1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2020 Mellanox Technologies, Ltd
11 #include <rte_windows.h>
12 #include <ethdev_pci.h>
14 #include <mlx5_glue.h>
15 #include <mlx5_devx_cmds.h>
16 #include <mlx5_common.h>
17 #include <mlx5_common_mp.h>
18 #include <mlx5_common_mr.h>
19 #include <mlx5_malloc.h>
21 #include "mlx5_defs.h"
23 #include "mlx5_common_os.h"
24 #include "mlx5_utils.h"
25 #include "mlx5_rxtx.h"
26 #include "mlx5_autoconf.h"
28 #include "mlx5_flow.h"
29 #include "mlx5_devx.h"
31 #define MLX5_TAGS_HLIST_ARRAY_SIZE 8192
33 static const char *MZ_MLX5_PMD_SHARED_DATA = "mlx5_pmd_shared_data";
35 /* Spinlock for mlx5_shared_data allocation. */
36 static rte_spinlock_t mlx5_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
39 * Initialize shared data between primary and secondary process.
41 * A memzone is reserved by primary process and secondary processes attach to
45 * 0 on success, a negative errno value otherwise and rte_errno is set.
48 mlx5_init_shared_data(void)
50 const struct rte_memzone *mz;
53 rte_spinlock_lock(&mlx5_shared_data_lock);
54 if (mlx5_shared_data == NULL) {
55 /* Allocate shared memory. */
56 mz = rte_memzone_reserve(MZ_MLX5_PMD_SHARED_DATA,
57 sizeof(*mlx5_shared_data),
61 "Cannot allocate mlx5 shared data");
65 mlx5_shared_data = mz->addr;
66 memset(mlx5_shared_data, 0, sizeof(*mlx5_shared_data));
67 rte_spinlock_init(&mlx5_shared_data->lock);
70 rte_spinlock_unlock(&mlx5_shared_data_lock);
75 * PMD global initialization.
77 * Independent from individual device, this function initializes global
78 * per-PMD data structures distinguishing primary and secondary processes.
79 * Hence, each initialization is called once per a process.
82 * 0 on success, a negative errno value otherwise and rte_errno is set.
87 if (mlx5_init_shared_data())
93 * Get mlx5 device attributes.
96 * Pointer to device context.
99 * Pointer to mlx5 device attributes.
102 * 0 on success, non zero error number otherwise
105 mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr)
107 struct mlx5_context *mlx5_ctx;
108 struct mlx5_hca_attr hca_attr;
109 void *pv_iseg = NULL;
115 mlx5_ctx = (struct mlx5_context *)ctx;
116 memset(device_attr, 0, sizeof(*device_attr));
117 err = mlx5_devx_cmd_query_hca_attr(mlx5_ctx, &hca_attr);
119 DRV_LOG(ERR, "Failed to get device hca_cap");
122 device_attr->max_cq = 1 << hca_attr.log_max_cq;
123 device_attr->max_qp = 1 << hca_attr.log_max_qp;
124 device_attr->max_qp_wr = 1 << hca_attr.log_max_qp_sz;
125 device_attr->max_cqe = 1 << hca_attr.log_max_cq_sz;
126 device_attr->max_mr = 1 << hca_attr.log_max_mrw_sz;
127 device_attr->max_pd = 1 << hca_attr.log_max_pd;
128 device_attr->max_srq = 1 << hca_attr.log_max_srq;
129 device_attr->max_srq_wr = 1 << hca_attr.log_max_srq_sz;
130 if (hca_attr.rss_ind_tbl_cap) {
131 device_attr->max_rwq_indirection_table_size =
132 1 << hca_attr.rss_ind_tbl_cap;
134 pv_iseg = mlx5_glue->query_hca_iseg(mlx5_ctx, &cb_iseg);
135 if (pv_iseg == NULL) {
136 DRV_LOG(ERR, "Failed to get device hca_iseg");
140 snprintf(device_attr->fw_ver, 64, "%x.%x.%04x",
141 MLX5_GET(initial_seg, pv_iseg, fw_rev_major),
142 MLX5_GET(initial_seg, pv_iseg, fw_rev_minor),
143 MLX5_GET(initial_seg, pv_iseg, fw_rev_subminor));
149 * Initialize DR related data within private structure.
