1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2017 6WIND S.A.
3 * Copyright 2017 Mellanox Technologies, Ltd
6 #ifndef RTE_PMD_MLX5_RXTX_VEC_ALTIVEC_H_
7 #define RTE_PMD_MLX5_RXTX_VEC_ALTIVEC_H_
17 #include <rte_mempool.h>
18 #include <rte_prefetch.h>
21 #include "mlx5_utils.h"
22 #include "mlx5_rxtx.h"
23 #include "mlx5_rxtx_vec.h"
24 #include "mlx5_autoconf.h"
25 #include "mlx5_defs.h"
28 #ifndef __INTEL_COMPILER
29 #pragma GCC diagnostic ignored "-Wcast-qual"
30 #pragma GCC diagnostic ignored "-Wstrict-aliasing"
34 * Store free buffers to RX SW ring.
37 * Pointer to RX queue structure.
39 * Pointer to array of packets to be stored.
41 * Number of packets to be stored.
44 rxq_copy_mbuf_v(struct mlx5_rxq_data *rxq, struct rte_mbuf **pkts, uint16_t n)
46 const uint16_t q_mask = (1 << rxq->elts_n) - 1;
47 struct rte_mbuf **elts = &(*rxq->elts)[rxq->rq_pi & q_mask];
51 for (pos = 0; pos < p; pos += 2) {
52 vector unsigned char mbp;
54 mbp = (vector unsigned char)vec_vsx_ld(0,
55 (signed int const *)&elts[pos]);
56 *(vector unsigned char *)&pkts[pos] = mbp;
59 pkts[pos] = elts[pos];
63 * Decompress a compressed completion and fill in mbufs in RX SW ring with data
64 * extracted from the title completion descriptor.
67 * Pointer to RX queue structure.
69 * Pointer to completion array having a compressed completion at first.
71 * Pointer to SW ring to be filled. The first mbuf has to be pre-built from
72 * the title completion descriptor to be copied to the rest of mbufs.
75 * Number of mini-CQEs successfully decompressed.
77 static inline uint16_t
78 rxq_cq_decompress_v(struct mlx5_rxq_data *rxq, volatile struct mlx5_cqe *cq,
79 struct rte_mbuf **elts)
81 volatile struct mlx5_mini_cqe8 *mcq = (void *)&(cq + 1)->pkt_info;
82 struct rte_mbuf *t_pkt = elts[0]; /* Title packet is pre-built. */
83 const vector unsigned char zero = (vector unsigned char){0};
84 /* Mask to shuffle from extracted mini CQE to mbuf. */
85 const vector unsigned char shuf_mask1 = (vector unsigned char){
86 -1, -1, -1, -1, /* skip packet_type */
87 7, 6, -1, -1, /* bswap16, pkt_len */
88 7, 6, /* bswap16, data_len */
89 -1, -1, /* skip vlan_tci */
90 3, 2, 1, 0}; /* bswap32, rss */
91 const vector unsigned char shuf_mask2 = (vector unsigned char){
92 -1, -1, -1, -1, /* skip packet_type */
93 15, 14, -1, -1, /* bswap16, pkt_len */
94 15, 14, /* data_len, bswap16 */
95 -1, -1, /* skip vlan_tci */
96 11, 10, 9, 8}; /* bswap32, rss */
97 /* Restore the compressed count. Must be 16 bits. */
98 const uint16_t mcqe_n = t_pkt->data_len +
99 (rxq->crc_present * RTE_ETHER_CRC_LEN);
100 const vector unsigned char rearm =
101 (vector unsigned char)vec_vsx_ld(0,
102 (signed int const *)&t_pkt->rearm_data);
103 const vector unsigned char rxdf =
104 (vector unsigned char)vec_vsx_ld(0,
105 (signed int const *)&t_pkt->rx_descriptor_fields1);
106 const vector unsigned char crc_adj =
107 (vector unsigned char)(vector unsigned short){
108 0, 0, rxq->crc_present * RTE_ETHER_CRC_LEN, 0,
109 rxq->crc_present * RTE_ETHER_CRC_LEN, 0, 0, 0};
110 const vector unsigned short rxdf_sel_mask =
111 (vector unsigned short){
112 0xffff, 0xffff, 0, 0, 0, 0xffff, 0, 0};
113 const uint32_t flow_tag = t_pkt->hash.fdir.hi;
116 unsigned int inv = 0;
118 #ifdef MLX5_PMD_SOFT_COUNTERS
119 const vector unsigned char ones = vec_splat_u8(-1);
120 uint32_t rcvd_byte = 0;
121 /* Mask to shuffle byte_cnt to add up stats. Do bswap16 for all. */
122 const vector unsigned char len_shuf_mask = (vector unsigned char){
130 * A. load mCQEs into a 128bit register.
131 * B. store rearm data to mbuf.
132 * C. combine data from mCQEs with rx_descriptor_fields1.
133 * D. store rx_descriptor_fields1.
134 * E. store flow tag (rte_flow mark).
136 for (pos = 0; pos < mcqe_n; ) {
137 vector unsigned char mcqe1, mcqe2;
138 vector unsigned char rxdf1, rxdf2;
139 #ifdef MLX5_PMD_SOFT_COUNTERS
140 const vector unsigned short mcqe_sel_mask =
141 (vector unsigned short){0, 0, 0xffff, 0xffff,
142 0, 0, 0xfff, 0xffff};
143 const vector unsigned char lower_half = {
144 0, 1, 4, 5, 8, 9, 12, 13, 16,
145 17, 20, 21, 24, 25, 28, 29};
146 const vector unsigned char upper_half = {
147 2, 3, 6, 7, 10, 11, 14, 15,
148 18, 19, 22, 23, 26, 27, 30, 31};
149 vector unsigned short left, right;
150 vector unsigned char byte_cnt, invalid_mask;
151 vector unsigned long lshift;
152 __attribute__((altivec(vector__)))
153 __attribute__((altivec(bool__)))
154 unsigned long long shmask;
155 const vector unsigned long shmax = {64, 64};
158 if (!(pos & 0x7) && pos + 8 < mcqe_n)
159 rte_prefetch0((void *)(cq + pos + 8));
161 /* A.1 load mCQEs into a 128bit register. */
162 mcqe1 = (vector unsigned char)vec_vsx_ld(0,
163 (signed int const *)&mcq[pos % 8]);
164 mcqe2 = (vector unsigned char)vec_vsx_ld(0,
165 (signed int const *)&mcq[pos % 8 + 2]);
167 /* B.1 store rearm data to mbuf. */
168 *(vector unsigned char *)
169 &elts[pos]->rearm_data = rearm;
170 *(vector unsigned char *)
171 &elts[pos + 1]->rearm_data = rearm;
173 /* C.1 combine data from mCQEs with rx_descriptor_fields1. */
174 rxdf1 = vec_perm(mcqe1, zero, shuf_mask1);
175 rxdf2 = vec_perm(mcqe1, zero, shuf_mask2);
176 rxdf1 = (vector unsigned char)
177 ((vector unsigned short)rxdf1 -
178 (vector unsigned short)crc_adj);
179 rxdf2 = (vector unsigned char)
180 ((vector unsigned short)rxdf2 -
181 (vector unsigned short)crc_adj);
182 rxdf1 = (vector unsigned char)
183 vec_sel((vector unsigned short)rxdf1,
184 (vector unsigned short)rxdf, rxdf_sel_mask);
185 rxdf2 = (vector unsigned char)
186 vec_sel((vector unsigned short)rxdf2,
187 (vector unsigned short)rxdf, rxdf_sel_mask);
189 /* D.1 store rx_descriptor_fields1. */
190 *(vector unsigned char *)
191 &elts[pos]->rx_descriptor_fields1 = rxdf1;
192 *(vector unsigned char *)
193 &elts[pos + 1]->rx_descriptor_fields1 = rxdf2;
195 /* B.1 store rearm data to mbuf. */
196 *(vector unsigned char *)
197 &elts[pos + 2]->rearm_data = rearm;
198 *(vector unsigned char *)
199 &elts[pos + 3]->rearm_data = rearm;
201 /* C.1 combine data from mCQEs with rx_descriptor_fields1. */
202 rxdf1 = vec_perm(mcqe2, zero, shuf_mask1);
203 rxdf2 = vec_perm(mcqe2, zero, shuf_mask2);
204 rxdf1 = (vector unsigned char)
205 ((vector unsigned short)rxdf1 -
206 (vector unsigned short)crc_adj);
207 rxdf2 = (vector unsigned char)
208 ((vector unsigned short)rxdf2 -
209 (vector unsigned short)crc_adj);
210 rxdf1 = (vector unsigned char)
211 vec_sel((vector unsigned short)rxdf1,
212 (vector unsigned short)rxdf, rxdf_sel_mask);
213 rxdf2 = (vector unsigned char)
214 vec_sel((vector unsigned short)rxdf2,
215 (vector unsigned short)rxdf, rxdf_sel_mask);
217 /* D.1 store rx_descriptor_fields1. */
218 *(vector unsigned char *)
219 &elts[pos + 2]->rx_descriptor_fields1 = rxdf1;
220 *(vector unsigned char *)
221 &elts[pos + 3]->rx_descriptor_fields1 = rxdf2;
223 #ifdef MLX5_PMD_SOFT_COUNTERS
224 invalid_mask = (vector unsigned char)(vector unsigned long){
225 (mcqe_n - pos) * sizeof(uint16_t) * 8, 0};
228 vec_splat((vector unsigned long)invalid_mask, 0);
229 shmask = vec_cmpgt(shmax, lshift);
230 invalid_mask = (vector unsigned char)
231 vec_sl((vector unsigned long)ones, lshift);
232 invalid_mask = (vector unsigned char)
233 vec_sel((vector unsigned long)shmask,
234 (vector unsigned long)invalid_mask, shmask);
236 mcqe1 = (vector unsigned char)
237 vec_sro((vector unsigned short)mcqe1,
238 (vector unsigned char){32}),
239 byte_cnt = (vector unsigned char)
240 vec_sel((vector unsigned short)mcqe1,
241 (vector unsigned short)mcqe2, mcqe_sel_mask);
242 byte_cnt = vec_perm(byte_cnt, zero, len_shuf_mask);
243 byte_cnt = (vector unsigned char)
244 vec_andc((vector unsigned long)byte_cnt,
245 (vector unsigned long)invalid_mask);
246 left = vec_perm((vector unsigned short)byte_cnt,
247 (vector unsigned short)zero, lower_half);
248 right = vec_perm((vector unsigned short)byte_cnt,
249 (vector unsigned short)zero, upper_half);
250 byte_cnt = (vector unsigned char)vec_add(left, right);
251 left = vec_perm((vector unsigned short)byte_cnt,
252 (vector unsigned short)zero, lower_half);
253 right = vec_perm((vector unsigned short)byte_cnt,
254 (vector unsigned short)zero, upper_half);
255 byte_cnt = (vector unsigned char)vec_add(left, right);
256 rcvd_byte += ((vector unsigned long)byte_cnt)[0];
260 /* E.1 store flow tag (rte_flow mark). */
261 elts[pos]->hash.fdir.hi = flow_tag;
262 elts[pos + 1]->hash.fdir.hi = flow_tag;
263 elts[pos + 2]->hash.fdir.hi = flow_tag;
264 elts[pos + 3]->hash.fdir.hi = flow_tag;
267 pos += MLX5_VPMD_DESCS_PER_LOOP;
268 /* Move to next CQE and invalidate consumed CQEs. */
269 if (!(pos & 0x7) && pos < mcqe_n) {
270 mcq = (void *)&(cq + pos)->pkt_info;
271 for (i = 0; i < 8; ++i)
272 cq[inv++].op_own = MLX5_CQE_INVALIDATE;
276 /* Invalidate the rest of CQEs. */
277 for (; inv < mcqe_n; ++inv)
278 cq[inv].op_own = MLX5_CQE_INVALIDATE;
280 #ifdef MLX5_PMD_SOFT_COUNTERS
281 rxq->stats.ipackets += mcqe_n;
282 rxq->stats.ibytes += rcvd_byte;
285 rxq->cq_ci += mcqe_n;
290 * Calculate packet type and offload flag for mbuf and store it.
293 * Pointer to RX queue structure.
295 * Array of four 16bytes completions extracted from the original completion
298 * Opcode vector having responder error status. Each field is 4B.
300 * Pointer to array of packets to be filled.
