211_register_crypto_ops(&ieee80211_crypt_wep);
}
void ieee80211_crypto_wep_exit(void)
{
ieee80211_unregister_crypto_ops(&ieee80211_crypt_wep);
}
void ieee80211_wep_null(void)
{
return;
}
/*******************************************************************************
Copyright(c) 2004 Intel Corporation. All rights reserved.
Portions of this file are based on the WEP enablement code provided by the
Host AP project hostap-drivers v0.1.3
Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
<jkmaline@cc.hut.fi>
Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
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., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
James P. Ketrenos <ipw2100-admin@linux.intel.com>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#include <linux/compiler.h>
#include <linux/errno.h>
#include <linux/if_arp.h>
#include <linux/in6.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/tcp.h>
#include <linux/types.h>
#include <linux/version.h>
#include <linux/wireless.h>
#include <linux/etherdevice.h>
#include <asm/uaccess.h>
#include <net/arp.h>
#include "ieee80211.h"
MODULE_DESCRIPTION("802.11 data/management/control stack");
MODULE_AUTHOR("Copyright (C) 2004 Intel Corporation <jketreno@linux.intel.com>");
MODULE_LICENSE("GPL");
#define DRV_NAME "ieee80211"
static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
{
if (ieee->networks)
return 0;
ieee->networks = kcalloc(
MAX_NETWORK_COUNT, sizeof(struct ieee80211_network),
GFP_KERNEL);
if (!ieee->networks) {
printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
ieee->dev->name);
return -ENOMEM;
}
return 0;
}
static inline void ieee80211_networks_free(struct ieee80211_device *ieee)
{
if (!ieee->networks)
return;
kfree(ieee->networks);
ieee->networks = NULL;
}
static inline void ieee80211_networks_initialize(struct ieee80211_device *ieee)
{
int i;
INIT_LIST_HEAD(&ieee->network_free_list);
INIT_LIST_HEAD(&ieee->network_list);
for (i = 0; i < MAX_NETWORK_COUNT; i++)
list_add_tail(&ieee->networks[i].list, &ieee->network_free_list);
}
struct net_device *alloc_ieee80211(int sizeof_priv)
{
struct ieee80211_device *ieee;
struct net_device *dev;
int i,err;
IEEE80211_DEBUG_INFO("Initializing...\n");
dev = alloc_etherdev(sizeof(struct ieee80211_device) + sizeof_priv);
if (!dev) {
IEEE80211_ERROR("Unable to network device.\n");
goto failed;
}
ieee = netdev_priv(dev);
memset(ieee, 0, sizeof(struct ieee80211_device)+sizeof_priv);
ieee->dev = dev;
err = ieee80211_networks_allocate(ieee);
if (err) {
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n",
err);
goto failed;
}
ieee80211_networks_initialize(ieee);
/* Default fragmentation threshold is maximum payload size */
ieee->fts = DEFAULT_FTS;
ieee->scan_age = DEFAULT_MAX_SCAN_AGE;
ieee->open_wep = 1;
/* Default to enabling full open WEP with host based encrypt/decrypt */
ieee->host_encrypt = 1;
ieee->host_decrypt = 1;
ieee->ieee802_1x = 1; /* Default to supporting 802.1x */
INIT_LIST_HEAD(&ieee->crypt_deinit_list);
init_timer(&ieee->crypt_deinit_timer);
ieee->crypt_deinit_timer.data = (unsigned long)ieee;
ieee->crypt_deinit_timer.function = ieee80211_crypt_deinit_handler;
spin_lock_init(&ieee->lock);
spin_lock_init(&ieee->wpax_suitlist_lock);
spin_lock_init(&ieee->bw_spinlock);
spin_lock_init(&ieee->reorder_spinlock);
atomic_set(&(ieee->atm_chnlop), 0);
atomic_set(&(ieee->atm_swbw), 0);
ieee->wpax_type_set = 0;
ieee->wpa_enabled = 0;
ieee->tkip_countermeasures = 0;
ieee->drop_unencrypted = 0;
ieee->privacy_invoked = 0;
ieee->ieee802_1x = 1;
ieee->raw_tx = 0;
ieee->hwsec_active = 0; //disable hwsec, switch it on when necessary.
