1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
3 */
4 #include "cn9k_ethdev.h"
5 #include "cn9k_flow.h"
6 #include "cn9k_rx.h"
7 #include "cn9k_tx.h"
8
9 static uint16_t
nix_rx_offload_flags(struct rte_eth_dev * eth_dev)10 nix_rx_offload_flags(struct rte_eth_dev *eth_dev)
11 {
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;
16 uint16_t flags = 0;
17
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;
21
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;
25
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;
29
30 if (dev->rx_offloads & RTE_ETH_RX_OFFLOAD_SCATTER)
31 flags |= NIX_RX_MULTI_SEG_F;
32
33 if ((dev->rx_offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP))
34 flags |= NIX_RX_OFFLOAD_TSTAMP_F;
35
36 if (!dev->ptype_disable)
37 flags |= NIX_RX_OFFLOAD_PTYPE_F;
38
39 if (dev->rx_offloads & RTE_ETH_RX_OFFLOAD_SECURITY)
40 flags |= NIX_RX_OFFLOAD_SECURITY_F;
41
42 if (dev->rx_mark_update)
43 flags |= NIX_RX_OFFLOAD_MARK_UPDATE_F;
44
45 return flags;
46 }
47
48 static uint16_t
nix_tx_offload_flags(struct rte_eth_dev * eth_dev)49 nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
50 {
51 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
52 uint64_t conf = dev->tx_offloads;
53 uint16_t flags = 0;
54
55 /* Fastpath is dependent on these enums */
56 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_TCP_CKSUM != (1ULL << 52));
57 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_SCTP_CKSUM != (2ULL << 52));
58 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_UDP_CKSUM != (3ULL << 52));
59 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_IP_CKSUM != (1ULL << 54));
60 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_IPV4 != (1ULL << 55));
61 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IP_CKSUM != (1ULL << 58));
62 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IPV4 != (1ULL << 59));
63 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_IPV6 != (1ULL << 60));
64 RTE_BUILD_BUG_ON(RTE_MBUF_F_TX_OUTER_UDP_CKSUM != (1ULL << 41));
65 RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7);
66 RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9);
67 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7);
68 RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9);
69 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) !=
70 offsetof(struct rte_mbuf, buf_iova) + 8);
71 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
72 offsetof(struct rte_mbuf, buf_iova) + 16);
73 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
74 offsetof(struct rte_mbuf, ol_flags) + 12);
75 RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) !=
76 offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *));
77
78 if (conf & RTE_ETH_TX_OFFLOAD_VLAN_INSERT ||
79 conf & RTE_ETH_TX_OFFLOAD_QINQ_INSERT)
80 flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
81
82 if (conf & RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
83 conf & RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM)
84 flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F;
85
86 if (conf & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM ||
87 conf & RTE_ETH_TX_OFFLOAD_TCP_CKSUM ||
88 conf & RTE_ETH_TX_OFFLOAD_UDP_CKSUM || conf & RTE_ETH_TX_OFFLOAD_SCTP_CKSUM)
89 flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F;
90
91 if (!(conf & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE))