303 rxq_cq_to_ptype_oflags_v(struct mlx5_rxq_data *rxq,
304 vector unsigned char cqes[4], vector unsigned char op_err,
305 struct rte_mbuf **pkts)
307 vector unsigned char pinfo0, pinfo1;
308 vector unsigned char pinfo, ptype;
309 vector unsigned char ol_flags = (vector unsigned char)
310 (vector unsigned int){
311 rxq->rss_hash * PKT_RX_RSS_HASH |
312 rxq->hw_timestamp * PKT_RX_TIMESTAMP,
313 rxq->rss_hash * PKT_RX_RSS_HASH |
314 rxq->hw_timestamp * PKT_RX_TIMESTAMP,
315 rxq->rss_hash * PKT_RX_RSS_HASH |
316 rxq->hw_timestamp * PKT_RX_TIMESTAMP,
317 rxq->rss_hash * PKT_RX_RSS_HASH |
318 rxq->hw_timestamp * PKT_RX_TIMESTAMP};
319 vector unsigned char cv_flags;
320 const vector unsigned char zero = (vector unsigned char){0};
321 const vector unsigned char ptype_mask =
322 (vector unsigned char)(vector unsigned int){
323 0x0000fd06, 0x0000fd06, 0x0000fd06, 0x0000fd06};
324 const vector unsigned char ptype_ol_mask =
325 (vector unsigned char)(vector unsigned int){
326 0x00000106, 0x00000106, 0x00000106, 0x00000106};
327 const vector unsigned char pinfo_mask =
328 (vector unsigned char)(vector unsigned int){
329 0x00000003, 0x00000003, 0x00000003, 0x00000003};
330 const vector unsigned char cv_flag_sel = (vector unsigned char){
331 0, (uint8_t)(PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED),
332 (uint8_t)(PKT_RX_IP_CKSUM_GOOD >> 1), 0,
333 (uint8_t)(PKT_RX_L4_CKSUM_GOOD >> 1), 0,
334 (uint8_t)((PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD) >> 1),
335 0, 0, 0, 0, 0, 0, 0, 0, 0};
336 const vector unsigned char cv_mask =
337 (vector unsigned char)(vector unsigned int){
338 PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
339 PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED,
340 PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
341 PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED,
342 PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
343 PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED,
344 PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD |
345 PKT_RX_VLAN | PKT_RX_VLAN_STRIPPED};
346 const vector unsigned char mbuf_init =
347 (vector unsigned char)(vector unsigned long){
348 *(__attribute__((__aligned__(8))) unsigned long *)
349 &rxq->mbuf_initializer, 0LL};
350 const vector unsigned short rearm_sel_mask =
351 (vector unsigned short){0, 0, 0, 0, 0xffff, 0xffff, 0, 0};
352 vector unsigned char rearm0, rearm1, rearm2, rearm3;
353 uint8_t pt_idx0, pt_idx1, pt_idx2, pt_idx3;
355 /* Extract pkt_info field. */
356 pinfo0 = (vector unsigned char)
357 vec_mergeh((vector unsigned int)cqes[0],
358 (vector unsigned int)cqes[1]);
359 pinfo1 = (vector unsigned char)
360 vec_mergeh((vector unsigned int)cqes[2],
361 (vector unsigned int)cqes[3]);
362 pinfo = (vector unsigned char)
363 vec_mergeh((vector unsigned long)pinfo0,
364 (vector unsigned long)pinfo1);
366 /* Extract hdr_type_etc field. */
367 pinfo0 = (vector unsigned char)
368 vec_mergel((vector unsigned int)cqes[0],
369 (vector unsigned int)cqes[1]);
370 pinfo1 = (vector unsigned char)
371 vec_mergel((vector unsigned int)cqes[2],
372 (vector unsigned int)cqes[3]);
373 ptype = (vector unsigned char)
374 vec_mergeh((vector unsigned long)pinfo0,
375 (vector unsigned long)pinfo1);
378 const vector unsigned char pinfo_ft_mask =
379 (vector unsigned char)(vector unsigned int){
380 0xffffff00, 0xffffff00, 0xffffff00, 0xffffff00};
381 const vector unsigned char fdir_flags =
382 (vector unsigned char)(vector unsigned int){
383 PKT_RX_FDIR, PKT_RX_FDIR,
384 PKT_RX_FDIR, PKT_RX_FDIR};
385 vector unsigned char fdir_id_flags =
386 (vector unsigned char)(vector unsigned int){
387 PKT_RX_FDIR_ID, PKT_RX_FDIR_ID,
388 PKT_RX_FDIR_ID, PKT_RX_FDIR_ID};
389 vector unsigned char flow_tag, invalid_mask;
391 flow_tag = (vector unsigned char)
392 vec_and((vector unsigned long)pinfo,
393 (vector unsigned long)pinfo_ft_mask);
395 /* Check if flow tag is non-zero then set PKT_RX_FDIR. */
396 invalid_mask = (vector unsigned char)
397 vec_cmpeq((vector unsigned int)flow_tag,
398 (vector unsigned int)zero);
399 ol_flags = (vector unsigned char)
400 vec_or((vector unsigned long)ol_flags,
401 (vector unsigned long)
402 vec_andc((vector unsigned long)fdir_flags,
403 (vector unsigned long)invalid_mask));
405 /* Mask out invalid entries. */
406 fdir_id_flags = (vector unsigned char)
407 vec_andc((vector unsigned long)fdir_id_flags,
408 (vector unsigned long)invalid_mask);
410 /* Check if flow tag MLX5_FLOW_MARK_DEFAULT. */
411 ol_flags = (vector unsigned char)
412 vec_or((vector unsigned long)ol_flags,
413 (vector unsigned long)
