Define macros to set/clear/test bits for feature set usage. This will eliminate
the direct use of these fields and enable future ease in managing these fields.

Signed-off-by: Mahesh Bandewar <redacted>
---
 include/linux/netdev_features.h |  137 +++++++++++++++++++++++++++++++++++++++
 include/linux/netdevice.h       |   35 ++---------
 2 files changed, 142 insertions(+), 30 deletions(-)
 create mode 100644 include/linux/netdev_features.h

diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
new file mode 100644
index 0000000..97bf8c4
--- /dev/null
+++ b/include/linux/netdev_features.h

@@ -0,0 +1,137 @@
+#ifndef	_NETDEV_FEATURES_H
+#define	_NETDEV_FEATURES_H
+
+/* Forward declarations */
+struct net_device;
+
+typedef	unsigned long *nd_feature_t