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"
15 #include "otx2_ethdev_sec.h"
17 static inline uint64_t
18 nix_get_rx_offload_capa(struct otx2_eth_dev *dev)
20 uint64_t capa = NIX_RX_OFFLOAD_CAPA;
22 if (otx2_dev_is_vf(dev) ||
23 dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_HIGIG)
24 capa &= ~DEV_RX_OFFLOAD_TIMESTAMP;
29 static inline uint64_t
30 nix_get_tx_offload_capa(struct otx2_eth_dev *dev)
32 uint64_t capa = NIX_TX_OFFLOAD_CAPA;
34 /* TSO not supported for earlier chip revisions */
35 if (otx2_dev_is_96xx_A0(dev) || otx2_dev_is_95xx_Ax(dev))
36 capa &= ~(DEV_TX_OFFLOAD_TCP_TSO |
37 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
38 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
39 DEV_TX_OFFLOAD_GRE_TNL_TSO);
43 static const struct otx2_dev_ops otx2_dev_ops = {
44 .link_status_update = otx2_eth_dev_link_status_update,
45 .ptp_info_update = otx2_eth_dev_ptp_info_update
49 nix_lf_alloc(struct otx2_eth_dev *dev, uint32_t nb_rxq, uint32_t nb_txq)
51 struct otx2_mbox *mbox = dev->mbox;
52 struct nix_lf_alloc_req *req;
53 struct nix_lf_alloc_rsp *rsp;
56 req = otx2_mbox_alloc_msg_nix_lf_alloc(mbox);
60 /* XQE_SZ should be in Sync with NIX_CQ_ENTRY_SZ */
61 RTE_BUILD_BUG_ON(NIX_CQ_ENTRY_SZ != 128);
62 req->xqe_sz = NIX_XQESZ_W16;
63 req->rss_sz = dev->rss_info.rss_size;
64 req->rss_grps = NIX_RSS_GRPS;
65 req->npa_func = otx2_npa_pf_func_get();
66 req->sso_func = otx2_sso_pf_func_get();
67 req->rx_cfg = BIT_ULL(35 /* DIS_APAD */);
68 if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
69 DEV_RX_OFFLOAD_UDP_CKSUM)) {
70 req->rx_cfg |= BIT_ULL(37 /* CSUM_OL4 */);
71 req->rx_cfg |= BIT_ULL(36 /* CSUM_IL4 */);
73 req->rx_cfg |= (BIT_ULL(32 /* DROP_RE */) |
74 BIT_ULL(33 /* Outer L2 Length */) |
75 BIT_ULL(38 /* Inner L4 UDP Length */) |
76 BIT_ULL(39 /* Inner L3 Length */) |
77 BIT_ULL(40 /* Outer L4 UDP Length */) |
78 BIT_ULL(41 /* Outer L3 Length */));
80 if (dev->rss_tag_as_xor == 0)
81 req->flags = NIX_LF_RSS_TAG_LSB_AS_ADDER;
83 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
87 dev->sqb_size = rsp->sqb_size;
88 dev->tx_chan_base = rsp->tx_chan_base;
89 dev->rx_chan_base = rsp->rx_chan_base;
90 dev->rx_chan_cnt = rsp->rx_chan_cnt;
91 dev->tx_chan_cnt = rsp->tx_chan_cnt;
92 dev->lso_tsov4_idx = rsp->lso_tsov4_idx;
93 dev->lso_tsov6_idx = rsp->lso_tsov6_idx;
94 dev->lf_tx_stats = rsp->lf_tx_stats;
95 dev->lf_rx_stats = rsp->lf_rx_stats;
96 dev->cints = rsp->cints;
97 dev->qints = rsp->qints;
98 dev->npc_flow.channel = dev->rx_chan_base;
99 dev->ptp_en = rsp->hw_rx_tstamp_en;
105 nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev, bool enable)
107 struct otx2_mbox *mbox = dev->mbox;
108 struct npc_set_pkind *req;
109 struct msg_resp *rsp;
112 if (dev->npc_flow.switch_header_type == 0)
115 /* Notify AF about higig2 config */
116 req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
117 req->mode = dev->npc_flow.switch_header_type;
119 req->mode = OTX2_PRIV_FLAGS_DEFAULT;
121 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
124 req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
125 req->mode = dev->npc_flow.switch_header_type;
127 req->mode = OTX2_PRIV_FLAGS_DEFAULT;
129 return otx2_mbox_process_msg(mbox, (void *)&rsp);
133 nix_lf_free(struct otx2_eth_dev *dev)
135 struct otx2_mbox *mbox = dev->mbox;
136 struct nix_lf_free_req *req;
137 struct ndc_sync_op *ndc_req;
140 /* Sync NDC-NIX for LF */
141 ndc_req = otx2_mbox_alloc_msg_ndc_sync_op(mbox);
142 ndc_req->nix_lf_tx_sync = 1;
143 ndc_req->nix_lf_rx_sync = 1;
144 rc = otx2_mbox_process(mbox);
146 otx2_err("Error on NDC-NIX-[TX, RX] LF sync, rc %d", rc);
148 req = otx2_mbox_alloc_msg_nix_lf_free(mbox);
149 /* Let AF driver free all this nix lf's
150 * NPC entries allocated using NPC MBOX.
154 return otx2_mbox_process(mbox);
158 otx2_cgx_rxtx_start(struct otx2_eth_dev *dev)
160 struct otx2_mbox *mbox = dev->mbox;
162 if (otx2_dev_is_vf_or_sdp(dev))
165 otx2_mbox_alloc_msg_cgx_start_rxtx(mbox);
167 return otx2_mbox_process(mbox);
171 otx2_cgx_rxtx_stop(struct otx2_eth_dev *dev)
173 struct otx2_mbox *mbox = dev->mbox;
175 if (otx2_dev_is_vf_or_sdp(dev))
178 otx2_mbox_alloc_msg_cgx_stop_rxtx(mbox);
180 return otx2_mbox_process(mbox);
184 npc_rx_enable(struct otx2_eth_dev *dev)
186 struct otx2_mbox *mbox = dev->mbox;
188 otx2_mbox_alloc_msg_nix_lf_start_rx(mbox);
190 return otx2_mbox_process(mbox);
194 npc_rx_disable(struct otx2_eth_dev *dev)
196 struct otx2_mbox *mbox = dev->mbox;
198 otx2_mbox_alloc_msg_nix_lf_stop_rx(mbox);
200 return otx2_mbox_process(mbox);
204 nix_cgx_start_link_event(struct otx2_eth_dev *dev)
206 struct otx2_mbox *mbox = dev->mbox;
208 if (otx2_dev_is_vf_or_sdp(dev))
211 otx2_mbox_alloc_msg_cgx_start_linkevents(mbox);
213 return otx2_mbox_process(mbox);
217 cgx_intlbk_enable(struct otx2_eth_dev *dev, bool en)
219 struct otx2_mbox *mbox = dev->mbox;
221 if (en && otx2_dev_is_vf_or_sdp(dev))
225 otx2_mbox_alloc_msg_cgx_intlbk_enable(mbox);
227 otx2_mbox_alloc_msg_cgx_intlbk_disable(mbox);
229 return otx2_mbox_process(mbox);
233 nix_cgx_stop_link_event(struct otx2_eth_dev *dev)
235 struct otx2_mbox *mbox = dev->mbox;
237 if (otx2_dev_is_vf_or_sdp(dev))
240 otx2_mbox_alloc_msg_cgx_stop_linkevents(mbox);
242 return otx2_mbox_process(mbox);
246 nix_rx_queue_reset(struct otx2_eth_rxq *rxq)
252 static inline uint32_t
253 nix_qsize_to_val(enum nix_q_size_e qsize)
255 return (16UL << (qsize * 2));
258 static inline enum nix_q_size_e
259 nix_qsize_clampup_get(struct otx2_eth_dev *dev, uint32_t val)
263 if (otx2_ethdev_fixup_is_min_4k_q(dev))
268 for (; i < nix_q_size_max; i++)
269 if (val <= nix_qsize_to_val(i))
272 if (i >= nix_q_size_max)
273 i = nix_q_size_max - 1;
279 nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev,
280 uint16_t qid, struct otx2_eth_rxq *rxq, struct rte_mempool *mp)
282 struct otx2_mbox *mbox = dev->mbox;
283 const struct rte_memzone *rz;
284 uint32_t ring_size, cq_size;
285 struct nix_aq_enq_req *aq;
290 ring_size = cq_size * NIX_CQ_ENTRY_SZ;
291 rz = rte_eth_dma_zone_reserve(eth_dev, "cq", qid, ring_size,
292 NIX_CQ_ALIGN, dev->node);
294 otx2_err("Failed to allocate mem for cq hw ring");
298 memset(rz->addr, 0, rz->len);
299 rxq->desc = (uintptr_t)rz->addr;
300 rxq->qmask = cq_size - 1;
302 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
304 aq->ctype = NIX_AQ_CTYPE_CQ;
305 aq->op = NIX_AQ_INSTOP_INIT;
309 aq->cq.qsize = rxq->qsize;
310 aq->cq.base = rz->iova;
311 aq->cq.avg_level = 0xff;
312 aq->cq.cq_err_int_ena = BIT(NIX_CQERRINT_CQE_FAULT);
313 aq->cq.cq_err_int_ena |= BIT(NIX_CQERRINT_DOOR_ERR);
315 /* Many to one reduction */
316 aq->cq.qint_idx = qid % dev->qints;
317 /* Map CQ0 [RQ0] to CINT0 and so on till max 64 irqs */
318 aq->cq.cint_idx = qid;
320 if (otx2_ethdev_fixup_is_limit_cq_full(dev)) {
321 const float rx_cq_skid = NIX_CQ_FULL_ERRATA_SKID;
322 uint16_t min_rx_drop;
324 min_rx_drop = ceil(rx_cq_skid / (float)cq_size);
