1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation.
3 * Copyright 2014 6WIND S.A.
17 #include <rte_byteorder.h>
18 #include <rte_common.h>
19 #include <rte_cycles.h>
21 #include <rte_debug.h>
22 #include <rte_interrupts.h>
24 #include <rte_memory.h>
25 #include <rte_memzone.h>
26 #include <rte_launch.h>
28 #include <rte_per_lcore.h>
29 #include <rte_lcore.h>
30 #include <rte_atomic.h>
31 #include <rte_branch_prediction.h>
32 #include <rte_mempool.h>
33 #include <rte_malloc.h>
35 #include <rte_ether.h>
36 #include <rte_ethdev_driver.h>
37 #include <rte_prefetch.h>
41 #include <rte_string_fns.h>
42 #include <rte_errno.h>
46 #include "ixgbe_logs.h"
47 #include "base/ixgbe_api.h"
48 #include "base/ixgbe_vf.h"
49 #include "ixgbe_ethdev.h"
50 #include "base/ixgbe_dcb.h"
51 #include "base/ixgbe_common.h"
52 #include "ixgbe_rxtx.h"
54 #ifdef RTE_LIBRTE_IEEE1588
55 #define IXGBE_TX_IEEE1588_TMST PKT_TX_IEEE1588_TMST
57 #define IXGBE_TX_IEEE1588_TMST 0
59 /* Bit Mask to indicate what bits required for building TX context */
60 #define IXGBE_TX_OFFLOAD_MASK ( \
70 PKT_TX_OUTER_IP_CKSUM | \
71 PKT_TX_SEC_OFFLOAD | \
72 IXGBE_TX_IEEE1588_TMST)
74 #define IXGBE_TX_OFFLOAD_NOTSUP_MASK \
75 (PKT_TX_OFFLOAD_MASK ^ IXGBE_TX_OFFLOAD_MASK)
78 #define RTE_PMD_USE_PREFETCH
81 #ifdef RTE_PMD_USE_PREFETCH
83 * Prefetch a cache line into all cache levels.
85 #define rte_ixgbe_prefetch(p) rte_prefetch0(p)
87 #define rte_ixgbe_prefetch(p) do {} while (0)
90 #ifdef RTE_IXGBE_INC_VECTOR
91 uint16_t ixgbe_xmit_fixed_burst_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
95 /*********************************************************************
99 **********************************************************************/
102 * Check for descriptors with their DD bit set and free mbufs.
103 * Return the total number of buffers freed.
105 static __rte_always_inline int
106 ixgbe_tx_free_bufs(struct ixgbe_tx_queue *txq)
108 struct ixgbe_tx_entry *txep;
111 struct rte_mbuf *m, *free[RTE_IXGBE_TX_MAX_FREE_BUF_SZ];
113 /* check DD bit on threshold descriptor */
114 status = txq->tx_ring[txq->tx_next_dd].wb.status;
115 if (!(status & rte_cpu_to_le_32(IXGBE_ADVTXD_STAT_DD)))
119 * first buffer to free from S/W ring is at index
120 * tx_next_dd - (tx_rs_thresh-1)
122 txep = &(txq->sw_ring[txq->tx_next_dd - (txq->tx_rs_thresh - 1)]);
124 for (i = 0; i < txq->tx_rs_thresh; ++i, ++txep) {
125 /* free buffers one at a time */
126 m = rte_pktmbuf_prefree_seg(txep->mbuf);
129 if (unlikely(m == NULL))
132 if (nb_free >= RTE_IXGBE_TX_MAX_FREE_BUF_SZ ||
133 (nb_free > 0 && m->pool != free[0]->pool)) {
134 rte_mempool_put_bulk(free[0]->pool,
135 (void **)free, nb_free);
143 rte_mempool_put_bulk(free[0]->pool, (void **)free, nb_free);
145 /* buffers were freed, update counters */
146 txq->nb_tx_free = (uint16_t)(txq->nb_tx_free + txq->tx_rs_thresh);
147 txq->tx_next_dd = (uint16_t)(txq->tx_next_dd + txq->tx_rs_thresh);
148 if (txq->tx_next_dd >= txq->nb_tx_desc)
149 txq->tx_next_dd = (uint16_t)(txq->tx_rs_thresh - 1);
151 return txq->tx_rs_thresh;
154 /* Populate 4 descriptors with data from 4 mbufs */
156 tx4(volatile union ixgbe_adv_tx_desc *txdp, struct rte_mbuf **pkts)
158 uint64_t buf_dma_addr;
162 for (i = 0; i < 4; ++i, ++txdp, ++pkts) {
163 buf_dma_addr = rte_mbuf_data_iova(*pkts);
164 pkt_len = (*pkts)->data_len;
166 /* write data to descriptor */
167 txdp->read.buffer_addr = rte_cpu_to_le_64(buf_dma_addr);
169 txdp->read.cmd_type_len =
170 rte_cpu_to_le_32((uint32_t)DCMD_DTYP_FLAGS | pkt_len);
172 txdp->read.olinfo_status =
173 rte_cpu_to_le_32(pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
175 rte_prefetch0(&(*pkts)->pool);
179 /* Populate 1 descriptor with data from 1 mbuf */
181 tx1(volatile union ixgbe_adv_tx_desc *txdp, struct rte_mbuf **pkts)
183 uint64_t buf_dma_addr;
186 buf_dma_addr = rte_mbuf_data_iova(*pkts);
187 pkt_len = (*pkts)->data_len;
189 /* write data to descriptor */
190 txdp->read.buffer_addr = rte_cpu_to_le_64(buf_dma_addr);
191 txdp->read.cmd_type_len =
192 rte_cpu_to_le_32((uint32_t)DCMD_DTYP_FLAGS | pkt_len);
193 txdp->read.olinfo_status =
194 rte_cpu_to_le_32(pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
195 rte_prefetch0(&(*pkts)->pool);
199 * Fill H/W descriptor ring with mbuf data.
200 * Copy mbuf pointers to the S/W ring.
203 ixgbe_tx_fill_hw_ring(struct ixgbe_tx_queue *txq, struct rte_mbuf **pkts,
206 volatile union ixgbe_adv_tx_desc *txdp = &(txq->tx_ring[txq->tx_tail]);
207 struct ixgbe_tx_entry *txep = &(txq->sw_ring[txq->tx_tail]);
208 const int N_PER_LOOP = 4;
209 const int N_PER_LOOP_MASK = N_PER_LOOP-1;
210 int mainpart, leftover;
214 * Process most of the packets in chunks of N pkts. Any
215 * leftover packets will get processed one at a time.
217 mainpart = (nb_pkts & ((uint32_t) ~N_PER_LOOP_MASK));
218 leftover = (nb_pkts & ((uint32_t) N_PER_LOOP_MASK));
219 for (i = 0; i < mainpart; i += N_PER_LOOP) {
220 /* Copy N mbuf pointers to the S/W ring */
221 for (j = 0; j < N_PER_LOOP; ++j) {
222 (txep + i + j)->mbuf = *(pkts + i + j);
224 tx4(txdp + i, pkts + i);
227 if (unlikely(leftover > 0)) {
228 for (i = 0; i < leftover; ++i) {
229 (txep + mainpart + i)->mbuf = *(pkts + mainpart + i);
230 tx1(txdp + mainpart + i, pkts + mainpart + i);
235 static inline uint16_t
236 tx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
239 struct ixgbe_tx_queue *txq = (struct ixgbe_tx_queue *)tx_queue;
240 volatile union ixgbe_adv_tx_desc *tx_r = txq->tx_ring;
244 * Begin scanning the H/W ring for done descriptors when the
245 * number of available descriptors drops below tx_free_thresh. For
246 * each done descriptor, free the associated buffer.
248 if (txq->nb_tx_free < txq->tx_free_thresh)
249 ixgbe_tx_free_bufs(txq);
251 /* Only use descriptors that are available */
252 nb_pkts = (uint16_t)RTE_MIN(txq->nb_tx_free, nb_pkts);
253 if (unlikely(nb_pkts == 0))
256 /* Use exactly nb_pkts descriptors */
257 txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_pkts);
260 * At this point, we know there are enough descriptors in the
261 * ring to transmit all the packets. This assumes that each
262 * mbuf contains a single segment, and that no new offloads
263 * are expected, which would require a new context descriptor.
267 * See if we're going to wrap-around. If so, handle the top
268 * of the descriptor ring first, then do the bottom. If not,
269 * the processing looks just like the "bottom" part anyway...
271 if ((txq->tx_tail + nb_pkts) > txq->nb_tx_desc) {
272 n = (uint16_t)(txq->nb_tx_desc - txq->tx_tail);
273 ixgbe_tx_fill_hw_ring(txq, tx_pkts, n);
276 * We know that the last descriptor in the ring will need to
277 * have its RS bit set because tx_rs_thresh has to be
278 * a divisor of the ring size
280 tx_r[txq->tx_next_rs].read.cmd_type_len |=
281 rte_cpu_to_le_32(IXGBE_ADVTXD_DCMD_RS);
282 txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
287 /* Fill H/W descriptor ring with mbuf data */
288 ixgbe_tx_fill_hw_ring(txq, tx_pkts + n, (uint16_t)(nb_pkts - n));
289 txq->tx_tail = (uint16_t)(txq->tx_tail + (nb_pkts - n));
292 * Determine if RS bit should be set
293 * This is what we actually want:
294 * if ((txq->tx_tail - 1) >= txq->tx_next_rs)
295 * but instead of subtracting 1 and doing >=, we can just do
296 * greater than without subtracting.
298 if (txq->tx_tail > txq->tx_next_rs) {
299 tx_r[txq->tx_next_rs].read.cmd_type_len |=
300 rte_cpu_to_le_32(IXGBE_ADVTXD_DCMD_RS);
301 txq->tx_next_rs = (uint16_t)(txq->tx_next_rs +
303 if (txq->tx_next_rs >= txq->nb_tx_desc)
304 txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
308 * Check for wrap-around. This would only happen if we used
309 * up to the last descriptor in the ring, no more, no less.
311 if (txq->tx_tail >= txq->nb_tx_desc)
314 /* update tail pointer */
316 IXGBE_PCI_REG_WRITE_RELAXED(txq->tdt_reg_addr, txq->tx_tail);
322 ixgbe_xmit_pkts_simple(void *tx_queue, struct rte_mbuf **tx_pkts,
327 /* Try to transmit at least chunks of TX_MAX_BURST pkts */
328 if (likely(nb_pkts <= RTE_PMD_IXGBE_TX_MAX_BURST))
329 return tx_xmit_pkts(tx_queue, tx_pkts, nb_pkts);
331 /* transmit more than the max burst, in chunks of TX_MAX_BURST */
336 n = (uint16_t)RTE_MIN(nb_pkts, RTE_PMD_IXGBE_TX_MAX_BURST);
337 ret = tx_xmit_pkts(tx_queue, &(tx_pkts[nb_tx]), n);
338 nb_tx = (uint16_t)(nb_tx + ret);
339 nb_pkts = (uint16_t)(nb_pkts - ret);
347 #ifdef RTE_IXGBE_INC_VECTOR
349 ixgbe_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
353 struct ixgbe_tx_queue *txq = (struct ixgbe_tx_queue *)tx_queue;
358 num = (uint16_t)RTE_MIN(nb_pkts, txq->tx_rs_thresh);
359 ret = ixgbe_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx],
372 ixgbe_set_xmit_ctx(struct ixgbe_tx_queue *txq,
373 volatile struct ixgbe_adv_tx_context_desc *ctx_txd,
374 uint64_t ol_flags, union ixgbe_tx_offload tx_offload,
375 __rte_unused uint64_t *mdata)
377 uint32_t type_tucmd_mlhl;
378 uint32_t mss_l4len_idx = 0;
380 uint32_t vlan_macip_lens;
381 union ixgbe_tx_offload tx_offload_mask;
382 uint32_t seqnum_seed = 0;
384 ctx_idx = txq->ctx_curr;
385 tx_offload_mask.data[0] = 0;
386 tx_offload_mask.data[1] = 0;
389 /* Specify which HW CTX to upload. */
390 mss_l4len_idx |= (ctx_idx << IXGBE_ADVTXD_IDX_SHIFT);
392 if (ol_flags & PKT_TX_VLAN_PKT) {
393 tx_offload_mask.vlan_tci |= ~0;
396 /* check if TCP segmentation required for this packet */
397 if (ol_flags & PKT_TX_TCP_SEG) {
398 /* implies IP cksum in IPv4 */
399 if (ol_flags & PKT_TX_IP_CKSUM)
400 type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV4 |
401 IXGBE_ADVTXD_TUCMD_L4T_TCP |
402 IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
404 type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV6 |
405 IXGBE_ADVTXD_TUCMD_L4T_TCP |
406 IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
408 tx_offload_mask.l2_len |= ~0;
409 tx_offload_mask.l3_len |= ~0;
410 tx_offload_mask.l4_len |= ~0;
411 tx_offload_mask.tso_segsz |= ~0;
412 mss_l4len_idx |= tx_offload.tso_segsz << IXGBE_ADVTXD_MSS_SHIFT;
413 mss_l4len_idx |= tx_offload.l4_len << IXGBE_ADVTXD_L4LEN_SHIFT;
414 } else { /* no TSO, check if hardware checksum is needed */
415 if (ol_flags & PKT_TX_IP_CKSUM) {
416 type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV4;
417 tx_offload_mask.l2_len |= ~0;
418 tx_offload_mask.l3_len |= ~0;
421 switch (ol_flags & PKT_TX_L4_MASK) {
422 case PKT_TX_UDP_CKSUM:
423 type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_UDP |
424 IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
425 mss_l4len_idx |= sizeof(struct udp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
426 tx_offload_mask.l2_len |= ~0;
427 tx_offload_mask.l3_len |= ~0;
429 case PKT_TX_TCP_CKSUM:
430 type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP |
431 IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
432 mss_l4len_idx |= sizeof(struct tcp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
433 tx_offload_mask.l2_len |= ~0;
434 tx_offload_mask.l3_len |= ~0;
436 case PKT_TX_SCTP_CKSUM:
437 type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_SCTP |
438 IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
439 mss_l4len_idx |= sizeof(struct sctp_hdr) << IXGBE_ADVTXD_L4LEN_SHIFT;
440 tx_offload_mask.l2_len |= ~0;
441 tx_offload_mask.l3_len |= ~0;
444 type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_RSV |
445 IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
450 if (ol_flags & PKT_TX_OUTER_IP_CKSUM) {
451 tx_offload_mask.outer_l2_len |= ~0;
452 tx_offload_mask.outer_l3_len |= ~0;
453 tx_offload_mask.l2_len |= ~0;
454 seqnum_seed |= tx_offload.outer_l3_len
455 << IXGBE_ADVTXD_OUTER_IPLEN;
456 seqnum_seed |= tx_offload.l2_len
457 << IXGBE_ADVTXD_TUNNEL_LEN;
459 #ifdef RTE_LIBRTE_SECURITY
460 if (ol_flags & PKT_TX_SEC_OFFLOAD) {
461 union ixgbe_crypto_tx_desc_md *md =
462 (union ixgbe_crypto_tx_desc_md *)mdata;
464 (IXGBE_ADVTXD_IPSEC_SA_INDEX_MASK & md->sa_idx);
465 type_tucmd_mlhl |= md->enc ?
466 (IXGBE_ADVTXD_TUCMD_IPSEC_TYPE_ESP |
467 IXGBE_ADVTXD_TUCMD_IPSEC_ENCRYPT_EN) : 0;
469 (md->pad_len & IXGBE_ADVTXD_IPSEC_ESP_LEN_MASK);
470 tx_offload_mask.sa_idx |= ~0;
471 tx_offload_mask.sec_pad_len |= ~0;
475 txq->ctx_cache[ctx_idx].flags = ol_flags;
476 txq->ctx_cache[ctx_idx].tx_offload.data[0] =
477 tx_offload_mask.data[0] & tx_offload.data[0];
478 txq->ctx_cache[ctx_idx].tx_offload.data[1] =
479 tx_offload_mask.data[1] & tx_offload.data[1];
480 txq->ctx_cache[ctx_idx].tx_offload_mask = tx_offload_mask;
482 ctx_txd->type_tucmd_mlhl = rte_cpu_to_le_32(type_tucmd_mlhl);
483 vlan_macip_lens = tx_offload.l3_len;
484 if (ol_flags & PKT_TX_OUTER_IP_CKSUM)
485 vlan_macip_lens |= (tx_offload.outer_l2_len <<
486 IXGBE_ADVTXD_MACLEN_SHIFT);
488 vlan_macip_lens |= (tx_offload.l2_len <<
489 IXGBE_ADVTXD_MACLEN_SHIFT);
490 vlan_macip_lens |= ((uint32_t)tx_offload.vlan_tci << IXGBE_ADVTXD_VLAN_SHIFT);
491 ctx_txd->vlan_macip_lens = rte_cpu_to_le_32(vlan_macip_lens);
492 ctx_txd->mss_l4len_idx = rte_cpu_to_le_32(mss_l4len_idx);
493 ctx_txd->seqnum_seed = seqnum_seed;
497 * Check which hardware context can be used. Use the existing match
498 * or create a new context descriptor.
