xref: /dpdk/drivers/net/cnxk/cn9k_rx.h (revision eabbac98af1345157e07c431e18543296c37c355)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(C) 2021 Marvell.
3  */
4 
5 #ifndef __CN9K_RX_H__
6 #define __CN9K_RX_H__
7 
8 #include <rte_ether.h>
9 #include <rte_vect.h>
10 
11 #include <cnxk_ethdev.h>
12 
13 #define NIX_RX_OFFLOAD_NONE	     (0)
14 #define NIX_RX_OFFLOAD_RSS_F	     BIT(0)
15 #define NIX_RX_OFFLOAD_PTYPE_F	     BIT(1)
16 #define NIX_RX_OFFLOAD_CHECKSUM_F    BIT(2)
17 #define NIX_RX_OFFLOAD_MARK_UPDATE_F BIT(3)
18 #define NIX_RX_OFFLOAD_TSTAMP_F	     BIT(4)
19 #define NIX_RX_OFFLOAD_VLAN_STRIP_F  BIT(5)
20 #define NIX_RX_OFFLOAD_SECURITY_F    BIT(6)
21 #define NIX_RX_OFFLOAD_MAX	     (NIX_RX_OFFLOAD_SECURITY_F << 1)
22 
23 /* Flags to control cqe_to_mbuf conversion function.
24  * Defining it from backwards to denote its been
25  * not used as offload flags to pick function
26  */
27 #define NIX_RX_MULTI_SEG_F BIT(14)
28 
29 #define CNXK_NIX_CQ_ENTRY_SZ 128
30 #define NIX_DESCS_PER_LOOP   4
31 #define CQE_CAST(x)	     ((struct nix_cqe_hdr_s *)(x))
32 #define CQE_SZ(x)	     ((x) * CNXK_NIX_CQ_ENTRY_SZ)
33 
34 #define IPSEC_SQ_LO_IDX 4
35 #define IPSEC_SQ_HI_IDX 8
36 
37 union mbuf_initializer {
38 	struct {
39 		uint16_t data_off;
40 		uint16_t refcnt;
41 		uint16_t nb_segs;
42 		uint16_t port;
43 	} fields;
44 	uint64_t value;
45 };
46 
47 static __rte_always_inline uint64_t
nix_clear_data_off(uint64_t oldval)48 nix_clear_data_off(uint64_t oldval)
49 {
50 	union mbuf_initializer mbuf_init = {.value = oldval};
51 
52 	mbuf_init.fields.data_off = 0;
53 	return mbuf_init.value;
54 }
55 
56 static __rte_always_inline struct rte_mbuf *
nix_get_mbuf_from_cqe(void * cq,const uint64_t data_off)57 nix_get_mbuf_from_cqe(void *cq, const uint64_t data_off)
58 {
59 	rte_iova_t buff;
60 
61 	/* Skip CQE, NIX_RX_PARSE_S and SG HDR(9 DWORDs) and peek buff addr */
62 	buff = *((rte_iova_t *)((uint64_t *)cq + 9));
63 	return (struct rte_mbuf *)(buff - data_off);
64 }
65 
66 static __rte_always_inline uint32_t
nix_ptype_get(const void * const lookup_mem,const uint64_t in)67 nix_ptype_get(const void *const lookup_mem, const uint64_t in)
68 {
69 	const uint16_t *const ptype = lookup_mem;
70 	const uint16_t lh_lg_lf = (in & 0xFFF0000000000000) >> 52;
71 	const uint16_t tu_l2 = ptype[(in & 0x000FFFF000000000) >> 36];
72 	const uint16_t il4_tu = ptype[PTYPE_NON_TUNNEL_ARRAY_SZ + lh_lg_lf];
73 
74 	return (il4_tu << PTYPE_NON_TUNNEL_WIDTH) | tu_l2;
75 }
76 
77 static __rte_always_inline uint32_t
nix_rx_olflags_get(const void * const lookup_mem,const uint64_t in)78 nix_rx_olflags_get(const void *const lookup_mem, const uint64_t in)
79 {
80 	const uint32_t *const ol_flags =
81 		(const uint32_t *)((const uint8_t *)lookup_mem +
82 				   PTYPE_ARRAY_SZ);
83 
84 	return ol_flags[(in & 0xfff00000) >> 20];
85 }
86 
87 static inline uint64_t
nix_update_match_id(const uint16_t match_id,uint64_t ol_flags,struct rte_mbuf * mbuf)88 nix_update_match_id(const uint16_t match_id, uint64_t ol_flags,
89 		    struct rte_mbuf *mbuf)
90 {
91 	/* There is no separate bit to check match_id
92 	 * is valid or not? and no flag to identify it is an
93 	 * RTE_FLOW_ACTION_TYPE_FLAG vs RTE_FLOW_ACTION_TYPE_MARK
94 	 * action. The former case addressed through 0 being invalid
95 	 * value and inc/dec match_id pair when MARK is activated.
96 	 * The later case addressed through defining
97 	 * CNXK_FLOW_MARK_DEFAULT as value for
98 	 * RTE_FLOW_ACTION_TYPE_MARK.
99 	 * This would translate to not use
100 	 * CNXK_FLOW_ACTION_FLAG_DEFAULT - 1 and
101 	 * CNXK_FLOW_ACTION_FLAG_DEFAULT for match_id.
102 	 * i.e valid mark_id's are from
103 	 * 0 to CNXK_FLOW_ACTION_FLAG_DEFAULT - 2
104 	 */
105 	if (likely(match_id)) {
106 		ol_flags |= RTE_MBUF_F_RX_FDIR;
107 		if (match_id != CNXK_FLOW_ACTION_FLAG_DEFAULT) {
108 			ol_flags |= RTE_MBUF_F_RX_FDIR_ID;
109 			mbuf->hash.fdir.hi = match_id - 1;
110 		}
111 	}
112 
113 	return ol_flags;
114 }
115 
116 static __rte_always_inline void
nix_cqe_xtract_mseg(const union nix_rx_parse_u * rx,struct rte_mbuf * mbuf,uint64_t rearm,const uint16_t flags)117 nix_cqe_xtract_mseg(const union nix_rx_parse_u *rx, struct rte_mbuf *mbuf,
118 		    uint64_t rearm, const uint16_t flags)
119 {
120 	const rte_iova_t *iova_list;
121 	struct rte_mbuf *head;
122 	const rte_iova_t *eol;
123 	uint8_t nb_segs;
124 	uint64_t sg;
125 
126 	sg = *(const uint64_t *)(rx + 1);
127 	nb_segs = (sg >> 48) & 0x3;
128 
129 	if (nb_segs == 1) {
130 		mbuf->next = NULL;
131 		return;
132 	}
133 
134 	mbuf->pkt_len = (rx->pkt_lenm1 + 1) - (flags & NIX_RX_OFFLOAD_TSTAMP_F ?
135 					       CNXK_NIX_TIMESYNC_RX_OFFSET : 0);
136 	mbuf->data_len = (sg & 0xFFFF) - (flags & NIX_RX_OFFLOAD_TSTAMP_F ?