325 aq->cq.drop = min_rx_drop;
327 rxq->cq_drop = min_rx_drop;
329 rxq->cq_drop = NIX_CQ_THRESH_LEVEL;
330 aq->cq.drop = rxq->cq_drop;
334 /* TX pause frames enable flowctrl on RX side */
335 if (dev->fc_info.tx_pause) {
336 /* Single bpid is allocated for all rx channels for now */
337 aq->cq.bpid = dev->fc_info.bpid[0];
338 aq->cq.bp = rxq->cq_drop;
342 rc = otx2_mbox_process(mbox);
344 otx2_err("Failed to init cq context");
348 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
350 aq->ctype = NIX_AQ_CTYPE_RQ;
351 aq->op = NIX_AQ_INSTOP_INIT;
355 if (rxq->offloads & DEV_RX_OFFLOAD_SECURITY)
356 aq->rq.ipsech_ena = 1;
358 aq->rq.cq = qid; /* RQ to CQ 1:1 mapped */
360 aq->rq.lpb_aura = npa_lf_aura_handle_to_aura(mp->pool_id);
361 first_skip = (sizeof(struct rte_mbuf));
362 first_skip += RTE_PKTMBUF_HEADROOM;
363 first_skip += rte_pktmbuf_priv_size(mp);
364 rxq->data_off = first_skip;
366 first_skip /= 8; /* Expressed in number of dwords */
367 aq->rq.first_skip = first_skip;
368 aq->rq.later_skip = (sizeof(struct rte_mbuf) / 8);
369 aq->rq.flow_tagw = 32; /* 32-bits */
370 aq->rq.lpb_sizem1 = rte_pktmbuf_data_room_size(mp);
371 aq->rq.lpb_sizem1 += rte_pktmbuf_priv_size(mp);
372 aq->rq.lpb_sizem1 += sizeof(struct rte_mbuf);
373 aq->rq.lpb_sizem1 /= 8;
374 aq->rq.lpb_sizem1 -= 1; /* Expressed in size minus one */
376 aq->rq.pb_caching = 0x2; /* First cache aligned block to LLC */
377 aq->rq.xqe_imm_size = 0; /* No pkt data copy to CQE */
378 aq->rq.rq_int_ena = 0;
379 /* Many to one reduction */
380 aq->rq.qint_idx = qid % dev->qints;
382 aq->rq.xqe_drop_ena = 1;
384 rc = otx2_mbox_process(mbox);
386 otx2_err("Failed to init rq context");
396 nix_rq_enb_dis(struct rte_eth_dev *eth_dev,
397 struct otx2_eth_rxq *rxq, const bool enb)
399 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
400 struct otx2_mbox *mbox = dev->mbox;
401 struct nix_aq_enq_req *aq;
403 /* Pkts will be dropped silently if RQ is disabled */
404 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
406 aq->ctype = NIX_AQ_CTYPE_RQ;
407 aq->op = NIX_AQ_INSTOP_WRITE;
410 aq->rq_mask.ena = ~(aq->rq_mask.ena);
412 return otx2_mbox_process(mbox);
416 nix_cq_rq_uninit(struct rte_eth_dev *eth_dev, struct otx2_eth_rxq *rxq)
418 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
419 struct otx2_mbox *mbox = dev->mbox;
420 struct nix_aq_enq_req *aq;
423 /* RQ is already disabled */
425 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
427 aq->ctype = NIX_AQ_CTYPE_CQ;
428 aq->op = NIX_AQ_INSTOP_WRITE;
431 aq->cq_mask.ena = ~(aq->cq_mask.ena);
433 rc = otx2_mbox_process(mbox);
435 otx2_err("Failed to disable cq context");
443 nix_get_data_off(struct otx2_eth_dev *dev)
445 return otx2_ethdev_is_ptp_en(dev) ? NIX_TIMESYNC_RX_OFFSET : 0;
449 otx2_nix_rxq_mbuf_setup(struct otx2_eth_dev *dev, uint16_t port_id)
451 struct rte_mbuf mb_def;
454 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) % 8 != 0);
455 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, refcnt) -
456 offsetof(struct rte_mbuf, data_off) != 2);
457 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, nb_segs) -
458 offsetof(struct rte_mbuf, data_off) != 4);
459 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, port) -
460 offsetof(struct rte_mbuf, data_off) != 6);
462 mb_def.data_off = RTE_PKTMBUF_HEADROOM + nix_get_data_off(dev);
463 mb_def.port = port_id;
464 rte_mbuf_refcnt_set(&mb_def, 1);
466 /* Prevent compiler reordering: rearm_data covers previous fields */
467 rte_compiler_barrier();
468 tmp = (uint64_t *)&mb_def.rearm_data;
474 otx2_nix_rx_queue_release(void *rx_queue)
476 struct otx2_eth_rxq *rxq = rx_queue;
481 otx2_nix_dbg("Releasing rxq %u", rxq->rq);
482 nix_cq_rq_uninit(rxq->eth_dev, rxq);
487 otx2_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t rq,
488 uint16_t nb_desc, unsigned int socket,
489 const struct rte_eth_rxconf *rx_conf,
490 struct rte_mempool *mp)
492 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
493 struct rte_mempool_ops *ops;
494 struct otx2_eth_rxq *rxq;
495 const char *platform_ops;
496 enum nix_q_size_e qsize;
502 /* Compile time check to make sure all fast path elements in a CL */
503 RTE_BUILD_BUG_ON(offsetof(struct otx2_eth_rxq, slow_path_start) >= 128);
506 if (rx_conf->rx_deferred_start == 1) {
507 otx2_err("Deferred Rx start is not supported");
511 platform_ops = rte_mbuf_platform_mempool_ops();
512 /* This driver needs octeontx2_npa mempool ops to work */
513 ops = rte_mempool_get_ops(mp->ops_index);
514 if (strncmp(ops->name, platform_ops, RTE_MEMPOOL_OPS_NAMESIZE)) {
515 otx2_err("mempool ops should be of octeontx2_npa type");
519 if (mp->pool_id == 0) {
520 otx2_err("Invalid pool_id");
524 /* Free memory prior to re-allocation if needed */
525 if (eth_dev->data->rx_queues[rq] != NULL) {
526 otx2_nix_dbg("Freeing memory prior to re-allocation %d", rq);
527 otx2_nix_rx_queue_release(eth_dev->data->rx_queues[rq]);
528 eth_dev->data->rx_queues[rq] = NULL;
531 offloads = rx_conf->offloads | eth_dev->data->dev_conf.rxmode.offloads;
532 dev->rx_offloads |= offloads;
534 /* Find the CQ queue size */
535 qsize = nix_qsize_clampup_get(dev, nb_desc);
536 /* Allocate rxq memory */
537 rxq = rte_zmalloc_socket("otx2 rxq", sizeof(*rxq), OTX2_ALIGN, socket);
539 otx2_err("Failed to allocate rq=%d", rq);
544 rxq->eth_dev = eth_dev;
546 rxq->cq_door = dev->base + NIX_LF_CQ_OP_DOOR;
547 rxq->cq_status = (int64_t *)(dev->base + NIX_LF_CQ_OP_STATUS);
548 rxq->wdata = (uint64_t)rq << 32;
549 rxq->aura = npa_lf_aura_handle_to_aura(mp->pool_id);
550 rxq->mbuf_initializer = otx2_nix_rxq_mbuf_setup(dev,
551 eth_dev->data->port_id);
552 rxq->offloads = offloads;
554 rxq->qlen = nix_qsize_to_val(qsize);
556 rxq->lookup_mem = otx2_nix_fastpath_lookup_mem_get();
557 rxq->tstamp = &dev->tstamp;
559 /* Alloc completion queue */
560 rc = nix_cq_rq_init(eth_dev, dev, rq, rxq, mp);
562 otx2_err("Failed to allocate rxq=%u", rq);
566 rxq->qconf.socket_id = socket;
567 rxq->qconf.nb_desc = nb_desc;
568 rxq->qconf.mempool = mp;
569 memcpy(&rxq->qconf.conf.rx, rx_conf, sizeof(struct rte_eth_rxconf));
571 nix_rx_queue_reset(rxq);
572 otx2_nix_dbg("rq=%d pool=%s qsize=%d nb_desc=%d->%d",
573 rq, mp->name, qsize, nb_desc, rxq->qlen);
575 eth_dev->data->rx_queues[rq] = rxq;
576 eth_dev->data->rx_queue_state[rq] = RTE_ETH_QUEUE_STATE_STOPPED;
578 /* Calculating delta and freq mult between PTP HI clock and tsc.
579 * These are needed in deriving raw clock value from tsc counter.
580 * read_clock eth op returns raw clock value.
582 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
583 otx2_ethdev_is_ptp_en(dev)) {
584 rc = otx2_nix_raw_clock_tsc_conv(dev);
586 otx2_err("Failed to calculate delta and freq mult");
594 otx2_nix_rx_queue_release(rxq);
599 static inline uint8_t
600 nix_sq_max_sqe_sz(struct otx2_eth_txq *txq)
603 * Maximum three segments can be supported with W8, Choose
604 * NIX_MAXSQESZ_W16 for multi segment offload.