500 static inline uint32_t
501 what_advctx_update(struct ixgbe_tx_queue *txq, uint64_t flags,
502 union ixgbe_tx_offload tx_offload)
504 /* If match with the current used context */
505 if (likely((txq->ctx_cache[txq->ctx_curr].flags == flags) &&
506 (txq->ctx_cache[txq->ctx_curr].tx_offload.data[0] ==
507 (txq->ctx_cache[txq->ctx_curr].tx_offload_mask.data[0]
508 & tx_offload.data[0])) &&
509 (txq->ctx_cache[txq->ctx_curr].tx_offload.data[1] ==
510 (txq->ctx_cache[txq->ctx_curr].tx_offload_mask.data[1]
511 & tx_offload.data[1]))))
512 return txq->ctx_curr;
514 /* What if match with the next context */
516 if (likely((txq->ctx_cache[txq->ctx_curr].flags == flags) &&
517 (txq->ctx_cache[txq->ctx_curr].tx_offload.data[0] ==
518 (txq->ctx_cache[txq->ctx_curr].tx_offload_mask.data[0]
519 & tx_offload.data[0])) &&
520 (txq->ctx_cache[txq->ctx_curr].tx_offload.data[1] ==
521 (txq->ctx_cache[txq->ctx_curr].tx_offload_mask.data[1]
522 & tx_offload.data[1]))))
523 return txq->ctx_curr;
525 /* Mismatch, use the previous context */
526 return IXGBE_CTX_NUM;
529 static inline uint32_t
530 tx_desc_cksum_flags_to_olinfo(uint64_t ol_flags)
534 if ((ol_flags & PKT_TX_L4_MASK) != PKT_TX_L4_NO_CKSUM)
535 tmp |= IXGBE_ADVTXD_POPTS_TXSM;
536 if (ol_flags & PKT_TX_IP_CKSUM)
537 tmp |= IXGBE_ADVTXD_POPTS_IXSM;
538 if (ol_flags & PKT_TX_TCP_SEG)
539 tmp |= IXGBE_ADVTXD_POPTS_TXSM;
543 static inline uint32_t
544 tx_desc_ol_flags_to_cmdtype(uint64_t ol_flags)
546 uint32_t cmdtype = 0;
548 if (ol_flags & PKT_TX_VLAN_PKT)
549 cmdtype |= IXGBE_ADVTXD_DCMD_VLE;
550 if (ol_flags & PKT_TX_TCP_SEG)
551 cmdtype |= IXGBE_ADVTXD_DCMD_TSE;
552 if (ol_flags & PKT_TX_OUTER_IP_CKSUM)
553 cmdtype |= (1 << IXGBE_ADVTXD_OUTERIPCS_SHIFT);
554 if (ol_flags & PKT_TX_MACSEC)
555 cmdtype |= IXGBE_ADVTXD_MAC_LINKSEC;
559 /* Default RS bit threshold values */
560 #ifndef DEFAULT_TX_RS_THRESH
561 #define DEFAULT_TX_RS_THRESH 32
563 #ifndef DEFAULT_TX_FREE_THRESH
564 #define DEFAULT_TX_FREE_THRESH 32
567 /* Reset transmit descriptors after they have been used */
569 ixgbe_xmit_cleanup(struct ixgbe_tx_queue *txq)
571 struct ixgbe_tx_entry *sw_ring = txq->sw_ring;
572 volatile union ixgbe_adv_tx_desc *txr = txq->tx_ring;
573 uint16_t last_desc_cleaned = txq->last_desc_cleaned;
574 uint16_t nb_tx_desc = txq->nb_tx_desc;
575 uint16_t desc_to_clean_to;
576 uint16_t nb_tx_to_clean;
579 /* Determine the last descriptor needing to be cleaned */
580 desc_to_clean_to = (uint16_t)(last_desc_cleaned + txq->tx_rs_thresh);
581 if (desc_to_clean_to >= nb_tx_desc)
582 desc_to_clean_to = (uint16_t)(desc_to_clean_to - nb_tx_desc);
584 /* Check to make sure the last descriptor to clean is done */
585 desc_to_clean_to = sw_ring[desc_to_clean_to].last_id;
586 status = txr[desc_to_clean_to].wb.status;
587 if (!(status & rte_cpu_to_le_32(IXGBE_TXD_STAT_DD))) {
588 PMD_TX_FREE_LOG(DEBUG,
589 "TX descriptor %4u is not done"
590 "(port=%d queue=%d)",
592 txq->port_id, txq->queue_id);
593 /* Failed to clean any descriptors, better luck next time */
597 /* Figure out how many descriptors will be cleaned */
598 if (last_desc_cleaned > desc_to_clean_to)
599 nb_tx_to_clean = (uint16_t)((nb_tx_desc - last_desc_cleaned) +
602 nb_tx_to_clean = (uint16_t)(desc_to_clean_to -
605 PMD_TX_FREE_LOG(DEBUG,
606 "Cleaning %4u TX descriptors: %4u to %4u "
607 "(port=%d queue=%d)",
608 nb_tx_to_clean, last_desc_cleaned, desc_to_clean_to,
609 txq->port_id, txq->queue_id);
612 * The last descriptor to clean is done, so that means all the
613 * descriptors from the last descriptor that was cleaned
614 * up to the last descriptor with the RS bit set
615 * are done. Only reset the threshold descriptor.
617 txr[desc_to_clean_to].wb.status = 0;
619 /* Update the txq to reflect the last descriptor that was cleaned */
620 txq->last_desc_cleaned = desc_to_clean_to;
621 txq->nb_tx_free = (uint16_t)(txq->nb_tx_free + nb_tx_to_clean);
628 ixgbe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
631 struct ixgbe_tx_queue *txq;
632 struct ixgbe_tx_entry *sw_ring;
633 struct ixgbe_tx_entry *txe, *txn;
634 volatile union ixgbe_adv_tx_desc *txr;
635 volatile union ixgbe_adv_tx_desc *txd, *txp;
636 struct rte_mbuf *tx_pkt;
637 struct rte_mbuf *m_seg;
638 uint64_t buf_dma_addr;
639 uint32_t olinfo_status;
640 uint32_t cmd_type_len;
651 union ixgbe_tx_offload tx_offload;
652 #ifdef RTE_LIBRTE_SECURITY
656 tx_offload.data[0] = 0;
657 tx_offload.data[1] = 0;
659 sw_ring = txq->sw_ring;
661 tx_id = txq->tx_tail;
662 txe = &sw_ring[tx_id];
665 /* Determine if the descriptor ring needs to be cleaned. */
666 if (txq->nb_tx_free < txq->tx_free_thresh)
667 ixgbe_xmit_cleanup(txq);
669 rte_prefetch0(&txe->mbuf->pool);
672 for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
675 pkt_len = tx_pkt->pkt_len;
678 * Determine how many (if any) context descriptors
679 * are needed for offload functionality.
681 ol_flags = tx_pkt->ol_flags;
682 #ifdef RTE_LIBRTE_SECURITY
683 use_ipsec = txq->using_ipsec && (ol_flags & PKT_TX_SEC_OFFLOAD);
686 /* If hardware offload required */
687 tx_ol_req = ol_flags & IXGBE_TX_OFFLOAD_MASK;
689 tx_offload.l2_len = tx_pkt->l2_len;
690 tx_offload.l3_len = tx_pkt->l3_len;
691 tx_offload.l4_len = tx_pkt->l4_len;
692 tx_offload.vlan_tci = tx_pkt->vlan_tci;
693 tx_offload.tso_segsz = tx_pkt->tso_segsz;
694 tx_offload.outer_l2_len = tx_pkt->outer_l2_len;
695 tx_offload.outer_l3_len = tx_pkt->outer_l3_len;
696 #ifdef RTE_LIBRTE_SECURITY
698 union ixgbe_crypto_tx_desc_md *ipsec_mdata =
699 (union ixgbe_crypto_tx_desc_md *)
701 tx_offload.sa_idx = ipsec_mdata->sa_idx;
702 tx_offload.sec_pad_len = ipsec_mdata->pad_len;
706 /* If new context need be built or reuse the exist ctx. */
707 ctx = what_advctx_update(txq, tx_ol_req,
709 /* Only allocate context descriptor if required*/
710 new_ctx = (ctx == IXGBE_CTX_NUM);
715 * Keep track of how many descriptors are used this loop
716 * This will always be the number of segments + the number of
717 * Context descriptors required to transmit the packet
719 nb_used = (uint16_t)(tx_pkt->nb_segs + new_ctx);
722 nb_used + txq->nb_tx_used >= txq->tx_rs_thresh)
723 /* set RS on the previous packet in the burst */
724 txp->read.cmd_type_len |=
725 rte_cpu_to_le_32(IXGBE_TXD_CMD_RS);
728 * The number of descriptors that must be allocated for a
729 * packet is the number of segments of that packet, plus 1
730 * Context Descriptor for the hardware offload, if any.
731 * Determine the last TX descriptor to allocate in the TX ring
732 * for the packet, starting from the current position (tx_id)
735 tx_last = (uint16_t) (tx_id + nb_used - 1);
738 if (tx_last >= txq->nb_tx_desc)
739 tx_last = (uint16_t) (tx_last - txq->nb_tx_desc);
741 PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u pktlen=%u"
742 " tx_first=%u tx_last=%u",
743 (unsigned) txq->port_id,
744 (unsigned) txq->queue_id,
750 * Make sure there are enough TX descriptors available to
751 * transmit the entire packet.
752 * nb_used better be less than or equal to txq->tx_rs_thresh
754 if (nb_used > txq->nb_tx_free) {
755 PMD_TX_FREE_LOG(DEBUG,
756 "Not enough free TX descriptors "
757 "nb_used=%4u nb_free=%4u "
758 "(port=%d queue=%d)",
759 nb_used, txq->nb_tx_free,
760 txq->port_id, txq->queue_id);
762 if (ixgbe_xmit_cleanup(txq) != 0) {
763 /* Could not clean any descriptors */
769 /* nb_used better be <= txq->tx_rs_thresh */
770 if (unlikely(nb_used > txq->tx_rs_thresh)) {
771 PMD_TX_FREE_LOG(DEBUG,
772 "The number of descriptors needed to "
773 "transmit the packet exceeds the "
774 "RS bit threshold. This will impact "
776 "nb_used=%4u nb_free=%4u "
778 "(port=%d queue=%d)",
779 nb_used, txq->nb_tx_free,
781 txq->port_id, txq->queue_id);
783 * Loop here until there are enough TX
784 * descriptors or until the ring cannot be
787 while (nb_used > txq->nb_tx_free) {
788 if (ixgbe_xmit_cleanup(txq) != 0) {
790 * Could not clean any
802 * By now there are enough free TX descriptors to transmit
807 * Set common flags of all TX Data Descriptors.
809 * The following bits must be set in all Data Descriptors:
810 * - IXGBE_ADVTXD_DTYP_DATA
811 * - IXGBE_ADVTXD_DCMD_DEXT
813 * The following bits must be set in the first Data Descriptor
814 * and are ignored in the other ones:
815 * - IXGBE_ADVTXD_DCMD_IFCS
816 * - IXGBE_ADVTXD_MAC_1588
817 * - IXGBE_ADVTXD_DCMD_VLE
819 * The following bits must only be set in the last Data
821 * - IXGBE_TXD_CMD_EOP
823 * The following bits can be set in any Data Descriptor, but
824 * are only set in the last Data Descriptor:
827 cmd_type_len = IXGBE_ADVTXD_DTYP_DATA |
828 IXGBE_ADVTXD_DCMD_IFCS | IXGBE_ADVTXD_DCMD_DEXT;
830 #ifdef RTE_LIBRTE_IEEE1588
831 if (ol_flags & PKT_TX_IEEE1588_TMST)
832 cmd_type_len |= IXGBE_ADVTXD_MAC_1588;
838 if (ol_flags & PKT_TX_TCP_SEG) {
839 /* when TSO is on, paylen in descriptor is the
840 * not the packet len but the tcp payload len */
841 pkt_len -= (tx_offload.l2_len +
842 tx_offload.l3_len + tx_offload.l4_len);
846 * Setup the TX Advanced Context Descriptor if required
849 volatile struct ixgbe_adv_tx_context_desc *
852 ctx_txd = (volatile struct
853 ixgbe_adv_tx_context_desc *)
856 txn = &sw_ring[txe->next_id];
857 rte_prefetch0(&txn->mbuf->pool);
859 if (txe->mbuf != NULL) {
860 rte_pktmbuf_free_seg(txe->mbuf);
864 ixgbe_set_xmit_ctx(txq, ctx_txd, tx_ol_req,
865 tx_offload, &tx_pkt->udata64);
867 txe->last_id = tx_last;
868 tx_id = txe->next_id;
873 * Setup the TX Advanced Data Descriptor,
874 * This path will go through
875 * whatever new/reuse the context descriptor
877 cmd_type_len |= tx_desc_ol_flags_to_cmdtype(ol_flags);
878 olinfo_status |= tx_desc_cksum_flags_to_olinfo(ol_flags);
879 olinfo_status |= ctx << IXGBE_ADVTXD_IDX_SHIFT;
882 olinfo_status |= (pkt_len << IXGBE_ADVTXD_PAYLEN_SHIFT);
883 #ifdef RTE_LIBRTE_SECURITY
885 olinfo_status |= IXGBE_ADVTXD_POPTS_IPSEC;
891 txn = &sw_ring[txe->next_id];
892 rte_prefetch0(&txn->mbuf->pool);
894 if (txe->mbuf != NULL)
895 rte_pktmbuf_free_seg(txe->mbuf);
899 * Set up Transmit Data Descriptor.
901 slen = m_seg->data_len;
902 buf_dma_addr = rte_mbuf_data_iova(m_seg);
903 txd->read.buffer_addr =
904 rte_cpu_to_le_64(buf_dma_addr);
905 txd->read.cmd_type_len =
906 rte_cpu_to_le_32(cmd_type_len | slen);
907 txd->read.olinfo_status =
908 rte_cpu_to_le_32(olinfo_status);
909 txe->last_id = tx_last;
910 tx_id = txe->next_id;
913 } while (m_seg != NULL);
916 * The last packet data descriptor needs End Of Packet (EOP)
918 cmd_type_len |= IXGBE_TXD_CMD_EOP;
919 txq->nb_tx_used = (uint16_t)(txq->nb_tx_used + nb_used);
920 txq->nb_tx_free = (uint16_t)(txq->nb_tx_free - nb_used);
922 /* Set RS bit only on threshold packets' last descriptor */
923 if (txq->nb_tx_used >= txq->tx_rs_thresh) {
924 PMD_TX_FREE_LOG(DEBUG,
925 "Setting RS bit on TXD id="
926 "%4u (port=%d queue=%d)",
927 tx_last, txq->port_id, txq->queue_id);
929 cmd_type_len |= IXGBE_TXD_CMD_RS;
931 /* Update txq RS bit counters */
937 txd->read.cmd_type_len |= rte_cpu_to_le_32(cmd_type_len);
941 /* set RS on last packet in the burst */
943 txp->read.cmd_type_len |= rte_cpu_to_le_32(IXGBE_TXD_CMD_RS);
948 * Set the Transmit Descriptor Tail (TDT)
950 PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u tx_tail=%u nb_tx=%u",
951 (unsigned) txq->port_id, (unsigned) txq->queue_id,
952 (unsigned) tx_id, (unsigned) nb_tx);
953 IXGBE_PCI_REG_WRITE_RELAXED(txq->tdt_reg_addr, tx_id);
954 txq->tx_tail = tx_id;
959 /*********************************************************************
963 **********************************************************************/
965 ixgbe_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
970 struct ixgbe_tx_queue *txq = (struct ixgbe_tx_queue *)tx_queue;
972 for (i = 0; i < nb_pkts; i++) {
974 ol_flags = m->ol_flags;
977 * Check if packet meets requirements for number of segments
979 * NOTE: for ixgbe it's always (40 - WTHRESH) for both TSO and
983 if (m->nb_segs > IXGBE_TX_MAX_SEG - txq->wthresh) {
988 if (ol_flags & IXGBE_TX_OFFLOAD_NOTSUP_MASK) {
989 rte_errno = -ENOTSUP;
993 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
994 ret = rte_validate_tx_offload(m);
1000 ret = rte_net_intel_cksum_prepare(m);
1010 /*********************************************************************
1014 **********************************************************************/
1016 #define IXGBE_PACKET_TYPE_ETHER 0X00
1017 #define IXGBE_PACKET_TYPE_IPV4 0X01
1018 #define IXGBE_PACKET_TYPE_IPV4_TCP 0X11
1019 #define IXGBE_PACKET_TYPE_IPV4_UDP 0X21
1020 #define IXGBE_PACKET_TYPE_IPV4_SCTP 0X41
1021 #define IXGBE_PACKET_TYPE_IPV4_EXT 0X03
1022 #define IXGBE_PACKET_TYPE_IPV4_EXT_TCP 0X13
1023 #define IXGBE_PACKET_TYPE_IPV4_EXT_UDP 0X23
1024 #define IXGBE_PACKET_TYPE_IPV4_EXT_SCTP 0X43
1025 #define IXGBE_PACKET_TYPE_IPV6 0X04
1026 #define IXGBE_PACKET_TYPE_IPV6_TCP 0X14
1027 #define IXGBE_PACKET_TYPE_IPV6_UDP 0X24
1028 #define IXGBE_PACKET_TYPE_IPV6_SCTP 0X44
1029 #define IXGBE_PACKET_TYPE_IPV6_EXT 0X0C
1030 #define IXGBE_PACKET_TYPE_IPV6_EXT_TCP 0X1C
1031 #define IXGBE_PACKET_TYPE_IPV6_EXT_UDP 0X2C
1032 #define IXGBE_PACKET_TYPE_IPV6_EXT_SCTP 0X4C
1033 #define IXGBE_PACKET_TYPE_IPV4_IPV6 0X05
1034 #define IXGBE_PACKET_TYPE_IPV4_IPV6_TCP 0X15
1035 #define IXGBE_PACKET_TYPE_IPV4_IPV6_UDP 0X25
1036 #define IXGBE_PACKET_TYPE_IPV4_IPV6_SCTP 0X45
1037 #define IXGBE_PACKET_TYPE_IPV4_EXT_IPV6 0X07
1038 #define IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_TCP 0X17
1039 #define IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_UDP 0X27
1040 #define IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_SCTP 0X47
1041 #define IXGBE_PACKET_TYPE_IPV4_IPV6_EXT 0X0D
1042 #define IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_TCP 0X1D
1043 #define IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_UDP 0X2D
1044 #define IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_SCTP 0X4D
1045 #define IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_EXT 0X0F
1046 #define IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_EXT_TCP 0X1F
1047 #define IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_EXT_UDP 0X2F
1048 #define IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_EXT_SCTP 0X4F
1050 #define IXGBE_PACKET_TYPE_NVGRE 0X00
1051 #define IXGBE_PACKET_TYPE_NVGRE_IPV4 0X01
1052 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_TCP 0X11
1053 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_UDP 0X21
1054 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_SCTP 0X41
1055 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_EXT 0X03
1056 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_EXT_TCP 0X13
1057 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_EXT_UDP 0X23
1058 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_EXT_SCTP 0X43
1059 #define IXGBE_PACKET_TYPE_NVGRE_IPV6 0X04
1060 #define IXGBE_PACKET_TYPE_NVGRE_IPV6_TCP 0X14
1061 #define IXGBE_PACKET_TYPE_NVGRE_IPV6_UDP 0X24
1062 #define IXGBE_PACKET_TYPE_NVGRE_IPV6_SCTP 0X44
1063 #define IXGBE_PACKET_TYPE_NVGRE_IPV6_EXT 0X0C
1064 #define IXGBE_PACKET_TYPE_NVGRE_IPV6_EXT_TCP 0X1C
1065 #define IXGBE_PACKET_TYPE_NVGRE_IPV6_EXT_UDP 0X2C
1066 #define IXGBE_PACKET_TYPE_NVGRE_IPV6_EXT_SCTP 0X4C
1067 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6 0X05
1068 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_TCP 0X15
1069 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_UDP 0X25
1070 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_EXT 0X0D
1071 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_EXT_TCP 0X1D
1072 #define IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_EXT_UDP 0X2D
1074 #define IXGBE_PACKET_TYPE_VXLAN 0X80
1075 #define IXGBE_PACKET_TYPE_VXLAN_IPV4 0X81
1076 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_TCP 0x91
1077 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_UDP 0xA1
1078 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_SCTP 0xC1
1079 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_EXT 0x83
1080 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_EXT_TCP 0X93
1081 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_EXT_UDP 0XA3
1082 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_EXT_SCTP 0XC3
1083 #define IXGBE_PACKET_TYPE_VXLAN_IPV6 0X84
1084 #define IXGBE_PACKET_TYPE_VXLAN_IPV6_TCP 0X94
1085 #define IXGBE_PACKET_TYPE_VXLAN_IPV6_UDP 0XA4
1086 #define IXGBE_PACKET_TYPE_VXLAN_IPV6_SCTP 0XC4
1087 #define IXGBE_PACKET_TYPE_VXLAN_IPV6_EXT 0X8C
1088 #define IXGBE_PACKET_TYPE_VXLAN_IPV6_EXT_TCP 0X9C
1089 #define IXGBE_PACKET_TYPE_VXLAN_IPV6_EXT_UDP 0XAC
1090 #define IXGBE_PACKET_TYPE_VXLAN_IPV6_EXT_SCTP 0XCC
1091 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6 0X85
1092 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_TCP 0X95
1093 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_UDP 0XA5
1094 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_EXT 0X8D
1095 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_EXT_TCP 0X9D
1096 #define IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_EXT_UDP 0XAD
1099 * Use 2 different table for normal packet and tunnel packet
1100 * to save the space.
