[PATCH RFC 06/13] net: Add xfrm offload callbacks to struct net_device

[Steffen Klassert]

This patch adds the callbacks we need for IPsec GSO
and maybe also for IPsec hardware offload.

Signed-off-by: Steffen Klassert <steffen.klass...@secunet.com>
---
 include/linux/netdevice.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 6fd1f1d..6936e96f 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -778,6 +778,12 @@ static inline bool netdev_phys_item_id_same(struct 
netdev_phys_item_id *a,
 
 typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
                                       struct sk_buff *skb);
+struct xfrmdev_ops {
+       int                     (*xdo_dev_encap) (struct sk_buff *skb);
+       int                     (*xdo_dev_prepare) (struct sk_buff *skb);
+       int                     (*xdo_dev_validate) (struct sk_buff *skb);
+       void                    (*xdo_dev_resume) (struct sk_buff *skb, int 
err);
+};
 
 /*
  * This structure defines the management hooks for network devices.
@@ -1625,6 +1631,9 @@ struct net_device {
 #ifdef CONFIG_NET_L3_MASTER_DEV
        const struct l3mdev_ops *l3mdev_ops;
 #endif
+#ifdef CONFIG_XFRM
+       const struct xfrmdev_ops *xfrmdev_ops;
+#endif
 
        const struct header_ops *header_ops;
 
-- 
1.9.1