diff options
author | Larry Finger | 2011-08-24 02:00:42 +0200 |
---|---|---|
committer | Larry Finger | 2011-08-24 02:00:42 +0200 |
commit | 94a799425eee8225a1e3fbe5f473d2ef04002577 (patch) | |
tree | e4d188ca8f652c6b61859472fe9de05ef8ae33b3 /drivers/staging/rtl8192e/rtllib_softmac.c | |
parent | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh... (diff) | |
download | kernel-qcow2-linux-94a799425eee8225a1e3fbe5f473d2ef04002577.tar.gz kernel-qcow2-linux-94a799425eee8225a1e3fbe5f473d2ef04002577.tar.xz kernel-qcow2-linux-94a799425eee8225a1e3fbe5f473d2ef04002577.zip |
From: wlanfae <wlanfae@realtek.com>
[PATCH 1/8] rtl8192e: Import new version of driver from realtek
Signed-off-by: wlanfae <wlanfae@realtek.com>
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_softmac.c')
-rw-r--r-- | drivers/staging/rtl8192e/rtllib_softmac.c | 4150 |
1 files changed, 4150 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c new file mode 100644 index 000000000000..a843de99ed3e --- /dev/null +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -0,0 +1,4150 @@ +/* IEEE 802.11 SoftMAC layer + * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it> + * + * Mostly extracted from the rtl8180-sa2400 driver for the + * in-kernel generic ieee802.11 stack. + * + * Few lines might be stolen from other part of the rtllib + * stack. Copyright who own it's copyright + * + * WPA code stolen from the ipw2200 driver. + * Copyright who own it's copyright. + * + * released under the GPL + */ + + +#include "rtllib.h" +#include "rtl_core.h" + +#include <linux/random.h> +#include <linux/delay.h> +#include <linux/version.h> +#include <asm/uaccess.h> +#ifdef ENABLE_DOT11D +#include "dot11d.h" +#endif + +#ifdef RTK_DMP_PLATFORM +#include <linux/usb_setting.h> +#endif +extern void _setup_timer( struct timer_list*, void*, unsigned long ); +u8 rsn_authen_cipher_suite[16][4] = { + {0x00,0x0F,0xAC,0x00}, + {0x00,0x0F,0xAC,0x01}, + {0x00,0x0F,0xAC,0x02}, + {0x00,0x0F,0xAC,0x03}, + {0x00,0x0F,0xAC,0x04}, + {0x00,0x0F,0xAC,0x05}, +}; + +short rtllib_is_54g(struct rtllib_network *net) +{ + return ((net->rates_ex_len > 0) || (net->rates_len > 4)); +} + +short rtllib_is_shortslot(struct rtllib_network net) +{ + return (net.capability & WLAN_CAPABILITY_SHORT_SLOT_TIME); +} + +/* returns the total length needed for pleacing the RATE MFIE + * tag and the EXTENDED RATE MFIE tag if needed. + * It encludes two bytes per tag for the tag itself and its len + */ +unsigned int rtllib_MFIE_rate_len(struct rtllib_device *ieee) +{ + unsigned int rate_len = 0; + + if (ieee->modulation & RTLLIB_CCK_MODULATION) + rate_len = RTLLIB_CCK_RATE_LEN + 2; + + if (ieee->modulation & RTLLIB_OFDM_MODULATION) + + rate_len += RTLLIB_OFDM_RATE_LEN + 2; + + return rate_len; +} + +/* pleace the MFIE rate, tag to the memory (double) poined. + * Then it updates the pointer so that + * it points after the new MFIE tag added. + */ +void rtllib_MFIE_Brate(struct rtllib_device *ieee, u8 **tag_p) +{ + u8 *tag = *tag_p; + + if (ieee->modulation & RTLLIB_CCK_MODULATION){ + *tag++ = MFIE_TYPE_RATES; + *tag++ = 4; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_1MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_2MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_5MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_11MB; + } + + /* We may add an option for custom rates that specific HW might support */ + *tag_p = tag; +} + +void rtllib_MFIE_Grate(struct rtllib_device *ieee, u8 **tag_p) +{ + u8 *tag = *tag_p; + + if (ieee->modulation & RTLLIB_OFDM_MODULATION){ + + *tag++ = MFIE_TYPE_RATES_EX; + *tag++ = 8; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_6MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_9MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_12MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_18MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_24MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_36MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_48MB; + *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_54MB; + + } + + /* We may add an option for custom rates that specific HW might support */ + *tag_p = tag; +} + +void rtllib_WMM_Info(struct rtllib_device *ieee, u8 **tag_p) { + u8 *tag = *tag_p; + + *tag++ = MFIE_TYPE_GENERIC; + *tag++ = 7; + *tag++ = 0x00; + *tag++ = 0x50; + *tag++ = 0xf2; + *tag++ = 0x02; + *tag++ = 0x00; + *tag++ = 0x01; +#ifdef SUPPORT_USPD + if (ieee->current_network.wmm_info & 0x80) { + *tag++ = 0x0f|MAX_SP_Len; + } else { + *tag++ = MAX_SP_Len; + } +#else + *tag++ = MAX_SP_Len; +#endif + *tag_p = tag; +} + +void rtllib_TURBO_Info(struct rtllib_device *ieee, u8 **tag_p) { + u8 *tag = *tag_p; + + *tag++ = MFIE_TYPE_GENERIC; + *tag++ = 7; + *tag++ = 0x00; + *tag++ = 0xe0; + *tag++ = 0x4c; + *tag++ = 0x01; + *tag++ = 0x02; + *tag++ = 0x11; + *tag++ = 0x00; + + *tag_p = tag; + printk(KERN_ALERT "This is enable turbo mode IE process\n"); +} + +void enqueue_mgmt(struct rtllib_device *ieee, struct sk_buff *skb) +{ + int nh; + nh = (ieee->mgmt_queue_head +1) % MGMT_QUEUE_NUM; + +/* + * if the queue is full but we have newer frames then + * just overwrites the oldest. + * + * if (nh == ieee->mgmt_queue_tail) + * return -1; + */ + ieee->mgmt_queue_head = nh; + ieee->mgmt_queue_ring[nh] = skb; + +} + +struct sk_buff *dequeue_mgmt(struct rtllib_device *ieee) +{ + struct sk_buff *ret; + + if (ieee->mgmt_queue_tail == ieee->mgmt_queue_head) + return NULL; + + ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail]; + + ieee->mgmt_queue_tail = + (ieee->mgmt_queue_tail+1) % MGMT_QUEUE_NUM; + + return ret; +} + +void init_mgmt_queue(struct rtllib_device *ieee) +{ + ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0; +} + + +u8 +MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee) +{ + u16 i; + u8 QueryRate = 0; + u8 BasicRate; + + + for ( i = 0; i < ieee->current_network.rates_len; i++) + { + BasicRate = ieee->current_network.rates[i]&0x7F; + if (!rtllib_is_cck_rate(BasicRate)) + { + if (QueryRate == 0) + { + QueryRate = BasicRate; + } + else + { + if (BasicRate < QueryRate) + { + QueryRate = BasicRate; + } + } + } + } + + if (QueryRate == 0) + { + QueryRate = 12; + printk("No BasicRate found!!\n"); + } + return QueryRate; +} + +u8 MgntQuery_MgntFrameTxRate(struct rtllib_device *ieee) +{ + PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; + u8 rate; + + if (pHTInfo->IOTAction & HT_IOT_ACT_MGNT_USE_CCK_6M) + rate = 0x0c; + else + rate = ieee->basic_rate & 0x7f; + + if (rate == 0){ + if (ieee->mode == IEEE_A|| + ieee->mode== IEEE_N_5G|| + (ieee->mode== IEEE_N_24G&&!pHTInfo->bCurSuppCCK)) + rate = 0x0c; + else + rate = 0x02; + } + + return rate; +} + + +void rtllib_sta_wakeup(struct rtllib_device *ieee, short nl); + +inline void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee) +{ + unsigned long flags; + short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE; + struct rtllib_hdr_3addr *header= + (struct rtllib_hdr_3addr *) skb->data; + + cb_desc *tcb_desc = (cb_desc *)(skb->cb + 8); + spin_lock_irqsave(&ieee->lock, flags); + + /* called with 2nd param 0, no mgmt lock required */ + rtllib_sta_wakeup(ieee,0); + + if (header->frame_ctl == RTLLIB_STYPE_BEACON) + tcb_desc->queue_index = BEACON_QUEUE; + else + tcb_desc->queue_index = MGNT_QUEUE; + + if (ieee->disable_mgnt_queue) + tcb_desc->queue_index = HIGH_QUEUE; + + tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee); + tcb_desc->RATRIndex = 7; + tcb_desc->bTxDisableRateFallBack = 1; + tcb_desc->bTxUseDriverAssingedRate = 1; + if (single) { + if (ieee->queue_stop){ + enqueue_mgmt(ieee,skb); + }else{ + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + /* avoid watchdog triggers */ + ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + } + + spin_unlock_irqrestore(&ieee->lock, flags); + }else{ + spin_unlock_irqrestore(&ieee->lock, flags); + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags); + + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + /* check wether the managed packet queued greater than 5 */ + if (!ieee->check_nic_enough_desc(ieee->dev,tcb_desc->queue_index)||\ + (skb_queue_len(&ieee->skb_waitQ[tcb_desc->queue_index]) != 0)||\ + (ieee->queue_stop) ) { + /* insert the skb packet to the management queue */ + /* as for the completion function, it does not need + * to check it any more. + * */ + printk("%s():insert to waitqueue, queue_index:%d!\n",__func__,tcb_desc->queue_index); + skb_queue_tail(&ieee->skb_waitQ[tcb_desc->queue_index], skb); + } else { + ieee->softmac_hard_start_xmit(skb,ieee->dev); + } + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags); + } +} + +inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, + struct rtllib_device *ieee) +{ + short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE; + struct rtllib_hdr_3addr *header = + (struct rtllib_hdr_3addr *) skb->data; + u16 fc,type,stype; + cb_desc *tcb_desc = (cb_desc *)(skb->cb + 8); + + fc = header->frame_ctl; + type = WLAN_FC_GET_TYPE(fc); + stype = WLAN_FC_GET_STYPE(fc); + + + if (stype != RTLLIB_STYPE_PSPOLL) + tcb_desc->queue_index = MGNT_QUEUE; + else + tcb_desc->queue_index = HIGH_QUEUE; + + if (ieee->disable_mgnt_queue) + tcb_desc->queue_index = HIGH_QUEUE; + + + tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee); + tcb_desc->RATRIndex = 7; + tcb_desc->bTxDisableRateFallBack = 1; + tcb_desc->bTxUseDriverAssingedRate = 1; + if (single) { + if (type != RTLLIB_FTYPE_CTL) { + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + } + /* avoid watchdog triggers */ + ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + + } else { + if (type != RTLLIB_FTYPE_CTL) { + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + } + ieee->softmac_hard_start_xmit(skb,ieee->dev); + + } +} + +inline struct sk_buff *rtllib_probe_req(struct rtllib_device *ieee) +{ + unsigned int len,rate_len; + u8 *tag; + struct sk_buff *skb; + struct rtllib_probe_request *req; + + len = ieee->current_network.ssid_len; + + rate_len = rtllib_MFIE_rate_len(ieee); + +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr; + int alignment; + skb = dev_alloc_skb(sizeof(struct rtllib_probe_request) + + 2 + len + rate_len + ieee->tx_headroom + USB_512B_ALIGNMENT_SIZE); +#else + skb = dev_alloc_skb(sizeof(struct rtllib_probe_request) + + 2 + len + rate_len + ieee->tx_headroom); +#endif + + if (!skb) + return NULL; + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + + skb_reserve(skb, ieee->tx_headroom); + + req = (struct rtllib_probe_request *) skb_put(skb,sizeof(struct rtllib_probe_request)); + req->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_PROBE_REQ); + req->header.duration_id = 0; + + memset(req->header.addr1, 0xff, ETH_ALEN); + memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memset(req->header.addr3, 0xff, ETH_ALEN); + + tag = (u8 *) skb_put(skb,len+2+rate_len); + + *tag++ = MFIE_TYPE_SSID; + *tag++ = len; + memcpy(tag, ieee->current_network.ssid, len); + tag += len; + + rtllib_MFIE_Brate(ieee,&tag); + rtllib_MFIE_Grate(ieee,&tag); + + return skb; +} + +struct sk_buff *rtllib_get_beacon_(struct rtllib_device *ieee); + +void rtllib_send_beacon(struct rtllib_device *ieee) +{ + struct sk_buff *skb; + if (!ieee->ieee_up) + return; + skb = rtllib_get_beacon_(ieee); + + if (skb){ + softmac_mgmt_xmit(skb, ieee); + ieee->softmac_stats.tx_beacons++; + } + + if (ieee->beacon_txing && ieee->ieee_up){ + mod_timer(&ieee->beacon_timer,jiffies+(MSECS(ieee->current_network.beacon_interval-5))); + } +} + + +void rtllib_send_beacon_cb(unsigned long _ieee) +{ + struct rtllib_device *ieee = + (struct rtllib_device *) _ieee; + unsigned long flags; + + spin_lock_irqsave(&ieee->beacon_lock, flags); + rtllib_send_beacon(ieee); + spin_unlock_irqrestore(&ieee->beacon_lock, flags); +} + +/* + * Description: + * Enable network monitor mode, all rx packets will be received. + */ +void rtllib_EnableNetMonitorMode(struct net_device* dev, + bool bInitState) +{ + struct rtllib_device* ieee = netdev_priv_rsl(dev); + + printk("========>Enter Monitor Mode\n"); + + ieee->AllowAllDestAddrHandler(dev, true, !bInitState); +} + + +/* + * Description: + * Disable network network monitor mode, only packets destinated to + * us will be received. + */ +void rtllib_DisableNetMonitorMode(struct net_device* dev, + bool bInitState) +{ + struct rtllib_device* ieee = netdev_priv_rsl(dev); + + printk("========>Exit Monitor Mode\n"); + + ieee->AllowAllDestAddrHandler(dev, false, !bInitState); +} + + +/* + * Description: + * This enables the specialized promiscuous mode required by Intel. + * In this mode, Intel intends to hear traffics from/to other STAs in the same BSS. + * Therefore we don't have to disable checking BSSID and we only need to allow all dest. + * BUT: if we enable checking BSSID then we can't recv packets from other STA. + */ +void rtllib_EnableIntelPromiscuousMode(struct net_device* dev, + bool bInitState) +{ + bool bFilterOutNonAssociatedBSSID = false; + + struct rtllib_device* ieee = netdev_priv_rsl(dev); + + printk("========>Enter Intel Promiscuous Mode\n"); + + ieee->AllowAllDestAddrHandler(dev, true, !bInitState); + ieee->SetHwRegHandler(dev, HW_VAR_CECHK_BSSID, (u8*)&bFilterOutNonAssociatedBSSID); + + ieee->bNetPromiscuousMode = true; +} + + +/* + * Description: + * This disables the specialized promiscuous mode required by Intel. + * See MgntEnableIntelPromiscuousMode for detail. + */ +void