606 if (txq->offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
607 return NIX_MAXSQESZ_W16;
609 return NIX_MAXSQESZ_W8;
613 nix_rx_offload_flags(struct rte_eth_dev *eth_dev)
615 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
616 struct rte_eth_dev_data *data = eth_dev->data;
617 struct rte_eth_conf *conf = &data->dev_conf;
618 struct rte_eth_rxmode *rxmode = &conf->rxmode;
621 if (rxmode->mq_mode == ETH_MQ_RX_RSS &&
622 (dev->rx_offloads & DEV_RX_OFFLOAD_RSS_HASH))
623 flags |= NIX_RX_OFFLOAD_RSS_F;
625 if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
626 DEV_RX_OFFLOAD_UDP_CKSUM))
627 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
629 if (dev->rx_offloads & (DEV_RX_OFFLOAD_IPV4_CKSUM |
630 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
631 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
633 if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER)
634 flags |= NIX_RX_MULTI_SEG_F;
636 if (dev->rx_offloads & (DEV_RX_OFFLOAD_VLAN_STRIP |
637 DEV_RX_OFFLOAD_QINQ_STRIP))
638 flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F;
640 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
641 flags |= NIX_RX_OFFLOAD_TSTAMP_F;
643 if (dev->rx_offloads & DEV_RX_OFFLOAD_SECURITY)
644 flags |= NIX_RX_OFFLOAD_SECURITY_F;
646 if (!dev->ptype_disable)
647 flags |= NIX_RX_OFFLOAD_PTYPE_F;
653 nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
655 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
656 uint64_t conf = dev->tx_offloads;
659 /* Fastpath is dependent on these enums */
660 RTE_BUILD_BUG_ON(PKT_TX_TCP_CKSUM != (1ULL << 52));
661 RTE_BUILD_BUG_ON(PKT_TX_SCTP_CKSUM != (2ULL << 52));
662 RTE_BUILD_BUG_ON(PKT_TX_UDP_CKSUM != (3ULL << 52));
663 RTE_BUILD_BUG_ON(PKT_TX_IP_CKSUM != (1ULL << 54));
664 RTE_BUILD_BUG_ON(PKT_TX_IPV4 != (1ULL << 55));
665 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IP_CKSUM != (1ULL << 58));
666 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV4 != (1ULL << 59));
667 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV6 != (1ULL << 60));
668 RTE_BUILD_BUG_ON(PKT_TX_OUTER_UDP_CKSUM != (1ULL << 41));
669 RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7);
670 RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9);
671 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7);
672 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9);
673 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) !=
674 offsetof(struct rte_mbuf, buf_iova) + 8);
675 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
676 offsetof(struct rte_mbuf, buf_iova) + 16);
677 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
678 offsetof(struct rte_mbuf, ol_flags) + 12);
679 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) !=
680 offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *));
682 if (conf & DEV_TX_OFFLOAD_VLAN_INSERT ||
683 conf & DEV_TX_OFFLOAD_QINQ_INSERT)
684 flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
686 if (conf & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
687 conf & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
688 flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F;
690 if (conf & DEV_TX_OFFLOAD_IPV4_CKSUM ||
691 conf & DEV_TX_OFFLOAD_TCP_CKSUM ||
692 conf & DEV_TX_OFFLOAD_UDP_CKSUM ||
693 conf & DEV_TX_OFFLOAD_SCTP_CKSUM)
694 flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F;
696 if (!(conf & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
697 flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F;
699 if (conf & DEV_TX_OFFLOAD_MULTI_SEGS)
700 flags |= NIX_TX_MULTI_SEG_F;
702 /* Enable Inner checksum for TSO */
703 if (conf & DEV_TX_OFFLOAD_TCP_TSO)
704 flags |= (NIX_TX_OFFLOAD_TSO_F |
705 NIX_TX_OFFLOAD_L3_L4_CSUM_F);
707 /* Enable Inner and Outer checksum for Tunnel TSO */
708 if (conf & (DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
709 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
710 DEV_TX_OFFLOAD_GRE_TNL_TSO))
711 flags |= (NIX_TX_OFFLOAD_TSO_F |
712 NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |
713 NIX_TX_OFFLOAD_L3_L4_CSUM_F);
715 if (conf & DEV_TX_OFFLOAD_SECURITY)
716 flags |= NIX_TX_OFFLOAD_SECURITY_F;
718 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
719 flags |= NIX_TX_OFFLOAD_TSTAMP_F;
725 nix_sq_init(struct otx2_eth_txq *txq)
727 struct otx2_eth_dev *dev = txq->dev;
728 struct otx2_mbox *mbox = dev->mbox;
729 struct nix_aq_enq_req *sq;
734 if (txq->sqb_pool->pool_id == 0)
737 rc = otx2_nix_tm_get_leaf_data(dev, txq->sq, &rr_quantum, &smq);
739 otx2_err("Failed to get sq->smq(leaf node), rc=%d", rc);
743 sq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
745 sq->ctype = NIX_AQ_CTYPE_SQ;
746 sq->op = NIX_AQ_INSTOP_INIT;
747 sq->sq.max_sqe_size = nix_sq_max_sqe_sz(txq);
750 sq->sq.smq_rr_quantum = rr_quantum;
751 sq->sq.default_chan = dev->tx_chan_base;
752 sq->sq.sqe_stype = NIX_STYPE_STF;
754 if (sq->sq.max_sqe_size == NIX_MAXSQESZ_W8)
755 sq->sq.sqe_stype = NIX_STYPE_STP;
757 npa_lf_aura_handle_to_aura(txq->sqb_pool->pool_id);
758 sq->sq.sq_int_ena = BIT(NIX_SQINT_LMT_ERR);
759 sq->sq.sq_int_ena |= BIT(NIX_SQINT_SQB_ALLOC_FAIL);
760 sq->sq.sq_int_ena |= BIT(NIX_SQINT_SEND_ERR);
761 sq->sq.sq_int_ena |= BIT(NIX_SQINT_MNQ_ERR);
763 /* Many to one reduction */
764 sq->sq.qint_idx = txq->sq % dev->qints;
766 return otx2_mbox_process(mbox);
770 nix_sq_uninit(struct otx2_eth_txq *txq)
772 struct otx2_eth_dev *dev = txq->dev;
773 struct otx2_mbox *mbox = dev->mbox;
774 struct ndc_sync_op *ndc_req;
775 struct nix_aq_enq_rsp *rsp;
776 struct nix_aq_enq_req *aq;
777 uint16_t sqes_per_sqb;
781 otx2_nix_dbg("Cleaning up sq %u", txq->sq);
783 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
785 aq->ctype = NIX_AQ_CTYPE_SQ;
786 aq->op = NIX_AQ_INSTOP_READ;
788 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
792 /* Check if sq is already cleaned up */
797 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
799 aq->ctype = NIX_AQ_CTYPE_SQ;
800 aq->op = NIX_AQ_INSTOP_WRITE;
802 aq->sq_mask.ena = ~aq->sq_mask.ena;
805 rc = otx2_mbox_process(mbox);
809 /* Read SQ and free sqb's */
810 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
812 aq->ctype = NIX_AQ_CTYPE_SQ;
813 aq->op = NIX_AQ_INSTOP_READ;
815 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
820 otx2_err("SQ has pending sqe's");
822 count = aq->sq.sqb_count;
823 sqes_per_sqb = 1 << txq->sqes_per_sqb_log2;
824 /* Free SQB's that are used */
825 sqb_buf = (void *)rsp->sq.head_sqb;
829 next_sqb = *(void **)((uintptr_t)sqb_buf + (uint32_t)
830 ((sqes_per_sqb - 1) *
831 nix_sq_max_sqe_sz(txq)));
832 npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1,
838 /* Free next to use sqb */
839 if (rsp->sq.next_sqb)
840 npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1,
843 /* Sync NDC-NIX-TX for LF */
844 ndc_req = otx2_mbox_alloc_msg_ndc_sync_op(mbox);
845 ndc_req->nix_lf_tx_sync = 1;
846 rc = otx2_mbox_process(mbox);
848 otx2_err("Error on NDC-NIX-TX LF sync, rc %d", rc);
854 nix_sqb_aura_limit_cfg(struct rte_mempool *mp, uint16_t nb_sqb_bufs)
856 struct otx2_npa_lf *npa_lf = otx2_intra_dev_get_cfg()->npa_lf;
857 struct npa_aq_enq_req *aura_req;
859 aura_req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
860 aura_req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
861 aura_req->ctype = NPA_AQ_CTYPE_AURA;
862 aura_req->op = NPA_AQ_INSTOP_WRITE;
864 aura_req->aura.limit = nb_sqb_bufs;
865 aura_req->aura_mask.limit = ~(aura_req->aura_mask.limit);
867 return otx2_mbox_process(npa_lf->mbox);
871 nix_alloc_sqb_pool(int port, struct otx2_eth_txq *txq, uint16_t nb_desc)
873 struct otx2_eth_dev *dev = txq->dev;
874 uint16_t sqes_per_sqb, nb_sqb_bufs;
875 char name[RTE_MEMPOOL_NAMESIZE];
876 struct rte_mempool_objsz sz;
877 struct npa_aura_s *aura;
878 uint32_t tmp, blk_sz;
880 aura = (struct npa_aura_s *)((uintptr_t)txq->fc_mem + OTX2_ALIGN);
881 snprintf(name, sizeof(name), "otx2_sqb_pool_%d_%d", port, txq->sq);
882 blk_sz = dev->sqb_size;
884 if (nix_sq_max_sqe_sz(txq) == NIX_MAXSQESZ_W16)
885 sqes_per_sqb = (dev->sqb_size / 8) / 16;
887 sqes_per_sqb = (dev->sqb_size / 8) / 8;
889 nb_sqb_bufs = nb_desc / sqes_per_sqb;
