1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
4 #include "cn9k_ethdev.h"
5 #include "cn9k_rte_flow.h"
10 nix_rx_offload_flags(struct rte_eth_dev *eth_dev)
12 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
13 struct rte_eth_dev_data *data = eth_dev->data;
14 struct rte_eth_conf *conf = &data->dev_conf;
15 struct rte_eth_rxmode *rxmode = &conf->rxmode;
18 if (rxmode->mq_mode == RTE_ETH_MQ_RX_RSS &&
19 (dev->rx_offloads & RTE_ETH_RX_OFFLOAD_RSS_HASH))
20 flags |= NIX_RX_OFFLOAD_RSS_F;
22 if (dev->rx_offloads &
23 (RTE_ETH_RX_OFFLOAD_TCP_CKSUM | RTE_ETH_RX_OFFLOAD_UDP_CKSUM))
24 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
26 if (dev->rx_offloads &
27 (RTE_ETH_RX_OFFLOAD_IPV4_CKSUM | RTE_ETH_RX_OFFLOAD_OUTER_IPV4_CKSUM))
28 flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
30 if (dev->rx_offloads & RTE_ETH_RX_OFFLOAD_SCATTER)
31 flags |= NIX_RX_MULTI_SEG_F;
33 if ((dev->rx_offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP))
34 flags |= NIX_RX_OFFLOAD_TSTAMP_F;
36 if (!dev->ptype_disable)
37 flags |= NIX_RX_OFFLOAD_PTYPE_F;
39 if (dev->rx_offloads & RTE_ETH_RX_OFFLOAD_SECURITY)
40 flags |= NIX_RX_OFFLOAD_SECURITY_F;
46 nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
48 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
49 uint64_t conf = dev->tx_offloads;
52 /* Fastpath is dependent on these enums */
53 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_TCP_CKSUM != (1ULL << 52));
54 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_SCTP_CKSUM != (2ULL << 52));
55 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_UDP_CKSUM != (3ULL << 52));
56 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_IP_CKSUM != (1ULL << 54));
57 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_IPV4 != (1ULL << 55));
58 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IP_CKSUM != (1ULL << 58));
59 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IPV4 != (1ULL << 59));
60 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IPV6 != (1ULL << 60));
61 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_UDP_CKSUM != (1ULL << 41));
62 RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7);
63 RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9);
64 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7);
65 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9);
66 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) !=
67 offsetof(struct rte_mbuf, buf_iova) + 8);
68 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
69 offsetof(struct rte_mbuf, buf_iova) + 16);
70 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
71 offsetof(struct rte_mbuf, ol_flags) + 12);
72 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) !=
73 offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *));
75 if (conf & RTE_ETH_TX_OFFLOAD_VLAN_INSERT ||
76 conf & RTE_ETH_TX_OFFLOAD_QINQ_INSERT)
77 flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
79 if (conf & RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
80 conf & RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM)
81 flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F;
83 if (conf & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM ||
84 conf & RTE_ETH_TX_OFFLOAD_TCP_CKSUM ||
85 conf & RTE_ETH_TX_OFFLOAD_UDP_CKSUM || conf & RTE_ETH_TX_OFFLOAD_SCTP_CKSUM)
86 flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F;
88 if (!(conf & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE))
89 flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F;
91 if (conf & RTE_ETH_TX_OFFLOAD_MULTI_SEGS)
92 flags |= NIX_TX_MULTI_SEG_F;
94 /* Enable Inner checksum for TSO */
95 if (conf & RTE_ETH_TX_OFFLOAD_TCP_TSO)
96 flags |= (NIX_TX_OFFLOAD_TSO_F | NIX_TX_OFFLOAD_L3_L4_CSUM_F);
98 /* Enable Inner and Outer checksum for Tunnel TSO */
99 if (conf & (RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO |
100 RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO | RTE_ETH_TX_OFFLOAD_GRE_TNL_TSO))
101 flags |= (NIX_TX_OFFLOAD_TSO_F | NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |
102 NIX_TX_OFFLOAD_L3_L4_CSUM_F);
104 if ((dev->rx_offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP))
105 flags |= NIX_TX_OFFLOAD_TSTAMP_F;
107 if (dev->tx_offloads & RTE_ETH_TX_OFFLOAD_SECURITY)
108 flags |= NIX_TX_OFFLOAD_SECURITY_F;
114 cn9k_nix_ptypes_set(struct rte_eth_dev *eth_dev, uint32_t ptype_mask)
116 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
119 dev->rx_offload_flags |= NIX_RX_OFFLOAD_PTYPE_F;
120 dev->ptype_disable = 0;
122 dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_PTYPE_F;
123 dev->ptype_disable = 1;
126 cn9k_eth_set_rx_function(eth_dev);
131 nix_form_default_desc(struct cnxk_eth_dev *dev, struct cn9k_eth_txq *txq,
134 struct nix_send_ext_s *send_hdr_ext;
135 struct nix_send_hdr_s *send_hdr;
136 struct nix_send_mem_s *send_mem;
137 union nix_send_sg_s *sg;
139 /* Initialize the fields based on basic single segment packet */
140 memset(&txq->cmd, 0, sizeof(txq->cmd));
142 if (dev->tx_offload_flags & NIX_TX_NEED_EXT_HDR) {
143 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
144 /* 2(HDR) + 2(EXT_HDR) + 1(SG) + 1(IOVA) = 6/2 - 1 = 2 */
145 send_hdr->w0.sizem1 = 2;
147 send_hdr_ext = (struct nix_send_ext_s *)&txq->cmd[2];
148 send_hdr_ext->w0.subdc = NIX_SUBDC_EXT;
149 if (dev->tx_offload_flags & NIX_TX_OFFLOAD_TSTAMP_F) {
150 /* Default: one seg packet would have:
151 * 2(HDR) + 2(EXT) + 1(SG) + 1(IOVA) + 2(MEM)
154 send_hdr->w0.sizem1 = 3;
155 send_hdr_ext->w0.tstmp = 1;
157 /* To calculate the offset for send_mem,
158 * send_hdr->w0.sizem1 * 2
160 send_mem = (struct nix_send_mem_s *)
161 (txq->cmd + (send_hdr->w0.sizem1 << 1));
162 send_mem->w0.cn9k.subdc = NIX_SUBDC_MEM;
163 send_mem->w0.cn9k.alg = NIX_SENDMEMALG_SETTSTMP;
164 send_mem->addr = dev->tstamp.tx_tstamp_iova;
166 sg = (union nix_send_sg_s *)&txq->cmd[4];
168 send_hdr = (struct nix_send_hdr_s *)&txq->cmd[0];
169 /* 2(HDR) + 1(SG) + 1(IOVA) = 4/2 - 1 = 1 */
170 send_hdr->w0.sizem1 = 1;
171 sg = (union nix_send_sg_s *)&txq->cmd[2];
174 send_hdr->w0.sq = qid;
175 sg->subdc = NIX_SUBDC_SG;
177 sg->ld_type = NIX_SENDLDTYPE_LDD;
183 cn9k_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
184 uint16_t nb_desc, unsigned int socket,
185 const struct rte_eth_txconf *tx_conf)
187 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
188 struct roc_cpt_lf *inl_lf;
