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path: root/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
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Diffstat (limited to 'drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c')
-rw-r--r--drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c315
1 files changed, 158 insertions, 157 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index d1471877e19d..c2388812d4fd 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -62,7 +62,7 @@ static void ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
- if (ieee->modulation & IEEE80211_CCK_MODULATION){
+ if (ieee->modulation & IEEE80211_CCK_MODULATION) {
*tag++ = MFIE_TYPE_RATES;
*tag++ = 4;
*tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
@@ -79,7 +79,7 @@ static void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
- if (ieee->modulation & IEEE80211_OFDM_MODULATION){
+ if (ieee->modulation & IEEE80211_OFDM_MODULATION) {
*tag++ = MFIE_TYPE_RATES_EX;
*tag++ = 8;
@@ -192,7 +192,7 @@ static u8 MgntQuery_MgntFrameTxRate(struct ieee80211_device *ieee)
else
rate = ieee->basic_rate & 0x7f;
- if(rate == 0){
+ if (rate == 0) {
// 2005.01.26, by rcnjko.
if(ieee->mode == IEEE_A||
ieee->mode== IEEE_N_5G||
@@ -369,7 +369,7 @@ static void ieee80211_send_beacon(struct ieee80211_device *ieee)
//unsigned long flags;
skb = ieee80211_get_beacon_(ieee);
- if (skb){
+ if (skb) {
softmac_mgmt_xmit(skb, ieee);
ieee->softmac_stats.tx_beacons++;
//dev_kfree_skb_any(skb);//edit by thomas
@@ -378,7 +378,7 @@ static void ieee80211_send_beacon(struct ieee80211_device *ieee)
// (MSECS( ieee->current_network.beacon_interval -5));
//spin_lock_irqsave(&ieee->beacon_lock,flags);
- if(ieee->beacon_txing && ieee->ieee_up){
+ if (ieee->beacon_txing && ieee->ieee_up) {
// if(!timer_pending(&ieee->beacon_timer))
// add_timer(&ieee->beacon_timer);
mod_timer(&ieee->beacon_timer,jiffies+(MSECS(ieee->current_network.beacon_interval-5)));
@@ -404,7 +404,7 @@ static void ieee80211_send_probe(struct ieee80211_device *ieee)
struct sk_buff *skb;
skb = ieee80211_probe_req(ieee);
- if (skb){
+ if (skb) {
softmac_mgmt_xmit(skb, ieee);
ieee->softmac_stats.tx_probe_rq++;
//dev_kfree_skb_any(skb);//edit by thomas
@@ -413,7 +413,7 @@ static void ieee80211_send_probe(struct ieee80211_device *ieee)
static void ieee80211_send_probe_requests(struct ieee80211_device *ieee)
{
- if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)){
+ if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)) {
ieee80211_send_probe(ieee);
ieee80211_send_probe(ieee);
}
@@ -587,7 +587,7 @@ static void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee)
down(&ieee->scan_sem);
// spin_lock_irqsave(&ieee->lock, flags);
- if (ieee->scanning == 1){
+ if (ieee->scanning == 1) {
ieee->scanning = 0;
cancel_delayed_work(&ieee->softmac_scan_wq);
@@ -609,15 +609,15 @@ EXPORT_SYMBOL(ieee80211_stop_scan);
/* called with ieee->lock held */
static void ieee80211_start_scan(struct ieee80211_device *ieee)
{
- if(IS_DOT11D_ENABLE(ieee) )
+ if (IS_DOT11D_ENABLE(ieee) )
{
- if(IS_COUNTRY_IE_VALID(ieee))
+ if (IS_COUNTRY_IE_VALID(ieee))
{
RESET_CIE_WATCHDOG(ieee);
}
}
if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){
- if (ieee->scanning == 0){
+ if (ieee->scanning == 0) {
ieee->scanning = 1;
queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, 0);
}
@@ -629,9 +629,9 @@ static void ieee80211_start_scan(struct ieee80211_device *ieee)
