1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
7 #include <rte_ethdev_pci.h>
9 #include <rte_malloc.h>
11 #include <rte_mbuf_pool_ops.h>
12 #include <rte_mempool.h>
14 #include "otx2_ethdev.h"
16 static inline uint64_t
17 nix_get_rx_offload_capa(struct otx2_eth_dev *dev)
19 uint64_t capa = NIX_RX_OFFLOAD_CAPA;
21 if (otx2_dev_is_vf(dev))
22 capa &= ~DEV_RX_OFFLOAD_TIMESTAMP;
27 static inline uint64_t
28 nix_get_tx_offload_capa(struct otx2_eth_dev *dev)
32 return NIX_TX_OFFLOAD_CAPA;
35 static const struct otx2_dev_ops otx2_dev_ops = {
36 .link_status_update = otx2_eth_dev_link_status_update,
37 .ptp_info_update = otx2_eth_dev_ptp_info_update
41 nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, uint32_t nb_txq)
43 struct otx2_mbox *mbox = dev->mbox;
44 struct nix_lf_alloc_req *req;
45 struct nix_lf_alloc_rsp *rsp;
48 req = otx2_mbox_alloc_msg_nix_lf_alloc(mbox);
52 /* XQE_SZ should be in Sync with NIX_CQ_ENTRY_SZ */
53 RTE_BUILD_BUG_ON(NIX_CQ_ENTRY_SZ != 128);
54 req->xqe_sz = NIX_XQESZ_W16;
55 req->rss_sz = dev->rss_info.rss_size;
56 req->rss_grps = NIX_RSS_GRPS;
57 req->npa_func = otx2_npa_pf_func_get();
58 req->sso_func = otx2_sso_pf_func_get();
59 req->rx_cfg = BIT_ULL(35 /* DIS_APAD */);
60 if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
61 DEV_RX_OFFLOAD_UDP_CKSUM)) {
62 req->rx_cfg |= BIT_ULL(37 /* CSUM_OL4 */);
63 req->rx_cfg |= BIT_ULL(36 /* CSUM_IL4 */);
65 req->rx_cfg |= BIT_ULL(32 /* DROP_RE */);
67 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
71 dev->sqb_size = rsp->sqb_size;
72 dev->tx_chan_base = rsp->tx_chan_base;
73 dev->rx_chan_base = rsp->rx_chan_base;
74 dev->rx_chan_cnt = rsp->rx_chan_cnt;
75 dev->tx_chan_cnt = rsp->tx_chan_cnt;
76 dev->lso_tsov4_idx = rsp->lso_tsov4_idx;
77 dev->lso_tsov6_idx = rsp->lso_tsov6_idx;
78 dev->lf_tx_stats = rsp->lf_tx_stats;
79 dev->lf_rx_stats = rsp->lf_rx_stats;
80 dev->cints = rsp->cints;
81 dev->qints = rsp->qints;
82 dev->npc_flow.channel = dev->rx_chan_base;
88 nix_lf_free(struct otx2_eth_dev *dev)
90 struct otx2_mbox *mbox = dev->mbox;
91 struct nix_lf_free_req *req;
92 struct ndc_sync_op *ndc_req;
95 /* Sync NDC-NIX for LF */
96 ndc_req = otx2_mbox_alloc_msg_ndc_sync_op(mbox);
97 ndc_req->nix_lf_tx_sync = 1;
98 ndc_req->nix_lf_rx_sync = 1;
99 rc = otx2_mbox_process(mbox);
101 otx2_err("Error on NDC-NIX-[TX, RX] LF sync, rc %d", rc);
103 req = otx2_mbox_alloc_msg_nix_lf_free(mbox);
104 /* Let AF driver free all this nix lf's
105 * NPC entries allocated using NPC MBOX.
109 return otx2_mbox_process(mbox);
113 otx2_cgx_rxtx_start(struct otx2_eth_dev *dev)
115 struct otx2_mbox *mbox = dev->mbox;
117 if (otx2_dev_is_vf(dev))
120 otx2_mbox_alloc_msg_cgx_start_rxtx(mbox);
122 return otx2_mbox_process(mbox);
126 otx2_cgx_rxtx_stop(struct otx2_eth_dev *dev)
128 struct otx2_mbox *mbox = dev->mbox;
130 if (otx2_dev_is_vf(dev))
133 otx2_mbox_alloc_msg_cgx_stop_rxtx(mbox);
135 return otx2_mbox_process(mbox);
139 npc_rx_enable(struct otx2_eth_dev *dev)
141 struct otx2_mbox *mbox = dev->mbox;
143 otx2_mbox_alloc_msg_nix_lf_start_rx(mbox);
145 return otx2_mbox_process(mbox);
149 npc_rx_disable(struct otx2_eth_dev *dev)
151 struct otx2_mbox *mbox = dev->mbox;
153 otx2_mbox_alloc_msg_nix_lf_stop_rx(mbox);
155 return otx2_mbox_process(mbox);
159 nix_cgx_start_link_event(struct otx2_eth_dev *dev)
161 struct otx2_mbox *mbox = dev->mbox;
163 if (otx2_dev_is_vf(dev))
166 otx2_mbox_alloc_msg_cgx_start_linkevents(mbox);
168 return otx2_mbox_process(mbox);
172 cgx_intlbk_enable(struct otx2_eth_dev *dev, bool en)
174 struct otx2_mbox *mbox = dev->mbox;
176 if (otx2_dev_is_vf(dev))
180 otx2_mbox_alloc_msg_cgx_intlbk_enable(mbox);
182 otx2_mbox_alloc_msg_cgx_intlbk_disable(mbox);
184 return otx2_mbox_process(mbox);
188 nix_cgx_stop_link_event(struct otx2_eth_dev *dev)
190 struct otx2_mbox *mbox = dev->mbox;
192 if (otx2_dev_is_vf(dev))
195 otx2_mbox_alloc_msg_cgx_stop_linkevents(mbox);
197 return otx2_mbox_process(mbox);
201 nix_rx_queue_reset(struct otx2_eth_rxq *rxq)
207 static inline uint32_t
208 nix_qsize_to_val(enum nix_q_size_e qsize)
210 return (16UL << (qsize * 2));
213 static inline enum nix_q_size_e
214 nix_qsize_clampup_get(struct otx2_eth_dev *dev, uint32_t val)
218 if (otx2_ethdev_fixup_is_min_4k_q(dev))
223 for (; i < nix_q_size_max; i++)
224 if (val <= nix_qsize_to_val(i))
227 if (i >= nix_q_size_max)
228 i = nix_q_size_max - 1;
234 nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev,
235 uint16_t qid, struct otx2_eth_rxq *rxq, struct rte_mempool *mp)
237 struct otx2_mbox *mbox = dev->mbox;
238 const struct rte_memzone *rz;
239 uint32_t ring_size, cq_size;
240 struct nix_aq_enq_req *aq;
245 ring_size = cq_size * NIX_CQ_ENTRY_SZ;
246 rz = rte_eth_dma_zone_reserve(eth_dev, "cq", qid, ring_size,
247 NIX_CQ_ALIGN, dev->node);
249 otx2_err("Failed to allocate mem for cq hw ring");
253 memset(rz->addr, 0, rz->len);
254 rxq->desc = (uintptr_t)rz->addr;
255 rxq->qmask = cq_size - 1;
257 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
259 aq->ctype = NIX_AQ_CTYPE_CQ;
260 aq->op = NIX_AQ_INSTOP_INIT;
264 aq->cq.qsize = rxq->qsize;
265 aq->cq.base = rz->iova;
266 aq->cq.avg_level = 0xff;
267 aq->cq.cq_err_int_ena = BIT(NIX_CQERRINT_CQE_FAULT);
268 aq->cq.cq_err_int_ena |= BIT(NIX_CQERRINT_DOOR_ERR);
270 /* Many to one reduction */
271 aq->cq.qint_idx = qid % dev->qints;
272 /* Map CQ0 [RQ0] to CINT0 and so on till max 64 irqs */
273 aq->cq.cint_idx = qid;
275 if (otx2_ethdev_fixup_is_limit_cq_full(dev)) {
276 const float rx_cq_skid = NIX_CQ_FULL_ERRATA_SKID;
277 uint16_t min_rx_drop;
279 min_rx_drop = ceil(rx_cq_skid / (float)cq_size);
280 aq->cq.drop = min_rx_drop;
282 rxq->cq_drop = min_rx_drop;
284 rxq->cq_drop = NIX_CQ_THRESH_LEVEL;
285 aq->cq.drop = rxq->cq_drop;
289 /* TX pause frames enable flowctrl on RX side */
290 if (dev->fc_info.tx_pause) {
291 /* Single bpid is allocated for all rx channels for now */
292 aq->cq.bpid = dev->fc_info.bpid[0];
293 aq->cq.bp = rxq->cq_drop;