1103 ptype_table[IXGBE_PACKET_TYPE_MAX] __rte_cache_aligned = {
1104 [IXGBE_PACKET_TYPE_ETHER] = RTE_PTYPE_L2_ETHER,
1105 [IXGBE_PACKET_TYPE_IPV4] = RTE_PTYPE_L2_ETHER |
1107 [IXGBE_PACKET_TYPE_IPV4_TCP] = RTE_PTYPE_L2_ETHER |
1108 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP,
1109 [IXGBE_PACKET_TYPE_IPV4_UDP] = RTE_PTYPE_L2_ETHER |
1110 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP,
1111 [IXGBE_PACKET_TYPE_IPV4_SCTP] = RTE_PTYPE_L2_ETHER |
1112 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP,
1113 [IXGBE_PACKET_TYPE_IPV4_EXT] = RTE_PTYPE_L2_ETHER |
1114 RTE_PTYPE_L3_IPV4_EXT,
1115 [IXGBE_PACKET_TYPE_IPV4_EXT_TCP] = RTE_PTYPE_L2_ETHER |
1116 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_TCP,
1117 [IXGBE_PACKET_TYPE_IPV4_EXT_UDP] = RTE_PTYPE_L2_ETHER |
1118 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_UDP,
1119 [IXGBE_PACKET_TYPE_IPV4_EXT_SCTP] = RTE_PTYPE_L2_ETHER |
1120 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_SCTP,
1121 [IXGBE_PACKET_TYPE_IPV6] = RTE_PTYPE_L2_ETHER |
1123 [IXGBE_PACKET_TYPE_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
1124 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP,
1125 [IXGBE_PACKET_TYPE_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
1126 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP,
1127 [IXGBE_PACKET_TYPE_IPV6_SCTP] = RTE_PTYPE_L2_ETHER |
1128 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_SCTP,
1129 [IXGBE_PACKET_TYPE_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
1130 RTE_PTYPE_L3_IPV6_EXT,
1131 [IXGBE_PACKET_TYPE_IPV6_EXT_TCP] = RTE_PTYPE_L2_ETHER |
1132 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_TCP,
1133 [IXGBE_PACKET_TYPE_IPV6_EXT_UDP] = RTE_PTYPE_L2_ETHER |
1134 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_UDP,
1135 [IXGBE_PACKET_TYPE_IPV6_EXT_SCTP] = RTE_PTYPE_L2_ETHER |
1136 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_SCTP,
1137 [IXGBE_PACKET_TYPE_IPV4_IPV6] = RTE_PTYPE_L2_ETHER |
1138 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
1139 RTE_PTYPE_INNER_L3_IPV6,
1140 [IXGBE_PACKET_TYPE_IPV4_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
1141 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
1142 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_TCP,
1143 [IXGBE_PACKET_TYPE_IPV4_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
1144 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
1145 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_UDP,
1146 [IXGBE_PACKET_TYPE_IPV4_IPV6_SCTP] = RTE_PTYPE_L2_ETHER |
1147 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
1148 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_SCTP,
1149 [IXGBE_PACKET_TYPE_IPV4_EXT_IPV6] = RTE_PTYPE_L2_ETHER |
1150 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_IP |
1151 RTE_PTYPE_INNER_L3_IPV6,
1152 [IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
1153 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_IP |
1154 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_TCP,
1155 [IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
1156 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_IP |
1157 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_UDP,
1158 [IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_SCTP] = RTE_PTYPE_L2_ETHER |
1159 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_IP |
1160 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_SCTP,
1161 [IXGBE_PACKET_TYPE_IPV4_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
1162 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
1163 RTE_PTYPE_INNER_L3_IPV6_EXT,
1164 [IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_TCP] = RTE_PTYPE_L2_ETHER |
1165 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
1166 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_TCP,
1167 [IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_UDP] = RTE_PTYPE_L2_ETHER |
1168 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
1169 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_UDP,
1170 [IXGBE_PACKET_TYPE_IPV4_IPV6_EXT_SCTP] = RTE_PTYPE_L2_ETHER |
1171 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_IP |
1172 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_SCTP,
1173 [IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
1174 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_IP |
1175 RTE_PTYPE_INNER_L3_IPV6_EXT,
1176 [IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_EXT_TCP] = RTE_PTYPE_L2_ETHER |
1177 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_IP |
1178 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_TCP,
1179 [IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_EXT_UDP] = RTE_PTYPE_L2_ETHER |
1180 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_IP |
1181 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_UDP,
1182 [IXGBE_PACKET_TYPE_IPV4_EXT_IPV6_EXT_SCTP] =
1183 RTE_PTYPE_L2_ETHER |
1184 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_TUNNEL_IP |
1185 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_SCTP,
1189 ptype_table_tn[IXGBE_PACKET_TYPE_TN_MAX] __rte_cache_aligned = {
1190 [IXGBE_PACKET_TYPE_NVGRE] = RTE_PTYPE_L2_ETHER |
1191 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1192 RTE_PTYPE_INNER_L2_ETHER,
1193 [IXGBE_PACKET_TYPE_NVGRE_IPV4] = RTE_PTYPE_L2_ETHER |
1194 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1195 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4,
1196 [IXGBE_PACKET_TYPE_NVGRE_IPV4_EXT] = RTE_PTYPE_L2_ETHER |
1197 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1198 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT,
1199 [IXGBE_PACKET_TYPE_NVGRE_IPV6] = RTE_PTYPE_L2_ETHER |
1200 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1201 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6,
1202 [IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6] = RTE_PTYPE_L2_ETHER |
1203 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1204 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4,
1205 [IXGBE_PACKET_TYPE_NVGRE_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
1206 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1207 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT,
1208 [IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
1209 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1210 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4,
1211 [IXGBE_PACKET_TYPE_NVGRE_IPV4_TCP] = RTE_PTYPE_L2_ETHER |
1212 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1213 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4 |
1214 RTE_PTYPE_INNER_L4_TCP,
1215 [IXGBE_PACKET_TYPE_NVGRE_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
1216 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1217 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6 |
1218 RTE_PTYPE_INNER_L4_TCP,
1219 [IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
1220 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1221 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4,
1222 [IXGBE_PACKET_TYPE_NVGRE_IPV6_EXT_TCP] = RTE_PTYPE_L2_ETHER |
1223 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1224 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT |
1225 RTE_PTYPE_INNER_L4_TCP,
1226 [IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_EXT_TCP] =
1227 RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
1228 RTE_PTYPE_TUNNEL_GRE | RTE_PTYPE_INNER_L2_ETHER |
1229 RTE_PTYPE_INNER_L3_IPV4,
1230 [IXGBE_PACKET_TYPE_NVGRE_IPV4_UDP] = RTE_PTYPE_L2_ETHER |
1231 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1232 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4 |
1233 RTE_PTYPE_INNER_L4_UDP,
1234 [IXGBE_PACKET_TYPE_NVGRE_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
1235 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1236 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6 |
1237 RTE_PTYPE_INNER_L4_UDP,
1238 [IXGBE_PACKET_TYPE_NVGRE_IPV6_SCTP] = RTE_PTYPE_L2_ETHER |
1239 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1240 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6 |
1241 RTE_PTYPE_INNER_L4_SCTP,
1242 [IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
1243 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1244 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4,
1245 [IXGBE_PACKET_TYPE_NVGRE_IPV6_EXT_UDP] = RTE_PTYPE_L2_ETHER |
1246 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1247 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT |
1248 RTE_PTYPE_INNER_L4_UDP,
1249 [IXGBE_PACKET_TYPE_NVGRE_IPV6_EXT_SCTP] = RTE_PTYPE_L2_ETHER |
1250 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1251 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV6_EXT |
1252 RTE_PTYPE_INNER_L4_SCTP,
1253 [IXGBE_PACKET_TYPE_NVGRE_IPV4_IPV6_EXT_UDP] =
1254 RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
1255 RTE_PTYPE_TUNNEL_GRE | RTE_PTYPE_INNER_L2_ETHER |
1256 RTE_PTYPE_INNER_L3_IPV4,
1257 [IXGBE_PACKET_TYPE_NVGRE_IPV4_SCTP] = RTE_PTYPE_L2_ETHER |
1258 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1259 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4 |
1260 RTE_PTYPE_INNER_L4_SCTP,
1261 [IXGBE_PACKET_TYPE_NVGRE_IPV4_EXT_SCTP] = RTE_PTYPE_L2_ETHER |
1262 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1263 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT |
1264 RTE_PTYPE_INNER_L4_SCTP,
1265 [IXGBE_PACKET_TYPE_NVGRE_IPV4_EXT_TCP] = RTE_PTYPE_L2_ETHER |
1266 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1267 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT |
1268 RTE_PTYPE_INNER_L4_TCP,
1269 [IXGBE_PACKET_TYPE_NVGRE_IPV4_EXT_UDP] = RTE_PTYPE_L2_ETHER |
1270 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_TUNNEL_GRE |
1271 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4_EXT |
1272 RTE_PTYPE_INNER_L4_UDP,
1274 [IXGBE_PACKET_TYPE_VXLAN] = RTE_PTYPE_L2_ETHER |
1275 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1276 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER,
1277 [IXGBE_PACKET_TYPE_VXLAN_IPV4] = RTE_PTYPE_L2_ETHER |
1278 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1279 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1280 RTE_PTYPE_INNER_L3_IPV4,
1281 [IXGBE_PACKET_TYPE_VXLAN_IPV4_EXT] = RTE_PTYPE_L2_ETHER |
1282 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1283 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1284 RTE_PTYPE_INNER_L3_IPV4_EXT,
1285 [IXGBE_PACKET_TYPE_VXLAN_IPV6] = RTE_PTYPE_L2_ETHER |
1286 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1287 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1288 RTE_PTYPE_INNER_L3_IPV6,
1289 [IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6] = RTE_PTYPE_L2_ETHER |
1290 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1291 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1292 RTE_PTYPE_INNER_L3_IPV4,
1293 [IXGBE_PACKET_TYPE_VXLAN_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
1294 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1295 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1296 RTE_PTYPE_INNER_L3_IPV6_EXT,
1297 [IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_EXT] = RTE_PTYPE_L2_ETHER |
1298 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1299 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1300 RTE_PTYPE_INNER_L3_IPV4,
1301 [IXGBE_PACKET_TYPE_VXLAN_IPV4_TCP] = RTE_PTYPE_L2_ETHER |
1302 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1303 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1304 RTE_PTYPE_INNER_L3_IPV4 | RTE_PTYPE_INNER_L4_TCP,
1305 [IXGBE_PACKET_TYPE_VXLAN_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
1306 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1307 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1308 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_TCP,
1309 [IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_TCP] = RTE_PTYPE_L2_ETHER |
1310 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1311 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1312 RTE_PTYPE_INNER_L3_IPV4,
1313 [IXGBE_PACKET_TYPE_VXLAN_IPV6_EXT_TCP] = RTE_PTYPE_L2_ETHER |
1314 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1315 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1316 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_TCP,
1317 [IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_EXT_TCP] =
1318 RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
1319 RTE_PTYPE_L4_UDP | RTE_PTYPE_TUNNEL_VXLAN |
1320 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4,
1321 [IXGBE_PACKET_TYPE_VXLAN_IPV4_UDP] = RTE_PTYPE_L2_ETHER |
1322 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1323 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1324 RTE_PTYPE_INNER_L3_IPV4 | RTE_PTYPE_INNER_L4_UDP,
1325 [IXGBE_PACKET_TYPE_VXLAN_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
1326 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1327 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1328 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_UDP,
1329 [IXGBE_PACKET_TYPE_VXLAN_IPV6_SCTP] = RTE_PTYPE_L2_ETHER |
1330 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1331 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1332 RTE_PTYPE_INNER_L3_IPV6 | RTE_PTYPE_INNER_L4_SCTP,
1333 [IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_UDP] = RTE_PTYPE_L2_ETHER |
1334 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1335 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1336 RTE_PTYPE_INNER_L3_IPV4,
1337 [IXGBE_PACKET_TYPE_VXLAN_IPV6_EXT_UDP] = RTE_PTYPE_L2_ETHER |
1338 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1339 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1340 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_UDP,
1341 [IXGBE_PACKET_TYPE_VXLAN_IPV6_EXT_SCTP] = RTE_PTYPE_L2_ETHER |
1342 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1343 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1344 RTE_PTYPE_INNER_L3_IPV6_EXT | RTE_PTYPE_INNER_L4_SCTP,
1345 [IXGBE_PACKET_TYPE_VXLAN_IPV4_IPV6_EXT_UDP] =
1346 RTE_PTYPE_L2_ETHER | RTE_PTYPE_L3_IPV4_EXT_UNKNOWN |
1347 RTE_PTYPE_L4_UDP | RTE_PTYPE_TUNNEL_VXLAN |
1348 RTE_PTYPE_INNER_L2_ETHER | RTE_PTYPE_INNER_L3_IPV4,
1349 [IXGBE_PACKET_TYPE_VXLAN_IPV4_SCTP] = RTE_PTYPE_L2_ETHER |
1350 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1351 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1352 RTE_PTYPE_INNER_L3_IPV4 | RTE_PTYPE_INNER_L4_SCTP,
1353 [IXGBE_PACKET_TYPE_VXLAN_IPV4_EXT_SCTP] = RTE_PTYPE_L2_ETHER |
1354 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1355 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1356 RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_SCTP,
1357 [IXGBE_PACKET_TYPE_VXLAN_IPV4_EXT_TCP] = RTE_PTYPE_L2_ETHER |
1358 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1359 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1360 RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_TCP,
1361 [IXGBE_PACKET_TYPE_VXLAN_IPV4_EXT_UDP] = RTE_PTYPE_L2_ETHER |
1362 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP |
1363 RTE_PTYPE_TUNNEL_VXLAN | RTE_PTYPE_INNER_L2_ETHER |
1364 RTE_PTYPE_INNER_L3_IPV4_EXT | RTE_PTYPE_INNER_L4_UDP,
1367 /* @note: fix ixgbe_dev_supported_ptypes_get() if any change here. */
1368 static inline uint32_t
1369 ixgbe_rxd_pkt_info_to_pkt_type(uint32_t pkt_info, uint16_t ptype_mask)
1372 if (unlikely(pkt_info & IXGBE_RXDADV_PKTTYPE_ETQF))
1373 return RTE_PTYPE_UNKNOWN;
1375 pkt_info = (pkt_info >> IXGBE_PACKET_TYPE_SHIFT) & ptype_mask;
1377 /* For tunnel packet */
1378 if (pkt_info & IXGBE_PACKET_TYPE_TUNNEL_BIT) {
1379 /* Remove the tunnel bit to save the space. */
1380 pkt_info &= IXGBE_PACKET_TYPE_MASK_TUNNEL;
1381 return ptype_table_tn[pkt_info];
1385 * For x550, if it's not tunnel,
1386 * tunnel type bit should be set to 0.
1387 * Reuse 82599's mask.
1389 pkt_info &= IXGBE_PACKET_TYPE_MASK_82599;
1391 return ptype_table[pkt_info];
1394 static inline uint64_t
1395 ixgbe_rxd_pkt_info_to_pkt_flags(uint16_t pkt_info)
1397 static uint64_t ip_rss_types_map[16] __rte_cache_aligned = {
1398 0, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH, PKT_RX_RSS_HASH,
1399 0, PKT_RX_RSS_HASH, 0, PKT_RX_RSS_HASH,
1400 PKT_RX_RSS_HASH, 0, 0, 0,
1401 0, 0, 0, PKT_RX_FDIR,
1403 #ifdef RTE_LIBRTE_IEEE1588
1404 static uint64_t ip_pkt_etqf_map[8] = {
1405 0, 0, 0, PKT_RX_IEEE1588_PTP,
1409 if (likely(pkt_info & IXGBE_RXDADV_PKTTYPE_ETQF))
1410 return ip_pkt_etqf_map[(pkt_info >> 4) & 0X07] |
1411 ip_rss_types_map[pkt_info & 0XF];
1413 return ip_rss_types_map[pkt_info & 0XF];
1415 return ip_rss_types_map[pkt_info & 0XF];
1419 static inline uint64_t
1420 rx_desc_status_to_pkt_flags(uint32_t rx_status, uint64_t vlan_flags)
1425 * Check if VLAN present only.
1426 * Do not check whether L3/L4 rx checksum done by NIC or not,
1427 * That can be found from rte_eth_rxmode.offloads flag
1429 pkt_flags = (rx_status & IXGBE_RXD_STAT_VP) ? vlan_flags : 0;
1431 #ifdef RTE_LIBRTE_IEEE1588
1432 if (rx_status & IXGBE_RXD_STAT_TMST)
1433 pkt_flags = pkt_flags | PKT_RX_IEEE1588_TMST;
1438 static inline uint64_t
1439 rx_desc_error_to_pkt_flags(uint32_t rx_status)
1444 * Bit 31: IPE, IPv4 checksum error
1445 * Bit 30: L4I, L4I integrity error
1447 static uint64_t error_to_pkt_flags_map[4] = {
1448 PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD,
1449 PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
1450 PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD,
1451 PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD
1453 pkt_flags = error_to_pkt_flags_map[(rx_status >>
1454 IXGBE_RXDADV_ERR_CKSUM_BIT) & IXGBE_RXDADV_ERR_CKSUM_MSK];
1456 if ((rx_status & IXGBE_RXD_STAT_OUTERIPCS) &&
1457 (rx_status & IXGBE_RXDADV_ERR_OUTERIPER)) {
1458 pkt_flags |= PKT_RX_EIP_CKSUM_BAD;
1461 #ifdef RTE_LIBRTE_SECURITY
1462 if (rx_status & IXGBE_RXD_STAT_SECP) {
1463 pkt_flags |= PKT_RX_SEC_OFFLOAD;
1464 if (rx_status & IXGBE_RXDADV_LNKSEC_ERROR_BAD_SIG)
1465 pkt_flags |= PKT_RX_SEC_OFFLOAD_FAILED;
1473 * LOOK_AHEAD defines how many desc statuses to check beyond the
1474 * current descriptor.
1475 * It must be a pound define for optimal performance.
1476 * Do not change the value of LOOK_AHEAD, as the ixgbe_rx_scan_hw_ring
1477 * function only works with LOOK_AHEAD=8.
