[vpp.git] / vpp / vpp-api / vpe.api

/* Hey Emacs use -*- mode: C -*- */
/*
 * 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. 
*/


/** \brief Register for interface events
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 => register for events, 0 => cancel registration
    @param pid - sender's pid
*/
define want_interface_events
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Reply for interface events registration
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define want_interface_events_reply
{
  u32 context;
  i32 retval;
};

/** \brief Interface details structure (fix this) 
    @param sw_if_index - index of the interface
    @param sup_sw_if_index - index of parent interface if any, else same as sw_if_index  
    @param l2_address_length - length of the interface's l2 address
    @param pid - the interface's l2 address
    @param interface_name - name of the interface
    @param link_duplex - 1 if half duplex, 2 if full duplex
    @param link_speed - 1 = 10M, 2 = 100M, 4 = 1G, 8 = 10G, 16 = 40G, 32 = 100G
    @param link_MTU - max. transmittion unit 
    @param sub_if_id - A number 0-N to uniquely identify this subif on super if
    @param sub_dot1ad -  0 = dot1q, 1=dot1ad
    @param sub_number_of_tags - Number of tags (0 - 2)
    @param sub_outer_vlan_id
    @param sub_inner_vlan_id
    @param sub_exact_match
    @param sub_default
    @param sub_outer_vlan_id_any
    @param sub_inner_vlan_id_any
    @param vtr_op - vlan tag rewrite operation
    @param vtr_push_dot1q
    @param vtr_tag1
    @param vtr_tag2
*/
define sw_interface_details
{
  u32 context;
  u32 sw_if_index;

  /* index of sup interface (e.g. hw interface).
     equal to sw_if_index for super hw interface. */
  u32 sup_sw_if_index;

  /* Layer 2 address, if applicable */
  u32 l2_address_length;
  u8 l2_address[8];

  /* Interface name */
  u8 interface_name[64];

  /* 1 = up, 0 = down */
  u8 admin_up_down;
  u8 link_up_down;

  /* 1 = half duplex, 2 = full duplex */
  u8 link_duplex;

  /* 1 = 10M, 2 = 100M, 4 = 1G, 8 = 10G, 16 = 40G, 32 = 100G */
  u8 link_speed;

  /* MTU */
  u16 link_mtu;

  /* Subinterface ID. A number 0-N to uniquely identify this subinterface under the super interface */
  u32 sub_id;

  /* 0 = dot1q, 1=dot1ad */
  u8 sub_dot1ad;

  /* Number of tags 0-2 */
  u8 sub_number_of_tags;
  u16 sub_outer_vlan_id;
  u16 sub_inner_vlan_id;
  u8 sub_exact_match;
  u8 sub_default;
  u8 sub_outer_vlan_id_any;
  u8 sub_inner_vlan_id_any;

  /* vlan tag rewrite state */
  u32 vtr_op;
  u32 vtr_push_dot1q;           // ethertype of first pushed tag is dot1q/dot1ad
  u32 vtr_tag1;                 // first pushed tag
  u32 vtr_tag2;                 // second pushed tag
  u8 tag[64];
};

/* works */
define sw_interface_dump
{
  u32 client_index;
  u32 context;
  u8 name_filter_valid;
  u8 name_filter[49];
};

/** \brief Set or delete one or all ip addresses on a specified interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of the interface to add/del addresses 
    @param is_add - add address if non-zero, else delete
    @param is_ipv6 - if non-zero the address is ipv6, else ipv4
    @param del_all - if non-zero delete all addresses on the interface
    @param address_length - address length in bytes, 4 for ip4, 16 for ip6
    @param address - array of address bytes
*/
define sw_interface_add_del_address
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 is_add;
  u8 is_ipv6;
  u8 del_all;
  u8 address_length;
  u8 address[16];
};

/** \brief Reply for interface events registration
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define sw_interface_add_del_address_reply
{
  u32 context;
  i32 retval;
};

/** \brief Associate the specified interface with a fib table
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of the interface
    @param is_ipv6 - if non-zero ipv6, else ipv4
    @param vrf_id - fib table/vrd id to associate the interface with
*/
define sw_interface_set_table
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 is_ipv6;
  u32 vrf_id;
};

/** \brief Reply for interface events registration
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define sw_interface_set_table_reply
{
  u32 context;
  i32 retval;
};

/** \brief Enable or Disable MPLS on and interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of the interface
    @param enable - if non-zero enable, else disable
*/
define sw_interface_set_mpls_enable
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 enable;
};

/** \brief Reply for MPLS state on an interface
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define sw_interface_set_mpls_enable_reply
{
  u32 context;
  i32 retval;
};

/** \brief Initialize a new tap interface with the given paramters 
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param use_random_mac - let the system generate a unique mac address
    @param tap_name - name to associate with the new interface
    @param mac_address - mac addr to assign to the interface if use_radom not set
*/
define tap_connect
{
  u32 client_index;
  u32 context;
  u8 use_random_mac;
  u8 tap_name[64];
  u8 mac_address[6];
  u8 renumber;
  u32 custom_dev_instance;
  u8 tag[64];
};

/** \brief Reply for tap connect request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
    @param sw_if_index - software index allocated for the new tap interface
*/
define tap_connect_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief Modify a tap interface with the given paramters 
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface index of existing tap interface
    @param use_random_mac - let the system generate a unique mac address
    @param tap_name - name to associate with the new interface
    @param mac_address - mac addr to assign to the interface if use_radom not set
*/
define tap_modify
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 use_random_mac;
  u8 tap_name[64];
  u8 mac_address[6];
  u8 renumber;
  u32 custom_dev_instance;
};

/** \brief Reply for tap modify request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
    @param sw_if_index - software index if the modified tap interface
*/
define tap_modify_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief Delete tap interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface index of existing tap interface
*/
define tap_delete
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

/** \brief Reply for tap delete request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define tap_delete_reply
{
  u32 context;
  i32 retval;
};

/** \brief Dump tap interfaces request */
define sw_interface_tap_dump
{
  u32 client_index;
  u32 context;
};

/** \brief Reply for tap dump request
    @param sw_if_index - software index of tap interface
    @param dev_name - Linux tap device name
*/
define sw_interface_tap_details
{
  u32 context;
  u32 sw_if_index;
  u8 dev_name[64];
};

/** \brief Create a new subinterface with the given vlan id
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - software index of the new vlan's parent interface
    @param vlan_id - vlan tag of the new interface
*/
define create_vlan_subif
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 vlan_id;
};

/** \brief Reply for the vlan subinterface create request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
    @param sw_if_index - software index allocated for the new subinterface
*/
define create_vlan_subif_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief MPLS Route Add / del route
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param mr_label - The MPLS label value
    @param mr_eos - The End of stack bit
    @param mr_table_id - The MPLS table-id the route is added in
    @param mr_classify_table_index - If this is a classify route, 
                                     this is the classify table index
    @param  mr_create_table_if_needed - If the MPLS or IP tables do not exist,
                                        create them
    @param mr_is_add - Is this a route add or delete
    @param mr_is_classify - Is this route result a classify
    @param mr_is_multipath - Is this route update a multipath - i.e. is this
                             a path addition to an existing route
    @param mr_is_resolve_host - Recurse resolution constraint via a host prefix
    @param mr_is_resolve_attached - Recurse resolution constraint via attached prefix
    @param mr_next_hop_proto_is_ip4 - The next-hop is IPV4
    @param mr_next_hop_weight - The weight, for UCMP
    @param mr_next_hop[16] - the nextop address
    @param mr_next_hop_sw_if_index - the next-hop SW interface
    @param mr_next_hop_table_id - the next-hop table-id (if appropriate)
    @param mr_next_hop_out_label - the next-hop output label
*/
define mpls_route_add_del
{
  u32 client_index;
  u32 context;
  u32 mr_label;
  u8 mr_eos;
  u32 mr_table_id;
  u32 mr_classify_table_index;
  u8 mr_create_table_if_needed;
  u8 mr_is_add;
  u8 mr_is_classify;
  u8 mr_is_multipath;
  u8 mr_is_resolve_host;
  u8 mr_is_resolve_attached;
  u8 mr_next_hop_proto_is_ip4;
  u8 mr_next_hop_weight;
  u8 mr_next_hop[16];
  u32 mr_next_hop_sw_if_index;
  u32 mr_next_hop_table_id;
  u32 mr_next_hop_out_label;
};

/** \brief Reply for MPLS route add / del request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define mpls_route_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Dump MPLS fib table
    @param client_index - opaque cookie to identify the sender
*/
define mpls_fib_dump
{
  u32 client_index;
  u32 context;
};

/** \brief FIB path
    @param sw_if_index - index of the interface
    @param weight - The weight, for UCMP
    @param is_local - local if non-zero, else remote
    @param is_drop - Drop the packet
    @param is_unreach - Drop the packet and rate limit send ICMP unreachable
    @param is_prohibit - Drop the packet and rate limit send ICMP prohibited
    @param afi - the afi of the next hop, IP46_TYPE_IP4=1, IP46_TYPE_IP6=2
    @param next_hop[16] - the next hop address
*/
typeonly manual_print manual_endian define fib_path
{
  u32 sw_if_index;
  u32 weight;
  u8 is_local;
  u8 is_drop;
  u8 is_unreach;
  u8 is_prohibit;
  u8 afi;
  u8 next_hop[16];
};

/** \brief mpls FIB table response
    @param table_id - MPLS fib table id
    @param s_bit - End-of-stack bit
    @param label - MPLS label value
    @param count - the number of fib_path in path
    @param path  - array of of fib_path structures
*/
manual_endian manual_print define mpls_fib_details
{
  u32 context;
  u32 table_id;
  u8  eos_bit;
  u32 label;
  u32 count;
  vl_api_fib_path_t path[count];
};

/** \brief Dump IP6 fib table
    @param client_index - opaque cookie to identify the sender
*/
define ip6_fib_dump
{
  u32 client_index;
  u32 context;
};

/** \brief IP6 FIB table response
    @param table_id - IP6 fib table id
    @address_length - mask length
    @address - ip6 prefix
    @param count - the number of fib_path in path
    @param path  - array of of fib_path structures
*/
manual_endian manual_print define ip6_fib_details
{
  u32 context;
  u32 table_id;
  u8  address_length;
  u8  address[16];
  u32 count;
  vl_api_fib_path_t path[count];
};

/** \brief Dump IP fib table
    @param client_index - opaque cookie to identify the sender
*/
define ip_fib_dump
{
  u32 client_index;
  u32 context;
};

/** \brief IP FIB table response
    @param table_id - IP fib table id
    @address_length - mask length
    @address - ip4 prefix
    @param count - the number of fib_path in path
    @param path  - array of of fib_path structures
*/
manual_endian manual_print define ip_fib_details
{
  u32 context;
  u32 table_id;
  u8  address_length;
  u8  address[4];
  u32 count;
  vl_api_fib_path_t path[count];
};

/** \brief Bind/Unbind an MPLS local label to an IP prefix. i.e. create
           a per-prefix label entry.
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param mb_mpls_table_id - The MPLS table-id the MPLS entry will be added in
    @param mb_label - The MPLS label value to bind
    @param mb_ip_table_id - The IP table-id of the IP prefix to bind to.
    @param mb_create_table_if_needed - Create either/both tables if required.
    @param mb_is_bind - Bind or unbind
    @param mb_is_ip4 - The prefix to bind to is IPv4
    @param mb_address_length - Length of IP prefix
    @param mb_address[16] - IP prefix/
*/
define mpls_ip_bind_unbind
{
  u32 client_index;
  u32 context;
  u32 mb_mpls_table_id;
  u32 mb_label;
  u32 mb_ip_table_id;
  u8 mb_create_table_if_needed;
  u8 mb_is_bind;
  u8 mb_is_ip4;
  u8 mb_address_length;
  u8 mb_address[16];
};

/** \brief Reply for MPLS IP bind/unbind request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define mpls_ip_bind_unbind_reply
{
  u32 context;
  i32 retval;
};

/** \brief Add / del route request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - software index of the new vlan's parent interface
    @param vrf_id - fib table /vrf associated with the route
    @param lookup_in_vrf - 
    @param resolve_attempts - 
    @param classify_table_index - 
    @param create_vrf_if_needed - 
    @param resolve_if_needed - 
    @param is_add - 1 if adding the route, 0 if deleting
    @param is_drop - Drop the packet
    @param is_unreach - Drop the packet and rate limit send ICMP unreachable
    @param is_prohibit - Drop the packet and rate limit send ICMP prohibited
    @param is_ipv6 - 0 if an ip4 route, else ip6
    @param is_local - 
    @param is_classify - 
    @param is_multipath - Set to 1 if this is a multipath route, else 0
    @param not_last - Is last or not last msg in group of multiple add/del msgs
    @param next_hop_weight - 
    @param dst_address_length - 
    @param dst_address[16] - 
    @param next_hop_address[16] - 
*/
define ip_add_del_route
{
  u32 client_index;
  u32 context;
  u32 next_hop_sw_if_index;
  u32 table_id;
  u32 resolve_attempts;
  u32 classify_table_index;
  u32 next_hop_out_label;
  u32 next_hop_table_id;
  u8 create_vrf_if_needed;
  u8 resolve_if_needed;
  u8 is_add;
  u8 is_drop;
  u8 is_unreach;
  u8 is_prohibit;
  u8 is_ipv6;
  u8 is_local;
  u8 is_classify;
  u8 is_multipath;
  u8 is_resolve_host;
  u8 is_resolve_attached;
  /* Is last/not-last message in group of multiple add/del messages. */
  u8 not_last;
  u8 next_hop_weight;
  u8 dst_address_length;
  u8 dst_address[16];
  u8 next_hop_address[16];
};

/** \brief Reply for add / del route request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define ip_add_del_route_reply
{
  u32 context;
  i32 retval;
};