ieee80211_softmac_init(ieee);
ieee->pHTInfo = kzalloc(sizeof(RT_HIGH_THROUGHPUT), GFP_KERNEL);
if (ieee->pHTInfo == NULL)
{
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for HTInfo\n");
return NULL;
}
HTUpdateDefaultSetting(ieee);
HTInitializeHTInfo(ieee); //may move to other place.
TSInitialize(ieee);
for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++)
INIT_LIST_HEAD(&ieee->ibss_mac_hash[i]);
for (i = 0; i < 17; i++) {
ieee->last_rxseq_num[i] = -1;
ieee->last_rxfrag_num[i] = -1;
ieee->last_packet_time[i] = 0;
}
//These function were added to load crypte module autoly
ieee80211_tkip_null();
ieee80211_wep_null();
ieee80211_ccmp_null();
return dev;
failed:
if (dev)
free_netdev(dev);
return NULL;
}
void free_ieee80211(struct net_device *dev)
{
struct ieee80211_device *ieee = netdev_priv(dev);
int i;
#if 1
if (ieee->pHTInfo != NULL)
{
kfree(ieee->pHTInfo);
ieee->pHTInfo = NULL;
}
#endif
RemoveAllTS(ieee);
ieee80211_softmac_free(ieee);
del_timer_sync(&ieee->crypt_deinit_timer);
ieee80211_crypt_deinit_entries(ieee, 1);
for (i = 0; i < WEP_KEYS; i++) {
struct ieee80211_crypt_data *crypt = ieee->crypt[i];
if (crypt) {
if (crypt->ops)
crypt->ops->deinit(crypt->priv);
kfree(crypt);
ieee->crypt[i] = NULL;
}
}
ieee80211_networks_free(ieee);
free_netdev(dev);
}
#ifdef CONFIG_IEEE80211_DEBUG
u32 ieee80211_debug_level = 0;
static int debug = \
IEEE80211_DL_ERR //awayls open this flags to show error out
;
struct proc_dir_entry *ieee80211_proc = NULL;
static int show_debug_level(char *page, char **start, off_t offset,
int count, int *eof, void *data)
{
return snprintf(page, count, "0x%08X\n", ieee80211_debug_level);
}
static int store_debug_level(struct file *file, const char *buffer,
unsigned long count, void *data)
{
char buf[] = "0x00000000";
unsigned long len = min_t(unsigned long, sizeof(buf) - 1, count);
char *p = (char *)buf;
unsigned long val;
if (copy_from_user(buf, buffer, len))
return count;
buf[len] = 0;
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
p++;
if (p[0] == 'x' || p[0] == 'X')
p++;
val = simple_strtoul(p, &p, 16);
} else
val = simple_strtoul(p, &p, 10);
if (p == buf)
printk(KERN_INFO DRV_NAME
": %s is not in hex or decimal form.\n", buf);
else
ieee80211_debug_level = val;
return strnlen(buf, count);
}
int ieee80211_debug_init(void)
{
struct proc_dir_entry *e;
ieee80211_debug_level = debug;
ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, init_net.proc_net);
if (ieee80211_proc == NULL) {
IEEE80211_ERROR("Unable to create " DRV_NAME
" proc directory\n");
return -EIO;
}
e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR,
ieee80211_proc);
if (!e) {
remove_proc_entry(DRV_NAME, init_net.proc_net);
ieee80211_proc = NULL;
return -EIO;
}
e->read_proc = show_debug_level;
e->write_proc = store_debug_level;
e->data = NULL;
return 0;
}
void ieee80211_debug_exit(void)
{
if (ieee80211_proc) {
remove_proc_entry("debug_level", ieee80211_proc);
remove_proc_entry(DRV_NAME, init_net.proc_net);
ieee80211_proc = NULL;
}
}
#include <linux/moduleparam.h>
module_param(debug, int, 0444);
MODULE_PARM_DESC(debug, "debug output mask");
#endif
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What this layer should do
- It mantain the old mechanism as alternative, so the
ipw2100 driver works with really few changes.
