4 * Copyright (c) 2017 Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
21 #include <vlibapi/api.h>
22 #include <vlibmemory/api.h>
23 #include <vlibsocket/api.h>
24 #include <vppinfra/error.h>
25 #include <vnet/ip/ip.h>
26 #include <memif/memif.h>
28 #define __plugin_msg_base memif_test_main.msg_id_base
29 #include <vlibapi/vat_helper_macros.h>
31 /* declare message IDs */
32 #include <memif/memif_msg_enum.h>
34 /* Get CRC codes of the messages defined outside of this plugin */
35 #define vl_msg_name_crc_list
36 #include <vpp/api/vpe_all_api_h.h>
37 #undef vl_msg_name_crc_list
39 /* define message structures */
41 #include <vpp/api/vpe_all_api_h.h>
42 #include <memif/memif_all_api_h.h>
45 /* declare message handlers for each api */
47 #define vl_endianfun /* define message structures */
48 #include <memif/memif_all_api_h.h>
51 /* instantiate all the print functions we know about */
52 #define vl_print(handle, ...)
54 #include <memif/memif_all_api_h.h>
57 /* Get the API version number. */
58 #define vl_api_version(n,v) static u32 api_version=(v);
59 #include <memif/memif_all_api_h.h>
64 /* API message ID base */
70 memif_test_main_t memif_test_main;
72 /* standard reply handlers */
73 #define foreach_standard_reply_retval_handler \
77 static void vl_api_##n##_t_handler \
78 (vl_api_##n##_t * mp) \
80 vat_main_t * vam = memif_test_main.vat_main; \
81 i32 retval = ntohl(mp->retval); \
82 if (vam->async_mode) { \
83 vam->async_errors += (retval < 0); \
85 vam->retval = retval; \
86 vam->result_ready = 1; \
89 foreach_standard_reply_retval_handler;
93 * Table of message reply handlers, must include boilerplate handlers
96 #define foreach_vpe_api_reply_msg \
97 _(MEMIF_CREATE_REPLY, memif_create_reply) \
98 _(MEMIF_DELETE_REPLY, memif_delete_reply) \
99 _(MEMIF_DETAILS, memif_details)
102 unformat_memif_queues (unformat_input_t * input, va_list * args)
104 u32 *rx_queues = va_arg (*args, u32 *);
105 u32 *tx_queues = va_arg (*args, u32 *);
107 if (unformat (input, "rx-queues %u", rx_queues))
109 if (unformat (input, "tx-queues %u", tx_queues))
115 /* memif-create API */
117 api_memif_create (vat_main_t * vam)
119 unformat_input_t *i = vam->input;
120 vl_api_memif_create_t *mp;
122 u8 *socket_filename = 0;
126 u8 hw_addr[6] = { 0 };
127 u32 rx_queues = MEMIF_DEFAULT_RX_QUEUES;
128 u32 tx_queues = MEMIF_DEFAULT_TX_QUEUES;
132 while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
134 if (unformat (i, "key 0x%" PRIx64, &key))
136 else if (unformat (i, "socket %s", &socket_filename))
138 else if (unformat (i, "ring_size %u", &ring_size))
140 else if (unformat (i, "buffer_size %u", &buffer_size))
142 else if (unformat (i, "master"))
144 else if (unformat (i, "slave %U",
145 unformat_memif_queues, &rx_queues, &tx_queues))
147 else if (unformat (i, "hw_addr %U", unformat_ethernet_address, hw_addr))
151 clib_warning ("unknown input '%U'", format_unformat_error, i);
156 if (!is_pow2 (ring_size))
158 errmsg ("ring size must be power of 2\n");
162 if (rx_queues > 255 || rx_queues < 1)
164 errmsg ("rx queue must be between 1 - 255\n");
168 if (tx_queues > 255 || tx_queues < 1)
170 errmsg ("tx queue must be between 1 - 255\n");
174 M (MEMIF_CREATE, mp);
176 mp->key = clib_host_to_net_u64 (key);
178 mp->ring_size = clib_host_to_net_u32 (ring_size);
179 mp->buffer_size = clib_host_to_net_u16 (buffer_size & 0xffff);
180 if (socket_filename != 0)
182 strncpy ((char *) mp->socket_filename, (char *) socket_filename, 127);
183 vec_free (socket_filename);
