iwinfo: expose txpower and frequency offset information

[openwrt/staging/yousong.git] / package / iwinfo / src / iwinfo_cli.c

diff --git a/package/iwinfo/src/iwinfo_cli.c b/package/iwinfo/src/iwinfo_cli.c
index bfa1d88ef90b48752cf7c858f14bcfe0bd8da73f..d5be084bdb422ca5f23c33ab5176b033a8d56c04 100644 (file)
--- a/package/iwinfo/src/iwinfo_cli.c
+++ b/package/iwinfo/src/iwinfo_cli.c
@@ -311,6 +311,36 @@ static char * print_hardware_name(const struct iwinfo_ops *iw, const char *ifnam
        return buf;
 }
 
+static char * print_txpower_offset(const struct iwinfo_ops *iw, const char *ifname)
+{
+       int off;
+       static char buf[12];
+
+       if (iw->txpower_offset(ifname, &off))
+               snprintf(buf, sizeof(buf), "unknown");
+       else if (off != 0)
+               snprintf(buf, sizeof(buf), "%d dB", off);
+       else
+               snprintf(buf, sizeof(buf), "none");
+
+       return buf;
+}
+
+static char * print_frequency_offset(const struct iwinfo_ops *iw, const char *ifname)
+{
+       int off;
+       static char buf[12];
+
+       if (iw->frequency_offset(ifname, &off))
+               snprintf(buf, sizeof(buf), "unknown");
+       else if (off != 0)
+               snprintf(buf, sizeof(buf), "%.3f GHz", ((float)off / 1000.0));
+       else
+               snprintf(buf, sizeof(buf), "none");
+
+       return buf;
+}
+
 static char * print_ssid(const struct iwinfo_ops *iw, const char *ifname)
 {
        char buf[IWINFO_ESSID_MAX_SIZE+1] = { 0 };
@@ -473,6 +503,10 @@ static void print_info(const struct iwinfo_ops *iw, const char *ifname)
        printf("          Hardware: %s [%s]\n",
                print_hardware_id(iw, ifname),
                print_hardware_name(iw, ifname));
+       printf("          TX power offset: %s\n",
+               print_txpower_offset(iw, ifname));
+       printf("          Frequency offset: %s\n",
+               print_frequency_offset(iw, ifname));
        printf("          Supports VAPs: %s\n",
                print_mbssid_supp(iw, ifname));
 }