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34 #include <sys/queue.h>
43 #include <rte_byteorder.h>
44 #include <rte_common.h>
45 #include <rte_cycles.h>
47 #include <rte_interrupts.h>
49 #include <rte_debug.h>
51 #include <rte_atomic.h>
52 #include <rte_branch_prediction.h>
53 #include <rte_memory.h>
54 #include <rte_memzone.h>
56 #include <rte_alarm.h>
57 #include <rte_ether.h>
58 #include <rte_ethdev.h>
59 #include <rte_atomic.h>
60 #include <rte_string_fns.h>
61 #include <rte_malloc.h>
64 #include "base/vmxnet3_defs.h"
66 #include "vmxnet3_ring.h"
67 #include "vmxnet3_logs.h"
68 #include "vmxnet3_ethdev.h"
70 #define PROCESS_SYS_EVENTS 0
72 #define VMXNET3_TX_MAX_SEG UINT8_MAX
74 static int eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev);
75 static int eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev);
76 static int vmxnet3_dev_configure(struct rte_eth_dev *dev);
77 static int vmxnet3_dev_start(struct rte_eth_dev *dev);
78 static void vmxnet3_dev_stop(struct rte_eth_dev *dev);
79 static void vmxnet3_dev_close(struct rte_eth_dev *dev);
80 static void vmxnet3_dev_set_rxmode(struct vmxnet3_hw *hw, uint32_t feature, int set);
81 static void vmxnet3_dev_promiscuous_enable(struct rte_eth_dev *dev);
82 static void vmxnet3_dev_promiscuous_disable(struct rte_eth_dev *dev);
83 static void vmxnet3_dev_allmulticast_enable(struct rte_eth_dev *dev);
84 static void vmxnet3_dev_allmulticast_disable(struct rte_eth_dev *dev);
85 static int vmxnet3_dev_link_update(struct rte_eth_dev *dev,
86 int wait_to_complete);
87 static void vmxnet3_dev_stats_get(struct rte_eth_dev *dev,
88 struct rte_eth_stats *stats);
89 static void vmxnet3_dev_info_get(struct rte_eth_dev *dev,
90 struct rte_eth_dev_info *dev_info);
91 static const uint32_t *
92 vmxnet3_dev_supported_ptypes_get(struct rte_eth_dev *dev);
93 static int vmxnet3_dev_vlan_filter_set(struct rte_eth_dev *dev,
94 uint16_t vid, int on);
95 static void vmxnet3_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
96 static void vmxnet3_mac_addr_set(struct rte_eth_dev *dev,
97 struct ether_addr *mac_addr);
99 #if PROCESS_SYS_EVENTS == 1
100 static void vmxnet3_process_events(struct vmxnet3_hw *);
103 * The set of PCI devices this driver supports
105 #define VMWARE_PCI_VENDOR_ID 0x15AD
106 #define VMWARE_DEV_ID_VMXNET3 0x07B0
107 static const struct rte_pci_id pci_id_vmxnet3_map[] = {
108 { RTE_PCI_DEVICE(VMWARE_PCI_VENDOR_ID, VMWARE_DEV_ID_VMXNET3) },
109 { .vendor_id = 0, /* sentinel */ },
112 static const struct eth_dev_ops vmxnet3_eth_dev_ops = {
113 .dev_configure = vmxnet3_dev_configure,
114 .dev_start = vmxnet3_dev_start,
115 .dev_stop = vmxnet3_dev_stop,
116 .dev_close = vmxnet3_dev_close,
117 .promiscuous_enable = vmxnet3_dev_promiscuous_enable,
118 .promiscuous_disable = vmxnet3_dev_promiscuous_disable,
119 .allmulticast_enable = vmxnet3_dev_allmulticast_enable,
120 .allmulticast_disable = vmxnet3_dev_allmulticast_disable,
121 .link_update = vmxnet3_dev_link_update,
122 .stats_get = vmxnet3_dev_stats_get,
123 .mac_addr_set = vmxnet3_mac_addr_set,
124 .dev_infos_get = vmxnet3_dev_info_get,
125 .dev_supported_ptypes_get = vmxnet3_dev_supported_ptypes_get,
126 .vlan_filter_set = vmxnet3_dev_vlan_filter_set,
127 .vlan_offload_set = vmxnet3_dev_vlan_offload_set,
128 .rx_queue_setup = vmxnet3_dev_rx_queue_setup,
129 .rx_queue_release = vmxnet3_dev_rx_queue_release,
130 .tx_queue_setup = vmxnet3_dev_tx_queue_setup,
131 .tx_queue_release = vmxnet3_dev_tx_queue_release,
134 static const struct rte_memzone *
135 gpa_zone_reserve(struct rte_eth_dev *dev, uint32_t size,
136 const char *post_string, int socket_id,
137 uint16_t align, bool reuse)
139 char z_name[RTE_MEMZONE_NAMESIZE];
140 const struct rte_memzone *mz;
142 snprintf(z_name, sizeof(z_name), "%s_%d_%s",
143 dev->data->drv_name, dev->data->port_id, post_string);
145 mz = rte_memzone_lookup(z_name);
148 rte_memzone_free(mz);
149 return rte_memzone_reserve_aligned(z_name, size, socket_id,
156 return rte_memzone_reserve_aligned(z_name, size, socket_id, 0, align);
160 * Atomically reads the link status information from global
161 * structure rte_eth_dev.