150 * Routine checks the reference counter and does actual
151 * resources creation/initialization only if counter is zero.
154 * Pointer to the private device data structure.
157 * Zero on success, positive error code otherwise.
160 mlx5_alloc_shared_dr(struct mlx5_priv *priv)
162 struct mlx5_dev_ctx_shared *sh = priv->sh;
166 err = mlx5_alloc_table_hash_list(priv);
168 DRV_LOG(DEBUG, "sh->flow_tbls[%p] already created, reuse\n",
169 (void *)sh->flow_tbls);
173 * Destroy DR related data within private structure.
176 * Pointer to the private device data structure.
179 mlx5_os_free_shared_dr(struct mlx5_priv *priv)
181 mlx5_free_table_hash_list(priv);
185 * Set the completion channel file descriptor interrupt as non-blocking.
186 * Currently it has no support under Windows.
189 * Pointer to RQ channel object, which includes the channel fd
192 * The file descriptor (representing the intetrrupt) used in this channel.
195 * 0 on successfully setting the fd to non-blocking, non-zero otherwise.
198 mlx5_os_set_nonblock_channel_fd(int fd)
201 DRV_LOG(WARNING, "%s: is not supported", __func__);
206 * Function API open device under Windows
208 * This function calls the Windows glue APIs to open a device.
211 * Pointer to the device attributes (name, port, etc).
213 * Pointer to device configuration structure.
215 * Pointer to shared context structure.
218 * 0 on success, a positive error value otherwise.
221 mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
222 const struct mlx5_dev_config *config,
223 struct mlx5_dev_ctx_shared *sh)
225 RTE_SET_USED(config);
227 struct mlx5_context *mlx5_ctx;
229 pthread_mutex_init(&sh->txpp.mutex, NULL);
230 /* Set numa node from pci probe */
231 sh->numa_node = spawn->pci_dev->device.numa_node;
233 /* Try to open device with DevX */
235 sh->ctx = mlx5_glue->open_device(spawn->phys_dev);
237 DRV_LOG(ERR, "open_device failed");
242 mlx5_ctx = (struct mlx5_context *)sh->ctx;
243 err = mlx5_glue->query_device(spawn->phys_dev, &mlx5_ctx->mlx5_dev);
245 DRV_LOG(ERR, "Failed to query device context fields.");
250 * DV flow counter mode detect and config.
253 * Pointer to rte_eth_dev structure.
257 mlx5_flow_counter_mode_config(struct rte_eth_dev *dev __rte_unused)
259 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
260 struct mlx5_priv *priv = dev->data->dev_private;
261 struct mlx5_dev_ctx_shared *sh = priv->sh;
264 #ifndef HAVE_IBV_DEVX_ASYNC
268 if (!priv->config.devx || !priv->config.dv_flow_en ||
269 !priv->config.hca_attr.flow_counters_dump ||
270 !(priv->config.hca_attr.flow_counter_bulk_alloc_bitmap & 0x4) ||
271 (mlx5_flow_dv_discover_counter_offset_support(dev) == -ENOTSUP))
275 DRV_LOG(INFO, "Use fall-back DV counter management. Flow "
276 "counter dump:%d, bulk_alloc_bitmap:0x%hhx.",
277 priv->config.hca_attr.flow_counters_dump,
278 priv->config.hca_attr.flow_counter_bulk_alloc_bitmap);
279 /* Initialize fallback mode only on the port initializes sh. */
281 sh->cmng.counter_fallback = fallback;
282 else if (fallback != sh->cmng.counter_fallback)
283 DRV_LOG(WARNING, "Port %d in sh has different fallback mode "
284 "with others:%d.", PORT_ID(priv), fallback);
289 * Spawn an Ethernet device from Verbs information.
