1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016 Cavium, Inc
14 #include <netinet/in.h>
15 #include <sys/queue.h>
17 #include <rte_alarm.h>
18 #include <rte_branch_prediction.h>
19 #include <rte_byteorder.h>
20 #include <rte_common.h>
21 #include <rte_cycles.h>
22 #include <rte_debug.h>
25 #include <rte_ether.h>
26 #include <rte_ethdev_driver.h>
27 #include <rte_ethdev_pci.h>
28 #include <rte_interrupts.h>
30 #include <rte_memory.h>
31 #include <rte_memzone.h>
32 #include <rte_malloc.h>
33 #include <rte_random.h>
35 #include <rte_bus_pci.h>
36 #include <rte_tailq.h>
37 #include <rte_devargs.h>
38 #include <rte_kvargs.h>
40 #include "base/nicvf_plat.h"
42 #include "nicvf_ethdev.h"
43 #include "nicvf_rxtx.h"
44 #include "nicvf_svf.h"
45 #include "nicvf_logs.h"
47 int nicvf_logtype_mbox;
48 int nicvf_logtype_init;
49 int nicvf_logtype_driver;
51 static void nicvf_dev_stop(struct rte_eth_dev *dev);
52 static void nicvf_dev_stop_cleanup(struct rte_eth_dev *dev, bool cleanup);
53 static void nicvf_vf_stop(struct rte_eth_dev *dev, struct nicvf *nic,
55 static int nicvf_vlan_offload_config(struct rte_eth_dev *dev, int mask);
56 static int nicvf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
58 RTE_INIT(nicvf_init_log)
60 nicvf_logtype_mbox = rte_log_register("pmd.net.thunderx.mbox");
61 if (nicvf_logtype_mbox >= 0)
62 rte_log_set_level(nicvf_logtype_mbox, RTE_LOG_NOTICE);
64 nicvf_logtype_init = rte_log_register("pmd.net.thunderx.init");
65 if (nicvf_logtype_init >= 0)
66 rte_log_set_level(nicvf_logtype_init, RTE_LOG_NOTICE);
68 nicvf_logtype_driver = rte_log_register("pmd.net.thunderx.driver");
69 if (nicvf_logtype_driver >= 0)
70 rte_log_set_level(nicvf_logtype_driver, RTE_LOG_NOTICE);
74 nicvf_link_status_update(struct nicvf *nic,
75 struct rte_eth_link *link)
77 memset(link, 0, sizeof(*link));
79 link->link_status = nic->link_up ? ETH_LINK_UP : ETH_LINK_DOWN;
81 if (nic->duplex == NICVF_HALF_DUPLEX)
82 link->link_duplex = ETH_LINK_HALF_DUPLEX;
83 else if (nic->duplex == NICVF_FULL_DUPLEX)
84 link->link_duplex = ETH_LINK_FULL_DUPLEX;
85 link->link_speed = nic->speed;
86 link->link_autoneg = ETH_LINK_AUTONEG;
90 nicvf_interrupt(void *arg)
92 struct rte_eth_dev *dev = arg;
93 struct nicvf *nic = nicvf_pmd_priv(dev);
94 struct rte_eth_link link;
96 if (nicvf_reg_poll_interrupts(nic) == NIC_MBOX_MSG_BGX_LINK_CHANGE) {
97 if (dev->data->dev_conf.intr_conf.lsc) {
98 nicvf_link_status_update(nic, &link);
99 rte_eth_linkstatus_set(dev, &link);
101 _rte_eth_dev_callback_process(dev,
102 RTE_ETH_EVENT_INTR_LSC,
107 rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000,
108 nicvf_interrupt, dev);
112 nicvf_vf_interrupt(void *arg)
114 struct nicvf *nic = arg;
116 nicvf_reg_poll_interrupts(nic);
118 rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000,
119 nicvf_vf_interrupt, nic);
123 nicvf_periodic_alarm_start(void (fn)(void *), void *arg)
125 return rte_eal_alarm_set(NICVF_INTR_POLL_INTERVAL_MS * 1000, fn, arg);
129 nicvf_periodic_alarm_stop(void (fn)(void *), void *arg)
131 return rte_eal_alarm_cancel(fn, arg);
135 * Return 0 means link status changed, -1 means not changed
138 nicvf_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
140 #define CHECK_INTERVAL 100 /* 100ms */
141 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
142 struct rte_eth_link link;
143 struct nicvf *nic = nicvf_pmd_priv(dev);
146 PMD_INIT_FUNC_TRACE();
148 if (wait_to_complete) {
149 /* rte_eth_link_get() might need to wait up to 9 seconds */
150 for (i = 0; i < MAX_CHECK_TIME; i++) {
151 nicvf_link_status_update(nic, &link);
152 if (link.link_status == ETH_LINK_UP)
154 rte_delay_ms(CHECK_INTERVAL);
157 nicvf_link_status_update(nic, &link);
160 return rte_eth_linkstatus_set(dev, &link);
164 nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
166 struct nicvf *nic = nicvf_pmd_priv(dev);
167 uint32_t buffsz, frame_size = mtu + NIC_HW_L2_OVERHEAD;
169 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
171 PMD_INIT_FUNC_TRACE();
173 if (frame_size > NIC_HW_MAX_FRS)
176 if (frame_size < NIC_HW_MIN_FRS)
179 buffsz = dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
182 * Refuse mtu that requires the support of scattered packets
183 * when this feature has not been enabled before.
185 if (dev->data->dev_started && !dev->data->scattered_rx &&
186 (frame_size + 2 * VLAN_TAG_SIZE > buffsz))
189 /* check <seg size> * <max_seg> >= max_frame */
190 if (dev->data->scattered_rx &&
191 (frame_size + 2 * VLAN_TAG_SIZE > buffsz * NIC_HW_MAX_SEGS))
194 if (frame_size > RTE_ETHER_MAX_LEN)
195 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
197 rxmode->offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
199 if (nicvf_mbox_update_hw_max_frs(nic, mtu))
202 /* Update max_rx_pkt_len */
203 rxmode->max_rx_pkt_len = mtu + RTE_ETHER_HDR_LEN;
206 for (i = 0; i < nic->sqs_count; i++)
207 nic->snicvf[i]->mtu = mtu;
213 nicvf_dev_get_regs(struct rte_eth_dev *dev, struct rte_dev_reg_info *regs)
215 uint64_t *data = regs->data;
216 struct nicvf *nic = nicvf_pmd_priv(dev);
219 regs->length = nicvf_reg_get_count();
220 regs->width = THUNDERX_REG_BYTES;
224 /* Support only full register dump */
225 if ((regs->length == 0) ||
226 (regs->length == (uint32_t)nicvf_reg_get_count())) {
227 regs->version = nic->vendor_id << 16 | nic->device_id;
228 nicvf_reg_dump(nic, data);
235 nicvf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
238 struct nicvf_hw_rx_qstats rx_qstats;
239 struct nicvf_hw_tx_qstats tx_qstats;
240 struct nicvf_hw_stats port_stats;
241 struct nicvf *nic = nicvf_pmd_priv(dev);
242 uint16_t rx_start, rx_end;
243 uint16_t tx_start, tx_end;
246 /* RX queue indices for the first VF */
247 nicvf_rx_range(dev, nic, &rx_start, &rx_end);
249 /* Reading per RX ring stats */
250 for (qidx = rx_start; qidx <= rx_end; qidx++) {
251 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
254 nicvf_hw_get_rx_qstats(nic, &rx_qstats, qidx);
255 stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes;
256 stats->q_ipackets[qidx] = rx_qstats.q_rx_packets;
259 /* TX queue indices for the first VF */
260 nicvf_tx_range(dev, nic, &tx_start, &tx_end);
262 /* Reading per TX ring stats */
263 for (qidx = tx_start; qidx <= tx_end; qidx++) {
264 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
267 nicvf_hw_get_tx_qstats(nic, &tx_qstats, qidx);
268 stats->q_obytes[qidx] = tx_qstats.q_tx_bytes;
269 stats->q_opackets[qidx] = tx_qstats.q_tx_packets;
272 for (i = 0; i < nic->sqs_count; i++) {
273 struct nicvf *snic = nic->snicvf[i];
278 /* RX queue indices for a secondary VF */
279 nicvf_rx_range(dev, snic, &rx_start, &rx_end);
281 /* Reading per RX ring stats */
282 for (qidx = rx_start; qidx <= rx_end; qidx++) {
283 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
286 nicvf_hw_get_rx_qstats(snic, &rx_qstats,
287 qidx % MAX_RCV_QUEUES_PER_QS);
288 stats->q_ibytes[qidx] = rx_qstats.q_rx_bytes;
289 stats->q_ipackets[qidx] = rx_qstats.q_rx_packets;
292 /* TX queue indices for a secondary VF */
293 nicvf_tx_range(dev, snic, &tx_start, &tx_end);
294 /* Reading per TX ring stats */
295 for (qidx = tx_start; qidx <= tx_end; qidx++) {
296 if (qidx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
299 nicvf_hw_get_tx_qstats(snic, &tx_qstats,
300 qidx % MAX_SND_QUEUES_PER_QS);
301 stats->q_obytes[qidx] = tx_qstats.q_tx_bytes;
302 stats->q_opackets[qidx] = tx_qstats.q_tx_packets;
306 nicvf_hw_get_stats(nic, &port_stats);
307 stats->ibytes = port_stats.rx_bytes;
308 stats->ipackets = port_stats.rx_ucast_frames;
309 stats->ipackets += port_stats.rx_bcast_frames;
310 stats->ipackets += port_stats.rx_mcast_frames;
311 stats->ierrors = port_stats.rx_l2_errors;
312 stats->imissed = port_stats.rx_drop_red;
313 stats->imissed += port_stats.rx_drop_overrun;
314 stats->imissed += port_stats.rx_drop_bcast;
