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 if (dev->rss_tag_as_xor == 0)
75 req->flags = NIX_LF_RSS_TAG_LSB_AS_ADDER;
77 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
81 dev->sqb_size = rsp->sqb_size;
82 dev->tx_chan_base = rsp->tx_chan_base;
83 dev->rx_chan_base = rsp->rx_chan_base;
84 dev->rx_chan_cnt = rsp->rx_chan_cnt;
85 dev->tx_chan_cnt = rsp->tx_chan_cnt;
86 dev->lso_tsov4_idx = rsp->lso_tsov4_idx;
87 dev->lso_tsov6_idx = rsp->lso_tsov6_idx;
88 dev->lf_tx_stats = rsp->lf_tx_stats;
89 dev->lf_rx_stats = rsp->lf_rx_stats;
90 dev->cints = rsp->cints;
91 dev->qints = rsp->qints;
92 dev->npc_flow.channel = dev->rx_chan_base;
93 dev->ptp_en = rsp->hw_rx_tstamp_en;
99 nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev, bool enable)
101 struct otx2_mbox *mbox = dev->mbox;
102 struct npc_set_pkind *req;
103 struct msg_resp *rsp;
106 if (dev->npc_flow.switch_header_type == 0)
109 /* Notify AF about higig2 config */
110 req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
111 req->mode = dev->npc_flow.switch_header_type;
113 req->mode = OTX2_PRIV_FLAGS_DEFAULT;
115 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
118 req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
119 req->mode = dev->npc_flow.switch_header_type;
121 req->mode = OTX2_PRIV_FLAGS_DEFAULT;
123 return otx2_mbox_process_msg(mbox, (void *)&rsp);
127 nix_lf_free(struct otx2_eth_dev *dev)
129 struct otx2_mbox *mbox = dev->mbox;
130 struct nix_lf_free_req *req;
131 struct ndc_sync_op *ndc_req;
134 /* Sync NDC-NIX for LF */
135 ndc_req = otx2_mbox_alloc_msg_ndc_sync_op(mbox);
136 ndc_req->nix_lf_tx_sync = 1;
137 ndc_req->nix_lf_rx_sync = 1;
138 rc = otx2_mbox_process(mbox);
140 otx2_err("Error on NDC-NIX-[TX, RX] LF sync, rc %d", rc);
142 req = otx2_mbox_alloc_msg_nix_lf_free(mbox);
143 /* Let AF driver free all this nix lf's
144 * NPC entries allocated using NPC MBOX.
148 return otx2_mbox_process(mbox);
152 otx2_cgx_rxtx_start(struct otx2_eth_dev *dev)
154 struct otx2_mbox *mbox = dev->mbox;
156 if (otx2_dev_is_vf_or_sdp(dev))
159 otx2_mbox_alloc_msg_cgx_start_rxtx(mbox);
161 return otx2_mbox_process(mbox);
165 otx2_cgx_rxtx_stop(struct otx2_eth_dev *dev)
167 struct otx2_mbox *mbox = dev->mbox;
169 if (otx2_dev_is_vf_or_sdp(dev))
172 otx2_mbox_alloc_msg_cgx_stop_rxtx(mbox);
174 return otx2_mbox_process(mbox);
178 npc_rx_enable(struct otx2_eth_dev *dev)
180 struct otx2_mbox *mbox = dev->mbox;
182 otx2_mbox_alloc_msg_nix_lf_start_rx(mbox);
184 return otx2_mbox_process(mbox);
188 npc_rx_disable(struct otx2_eth_dev *dev)
190 struct otx2_mbox *mbox = dev->mbox;
192 otx2_mbox_alloc_msg_nix_lf_stop_rx(mbox);
194 return otx2_mbox_process(mbox);
198 nix_cgx_start_link_event(struct otx2_eth_dev *dev)
200 struct otx2_mbox *mbox = dev->mbox;
202 if (otx2_dev_is_vf_or_sdp(dev))
205 otx2_mbox_alloc_msg_cgx_start_linkevents(mbox);
207 return otx2_mbox_process(mbox);
211 cgx_intlbk_enable(struct otx2_eth_dev *dev, bool en)
213 struct otx2_mbox *mbox = dev->mbox;
215 if (en && otx2_dev_is_vf_or_sdp(dev))
219 otx2_mbox_alloc_msg_cgx_intlbk_enable(mbox);
221 otx2_mbox_alloc_msg_cgx_intlbk_disable(mbox);
223 return otx2_mbox_process(mbox);
227 nix_cgx_stop_link_event(struct otx2_eth_dev *dev)
229 struct otx2_mbox *mbox = dev->mbox;
231 if (otx2_dev_is_vf_or_sdp(dev))
234 otx2_mbox_alloc_msg_cgx_stop_linkevents(mbox);
236 return otx2_mbox_process(mbox);
240 nix_rx_queue_reset(struct otx2_eth_rxq *rxq)
246 static inline uint32_t
247 nix_qsize_to_val(enum nix_q_size_e qsize)
249 return (16UL << (qsize * 2));
252 static inline enum nix_q_size_e
253 nix_qsize_clampup_get(struct otx2_eth_dev *dev, uint32_t val)
257 if (otx2_ethdev_fixup_is_min_4k_q(dev))
262 for (; i < nix_q_size_max; i++)
263 if (val <= nix_qsize_to_val(i))
266 if (i >= nix_q_size_max)
267 i = nix_q_size_max - 1;
273 nix_cq_rq_init(struct rte_eth_dev *eth_dev, struct otx2_eth_dev *dev,
274 uint16_t qid, struct otx2_eth_rxq *rxq, struct rte_mempool *mp)
276 struct otx2_mbox *mbox = dev->mbox;
277 const struct rte_memzone *rz;
278 uint32_t ring_size, cq_size;
279 struct nix_aq_enq_req *aq;
284 ring_size = cq_size * NIX_CQ_ENTRY_SZ;
285 rz = rte_eth_dma_zone_reserve(eth_dev, "cq", qid, ring_size,
286 NIX_CQ_ALIGN, dev->node);
288 otx2_err("Failed to allocate mem for cq hw ring");
292 memset(rz->addr, 0, rz->len);
293 rxq->desc = (uintptr_t)rz->addr;
294 rxq->qmask = cq_size - 1;
296 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
298 aq->ctype = NIX_AQ_CTYPE_CQ;
299 aq->op = NIX_AQ_INSTOP_INIT;
303 aq->cq.qsize = rxq->qsize;
304 aq->cq.base = rz->iova;
305 aq->cq.avg_level = 0xff;
306 aq->cq.cq_err_int_ena = BIT(NIX_CQERRINT_CQE_FAULT);
307 aq->cq.cq_err_int_ena |= BIT(NIX_CQERRINT_DOOR_ERR);
309 /* Many to one reduction */
310 aq->cq.qint_idx = qid % dev->qints;
311 /* Map CQ0 [RQ0] to CINT0 and so on till max 64 irqs */
312 aq->cq.cint_idx = qid;
314 if (otx2_ethdev_fixup_is_limit_cq_full(dev)) {
315 const float rx_cq_skid = NIX_CQ_FULL_ERRATA_SKID;
316 uint16_t min_rx_drop;
318 min_rx_drop = ceil(rx_cq_skid / (float)cq_size);
319 aq->cq.drop = min_rx_drop;
321 rxq->cq_drop = min_rx_drop;
323 rxq->cq_drop = NIX_CQ_THRESH_LEVEL;
324 aq->cq.drop = rxq->cq_drop;
328 /* TX pause frames enable flowctrl on RX side */
329 if (dev->fc_info.tx_pause) {
330 /* Single bpid is allocated for all rx channels for now */
331 aq->cq.bpid = dev->fc_info.bpid[0];
332 aq->cq.bp = rxq->cq_drop;
336 rc = otx2_mbox_process(mbox);
338 otx2_err("Failed to init cq context");
342 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
344 aq->ctype = NIX_AQ_CTYPE_RQ;
345 aq->op = NIX_AQ_INSTOP_INIT;
349 if (rxq->offloads & DEV_RX_OFFLOAD_SECURITY)
350 aq->rq.ipsech_ena = 1;
352 aq->rq.cq = qid; /* RQ to CQ 1:1 mapped */
354 aq->rq.lpb_aura = npa_lf_aura_handle_to_aura(mp->pool_id);
355 first_skip = (sizeof(struct rte_mbuf));
356 first_skip += RTE_PKTMBUF_HEADROOM;
357 first_skip += rte_pktmbuf_priv_size(mp);
358 rxq->data_off = first_skip;
360 first_skip /= 8; /* Expressed in number of dwords */
361 aq->rq.first_skip = first_skip;
362 aq->rq.later_skip = (sizeof(struct rte_mbuf) / 8);
363 aq->rq.flow_tagw = 32; /* 32-bits */
364 aq->rq.lpb_sizem1 = rte_pktmbuf_data_room_size(mp);
365 aq->rq.lpb_sizem1 += rte_pktmbuf_priv_size(mp);
366 aq->rq.lpb_sizem1 += sizeof(struct rte_mbuf);
367 aq->rq.lpb_sizem1 /= 8;
368 aq->rq.lpb_sizem1 -= 1; /* Expressed in size minus one */
370 aq->rq.pb_caching = 0x2; /* First cache aligned block to LLC */
371 aq->rq.xqe_imm_size = 0; /* No pkt data copy to CQE */
372 aq->rq.rq_int_ena = 0;
373 /* Many to one reduction */
374 aq->rq.qint_idx = qid % dev->qints;
376 aq->rq.xqe_drop_ena = 1;
378 rc = otx2_mbox_process(mbox);
380 otx2_err("Failed to init rq context");
390 nix_rq_enb_dis(struct rte_eth_dev *eth_dev,
391 struct otx2_eth_rxq *rxq, const bool enb)
393 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
394 struct otx2_mbox *mbox = dev->mbox;
395 struct nix_aq_enq_req *aq;
397 /* Pkts will be dropped silently if RQ is disabled */