/* called with wx_sem held */
void ieee80211_start_scan_syncro(struct ieee80211_device *ieee)
{
- if(IS_DOT11D_ENABLE(ieee) )
+ if (IS_DOT11D_ENABLE(ieee) )
{
- if(IS_COUNTRY_IE_VALID(ieee))
+ if (IS_COUNTRY_IE_VALID(ieee))
{
RESET_CIE_WATCHDOG(ieee);
}
@@ -739,7 +739,7 @@ static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *d
HTConstructInfoElement(ieee,tmp_ht_info_buf,&tmp_ht_info_len, encrypt);
- if(pHTInfo->bRegRT2RTAggregation)
+ if (pHTInfo->bRegRT2RTAggregation)
{
tmp_generic_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
tmp_generic_ie_len = sizeof(ieee->pHTInfo->szRT2RTAggBuffer);
@@ -803,7 +803,7 @@ static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *d
*(tag++) = 1;
*(tag++) = ieee->current_network.channel;
- if(atim_len){
+ if (atim_len) {
*(tag++) = MFIE_TYPE_IBSS_SET;
*(tag++) = 2;
@@ -812,12 +812,12 @@ static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *d
tag+=2;
}
- if(erp_len){
+ if (erp_len) {
*(tag++) = MFIE_TYPE_ERP;
*(tag++) = 1;
*(tag++) = erpinfo_content;
}
- if(rate_ex_len){
+ if (rate_ex_len) {
*(tag++) = MFIE_TYPE_RATES_EX;
*(tag++) = rate_ex_len-2;
memcpy(tag, ieee->current_network.rates_ex, rate_ex_len-2);
@@ -877,7 +877,7 @@ static struct sk_buff *ieee80211_assoc_resp(struct ieee80211_device *ieee,
crypt = ieee->crypt[ieee->tx_keyidx];
else crypt = NULL;
- encrypt = (crypt && crypt->ops);
+ encrypt = crypt && crypt->ops;
if (encrypt)
assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
@@ -1016,12 +1016,12 @@ inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beaco
encrypt = ieee->host_encrypt && crypt && crypt->ops && ((0 == strcmp(crypt->ops->name,"WEP") || wpa_ie_len));
//Include High Throuput capability && Realtek proprietary
- if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT)
+ if (ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT)
{
ht_cap_buf = (u8 *)&(ieee->pHTInfo->SelfHTCap);
ht_cap_len = sizeof(ieee->pHTInfo->SelfHTCap);
HTConstructCapabilityElement(ieee, ht_cap_buf, &ht_cap_len, encrypt);
- if(ieee->pHTInfo->bCurrentRT2RTAggregation)
+ if (ieee->pHTInfo->bCurrentRT2RTAggregation)
{
realtek_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
realtek_ie_len = sizeof( ieee->pHTInfo->szRT2RTAggBuffer);
@@ -1029,16 +1029,16 @@ inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beaco
}
}
- if(ieee->qos_support){
+ if (ieee->qos_support) {
wmm_info_len = beacon->qos_data.supported?9:0;
}
- if(beacon->bCkipSupported)
+ if (beacon->bCkipSupported)
{
ckip_ie_len = 30+2;
}
- if(beacon->bCcxRmEnable)
+ if (beacon->bCcxRmEnable)
{
ccxrm_ie_len = 6+2;
}
@@ -1141,7 +1141,7 @@ inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beaco
tag += osCcxAironetIE.Length;
}
- if(beacon->bCcxRmEnable)
+ if (beacon->bCcxRmEnable)
{
static u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01, 0x00};
OCTET_STRING osCcxRmCap;
@@ -1168,8 +1168,8 @@ inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beaco
tag += osCcxVerNum.Length;
}
//HT cap element
- if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT){
- if(ieee->pHTInfo->ePeerHTSpecVer != HT_SPEC_VER_EWC)
+ if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
+ if (ieee->pHTInfo->ePeerHTSpecVer != HT_SPEC_VER_EWC)
{
tag = skb_put(skb, ht_cap_len);
*tag++ = MFIE_TYPE_HT_CAP;
@@ -1182,22 +1182,22 @@ inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beaco
//choose what wpa_supplicant gives to associate.