297 rc = otx2_mbox_process(mbox);
299 otx2_err("Failed to init cq context");
303 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
305 aq->ctype = NIX_AQ_CTYPE_RQ;
306 aq->op = NIX_AQ_INSTOP_INIT;
309 aq->rq.cq = qid; /* RQ to CQ 1:1 mapped */
311 aq->rq.lpb_aura = npa_lf_aura_handle_to_aura(mp->pool_id);
312 first_skip = (sizeof(struct rte_mbuf));
313 first_skip += RTE_PKTMBUF_HEADROOM;
314 first_skip += rte_pktmbuf_priv_size(mp);
315 rxq->data_off = first_skip;
317 first_skip /= 8; /* Expressed in number of dwords */
318 aq->rq.first_skip = first_skip;
319 aq->rq.later_skip = (sizeof(struct rte_mbuf) / 8);
320 aq->rq.flow_tagw = 32; /* 32-bits */
321 aq->rq.lpb_sizem1 = rte_pktmbuf_data_room_size(mp);
322 aq->rq.lpb_sizem1 += rte_pktmbuf_priv_size(mp);
323 aq->rq.lpb_sizem1 += sizeof(struct rte_mbuf);
324 aq->rq.lpb_sizem1 /= 8;
325 aq->rq.lpb_sizem1 -= 1; /* Expressed in size minus one */
327 aq->rq.pb_caching = 0x2; /* First cache aligned block to LLC */
328 aq->rq.xqe_imm_size = 0; /* No pkt data copy to CQE */
329 aq->rq.rq_int_ena = 0;
330 /* Many to one reduction */
331 aq->rq.qint_idx = qid % dev->qints;
333 aq->rq.xqe_drop_ena = 1;
335 rc = otx2_mbox_process(mbox);
337 otx2_err("Failed to init rq context");
347 nix_rq_enb_dis(struct rte_eth_dev *eth_dev,
348 struct otx2_eth_rxq *rxq, const bool enb)
350 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
351 struct otx2_mbox *mbox = dev->mbox;
352 struct nix_aq_enq_req *aq;
354 /* Pkts will be dropped silently if RQ is disabled */
355 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
357 aq->ctype = NIX_AQ_CTYPE_RQ;
358 aq->op = NIX_AQ_INSTOP_WRITE;
361 aq->rq_mask.ena = ~(aq->rq_mask.ena);
363 return otx2_mbox_process(mbox);
367 nix_cq_rq_uninit(struct rte_eth_dev *eth_dev, struct otx2_eth_rxq *rxq)
369 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
370 struct otx2_mbox *mbox = dev->mbox;
371 struct nix_aq_enq_req *aq;
374 /* RQ is already disabled */
376 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
378 aq->ctype = NIX_AQ_CTYPE_CQ;
379 aq->op = NIX_AQ_INSTOP_WRITE;
382 aq->cq_mask.ena = ~(aq->cq_mask.ena);
384 rc = otx2_mbox_process(mbox);
386 otx2_err("Failed to disable cq context");
394 nix_get_data_off(struct otx2_eth_dev *dev)
396 return otx2_ethdev_is_ptp_en(dev) ? NIX_TIMESYNC_RX_OFFSET : 0;
400 otx2_nix_rxq_mbuf_setup(struct otx2_eth_dev *dev, uint16_t port_id)
402 struct rte_mbuf mb_def;
405 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) % 8 != 0);
406 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, refcnt) -
407 offsetof(struct rte_mbuf, data_off) != 2);
408 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, nb_segs) -
409 offsetof(struct rte_mbuf, data_off) != 4);
410 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, port) -
411 offsetof(struct rte_mbuf, data_off) != 6);
413 mb_def.data_off = RTE_PKTMBUF_HEADROOM + nix_get_data_off(dev);
414 mb_def.port = port_id;
415 rte_mbuf_refcnt_set(&mb_def, 1);
417 /* Prevent compiler reordering: rearm_data covers previous fields */
418 rte_compiler_barrier();
419 tmp = (uint64_t *)&mb_def.rearm_data;
425 otx2_nix_rx_queue_release(void *rx_queue)
427 struct otx2_eth_rxq *rxq = rx_queue;
432 otx2_nix_dbg("Releasing rxq %u", rxq->rq);
433 nix_cq_rq_uninit(rxq->eth_dev, rxq);
438 otx2_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t rq,
439 uint16_t nb_desc, unsigned int socket,
440 const struct rte_eth_rxconf *rx_conf,
441 struct rte_mempool *mp)
443 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
444 struct rte_mempool_ops *ops;
445 struct otx2_eth_rxq *rxq;
446 const char *platform_ops;
447 enum nix_q_size_e qsize;
453 /* Compile time check to make sure all fast path elements in a CL */
454 RTE_BUILD_BUG_ON(offsetof(struct otx2_eth_rxq, slow_path_start) >= 128);
457 if (rx_conf->rx_deferred_start == 1) {
458 otx2_err("Deferred Rx start is not supported");
462 platform_ops = rte_mbuf_platform_mempool_ops();
463 /* This driver needs octeontx2_npa mempool ops to work */
464 ops = rte_mempool_get_ops(mp->ops_index);
465 if (strncmp(ops->name, platform_ops, RTE_MEMPOOL_OPS_NAMESIZE)) {
466 otx2_err("mempool ops should be of octeontx2_npa type");
470 if (mp->pool_id == 0) {
471 otx2_err("Invalid pool_id");
475 /* Free memory prior to re-allocation if needed */
476 if (eth_dev->data->rx_queues[rq] != NULL) {
477 otx2_nix_dbg("Freeing memory prior to re-allocation %d", rq);
478 otx2_nix_rx_queue_release(eth_dev->data->rx_queues[rq]);
479 eth_dev->data->rx_queues[rq] = NULL;
482 offloads = rx_conf->offloads | eth_dev->data->dev_conf.rxmode.offloads;
483 dev->rx_offloads |= offloads;
485 /* Find the CQ queue size */
486 qsize = nix_qsize_clampup_get(dev, nb_desc);
487 /* Allocate rxq memory */
488 rxq = rte_zmalloc_socket("otx2 rxq", sizeof(*rxq), OTX2_ALIGN, socket);
490 otx2_err("Failed to allocate rq=%d", rq);
495 rxq->eth_dev = eth_dev;
497 rxq->cq_door = dev->base + NIX_LF_CQ_OP_DOOR;
498 rxq->cq_status = (int64_t *)(dev->base + NIX_LF_CQ_OP_STATUS);
499 rxq->wdata = (uint64_t)rq << 32;
500 rxq->aura = npa_lf_aura_handle_to_aura(mp->pool_id);
501 rxq->mbuf_initializer = otx2_nix_rxq_mbuf_setup(dev,
502 eth_dev->data->port_id);
503 rxq->offloads = offloads;
505 rxq->qlen = nix_qsize_to_val(qsize);
507 rxq->lookup_mem = otx2_nix_fastpath_lookup_mem_get();
508 rxq->tstamp = &dev->tstamp;
510 /* Alloc completion queue */
511 rc = nix_cq_rq_init(eth_dev, dev, rq, rxq, mp);
513 otx2_err("Failed to allocate rxq=%u", rq);
517 rxq->qconf.socket_id = socket;
518 rxq->qconf.nb_desc = nb_desc;
519 rxq->qconf.mempool = mp;
520 memcpy(&rxq->qconf.conf.rx, rx_conf, sizeof(struct rte_eth_rxconf));
522 nix_rx_queue_reset(rxq);
523 otx2_nix_dbg("rq=%d pool=%s qsize=%d nb_desc=%d->%d",
524 rq, mp->name, qsize, nb_desc, rxq->qlen);
526 eth_dev->data->rx_queues[rq] = rxq;
527 eth_dev->data->rx_queue_state[rq] = RTE_ETH_QUEUE_STATE_STOPPED;
529 /* Calculating delta and freq mult between PTP HI clock and tsc.