189 struct cn9k_eth_txq *txq;
190 struct roc_nix_sq *sq;
194 RTE_SET_USED(socket);
196 /* Common Tx queue setup */
197 rc = cnxk_nix_tx_queue_setup(eth_dev, qid, nb_desc,
198 sizeof(struct cn9k_eth_txq), tx_conf);
203 /* Update fast path queue */
204 txq = eth_dev->data->tx_queues[qid];
205 txq->fc_mem = sq->fc;
206 txq->lmt_addr = sq->lmt_addr;
207 txq->io_addr = sq->io_addr;
208 txq->nb_sqb_bufs_adj = sq->nb_sqb_bufs_adj;
209 txq->sqes_per_sqb_log2 = sq->sqes_per_sqb_log2;
211 /* Fetch CPT LF info for outbound if present */
212 if (dev->outb.lf_base) {
213 crypto_qid = qid % dev->outb.nb_crypto_qs;
214 inl_lf = dev->outb.lf_base + crypto_qid;
216 txq->cpt_io_addr = inl_lf->io_addr;
217 txq->cpt_fc = inl_lf->fc_addr;
218 txq->cpt_desc = inl_lf->nb_desc * 0.7;
219 txq->sa_base = (uint64_t)dev->outb.sa_base;
220 txq->sa_base |= eth_dev->data->port_id;
221 PLT_STATIC_ASSERT(BIT_ULL(16) == ROC_NIX_INL_SA_BASE_ALIGN);
224 nix_form_default_desc(dev, txq, qid);
225 txq->lso_tun_fmt = dev->lso_tun_fmt;
230 cn9k_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
231 uint16_t nb_desc, unsigned int socket,
232 const struct rte_eth_rxconf *rx_conf,
233 struct rte_mempool *mp)
235 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
236 struct cn9k_eth_rxq *rxq;
237 struct roc_nix_rq *rq;
238 struct roc_nix_cq *cq;
241 RTE_SET_USED(socket);
243 /* CQ Errata needs min 4K ring */
244 if (dev->cq_min_4k && nb_desc < 4096)
247 /* Common Rx queue setup */
248 rc = cnxk_nix_rx_queue_setup(eth_dev, qid, nb_desc,
249 sizeof(struct cn9k_eth_rxq), rx_conf, mp);
256 /* Update fast path queue */
257 rxq = eth_dev->data->rx_queues[qid];
259 rxq->desc = (uintptr_t)cq->desc_base;
260 rxq->cq_door = cq->door;
261 rxq->cq_status = cq->status;
262 rxq->wdata = cq->wdata;
263 rxq->head = cq->head;
264 rxq->qmask = cq->qmask;
265 rxq->tstamp = &dev->tstamp;
267 /* Data offset from data to start of mbuf is first_skip */
268 rxq->data_off = rq->first_skip;
269 rxq->mbuf_initializer = cnxk_nix_rxq_mbuf_setup(dev);
272 rxq->lookup_mem = cnxk_nix_fastpath_lookup_mem_get();
277 cn9k_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
279 struct cn9k_eth_txq *txq = eth_dev->data->tx_queues[qidx];
282 rc = cnxk_nix_tx_queue_stop(eth_dev, qidx);
286 /* Clear fc cache pkts to trigger worker stop */
287 txq->fc_cache_pkts = 0;
292 cn9k_nix_configure(struct rte_eth_dev *eth_dev)
294 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
295 struct rte_eth_conf *conf = ð_dev->data->dev_conf;
296 struct rte_eth_txmode *txmode = &conf->txmode;
299 /* Platform specific checks */
300 if ((roc_model_is_cn96_a0() || roc_model_is_cn95_a0()) &&
301 (txmode->offloads & RTE_ETH_TX_OFFLOAD_SCTP_CKSUM) &&
302 ((txmode->offloads & RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
303 (txmode->offloads & RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM))) {
304 plt_err("Outer IP and SCTP checksum unsupported");
308 /* Common nix configure */
309 rc = cnxk_nix_configure(eth_dev);
313 /* Update offload flags */
314 dev->rx_offload_flags = nix_rx_offload_flags(eth_dev);
315 dev->tx_offload_flags = nix_tx_offload_flags(eth_dev);
317 plt_nix_dbg("Configured port%d platform specific rx_offload_flags=%x"
318 " tx_offload_flags=0x%x",
319 eth_dev->data->port_id, dev->rx_offload_flags,
320 dev->tx_offload_flags);
324 /* Function to enable ptp config for VFs */
326 nix_ptp_enable_vf(struct rte_eth_dev *eth_dev)
328 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
330 if (nix_recalc_mtu(eth_dev))
331 plt_err("Failed to set MTU size for ptp");
333 dev->rx_offload_flags |= NIX_RX_OFFLOAD_TSTAMP_F;
335 /* Setting up the function pointers as per new offload flags */
336 cn9k_eth_set_rx_function(eth_dev);
337 cn9k_eth_set_tx_function(eth_dev);
341 nix_ptp_vf_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts)
343 struct cn9k_eth_rxq *rxq = queue;
344 struct cnxk_eth_rxq_sp *rxq_sp;
345 struct rte_eth_dev *eth_dev;
350 rxq_sp = cnxk_eth_rxq_to_sp(rxq);
351 eth_dev = rxq_sp->dev->eth_dev;
352 nix_ptp_enable_vf(eth_dev);
358 cn9k_nix_ptp_info_update_cb(struct roc_nix *nix, bool ptp_en)
360 struct cnxk_eth_dev *dev = (struct cnxk_eth_dev *)nix;
361 struct rte_eth_dev *eth_dev;
362 struct cn9k_eth_rxq *rxq;
368 eth_dev = dev->eth_dev;
372 dev->ptp_en = ptp_en;
374 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
375 rxq = eth_dev->data->rx_queues[i];
376 rxq->mbuf_initializer = cnxk_nix_rxq_mbuf_setup(dev);
379 if (roc_nix_is_vf_or_sdp(nix) && !(roc_nix_is_sdp(nix)) &&
380 !(roc_nix_is_lbk(nix))) {
381 /* In case of VF, setting of MTU cannot be done directly in this
382 * function as this is running as part of MBOX request(PF->VF)
383 * and MTU setting also requires MBOX message to be
386 eth_dev->rx_pkt_burst = nix_ptp_vf_burst;
394 cn9k_nix_timesync_enable(struct rte_eth_dev *eth_dev)
396 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
399 rc = cnxk_nix_timesync_enable(eth_dev);
403 dev->rx_offload_flags |= NIX_RX_OFFLOAD_TSTAMP_F;
404 dev->tx_offload_flags |= NIX_TX_OFFLOAD_TSTAMP_F;
406 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
407 nix_form_default_desc(dev, eth_dev->data->tx_queues[i], i);
409 /* Setting up the rx[tx]_offload_flags due to change
410 * in rx[tx]_offloads.
412 cn9k_eth_set_rx_function(eth_dev);
413 cn9k_eth_set_tx_function(eth_dev);
418 cn9k_nix_timesync_disable(struct rte_eth_dev *eth_dev)
420 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
423 rc = cnxk_nix_timesync_disable(eth_dev);
427 dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_TSTAMP_F;
428 dev->tx_offload_flags &= ~NIX_TX_OFFLOAD_TSTAMP_F;
430 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
431 nix_form_default_desc(dev, eth_dev->data->tx_queues[i], i);
433 /* Setting up the rx[tx]_offload_flags due to change
434 * in rx[tx]_offloads.
436 cn9k_eth_set_rx_function(eth_dev);
437 cn9k_eth_set_tx_function(eth_dev);
442 cn9k_nix_dev_start(struct rte_eth_dev *eth_dev)
444 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
445 struct roc_nix *nix = &dev->nix;
448 /* Common eth dev start */
449 rc = cnxk_nix_dev_start(eth_dev);
453 /* Update VF about data off shifted by 8 bytes if PTP already
454 * enabled in PF owning this VF
456 if (dev->ptp_en && (!roc_nix_is_pf(nix) && (!roc_nix_is_sdp(nix))))
457 nix_ptp_enable_vf(eth_dev);
459 /* Setting up the rx[tx]_offload_flags due to change
460 * in rx[tx]_offloads.
