diff options
Diffstat (limited to 'drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c')
| -rw-r--r-- | drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c | 1203 |
1 files changed, 454 insertions, 749 deletions
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c index c27392d..03eb164 100644 --- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c @@ -13,7 +13,6 @@ * released under the GPL */ - #include "ieee80211.h" #include <linux/random.h> @@ -24,14 +23,6 @@ #include <linux/etherdevice.h> #include "dot11d.h" -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(const struct ieee80211_network *net) { @@ -62,14 +53,13 @@ static unsigned int ieee80211_MFIE_rate_len(struct ieee80211_device *ieee) } /* place the MFIE rate, tag to the memory (double) poised. - * Then it updates the pointer so that - * it points after the new MFIE tag added. + * Then it updates the pointer so that it points after the new MFIE tag added. */ static void ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p) { u8 *tag = *tag_p; - if (ieee->modulation & IEEE80211_CCK_MODULATION){ + if (ieee->modulation & IEEE80211_CCK_MODULATION) { *tag++ = MFIE_TYPE_RATES; *tag++ = 4; *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; @@ -86,8 +76,7 @@ static void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p) { u8 *tag = *tag_p; - if (ieee->modulation & IEEE80211_OFDM_MODULATION){ - + if (ieee->modulation & IEEE80211_OFDM_MODULATION) { *tag++ = MFIE_TYPE_RATES_EX; *tag++ = 8; *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB; @@ -100,22 +89,20 @@ static void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p) *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; } - static void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p) { u8 *tag = *tag_p; - *tag++ = MFIE_TYPE_GENERIC; //0 + *tag++ = MFIE_TYPE_GENERIC; /* 0 */ *tag++ = 7; *tag++ = 0x00; *tag++ = 0x50; *tag++ = 0xf2; - *tag++ = 0x02;//5 + *tag++ = 0x02; /* 5 */ *tag++ = 0x00; *tag++ = 0x01; #ifdef SUPPORT_USPD @@ -148,32 +135,23 @@ static void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p) static void enqueue_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb) { int nh; - nh = (ieee->mgmt_queue_head +1) % MGMT_QUEUE_NUM; + 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; } static struct sk_buff *dequeue_mgmt(struct ieee80211_device *ieee) { struct sk_buff *ret; - if(ieee->mgmt_queue_tail == ieee->mgmt_queue_head) + 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; + (ieee->mgmt_queue_tail + 1) % MGMT_QUEUE_NUM; return ret; } @@ -183,7 +161,6 @@ static 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, @@ -191,20 +168,18 @@ inline void softmac_mgmt_xmit(struct sk_buff *skb, { unsigned long flags; short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE; - struct ieee80211_hdr_3addr *header= + 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); + ieee80211_sta_wakeup(ieee, 0); - if(single){ - if(ieee->queue_stop){ - - enqueue_mgmt(ieee,skb); - }else{ + if (single) { + if (ieee->queue_stop) { + enqueue_mgmt(ieee, skb); + } else { header->seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0]<<4); if (ieee->seq_ctrl[0] == 0xFFF) @@ -214,11 +189,11 @@ inline void softmac_mgmt_xmit(struct sk_buff *skb, /* avoid watchdog triggers */ ieee->dev->trans_start = jiffies; - ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + ieee->softmac_data_hard_start_xmit(skb, ieee->dev, ieee->basic_rate); } spin_unlock_irqrestore(&ieee->lock, flags); - }else{ + } else { spin_unlock_irqrestore(&ieee->lock, flags); spin_lock_irqsave(&ieee->mgmt_tx_lock, flags); @@ -231,24 +206,20 @@ inline void softmac_mgmt_xmit(struct sk_buff *skb, /* avoid watchdog triggers */ ieee->dev->trans_start = jiffies; - ieee->softmac_hard_start_xmit(skb,ieee->dev); + 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){ - + if (single) { header->seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4); if (ieee->seq_ctrl[0] == 0xFFF) @@ -258,10 +229,8 @@ inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, /* avoid watchdog triggers */ ieee->dev->trans_start = jiffies; - ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); - - }else{ - + ieee->softmac_data_hard_start_xmit(skb, ieee->dev, ieee->basic_rate); + } else { header->seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4); if (ieee->seq_ctrl[0] == 0xFFF) @@ -271,12 +240,10 @@ inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, /* avoid watchdog triggers */ ieee->dev->trans_start = jiffies; - ieee->softmac_hard_start_xmit(skb,ieee->dev); - + 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) @@ -288,7 +255,7 @@ ieee80211_disassociate_skb(struct ieee80211_network *beacon, if (!skb) return NULL; - disass = (struct ieee80211_disassoc_frame *) skb_put(skb,sizeof(struct ieee80211_disassoc_frame)); + disass = (struct ieee80211_disassoc_frame *) skb_put(skb, sizeof(struct ieee80211_disassoc_frame)); disass->header.frame_control = cpu_to_le16(IEEE80211_STYPE_DISASSOC); disass->header.duration_id = 0; @@ -299,21 +266,19 @@ ieee80211_disassociate_skb(struct ieee80211_network *beacon, 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 - } + 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); } -//by amy for power save inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee) { - unsigned int len,rate_len; + unsigned int len, rate_len; u8 *tag; struct sk_buff *skb; struct ieee80211_probe_request *req; @@ -327,75 +292,45 @@ inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee) if (!skb) return NULL; - req = (struct ieee80211_probe_request *) skb_put(skb,sizeof(struct ieee80211_probe_request)); + 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 ? + 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 = (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); + ieee80211_MFIE_Brate(ieee, &tag); + ieee80211_MFIE_Grate(ieee, &tag); return skb; } struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee); -void ext_ieee80211_send_beacon_wq(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); -} - static void ieee80211_send_beacon(struct ieee80211_device *ieee) { struct sk_buff *skb; - //unsigned long flags; - skb = ieee80211_get_beacon_(ieee); - if (skb){ + if (skb) { softmac_mgmt_xmit(skb, ieee); ieee->softmac_stats.tx_beacons++; - dev_kfree_skb_any(skb);//edit by thomas + dev_kfree_skb_any(skb); } - //printk(KERN_WARNING "[1] beacon sending!