530 * These are needed in deriving raw clock value from tsc counter.
531 * read_clock eth op returns raw clock value.
533 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
534 otx2_ethdev_is_ptp_en(dev)) {
535 rc = otx2_nix_raw_clock_tsc_conv(dev);
537 otx2_err("Failed to calculate delta and freq mult");
545 otx2_nix_rx_queue_release(rxq);
550 static inline uint8_t
551 nix_sq_max_sqe_sz(struct otx2_eth_txq *txq)
554 * Maximum three segments can be supported with W8, Choose
555 * NIX_MAXSQESZ_W16 for multi segment offload.
557 if (txq->offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
558 return NIX_MAXSQESZ_W16;
560 return NIX_MAXSQESZ_W8;
564 nix_rx_offload_flags(struct rte_eth_dev *eth_dev)
566 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
567 struct rte_eth_dev_data *data = eth_dev->data;
568 struct rte_eth_conf *conf = &data->dev_conf;
569 struct rte_eth_rxmode *rxmode = &conf->rxmode;
572 if (rxmode->mq_mode == ETH_MQ_RX_RSS)
573 flags |= NIX_RX_OFFLOAD_RSS_F;
575 if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
576 DEV_RX_OFFLOAD_UDP_CKSUM))
577 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
579 if (dev->rx_offloads & (DEV_RX_OFFLOAD_IPV4_CKSUM |
580 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
581 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
583 if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER)
584 flags |= NIX_RX_MULTI_SEG_F;
586 if (dev->rx_offloads & (DEV_RX_OFFLOAD_VLAN_STRIP |
587 DEV_RX_OFFLOAD_QINQ_STRIP))
588 flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F;
590 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
591 flags |= NIX_RX_OFFLOAD_TSTAMP_F;
597 nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
599 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
600 uint64_t conf = dev->tx_offloads;
603 /* Fastpath is dependent on these enums */
604 RTE_BUILD_BUG_ON(PKT_TX_TCP_CKSUM != (1ULL << 52));
605 RTE_BUILD_BUG_ON(PKT_TX_SCTP_CKSUM != (2ULL << 52));
606 RTE_BUILD_BUG_ON(PKT_TX_UDP_CKSUM != (3ULL << 52));
607 RTE_BUILD_BUG_ON(PKT_TX_IP_CKSUM != (1ULL << 54));
608 RTE_BUILD_BUG_ON(PKT_TX_IPV4 != (1ULL << 55));
609 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IP_CKSUM != (1ULL << 58));
610 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV4 != (1ULL << 59));
611 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV6 != (1ULL << 60));
612 RTE_BUILD_BUG_ON(PKT_TX_OUTER_UDP_CKSUM != (1ULL << 41));
613 RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7);
614 RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9);
615 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7);
616 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9);
617 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) !=
618 offsetof(struct rte_mbuf, buf_iova) + 8);
619 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
620 offsetof(struct rte_mbuf, buf_iova) + 16);
621 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
622 offsetof(struct rte_mbuf, ol_flags) + 12);
623 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) !=
624 offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *));
626 if (conf & DEV_TX_OFFLOAD_VLAN_INSERT ||
627 conf & DEV_TX_OFFLOAD_QINQ_INSERT)
628 flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
630 if (conf & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
631 conf & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
632 flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F;
634 if (conf & DEV_TX_OFFLOAD_IPV4_CKSUM ||
635 conf & DEV_TX_OFFLOAD_TCP_CKSUM ||
636 conf & DEV_TX_OFFLOAD_UDP_CKSUM ||
637 conf & DEV_TX_OFFLOAD_SCTP_CKSUM)
638 flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F;
640 if (!(conf & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
641 flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F;
643 if (conf & DEV_TX_OFFLOAD_MULTI_SEGS)
644 flags |= NIX_TX_MULTI_SEG_F;
646 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
647 flags |= NIX_TX_OFFLOAD_TSTAMP_F;
653 nix_sq_init(struct otx2_eth_txq *txq)
655 struct otx2_eth_dev *dev = txq->dev;
656 struct otx2_mbox *mbox = dev->mbox;
657 struct nix_aq_enq_req *sq;
662 if (txq->sqb_pool->pool_id == 0)
665 rc = otx2_nix_tm_get_leaf_data(dev, txq->sq, &rr_quantum, &smq);
667 otx2_err("Failed to get sq->smq(leaf node), rc=%d", rc);
671 sq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
673 sq->ctype = NIX_AQ_CTYPE_SQ;
674 sq->op = NIX_AQ_INSTOP_INIT;
675 sq->sq.max_sqe_size = nix_sq_max_sqe_sz(txq);
678 sq->sq.smq_rr_quantum = rr_quantum;
679 sq->sq.default_chan = dev->tx_chan_base;
680 sq->sq.sqe_stype = NIX_STYPE_STF;
682 if (sq->sq.max_sqe_size == NIX_MAXSQESZ_W8)
683 sq->sq.sqe_stype = NIX_STYPE_STP;
685 npa_lf_aura_handle_to_aura(txq->sqb_pool->pool_id);
686 sq->sq.sq_int_ena = BIT(NIX_SQINT_LMT_ERR);
687 sq->sq.sq_int_ena |= BIT(NIX_SQINT_SQB_ALLOC_FAIL);
688 sq->sq.sq_int_ena |= BIT(NIX_SQINT_SEND_ERR);
689 sq->sq.sq_int_ena |= BIT(NIX_SQINT_MNQ_ERR);
691 /* Many to one reduction */
692 sq->sq.qint_idx = txq->sq % dev->qints;
694 return otx2_mbox_process(mbox);
698 nix_sq_uninit(struct otx2_eth_txq *txq)
700 struct otx2_eth_dev *dev = txq->dev;
701 struct otx2_mbox *mbox = dev->mbox;
702 struct ndc_sync_op *ndc_req;
703 struct nix_aq_enq_rsp *rsp;
704 struct nix_aq_enq_req *aq;
705 uint16_t sqes_per_sqb;
709 otx2_nix_dbg("Cleaning up sq %u", txq->sq);
711 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
713 aq->ctype = NIX_AQ_CTYPE_SQ;
714 aq->op = NIX_AQ_INSTOP_READ;
716 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
720 /* Check if sq is already cleaned up */
725 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
727 aq->ctype = NIX_AQ_CTYPE_SQ;
728 aq->op = NIX_AQ_INSTOP_WRITE;
730 aq->sq_mask.ena = ~aq->sq_mask.ena;
733 rc = otx2_mbox_process(mbox);
737 /* Read SQ and free sqb's */
738 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
740 aq->ctype = NIX_AQ_CTYPE_SQ;
741 aq->op = NIX_AQ_INSTOP_READ;
743 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
748 otx2_err("SQ has pending sqe's");
750 count = aq->sq.sqb_count;
751 sqes_per_sqb = 1 << txq->sqes_per_sqb_log2;
