diff options
Diffstat (limited to 'drivers/staging/rtl8192u/ieee80211/ieee80211_softmac_wx.c')
-rw-r--r-- | drivers/staging/rtl8192u/ieee80211/ieee80211_softmac_wx.c | 598 |
1 files changed, 0 insertions, 598 deletions
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac_wx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac_wx.c deleted file mode 100644 index afa92ddfa0..0000000000 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac_wx.c +++ /dev/null @@ -1,598 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* IEEE 802.11 SoftMAC layer - * Copyright (c) 2005 Andrea Merello <andrea.merello@gmail.com> - * - * 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 ;-) - */ - - -#include <linux/etherdevice.h> - -#include "ieee80211.h" -#include "dot11d.h" -/* FIXME: add A freqs */ - -const long ieee80211_wlan_frequencies[] = { - 2412, 2417, 2422, 2427, - 2432, 2437, 2442, 2447, - 2452, 2457, 2462, 2467, - 2472, 2484 -}; -EXPORT_SYMBOL(ieee80211_wlan_frequencies); - -int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a, - union iwreq_data *wrqu, char *b) -{ - int ret; - struct iw_freq *fwrq = &wrqu->freq; - - mutex_lock(&ieee->wx_mutex); - - if (ieee->iw_mode == IW_MODE_INFRA) { - ret = -EOPNOTSUPP; - 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 != ieee80211_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 */ - - if (!(GET_DOT11D_INFO(ieee)->channel_map)[fwrq->m]) { - ret = -EINVAL; - goto out; - } - 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 == IEEE80211_LINKED) { - ieee80211_stop_send_beacons(ieee); - ieee80211_start_send_beacons(ieee); - } - } - - ret = 0; -out: - mutex_unlock(&ieee->wx_mutex); - return ret; -} -EXPORT_SYMBOL(ieee80211_wx_set_freq); - -int ieee80211_wx_get_freq(struct ieee80211_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; - /* NM 0.7.0 will not accept channel any more. */ - fwrq->m = ieee80211_wlan_frequencies[ieee->current_network.channel - 1] * 100000; - fwrq->e = 1; - /* fwrq->m = ieee->current_network.channel; */ - /* fwrq->e = 0; */ - - return 0; -} -EXPORT_SYMBOL(ieee80211_wx_get_freq); - -int ieee80211_wx_get_wap(struct ieee80211_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 != IEEE80211_LINKED && - ieee->state != IEEE80211_LINKED_SCANNING && - ieee->wap_set == 0) - - eth_zero_addr(wrqu->ap_addr.sa_data); - else - memcpy(wrqu->ap_addr.sa_data, - ieee->current_network.bssid, ETH_ALEN); - - spin_unlock_irqrestore(&ieee->lock, flags); - - return 0; -} -EXPORT_SYMBOL(ieee80211_wx_get_wap); - -int ieee80211_wx_set_wap(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *awrq, - char *extra) -{ - - int ret = 0; - unsigned long flags; - - short ifup = ieee->proto_started; /* dev->flags & IFF_UP; */ - struct sockaddr *temp = (struct sockaddr *)awrq; - - ieee->sync_scan_hurryup = 1; - - mutex_lock(&ieee->wx_mutex); - /* 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 (ifup) - ieee80211_stop_protocol(ieee); - - /* just to avoid to give inconsistent infos in the - * get wx method. not really needed otherwise - */ - spin_lock_irqsave(&ieee->lock, flags); - - memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); - ieee->wap_set = !is_zero_ether_addr(temp->sa_data); - - spin_unlock_irqrestore(&ieee->lock, flags); - - if (ifup) - ieee80211_start_protocol(ieee); -out: - mutex_unlock(&ieee->wx_mutex); - return ret; -} -EXPORT_SYMBOL(ieee80211_wx_set_wap); - -int ieee80211_wx_get_essid(struct ieee80211_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 != IEEE80211_LINKED && - ieee->state != IEEE80211_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; - -} -EXPORT_SYMBOL(ieee80211_wx_get_essid); - -int ieee80211_wx_set_rate(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - - u32 