137 					  CNXK_NIX_TIMESYNC_RX_OFFSET : 0);
138 	mbuf->nb_segs = nb_segs;
139 	sg = sg >> 16;
140 
141 	eol = ((const rte_iova_t *)(rx + 1) +
142 	       ((rx->cn9k.desc_sizem1 + 1) << 1));
143 	/* Skip SG_S and first IOVA*/
144 	iova_list = ((const rte_iova_t *)(rx + 1)) + 2;
145 	nb_segs--;
146 
147 	rearm = rearm & ~0xFFFF;
148 
149 	head = mbuf;
150 	while (nb_segs) {
151 		mbuf->next = ((struct rte_mbuf *)*iova_list) - 1;
152 		mbuf = mbuf->next;
153 
154 		RTE_MEMPOOL_CHECK_COOKIES(mbuf->pool, (void **)&mbuf, 1, 1);
155 
156 		mbuf->data_len = sg & 0xFFFF;
157 		sg = sg >> 16;
158 		*(uint64_t *)(&mbuf->rearm_data) = rearm;
159 		nb_segs--;
160 		iova_list++;
161 
162 		if (!nb_segs && (iova_list + 1 < eol)) {
163 			sg = *(const uint64_t *)(iova_list);
164 			nb_segs = (sg >> 48) & 0x3;
165 			head->nb_segs += nb_segs;
166 			iova_list = (const rte_iova_t *)(iova_list + 1);
167 		}
168 	}
169 	mbuf->next = NULL;
170 }
171 
172 static inline int
ipsec_antireplay_check(struct roc_ie_on_inb_sa * sa,struct cn9k_inb_priv_data * priv,uintptr_t data,uint32_t win_sz)173 ipsec_antireplay_check(struct roc_ie_on_inb_sa *sa,
174 		       struct cn9k_inb_priv_data *priv, uintptr_t data,
175 		       uint32_t win_sz)
176 {
177 	struct cnxk_on_ipsec_ar *ar = &priv->ar;
178 	uint64_t seq_in_sa;
179 	uint32_t seqh = 0;
180 	uint32_t seql;
181 	uint64_t seq;
182 	uint8_t esn;
183 	int rc;
184 
185 	esn = sa->common_sa.ctl.esn_en;
186 	seql = rte_be_to_cpu_32(*((uint32_t *)(data + IPSEC_SQ_LO_IDX)));
187 
188 	if (!esn) {
189 		seq = (uint64_t)seql;
190 	} else {
191 		seqh = rte_be_to_cpu_32(*((uint32_t *)(data +
192 					IPSEC_SQ_HI_IDX)));
193 		seq = ((uint64_t)seqh << 32) | seql;
194 	}
195 
196 	if (unlikely(seq == 0))
197 		return -1;
198 
199 	rte_spinlock_lock(&ar->lock);
200 	rc = cnxk_on_anti_replay_check(seq, ar, win_sz);
201 	if (esn && !rc) {
202 		seq_in_sa = ((uint64_t)rte_be_to_cpu_32(sa->common_sa.seq_t.th)
203 			     << 32) |
204 			    rte_be_to_cpu_32(sa->common_sa.seq_t.tl);
205 		if (seq > seq_in_sa) {
206 			sa->common_sa.seq_t.tl = rte_cpu_to_be_32(seql);
207 			sa->common_sa.seq_t.th = rte_cpu_to_be_32(seqh);
208 		}
209 	}
210 	rte_spinlock_unlock(&ar->lock);
211 
212 	return rc;
213 }
214 
215 static inline uint64_t
nix_rx_sec_mbuf_err_update(const union nix_rx_parse_u * rx,uint16_t res,uint64_t * rearm_val,uint16_t * len)216 nix_rx_sec_mbuf_err_update(const union nix_rx_parse_u *rx, uint16_t res,
217 			   uint64_t *rearm_val, uint16_t *len)
218 {
219 	uint8_t uc_cc = res >> 8;
220 	uint8_t cc = res & 0xFF;
221 	uint64_t data_off;
222 	uint64_t ol_flags;
223 	uint16_t m_len;
224 
225 	if (unlikely(cc != CPT_COMP_GOOD))
226 		return RTE_MBUF_F_RX_SEC_OFFLOAD |
227 		       RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
228 
229 	data_off = *rearm_val & (BIT_ULL(16) - 1);
230 	m_len = rx->cn9k.pkt_lenm1 + 1;
231 
232 	switch (uc_cc) {
233 	case ROC_IE_ON_UCC_IP_PAYLOAD_TYPE_ERR:
234 	case ROC_IE_ON_UCC_AUTH_ERR:
235 	case ROC_IE_ON_UCC_PADDING_INVALID:
236 		/* Adjust data offset to start at copied L2 */
237 		data_off += ROC_ONF_IPSEC_INB_SPI_SEQ_SZ +
238 			    ROC_ONF_IPSEC_INB_MAX_L2_SZ;
239 		ol_flags = RTE_MBUF_F_RX_SEC_OFFLOAD |
240 			   RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
241 		break;
242 	case ROC_IE_ON_UCC_CTX_INVALID:
243 	case ROC_IE_ON_UCC_SPI_MISMATCH:
244 	case ROC_IE_ON_UCC_SA_MISMATCH:
245 		/* Return as normal packet */
246 		ol_flags = 0;
247 		break;
248 	default:
249 		/* Return as error packet after updating packet lengths */
250 		ol_flags = RTE_MBUF_F_RX_SEC_OFFLOAD |
251 			   RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
252 		break;
253 	}
254 
255 	*len = m_len;
256 	*rearm_val = *rearm_val & ~(BIT_ULL(16) - 1);
257 	*rearm_val |= data_off;
258 	return ol_flags;
259 }
260 
261 static __rte_always_inline uint64_t
nix_rx_sec_mbuf_update(const struct nix_cqe_hdr_s * cq,struct rte_mbuf * m,uintptr_t sa_base,uint64_t * rearm_val,uint16_t * len,uint32_t packet_type)262 nix_rx_sec_mbuf_update(const struct nix_cqe_hdr_s *cq, struct rte_mbuf *m, uintptr_t sa_base,
263 		       uint64_t *rearm_val, uint16_t *len, uint32_t packet_type)
264 {
265 	uintptr_t res_sg0 = ((uintptr_t)cq + ROC_ONF_IPSEC_INB_RES_OFF - 8);
266 	const union nix_rx_parse_u *rx =
267 		(const union nix_rx_parse_u *)((const uint64_t *)cq + 1);
268 	struct cn9k_inb_priv_data *sa_priv;
269 	struct roc_ie_on_inb_sa *sa;
270 	uint8_t lcptr = rx->lcptr;
271 	struct rte_ipv4_hdr *ip;
272 	struct rte_ipv6_hdr *ip6;
273 	uint16_t data_off, res;
274 	uint32_t spi, win_sz;
275 	uint32_t spi_mask;
276 	uintptr_t data;
277 	__uint128_t dw;
278 	uint8_t sa_w;
279 
280 	res = *(uint64_t *)(res_sg0 + 8);
281 	data_off = *rearm_val & (BIT_ULL(16) - 1);
282 	data = (uintptr_t)m->buf_addr;
283 
284 	data += data_off;
285 
286 	rte_prefetch0((void *)data);
287 
288 	if (unlikely(res != (CPT_COMP_GOOD | ROC_IE_ON_UCC_SUCCESS << 8)))
289 		return nix_rx_sec_mbuf_err_update(rx, res, rearm_val, len);
290 
291 	data += lcptr;
292 	/* 20 bits of tag would have the SPI */
293 	spi = cq->tag & CNXK_ETHDEV_SPI_TAG_MASK;
294 
295 	/* Get SA */
296 	sa_w = sa_base & (ROC_NIX_INL_SA_BASE_ALIGN - 1);
297 	sa_base &= ~(ROC_NIX_INL_SA_BASE_ALIGN - 1);
298 	spi_mask = (1ULL << sa_w) - 1;
299 	sa = roc_nix_inl_on_ipsec_inb_sa(sa_base, spi & spi_mask);
300 
301 	/* Update dynamic field with userdata */
302 	sa_priv = roc_nix_inl_on_ipsec_inb_sa_sw_rsvd(sa);
303 	dw = *(__uint128_t *)sa_priv;
304 	*rte_security_dynfield(m) = (uint64_t)dw;
305 
306 	/* Check if anti-replay is enabled */
307 	win_sz = (uint32_t)(dw >> 64);