398 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
400 aq->ctype = NIX_AQ_CTYPE_RQ;
401 aq->op = NIX_AQ_INSTOP_WRITE;
404 aq->rq_mask.ena = ~(aq->rq_mask.ena);
406 return otx2_mbox_process(mbox);
410 nix_cq_rq_uninit(struct rte_eth_dev *eth_dev, struct otx2_eth_rxq *rxq)
412 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
413 struct otx2_mbox *mbox = dev->mbox;
414 struct nix_aq_enq_req *aq;
417 /* RQ is already disabled */
419 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
421 aq->ctype = NIX_AQ_CTYPE_CQ;
422 aq->op = NIX_AQ_INSTOP_WRITE;
425 aq->cq_mask.ena = ~(aq->cq_mask.ena);
427 rc = otx2_mbox_process(mbox);
429 otx2_err("Failed to disable cq context");
437 nix_get_data_off(struct otx2_eth_dev *dev)
439 return otx2_ethdev_is_ptp_en(dev) ? NIX_TIMESYNC_RX_OFFSET : 0;
443 otx2_nix_rxq_mbuf_setup(struct otx2_eth_dev *dev, uint16_t port_id)
445 struct rte_mbuf mb_def;
448 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) % 8 != 0);
449 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, refcnt) -
450 offsetof(struct rte_mbuf, data_off) != 2);
451 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, nb_segs) -
452 offsetof(struct rte_mbuf, data_off) != 4);
453 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, port) -
454 offsetof(struct rte_mbuf, data_off) != 6);
456 mb_def.data_off = RTE_PKTMBUF_HEADROOM + nix_get_data_off(dev);
457 mb_def.port = port_id;
458 rte_mbuf_refcnt_set(&mb_def, 1);
460 /* Prevent compiler reordering: rearm_data covers previous fields */
461 rte_compiler_barrier();
462 tmp = (uint64_t *)&mb_def.rearm_data;
468 otx2_nix_rx_queue_release(void *rx_queue)
470 struct otx2_eth_rxq *rxq = rx_queue;
475 otx2_nix_dbg("Releasing rxq %u", rxq->rq);
476 nix_cq_rq_uninit(rxq->eth_dev, rxq);
481 otx2_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t rq,
482 uint16_t nb_desc, unsigned int socket,
483 const struct rte_eth_rxconf *rx_conf,
484 struct rte_mempool *mp)
486 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
487 struct rte_mempool_ops *ops;
488 struct otx2_eth_rxq *rxq;
489 const char *platform_ops;
490 enum nix_q_size_e qsize;
496 /* Compile time check to make sure all fast path elements in a CL */
497 RTE_BUILD_BUG_ON(offsetof(struct otx2_eth_rxq, slow_path_start) >= 128);
500 if (rx_conf->rx_deferred_start == 1) {
501 otx2_err("Deferred Rx start is not supported");
505 platform_ops = rte_mbuf_platform_mempool_ops();
506 /* This driver needs octeontx2_npa mempool ops to work */
507 ops = rte_mempool_get_ops(mp->ops_index);
508 if (strncmp(ops->name, platform_ops, RTE_MEMPOOL_OPS_NAMESIZE)) {
509 otx2_err("mempool ops should be of octeontx2_npa type");
513 if (mp->pool_id == 0) {
514 otx2_err("Invalid pool_id");
518 /* Free memory prior to re-allocation if needed */
519 if (eth_dev->data->rx_queues[rq] != NULL) {
520 otx2_nix_dbg("Freeing memory prior to re-allocation %d", rq);
521 otx2_nix_rx_queue_release(eth_dev->data->rx_queues[rq]);
522 eth_dev->data->rx_queues[rq] = NULL;
525 offloads = rx_conf->offloads | eth_dev->data->dev_conf.rxmode.offloads;
526 dev->rx_offloads |= offloads;
528 /* Find the CQ queue size */
529 qsize = nix_qsize_clampup_get(dev, nb_desc);
530 /* Allocate rxq memory */
531 rxq = rte_zmalloc_socket("otx2 rxq", sizeof(*rxq), OTX2_ALIGN, socket);
533 otx2_err("Failed to allocate rq=%d", rq);
538 rxq->eth_dev = eth_dev;
540 rxq->cq_door = dev->base + NIX_LF_CQ_OP_DOOR;
541 rxq->cq_status = (int64_t *)(dev->base + NIX_LF_CQ_OP_STATUS);
542 rxq->wdata = (uint64_t)rq << 32;
543 rxq->aura = npa_lf_aura_handle_to_aura(mp->pool_id);
544 rxq->mbuf_initializer = otx2_nix_rxq_mbuf_setup(dev,
545 eth_dev->data->port_id);
546 rxq->offloads = offloads;
548 rxq->qlen = nix_qsize_to_val(qsize);
550 rxq->lookup_mem = otx2_nix_fastpath_lookup_mem_get();
551 rxq->tstamp = &dev->tstamp;
553 /* Alloc completion queue */
554 rc = nix_cq_rq_init(eth_dev, dev, rq, rxq, mp);
556 otx2_err("Failed to allocate rxq=%u", rq);
560 rxq->qconf.socket_id = socket;
561 rxq->qconf.nb_desc = nb_desc;
562 rxq->qconf.mempool = mp;
563 memcpy(&rxq->qconf.conf.rx, rx_conf, sizeof(struct rte_eth_rxconf));
565 nix_rx_queue_reset(rxq);
566 otx2_nix_dbg("rq=%d pool=%s qsize=%d nb_desc=%d->%d",
567 rq, mp->name, qsize, nb_desc, rxq->qlen);
569 eth_dev->data->rx_queues[rq] = rxq;
570 eth_dev->data->rx_queue_state[rq] = RTE_ETH_QUEUE_STATE_STOPPED;
572 /* Calculating delta and freq mult between PTP HI clock and tsc.
573 * These are needed in deriving raw clock value from tsc counter.
574 * read_clock eth op returns raw clock value.
576 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
577 otx2_ethdev_is_ptp_en(dev)) {
578 rc = otx2_nix_raw_clock_tsc_conv(dev);
580 otx2_err("Failed to calculate delta and freq mult");
588 otx2_nix_rx_queue_release(rxq);
593 static inline uint8_t
594 nix_sq_max_sqe_sz(struct otx2_eth_txq *txq)
597 * Maximum three segments can be supported with W8, Choose
598 * NIX_MAXSQESZ_W16 for multi segment offload.
600 if (txq->offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
601 return NIX_MAXSQESZ_W16;
603 return NIX_MAXSQESZ_W8;
607 nix_rx_offload_flags(struct rte_eth_dev *eth_dev)
609 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
610 struct rte_eth_dev_data *data = eth_dev->data;
611 struct rte_eth_conf *conf = &data->dev_conf;
612 struct rte_eth_rxmode *rxmode = &conf->rxmode;
615 if (rxmode->mq_mode == ETH_MQ_RX_RSS &&
616 (dev->rx_offloads & DEV_RX_OFFLOAD_RSS_HASH))
617 flags |= NIX_RX_OFFLOAD_RSS_F;
619 if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
620 DEV_RX_OFFLOAD_UDP_CKSUM))
621 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
623 if (dev->rx_offloads & (DEV_RX_OFFLOAD_IPV4_CKSUM |
624 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
625 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
627 if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER)
628 flags |= NIX_RX_MULTI_SEG_F;
630 if (dev->rx_offloads & (DEV_RX_OFFLOAD_VLAN_STRIP |
631 DEV_RX_OFFLOAD_QINQ_STRIP))
632 flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F;
634 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
635 flags |= NIX_RX_OFFLOAD_TSTAMP_F;
637 if (dev->rx_offloads & DEV_RX_OFFLOAD_SECURITY)
638 flags |= NIX_RX_OFFLOAD_SECURITY_F;
640 if (!dev->ptype_disable)
641 flags |= NIX_RX_OFFLOAD_PTYPE_F;
647 nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
649 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
650 uint64_t conf = dev->tx_offloads;
653 /* Fastpath is dependent on these enums */
654 RTE_BUILD_BUG_ON(PKT_TX_TCP_CKSUM != (1ULL << 52));
655 RTE_BUILD_BUG_ON(PKT_TX_SCTP_CKSUM != (2ULL << 52));
656 RTE_BUILD_BUG_ON(PKT_TX_UDP_CKSUM != (3ULL << 52));
657 RTE_BUILD_BUG_ON(PKT_TX_IP_CKSUM != (1ULL << 54));
658 RTE_BUILD_BUG_ON(PKT_TX_IPV4 != (1ULL << 55));
659 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IP_CKSUM != (1ULL << 58));
660 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV4 != (1ULL << 59));
661 RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV6 != (1ULL << 60));
662 RTE_BUILD_BUG_ON(PKT_TX_OUTER_UDP_CKSUM != (1ULL << 41));
663 RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7);
664 RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9);
665 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7);
666 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9);
667 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) !=
668 offsetof(struct rte_mbuf, buf_iova) + 8);
669 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
670 offsetof(struct rte_mbuf, buf_iova) + 16);
671 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
672 offsetof(struct rte_mbuf, ol_flags) + 12);
673 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) !=
674 offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *));
676 if (conf & DEV_TX_OFFLOAD_VLAN_INSERT ||
677 conf & DEV_TX_OFFLOAD_QINQ_INSERT)
678 flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
680 if (conf & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
681 conf & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
682 flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F;
684 if (conf & DEV_TX_OFFLOAD_IPV4_CKSUM ||
685 conf & DEV_TX_OFFLOAD_TCP_CKSUM ||
686 conf & DEV_TX_OFFLOAD_UDP_CKSUM ||
687 conf & DEV_TX_OFFLOAD_SCTP_CKSUM)
688 flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F;
690 if (!(conf & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
691 flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F;
693 if (conf & DEV_TX_OFFLOAD_MULTI_SEGS)
694 flags |= NIX_TX_MULTI_SEG_F;
696 /* Enable Inner checksum for TSO */
697 if (conf & DEV_TX_OFFLOAD_TCP_TSO)
698 flags |= (NIX_TX_OFFLOAD_TSO_F |
699 NIX_TX_OFFLOAD_L3_L4_CSUM_F);
701 /* Enable Inner and Outer checksum for Tunnel TSO */
702 if (conf & (DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
703 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
704 DEV_TX_OFFLOAD_GRE_TNL_TSO))
705 flags |= (NIX_TX_OFFLOAD_TSO_F |
706 NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |
707 NIX_TX_OFFLOAD_L3_L4_CSUM_F);
709 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
710 flags |= NIX_TX_OFFLOAD_TSTAMP_F;
716 nix_sq_init(struct otx2_eth_txq *txq)
718 struct otx2_eth_dev *dev = txq->dev;
719 struct otx2_mbox *mbox = dev->mbox;
720 struct nix_aq_enq_req *sq;
725 if (txq->sqb_pool->pool_id == 0)
728 rc = otx2_nix_tm_get_leaf_data(dev, txq->sq, &rr_quantum, &smq);
730 otx2_err("Failed to get sq->smq(leaf node), rc=%d", rc);
734 sq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
736 sq->ctype = NIX_AQ_CTYPE_SQ;
737 sq->op = NIX_AQ_INSTOP_INIT;
738 sq->sq.max_sqe_size = nix_sq_max_sqe_sz(txq);
741 sq->sq.smq_rr_quantum = rr_quantum;
742 sq->sq.default_chan = dev->tx_chan_base;
743 sq->sq.sqe_stype = NIX_STYPE_STF;
745 if (sq->sq.max_sqe_size == NIX_MAXSQESZ_W8)
746 sq->sq.sqe_stype = NIX_STYPE_STP;
748 npa_lf_aura_handle_to_aura(txq->sqb_pool->pool_id);
749 sq->sq.sq_int_ena = BIT(NIX_SQINT_LMT_ERR);
750 sq->sq.sq_int_ena |= BIT(NIX_SQINT_SQB_ALLOC_FAIL);
751 sq->sq.sq_int_ena |= BIT(NIX_SQINT_SEND_ERR);
752 sq->sq.sq_int_ena |= BIT(NIX_SQINT_MNQ_ERR);
754 /* Many to one reduction */
755 sq->sq.qint_idx = txq->sq % dev->qints;
757 return otx2_mbox_process(mbox);
761 nix_sq_uninit(struct otx2_eth_txq *txq)
763 struct otx2_eth_dev *dev = txq->dev;
764 struct otx2_mbox *mbox = dev->mbox;
765 struct ndc_sync_op *ndc_req;
766 struct nix_aq_enq_rsp *rsp;
767 struct nix_aq_enq_req *aq;
768 uint16_t sqes_per_sqb;
772 otx2_nix_dbg("Cleaning up sq %u", txq->sq);
774 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
776 aq->ctype = NIX_AQ_CTYPE_SQ;
777 aq->op = NIX_AQ_INSTOP_READ;
779 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
783 /* Check if sq is already cleaned up */
788 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
790 aq->ctype = NIX_AQ_CTYPE_SQ;
791 aq->op = NIX_AQ_INSTOP_WRITE;
793 aq->sq_mask.ena = ~aq->sq_mask.ena;
796 rc = otx2_mbox_process(mbox);
800 /* Read SQ and free sqb's */
801 aq = otx2_mbox_alloc_msg_nix_aq_enq(mbox);
803 aq->ctype = NIX_AQ_CTYPE_SQ;
804 aq->op = NIX_AQ_INSTOP_READ;
806 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
811 otx2_err("SQ has pending sqe's");
813 count = aq->sq.sqb_count;
814 sqes_per_sqb = 1 << txq->sqes_per_sqb_log2;
815 /* Free SQB's that are used */
816 sqb_buf = (void *)rsp->sq.head_sqb;
820 next_sqb = *(void **)((uintptr_t)sqb_buf + (uint32_t)
821 ((sqes_per_sqb - 1) *
822 nix_sq_max_sqe_sz(txq)));
823 npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1,
829 /* Free next to use sqb */
830 if (rsp->sq.next_sqb)
831 npa_lf_aura_op_free(txq->sqb_pool->pool_id, 1,
834 /* Sync NDC-NIX-TX for LF */
835 ndc_req = otx2_mbox_alloc_msg_ndc_sync_op(mbox);
836 ndc_req->nix_lf_tx_sync = 1;
837 rc = otx2_mbox_process(mbox);
839 otx2_err("Error on NDC-NIX-TX LF sync, rc %d", rc);
845 nix_sqb_aura_limit_cfg(struct rte_mempool *mp, uint16_t nb_sqb_bufs)
847 struct otx2_npa_lf *npa_lf = otx2_intra_dev_get_cfg()->npa_lf;
848 struct npa_aq_enq_req *aura_req;
850 aura_req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
851 aura_req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
852 aura_req->ctype = NPA_AQ_CTYPE_AURA;
853 aura_req->op = NPA_AQ_INSTOP_WRITE;
855 aura_req->aura.limit = nb_sqb_bufs;
856 aura_req->aura_mask.limit = ~(aura_req->aura_mask.limit);
858 return otx2_mbox_process(npa_lf->mbox);
862 nix_alloc_sqb_pool(int port, struct otx2_eth_txq *txq, uint16_t nb_desc)
864 struct otx2_eth_dev *dev = txq->dev;
865 uint16_t sqes_per_sqb, nb_sqb_bufs;
866 char name[RTE_MEMPOOL_NAMESIZE];
867 struct rte_mempool_objsz sz;
868 struct npa_aura_s *aura;
869 uint32_t tmp, blk_sz;
871 aura = (struct npa_aura_s *)((uintptr_t)txq->fc_mem + OTX2_ALIGN);
872 snprintf(name, sizeof(name), "otx2_sqb_pool_%d_%d", port, txq->sq);
873 blk_sz = dev->sqb_size;
875 if (nix_sq_max_sqe_sz(txq) == NIX_MAXSQESZ_W16)
876 sqes_per_sqb = (dev->sqb_size / 8) / 16;
878 sqes_per_sqb = (dev->sqb_size / 8) / 8;
880 nb_sqb_bufs = nb_desc / sqes_per_sqb;
881 /* Clamp up to devarg passed SQB count */
882 nb_sqb_bufs = RTE_MIN(dev->max_sqb_count, RTE_MAX(NIX_DEF_SQB,
883 nb_sqb_bufs + NIX_SQB_LIST_SPACE));
885 txq->sqb_pool = rte_mempool_create_empty(name, NIX_MAX_SQB, blk_sz,
887 MEMPOOL_F_NO_SPREAD);
888 txq->nb_sqb_bufs = nb_sqb_bufs;
889 txq->sqes_per_sqb_log2 = (uint16_t)rte_log2_u32(sqes_per_sqb);
890 txq->nb_sqb_bufs_adj = nb_sqb_bufs -
891 RTE_ALIGN_MUL_CEIL(nb_sqb_bufs, sqes_per_sqb) / sqes_per_sqb;
892 txq->nb_sqb_bufs_adj =
893 (NIX_SQB_LOWER_THRESH * txq->nb_sqb_bufs_adj) / 100;
895 if (txq->sqb_pool == NULL) {
896 otx2_err("Failed to allocate sqe mempool");
900 memset(aura, 0, sizeof(*aura));
902 aura->fc_addr = txq->fc_iova;
903 aura->fc_hyst_bits = 0; /* Store count on all updates */
904 if (rte_mempool_set_ops_byname(txq->sqb_pool, "octeontx2_npa", aura)) {
905 otx2_err("Failed to set ops for sqe mempool");
908 if (rte_mempool_populate_default(txq->sqb_pool) < 0) {
909 otx2_err("Failed to populate sqe mempool");
913 tmp = rte_mempool_calc_obj_size(blk_sz, MEMPOOL_F_NO_SPREAD, &sz);
914 if (dev->sqb_size != sz.elt_size) {
915 otx2_err("sqe pool block size is not expected %d != %d",
920 nix_sqb_aura_limit_cfg(txq->sqb_pool, txq->nb_sqb_bufs);
928 otx2_nix_form_default_desc(struct otx2_eth_txq *txq)
930 struct nix_send_ext_s *send_hdr_ext;
931 struct nix_send_hdr_s *send_hdr;
932 struct nix_send_mem_s *send_mem;
933 union nix_send_sg_s *sg;
935 /* Initialize the fields based on basic single segment packet */
936 memset(&txq->cmd, 0, sizeof(txq->cmd));
938 if (txq->dev->tx_offload_flags & NIX_TX_NEED_EXT_HDR) {
939 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
940 /* 2(HDR) + 2(EXT_HDR) + 1(SG) + 1(IOVA) = 6/2 - 1 = 2 */
941 send_hdr->w0.sizem1 = 2;
943 send_hdr_ext = (struct nix_send_ext_s *)&txq->cmd[2];
944 send_hdr_ext->w0.subdc = NIX_SUBDC_EXT;
945 if (txq->dev->tx_offload_flags & NIX_TX_OFFLOAD_TSTAMP_F) {
946 /* Default: one seg packet would have:
947 * 2(HDR) + 2(EXT) + 1(SG) + 1(IOVA) + 2(MEM)
950 send_hdr->w0.sizem1 = 3;
951 send_hdr_ext->w0.tstmp = 1;
953 /* To calculate the offset for send_mem,
954 * send_hdr->w0.sizem1 * 2
956 send_mem = (struct nix_send_mem_s *)(txq->cmd +
957 (send_hdr->w0.sizem1 << 1));
958 send_mem->subdc = NIX_SUBDC_MEM;
959 send_mem->alg = NIX_SENDMEMALG_SETTSTMP;
960 send_mem->addr = txq->dev->tstamp.tx_tstamp_iova;
962 sg = (union nix_send_sg_s *)&txq->cmd[4];
964 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
965 /* 2(HDR) + 1(SG) + 1(IOVA) = 4/2 - 1 = 1 */
966 send_hdr->w0.sizem1 = 1;
967 sg = (union nix_send_sg_s *)&txq->cmd[2];
970 send_hdr->w0.sq = txq->sq;
971 sg->subdc = NIX_SUBDC_SG;
973 sg->ld_type = NIX_SENDLDTYPE_LDD;
979 otx2_nix_tx_queue_release(void *_txq)
981 struct otx2_eth_txq *txq = _txq;
982 struct rte_eth_dev *eth_dev;
987 eth_dev = txq->dev->eth_dev;
989 otx2_nix_dbg("Releasing txq %u", txq->sq);
991 /* Flush and disable tm */
992 otx2_nix_tm_sw_xoff(txq, eth_dev->data->dev_started);
994 /* Free sqb's and disable sq */
998 rte_mempool_free(txq->sqb_pool);
999 txq->sqb_pool = NULL;
1006 otx2_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t sq,
1007 uint16_t nb_desc, unsigned int socket_id,
1008 const struct rte_eth_txconf *tx_conf)
1010 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1011 const struct rte_memzone *fc;
1012 struct otx2_eth_txq *txq;
1018 /* Compile time check to make sure all fast path elements in a CL */
1019 RTE_BUILD_BUG_ON(offsetof(struct otx2_eth_txq, slow_path_start) >= 128);
1021 if (tx_conf->tx_deferred_start) {
1022 otx2_err("Tx deferred start is not supported");
1026 /* Free memory prior to re-allocation if needed. */
1027 if (eth_dev->data->tx_queues[sq] != NULL) {
1028 otx2_nix_dbg("Freeing memory prior to re-allocation %d", sq);
1029 otx2_nix_tx_queue_release(eth_dev->data->tx_queues[sq]);
1030 eth_dev->data->tx_queues[sq] = NULL;
1033 /* Find the expected offloads for this queue */
1034 offloads = tx_conf->offloads | eth_dev->data->dev_conf.txmode.offloads;
1036 /* Allocating tx queue data structure */
1037 txq = rte_zmalloc_socket("otx2_ethdev TX queue", sizeof(*txq),
1038 OTX2_ALIGN, socket_id);
1040 otx2_err("Failed to alloc txq=%d", sq);
1046 txq->sqb_pool = NULL;
1047 txq->offloads = offloads;
1048 dev->tx_offloads |= offloads;
1051 * Allocate memory for flow control updates from HW.
1052 * Alloc one cache line, so that fits all FC_STYPE modes.
1054 fc = rte_eth_dma_zone_reserve(eth_dev, "fcmem", sq,
1055 OTX2_ALIGN + sizeof(struct npa_aura_s),
1056 OTX2_ALIGN, dev->node);
1058 otx2_err("Failed to allocate mem for fcmem");
1062 txq->fc_iova = fc->iova;
1063 txq->fc_mem = fc->addr;
1065 /* Initialize the aura sqb pool */
1066 rc = nix_alloc_sqb_pool(eth_dev->data->port_id, txq, nb_desc);
1068 otx2_err("Failed to alloc sqe pool rc=%d", rc);
1072 /* Initialize the SQ */
1073 rc = nix_sq_init(txq);
1075 otx2_err("Failed to init sq=%d context", sq);
1079 txq->fc_cache_pkts = 0;
1080 txq->io_addr = dev->base + NIX_LF_OP_SENDX(0);
1081 /* Evenly distribute LMT slot for each sq */
1082 txq->lmt_addr = (void *)(dev->lmt_addr + ((sq & LMT_SLOT_MASK) << 12));
1084 txq->qconf.socket_id = socket_id;
1085 txq->qconf.nb_desc = nb_desc;
1086 memcpy(&txq->qconf.conf.tx, tx_conf, sizeof(struct rte_eth_txconf));
1088 otx2_nix_form_default_desc(txq);
1090 otx2_nix_dbg("sq=%d fc=%p offload=0x%" PRIx64 " sqb=0x%" PRIx64 ""
1091 " lmt_addr=%p nb_sqb_bufs=%d sqes_per_sqb_log2=%d", sq,
1092 fc->addr, offloads, txq->sqb_pool->pool_id, txq->lmt_addr,
1093 txq->nb_sqb_bufs, txq->sqes_per_sqb_log2);
1094 eth_dev->data->tx_queues[sq] = txq;
1095 eth_dev->data->tx_queue_state[sq] = RTE_ETH_QUEUE_STATE_STOPPED;
1099 otx2_nix_tx_queue_release(txq);
1105 nix_store_queue_cfg_and_then_release(struct rte_eth_dev *eth_dev)
1107 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1108 struct otx2_eth_qconf *tx_qconf = NULL;
1109 struct otx2_eth_qconf *rx_qconf = NULL;
1110 struct otx2_eth_txq **txq;
1111 struct otx2_eth_rxq **rxq;
1112 int i, nb_rxq, nb_txq;
1114 nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues);
1115 nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues);
1117 tx_qconf = malloc(nb_txq * sizeof(*tx_qconf));
1118 if (tx_qconf == NULL) {
1119 otx2_err("Failed to allocate memory for tx_qconf");
1123 rx_qconf = malloc(nb_rxq * sizeof(*rx_qconf));
1124 if (rx_qconf == NULL) {
1125 otx2_err("Failed to allocate memory for rx_qconf");
1129 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1130 for (i = 0; i < nb_txq; i++) {
1131 if (txq[i] == NULL) {
1132 otx2_err("txq[%d] is already released", i);
1135 memcpy(&tx_qconf[i], &txq[i]->qconf, sizeof(*tx_qconf));
1136 otx2_nix_tx_queue_release(txq[i]);
1137 eth_dev->data->tx_queues[i] = NULL;
1140 rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues;
1141 for (i = 0; i < nb_rxq; i++) {
1142 if (rxq[i] == NULL) {
1143 otx2_err("rxq[%d] is already released", i);
1146 memcpy(&rx_qconf[i], &rxq[i]->qconf, sizeof(*rx_qconf));
1147 otx2_nix_rx_queue_release(rxq[i]);
1148 eth_dev->data->rx_queues[i] = NULL;
1151 dev->tx_qconf = tx_qconf;
1152 dev->rx_qconf = rx_qconf;
1165 nix_restore_queue_cfg(struct rte_eth_dev *eth_dev)
1167 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1168 struct otx2_eth_qconf *tx_qconf = dev->tx_qconf;
1169 struct otx2_eth_qconf *rx_qconf = dev->rx_qconf;
1170 struct otx2_eth_txq **txq;
1171 struct otx2_eth_rxq **rxq;
1172 int rc, i, nb_rxq, nb_txq;
1174 nb_rxq = RTE_MIN(dev->configured_nb_rx_qs, eth_dev->data->nb_rx_queues);
1175 nb_txq = RTE_MIN(dev->configured_nb_tx_qs, eth_dev->data->nb_tx_queues);
1178 /* Setup tx & rx queues with previous configuration so
1179 * that the queues can be functional in cases like ports
1180 * are started without re configuring queues.
1182 * Usual re config sequence is like below:
1183 * port_configure() {
1188 * queue_configure() {
1195 * In some application's control path, queue_configure() would
1196 * NOT be invoked for TXQs/RXQs in port_configure().
1197 * In such cases, queues can be functional after start as the
1198 * queues are already setup in port_configure().
1200 for (i = 0; i < nb_txq; i++) {
1201 rc = otx2_nix_tx_queue_setup(eth_dev, i, tx_qconf[i].nb_desc,
1202 tx_qconf[i].socket_id,
1203 &tx_qconf[i].conf.tx);
1205 otx2_err("Failed to setup tx queue rc=%d", rc);
1206 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1207 for (i -= 1; i >= 0; i--)
1208 otx2_nix_tx_queue_release(txq[i]);
1213 free(tx_qconf); tx_qconf = NULL;
1215 for (i = 0; i < nb_rxq; i++) {
1216 rc = otx2_nix_rx_queue_setup(eth_dev, i, rx_qconf[i].nb_desc,
1217 rx_qconf[i].socket_id,
1218 &rx_qconf[i].conf.rx,
1219 rx_qconf[i].mempool);
1221 otx2_err("Failed to setup rx queue rc=%d", rc);
1222 rxq = (struct otx2_eth_rxq **)eth_dev->data->rx_queues;
1223 for (i -= 1; i >= 0; i--)
1224 otx2_nix_rx_queue_release(rxq[i]);
1225 goto release_tx_queues;
1229 free(rx_qconf); rx_qconf = NULL;
1234 txq = (struct otx2_eth_txq **)eth_dev->data->tx_queues;
1235 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
1236 otx2_nix_tx_queue_release(txq[i]);
1247 nix_eth_nop_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts)
1249 RTE_SET_USED(queue);
1250 RTE_SET_USED(mbufs);
1257 nix_set_nop_rxtx_function(struct rte_eth_dev *eth_dev)
1259 /* These dummy functions are required for supporting
1260 * some applications which reconfigure queues without
1261 * stopping tx burst and rx burst threads(eg kni app)
1262 * When the queues context is saved, txq/rxqs are released
1263 * which caused app crash since rx/tx burst is still
1264 * on different lcores
1266 eth_dev->tx_pkt_burst = nix_eth_nop_burst;
1267 eth_dev->rx_pkt_burst = nix_eth_nop_burst;
1272 nix_lso_tcp(struct nix_lso_format_cfg *req, bool v4)
1274 volatile struct nix_lso_format *field;
1276 /* Format works only with TCP packet marked by OL3/OL4 */
1277 field = (volatile struct nix_lso_format *)&req->fields[0];
1278 req->field_mask = NIX_LSO_FIELD_MASK;
1279 /* Outer IPv4/IPv6 */
1280 field->layer = NIX_TXLAYER_OL3;
1281 field->offset = v4 ? 2 : 4;
1282 field->sizem1 = 1; /* 2B */
1283 field->alg = NIX_LSOALG_ADD_PAYLEN;
1287 field->layer = NIX_TXLAYER_OL3;
1290 /* Incremented linearly per segment */
1291 field->alg = NIX_LSOALG_ADD_SEGNUM;
1295 /* TCP sequence number update */
1296 field->layer = NIX_TXLAYER_OL4;
1298 field->sizem1 = 3; /* 4 bytes */
1299 field->alg = NIX_LSOALG_ADD_OFFSET;
1301 /* TCP flags field */
1302 field->layer = NIX_TXLAYER_OL4;
1305 field->alg = NIX_LSOALG_TCP_FLAGS;
1310 nix_lso_udp_tun_tcp(struct nix_lso_format_cfg *req,
1311 bool outer_v4, bool inner_v4)
1313 volatile struct nix_lso_format *field;
1315 field = (volatile struct nix_lso_format *)&req->fields[0];
1316 req->field_mask = NIX_LSO_FIELD_MASK;
1317 /* Outer IPv4/IPv6 len */
1318 field->layer = NIX_TXLAYER_OL3;
1319 field->offset = outer_v4 ? 2 : 4;
1320 field->sizem1 = 1; /* 2B */
1321 field->alg = NIX_LSOALG_ADD_PAYLEN;
1325 field->layer = NIX_TXLAYER_OL3;
1328 /* Incremented linearly per segment */
1329 field->alg = NIX_LSOALG_ADD_SEGNUM;
1333 /* Outer UDP length */
1334 field->layer = NIX_TXLAYER_OL4;
1337 field->alg = NIX_LSOALG_ADD_PAYLEN;
1340 /* Inner IPv4/IPv6 */
1341 field->layer = NIX_TXLAYER_IL3;
1342 field->offset = inner_v4 ? 2 : 4;
1343 field->sizem1 = 1; /* 2B */
1344 field->alg = NIX_LSOALG_ADD_PAYLEN;
1348 field->layer = NIX_TXLAYER_IL3;
1351 /* Incremented linearly per segment */
1352 field->alg = NIX_LSOALG_ADD_SEGNUM;
1356 /* TCP sequence number update */
1357 field->layer = NIX_TXLAYER_IL4;
1359 field->sizem1 = 3; /* 4 bytes */
1360 field->alg = NIX_LSOALG_ADD_OFFSET;
1363 /* TCP flags field */
1364 field->layer = NIX_TXLAYER_IL4;
1367 field->alg = NIX_LSOALG_TCP_FLAGS;
1372 nix_lso_tun_tcp(struct nix_lso_format_cfg *req,
1373 bool outer_v4, bool inner_v4)
1375 volatile struct nix_lso_format *field;
1377 field = (volatile struct nix_lso_format *)&req->fields[0];
1378 req->field_mask = NIX_LSO_FIELD_MASK;
1379 /* Outer IPv4/IPv6 len */
1380 field->layer = NIX_TXLAYER_OL3;
1381 field->offset = outer_v4 ? 2 : 4;
1382 field->sizem1 = 1; /* 2B */
1383 field->alg = NIX_LSOALG_ADD_PAYLEN;
1387 field->layer = NIX_TXLAYER_OL3;
1390 /* Incremented linearly per segment */
1391 field->alg = NIX_LSOALG_ADD_SEGNUM;
1395 /* Inner IPv4/IPv6 */
1396 field->layer = NIX_TXLAYER_IL3;
1397 field->offset = inner_v4 ? 2 : 4;
1398 field->sizem1 = 1; /* 2B */
1399 field->alg = NIX_LSOALG_ADD_PAYLEN;
1403 field->layer = NIX_TXLAYER_IL3;
1406 /* Incremented linearly per segment */
1407 field->alg = NIX_LSOALG_ADD_SEGNUM;
1411 /* TCP sequence number update */
1412 field->layer = NIX_TXLAYER_IL4;
1414 field->sizem1 = 3; /* 4 bytes */
1415 field->alg = NIX_LSOALG_ADD_OFFSET;
1418 /* TCP flags field */
1419 field->layer = NIX_TXLAYER_IL4;
1422 field->alg = NIX_LSOALG_TCP_FLAGS;
1427 nix_setup_lso_formats(struct otx2_eth_dev *dev)
1429 struct otx2_mbox *mbox = dev->mbox;
1430 struct nix_lso_format_cfg_rsp *rsp;
1431 struct nix_lso_format_cfg *req;
1435 /* Skip if TSO was not requested */
1436 if (!(dev->tx_offload_flags & NIX_TX_OFFLOAD_TSO_F))
1441 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1442 nix_lso_tcp(req, true);
1443 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1447 base = rsp->lso_format_idx;
1448 if (base != NIX_LSO_FORMAT_IDX_TSOV4)
1450 dev->lso_base_idx = base;
1451 otx2_nix_dbg("tcpv4 lso fmt=%u", base);
1457 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1458 nix_lso_tcp(req, false);
1459 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1463 if (rsp->lso_format_idx != base + 1)
1465 otx2_nix_dbg("tcpv6 lso fmt=%u\n", base + 1);
1468 * IPv4/UDP/TUN HDR/IPv4/TCP LSO
1470 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1471 nix_lso_udp_tun_tcp(req, true, true);
1472 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1476 if (rsp->lso_format_idx != base + 2)
1478 otx2_nix_dbg("udp tun v4v4 fmt=%u\n", base + 2);
1481 * IPv4/UDP/TUN HDR/IPv6/TCP LSO
1483 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1484 nix_lso_udp_tun_tcp(req, true, false);
1485 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1489 if (rsp->lso_format_idx != base + 3)
1491 otx2_nix_dbg("udp tun v4v6 fmt=%u\n", base + 3);
1494 * IPv6/UDP/TUN HDR/IPv4/TCP LSO
1496 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1497 nix_lso_udp_tun_tcp(req, false, true);
1498 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1502 if (rsp->lso_format_idx != base + 4)
1504 otx2_nix_dbg("udp tun v6v4 fmt=%u\n", base + 4);
1507 * IPv6/UDP/TUN HDR/IPv6/TCP LSO
1509 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1510 nix_lso_udp_tun_tcp(req, false, false);
1511 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1514 if (rsp->lso_format_idx != base + 5)
1516 otx2_nix_dbg("udp tun v6v6 fmt=%u\n", base + 5);
1519 * IPv4/TUN HDR/IPv4/TCP LSO
1521 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1522 nix_lso_tun_tcp(req, true, true);
1523 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1527 if (rsp->lso_format_idx != base + 6)
1529 otx2_nix_dbg("tun v4v4 fmt=%u\n", base + 6);
1532 * IPv4/TUN HDR/IPv6/TCP LSO
1534 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1535 nix_lso_tun_tcp(req, true, false);
1536 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1540 if (rsp->lso_format_idx != base + 7)
1542 otx2_nix_dbg("tun v4v6 fmt=%u\n", base + 7);
1545 * IPv6/TUN HDR/IPv4/TCP LSO
1547 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1548 nix_lso_tun_tcp(req, false, true);
1549 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1553 if (rsp->lso_format_idx != base + 8)
1555 otx2_nix_dbg("tun v6v4 fmt=%u\n", base + 8);
1558 * IPv6/TUN HDR/IPv6/TCP LSO
1560 req = otx2_mbox_alloc_msg_nix_lso_format_cfg(mbox);
1561 nix_lso_tun_tcp(req, false, false);
1562 rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
1565 if (rsp->lso_format_idx != base + 9)
1567 otx2_nix_dbg("tun v6v6 fmt=%u\n", base + 9);
1572 otx2_nix_configure(struct rte_eth_dev *eth_dev)
1574 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1575 struct rte_eth_dev_data *data = eth_dev->data;
1576 struct rte_eth_conf *conf = &data->dev_conf;
1577 struct rte_eth_rxmode *rxmode = &conf->rxmode;
1578 struct rte_eth_txmode *txmode = &conf->txmode;
1579 char ea_fmt[RTE_ETHER_ADDR_FMT_SIZE];
1580 struct rte_ether_addr *ea;
1581 uint8_t nb_rxq, nb_txq;
1587 if (rte_eal_has_hugepages() == 0) {
1588 otx2_err("Huge page is not configured");
1589 goto fail_configure;
