52a7ff5269
It was necessary since an Linux older than 2.6.35 may implement the virtio-net header but may not allow to change its length. Remove it since such an old Linux is no longer supported. Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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* Copyright (c) 2009 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef NET_TAP_INT_H
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#define NET_TAP_INT_H
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#include "qapi/qapi-types-net.h"
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int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
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int vnet_hdr_required, int mq_required, Error **errp);
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ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
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void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp);
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int tap_probe_vnet_hdr(int fd, Error **errp);
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int tap_probe_has_ufo(int fd);
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int tap_probe_has_uso(int fd);
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void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo,
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int uso4, int uso6);
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void tap_fd_set_vnet_hdr_len(int fd, int len);
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int tap_fd_set_vnet_le(int fd, int vnet_is_le);
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int tap_fd_set_vnet_be(int fd, int vnet_is_be);
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int tap_fd_enable(int fd);
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int tap_fd_disable(int fd);
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int tap_fd_get_ifname(int fd, char *ifname);
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int tap_fd_set_steering_ebpf(int fd, int prog_fd);
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#endif /* NET_TAP_INT_H */
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