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 dev_warning(enic, "unsupported operation %u", filter_op);
101 case RTE_ETH_FILTER_INFO:
102 enic_fdir_info_get(enic, (struct rte_eth_fdir_info *)arg);
105 dev_err(enic, "unknown operation %u", filter_op);
113 enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev,
114 enum rte_filter_type filter_type,
115 enum rte_filter_op filter_op,
120 if (RTE_ETH_FILTER_FDIR == filter_type)
121 ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg);
123 dev_warning(enic, "Filter type (%d) not supported",
129 static void enicpmd_dev_tx_queue_release(void *txq)
131 ENICPMD_FUNC_TRACE();
135 static int enicpmd_dev_setup_intr(struct enic *enic)
140 ENICPMD_FUNC_TRACE();
142 /* Are we done with the init of all the queues? */
143 for (index = 0; index < enic->cq_count; index++) {
144 if (!enic->cq[index].ctrl)
147 if (enic->cq_count != index)
149 for (index = 0; index < enic->wq_count; index++) {
150 if (!enic->wq[index].ctrl)
153 if (enic->wq_count != index)
155 /* check start of packet (SOP) RQs only in case scatter is disabled. */
156 for (index = 0; index < enic->rq_count; index++) {
157 if (!enic->rq[enic_rte_rq_idx_to_sop_idx(index)].ctrl)
160 if (enic->rq_count != index)
163 ret = enic_alloc_intr_resources(enic);
165 dev_err(enic, "alloc intr failed\n");
168 enic_init_vnic_resources(enic);
170 ret = enic_setup_finish(enic);
172 dev_err(enic, "setup could not be finished\n");
177 static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev,
180 unsigned int socket_id,
181 __rte_unused const struct rte_eth_txconf *tx_conf)
184 struct enic *enic = pmd_priv(eth_dev);
186 ENICPMD_FUNC_TRACE();
187 RTE_ASSERT(queue_idx < enic->conf_wq_count);
188 eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx];
190 ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc);
192 dev_err(enic, "error in allocating wq\n");
196 return enicpmd_dev_setup_intr(enic);
199 static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
202 struct enic *enic = pmd_priv(eth_dev);
204 ENICPMD_FUNC_TRACE();
206 enic_start_wq(enic, queue_idx);
211 static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
215 struct enic *enic = pmd_priv(eth_dev);
217 ENICPMD_FUNC_TRACE();
219 ret = enic_stop_wq(enic, queue_idx);
221 dev_err(enic, "error in stopping wq %d\n", queue_idx);
226 static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
229 struct enic *enic = pmd_priv(eth_dev);
231 ENICPMD_FUNC_TRACE();
233 enic_start_rq(enic, queue_idx);
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);
253 static void enicpmd_dev_rx_queue_release(void *rxq)
255 ENICPMD_FUNC_TRACE();
259 static uint32_t enicpmd_dev_rx_queue_count(struct rte_eth_dev *dev,
260 uint16_t rx_queue_id)
262 struct enic *enic = pmd_priv(dev);
263 uint32_t queue_count = 0;
269 if (rx_queue_id >= dev->data->nb_rx_queues) {
270 dev_err(enic, "Invalid RX queue id=%d", rx_queue_id);
274 rq_num = enic_rte_rq_idx_to_sop_idx(rx_queue_id);
275 cq = &enic->cq[enic_cq_rq(enic, rq_num)];
276 cq_idx = cq->to_clean;
278 cq_tail = ioread32(&cq->ctrl->cq_tail);
280 if (cq_tail < cq_idx)
281 cq_tail += cq->ring.desc_count;
283 queue_count = cq_tail - cq_idx;
288 static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev,
291 unsigned int socket_id,
292 const struct rte_eth_rxconf *rx_conf,
293 struct rte_mempool *mp)
296 struct enic *enic = pmd_priv(eth_dev);
298 ENICPMD_FUNC_TRACE();
300 RTE_ASSERT(enic_rte_rq_idx_to_sop_idx(queue_idx) < enic->conf_rq_count);
301 eth_dev->data->rx_queues[queue_idx] =
302 (void *)&enic->rq[enic_rte_rq_idx_to_sop_idx(queue_idx)];
304 ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc,
305 rx_conf->rx_free_thresh);
307 dev_err(enic, "error in allocating rq\n");
311 return enicpmd_dev_setup_intr(enic);
314 static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev,
315 uint16_t vlan_id, int on)
317 struct enic *enic = pmd_priv(eth_dev);
320 ENICPMD_FUNC_TRACE();
322 err = enic_add_vlan(enic, vlan_id);
324 err = enic_del_vlan(enic, vlan_id);
328 static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
330 struct enic *enic = pmd_priv(eth_dev);
332 ENICPMD_FUNC_TRACE();
334 if (mask & ETH_VLAN_STRIP_MASK) {
335 if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip)
336 enic->ig_vlan_strip_en = 1;
338 enic->ig_vlan_strip_en = 0;
340 enic_set_rss_nic_cfg(enic);
343 if (mask & ETH_VLAN_FILTER_MASK) {
345 "Configuration of VLAN filter is not supported\n");
348 if (mask & ETH_VLAN_EXTEND_MASK) {
350 "Configuration of extended VLAN is not supported\n");
354 static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev)
357 struct enic *enic = pmd_priv(eth_dev);
359 ENICPMD_FUNC_TRACE();
360 ret = enic_set_vnic_res(enic);
362 dev_err(enic, "Set vNIC resource num failed, aborting\n");
366 if (eth_dev->data->dev_conf.rxmode.split_hdr_size &&
367 eth_dev->data->dev_conf.rxmode.header_split) {
368 /* Enable header-data-split */
369 enic_set_hdr_split_size(enic,
370 eth_dev->data->dev_conf.rxmode.split_hdr_size);
373 enicpmd_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK);
374 enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum;
379 * It returns 0 on success.