/** \brief Add / del MPLS encapsulation request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vrf_id - vrf id
    @param dst_address[4] - 
    @param is_add - 1 if adding the encap, 0 if deleting
    @param nlabels - number of labels 
    @param labels - array of labels
*/
define mpls_add_del_encap
{
  u32 client_index;
  u32 context;
  u32 vrf_id;
  u8 dst_address[4];
  /* 1 = add, 0 = delete */
  u8 is_add;
  u8 nlabels;
  u32 labels[0];
};

/** \brief Reply for add / del encapsulation request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define mpls_add_del_encap_reply
{
  u32 context;
  i32 retval;
};

/** \brief Proxy ARP add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vrf_id - VRF / Fib table ID
    @param is_add - 1 if adding the Proxy ARP range, 0 if deleting
    @param low_address[4] - Low address of the Proxy ARP range
    @param hi_address[4] - High address of the Proxy ARP range
*/
define proxy_arp_add_del
{
  u32 client_index;
  u32 context;
  u32 vrf_id;
  u8 is_add;
  u8 low_address[4];
  u8 hi_address[4];
};

/** \brief Reply for proxy arp add / del request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define proxy_arp_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Proxy ARP add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - Which interface to enable / disable Proxy Arp on
    @param enable_disable - 1 to enable Proxy ARP on interface, 0 to disable
*/
define proxy_arp_intfc_enable_disable
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  /* 1 = on, 0 = off */
  u8 enable_disable;
};

/** \brief Reply for Proxy ARP interface enable / disable request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define proxy_arp_intfc_enable_disable_reply
{
  u32 context;
  i32 retval;
};

/** \brief IP neighbor add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vrf_id - vrf_id, only for IP4
    @param sw_if_index - interface used to reach neighbor
    @param is_add - 1 to add neighbor, 0 to delete
    @param is_ipv6 - 1 for IPv6 neighbor, 0 for IPv4
    @param is_static - 
    @param mac_address - l2 address of the neighbor
    @param dst_address - ip4 or ip6 address of the neighbor
*/
define ip_neighbor_add_del
{
  u32 client_index;
  u32 context;
  u32 vrf_id;                   /* only makes sense for ip4 */
  u32 sw_if_index;
  /* 1 = add, 0 = delete */
  u8 is_add;
  u8 is_ipv6;
  u8 is_static;
  u8 mac_address[6];
  u8 dst_address[16];
};

/** \brief Reply for IP Neighbor add / delete request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define ip_neighbor_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Reset VRF (remove all routes etc) request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_ipv6 - 1 for IPv6 neighbor, 0 for IPv4
    @param vrf_id - ID of th FIB table / VRF to reset
*/
define reset_vrf
{
  u32 client_index;
  u32 context;
  u8 is_ipv6;
  u32 vrf_id;
};

/** \brief Reply for Reset VRF request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define reset_vrf_reply
{
  u32 context;
  i32 retval;
};

/** \brief Is Address Reachable request - DISABLED
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param next_hop_sw_if_index - index of interface used to get to next hop
    @param is_ipv6 - 1 for IPv6, 0 for IPv4
    @param is_error - address not found or does not match intf
    @param address[] - Address in question 
*/
define is_address_reachable
{
  u32 client_index;             /* (api_main_t *) am->my_client_index */
  u32 context;
  u32 next_hop_sw_if_index;
  u8 is_known;                  /* on reply, this is the answer */
  u8 is_ipv6;
  u8 is_error;                  /* address not found or does not match intf */
  u8 address[16];
};

/** \brief Want Stats, register for stats updates
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 = enable stats, 0 = disable
    @param pid - pid of process requesting stats updates
*/
define want_stats
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Reply for Want Stats request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define want_stats_reply
{
  u32 context;
  i32 retval;
};

/** \brief Want stats counters structure 
    @param vnet_counter_type- such as ip4, ip6, punts, etc
    @param is_combined - rx & tx total (all types) counts   
    @param first_sw_if_index - first sw index in block of index, counts
    @param count - number of interfaces this stats block includes counters for
    @param data - contiguous block of vlib_counter_t structures 
*/
define vnet_interface_counters
{
  /* enums - plural - in vnet/interface.h */
  u8 vnet_counter_type;
  u8 is_combined;
  u32 first_sw_if_index;
  u32 count;
  u8 data[count];
};

typeonly manual_print manual_endian define ip4_fib_counter
{
  u32 address;
  u8 address_length;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_ip4_fib_counters
{
  u32 vrf_id;
  u32 count;
  vl_api_ip4_fib_counter_t c[count];
};

typeonly manual_print manual_endian define ip6_fib_counter
{
  u64 address[2];
  u8 address_length;
  u64 packets;
  u64 bytes;
};

manual_print manual_endian define vnet_ip6_fib_counters
{
  u32 vrf_id;
  u32 count;
  vl_api_ip6_fib_counter_t c[count];
};

/** \brief Request for a single block of summary stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define vnet_get_summary_stats
{
  u32 client_index;
  u32 context;
};

/** \brief Reply for vnet_get_summary_stats request
    @param context - sender context, to match reply w/ request
    @param retval - return code for request
    @param total_pkts -  
    @param total_bytes -
    @param vector_rate - 
*/
define vnet_summary_stats_reply
{
  u32 context;
  i32 retval;
  u64 total_pkts[2];
  u64 total_bytes[2];
  f64 vector_rate;
};

/** \brief OAM event structure
    @param dst_address[] - 
    @param state
*/
define oam_event
{
  u8 dst_address[4];
  u8 state;
};

/** \brief Want OAM events request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable- enable if non-zero, else disable
    @param pid - pid of the requesting process
*/
define want_oam_events
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Want OAM events response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the want oam stats request
*/
define want_oam_events_reply
{
  u32 context;
  i32 retval;
};

/** \brief OAM add / del target request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vrf_id - vrf_id of the target
    @param src_address[] - source address to use for the updates 
    @param dst_address[] - destination address of the target
    @param is_add - add target if non-zero, else delete
*/
define oam_add_del
{
  u32 client_index;
  u32 context;
  u32 vrf_id;
  u8 src_address[4];
  u8 dst_address[4];
  u8 is_add;
};

/** \brief OAM add / del target response
    @param context - sender context, to match reply w/ request
    @param retval - return code of the request
*/
define oam_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Reset fib table request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vrf_id - vrf/table id of the fib table to reset
    @param is_ipv6 - an ipv6 fib to reset if non-zero, else ipv4
*/
define reset_fib
{
  u32 client_index;
  u32 context;
  u32 vrf_id;
  u8 is_ipv6;
};

/** \brief Reset fib response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the reset bfib request
*/
define reset_fib_reply
{
  u32 context;
  i32 retval;
};

/** \brief DHCP Proxy config add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vrf_id - vrf id
    @param if_ipv6 - ipv6 if non-zero, else ipv4
    @param is_add - add the config if non-zero, else delete
    @param insert_circuit_id - option82 suboption 1 fib number
    @param dhcp_server[] - server address
    @param dhcp_src_address[] - <fix this, need details>
*/
define dhcp_proxy_config
{
  u32 client_index;
  u32 context;
  u32 vrf_id;
  u8 is_ipv6;
  u8 is_add;
  u8 insert_circuit_id;
  u8 dhcp_server[16];
  u8 dhcp_src_address[16];
};

/** \brief DHCP Proxy config response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define dhcp_proxy_config_reply
{
  u32 context;
  i32 retval;
};

/** \brief DHCP Proxy set / unset vss request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param tbl_id - table id
    @param oui - first part of vpn id
    @param fib_id - second part of vpn id
    @param is_ipv6 - ip6 if non-zero, else ip4
    @param is_add - set vss if non-zero, else delete
*/
define dhcp_proxy_set_vss
{
  u32 client_index;
  u32 context;
  u32 tbl_id;
  u32 oui;
  u32 fib_id;
  u8 is_ipv6;
  u8 is_add;
};

/** \brief DHCP proxy set / unset vss response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define dhcp_proxy_set_vss_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set the ip flow hash config for a fib request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vrf_id - vrf/fib id
    @param is_ipv6 - if non-zero the fib is ip6, else ip4
    @param src - if non-zero include src in flow hash
    @param dst - if non-zero include dst in flow hash
    @param sport - if non-zero include sport in flow hash
    @param dport - if non-zero include dport in flow hash
    @param proto -if non-zero include proto in flow hash
    @param reverse - if non-zero include reverse in flow hash
*/
define set_ip_flow_hash
{
  u32 client_index;
  u32 context;
  u32 vrf_id;
  u8 is_ipv6;
  u8 src;
  u8 dst;
  u8 sport;
  u8 dport;
  u8 proto;
  u8 reverse;
};

/** \brief Set the ip flow hash config for a fib response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define set_ip_flow_hash_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPv6 router advertisement config request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param suppress -
    @param managed -
    @param other -
    @param ll_option -
    @param send_unicast -
    @param cease -
    @param is_no -
    @param default_router -
    @param max_interval -
    @param min_interval -
    @param lifetime -
    @param initial_count -
    @param initial_interval -
*/
define sw_interface_ip6nd_ra_config
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 suppress;
  u8 managed;
  u8 other;
  u8 ll_option;
  u8 send_unicast;
  u8 cease;
  u8 is_no;
  u8 default_router;
  u32 max_interval;
  u32 min_interval;
  u32 lifetime;
  u32 initial_count;
  u32 initial_interval;
};

/** \brief IPv6 router advertisement config response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define sw_interface_ip6nd_ra_config_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPv6 router advertisement prefix config request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - 
    @param address[] -
    @param address_length -
    @param use_default -
    @param no_advertise -
    @param off_link -
    @param no_autoconfig -
    @param no_onlink -
    @param is_no -
    @param val_lifetime -
    @param pref_lifetime -
*/
define sw_interface_ip6nd_ra_prefix
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 address[16];
  u8 address_length;
  u8 use_default;
  u8 no_advertise;
  u8 off_link;
  u8 no_autoconfig;
  u8 no_onlink;
  u8 is_no;
  u32 val_lifetime;
  u32 pref_lifetime;
};

/** \brief IPv6 router advertisement prefix config response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define sw_interface_ip6nd_ra_prefix_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPv6 interface enable / disable request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface used to reach neighbor
    @param enable - if non-zero enable ip6 on interface, else disable
*/
define sw_interface_ip6_enable_disable
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 enable;                    /* set to true if enable */
};

/** \brief IPv6 interface enable / disable response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define sw_interface_ip6_enable_disable_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPv6 set link local address on interface request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface to set link local on
    @param address[] - the new link local address
    @param address_length - link local address length
*/
define sw_interface_ip6_set_link_local_address
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 address[16];
  u8 address_length;
};

/** \brief IPv6 set link local address on interface response
    @param context - sender context, to match reply w/ request
    @param retval - error code for the request
*/
define sw_interface_ip6_set_link_local_address_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set unnumbered interface add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface with an IP address
    @param unnumbered_sw_if_index - interface which will use the address
    @param is_add - if non-zero set the association, else unset it
*/
define sw_interface_set_unnumbered
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;              /* use this intfc address */
  u32 unnumbered_sw_if_index;   /* on this interface */
  u8 is_add;
};

/** \brief Set unnumbered interface add / del response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define sw_interface_set_unnumbered_reply
{
  u32 context;
  i32 retval;
};

/** \brief Create loopback interface request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param mac_address - mac addr to assign to the interface if none-zero
*/
define create_loopback
{
  u32 client_index;
  u32 context;
  u8 mac_address[6];
};

/** \brief Create loopback interface response
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface that was created
    @param retval - return code for the request
*/
define create_loopback_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief Delete loopback interface request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface that was created
*/
define delete_loopback
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

/** \brief Delete loopback interface response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define delete_loopback_reply
{
  u32 context;
  i32 retval;
};

/** \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_request
{
  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 Set max allowed ARP or ip6 neighbor entries request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_ipv6 - neighbor limit if non-zero, else ARP limit
    @param arp_neighbor_limit - the new limit, defaults are ~ 50k
*/
define set_arp_neighbor_limit
{
  u32 client_index;
  u32 context;
  u8 is_ipv6;
  u32 arp_neighbor_limit;
};

/** \brief Set max allowed ARP or ip6 neighbor entries response
    @param context - sender context, to match reply w/ request
    @param retval - return code for request
*/
define set_arp_neighbor_limit_reply
{
  u32 context;
  i32 retval;
};

/** \brief L2 interface patch add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param rx_sw_if_index - receive side interface 
    @param tx_sw_if_index - transmit side interface
    @param is_add - if non-zero set up the interface patch, else remove it
*/
define l2_patch_add_del
{
  u32 client_index;
  u32 context;
  u32 rx_sw_if_index;
  u32 tx_sw_if_index;
  u8 is_add;
};

/** \brief L2 interface patch add / del response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define l2_patch_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPv6 segment routing tunnel add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add the tunnel if non-zero, else delete it
    @param name[] - tunnel name (len. 64)
    @param src_address[] -
    @param dst_address[] -
    @param dst_mask_width -
    @param inner_vrf_id -
    @param outer_vrf_id -
    @param flags_net_byte_order -
    @param n_segments -
    @param n_tags -
    @param segs_and_tags[] -
    @param policy_name[] - name of policy to associate this tunnel to (len. 64)
*/
define sr_tunnel_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 name[64];
  u8 src_address[16];
  u8 dst_address[16];
  u8 dst_mask_width;
  u32 inner_vrf_id;
  u32 outer_vrf_id;
  u16 flags_net_byte_order;
  u8 n_segments;
  u8 n_tags;
  u8 segs_and_tags[0];
  u8 policy_name[64];
};

/** \brief IPv6 segment routing tunnel add / del response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define sr_tunnel_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPv6 segment routing policy add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add the tunnel if non-zero, else delete it
    @param name[] - policy name (len. 64)
    @param tunnel_names[] -
*/
define sr_policy_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 name[64];
  u8 tunnel_names[0];
};

