X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=libs%2Fiwinfo%2Fsrc%2Fiwinfo_wext.c;h=387cb13b4466367ab32338900f1679b42fa91bf0;hb=e66ab6bd2ca3bf51f6951e9b293b7742cd1a86a1;hp=7f44fd0d23b073cf48d07b25dd0d4b0a219edef0;hpb=87460e8a05faef9c4bb2c68735eef4f5c5ac15d0;p=project%2Fluci.git

diff --git a/libs/iwinfo/src/iwinfo_wext.c b/libs/iwinfo/src/iwinfo_wext.c
index 7f44fd0d2..387cb13b4 100644
--- a/libs/iwinfo/src/iwinfo_wext.c
+++ b/libs/iwinfo/src/iwinfo_wext.c
@@ -22,6 +22,8 @@
 #include "iwinfo.h"
 #include "iwinfo_wext.h"
 
+#define LOG10_MAGIC	1.25892541179
+
 static int ioctl_socket = -1;
 
 static double wext_freq2float(const struct iw_freq *in)
@@ -32,6 +34,57 @@ static double wext_freq2float(const struct iw_freq *in)
 	return res;
 }
 
+static int wext_freq2mhz(const struct iw_freq *in)
+{
+	int i, mhz;
+
+	if( in->e == 6 )
+	{
+		return in->m;
+	}
+	else
+	{
+		mhz = in->m;
+		for(i = 0; i < in->e; i++)
+			mhz *= 10;
+
+		return (int)(mhz / 100000);
+	}
+}
+
+static int wext_dbm2mw(int in)
+{
+	double res = 1.0;
+	int ip = in / 10;
+	int fp = in % 10;
+	int k;
+
+	for(k = 0; k < ip; k++) res *= 10;
+	for(k = 0; k < fp; k++) res *= LOG10_MAGIC;
+
+	return (int)res;
+}
+
+static int wext_mw2dbm(int in)
+{
+	double fin = (double) in;
+	int res = 0;
+
+	while(fin > 10.0)
+	{
+		res += 10;
+		fin /= 10.0;
+	}
+
+	while(fin > 1.000001)
+	{
+		res += 1;
+		fin /= LOG10_MAGIC;
+	}
+
+	return res;
+}
+
 static int wext_ioctl(const char *ifname, int cmd, struct iwreq *wrq)
 {
 	/* prepare socket */
@@ -136,7 +189,7 @@ int wext_get_bitrate(const char *ifname, int *buf)
 
 	if(wext_ioctl(ifname, SIOCGIWRATE, &wrq) >= 0)
 	{
-		*buf = wrq.u.bitrate.value;
+		*buf = (wrq.u.bitrate.value / 1000);
 		return 0;
 	}
 
@@ -146,12 +199,74 @@ int wext_get_bitrate(const char *ifname, int *buf)
 int wext_get_channel(const char *ifname, int *buf)
 {
 	struct iwreq wrq;
+	struct iw_range range;
+	double freq;
+	int i;
 
 	if(wext_ioctl(ifname, SIOCGIWFREQ, &wrq) >= 0)
 	{
-		/* FIXME: iwlib has some strange workarounds here, maybe we need them as well... */
-		*buf = (int) wext_freq2float(&wrq.u.freq);
-		return 0;
+		if( wrq.u.freq.m >= 1000 )
+		{
+			freq = wext_freq2float(&wrq.u.freq);
+			wrq.u.data.pointer = (caddr_t) &range;
+			wrq.u.data.length  = sizeof(struct iw_range);
+			wrq.u.data.flags   = 0;
+
+			if(wext_ioctl(ifname, SIOCGIWRANGE, &wrq) >= 0)
+			{
+				for(i = 0; i < range.num_frequency; i++)
+				{
+					if( wext_freq2float(&range.freq[i]) == freq )
+					{
+						*buf = range.freq[i].i;
+						return 0;
+					}
+				}
+			}
+		}
+		else
+		{
+			*buf = wrq.u.freq.m;
+			return 0;
+		}
+	}
+
+	return -1;	
+}
+
+int wext_get_frequency(const char *ifname, int *buf)
+{
+	struct iwreq wrq;
+	struct iw_range range;
+	int i, channel;
+
+	if(wext_ioctl(ifname, SIOCGIWFREQ, &wrq) >= 0)
+	{
+		/* We got a channel number instead ... */
+		if( wrq.u.freq.m < 1000 )
+		{
+			channel = wrq.u.freq.m;
+			wrq.u.data.pointer = (caddr_t) &range;
+			wrq.u.data.length  = sizeof(struct iw_range);
+			wrq.u.data.flags   = 0;
+
+			if(wext_ioctl(ifname, SIOCGIWRANGE, &wrq) >= 0)
+			{
+				for(i = 0; i < range.num_frequency; i++)
+				{
+					if( range.freq[i].i == channel )
+					{
+						*buf = wext_freq2mhz(&range.freq[i]);
+						return 0;
+					}
+				}
+			}
+		}
+		else
+		{
+			*buf = wext_freq2mhz(&wrq.u.freq);
+			return 0;
+		}
 	}
 
 	return -1;	
@@ -241,3 +356,47 @@ int wext_get_assoclist(const char *ifname, char *buf, int *len)
 	return -1;
 }
 
+int wext_get_txpwrlist(const char *ifname, char *buf, int *len)
+{
+	struct iwreq wrq;
+	struct iw_range range;
+	struct iwinfo_txpwrlist_entry entry;
+	int i;
+
+	wrq.u.data.pointer = (caddr_t) &range;
+	wrq.u.data.length  = sizeof(struct iw_range);
+	wrq.u.data.flags   = 0;
+
+	if( (wext_ioctl(ifname, SIOCGIWRANGE, &wrq) >= 0) &&
+	    (range.num_txpower > 0) && (range.num_txpower <= IW_MAX_TXPOWER) &&
+	    !(range.txpower_capa & IW_TXPOW_RELATIVE)
+	) {
+		for( i = 0; i < range.num_txpower; i++ )
+		{
+			if( range.txpower_capa & IW_TXPOW_MWATT )
+			{
+				entry.dbm = wext_mw2dbm(range.txpower[i]);
+				entry.mw  = range.txpower[i];
+			}
+			else
+			{
+				entry.dbm = range.txpower[i];
+				entry.mw  = wext_dbm2mw(range.txpower[i]);
+			}
+
+			memcpy(&buf[i*sizeof(entry)], &entry, sizeof(entry));
+		}
+
+		*len = i * sizeof(entry);
+		return 0;
+	}
+
+	return -1;	
+}
+
+int wext_get_mbssid_support(const char *ifname, int *buf)
+{
+	/* No multi bssid support atm */
+	return -1;
+}
+