/*
 * Copyright (c) 2015-2016 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.
 */

/** \file

    This file defines vpe control-plane API messages which are generally
    called through a shared memory interface. 
*/

option version = "1.0.0";

/* 
 * Note: API placement cleanup in progress
 * If you're looking for interface APIs, please
 * see .../src/vnet/{interface.api,interface_api.c}
 * IP APIs: see .../src/vnet/ip/{ip.api, ip_api.c}
 * TAP APIs: see .../src/vnet/unix/{tap.api, tap_api.c}
 * VXLAN APIs: see .../src/vnet/vxlan/{vxlan.api, vxlan_api.c}
 * GENEVE APIs: see .../src/vnet/geneve/{geneve.api, geneve_api.c}
 * LLDP APIs: see .../src/vnet/lldp/{lldp.api, lldp_api.c}
 * AF-PACKET APIs: see ... /vnet/devices/af_packet/{af_packet.api, af_packet_api.c}
 * NETMAP APIs: see ... /src/vnet/devices/netmap/{netmap.api, netmap_api.c}
 * VHOST-USER APIs: see .../vnet/devices/virtio/{vhost_user.api, vhost_user_api.c}
 * VXLAN GPE APIs: see .../src/vnet/vxlan-gpe/{vxlan_gpe.api, vxlan_gpe_api.c}
 * GRE APIs: see .../src/vnet/gre/{gre.api, gre_api.c}
 * L2 APIs: see .../src/vnet/l2/{l2.api, l2_api.c}
 * L2TP APIs: see .../src/vnet/l2tp/{l2tp.api, l2tp_api.c}
 * BFD APIs: see .../src/vnet/bfd/{bfd.api, bfd_api.c}
 * IPSEC APIs: see .../src/vnet/ipsec/{ipsec.api, ipsec_api.c}
 * IPSEC-GRE APIs: see .../src/vnet/ipsec-gre/{ipsec_gre.api, ipsec_gre_api.c}
 * LISP APIs: see .../src/vnet/lisp/{lisp.api, lisp_api.c}
 * LISP-GPE APIs: see .../src/vnet/lisp-gpe/{lisp_gpe.api, lisp_gpe_api.c}
 * SESSION APIs: .../vnet/session/{session.api session_api.c}
 * MPLS APIs: see .../src/vnet/mpls/{mpls.api, mpls_api.c}
 * SR APIs: see .../src/vnet/srv6/{sr.api, sr_api.c}
 * CLASSIFY APIs: see ... /src/vnet/classify/{classify.api, classify_api.c}
 * FLOW APIs: see ... /src/vnet/flow/{flow.api, flow_api.c}
 * DHCP APIs: see ... /src/vnet/dhcp/{dhcpk.api, dhcp_api.c}
 * COP APIs: see ... /src/vnet/cop/{cop.api, cop_api.c}
 * POLICER APIs: see ... /src/vnet/policer/{policer.api, policer_api.c}
 * STATS APIs: see .../src/vpp/stats/{stats.api, stats.c}
 * BIER APIs: see ... /src/vnet/policer/{bier.api, bier_api.c}
 */

/** \brief Control ping from client to api server request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define control_ping
{
  u32 client_index;
  u32 context;
};

/** \brief Control ping from the client to the server response
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
    @param vpe_pid - the pid of the vpe, returned by the server
*/
define control_ping_reply
{
  u32 context;
  i32 retval;
  u32 client_index;
  u32 vpe_pid;
};

/** \brief Process a vpe parser cli string request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param cmd_in_shmem - pointer to cli command string
*/
define cli
{
  u32 client_index;
  u32 context;
  u64 cmd_in_shmem;
};
define cli_inband
{
  u32 client_index;
  u32 context;
  u32 length;
  u8 cmd[length];
};

/** \brief vpe parser cli string response
    @param context - sender context, to match reply w/ request
    @param retval - return code for request
    @param reply_in_shmem - Reply string from cli processing if any
*/
define cli_reply
{
  u32 context;
  i32 retval;
  u64 reply_in_shmem;
};
define cli_inband_reply
{
  u32 context;
  i32 retval;
  u32 length;
  u8 reply[length];
};

/** \brief Get node index using name request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param node_name[] - name of the node
*/
define get_node_index
{
  u32 client_index;
  u32 context;
  u8 node_name[64];
};

/** \brief Get node index using name request
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
    @param node_index - index of the desired node if found, else ~0
*/
define get_node_index_reply
{
  u32 context;
  i32 retval;
  u32 node_index;
};

/** \brief Set the next node for a given node request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param node_name[] - node to add the next node to
    @param next_name[] - node to add as the next node
*/
define add_node_next
{
  u32 client_index;
  u32 context;
  u8 node_name[64];
  u8 next_name[64];
};

/** \brief IP Set the next node for a given node response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the add next node request
    @param next_index - the index of the next node if success, else ~0
*/
define add_node_next_reply
{
  u32 context;
  i32 retval;
  u32 next_index;
};

/** \brief show version
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define show_version
{
  u32 client_index;
  u32 context;
};

/** \brief show version response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
    @param program - name of the program (vpe)
    @param version  - version of the program
    @param build_directory - root of the workspace where the program was built
*/
define show_version_reply
{
  u32 context;
  i32 retval;
  u8 program[32];
  u8 version[32];
  u8 build_date[32];
  u8 build_directory[256];
};

define get_node_graph
{
  u32 client_index;
  u32 context;
};

/** \brief get_node_graph_reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
    @param reply_in_shmem - result from vlib_node_serialize, in shared
    memory. Process with vlib_node_unserialize, remember to switch
    heaps and free the result.
*/

define get_node_graph_reply
{
  u32 context;
  i32 retval;
  u64 reply_in_shmem;
};

/** \brief Query relative index via node names
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param node_name - name of node to find relative index from
    @param next_name - next node from node_name to find relative index of
*/
define get_next_index
{
  u32 client_index;
  u32 context;
  u8 node_name[64];
  u8 next_name[64];
};

/** \brief Reply for get next node index
    @param context - sender context which was passed in the request
    @param retval - return value
    @param next_index - index of the next_node
*/
define get_next_index_reply
{
  u32 context;
  i32 retval;
  u32 next_index;
};

/*
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */