1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
3 */
4
5 #include <stdint.h>
6 #include <stdlib.h>
7 #include <string.h>
8
9 #include <rte_ethdev_driver.h>
10 #include <rte_ethdev_vdev.h>
11 #include <rte_malloc.h>
12 #include <rte_bus_vdev.h>
13 #include <rte_kvargs.h>
14 #include <rte_errno.h>
15 #include <rte_ring.h>
16 #include <rte_tm_driver.h>
17 #include <rte_mtr_driver.h>
18
19 #include "rte_eth_softnic.h"
20 #include "rte_eth_softnic_internals.h"
21
22 #define PMD_PARAM_FIRMWARE "firmware"
23 #define PMD_PARAM_CONN_PORT "conn_port"
24 #define PMD_PARAM_CPU_ID "cpu_id"
25 #define PMD_PARAM_SC "sc"
26 #define PMD_PARAM_TM_N_QUEUES "tm_n_queues"
27 #define PMD_PARAM_TM_QSIZE0 "tm_qsize0"
28 #define PMD_PARAM_TM_QSIZE1 "tm_qsize1"
29 #define PMD_PARAM_TM_QSIZE2 "tm_qsize2"
30 #define PMD_PARAM_TM_QSIZE3 "tm_qsize3"
31 #define PMD_PARAM_TM_QSIZE4 "tm_qsize4"
32 #define PMD_PARAM_TM_QSIZE5 "tm_qsize5"
33 #define PMD_PARAM_TM_QSIZE6 "tm_qsize6"
34 #define PMD_PARAM_TM_QSIZE7 "tm_qsize7"
35 #define PMD_PARAM_TM_QSIZE8 "tm_qsize8"
36 #define PMD_PARAM_TM_QSIZE9 "tm_qsize9"
37 #define PMD_PARAM_TM_QSIZE10 "tm_qsize10"
38 #define PMD_PARAM_TM_QSIZE11 "tm_qsize11"
39 #define PMD_PARAM_TM_QSIZE12 "tm_qsize12"
40
41
42 static const char * const pmd_valid_args[] = {
43 PMD_PARAM_FIRMWARE,
44 PMD_PARAM_CONN_PORT,
45 PMD_PARAM_CPU_ID,
46 PMD_PARAM_SC,
47 PMD_PARAM_TM_N_QUEUES,
48 PMD_PARAM_TM_QSIZE0,
49 PMD_PARAM_TM_QSIZE1,
50 PMD_PARAM_TM_QSIZE2,
51 PMD_PARAM_TM_QSIZE3,
52 PMD_PARAM_TM_QSIZE4,
53 PMD_PARAM_TM_QSIZE5,
54 PMD_PARAM_TM_QSIZE6,
55 PMD_PARAM_TM_QSIZE7,
56 PMD_PARAM_TM_QSIZE8,
57 PMD_PARAM_TM_QSIZE9,
58 PMD_PARAM_TM_QSIZE10,
59 PMD_PARAM_TM_QSIZE11,
60 PMD_PARAM_TM_QSIZE12,
61 NULL
62 };
63
64 static const char welcome[] =
65 "\n"
66 "Welcome to Soft NIC!\n"
67 "\n";
68
69 static const char prompt[] = "softnic> ";
70
71 static const struct softnic_conn_params conn_params_default = {
72 .welcome = welcome,
73 .prompt = prompt,
74 .addr = "0.0.0.0",
75 .port = 0,
76 .buf_size = 1024 * 1024,
77 .msg_in_len_max = 1024,
78 .msg_out_len_max = 1024 * 1024,
79 .msg_handle = softnic_cli_process,
80 .msg_handle_arg = NULL,
81 };
82
83 RTE_LOG_REGISTER(pmd_softnic_logtype, pmd.net.softnic, NOTICE);
84
85 #define PMD_LOG(level, fmt, args...) \
86 rte_log(RTE_LOG_ ## level, pmd_softnic_logtype, \
87 "%s(): " fmt "\n", __func__, ##args)
88
89 static int
pmd_dev_infos_get(struct rte_eth_dev * dev __rte_unused,struct rte_eth_dev_info * dev_info)90 pmd_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
91 struct rte_eth_dev_info *dev_info)
92 {
93 dev_info->max_rx_pktlen = UINT32_MAX;
94 dev_info->max_rx_queues = UINT16_MAX;
95 dev_info->max_tx_queues = UINT16_MAX;
96
97 return 0;
98 }
99
100 static int
pmd_dev_configure(struct rte_eth_dev * dev __rte_unused)101 pmd_dev_configure(struct rte_eth_dev *dev __rte_unused)
102 {
103 return 0;
104 }
105
106 static int
pmd_rx_queue_setup(struct rte_eth_dev * dev,uint16_t rx_queue_id,uint16_t nb_rx_desc,unsigned int socket_id __rte_unused,const struct rte_eth_rxconf * rx_conf __rte_unused,struct rte_mempool * mb_pool __rte_unused)107 pmd_rx_queue_setup(struct rte_eth_dev *dev,
108 uint16_t rx_queue_id,
109 uint16_t nb_rx_desc,
110 unsigned int socket_id __rte_unused,
111 const struct rte_eth_rxconf *rx_conf __rte_unused,