292 * Backing DPDK device.
294 * Verbs device parameters (name, port, switch_info) to spawn.
296 * Device configuration parameters.
299 * A valid Ethernet device object on success, NULL otherwise and rte_errno
300 * is set. The following errors are defined:
302 * EEXIST: device is already spawned
304 static struct rte_eth_dev *
305 mlx5_dev_spawn(struct rte_device *dpdk_dev,
306 struct mlx5_dev_spawn_data *spawn,
307 struct mlx5_dev_config *config)
309 const struct mlx5_switch_info *switch_info = &spawn->info;
310 struct mlx5_dev_ctx_shared *sh = NULL;
311 struct mlx5_dev_attr device_attr;
312 struct rte_eth_dev *eth_dev = NULL;
313 struct mlx5_priv *priv = NULL;
315 unsigned int cqe_comp;
316 struct rte_ether_addr mac;
317 char name[RTE_ETH_NAME_MAX_LEN];
318 int own_domain_id = 0;
321 /* Build device name. */
322 strlcpy(name, dpdk_dev->name, sizeof(name));
323 /* check if the device is already spawned */
324 if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
328 DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
330 * Some parameters are needed in advance to create device context. We
331 * process the devargs here to get ones, and later process devargs
332 * again to override some hardware settings.
334 err = mlx5_args(config, dpdk_dev->devargs);
337 DRV_LOG(ERR, "failed to process device arguments: %s",
338 strerror(rte_errno));
341 mlx5_malloc_mem_select(config->sys_mem_en);
342 sh = mlx5_alloc_shared_dev_ctx(spawn, config);
345 config->devx = sh->devx;
346 /* Initialize the shutdown event in mlx5_dev_spawn to
347 * support mlx5_is_removed for Windows.
349 err = mlx5_glue->devx_init_showdown_event(sh->ctx);
351 DRV_LOG(ERR, "failed to init showdown event: %s",
355 DRV_LOG(DEBUG, "MPW isn't supported");
356 mlx5_os_get_dev_attr(sh->ctx, &device_attr);
358 config->ind_table_max_size =
359 sh->device_attr.max_rwq_indirection_table_size;
360 if (RTE_CACHE_LINE_SIZE == 128 &&
361 !(device_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP))
365 config->cqe_comp = cqe_comp;
366 DRV_LOG(DEBUG, "tunnel offloading is not supported");
367 config->tunnel_en = 0;
368 DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is no supported");
370 /* Allocate private eth device data. */
371 priv = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
373 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
375 DRV_LOG(ERR, "priv allocation failure");
380 priv->dev_port = spawn->phys_port;
381 priv->pci_dev = spawn->pci_dev;
382 priv->mtu = RTE_ETHER_MTU;
383 priv->mp_id.port_id = port_id;
384 strlcpy(priv->mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
385 priv->representor = !!switch_info->representor;
386 priv->master = !!switch_info->master;
387 priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
388 priv->vport_meta_tag = 0;
389 priv->vport_meta_mask = 0;
390 priv->pf_bond = spawn->pf_bond;
392 /* representor_id field keeps the unmodified VF index. */
393 priv->representor_id = -1;
395 * Look for sibling devices in order to reuse their switch domain
396 * if any, otherwise allocate one.
398 MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
399 const struct mlx5_priv *opriv =
400 rte_eth_devices[port_id].data->dev_private;
403 opriv->sh != priv->sh ||
405 RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
407 priv->domain_id = opriv->domain_id;
410 if (priv->domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
411 err = rte_eth_switch_domain_alloc(&priv->domain_id);
414 DRV_LOG(ERR, "unable to allocate switch domain: %s",
415 strerror(rte_errno));
420 /* Override some values set by hardware configuration. */
421 mlx5_args(config, dpdk_dev->devargs);
422 err = mlx5_dev_check_sibling_config(priv, config);
425 config->hw_csum = !!(sh->device_attr.device_cap_flags_ex &
426 IBV_DEVICE_RAW_IP_CSUM);
427 DRV_LOG(DEBUG, "checksum offloading is %ssupported",
428 (config->hw_csum ? "" : "not "));
429 DRV_LOG(DEBUG, "counters are not supported");
430 config->ind_table_max_size =
431 sh->device_attr.max_rwq_indirection_table_size;
433 * Remove this check once DPDK supports larger/variable
434 * indirection tables.
