1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Intel Corporation
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>
16 #include <rte_tm_driver.h>
17 #include <rte_mtr_driver.h>
19 #include "rte_eth_softnic.h"
20 #include "rte_eth_softnic_internals.h"
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_TM_N_QUEUES "tm_n_queues"
26 #define PMD_PARAM_TM_QSIZE0 "tm_qsize0"
27 #define PMD_PARAM_TM_QSIZE1 "tm_qsize1"
28 #define PMD_PARAM_TM_QSIZE2 "tm_qsize2"
29 #define PMD_PARAM_TM_QSIZE3 "tm_qsize3"
31 static const char * const pmd_valid_args[] = {
35 PMD_PARAM_TM_N_QUEUES,
43 static const char welcome[] =
45 "Welcome to Soft NIC!\n"
48 static const char prompt[] = "softnic> ";
50 static const struct softnic_conn_params conn_params_default = {
55 .buf_size = 1024 * 1024,
56 .msg_in_len_max = 1024,
57 .msg_out_len_max = 1024 * 1024,
58 .msg_handle = softnic_cli_process,
59 .msg_handle_arg = NULL,
62 static int pmd_softnic_logtype;
64 #define PMD_LOG(level, fmt, args...) \
65 rte_log(RTE_LOG_ ## level, pmd_softnic_logtype, \
66 "%s(): " fmt "\n", __func__, ##args)
69 pmd_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
70 struct rte_eth_dev_info *dev_info)
72 dev_info->max_rx_pktlen = UINT32_MAX;
73 dev_info->max_rx_queues = UINT16_MAX;
74 dev_info->max_tx_queues = UINT16_MAX;
78 pmd_dev_configure(struct rte_eth_dev *dev __rte_unused)
84 pmd_rx_queue_setup(struct rte_eth_dev *dev,
87 unsigned int socket_id __rte_unused,
88 const struct rte_eth_rxconf *rx_conf __rte_unused,
89 struct rte_mempool *mb_pool __rte_unused)
92 struct pmd_internals *p = dev->data->dev_private;
93 struct softnic_swq *swq;
95 struct softnic_swq_params params = {
99 snprintf(name, sizeof(name), "RXQ%u", rx_queue_id);
101 swq = softnic_swq_create(p,
107 dev->data->rx_queues[rx_queue_id] = swq->r;
112 pmd_tx_queue_setup(struct rte_eth_dev *dev,
113 uint16_t tx_queue_id,
115 unsigned int socket_id __rte_unused,
116 const struct rte_eth_txconf *tx_conf __rte_unused)
118 char name[NAME_SIZE];
119 struct pmd_internals *p = dev->data->dev_private;
120 struct softnic_swq *swq;
122 struct softnic_swq_params params = {
126 snprintf(name, sizeof(name), "TXQ%u", tx_queue_id);
128 swq = softnic_swq_create(p,
134 dev->data->tx_queues[tx_queue_id] = swq->r;
139 pmd_dev_start(struct rte_eth_dev *dev)
141 struct pmd_internals *p = dev->data->dev_private;
145 status = softnic_cli_script_process(p,
147 conn_params_default.msg_in_len_max,
148 conn_params_default.msg_out_len_max);
153 dev->data->dev_link.link_status = ETH_LINK_UP;
159 pmd_dev_stop(struct rte_eth_dev *dev)
161 struct pmd_internals *p = dev->data->dev_private;
164 dev->data->dev_link.link_status = ETH_LINK_DOWN;
167 softnic_pipeline_disable_all(p);
168 softnic_pipeline_free(p);
169 softnic_table_action_profile_free(p);
170 softnic_port_in_action_profile_free(p);
172 softnic_tmgr_free(p);
173 softnic_link_free(p);
174 softnic_softnic_swq_free_keep_rxq_txq(p);
175 softnic_mempool_free(p);
177 tm_hierarchy_free(p);
182 pmd_dev_close(struct rte_eth_dev *dev __rte_unused)
188 pmd_link_update(struct rte_eth_dev *dev __rte_unused,
189 int wait_to_complete __rte_unused)
195 pmd_filter_ctrl(struct rte_eth_dev *dev __rte_unused,
196 enum rte_filter_type filter_type,
197 enum rte_filter_op filter_op,
200 if (filter_type == RTE_ETH_FILTER_GENERIC &&
201 filter_op == RTE_ETH_FILTER_GET) {
202 *(const void **)arg = &pmd_flow_ops;
210 pmd_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
212 *(const struct rte_tm_ops **)arg = &pmd_tm_ops;
218 pmd_mtr_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg)
220 *(const struct rte_mtr_ops **)arg = &pmd_mtr_ops;
