diff options
Diffstat (limited to 'drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c')
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c | 4029 |
1 files changed, 4029 insertions, 0 deletions
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c new file mode 100644 index 00000000000..e5752f615e0 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c @@ -0,0 +1,4029 @@ +/* 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 ieee80211 + * 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 "ieee80211.h" + +#include <linux/random.h> +#include <linux/delay.h> +#include <linux/version.h> +#include <asm/uaccess.h> + +#ifdef ENABLE_DOT11D +#include "dot11d.h" +#endif +u8 rsn_authen_cipher_suite[16][4] = { + {0x00,0x0F,0xAC,0x00}, //Use group key, //Reserved + {0x00,0x0F,0xAC,0x01}, //WEP-40 //RSNA default + {0x00,0x0F,0xAC,0x02}, //TKIP //NONE //{used just as default} + {0x00,0x0F,0xAC,0x03}, //WRAP-historical + {0x00,0x0F,0xAC,0x04}, //CCMP + {0x00,0x0F,0xAC,0x05}, //WEP-104 +}; + +short ieee80211_is_54g(struct ieee80211_network net) +{ + return ((net.rates_ex_len > 0) || (net.rates_len > 4)); +} + +short ieee80211_is_shortslot(struct ieee80211_network net) +{ + return (net.capability & WLAN_CAPABILITY_SHORT_SLOT); +} + +/* 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 ieee80211_MFIE_rate_len(struct ieee80211_device *ieee) +{ + unsigned int rate_len = 0; + + if (ieee->modulation & IEEE80211_CCK_MODULATION) + rate_len = IEEE80211_CCK_RATE_LEN + 2; + + if (ieee->modulation & IEEE80211_OFDM_MODULATION) + + rate_len += IEEE80211_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 ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p) +{ + u8 *tag = *tag_p; + + if (ieee->modulation & IEEE80211_CCK_MODULATION){ + *tag++ = MFIE_TYPE_RATES; + *tag++ = 4; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; + } + + /* We may add an option for custom rates that specific HW might support */ + *tag_p = tag; +} + +void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p) +{ + u8 *tag = *tag_p; + + if (ieee->modulation & IEEE80211_OFDM_MODULATION){ + + *tag++ = MFIE_TYPE_RATES_EX; + *tag++ = 8; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB; + + } + + /* We may add an option for custom rates that specific HW might support */ + *tag_p = tag; +} + + +void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p) { + u8 *tag = *tag_p; + + *tag++ = MFIE_TYPE_GENERIC; //0 + *tag++ = 7; + *tag++ = 0x00; + *tag++ = 0x50; + *tag++ = 0xf2; + *tag++ = 0x02;//5 + *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; +} + +#ifdef THOMAS_TURBO +void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p) { + u8 *tag = *tag_p; + + *tag++ = MFIE_TYPE_GENERIC; //0 + *tag++ = 7; + *tag++ = 0x00; + *tag++ = 0xe0; + *tag++ = 0x4c; + *tag++ = 0x01;//5 + *tag++ = 0x02; + *tag++ = 0x11; + *tag++ = 0x00; + + *tag_p = tag; + printk(KERN_ALERT "This is enable turbo mode IE process\n"); +} +#endif + +void enqueue_mgmt(struct ieee80211_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; + + //return 0; +} + +struct sk_buff *dequeue_mgmt(struct ieee80211_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 ieee80211_device *ieee) +{ + ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0; +} + + +void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl); + +inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee) +{ + unsigned long flags; + short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE; + struct ieee80211_hdr_3addr *header= + (struct ieee80211_hdr_3addr *) skb->data; + + + spin_lock_irqsave(&ieee->lock, flags); + + /* called with 2nd param 0, no mgmt lock required */ + ieee80211_sta_wakeup(ieee,0); + + 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->dev->trans_start = jiffies; + 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]++; + + /* avoid watchdog triggers */ + ieee->dev->trans_start = jiffies; + 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 ieee80211_device *ieee) +{ + + short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE; + struct ieee80211_hdr_3addr *header = + (struct ieee80211_hdr_3addr *) skb->data; + + + if(single){ + + 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->dev->trans_start = jiffies; + ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + + }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->dev->trans_start = jiffies; + ieee->softmac_hard_start_xmit(skb,ieee->dev); + + } +// dev_kfree_skb_any(skb);//edit by thomas +} +//by amy for power save +inline struct sk_buff *ieee80211_disassociate_skb( + struct ieee80211_network *beacon, + struct ieee80211_device *ieee, + u8 asRsn) +{ + struct sk_buff *skb; + struct ieee80211_disassoc_frame *disass; + + skb = dev_alloc_skb(sizeof(struct ieee80211_disassoc_frame)); + if (!skb) + return NULL; + + disass = (struct ieee80211_disassoc_frame *) skb_put(skb,sizeof(struct ieee80211_disassoc_frame)); + disass->header.frame_ctl = cpu_to_le16(IEEE80211_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->reasoncode = asRsn; + return skb; +} +void +SendDisassociation( + struct ieee80211_device *ieee, + u8* asSta, + u8 asRsn +) +{ + struct ieee80211_network *beacon = &ieee->current_network; + struct sk_buff *skb; + skb = ieee80211_disassociate_skb(beacon,ieee,asRsn); + if (skb){ + softmac_mgmt_xmit(skb, ieee); + //dev_kfree_skb_any(skb);//edit by thomas + } +} + +//by amy for power save +inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee) +{ + unsigned int len,rate_len; + u8 *tag; + struct sk_buff *skb; + struct ieee80211_probe_request *req; + +#ifdef _RTL8187_EXT_PATCH_ + short extMore = 0; + if(ieee->ext_patch_ieee80211_probe_req_1) + extMore = ieee->ext_patch_ieee80211_probe_req_1(ieee); +#endif + + len = ieee->current_network.ssid_len; + + rate_len = ieee80211_MFIE_rate_len(ieee); + +#ifdef _RTL8187_EXT_PATCH_ + if(!extMore) +#endif + skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) + + 2 + len + rate_len); +#ifdef _RTL8187_EXT_PATCH_ + else + skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) + + 2 + len + rate_len+128); // MESHID + CAP +#endif + + if (!skb) + return NULL; + + req = (struct ieee80211_probe_request *) skb_put(skb,sizeof(struct ieee80211_probe_request)); + req->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); + req->header.duration_id = 0; //FIXME: is this OK ? + + 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; + ieee80211_MFIE_Brate(ieee,&tag); + ieee80211_MFIE_Grate(ieee,&tag); + +#ifdef _RTL8187_EXT_PATCH_ + if(extMore) + ieee->ext_patch_ieee80211_probe_req_2(ieee, skb, tag); +#endif + return skb; +} + +struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee); + +//#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) +//void ext_ieee80211_send_beacon_wq(struct work_struct *work) +//{ +// struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ext_send_beacon_wq); +//#else +void ext_ieee80211_send_beacon_wq(struct ieee80211_device *ieee) +{ +//#endif + + struct sk_buff *skb; + + //unsigned long flags; + + skb = ieee80211_get_beacon_(ieee); + + if (skb){ + softmac_mgmt_xmit(skb, ieee); + ieee->softmac_stats.tx_beacons++; + dev_kfree_skb_any(skb);//edit by thomas + } + + + //printk(KERN_WARNING "[1] beacon sending!\n"); + ieee->beacon_timer.expires = jiffies + + (MSECS( ieee->current_network.beacon_interval -5)); + + //spin_lock_irqsave(&ieee->beacon_lock,flags); + if(ieee->beacon_txing) + add_timer(&ieee->beacon_timer); + //spin_unlock_irqrestore(&ieee->beacon_lock,flags); +} + +void ieee80211_send_beacon(struct ieee80211_device *ieee) +{ + struct sk_buff *skb; + + //unsigned long flags; + + skb = ieee80211_get_beacon_(ieee); + + if (skb){ + softmac_mgmt_xmit(skb, ieee); + ieee->softmac_stats.tx_beacons++; + dev_kfree_skb_any(skb);//edit by thomas + } + + //printk(KERN_WARNING "[1] beacon sending!\n"); + ieee->beacon_timer.expires = jiffies + + (MSECS( ieee->current_network.beacon_interval -5)); + + //spin_lock_irqsave(&ieee->beacon_lock,flags); + if(ieee->beacon_txing) + add_timer(&ieee->beacon_timer); + //spin_unlock_irqrestore(&ieee->beacon_lock,flags); +} + + +void ieee80211_send_beacon_cb(unsigned long _ieee) +{ + struct ieee80211_device *ieee = + (struct ieee80211_device *) _ieee; + unsigned long flags; + + spin_lock_irqsave(&ieee->beacon_lock, flags); + ieee80211_send_beacon(ieee); + spin_unlock_irqrestore(&ieee->beacon_lock, flags); +} + +#ifdef _RTL8187_EXT_PATCH_ + +inline struct sk_buff *ieee80211_probe_req_with_SSID(struct ieee80211_device *ieee, char *ssid, int len_ssid) +{ + unsigned int len,rate_len; + u8 *tag; + struct sk_buff *skb; + struct ieee80211_probe_request *req; + +#ifdef _RTL8187_EXT_PATCH_ + short extMore = 0; + if(ieee->ext_patch_ieee80211_probe_req_1) + extMore = ieee->ext_patch_ieee80211_probe_req_1(ieee); +#endif + + len = len_ssid; + + rate_len = ieee80211_MFIE_rate_len(ieee); + +#ifdef _RTL8187_EXT_PATCH_ + if(!extMore) +#endif + skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) + + 2 + len + rate_len); +#ifdef _RTL8187_EXT_PATCH_ + else + skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) + + 2 + len + rate_len+128); // MESHID + CAP +#endif + + if (!skb) + return NULL; + + req = (struct ieee80211_probe_request *) skb_put(skb,sizeof(struct ieee80211_probe_request)); + req->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); + req->header.duration_id = 0; //FIXME: is this OK ? + + 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; + if(len) + { + memcpy(tag, ssid, len); + tag += len; + } + + ieee80211_MFIE_Brate(ieee,&tag); + ieee80211_MFIE_Grate(ieee,&tag); + +#ifdef _RTL8187_EXT_PATCH_ + if(extMore) + ieee->ext_patch_ieee80211_probe_req_2(ieee, skb, tag); +#endif + return skb; +} + +#endif // _RTL8187_EXT_PATCH_ + + +void ieee80211_send_probe(struct ieee80211_device *ieee) +{ + struct sk_buff *skb; + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + skb = ieee80211_probe_req_with_SSID(ieee, NULL, 0); + else +#endif + skb = ieee80211_probe_req(ieee); + if (skb){ + softmac_mgmt_xmit(skb, ieee); + ieee->softmac_stats.tx_probe_rq++; + //dev_kfree_skb_any(skb);//edit by thomas + } +} + +void ieee80211_send_probe_requests(struct ieee80211_device *ieee) +{ + if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)){ + ieee80211_send_probe(ieee); + ieee80211_send_probe(ieee); + } +} + +/* this performs syncro scan blocking the caller until all channels + * in the allowed channel map has been checked. + */ +void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee) +{ + short ch = 0; +#ifdef ENABLE_DOT11D + u8 channel_map[MAX_CHANNEL_NUMBER+1]; + memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#endif + down(&ieee->scan_sem); +// printk("==================> Sync scan\n"); +// dump_chnl_map(channel_map); + + while(1) + { + + do{ + ch++; + if (ch > MAX_CHANNEL_NUMBER) + goto out; /* scan completed */ + +#ifdef ENABLE_DOT11D + }while(!channel_map[ch]); +#else + }while(!ieee->channel_map[ch]); +#endif + /* 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 + * IEEE80211_NOLINK until we found an interesting cell. + * If so the ieee8021_new_net, called by the RX path + * will set the state to IEEE80211_LINKED, so we stop + * scanning + * 2- We are linked and the root uses run iwlist scan. + * So we switch to IEEE80211_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 == IEEE80211_LINKED) + goto out; + + ieee->set_chan(ieee->dev, ch); +// printk("=====>channel=%d ",ch); +#ifdef ENABLE_DOT11D + if(channel_map[ch] == 1) +#endif + { +// printk("====send probe request\n"); + ieee80211_send_probe_requests(ieee); + } + /* this prevent excessive time wait when we + * need to wait for a syncro scan to end.. + */ + if (ieee->sync_scan_hurryup) + goto out; + + + msleep_interruptible_rtl(IEEE80211_SOFTMAC_SCAN_TIME); + + } +out: + ieee->sync_scan_hurryup = 0; + up(&ieee->scan_sem); +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif +} + +void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee) +{ + int ch; + unsigned int watch_dog = 0; +#ifdef ENABLE_DOT11D + u8 channel_map[MAX_CHANNEL_NUMBER+1]; + memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#endif + down(&ieee->scan_sem); + ch = ieee->current_network.channel; +// if(ieee->sync_scan_hurryup) +// { + +// printk("stop scan sync\n"); +// goto out; +// } +// printk("=======hh===============>ips scan\n"); + while(1) + { + /* 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 + * IEEE80211_NOLINK until we found an interesting cell. + * If so the ieee8021_new_net, called by the RX path + * will set the state to IEEE80211_LINKED, so we stop + * scanning + * 2- We are linked and the root uses run iwlist scan. + * So we switch to IEEE80211_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 == IEEE80211_LINKED) + { + goto out; + } +#ifdef ENABLE_DOT11D + if(channel_map[ieee->current_network.channel] > 0) +#endif + { + ieee->set_chan(ieee->dev, ieee->current_network.channel); +// printk("======>channel=%d ",ieee->current_network.channel); + } +#ifdef ENABLE_DOT11D + if(channel_map[ieee->current_network.channel] == 1) +#endif + { +// printk("====send probe request\n"); + ieee80211_send_probe_requests(ieee); + } + /* this prevent excessive time wait when we + * need to wait for a syncro scan to end.. + */ +// if (ieee->sync_scan_hurryup) +// goto out; + + msleep_interruptible_rtl(IEEE80211_SOFTMAC_SCAN_TIME); + + do{ + if (watch_dog++ >= MAX_CHANNEL_NUMBER) + // if (++watch_dog >= 15);//MAX_CHANNEL_NUMBER) //YJ,modified,080630 + goto out; /* scan completed */ + + ieee->current_network.channel = (ieee->current_network.channel + 1)%MAX_CHANNEL_NUMBER; +#ifdef ENABLE_DOT11D + }while(!channel_map[ieee->current_network.channel]); +#else + }while(!ieee->channel_map[ieee->current_network.channel]); +#endif + } +out: + //ieee->sync_scan_hurryup = 0; + //ieee->set_chan(ieee->dev, ch); + //ieee->current_network.channel = ch; + ieee->actscanning = false; + up(&ieee->scan_sem); +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif +} + + +#if 0 +/* called both by wq with ieee->lock held */ +void ieee80211_softmac_scan(struct ieee80211_device *ieee) +{ + short watchdog = 0; + + do{ + ieee->current_network.channel = + (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER; + if (watchdog++ > MAX_CHANNEL_NUMBER) + return; /* no good chans */ + + }while(!ieee->channel_map[ieee->current_network.channel]); + + + schedule_work(&ieee->softmac_scan_wq); +} +#endif +#ifdef ENABLE_IPS +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_softmac_scan_wq(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq); +#else +void ieee80211_softmac_scan_wq(struct ieee80211_device *ieee) +{ +#endif + static short watchdog = 0; +#ifdef ENABLE_DOT11D + u8 channel_map[MAX_CHANNEL_NUMBER+1]; + memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#endif +// printk("ieee80211_softmac_scan_wq ENABLE_IPS\n"); +// printk("in %s\n",__func__); + down(&ieee->scan_sem); + + do{ + ieee->current_network.channel = + (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER; + if (watchdog++ > MAX_CHANNEL_NUMBER) + goto out; /* no good chans */ + +#ifdef ENABLE_DOT11D + }while(!channel_map[ieee->current_network.channel]); +#else + }while(!ieee->channel_map[ieee->current_network.channel]); +#endif + + //printk("current_network.channel:%d\n", ieee->current_network.channel); + if (ieee->scanning == 0 ) + { + printk("error out, scanning = 0\n"); + goto out; + } + ieee->set_chan(ieee->dev, ieee->current_network.channel); +#ifdef ENABLE_DOT11D + if(channel_map[ieee->current_network.channel] == 1) +#endif + ieee80211_send_probe_requests(ieee); + + queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME); + up(&ieee->scan_sem); + return; +out: + ieee->actscanning = false; + watchdog = 0; + ieee->scanning = 0; + up(&ieee->scan_sem); + +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif + return; +} +#else +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_softmac_scan_wq(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, softmac_scan_wq); +#else +void ieee80211_softmac_scan_wq(struct ieee80211_device *ieee) +{ +#endif + + short watchdog = 0; +#ifdef ENABLE_DOT11D + u8 channel_map[MAX_CHANNEL_NUMBER+1]; + memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#endif +// printk("enter scan wq,watchdog is %d\n",watchdog); + down(&ieee->scan_sem); + + do{ + ieee->current_network.channel = + (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER; + if (watchdog++ > MAX_CHANNEL_NUMBER) + goto out; /* no good chans */ + +#ifdef ENABLE_DOT11D + }while(!channel_map[ieee->current_network.channel]); +#else + }while(!ieee->channel_map[ieee->current_network.channel]); +#endif + +// printk("current_network.channel:%d\n", ieee->current_network.channel); + if (ieee->scanning == 0 ) + { + printk("error out, scanning = 0\n"); + goto out; + } + ieee->set_chan(ieee->dev, ieee->current_network.channel); +#ifdef ENABLE_DOT11D + if(channel_map[ieee->current_network.channel] == 1) +#endif + ieee80211_send_probe_requests(ieee); + + queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME); +out: + up(&ieee->scan_sem); +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif +} + +#endif +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) +void ieee80211_softmac_scan_cb(unsigned long _dev) +{ + unsigned long flags; + struct ieee80211_device *ieee = (struct ieee80211_device *)_dev; + + spin_lock_irqsave(&ieee->lock, flags); + ieee80211_softmac_scan(ieee); + spin_unlock_irqrestore(&ieee->lock, flags); +} +#endif + + +void ieee80211_beacons_start(struct ieee80211_device *ieee) +{ + unsigned long flags; + + spin_lock_irqsave(&ieee->beacon_lock,flags); + + ieee->beacon_txing = 1; + ieee80211_send_beacon(ieee); + + spin_unlock_irqrestore(&ieee->beacon_lock,flags); +} + +void ieee80211_beacons_stop(struct ieee80211_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 ieee80211_stop_send_beacons(struct ieee80211_device *ieee) +{ + if(ieee->stop_send_beacons) + ieee->stop_send_beacons(ieee->dev); + if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS) + ieee80211_beacons_stop(ieee); +} + + +void ieee80211_start_send_beacons(struct ieee80211_device *ieee) +{ + if(ieee->start_send_beacons) + ieee->start_send_beacons(ieee->dev); + if(ieee->softmac_features & IEEE_SOFTMAC_BEACONS) + ieee80211_beacons_start(ieee); +} + + +void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee) +{ +// unsigned long flags; + + //ieee->sync_scan_hurryup = 1; + + down(&ieee->scan_sem); +// spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->scanning == 1){ + ieee->scanning = 0; + //del_timer_sync(&ieee->scan_timer); + cancel_delayed_work(&ieee->softmac_scan_wq); + } + +// spin_unlock_irqrestore(&ieee->lock, flags); + up(&ieee->scan_sem); +} + +void ieee80211_stop_scan(struct ieee80211_device *ieee) +{ + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) + ieee80211_softmac_stop_scan(ieee); + else + ieee->stop_scan(ieee->dev); +} + +/* called with ieee->lock held */ +void ieee80211_start_scan(struct ieee80211_device *ieee) +{ +#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 == 0) + { + ieee->scanning = 1; + //ieee80211_softmac_scan(ieee); + // queue_work(ieee->wq, &ieee->softmac_scan_wq); + //care this,1203,2007,by lawrence +#if 1 + queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq,0); +#endif + } + }else + ieee->start_scan(ieee->dev); + +} + +/* called with wx_sem held */ +void ieee80211_start_scan_syncro(struct ieee80211_device *ieee) +{ +#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) + ieee80211_softmac_scan_syncro(ieee); + else + ieee->scan_syncro(ieee->dev); + +} + +inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *beacon, + struct ieee80211_device *ieee, int challengelen) +{ + struct sk_buff *skb; + struct ieee80211_authentication *auth; + + skb = dev_alloc_skb(sizeof(struct ieee80211_authentication) + challengelen); + + if (!skb) return NULL; + + auth = (struct ieee80211_authentication *) + skb_put(skb, sizeof(struct ieee80211_authentication)); + + auth->header.frame_ctl = IEEE80211_STYPE_AUTH; + if (challengelen) auth->header.frame_ctl |= IEEE80211_FCTL_WEP; + + auth->header.duration_id = 0x013a; //FIXME + + 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); + + auth->algorithm = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; + + auth->transaction = cpu_to_le16(ieee->associate_seq); + ieee->associate_seq++; + + auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS); + + return skb; + +} + +static struct sk_buff* ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *dest) +{ + u8 *tag; + int beacon_size; + struct ieee80211_probe_response *beacon_buf; + struct sk_buff *skb; + int encrypt; + int atim_len,erp_len; + struct ieee80211_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; + 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(ieee80211_is_54g(ieee->current_network)) + erp_len = 3; + else + erp_len = 0; + + beacon_size = sizeof(struct ieee80211_probe_response)+ + ssid_len + +3 //channel + +rate_len + +rate_ex_len + +atim_len + +wpa_ie_len + +erp_len; + + skb = dev_alloc_skb(beacon_size); + + if (!skb) + return NULL; + + beacon_buf = (struct ieee80211_probe_response*) skb_put(skb, beacon_size); + + 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; //FIXME + 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); + + if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT)) + cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT)); + + crypt = ieee->crypt[ieee->tx_keyidx]; + + encrypt = ieee->host_encrypt && crypt && crypt->ops && + ((0 == strcmp(crypt->ops->name, "WEP")) || wpa_ie_len); + + if (encrypt) + beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + + beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP); + + beacon_buf->info_element.id = MFIE_TYPE_SSID; + beacon_buf->info_element.len = ssid_len; + + tag = (u8*) beacon_buf->info_element.