414 vec_andc((vector unsigned long)fdir_id_flags,
415 (vector unsigned long)
416 vec_cmpeq((vector unsigned int)flow_tag,
417 (vector unsigned int)pinfo_ft_mask)));
420 * Merge the two fields to generate the following:
424 * bit[11:10] = l3_hdr_type
425 * bit[14:12] = l4_hdr_type
428 * bit[17] = outer_l3_type
430 ptype = (vector unsigned char)
431 vec_and((vector unsigned long)ptype,
432 (vector unsigned long)ptype_mask);
433 pinfo = (vector unsigned char)
434 vec_and((vector unsigned long)pinfo,
435 (vector unsigned long)pinfo_mask);
436 pinfo = (vector unsigned char)
437 vec_sl((vector unsigned int)pinfo,
438 (vector unsigned int){16, 16, 16, 16});
440 /* Make pinfo has merged fields for ol_flags calculation. */
441 pinfo = (vector unsigned char)
442 vec_or((vector unsigned long)ptype,
443 (vector unsigned long)pinfo);
444 ptype = (vector unsigned char)
445 vec_sr((vector unsigned int)pinfo,
446 (vector unsigned int){10, 10, 10, 10});
447 ptype = (vector unsigned char)
448 vec_packs((vector unsigned int)ptype,
449 (vector unsigned int)zero);
451 /* Errored packets will have RTE_PTYPE_ALL_MASK. */
452 op_err = (vector unsigned char)
453 vec_sr((vector unsigned short)op_err,
454 (vector unsigned short){8, 8, 8, 8, 8, 8, 8, 8});
455 ptype = (vector unsigned char)
456 vec_or((vector unsigned long)ptype,
457 (vector unsigned long)op_err);
459 pt_idx0 = (uint8_t)((vector unsigned char)ptype)[0];
460 pt_idx1 = (uint8_t)((vector unsigned char)ptype)[2];
461 pt_idx2 = (uint8_t)((vector unsigned char)ptype)[4];
462 pt_idx3 = (uint8_t)((vector unsigned char)ptype)[6];
464 pkts[0]->packet_type = mlx5_ptype_table[pt_idx0] |
465 !!(pt_idx0 & (1 << 6)) * rxq->tunnel;
466 pkts[1]->packet_type = mlx5_ptype_table[pt_idx1] |
467 !!(pt_idx1 & (1 << 6)) * rxq->tunnel;
468 pkts[2]->packet_type = mlx5_ptype_table[pt_idx2] |
469 !!(pt_idx2 & (1 << 6)) * rxq->tunnel;
470 pkts[3]->packet_type = mlx5_ptype_table[pt_idx3] |
471 !!(pt_idx3 & (1 << 6)) * rxq->tunnel;
473 /* Fill flags for checksum and VLAN. */
474 pinfo = (vector unsigned char)
475 vec_and((vector unsigned long)pinfo,
476 (vector unsigned long)ptype_ol_mask);
477 pinfo = vec_perm(cv_flag_sel, zero, pinfo);
479 /* Locate checksum flags at byte[2:1] and merge with VLAN flags. */
480 cv_flags = (vector unsigned char)
481 vec_sl((vector unsigned int)pinfo,
482 (vector unsigned int){9, 9, 9, 9});
483 cv_flags = (vector unsigned char)
484 vec_or((vector unsigned long)pinfo,
485 (vector unsigned long)cv_flags);
487 /* Move back flags to start from byte[0]. */
488 cv_flags = (vector unsigned char)
489 vec_sr((vector unsigned int)cv_flags,
490 (vector unsigned int){8, 8, 8, 8});
492 /* Mask out garbage bits. */
493 cv_flags = (vector unsigned char)
494 vec_and((vector unsigned long)cv_flags,
495 (vector unsigned long)cv_mask);
497 /* Merge to ol_flags. */
498 ol_flags = (vector unsigned char)
499 vec_or((vector unsigned long)ol_flags,
500 (vector unsigned long)cv_flags);
502 /* Merge mbuf_init and ol_flags. */
503 rearm0 = (vector unsigned char)
504 vec_sel((vector unsigned short)mbuf_init,
505 (vector unsigned short)
506 vec_slo((vector unsigned short)ol_flags,
507 (vector unsigned char){64}), rearm_sel_mask);
508 rearm1 = (vector unsigned char)
509 vec_sel((vector unsigned short)mbuf_init,
510 (vector unsigned short)
511 vec_slo((vector unsigned short)ol_flags,
512 (vector unsigned char){32}), rearm_sel_mask);
513 rearm2 = (vector unsigned char)
514 vec_sel((vector unsigned short)mbuf_init,
515 (vector unsigned short)ol_flags, rearm_sel_mask);
516 rearm3 = (vector unsigned char)
517 vec_sel((vector unsigned short)mbuf_init,
518 (vector unsigned short)
519 vec_sro((vector unsigned short)ol_flags,
520 (vector unsigned char){32}), rearm_sel_mask);
522 /* Write 8B rearm_data and 8B ol_flags. */
523 vec_vsx_st(rearm0, 0,
524 (vector unsigned char *)&pkts[0]->rearm_data);
525 vec_vsx_st(rearm1, 0,
526 (vector unsigned char *)&pkts[1]->rearm_data);
527 vec_vsx_st(rearm2, 0,
528 (vector unsigned char *)&pkts[2]->rearm_data);
529 vec_vsx_st(rearm3, 0,
530 (vector unsigned char *)&pkts[3]->rearm_data);
535 * Receive burst of packets. An errored completion also consumes a mbuf, but the
536 * packet_type is set to be RTE_PTYPE_ALL_MASK. Marked mbufs should be freed
537 * before returning to application.
540 * Pointer to RX queue structure.
542 * Array to store received packets.
544 * Maximum number of packets in array.
546 * Pointer to a flag. Set non-zero value if pkts array has at least one error
550 * Number of packets received including errors (<= pkts_n).