\n"); ieee->beacon_timer.expires = jiffies + - (MSECS( ieee->current_network.beacon_interval -5)); + (MSECS(ieee->current_network.beacon_interval - 5)); - //spin_lock_irqsave(&ieee->beacon_lock,flags); - if(ieee->beacon_txing) + if (ieee->beacon_txing) add_timer(&ieee->beacon_timer); - //spin_unlock_irqrestore(&ieee->beacon_lock,flags); } @@ -415,16 +350,15 @@ static void ieee80211_send_probe(struct ieee80211_device *ieee) struct sk_buff *skb; skb = ieee80211_probe_req(ieee); - if (skb){ + if (skb) { softmac_mgmt_xmit(skb, ieee); ieee->softmac_stats.tx_probe_rq++; - //dev_kfree_skb_any(skb);//edit by thomas } } static void ieee80211_send_probe_requests(struct ieee80211_device *ieee) { - if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)){ + if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)) { ieee80211_send_probe(ieee); ieee80211_send_probe(ieee); } @@ -439,17 +373,14 @@ static void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee) u8 channel_map[MAX_CHANNEL_NUMBER+1]; memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); down(&ieee->scan_sem); -// printk("==================> Sync scan\n"); - while(1) - { - - do{ + while (1) { + do { ch++; if (ch > MAX_CHANNEL_NUMBER) goto out; /* scan completed */ - }while(!channel_map[ch]); + } while (!channel_map[ch]); /* this function can be called in two situations * 1- We have switched to ad-hoc mode and we are * performing a complete syncro scan before conclude @@ -473,101 +404,74 @@ static void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee) goto out; ieee->set_chan(ieee->dev, ch); -// printk("=====>channel=%d ",ch); - if(channel_map[ch] == 1) - { -// printk("====send probe request\n"); + if (channel_map[ch] == 1) 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); - if(IS_DOT11D_ENABLE(ieee)) + if (IS_DOT11D_ENABLE(ieee)) DOT11D_ScanComplete(ieee); } void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee) { int ch; - unsigned int watch_dog = 0; + unsigned int watch_dog = 0; u8 channel_map[MAX_CHANNEL_NUMBER+1]; memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); - down(&ieee->scan_sem); + 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 function 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 temporarily '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 - */ + + while (1) { + /* this function 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 temporarily '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; - } - if(channel_map[ieee->current_network.channel] > 0) - { + + if (channel_map[ieee->current_network.channel] > 0) ieee->set_chan(ieee->dev, ieee->current_network.channel); -// printk("======>channel=%d ",ieee->current_network.channel); - } - if(channel_map[ieee->current_network.channel] == 1) - { -// printk("====send probe request\n"); + + if (channel_map[ieee->current_network.channel] == 1) 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{ + 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; - }while(!channel_map[ieee->current_network.channel]); - } + } while (!channel_map[ieee->current_network.channel]); + } out: - //ieee->sync_scan_hurryup = 0; - //ieee->set_chan(ieee->dev, ch); - //ieee->current_network.channel = ch; ieee->actscanning = false; up(&ieee->scan_sem); - if(IS_DOT11D_ENABLE(ieee)) + if (IS_DOT11D_ENABLE(ieee)) DOT11D_ScanComplete(ieee); } @@ -575,29 +479,24 @@ static void ieee80211_softmac_scan_wq(struct work_struct *work) { struct delayed_work *dwork = to_delayed_work(work); struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq); - static short watchdog = 0; + static short watchdog; u8 channel_map[MAX_CHANNEL_NUMBER+1]; memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); -// printk("ieee80211_softmac_scan_wq ENABLE_IPS\n"); -// printk("in %s\n",__func__); down(&ieee->scan_sem); - do{ + do { ieee->current_network.channel = (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER; if (watchdog++ > MAX_CHANNEL_NUMBER) goto out; /* no good chans */ + } while (!channel_map[ieee->current_network.channel]); - }while(!channel_map[ieee->current_network.channel]); - - //printk("current_network.channel:%d\n", ieee->current_network.channel); - if (ieee->scanning == 0 ) - { + if (ieee->scanning == 0) { printk("error out, scanning = 0\n"); goto out; } ieee->set_chan(ieee->dev, ieee->current_network.channel); - if(channel_map[ieee->current_network.channel] == 1) + if (channel_map[ieee->current_network.channel] == 1) ieee80211_send_probe_requests(ieee); queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME); @@ -609,7 +508,7 @@ out: ieee->scanning = 0; up(&ieee->scan_sem); - if(IS_DOT11D_ENABLE(ieee)) + if (IS_DOT11D_ENABLE(ieee)) DOT11D_ScanComplete(ieee); return; } @@ -618,62 +517,51 @@ static void ieee80211_beacons_start(struct ieee80211_device *ieee) { unsigned long flags; - spin_lock_irqsave(&ieee->beacon_lock,flags); + spin_lock_irqsave(&ieee->beacon_lock, flags); ieee->beacon_txing = 1; ieee80211_send_beacon(ieee); - spin_unlock_irqrestore(&ieee->beacon_lock,flags); + spin_unlock_irqrestore(&ieee->beacon_lock, flags); } static void ieee80211_beacons_stop(struct ieee80211_device *ieee) { unsigned long flags; - spin_lock_irqsave(&ieee->beacon_lock,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); + 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) + 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) + if (ieee->start_send_beacons) ieee->start_send_beacons(ieee->dev); - if(ieee->softmac_features & IEEE_SOFTMAC_BEACONS) + if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS) ieee80211_beacons_start(ieee); } - static 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){ + 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); } @@ -688,38 +576,28 @@ void ieee80211_stop_scan(struct ieee80211_device *ieee) /* called with ieee->lock held */ void ieee80211_rtl_start_scan(struct ieee80211_device *ieee) { - if(IS_DOT11D_ENABLE(ieee) ) - { - if(IS_COUNTRY_IE_VALID(ieee)) - { + if (IS_DOT11D_ENABLE(ieee)) { + if (IS_COUNTRY_IE_VALID(ieee)) RESET_CIE_WATCHDOG(ieee); - } } - if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){ - if (ieee->scanning == 0) - { + + 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); + 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) { - if(IS_DOT11D_ENABLE(ieee) ) - { - if(IS_COUNTRY_IE_VALID(ieee)) - { + if (IS_DOT11D_ENABLE(ieee)) { + if (IS_COUNTRY_IE_VALID(ieee)) RESET_CIE_WATCHDOG(ieee); - } } ieee->sync_scan_hurryup = 0; @@ -727,7 +605,6 @@ void ieee80211_start_scan_syncro(struct ieee80211_device *ieee) ieee80211_softmac_scan_syncro(ieee); else ieee->scan_syncro(ieee->dev); - } inline struct sk_buff * @@ -739,15 +616,17 @@ ieee80211_authentication_req(struct