112 struct rte_mempool *mb_pool __rte_unused)
113 {
114 char name[NAME_SIZE];
115 struct pmd_internals *p = dev->data->dev_private;
116 struct softnic_swq *swq;
117
118 struct softnic_swq_params params = {
119 .size = nb_rx_desc,
120 };
121
122 snprintf(name, sizeof(name), "RXQ%u", rx_queue_id);
123
124 swq = softnic_swq_create(p,
125 name,
126 ¶ms);
127 if (swq == NULL)
128 return -1;
129
130 dev->data->rx_queues[rx_queue_id] = swq->r;
131 return 0;
132 }
133
134 static int
pmd_tx_queue_setup(struct rte_eth_dev * dev,uint16_t tx_queue_id,uint16_t nb_tx_desc,unsigned int socket_id __rte_unused,const struct rte_eth_txconf * tx_conf __rte_unused)135 pmd_tx_queue_setup(struct rte_eth_dev *dev,
136 uint16_t tx_queue_id,
137 uint16_t nb_tx_desc,
138 unsigned int socket_id __rte_unused,
139 const struct rte_eth_txconf *tx_conf __rte_unused)
140 {
141 char name[NAME_SIZE];
142 struct pmd_internals *p = dev->data->dev_private;
143 struct softnic_swq *swq;
144
145 struct softnic_swq_params params = {
146 .size = nb_tx_desc,
147 };
148
149 snprintf(name, sizeof(name), "TXQ%u", tx_queue_id);
150
151 swq = softnic_swq_create(p,
152 name,
153 ¶ms);
154 if (swq == NULL)
155 return -1;
156
157 dev->data->tx_queues[tx_queue_id] = swq->r;
158 return 0;
159 }
160
161 static int
pmd_dev_start(struct rte_eth_dev * dev)162 pmd_dev_start(struct rte_eth_dev *dev)
163 {
164 struct pmd_internals *p = dev->data->dev_private;
165 int status;
166
167 /* Firmware */
168 status = softnic_cli_script_process(p,
169 p->params.firmware,
170 conn_params_default.msg_in_len_max,
171 conn_params_default.msg_out_len_max);
172 if (status)
173 return status;
174
175 /* Link UP */
176 dev->data->dev_link.link_status = ETH_LINK_UP;
177
178 return 0;
179 }
180
181 static int
pmd_dev_stop(struct rte_eth_dev * dev)182 pmd_dev_stop(struct rte_eth_dev *dev)
183 {
184 struct pmd_internals *p = dev->data->dev_private;
185
186 /* Link DOWN */
187 dev->data->dev_link.link_status = ETH_LINK_DOWN;
188
189 /* Firmware */
190 softnic_pipeline_disable_all(p);
191 softnic_pipeline_free(p);
192 softnic_table_action_profile_free(p);
193 softnic_port_in_action_profile_free(p);
194 softnic_tap_free(p);
195 softnic_tmgr_free(p);
196 softnic_link_free(p);
197 softnic_softnic_swq_free_keep_rxq_txq(p);
198 softnic_mempool_free(p);
199
200 tm_hierarchy_free(p);
201 softnic_mtr_free(p);
202
203 return 0;
204 }
205
206 static void
pmd_free(struct pmd_internals * p)207 pmd_free(struct pmd_internals *p)
208 {
209 if (p == NULL)
210 return;
211
212 if (p->params.conn_port)
213 softnic_conn_free(p->conn);
214
215 softnic_thread_free(p);
216 softnic_pipeline_free(p);
217 softnic_table_action_profile_free(p);
218 softnic_port_in_action_profile_free(p);
219 softnic_tap_free(p);
220 softnic_tmgr_free(p);
221 softnic_link_free(p);
222 softnic_swq_free(p);
223 softnic_mempool_free(p);
224
225 tm_hierarchy_free(p);
226 softnic_mtr_free(p);
227
228 rte_free(p);
229 }
230
231 static int
pmd_dev_close(struct rte_eth_dev * dev)232 pmd_dev_close(struct rte_eth_dev *dev)
233 {
234 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
235 return 0;
236
237 pmd_free(dev->data->dev_private);
238 dev->data->dev_private = NULL; /* already freed */
239 dev->data->mac_addrs = NULL; /* statically allocated */
240 return 0;
241 }
242
243 static int
