X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ftls%2Ftls.c;h=34de539b29513b8f59c73996af730758858844cf;hb=d8e94ba8231138e86f31c745c82a0adf54531164;hp=a34d0db6c88d1fa4470aa1883233ec51a5dbbd9b;hpb=2179513b71963a0b42ca6f1f2b641e79ce89447b;p=vpp.git

diff --git a/src/vnet/tls/tls.c b/src/vnet/tls/tls.c
index a34d0db6c88..34de539b295 100644
--- a/src/vnet/tls/tls.c
+++ b/src/vnet/tls/tls.c
@@ -26,6 +26,18 @@ static tls_engine_vft_t *tls_vfts;
 
 void tls_disconnect (u32 ctx_handle, u32 thread_index);
 
+static void
+tls_disconnect_transport (tls_ctx_t * ctx)
+{
+  vnet_disconnect_args_t a = {
+    .handle = ctx->tls_session_handle,
+    .app_index = tls_main.app_index,
+  };
+
+  if (vnet_disconnect_session (&a))
+    clib_warning ("disconnect returned");
+}
+
 tls_engine_type_t
 tls_get_available_engine (void)
 {
@@ -39,10 +51,35 @@ tls_get_available_engine (void)
 }
 
 int
-tls_add_vpp_q_evt (svm_fifo_t * f, u8 evt_type)
+tls_add_vpp_q_rx_evt (stream_session_t * s)
+{
+  if (svm_fifo_set_event (s->server_rx_fifo))
+    session_send_io_evt_to_thread (s->server_rx_fifo, FIFO_EVENT_APP_RX);
+  return 0;
+}
+
+int
+tls_add_vpp_q_builtin_rx_evt (stream_session_t * s)
+{
+  if (svm_fifo_set_event (s->server_rx_fifo))
+    session_send_io_evt_to_thread (s->server_rx_fifo, FIFO_EVENT_BUILTIN_RX);
+  return 0;
+}
+
+int
+tls_add_vpp_q_tx_evt (stream_session_t * s)
 {
-  if (svm_fifo_set_event (f))
-    session_send_io_evt_to_thread (f, evt_type);
+  if (svm_fifo_set_event (s->server_tx_fifo))
+    session_send_io_evt_to_thread (s->server_tx_fifo, FIFO_EVENT_APP_TX);
+  return 0;
+}
+
+int
+tls_add_vpp_q_builtin_tx_evt (stream_session_t * s)
+{
+  if (svm_fifo_set_event (s->server_tx_fifo))
+    session_send_io_evt_to_thread_custom (s, s->thread_index,
+					  FIFO_EVENT_BUILTIN_TX);
   return 0;
 }
 
@@ -59,13 +96,15 @@ tls_listener_ctx_alloc (void)
   tls_ctx_t *ctx;
 
   pool_get (tm->listener_ctx_pool, ctx);
-  memset (ctx, 0, sizeof (*ctx));
+  clib_memset (ctx, 0, sizeof (*ctx));
   return ctx - tm->listener_ctx_pool;
 }
 
 void
 tls_listener_ctx_free (tls_ctx_t * ctx)
 {
+  if (CLIB_DEBUG)
+    memset (ctx, 0xfb, sizeof (*ctx));
   pool_put (tls_main.listener_ctx_pool, ctx);
 }
 
@@ -94,6 +133,7 @@ tls_ctx_half_open_alloc (void)
     {
       clib_rwlock_writer_lock (&tm->half_open_rwlock);
       pool_get (tm->half_open_ctx_pool, ctx);
+      ctx_index = ctx - tm->half_open_ctx_pool;
       clib_rwlock_writer_unlock (&tm->half_open_rwlock);
     }
   else
@@ -101,10 +141,10 @@ tls_ctx_half_open_alloc (void)
       /* reader lock assumption: only main thread will call pool_get */
       clib_rwlock_reader_lock (&tm->half_open_rwlock);
       pool_get (tm->half_open_ctx_pool, ctx);
+      ctx_index = ctx - tm->half_open_ctx_pool;
       clib_rwlock_reader_unlock (&tm->half_open_rwlock);
     }
-  memset (ctx, 0, sizeof (*ctx));
-  ctx_index = ctx - tm->half_open_ctx_pool;
+  clib_memset (ctx, 0, sizeof (*ctx));
   return ctx_index;
 }
 
@@ -156,7 +196,13 @@ tls_notify_app_accept (tls_ctx_t * ctx)
   tls_ctx_t *lctx;
   int rv;
 
-  app_wrk = app_worker_get (ctx->parent_app_index);
+  app_wrk = app_worker_get_if_valid (ctx->parent_app_index);
+  if (!app_wrk)
+    {
+      tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_index ());
+      return -1;
+    }
+
   app = application_get (app_wrk->app_index);
   lctx = tls_listener_ctx_get (ctx->listener_ctx_index);
 