tag = skb_put(skb, wpa_ie_len);
- if (wpa_ie_len){
+ if (wpa_ie_len) {
memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
}
tag = skb_put(skb, wmm_info_len);
- if(wmm_info_len) {
+ if (wmm_info_len) {
ieee80211_WMM_Info(ieee, &tag);
}
#ifdef THOMAS_TURBO
tag = skb_put(skb, turbo_info_len);
- if(turbo_info_len) {
+ if (turbo_info_len) {
ieee80211_TURBO_Info(ieee, &tag);
}
#endif
- if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT){
+ if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
if(ieee->pHTInfo->ePeerHTSpecVer == HT_SPEC_VER_EWC)
{
tag = skb_put(skb, ht_cap_len);
@@ -1207,7 +1207,7 @@ inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beaco
tag += ht_cap_len -2;
}
- if(ieee->pHTInfo->bCurrentRT2RTAggregation){
+ if (ieee->pHTInfo->bCurrentRT2RTAggregation) {
tag = skb_put(skb, realtek_ie_len);
*tag++ = MFIE_TYPE_GENERIC;
*tag++ = realtek_ie_len - 2;
@@ -1273,7 +1273,7 @@ static void ieee80211_associate_step1(struct ieee80211_device *ieee)
//printk(KERN_WARNING "Sending authentication request\n");
softmac_mgmt_xmit(skb, ieee);
//BUGON when you try to add_timer twice, using mod_timer may be better, john0709
- if(!timer_pending(&ieee->associate_timer)){
+ if (!timer_pending(&ieee->associate_timer)) {
ieee->associate_timer.expires = jiffies + (HZ / 2);
add_timer(&ieee->associate_timer);
}
@@ -1358,7 +1358,7 @@ static void ieee80211_associate_complete_wq(struct work_struct *work)
}
ieee->LinkDetectInfo.SlotNum = 2 * (1 + ieee->current_network.beacon_interval/500);
// To prevent the immediately calling watch_dog after association.
- if(ieee->LinkDetectInfo.NumRecvBcnInPeriod==0||ieee->LinkDetectInfo.NumRecvDataInPeriod==0 )
+ if (ieee->LinkDetectInfo.NumRecvBcnInPeriod==0||ieee->LinkDetectInfo.NumRecvDataInPeriod==0 )
{
ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
ieee->LinkDetectInfo.NumRecvDataInPeriod= 1;
@@ -1371,7 +1371,7 @@ static void ieee80211_associate_complete_wq(struct work_struct *work)
else if(ieee->is_silent_reset == 1)
{
printk("==================>silent reset associate\n");
- ieee->is_silent_reset = 0;
+ ieee->is_silent_reset = false;
}
if (ieee->data_hard_resume)
@@ -1430,7 +1430,7 @@ inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee
return;
- if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC){
+ if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
/* if the user specified the AP MAC, we need also the essid
* This could be obtained by beacons or, if the network does not
* broadcast it, it can be put manually.
@@ -1458,13 +1458,13 @@ inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee
/* if the essid is hidden replace it with the
* essid provided by the user.