92 flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F;
93
94 if (conf & RTE_ETH_TX_OFFLOAD_MULTI_SEGS)
95 flags |= NIX_TX_MULTI_SEG_F;
96
97 /* Enable Inner checksum for TSO */
98 if (conf & RTE_ETH_TX_OFFLOAD_TCP_TSO)
99 flags |= (NIX_TX_OFFLOAD_TSO_F | NIX_TX_OFFLOAD_L3_L4_CSUM_F);
100
101 /* Enable Inner and Outer checksum for Tunnel TSO */
102 if (conf & (RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO |
103 RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO | RTE_ETH_TX_OFFLOAD_GRE_TNL_TSO))
104 flags |= (NIX_TX_OFFLOAD_TSO_F | NIX_TX_OFFLOAD_OL3_OL4_CSUM_F |
105 NIX_TX_OFFLOAD_L3_L4_CSUM_F);
106
107 if ((dev->rx_offloads & RTE_ETH_RX_OFFLOAD_TIMESTAMP))
108 flags |= NIX_TX_OFFLOAD_TSTAMP_F;
109
110 if (dev->tx_offloads & RTE_ETH_TX_OFFLOAD_SECURITY)
111 flags |= NIX_TX_OFFLOAD_SECURITY_F;
112
113 if (dev->tx_mark)
114 flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
115
116 return flags;
117 }
118
119 static int
cn9k_nix_ptypes_set(struct rte_eth_dev * eth_dev,uint32_t ptype_mask)120 cn9k_nix_ptypes_set(struct rte_eth_dev *eth_dev, uint32_t ptype_mask)
121 {
122 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
123
124 if (ptype_mask) {
125 dev->rx_offload_flags |= NIX_RX_OFFLOAD_PTYPE_F;
126 dev->ptype_disable = 0;
127 } else {
128 dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_PTYPE_F;
129 dev->ptype_disable = 1;
130 }
131
132 cn9k_eth_set_rx_function(eth_dev);
133 return 0;
134 }
135
136 static void
nix_form_default_desc(struct cnxk_eth_dev * dev,struct cn9k_eth_txq * txq,uint16_t qid)137 nix_form_default_desc(struct cnxk_eth_dev *dev, struct cn9k_eth_txq *txq,
138 uint16_t qid)
139 {
140 union nix_send_hdr_w0_u send_hdr_w0;
141
142 /* Initialize the fields based on basic single segment packet */
143 send_hdr_w0.u = 0;
144 if (dev->tx_offload_flags & NIX_TX_NEED_EXT_HDR) {
145 /* 2(HDR) + 2(EXT_HDR) + 1(SG) + 1(IOVA) = 6/2 - 1 = 2 */
146 send_hdr_w0.sizem1 = 2;
147 if (dev->tx_offload_flags & NIX_TX_OFFLOAD_TSTAMP_F) {
148 /* Default: one seg packet would have:
149 * 2(HDR) + 2(EXT) + 1(SG) + 1(IOVA) + 2(MEM)
150 * => 8/2 - 1 = 3
151 */
152 send_hdr_w0.sizem1 = 3;
153
154 /* To calculate the offset for send_mem,
155 * send_hdr->w0.sizem1 * 2
156 */
157 txq->ts_mem = dev->tstamp.tx_tstamp_iova;
158 }
159 } else {
160 /* 2(HDR) + 1(SG) + 1(IOVA) = 4/2 - 1 = 1 */
161 send_hdr_w0.sizem1 = 1;
162 }
163 send_hdr_w0.sq = qid;
164 txq->send_hdr_w0 = send_hdr_w0.u;
165 rte_wmb();
166 }
167
168 static int
cn9k_nix_tx_queue_setup(struct rte_eth_dev * eth_dev,uint16_t qid,uint16_t nb_desc,unsigned int socket,const struct rte_eth_txconf * tx_conf)169 cn9k_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
170 uint16_t nb_desc, unsigned int socket,
171 const struct rte_eth_txconf *tx_conf)
172 {
173 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
174 uint64_t mark_fmt, mark_flag;
175 struct roc_cpt_lf *inl_lf;
176 struct cn9k_eth_txq *txq;
177 struct roc_nix_sq *sq;
178 uint16_t crypto_qid;
179 int rc;
180
181 RTE_SET_USED(socket);
182
183 /* Common Tx queue setup */
184 rc = cnxk_nix_tx_queue_setup(eth_dev, qid, nb_desc,
185 sizeof(struct cn9k_eth_txq), tx_conf);
186 if (rc)
187 return rc;
188
189 sq = &dev->sqs[qid];
190 /* Update fast path queue */
191 txq = eth_dev->data->tx_queues[qid];
192 txq->fc_mem = sq->fc;
193 txq->lmt_addr = sq->lmt_addr;
194 txq->io_addr = sq->io_addr;
