/*
 *------------------------------------------------------------------
 * Copyright (c) 2019 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.
 *------------------------------------------------------------------
 */

option version = "3.0.0";
import "vnet/interface_types.api";

enum rdma_mode
{
  RDMA_API_MODE_AUTO = 0,
  RDMA_API_MODE_IBV = 1,
  RDMA_API_MODE_DV = 2,
};

/** \brief
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param host_if - Linux netdev interface name
    @param name - new rdma interface name
    @param rxq_num - number of receive queues (optional)
    @param rxq_size - receive queue size (optional)
    @param txq_size - transmit queue size (optional)
    @param mode - operation mode (optional)
*/

define rdma_create
{
  option deprecated="21.01";
  u32 client_index;
  u32 context;

  string host_if[64];
  string name[64];
  u16 rxq_num [default=1];
  u16 rxq_size [default=1024];
  u16 txq_size [default=1024];
  vl_api_rdma_mode_t mode [default=0];
  option vat_help = "<host-if ifname> [name <name>] [rx-queue-size <size>] [tx-queue-size <size>] [num-rx-queues <size>] [mode <auto|ibv|dv>]";
};

/** \brief
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param host_if - Linux netdev interface name
    @param name - new rdma interface name
    @param rxq_num - number of receive queues (optional)
    @param rxq_size - receive queue size (optional)
    @param txq_size - transmit queue size (optional)
    @param mode - operation mode (optional)
    @param no_multi_seg (optional) - disable chained buffer RX
    @param max_pktlen (optional) - maximal RX packet size.
*/

define rdma_create_v2
{
  option deprecated;
  u32 client_index;
  u32 context;

  string host_if[64];
  string name[64];
  u16 rxq_num [default=1];
  u16 rxq_size [default=1024];
  u16 txq_size [default=1024];
  vl_api_rdma_mode_t mode [default=0];
  bool no_multi_seg [default=0];
  u16 max_pktlen [default=0];
  option vat_help = "<host-if ifname> [name <name>] [rx-queue-size <size>] [tx-queue-size <size>] [num-rx-queues <size>] [mode <auto|ibv|dv>] [no-multi-seg] [max-pktlen <size>]";
};

enum rdma_rss4
{
  RDMA_API_RSS4_AUTO = 0,
  RDMA_API_RSS4_IP = 1,
  RDMA_API_RSS4_IP_UDP = 2,
  RDMA_API_RSS4_IP_TCP = 3,
};

enum rdma_rss6
{
  RDMA_API_RSS6_AUTO = 0,
  RDMA_API_RSS6_IP = 1,
  RDMA_API_RSS6_IP_UDP = 2,
  RDMA_API_RSS6_IP_TCP = 3,
};

/** \brief
    Same as v4, just not an autoendian (expect buggy handling of flag values).

    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param host_if - Linux netdev interface name
    @param name - new rdma interface name
    @param rxq_num - number of receive queues (optional)
    @param rxq_size - receive queue size (optional)
    @param txq_size - transmit queue size (optional)
    @param mode - operation mode (optional)
    @param no_multi_seg (optional) - disable chained buffer RX
    @param max_pktlen (optional) - maximal RX packet size.
    @param rss4 (optional) - IPv4 RSS
    @param rss6 (optional) - IPv6 RSS
*/

define rdma_create_v3
{
  option deprecated;
  option replaced_by="rdma_create_v4";

  u32 client_index;
  u32 context;

  string host_if[64];
  string name[64];
  u16 rxq_num [default=1];
  u16 rxq_size [default=1024];
  u16 txq_size [default=1024];
  vl_api_rdma_mode_t mode [default=0];
  bool no_multi_seg [default=0];
  u16 max_pktlen [default=0];
  vl_api_rdma_rss4_t rss4 [default=0];
  vl_api_rdma_rss6_t rss6 [default=0];
  option vat_help = "<host-if ifname> [name <name>] [rx-queue-size <size>] [tx-queue-size <size>] [num-rx-queues <size>] [mode <auto|ibv|dv>] [no-multi-seg] [max-pktlen <size>] [rss <ipv4|ipv4-udp|ipv4-tcp>] [rss <ipv6|ipv6-udp|ipv6-tcp>]";
};

/** \brief
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param host_if - Linux netdev interface name
    @param name - new rdma interface name
    @param rxq_num - number of receive queues (optional)
    @param rxq_size - receive queue size (optional)
    @param txq_size - transmit queue size (optional)
    @param mode - operation mode (optional)
    @param no_multi_seg (optional) - disable chained buffer RX
    @param max_pktlen (optional) - maximal RX packet size.
    @param rss4 (optional) - IPv4 RSS
    @param rss6 (optional) - IPv6 RSS
*/

autoendian define rdma_create_v4
{
  u32 client_index;
  u32 context;

  string host_if[64];
  string name[64];
  u16 rxq_num [default=1];
  u16 rxq_size [default=1024];
  u16 txq_size [default=1024];
  vl_api_rdma_mode_t mode [default=0];
  bool no_multi_seg [default=0];
  u16 max_pktlen [default=0];
  vl_api_rdma_rss4_t rss4 [default=0];
  vl_api_rdma_rss6_t rss6 [default=0];
  option vat_help = "<host-if ifname> [name <name>] [rx-queue-size <size>] [tx-queue-size <size>] [num-rx-queues <size>] [mode <auto|ibv|dv>] [no-multi-seg] [max-pktlen <size>] [rss <ipv4|ipv4-udp|ipv4-tcp>] [rss <ipv6|ipv6-udp|ipv6-tcp>]";
};

/** \brief
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
    @param sw_if_index - software index for the new rdma interface
*/

define rdma_create_reply
{
  option deprecated;

  u32 context;
  i32 retval;
  vl_api_interface_index_t sw_if_index;
};

/** \brief
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
    @param sw_if_index - software index for the new rdma interface
*/

define rdma_create_v2_reply
{
  option deprecated;

  u32 context;
  i32 retval;
  vl_api_interface_index_t sw_if_index;
};

/** \brief
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface index
*/

define rdma_create_v3_reply
{
  u32 context;
  i32 retval;
  vl_api_interface_index_t sw_if_index;
};

/** \brief
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface index
*/

autoendian define rdma_create_v4_reply
{
  u32 context;
  i32 retval;
  vl_api_interface_index_t sw_if_index;
};

/** \brief
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - interface index
*/

autoreply define rdma_delete
{
  u32 client_index;
  u32 context;

  vl_api_interface_index_t sw_if_index;
  option vat_help = "<sw_if_index index>";
};

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