2 * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 * Copyright (c) 2014, Cisco Systems, Inc.
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40 #include <rte_ethdev.h>
41 #include <rte_string_fns.h>
43 #include "vnic_intr.h"
47 #include "vnic_enet.h"
50 #ifdef RTE_LIBRTE_ENIC_DEBUG
51 #define ENICPMD_FUNC_TRACE() \
52 RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__)
54 #define ENICPMD_FUNC_TRACE() (void)0
58 * The set of PCI devices this driver supports
60 #define CISCO_PCI_VENDOR_ID 0x1137
61 static const struct rte_pci_id pci_id_enic_map[] = {
62 { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET) },
63 { RTE_PCI_DEVICE(CISCO_PCI_VENDOR_ID, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) },
64 {.vendor_id = 0, /* sentinel */},
68 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
69 enum rte_filter_op filter_op, void *arg)
71 struct enic *enic = pmd_priv(eth_dev);
75 if (filter_op == RTE_ETH_FILTER_NOP)
78 if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
82 case RTE_ETH_FILTER_ADD:
83 case RTE_ETH_FILTER_UPDATE:
84 ret = enic_fdir_add_fltr(enic,
85 (struct rte_eth_fdir_filter *)arg);
88 case RTE_ETH_FILTER_DELETE:
89 ret = enic_fdir_del_fltr(enic,
90 (struct rte_eth_fdir_filter *)arg);
93 case RTE_ETH_FILTER_STATS:
94 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
97 case RTE_ETH_FILTER_FLUSH:
98 case RTE_ETH_FILTER_INFO:
99 dev_warning(enic, "unsupported operation %u", filter_op);
103 dev_err(enic, "unknown operation %u", filter_op);
111 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
112 enum rte_filter_type filter_type,
113 enum rte_filter_op filter_op,
118 if (RTE_ETH_FILTER_FDIR == filter_type)
119 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
121 dev_warning(enic, "Filter type (%d) not supported",
127 static void enicpmd_dev_tx_queue_release(void *txq)
129 ENICPMD_FUNC_TRACE();
133 static int enicpmd_dev_setup_intr(struct enic *enic)
138 ENICPMD_FUNC_TRACE();
140 /* Are we done with the init of all the queues? */
141 for (index = 0; index < enic->cq_count; index++) {
142 if (!enic->cq[index].ctrl)
145 if (enic->cq_count != index)
147 for (index = 0; index < enic->wq_count; index++) {
148 if (!enic->wq[index].ctrl)
151 if (enic->wq_count != index)
153 /* check start of packet (SOP) RQs only in case scatter is disabled. */
154 for (index = 0; index < enic->rq_count; index++) {
155 if (!enic->rq[enic_sop_rq(index)].ctrl)
158 if (enic->rq_count != index)
161 ret = enic_alloc_intr_resources(enic);
163 dev_err(enic, "alloc intr failed\n");
166 enic_init_vnic_resources(enic);
168 ret = enic_setup_finish(enic);
170 dev_err(enic, "setup could not be finished\n");
175 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
178 unsigned int socket_id,
179 __rte_unused const struct rte_eth_txconf *tx_conf)
182 struct enic *enic = pmd_priv(eth_dev);
184 ENICPMD_FUNC_TRACE();
185 if (queue_idx >= ENIC_WQ_MAX) {
187 "Max number of TX queues exceeded. Max is %d\n",
192 eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
194 ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
196 dev_err(enic, "error in allocating wq\n");
200 return enicpmd_dev_setup_intr(enic);
203 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
206 struct enic *enic = pmd_priv(eth_dev);
208 ENICPMD_FUNC_TRACE();
210 enic_start_wq(enic, queue_idx);
215 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
219 struct enic *enic = pmd_priv(eth_dev);
221 ENICPMD_FUNC_TRACE();
223 ret = enic_stop_wq(enic, queue_idx);
225 dev_err(enic, "error in stopping wq %d\n", queue_idx);
230 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
233 struct enic *enic = pmd_priv(eth_dev);
235 ENICPMD_FUNC_TRACE();
237 enic_start_rq(enic, queue_idx);
242 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
246 struct enic *enic = pmd_priv(eth_dev);
248 ENICPMD_FUNC_TRACE();
250 ret = enic_stop_rq(enic, queue_idx);
252 dev_err(enic, "error in stopping rq %d\n", queue_idx);
257 static void enicpmd_dev_rx_queue_release(void *rxq)
259 ENICPMD_FUNC_TRACE();
263 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
266 unsigned int socket_id,
267 const struct rte_eth_rxconf *rx_conf,
268 struct rte_mempool *mp)
271 struct enic *enic = pmd_priv(eth_dev);
273 ENICPMD_FUNC_TRACE();
274 /* With Rx scatter support, two RQs are now used on VIC per RQ used
275 * by the application.