308 	if (win_sz) {
309 		if (ipsec_antireplay_check(sa, sa_priv, data, win_sz) < 0)
310 			return RTE_MBUF_F_RX_SEC_OFFLOAD | RTE_MBUF_F_RX_SEC_OFFLOAD_FAILED;
311 	}
312 
313 	/* Get total length from IPv4 header. We can assume only IPv4 */
314 	ip = (struct rte_ipv4_hdr *)(data + ROC_ONF_IPSEC_INB_SPI_SEQ_SZ +
315 				     ROC_ONF_IPSEC_INB_MAX_L2_SZ);
316 
317 	packet_type = (packet_type & ~(RTE_PTYPE_L3_MASK | RTE_PTYPE_TUNNEL_MASK));
318 	if (((ip->version_ihl & 0xf0) >> RTE_IPV4_IHL_MULTIPLIER) ==
319 	    IPVERSION) {
320 		*len = rte_be_to_cpu_16(ip->total_length) + lcptr;
321 		packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
322 	} else {
323 		PLT_ASSERT(((ip->version_ihl & 0xf0) >>
324 			    RTE_IPV4_IHL_MULTIPLIER) == 6);
325 		ip6 = (struct rte_ipv6_hdr *)ip;
326 		*len = rte_be_to_cpu_16(ip6->payload_len) +
327 		       sizeof(struct rte_ipv6_hdr) + lcptr;
328 		packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
329 	}
330 
331 	/* Update data offset */
332 	data_off +=
333 		(ROC_ONF_IPSEC_INB_SPI_SEQ_SZ + ROC_ONF_IPSEC_INB_MAX_L2_SZ);
334 	*rearm_val = *rearm_val & ~(BIT_ULL(16) - 1);
335 	*rearm_val |= data_off;
336 
337 	m->packet_type = packet_type;
338 	return RTE_MBUF_F_RX_SEC_OFFLOAD;
339 }
340 
341 static __rte_always_inline void
cn9k_nix_cqe_to_mbuf(const struct nix_cqe_hdr_s * cq,const uint32_t tag,struct rte_mbuf * mbuf,const void * lookup_mem,uint64_t val,const uint16_t flag)342 cn9k_nix_cqe_to_mbuf(const struct nix_cqe_hdr_s *cq, const uint32_t tag,
343 		     struct rte_mbuf *mbuf, const void *lookup_mem,
344 		     uint64_t val, const uint16_t flag)
345 {
346 	const union nix_rx_parse_u *rx =
347 		(const union nix_rx_parse_u *)((const uint64_t *)cq + 1);
348 	uint16_t len = rx->cn9k.pkt_lenm1 + 1;
349 	const uint64_t w1 = *(const uint64_t *)rx;
350 	uint32_t packet_type;
351 	uint64_t ol_flags = 0;
352 
353 	/* Mark mempool obj as "get" as it is alloc'ed by NIX */
354 	RTE_MEMPOOL_CHECK_COOKIES(mbuf->pool, (void **)&mbuf, 1, 1);
355 
356 	if (flag & NIX_RX_OFFLOAD_PTYPE_F)
357 		packet_type = nix_ptype_get(lookup_mem, w1);
358 	else
359 		packet_type = 0;
360 
361 	if ((flag & NIX_RX_OFFLOAD_SECURITY_F) &&
362 	    cq->cqe_type == NIX_XQE_TYPE_RX_IPSECH) {
363 		uint16_t port = val >> 48;
364 		uintptr_t sa_base;
365 
366 		/* Get SA Base from lookup mem */
367 		sa_base = cnxk_nix_sa_base_get(port, lookup_mem);
368 
369 		ol_flags |= nix_rx_sec_mbuf_update(cq, mbuf, sa_base, &val, &len, packet_type);
370 		goto skip_parse;
371 	}
372 
373 	if (flag & NIX_RX_OFFLOAD_PTYPE_F)
374 		mbuf->packet_type = packet_type;
375 
376 	if (flag & NIX_RX_OFFLOAD_RSS_F) {
377 		mbuf->hash.rss = tag;
378 		ol_flags |= RTE_MBUF_F_RX_RSS_HASH;
379 	}
380 
381 	if (flag & NIX_RX_OFFLOAD_CHECKSUM_F)
382 		ol_flags |= nix_rx_olflags_get(lookup_mem, w1);
383 
384 skip_parse:
385 	if (flag & NIX_RX_OFFLOAD_VLAN_STRIP_F) {
386 		if (rx->cn9k.vtag0_gone) {
387 			ol_flags |= RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED;
388 			mbuf->vlan_tci = rx->cn9k.vtag0_tci;
389 		}
390 		if (rx->cn9k.vtag1_gone) {
391 			ol_flags |= RTE_MBUF_F_RX_QINQ | RTE_MBUF_F_RX_QINQ_STRIPPED;
392 			mbuf->vlan_tci_outer = rx->cn9k.vtag1_tci;
393 		}
394 	}
395 
396 	if (flag & NIX_RX_OFFLOAD_MARK_UPDATE_F)
397 		ol_flags =
398 			nix_update_match_id(rx->cn9k.match_id, ol_flags, mbuf);
399 
400 	mbuf->ol_flags = ol_flags;
401 	*(uint64_t *)(&mbuf->rearm_data) = val;
402 	mbuf->pkt_len = len;
403 	mbuf->data_len = len;
404 
405 	if (flag & NIX_RX_MULTI_SEG_F)
406 		/*
407 		 * For multi segment packets, mbuf length correction according
408 		 * to Rx timestamp length will be handled later during
409 		 * timestamp data process.
410 		 * Hence, flag argument is not required.
411 		 */
412 		nix_cqe_xtract_mseg(rx, mbuf, val, 0);
413 	else
414 		mbuf->next = NULL;
415 }
416 
417 static inline uint16_t
nix_rx_nb_pkts(struct cn9k_eth_rxq * rxq,const uint64_t wdata,const uint16_t pkts,const uint32_t qmask)418 nix_rx_nb_pkts(struct cn9k_eth_rxq *rxq, const uint64_t wdata,
419 	       const uint16_t pkts, const uint32_t qmask)
420 {
421 	uint32_t available = rxq->available;
422 
423 	/* Update the available count if cached value is not enough */
424 	if (unlikely(available < pkts)) {
425 		uint64_t reg, head, tail;
426 
427 		/* Use LDADDA version to avoid reorder */
428 		reg = roc_atomic64_add_sync(wdata, rxq->cq_status);
429 		/* CQ_OP_STATUS operation error */
430 		if (reg & BIT_ULL(NIX_CQ_OP_STAT_OP_ERR) ||
431 		    reg & BIT_ULL(NIX_CQ_OP_STAT_CQ_ERR))
432 			return 0;
433 
434 		tail = reg & 0xFFFFF;
435 		head = (reg >> 20) & 0xFFFFF;
436 		if (tail < head)
437 			available = tail - head + qmask + 1;
438 		else
439 			available = tail - head;
440 
441 		rxq->available = available;
442 	}
443 
444 	return RTE_MIN(pkts, available);
445 }
446 
447 static __rte_always_inline void
cn9k_nix_mbuf_to_tstamp(struct rte_mbuf * mbuf,struct cnxk_timesync_info * tstamp,const uint8_t ts_enable,uint64_t * tstamp_ptr)448 cn9k_nix_mbuf_to_tstamp(struct rte_mbuf *mbuf,
449 			struct cnxk_timesync_info *tstamp,
450 			const uint8_t ts_enable, uint64_t *tstamp_ptr)
451 {
452 	if (ts_enable) {
453 		mbuf->pkt_len -= CNXK_NIX_TIMESYNC_RX_OFFSET;
454 		mbuf->data_len -= CNXK_NIX_TIMESYNC_RX_OFFSET;
455 
456 		/* Reading the rx timestamp inserted by CGX, viz at
457 		 * starting of the packet data.
458 		 */
459 		*cnxk_nix_timestamp_dynfield(mbuf, tstamp) =
460 			rte_be_to_cpu_64(*tstamp_ptr);
461 		/* RTE_MBUF_F_RX_IEEE1588_TMST flag needs to be set only in case
462 		 * PTP packets are received.