381 static int enicpmd_dev_start(struct rte_eth_dev *eth_dev)
383 struct enic *enic = pmd_priv(eth_dev);
385 ENICPMD_FUNC_TRACE();
386 return enic_enable(enic);
390 * Stop device: disable rx and tx functions to allow for reconfiguring.
392 static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev)
394 struct rte_eth_link link;
395 struct enic *enic = pmd_priv(eth_dev);
397 ENICPMD_FUNC_TRACE();
399 memset(&link, 0, sizeof(link));
400 rte_atomic64_cmpset((uint64_t *)ð_dev->data->dev_link,
401 *(uint64_t *)ð_dev->data->dev_link,
408 static void enicpmd_dev_close(struct rte_eth_dev *eth_dev)
410 struct enic *enic = pmd_priv(eth_dev);
412 ENICPMD_FUNC_TRACE();
416 static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev,
417 __rte_unused int wait_to_complete)
419 struct enic *enic = pmd_priv(eth_dev);
421 ENICPMD_FUNC_TRACE();
422 return enic_link_update(enic);
425 static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev,
426 struct rte_eth_stats *stats)
428 struct enic *enic = pmd_priv(eth_dev);
430 ENICPMD_FUNC_TRACE();
431 enic_dev_stats_get(enic, stats);
434 static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev)
436 struct enic *enic = pmd_priv(eth_dev);
438 ENICPMD_FUNC_TRACE();
439 enic_dev_stats_clear(enic);
442 static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev,
443 struct rte_eth_dev_info *device_info)
445 struct enic *enic = pmd_priv(eth_dev);
447 ENICPMD_FUNC_TRACE();
448 /* Scattered Rx uses two receive queues per rx queue exposed to dpdk */
449 device_info->max_rx_queues = enic->conf_rq_count / 2;
450 device_info->max_tx_queues = enic->conf_wq_count;
451 device_info->min_rx_bufsize = ENIC_MIN_MTU;
452 device_info->max_rx_pktlen = enic->max_mtu + ETHER_HDR_LEN + 4;
453 device_info->max_mac_addrs = 1;
454 device_info->rx_offload_capa =
455 DEV_RX_OFFLOAD_VLAN_STRIP |
456 DEV_RX_OFFLOAD_IPV4_CKSUM |
457 DEV_RX_OFFLOAD_UDP_CKSUM |
458 DEV_RX_OFFLOAD_TCP_CKSUM;
459 device_info->tx_offload_capa =
460 DEV_TX_OFFLOAD_VLAN_INSERT |
461 DEV_TX_OFFLOAD_IPV4_CKSUM |
462 DEV_TX_OFFLOAD_UDP_CKSUM |
463 DEV_TX_OFFLOAD_TCP_CKSUM;
464 device_info->default_rxconf = (struct rte_eth_rxconf) {
465 .rx_free_thresh = ENIC_DEFAULT_RX_FREE_THRESH
469 static const uint32_t *enicpmd_dev_supported_ptypes_get(struct rte_eth_dev *dev)
471 static const uint32_t ptypes[] = {
473 RTE_PTYPE_L2_ETHER_VLAN,
474 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
475 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
479 RTE_PTYPE_L4_NONFRAG,
483 if (dev->rx_pkt_burst == enic_recv_pkts)
488 static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
490 struct enic *enic = pmd_priv(eth_dev);
492 ENICPMD_FUNC_TRACE();
494 enic_add_packet_filter(enic);
497 static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
499 struct enic *enic = pmd_priv(eth_dev);
501 ENICPMD_FUNC_TRACE();
503 enic_add_packet_filter(enic);
506 static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
508 struct enic *enic = pmd_priv(eth_dev);
510 ENICPMD_FUNC_TRACE();
512 enic_add_packet_filter(enic);
515 static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
517 struct enic *enic = pmd_priv(eth_dev);
519 ENICPMD_FUNC_TRACE();
521 enic_add_packet_filter(enic);
524 static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev,
525 struct ether_addr *mac_addr,