752 /* Free SQB's that are used */
753 sqb_buf = (void *)rsp->sq.head_sqb;
757 next_sqb = *(void **)((uintptr_t)sqb_buf + (uint32_t)
758 ((sqes_per_sqb - 1) *
759 nix_sq_max_sqe_sz(txq)));
760 npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1,
766 /* Free next to use sqb */
767 if (rsp->sq.next_sqb)
768 npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1,
771 /* Sync NDC-NIX-TX for LF */
772 ndc_req = otx2_mbox_alloc_msg_ndc_sync_op(mbox);
773 ndc_req->nix_lf_tx_sync = 1;
774 rc = otx2_mbox_process(mbox);
776 otx2_err("Error on NDC-NIX-TX LF sync, rc %d", rc);
782 nix_sqb_aura_limit_cfg(struct rte_mempool *mp, uint16_t nb_sqb_bufs)
784 struct otx2_npa_lf *npa_lf = otx2_intra_dev_get_cfg()->npa_lf;
785 struct npa_aq_enq_req *aura_req;
787 aura_req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
788 aura_req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
789 aura_req->ctype = NPA_AQ_CTYPE_AURA;
790 aura_req->op = NPA_AQ_INSTOP_WRITE;
792 aura_req->aura.limit = nb_sqb_bufs;
793 aura_req->aura_mask.limit = ~(aura_req->aura_mask.limit);
795 return otx2_mbox_process(npa_lf->mbox);
799 nix_alloc_sqb_pool(int port, struct otx2_eth_txq *txq, uint16_t nb_desc)
801 struct otx2_eth_dev *dev = txq->dev;
802 uint16_t sqes_per_sqb, nb_sqb_bufs;
803 char name[RTE_MEMPOOL_NAMESIZE];
804 struct rte_mempool_objsz sz;
805 struct npa_aura_s *aura;
806 uint32_t tmp, blk_sz;
808 aura = (struct npa_aura_s *)((uintptr_t)txq->fc_mem + OTX2_ALIGN);
809 snprintf(name, sizeof(name), "otx2_sqb_pool_%d_%d", port, txq->sq);
810 blk_sz = dev->sqb_size;
812 if (nix_sq_max_sqe_sz(txq) == NIX_MAXSQESZ_W16)
813 sqes_per_sqb = (dev->sqb_size / 8) / 16;
815 sqes_per_sqb = (dev->sqb_size / 8) / 8;
817 nb_sqb_bufs = nb_desc / sqes_per_sqb;
818 /* Clamp up to devarg passed SQB count */
819 nb_sqb_bufs = RTE_MIN(dev->max_sqb_count, RTE_MAX(NIX_DEF_SQB,
820 nb_sqb_bufs + NIX_SQB_LIST_SPACE));
822 txq->sqb_pool = rte_mempool_create_empty(name, NIX_MAX_SQB, blk_sz,
824 MEMPOOL_F_NO_SPREAD);
825 txq->nb_sqb_bufs = nb_sqb_bufs;
826 txq->sqes_per_sqb_log2 = (uint16_t)rte_log2_u32(sqes_per_sqb);
827 txq->nb_sqb_bufs_adj = nb_sqb_bufs -
828 RTE_ALIGN_MUL_CEIL(nb_sqb_bufs, sqes_per_sqb) / sqes_per_sqb;
829 txq->nb_sqb_bufs_adj =
830 (NIX_SQB_LOWER_THRESH * txq->nb_sqb_bufs_adj) / 100;
832 if (txq->sqb_pool == NULL) {
833 otx2_err("Failed to allocate sqe mempool");
837 memset(aura, 0, sizeof(*aura));
839 aura->fc_addr = txq->fc_iova;
840 aura->fc_hyst_bits = 0; /* Store count on all updates */
841 if (rte_mempool_set_ops_byname(txq->sqb_pool, "octeontx2_npa", aura)) {
842 otx2_err("Failed to set ops for sqe mempool");
845 if (rte_mempool_populate_default(txq->sqb_pool) < 0) {
846 otx2_err("Failed to populate sqe mempool");
850 tmp = rte_mempool_calc_obj_size(blk_sz, MEMPOOL_F_NO_SPREAD, &sz);
851 if (dev->sqb_size != sz.elt_size) {
852 otx2_err("sqe pool block size is not expected %d != %d",
857 nix_sqb_aura_limit_cfg(txq->sqb_pool, txq->nb_sqb_bufs);
865 otx2_nix_form_default_desc(struct otx2_eth_txq *txq)
867 struct nix_send_ext_s *send_hdr_ext;
868 struct nix_send_hdr_s *send_hdr;
869 struct nix_send_mem_s *send_mem;
870 union nix_send_sg_s *sg;
872 /* Initialize the fields based on basic single segment packet */
873 memset(&txq->cmd, 0, sizeof(txq->cmd));
875 if (txq->dev->tx_offload_flags & NIX_TX_NEED_EXT_HDR) {
876 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
877 /* 2(HDR) + 2(EXT_HDR) + 1(SG) + 1(IOVA) = 6/2 - 1 = 2 */
878 send_hdr->w0.sizem1 = 2;
880 send_hdr_ext = (struct nix_send_ext_s *)&txq->cmd[2];
881 send_hdr_ext->w0.subdc = NIX_SUBDC_EXT;
882 if (txq->dev->tx_offload_flags & NIX_TX_OFFLOAD_TSTAMP_F) {
883 /* Default: one seg packet would have:
884 * 2(HDR) + 2(EXT) + 1(SG) + 1(IOVA) + 2(MEM)
887 send_hdr->w0.sizem1 = 3;
888 send_hdr_ext->w0.tstmp = 1;
890 /* To calculate the offset for send_mem,
891 * send_hdr->w0.sizem1 * 2
893 send_mem = (struct nix_send_mem_s *)(txq->cmd +
894 (send_hdr->w0.sizem1 << 1));
895 send_mem->subdc = NIX_SUBDC_MEM;
896 send_mem->alg = NIX_SENDMEMALG_SETTSTMP;
897 send_mem->addr = txq->dev->tstamp.tx_tstamp_iova;
899 sg = (union nix_send_sg_s *)&txq->cmd[4];
901 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
902 /* 2(HDR) + 1(SG) + 1(IOVA) = 4/2 - 1 = 1 */
903 send_hdr->w0.sizem1 = 1;
904 sg = (union nix_send_sg_s *)&txq->cmd[2];
907 send_hdr->w0.sq = txq->sq;
908 sg->subdc = NIX_SUBDC_SG;
910 sg->ld_type = NIX_SENDLDTYPE_LDD;
916 otx2_nix_tx_queue_release(void *_txq)
918 struct otx2_eth_txq *txq = _txq;
919 struct rte_eth_dev *eth_dev;
924 eth_dev = txq->dev->eth_dev;
926 otx2_nix_dbg("Releasing txq %u", txq->sq);
928 /* Flush and disable tm */
929 otx2_nix_tm_sw_xoff(txq, eth_dev->data->dev_started);
931 /* Free sqb's and disable sq */
935 rte_mempool_free(txq->sqb_pool);
936 txq->sqb_pool = NULL;
943 otx2_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t sq,
944 uint16_t nb_desc, unsigned int socket_id,
945 const struct rte_eth_txconf *tx_conf)
947 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
948 const struct rte_memzone *fc;
949 struct otx2_eth_txq *txq;
955 /* Compile time check to make sure all fast path elements in a CL */
956 RTE_BUILD_BUG_ON(offsetof(struct otx2_eth_txq, slow_path_start) >= 128);
958 if (tx_conf->tx_deferred_start) {
959 otx2_err("Tx deferred start is not supported");
963 /* Free memory prior to re-allocation if needed. */
964 if (eth_dev->data->tx_queues[sq] != NULL) {
965 otx2_nix_dbg("Freeing memory prior to re-allocation %d", sq);
966 otx2_nix_tx_queue_release(eth_dev->data->tx_queues[sq]);
967 eth_dev->data->tx_queues[sq] = NULL;
970 /* Find the expected offloads for this queue */
971 offloads = tx_conf->offloads | eth_dev->data->dev_conf.txmode.offloads;
973 /* Allocating tx queue data structure */
974 txq = rte_zmalloc_socket("otx2_ethdev TX queue", sizeof(*txq),
975 OTX2_ALIGN, socket_id);
977 otx2_err("Failed to alloc txq=%d", sq);
983 txq->sqb_pool = NULL;
984 txq->offloads = offloads;
985 dev->tx_offloads |= offloads;
988 * Allocate memory for flow control updates from HW.
989 * Alloc one cache line, so that fits all FC_STYPE modes.