ieee80211_network *beacon, skb = dev_alloc_skb(sizeof(struct ieee80211_authentication) + challengelen); - if (!skb) return NULL; + 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; + if (challengelen) + auth->header.frame_ctl |= IEEE80211_FCTL_WEP; - auth->header.duration_id = 0x013a; //FIXME + auth->header.duration_id = 0x013a; /* FIXME */ memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN); memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); @@ -761,7 +640,6 @@ ieee80211_authentication_req(struct ieee80211_network *beacon, auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS); return skb; - } static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, @@ -772,29 +650,30 @@ static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, struct ieee80211_probe_response *beacon_buf; struct sk_buff *skb; int encrypt; - int atim_len,erp_len; - struct ieee80211_crypt_data* crypt; + 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 (rate_ex_len > 0) + rate_ex_len += 2; - if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS) + if (ieee->current_network.capability & WLAN_CAPABILITY_IBSS) atim_len = 4; else atim_len = 0; - if(ieee80211_is_54g(&ieee->current_network)) + 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 + +3 /* channel */ +rate_len +rate_ex_len +atim_len @@ -806,19 +685,19 @@ static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, if (!skb) return NULL; - beacon_buf = (struct ieee80211_probe_response*) skb_put(skb, beacon_size); + 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); + 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->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)) + if (ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT)) beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT); crypt = ieee->crypt[ieee->tx_keyidx]; @@ -835,51 +714,52 @@ static struct sk_buff *ieee80211_probe_resp(struct ieee80211_device *ieee, beacon_buf->info_element.id = MFIE_TYPE_SSID; beacon_buf->info_element.len = ssid_len; - tag = (u8*) beacon_buf->info_element.data; + 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++) = 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){ + if (atim_len) { *(tag++) = MFIE_TYPE_IBSS_SET; *(tag++) = 2; - *((u16*)(tag)) = cpu_to_le16(ieee->current_network.atim_window); - tag+=2; + *((u16 *)(tag)) = cpu_to_le16(ieee->current_network.atim_window); + tag += 2; } - if(erp_len){ + if (erp_len) { *(tag++) = MFIE_TYPE_ERP; *(tag++) = 1; *(tag++) = 0; } - if(rate_ex_len){ + if (rate_ex_len) { *(tag++) = MFIE_TYPE_RATES_EX; *(tag++) = rate_ex_len-2; - memcpy(tag,ieee->current_network.rates_ex,rate_ex_len-2); - 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 + 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. + */ 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; } @@ -888,9 +768,9 @@ static struct sk_buff *ieee80211_assoc_resp(struct ieee80211_device *ieee, u8 *dest) { struct sk_buff *skb; - u8* tag; + u8 *tag; - struct ieee80211_crypt_data* crypt; + struct ieee80211_crypt_data *crypt; struct ieee80211_assoc_response_frame *assoc; short encrypt; @@ -903,34 +783,36 @@ static struct sk_buff *ieee80211_assoc_resp(struct ieee80211_device *ieee, return NULL; assoc = (struct ieee80211_assoc_response_frame *) - skb_put(skb,sizeof(struct ieee80211_assoc_response_frame)); + skb_put(skb, sizeof(struct ieee80211_assoc_response_frame)); assoc->header.frame_control = cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP); - memcpy(assoc->header.addr1, dest,ETH_ALEN); + 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) + 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; + else + crypt = NULL; - encrypt = ( crypt && crypt->ops); + 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++; + if (ieee->assoc_id == 0x2007) + ieee->assoc_id = 0; + else + ieee->assoc_id++; - tag = (u8*) skb_put(skb, rate_len); + tag = (u8 *) skb_put(skb, rate_len); ieee80211_MFIE_Brate(ieee, &tag); ieee80211_MFIE_Grate(ieee, &tag); @@ -962,21 +844,19 @@ static struct sk_buff *ieee80211_auth_resp(struct ieee80211_device *ieee, memcpy(auth->header.addr1, dest, ETH_ALEN); auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH); return skb; - - } static struct sk_buff *ieee80211_null_func(struct ieee80211_device *ieee, short pwr) { struct sk_buff *skb; - struct ieee80211_hdr_3addr* hdr; + 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)); + 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); @@ -987,83 +867,64 @@ static struct sk_buff *ieee80211_null_func(struct ieee80211_device *ieee, short (pwr ? IEEE80211_FCTL_PM:0)); return skb; - - } - static void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8 *dest) { struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest); - if (buf){ + if (buf) { softmac_mgmt_xmit(buf, ieee); - dev_kfree_skb_any(buf);//edit by thomas + dev_kfree_skb_any(buf); } } - static 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){ + if (buf) { softmac_mgmt_xmit(buf, ieee); - dev_kfree_skb_any(buf);//edit by thomas + dev_kfree_skb_any(buf); } } - static void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest) { - struct sk_buff *buf = ieee80211_probe_resp(ieee, dest); if (buf) { softmac_mgmt_xmit(buf, ieee); - dev_kfree_skb_any(buf);//edit by thomas + dev_kfree_skb_any(buf); } } - 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 + /* 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; unsigned int turbo_info_len = beacon->Turbo_Enable?9:0; 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) { + /* [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) { @@ -1071,8 +932,8 @@ ieee80211_association_req(struct ieee80211_network *beacon, } } len = sizeof(struct ieee80211_assoc_request_frame)+ - + beacon->ssid_len//essid tagged val - + rate_len//rates tagged val + + beacon->ssid_len /* essid tagged val */ + + rate_len /* rates tagged val */ + wpa_len + rsn_len + wmm_info_len @@ -1086,24 +947,23 @@ ieee80211_association_req(struct ieee80211_network *beacon, hdr = (struct ieee80211_assoc_request_frame *) skb_put(skb, sizeof(struct ieee80211_assoc_request_frame)); - hdr->header.frame_control = IEEE80211_STYPE_ASSOC_REQ; - hdr->header.duration_id= 37; //FIXME + 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 + memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN); /* for HW security */ hdr->capability = cpu_to_le16(WLAN_CAPABILITY_BSS); - if (beacon->capability & WLAN_CAPABILITY_PRIVACY ) + 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) + if (ieee->short_slot) hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT); - hdr->listen_interval = 0xa; //FIXME + hdr->listen_interval = 0xa; /* FIXME */ hdr->info_element.id = MFIE_TYPE_SSID; @@ -1116,27 +976,26 @@ ieee80211_association_req(struct ieee80211_network *beacon, 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 + /* add rsn==0 condition for ap's mix security mode(wpa+wpa2) + * choose AES encryption as default algorithm while using mixed mode. + */ - tag = skb_put(skb,ieee->wpa_ie_len); - memcpy(tag,ieee->wpa_ie,ieee->wpa_ie_len); + tag = skb_put(skb, ieee->wpa_ie_len); + memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len); - tag = skb_put(skb,wmm_info_len); - if(wmm_info_len) { + tag = skb_put(skb, wmm_info_len); + if (wmm_info_len) ieee80211_WMM_Info(ieee, &tag); - } - tag = skb_put(skb,turbo_info_len); - if(turbo_info_len) { - ieee80211_TURBO_Info(ieee, &tag); - } + + tag = skb_put(skb, turbo_info_len); + if (turbo_info_len) + ieee80211_TURBO_Info(ieee, &tag); return skb; } void ieee80211_associate_abort(struct ieee80211_device *ieee) { - unsigned long flags; spin_lock_irqsave(&ieee->lock, flags); @@ -1148,17 +1007,17 @@ void ieee80211_associate_abort(struct ieee80211_device *ieee) * 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){ + if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING) { IEEE80211_DEBUG_MGMT("Authentication failed\n"); ieee->softmac_stats.no_auth_rs++; - }else{ + } 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); + queue_delayed_work(ieee->wq, &ieee->associate_retry_wq, IEEE80211_SOFTMAC_ASSOC_RETRY_TIME); spin_unlock_irqrestore(&ieee->lock, flags); } @@ -1168,7 +1027,6 @@ static void ieee80211_associate_abort_cb(unsigned long dev) ieee80211_associate_abort((struct ieee80211_device *) dev); } - static void ieee80211_associate_step1(struct ieee80211_device *ieee) { struct ieee80211_network *beacon = &ieee->current_network; @@ -1176,26 +1034,24 @@ static void ieee80211_associate_step1(struct ieee80211_device *ieee) IEEE80211_DEBUG_MGMT("Stopping scan\n"); ieee->softmac_stats.tx_auth_rq++; - skb=ieee80211_authentication_req(beacon, ieee, 0); - if (!skb){ - + skb = ieee80211_authentication_req(beacon, ieee, 0); + if (!skb) { ieee80211_associate_abort(ieee); - } - else{ - ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATING ; + } 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)){ + /* BUGON when you try to add_timer twice, using mod_timer may + * be better. + */ + 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 + /* If call dev_kfree_skb_any,a warning will ocur.... + * KERNEL: assertion (!atomic_read(&skb->users)) failed at + * net/core/dev.c (1708) + */ } } @@ -1205,7 +1061,6 @@ static void ieee80211_rtl_auth_challenge(struct ieee80211_device *ieee, u8 *chal 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++; @@ -1213,7 +1068,7 @@ static void ieee80211_rtl_auth_challenge(struct ieee80211_device *ieee, u8 *chal skb = ieee80211_authentication_req(beacon, ieee, chlen+2); if (!skb) ieee80211_associate_abort(ieee); - else{ + else { c = skb_put(skb, chlen+2); *(c++) = MFIE_TYPE_CHALLENGE; *(c++) = chlen; @@ -1221,38 +1076,36 @@ static void ieee80211_rtl_auth_challenge(struct ieee80211_device *ieee, u8 *chal IEEE80211_DEBUG_MGMT("Sending authentication challenge response\n"); - ieee80211_encrypt_fragment(ieee, skb, sizeof(struct ieee80211_hdr_3addr )); + 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"); + 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 + dev_kfree_skb_any(skb); } kfree(challenge); } static void ieee80211_associate_step2(struct ieee80211_device *ieee) { - struct sk_buff* skb; + 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); + skb = ieee80211_association_req(beacon, ieee); if (!skb) ieee80211_associate_abort(ieee); - else{ + else { softmac_mgmt_xmit(skb, ieee); - if (!timer_pending(&ieee->associate_timer)){ + 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 } } @@ -1261,12 +1114,11 @@ static void ieee80211_associate_complete_wq(struct work_struct *work) struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq); printk(KERN_INFO "Associated successfully\n"); - if(ieee80211_is_54g(&ieee->current_network) && - (ieee->modulation & IEEE80211_OFDM_MODULATION)){ - + if (ieee80211_is_54g(&ieee->current_network) && + (ieee->modulation & IEEE80211_OFDM_MODULATION)) { ieee->rate = 540; printk(KERN_INFO"Using G rates\n"); - }else{ + } else { ieee->rate = 110; printk(KERN_INFO"Using B rates\n"); } @@ -1279,12 +1131,8 @@ static void ieee80211_associate_complete_wq(struct work_struct *work) static 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"); @@ -1316,7 +1164,7 @@ inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, u8 tmp_ssid[IW_ESSID_MAX_SIZE+1]; int tmp_ssid_len = 0; - short apset,ssidset,ssidbroad,apmatch,ssidmatch; + short apset, ssidset, ssidbroad, apmatch, ssidmatch; /* we are interested in new new only if we are not associated * and we are not associating / authenticating @@ -1330,74 +1178,70 @@ inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, 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 (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); + apset = ieee->wap_set; + ssidset = ieee->ssid_set; + ssidbroad = !(net->ssid_len == 0 || net->ssid[0] == '\0'); + apmatch = (memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN) == 0); - if(ieee->current_network.ssid_len != net->ssid_len) + 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 supplied 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 broadcast and that those two bssid matches - */ - (!apset && ssidset && ssidbroad && ssidmatch) - ){ - - + ssidmatch = (0 == strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len)); + + /* if the user set the AP check if match. + * if the network does not broadcast essid we check the user + * supplied 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 broadcast and that those two bssid matches + * (!apset && ssidset && ssidbroad && ssidmatch) + */ + if ((apset && apmatch && ((ssidset && ssidbroad && ssidmatch) || + (ssidbroad && !ssidset) || (!ssidbroad && ssidset))) || + (!apset && ssidset && ssidbroad && ssidmatch)) { /* if the essid is hidden replace it with the * essid provided by the user. */ - if (!ssidbroad){ + if (!ssidbroad) { strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE); tmp_ssid_len = ieee->current_network.ssid_len; } memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network)); - if (!ssidbroad){ + if (!ssidbroad) { strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE); ieee->current_network.ssid_len = tmp_ssid_len; } - printk(KERN_INFO"Linking with %s: channel is %d\n",ieee->current_network.ssid,ieee->current_network.channel); + 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){ + 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)){ + } else { + if (ieee80211_is_54g(&ieee->current_network) && + (ieee->modulation & IEEE80211_OFDM_MODULATION)) { ieee->rate = 540; printk(KERN_INFO"Using G rates\n"); - }else{ + } 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) @@ -1407,60 +1251,52 @@ void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee) 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); + 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)){ + 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){ + if (*(t++) == MFIE_TYPE_CHALLENGE) { *chlen = *(t++); *challenge = kmemdup(t, *chlen, GFP_ATOMIC); if (!