526 __rte_unused uint32_t index, __rte_unused uint32_t pool)
528 struct enic *enic = pmd_priv(eth_dev);
530 ENICPMD_FUNC_TRACE();
531 enic_set_mac_address(enic, mac_addr->addr_bytes);
534 static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index)
536 struct enic *enic = pmd_priv(eth_dev);
538 ENICPMD_FUNC_TRACE();
539 enic_del_mac_address(enic);
542 static int enicpmd_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
544 struct enic *enic = pmd_priv(eth_dev);
546 ENICPMD_FUNC_TRACE();
547 return enic_set_mtu(enic, mtu);
550 static const struct eth_dev_ops enicpmd_eth_dev_ops = {
551 .dev_configure = enicpmd_dev_configure,
552 .dev_start = enicpmd_dev_start,
553 .dev_stop = enicpmd_dev_stop,
554 .dev_set_link_up = NULL,
555 .dev_set_link_down = NULL,
556 .dev_close = enicpmd_dev_close,
557 .promiscuous_enable = enicpmd_dev_promiscuous_enable,
558 .promiscuous_disable = enicpmd_dev_promiscuous_disable,
559 .allmulticast_enable = enicpmd_dev_allmulticast_enable,
560 .allmulticast_disable = enicpmd_dev_allmulticast_disable,
561 .link_update = enicpmd_dev_link_update,
562 .stats_get = enicpmd_dev_stats_get,
563 .stats_reset = enicpmd_dev_stats_reset,
564 .queue_stats_mapping_set = NULL,
565 .dev_infos_get = enicpmd_dev_info_get,
566 .dev_supported_ptypes_get = enicpmd_dev_supported_ptypes_get,
567 .mtu_set = enicpmd_mtu_set,
568 .vlan_filter_set = enicpmd_vlan_filter_set,
569 .vlan_tpid_set = NULL,
570 .vlan_offload_set = enicpmd_vlan_offload_set,
571 .vlan_strip_queue_set = NULL,
572 .rx_queue_start = enicpmd_dev_rx_queue_start,
573 .rx_queue_stop = enicpmd_dev_rx_queue_stop,
574 .tx_queue_start = enicpmd_dev_tx_queue_start,
575 .tx_queue_stop = enicpmd_dev_tx_queue_stop,
576 .rx_queue_setup = enicpmd_dev_rx_queue_setup,
577 .rx_queue_release = enicpmd_dev_rx_queue_release,
578 .rx_queue_count = enicpmd_dev_rx_queue_count,
579 .rx_descriptor_done = NULL,
580 .tx_queue_setup = enicpmd_dev_tx_queue_setup,
581 .tx_queue_release = enicpmd_dev_tx_queue_release,
584 .flow_ctrl_get = NULL,
585 .flow_ctrl_set = NULL,
586 .priority_flow_ctrl_set = NULL,
587 .mac_addr_add = enicpmd_add_mac_addr,
588 .mac_addr_remove = enicpmd_remove_mac_addr,
589 .filter_ctrl = enicpmd_dev_filter_ctrl,
592 struct enic *enicpmd_list_head = NULL;
593 /* Initialize the driver
594 * It returns 0 on success.
596 static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev)
598 struct rte_pci_device *pdev;
599 struct rte_pci_addr *addr;
600 struct enic *enic = pmd_priv(eth_dev);
602 ENICPMD_FUNC_TRACE();
604 enic->port_id = eth_dev->data->port_id;
605 enic->rte_dev = eth_dev;
606 eth_dev->dev_ops = &enicpmd_eth_dev_ops;
607 eth_dev->rx_pkt_burst = &enic_recv_pkts;
608 eth_dev->tx_pkt_burst = &enic_xmit_pkts;
610 pdev = eth_dev->pci_dev;
611 rte_eth_copy_pci_info(eth_dev, pdev);
615 snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x",
616 addr->domain, addr->bus, addr->devid, addr->function);
618 return enic_probe(enic);
621 static struct eth_driver rte_enic_pmd = {
623 .id_table = pci_id_enic_map,
624 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
625 .probe = rte_eth_dev_pci_probe,
626 .remove = rte_eth_dev_pci_remove,
628 .eth_dev_init = eth_enicpmd_dev_init,
629 .dev_private_size = sizeof(struct enic),
632 RTE_PMD_REGISTER_PCI(net_enic, rte_enic_pmd.pci_drv);
633 RTE_PMD_REGISTER_PCI_TABLE(net_enic, pci_id_enic_map);