improve signal level/quality display

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2426 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/openwrt/target/linux/package/wlcompat/wlcompat.c b/openwrt/target/linux/package/wlcompat/wlcompat.c
index 3baeb43..d86a9bd 100644 (file)
--- a/openwrt/target/linux/package/wlcompat/wlcompat.c
+++ b/openwrt/target/linux/package/wlcompat/wlcompat.c
@@ -139,6 +139,7 @@ static int wlcompat_ioctl_getiwrange(struct net_device *dev,
        struct iw_range *range;
 
        range = (struct iw_range *) extra;
+       bzero(extra, sizeof(struct iw_range));
 
        range->we_version_compiled = WIRELESS_EXT;
        range->we_version_source = WIRELESS_EXT;
@@ -169,8 +170,8 @@ static int wlcompat_ioctl_getiwrange(struct net_device *dev,
        range->max_pmt = 65535 * 1000;
 
        range->max_qual.qual = 0;
-       range->max_qual.level = 100;
-       range->max_qual.noise = 100;
+       range->max_qual.level = 0;
+       range->max_qual.noise = 0;
        
        range->min_rts = 0;
        if (wl_ioctl(dev, WLC_GET_RTS, &range->max_rts, sizeof(int)) < 0)
@@ -225,7 +226,7 @@ struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
 {
        wl_bss_info_t *bss_info = (wl_bss_info_t *) buf;
        get_pktcnt_t pkt;
-       int rssi, noise, ap;
+       unsigned int rssi, noise, ap;
        
        memset(&wstats, 0, sizeof(wstats));
        memset(&pkt, 0, sizeof(pkt));
@@ -234,15 +235,24 @@ struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
        wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
        wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
 
-       wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap));
-       if (!ap) {
+       rssi = 0;
+       if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) {
+               if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
+                       noise = 0;
+       } else {
                // somehow the structure doesn't fit here
                rssi = buf[82];
                noise = buf[84];
-       } else {
-               noise = 0;
-               rssi = 0;
        }
+       rssi = (rssi == 0 ? 1 : rssi);
+       wstats.qual.updated = 0x10;
+       if (rssi <= 1) 
+               wstats.qual.updated |= 0x20;
+       if (noise <= 1)
+               wstats.qual.updated |= 0x40;
+
+       if ((wstats.qual.updated & 0x60) == 0x60)
+               return NULL;
 
        wstats.qual.level = rssi;
        wstats.qual.noise = noise;
@@ -740,10 +750,10 @@ static const iw_handler    wlcompat_handler[] = {
 #define WLCOMPAT_GET_MONITOR           SIOCIWFIRSTPRIV + 1
 #define WLCOMPAT_SET_TXPWR_LIMIT       SIOCIWFIRSTPRIV + 2
 #define WLCOMPAT_GET_TXPWR_LIMIT       SIOCIWFIRSTPRIV + 3
-#define WLCOMPAT_SET_ANTDIV            SIOCIWFIRSTPRIV + 4
-#define WLCOMPAT_GET_ANTDIV            SIOCIWFIRSTPRIV + 5
-#define WLCOMPAT_SET_TXANT             SIOCIWFIRSTPRIV + 6
-#define WLCOMPAT_GET_TXANT             SIOCIWFIRSTPRIV + 7
+#define WLCOMPAT_SET_ANTDIV                    SIOCIWFIRSTPRIV + 4
+#define WLCOMPAT_GET_ANTDIV                    SIOCIWFIRSTPRIV + 5
+#define WLCOMPAT_SET_TXANT                     SIOCIWFIRSTPRIV + 6
+#define WLCOMPAT_GET_TXANT                     SIOCIWFIRSTPRIV + 7
 #define WLCOMPAT_SET_BSS_FORCE         SIOCIWFIRSTPRIV + 8
 #define WLCOMPAT_GET_BSS_FORCE         SIOCIWFIRSTPRIV + 9