*challenge) return -ENOMEM; } } - return cpu_to_le16(a->status); - } - static int auth_rq_parse(struct sk_buff *skb, u8 *dest) { struct ieee80211_authentication *a; - if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){ - IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len); + 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; + a = (struct ieee80211_authentication *) skb->data; - memcpy(dest,a->header.addr2, ETH_ALEN); + memcpy(dest, a->header.addr2, ETH_ALEN); if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN) return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; @@ -1473,23 +1309,23 @@ static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb, { u8 *tag; u8 *skbend; - u8 *ssid=NULL; + 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 )) + if (skb->len < sizeof(struct ieee80211_hdr_3addr)) return -1; /* corrupted */ - memcpy(src,header->addr2, ETH_ALEN); + memcpy(src, header->addr2, ETH_ALEN); - skbend = (u8*)skb->data + skb->len; + skbend = (u8 *)skb->data + skb->len; - tag = skb->data + sizeof (struct ieee80211_hdr_3addr ); + tag = skb->data + sizeof(struct ieee80211_hdr_3addr); - while (tag+1 < skbend){ - if (*tag == 0){ + while (tag+1 < skbend) { + if (*tag == 0) { ssid = tag+2; ssidlen = *(tag+1); break; @@ -1499,10 +1335,12 @@ static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb, tag++; /* point to the next tag */ } - //IEEE80211DMESG("Card MAC address is "MACSTR, MAC2STR(src)); - if (ssidlen == 0) return 1; + if (ssidlen == 0) + return 1; + + if (!ssid) + return 1; /* ssid not found in tagged param */ - if (!ssid) return 1; /* ssid not found in tagged param */ return (!strncmp(ssid, ieee->current_network.ssid, ssidlen)); } @@ -1514,13 +1352,13 @@ static int assoc_rq_parse(struct sk_buff *skb, u8 *dest) 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); + IEEE80211_DEBUG_MGMT("invalid len in auth request:%d\n", skb->len); return -1; } - a = (struct ieee80211_assoc_request_frame*) skb->data; + a = (struct ieee80211_assoc_request_frame *) skb->data; - memcpy(dest,a->header.addr2,ETH_ALEN); + memcpy(dest, a->header.addr2, ETH_ALEN); return 0; } @@ -1528,12 +1366,12 @@ static int assoc_rq_parse(struct sk_buff *skb, u8 *dest) 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)){ + 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; + a = (struct ieee80211_assoc_response_frame *) skb->data; *aid = le16_to_cpu(a->aid) & 0x3fff; return le16_to_cpu(a->status); } @@ -1543,11 +1381,8 @@ static inline void ieee80211_rx_probe_rq(struct ieee80211_device *ieee, { 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!"); + if (probe_rq_parse(ieee, skb, dest)) { ieee->softmac_stats.tx_probe_rs++; ieee80211_resp_to_probe(ieee, dest); } @@ -1558,115 +1393,92 @@ inline void ieee80211_rx_auth_rq(struct ieee80211_device *ieee, { u8 dest[ETH_ALEN]; int status; - //IEEE80211DMESG("Rx probe"); ieee->softmac_stats.rx_auth_rq++; status = auth_rq_parse(skb, dest); - if (status != -1) { + if (status != -1) ieee80211_resp_to_auth(ieee, status, dest); - } - //DMESG("Dest is "MACSTR, MAC2STR(dest)); - } - inline void +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){ + if (assoc_rq_parse(skb, dest) != -1) ieee80211_resp_to_assoc_rq(ieee, dest); - } + printk(KERN_INFO"New client associated: %pM\n", dest); } - - 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); - } - static short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l) { - int timeout = 0; + int timeout = 0; 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)) + if (!(dtim & IEEE80211_DTIM_VALID)) return 0; - else - timeout = ieee->current_network.beacon_interval; + 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)) + if (dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST) & ieee->ps)) return 2; - if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout))) + if (!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout))) return 0; - if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout))) + if (!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout))) return 0; - if((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) && + if ((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE) && (ieee->mgmt_queue_tail != ieee->mgmt_queue_head)) return 0; - if(time_l){ + if (time_l) { *time_l = ieee->current_network.last_dtim_sta_time[0] + 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); } - if(time_h){ + if (time_h) { *time_h = ieee->current_network.last_dtim_sta_time[1]; - if(time_l && *time_l < ieee->current_network.last_dtim_sta_time[0]) + if (time_l && *time_l < ieee->current_network.last_dtim_sta_time[0]) *time_h += 1; } return 1; - - } static inline void ieee80211_sta_ps(struct ieee80211_device *ieee) { - u32 th,tl; + u32 th, tl; short sleep; - unsigned long flags,flags2; + unsigned long flags, flags2; spin_lock_irqsave(&ieee->lock, flags); - if((ieee->ps == IEEE80211_PS_DISABLED || - + if ((ieee->ps == IEEE80211_PS_DISABLED || ieee->iw_mode != IW_MODE_INFRA || - ieee->state != IEEE80211_LINKED)){ + ieee->state != IEEE80211_LINKED)) { - //#warning CHECK_LOCK_HERE + /* #warning CHECK_LOCK_HERE */ spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); ieee80211_sta_wakeup(ieee, 1); @@ -1674,71 +1486,57 @@ static inline void ieee80211_sta_ps(struct ieee80211_device *ieee) 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); + sleep = ieee80211_sta_ps_sleep(ieee, &th, &tl); /* 2 wake, 1 sleep, 0 do nothing */ - if(sleep == 0) + if (sleep == 0) goto out; - if(sleep == 1){ - - if(ieee->sta_sleep == 1) - ieee->enter_sleep_state(ieee->dev,th,tl); + 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"); + else