463 		 */
464 		if (mbuf->packet_type == RTE_PTYPE_L2_ETHER_TIMESYNC) {
465 			tstamp->rx_tstamp =
466 				*cnxk_nix_timestamp_dynfield(mbuf, tstamp);
467 			tstamp->rx_ready = 1;
468 			mbuf->ol_flags |= RTE_MBUF_F_RX_IEEE1588_PTP |
469 					  RTE_MBUF_F_RX_IEEE1588_TMST |
470 					  tstamp->rx_tstamp_dynflag;
471 		}
472 	}
473 }
474 
475 static __rte_always_inline uint16_t
cn9k_nix_recv_pkts(void * rx_queue,struct rte_mbuf ** rx_pkts,uint16_t pkts,const uint16_t flags)476 cn9k_nix_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts,
477 		   const uint16_t flags)
478 {
479 	struct cn9k_eth_rxq *rxq = rx_queue;
480 	const uint64_t mbuf_init = rxq->mbuf_initializer;
481 	const void *lookup_mem = rxq->lookup_mem;
482 	const uint64_t data_off = rxq->data_off;
483 	const uintptr_t desc = rxq->desc;
484 	const uint64_t wdata = rxq->wdata;
485 	const uint32_t qmask = rxq->qmask;
486 	uint16_t packets = 0, nb_pkts;
487 	uint32_t head = rxq->head;
488 	struct nix_cqe_hdr_s *cq;
489 	struct rte_mbuf *mbuf;
490 
491 	nb_pkts = nix_rx_nb_pkts(rxq, wdata, pkts, qmask);
492 
493 	while (packets < nb_pkts) {
494 		/* Prefetch N desc ahead */
495 		rte_prefetch_non_temporal(
496 			(void *)(desc + (CQE_SZ((head + 2) & qmask))));
497 		cq = (struct nix_cqe_hdr_s *)(desc + CQE_SZ(head));
498 
499 		mbuf = nix_get_mbuf_from_cqe(cq, data_off);
500 
501 		cn9k_nix_cqe_to_mbuf(cq, cq->tag, mbuf, lookup_mem, mbuf_init,
502 				     flags);
503 		cn9k_nix_mbuf_to_tstamp(mbuf, rxq->tstamp,
504 					(flags & NIX_RX_OFFLOAD_TSTAMP_F),
505 					(uint64_t *)((uint8_t *)mbuf
506 								+ data_off));
507 		rx_pkts[packets++] = mbuf;
508 		roc_prefetch_store_keep(mbuf);
509 		head++;
510 		head &= qmask;
511 	}
512 
513 	rxq->head = head;
514 	rxq->available -= nb_pkts;
515 
516 	/* Free all the CQs that we've processed */
517 	plt_write64((wdata | nb_pkts), rxq->cq_door);
518 
519 	return nb_pkts;
520 }
521 
522 #if defined(RTE_ARCH_ARM64)
523 
524 static __rte_always_inline uint64_t
nix_vlan_update(const uint64_t w2,uint64_t ol_flags,uint8x16_t * f)525 nix_vlan_update(const uint64_t w2, uint64_t ol_flags, uint8x16_t *f)
526 {
527 	if (w2 & BIT_ULL(21) /* vtag0_gone */) {
528 		ol_flags |= RTE_MBUF_F_RX_VLAN | RTE_MBUF_F_RX_VLAN_STRIPPED;
529 		*f = vsetq_lane_u16((uint16_t)(w2 >> 32), *f, 5);
530 	}
531 
532 	return ol_flags;
533 }
534 
535 static __rte_always_inline uint64_t
nix_qinq_update(const uint64_t w2,uint64_t ol_flags,struct rte_mbuf * mbuf)536 nix_qinq_update(const uint64_t w2, uint64_t ol_flags, struct rte_mbuf *mbuf)
537 {
538 	if (w2 & BIT_ULL(23) /* vtag1_gone */) {
539 		ol_flags |= RTE_MBUF_F_RX_QINQ | RTE_MBUF_F_RX_QINQ_STRIPPED;
540 		mbuf->vlan_tci_outer = (uint16_t)(w2 >> 48);
541 	}
542 
543 	return ol_flags;
544 }
545 
546 static __rte_always_inline uint16_t
cn9k_nix_recv_pkts_vector(void * rx_queue,struct rte_mbuf ** rx_pkts,uint16_t pkts,const uint16_t flags)547 cn9k_nix_recv_pkts_vector(void *rx_queue, struct rte_mbuf **rx_pkts,
548 			  uint16_t pkts, const uint16_t flags)
549 {
550 	struct cn9k_eth_rxq *rxq = rx_queue;
551 	uint16_t packets = 0;
552 	uint64x2_t cq0_w8, cq1_w8, cq2_w8, cq3_w8, mbuf01, mbuf23;
553 	const uint64_t mbuf_initializer = rxq->mbuf_initializer;
554 	const uint64x2_t data_off = vdupq_n_u64(rxq->data_off);
555 	uint64_t ol_flags0, ol_flags1, ol_flags2, ol_flags3;
556 	uint64x2_t rearm0 = vdupq_n_u64(mbuf_initializer);
557 	uint64x2_t rearm1 = vdupq_n_u64(mbuf_initializer);
558 	uint64x2_t rearm2 = vdupq_n_u64(mbuf_initializer);
559 	uint64x2_t rearm3 = vdupq_n_u64(mbuf_initializer);
560 	struct rte_mbuf *mbuf0, *mbuf1, *mbuf2, *mbuf3;
561 	const uint16_t *lookup_mem = rxq->lookup_mem;
562 	const uint32_t qmask = rxq->qmask;
563 	const uint64_t wdata = rxq->wdata;
564 	const uintptr_t desc = rxq->desc;
565 	uint8x16_t f0, f1, f2, f3;
566 	uint32_t head = rxq->head;
567 	uint16_t pkts_left;
568 
569 	pkts = nix_rx_nb_pkts(rxq, wdata, pkts, qmask);
570 	pkts_left = pkts & (NIX_DESCS_PER_LOOP - 1);
571 
572 	/* Packets has to be floor-aligned to NIX_DESCS_PER_LOOP */
573 	pkts = RTE_ALIGN_FLOOR(pkts, NIX_DESCS_PER_LOOP);
574 
575 	while (packets < pkts) {
576 		/* Exit loop if head is about to wrap and become unaligned */
577 		if (((head + NIX_DESCS_PER_LOOP - 1) & qmask) <
578 		    NIX_DESCS_PER_LOOP) {
579 			pkts_left += (pkts - packets);
580 			break;
581 		}
582 
583 		const uintptr_t cq0 = desc + CQE_SZ(head);
584 
585 		/* Prefetch N desc ahead */
586 		rte_prefetch_non_temporal((void *)(cq0 + CQE_SZ(8)));
587 		rte_prefetch_non_temporal((void *)(cq0 + CQE_SZ(9)));
588 		rte_prefetch_non_temporal((void *)(cq0 + CQE_SZ(10)));
589 		rte_prefetch_non_temporal((void *)(cq0 + CQE_SZ(11)));
590 
591 		/* Get NIX_RX_SG_S for size and buffer pointer */
592 		cq0_w8 = vld1q_u64((uint64_t *)(cq0 + CQE_SZ(0) + 64));
593 		cq1_w8 = vld1q_u64((uint64_t *)(cq0 + CQE_SZ(1) + 64));
594 		cq2_w8 = vld1q_u64((uint64_t *)(cq0 + CQE_SZ(2) + 64));
595 		cq3_w8 = vld1q_u64((uint64_t *)(cq0 + CQE_SZ(3) + 64));
596 
597 		/* Extract mbuf from NIX_RX_SG_S */
598 		mbuf01 = vzip2q_u64(cq0_w8, cq1_w8);
599 		mbuf23 = vzip2q_u64(cq2_w8, cq3_w8);
600 		mbuf01 = vqsubq_u64(mbuf01, data_off);
601 		mbuf23 = vqsubq_u64(mbuf23, data_off);
602 
603 		/* Move mbufs to scalar registers for future use */
604 		mbuf0 = (struct rte_mbuf *)vgetq_lane_u64(mbuf01, 0);
605 		mbuf1 = (struct rte_mbuf *)vgetq_lane_u64(mbuf01, 1);
606 		mbuf2 = (struct rte_mbuf *)vgetq_lane_u64(mbuf23, 0);
607 		mbuf3 = (struct rte_mbuf *)vgetq_lane_u64(mbuf23, 1);
608 
609 		/* Mask to get packet len from NIX_RX_SG_S */
610 		const uint8x16_t shuf_msk = {
611 			0xFF, 0xFF, /* pkt_type set as unknown */
612 			0xFF, 0xFF, /* pkt_type set as unknown */
613 			0,    1,    /* octet 1~0, low 16 bits pkt_len */
614 			0xFF, 0xFF, /* skip high 16 bits pkt_len, zero out */
615 			0,    1,    /* octet 1~0, 16 bits data_len */
616 			0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
617 
618 		/* Form the rx_descriptor_fields1 with pkt_len and data_len */
619 		f0 = vqtbl1q_u8(cq0_w8, shuf_msk);
620 		f1 = vqtbl1q_u8(cq1_w8, shuf_msk);
