Implement is_vlan_dev() and vlan_dev_vlan_id() for the LinuxKPI.

MFC after:	1 week
Sponsored by:	Mellanox Technologies

1 files changed, 18 insertions, 1 deletions

diff --git a/sys/compat/linuxkpi/common/include/linux/if_vlan.h b/sys/compat/linuxkpi/common/include/linux/if_vlan.h
index cd65183..59b1c7e 100644
--- a/sys/compat/linuxkpi/common/include/linux/if_vlan.h
+++ b/sys/compat/linuxkpi/common/include/linux/if_vlan.h
@@ -2,7 +2,7 @@
  * Copyright (c) 2010 Isilon Systems, Inc.
  * Copyright (c) 2010 iX Systems, Inc.
  * Copyright (c) 2010 Panasas, Inc.
- * Copyright (c) 2013 Mellanox Technologies, Ltd.
+ * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,8 +35,25 @@
 #include <sys/socket.h>
 #include <net/if.h>
 #include <net/ethernet.h>
+#include <net/if_var.h>
 #include <net/if_vlan_var.h>
+#include <net/if_types.h>
 
 #define VLAN_N_VID              4096
 
+static inline int
+is_vlan_dev(struct ifnet *ifp)
+{
+	return (ifp->if_type == IFT_L2VLAN);
+}
+
+static inline uint16_t
+vlan_dev_vlan_id(struct ifnet *ifp)
+{
+	uint16_t vtag;
+	if (VLAN_TAG(ifp, &vtag) == 0)
+		return (vtag);
+	return (0);
+}
+
 #endif	/* _LINUX_IF_VLAN_H_ */