pmd_link_update(struct rte_eth_dev * dev __rte_unused,int wait_to_complete __rte_unused)244 pmd_link_update(struct rte_eth_dev *dev __rte_unused,
245 int wait_to_complete __rte_unused)
246 {
247 return 0;
248 }
249
250 static int
pmd_filter_ctrl(struct rte_eth_dev * dev __rte_unused,enum rte_filter_type filter_type,enum rte_filter_op filter_op,void * arg)251 pmd_filter_ctrl(struct rte_eth_dev *dev __rte_unused,
252 enum rte_filter_type filter_type,
253 enum rte_filter_op filter_op,
254 void *arg)
255 {
256 if (filter_type == RTE_ETH_FILTER_GENERIC &&
257 filter_op == RTE_ETH_FILTER_GET) {
258 *(const void **)arg = &pmd_flow_ops;
259 return 0;
260 }
261
262 return -ENOTSUP;
263 }
264
265 static int
pmd_tm_ops_get(struct rte_eth_dev * dev __rte_unused,void * arg)266 pmd_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
267 {
268 *(const struct rte_tm_ops **)arg = &pmd_tm_ops;
269
270 return 0;
271 }
272
273 static int
pmd_mtr_ops_get(struct rte_eth_dev * dev __rte_unused,void * arg)274 pmd_mtr_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
275 {
276 *(const struct rte_mtr_ops **)arg = &pmd_mtr_ops;
277
278 return 0;
279 }
280
281 static const struct eth_dev_ops pmd_ops = {
282 .dev_configure = pmd_dev_configure,
283 .dev_start = pmd_dev_start,
284 .dev_stop = pmd_dev_stop,
285 .dev_close = pmd_dev_close,
286 .link_update = pmd_link_update,
287 .dev_infos_get = pmd_dev_infos_get,
288 .rx_queue_setup = pmd_rx_queue_setup,
289 .tx_queue_setup = pmd_tx_queue_setup,
290 .filter_ctrl = pmd_filter_ctrl,
291 .tm_ops_get = pmd_tm_ops_get,
292 .mtr_ops_get = pmd_mtr_ops_get,
293 };
294
295 static uint16_t
pmd_rx_pkt_burst(void * rxq,struct rte_mbuf ** rx_pkts,uint16_t nb_pkts)296 pmd_rx_pkt_burst(void *rxq,
297 struct rte_mbuf **rx_pkts,
298 uint16_t nb_pkts)
299 {
300 return (uint16_t)rte_ring_sc_dequeue_burst(rxq,
301 (void **)rx_pkts,
302 nb_pkts,
303 NULL);
304 }
305
306 static uint16_t
pmd_tx_pkt_burst(void * txq,struct rte_mbuf ** tx_pkts,uint16_t nb_pkts)307 pmd_tx_pkt_burst(void *txq,
308 struct rte_mbuf **tx_pkts,
309 uint16_t nb_pkts)
310 {
311 return (uint16_t)rte_ring_sp_enqueue_burst(txq,
312 (void **)tx_pkts,
313 nb_pkts,
314 NULL);
315 }
316
317 static void *
pmd_init(struct pmd_params * params)318 pmd_init(struct pmd_params *params)
319 {
320 struct pmd_internals *p;
321 int status;
322
323 p = rte_zmalloc_socket(params->name,
324 sizeof(struct pmd_internals),
325 0,
326 params->cpu_id);
327 if (p == NULL)
328 return NULL;
329
330 /* Params */
331 memcpy(&p->params, params, sizeof(p->params));
332
333 /* Resources */
334 tm_hierarchy_init(p);
335 softnic_mtr_init(p);
336
337 softnic_mempool_init(p);
338 softnic_swq_init(p);
339 softnic_link_init(p);
340 softnic_tmgr_init(p);
341 softnic_tap_init(p);
342 softnic_cryptodev_init(p);
343 softnic_port_in_action_profile_init(p);
344 softnic_table_action_profile_init(p);
345 softnic_pipeline_init(p);
346
347 status = softnic_thread_init(p);
348 if (status) {
349 rte_free(p);
350 return NULL;
351 }
352
353 if (params->conn_port) {
354 struct softnic_conn_params conn_params;
355
356 memcpy(&conn_params, &conn_params_default, sizeof(conn_params));
357 conn_params.port = p->params.conn_port;
358 conn_params.msg_handle_arg = p;
359
360 p->conn = softnic_conn_init(&conn_params);
361 if (p->conn == NULL) {
362 softnic_thread_free(p);
363 rte_free(p);
364 return NULL;
365 }
366 }