621 		f2 = vqtbl1q_u8(cq2_w8, shuf_msk);
622 		f3 = vqtbl1q_u8(cq3_w8, shuf_msk);
623 
624 		/* Load CQE word0 and word 1 */
625 		uint64_t cq0_w0 = ((uint64_t *)(cq0 + CQE_SZ(0)))[0];
626 		uint64_t cq0_w1 = ((uint64_t *)(cq0 + CQE_SZ(0)))[1];
627 		uint64_t cq1_w0 = ((uint64_t *)(cq0 + CQE_SZ(1)))[0];
628 		uint64_t cq1_w1 = ((uint64_t *)(cq0 + CQE_SZ(1)))[1];
629 		uint64_t cq2_w0 = ((uint64_t *)(cq0 + CQE_SZ(2)))[0];
630 		uint64_t cq2_w1 = ((uint64_t *)(cq0 + CQE_SZ(2)))[1];
631 		uint64_t cq3_w0 = ((uint64_t *)(cq0 + CQE_SZ(3)))[0];
632 		uint64_t cq3_w1 = ((uint64_t *)(cq0 + CQE_SZ(3)))[1];
633 
634 		if (flags & NIX_RX_OFFLOAD_RSS_F) {
635 			/* Fill rss in the rx_descriptor_fields1 */
636 			f0 = vsetq_lane_u32(cq0_w0, f0, 3);
637 			f1 = vsetq_lane_u32(cq1_w0, f1, 3);
638 			f2 = vsetq_lane_u32(cq2_w0, f2, 3);
639 			f3 = vsetq_lane_u32(cq3_w0, f3, 3);
640 			ol_flags0 = RTE_MBUF_F_RX_RSS_HASH;
641 			ol_flags1 = RTE_MBUF_F_RX_RSS_HASH;
642 			ol_flags2 = RTE_MBUF_F_RX_RSS_HASH;
643 			ol_flags3 = RTE_MBUF_F_RX_RSS_HASH;
644 		} else {
645 			ol_flags0 = 0;
646 			ol_flags1 = 0;
647 			ol_flags2 = 0;
648 			ol_flags3 = 0;
649 		}
650 
651 		if (flags & NIX_RX_OFFLOAD_PTYPE_F) {
652 			/* Fill packet_type in the rx_descriptor_fields1 */
653 			f0 = vsetq_lane_u32(nix_ptype_get(lookup_mem, cq0_w1),
654 					    f0, 0);
655 			f1 = vsetq_lane_u32(nix_ptype_get(lookup_mem, cq1_w1),
656 					    f1, 0);
657 			f2 = vsetq_lane_u32(nix_ptype_get(lookup_mem, cq2_w1),
658 					    f2, 0);
659 			f3 = vsetq_lane_u32(nix_ptype_get(lookup_mem, cq3_w1),
660 					    f3, 0);
661 		}
662 
663 		if (flags & NIX_RX_OFFLOAD_CHECKSUM_F) {
664 			ol_flags0 |= nix_rx_olflags_get(lookup_mem, cq0_w1);
665 			ol_flags1 |= nix_rx_olflags_get(lookup_mem, cq1_w1);
666 			ol_flags2 |= nix_rx_olflags_get(lookup_mem, cq2_w1);
667 			ol_flags3 |= nix_rx_olflags_get(lookup_mem, cq3_w1);
668 		}
669 
670 		if (flags & NIX_RX_OFFLOAD_VLAN_STRIP_F) {
671 			uint64_t cq0_w2 = *(uint64_t *)(cq0 + CQE_SZ(0) + 16);
672 			uint64_t cq1_w2 = *(uint64_t *)(cq0 + CQE_SZ(1) + 16);
673 			uint64_t cq2_w2 = *(uint64_t *)(cq0 + CQE_SZ(2) + 16);
674 			uint64_t cq3_w2 = *(uint64_t *)(cq0 + CQE_SZ(3) + 16);
675 
676 			ol_flags0 = nix_vlan_update(cq0_w2, ol_flags0, &f0);
677 			ol_flags1 = nix_vlan_update(cq1_w2, ol_flags1, &f1);
678 			ol_flags2 = nix_vlan_update(cq2_w2, ol_flags2, &f2);
679 			ol_flags3 = nix_vlan_update(cq3_w2, ol_flags3, &f3);
680 
681 			ol_flags0 = nix_qinq_update(cq0_w2, ol_flags0, mbuf0);
682 			ol_flags1 = nix_qinq_update(cq1_w2, ol_flags1, mbuf1);
683 			ol_flags2 = nix_qinq_update(cq2_w2, ol_flags2, mbuf2);
684 			ol_flags3 = nix_qinq_update(cq3_w2, ol_flags3, mbuf3);
685 		}
686 
687 		if (flags & NIX_RX_OFFLOAD_MARK_UPDATE_F) {
688 			ol_flags0 = nix_update_match_id(
689 				*(uint16_t *)(cq0 + CQE_SZ(0) + 38), ol_flags0,
690 				mbuf0);
691 			ol_flags1 = nix_update_match_id(
692 				*(uint16_t *)(cq0 + CQE_SZ(1) + 38), ol_flags1,
693 				mbuf1);
694 			ol_flags2 = nix_update_match_id(
695 				*(uint16_t *)(cq0 + CQE_SZ(2) + 38), ol_flags2,
696 				mbuf2);
697 			ol_flags3 = nix_update_match_id(
698 				*(uint16_t *)(cq0 + CQE_SZ(3) + 38), ol_flags3,
699 				mbuf3);
700 		}
701 
702 		if (flags & NIX_RX_OFFLOAD_TSTAMP_F) {
703 			const uint16x8_t len_off = {
704 				0,			     /* ptype   0:15 */
705 				0,			     /* ptype  16:32 */
706 				CNXK_NIX_TIMESYNC_RX_OFFSET, /* pktlen  0:15*/
707 				0,			     /* pktlen 16:32 */
708 				CNXK_NIX_TIMESYNC_RX_OFFSET, /* datalen 0:15 */
709 				0,
710 				0,
711 				0};
712 			const uint32x4_t ptype = {RTE_PTYPE_L2_ETHER_TIMESYNC,
713 						  RTE_PTYPE_L2_ETHER_TIMESYNC,
714 						  RTE_PTYPE_L2_ETHER_TIMESYNC,
715 						  RTE_PTYPE_L2_ETHER_TIMESYNC};
716 			const uint64_t ts_olf = RTE_MBUF_F_RX_IEEE1588_PTP |
717 						RTE_MBUF_F_RX_IEEE1588_TMST |
718 						rxq->tstamp->rx_tstamp_dynflag;
719 			const uint32x4_t and_mask = {0x1, 0x2, 0x4, 0x8};
720 			uint64x2_t ts01, ts23, mask;
721 			uint64_t ts[4];
722 			uint8_t res;
723 
724 			/* Subtract timesync length from total pkt length. */
725 			f0 = vsubq_u16(f0, len_off);
726 			f1 = vsubq_u16(f1, len_off);
727 			f2 = vsubq_u16(f2, len_off);
728 			f3 = vsubq_u16(f3, len_off);
729 
730 			/* Get the address of actual timestamp. */
731 			ts01 = vaddq_u64(mbuf01, data_off);
732 			ts23 = vaddq_u64(mbuf23, data_off);
733 			/* Load timestamp from address. */
734 			ts01 = vsetq_lane_u64(*(uint64_t *)vgetq_lane_u64(ts01,
735 									  0),
736 					      ts01, 0);
737 			ts01 = vsetq_lane_u64(*(uint64_t *)vgetq_lane_u64(ts01,
738 									  1),
739 					      ts01, 1);
740 			ts23 = vsetq_lane_u64(*(uint64_t *)vgetq_lane_u64(ts23,
741 									  0),
742 					      ts23, 0);
743 			ts23 = vsetq_lane_u64(*(uint64_t *)vgetq_lane_u64(ts23,
744 									  1),
745 					      ts23, 1);
746 			/* Convert from be to cpu byteorder. */
747 			ts01 = vrev64q_u8(ts01);
748 			ts23 = vrev64q_u8(ts23);
749 			/* Store timestamp into scalar for later use. */
750 			ts[0] = vgetq_lane_u64(ts01, 0);
751 			ts[1] = vgetq_lane_u64(ts01, 1);
752 			ts[2] = vgetq_lane_u64(ts23, 0);
753 			ts[3] = vgetq_lane_u64(ts23, 1);
754 
755 			/* Store timestamp into dynfield. */
756 			*cnxk_nix_timestamp_dynfield(mbuf0, rxq->tstamp) =
757 				ts[0];
758 			*cnxk_nix_timestamp_dynfield(mbuf1, rxq->tstamp) =
759 				ts[1];
760 			*cnxk_nix_timestamp_dynfield(mbuf2, rxq->tstamp) =
761 				ts[2];
762 			*cnxk_nix_timestamp_dynfield(mbuf3, rxq->tstamp) =
763 				ts[3];
764 
765 			/* Generate ptype mask to filter L2 ether timesync */
766 			mask = vdupq_n_u32(vgetq_lane_u32(f0, 0));
767 			mask = vsetq_lane_u32(vgetq_lane_u32(f1, 0), mask, 1);
768 			mask = vsetq_lane_u32(vgetq_lane_u32(f2, 0), mask, 2);
769 			mask = vsetq_lane_u32(vgetq_lane_u32(f3, 0), mask, 3);
770 
771 			/* Match against L2 ether timesync. */
772 			mask = vceqq_u32(mask, ptype);
773 			/* Convert from vector from scalar mask */
774 			res = vaddvq_u32(vandq_u32(mask, and_mask));
775 			res &= 0xF;
776 
777 			if (res) {
778 				/* Fill in the ol_flags for any packets that
779 				 * matched.