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){ + *(tag++) = MFIE_TYPE_IBSS_SET; + *(tag++) = 2; + *((u16*)(tag)) = cpu_to_le16(ieee->current_network.atim_window); + tag+=2; + } + + if(erp_len){ + *(tag++) = MFIE_TYPE_ERP; + *(tag++) = 1; + *(tag++) = 0; + } + + 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 (wpa_ie_len) + { + if (ieee->iw_mode == IW_MODE_ADHOC) + {//as Windows will set pairwise key same as the group key which is not allowed in Linux, so set this for IOT issue. WB 2008.07.07 + memcpy(&ieee->wpa_ie[14], &ieee->wpa_ie[8], 4); + } + + memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len); + } + + skb->dev = ieee->dev; + return skb; +} +#ifdef _RTL8187_EXT_PATCH_ +struct sk_buff* ieee80211_ext_probe_resp_by_net(struct ieee80211_device *ieee, u8 *dest, struct ieee80211_network *net) +{ + u8 *tag; + int beacon_size; + struct ieee80211_probe_response *beacon_buf; + struct sk_buff *skb; + int encrypt; + int atim_len,erp_len; + struct ieee80211_crypt_data* crypt; + u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff}; + int wpa_ie_len = ieee->wpa_ie_len; + char *ssid = net->ssid; + int ssid_len = net->ssid_len; + + int rate_len = ieee->current_network.rates_len+2; + int rate_ex_len = ieee->current_network.rates_ex_len; + if(rate_ex_len > 0) rate_ex_len+=2; + + if( ieee->meshScanMode&4) + ieee->current_network.channel = ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel(ieee); + if( ieee->meshScanMode&6) + { + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + queue_work(ieee->wq, &ieee->ext_stop_scan_wq); +#else + schedule_task(&ieee->ext_stop_scan_wq); +#endif + } + if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS) // use current_network here + atim_len = 4; + else + atim_len = 0; + + if(ieee80211_is_54g(*net)) + erp_len = 3; + else + erp_len = 0; + + beacon_size = sizeof(struct ieee80211_probe_response)+ + ssid_len + +3 //channel + +rate_len + +rate_ex_len + +atim_len + +erp_len; +//b + skb = dev_alloc_skb(beacon_size+196); + + if (!skb) + return NULL; + + beacon_buf = (struct ieee80211_probe_response*) skb_put(skb, beacon_size); + + 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; //FIXME + + beacon_buf->beacon_interval = + cpu_to_le16(ieee->current_network.beacon_interval); // use current_network here + beacon_buf->capability = + cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS); + + if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT)) + cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT)); + + crypt = ieee->crypt[ieee->tx_keyidx]; + + encrypt = ieee->host_encrypt && crypt && crypt->ops && + ((0 == strcmp(crypt->ops->name, "WEP"))||wpa_ie_len); + + if (encrypt) + beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + + beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP); + + beacon_buf->info_element.id = MFIE_TYPE_SSID; + beacon_buf->info_element.len = ssid_len; + + tag = (u8*) beacon_buf->info_element.data; + + // brocad cast / probe rsp + if(memcmp(dest, broadcast_addr, ETH_ALEN )) + memcpy(tag, ssid, ssid_len); + else + ssid_len=0; + + tag += ssid_len; + +//get_bssrate_set(priv, _SUPPORTEDRATES_IE_, &pbssrate, &bssrate_len); +//pbuf = set_ie(pbuf, _SUPPORTEDRATES_IE_, bssrate_len, pbssrate, &frlen); + + *(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; // use current_network here + + + if(atim_len){ + *(tag++) = MFIE_TYPE_IBSS_SET; + *(tag++) = 2; + *((u16*)(tag)) = cpu_to_le16(ieee->current_network.atim_window); // use current_network here + tag+=2; + } + + if(erp_len){ + *(tag++) = MFIE_TYPE_ERP; + *(tag++) = 1; + *(tag++) = 0; + } + + 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 (wpa_ie_len) + memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len); + + skb->dev = ieee->dev; + return skb; +} +#endif // _RTL8187_EXT_PATCH_ + +struct sk_buff* ieee80211_assoc_resp(struct ieee80211_device *ieee, u8 *dest) +{ + struct sk_buff *skb; + u8* tag; + + struct ieee80211_crypt_data* crypt; + struct ieee80211_assoc_response_frame *assoc; + short encrypt; + + unsigned int rate_len = ieee80211_MFIE_rate_len(ieee); + int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len; + + skb = dev_alloc_skb(len); + + if (!skb) + return NULL; + + assoc = (struct ieee80211_assoc_response_frame *) + skb_put(skb,sizeof(struct ieee80211_assoc_response_frame)); + + assoc->header.frame_ctl = cpu_to_le16(IEEE80211_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_BSS : WLAN_CAPABILITY_IBSS); + + + if(ieee->short_slot) + assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT); + + 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); + + ieee80211_MFIE_Brate(ieee, &tag); + ieee80211_MFIE_Grate(ieee, &tag); + + return skb; +} + +struct sk_buff* ieee80211_auth_resp(struct ieee80211_device *ieee,int status, u8 *dest) +{ + struct sk_buff *skb; + struct ieee80211_authentication *auth; + + skb = dev_alloc_skb(sizeof(struct ieee80211_authentication)+1); + + if (!skb) + return NULL; + + skb->len = sizeof(struct ieee80211_authentication); + + auth = (struct ieee80211_authentication *)skb->data; + + auth->status = cpu_to_le16(status); + auth->transaction = cpu_to_le16(2); + auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN); + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + memcpy(auth->header.addr3, dest, ETH_ALEN); +#else + memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN); +#endif + memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(auth->header.addr1, dest, ETH_ALEN); + auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH); + return skb; + + +} + +struct sk_buff* ieee80211_null_func(struct ieee80211_device *ieee,short pwr) +{ + struct sk_buff *skb; + struct ieee80211_hdr_3addr* hdr; + + skb = dev_alloc_skb(sizeof(struct ieee80211_hdr_3addr)); + + if (!skb) + return NULL; + + hdr = (struct ieee80211_hdr_3addr*)skb_put(skb,sizeof(struct ieee80211_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(IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS | + (pwr ? IEEE80211_FCTL_PM:0)); + + return skb; + + +} + + +void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8* dest) +{ + struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest); + + if (buf){ + softmac_mgmt_xmit(buf, ieee); + dev_kfree_skb_any(buf);//edit by thomas + } +} + + +void ieee80211_resp_to_auth(struct ieee80211_device *ieee, int s, u8* dest) +{ + struct sk_buff *buf = ieee80211_auth_resp(ieee, s, dest); + + if (buf){ + softmac_mgmt_xmit(buf, ieee); + dev_kfree_skb_any(buf);//edit by thomas + } +} + + +void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest) +{ + + struct sk_buff *buf = ieee80211_probe_resp(ieee, dest); + + if (buf) { + softmac_mgmt_xmit(buf, ieee); + dev_kfree_skb_any(buf);//edit by thomas + } +} + + +inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beacon,struct ieee80211_device *ieee) +{ + struct sk_buff *skb; + //unsigned long flags; + + struct ieee80211_assoc_request_frame *hdr; + u8 *tag; + //short info_addr = 0; + //int i; + //u16 suite_count = 0; + //u8 suit_select = 0; + unsigned int wpa_len = beacon->wpa_ie_len; + //struct net_device *dev = ieee->dev; + //union iwreq_data wrqu; + //u8 *buff; + //u8 *p; +#if 1 + // for testing purpose + unsigned int rsn_len = beacon->rsn_ie_len; +#else + unsigned int rsn_len = beacon->rsn_ie_len - 4; +#endif + unsigned int rate_len = ieee80211_MFIE_rate_len(ieee); + unsigned int wmm_info_len = beacon->QoS_Enable?9:0; +#ifdef THOMAS_TURBO + unsigned int turbo_info_len = beacon->Turbo_Enable?9:0; +#endif + + u8 encry_proto = ieee->wpax_type_notify & 0xff; + //u8 pairwise_type = (ieee->wpax_type_notify >> 8) & 0xff; + //u8 authen_type = (ieee->wpax_type_notify >> 16) & 0xff; + + int len = 0; + + //[0] Notify type of encryption: WPA/WPA2 + //[1] pair wise type + //[2] authen type + if(ieee->wpax_type_set) { + if (IEEE_PROTO_WPA == encry_proto) { + rsn_len = 0; + } else if (IEEE_PROTO_RSN == encry_proto) { + wpa_len = 0; + } + } +#ifdef THOMAS_TURBO + len = sizeof(struct ieee80211_assoc_request_frame)+ + + beacon->ssid_len//essid tagged val + + rate_len//rates tagged val + + wpa_len + + rsn_len + + wmm_info_len + + turbo_info_len; +#else + len = sizeof(struct ieee80211_assoc_request_frame)+ + + beacon->ssid_len//essid tagged val + + rate_len//rates tagged val + + wpa_len + + rsn_len + + wmm_info_len; +#endif + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + skb = dev_alloc_skb(len+256); // stanley + else +#endif + skb = dev_alloc_skb(len); + + if (!skb) + return NULL; + + hdr = (struct ieee80211_assoc_request_frame *) + skb_put(skb, sizeof(struct ieee80211_assoc_request_frame)); + + + hdr->header.frame_ctl = IEEE80211_STYPE_ASSOC_REQ; + hdr->header.duration_id= 37; //FIXME + 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);//for HW security, John + + hdr->capability = cpu_to_le16(WLAN_CAPABILITY_BSS); + 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) + hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT); + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_association_req_1) + ieee->ext_patch_ieee80211_association_req_1(hdr); +#endif + + hdr->listen_interval = 0xa; //FIXME + + hdr->info_element.id = MFIE_TYPE_SSID; + + hdr->info_element.len = beacon->ssid_len; + tag = skb_put(skb, beacon->ssid_len); + memcpy(tag, beacon->ssid, beacon->ssid_len); + + tag = skb_put(skb, rate_len); + + ieee80211_MFIE_Brate(ieee, &tag); + ieee80211_MFIE_Grate(ieee, &tag); + + //add rsn==0 condition for ap's mix security mode(wpa+wpa2), john2007.8.9 + //choose AES encryption as default algorithm while using mixed mode +#if 0 + if(rsn_len == 0){ + + tag = skb_put(skb,wpa_len); + + if(wpa_len) { + + + //{add by david. 