164 * - Pointer to the structure rte_eth_dev to read from.
165 * - Pointer to the buffer to be saved with the link status.
168 * - On success, zero.
169 * - On failure, negative value.
173 vmxnet3_dev_atomic_read_link_status(struct rte_eth_dev *dev,
174 struct rte_eth_link *link)
176 struct rte_eth_link *dst = link;
177 struct rte_eth_link *src = &(dev->data->dev_link);
179 if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
180 *(uint64_t *)src) == 0)
187 * Atomically writes the link status information into global
188 * structure rte_eth_dev.
191 * - Pointer to the structure rte_eth_dev to write to.
192 * - Pointer to the buffer to be saved with the link status.
195 * - On success, zero.
196 * - On failure, negative value.
199 vmxnet3_dev_atomic_write_link_status(struct rte_eth_dev *dev,
200 struct rte_eth_link *link)
202 struct rte_eth_link *dst = &(dev->data->dev_link);
203 struct rte_eth_link *src = link;
205 if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
206 *(uint64_t *)src) == 0)
213 * This function is based on vmxnet3_disable_intr()
216 vmxnet3_disable_intr(struct vmxnet3_hw *hw)
220 PMD_INIT_FUNC_TRACE();
222 hw->shared->devRead.intrConf.intrCtrl |= VMXNET3_IC_DISABLE_ALL;
223 for (i = 0; i < VMXNET3_MAX_INTRS; i++)
224 VMXNET3_WRITE_BAR0_REG(hw, VMXNET3_REG_IMR + i * 8, 1);
228 * Gets tx data ring descriptor size.
231 eth_vmxnet3_txdata_get(struct vmxnet3_hw *hw)
233 uint16 txdata_desc_size;
235 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
236 VMXNET3_CMD_GET_TXDATA_DESC_SIZE);
237 txdata_desc_size = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
239 return (txdata_desc_size < VMXNET3_TXDATA_DESC_MIN_SIZE ||
240 txdata_desc_size > VMXNET3_TXDATA_DESC_MAX_SIZE ||
241 txdata_desc_size & VMXNET3_TXDATA_DESC_SIZE_MASK) ?
242 sizeof(struct Vmxnet3_TxDataDesc) : txdata_desc_size;
246 * It returns 0 on success.
249 eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev)
251 struct rte_pci_device *pci_dev;
252 struct vmxnet3_hw *hw = eth_dev->data->dev_private;
253 uint32_t mac_hi, mac_lo, ver;
255 PMD_INIT_FUNC_TRACE();
257 eth_dev->dev_ops = &vmxnet3_eth_dev_ops;
258 eth_dev->rx_pkt_burst = &vmxnet3_recv_pkts;
259 eth_dev->tx_pkt_burst = &vmxnet3_xmit_pkts;
260 eth_dev->tx_pkt_prepare = vmxnet3_prep_pkts;
261 pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
264 * for secondary processes, we don't initialize any further as primary
265 * has already done this work.
