From 5c16270365fa77303bb8afa4db4820f3ee697f51 Mon Sep 17 00:00:00 2001
From: Maxim Sobolev <sobomax@FreeBSD.org>
Date: Sun, 6 Mar 2005 23:03:58 +0000
Subject: [PATCH] When neither of supported frame type is enabled via kernel
 options enable them all, otherwise the driver will be useless and will only
 confuse user as manual page says nothing about the need to enable one of
 those frame types explicitly in the kernel config.

PR:		kern/47152
Submitted by:	Andriy Gapon <avg@icyb.net.ua>
MFC after:	3 days
---
 sys/net/if_ef.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sys/net/if_ef.c b/sys/net/if_ef.c
index c8ae300535f..fa8ac6e3acc 100644
--- a/sys/net/if_ef.c
+++ b/sys/net/if_ef.c
@@ -61,6 +61,15 @@
 #include <netipx/ipx_if.h>
 #endif
 
+/* If none of the supported layers is enabled explicitly enable them all */
+#if !defined(ETHER_II) && !defined(ETHER_8023) && !defined(ETHER_8022) && \
+    !defined(ETHER_SNAP)
+#define	ETHER_II	1
+#define	ETHER_8023	1
+#define	ETHER_8022	1
+#define	ETHER_SNAP	1
+#endif
+
 /* internal frame types */
 #define ETHER_FT_EII		0	/* Ethernet_II - default */
 #define	ETHER_FT_8023		1	/* 802.3 (Novell) */