diff --git a/src/cw/format_dot11_fc.c b/src/cw/format_dot11_fc.c
new file mode 100644
index 00000000..4e6bf902
--- /dev/null
+++ b/src/cw/format_dot11_fc.c
@@ -0,0 +1,41 @@
+#include "dot11.h"
+#include "format.h"
+
+
+static inline int  add_flag(char *dst,int fc, int flag, char *name,char **delim)
+{
+	if (! (fc&flag) )
+		return 0;
+	int n = sprintf(dst,"%s%s",*delim,name);
+	*delim=":";
+	return n;
+}
+
+int format_dot11_fc(char *dst, uint16_t fc)
+{
+	char *d = dst;
+
+	d+=sprintf(d,"Ver: %d ",dot11_fc_get_version(fc));
+	d+=sprintf(d,"Type: %d ",dot11_fc_get_type(fc));
+	d+=sprintf(d,"Subtype: %d ",dot11_fc_get_subtype(fc));
+	d+=sprintf(d,"Flags: [");
+
+	char *delim = "";
+
+	d+=add_flag(d,fc,DOT11_FC_FLAG_FROM_DS,"from_ds",&delim);
+	d+=add_flag(d,fc,DOT11_FC_FLAG_TO_DS,"to_ds",&delim);
+	d+=add_flag(d,fc,DOT11_FC_FLAG_MOREFRAGS,"more_frags",&delim);
+	d+=add_flag(d,fc,DOT11_FC_FLAG_RETRY,"retry",&delim);
+	d+=add_flag(d,fc,DOT11_FC_FLAG_POWERMGMT,"pwrmgmt",&delim);
+	d+=add_flag(d,fc,DOT11_FC_FLAG_MOREDATA,"more data",&delim);
+	d+=add_flag(d,fc,DOT11_FC_FLAG_PROTECTED,"protected",&delim);
+	d+=add_flag(d,fc,DOT11_FC_FLAG_ORDER,"order",&delim);
+
+	d+=sprintf(d,"]");
+	return d-dst;
+
+}
+
+
+
+