267 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
270 rte_eth_copy_pci_info(eth_dev, pci_dev);
271 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
273 /* Vendor and Device ID need to be set before init of shared code */
274 hw->device_id = pci_dev->id.device_id;
275 hw->vendor_id = pci_dev->id.vendor_id;
276 hw->hw_addr0 = (void *)pci_dev->mem_resource[0].addr;
277 hw->hw_addr1 = (void *)pci_dev->mem_resource[1].addr;
279 hw->num_rx_queues = 1;
280 hw->num_tx_queues = 1;
281 hw->bufs_per_pkt = 1;
283 /* Check h/w version compatibility with driver. */
284 ver = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_VRRS);
285 PMD_INIT_LOG(DEBUG, "Hardware version : %d", ver);
287 if (ver & (1 << VMXNET3_REV_2)) {
288 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS,
290 hw->version = VMXNET3_REV_2 + 1;
291 } else if (ver & (1 << VMXNET3_REV_1)) {
292 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_VRRS,
294 hw->version = VMXNET3_REV_1 + 1;
296 PMD_INIT_LOG(ERR, "Incompatible hardware version: %d", ver);
300 PMD_INIT_LOG(DEBUG, "Using device version %d\n", hw->version);
302 /* Check UPT version compatibility with driver. */
303 ver = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_UVRS);
304 PMD_INIT_LOG(DEBUG, "UPT hardware version : %d", ver);
306 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_UVRS, 1);
308 PMD_INIT_LOG(ERR, "Incompatible UPT version.");
312 /* Getting MAC Address */
313 mac_lo = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_MACL);
314 mac_hi = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_MACH);
315 memcpy(hw->perm_addr, &mac_lo, 4);
316 memcpy(hw->perm_addr + 4, &mac_hi, 2);
318 /* Allocate memory for storing MAC addresses */
319 eth_dev->data->mac_addrs = rte_zmalloc("vmxnet3", ETHER_ADDR_LEN *
320 VMXNET3_MAX_MAC_ADDRS, 0);
321 if (eth_dev->data->mac_addrs == NULL) {
323 "Failed to allocate %d bytes needed to store MAC addresses",
324 ETHER_ADDR_LEN * VMXNET3_MAX_MAC_ADDRS);
327 /* Copy the permanent MAC address */
328 ether_addr_copy((struct ether_addr *) hw->perm_addr,
329 ð_dev->data->mac_addrs[0]);
331 PMD_INIT_LOG(DEBUG, "MAC Address : %02x:%02x:%02x:%02x:%02x:%02x",
332 hw->perm_addr[0], hw->perm_addr[1], hw->perm_addr[2],
333 hw->perm_addr[3], hw->perm_addr[4], hw->perm_addr[5]);
335 /* Put device in Quiesce Mode */
336 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV);
338 /* allow untagged pkts */
339 VMXNET3_SET_VFTABLE_ENTRY(hw->shadow_vfta, 0);
341 hw->txdata_desc_size = VMXNET3_VERSION_GE_3(hw) ?
342 eth_vmxnet3_txdata_get(hw) : sizeof(struct Vmxnet3_TxDataDesc);
344 hw->rxdata_desc_size = VMXNET3_VERSION_GE_3(hw) ?
345 VMXNET3_DEF_RXDATA_DESC_SIZE : 0;
346 RTE_ASSERT((hw->rxdata_desc_size & ~VMXNET3_RXDATA_DESC_SIZE_MASK) ==
347 hw->rxdata_desc_size);
353 eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev)
355 struct vmxnet3_hw *hw = eth_dev->data->dev_private;
357 PMD_INIT_FUNC_TRACE();
359 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
362 if (hw->adapter_stopped == 0)
363 vmxnet3_dev_close(eth_dev);
365 eth_dev->dev_ops = NULL;
366 eth_dev->rx_pkt_burst = NULL;
367 eth_dev->tx_pkt_burst = NULL;
368 eth_dev->tx_pkt_prepare = NULL;
370 rte_free(eth_dev->data->mac_addrs);
371 eth_dev->data->mac_addrs = NULL;
376 static struct eth_driver rte_vmxnet3_pmd = {
378 .id_table = pci_id_vmxnet3_map,
379 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
380 .probe = rte_eth_dev_pci_probe,
381 .remove = rte_eth_dev_pci_remove,
383 .eth_dev_init = eth_vmxnet3_dev_init,
384 .eth_dev_uninit = eth_vmxnet3_dev_uninit,
385 .dev_private_size = sizeof(struct vmxnet3_hw),
389 vmxnet3_dev_configure(struct rte_eth_dev *dev)
391 const struct rte_memzone *mz;
392 struct vmxnet3_hw *hw = dev->data->dev_private;
395 PMD_INIT_FUNC_TRACE();
397 if (dev->data->nb_tx_queues > VMXNET3_MAX_TX_QUEUES ||
398 dev->data->nb_rx_queues > VMXNET3_MAX_RX_QUEUES) {
399 PMD_INIT_LOG(ERR, "ERROR: Number of queues not supported");
403 if (!rte_is_power_of_2(dev->data->nb_rx_queues)) {
404 PMD_INIT_LOG(ERR, "ERROR: Number of rx queues not power of 2");
408 size = dev->data->nb_rx_queues * sizeof(struct Vmxnet3_TxQueueDesc) +
409 dev->data->nb_tx_queues * sizeof(struct Vmxnet3_RxQueueDesc);
411 if (size > UINT16_MAX)
414 hw->num_rx_queues = (uint8_t)dev->data->nb_rx_queues;
415 hw->num_tx_queues = (uint8_t)dev->data->nb_tx_queues;
418 * Allocate a memzone for Vmxnet3_DriverShared - Vmxnet3_DSDevRead
421 mz = gpa_zone_reserve(dev, sizeof(struct Vmxnet3_DriverShared),
422 "shared", rte_socket_id(), 8, 1);
425 PMD_INIT_LOG(ERR, "ERROR: Creating shared zone");
428 memset(mz->addr, 0, mz->len);
430 hw->shared = mz->addr;
431 hw->sharedPA = mz->phys_addr;
434 * Allocate a memzone for Vmxnet3_RxQueueDesc - Vmxnet3_TxQueueDesc
437 * We cannot reuse this memzone from previous allocation as its size
438 * depends on the number of tx and rx queues, which could be different
439 * from one config to another.