/** \brief IPv6 segment routing policy add / del response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define sr_policy_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPv6 segment routing multicast map to policy add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add the tunnel if non-zero, else delete it
    @param multicast_address[] - IP6 multicast address
    @param policy_name[] = policy name (len.64)
*/
define sr_multicast_map_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 multicast_address[16];
  u8 policy_name[64];
};

/** \brief IPv6 segment routing multicast map to policy add / del response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define sr_multicast_map_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Interface set vpath request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface used to reach neighbor
    @param enable - if non-zero enable, else disable
*/
define sw_interface_set_vpath
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 enable;
};

/** \brief Interface set vpath response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define sw_interface_set_vpath_reply
{
  u32 context;
  i32 retval;
};

/** \brief Interface set vxlan-bypass request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface used to reach neighbor
    @param is_ipv6 - if non-zero, enable ipv6-vxlan-bypass, else ipv4-vxlan-bypass
    @param enable - if non-zero enable, else disable
*/
define sw_interface_set_vxlan_bypass
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 is_ipv6;
  u8 enable;
};

/** \brief Interface set vxlan-bypass response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define sw_interface_set_vxlan_bypass_reply
{
  u32 context;
  i32 retval;
};

/** \brief MPLS Ethernet add / del tunnel request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vrf_id - vrf_id, only for IP4
    @param sw_if_index - interface used to reach neighbor
    @param is_add - add if set, tunnel delete if 0
    @param dst_mac_address - 
    @param adj_address - 
    @param adj_address_length -
*/
define mpls_ethernet_add_del_tunnel
{
  u32 client_index;
  u32 context;
  u32 vrf_id;
  u32 tx_sw_if_index;
  u8 is_add;
  u8 l2_only;
  u8 dst_mac_address[6];
  u8 adj_address[4];
  u8 adj_address_length;
};

/** \brief Reply for MPLS Ethernet add / delete tunnel request
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define mpls_ethernet_add_del_tunnel_reply
{
  u32 context;
  i32 retval;
  u32 tunnel_sw_if_index;
};
/** \brief MPLS Ethernet add/ del tunnel 2
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param inner_vrf_id - 
    @param outer_vrf_id - 
    @param resolve_attempts - 
    @param resolve_opaque - 
    @param resolve_if_needed -
    @param is_add -
    @param adj_address -
    @param adj_address_length -
    @param next_hop_ip4_address_in_outer_vrf -
*/
define mpls_ethernet_add_del_tunnel_2
{
  u32 client_index;
  u32 context;
  u32 inner_vrf_id;
  u32 outer_vrf_id;
  u32 resolve_attempts;
  u32 resolve_opaque;           /* no need to set this */
  u8 resolve_if_needed;
  u8 is_add;
  u8 l2_only;
  u8 adj_address[4];
  u8 adj_address_length;
  u8 next_hop_ip4_address_in_outer_vrf[4];
};

/** \brief MPLS Ethernet add/ del tunnel 2
    @param context - sender context, to match reply w/ request
    @param retval - return code for add /del request
*/
define mpls_ethernet_add_del_tunnel_2_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set L2 XConnect between two interfaces request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param rx_sw_if_index - Receive interface index
    @param tx_sw_if_index - Transmit interface index
    @param enable - enable xconnect if not 0, else set to L3 mode
*/
define sw_interface_set_l2_xconnect
{
  u32 client_index;
  u32 context;
  u32 rx_sw_if_index;
  u32 tx_sw_if_index;
  u8 enable;
};

/** \brief Set L2 XConnect response
    @param context - sender context, to match reply w/ request
    @param retval - L2 XConnect request return code
*/
define sw_interface_set_l2_xconnect_reply
{
  u32 context;
  i32 retval;
};

/** \brief Interface bridge mode request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param rx_sw_if_index - the interface
    @param bd_id - bridge domain id
    @param bvi - Setup interface as a bvi, bridge mode only
    @param shg - Shared horizon group, for bridge mode only
    @param enable - Enable beige mode if not 0, else set to L3 mode
*/
define sw_interface_set_l2_bridge
{
  u32 client_index;
  u32 context;
  u32 rx_sw_if_index;
  u32 bd_id;
  u8 shg;
  u8 bvi;
  u8 enable;
};

/** \brief Interface bridge mode response
    @param context - sender context, to match reply w/ request
    @param retval - Bridge mode request return code
*/
define sw_interface_set_l2_bridge_reply
{
  u32 context;
  i32 retval;
};

/** \brief L2 FIB add entry request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param mac - the entry's mac address
    @param bd_id - the entry's bridge domain id
    @param sw_if_index - the interface
    @param is_add - If non zero add the entry, else delete it
    @param static_mac - 
    @param filter_mac -
*/
define l2fib_add_del
{
  u32 client_index;
  u32 context;
  u64 mac;
  u32 bd_id;
  u32 sw_if_index;
  u8 is_add;
  u8 static_mac;
  u8 filter_mac;
  u8 bvi_mac;
};

/** \brief L2 FIB add entry response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the add l2fib entry request
*/
define l2fib_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set L2 flags request !!! TODO - need more info, feature bits in l2_input.h
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface 
    @param is_set - if non-zero, set the bits, else clear them
    @param feature_bitmap - non-zero bits to set or clear
*/
define l2_flags
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 is_set;
  u32 feature_bitmap;
};

/** \brief Set L2 bits response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the set l2 bits request
*/
define l2_flags_reply
{
  u32 context;
  i32 retval;
  u32 resulting_feature_bitmap;
};

/** \brief Set bridge flags (such as L2_LEARN, L2_FWD, L2_FLOOD, 
    L2_UU_FLOOD, or L2_ARP_TERM) request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param bd_id - the bridge domain to set the flags for
    @param is_set - if non-zero, set the flags, else clear them
    @param feature_bitmap - bits that are non-zero to set or clear
*/
define bridge_flags
{
  u32 client_index;
  u32 context;
  u32 bd_id;
  u8 is_set;
  u32 feature_bitmap;
};

/** \brief Set bridge flags response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the set bridge flags request
    @param resulting_feature_bitmap - the feature bitmap value after the request is implemented
*/
define bridge_flags_reply
{
  u32 context;
  i32 retval;
  u32 resulting_feature_bitmap;
};

/** \brief Set bridge domain ip to mac entry request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param bd_id - the bridge domain to set the flags for
    @param is_add - if non-zero, add the entry, else clear it
    @param is_ipv6 - if non-zero, ipv6 address, else ipv4 address
    @param mac_address - MAC address
    @param 
*/
define bd_ip_mac_add_del
{
  u32 client_index;
  u32 context;
  u32 bd_id;
  u8 is_add;
  u8 is_ipv6;
  u8 ip_address[16];
  u8 mac_address[6];
};

/** \brief Set bridge domain ip to mac entry response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the set bridge flags request
*/
define bd_ip_mac_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Add/Delete classification table request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add- if non-zero add the table, else delete it
    @param table_index - if add, reuturns index of the created table, else specifies the table to delete  
    @param nbuckets - number of buckets when adding a table
    @param memory_size - memory size when adding a table
    @param match_n_vectors - number of match vectors
    @param next_table_index - index of next table
    @param miss_next_index - index of miss table
    @param current_data_flag - option to use current node's packet payload
            as the starting point from where packets are classified,
            This option is only valid for L2/L3 input ACL for now.
            0: by default, classify data from the buffer's start location
            1: classify packets from VPP node’s current data pointer
    @param current_data_offset - a signed value to shift the start location of
            the packet to be classified
            For example, if input IP ACL node is used, L2 header’s first byte
            can be accessible by configuring current_data_offset to -14
            if there is no vlan tag.
            This is valid only if current_data_flag is set to 1.
    @param mask[] - match mask
*/
define classify_add_del_table
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u32 table_index;
  u32 nbuckets;
  u32 memory_size;
  u32 skip_n_vectors;
  u32 match_n_vectors;
  u32 next_table_index;
  u32 miss_next_index;
  u32 current_data_flag;
  i32 current_data_offset;
  u8 mask[0];
};

/** \brief Add/Delete classification table response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the table add/del requst
    @param new_table_index - for add, returned index of the new table
    @param skip_n_vectors - for add, returned value of skip_n_vectors in table
    @param match_n_vectors -for add, returned value of match_n_vectors in table
*/
define classify_add_del_table_reply
{
  u32 context;
  i32 retval;
  u32 new_table_index;
  u32 skip_n_vectors;
  u32 match_n_vectors;
};

/** \brief Classify add / del session request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add session if non-zero, else delete
    @param table_index - index of the table to add/del the session, required
    @param hit_next_index - for add, hit_next_index of new session, required
    @param opaque_index - for add, opaque_index of new session
    @param advance -for add, advance value for session
    @param action -
           0: no action (by default)
              metadata is not used.
           1: Classified IP packets will be looked up from the
              specified ipv4 fib table (configured by metadata as VRF id).
              Only valid for L3 input ACL node
           2: Classified IP packets will be looked up from the
              specified ipv6 fib table (configured by metadata as VRF id).
              Only valid for L3 input ACL node
    @param metadata - valid only if action != 0
           VRF id if action is 1 or 2.
    @param match[] - for add, match value for session, required
*/
define classify_add_del_session
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u32 table_index;
  u32 hit_next_index;
  u32 opaque_index;
  i32 advance;
  u8 action;
  u32 metadata;
  u8 match[0];
};

/** \brief Classify add / del session response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the add/del session request
*/
define classify_add_del_session_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set/unset the classification table for an interface request 
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_ipv6 - ipv6 if non-zero, else ipv4
    @param sw_if_index - interface to associate with the table
    @param table_index - index of the table, if ~0 unset the table
*/
define classify_set_interface_ip_table
{
  u32 client_index;
  u32 context;
  u8 is_ipv6;
  u32 sw_if_index;
  u32 table_index;              /* ~0 => off */
};

/** \brief Set/unset interface classification table response 
    @param context - sender context, to match reply w/ request
    @param retval - return code
*/
define classify_set_interface_ip_table_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set/unset l2 classification tables for an interface request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface to set/unset tables for
    @param ip4_table_index - ip4 index, use ~0 for all 3 indexes to unset
    @param ip6_table_index - ip6 index
    @param other_table_index - other index
*/
define classify_set_interface_l2_tables
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  /* 3 x ~0 => off */
  u32 ip4_table_index;
  u32 ip6_table_index;
  u32 other_table_index;
  u8 is_input;
};

/** \brief Set/unset l2 classification tables for an interface response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define classify_set_interface_l2_tables_reply
{
  u32 context;
  i32 retval;
};

/** \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 DHCP Proxy config 2 add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param rx_vrf_id - receive vrf id
    @param server_vrf_id - server vrf id
    @param if_ipv6 - ipv6 if non-zero, else ipv4
    @param is_add - add the config if non-zero, else delete
    @param insert_circuit_id - option82 suboption 1 fib number
    @param dhcp_server[] - server address
    @param dhcp_src_address[] - <fix this, need details>
*/
define dhcp_proxy_config_2
{
  u32 client_index;
  u32 context;
  u32 rx_vrf_id;
  u32 server_vrf_id;
  u8 is_ipv6;
  u8 is_add;
  u8 insert_circuit_id;
  u8 dhcp_server[16];
  u8 dhcp_src_address[16];
};

/** \brief DHCP Proxy config 2 add / del response
    @param context - sender context, to match reply w/ request
    @param retval - return code for request
*/
define dhcp_proxy_config_2_reply
{
  u32 context;
  i32 retval;
};

/** \brief l2tpv3 tunnel interface create request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param client_address - remote client tunnel ip address
    @param client_address - local tunnel ip address
    @param is_ipv6 - ipv6 if non-zero, else ipv4
    @param local_session_id - local tunnel session id
    @param remote_session_id - remote tunnel session id
    @param local_cookie - local tunnel cookie
    @param l2_sublayer_present - l2 sublayer is present in packets if non-zero
    @param encap_vrf_id - fib identifier used for outgoing encapsulated packets
*/
define l2tpv3_create_tunnel
{
  u32 client_index;
  u32 context;
  u8 client_address[16];
  u8 our_address[16];
  u8 is_ipv6;
  u32 local_session_id;
  u32 remote_session_id;
  u64 local_cookie;
  u64 remote_cookie;
  u8 l2_sublayer_present;
  u32 encap_vrf_id;
};

/** \brief l2tpv3 tunnel interface create response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
    @param sw_if_index - index of the new tunnel interface
*/
define l2tpv3_create_tunnel_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

define l2tpv3_set_tunnel_cookies
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u64 new_local_cookie;
  u64 new_remote_cookie;
};

/** \brief L2TP tunnel set cookies response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define l2tpv3_set_tunnel_cookies_reply
{
  u32 context;
  i32 retval;
};

define sw_if_l2tpv3_tunnel_details
{
  u32 context;
  u32 sw_if_index;
  u8 interface_name[64];
  u8 client_address[16];
  u8 our_address[16];
  u32 local_session_id;
  u32 remote_session_id;
  u64 local_cookie[2];
  u64 remote_cookie;
  u8 l2_sublayer_present;
};

define sw_if_l2tpv3_tunnel_dump
{
  u32 client_index;
  u32 context;
};

/** \brief L2 fib clear table request, clear all mac entries in the l2 fib
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define l2_fib_clear_table
{
  u32 client_index;
  u32 context;
};

/** \brief L2 fib clear table response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define l2_fib_clear_table_reply
{
  u32 context;
  i32 retval;
};

/** \brief L2 interface ethernet flow point filtering enable/disable request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface to enable/disable filtering on
    @param enable_disable - if non-zero enable filtering, else disable
*/
define l2_interface_efp_filter
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 enable_disable;
};

