tls: Add function to update the TLS socket configuration

The tx configuration is now stored in ctx->tx_conf.
And sk->sk_prot is updated trough a function
This will simplify things when we add rx
and support for different possible
tx and rx cross configurations.

Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/tls.h

@@ -83,6 +83,8 @@ struct tls_context {
 
 	void *priv_ctx;
 
+	u8 tx_conf:2;
+
 	u16 prepend_size;
 	u16 tag_size;
 	u16 overhead_size;