441 mz = gpa_zone_reserve(dev, size, "queuedesc", rte_socket_id(),
442 VMXNET3_QUEUE_DESC_ALIGN, 0);
444 PMD_INIT_LOG(ERR, "ERROR: Creating queue descriptors zone");
447 memset(mz->addr, 0, mz->len);
449 hw->tqd_start = (Vmxnet3_TxQueueDesc *)mz->addr;
450 hw->rqd_start = (Vmxnet3_RxQueueDesc *)(hw->tqd_start + hw->num_tx_queues);
452 hw->queueDescPA = mz->phys_addr;
453 hw->queue_desc_len = (uint16_t)size;
455 if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) {
456 /* Allocate memory structure for UPT1_RSSConf and configure */
457 mz = gpa_zone_reserve(dev, sizeof(struct VMXNET3_RSSConf),
458 "rss_conf", rte_socket_id(),
459 RTE_CACHE_LINE_SIZE, 1);
462 "ERROR: Creating rss_conf structure zone");
465 memset(mz->addr, 0, mz->len);
467 hw->rss_conf = mz->addr;
468 hw->rss_confPA = mz->phys_addr;
475 vmxnet3_write_mac(struct vmxnet3_hw *hw, const uint8_t *addr)
480 "Writing MAC Address : %02x:%02x:%02x:%02x:%02x:%02x",
481 addr[0], addr[1], addr[2],
482 addr[3], addr[4], addr[5]);
484 val = *(const uint32_t *)addr;
485 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_MACL, val);
487 val = (addr[5] << 8) | addr[4];
488 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_MACH, val);
492 vmxnet3_setup_driver_shared(struct rte_eth_dev *dev)
494 struct rte_eth_conf port_conf = dev->data->dev_conf;
495 struct vmxnet3_hw *hw = dev->data->dev_private;
496 uint32_t mtu = dev->data->mtu;
497 Vmxnet3_DriverShared *shared = hw->shared;
498 Vmxnet3_DSDevRead *devRead = &shared->devRead;
502 shared->magic = VMXNET3_REV1_MAGIC;
503 devRead->misc.driverInfo.version = VMXNET3_DRIVER_VERSION_NUM;
505 /* Setting up Guest OS information */
506 devRead->misc.driverInfo.gos.gosBits = sizeof(void *) == 4 ?