if (ieee->sta_sleep == 0) { spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); - - if(ieee->ps_is_queue_empty(ieee->dev)){ - - + 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); + 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 + } 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); + 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"); + if (ieee->sta_sleep == 0) { + if (nl) { ieee->ps_request_tx_ack(ieee->dev); ieee80211_sta_ps_send_null_frame(ieee, 0); } return; - } - if(ieee->sta_sleep == 1) + if (ieee->sta_sleep == 1) ieee->sta_wake_up(ieee->dev); ieee->sta_sleep = 0; - if(nl){ + if (nl) { ieee->ps_request_tx_ack(ieee->dev); ieee80211_sta_ps_send_null_frame(ieee, 0); } @@ -1746,25 +1544,20 @@ void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl) void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success) { - unsigned long flags,flags2; + unsigned long flags, flags2; spin_lock_irqsave(&ieee->lock, flags); - if(ieee->sta_sleep == 2){ + if (ieee->sta_sleep == 2) { /* Null frame with PS bit set */ - if(success){ - - // printk("==================> %s::enter sleep state\n",__func__); + if (success) { ieee->sta_sleep = 1; - ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl); + 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){ + } 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); @@ -1780,16 +1573,16 @@ inline int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, { struct ieee80211_hdr_3addr *header = (struct ieee80211_hdr_3addr *) skb->data; u16 errcode; - u8* challenge=NULL; - int chlen=0; - int aid=0; + 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) + if (!ieee->proto_started) return 0; - if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED && + if (ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED && ieee->iw_mode == IW_MODE_INFRA && ieee->state == IEEE80211_LINKED)) @@ -1800,30 +1593,27 @@ inline int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, ieee->last_rx_ps_time = jiffies; switch (WLAN_FC_GET_STYPE(header->frame_control)) { - 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))){ + ieee->iw_mode == IW_MODE_INFRA) { + errcode = assoc_parse(skb, &aid); + if (0 == errcode) { u16 left; - ieee->state=IEEE80211_LINKED; + 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 - { + /* card type is 8187 */ + if (1 == rx_stats->nic_type) 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); + + 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) { @@ -1832,32 +1622,33 @@ inline int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, } switch (info_element->id) { case MFIE_TYPE_GENERIC: - IEEE80211_DEBUG_SCAN("MFIE_TYPE_GENERIC: %d bytes\n", info_element->len); + 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 parameter 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]; + /* 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 parameter 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!!! + /* nothing to do at present!!! */ break; } @@ -1866,14 +1657,14 @@ inline int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, 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 + /* legacy AP, reset the AC_xx_param register */ + if (!ieee->init_wmmparam_flag) { + 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{ + } else { ieee->softmac_stats.rx_ass_err++; IEEE80211_DEBUG_MGMT( "Association response status code 0x%x\n", @@ -1882,47 +1673,41 @@ associate_complete: } } 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); break; - case IEEE80211_STYPE_AUTH: - - if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){ + 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){ + errcode = auth_parse(skb, &challenge, &chlen); + if (0 == errcode) { + if (ieee->open_wep || !challenge) { ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED; ieee->softmac_stats.rx_auth_rs_ok++; ieee80211_associate_step2(ieee); - }else{ + } else { ieee80211_rtl_auth_challenge(ieee, challenge, chlen); } - }else{ + } else { ieee->softmac_stats.rx_auth_rs_err++; - IEEE80211_DEBUG_MGMT("Authentication response status code 0x%x",errcode); + IEEE80211_DEBUG_MGMT("Authentication response status code 0x%x", errcode); ieee80211_associate_abort(ieee); } - }else if (ieee->iw_mode == IW_MODE_MASTER){ + } 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) && @@ -1930,36 +1715,28 @@ associate_complete: ieee80211_rx_probe_rq(ieee, skb); break; - case IEEE80211_STYPE_DISASSOC: case IEEE80211_STYPE_DEAUTH: /* FIXME for now repeat all the association procedure - * both for disassociation and deauthentication - */ + * 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))){ + (!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 simpler TX queue management. * Instead of using netif_[stop/wake]_queue the driver * will uses these two function (plus a reset one), that @@ -1982,27 +1759,23 @@ associate_complete: void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee) { - - unsigned long flags; int i; - spin_lock_irqsave(&ieee->lock,flags); + spin_lock_irqsave(&ieee->lock, flags); /* called with 2nd parm 0, no tx mgmt lock required */ - ieee80211_sta_wakeup(ieee,0); - - for(i = 0; i < txb->nr_frags; i++) { + ieee80211_sta_wakeup(ieee, 0); - if (ieee->queue_stop){ + 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{ + } else { ieee->softmac_data_hard_start_xmit( txb->fragments[i], - ieee->dev,ieee->rate); - //(i+1)<txb->nr_frags); + ieee->dev, ieee->rate); ieee->stats.tx_packets++; ieee->stats.tx_bytes += txb->fragments[i]->len; ieee->dev->trans_start = jiffies; @@ -2012,66 +1785,59 @@ void ieee80211_softmac_xmit(struct ieee80211_txb *txb, ieee80211_txb_free(txb); exit: - spin_unlock_irqrestore(&ieee->lock,flags); - + spin_unlock_irqrestore(&ieee->lock, flags); } /* called with ieee->lock acquired */ static void ieee80211_resume_tx(struct ieee80211_device *ieee) { int i; - for(i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) { + for (i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) { - if (ieee->queue_stop){ + if (ieee->queue_stop) { ieee->tx_pending.frag = i; return; - }else{ - + } 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->dev, ieee->rate); 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); + spin_lock_irqsave(&ieee->lock, flags); init_mgmt_queue(ieee); - if (ieee->tx_pending.txb){ + if (ieee->tx_pending.txb) { ieee80211_txb_free(ieee->tx_pending.txb); ieee->tx_pending.txb = NULL; } ieee->queue_stop = 0; - spin_unlock_irqrestore(&ieee->lock,flags); - + spin_unlock_irqrestore(&ieee->lock, flags); } void