rtllib_DisableIntelPromiscuousMode(struct net_device* dev, + bool bInitState) +{ + bool bFilterOutNonAssociatedBSSID = true; + + struct rtllib_device* ieee = netdev_priv_rsl(dev); + + printk("========>Exit Intel Promiscuous Mode\n"); + + ieee->AllowAllDestAddrHandler(dev, false, !bInitState); + ieee->SetHwRegHandler(dev, HW_VAR_CECHK_BSSID, (u8*)&bFilterOutNonAssociatedBSSID); + + ieee->bNetPromiscuousMode = false; +} + +void rtllib_send_probe(struct rtllib_device *ieee, u8 is_mesh) +{ + struct sk_buff *skb; + skb = rtllib_probe_req(ieee); + if (skb){ + softmac_mgmt_xmit(skb, ieee); + ieee->softmac_stats.tx_probe_rq++; + } +} + + +void rtllib_send_probe_requests(struct rtllib_device *ieee, u8 is_mesh) +{ + if (ieee->active_scan && (ieee->softmac_features & + IEEE_SOFTMAC_PROBERQ)) { + rtllib_send_probe(ieee, 0); + rtllib_send_probe(ieee, 0); + } +} + +void rtllib_softmac_hint11d_wq(void *data) +{ +#ifdef CONFIG_CRDA + struct rtllib_device *ieee = container_of_dwork_rsl(data, struct rtllib_device, softmac_hint11d_wq); + PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee); + struct wireless_dev *wdev = &ieee->wdev; + + regulatory_hint_11d(wdev->wiphy, pDot11dInfo->CountryIeBuf, pDot11dInfo->CountryIeLen); +#endif +} + +void rtllib_update_active_chan_map(struct rtllib_device *ieee) +{ +#ifdef ENABLE_DOT11D + memcpy(ieee->active_channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#else + memcpy(ieee->active_channel_map, ieee->channel_map, MAX_CHANNEL_NUMBER+1); +#endif +} + +/* this performs syncro scan blocking the caller until all channels + * in the allowed channel map has been checked. + */ +void rtllib_softmac_scan_syncro(struct rtllib_device *ieee, u8 is_mesh) +{ + short ch = 0; + + rtllib_update_active_chan_map(ieee); + + ieee->be_scan_inprogress = true; + + down(&ieee->scan_sem); + + while(1) + { + + do { + ch++; + if (ch > MAX_CHANNEL_NUMBER) + goto out; /* scan completed */ + } while(!ieee->active_channel_map[ch]); + + /* this fuction can be called in two situations + * 1- We have switched to ad-hoc mode and we are + * performing a complete syncro scan before conclude + * there are no interesting cell and to create a + * new one. In this case the link state is + * RTLLIB_NOLINK until we found an interesting cell. + * If so the ieee8021_new_net, called by the RX path + * will set the state to RTLLIB_LINKED, so we stop + * scanning + * 2- We are linked and the root uses run iwlist scan. + * So we switch to RTLLIB_LINKED_SCANNING to remember + * that we are still logically linked (not interested in + * new network events, despite for updating the net list, + * but we are temporarly 'unlinked' as the driver shall + * not filter RX frames and the channel is changing. + * So the only situation in witch are interested is to check + * if the state become LINKED because of the #1 situation + */ + + if (ieee->state == RTLLIB_LINKED) + goto out; + if (ieee->sync_scan_hurryup){ + printk("============>sync_scan_hurryup out\n"); + goto out; + } + + ieee->set_chan(ieee->dev, ch); + if (ieee->active_channel_map[ch] == 1) + rtllib_send_probe_requests(ieee, 0); + + /* this prevent excessive time wait when we + * need to wait for a syncro scan to end.. + */ + msleep_interruptible_rsl(RTLLIB_SOFTMAC_SCAN_TIME); + } +out: + ieee->actscanning = false; + ieee->sync_scan_hurryup = 0; + + if (ieee->state >= RTLLIB_LINKED){ +#ifdef ENABLE_DOT11D + if (IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif + } + up(&ieee->scan_sem); + + ieee->be_scan_inprogress = false; + +#ifndef FOR_MOBLIN + { + union iwreq_data wrqu; + memset(&wrqu, 0, sizeof(wrqu)); + wireless_send_event(ieee->dev,SIOCGIWSCAN,&wrqu,NULL); + } +#endif +} + +void rtllib_softmac_scan_wq(void *data) +{ + struct rtllib_device *ieee = container_of_dwork_rsl(data, struct rtllib_device, softmac_scan_wq); + u8 last_channel = ieee->current_network.channel; + + rtllib_update_active_chan_map(ieee); + + if (!ieee->ieee_up) + return; + if (rtllib_act_scanning(ieee,true) == true) + return; + + down(&ieee->scan_sem); + + if (ieee->eRFPowerState == eRfOff) + { + printk("======>%s():rf state is eRfOff, return\n",__func__); + goto out1; + } + + do{ + ieee->current_network.channel = + (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER; + if (ieee->scan_watch_dog++ > MAX_CHANNEL_NUMBER) + { + if (!ieee->active_channel_map[ieee->current_network.channel]) + ieee->current_network.channel = 6; + goto out; /* no good chans */ + } + } while(!ieee->active_channel_map[ieee->current_network.channel]); + + if (ieee->scanning_continue == 0 ) + goto out; + + ieee->set_chan(ieee->dev, ieee->current_network.channel); + + if (ieee->active_channel_map[ieee->current_network.channel] == 1) + rtllib_send_probe_requests(ieee, 0); + + queue_delayed_work_rsl(ieee->wq, &ieee->softmac_scan_wq, MSECS(RTLLIB_SOFTMAC_SCAN_TIME)); + + up(&ieee->scan_sem); + return; + +out: +#ifdef ENABLE_DOT11D + if (IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif + ieee->current_network.channel = last_channel; + +out1: + ieee->actscanning = false; + ieee->scan_watch_dog = 0; + ieee->scanning_continue = 0; + up(&ieee->scan_sem); +} + + + +void rtllib_beacons_start(struct rtllib_device *ieee) +{ + unsigned long flags; + spin_lock_irqsave(&ieee->beacon_lock,flags); + + ieee->beacon_txing = 1; + rtllib_send_beacon(ieee); + + spin_unlock_irqrestore(&ieee->beacon_lock,flags); +} + +void rtllib_beacons_stop(struct rtllib_device *ieee) +{ + unsigned long flags; + + spin_lock_irqsave(&ieee->beacon_lock,flags); + + ieee->beacon_txing = 0; + del_timer_sync(&ieee->beacon_timer); + + spin_unlock_irqrestore(&ieee->beacon_lock,flags); + +} + + +void rtllib_stop_send_beacons(struct rtllib_device *ieee) +{ + if (ieee->stop_send_beacons) + ieee->stop_send_beacons(ieee->dev); + if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS) + rtllib_beacons_stop(ieee); +} + + +void rtllib_start_send_beacons(struct rtllib_device *ieee) +{ + if (ieee->start_send_beacons) + ieee->start_send_beacons(ieee->dev); + if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS) + rtllib_beacons_start(ieee); +} + + +void rtllib_softmac_stop_scan(struct rtllib_device *ieee) +{ + + + down(&ieee->scan_sem); + ieee->scan_watch_dog = 0; + if (ieee->scanning_continue == 1){ + ieee->scanning_continue = 0; + ieee->actscanning = 0; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,40) +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,67) + cancel_delayed_work(&ieee->softmac_scan_wq); +#endif +#else + del_timer_sync(&ieee->scan_timer); +#endif + } + + up(&ieee->scan_sem); +} + +void rtllib_stop_scan(struct rtllib_device *ieee) +{ + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){ + rtllib_softmac_stop_scan(ieee); + }else{ + if (ieee->rtllib_stop_hw_scan) + ieee->rtllib_stop_hw_scan(ieee->dev); + } +} + +void rtllib_stop_scan_syncro(struct rtllib_device *ieee) +{ + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){ + ieee->sync_scan_hurryup = 1; + }else{ + if (ieee->rtllib_stop_hw_scan) + ieee->rtllib_stop_hw_scan(ieee->dev); + } +} + +bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan) +{ + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){ + if (sync_scan){ + return ieee->be_scan_inprogress; + }else{ + return (ieee->actscanning ||ieee->be_scan_inprogress); + } + }else{ + return test_bit(STATUS_SCANNING, &ieee->status); + } +} + +/* called with ieee->lock held */ +void rtllib_start_scan(struct rtllib_device *ieee) +{ + RT_TRACE(COMP_DBG, "===>%s()\n",__func__); + if (ieee->rtllib_ips_leave_wq != NULL) + ieee->rtllib_ips_leave_wq(ieee->dev); + + +#ifdef ENABLE_DOT11D + if (IS_DOT11D_ENABLE(ieee) ) + { + if (IS_COUNTRY_IE_VALID(ieee)) + { + RESET_CIE_WATCHDOG(ieee); + } + } +#endif + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) { + if (ieee->scanning_continue == 0) { + ieee->actscanning = true; + ieee->scanning_continue = 1; + queue_delayed_work_rsl(ieee->wq, &ieee->softmac_scan_wq, 0); + } + } else { + if (ieee->rtllib_start_hw_scan) + ieee->rtllib_start_hw_scan(ieee->dev); + } + +} + +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,40) +void rtllib_softmac_scan_cb(unsigned long _dev) +{ + unsigned long flags; + struct rtllib_device *ieee = (struct rtllib_device *)_dev; + + spin_lock_irqsave(&ieee->lock, flags); + rtllib_start_scan(ieee); + spin_unlock_irqrestore(&ieee->lock, flags); +} +#endif + +/* called with wx_sem held */ +void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh) +{ +#ifdef ENABLE_DOT11D + if (IS_DOT11D_ENABLE(ieee) ) + { + if (IS_COUNTRY_IE_VALID(ieee)) + { + RESET_CIE_WATCHDOG(ieee); + } + } +#endif + ieee->sync_scan_hurryup = 0; + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){ + rtllib_softmac_scan_syncro(ieee, is_mesh); + }else{ + if (ieee->rtllib_start_hw_scan) + ieee->rtllib_start_hw_scan(ieee->dev); + } + +} + +inline struct sk_buff *rtllib_authentication_req(struct rtllib_network *beacon, + struct rtllib_device *ieee, int challengelen,u8 * daddr) +{ + struct sk_buff *skb; + struct rtllib_authentication *auth; + int len = 0; + len = sizeof(struct rtllib_authentication) + challengelen + ieee->tx_headroom + 4; +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr; + int alignment; + skb = dev_alloc_skb(len + USB_512B_ALIGNMENT_SIZE); +#else + skb = dev_alloc_skb(len); +#endif + + if (!skb) return NULL; + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + + skb_reserve(skb, ieee->tx_headroom); + + auth = (struct rtllib_authentication *) + skb_put(skb, sizeof(struct rtllib_authentication)); + + auth->header.frame_ctl = RTLLIB_STYPE_AUTH; + if (challengelen) auth->header.frame_ctl |= RTLLIB_FCTL_WEP; + + auth->header.duration_id = 0x013a; + memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN); + memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(auth->header.addr3, beacon->bssid, ETH_ALEN); + if (ieee->auth_mode == 0) + auth->algorithm = WLAN_AUTH_OPEN; + else if (ieee->auth_mode == 1) + auth->algorithm = WLAN_AUTH_SHARED_KEY; + else if (ieee->auth_mode == 2) + auth->algorithm = WLAN_AUTH_OPEN; + auth->transaction = cpu_to_le16(ieee->associate_seq); + ieee->associate_seq++; + + auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS); + + return skb; + +} + +void constructWMMIE(u8* wmmie, u8* wmm_len,u8 oui_subtype) +{ + u8 szQoSOUI[] ={221, 0, 0x00, 0x50, 0xf2, 0x02, 0, 1}; + + if (oui_subtype == OUI_SUBTYPE_QOS_CAPABI) + { + szQoSOUI[0] = 46; + szQoSOUI[1] = *wmm_len; + memcpy(wmmie,szQoSOUI,3); + *wmm_len = 3; + } + else + { + szQoSOUI[1] = *wmm_len + 6; + szQoSOUI[6] = oui_subtype; + memcpy(wmmie, szQoSOUI, 8); + *(wmmie+8) = 0; + *wmm_len = 9; + } +} + +static struct sk_buff* rtllib_probe_resp(struct rtllib_device *ieee, u8 *dest) +{ + u8 *tag; + int beacon_size; + struct rtllib_probe_response *beacon_buf; + struct sk_buff *skb = NULL; + int encrypt; + int atim_len,erp_len; + struct rtllib_crypt_data* crypt; + + char *ssid = ieee->current_network.ssid; + int ssid_len = ieee->current_network.ssid_len; + int rate_len = ieee->current_network.rates_len+2; + int rate_ex_len = ieee->current_network.rates_ex_len; + int wpa_ie_len = ieee->wpa_ie_len; + u8 erpinfo_content = 0; + + u8* tmp_ht_cap_buf = NULL; + u8 tmp_ht_cap_len = 0; + u8* tmp_ht_info_buf = NULL; + u8 tmp_ht_info_len = 0; + PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; + u8* tmp_generic_ie_buf = NULL; + u8 tmp_generic_ie_len = 0; + + if (rate_ex_len > 0) + rate_ex_len+=2; + + if (ieee->current_network.capability & WLAN_CAPABILITY_IBSS) + atim_len = 4; + else + atim_len = 0; + + if ((ieee->current_network.mode == IEEE_G) + ||( ieee->current_network.mode == IEEE_N_24G && ieee->pHTInfo->bCurSuppCCK)) { + erp_len = 3; + erpinfo_content = 0; + if (ieee->current_network.buseprotection) + erpinfo_content |= ERP_UseProtection; + } + 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)); + if (ieee->pHTInfo->bCurrentHTSupport){ + tmp_ht_cap_buf =(u8*) &(ieee->pHTInfo->SelfHTCap); + tmp_ht_cap_len = sizeof(ieee->pHTInfo->SelfHTCap); + tmp_ht_info_buf =(u8*) &(ieee->pHTInfo->SelfHTInfo); + tmp_ht_info_len = sizeof(ieee->pHTInfo->SelfHTInfo); + HTConstructCapabilityElement(ieee, tmp_ht_cap_buf, &tmp_ht_cap_len,encrypt, false); + HTConstructInfoElement(ieee,tmp_ht_info_buf,&tmp_ht_info_len, encrypt); + + + if (pHTInfo->bRegRT2RTAggregation) + { + tmp_generic_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer; + tmp_generic_ie_len = sizeof(ieee->pHTInfo->szRT2RTAggBuffer); + HTConstructRT2RTAggElement(ieee, tmp_generic_ie_buf, &tmp_generic_ie_len); + } + } + + beacon_size = sizeof(struct rtllib_probe_response)+2+ + ssid_len + +3 + +rate_len + +rate_ex_len + +atim_len + +erp_len + +wpa_ie_len + +ieee->tx_headroom; +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr=0; + int alignment=0; + skb = dev_alloc_skb(beacon_size + USB_512B_ALIGNMENT_SIZE); +#else + skb = dev_alloc_skb(beacon_size); +#endif + if (!skb) + return NULL; + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + + skb_reserve(skb, ieee->tx_headroom); + + beacon_buf = (struct rtllib_probe_response*) skb_put(skb, (beacon_size - ieee->tx_headroom)); + memcpy (beacon_buf->header.addr1, dest,ETH_ALEN); + memcpy (beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy (beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN); + + beacon_buf->header.duration_id = 0; + beacon_buf->beacon_interval = + cpu_to_le16(ieee->current_network.beacon_interval); + beacon_buf->capability = + cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS); + beacon_buf->capability |= + cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE); + + if (ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) + cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT_TIME)); + + crypt = ieee->crypt[ieee->tx_keyidx]; + if (encrypt) + beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + + beacon_buf->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_PROBE_RESP); + beacon_buf->info_element[0].id = MFIE_TYPE_SSID; + beacon_buf->info_element[0].len = ssid_len; + + tag = (u8*) beacon_buf->info_element[0].data; + + memcpy(tag, ssid, ssid_len); + + tag += ssid_len; + + *(tag++) = MFIE_TYPE_RATES; + *(tag++) = rate_len-2; + memcpy(tag,ieee->current_network.rates,rate_len-2); + tag+=rate_len-2; + + *(tag++) = MFIE_TYPE_DS_SET; + *(tag++) = 1; + *(tag++) = ieee->current_network.channel; + + if (atim_len){ + u16 val16; + *(tag++) = MFIE_TYPE_IBSS_SET; + *(tag++) = 2; + val16 = cpu_to_le16(ieee->current_network.atim_window); + memcpy((u8 *)tag, (u8 *)&val16, 2); + tag+=2; + } + + if (erp_len){ + *(tag++) = MFIE_TYPE_ERP; + *(tag++) = 1; + *(tag++) = erpinfo_content; + } +#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE) + if (tmp_ht_cap_len){ + *(tag++) = MFIE_TYPE_HT_CAP; + *(tag++) = tmp_ht_cap_len - 2; + memcpy(tag, tmp_ht_cap_buf, tmp_ht_cap_len - 2); + tag += tmp_ht_cap_len - 2; + } +#endif + 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); + tag+=rate_ex_len-2; + } + +#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE) + if (tmp_ht_info_len){ + *(tag++) = MFIE_TYPE_HT_INFO; + *(tag++) = tmp_ht_info_len - 2; + memcpy(tag, tmp_ht_info_buf, tmp_ht_info_len -2); + tag += tmp_ht_info_len - 2; + } +#endif + + if (wpa_ie_len) + { + if (ieee->iw_mode == IW_MODE_ADHOC) + { + memcpy(&ieee->wpa_ie[14], &ieee->wpa_ie[8], 4); + } + memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len); + tag += ieee->wpa_ie_len; + } + +#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE) + if (tmp_generic_ie_len) + { + (*tag++) = 0xdd; + (*tag++) = tmp_generic_ie_len - 2; + memcpy(tag,tmp_generic_ie_buf,tmp_generic_ie_len -2); + tag += tmp_generic_ie_len -2; + + } +#endif + +#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE) + if (wmm_len) { + memcpy(tag,wmmie,wmm_len); + tag += wmm_len; + } +#endif + return skb; +} + +struct sk_buff* rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest) +{ + struct sk_buff *skb; + u8* tag; + + struct rtllib_crypt_data* crypt; + struct rtllib_assoc_response_frame *assoc; + short encrypt; + + unsigned int rate_len = rtllib_MFIE_rate_len(ieee); + int len = sizeof(struct rtllib_assoc_response_frame) + rate_len + ieee->tx_headroom; + +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr=0; + int alignment=0; + skb = dev_alloc_skb(len + USB_512B_ALIGNMENT_SIZE); +#else + skb = dev_alloc_skb(len); +#endif + + if (!skb) + return NULL; + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + + skb_reserve(skb, ieee->tx_headroom); + + assoc = (struct rtllib_assoc_response_frame *) + skb_put(skb,sizeof(struct rtllib_assoc_response_frame)); + + assoc->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_ASSOC_RESP); + memcpy(assoc->header.addr1, dest,ETH_ALEN); + memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN); + memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ? + WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS); + + + if (ieee->short_slot) + assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME); + + if (ieee->host_encrypt) + crypt = ieee->crypt[ieee->tx_keyidx]; + else + crypt = NULL; + + encrypt = ( crypt && crypt->ops); + + if (encrypt) + assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + assoc->status = 0; + assoc->aid = cpu_to_le16(ieee->assoc_id); + if (ieee->assoc_id == 0x2007) + ieee->assoc_id=0; + else + ieee->assoc_id++; + + tag = (u8*) skb_put(skb, rate_len); + rtllib_MFIE_Brate(ieee, &tag); + rtllib_MFIE_Grate(ieee, &tag); + + return skb; +} + +struct sk_buff* rtllib_auth_resp(struct rtllib_device *ieee,int status, u8 *dest) +{ + struct sk_buff *skb = NULL; + struct rtllib_authentication *auth; + int len = ieee->tx_headroom + sizeof(struct rtllib_authentication)+1; +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr=0; + int alignment=0; + skb = dev_alloc_skb(len + USB_512B_ALIGNMENT_SIZE); +#else + skb = dev_alloc_skb(len); +#endif + if (!skb) + return NULL; + + skb->len = sizeof(struct rtllib_authentication); + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + + skb_reserve(skb, ieee->tx_headroom); + + auth = (struct rtllib_authentication *) + skb_put(skb, sizeof(struct rtllib_authentication)); + + auth->status = cpu_to_le16(status); + auth->transaction = cpu_to_le16(2); + auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN); + + memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN); + memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(auth->header.addr1, dest, ETH_ALEN); + auth->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_AUTH); + return skb; + + +} + +struct sk_buff* rtllib_null_func(struct rtllib_device *ieee,short pwr) +{ + struct sk_buff *skb; + struct rtllib_hdr_3addr* hdr; + +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr=0; + int alignment=0; + skb = dev_alloc_skb(sizeof(struct rtllib_hdr_3addr) + ieee->tx_headroom + USB_512B_ALIGNMENT_SIZE); +#else + skb = dev_alloc_skb(sizeof(struct rtllib_hdr_3addr)+ieee->tx_headroom); +#endif + if (!skb) + return NULL; + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + skb_reserve(skb, ieee->tx_headroom); + + hdr = (struct rtllib_hdr_3addr*)skb_put(skb,sizeof(struct rtllib_hdr_3addr)); + + memcpy(hdr->addr1, ieee->current_network.bssid, ETH_ALEN); + memcpy(hdr->addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(hdr->addr3, ieee->current_network.bssid, ETH_ALEN); + + hdr->frame_ctl = cpu_to_le16(RTLLIB_FTYPE_DATA | + RTLLIB_STYPE_NULLFUNC | RTLLIB_FCTL_TODS | + (pwr ? RTLLIB_FCTL_PM:0)); + + return skb; + + +} + +struct sk_buff* rtllib_pspoll_func(struct rtllib_device *ieee) +{ + struct sk_buff *skb; + struct rtllib_pspoll_hdr* hdr; + +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr=0; + int alignment=0; + skb = dev_alloc_skb(sizeof(struct rtllib_pspoll_hdr) + ieee->tx_headroom + USB_512B_ALIGNMENT_SIZE); +#else + skb = dev_alloc_skb(sizeof(struct rtllib_pspoll_hdr)+ieee->tx_headroom); +#endif + if (!skb) + return NULL; + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + skb_reserve(skb, ieee->tx_headroom); + + hdr = (struct rtllib_pspoll_hdr*)skb_put(skb,sizeof(struct rtllib_pspoll_hdr)); + + memcpy(hdr->bssid, ieee->current_network.bssid, ETH_ALEN); + memcpy(hdr->ta, ieee->dev->dev_addr, ETH_ALEN); + + hdr->aid = cpu_to_le16(ieee->assoc_id | 0xc000); + hdr->frame_ctl = cpu_to_le16(RTLLIB_FTYPE_CTL |RTLLIB_STYPE_PSPOLL | RTLLIB_FCTL_PM); + + return skb; + +} + +void rtllib_resp_to_assoc_rq(struct rtllib_device *ieee, u8* dest) +{ + struct sk_buff *buf = rtllib_assoc_resp(ieee, dest); + + if (buf) + softmac_mgmt_xmit(buf, ieee); +} + + +void rtllib_resp_to_auth(struct rtllib_device *ieee, int s, u8* dest) +{ + struct sk_buff *buf = rtllib_auth_resp(ieee, s, dest); + + if (buf) + softmac_mgmt_xmit(buf, ieee); +} + + +void rtllib_resp_to_probe(struct rtllib_device *ieee, u8 *dest) +{ + + struct sk_buff *buf = rtllib_probe_resp(ieee, dest); + if (buf) + softmac_mgmt_xmit(buf, ieee); +} + + +inline int SecIsInPMKIDList(struct rtllib_device *ieee, u8 *bssid) +{ + int i = 0; + + do + { + if ((ieee->PMKIDList[i].bUsed) && (memcmp(ieee->PMKIDList[i].Bssid, bssid, ETH_ALEN) == 0)) + { + break; + } + else + { + i++; + } + } while (i < NUM_PMKID_CACHE); + + if (i == NUM_PMKID_CACHE) + { + i = -1; + } + else + { + } + + return (i); + +} + + +inline struct sk_buff *rtllib_association_req(struct rtllib_network *beacon,struct rtllib_device *ieee) +{ + struct sk_buff *skb; + + struct rtllib_assoc_request_frame *hdr; + u8 *tag, *ies; + int i; + u8* ht_cap_buf = NULL; + u8 ht_cap_len=0; + u8* realtek_ie_buf=NULL; + u8 realtek_ie_len=0; + int wpa_ie_len= ieee->wpa_ie_len; + int wps_ie_len = ieee->wps_ie_len; + unsigned int ckip_ie_len=0; + unsigned int ccxrm_ie_len=0; + unsigned int cxvernum_ie_len=0; + struct rtllib_crypt_data* crypt; + int encrypt; + int PMKCacheIdx; + + unsigned int rate_len = (beacon->rates_len?(beacon->rates_len+2):0) + (beacon->rates_ex_len?(beacon->rates_ex_len)+2:0); + + unsigned int wmm_info_len = beacon->qos_data.supported?9:0; + unsigned int turbo_info_len = beacon->Turbo_Enable?9:0; + + int len = 0; + crypt = ieee->crypt[ieee->tx_keyidx]; + if (crypt != NULL) { + encrypt = ieee->host_encrypt && crypt && crypt->ops && ((0 == strcmp(crypt->ops->name,"WEP") || wpa_ie_len)); + } else { + encrypt = 0; + } + +#ifdef ENABLE_TKIP11N + if (ieee->bForcedBgMode == true) +#else + if ((ieee->rtllib_ap_sec_type && (ieee->rtllib_ap_sec_type(ieee)&SEC_ALG_TKIP)) ||(ieee->bForcedBgMode == true)) +#endif + { + ieee->pHTInfo->bEnableHT = 0; + ieee->mode = WIRELESS_MODE_G; + } + + 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, true); + if (ieee->pHTInfo->bCurrentRT2RTAggregation) { + realtek_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer; + realtek_ie_len = sizeof( ieee->pHTInfo->szRT2RTAggBuffer); + HTConstructRT2RTAggElement(ieee, realtek_ie_buf, &realtek_ie_len); + + } + } + + if (beacon->bCkipSupported) + { + ckip_ie_len = 30+2; + } + if (beacon->bCcxRmEnable) + { + ccxrm_ie_len = 6+2; + } + if ( beacon->BssCcxVerNumber >= 2 ) + { + cxvernum_ie_len = 5+2; + } + + PMKCacheIdx = SecIsInPMKIDList(ieee, ieee->current_network.bssid); + if (PMKCacheIdx >= 0) + { + wpa_ie_len += 18; + printk("[PMK cache]: WPA2 IE length: %x\n", wpa_ie_len); + } + len = sizeof(struct rtllib_assoc_request_frame)+ 2 + + beacon->ssid_len + + rate_len + + wpa_ie_len + + wps_ie_len + + wmm_info_len + + turbo_info_len + + ht_cap_len + + realtek_ie_len + + ckip_ie_len + + ccxrm_ie_len + + cxvernum_ie_len + + ieee->tx_headroom; + +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr=0; + int alignment=0; + skb = dev_alloc_skb(len + USB_512B_ALIGNMENT_SIZE); +#else + skb = dev_alloc_skb(len); +#endif + + if (!skb) + return NULL; + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + + skb_reserve(skb, ieee->tx_headroom); + + hdr = (struct rtllib_assoc_request_frame *) + skb_put(skb, sizeof(struct rtllib_assoc_request_frame)+2); + + + hdr->header.frame_ctl = RTLLIB_STYPE_ASSOC_REQ; + hdr->header.duration_id= 37; + memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN); + memcpy(hdr->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(hdr->header.addr3, beacon->bssid, ETH_ALEN); + + memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN); + + hdr->capability = cpu_to_le16(WLAN_CAPABILITY_ESS); + if (beacon->capability & WLAN_CAPABILITY_PRIVACY ) + hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) + hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE); + + if (ieee->short_slot && (beacon->capability&WLAN_CAPABILITY_SHORT_SLOT_TIME)) + hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME); + + + hdr->listen_interval = beacon->listen_interval; + + hdr->info_element[0].id = MFIE_TYPE_SSID; + + hdr->info_element[0].len = beacon->ssid_len; + tag = skb_put(skb, beacon->ssid_len); + memcpy(tag, beacon->ssid, beacon->ssid_len); + + tag = skb_put(skb, rate_len); + + if (beacon->rates_len){ + *tag++ = MFIE_TYPE_RATES; + *tag++ = beacon->rates_len; + for (i=0;i<beacon->rates_len;i++){ + *tag++ = beacon->rates[i]; + } + } + + if (beacon->rates_ex_len){ + *tag++ = MFIE_TYPE_RATES_EX; + *tag++ = beacon->rates_ex_len; + for (i=0;i<beacon->rates_ex_len;i++){ + *tag++ = beacon->rates_ex[i]; + } + } + + if ( beacon->bCkipSupported ) + { + static u8 AironetIeOui[] = {0x00, 0x01, 0x66}; + u8 CcxAironetBuf[30]; + OCTET_STRING osCcxAironetIE; + + memset(CcxAironetBuf, 0,30); + osCcxAironetIE.Octet = CcxAironetBuf; + osCcxAironetIE.Length = sizeof(CcxAironetBuf); + memcpy(osCcxAironetIE.Octet, AironetIeOui, sizeof(AironetIeOui)); + + osCcxAironetIE.Octet[IE_CISCO_FLAG_POSITION] |= (SUPPORT_CKIP_PK|SUPPORT_CKIP_MIC) ; + tag = skb_put(skb, ckip_ie_len); + *tag++ = MFIE_TYPE_AIRONET; + *tag++ = osCcxAironetIE.Length; + memcpy(tag,osCcxAironetIE.Octet,osCcxAironetIE.Length); + tag += osCcxAironetIE.Length; + } + + if (beacon->bCcxRmEnable) + { + static u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01, 0x00}; + OCTET_STRING osCcxRmCap; + + osCcxRmCap.Octet = CcxRmCapBuf; + osCcxRmCap.Length = sizeof(CcxRmCapBuf); + tag = skb_put(skb,ccxrm_ie_len); + *tag++ = MFIE_TYPE_GENERIC; + *tag++ = osCcxRmCap.Length; + memcpy(tag,osCcxRmCap.Octet,osCcxRmCap.Length); + tag += osCcxRmCap.Length; + } + + if ( beacon->BssCcxVerNumber >= 2 ) + { + u8 CcxVerNumBuf[] = {0x00, 0x40, 0x96, 0x03, 0x00}; + OCTET_STRING osCcxVerNum; + CcxVerNumBuf[4] = beacon->BssCcxVerNumber; + osCcxVerNum.Octet = CcxVerNumBuf; + osCcxVerNum.Length = sizeof(CcxVerNumBuf); + tag = skb_put(skb,cxvernum_ie_len); + *tag++ = MFIE_TYPE_GENERIC; + *tag++ = osCcxVerNum.Length; + memcpy(tag,osCcxVerNum.Octet,osCcxVerNum.Length); + tag += osCcxVerNum.Length; + } + 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; + *tag++ = ht_cap_len - 2; + memcpy(tag, ht_cap_buf,ht_cap_len -2); + tag += ht_cap_len -2; + } + } + + + if (wpa_ie_len){ + tag = skb_put(skb, ieee->wpa_ie_len); + memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len); + + if (PMKCacheIdx >= 0) + { + tag = skb_put(skb, 18); + *tag = 1; + *(tag + 1) = 0; + memcpy((tag + 2), &ieee->PMKIDList[PMKCacheIdx].PMKID, 16); + } + } + if (wmm_info_len) { + tag = skb_put(skb,wmm_info_len); + rtllib_WMM_Info(ieee, &tag); + } + + if (wps_ie_len && ieee->wps_ie) { + tag = skb_put(skb, wps_ie_len); + memcpy(tag, ieee->wps_ie, wps_ie_len); + } + + tag = skb_put(skb,turbo_info_len); + if (turbo_info_len) + rtllib_TURBO_Info(ieee, &tag); + + 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_GENERIC; + *tag++ = ht_cap_len - 2; + memcpy(tag, ht_cap_buf,ht_cap_len - 2); + tag += ht_cap_len -2; + } + + if (ieee->pHTInfo->bCurrentRT2RTAggregation){ + tag = skb_put(skb, realtek_ie_len); + *tag++ = MFIE_TYPE_GENERIC; + *tag++ = realtek_ie_len - 2; + memcpy(tag, realtek_ie_buf,realtek_ie_len -2 ); + } + } + + if (ieee->assocreq_ies){ + kfree(ieee->assocreq_ies); + ieee->assocreq_ies = NULL; + } + ies = &(hdr->info_element[0].id); + ieee->assocreq_ies_len = (skb->data + skb->len) - ies; + ieee->assocreq_ies = kmalloc(ieee->assocreq_ies_len, GFP_ATOMIC); + if (ieee->assocreq_ies) + memcpy(ieee->assocreq_ies, ies, ieee->assocreq_ies_len); + else{ + printk("%s()Warning: can't alloc memory for assocreq_ies\n", __func__); + ieee->assocreq_ies_len = 0; + } + + return skb; +} + +void rtllib_associate_abort(struct rtllib_device *ieee) +{ + + unsigned long flags; + spin_lock_irqsave(&ieee->lock, flags); + + ieee->associate_seq++; + + /* don't scan, and avoid to have the RX path possibily + * try again to associate. Even do not react to AUTH or + * ASSOC response. Just wait for the retry wq to be scheduled. + * Here we will check if there are good nets to associate + * with, so we retry or just get back to NO_LINK and scanning + */ + if (ieee->state == RTLLIB_ASSOCIATING_AUTHENTICATING){ + RTLLIB_DEBUG_MGMT("Authentication failed\n"); + ieee->softmac_stats.no_auth_rs++; + }else{ + RTLLIB_DEBUG_MGMT("Association failed\n"); + ieee->softmac_stats.no_ass_rs++; + } + + ieee->state = RTLLIB_ASSOCIATING_RETRY; + + queue_delayed_work_rsl(ieee->wq, &ieee->associate_retry_wq, \ + RTLLIB_SOFTMAC_ASSOC_RETRY_TIME); + + spin_unlock_irqrestore(&ieee->lock, flags); +} + +void rtllib_associate_abort_cb(unsigned long dev) +{ + rtllib_associate_abort((struct rtllib_device *) dev); +} + +void rtllib_associate_step1(struct rtllib_device *ieee,u8 * daddr) +{ + struct rtllib_network *beacon = &ieee->current_network; + struct sk_buff *skb; + + RTLLIB_DEBUG_MGMT("Stopping scan\n"); + + ieee->softmac_stats.tx_auth_rq++; + + skb=rtllib_authentication_req(beacon, ieee, 0,daddr); + + if (!skb) + rtllib_associate_abort(ieee); + else{ + ieee->state = RTLLIB_ASSOCIATING_AUTHENTICATING ; + RTLLIB_DEBUG_MGMT("Sending authentication request\n"); + softmac_mgmt_xmit(skb, ieee); + if (!timer_pending(&ieee->associate_timer)){ + ieee->associate_timer.expires = jiffies + (HZ / 2); + add_timer(&ieee->associate_timer); + } + } +} + +void rtllib_auth_challenge(struct rtllib_device *ieee, u8 *challenge, int chlen) +{ + u8 *c; + struct sk_buff *skb; + struct rtllib_network *beacon = &ieee->current_network; + + ieee->associate_seq++; + ieee->softmac_stats.tx_auth_rq++; + + skb = rtllib_authentication_req(beacon, ieee, chlen+2,beacon->bssid); + + if (!skb) + rtllib_associate_abort(ieee); + else{ + c = skb_put(skb, chlen+2); + *(c++) = MFIE_TYPE_CHALLENGE; + *(c++) = chlen; + memcpy(c, challenge, chlen); + + RTLLIB_DEBUG_MGMT("Sending authentication challenge response\n"); + + rtllib_encrypt_fragment(ieee, skb, sizeof(struct rtllib_hdr_3addr )); + + softmac_mgmt_xmit(skb, ieee); + mod_timer(&ieee->associate_timer, jiffies + (HZ/2)); + } + kfree(challenge); +} + +void rtllib_associate_step2(struct rtllib_device *ieee) +{ + struct sk_buff* skb; + struct rtllib_network *beacon = &ieee->current_network; + + del_timer_sync(&ieee->associate_timer); + + RTLLIB_DEBUG_MGMT("Sending association request\n"); + + ieee->softmac_stats.tx_ass_rq++; + skb=rtllib_association_req(beacon, ieee); + if (!skb) + rtllib_associate_abort(ieee); + else{ + softmac_mgmt_xmit(skb, ieee); + mod_timer(&ieee->associate_timer, jiffies + (HZ/2)); + } +} + +#define CANCELLED 2 +void rtllib_associate_complete_wq(void *data) +{ + struct rtllib_device *ieee = (struct rtllib_device *)container_of_work_rsl(data, struct rtllib_device, associate_complete_wq); + PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(ieee->PowerSaveControl)); + printk(KERN_INFO "Associated successfully\n"); + if (ieee->is_silent_reset == 0){ + printk("normal associate\n"); + notify_wx_assoc_event(ieee); + } + + netif_carrier_on(ieee->dev); + ieee->is_roaming = false; + if (rtllib_is_54g(&ieee->current_network) && + (ieee->modulation & RTLLIB_OFDM_MODULATION)){ + + ieee->rate = 108; + printk(KERN_INFO"Using G rates:%d\n", ieee->rate); + }else{ + ieee->rate = 22; + ieee->SetWirelessMode(ieee->dev, IEEE_B); + printk(KERN_INFO"Using B rates:%d\n", ieee->rate); + } + if (ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT) + { + printk("Successfully associated, ht enabled\n"); + HTOnAssocRsp(ieee); + } else { + printk("Successfully associated, ht not enabled(%d, %d)\n", + ieee->pHTInfo->bCurrentHTSupport, ieee->pHTInfo->bEnableHT); + memset(ieee->dot11HTOperationalRateSet, 0, 16); + } + ieee->LinkDetectInfo.SlotNum = 2 * (1 + ieee->current_network.beacon_interval/500); + if (ieee->LinkDetectInfo.NumRecvBcnInPeriod==0||ieee->LinkDetectInfo.NumRecvDataInPeriod==0 ) + { + ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1; + ieee->LinkDetectInfo.NumRecvDataInPeriod= 1; + } + pPSC->LpsIdleCount = 0; + ieee->link_change(ieee->dev); + + if (ieee->is_silent_reset == 1) { + printk("silent reset associate\n"); + ieee->is_silent_reset = 0; + } + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + +#ifdef RTK_DMP_PLATFORM + kobject_hotplug(&ieee->dev->class_dev.kobj, KOBJ_LINKUP); +#endif +} + +static void rtllib_sta_send_associnfo(struct rtllib_device *ieee) +{ + char *buf; + size_t len; + int i; + union iwreq_data wrqu; + + return; + + + buf = kmalloc(50 + 2 * (ieee->assocreq_ies_len + ieee->assocresp_ies_len), GFP_ATOMIC); + if (!buf) + return; + + len = sprintf(buf, "ASSOCINFO("); + if (ieee->assocreq_ies) { + len += sprintf(buf + len, "ReqIEs="); + for (i = 0; i < ieee->assocreq_ies_len; i++) { + len += sprintf(buf + len, "%02x", ieee->assocreq_ies[i]); + } + } + if (ieee->assocresp_ies) { + if (ieee->assocreq_ies) + len += sprintf(buf + len, " "); + len += sprintf(buf + len, "RespIEs="); + for (i = 0; i < ieee->assocresp_ies_len; i++) { + len += sprintf(buf + len, "%02x", ieee->assocresp_ies[i]); + } + } + len += sprintf(buf + len, ")"); + + if (len > IW_CUSTOM_MAX) { + len = sprintf(buf, "ASSOCRESPIE="); + for (i = 0; i < ieee->assocresp_ies_len; i++) { + len += sprintf(buf + len, "%02x", ieee->assocresp_ies[i]); + } + } + + if (len <= IW_CUSTOM_MAX) { + memset(&wrqu, 0, sizeof(wrqu)); + wrqu.data.length = len; + wireless_send_event(ieee->dev, IWEVCUSTOM, &wrqu, buf); + } + + kfree(buf); +} + +void rtllib_associate_complete(struct rtllib_device *ieee) +{ + del_timer_sync(&ieee->associate_timer); + + ieee->state = RTLLIB_LINKED; + rtllib_sta_send_associnfo(ieee); + + queue_work_rsl(ieee->wq, &ieee->associate_complete_wq); +} + +void rtllib_associate_procedure_wq(void *data) +{ + struct rtllib_device *ieee = container_of_dwork_rsl(data, struct rtllib_device, associate_procedure_wq); + rtllib_stop_scan_syncro(ieee); + if (ieee->rtllib_ips_leave != NULL) + ieee->rtllib_ips_leave(ieee->dev); + down(&ieee->wx_sem); + + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); + + rtllib_stop_scan(ieee); + RT_TRACE(COMP_DBG, "===>%s(), chan:%d\n", __func__, ieee->current_network.channel); + HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); + if (ieee->eRFPowerState == eRfOff) + { + RT_TRACE(COMP_DBG, "=============>%s():Rf state is eRfOff, schedule ipsleave wq again,return\n",__func__); + if (ieee->rtllib_ips_leave_wq != NULL) + ieee->rtllib_ips_leave_wq(ieee->dev); + up(&ieee->wx_sem); + return; + } + ieee->associate_seq = 1; + + rtllib_associate_step1(ieee, ieee->current_network.bssid); + + up(&ieee->wx_sem); +} + +inline void rtllib_softmac_new_net(struct rtllib_device *ieee, struct rtllib_network *net) +{ + u8 tmp_ssid[IW_ESSID_MAX_SIZE+1]; + int tmp_ssid_len = 0; + + short apset,ssidset,ssidbroad,apmatch,ssidmatch; + + /* we are interested in new new only if we are not associated + * and we are not associating / authenticating + */ + if (ieee->state != RTLLIB_NOLINK) + return; + + if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_ESS)) + return; + + if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS)) + return; + + if ((ieee->iw_mode == IW_MODE_ADHOC) && (net->channel > ieee->ibss_maxjoin_chal)) { + 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 + * broadcast it, it can be put manually. + */ + apset = ieee->wap_set; + ssidset = ieee->ssid_set; + ssidbroad = !(net->ssid_len == 0 || net->ssid[0]== '\0'); + apmatch = (memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN)==0); + if (!ssidbroad){ + ssidmatch = (ieee->current_network.ssid_len == net->hidden_ssid_len)&&\ + (!strncmp(ieee->current_network.ssid, net->hidden_ssid, net->hidden_ssid_len)); + if (net->hidden_ssid_len > 0) + { + strncpy(net->ssid, net->hidden_ssid, net->hidden_ssid_len); + net->ssid_len = net->hidden_ssid_len; + ssidbroad = 1; + } + } + else + 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 + * if the network does broadcast and the user did set essid chech if essid match + */ + ( apset && apmatch && + ((ssidset && ssidbroad && ssidmatch) || (ssidbroad && !ssidset) || (!ssidbroad && ssidset)) ) + /* if the ap is not set, check that the user set the bssid + * and the network does bradcast and that those two bssid matches + */ + || (!apset && ssidset && ssidbroad && ssidmatch) || (ieee->is_roaming && ssidset && ssidbroad && ssidmatch) + ){ + /* if the essid is hidden replace it with the + * essid provided by the user. + */ + 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 rtllib_network)); + if (!ssidbroad){ + strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE); + ieee->current_network.ssid_len = tmp_ssid_len; + } + printk(KERN_INFO"Linking with %s,channel:%d, qos:%d, myHT:%d, networkHT:%d, mode:%x cur_net.flags:0x%x\n",ieee->current_network.ssid,ieee->current_network.channel, ieee->current_network.qos_data.supported, ieee->pHTInfo->bEnableHT, ieee->current_network.bssht.bdSupportHT, ieee->current_network.mode, ieee->current_network.flags); + + if ((rtllib_act_scanning(ieee, false)) && !(ieee->softmac_features & IEEE_SOFTMAC_SCAN)){ + rtllib_stop_scan_syncro(ieee); + } + + ieee->hwscan_ch_bk = ieee->current_network.channel; + HTResetIOTSetting(ieee->pHTInfo); + ieee->wmm_acm = 0; + if (ieee->iw_mode == IW_MODE_INFRA) { + /* Join the network for the first time */ + ieee->AsocRetryCount = 0; + if ((ieee->current_network.qos_data.supported == 1) && + ieee->current_network.bssht.bdSupportHT) + HTResetSelfAndSavePeerSetting(ieee, &(ieee->current_network)); + else + ieee->pHTInfo->bCurrentHTSupport = false; + + ieee->state = RTLLIB_ASSOCIATING; + if (ieee->LedControlHandler != NULL) + ieee->LedControlHandler(ieee->dev, LED_CTL_START_TO_LINK); + queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 0); + } else { + if (rtllib_is_54g(&ieee->current_network) && + (ieee->modulation & RTLLIB_OFDM_MODULATION)){ + ieee->rate = 108; + ieee->SetWirelessMode(ieee->dev, IEEE_G); + printk(KERN_INFO"Using G rates\n"); + }else{ + ieee->rate = 22; + ieee->SetWirelessMode(ieee->dev, IEEE_B); + printk(KERN_INFO"Using B rates\n"); + } + memset(ieee->dot11HTOperationalRateSet, 0, 16); + ieee->state = RTLLIB_LINKED; + } + + } + } + +} + +void rtllib_softmac_check_all_nets(struct rtllib_device *ieee) +{ + unsigned long flags; + struct rtllib_network *target; + + spin_lock_irqsave(&ieee->lock, flags); + + list_for_each_entry(target, &ieee->network_list, list) { + + /* if the state become different that NOLINK means + * we had found what we are searching for + */ + + if (ieee->state != RTLLIB_NOLINK) + break; + + if (ieee->scan_age == 0 || time_after(target->last_scanned + ieee->scan_age, jiffies)) + rtllib_softmac_new_net(ieee, target); + } + + spin_unlock_irqrestore(&ieee->lock, flags); + +} + + +static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen) +{ + struct rtllib_authentication *a; + u8 *t; + if (skb->len < (sizeof(struct rtllib_authentication)-sizeof(struct rtllib_info_element))){ + RTLLIB_DEBUG_MGMT("invalid len in auth resp: %d\n",skb->len); + return 0xcafe; + } + *challenge = NULL; + a = (struct rtllib_authentication*) skb->data; + if (skb->len > (sizeof(struct rtllib_authentication) +3)){ + t = skb->data + sizeof(struct rtllib_authentication); + + if (*(t++) == MFIE_TYPE_CHALLENGE){ + *chlen = *(t++); + *challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC); + memcpy(*challenge, t, *chlen); + } + } + + return cpu_to_le16(a->status); + +} + + +int auth_rq_parse(struct sk_buff *skb,u8* dest) +{ + struct rtllib_authentication *a; + + if (skb->len < (sizeof(struct rtllib_authentication)-sizeof(struct rtllib_info_element))){ + RTLLIB_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len); + return -1; + } + a = (struct rtllib_authentication*) skb->data; + + memcpy(dest,a->header.addr2, ETH_ALEN); + + if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN) + return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; + + return