315 stats->imissed += port_stats.rx_drop_mcast;
316 stats->imissed += port_stats.rx_drop_l3_bcast;
317 stats->imissed += port_stats.rx_drop_l3_mcast;
319 stats->obytes = port_stats.tx_bytes_ok;
320 stats->opackets = port_stats.tx_ucast_frames_ok;
321 stats->opackets += port_stats.tx_bcast_frames_ok;
322 stats->opackets += port_stats.tx_mcast_frames_ok;
323 stats->oerrors = port_stats.tx_drops;
328 static const uint32_t *
329 nicvf_dev_supported_ptypes_get(struct rte_eth_dev *dev)
332 static uint32_t ptypes[32];
333 struct nicvf *nic = nicvf_pmd_priv(dev);
334 static const uint32_t ptypes_common[] = {
336 RTE_PTYPE_L3_IPV4_EXT,
338 RTE_PTYPE_L3_IPV6_EXT,
343 static const uint32_t ptypes_tunnel[] = {
344 RTE_PTYPE_TUNNEL_GRE,
345 RTE_PTYPE_TUNNEL_GENEVE,
346 RTE_PTYPE_TUNNEL_VXLAN,
347 RTE_PTYPE_TUNNEL_NVGRE,
349 static const uint32_t ptypes_end = RTE_PTYPE_UNKNOWN;
351 copied = sizeof(ptypes_common);
352 memcpy(ptypes, ptypes_common, copied);
353 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
354 memcpy((char *)ptypes + copied, ptypes_tunnel,
355 sizeof(ptypes_tunnel));
356 copied += sizeof(ptypes_tunnel);
359 memcpy((char *)ptypes + copied, &ptypes_end, sizeof(ptypes_end));
361 /* All Ptypes are supported in all Rx functions. */
366 nicvf_dev_stats_reset(struct rte_eth_dev *dev)
369 uint16_t rxqs = 0, txqs = 0;
370 struct nicvf *nic = nicvf_pmd_priv(dev);
371 uint16_t rx_start, rx_end;
372 uint16_t tx_start, tx_end;
375 /* Reset all primary nic counters */
376 nicvf_rx_range(dev, nic, &rx_start, &rx_end);
377 for (i = rx_start; i <= rx_end; i++)
378 rxqs |= (0x3 << (i * 2));
380 nicvf_tx_range(dev, nic, &tx_start, &tx_end);
381 for (i = tx_start; i <= tx_end; i++)
382 txqs |= (0x3 << (i * 2));
384 ret = nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, rxqs, txqs);
388 /* Reset secondary nic queue counters */
389 for (i = 0; i < nic->sqs_count; i++) {
390 struct nicvf *snic = nic->snicvf[i];
394 nicvf_rx_range(dev, snic, &rx_start, &rx_end);
395 for (i = rx_start; i <= rx_end; i++)
396 rxqs |= (0x3 << ((i % MAX_CMP_QUEUES_PER_QS) * 2));
398 nicvf_tx_range(dev, snic, &tx_start, &tx_end);
399 for (i = tx_start; i <= tx_end; i++)
400 txqs |= (0x3 << ((i % MAX_SND_QUEUES_PER_QS) * 2));
402 ret = nicvf_mbox_reset_stat_counters(snic, 0, 0, rxqs, txqs);
410 /* Promiscuous mode enabled by default in LMAC to VF 1:1 map configuration */
412 nicvf_dev_promisc_enable(struct rte_eth_dev *dev __rte_unused)
417 static inline uint64_t
418 nicvf_rss_ethdev_to_nic(struct nicvf *nic, uint64_t ethdev_rss)
420 uint64_t nic_rss = 0;
422 if (ethdev_rss & ETH_RSS_IPV4)
423 nic_rss |= RSS_IP_ENA;
425 if (ethdev_rss & ETH_RSS_IPV6)
426 nic_rss |= RSS_IP_ENA;
428 if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_UDP)
429 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA);
431 if (ethdev_rss & ETH_RSS_NONFRAG_IPV4_TCP)
432 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA);
434 if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_UDP)
435 nic_rss |= (RSS_IP_ENA | RSS_UDP_ENA);
437 if (ethdev_rss & ETH_RSS_NONFRAG_IPV6_TCP)
438 nic_rss |= (RSS_IP_ENA | RSS_TCP_ENA);
440 if (ethdev_rss & ETH_RSS_PORT)
441 nic_rss |= RSS_L2_EXTENDED_HASH_ENA;
443 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
444 if (ethdev_rss & ETH_RSS_VXLAN)
445 nic_rss |= RSS_TUN_VXLAN_ENA;
447 if (ethdev_rss & ETH_RSS_GENEVE)
448 nic_rss |= RSS_TUN_GENEVE_ENA;
450 if (ethdev_rss & ETH_RSS_NVGRE)
451 nic_rss |= RSS_TUN_NVGRE_ENA;
457 static inline uint64_t
458 nicvf_rss_nic_to_ethdev(struct nicvf *nic, uint64_t nic_rss)
460 uint64_t ethdev_rss = 0;
462 if (nic_rss & RSS_IP_ENA)
463 ethdev_rss |= (ETH_RSS_IPV4 | ETH_RSS_IPV6);
465 if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_TCP_ENA))
466 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_TCP |
467 ETH_RSS_NONFRAG_IPV6_TCP);
469 if ((nic_rss & RSS_IP_ENA) && (nic_rss & RSS_UDP_ENA))
470 ethdev_rss |= (ETH_RSS_NONFRAG_IPV4_UDP |
471 ETH_RSS_NONFRAG_IPV6_UDP);
473 if (nic_rss & RSS_L2_EXTENDED_HASH_ENA)
474 ethdev_rss |= ETH_RSS_PORT;
476 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING) {
477 if (nic_rss & RSS_TUN_VXLAN_ENA)
478 ethdev_rss |= ETH_RSS_VXLAN;
480 if (nic_rss & RSS_TUN_GENEVE_ENA)
481 ethdev_rss |= ETH_RSS_GENEVE;
483 if (nic_rss & RSS_TUN_NVGRE_ENA)
484 ethdev_rss |= ETH_RSS_NVGRE;
490 nicvf_dev_reta_query(struct rte_eth_dev *dev,
491 struct rte_eth_rss_reta_entry64 *reta_conf,
494 struct nicvf *nic = nicvf_pmd_priv(dev);
495 uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE];
498 if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) {
499 RTE_LOG(ERR, PMD, "The size of hash lookup table configured "
500 "(%d) doesn't match the number hardware can supported "
501 "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE);
505 ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
509 /* Copy RETA table */
510 for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) {
511 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
512 if ((reta_conf[i].mask >> j) & 0x01)
513 reta_conf[i].reta[j] = tbl[j];
520 nicvf_dev_reta_update(struct rte_eth_dev *dev,
521 struct rte_eth_rss_reta_entry64 *reta_conf,
524 struct nicvf *nic = nicvf_pmd_priv(dev);
525 uint8_t tbl[NIC_MAX_RSS_IDR_TBL_SIZE];
528 if (reta_size != NIC_MAX_RSS_IDR_TBL_SIZE) {
529 RTE_LOG(ERR, PMD, "The size of hash lookup table configured "
530 "(%d) doesn't match the number hardware can supported "
531 "(%d)", reta_size, NIC_MAX_RSS_IDR_TBL_SIZE);
535 ret = nicvf_rss_reta_query(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
539 /* Copy RETA table */
540 for (i = 0; i < (NIC_MAX_RSS_IDR_TBL_SIZE / RTE_RETA_GROUP_SIZE); i++) {
541 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
542 if ((reta_conf[i].mask >> j) & 0x01)
543 tbl[j] = reta_conf[i].reta[j];
546 return nicvf_rss_reta_update(nic, tbl, NIC_MAX_RSS_IDR_TBL_SIZE);
550 nicvf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
551 struct rte_eth_rss_conf *rss_conf)
553 struct nicvf *nic = nicvf_pmd_priv(dev);
555 if (rss_conf->rss_key)
556 nicvf_rss_get_key(nic, rss_conf->rss_key);
558 rss_conf->rss_key_len = RSS_HASH_KEY_BYTE_SIZE;
559 rss_conf->rss_hf = nicvf_rss_nic_to_ethdev(nic, nicvf_rss_get_cfg(nic));
564 nicvf_dev_rss_hash_update(struct rte_eth_dev *dev,
565 struct rte_eth_rss_conf *rss_conf)
567 struct nicvf *nic = nicvf_pmd_priv(dev);
570 if (rss_conf->rss_key &&
571 rss_conf->rss_key_len != RSS_HASH_KEY_BYTE_SIZE) {
572 RTE_LOG(ERR, PMD, "Hash key size mismatch %d",
573 rss_conf->rss_key_len);
577 if (rss_conf->rss_key)
578 nicvf_rss_set_key(nic, rss_conf->rss_key);
580 nic_rss = nicvf_rss_ethdev_to_nic(nic, rss_conf->rss_hf);
581 nicvf_rss_set_cfg(nic, nic_rss);
586 nicvf_qset_cq_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
587 struct nicvf_rxq *rxq, uint16_t qidx, uint32_t desc_cnt)
589 const struct rte_memzone *rz;
590 uint32_t ring_size = CMP_QUEUE_SZ_MAX * sizeof(union cq_entry_t);
592 rz = rte_eth_dma_zone_reserve(dev, "cq_ring",
593 nicvf_netdev_qidx(nic, qidx), ring_size,
594 NICVF_CQ_BASE_ALIGN_BYTES, nic->node);
596 PMD_INIT_LOG(ERR, "Failed to allocate mem for cq hw ring");
600 memset(rz->addr, 0, ring_size);
602 rxq->phys = rz->iova;
603 rxq->desc = rz->addr;
604 rxq->qlen_mask = desc_cnt - 1;
610 nicvf_qset_sq_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
611 struct nicvf_txq *sq, uint16_t qidx, uint32_t desc_cnt)
613 const struct rte_memzone *rz;
614 uint32_t ring_size = SND_QUEUE_SZ_MAX * sizeof(union sq_entry_t);
616 rz = rte_eth_dma_zone_reserve(dev, "sq",
617 nicvf_netdev_qidx(nic, qidx), ring_size,
618 NICVF_SQ_BASE_ALIGN_BYTES, nic->node);
620 PMD_INIT_LOG(ERR, "Failed allocate mem for sq hw ring");
624 memset(rz->addr, 0, ring_size);
628 sq->qlen_mask = desc_cnt - 1;
634 nicvf_qset_rbdr_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
