Changeset 9454

Timestamp:

04/29/08 17:30:26 (5 years ago)

Author:

BrainSlayer

Message:

add frequency get function

Location:

src/router/shared

Files:

• wl.c (modified) (1 diff)
• wlutils.h (modified) (1 diff)

src/router/shared/wl.c

@@ -331 +331 @@
 int
 wifi_getchannel (char *ifname)
+{
+  struct iwreq wrq;
+  float freq;
+  int channel;
+  strncpy (wrq.ifr_name, ifname, IFNAMSIZ);
+  ioctl (getsocket (), SIOCGIWFREQ, &wrq);
+
+  int i;
+  freq = (float) wrq.u.freq.m;
+  for (i = 0; i < wrq.u.freq.e; i++)
+    freq *= 10;
+  freq /= 1000000;
+  cprintf ("wifi channel %f\n", freq);
+  channel = ieee80211_mhz2ieee (freq);
+
+  return channel;
+}
+
+int
+wifi_getfreq (char *ifname)
 {
   struct iwreq wrq;

src/router/shared/wlutils.h

@@ -78 +78 @@
 u_int ieee80211_mhz2ieee(u_int freq);
 
+int wifi_getchannel (char *ifname);
+int wifi_getfreq (char *ifname);
+
 #endif
 /*