*/
- if (!ssidbroad){
+ if (!ssidbroad) {
strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
tmp_ssid_len = ieee->current_network.ssid_len;
}
memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network));
- if (!ssidbroad){
+ if (!ssidbroad) {
strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
ieee->current_network.ssid_len = tmp_ssid_len;
}
@@ -1541,16 +1541,16 @@ static inline u16 auth_parse(struct sk_buff *skb, u8 **challenge, int *chlen)
{
struct ieee80211_authentication *a;
u8 *t;
- if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
+ if (skb->len < (sizeof(struct ieee80211_authentication) - sizeof(struct ieee80211_info_element))) {
IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n",skb->len);
return 0xcafe;
}
*challenge = NULL;
a = (struct ieee80211_authentication *) skb->data;
- if(skb->len > (sizeof(struct ieee80211_authentication) +3)){
+ if (skb->len > (sizeof(struct ieee80211_authentication) + 3)) {
t = skb->data + sizeof(struct ieee80211_authentication);
- if(*(t++) == MFIE_TYPE_CHALLENGE){
+ if (*(t++) == MFIE_TYPE_CHALLENGE) {
*chlen = *(t++);
*challenge = kmemdup(t, *chlen, GFP_ATOMIC);
if (!*challenge)
@@ -1567,7 +1567,7 @@ static int auth_rq_parse(struct sk_buff *skb, u8 *dest)
{
struct ieee80211_authentication *a;
- if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
+ if (skb->len < (sizeof(struct ieee80211_authentication) - sizeof(struct ieee80211_info_element))) {
IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len);
return -1;
}
@@ -1601,7 +1601,7 @@ static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb,
tag = skb->data + sizeof (struct ieee80211_hdr_3addr );
while (tag+1 < skbend){
- if (*tag == 0){
+ if (*tag == 0) {
ssid = tag+2;
ssidlen = *(tag+1);
break;
@@ -1642,7 +1642,7 @@ static inline u16 assoc_parse(struct ieee80211_device *ieee, struct sk_buff *skb
struct ieee80211_assoc_response_frame *response_head;
u16 status_code;
- if (skb->len < sizeof(struct ieee80211_assoc_response_frame)){
+ if (skb->len < sizeof(struct ieee80211_assoc_response_frame)) {
IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
return 0xcafe;
}
@@ -1672,7 +1672,7 @@ ieee80211_rx_probe_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
//IEEE80211DMESG("Rx probe");
ieee->softmac_stats.rx_probe_rq++;
//DMESG("Dest is "MACSTR, MAC2STR(dest));
- if (probe_rq_parse(ieee, skb, dest)){
+ if (probe_rq_parse(ieee, skb, dest)) {
//IEEE80211DMESG("Was for me!");
ieee->softmac_stats.tx_probe_rs++;
ieee80211_resp_to_probe(ieee, dest);
@@ -1703,7 +1703,7 @@ ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
//unsigned long flags;
ieee->softmac_stats.rx_ass_rq++;
- if (assoc_rq_parse(skb,dest) != -1){
+ if (assoc_rq_parse(skb, dest) != -1) {
ieee80211_resp_to_assoc_rq(ieee, dest);
}
@@ -1755,13 +1755,13 @@ static short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h,
(ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
return 0;
- if(time_l){
+ if (time_l) {
*time_l = ieee->current_network.last_dtim_sta_time[0]
+ (ieee->current_network.beacon_interval
* ieee->current_network.dtim_period) * 1000;
}
- if(time_h){
+ if (time_h) {
*time_h = ieee->current_network.last_dtim_sta_time[1];
if(time_l && *time_l < ieee->current_network.last_dtim_sta_time[0])
*time_h += 1;
@@ -1782,7 +1782,7 @@ static inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
spin_lock_irqsave(&ieee->lock, flags);
- if((ieee->ps == IEEE80211_PS_DISABLED ||
+ if ((ieee->ps == IEEE80211_PS_DISABLED ||
ieee->iw_mode != IW_MODE_INFRA ||
ieee->state != IEEE80211_LINKED)){