WLAN_STATUS_SUCCESS; +} + +static short probe_rq_parse(struct rtllib_device *ieee, struct sk_buff *skb, u8 *src) +{ + u8 *tag; + u8 *skbend; + u8 *ssid=NULL; + u8 ssidlen = 0; + + struct rtllib_hdr_3addr *header = + (struct rtllib_hdr_3addr *) skb->data; + + if (skb->len < sizeof (struct rtllib_hdr_3addr )) + return -1; /* corrupted */ + if ((memcmp(header->addr3,ieee->current_network.bssid,ETH_ALEN) != 0)&& + (memcmp(header->addr3,"\xff\xff\xff\xff\xff\xff",ETH_ALEN) != 0)) { + return -1; + } + + if (memcmp(header->addr3,ieee->current_network.bssid,ETH_ALEN) == 0) { + } + + if (memcmp(header->addr3,"\xff\xff\xff\xff\xff\xff",ETH_ALEN) == 0) { + } + memcpy(src,header->addr2, ETH_ALEN); + + skbend = (u8*)skb->data + skb->len; + + tag = skb->data + sizeof (struct rtllib_hdr_3addr ); + + while (tag+1 < skbend){ + if (*tag == 0){ + ssid = tag+2; + ssidlen = *(tag+1); + break; + } + tag++; /* point to the len field */ + tag = tag + *(tag); /* point to the last data byte of the tag */ + tag++; /* point to the next tag */ + } + + if (ssidlen == 0) return 1; + + if (!ssid) return 1; /* ssid not found in tagged param */ + return (!strncmp(ssid, ieee->current_network.ssid, ssidlen)); + +} + +int assoc_rq_parse(struct sk_buff *skb,u8* dest) +{ + struct rtllib_assoc_request_frame *a; + + if (skb->len < (sizeof(struct rtllib_assoc_request_frame) - + sizeof(struct rtllib_info_element))) { + + RTLLIB_DEBUG_MGMT("invalid len in auth request:%d \n", skb->len); + return -1; + } + + a = (struct rtllib_assoc_request_frame*) skb->data; + + memcpy(dest,a->header.addr2,ETH_ALEN); + + return 0; +} + +static inline u16 assoc_parse(struct rtllib_device *ieee, struct sk_buff *skb, int *aid) +{ + struct rtllib_assoc_response_frame *response_head; + u16 status_code; + + if (skb->len < sizeof(struct rtllib_assoc_response_frame)){ + RTLLIB_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len); + return 0xcafe; + } + + response_head = (struct rtllib_assoc_response_frame*) skb->data; + *aid = le16_to_cpu(response_head->aid) & 0x3fff; + + status_code = le16_to_cpu(response_head->status); + if ((status_code==WLAN_STATUS_ASSOC_DENIED_RATES || \ + status_code==WLAN_STATUS_CAPS_UNSUPPORTED)&& + ((ieee->mode == IEEE_G) && + (ieee->current_network.mode == IEEE_N_24G) && + (ieee->AsocRetryCount++ < (RT_ASOC_RETRY_LIMIT-1)))) { + ieee->pHTInfo->IOTAction |= HT_IOT_ACT_PURE_N_MODE; + }else { + ieee->AsocRetryCount = 0; + } + + return le16_to_cpu(response_head->status); +} + +void rtllib_rx_probe_rq(struct rtllib_device *ieee, struct sk_buff *skb) +{ + u8 dest[ETH_ALEN]; +#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE) + struct sta_info *psta = NULL; +#endif + ieee->softmac_stats.rx_probe_rq++; + if (probe_rq_parse(ieee, skb, dest) > 0){ + ieee->softmac_stats.tx_probe_rs++; + rtllib_resp_to_probe(ieee, dest); +#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE) + if (ieee->iw_mode == IW_MODE_ADHOC){ + psta = GetStaInfo(ieee, dest); + if (NULL != psta) + psta->LastActiveTime = jiffies; + } +#endif + } +} + +static inline void rtllib_rx_auth_rq(struct rtllib_device *ieee, struct sk_buff *skb) +{ + u8 dest[ETH_ALEN]; + int status; + ieee->softmac_stats.rx_auth_rq++; + + if ((status = auth_rq_parse(skb, dest))!= -1){ + rtllib_resp_to_auth(ieee, status, dest); + } + +} + +static inline void rtllib_rx_assoc_rq(struct rtllib_device *ieee, struct sk_buff *skb) +{ + + u8 dest[ETH_ALEN]; + + ieee->softmac_stats.rx_ass_rq++; + if (assoc_rq_parse(skb,dest) != -1){ + rtllib_resp_to_assoc_rq(ieee, dest); + } + + printk(KERN_INFO"New client associated: "MAC_FMT"\n", MAC_ARG(dest)); +} + + +void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr) +{ + + struct sk_buff *buf = rtllib_null_func(ieee, pwr); + + if (buf) + softmac_ps_mgmt_xmit(buf, ieee); + +} + +void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee) +{ + + struct sk_buff *buf = rtllib_pspoll_func(ieee); + + if (buf) + softmac_ps_mgmt_xmit(buf, ieee); + +} + +short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u32 *time_h, u32 *time_l) +{ + int timeout = ieee->ps_timeout; + u8 dtim; + PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(ieee->PowerSaveControl)); + /*if (ieee->ps == RTLLIB_PS_DISABLED || + ieee->iw_mode != IW_MODE_INFRA || + ieee->state != RTLLIB_LINKED) + + return 0; + */ + + if (ieee->LPSDelayCnt) + { + ieee->LPSDelayCnt --; + return 0; + } + + dtim = ieee->current_network.dtim_data; + if (!(dtim & RTLLIB_DTIM_VALID)) + return 0; + timeout = ieee->current_network.beacon_interval; + ieee->current_network.dtim_data = RTLLIB_DTIM_INVALID; + /* there's no need to nofity AP that I find you buffered with broadcast packet */ + if (dtim & (RTLLIB_DTIM_UCAST & ieee->ps)) + return 2; + + if (!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout))){ + return 0; + } + if (!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout))){ + return 0; + } + if ((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) && + (ieee->mgmt_queue_tail != ieee->mgmt_queue_head)) + return 0; + + if (time_l){ + if (ieee->bAwakePktSent == true) { + pPSC->LPSAwakeIntvl = 1; + } else { + u8 MaxPeriod = 1; + + if (pPSC->LPSAwakeIntvl == 0) + pPSC->LPSAwakeIntvl = 1; + if (pPSC->RegMaxLPSAwakeIntvl == 0) + MaxPeriod = 1; + else if (pPSC->RegMaxLPSAwakeIntvl == 0xFF) + MaxPeriod = ieee->current_network.dtim_period; + else + MaxPeriod = pPSC->RegMaxLPSAwakeIntvl; + pPSC->LPSAwakeIntvl = (pPSC->LPSAwakeIntvl >= MaxPeriod) ? MaxPeriod : (pPSC->LPSAwakeIntvl + 1); + } + { + u8 LPSAwakeIntvl_tmp = 0; + u8 period = ieee->current_network.dtim_period; + u8 count = ieee->current_network.tim.tim_count; + if (count == 0 ) { + if (pPSC->LPSAwakeIntvl > period) + LPSAwakeIntvl_tmp = period + (pPSC->LPSAwakeIntvl - period) -((pPSC->LPSAwakeIntvl-period)%period); + else + LPSAwakeIntvl_tmp = pPSC->LPSAwakeIntvl; + + } else { + if (pPSC->LPSAwakeIntvl > ieee->current_network.tim.tim_count) + LPSAwakeIntvl_tmp = count + (pPSC->LPSAwakeIntvl - count) -((pPSC->LPSAwakeIntvl-count)%period); + else + LPSAwakeIntvl_tmp = pPSC->LPSAwakeIntvl; + } + + *time_l = ieee->current_network.last_dtim_sta_time[0] + + MSECS(ieee->current_network.beacon_interval * LPSAwakeIntvl_tmp); + } + } + + 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; + } + + return 1; + + +} + +inline void rtllib_sta_ps(struct rtllib_device *ieee) +{ + + u32 th,tl; + short sleep; + + unsigned long flags,flags2; + + spin_lock_irqsave(&ieee->lock, flags); + + if ((ieee->ps == RTLLIB_PS_DISABLED || + ieee->iw_mode != IW_MODE_INFRA || + ieee->state != RTLLIB_LINKED)){ + + RT_TRACE(COMP_DBG, "=====>%s(): no need to ps,wake up!! ieee->ps is %d,ieee->iw_mode is %d,ieee->state is %d\n", + __func__,ieee->ps,ieee->iw_mode,ieee->state); + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + rtllib_sta_wakeup(ieee, 1); + + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + + sleep = rtllib_sta_ps_sleep(ieee,&th, &tl); + /* 2 wake, 1 sleep, 0 do nothing */ + if (sleep == 0) + { + goto out; + } + if (sleep == 1){ + if (ieee->sta_sleep == LPS_IS_SLEEP){ + ieee->enter_sleep_state(ieee->dev,th,tl); + } + + else if (ieee->sta_sleep == LPS_IS_WAKE){ + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + if (ieee->ps_is_queue_empty(ieee->dev)){ + ieee->sta_sleep = LPS_WAIT_NULL_DATA_SEND; + ieee->ack_tx_to_ieee = 1; + rtllib_sta_ps_send_null_frame(ieee,1); + ieee->ps_th = th; + ieee->ps_tl = tl; + } + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + + } + + ieee->bAwakePktSent = false; + + }else if (sleep == 2){ + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + rtllib_sta_wakeup(ieee,1); + + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + +out: + spin_unlock_irqrestore(&ieee->lock, flags); + +} + +void rtllib_sta_wakeup(struct rtllib_device *ieee, short nl) +{ + if (ieee->sta_sleep == LPS_IS_WAKE){ + if (nl){ + if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING) + { + ieee->ack_tx_to_ieee = 1; + rtllib_sta_ps_send_null_frame(ieee, 0); + } + else + { + ieee->ack_tx_to_ieee = 1; + rtllib_sta_ps_send_pspoll_frame(ieee); + } + } + return; + + } + + if (ieee->sta_sleep == LPS_IS_SLEEP) + ieee->sta_wake_up(ieee->dev); + if (nl){ + /* + ieee->ack_tx_to_ieee = 1; + printk("%s(3): notify AP we are awaked ++++++++++ SendNullFunctionData\n", __func__); + rtllib_sta_ps_send_null_frame(ieee, 0); + */ + if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING) + { + ieee->ack_tx_to_ieee = 1; + rtllib_sta_ps_send_null_frame(ieee, 0); + } + else + { + ieee->ack_tx_to_ieee = 1; + ieee->polling = true; + rtllib_sta_ps_send_pspoll_frame(ieee); + } + + } else { + ieee->sta_sleep = LPS_IS_WAKE; + ieee->polling = false; + } +} + +void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success) +{ + unsigned long flags,flags2; + + spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->sta_sleep == LPS_WAIT_NULL_DATA_SEND){ + /* Null frame with PS bit set */ + if (success){ + ieee->sta_sleep = LPS_IS_SLEEP; + ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl); + } + /* if the card report not success we can't be sure the AP + * has not RXed so we can't assume the AP believe us awake + */ + } else {/* 21112005 - tx again null without PS bit if lost */ + + if ((ieee->sta_sleep == LPS_IS_WAKE) && !success){ + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + if (ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING) + { + rtllib_sta_ps_send_null_frame(ieee, 0); + } + else + { + rtllib_sta_ps_send_pspoll_frame(ieee); + } + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + } + spin_unlock_irqrestore(&ieee->lock, flags); +} + +void rtllib_process_action(struct rtllib_device* ieee, struct sk_buff* skb) +{ + struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data; + u8* act = rtllib_get_payload((struct rtllib_hdr *)header); + u8 category = 0; + + if (act == NULL) { + RTLLIB_DEBUG(RTLLIB_DL_ERR, "error to get payload of action frame\n"); + return; + } + + category = *act; + act ++; + switch (category) { + case ACT_CAT_BA: + switch (*act) { + case ACT_ADDBAREQ: + rtllib_rx_ADDBAReq(ieee, skb); + break; + case ACT_ADDBARSP: + rtllib_rx_ADDBARsp(ieee, skb); + break; + case ACT_DELBA: + rtllib_rx_DELBA(ieee, skb); + break; + } + break; + default: + break; + } + return; +} + +inline int rtllib_rx_assoc_resp(struct rtllib_device *ieee, struct sk_buff *skb, struct rtllib_rx_stats *rx_stats) +{ + u16 errcode; + int aid; + u8* ies; + struct rtllib_assoc_response_frame *assoc_resp; + struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data; + + RTLLIB_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n", + WLAN_FC_GET_STYPE(header->frame_ctl)); + + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + ieee->state == RTLLIB_ASSOCIATING_AUTHENTICATED && + (ieee->iw_mode == IW_MODE_INFRA)) + { + if (0 == (errcode=assoc_parse(ieee,skb, &aid))){ + struct rtllib_network *network = kzalloc(sizeof(struct rtllib_network), GFP_ATOMIC); + + if (!network) + return 1; + memset(network,0,sizeof(*network)); + ieee->state=RTLLIB_LINKED; + ieee->assoc_id = aid; + ieee->softmac_stats.rx_ass_ok++; + /* station support qos */ + /* Let the register setting defaultly with Legacy station */ + assoc_resp = (struct rtllib_assoc_response_frame*)skb->data; + if (ieee->current_network.qos_data.supported == 1) { + if (rtllib_parse_info_param(ieee,assoc_resp->info_element,\ + rx_stats->len - sizeof(*assoc_resp),\ + network,rx_stats)){ + kfree(network); + return 1; + } + else + { + memcpy(ieee->pHTInfo->PeerHTCapBuf, network->bssht.bdHTCapBuf, network->bssht.bdHTCapLen); + memcpy(ieee->pHTInfo->PeerHTInfoBuf, network->bssht.bdHTInfoBuf, network->bssht.bdHTInfoLen); + } + if (ieee->handle_assoc_response != NULL) + ieee->handle_assoc_response(ieee->dev, (struct rtllib_assoc_response_frame*)header, network); + kfree(network); + } + + if (ieee->assocresp_ies){ + kfree(ieee->assocresp_ies); + ieee->assocresp_ies = NULL; + } + ies = &(assoc_resp->info_element[0].id); + ieee->assocresp_ies_len = (skb->data + skb->len) - ies; + ieee->assocresp_ies = kmalloc(ieee->assocresp_ies_len, GFP_ATOMIC); + if (ieee->assocresp_ies) + memcpy(ieee->assocresp_ies, ies, ieee->assocresp_ies_len); + else{ + printk("%s()Warning: can't alloc memory for assocresp_ies\n", __func__); + ieee->assocresp_ies_len = 0; + } + rtllib_associate_complete(ieee); + } else { + /* aid could not been allocated */ + ieee->softmac_stats.rx_ass_err++; + printk( + "Association response status code 0x%x\n", + errcode); + RTLLIB_DEBUG_MGMT( + "Association response status code 0x%x\n", + errcode); + if (ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT) { + queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 0); + } else { + rtllib_associate_abort(ieee); + } + } + } + + return 0; +} + +inline int rtllib_rx_auth(struct rtllib_device *ieee, struct sk_buff *skb, struct rtllib_rx_stats *rx_stats) +{ + u16 errcode; + u8* challenge; + int chlen=0; + bool bSupportNmode = true, bHalfSupportNmode = false; + + if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){ + if (ieee->state == RTLLIB_ASSOCIATING_AUTHENTICATING && + (ieee->iw_mode == IW_MODE_INFRA)) { + RTLLIB_DEBUG_MGMT("Received authentication response"); + + if (0 == (errcode=auth_parse(skb, &challenge, &chlen))) { + if (ieee->open_wep || !challenge){ + ieee->state = RTLLIB_ASSOCIATING_AUTHENTICATED; + ieee->softmac_stats.rx_auth_rs_ok++; + if (!(ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE)) + { + if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) + { + if (IsHTHalfNmodeAPs(ieee)) + { + bSupportNmode = true; + bHalfSupportNmode = true; + } + else + { + bSupportNmode = false; + bHalfSupportNmode = false; + } + } + } + /* Dummy wirless mode setting to avoid encryption issue */ + if (bSupportNmode) { + ieee->SetWirelessMode(ieee->dev, \ + ieee->current_network.mode); + }else{ + /*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; + + rtllib_associate_step2(ieee); + }else{ + rtllib_auth_challenge(ieee, challenge, chlen); + } + }else{ + ieee->softmac_stats.rx_auth_rs_err++; + RTLLIB_DEBUG_MGMT("Authentication respose status code 0x%x",errcode); + + printk("Authentication respose status code 0x%x",errcode); + rtllib_associate_abort(ieee); + } + + }else if (ieee->iw_mode == IW_MODE_MASTER){ + rtllib_rx_auth_rq(ieee, skb); + } + } + + return 0; +} + +inline int rtllib_rx_deauth(struct rtllib_device *ieee, struct sk_buff *skb) +{ + struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data; + + if (memcmp(header->addr3, ieee->current_network.bssid, ETH_ALEN) != 0) + return 0; + + /* FIXME for now repeat all the association procedure + * both for disassociation and deauthentication + */ + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + ieee->state == RTLLIB_LINKED && + (ieee->iw_mode == IW_MODE_INFRA)) { + printk(KERN_INFO "==========>received disassoc/deauth(%x) " + "frame, reason code:%x\n", + WLAN_FC_GET_STYPE(header->frame_ctl), + ((struct rtllib_disassoc*)skb->data)->reason); + ieee->state = RTLLIB_ASSOCIATING; + ieee->softmac_stats.reassoc++; + ieee->is_roaming = true; + ieee->LinkDetectInfo.bBusyTraffic = false; + rtllib_disassociate(ieee); + RemovePeerTS(ieee, header->addr2); + if (ieee->LedControlHandler != NULL) + ieee->LedControlHandler(ieee->dev, LED_CTL_START_TO_LINK); + + if (!(ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_CCMP|SEC_ALG_TKIP))) + queue_delayed_work_rsl(ieee->wq, &ieee->associate_procedure_wq, 5); + } + + return 0; +} + +inline int rtllib_rx_frame_softmac(struct rtllib_device *ieee, struct sk_buff *skb, + struct rtllib_rx_stats *rx_stats, u16 type, + u16 stype) +{ + struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data; + + if (!ieee->proto_started) + return 0; + + switch (WLAN_FC_GET_STYPE(header->frame_ctl)) { + + case RTLLIB_STYPE_ASSOC_RESP: + case RTLLIB_STYPE_REASSOC_RESP: + + if (rtllib_rx_assoc_resp(ieee, skb, rx_stats) == 1) + return 1; + + break; + + case RTLLIB_STYPE_ASSOC_REQ: + case RTLLIB_STYPE_REASSOC_REQ: + + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + ieee->iw_mode == IW_MODE_MASTER) + + rtllib_rx_assoc_rq(ieee, skb); + break; + + case RTLLIB_STYPE_AUTH: + + rtllib_rx_auth(ieee, skb, rx_stats); + + break; + case RTLLIB_STYPE_DISASSOC: + case RTLLIB_STYPE_DEAUTH: + + rtllib_rx_deauth(ieee, skb); + + break; + + case RTLLIB_STYPE_MANAGE_ACT: + rtllib_process_action(ieee,skb); + break; +#ifdef COMPATIBLE_WITH_RALINK_MESH + case RTLLIB_STYPE_MESH_ACT: + rtllib_process_action_mesh(ieee,skb,rx_stats); + break; +#endif + default: + return -1; + break; + } + + return 0; +} + +/* following are for a simplier 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 + * to keep N free descriptors where + * N = MAX_PACKET_SIZE / MIN_FRAG_TRESHOLD + * 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. + */ +void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee) +{ + + unsigned int queue_index = txb->queue_index; + unsigned long flags; + int i; + cb_desc *tcb_desc = NULL; + unsigned long queue_len = 0; + + spin_lock_irqsave(&ieee->lock,flags); + + /* called with 2nd parm 0, no tx mgmt lock required */ + rtllib_sta_wakeup(ieee,0); + + /* update the tx status */ + tcb_desc = (cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE); + if (tcb_desc->bMulticast) { + ieee->stats.multicast++; + } +#if 1 + /* if xmit available, just xmit it immediately, else just insert it to the wait queue */ + for (i = 0; i < txb->nr_frags; i++) { +#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE + queue_len = skb_queue_len(&ieee->skb_drv_aggQ[queue_index]); +#else + queue_len = skb_queue_len(&ieee->skb_waitQ[queue_index]); +#endif + if ((queue_len != 0) ||\ + (!ieee->check_nic_enough_desc(ieee->dev,queue_index))||\ + (ieee->queue_stop)) { + /* insert the skb packet to the wait queue */ + /* as for the completion function, it does not need + * to check it any more. + * */ +#ifdef WIFI_TEST + if (1) +#else + if (queue_len < 200) +#endif + { +#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE + skb_queue_tail(&ieee->skb_drv_aggQ[queue_index], txb->fragments[i]); +#else + skb_queue_tail(&ieee->skb_waitQ[queue_index], txb->fragments[i]); +#endif + }else{ + kfree_skb(txb->fragments[i]); + } + }else{ + ieee->softmac_data_hard_start_xmit( + txb->fragments[i], + ieee->dev,ieee->rate); + } + } +#endif + rtllib_txb_free(txb); + + spin_unlock_irqrestore(&ieee->lock,flags); + +} + +/* called with ieee->lock acquired */ +void rtllib_resume_tx(struct rtllib_device *ieee) +{ + int i; + for (i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) { + + if (ieee->queue_stop){ + ieee->tx_pending.frag = i; + return; + }else{ + + ieee->softmac_data_hard_start_xmit( + ieee->tx_pending.txb->fragments[i], + ieee->dev,ieee->rate); + ieee->stats.tx_packets++; + } + } + + rtllib_txb_free(ieee->tx_pending.txb); + ieee->tx_pending.txb = NULL; +} + + +void rtllib_reset_queue(struct rtllib_device *ieee) +{ + unsigned long flags; + + spin_lock_irqsave(&ieee->lock,flags); + init_mgmt_queue(ieee); + if (ieee->tx_pending.txb){ + rtllib_txb_free(ieee->tx_pending.txb); + ieee->tx_pending.txb = NULL; + } + ieee->queue_stop = 0; + spin_unlock_irqrestore(&ieee->lock,flags); + +} + +void rtllib_wake_queue(struct rtllib_device *ieee) +{ + + unsigned long flags; + struct sk_buff *skb; + struct rtllib_hdr_3addr *header; + + spin_lock_irqsave(&ieee->lock,flags); + if (! ieee->queue_stop) goto exit; + + ieee->queue_stop = 0; + + if (ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE){ + while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))){ + + header = (struct rtllib_hdr_3addr *) skb->data; + + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + } + } + if (!ieee->queue_stop && ieee->tx_pending.txb) + rtllib_resume_tx(ieee); + + if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)){ + ieee->softmac_stats.swtxawake++; + netif_wake_queue(ieee->dev); + } + +exit : + spin_unlock_irqrestore(&ieee->lock,flags); +} + + +void rtllib_stop_queue(struct rtllib_device *ieee) +{ + + if (! netif_queue_stopped(ieee->dev)){ + netif_stop_queue(ieee->dev); + ieee->softmac_stats.swtxstop++; + } + ieee->queue_stop = 1; + +} + +void rtllib_stop_all_queues(struct rtllib_device *ieee) +{ +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,30) + unsigned int i; + for (i=0; i < ieee->dev->num_tx_queues; i++) + netdev_get_tx_queue(ieee->dev,i)->trans_start = jiffies; +#else + ieee->dev->trans_start = jiffies; +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) + netif_carrier_off(ieee->dev); +#else + netif_tx_stop_all_queues(ieee->dev); +#endif +} + +void rtllib_wake_all_queues(struct rtllib_device *ieee) +{ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) + netif_carrier_on(ieee->dev); +#else + netif_tx_wake_all_queues(ieee->dev); +#endif +} + +inline void rtllib_randomize_cell(struct rtllib_device *ieee) +{ + + get_random_bytes(ieee->current_network.bssid, ETH_ALEN); + + /* an IBSS cell address must have the two less significant + * bits of the first byte = 2 + */ + ieee->current_network.bssid[0] &= ~0x01; + ieee->current_network.bssid[0] |= 0x02; +} + +/* called in user context only */ +void rtllib_start_master_bss(struct rtllib_device *ieee) +{ + ieee->assoc_id = 1; + + if (ieee->current_network.ssid_len == 0){ + strncpy(ieee->current_network.ssid, + RTLLIB_DEFAULT_TX_ESSID, + IW_ESSID_MAX_SIZE); + + ieee->current_network.ssid_len = strlen(RTLLIB_DEFAULT_TX_ESSID); + ieee->ssid_set = 1; + } + + memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN); + + ieee->set_chan(ieee->dev, ieee->current_network.channel); + ieee->state = RTLLIB_LINKED; + ieee->link_change(ieee->dev); + notify_wx_assoc_event(ieee); + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); +} + +void rtllib_start_monitor_mode(struct rtllib_device *ieee) +{ + /* reset hardware status */ + if (ieee->raw_tx){ + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + } +} + +void rtllib_start_ibss_wq(void *data) +{ + struct rtllib_device *ieee = container_of_dwork_rsl(data, struct rtllib_device, start_ibss_wq); + /* iwconfig mode ad-hoc will schedule this and return + * on the other hand this will block further iwconfig SET + * operations because of the wx_sem hold. + * Anyway some most set operations set a flag to speed-up + * (abort) this wq (when syncro scanning) before sleeping + * on the semaphore + */ + if (!ieee->proto_started){ + printk("==========oh driver down return\n"); + return; + } + down(&ieee->wx_sem); + + if (ieee->current_network.ssid_len == 0){ + strcpy(ieee->current_network.ssid,RTLLIB_DEFAULT_TX_ESSID); + ieee->current_network.ssid_len = strlen(RTLLIB_DEFAULT_TX_ESSID); + ieee->ssid_set = 1; + } + + ieee->state = RTLLIB_NOLINK; +#ifdef ADHOC_11N + ieee->mode = IEEE_N_24G; +#else + ieee->mode = IEEE_G; +#endif + /* check if we have this cell in our network list */ + rtllib_softmac_check_all_nets(ieee); + + + /* if not then the state is not linked. Maybe the user swithced to + * ad-hoc mode just after being in monitor mode, or just after + * being very few time in managed mode (so the card have had no + * time to scan all the chans..) or we have just run up the iface + * after setting ad-hoc mode. So we have to give another try.. + * Here, in ibss mode, should be safe to do this without extra care + * (in bss mode we had to make sure no-one tryed to associate when + * we had just checked the ieee->state and we was going to start the + * scan) beacause in ibss mode the rtllib_new_net function, when + * finds a good net, just set the ieee->state to RTLLIB_LINKED, + * so, at worst, we waste a bit of time to initiate an unneeded syncro + * scan, that will stop at the first round because it sees the state + * associated. + */ + if (ieee->state == RTLLIB_NOLINK) + rtllib_start_scan_syncro(ieee, 0); + + /* the network definitively is not here.. create a new cell */ + if (ieee->state == RTLLIB_NOLINK){ + printk("creating new IBSS cell\n"); + ieee->current_network.channel = ieee->IbssStartChnl; + if (!ieee->wap_set) + rtllib_randomize_cell(ieee); + + if (ieee->modulation & RTLLIB_CCK_MODULATION){ + + ieee->current_network.rates_len = 4; + + ieee->current_network.rates[0] = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_1MB; + ieee->current_network.rates[1] = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_2MB; + ieee->current_network.rates[2] = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_5MB; + ieee->current_network.rates[3] = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_11MB; + + }else + ieee->current_network.rates_len = 0; + + if (ieee->modulation & RTLLIB_OFDM_MODULATION){ + ieee->current_network.rates_ex_len = 8; + + /*ieee->current_network.rates_ex[0] = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_6MB; + ieee->current_network.rates_ex[1] = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_9MB; + ieee->current_network.rates_ex[2] = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_12MB; + ieee->current_network.rates_ex[3] = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_18MB; + ieee->current_network.rates_ex[4] = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_24MB; + ieee->current_network.rates_ex[5] = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_36MB; + ieee->current_network.rates_ex[6] = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_48MB; + ieee->current_network.rates_ex[7] = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_54MB;*/ + + ieee->current_network.rates_ex[0] = RTLLIB_OFDM_RATE_6MB; + ieee->current_network.rates_ex[1] = RTLLIB_OFDM_RATE_9MB; + ieee->current_network.rates_ex[2] = RTLLIB_OFDM_RATE_12MB; + ieee->current_network.rates_ex[3] = RTLLIB_OFDM_RATE_18MB; + ieee->current_network.rates_ex[4] = RTLLIB_OFDM_RATE_24MB; + ieee->current_network.rates_ex[5] = RTLLIB_OFDM_RATE_36MB; + ieee->current_network.rates_ex[6] = RTLLIB_OFDM_RATE_48MB; + ieee->current_network.rates_ex[7] = RTLLIB_OFDM_RATE_54MB; + + ieee->rate = 108; + }else{ + ieee->current_network.rates_ex_len = 0; + ieee->rate = 22; + } + +#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE) +#ifdef ADHOC_11N + ieee->current_network.qos_data.supported = 1; +#else + ieee->current_network.qos_data.supported = 0; +#endif + ieee->SetWirelessMode(ieee->dev, ieee->mode); +#else + ieee->current_network.qos_data.supported = 0; + ieee->SetWirelessMode(ieee->dev, IEEE_G); +#endif + ieee->current_network.mode = ieee->mode; + ieee->current_network.atim_window = 0; + ieee->current_network.capability = WLAN_CAPABILITY_IBSS; + } + + printk("%s(): ieee->mode = %d\n", __func__, ieee->mode); + if ((ieee->mode == IEEE_N_24G) || (ieee->mode == IEEE_N_5G)) + HTUseDefaultSetting(ieee); + else + ieee->pHTInfo->bCurrentHTSupport = false; + + ieee->SetHwRegHandler(ieee->dev, HW_VAR_MEDIA_STATUS, (u8 *)(&ieee->state)); + + ieee->state = RTLLIB_LINKED; + ieee->link_change(ieee->dev); + + HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); + if (ieee->LedControlHandler != NULL) + ieee->LedControlHandler(ieee->dev,LED_CTL_LINK); + + rtllib_start_send_beacons(ieee); + + notify_wx_assoc_event(ieee); + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + + up(&ieee->wx_sem); +} + +inline void rtllib_start_ibss(struct rtllib_device *ieee) +{ + queue_delayed_work_rsl(ieee->wq, &ieee->start_ibss_wq, MSECS(150)); +} + +/* this is called only in user context, with wx_sem held */ +void rtllib_start_bss(struct rtllib_device *ieee) +{ + unsigned long flags; +#ifdef ENABLE_DOT11D + if (IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee)) + { + if (! ieee->bGlobalDomain) + { + return; + } + } +#endif + /* check if we have already found the net we + * are interested in (if any). + * if not (we are disassociated and we are not + * in associating / authenticating phase) start the background scanning. + */ + rtllib_softmac_check_all_nets(ieee); + + /* ensure no-one start an associating process (thus setting + * the ieee->state to rtllib_ASSOCIATING) while we + * have just cheked it and we are going to enable scan. + * The rtllib_new_net function is always called with + * lock held (from both rtllib_softmac_check_all_nets and + * the rx path), so we cannot be in the middle of such function + */ + spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->state == RTLLIB_NOLINK) { + rtllib_start_scan(ieee); + } + spin_unlock_irqrestore(&ieee->lock, flags); +} + +void rtllib_link_change_wq(void *data) +{ + struct rtllib_device *ieee = container_of_dwork_rsl(data, struct rtllib_device, link_change_wq); + ieee->link_change(ieee->dev); +} +/* called only in userspace context */ +void rtllib_disassociate(struct rtllib_device *ieee) +{ + netif_carrier_off(ieee->dev); + if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE) + rtllib_reset_queue(ieee); + + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); +#ifdef ENABLE_DOT11D + if (IS_DOT11D_ENABLE(ieee)) + Dot11d_Reset(ieee); +#endif + ieee->state = RTLLIB_NOLINK; + ieee->is_set_key = false; + ieee->wap_set = 0; + + queue_delayed_work_rsl(ieee->wq, &ieee->link_change_wq, 0); + + +#ifndef FOR_ANDROID_X86 + notify_wx_assoc_event(ieee); +#endif +} + +void rtllib_associate_retry_wq(void *data) +{ + struct rtllib_device *ieee = container_of_dwork_rsl(data, struct rtllib_device, associate_retry_wq); + unsigned long flags; + + down(&ieee->wx_sem); + if (!ieee->proto_started) + goto exit; + + if (ieee->state != RTLLIB_ASSOCIATING_RETRY) + goto exit; + + /* until we do not set the state to RTLLIB_NOLINK + * there are no possibility to have someone else trying + * to start an association procdure (we get here with + * ieee->state = RTLLIB_ASSOCIATING). + * When we set the state to RTLLIB_NOLINK it is possible + * that the RX path run an attempt to associate, but + * both rtllib_softmac_check_all_nets and the + * RX path works with ieee->lock held so there are no + * problems. If we are still disassociated then start a scan. + * the lock here is necessary to ensure no one try to start + * an association procedure when we have just checked the + * state and we are going to start the scan. + */ + ieee->beinretry = true; + ieee->state = RTLLIB_NOLINK; + + rtllib_softmac_check_all_nets(ieee); + + spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->state == RTLLIB_NOLINK) + { + rtllib_start_scan(ieee); + } + spin_unlock_irqrestore(&ieee->lock, flags); + + ieee->beinretry = false; +exit: + up(&ieee->wx_sem); +} + +struct sk_buff *rtllib_get_beacon_(struct rtllib_device *ieee) +{ + u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff}; + + struct sk_buff *skb; + struct rtllib_probe_response *b; + skb = rtllib_probe_resp(ieee, broadcast_addr); + + if (!skb) + return NULL; + + b = (struct rtllib_probe_response *) skb->data; + b->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_BEACON); + + return skb; + +} + +struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee) +{ + struct sk_buff *skb; + struct rtllib_probe_response *b; + + skb = rtllib_get_beacon_(ieee); + if (!skb) + return NULL; + + b = (struct rtllib_probe_response *) skb->data; + b->header.seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + return skb; +} + +void rtllib_softmac_stop_protocol(struct rtllib_device *ieee, u8 mesh_flag, u8 shutdown) +{ + rtllib_stop_scan_syncro(ieee); + down(&ieee->wx_sem); + rtllib_stop_protocol(ieee,shutdown); + up(&ieee->wx_sem); +} + + +void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown) +{ + if (!ieee->proto_started) + return; + + if (shutdown){ + ieee->proto_started = 0; + ieee->proto_stoppping = 1; + if (ieee->rtllib_ips_leave != NULL) + ieee->rtllib_ips_leave(ieee->dev); + } + + rtllib_stop_send_beacons(ieee); + del_timer_sync(&ieee->associate_timer); + cancel_delayed_work(&ieee->associate_retry_wq); + cancel_delayed_work(&ieee->start_ibss_wq); + cancel_delayed_work(&ieee->link_change_wq); + rtllib_stop_scan(ieee); + + if (ieee->state <= RTLLIB_ASSOCIATING_AUTHENTICATED) + ieee->state = RTLLIB_NOLINK; + + if (ieee->state == RTLLIB_LINKED){ + if (ieee->iw_mode == IW_MODE_INFRA) + SendDisassociation(ieee,1,deauth_lv_ss); + rtllib_disassociate(ieee); + } + + if (shutdown){ + RemoveAllTS(ieee); + ieee->proto_stoppping = 0; + } + if (ieee->assocreq_ies) { + kfree(ieee->assocreq_ies); + ieee->assocreq_ies = NULL; + ieee->assocreq_ies_len = 0; + } + if (ieee->assocresp_ies) { + kfree(ieee->assocresp_ies); + ieee->assocresp_ies = NULL; + ieee->assocresp_ies_len = 0; + } +} + +void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag) +{ + down(&ieee->wx_sem); + rtllib_start_protocol(ieee); + up(&ieee->wx_sem); +} + +void rtllib_start_protocol(struct rtllib_device *ieee) +{ + short ch = 0; + int i = 0; + + rtllib_update_active_chan_map(ieee); + + if (ieee->proto_started) + return; + + ieee->proto_started = 1; + + if (ieee->current_network.channel == 0) { + do { + ch++; + if (ch > MAX_CHANNEL_NUMBER) + return; /* no channel found */ + } while(!ieee->active_channel_map[ch]); + ieee->current_network.channel = ch; + } + + if (ieee->current_network.beacon_interval == 0) + ieee->current_network.beacon_interval = 100; + + for (i = 0; i < 17; i++) { + ieee->last_rxseq_num[i] = -1; + ieee->last_rxfrag_num[i] = -1; + ieee->last_packet_time[i] = 0; + } + + if (ieee->UpdateBeaconInterruptHandler) + ieee->UpdateBeaconInterruptHandler(ieee->dev, false); + + ieee->wmm_acm = 0; + /* 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 + * and the nic is still checking for the AP MAC ?? + */ + if (ieee->iw_mode == IW_MODE_INFRA) { + rtllib_start_bss(ieee); + } else if (ieee->iw_mode == IW_MODE_ADHOC) { + if (ieee->UpdateBeaconInterruptHandler) + ieee->UpdateBeaconInterruptHandler(ieee->dev, true); + + rtllib_start_ibss(ieee); + + } else if (ieee->iw_mode == IW_MODE_MASTER) { + rtllib_start_master_bss(ieee); + } else if (ieee->iw_mode == IW_MODE_MONITOR) { + rtllib_start_monitor_mode(ieee); + } +} + +void rtllib_softmac_init(struct rtllib_device *ieee) +{ + int i; + memset(&ieee->current_network, 0, sizeof(struct rtllib_network)); + + ieee->state = RTLLIB_NOLINK; + for (i = 0; i < 5; i++) { + ieee->seq_ctrl[i] = 0; + } +#ifdef ENABLE_DOT11D + ieee->pDot11dInfo = kmalloc(sizeof(struct rt_dot11d_info), GFP_ATOMIC); + if (!ieee->pDot11dInfo) + RTLLIB_DEBUG(RTLLIB_DL_ERR, "can't alloc memory for DOT11D\n"); + memset(ieee->pDot11dInfo, 0, sizeof(struct rt_dot11d_info)); +#endif + ieee->LinkDetectInfo.SlotIndex = 0; + ieee->LinkDetectInfo.SlotNum = 2; + ieee->LinkDetectInfo.NumRecvBcnInPeriod=0; + ieee->LinkDetectInfo.NumRecvDataInPeriod=0; + ieee->LinkDetectInfo.NumTxOkInPeriod =0; + ieee->LinkDetectInfo.NumRxOkInPeriod =0; + ieee->LinkDetectInfo.NumRxUnicastOkInPeriod=0; + ieee->bIsAggregateFrame = false; + ieee->assoc_id = 0; + ieee->queue_stop = 0; + ieee->scanning_continue = 0; + ieee->softmac_features = 0; + ieee->wap_set = 0; + ieee->ssid_set = 0; + ieee->proto_started = 0; + ieee->proto_stoppping = 0; + ieee->basic_rate = RTLLIB_DEFAULT_BASIC_RATE; + ieee->rate = 22; + ieee->ps = RTLLIB_PS_DISABLED; + ieee->sta_sleep = LPS_IS_WAKE; + + ieee->Regdot11HTOperationalRateSet[0]= 0xff; + ieee->Regdot11HTOperationalRateSet[1]= 0xff; + ieee->Regdot11HTOperationalRateSet[4]= 0x01; + + ieee->Regdot11TxHTOperationalRateSet[0]= 0xff; + ieee->Regdot11TxHTOperationalRateSet[1]= 0xff; + ieee->Regdot11TxHTOperationalRateSet[4]= 0x01; + + ieee->FirstIe_InScan = false; + ieee->actscanning = false; + ieee->beinretry = false; + ieee->is_set_key = false; + init_mgmt_queue(ieee); + + ieee->sta_edca_param[0] = 0x0000A403; + ieee->sta_edca_param[1] = 0x0000A427; + ieee->sta_edca_param[2] = 0x005E4342; + ieee->sta_edca_param[3] = 0x002F3262; + ieee->aggregation = true; + ieee->enable_rx_imm_BA = 1; +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,40) + _setup_timer(&ieee->scan_timer, + rtllib_softmac_scan_cb, + (unsigned long) ieee); +#endif + ieee->tx_pending.txb = NULL; + + _setup_timer(&ieee->associate_timer, + rtllib_associate_abort_cb, + (unsigned long) ieee); + + _setup_timer(&ieee->beacon_timer, + rtllib_send_beacon_cb, + (unsigned long) ieee); + +#if defined(RTL8192U) || defined(RTL8192SU) || defined(RTL8192SE) + _setup_timer(&ieee->ibss_wait_timer, + rtllib_ibss_wait_timeout, + (unsigned long) ieee); +#endif + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) +#ifdef PF_SYNCTHREAD + ieee->wq = create_workqueue(DRV_NAME,0); +#else + ieee->wq = create_workqueue(DRV_NAME); +#endif +#endif + + INIT_DELAYED_WORK_RSL(&ieee->link_change_wq,(void*)rtllib_link_change_wq,ieee); + INIT_DELAYED_WORK_RSL(&ieee->start_ibss_wq,(void*)rtllib_start_ibss_wq,ieee); + INIT_WORK_RSL(&ieee->associate_complete_wq, (void*)rtllib_associate_complete_wq,ieee); + INIT_DELAYED_WORK_RSL(&ieee->associate_procedure_wq, (void*)rtllib_associate_procedure_wq,ieee); + INIT_DELAYED_WORK_RSL(&ieee->softmac_scan_wq,(void*)rtllib_softmac_scan_wq,ieee); + INIT_DELAYED_WORK_RSL(&ieee->softmac_hint11d_wq,(void*)rtllib_softmac_hint11d_wq,ieee); + INIT_DELAYED_WORK_RSL(&ieee->associate_retry_wq, (void*)rtllib_associate_retry_wq,ieee); + INIT_WORK_RSL(&ieee->wx_sync_scan_wq,(void*)rtllib_wx_sync_scan_wq,ieee); + + sema_init(&ieee->wx_sem, 1); + sema_init(&ieee->scan_sem, 1); + sema_init(&ieee->ips_sem,1); + + spin_lock_init(&ieee->mgmt_tx_lock); + spin_lock_init(&ieee->beacon_lock); + + tasklet_init(&ieee->ps_task, + (void(*)(unsigned long)) rtllib_sta_ps, + (unsigned long)ieee); + +} + +void rtllib_softmac_free(struct rtllib_device *ieee) +{ + down(&ieee->wx_sem); +#ifdef ENABLE_DOT11D + if (NULL != ieee->pDot11dInfo) + { + kfree(ieee->pDot11dInfo); + ieee->pDot11dInfo = NULL; + } +#endif + del_timer_sync(&ieee->associate_timer); + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + cancel_delayed_work(&ieee->associate_retry_wq); + destroy_workqueue(ieee->wq); +#endif + + up(&ieee->wx_sem); +} + +/******************************************************** + * Start of WPA code. * + * this is stolen from the ipw2200 driver * + ********************************************************/ + + +static int rtllib_wpa_enable(struct rtllib_device *ieee, int value) +{ + /* This is called when wpa_supplicant loads and closes the driver + * interface. */ + printk("%s WPA\n",value ? "enabling" : "disabling"); + ieee->wpa_enabled = value; + memset(ieee->ap_mac_addr, 0, 6); + return 0; +} + + +void rtllib_wpa_assoc_frame(struct rtllib_device *ieee, char *wpa_ie, int wpa_ie_len) +{ + /* make sure WPA is enabled */ + rtllib_wpa_enable(ieee, 1); + + rtllib_disassociate(ieee); +} + + +static int rtllib_wpa_mlme(struct rtllib_device *ieee, int command, int reason) +{ + + int ret = 0; + + switch (command) { + case IEEE_MLME_STA_DEAUTH: + break; + + case IEEE_MLME_STA_DISASSOC: + rtllib_disassociate(ieee); + break; + + default: + printk("Unknown MLME request: %d\n", command); + ret = -EOPNOTSUPP; + } + + return ret; +} + + +static int rtllib_wpa_set_wpa_ie(struct rtllib_device *ieee, + struct ieee_param *param, int plen) +{ + u8 *buf; + + if (param->u.wpa_ie.len > MAX_WPA_IE_LEN || + (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL)) + return -EINVAL; + + if (param->u.wpa_ie.len) { + buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len); + kfree(ieee->wpa_ie); + ieee->wpa_ie = buf; + ieee->wpa_ie_len = param->u.wpa_ie.len; + } else { + kfree(ieee->wpa_ie); + ieee->wpa_ie = NULL; + ieee->wpa_ie_len = 0; + } + + rtllib_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len); + return 0; +} + +#define AUTH_ALG_OPEN_SYSTEM 0x1 +#define AUTH_ALG_SHARED_KEY 0x2 +#define AUTH_ALG_LEAP 0x4 +static int rtllib_wpa_set_auth_algs(struct rtllib_device *ieee, int value) +{ + + struct rtllib_security sec = { + .flags = SEC_AUTH_MODE, + }; + int ret = 0; + + if (value & AUTH_ALG_SHARED_KEY) { + sec.auth_mode = WLAN_AUTH_SHARED_KEY; + ieee->open_wep = 0; + ieee->auth_mode = 1; + } else if (value & AUTH_ALG_OPEN_SYSTEM){ + sec.auth_mode = WLAN_AUTH_OPEN; + ieee->open_wep = 1; + ieee->auth_mode = 0; + } + else if (value & AUTH_ALG_LEAP){ + sec.auth_mode = WLAN_AUTH_LEAP >> 6; + ieee->open_wep = 1; + ieee->auth_mode = 2; + } + + + if (ieee->set_security) + ieee->set_security(ieee->dev, &sec); + + return ret; +} + +static int rtllib_wpa_set_param(struct rtllib_device *ieee, u8 name, u32 value) +{ + int