/** \brief L2 interface ethernet flow point filtering response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define l2_interface_efp_filter_reply
{
  u32 context;
  i32 retval;
};

define l2tpv3_interface_enable_disable
{
  u32 client_index;
  u32 context;
  u8 enable_disable;
  u32 sw_if_index;
};

define l2tpv3_interface_enable_disable_reply
{
  u32 context;
  i32 retval;
};

define l2tpv3_set_lookup_key
{
  u32 client_index;
  u32 context;
  /* 0 = ip6 src_address, 1 = ip6 dst_address, 2 = session_id */
  u8 key;
};

define l2tpv3_set_lookup_key_reply
{
  u32 context;
  i32 retval;
};

define vxlan_add_del_tunnel
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 is_ipv6;
  u8 src_address[16];
  u8 dst_address[16];
  u32 mcast_sw_if_index;
  u32 encap_vrf_id;
  u32 decap_next_index;
  u32 vni;
};

define vxlan_add_del_tunnel_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

define vxlan_tunnel_dump
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

define vxlan_tunnel_details
{
  u32 context;
  u32 sw_if_index;
  u8 src_address[16];
  u8 dst_address[16];
  u32 mcast_sw_if_index;
  u32 encap_vrf_id;
  u32 decap_next_index;
  u32 vni;
  u8 is_ipv6;
};

define gre_add_del_tunnel
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 is_ipv6;
  u8 teb;
  u8 src_address[16];
  u8 dst_address[16];
  u32 outer_fib_id;
};

define gre_add_del_tunnel_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

define gre_tunnel_dump
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

define gre_tunnel_details
{
  u32 context;
  u32 sw_if_index;
  u8 is_ipv6;
  u8 teb;
  u8 src_address[16];
  u8 dst_address[16];
  u32 outer_fib_id;
};

/** \brief L2 interface vlan tag rewrite configure request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface the operation is applied to
    @param vtr_op - Choose from l2_vtr_op_t enum values
    @param push_dot1q - first pushed flag dot1q id set, else dot1ad
    @param tag1 - Needed for any push or translate vtr op
    @param tag2 - Needed for any push 2 or translate x-2 vtr ops
*/
define l2_interface_vlan_tag_rewrite
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 vtr_op;
  u32 push_dot1q;               // ethertype of first pushed tag is dot1q/dot1ad
  u32 tag1;                     // first pushed tag
  u32 tag2;                     // second pushed tag
};

/** \brief L2 interface vlan tag rewrite response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define l2_interface_vlan_tag_rewrite_reply
{
  u32 context;
  i32 retval;
};

/** \brief vhost-user interface create request
    @param client_index - opaque cookie to identify the sender
    @param is_server - our side is socket server
    @param sock_filename - unix socket filename, used to speak with frontend
    @param use_custom_mac - enable or disable the use of the provided hardware address
    @param mac_address - hardware address to use if 'use_custom_mac' is set
*/
define create_vhost_user_if
{
  u32 client_index;
  u32 context;
  u8 is_server;
  u8 sock_filename[256];
  u8 renumber;
  u32 custom_dev_instance;
  u8 use_custom_mac;
  u8 mac_address[6];
  u8 tag[64];
};

/** \brief vhost-user interface create response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
    @param sw_if_index - interface the operation is applied to
*/
define create_vhost_user_if_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief vhost-user interface modify request
    @param client_index - opaque cookie to identify the sender
    @param is_server - our side is socket server
    @param sock_filename - unix socket filename, used to speak with frontend
*/
define modify_vhost_user_if
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 is_server;
  u8 sock_filename[256];
  u8 renumber;
  u32 custom_dev_instance;
};

/** \brief vhost-user interface modify response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define modify_vhost_user_if_reply
{
  u32 context;
  i32 retval;
};

/** \brief vhost-user interface delete request
    @param client_index - opaque cookie to identify the sender
*/
define delete_vhost_user_if
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

/** \brief vhost-user interface delete response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define delete_vhost_user_if_reply
{
  u32 context;
  i32 retval;
};

define create_subif
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 sub_id;

  /* These fields map directly onto the subif template */
  u8 no_tags;
  u8 one_tag;
  u8 two_tags;
  u8 dot1ad;                    // 0 = dot1q, 1=dot1ad
  u8 exact_match;
  u8 default_sub;
  u8 outer_vlan_id_any;
  u8 inner_vlan_id_any;
  u16 outer_vlan_id;
  u16 inner_vlan_id;
};

define create_subif_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_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];
};

/** \brief Vhost-user interface details structure (fix this)
    @param sw_if_index - index of the interface
    @param interface_name - name of interface
    @param virtio_net_hdr_sz - net header size
    @param features - interface features
    @param is_server - vhost-user server socket
    @param sock_filename - socket filename
    @param num_regions - number of used memory regions
*/
define sw_interface_vhost_user_details
{
  u32 context;
  u32 sw_if_index;
  u8 interface_name[64];
  u32 virtio_net_hdr_sz;
  u64 features;
  u8 is_server;
  u8 sock_filename[256];
  u32 num_regions;
  i32 sock_errno;
};

/* works */
define sw_interface_vhost_user_dump
{
  u32 client_index;
  u32 context;
};

define ip_address_details
{
  u32 client_index;
  u32 context;
  u8 ip[16];
  u8 prefix_length;
};

define ip_address_dump
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 is_ipv6;
};

define ip_details
{
  u32 sw_if_index;
  u32 context;
};

define ip_dump
{
  u32 client_index;
  u32 context;
  u8 is_ipv6;
};

/** \brief l2 fib table entry structure
    @param bd_id - the l2 fib / bridge domain table id
    @param mac - the entry's mac address
    @param sw_if_index - index of the interface
    @param static_mac - the entry is statically configured.
    @param filter_mac - the entry is a mac filter entry.
    @param bvi_mac - the mac address is a bridge virtual interface
*/
define l2_fib_table_entry
{
  u32 context;
  u32 bd_id;
  u64 mac;
  u32 sw_if_index;
  u8 static_mac;
  u8 filter_mac;
  u8 bvi_mac;
};

/** \brief Dump l2 fib (aka bridge domain) table
    @param client_index - opaque cookie to identify the sender
    @param bd_id - the l2 fib / bridge domain table identifier
*/
define l2_fib_table_dump
{
  u32 client_index;
  u32 context;
  u32 bd_id;
};

define vxlan_gpe_add_del_tunnel
{
  u32 client_index;
  u32 context;
  u8 is_ipv6;
  u8 local[16];
  u8 remote[16];
  u32 encap_vrf_id;
  u32 decap_vrf_id;
  u8 protocol;
  u32 vni;
  u8 is_add;
};

define vxlan_gpe_add_del_tunnel_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

define vxlan_gpe_tunnel_dump
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

define vxlan_gpe_tunnel_details
{
  u32 context;
  u32 sw_if_index;
  u8 local[16];
  u8 remote[16];
  u32 vni;
  u8 protocol;
  u32 encap_vrf_id;
  u32 decap_vrf_id;
  u8 is_ipv6;
};

/** \brief add or delete locator_set
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param locator_set_name - locator name
    @param locator_num - number of locators
    @param locators - LISP locator records
        Structure of one locator record is as follows:

        define locator_t {
          u32 sw_if_index;
          u8 priority;
          u8 weight;
        }
*/
define lisp_add_del_locator_set
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 locator_set_name[64];
  u32 locator_num;
  u8 locators[0];
};

/** \brief Reply for locator_set add/del
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
    @param ls_index - locator set index
*/
define lisp_add_del_locator_set_reply
{
  u32 context;
  i32 retval;
  u32 ls_index;
};

/** \brief add or delete locator for locator_set
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param locator_set_name - name of locator_set to add/del locator
    @param sw_if_index - index of the interface
    @param priority - priority of the lisp locator
    @param weight - weight of the lisp locator
*/
define lisp_add_del_locator
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 locator_set_name[64];
  u32 sw_if_index;
  u8 priority;
  u8 weight;
};

/** \brief Reply for locator add/del
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_add_del_locator_reply
{
  u32 context;
  i32 retval;
};

/** \brief add or delete lisp eid-table
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param eid_type:
      0 : ipv4
      1 : ipv6
      2 : mac
    @param eid - EID can be ip4, ip6 or mac
    @param prefix_len - prefix len
    @param locator_set_name - name of locator_set to add/del eid-table
    @param vni - virtual network instance
*/
define lisp_add_del_local_eid
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 eid_type;
  u8 eid[16];
  u8 prefix_len;
  u8 locator_set_name[64];
  u32 vni;
};

/** \brief Reply for local_eid add/del
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_add_del_local_eid_reply
{
  u32 context;
  i32 retval;
};

/** \brief add or delete lisp gpe tunnel
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param eid_type -
      0 : ipv4
      1 : ipv6
      2 : mac
    @param rmt_eid - remote eid
    @param lcl_eid - local eid
    @param rmt_len - remote prefix len
    @param lcl_len - local prefix len
    @param vni - virtual network identifier
    @param dp_table - vrf/bridge domain id
    @param loc_num - number of locators
    @param lcl_locs - array of local locators
    @param rmt_locs - array of remote locators
    @param action - negative action when 0 locators configured
*/
define lisp_gpe_add_del_fwd_entry
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 eid_type;
  u8 rmt_eid[16];
  u8 lcl_eid[16];
  u8 rmt_len;
  u8 lcl_len;
  u32 vni;
  u32 dp_table;
  u32 loc_num;
  u8 lcl_locs[loc_num];
  u8 rmt_locs[loc_num];
  u8 action;
};

/** \brief Reply for gpe_fwd_entry add/del
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_gpe_add_del_fwd_entry_reply
{
  u32 context;
  i32 retval;
};

/** \brief add or delete map-resolver
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param is_ipv6 - if non-zero the address is ipv6, else ipv4
    @param ip_address - array of address bytes
*/
define lisp_add_del_map_resolver
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 is_ipv6;
  u8 ip_address[16];
};

/** \brief Reply for map_resolver add/del
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_add_del_map_resolver_reply
{
  u32 context;
  i32 retval;
};

/** \brief enable or disable lisp-gpe protocol
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_en - enable protocol if non-zero, else disable
*/
define lisp_gpe_enable_disable
{
  u32 client_index;
  u32 context;
  u8 is_en;
};

/** \brief Reply for gpe enable/disable
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_gpe_enable_disable_reply
{
  u32 context;
  i32 retval;
};

/** \brief enable or disable LISP feature
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_en - enable protocol if non-zero, else disable
*/
define lisp_enable_disable
{
  u32 client_index;
  u32 context;
  u8 is_en;
};

/** \brief Reply for gpe enable/disable
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_enable_disable_reply
{
  u32 context;
  i32 retval;
};

/** \brief add or delete gpe_iface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
*/
define lisp_gpe_add_del_iface
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 is_l2;
  u32 dp_table;
  u32 vni;
};

/** \brief Reply for gpe_iface add/del
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_gpe_add_del_iface_reply
{
  u32 context;
  i32 retval;
};

/** \brief configure or disable LISP PITR node
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param ls_name - locator set name
    @param is_add - add locator set if non-zero, else disable pitr
*/
define lisp_pitr_set_locator_set
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 ls_name[64];
};

/** \brief Reply for lisp_pitr_set_locator_set
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_pitr_set_locator_set_reply
{
  u32 context;
  i32 retval;
};

/** \brief set LISP map-request mode. Based on configuration VPP will send
      src/dest or just normal destination map requests.
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param mode - new map-request mode. Supported values are:
      0 - destination only
      1 - source/destaination
*/
define lisp_map_request_mode
{
  u32 client_index;
  u32 context;
  u8 mode;
};

/** \brief Reply for lisp_map_request_mode
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_map_request_mode_reply
{
  u32 context;
  i32 retval;
};

/** \brief Request for LISP map-request mode
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define show_lisp_map_request_mode
{
  u32 client_index;
  u32 context;
};

/** \brief Reply for show_lisp_map_request_mode
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
    @param mode - map-request mode
*/
define show_lisp_map_request_mode_reply
{
  u32 context;
  i32 retval;
  u8 mode;
};

/** \brief add or delete remote static mapping
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param is_src_dst - flag indicating src/dst based routing policy
    @param del_all - if set, delete all remote mappings
    @param vni - virtual network instance
    @param action - negative map-reply action
    @param eid_type -
      0 : ipv4
      1 : ipv6
      2 : mac
    @param deid - dst EID
    @param seid - src EID, valid only if is_src_dst is enabled
    @param rloc_num - number of remote locators
    @param rlocs - remote locator records
        Structure of remote locator:

        define rloc_t {
          u8 is_ip4;
          u8 priority;
          u8 weight;
          u8 addr[16];
        }
*/
define lisp_add_del_remote_mapping
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 is_src_dst;
  u8 del_all;
  u32 vni;
  u8 action;
  u8 eid_type;
  u8 eid[16];
  u8 eid_len;
  u8 seid[16];
  u8 seid_len;
  u32 rloc_num;
  u8 rlocs[0];
};

/** \brief Reply for lisp_add_del_remote_mapping
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_add_del_remote_mapping_reply
{
  u32 context;
  i32 retval;
};

/** \brief add or delete LISP adjacency adjacency
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param vni - virtual network instance
    @param eid_type -
      0 : ipv4
      1 : ipv6
      2 : mac
    @param reid - remote EID
    @param leid - local EID
*/
define lisp_add_del_adjacency
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u32 vni;
  u8 eid_type;
  u8 reid[16];
  u8 leid[16];
  u8 reid_len;
  u8 leid_len;
};

/** \brief Reply for lisp_add_del_adjacency
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_add_del_adjacency_reply
{
  u32 context;
  i32 retval;
};

/** \brief add or delete map request itr rlocs
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add address if non-zero, else delete
    @param locator_set_name - locator set name
*/
define lisp_add_del_map_request_itr_rlocs
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u8 locator_set_name[64];
};

/** \brief Reply for lisp_add_del_map_request_itr_rlocs
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/

define lisp_add_del_map_request_itr_rlocs_reply
{
  u32 context;
  i32 retval;
};

/** \brief map/unmap vni/bd_index to vrf
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add or delete mapping
    @param dp_table - virtual network id/bridge domain index
    @param vrf - vrf
*/
define lisp_eid_table_add_del_map
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u32 vni;
  u32 dp_table;
  u8 is_l2;
};

/** \brief Reply for lisp_eid_table_add_del_map
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define lisp_eid_table_add_del_map_reply
{
  u32 context;
  i32 retval;
};

