4 * Copyright (C) Cavium Inc. 2017. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Cavium networks nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 #include <rte_alarm.h>
40 #include <rte_branch_prediction.h>
41 #include <rte_debug.h>
42 #include <rte_devargs.h>
44 #include <rte_kvargs.h>
45 #include <rte_malloc.h>
46 #include <rte_prefetch.h>
49 #include "octeontx_ethdev.h"
50 #include "octeontx_logs.h"
52 struct octeontx_vdev_init_params {
56 enum octeontx_link_speed {
57 OCTEONTX_LINK_SPEED_SGMII,
58 OCTEONTX_LINK_SPEED_XAUI,
59 OCTEONTX_LINK_SPEED_RXAUI,
60 OCTEONTX_LINK_SPEED_10G_R,
61 OCTEONTX_LINK_SPEED_40G_R,
62 OCTEONTX_LINK_SPEED_RESERVE1,
63 OCTEONTX_LINK_SPEED_QSGMII,
64 OCTEONTX_LINK_SPEED_RESERVE2
67 /* Parse integer from integer argument */
69 parse_integer_arg(const char *key __rte_unused,
70 const char *value, void *extra_args)
72 int *i = (int *)extra_args;
76 octeontx_log_err("argument has to be positive.");
84 octeontx_parse_vdev_init_params(struct octeontx_vdev_init_params *params,
85 struct rte_vdev_device *dev)
87 struct rte_kvargs *kvlist = NULL;
90 static const char * const octeontx_vdev_valid_params[] = {
91 OCTEONTX_VDEV_NR_PORT_ARG,
95 const char *input_args = rte_vdev_device_args(dev);
101 kvlist = rte_kvargs_parse(input_args,
102 octeontx_vdev_valid_params);
106 ret = rte_kvargs_process(kvlist,
107 OCTEONTX_VDEV_NR_PORT_ARG,
115 rte_kvargs_free(kvlist);
120 octeontx_port_open(struct octeontx_nic *nic)
122 octeontx_mbox_bgx_port_conf_t bgx_port_conf;
127 PMD_INIT_FUNC_TRACE();
129 res = octeontx_bgx_port_open(nic->port_id, &bgx_port_conf);
131 octeontx_log_err("failed to open port %d", res);
135 nic->node = bgx_port_conf.node;
136 nic->port_ena = bgx_port_conf.enable;
137 nic->base_ichan = bgx_port_conf.base_chan;
138 nic->base_ochan = bgx_port_conf.base_chan;
139 nic->num_ichans = bgx_port_conf.num_chans;
140 nic->num_ochans = bgx_port_conf.num_chans;
141 nic->mtu = bgx_port_conf.mtu;
142 nic->bpen = bgx_port_conf.bpen;
143 nic->fcs_strip = bgx_port_conf.fcs_strip;
144 nic->bcast_mode = bgx_port_conf.bcast_mode;
145 nic->mcast_mode = bgx_port_conf.mcast_mode;
146 nic->speed = bgx_port_conf.mode;
148 memcpy(&nic->mac_addr[0], &bgx_port_conf.macaddr[0], ETHER_ADDR_LEN);
150 octeontx_log_dbg("port opened %d", nic->port_id);
155 octeontx_port_close(struct octeontx_nic *nic)
157 PMD_INIT_FUNC_TRACE();
159 octeontx_bgx_port_close(nic->port_id);
160 octeontx_log_dbg("port closed %d", nic->port_id);
164 devconf_set_default_sane_values(struct rte_event_dev_config *dev_conf,
165 struct rte_event_dev_info *info)
167 memset(dev_conf, 0, sizeof(struct rte_event_dev_config));
168 dev_conf->dequeue_timeout_ns = info->min_dequeue_timeout_ns;
170 dev_conf->nb_event_ports = info->max_event_ports;
171 dev_conf->nb_event_queues = info->max_event_queues;
173 dev_conf->nb_event_queue_flows = info->max_event_queue_flows;
174 dev_conf->nb_event_port_dequeue_depth =
175 info->max_event_port_dequeue_depth;
176 dev_conf->nb_event_port_enqueue_depth =
177 info->max_event_port_enqueue_depth;
178 dev_conf->nb_event_port_enqueue_depth =
179 info->max_event_port_enqueue_depth;
180 dev_conf->nb_events_limit =
181 info->max_num_events;
185 octeontx_dev_configure(struct rte_eth_dev *dev)
187 struct rte_eth_dev_data *data = dev->data;
188 struct rte_eth_conf *conf = &data->dev_conf;
189 struct rte_eth_rxmode *rxmode = &conf->rxmode;
190 struct rte_eth_txmode *txmode = &conf->txmode;
191 struct octeontx_nic *nic = octeontx_pmd_priv(dev);
194 PMD_INIT_FUNC_TRACE();
197 if (!rte_eal_has_hugepages()) {