635 uint32_t desc_cnt, uint32_t buffsz)
637 struct nicvf_rbdr *rbdr;
638 const struct rte_memzone *rz;
641 assert(nic->rbdr == NULL);
642 rbdr = rte_zmalloc_socket("rbdr", sizeof(struct nicvf_rbdr),
643 RTE_CACHE_LINE_SIZE, nic->node);
645 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr");
649 ring_size = sizeof(struct rbdr_entry_t) * RBDR_QUEUE_SZ_MAX;
650 rz = rte_eth_dma_zone_reserve(dev, "rbdr",
651 nicvf_netdev_qidx(nic, 0), ring_size,
652 NICVF_RBDR_BASE_ALIGN_BYTES, nic->node);
654 PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr desc ring");
658 memset(rz->addr, 0, ring_size);
660 rbdr->phys = rz->iova;
663 rbdr->desc = rz->addr;
664 rbdr->buffsz = buffsz;
665 rbdr->qlen_mask = desc_cnt - 1;
667 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_STATUS0;
669 nicvf_qset_base(nic, 0) + NIC_QSET_RBDR_0_1_DOOR;
676 nicvf_rbdr_release_mbuf(struct rte_eth_dev *dev, struct nicvf *nic,
677 nicvf_iova_addr_t phy)
681 struct nicvf_rxq *rxq;
682 uint16_t rx_start, rx_end;
684 /* Get queue ranges for this VF */
685 nicvf_rx_range(dev, nic, &rx_start, &rx_end);
687 for (qidx = rx_start; qidx <= rx_end; qidx++) {
688 rxq = dev->data->rx_queues[qidx];
689 if (rxq->precharge_cnt) {
690 obj = (void *)nicvf_mbuff_phy2virt(phy,
692 rte_mempool_put(rxq->pool, obj);
693 rxq->precharge_cnt--;
700 nicvf_rbdr_release_mbufs(struct rte_eth_dev *dev, struct nicvf *nic)
702 uint32_t qlen_mask, head;
703 struct rbdr_entry_t *entry;
704 struct nicvf_rbdr *rbdr = nic->rbdr;
706 qlen_mask = rbdr->qlen_mask;
708 while (head != rbdr->tail) {
709 entry = rbdr->desc + head;
710 nicvf_rbdr_release_mbuf(dev, nic, entry->full_addr);
712 head = head & qlen_mask;
717 nicvf_tx_queue_release_mbufs(struct nicvf_txq *txq)
722 while (head != txq->tail) {
723 if (txq->txbuffs[head]) {
724 rte_pktmbuf_free_seg(txq->txbuffs[head]);
725 txq->txbuffs[head] = NULL;
728 head = head & txq->qlen_mask;
733 nicvf_tx_queue_reset(struct nicvf_txq *txq)
735 uint32_t txq_desc_cnt = txq->qlen_mask + 1;
737 memset(txq->desc, 0, sizeof(union sq_entry_t) * txq_desc_cnt);
738 memset(txq->txbuffs, 0, sizeof(struct rte_mbuf *) * txq_desc_cnt);
745 nicvf_vf_start_tx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
748 struct nicvf_txq *txq;
751 assert(qidx < MAX_SND_QUEUES_PER_QS);
753 if (dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
754 RTE_ETH_QUEUE_STATE_STARTED)
757 txq = dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)];
759 ret = nicvf_qset_sq_config(nic, qidx, txq);
761 PMD_INIT_LOG(ERR, "Failed to configure sq VF%d %d %d",
762 nic->vf_id, qidx, ret);
763 goto config_sq_error;
766 dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
767 RTE_ETH_QUEUE_STATE_STARTED;
771 nicvf_qset_sq_reclaim(nic, qidx);
776 nicvf_vf_stop_tx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
779 struct nicvf_txq *txq;
782 assert(qidx < MAX_SND_QUEUES_PER_QS);
784 if (dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
785 RTE_ETH_QUEUE_STATE_STOPPED)
788 ret = nicvf_qset_sq_reclaim(nic, qidx);
790 PMD_INIT_LOG(ERR, "Failed to reclaim sq VF%d %d %d",
791 nic->vf_id, qidx, ret);
793 txq = dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)];
794 nicvf_tx_queue_release_mbufs(txq);
795 nicvf_tx_queue_reset(txq);
797 dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
798 RTE_ETH_QUEUE_STATE_STOPPED;
803 nicvf_configure_cpi(struct rte_eth_dev *dev)
805 struct nicvf *nic = nicvf_pmd_priv(dev);
809 /* Count started rx queues */
810 for (qidx = qcnt = 0; qidx < dev->data->nb_rx_queues; qidx++)
811 if (dev->data->rx_queue_state[qidx] ==
812 RTE_ETH_QUEUE_STATE_STARTED)
815 nic->cpi_alg = CPI_ALG_NONE;
816 ret = nicvf_mbox_config_cpi(nic, qcnt);
818 PMD_INIT_LOG(ERR, "Failed to configure CPI %d", ret);
824 nicvf_configure_rss(struct rte_eth_dev *dev)
826 struct nicvf *nic = nicvf_pmd_priv(dev);
830 rsshf = nicvf_rss_ethdev_to_nic(nic,
831 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf);
832 PMD_DRV_LOG(INFO, "mode=%d rx_queues=%d loopback=%d rsshf=0x%" PRIx64,
833 dev->data->dev_conf.rxmode.mq_mode,
834 dev->data->nb_rx_queues,
835 dev->data->dev_conf.lpbk_mode, rsshf);
837 if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_NONE)
838 ret = nicvf_rss_term(nic);
839 else if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS)
840 ret = nicvf_rss_config(nic, dev->data->nb_rx_queues, rsshf);
842 PMD_INIT_LOG(ERR, "Failed to configure RSS %d", ret);
848 nicvf_configure_rss_reta(struct rte_eth_dev *dev)
850 struct nicvf *nic = nicvf_pmd_priv(dev);
851 unsigned int idx, qmap_size;
852 uint8_t qmap[RTE_MAX_QUEUES_PER_PORT];
853 uint8_t default_reta[NIC_MAX_RSS_IDR_TBL_SIZE];
855 if (nic->cpi_alg != CPI_ALG_NONE)
858 /* Prepare queue map */
859 for (idx = 0, qmap_size = 0; idx < dev->data->nb_rx_queues; idx++) {
860 if (dev->data->rx_queue_state[idx] ==
861 RTE_ETH_QUEUE_STATE_STARTED)
862 qmap[qmap_size++] = idx;
865 /* Update default RSS RETA */
866 for (idx = 0; idx < NIC_MAX_RSS_IDR_TBL_SIZE; idx++)
867 default_reta[idx] = qmap[idx % qmap_size];
869 return nicvf_rss_reta_update(nic, default_reta,
870 NIC_MAX_RSS_IDR_TBL_SIZE);
874 nicvf_dev_tx_queue_release(void *sq)
876 struct nicvf_txq *txq;
878 PMD_INIT_FUNC_TRACE();
880 txq = (struct nicvf_txq *)sq;
882 if (txq->txbuffs != NULL) {
883 nicvf_tx_queue_release_mbufs(txq);
884 rte_free(txq->txbuffs);
892 nicvf_set_tx_function(struct rte_eth_dev *dev)
894 struct nicvf_txq *txq = NULL;
896 bool multiseg = false;
898 for (i = 0; i < dev->data->nb_tx_queues; i++) {
899 txq = dev->data->tx_queues[i];
900 if (txq->offloads & DEV_TX_OFFLOAD_MULTI_SEGS) {
906 /* Use a simple Tx queue (no offloads, no multi segs) if possible */
908 PMD_DRV_LOG(DEBUG, "Using multi-segment tx callback");
909 dev->tx_pkt_burst = nicvf_xmit_pkts_multiseg;
911 PMD_DRV_LOG(DEBUG, "Using single-segment tx callback");
912 dev->tx_pkt_burst = nicvf_xmit_pkts;
918 if (txq->pool_free == nicvf_single_pool_free_xmited_buffers)
919 PMD_DRV_LOG(DEBUG, "Using single-mempool tx free method");
921 PMD_DRV_LOG(DEBUG, "Using multi-mempool tx free method");
925 nicvf_set_rx_function(struct rte_eth_dev *dev)
927 struct nicvf *nic = nicvf_pmd_priv(dev);
929 const eth_rx_burst_t rx_burst_func[2][2][2] = {
930 /* [NORMAL/SCATTER] [CKSUM/NO_CKSUM] [VLAN_STRIP/NO_VLAN_STRIP] */
931 [0][0][0] = nicvf_recv_pkts_no_offload,
932 [0][0][1] = nicvf_recv_pkts_vlan_strip,
933 [0][1][0] = nicvf_recv_pkts_cksum,
934 [0][1][1] = nicvf_recv_pkts_cksum_vlan_strip,
935 [1][0][0] = nicvf_recv_pkts_multiseg_no_offload,
936 [1][0][1] = nicvf_recv_pkts_multiseg_vlan_strip,
937 [1][1][0] = nicvf_recv_pkts_multiseg_cksum,
938 [1][1][1] = nicvf_recv_pkts_multiseg_cksum_vlan_strip,
942 rx_burst_func[dev->data->scattered_rx]
943 [nic->offload_cksum][nic->vlan_strip];
947 nicvf_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
948 uint16_t nb_desc, unsigned int socket_id,
949 const struct rte_eth_txconf *tx_conf)
951 uint16_t tx_free_thresh;
953 struct nicvf_txq *txq;
954 struct nicvf *nic = nicvf_pmd_priv(dev);
957 PMD_INIT_FUNC_TRACE();
959 if (qidx >= MAX_SND_QUEUES_PER_QS)
960 nic = nic->snicvf[qidx / MAX_SND_QUEUES_PER_QS - 1];
962 qidx = qidx % MAX_SND_QUEUES_PER_QS;
964 /* Socket id check */
965 if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node)
966 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d",
967 socket_id, nic->node);
969 /* Tx deferred start is not supported */
970 if (tx_conf->tx_deferred_start) {
971 PMD_INIT_LOG(ERR, "Tx deferred start not supported");
975 /* Roundup nb_desc to available qsize and validate max number of desc */
976 nb_desc = nicvf_qsize_sq_roundup(nb_desc);
978 PMD_INIT_LOG(ERR, "Value of nb_desc beyond available sq qsize");
982 /* Validate tx_free_thresh */
983 tx_free_thresh = (uint16_t)((tx_conf->tx_free_thresh) ?
