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 31 int tap_open(char *ifname, int ifname_size, int *vnet_hdr, 32 int vnet_hdr_required, int mq_required, Error **errp); 33 34 ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen); 35 36 void tap_set_sndbuf(int fd, const NetdevTapOptions *tap, Error **errp); 37 int tap_probe_vnet_hdr(int fd, Error **errp); 38 int tap_probe_vnet_hdr_len(int fd, int len); 39 int tap_probe_has_ufo(int fd); 40 int tap_probe_has_uso(int fd); 41 void tap_fd_set_offload(int fd, int csum, int tso4, int tso6, int ecn, int ufo, 42 int uso4, int uso6); 43 void tap_fd_set_vnet_hdr_len(int fd, int len); 44 int tap_fd_set_vnet_le(int fd, int vnet_is_le); 45 int tap_fd_set_vnet_be(int fd, int vnet_is_be); 46 int tap_fd_enable(int fd); 47 int tap_fd_disable(int fd); 48 int tap_fd_get_ifname(int fd, char *ifname); 49 int tap_fd_set_steering_ebpf(int fd, int prog_fd); 50 51 #endif /* NET_TAP_INT_H */ 52