436 if (config->ind_table_max_size > (unsigned int)ETH_RSS_RETA_SIZE_512)
437 config->ind_table_max_size = ETH_RSS_RETA_SIZE_512;
438 DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
439 config->ind_table_max_size);
440 config->hw_vlan_strip = !!(sh->device_attr.raw_packet_caps &
441 IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
442 DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
443 (config->hw_vlan_strip ? "" : "not "));
444 config->hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
445 IBV_RAW_PACKET_CAP_SCATTER_FCS);
446 if (config->hw_padding) {
447 DRV_LOG(DEBUG, "Rx end alignment padding isn't supported");
448 config->hw_padding = 0;
450 config->tso = (sh->device_attr.max_tso > 0 &&
451 (sh->device_attr.tso_supported_qpts &
452 (1 << IBV_QPT_RAW_PACKET)));
454 config->tso_max_payload_sz = sh->device_attr.max_tso;
455 DRV_LOG(DEBUG, "%sMPS is %s.",
456 config->mps == MLX5_MPW_ENHANCED ? "enhanced " :
457 config->mps == MLX5_MPW ? "legacy " : "",
458 config->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
459 if (config->cqe_comp && !cqe_comp) {
460 DRV_LOG(WARNING, "Rx CQE compression isn't supported.");
461 config->cqe_comp = 0;
464 err = mlx5_devx_cmd_query_hca_attr(sh->ctx, &config->hca_attr);
469 /* Check relax ordering support. */
470 sh->cmng.relaxed_ordering_read = 0;
471 sh->cmng.relaxed_ordering_write = 0;
472 if (!haswell_broadwell_cpu) {
473 sh->cmng.relaxed_ordering_write =
474 config->hca_attr.relaxed_ordering_write;
475 sh->cmng.relaxed_ordering_read =
476 config->hca_attr.relaxed_ordering_read;
480 uint32_t reg[MLX5_ST_SZ_DW(register_mtutc)];
482 err = config->hca_attr.access_register_user ?
483 mlx5_devx_cmd_register_read
484 (sh->ctx, MLX5_REGISTER_ID_MTUTC, 0,
485 reg, MLX5_ST_SZ_DW(register_mtutc)) : ENOTSUP;
489 /* MTUTC register is read successfully. */
490 ts_mode = MLX5_GET(register_mtutc, reg,
492 if (ts_mode == MLX5_MTUTC_TIMESTAMP_MODE_REAL_TIME)
493 config->rt_timestamp = 1;
495 /* Kernel does not support register reading. */
496 if (config->hca_attr.dev_freq_khz ==
497 (NS_PER_S / MS_PER_S))
498 config->rt_timestamp = 1;
501 if (config->mprq.enabled) {
502 DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
503 config->mprq.enabled = 0;
505 if (config->max_dump_files_num == 0)
506 config->max_dump_files_num = 128;
507 eth_dev = rte_eth_dev_allocate(name);
508 if (eth_dev == NULL) {
509 DRV_LOG(ERR, "can not allocate rte ethdev");
513 if (priv->representor) {
514 eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
515 eth_dev->data->representor_id = priv->representor_id;
518 * Store associated network device interface index. This index
519 * is permanent throughout the lifetime of device. So, we may store
520 * the ifindex here and use the cached value further.
