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 static const struct rte_pci_id pci_id_enic_map[] = {
61 #define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
62 #ifndef PCI_VENDOR_ID_CISCO
63 #define PCI_VENDOR_ID_CISCO 0x1137
65 #include "rte_pci_dev_ids.h"
66 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET)
67 RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF)
68 {.vendor_id = 0, /* Sentinal */},
72 enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev,
73 enum rte_filter_op filter_op, void *arg)
75 struct enic *enic = pmd_priv(eth_dev);
79 if (filter_op == RTE_ETH_FILTER_NOP)
82 if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH)
86 case RTE_ETH_FILTER_ADD:
87 case RTE_ETH_FILTER_UPDATE:
88 ret = enic_fdir_add_fltr(enic,
89 (struct rte_eth_fdir_filter *)arg);
92 case RTE_ETH_FILTER_DELETE:
93 ret = enic_fdir_del_fltr(enic,
94 (struct rte_eth_fdir_filter *)arg);
97 case RTE_ETH_FILTER_STATS:
98 enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg);
101 case RTE_ETH_FILTER_FLUSH:
102 case RTE_ETH_FILTER_INFO:
103 dev_warning(enic, "unsupported operation %u", filter_op);
107 dev_err(enic, "unknown operation %u", filter_op);
115 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
116 enum rte_filter_type filter_type,
117 enum rte_filter_op filter_op,
122 if (RTE_ETH_FILTER_FDIR == filter_type)
123 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
125 dev_warning(enic, "Filter type (%d) not supported",
131 static void enicpmd_dev_tx_queue_release(void *txq)
133 ENICPMD_FUNC_TRACE();
137 static int enicpmd_dev_setup_intr(struct enic *enic)
142 ENICPMD_FUNC_TRACE();
144 /* Are we done with the init of all the queues? */
145 for (index = 0; index < enic->cq_count; index++) {
146 if (!enic->cq[index].ctrl)
150 if (enic->cq_count != index)
153 ret = enic_alloc_intr_resources(enic);
155 dev_err(enic, "alloc intr failed\n");
158 enic_init_vnic_resources(enic);
160 ret = enic_setup_finish(enic);
162 dev_err(enic, "setup could not be finished\n");
167 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
170 unsigned int socket_id,
171 __rte_unused const struct rte_eth_txconf *tx_conf)
174 struct enic *enic = pmd_priv(eth_dev);
176 ENICPMD_FUNC_TRACE();
177 if (queue_idx >= ENIC_WQ_MAX) {
179 "Max number of TX queues exceeded. Max is %d\n",
184 eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
186 ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
188 dev_err(enic, "error in allocating wq\n");
192 return enicpmd_dev_setup_intr(enic);
195 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
198 struct enic *enic = pmd_priv(eth_dev);
200 ENICPMD_FUNC_TRACE();
202 enic_start_wq(enic, queue_idx);
203 eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
208 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
212 struct enic *enic = pmd_priv(eth_dev);
214 ENICPMD_FUNC_TRACE();
216 ret = enic_stop_wq(enic, queue_idx);
218 dev_err(enic, "error in stopping wq %d\n", queue_idx);
220 eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
225 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
228 struct enic *enic = pmd_priv(eth_dev);
230 ENICPMD_FUNC_TRACE();
232 enic_start_rq(enic, queue_idx);
233 eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
238 static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
242 struct enic *enic = pmd_priv(eth_dev);
244 ENICPMD_FUNC_TRACE();
246 ret = enic_stop_rq(enic, queue_idx);
248 dev_err(enic, "error in stopping rq %d\n", queue_idx);
250 eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
255 static void enicpmd_dev_rx_queue_release(void *rxq)
257 ENICPMD_FUNC_TRACE();
261 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
264 unsigned int socket_id,
265 const struct rte_eth_rxconf *rx_conf,
266 struct rte_mempool *mp)
269 struct enic *enic = pmd_priv(eth_dev);
271 ENICPMD_FUNC_TRACE();
272 /* With Rx scatter support, two RQs are now used on VIC per RQ used
273 * by the application.