- Encapsulate / Decapsulate ieee80211 packet
- Handle fragmentation
- Optionally provide an alterantive mechanism for netif queue stop/wake,
so that the ieee80211 layer will pass one fragment per time instead of
one txb struct per time. so the driver can stop the queue in the middle
of a packet.
- Provide two different TX interfaces for cards that can handle management
frames on one HW queue, and data on another, and for cards that have only
one HW queue (the latter untested and very, very rough).
- Optionally provide the logic for handling IBSS/MASTER/MONITOR/BSS modes
and for the channel, essid and wap get/set wireless extension requests.
so that the driver has only to change channel when the ieee stack tell it.
- Optionally provide a scanning mechanism so that the driver has not to
worry about this, just implement the set channel calback and pass
frames to the upper layer
- Optionally provide the bss client protocol handshaking (just with open
authentication)
- Optionally provide the probe request send mechanism
- Optionally provide the bss master mode logic to handle association
protocol (only open authentication) and probe responses.
- SW wep encryption (with open authentication)
- It collects some stats
- It provides beacons to the card when it ask for them
What this layer doesn't do (yet)
- Perform shared authentication
- Have full support for master mode (the AP should loop back in the air
frames from an associated client to another. This could be done easily
with few lines of code, and it is done in my previous version of the
stach, but a table of association must be keept and a disassociation
policy must be decided and implemented.
- Handle cleanly the full ieee 802.11 protocol. In AP mode it never
disassociate clients, and it is really prone to always allow access.
In bss client mode it is a bit rough with AP deauth and disassoc requests.
- It has not any entry point to view the collected stats.
- Although it takes care of the card supported rates in the management frame
it sends, support for rate changing on TXed packet is not complete.
- Give up once associated in bss client mode (it never detect a
signal loss condition to disassociate and restart scanning)
- Provide a mechanism for enabling the TX in monitor mode, so
userspace programs can TX raw packets.
- Provide a mechanism for cards that need that the SW take care of beacon
TX completely, in sense that the SW has to enqueue by itself beacons
to the card so it TX them (if any...)
APIs
Callback functions in the original stack has been mantained.
following has been added (from ieee80211.h)
/* Softmac-generated frames (mamagement) are TXed via this
* callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is
* not set. As some cards may have different HW queues that
* one might want to use for data and management frames
* the option to have two callbacks might be useful.
* This fucntion can't sleep.
*/
int (*softmac_hard_start_xmit)(struct sk_buff *skb,
struct net_device *dev);
/* used instead of hard_start_xmit (not softmac_hard_start_xmit)
* if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data
* frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set
* then also management frames are sent via this callback.
* This function can't sleep.
*/
void (*softmac_data_hard_start_xmit)(struct sk_buff *skb,
struct net_device *dev);
/* stops the HW queue for DATA frames. Useful to avoid
* waste time to TX data frame when we are reassociating
* This function can sleep.
*/
void (*data_hard_stop)(struct net_device *dev);
/* OK this is complementar to data_poll_hard_stop */
void (*data_hard_resume)(struct net_device *dev);
/* ask to the driver to retune the radio .
* This function can sleep. the driver should ensure
* the radio has been swithced before return.
*/
void (*set_chan)(struct net_device *dev,short ch);
/* These are not used if the ieee stack takes care of
* scanning (IEEE_SOFTMAC_SCAN feature set).
* In this case only the set_chan is used.
