VPP-598: tcp stack initial commit

Change-Id: I49e5ce0aae6e4ff634024387ceaf7dbc432a0351
Signed-off-by: Dave Barach <dave@barachs.net>
Signed-off-by: Florin Coras <fcoras@cisco.com>

1 files changed, 136 insertions, 0 deletions

diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
new file mode 100644
index 00000000000..8d87c067841
--- /dev/null
+++ b/src/vnet/session/application_interface.h
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2016 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:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __included_uri_h__
+#define __included_uri_h__
+
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <svm/svm_fifo_segment.h>
+#include <vnet/session/session.h>
+#include <vnet/session/application.h>
+#include <vnet/session/transport.h>
+
+typedef enum _session_api_proto
+{
+  SESSION_PROTO_TCP,
+  SESSION_PROTO_UDP
+} session_api_proto_t;
+
+typedef struct _vnet_bind_args_t
+{
+  union
+  {
+    char *uri;
+    struct
+    {
+      transport_endpoint_t tep;
+      session_api_proto_t proto;
+    };
+  };
+
+  u32 api_client_index;
+  u64 *options;
+  session_cb_vft_t *session_cb_vft;
+
+  /*
+   * Results
+   */
+  char *segment_name;
+  u32 segment_name_length;
+  u64 server_event_queue_address;
+  u64 handle;
+} vnet_bind_args_t;
+
+typedef struct _vnet_unbind_args_t
+{
+  union
+  {
+    char *uri;
+    u64 handle;
+  };
+  u32 api_client_index;
+} vnet_unbind_args_t;
+
+typedef struct _vnet_connect_args
+{
+  union
+  {
+    char *uri;
+    struct
+    {
+      transport_endpoint_t tep;
+      session_api_proto_t proto;
+    };
+  };
+  u32 api_client_index;
+  u32 api_context;
+  u64 *options;
+  session_cb_vft_t *session_cb_vft;
+
+  /* Used for redirects */
+  void *mp;
+} vnet_connect_args_t;
+
+typedef struct _vnet_disconnect_args_t
+{
+  u64 handle;
+  u32 api_client_index;
+} vnet_disconnect_args_t;
+
+/* Bind / connect options */
+typedef enum
+{
+  SESSION_OPTIONS_FLAGS,
+  SESSION_OPTIONS_SEGMENT_SIZE,
+  SESSION_OPTIONS_ADD_SEGMENT_SIZE,
+  SESSION_OPTIONS_RX_FIFO_SIZE,
+  SESSION_OPTIONS_TX_FIFO_SIZE,
+  SESSION_OPTIONS_ACCEPT_COOKIE,
+  SESSION_OPTIONS_N_OPTIONS
+} session_options_index_t;
+
+/** Server can handle delegated connect requests from local clients */
+#define SESSION_OPTIONS_FLAGS_USE_FIFO	(1<<0)
+
+/** Server wants vpp to add segments when out of memory for fifos */
+#define SESSION_OPTIONS_FLAGS_ADD_SEGMENT   (1<<1)
+
+#define VNET_CONNECT_REDIRECTED	123
+
+int vnet_bind_uri (vnet_bind_args_t *);
+int vnet_unbind_uri (char *uri, u32 api_client_index);
+int vnet_connect_uri (vnet_connect_args_t * a);
+int
+vnet_disconnect_session (u32 client_index, u32 session_index,
+			 u32 thread_index);
+
+int vnet_bind (vnet_bind_args_t * a);
+int vnet_connect (vnet_connect_args_t * a);
+int vnet_unbind (vnet_unbind_args_t * a);
+int vnet_disconnect (vnet_disconnect_args_t * a);
+
+int
+api_parse_session_handle (u64 handle, u32 * session_index,
+			  u32 * thread_index);
+
+#endif /* __included_uri_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */