gre: improve .api descriptions

[vpp.git] / src / vnet / gre / gre.api

diff --git a/src/vnet/gre/gre.api b/src/vnet/gre/gre.api
index cb0bb73..f4e0253 100644 (file)
--- a/src/vnet/gre/gre.api
+++ b/src/vnet/gre/gre.api
@@ -1,6 +1,6 @@
 /* Hey Emacs use -*- mode: C -*- */
 /*
- * Copyright (c) 2015-2019 Cisco and/or its affiliates.
+ * Copyright (c) 2015-2020 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:
@@ -14,44 +14,53 @@
  * limitations under the License.
  */
 
-option version = "2.0.0";
+option version = "2.1.0";
 
 import "vnet/interface_types.api";
+import "vnet/tunnel/tunnel_types.api";
 import "vnet/ip/ip_types.api";
 
 /** \brief A GRE tunnel type
 */
-enum gre_tunnel_type
+enum gre_tunnel_type : u8
 {
   GRE_API_TUNNEL_TYPE_L3 = 0,
+  /* L2 Transparent Ethernet Bridge */
   GRE_API_TUNNEL_TYPE_TEB,
+  /* Encapsulated Remote Switched Port ANalyzer */
   GRE_API_TUNNEL_TYPE_ERSPAN,
 };
 
-/** \brief A GRE tunnel
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param tunnel_type - 0: L3, 1: TEB, 2: ERSPAN
+/** \brief A composite type uniquely defining a GRE tunnel.
+    @param type - tunnel type (see enum definition), 0: L3, 1: TEB, 2: ERSPAN
+    @param mode - P2P or P2MP
+    @param flags - to control encap/decap behaviour
+    @param session_id - session for ERSPAN tunnel, range 0-1023
     @param instance - optional unique custom device instance, else ~0.
+    @param outer_table_id - Encap FIB table ID
+    @param sw_if_index - ignored on create/delete, present in details.
     @param src - Source IP address
     @param dst - Destination IP address, can be multicast
-    @param outer_fib_id - Encap FIB table ID
-    @param session_id - session for ERSPAN tunnel, range 0-1023
-    @param sw_if_index - ignored on create/delete, present in details.
 */
 typedef gre_tunnel
 {
-  u32 client_index;
-  u32 context;
-  u16 session_id;
   vl_api_gre_tunnel_type_t type;
+  vl_api_tunnel_mode_t mode;
+  vl_api_tunnel_encap_decap_flags_t flags;
+  u16 session_id;
   u32 instance;
-  u32 outer_fib_id;
+  u32 outer_table_id;
   vl_api_interface_index_t sw_if_index;
   vl_api_address_t src;
   vl_api_address_t dst;
 };
 
+/** \brief Add or delete a single GRE tunnel.
+    @param client_index - opaque cookie to identify the sender.
+    @param context - sender context, to match reply w/ request.
+    @param is_add - add if true, delete if false.
+    @param tunnel - tunnel definition to add or delete.
+*/
 define gre_tunnel_add_del
 {
   u32 client_index;
@@ -60,6 +69,11 @@ define gre_tunnel_add_del
   vl_api_gre_tunnel_t tunnel;
 };
 
+/** \brief Add or delete a single GRE tunnel.
+    @param context - sender context, to match reply w/ request.
+    @param retval - return code for the request.
+    @param sw_if_index - the interface corresponding to the affected tunnel.
+*/
 define gre_tunnel_add_del_reply
 {
   u32 context;
@@ -67,6 +81,11 @@ define gre_tunnel_add_del_reply
   vl_api_interface_index_t sw_if_index;
 };
 
+/** \brief Dump details of all or just a single GRE tunnel.
+    @param client_index - opaque cookie to identify the sender.
+    @param context - sender context, to match reply w/ request.
+    @param sw_if_index - filter for tunnel of this interface index, ~0 for all.
+*/
 define gre_tunnel_dump
 {
   u32 client_index;
@@ -74,6 +93,10 @@ define gre_tunnel_dump
   vl_api_interface_index_t sw_if_index;
 };
 
+/** \brief Details response for one of the requested GRE tunnels.
+    @param context - sender context, to match reply w/ request.
+    @param tunnel - definition of the dumped tunnel.
+*/
 define gre_tunnel_details
 {
   u32 context;