195 txq->nb_sqb_bufs_adj = sq->nb_sqb_bufs_adj;
196 txq->sqes_per_sqb_log2 = sq->sqes_per_sqb_log2;
197
198 /* Fetch CPT LF info for outbound if present */
199 if (dev->outb.lf_base) {
200 crypto_qid = qid % dev->outb.nb_crypto_qs;
201 inl_lf = dev->outb.lf_base + crypto_qid;
202
203 txq->cpt_io_addr = inl_lf->io_addr;
204 txq->cpt_fc = inl_lf->fc_addr;
205 txq->cpt_desc = inl_lf->nb_desc * 0.7;
206 txq->sa_base = (uint64_t)dev->outb.sa_base;
207 txq->sa_base |= eth_dev->data->port_id;
208 PLT_STATIC_ASSERT(BIT_ULL(16) == ROC_NIX_INL_SA_BASE_ALIGN);
209 }
210
211 mark_fmt = roc_nix_tm_mark_format_get(&dev->nix, &mark_flag);
212 txq->mark_flag = mark_flag & CNXK_TM_MARK_MASK;
213 txq->mark_fmt = mark_fmt & CNXK_TX_MARK_FMT_MASK;
214
215 nix_form_default_desc(dev, txq, qid);
216 txq->lso_tun_fmt = dev->lso_tun_fmt;
217 return 0;
218 }
219
220 static int
cn9k_nix_rx_queue_setup(struct rte_eth_dev * eth_dev,uint16_t qid,uint16_t nb_desc,unsigned int socket,const struct rte_eth_rxconf * rx_conf,struct rte_mempool * mp)221 cn9k_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
222 uint16_t nb_desc, unsigned int socket,
223 const struct rte_eth_rxconf *rx_conf,
224 struct rte_mempool *mp)
225 {
226 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
227 struct cn9k_eth_rxq *rxq;
228 struct roc_nix_rq *rq;
229 struct roc_nix_cq *cq;
230 int rc;
231
232 RTE_SET_USED(socket);
233
234 /* CQ Errata needs min 4K ring */
235 if (dev->cq_min_4k && nb_desc < 4096)
236 nb_desc = 4096;
237
238 /* Common Rx queue setup */
239 rc = cnxk_nix_rx_queue_setup(eth_dev, qid, nb_desc,
240 sizeof(struct cn9k_eth_rxq), rx_conf, mp);
241 if (rc)
242 return rc;
243
244 /* Do initial mtu setup for RQ0 before device start */
245 if (!qid) {
246 rc = nix_recalc_mtu(eth_dev);
247 if (rc)
248 return rc;
249
250 /* Update offload flags */
251 dev->rx_offload_flags = nix_rx_offload_flags(eth_dev);
252 dev->tx_offload_flags = nix_tx_offload_flags(eth_dev);
253 }
254
255 rq = &dev->rqs[qid];
256 cq = &dev->cqs[qid];
257
258 /* Update fast path queue */
259 rxq = eth_dev->data->rx_queues[qid];
260 rxq->rq = qid;
261 rxq->desc = (uintptr_t)cq->desc_base;
262 rxq->cq_door = cq->door;
263 rxq->cq_status = cq->status;
264 rxq->wdata = cq->wdata;
265 rxq->head = cq->head;
266 rxq->qmask = cq->qmask;
267 rxq->tstamp = &dev->tstamp;
268
269 /* Data offset from data to start of mbuf is first_skip */
270 rxq->data_off = rq->first_skip;
271 rxq->mbuf_initializer = cnxk_nix_rxq_mbuf_setup(dev);
272
273 /* Lookup mem */
274 rxq->lookup_mem = cnxk_nix_fastpath_lookup_mem_get();
275 return 0;
276 }
277
278 static int
cn9k_nix_tx_queue_stop(struct rte_eth_dev * eth_dev,uint16_t qidx)279 cn9k_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qidx)
280 {
281 struct cn9k_eth_txq *txq = eth_dev->data->tx_queues[qidx];
282 int rc;
283
284 rc = cnxk_nix_tx_queue_stop(eth_dev, qidx);
285 if (rc)
286 return rc;
287
288 /* Clear fc cache pkts to trigger worker stop */
289 txq->fc_cache_pkts = 0;
290 return 0;
291 }
292
293 static int
cn9k_nix_configure(struct rte_eth_dev * eth_dev)294 cn9k_nix_configure(struct rte_eth_dev *eth_dev)
295 {
296 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
297 struct rte_eth_conf *conf = ð_dev->data->dev_conf;
298 struct rte_eth_txmode *txmode = &conf->txmode;
299 int rc;
300
301 /* Platform specific checks */
302 if ((roc_model_is_cn96_a0() || roc_model_is_cn95_a0()) &&