991 fc = rte_eth_dma_zone_reserve(eth_dev, "fcmem", sq,
992 OTX2_ALIGN + sizeof(struct npa_aura_s),
993 OTX2_ALIGN, dev->node);
995 otx2_err("Failed to allocate mem for fcmem");
999 txq->fc_iova = fc->iova;
1000 txq->fc_mem = fc->addr;
1002 /* Initialize the aura sqb pool */
1003 rc = nix_alloc_sqb_pool(eth_dev->data->port_id, txq, nb_desc);
1005 otx2_err("Failed to alloc sqe pool rc=%d", rc);
1009 /* Initialize the SQ */
1010 rc = nix_sq_init(txq);
1012 otx2_err("Failed to init sq=%d context", sq);
1016 txq->fc_cache_pkts = 0;
1017 txq->io_addr = dev->base + NIX_LF_OP_SENDX(0);
1018 /* Evenly distribute LMT slot for each sq */
1019 txq->lmt_addr = (void *)(dev->lmt_addr + ((sq & LMT_SLOT_MASK) << 12));
1021 txq->qconf.socket_id = socket_id;
1022 txq->qconf.nb_desc = nb_desc;
1023 memcpy(&txq->qconf.conf.tx, tx_conf, sizeof(struct rte_eth_txconf));
1025 otx2_nix_form_default_desc(txq);
1027 otx2_nix_dbg("sq=%d fc=%p offload=0x%" PRIx64 " sqb=0x%" PRIx64 ""
1028 " lmt_addr=%p nb_sqb_bufs=%d sqes_per_sqb_log2=%d", sq,
1029 fc->addr, offloads, txq->sqb_pool->pool_id, txq->lmt_addr,
1030 txq->nb_sqb_bufs, txq->sqes_per_sqb_log2);
1031 eth_dev->data->tx_queues[sq] = txq;
1032 eth_dev->data->tx_queue_state[sq] = RTE_ETH_QUEUE_STATE_STOPPED;
1036 otx2_nix_tx_queue_release(txq);
1042 nix_store_queue_cfg_and_then_release(struct rte_eth_dev *eth_dev)
1044 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1045 struct otx2_eth_qconf *tx_qconf = NULL;
1046 struct otx2_eth_qconf *rx_qconf = NULL;
1047 struct otx2_eth_txq **txq;
1048 struct otx2_eth_rxq **rxq;
1049 int i, nb_rxq, nb_txq;
1051 nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues);
1052 nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues);
1054 tx_qconf = malloc(nb_txq * sizeof(*tx_qconf));
1055 if (tx_qconf == NULL) {
1056 otx2_err("Failed to allocate memory for tx_qconf");
1060 rx_qconf = malloc(nb_rxq * sizeof(*rx_qconf));
1061 if (rx_qconf == NULL) {
1062 otx2_err("Failed to allocate memory for rx_qconf");
1066 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1067 for (i = 0; i < nb_txq; i++) {
1068 if (txq[i] == NULL) {
1069 otx2_err("txq[%d] is already released", i);
1072 memcpy(&tx_qconf[i], &txq[i]->qconf, sizeof(*tx_qconf));
1073 otx2_nix_tx_queue_release(txq[i]);
1074 eth_dev->data->tx_queues[i] = NULL;
1077 rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues;
1078 for (i = 0; i < nb_rxq; i++) {
1079 if (rxq[i] == NULL) {
1080 otx2_err("rxq[%d] is already released", i);
1083 memcpy(&rx_qconf[i], &rxq[i]->qconf, sizeof(*rx_qconf));
1084 otx2_nix_rx_queue_release(rxq[i]);
1085 eth_dev->data->rx_queues[i] = NULL;
1088 dev->tx_qconf = tx_qconf;
1089 dev->rx_qconf = rx_qconf;
1102 nix_restore_queue_cfg(struct rte_eth_dev *eth_dev)
1104 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1105 struct otx2_eth_qconf *tx_qconf = dev->tx_qconf;
1106 struct otx2_eth_qconf *rx_qconf = dev->rx_qconf;
1107 struct otx2_eth_txq **txq;
1108 struct otx2_eth_rxq **rxq;
1109 int rc, i, nb_rxq, nb_txq;
1111 nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues);
1112 nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues);
1115 /* Setup tx & rx queues with previous configuration so
1116 * that the queues can be functional in cases like ports
1117 * are started without re configuring queues.
1119 * Usual re config sequence is like below:
1120 * port_configure() {
1125 * queue_configure() {
1132 * In some application's control path, queue_configure() would
1133 * NOT be invoked for TXQs/RXQs in port_configure().
1134 * In such cases, queues can be functional after start as the
1135 * queues are already setup in port_configure().
1137 for (i = 0; i < nb_txq; i++) {
1138 rc = otx2_nix_tx_queue_setup(eth_dev, i, tx_qconf[i].nb_desc,
1139 tx_qconf[i].socket_id,
1140 &tx_qconf[i].conf.tx);
1142 otx2_err("Failed to setup tx queue rc=%d", rc);
1143 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1144 for (i -= 1; i >= 0; i--)
1145 otx2_nix_tx_queue_release(txq[i]);
1150 free(tx_qconf); tx_qconf = NULL;
1152 for (i = 0; i < nb_rxq; i++) {
1153 rc = otx2_nix_rx_queue_setup(eth_dev, i, rx_qconf[i].nb_desc,
1154 rx_qconf[i].socket_id,
1155 &rx_qconf[i].conf.rx,
1156 rx_qconf[i].mempool);
1158 otx2_err("Failed to setup rx queue rc=%d", rc);
1159 rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues;
1160 for (i -= 1; i >= 0; i--)
1161 otx2_nix_rx_queue_release(rxq[i]);
1162 goto release_tx_queues;
1166 free(rx_qconf); rx_qconf = NULL;
1171 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1172 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
1173 otx2_nix_tx_queue_release(txq[i]);
1184 nix_eth_nop_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts)
1186 RTE_SET_USED(queue);
1187 RTE_SET_USED(mbufs);
1194 nix_set_nop_rxtx_function(struct rte_eth_dev *eth_dev)
1196 /* These dummy functions are required for supporting
1197 * some applications which reconfigure queues without
1198 * stopping tx burst and rx burst threads(eg kni app)
1199 * When the queues context is saved, txq/rxqs are released
1200 * which caused app crash since rx/tx burst is still
1201 * on different lcores
1203 eth_dev->tx_pkt_burst = nix_eth_nop_burst;
1204 eth_dev->rx_pkt_burst = nix_eth_nop_burst;
1209 otx2_nix_configure(struct rte_eth_dev *eth_dev)
1211 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1212 struct rte_eth_dev_data *data = eth_dev->data;
1213 struct rte_eth_conf *conf = &data->dev_conf;
1214 struct rte_eth_rxmode *rxmode = &conf->rxmode;
1215 struct rte_eth_txmode *txmode = &conf->txmode;
1216 char ea_fmt[RTE_ETHER_ADDR_FMT_SIZE];
1217 struct rte_ether_addr *ea;
1218 uint8_t nb_rxq, nb_txq;
1224 if (rte_eal_has_hugepages() == 0) {
1225 otx2_err("Huge page is not configured");
1226 goto fail_configure;
1229 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
1230 otx2_err("Setting link speed/duplex not supported");
1231 goto fail_configure;
1234 if (conf->dcb_capability_en == 1) {
1235 otx2_err("dcb enable is not supported");
1236 goto fail_configure;
1239 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
1240 otx2_err("Flow director is not supported");
1241 goto fail_configure;
1244 if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
1245 rxmode->mq_mode != ETH_MQ_RX_RSS) {
1246 otx2_err("Unsupported mq rx mode %d", rxmode->mq_mode);
1247 goto fail_configure;
1250 if (txmode->mq_mode != ETH_MQ_TX_NONE) {
1251 otx2_err("Unsupported mq tx mode %d", txmode->mq_mode);
1252 goto fail_configure;
1255 if (otx2_dev_is_Ax(dev) &&
1256 (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) &&
1257 ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
1258 (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) {
1259 otx2_err("Outer IP and SCTP checksum unsupported");
1260 goto fail_configure;
1263 /* Free the resources allocated from the previous configure */
1264 if (dev->configured == 1) {