507 VMXNET3_GOS_BITS_32 : VMXNET3_GOS_BITS_64;
508 devRead->misc.driverInfo.gos.gosType = VMXNET3_GOS_TYPE_LINUX;
509 devRead->misc.driverInfo.vmxnet3RevSpt = 1;
510 devRead->misc.driverInfo.uptVerSpt = 1;
512 devRead->misc.mtu = rte_le_to_cpu_32(mtu);
513 devRead->misc.queueDescPA = hw->queueDescPA;
514 devRead->misc.queueDescLen = hw->queue_desc_len;
515 devRead->misc.numTxQueues = hw->num_tx_queues;
516 devRead->misc.numRxQueues = hw->num_rx_queues;
519 * Set number of interrupts to 1
520 * PMD disables all the interrupts but this is MUST to activate device
521 * It needs at least one interrupt for link events to handle
522 * So we'll disable it later after device activation if needed
524 devRead->intrConf.numIntrs = 1;
525 devRead->intrConf.intrCtrl |= VMXNET3_IC_DISABLE_ALL;
527 for (i = 0; i < hw->num_tx_queues; i++) {
528 Vmxnet3_TxQueueDesc *tqd = &hw->tqd_start[i];
529 vmxnet3_tx_queue_t *txq = dev->data->tx_queues[i];
531 tqd->ctrl.txNumDeferred = 0;
532 tqd->ctrl.txThreshold = 1;
533 tqd->conf.txRingBasePA = txq->cmd_ring.basePA;
534 tqd->conf.compRingBasePA = txq->comp_ring.basePA;
535 tqd->conf.dataRingBasePA = txq->data_ring.basePA;
537 tqd->conf.txRingSize = txq->cmd_ring.size;
538 tqd->conf.compRingSize = txq->comp_ring.size;
539 tqd->conf.dataRingSize = txq->data_ring.size;
540 tqd->conf.txDataRingDescSize = txq->txdata_desc_size;
541 tqd->conf.intrIdx = txq->comp_ring.intr_idx;
542 tqd->status.stopped = TRUE;
543 tqd->status.error = 0;
544 memset(&tqd->stats, 0, sizeof(tqd->stats));
547 for (i = 0; i < hw->num_rx_queues; i++) {
548 Vmxnet3_RxQueueDesc *rqd = &hw->rqd_start[i];
549 vmxnet3_rx_queue_t *rxq = dev->data->rx_queues[i];
551 rqd->conf.rxRingBasePA[0] = rxq->cmd_ring[0].basePA;
552 rqd->conf.rxRingBasePA[1] = rxq->cmd_ring[1].basePA;
553 rqd->conf.compRingBasePA = rxq->comp_ring.basePA;
555 rqd->conf.rxRingSize[0] = rxq->cmd_ring[0].size;
556 rqd->conf.rxRingSize[1] = rxq->cmd_ring[1].size;
557 rqd->conf.compRingSize = rxq->comp_ring.size;
558 rqd->conf.intrIdx = rxq->comp_ring.intr_idx;
559 if (VMXNET3_VERSION_GE_3(hw)) {
560 rqd->conf.rxDataRingBasePA = rxq->data_ring.basePA;
561 rqd->conf.rxDataRingDescSize = rxq->data_desc_size;
563 rqd->status.stopped = TRUE;
564 rqd->status.error = 0;
565 memset(&rqd->stats, 0, sizeof(rqd->stats));
568 /* RxMode set to 0 of VMXNET3_RXM_xxx */
569 devRead->rxFilterConf.rxMode = 0;
571 /* Setting up feature flags */
572 if (dev->data->dev_conf.rxmode.hw_ip_checksum)
573 devRead->misc.uptFeatures |= VMXNET3_F_RXCSUM;
575 if (dev->data->dev_conf.rxmode.enable_lro) {
576 devRead->misc.uptFeatures |= VMXNET3_F_LRO;
577 devRead->misc.maxNumRxSG = 0;
580 if (port_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) {
581 ret = vmxnet3_rss_configure(dev);
582 if (ret != VMXNET3_SUCCESS)
585 devRead->misc.uptFeatures |= VMXNET3_F_RSS;
586 devRead->rssConfDesc.confVer = 1;
587 devRead->rssConfDesc.confLen = sizeof(struct VMXNET3_RSSConf);
588 devRead->rssConfDesc.confPA = hw->rss_confPA;
591 vmxnet3_dev_vlan_offload_set(dev,
592 ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK);
594 vmxnet3_write_mac(hw, hw->perm_addr);
596 return VMXNET3_SUCCESS;
600 * Configure device link speed and setup link.
601 * Must be called after eth_vmxnet3_dev_init. Other wise it might fail
602 * It returns 0 on success.
605 vmxnet3_dev_start(struct rte_eth_dev *dev)
608 struct vmxnet3_hw *hw = dev->data->dev_private;
610 PMD_INIT_FUNC_TRACE();
612 ret = vmxnet3_setup_driver_shared(dev);
613 if (ret != VMXNET3_SUCCESS)
616 /* Exchange shared data with device */
617 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_DSAL,
618 VMXNET3_GET_ADDR_LO(hw->sharedPA));
619 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_DSAH,
620 VMXNET3_GET_ADDR_HI(hw->sharedPA));
622 /* Activate device by register write */
623 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_ACTIVATE_DEV);
624 ret = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
627 PMD_INIT_LOG(ERR, "Device activation: UNSUCCESSFUL");
631 /* Disable interrupts */
632 vmxnet3_disable_intr(hw);
635 * Load RX queues with blank mbufs and update next2fill index for device
636 * Update RxMode of the device
638 ret = vmxnet3_dev_rxtx_init(dev);
639 if (ret != VMXNET3_SUCCESS) {
640 PMD_INIT_LOG(ERR, "Device queue init: UNSUCCESSFUL");
644 /* Setting proper Rx Mode and issue Rx Mode Update command */
645 vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_UCAST | VMXNET3_RXM_BCAST, 1);
648 * Don't need to handle events for now
650 #if PROCESS_SYS_EVENTS == 1
651 events = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_ECR);
652 PMD_INIT_LOG(DEBUG, "Reading events: 0x%X", events);
653 vmxnet3_process_events(hw);
655 return VMXNET3_SUCCESS;
659 * Stop device: disable rx and tx functions to allow for reconfiguring.