target_rate = wrqu->bitrate.value; - - ieee->rate = target_rate / 100000; - /* FIXME: we might want to limit rate also in management protocols. */ - return 0; -} -EXPORT_SYMBOL(ieee80211_wx_set_rate); - -int ieee80211_wx_get_rate(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - u32 tmp_rate; - - tmp_rate = TxCountToDataRate(ieee, ieee->softmac_stats.CurrentShowTxate); - - wrqu->bitrate.value = tmp_rate * 500000; - - return 0; -} -EXPORT_SYMBOL(ieee80211_wx_get_rate); - -int ieee80211_wx_set_rts(struct ieee80211_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; -} -EXPORT_SYMBOL(ieee80211_wx_set_rts); - -int ieee80211_wx_get_rts(struct ieee80211_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; -} -EXPORT_SYMBOL(ieee80211_wx_get_rts); - -int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a, - union iwreq_data *wrqu, char *b) -{ - - ieee->sync_scan_hurryup = 1; - - mutex_lock(&ieee->wx_mutex); - - if (wrqu->mode == ieee->iw_mode) - goto out; - - if (wrqu->mode == IW_MODE_MONITOR) - ieee->dev->type = ARPHRD_IEEE80211; - else - ieee->dev->type = ARPHRD_ETHER; - - if (!ieee->proto_started) { - ieee->iw_mode = wrqu->mode; - } else { - ieee80211_stop_protocol(ieee); - ieee->iw_mode = wrqu->mode; - ieee80211_start_protocol(ieee); - } - -out: - mutex_unlock(&ieee->wx_mutex); - return 0; -} -EXPORT_SYMBOL(ieee80211_wx_set_mode); - -void ieee80211_wx_sync_scan_wq(struct work_struct *work) -{ - struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wx_sync_scan_wq); - short chan; - enum ht_extension_chan_offset chan_offset = 0; - enum ht_channel_width bandwidth = 0; - int b40M = 0; - - chan = ieee->current_network.channel; - netif_carrier_off(ieee->dev); - - if (ieee->data_hard_stop) - ieee->data_hard_stop(ieee->dev); - - ieee80211_stop_send_beacons(ieee); - - ieee->state = IEEE80211_LINKED_SCANNING; - ieee->link_change(ieee->dev); - ieee->InitialGainHandler(ieee->dev, IG_Backup); - if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT && ieee->pHTInfo->bCurBW40MHz) { - b40M = 1; - chan_offset = ieee->pHTInfo->CurSTAExtChnlOffset; - bandwidth = (enum ht_channel_width)ieee->pHTInfo->bCurBW40MHz; - printk("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); - } - ieee80211_start_scan_syncro(ieee); - if (b40M) { - printk("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); - } - - ieee->InitialGainHandler(ieee->dev, IG_Restore); - ieee->state = IEEE80211_LINKED; - ieee->link_change(ieee->dev); - /* To prevent the immediately calling watch_dog after scan. */ - 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) - ieee80211_start_send_beacons(ieee); - - netif_carrier_on(ieee->dev); - mutex_unlock(&ieee->wx_mutex); - -} - -int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a, - union iwreq_data *wrqu, char *b) -{ - int ret = 0; - - mutex_lock(&ieee->wx_mutex); - - if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)) { - ret = -1; - goto out; - } - - if (ieee->state == IEEE80211_LINKED) { - queue_work(ieee->wq, &ieee->wx_sync_scan_wq); - /* intentionally forget to up sem */ - return 0; - } - -out: - mutex_unlock(&ieee->wx_mutex); - return ret; -} -EXPORT_SYMBOL(ieee80211_wx_set_scan); - -int ieee80211_wx_set_essid(struct ieee80211_device *ieee, - struct iw_request_info *a, - union iwreq_data *wrqu, char *extra) -{ - - int ret = 0, len; - short proto_started; - unsigned long flags; - - ieee->sync_scan_hurryup = 1; - mutex_lock(&ieee->wx_mutex); - - proto_started = ieee->proto_started; - - if (wrqu->essid.length > IW_ESSID_MAX_SIZE) { - ret = -E2BIG; - goto out; - } - - if (ieee->iw_mode == IW_MODE_MONITOR) { - ret = -1; - goto out; - } - - if (proto_started) - ieee80211_stop_protocol(ieee); - - - /* 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) { - /* first