277 if (queue_idx * 2 >= ENIC_RQ_MAX) {
279 "Max number of RX queues exceeded. Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
284 eth_dev->data->rx_queues[queue_idx] =
285 (void *)&enic->rq[enic_sop_rq(queue_idx)];
287 ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
288 rx_conf->rx_free_thresh);
290 dev_err(enic, "error in allocating rq\n");
294 return enicpmd_dev_setup_intr(enic);
297 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
298 uint16_t vlan_id, int on)
300 struct enic *enic = pmd_priv(eth_dev);
303 ENICPMD_FUNC_TRACE();
305 err = enic_add_vlan(enic, vlan_id);
307 err = enic_del_vlan(enic, vlan_id);
311 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
313 struct enic *enic = pmd_priv(eth_dev);
315 ENICPMD_FUNC_TRACE();
317 if (mask & ETH_VLAN_STRIP_MASK) {
318 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
319 enic->ig_vlan_strip_en = 1;
321 enic->ig_vlan_strip_en = 0;
323 enic_set_rss_nic_cfg(enic);
326 if (mask & ETH_VLAN_FILTER_MASK) {
328 "Configuration of VLAN filter is not supported\n");
331 if (mask & ETH_VLAN_EXTEND_MASK) {
333 "Configuration of extended VLAN is not supported\n");
337 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
340 struct enic *enic = pmd_priv(eth_dev);
342 ENICPMD_FUNC_TRACE();
343 ret = enic_set_vnic_res(enic);
345 dev_err(enic, "Set vNIC resource num failed, aborting\n");
349 if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
350 eth_dev->data->dev_conf.rxmode.header_split) {
351 /* Enable header-data-split */
352 enic_set_hdr_split_size(enic,
353 eth_dev->data->dev_conf.rxmode.split_hdr_size);
356 enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
357 enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
362 * It returns 0 on success.
364 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
366 struct enic *enic = pmd_priv(eth_dev);
368 ENICPMD_FUNC_TRACE();
369 return enic_enable(enic);
373 * Stop device: disable rx and tx functions to allow for reconfiguring.
375 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
377 struct rte_eth_link link;
378 struct enic *enic = pmd_priv(eth_dev);
380 ENICPMD_FUNC_TRACE();
382 memset(&link, 0, sizeof(link));
383 rte_atomic64_cmpset((uint64_t *)ð_dev->data->dev_link,
384 *(uint64_t *)ð_dev->data->dev_link,
391 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
393 struct enic *enic = pmd_priv(eth_dev);
395 ENICPMD_FUNC_TRACE();
399 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
400 __rte_unused int wait_to_complete)
402 struct enic *enic = pmd_priv(eth_dev);
406 ENICPMD_FUNC_TRACE();
407 link_status = enic_get_link_status(enic);
408 ret = (link_status == enic->link_status);
409 enic->link_status = link_status;
410 eth_dev->data->dev_link.link_status = link_status;
411 eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
412 eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
416 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
417 struct rte_eth_stats *stats)
419 struct enic *enic = pmd_priv(eth_dev);
421 ENICPMD_FUNC_TRACE();
422 enic_dev_stats_get(enic, stats);
425 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
427 struct enic *enic = pmd_priv(eth_dev);
429 ENICPMD_FUNC_TRACE();
430 enic_dev_stats_clear(enic);
433 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
434 struct rte_eth_dev_info *device_info)
436 struct enic *enic = pmd_priv(eth_dev);
438 ENICPMD_FUNC_TRACE();
439 /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
440 device_info->max_rx_queues = enic->conf_rq_count / 2;
441 device_info->max_tx_queues = enic->conf_wq_count;
442 device_info->min_rx_bufsize = ENIC_MIN_MTU;
443 device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
444 device_info->max_mac_addrs = 1;
445 device_info->rx_offload_capa =
446 DEV_RX_OFFLOAD_VLAN_STRIP |
447 DEV_RX_OFFLOAD_IPV4_CKSUM |
448 DEV_RX_OFFLOAD_UDP_CKSUM |
449 DEV_RX_OFFLOAD_TCP_CKSUM;
450 device_info->tx_offload_capa =
451 DEV_TX_OFFLOAD_VLAN_INSERT |
452 DEV_TX_OFFLOAD_IPV4_CKSUM |
453 DEV_TX_OFFLOAD_UDP_CKSUM |
454 DEV_TX_OFFLOAD_TCP_CKSUM;
455 device_info->default_rxconf = (struct rte_eth_rxconf) {
456 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
460 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
462 static const uint32_t ptypes[] = {
463 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
464 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
468 RTE_PTYPE_L4_NONFRAG,