552 static inline uint16_t
553 rxq_burst_v(struct mlx5_rxq_data *rxq, struct rte_mbuf **pkts, uint16_t pkts_n,
556 const uint16_t q_n = 1 << rxq->cqe_n;
557 const uint16_t q_mask = q_n - 1;
558 volatile struct mlx5_cqe *cq;
559 struct rte_mbuf **elts;
563 uint64_t comp_idx = MLX5_VPMD_DESCS_PER_LOOP;
564 uint16_t nocmp_n = 0;
565 uint16_t rcvd_pkt = 0;
566 unsigned int cq_idx = rxq->cq_ci & q_mask;
567 unsigned int elts_idx;
568 unsigned int ownership = !!(rxq->cq_ci & (q_mask + 1));
569 const vector unsigned char zero = (vector unsigned char){0};
570 const vector unsigned char ones = vec_splat_u8(-1);
571 const vector unsigned char owner_check =
572 (vector unsigned char)(vector unsigned long){
573 0x0100000001000000LL, 0x0100000001000000LL};
574 const vector unsigned char opcode_check =
575 (vector unsigned char)(vector unsigned long){
576 0xf0000000f0000000LL, 0xf0000000f0000000LL};
577 const vector unsigned char format_check =
578 (vector unsigned char)(vector unsigned long){
579 0x0c0000000c000000LL, 0x0c0000000c000000LL};
580 const vector unsigned char resp_err_check =
581 (vector unsigned char)(vector unsigned long){
582 0xe0000000e0000000LL, 0xe0000000e0000000LL};
583 #ifdef MLX5_PMD_SOFT_COUNTERS
584 uint32_t rcvd_byte = 0;
585 /* Mask to shuffle byte_cnt to add up stats. Do bswap16 for all. */
586 const vector unsigned char len_shuf_mask = (vector unsigned char){
592 /* Mask to shuffle from extracted CQE to mbuf. */
593 const vector unsigned char shuf_mask = (vector unsigned char){
594 5, 4, /* bswap16, pkt_len */
595 -1, -1, /* zero out 2nd half of pkt_len */
596 5, 4, /* bswap16, data_len */
597 11, 10, /* bswap16, vlan+tci */
598 15, 14, 13, 12, /* bswap32, rss */
599 1, 2, 3, -1}; /* fdir.hi */
600 /* Mask to blend from the last Qword to the first DQword. */
601 /* Mask to blend from the last Qword to the first DQword. */
602 const vector unsigned char blend_mask = (vector unsigned char){
607 const vector unsigned char crc_adj =
608 (vector unsigned char)(vector unsigned short){
609 rxq->crc_present * RTE_ETHER_CRC_LEN, 0,
610 rxq->crc_present * RTE_ETHER_CRC_LEN, 0, 0, 0, 0, 0};
611 const vector unsigned char flow_mark_adj =
612 (vector unsigned char)(vector unsigned int){
613 0, 0, 0, rxq->mark * (-1)};
614 const vector unsigned short cqe_sel_mask1 =
615 (vector unsigned short){0, 0, 0, 0, 0xffff, 0xffff, 0, 0};
616 const vector unsigned short cqe_sel_mask2 =
617 (vector unsigned short){0, 0, 0xffff, 0, 0, 0, 0, 0};
619 assert(rxq->sges_n == 0);
620 assert(rxq->cqe_n == rxq->elts_n);
621 cq = &(*rxq->cqes)[cq_idx];
623 rte_prefetch0(cq + 1);
624 rte_prefetch0(cq + 2);
625 rte_prefetch0(cq + 3);
626 pkts_n = RTE_MIN(pkts_n, MLX5_VPMD_RX_MAX_BURST);
628 repl_n = q_n - (rxq->rq_ci - rxq->rq_pi);
629 if (repl_n >= rxq->rq_repl_thresh)
630 mlx5_rx_replenish_bulk_mbuf(rxq, repl_n);
631 /* See if there're unreturned mbufs from compressed CQE. */
632 rcvd_pkt = rxq->decompressed;
634 rcvd_pkt = RTE_MIN(rcvd_pkt, pkts_n);
635 rxq_copy_mbuf_v(rxq, pkts, rcvd_pkt);
636 rxq->rq_pi += rcvd_pkt;
637 rxq->decompressed -= rcvd_pkt;
640 elts_idx = rxq->rq_pi & q_mask;
641 elts = &(*rxq->elts)[elts_idx];
642 /* Not to overflow pkts array. */
643 pkts_n = RTE_ALIGN_FLOOR(pkts_n - rcvd_pkt, MLX5_VPMD_DESCS_PER_LOOP);
644 /* Not to cross queue end. */
645 pkts_n = RTE_MIN(pkts_n, q_n - elts_idx);
646 pkts_n = RTE_MIN(pkts_n, q_n - cq_idx);
649 /* At this point, there shouldn't be any remaining packets. */
650 assert(rxq->decompressed == 0);
653 * A. load first Qword (8bytes) in one loop.
654 * B. copy 4 mbuf pointers from elts ring to returing pkts.
655 * C. load remaining CQE data and extract necessary fields.
656 * Final 16bytes cqes[] extracted from original 64bytes CQE has the
657 * following structure:
660 * uint8_t flow_tag[3];
664 * uint16_t hdr_type_etc;
665 * uint16_t vlan_info;
666 * uint32_t rx_has_res;
670 * F. find compressed CQE.
674 pos += MLX5_VPMD_DESCS_PER_LOOP) {
675 vector unsigned char cqes[MLX5_VPMD_DESCS_PER_LOOP];
676 vector unsigned char cqe_tmp1, cqe_tmp2;
677 vector unsigned char pkt_mb0, pkt_mb1, pkt_mb2, pkt_mb3;
678 vector unsigned char op_own, op_own_tmp1, op_own_tmp2;
679 vector unsigned char opcode, owner_mask, invalid_mask;
680 vector unsigned char comp_mask;
681 vector unsigned char mask;
682 #ifdef MLX5_PMD_SOFT_COUNTERS
683 const vector unsigned char lower_half = {
684 0, 1, 4, 5, 8, 9, 12, 13,
685 16, 17, 20, 21, 24, 25, 28, 29};
686 const vector unsigned char upper_half = {
687 2, 3, 6, 7, 10, 11, 14, 15,
688 18, 19, 22, 23, 26, 27, 30, 31};
689 const vector unsigned long shmax = {64, 64};
690 vector unsigned char byte_cnt;
691 vector unsigned short left, right;
692 vector unsigned long lshift;
693 vector __attribute__((altivec(bool__)))
694 unsigned long shmask;
696 vector unsigned char mbp1, mbp2;
