[RFCv2 PATCH net-next 2/3] net: add MACsec netdevice priv_flags and helper

[Sabrina Dubroca]

Signed-off-by: Sabrina Dubroca <s...@queasysnail.net>
Reviewed-by: Hannes Frederic Sowa <han...@stressinduktion.org>
---
v2: add kerneldoc comment, detected by kbuild robot

 include/linux/netdevice.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 289c2314d766..440892f1a1d1 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1291,6 +1291,7 @@ struct net_device_ops {
  * @IFF_OPENVSWITCH: device is a Open vSwitch master
  * @IFF_L3MDEV_SLAVE: device is enslaved to an L3 master device
  * @IFF_TEAM: device is a team device
+ * @IFF_MACSEC: device is a MACsec device
  */
 enum netdev_priv_flags {
        IFF_802_1Q_VLAN                 = 1<<0,
@@ -1318,6 +1319,7 @@ enum netdev_priv_flags {
        IFF_OPENVSWITCH                 = 1<<22,
        IFF_L3MDEV_SLAVE                = 1<<23,
        IFF_TEAM                        = 1<<24,
+       IFF_MACSEC                      = 1<<25,
 };
 
 #define IFF_802_1Q_VLAN                        IFF_802_1Q_VLAN
@@ -1345,6 +1347,7 @@ enum netdev_priv_flags {
 #define IFF_OPENVSWITCH                        IFF_OPENVSWITCH
 #define IFF_L3MDEV_SLAVE               IFF_L3MDEV_SLAVE
 #define IFF_TEAM                       IFF_TEAM
+#define IFF_MACSEC                     IFF_MACSEC
 
 /**
  *     struct net_device - The DEVICE structure.
@@ -3965,6 +3968,11 @@ static inline void skb_gso_error_unwind(struct sk_buff 
*skb, __be16 protocol,
        skb->mac_len = mac_len;
 }
 
+static inline bool netif_is_macsec(const struct net_device *dev)
+{
+       return dev->priv_flags & IFF_MACSEC;
+}
+
 static inline bool netif_is_macvlan(const struct net_device *dev)
 {
        return dev->priv_flags & IFF_MACVLAN;
-- 
2.7.0