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 if (queue_idx >= ENIC_RQ_MAX) {
274 "Max number of RX queues exceeded. Max is %d\n",
279 eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx];
281 ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc);
283 dev_err(enic, "error in allocating rq\n");
287 enic->rq[queue_idx].rx_free_thresh = rx_conf->rx_free_thresh;
288 dev_debug(enic, "Set queue_id:%u free thresh:%u\n", queue_idx,
289 enic->rq[queue_idx].rx_free_thresh);
291 return enicpmd_dev_setup_intr(enic);
294 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
295 uint16_t vlan_id, int on)
297 struct enic *enic = pmd_priv(eth_dev);
300 ENICPMD_FUNC_TRACE();
302 err = enic_add_vlan(enic, vlan_id);
304 err = enic_del_vlan(enic, vlan_id);
308 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
310 struct enic *enic = pmd_priv(eth_dev);
312 ENICPMD_FUNC_TRACE();
314 if (mask & ETH_VLAN_STRIP_MASK) {
315 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
316 enic->ig_vlan_strip_en = 1;
318 enic->ig_vlan_strip_en = 0;
320 enic_set_rss_nic_cfg(enic);
323 if (mask & ETH_VLAN_FILTER_MASK) {
325 "Configuration of VLAN filter is not supported\n");
328 if (mask & ETH_VLAN_EXTEND_MASK) {
330 "Configuration of extended VLAN is not supported\n");
334 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
337 struct enic *enic = pmd_priv(eth_dev);
339 ENICPMD_FUNC_TRACE();
340 ret = enic_set_vnic_res(enic);
342 dev_err(enic, "Set vNIC resource num failed, aborting\n");
346 if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
347 eth_dev->data->dev_conf.rxmode.header_split) {
348 /* Enable header-data-split */
349 enic_set_hdr_split_size(enic,
350 eth_dev->data->dev_conf.rxmode.split_hdr_size);
353 enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
358 * It returns 0 on success.
360 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
362 struct enic *enic = pmd_priv(eth_dev);
364 ENICPMD_FUNC_TRACE();
365 return enic_enable(enic);
369 * Stop device: disable rx and tx functions to allow for reconfiguring.
371 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
373 struct rte_eth_link link;
374 struct enic *enic = pmd_priv(eth_dev);
376 ENICPMD_FUNC_TRACE();
378 memset(&link, 0, sizeof(link));
379 rte_atomic64_cmpset((uint64_t *)ð_dev->data->dev_link,
380 *(uint64_t *)ð_dev->data->dev_link,
387 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
389 struct enic *enic = pmd_priv(eth_dev);
391 ENICPMD_FUNC_TRACE();
395 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
396 __rte_unused int wait_to_complete)
398 struct enic *enic = pmd_priv(eth_dev);
402 ENICPMD_FUNC_TRACE();
403 link_status = enic_get_link_status(enic);
404 ret = (link_status == enic->link_status);
405 enic->link_status = link_status;
406 eth_dev->data->dev_link.link_status = link_status;
407 eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
408 eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
412 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
413 struct rte_eth_stats *stats)
415 struct enic *enic = pmd_priv(eth_dev);
417 ENICPMD_FUNC_TRACE();
418 enic_dev_stats_get(enic, stats);
421 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
423 struct enic *enic = pmd_priv(eth_dev);
425 ENICPMD_FUNC_TRACE();
426 enic_dev_stats_clear(enic);
429 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
430 struct rte_eth_dev_info *device_info)
432 struct enic *enic = pmd_priv(eth_dev);
434 ENICPMD_FUNC_TRACE();
435 device_info->max_rx_queues = enic->rq_count;
436 device_info->max_tx_queues = enic->wq_count;
437 device_info->min_rx_bufsize = ENIC_MIN_MTU;
438 device_info->max_rx_pktlen = enic->config.mtu;
439 device_info->max_mac_addrs = 1;
440 device_info->rx_offload_capa =
441 DEV_RX_OFFLOAD_VLAN_STRIP |
442 DEV_RX_OFFLOAD_IPV4_CKSUM |
443 DEV_RX_OFFLOAD_UDP_CKSUM |
444 DEV_RX_OFFLOAD_TCP_CKSUM;
445 device_info->tx_offload_capa =
446 DEV_TX_OFFLOAD_VLAN_INSERT |
447 DEV_TX_OFFLOAD_IPV4_CKSUM |
448 DEV_TX_OFFLOAD_UDP_CKSUM |
449 DEV_TX_OFFLOAD_TCP_CKSUM;
450 device_info->default_rxconf = (struct rte_eth_rxconf) {
