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Vector Packet Processing
tap.h
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1 /*
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:
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
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  *------------------------------------------------------------------
16  */
17 
18 #ifndef _VNET_DEVICES_VIRTIO_TAP_H_
19 #define _VNET_DEVICES_VIRTIO_TAP_H_
20 
21 #ifndef MIN
22 #define MIN(x,y) (((x)<(y))?(x):(y))
23 #endif
24 
25 typedef struct
26 {
29  u8 mac_addr[6];
33 #define TAP_FLAG_GSO (1 << 0)
36  u8 host_mac_addr[6];
48  /* return */
50  int rv;
53 
54 /** TAP interface details struct */
55 typedef struct
56 {
60  u8 dev_name[64];
63  u8 host_mac_addr[6];
64  u8 host_if_name[64];
65  u8 host_namespace[64];
66  u8 host_bridge[64];
67  u8 host_ip4_addr[4];
69  u8 host_ip6_addr[16];
73 
74 typedef struct
75 {
76  /* logging */
78 
79  /* bit-map of in-use IDs */
81 
82  /* host mtu size, configurable through startup.conf */
84 } tap_main_t;
85 
89  int enable_disable);
90 int tap_dump_ifs (tap_interface_details_t ** out_tapids);
91 
92 #endif /* _VNET_DEVICES_VIRTIO_TAP_H_ */
93 
94 /*
95  * fd.io coding-style-patch-verification: ON
96  *
97  * Local Variables:
98  * eval: (c-set-style "gnu")
99  * End:
100  */
uword * tap_ids
Definition: tap.h:80
int host_mtu_size
Definition: tap.h:83
vlib_log_class_t log_default
Definition: tap.h:77
ip4_address_t host_ip4_addr
Definition: tap.h:38
u8 host_ip6_prefix_len
Definition: tap.h:43
u8 host_ip4_gw_set
Definition: tap.h:41
unsigned char u8
Definition: types.h:56
u32 vlib_log_class_t
Definition: vlib.h:51
void tap_create_if(vlib_main_t *vm, tap_create_if_args_t *args)
Definition: tap.c:81
vl_api_interface_index_t sw_if_index
Definition: gre.api:50
int tap_delete_if(vlib_main_t *vm, u32 sw_if_index)
Definition: tap.c:470
unsigned int u32
Definition: types.h:88
int tap_dump_ifs(tap_interface_details_t **out_tapids)
Definition: tap.c:572
unsigned short u16
Definition: types.h:57
ip4_address_t host_ip4_gw
Definition: tap.h:40
ip6_address_t host_ip6_addr
Definition: tap.h:42
u8 host_ip4_prefix_len
Definition: tap.h:39
vlib_main_t * vm
Definition: buffer.c:312
u32 host_mtu_size
Definition: tap.h:47
int tap_gso_enable_disable(vlib_main_t *vm, u32 sw_if_index, int enable_disable)
Definition: tap.c:524
u8 * host_bridge
Definition: tap.h:37
ip6_address_t host_ip6_gw
Definition: tap.h:44
u8 * host_if_name
Definition: tap.h:35
u8 host_ip6_gw_set
Definition: tap.h:45
u64 uword
Definition: types.h:112
Definition: tap.h:74
clib_error_t * error
Definition: tap.h:51
TAP interface details struct.
Definition: tap.h:55
u8 * host_namespace
Definition: tap.h:34