890 /* Clamp up to devarg passed SQB count */
891 nb_sqb_bufs = RTE_MIN(dev->max_sqb_count, RTE_MAX(NIX_DEF_SQB,
892 nb_sqb_bufs + NIX_SQB_LIST_SPACE));
894 txq->sqb_pool = rte_mempool_create_empty(name, NIX_MAX_SQB, blk_sz,
896 MEMPOOL_F_NO_SPREAD);
897 txq->nb_sqb_bufs = nb_sqb_bufs;
898 txq->sqes_per_sqb_log2 = (uint16_t)rte_log2_u32(sqes_per_sqb);
899 txq->nb_sqb_bufs_adj = nb_sqb_bufs -
900 RTE_ALIGN_MUL_CEIL(nb_sqb_bufs, sqes_per_sqb) / sqes_per_sqb;
901 txq->nb_sqb_bufs_adj =
902 (NIX_SQB_LOWER_THRESH * txq->nb_sqb_bufs_adj) / 100;
904 if (txq->sqb_pool == NULL) {
905 otx2_err("Failed to allocate sqe mempool");
909 memset(aura, 0, sizeof(*aura));
911 aura->fc_addr = txq->fc_iova;
912 aura->fc_hyst_bits = 0; /* Store count on all updates */
913 if (rte_mempool_set_ops_byname(txq->sqb_pool, "octeontx2_npa", aura)) {
914 otx2_err("Failed to set ops for sqe mempool");
917 if (rte_mempool_populate_default(txq->sqb_pool) < 0) {
918 otx2_err("Failed to populate sqe mempool");
922 tmp = rte_mempool_calc_obj_size(blk_sz, MEMPOOL_F_NO_SPREAD, &sz);
923 if (dev->sqb_size != sz.elt_size) {
924 otx2_err("sqe pool block size is not expected %d != %d",
929 nix_sqb_aura_limit_cfg(txq->sqb_pool, txq->nb_sqb_bufs);
937 otx2_nix_form_default_desc(struct otx2_eth_txq *txq)
939 struct nix_send_ext_s *send_hdr_ext;
940 struct nix_send_hdr_s *send_hdr;
941 struct nix_send_mem_s *send_mem;
942 union nix_send_sg_s *sg;
944 /* Initialize the fields based on basic single segment packet */
945 memset(&txq->cmd, 0, sizeof(txq->cmd));
947 if (txq->dev->tx_offload_flags & NIX_TX_NEED_EXT_HDR) {
948 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
949 /* 2(HDR) + 2(EXT_HDR) + 1(SG) + 1(IOVA) = 6/2 - 1 = 2 */
950 send_hdr->w0.sizem1 = 2;
952 send_hdr_ext = (struct nix_send_ext_s *)&txq->cmd[2];
953 send_hdr_ext->w0.subdc = NIX_SUBDC_EXT;
954 if (txq->dev->tx_offload_flags & NIX_TX_OFFLOAD_TSTAMP_F) {
955 /* Default: one seg packet would have:
956 * 2(HDR) + 2(EXT) + 1(SG) + 1(IOVA) + 2(MEM)
959 send_hdr->w0.sizem1 = 3;
960 send_hdr_ext->w0.tstmp = 1;
962 /* To calculate the offset for send_mem,
963 * send_hdr->w0.sizem1 * 2
965 send_mem = (struct nix_send_mem_s *)(txq->cmd +
966 (send_hdr->w0.sizem1 << 1));
967 send_mem->subdc = NIX_SUBDC_MEM;
968 send_mem->alg = NIX_SENDMEMALG_SETTSTMP;
969 send_mem->addr = txq->dev->tstamp.tx_tstamp_iova;
971 sg = (union nix_send_sg_s *)&txq->cmd[4];
973 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
974 /* 2(HDR) + 1(SG) + 1(IOVA) = 4/2 - 1 = 1 */
975 send_hdr->w0.sizem1 = 1;
976 sg = (union nix_send_sg_s *)&txq->cmd[2];
979 send_hdr->w0.sq = txq->sq;
980 sg->subdc = NIX_SUBDC_SG;
982 sg->ld_type = NIX_SENDLDTYPE_LDD;
988 otx2_nix_tx_queue_release(void *_txq)
990 struct otx2_eth_txq *txq = _txq;
991 struct rte_eth_dev *eth_dev;
996 eth_dev = txq->dev->eth_dev;
998 otx2_nix_dbg("Releasing txq %u", txq->sq);
1000 /* Flush and disable tm */
1001 otx2_nix_sq_flush_pre(txq, eth_dev->data->dev_started);
1003 /* Free sqb's and disable sq */
1006 if (txq->sqb_pool) {
1007 rte_mempool_free(txq->sqb_pool);
1008 txq->sqb_pool = NULL;
1010 otx2_nix_sq_flush_post(txq);
1016 otx2_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t sq,
1017 uint16_t nb_desc, unsigned int socket_id,
1018 const struct rte_eth_txconf *tx_conf)
1020 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1021 const struct rte_memzone *fc;
1022 struct otx2_eth_txq *txq;
1028 /* Compile time check to make sure all fast path elements in a CL */
1029 RTE_BUILD_BUG_ON(offsetof(struct otx2_eth_txq, slow_path_start) >= 128);
1031 if (tx_conf->tx_deferred_start) {
1032 otx2_err("Tx deferred start is not supported");
1036 /* Free memory prior to re-allocation if needed. */
1037 if (eth_dev->data->tx_queues[sq] != NULL) {
1038 otx2_nix_dbg("Freeing memory prior to re-allocation %d", sq);
1039 otx2_nix_tx_queue_release(eth_dev->data->tx_queues[sq]);
1040 eth_dev->data->tx_queues[sq] = NULL;
1043 /* Find the expected offloads for this queue */
1044 offloads = tx_conf->offloads | eth_dev->data->dev_conf.txmode.offloads;
1046 /* Allocating tx queue data structure */
1047 txq = rte_zmalloc_socket("otx2_ethdev TX queue", sizeof(*txq),
1048 OTX2_ALIGN, socket_id);
1050 otx2_err("Failed to alloc txq=%d", sq);
1056 txq->sqb_pool = NULL;
1057 txq->offloads = offloads;
1058 dev->tx_offloads |= offloads;
1061 * Allocate memory for flow control updates from HW.
1062 * Alloc one cache line, so that fits all FC_STYPE modes.
1064 fc = rte_eth_dma_zone_reserve(eth_dev, "fcmem", sq,
1065 OTX2_ALIGN + sizeof(struct npa_aura_s),
1066 OTX2_ALIGN, dev->node);
1068 otx2_err("Failed to allocate mem for fcmem");
1072 txq->fc_iova = fc->iova;
1073 txq->fc_mem = fc->addr;
1075 /* Initialize the aura sqb pool */
1076 rc = nix_alloc_sqb_pool(eth_dev->data->port_id, txq, nb_desc);
1078 otx2_err("Failed to alloc sqe pool rc=%d", rc);
1082 /* Initialize the SQ */
1083 rc = nix_sq_init(txq);
1085 otx2_err("Failed to init sq=%d context", sq);
1089 txq->fc_cache_pkts = 0;
1090 txq->io_addr = dev->base + NIX_LF_OP_SENDX(0);
1091 /* Evenly distribute LMT slot for each sq */
1092 txq->lmt_addr = (void *)(dev->lmt_addr + ((sq & LMT_SLOT_MASK) << 12));
1094 txq->qconf.socket_id = socket_id;
1095 txq->qconf.nb_desc = nb_desc;
1096 memcpy(&txq->qconf.conf.tx, tx_conf, sizeof(struct rte_eth_txconf));
1098 otx2_nix_form_default_desc(txq);
1100 otx2_nix_dbg("sq=%d fc=%p offload=0x%" PRIx64 " sqb=0x%" PRIx64 ""
1101 " lmt_addr=%p nb_sqb_bufs=%d sqes_per_sqb_log2=%d", sq,
1102 fc->addr, offloads, txq->sqb_pool->pool_id, txq->lmt_addr,
1103 txq->nb_sqb_bufs, txq->sqes_per_sqb_log2);
1104 eth_dev->data->tx_queues[sq] = txq;
1105 eth_dev->data->tx_queue_state[sq] = RTE_ETH_QUEUE_STATE_STOPPED;
1109 otx2_nix_tx_queue_release(txq);
1115 nix_store_queue_cfg_and_then_release(struct rte_eth_dev *eth_dev)
1117 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1118 struct otx2_eth_qconf *tx_qconf = NULL;
1119 struct otx2_eth_qconf *rx_qconf = NULL;
1120 struct otx2_eth_txq **txq;
1121 struct otx2_eth_rxq **rxq;
1122 int i, nb_rxq, nb_txq;
1124 nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues);
1125 nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues);
1127 tx_qconf = malloc(nb_txq * sizeof(*tx_qconf));
1128 if (tx_qconf == NULL) {
1129 otx2_err("Failed to allocate memory for tx_qconf");
1133 rx_qconf = malloc(nb_rxq * sizeof(*rx_qconf));
1134 if (rx_qconf == NULL) {
1135 otx2_err("Failed to allocate memory for rx_qconf");
1139 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1140 for (i = 0; i < nb_txq; i++) {
1141 if (txq[i] == NULL) {
1142 otx2_err("txq[%d] is already released", i);
1145 memcpy(&tx_qconf[i], &txq[i]->qconf, sizeof(*tx_qconf));
1146 otx2_nix_tx_queue_release(txq[i]);
1147 eth_dev->data->tx_queues[i] = NULL;
1150 rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues;
1151 for (i = 0; i < nb_rxq; i++) {
1152 if (rxq[i] == NULL) {
1153 otx2_err("rxq[%d] is already released", i);
1156 memcpy(&rx_qconf[i], &rxq[i]->qconf, sizeof(*rx_qconf));
1157 otx2_nix_rx_queue_release(rxq[i]);
1158 eth_dev->data->rx_queues[i] = NULL;
1161 dev->tx_qconf = tx_qconf;
1162 dev->rx_qconf = rx_qconf;
1175 nix_restore_queue_cfg(struct rte_eth_dev *eth_dev)
1177 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1178 struct otx2_eth_qconf *tx_qconf = dev->tx_qconf;
1179 struct otx2_eth_qconf *rx_qconf = dev->rx_qconf;
1180 struct otx2_eth_txq **txq;
1181 struct otx2_eth_rxq **rxq;
1182 int rc, i, nb_rxq, nb_txq;
1184 nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues);
1185 nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues);
1188 /* Setup tx & rx queues with previous configuration so
1189 * that the queues can be functional in cases like ports
1190 * are started without re configuring queues.
1192 * Usual re config sequence is like below:
1193 * port_configure() {
1198 * queue_configure() {
1205 * In some application's control path, queue_configure() would
1206 * NOT be invoked for TXQs/RXQs in port_configure().
1207 * In such cases, queues can be functional after start as the
1208 * queues are already setup in port_configure().