2006.8.31 + //fix linksys compatibility bug + //} + if(wpa_len > 24) {//22+2, mean include the capability + beacon->wpa_ie[wpa_len - 2] = 0; + } + //multicast cipher OUI + if( beacon->wpa_ie[11]==0x2 ){ //0x0050f202 is the oui of tkip + ieee->broadcast_key_type = KEY_TYPE_TKIP; + } + else if( beacon->wpa_ie[11]==0x4 ){//0x0050f204 is the oui of ccmp + ieee->broadcast_key_type = KEY_TYPE_CCMP; + } + //unicast cipher OUI + if( beacon->wpa_ie[14]==0 + && beacon->wpa_ie[15]==0x50 + && beacon->wpa_ie[16]==0xf2 + && beacon->wpa_ie[17]==0x2 ){ //0x0050f202 is the oui of tkip + ieee->pairwise_key_type = KEY_TYPE_TKIP; + } + + else if( beacon->wpa_ie[14]==0 + && beacon->wpa_ie[15]==0x50 + && beacon->wpa_ie[16]==0xf2 + && beacon->wpa_ie[17]==0x4 ){//0x0050f204 is the oui of ccmp + ieee->pairwise_key_type = KEY_TYPE_CCMP; + } + //indicate the wpa_ie content to WPA_SUPPLICANT + buff = kmalloc(IW_CUSTOM_MAX, GFP_ATOMIC); + memset(buff, 0, IW_CUSTOM_MAX); + p=buff; + p += sprintf(p, "ASSOCINFO(ReqIEs="); + for(i=0;i<wpa_len;i++){ + p += sprintf(p, "%02x", beacon->wpa_ie[i]); + } + p += sprintf(p, ")"); + memset(&wrqu, 0, sizeof(wrqu) ); + wrqu.data.length = p - buff; + + wireless_send_event(dev, IWEVCUSTOM, &wrqu, buff); + memcpy(tag,beacon->wpa_ie,wpa_len); + } + + } + + if(rsn_len > 22) { + + if( beacon->rsn_ie[4]==0x0 && + beacon->rsn_ie[5]==0xf && + beacon->rsn_ie[6]==0xac){ + + switch(beacon->rsn_ie[7]){ + case 0x1: + ieee->broadcast_key_type = KEY_TYPE_WEP40; + break; + case 0x2: + ieee->broadcast_key_type = KEY_TYPE_TKIP; + break; + case 0x4: + ieee->broadcast_key_type = KEY_TYPE_CCMP; + break; + case 0x5: + ieee->broadcast_key_type = KEY_TYPE_WEP104; + break; + default: + printk("fault suite type in RSN broadcast key\n"); + break; + } + } + + if( beacon->rsn_ie[10]==0x0 && + beacon->rsn_ie[11]==0xf && + beacon->rsn_ie[12]==0xac){ + if(beacon->rsn_ie[8]==1){//not mixed mode + switch(beacon->rsn_ie[13]){ + case 0x2: + ieee->pairwise_key_type = KEY_TYPE_TKIP; + break; + case 0x4: + ieee->pairwise_key_type = KEY_TYPE_CCMP; + break; + default: + printk("fault suite type in RSN pairwise key\n"); + break; + } + } + else if(beacon->rsn_ie[8]==2){//mixed mode + ieee->pairwise_key_type = KEY_TYPE_CCMP; + } + } + + + + tag = skb_put(skb,22); + memcpy(tag,(beacon->rsn_ie + info_addr),8); + tag[1] = 20; + tag += 8; + info_addr += 8; + + spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags); + for (i = 0; i < 2; i++) { + tag[0] = 1; + tag[1] = 0; + tag += 2; + suite_count = beacon->rsn_ie[info_addr] + \ + (beacon->rsn_ie[info_addr + 1] << 8); + info_addr += 2; + if(1 == suite_count) { + memcpy(tag,(beacon->rsn_ie + info_addr),4); + info_addr += 4; + } else { + // if the wpax_type_notify has been set by the application, + // just use it, otherwise just use the default one. + if(ieee->wpax_type_set) { + suit_select = ((0 == i) ? pairwise_type:authen_type)&0x0f ; + memcpy(tag,rsn_authen_cipher_suite[suit_select],4); + } else { + //default set as ccmp, or none authentication + if(i == 0) { + memcpy(tag,rsn_authen_cipher_suite[4],4); + } else { + memcpy(tag,rsn_authen_cipher_suite[2],4); + } + + } + + info_addr += (suite_count * 4); + } + tag += 4; + } + spin_unlock_irqrestore(&ieee->wpax_suitlist_lock,flags); + + tag[0] = 0; + tag[1] = beacon->rsn_ie[info_addr+1]; + + } else { + tag = skb_put(skb,rsn_len); + if(rsn_len) { + + + if( beacon->rsn_ie[4]==0x0 && + beacon->rsn_ie[5]==0xf && + beacon->rsn_ie[6]==0xac){ + switch(beacon->rsn_ie[7]){ + case 0x1: + ieee->broadcast_key_type = KEY_TYPE_WEP40; + break; + case 0x2: + ieee->broadcast_key_type = KEY_TYPE_TKIP; + break; + case 0x4: + ieee->broadcast_key_type = KEY_TYPE_CCMP; + break; + case 0x5: + ieee->broadcast_key_type = KEY_TYPE_WEP104; + break; + default: + printk("fault suite type in RSN broadcast key\n"); + break; + } + } + if( beacon->rsn_ie[10]==0x0 && + beacon->rsn_ie[11]==0xf && + beacon->rsn_ie[12]==0xac){ + if(beacon->rsn_ie[8]==1){//not mixed mode + switch(beacon->rsn_ie[13]){ + case 0x2: + ieee->pairwise_key_type = KEY_TYPE_TKIP; + break; + case 0x4: + ieee->pairwise_key_type = KEY_TYPE_CCMP; + break; + default: + printk("fault suite type in RSN pairwise key\n"); + break; + } + + } + else if(beacon->rsn_ie[8]==2){//mixed mode + ieee->pairwise_key_type = KEY_TYPE_CCMP; + } + } + + + beacon->rsn_ie[rsn_len - 2] = 0; + memcpy(tag,beacon->rsn_ie,rsn_len); + } + } +#else + tag = skb_put(skb,ieee->wpa_ie_len); + memcpy(tag,ieee->wpa_ie,ieee->wpa_ie_len); +#endif + tag = skb_put(skb,wmm_info_len); + if(wmm_info_len) { + ieee80211_WMM_Info(ieee, &tag); + } +#ifdef THOMAS_TURBO + tag = skb_put(skb,turbo_info_len); + if(turbo_info_len) { + ieee80211_TURBO_Info(ieee, &tag); + } +#endif + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_association_req_2) + ieee->ext_patch_ieee80211_association_req_2(ieee, beacon, skb); +#endif + + return skb; +} + +void ieee80211_associate_abort(struct ieee80211_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 == IEEE80211_ASSOCIATING_AUTHENTICATING){ + IEEE80211_DEBUG_MGMT("Authentication failed\n"); + ieee->softmac_stats.no_auth_rs++; + }else{ + IEEE80211_DEBUG_MGMT("Association failed\n"); + ieee->softmac_stats.no_ass_rs++; + } + + ieee->state = IEEE80211_ASSOCIATING_RETRY; + + queue_delayed_work(ieee->wq, &ieee->associate_retry_wq,IEEE80211_SOFTMAC_ASSOC_RETRY_TIME); + + spin_unlock_irqrestore(&ieee->lock, flags); +} + +void ieee80211_associate_abort_cb(unsigned long dev) +{ + ieee80211_associate_abort((struct ieee80211_device *) dev); +} + + +void ieee80211_associate_step1(struct ieee80211_device *ieee) +{ + struct ieee80211_network *beacon = &ieee->current_network; + struct sk_buff *skb; + + IEEE80211_DEBUG_MGMT("Stopping scan\n"); + ieee->softmac_stats.tx_auth_rq++; + skb=ieee80211_authentication_req(beacon, ieee, 0); +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode ) { + if(skb) + softmac_mgmt_xmit(skb, ieee); + return; + }else +#endif + if (!skb){ + + ieee80211_associate_abort(ieee); + } + else{ + ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATING ; + IEEE80211_DEBUG_MGMT("Sending authentication request\n"); + //printk("---Sending authentication request\n"); + softmac_mgmt_xmit(skb, ieee); + //BUGON when you try to add_timer twice, using mod_timer may be better, john0709 + if(!timer_pending(&ieee->associate_timer)){ + ieee->associate_timer.expires = jiffies + (HZ / 2); + add_timer(&ieee->associate_timer); + } + //If call dev_kfree_skb_any,a warning will ocur.... + //KERNEL: assertion (!atomic_read(&skb->users)) failed at net/core/dev.c (1708) + //So ... 1204 by lawrence. + //printk("\nIn %s,line %d call kfree skb.",__func__,__LINE__); + //dev_kfree_skb_any(skb);//edit by thomas + } +} + +void ieee80211_auth_challenge(struct ieee80211_device *ieee, u8 *challenge, int chlen) +{ + u8 *c; + struct sk_buff *skb; + struct ieee80211_network *beacon = &ieee->current_network; +// int hlen = sizeof(struct ieee80211_authentication); + del_timer_sync(&ieee->associate_timer); + ieee->associate_seq++; + ieee->softmac_stats.tx_auth_rq++; + + skb = ieee80211_authentication_req(beacon, ieee, chlen+2); + if (!skb) + ieee80211_associate_abort(ieee); + else{ + c = skb_put(skb, chlen+2); + *(c++) = MFIE_TYPE_CHALLENGE; + *(c++) = chlen; + memcpy(c, challenge, chlen); + + IEEE80211_DEBUG_MGMT("Sending authentication challenge response\n"); + + ieee80211_encrypt_fragment(ieee, skb, sizeof(struct ieee80211_hdr_3addr )); + + softmac_mgmt_xmit(skb, ieee); + if (!timer_pending(&ieee->associate_timer)){ + //printk("=========>add timer again, to crash\n"); + ieee->associate_timer.expires = jiffies + (HZ / 2); + add_timer(&ieee->associate_timer); + } + dev_kfree_skb_any(skb);//edit by thomas + } + kfree(challenge); +} + +#ifdef _RTL8187_EXT_PATCH_ + +// based on ieee80211_assoc_resp +struct sk_buff* ieee80211_assoc_resp_by_net(struct ieee80211_device *ieee, u8 *dest, unsigned short status, struct ieee80211_network *pstat, int pkt_type) +{ + struct sk_buff *skb; + u8* tag; + + struct ieee80211_crypt_data* crypt; + struct ieee80211_assoc_response_frame *assoc; + short encrypt; + + unsigned int rate_len = ieee80211_MFIE_rate_len(ieee); + int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len; + + if(ieee->iw_mode == ieee->iw_ext_mode) + skb = dev_alloc_skb(len+256); // stanley + else + skb = dev_alloc_skb(len); + + if (!skb) + return NULL; + + assoc = (struct ieee80211_assoc_response_frame *) + skb_put(skb,sizeof(struct ieee80211_assoc_response_frame)); + + assoc->header.frame_ctl = cpu_to_le16(pkt_type); + + 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_BSS : WLAN_CAPABILITY_IBSS); + + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_assoc_resp_by_net_1) + ieee->ext_patch_ieee80211_assoc_resp_by_net_1(assoc); + + if(ieee->short_slot) + assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT); + + 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++; + + assoc->info_element.id = 230; // Stanley, an unused id (just a hot fix) + assoc->info_element.len = 0; + + tag = (u8*) skb_put(skb, rate_len); + + ieee80211_MFIE_Brate(ieee, &tag); + ieee80211_MFIE_Grate(ieee, &tag); + + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_assoc_resp_by_net_2) + ieee->ext_patch_ieee80211_assoc_resp_by_net_2(ieee, pstat, pkt_type, skb); + + return skb; +} + +// based on ieee80211_resp_to_assoc_rq +void ieee80211_ext_issue_assoc_rsp(struct ieee80211_device *ieee, u8 *dest, unsigned short status, struct ieee80211_network *pstat, int pkt_type) +{ + struct sk_buff *buf = ieee80211_assoc_resp_by_net(ieee, dest, status, pstat, pkt_type); + + if (buf) + softmac_mgmt_xmit(buf, ieee); +} + +// based on ieee80211_associate_step2 +void ieee80211_ext_issue_assoc_req(struct ieee80211_device *ieee, struct ieee80211_network *pstat) +{ + + struct sk_buff* skb; + + // printk("@@@@@ ieee80211_ext_issue_assoc_req on channel: %d\n", ieee->current_network.channel); + + ieee->softmac_stats.tx_ass_rq++; + skb=ieee80211_association_req(pstat, ieee); + if (skb) + softmac_mgmt_xmit(skb, ieee); +} + +void ieee80211_ext_issue_disassoc(struct ieee80211_device *ieee, struct ieee80211_network *pstat, int reason, unsigned char extReason) +{ + // do nothing + // printk("@@@@@ ieee80211_ext_issue_disassoc\n"); + return; +} +#endif // _RTL8187_EXT_PATCH_ + +void ieee80211_associate_step2(struct ieee80211_device *ieee) +{ + struct sk_buff* skb; + struct ieee80211_network *beacon = &ieee->current_network; + + del_timer_sync(&ieee->associate_timer); + + IEEE80211_DEBUG_MGMT("Sending association request\n"); + ieee->softmac_stats.tx_ass_rq++; + skb=ieee80211_association_req(beacon, ieee); + if (!skb) + ieee80211_associate_abort(ieee); + else{ + softmac_mgmt_xmit(skb, ieee); + if (!timer_pending(&ieee->associate_timer)){ + ieee->associate_timer.expires = jiffies + (HZ / 2); + add_timer(&ieee->associate_timer); + } + //dev_kfree_skb_any(skb);//edit by thomas + } +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_associate_complete_wq(struct work_struct *work) +{ + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq); +#else +void ieee80211_associate_complete_wq(struct ieee80211_device *ieee) +{ +#endif + printk(KERN_INFO "Associated successfully\n"); + if(ieee80211_is_54g(ieee->current_network) && + (ieee->modulation & IEEE80211_OFDM_MODULATION)){ + + ieee->rate = 540; + printk(KERN_INFO"Using G rates\n"); + }else{ + ieee->rate = 110; + printk(KERN_INFO"Using B rates\n"); + } + 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 ieee80211_associate_complete(struct ieee80211_device *ieee) +{ + int i; + del_timer_sync(&ieee->associate_timer); + + for(i = 0; i < 6; i++) { + //ieee->seq_ctrl[i] = 0; + } + ieee->state = IEEE80211_LINKED; + IEEE80211_DEBUG_MGMT("Successfully associated\n"); + + queue_work(ieee->wq, &ieee->associate_complete_wq); +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_associate_procedure_wq(struct work_struct *work) +{ + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_procedure_wq); +#else +void ieee80211_associate_procedure_wq(struct ieee80211_device *ieee) +{ +#endif + ieee->sync_scan_hurryup = 