net: add missing includes and forward declarations under net/

This patch adds missing includes to headers under include/net.
All these problems are currently masked by the existing users
including the missing dependency before the broken header.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/net/dcbnl.h b/include/net/dcbnl.h
index e4ad58c4062c..2b2d86fb3131 100644
--- a/include/net/dcbnl.h
+++ b/include/net/dcbnl.h
@@ -10,6 +10,8 @@
 
 #include <linux/dcbnl.h>
 
+struct net_device;
+
 struct dcb_app_type {
 	int	ifindex;
 	struct dcb_app	  app;