2 *------------------------------------------------------------------
3 * Copyright (c) 2017 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
18 #ifndef _VNET_DEVICES_VIRTIO_TAP_H_
19 #define _VNET_DEVICES_VIRTIO_TAP_H_
22 #define MIN(x,y) (((x)<(y))?(x):(y))
29 mac_address_t mac_addr;
34 #define TAP_FLAG_GSO (1 << 0)
35 #define TAP_FLAG_CSUM_OFFLOAD (1 << 1)
36 #define TAP_FLAG_PERSIST (1 << 2)
37 #define TAP_FLAG_ATTACH (1 << 3)
38 #define TAP_FLAG_TUN (1 << 4)
41 mac_address_t host_mac_addr;
43 ip4_address_t host_ip4_addr;
44 u8 host_ip4_prefix_len;
45 ip4_address_t host_ip4_gw;
47 ip6_address_t host_ip6_addr;
48 u8 host_ip6_prefix_len;
49 ip6_address_t host_ip6_gw;
57 } tap_create_if_args_t;
59 /** TAP interface details struct */
68 mac_address_t host_mac_addr;
70 u8 host_namespace[64];
72 ip4_address_t host_ip4_addr;
73 u8 host_ip4_prefix_len;
74 ip6_address_t host_ip6_addr;
75 u8 host_ip6_prefix_len;
77 } tap_interface_details_t;
82 vlib_log_class_t log_default;
84 /* bit-map of in-use IDs */
87 /* host mtu size, configurable through startup.conf */
91 void tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args);
92 int tap_delete_if (vlib_main_t * vm, u32 sw_if_index);
93 int tap_gso_enable_disable (vlib_main_t * vm, u32 sw_if_index,
96 tap_csum_offload_enable_disable (vlib_main_t * vm, u32 sw_if_index,
98 int tap_dump_ifs (tap_interface_details_t ** out_tapids);
100 #endif /* _VNET_DEVICES_VIRTIO_TAP_H_ */
103 * fd.io coding-style-patch-verification: ON
106 * eval: (c-set-style "gnu")