367
368 return p;
369 }
370
371 static struct rte_ether_addr eth_addr = {
372 .addr_bytes = {0},
373 };
374
375 static int
pmd_ethdev_register(struct rte_vdev_device * vdev,struct pmd_params * params,void * dev_private)376 pmd_ethdev_register(struct rte_vdev_device *vdev,
377 struct pmd_params *params,
378 void *dev_private)
379 {
380 struct rte_eth_dev *dev;
381
382 /* Ethdev entry allocation */
383 dev = rte_eth_dev_allocate(params->name);
384 if (!dev)
385 return -ENOMEM;
386
387 /* dev */
388 dev->rx_pkt_burst = pmd_rx_pkt_burst;
389 dev->tx_pkt_burst = pmd_tx_pkt_burst;
390 dev->tx_pkt_prepare = NULL;
391 dev->dev_ops = &pmd_ops;
392 dev->device = &vdev->device;
393
394 /* dev->data */
395 dev->data->dev_private = dev_private;
396 dev->data->dev_link.link_speed = ETH_SPEED_NUM_100G;
397 dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
398 dev->data->dev_link.link_autoneg = ETH_LINK_FIXED;
399 dev->data->dev_link.link_status = ETH_LINK_DOWN;
400 dev->data->mac_addrs = ð_addr;
401 dev->data->promiscuous = 1;
402 dev->data->numa_node = params->cpu_id;
403
404 rte_eth_dev_probing_finish(dev);
405
406 return 0;
407 }
408
409 static int
get_string(const char * key __rte_unused,const char * value,void * extra_args)410 get_string(const char *key __rte_unused, const char *value, void *extra_args)
411 {
412 if (!value || !extra_args)
413 return -EINVAL;
414
415 *(char **)extra_args = strdup(value);
416
417 if (!*(char **)extra_args)
418 return -ENOMEM;
419
420 return 0;
421 }
422
423 static int
get_uint32(const char * key __rte_unused,const char * value,void * extra_args)424 get_uint32(const char *key __rte_unused, const char *value, void *extra_args)
425 {
426 if (!value || !extra_args)
427 return -EINVAL;
428
429 *(uint32_t *)extra_args = strtoull(value, NULL, 0);
430
431 return 0;
432 }
433
434 static int
get_uint16(const char * key __rte_unused,const char * value,void * extra_args)435 get_uint16(const char *key __rte_unused, const char *value, void *extra_args)
436 {
437 if (!value || !extra_args)
438 return -EINVAL;
439
440 *(uint16_t *)extra_args = strtoull(value, NULL, 0);
441
442 return 0;
443 }
444
445 static int
pmd_parse_args(struct pmd_params * p,const char * params)446 pmd_parse_args(struct pmd_params *p, const char *params)
447 {
448 struct rte_kvargs *kvlist;
449 int ret = 0;
450
451 kvlist = rte_kvargs_parse(params, pmd_valid_args);
452 if (kvlist == NULL)
453 return -EINVAL;
454
455 /* Set default values */
456 memset(p, 0, sizeof(*p));
457 p->firmware = SOFTNIC_FIRMWARE;
458 p->cpu_id = SOFTNIC_CPU_ID;
459 p->sc = SOFTNIC_SC;
460 p->tm.n_queues = SOFTNIC_TM_N_QUEUES;
461 p->tm.qsize[0] = SOFTNIC_TM_QUEUE_SIZE;
462 p->tm.qsize[1] = SOFTNIC_TM_QUEUE_SIZE;
463 p->tm.qsize[2] = SOFTNIC_TM_QUEUE_SIZE;
464 p->tm.qsize[3] = SOFTNIC_TM_QUEUE_SIZE;
465 p->tm.qsize[4] = SOFTNIC_TM_QUEUE_SIZE;
466 p->tm.qsize[5] = SOFTNIC_TM_QUEUE_SIZE;
467 p->tm.qsize[6] = SOFTNIC_TM_QUEUE_SIZE;
468 p->tm.qsize[7] = SOFTNIC_TM_QUEUE_SIZE;
469 p->tm.qsize[8] = SOFTNIC_TM_QUEUE_SIZE;
470 p->tm.qsize[9] = SOFTNIC_TM_QUEUE_SIZE;
471 p->tm.qsize[10] = SOFTNIC_TM_QUEUE_SIZE;
472 p->tm.qsize[11] = SOFTNIC_TM_QUEUE_SIZE;
473 p->tm.qsize[12] = SOFTNIC_TM_QUEUE_SIZE;
474
475 /* Firmware script (optional) */
476 if (rte_kvargs_count(kvlist, PMD_PARAM_FIRMWARE) == 1) {
477 ret = rte_kvargs_process(kvlist, PMD_PARAM_FIRMWARE,