flush current network.ssid */ - len = ((wrqu->essid.length - 1) < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length - 1) : IW_ESSID_MAX_SIZE; - strncpy(ieee->current_network.ssid, extra, len + 1); - ieee->current_network.ssid_len = len + 1; - 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) - ieee80211_start_protocol(ieee); -out: - mutex_unlock(&ieee->wx_mutex); - return ret; -} -EXPORT_SYMBOL(ieee80211_wx_set_essid); - -int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a, - union iwreq_data *wrqu, char *b) -{ - - wrqu->mode = ieee->iw_mode; - return 0; -} -EXPORT_SYMBOL(ieee80211_wx_get_mode); - -int ieee80211_wx_set_rawtx(struct ieee80211_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; - - mutex_lock(&ieee->wx_mutex); - - if (enable) - ieee->raw_tx = 1; - else - ieee->raw_tx = 0; - - netdev_info(ieee->dev, "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); - } - - mutex_unlock(&ieee->wx_mutex); - - return 0; -} -EXPORT_SYMBOL(ieee80211_wx_set_rawtx); - -int ieee80211_wx_get_name(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - strscpy(wrqu->name, "802.11", IFNAMSIZ); - if (ieee->modulation & IEEE80211_CCK_MODULATION) { - strlcat(wrqu->name, "b", IFNAMSIZ); - if (ieee->modulation & IEEE80211_OFDM_MODULATION) - strlcat(wrqu->name, "/g", IFNAMSIZ); - } else if (ieee->modulation & IEEE80211_OFDM_MODULATION) { - strlcat(wrqu->name, "g", IFNAMSIZ); - } - - if (ieee->mode & (IEEE_N_24G | IEEE_N_5G)) - strlcat(wrqu->name, "/n", IFNAMSIZ); - - if ((ieee->state == IEEE80211_LINKED) || - (ieee->state == IEEE80211_LINKED_SCANNING)) - strlcat(wrqu->name, " linked", IFNAMSIZ); - else if (ieee->state != IEEE80211_NOLINK) - strlcat(wrqu->name, " link..", IFNAMSIZ); - - return 0; -} -EXPORT_SYMBOL(ieee80211_wx_get_name); - -/* this is mostly stolen from hostap */ -int ieee80211_wx_set_power(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - int ret = 0; - - mutex_lock(&ieee->wx_mutex); - - if (wrqu->power.disabled) { - ieee->ps = IEEE80211_PS_DISABLED; - goto exit; - } - if (wrqu->power.flags & IW_POWER_TIMEOUT) { - /* ieee->ps_period = wrqu->power.value / 1000; */ - ieee->ps_timeout = wrqu->power.value / 1000; - } - - if (wrqu->power.flags & IW_POWER_PERIOD) { - - /* ieee->ps_timeout = wrqu->power.value / 1000; */ - ieee->ps_period = wrqu->power.value / 1000; - /* wrq->value / 1024; */ - - } - switch (wrqu->power.flags & IW_POWER_MODE) { - case IW_POWER_UNICAST_R: - ieee->ps = IEEE80211_PS_UNICAST; - break; - case IW_POWER_MULTICAST_R: - ieee->ps = IEEE80211_PS_MBCAST; - break; - case IW_POWER_ALL_R: - ieee->ps = IEEE80211_PS_UNICAST | IEEE80211_PS_MBCAST; - break; - - case IW_POWER_ON: - /* ieee->ps = IEEE80211_PS_DISABLED; */ - break; - - default: - ret = -EINVAL; - goto exit; - - } -exit: - mutex_unlock(&ieee->wx_mutex); - return ret; - -} -EXPORT_SYMBOL(ieee80211_wx_set_power); - -/* this is stolen from hostap */ -int ieee80211_wx_get_power(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - mutex_lock(&ieee->wx_mutex); - - if (ieee->ps == IEEE80211_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 { - /* ret = -EOPNOTSUPP; */ - /* goto exit; */ - wrqu->power.flags = IW_POWER_PERIOD; - wrqu->power.value = ieee->ps_period * 1000; - /* ieee->current_network.dtim_period * ieee->current_network.beacon_interval * 1024; */ - } - - if ((ieee->ps & (IEEE80211_PS_MBCAST | IEEE80211_PS_UNICAST)) == (IEEE80211_PS_MBCAST | IEEE80211_PS_UNICAST)) - wrqu->power.flags |= IW_POWER_ALL_R; - else if (ieee->ps & IEEE80211_PS_MBCAST) - wrqu->power.flags |= IW_POWER_MULTICAST_R; - else - wrqu->power.flags |= IW_POWER_UNICAST_R; - -exit: - mutex_unlock(&ieee->wx_mutex); - return 0; - -} -EXPORT_SYMBOL(ieee80211_wx_get_power); |