*
* The syncro version is similar to the start_scan but
* does not return until all channels has been scanned.
* this is called in user context and should sleep,
* it is called in a work_queue when swithcing to ad-hoc mode
* or in behalf of iwlist scan when the card is associated
* and root user ask for a scan.
* the fucntion stop_scan should stop both the syncro and
* background scanning and can sleep.
* The fucntion start_scan should initiate the background
* scanning and can't sleep.
*/
void (*scan_syncro)(struct net_device *dev);
void (*start_scan)(struct net_device *dev);
void (*stop_scan)(struct net_device *dev);
/* indicate the driver that the link state is changed
* for example it may indicate the card is associated now.
* Driver might be interested in this to apply RX filter
* rules or simply light the LINK led
*/
void (*link_change)(struct net_device *dev);
Functions hard_data_[resume/stop] are optional and should not be used
if the driver decides to uses data+management frames enqueue in a
single HQ queue (thus using just the softmac_hard_data_start_xmit
callback).
Function that the driver can use are:
ieee80211_get_beacon - this is called by the driver when
the HW needs a beacon.
ieee80211_softmac_start_protocol - this should normally be called in the
driver open function
ieee80211_softmac_stop_protocol - the opposite of the above
ieee80211_wake_queue - this is similar to netif_wake_queue
ieee80211_reset_queue - this throw away fragments pending(if any)
ieee80211_stop_queue - this is similar to netif_stop_queue
known BUGS:
- When performing syncro scan (possiblily when swithcing to ad-hoc mode
and when running iwlist scan when associated) there is still an odd
behaviour.. I have not looked in this more accurately (yet).
locking:
locking is done by means of three structures.
1- ieee->lock (by means of spin_[un]lock_irq[save/restore]
2- ieee->wx_sem
3- ieee->scan_sem
the lock 1 is what protect most of the critical sections in the ieee stack.
the lock 2 is used to avoid that more than one of the SET wireless extension
handlers (as well as start/stop protocol function) are running at the same time.
the lock 1 is used when we need to modify or read the shared data in the wx handlers.
In other words the lock 2 will prevent one SET action will run across another SET
action (by make sleep the 2nd one) but allow GET actions, while the lock 1
make atomic those little shared data access in both GET and SET operation.
So get operation will be never be delayed really: they will never sleep..
Furthermore in the top of some SET operations a flag is set before acquiring
the lock. This is an help to make the previous running SET operation to
finish faster if needed (just in case the second one will totally undo the
first, so there is not need to complete the 1st really.. ).
The background scanning mechaninsm is protected by the lock 1 except for the
workqueue. this wq is here just to let the set_chan callback sleep (I thinked it
might be appreciated by USB network card driver developer). In this case the lock 3
take its turn.
Thus the stop function needs both the locks.
Funny in the syncro scan the lock 2 play its role (as both the syncro_scan
function and the stop scan function are called with this semaphore held).