462 dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev);
463 dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev);
465 cn9k_eth_set_tx_function(eth_dev);
466 cn9k_eth_set_rx_function(eth_dev);
470 /* Update platform specific eth dev ops */
472 nix_eth_dev_ops_override(void)
474 static int init_once;
480 /* Update platform specific ops */
481 cnxk_eth_dev_ops.dev_configure = cn9k_nix_configure;
482 cnxk_eth_dev_ops.tx_queue_setup = cn9k_nix_tx_queue_setup;
483 cnxk_eth_dev_ops.rx_queue_setup = cn9k_nix_rx_queue_setup;
484 cnxk_eth_dev_ops.tx_queue_stop = cn9k_nix_tx_queue_stop;
485 cnxk_eth_dev_ops.dev_start = cn9k_nix_dev_start;
486 cnxk_eth_dev_ops.dev_ptypes_set = cn9k_nix_ptypes_set;
487 cnxk_eth_dev_ops.timesync_enable = cn9k_nix_timesync_enable;
488 cnxk_eth_dev_ops.timesync_disable = cn9k_nix_timesync_disable;
492 npc_flow_ops_override(void)
494 static int init_once;
500 /* Update platform specific ops */
501 cnxk_flow_ops.create = cn9k_flow_create;
502 cnxk_flow_ops.destroy = cn9k_flow_destroy;
506 cn9k_nix_remove(struct rte_pci_device *pci_dev)
508 return cnxk_nix_remove(pci_dev);
512 cn9k_nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
514 struct rte_eth_dev *eth_dev;
515 struct cnxk_eth_dev *dev;
518 if (RTE_CACHE_LINE_SIZE != 128) {
519 plt_err("Driver not compiled for CN9K");
525 plt_err("Failed to initialize platform model, rc=%d", rc);
529 nix_eth_dev_ops_override();
530 npc_flow_ops_override();
532 cn9k_eth_sec_ops_override();
535 rc = cnxk_nix_probe(pci_drv, pci_dev);
539 /* Find eth dev allocated */
540 eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
544 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
545 /* Setup callbacks for secondary process */
546 cn9k_eth_set_tx_function(eth_dev);
547 cn9k_eth_set_rx_function(eth_dev);
551 dev = cnxk_eth_pmd_priv(eth_dev);
552 /* Update capabilities already set for TSO.
553 * TSO not supported for earlier chip revisions
555 if (roc_model_is_cn96_a0() || roc_model_is_cn95_a0())
556 dev->tx_offload_capa &= ~(RTE_ETH_TX_OFFLOAD_TCP_TSO |
557 RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO |
558 RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO |
559 RTE_ETH_TX_OFFLOAD_GRE_TNL_TSO);
561 /* 50G and 100G to be supported for board version C0
564 if (roc_model_is_cn96_a0() || roc_model_is_cn95_a0()) {
565 dev->speed_capa &= ~(uint64_t)RTE_ETH_LINK_SPEED_50G;
566 dev->speed_capa &= ~(uint64_t)RTE_ETH_LINK_SPEED_100G;
571 /* Register up msg callbacks for PTP information */
572 roc_nix_ptp_info_cb_register(&dev->nix, cn9k_nix_ptp_info_update_cb);
574 /* Update HW erratas */
575 if (roc_model_is_cn96_a0() || roc_model_is_cn95_a0())
580 static const struct rte_pci_id cn9k_pci_nix_map[] = {
586 static struct rte_pci_driver cn9k_pci_nix = {
587 .id_table = cn9k_pci_nix_map,
588 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
589 RTE_PCI_DRV_INTR_LSC,
590 .probe = cn9k_nix_probe,
591 .remove = cn9k_nix_remove,
594 RTE_PMD_REGISTER_PCI(net_cn9k, cn9k_pci_nix);
595 RTE_PMD_REGISTER_PCI_TABLE(net_cn9k, cn9k_pci_nix_map);
596 RTE_PMD_REGISTER_KMOD_DEP(net_cn9k, "vfio-pci");