1265 otx2_nix_rxchan_bpid_cfg(eth_dev, false);
1266 otx2_nix_vlan_fini(eth_dev);
1267 otx2_flow_free_all_resources(dev);
1268 oxt2_nix_unregister_queue_irqs(eth_dev);
1269 if (eth_dev->data->dev_conf.intr_conf.rxq)
1270 oxt2_nix_unregister_cq_irqs(eth_dev);
1271 nix_set_nop_rxtx_function(eth_dev);
1272 rc = nix_store_queue_cfg_and_then_release(eth_dev);
1274 goto fail_configure;
1275 otx2_nix_tm_fini(eth_dev);
1279 dev->rx_offloads = rxmode->offloads;
1280 dev->tx_offloads = txmode->offloads;
1281 dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev);
1282 dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev);
1283 dev->rss_info.rss_grps = NIX_RSS_GRPS;
1285 nb_rxq = RTE_MAX(data->nb_rx_queues, 1);
1286 nb_txq = RTE_MAX(data->nb_tx_queues, 1);
1288 /* Alloc a nix lf */
1289 rc = nix_lf_alloc(dev, nb_rxq, nb_txq);
1291 otx2_err("Failed to init nix_lf rc=%d", rc);
1296 rc = otx2_nix_rss_config(eth_dev);
1298 otx2_err("Failed to configure rss rc=%d", rc);
1302 /* Init the default TM scheduler hierarchy */
1303 rc = otx2_nix_tm_init_default(eth_dev);
1305 otx2_err("Failed to init traffic manager rc=%d", rc);
1309 rc = otx2_nix_vlan_offload_init(eth_dev);
1311 otx2_err("Failed to init vlan offload rc=%d", rc);
1315 /* Register queue IRQs */
1316 rc = oxt2_nix_register_queue_irqs(eth_dev);
1318 otx2_err("Failed to register queue interrupts rc=%d", rc);
1322 /* Register cq IRQs */
1323 if (eth_dev->data->dev_conf.intr_conf.rxq) {
1324 if (eth_dev->data->nb_rx_queues > dev->cints) {
1325 otx2_err("Rx interrupt cannot be enabled, rxq > %d",
1329 /* Rx interrupt feature cannot work with vector mode because,
1330 * vector mode doesn't process packets unless min 4 pkts are
1331 * received, while cq interrupts are generated even for 1 pkt
1334 dev->scalar_ena = true;
1336 rc = oxt2_nix_register_cq_irqs(eth_dev);
1338 otx2_err("Failed to register CQ interrupts rc=%d", rc);
1343 /* Configure loop back mode */
1344 rc = cgx_intlbk_enable(dev, eth_dev->data->dev_conf.lpbk_mode);
1346 otx2_err("Failed to configure cgx loop back mode rc=%d", rc);
1350 rc = otx2_nix_rxchan_bpid_cfg(eth_dev, true);
1352 otx2_err("Failed to configure nix rx chan bpid cfg rc=%d", rc);
1357 * Restore queue config when reconfigure followed by
1358 * reconfigure and no queue configure invoked from application case.
1360 if (dev->configured == 1) {
1361 rc = nix_restore_queue_cfg(eth_dev);
1366 /* Update the mac address */
1367 ea = eth_dev->data->mac_addrs;
1368 memcpy(ea, dev->mac_addr, RTE_ETHER_ADDR_LEN);
1369 if (rte_is_zero_ether_addr(ea))
1370 rte_eth_random_addr((uint8_t *)ea);
1372 rte_ether_format_addr(ea_fmt, RTE_ETHER_ADDR_FMT_SIZE, ea);
1374 otx2_nix_dbg("Configured port%d mac=%s nb_rxq=%d nb_txq=%d"
1375 " rx_offloads=0x%" PRIx64 " tx_offloads=0x%" PRIx64 ""
1376 " rx_flags=0x%x tx_flags=0x%x",
1377 eth_dev->data->port_id, ea_fmt, nb_rxq,
1378 nb_txq, dev->rx_offloads, dev->tx_offloads,
1379 dev->rx_offload_flags, dev->tx_offload_flags);
1382 dev->configured = 1;
1383 dev->configured_nb_rx_qs = data->nb_rx_queues;
1384 dev->configured_nb_tx_qs = data->nb_tx_queues;
1388 oxt2_nix_unregister_cq_irqs(eth_dev);
1390 oxt2_nix_unregister_queue_irqs(eth_dev);
1392 otx2_nix_vlan_fini(eth_dev);
1394 otx2_nix_tm_fini(eth_dev);
1398 dev->rx_offload_flags &= ~nix_rx_offload_flags(eth_dev);
1399 dev->tx_offload_flags &= ~nix_tx_offload_flags(eth_dev);
1401 dev->configured = 0;
1406 otx2_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx)
1408 struct rte_eth_dev_data *data = eth_dev->data;
1409 struct otx2_eth_txq *txq;
1412 txq = eth_dev->data->tx_queues[qidx];
1414 if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
1417 rc = otx2_nix_sq_sqb_aura_fc(txq, true);
1419 otx2_err("Failed to enable sqb aura fc, txq=%u, rc=%d",
1424 data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
1431 otx2_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
1433 struct rte_eth_dev_data *data = eth_dev->data;
1434 struct otx2_eth_txq *txq;
1437 txq = eth_dev->data->tx_queues[qidx];
1439 if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
1442 txq->fc_cache_pkts = 0;
1444 rc = otx2_nix_sq_sqb_aura_fc(txq, false);
1446 otx2_err("Failed to disable sqb aura fc, txq=%u, rc=%d",
1451 data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1458 otx2_nix_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx)
1460 struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx];
1461 struct rte_eth_dev_data *data = eth_dev->data;
1464 if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
1467 rc = nix_rq_enb_dis(rxq->eth_dev, rxq, true);
1469 otx2_err("Failed to enable rxq=%u, rc=%d", qidx, rc);
1473 data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
1480 otx2_nix_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
1482 struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx];
1483 struct rte_eth_dev_data *data = eth_dev->data;
1486 if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
1489 rc = nix_rq_enb_dis(rxq->eth_dev, rxq, false);
1491 otx2_err("Failed to disable rxq=%u, rc=%d", qidx, rc);
1495 data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1502 otx2_nix_dev_stop(struct rte_eth_dev *eth_dev)
1504 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1505 struct rte_mbuf *rx_pkts[32];
1506 struct otx2_eth_rxq *rxq;
1507 int count, i, j, rc;
1509 nix_cgx_stop_link_event(dev);
1510 npc_rx_disable(dev);
1512 /* Stop rx queues and free up pkts pending */
1513 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1514 rc = otx2_nix_rx_queue_stop(eth_dev, i);
1518 rxq = eth_dev->data->rx_queues[i];
1519 count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
1521 for (j = 0; j < count; j++)
1522 rte_pktmbuf_free(rx_pkts[j]);
1523 count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
1527 /* Stop tx queues */
1528 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
1529 otx2_nix_tx_queue_stop(eth_dev, i);
1533 otx2_nix_dev_start(struct rte_eth_dev *eth_dev)
1535 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1538 if (eth_dev->data->nb_rx_queues != 0) {
1539 rc = otx2_nix_recalc_mtu(eth_dev);
1544 /* Start rx queues */
1545 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1546 rc = otx2_nix_rx_queue_start(eth_dev, i);
1551 /* Start tx queues */
1552 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
1553 rc = otx2_nix_tx_queue_start(eth_dev, i);
1558 rc = otx2_nix_update_flow_ctrl_mode(eth_dev);
1560 otx2_err("Failed to update flow ctrl mode %d", rc);
1564 /* Enable PTP if it was requested by the app or if it is already
1565 * enabled in PF owning this VF
1567 memset(&dev->tstamp, 0, sizeof(struct otx2_timesync_info));
1568 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
1569 otx2_ethdev_is_ptp_en(dev))
1570 otx2_nix_timesync_enable(eth_dev);
1572 otx2_nix_timesync_disable(eth_dev);
1574 rc = npc_rx_enable(dev);
1576 otx2_err("Failed to enable NPC rx %d", rc);
