*
* released under the GPL
*/
-
-
#include "ieee80211.h"
#include <linux/random.h>
*tag_p = tag;
}
-
static void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p)
{
u8 *tag = *tag_p;
return rate;
}
-
void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl);
inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
static inline void
softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
{
-
short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
struct rtl_80211_hdr_3addr *header =
(struct rtl_80211_hdr_3addr *) skb->data;
-
if(single){
-
header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
if (ieee->seq_ctrl[0] == 0xFFF)
/* avoid watchdog triggers */
netif_trans_update(ieee->dev);
ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
-
}else{
header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
ieee->seq_ctrl[0]++;
ieee->softmac_hard_start_xmit(skb, ieee->dev);
-
}
//dev_kfree_skb_any(skb);//edit by thomas
}
//spin_unlock_irqrestore(&ieee->beacon_lock,flags);
}
-
static void ieee80211_send_beacon_cb(struct timer_list *t)
{
struct ieee80211_device *ieee =
spin_unlock_irqrestore(&ieee->beacon_lock, flags);
}
-
static void ieee80211_send_probe(struct ieee80211_device *ieee)
{
struct sk_buff *skb;
while(1)
{
-
do{
ch++;
if (ch > MAX_CHANNEL_NUMBER)
goto out;
msleep_interruptible(IEEE80211_SOFTMAC_SCAN_TIME);
-
}
out:
if(ieee->state < IEEE80211_LINKED){
if(channel_map[ieee->current_network.channel] == 1)
ieee80211_send_probe_requests(ieee);
-
schedule_delayed_work(&ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME);
mutex_unlock(&ieee->scan_mutex);
mutex_unlock(&ieee->scan_mutex);
}
-
-
static void ieee80211_beacons_start(struct ieee80211_device *ieee)
{
unsigned long flags;
del_timer_sync(&ieee->beacon_timer);
spin_unlock_irqrestore(&ieee->beacon_lock, flags);
-
}
-
void ieee80211_stop_send_beacons(struct ieee80211_device *ieee)
{
if(ieee->stop_send_beacons)
}
}else
ieee->start_scan(ieee->dev);
-
}
/* called with wx_mutex held */
ieee80211_softmac_scan_syncro(ieee);
else
ieee->scan_syncro(ieee->dev);
-
}
EXPORT_SYMBOL(ieee80211_start_scan_syncro);
struct ieee80211_authentication *auth;
int len = sizeof(struct ieee80211_authentication) + challengelen + ieee->tx_headroom;
-
skb = dev_alloc_skb(len);
if (!skb) return NULL;
auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS);
return skb;
-
}
-
static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *dest)
{
u8 *tag;
else
erp_len = 0;
-
crypt = ieee->crypt[ieee->tx_keyidx];
-
encrypt = ieee->host_encrypt && crypt && crypt->ops &&
((0 == strcmp(crypt->ops->name, "WEP") || wpa_ie_len));
/* HT ralated element */
HTConstructCapabilityElement(ieee, tmp_ht_cap_buf, &tmp_ht_cap_len,encrypt);
HTConstructInfoElement(ieee,tmp_ht_info_buf,&tmp_ht_info_len, encrypt);
-
if (pHTInfo->bRegRT2RTAggregation)
{
tmp_generic_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
if (encrypt)
beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
-
beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP);
beacon_buf->info_element[0].id = MFIE_TYPE_SSID;
beacon_buf->info_element[0].len = ssid_len;
return skb;
}
-
static struct sk_buff *ieee80211_assoc_resp(struct ieee80211_device *ieee,
u8 *dest)
{
assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ?
WLAN_CAPABILITY_BSS : WLAN_CAPABILITY_IBSS);
-
if(ieee->short_slot)
assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
memcpy(auth->header.addr1, dest, ETH_ALEN);
auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
return skb;
-
-
}
static struct sk_buff *ieee80211_null_func(struct ieee80211_device *ieee,
(pwr ? IEEE80211_FCTL_PM:0));
return skb;
-
-
}
-
static void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8 *dest)
{
struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest);
softmac_mgmt_xmit(buf, ieee);
}
-
static void ieee80211_resp_to_auth(struct ieee80211_device *ieee, int s,
u8 *dest)
{
softmac_mgmt_xmit(buf, ieee);
}
-
static void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest)
{
-
-
struct sk_buff *buf = ieee80211_probe_resp(ieee, dest);
if (buf)
softmac_mgmt_xmit(buf, ieee);
}
-
static inline struct sk_buff *
ieee80211_association_req(struct ieee80211_network *beacon,
struct ieee80211_device *ieee)
realtek_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
realtek_ie_len = sizeof( ieee->pHTInfo->szRT2RTAggBuffer);
HTConstructRT2RTAggElement(ieee, realtek_ie_buf, &realtek_ie_len);
-
}
}
if (ieee->qos_support) {
wmm_info_len = beacon->qos_data.supported?9:0;
}
-
if (beacon->bCkipSupported)
{
ckip_ie_len = 30+2;
+ cxvernum_ie_len
+ ieee->tx_headroom;
#endif
-
skb = dev_alloc_skb(len);
if (!skb)
hdr = skb_put(skb, sizeof(struct ieee80211_assoc_request_frame) + 2);
-
hdr->header.frame_ctl = IEEE80211_STYPE_ASSOC_REQ;
hdr->header.duration_id = cpu_to_le16(37);
memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN);
}
}
-
//choose what wpa_supplicant gives to associate.