522 MLX5_ASSERT(spawn->ifindex);
523 priv->if_index = spawn->ifindex;
524 eth_dev->data->dev_private = priv;
525 priv->dev_data = eth_dev->data;
526 eth_dev->data->mac_addrs = priv->mac;
527 eth_dev->device = dpdk_dev;
528 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
529 /* Configure the first MAC address by default. */
530 if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
532 "port %u cannot get MAC address, is mlx5_en"
533 " loaded? (errno: %s).",
534 eth_dev->data->port_id, strerror(rte_errno));
539 "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
540 eth_dev->data->port_id,
541 mac.addr_bytes[0], mac.addr_bytes[1],
542 mac.addr_bytes[2], mac.addr_bytes[3],
543 mac.addr_bytes[4], mac.addr_bytes[5]);
544 #ifdef RTE_LIBRTE_MLX5_DEBUG
546 char ifname[MLX5_NAMESIZE];
548 if (mlx5_get_ifname(eth_dev, &ifname) == 0)
549 DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
550 eth_dev->data->port_id, ifname);
552 DRV_LOG(DEBUG, "port %u ifname is unknown.",
553 eth_dev->data->port_id);
556 /* Get actual MTU if possible. */
557 err = mlx5_get_mtu(eth_dev, &priv->mtu);
562 DRV_LOG(DEBUG, "port %u MTU is %u.", eth_dev->data->port_id,
564 /* Initialize burst functions to prevent crashes before link-up. */
565 eth_dev->rx_pkt_burst = removed_rx_burst;
566 eth_dev->tx_pkt_burst = removed_tx_burst;
567 eth_dev->dev_ops = &mlx5_dev_ops;
568 eth_dev->rx_descriptor_status = mlx5_rx_descriptor_status;
569 eth_dev->tx_descriptor_status = mlx5_tx_descriptor_status;
570 eth_dev->rx_queue_count = mlx5_rx_queue_count;
571 /* Register MAC address. */
572 claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
574 priv->ctrl_flows = 0;
575 TAILQ_INIT(&priv->flow_meters);
576 TAILQ_INIT(&priv->flow_meter_profiles);
577 /* Bring Ethernet device up. */
578 DRV_LOG(DEBUG, "port %u forcing Ethernet interface up.",
579 eth_dev->data->port_id);
580 /* nl calls are unsupported - set to -1 not to fail on release */
581 priv->nl_socket_rdma = -1;
582 priv->nl_socket_route = -1;
583 mlx5_set_link_up(eth_dev);
585 * Even though the interrupt handler is not installed yet,
586 * interrupts will still trigger on the async_fd from
587 * Verbs context returned by ibv_open_device().
589 mlx5_link_update(eth_dev, 0);
590 config->dv_esw_en = 0;
591 /* Detect minimal data bytes to inline. */
592 mlx5_set_min_inline(spawn, config);
593 /* Store device configuration on private structure. */
594 priv->config = *config;
595 /* Create context for virtual machine VLAN workaround. */
596 priv->vmwa_context = NULL;
597 if (config->dv_flow_en) {
598 err = mlx5_alloc_shared_dr(priv);
602 /* No supported flow priority number detection. */
603 priv->config.flow_prio = -1;
604 if (!priv->config.dv_esw_en &&
605 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
606 DRV_LOG(WARNING, "metadata mode %u is not supported "
607 "(no E-Switch)", priv->config.dv_xmeta_en);
608 priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
610 mlx5_set_metadata_mask(eth_dev);
611 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
612 !priv->sh->dv_regc0_mask) {
613 DRV_LOG(ERR, "metadata mode %u is not supported "
614 "(no metadata reg_c[0] is available).",
615 priv->config.dv_xmeta_en);
619 mlx5_cache_list_init(&priv->hrxqs, "hrxq", 0, eth_dev,
622 mlx5_hrxq_remove_cb);
623 /* Query availability of metadata reg_c's. */
624 err = mlx5_flow_discover_mreg_c(eth_dev);
629 if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
631 "port %u extensive metadata register is not supported.",
632 eth_dev->data->port_id);
633 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
634 DRV_LOG(ERR, "metadata mode %u is not supported "
635 "(no metadata registers available).",
636 priv->config.dv_xmeta_en);
641 if (config->devx && config->dv_flow_en) {
642 priv->obj_ops = devx_obj_ops;
644 DRV_LOG(ERR, "Flow mode %u is not supported "
645 "(Windows flow must be DevX with DV flow enabled).",
646 priv->config.dv_flow_en);
650 mlx5_flow_counter_mode_config(eth_dev);
655 claim_zero(rte_eth_switch_domain_free(priv->domain_id));
658 eth_dev->data->dev_private = NULL;
660 if (eth_dev != NULL) {
661 /* mac_addrs must not be freed alone because part of
664 eth_dev->data->mac_addrs = NULL;
665 rte_eth_dev_release_port(eth_dev);
668 mlx5_free_shared_dev_ctx(sh);
669 MLX5_ASSERT(err > 0);
675 * This function should share events between multiple ports of single IB
676 * device. Currently it has no support under Windows.
