fix noise/signal level display (fixes #20)

[openwrt.git] / target / linux / package / wlcompat / wlcompat.c

diff --git a/target/linux/package/wlcompat/wlcompat.c b/target/linux/package/wlcompat/wlcompat.c
index 07e8db0..3baeb43 100644 (file)
--- a/target/linux/package/wlcompat/wlcompat.c
+++ b/target/linux/package/wlcompat/wlcompat.c
@@ -225,7 +225,7 @@ 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;
+       int rssi, noise, ap;
        
        memset(&wstats, 0, sizeof(wstats));
        memset(&pkt, 0, sizeof(pkt));
@@ -234,12 +234,18 @@ 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));
 
-       // somehow the structure doesn't fit here
-       noise = buf[0x50];
-       rssi = buf[0x52];
+       wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap));
+       if (!ap) {
+               // somehow the structure doesn't fit here
+               rssi = buf[82];
+               noise = buf[84];
+       } else {
+               noise = 0;
+               rssi = 0;
+       }
 
        wstats.qual.level = rssi;
-       wstats.qual.noise = -100 + noise;
+       wstats.qual.noise = noise;
        wstats.discard.misc = pkt.rx_bad_pkt;
        wstats.discard.retries = pkt.tx_bad_pkt;