198 octeontx_log_err("huge page is not configured");
202 if (txmode->mq_mode) {
203 octeontx_log_err("tx mq_mode DCB or VMDq not supported");
207 if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
208 rxmode->mq_mode != ETH_MQ_RX_RSS) {
209 octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
213 if (!rxmode->hw_strip_crc) {
214 PMD_INIT_LOG(NOTICE, "can't disable hw crc strip");
215 rxmode->hw_strip_crc = 1;
218 if (rxmode->hw_ip_checksum) {
219 PMD_INIT_LOG(NOTICE, "rxcksum not supported");
220 rxmode->hw_ip_checksum = 0;
223 if (rxmode->split_hdr_size) {
224 octeontx_log_err("rxmode does not support split header");
228 if (rxmode->hw_vlan_filter) {
229 octeontx_log_err("VLAN filter not supported");
233 if (rxmode->hw_vlan_extend) {
234 octeontx_log_err("VLAN extended not supported");
238 if (rxmode->enable_lro) {
239 octeontx_log_err("LRO not supported");
243 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
244 octeontx_log_err("setting link speed/duplex not supported");
248 if (conf->dcb_capability_en) {
249 octeontx_log_err("DCB enable not supported");
253 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
254 octeontx_log_err("flow director not supported");
258 nic->num_tx_queues = dev->data->nb_tx_queues;
260 ret = octeontx_pko_channel_open(nic->port_id * PKO_VF_NUM_DQ,
264 octeontx_log_err("failed to open channel %d no-of-txq %d",
265 nic->base_ochan, nic->num_tx_queues);
269 nic->pki.classifier_enable = false;
270 nic->pki.hash_enable = true;
271 nic->pki.initialized = false;
277 octeontx_atomic_write_link_status(struct rte_eth_dev *dev,
278 struct rte_eth_link *link)
280 struct rte_eth_link *dst = &dev->data->dev_link;
281 struct rte_eth_link *src = link;
283 if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
284 *(uint64_t *)src) == 0)
291 octeontx_port_link_status(struct octeontx_nic *nic)
295 PMD_INIT_FUNC_TRACE();
296 res = octeontx_bgx_port_link_status(nic->port_id);
298 octeontx_log_err("failed to get port %d link status",
303 nic->link_up = (uint8_t)res;
304 octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
310 * Return 0 means link status changed, -1 means not changed
313 octeontx_dev_link_update(struct rte_eth_dev *dev,
314 int wait_to_complete __rte_unused)
316 struct octeontx_nic *nic = octeontx_pmd_priv(dev);
317 struct rte_eth_link link;
321 PMD_INIT_FUNC_TRACE();
323 res = octeontx_port_link_status(nic);
325 octeontx_log_err("failed to request link status %d", res);
329 link.link_status = nic->link_up;
331 switch (nic->speed) {
332 case OCTEONTX_LINK_SPEED_SGMII:
333 link.link_speed = ETH_SPEED_NUM_1G;
336 case OCTEONTX_LINK_SPEED_XAUI:
337 link.link_speed = ETH_SPEED_NUM_10G;
340 case OCTEONTX_LINK_SPEED_RXAUI:
341 case OCTEONTX_LINK_SPEED_10G_R:
342 link.link_speed = ETH_SPEED_NUM_10G;
344 case OCTEONTX_LINK_SPEED_QSGMII:
345 link.link_speed = ETH_SPEED_NUM_5G;
347 case OCTEONTX_LINK_SPEED_40G_R:
348 link.link_speed = ETH_SPEED_NUM_40G;
351 case OCTEONTX_LINK_SPEED_RESERVE1:
352 case OCTEONTX_LINK_SPEED_RESERVE2:
354 octeontx_log_err("incorrect link speed %d", nic->speed);
358 link.link_duplex = ETH_LINK_AUTONEG;
359 link.link_autoneg = ETH_LINK_SPEED_AUTONEG;
361 return octeontx_atomic_write_link_status(dev, &link);
365 octeontx_dev_info(struct rte_eth_dev *dev,
366 struct rte_eth_dev_info *dev_info)
370 /* Autonegotiation may be disabled */
371 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
372 dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
373 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |
376 dev_info->driver_name = RTE_STR(rte_octeontx_pmd);
377 dev_info->max_mac_addrs = 1;
378 dev_info->max_rx_pktlen = PKI_MAX_PKTLEN;
379 dev_info->max_rx_queues = 1;
380 dev_info->max_tx_queues = PKO_MAX_NUM_DQ;
381 dev_info->min_rx_bufsize = 0;
382 dev_info->pci_dev = NULL;
384 dev_info->default_rxconf = (struct rte_eth_rxconf) {
389 dev_info->default_txconf = (struct rte_eth_txconf) {
392 ETH_TXQ_FLAGS_NOMULTSEGS |
393 ETH_TXQ_FLAGS_NOOFFLOADS |
394 ETH_TXQ_FLAGS_NOXSUMS,
397 dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE;
400 /* Initialize and register driver with DPDK Application */
401 static const struct eth_dev_ops octeontx_dev_ops = {
402 .dev_configure = octeontx_dev_configure,
403 .dev_infos_get = octeontx_dev_info,
404 .link_update = octeontx_dev_link_update,
407 /* Create Ethdev interface per BGX LMAC ports */
409 octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
413 char octtx_name[OCTEONTX_MAX_NAME_LEN];
414 struct octeontx_nic *nic = NULL;
415 struct rte_eth_dev *eth_dev = NULL;
416 struct rte_eth_dev_data *data = NULL;
417 const char *name = rte_vdev_device_name(dev);
419 PMD_INIT_FUNC_TRACE();
421 sprintf(octtx_name, "%s_%d", name, port);
422 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
423 eth_dev = rte_eth_dev_attach_secondary(octtx_name);
430 data = rte_zmalloc_socket(octtx_name, sizeof(*data), 0, socket_id);
432 octeontx_log_err("failed to allocate devdata");
437 nic = rte_zmalloc_socket(octtx_name, sizeof(*nic), 0, socket_id);
439 octeontx_log_err("failed to allocate nic structure");
447 res = octeontx_port_open(nic);
451 /* Rx side port configuration */
452 res = octeontx_pki_port_open(port);
454 octeontx_log_err("failed to open PKI port %d", port);
459 /* Reserve an ethdev entry */
460 eth_dev = rte_eth_dev_allocate(octtx_name);
461 if (eth_dev == NULL) {
462 octeontx_log_err("failed to allocate rte_eth_dev");
467 eth_dev->device = &dev->device;
468 eth_dev->intr_handle = NULL;
469 eth_dev->data->kdrv = RTE_KDRV_NONE;
470 eth_dev->data->numa_node = dev->device.numa_node;
472 rte_memcpy(data, (eth_dev)->data, sizeof(*data));
473 data->dev_private = nic;
475 data->port_id = eth_dev->data->port_id;
476 snprintf(data->name, sizeof(data->name), "%s", eth_dev->data->name);
481 data->dev_link.link_status = ETH_LINK_DOWN;
482 data->dev_started = 0;
483 data->promiscuous = 0;
484 data->all_multicast = 0;
485 data->scattered_rx = 0;
487 data->mac_addrs = rte_zmalloc_socket(octtx_name, ETHER_ADDR_LEN, 0,
489 if (data->mac_addrs == NULL) {
490 octeontx_log_err("failed to allocate memory for mac_addrs");
495 eth_dev->data = data;
496 eth_dev->dev_ops = &octeontx_dev_ops;
498 /* Finally save ethdev pointer to the NIC structure */
501 if (nic->port_id != data->port_id) {
502 octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
503 data->port_id, nic->port_id);
508 /* Update port_id mac to eth_dev */
509 memcpy(data->mac_addrs, nic->mac_addr, ETHER_ADDR_LEN);
511 PMD_INIT_LOG(DEBUG, "ethdev info: ");
512 PMD_INIT_LOG(DEBUG, "port %d, port_ena %d ochan %d num_ochan %d tx_q %d",
513 nic->port_id, nic->port_ena,
514 nic->base_ochan, nic->num_ochans,
516 PMD_INIT_LOG(DEBUG, "speed %d mtu %d", nic->speed, nic->mtu);
518 return data->port_id;
522 octeontx_port_close(nic);
524 if (eth_dev != NULL) {
525 rte_free(eth_dev->data->mac_addrs);
528 rte_eth_dev_release_port(eth_dev);
534 /* Un initialize octeontx device */
536 octeontx_remove(struct rte_vdev_device *dev)
538 char octtx_name[OCTEONTX_MAX_NAME_LEN];
539 struct rte_eth_dev *eth_dev = NULL;
540 struct octeontx_nic *nic = NULL;