303 (txmode->offloads & RTE_ETH_TX_OFFLOAD_SCTP_CKSUM) &&
304 ((txmode->offloads & RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
305 (txmode->offloads & RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM))) {
306 plt_err("Outer IP and SCTP checksum unsupported");
307 return -EINVAL;
308 }
309
310 /* Common nix configure */
311 rc = cnxk_nix_configure(eth_dev);
312 if (rc)
313 return rc;
314
315 /* Update offload flags */
316 dev->rx_offload_flags = nix_rx_offload_flags(eth_dev);
317 dev->tx_offload_flags = nix_tx_offload_flags(eth_dev);
318
319 plt_nix_dbg("Configured port%d platform specific rx_offload_flags=%x"
320 " tx_offload_flags=0x%x",
321 eth_dev->data->port_id, dev->rx_offload_flags,
322 dev->tx_offload_flags);
323 return 0;
324 }
325
326 /* Function to enable ptp config for VFs */
327 static void
nix_ptp_enable_vf(struct rte_eth_dev * eth_dev)328 nix_ptp_enable_vf(struct rte_eth_dev *eth_dev)
329 {
330 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
331
332 if (nix_recalc_mtu(eth_dev))
333 plt_err("Failed to set MTU size for ptp");
334
335 dev->rx_offload_flags |= NIX_RX_OFFLOAD_TSTAMP_F;
336
337 /* Setting up the function pointers as per new offload flags */
338 cn9k_eth_set_rx_function(eth_dev);
339 cn9k_eth_set_tx_function(eth_dev);
340 }
341
342 static uint16_t
nix_ptp_vf_burst(void * queue,struct rte_mbuf ** mbufs,uint16_t pkts)343 nix_ptp_vf_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts)
344 {
345 struct cn9k_eth_rxq *rxq = queue;
346 struct cnxk_eth_rxq_sp *rxq_sp;
347 struct rte_eth_dev *eth_dev;
348
349 RTE_SET_USED(mbufs);
350 RTE_SET_USED(pkts);
351
352 rxq_sp = cnxk_eth_rxq_to_sp(rxq);
353 eth_dev = rxq_sp->dev->eth_dev;
354 nix_ptp_enable_vf(eth_dev);
355
356 return 0;
357 }
358
359 static int
cn9k_nix_ptp_info_update_cb(struct roc_nix * nix,bool ptp_en)360 cn9k_nix_ptp_info_update_cb(struct roc_nix *nix, bool ptp_en)
361 {
362 struct cnxk_eth_dev *dev = (struct cnxk_eth_dev *)nix;
363 struct rte_eth_dev *eth_dev;
364 struct cn9k_eth_rxq *rxq;
365 int i;
366
367 if (!dev)
368 return -EINVAL;
369
370 eth_dev = dev->eth_dev;
371 if (!eth_dev)
372 return -EINVAL;
373
374 dev->ptp_en = ptp_en;
375
376 for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
377 rxq = eth_dev->data->rx_queues[i];
378 rxq->mbuf_initializer = cnxk_nix_rxq_mbuf_setup(dev);
379 }
380
381 if (roc_nix_is_vf_or_sdp(nix) && !(roc_nix_is_sdp(nix)) &&
382 !(roc_nix_is_lbk(nix))) {
383 /* In case of VF, setting of MTU cannot be done directly in this
384 * function as this is running as part of MBOX request(PF->VF)
385 * and MTU setting also requires MBOX message to be
386 * sent(VF->PF)
387 */
388 eth_dev->rx_pkt_burst = nix_ptp_vf_burst;
389 rte_mb();
390 }
391
392 return 0;
393 }
394
395 static int
cn9k_nix_timesync_enable(struct rte_eth_dev * eth_dev)396 cn9k_nix_timesync_enable(struct rte_eth_dev *eth_dev)
397 {
398 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
399 int i, rc;
400
401 rc = cnxk_nix_timesync_enable(eth_dev);
402 if (rc)
403 return rc;
404
405 dev->rx_offload_flags |= NIX_RX_OFFLOAD_TSTAMP_F;
406 dev->tx_offload_flags |= NIX_TX_OFFLOAD_TSTAMP_F;
407
408 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
409 nix_form_default_desc(dev, eth_dev->data->tx_queues[i], i);
410
411 /* Setting up the rx[tx]_offload_flags due to change
412 * in rx[tx]_offloads.