225 static const struct eth_dev_ops pmd_ops = {
226 .dev_configure = pmd_dev_configure,
227 .dev_start = pmd_dev_start,
228 .dev_stop = pmd_dev_stop,
229 .dev_close = pmd_dev_close,
230 .link_update = pmd_link_update,
231 .dev_infos_get = pmd_dev_infos_get,
232 .rx_queue_setup = pmd_rx_queue_setup,
233 .tx_queue_setup = pmd_tx_queue_setup,
234 .filter_ctrl = pmd_filter_ctrl,
235 .tm_ops_get = pmd_tm_ops_get,
236 .mtr_ops_get = pmd_mtr_ops_get,
240 pmd_rx_pkt_burst(void *rxq,
241 struct rte_mbuf **rx_pkts,
244 return (uint16_t)rte_ring_sc_dequeue_burst(rxq,
251 pmd_tx_pkt_burst(void *txq,
252 struct rte_mbuf **tx_pkts,
255 return (uint16_t)rte_ring_sp_enqueue_burst(txq,
262 pmd_init(struct pmd_params *params)
264 struct pmd_internals *p;
267 p = rte_zmalloc_socket(params->name,
268 sizeof(struct pmd_internals),
275 memcpy(&p->params, params, sizeof(p->params));
278 tm_hierarchy_init(p);
281 softnic_mempool_init(p);
283 softnic_link_init(p);
284 softnic_tmgr_init(p);
286 softnic_cryptodev_init(p);
287 softnic_port_in_action_profile_init(p);
288 softnic_table_action_profile_init(p);
289 softnic_pipeline_init(p);
291 status = softnic_thread_init(p);
297 if (params->conn_port) {
298 struct softnic_conn_params conn_params;
300 memcpy(&conn_params, &conn_params_default, sizeof(conn_params));
301 conn_params.port = p->params.conn_port;
302 conn_params.msg_handle_arg = p;
304 p->conn = softnic_conn_init(&conn_params);
305 if (p->conn == NULL) {
306 softnic_thread_free(p);
316 pmd_free(struct pmd_internals *p)
321 if (p->params.conn_port)
322 softnic_conn_free(p->conn);
324 softnic_thread_free(p);
325 softnic_pipeline_free(p);
326 softnic_table_action_profile_free(p);
327 softnic_port_in_action_profile_free(p);
329 softnic_tmgr_free(p);
330 softnic_link_free(p);
332 softnic_mempool_free(p);
334 tm_hierarchy_free(p);
340 static struct ether_addr eth_addr = {
345 pmd_ethdev_register(struct rte_vdev_device *vdev,
346 struct pmd_params *params,
349 struct rte_eth_dev *dev;
351 /* Ethdev entry allocation */
352 dev = rte_eth_dev_allocate(params->name);
357 dev->rx_pkt_burst = pmd_rx_pkt_burst;
358 dev->tx_pkt_burst = pmd_tx_pkt_burst;
359 dev->tx_pkt_prepare = NULL;
360 dev->dev_ops = &pmd_ops;
361 dev->device = &vdev->device;
364 dev->data->dev_private = dev_private;
365 dev->data->dev_link.link_speed = ETH_SPEED_NUM_100G;
366 dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
367 dev->data->dev_link.link_autoneg = ETH_LINK_FIXED;
368 dev->data->dev_link.link_status = ETH_LINK_DOWN;
369 dev->data->mac_addrs = ð_addr;
370 dev->data->promiscuous = 1;
371 dev->data->kdrv = RTE_KDRV_NONE;
372 dev->data->numa_node = params->cpu_id;
374 rte_eth_dev_probing_finish(dev);
380 get_string(const char *key __rte_unused, const char *value, void *extra_args)
382 if (!value || !extra_args)
385 *(char **)extra_args = strdup(value);
387 if (!*(char **)extra_args)
394 get_uint32(const char *key __rte_unused, const char *value, void *extra_args)
396 if (!value || !extra_args)
399 *(uint32_t *)extra_args = strtoull(value, NULL, 0);
405 get_uint16(const char *key __rte_unused, const char *value, void *extra_args)
407 if (!value || !extra_args)
410 *(uint16_t *)extra_args = strtoull(value, NULL, 0);
416 pmd_parse_args(struct pmd_params *p, const char *params)
418 struct rte_kvargs *kvlist;
421 kvlist = rte_kvargs_parse(params, pmd_valid_args);
425 /* Set default values */
426 memset(p, 0, sizeof(*p));
427 p->firmware = SOFTNIC_FIRMWARE;
428 p->cpu_id = SOFTNIC_CPU_ID;
429 p->tm.n_queues = SOFTNIC_TM_N_QUEUES;
430 p->tm.qsize[0] = SOFTNIC_TM_QUEUE_SIZE;
431 p->tm.qsize[1] = SOFTNIC_TM_QUEUE_SIZE;