275 if (queue_idx * 2 >= ENIC_RQ_MAX) {
277 "Max number of RX queues exceeded. Max is %d. This PMD uses 2 RQs on VIC per RQ used by DPDK.\n",
282 eth_dev->data->rx_queues[queue_idx] =
283 (void *)&enic->rq[enic_sop_rq(queue_idx)];
285 ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
287 dev_err(enic, "error in allocating rq\n");
291 enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
292 dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
293 enic->rq[queue_idx].rx_free_thresh);
295 return enicpmd_dev_setup_intr(enic);
298 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
299 uint16_t vlan_id, int on)
301 struct enic *enic = pmd_priv(eth_dev);
304 ENICPMD_FUNC_TRACE();
306 err = enic_add_vlan(enic, vlan_id);
308 err = enic_del_vlan(enic, vlan_id);
312 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
314 struct enic *enic = pmd_priv(eth_dev);
316 ENICPMD_FUNC_TRACE();
318 if (mask & ETH_VLAN_STRIP_MASK) {
319 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
320 enic->ig_vlan_strip_en = 1;
322 enic->ig_vlan_strip_en = 0;
324 enic_set_rss_nic_cfg(enic);
327 if (mask & ETH_VLAN_FILTER_MASK) {
329 "Configuration of VLAN filter is not supported\n");
332 if (mask & ETH_VLAN_EXTEND_MASK) {
334 "Configuration of extended VLAN is not supported\n");
338 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
341 struct enic *enic = pmd_priv(eth_dev);
343 ENICPMD_FUNC_TRACE();
344 ret = enic_set_vnic_res(enic);
346 dev_err(enic, "Set vNIC resource num failed, aborting\n");
350 if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
351 eth_dev->data->dev_conf.rxmode.header_split) {
352 /* Enable header-data-split */
353 enic_set_hdr_split_size(enic,
354 eth_dev->data->dev_conf.rxmode.split_hdr_size);
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->rte_dev->data->mtu
445 device_info->max_mac_addrs = 1;
446 device_info->rx_offload_capa =
447 DEV_RX_OFFLOAD_VLAN_STRIP |
448 DEV_RX_OFFLOAD_IPV4_CKSUM |
449 DEV_RX_OFFLOAD_UDP_CKSUM |
450 DEV_RX_OFFLOAD_TCP_CKSUM;
451 device_info->tx_offload_capa =
452 DEV_TX_OFFLOAD_VLAN_INSERT |
453 DEV_TX_OFFLOAD_IPV4_CKSUM |
454 DEV_TX_OFFLOAD_UDP_CKSUM |
455 DEV_TX_OFFLOAD_TCP_CKSUM;
456 device_info->default_rxconf = (struct rte_eth_rxconf) {
457 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
461 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
463 static const uint32_t ptypes[] = {
464 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
465 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
469 RTE_PTYPE_L4_NONFRAG,
473 if (dev->rx_pkt_burst == enic_recv_pkts)
478 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
480 struct enic *enic = pmd_priv(eth_dev);
482 ENICPMD_FUNC_TRACE();
484 enic_add_packet_filter(enic);
487 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
489 struct enic *enic = pmd_priv(eth_dev);
491 ENICPMD_FUNC_TRACE();
493 enic_add_packet_filter(enic);
496 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
498 struct enic *enic = pmd_priv(eth_dev);
500 ENICPMD_FUNC_TRACE();
502 enic_add_packet_filter(enic);
505 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
507 struct enic *enic = pmd_priv(eth_dev);
509 ENICPMD_FUNC_TRACE();
511 enic_add_packet_filter(enic);
514 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
515 struct ether_addr *mac_addr,
516 __rte_unused uint32_t index, __rte_unused uint32_t pool)
518 struct enic *enic = pmd_priv(eth_dev);
520 ENICPMD_FUNC_TRACE();
