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);
289 dev_err(enic, "error in allocating rq\n");
293 enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
294 dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
295 enic->rq[queue_idx].rx_free_thresh);
297 return enicpmd_dev_setup_intr(enic);
300 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
301 uint16_t vlan_id, int on)
303 struct enic *enic = pmd_priv(eth_dev);
306 ENICPMD_FUNC_TRACE();
308 err = enic_add_vlan(enic, vlan_id);
310 err = enic_del_vlan(enic, vlan_id);
314 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
316 struct enic *enic = pmd_priv(eth_dev);
318 ENICPMD_FUNC_TRACE();
320 if (mask & ETH_VLAN_STRIP_MASK) {
321 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
322 enic->ig_vlan_strip_en = 1;
324 enic->ig_vlan_strip_en = 0;
326 enic_set_rss_nic_cfg(enic);
329 if (mask & ETH_VLAN_FILTER_MASK) {
331 "Configuration of VLAN filter is not supported\n");
334 if (mask & ETH_VLAN_EXTEND_MASK) {
336 "Configuration of extended VLAN is not supported\n");
340 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
343 struct enic *enic = pmd_priv(eth_dev);
345 ENICPMD_FUNC_TRACE();
346 ret = enic_set_vnic_res(enic);
348 dev_err(enic, "Set vNIC resource num failed, aborting\n");
352 if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
353 eth_dev->data->dev_conf.rxmode.header_split) {
354 /* Enable header-data-split */
355 enic_set_hdr_split_size(enic,
356 eth_dev->data->dev_conf.rxmode.split_hdr_size);
359 enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
364 * It returns 0 on success.
366 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
368 struct enic *enic = pmd_priv(eth_dev);
370 ENICPMD_FUNC_TRACE();
371 return enic_enable(enic);
375 * Stop device: disable rx and tx functions to allow for reconfiguring.
377 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
379 struct rte_eth_link link;
380 struct enic *enic = pmd_priv(eth_dev);
382 ENICPMD_FUNC_TRACE();
384 memset(&link, 0, sizeof(link));
385 rte_atomic64_cmpset((uint64_t *)ð_dev->data->dev_link,
386 *(uint64_t *)ð_dev->data->dev_link,
393 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
395 struct enic *enic = pmd_priv(eth_dev);
397 ENICPMD_FUNC_TRACE();
401 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
402 __rte_unused int wait_to_complete)
404 struct enic *enic = pmd_priv(eth_dev);
408 ENICPMD_FUNC_TRACE();
409 link_status = enic_get_link_status(enic);
410 ret = (link_status == enic->link_status);
411 enic->link_status = link_status;
412 eth_dev->data->dev_link.link_status = link_status;
413 eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
414 eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
418 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
419 struct rte_eth_stats *stats)
421 struct enic *enic = pmd_priv(eth_dev);
423 ENICPMD_FUNC_TRACE();
424 enic_dev_stats_get(enic, stats);
427 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
429 struct enic *enic = pmd_priv(eth_dev);
431 ENICPMD_FUNC_TRACE();
432 enic_dev_stats_clear(enic);
435 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
436 struct rte_eth_dev_info *device_info)
438 struct enic *enic = pmd_priv(eth_dev);
440 ENICPMD_FUNC_TRACE();
441 /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
442 device_info->max_rx_queues = enic->conf_rq_count / 2;
443 device_info->max_tx_queues = enic->conf_wq_count;
444 device_info->min_rx_bufsize = ENIC_MIN_MTU;
445 device_info->max_rx_pktlen = enic->rte_dev->data->mtu
447 device_info->max_mac_addrs = 1;
448 device_info->rx_offload_capa =
449 DEV_RX_OFFLOAD_VLAN_STRIP |
450 DEV_RX_OFFLOAD_IPV4_CKSUM |
451 DEV_RX_OFFLOAD_UDP_CKSUM |
452 DEV_RX_OFFLOAD_TCP_CKSUM;
453 device_info->tx_offload_capa =
454 DEV_TX_OFFLOAD_VLAN_INSERT |
455 DEV_TX_OFFLOAD_IPV4_CKSUM |
456 DEV_TX_OFFLOAD_UDP_CKSUM |
457 DEV_TX_OFFLOAD_TCP_CKSUM;
458 device_info->default_rxconf = (struct rte_eth_rxconf) {
459 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
463 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
465 static const uint32_t ptypes[] = {
466 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
467 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
471 RTE_PTYPE_L4_NONFRAG,
475 if (dev->rx_pkt_burst == enic_recv_pkts)
480 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
