session tls: support tls descheduling

[vpp.git] / src / vnet / tls / tls.h

diff --git a/src/vnet/tls/tls.h b/src/vnet/tls/tls.h
index 0dfc48b..d950fe8 100644 (file)
--- a/src/vnet/tls/tls.h
+++ b/src/vnet/tls/tls.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Copyright (c) 2018-2019 Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
@@ -13,8 +13,9 @@
  * limitations under the License.
  */
 
-
 #include <vnet/session/application_interface.h>
+#include <vnet/session/application.h>
+#include <vnet/session/session.h>
 #include <vppinfra/lock.h>
 
 #ifndef SRC_VNET_TLS_TLS_H_
@@ -32,21 +33,27 @@
   if (_lvl <= TLS_DEBUG)                               \
     clib_warning (_fmt, ##_args)
 #else
-#define TLS_DBG(_fmt, _args...)
+#define TLS_DBG(_lvl, _fmt, _args...)
 #endif
 
 /* *INDENT-OFF* */
-typedef CLIB_PACKED (struct tls_cxt_id_
+typedef struct tls_cxt_id_
 {
-  u32 parent_app_index;
-  session_handle_t app_session_handle;
+  union {
+    session_handle_t app_session_handle;
+    u32 parent_app_api_ctx;
+  };
   session_handle_t tls_session_handle;
+  u32 parent_app_wrk_index;
+  u32 ssl_ctx;
   u32 listener_ctx_index;
   u8 tcp_is_ip4;
-}) tls_ctx_id_t;
+  u8 tls_engine_id;
+} tls_ctx_id_t;
 /* *INDENT-ON* */
 
-STATIC_ASSERT (sizeof (tls_ctx_id_t) <= 42, "ctx id must be less than 42");
+STATIC_ASSERT (sizeof (tls_ctx_id_t) <= TRANSPORT_CONN_ID_LEN,
+              "ctx id must be less than TRANSPORT_CONN_ID_LEN");
 
 typedef struct tls_ctx_
 {
@@ -55,18 +62,25 @@ typedef struct tls_ctx_
     transport_connection_t connection;
     tls_ctx_id_t c_tls_ctx_id;
   };
-#define parent_app_index c_tls_ctx_id.parent_app_index
+#define parent_app_wrk_index c_tls_ctx_id.parent_app_wrk_index
 #define app_session_handle c_tls_ctx_id.app_session_handle
 #define tls_session_handle c_tls_ctx_id.tls_session_handle
 #define listener_ctx_index c_tls_ctx_id.listener_ctx_index
 #define tcp_is_ip4 c_tls_ctx_id.tcp_is_ip4
-#define tls_ctx_idx c_c_index
+#define tls_ctx_engine c_tls_ctx_id.tls_engine_id
+#define tls_ssl_ctx c_tls_ctx_id.ssl_ctx
+#define tls_ctx_handle c_c_index
   /* Temporary storage for session open opaque. Overwritten once
    * underlying tcp connection is established */
-#define parent_app_api_context c_s_index
+#define parent_app_api_context c_tls_ctx_id.parent_app_api_ctx
 
   u8 is_passive_close;
+  u8 resume;
+  u8 app_closed;
+  u8 no_app_session;
   u8 *srv_hostname;
+  u32 evt_index;
+  u32 ckpair_index;
 } tls_ctx_t;
 
 typedef struct tls_main_
@@ -75,12 +89,16 @@ typedef struct tls_main_
   tls_ctx_t *listener_ctx_pool;
   tls_ctx_t *half_open_ctx_pool;
   clib_rwlock_t half_open_rwlock;
+  u8 **rx_bufs;
+  u8 **tx_bufs;
 
   /*
    * Config
    */
   u8 use_test_cert_in_ca;
   char *ca_cert_path;
+  u64 first_seg_size;
+  u32 fifo_size;
 } tls_main_t;
 
 typedef struct tls_engine_vft_
@@ -91,33 +109,29 @@ typedef struct tls_engine_vft_
   tls_ctx_t *(*ctx_get_w_thread) (u32 ctx_index, u8 thread_index);
   int (*ctx_init_client) (tls_ctx_t * ctx);
   int (*ctx_init_server) (tls_ctx_t * ctx);
-  int (*ctx_read) (tls_ctx_t * ctx, u8 * buf, u32 len);
-  int (*ctx_write) (tls_ctx_t * ctx, u8 * buf, u32 len);
-  int (*ctx_handshake_rx) (tls_ctx_t * ctx);
+  int (*ctx_read) (tls_ctx_t * ctx, session_t * tls_session);
+  int (*ctx_write) (tls_ctx_t * ctx, session_t * app_session,
+                   transport_send_params_t * sp);
     u8 (*ctx_handshake_is_over) (tls_ctx_t * ctx);
+  int (*ctx_start_listen) (tls_ctx_t * ctx);
+  int (*ctx_stop_listen) (tls_ctx_t * ctx);
+  int (*ctx_transport_close) (tls_ctx_t * ctx);
+  int (*ctx_app_close) (tls_ctx_t * ctx);
 } tls_engine_vft_t;
 
-enum tls_handshake_results_
-{
-  HANDSHAKE_NOT_OVER,
-  CLIENT_HANDSHAKE_OK,
-  CLIENT_HANDSHAKE_FAIL,
-  SERVER_HANDSHAKE_OK
-};
-
-typedef enum tls_engine_type_
-{
-  TLS_ENGINE_MBEDTLS,
-  TLS_ENGINE_OPENSSL,
-  TLS_N_ENGINES
-} tls_engine_type_t;
-
 tls_main_t *vnet_tls_get_main (void);
 void tls_register_engine (const tls_engine_vft_t * vft,
-                         tls_engine_type_t type);
-int tls_add_vpp_q_evt (svm_fifo_t * f, u8 evt_type);
-
+                         crypto_engine_type_t type);
+int tls_add_vpp_q_rx_evt (session_t * s);
+int tls_add_vpp_q_tx_evt (session_t * s);
+int tls_add_vpp_q_builtin_tx_evt (session_t * s);
+int tls_add_vpp_q_builtin_rx_evt (session_t * s);
+int tls_notify_app_accept (tls_ctx_t * ctx);
+int tls_notify_app_connected (tls_ctx_t * ctx, session_error_t err);
+void tls_notify_app_enqueue (tls_ctx_t * ctx, session_t * app_session);
+void tls_disconnect_transport (tls_ctx_t * ctx);
 #endif /* SRC_VNET_TLS_TLS_H_ */
+
 /*
  * fd.io coding-style-patch-verification: ON
  *