LXR qemu/net/tap

   1/*
   2 * QEMU System Emulator
   3 *
   4 * Copyright (c) 2003-2008 Fabrice Bellard
   5 * Copyright (c) 2009 Red Hat, Inc.
   6 *
   7 * Permission is hereby granted, free of charge, to any person obtaining a copy
   8 * of this software and associated documentation files (the "Software"), to deal
   9 * in the Software without restriction, including without limitation the rights
  10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 * copies of the Software, and to permit persons to whom the Software is
  12 * furnished to do so, subject to the following conditions:
  13 *
  14 * The above copyright notice and this permission notice shall be included in
  15 * all copies or substantial portions of the Software.
  16 *
  17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23 * THE SOFTWARE.
  24 */
  25
  26#ifndef NET_TAP_INT_H
  27#define NET_TAP_INT_H
  28
  29#include "qapi/qapi-types-net.h"
  30
  31int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
  32             int vnet_hdr_required, int mq_required, Error **errp);
  33
  34ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
  35
  36void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp);
  37int tap_probe_vnet_hdr(int fd, Error **errp);
  38int tap_probe_vnet_hdr_len(int fd, int len);
  39int tap_probe_has_ufo(int fd);
  40void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo);
  41void tap_fd_set_vnet_hdr_len(int fd, int len);
  42int tap_fd_set_vnet_le(int fd, int vnet_is_le);
  43int tap_fd_set_vnet_be(int fd, int vnet_is_be);
  44int tap_fd_enable(int fd);
  45int tap_fd_disable(int fd);
  46int tap_fd_get_ifname(int fd, char *ifname);
  47int tap_fd_set_steering_ebpf(int fd, int prog_fd);
  48
  49#endif /* NET_TAP_INT_H */
  50