1479 #define LOOK_AHEAD 8
1480 #if (LOOK_AHEAD != 8)
1481 #error "PMD IXGBE: LOOK_AHEAD must be 8\n"
1484 ixgbe_rx_scan_hw_ring(struct ixgbe_rx_queue *rxq)
1486 volatile union ixgbe_adv_rx_desc *rxdp;
1487 struct ixgbe_rx_entry *rxep;
1488 struct rte_mbuf *mb;
1492 uint32_t s[LOOK_AHEAD];
1493 uint32_t pkt_info[LOOK_AHEAD];
1494 int i, j, nb_rx = 0;
1496 uint64_t vlan_flags = rxq->vlan_flags;
1498 /* get references to current descriptor and S/W ring entry */
1499 rxdp = &rxq->rx_ring[rxq->rx_tail];
1500 rxep = &rxq->sw_ring[rxq->rx_tail];
1502 status = rxdp->wb.upper.status_error;
1503 /* check to make sure there is at least 1 packet to receive */
1504 if (!(status & rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD)))
1508 * Scan LOOK_AHEAD descriptors at a time to determine which descriptors
1509 * reference packets that are ready to be received.
1511 for (i = 0; i < RTE_PMD_IXGBE_RX_MAX_BURST;
1512 i += LOOK_AHEAD, rxdp += LOOK_AHEAD, rxep += LOOK_AHEAD) {
1513 /* Read desc statuses backwards to avoid race condition */
1514 for (j = 0; j < LOOK_AHEAD; j++)
1515 s[j] = rte_le_to_cpu_32(rxdp[j].wb.upper.status_error);
1519 /* Compute how many status bits were set */
1520 for (nb_dd = 0; nb_dd < LOOK_AHEAD &&
1521 (s[nb_dd] & IXGBE_RXDADV_STAT_DD); nb_dd++)
1524 for (j = 0; j < nb_dd; j++)
1525 pkt_info[j] = rte_le_to_cpu_32(rxdp[j].wb.lower.
1530 /* Translate descriptor info to mbuf format */
1531 for (j = 0; j < nb_dd; ++j) {
1533 pkt_len = rte_le_to_cpu_16(rxdp[j].wb.upper.length) -
1535 mb->data_len = pkt_len;
1536 mb->pkt_len = pkt_len;
1537 mb->vlan_tci = rte_le_to_cpu_16(rxdp[j].wb.upper.vlan);
1539 /* convert descriptor fields to rte mbuf flags */
1540 pkt_flags = rx_desc_status_to_pkt_flags(s[j],
1542 pkt_flags |= rx_desc_error_to_pkt_flags(s[j]);
1543 pkt_flags |= ixgbe_rxd_pkt_info_to_pkt_flags
1544 ((uint16_t)pkt_info[j]);
1545 mb->ol_flags = pkt_flags;
1547 ixgbe_rxd_pkt_info_to_pkt_type
1548 (pkt_info[j], rxq->pkt_type_mask);
1550 if (likely(pkt_flags & PKT_RX_RSS_HASH))
1551 mb->hash.rss = rte_le_to_cpu_32(
1552 rxdp[j].wb.lower.hi_dword.rss);
1553 else if (pkt_flags & PKT_RX_FDIR) {
1554 mb->hash.fdir.hash = rte_le_to_cpu_16(
1555 rxdp[j].wb.lower.hi_dword.csum_ip.csum) &
1556 IXGBE_ATR_HASH_MASK;
1557 mb->hash.fdir.id = rte_le_to_cpu_16(
1558 rxdp[j].wb.lower.hi_dword.csum_ip.ip_id);
1562 /* Move mbuf pointers from the S/W ring to the stage */
1563 for (j = 0; j < LOOK_AHEAD; ++j) {
1564 rxq->rx_stage[i + j] = rxep[j].mbuf;
1567 /* stop if all requested packets could not be received */
1568 if (nb_dd != LOOK_AHEAD)
1572 /* clear software ring entries so we can cleanup correctly */
1573 for (i = 0; i < nb_rx; ++i) {
1574 rxq->sw_ring[rxq->rx_tail + i].mbuf = NULL;
1582 ixgbe_rx_alloc_bufs(struct ixgbe_rx_queue *rxq, bool reset_mbuf)
1584 volatile union ixgbe_adv_rx_desc *rxdp;
1585 struct ixgbe_rx_entry *rxep;
1586 struct rte_mbuf *mb;
1591 /* allocate buffers in bulk directly into the S/W ring */
1592 alloc_idx = rxq->rx_free_trigger - (rxq->rx_free_thresh - 1);
1593 rxep = &rxq->sw_ring[alloc_idx];
1594 diag = rte_mempool_get_bulk(rxq->mb_pool, (void *)rxep,
1595 rxq->rx_free_thresh);
1596 if (unlikely(diag != 0))
1599 rxdp = &rxq->rx_ring[alloc_idx];
1600 for (i = 0; i < rxq->rx_free_thresh; ++i) {
1601 /* populate the static rte mbuf fields */
1604 mb->port = rxq->port_id;
1607 rte_mbuf_refcnt_set(mb, 1);
1608 mb->data_off = RTE_PKTMBUF_HEADROOM;
1610 /* populate the descriptors */
1611 dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mb));
1612 rxdp[i].read.hdr_addr = 0;
1613 rxdp[i].read.pkt_addr = dma_addr;
1616 /* update state of internal queue structure */
1617 rxq->rx_free_trigger = rxq->rx_free_trigger + rxq->rx_free_thresh;
1618 if (rxq->rx_free_trigger >= rxq->nb_rx_desc)
1619 rxq->rx_free_trigger = rxq->rx_free_thresh - 1;
1625 static inline uint16_t
1626 ixgbe_rx_fill_from_stage(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts,
1629 struct rte_mbuf **stage = &rxq->rx_stage[rxq->rx_next_avail];
1632 /* how many packets are ready to return? */
1633 nb_pkts = (uint16_t)RTE_MIN(nb_pkts, rxq->rx_nb_avail);
1635 /* copy mbuf pointers to the application's packet list */
1636 for (i = 0; i < nb_pkts; ++i)
1637 rx_pkts[i] = stage[i];
1639 /* update internal queue state */
1640 rxq->rx_nb_avail = (uint16_t)(rxq->rx_nb_avail - nb_pkts);
1641 rxq->rx_next_avail = (uint16_t)(rxq->rx_next_avail + nb_pkts);
1646 static inline uint16_t
1647 rx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
1650 struct ixgbe_rx_queue *rxq = (struct ixgbe_rx_queue *)rx_queue;
1653 /* Any previously recv'd pkts will be returned from the Rx stage */
1654 if (rxq->rx_nb_avail)
1655 return ixgbe_rx_fill_from_stage(rxq, rx_pkts, nb_pkts);
1657 /* Scan the H/W ring for packets to receive */
1658 nb_rx = (uint16_t)ixgbe_rx_scan_hw_ring(rxq);
1660 /* update internal queue state */
1661 rxq->rx_next_avail = 0;
1662 rxq->rx_nb_avail = nb_rx;
1663 rxq->rx_tail = (uint16_t)(rxq->rx_tail + nb_rx);
1665 /* if required, allocate new buffers to replenish descriptors */
1666 if (rxq->rx_tail > rxq->rx_free_trigger) {
1667 uint16_t cur_free_trigger = rxq->rx_free_trigger;
1669 if (ixgbe_rx_alloc_bufs(rxq, true) != 0) {
1672 PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
1673 "queue_id=%u", (unsigned) rxq->port_id,
1674 (unsigned) rxq->queue_id);
1676 rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed +=
1677 rxq->rx_free_thresh;
1680 * Need to rewind any previous receives if we cannot
1681 * allocate new buffers to replenish the old ones.
1683 rxq->rx_nb_avail = 0;
1684 rxq->rx_tail = (uint16_t)(rxq->rx_tail - nb_rx);
1685 for (i = 0, j = rxq->rx_tail; i < nb_rx; ++i, ++j)
1686 rxq->sw_ring[j].mbuf = rxq->rx_stage[i];
1691 /* update tail pointer */
1693 IXGBE_PCI_REG_WRITE_RELAXED(rxq->rdt_reg_addr,
1697 if (rxq->rx_tail >= rxq->nb_rx_desc)
1700 /* received any packets this loop? */
1701 if (rxq->rx_nb_avail)
1702 return ixgbe_rx_fill_from_stage(rxq, rx_pkts, nb_pkts);
1707 /* split requests into chunks of size RTE_PMD_IXGBE_RX_MAX_BURST */
1709 ixgbe_recv_pkts_bulk_alloc(void *rx_queue, struct rte_mbuf **rx_pkts,
1714 if (unlikely(nb_pkts == 0))
1717 if (likely(nb_pkts <= RTE_PMD_IXGBE_RX_MAX_BURST))
1718 return rx_recv_pkts(rx_queue, rx_pkts, nb_pkts);
1720 /* request is relatively large, chunk it up */
1725 n = (uint16_t)RTE_MIN(nb_pkts, RTE_PMD_IXGBE_RX_MAX_BURST);
1726 ret = rx_recv_pkts(rx_queue, &rx_pkts[nb_rx], n);
1727 nb_rx = (uint16_t)(nb_rx + ret);
1728 nb_pkts = (uint16_t)(nb_pkts - ret);
1737 ixgbe_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
1740 struct ixgbe_rx_queue *rxq;
1741 volatile union ixgbe_adv_rx_desc *rx_ring;
1742 volatile union ixgbe_adv_rx_desc *rxdp;
1743 struct ixgbe_rx_entry *sw_ring;
1744 struct ixgbe_rx_entry *rxe;
1745 struct rte_mbuf *rxm;
1746 struct rte_mbuf *nmb;
1747 union ixgbe_adv_rx_desc rxd;
1756 uint64_t vlan_flags;
1761 rx_id = rxq->rx_tail;
1762 rx_ring = rxq->rx_ring;
1763 sw_ring = rxq->sw_ring;
1764 vlan_flags = rxq->vlan_flags;
1765 while (nb_rx < nb_pkts) {
1767 * The order of operations here is important as the DD status
1768 * bit must not be read after any other descriptor fields.
1769 * rx_ring and rxdp are pointing to volatile data so the order
1770 * of accesses cannot be reordered by the compiler. If they were
1771 * not volatile, they could be reordered which could lead to
1772 * using invalid descriptor fields when read from rxd.
1774 rxdp = &rx_ring[rx_id];
1775 staterr = rxdp->wb.upper.status_error;
1776 if (!(staterr & rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD)))
1783 * If the IXGBE_RXDADV_STAT_EOP flag is not set, the RX packet
1784 * is likely to be invalid and to be dropped by the various
1785 * validation checks performed by the network stack.
1787 * Allocate a new mbuf to replenish the RX ring descriptor.
1788 * If the allocation fails:
1789 * - arrange for that RX descriptor to be the first one
1790 * being parsed the next time the receive function is
1791 * invoked [on the same queue].
1793 * - Stop parsing the RX ring and return immediately.
1795 * This policy do not drop the packet received in the RX
1796 * descriptor for which the allocation of a new mbuf failed.
1797 * Thus, it allows that packet to be later retrieved if
1798 * mbuf have been freed in the mean time.
1799 * As a side effect, holding RX descriptors instead of
1800 * systematically giving them back to the NIC may lead to
1801 * RX ring exhaustion situations.
1802 * However, the NIC can gracefully prevent such situations
1803 * to happen by sending specific "back-pressure" flow control
1804 * frames to its peer(s).
1806 PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_id=%u "
1807 "ext_err_stat=0x%08x pkt_len=%u",
1808 (unsigned) rxq->port_id, (unsigned) rxq->queue_id,
1809 (unsigned) rx_id, (unsigned) staterr,
1810 (unsigned) rte_le_to_cpu_16(rxd.wb.upper.length));
1812 nmb = rte_mbuf_raw_alloc(rxq->mb_pool);
1814 PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
1815 "queue_id=%u", (unsigned) rxq->port_id,
1816 (unsigned) rxq->queue_id);
1817 rte_eth_devices[rxq->port_id].data->rx_mbuf_alloc_failed++;
1822 rxe = &sw_ring[rx_id];
1824 if (rx_id == rxq->nb_rx_desc)
1827 /* Prefetch next mbuf while processing current one. */
1828 rte_ixgbe_prefetch(sw_ring[rx_id].mbuf);
1831 * When next RX descriptor is on a cache-line boundary,
1832 * prefetch the next 4 RX descriptors and the next 8 pointers
1835 if ((rx_id & 0x3) == 0) {
1836 rte_ixgbe_prefetch(&rx_ring[rx_id]);
1837 rte_ixgbe_prefetch(&sw_ring[rx_id]);
1843 rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb));
1844 rxdp->read.hdr_addr = 0;
1845 rxdp->read.pkt_addr = dma_addr;
1848 * Initialize the returned mbuf.
1849 * 1) setup generic mbuf fields:
1850 * - number of segments,
1853 * - RX port identifier.
1854 * 2) integrate hardware offload data, if any:
1855 * - RSS flag & hash,
1856 * - IP checksum flag,
1857 * - VLAN TCI, if any,
1860 pkt_len = (uint16_t) (rte_le_to_cpu_16(rxd.wb.upper.length) -
1862 rxm->data_off = RTE_PKTMBUF_HEADROOM;
1863 rte_packet_prefetch((char *)rxm->buf_addr + rxm->data_off);
1866 rxm->pkt_len = pkt_len;
1867 rxm->data_len = pkt_len;
1868 rxm->port = rxq->port_id;
1870 pkt_info = rte_le_to_cpu_32(rxd.wb.lower.lo_dword.data);
1871 /* Only valid if PKT_RX_VLAN set in pkt_flags */
1872 rxm->vlan_tci = rte_le_to_cpu_16(rxd.wb.upper.vlan);
1874 pkt_flags = rx_desc_status_to_pkt_flags(staterr, vlan_flags);
1875 pkt_flags = pkt_flags | rx_desc_error_to_pkt_flags(staterr);
1876 pkt_flags = pkt_flags |
1877 ixgbe_rxd_pkt_info_to_pkt_flags((uint16_t)pkt_info);
1878 rxm->ol_flags = pkt_flags;
1880 ixgbe_rxd_pkt_info_to_pkt_type(pkt_info,
1881 rxq->pkt_type_mask);
1883 if (likely(pkt_flags & PKT_RX_RSS_HASH))
1884 rxm->hash.rss = rte_le_to_cpu_32(
1885 rxd.wb.lower.hi_dword.rss);
1886 else if (pkt_flags & PKT_RX_FDIR) {
1887 rxm->hash.fdir.hash = rte_le_to_cpu_16(
1888 rxd.wb.lower.hi_dword.csum_ip.csum) &
1889 IXGBE_ATR_HASH_MASK;
1890 rxm->hash.fdir.id = rte_le_to_cpu_16(
1891 rxd.wb.lower.hi_dword.csum_ip.ip_id);
1894 * Store the mbuf address into the next entry of the array
1895 * of returned packets.
1897 rx_pkts[nb_rx++] = rxm;
1899 rxq->rx_tail = rx_id;
1902 * If the number of free RX descriptors is greater than the RX free
1903 * threshold of the queue, advance the Receive Descriptor Tail (RDT)
1905 * Update the RDT with the value of the last processed RX descriptor
1906 * minus 1, to guarantee that the RDT register is never equal to the
1907 * RDH register, which creates a "full" ring situtation from the
1908 * hardware point of view...
1910 nb_hold = (uint16_t) (nb_hold + rxq->nb_rx_hold);
1911 if (nb_hold > rxq->rx_free_thresh) {
1912 PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_tail=%u "
1913 "nb_hold=%u nb_rx=%u",
1914 (unsigned) rxq->port_id, (unsigned) rxq->queue_id,
1915 (unsigned) rx_id, (unsigned) nb_hold,
1917 rx_id = (uint16_t) ((rx_id == 0) ?
1918 (rxq->nb_rx_desc - 1) : (rx_id - 1));
1919 IXGBE_PCI_REG_WRITE(rxq->rdt_reg_addr, rx_id);
1922 rxq->nb_rx_hold = nb_hold;
1927 * Detect an RSC descriptor.
1929 static inline uint32_t
1930 ixgbe_rsc_count(union ixgbe_adv_rx_desc *rx)
1932 return (rte_le_to_cpu_32(rx->wb.lower.lo_dword.data) &
1933 IXGBE_RXDADV_RSCCNT_MASK) >> IXGBE_RXDADV_RSCCNT_SHIFT;
1937 * ixgbe_fill_cluster_head_buf - fill the first mbuf of the returned packet
1939 * Fill the following info in the HEAD buffer of the Rx cluster:
1940 * - RX port identifier
1941 * - hardware offload data, if any:
1943 * - IP checksum flag
1944 * - VLAN TCI, if any
1946 * @head HEAD of the packet cluster
1947 * @desc HW descriptor to get data from
1948 * @rxq Pointer to the Rx queue
1951 ixgbe_fill_cluster_head_buf(
1952 struct rte_mbuf *head,
1953 union ixgbe_adv_rx_desc *desc,
1954 struct ixgbe_rx_queue *rxq,
1960 head->port = rxq->port_id;
1962 /* The vlan_tci field is only valid when PKT_RX_VLAN is
1963 * set in the pkt_flags field.
1965 head->vlan_tci = rte_le_to_cpu_16(desc->wb.upper.vlan);
1966 pkt_info = rte_le_to_cpu_32(desc->wb.lower.lo_dword.data);
1967 pkt_flags = rx_desc_status_to_pkt_flags(staterr, rxq->vlan_flags);
1968 pkt_flags |= rx_desc_error_to_pkt_flags(staterr);
1969 pkt_flags |= ixgbe_rxd_pkt_info_to_pkt_flags((uint16_t)pkt_info);
1970 head->ol_flags = pkt_flags;
1972 ixgbe_rxd_pkt_info_to_pkt_type(pkt_info, rxq->pkt_type_mask);
1974 if (likely(pkt_flags & PKT_RX_RSS_HASH))
1975 head->hash.rss = rte_le_to_cpu_32(desc->wb.lower.hi_dword.rss);
1976 else if (pkt_flags & PKT_RX_FDIR) {
1977 head->hash.fdir.hash =
1978 rte_le_to_cpu_16(desc->wb.lower.hi_dword.csum_ip.csum)
1979 & IXGBE_ATR_HASH_MASK;
1980 head->hash.fdir.id =
1981 rte_le_to_cpu_16(desc->wb.lower.hi_dword.csum_ip.ip_id);
1986 * ixgbe_recv_pkts_lro - receive handler for and LRO case.
1988 * @rx_queue Rx queue handle
1989 * @rx_pkts table of received packets
1990 * @nb_pkts size of rx_pkts table
1991 * @bulk_alloc if TRUE bulk allocation is used for a HW ring refilling
1993 * Handles the Rx HW ring completions when RSC feature is configured. Uses an
1994 * additional ring of ixgbe_rsc_entry's that will hold the relevant RSC info.
1996 * We use the same logic as in Linux and in FreeBSD ixgbe drivers:
1997 * 1) When non-EOP RSC completion arrives:
1998 * a) Update the HEAD of the current RSC aggregation cluster with the new
1999 * segment's data length.
2000 * b) Set the "next" pointer of the current segment to point to the segment
2001 * at the NEXTP index.
2002 * c) Pass the HEAD of RSC aggregation cluster on to the next NEXTP entry
2003 * in the sw_rsc_ring.
