diff options
author | Larry Finger <Larry.Finger@lwfinger.net> | 2011-08-23 19:00:42 -0500 |
---|---|---|
committer | Larry Finger <Larry.Finger@lwfinger.net> | 2011-08-23 19:00:42 -0500 |
commit | 94a799425eee8225a1e3fbe5f473d2ef04002577 (patch) | |
tree | e4d188ca8f652c6b61859472fe9de05ef8ae33b3 /drivers/staging/rtl8192e/rtllib_softmac_wx.c | |
parent | 8cfcabf80c875aff5f3dad1ffdf48096f5be1f7f (diff) |
From: wlanfae <wlanfae@realtek.com>
[PATCH 1/8] rtl8192e: Import new version of driver from realtek
Signed-off-by: wlanfae <wlanfae@realtek.com>
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_softmac_wx.c')
-rw-r--r-- | drivers/staging/rtl8192e/rtllib_softmac_wx.c | 670 |
1 files changed, 670 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c new file mode 100644 index 00000000000..7cda2908bae --- /dev/null +++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c @@ -0,0 +1,670 @@ +/* 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. + * + * Some pieces of code might be stolen from ipw2100 driver + * copyright of who own it's copyright ;-) + * + * PS wx handler mostly stolen from hostap, copyright who + * own it's copyright ;-) + * + * released under the GPL + */ + + +#include "rtllib.h" +#include "rtl_core.h" +#ifdef ENABLE_DOT11D +#include "dot11d.h" +#endif +/* FIXME: add A freqs */ + +const long rtllib_wlan_frequencies[] = { + 2412, 2417, 2422, 2427, + 2432, 2437, 2442, 2447, + 2452, 2457, 2462, 2467, + 2472, 2484 +}; + + +int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + int ret; + struct iw_freq *fwrq = & wrqu->freq; + + down(&ieee->wx_sem); + + if (ieee->iw_mode == IW_MODE_INFRA){ + ret = 0; + goto out; + } + + /* if setting by freq convert to channel */ + if (fwrq->e == 1) { + if ((fwrq->m >= (int) 2.412e8 && + fwrq->m <= (int) 2.487e8)) { + int f = fwrq->m / 100000; + int c = 0; + + while ((c < 14) && (f != rtllib_wlan_frequencies[c])) + c++; + + /* hack to fall through */ + fwrq->e = 0; + fwrq->m = c + 1; + } + } + + if (fwrq->e > 0 || fwrq->m > 14 || fwrq->m < 1 ){ + ret = -EOPNOTSUPP; + goto out; + + }else { /* Set the channel */ + +#ifdef ENABLE_DOT11D + if (ieee->active_channel_map[fwrq->m] != 1) { + ret = -EINVAL; + goto out; + } +#endif + ieee->current_network.channel = fwrq->m; + ieee->set_chan(ieee->dev, ieee->current_network.channel); + + if (ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER) + if (ieee->state == RTLLIB_LINKED){ + + rtllib_stop_send_beacons(ieee); + rtllib_start_send_beacons(ieee); + } + } + + ret = 0; +out: + up(&ieee->wx_sem); + return ret; +} + + +int rtllib_wx_get_freq(struct rtllib_device *ieee, + struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + struct iw_freq *fwrq = & wrqu->freq; + + if (ieee->current_network.channel == 0) + return -1; + fwrq->m = rtllib_wlan_frequencies[ieee->current_network.channel-1] * 100000; + fwrq->e = 1; + return 0; +} + +int rtllib_wx_get_wap(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + unsigned long flags; + + wrqu->ap_addr.sa_family = ARPHRD_ETHER; + + if (ieee->iw_mode == IW_MODE_MONITOR) + return -1; + + /* We want avoid to give to the user inconsistent infos*/ + spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->state != RTLLIB_LINKED && + ieee->state != RTLLIB_LINKED_SCANNING && + ieee->wap_set == 0) + + memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN); + else + memcpy(wrqu->ap_addr.sa_data, + ieee->current_network.bssid, ETH_ALEN); + + spin_unlock_irqrestore(&ieee->lock, flags); + + return 0; +} + + +int rtllib_wx_set_wap(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *awrq, + char *extra) +{ + + int ret = 0; + u8 zero[] = {0,0,0,0,0,0}; + unsigned long flags; + + short ifup = ieee->proto_started; + struct sockaddr *temp = (struct sockaddr *)awrq; + + rtllib_stop_scan_syncro(ieee); + + down(&ieee->wx_sem); + /* use ifconfig hw ether */ + if (ieee->iw_mode == IW_MODE_MASTER){ + ret = -1; + goto out; + } + + if (temp->sa_family != ARPHRD_ETHER){ + ret = -EINVAL; + goto out; + } + + if (memcmp(temp->sa_data, zero,ETH_ALEN) == 0){ + spin_lock_irqsave(&ieee->lock, flags); + memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); + ieee->wap_set = 0; + spin_unlock_irqrestore(&ieee->lock, flags); + ret = -1; + goto out; + } + + + if (ifup) + rtllib_stop_protocol(ieee,true); + + /* just to avoid to give inconsistent infos in the + * get wx method. not really needed otherwise + */ + spin_lock_irqsave(&ieee->lock, flags); + + ieee->cannot_notify = false; + memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); + ieee->wap_set = (memcmp(temp->sa_data, zero,ETH_ALEN)!=0); + + spin_unlock_irqrestore(&ieee->lock, flags); + + if (ifup) + rtllib_start_protocol(ieee); +out: + up(&ieee->wx_sem); + return ret; +} + + int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b) +{ + int len,ret = 0; + unsigned long flags; + + if (ieee->iw_mode == IW_MODE_MONITOR) + return -1; + + /* We want avoid to give to the user inconsistent infos*/ + spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->current_network.ssid[0] == '\0' || + ieee->current_network.ssid_len == 0){ + ret = -1; + goto out; + } + + if (ieee->state != RTLLIB_LINKED && + ieee->state != RTLLIB_LINKED_SCANNING && + ieee->ssid_set == 0){ + ret = -1; + goto out; + } + len = ieee->current_network.ssid_len; + wrqu->essid.length = len; + strncpy(b,ieee->current_network.ssid,len); + wrqu->essid.flags = 1; + +out: + spin_unlock_irqrestore(&ieee->lock, flags); + + return ret; + +} + +int rtllib_wx_set_rate(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + + u32 target_rate = wrqu->bitrate.value; + + ieee->rate = target_rate/100000; + return 0; +} + +int rtllib_wx_get_rate(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + u32 tmp_rate = 0; +#if defined RTL8192SU + if (ieee->mode & (IEEE_A | IEEE_B | IEEE_G)) + tmp_rate = ieee->rate; + else if (ieee->mode & IEEE_N_5G) + tmp_rate = 580; + else if (ieee->mode & IEEE_N_24G) { + if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)) + tmp_rate = HTHalfMcsToDataRate(ieee, 15); + else + tmp_rate = HTMcsToDataRate(ieee, 15); + } +#elif defined RTL8192SE || defined RTL8192CE + tmp_rate = ieee->rtl_11n_user_show_rates(ieee->dev); +#else + tmp_rate = TxCountToDataRate(ieee, ieee->softmac_stats.CurrentShowTxate); +#endif + wrqu->bitrate.value = tmp_rate * 500000; + + return 0; +} + + +int rtllib_wx_set_rts(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + if (wrqu->rts.disabled || !wrqu->rts.fixed) + ieee->rts = DEFAULT_RTS_THRESHOLD; + else + { + if (wrqu->rts.value < MIN_RTS_THRESHOLD || + wrqu->rts.value > MAX_RTS_THRESHOLD) + return -EINVAL; + ieee->rts = wrqu->rts.value; + } + return 0; +} + +int rtllib_wx_get_rts(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + wrqu->rts.value = ieee->rts; + wrqu->rts.fixed = 0; /* no auto select */ + wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD); + return 0; +} + +int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + int set_mode_status = 0; + + rtllib_stop_scan_syncro(ieee); + down(&ieee->wx_sem); + switch (wrqu->mode) { + case IW_MODE_MONITOR: + case IW_MODE_ADHOC: + case IW_MODE_INFRA: + break; + case IW_MODE_AUTO: + wrqu->mode = IW_MODE_INFRA; + break; + default: + set_mode_status = -EINVAL; + goto out; + } + + if (wrqu->mode == ieee->iw_mode) + goto out; + + if (wrqu->mode == IW_MODE_MONITOR) { +#if defined(RTLLIB_RADIOTAP) && (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)) + ieee->dev->type = ARPHRD_IEEE80211_RADIOTAP; +#else + ieee->dev->type = ARPHRD_IEEE80211; +#endif + rtllib_EnableNetMonitorMode(ieee->dev,false); + + } else { + ieee->dev->type = ARPHRD_ETHER; + if (ieee->iw_mode == IW_MODE_MONITOR) + rtllib_DisableNetMonitorMode(ieee->dev,false); + } + + if (!ieee->proto_started) { + ieee->iw_mode = wrqu->mode; + } else { + rtllib_stop_protocol(ieee,true); + ieee->iw_mode = wrqu->mode; + rtllib_start_protocol(ieee); + } + +out: + up(&ieee->wx_sem); + return set_mode_status; +} + +void rtllib_wx_sync_scan_wq(void *data) +{ + struct rtllib_device *ieee = container_of_work_rsl(data, struct rtllib_device, wx_sync_scan_wq); + short chan; + HT_EXTCHNL_OFFSET chan_offset=0; + HT_CHANNEL_WIDTH bandwidth=0; + int b40M = 0; + static int count = 0; + + if (!