if (wpa_ie_len) {
skb_put_data(skb, ieee->wpa_ie, wpa_ie_len);
void ieee80211_associate_abort(struct ieee80211_device *ieee)
{
-
unsigned long flags;
spin_lock_irqsave(&ieee->lock, flags);
ieee80211_associate_abort(dev);
}
-
static void ieee80211_associate_step1(struct ieee80211_device *ieee)
{
struct ieee80211_network *beacon = &ieee->current_network;
if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS))
return;
-
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
ssidmatch = (ieee->current_network.ssid_len == net->ssid_len)&&\
(!strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len));
-
if ( /* if the user set the AP check if match.
* if the network does not broadcast essid we check the user supplyed ANY essid
* if the network does broadcast and the user does not set essid it is OK
//HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
ieee->state = IEEE80211_LINKED;
}
-
}
}
-
}
void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee)
}
spin_unlock_irqrestore(&ieee->lock, flags);
-
}
-
static inline u16 auth_parse(struct sk_buff *skb, u8 **challenge, int *chlen)
{
struct ieee80211_authentication *a;
}
return le16_to_cpu(a->status);
-
}
-
static int auth_rq_parse(struct sk_buff *skb, u8 *dest)
{
struct ieee80211_authentication *a;
if (!ssid) return 1; /* ssid not found in tagged param */
return (!strncmp(ssid, ieee->current_network.ssid, ssidlen));
-
}
static int assoc_rq_parse(struct sk_buff *skb, u8 *dest)
static inline void
ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
{
-
u8 dest[ETH_ALEN];
//unsigned long flags;
static void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee,
short pwr)
{
-
struct sk_buff *buf = ieee80211_null_func(ieee, pwr);
if (buf)
}
return 1;
-
-
}
static inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
{
-
u32 th, tl;
short sleep;
goto out;
if(sleep == 1){
-
if(ieee->sta_sleep == 1)
ieee->enter_sleep_state(ieee->dev, th, tl);
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
if(ieee->ps_is_queue_empty(ieee->dev)){
-
-
ieee->sta_sleep = 2;
ieee->ps_request_tx_ack(ieee->dev);
ieee->ps_tl = tl;
}
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
-
}
-
-
}else if(sleep == 2){
//#warning CHECK_LOCK_HERE
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
}
-
out:
spin_unlock_irqrestore(&ieee->lock, flags);
-
}
void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
ieee80211_sta_ps_send_null_frame(ieee, 0);
}
return;
-
}
if(ieee->sta_sleep == 1)
}
/* 21112005 - tx again null without PS bit if lost */
else {
-
if ((ieee->sta_sleep == 0) && !success) {
spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
ieee80211_sta_ps_send_null_frame(ieee, 0);
break;
}
return;
-
}
static void ieee80211_check_auth_response(struct ieee80211_device *ieee,
ieee->last_rx_ps_time = jiffies;
switch (WLAN_FC_GET_STYPE(header->frame_ctl)) {
-
case IEEE80211_STYPE_ASSOC_RESP:
case IEEE80211_STYPE_REASSOC_RESP:
-
IEEE80211_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n",
WLAN_FC_GET_STYPE(header->frame_ctl));
if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
case IEEE80211_STYPE_ASSOC_REQ:
case IEEE80211_STYPE_REASSOC_REQ:
-
if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
ieee->iw_mode == IW_MODE_MASTER)
break;
case IEEE80211_STYPE_AUTH:
-
if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) {
if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING
&& ieee->iw_mode == IW_MODE_INFRA) {
break;
case IEEE80211_STYPE_PROBE_REQ:
-
if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) &&
((ieee->iw_mode == IW_MODE_ADHOC ||
ieee->iw_mode == IW_MODE_MASTER) &&
*/
void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee)
{
-
unsigned int queue_index = txb->queue_index;
unsigned long flags;
int i;
}
}
-
ieee80211_txb_free(ieee->tx_pending.txb);
ieee->tx_pending.txb = NULL;
}
-
void ieee80211_reset_queue(struct ieee80211_device *ieee)
{
unsigned long flags;
}