662 vmxnet3_dev_stop(struct rte_eth_dev *dev)
664 struct rte_eth_link link;
665 struct vmxnet3_hw *hw = dev->data->dev_private;
667 PMD_INIT_FUNC_TRACE();
669 if (hw->adapter_stopped == 1) {
670 PMD_INIT_LOG(DEBUG, "Device already closed.");
674 /* disable interrupts */
675 vmxnet3_disable_intr(hw);
677 /* quiesce the device first */
678 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV);
679 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_DSAL, 0);
680 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_DSAH, 0);
682 /* reset the device */
683 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_RESET_DEV);
684 PMD_INIT_LOG(DEBUG, "Device reset.");
685 hw->adapter_stopped = 0;
687 vmxnet3_dev_clear_queues(dev);
689 /* Clear recorded link status */
690 memset(&link, 0, sizeof(link));
691 vmxnet3_dev_atomic_write_link_status(dev, &link);
695 * Reset and stop device.
698 vmxnet3_dev_close(struct rte_eth_dev *dev)
700 struct vmxnet3_hw *hw = dev->data->dev_private;
702 PMD_INIT_FUNC_TRACE();
704 vmxnet3_dev_stop(dev);
705 hw->adapter_stopped = 1;
709 vmxnet3_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
712 struct vmxnet3_hw *hw = dev->data->dev_private;
714 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
716 RTE_BUILD_BUG_ON(RTE_ETHDEV_QUEUE_STAT_CNTRS < VMXNET3_MAX_TX_QUEUES);
717 for (i = 0; i < hw->num_tx_queues; i++) {
718 struct UPT1_TxStats *txStats = &hw->tqd_start[i].stats;
720 stats->q_opackets[i] = txStats->ucastPktsTxOK +
721 txStats->mcastPktsTxOK +
722 txStats->bcastPktsTxOK;
723 stats->q_obytes[i] = txStats->ucastBytesTxOK +
724 txStats->mcastBytesTxOK +
725 txStats->bcastBytesTxOK;
727 stats->opackets += stats->q_opackets[i];
728 stats->obytes += stats->q_obytes[i];
729 stats->oerrors += txStats->pktsTxError + txStats->pktsTxDiscard;
732 RTE_BUILD_BUG_ON(RTE_ETHDEV_QUEUE_STAT_CNTRS < VMXNET3_MAX_RX_QUEUES);
733 for (i = 0; i < hw->num_rx_queues; i++) {
734 struct UPT1_RxStats *rxStats = &hw->rqd_start[i].stats;
736 stats->q_ipackets[i] = rxStats->ucastPktsRxOK +
737 rxStats->mcastPktsRxOK +
738 rxStats->bcastPktsRxOK;
740 stats->q_ibytes[i] = rxStats->ucastBytesRxOK +
741 rxStats->mcastBytesRxOK +
742 rxStats->bcastBytesRxOK;
744 stats->ipackets += stats->q_ipackets[i];
745 stats->ibytes += stats->q_ibytes[i];
747 stats->q_errors[i] = rxStats->pktsRxError;
748 stats->ierrors += rxStats->pktsRxError;
749 stats->rx_nombuf += rxStats->pktsRxOutOfBuf;
754 vmxnet3_dev_info_get(struct rte_eth_dev *dev,
755 struct rte_eth_dev_info *dev_info)
757 dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
759 dev_info->max_rx_queues = VMXNET3_MAX_RX_QUEUES;
760 dev_info->max_tx_queues = VMXNET3_MAX_TX_QUEUES;
761 dev_info->min_rx_bufsize = 1518 + RTE_PKTMBUF_HEADROOM;
762 dev_info->max_rx_pktlen = 16384; /* includes CRC, cf MAXFRS register */
763 dev_info->speed_capa = ETH_LINK_SPEED_10G;
764 dev_info->max_mac_addrs = VMXNET3_MAX_MAC_ADDRS;
766 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
767 dev_info->flow_type_rss_offloads = VMXNET3_RSS_OFFLOAD_ALL;
769 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
770 .nb_max = VMXNET3_RX_RING_MAX_SIZE,
771 .nb_min = VMXNET3_DEF_RX_RING_SIZE,
775 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
776 .nb_max = VMXNET3_TX_RING_MAX_SIZE,