1592 if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
1593 otx2_err("Setting link speed/duplex not supported");
1594 goto fail_configure;
1597 if (conf->dcb_capability_en == 1) {
1598 otx2_err("dcb enable is not supported");
1599 goto fail_configure;
1602 if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
1603 otx2_err("Flow director is not supported");
1604 goto fail_configure;
1607 if (rxmode->mq_mode != ETH_MQ_RX_NONE &&
1608 rxmode->mq_mode != ETH_MQ_RX_RSS) {
1609 otx2_err("Unsupported mq rx mode %d", rxmode->mq_mode);
1610 goto fail_configure;
1613 if (txmode->mq_mode != ETH_MQ_TX_NONE) {
1614 otx2_err("Unsupported mq tx mode %d", txmode->mq_mode);
1615 goto fail_configure;
1618 if (otx2_dev_is_Ax(dev) &&
1619 (txmode->offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) &&
1620 ((txmode->offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
1621 (txmode->offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM))) {
1622 otx2_err("Outer IP and SCTP checksum unsupported");
1623 goto fail_configure;
1626 /* Free the resources allocated from the previous configure */
1627 if (dev->configured == 1) {
1628 otx2_eth_sec_fini(eth_dev);
1629 otx2_nix_rxchan_bpid_cfg(eth_dev, false);
1630 otx2_nix_vlan_fini(eth_dev);
1631 otx2_nix_mc_addr_list_uninstall(eth_dev);
1632 otx2_flow_free_all_resources(dev);
1633 oxt2_nix_unregister_queue_irqs(eth_dev);
1634 if (eth_dev->data->dev_conf.intr_conf.rxq)
1635 oxt2_nix_unregister_cq_irqs(eth_dev);
1636 nix_set_nop_rxtx_function(eth_dev);
1637 rc = nix_store_queue_cfg_and_then_release(eth_dev);
1639 goto fail_configure;
1640 otx2_nix_tm_fini(eth_dev);
1644 dev->rx_offloads = rxmode->offloads;
1645 dev->tx_offloads = txmode->offloads;
1646 dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev);
1647 dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev);
1648 dev->rss_info.rss_grps = NIX_RSS_GRPS;
1650 nb_rxq = RTE_MAX(data->nb_rx_queues, 1);
1651 nb_txq = RTE_MAX(data->nb_tx_queues, 1);
1653 /* Alloc a nix lf */
1654 rc = nix_lf_alloc(dev, nb_rxq, nb_txq);
1656 otx2_err("Failed to init nix_lf rc=%d", rc);
1661 dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_HIGIG) {
1662 otx2_err("Both PTP and switch header enabled");
1666 rc = nix_lf_switch_header_type_enable(dev, true);
1668 otx2_err("Failed to enable switch type nix_lf rc=%d", rc);
1672 rc = nix_setup_lso_formats(dev);
1674 otx2_err("failed to setup nix lso format fields, rc=%d", rc);
1679 rc = otx2_nix_rss_config(eth_dev);
1681 otx2_err("Failed to configure rss rc=%d", rc);
1685 /* Init the default TM scheduler hierarchy */
1686 rc = otx2_nix_tm_init_default(eth_dev);
1688 otx2_err("Failed to init traffic manager rc=%d", rc);
1692 rc = otx2_nix_vlan_offload_init(eth_dev);
1694 otx2_err("Failed to init vlan offload rc=%d", rc);
1698 /* Register queue IRQs */
1699 rc = oxt2_nix_register_queue_irqs(eth_dev);
1701 otx2_err("Failed to register queue interrupts rc=%d", rc);
1705 /* Register cq IRQs */
1706 if (eth_dev->data->dev_conf.intr_conf.rxq) {
1707 if (eth_dev->data->nb_rx_queues > dev->cints) {
1708 otx2_err("Rx interrupt cannot be enabled, rxq > %d",
1712 /* Rx interrupt feature cannot work with vector mode because,
1713 * vector mode doesn't process packets unless min 4 pkts are
1714 * received, while cq interrupts are generated even for 1 pkt
1717 dev->scalar_ena = true;
1719 rc = oxt2_nix_register_cq_irqs(eth_dev);
1721 otx2_err("Failed to register CQ interrupts rc=%d", rc);
1726 /* Configure loop back mode */
1727 rc = cgx_intlbk_enable(dev, eth_dev->data->dev_conf.lpbk_mode);
1729 otx2_err("Failed to configure cgx loop back mode rc=%d", rc);
1733 rc = otx2_nix_rxchan_bpid_cfg(eth_dev, true);
1735 otx2_err("Failed to configure nix rx chan bpid cfg rc=%d", rc);
1739 /* Enable security */
1740 rc = otx2_eth_sec_init(eth_dev);
1744 rc = otx2_nix_mc_addr_list_install(eth_dev);
1746 otx2_err("Failed to install mc address list rc=%d", rc);
1751 * Restore queue config when reconfigure followed by
1752 * reconfigure and no queue configure invoked from application case.
1754 if (dev->configured == 1) {
1755 rc = nix_restore_queue_cfg(eth_dev);
1757 goto uninstall_mc_list;
1760 /* Update the mac address */
1761 ea = eth_dev->data->mac_addrs;
1762 memcpy(ea, dev->mac_addr, RTE_ETHER_ADDR_LEN);
1763 if (rte_is_zero_ether_addr(ea))
1764 rte_eth_random_addr((uint8_t *)ea);
1766 rte_ether_format_addr(ea_fmt, RTE_ETHER_ADDR_FMT_SIZE, ea);
1768 otx2_nix_dbg("Configured port%d mac=%s nb_rxq=%d nb_txq=%d"
1769 " rx_offloads=0x%" PRIx64 " tx_offloads=0x%" PRIx64 ""
1770 " rx_flags=0x%x tx_flags=0x%x",
1771 eth_dev->data->port_id, ea_fmt, nb_rxq,
1772 nb_txq, dev->rx_offloads, dev->tx_offloads,
1773 dev->rx_offload_flags, dev->tx_offload_flags);
1776 dev->configured = 1;
1777 dev->configured_nb_rx_qs = data->nb_rx_queues;
1778 dev->configured_nb_tx_qs = data->nb_tx_queues;
1782 otx2_nix_mc_addr_list_uninstall(eth_dev);
1784 otx2_eth_sec_fini(eth_dev);
1786 oxt2_nix_unregister_cq_irqs(eth_dev);
1788 oxt2_nix_unregister_queue_irqs(eth_dev);
1790 otx2_nix_vlan_fini(eth_dev);
1792 otx2_nix_tm_fini(eth_dev);
1796 dev->rx_offload_flags &= ~nix_rx_offload_flags(eth_dev);
1797 dev->tx_offload_flags &= ~nix_tx_offload_flags(eth_dev);
1799 dev->configured = 0;
1804 otx2_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx)
1806 struct rte_eth_dev_data *data = eth_dev->data;
1807 struct otx2_eth_txq *txq;
1810 txq = eth_dev->data->tx_queues[qidx];
1812 if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
1815 rc = otx2_nix_sq_sqb_aura_fc(txq, true);
1817 otx2_err("Failed to enable sqb aura fc, txq=%u, rc=%d",
1822 data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
1829 otx2_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
1831 struct rte_eth_dev_data *data = eth_dev->data;
1832 struct otx2_eth_txq *txq;
1835 txq = eth_dev->data->tx_queues[qidx];
1837 if (data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
1840 txq->fc_cache_pkts = 0;
1842 rc = otx2_nix_sq_sqb_aura_fc(txq, false);
1844 otx2_err("Failed to disable sqb aura fc, txq=%u, rc=%d",
1849 data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1856 otx2_nix_rx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qidx)
1858 struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx];
1859 struct rte_eth_dev_data *data = eth_dev->data;
1862 if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
1865 rc = nix_rq_enb_dis(rxq->eth_dev, rxq, true);
1867 otx2_err("Failed to enable rxq=%u, rc=%d", qidx, rc);
1871 data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
1878 otx2_nix_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
1880 struct otx2_eth_rxq *rxq = eth_dev->data->rx_queues[qidx];
1881 struct rte_eth_dev_data *data = eth_dev->data;
1884 if (data->rx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
1887 rc = nix_rq_enb_dis(rxq->eth_dev, rxq, false);
1889 otx2_err("Failed to disable rxq=%u, rc=%d", qidx, rc);
1893 data->rx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
1900 otx2_nix_dev_stop(struct rte_eth_dev *eth_dev)
1902 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1903 struct rte_mbuf *rx_pkts[32];
1904 struct otx2_eth_rxq *rxq;
1905 int count, i, j, rc;
1907 nix_lf_switch_header_type_enable(dev, false);
1908 nix_cgx_stop_link_event(dev);
1909 npc_rx_disable(dev);
1911 /* Stop rx queues and free up pkts pending */
1912 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1913 rc = otx2_nix_rx_queue_stop(eth_dev, i);
1917 rxq = eth_dev->data->rx_queues[i];
1918 count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
1920 for (j = 0; j < count; j++)
1921 rte_pktmbuf_free(rx_pkts[j]);
1922 count = dev->rx_pkt_burst_no_offload(rxq, rx_pkts, 32);
1926 /* Stop tx queues */
1927 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
1928 otx2_nix_tx_queue_stop(eth_dev, i);
1932 otx2_nix_dev_start(struct rte_eth_dev *eth_dev)
1934 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
1937 /* MTU recalculate should be avoided here if PTP is enabled by PF, as
1938 * otx2_nix_recalc_mtu would be invoked during otx2_nix_ptp_enable_vf
1941 if (eth_dev->data->nb_rx_queues != 0 && !otx2_ethdev_is_ptp_en(dev)) {
1942 rc = otx2_nix_recalc_mtu(eth_dev);
1947 /* Start rx queues */
1948 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
1949 rc = otx2_nix_rx_queue_start(eth_dev, i);
