1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
* Copyright (c) 2018 PANTHEON.tech.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <assert.h>
#include <stdbool.h>
#include <scvpp/comm.h>
#include <scvpp/interface.h>
#define IFACE_SUBSTR 49
// Use VAPI macros to define symbols
DEFINE_VAPI_MSG_IDS_INTERFACE_API_JSON
static vapi_error_e
sw_interface_dump_cb(struct vapi_ctx_s *ctx, void *callback_ctx,
vapi_error_e rv, bool is_last,
vapi_payload_sw_interface_details *reply)
{
UNUSED(rv); UNUSED(ctx); UNUSED(is_last);
vapi_payload_sw_interface_details *passed;
ARG_CHECK2(VAPI_EINVAL, callback_ctx, reply);
//copy
passed = (vapi_payload_sw_interface_details *) callback_ctx;
*passed = *reply;
return VAPI_OK;
}
static vapi_error_e
bin_api_sw_interface_dump(vapi_payload_sw_interface_details *details,
const char *iface_name)
{
vapi_msg_sw_interface_dump *mp;
vapi_error_e rv;
mp = vapi_alloc_sw_interface_dump(g_vapi_ctx);
assert(NULL != mp);
/* Dump a specific interfaces */
mp->payload.name_filter_valid = true;
strncpy((char *)mp->payload.name_filter, iface_name, IFACE_SUBSTR);
VAPI_CALL(vapi_sw_interface_dump(g_vapi_ctx, mp,
sw_interface_dump_cb, details));
if (rv != VAPI_OK)
return -SCVPP_EINVAL;
return rv;
}
int get_interface_id(const char *if_name, uint32_t *sw_if_index)
{
vapi_payload_sw_interface_details details = {0};
vapi_error_e rv;
ARG_CHECK2(-SCVPP_EINVAL, if_name, sw_if_index);
rv = bin_api_sw_interface_dump(&details, if_name);
if (rv != VAPI_OK)
return -SCVPP_EINVAL;
if (strncmp(if_name, (char*) details.interface_name, VPP_INTFC_NAME_LEN)
!= 0)
return -SCVPP_NOT_FOUND;
*sw_if_index = details.sw_if_index;
return 0;
}
/*
* dump only a specific interface
*/
int interface_dump_iface(sw_interface_dump_t *details, const char *iface_name)
{
vapi_error_e rv;
rv = bin_api_sw_interface_dump(details, iface_name);
if (rv != VAPI_OK)
return -SCVPP_EINVAL;
if (strncmp(iface_name, (char*) details->interface_name, VPP_INTFC_NAME_LEN)
!= 0)
return -SCVPP_NOT_FOUND;
return SCVPP_OK;
}
VAPI_DUMP_LIST_CB(sw_interface)
struct elt* interface_dump_all()
{
struct elt* stack = NULL;
vapi_msg_sw_interface_dump *mp;
vapi_error_e rv;
mp = vapi_alloc_sw_interface_dump(g_vapi_ctx);
/* Dump all */
mp->payload.name_filter_valid = false;
memset(mp->payload.name_filter, 0, sizeof(mp->payload.name_filter));
VAPI_CALL(vapi_sw_interface_dump(g_vapi_ctx, mp, sw_interface_all_cb,
&stack));
if (VAPI_OK != rv)
return NULL;
return stack;
}
VAPI_REQUEST_CB(sw_interface_set_flags);
int interface_enable(const char *interface_name, const bool enable)
{
vapi_msg_sw_interface_set_flags *mp;
uint32_t sw_if_index;
vapi_error_e rv;
int rc;
ARG_CHECK(-SCVPP_EINVAL, interface_name);
rc = get_interface_id(interface_name, &sw_if_index);
if (rc != 0)
return -SCVPP_NOT_FOUND;
mp = vapi_alloc_sw_interface_set_flags(g_vapi_ctx);
assert(NULL != mp);
mp->payload.sw_if_index = sw_if_index;
mp->payload.admin_up_down = enable;
VAPI_CALL(vapi_sw_interface_set_flags(g_vapi_ctx, mp,
sw_interface_set_flags_cb, NULL));
if (VAPI_OK != rv)
return -SCVPP_EINVAL;
return 0;
}
int get_interface_name(char *interface_name, uint32_t sw_if_index)
{
struct elt *stack= NULL;
sw_interface_dump_t *dump;
int rc = -SCVPP_NOT_FOUND;
stack = interface_dump_all();
if (!stack)
return -SCVPP_NOT_FOUND;
foreach_stack_elt(stack) {
dump = (sw_interface_dump_t *) data;
if (dump->sw_if_index == sw_if_index) {
strncpy(interface_name, (char *)dump->interface_name, VPP_INTFC_NAME_LEN);
rc = SCVPP_OK;
}
free(dump);
}
return rc;
}
|
