netdev - [PATCH net-next 2/3] net: add MACsec netdevice priv

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Message-Id: <a94ba689f1002f524c8bbfc15abe6605b251ccc4.1456937772.git.sd@queasysnail.net>
Date:	Mon,  7 Mar 2016 18:12:39 +0100
From:	Sabrina Dubroca <sd@...asysnail.net>
To:	netdev@...r.kernel.org
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Florian Westphal <fw@...len.de>,
	Paolo Abeni <pabeni@...hat.com>, stephen@...workplumber.org,
	Sabrina Dubroca <sd@...asysnail.net>
Subject: [PATCH net-next 2/3] net: add MACsec netdevice priv_flags and helper

Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
Reviewed-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
---
v1: rebase
RFCv2: 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 efe7cec111fa..1ac109cabafc 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1325,6 +1325,7 @@ struct net_device_ops {
  * @IFF_RXFH_CONFIGURED: device has had Rx Flow indirection table configured
  * @IFF_PHONY_HEADROOM: the headroom value is controlled by an external
  *	entity (i.e. the master device for bridged veth)
+ * @IFF_MACSEC: device is a MACsec device
  */
 enum netdev_priv_flags {
 	IFF_802_1Q_VLAN			= 1<<0,
@@ -1354,6 +1355,7 @@ enum netdev_priv_flags {
 	IFF_TEAM			= 1<<24,
 	IFF_RXFH_CONFIGURED		= 1<<25,
 	IFF_PHONY_HEADROOM		= 1<<26,
+	IFF_MACSEC			= 1<<27,
 };
 
 #define IFF_802_1Q_VLAN			IFF_802_1Q_VLAN
@@ -1382,6 +1384,7 @@ enum netdev_priv_flags {
 #define IFF_L3MDEV_SLAVE		IFF_L3MDEV_SLAVE
 #define IFF_TEAM			IFF_TEAM
 #define IFF_RXFH_CONFIGURED		IFF_RXFH_CONFIGURED
+#define IFF_MACSEC			IFF_MACSEC
 
 /**
  *	struct net_device - The DEVICE structure.
@@ -4025,6 +4028,11 @@ 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;
-- 
2.7.2