780 				 */
781 				ol_flags0 |= ((res & 0x1) ? ts_olf : 0);
782 				ol_flags1 |= ((res & 0x2) ? ts_olf : 0);
783 				ol_flags2 |= ((res & 0x4) ? ts_olf : 0);
784 				ol_flags3 |= ((res & 0x8) ? ts_olf : 0);
785 
786 				/* Update Rxq timestamp with the latest
787 				 * timestamp.
788 				 */
789 				rxq->tstamp->rx_ready = 1;
790 				rxq->tstamp->rx_tstamp =
791 					ts[31 - rte_clz32(res)];
792 			}
793 		}
794 
795 		/* Form rearm_data with ol_flags */
796 		rearm0 = vsetq_lane_u64(ol_flags0, rearm0, 1);
797 		rearm1 = vsetq_lane_u64(ol_flags1, rearm1, 1);
798 		rearm2 = vsetq_lane_u64(ol_flags2, rearm2, 1);
799 		rearm3 = vsetq_lane_u64(ol_flags3, rearm3, 1);
800 
801 		/* Update rx_descriptor_fields1 */
802 		vst1q_u64((uint64_t *)mbuf0->rx_descriptor_fields1, f0);
803 		vst1q_u64((uint64_t *)mbuf1->rx_descriptor_fields1, f1);
804 		vst1q_u64((uint64_t *)mbuf2->rx_descriptor_fields1, f2);
805 		vst1q_u64((uint64_t *)mbuf3->rx_descriptor_fields1, f3);
806 
807 		/* Update rearm_data */
808 		vst1q_u64((uint64_t *)mbuf0->rearm_data, rearm0);
809 		vst1q_u64((uint64_t *)mbuf1->rearm_data, rearm1);
810 		vst1q_u64((uint64_t *)mbuf2->rearm_data, rearm2);
811 		vst1q_u64((uint64_t *)mbuf3->rearm_data, rearm3);
812 
813 		if (flags & NIX_RX_MULTI_SEG_F) {
814 			/* Multi segment is enable build mseg list for
815 			 * individual mbufs in scalar mode.
816 			 */
817 			nix_cqe_xtract_mseg((union nix_rx_parse_u *)
818 						(cq0 + CQE_SZ(0) + 8), mbuf0,
819 					    mbuf_initializer, flags);
820 			nix_cqe_xtract_mseg((union nix_rx_parse_u *)
821 						(cq0 + CQE_SZ(1) + 8), mbuf1,
822 					    mbuf_initializer, flags);
823 			nix_cqe_xtract_mseg((union nix_rx_parse_u *)
824 						(cq0 + CQE_SZ(2) + 8), mbuf2,
825 					    mbuf_initializer, flags);
826 			nix_cqe_xtract_mseg((union nix_rx_parse_u *)
827 						(cq0 + CQE_SZ(3) + 8), mbuf3,
828 					    mbuf_initializer, flags);
829 		} else {
830 			/* Update that no more segments */
831 			mbuf0->next = NULL;
832 			mbuf1->next = NULL;
833 			mbuf2->next = NULL;
834 			mbuf3->next = NULL;
835 		}
836 
837 		/* Store the mbufs to rx_pkts */
838 		vst1q_u64((uint64_t *)&rx_pkts[packets], mbuf01);
839 		vst1q_u64((uint64_t *)&rx_pkts[packets + 2], mbuf23);
840 
841 		/* Prefetch mbufs */
842 		roc_prefetch_store_keep(mbuf0);
843 		roc_prefetch_store_keep(mbuf1);
844 		roc_prefetch_store_keep(mbuf2);
845 		roc_prefetch_store_keep(mbuf3);
846 
847 		/* Mark mempool obj as "get" as it is alloc'ed by NIX */
848 		RTE_MEMPOOL_CHECK_COOKIES(mbuf0->pool, (void **)&mbuf0, 1, 1);
849 		RTE_MEMPOOL_CHECK_COOKIES(mbuf1->pool, (void **)&mbuf1, 1, 1);
850 		RTE_MEMPOOL_CHECK_COOKIES(mbuf2->pool, (void **)&mbuf2, 1, 1);
851 		RTE_MEMPOOL_CHECK_COOKIES(mbuf3->pool, (void **)&mbuf3, 1, 1);
852 
853 		/* Advance head pointer and packets */
854 		head += NIX_DESCS_PER_LOOP;
855 		head &= qmask;
856 		packets += NIX_DESCS_PER_LOOP;
857 	}
858 
859 	rxq->head = head;
860 	rxq->available -= packets;
861 
862 	rte_io_wmb();
863 	/* Free all the CQs that we've processed */
864 	plt_write64((rxq->wdata | packets), rxq->cq_door);
865 
866 	if (unlikely(pkts_left))
867 		packets += cn9k_nix_recv_pkts(rx_queue, &rx_pkts[packets],
868 					      pkts_left, flags);
869 
870 	return packets;
871 }
872 
873 #else
874 
875 static inline uint16_t
cn9k_nix_recv_pkts_vector(void * rx_queue,struct rte_mbuf ** rx_pkts,uint16_t pkts,const uint16_t flags)876 cn9k_nix_recv_pkts_vector(void *rx_queue, struct rte_mbuf **rx_pkts,
877 			  uint16_t pkts, const uint16_t flags)
878 {
879 	RTE_SET_USED(rx_queue);
880 	RTE_SET_USED(rx_pkts);
881 	RTE_SET_USED(pkts);
882 	RTE_SET_USED(flags);
883 
884 	return 0;
885 }
886 
887 #endif
888 
889 #define RSS_F	  NIX_RX_OFFLOAD_RSS_F
890 #define PTYPE_F	  NIX_RX_OFFLOAD_PTYPE_F
891 #define CKSUM_F	  NIX_RX_OFFLOAD_CHECKSUM_F
892 #define MARK_F	  NIX_RX_OFFLOAD_MARK_UPDATE_F
893 #define TS_F	  NIX_RX_OFFLOAD_TSTAMP_F
894 #define RX_VLAN_F NIX_RX_OFFLOAD_VLAN_STRIP_F
895 #define R_SEC_F   NIX_RX_OFFLOAD_SECURITY_F
896 
897 /* [R_SEC_F] [RX_VLAN_F] [TS] [MARK] [CKSUM] [PTYPE] [RSS] */
898 #define NIX_RX_FASTPATH_MODES_0_15                                             \
899 	R(no_offload, NIX_RX_OFFLOAD_NONE)                                     \
900 	R(rss, RSS_F)                                                          \
901 	R(ptype, PTYPE_F)                                                      \
902 	R(ptype_rss, PTYPE_F | RSS_F)                                          \
903 	R(cksum, CKSUM_F)                                                      \
904 	R(cksum_rss, CKSUM_F | RSS_F)                                          \
905 	R(cksum_ptype, CKSUM_F | PTYPE_F)                                      \
906 	R(cksum_ptype_rss, CKSUM_F | PTYPE_F | RSS_F)                          \
907 	R(mark, MARK_F)                                                        \
908 	R(mark_rss, MARK_F | RSS_F)                                            \
909 	R(mark_ptype, MARK_F | PTYPE_F)                                        \
910 	R(mark_ptype_rss, MARK_F | PTYPE_F | RSS_F)                            \
911 	R(mark_cksum, MARK_F | CKSUM_F)                                        \
912 	R(mark_cksum_rss, MARK_F | CKSUM_F | RSS_F)                            \
913 	R(mark_cksum_ptype, MARK_F | CKSUM_F | PTYPE_F)                        \
914 	R(mark_cksum_ptype_rss, MARK_F | CKSUM_F | PTYPE_F | RSS_F)
915 
916 #define NIX_RX_FASTPATH_MODES_16_31                                            \
917 	R(ts, TS_F)                                                            \
918 	R(ts_rss, TS_F | RSS_F)                                                \
919 	R(ts_ptype, TS_F | PTYPE_F)                                            \
920 	R(ts_ptype_rss, TS_F | PTYPE_F | RSS_F)                                \
921 	R(ts_cksum, TS_F | CKSUM_F)                                            \
922 	R(ts_cksum_rss, TS_F | CKSUM_F | RSS_F)                                \
923 	R(ts_cksum_ptype, TS_F | CKSUM_F | PTYPE_F)                            \
924 	R(ts_cksum_ptype_rss, TS_F | CKSUM_F | PTYPE_F | RSS_F)                \
925 	R(ts_mark, TS_F | MARK_F)                                              \
926 	R(ts_mark_rss, TS_F | MARK_F | RSS_F)                                  \
927 	R(ts_mark_ptype, TS_F | MARK_F | PTYPE_F)                              \
928 	R(ts_mark_ptype_rss, TS_F | MARK_F | PTYPE_F | RSS_F)                  \
929 	R(ts_mark_cksum, TS_F | MARK_F | CKSUM_F)                              \