2004 * 2) When EOP arrives we just update the cluster's total length and offload
2005 * flags and deliver the cluster up to the upper layers. In our case - put it
2006 * in the rx_pkts table.
2008 * Returns the number of received packets/clusters (according to the "bulk
2009 * receive" interface).
2011 static inline uint16_t
2012 ixgbe_recv_pkts_lro(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts,
2015 struct ixgbe_rx_queue *rxq = rx_queue;
2016 volatile union ixgbe_adv_rx_desc *rx_ring = rxq->rx_ring;
2017 struct ixgbe_rx_entry *sw_ring = rxq->sw_ring;
2018 struct ixgbe_scattered_rx_entry *sw_sc_ring = rxq->sw_sc_ring;
2019 uint16_t rx_id = rxq->rx_tail;
2021 uint16_t nb_hold = rxq->nb_rx_hold;
2022 uint16_t prev_id = rxq->rx_tail;
2024 while (nb_rx < nb_pkts) {
2026 struct ixgbe_rx_entry *rxe;
2027 struct ixgbe_scattered_rx_entry *sc_entry;
2028 struct ixgbe_scattered_rx_entry *next_sc_entry;
2029 struct ixgbe_rx_entry *next_rxe = NULL;
2030 struct rte_mbuf *first_seg;
2031 struct rte_mbuf *rxm;
2032 struct rte_mbuf *nmb;
2033 union ixgbe_adv_rx_desc rxd;
2036 volatile union ixgbe_adv_rx_desc *rxdp;
2041 * The code in this whole file uses the volatile pointer to
2042 * ensure the read ordering of the status and the rest of the
2043 * descriptor fields (on the compiler level only!!!). This is so
2044 * UGLY - why not to just use the compiler barrier instead? DPDK
2045 * even has the rte_compiler_barrier() for that.
2047 * But most importantly this is just wrong because this doesn't
2048 * ensure memory ordering in a general case at all. For
2049 * instance, DPDK is supposed to work on Power CPUs where
2050 * compiler barrier may just not be enough!
2052 * I tried to write only this function properly to have a
2053 * starting point (as a part of an LRO/RSC series) but the
2054 * compiler cursed at me when I tried to cast away the
2055 * "volatile" from rx_ring (yes, it's volatile too!!!). So, I'm
2056 * keeping it the way it is for now.
2058 * The code in this file is broken in so many other places and
2059 * will just not work on a big endian CPU anyway therefore the
2060 * lines below will have to be revisited together with the rest
2064 * - Get rid of "volatile" and let the compiler do its job.
2065 * - Use the proper memory barrier (rte_rmb()) to ensure the
2066 * memory ordering below.
2068 rxdp = &rx_ring[rx_id];
2069 staterr = rte_le_to_cpu_32(rxdp->wb.upper.status_error);
2071 if (!(staterr & IXGBE_RXDADV_STAT_DD))
2076 PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_id=%u "
2077 "staterr=0x%x data_len=%u",
2078 rxq->port_id, rxq->queue_id, rx_id, staterr,
2079 rte_le_to_cpu_16(rxd.wb.upper.length));
2082 nmb = rte_mbuf_raw_alloc(rxq->mb_pool);
2084 PMD_RX_LOG(DEBUG, "RX mbuf alloc failed "
2085 "port_id=%u queue_id=%u",
2086 rxq->port_id, rxq->queue_id);
2088 rte_eth_devices[rxq->port_id].data->
2089 rx_mbuf_alloc_failed++;
2092 } else if (nb_hold > rxq->rx_free_thresh) {
2093 uint16_t next_rdt = rxq->rx_free_trigger;
2095 if (!ixgbe_rx_alloc_bufs(rxq, false)) {
2097 IXGBE_PCI_REG_WRITE_RELAXED(rxq->rdt_reg_addr,
2099 nb_hold -= rxq->rx_free_thresh;
2101 PMD_RX_LOG(DEBUG, "RX bulk alloc failed "
2102 "port_id=%u queue_id=%u",
2103 rxq->port_id, rxq->queue_id);
2105 rte_eth_devices[rxq->port_id].data->
2106 rx_mbuf_alloc_failed++;
2112 rxe = &sw_ring[rx_id];
2113 eop = staterr & IXGBE_RXDADV_STAT_EOP;
2115 next_id = rx_id + 1;
2116 if (next_id == rxq->nb_rx_desc)
2119 /* Prefetch next mbuf while processing current one. */
2120 rte_ixgbe_prefetch(sw_ring[next_id].mbuf);
2123 * When next RX descriptor is on a cache-line boundary,
2124 * prefetch the next 4 RX descriptors and the next 4 pointers
2127 if ((next_id & 0x3) == 0) {
2128 rte_ixgbe_prefetch(&rx_ring[next_id]);
2129 rte_ixgbe_prefetch(&sw_ring[next_id]);
2136 rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb));
2138 * Update RX descriptor with the physical address of the
2139 * new data buffer of the new allocated mbuf.
2143 rxm->data_off = RTE_PKTMBUF_HEADROOM;
2144 rxdp->read.hdr_addr = 0;
2145 rxdp->read.pkt_addr = dma;
2150 * Set data length & data buffer address of mbuf.
2152 data_len = rte_le_to_cpu_16(rxd.wb.upper.length);
2153 rxm->data_len = data_len;
2158 * Get next descriptor index:
2159 * - For RSC it's in the NEXTP field.
2160 * - For a scattered packet - it's just a following
2163 if (ixgbe_rsc_count(&rxd))
2165 (staterr & IXGBE_RXDADV_NEXTP_MASK) >>
2166 IXGBE_RXDADV_NEXTP_SHIFT;
2170 next_sc_entry = &sw_sc_ring[nextp_id];
2171 next_rxe = &sw_ring[nextp_id];
2172 rte_ixgbe_prefetch(next_rxe);
2175 sc_entry = &sw_sc_ring[rx_id];
2176 first_seg = sc_entry->fbuf;
2177 sc_entry->fbuf = NULL;
2180 * If this is the first buffer of the received packet,
2181 * set the pointer to the first mbuf of the packet and
2182 * initialize its context.
2183 * Otherwise, update the total length and the number of segments
2184 * of the current scattered packet, and update the pointer to
2185 * the last mbuf of the current packet.
2187 if (first_seg == NULL) {
2189 first_seg->pkt_len = data_len;
2190 first_seg->nb_segs = 1;
2192 first_seg->pkt_len += data_len;
2193 first_seg->nb_segs++;
2200 * If this is not the last buffer of the received packet, update
2201 * the pointer to the first mbuf at the NEXTP entry in the
2202 * sw_sc_ring and continue to parse the RX ring.
2204 if (!eop && next_rxe) {
2205 rxm->next = next_rxe->mbuf;
2206 next_sc_entry->fbuf = first_seg;
2210 /* Initialize the first mbuf of the returned packet */
2211 ixgbe_fill_cluster_head_buf(first_seg, &rxd, rxq, staterr);
2214 * Deal with the case, when HW CRC srip is disabled.
2215 * That can't happen when LRO is enabled, but still could
2216 * happen for scattered RX mode.
2218 first_seg->pkt_len -= rxq->crc_len;
2219 if (unlikely(rxm->data_len <= rxq->crc_len)) {
2220 struct rte_mbuf *lp;
2222 for (lp = first_seg; lp->next != rxm; lp = lp->next)
2225 first_seg->nb_segs--;
2226 lp->data_len -= rxq->crc_len - rxm->data_len;
2228 rte_pktmbuf_free_seg(rxm);
2230 rxm->data_len -= rxq->crc_len;
2232 /* Prefetch data of first segment, if configured to do so. */
2233 rte_packet_prefetch((char *)first_seg->buf_addr +
2234 first_seg->data_off);
2237 * Store the mbuf address into the next entry of the array
2238 * of returned packets.
2240 rx_pkts[nb_rx++] = first_seg;
2244 * Record index of the next RX descriptor to probe.
2246 rxq->rx_tail = rx_id;
2249 * If the number of free RX descriptors is greater than the RX free
2250 * threshold of the queue, advance the Receive Descriptor Tail (RDT)
2252 * Update the RDT with the value of the last processed RX descriptor
2253 * minus 1, to guarantee that the RDT register is never equal to the
2254 * RDH register, which creates a "full" ring situtation from the
2255 * hardware point of view...
2257 if (!bulk_alloc && nb_hold > rxq->rx_free_thresh) {
2258 PMD_RX_LOG(DEBUG, "port_id=%u queue_id=%u rx_tail=%u "
2259 "nb_hold=%u nb_rx=%u",
2260 rxq->port_id, rxq->queue_id, rx_id, nb_hold, nb_rx);
2263 IXGBE_PCI_REG_WRITE_RELAXED(rxq->rdt_reg_addr, prev_id);
2267 rxq->nb_rx_hold = nb_hold;
2272 ixgbe_recv_pkts_lro_single_alloc(void *rx_queue, struct rte_mbuf **rx_pkts,
2275 return ixgbe_recv_pkts_lro(rx_queue, rx_pkts, nb_pkts, false);
2279 ixgbe_recv_pkts_lro_bulk_alloc(void *rx_queue, struct rte_mbuf **rx_pkts,
2282 return ixgbe_recv_pkts_lro(rx_queue, rx_pkts, nb_pkts, true);
2285 /*********************************************************************
2287 * Queue management functions
2289 **********************************************************************/
2291 static void __attribute__((cold))
2292 ixgbe_tx_queue_release_mbufs(struct ixgbe_tx_queue *txq)
2296 if (txq->sw_ring != NULL) {
2297 for (i = 0; i < txq->nb_tx_desc; i++) {
2298 if (txq->sw_ring[i].mbuf != NULL) {
2299 rte_pktmbuf_free_seg(txq->sw_ring[i].mbuf);
2300 txq->sw_ring[i].mbuf = NULL;
2306 static void __attribute__((cold))
2307 ixgbe_tx_free_swring(struct ixgbe_tx_queue *txq)
2310 txq->sw_ring != NULL)
2311 rte_free(txq->sw_ring);
2314 static void __attribute__((cold))
2315 ixgbe_tx_queue_release(struct ixgbe_tx_queue *txq)
2317 if (txq != NULL && txq->ops != NULL) {
2318 txq->ops->release_mbufs(txq);
2319 txq->ops->free_swring(txq);
2324 void __attribute__((cold))
2325 ixgbe_dev_tx_queue_release(void *txq)
2327 ixgbe_tx_queue_release(txq);
2330 /* (Re)set dynamic ixgbe_tx_queue fields to defaults */
2331 static void __attribute__((cold))
2332 ixgbe_reset_tx_queue(struct ixgbe_tx_queue *txq)
2334 static const union ixgbe_adv_tx_desc zeroed_desc = {{0}};
2335 struct ixgbe_tx_entry *txe = txq->sw_ring;
2338 /* Zero out HW ring memory */
2339 for (i = 0; i < txq->nb_tx_desc; i++) {
2340 txq->tx_ring[i] = zeroed_desc;
2343 /* Initialize SW ring entries */
2344 prev = (uint16_t) (txq->nb_tx_desc - 1);
2345 for (i = 0; i < txq->nb_tx_desc; i++) {
2346 volatile union ixgbe_adv_tx_desc *txd = &txq->tx_ring[i];
2348 txd->wb.status = rte_cpu_to_le_32(IXGBE_TXD_STAT_DD);
2351 txe[prev].next_id = i;
2355 txq->tx_next_dd = (uint16_t)(txq->tx_rs_thresh - 1);
2356 txq->tx_next_rs = (uint16_t)(txq->tx_rs_thresh - 1);
2359 txq->nb_tx_used = 0;
2361 * Always allow 1 descriptor to be un-allocated to avoid
2362 * a H/W race condition
2364 txq->last_desc_cleaned = (uint16_t)(txq->nb_tx_desc - 1);
2365 txq->nb_tx_free = (uint16_t)(txq->nb_tx_desc - 1);
2367 memset((void *)&txq->ctx_cache, 0,
2368 IXGBE_CTX_NUM * sizeof(struct ixgbe_advctx_info));
2371 static const struct ixgbe_txq_ops def_txq_ops = {
2372 .release_mbufs = ixgbe_tx_queue_release_mbufs,
2373 .free_swring = ixgbe_tx_free_swring,
2374 .reset = ixgbe_reset_tx_queue,
2377 /* Takes an ethdev and a queue and sets up the tx function to be used based on
2378 * the queue parameters. Used in tx_queue_setup by primary process and then
2379 * in dev_init by secondary process when attaching to an existing ethdev.
2381 void __attribute__((cold))
2382 ixgbe_set_tx_function(struct rte_eth_dev *dev, struct ixgbe_tx_queue *txq)
2384 /* Use a simple Tx queue (no offloads, no multi segs) if possible */
2385 if ((txq->offloads == 0) &&
2386 #ifdef RTE_LIBRTE_SECURITY
2387 !(txq->using_ipsec) &&
2389 (txq->tx_rs_thresh >= RTE_PMD_IXGBE_TX_MAX_BURST)) {
2390 PMD_INIT_LOG(DEBUG, "Using simple tx code path");
2391 dev->tx_pkt_prepare = NULL;
2392 #ifdef RTE_IXGBE_INC_VECTOR
2393 if (txq->tx_rs_thresh <= RTE_IXGBE_TX_MAX_FREE_BUF_SZ &&
2394 (rte_eal_process_type() != RTE_PROC_PRIMARY ||
2395 ixgbe_txq_vec_setup(txq) == 0)) {
2396 PMD_INIT_LOG(DEBUG, "Vector tx enabled.");
2397 dev->tx_pkt_burst = ixgbe_xmit_pkts_vec;
2400 dev->tx_pkt_burst = ixgbe_xmit_pkts_simple;
2402 PMD_INIT_LOG(DEBUG, "Using full-featured tx code path");
2404 " - offloads = 0x%" PRIx64,
2407 " - tx_rs_thresh = %lu " "[RTE_PMD_IXGBE_TX_MAX_BURST=%lu]",
2408 (unsigned long)txq->tx_rs_thresh,
2409 (unsigned long)RTE_PMD_IXGBE_TX_MAX_BURST);
2410 dev->tx_pkt_burst = ixgbe_xmit_pkts;
2411 dev->tx_pkt_prepare = ixgbe_prep_pkts;
2416 ixgbe_get_tx_queue_offloads(struct rte_eth_dev *dev)
2424 ixgbe_get_tx_port_offloads(struct rte_eth_dev *dev)
2426 uint64_t tx_offload_capa;
2427 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2430 DEV_TX_OFFLOAD_VLAN_INSERT |
2431 DEV_TX_OFFLOAD_IPV4_CKSUM |
2432 DEV_TX_OFFLOAD_UDP_CKSUM |
2433 DEV_TX_OFFLOAD_TCP_CKSUM |
2434 DEV_TX_OFFLOAD_SCTP_CKSUM |
2435 DEV_TX_OFFLOAD_TCP_TSO |
2436 DEV_TX_OFFLOAD_MULTI_SEGS;
2438 if (hw->mac.type == ixgbe_mac_82599EB ||
2439 hw->mac.type == ixgbe_mac_X540)
2440 tx_offload_capa |= DEV_TX_OFFLOAD_MACSEC_INSERT;
2442 if (hw->mac.type == ixgbe_mac_X550 ||
2443 hw->mac.type == ixgbe_mac_X550EM_x ||
2444 hw->mac.type == ixgbe_mac_X550EM_a)
2445 tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
2447 #ifdef RTE_LIBRTE_SECURITY
2448 if (dev->security_ctx)
2449 tx_offload_capa |= DEV_TX_OFFLOAD_SECURITY;
2451 return tx_offload_capa;
2454 int __attribute__((cold))
2455 ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
2458 unsigned int socket_id,
2459 const struct rte_eth_txconf *tx_conf)
2461 const struct rte_memzone *tz;
2462 struct ixgbe_tx_queue *txq;
2463 struct ixgbe_hw *hw;
2464 uint16_t tx_rs_thresh, tx_free_thresh;
2467 PMD_INIT_FUNC_TRACE();
2468 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2470 offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
2473 * Validate number of transmit descriptors.
2474 * It must not exceed hardware maximum, and must be multiple
2477 if (nb_desc % IXGBE_TXD_ALIGN != 0 ||
2478 (nb_desc > IXGBE_MAX_RING_DESC) ||
2479 (nb_desc < IXGBE_MIN_RING_DESC)) {
2484 * The following two parameters control the setting of the RS bit on
2485 * transmit descriptors.
2486 * TX descriptors will have their RS bit set after txq->tx_rs_thresh
2487 * descriptors have been used.
2488 * The TX descriptor ring will be cleaned after txq->tx_free_thresh
2489 * descriptors are used or if the number of descriptors required
2490 * to transmit a packet is greater than the number of free TX
2492 * The following constraints must be satisfied:
2493 * tx_rs_thresh must be greater than 0.
2494 * tx_rs_thresh must be less than the size of the ring minus 2.
2495 * tx_rs_thresh must be less than or equal to tx_free_thresh.
2496 * tx_rs_thresh must be a divisor of the ring size.
2497 * tx_free_thresh must be greater than 0.
2498 * tx_free_thresh must be less than the size of the ring minus 3.
2499 * One descriptor in the TX ring is used as a sentinel to avoid a
2500 * H/W race condition, hence the maximum threshold constraints.
2501 * When set to zero use default values.
2503 tx_rs_thresh = (uint16_t)((tx_conf->tx_rs_thresh) ?
2504 tx_conf->tx_rs_thresh : DEFAULT_TX_RS_THRESH);
2505 tx_free_thresh = (uint16_t)((tx_conf->tx_free_thresh) ?
2506 tx_conf->tx_free_thresh : DEFAULT_TX_FREE_THRESH);
2507 if (tx_rs_thresh >= (nb_desc - 2)) {
2508 PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than the number "
2509 "of TX descriptors minus 2. (tx_rs_thresh=%u "
2510 "port=%d queue=%d)", (unsigned int)tx_rs_thresh,
2511 (int)dev->data->port_id, (int)queue_idx);
2514 if (tx_rs_thresh > DEFAULT_TX_RS_THRESH) {
2515 PMD_INIT_LOG(ERR, "tx_rs_thresh must be less or equal than %u. "
2516 "(tx_rs_thresh=%u port=%d queue=%d)",
2517 DEFAULT_TX_RS_THRESH, (unsigned int)tx_rs_thresh,
2518 (int)dev->data->port_id, (int)queue_idx);
2521 if (tx_free_thresh >= (nb_desc - 3)) {
2522 PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than the "
2523 "tx_free_thresh must be less than the number of "
2524 "TX descriptors minus 3. (tx_free_thresh=%u "
2525 "port=%d queue=%d)",
2526 (unsigned int)tx_free_thresh,
2527 (int)dev->data->port_id, (int)queue_idx);
2530 if (tx_rs_thresh > tx_free_thresh) {
2531 PMD_INIT_LOG(ERR, "tx_rs_thresh must be less than or equal to "
2532 "tx_free_thresh. (tx_free_thresh=%u "
2533 "tx_rs_thresh=%u port=%d queue=%d)",
2534 (unsigned int)tx_free_thresh,
2535 (unsigned int)tx_rs_thresh,
2536 (int)dev->data->port_id,
2540 if ((nb_desc % tx_rs_thresh) != 0) {
2541 PMD_INIT_LOG(ERR, "tx_rs_thresh must be a divisor of the "
2542 "number of TX descriptors. (tx_rs_thresh=%u "
2543 "port=%d queue=%d)", (unsigned int)tx_rs_thresh,
2544 (int)dev->data->port_id, (int)queue_idx);
2549 * If rs_bit_thresh is greater than 1, then TX WTHRESH should be
2550 * set to 0. If WTHRESH is greater than zero, the RS bit is ignored
2551 * by the NIC and all descriptors are written back after the NIC
2552 * accumulates WTHRESH descriptors.