546 for (i = 0; i < OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT; i++) {
547 sprintf(octtx_name, "eth_octeontx_%d", i);
549 /* reserve an ethdev entry */
550 eth_dev = rte_eth_dev_allocated(octtx_name);
554 nic = octeontx_pmd_priv(eth_dev);
555 rte_event_dev_stop(nic->evdev);
556 PMD_INIT_LOG(INFO, "Closing octeontx device %s", octtx_name);
558 rte_free(eth_dev->data->mac_addrs);
559 rte_free(eth_dev->data->dev_private);
560 rte_free(eth_dev->data);
561 rte_eth_dev_release_port(eth_dev);
562 rte_event_dev_close(nic->evdev);
565 /* Free FC resource */
566 octeontx_pko_fc_free();
571 /* Initialize octeontx device */
573 octeontx_probe(struct rte_vdev_device *dev)
575 const char *dev_name;
576 static int probe_once;
577 uint8_t socket_id, qlist;
578 int tx_vfcnt, port_id, evdev, qnum, pnum, res, i;
579 struct rte_event_dev_config dev_conf;
580 const char *eventdev_name = "event_octeontx";
581 struct rte_event_dev_info info;
583 struct octeontx_vdev_init_params init_params = {
584 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT
587 dev_name = rte_vdev_device_name(dev);
588 res = octeontx_parse_vdev_init_params(&init_params, dev);
592 if (init_params.nr_port > OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT) {
593 octeontx_log_err("nr_port (%d) > max (%d)", init_params.nr_port,
594 OCTEONTX_VDEV_DEFAULT_MAX_NR_PORT);
598 PMD_INIT_LOG(DEBUG, "initializing %s pmd", dev_name);
600 socket_id = rte_socket_id();
602 tx_vfcnt = octeontx_pko_vf_count();
604 if (tx_vfcnt < init_params.nr_port) {
605 octeontx_log_err("not enough PKO (%d) for port number (%d)",
606 tx_vfcnt, init_params.nr_port);
609 evdev = rte_event_dev_get_dev_id(eventdev_name);
611 octeontx_log_err("eventdev %s not found", eventdev_name);
615 res = rte_event_dev_info_get(evdev, &info);
617 octeontx_log_err("failed to eventdev info %d", res);
621 PMD_INIT_LOG(DEBUG, "max_queue %d max_port %d",
622 info.max_event_queues, info.max_event_ports);
624 if (octeontx_pko_init_fc(tx_vfcnt))
627 devconf_set_default_sane_values(&dev_conf, &info);
628 res = rte_event_dev_configure(evdev, &dev_conf);
632 rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_PORT_COUNT,
634 rte_event_dev_attr_get(evdev, RTE_EVENT_DEV_ATTR_QUEUE_COUNT,
637 octeontx_log_err("too few event ports (%d) for event_q(%d)",
644 * We don't poll on event ports
645 * that do not have any queues assigned.
649 "reducing number of active event ports to %d", pnum);
651 for (i = 0; i < qnum; i++) {
652 res = rte_event_queue_setup(evdev, i, NULL);
654 octeontx_log_err("failed to setup event_q(%d): res %d",
660 for (i = 0; i < pnum; i++) {
661 res = rte_event_port_setup(evdev, i, NULL);
664 octeontx_log_err("failed to setup ev port(%d) res=%d",
668 /* Link one queue to one event port */
670 res = rte_event_port_link(evdev, i, &qlist, NULL, 1);
673 octeontx_log_err("failed to link port (%d): res=%d",
679 /* Create ethdev interface */
680 for (i = 0; i < init_params.nr_port; i++) {
681 port_id = octeontx_create(dev, i, evdev, socket_id);
683 octeontx_log_err("failed to create device %s",
689 PMD_INIT_LOG(INFO, "created ethdev %s for port %d", dev_name,
694 octeontx_log_err("interface %s not supported", dev_name);
695 octeontx_remove(dev);
704 octeontx_pko_fc_free();
708 static struct rte_vdev_driver octeontx_pmd_drv = {
709 .probe = octeontx_probe,
710 .remove = octeontx_remove,
713 RTE_PMD_REGISTER_VDEV(OCTEONTX_PMD, octeontx_pmd_drv);
714 RTE_PMD_REGISTER_ALIAS(OCTEONTX_PMD, eth_octeontx);
715 RTE_PMD_REGISTER_PARAM_STRING(OCTEONTX_PMD, "nr_port=<int> ");