697 vector unsigned char p =
698 (vector unsigned char)(vector unsigned short){
699 0, 1, 2, 3, 0, 0, 0, 0};
700 unsigned int p1, p2, p3;
702 /* Prefetch next 4 CQEs. */
703 if (pkts_n - pos >= 2 * MLX5_VPMD_DESCS_PER_LOOP) {
704 rte_prefetch0(&cq[pos + MLX5_VPMD_DESCS_PER_LOOP]);
705 rte_prefetch0(&cq[pos + MLX5_VPMD_DESCS_PER_LOOP + 1]);
706 rte_prefetch0(&cq[pos + MLX5_VPMD_DESCS_PER_LOOP + 2]);
707 rte_prefetch0(&cq[pos + MLX5_VPMD_DESCS_PER_LOOP + 3]);
710 /* A.0 do not cross the end of CQ. */
711 mask = (vector unsigned char)(vector unsigned long){
712 (pkts_n - pos) * sizeof(uint16_t) * 8, 0};
715 vector unsigned long lshift;
716 vector __attribute__((altivec(bool__)))
717 unsigned long shmask;
718 const vector unsigned long shmax = {64, 64};
720 lshift = vec_splat((vector unsigned long)mask, 0);
721 shmask = vec_cmpgt(shmax, lshift);
722 mask = (vector unsigned char)
723 vec_sl((vector unsigned long)ones, lshift);
724 mask = (vector unsigned char)
725 vec_sel((vector unsigned long)shmask,
726 (vector unsigned long)mask, shmask);
729 p = (vector unsigned char)
730 vec_andc((vector unsigned long)p,
731 (vector unsigned long)mask);
734 p3 = (unsigned int)((vector unsigned short)p)[3];
735 cqes[3] = (vector unsigned char)(vector unsigned long){
736 *(__attribute__((__aligned__(8))) unsigned long *)
737 &cq[pos + p3].sop_drop_qpn, 0LL};
738 rte_compiler_barrier();
740 p2 = (unsigned int)((vector unsigned short)p)[2];
741 cqes[2] = (vector unsigned char)(vector unsigned long){
742 *(__attribute__((__aligned__(8))) unsigned long *)
743 &cq[pos + p2].sop_drop_qpn, 0LL};
744 rte_compiler_barrier();
746 /* B.1 load mbuf pointers. */
747 mbp1 = (vector unsigned char)vec_vsx_ld(0,
748 (signed int const *)&elts[pos]);
749 mbp2 = (vector unsigned char)vec_vsx_ld(0,
750 (signed int const *)&elts[pos + 2]);
752 /* A.1 load a block having op_own. */
753 p1 = (unsigned int)((vector unsigned short)p)[1];
754 cqes[1] = (vector unsigned char)(vector unsigned long){
755 *(__attribute__((__aligned__(8))) unsigned long *)
756 &cq[pos + p1].sop_drop_qpn, 0LL};
757 rte_compiler_barrier();
759 cqes[0] = (vector unsigned char)(vector unsigned long){
760 *(__attribute__((__aligned__(8))) unsigned long *)
761 &cq[pos].sop_drop_qpn, 0LL};
762 rte_compiler_barrier();
764 /* B.2 copy mbuf pointers. */
765 *(vector unsigned char *)&pkts[pos] = mbp1;
766 *(vector unsigned char *)&pkts[pos + 2] = mbp2;
769 /* C.1 load remaining CQE data and extract necessary fields. */
770 cqe_tmp2 = *(vector unsigned char *)
771 &cq[pos + p3].pkt_info;
772 cqe_tmp1 = *(vector unsigned char *)
773 &cq[pos + p2].pkt_info;
774 cqes[3] = vec_sel(cqes[3], cqe_tmp2, blend_mask);
775 cqes[2] = vec_sel(cqes[2], cqe_tmp1, blend_mask);
776 cqe_tmp2 = (vector unsigned char)vec_vsx_ld(0,
777 (signed int const *)&cq[pos + p3].csum);
778 cqe_tmp1 = (vector unsigned char)vec_vsx_ld(0,
779 (signed int const *)&cq[pos + p2].csum);
780 cqes[3] = (vector unsigned char)
781 vec_sel((vector unsigned short)cqes[3],
782 (vector unsigned short)cqe_tmp2, cqe_sel_mask1);
783 cqes[2] = (vector unsigned char)
784 vec_sel((vector unsigned short)cqes[2],
785 (vector unsigned short)cqe_tmp1, cqe_sel_mask1);
786 cqe_tmp2 = (vector unsigned char)(vector unsigned long){
787 *(__attribute__((__aligned__(8))) unsigned long *)
788 &cq[pos + p3].rsvd3[9], 0LL};
789 cqe_tmp1 = (vector unsigned char)(vector unsigned long){
790 *(__attribute__((__aligned__(8))) unsigned long *)
791 &cq[pos + p2].rsvd3[9], 0LL};
792 cqes[3] = (vector unsigned char)
793 vec_sel((vector unsigned short)cqes[3],
794 (vector unsigned short)cqe_tmp2,
795 (vector unsigned short)cqe_sel_mask2);
796 cqes[2] = (vector unsigned char)
797 vec_sel((vector unsigned short)cqes[2],
798 (vector unsigned short)cqe_tmp1,
799 (vector unsigned short)cqe_sel_mask2);
801 /* C.2 generate final structure for mbuf with swapping bytes. */
802 pkt_mb3 = vec_perm(cqes[3], zero, shuf_mask);
803 pkt_mb2 = vec_perm(cqes[2], zero, shuf_mask);
805 /* C.3 adjust CRC length. */
806 pkt_mb3 = (vector unsigned char)
807 ((vector unsigned short)pkt_mb3 -
808 (vector unsigned short)crc_adj);
809 pkt_mb2 = (vector unsigned char)
810 ((vector unsigned short)pkt_mb2 -
811 (vector unsigned short)crc_adj);
813 /* C.4 adjust flow mark. */
814 pkt_mb3 = (vector unsigned char)
815 ((vector unsigned int)pkt_mb3 +
816 (vector unsigned int)flow_mark_adj);
817 pkt_mb2 = (vector unsigned char)
818 ((vector unsigned int)pkt_mb2 +
819 (vector unsigned int)flow_mark_adj);
821 /* D.1 fill in mbuf - rx_descriptor_fields1. */
822 *(vector unsigned char *)
823 &pkts[pos + 3]->pkt_len = pkt_mb3;
824 *(vector unsigned char *)
825 &pkts[pos + 2]->pkt_len = pkt_mb2;
827 /* E.1 extract op_own field. */
828 op_own_tmp2 = (vector unsigned char)
829 vec_mergeh((vector unsigned int)cqes[2],