2554 if ((tx_rs_thresh > 1) && (tx_conf->tx_thresh.wthresh != 0)) {
2555 PMD_INIT_LOG(ERR, "TX WTHRESH must be set to 0 if "
2556 "tx_rs_thresh is greater than 1. (tx_rs_thresh=%u "
2557 "port=%d queue=%d)", (unsigned int)tx_rs_thresh,
2558 (int)dev->data->port_id, (int)queue_idx);
2562 /* Free memory prior to re-allocation if needed... */
2563 if (dev->data->tx_queues[queue_idx] != NULL) {
2564 ixgbe_tx_queue_release(dev->data->tx_queues[queue_idx]);
2565 dev->data->tx_queues[queue_idx] = NULL;
2568 /* First allocate the tx queue data structure */
2569 txq = rte_zmalloc_socket("ethdev TX queue", sizeof(struct ixgbe_tx_queue),
2570 RTE_CACHE_LINE_SIZE, socket_id);
2575 * Allocate TX ring hardware descriptors. A memzone large enough to
2576 * handle the maximum ring size is allocated in order to allow for
2577 * resizing in later calls to the queue setup function.
2579 tz = rte_eth_dma_zone_reserve(dev, "tx_ring", queue_idx,
2580 sizeof(union ixgbe_adv_tx_desc) * IXGBE_MAX_RING_DESC,
2581 IXGBE_ALIGN, socket_id);
2583 ixgbe_tx_queue_release(txq);
2587 txq->nb_tx_desc = nb_desc;
2588 txq->tx_rs_thresh = tx_rs_thresh;
2589 txq->tx_free_thresh = tx_free_thresh;
2590 txq->pthresh = tx_conf->tx_thresh.pthresh;
2591 txq->hthresh = tx_conf->tx_thresh.hthresh;
2592 txq->wthresh = tx_conf->tx_thresh.wthresh;
2593 txq->queue_id = queue_idx;
2594 txq->reg_idx = (uint16_t)((RTE_ETH_DEV_SRIOV(dev).active == 0) ?
2595 queue_idx : RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx + queue_idx);
2596 txq->port_id = dev->data->port_id;
2597 txq->offloads = offloads;
2598 txq->ops = &def_txq_ops;
2599 txq->tx_deferred_start = tx_conf->tx_deferred_start;
2600 #ifdef RTE_LIBRTE_SECURITY
2601 txq->using_ipsec = !!(dev->data->dev_conf.txmode.offloads &
2602 DEV_TX_OFFLOAD_SECURITY);
2606 * Modification to set VFTDT for virtual function if vf is detected
2608 if (hw->mac.type == ixgbe_mac_82599_vf ||
2609 hw->mac.type == ixgbe_mac_X540_vf ||
2610 hw->mac.type == ixgbe_mac_X550_vf ||
2611 hw->mac.type == ixgbe_mac_X550EM_x_vf ||
2612 hw->mac.type == ixgbe_mac_X550EM_a_vf)
2613 txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_VFTDT(queue_idx));
2615 txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_TDT(txq->reg_idx));
2617 txq->tx_ring_phys_addr = tz->iova;
2618 txq->tx_ring = (union ixgbe_adv_tx_desc *) tz->addr;
2620 /* Allocate software ring */
2621 txq->sw_ring = rte_zmalloc_socket("txq->sw_ring",
2622 sizeof(struct ixgbe_tx_entry) * nb_desc,
2623 RTE_CACHE_LINE_SIZE, socket_id);
2624 if (txq->sw_ring == NULL) {
2625 ixgbe_tx_queue_release(txq);
2628 PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
2629 txq->sw_ring, txq->tx_ring, txq->tx_ring_phys_addr);
2631 /* set up vector or scalar TX function as appropriate */
2632 ixgbe_set_tx_function(dev, txq);
2634 txq->ops->reset(txq);
2636 dev->data->tx_queues[queue_idx] = txq;
2643 * ixgbe_free_sc_cluster - free the not-yet-completed scattered cluster
2645 * The "next" pointer of the last segment of (not-yet-completed) RSC clusters
2646 * in the sw_rsc_ring is not set to NULL but rather points to the next
2647 * mbuf of this RSC aggregation (that has not been completed yet and still
2648 * resides on the HW ring). So, instead of calling for rte_pktmbuf_free() we
2649 * will just free first "nb_segs" segments of the cluster explicitly by calling
2650 * an rte_pktmbuf_free_seg().
2652 * @m scattered cluster head
2654 static void __attribute__((cold))
2655 ixgbe_free_sc_cluster(struct rte_mbuf *m)
2657 uint16_t i, nb_segs = m->nb_segs;
2658 struct rte_mbuf *next_seg;
2660 for (i = 0; i < nb_segs; i++) {
2662 rte_pktmbuf_free_seg(m);
2667 static void __attribute__((cold))
2668 ixgbe_rx_queue_release_mbufs(struct ixgbe_rx_queue *rxq)
2672 #ifdef RTE_IXGBE_INC_VECTOR
2673 /* SSE Vector driver has a different way of releasing mbufs. */
2674 if (rxq->rx_using_sse) {
2675 ixgbe_rx_queue_release_mbufs_vec(rxq);
2680 if (rxq->sw_ring != NULL) {
2681 for (i = 0; i < rxq->nb_rx_desc; i++) {
2682 if (rxq->sw_ring[i].mbuf != NULL) {
2683 rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf);
2684 rxq->sw_ring[i].mbuf = NULL;
2687 if (rxq->rx_nb_avail) {
2688 for (i = 0; i < rxq->rx_nb_avail; ++i) {
2689 struct rte_mbuf *mb;
2691 mb = rxq->rx_stage[rxq->rx_next_avail + i];
2692 rte_pktmbuf_free_seg(mb);
2694 rxq->rx_nb_avail = 0;
2698 if (rxq->sw_sc_ring)
2699 for (i = 0; i < rxq->nb_rx_desc; i++)
2700 if (rxq->sw_sc_ring[i].fbuf) {
2701 ixgbe_free_sc_cluster(rxq->sw_sc_ring[i].fbuf);
2702 rxq->sw_sc_ring[i].fbuf = NULL;
2706 static void __attribute__((cold))
2707 ixgbe_rx_queue_release(struct ixgbe_rx_queue *rxq)
2710 ixgbe_rx_queue_release_mbufs(rxq);
2711 rte_free(rxq->sw_ring);
2712 rte_free(rxq->sw_sc_ring);
2717 void __attribute__((cold))
2718 ixgbe_dev_rx_queue_release(void *rxq)
2720 ixgbe_rx_queue_release(rxq);
2724 * Check if Rx Burst Bulk Alloc function can be used.
2726 * 0: the preconditions are satisfied and the bulk allocation function
2728 * -EINVAL: the preconditions are NOT satisfied and the default Rx burst
2729 * function must be used.
2731 static inline int __attribute__((cold))
2732 check_rx_burst_bulk_alloc_preconditions(struct ixgbe_rx_queue *rxq)
2737 * Make sure the following pre-conditions are satisfied:
2738 * rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST
2739 * rxq->rx_free_thresh < rxq->nb_rx_desc
2740 * (rxq->nb_rx_desc % rxq->rx_free_thresh) == 0
2741 * Scattered packets are not supported. This should be checked
2742 * outside of this function.
2744 if (!(rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST)) {
2745 PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
2746 "rxq->rx_free_thresh=%d, "
2747 "RTE_PMD_IXGBE_RX_MAX_BURST=%d",
2748 rxq->rx_free_thresh, RTE_PMD_IXGBE_RX_MAX_BURST);
2750 } else if (!(rxq->rx_free_thresh < rxq->nb_rx_desc)) {
2751 PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
2752 "rxq->rx_free_thresh=%d, "
2753 "rxq->nb_rx_desc=%d",
2754 rxq->rx_free_thresh, rxq->nb_rx_desc);
2756 } else if (!((rxq->nb_rx_desc % rxq->rx_free_thresh) == 0)) {
2757 PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions: "
2758 "rxq->nb_rx_desc=%d, "
2759 "rxq->rx_free_thresh=%d",
2760 rxq->nb_rx_desc, rxq->rx_free_thresh);
2767 /* Reset dynamic ixgbe_rx_queue fields back to defaults */
2768 static void __attribute__((cold))
2769 ixgbe_reset_rx_queue(struct ixgbe_adapter *adapter, struct ixgbe_rx_queue *rxq)
2771 static const union ixgbe_adv_rx_desc zeroed_desc = {{0}};
2773 uint16_t len = rxq->nb_rx_desc;
2776 * By default, the Rx queue setup function allocates enough memory for
2777 * IXGBE_MAX_RING_DESC. The Rx Burst bulk allocation function requires
2778 * extra memory at the end of the descriptor ring to be zero'd out.
2780 if (adapter->rx_bulk_alloc_allowed)
2781 /* zero out extra memory */
2782 len += RTE_PMD_IXGBE_RX_MAX_BURST;
2785 * Zero out HW ring memory. Zero out extra memory at the end of
2786 * the H/W ring so look-ahead logic in Rx Burst bulk alloc function
2787 * reads extra memory as zeros.
2789 for (i = 0; i < len; i++) {
2790 rxq->rx_ring[i] = zeroed_desc;
2794 * initialize extra software ring entries. Space for these extra
2795 * entries is always allocated
2797 memset(&rxq->fake_mbuf, 0x0, sizeof(rxq->fake_mbuf));
2798 for (i = rxq->nb_rx_desc; i < len; ++i) {
2799 rxq->sw_ring[i].mbuf = &rxq->fake_mbuf;
2802 rxq->rx_nb_avail = 0;
2803 rxq->rx_next_avail = 0;
2804 rxq->rx_free_trigger = (uint16_t)(rxq->rx_free_thresh - 1);
2806 rxq->nb_rx_hold = 0;
2807 rxq->pkt_first_seg = NULL;
2808 rxq->pkt_last_seg = NULL;
2810 #ifdef RTE_IXGBE_INC_VECTOR
2811 rxq->rxrearm_start = 0;
2812 rxq->rxrearm_nb = 0;
2817 ixgbe_is_vf(struct rte_eth_dev *dev)
2819 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2821 switch (hw->mac.type) {
2822 case ixgbe_mac_82599_vf:
2823 case ixgbe_mac_X540_vf:
2824 case ixgbe_mac_X550_vf:
2825 case ixgbe_mac_X550EM_x_vf:
2826 case ixgbe_mac_X550EM_a_vf:
2834 ixgbe_get_rx_queue_offloads(struct rte_eth_dev *dev)
2836 uint64_t offloads = 0;
2837 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2839 if (hw->mac.type != ixgbe_mac_82598EB)
2840 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2846 ixgbe_get_rx_port_offloads(struct rte_eth_dev *dev)
2849 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2851 offloads = DEV_RX_OFFLOAD_IPV4_CKSUM |
2852 DEV_RX_OFFLOAD_UDP_CKSUM |
2853 DEV_RX_OFFLOAD_TCP_CKSUM |
2854 DEV_RX_OFFLOAD_KEEP_CRC |
2855 DEV_RX_OFFLOAD_JUMBO_FRAME |
2856 DEV_RX_OFFLOAD_SCATTER;
2858 if (hw->mac.type == ixgbe_mac_82598EB)
2859 offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
2861 if (ixgbe_is_vf(dev) == 0)
2862 offloads |= (DEV_RX_OFFLOAD_VLAN_FILTER |
2863 DEV_RX_OFFLOAD_VLAN_EXTEND);
2866 * RSC is only supported by 82599 and x540 PF devices in a non-SR-IOV
2869 if ((hw->mac.type == ixgbe_mac_82599EB ||
2870 hw->mac.type == ixgbe_mac_X540 ||
2871 hw->mac.type == ixgbe_mac_X550) &&
2872 !RTE_ETH_DEV_SRIOV(dev).active)
2873 offloads |= DEV_RX_OFFLOAD_TCP_LRO;
2875 if (hw->mac.type == ixgbe_mac_82599EB ||
2876 hw->mac.type == ixgbe_mac_X540)
2877 offloads |= DEV_RX_OFFLOAD_MACSEC_STRIP;
2879 if (hw->mac.type == ixgbe_mac_X550 ||
2880 hw->mac.type == ixgbe_mac_X550EM_x ||
2881 hw->mac.type == ixgbe_mac_X550EM_a)
2882 offloads |= DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
2884 #ifdef RTE_LIBRTE_SECURITY
2885 if (dev->security_ctx)
2886 offloads |= DEV_RX_OFFLOAD_SECURITY;
2892 int __attribute__((cold))
2893 ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
2896 unsigned int socket_id,
2897 const struct rte_eth_rxconf *rx_conf,
2898 struct rte_mempool *mp)
2900 const struct rte_memzone *rz;
2901 struct ixgbe_rx_queue *rxq;
2902 struct ixgbe_hw *hw;
2904 struct ixgbe_adapter *adapter =
2905 (struct ixgbe_adapter *)dev->data->dev_private;
2908 PMD_INIT_FUNC_TRACE();
2909 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2911 offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads;
2914 * Validate number of receive descriptors.
2915 * It must not exceed hardware maximum, and must be multiple
2918 if (nb_desc % IXGBE_RXD_ALIGN != 0 ||
2919 (nb_desc > IXGBE_MAX_RING_DESC) ||
2920 (nb_desc < IXGBE_MIN_RING_DESC)) {
2924 /* Free memory prior to re-allocation if needed... */
2925 if (dev->data->rx_queues[queue_idx] != NULL) {
2926 ixgbe_rx_queue_release(dev->data->rx_queues[queue_idx]);
2927 dev->data->rx_queues[queue_idx] = NULL;
2930 /* First allocate the rx queue data structure */
2931 rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct ixgbe_rx_queue),
2932 RTE_CACHE_LINE_SIZE, socket_id);
2936 rxq->nb_rx_desc = nb_desc;
2937 rxq->rx_free_thresh = rx_conf->rx_free_thresh;
2938 rxq->queue_id = queue_idx;
2939 rxq->reg_idx = (uint16_t)((RTE_ETH_DEV_SRIOV(dev).active == 0) ?
2940 queue_idx : RTE_ETH_DEV_SRIOV(dev).def_pool_q_idx + queue_idx);
2941 rxq->port_id = dev->data->port_id;
2942 if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)
2943 rxq->crc_len = ETHER_CRC_LEN;
2946 rxq->drop_en = rx_conf->rx_drop_en;
2947 rxq->rx_deferred_start = rx_conf->rx_deferred_start;
2948 rxq->offloads = offloads;
2951 * The packet type in RX descriptor is different for different NICs.
2952 * Some bits are used for x550 but reserved for other NICS.
2953 * So set different masks for different NICs.
2955 if (hw->mac.type == ixgbe_mac_X550 ||
2956 hw->mac.type == ixgbe_mac_X550EM_x ||
2957 hw->mac.type == ixgbe_mac_X550EM_a ||
2958 hw->mac.type == ixgbe_mac_X550_vf ||
2959 hw->mac.type == ixgbe_mac_X550EM_x_vf ||
2960 hw->mac.type == ixgbe_mac_X550EM_a_vf)
2961 rxq->pkt_type_mask = IXGBE_PACKET_TYPE_MASK_X550;
2963 rxq->pkt_type_mask = IXGBE_PACKET_TYPE_MASK_82599;
2966 * Allocate RX ring hardware descriptors. A memzone large enough to
2967 * handle the maximum ring size is allocated in order to allow for
2968 * resizing in later calls to the queue setup function.
2970 rz = rte_eth_dma_zone_reserve(dev, "rx_ring", queue_idx,
2971 RX_RING_SZ, IXGBE_ALIGN, socket_id);
2973 ixgbe_rx_queue_release(rxq);
2978 * Zero init all the descriptors in the ring.
2980 memset(rz->addr, 0, RX_RING_SZ);
2983 * Modified to setup VFRDT for Virtual Function
2985 if (hw->mac.type == ixgbe_mac_82599_vf ||
2986 hw->mac.type == ixgbe_mac_X540_vf ||
2987 hw->mac.type == ixgbe_mac_X550_vf ||
2988 hw->mac.type == ixgbe_mac_X550EM_x_vf ||
2989 hw->mac.type == ixgbe_mac_X550EM_a_vf) {
2991 IXGBE_PCI_REG_ADDR(hw, IXGBE_VFRDT(queue_idx));
2993 IXGBE_PCI_REG_ADDR(hw, IXGBE_VFRDH(queue_idx));
2996 IXGBE_PCI_REG_ADDR(hw, IXGBE_RDT(rxq->reg_idx));
2998 IXGBE_PCI_REG_ADDR(hw, IXGBE_RDH(rxq->reg_idx));
3001 rxq->rx_ring_phys_addr = rz->iova;
3002 rxq->rx_ring = (union ixgbe_adv_rx_desc *) rz->addr;
3005 * Certain constraints must be met in order to use the bulk buffer
3006 * allocation Rx burst function. If any of Rx queues doesn't meet them
3007 * the feature should be disabled for the whole port.
3009 if (check_rx_burst_bulk_alloc_preconditions(rxq)) {
3010 PMD_INIT_LOG(DEBUG, "queue[%d] doesn't meet Rx Bulk Alloc "
3011 "preconditions - canceling the feature for "
3012 "the whole port[%d]",
3013 rxq->queue_id, rxq->port_id);
3014 adapter->rx_bulk_alloc_allowed = false;
3018 * Allocate software ring. Allow for space at the end of the
3019 * S/W ring to make sure look-ahead logic in bulk alloc Rx burst
3020 * function does not access an invalid memory region.
3023 if (adapter->rx_bulk_alloc_allowed)
3024 len += RTE_PMD_IXGBE_RX_MAX_BURST;
3026 rxq->sw_ring = rte_zmalloc_socket("rxq->sw_ring",
3027 sizeof(struct ixgbe_rx_entry) * len,
3028 RTE_CACHE_LINE_SIZE, socket_id);
3029 if (!rxq->sw_ring) {
3030 ixgbe_rx_queue_release(rxq);
3035 * Always allocate even if it's not going to be needed in order to
3036 * simplify the code.