/** \brief Request for map lisp locator status
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param locator_set_index - index of locator_set
    @param ls_name - locator set name
    @param is_index_set - flag indicating whether ls_name or ls_index is set
 */
define lisp_locator_dump
{
  u32 client_index;
  u32 context;
  u32 ls_index;
  u8 ls_name[64];
  u8 is_index_set;
};

/** \brief LISP locator_set status
    @param local - if is set, then locator is local
    @param locator_set_name - name of the locator_set
    @param sw_if_index - sw_if_index of the locator
    @param priority - locator priority
    @param weight - locator weight
  */
define lisp_locator_details
{
  u32 context;
  u8 local;
  u32 sw_if_index;
  u8 is_ipv6;
  u8 ip_address[16];
  u8 priority;
  u8 weight;
};

/** \brief LISP locator_set status
    @param context - sender context, to match reply w/ request
    @param ls_index - locator set index
    @param ls_name - name of the locator set
 */
define lisp_locator_set_details
{
  u32 context;
  u32 ls_index;
  u8 ls_name[64];
};

/** \brief Request for locator_set summary status
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param filter - filter type
      Supported values:
        0: all locator sets
        1: local locator sets
        2: remote locator sets
 */
define lisp_locator_set_dump
{
  u32 client_index;
  u32 context;
  u8 filter;
};

/** \brief Dump lisp eid-table
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param locator_set_index - index of locator_set, if ~0 then the mapping
                                is negative
    @param action - negative map request action
    @param is_local - local if non-zero, else remote
    @param eid_type:
      0 : ipv4
      1 : ipv6
      2 : mac
    @param is_src_dst - EID is type of source/destination
    @param eid - EID can be ip4, ip6 or mac
    @param eid_prefix_len - prefix length
    @param seid - source EID can be ip4, ip6 or mac
    @param seid_prefix_len - source prefix length
    @param vni - virtual network instance
    @param ttl - time to live
    @param authoritative - authoritative
*/

define lisp_eid_table_details
{
  u32 context;
  u32 locator_set_index;
  u8 action;
  u8 is_local;
  u8 eid_type;
  u8 is_src_dst;
  u32 vni;
  u8 eid[16];
  u8 eid_prefix_len;
  u8 seid[16];
  u8 seid_prefix_len;
  u32 ttl;
  u8 authoritative;
};

/** \brief Request for eid table summary status
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param eid_set - if non-zero request info about specific mapping
    @param vni - virtual network instance; valid only if eid_set != 0
    @param prefix_length - prefix length if EID is IP address;
      valid only if eid_set != 0
    @param eid_type - EID type; valid only if eid_set != 0
      Supported values:
        0: EID is IPv4
        1: EID is IPv6
        2: EID is ethernet address
    @param eid - endpoint identifier
    @param filter - filter type;
      Support values:
        0: all eid
        1: local eid
        2: remote eid
 */
define lisp_eid_table_dump
{
  u32 client_index;
  u32 context;
  u8 eid_set;
  u8 prefix_length;
  u32 vni;
  u8 eid_type;
  u8 eid[16];
  u8 filter;
};

/** \brief LISP adjacency
    @param eid_type -
      0 : ipv4
      1 : ipv6
      2 : mac
    @param reid - remote EID
    @param leid - local EID
    @param reid_prefix_len - remote EID IP prefix length
    @param leid_prefix_len - local EID IP prefix length
  */
typeonly manual_print manual_endian define lisp_adjacency
{
  u8 eid_type;
  u8 reid[16];
  u8 leid[16];
  u8 reid_prefix_len;
  u8 leid_prefix_len;
};

/** \brief LISP adjacency reply
    @param count - number of adjacencies
    @param adjacencies - array of adjacencies
  */
manual_endian manual_print define lisp_adjacencies_get_reply
{
  u32 context;
  i32 retval;
  u32 count;
  vl_api_lisp_adjacency_t adjacencies[count];
};

/** \brief Request for LISP adjacencies
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vni - filter adjacencies by VNI
 */
define lisp_adjacencies_get
{
  u32 client_index;
  u32 context;
  u32 vni;
};

/** \brief Shows relationship between vni and vrf/bd
    @param dp_table - VRF index or bridge domain index
    @param vni - vitual network instance
  */
define lisp_eid_table_map_details
{
  u32 context;
  u32 vni;
  u32 dp_table;
};

/** \brief Request for lisp_eid_table_map_details
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_l2 - if set dump vni/bd mappings else vni/vrf
 */
define lisp_eid_table_map_dump
{
  u32 client_index;
  u32 context;
  u8 is_l2;
};

/** \brief Dumps all VNIs used in mappings
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
  */
define lisp_eid_table_vni_dump
{
  u32 client_index;
  u32 context;
};

/** \brief reply to lisp_eid_table_vni_dump
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param vni - virtual network instance
 */
define lisp_eid_table_vni_details
{
  u32 client_index;
  u32 context;
  u32 vni;
};

define lisp_gpe_tunnel_details
{
  u32 context;
  u32 tunnels;
  u8 is_ipv6;
  u8 source_ip[16];
  u8 destination_ip[16];
  u32 encap_fib_id;
  u32 decap_fib_id;
  u32 dcap_next;
  u8 lisp_ver;
  u8 next_protocol;
  u8 flags;
  u8 ver_res;
  u8 res;
  u32 iid;
};

/** \brief Request for gpe tunnel summary status
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
 */
define lisp_gpe_tunnel_dump
{
  u32 client_index;
  u32 context;
};

/** \brief LISP map resolver status
    @param locator_set_name - name of the locator_set
    @param is_ipv6 - if non-zero the address is ipv6, else ipv4
    @param ip_address - array of address bytes
 */
define lisp_map_resolver_details
{
  u32 context;
  u8 is_ipv6;
  u8 ip_address[16];
};

/** \brief Request for map resolver summary status
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
 */
define lisp_map_resolver_dump
{
  u32 client_index;
  u32 context;
};

/** \brief Request for lisp-gpe protocol status
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define show_lisp_status
{
  u32 client_index;
  u32 context;
};

/** \brief Status of lisp, enable or disable
    @param context - sender context, to match reply w/ request
    @param feature_status - lisp enable if non-zero, else disable
    @param gpe_status - lisp enable if non-zero, else disable
*/
define show_lisp_status_reply
{
  u32 context;
  i32 retval;
  u8 feature_status;
  u8 gpe_status;
};

/** \brief Get LISP map request itr rlocs status
    @param context - sender context, to match reply w/ request
    @param locator_set_name - name of the locator_set
 */
define lisp_get_map_request_itr_rlocs
{
  u32 client_index;
  u32 context;
};

/** \brief Request for map request itr rlocs summary status
 */
define lisp_get_map_request_itr_rlocs_reply
{
  u32 context;
  i32 retval;
  u8 locator_set_name[64];
};

/** \brief Request for lisp pitr status
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define show_lisp_pitr
{
  u32 client_index;
  u32 context;
};

/** \brief Status of lisp pitr, enable or disable
    @param context - sender context, to match reply w/ request
    @param status - lisp pitr enable if non-zero, else disable
    @param locator_set_name -  name of the locator_set
*/
define show_lisp_pitr_reply
{
  u32 context;
  i32 retval;
  u8 status;
  u8 locator_set_name[64];
};

/* Gross kludge, DGMS */
define interface_name_renumber
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 new_show_dev_instance;
};

define interface_name_renumber_reply
{
  u32 context;
  i32 retval;
};

/** \brief Register for ip4 arp resolution events
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 => register for events, 0 => cancel registration
    @param pid - sender's pid
    @param address - the exact ip4 address of interest
*/
define want_ip4_arp_events
{
  u32 client_index;
  u32 context;
  u8 enable_disable;
  u32 pid;
  u32 address;
};

/** \brief Reply for interface events registration
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define want_ip4_arp_events_reply
{
  u32 context;
  i32 retval;
};

/** \brief Tell client about an ip4 arp resolution event
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param address - the exact ip4 address of interest
    @param pid - client pid registered to receive notification
    @param sw_if_index - interface which received ARP packet
    @param new_mac - the new mac address 
    @param mac_ip - 0: resolution event, 1: mac/ip binding in bd
*/
define ip4_arp_event
{
  u32 client_index;
  u32 context;
  u32 address;
  u32 pid;
  u32 sw_if_index;
  u8 new_mac[6];
  u8 mac_ip;
};

/** \brief Register for ip6 nd resolution events
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 => register for events, 0 => cancel registration
    @param pid - sender's pid
    @param address - the exact ip6 address of interest
*/
define want_ip6_nd_events
{
  u32 client_index;
  u32 context;
  u8 enable_disable;
  u32 pid;
  u8 address[16];
};

/** \brief Reply for ip6 nd resolution events registration
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define want_ip6_nd_events_reply
{
  u32 context;
  i32 retval;
};

/** \brief Tell client about an ip6 nd resolution or mac/ip event
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param pid - client pid registered to receive notification
    @param sw_if_index - interface which received ARP packet
    @param address - the exact ip6 address of interest
    @param new_mac - the new mac address 
    @param mac_ip - 0: resolution event, 1: mac/ip binding in bd
*/
define ip6_nd_event
{
  u32 client_index;
  u32 context;
  u32 pid;
  u32 sw_if_index;
  u8 address[16];
  u8 new_mac[6];
  u8 mac_ip;
};
    
/** \brief L2 bridge domain add or delete request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param bd_id - the bridge domain to create
    @param flood - enable/disable bcast/mcast flooding in the bd
    @param uu_flood - enable/disable uknown unicast flood in the bd
    @param forward - enable/disable forwarding on all interfaces in the bd
    @param learn - enable/disable learning on all interfaces in the bd
    @param arp_term - enable/disable arp termination in the bd
    @param is_add - add or delete flag
*/
define bridge_domain_add_del
{
  u32 client_index;
  u32 context;
  u32 bd_id;
  u8 flood;
  u8 uu_flood;
  u8 forward;
  u8 learn;
  u8 arp_term;
  u8 is_add;
};

/** \brief L2 bridge domain add or delete response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the set bridge flags request
*/
define bridge_domain_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief L2 bridge domain request operational state details
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param bd_id - the bridge domain id desired or ~0 to request all bds
*/
define bridge_domain_dump
{
  u32 client_index;
  u32 context;
  u32 bd_id;
};

/** \brief L2 bridge domain operational state response
    @param bd_id - the bridge domain id
    @param flood - bcast/mcast flooding state on all interfaces in the bd
    @param uu_flood - uknown unicast flooding state on all interfaces in the bd
    @param forward - forwarding state on all interfaces in the bd
    @param learn - learning state on all interfaces in the bd
    @param arp_term - arp termination state on all interfaces in the bd
    @param n_sw_ifs - number of sw_if_index's in the domain
*/
define bridge_domain_details
{
  u32 context;
  u32 bd_id;
  u8 flood;
  u8 uu_flood;
  u8 forward;
  u8 learn;
  u8 arp_term;
  u32 bvi_sw_if_index;
  u32 n_sw_ifs;
};

/** \brief L2 bridge domain sw interface operational state response
    @param bd_id - the bridge domain id
    @param sw_if_index - sw_if_index in the domain
    @param shg - split horizon group for the interface
*/
define bridge_domain_sw_if_details
{
  u32 context;
  u32 bd_id;
  u32 sw_if_index;
  u8 shg;
};

/** \brief DHCP Client config add / del request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of the interface for DHCP client
    @param hostname - hostname
    @param is_add - add the config if non-zero, else delete
    @param want_dhcp_event - DHCP event sent to the sender
           via dhcp_compl_event API message if non-zero
    @param pid - sender's pid
*/
define dhcp_client_config
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 hostname[64];
  u8 is_add;
  u8 want_dhcp_event;
  u32 pid;
};

/** \brief DHCP Client config response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define dhcp_client_config_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set/unset input ACL interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface to set/unset input ACL
    @param ip4_table_index - ip4 classify table index (~0 for skip)
    @param ip6_table_index - ip6 classify table index (~0 for skip)
    @param l2_table_index  -  l2 classify table index (~0 for skip)
    @param is_add - Set input ACL if non-zero, else unset
    Note: User is recommeneded to use just one valid table_index per call.
          (ip4_table_index, ip6_table_index, or l2_table_index)
*/
define input_acl_set_interface
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 ip4_table_index;
  u32 ip6_table_index;
  u32 l2_table_index;
  u8 is_add;
};

/** \brief Set/unset input ACL interface response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define input_acl_set_interface_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPsec: Add/delete Security Policy Database
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SPD if non-zero, else delete
    @param spd_id - SPD instance id (control plane allocated)
*/

define ipsec_spd_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u32 spd_id;
};

/** \brief Reply for IPsec: Add/delete Security Policy Database entry
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/

define ipsec_spd_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPsec: Add/delete SPD from interface

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add security mode if non-zero, else delete
    @param sw_if_index - index of the interface
    @param spd_id - SPD instance id to use for lookups
*/


define ipsec_interface_add_del_spd
{
  u32 client_index;
  u32 context;

  u8 is_add;
  u32 sw_if_index;
  u32 spd_id;
};

/** \brief Reply for IPsec: Add/delete SPD from interface
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/

define ipsec_interface_add_del_spd_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPsec: Add/delete Security Policy Database entry