679 * Pointer to mlx5_dev_ctx_shared object.
682 mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
685 DRV_LOG(WARNING, "%s: is not supported", __func__);
689 * This function should share events between multiple ports of single IB
690 * device. Currently it has no support under Windows.
693 * Pointer to mlx5_dev_ctx_shared object.
696 mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh)
699 DRV_LOG(WARNING, "%s: is not supported", __func__);
703 * Read statistics by a named counter.
706 * Pointer to the private device data structure.
707 * @param[in] ctr_name
708 * Pointer to the name of the statistic counter to read
710 * Pointer to read statistic value.
712 * 0 on success and stat is valud, 1 if failed to read the value
717 mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name,
721 RTE_SET_USED(ctr_name);
723 DRV_LOG(WARNING, "%s: is not supported", __func__);
728 * Flush device MAC addresses
729 * Currently it has no support under Windows.
732 * Pointer to Ethernet device structure.
736 mlx5_os_mac_addr_flush(struct rte_eth_dev *dev)
739 DRV_LOG(WARNING, "%s: is not supported", __func__);
743 * Remove a MAC address from device
744 * Currently it has no support under Windows.
747 * Pointer to Ethernet device structure.
752 mlx5_os_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
756 DRV_LOG(WARNING, "%s: is not supported", __func__);
760 * Adds a MAC address to the device
761 * Currently it has no support under Windows.
764 * Pointer to Ethernet device structure.
766 * MAC address to register.
771 * 0 on success, a negative errno value otherwise
774 mlx5_os_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac,
778 struct rte_ether_addr lmac;
780 if (mlx5_get_mac(dev, &lmac.addr_bytes)) {
782 "port %u cannot get MAC address, is mlx5_en"
783 " loaded? (errno: %s)",
784 dev->data->port_id, strerror(rte_errno));
787 if (!rte_is_same_ether_addr(&lmac, mac)) {
789 "adding new mac address to device is unsupported");
796 * Modify a VF MAC address
797 * Currently it has no support under Windows.
800 * Pointer to device private data.
802 * MAC address to modify into.
804 * Net device interface index
809 * 0 on success, a negative errno value otherwise
812 mlx5_os_vf_mac_addr_modify(struct mlx5_priv *priv,
813 unsigned int iface_idx,
814 struct rte_ether_addr *mac_addr,
821 DRV_LOG(WARNING, "%s: is not supported", __func__);
826 * Set device promiscuous mode
827 * Currently it has no support under Windows.
830 * Pointer to Ethernet device structure.
832 * 0 - promiscuous is disabled, otherwise - enabled
835 * 0 on success, a negative error value otherwise
838 mlx5_os_set_promisc(struct rte_eth_dev *dev, int enable)
842 DRV_LOG(WARNING, "%s: is not supported", __func__);
847 * Set device allmulti mode
850 * Pointer to Ethernet device structure.