3038 * This ring is used in LRO and Scattered Rx cases and Scattered Rx may
3039 * be requested in ixgbe_dev_rx_init(), which is called later from
3043 rte_zmalloc_socket("rxq->sw_sc_ring",
3044 sizeof(struct ixgbe_scattered_rx_entry) * len,
3045 RTE_CACHE_LINE_SIZE, socket_id);
3046 if (!rxq->sw_sc_ring) {
3047 ixgbe_rx_queue_release(rxq);
3051 PMD_INIT_LOG(DEBUG, "sw_ring=%p sw_sc_ring=%p hw_ring=%p "
3052 "dma_addr=0x%"PRIx64,
3053 rxq->sw_ring, rxq->sw_sc_ring, rxq->rx_ring,
3054 rxq->rx_ring_phys_addr);
3056 if (!rte_is_power_of_2(nb_desc)) {
3057 PMD_INIT_LOG(DEBUG, "queue[%d] doesn't meet Vector Rx "
3058 "preconditions - canceling the feature for "
3059 "the whole port[%d]",
3060 rxq->queue_id, rxq->port_id);
3061 adapter->rx_vec_allowed = false;
3063 ixgbe_rxq_vec_setup(rxq);
3065 dev->data->rx_queues[queue_idx] = rxq;
3067 ixgbe_reset_rx_queue(adapter, rxq);
3073 ixgbe_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
3075 #define IXGBE_RXQ_SCAN_INTERVAL 4
3076 volatile union ixgbe_adv_rx_desc *rxdp;
3077 struct ixgbe_rx_queue *rxq;
3080 rxq = dev->data->rx_queues[rx_queue_id];
3081 rxdp = &(rxq->rx_ring[rxq->rx_tail]);
3083 while ((desc < rxq->nb_rx_desc) &&
3084 (rxdp->wb.upper.status_error &
3085 rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD))) {
3086 desc += IXGBE_RXQ_SCAN_INTERVAL;
3087 rxdp += IXGBE_RXQ_SCAN_INTERVAL;
3088 if (rxq->rx_tail + desc >= rxq->nb_rx_desc)
3089 rxdp = &(rxq->rx_ring[rxq->rx_tail +
3090 desc - rxq->nb_rx_desc]);
3097 ixgbe_dev_rx_descriptor_done(void *rx_queue, uint16_t offset)
3099 volatile union ixgbe_adv_rx_desc *rxdp;
3100 struct ixgbe_rx_queue *rxq = rx_queue;
3103 if (unlikely(offset >= rxq->nb_rx_desc))
3105 desc = rxq->rx_tail + offset;
3106 if (desc >= rxq->nb_rx_desc)
3107 desc -= rxq->nb_rx_desc;
3109 rxdp = &rxq->rx_ring[desc];
3110 return !!(rxdp->wb.upper.status_error &
3111 rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD));
3115 ixgbe_dev_rx_descriptor_status(void *rx_queue, uint16_t offset)
3117 struct ixgbe_rx_queue *rxq = rx_queue;
3118 volatile uint32_t *status;
3119 uint32_t nb_hold, desc;
3121 if (unlikely(offset >= rxq->nb_rx_desc))
3124 #ifdef RTE_IXGBE_INC_VECTOR
3125 if (rxq->rx_using_sse)
3126 nb_hold = rxq->rxrearm_nb;
3129 nb_hold = rxq->nb_rx_hold;
3130 if (offset >= rxq->nb_rx_desc - nb_hold)
3131 return RTE_ETH_RX_DESC_UNAVAIL;
3133 desc = rxq->rx_tail + offset;
3134 if (desc >= rxq->nb_rx_desc)
3135 desc -= rxq->nb_rx_desc;
3137 status = &rxq->rx_ring[desc].wb.upper.status_error;
3138 if (*status & rte_cpu_to_le_32(IXGBE_RXDADV_STAT_DD))
3139 return RTE_ETH_RX_DESC_DONE;
3141 return RTE_ETH_RX_DESC_AVAIL;
3145 ixgbe_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
3147 struct ixgbe_tx_queue *txq = tx_queue;
3148 volatile uint32_t *status;
3151 if (unlikely(offset >= txq->nb_tx_desc))
3154 desc = txq->tx_tail + offset;
3155 /* go to next desc that has the RS bit */
3156 desc = ((desc + txq->tx_rs_thresh - 1) / txq->tx_rs_thresh) *
3158 if (desc >= txq->nb_tx_desc) {
3159 desc -= txq->nb_tx_desc;
3160 if (desc >= txq->nb_tx_desc)
3161 desc -= txq->nb_tx_desc;
3164 status = &txq->tx_ring[desc].wb.status;
3165 if (*status & rte_cpu_to_le_32(IXGBE_ADVTXD_STAT_DD))
3166 return RTE_ETH_TX_DESC_DONE;
3168 return RTE_ETH_TX_DESC_FULL;
3171 void __attribute__((cold))
3172 ixgbe_dev_clear_queues(struct rte_eth_dev *dev)
3175 struct ixgbe_adapter *adapter =
3176 (struct ixgbe_adapter *)dev->data->dev_private;
3178 PMD_INIT_FUNC_TRACE();
3180 for (i = 0; i < dev->data->nb_tx_queues; i++) {
3181 struct ixgbe_tx_queue *txq = dev->data->tx_queues[i];
3184 txq->ops->release_mbufs(txq);
3185 txq->ops->reset(txq);
3189 for (i = 0; i < dev->data->nb_rx_queues; i++) {
3190 struct ixgbe_rx_queue *rxq = dev->data->rx_queues[i];
3193 ixgbe_rx_queue_release_mbufs(rxq);
3194 ixgbe_reset_rx_queue(adapter, rxq);
3200 ixgbe_dev_free_queues(struct rte_eth_dev *dev)
3204 PMD_INIT_FUNC_TRACE();
3206 for (i = 0; i < dev->data->nb_rx_queues; i++) {
3207 ixgbe_dev_rx_queue_release(dev->data->rx_queues[i]);
3208 dev->data->rx_queues[i] = NULL;
3210 dev->data->nb_rx_queues = 0;
3212 for (i = 0; i < dev->data->nb_tx_queues; i++) {
3213 ixgbe_dev_tx_queue_release(dev->data->tx_queues[i]);
3214 dev->data->tx_queues[i] = NULL;
3216 dev->data->nb_tx_queues = 0;
3219 /*********************************************************************
3221 * Device RX/TX init functions
3223 **********************************************************************/
3226 * Receive Side Scaling (RSS)
3227 * See section 7.1.2.8 in the following document:
3228 * "Intel 82599 10 GbE Controller Datasheet" - Revision 2.1 October 2009
3231 * The source and destination IP addresses of the IP header and the source
3232 * and destination ports of TCP/UDP headers, if any, of received packets are
3233 * hashed against a configurable random key to compute a 32-bit RSS hash result.
3234 * The seven (7) LSBs of the 32-bit hash result are used as an index into a
3235 * 128-entry redirection table (RETA). Each entry of the RETA provides a 3-bit
3236 * RSS output index which is used as the RX queue index where to store the
3238 * The following output is supplied in the RX write-back descriptor:
3239 * - 32-bit result of the Microsoft RSS hash function,
3240 * - 4-bit RSS type field.
3244 * RSS random key supplied in section 7.1.2.8.3 of the Intel 82599 datasheet.
3245 * Used as the default key.
3247 static uint8_t rss_intel_key[40] = {
3248 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
3249 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
3250 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
3251 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
3252 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
3256 ixgbe_rss_disable(struct rte_eth_dev *dev)
3258 struct ixgbe_hw *hw;
3262 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3263 mrqc_reg = ixgbe_mrqc_reg_get(hw->mac.type);
3264 mrqc = IXGBE_READ_REG(hw, mrqc_reg);
3265 mrqc &= ~IXGBE_MRQC_RSSEN;
3266 IXGBE_WRITE_REG(hw, mrqc_reg, mrqc);
3270 ixgbe_hw_rss_hash_set(struct ixgbe_hw *hw, struct rte_eth_rss_conf *rss_conf)
3280 mrqc_reg = ixgbe_mrqc_reg_get(hw->mac.type);
3281 rssrk_reg = ixgbe_rssrk_reg_get(hw->mac.type, 0);
3283 hash_key = rss_conf->rss_key;
3284 if (hash_key != NULL) {
3285 /* Fill in RSS hash key */
3286 for (i = 0; i < 10; i++) {
3287 rss_key = hash_key[(i * 4)];
3288 rss_key |= hash_key[(i * 4) + 1] << 8;
3289 rss_key |= hash_key[(i * 4) + 2] << 16;
3290 rss_key |= hash_key[(i * 4) + 3] << 24;
3291 IXGBE_WRITE_REG_ARRAY(hw, rssrk_reg, i, rss_key);
3295 /* Set configured hashing protocols in MRQC register */
3296 rss_hf = rss_conf->rss_hf;
3297 mrqc = IXGBE_MRQC_RSSEN; /* Enable RSS */
3298 if (rss_hf & ETH_RSS_IPV4)
3299 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4;
3300 if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
3301 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_TCP;
3302 if (rss_hf & ETH_RSS_IPV6)
3303 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6;
3304 if (rss_hf & ETH_RSS_IPV6_EX)
3305 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX;
3306 if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
3307 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
3308 if (rss_hf & ETH_RSS_IPV6_TCP_EX)
3309 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP;
3310 if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
3311 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
3312 if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
3313 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
3314 if (rss_hf & ETH_RSS_IPV6_UDP_EX)
3315 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP;
3316 IXGBE_WRITE_REG(hw, mrqc_reg, mrqc);
3320 ixgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
3321 struct rte_eth_rss_conf *rss_conf)
3323 struct ixgbe_hw *hw;
3328 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3330 if (!ixgbe_rss_update_sp(hw->mac.type)) {
3331 PMD_DRV_LOG(ERR, "RSS hash update is not supported on this "
3335 mrqc_reg = ixgbe_mrqc_reg_get(hw->mac.type);
3338 * Excerpt from section 7.1.2.8 Receive-Side Scaling (RSS):
3339 * "RSS enabling cannot be done dynamically while it must be
3340 * preceded by a software reset"
3341 * Before changing anything, first check that the update RSS operation
3342 * does not attempt to disable RSS, if RSS was enabled at
3343 * initialization time, or does not attempt to enable RSS, if RSS was
3344 * disabled at initialization time.
3346 rss_hf = rss_conf->rss_hf & IXGBE_RSS_OFFLOAD_ALL;
3347 mrqc = IXGBE_READ_REG(hw, mrqc_reg);
3348 if (!(mrqc & IXGBE_MRQC_RSSEN)) { /* RSS disabled */
3349 if (rss_hf != 0) /* Enable RSS */
3351 return 0; /* Nothing to do */
3354 if (rss_hf == 0) /* Disable RSS */
3356 ixgbe_hw_rss_hash_set(hw, rss_conf);
3361 ixgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
3362 struct rte_eth_rss_conf *rss_conf)
3364 struct ixgbe_hw *hw;
3373 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3374 mrqc_reg = ixgbe_mrqc_reg_get(hw->mac.type);
3375 rssrk_reg = ixgbe_rssrk_reg_get(hw->mac.type, 0);
3376 hash_key = rss_conf->rss_key;
3377 if (hash_key != NULL) {
3378 /* Return RSS hash key */
3379 for (i = 0; i < 10; i++) {
3380 rss_key = IXGBE_READ_REG_ARRAY(hw, rssrk_reg, i);
3381 hash_key[(i * 4)] = rss_key & 0x000000FF;
3382 hash_key[(i * 4) + 1] = (rss_key >> 8) & 0x000000FF;
3383 hash_key[(i * 4) + 2] = (rss_key >> 16) & 0x000000FF;
3384 hash_key[(i * 4) + 3] = (rss_key >> 24) & 0x000000FF;
3388 /* Get RSS functions configured in MRQC register */
3389 mrqc = IXGBE_READ_REG(hw, mrqc_reg);
3390 if ((mrqc & IXGBE_MRQC_RSSEN) == 0) { /* RSS is disabled */
3391 rss_conf->rss_hf = 0;
3395 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4)
3396 rss_hf |= ETH_RSS_IPV4;
3397 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4_TCP)
3398 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
3399 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6)
3400 rss_hf |= ETH_RSS_IPV6;
3401 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX)
3402 rss_hf |= ETH_RSS_IPV6_EX;
3403 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_TCP)
3404 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
3405 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP)
3406 rss_hf |= ETH_RSS_IPV6_TCP_EX;
3407 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4_UDP)
3408 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
3409 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_UDP)
3410 rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
3411 if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP)
3412 rss_hf |= ETH_RSS_IPV6_UDP_EX;
3413 rss_conf->rss_hf = rss_hf;
3418 ixgbe_rss_configure(struct rte_eth_dev *dev)
3420 struct rte_eth_rss_conf rss_conf;
3421 struct ixgbe_adapter *adapter;
3422 struct ixgbe_hw *hw;
3426 uint16_t sp_reta_size;
3429 PMD_INIT_FUNC_TRACE();
3430 adapter = (struct ixgbe_adapter *)dev->data->dev_private;
3431 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3433 sp_reta_size = ixgbe_reta_size_get(hw->mac.type);
3436 * Fill in redirection table
3437 * The byte-swap is needed because NIC registers are in
3438 * little-endian order.
3440 if (adapter->rss_reta_updated == 0) {
3442 for (i = 0, j = 0; i < sp_reta_size; i++, j++) {
3443 reta_reg = ixgbe_reta_reg_get(hw->mac.type, i);
3445 if (j == dev->data->nb_rx_queues)
3447 reta = (reta << 8) | j;
3449 IXGBE_WRITE_REG(hw, reta_reg,
3455 * Configure the RSS key and the RSS protocols used to compute
3456 * the RSS hash of input packets.
3458 rss_conf = dev->data->dev_conf.rx_adv_conf.rss_conf;
3459 if ((rss_conf.rss_hf & IXGBE_RSS_OFFLOAD_ALL) == 0) {
3460 ixgbe_rss_disable(dev);
3463 if (rss_conf.rss_key == NULL)
3464 rss_conf.rss_key = rss_intel_key; /* Default hash key */
3465 ixgbe_hw_rss_hash_set(hw, &rss_conf);
3468 #define NUM_VFTA_REGISTERS 128
3469 #define NIC_RX_BUFFER_SIZE 0x200
3470 #define X550_RX_BUFFER_SIZE 0x180
3473 ixgbe_vmdq_dcb_configure(struct rte_eth_dev *dev)
3475 struct rte_eth_vmdq_dcb_conf *cfg;
3476 struct ixgbe_hw *hw;
3477 enum rte_eth_nb_pools num_pools;
3478 uint32_t mrqc, vt_ctl, queue_mapping, vlanctrl;
3480 uint8_t nb_tcs; /* number of traffic classes */
3483 PMD_INIT_FUNC_TRACE();
3484 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3485 cfg = &dev->data->dev_conf.rx_adv_conf.vmdq_dcb_conf;
3486 num_pools = cfg->nb_queue_pools;
3487 /* Check we have a valid number of pools */
3488 if (num_pools != ETH_16_POOLS && num_pools != ETH_32_POOLS) {
3489 ixgbe_rss_disable(dev);
3492 /* 16 pools -> 8 traffic classes, 32 pools -> 4 traffic classes */
3493 nb_tcs = (uint8_t)(ETH_VMDQ_DCB_NUM_QUEUES / (int)num_pools);
3497 * split rx buffer up into sections, each for 1 traffic class
3499 switch (hw->mac.type) {
3500 case ixgbe_mac_X550:
3501 case ixgbe_mac_X550EM_x:
3502 case ixgbe_mac_X550EM_a:
3503 pbsize = (uint16_t)(X550_RX_BUFFER_SIZE / nb_tcs);
3506 pbsize = (uint16_t)(NIC_RX_BUFFER_SIZE / nb_tcs);
3509 for (i = 0; i < nb_tcs; i++) {
3510 uint32_t rxpbsize = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
3512 rxpbsize &= (~(0x3FF << IXGBE_RXPBSIZE_SHIFT));
3513 /* clear 10 bits. */
3514 rxpbsize |= (pbsize << IXGBE_RXPBSIZE_SHIFT); /* set value */
3515 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpbsize);
3517 /* zero alloc all unused TCs */
3518 for (i = nb_tcs; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
3519 uint32_t rxpbsize = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
3521 rxpbsize &= (~(0x3FF << IXGBE_RXPBSIZE_SHIFT));
3522 /* clear 10 bits. */
3523 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpbsize);
3526 /* MRQC: enable vmdq and dcb */
3527 mrqc = (num_pools == ETH_16_POOLS) ?