413 */
414 cn9k_eth_set_rx_function(eth_dev);
415 cn9k_eth_set_tx_function(eth_dev);
416 return 0;
417 }
418
419 static int
cn9k_nix_timesync_disable(struct rte_eth_dev * eth_dev)420 cn9k_nix_timesync_disable(struct rte_eth_dev *eth_dev)
421 {
422 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
423 int i, rc;
424
425 rc = cnxk_nix_timesync_disable(eth_dev);
426 if (rc)
427 return rc;
428
429 dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_TSTAMP_F;
430 dev->tx_offload_flags &= ~NIX_TX_OFFLOAD_TSTAMP_F;
431
432 for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
433 nix_form_default_desc(dev, eth_dev->data->tx_queues[i], i);
434
435 /* Setting up the rx[tx]_offload_flags due to change
436 * in rx[tx]_offloads.
437 */
438 cn9k_eth_set_rx_function(eth_dev);
439 cn9k_eth_set_tx_function(eth_dev);
440 return 0;
441 }
442
443 static int
cn9k_nix_dev_start(struct rte_eth_dev * eth_dev)444 cn9k_nix_dev_start(struct rte_eth_dev *eth_dev)
445 {
446 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
447 struct roc_nix *nix = &dev->nix;
448 int rc;
449
450 /* Common eth dev start */
451 rc = cnxk_nix_dev_start(eth_dev);
452 if (rc)
453 return rc;
454
455 /* Update VF about data off shifted by 8 bytes if PTP already
456 * enabled in PF owning this VF
457 */
458 if (dev->ptp_en && (!roc_nix_is_pf(nix) && (!roc_nix_is_sdp(nix))))
459 nix_ptp_enable_vf(eth_dev);
460
461 /* Setting up the rx[tx]_offload_flags due to change
462 * in rx[tx]_offloads.
463 */
464 dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev);
465 dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev);
466
467 cn9k_eth_set_tx_function(eth_dev);
468 cn9k_eth_set_rx_function(eth_dev);
469 return 0;
470 }
471
472 static int
cn9k_nix_timesync_read_tx_timestamp(struct rte_eth_dev * eth_dev,struct timespec * timestamp)473 cn9k_nix_timesync_read_tx_timestamp(struct rte_eth_dev *eth_dev,
474 struct timespec *timestamp)
475 {
476 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
477 struct cnxk_timesync_info *tstamp = &dev->tstamp;
478 uint64_t ns;
479
480 if (*tstamp->tx_tstamp == 0)
481 return -EINVAL;
482
483 ns = rte_timecounter_update(&dev->tx_tstamp_tc, *tstamp->tx_tstamp);
484 *timestamp = rte_ns_to_timespec(ns);
485 *tstamp->tx_tstamp = 0;
486 rte_wmb();
487
488 return 0;
489 }
490
491 static int
cn9k_nix_rx_metadata_negotiate(struct rte_eth_dev * eth_dev,uint64_t * features)492 cn9k_nix_rx_metadata_negotiate(struct rte_eth_dev *eth_dev, uint64_t *features)
493 {
494 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
495
496 *features &=
497 (RTE_ETH_RX_METADATA_USER_FLAG | RTE_ETH_RX_METADATA_USER_MARK);
498
499 if (*features) {
500 dev->rx_offload_flags |= NIX_RX_OFFLOAD_MARK_UPDATE_F;
501 dev->rx_mark_update = true;
502 } else {
503 dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_MARK_UPDATE_F;
504 dev->rx_mark_update = false;
505 }
506
507 cn9k_eth_set_rx_function(eth_dev);
508
509 return 0;
510 }
511
512 static int
cn9k_nix_tm_mark_vlan_dei(struct rte_eth_dev * eth_dev,int mark_green,int mark_yellow,int mark_red,struct rte_tm_error * error)513 cn9k_nix_tm_mark_vlan_dei(struct rte_eth_dev *eth_dev, int mark_green,
514 int mark_yellow, int mark_red,
515 struct rte_tm_error *error)
516 {
517 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