1580 otx2_nix_toggle_flag_link_cfg(dev, true);
1582 rc = nix_cgx_start_link_event(dev);
1584 otx2_err("Failed to start cgx link event %d", rc);
1588 otx2_nix_toggle_flag_link_cfg(dev, false);
1589 otx2_eth_set_tx_function(eth_dev);
1590 otx2_eth_set_rx_function(eth_dev);
1595 npc_rx_disable(dev);
1596 otx2_nix_toggle_flag_link_cfg(dev, false);
1600 static int otx2_nix_dev_reset(struct rte_eth_dev *eth_dev);
1601 static void otx2_nix_dev_close(struct rte_eth_dev *eth_dev);
1603 /* Initialize and register driver with DPDK Application */
1604 static const struct eth_dev_ops otx2_eth_dev_ops = {
1605 .dev_infos_get = otx2_nix_info_get,
1606 .dev_configure = otx2_nix_configure,
1607 .link_update = otx2_nix_link_update,
1608 .tx_queue_setup = otx2_nix_tx_queue_setup,
1609 .tx_queue_release = otx2_nix_tx_queue_release,
1610 .rx_queue_setup = otx2_nix_rx_queue_setup,
1611 .rx_queue_release = otx2_nix_rx_queue_release,
1612 .dev_start = otx2_nix_dev_start,
1613 .dev_stop = otx2_nix_dev_stop,
1614 .dev_close = otx2_nix_dev_close,
1615 .tx_queue_start = otx2_nix_tx_queue_start,
1616 .tx_queue_stop = otx2_nix_tx_queue_stop,
1617 .rx_queue_start = otx2_nix_rx_queue_start,
1618 .rx_queue_stop = otx2_nix_rx_queue_stop,
1619 .dev_set_link_up = otx2_nix_dev_set_link_up,
1620 .dev_set_link_down = otx2_nix_dev_set_link_down,
1621 .dev_supported_ptypes_get = otx2_nix_supported_ptypes_get,
1622 .dev_reset = otx2_nix_dev_reset,
1623 .stats_get = otx2_nix_dev_stats_get,
1624 .stats_reset = otx2_nix_dev_stats_reset,
1625 .get_reg = otx2_nix_dev_get_reg,
1626 .mtu_set = otx2_nix_mtu_set,
1627 .mac_addr_add = otx2_nix_mac_addr_add,
1628 .mac_addr_remove = otx2_nix_mac_addr_del,
1629 .mac_addr_set = otx2_nix_mac_addr_set,
1630 .promiscuous_enable = otx2_nix_promisc_enable,
1631 .promiscuous_disable = otx2_nix_promisc_disable,
1632 .allmulticast_enable = otx2_nix_allmulticast_enable,
1633 .allmulticast_disable = otx2_nix_allmulticast_disable,
1634 .queue_stats_mapping_set = otx2_nix_queue_stats_mapping,
1635 .reta_update = otx2_nix_dev_reta_update,
1636 .reta_query = otx2_nix_dev_reta_query,
1637 .rss_hash_update = otx2_nix_rss_hash_update,
1638 .rss_hash_conf_get = otx2_nix_rss_hash_conf_get,
1639 .xstats_get = otx2_nix_xstats_get,
1640 .xstats_get_names = otx2_nix_xstats_get_names,
1641 .xstats_reset = otx2_nix_xstats_reset,
1642 .xstats_get_by_id = otx2_nix_xstats_get_by_id,
1643 .xstats_get_names_by_id = otx2_nix_xstats_get_names_by_id,
1644 .rxq_info_get = otx2_nix_rxq_info_get,
1645 .txq_info_get = otx2_nix_txq_info_get,
1646 .rx_queue_count = otx2_nix_rx_queue_count,
1647 .rx_descriptor_done = otx2_nix_rx_descriptor_done,
1648 .rx_descriptor_status = otx2_nix_rx_descriptor_status,
1649 .tx_done_cleanup = otx2_nix_tx_done_cleanup,
1650 .pool_ops_supported = otx2_nix_pool_ops_supported,
1651 .filter_ctrl = otx2_nix_dev_filter_ctrl,
1652 .get_module_info = otx2_nix_get_module_info,
1653 .get_module_eeprom = otx2_nix_get_module_eeprom,
1654 .fw_version_get = otx2_nix_fw_version_get,
1655 .flow_ctrl_get = otx2_nix_flow_ctrl_get,
1656 .flow_ctrl_set = otx2_nix_flow_ctrl_set,
1657 .timesync_enable = otx2_nix_timesync_enable,
1658 .timesync_disable = otx2_nix_timesync_disable,
1659 .timesync_read_rx_timestamp = otx2_nix_timesync_read_rx_timestamp,
1660 .timesync_read_tx_timestamp = otx2_nix_timesync_read_tx_timestamp,
1661 .timesync_adjust_time = otx2_nix_timesync_adjust_time,
1662 .timesync_read_time = otx2_nix_timesync_read_time,
1663 .timesync_write_time = otx2_nix_timesync_write_time,
1664 .vlan_offload_set = otx2_nix_vlan_offload_set,
1665 .vlan_filter_set = otx2_nix_vlan_filter_set,
1666 .vlan_strip_queue_set = otx2_nix_vlan_strip_queue_set,
1667 .vlan_tpid_set = otx2_nix_vlan_tpid_set,
1668 .vlan_pvid_set = otx2_nix_vlan_pvid_set,
1669 .rx_queue_intr_enable = otx2_nix_rx_queue_intr_enable,
1670 .rx_queue_intr_disable = otx2_nix_rx_queue_intr_disable,
1671 .read_clock = otx2_nix_read_clock,
1675 nix_lf_attach(struct otx2_eth_dev *dev)
1677 struct otx2_mbox *mbox = dev->mbox;
1678 struct rsrc_attach_req *req;
1680 /* Attach NIX(lf) */
1681 req = otx2_mbox_alloc_msg_attach_resources(mbox);
1685 return otx2_mbox_process(mbox);
1689 nix_lf_get_msix_offset(struct otx2_eth_dev *dev)
1691 struct otx2_mbox *mbox = dev->mbox;
1692 struct msix_offset_rsp *msix_rsp;
1695 /* Get NPA and NIX MSIX vector offsets */
1696 otx2_mbox_alloc_msg_msix_offset(mbox);
1698 rc = otx2_mbox_process_msg(mbox, (void *)&msix_rsp);
1700 dev->nix_msixoff = msix_rsp->nix_msixoff;
1706 otx2_eth_dev_lf_detach(struct otx2_mbox *mbox)
1708 struct rsrc_detach_req *req;
1710 req = otx2_mbox_alloc_msg_detach_resources(mbox);
1712 /* Detach all except npa lf */
1713 req->partial = true;
1720 return otx2_mbox_process(mbox);
1724 otx2_eth_dev_init(struct rte_eth_dev *eth_dev)
1726 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1727 struct rte_pci_device *pci_dev;
1728 int rc, max_entries;
1730 eth_dev->dev_ops = &otx2_eth_dev_ops;
1732 /* For secondary processes, the primary has done all the work */
1733 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1734 /* Setup callbacks for secondary process */
1735 otx2_eth_set_tx_function(eth_dev);
1736 otx2_eth_set_rx_function(eth_dev);
1740 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1742 rte_eth_copy_pci_info(eth_dev, pci_dev);
1743 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
1745 /* Zero out everything after OTX2_DEV to allow proper dev_reset() */
1746 memset(&dev->otx2_eth_dev_data_start, 0, sizeof(*dev) -
1747 offsetof(struct otx2_eth_dev, otx2_eth_dev_data_start));
1749 /* Parse devargs string */
1750 rc = otx2_ethdev_parse_devargs(eth_dev->device->devargs, dev);
1752 otx2_err("Failed to parse devargs rc=%d", rc);
1756 if (!dev->mbox_active) {
1757 /* Initialize the base otx2_dev object
1758 * only if already present
1760 rc = otx2_dev_init(pci_dev, dev);
1762 otx2_err("Failed to initialize otx2_dev rc=%d", rc);
1766 /* Device generic callbacks */
1767 dev->ops = &otx2_dev_ops;
1768 dev->eth_dev = eth_dev;
1770 /* Grab the NPA LF if required */
1771 rc = otx2_npa_lf_init(pci_dev, dev);
1773 goto otx2_dev_uninit;
1775 dev->configured = 0;
1776 dev->drv_inited = true;
1777 dev->base = dev->bar2 + (RVU_BLOCK_ADDR_NIX0 << 20);
1778 dev->lmt_addr = dev->bar2 + (RVU_BLOCK_ADDR_LMT << 20);
1781 rc = nix_lf_attach(dev);
1783 goto otx2_npa_uninit;
1785 /* Get NIX MSIX offset */
1786 rc = nix_lf_get_msix_offset(dev);
1788 goto otx2_npa_uninit;
1790 /* Register LF irq handlers */
1791 rc = otx2_nix_register_irqs(eth_dev);
1795 /* Get maximum number of supported MAC entries */
1796 max_entries = otx2_cgx_mac_max_entries_get(dev);
1797 if (max_entries < 0) {
1798 otx2_err("Failed to get max entries for mac addr");
1800 goto unregister_irq;
1803 /* For VFs, returned max_entries will be 0. But to keep default MAC
1804 * address, one entry must be allocated. So setting up to 1.