1210 for (i = 0; i < nb_txq; i++) {
1211 rc = otx2_nix_tx_queue_setup(eth_dev, i, tx_qconf[i].nb_desc,
1212 tx_qconf[i].socket_id,
1213 &tx_qconf[i].conf.tx);
1215 otx2_err("Failed to setup tx queue rc=%d", rc);
1216 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1217 for (i -= 1; i >= 0; i--)
1218 otx2_nix_tx_queue_release(txq[i]);
1223 free(tx_qconf); tx_qconf = NULL;
1225 for (i = 0; i < nb_rxq; i++) {
1226 rc = otx2_nix_rx_queue_setup(eth_dev, i, rx_qconf[i].nb_desc,
1227 rx_qconf[i].socket_id,
1228 &rx_qconf[i].conf.rx,
1229 rx_qconf[i].mempool);
1231 otx2_err("Failed to setup rx queue rc=%d", rc);
1232 rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues;
1233 for (i -= 1; i >= 0; i--)
1234 otx2_nix_rx_queue_release(rxq[i]);
1235 goto release_tx_queues;
1239 free(rx_qconf); rx_qconf = NULL;
1244 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1245 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
1246 otx2_nix_tx_queue_release(txq[i]);
1257 nix_eth_nop_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts)
1259 RTE_SET_USED(queue);
1260 RTE_SET_USED(mbufs);
1267 nix_set_nop_rxtx_function(struct rte_eth_dev *eth_dev)
1269 /* These dummy functions are required for supporting
1270 * some applications which reconfigure queues without
1271 * stopping tx burst and rx burst threads(eg kni app)
1272 * When the queues context is saved, txq/rxqs are released
1273 * which caused app crash since rx/tx burst is still
1274 * on different lcores
1276 eth_dev->tx_pkt_burst = nix_eth_nop_burst;
1277 eth_dev->rx_pkt_burst = nix_eth_nop_burst;
1282 nix_lso_tcp(struct nix_lso_format_cfg *req, bool v4)
1284 volatile struct nix_lso_format *field;
1286 /* Format works only with TCP packet marked by OL3/OL4 */
1287 field = (volatile struct nix_lso_format *)&req->fields[0];
1288 req->field_mask = NIX_LSO_FIELD_MASK;
1289 /* Outer IPv4/IPv6 */
1290 field->layer = NIX_TXLAYER_OL3;
1291 field->offset = v4 ? 2 : 4;
1292 field->sizem1 = 1; /* 2B */
1293 field->alg = NIX_LSOALG_ADD_PAYLEN;
1297 field->layer = NIX_TXLAYER_OL3;
1300 /* Incremented linearly per segment */
1301 field->alg = NIX_LSOALG_ADD_SEGNUM;
1305 /* TCP sequence number update */
1306 field->layer = NIX_TXLAYER_OL4;
1308 field->sizem1 = 3; /* 4 bytes */
1309 field->alg = NIX_LSOALG_ADD_OFFSET;
1311 /* TCP flags field */
1312 field->layer = NIX_TXLAYER_OL4;
1315 field->alg = NIX_LSOALG_TCP_FLAGS;
1320 nix_lso_udp_tun_tcp(struct nix_lso_format_cfg *req,
1321 bool outer_v4, bool inner_v4)
1323 volatile struct nix_lso_format *field;
1325 field = (volatile struct nix_lso_format *)&req->fields[0];
1326 req->field_mask = NIX_LSO_FIELD_MASK;
1327 /* Outer IPv4/IPv6 len */
1328 field->layer = NIX_TXLAYER_OL3;
1329 field->offset = outer_v4 ? 2 : 4;
1330 field->sizem1 = 1; /* 2B */
1331 field->alg = NIX_LSOALG_ADD_PAYLEN;
1335 field->layer = NIX_TXLAYER_OL3;
1338 /* Incremented linearly per segment */
1339 field->alg = NIX_LSOALG_ADD_SEGNUM;
1343 /* Outer UDP length */
1344 field->layer = NIX_TXLAYER_OL4;
1347 field->alg = NIX_LSOALG_ADD_PAYLEN;
1350 /* Inner IPv4/IPv6 */
1351 field->layer = NIX_TXLAYER_IL3;
1352 field->offset = inner_v4 ? 2 : 4;
1353 field->sizem1 = 1; /* 2B */
1354 field->alg = NIX_LSOALG_ADD_PAYLEN;
1358 field->layer = NIX_TXLAYER_IL3;
1361 /* Incremented linearly per segment */
1362 field->alg = NIX_LSOALG_ADD_SEGNUM;
1366 /* TCP sequence number update */
1367 field->layer = NIX_TXLAYER_IL4;
1369 field->sizem1 = 3; /* 4 bytes */
1370 field->alg = NIX_LSOALG_ADD_OFFSET;
1373 /* TCP flags field */
1374 field->layer = NIX_TXLAYER_IL4;
1377 field->alg = NIX_LSOALG_TCP_FLAGS;
1382 nix_lso_tun_tcp(struct nix_lso_format_cfg *req,
1383 bool outer_v4, bool inner_v4)
1385 volatile struct nix_lso_format *field;
1387 field = (volatile struct nix_lso_format *)&req->fields[0];
1388 req->field_mask = NIX_LSO_FIELD_MASK;
1389 /* Outer IPv4/IPv6 len */
1390 field->layer = NIX_TXLAYER_OL3;
1391 field->offset = outer_v4 ? 2 : 4;
1392 field->sizem1 = 1; /* 2B */
1393 field->alg = NIX_LSOALG_ADD_PAYLEN;
1397 field->layer = NIX_TXLAYER_OL3;
1400 /* Incremented linearly per segment */
1401 field->alg = NIX_LSOALG_ADD_SEGNUM;
1405 /* Inner IPv4/IPv6 */
1406 field->layer = NIX_TXLAYER_IL3;
1407 field->offset = inner_v4 ? 2 : 4;
1408 field->sizem1 = 1; /* 2B */
1409 field->alg = NIX_LSOALG_ADD_PAYLEN;
1413 field->layer = NIX_TXLAYER_IL3;
1416 /* Incremented linearly per segment */
1417 field->alg = NIX_LSOALG_ADD_SEGNUM;
1421 /* TCP sequence number update */
1422 field->layer = NIX_TXLAYER_IL4;
1424 field->sizem1 = 3; /* 4 bytes */
1425 field->alg = NIX_LSOALG_ADD_OFFSET;
1428 /* TCP flags field */
1429 field->layer = NIX_TXLAYER_IL4;
1432 field->alg = NIX_LSOALG_TCP_FLAGS;
1437 nix_setup_lso_formats(struct otx2_eth_dev *dev)
1439 struct otx2_mbox *mbox = dev->mbox;
1440 struct nix_lso_format_cfg_rsp *rsp;
1441 struct nix_lso_format_cfg *req;
1445 /* Skip if TSO was not requested */
1446 if (!(dev->tx_offload_flags & NIX_TX_OFFLOAD_TSO_F))
1451 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1452 nix_lso_tcp(req, true);
1453 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1457 base = rsp->lso_format_idx;
1458 if (base != NIX_LSO_FORMAT_IDX_TSOV4)
1460 dev->lso_base_idx = base;
1461 otx2_nix_dbg("tcpv4 lso fmt=%u", base);
1467 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1468 nix_lso_tcp(req, false);
1469 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1473 if (rsp->lso_format_idx != base + 1)
1475 otx2_nix_dbg("tcpv6 lso fmt=%u\n", base + 1);
1478 * IPv4/UDP/TUN HDR/IPv4/TCP LSO
1480 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1481 nix_lso_udp_tun_tcp(req, true, true);
1482 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1486 if (rsp->lso_format_idx != base + 2)
1488 otx2_nix_dbg("udp tun v4v4 fmt=%u\n", base + 2);
1491 * IPv4/UDP/TUN HDR/IPv6/TCP LSO
1493 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1494 nix_lso_udp_tun_tcp(req, true, false);
1495 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1499 if (rsp->lso_format_idx != base + 3)
1501 otx2_nix_dbg("udp tun v4v6 fmt=%u\n", base + 3);
1504 * IPv6/UDP/TUN HDR/IPv4/TCP LSO
1506 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1507 nix_lso_udp_tun_tcp(req, false, true);
1508 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1512 if (rsp->lso_format_idx != base + 4)
1514 otx2_nix_dbg("udp tun v6v4 fmt=%u\n", base + 4);
1517 * IPv6/UDP/TUN HDR/IPv6/TCP LSO
1519 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1520 nix_lso_udp_tun_tcp(req, false, false);
1521 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1524 if (rsp->lso_format_idx != base + 5)
1526 otx2_nix_dbg("udp tun v6v6 fmt=%u\n", base + 5);
1529 * IPv4/TUN HDR/IPv4/TCP LSO
1531 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1532 nix_lso_tun_tcp(req, true, true);
1533 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1537 if (rsp->lso_format_idx != base + 6)
1539 otx2_nix_dbg("tun v4v4 fmt=%u\n", base + 6);
1542 * IPv4/TUN HDR/IPv6/TCP LSO
1544 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1545 nix_lso_tun_tcp(req, true, false);
1546 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1550 if (rsp->lso_format_idx != base + 7)
1552 otx2_nix_dbg("tun v4v6 fmt=%u\n", base + 7);
1555 * IPv6/TUN HDR/IPv4/TCP LSO
1557 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1558 nix_lso_tun_tcp(req, false, true);
1559 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1563 if (rsp->lso_format_idx != base + 8)
1565 otx2_nix_dbg("tun v6v4 fmt=%u\n", base + 8);
1568 * IPv6/TUN HDR/IPv6/TCP LSO
1570 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1571 nix_lso_tun_tcp(req, false, false);
1572 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1575 if (rsp->lso_format_idx != base + 9)
1577 otx2_nix_dbg("tun v6v6 fmt=%u\n", base + 9);
1582 otx2_nix_configure(struct rte_eth_dev *eth_dev)
1584 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1585 struct rte_eth_dev_data *data = eth_dev->data;
1586 struct rte_eth_conf *conf = &data->dev_conf;
1587 struct rte_eth_rxmode *rxmode = &conf->rxmode;
1588 struct rte_eth_txmode *txmode = &conf->txmode;
1589 char ea_fmt[RTE_ETHER_ADDR_FMT_SIZE];
1590 struct rte_ether_addr *ea;
1591 uint8_t nb_rxq, nb_txq;
1597 if (rte_eal_has_hugepages() == 0) {
1598 otx2_err("Huge page is not configured");
1599 goto fail_configure;
1602 if (conf->dcb_capability_en == 1) {
1603 otx2_err("dcb enable is not supported");
