$OpenBSD: patch-src_libnids_c,v 1.6 2010/04/09 09:48:18 jasper Exp $
--- src/libnids.c.orig	Mon Mar  1 22:13:25 2010
+++ src/libnids.c	Fri Apr  9 10:00:43 2010
@@ -14,7 +14,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include <syslog.h>
+#ifndef __OpenBSD__
 #include <alloca.h>
+#endif
 #include <pcap.h>
 #include <errno.h>
 #include <config.h>
@@ -32,6 +34,12 @@
 #include <glib.h>
 #endif
 
+#ifdef DLT_PFLOG
+#include <sys/socket.h>
+#include <net/if.h>
+#include <net/if_pflog.h>
+#endif
+
 #ifdef __linux__
 extern int set_all_promisc();
 #endif
@@ -619,22 +627,46 @@ int nids_init()
     case DLT_NULL:
         nids_linkoffset = 4;
         break;
-#endif        
+#endif
+#ifdef DLT_LOOP
+    case DLT_LOOP:
+        nids_linkoffset = 4;
+        break;
+#endif
     case DLT_EN10MB:
 	nids_linkoffset = 14;
 	break;
     case DLT_PPP:
 	nids_linkoffset = 4;
 	break;
+#ifdef DLT_PPP_ETHER
+    case DLT_PPP_ETHER:
+	nids_linkoffset = 8;
+	break;
+#endif
 	/* Token Ring Support by vacuum@technotronic.com, thanks dugsong! */
     case DLT_IEEE802:
 	nids_linkoffset = 22;
 	break;
-
     case DLT_RAW:
     case DLT_SLIP:
 	nids_linkoffset = 0;
 	break;
+#ifdef DLT_OLD_PFLOG
+    case DLT_OLD_PFLOG:
+	nids_linkoffset = 28;
+	break;
+#endif
+#ifdef DLT_PFLOG
+    case DLT_PFLOG:
+	nids_linkoffset = PFLOG_HDRLEN;
+	break;
+#endif
+#ifdef DLT_PFSYNC
+    case DLT_PFSYNC:
+	nids_linkoffset = 4;
+	break;
+#endif
 #define DLT_LINUX_SLL   113
     case DLT_LINUX_SLL:
 	nids_linkoffset = 16;