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Vector Packet Processing
tapv2.api
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1 /*
2  * Copyright (c) 2017 Cisco and/or its affiliates.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 /** \file
17 
18  This file defines vpe control-plane API messages for
19  the Linux kernel TAP device driver
20 */
21 
22 option version = "2.0.0";
23 
24 /** \brief Initialize a new tap interface with the given paramters
25  @param client_index - opaque cookie to identify the sender
26  @param context - sender context, to match reply w/ request
27  @param id - interface id, 0xffffffff means auto
28  @param use_random_mac - let the system generate a unique mac address
29  @param mac_address - mac addr to assign to the interface if use_radom not set
30  @param tx_ring_sz - the number of entries of TX ring
31  @param rx_ring_sz - the number of entries of RX ring
32  @param host_mac_addr_set - host side interface mac address should be set
33  @param host_mac_addr - host side interface mac address
34  @param host_if_name_set - host side interface name should be set
35  @param host_if_name - host side interface name
36  @param host_namespace_set - host namespece should be set
37  @param host_namespace - host namespace to attach interface to
38  @param host_bridge_set - host bridge should be set
39  @param host_bridge - host bridge to attach interface to
40  @param host_ip4_addr_set - host IPv4 ip address should be set
41  @param host_ip4_addr - host IPv4 ip address
42  @param host_ip4_prefix_len - host IPv4 ip address prefix length
43  @param host_ip6_addr_set - host IPv6 ip address should be set
44  @param host_ip6_addr - host IPv6 ip address
45  @param host_ip6_prefix_len - host IPv6 ip address prefix length
46  @param host_ip4_gw_set - host IPv4 default gateway should be set
47  @param host_ip4_gw - host IPv4 default gateway
48  @param host_ip6_gw_set - host IPv6 default gateway should be set
49  @param host_ip6_gw - host IPv6 default gateway
50  @param tap_flags - flags for the TAP interface creation
51 */
52 define tap_create_v2
53 {
59  u16 tx_ring_sz; /* optional, default is 256 entries, must be power of 2 */
60  u16 rx_ring_sz; /* optional, default is 256 entries, must be power of 2 */
62  u8 host_namespace[64];
64  u8 host_mac_addr[6];
66  u8 host_if_name[64];
68  u8 host_bridge[64];
70  u8 host_ip4_addr[4];
73  u8 host_ip6_addr[16];
76  u8 host_ip4_gw[4];
78  u8 host_ip6_gw[16];
79  u8 tag[64];
81 };
82 
83 /** \brief Reply for tap create reply
84  @param context - returned sender context, to match reply w/ request
85  @param retval - return code
86  @param sw_if_index - software index allocated for the new tap interface
87 */
88 define tap_create_v2_reply
89 {
93 };
94 
95 /** \brief Delete tap interface
96  @param client_index - opaque cookie to identify the sender
97  @param context - sender context, to match reply w/ request
98  @param sw_if_index - interface index of existing tap interface
99 */
100 autoreply define tap_delete_v2
101 {
105 };
106 
107 /** \brief Dump tap interfaces request */
108 define sw_interface_tap_v2_dump
109 {
112 };
113 
114 /** \brief Reply for tap dump request
115  @param sw_if_index - software index of tap interface
116  @param id - interface id
117  @param dev_name - Linux tap device name
118  @param tx_ring_sz - the number of entries of TX ring
119  @param rx_ring_sz - the number of entries of RX ring
120  @param host_mac_addr - mac address assigned to the host side of the interface
121  @param host_if_name - host side interface name
122  @param host_namespace - host namespace the interface is attached into
123  @param host_bridge - host bridge the interface is attached into
124  @param host_ip4_addr - host IPv4 ip address
125  @param host_ip4_prefix_len - host IPv4 ip address prefix length; 0 if unset
126  @param host_ip6_addr - host IPv6 ip address
127  @param host_ip6_prefix_len - host IPv6 ip address prefix length; 0 if unset
128 */
129 define sw_interface_tap_v2_details
130 {
134  u8 dev_name[64];
137  u8 host_mac_addr[6];
138  u8 host_if_name[64];
139  u8 host_namespace[64];
140  u8 host_bridge[64];
141  u8 host_ip4_addr[4];
143  u8 host_ip6_addr[16];
146 };
147 
148 /*
149  * Local Variables:
150  * eval: (c-set-style "gnu")
151  * End:
152  */
unsigned char u8
Definition: types.h:56
unsigned int u32
Definition: types.h:88
unsigned short u16
Definition: types.h:57
option version
Definition: tapv2.api:22
signed int i32
Definition: types.h:77
u8 mac_address[6]