    See RFC 4301, 4.4.1.1 on how to match packet to selectors

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SPD if non-zero, else delete
    @param spd_id - SPD instance id (control plane allocated)
    @param priority - priority of SPD entry (non-unique value).  Used to order SPD matching - higher priorities match before lower
    @param is_outbound - entry applies to outbound traffic if non-zero, otherwise applies to inbound traffic
    @param is_ipv6 - remote/local address are IPv6 if non-zero, else IPv4
    @param remote_address_start - start of remote address range to match
    @param remote_address_stop - end of remote address range to match
    @param local_address_start - start of local address range to match
    @param local_address_stop - end of local address range to match
    @param protocol - protocol type to match [0 means any]
    @param remote_port_start - start of remote port range to match ...
    @param remote_port_stop - end of remote port range to match [0 to 65535 means ANY, 65535 to 0 means OPAQUE]
    @param local_port_start - start of local port range to match ...
    @param local_port_stop - end of remote port range to match [0 to 65535 means ANY, 65535 to 0 means OPAQUE]
    @param policy - 0 = bypass (no IPsec processing), 1 = discard (discard packet with ICMP processing), 2 = resolve (send request to control plane for SA resolving, and discard without ICMP processing), 3 = protect (apply IPsec policy using following parameters)
    @param sa_id - SAD instance id (control plane allocated)

*/

define ipsec_spd_add_del_entry
{
  u32 client_index;
  u32 context;
  u8 is_add;

  u32 spd_id;
  i32 priority;
  u8 is_outbound;

  // Selector
  u8 is_ipv6;
  u8 is_ip_any;
  u8 remote_address_start[16];
  u8 remote_address_stop[16];
  u8 local_address_start[16];
  u8 local_address_stop[16];

  u8 protocol;

  u16 remote_port_start;
  u16 remote_port_stop;
  u16 local_port_start;
  u16 local_port_stop;

  // Policy
  u8 policy;
  u32 sa_id;
};

/** \brief Reply for IPsec: Add/delete Security Policy Database entry
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/

define ipsec_spd_add_del_entry_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPsec: Add/delete Security Association Database entry
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add SAD entry if non-zero, else delete

    @param sad_id - sad id

    @param spi - security parameter index

    @param protocol - 0 = AH, 1 = ESP

    @param crypto_algorithm - 0 = Null, 1 = AES-CBC-128, 2 = AES-CBC-192, 3 = AES-CBC-256, 4 = 3DES-CBC
    @param crypto_key_length - length of crypto_key in bytes
    @param crypto_key - crypto keying material

    @param integrity_algorithm - 0 = None, 1 = MD5-96, 2 = SHA1-96, 3 = SHA-256, 4 = SHA-384, 5=SHA-512
    @param integrity_key_length - length of integrity_key in bytes
    @param integrity_key - integrity keying material

    @param use_extended_sequence_number - use ESN when non-zero

    @param is_tunnel - IPsec tunnel mode if non-zero, else transport mode
    @param is_tunnel_ipv6 - IPsec tunnel mode is IPv6 if non-zero, else IPv4 tunnel only valid if is_tunnel is non-zero
    @param tunnel_src_address - IPsec tunnel source address IPv6 if is_tunnel_ipv6 is non-zero, else IPv4. Only valid if is_tunnel is non-zero
    @param tunnel_dst_address - IPsec tunnel destination address IPv6 if is_tunnel_ipv6 is non-zero, else IPv4. Only valid if is_tunnel is non-zero

    To be added:
     Anti-replay
     IPsec tunnel address copy mode (to support GDOI)
 */

define ipsec_sad_add_del_entry
{
  u32 client_index;
  u32 context;
  u8 is_add;

  u32 sad_id;

  u32 spi;

  u8 protocol;

  u8 crypto_algorithm;
  u8 crypto_key_length;
  u8 crypto_key[128];

  u8 integrity_algorithm;
  u8 integrity_key_length;
  u8 integrity_key[128];

  u8 use_extended_sequence_number;

  u8 is_tunnel;
  u8 is_tunnel_ipv6;
  u8 tunnel_src_address[16];
  u8 tunnel_dst_address[16];
};

/** \brief Reply for IPsec: Add/delete Security Association Database entry
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/

define ipsec_sad_add_del_entry_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPsec: Update Security Association keys
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param sa_id - sa id

    @param crypto_key_length - length of crypto_key in bytes
    @param crypto_key - crypto keying material

    @param integrity_key_length - length of integrity_key in bytes
    @param integrity_key - integrity keying material
*/

define ipsec_sa_set_key
{
  u32 client_index;
  u32 context;

  u32 sa_id;

  u8 crypto_key_length;
  u8 crypto_key[128];

  u8 integrity_key_length;
  u8 integrity_key[128];
};

/** \brief Reply for IPsec: Update Security Association keys
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/

define ipsec_sa_set_key_reply
{
  u32 context;
  i32 retval;
};

/** \brief IKEv2: Add/delete profile
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param is_add - Add IKEv2 profile if non-zero, else delete
*/
define ikev2_profile_add_del
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u8 is_add;
};

/** \brief Reply for IKEv2: Add/delete profile
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define ikev2_profile_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief IKEv2: Set IKEv2 profile authentication method
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param auth_method - IKEv2 authentication method (shared-key-mic/rsa-sig)
    @param is_hex - Authentication data in hex format if non-zero, else string
    @param data_len - Authentication data length
    @param data - Authentication data (for rsa-sig cert file path)
*/
define ikev2_profile_set_auth
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u8 auth_method;
  u8 is_hex;
  u32 data_len;
  u8 data[0];
};

/** \brief Reply for IKEv2: Set IKEv2 profile authentication method
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define ikev2_profile_set_auth_reply
{
  u32 context;
  i32 retval;
};

/** \brief IKEv2: Set IKEv2 profile local/remote identification
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param is_local - Identification is local if non-zero, else remote
    @param id_type - Identification type
    @param data_len - Identification data length
    @param data - Identification data
*/
define ikev2_profile_set_id
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u8 is_local;
  u8 id_type;
  u32 data_len;
  u8 data[0];
};

/** \brief Reply for IKEv2:
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define ikev2_profile_set_id_reply
{
  u32 context;
  i32 retval;
};

/** \brief IKEv2: Set IKEv2 profile traffic selector parameters
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param name - IKEv2 profile name
    @param is_local - Traffic selector is local if non-zero, else remote
    @param proto - Traffic selector IP protocol (if zero not relevant)
    @param start_port - The smallest port number allowed by traffic selector
    @param end_port - The largest port number allowed by traffic selector
    @param start_addr - The smallest address included in traffic selector
    @param end_addr - The largest address included in traffic selector
*/
define ikev2_profile_set_ts
{
  u32 client_index;
  u32 context;

  u8 name[64];
  u8 is_local;
  u8 proto;
  u16 start_port;
  u16 end_port;
  u32 start_addr;
  u32 end_addr;
};

/** \brief Reply for IKEv2: Set IKEv2 profile traffic selector parameters
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define ikev2_profile_set_ts_reply
{
  u32 context;
  i32 retval;
};

/** \brief IKEv2: Set IKEv2 local RSA private key
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request

    @param key_file - Key file absolute path
*/
define ikev2_set_local_key
{
  u32 client_index;
  u32 context;

  u8 key_file[256];
};

/** \brief Reply for IKEv2: Set IKEv2 local key
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define ikev2_set_local_key_reply
{
  u32 context;
  i32 retval;
};

/** \brief Tell client about a DHCP completion event
    @param client_index - opaque cookie to identify the sender
    @param pid - client pid registered to receive notification
    @param is_ipv6 - if non-zero the address is ipv6, else ipv4
    @param host_address - Host IP address
    @param router_address - Router IP address
    @param host_mac - Host MAC address
*/
define dhcp_compl_event
{
  u32 client_index;
  u32 pid;
  u8 hostname[64];
  u8 is_ipv6;
  u8 host_address[16];
  u8 router_address[16];
  u8 host_mac[6];
};

/** \brief Add MAP domains
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param ip6_prefix - Rule IPv6 prefix
    @param ip4_prefix - Rule IPv4 prefix
    @param ip6_src - MAP domain IPv6 BR address / Tunnel source
    @param ip6_prefix_len - Rule IPv6 prefix length
    @param ip4_prefix_len - Rule IPv4 prefix length
    @param ea_bits_len - Embedded Address bits length
    @param psid_offset - Port Set Identifider (PSID) offset
    @param psid_length - PSID length
    @param is_translation - MAP-E / MAP-T
    @param mtu - MTU
*/
define map_add_domain
{
  u32 client_index;
  u32 context;
  u8 ip6_prefix[16];
  u8 ip4_prefix[4];
  u8 ip6_src[16];
  u8 ip6_prefix_len;
  u8 ip4_prefix_len;
  u8 ip6_src_prefix_len;
  u8 ea_bits_len;
  u8 psid_offset;
  u8 psid_length;
  u8 is_translation;
  u16 mtu;
};

/** \brief Reply for MAP domain add
    @param context - returned sender context, to match reply w/ request
    @param index - MAP domain index
    @param retval - return code
*/
define map_add_domain_reply
{
  u32 context;
  u32 index;
  i32 retval;
};

/** \brief Delete MAP domain
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param index - MAP Domain index
*/
define map_del_domain
{
  u32 client_index;
  u32 context;
  u32 index;
};

/** \brief Reply for MAP domain del
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define map_del_domain_reply
{
  u32 context;
  i32 retval;
};

/** \brief Add or Delete MAP rule from a domain (Only used for shared IPv4 per subscriber)
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param index - MAP Domain index
    @param is_add - If 1 add rule, if 0 delete rule
    @param ip6_dst - MAP CE IPv6 address
    @param psid - Rule PSID
*/
define map_add_del_rule
{
  u32 client_index;
  u32 context;
  u32 index;
  u32 is_add;
  u8 ip6_dst[16];
  u16 psid;
};

/** \brief Reply for MAP rule add/del
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define map_add_del_rule_reply
{
  u32 context;
  i32 retval;
};

/** \brief Get list of map domains
    @param client_index - opaque cookie to identify the sender
*/
define map_domain_dump
{
  u32 client_index;
  u32 context;
};

define map_domain_details
{
  u32 context;
  u32 domain_index;
  u8 ip6_prefix[16];
  u8 ip4_prefix[4];
  u8 ip6_src[16];
  u8 ip6_prefix_len;
  u8 ip4_prefix_len;
  u8 ip6_src_len;
  u8 ea_bits_len;
  u8 psid_offset;
  u8 psid_length;
  u8 flags;
  u16 mtu;
  u8 is_translation;
};

define map_rule_dump
{
  u32 client_index;
  u32 context;
  u32 domain_index;
};

define map_rule_details
{
  u32 context;
  u8 ip6_dst[16];
  u16 psid;
};

/** \brief Request for a single block of summary stats
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define map_summary_stats
{
  u32 client_index;
  u32 context;
};

/** \brief Reply for map_summary_stats request
    @param context - sender context, to match reply w/ request
    @param retval - return code for request
    @param total_bindings -  
    @param total_pkts -  
    @param total_ip4_fragments -
    @param total_security_check - 
*/
define map_summary_stats_reply
{
  u32 context;
  i32 retval;
  u64 total_bindings;
  u64 total_pkts[2];
  u64 total_bytes[2];
  u64 total_ip4_fragments;
  u64 total_security_check[2];
};

/** \brief cop: enable/disable junk filtration features on an interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_inded - desired interface
    @param enable_disable - 1 => enable, 0 => disable
*/

define cop_interface_enable_disable
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 enable_disable;
};

/** \brief cop: interface enable/disable junk filtration reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/

define cop_interface_enable_disable_reply
{
  u32 context;
  i32 retval;
};

/** \brief cop: enable/disable whitelist filtration features on an interface
    Note: the supplied fib_id must match in order to remove the feature!
    
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface handle, physical interfaces only
    @param fib_id - fib identifier for the whitelist / blacklist fib
    @param ip4 - 1 => enable ip4 filtration, 0=> disable ip4 filtration
    @param ip6 - 1 => enable ip6 filtration, 0=> disable ip6 filtration
    @param default_cop -  1 => enable non-ip4, non-ip6 filtration 0=> disable it
*/

define cop_whitelist_enable_disable
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 fib_id;
  u8 ip4;
  u8 ip6;
  u8 default_cop;
};

/** \brief cop: interface enable/disable junk filtration reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/

define cop_whitelist_enable_disable_reply
{
  u32 context;
  i32 retval;
};

/** \brief get_node_graph - get a copy of the vpp node graph
    including the current set of graph arcs.