1806 if (max_entries == 0)
1809 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", max_entries *
1810 RTE_ETHER_ADDR_LEN, 0);
1811 if (eth_dev->data->mac_addrs == NULL) {
1812 otx2_err("Failed to allocate memory for mac addr");
1814 goto unregister_irq;
1817 dev->max_mac_entries = max_entries;
1819 rc = otx2_nix_mac_addr_get(eth_dev, dev->mac_addr);
1821 goto free_mac_addrs;
1823 /* Update the mac address */
1824 memcpy(eth_dev->data->mac_addrs, dev->mac_addr, RTE_ETHER_ADDR_LEN);
1826 /* Also sync same MAC address to CGX table */
1827 otx2_cgx_mac_addr_set(eth_dev, ð_dev->data->mac_addrs[0]);
1829 /* Initialize the tm data structures */
1830 otx2_nix_tm_conf_init(eth_dev);
1832 dev->tx_offload_capa = nix_get_tx_offload_capa(dev);
1833 dev->rx_offload_capa = nix_get_rx_offload_capa(dev);
1835 if (otx2_dev_is_96xx_A0(dev) ||
1836 otx2_dev_is_95xx_Ax(dev)) {
1837 dev->hwcap |= OTX2_FIXUP_F_MIN_4K_Q;
1838 dev->hwcap |= OTX2_FIXUP_F_LIMIT_CQ_FULL;
1841 /* Initialize rte-flow */
1842 rc = otx2_flow_init(dev);
1844 goto free_mac_addrs;
1846 otx2_nix_dbg("Port=%d pf=%d vf=%d ver=%s msix_off=%d hwcap=0x%" PRIx64
1847 " rxoffload_capa=0x%" PRIx64 " txoffload_capa=0x%" PRIx64,
1848 eth_dev->data->port_id, dev->pf, dev->vf,
1849 OTX2_ETH_DEV_PMD_VERSION, dev->nix_msixoff, dev->hwcap,
1850 dev->rx_offload_capa, dev->tx_offload_capa);
1854 rte_free(eth_dev->data->mac_addrs);
1856 otx2_nix_unregister_irqs(eth_dev);
1858 otx2_eth_dev_lf_detach(dev->mbox);
1862 otx2_dev_fini(pci_dev, dev);
1864 otx2_err("Failed to init nix eth_dev rc=%d", rc);
1869 otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
1871 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1872 struct rte_pci_device *pci_dev;
1875 /* Nothing to be done for secondary processes */
1876 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1879 /* Clear the flag since we are closing down */
1880 dev->configured = 0;
1882 /* Disable nix bpid config */
1883 otx2_nix_rxchan_bpid_cfg(eth_dev, false);
1885 npc_rx_disable(dev);
1887 /* Disable vlan offloads */
1888 otx2_nix_vlan_fini(eth_dev);
1890 /* Disable other rte_flow entries */
1891 otx2_flow_fini(dev);
1893 /* Disable PTP if already enabled */
1894 if (otx2_ethdev_is_ptp_en(dev))
1895 otx2_nix_timesync_disable(eth_dev);
1897 nix_cgx_stop_link_event(dev);
1900 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
1901 otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]);
1902 eth_dev->data->tx_queues[i] = NULL;
1904 eth_dev->data->nb_tx_queues = 0;
1906 /* Free up RQ's and CQ's */
1907 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1908 otx2_nix_rx_queue_release(eth_dev->data->rx_queues[i]);
1909 eth_dev->data->rx_queues[i] = NULL;
1911 eth_dev->data->nb_rx_queues = 0;
1913 /* Free tm resources */
1914 rc = otx2_nix_tm_fini(eth_dev);
1916 otx2_err("Failed to cleanup tm, rc=%d", rc);
1918 /* Unregister queue irqs */
1919 oxt2_nix_unregister_queue_irqs(eth_dev);
1921 /* Unregister cq irqs */
1922 if (eth_dev->data->dev_conf.intr_conf.rxq)
1923 oxt2_nix_unregister_cq_irqs(eth_dev);
1925 rc = nix_lf_free(dev);
1927 otx2_err("Failed to free nix lf, rc=%d", rc);
1929 rc = otx2_npa_lf_fini();
1931 otx2_err("Failed to cleanup npa lf, rc=%d", rc);
1933 rte_free(eth_dev->data->mac_addrs);
1934 eth_dev->data->mac_addrs = NULL;
1935 dev->drv_inited = false;
1937 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1938 otx2_nix_unregister_irqs(eth_dev);
1940 rc = otx2_eth_dev_lf_detach(dev->mbox);
1942 otx2_err("Failed to detach resources, rc=%d", rc);
1944 /* Check if mbox close is needed */
1948 if (otx2_npa_lf_active(dev) || otx2_dev_active_vfs(dev)) {
1949 /* Will be freed later by PMD */
1950 eth_dev->data->dev_private = NULL;
1954 otx2_dev_fini(pci_dev, dev);
1959 otx2_nix_dev_close(struct rte_eth_dev *eth_dev)
1961 otx2_eth_dev_uninit(eth_dev, true);
1965 otx2_nix_dev_reset(struct rte_eth_dev *eth_dev)
1969 rc = otx2_eth_dev_uninit(eth_dev, false);
1973 return otx2_eth_dev_init(eth_dev);
1977 nix_remove(struct rte_pci_device *pci_dev)
1979 struct rte_eth_dev *eth_dev;
1980 struct otx2_idev_cfg *idev;
1981 struct otx2_dev *otx2_dev;
1984 eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
1986 /* Cleanup eth dev */
1987 rc = otx2_eth_dev_uninit(eth_dev, true);
1991 rte_eth_dev_pci_release(eth_dev);
1994 /* Nothing to be done for secondary processes */
1995 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1998 /* Check for common resources */
1999 idev = otx2_intra_dev_get_cfg();
2000 if (!idev || !idev->npa_lf || idev->npa_lf->pci_dev != pci_dev)
2003 otx2_dev = container_of(idev->npa_lf, struct otx2_dev, npalf);
2005 if (otx2_npa_lf_active(otx2_dev) || otx2_dev_active_vfs(otx2_dev))
2008 /* Safe to cleanup mbox as no more users */
2009 otx2_dev_fini(pci_dev, otx2_dev);
2014 otx2_info("%s: common resource in use by other devices", pci_dev->name);
2019 nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
2023 RTE_SET_USED(pci_drv);
2025 rc = rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct otx2_eth_dev),
2028 /* On error on secondary, recheck if port exists in primary or
2029 * in mid of detach state.
2031 if (rte_eal_process_type() != RTE_PROC_PRIMARY && rc)
2032 if (!rte_eth_dev_allocated(pci_dev->device.name))
2037 static const struct rte_pci_id pci_nix_map[] = {
2039 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_PF)
2042 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_VF)
2045 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
2046 PCI_DEVID_OCTEONTX2_RVU_AF_VF)
2053 static struct rte_pci_driver pci_nix = {
2054 .id_table = pci_nix_map,
2055 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
2056 RTE_PCI_DRV_INTR_LSC,
2058 .remove = nix_remove,
2061 RTE_PMD_REGISTER_PCI(net_octeontx2, pci_nix);
2062 RTE_PMD_REGISTER_PCI_TABLE(net_octeontx2, pci_nix_map);
2063 RTE_PMD_REGISTER_KMOD_DEP(net_octeontx2, "vfio-pci");