777 .nb_min = VMXNET3_DEF_TX_RING_SIZE,
779 .nb_seg_max = VMXNET3_TX_MAX_SEG,
780 .nb_mtu_seg_max = VMXNET3_MAX_TXD_PER_PKT,
783 dev_info->rx_offload_capa =
784 DEV_RX_OFFLOAD_VLAN_STRIP |
785 DEV_RX_OFFLOAD_UDP_CKSUM |
786 DEV_RX_OFFLOAD_TCP_CKSUM |
787 DEV_RX_OFFLOAD_TCP_LRO;
789 dev_info->tx_offload_capa =
790 DEV_TX_OFFLOAD_VLAN_INSERT |
791 DEV_TX_OFFLOAD_TCP_CKSUM |
792 DEV_TX_OFFLOAD_UDP_CKSUM |
793 DEV_TX_OFFLOAD_TCP_TSO;
796 static const uint32_t *
797 vmxnet3_dev_supported_ptypes_get(struct rte_eth_dev *dev)
799 static const uint32_t ptypes[] = {
800 RTE_PTYPE_L3_IPV4_EXT,
805 if (dev->rx_pkt_burst == vmxnet3_recv_pkts)
811 vmxnet3_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
813 struct vmxnet3_hw *hw = dev->data->dev_private;
815 vmxnet3_write_mac(hw, mac_addr->addr_bytes);
818 /* return 0 means link status changed, -1 means not changed */
820 vmxnet3_dev_link_update(struct rte_eth_dev *dev,
821 __rte_unused int wait_to_complete)
823 struct vmxnet3_hw *hw = dev->data->dev_private;
824 struct rte_eth_link old, link;
827 /* Link status doesn't change for stopped dev */
828 if (dev->data->dev_started == 0)
831 memset(&link, 0, sizeof(link));
832 vmxnet3_dev_atomic_read_link_status(dev, &old);
834 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK);
835 ret = VMXNET3_READ_BAR1_REG(hw, VMXNET3_REG_CMD);
838 link.link_status = ETH_LINK_UP;
839 link.link_duplex = ETH_LINK_FULL_DUPLEX;
840 link.link_speed = ETH_SPEED_NUM_10G;
841 link.link_autoneg = ETH_LINK_SPEED_FIXED;
844 vmxnet3_dev_atomic_write_link_status(dev, &link);
846 return (old.link_status == link.link_status) ? -1 : 0;
849 /* Updating rxmode through Vmxnet3_DriverShared structure in adapter */
851 vmxnet3_dev_set_rxmode(struct vmxnet3_hw *hw, uint32_t feature, int set)
853 struct Vmxnet3_RxFilterConf *rxConf = &hw->shared->devRead.rxFilterConf;
856 rxConf->rxMode = rxConf->rxMode | feature;
858 rxConf->rxMode = rxConf->rxMode & (~feature);
860 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD, VMXNET3_CMD_UPDATE_RX_MODE);
863 /* Promiscuous supported only if Vmxnet3_DriverShared is initialized in adapter */
865 vmxnet3_dev_promiscuous_enable(struct rte_eth_dev *dev)
867 struct vmxnet3_hw *hw = dev->data->dev_private;
868 uint32_t *vf_table = hw->shared->devRead.rxFilterConf.vfTable;
870 memset(vf_table, 0, VMXNET3_VFT_TABLE_SIZE);
871 vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_PROMISC, 1);
873 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
874 VMXNET3_CMD_UPDATE_VLAN_FILTERS);
877 /* Promiscuous supported only if Vmxnet3_DriverShared is initialized in adapter */
879 vmxnet3_dev_promiscuous_disable(struct rte_eth_dev *dev)
881 struct vmxnet3_hw *hw = dev->data->dev_private;
882 uint32_t *vf_table = hw->shared->devRead.rxFilterConf.vfTable;
884 memcpy(vf_table, hw->shadow_vfta, VMXNET3_VFT_TABLE_SIZE);
885 vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_PROMISC, 0);
886 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
887 VMXNET3_CMD_UPDATE_VLAN_FILTERS);
890 /* Allmulticast supported only if Vmxnet3_DriverShared is initialized in adapter */
892 vmxnet3_dev_allmulticast_enable(struct rte_eth_dev *dev)
894 struct vmxnet3_hw *hw = dev->data->dev_private;