984 tx_conf->tx_free_thresh :
985 NICVF_DEFAULT_TX_FREE_THRESH);
987 if (tx_free_thresh > (nb_desc) ||
988 tx_free_thresh > NICVF_MAX_TX_FREE_THRESH) {
990 "tx_free_thresh must be less than the number of TX "
991 "descriptors. (tx_free_thresh=%u port=%d "
992 "queue=%d)", (unsigned int)tx_free_thresh,
993 (int)dev->data->port_id, (int)qidx);
997 /* Free memory prior to re-allocation if needed. */
998 if (dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] != NULL) {
999 PMD_TX_LOG(DEBUG, "Freeing memory prior to re-allocation %d",
1000 nicvf_netdev_qidx(nic, qidx));
1001 nicvf_dev_tx_queue_release(
1002 dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)]);
1003 dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] = NULL;
1006 /* Allocating tx queue data structure */
1007 txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct nicvf_txq),
1008 RTE_CACHE_LINE_SIZE, nic->node);
1010 PMD_INIT_LOG(ERR, "Failed to allocate txq=%d",
1011 nicvf_netdev_qidx(nic, qidx));
1016 txq->queue_id = qidx;
1017 txq->tx_free_thresh = tx_free_thresh;
1018 txq->sq_head = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_HEAD;
1019 txq->sq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_SQ_0_7_DOOR;
1020 offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
1021 txq->offloads = offloads;
1023 is_single_pool = !!(offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE);
1025 /* Choose optimum free threshold value for multipool case */
1026 if (!is_single_pool) {
1027 txq->tx_free_thresh = (uint16_t)
1028 (tx_conf->tx_free_thresh == NICVF_DEFAULT_TX_FREE_THRESH ?
1029 NICVF_TX_FREE_MPOOL_THRESH :
1030 tx_conf->tx_free_thresh);
1031 txq->pool_free = nicvf_multi_pool_free_xmited_buffers;
1033 txq->pool_free = nicvf_single_pool_free_xmited_buffers;
1036 /* Allocate software ring */
1037 txq->txbuffs = rte_zmalloc_socket("txq->txbuffs",
1038 nb_desc * sizeof(struct rte_mbuf *),
1039 RTE_CACHE_LINE_SIZE, nic->node);
1041 if (txq->txbuffs == NULL) {
1042 nicvf_dev_tx_queue_release(txq);
1046 if (nicvf_qset_sq_alloc(dev, nic, txq, qidx, nb_desc)) {
1047 PMD_INIT_LOG(ERR, "Failed to allocate mem for sq %d", qidx);
1048 nicvf_dev_tx_queue_release(txq);
1052 nicvf_tx_queue_reset(txq);
1054 PMD_INIT_LOG(DEBUG, "[%d] txq=%p nb_desc=%d desc=%p"
1055 " phys=0x%" PRIx64 " offloads=0x%" PRIx64,
1056 nicvf_netdev_qidx(nic, qidx), txq, nb_desc, txq->desc,
1057 txq->phys, txq->offloads);
1059 dev->data->tx_queues[nicvf_netdev_qidx(nic, qidx)] = txq;
1060 dev->data->tx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1061 RTE_ETH_QUEUE_STATE_STOPPED;
1066 nicvf_rx_queue_release_mbufs(struct rte_eth_dev *dev, struct nicvf_rxq *rxq)
1069 uint32_t nb_pkts, released_pkts = 0;
1070 uint32_t refill_cnt = 0;
1071 struct rte_mbuf *rx_pkts[NICVF_MAX_RX_FREE_THRESH];
1073 if (dev->rx_pkt_burst == NULL)
1076 while ((rxq_cnt = nicvf_dev_rx_queue_count(dev,
1077 nicvf_netdev_qidx(rxq->nic, rxq->queue_id)))) {
1078 nb_pkts = dev->rx_pkt_burst(rxq, rx_pkts,
1079 NICVF_MAX_RX_FREE_THRESH);
1080 PMD_DRV_LOG(INFO, "nb_pkts=%d rxq_cnt=%d", nb_pkts, rxq_cnt);
1082 rte_pktmbuf_free_seg(rx_pkts[--nb_pkts]);
1088 refill_cnt += nicvf_dev_rbdr_refill(dev,
1089 nicvf_netdev_qidx(rxq->nic, rxq->queue_id));
1091 PMD_DRV_LOG(INFO, "free_cnt=%d refill_cnt=%d",
1092 released_pkts, refill_cnt);
1096 nicvf_rx_queue_reset(struct nicvf_rxq *rxq)
1099 rxq->available_space = 0;
1100 rxq->recv_buffers = 0;
1104 nicvf_vf_start_rx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
1107 struct nicvf_rxq *rxq;
1110 assert(qidx < MAX_RCV_QUEUES_PER_QS);
1112 if (dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
1113 RTE_ETH_QUEUE_STATE_STARTED)
1116 /* Update rbdr pointer to all rxq */
1117 rxq = dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)];
1118 rxq->shared_rbdr = nic->rbdr;
1120 ret = nicvf_qset_rq_config(nic, qidx, rxq);
1122 PMD_INIT_LOG(ERR, "Failed to configure rq VF%d %d %d",
1123 nic->vf_id, qidx, ret);
1124 goto config_rq_error;
1126 ret = nicvf_qset_cq_config(nic, qidx, rxq);
1128 PMD_INIT_LOG(ERR, "Failed to configure cq VF%d %d %d",
1129 nic->vf_id, qidx, ret);
1130 goto config_cq_error;
1133 dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1134 RTE_ETH_QUEUE_STATE_STARTED;
1138 nicvf_qset_cq_reclaim(nic, qidx);
1140 nicvf_qset_rq_reclaim(nic, qidx);
1145 nicvf_vf_stop_rx_queue(struct rte_eth_dev *dev, struct nicvf *nic,
1148 struct nicvf_rxq *rxq;
1149 int ret, other_error;
1151 if (dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] ==
1152 RTE_ETH_QUEUE_STATE_STOPPED)
1155 ret = nicvf_qset_rq_reclaim(nic, qidx);
1157 PMD_INIT_LOG(ERR, "Failed to reclaim rq VF%d %d %d",
1158 nic->vf_id, qidx, ret);
1161 rxq = dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)];
1162 nicvf_rx_queue_release_mbufs(dev, rxq);
1163 nicvf_rx_queue_reset(rxq);
1165 ret = nicvf_qset_cq_reclaim(nic, qidx);
1167 PMD_INIT_LOG(ERR, "Failed to reclaim cq VF%d %d %d",
1168 nic->vf_id, qidx, ret);
1171 dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1172 RTE_ETH_QUEUE_STATE_STOPPED;
1177 nicvf_dev_rx_queue_release(void *rx_queue)
1179 PMD_INIT_FUNC_TRACE();
1185 nicvf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
1187 struct nicvf *nic = nicvf_pmd_priv(dev);
1190 if (qidx >= MAX_RCV_QUEUES_PER_QS)
1191 nic = nic->snicvf[(qidx / MAX_RCV_QUEUES_PER_QS - 1)];
1193 qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1195 ret = nicvf_vf_start_rx_queue(dev, nic, qidx);
1199 ret = nicvf_configure_cpi(dev);
1203 return nicvf_configure_rss_reta(dev);
1207 nicvf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
1210 struct nicvf *nic = nicvf_pmd_priv(dev);
1212 if (qidx >= MAX_SND_QUEUES_PER_QS)
1213 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1215 qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1217 ret = nicvf_vf_stop_rx_queue(dev, nic, qidx);
1218 ret |= nicvf_configure_cpi(dev);
1219 ret |= nicvf_configure_rss_reta(dev);
1224 nicvf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
1226 struct nicvf *nic = nicvf_pmd_priv(dev);
1228 if (qidx >= MAX_SND_QUEUES_PER_QS)
1229 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1231 qidx = qidx % MAX_SND_QUEUES_PER_QS;
1233 return nicvf_vf_start_tx_queue(dev, nic, qidx);
1237 nicvf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
1239 struct nicvf *nic = nicvf_pmd_priv(dev);
1241 if (qidx >= MAX_SND_QUEUES_PER_QS)
1242 nic = nic->snicvf[(qidx / MAX_SND_QUEUES_PER_QS - 1)];
1244 qidx = qidx % MAX_SND_QUEUES_PER_QS;
1246 return nicvf_vf_stop_tx_queue(dev, nic, qidx);
1250 nicvf_rxq_mbuf_setup(struct nicvf_rxq *rxq)
1253 struct rte_mbuf mb_def;
1254 struct nicvf *nic = rxq->nic;
1256 RTE_BUILD_BUG_ON(sizeof(union mbuf_initializer) != 8);
1257 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) % 8 != 0);
1258 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, refcnt) -
1259 offsetof(struct rte_mbuf, data_off) != 2);
1260 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, nb_segs) -
1261 offsetof(struct rte_mbuf, data_off) != 4);
1262 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, port) -
1263 offsetof(struct rte_mbuf, data_off) != 6);
1264 RTE_BUILD_BUG_ON(offsetof(struct nicvf_rxq, rxq_fastpath_data_end) -
1265 offsetof(struct nicvf_rxq,
1266 rxq_fastpath_data_start) > 128);
1268 mb_def.data_off = RTE_PKTMBUF_HEADROOM + (nic->skip_bytes);
1269 mb_def.port = rxq->port_id;
1270 rte_mbuf_refcnt_set(&mb_def, 1);
1272 /* Prevent compiler reordering: rearm_data covers previous fields */