(ieee->softmac_features & IEEE_SOFTMAC_SCAN)){ + rtllib_start_scan_syncro(ieee, 0); + goto out; + } + + chan = ieee->current_network.channel; + + if (ieee->LeisurePSLeave) + ieee->LeisurePSLeave(ieee->dev); + /* notify AP to be in PS mode */ + rtllib_sta_ps_send_null_frame(ieee, 1); + rtllib_sta_ps_send_null_frame(ieee, 1); + + rtllib_stop_all_queues(ieee); + + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); + rtllib_stop_send_beacons(ieee); + ieee->state = RTLLIB_LINKED_SCANNING; + ieee->link_change(ieee->dev); + /* wait for ps packet to be kicked out successfully */ + msleep(50); + + if (ieee->ScanOperationBackupHandler) + ieee->ScanOperationBackupHandler(ieee->dev,SCAN_OPT_BACKUP); + + if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT && ieee->pHTInfo->bCurBW40MHz) { + b40M = 1; + chan_offset = ieee->pHTInfo->CurSTAExtChnlOffset; + bandwidth = (HT_CHANNEL_WIDTH)ieee->pHTInfo->bCurBW40MHz; + RT_TRACE(COMP_DBG, "Scan in 40M, force to 20M first:%d, %d\n", chan_offset, bandwidth); + ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT); + } + + rtllib_start_scan_syncro(ieee, 0); + + if (b40M) { + RT_TRACE(COMP_DBG, "Scan in 20M, back to 40M\n"); + if (chan_offset == HT_EXTCHNL_OFFSET_UPPER) + ieee->set_chan(ieee->dev, chan + 2); + else if (chan_offset == HT_EXTCHNL_OFFSET_LOWER) + ieee->set_chan(ieee->dev, chan - 2); + else + ieee->set_chan(ieee->dev, chan); + ieee->SetBWModeHandler(ieee->dev, bandwidth, chan_offset); + } else { + ieee->set_chan(ieee->dev, chan); + } + + if (ieee->ScanOperationBackupHandler) + ieee->ScanOperationBackupHandler(ieee->dev,SCAN_OPT_RESTORE); + + ieee->state = RTLLIB_LINKED; + ieee->link_change(ieee->dev); + + /* Notify AP that I wake up again */ + rtllib_sta_ps_send_null_frame(ieee, 0); + + if (ieee->LinkDetectInfo.NumRecvBcnInPeriod == 0 || + ieee->LinkDetectInfo.NumRecvDataInPeriod == 0 ) { + ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1; + ieee->LinkDetectInfo.NumRecvDataInPeriod= 1; + } + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + if (ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER) + rtllib_start_send_beacons(ieee); + + rtllib_wake_all_queues(ieee); + + count = 0; +out: + up(&ieee->wx_sem); + +} + +int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + int ret = 0; + + down(&ieee->wx_sem); + + if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)){ + ret = -1; + goto out; + } + + if ( ieee->state == RTLLIB_LINKED){ + queue_work_rsl(ieee->wq, &ieee->wx_sync_scan_wq); + /* intentionally forget to up sem */ + return 0; + } + +out: + up(&ieee->wx_sem); + return ret; +} + +int rtllib_wx_set_essid(struct rtllib_device *ieee, + struct iw_request_info *a, + union iwreq_data *wrqu, char *extra) +{ + + int ret=0,len,i; + short proto_started; + unsigned long flags; + + rtllib_stop_scan_syncro(ieee); + down(&ieee->wx_sem); + + proto_started = ieee->proto_started; + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) + len = ((wrqu->essid.length-1) < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length-1) : IW_ESSID_MAX_SIZE; +#else + len = (wrqu->essid.length < IW_ESSID_MAX_SIZE) ? wrqu->essid.length : IW_ESSID_MAX_SIZE; +#endif + + if (len > IW_ESSID_MAX_SIZE){ + ret= -E2BIG; + goto out; + } + + if (ieee->iw_mode == IW_MODE_MONITOR){ + ret= -1; + goto out; + } + + for (i=0; i<len; i++){ + if (extra[i] < 0){ + ret= -1; + goto out; + } + } + + if (proto_started) + rtllib_stop_protocol(ieee,true); + + + /* this is just to be sure that the GET wx callback + * has consisten infos. not needed otherwise + */ + spin_lock_irqsave(&ieee->lock, flags); + + if (wrqu->essid.flags && wrqu->essid.length) { + strncpy(ieee->current_network.ssid, extra, len); + ieee->current_network.ssid_len = len; + ieee->cannot_notify = false; + ieee->ssid_set = 1; + } + else{ + ieee->ssid_set = 0; + ieee->current_network.ssid[0] = '\0'; + ieee->current_network.ssid_len = 0; + } + spin_unlock_irqrestore(&ieee->lock, flags); + + if (proto_started) + rtllib_start_protocol(ieee); +out: + up(&ieee->wx_sem); + return ret; +} + + int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + wrqu->mode = ieee->iw_mode; + return 0; +} + + int rtllib_wx_set_rawtx(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + + int *parms = (int *)extra; + int enable = (parms[0] > 0); + short prev = ieee->raw_tx; + + down(&ieee->wx_sem); + + if (enable) + ieee->raw_tx = 1; + else + ieee->raw_tx = 0; + + printk(KERN_INFO"raw TX is %s\n", + ieee->raw_tx ? "enabled" : "disabled"); + + if (ieee->iw_mode == IW_MODE_MONITOR) + { + if (prev == 0 && ieee->raw_tx){ + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + } + + if (prev && ieee->raw_tx == 1) + netif_carrier_off(ieee->dev); + } + + up(&ieee->wx_sem); + + return 0; +} + +int rtllib_wx_get_name(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + strcpy(wrqu->name, "802.11"); + + if (ieee->modulation & RTLLIB_CCK_MODULATION) + strcat(wrqu->name, "b"); + if (ieee->modulation & RTLLIB_OFDM_MODULATION) + strcat(wrqu->name, "g"); + if (ieee->mode & (IEEE_N_24G | IEEE_N_5G)) + strcat(wrqu->name, "n"); + return 0; +} + + +/* this is mostly stolen from hostap */ +int rtllib_wx_set_power(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + int ret = 0; +#if 1 + if ( + (!ieee->sta_wake_up) || + (!ieee->enter_sleep_state) || + (!ieee->ps_is_queue_empty)){ + + RTLLIB_DEBUG(RTLLIB_DL_ERR,"%s(): PS mode is tryied to be use but driver missed a callback\n\n",__func__); + + return -1; + } +#endif + down(&ieee->wx_sem); + + if (wrqu->power.disabled){ + RT_TRACE(COMP_DBG, "===>%s(): power disable\n",__func__); + ieee->ps = RTLLIB_PS_DISABLED; + goto exit; + } + if (wrqu->power.flags & IW_POWER_TIMEOUT) { + ieee->ps_timeout = wrqu->power.value / 1000; + RT_TRACE(COMP_DBG, "===>%s():ps_timeout is %d\n",__func__,ieee->ps_timeout); + } + + if (wrqu->power.flags & IW_POWER_PERIOD) { + + ieee->ps_period = wrqu->power.value / 1000; + + } + switch (wrqu->power.flags & IW_POWER_MODE) { + case IW_POWER_UNICAST_R: + ieee->ps = RTLLIB_PS_UNICAST; + break; + case IW_POWER_MULTICAST_R: + ieee->ps = RTLLIB_PS_MBCAST; + break; + case IW_POWER_ALL_R: + ieee->ps = RTLLIB_PS_UNICAST | RTLLIB_PS_MBCAST; + break; + + case IW_POWER_ON: + break; + + default: + ret = -EINVAL; + goto exit; + + } +exit: + up(&ieee->wx_sem); + return ret; + +} + +/* this is stolen from hostap */ +int rtllib_wx_get_power(struct rtllib_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + int ret =0; + + down(&ieee->wx_sem); + + if (ieee->ps == RTLLIB_PS_DISABLED) { + wrqu->power.disabled = 1; + goto exit; + } + + wrqu->power.disabled = 0; + + if ((wrqu->power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { + wrqu->power.flags = IW_POWER_TIMEOUT; + wrqu->power.value = ieee->ps_timeout * 1000; + } else { + wrqu->power.flags = IW_POWER_PERIOD; + wrqu->power.value = ieee->ps_period * 1000; + } + + if ((ieee->ps & (RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST)) == (RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST)) + wrqu->power.flags |= IW_POWER_ALL_R; + else if (ieee->ps & RTLLIB_PS_MBCAST) + wrqu->power.flags |= IW_POWER_MULTICAST_R; + else + wrqu->power.flags |= IW_POWER_UNICAST_R; + +exit: + up(&ieee->wx_sem); + return ret; + +} |