memif.api

Go to the documentation of this file.

/* Hey Emacs use -*- mode: C -*- */
/*
 * Copyright (c) 2017 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";
import "vnet/ethernet/ethernet_types.api";

enum memif_role
{
  MEMIF_ROLE_API_MASTER = 0,
  MEMIF_ROLE_API_SLAVE = 1,
};

enum memif_mode
{
  MEMIF_MODE_API_ETHERNET = 0,
  MEMIF_MODE_API_IP = 1,
  MEMIF_MODE_API_PUNT_INJECT = 2,
};

/** \brief Create or remove named socket file for memif interfaces
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param is_add - 0 = remove, 1 = add association
    @param socket_id - non-0 32-bit integer used to identify a socket file
    @param socket_filename - filename of the socket to be used for connection
           establishment; id 0 always maps to default "/var/vpp/memif.sock";
           no socket filename needed when is_add == 0.
*/
autoreply define memif_socket_filename_add_del
{
  u32 client_index;
  u32 context;
  bool is_add;          /* 0 = remove, 1 = add association */
  u32 socket_id;        /* unique non-0 id for given socket file name */
  string socket_filename[108];  /* NUL terminated filename */
  option vat_help = "[add|del] id <id> filename <file>";
};

/** \brief Create memory interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param role - role of the interface in the connection (master/slave)
    @param mode - interface mode
    @param rx_queues - number of rx queues (only valid for slave)
    @param tx_queues - number of tx queues (only valid for slave)
    @param id - 32bit integer used to authenticate and match opposite sides
           of the connection
    @param socket_id - socket filename id to be used for connection
           establishment
    @param ring_size - the number of entries of RX/TX rings
    @param buffer_size - size of the buffer allocated for each ring entry
    @param no_zero_copy - if true, disable zero copy
    @param hw_addr - interface MAC address
    @param secret - optional, default is "", max length 24
*/
define memif_create
{
  u32 client_index;
  u32 context;

  vl_api_memif_role_t role; /* 0 = master, 1 = slave */
  vl_api_memif_mode_t mode; /* 0 = ethernet, 1 = ip, 2 = punt/inject */
  u8 rx_queues; /* optional, default is 1 */
  u8 tx_queues; /* optional, default is 1 */
  u32 id; /* optional, default is 0 */
  u32 socket_id; /* optional, default is 0, "/var/vpp/memif.sock" */
  u32 ring_size; /* optional, default is 1024 entries, must be power of 2 */
  u16 buffer_size; /* optional, default is 2048 bytes */
  bool no_zero_copy; /* disable zero copy */
  vl_api_mac_address_t hw_addr; /* optional, randomly generated if zero */
  string secret[24]; /* optional, default is "", max length 24 */
  option vat_help = "[id <id>] [socket-id <id>] [ring_size <size>] [buffer_size <size>] [hw_addr <mac_address>] [secret <string>] [mode ip] <master|slave>";
};

/** \brief Create memory interface response
    @param context - sender context, to match reply w/ request
    @param retval - return value for request
    @param sw_if_index - software index of the newly created interface
*/
define memif_create_reply
{
  u32 context;
  i32 retval;
  vl_api_interface_index_t sw_if_index;
};

/** \brief Delete memory interface
    @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 interface to delete
*/
autoreply define memif_delete
{
  u32 client_index;
  u32 context;

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

/** \brief Memory interface details structure
    @param context - sender context, to match reply w/ request
    @param socket_id - u32 used to identify the given socket filename
    @param socket_filename - correpsonding NUL terminated socket filename
*/
define memif_socket_filename_details
{
  u32 context;
  u32 socket_id;
  string socket_filename[108];
};

/** \brief Dump the table of socket ids and corresponding filenames
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define memif_socket_filename_dump
{
  u32 client_index;
  u32 context;
};

/** \brief Memory interface details structure
    @param context - sender context, to match reply w/ request (memif_dump)
    @param sw_if_index - index of the interface
    @param hw_addr - interface MAC address
    @param id - id associated with the interface
    @param role - role of the interface in the connection (master/slave)
    @param mode - interface mode
    @param zero_copy - zero copy flag present
    @param socket_id - id of the socket filename used by this interface
           to establish new connections
    @param ring_size - the number of entries of RX/TX rings
    @param buffer_size - size of the buffer allocated for each ring entry
    @param flags - interface_status flags
    @param if_name - name of the interface

*/
define memif_details
{
  u32 context;

  vl_api_interface_index_t sw_if_index;
  vl_api_mac_address_t hw_addr;

  /* memif specific parameters */
  u32 id;
  vl_api_memif_role_t role; /* 0 = master, 1 = slave */
  vl_api_memif_mode_t mode; /* 0 = ethernet, 1 = ip, 2 = punt/inject */
  bool zero_copy;
  u32 socket_id;
  u32 ring_size;
  u16 buffer_size; /* optional, default is 2048 bytes */

  vl_api_if_status_flags_t flags;

  string if_name[64];
};

/** \brief Dump all memory interfaces
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define memif_dump
{
  u32 client_index;
  u32 context;
};

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