uml: UML net driver does not allow for vlans

See ancient discussion at
http://marc.info/?l=user-mode-linux-devel&m=101990155831279&w=2

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=7854

Signed-off-by: Alan Cox <[email protected]>
Reported-by: Paolo 'Blaisorblade' Giarrusso <[email protected]>
Cc: Jeff Dike <[email protected]>
Cc: Roland Kletzing <[email protected]>
Cc: "David S. Miller" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/arch/um/include/shared/net_user.h b/arch/um/include/shared/net_user.h
index 63bee158cd8efbe2639f5a293c741ca5af1623ef..3dabbe128e40b0186538f9b4389a1311f2b738f2 100644 (file)
--- a/arch/um/include/shared/net_user.h
+++ b/arch/um/include/shared/net_user.h
@@ -8,7 +8,7 @@
 
 #define ETH_ADDR_LEN (6)
 #define ETH_HEADER_ETHERTAP (16)
-#define ETH_HEADER_OTHER (14)
+#define ETH_HEADER_OTHER (26) /* 14 for ethernet + VLAN + MPLS for crazy people */
 #define ETH_MAX_PACKET (1500)
 
 #define UML_NET_VERSION (4)