ret=0; + unsigned long flags; + + switch (name) { + case IEEE_PARAM_WPA_ENABLED: + ret = rtllib_wpa_enable(ieee, value); + break; + + case IEEE_PARAM_TKIP_COUNTERMEASURES: + ieee->tkip_countermeasures=value; + break; + + case IEEE_PARAM_DROP_UNENCRYPTED: + { + /* HACK: + * + * wpa_supplicant calls set_wpa_enabled when the driver + * is loaded and unloaded, regardless of if WPA is being + * used. No other calls are made which can be used to + * determine if encryption will be used or not prior to + * association being expected. If encryption is not being + * used, drop_unencrypted is set to false, else true -- we + * can use this to determine if the CAP_PRIVACY_ON bit should + * be set. + */ + struct rtllib_security sec = { + .flags = SEC_ENABLED, + .enabled = value, + }; + ieee->drop_unencrypted = value; + /* We only change SEC_LEVEL for open mode. Others + * are set by ipw_wpa_set_encryption. + */ + if (!value) { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_0; + } + else { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_1; + } + if (ieee->set_security) + ieee->set_security(ieee->dev, &sec); + break; + } + + case IEEE_PARAM_PRIVACY_INVOKED: + ieee->privacy_invoked=value; + break; + + case IEEE_PARAM_AUTH_ALGS: + ret = rtllib_wpa_set_auth_algs(ieee, value); + break; + + case IEEE_PARAM_IEEE_802_1X: + ieee->ieee802_1x=value; + break; + case IEEE_PARAM_WPAX_SELECT: + spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags); + spin_unlock_irqrestore(&ieee->wpax_suitlist_lock,flags); + break; + + default: + printk("Unknown WPA param: %d\n",name); + ret = -EOPNOTSUPP; + } + + return ret; +} + +/* implementation borrowed from hostap driver */ +static int rtllib_wpa_set_encryption(struct rtllib_device *ieee, + struct ieee_param *param, int param_len, u8 is_mesh) +{ + int ret = 0; + struct rtllib_crypto_ops *ops; + struct rtllib_crypt_data **crypt; + + struct rtllib_security sec = { + .flags = 0, + }; + + param->u.crypt.err = 0; + param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0'; + + if (param_len != + (int) ((char *) param->u.crypt.key - (char *) param) + + param->u.crypt.key_len) { + printk("Len mismatch %d, %d\n", param_len, + param->u.crypt.key_len); + return -EINVAL; + } + if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && + param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && + param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { + if (param->u.crypt.idx >= WEP_KEYS) + return -EINVAL; + crypt = &ieee->crypt[param->u.crypt.idx]; + } else { + return -EINVAL; + } + + if (strcmp(param->u.crypt.alg, "none") == 0) { + if (crypt) { + sec.enabled = 0; + sec.level = SEC_LEVEL_0; + sec.flags |= SEC_ENABLED | SEC_LEVEL; + rtllib_crypt_delayed_deinit(ieee, crypt); + } + goto done; + } + sec.enabled = 1; + sec.flags |= SEC_ENABLED; + + /* IPW HW cannot build TKIP MIC, host decryption still needed. */ + if (!(ieee->host_encrypt || ieee->host_decrypt) && + strcmp(param->u.crypt.alg, "TKIP")) + goto skip_host_crypt; + + ops = rtllib_get_crypto_ops(param->u.crypt.alg); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { + request_module("rtllib_crypt_wep"); + ops = rtllib_get_crypto_ops(param->u.crypt.alg); + } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { + request_module("rtllib_crypt_tkip"); + ops = rtllib_get_crypto_ops(param->u.crypt.alg); + } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { + request_module("rtllib_crypt_ccmp"); + ops = rtllib_get_crypto_ops(param->u.crypt.alg); + } + if (ops == NULL) { + printk("unknown crypto alg '%s'\n", param->u.crypt.alg); + param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; + ret = -EINVAL; + goto done; + } + if (*crypt == NULL || (*crypt)->ops != ops) { + struct rtllib_crypt_data *new_crypt; + + rtllib_crypt_delayed_deinit(ieee, crypt); + + new_crypt = (struct rtllib_crypt_data *) + kmalloc(sizeof(*new_crypt), GFP_KERNEL); + if (new_crypt == NULL) { + ret = -ENOMEM; + goto done; + } + memset(new_crypt, 0, sizeof(struct rtllib_crypt_data)); + new_crypt->ops = ops; + if (new_crypt->ops) + new_crypt->priv = + new_crypt->ops->init(param->u.crypt.idx); + + if (new_crypt->priv == NULL) { + kfree(new_crypt); + param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED; + ret = -EINVAL; + goto done; + } + + *crypt = new_crypt; + } + + if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key && + (*crypt)->ops->set_key(param->u.crypt.key, + param->u.crypt.key_len, param->u.crypt.seq, + (*crypt)->priv) < 0) { + printk("key setting failed\n"); + param->u.crypt.err = IEEE_CRYPT_ERR_KEY_SET_FAILED; + ret = -EINVAL; + goto done; + } + + skip_host_crypt: + if (param->u.crypt.set_tx) { + ieee->tx_keyidx = param->u.crypt.idx; + sec.active_key = param->u.crypt.idx; + sec.flags |= SEC_ACTIVE_KEY; + } else + sec.flags &= ~SEC_ACTIVE_KEY; + + if (param->u.crypt.alg != NULL) { + memcpy(sec.keys[param->u.crypt.idx], + param->u.crypt.key, + param->u.crypt.key_len); + sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len; + sec.flags |= (1 << param->u.crypt.idx); + + if (strcmp(param->u.crypt.alg, "WEP") == 0) { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_1; + } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_2; + } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_3; + } + } + done: + if (ieee->set_security) + ieee->set_security(ieee->dev, &sec); + + /* Do not reset port if card is in Managed mode since resetting will + * generate new IEEE 802.11 authentication which may end up in looping + * with IEEE 802.1X. If your hardware requires a reset after WEP + * configuration (for example... Prism2), implement the reset_port in + * the callbacks structures used to initialize the 802.11 stack. */ + if (ieee->reset_on_keychange && + ieee->iw_mode != IW_MODE_INFRA && + ieee->reset_port && + ieee->reset_port(ieee->dev)) { + printk("reset_port failed\n"); + param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED; + return -EINVAL; + } + + return ret; +} + +inline struct sk_buff *rtllib_disauth_skb( struct rtllib_network *beacon, + struct rtllib_device *ieee, u16 asRsn) +{ + struct sk_buff *skb; + struct rtllib_disauth *disauth; +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr=0; + int alignment=0; + int len = sizeof(struct rtllib_disauth) + ieee->tx_headroom + USB_512B_ALIGNMENT_SIZE; +#else + int len = sizeof(struct rtllib_disauth) + ieee->tx_headroom; + +#endif + skb = dev_alloc_skb(len); + if (!skb) { + return NULL; + } + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + skb_reserve(skb, ieee->tx_headroom); + + disauth = (struct rtllib_disauth *) skb_put(skb,sizeof(struct rtllib_disauth)); + disauth->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_DEAUTH); + disauth->header.duration_id = 0; + + memcpy(disauth->header.addr1, beacon->bssid, ETH_ALEN); + memcpy(disauth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(disauth->header.addr3, beacon->bssid, ETH_ALEN); + + disauth->reason = cpu_to_le16(asRsn); + return skb; +} + +inline struct sk_buff *rtllib_disassociate_skb( struct rtllib_network *beacon, + struct rtllib_device *ieee, u16 asRsn) +{ + struct sk_buff *skb; + struct rtllib_disassoc *disass; +#ifdef USB_USE_ALIGNMENT + u32 Tmpaddr=0; + int alignment=0; + int len = sizeof(struct rtllib_disassoc) + ieee->tx_headroom + USB_512B_ALIGNMENT_SIZE; +#else + int len = sizeof(struct rtllib_disassoc) + ieee->tx_headroom; +#endif + skb = dev_alloc_skb(len); + + if (!skb) { + return NULL; + } + +#ifdef USB_USE_ALIGNMENT + Tmpaddr = (u32)skb->data; + alignment = Tmpaddr & 0x1ff; + skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment)); +#endif + skb_reserve(skb, ieee->tx_headroom); + + disass = (struct rtllib_disassoc *) skb_put(skb,sizeof(struct rtllib_disassoc)); + disass->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_DISASSOC); + disass->header.duration_id = 0; + + memcpy(disass->header.addr1, beacon->bssid, ETH_ALEN); + memcpy(disass->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(disass->header.addr3, beacon->bssid, ETH_ALEN); + + disass->reason = cpu_to_le16(asRsn); + return skb; +} + +void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn) +{ + struct rtllib_network *beacon = &ieee->current_network; + struct sk_buff *skb; + + if (deauth) { + skb = rtllib_disauth_skb(beacon,ieee,asRsn); + } else { + skb = rtllib_disassociate_skb(beacon,ieee,asRsn); + } + + if (skb){ + softmac_mgmt_xmit(skb, ieee); + } +} + +u8 rtllib_ap_sec_type(struct rtllib_device *ieee) +{ + static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04}; + static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04}; + int wpa_ie_len= ieee->wpa_ie_len; + struct rtllib_crypt_data* crypt; + int encrypt; + + crypt = ieee->crypt[ieee->tx_keyidx]; + encrypt = (ieee->current_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)) { + return SEC_ALG_WEP; + } else if ((wpa_ie_len != 0)) { + 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 SEC_ALG_CCMP; + else + return SEC_ALG_TKIP; + } else { + return SEC_ALG_NONE; + } +} + +int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee, struct iw_point *p, u8 is_mesh) +{ + struct ieee_param *param; + int ret=0; + + down(&ieee->wx_sem); + + if (p->length < sizeof(struct ieee_param) || !p->pointer){ + ret = -EINVAL; + goto out; + } + + param = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL); + if (param == NULL){ + ret = -ENOMEM; + goto out; + } + if (copy_from_user(param, p->pointer, p->length)) { + kfree(param); + ret = -EFAULT; + goto out; + } + + switch (param->cmd) { + + case IEEE_CMD_SET_WPA_PARAM: + ret = rtllib_wpa_set_param(ieee, param->u.wpa_param.name, + param->u.wpa_param.value); + break; + + case IEEE_CMD_SET_WPA_IE: + ret = rtllib_wpa_set_wpa_ie(ieee, param, p->length); + break; + + case IEEE_CMD_SET_ENCRYPTION: + ret = rtllib_wpa_set_encryption(ieee, param, p->length, 0); + break; + + case IEEE_CMD_MLME: + ret = rtllib_wpa_mlme(ieee, param->u.mlme.command, + param->u.mlme.reason_code); + break; + + default: + printk("Unknown WPA supplicant request: %d\n",param->cmd); + ret = -EOPNOTSUPP; + break; + } + + if (ret == 0 && copy_to_user(p->pointer, param, p->length)) + ret = -EFAULT; + + kfree(param); +out: + up(&ieee->wx_sem); + + return ret; +} + +void +rtllib_MgntDisconnectIBSS(struct rtllib_device* rtllib) +{ + u8 OpMode; + u8 i; + bool bFilterOutNonAssociatedBSSID = false; + + rtllib->state = RTLLIB_NOLINK; + + for (i=0;i<6;i++) rtllib->current_network.bssid[i]= 0x55; + + rtllib->OpMode = RT_OP_MODE_NO_LINK; + rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_BSSID, rtllib->current_network.bssid); + OpMode = RT_OP_MODE_NO_LINK; + rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_MEDIA_STATUS, &OpMode); + rtllib_stop_send_beacons(rtllib); + + bFilterOutNonAssociatedBSSID = false; + rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_CECHK_BSSID, (u8*)(&bFilterOutNonAssociatedBSSID)); + notify_wx_assoc_event(rtllib); + +} + +void +rtllib_MlmeDisassociateRequest( + struct rtllib_device* rtllib, + u8* asSta, + u8 asRsn + ) +{ + u8 i; + u8 OpMode; + + RemovePeerTS(rtllib, asSta); + + + if (memcpy(rtllib->current_network.bssid,asSta,6) == 0) + { + rtllib->state = RTLLIB_NOLINK; + + for (i=0;i<6;i++) rtllib->current_network.bssid[i] = 0x22; + OpMode = RT_OP_MODE_NO_LINK; + rtllib->OpMode = RT_OP_MODE_NO_LINK; + rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_MEDIA_STATUS, (u8 *)(&OpMode) ); + rtllib_disassociate(rtllib); + + rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_BSSID, rtllib->current_network.bssid); + + } + +} + +void +rtllib_MgntDisconnectAP( + struct rtllib_device* rtllib, + u8 asRsn +) +{ + bool bFilterOutNonAssociatedBSSID = false; + + +#ifdef TO_DO + if ( pMgntInfo->SecurityInfo.AuthMode > RT_802_11AuthModeAutoSwitch || + (pMgntInfo->bAPSuportCCKM && pMgntInfo->bCCX8021xenable) ) + { + SecClearAllKeys(rtllib->dev); + RT_TRACE(COMP_SEC, DBG_LOUD,("======>CCKM clear key...")) + } +#endif + bFilterOutNonAssociatedBSSID = false; + rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_CECHK_BSSID, (u8*)(&bFilterOutNonAssociatedBSSID)); + rtllib_MlmeDisassociateRequest( rtllib, rtllib->current_network.bssid, asRsn ); + + rtllib->state = RTLLIB_NOLINK; +} + +bool +rtllib_MgntDisconnect( + struct rtllib_device* rtllib, + u8 asRsn +) +{ + if (rtllib->ps != RTLLIB_PS_DISABLED) + { +#ifndef RTL8190P + rtllib->sta_wake_up(rtllib->dev); +#endif + } + +#ifdef TO_DO + if (pMgntInfo->mActingAsAp) + { + RT_TRACE(COMP_MLME, DBG_LOUD, ("MgntDisconnect() ===> AP_DisassociateAllStation\n")); + AP_DisassociateAllStation(rtllib->dev, unspec_reason); + return true; + } +#endif + + if ( rtllib->state == RTLLIB_LINKED ) + { + if ( rtllib->iw_mode == IW_MODE_ADHOC ) + { + rtllib_MgntDisconnectIBSS(rtllib); + } + if ( rtllib->iw_mode == IW_MODE_INFRA ) + { +#ifdef TO_DO_LIST + SecClearAllKeys(Adapter); +#endif + rtllib_MgntDisconnectAP(rtllib, asRsn); + } + + } + + return true; +} + +void notify_wx_assoc_event(struct rtllib_device *ieee) +{ + union iwreq_data wrqu; + + if (ieee->cannot_notify) + return; + + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + if (ieee->state == RTLLIB_LINKED) + memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid, ETH_ALEN); + else{ + + printk("%s(): Tell user space disconnected\n",__func__); + memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); + } + wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL); +} |