432 p->tm.qsize[2] = SOFTNIC_TM_QUEUE_SIZE;
433 p->tm.qsize[3] = SOFTNIC_TM_QUEUE_SIZE;
435 /* Firmware script (optional) */
436 if (rte_kvargs_count(kvlist, PMD_PARAM_FIRMWARE) == 1) {
437 ret = rte_kvargs_process(kvlist, PMD_PARAM_FIRMWARE,
438 &get_string, &p->firmware);
443 /* Connection listening port (optional) */
444 if (rte_kvargs_count(kvlist, PMD_PARAM_CONN_PORT) == 1) {
445 ret = rte_kvargs_process(kvlist, PMD_PARAM_CONN_PORT,
446 &get_uint16, &p->conn_port);
451 /* CPU ID (optional) */
452 if (rte_kvargs_count(kvlist, PMD_PARAM_CPU_ID) == 1) {
453 ret = rte_kvargs_process(kvlist, PMD_PARAM_CPU_ID,
454 &get_uint32, &p->cpu_id);
459 /* TM number of queues (optional) */
460 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_N_QUEUES) == 1) {
461 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_N_QUEUES,
462 &get_uint32, &p->tm.n_queues);
467 /* TM queue size 0 .. 3 (optional) */
468 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE0) == 1) {
469 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE0,
470 &get_uint32, &p->tm.qsize[0]);
475 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE1) == 1) {
476 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE1,
477 &get_uint32, &p->tm.qsize[1]);
482 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE2) == 1) {
483 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE2,
484 &get_uint32, &p->tm.qsize[2]);
489 if (rte_kvargs_count(kvlist, PMD_PARAM_TM_QSIZE3) == 1) {
490 ret = rte_kvargs_process(kvlist, PMD_PARAM_TM_QSIZE3,
491 &get_uint32, &p->tm.qsize[3]);
497 rte_kvargs_free(kvlist);
502 pmd_probe(struct rte_vdev_device *vdev)
509 const char *name = rte_vdev_device_name(vdev);
511 PMD_LOG(INFO, "Probing device \"%s\"", name);
513 /* Parse input arguments */
514 params = rte_vdev_device_args(vdev);
518 status = pmd_parse_args(&p, params);
524 /* Allocate and initialize soft ethdev private data */
525 dev_private = pmd_init(&p);
526 if (dev_private == NULL)
529 /* Register soft ethdev */
530 PMD_LOG(INFO, "Creating soft ethdev \"%s\"", p.name);
532 status = pmd_ethdev_register(vdev, &p, dev_private);
534 pmd_free(dev_private);
542 pmd_remove(struct rte_vdev_device *vdev)
544 struct rte_eth_dev *dev = NULL;
549 PMD_LOG(INFO, "Removing device \"%s\"", rte_vdev_device_name(vdev));
551 /* Find the ethdev entry */
552 dev = rte_eth_dev_allocated(rte_vdev_device_name(vdev));
556 /* Free device data structures*/
557 pmd_free(dev->data->dev_private);
558 dev->data->dev_private = NULL; /* already freed */
559 dev->data->mac_addrs = NULL; /* statically allocated */
560 rte_eth_dev_release_port(dev);
565 static struct rte_vdev_driver pmd_softnic_drv = {
567 .remove = pmd_remove,
570 RTE_PMD_REGISTER_VDEV(net_softnic, pmd_softnic_drv);
571 RTE_PMD_REGISTER_PARAM_STRING(net_softnic,
572 PMD_PARAM_FIRMWARE "=<string> "
573 PMD_PARAM_CONN_PORT "=<uint16> "
574 PMD_PARAM_CPU_ID "=<uint32> "
575 PMD_PARAM_TM_N_QUEUES "=<uint32> "
576 PMD_PARAM_TM_QSIZE0 "=<uint32> "
577 PMD_PARAM_TM_QSIZE1 "=<uint32> "
578 PMD_PARAM_TM_QSIZE2 "=<uint32> "
579 PMD_PARAM_TM_QSIZE3 "=<uint32>"
583 RTE_INIT(pmd_softnic_init_log)
585 pmd_softnic_logtype = rte_log_register("pmd.net.softnic");
586 if (pmd_softnic_logtype >= 0)
587 rte_log_set_level(pmd_softnic_logtype, RTE_LOG_NOTICE);
591 rte_pmd_softnic_manage(uint16_t port_id)
593 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
594 struct pmd_internals *softnic;
596 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
597 RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
600 softnic = dev->data->dev_private;
602 softnic_conn_poll_for_conn(softnic->conn);
604 softnic_conn_poll_for_msg(softnic->conn);