1604 goto fail_configure;
1607 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
1608 otx2_err("Flow director is not supported");
1609 goto fail_configure;
1612 if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
1613 rxmode->mq_mode != ETH_MQ_RX_RSS) {
1614 otx2_err("Unsupported mq rx mode %d", rxmode->mq_mode);
1615 goto fail_configure;
1618 if (txmode->mq_mode != ETH_MQ_TX_NONE) {
1619 otx2_err("Unsupported mq tx mode %d", txmode->mq_mode);
1620 goto fail_configure;
1623 if (otx2_dev_is_Ax(dev) &&
1624 (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) &&
1625 ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
1626 (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) {
1627 otx2_err("Outer IP and SCTP checksum unsupported");
1628 goto fail_configure;
1631 /* Free the resources allocated from the previous configure */
1632 if (dev->configured == 1) {
1633 otx2_eth_sec_fini(eth_dev);
1634 otx2_nix_rxchan_bpid_cfg(eth_dev, false);
1635 otx2_nix_vlan_fini(eth_dev);
1636 otx2_nix_mc_addr_list_uninstall(eth_dev);
1637 otx2_flow_free_all_resources(dev);
1638 oxt2_nix_unregister_queue_irqs(eth_dev);
1639 if (eth_dev->data->dev_conf.intr_conf.rxq)
1640 oxt2_nix_unregister_cq_irqs(eth_dev);
1641 nix_set_nop_rxtx_function(eth_dev);
1642 rc = nix_store_queue_cfg_and_then_release(eth_dev);
1644 goto fail_configure;
1645 otx2_nix_tm_fini(eth_dev);
1649 dev->rx_offloads = rxmode->offloads;
1650 dev->tx_offloads = txmode->offloads;
1651 dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev);
1652 dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev);
1653 dev->rss_info.rss_grps = NIX_RSS_GRPS;
1655 nb_rxq = RTE_MAX(data->nb_rx_queues, 1);
1656 nb_txq = RTE_MAX(data->nb_tx_queues, 1);
1658 /* Alloc a nix lf */
1659 rc = nix_lf_alloc(dev, nb_rxq, nb_txq);
1661 otx2_err("Failed to init nix_lf rc=%d", rc);
1665 otx2_nix_err_intr_enb_dis(eth_dev, true);
1666 otx2_nix_ras_intr_enb_dis(eth_dev, true);
1669 dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_HIGIG) {
1670 otx2_err("Both PTP and switch header enabled");
1674 rc = nix_lf_switch_header_type_enable(dev, true);
1676 otx2_err("Failed to enable switch type nix_lf rc=%d", rc);
1680 rc = nix_setup_lso_formats(dev);
1682 otx2_err("failed to setup nix lso format fields, rc=%d", rc);
1687 rc = otx2_nix_rss_config(eth_dev);
1689 otx2_err("Failed to configure rss rc=%d", rc);
1693 /* Init the default TM scheduler hierarchy */
1694 rc = otx2_nix_tm_init_default(eth_dev);
1696 otx2_err("Failed to init traffic manager rc=%d", rc);
1700 rc = otx2_nix_vlan_offload_init(eth_dev);
1702 otx2_err("Failed to init vlan offload rc=%d", rc);
1706 /* Register queue IRQs */
1707 rc = oxt2_nix_register_queue_irqs(eth_dev);
1709 otx2_err("Failed to register queue interrupts rc=%d", rc);
1713 /* Register cq IRQs */
1714 if (eth_dev->data->dev_conf.intr_conf.rxq) {
1715 if (eth_dev->data->nb_rx_queues > dev->cints) {
1716 otx2_err("Rx interrupt cannot be enabled, rxq > %d",
1720 /* Rx interrupt feature cannot work with vector mode because,
1721 * vector mode doesn't process packets unless min 4 pkts are
1722 * received, while cq interrupts are generated even for 1 pkt
1725 dev->scalar_ena = true;
1727 rc = oxt2_nix_register_cq_irqs(eth_dev);
1729 otx2_err("Failed to register CQ interrupts rc=%d", rc);
1734 /* Configure loop back mode */
1735 rc = cgx_intlbk_enable(dev, eth_dev->data->dev_conf.lpbk_mode);
1737 otx2_err("Failed to configure cgx loop back mode rc=%d", rc);
1741 rc = otx2_nix_rxchan_bpid_cfg(eth_dev, true);
1743 otx2_err("Failed to configure nix rx chan bpid cfg rc=%d", rc);
1747 /* Enable security */
1748 rc = otx2_eth_sec_init(eth_dev);
1752 rc = otx2_nix_flow_ctrl_init(eth_dev);
1754 otx2_err("Failed to init flow ctrl mode %d", rc);
1758 rc = otx2_nix_mc_addr_list_install(eth_dev);
1760 otx2_err("Failed to install mc address list rc=%d", rc);
1765 * Restore queue config when reconfigure followed by
1766 * reconfigure and no queue configure invoked from application case.
1768 if (dev->configured == 1) {
1769 rc = nix_restore_queue_cfg(eth_dev);
1771 goto uninstall_mc_list;
1774 /* Update the mac address */
1775 ea = eth_dev->data->mac_addrs;
1776 memcpy(ea, dev->mac_addr, RTE_ETHER_ADDR_LEN);
1777 if (rte_is_zero_ether_addr(ea))
1778 rte_eth_random_addr((uint8_t *)ea);
1780 rte_ether_format_addr(ea_fmt, RTE_ETHER_ADDR_FMT_SIZE, ea);
1782 /* Apply new link configurations if changed */
1783 rc = otx2_apply_link_speed(eth_dev);
1785 otx2_err("Failed to set link configuration");
1786 goto uninstall_mc_list;
1789 otx2_nix_dbg("Configured port%d mac=%s nb_rxq=%d nb_txq=%d"
1790 " rx_offloads=0x%" PRIx64 " tx_offloads=0x%" PRIx64 ""
1791 " rx_flags=0x%x tx_flags=0x%x",
1792 eth_dev->data->port_id, ea_fmt, nb_rxq,
1793 nb_txq, dev->rx_offloads, dev->tx_offloads,
1794 dev->rx_offload_flags, dev->tx_offload_flags);
1797 dev->configured = 1;
1798 dev->configured_nb_rx_qs = data->nb_rx_queues;
1799 dev->configured_nb_tx_qs = data->nb_tx_queues;
1803 otx2_nix_mc_addr_list_uninstall(eth_dev);
1805 otx2_eth_sec_fini(eth_dev);
1807 oxt2_nix_unregister_cq_irqs(eth_dev);
1809 oxt2_nix_unregister_queue_irqs(eth_dev);
1811 otx2_nix_vlan_fini(eth_dev);
1813 otx2_nix_tm_fini(eth_dev);
1817 dev->rx_offload_flags &= ~nix_rx_offload_flags(eth_dev);
1818 dev->tx_offload_flags &= ~nix_tx_offload_flags(eth_dev);
1820 dev->configured = 0;
1825 otx2_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx)
1827 struct rte_eth_dev_data *data = eth_dev->data;
1828 struct otx2_eth_txq *txq;
1831 txq = eth_dev->data->tx_queues[qidx];
1833 if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
1836 rc = otx2_nix_sq_sqb_aura_fc(txq, true);
1838 otx2_err("Failed to enable sqb aura fc, txq=%u, rc=%d",
1843 data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
1850 otx2_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
1852 struct rte_eth_dev_data *data = eth_dev->data;
1853 struct otx2_eth_txq *txq;
1856 txq = eth_dev->data->tx_queues[qidx];
1858 if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
1861 txq->fc_cache_pkts = 0;
1863 rc = otx2_nix_sq_sqb_aura_fc(txq, false);
1865 otx2_err("Failed to disable sqb aura fc, txq=%u, rc=%d",
1870 data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1877 otx2_nix_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx)
1879 struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx];
1880 struct rte_eth_dev_data *data = eth_dev->data;
1883 if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
1886 rc = nix_rq_enb_dis(rxq->eth_dev, rxq, true);
1888 otx2_err("Failed to enable rxq=%u, rc=%d", qidx, rc);
1892 data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
1899 otx2_nix_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
1901 struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx];
1902 struct rte_eth_dev_data *data = eth_dev->data;
1905 if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
1908 rc = nix_rq_enb_dis(rxq->eth_dev, rxq, false);
1910 otx2_err("Failed to disable rxq=%u, rc=%d", qidx, rc);
1914 data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1921 otx2_nix_dev_stop(struct rte_eth_dev *eth_dev)
1923 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1924 struct rte_mbuf *rx_pkts[32];
1925 struct otx2_eth_rxq *rxq;
1926 int count, i, j, rc;
1928 nix_lf_switch_header_type_enable(dev, false);
1929 nix_cgx_stop_link_event(dev);
1930 npc_rx_disable(dev);
1932 /* Stop rx queues and free up pkts pending */
1933 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1934 rc = otx2_nix_rx_queue_stop(eth_dev, i);
1938 rxq = eth_dev->data->rx_queues[i];
1939 count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
1941 for (j = 0; j < count; j++)
1942 rte_pktmbuf_free(rx_pkts[j]);
1943 count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
1947 /* Stop tx queues */
1948 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
1949 otx2_nix_tx_queue_stop(eth_dev, i);
1953 otx2_nix_dev_start(struct rte_eth_dev *eth_dev)
1955 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1958 /* MTU recalculate should be avoided here if PTP is enabled by PF, as
1959 * otx2_nix_recalc_mtu would be invoked during otx2_nix_ptp_enable_vf
1962 if (eth_dev->data->nb_rx_queues != 0 && !otx2_ethdev_is_ptp_en(dev)) {
1963 rc = otx2_nix_recalc_mtu(eth_dev);
1968 /* Start rx queues */
1969 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1970 rc = otx2_nix_rx_queue_start(eth_dev, i);
