1 files changed, 602 insertions, 0 deletions

diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
new file mode 100644
index 000000000000..93af37e2d31a
--- /dev/null
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
@@ -0,0 +1,602 @@
+/* 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 "ieee80211.h"
+
+/* FIXME: add A freqs */
+
+const long ieee80211_wlan_frequencies[] = {
+	2412, 2417, 2422, 2427,
+	2432, 2437, 2442, 2447,
+	2452, 2457, 2462, 2467,
+	2472, 2484
+};
+
+
+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;
+//	printk("in %s\n",__func__);
+	down(&ieee->wx_sem);
+
+	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 */
+
+
+		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:
+	up(&ieee->wx_sem);
+	return ret;
+}
+
+
+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;
+
+	fwrq->m = ieee->current_network.channel;
+	fwrq->e = 0;
+
+	return 0;
+}
+
+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)
+
+		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 ieee80211_wx_set_wap(struct ieee80211_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;//dev->flags & IFF_UP;
+	struct sockaddr *temp = (struct sockaddr *)awrq;
+
+	//printk("=======Set WAP:");
+	ieee->sync_scan_hurryup = 1;
+
+	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 (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 = memcmp(temp->sa_data, zero,ETH_ALEN)!=0;
+	//printk(" %x:%x:%x:%x:%x:%x\n", ieee->current_network.bssid[0],ieee->current_network.bssid[1],ieee->current_network.bssid[2],ieee->current_network.bssid[3],ieee->current_network.bssid[4],ieee->current_network.bssid[5]);
+
+	spin_unlock_irqrestore(&ieee->lock, flags);
+
+	if (ifup)
+		ieee80211_start_protocol(ieee);
+
+out:
+	up(&ieee->wx_sem);
+	return ret;
+}
+
+ 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;
+
+}
+
+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;
+
+	//added by lizhaoming for auto mode
+	if(target_rate == -1){
+	ieee->rate = 110;
+	} else {
+	ieee->rate = target_rate/100000;
+	}
+	//FIXME: we might want to limit rate also in management protocols.
+	return 0;
+}
+
+
+
+int ieee80211_wx_get_rate(struct ieee80211_device *ieee,
+			     struct iw_request_info *info,
+			     union iwreq_data *wrqu, char *extra)
+{
+
+	wrqu->bitrate.value = ieee->rate * 100000;
+
+	return 0;
+}
+
+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;
+
+	down(&ieee->wx_sem);
+
+	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:
+	up(&ieee->wx_sem);
+	return 0;
+}
+
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
+void ieee80211_wx_sync_scan_wq(struct work_struct *work)
+{
+	struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wx_sync_scan_wq);
+#else
+void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
+{
+#endif
+//void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
+//{
+	short chan;
+
+	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);
+
+	ieee80211_start_scan_syncro(ieee);
+
+	ieee->set_chan(ieee->dev, chan);
+
+	ieee->state = IEEE80211_LINKED;
+	ieee->link_change(ieee->dev);
+
+	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);
+
+	//YJ,add,080828, In prevent of lossing ping packet during scanning
+	//ieee80211_sta_ps_send_null_frame(ieee, false);
+	//YJ,add,080828,end
+
+	up(&ieee->wx_sem);
+
+}
+
+int ieee80211_wx_set_scan(struct ieee80211_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;
+	}
+	//YJ,add,080828
+	//In prevent of lossing ping packet during scanning
+	//ieee80211_sta_ps_send_null_frame(ieee, true);
+	//YJ,add,080828,end
+
+	if ( ieee->state == IEEE80211_LINKED){
+		queue_work(ieee->wq, &ieee->wx_sync_scan_wq);
+		/* intentionally forget to up sem */
+		return 0;
+	}
+
+out:
+	up(&ieee->wx_sem);
+	return ret;
+}
+
