2 *------------------------------------------------------------------
3 * pg_api.c - vnet pg api
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:
10 * http://www.apache.org/licenses/LICENSE-2.0
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 *------------------------------------------------------------------
20 #include <vnet/vnet.h>
21 #include <vlibmemory/api.h>
23 #include <vnet/pg/pg.h>
25 #include <vnet/vnet_msg_enum.h>
27 #define vl_typedefs /* define message structures */
28 #include <vnet/vnet_all_api_h.h>
31 #define vl_endianfun /* define message structures */
32 #include <vnet/vnet_all_api_h.h>
35 /* instantiate all the print functions we know about */
36 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
38 #include <vnet/vnet_all_api_h.h>
41 #include <vlibapi/api_helper_macros.h>
44 #define foreach_pg_api_msg \
45 _(PG_CREATE_INTERFACE, pg_create_interface) \
46 _(PG_CAPTURE, pg_capture) \
47 _(PG_ENABLE_DISABLE, pg_enable_disable)
49 extern void stats_dslock_with_hint (int hint, int tag);
50 extern void stats_dsunlock (void);
53 vl_api_pg_create_interface_t_handler (vl_api_pg_create_interface_t * mp)
55 vl_api_pg_create_interface_reply_t *rmp;
58 pg_main_t *pg = &pg_main;
59 u32 pg_if_id = pg_interface_add_or_get (pg, ntohl (mp->interface_id));
60 pg_interface_t *pi = pool_elt_at_index (pg->interfaces, pg_if_id);
63 REPLY_MACRO2(VL_API_PG_CREATE_INTERFACE_REPLY,
65 rmp->sw_if_index = ntohl(pi->sw_if_index);
71 vl_api_pg_capture_t_handler (vl_api_pg_capture_t * mp)
73 vl_api_pg_capture_reply_t *rmp;
76 vnet_main_t *vnm = vnet_get_main ();
77 vnet_interface_main_t *im = &vnm->interface_main;
78 vnet_hw_interface_t *hi = 0;
80 u8 *intf_name = format (0, "pg%d", ntohl (mp->interface_id), 0);
81 vec_terminate_c_string (intf_name);
83 uword *p = hash_get_mem (im->hw_interface_by_name, intf_name);
88 if (hw_if_index != ~0)
90 pg_capture_args_t _a, *a = &_a;
92 u32 len = ntohl (mp->pcap_name_length);
93 u8 *pcap_file_name = vec_new (u8, len);
94 clib_memcpy (pcap_file_name, mp->pcap_file_name, len);
96 hi = vnet_get_sup_hw_interface (vnm, hw_if_index);
97 a->hw_if_index = hw_if_index;
98 a->dev_instance = hi->dev_instance;
99 a->is_enabled = mp->is_enabled;
100 a->pcap_file_name = pcap_file_name;
101 a->count = ntohl (mp->count);
103 clib_error_t *e = pg_capture (a);
106 clib_error_report (e);
107 rv = VNET_API_ERROR_CANNOT_CREATE_PCAP_FILE;
110 vec_free (pcap_file_name);
112 REPLY_MACRO (VL_API_PG_CAPTURE_REPLY);
116 vl_api_pg_enable_disable_t_handler (vl_api_pg_enable_disable_t * mp)
118 vl_api_pg_enable_disable_reply_t *rmp;
121 pg_main_t *pg = &pg_main;
122 u32 stream_index = ~0;
124 int is_enable = mp->is_enabled != 0;
125 u32 len = ntohl (mp->stream_name_length) - 1;
129 u8 *stream_name = vec_new (u8, len);
130 clib_memcpy (stream_name, mp->stream_name, len);
131 uword *p = hash_get_mem (pg->stream_index_by_name, stream_name);
134 vec_free (stream_name);
137 pg_enable_disable (stream_index, is_enable);
139 REPLY_MACRO (VL_API_PG_ENABLE_DISABLE_REPLY);
142 #define vl_msg_name_crc_list
143 #include <vnet/pg/pg.api.h>
144 #undef vl_msg_name_crc_list
147 setup_message_id_table (api_main_t * am)
149 #define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
150 foreach_vl_msg_name_crc_pg;
154 static clib_error_t *
155 pg_api_hookup (vlib_main_t * vm)
157 api_main_t *am = &api_main;
160 vl_msg_api_set_handlers(VL_API_##N, #n, \
161 vl_api_##n##_t_handler, \
163 vl_api_##n##_t_endian, \
164 vl_api_##n##_t_print, \
165 sizeof(vl_api_##n##_t), 1);
170 * Set up the (msg_name, crc, message-id) table
172 setup_message_id_table (am);
177 VLIB_API_INIT_FUNCTION (pg_api_hookup);
180 * fd.io coding-style-patch-verification: ON
183 * eval: (c-set-style "gnu")