1954 /* Start tx queues */
1955 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
1956 rc = otx2_nix_tx_queue_start(eth_dev, i);
1961 rc = otx2_nix_update_flow_ctrl_mode(eth_dev);
1963 otx2_err("Failed to update flow ctrl mode %d", rc);
1967 /* Enable PTP if it was requested by the app or if it is already
1968 * enabled in PF owning this VF
1970 memset(&dev->tstamp, 0, sizeof(struct otx2_timesync_info));
1971 if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) ||
1972 otx2_ethdev_is_ptp_en(dev))
1973 otx2_nix_timesync_enable(eth_dev);
1975 otx2_nix_timesync_disable(eth_dev);
1977 /* Update VF about data off shifted by 8 bytes if PTP already
1978 * enabled in PF owning this VF
1980 if (otx2_ethdev_is_ptp_en(dev) && otx2_dev_is_vf(dev))
1981 otx2_nix_ptp_enable_vf(eth_dev);
1983 rc = npc_rx_enable(dev);
1985 otx2_err("Failed to enable NPC rx %d", rc);
1989 otx2_nix_toggle_flag_link_cfg(dev, true);
1991 rc = nix_cgx_start_link_event(dev);
1993 otx2_err("Failed to start cgx link event %d", rc);
1997 otx2_nix_toggle_flag_link_cfg(dev, false);
1998 otx2_eth_set_tx_function(eth_dev);
1999 otx2_eth_set_rx_function(eth_dev);
2004 npc_rx_disable(dev);
2005 otx2_nix_toggle_flag_link_cfg(dev, false);
2009 static int otx2_nix_dev_reset(struct rte_eth_dev *eth_dev);
2010 static void otx2_nix_dev_close(struct rte_eth_dev *eth_dev);
2012 /* Initialize and register driver with DPDK Application */
2013 static const struct eth_dev_ops otx2_eth_dev_ops = {
2014 .dev_infos_get = otx2_nix_info_get,
2015 .dev_configure = otx2_nix_configure,
2016 .link_update = otx2_nix_link_update,
2017 .tx_queue_setup = otx2_nix_tx_queue_setup,
2018 .tx_queue_release = otx2_nix_tx_queue_release,
2019 .rx_queue_setup = otx2_nix_rx_queue_setup,
2020 .rx_queue_release = otx2_nix_rx_queue_release,
2021 .dev_start = otx2_nix_dev_start,
2022 .dev_stop = otx2_nix_dev_stop,
2023 .dev_close = otx2_nix_dev_close,
2024 .tx_queue_start = otx2_nix_tx_queue_start,
2025 .tx_queue_stop = otx2_nix_tx_queue_stop,
2026 .rx_queue_start = otx2_nix_rx_queue_start,
2027 .rx_queue_stop = otx2_nix_rx_queue_stop,
2028 .dev_set_link_up = otx2_nix_dev_set_link_up,
2029 .dev_set_link_down = otx2_nix_dev_set_link_down,
2030 .dev_supported_ptypes_get = otx2_nix_supported_ptypes_get,
2031 .dev_ptypes_set = otx2_nix_ptypes_set,
2032 .dev_reset = otx2_nix_dev_reset,
2033 .stats_get = otx2_nix_dev_stats_get,
2034 .stats_reset = otx2_nix_dev_stats_reset,
2035 .get_reg = otx2_nix_dev_get_reg,
2036 .mtu_set = otx2_nix_mtu_set,
2037 .mac_addr_add = otx2_nix_mac_addr_add,
2038 .mac_addr_remove = otx2_nix_mac_addr_del,
2039 .mac_addr_set = otx2_nix_mac_addr_set,
2040 .set_mc_addr_list = otx2_nix_set_mc_addr_list,
2041 .promiscuous_enable = otx2_nix_promisc_enable,
2042 .promiscuous_disable = otx2_nix_promisc_disable,
2043 .allmulticast_enable = otx2_nix_allmulticast_enable,
2044 .allmulticast_disable = otx2_nix_allmulticast_disable,
2045 .queue_stats_mapping_set = otx2_nix_queue_stats_mapping,
2046 .reta_update = otx2_nix_dev_reta_update,
2047 .reta_query = otx2_nix_dev_reta_query,
2048 .rss_hash_update = otx2_nix_rss_hash_update,
2049 .rss_hash_conf_get = otx2_nix_rss_hash_conf_get,
2050 .xstats_get = otx2_nix_xstats_get,
2051 .xstats_get_names = otx2_nix_xstats_get_names,
2052 .xstats_reset = otx2_nix_xstats_reset,
2053 .xstats_get_by_id = otx2_nix_xstats_get_by_id,
2054 .xstats_get_names_by_id = otx2_nix_xstats_get_names_by_id,
2055 .rxq_info_get = otx2_nix_rxq_info_get,
2056 .txq_info_get = otx2_nix_txq_info_get,
2057 .rx_burst_mode_get = otx2_rx_burst_mode_get,
2058 .tx_burst_mode_get = otx2_tx_burst_mode_get,
2059 .rx_queue_count = otx2_nix_rx_queue_count,
2060 .rx_descriptor_done = otx2_nix_rx_descriptor_done,
2061 .rx_descriptor_status = otx2_nix_rx_descriptor_status,
2062 .tx_descriptor_status = otx2_nix_tx_descriptor_status,
2063 .tx_done_cleanup = otx2_nix_tx_done_cleanup,
2064 .pool_ops_supported = otx2_nix_pool_ops_supported,
2065 .filter_ctrl = otx2_nix_dev_filter_ctrl,
2066 .get_module_info = otx2_nix_get_module_info,
2067 .get_module_eeprom = otx2_nix_get_module_eeprom,
2068 .fw_version_get = otx2_nix_fw_version_get,
2069 .flow_ctrl_get = otx2_nix_flow_ctrl_get,
2070 .flow_ctrl_set = otx2_nix_flow_ctrl_set,
2071 .timesync_enable = otx2_nix_timesync_enable,
2072 .timesync_disable = otx2_nix_timesync_disable,
2073 .timesync_read_rx_timestamp = otx2_nix_timesync_read_rx_timestamp,
2074 .timesync_read_tx_timestamp = otx2_nix_timesync_read_tx_timestamp,
2075 .timesync_adjust_time = otx2_nix_timesync_adjust_time,
2076 .timesync_read_time = otx2_nix_timesync_read_time,
2077 .timesync_write_time = otx2_nix_timesync_write_time,
2078 .vlan_offload_set = otx2_nix_vlan_offload_set,
2079 .vlan_filter_set = otx2_nix_vlan_filter_set,
2080 .vlan_strip_queue_set = otx2_nix_vlan_strip_queue_set,
2081 .vlan_tpid_set = otx2_nix_vlan_tpid_set,
2082 .vlan_pvid_set = otx2_nix_vlan_pvid_set,
2083 .rx_queue_intr_enable = otx2_nix_rx_queue_intr_enable,
2084 .rx_queue_intr_disable = otx2_nix_rx_queue_intr_disable,
2085 .read_clock = otx2_nix_read_clock,
2089 nix_lf_attach(struct otx2_eth_dev *dev)
2091 struct otx2_mbox *mbox = dev->mbox;
2092 struct rsrc_attach_req *req;
2094 /* Attach NIX(lf) */
2095 req = otx2_mbox_alloc_msg_attach_resources(mbox);
2099 return otx2_mbox_process(mbox);
2103 nix_lf_get_msix_offset(struct otx2_eth_dev *dev)
2105 struct otx2_mbox *mbox = dev->mbox;
2106 struct msix_offset_rsp *msix_rsp;
2109 /* Get NPA and NIX MSIX vector offsets */
2110 otx2_mbox_alloc_msg_msix_offset(mbox);
2112 rc = otx2_mbox_process_msg(mbox, (void *)&msix_rsp);
2114 dev->nix_msixoff = msix_rsp->nix_msixoff;
2120 otx2_eth_dev_lf_detach(struct otx2_mbox *mbox)
2122 struct rsrc_detach_req *req;
2124 req = otx2_mbox_alloc_msg_detach_resources(mbox);
2126 /* Detach all except npa lf */
2127 req->partial = true;
2134 return otx2_mbox_process(mbox);
2138 otx2_eth_dev_is_sdp(struct rte_pci_device *pci_dev)
2140 if (pci_dev->id.device_id == PCI_DEVID_OCTEONTX2_RVU_SDP_PF ||
2141 pci_dev->id.device_id == PCI_DEVID_OCTEONTX2_RVU_SDP_VF)
2147 otx2_eth_dev_init(struct rte_eth_dev *eth_dev)
2149 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
2150 struct rte_pci_device *pci_dev;
2151 int rc, max_entries;
2153 eth_dev->dev_ops = &otx2_eth_dev_ops;
2155 /* For secondary processes, the primary has done all the work */
2156 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2157 /* Setup callbacks for secondary process */
2158 otx2_eth_set_tx_function(eth_dev);
2159 otx2_eth_set_rx_function(eth_dev);
2163 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2165 rte_eth_copy_pci_info(eth_dev, pci_dev);
2166 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
2168 /* Zero out everything after OTX2_DEV to allow proper dev_reset() */
2169 memset(&dev->otx2_eth_dev_data_start, 0, sizeof(*dev) -
2170 offsetof(struct otx2_eth_dev, otx2_eth_dev_data_start));
2172 /* Parse devargs string */
2173 rc = otx2_ethdev_parse_devargs(eth_dev->device->devargs, dev);
2175 otx2_err("Failed to parse devargs rc=%d", rc);
2179 if (!dev->mbox_active) {
2180 /* Initialize the base otx2_dev object
2181 * only if already present
2183 rc = otx2_dev_init(pci_dev, dev);
2185 otx2_err("Failed to initialize otx2_dev rc=%d", rc);
2189 if (otx2_eth_dev_is_sdp(pci_dev))
2190 dev->sdp_link = true;
2192 dev->sdp_link = false;
2193 /* Device generic callbacks */
2194 dev->ops = &otx2_dev_ops;
2195 dev->eth_dev = eth_dev;
2197 /* Grab the NPA LF if required */
2198 rc = otx2_npa_lf_init(pci_dev, dev);
2200 goto otx2_dev_uninit;
2202 dev->configured = 0;
2203 dev->drv_inited = true;
2204 dev->ptype_disable = 0;
2205 dev->base = dev->bar2 + (RVU_BLOCK_ADDR_NIX0 << 20);
2206 dev->lmt_addr = dev->bar2 + (RVU_BLOCK_ADDR_LMT << 20);
2209 rc = nix_lf_attach(dev);
2211 goto otx2_npa_uninit;
2213 /* Get NIX MSIX offset */
2214 rc = nix_lf_get_msix_offset(dev);
2216 goto otx2_npa_uninit;
2218 /* Register LF irq handlers */
2219 rc = otx2_nix_register_irqs(eth_dev);
2223 /* Get maximum number of supported MAC entries */
2224 max_entries = otx2_cgx_mac_max_entries_get(dev);
2225 if (max_entries < 0) {
2226 otx2_err("Failed to get max entries for mac addr");
2228 goto unregister_irq;
2231 /* For VFs, returned max_entries will be 0. But to keep default MAC
2232 * address, one entry must be allocated. So setting up to 1.
