* This code is based on the wlc.c utility published by OpenWrt.org .
*/
+#include <sys/types.h>
+#include <sys/stat.h>
+
#include "iwinfo.h"
#include "api/broadcom.h"
return wl_ioctl(ifname, WLC_GET_CHANNEL, buf, sizeof(buf));
}
+static int wl_get_center_chan1(const char *ifname, int *buf)
+{
+ /* Not Supported */
+ return -1;
+}
+
+static int wl_get_center_chan2(const char *ifname, int *buf)
+{
+ /* Not Supported */
+ return -1;
+}
+
static int wl_get_frequency(const char *ifname, int *buf)
{
return wext_ops.frequency(ifname, buf);
{
FILE *p;
char off[8];
+ struct stat s;
*buf = 0;
- if ((p = popen("/usr/sbin/nvram get opo", "r")) != NULL)
+ if (!stat("/usr/sbin/nvram", &s) && (s.st_mode & S_IXUSR))
{
- if (fread(off, 1, sizeof(off), p))
- *buf = strtoul(off, NULL, 16);
+ if ((p = popen("/usr/sbin/nvram get opo", "r")) != NULL)
+ {
+ if (fread(off, 1, sizeof(off), p))
+ *buf = strtoul(off, NULL, 16);
- pclose(p);
+ pclose(p);
+ }
}
return 0;
.name = "wl",
.probe = wl_probe,
.channel = wl_get_channel,
+ .center_chan1 = wl_get_center_chan1,
+ .center_chan2 = wl_get_center_chan2,
.frequency = wl_get_frequency,
.frequency_offset = wl_get_frequency_offset,
.txpower = wl_get_txpower,