518 struct roc_nix *roc_nix = &dev->nix;
519 uint64_t mark_fmt, mark_flag;
520 int rc, i;
521
522 rc = cnxk_nix_tm_mark_vlan_dei(eth_dev, mark_green, mark_yellow,
523 mark_red, error);
524
525 if (rc)
526 goto exit;
527
528 mark_fmt = roc_nix_tm_mark_format_get(roc_nix, &mark_flag);
529 if (mark_flag) {
530 dev->tx_offload_flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
531 dev->tx_mark = true;
532 } else {
533 dev->tx_mark = false;
534 if (!(dev->tx_offloads & RTE_ETH_TX_OFFLOAD_VLAN_INSERT ||
535 dev->tx_offloads & RTE_ETH_TX_OFFLOAD_QINQ_INSERT))
536 dev->tx_offload_flags &= ~NIX_TX_OFFLOAD_VLAN_QINQ_F;
537 }
538
539 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
540 struct cn9k_eth_txq *txq = eth_dev->data->tx_queues[i];
541
542 txq->mark_flag = mark_flag & CNXK_TM_MARK_MASK;
543 txq->mark_fmt = mark_fmt & CNXK_TX_MARK_FMT_MASK;
544 }
545 cn9k_eth_set_tx_function(eth_dev);
546 exit:
547 return rc;
548 }
549
550 static int
cn9k_nix_tm_mark_ip_ecn(struct rte_eth_dev * eth_dev,int mark_green,int mark_yellow,int mark_red,struct rte_tm_error * error)551 cn9k_nix_tm_mark_ip_ecn(struct rte_eth_dev *eth_dev, int mark_green,
552 int mark_yellow, int mark_red,
553 struct rte_tm_error *error)
554 {
555 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
556 struct roc_nix *roc_nix = &dev->nix;
557 uint64_t mark_fmt, mark_flag;
558 int rc, i;
559
560 rc = cnxk_nix_tm_mark_ip_ecn(eth_dev, mark_green, mark_yellow, mark_red,
561 error);
562 if (rc)
563 goto exit;
564
565 mark_fmt = roc_nix_tm_mark_format_get(roc_nix, &mark_flag);
566 if (mark_flag) {
567 dev->tx_offload_flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
568 dev->tx_mark = true;
569 } else {
570 dev->tx_mark = false;
571 if (!(dev->tx_offloads & RTE_ETH_TX_OFFLOAD_VLAN_INSERT ||
572 dev->tx_offloads & RTE_ETH_TX_OFFLOAD_QINQ_INSERT))
573 dev->tx_offload_flags &= ~NIX_TX_OFFLOAD_VLAN_QINQ_F;
574 }
575
576 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
577 struct cn9k_eth_txq *txq = eth_dev->data->tx_queues[i];
578
579 txq->mark_flag = mark_flag & CNXK_TM_MARK_MASK;
580 txq->mark_fmt = mark_fmt & CNXK_TX_MARK_FMT_MASK;
581 }
582 cn9k_eth_set_tx_function(eth_dev);
583 exit:
584 return rc;
585 }
586
587 static int
cn9k_nix_tm_mark_ip_dscp(struct rte_eth_dev * eth_dev,int mark_green,int mark_yellow,int mark_red,struct rte_tm_error * error)588 cn9k_nix_tm_mark_ip_dscp(struct rte_eth_dev *eth_dev, int mark_green,
589 int mark_yellow, int mark_red,
590 struct rte_tm_error *error)
591 {
592 struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
593 struct roc_nix *roc_nix = &dev->nix;
594 uint64_t mark_fmt, mark_flag;
595 int rc, i;
596
597 rc = cnxk_nix_tm_mark_ip_dscp(eth_dev, mark_green, mark_yellow,
598 mark_red, error);
599 if (rc)
600 goto exit;
601
602 mark_fmt = roc_nix_tm_mark_format_get(roc_nix, &mark_flag);
603 if (mark_flag) {
604 dev->tx_offload_flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
605 dev->tx_mark = true;
606 } else {
607 dev->tx_mark = false;
608 if (!(dev->tx_offloads & RTE_ETH_TX_OFFLOAD_VLAN_INSERT ||
609 dev->tx_offloads & RTE_ETH_TX_OFFLOAD_QINQ_INSERT))
610 dev->tx_offload_flags &= ~NIX_TX_OFFLOAD_VLAN_QINQ_F;
611 }
612
613 for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
614 struct cn9k_eth_txq *txq = eth_dev->data->tx_queues[i];
615