ieee80211_rtl_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; + 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))){ - + 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_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4); @@ -2081,42 +1847,32 @@ void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee) 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 + ieee->softmac_data_hard_start_xmit(skb, ieee->dev, ieee->basic_rate); + dev_kfree_skb_any(skb); } } if (!ieee->queue_stop && ieee->tx_pending.txb) ieee80211_resume_tx(ieee); - if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)){ + if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)) { ieee->softmac_stats.swtxawake++; netif_wake_queue(ieee->dev); } - -exit : - spin_unlock_irqrestore(&ieee->lock,flags); +exit: + spin_unlock_irqrestore(&ieee->lock, flags); } - void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee) { - //unsigned long flags; - //spin_lock_irqsave(&ieee->lock,flags); - - if (! netif_queue_stopped(ieee->dev)){ + if (!netif_queue_stopped(ieee->dev)) { netif_stop_queue(ieee->dev); ieee->softmac_stats.swtxstop++; } ieee->queue_stop = 1; - //spin_unlock_irqrestore(&ieee->lock,flags); - } - inline void ieee80211_randomize_cell(struct ieee80211_device *ieee) { - random_ether_addr(ieee->current_network.bssid); } @@ -2125,7 +1881,7 @@ void ieee80211_start_master_bss(struct ieee80211_device *ieee) { ieee->assoc_id = 1; - if (ieee->current_network.ssid_len == 0){ + if (ieee->current_network.ssid_len == 0) { strncpy(ieee->current_network.ssid, IEEE80211_DEFAULT_TX_ESSID, IW_ESSID_MAX_SIZE); @@ -2149,7 +1905,7 @@ void ieee80211_start_master_bss(struct ieee80211_device *ieee) static void ieee80211_start_monitor_mode(struct ieee80211_device *ieee) { - if(ieee->raw_tx){ + if (ieee->raw_tx) { if (ieee->data_hard_resume) ieee->data_hard_resume(ieee->dev); @@ -2173,9 +1929,8 @@ static void ieee80211_start_ibss_wq(struct work_struct *work) down(&ieee->wx_sem); - - if (ieee->current_network.ssid_len == 0){ - strcpy(ieee->current_network.ssid,IEEE80211_DEFAULT_TX_ESSID); + 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; } @@ -2183,7 +1938,7 @@ static void ieee80211_start_ibss_wq(struct work_struct *work) /* check if we have this cell in our network list */ ieee80211_softmac_check_all_nets(ieee); - if(ieee->state == IEEE80211_NOLINK) + if (ieee->state == IEEE80211_NOLINK) ieee->current_network.channel = 10; /* if not then the state is not linked. Maybe the user switched to * ad-hoc mode just after being in monitor mode, or just after @@ -2203,13 +1958,12 @@ static void ieee80211_start_ibss_wq(struct work_struct *work) ieee80211_start_scan_syncro(ieee); /* the network definitively is not here.. create a new cell */ - if (ieee->state == IEEE80211_NOLINK){ + if (ieee->state == IEEE80211_NOLINK) { printk("creating new IBSS cell\n"); - if(!ieee->wap_set) + if (!ieee->wap_set) ieee80211_randomize_cell(ieee); - if(ieee->modulation & IEEE80211_CCK_MODULATION){ - + 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; @@ -2217,10 +1971,10 @@ static void ieee80211_start_ibss_wq(struct work_struct *work) 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 + } else ieee->current_network.rates_len = 0; - if(ieee->modulation & IEEE80211_OFDM_MODULATION){ + 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; @@ -2233,19 +1987,18 @@ static void ieee80211_start_ibss_wq(struct work_struct *work) ieee->current_network.rates_ex[7] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB; ieee->rate = 540; - }else{ + } else { ieee->current_network.rates_ex_len = 0; ieee->rate = 110; } - // By default, WMM function will be disabled in IBSS mode + /* 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) + if (ieee->short_slot) ieee->current_network.capability |= WLAN_CAPABILITY_SHORT_SLOT; - } ieee->state = IEEE80211_LINKED; @@ -2264,6 +2017,7 @@ static void ieee80211_start_ibss_wq(struct work_struct *work) up(&ieee->wx_sem); } + inline void ieee80211_start_ibss(struct ieee80211_device *ieee) { queue_delayed_work(ieee->wq, &ieee->start_ibss_wq, 100); @@ -2273,19 +2027,15 @@ inline void ieee80211_start_ibss(struct ieee80211_device *ieee) void ieee80211_start_bss(struct ieee80211_device *ieee) { unsigned long flags; - // - // 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) - { + /* 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; - } } - /* check if we have already found the net we - * are interested in (if any). + /* 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. */ @@ -2300,14 +2050,10 @@ void ieee80211_start_bss(struct ieee80211_device *ieee) */ spin_lock_irqsave(&ieee->lock, flags); -//#ifdef ENABLE_IPS -// printk("start bss ENABLE_IPS\n"); -//#else - if (ieee->state == IEEE80211_NOLINK){ + if (ieee->state == IEEE80211_NOLINK) { ieee->actscanning = true; ieee80211_rtl_start_scan(ieee); } -//#endif spin_unlock_irqrestore(&ieee->lock, flags); } @@ -2322,7 +2068,7 @@ void ieee80211_disassociate(struct ieee80211_device *ieee) if (ieee->data_hard_stop) ieee->data_hard_stop(ieee->dev); - if(IS_DOT11D_ENABLE(ieee)) + if (IS_DOT11D_ENABLE(ieee)) Dot11d_Reset(ieee); ieee->link_change(ieee->dev); @@ -2337,9 +2083,9 @@ static void ieee80211_associate_retry_wq(struct work_struct *work) struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq); unsigned long flags; down(&ieee->wx_sem); - if(!ieee->proto_started) + if (!ieee->proto_started) goto exit; - if(ieee->state != IEEE80211_ASSOCIATING_RETRY) + 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 @@ -2360,17 +2106,13 @@ static void ieee80211_associate_retry_wq(struct work_struct *work) spin_lock_irqsave(&ieee->lock, flags); - if(ieee->state == IEEE80211_NOLINK){ + if (ieee->state == IEEE80211_NOLINK) { ieee->beinretry = false; ieee->actscanning = true; ieee80211_rtl_start_scan(ieee); } - //YJ,add,080828, notify os here - if(ieee->state == IEEE80211_NOLINK) - { + if (ieee->state == IEEE80211_NOLINK) notify_wx_assoc_event(ieee); - } - //YJ,add,080828,end spin_unlock_irqrestore(&ieee->lock, flags); exit: @@ -2379,7 +2121,7 @@ exit: struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee) { - u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff}; + u8 broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; struct sk_buff *skb = NULL; struct ieee80211_probe_response *b; @@ -2392,7 +2134,6 @@ struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee) b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON); return skb; - } struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee) @@ -2401,7 +2142,7 @@ struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee) struct ieee80211_probe_response *b; skb = ieee80211_get_beacon_(ieee); - if(!skb) + if (!skb) return NULL; b = (struct ieee80211_probe_response *) skb->data; @@ -2423,7 +2164,6 @@ void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee) up(&ieee->wx_sem); } - void ieee80211_stop_protocol(struct ieee80211_device *ieee) { if (!ieee->proto_started) @@ -2432,9 +2172,9 @@ void ieee80211_stop_protocol(struct ieee80211_device *ieee) ieee->proto_started = 0; 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); - } + 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); @@ -2454,36 +2194,35 @@ void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee) void ieee80211_start_protocol(struct ieee80211_device *ieee) { short ch = 0; - int i = 0; + int i = 0; if (ieee->proto_started) return; ieee->proto_started = 1; - if (ieee->current_network.channel == 0){ - do{ + if (ieee->current_network.channel == 0) { + do { ch++; if (ch > MAX_CHANNEL_NUMBER) return; /* no channel found */ - }while(!GET_DOT11D_INFO(ieee)->channel_map[ch]); + } while (!GET_DOT11D_INFO(ieee)->channel_map[ch]); 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); + 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; + 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. - + 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 @@ -2493,7 +2232,7 @@ void ieee80211_start_protocol(struct ieee80211_device *ieee) switch (ieee->iw_mode) { case IW_MODE_AUTO: ieee->iw_mode = IW_MODE_INFRA; - //not set break here intentionly + /* not set break here intentionly */ case IW_MODE_INFRA: ieee80211_start_bss(ieee); break; @@ -2517,7 +2256,6 @@ void ieee80211_start_protocol(struct ieee80211_device *ieee) } } - #define DRV_NAME "Ieee80211" void ieee80211_softmac_init(struct ieee80211_device *ieee) { @@ -2526,36 +2264,29 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee) ieee->state = IEEE80211_NOLINK; ieee->sync_scan_hurryup = 0; - for(i = 0; i < 5; i++) { - ieee->seq_ctrl[i] = 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->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->NumRxDataInPeriod = 0; + ieee->NumRxBcnInPeriod = 0; + ieee->NumRxOkTotal = 0; + ieee->NumRxUnicast = 0; /* for keep alive */ ieee->beinretry = false; ieee->bHwRadioOff = false; -//by amy init_mgmt_queue(ieee); @@ -2571,13 +2302,12 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee) ieee->wq = create_workqueue(DRV_NAME); - 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); + 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); sema_init(&ieee->wx_sem, 1); sema_init(&ieee->scan_sem, 1); @@ -2598,8 +2328,7 @@ void ieee80211_softmac_free(struct ieee80211_device *ieee) del_timer_sync(&ieee->associate_timer); cancel_delayed_work(&ieee->associate_retry_wq); - - //add for RF power on power of by lizhaoming 080512 + /* add for RF power on power of */ cancel_delayed_work(&ieee->GPIOChangeRFWorkItem); destroy_workqueue(ieee->wq); @@ -2607,22 +2336,16 @@ void ieee80211_softmac_free(struct ieee80211_device *ieee) up(&ieee->wx_sem); } -/******************************************************** - * Start of WPA code. * - * this is stolen from the ipw2200 driver * - ********************************************************/ - - +/* 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"); + printk("%s WPA\n", value ? "enabling" : "disabling"); ieee->wpa_enabled = value; return 0; } - static void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee, char *wpa_ie, int wpa_ie_len) { @@ -2632,16 +2355,14 @@ static void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee, char *wpa_i 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 + /* silently ignore */ break; case IEEE_MLME_STA_DISASSOC: @@ -2656,7 +2377,6 @@ static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, return ret; } - static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee, struct ieee_param *param, int plen) { @@ -2690,7 +2410,6 @@ static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee, static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value) { - struct ieee80211_security sec = { .flags = SEC_AUTH_MODE, }; @@ -2715,7 +2434,7 @@ static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value) static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, u32 value) { - int ret=0; + int ret = 0; unsigned long flags; switch (name) { @@ -2724,7 +2443,7 @@ static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, break; case IEEE_PARAM_TKIP_COUNTERMEASURES: - ieee->tkip_countermeasures=value; + ieee->tkip_countermeasures = value; break; case IEEE_PARAM_DROP_UNENCRYPTED: { @@ -2743,15 +2462,14 @@ static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, .flags = SEC_ENABLED, .enabled = value, }; - ieee->drop_unencrypted = 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 { + } else { sec.flags |= SEC_LEVEL; sec.level = SEC_LEVEL_1; } @@ -2761,27 +2479,22 @@ static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, } case IEEE_PARAM_PRIVACY_INVOKED: - ieee->privacy_invoked=value; + 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; + 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); + 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); + spin_unlock_irqrestore(&ieee->wpax_suitlist_lock, flags); break; - default: - printk("Unknown WPA param: %d\n",name); + printk("Unknown WPA param: %d\n", name); ret = -EOPNOTSUPP; } @@ -2823,8 +2536,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, if (strcmp(param->u.crypt.alg, "none") == 0) { if (crypt) { sec.enabled = 0; - // FIXME FIXME - //sec.encrypt = 0; + /* FIXME FIXME */ sec.level = SEC_LEVEL_0; sec.flags |= SEC_ENABLED | SEC_LEVEL; ieee80211_crypt_delayed_deinit(ieee, crypt); @@ -2832,8 +2544,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, goto done; } sec.enabled = 1; -// FIXME FIXME -// sec.encrypt = 1; + /* FIXME FIXME */ sec.flags |= SEC_ENABLED; /* IPW HW cannot build TKIP MIC, host decryption still needed. */ @@ -2942,12 +2653,11 @@ int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p) { struct ieee_param *param; - int ret=0; + 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){ + if (p->length < sizeof(struct ieee_param) || !p->pointer) { ret = -EINVAL; goto out; } @@ -2959,27 +2669,22 @@ int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, } 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); + printk("Unknown WPA supplicant request: %d\n", param->cmd); ret = -EOPNOTSUPP; break; } |