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/

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 Clear interface statistics
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of the interface to clear statistics
*/
define sw_interface_clear_stats
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

/** \brief Reply to sw_interface_clear_stats 
    @param context - sender context which was passed in the request
    @param retval - return code of the set flags request
*/
define sw_interface_clear_stats_reply
{
  u32 context;
  i32 retval;
};

/** \brief IOAM enable : Enable in-band OAM
    @param id - profile id
    @param seqno - To enable Seqno Processing
    @param analyse - Enabling analysis of iOAM at decap node 
    @param pow_enable - Proof of Work enabled or not flag
    @param trace_enable - iOAM Trace enabled or not flag
*/
define ioam_enable
{
  u32 client_index;
  u32 context;
  u16 id;
  u8 seqno;
  u8 analyse;
  u8 pot_enable;
  u8 trace_enable;
  u32 node_id;
};

/** \brief iOAM Trace profile add / del response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define ioam_enable_reply
{
  u32 context;
  i32 retval;
};

/** \brief iOAM disable
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param index - MAP Domain index
*/
define ioam_disable
{
  u32 client_index;
  u32 context;
  u16 id;
};

/** \brief iOAM disable response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define ioam_disable_reply
{
  u32 context;
  i32 retval;
};

/** \brief Create host-interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param host_if_name - interface name
    @param hw_addr - interface MAC
    @param use_random_hw_addr - use random generated MAC
*/
define af_packet_create
{
  u32 client_index;
  u32 context;

  u8 host_if_name[64];
  u8 hw_addr[6];
  u8 use_random_hw_addr;
};

/** \brief Create host-interface response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define af_packet_create_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief Delete host-interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param host_if_name - interface name
*/
define af_packet_delete
{
  u32 client_index;
  u32 context;

  u8 host_if_name[64];
};

/** \brief Delete host-interface response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define af_packet_delete_reply
{
  u32 context;
  i32 retval;
};

/** \brief Add/del policer
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add policer if non-zero, else delete
    @param name - policer name
    @param cir - CIR
    @param eir - EIR
    @param cb - Committed Burst
    @param eb - Excess or Peak Burst
    @param rate_type - rate type
    @param round_type - rounding type
    @param type - policer algorithm
    @param color_aware - 0=color-blind, 1=color-aware
    @param conform_action_type - conform action type
    @param conform_dscp - DSCP for conform mar-and-transmit action
    @param exceed_action_type - exceed action type
    @param exceed_dscp - DSCP for exceed mar-and-transmit action
    @param violate_action_type - violate action type
    @param violate_dscp - DSCP for violate mar-and-transmit action
*/
define policer_add_del
{
  u32 client_index;
  u32 context;

  u8 is_add;
  u8 name[64];
  u32 cir;
  u32 eir;
  u64 cb;
  u64 eb;
  u8 rate_type;
  u8 round_type;
  u8 type;
  u8 color_aware;
  u8 conform_action_type;
  u8 conform_dscp;
  u8 exceed_action_type;
  u8 exceed_dscp;
  u8 violate_action_type;
  u8 violate_dscp;
};

/** \brief Add/del policer response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
    @param policer_index - for add, returned index of the new policer
*/
define policer_add_del_reply
{
  u32 context;
  i32 retval;
  u32 policer_index;
};

/** \brief Get list of policers
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param match_name_valid - if 0 request all policers otherwise use match_name
    @param match_name - policer name
*/
define policer_dump
{
  u32 client_index;
  u32 context;

  u8 match_name_valid;
  u8 match_name[64];
};

/** \brief Policer operational state response.
    @param context - sender context, to match reply w/ request
    @param name - policer name
    @param cir - CIR
    @param eir - EIR
    @param cb - Committed Burst
    @param eb - Excess or Peak Burst
    @param rate_type - rate type
    @param round_type - rounding type
    @param type - policer algorithm
    @param conform_action_type - conform action type
    @param conform_dscp - DSCP for conform mar-and-transmit action
    @param exceed_action_type - exceed action type
    @param exceed_dscp - DSCP for exceed mar-and-transmit action
    @param violate_action_type - violate action type
    @param violate_dscp - DSCP for violate mar-and-transmit action
    @param single_rate - 1 = single rate policer, 0 = two rate policer
    @param color_aware - for hierarchical policing
    @param scale - power-of-2 shift amount for lower rates
    @param cir_tokens_per_period - number of tokens for each period
    @param pir_tokens_per_period - number of tokens for each period for 2-rate policer
    @param current_limit - current limit
    @param current_bucket - current bucket
    @param extended_limit - extended limit
    @param extended_bucket - extended bucket
    @param last_update_time - last update time
*/
define policer_details
{
  u32 context;

  u8 name[64];
  u32 cir;
  u32 eir;
  u64 cb;
  u64 eb;
  u8 rate_type;
  u8 round_type;
  u8 type;
  u8 conform_action_type;
  u8 conform_dscp;
  u8 exceed_action_type;
  u8 exceed_dscp;
  u8 violate_action_type;
  u8 violate_dscp;
  u8 single_rate;
  u8 color_aware;
  u32 scale;
  u32 cir_tokens_per_period;
  u32 pir_tokens_per_period;
  u32 current_limit;
  u32 current_bucket;
  u32 extended_limit;
  u32 extended_bucket;
  u64 last_update_time;
};

/** \brief Set/unset policer classify interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface to set/unset policer classify
    @param ip4_table_index - ip4 classify table index (~0 for skip)
    @param ip6_table_index - ip6 classify table index (~0 for skip)
    @param l2_table_index  -  l2 classify table index (~0 for skip)
    @param is_add - Set if non-zero, else unset
    Note: User is recommeneded to use just one valid table_index per call.
          (ip4_table_index, ip6_table_index, or l2_table_index)
*/
define policer_classify_set_interface
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 ip4_table_index;
  u32 ip6_table_index;
  u32 l2_table_index;
  u8 is_add;
};

/** \brief Set/unset policer classify interface response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define policer_classify_set_interface_reply
{
  u32 context;
  i32 retval;
};

/** \brief Get list of policer classify interfaces and tables
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param type - classify table type
*/
define policer_classify_dump
{
  u32 client_index;
  u32 context;
  u8 type;
};

/** \brief Policer iclassify operational state response.
    @param context - sender context, to match reply w/ request
    @param sw_if_index - software interface index
    @param table_index - classify table index
*/
define policer_classify_details
{
  u32 context;
  u32 sw_if_index;
  u32 table_index;
};

/** \brief Create netmap
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param netmap_if_name - interface name
    @param hw_addr - interface MAC
    @param use_random_hw_addr - use random generated MAC
    @param is_pipe - is pipe
    @param is_master - 0=slave, 1=master
*/
define netmap_create
{
  u32 client_index;
  u32 context;

  u8 netmap_if_name[64];
  u8 hw_addr[6];
  u8 use_random_hw_addr;
  u8 is_pipe;
  u8 is_master;
};

/** \brief Create netmap response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define netmap_create_reply
{
  u32 context;
  i32 retval;
};

/** \brief Delete netmap
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param netmap_if_name - interface name
*/
define netmap_delete
{
  u32 client_index;
  u32 context;

  u8 netmap_if_name[64];
};

/** \brief Delete netmap response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define netmap_delete_reply
{
  u32 context;
  i32 retval;
};

/** \brief Dump mpls gre tunnel table
    @param client_index - opaque cookie to identify the sender
    @param tunnel_index - gre tunnel identifier or -1 in case of all tunnels
*/
define mpls_gre_tunnel_dump
{
  u32 client_index;
  u32 context;
  i32 tunnel_index;
};

/** \brief mpls gre tunnel operational state response
    @param tunnel_index - gre tunnel identifier
    @param intfc_address - interface ipv4 addr
    @param mask_width - interface ipv4 addr mask
    @param hw_if_index - interface id
    @param l2_only -
    @param tunnel_src - tunnel source ipv4 addr
    @param tunnel_dst - tunnel destination ipv4 addr
    @param outer_fib_index - gre tunnel identifier
    @param encap_index - reference to mpls label table
    @param nlabels - number of resolved labels
    @param labels - resolved labels
*/
define mpls_gre_tunnel_details
{
  u32 context;
  u32 tunnel_index;

  u32 intfc_address;
  u32 inner_fib_index;
  u32 mask_width;
  u32 encap_index;
  u32 hw_if_index;
  u8 l2_only;
  u32 tunnel_src;
  u32 tunnel_dst;
  u32 outer_fib_index;
  u32 nlabels;
  u32 labels[nlabels];
};

/** \brief Dump mpls eth tunnel table
    @param client_index - opaque cookie to identify the sender
    @param tunnel_index - eth tunnel identifier or -1 in case of all tunnels
*/
define mpls_eth_tunnel_dump
{
  u32 client_index;
  u32 context;
  i32 tunnel_index;
};

/** \brief mpls eth tunnel operational state response
    @param tunnel_index - eth tunnel identifier
    @param intfc_address - interface ipv4 addr
    @param mask_width - interface ipv4 addr mask
    @param hw_if_index - interface id
    @param l2_only -
    @param tunnel_dst_mac -
    @param tx_sw_if_index -
    @param encap_index - reference to mpls label table
    @param nlabels - number of resolved labels
    @param labels - resolved labels
*/
define mpls_eth_tunnel_details
{
  u32 context;
  u32 tunnel_index;

  u32 intfc_address;
  u32 inner_fib_index;
  u32 mask_width;
  u32 encap_index;
  u32 hw_if_index;
  u8 l2_only;
  u8 tunnel_dst_mac[6];
  u32 tx_sw_if_index;
  u32 nlabels;
  u32 labels[nlabels];
};

/** \brief Dump mpls fib table
    @param client_index - opaque cookie to identify the sender
    @param fib_index    - mpls fib entry identifier or -1 in case of all entries
*/
define mpls_fib_encap_dump
{
  u32 client_index;
  u32 context;
};

/** \brief mpls fib encap table response
    @param fib_index - fib table id
    @param dest - destination ipv4 addr
    @param s_bit -
    @param entry_index - reference to mpls label table
    @param nlabels - number of resolved labels
    @param labels - resolved labels
*/
define mpls_fib_encap_details
{
  u32 context;

  u32 fib_index;
  u32 entry_index;
  u32 dest;
  u32 s_bit;
  u32 nlabels;
  u32 labels[nlabels];
};

/** \brief Classify get table IDs request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define classify_table_ids
{
  u32 client_index;
  u32 context;
};

/** \brief Reply for classify get table IDs request
    @param context - sender context which was passed in the request
    @param count - number of ids returned in response
    @param ids - array of classify table ids
*/
define classify_table_ids_reply
{
  u32 context;
  i32 retval;
  u32 count;
  u32 ids[count];
};

/** \brief Classify table ids by interface index request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - index of the interface
*/
define classify_table_by_interface
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

/** \brief Reply for classify table id by interface index request
    @param context - sender context which was passed in the request
    @param count - number of ids returned in response
    @param sw_if_index - index of the interface
    @param l2_table_id - l2 classify table index
    @param ip4_table_id - ip4 classify table index
    @param ip6_table_id - ip6 classify table index
*/
define classify_table_by_interface_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
  u32 l2_table_id;
  u32 ip4_table_id;
  u32 ip6_table_id;
};

/** \brief Classify table info
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param table_id - classify table index
*/
define classify_table_info
{
  u32 client_index;
  u32 context;
  u32 table_id;
};

/** \brief Reply for classify table info request
    @param context - sender context which was passed in the request
    @param count - number of ids returned in response
    @param table_id - classify table index
    @param nbuckets - number of buckets when adding a table
    @param match_n_vectors - number of match vectors
    @param skip_n_vectors - number of skip_n_vectors
    @param active_sessions - number of sessions (active entries)
    @param next_table_index - index of next table
    @param miss_next_index - index of miss table
    @param mask[] - match mask
*/
define classify_table_info_reply
{
  u32 context;
  i32 retval;
  u32 table_id;
  u32 nbuckets;
  u32 match_n_vectors;
  u32 skip_n_vectors;
  u32 active_sessions;
  u32 next_table_index;
  u32 miss_next_index;
  u32 mask_length;
  u8 mask[mask_length];
};

/** \brief Classify sessions dump request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param table_id - classify table index
*/
define classify_session_dump
{
  u32 client_index;
  u32 context;
  u32 table_id;
};

/** \brief Reply for classify table session dump request
    @param context - sender context which was passed in the request
    @param count - number of ids returned in response
    @param table_id - classify table index
    @param hit_next_index - hit_next_index of session
    @param opaque_index - for add, opaque_index of session
    @param advance - advance value of session
    @param match[] - match value for session
*/
define classify_session_details
{
  u32 context;
  i32 retval;
  u32 table_id;
  u32 hit_next_index;
  i32 advance;
  u32 opaque_index;
  u32 match_length;
  u8 match[match_length];
};

/** \brief Configure IPFIX exporter process request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param collector_address - address of IPFIX collector
    @param collector_port - port of IPFIX collector
    @param src_address - address of IPFIX exporter
    @param vrf_id - VRF / fib table ID
    @param path_mtu - Path MTU between exporter and collector
    @param template_interval - number of seconds after which to resend template
    @param udp_checksum - UDP checksum calculation enable flag
*/
define set_ipfix_exporter
{
  u32 client_index;
  u32 context;
  u8 collector_address[16];
  u16 collector_port;
  u8 src_address[16];
  u32 vrf_id;
  u32 path_mtu;
  u32 template_interval;
  u8 udp_checksum;
};

/** \brief Reply to IPFIX exporter configure request
    @param context - sender context which was passed in the request
*/
define set_ipfix_exporter_reply
{
  u32 context;
  i32 retval;
};

/** \brief IPFIX exporter dump request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define ipfix_exporter_dump
{
  u32 client_index;
  u32 context;
};

/** \brief Reply to IPFIX exporter dump request
    @param context - sender context which was passed in the request
    @param collector_address - address of IPFIX collector
    @param collector_port - port of IPFIX collector
    @param src_address - address of IPFIX exporter
    @param fib_index - fib table index
    @param path_mtu - Path MTU between exporter and collector
    @param template_interval - number of seconds after which to resend template
    @param udp_checksum - UDP checksum calculation enable flag
*/
define ipfix_exporter_details
{
  u32 context;
  u8 collector_address[16];
  u16 collector_port;
  u8 src_address[16];
  u32 vrf_id;
  u32 path_mtu;
  u32 template_interval;
  u8 udp_checksum;
};

/** \brief IPFIX classify stream configure request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param domain_id - domain ID reported in IPFIX messages for classify stream
    @param src_port - source port of UDP session for classify stream
*/
define set_ipfix_classify_stream {
    u32 client_index;
    u32 context;
    u32 domain_id;
    u16 src_port;
};

/** \brief IPFIX classify stream configure response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define set_ipfix_classify_stream_reply {
    u32 context;
    i32 retval;
};

/** \brief IPFIX classify stream dump request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define ipfix_classify_stream_dump {
    u32 client_index;
    u32 context;
};

/** \brief Reply to IPFIX classify stream dump request
    @param context - sender context, to match reply w/ request
    @param domain_id - domain ID reported in IPFIX messages for classify stream
    @param src_port - source port of UDP session for classify stream
*/
define ipfix_classify_stream_details {
    u32 context;
    u32 domain_id;
    u16 src_port;
};

/** \brief IPFIX add or delete classifier table request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param table_id - classifier table ID
    @param ip_version - version of IP used in the classifier table
    @param transport_protocol - transport protocol used in the classifier table or 255 for unspecified
*/
define ipfix_classify_table_add_del {
    u32 client_index;
    u32 context;
    u32 table_id;
    u8 ip_version;
    u8 transport_protocol;
    u8 is_add;
};

/** \brief IPFIX add classifier table response
    @param context - sender context which was passed in the request
*/
define ipfix_classify_table_add_del_reply {
    u32 context;
    i32 retval;
};

/** \brief IPFIX classify tables dump request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define ipfix_classify_table_dump {
    u32 client_index;
    u32 context;
};

