--- embedaddon/libnet/src/libnet_link_bpf.c	2013/07/22 11:54:42	1.1.1.2
+++ embedaddon/libnet/src/libnet_link_bpf.c	2016/10/18 13:11:47	1.1.1.2.2.1
@@ -1,5 +1,5 @@
 /*
- *  $Id: libnet_link_bpf.c,v 1.1.1.2 2013/07/22 11:54:42 misho Exp $
+ *  $Id: libnet_link_bpf.c,v 1.1.1.2.2.1 2016/10/18 13:11:47 misho Exp $
  *
  *  libnet
  *  libnet_link_bpf.c - low-level bpf routines
@@ -316,7 +316,11 @@ libnet_get_hwaddr(libnet_t *l)
         if (ifm->ifm_type == RTM_IFINFO)
         {
             sdl = (struct sockaddr_dl *)(ifm + 1);
-            if (sdl->sdl_type != IFT_ETHER)
+            if (sdl->sdl_type != IFT_ETHER
+                && sdl->sdl_type != IFT_FASTETHER
+                && sdl->sdl_type != IFT_FASTETHERFX
+                && sdl->sdl_type != IFT_GIGABITETHERNET
+                && sdl->sdl_type != IFT_L2VLAN)
                 continue;
             if (strncmp(&sdl->sdl_data[0], l->device, sdl->sdl_nlen) == 0)
             {
@@ -326,6 +330,12 @@ libnet_get_hwaddr(libnet_t *l)
         }
     }
     free(buf);
+    if (next == end) {
+        snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
+                 "%s(): interface %s of known type not found.",
+                 __func__, l->device);
+        return NULL;
+    }
     return (&ea);
 }