830 (vector unsigned int)cqes[3]);
832 /* C.1 load remaining CQE data and extract necessary fields. */
833 cqe_tmp2 = *(vector unsigned char *)
834 &cq[pos + p1].pkt_info;
835 cqe_tmp1 = *(vector unsigned char *)
837 cqes[1] = vec_sel(cqes[1], cqe_tmp2, blend_mask);
838 cqes[0] = vec_sel(cqes[0], cqe_tmp2, blend_mask);
839 cqe_tmp2 = (vector unsigned char)vec_vsx_ld(0,
840 (signed int const *)&cq[pos + p1].csum);
841 cqe_tmp1 = (vector unsigned char)vec_vsx_ld(0,
842 (signed int const *)&cq[pos].csum);
843 cqes[1] = (vector unsigned char)
844 vec_sel((vector unsigned short)cqes[1],
845 (vector unsigned short)cqe_tmp2, cqe_sel_mask1);
846 cqes[0] = (vector unsigned char)
847 vec_sel((vector unsigned short)cqes[0],
848 (vector unsigned short)cqe_tmp1, cqe_sel_mask1);
849 cqe_tmp2 = (vector unsigned char)(vector unsigned long){
850 *(__attribute__((__aligned__(8))) unsigned long *)
851 &cq[pos + p1].rsvd3[9], 0LL};
852 cqe_tmp1 = (vector unsigned char)(vector unsigned long){
853 *(__attribute__((__aligned__(8))) unsigned long *)
854 &cq[pos].rsvd3[9], 0LL};
855 cqes[1] = (vector unsigned char)
856 vec_sel((vector unsigned short)cqes[1],
857 (vector unsigned short)cqe_tmp2, cqe_sel_mask2);
858 cqes[0] = (vector unsigned char)
859 vec_sel((vector unsigned short)cqes[0],
860 (vector unsigned short)cqe_tmp1, cqe_sel_mask2);
862 /* C.2 generate final structure for mbuf with swapping bytes. */
863 pkt_mb1 = vec_perm(cqes[1], zero, shuf_mask);
864 pkt_mb0 = vec_perm(cqes[0], zero, shuf_mask);
866 /* C.3 adjust CRC length. */
867 pkt_mb1 = (vector unsigned char)
868 ((vector unsigned short)pkt_mb1 -
869 (vector unsigned short)crc_adj);
870 pkt_mb0 = (vector unsigned char)
871 ((vector unsigned short)pkt_mb0 -
872 (vector unsigned short)crc_adj);
874 /* C.4 adjust flow mark. */
875 pkt_mb1 = (vector unsigned char)
876 ((vector unsigned int)pkt_mb1 +
877 (vector unsigned int)flow_mark_adj);
878 pkt_mb0 = (vector unsigned char)
879 ((vector unsigned int)pkt_mb0 +
880 (vector unsigned int)flow_mark_adj);
882 /* E.1 extract op_own byte. */
883 op_own_tmp1 = (vector unsigned char)
884 vec_mergeh((vector unsigned int)cqes[0],
885 (vector unsigned int)cqes[1]);
886 op_own = (vector unsigned char)
887 vec_mergel((vector unsigned long)op_own_tmp1,
888 (vector unsigned long)op_own_tmp2);
890 /* D.1 fill in mbuf - rx_descriptor_fields1. */
891 *(vector unsigned char *)
892 &pkts[pos + 1]->pkt_len = pkt_mb1;
893 *(vector unsigned char *)
894 &pkts[pos]->pkt_len = pkt_mb0;
896 /* E.2 flip owner bit to mark CQEs from last round. */
897 owner_mask = (vector unsigned char)
898 vec_and((vector unsigned long)op_own,
899 (vector unsigned long)owner_check);
901 owner_mask = (vector unsigned char)
902 vec_xor((vector unsigned long)owner_mask,
903 (vector unsigned long)owner_check);
904 owner_mask = (vector unsigned char)
905 vec_cmpeq((vector unsigned int)owner_mask,
906 (vector unsigned int)owner_check);
907 owner_mask = (vector unsigned char)
908 vec_packs((vector unsigned int)owner_mask,
909 (vector unsigned int)zero);
911 /* E.3 get mask for invalidated CQEs. */
912 opcode = (vector unsigned char)
913 vec_and((vector unsigned long)op_own,
914 (vector unsigned long)opcode_check);
915 invalid_mask = (vector unsigned char)
916 vec_cmpeq((vector unsigned int)opcode_check,
917 (vector unsigned int)opcode);
918 invalid_mask = (vector unsigned char)
919 vec_packs((vector unsigned int)invalid_mask,
920 (vector unsigned int)zero);
922 /* E.4 mask out beyond boundary. */
923 invalid_mask = (vector unsigned char)
924 vec_or((vector unsigned long)invalid_mask,
925 (vector unsigned long)mask);
927 /* E.5 merge invalid_mask with invalid owner. */
928 invalid_mask = (vector unsigned char)
929 vec_or((vector unsigned long)invalid_mask,
930 (vector unsigned long)owner_mask);
932 /* F.1 find compressed CQE format. */
933 comp_mask = (vector unsigned char)
934 vec_and((vector unsigned long)op_own,
935 (vector unsigned long)format_check);
936 comp_mask = (vector unsigned char)
937 vec_cmpeq((vector unsigned int)comp_mask,
938 (vector unsigned int)format_check);
939 comp_mask = (vector unsigned char)
940 vec_packs((vector unsigned int)comp_mask,
941 (vector unsigned int)zero);
943 /* F.2 mask out invalid entries. */
944 comp_mask = (vector unsigned char)
945 vec_andc((vector unsigned long)comp_mask,
946 (vector unsigned long)invalid_mask);
947 comp_idx = ((vector unsigned long)comp_mask)[0];
949 /* F.3 get the first compressed CQE. */
950 comp_idx = comp_idx ? __builtin_ctzll(comp_idx) /
951 (sizeof(uint16_t) * 8) : MLX5_VPMD_DESCS_PER_LOOP;
953 /* E.6 mask out entries after the compressed CQE. */
954 mask = (vector unsigned char)(vector unsigned long){
955 (comp_idx * sizeof(uint16_t) * 8), 0};
956 lshift = vec_splat((vector unsigned long)mask, 0);
957 shmask = vec_cmpgt(shmax, lshift);