@@ -1841,8 +1841,8 @@ out:
void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
{
- if(ieee->sta_sleep == 0){
- if(nl){
+ if (ieee->sta_sleep == 0) {
+ if (nl) {
printk("Warning: driver is probably failing to report TX ps error\n");
ieee->ps_request_tx_ack(ieee->dev);
ieee80211_sta_ps_send_null_frame(ieee, 0);
@@ -1856,7 +1856,7 @@ void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
ieee->sta_sleep = 0;
- if(nl){
+ if (nl) {
ieee->ps_request_tx_ack(ieee->dev);
ieee80211_sta_ps_send_null_frame(ieee, 0);
}
@@ -1870,7 +1870,7 @@ void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
if(ieee->sta_sleep == 2){
/* Null frame with PS bit set */
- if(success){
+ if (success) {
ieee->sta_sleep = 1;
ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl);
}
@@ -1881,7 +1881,7 @@ void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
/* 21112005 - tx again null without PS bit if lost */
else {
- if((ieee->sta_sleep == 0) && !success){
+ if ((ieee->sta_sleep == 0) && !success) {
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
ieee80211_sta_ps_send_null_frame(ieee, 0);
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
@@ -1920,6 +1920,66 @@ static void ieee80211_process_action(struct ieee80211_device *ieee,
return;
}
+
+static void ieee80211_check_auth_response(struct ieee80211_device *ieee,
+ struct sk_buff *skb)
+{
+ /* default support N mode, disable halfNmode */
+ bool bSupportNmode = true, bHalfSupportNmode = false;
+ u16 errcode;
+ u8 *challenge;
+ int chlen = 0;
+ u32 iotAction;
+
+ errcode = auth_parse(skb, &challenge, &chlen);
+ if (!errcode) {
+ if (ieee->open_wep || !challenge) {
+ ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED;
+ ieee->softmac_stats.rx_auth_rs_ok++;
+ iotAction = ieee->pHTInfo->IOTAction;
+ if (!(iotAction & HT_IOT_ACT_PURE_N_MODE)) {
+ if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) {
+ /* WEP or TKIP encryption */
+ if (IsHTHalfNmodeAPs(ieee)) {
+ bSupportNmode = true;
+ bHalfSupportNmode = true;
+ } else {
+ bSupportNmode = false;
+ bHalfSupportNmode = false;
+ }
+ netdev_dbg(ieee->dev, "SEC(%d, %d)\n",
+ bSupportNmode,
+ bHalfSupportNmode);
+ }
+ }
+ /* Dummy wirless mode setting- avoid encryption issue */
+ if (bSupportNmode) {
+ /* N mode setting */
+ ieee->SetWirelessMode(ieee->dev,
+ ieee->current_network.mode);
+ } else {
+ /* b/g mode setting - TODO */
+ ieee->SetWirelessMode(ieee->dev, IEEE_G);
+ }
+
+ if (ieee->current_network.mode == IEEE_N_24G &&
+ bHalfSupportNmode == true) {
+ netdev_dbg(ieee->dev, "enter half N mode\n");
+ ieee->bHalfWirelessN24GMode = true;
+ } else
+ ieee->bHalfWirelessN24GMode = false;
+
+ ieee80211_associate_step2(ieee);
+ } else {
+ ieee80211_auth_challenge(ieee, challenge, chlen);
+ }
+ } else {
+ ieee->softmac_stats.rx_auth_rs_err++;
+ IEEE80211_DEBUG_MGMT("Auth response status code 0x%x", errcode);
+ ieee80211_associate_abort(ieee);
+ }
+}
+
inline int
ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
struct ieee80211_rx_stats *rx_stats, u16 type,
@@ -1927,12 +1987,9 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
{
struct ieee80211_hdr_3addr *header = (struct ieee80211_hdr_3addr *) skb->data;
u16 errcode;
- u8 *challenge;
- int chlen=0;
int aid;
struct ieee80211_assoc_response_frame *assoc_resp;
// struct ieee80211_info_element *info_element;
- bool bSupportNmode = true, bHalfSupportNmode = false; //default support N mode, disable halfNmode
if(!ieee->proto_started)
return 0;
@@ -1967,7 +2024,7 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