1273 rte_compiler_barrier();
1274 p = (uintptr_t)&mb_def.rearm_data;
1275 rxq->mbuf_initializer.value = *(uint64_t *)p;
1279 nicvf_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
1280 uint16_t nb_desc, unsigned int socket_id,
1281 const struct rte_eth_rxconf *rx_conf,
1282 struct rte_mempool *mp)
1284 uint16_t rx_free_thresh;
1285 struct nicvf_rxq *rxq;
1286 struct nicvf *nic = nicvf_pmd_priv(dev);
1289 struct rte_pktmbuf_pool_private *mbp_priv;
1291 PMD_INIT_FUNC_TRACE();
1293 /* First skip check */
1294 mbp_priv = rte_mempool_get_priv(mp);
1295 buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
1296 if (buffsz < (uint32_t)(nic->skip_bytes)) {
1297 PMD_INIT_LOG(ERR, "First skip is more than configured buffer size");
1301 if (qidx >= MAX_RCV_QUEUES_PER_QS)
1302 nic = nic->snicvf[qidx / MAX_RCV_QUEUES_PER_QS - 1];
1304 qidx = qidx % MAX_RCV_QUEUES_PER_QS;
1306 /* Socket id check */
1307 if (socket_id != (unsigned int)SOCKET_ID_ANY && socket_id != nic->node)
1308 PMD_DRV_LOG(WARNING, "socket_id expected %d, configured %d",
1309 socket_id, nic->node);
1311 /* Mempool memory must be contiguous, so must be one memory segment*/
1312 if (mp->nb_mem_chunks != 1) {
1313 PMD_INIT_LOG(ERR, "Non-contiguous mempool, add more huge pages");
1317 /* Mempool memory must be physically contiguous */
1318 if (mp->flags & MEMPOOL_F_NO_IOVA_CONTIG) {
1319 PMD_INIT_LOG(ERR, "Mempool memory must be physically contiguous");
1323 /* Rx deferred start is not supported */
1324 if (rx_conf->rx_deferred_start) {
1325 PMD_INIT_LOG(ERR, "Rx deferred start not supported");
1329 /* Roundup nb_desc to available qsize and validate max number of desc */
1330 nb_desc = nicvf_qsize_cq_roundup(nb_desc);
1332 PMD_INIT_LOG(ERR, "Value nb_desc beyond available hw cq qsize");
1337 /* Check rx_free_thresh upper bound */
1338 rx_free_thresh = (uint16_t)((rx_conf->rx_free_thresh) ?
1339 rx_conf->rx_free_thresh :
1340 NICVF_DEFAULT_RX_FREE_THRESH);
1341 if (rx_free_thresh > NICVF_MAX_RX_FREE_THRESH ||
1342 rx_free_thresh >= nb_desc * .75) {
1343 PMD_INIT_LOG(ERR, "rx_free_thresh greater than expected %d",
1348 /* Free memory prior to re-allocation if needed */
1349 if (dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] != NULL) {
1350 PMD_RX_LOG(DEBUG, "Freeing memory prior to re-allocation %d",
1351 nicvf_netdev_qidx(nic, qidx));
1352 nicvf_dev_rx_queue_release(
1353 dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)]);
1354 dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] = NULL;
1357 /* Allocate rxq memory */
1358 rxq = rte_zmalloc_socket("ethdev rx queue", sizeof(struct nicvf_rxq),
1359 RTE_CACHE_LINE_SIZE, nic->node);
1361 PMD_INIT_LOG(ERR, "Failed to allocate rxq=%d",
1362 nicvf_netdev_qidx(nic, qidx));
1368 rxq->queue_id = qidx;
1369 rxq->port_id = dev->data->port_id;
1370 rxq->rx_free_thresh = rx_free_thresh;
1371 rxq->rx_drop_en = rx_conf->rx_drop_en;
1372 rxq->cq_status = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_STATUS;
1373 rxq->cq_door = nicvf_qset_base(nic, qidx) + NIC_QSET_CQ_0_7_DOOR;
1374 rxq->precharge_cnt = 0;
1376 if (nicvf_hw_cap(nic) & NICVF_CAP_CQE_RX2)
1377 rxq->rbptr_offset = NICVF_CQE_RX2_RBPTR_WORD;
1379 rxq->rbptr_offset = NICVF_CQE_RBPTR_WORD;
1381 nicvf_rxq_mbuf_setup(rxq);
1383 /* Alloc completion queue */
1384 if (nicvf_qset_cq_alloc(dev, nic, rxq, rxq->queue_id, nb_desc)) {
1385 PMD_INIT_LOG(ERR, "failed to allocate cq %u", rxq->queue_id);
1386 nicvf_dev_rx_queue_release(rxq);
1390 nicvf_rx_queue_reset(rxq);
1392 offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads;
1393 PMD_INIT_LOG(DEBUG, "[%d] rxq=%p pool=%s nb_desc=(%d/%d)"
1394 " phy=0x%" PRIx64 " offloads=0x%" PRIx64,
1395 nicvf_netdev_qidx(nic, qidx), rxq, mp->name, nb_desc,
1396 rte_mempool_avail_count(mp), rxq->phys, offloads);
1398 dev->data->rx_queues[nicvf_netdev_qidx(nic, qidx)] = rxq;
1399 dev->data->rx_queue_state[nicvf_netdev_qidx(nic, qidx)] =
1400 RTE_ETH_QUEUE_STATE_STOPPED;
1405 nicvf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
1407 struct nicvf *nic = nicvf_pmd_priv(dev);
1408 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1410 PMD_INIT_FUNC_TRACE();
1412 /* Autonegotiation may be disabled */
1413 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
1414 dev_info->speed_capa |= ETH_LINK_SPEED_10M | ETH_LINK_SPEED_100M |
1415 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G;
1416 if (nicvf_hw_version(nic) != PCI_SUB_DEVICE_ID_CN81XX_NICVF)
1417 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
1419 dev_info->min_rx_bufsize = RTE_ETHER_MIN_MTU;
1420 dev_info->max_rx_pktlen = NIC_HW_MAX_MTU + RTE_ETHER_HDR_LEN;
1421 dev_info->max_rx_queues =
1422 (uint16_t)MAX_RCV_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1);
1423 dev_info->max_tx_queues =
1424 (uint16_t)MAX_SND_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1);
1425 dev_info->max_mac_addrs = 1;
1426 dev_info->max_vfs = pci_dev->max_vfs;
1428 dev_info->rx_offload_capa = NICVF_RX_OFFLOAD_CAPA;
1429 dev_info->tx_offload_capa = NICVF_TX_OFFLOAD_CAPA;
1430 dev_info->rx_queue_offload_capa = NICVF_RX_OFFLOAD_CAPA;
1431 dev_info->tx_queue_offload_capa = NICVF_TX_OFFLOAD_CAPA;
1433 dev_info->reta_size = nic->rss_info.rss_size;
1434 dev_info->hash_key_size = RSS_HASH_KEY_BYTE_SIZE;
1435 dev_info->flow_type_rss_offloads = NICVF_RSS_OFFLOAD_PASS1;
1436 if (nicvf_hw_cap(nic) & NICVF_CAP_TUNNEL_PARSING)
1437 dev_info->flow_type_rss_offloads |= NICVF_RSS_OFFLOAD_TUNNEL;
1439 dev_info->default_rxconf = (struct rte_eth_rxconf) {
1440 .rx_free_thresh = NICVF_DEFAULT_RX_FREE_THRESH,
1444 dev_info->default_txconf = (struct rte_eth_txconf) {
1445 .tx_free_thresh = NICVF_DEFAULT_TX_FREE_THRESH,
1446 .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE |
1447 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
1448 DEV_TX_OFFLOAD_UDP_CKSUM |
1449 DEV_TX_OFFLOAD_TCP_CKSUM,
1455 static nicvf_iova_addr_t
1456 rbdr_rte_mempool_get(void *dev, void *opaque)
1460 struct nicvf_rxq *rxq;
1461 struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)dev;
1462 struct nicvf *nic = (struct nicvf *)opaque;
1463 uint16_t rx_start, rx_end;
1465 /* Get queue ranges for this VF */
1466 nicvf_rx_range(eth_dev, nic, &rx_start, &rx_end);
1468 for (qidx = rx_start; qidx <= rx_end; qidx++) {
1469 rxq = eth_dev->data->rx_queues[qidx];
1470 /* Maintain equal buffer count across all pools */
1471 if (rxq->precharge_cnt >= rxq->qlen_mask)
1473 rxq->precharge_cnt++;
1474 mbuf = (uintptr_t)rte_pktmbuf_alloc(rxq->pool);
1476 return nicvf_mbuff_virt2phy(mbuf, rxq->mbuf_phys_off);
1482 nicvf_vf_start(struct rte_eth_dev *dev, struct nicvf *nic, uint32_t rbdrsz)
1485 uint16_t qidx, data_off;
1486 uint32_t total_rxq_desc, nb_rbdr_desc, exp_buffs;
1487 uint64_t mbuf_phys_off = 0;
1488 struct nicvf_rxq *rxq;
1489 struct rte_mbuf *mbuf;
1490 uint16_t rx_start, rx_end;
1491 uint16_t tx_start, tx_end;
1494 PMD_INIT_FUNC_TRACE();
1496 /* Userspace process exited without proper shutdown in last run */
1497 if (nicvf_qset_rbdr_active(nic, 0))
1498 nicvf_vf_stop(dev, nic, false);
1500 /* Get queue ranges for this VF */
1501 nicvf_rx_range(dev, nic, &rx_start, &rx_end);
1504 * Thunderx nicvf PMD can support more than one pool per port only when
1505 * 1) Data payload size is same across all the pools in given port
1507 * 2) All mbuffs in the pools are from the same hugepage
1509 * 3) Mbuff metadata size is same across all the pools in given port
1511 * This is to support existing application that uses multiple pool/port.