ieee->queue_stop = 0;
spin_unlock_irqrestore(&ieee->lock, flags);
-
}
EXPORT_SYMBOL(ieee80211_reset_queue);
void ieee80211_wake_queue(struct ieee80211_device *ieee)
{
-
unsigned long flags;
struct sk_buff *skb;
struct rtl_80211_hdr_3addr *header;
ieee->softmac_stats.swtxawake++;
netif_wake_queue(ieee->dev);
}
-
exit :
spin_unlock_irqrestore(&ieee->lock, flags);
}
}
ieee->queue_stop = 1;
//spin_unlock_irqrestore(&ieee->lock,flags);
-
}
EXPORT_SYMBOL(ieee80211_stop_queue);
}
static void ieee80211_start_ibss_wq(struct work_struct *work)
{
-
struct delayed_work *dwork = to_delayed_work(work);
struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq);
/* iwconfig mode ad-hoc will schedule this and return
/* check if we have this cell in our network list */
ieee80211_softmac_check_all_nets(ieee);
-
// if((IS_DOT11D_ENABLE(ieee)) && (ieee->state == IEEE80211_NOLINK))
if (ieee->state == IEEE80211_NOLINK)
ieee->current_network.channel = 6;
ieee->current_network.rates[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
ieee->current_network.rates[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
ieee->current_network.rates[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
-
}else
ieee->current_network.rates_len = 0;
/* called only in userspace context */
void ieee80211_disassociate(struct ieee80211_device *ieee)
{
-
-
netif_carrier_off(ieee->dev);
if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)
ieee80211_reset_queue(ieee);
ieee->link_change(ieee->dev);
//HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
notify_wx_assoc_event(ieee);
-
}
EXPORT_SYMBOL(ieee80211_disassociate);
b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON);
return skb;
-
}
struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee)
ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers.
-
/* if the user set the MAC of the ad-hoc cell and then
* switch to managed mode, shall we make sure that association
* attempts does not fail just because the user provide the essid
ieee80211_start_monitor_mode(ieee);
}
-
#define DRV_NAME "Ieee80211"
void ieee80211_softmac_init(struct ieee80211_device *ieee)
{
timer_setup(&ieee->beacon_timer, ieee80211_send_beacon_cb, 0);
-
INIT_DELAYED_WORK(&ieee->start_ibss_wq, ieee80211_start_ibss_wq);
INIT_WORK(&ieee->associate_complete_wq, ieee80211_associate_complete_wq);
INIT_WORK(&ieee->associate_procedure_wq, ieee80211_associate_procedure_wq);
INIT_DELAYED_WORK(&ieee->associate_retry_wq, ieee80211_associate_retry_wq);
INIT_WORK(&ieee->wx_sync_scan_wq, ieee80211_wx_sync_scan_wq);
-
mutex_init(&ieee->wx_mutex);
mutex_init(&ieee->scan_mutex);
tasklet_init(&ieee->ps_task,
(void(*)(unsigned long)) ieee80211_sta_ps,
(unsigned long)ieee);
-
}
void ieee80211_softmac_free(struct ieee80211_device *ieee)
* Start of WPA code. *
* this is stolen from the ipw2200 driver *
********************************************************/
-
-
static int ieee80211_wpa_enable(struct ieee80211_device *ieee, int value)
{
/* This is called when wpa_supplicant loads and closes the driver
return 0;
}
-
static void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee,
char *wpa_ie, int wpa_ie_len)
{
ieee80211_disassociate(ieee);
}
-
static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, int reason)
{
-
int ret = 0;
switch (command) {
return ret;
}
-
static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
struct ieee_param *param, int plen)
{
static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value)
{
-
struct ieee80211_security sec = {
.flags = SEC_AUTH_MODE,
};
ieee->auth_mode = 2;
}
-
if (ieee->set_security)
ieee->set_security(ieee->dev, &sec);
//else
}
/* implementation borrowed from hostap driver */
-
static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
struct ieee_param *param, int param_len)
{
return skb;
}
-
void
SendDisassociation(
struct ieee80211_device *ieee,
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