[PATCH V5 net-next 04/14] net: Add TLS offload netdev ops

[Saeed Mahameed]

From: Ilya Lesokhin <il...@mellanox.com>

Add new netdev ops to add and delete tls context

Signed-off-by: Ilya Lesokhin <il...@mellanox.com>
Signed-off-by: Boris Pismenny <bor...@mellanox.com>
Signed-off-by: Aviad Yehezkel <avia...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 include/linux/netdevice.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 2a2d9cf50aa2..2b01e5577be3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -864,6 +864,26 @@ struct xfrmdev_ops {
 };
 #endif
 
+#if IS_ENABLED(CONFIG_TLS_DEVICE)
+enum tls_offload_ctx_dir {
+       TLS_OFFLOAD_CTX_DIR_RX,
+       TLS_OFFLOAD_CTX_DIR_TX,
+};
+
+struct tls_crypto_info;
+struct tls_context;
+
+struct tlsdev_ops {
+       int (*tls_dev_add)(struct net_device *netdev, struct sock *sk,
+                          enum tls_offload_ctx_dir direction,
+                          struct tls_crypto_info *crypto_info,
+                          u32 start_offload_tcp_sn);
+       void (*tls_dev_del)(struct net_device *netdev,
+                           struct tls_context *ctx,
+                           enum tls_offload_ctx_dir direction);
+};
+#endif
+
 struct dev_ifalias {
        struct rcu_head rcuhead;
        char ifalias[];
@@ -1748,6 +1768,10 @@ struct net_device {
        const struct xfrmdev_ops *xfrmdev_ops;
 #endif
 
+#if IS_ENABLED(CONFIG_TLS_DEVICE)
+       const struct tlsdev_ops *tlsdev_ops;
+#endif
+
        const struct header_ops *header_ops;
 
        unsigned int            flags;
-- 
2.14.3