451 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
455 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
457 static const uint32_t ptypes[] = {
463 if (dev->rx_pkt_burst == enic_recv_pkts)
468 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
470 struct enic *enic = pmd_priv(eth_dev);
472 ENICPMD_FUNC_TRACE();
474 enic_add_packet_filter(enic);
477 static void enicpmd_dev_promiscuous_disable(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_allmulticast_enable(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_disable(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_add_mac_addr(struct rte_eth_dev *eth_dev,
505 struct ether_addr *mac_addr,
506 __rte_unused uint32_t index, __rte_unused uint32_t pool)
508 struct enic *enic = pmd_priv(eth_dev);
510 ENICPMD_FUNC_TRACE();
511 enic_set_mac_address(enic, mac_addr->addr_bytes);
514 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
516 struct enic *enic = pmd_priv(eth_dev);
518 ENICPMD_FUNC_TRACE();
519 enic_del_mac_address(enic);
522 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
523 .dev_configure = enicpmd_dev_configure,
524 .dev_start = enicpmd_dev_start,
525 .dev_stop = enicpmd_dev_stop,
526 .dev_set_link_up = NULL,
527 .dev_set_link_down = NULL,
528 .dev_close = enicpmd_dev_close,
529 .promiscuous_enable = enicpmd_dev_promiscuous_enable,
530 .promiscuous_disable = enicpmd_dev_promiscuous_disable,
531 .allmulticast_enable = enicpmd_dev_allmulticast_enable,
532 .allmulticast_disable = enicpmd_dev_allmulticast_disable,
533 .link_update = enicpmd_dev_link_update,
534 .stats_get = enicpmd_dev_stats_get,
535 .stats_reset = enicpmd_dev_stats_reset,
536 .queue_stats_mapping_set = NULL,
537 .dev_infos_get = enicpmd_dev_info_get,
538 .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
540 .vlan_filter_set = enicpmd_vlan_filter_set,
541 .vlan_tpid_set = NULL,
542 .vlan_offload_set = enicpmd_vlan_offload_set,
543 .vlan_strip_queue_set = NULL,
544 .rx_queue_start = enicpmd_dev_rx_queue_start,
545 .rx_queue_stop = enicpmd_dev_rx_queue_stop,
546 .tx_queue_start = enicpmd_dev_tx_queue_start,
547 .tx_queue_stop = enicpmd_dev_tx_queue_stop,
548 .rx_queue_setup = enicpmd_dev_rx_queue_setup,
549 .rx_queue_release = enicpmd_dev_rx_queue_release,
550 .rx_queue_count = NULL,
551 .rx_descriptor_done = NULL,
552 .tx_queue_setup = enicpmd_dev_tx_queue_setup,
553 .tx_queue_release = enicpmd_dev_tx_queue_release,
556 .flow_ctrl_get = NULL,
557 .flow_ctrl_set = NULL,
558 .priority_flow_ctrl_set = NULL,
559 .mac_addr_add = enicpmd_add_mac_addr,
560 .mac_addr_remove = enicpmd_remove_mac_addr,
561 .filter_ctrl = enicpmd_dev_filter_ctrl,
564 struct enic *enicpmd_list_head = NULL;
565 /* Initialize the driver
566 * It returns 0 on success.
568 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
570 struct rte_pci_device *pdev;
571 struct rte_pci_addr *addr;
572 struct enic *enic = pmd_priv(eth_dev);
574 ENICPMD_FUNC_TRACE();
576 enic->port_id = eth_dev->data->port_id;
577 enic->rte_dev = eth_dev;
578 eth_dev->dev_ops = &enicpmd_eth_dev_ops;
579 eth_dev->rx_pkt_burst = &enic_recv_pkts;
580 eth_dev->tx_pkt_burst = &enic_xmit_pkts;
582 pdev = eth_dev->pci_dev;
583 rte_eth_copy_pci_info(eth_dev, pdev);
587 snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
588 addr->domain, addr->bus, addr->devid, addr->function);
590 return enic_probe(enic);
593 static struct eth_driver rte_enic_pmd = {
595 .name = "rte_enic_pmd",
596 .id_table = pci_id_enic_map,
597 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
599 .eth_dev_init = eth_enicpmd_dev_init,
600 .dev_private_size = sizeof(struct enic),
603 /* Driver initialization routine.
604 * Invoked once at EAL init time.
605 * Register as the [Poll Mode] Driver of Cisco ENIC device.
608 rte_enic_pmd_init(__rte_unused const char *name,
609 __rte_unused const char *params)
611 ENICPMD_FUNC_TRACE();
613 rte_eth_driver_register(&rte_enic_pmd);
617 static struct rte_driver rte_enic_driver = {
619 .init = rte_enic_pmd_init,
622 PMD_REGISTER_DRIVER(rte_enic_driver);