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* 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>
******************************************************************************/
#ifndef _BATYPE_H_
#define _BATYPE_H_
#define TOTAL_TXBA_NUM 16
#define TOTAL_RXBA_NUM 16
#define BA_SETUP_TIMEOUT 200
#define BA_INACT_TIMEOUT 60000
#define BA_POLICY_DELAYED 0
#define BA_POLICY_IMMEDIATE 1
#define ADDBA_STATUS_SUCCESS 0
#define ADDBA_STATUS_REFUSED 37
#define ADDBA_STATUS_INVALID_PARAM 38
#define DELBA_REASON_QSTA_LEAVING 36
#define DELBA_REASON_END_BA 37
#define DELBA_REASON_UNKNOWN_BA 38
#define DELBA_REASON_TIMEOUT 39
typedef union _SEQUENCE_CONTROL{
u16 ShortData;
struct
{
u16 FragNum:4;
u16 SeqNum:12;
}field;
}SEQUENCE_CONTROL, *PSEQUENCE_CONTROL;
typedef union _BA_PARAM_SET {
u8 charData[2];
u16 shortData;
struct {
u16 AMSDU_Support:1;
u16 BAPolicy:1;
u16 TID:4;
u16 BufferSize:10;
} field;
} BA_PARAM_SET, *PBA_PARAM_SET;
typedef union _DELBA_PARAM_SET {
u8 charData[2];
u16 shortData;
struct {
u16 Reserved:11;
u16 Initiator:1;
u16 TID:4;
} field;
} DELBA_PARAM_SET, *PDELBA_PARAM_SET;
typedef struct _BA_RECORD {
struct timer_list Timer;
u8 bValid;
u8 DialogToken;
BA_PARAM_SET BaParamSet;
u16 BaTimeoutValue;
SEQUENCE_CONTROL BaStartSeqCtrl;
} BA_RECORD, *PBA_RECORD;
#endif
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/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* 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>
******************************************************************************/
#ifndef _TSTYPE_H_
#define _TSTYPE_H_
#include "rtl819x_Qos.h"
#define TS_SETUP_TIMEOUT 60 // In millisecond
#define TS_INACT_TIMEOUT 60
#define TS_ADDBA_DELAY 60
#define TOTAL_TS_NUM 16
#define TCLAS_NUM 4
// This define the Tx/Rx directions
typedef enum _TR_SELECT {
TX_DIR = 0,
RX_DIR = 1,
} TR_SELECT, *PTR_SELECT;
typedef struct _TS_COMMON_INFO{
struct list_head List;
struct timer_list SetupTimer;
struct timer_list InactTimer;
u8 Addr[6];
TSPEC_BODY TSpec;
QOS_TCLAS TClass[TCLAS_NUM];
u8 TClasProc;
u8 TClasNum;
} TS_COMMON_INFO, *PTS_COMMON_INFO;
typedef struct _TX_TS_RECORD{
TS_COMMON_INFO TsCommonInfo;
u16 TxCurSeq;
BA_RECORD TxPendingBARecord; // For BA Originator
BA_RECORD TxAdmittedBARecord; // For BA Originator
u8 bAddBaReqInProgress;
u8 bAddBaReqDelayed;
u8 bUsingBa;
u8 bDisable_AddBa;
struct timer_list TsAddBaTimer;
u8 num;
} TX_TS_RECORD, *PTX_TS_RECORD;
typedef struct _RX_TS_RECORD {
TS_COMMON_INFO TsCommonInfo;
u16 RxIndicateSeq;
u16 RxTimeoutIndicateSeq;
struct list_head RxPendingPktList;
struct timer_list RxPktPendingTimer;
BA_RECORD RxAdmittedBARecord; // For BA Recepient
u16 RxLastSeqNum;
u8 RxLastFragNum;
u8 num;
} RX_TS_RECORD, *PRX_TS_RECORD;
#endif
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/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* 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>
******************************************************************************/
#ifndef __INC_HAL8192SU_FW_IMG_H
#define __INC_HAL8192SU_FW_IMG_H
#include <linux/types.h>
/*Created on 2009/ 3/ 6, 5:29*/
#define MainArrayLength 1
extern u8 Rtl8192SUFwMainArray[MainArrayLength];
#define DataArrayLength 1
extern u8 Rtl8192SUFwDataArray[DataArrayLength];
#define PHY_REG_2T2RArrayLength 372