ieee->softmac_stats.rx_ass_ok++;
/* station support qos */
/* Let the register setting defaultly with Legacy station */
- if(ieee->qos_support) {
+ if (ieee->qos_support) {
assoc_resp = (struct ieee80211_assoc_response_frame *)skb->data;
memset(network, 0, sizeof(*network));
if (ieee80211_parse_info_param(ieee,assoc_resp->info_element,\
@@ -2013,68 +2070,16 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
case IEEE80211_STYPE_AUTH:
- if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){
- if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING &&
- ieee->iw_mode == IW_MODE_INFRA){
+ if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) {
+ if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING
+ && ieee->iw_mode == IW_MODE_INFRA) {
- IEEE80211_DEBUG_MGMT("Received authentication response");
-
- errcode = auth_parse(skb, &challenge, &chlen);
- if (!errcode) {
- if(ieee->open_wep || !challenge){
- ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED;
- ieee->softmac_stats.rx_auth_rs_ok++;
- if(!(ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE))
- {
- if (!ieee->GetNmodeSupportBySecCfg(ieee->dev))
- {
- // WEP or TKIP encryption
- if(IsHTHalfNmodeAPs(ieee))
- {
- bSupportNmode = true;
- bHalfSupportNmode = true;
- }
- else
- {
- bSupportNmode = false;
- bHalfSupportNmode = false;
- }
- printk("==========>to link with AP using SEC(%d, %d)", bSupportNmode, bHalfSupportNmode);
- }
- }
- /* Dummy wirless mode setting to avoid encryption issue */
- if(bSupportNmode) {
- //N mode setting
- ieee->SetWirelessMode(ieee->dev, \
- ieee->current_network.mode);
- }else{
- //b/g mode setting
- /*TODO*/
- ieee->SetWirelessMode(ieee->dev, IEEE_G);
- }
-
- if (ieee->current_network.mode == IEEE_N_24G && bHalfSupportNmode == true)
- {
- printk("===============>entern half N mode\n");
- ieee->bHalfWirelessN24GMode = true;
- }
- else
- ieee->bHalfWirelessN24GMode = false;
-
- ieee80211_associate_step2(ieee);
- }else{
- ieee80211_auth_challenge(ieee, challenge, chlen);
- }
- }else{
- ieee->softmac_stats.rx_auth_rs_err++;
- IEEE80211_DEBUG_MGMT("Authentication response status code 0x%x",errcode);
- ieee80211_associate_abort(ieee);
- }
-
- }else if (ieee->iw_mode == IW_MODE_MASTER){
- ieee80211_rx_auth_rq(ieee, skb);
- }
+ IEEE80211_DEBUG_MGMT("Received auth response");
+ ieee80211_check_auth_response(ieee, skb);
+ } else if (ieee->iw_mode == IW_MODE_MASTER) {
+ ieee80211_rx_auth_rq(ieee, skb);
}
+ }
break;
case IEEE80211_STYPE_PROBE_REQ:
@@ -2110,27 +2115,26 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
break;
default:
return -1;
- break;
}
//dev_kfree_skb_any(skb);
return 0;
}
-/* following are for a simpler TX queue management.
- * Instead of using netif_[stop/wake]_queue the driver
- * will uses these two function (plus a reset one), that
- * will internally uses the kernel netif_* and takes
- * care of the ieee802.11 fragmentation.
- * So the driver receives a fragment per time and might
- * call the stop function when it want without take care
- * to have enought room to TX an entire packet.
- * This might be useful if each fragment need it's own
- * descriptor, thus just keep a total free memory > than
- * the max fragmentation treshold is not enought.. If the
- * ieee802.11 stack passed a TXB struct then you needed
+/* The following are for a simpler TX queue management.
+ * Instead of using netif_[stop/wake]_queue, the driver
+ * will use these two functions (plus a reset one) that
+ * will internally call the kernel netif_* and take care
+ * of the ieee802.11 fragmentation.