185 memcpy (mp->hw_addr, hw_addr, 6);
186 mp->rx_queues = rx_queues;
187 mp->tx_queues = tx_queues;
194 /* memif-create reply handler */
195 static void vl_api_memif_create_reply_t_handler
196 (vl_api_memif_create_reply_t * mp)
198 vat_main_t *vam = memif_test_main.vat_main;
199 i32 retval = ntohl (mp->retval);
203 fformat (vam->ofp, "created memif with sw_if_index %d\n",
204 ntohl (mp->sw_if_index));
207 vam->retval = retval;
208 vam->result_ready = 1;
211 /* memif-delete API */
213 api_memif_delete (vat_main_t * vam)
215 unformat_input_t *i = vam->input;
216 vl_api_memif_delete_t *mp;
218 u8 index_defined = 0;
221 while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
223 if (unformat (i, "sw_if_index %u", &sw_if_index))
227 clib_warning ("unknown input '%U'", format_unformat_error, i);
234 errmsg ("missing sw_if_index\n");
238 M (MEMIF_DELETE, mp);
240 mp->sw_if_index = clib_host_to_net_u32 (sw_if_index);
249 api_memif_dump (vat_main_t * vam)
251 memif_test_main_t *mm = &memif_test_main;
252 vl_api_memif_dump_t *mp;
253 vl_api_control_ping_t *mp_ping;
256 if (vam->json_output)
258 clib_warning ("JSON output not supported for memif_dump");
265 /* Use a control ping for synchronization */
266 mp_ping = vl_msg_api_alloc_as_if_client (sizeof (*mp_ping));
267 mp_ping->_vl_msg_id = htons (mm->ping_id);
268 mp_ping->client_index = vam->my_client_index;
270 fformat (vam->ofp, "Sending ping id=%d\n", mm->ping_id);
272 vam->result_ready = 0;
279 /* memif-details message handler */
280 static void vl_api_memif_details_t_handler (vl_api_memif_details_t * mp)
282 vat_main_t *vam = memif_test_main.vat_main;
284 fformat (vam->ofp, "%s: sw_if_index %u mac %U\n"
285 " key 0x%" PRIx64 " socket %s role %s\n"
286 " ring_size %u buffer_size %u\n"
287 " state %s link %s\n",
288 mp->if_name, ntohl (mp->sw_if_index), format_ethernet_address,
289 mp->hw_addr, clib_net_to_host_u64 (mp->key), mp->socket_filename,
290 mp->role ? "slave" : "master",
291 ntohl (mp->ring_size), ntohs (mp->buffer_size),
292 mp->admin_up_down ? "up" : "down",
293 mp->link_up_down ? "up" : "down");
297 * List of messages that the api test plugin sends,
298 * and that the data plane plugin processes
300 #define foreach_vpe_api_msg \
301 _(memif_create, "[key <key>] [socket <path>] [ring_size <size>] " \
302 "[buffer_size <size>] [hw_addr <mac_address>] " \
304 _(memif_delete, "<sw_if_index>") \
308 memif_vat_api_hookup (vat_main_t * vam)
310 memif_test_main_t *mm __attribute__ ((unused)) = &memif_test_main;
311 /* Hook up handlers for replies from the data plane plug-in */
313 vl_msg_api_set_handlers((VL_API_##N + mm->msg_id_base), \
315 vl_api_##n##_t_handler, \
317 vl_api_##n##_t_endian, \
318 vl_api_##n##_t_print, \
319 sizeof(vl_api_##n##_t), 1);
320 foreach_vpe_api_reply_msg;
323 /* API messages we can send */
325 hash_set_mem (vam->function_by_name, #n, api_##n);
330 #define _(n,h) hash_set_mem (vam->help_by_name, #n, h);
336 vat_plugin_register (vat_main_t * vam)
338 memif_test_main_t *mm = &memif_test_main;
343 /* Ask the vpp engine for the first assigned message-id */
344 name = format (0, "memif_%08x%c", api_version, 0);
345 mm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name);
347 /* Get the control ping ID */
348 #define _(id,n,crc) \
349 const char *id ## _CRC __attribute__ ((unused)) = #n "_" #crc;
350 foreach_vl_msg_name_crc_vpe;
352 mm->ping_id = vl_api_get_msg_index ((u8 *) (VL_API_CONTROL_PING_CRC));
354 if (mm->msg_id_base != (u16) ~0)
355 memif_vat_api_hookup (vam);