session: move connects to first worker

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

diff --git a/src/vnet/tls/tls.c b/src/vnet/tls/tls.c
index 9cf1008..b082467 100644 (file)
--- a/src/vnet/tls/tls.c
+++ b/src/vnet/tls/tls.c
@@ -115,60 +115,30 @@ u32
 tls_ctx_half_open_alloc (void)
 {
   tls_main_t *tm = &tls_main;
-  u8 will_expand = 0;
   tls_ctx_t *ctx;
-  u32 ctx_index;
 
-  pool_get_aligned_will_expand (tm->half_open_ctx_pool, will_expand, 0);
-  if (PREDICT_FALSE (will_expand && vlib_num_workers ()))
-    {
-      clib_rwlock_writer_lock (&tm->half_open_rwlock);
-      pool_get_zero (tm->half_open_ctx_pool, ctx);
-      ctx->c_c_index = ctx - tm->half_open_ctx_pool;
-      ctx_index = ctx->c_c_index;
-      clib_rwlock_writer_unlock (&tm->half_open_rwlock);
-    }
-  else
-    {
-      /* reader lock assumption: only main thread will call pool_get */
-      clib_rwlock_reader_lock (&tm->half_open_rwlock);
-      pool_get_zero (tm->half_open_ctx_pool, ctx);
-      ctx->c_c_index = ctx - tm->half_open_ctx_pool;
-      ctx_index = ctx->c_c_index;
-      clib_rwlock_reader_unlock (&tm->half_open_rwlock);
-    }
-  return ctx_index;
+  pool_get_aligned_safe (tm->half_open_ctx_pool, ctx, CLIB_CACHE_LINE_BYTES);
+
+  clib_memset (ctx, 0, sizeof (*ctx));
+  ctx->c_c_index = ctx - tm->half_open_ctx_pool;
+  ctx->c_thread_index = transport_cl_thread ();
+
+  return ctx->c_c_index;
 }
 
 void
 tls_ctx_half_open_free (u32 ho_index)
 {
-  tls_main_t *tm = &tls_main;
-  clib_rwlock_writer_lock (&tm->half_open_rwlock);
   pool_put_index (tls_main.half_open_ctx_pool, ho_index);
-  clib_rwlock_writer_unlock (&tm->half_open_rwlock);
 }
 
 tls_ctx_t *
 tls_ctx_half_open_get (u32 ctx_index)
 {
   tls_main_t *tm = &tls_main;
-  clib_rwlock_reader_lock (&tm->half_open_rwlock);
   return pool_elt_at_index (tm->half_open_ctx_pool, ctx_index);
 }
 
-void
-tls_ctx_half_open_reader_unlock ()
-{
-  clib_rwlock_reader_unlock (&tls_main.half_open_rwlock);
-}
-
-u32
-tls_ctx_half_open_index (tls_ctx_t * ctx)
-{
-  return (ctx - tls_main.half_open_ctx_pool);
-}
-
 void
 tls_notify_app_enqueue (tls_ctx_t * ctx, session_t * app_session)
 {
@@ -211,13 +181,16 @@ tls_notify_app_accept (tls_ctx_t * ctx)
 int
 tls_notify_app_connected (tls_ctx_t * ctx, session_error_t err)
 {
+  u32 parent_app_api_ctx;
   session_t *app_session;
   app_worker_t *app_wrk;
 
   app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_index);
   if (!app_wrk)
     {
-      tls_disconnect_transport (ctx);
+      if (ctx->tls_type == TRANSPORT_PROTO_TLS)
+       session_free (session_get (ctx->c_s_index, ctx->c_thread_index));
+      ctx->no_app_session = 1;
       return -1;
     }
 
@@ -256,17 +229,18 @@ tls_notify_app_connected (tls_ctx_t * ctx, session_error_t err)
     goto failed;
 
   app_session->session_state = SESSION_STATE_READY;
-  if (app_worker_connect_notify (app_wrk, app_session,
-                                SESSION_E_NONE, ctx->parent_app_api_context))
+  parent_app_api_ctx = ctx->parent_app_api_context;
+  ctx->app_session_handle = session_handle (app_session);
+
+  if (app_worker_connect_notify (app_wrk, app_session, SESSION_E_NONE,
+                                parent_app_api_ctx))
     {
       TLS_DBG (1, "failed to notify app");
-      app_session->session_state = SESSION_STATE_CONNECTING;
-      tls_disconnect (ctx->tls_ctx_handle, vlib_get_thread_index ());
+      session_free (session_get (ctx->c_s_index, ctx->c_thread_index));
+      ctx->no_app_session = 1;
       return -1;
     }
 
-  ctx->app_session_handle = session_handle (app_session);
-
   return 0;
 
 failed:
@@ -365,7 +339,7 @@ tls_ctx_write (tls_ctx_t * ctx, session_t * app_session,
 
   sp->max_burst_size = sp->max_burst_size * TRANSPORT_PACER_MIN_MSS;
   n_wrote = tls_vfts[ctx->tls_ctx_engine].ctx_write (ctx, app_session, sp);
-  sp->max_burst_size = n_wrote;
+  sp->bytes_dequeued = n_wrote;
   return n_wrote > 0 ? clib_max (n_wrote / TRANSPORT_PACER_MIN_MSS, 1) : 0;
 }
 
@@ -399,6 +373,22 @@ tls_ctx_handshake_is_over (tls_ctx_t * ctx)
   return tls_vfts[ctx->tls_ctx_engine].ctx_handshake_is_over (ctx);
 }
 