+ * So, the driver receives a fragment at a time and might
+ * call the stop function when it wants, without taking
+ * care to have enough room to TX an entire packet.
+ * This might be useful if each fragment needs its own
+ * descriptor. Thus, just keeping a total free memory > than
+ * the max fragmentation threshold is not enough. If the
+ * ieee802.11 stack passed a TXB struct, then you would need
* to keep N free descriptors where
- * N = MAX_PACKET_SIZE / MIN_FRAG_TRESHOLD
+ * N = MAX_PACKET_SIZE / MIN_FRAG_THRESHOLD.
* In this way you need just one and the 802.11 stack
* will take care of buffering fragments and pass them to
* to the driver later, when it wakes the queue.
@@ -2152,7 +2156,7 @@ void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *
ieee->stats.tx_bytes += txb->payload_size;
ieee->stats.tx_packets++;
tcb_desc = (cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE);
- if(tcb_desc->bMulticast) {
+ if (tcb_desc->bMulticast) {
ieee->stats.multicast++;
}
/* if xmit available, just xmit it immediately, else just insert it to the wait queue */
@@ -2224,7 +2228,7 @@ void ieee80211_reset_queue(struct ieee80211_device *ieee)
spin_lock_irqsave(&ieee->lock, flags);
init_mgmt_queue(ieee);
- if (ieee->tx_pending.txb){
+ if (ieee->tx_pending.txb) {
ieee80211_txb_free(ieee->tx_pending.txb);
ieee->tx_pending.txb = NULL;
}
@@ -2246,7 +2250,7 @@ void ieee80211_wake_queue(struct ieee80211_device *ieee)
ieee->queue_stop = 0;
- if(ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE){
+ if (ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE) {
while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))){
header = (struct ieee80211_hdr_3addr *) skb->data;
@@ -2265,7 +2269,7 @@ void ieee80211_wake_queue(struct ieee80211_device *ieee)
if (!ieee->queue_stop && ieee->tx_pending.txb)
ieee80211_resume_tx(ieee);
- if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)){
+ if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)) {
ieee->softmac_stats.swtxawake++;
netif_wake_queue(ieee->dev);
}
@@ -2280,7 +2284,7 @@ void ieee80211_stop_queue(struct ieee80211_device *ieee)
//unsigned long flags;
//spin_lock_irqsave(&ieee->lock,flags);
- if (! netif_queue_stopped(ieee->dev)){
+ if (!netif_queue_stopped(ieee->dev)) {
netif_stop_queue(ieee->dev);
ieee->softmac_stats.swtxstop++;
}
@@ -2301,7 +2305,7 @@ void ieee80211_start_master_bss(struct ieee80211_device *ieee)
{
ieee->assoc_id = 1;
- if (ieee->current_network.ssid_len == 0){
+ if (ieee->current_network.ssid_len == 0) {
strncpy(ieee->current_network.ssid,
IEEE80211_DEFAULT_TX_ESSID,
IW_ESSID_MAX_SIZE);
@@ -2325,7 +2329,7 @@ void ieee80211_start_master_bss(struct ieee80211_device *ieee)
static void ieee80211_start_monitor_mode(struct ieee80211_device *ieee)
{
- if(ieee->raw_tx){
+ if (ieee->raw_tx) {
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
@@ -2345,13 +2349,13 @@ static void ieee80211_start_ibss_wq(struct work_struct *work)
* (abort) this wq (when syncro scanning) before sleeping
* on the semaphore
*/
- if(!ieee->proto_started){
+ if (!ieee->proto_started) {
printk("==========oh driver down return\n");
return;
}
down(&ieee->wx_sem);
- if (ieee->current_network.ssid_len == 0){
+ if (ieee->current_network.ssid_len == 0) {
strcpy(ieee->current_network.ssid, IEEE80211_DEFAULT_TX_ESSID);
ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
ieee->ssid_set = 1;
@@ -2382,7 +2386,7 @@ static void ieee80211_start_ibss_wq(struct work_struct *work)
ieee80211_start_scan_syncro(ieee);
/* the network definitively is not here.. create a new cell */
- if (ieee->state == IEEE80211_NOLINK){
+ if (ieee->state == IEEE80211_NOLINK) {
printk("creating new IBSS cell\n");
if(!ieee->wap_set)
ieee80211_randomize_cell(ieee);
@@ -2456,9 +2460,9 @@ void ieee80211_start_bss(struct ieee80211_device *ieee)
// Ref: 802.11d 11.1.3.3
// STA shall not start a BSS unless properly formed Beacon frame including a Country IE.