896 vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_ALL_MULTI, 1);
899 /* Allmulticast supported only if Vmxnet3_DriverShared is initialized in adapter */
901 vmxnet3_dev_allmulticast_disable(struct rte_eth_dev *dev)
903 struct vmxnet3_hw *hw = dev->data->dev_private;
905 vmxnet3_dev_set_rxmode(hw, VMXNET3_RXM_ALL_MULTI, 0);
908 /* Enable/disable filter on vlan */
910 vmxnet3_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vid, int on)
912 struct vmxnet3_hw *hw = dev->data->dev_private;
913 struct Vmxnet3_RxFilterConf *rxConf = &hw->shared->devRead.rxFilterConf;
914 uint32_t *vf_table = rxConf->vfTable;
916 /* save state for restore */
918 VMXNET3_SET_VFTABLE_ENTRY(hw->shadow_vfta, vid);
920 VMXNET3_CLEAR_VFTABLE_ENTRY(hw->shadow_vfta, vid);
922 /* don't change active filter if in promiscuous mode */
923 if (rxConf->rxMode & VMXNET3_RXM_PROMISC)
926 /* set in hardware */
928 VMXNET3_SET_VFTABLE_ENTRY(vf_table, vid);
930 VMXNET3_CLEAR_VFTABLE_ENTRY(vf_table, vid);
932 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
933 VMXNET3_CMD_UPDATE_VLAN_FILTERS);
938 vmxnet3_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
940 struct vmxnet3_hw *hw = dev->data->dev_private;
941 Vmxnet3_DSDevRead *devRead = &hw->shared->devRead;
942 uint32_t *vf_table = devRead->rxFilterConf.vfTable;
944 if (mask & ETH_VLAN_STRIP_MASK) {
945 if (dev->data->dev_conf.rxmode.hw_vlan_strip)
946 devRead->misc.uptFeatures |= UPT1_F_RXVLAN;
948 devRead->misc.uptFeatures &= ~UPT1_F_RXVLAN;
950 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
951 VMXNET3_CMD_UPDATE_FEATURE);
954 if (mask & ETH_VLAN_FILTER_MASK) {
955 if (dev->data->dev_conf.rxmode.hw_vlan_filter)
956 memcpy(vf_table, hw->shadow_vfta, VMXNET3_VFT_TABLE_SIZE);
958 memset(vf_table, 0xff, VMXNET3_VFT_TABLE_SIZE);
960 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
961 VMXNET3_CMD_UPDATE_VLAN_FILTERS);
965 #if PROCESS_SYS_EVENTS == 1
967 vmxnet3_process_events(struct vmxnet3_hw *hw)
969 uint32_t events = hw->shared->ecr;
972 PMD_INIT_LOG(ERR, "No events to process");
977 * ECR bits when written with 1b are cleared. Hence write
978 * events back to ECR so that the bits which were set will be reset.
980 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_ECR, events);
982 /* Check if link state has changed */
983 if (events & VMXNET3_ECR_LINK)
985 "Process events in %s(): VMXNET3_ECR_LINK event",
988 /* Check if there is an error on xmit/recv queues */
989 if (events & (VMXNET3_ECR_TQERR | VMXNET3_ECR_RQERR)) {
990 VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
991 VMXNET3_CMD_GET_QUEUE_STATUS);
993 if (hw->tqd_start->status.stopped)
994 PMD_INIT_LOG(ERR, "tq error 0x%x",
995 hw->tqd_start->status.error);
997 if (hw->rqd_start->status.stopped)
998 PMD_INIT_LOG(ERR, "rq error 0x%x",
999 hw->rqd_start->status.error);
1001 /* Reset the device */
1002 /* Have to reset the device */
1005 if (events & VMXNET3_ECR_DIC)
1006 PMD_INIT_LOG(ERR, "Device implementation change event.");
1008 if (events & VMXNET3_ECR_DEBUG)
1009 PMD_INIT_LOG(ERR, "Debug event generated by device.");
1013 RTE_PMD_REGISTER_PCI(net_vmxnet3, rte_vmxnet3_pmd.pci_drv);
1014 RTE_PMD_REGISTER_PCI_TABLE(net_vmxnet3, pci_id_vmxnet3_map);
1015 RTE_PMD_REGISTER_KMOD_DEP(net_vmxnet3, "* igb_uio | uio_pci_generic | vfio");