/** \brief Reply to IPFIX classify tables dump request
    @param context - sender context, to match reply w/ request
    @param table_id - classifier table ID
    @param ip_version - version of IP used in the classifier table
    @param transport_protocol - transport protocol used in the classifier table or 255 for unspecified
*/
define ipfix_classify_table_details {
    u32 context;
    u32 table_id;
    u8 ip_version;
    u8 transport_protocol;
};

/** \brief Set/unset flow classify interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface to set/unset flow classify
    @param ip4_table_index - ip4 classify table index (~0 for skip)
    @param ip6_table_index - ip6 classify table index (~0 for skip)
    @param l2_table_index  -  l2 classify table index (~0 for skip)
    @param is_add - Set if non-zero, else unset
    Note: User is recommeneded to use just one valid table_index per call.
          (ip4_table_index, ip6_table_index, or l2_table_index)
*/
define flow_classify_set_interface {
    u32 client_index;
    u32 context;
    u32 sw_if_index;
    u32 ip4_table_index;
    u32 ip6_table_index;
    u8  is_add;
};

/** \brief Set/unset flow classify interface response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define flow_classify_set_interface_reply {
    u32 context;
    i32 retval;
};

/** \brief Get list of flow classify interfaces and tables
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param type - classify table type
*/
define flow_classify_dump {
    u32 client_index;
    u32 context;
    u8 type;
};

/** \brief Flow classify operational state response.
    @param context - sender context, to match reply w/ request
    @param sw_if_index - software interface index
    @param table_index - classify table index
*/
define flow_classify_details {
    u32 context;
    u32 sw_if_index;
    u32 table_index;
};

/** \brief Enable/Disable span to mirror traffic from one interface to another
    @param client_index - opaque cookie to identify the sender
    @param context - sender context which was passed in the request
    @param sw_if_index_from - interface to be mirorred
    @param sw_if_index_to - interface where the traffic is mirrored
    @param enable - 1 enable SPAN, 0 SPAN on given interface
*/
define sw_interface_span_enable_disable{
    u32 client_index;
    u32 context;
    u32 sw_if_index_from;
    u32 sw_if_index_to;
    u8  enable;
};

/** \brief Reply to SPAN enable/disable request
    @param context - sender context which was passed in the request
*/
define sw_interface_span_enable_disable_reply {
    u32 context;
    i32 retval;
};

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

/** \brief Reply to SPAN dump request
    @param context - sender context which was passed in the request
    @param sw_if_index_from - mirorred interface
    @param sw_if_index_to - interface where the traffic is mirrored
*/
define sw_interface_span_details {
    u32 context;
    u32 sw_if_index_from;
    u32 sw_if_index_to;
};

/** \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;
};

/** \brief PacketGenerator create interface request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param interface_id - interface index
*/
define pg_create_interface
{
  u32 client_index;
  u32 context;
  u32 interface_id;
};

/** \brief PacketGenerator create interface response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define pg_create_interface_reply
{
  u32 context;
  i32 retval;
  u32 sw_if_index;
};

/** \brief PacketGenerator capture packets on given interface request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param interface_id - pg interface index
    @param is_enabled - 1 if enabling streams, 0 if disabling
    @param count - number of packets to be captured
    @param pcap_file - pacp file name to store captured packets
*/
define pg_capture
{
  u32 client_index;
  u32 context;
  u32 interface_id;
  u8 is_enabled;
  u32 count;
  u32 pcap_name_length;
  u8 pcap_file_name[pcap_name_length];
};

/** \brief PacketGenerator capture packets response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define pg_capture_reply
{
  u32 context;
  i32 retval;
};

/** \brief Enable / disable packet generator request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_enabled - 1 if enabling streams, 0 if disabling
    @param stream - stream name to be enable/disabled, if not specified handle all streams
*/
define pg_enable_disable
{
  u32 client_index;
  u32 context;
  u8 is_enabled;
  u32 stream_name_length;
  u8 stream_name[stream_name_length];
};

/** \brief Reply for enable / disable packet generator
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define pg_enable_disable_reply
{
  u32 context;
  i32 retval;
};

/** \brief Configure IP source and L4 port-range check
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_ip6 - 1 if source address type is IPv6
    @param is_add - 1 if add, 0 if delete
    @param mask_length - mask length for address entry
    @param address - array of address bytes
    @param number_of_ranges - length of low_port and high_port arrays (must match)
    @param low_ports[32] - up to 32 low end of port range entries (must have corresponding high_ports entry)
    @param high_ports[32] - up to 32 high end of port range entries (must have corresponding low_ports entry)
    @param vrf_id - fib table/vrf id to associate the source and port-range check with
    @note To specify a single port set low_port and high_port entry the same
*/
define ip_source_and_port_range_check_add_del
{
  u32 client_index;
  u32 context;
  u8 is_ipv6;
  u8 is_add;
  u8 mask_length;
  u8 address[16];
  u8 number_of_ranges;
  u16 low_ports[32];
  u16 high_ports[32];
  u32 vrf_id;
};

/** \brief Configure IP source and L4 port-range check reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define ip_source_and_port_range_check_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Set interface source and L4 port-range request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param interface_id - interface index
    @param tcp_vrf_id - VRF associated with source and TCP port-range check
    @param udp_vrf_id - VRF associated with source and TCP port-range check
*/
define ip_source_and_port_range_check_interface_add_del
{
  u32 client_index;
  u32 context;
  u8 is_add;
  u32 sw_if_index;
  u32 tcp_in_vrf_id;
  u32 tcp_out_vrf_id;
  u32 udp_in_vrf_id;
  u32 udp_out_vrf_id;
};

/** \brief Set interface source and L4 port-range response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
*/
define ip_source_and_port_range_check_interface_add_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Add / del ipsec gre tunnel request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param local_sa_id - local SA id
    @param remote_sa_id - remote SA id
    @param is_add - 1 if adding the tunnel, 0 if deleting
    @param src_address - tunnel source address
    @param dst_address - tunnel destination address
*/
define ipsec_gre_add_del_tunnel {
    u32 client_index;
    u32 context;
    u32 local_sa_id;
    u32 remote_sa_id;
    u8 is_add;
    u8 src_address[4];
    u8 dst_address[4];
};

/** \brief Reply for add / del ipsec gre tunnel request
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
    @param sw_if_index - software index of the new ipsec gre tunnel
*/
define ipsec_gre_add_del_tunnel_reply {
    u32 context;
    i32 retval;
    u32 sw_if_index;
};

/** \brief Dump ipsec gre tunnel table
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param tunnel_index - gre tunnel identifier or -1 in case of all tunnels
*/
define ipsec_gre_tunnel_dump {
    u32 client_index;
    u32 context;
    u32 sw_if_index;
};

/** \brief mpls gre tunnel operational state response
    @param context - returned sender context, to match reply w/ request
    @param sw_if_index - software index of the ipsec gre tunnel
    @param local_sa_id - local SA id
    @param remote_sa_id - remote SA id
    @param src_address - tunnel source address
    @param dst_address - tunnel destination address
*/
define ipsec_gre_tunnel_details {
    u32 context;
    u32 sw_if_index;
    u32 local_sa_id;
    u32 remote_sa_id;
    u8 src_address[4];
    u8 dst_address[4];
};

/** \brief Delete sub interface request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface that was created by create_subif
*/
define delete_subif {
  u32 client_index;
  u32 context;
  u32 sw_if_index;
};

/** \brief Delete sub interface response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define delete_subif_reply {
  u32 context;
  i32 retval;
};

/** \brief DPDK interface HQoS pipe profile set request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - the interface
    @param subport - subport ID
    @param pipe - pipe ID within its subport
    @param profile - pipe profile ID
*/
define sw_interface_set_dpdk_hqos_pipe {
    u32 client_index;
    u32 context;
    u32 sw_if_index;
    u32 subport;
    u32 pipe;
    u32 profile;
};

/** \brief DPDK interface HQoS pipe profile set reply
    @param context - sender context, to match reply w/ request
    @param retval - request return code
*/
define sw_interface_set_dpdk_hqos_pipe_reply {
    u32 context;
    i32 retval;
};

/** \brief DPDK interface HQoS subport parameters set request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - the interface
    @param subport - subport ID
    @param tb_rate - subport token bucket rate (measured in bytes/second)
    @param tb_size - subport token bucket size (measured in credits)
    @param tc_rate - subport traffic class 0 .. 3 rates (measured in bytes/second)
    @param tc_period - enforcement period for rates (measured in milliseconds)
*/
define sw_interface_set_dpdk_hqos_subport {
    u32 client_index;
    u32 context;
    u32 sw_if_index;
    u32 subport;
    u32 tb_rate;
    u32 tb_size;
    u32 tc_rate[4];
    u32 tc_period;
};

/** \brief DPDK interface HQoS subport parameters set reply
    @param context - sender context, to match reply w/ request
    @param retval - request return code
*/
define sw_interface_set_dpdk_hqos_subport_reply {
    u32 context;
    i32 retval;
};

/** \brief DPDK interface HQoS tctbl entry set request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - the interface
    @param entry - entry index ID
    @param tc - traffic class (0 .. 3)
    @param queue - traffic class queue (0 .. 3)
*/
define sw_interface_set_dpdk_hqos_tctbl {
    u32 client_index;
    u32 context;
    u32 sw_if_index;
    u32 entry;
    u32 tc;
    u32 queue;
};

/** \brief DPDK interface HQoS tctbl entry set reply
    @param context - sender context, to match reply w/ request
    @param retval - request return code
*/
define sw_interface_set_dpdk_hqos_tctbl_reply {
    u32 context;
    i32 retval;
};

/** \brief L2 interface pbb tag rewrite configure request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface the operation is applied to
    @param vtr_op - Choose from l2_vtr_op_t enum values
    @param inner_tag - needed for translate_qinq vtr op only
    @param outer_tag - needed for translate_qinq vtr op only 
    @param b_dmac - B-tag remote mac address, needed for any push or translate_qinq vtr op
    @param b_smac - B-tag local mac address, needed for any push or translate qinq vtr op
    @param b_vlanid - B-tag vlanid, needed for any push or translate qinq vtr op
    @param i_sid - I-tag service id, needed for any push or translate qinq vtr op
*/
define l2_interface_pbb_tag_rewrite
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 vtr_op;
  u16 outer_tag;
  u8  b_dmac[6];
  u8  b_smac[6];
  u16 b_vlanid;
  u32 i_sid;
};

/** \brief L2 interface pbb tag rewrite response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define l2_interface_pbb_tag_rewrite_reply
{
  u32 context;
  i32 retval;
};

/** \brief Punt traffic to the host
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - add punt if non-zero, else delete
    @param ipv - L3 protocol 4 - IPv4, 6 - IPv6, ~0 - All
    @param l4_protocol - L4 protocol to be punted, only UDP (0x11) is supported
    @param l4_port - TCP/UDP port to be punted
*/
define punt {
    u32 client_index;
    u32 context;
    u8 is_add;
    u8 ipv;
    u8 l4_protocol;
    u16 l4_port;
};

/** \brief Reply to the punt request
    @param context - sender context which was passed in the request
    @param retval - return code of punt request
*/
define punt_reply
{
    u32 context;
    i32 retval;
};

/** \brief Dump ipsec policy database data
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param spd_id - SPD instance id
    @param sa_id - SA id, optional, set to ~0 to see all policies in SPD
*/
define ipsec_spd_dump {
    u32 client_index;
    u32 context;
    u32 spd_id;
    u32 sa_id;
};

/** \brief IPsec policy database response
    @param context - sender context which was passed in the request
    @param spd_id - SPD instance id
    @param priority - numeric value to control policy evaluation order
    @param is_outbound - [1|0] to indicate if direction is [out|in]bound
    @param is_ipv6 - [1|0] to indicate if address family is ipv[6|4]
    @param local_start_addr - first address in local traffic selector range
    @param local_stop_addr - last address in local traffic selector range
    @param local_start_port - first port in local traffic selector range
    @param local_stop_port - last port in local traffic selector range
    @param remote_start_addr - first address in remote traffic selector range
    @param remote_stop_addr - last address in remote traffic selector range
    @param remote_start_port - first port in remote traffic selector range
    @param remote_stop_port - last port in remote traffic selector range
    @param protocol - traffic selector protocol
    @param policy - policy action
    @param sa_id - SA id
    @param bytes - byte count of packets matching this policy
    @param packets - count of packets matching this policy
*/

define ipsec_spd_details {
    u32 context;
    u32 spd_id;
    i32 priority;
    u8 is_outbound;
    u8 is_ipv6;
    u8 local_start_addr[16];
    u8 local_stop_addr[16];
    u16 local_start_port;
    u16 local_stop_port;
    u8 remote_start_addr[16];
    u8 remote_stop_addr[16];
    u16 remote_start_port;
    u16 remote_stop_port;
    u8 protocol;
    u8 policy;
    u32 sa_id;
    u64 bytes;
    u64 packets;
};

/** \brief Feature path enable/disable request
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - the interface
    @param enable - 1 = on, 0 = off
*/
define feature_enable_disable {
    u32 client_index;
    u32 context;
    u32 sw_if_index;
    u8 enable;
    u8 arc_name[64];
    u8 feature_name[64];
};

/** \brief Reply to the eature path enable/disable request
    @param context - sender context which was passed in the request
    @param retval - return code for the request
*/
define feature_enable_disable_reply
{
    u32 context;
    i32 retval;
};

/** \brief Set / clear software interface tag
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - the interface
    @param add_del - 1 = add, 0 = delete
    @param tag - an ascii tag
*/
define sw_interface_tag_add_del {
    u32 client_index;
    u32 context;
    u8 is_add;
    u32 sw_if_index;
    u8 tag[64];
};

/** \brief Reply to set / clear software interface tag
    @param context - sender context which was passed in the request
    @param retval - return code for the request
*/
define sw_interface_tag_add_del_reply
{
    u32 context;
    i32 retval;
};