+int
+tls_reinit_ca_chain (crypto_engine_type_t tls_engine_id)
+{
+  return tls_vfts[tls_engine_id].ctx_reinit_cachain ();
+}
+
+void
+tls_notify_app_io_error (tls_ctx_t *ctx)
+{
+  ASSERT (tls_ctx_handshake_is_over (ctx));
+
+  session_transport_reset_notify (&ctx->connection);
+  session_transport_closed_notify (&ctx->connection);
+  tls_disconnect_transport (ctx);
+}
+
 void
 tls_session_reset_callback (session_t * s)
 {
@@ -435,7 +425,6 @@ tls_session_cleanup_ho (session_t *s)
   ho_index = s->opaque;
   ctx = tls_ctx_half_open_get (ho_index);
   session_half_open_delete_notify (&ctx->connection);
-  tls_ctx_half_open_reader_unlock ();
   tls_ctx_half_open_free (ho_index);
 }
 
@@ -513,6 +502,11 @@ tls_app_rx_callback (session_t * tls_session)
     return 0;
 
   ctx = tls_ctx_get (tls_session->opaque);
+  if (PREDICT_FALSE (ctx->no_app_session))
+    {
+      TLS_DBG (1, "Local App closed");
+      return 0;
+    }
   tls_ctx_read (ctx, tls_session);
   return 0;
 }
@@ -543,7 +537,6 @@ tls_session_connected_cb (u32 tls_app_index, u32 ho_ctx_index,
   ctx = tls_ctx_get (ctx_handle);
   clib_memcpy_fast (ctx, ho_ctx, sizeof (*ctx));
   /* Half-open freed on tcp half-open cleanup notification */
-  tls_ctx_half_open_reader_unlock ();
 
   ctx->c_thread_index = vlib_get_thread_index ();
   ctx->tls_ctx_handle = ctx_handle;
@@ -604,7 +597,6 @@ tls_session_connected_callback (u32 tls_app_index, u32 ho_ctx_index,
          api_context = ho_ctx->parent_app_api_context;
          app_worker_connect_notify (app_wrk, 0, err, api_context);
        }
-      tls_ctx_half_open_reader_unlock ();
 
       return 0;
     }
@@ -742,7 +734,6 @@ tls_connect (transport_endpoint_cfg_t * tep)
       ctx->srv_hostname = format (0, "%s", ccfg->hostname);
       vec_terminate_c_string (ctx->srv_hostname);
     }
-  tls_ctx_half_open_reader_unlock ();
 
   ctx->tls_ctx_engine = engine_type;
 
@@ -773,7 +764,7 @@ tls_disconnect (u32 ctx_handle, u32 thread_index)
 }
 
 u32
-tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
+tls_start_listen (u32 app_listener_index, transport_endpoint_cfg_t *tep)
 {
   vnet_listen_args_t _bargs, *args = &_bargs;
   transport_endpt_crypto_cfg_t *ccfg;
@@ -834,6 +825,7 @@ tls_start_listen (u32 app_listener_index, transport_endpoint_t * tep)
   lctx->tls_ctx_engine = engine_type;
   lctx->tls_type = sep->transport_proto;
   lctx->ckpair_index = ccfg->ckpair_index;
+  lctx->c_s_index = app_listener_index;
   lctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
 
   if (tls_vfts[engine_type].ctx_start_listen (lctx))
@@ -911,24 +903,18 @@ tls_listener_get (u32 listener_index)
 static transport_connection_t *
 tls_half_open_get (u32 ho_index)
 {
-  tls_main_t *tm = &tls_main;
   tls_ctx_t *ctx;
   ctx = tls_ctx_half_open_get (ho_index);
-  clib_rwlock_reader_unlock (&tm->half_open_rwlock);
   return &ctx->connection;
 }
 
 static void
 tls_cleanup_ho (u32 ho_index)
 {
-  tls_main_t *tm = &tls_main;
-  session_handle_t tcp_sh;
   tls_ctx_t *ctx;
 
   ctx = tls_ctx_half_open_get (ho_index);
-  tcp_sh = ctx->tls_session_handle;
-  clib_rwlock_reader_unlock (&tm->half_open_rwlock);
-  session_cleanup_half_open (tcp_sh);
+  session_cleanup_half_open (ctx->tls_session_handle);
   tls_ctx_half_open_free (ho_index);
 }
 
@@ -942,7 +928,6 @@ tls_custom_tx_callback (void *session, transport_send_params_t * sp)
                     >= SESSION_STATE_TRANSPORT_CLOSED))
     return 0;
 
-  sp->flags = 0;
   ctx = tls_ctx_get (app_session->connection_index);
   return tls_ctx_write (ctx, app_session, sp);
 }
@@ -1066,7 +1051,6 @@ format_tls_half_open (u8 * s, va_list * args)
              ho_ctx->parent_app_wrk_index, ho_ctx->tls_ctx_engine,
              tcp_ho->thread_index, tcp_ho->session_index);
 
-  tls_ctx_half_open_reader_unlock ();
   return s;
 }
 
@@ -1310,8 +1294,6 @@ tls_init (vlib_main_t * vm)
   if (!tm->ca_cert_path)
     tm->ca_cert_path = TLS_CA_CERT_PATH;
 
-  clib_rwlock_init (&tm->half_open_rwlock);
-
   vec_validate (tm->rx_bufs, num_threads - 1);
   vec_validate (tm->tx_bufs, num_threads - 1);
 
@@ -1365,7 +1347,7 @@ tls_config_fn (vlib_main_t * vm, unformat_input_t * input)
   return 0;
 }
 
-VLIB_EARLY_CONFIG_FUNCTION (tls_config_fn, "tls");
+VLIB_CONFIG_FUNCTION (tls_config_fn, "tls");
 
 tls_main_t *
 vnet_tls_get_main (void)