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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 #define foreach_tapv2_flags \
26  _ (GSO, 0) \
27  _ (CSUM_OFFLOAD, 1) \
28  _ (PERSIST, 2) \
29  _ (ATTACH, 3) \
30  _ (TUN, 4) \
31  _ (GRO_COALESCE, 5)
32 
33 typedef enum
34 {
35 #define _(a, b) TAP_FLAG_##a = (1 << b),
37 #undef _
38 } tap_flag_t;
39 
40 typedef struct
41 {
57  ip6_address_t host_ip6_addr;
59  ip6_address_t host_ip6_gw;
63  /* return */
65  int rv;
68 
69 /** TAP interface details struct */
70 typedef struct
71 {
75  u8 dev_name[64];
79  u8 host_if_name[64];
80  u8 host_namespace[64];
81  u8 host_bridge[64];
84  ip6_address_t host_ip6_addr;
88 
89 typedef struct
90 {
91  /* logging */
93 
94  /* bit-map of in-use IDs */
96 
97  /* host mtu size, configurable through startup.conf */
99 } tap_main_t;
100 
104  int enable_disable);
105 int
107  int enable_disable);
108 int tap_dump_ifs (tap_interface_details_t ** out_tapids);
109 
110 #endif /* _VNET_DEVICES_VIRTIO_TAP_H_ */
111 
112 /*
113  * fd.io coding-style-patch-verification: ON
114  *
115  * Local Variables:
116  * eval: (c-set-style "gnu")
117  * End:
118  */
uword * tap_ids
Definition: tap.h:95
int host_mtu_size
Definition: tap.h:98
vlib_log_class_t log_default
Definition: tap.h:92
ip4_address_t host_ip4_addr
Definition: tap.h:53
u8 host_ip6_prefix_len
Definition: tap.h:58
u8 host_ip4_gw_set
Definition: tap.h:56
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:133
vl_api_interface_index_t sw_if_index
Definition: gre.api:53
int tap_csum_offload_enable_disable(vlib_main_t *vm, u32 sw_if_index, int enable_disable)
Definition: tap.c:808
int tap_delete_if(vlib_main_t *vm, u32 sw_if_index)
Definition: tap.c:773
unsigned int u32
Definition: types.h:88
int tap_dump_ifs(tap_interface_details_t **out_tapids)
Definition: tap.c:923
mac_address_t host_mac_addr
Definition: tap.h:78
unsigned short u16
Definition: types.h:57
ip4_address_t host_ip4_gw
Definition: tap.h:55
ip6_address_t host_ip6_addr
Definition: tap.h:57
u8 host_ip4_prefix_len
Definition: tap.h:54
vlib_main_t * vm
Definition: in2out_ed.c:1599
ip4_address_t host_ip4_addr
Definition: tap.h:82
tap_flag_t
Definition: tap.h:33
u32 host_mtu_size
Definition: tap.h:62
int tap_gso_enable_disable(vlib_main_t *vm, u32 sw_if_index, int enable_disable)
Definition: tap.c:869
u8 * host_bridge
Definition: tap.h:52
ip6_address_t host_ip6_gw
Definition: tap.h:59
u8 * host_if_name
Definition: tap.h:50
u8 host_ip6_gw_set
Definition: tap.h:60
u64 uword
Definition: types.h:112
Definition: tap.h:89
mac_address_t host_mac_addr
Definition: tap.h:51
#define foreach_tapv2_flags
Definition: tap.h:25
mac_address_t mac_addr
Definition: tap.h:44
clib_error_t * error
Definition: tap.h:66
ip6_address_t host_ip6_addr
Definition: tap.h:84
TAP interface details struct.
Definition: tap.h:70
u8 * host_namespace
Definition: tap.h:49