@@ -177,6 +223,8 @@ tls_notify_app_accept (tls_ctx_t * ctx)
     }
   ctx->c_s_index = app_session->session_index;
   ctx->app_session_handle = session_handle (app_session);
+  session_lookup_add_connection (&ctx->connection,
+				 session_handle (app_session));
   return app->cb_fns.session_accept_callback (app_session);
 }
 
@@ -189,7 +237,13 @@ tls_notify_app_connected (tls_ctx_t * ctx, u8 is_failed)
   app_worker_t *app_wrk;
   application_t *app;
 
-  app_wrk = app_worker_get (ctx->parent_app_index);
+  app_wrk = app_worker_get_if_valid (ctx->parent_app_index);
+  if (!app_wrk)
+    {
+      tls_disconnect_transport (ctx);
+      return -1;
+    }
+
   app = application_get (app_wrk->app_index);
   cb_fn = app->cb_fns.session_connected_callback;
 
@@ -208,15 +262,22 @@ tls_notify_app_connected (tls_ctx_t * ctx, u8 is_failed)
     goto failed;
 
   ctx->app_session_handle = session_handle (app_session);
-  ctx->c_s_index = app_session->session_index;
-  app_session->session_state = SESSION_STATE_READY;
+  app_session->session_state = SESSION_STATE_CONNECTING;
   if (cb_fn (ctx->parent_app_index, ctx->parent_app_api_context,
 	     app_session, 0 /* not failed */ ))
     {
       TLS_DBG (1, "failed to notify app");
       tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_index ());
+      return -1;
     }
 
+  /* parent_app_api_context should not be overwitten before used,
+   * so defer setting c_s_index */
+  ctx->c_s_index = app_session->session_index;
+  app_session->session_state = SESSION_STATE_READY;
+  session_lookup_add_connection (&ctx->connection,
+				 session_handle (app_session));
+
   return 0;
 
 failed:
@@ -308,14 +369,14 @@ tls_session_reset_callback (stream_session_t * s)
 }
 
 int
-tls_add_segment_callback (u32 client_index, const ssvm_private_t * fs)
+tls_add_segment_callback (u32 client_index, u64 segment_handle)
 {
   /* No-op for builtin */
   return 0;
 }
 
 int
-tls_del_segment_callback (u32 client_index, const ssvm_private_t * fs)
+tls_del_segment_callback (u32 client_index, u64 segment_handle)
 {
   return 0;
 }
@@ -331,7 +392,7 @@ tls_session_disconnect_callback (stream_session_t * tls_session)
   ctx = tls_ctx_get (tls_session->opaque);
   if (!tls_ctx_handshake_is_over (ctx))
     {
-      stream_session_disconnect (tls_session);
+      session_close (tls_session);
       return;
     }
   ctx->is_passive_close = 1;
@@ -399,24 +460,28 @@ tls_session_connected_callback (u32 tls_app_index, u32 ho_ctx_index,
 
   if (is_fail)
     {
-      int (*cb_fn) (u32, u32, stream_session_t *, u8);
+      int (*cb_fn) (u32, u32, stream_session_t *, u8), rv = 0;
       u32 wrk_index, api_context;
       app_worker_t *app_wrk;
       application_t *app;
 
       wrk_index = ho_ctx->parent_app_index;
-      api_context = ho_ctx->c_s_index;
+      app_wrk = app_worker_get_if_valid (ho_ctx->parent_app_index);
+      if (app_wrk)
+	{
+	  api_context = ho_ctx->c_s_index;
+	  app = application_get (app_wrk->app_index);
+	  cb_fn = app->cb_fns.session_connected_callback;
+	  rv = cb_fn (wrk_index, api_context, 0, 1 /* failed */ );
+	}
       tls_ctx_half_open_reader_unlock ();
       tls_ctx_half_open_free (ho_ctx_index);
-      app_wrk = app_worker_get (ho_ctx->parent_app_index);
-      app = application_get (app_wrk->app_index);
-      cb_fn = app->cb_fns.session_connected_callback;
-      return cb_fn (wrk_index, api_context, 0, 1 /* failed */ );
+      return rv;
     }
 
   ctx_handle = tls_ctx_alloc (ho_ctx->tls_ctx_engine);
   ctx = tls_ctx_get (ctx_handle);
-  clib_memcpy (ctx, ho_ctx, sizeof (*ctx));
+  clib_memcpy_fast (ctx, ho_ctx, sizeof (*ctx));
   tls_ctx_half_open_reader_unlock ();
   tls_ctx_half_open_free (ho_ctx_index);
 
@@ -448,10 +513,10 @@ static session_cb_vft_t tls_app_cb_vft = {
 /* *INDENT-ON* */
 
 int
-tls_connect (transport_endpoint_t * tep)
+tls_connect (transport_endpoint_cfg_t * tep)
 {
   vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
-  session_endpoint_extended_t *sep;
+  session_endpoint_cfg_t *sep;
   tls_engine_type_t engine_type;
   tls_main_t *tm = &tls_main;
   app_worker_t *app_wrk;
@@ -460,7 +525,7 @@ tls_connect (transport_endpoint_t * tep)
   tls_ctx_t *ctx;
   u32 ctx_index;
 