1; + down(&ieee->wx_sem); + + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); + + ieee80211_stop_scan(ieee); + ieee->set_chan(ieee->dev, ieee->current_network.channel); + + ieee->associate_seq = 1; + ieee80211_associate_step1(ieee); + + up(&ieee->wx_sem); +} +#ifdef _RTL8187_EXT_PATCH_ +// based on ieee80211_associate_procedure_wq + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) +void ieee80211_ext_stop_scan_wq(struct work_struct *work) +{ + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ext_stop_scan_wq); +#else +void ieee80211_ext_stop_scan_wq(struct ieee80211_device *ieee) +{ +#endif + if (ieee->scanning == 0) + { + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel + && ( ieee->current_network.channel == ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel(ieee) ) ) + return; + } + + ieee->sync_scan_hurryup = 1; + + down(&ieee->wx_sem); + + // printk("@@@@@@@@@@ ieee80211_ext_stop_scan_wq\n"); + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); + + ieee80211_stop_scan(ieee); + + // set channel + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel) + ieee->set_chan(ieee->dev, ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel(ieee)); + else + ieee->set_chan(ieee->dev, ieee->current_network.channel); + // + up(&ieee->wx_sem); +} + + +void ieee80211_ext_send_11s_beacon(struct ieee80211_device *ieee) +{ + #if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + queue_work(ieee->wq, &ieee->ext_send_beacon_wq); + #else + schedule_task(&ieee->ext_send_beacon_wq); + #endif + +} + +#endif // _RTL8187_EXT_PATCH_ + +inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_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 != IEEE80211_NOLINK) + return; + + if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_BSS)) + return; + + if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS)) + return; + + + if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC){ + /* if the user specified the AP MAC, we need also the essid + * This could be obtained by beacons or, if the network does not + * broadcast it, it can be put manually. + */ + apset = ieee->wap_set;//(memcmp(ieee->current_network.bssid, zero,ETH_ALEN)!=0 ); + ssidset = ieee->ssid_set;//ieee->current_network.ssid[0] != '\0'; + ssidbroad = !(net->ssid_len == 0 || net->ssid[0]== '\0'); + apmatch = (memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN)==0); + + if(ieee->current_network.ssid_len != net->ssid_len) + ssidmatch = 0; + else + ssidmatch = (0==strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len)); + + //printk("cur: %s, %d, net:%s, %d\n", ieee->current_network.ssid, ieee->current_network.ssid_len, net->ssid, net->ssid_len); + //printk("apset=%d apmatch=%d ssidset=%d ssidbroad=%d ssidmatch=%d\n",apset,apmatch,ssidset,ssidbroad,ssidmatch); + + 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) + ){ + + + /* 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 ieee80211_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 is %d\n",ieee->current_network.ssid,ieee->current_network.channel); + + if (ieee->iw_mode == IW_MODE_INFRA){ + ieee->state = IEEE80211_ASSOCIATING; + ieee->beinretry = false; + queue_work(ieee->wq, &ieee->associate_procedure_wq); + }else{ + if(ieee80211_is_54g(ieee->current_network) && + (ieee->modulation & IEEE80211_OFDM_MODULATION)){ + ieee->rate = 540; + printk(KERN_INFO"Using G rates\n"); + }else{ + ieee->rate = 110; + printk(KERN_INFO"Using B rates\n"); + } + ieee->state = IEEE80211_LINKED; + ieee->beinretry = false; + } + + } + } + +} + +void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee) +{ + unsigned long flags; + struct ieee80211_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 != IEEE80211_NOLINK) + break; + + if (ieee->scan_age == 0 || time_after(target->last_scanned + ieee->scan_age, jiffies)) + ieee80211_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 ieee80211_authentication *a; + u8 *t; + if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){ + IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n",skb->len); + return 0xcafe; + } + *challenge = NULL; + a = (struct ieee80211_authentication*) skb->data; + if(skb->len > (sizeof(struct ieee80211_authentication) +3)){ + t = skb->data + sizeof(struct ieee80211_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 ieee80211_authentication *a; + + if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){ + IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len); + return -1; + } + a = (struct ieee80211_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 ieee80211_device *ieee, struct sk_buff *skb, u8 *src) +{ + u8 *tag; + u8 *skbend; + u8 *ssid=NULL; + u8 ssidlen = 0; + + struct ieee80211_hdr_3addr *header = + (struct ieee80211_hdr_3addr *) skb->data; + + if (skb->len < sizeof (struct ieee80211_hdr_3addr )) + return -1; /* corrupted */ + + memcpy(src,header->addr2, ETH_ALEN); + + skbend = (u8*)skb->data + skb->len; + + tag = skb->data + sizeof (struct ieee80211_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 */ + } + + //IEEE80211DMESG("Card MAC address is "MACSTR, MAC2STR(src)); + 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 ieee80211_assoc_request_frame *a; + + if (skb->len < (sizeof(struct ieee80211_assoc_request_frame) - + sizeof(struct ieee80211_info_element))) { + + IEEE80211_DEBUG_MGMT("invalid len in auth request:%d \n", skb->len); + return -1; + } + + a = (struct ieee80211_assoc_request_frame*) skb->data; + + memcpy(dest,a->header.addr2,ETH_ALEN); + + return 0; +} + +static inline u16 assoc_parse(struct sk_buff *skb, int *aid) +{ + struct ieee80211_assoc_response_frame *a; + if (skb->len < sizeof(struct ieee80211_assoc_response_frame)){ + IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len); + return 0xcafe; + } + + a = (struct ieee80211_assoc_response_frame*) skb->data; + *aid = le16_to_cpu(a->aid) & 0x3fff; + return le16_to_cpu(a->status); +} + +static inline void +ieee80211_rx_probe_rq(struct ieee80211_device *ieee, struct sk_buff *skb) +{ + u8 dest[ETH_ALEN]; + + //IEEE80211DMESG("Rx probe"); + ieee->softmac_stats.rx_probe_rq++; + //DMESG("Dest is "MACSTR, MAC2STR(dest)); + if (probe_rq_parse(ieee, skb, dest)){ + //IEEE80211DMESG("Was for me!"); + ieee->softmac_stats.tx_probe_rs++; + ieee80211_resp_to_probe(ieee, dest); + } +} + +inline void +ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb) +{ + u8 dest[ETH_ALEN]; + int status; + //IEEE80211DMESG("Rx probe"); + ieee->softmac_stats.rx_auth_rq++; + + if ((status = auth_rq_parse(skb, dest))!= -1){ + ieee80211_resp_to_auth(ieee, status, dest); + } + //DMESG("Dest is "MACSTR, MAC2STR(dest)); + +} + + inline void +ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb) +{ + + u8 dest[ETH_ALEN]; + //unsigned long flags; + + ieee->softmac_stats.rx_ass_rq++; + if (assoc_rq_parse(skb,dest) != -1){ + ieee80211_resp_to_assoc_rq(ieee, dest); + } + + printk(KERN_INFO"New client associated: "MAC_FMT"\n", MAC_ARG(dest)); + //FIXME + #if 0 + spin_lock_irqsave(&ieee->lock,flags); + add_associate(ieee,dest); + spin_unlock_irqrestore(&ieee->lock,flags); + #endif +} + + + +void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr) +{ + + struct sk_buff *buf = ieee80211_null_func(ieee, pwr); + + if (buf) + softmac_ps_mgmt_xmit(buf, ieee); + +} + + +short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l) +{ +#if 0 + int timeout = ieee->ps_timeout; +#else + int timeout = 0; +#endif + u8 dtim; + /*if(ieee->ps == IEEE80211_PS_DISABLED || + ieee->iw_mode != IW_MODE_INFRA || + ieee->state != IEEE80211_LINKED) + + return 0; + */ + dtim = ieee->current_network.dtim_data; + //printk("DTIM\n"); + + if(!(dtim & IEEE80211_DTIM_VALID)) + return 0; + else + timeout = ieee->current_network.beacon_interval; + + //printk("VALID\n"); + ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID; + + if(dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST)& 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 0 + if(time_l){ + *time_l = ieee->current_network.last_dtim_sta_time[0] + + (ieee->current_network.beacon_interval + * ieee->current_network.dtim_period) * 1000; + } +#else + if(time_l){ + *time_l = ieee->current_network.last_dtim_sta_time[0] + + MSECS((ieee->current_network.beacon_interval)); + //* ieee->current_network.dtim_period)); + //printk("beacon_interval:%x, dtim_period:%x, totol to Msecs:%x, HZ:%x\n", ieee->current_network.beacon_interval, ieee->current_network.dtim_period, MSECS(((ieee->current_network.beacon_interval * ieee->current_network.dtim_period))), HZ); + } + +#endif + 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 ieee80211_sta_ps(struct ieee80211_device *ieee) +{ + + u32 th,tl; + short sleep; + + unsigned long flags,flags2; + + spin_lock_irqsave(&ieee->lock, flags); + + if((ieee->ps == IEEE80211_PS_DISABLED || + + ieee->iw_mode != IW_MODE_INFRA || + ieee->state != IEEE80211_LINKED)){ + + //#warning CHECK_LOCK_HERE + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + ieee80211_sta_wakeup(ieee, 1); + + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + + sleep = ieee80211_sta_ps_sleep(ieee,&th, &tl); +// printk("===>%s,%d[2 wake, 1 sleep, 0 do nothing], ieee->sta_sleep = %d\n",__func__, sleep,ieee->sta_sleep); + /* 2 wake, 1 sleep, 0 do nothing */ + if(sleep == 0) + goto out; + + if(sleep == 1){ + + if(ieee->sta_sleep == 1) + ieee->enter_sleep_state(ieee->dev,th,tl); + + else if(ieee->sta_sleep == 0){ + // printk("send null 1\n"); + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + if(ieee->ps_is_queue_empty(ieee->dev)){ + + + ieee->sta_sleep = 2; + + ieee->ps_request_tx_ack(ieee->dev); + + ieee80211_sta_ps_send_null_frame(ieee,1); + + ieee->ps_th = th; + ieee->ps_tl = tl; + } + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + + } + + + }else if(sleep == 2){ +//#warning CHECK_LOCK_HERE + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + // printk("send wakeup packet\n"); + ieee80211_sta_wakeup(ieee,1); + + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + +out: + spin_unlock_irqrestore(&ieee->lock, flags); + +} + +void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl) +{ + if(ieee->sta_sleep == 0){ + if(nl){ + // printk("Warning: driver is probably failing to report TX ps error\n"); + ieee->ps_request_tx_ack(ieee->dev); + ieee80211_sta_ps_send_null_frame(ieee, 0); + } + return; + + } + + if(ieee->sta_sleep == 1) + ieee->sta_wake_up(ieee->dev); + + ieee->sta_sleep = 0; + + if(nl){ + ieee->ps_request_tx_ack(ieee->dev); + ieee80211_sta_ps_send_null_frame(ieee, 0); + } +} + +void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success) +{ + unsigned long flags,flags2; + + spin_lock_irqsave(&ieee->lock, flags); + if(ieee->sta_sleep == 2){ + /* Null frame with PS bit set */ + if(success){ + + // printk("==================> %s::enter sleep state\n",__func__); + ieee->sta_sleep = 1; + 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 + */ + } + /* 21112005 - tx again null without PS bit if lost */ + else { + + if((ieee->sta_sleep == 0) && !success){ + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + ieee80211_sta_ps_send_null_frame(ieee, 0); + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + } + spin_unlock_irqrestore(&ieee->lock, flags); +} + +inline int +ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb, + struct ieee80211_rx_stats *rx_stats, u16 type, + u16 stype) +{ + struct ieee80211_hdr_3addr *header = (struct ieee80211_hdr_3addr *) skb->data; + u16 errcode; + u8* challenge=NULL; + int chlen=0; + int aid=0; + struct ieee80211_assoc_response_frame *assoc_resp; + struct ieee80211_info_element *info_element; + + if(!ieee->proto_started) + return 0; + + if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED && + ieee->iw_mode == IW_MODE_INFRA && + ieee->state == IEEE80211_LINKED)) + + tasklet_schedule(&ieee->ps_task); + + if(WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP && + WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON) + ieee->last_rx_ps_time = jiffies; + + switch (WLAN_FC_GET_STYPE(header->frame_ctl)) { + + case IEEE80211_STYPE_ASSOC_RESP: + case IEEE80211_STYPE_REASSOC_RESP: + + IEEE80211_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n", + WLAN_FC_GET_STYPE(header->frame_ctl)); + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATED && + ieee->iw_mode == IW_MODE_INFRA){ + if (0 == (errcode=assoc_parse(skb, &aid))){ + u16 left; + + ieee->state=IEEE80211_LINKED; + ieee->assoc_id = aid; + ieee->softmac_stats.rx_ass_ok++; + + //printk(KERN_WARNING "nic_type = %s", (rx_stats->nic_type == 1)?"rtl8187":"rtl8187B"); + if(1 == rx_stats->nic_type) //card type is 8187 + { + goto associate_complete; + } + assoc_resp = (struct ieee80211_assoc_response_frame*)skb->data; + info_element = &assoc_resp->info_element; + left = skb->len - ((void*)info_element - (void*)assoc_resp); + + while (left >= sizeof(struct ieee80211_info_element_hdr)) { + if (sizeof(struct ieee80211_info_element_hdr) + info_element->len > left) { + printk(KERN_WARNING "[re]associate reeponse error!"); + return 1; + } + switch (info_element->id) { + case MFIE_TYPE_GENERIC: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_GENERIC: %d bytes\n", info_element->len); + if (info_element->len >= 8 && + info_element->data[0] == 0x00 && + info_element->data[1] == 0x50 && + info_element->data[2] == 0xf2 && + info_element->data[3] == 0x02 && + info_element->data[4] == 0x01) { + // Not care about version at present. + //WMM Parameter Element + memcpy(ieee->current_network.wmm_param,(u8*)(info_element->data\ + + 8),(info_element->len - 8)); + + if (((ieee->current_network.wmm_info^info_element->data[6])& \ + 0x0f)||(!ieee->init_wmmparam_flag)) { + //refresh paramete element for current network + // update the register parameter for hardware + ieee->init_wmmparam_flag = 1; + queue_work(ieee->wq, &ieee->wmm_param_update_wq); + + } + //update info_element for current network + ieee->current_network.wmm_info = info_element->data[6]; + } + break; + default: + //nothing to do at present!!! + break; + } + + left -= sizeof(struct ieee80211_info_element_hdr) + + info_element->len; + info_element = (struct ieee80211_info_element *) + &info_element->data[info_element->len]; + } + if(!ieee->init_wmmparam_flag) //legacy AP, reset the AC_xx_param register + { + queue_work(ieee->wq,&ieee->wmm_param_update_wq); + ieee->init_wmmparam_flag = 1;//indicate AC_xx_param upated since last associate + } +associate_complete: + ieee80211_associate_complete(ieee); + }else{ + ieee->softmac_stats.rx_ass_err++; + IEEE80211_DEBUG_MGMT( + "Association response status code 0x%x\n", + errcode); + ieee80211_associate_abort(ieee); + } + } +#ifdef _RTL8187_EXT_PATCH_ + else if ((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_frame_softmac_on_assoc_rsp) + { + ieee->ext_patch_ieee80211_rx_frame_softmac_on_assoc_rsp(ieee, skb); + } +#endif + break; + + case IEEE80211_STYPE_ASSOC_REQ: + case IEEE80211_STYPE_REASSOC_REQ: + + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + ieee->iw_mode == IW_MODE_MASTER) + + ieee80211_rx_assoc_rq(ieee, skb); +#ifdef _RTL8187_EXT_PATCH_ + else if ((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_frame_softmac_on_assoc_req) + { + ieee->ext_patch_ieee80211_rx_frame_softmac_on_assoc_req(ieee, skb); + } +#endif + break; + + case IEEE80211_STYPE_AUTH: + +#ifdef _RTL8187_EXT_PATCH_ +printk("IEEE80211_STYPE_AUTH\n"); + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_frame_softmac_on_auth) + if( ieee->ext_patch_ieee80211_rx_frame_softmac_on_auth(ieee, skb, rx_stats) ); +#endif + if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){ + if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING && + ieee->iw_mode == IW_MODE_INFRA){ + + IEEE80211_DEBUG_MGMT("Received authentication response"); + + if (0 == (errcode=auth_parse(skb, &challenge, &chlen))){ + if(ieee->open_wep || !challenge){ + ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED; + ieee->softmac_stats.rx_auth_rs_ok++; + + ieee80211_associate_step2(ieee); + }else{ + ieee80211_auth_challenge(ieee, challenge, chlen); + } + }else{ + ieee->softmac_stats.rx_auth_rs_err++; + IEEE80211_DEBUG_MGMT("Authentication respose status code 0x%x",errcode); + ieee80211_associate_abort(ieee); + } + + }else if (ieee->iw_mode == IW_MODE_MASTER){ + ieee80211_rx_auth_rq(ieee, skb); + } + } + break; + + case IEEE80211_STYPE_PROBE_REQ: + + if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) && + ((ieee->iw_mode == IW_MODE_ADHOC || + ieee->iw_mode == IW_MODE_MASTER) && + ieee->state == IEEE80211_LINKED)) + + ieee80211_rx_probe_rq(ieee, skb); + break; + + case IEEE80211_STYPE_DISASSOC: + case IEEE80211_STYPE_DEAUTH: +#ifdef _RTL8187_EXT_PATCH_ +printk("IEEE80211_STYPE_DEAUTH\n"); + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_frame_softmac_on_deauth) + if( ieee->ext_patch_ieee80211_rx_frame_softmac_on_deauth(ieee, skb, rx_stats) ) ; +#endif + /* FIXME for now repeat all the association procedure + * both for disassociation and deauthentication + */ + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + (ieee->state == IEEE80211_LINKED) && + (ieee->iw_mode == IW_MODE_INFRA) && + (!memcmp(header->addr2,ieee->current_network.bssid,ETH_ALEN))){ + ieee->state = IEEE80211_ASSOCIATING; + ieee->softmac_stats.reassoc++; + + //notify_wx_assoc_event(ieee); //YJ,del,080828, do not notify os here + queue_work(ieee->wq, &ieee->associate_procedure_wq); + } + + break; + + default: + return -1; + break; + } + + //dev_kfree_skb_any(skb); + 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 ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee) +{ + + + unsigned long flags; + int i; +#ifdef _RTL8187_EXT_PATCH_ + int rate = ieee->rate; +#endif + + spin_lock_irqsave(&ieee->lock,flags); + #if 0 + if(ieee->queue_stop){ + IEEE80211DMESG("EE: IEEE hard_start_xmit invoked when kernel queue should be stopped"); + netif_stop_queue(ieee->dev); + ieee->ieee_stats.swtxstop++; + //dev_kfree_skb_any(skb); + err = 1; + goto exit; + } + + ieee->stats.tx_bytes+=skb->len; + + + txb=ieee80211_skb_to_txb(ieee,skb); + + + if(txb==NULL){ + IEEE80211DMESG("WW: IEEE stack failed to provide txb"); + //dev_kfree_skb_any(skb); + err = 1; + goto exit; + } + #endif + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_softmac_xmit_get_rate && txb->nr_frags) + { + rate = ieee->ext_patch_ieee80211_softmac_xmit_get_rate(ieee, txb->fragments[0]); + } +#endif + /* called with 2nd parm 0, no tx mgmt lock required */ + ieee80211_sta_wakeup(ieee,0); + + for(i = 0; i < txb->nr_frags; i++) { + + if (ieee->queue_stop){ + ieee->tx_pending.txb = txb; + ieee->tx_pending.frag = i; + goto exit; + }else{ + ieee->softmac_data_hard_start_xmit( + txb->fragments[i], +#ifdef _RTL8187_EXT_PATCH_ + ieee->dev, rate); +#else + ieee->dev,ieee->rate); +#endif + //(i+1)<txb->nr_frags); + ieee->stats.tx_packets++; + ieee->stats.tx_bytes += txb->fragments[i]->len; + ieee->dev->trans_start = jiffies; + } + } + + ieee80211_txb_free(txb); + + exit: + spin_unlock_irqrestore(&ieee->lock,flags); + +} + +/* called with ieee->lock acquired */ +void ieee80211_resume_tx(struct ieee80211_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); + //(i+1)<ieee->tx_pending.txb->nr_frags); + ieee->stats.tx_packets++; + ieee->dev->trans_start = jiffies; + } + } + + + ieee80211_txb_free(ieee->tx_pending.txb); + ieee->tx_pending.txb = NULL; +} + + +void ieee80211_reset_queue(struct ieee80211_device *ieee) +{ + unsigned long flags; + + spin_lock_irqsave(&ieee->lock,flags); + init_mgmt_queue(ieee); + if (ieee->tx_pending.txb){ + ieee80211_txb_free(ieee->tx_pending.txb); + ieee->tx_pending.txb = NULL; + } + ieee->queue_stop = 0; + spin_unlock_irqrestore(&ieee->lock,flags); + +} + +void ieee80211_wake_queue(struct ieee80211_device *ieee) +{ + + unsigned long flags; + struct sk_buff *skb; + struct ieee80211_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 ieee80211_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]++; + + //printk(KERN_ALERT "ieee80211_wake_queue \n"); + ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + dev_kfree_skb_any(skb);//edit by thomas + } + } + if (!ieee->queue_stop && ieee->tx_pending.txb) + ieee80211_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 ieee80211_stop_queue(struct ieee80211_device *ieee) +{ + //unsigned long flags; + //spin_lock_irqsave(&ieee->lock,flags); + + if (! netif_queue_stopped(ieee->dev)){ + netif_stop_queue(ieee->dev); + ieee->softmac_stats.swtxstop++; + } + ieee->queue_stop = 1; + //spin_unlock_irqrestore(&ieee->lock,flags); + +} + + +inline void ieee80211_randomize_cell(struct ieee80211_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 ieee80211_start_master_bss(struct ieee80211_device *ieee) +{ + ieee->assoc_id = 1; + + if (ieee->current_network.ssid_len == 0){ + strncpy(ieee->current_network.ssid, + IEEE80211_DEFAULT_TX_ESSID, + IW_ESSID_MAX_SIZE); + + ieee->current_network.ssid_len = strlen(IEEE80211_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 = IEEE80211_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 ieee80211_start_monitor_mode(struct ieee80211_device *ieee) +{ + if(ieee->raw_tx){ + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + } +} +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_start_ibss_wq(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq); +#else +void ieee80211_start_ibss_wq(struct ieee80211_device *ieee) +{ +#endif + + /* 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 + */ + + down(&ieee->wx_sem); + + + if (ieee->current_network.ssid_len == 0){ + strcpy(ieee->current_network.ssid,IEEE80211_DEFAULT_TX_ESSID); + ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID); + ieee->ssid_set = 1; + } + + /* check if we have this cell in our network list */ + ieee80211_softmac_check_all_nets(ieee); + +#ifdef ENABLE_DOT11D + if(ieee->state == IEEE80211_NOLINK) + ieee->current_network.channel = 10; +#endif + /* 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 ieee80211_new_net function, when + * finds a good net, just set the ieee->state to IEEE80211_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 == IEEE80211_NOLINK) + ieee80211_start_scan_syncro(ieee); + + /* the network definitively is not here.. create a new cell */ + if (ieee->state == IEEE80211_NOLINK){ + printk("creating new IBSS cell\n"); + if(!ieee->wap_set) + ieee80211_randomize_cell(ieee); + + if(ieee->modulation & IEEE80211_CCK_MODULATION){ + + ieee->current_network.rates_len = 4; + + ieee->current_network.rates[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; + ieee->current_network.rates[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; + ieee->current_network.rates[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; + ieee->current_network.rates[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; + + }else + ieee->current_network.rates_len = 0; + + if(ieee->modulation & IEEE80211_OFDM_MODULATION){ + ieee->current_network.rates_ex_len = 8; + + ieee->current_network.rates_ex[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB; + ieee->current_network.rates_ex[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB; + ieee->current_network.rates_ex[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB; + ieee->current_network.rates_ex[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB; + ieee->current_network.rates_ex[4] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB; + ieee->current_network.rates_ex[5] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB; + ieee->current_network.rates_ex[6] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB; + ieee->current_network.rates_ex[7] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB; + + ieee->rate = 540; + }else{ + ieee->current_network.rates_ex_len = 0; + ieee->rate = 110; + } + + // By default, WMM function will be disabled in IBSS mode + ieee->current_network.QoS_Enable = 0; + + ieee->current_network.atim_window = 0; + ieee->current_network.capability = WLAN_CAPABILITY_IBSS; + if(ieee->short_slot) + ieee->current_network.capability |= WLAN_CAPABILITY_SHORT_SLOT; + + } + + ieee->state = IEEE80211_LINKED; + ieee->set_chan(ieee->dev, ieee->current_network.channel); + ieee->link_change(ieee->dev); + + notify_wx_assoc_event(ieee); + + ieee80211_start_send_beacons(ieee); + printk(KERN_WARNING "after sending beacon packet!\n"); + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + + up(&ieee->wx_sem); +} +inline void ieee80211_start_ibss(struct ieee80211_device *ieee) +{ + queue_delayed_work(ieee->wq, &ieee->start_ibss_wq, 100); +} + +/* this is called only in user context, with wx_sem held */ +void ieee80211_start_bss(struct ieee80211_device *ieee) +{ + unsigned long flags; +#ifdef ENABLE_DOT11D + // + // Ref: 802.11d 11.1.3.3 + // STA shall not start a BSS unless properly formed Beacon frame including a Country IE. + // + if(IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee)) + { + if(! 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. + */ + ieee80211_softmac_check_all_nets(ieee); + + /* ensure no-one start an associating process (thus setting + * the ieee->state to ieee80211_ASSOCIATING) while we + * have just cheked it and we are going to enable scan. + * The ieee80211_new_net function is always called with + * lock held (from both ieee80211_softmac_check_all_nets and + * the rx path), so we cannot be in the middle of such function + */ + spin_lock_irqsave(&ieee->lock, flags); + +//#ifdef ENABLE_IPS +// printk("start bss ENABLE_IPS\n"); +//#else + if (ieee->state == IEEE80211_NOLINK){ + ieee->actscanning = true; + ieee80211_start_scan(ieee); + } +//#endif + spin_unlock_irqrestore(&ieee->lock, flags); +} + +/* called only in userspace context */ +void ieee80211_disassociate(struct ieee80211_device *ieee) +{ + netif_carrier_off(ieee->dev); + + if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE) + ieee80211_reset_queue(ieee); + + 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 = IEEE80211_NOLINK; + ieee->link_change(ieee->dev); + notify_wx_assoc_event(ieee); + +} +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_associate_retry_wq(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq); +#else +void ieee80211_associate_retry_wq(struct ieee80211_device *ieee) +{ +#endif + unsigned long flags; + down(&ieee->wx_sem); + if(!ieee->proto_started) + goto exit; + if(ieee->state != IEEE80211_ASSOCIATING_RETRY) + goto exit; + /* until we do not set the state to IEEE80211_NOLINK + * there are no possibility to have someone else trying + * to start an association procdure (we get here with + * ieee->state = IEEE80211_ASSOCIATING). + * When we set the state to IEEE80211_NOLINK it is possible + * that the RX path run an attempt to associate, but + * both ieee80211_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->state = IEEE80211_NOLINK; + ieee->beinretry = true; + ieee80211_softmac_check_all_nets(ieee); + + spin_lock_irqsave(&ieee->lock, flags); + + if(ieee->state == IEEE80211_NOLINK){ + ieee->beinretry = false; + ieee->actscanning = true; + ieee80211_start_scan(ieee); + } + //YJ,add,080828, notify os here + if(ieee->state == IEEE80211_NOLINK) + { + notify_wx_assoc_event(ieee); + } + //YJ,add,080828,end + spin_unlock_irqrestore(&ieee->lock, flags); + +exit: + up(&ieee->wx_sem); +} + +struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee) +{ + u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff}; + + struct sk_buff *skb = NULL; + struct ieee80211_probe_response *b; + +//rz +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_get_beacon_get_probersp ) + skb = ieee->ext_patch_get_beacon_get_probersp(ieee, broadcast_addr, &(ieee->current_network)); + else + skb = ieee80211_probe_resp(ieee, broadcast_addr); +#else + skb = ieee80211_probe_resp(ieee, broadcast_addr); +#endif +// + if (!skb) + return NULL; + + b = (struct ieee80211_probe_response *) skb->data; + b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON); + + return skb; + +} + +struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee) +{ + struct sk_buff *skb; + struct ieee80211_probe_response *b; + + skb = ieee80211_get_beacon_(ieee); + if(!skb) + return NULL; + + b = (struct ieee80211_probe_response *) skb->data; + b->header.seq_ctrl = 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 ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee) +{ + ieee->sync_scan_hurryup = 1; + down(&ieee->wx_sem); + ieee80211_stop_protocol(ieee); + up(&ieee->wx_sem); +} + + +void ieee80211_stop_protocol(struct ieee80211_device *ieee) +{ + if (!ieee->proto_started) + return; + + ieee->proto_started = 0; + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->ext_patch_ieee80211_stop_protocol) + ieee->ext_patch_ieee80211_stop_protocol(ieee); +//if call queue_delayed_work,can call this,or do nothing.. +//edit by lawrence,20071118 +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) +// cancel_delayed_work(&ieee->ext_stop_scan_wq); +// cancel_delayed_work(&ieee->ext_send_beacon_wq); +#endif +#endif // _RTL8187_EXT_PATCH_ + + ieee80211_stop_send_beacons(ieee); + if((ieee->iw_mode == IW_MODE_INFRA)&&(ieee->state == IEEE80211_LINKED)) { + SendDisassociation(ieee,NULL,WLAN_REASON_DISASSOC_STA_HAS_LEFT); + } + del_timer_sync(&ieee->associate_timer); + cancel_delayed_work(&ieee->associate_retry_wq); + cancel_delayed_work(&ieee->start_ibss_wq); + ieee80211_stop_scan(ieee); + + ieee80211_disassociate(ieee); +} + +void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee) +{ + ieee->sync_scan_hurryup = 0; + down(&ieee->wx_sem); + ieee80211_start_protocol(ieee); + up(&ieee->wx_sem); +} + +void ieee80211_start_protocol(struct ieee80211_device *ieee) +{ + short ch = 0; + int i = 0; + + 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 */ + +#ifdef ENABLE_DOT11D + }while(!GET_DOT11D_INFO(ieee)->channel_map[ch]); +#else + }while(!ieee->channel_map[ch]); +#endif + + ieee->current_network.channel = ch; + } + + if (ieee->current_network.beacon_interval == 0) + ieee->current_network.beacon_interval = 100; + ieee->set_chan(ieee->dev,ieee->current_network.channel); + + for(i = 0; i < 17; i++) { + ieee->last_rxseq_num[i] = -1; + ieee->last_rxfrag_num[i] = -1; + ieee->last_packet_time[i] = 0; + } + + ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers. + + + /* if the user set the MAC of the ad-hoc cell and then + * switch to managed mode, shall we make sure that association + * attempts does not fail just because the user provide the essid + * and the nic is still checking for the AP MAC ?? + */ + switch (ieee->iw_mode) { + case IW_MODE_AUTO: + ieee->iw_mode = IW_MODE_INFRA; + //not set break here intentionly + case IW_MODE_INFRA: + ieee80211_start_bss(ieee); + break; + + case IW_MODE_ADHOC: + ieee80211_start_ibss(ieee); + break; + + case IW_MODE_MASTER: + ieee80211_start_master_bss(ieee); + break; + + case IW_MODE_MONITOR: + ieee80211_start_monitor_mode(ieee); + break; + + default: +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) &&\ + ieee->ext_patch_ieee80211_start_protocol &&\ + ieee->ext_patch_ieee80211_start_protocol(ieee)) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + queue_work(ieee->wq, &ieee->ext_stop_scan_wq); +#endif + // By default, WMM function will be disabled in + // EXTENSION mode + ieee->current_network.QoS_Enable = 0; + + if(ieee->modulation & IEEE80211_CCK_MODULATION){ + ieee->current_network.rates_len = 4; + ieee->current_network.rates[0] = \ + IEEE80211_BASIC_RATE_MASK | \ + IEEE80211_CCK_RATE_1MB; + ieee->current_network.rates[1] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_CCK_RATE_2MB; + ieee->current_network.rates[2] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_CCK_RATE_5MB; + ieee->current_network.rates[3] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_CCK_RATE_11MB; + }else + ieee->current_network.rates_len = 0; + + if(ieee->modulation & IEEE80211_OFDM_MODULATION){ + ieee->current_network.rates_ex_len = 8; + ieee->current_network.rates_ex[0] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_6MB; + ieee->current_network.rates_ex[1] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_9MB; + ieee->current_network.rates_ex[2] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_12MB; + ieee->current_network.rates_ex[3] = \ + IEEE80211_BASIC_RATE_MASK | \ + IEEE80211_OFDM_RATE_18MB; + ieee->current_network.rates_ex[4] =\ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_24MB; + ieee->current_network.rates_ex[5] =\ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_36MB; + ieee->current_network.rates_ex[6] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_48MB; + ieee->current_network.rates_ex[7] =\ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_54MB; + ieee->rate = 540; + }else{ + ieee->current_network.rates_ex_len = 0; + ieee->rate = 110; + } + + /* + spin_lock_irqsave(&ieee->lock, flags); + if (ieee->state == IEEE80211_NOLINK) + ieee80211_start_scan(ieee); + // ieee->set_chan(ieee->dev, 