521 enic_set_mac_address(enic, mac_addr->addr_bytes);
524 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
526 struct enic *enic = pmd_priv(eth_dev);
528 ENICPMD_FUNC_TRACE();
529 enic_del_mac_address(enic);
532 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
534 struct enic *enic = pmd_priv(eth_dev);
536 ENICPMD_FUNC_TRACE();
537 return enic_set_mtu(enic, mtu);
540 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
541 .dev_configure = enicpmd_dev_configure,
542 .dev_start = enicpmd_dev_start,
543 .dev_stop = enicpmd_dev_stop,
544 .dev_set_link_up = NULL,
545 .dev_set_link_down = NULL,
546 .dev_close = enicpmd_dev_close,
547 .promiscuous_enable = enicpmd_dev_promiscuous_enable,
548 .promiscuous_disable = enicpmd_dev_promiscuous_disable,
549 .allmulticast_enable = enicpmd_dev_allmulticast_enable,
550 .allmulticast_disable = enicpmd_dev_allmulticast_disable,
551 .link_update = enicpmd_dev_link_update,
552 .stats_get = enicpmd_dev_stats_get,
553 .stats_reset = enicpmd_dev_stats_reset,
554 .queue_stats_mapping_set = NULL,
555 .dev_infos_get = enicpmd_dev_info_get,
556 .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
557 .mtu_set = enicpmd_mtu_set,
558 .vlan_filter_set = enicpmd_vlan_filter_set,
559 .vlan_tpid_set = NULL,
560 .vlan_offload_set = enicpmd_vlan_offload_set,
561 .vlan_strip_queue_set = NULL,
562 .rx_queue_start = enicpmd_dev_rx_queue_start,
563 .rx_queue_stop = enicpmd_dev_rx_queue_stop,
564 .tx_queue_start = enicpmd_dev_tx_queue_start,
565 .tx_queue_stop = enicpmd_dev_tx_queue_stop,
566 .rx_queue_setup = enicpmd_dev_rx_queue_setup,
567 .rx_queue_release = enicpmd_dev_rx_queue_release,
568 .rx_queue_count = NULL,
569 .rx_descriptor_done = NULL,
570 .tx_queue_setup = enicpmd_dev_tx_queue_setup,
571 .tx_queue_release = enicpmd_dev_tx_queue_release,
574 .flow_ctrl_get = NULL,
575 .flow_ctrl_set = NULL,
576 .priority_flow_ctrl_set = NULL,
577 .mac_addr_add = enicpmd_add_mac_addr,
578 .mac_addr_remove = enicpmd_remove_mac_addr,
579 .filter_ctrl = enicpmd_dev_filter_ctrl,
582 struct enic *enicpmd_list_head = NULL;
583 /* Initialize the driver
584 * It returns 0 on success.
586 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
588 struct rte_pci_device *pdev;
589 struct rte_pci_addr *addr;
590 struct enic *enic = pmd_priv(eth_dev);
592 ENICPMD_FUNC_TRACE();
594 enic->port_id = eth_dev->data->port_id;
595 enic->rte_dev = eth_dev;
596 eth_dev->dev_ops = &enicpmd_eth_dev_ops;
597 eth_dev->rx_pkt_burst = &enic_recv_pkts;
598 eth_dev->tx_pkt_burst = &enic_xmit_pkts;
600 pdev = eth_dev->pci_dev;
601 rte_eth_copy_pci_info(eth_dev, pdev);
605 snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
606 addr->domain, addr->bus, addr->devid, addr->function);
608 return enic_probe(enic);
611 static struct eth_driver rte_enic_pmd = {
613 .name = "rte_enic_pmd",
614 .id_table = pci_id_enic_map,
615 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
617 .eth_dev_init = eth_enicpmd_dev_init,
618 .dev_private_size = sizeof(struct enic),
621 /* Driver initialization routine.
622 * Invoked once at EAL init time.
623 * Register as the [Poll Mode] Driver of Cisco ENIC device.
626 rte_enic_pmd_init(__rte_unused const char *name,
627 __rte_unused const char *params)
629 ENICPMD_FUNC_TRACE();
631 rte_eth_driver_register(&rte_enic_pmd);
635 static struct rte_driver rte_enic_driver = {
637 .init = rte_enic_pmd_init,
640 PMD_REGISTER_DRIVER(rte_enic_driver, enic);
641 DRIVER_REGISTER_PCI_TABLE(enic, pci_id_enic_map);