852 * 0 - all multicase is disabled, otherwise - enabled
855 * 0 on success, a negative error value otherwise
858 mlx5_os_set_allmulti(struct rte_eth_dev *dev, int enable)
862 DRV_LOG(WARNING, "%s: is not supported", __func__);
867 * Detect if a devx_device_bdf object has identical DBDF values to the
868 * rte_pci_addr found in bus/pci probing
870 * @param[in] devx_bdf
871 * Pointer to the devx_device_bdf structure.
873 * Pointer to the rte_pci_addr structure.
876 * 1 on Device match, 0 on mismatch.
879 mlx5_match_devx_bdf_to_addr(struct devx_device_bdf *devx_bdf,
880 struct rte_pci_addr *addr)
882 if (addr->domain != (devx_bdf->bus_id >> 8) ||
883 addr->bus != (devx_bdf->bus_id & 0xff) ||
884 addr->devid != devx_bdf->dev_id ||
885 addr->function != devx_bdf->fnc_id) {
892 * Detect if a devx_device_bdf object matches the rte_pci_addr
893 * found in bus/pci probing
894 * Compare both the Native/PF BDF and the raw_bdf representing a VF BDF.
896 * @param[in] devx_bdf
897 * Pointer to the devx_device_bdf structure.
899 * Pointer to the rte_pci_addr structure.
902 * 1 on Device match, 0 on mismatch, rte_errno code on failure.
905 mlx5_match_devx_devices_to_addr(struct devx_device_bdf *devx_bdf,
906 struct rte_pci_addr *addr)
909 struct devx_device mlx5_dev;
911 if (mlx5_match_devx_bdf_to_addr(devx_bdf, addr))
914 * Didn't match on Native/PF BDF, could still
915 * Match a VF BDF, check it next
917 err = mlx5_glue->query_device(devx_bdf, &mlx5_dev);
919 DRV_LOG(ERR, "query_device failed");
923 if (mlx5_match_devx_bdf_to_addr(&mlx5_dev.raw_bdf, addr))
929 * DPDK callback to register a PCI device.
931 * This function spawns Ethernet devices out of a given PCI device.
934 * PCI driver structure (mlx5_driver).
936 * PCI device information.
939 * 0 on success, a negative errno value otherwise and rte_errno is set.
942 mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
943 struct rte_pci_device *pci_dev)
945 struct devx_device_bdf *devx_bdf_devs, *orig_devx_bdf_devs;
947 * Number of found IB Devices matching with requested PCI BDF.
948 * nd != 1 means there are multiple IB devices over the same
949 * PCI device and we have representors and master.
953 * Number of found IB device Ports. nd = 1 and np = 1..n means
954 * we have the single multiport IB device, and there may be
955 * representors attached to some of found ports.
956 * Currently not supported.
957 * unsigned int np = 0;
961 * Number of DPDK ethernet devices to Spawn - either over
962 * multiple IB devices or multiple ports of single IB device.
963 * Actually this is the number of iterations to spawn.
968 * < 0 - no bonding device (single one)
969 * >= 0 - bonding device (value is slave PF index)
972 struct mlx5_dev_spawn_data *list = NULL;
973 struct mlx5_dev_config dev_config;
974 unsigned int dev_config_vf;
978 if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
979 DRV_LOG(ERR, "Secondary process is not supported on Windows.");
982 ret = mlx5_init_once();
984 DRV_LOG(ERR, "unable to init PMD global data: %s",
985 strerror(rte_errno));
989 devx_bdf_devs = mlx5_glue->get_device_list(&ret);
990 orig_devx_bdf_devs = devx_bdf_devs;
991 if (!devx_bdf_devs) {
992 rte_errno = errno ? errno : ENOSYS;
993 DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
997 * First scan the list of all Infiniband devices to find
998 * matching ones, gathering into the list.
1000 struct devx_device_bdf *devx_bdf_match[ret + 1];
1003 err = mlx5_match_devx_devices_to_addr(devx_bdf_devs,
1013 devx_bdf_match[nd++] = devx_bdf_devs;
1015 devx_bdf_match[nd] = NULL;
1017 /* No device matches, just complain and bail out. */
1019 "no DevX device matches PCI device " PCI_PRI_FMT ","
1020 " is DevX Configured?",
1021 pci_dev->addr.domain, pci_dev->addr.bus,
1022 pci_dev->addr.devid, pci_dev->addr.function);
1028 * Now we can determine the maximal
1029 * amount of devices to be spawned.
