Bug 895793: added interface type and link speed detection for Windows. r=bwc

--HG--
extra : rebase_source : 98293e939ff2f2c0c670c377d194fd93371f6c9b

media/mtransport/third_party/nICEr/src/stun/addrs.c

@@ -217,9 +217,20 @@ stun_get_win32_addrs(nr_local_addr addrs[], int maxaddrs, int *count)
           }
 
           strlcpy(addrs[n].addr.ifname, hex_hashed_ifname, sizeof(addrs[n].addr.ifname));
-          /* TODO: (Bug 895793) Getting interface properties for Windows */
-          addrs[n].interface.type = NR_INTERFACE_TYPE_UNKNOWN;
+          if (tmpAddress->IfType == IF_TYPE_ETHERNET_CSMACD) {
+            addrs[n].interface.type = NR_INTERFACE_TYPE_WIRED;
+          } else if (tmpAddress->IfType == IF_TYPE_IEEE80211) {
+            /* Note: this only works for >= Win Vista */
+            addrs[n].interface.type = NR_INTERFACE_TYPE_WIFI;
+          } else {
+            addrs[n].interface.type = NR_INTERFACE_TYPE_UNKNOWN;
+          }
+#if (_WIN32_WINNT >= 0x0600)
+          /* Note: only >= Vista provide link speed information */
+          addrs[n].interface.estimated_speed = tmpAddress->TransmitLinkSpeed / 1000;
+#else
           addrs[n].interface.estimated_speed = 0;
+#endif
           if (++n >= maxaddrs)
             goto done;
         }