2234 if (max_entries == 0)
2237 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", max_entries *
2238 RTE_ETHER_ADDR_LEN, 0);
2239 if (eth_dev->data->mac_addrs == NULL) {
2240 otx2_err("Failed to allocate memory for mac addr");
2242 goto unregister_irq;
2245 dev->max_mac_entries = max_entries;
2247 rc = otx2_nix_mac_addr_get(eth_dev, dev->mac_addr);
2249 goto free_mac_addrs;
2251 /* Update the mac address */
2252 memcpy(eth_dev->data->mac_addrs, dev->mac_addr, RTE_ETHER_ADDR_LEN);
2254 /* Also sync same MAC address to CGX table */
2255 otx2_cgx_mac_addr_set(eth_dev, ð_dev->data->mac_addrs[0]);
2257 /* Initialize the tm data structures */
2258 otx2_nix_tm_conf_init(eth_dev);
2260 dev->tx_offload_capa = nix_get_tx_offload_capa(dev);
2261 dev->rx_offload_capa = nix_get_rx_offload_capa(dev);
2263 if (otx2_dev_is_96xx_A0(dev) ||
2264 otx2_dev_is_95xx_Ax(dev)) {
2265 dev->hwcap |= OTX2_FIXUP_F_MIN_4K_Q;
2266 dev->hwcap |= OTX2_FIXUP_F_LIMIT_CQ_FULL;
2269 /* Create security ctx */
2270 rc = otx2_eth_sec_ctx_create(eth_dev);
2272 goto free_mac_addrs;
2273 dev->tx_offload_capa |= DEV_TX_OFFLOAD_SECURITY;
2274 dev->rx_offload_capa |= DEV_RX_OFFLOAD_SECURITY;
2276 /* Initialize rte-flow */
2277 rc = otx2_flow_init(dev);
2279 goto sec_ctx_destroy;
2281 otx2_nix_mc_filter_init(dev);
2283 otx2_nix_dbg("Port=%d pf=%d vf=%d ver=%s msix_off=%d hwcap=0x%" PRIx64
2284 " rxoffload_capa=0x%" PRIx64 " txoffload_capa=0x%" PRIx64,
2285 eth_dev->data->port_id, dev->pf, dev->vf,
2286 OTX2_ETH_DEV_PMD_VERSION, dev->nix_msixoff, dev->hwcap,
2287 dev->rx_offload_capa, dev->tx_offload_capa);
2291 otx2_eth_sec_ctx_destroy(eth_dev);
2293 rte_free(eth_dev->data->mac_addrs);
2295 otx2_nix_unregister_irqs(eth_dev);
2297 otx2_eth_dev_lf_detach(dev->mbox);
2301 otx2_dev_fini(pci_dev, dev);
2303 otx2_err("Failed to init nix eth_dev rc=%d", rc);
2308 otx2_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
2310 struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
2311 struct rte_pci_device *pci_dev;
2314 /* Nothing to be done for secondary processes */
2315 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2318 /* Clear the flag since we are closing down */
2319 dev->configured = 0;
2321 /* Disable nix bpid config */
2322 otx2_nix_rxchan_bpid_cfg(eth_dev, false);
2324 npc_rx_disable(dev);
2326 /* Disable vlan offloads */
2327 otx2_nix_vlan_fini(eth_dev);
2329 /* Disable other rte_flow entries */
2330 otx2_flow_fini(dev);
2332 /* Free multicast filter list */
2333 otx2_nix_mc_filter_fini(dev);
2335 /* Disable PTP if already enabled */
2336 if (otx2_ethdev_is_ptp_en(dev))
2337 otx2_nix_timesync_disable(eth_dev);
2339 nix_cgx_stop_link_event(dev);
2342 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
2343 otx2_nix_tx_queue_release(eth_dev->data->tx_queues[i]);
2344 eth_dev->data->tx_queues[i] = NULL;
2346 eth_dev->data->nb_tx_queues = 0;
2348 /* Free up RQ's and CQ's */
2349 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
2350 otx2_nix_rx_queue_release(eth_dev->data->rx_queues[i]);
2351 eth_dev->data->rx_queues[i] = NULL;
2353 eth_dev->data->nb_rx_queues = 0;
2355 /* Free tm resources */
2356 rc = otx2_nix_tm_fini(eth_dev);
2358 otx2_err("Failed to cleanup tm, rc=%d", rc);
2360 /* Unregister queue irqs */
2361 oxt2_nix_unregister_queue_irqs(eth_dev);
2363 /* Unregister cq irqs */
2364 if (eth_dev->data->dev_conf.intr_conf.rxq)
2365 oxt2_nix_unregister_cq_irqs(eth_dev);
2367 rc = nix_lf_free(dev);
2369 otx2_err("Failed to free nix lf, rc=%d", rc);
2371 rc = otx2_npa_lf_fini();
2373 otx2_err("Failed to cleanup npa lf, rc=%d", rc);
2375 /* Disable security */
2376 otx2_eth_sec_fini(eth_dev);
2378 /* Destroy security ctx */
2379 otx2_eth_sec_ctx_destroy(eth_dev);
2381 rte_free(eth_dev->data->mac_addrs);
2382 eth_dev->data->mac_addrs = NULL;
2383 dev->drv_inited = false;
2385 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
2386 otx2_nix_unregister_irqs(eth_dev);
2388 rc = otx2_eth_dev_lf_detach(dev->mbox);
2390 otx2_err("Failed to detach resources, rc=%d", rc);
2392 /* Check if mbox close is needed */
2396 if (otx2_npa_lf_active(dev) || otx2_dev_active_vfs(dev)) {
2397 /* Will be freed later by PMD */
2398 eth_dev->data->dev_private = NULL;
2402 otx2_dev_fini(pci_dev, dev);
2407 otx2_nix_dev_close(struct rte_eth_dev *eth_dev)
2409 otx2_eth_dev_uninit(eth_dev, true);
2413 otx2_nix_dev_reset(struct rte_eth_dev *eth_dev)
2417 rc = otx2_eth_dev_uninit(eth_dev, false);
2421 return otx2_eth_dev_init(eth_dev);
2425 nix_remove(struct rte_pci_device *pci_dev)
2427 struct rte_eth_dev *eth_dev;
2428 struct otx2_idev_cfg *idev;
2429 struct otx2_dev *otx2_dev;
2432 eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
2434 /* Cleanup eth dev */
2435 rc = otx2_eth_dev_uninit(eth_dev, true);
2439 rte_eth_dev_pci_release(eth_dev);
2442 /* Nothing to be done for secondary processes */
2443 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2446 /* Check for common resources */
2447 idev = otx2_intra_dev_get_cfg();
2448 if (!idev || !idev->npa_lf || idev->npa_lf->pci_dev != pci_dev)
2451 otx2_dev = container_of(idev->npa_lf, struct otx2_dev, npalf);
2453 if (otx2_npa_lf_active(otx2_dev) || otx2_dev_active_vfs(otx2_dev))
2456 /* Safe to cleanup mbox as no more users */
2457 otx2_dev_fini(pci_dev, otx2_dev);
2462 otx2_info("%s: common resource in use by other devices", pci_dev->name);
2467 nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
2471 RTE_SET_USED(pci_drv);
2473 rc = rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct otx2_eth_dev),
2476 /* On error on secondary, recheck if port exists in primary or
2477 * in mid of detach state.
2479 if (rte_eal_process_type() != RTE_PROC_PRIMARY && rc)
2480 if (!rte_eth_dev_allocated(pci_dev->device.name))
2485 static const struct rte_pci_id pci_nix_map[] = {
2487 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_PF)
2490 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_VF)
2493 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
2494 PCI_DEVID_OCTEONTX2_RVU_AF_VF)
2497 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
2498 PCI_DEVID_OCTEONTX2_RVU_SDP_PF)
2501 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
2502 PCI_DEVID_OCTEONTX2_RVU_SDP_VF)
2509 static struct rte_pci_driver pci_nix = {
2510 .id_table = pci_nix_map,
2511 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
2512 RTE_PCI_DRV_INTR_LSC,
2514 .remove = nix_remove,
2517 RTE_PMD_REGISTER_PCI(net_octeontx2, pci_nix);
2518 RTE_PMD_REGISTER_PCI_TABLE(net_octeontx2, pci_nix_map);
2519 RTE_PMD_REGISTER_KMOD_DEP(net_octeontx2, "vfio-pci");