1975 /* Start tx queues */
1976 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
1977 rc = otx2_nix_tx_queue_start(eth_dev, i);
1982 rc = otx2_nix_update_flow_ctrl_mode(eth_dev);
1984 otx2_err("Failed to update flow ctrl mode %d", rc);
1988 /* Enable PTP if it was requested by the app or if it is already
1989 * enabled in PF owning this VF
1991 memset(&dev->tstamp, 0, sizeof(struct otx2_timesync_info));
1992 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
1993 otx2_ethdev_is_ptp_en(dev))
1994 otx2_nix_timesync_enable(eth_dev);
1996 otx2_nix_timesync_disable(eth_dev);
1998 /* Update VF about data off shifted by 8 bytes if PTP already
1999 * enabled in PF owning this VF
2001 if (otx2_ethdev_is_ptp_en(dev) && otx2_dev_is_vf(dev))
2002 otx2_nix_ptp_enable_vf(eth_dev);
2004 rc = npc_rx_enable(dev);
2006 otx2_err("Failed to enable NPC rx %d", rc);
2010 otx2_nix_toggle_flag_link_cfg(dev, true);
2012 rc = nix_cgx_start_link_event(dev);
2014 otx2_err("Failed to start cgx link event %d", rc);
2018 otx2_nix_toggle_flag_link_cfg(dev, false);
2019 otx2_eth_set_tx_function(eth_dev);
2020 otx2_eth_set_rx_function(eth_dev);
2025 npc_rx_disable(dev);
2026 otx2_nix_toggle_flag_link_cfg(dev, false);
2030 static int otx2_nix_dev_reset(struct rte_eth_dev *eth_dev);
2031 static void otx2_nix_dev_close(struct rte_eth_dev *eth_dev);
2033 /* Initialize and register driver with DPDK Application */
2034 static const struct eth_dev_ops otx2_eth_dev_ops = {
2035 .dev_infos_get = otx2_nix_info_get,
2036 .dev_configure = otx2_nix_configure,
2037 .link_update = otx2_nix_link_update,
2038 .tx_queue_setup = otx2_nix_tx_queue_setup,
2039 .tx_queue_release = otx2_nix_tx_queue_release,
2040 .rx_queue_setup = otx2_nix_rx_queue_setup,
2041 .rx_queue_release = otx2_nix_rx_queue_release,
2042 .dev_start = otx2_nix_dev_start,
2043 .dev_stop = otx2_nix_dev_stop,
2044 .dev_close = otx2_nix_dev_close,
2045 .tx_queue_start = otx2_nix_tx_queue_start,
2046 .tx_queue_stop = otx2_nix_tx_queue_stop,
2047 .rx_queue_start = otx2_nix_rx_queue_start,
2048 .rx_queue_stop = otx2_nix_rx_queue_stop,
2049 .dev_set_link_up = otx2_nix_dev_set_link_up,
2050 .dev_set_link_down = otx2_nix_dev_set_link_down,
2051 .dev_supported_ptypes_get = otx2_nix_supported_ptypes_get,
2052 .dev_ptypes_set = otx2_nix_ptypes_set,
2053 .dev_reset = otx2_nix_dev_reset,
2054 .stats_get = otx2_nix_dev_stats_get,
2055 .stats_reset = otx2_nix_dev_stats_reset,
2056 .get_reg = otx2_nix_dev_get_reg,
2057 .mtu_set = otx2_nix_mtu_set,
2058 .mac_addr_add = otx2_nix_mac_addr_add,
2059 .mac_addr_remove = otx2_nix_mac_addr_del,
2060 .mac_addr_set = otx2_nix_mac_addr_set,
2061 .set_mc_addr_list = otx2_nix_set_mc_addr_list,
2062 .promiscuous_enable = otx2_nix_promisc_enable,
2063 .promiscuous_disable = otx2_nix_promisc_disable,
2064 .allmulticast_enable = otx2_nix_allmulticast_enable,
2065 .allmulticast_disable = otx2_nix_allmulticast_disable,
2066 .queue_stats_mapping_set = otx2_nix_queue_stats_mapping,
2067 .reta_update = otx2_nix_dev_reta_update,
2068 .reta_query = otx2_nix_dev_reta_query,
2069 .rss_hash_update = otx2_nix_rss_hash_update,
2070 .rss_hash_conf_get = otx2_nix_rss_hash_conf_get,
2071 .xstats_get = otx2_nix_xstats_get,
2072 .xstats_get_names = otx2_nix_xstats_get_names,
2073 .xstats_reset = otx2_nix_xstats_reset,
2074 .xstats_get_by_id = otx2_nix_xstats_get_by_id,
2075 .xstats_get_names_by_id = otx2_nix_xstats_get_names_by_id,
2076 .rxq_info_get = otx2_nix_rxq_info_get,
2077 .txq_info_get = otx2_nix_txq_info_get,
2078 .rx_burst_mode_get = otx2_rx_burst_mode_get,
2079 .tx_burst_mode_get = otx2_tx_burst_mode_get,
2080 .rx_queue_count = otx2_nix_rx_queue_count,
2081 .rx_descriptor_done = otx2_nix_rx_descriptor_done,
2082 .rx_descriptor_status = otx2_nix_rx_descriptor_status,
2083 .tx_descriptor_status = otx2_nix_tx_descriptor_status,
2084 .tx_done_cleanup = otx2_nix_tx_done_cleanup,
2085 .set_queue_rate_limit = otx2_nix_tm_set_queue_rate_limit,
2086 .pool_ops_supported = otx2_nix_pool_ops_supported,
2087 .filter_ctrl = otx2_nix_dev_filter_ctrl,
2088 .get_module_info = otx2_nix_get_module_info,
2089 .get_module_eeprom = otx2_nix_get_module_eeprom,
2090 .fw_version_get = otx2_nix_fw_version_get,
2091 .flow_ctrl_get = otx2_nix_flow_ctrl_get,
2092 .flow_ctrl_set = otx2_nix_flow_ctrl_set,
2093 .timesync_enable = otx2_nix_timesync_enable,
2094 .timesync_disable = otx2_nix_timesync_disable,
2095 .timesync_read_rx_timestamp = otx2_nix_timesync_read_rx_timestamp,
2096 .timesync_read_tx_timestamp = otx2_nix_timesync_read_tx_timestamp,
2097 .timesync_adjust_time = otx2_nix_timesync_adjust_time,
2098 .timesync_read_time = otx2_nix_timesync_read_time,
2099 .timesync_write_time = otx2_nix_timesync_write_time,
2100 .vlan_offload_set = otx2_nix_vlan_offload_set,
2101 .vlan_filter_set = otx2_nix_vlan_filter_set,
2102 .vlan_strip_queue_set = otx2_nix_vlan_strip_queue_set,
2103 .vlan_tpid_set = otx2_nix_vlan_tpid_set,
2104 .vlan_pvid_set = otx2_nix_vlan_pvid_set,
2105 .rx_queue_intr_enable = otx2_nix_rx_queue_intr_enable,
2106 .rx_queue_intr_disable = otx2_nix_rx_queue_intr_disable,
2107 .read_clock = otx2_nix_read_clock,
2111 nix_lf_attach(struct otx2_eth_dev *dev)
2113 struct otx2_mbox *mbox = dev->mbox;
2114 struct rsrc_attach_req *req;
2116 /* Attach NIX(lf) */
2117 req = otx2_mbox_alloc_msg_attach_resources(mbox);
2121 return otx2_mbox_process(mbox);
2125 nix_lf_get_msix_offset(struct otx2_eth_dev *dev)
2127 struct otx2_mbox *mbox = dev->mbox;
2128 struct msix_offset_rsp *msix_rsp;
2131 /* Get NPA and NIX MSIX vector offsets */
2132 otx2_mbox_alloc_msg_msix_offset(mbox);
2134 rc = otx2_mbox_process_msg(mbox, (void *)&msix_rsp);
2136 dev->nix_msixoff = msix_rsp->nix_msixoff;
2142 otx2_eth_dev_lf_detach(struct otx2_mbox *mbox)
2144 struct rsrc_detach_req *req;
2146 req = otx2_mbox_alloc_msg_detach_resources(mbox);
2148 /* Detach all except npa lf */
2149 req->partial = true;
2156 return otx2_mbox_process(mbox);
2160 otx2_eth_dev_is_sdp(struct rte_pci_device *pci_dev)
2162 if (pci_dev->id.device_id == PCI_DEVID_OCTEONTX2_RVU_SDP_PF ||
2163 pci_dev->id.device_id == PCI_DEVID_OCTEONTX2_RVU_SDP_VF)
2169 otx2_eth_dev_init(struct rte_eth_dev *eth_dev)
2171 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
2172 struct rte_pci_device *pci_dev;
2173 int rc, max_entries;
2175 eth_dev->dev_ops = &otx2_eth_dev_ops;
2177 /* For secondary processes, the primary has done all the work */
2178 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2179 /* Setup callbacks for secondary process */
2180 otx2_eth_set_tx_function(eth_dev);
2181 otx2_eth_set_rx_function(eth_dev);
2185 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2187 rte_eth_copy_pci_info(eth_dev, pci_dev);
2188 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
2190 /* Zero out everything after OTX2_DEV to allow proper dev_reset() */
2191 memset(&dev->otx2_eth_dev_data_start, 0, sizeof(*dev) -
2192 offsetof(struct otx2_eth_dev, otx2_eth_dev_data_start));
2194 /* Parse devargs string */
2195 rc = otx2_ethdev_parse_devargs(eth_dev->device->devargs, dev);
2197 otx2_err("Failed to parse devargs rc=%d", rc);
2201 if (!dev->mbox_active) {
2202 /* Initialize the base otx2_dev object
2203 * only if already present
2205 rc = otx2_dev_init(pci_dev, dev);
2207 otx2_err("Failed to initialize otx2_dev rc=%d", rc);
2211 if (otx2_eth_dev_is_sdp(pci_dev))
2212 dev->sdp_link = true;
2214 dev->sdp_link = false;
2215 /* Device generic callbacks */
2216 dev->ops = &otx2_dev_ops;
2217 dev->eth_dev = eth_dev;
2219 /* Grab the NPA LF if required */
2220 rc = otx2_npa_lf_init(pci_dev, dev);
2222 goto otx2_dev_uninit;
2224 dev->configured = 0;
2225 dev->drv_inited = true;
2226 dev->ptype_disable = 0;
2227 dev->base = dev->bar2 + (RVU_BLOCK_ADDR_NIX0 << 20);
2228 dev->lmt_addr = dev->bar2 + (RVU_BLOCK_ADDR_LMT << 20);
2231 rc = nix_lf_attach(dev);
2233 goto otx2_npa_uninit;
2235 /* Get NIX MSIX offset */
2236 rc = nix_lf_get_msix_offset(dev);
2238 goto otx2_npa_uninit;
2240 /* Register LF irq handlers */
2241 rc = otx2_nix_register_irqs(eth_dev);
2245 /* Get maximum number of supported MAC entries */
2246 max_entries = otx2_cgx_mac_max_entries_get(dev);
2247 if (max_entries < 0) {
2248 otx2_err("Failed to get max entries for mac addr");
2250 goto unregister_irq;
2253 /* For VFs, returned max_entries will be 0. But to keep default MAC
2254 * address, one entry must be allocated. So setting up to 1.