extern u32 Rtl8192SUPHY_REG_2T2RArray[PHY_REG_2T2RArrayLength];
#define PHY_REG_1T2RArrayLength 1
extern u32 Rtl8192SUPHY_REG_1T2RArray[PHY_REG_1T2RArrayLength];
#define PHY_ChangeTo_1T1RArrayLength 48
extern u32 Rtl8192SUPHY_ChangeTo_1T1RArray[PHY_ChangeTo_1T1RArrayLength];
#define PHY_ChangeTo_1T2RArrayLength 45
extern u32 Rtl8192SUPHY_ChangeTo_1T2RArray[PHY_ChangeTo_1T2RArrayLength];
#define PHY_ChangeTo_2T2RArrayLength 45
extern u32 Rtl8192SUPHY_ChangeTo_2T2RArray[PHY_ChangeTo_2T2RArrayLength];
#define PHY_REG_Array_PGLength 84
extern u32 Rtl8192SUPHY_REG_Array_PG[PHY_REG_Array_PGLength];
#define RadioA_1T_ArrayLength 202
extern u32 Rtl8192SURadioA_1T_Array[RadioA_1T_ArrayLength];
#define RadioB_ArrayLength 22
extern u32 Rtl8192SURadioB_Array[RadioB_ArrayLength];
#define RadioA_to1T_ArrayLength 2
extern u32 Rtl8192SURadioA_to1T_Array[RadioA_to1T_ArrayLength];
#define RadioA_to2T_ArrayLength 2
extern u32 Rtl8192SURadioA_to2T_Array[RadioA_to2T_ArrayLength];
#define RadioB_GM_ArrayLength 16
extern u32 Rtl8192SURadioB_GM_Array[RadioB_GM_ArrayLength];
#define MAC_2T_ArrayLength 106
extern u32 Rtl8192SUMAC_2T_Array[MAC_2T_ArrayLength];
#define MACPHY_Array_PGLength 1
extern u32 Rtl8192SUMACPHY_Array_PG[MACPHY_Array_PGLength];
#define AGCTAB_ArrayLength 320
extern u32 Rtl8192SUAGCTAB_Array[AGCTAB_ArrayLength];
#endif
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/*
This is part of the rtl8180-sa2400 driver
released under the GPL (See file COPYING for details).
Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
This files contains programming code for the rtl8256
radio frontend.
*Many* thanks to Realtek Corp. for their great support!
*/
#ifndef RTL8225H
#define RTL8225H
#ifdef RTL8190P
#define RTL819X_TOTAL_RF_PATH 4 //for 90P
#else
#define RTL819X_TOTAL_RF_PATH 2 //for 8192U
#endif
extern void PHY_SetRF0222DBandwidth(struct net_device* dev , HT_CHANNEL_WIDTH Bandwidth); //20M or 40M;
extern void PHY_SetRF8225Bandwidth( struct net_device* dev , HT_CHANNEL_WIDTH Bandwidth);
extern bool PHY_RF8225_Config(struct net_device* dev );
extern void phy_RF8225_Config_HardCode(struct net_device* dev);
extern bool phy_RF8225_Config_ParaFile(struct net_device* dev);
extern void PHY_SetRF8225CckTxPower(struct net_device* dev ,u8 powerlevel);
extern void PHY_SetRF8225OfdmTxPower(struct net_device* dev ,u8 powerlevel);
extern void PHY_SetRF0222DOfdmTxPower(struct net_device* dev ,u8 powerlevel);
extern void PHY_SetRF0222DCckTxPower(struct net_device* dev ,u8 powerlevel);
#endif
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/*
Power management interface routines.
Written by Mariusz Matuszek.
This code is currently just a placeholder for later work and
does not do anything useful.
This is part of rtl8180 OpenSource driver.
Copyright (C) Andrea Merello 2004 <andreamrl@tiscali.it>
Released under the terms of GPL (General Public Licence)
*/
#ifndef R8192_PM_H
#define R8192_PM_H
#include <linux/types.h>
#include <linux/usb.h>
int rtl8192U_save_tate (struct pci_dev *dev, u32 state);
int rtl8192U_suspend(struct usb_interface *intf, pm_message_t state);
int rtl8192U_resume (struct usb_interface *intf);
int rtl8192U_enable_wake (struct pci_dev *dev, u32 state, int enable);
#endif //R8192U_PM_H
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