930 	R(ts_mark_cksum_rss, TS_F | MARK_F | CKSUM_F | RSS_F)                  \
931 	R(ts_mark_cksum_ptype, TS_F | MARK_F | CKSUM_F | PTYPE_F)              \
932 	R(ts_mark_cksum_ptype_rss, TS_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F)
933 
934 #define NIX_RX_FASTPATH_MODES_32_47                                            \
935 	R(vlan, RX_VLAN_F)                                                     \
936 	R(vlan_rss, RX_VLAN_F | RSS_F)                                         \
937 	R(vlan_ptype, RX_VLAN_F | PTYPE_F)                                     \
938 	R(vlan_ptype_rss, RX_VLAN_F | PTYPE_F | RSS_F)                         \
939 	R(vlan_cksum, RX_VLAN_F | CKSUM_F)                                     \
940 	R(vlan_cksum_rss, RX_VLAN_F | CKSUM_F | RSS_F)                         \
941 	R(vlan_cksum_ptype, RX_VLAN_F | CKSUM_F | PTYPE_F)                     \
942 	R(vlan_cksum_ptype_rss, RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F)         \
943 	R(vlan_mark, RX_VLAN_F | MARK_F)                                       \
944 	R(vlan_mark_rss, RX_VLAN_F | MARK_F | RSS_F)                           \
945 	R(vlan_mark_ptype, RX_VLAN_F | MARK_F | PTYPE_F)                       \
946 	R(vlan_mark_ptype_rss, RX_VLAN_F | MARK_F | PTYPE_F | RSS_F)           \
947 	R(vlan_mark_cksum, RX_VLAN_F | MARK_F | CKSUM_F)                       \
948 	R(vlan_mark_cksum_rss, RX_VLAN_F | MARK_F | CKSUM_F | RSS_F)           \
949 	R(vlan_mark_cksum_ptype, RX_VLAN_F | MARK_F | CKSUM_F | PTYPE_F)       \
950 	R(vlan_mark_cksum_ptype_rss,                                           \
951 	  RX_VLAN_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F)
952 
953 #define NIX_RX_FASTPATH_MODES_48_63                                            \
954 	R(vlan_ts, RX_VLAN_F | TS_F)                                           \
955 	R(vlan_ts_rss, RX_VLAN_F | TS_F | RSS_F)                               \
956 	R(vlan_ts_ptype, RX_VLAN_F | TS_F | PTYPE_F)                           \
957 	R(vlan_ts_ptype_rss, RX_VLAN_F | TS_F | PTYPE_F | RSS_F)               \
958 	R(vlan_ts_cksum, RX_VLAN_F | TS_F | CKSUM_F)                           \
959 	R(vlan_ts_cksum_rss, RX_VLAN_F | TS_F | CKSUM_F | RSS_F)               \
960 	R(vlan_ts_cksum_ptype, RX_VLAN_F | TS_F | CKSUM_F | PTYPE_F)           \
961 	R(vlan_ts_cksum_ptype_rss,                                             \
962 	  RX_VLAN_F | TS_F | CKSUM_F | PTYPE_F | RSS_F)                        \
963 	R(vlan_ts_mark, RX_VLAN_F | TS_F | MARK_F)                             \
964 	R(vlan_ts_mark_rss, RX_VLAN_F | TS_F | MARK_F | RSS_F)                 \
965 	R(vlan_ts_mark_ptype, RX_VLAN_F | TS_F | MARK_F | PTYPE_F)             \
966 	R(vlan_ts_mark_ptype_rss, RX_VLAN_F | TS_F | MARK_F | PTYPE_F | RSS_F) \
967 	R(vlan_ts_mark_cksum, RX_VLAN_F | TS_F | MARK_F | CKSUM_F)             \
968 	R(vlan_ts_mark_cksum_rss, RX_VLAN_F | TS_F | MARK_F | CKSUM_F | RSS_F) \
969 	R(vlan_ts_mark_cksum_ptype,                                            \
970 	  RX_VLAN_F | TS_F | MARK_F | CKSUM_F | PTYPE_F)                       \
971 	R(vlan_ts_mark_cksum_ptype_rss,                                        \
972 	  RX_VLAN_F | TS_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F)
973 
974 #define NIX_RX_FASTPATH_MODES_64_79                                            \
975 	R(sec, R_SEC_F)                                                        \
976 	R(sec_rss, R_SEC_F | RSS_F)                                            \
977 	R(sec_ptype, R_SEC_F | PTYPE_F)                                        \
978 	R(sec_ptype_rss, R_SEC_F | PTYPE_F | RSS_F)                            \
979 	R(sec_cksum, R_SEC_F | CKSUM_F)                                        \
980 	R(sec_cksum_rss, R_SEC_F | CKSUM_F | RSS_F)                            \
981 	R(sec_cksum_ptype, R_SEC_F | CKSUM_F | PTYPE_F)                        \
982 	R(sec_cksum_ptype_rss, R_SEC_F | CKSUM_F | PTYPE_F | RSS_F)            \
983 	R(sec_mark, R_SEC_F | MARK_F)                                          \
984 	R(sec_mark_rss, R_SEC_F | MARK_F | RSS_F)                              \
985 	R(sec_mark_ptype, R_SEC_F | MARK_F | PTYPE_F)                          \
986 	R(sec_mark_ptype_rss, R_SEC_F | MARK_F | PTYPE_F | RSS_F)              \
987 	R(sec_mark_cksum, R_SEC_F | MARK_F | CKSUM_F)                          \
988 	R(sec_mark_cksum_rss, R_SEC_F | MARK_F | CKSUM_F | RSS_F)              \
989 	R(sec_mark_cksum_ptype, R_SEC_F | MARK_F | CKSUM_F | PTYPE_F)          \
990 	R(sec_mark_cksum_ptype_rss,                                            \
991 	  R_SEC_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F)
992 
993 #define NIX_RX_FASTPATH_MODES_80_95                                            \
994 	R(sec_ts, R_SEC_F | TS_F)                                              \
995 	R(sec_ts_rss, R_SEC_F | TS_F | RSS_F)                                  \
996 	R(sec_ts_ptype, R_SEC_F | TS_F | PTYPE_F)                              \
997 	R(sec_ts_ptype_rss, R_SEC_F | TS_F | PTYPE_F | RSS_F)                  \
998 	R(sec_ts_cksum, R_SEC_F | TS_F | CKSUM_F)                              \
999 	R(sec_ts_cksum_rss, R_SEC_F | TS_F | CKSUM_F | RSS_F)                  \
1000 	R(sec_ts_cksum_ptype, R_SEC_F | TS_F | CKSUM_F | PTYPE_F)              \
1001 	R(sec_ts_cksum_ptype_rss, R_SEC_F | TS_F | CKSUM_F | PTYPE_F | RSS_F)  \
1002 	R(sec_ts_mark, R_SEC_F | TS_F | MARK_F)                                \
1003 	R(sec_ts_mark_rss, R_SEC_F | TS_F | MARK_F | RSS_F)                    \
1004 	R(sec_ts_mark_ptype, R_SEC_F | TS_F | MARK_F | PTYPE_F)                \
1005 	R(sec_ts_mark_ptype_rss, R_SEC_F | TS_F | MARK_F | PTYPE_F | RSS_F)    \
1006 	R(sec_ts_mark_cksum, R_SEC_F | TS_F | MARK_F | CKSUM_F)                \
1007 	R(sec_ts_mark_cksum_rss, R_SEC_F | TS_F | MARK_F | CKSUM_F | RSS_F)    \
1008 	R(sec_ts_mark_cksum_ptype,                                             \
1009 	  R_SEC_F | TS_F | MARK_F | CKSUM_F | PTYPE_F)                         \
1010 	R(sec_ts_mark_cksum_ptype_rss,                                         \
1011 	  R_SEC_F | TS_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F)
1012 
1013 #define NIX_RX_FASTPATH_MODES_96_111                                           \
1014 	R(sec_vlan, R_SEC_F | RX_VLAN_F)                                       \
1015 	R(sec_vlan_rss, R_SEC_F | RX_VLAN_F | RSS_F)                           \
1016 	R(sec_vlan_ptype, R_SEC_F | RX_VLAN_F | PTYPE_F)                       \
1017 	R(sec_vlan_ptype_rss, R_SEC_F | RX_VLAN_F | PTYPE_F | RSS_F)           \