958 mask = (vector unsigned char)
959 vec_sl((vector unsigned long)ones, lshift);
960 mask = (vector unsigned char)
961 vec_sel((vector unsigned long)shmask,
962 (vector unsigned long)mask, shmask);
963 invalid_mask = (vector unsigned char)
964 vec_or((vector unsigned long)invalid_mask,
965 (vector unsigned long)mask);
967 /* E.7 count non-compressed valid CQEs. */
968 n = ((vector unsigned long)invalid_mask)[0];
969 n = n ? __builtin_ctzll(n) / (sizeof(uint16_t) * 8) :
970 MLX5_VPMD_DESCS_PER_LOOP;
973 /* D.2 get the final invalid mask. */
974 mask = (vector unsigned char)(vector unsigned long){
975 (n * sizeof(uint16_t) * 8), 0};
976 lshift = vec_splat((vector unsigned long)mask, 0);
977 shmask = vec_cmpgt(shmax, lshift);
978 mask = (vector unsigned char)
979 vec_sl((vector unsigned long)ones, lshift);
980 mask = (vector unsigned char)
981 vec_sel((vector unsigned long)shmask,
982 (vector unsigned long)mask, shmask);
983 invalid_mask = (vector unsigned char)
984 vec_or((vector unsigned long)invalid_mask,
985 (vector unsigned long)mask);
987 /* D.3 check error in opcode. */
988 opcode = (vector unsigned char)
989 vec_cmpeq((vector unsigned int)resp_err_check,
990 (vector unsigned int)opcode);
991 opcode = (vector unsigned char)
992 vec_packs((vector unsigned int)opcode,
993 (vector unsigned int)zero);
994 opcode = (vector unsigned char)
995 vec_andc((vector unsigned long)opcode,
996 (vector unsigned long)invalid_mask);
998 /* D.4 mark if any error is set */
999 *err |= ((vector unsigned long)opcode)[0];
1001 /* D.5 fill in mbuf - rearm_data and packet_type. */
1002 rxq_cq_to_ptype_oflags_v(rxq, cqes, opcode, &pkts[pos]);
1003 if (rxq->hw_timestamp) {
1004 pkts[pos]->timestamp =
1005 rte_be_to_cpu_64(cq[pos].timestamp);
1006 pkts[pos + 1]->timestamp =
1007 rte_be_to_cpu_64(cq[pos + p1].timestamp);
1008 pkts[pos + 2]->timestamp =
1009 rte_be_to_cpu_64(cq[pos + p2].timestamp);
1010 pkts[pos + 3]->timestamp =
1011 rte_be_to_cpu_64(cq[pos + p3].timestamp);
1013 if (rte_flow_dynf_metadata_avail()) {
1014 uint64_t flag = rte_flow_dynf_metadata_mask;
1015 int offs = rte_flow_dynf_metadata_offs;
1018 /* This code is subject for futher optimization. */
1019 metadata = cq[pos].flow_table_metadata;
1020 *RTE_MBUF_DYNFIELD(pkts[pos], offs, uint32_t *) =
1022 pkts[pos]->ol_flags |= metadata ? flag : 0ULL;
1023 metadata = cq[pos + 1].flow_table_metadata;
1024 *RTE_MBUF_DYNFIELD(pkts[pos + 1], offs, uint32_t *) =
1026 pkts[pos + 1]->ol_flags |= metadata ? flag : 0ULL;
1027 metadata = cq[pos + 2].flow_table_metadata;
1028 *RTE_MBUF_DYNFIELD(pkts[pos + 2], offs, uint32_t *) =
1030 pkts[pos + 2]->ol_flags |= metadata ? flag : 0ULL;
1031 metadata = cq[pos + 3].flow_table_metadata;
1032 *RTE_MBUF_DYNFIELD(pkts[pos + 3], offs, uint32_t *) =
1034 pkts[pos + 3]->ol_flags |= metadata ? flag : 0ULL;
1036 #ifdef MLX5_PMD_SOFT_COUNTERS
1037 /* Add up received bytes count. */
1038 byte_cnt = vec_perm(op_own, zero, len_shuf_mask);
1039 byte_cnt = (vector unsigned char)
1040 vec_andc((vector unsigned long)byte_cnt,
1041 (vector unsigned long)invalid_mask);
1042 left = vec_perm((vector unsigned short)byte_cnt,
1043 (vector unsigned short)zero, lower_half);
1044 right = vec_perm((vector unsigned short)byte_cnt,
1045 (vector unsigned short)zero, upper_half);
1046 byte_cnt = (vector unsigned char)vec_add(left, right);
1047 left = vec_perm((vector unsigned short)byte_cnt,
1048 (vector unsigned short)zero, lower_half);
1049 right = vec_perm((vector unsigned short)byte_cnt,
1050 (vector unsigned short)zero, upper_half);
1051 byte_cnt = (vector unsigned char)vec_add(left, right);
1052 rcvd_byte += ((vector unsigned long)byte_cnt)[0];
1056 * Break the loop unless more valid CQE is expected, or if
1057 * there's a compressed CQE.
1059 if (n != MLX5_VPMD_DESCS_PER_LOOP)
1062 /* If no new CQE seen, return without updating cq_db. */
1063 if (unlikely(!nocmp_n && comp_idx == MLX5_VPMD_DESCS_PER_LOOP))
1065 /* Update the consumer indexes for non-compressed CQEs. */
1066 assert(nocmp_n <= pkts_n);
1067 rxq->cq_ci += nocmp_n;
1068 rxq->rq_pi += nocmp_n;
1069 rcvd_pkt += nocmp_n;
1070 #ifdef MLX5_PMD_SOFT_COUNTERS
1071 rxq->stats.ipackets += nocmp_n;
1072 rxq->stats.ibytes += rcvd_byte;
1074 /* Decompress the last CQE if compressed. */
1075 if (comp_idx < MLX5_VPMD_DESCS_PER_LOOP && comp_idx == n) {
1076 assert(comp_idx == (nocmp_n % MLX5_VPMD_DESCS_PER_LOOP));
1078 rxq_cq_decompress_v(rxq, &cq[nocmp_n], &elts[nocmp_n]);
1079 /* Return more packets if needed. */
1080 if (nocmp_n < pkts_n) {
1081 uint16_t n = rxq->decompressed;
1083 n = RTE_MIN(n, pkts_n - nocmp_n);
1084 rxq_copy_mbuf_v(rxq, &pkts[nocmp_n], n);
1087 rxq->decompressed -= n;
1090 rte_compiler_barrier();
1091 *rxq->cq_db = rte_cpu_to_be_32(rxq->cq_ci);
1095 #endif /* RTE_PMD_MLX5_RXTX_VEC_ALTIVEC_H_ */