1031 list = mlx5_malloc(MLX5_MEM_ZERO,
1032 sizeof(struct mlx5_dev_spawn_data),
1033 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
1035 DRV_LOG(ERR, "spawn data array allocation failure");
1040 memset(&list[ns].info, 0, sizeof(list[ns].info));
1041 list[ns].max_port = 1;
1042 list[ns].phys_port = 1;
1043 list[ns].phys_dev = devx_bdf_match[ns];
1044 list[ns].eth_dev = NULL;
1045 list[ns].pci_dev = pci_dev;
1046 list[ns].pf_bond = bd;
1047 list[ns].ifindex = -1; /* Spawn will assign */
1049 (struct mlx5_switch_info){
1052 .name_type = MLX5_PHYS_PORT_NAME_TYPE_UPLINK,
1056 /* Device specific configuration. */
1057 switch (pci_dev->id.device_id) {
1058 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
1059 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
1060 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
1061 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
1062 case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
1063 case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
1064 case PCI_DEVICE_ID_MELLANOX_CONNECTXVF:
1071 /* Default configuration. */
1072 memset(&dev_config, 0, sizeof(struct mlx5_dev_config));
1073 dev_config.vf = dev_config_vf;
1075 dev_config.dbnc = MLX5_ARG_UNSET;
1076 dev_config.rx_vec_en = 1;
1077 dev_config.txq_inline_max = MLX5_ARG_UNSET;
1078 dev_config.txq_inline_min = MLX5_ARG_UNSET;
1079 dev_config.txq_inline_mpw = MLX5_ARG_UNSET;
1080 dev_config.txqs_inline = MLX5_ARG_UNSET;
1081 dev_config.vf_nl_en = 0;
1082 dev_config.mr_ext_memseg_en = 1;
1083 dev_config.mprq.max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN;
1084 dev_config.mprq.min_rxqs_num = MLX5_MPRQ_MIN_RXQS;
1085 dev_config.dv_esw_en = 0;
1086 dev_config.dv_flow_en = 1;
1087 dev_config.decap_en = 0;
1088 dev_config.log_hp_size = MLX5_ARG_UNSET;
1089 list[ns].eth_dev = mlx5_dev_spawn(&pci_dev->device,
1092 if (!list[ns].eth_dev)
1094 restore = list[ns].eth_dev->data->dev_flags;
1095 rte_eth_copy_pci_info(list[ns].eth_dev, pci_dev);
1096 /* Restore non-PCI flags cleared by the above call. */
1097 list[ns].eth_dev->data->dev_flags |= restore;
1098 rte_eth_dev_probing_finish(list[ns].eth_dev);
1102 * Do the routine cleanup:
1103 * - free allocated spawn data array
1104 * - free the device list
1108 MLX5_ASSERT(orig_devx_bdf_devs);
1109 mlx5_glue->free_device_list(orig_devx_bdf_devs);
1114 * Set the reg_mr and dereg_mr call backs
1116 * @param reg_mr_cb[out]
1117 * Pointer to reg_mr func
1118 * @param dereg_mr_cb[out]
1119 * Pointer to dereg_mr func
1123 mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb,
1124 mlx5_dereg_mr_t *dereg_mr_cb)
1126 *reg_mr_cb = mlx5_os_reg_mr;
1127 *dereg_mr_cb = mlx5_os_dereg_mr;
1131 * Extract pdn of PD object using DevX
1134 * Pointer to the DevX PD object.
1136 * Pointer to the PD object number variable.
1139 * 0 on success, error value otherwise.
1142 mlx5_os_get_pdn(void *pd, uint32_t *pdn)
1147 *pdn = ((struct mlx5_pd *)pd)->pdn;
1151 const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops = {0};