1018 	R(sec_vlan_cksum, R_SEC_F | RX_VLAN_F | CKSUM_F)                       \
1019 	R(sec_vlan_cksum_rss, R_SEC_F | RX_VLAN_F | CKSUM_F | RSS_F)           \
1020 	R(sec_vlan_cksum_ptype, R_SEC_F | RX_VLAN_F | CKSUM_F | PTYPE_F)       \
1021 	R(sec_vlan_cksum_ptype_rss,                                            \
1022 	  R_SEC_F | RX_VLAN_F | CKSUM_F | PTYPE_F | RSS_F)                     \
1023 	R(sec_vlan_mark, R_SEC_F | RX_VLAN_F | MARK_F)                         \
1024 	R(sec_vlan_mark_rss, R_SEC_F | RX_VLAN_F | MARK_F | RSS_F)             \
1025 	R(sec_vlan_mark_ptype, R_SEC_F | RX_VLAN_F | MARK_F | PTYPE_F)         \
1026 	R(sec_vlan_mark_ptype_rss,                                             \
1027 	  R_SEC_F | RX_VLAN_F | MARK_F | PTYPE_F | RSS_F)                      \
1028 	R(sec_vlan_mark_cksum, R_SEC_F | RX_VLAN_F | MARK_F | CKSUM_F)         \
1029 	R(sec_vlan_mark_cksum_rss,                                             \
1030 	  R_SEC_F | RX_VLAN_F | MARK_F | CKSUM_F | RSS_F)                      \
1031 	R(sec_vlan_mark_cksum_ptype,                                           \
1032 	  R_SEC_F | RX_VLAN_F | MARK_F | CKSUM_F | PTYPE_F)                    \
1033 	R(sec_vlan_mark_cksum_ptype_rss,                                       \
1034 	  R_SEC_F | RX_VLAN_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F)
1035 
1036 #define NIX_RX_FASTPATH_MODES_112_127                                          \
1037 	R(sec_vlan_ts, R_SEC_F | RX_VLAN_F | TS_F)                             \
1038 	R(sec_vlan_ts_rss, R_SEC_F | RX_VLAN_F | TS_F | RSS_F)                 \
1039 	R(sec_vlan_ts_ptype, R_SEC_F | RX_VLAN_F | TS_F | PTYPE_F)             \
1040 	R(sec_vlan_ts_ptype_rss, R_SEC_F | RX_VLAN_F | TS_F | PTYPE_F | RSS_F) \
1041 	R(sec_vlan_ts_cksum, R_SEC_F | RX_VLAN_F | TS_F | CKSUM_F)             \
1042 	R(sec_vlan_ts_cksum_rss, R_SEC_F | RX_VLAN_F | TS_F | CKSUM_F | RSS_F) \
1043 	R(sec_vlan_ts_cksum_ptype,                                             \
1044 	  R_SEC_F | RX_VLAN_F | TS_F | CKSUM_F | PTYPE_F)                      \
1045 	R(sec_vlan_ts_cksum_ptype_rss,                                         \
1046 	  R_SEC_F | RX_VLAN_F | TS_F | CKSUM_F | PTYPE_F | RSS_F)              \
1047 	R(sec_vlan_ts_mark, R_SEC_F | RX_VLAN_F | TS_F | MARK_F)               \
1048 	R(sec_vlan_ts_mark_rss, R_SEC_F | RX_VLAN_F | TS_F | MARK_F | RSS_F)   \
1049 	R(sec_vlan_ts_mark_ptype,                                              \
1050 	  R_SEC_F | RX_VLAN_F | TS_F | MARK_F | PTYPE_F)                       \
1051 	R(sec_vlan_ts_mark_ptype_rss,                                          \
1052 	  R_SEC_F | RX_VLAN_F | TS_F | MARK_F | PTYPE_F | RSS_F)               \
1053 	R(sec_vlan_ts_mark_cksum,                                              \
1054 	  R_SEC_F | RX_VLAN_F | TS_F | MARK_F | CKSUM_F)                       \
1055 	R(sec_vlan_ts_mark_cksum_rss,                                          \
1056 	  R_SEC_F | RX_VLAN_F | TS_F | MARK_F | CKSUM_F | RSS_F)               \
1057 	R(sec_vlan_ts_mark_cksum_ptype,                                        \
1058 	  R_SEC_F | RX_VLAN_F | TS_F | MARK_F | CKSUM_F | PTYPE_F)             \
1059 	R(sec_vlan_ts_mark_cksum_ptype_rss,                                    \
1060 	  R_SEC_F | RX_VLAN_F | TS_F | MARK_F | CKSUM_F | PTYPE_F | RSS_F)
1061 
1062 #define NIX_RX_FASTPATH_MODES                                                  \
1063 	NIX_RX_FASTPATH_MODES_0_15                                             \
1064 	NIX_RX_FASTPATH_MODES_16_31                                            \
1065 	NIX_RX_FASTPATH_MODES_32_47                                            \
1066 	NIX_RX_FASTPATH_MODES_48_63                                            \
1067 	NIX_RX_FASTPATH_MODES_64_79                                            \
1068 	NIX_RX_FASTPATH_MODES_80_95                                            \
1069 	NIX_RX_FASTPATH_MODES_96_111                                           \
1070 	NIX_RX_FASTPATH_MODES_112_127
1071 
1072 #define R(name, flags)                                                         \
1073 	uint16_t __rte_noinline __rte_hot cn9k_nix_recv_pkts_##name(           \
1074 		void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts);     \
1075 	uint16_t __rte_noinline __rte_hot cn9k_nix_recv_pkts_mseg_##name(      \
1076 		void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts);     \
1077 	uint16_t __rte_noinline __rte_hot cn9k_nix_recv_pkts_vec_##name(       \
1078 		void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts);     \
1079 	uint16_t __rte_noinline __rte_hot cn9k_nix_recv_pkts_vec_mseg_##name(  \
1080 		void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts);
1081 
1082 NIX_RX_FASTPATH_MODES
1083 #undef R
1084 
1085 #define NIX_RX_RECV(fn, flags)                                                 \
1086 	uint16_t __rte_noinline __rte_hot fn(                                  \
1087 		void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts)      \
1088 	{                                                                      \
1089 		return cn9k_nix_recv_pkts(rx_queue, rx_pkts, pkts, (flags));   \
1090 	}
1091 
1092 #define NIX_RX_RECV_MSEG(fn, flags) NIX_RX_RECV(fn, flags | NIX_RX_MULTI_SEG_F)
1093 
1094 #define NIX_RX_RECV_VEC(fn, flags)                                             \
1095 	uint16_t __rte_noinline __rte_hot fn(                                  \
1096 		void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts)      \
1097 	{                                                                      \
1098 		return cn9k_nix_recv_pkts_vector(rx_queue, rx_pkts, pkts,      \
1099 						 (flags));                     \
1100 	}
1101 
1102 #define NIX_RX_RECV_VEC_MSEG(fn, flags)                                        \
1103 	NIX_RX_RECV_VEC(fn, flags | NIX_RX_MULTI_SEG_F)
1104 
1105 uint16_t __rte_noinline __rte_hot cn9k_nix_recv_pkts_all_offload(void *rx_queue,
1106 								 struct rte_mbuf **rx_pkts,
1107 								 uint16_t pkts);
1108 
1109 uint16_t __rte_noinline __rte_hot cn9k_nix_recv_pkts_vec_all_offload(void *rx_queue,
1110 								     struct rte_mbuf **rx_pkts,
1111 								     uint16_t pkts);
1112 
1113 uint16_t __rte_noinline __rte_hot cn9k_nix_recv_pkts_all_offload_tst(void *rx_queue,
1114 								     struct rte_mbuf **rx_pkts,
1115 								     uint16_t pkts);
1116 
1117 uint16_t __rte_noinline __rte_hot cn9k_nix_recv_pkts_vec_all_offload_tst(void *rx_queue,
1118 									 struct rte_mbuf **rx_pkts,
1119 									 uint16_t pkts);
1120 
1121 #endif /* __CN9K_RX_H__ */
1122