+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;
+
+	down(&ieee->wx_sem);
+
+	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) {
+//YJ,modified,080819
+#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
+		memset(ieee->current_network.ssid, 0, ieee->current_network.ssid_len); //YJ,add,080819
+		strncpy(ieee->current_network.ssid, extra, len);
+		ieee->current_network.ssid_len = len;
+		ieee->ssid_set = 1;
+//YJ,modified,080819,end
+
+		//YJ,add,080819,for hidden ap
+		if(len == 0){
+			memset(ieee->current_network.bssid, 0, ETH_ALEN);
+			ieee->current_network.capability = 0;
+		}
+		//YJ,add,080819,for hidden ap,end
+	}
+	else{
+		ieee->ssid_set = 0;
+		ieee->current_network.ssid[0] = '\0';
+		ieee->current_network.ssid_len = 0;
+	}
+	//printk("==========set essid %s!\n",ieee->current_network.ssid);
+	spin_unlock_irqrestore(&ieee->lock, flags);
+
+	if (proto_started)
+		ieee80211_start_protocol(ieee);
+out:
+	up(&ieee->wx_sem);
+	return ret;
+}
+
+ 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;
+}
+
+ 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;
+
+	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 ieee80211_wx_get_name(struct ieee80211_device *ieee,
+			     struct iw_request_info *info,
+			     union iwreq_data *wrqu, char *extra)
+{
+	strcpy(wrqu->name, "802.11");
+	if(ieee->modulation & IEEE80211_CCK_MODULATION){
+		strcat(wrqu->name, "b");
+		if(ieee->modulation & IEEE80211_OFDM_MODULATION)
+			strcat(wrqu->name, "/g");
+	}else if(ieee->modulation & IEEE80211_OFDM_MODULATION)
+		strcat(wrqu->name, "g");
+
+	if((ieee->state == IEEE80211_LINKED) ||
+		(ieee->state == IEEE80211_LINKED_SCANNING))
+		strcat(wrqu->name," linked");
+	else if(ieee->state != IEEE80211_NOLINK)
+		strcat(wrqu->name," link..");
+
+
+	return 0;
+}
+
+
+/* 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;
+
+	if(
+		(!ieee->sta_wake_up) ||
+		(!ieee->ps_request_tx_ack) ||
+		(!ieee->enter_sleep_state) ||
+		(!ieee->ps_is_queue_empty)){
+
+		printk("ERROR. PS mode is tryied to be use but\
+driver missed a callback\n\n");
+
+		return -1;
+	}
+
+	down(&ieee->wx_sem);
+
+	if (wrqu->power.disabled){
+		ieee->ps = IEEE80211_PS_DISABLED;
+
+		goto exit;
+	}
+	switch (wrqu->power.flags & IW_POWER_MODE) {
+	case IW_POWER_UNICAST_R:
+		ieee->ps = IEEE80211_PS_UNICAST;
+
+		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;
+	}
+
+	if (wrqu->power.flags & IW_POWER_TIMEOUT) {
+
+		ieee->ps_timeout = wrqu->power.value / 1000;
+		printk("Timeout %d\n",ieee->ps_timeout);
+	}
+
+	if (wrqu->power.flags & IW_POWER_PERIOD) {
+
+		ret = -EOPNOTSUPP;
+		goto exit;
+		//wrq->value / 1024;
+
+	}
+exit:
+	up(&ieee->wx_sem);
+	return ret;
+
+}
+
+/* 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)
+{
+	int ret =0;
+
+	down(&ieee->wx_sem);
+
+	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->current_network.dtim_period *
+		//	ieee->current_network.beacon_interval * 1024;
+//	}
+
+
+	if (ieee->ps & IEEE80211_PS_MBCAST)
+		wrqu->power.flags |= IW_POWER_ALL_R;
+	else
+		wrqu->power.flags |= IW_POWER_UNICAST_R;
+
+exit:
+	up(&ieee->wx_sem);
+	return ret;
+
+}
+
+#if 0
+EXPORT_SYMBOL(ieee80211_wx_get_essid);
+EXPORT_SYMBOL(ieee80211_wx_set_essid);
+EXPORT_SYMBOL(ieee80211_wx_set_rate);
+EXPORT_SYMBOL(ieee80211_wx_get_rate);
+EXPORT_SYMBOL(ieee80211_wx_set_wap);
+EXPORT_SYMBOL(ieee80211_wx_get_wap);
+EXPORT_SYMBOL(ieee80211_wx_set_mode);
+EXPORT_SYMBOL(ieee80211_wx_get_mode);
+EXPORT_SYMBOL(ieee80211_wx_set_scan);
+EXPORT_SYMBOL(ieee80211_wx_get_freq);
+EXPORT_SYMBOL(ieee80211_wx_set_freq);
+EXPORT_SYMBOL(ieee80211_wx_set_rawtx);
+EXPORT_SYMBOL(ieee80211_wx_get_name);
+EXPORT_SYMBOL(ieee80211_wx_set_power);
+EXPORT_SYMBOL(ieee80211_wx_get_power);
+EXPORT_SYMBOL(ieee80211_wlan_frequencies);
+#endif