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
|
/*
*------------------------------------------------------------------
* span_api.c - span mirroring api
*
* 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 <vnet/vnet.h>
#include <vlibmemory/api.h>
#include <vnet/interface.h>
#include <vnet/api_errno.h>
#include <vnet/span/span.h>
#include <vnet/vnet_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_typedefs
#define vl_endianfun /* define message structures */
#include <vnet/vnet_all_api_h.h>
#undef vl_endianfun
/* instantiate all the print functions we know about */
#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
#define vl_printfun
#include <vnet/vnet_all_api_h.h>
#undef vl_printfun
#include <vlibapi/api_helper_macros.h>
#define foreach_vpe_api_msg \
_(SW_INTERFACE_SPAN_ENABLE_DISABLE, sw_interface_span_enable_disable) \
_(SW_INTERFACE_SPAN_DUMP, sw_interface_span_dump) \
static void
vl_api_sw_interface_span_enable_disable_t_handler
(vl_api_sw_interface_span_enable_disable_t * mp)
{
vl_api_sw_interface_span_enable_disable_reply_t *rmp;
int rv;
vlib_main_t *vm = vlib_get_main ();
rv = span_add_delete_entry (vm, ntohl (mp->sw_if_index_from),
ntohl (mp->sw_if_index_to), mp->state,
mp->is_l2 ? SPAN_FEAT_L2 : SPAN_FEAT_DEVICE);
REPLY_MACRO (VL_API_SW_INTERFACE_SPAN_ENABLE_DISABLE_REPLY);
}
static void
vl_api_sw_interface_span_dump_t_handler (vl_api_sw_interface_span_dump_t * mp)
{
vl_api_registration_t *reg;
span_interface_t *si;
vl_api_sw_interface_span_details_t *rmp;
span_main_t *sm = &span_main;
reg = vl_api_client_index_to_registration (mp->client_index);
if (!reg)
return;
span_feat_t sf = mp->is_l2 ? SPAN_FEAT_L2 : SPAN_FEAT_DEVICE;
/* *INDENT-OFF* */
vec_foreach (si, sm->interfaces)
{
span_mirror_t * rxm = &si->mirror_rxtx[sf][VLIB_RX];
span_mirror_t * txm = &si->mirror_rxtx[sf][VLIB_TX];
if (rxm->num_mirror_ports || txm->num_mirror_ports)
{
clib_bitmap_t *b;
u32 i;
b = clib_bitmap_dup_or (rxm->mirror_ports, txm->mirror_ports);
clib_bitmap_foreach (i, b, (
{
rmp = vl_msg_api_alloc (sizeof (*rmp));
memset (rmp, 0, sizeof (*rmp));
rmp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_SPAN_DETAILS);
rmp->context = mp->context;
rmp->sw_if_index_from = htonl (si - sm->interfaces);
rmp->sw_if_index_to = htonl (i);
rmp->state = (u8) (clib_bitmap_get (rxm->mirror_ports, i) +
clib_bitmap_get (txm->mirror_ports, i) * 2);
rmp->is_l2 = mp->is_l2;
vl_api_send_msg (reg, (u8 *) rmp);
}));
clib_bitmap_free (b);
}
}
/* *INDENT-ON* */
}
/*
* vpe_api_hookup
* Add vpe's API message handlers to the table.
* vlib has alread mapped shared memory and
* added the client registration handlers.
* See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
*/
#define vl_msg_name_crc_list
#include <vnet/vnet_all_api_h.h>
#undef vl_msg_name_crc_list
static void
setup_message_id_table (api_main_t * am)
{
#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
foreach_vl_msg_name_crc_span;
#undef _
}
static clib_error_t *
span_api_hookup (vlib_main_t * vm)
{
api_main_t *am = &api_main;
#define _(N,n) \
vl_msg_api_set_handlers(VL_API_##N, #n, \
vl_api_##n##_t_handler, \
vl_noop_handler, \
vl_api_##n##_t_endian, \
vl_api_##n##_t_print, \
sizeof(vl_api_##n##_t), 1);
foreach_vpe_api_msg;
#undef _
/*
* Set up the (msg_name, crc, message-id) table
*/
setup_message_id_table (am);
return 0;
}
VLIB_API_INIT_FUNCTION (span_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