2256 if (max_entries == 0)
2259 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", max_entries *
2260 RTE_ETHER_ADDR_LEN, 0);
2261 if (eth_dev->data->mac_addrs == NULL) {
2262 otx2_err("Failed to allocate memory for mac addr");
2264 goto unregister_irq;
2267 dev->max_mac_entries = max_entries;
2269 rc = otx2_nix_mac_addr_get(eth_dev, dev->mac_addr);
2271 goto free_mac_addrs;
2273 /* Update the mac address */
2274 memcpy(eth_dev->data->mac_addrs, dev->mac_addr, RTE_ETHER_ADDR_LEN);
2276 /* Also sync same MAC address to CGX table */
2277 otx2_cgx_mac_addr_set(eth_dev, ð_dev->data->mac_addrs[0]);
2279 /* Initialize the tm data structures */
2280 otx2_nix_tm_conf_init(eth_dev);
2282 dev->tx_offload_capa = nix_get_tx_offload_capa(dev);
2283 dev->rx_offload_capa = nix_get_rx_offload_capa(dev);
2285 if (otx2_dev_is_96xx_A0(dev) ||
2286 otx2_dev_is_95xx_Ax(dev)) {
2287 dev->hwcap |= OTX2_FIXUP_F_MIN_4K_Q;
2288 dev->hwcap |= OTX2_FIXUP_F_LIMIT_CQ_FULL;
2291 /* Create security ctx */
2292 rc = otx2_eth_sec_ctx_create(eth_dev);
2294 goto free_mac_addrs;
2295 dev->tx_offload_capa |= DEV_TX_OFFLOAD_SECURITY;
2296 dev->rx_offload_capa |= DEV_RX_OFFLOAD_SECURITY;
2298 /* Initialize rte-flow */
2299 rc = otx2_flow_init(dev);
2301 goto sec_ctx_destroy;
2303 otx2_nix_mc_filter_init(dev);
2305 otx2_nix_dbg("Port=%d pf=%d vf=%d ver=%s msix_off=%d hwcap=0x%" PRIx64
2306 " rxoffload_capa=0x%" PRIx64 " txoffload_capa=0x%" PRIx64,
2307 eth_dev->data->port_id, dev->pf, dev->vf,
2308 OTX2_ETH_DEV_PMD_VERSION, dev->nix_msixoff, dev->hwcap,
2309 dev->rx_offload_capa, dev->tx_offload_capa);
2313 otx2_eth_sec_ctx_destroy(eth_dev);
2315 rte_free(eth_dev->data->mac_addrs);
2317 otx2_nix_unregister_irqs(eth_dev);
2319 otx2_eth_dev_lf_detach(dev->mbox);
2323 otx2_dev_fini(pci_dev, dev);
2325 otx2_err("Failed to init nix eth_dev rc=%d", rc);
2330 otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
2332 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
2333 struct rte_pci_device *pci_dev;
2336 /* Nothing to be done for secondary processes */
2337 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2340 /* Clear the flag since we are closing down */
2341 dev->configured = 0;
2343 /* Disable nix bpid config */
2344 otx2_nix_rxchan_bpid_cfg(eth_dev, false);
2346 npc_rx_disable(dev);
2348 /* Disable vlan offloads */
2349 otx2_nix_vlan_fini(eth_dev);
2351 /* Disable other rte_flow entries */
2352 otx2_flow_fini(dev);
2354 /* Free multicast filter list */
2355 otx2_nix_mc_filter_fini(dev);
2357 /* Disable PTP if already enabled */
2358 if (otx2_ethdev_is_ptp_en(dev))
2359 otx2_nix_timesync_disable(eth_dev);
2361 nix_cgx_stop_link_event(dev);
2364 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
2365 otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]);
2366 eth_dev->data->tx_queues[i] = NULL;
2368 eth_dev->data->nb_tx_queues = 0;
2370 /* Free up RQ's and CQ's */
2371 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
2372 otx2_nix_rx_queue_release(eth_dev->data->rx_queues[i]);
2373 eth_dev->data->rx_queues[i] = NULL;
2375 eth_dev->data->nb_rx_queues = 0;
2377 /* Free tm resources */
2378 rc = otx2_nix_tm_fini(eth_dev);
2380 otx2_err("Failed to cleanup tm, rc=%d", rc);
2382 /* Unregister queue irqs */
2383 oxt2_nix_unregister_queue_irqs(eth_dev);
2385 /* Unregister cq irqs */
2386 if (eth_dev->data->dev_conf.intr_conf.rxq)
2387 oxt2_nix_unregister_cq_irqs(eth_dev);
2389 rc = nix_lf_free(dev);
2391 otx2_err("Failed to free nix lf, rc=%d", rc);
2393 rc = otx2_npa_lf_fini();
2395 otx2_err("Failed to cleanup npa lf, rc=%d", rc);
2397 /* Disable security */
2398 otx2_eth_sec_fini(eth_dev);
2400 /* Destroy security ctx */
2401 otx2_eth_sec_ctx_destroy(eth_dev);
2403 rte_free(eth_dev->data->mac_addrs);
2404 eth_dev->data->mac_addrs = NULL;
2405 dev->drv_inited = false;
2407 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2408 otx2_nix_unregister_irqs(eth_dev);
2410 rc = otx2_eth_dev_lf_detach(dev->mbox);
2412 otx2_err("Failed to detach resources, rc=%d", rc);
2414 /* Check if mbox close is needed */
2418 if (otx2_npa_lf_active(dev) || otx2_dev_active_vfs(dev)) {
2419 /* Will be freed later by PMD */
2420 eth_dev->data->dev_private = NULL;
2424 otx2_dev_fini(pci_dev, dev);
2429 otx2_nix_dev_close(struct rte_eth_dev *eth_dev)
2431 otx2_eth_dev_uninit(eth_dev, true);
2435 otx2_nix_dev_reset(struct rte_eth_dev *eth_dev)
2439 rc = otx2_eth_dev_uninit(eth_dev, false);
2443 return otx2_eth_dev_init(eth_dev);
2447 nix_remove(struct rte_pci_device *pci_dev)
2449 struct rte_eth_dev *eth_dev;
2450 struct otx2_idev_cfg *idev;
2451 struct otx2_dev *otx2_dev;
2454 eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
2456 /* Cleanup eth dev */
2457 rc = otx2_eth_dev_uninit(eth_dev, true);
2461 rte_eth_dev_pci_release(eth_dev);
2464 /* Nothing to be done for secondary processes */
2465 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2468 /* Check for common resources */
2469 idev = otx2_intra_dev_get_cfg();
2470 if (!idev || !idev->npa_lf || idev->npa_lf->pci_dev != pci_dev)
2473 otx2_dev = container_of(idev->npa_lf, struct otx2_dev, npalf);
2475 if (otx2_npa_lf_active(otx2_dev) || otx2_dev_active_vfs(otx2_dev))
2478 /* Safe to cleanup mbox as no more users */
2479 otx2_dev_fini(pci_dev, otx2_dev);
2484 otx2_info("%s: common resource in use by other devices", pci_dev->name);
2489 nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
2493 RTE_SET_USED(pci_drv);
2495 rc = rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct otx2_eth_dev),
2498 /* On error on secondary, recheck if port exists in primary or
2499 * in mid of detach state.
2501 if (rte_eal_process_type() != RTE_PROC_PRIMARY && rc)
2502 if (!rte_eth_dev_allocated(pci_dev->device.name))
2507 static const struct rte_pci_id pci_nix_map[] = {
2509 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_PF)
2512 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_VF)
2515 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
2516 PCI_DEVID_OCTEONTX2_RVU_AF_VF)
2519 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
2520 PCI_DEVID_OCTEONTX2_RVU_SDP_PF)
2523 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
2524 PCI_DEVID_OCTEONTX2_RVU_SDP_VF)
2531 static struct rte_pci_driver pci_nix = {
2532 .id_table = pci_nix_map,
2533 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
2534 RTE_PCI_DRV_INTR_LSC,
2536 .remove = nix_remove,
2539 RTE_PMD_REGISTER_PCI(net_octeontx2, pci_nix);
2540 RTE_PMD_REGISTER_PCI_TABLE(net_octeontx2, pci_nix_map);
2541 RTE_PMD_REGISTER_KMOD_DEP(net_octeontx2, "vfio-pci");