472 if (dev->rx_pkt_burst == enic_recv_pkts)
477 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
479 struct enic *enic = pmd_priv(eth_dev);
481 ENICPMD_FUNC_TRACE();
483 enic_add_packet_filter(enic);
486 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
488 struct enic *enic = pmd_priv(eth_dev);
490 ENICPMD_FUNC_TRACE();
492 enic_add_packet_filter(enic);
495 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
497 struct enic *enic = pmd_priv(eth_dev);
499 ENICPMD_FUNC_TRACE();
501 enic_add_packet_filter(enic);
504 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
506 struct enic *enic = pmd_priv(eth_dev);
508 ENICPMD_FUNC_TRACE();
510 enic_add_packet_filter(enic);
513 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
514 struct ether_addr *mac_addr,
515 __rte_unused uint32_t index, __rte_unused uint32_t pool)
517 struct enic *enic = pmd_priv(eth_dev);
519 ENICPMD_FUNC_TRACE();
520 enic_set_mac_address(enic, mac_addr->addr_bytes);
523 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
525 struct enic *enic = pmd_priv(eth_dev);
527 ENICPMD_FUNC_TRACE();
528 enic_del_mac_address(enic);
531 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
533 struct enic *enic = pmd_priv(eth_dev);
535 ENICPMD_FUNC_TRACE();
536 return enic_set_mtu(enic, mtu);
539 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
540 .dev_configure = enicpmd_dev_configure,
541 .dev_start = enicpmd_dev_start,
542 .dev_stop = enicpmd_dev_stop,
543 .dev_set_link_up = NULL,
544 .dev_set_link_down = NULL,
545 .dev_close = enicpmd_dev_close,
546 .promiscuous_enable = enicpmd_dev_promiscuous_enable,
547 .promiscuous_disable = enicpmd_dev_promiscuous_disable,
548 .allmulticast_enable = enicpmd_dev_allmulticast_enable,
549 .allmulticast_disable = enicpmd_dev_allmulticast_disable,
550 .link_update = enicpmd_dev_link_update,
551 .stats_get = enicpmd_dev_stats_get,
552 .stats_reset = enicpmd_dev_stats_reset,
553 .queue_stats_mapping_set = NULL,
554 .dev_infos_get = enicpmd_dev_info_get,
555 .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
556 .mtu_set = enicpmd_mtu_set,
557 .vlan_filter_set = enicpmd_vlan_filter_set,
558 .vlan_tpid_set = NULL,
559 .vlan_offload_set = enicpmd_vlan_offload_set,
560 .vlan_strip_queue_set = NULL,
561 .rx_queue_start = enicpmd_dev_rx_queue_start,
562 .rx_queue_stop = enicpmd_dev_rx_queue_stop,
563 .tx_queue_start = enicpmd_dev_tx_queue_start,
564 .tx_queue_stop = enicpmd_dev_tx_queue_stop,
565 .rx_queue_setup = enicpmd_dev_rx_queue_setup,
566 .rx_queue_release = enicpmd_dev_rx_queue_release,
567 .rx_queue_count = NULL,
568 .rx_descriptor_done = NULL,
569 .tx_queue_setup = enicpmd_dev_tx_queue_setup,
570 .tx_queue_release = enicpmd_dev_tx_queue_release,
573 .flow_ctrl_get = NULL,
574 .flow_ctrl_set = NULL,
575 .priority_flow_ctrl_set = NULL,
576 .mac_addr_add = enicpmd_add_mac_addr,
577 .mac_addr_remove = enicpmd_remove_mac_addr,
578 .filter_ctrl = enicpmd_dev_filter_ctrl,
581 struct enic *enicpmd_list_head = NULL;
582 /* Initialize the driver
583 * It returns 0 on success.
585 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
587 struct rte_pci_device *pdev;
588 struct rte_pci_addr *addr;
589 struct enic *enic = pmd_priv(eth_dev);
591 ENICPMD_FUNC_TRACE();
593 enic->port_id = eth_dev->data->port_id;
594 enic->rte_dev = eth_dev;
595 eth_dev->dev_ops = &enicpmd_eth_dev_ops;
596 eth_dev->rx_pkt_burst = &enic_recv_pkts;
597 eth_dev->tx_pkt_burst = &enic_xmit_pkts;
599 pdev = eth_dev->pci_dev;
600 rte_eth_copy_pci_info(eth_dev, pdev);
604 snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
605 addr->domain, addr->bus, addr->devid, addr->function);
607 return enic_probe(enic);
610 static struct eth_driver rte_enic_pmd = {
612 .name = "rte_enic_pmd",
613 .id_table = pci_id_enic_map,
614 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
616 .eth_dev_init = eth_enicpmd_dev_init,
617 .dev_private_size = sizeof(struct enic),
620 /* Driver initialization routine.
621 * Invoked once at EAL init time.
622 * Register as the [Poll Mode] Driver of Cisco ENIC device.
625 rte_enic_pmd_init(__rte_unused const char *name,
626 __rte_unused const char *params)
628 ENICPMD_FUNC_TRACE();
630 rte_eth_driver_register(&rte_enic_pmd);
634 static struct rte_driver rte_enic_driver = {
636 .init = rte_enic_pmd_init,
639 PMD_REGISTER_DRIVER(rte_enic_driver, enic);
640 DRIVER_REGISTER_PCI_TABLE(enic, pci_id_enic_map);