//
- if(IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee))
+ if (IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee))
{
- if(! ieee->bGlobalDomain)
+ if (! ieee->bGlobalDomain)
{
return;
}
@@ -2479,7 +2483,7 @@ void ieee80211_start_bss(struct ieee80211_device *ieee)
*/
spin_lock_irqsave(&ieee->lock, flags);
- if (ieee->state == IEEE80211_NOLINK){
+ if (ieee->state == IEEE80211_NOLINK) {
ieee->actscanning = true;
ieee80211_start_scan(ieee);
}
@@ -2633,7 +2637,7 @@ void ieee80211_start_protocol(struct ieee80211_device *ieee)
ieee->proto_started = 1;
- if (ieee->current_network.channel == 0){
+ if (ieee->current_network.channel == 0) {
do{
ch++;
if (ch > MAX_CHANNEL_NUMBER)
@@ -2719,16 +2723,14 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
ieee->sta_edca_param[2] = 0x005E4342;
ieee->sta_edca_param[3] = 0x002F3262;
ieee->aggregation = true;
- ieee->enable_rx_imm_BA = 1;
+ ieee->enable_rx_imm_BA = true;
ieee->tx_pending.txb = NULL;
- init_timer(&ieee->associate_timer);
- ieee->associate_timer.data = (unsigned long)ieee;
- ieee->associate_timer.function = ieee80211_associate_abort_cb;
+ setup_timer(&ieee->associate_timer, ieee80211_associate_abort_cb,
+ (unsigned long)ieee);
- init_timer(&ieee->beacon_timer);
- ieee->beacon_timer.data = (unsigned long) ieee;
- ieee->beacon_timer.function = ieee80211_send_beacon_cb;
+ setup_timer(&ieee->beacon_timer, ieee80211_send_beacon_cb,
+ (unsigned long)ieee);
ieee->wq = create_workqueue(DRV_NAME);
@@ -3027,12 +3029,11 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
ieee80211_crypt_delayed_deinit(ieee, crypt);
- new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
+ new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
if (new_crypt == NULL) {
ret = -ENOMEM;
goto done;
}
- memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
new_crypt->ops = ops;
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
new_crypt->priv =
@@ -3140,7 +3141,7 @@ SendDisassociation(
struct ieee80211_network *beacon = &ieee->current_network;
struct sk_buff *skb;
skb = ieee80211_disassociate_skb(beacon,ieee,asRsn);
- if (skb){
+ if (skb) {
softmac_mgmt_xmit(skb, ieee);
//dev_kfree_skb_any(skb);//edit by thomas
}
@@ -3155,7 +3156,7 @@ int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_poin
down(&ieee->wx_sem);
//IEEE_DEBUG_INFO("wpa_supplicant: len=%d\n", p->length);
- if (p->length < sizeof(struct ieee_param) || !p->pointer){
+ if (p->length < sizeof(struct ieee_param) || !p->pointer) {
ret = -EINVAL;
goto out;
}
@@ -3210,7 +3211,7 @@ void notify_wx_assoc_event(struct ieee80211_device *ieee)
if (ieee->state == IEEE80211_LINKED)
memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid, ETH_ALEN);
else
- memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
+ eth_zero_addr(wrqu.ap_addr.sa_data);
wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL);
}
EXPORT_SYMBOL(notify_wx_assoc_event);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.