blob: dacbe2e0aa99bfea18a4b13424cad8523ec17325 [file] [log] [blame]
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +01001/*
2 *------------------------------------------------------------------
3 * span_api.c - span mirroring api
4 *
5 * Copyright (c) 2016 Cisco and/or its affiliates.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at:
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *------------------------------------------------------------------
18 */
19
20#include <vnet/vnet.h>
21#include <vlibmemory/api.h>
22
23#include <vnet/interface.h>
24#include <vnet/api_errno.h>
25#include <vnet/span/span.h>
26
27#include <vnet/vnet_msg_enum.h>
28
29#define vl_typedefs /* define message structures */
30#include <vnet/vnet_all_api_h.h>
31#undef vl_typedefs
32
33#define vl_endianfun /* define message structures */
34#include <vnet/vnet_all_api_h.h>
35#undef vl_endianfun
36
37/* instantiate all the print functions we know about */
38#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
39#define vl_printfun
40#include <vnet/vnet_all_api_h.h>
41#undef vl_printfun
42
43#include <vlibapi/api_helper_macros.h>
44
45#define foreach_vpe_api_msg \
46_(SW_INTERFACE_SPAN_ENABLE_DISABLE, sw_interface_span_enable_disable) \
47_(SW_INTERFACE_SPAN_DUMP, sw_interface_span_dump) \
48
49static void
50 vl_api_sw_interface_span_enable_disable_t_handler
51 (vl_api_sw_interface_span_enable_disable_t * mp)
52{
53 vl_api_sw_interface_span_enable_disable_reply_t *rmp;
54 int rv;
55
56 vlib_main_t *vm = vlib_get_main ();
57
58 rv = span_add_delete_entry (vm, ntohl (mp->sw_if_index_from),
Jakub Grajciar908965d2020-01-31 09:51:41 +010059 ntohl (mp->sw_if_index_to), ntohl (mp->state),
Eyal Bari001fd402017-07-16 09:34:53 +030060 mp->is_l2 ? SPAN_FEAT_L2 : SPAN_FEAT_DEVICE);
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +010061
62 REPLY_MACRO (VL_API_SW_INTERFACE_SPAN_ENABLE_DISABLE_REPLY);
63}
64
65static void
66vl_api_sw_interface_span_dump_t_handler (vl_api_sw_interface_span_dump_t * mp)
67{
68
Florin Coras6c4dae22018-01-09 06:39:23 -080069 vl_api_registration_t *reg;
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +010070 span_interface_t *si;
71 vl_api_sw_interface_span_details_t *rmp;
72 span_main_t *sm = &span_main;
73
Florin Coras6c4dae22018-01-09 06:39:23 -080074 reg = vl_api_client_index_to_registration (mp->client_index);
75 if (!reg)
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +010076 return;
77
Eyal Bari5b311202017-07-31 13:12:30 +030078 span_feat_t sf = mp->is_l2 ? SPAN_FEAT_L2 : SPAN_FEAT_DEVICE;
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +010079 /* *INDENT-OFF* */
80 vec_foreach (si, sm->interfaces)
Eyal Bari001fd402017-07-16 09:34:53 +030081 {
Eyal Bari5b311202017-07-31 13:12:30 +030082 span_mirror_t * rxm = &si->mirror_rxtx[sf][VLIB_RX];
83 span_mirror_t * txm = &si->mirror_rxtx[sf][VLIB_TX];
84 if (rxm->num_mirror_ports || txm->num_mirror_ports)
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +010085 {
86 clib_bitmap_t *b;
87 u32 i;
Eyal Bari5b311202017-07-31 13:12:30 +030088 b = clib_bitmap_dup_or (rxm->mirror_ports, txm->mirror_ports);
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +010089 clib_bitmap_foreach (i, b, (
90 {
91 rmp = vl_msg_api_alloc (sizeof (*rmp));
Dave Barachb7b92992018-10-17 10:38:51 -040092 clib_memset (rmp, 0, sizeof (*rmp));
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +010093 rmp->_vl_msg_id = ntohs (VL_API_SW_INTERFACE_SPAN_DETAILS);
94 rmp->context = mp->context;
95
96 rmp->sw_if_index_from = htonl (si - sm->interfaces);
97 rmp->sw_if_index_to = htonl (i);
Jakub Grajciar908965d2020-01-31 09:51:41 +010098 rmp->state = htonl ((clib_bitmap_get (rxm->mirror_ports, i) +
99 clib_bitmap_get (txm->mirror_ports, i) * 2));
Jon Loeliger179ab362018-03-12 14:50:08 -0500100 rmp->is_l2 = mp->is_l2;
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +0100101
Florin Coras6c4dae22018-01-09 06:39:23 -0800102 vl_api_send_msg (reg, (u8 *) rmp);
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +0100103 }));
104 clib_bitmap_free (b);
105 }
Eyal Bari001fd402017-07-16 09:34:53 +0300106 }
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +0100107 /* *INDENT-ON* */
108}
109
110/*
111 * vpe_api_hookup
112 * Add vpe's API message handlers to the table.
Paul Vinciguerrabdc0e6b2018-09-22 05:32:50 -0700113 * vlib has already mapped shared memory and
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +0100114 * added the client registration handlers.
115 * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
116 */
117#define vl_msg_name_crc_list
118#include <vnet/vnet_all_api_h.h>
119#undef vl_msg_name_crc_list
120
121static void
122setup_message_id_table (api_main_t * am)
123{
124#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
Ole Troan399ca1c2016-12-06 23:00:38 +0100125 foreach_vl_msg_name_crc_span;
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +0100126#undef _
127}
128
129static clib_error_t *
130span_api_hookup (vlib_main_t * vm)
131{
Dave Barach39d69112019-11-27 11:42:13 -0500132 api_main_t *am = vlibapi_get_main ();
Pavel Kotucek3a2a1c42016-12-06 10:10:10 +0100133
134#define _(N,n) \
135 vl_msg_api_set_handlers(VL_API_##N, #n, \
136 vl_api_##n##_t_handler, \
137 vl_noop_handler, \
138 vl_api_##n##_t_endian, \
139 vl_api_##n##_t_print, \
140 sizeof(vl_api_##n##_t), 1);
141 foreach_vpe_api_msg;
142#undef _
143
144 /*
145 * Set up the (msg_name, crc, message-id) table
146 */
147 setup_message_id_table (am);
148
149 return 0;
150}
151
152VLIB_API_INIT_FUNCTION (span_api_hookup);
153
154/*
155 * fd.io coding-style-patch-verification: ON
156 *
157 * Local Variables:
158 * eval: (c-set-style "gnu")
159 * End:
160 */