-  sep = (session_endpoint_extended_t *) tep;
+  sep = (session_endpoint_cfg_t *) tep;
   app_wrk = app_worker_get (sep->app_wrk_index);
   app = application_get (app_wrk->app_index);
   engine_type = tls_get_engine_type (app->tls_engine);
@@ -485,7 +550,7 @@ tls_connect (transport_endpoint_t * tep)
   app_worker_alloc_connects_segment_manager (app_wrk);
   ctx->tls_ctx_engine = engine_type;
 
-  clib_memcpy (&cargs->sep, sep, sizeof (session_endpoint_t));
+  clib_memcpy_fast (&cargs->sep, sep, sizeof (session_endpoint_t));
   cargs->sep.transport_proto = TRANSPORT_PROTO_TCP;
   cargs->app_index = tm->app_index;
   cargs->api_context = ctx_index;
@@ -499,23 +564,13 @@ tls_connect (transport_endpoint_t * tep)
 void
 tls_disconnect (u32 ctx_handle, u32 thread_index)
 {
-  stream_session_t *tls_session, *app_session;
   tls_ctx_t *ctx;
 
   TLS_DBG (1, "Disconnecting %x", ctx_handle);
 
   ctx = tls_ctx_get (ctx_handle);
-  tls_session = session_get_from_handle (ctx->tls_session_handle);
-  stream_session_disconnect (tls_session);
-
-  app_session = session_get_from_handle_if_valid (ctx->app_session_handle);
-  if (app_session)
-    {
-      segment_manager_dealloc_fifos (app_session->svm_segment_index,
-				     app_session->server_rx_fifo,
-				     app_session->server_tx_fifo);
-      session_free (app_session);
-    }
+  tls_disconnect_transport (ctx);
+  session_transport_delete_notify (&ctx->connection);
   tls_ctx_free (ctx);
 }
 
@@ -526,7 +581,7 @@ tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
   app_worker_t *app_wrk;
   tls_main_t *tm = &tls_main;
   session_handle_t tls_handle;
-  session_endpoint_extended_t *sep;
+  session_endpoint_cfg_t *sep;
   stream_session_t *tls_listener;
   stream_session_t *app_listener;
   tls_engine_type_t engine_type;
@@ -534,7 +589,7 @@ tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
   tls_ctx_t *lctx;
   u32 lctx_index;
 
-  sep = (session_endpoint_extended_t *) tep;
+  sep = (session_endpoint_cfg_t *) tep;
   app_wrk = app_worker_get (sep->app_wrk_index);
   app = application_get (app_wrk->app_index);
   engine_type = tls_get_engine_type (app->tls_engine);
@@ -545,7 +600,7 @@ tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
     }
 
   sep->transport_proto = TRANSPORT_PROTO_TCP;
-  memset (args, 0, sizeof (*args));
+  clib_memset (args, 0, sizeof (*args));
   args->app_index = tm->app_index;
   args->sep_ext = *sep;
   if (vnet_bind (args))
@@ -575,13 +630,18 @@ tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
 u32
 tls_stop_listen (u32 lctx_index)
 {
-  tls_main_t *tm = &tls_main;
-  tls_ctx_t *lctx;
   tls_engine_type_t engine_type;
+  tls_ctx_t *lctx;
 
   lctx = tls_listener_ctx_get (lctx_index);
-  /* TODO use unbind */
-  application_stop_listen (tm->app_index, 0, lctx->tls_session_handle);
+  vnet_unbind_args_t a = {
+    .handle = lctx->tls_session_handle,
+    .app_index = tls_main.app_index,
+    .wrk_map_index = 0		/* default wrk */
+  };
+  if (vnet_unbind (&a))
+    clib_warning ("unbind returned");
+
   engine_type = lctx->tls_ctx_engine;
   tls_vfts[engine_type].ctx_stop_listen (lctx);
 
@@ -636,7 +696,9 @@ format_tls_connection (u8 * s, va_list * args)
   s = format (s, "%-50U", format_tls_ctx, ctx, thread_index);
   if (verbose)
     {
-      s = format (s, "%-15s", "state");
+      stream_session_t *ts;
+      ts = session_get_from_handle (ctx->app_session_handle);
+      s = format (s, "state: %-7u", ts->session_state);
       if (verbose > 1)
 	s = format (s, "\n");
     }
@@ -702,8 +764,8 @@ tls_init (vlib_main_t * vm)
 
   num_threads = 1 /* main thread */  + vtm->n_threads;
 
-  memset (a, 0, sizeof (*a));
-  memset (options, 0, sizeof (options));
+  clib_memset (a, 0, sizeof (*a));
+  clib_memset (options, 0, sizeof (options));
 
   a->session_cb_vft = &tls_app_cb_vft;
   a->api_client_index = APP_INVALID_INDEX;