print extended capabilities

diff --git a/scan.c b/scan.c
index 14e92cca19fc9788446f3ccd808869894fa0624c..8eb6477abed4f8f63efbc8e5aeb32293b65a1111 100644 (file)
--- a/scan.c
+++ b/scan.c
@@ -432,10 +432,51 @@ static void print_rsn(const uint8_t type, uint8_t len, const uint8_t *data)
 
 static void print_capabilities(const uint8_t type, uint8_t len, const uint8_t *data)
 {
-       int i;
+       int i, base, bit;
+       bool first = true;
+
+
+       for (i = 0; i < len; i++) {
+               base = i * 8;
+
+               for (bit = 0; bit < 8; bit++) {
+                       if (!(data[i] & (1 << bit)))
+                               continue;
+
+                       if (!first)
+                               printf(",");
+                       else
+                               first = false;
+
+                       switch (bit + base) {
+                       case 0:
+                               printf(" HT Information Exchange Supported");
+                               break;
+                       case 1:
+                               printf(" On-demand Beacon");
+                               break;
+                       case 2:
+                               printf(" Extended Channel Switching");
+                               break;
+                       case 3:
+                               printf(" Wave Indication");
+                               break;
+                       case 4:
+                               printf(" PSMP Capability");
+                               break;
+                       case 5:
+                               printf(" Service Interval Granularity");
+                               break;
+                       case 6:
+                               printf(" S-PSMP Capability");
+                               break;
+                       default:
+                               printf(" %d", bit);
+                               break;
+                       }
+               }
+       }
 
-       for(i = 0; i < len; i++)
-               printf(" %.02x", data[i]);
        printf("\n");
 }