616 txq->mark_flag = mark_flag & CNXK_TM_MARK_MASK;
617 txq->mark_fmt = mark_fmt & CNXK_TX_MARK_FMT_MASK;
618 }
619 cn9k_eth_set_tx_function(eth_dev);
620 exit:
621 return rc;
622 }
623
624 /* Update platform specific eth dev ops */
625 static void
nix_eth_dev_ops_override(void)626 nix_eth_dev_ops_override(void)
627 {
628 static int init_once;
629
630 if (init_once)
631 return;
632 init_once = 1;
633
634 /* Update platform specific ops */
635 cnxk_eth_dev_ops.dev_configure = cn9k_nix_configure;
636 cnxk_eth_dev_ops.tx_queue_setup = cn9k_nix_tx_queue_setup;
637 cnxk_eth_dev_ops.rx_queue_setup = cn9k_nix_rx_queue_setup;
638 cnxk_eth_dev_ops.tx_queue_stop = cn9k_nix_tx_queue_stop;
639 cnxk_eth_dev_ops.dev_start = cn9k_nix_dev_start;
640 cnxk_eth_dev_ops.dev_ptypes_set = cn9k_nix_ptypes_set;
641 cnxk_eth_dev_ops.timesync_enable = cn9k_nix_timesync_enable;
642 cnxk_eth_dev_ops.timesync_disable = cn9k_nix_timesync_disable;
643 cnxk_eth_dev_ops.mtr_ops_get = NULL;
644 cnxk_eth_dev_ops.rx_metadata_negotiate = cn9k_nix_rx_metadata_negotiate;
645 cnxk_eth_dev_ops.timesync_read_tx_timestamp =
646 cn9k_nix_timesync_read_tx_timestamp;
647 }
648
649 /* Update platform specific eth dev ops */
650 static void
nix_tm_ops_override(void)651 nix_tm_ops_override(void)
652 {
653 static int init_once;
654
655 if (init_once)
656 return;
657 init_once = 1;
658
659 /* Update platform specific ops */
660 cnxk_tm_ops.mark_vlan_dei = cn9k_nix_tm_mark_vlan_dei;
661 cnxk_tm_ops.mark_ip_ecn = cn9k_nix_tm_mark_ip_ecn;
662 cnxk_tm_ops.mark_ip_dscp = cn9k_nix_tm_mark_ip_dscp;
663 }
664
665 static void
npc_flow_ops_override(void)666 npc_flow_ops_override(void)
667 {
668 static int init_once;
669
670 if (init_once)
671 return;
672 init_once = 1;
673
674 /* Update platform specific ops */
675 cnxk_flow_ops.create = cn9k_flow_create;
676 cnxk_flow_ops.destroy = cn9k_flow_destroy;
677 }
678
679 static int
cn9k_nix_remove(struct rte_pci_device * pci_dev)680 cn9k_nix_remove(struct rte_pci_device *pci_dev)
681 {
682 return cnxk_nix_remove(pci_dev);
683 }
684
685 static int
cn9k_nix_probe(struct rte_pci_driver * pci_drv,struct rte_pci_device * pci_dev)686 cn9k_nix_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
687 {
688 struct rte_eth_dev *eth_dev;
689 struct cnxk_eth_dev *dev;
690 int rc;
691
692 if (RTE_CACHE_LINE_SIZE != 128) {
693 plt_err("Driver not compiled for CN9K");
694 return -EFAULT;
695 }
696
697 rc = roc_plt_init();
698 if (rc) {
699 plt_err("Failed to initialize platform model, rc=%d", rc);
700 return rc;
701 }
702
703 nix_eth_dev_ops_override();
704 nix_tm_ops_override();
705 npc_flow_ops_override();
706
707 cn9k_eth_sec_ops_override();
708
709 /* Common probe */
710 rc = cnxk_nix_probe(pci_drv, pci_dev);
711 if (rc)
712 return rc;
713
714 /* Find eth dev allocated */
715 eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
716 if (!eth_dev) {
717 /* Ignore if ethdev is in mid of detach state in secondary */
718 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
719 return 0;
720 return -ENOENT;
721 }
722
723 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
724 /* Setup callbacks for secondary process */
725 cn9k_eth_set_tx_function(eth_dev);
726 cn9k_eth_set_rx_function(eth_dev);
727 return 0;
728 }
729
730 dev = cnxk_eth_pmd_priv(eth_dev);
731 /* Update capabilities already set for TSO.