478 &get_string, &p->firmware);
479 if (ret < 0)
480 goto out_free;
481 }
482
483 /* Connection listening port (optional) */
484 if (rte_kvargs_count(kvlist, PMD_PARAM_CONN_PORT) == 1) {
485 ret = rte_kvargs_process(kvlist, PMD_PARAM_CONN_PORT,
486 &get_uint16, &p->conn_port);
487 if (ret < 0)
488 goto out_free;
489 }
490
491 /* CPU ID (optional) */
492 if (rte_kvargs_count(kvlist, PMD_PARAM_CPU_ID) == 1) {
493 ret = rte_kvargs_process(kvlist, PMD_PARAM_CPU_ID,
494 &get_uint32, &p->cpu_id);
495 if (ret < 0)
496 goto out_free;
497 }
498
499 /* Service cores (optional) */
500 if (rte_kvargs_count(kvlist, PMD_PARAM_SC) == 1) {
501 ret = rte_kvargs_process(kvlist, PMD_PARAM_SC,
502 &get_uint32, &p->sc);
503 if (ret < 0)
504 goto out_free;
505 }
506
507 /* TM number of queues (optional) */
508 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_N_QUEUES) == 1) {
509 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_N_QUEUES,
510 &get_uint32, &p->tm.n_queues);
511 if (ret < 0)
512 goto out_free;
513 }
514
515 /* TM queue size 0 .. 3 (optional) */
516 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE0) == 1) {
517 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE0,
518 &get_uint32, &p->tm.qsize[0]);
519 if (ret < 0)
520 goto out_free;
521 }
522
523 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE1) == 1) {
524 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE1,
525 &get_uint32, &p->tm.qsize[1]);
526 if (ret < 0)
527 goto out_free;
528 }
529
530 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE2) == 1) {
531 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE2,
532 &get_uint32, &p->tm.qsize[2]);
533 if (ret < 0)
534 goto out_free;
535 }
536
537 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE3) == 1) {
538 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE3,
539 &get_uint32, &p->tm.qsize[3]);
540 if (ret < 0)
541 goto out_free;
542 }
543
544 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE4) == 1) {
545 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE4,
546 &get_uint32, &p->tm.qsize[4]);
547 if (ret < 0)
548 goto out_free;
549 }
550
551 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE5) == 1) {
552 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE5,
553 &get_uint32, &p->tm.qsize[5]);
554 if (ret < 0)
555 goto out_free;
556 }
557
558 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE6) == 1) {
559 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE6,
560 &get_uint32, &p->tm.qsize[6]);
561 if (ret < 0)
562 goto out_free;
563 }
564
565 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE7) == 1) {
566 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE7,
567 &get_uint32, &p->tm.qsize[7]);
568 if (ret < 0)
569 goto out_free;
570 }
571 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE8) == 1) {
572 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE8,
573 &get_uint32, &p->tm.qsize[8]);
574 if (ret < 0)
575 goto out_free;
576 }
577 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE9) == 1) {
578 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE9,
579 &get_uint32, &p->tm.qsize[9]);
580 if (ret < 0)
581 goto out_free;
582 }
583
584 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE10) == 1) {
585 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE10,