482 struct enic *enic = pmd_priv(eth_dev);
484 ENICPMD_FUNC_TRACE();
486 enic_add_packet_filter(enic);
489 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
491 struct enic *enic = pmd_priv(eth_dev);
493 ENICPMD_FUNC_TRACE();
495 enic_add_packet_filter(enic);
498 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
500 struct enic *enic = pmd_priv(eth_dev);
502 ENICPMD_FUNC_TRACE();
504 enic_add_packet_filter(enic);
507 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
509 struct enic *enic = pmd_priv(eth_dev);
511 ENICPMD_FUNC_TRACE();
513 enic_add_packet_filter(enic);
516 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
517 struct ether_addr *mac_addr,
518 __rte_unused uint32_t index, __rte_unused uint32_t pool)
520 struct enic *enic = pmd_priv(eth_dev);
522 ENICPMD_FUNC_TRACE();
523 enic_set_mac_address(enic, mac_addr->addr_bytes);
526 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
528 struct enic *enic = pmd_priv(eth_dev);
530 ENICPMD_FUNC_TRACE();
531 enic_del_mac_address(enic);
534 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
536 struct enic *enic = pmd_priv(eth_dev);
538 ENICPMD_FUNC_TRACE();
539 return enic_set_mtu(enic, mtu);
542 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
543 .dev_configure = enicpmd_dev_configure,
544 .dev_start = enicpmd_dev_start,
545 .dev_stop = enicpmd_dev_stop,
546 .dev_set_link_up = NULL,
547 .dev_set_link_down = NULL,
548 .dev_close = enicpmd_dev_close,
549 .promiscuous_enable = enicpmd_dev_promiscuous_enable,
550 .promiscuous_disable = enicpmd_dev_promiscuous_disable,
551 .allmulticast_enable = enicpmd_dev_allmulticast_enable,
552 .allmulticast_disable = enicpmd_dev_allmulticast_disable,
553 .link_update = enicpmd_dev_link_update,
554 .stats_get = enicpmd_dev_stats_get,
555 .stats_reset = enicpmd_dev_stats_reset,
556 .queue_stats_mapping_set = NULL,
557 .dev_infos_get = enicpmd_dev_info_get,
558 .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
559 .mtu_set = enicpmd_mtu_set,
560 .vlan_filter_set = enicpmd_vlan_filter_set,
561 .vlan_tpid_set = NULL,
562 .vlan_offload_set = enicpmd_vlan_offload_set,
563 .vlan_strip_queue_set = NULL,
564 .rx_queue_start = enicpmd_dev_rx_queue_start,
565 .rx_queue_stop = enicpmd_dev_rx_queue_stop,
566 .tx_queue_start = enicpmd_dev_tx_queue_start,
567 .tx_queue_stop = enicpmd_dev_tx_queue_stop,
568 .rx_queue_setup = enicpmd_dev_rx_queue_setup,
569 .rx_queue_release = enicpmd_dev_rx_queue_release,
570 .rx_queue_count = NULL,
571 .rx_descriptor_done = NULL,
572 .tx_queue_setup = enicpmd_dev_tx_queue_setup,
573 .tx_queue_release = enicpmd_dev_tx_queue_release,
576 .flow_ctrl_get = NULL,
577 .flow_ctrl_set = NULL,
578 .priority_flow_ctrl_set = NULL,
579 .mac_addr_add = enicpmd_add_mac_addr,
580 .mac_addr_remove = enicpmd_remove_mac_addr,
581 .filter_ctrl = enicpmd_dev_filter_ctrl,
584 struct enic *enicpmd_list_head = NULL;
585 /* Initialize the driver
586 * It returns 0 on success.
588 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
590 struct rte_pci_device *pdev;
591 struct rte_pci_addr *addr;
592 struct enic *enic = pmd_priv(eth_dev);
594 ENICPMD_FUNC_TRACE();
596 enic->port_id = eth_dev->data->port_id;
597 enic->rte_dev = eth_dev;
598 eth_dev->dev_ops = &enicpmd_eth_dev_ops;
599 eth_dev->rx_pkt_burst = &enic_recv_pkts;
600 eth_dev->tx_pkt_burst = &enic_xmit_pkts;
602 pdev = eth_dev->pci_dev;
603 rte_eth_copy_pci_info(eth_dev, pdev);
607 snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
608 addr->domain, addr->bus, addr->devid, addr->function);
610 return enic_probe(enic);
613 static struct eth_driver rte_enic_pmd = {
615 .name = "rte_enic_pmd",
616 .id_table = pci_id_enic_map,
617 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
619 .eth_dev_init = eth_enicpmd_dev_init,
620 .dev_private_size = sizeof(struct enic),
623 /* Driver initialization routine.
624 * Invoked once at EAL init time.
625 * Register as the [Poll Mode] Driver of Cisco ENIC device.
628 rte_enic_pmd_init(__rte_unused const char *name,
629 __rte_unused const char *params)
631 ENICPMD_FUNC_TRACE();
633 rte_eth_driver_register(&rte_enic_pmd);
637 static struct rte_driver rte_enic_driver = {
639 .init = rte_enic_pmd_init,
642 PMD_REGISTER_DRIVER(rte_enic_driver, enic);
643 DRIVER_REGISTER_PCI_TABLE(enic, pci_id_enic_map);