1512 * But, the purpose of using multipool for QoS will not be addressed.
1516 /* Validate mempool attributes */
1517 for (qidx = rx_start; qidx <= rx_end; qidx++) {
1518 rxq = dev->data->rx_queues[qidx];
1519 rxq->mbuf_phys_off = nicvf_mempool_phy_offset(rxq->pool);
1520 mbuf = rte_pktmbuf_alloc(rxq->pool);
1522 PMD_INIT_LOG(ERR, "Failed allocate mbuf VF%d qid=%d "
1524 nic->vf_id, qidx, rxq->pool->name);
1527 data_off = nicvf_mbuff_meta_length(mbuf);
1528 data_off += RTE_PKTMBUF_HEADROOM;
1529 rte_pktmbuf_free(mbuf);
1531 if (data_off % RTE_CACHE_LINE_SIZE) {
1532 PMD_INIT_LOG(ERR, "%s: unaligned data_off=%d delta=%d",
1533 rxq->pool->name, data_off,
1534 data_off % RTE_CACHE_LINE_SIZE);
1537 rxq->mbuf_phys_off -= data_off;
1538 rxq->mbuf_phys_off -= nic->skip_bytes;
1540 if (mbuf_phys_off == 0)
1541 mbuf_phys_off = rxq->mbuf_phys_off;
1542 if (mbuf_phys_off != rxq->mbuf_phys_off) {
1543 PMD_INIT_LOG(ERR, "pool params not same,%s VF%d %"
1544 PRIx64, rxq->pool->name, nic->vf_id,
1550 /* Check the level of buffers in the pool */
1552 for (qidx = rx_start; qidx <= rx_end; qidx++) {
1553 rxq = dev->data->rx_queues[qidx];
1554 /* Count total numbers of rxq descs */
1555 total_rxq_desc += rxq->qlen_mask + 1;
1556 exp_buffs = RTE_MEMPOOL_CACHE_MAX_SIZE + rxq->rx_free_thresh;
1557 exp_buffs *= dev->data->nb_rx_queues;
1558 if (rte_mempool_avail_count(rxq->pool) < exp_buffs) {
1559 PMD_INIT_LOG(ERR, "Buff shortage in pool=%s (%d/%d)",
1561 rte_mempool_avail_count(rxq->pool),
1567 /* Check RBDR desc overflow */
1568 ret = nicvf_qsize_rbdr_roundup(total_rxq_desc);
1570 PMD_INIT_LOG(ERR, "Reached RBDR desc limit, reduce nr desc "
1571 "VF%d", nic->vf_id);
1576 ret = nicvf_qset_config(nic);
1578 PMD_INIT_LOG(ERR, "Failed to enable qset %d VF%d", ret,
1583 /* Allocate RBDR and RBDR ring desc */
1584 nb_rbdr_desc = nicvf_qsize_rbdr_roundup(total_rxq_desc);
1585 ret = nicvf_qset_rbdr_alloc(dev, nic, nb_rbdr_desc, rbdrsz);
1587 PMD_INIT_LOG(ERR, "Failed to allocate memory for rbdr alloc "
1588 "VF%d", nic->vf_id);
1592 /* Enable and configure RBDR registers */
1593 ret = nicvf_qset_rbdr_config(nic, 0);
1595 PMD_INIT_LOG(ERR, "Failed to configure rbdr %d VF%d", ret,
1597 goto qset_rbdr_free;
1600 /* Fill rte_mempool buffers in RBDR pool and precharge it */
1601 ret = nicvf_qset_rbdr_precharge(dev, nic, 0, rbdr_rte_mempool_get,
1604 PMD_INIT_LOG(ERR, "Failed to fill rbdr %d VF%d", ret,
1606 goto qset_rbdr_reclaim;
1609 PMD_DRV_LOG(INFO, "Filled %d out of %d entries in RBDR VF%d",
1610 nic->rbdr->tail, nb_rbdr_desc, nic->vf_id);
1612 /* Configure VLAN Strip */
1613 mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK |
1614 ETH_VLAN_EXTEND_MASK;
1615 ret = nicvf_vlan_offload_config(dev, mask);
1617 /* Based on the packet type(IPv4 or IPv6), the nicvf HW aligns L3 data
1618 * to the 64bit memory address.
1619 * The alignment creates a hole in mbuf(between the end of headroom and
1620 * packet data start). The new revision of the HW provides an option to
1621 * disable the L3 alignment feature and make mbuf layout looks
1622 * more like other NICs. For better application compatibility, disabling
1623 * l3 alignment feature on the hardware revisions it supports
1625 nicvf_apad_config(nic, false);
1627 /* Get queue ranges for this VF */
1628 nicvf_tx_range(dev, nic, &tx_start, &tx_end);
1630 /* Configure TX queues */
1631 for (qidx = tx_start; qidx <= tx_end; qidx++) {
1632 ret = nicvf_vf_start_tx_queue(dev, nic,
1633 qidx % MAX_SND_QUEUES_PER_QS);
1635 goto start_txq_error;
1638 /* Configure RX queues */
1639 for (qidx = rx_start; qidx <= rx_end; qidx++) {
1640 ret = nicvf_vf_start_rx_queue(dev, nic,
1641 qidx % MAX_RCV_QUEUES_PER_QS);
1643 goto start_rxq_error;
1646 if (!nic->sqs_mode) {
1647 /* Configure CPI algorithm */
1648 ret = nicvf_configure_cpi(dev);
1650 goto start_txq_error;
1652 ret = nicvf_mbox_get_rss_size(nic);
1654 PMD_INIT_LOG(ERR, "Failed to get rss table size");
1655 goto qset_rss_error;
1659 ret = nicvf_configure_rss(dev);
1661 goto qset_rss_error;
1664 /* Done; Let PF make the BGX's RX and TX switches to ON position */
1665 nicvf_mbox_cfg_done(nic);
1669 nicvf_rss_term(nic);
1671 for (qidx = rx_start; qidx <= rx_end; qidx++)
1672 nicvf_vf_stop_rx_queue(dev, nic, qidx % MAX_RCV_QUEUES_PER_QS);
1674 for (qidx = tx_start; qidx <= tx_end; qidx++)
1675 nicvf_vf_stop_tx_queue(dev, nic, qidx % MAX_SND_QUEUES_PER_QS);
1677 nicvf_qset_rbdr_reclaim(nic, 0);
1678 nicvf_rbdr_release_mbufs(dev, nic);
1681 rte_free(nic->rbdr);
1685 nicvf_qset_reclaim(nic);
1690 nicvf_dev_start(struct rte_eth_dev *dev)
1695 struct nicvf *nic = nicvf_pmd_priv(dev);
1696 struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
1698 uint32_t buffsz = 0, rbdrsz = 0;
1699 struct rte_pktmbuf_pool_private *mbp_priv;
1700 struct nicvf_rxq *rxq;
1702 PMD_INIT_FUNC_TRACE();
1704 /* This function must be called for a primary device */
1705 assert_primary(nic);
1707 /* Validate RBDR buff size */
1708 for (qidx = 0; qidx < dev->data->nb_rx_queues; qidx++) {
1709 rxq = dev->data->rx_queues[qidx];
1710 mbp_priv = rte_mempool_get_priv(rxq->pool);
1711 buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
1713 PMD_INIT_LOG(ERR, "rxbuf size must be multiply of 128");
1718 if (rbdrsz != buffsz) {
1719 PMD_INIT_LOG(ERR, "buffsz not same, qidx=%d (%d/%d)",
1720 qidx, rbdrsz, buffsz);
1725 /* Configure loopback */
1726 ret = nicvf_loopback_config(nic, dev->data->dev_conf.lpbk_mode);
1728 PMD_INIT_LOG(ERR, "Failed to configure loopback %d", ret);
1732 /* Reset all statistics counters attached to this port */
1733 ret = nicvf_mbox_reset_stat_counters(nic, 0x3FFF, 0x1F, 0xFFFF, 0xFFFF);
1735 PMD_INIT_LOG(ERR, "Failed to reset stat counters %d", ret);
1739 /* Setup scatter mode if needed by jumbo */
1740 if (dev->data->dev_conf.rxmode.max_rx_pkt_len +
1741 2 * VLAN_TAG_SIZE > buffsz)
1742 dev->data->scattered_rx = 1;
1743 if ((rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) != 0)
1744 dev->data->scattered_rx = 1;
1746 /* Setup MTU based on max_rx_pkt_len or default */
1747 mtu = dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME ?