586 &get_uint32, &p->tm.qsize[10]);
587 if (ret < 0)
588 goto out_free;
589 }
590
591 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE11) == 1) {
592 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE11,
593 &get_uint32, &p->tm.qsize[11]);
594 if (ret < 0)
595 goto out_free;
596 }
597
598 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE12) == 1) {
599 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE12,
600 &get_uint32, &p->tm.qsize[12]);
601 if (ret < 0)
602 goto out_free;
603 }
604
605 out_free:
606 rte_kvargs_free(kvlist);
607 return ret;
608 }
609
610 static int
pmd_probe(struct rte_vdev_device * vdev)611 pmd_probe(struct rte_vdev_device *vdev)
612 {
613 struct pmd_params p;
614 const char *params;
615 int status = 0;
616
617 void *dev_private;
618 const char *name = rte_vdev_device_name(vdev);
619
620 PMD_LOG(INFO, "Probing device \"%s\"", name);
621
622 /* Parse input arguments */
623 params = rte_vdev_device_args(vdev);
624 if (!params)
625 return -EINVAL;
626
627 status = pmd_parse_args(&p, params);
628 if (status)
629 return status;
630
631 p.name = name;
632
633 /* Allocate and initialize soft ethdev private data */
634 dev_private = pmd_init(&p);
635 if (dev_private == NULL)
636 return -ENOMEM;
637
638 /* Register soft ethdev */
639 PMD_LOG(INFO, "Creating soft ethdev \"%s\"", p.name);
640
641 status = pmd_ethdev_register(vdev, &p, dev_private);
642 if (status) {
643 pmd_free(dev_private);
644 return status;
645 }
646
647 return 0;
648 }
649
650 static int
pmd_remove(struct rte_vdev_device * vdev)651 pmd_remove(struct rte_vdev_device *vdev)
652 {
653 struct rte_eth_dev *dev = NULL;
654
655 if (!vdev)
656 return -EINVAL;
657
658 PMD_LOG(INFO, "Removing device \"%s\"", rte_vdev_device_name(vdev));
659
660 /* Find the ethdev entry */
661 dev = rte_eth_dev_allocated(rte_vdev_device_name(vdev));
662 if (dev == NULL)
663 return 0; /* port already released */
664
665 pmd_dev_close(dev);
666 rte_eth_dev_release_port(dev);
667
668 return 0;
669 }
670
671 static struct rte_vdev_driver pmd_softnic_drv = {
672 .probe = pmd_probe,
673 .remove = pmd_remove,
674 };
675
676 RTE_PMD_REGISTER_VDEV(net_softnic, pmd_softnic_drv);
677 RTE_PMD_REGISTER_PARAM_STRING(net_softnic,
678 PMD_PARAM_FIRMWARE "=<string> "
679 PMD_PARAM_CONN_PORT "=<uint16> "
680 PMD_PARAM_CPU_ID "=<uint32> "
681 PMD_PARAM_TM_N_QUEUES "=<uint32> "
682 PMD_PARAM_TM_QSIZE0 "=<uint32> "
683 PMD_PARAM_TM_QSIZE1 "=<uint32> "
684 PMD_PARAM_TM_QSIZE2 "=<uint32> "
685 PMD_PARAM_TM_QSIZE3 "=<uint32>"
686 PMD_PARAM_TM_QSIZE4 "=<uint32> "
687 PMD_PARAM_TM_QSIZE5 "=<uint32> "
688 PMD_PARAM_TM_QSIZE6 "=<uint32> "
689 PMD_PARAM_TM_QSIZE7 "=<uint32> "
690 PMD_PARAM_TM_QSIZE8 "=<uint32> "
691 PMD_PARAM_TM_QSIZE9 "=<uint32> "
692 PMD_PARAM_TM_QSIZE10 "=<uint32> "
693 PMD_PARAM_TM_QSIZE11 "=<uint32>"
694 PMD_PARAM_TM_QSIZE12 "=<uint32>"
695 );
696
697 int
rte_pmd_softnic_manage(uint16_t port_id)698 rte_pmd_softnic_manage(uint16_t port_id)
699 {
700 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
701 struct pmd_internals *softnic;
702
703 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
704 RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
705 #endif
706
707 softnic = dev->data->dev_private;
708
709 softnic_conn_poll_for_conn(softnic->conn);
710
711 softnic_conn_poll_for_msg(softnic->conn);
712
713 return 0;
714 }
715