8); + + spin_unlock_irqrestore(&ieee->lock, flags); + */ + memcpy(ieee->current_network.bssid, ieee->dev->dev_addr,\ + ETH_ALEN); + 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); + } else { + ieee->iw_mode = IW_MODE_INFRA; + ieee80211_start_bss(ieee); + } +#else + ieee->iw_mode = IW_MODE_INFRA; + ieee80211_start_bss(ieee); + +#endif + break; + } +} + + +#define DRV_NAME "Ieee80211" +void ieee80211_softmac_init(struct ieee80211_device *ieee) +{ + int i; + memset(&ieee->current_network, 0, sizeof(struct ieee80211_network)); + + ieee->state = IEEE80211_NOLINK; + ieee->sync_scan_hurryup = 0; + for(i = 0; i < 5; i++) { + ieee->seq_ctrl[i] = 0; + } + + ieee->assoc_id = 0; + ieee->queue_stop = 0; + ieee->scanning = 0; + ieee->softmac_features = 0; //so IEEE2100-like driver are happy + ieee->wap_set = 0; + ieee->ssid_set = 0; + ieee->proto_started = 0; + ieee->basic_rate = IEEE80211_DEFAULT_BASIC_RATE; + ieee->rate = 3; +//#ifdef ENABLE_LPS + ieee->ps = IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST; +//#else +// ieee->ps = IEEE80211_PS_DISABLED; +//#endif + ieee->sta_sleep = 0; +//by amy + ieee->bInactivePs = false; + ieee->actscanning = false; + ieee->ListenInterval = 2; + ieee->NumRxDataInPeriod = 0; //YJ,add,080828 + ieee->NumRxBcnInPeriod = 0; //YJ,add,080828 + ieee->NumRxOkTotal = 0;//+by amy 080312 + ieee->NumRxUnicast = 0;//YJ,add,080828,for keep alive + ieee->beinretry = false; + ieee->bHwRadioOff = false; +//by amy +#ifdef _RTL8187_EXT_PATCH_ + ieee->iw_ext_mode = 999; +#endif + + init_mgmt_queue(ieee); +#if 0 + init_timer(&ieee->scan_timer); + ieee->scan_timer.data = (unsigned long)ieee; + ieee->scan_timer.function = ieee80211_softmac_scan_cb; +#endif + ieee->tx_pending.txb = NULL; + + init_timer(&ieee->associate_timer); + ieee->associate_timer.data = (unsigned long)ieee; + ieee->associate_timer.function = ieee80211_associate_abort_cb; + + init_timer(&ieee->beacon_timer); + ieee->beacon_timer.data = (unsigned long) ieee; + ieee->beacon_timer.function = ieee80211_send_beacon_cb; + +#ifdef PF_SYNCTHREAD + ieee->wq = create_workqueue(DRV_NAME,0); +#else + ieee->wq = create_workqueue(DRV_NAME); +#endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)//added by lawrence,070702 + INIT_DELAYED_WORK(&ieee->start_ibss_wq,(void*) ieee80211_start_ibss_wq); + INIT_WORK(&ieee->associate_complete_wq,(void*) ieee80211_associate_complete_wq); + INIT_WORK(&ieee->associate_procedure_wq,(void*) ieee80211_associate_procedure_wq); + INIT_DELAYED_WORK(&ieee->softmac_scan_wq,(void*) ieee80211_softmac_scan_wq); + INIT_DELAYED_WORK(&ieee->associate_retry_wq,(void*) ieee80211_associate_retry_wq); + INIT_WORK(&ieee->wx_sync_scan_wq,(void*) ieee80211_wx_sync_scan_wq); +// INIT_WORK(&ieee->watch_dog_wq,(void*) ieee80211_watch_dog_wq); +//added by lawrence,20071118 +#ifdef _RTL8187_EXT_PATCH_ + INIT_WORK(&ieee->ext_stop_scan_wq,(void*) ieee80211_ext_stop_scan_wq); + //INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ieee80211_beacons_start,ieee); + INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ext_ieee80211_send_beacon_wq); +#endif //_RTL8187_EXT_PATCH_ +#else + INIT_WORK(&ieee->start_ibss_wq,(void*) ieee80211_start_ibss_wq,ieee); + INIT_WORK(&ieee->associate_retry_wq,(void*) ieee80211_associate_retry_wq,ieee); + INIT_WORK(&ieee->associate_complete_wq,(void*) ieee80211_associate_complete_wq,ieee); + INIT_WORK(&ieee->associate_procedure_wq,(void*) ieee80211_associate_procedure_wq,ieee); + INIT_WORK(&ieee->softmac_scan_wq,(void*) ieee80211_softmac_scan_wq,ieee); + INIT_WORK(&ieee->wx_sync_scan_wq,(void*) ieee80211_wx_sync_scan_wq,ieee); +// INIT_WORK(&ieee->watch_dog_wq,(void*) ieee80211_watch_dog_wq,ieee); +#ifdef _RTL8187_EXT_PATCH_ + INIT_WORK(&ieee->ext_stop_scan_wq,(void*) ieee80211_ext_stop_scan_wq,ieee); + //INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ieee80211_beacons_start,ieee); + INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ext_ieee80211_send_beacon_wq,ieee); +#endif +#endif + sema_init(&ieee->wx_sem, 1); + sema_init(&ieee->scan_sem, 1); + + spin_lock_init(&ieee->mgmt_tx_lock); + spin_lock_init(&ieee->beacon_lock); + + tasklet_init(&ieee->ps_task, + (void(*)(unsigned long)) ieee80211_sta_ps, + (unsigned long)ieee); +#ifdef ENABLE_DOT11D + ieee->pDot11dInfo = kmalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC); +#endif +} + +void ieee80211_softmac_free(struct ieee80211_device *ieee) +{ + down(&ieee->wx_sem); + + del_timer_sync(&ieee->associate_timer); + cancel_delayed_work(&ieee->associate_retry_wq); + + + //add for RF power on power of by lizhaoming 080512 + cancel_delayed_work(&ieee->GPIOChangeRFWorkItem); + +#ifdef _RTL8187_EXT_PATCH_ + cancel_delayed_work(&ieee->ext_stop_scan_wq); + cancel_delayed_work(&ieee->ext_send_beacon_wq); +#endif + destroy_workqueue(ieee->wq); +#ifdef ENABLE_DOT11D + if(NULL != ieee->pDot11dInfo) + kfree(ieee->pDot11dInfo); +#endif + up(&ieee->wx_sem); +} + +/******************************************************** + * Start of WPA code. * + * this is stolen from the ipw2200 driver * + ********************************************************/ + + +static int ieee80211_wpa_enable(struct ieee80211_device *ieee, int value) +{ + /* This is called when wpa_supplicant loads and closes the driver + * interface. */ + printk("%s WPA\n",value ? "enabling" : "disabling"); + ieee->wpa_enabled = value; + return 0; +} + + +void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee, char *wpa_ie, int wpa_ie_len) +{ + /* make sure WPA is enabled */ + ieee80211_wpa_enable(ieee, 1); + + ieee80211_disassociate(ieee); +} + + +static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, int reason) +{ + + int ret = 0; + + switch (command) { + case IEEE_MLME_STA_DEAUTH: + // silently ignore + break; + + case IEEE_MLME_STA_DISASSOC: + ieee80211_disassociate(ieee); + break; + + default: + printk("Unknown MLME request: %d\n", command); + ret = -EOPNOTSUPP; + } + + return ret; +} + + +static int ieee80211_wpa_set_wpa_ie(struct ieee80211_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; + } + + ieee80211_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 + +static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value) +{ + + struct ieee80211_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; + } else { + sec.auth_mode = WLAN_AUTH_OPEN; + ieee->open_wep = 1; + } + + if (ieee->set_security) + ieee->set_security(ieee->dev, &sec); + else + ret = -EOPNOTSUPP; + + return ret; +} + +static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, u32 value) +{ + int ret=0; + unsigned long flags; + + switch (name) { + case IEEE_PARAM_WPA_ENABLED: + ret = ieee80211_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 ieee80211_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 = ieee80211_wpa_set_auth_algs(ieee, value); + break; + + case IEEE_PARAM_IEEE_802_1X: + ieee->ieee802_1x=value; + break; + case IEEE_PARAM_WPAX_SELECT: + // added for WPA2 mixed mode + //printk(KERN_WARNING "------------------------>wpax value = %x\n", value); + spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags); + ieee->wpax_type_set = 1; + ieee->wpax_type_notify = value; + 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 ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, + struct ieee_param *param, int param_len) +{ + int ret = 0; + + struct ieee80211_crypto_ops *ops; + struct ieee80211_crypt_data **crypt; + + struct ieee80211_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; + // FIXME FIXME + //sec.encrypt = 0; + sec.level = SEC_LEVEL_0; + sec.flags |= SEC_ENABLED | SEC_LEVEL; + ieee80211_crypt_delayed_deinit(ieee, crypt); + } + goto done; + } + sec.enabled = 1; +// FIXME FIXME +// sec.encrypt = 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 = ieee80211_get_crypto_ops(param->u.crypt.alg); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { + request_module("ieee80211_crypt_wep"); + ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { + request_module("ieee80211_crypt_tkip"); + ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { + request_module("ieee80211_crypt_ccmp"); + ops = ieee80211_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 ieee80211_crypt_data *new_crypt; + + ieee80211_crypt_delayed_deinit(ieee, crypt); + + new_crypt = (struct ieee80211_crypt_data *) + kmalloc(sizeof(*new_crypt), GFP_KERNEL); + if (new_crypt == NULL) { + ret = -ENOMEM; + goto done; + } + memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); + new_crypt->ops = ops; + if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + new_crypt->priv = + 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; +} + +int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p) +{ + struct ieee_param *param; + int ret=0; + + down(&ieee->wx_sem); + //IEEE_DEBUG_INFO("wpa_supplicant: len=%d\n", p->length); + + 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 = ieee80211_wpa_set_param(ieee, param->u.wpa_param.name, + param->u.wpa_param.value); + break; + + case IEEE_CMD_SET_WPA_IE: + ret = ieee80211_wpa_set_wpa_ie(ieee, param, p->length); + break; + + case IEEE_CMD_SET_ENCRYPTION: + ret = ieee80211_wpa_set_encryption(ieee, param, p->length); + break; + + case IEEE_CMD_MLME: + ret = ieee80211_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 notify_wx_assoc_event(struct ieee80211_device *ieee) +{ + union iwreq_data wrqu; + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + if (ieee->state == IEEE80211_LINKED) + memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid, ETH_ALEN); + else + memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); + wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL); +} + + +#if 0 +EXPORT_SYMBOL(ieee80211_get_beacon); +EXPORT_SYMBOL(ieee80211_wake_queue); +EXPORT_SYMBOL(ieee80211_stop_queue); +EXPORT_SYMBOL(ieee80211_reset_queue); +EXPORT_SYMBOL(ieee80211_softmac_stop_protocol); +EXPORT_SYMBOL(ieee80211_softmac_start_protocol); +EXPORT_SYMBOL(ieee80211_is_shortslot); +EXPORT_SYMBOL(ieee80211_is_54g); +EXPORT_SYMBOL(ieee80211_wpa_supplicant_ioctl); +EXPORT_SYMBOL(ieee80211_ps_tx_ack); +EXPORT_SYMBOL(ieee80211_start_protocol); +EXPORT_SYMBOL(ieee80211_stop_protocol); +EXPORT_SYMBOL(notify_wx_assoc_event); +EXPORT_SYMBOL(ieee80211_stop_send_beacons); +EXPORT_SYMBOL(SendDisassociation); +EXPORT_SYMBOL(ieee80211_disassociate); +EXPORT_SYMBOL(ieee80211_start_scan); +EXPORT_SYMBOL(ieee80211_softmac_ips_scan_syncro); +#ifdef _RTL8187_EXT_PATCH_ +EXPORT_SYMBOL(ieee80211_ext_issue_assoc_req); +EXPORT_SYMBOL(ieee80211_ext_issue_disassoc); +EXPORT_SYMBOL(ieee80211_ext_issue_assoc_rsp); +EXPORT_SYMBOL(softmac_mgmt_xmit); +EXPORT_SYMBOL(ieee80211_ext_probe_resp_by_net); +EXPORT_SYMBOL(ieee80211_start_scan); +EXPORT_SYMBOL(ieee80211_stop_scan); +EXPORT_SYMBOL(ieee80211_ext_send_11s_beacon); +EXPORT_SYMBOL(ieee80211_rx_auth_rq); +EXPORT_SYMBOL(ieee80211_associate_step1); +#endif // _RTL8187_EXT_PATCH_ +EXPORT_SYMBOL(ieee80211_sta_ps_send_null_frame); +#endif |