1748 dev->data->dev_conf.rxmode.max_rx_pkt_len
1749 - RTE_ETHER_HDR_LEN : RTE_ETHER_MTU;
1751 if (nicvf_dev_set_mtu(dev, mtu)) {
1752 PMD_INIT_LOG(ERR, "Failed to set default mtu size");
1756 ret = nicvf_vf_start(dev, nic, rbdrsz);
1760 for (i = 0; i < nic->sqs_count; i++) {
1761 assert(nic->snicvf[i]);
1763 ret = nicvf_vf_start(dev, nic->snicvf[i], rbdrsz);
1768 /* Configure callbacks based on offloads */
1769 nicvf_set_tx_function(dev);
1770 nicvf_set_rx_function(dev);
1776 nicvf_dev_stop_cleanup(struct rte_eth_dev *dev, bool cleanup)
1780 struct nicvf *nic = nicvf_pmd_priv(dev);
1782 PMD_INIT_FUNC_TRACE();
1784 /* Teardown secondary vf first */
1785 for (i = 0; i < nic->sqs_count; i++) {
1786 if (!nic->snicvf[i])
1789 nicvf_vf_stop(dev, nic->snicvf[i], cleanup);
1792 /* Stop the primary VF now */
1793 nicvf_vf_stop(dev, nic, cleanup);
1795 /* Disable loopback */
1796 ret = nicvf_loopback_config(nic, 0);
1798 PMD_INIT_LOG(ERR, "Failed to disable loopback %d", ret);
1800 /* Reclaim CPI configuration */
1801 ret = nicvf_mbox_config_cpi(nic, 0);
1803 PMD_INIT_LOG(ERR, "Failed to reclaim CPI config %d", ret);
1807 nicvf_dev_stop(struct rte_eth_dev *dev)
1809 PMD_INIT_FUNC_TRACE();
1811 nicvf_dev_stop_cleanup(dev, false);
1815 nicvf_vf_stop(struct rte_eth_dev *dev, struct nicvf *nic, bool cleanup)
1819 uint16_t tx_start, tx_end;
1820 uint16_t rx_start, rx_end;
1822 PMD_INIT_FUNC_TRACE();
1825 /* Let PF make the BGX's RX and TX switches to OFF position */
1826 nicvf_mbox_shutdown(nic);
1829 /* Disable VLAN Strip */
1830 nicvf_vlan_hw_strip(nic, 0);
1832 /* Get queue ranges for this VF */
1833 nicvf_tx_range(dev, nic, &tx_start, &tx_end);
1835 for (qidx = tx_start; qidx <= tx_end; qidx++)
1836 nicvf_vf_stop_tx_queue(dev, nic, qidx % MAX_SND_QUEUES_PER_QS);
1838 /* Get queue ranges for this VF */
1839 nicvf_rx_range(dev, nic, &rx_start, &rx_end);
1842 for (qidx = rx_start; qidx <= rx_end; qidx++)
1843 nicvf_vf_stop_rx_queue(dev, nic, qidx % MAX_RCV_QUEUES_PER_QS);
1846 ret = nicvf_qset_rbdr_reclaim(nic, 0);
1848 PMD_INIT_LOG(ERR, "Failed to reclaim RBDR %d", ret);
1850 /* Move all charged buffers in RBDR back to pool */
1851 if (nic->rbdr != NULL)
1852 nicvf_rbdr_release_mbufs(dev, nic);
1855 ret = nicvf_qset_reclaim(nic);
1857 PMD_INIT_LOG(ERR, "Failed to disable qset %d", ret);
1859 /* Disable all interrupts */
1860 nicvf_disable_all_interrupts(nic);
1862 /* Free RBDR SW structure */
1864 rte_free(nic->rbdr);
1870 nicvf_dev_close(struct rte_eth_dev *dev)
1873 struct nicvf *nic = nicvf_pmd_priv(dev);
1875 PMD_INIT_FUNC_TRACE();
1877 nicvf_dev_stop_cleanup(dev, true);
1878 nicvf_periodic_alarm_stop(nicvf_interrupt, dev);
1880 for (i = 0; i < nic->sqs_count; i++) {
1881 if (!nic->snicvf[i])
1884 nicvf_periodic_alarm_stop(nicvf_vf_interrupt, nic->snicvf[i]);
1889 nicvf_request_sqs(struct nicvf *nic)
1893 assert_primary(nic);
1894 assert(nic->sqs_count > 0);
1895 assert(nic->sqs_count <= MAX_SQS_PER_VF);
1897 /* Set no of Rx/Tx queues in each of the SQsets */
1898 for (i = 0; i < nic->sqs_count; i++) {
1899 if (nicvf_svf_empty())
1900 rte_panic("Cannot assign sufficient number of "
1901 "secondary queues to primary VF%" PRIu8 "\n",
1904 nic->snicvf[i] = nicvf_svf_pop();
1905 nic->snicvf[i]->sqs_id = i;
1908 return nicvf_mbox_request_sqs(nic);
1912 nicvf_dev_configure(struct rte_eth_dev *dev)
1914 struct rte_eth_dev_data *data = dev->data;
1915 struct rte_eth_conf *conf = &data->dev_conf;
1916 struct rte_eth_rxmode *rxmode = &conf->rxmode;
1917 struct rte_eth_txmode *txmode = &conf->txmode;
1918 struct nicvf *nic = nicvf_pmd_priv(dev);
1921 PMD_INIT_FUNC_TRACE();
1923 if (!rte_eal_has_hugepages()) {
1924 PMD_INIT_LOG(INFO, "Huge page is not configured");
1928 if (txmode->mq_mode) {
1929 PMD_INIT_LOG(INFO, "Tx mq_mode DCB or VMDq not supported");
1933 if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
1934 rxmode->mq_mode != ETH_MQ_RX_RSS) {
1935 PMD_INIT_LOG(INFO, "Unsupported rx qmode %d", rxmode->mq_mode);
1939 if (rxmode->split_hdr_size) {
1940 PMD_INIT_LOG(INFO, "Rxmode does not support split header");
1944 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
1945 PMD_INIT_LOG(INFO, "Setting link speed/duplex not supported");
1949 if (conf->dcb_capability_en) {
1950 PMD_INIT_LOG(INFO, "DCB enable not supported");
1954 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
1955 PMD_INIT_LOG(INFO, "Flow director not supported");
1959 assert_primary(nic);
1960 NICVF_STATIC_ASSERT(MAX_RCV_QUEUES_PER_QS == MAX_SND_QUEUES_PER_QS);
1961 cqcount = RTE_MAX(data->nb_tx_queues, data->nb_rx_queues);
1962 if (cqcount > MAX_RCV_QUEUES_PER_QS) {
1963 nic->sqs_count = RTE_ALIGN_CEIL(cqcount, MAX_RCV_QUEUES_PER_QS);
1964 nic->sqs_count = (nic->sqs_count / MAX_RCV_QUEUES_PER_QS) - 1;
1969 assert(nic->sqs_count <= MAX_SQS_PER_VF);
1971 if (nic->sqs_count > 0) {
1972 if (nicvf_request_sqs(nic)) {
1973 rte_panic("Cannot assign sufficient number of "
1974 "secondary queues to PORT%d VF%" PRIu8 "\n",
1975 dev->data->port_id, nic->vf_id);
1979 if (rxmode->offloads & DEV_RX_OFFLOAD_CHECKSUM)
1980 nic->offload_cksum = 1;
1982 PMD_INIT_LOG(DEBUG, "Configured ethdev port%d hwcap=0x%" PRIx64,
1983 dev->data->port_id, nicvf_hw_cap(nic));
1988 /* Initialize and register driver with DPDK Application */
1989 static const struct eth_dev_ops nicvf_eth_dev_ops = {
1990 .dev_configure = nicvf_dev_configure,
1991 .dev_start = nicvf_dev_start,
1992 .dev_stop = nicvf_dev_stop,
1993 .link_update = nicvf_dev_link_update,
1994 .dev_close = nicvf_dev_close,
1995 .stats_get = nicvf_dev_stats_get,
1996 .stats_reset = nicvf_dev_stats_reset,
1997 .promiscuous_enable = nicvf_dev_promisc_enable,
1998 .dev_infos_get = nicvf_dev_info_get,
1999 .dev_supported_ptypes_get = nicvf_dev_supported_ptypes_get,
2000 .mtu_set = nicvf_dev_set_mtu,
2001 .vlan_offload_set = nicvf_vlan_offload_set,
2002 .reta_update = nicvf_dev_reta_update,
2003 .reta_query = nicvf_dev_reta_query,
2004 .rss_hash_update = nicvf_dev_rss_hash_update,
2005 .rss_hash_conf_get = nicvf_dev_rss_hash_conf_get,
2006 .rx_queue_start = nicvf_dev_rx_queue_start,
2007 .rx_queue_stop = nicvf_dev_rx_queue_stop,
2008 .tx_queue_start = nicvf_dev_tx_queue_start,
2009 .tx_queue_stop = nicvf_dev_tx_queue_stop,
2010 .rx_queue_setup = nicvf_dev_rx_queue_setup,
2011 .rx_queue_release = nicvf_dev_rx_queue_release,
2012 .rx_queue_count = nicvf_dev_rx_queue_count,
2013 .tx_queue_setup = nicvf_dev_tx_queue_setup,
2014 .tx_queue_release = nicvf_dev_tx_queue_release,
2015 .get_reg = nicvf_dev_get_regs,
2019 nicvf_vlan_offload_config(struct rte_eth_dev *dev, int mask)
2021 struct rte_eth_rxmode *rxmode;
2022 struct nicvf *nic = nicvf_pmd_priv(dev);
2023 rxmode = &dev->data->dev_conf.rxmode;
2024 if (mask & ETH_VLAN_STRIP_MASK) {
