/*
 * 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 = "1.1.0";

/* 
 * 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/{dhcp.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}
 * 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;
  string cmd;
};

/** \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;
  string reply;
};

/** \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;
  string program;
  string version;
  string build_date;
  string build_directory;
};


/** \brief show_threads display the information about vpp
    threads running on system along with their process id,
    cpu id, physical core and cpu socket.
*/
define show_threads
{
  u32 client_index;
  u32 context;
};

/** \brief thread data
    @param id - thread index
    @param name - thread name i.e. vpp_main or vpp_wk_0
    @param type - thread type i.e. workers or stats
    @param pid - thread Process Id
    @param cpu_id - thread pinned to cpu.
    "CPUs or Logical cores are the number of physical cores times
    the number of threads that can run on each core through
    the use of hyperthreading." (from unix.stackexchange.com)
    @param core - thread pinned to actual physical core.
    @param cpu_socket - thread is running on which cpu socket.
*/
typeonly define thread_data
{
  u32 id;
  u8 name[64];
  u8 type[64];
  u32 pid;
  u32 cpu_id;
  u32 core;
  u32 cpu_socket;
};

/** \brief show_threads_reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
    @param count - number of threads in thread_data array
    @param thread_data - array of thread data
*/
define show_threads_reply
{
  u32 context;
  i32 retval;
  u32 count;
  vl_api_thread_data_t thread_data[count];
};

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:
 */