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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
* Copyright (c) 2016 Cisco and/or its affiliates.
* 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 <stddef.h>
#include <vnet/vnet.h>
#include <vnet/plugin/plugin.h>
#include <l3xc/l3xc.h>
#include <vnet/mpls/mpls_types.h>
#include <vnet/fib/fib_path_list.h>
#include <vnet/fib/fib_api.h>
#include <vpp/app/version.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
/* define message IDs */
#include <vnet/format_fns.h>
#include <l3xc/l3xc.api_enum.h>
#include <l3xc/l3xc.api_types.h>
/**
* Base message ID fot the plugin
*/
static u32 l3xc_base_msg_id;
#define REPLY_MSG_ID_BASE (l3xc_base_msg_id)
#include <vlibapi/api_helper_macros.h>
static void
vl_api_l3xc_plugin_get_version_t_handler (vl_api_l3xc_plugin_get_version_t *
mp)
{
vl_api_l3xc_plugin_get_version_reply_t *rmp;
vl_api_registration_t *rp;
rp = vl_api_client_index_to_registration (mp->client_index);
if (rp == 0)
return;
rmp = vl_msg_api_alloc (sizeof (*rmp));
rmp->_vl_msg_id =
ntohs (VL_API_L3XC_PLUGIN_GET_VERSION_REPLY + l3xc_base_msg_id);
rmp->context = mp->context;
rmp->major = htonl (L3XC_PLUGIN_VERSION_MAJOR);
rmp->minor = htonl (L3XC_PLUGIN_VERSION_MINOR);
vl_api_send_msg (rp, (u8 *) rmp);
}
static void
vl_api_l3xc_update_t_handler (vl_api_l3xc_update_t * mp)
{
vl_api_l3xc_update_reply_t *rmp;
fib_route_path_t *paths = NULL, *path;
int rv = 0;
u8 pi;
VALIDATE_SW_IF_INDEX (&mp->l3xc);
if (0 == mp->l3xc.n_paths)
{
rv = VNET_API_ERROR_INVALID_VALUE;
goto done;
}
vec_validate (paths, mp->l3xc.n_paths - 1);
for (pi = 0; pi < mp->l3xc.n_paths; pi++)
{
path = &paths[pi];
rv = fib_api_path_decode (&mp->l3xc.paths[pi], path);
if (0 != rv)
{
goto done;
}
}
rv = l3xc_update (ntohl (mp->l3xc.sw_if_index), mp->l3xc.is_ip6, paths);
done:
vec_free (paths);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO2 (VL_API_L3XC_UPDATE_REPLY, ({ rmp->stats_index = 0; }))
}
static void
vl_api_l3xc_del_t_handler (vl_api_l3xc_del_t * mp)
{
vl_api_l3xc_del_reply_t *rmp;
int rv = 0;
VALIDATE_SW_IF_INDEX (mp);
rv = l3xc_delete (ntohl (mp->sw_if_index), mp->is_ip6);
BAD_SW_IF_INDEX_LABEL;
REPLY_MACRO (VL_API_L3XC_DEL_REPLY);
}
typedef struct l3xc_dump_walk_ctx_t_
{
vl_api_registration_t *rp;
u32 context;
} l3xc_dump_walk_ctx_t;
static int
l3xc_send_details (u32 l3xci, void *args)
{
fib_path_encode_ctx_t path_ctx = {
.rpaths = NULL,
};
vl_api_l3xc_details_t *mp;
l3xc_dump_walk_ctx_t *ctx;
fib_route_path_t *rpath;
vl_api_fib_path_t *fp;
size_t msg_size;
l3xc_t *l3xc;
u8 n_paths;
ctx = args;
l3xc = l3xc_get (l3xci);
n_paths = fib_path_list_get_n_paths (l3xc->l3xc_pl);
msg_size = sizeof (*mp) + sizeof (mp->l3xc.paths[0]) * n_paths;
mp = vl_msg_api_alloc (msg_size);
clib_memset (mp, 0, msg_size);
mp->_vl_msg_id = ntohs (VL_API_L3XC_DETAILS + l3xc_base_msg_id);
/* fill in the message */
mp->context = ctx->context;
mp->l3xc.n_paths = n_paths;
mp->l3xc.sw_if_index = htonl (l3xc->l3xc_sw_if_index);
fib_path_list_walk_w_ext (l3xc->l3xc_pl, NULL, fib_path_encode, &path_ctx);
fp = mp->l3xc.paths;
vec_foreach (rpath, path_ctx.rpaths)
{
fib_api_path_encode (rpath, fp);
fp++;
}
vl_api_send_msg (ctx->rp, (u8 *) mp);
return (1);
}
static void
vl_api_l3xc_dump_t_handler (vl_api_l3xc_dump_t * mp)
{
vl_api_registration_t *rp;
u32 sw_if_index;
rp = vl_api_client_index_to_registration (mp->client_index);
if (rp == 0)
return;
l3xc_dump_walk_ctx_t ctx = {
.rp = rp,
.context = mp->context,
};
sw_if_index = ntohl (mp->sw_if_index);
if (~0 == sw_if_index)
l3xc_walk (l3xc_send_details, &ctx);
else
{
fib_protocol_t fproto;
index_t l3xci;
FOR_EACH_FIB_IP_PROTOCOL (fproto)
{
l3xci = l3xc_find (sw_if_index, fproto);
if (INDEX_INVALID != l3xci)
l3xc_send_details (l3xci, &ctx);
}
}
}
#include <l3xc/l3xc.api.c>
static clib_error_t *
l3xc_api_init (vlib_main_t * vm)
{
/* Ask for a correctly-sized block of API message decode slots */
l3xc_base_msg_id = setup_message_id_table ();
return 0;
}
VLIB_INIT_FUNCTION (l3xc_api_init);
/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
.description = "L3 Cross-Connect (L3XC)",
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