2025 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2026 nicvf_vlan_hw_strip(nic, true);
2028 nicvf_vlan_hw_strip(nic, false);
2035 nicvf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
2037 nicvf_vlan_offload_config(dev, mask);
2043 nicvf_set_first_skip(struct rte_eth_dev *dev)
2045 int bytes_to_skip = 0;
2048 struct rte_kvargs *kvlist;
2049 static const char *const skip[] = {
2052 struct nicvf *nic = nicvf_pmd_priv(dev);
2054 if (!dev->device->devargs) {
2055 nicvf_first_skip_config(nic, 0);
2059 kvlist = rte_kvargs_parse(dev->device->devargs->args, skip);
2063 if (kvlist->count == 0)
2066 for (i = 0; i != kvlist->count; ++i) {
2067 const struct rte_kvargs_pair *pair = &kvlist->pairs[i];
2069 if (!strcmp(pair->key, SKIP_DATA_BYTES))
2070 bytes_to_skip = atoi(pair->value);
2073 /*128 bytes amounts to one cache line*/
2074 if (bytes_to_skip >= 0 && bytes_to_skip < 128) {
2075 if (!(bytes_to_skip % 8)) {
2076 nicvf_first_skip_config(nic, (bytes_to_skip / 8));
2077 nic->skip_bytes = bytes_to_skip;
2080 PMD_INIT_LOG(ERR, "skip_data_bytes should be multiple of 8");
2085 PMD_INIT_LOG(ERR, "skip_data_bytes should be less than 128");
2090 nicvf_first_skip_config(nic, 0);
2092 rte_kvargs_free(kvlist);
2096 nicvf_eth_dev_uninit(struct rte_eth_dev *dev)
2098 PMD_INIT_FUNC_TRACE();
2100 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
2101 nicvf_dev_close(dev);
2106 nicvf_eth_dev_init(struct rte_eth_dev *eth_dev)
2109 struct rte_pci_device *pci_dev;
2110 struct nicvf *nic = nicvf_pmd_priv(eth_dev);
2112 PMD_INIT_FUNC_TRACE();
2114 eth_dev->dev_ops = &nicvf_eth_dev_ops;
2116 /* For secondary processes, the primary has done all the work */
2117 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2119 /* Setup callbacks for secondary process */
2120 nicvf_set_tx_function(eth_dev);
2121 nicvf_set_rx_function(eth_dev);
2124 /* If nic == NULL than it is secondary function
2125 * so ethdev need to be released by caller */
2130 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2131 rte_eth_copy_pci_info(eth_dev, pci_dev);
2133 nic->device_id = pci_dev->id.device_id;
2134 nic->vendor_id = pci_dev->id.vendor_id;
2135 nic->subsystem_device_id = pci_dev->id.subsystem_device_id;
2136 nic->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
2138 PMD_INIT_LOG(DEBUG, "nicvf: device (%x:%x) %u:%u:%u:%u",
2139 pci_dev->id.vendor_id, pci_dev->id.device_id,
2140 pci_dev->addr.domain, pci_dev->addr.bus,
2141 pci_dev->addr.devid, pci_dev->addr.function);
2143 nic->reg_base = (uintptr_t)pci_dev->mem_resource[0].addr;
2144 if (!nic->reg_base) {
2145 PMD_INIT_LOG(ERR, "Failed to map BAR0");
2150 nicvf_disable_all_interrupts(nic);
2152 ret = nicvf_periodic_alarm_start(nicvf_interrupt, eth_dev);
2154 PMD_INIT_LOG(ERR, "Failed to start period alarm");
2158 ret = nicvf_mbox_check_pf_ready(nic);
2160 PMD_INIT_LOG(ERR, "Failed to get ready message from PF");
2164 "node=%d vf=%d mode=%s sqs=%s loopback_supported=%s",
2165 nic->node, nic->vf_id,
2166 nic->tns_mode == NIC_TNS_MODE ? "tns" : "tns-bypass",
2167 nic->sqs_mode ? "true" : "false",
2168 nic->loopback_supported ? "true" : "false"
2172 ret = nicvf_base_init(nic);
2174 PMD_INIT_LOG(ERR, "Failed to execute nicvf_base_init");
2178 if (nic->sqs_mode) {
2179 /* Push nic to stack of secondary vfs */
2180 nicvf_svf_push(nic);
2182 /* Steal nic pointer from the device for further reuse */
2183 eth_dev->data->dev_private = NULL;
2185 nicvf_periodic_alarm_stop(nicvf_interrupt, eth_dev);
2186 ret = nicvf_periodic_alarm_start(nicvf_vf_interrupt, nic);
2188 PMD_INIT_LOG(ERR, "Failed to start period alarm");
2192 /* Detach port by returning positive error number */
2196 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr",
2197 RTE_ETHER_ADDR_LEN, 0);
2198 if (eth_dev->data->mac_addrs == NULL) {
2199 PMD_INIT_LOG(ERR, "Failed to allocate memory for mac addr");
2203 if (rte_is_zero_ether_addr((struct rte_ether_addr *)nic->mac_addr))
2204 rte_eth_random_addr(&nic->mac_addr[0]);
2206 rte_ether_addr_copy((struct rte_ether_addr *)nic->mac_addr,
2207 ð_dev->data->mac_addrs[0]);
2209 ret = nicvf_mbox_set_mac_addr(nic, nic->mac_addr);
2211 PMD_INIT_LOG(ERR, "Failed to set mac addr");
2215 ret = nicvf_set_first_skip(eth_dev);
2217 PMD_INIT_LOG(ERR, "Failed to configure first skip");
2220 PMD_INIT_LOG(INFO, "Port %d (%x:%x) mac=%02x:%02x:%02x:%02x:%02x:%02x",
2221 eth_dev->data->port_id, nic->vendor_id, nic->device_id,
2222 nic->mac_addr[0], nic->mac_addr[1], nic->mac_addr[2],
2223 nic->mac_addr[3], nic->mac_addr[4], nic->mac_addr[5]);
2228 rte_free(eth_dev->data->mac_addrs);
2229 eth_dev->data->mac_addrs = NULL;
2231 nicvf_periodic_alarm_stop(nicvf_interrupt, eth_dev);
2236 static const struct rte_pci_id pci_id_nicvf_map[] = {
2238 .class_id = RTE_CLASS_ANY_ID,
2239 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2240 .device_id = PCI_DEVICE_ID_THUNDERX_CN88XX_PASS1_NICVF,
2241 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2242 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN88XX_PASS1_NICVF,
2245 .class_id = RTE_CLASS_ANY_ID,
2246 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2247 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2248 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2249 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN88XX_PASS2_NICVF,
2252 .class_id = RTE_CLASS_ANY_ID,
2253 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2254 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2255 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2256 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN81XX_NICVF,
2259 .class_id = RTE_CLASS_ANY_ID,
2260 .vendor_id = PCI_VENDOR_ID_CAVIUM,
2261 .device_id = PCI_DEVICE_ID_THUNDERX_NICVF,
2262 .subsystem_vendor_id = PCI_VENDOR_ID_CAVIUM,
2263 .subsystem_device_id = PCI_SUB_DEVICE_ID_CN83XX_NICVF,
2270 static int nicvf_eth_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2271 struct rte_pci_device *pci_dev)
2273 return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct nicvf),
2274 nicvf_eth_dev_init);
2277 static int nicvf_eth_pci_remove(struct rte_pci_device *pci_dev)
2279 return rte_eth_dev_pci_generic_remove(pci_dev, nicvf_eth_dev_uninit);
2282 static struct rte_pci_driver rte_nicvf_pmd = {
2283 .id_table = pci_id_nicvf_map,
2284 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_KEEP_MAPPED_RES |
2285 RTE_PCI_DRV_INTR_LSC,
2286 .probe = nicvf_eth_pci_probe,
2287 .remove = nicvf_eth_pci_remove,
2290 RTE_PMD_REGISTER_PCI(net_thunderx, rte_nicvf_pmd);
2291 RTE_PMD_REGISTER_PCI_TABLE(net_thunderx, pci_id_nicvf_map);
2292 RTE_PMD_REGISTER_KMOD_DEP(net_thunderx, "* igb_uio | uio_pci_generic | vfio-pci");
2293 RTE_PMD_REGISTER_PARAM_STRING(net_thunderx, SKIP_DATA_BYTES "=<int>");