732 * TSO not supported for earlier chip revisions
733 */
734 if (roc_model_is_cn96_a0() || roc_model_is_cn95_a0())
735 dev->tx_offload_capa &= ~(RTE_ETH_TX_OFFLOAD_TCP_TSO |
736 RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO |
737 RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO |
738 RTE_ETH_TX_OFFLOAD_GRE_TNL_TSO);
739
740 /* 50G and 100G to be supported for board version C0
741 * and above of CN9K.
742 */
743 if (roc_model_is_cn96_a0() || roc_model_is_cn95_a0()) {
744 dev->speed_capa &= ~(uint64_t)RTE_ETH_LINK_SPEED_50G;
745 dev->speed_capa &= ~(uint64_t)RTE_ETH_LINK_SPEED_100G;
746 }
747
748 dev->hwcap = 0;
749 dev->inb.no_inl_dev = 1;
750
751 /* Register up msg callbacks for PTP information */
752 roc_nix_ptp_info_cb_register(&dev->nix, cn9k_nix_ptp_info_update_cb);
753
754 /* Update HW erratas */
755 if (roc_errata_nix_has_cq_min_size_4k())
756 dev->cq_min_4k = 1;
757
758 if (dev->nix.custom_sa_action) {
759 dev->nix.custom_sa_action = 0;
760 plt_info("WARNING: Custom SA action is enabled. It's not supported"
761 " on cn9k device. Disabling it");
762 }
763 return 0;
764 }
765
766 static const struct rte_pci_id cn9k_pci_nix_map[] = {
767 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KA, PCI_DEVID_CNXK_RVU_PF),
768 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KB, PCI_DEVID_CNXK_RVU_PF),
769 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KC, PCI_DEVID_CNXK_RVU_PF),
770 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KD, PCI_DEVID_CNXK_RVU_PF),
771 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KE, PCI_DEVID_CNXK_RVU_PF),
772 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KA, PCI_DEVID_CNXK_RVU_VF),
773 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KB, PCI_DEVID_CNXK_RVU_VF),
774 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KC, PCI_DEVID_CNXK_RVU_VF),
775 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KD, PCI_DEVID_CNXK_RVU_VF),
776 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KE, PCI_DEVID_CNXK_RVU_VF),
777 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KA, PCI_DEVID_CNXK_RVU_AF_VF),
778 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KB, PCI_DEVID_CNXK_RVU_AF_VF),
779 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KC, PCI_DEVID_CNXK_RVU_AF_VF),
780 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KD, PCI_DEVID_CNXK_RVU_AF_VF),
781 CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN9KE, PCI_DEVID_CNXK_RVU_AF_VF),
782 {
783 .vendor_id = 0,
784 },
785 };
786
787 static struct rte_pci_driver cn9k_pci_nix = {
788 .id_table = cn9k_pci_nix_map,
789 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA |
790 RTE_PCI_DRV_INTR_LSC,
791 .probe = cn9k_nix_probe,
792 .remove = cn9k_nix_remove,
793 };
794
795 RTE_PMD_REGISTER_PCI(net_cn9k, cn9k_pci_nix);
796 RTE_PMD_REGISTER_PCI_TABLE(net_cn9k, cn9k_pci_nix_map);
797 RTE_PMD_REGISTER_KMOD_DEP(net_cn9k, "vfio-pci");
798