3528 IXGBE_MRQC_VMDQRT8TCEN : IXGBE_MRQC_VMDQRT4TCEN;
3529 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
3531 /* PFVTCTL: turn on virtualisation and set the default pool */
3532 vt_ctl = IXGBE_VT_CTL_VT_ENABLE | IXGBE_VT_CTL_REPLEN;
3533 if (cfg->enable_default_pool) {
3534 vt_ctl |= (cfg->default_pool << IXGBE_VT_CTL_POOL_SHIFT);
3536 vt_ctl |= IXGBE_VT_CTL_DIS_DEFPL;
3539 IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vt_ctl);
3541 /* RTRUP2TC: mapping user priorities to traffic classes (TCs) */
3543 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++)
3545 * mapping is done with 3 bits per priority,
3546 * so shift by i*3 each time
3548 queue_mapping |= ((cfg->dcb_tc[i] & 0x07) << (i * 3));
3550 IXGBE_WRITE_REG(hw, IXGBE_RTRUP2TC, queue_mapping);
3552 /* RTRPCS: DCB related */
3553 IXGBE_WRITE_REG(hw, IXGBE_RTRPCS, IXGBE_RMCS_RRM);
3555 /* VLNCTRL: enable vlan filtering and allow all vlan tags through */
3556 vlanctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
3557 vlanctrl |= IXGBE_VLNCTRL_VFE; /* enable vlan filters */
3558 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlanctrl);
3560 /* VFTA - enable all vlan filters */
3561 for (i = 0; i < NUM_VFTA_REGISTERS; i++) {
3562 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 0xFFFFFFFF);
3565 /* VFRE: pool enabling for receive - 16 or 32 */
3566 IXGBE_WRITE_REG(hw, IXGBE_VFRE(0),
3567 num_pools == ETH_16_POOLS ? 0xFFFF : 0xFFFFFFFF);
3570 * MPSAR - allow pools to read specific mac addresses
3571 * In this case, all pools should be able to read from mac addr 0
3573 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(0), 0xFFFFFFFF);
3574 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(0), 0xFFFFFFFF);
3576 /* PFVLVF, PFVLVFB: set up filters for vlan tags as configured */
3577 for (i = 0; i < cfg->nb_pool_maps; i++) {
3578 /* set vlan id in VF register and set the valid bit */
3579 IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), (IXGBE_VLVF_VIEN |
3580 (cfg->pool_map[i].vlan_id & 0xFFF)));
3582 * Put the allowed pools in VFB reg. As we only have 16 or 32
3583 * pools, we only need to use the first half of the register
3586 IXGBE_WRITE_REG(hw, IXGBE_VLVFB(i*2), cfg->pool_map[i].pools);
3591 * ixgbe_dcb_config_tx_hw_config - Configure general DCB TX parameters
3592 * @dev: pointer to eth_dev structure
3593 * @dcb_config: pointer to ixgbe_dcb_config structure
3596 ixgbe_dcb_tx_hw_config(struct rte_eth_dev *dev,
3597 struct ixgbe_dcb_config *dcb_config)
3600 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3602 PMD_INIT_FUNC_TRACE();
3603 if (hw->mac.type != ixgbe_mac_82598EB) {
3604 /* Disable the Tx desc arbiter so that MTQC can be changed */
3605 reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
3606 reg |= IXGBE_RTTDCS_ARBDIS;
3607 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg);
3609 /* Enable DCB for Tx with 8 TCs */
3610 if (dcb_config->num_tcs.pg_tcs == 8) {
3611 reg = IXGBE_MTQC_RT_ENA | IXGBE_MTQC_8TC_8TQ;
3613 reg = IXGBE_MTQC_RT_ENA | IXGBE_MTQC_4TC_4TQ;
3615 if (dcb_config->vt_mode)
3616 reg |= IXGBE_MTQC_VT_ENA;
3617 IXGBE_WRITE_REG(hw, IXGBE_MTQC, reg);
3619 /* Enable the Tx desc arbiter */
3620 reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
3621 reg &= ~IXGBE_RTTDCS_ARBDIS;
3622 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg);
3624 /* Enable Security TX Buffer IFG for DCB */
3625 reg = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
3626 reg |= IXGBE_SECTX_DCB;
3627 IXGBE_WRITE_REG(hw, IXGBE_SECTXMINIFG, reg);
3632 * ixgbe_vmdq_dcb_hw_tx_config - Configure general VMDQ+DCB TX parameters
3633 * @dev: pointer to rte_eth_dev structure
3634 * @dcb_config: pointer to ixgbe_dcb_config structure
3637 ixgbe_vmdq_dcb_hw_tx_config(struct rte_eth_dev *dev,
3638 struct ixgbe_dcb_config *dcb_config)
3640 struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf =
3641 &dev->data->dev_conf.tx_adv_conf.vmdq_dcb_tx_conf;
3642 struct ixgbe_hw *hw =
3643 IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3645 PMD_INIT_FUNC_TRACE();
3646 if (hw->mac.type != ixgbe_mac_82598EB)
3647 /*PF VF Transmit Enable*/
3648 IXGBE_WRITE_REG(hw, IXGBE_VFTE(0),
3649 vmdq_tx_conf->nb_queue_pools == ETH_16_POOLS ? 0xFFFF : 0xFFFFFFFF);
3651 /*Configure general DCB TX parameters*/
3652 ixgbe_dcb_tx_hw_config(dev, dcb_config);
3656 ixgbe_vmdq_dcb_rx_config(struct rte_eth_dev *dev,
3657 struct ixgbe_dcb_config *dcb_config)
3659 struct rte_eth_vmdq_dcb_conf *vmdq_rx_conf =
3660 &dev->data->dev_conf.rx_adv_conf.vmdq_dcb_conf;
3661 struct ixgbe_dcb_tc_config *tc;
3664 /* convert rte_eth_conf.rx_adv_conf to struct ixgbe_dcb_config */
3665 if (vmdq_rx_conf->nb_queue_pools == ETH_16_POOLS) {
3666 dcb_config->num_tcs.pg_tcs = ETH_8_TCS;
3667 dcb_config->num_tcs.pfc_tcs = ETH_8_TCS;
3669 dcb_config->num_tcs.pg_tcs = ETH_4_TCS;
3670 dcb_config->num_tcs.pfc_tcs = ETH_4_TCS;
3673 /* Initialize User Priority to Traffic Class mapping */
3674 for (j = 0; j < IXGBE_DCB_MAX_TRAFFIC_CLASS; j++) {
3675 tc = &dcb_config->tc_config[j];
3676 tc->path[IXGBE_DCB_RX_CONFIG].up_to_tc_bitmap = 0;
3679 /* User Priority to Traffic Class mapping */
3680 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
3681 j = vmdq_rx_conf->dcb_tc[i];
3682 tc = &dcb_config->tc_config[j];
3683 tc->path[IXGBE_DCB_RX_CONFIG].up_to_tc_bitmap |=
3689 ixgbe_dcb_vt_tx_config(struct rte_eth_dev *dev,
3690 struct ixgbe_dcb_config *dcb_config)
3692 struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf =
3693 &dev->data->dev_conf.tx_adv_conf.vmdq_dcb_tx_conf;
3694 struct ixgbe_dcb_tc_config *tc;
3697 /* convert rte_eth_conf.rx_adv_conf to struct ixgbe_dcb_config */
3698 if (vmdq_tx_conf->nb_queue_pools == ETH_16_POOLS) {
3699 dcb_config->num_tcs.pg_tcs = ETH_8_TCS;
3700 dcb_config->num_tcs.pfc_tcs = ETH_8_TCS;
3702 dcb_config->num_tcs.pg_tcs = ETH_4_TCS;
3703 dcb_config->num_tcs.pfc_tcs = ETH_4_TCS;
3706 /* Initialize User Priority to Traffic Class mapping */
3707 for (j = 0; j < IXGBE_DCB_MAX_TRAFFIC_CLASS; j++) {
3708 tc = &dcb_config->tc_config[j];
3709 tc->path[IXGBE_DCB_TX_CONFIG].up_to_tc_bitmap = 0;
3712 /* User Priority to Traffic Class mapping */
3713 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
3714 j = vmdq_tx_conf->dcb_tc[i];
3715 tc = &dcb_config->tc_config[j];
3716 tc->path[IXGBE_DCB_TX_CONFIG].up_to_tc_bitmap |=
3722 ixgbe_dcb_rx_config(struct rte_eth_dev *dev,
3723 struct ixgbe_dcb_config *dcb_config)
3725 struct rte_eth_dcb_rx_conf *rx_conf =
3726 &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
3727 struct ixgbe_dcb_tc_config *tc;
3730 dcb_config->num_tcs.pg_tcs = (uint8_t)rx_conf->nb_tcs;
3731 dcb_config->num_tcs.pfc_tcs = (uint8_t)rx_conf->nb_tcs;
3733 /* Initialize User Priority to Traffic Class mapping */
3734 for (j = 0; j < IXGBE_DCB_MAX_TRAFFIC_CLASS; j++) {
3735 tc = &dcb_config->tc_config[j];
3736 tc->path[IXGBE_DCB_RX_CONFIG].up_to_tc_bitmap = 0;
3739 /* User Priority to Traffic Class mapping */
3740 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
3741 j = rx_conf->dcb_tc[i];
3742 tc = &dcb_config->tc_config[j];
3743 tc->path[IXGBE_DCB_RX_CONFIG].up_to_tc_bitmap |=
3749 ixgbe_dcb_tx_config(struct rte_eth_dev *dev,
3750 struct ixgbe_dcb_config *dcb_config)
3752 struct rte_eth_dcb_tx_conf *tx_conf =
3753 &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
3754 struct ixgbe_dcb_tc_config *tc;
3757 dcb_config->num_tcs.pg_tcs = (uint8_t)tx_conf->nb_tcs;
3758 dcb_config->num_tcs.pfc_tcs = (uint8_t)tx_conf->nb_tcs;
3760 /* Initialize User Priority to Traffic Class mapping */
3761 for (j = 0; j < IXGBE_DCB_MAX_TRAFFIC_CLASS; j++) {
3762 tc = &dcb_config->tc_config[j];
3763 tc->path[IXGBE_DCB_TX_CONFIG].up_to_tc_bitmap = 0;
3766 /* User Priority to Traffic Class mapping */
3767 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
3768 j = tx_conf->dcb_tc[i];
3769 tc = &dcb_config->tc_config[j];
3770 tc->path[IXGBE_DCB_TX_CONFIG].up_to_tc_bitmap |=
3776 * ixgbe_dcb_rx_hw_config - Configure general DCB RX HW parameters
3777 * @dev: pointer to eth_dev structure
3778 * @dcb_config: pointer to ixgbe_dcb_config structure
3781 ixgbe_dcb_rx_hw_config(struct rte_eth_dev *dev,
3782 struct ixgbe_dcb_config *dcb_config)
3788 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3790 PMD_INIT_FUNC_TRACE();
3792 * Disable the arbiter before changing parameters
3793 * (always enable recycle mode; WSP)
3795 reg = IXGBE_RTRPCS_RRM | IXGBE_RTRPCS_RAC | IXGBE_RTRPCS_ARBDIS;
3796 IXGBE_WRITE_REG(hw, IXGBE_RTRPCS, reg);
3798 if (hw->mac.type != ixgbe_mac_82598EB) {
3799 reg = IXGBE_READ_REG(hw, IXGBE_MRQC);
3800 if (dcb_config->num_tcs.pg_tcs == 4) {
3801 if (dcb_config->vt_mode)
3802 reg = (reg & ~IXGBE_MRQC_MRQE_MASK) |
3803 IXGBE_MRQC_VMDQRT4TCEN;
3805 /* no matter the mode is DCB or DCB_RSS, just
3806 * set the MRQE to RSSXTCEN. RSS is controlled
3809 IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, 0);
3810 reg = (reg & ~IXGBE_MRQC_MRQE_MASK) |
3811 IXGBE_MRQC_RTRSS4TCEN;
3814 if (dcb_config->num_tcs.pg_tcs == 8) {
3815 if (dcb_config->vt_mode)
3816 reg = (reg & ~IXGBE_MRQC_MRQE_MASK) |
3817 IXGBE_MRQC_VMDQRT8TCEN;
3819 IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, 0);
3820 reg = (reg & ~IXGBE_MRQC_MRQE_MASK) |
3821 IXGBE_MRQC_RTRSS8TCEN;
3825 IXGBE_WRITE_REG(hw, IXGBE_MRQC, reg);
3827 if (RTE_ETH_DEV_SRIOV(dev).active == 0) {
3828 /* Disable drop for all queues in VMDQ mode*/
3829 for (q = 0; q < IXGBE_MAX_RX_QUEUE_NUM; q++)
3830 IXGBE_WRITE_REG(hw, IXGBE_QDE,
3832 (q << IXGBE_QDE_IDX_SHIFT)));
3834 /* Enable drop for all queues in SRIOV mode */
3835 for (q = 0; q < IXGBE_MAX_RX_QUEUE_NUM; q++)
3836 IXGBE_WRITE_REG(hw, IXGBE_QDE,
3838 (q << IXGBE_QDE_IDX_SHIFT) |
3843 /* VLNCTRL: enable vlan filtering and allow all vlan tags through */
3844 vlanctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
3845 vlanctrl |= IXGBE_VLNCTRL_VFE; /* enable vlan filters */
3846 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlanctrl);
3848 /* VFTA - enable all vlan filters */
3849 for (i = 0; i < NUM_VFTA_REGISTERS; i++) {
3850 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), 0xFFFFFFFF);
3854 * Configure Rx packet plane (recycle mode; WSP) and
3857 reg = IXGBE_RTRPCS_RRM | IXGBE_RTRPCS_RAC;
3858 IXGBE_WRITE_REG(hw, IXGBE_RTRPCS, reg);
3862 ixgbe_dcb_hw_arbite_rx_config(struct ixgbe_hw *hw, uint16_t *refill,
3863 uint16_t *max, uint8_t *bwg_id, uint8_t *tsa, uint8_t *map)
3865 switch (hw->mac.type) {
3866 case ixgbe_mac_82598EB:
3867 ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, tsa);
3869 case ixgbe_mac_82599EB:
3870 case ixgbe_mac_X540:
3871 case ixgbe_mac_X550:
3872 case ixgbe_mac_X550EM_x:
3873 case ixgbe_mac_X550EM_a:
3874 ixgbe_dcb_config_rx_arbiter_82599(hw, refill, max, bwg_id,
3883 ixgbe_dcb_hw_arbite_tx_config(struct ixgbe_hw *hw, uint16_t *refill, uint16_t *max,
3884 uint8_t *bwg_id, uint8_t *tsa, uint8_t *map)
3886 switch (hw->mac.type) {
3887 case ixgbe_mac_82598EB:
3888 ixgbe_dcb_config_tx_desc_arbiter_82598(hw, refill, max, bwg_id, tsa);
3889 ixgbe_dcb_config_tx_data_arbiter_82598(hw, refill, max, bwg_id, tsa);
3891 case ixgbe_mac_82599EB:
3892 case ixgbe_mac_X540:
3893 case ixgbe_mac_X550:
3894 case ixgbe_mac_X550EM_x:
3895 case ixgbe_mac_X550EM_a:
3896 ixgbe_dcb_config_tx_desc_arbiter_82599(hw, refill, max, bwg_id, tsa);
3897 ixgbe_dcb_config_tx_data_arbiter_82599(hw, refill, max, bwg_id, tsa, map);
3904 #define DCB_RX_CONFIG 1
3905 #define DCB_TX_CONFIG 1
3906 #define DCB_TX_PB 1024
3908 * ixgbe_dcb_hw_configure - Enable DCB and configure
3909 * general DCB in VT mode and non-VT mode parameters
3910 * @dev: pointer to rte_eth_dev structure
3911 * @dcb_config: pointer to ixgbe_dcb_config structure
3914 ixgbe_dcb_hw_configure(struct rte_eth_dev *dev,
3915 struct ixgbe_dcb_config *dcb_config)
3918 uint8_t i, pfc_en, nb_tcs;
3919 uint16_t pbsize, rx_buffer_size;
3920 uint8_t config_dcb_rx = 0;
3921 uint8_t config_dcb_tx = 0;
3922 uint8_t tsa[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
3923 uint8_t bwgid[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
3924 uint16_t refill[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
3925 uint16_t max[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
3926 uint8_t map[IXGBE_DCB_MAX_TRAFFIC_CLASS] = {0};
3927 struct ixgbe_dcb_tc_config *tc;
3928 uint32_t max_frame = dev->data->mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
3929 struct ixgbe_hw *hw =
3930 IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3931 struct ixgbe_bw_conf *bw_conf =
3932 IXGBE_DEV_PRIVATE_TO_BW_CONF(dev->data->dev_private);
3934 switch (dev->data->dev_conf.rxmode.mq_mode) {
3935 case ETH_MQ_RX_VMDQ_DCB:
3936 dcb_config->vt_mode = true;
3937 if (hw->mac.type != ixgbe_mac_82598EB) {
3938 config_dcb_rx = DCB_RX_CONFIG;
3940 *get dcb and VT rx configuration parameters
3943 ixgbe_vmdq_dcb_rx_config(dev, dcb_config);
3944 /*Configure general VMDQ and DCB RX parameters*/
3945 ixgbe_vmdq_dcb_configure(dev);
3949 case ETH_MQ_RX_DCB_RSS:
3950 dcb_config->vt_mode = false;
3951 config_dcb_rx = DCB_RX_CONFIG;
3952 /* Get dcb TX configuration parameters from rte_eth_conf */
3953 ixgbe_dcb_rx_config(dev, dcb_config);
3954 /*Configure general DCB RX parameters*/
3955 ixgbe_dcb_rx_hw_config(dev, dcb_config);
3958 PMD_INIT_LOG(ERR, "Incorrect DCB RX mode configuration");
3961 switch (dev->data->dev_conf.txmode.mq_mode) {
3962 case ETH_MQ_TX_VMDQ_DCB:
3963 dcb_config->vt_mode = true;
3964 config_dcb_tx = DCB_TX_CONFIG;
3965 /* get DCB and VT TX configuration parameters
3968 ixgbe_dcb_vt_tx_config(dev, dcb_config);
3969 /*Configure general VMDQ and DCB TX parameters*/
3970 ixgbe_vmdq_dcb_hw_tx_config(dev, dcb_config);
3974 dcb_config->vt_mode = false;
3975 config_dcb_tx = DCB_TX_CONFIG;
3976 /*get DCB TX configuration parameters from rte_eth_conf*/
3977 ixgbe_dcb_tx_config(dev, dcb_config);
3978 /*Configure general DCB TX parameters*/
3979 ixgbe_dcb_tx_hw_config(dev, dcb_config);
3982 PMD_INIT_LOG(ERR, "Incorrect DCB TX mode configuration");
3986 nb_tcs = dcb_config->num_tcs.pfc_tcs;
3988 ixgbe_dcb_unpack_map_cee(dcb_config, IXGBE_DCB_RX_CONFIG, map);
3989 if (nb_tcs == ETH_4_TCS) {
3990 /* Avoid un-configured priority mapping to TC0 */
3992 uint8_t mask = 0xFF;
3994 for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES - 4; i++)
3995 mask = (uint8_t)(mask & (~(1 << map[i])));
3996 for (i = 0; mask && (i < IXGBE_DCB_MAX_TRAFFIC_CLASS); i++) {
3997 if ((mask & 0x1) && (j < ETH_DCB_NUM_USER_PRIORITIES))
4001 /* Re-configure 4 TCs BW */
4002 for (i = 0; i < nb_tcs; i++) {
4003 tc = &dcb_config->tc_config[i];
4004 if (bw_conf->tc_num != nb_tcs)
4005 tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent =
4006 (uint8_t)(100 / nb_tcs);
4007 tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent =
4008 (uint8_t)(100 / nb_tcs);
4010 for (; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
4011 tc = &dcb_config->tc_config[i];
4012 tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent = 0;
4013 tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent = 0;
4016 /* Re-configure 8 TCs BW */
4017 for (i = 0; i < nb_tcs; i++) {
4018 tc = &dcb_config->tc_config[i];
4019 if (bw_conf->tc_num != nb_tcs)
4020 tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent =
4021 (uint8_t)(100 / nb_tcs + (i & 1));
4022 tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent =
4023 (uint8_t)(100 / nb_tcs + (i & 1));
4027 switch (hw->mac.type) {
4028 case ixgbe_mac_X550:
4029 case ixgbe_mac_X550EM_x:
4030 case ixgbe_mac_X550EM_a:
4031 rx_buffer_size = X550_RX_BUFFER_SIZE;
4034 rx_buffer_size = NIC_RX_BUFFER_SIZE;
4038 if (config_dcb_rx) {
4039 /* Set RX buffer size */
4040 pbsize = (uint16_t)(rx_buffer_size / nb_tcs);
4041 uint32_t rxpbsize = pbsize << IXGBE_RXPBSIZE_SHIFT;
4043 for (i = 0; i < nb_tcs; i++) {
4044 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpbsize);
4046 /* zero alloc all unused TCs */
4047 for (; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
4048 IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0);
4051 if (config_dcb_tx) {
4052 /* Only support an equally distributed
4053 * Tx packet buffer strategy.
4055 uint32_t txpktsize = IXGBE_TXPBSIZE_MAX / nb_tcs;
4056 uint32_t txpbthresh = (txpktsize / DCB_TX_PB) - IXGBE_TXPKT_SIZE_MAX;
4058 for (i = 0; i < nb_tcs; i++) {
4059 IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), txpktsize);
4060 IXGBE_WRITE_REG(hw, IXGBE_TXPBTHRESH(i), txpbthresh);
4062 /* Clear unused TCs, if any, to zero buffer size*/
4063 for (; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
4064 IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), 0);
4065 IXGBE_WRITE_REG(hw, IXGBE_TXPBTHRESH(i), 0);
4069 /*Calculates traffic class credits*/
4070 ixgbe_dcb_calculate_tc_credits_cee(hw, dcb_config, max_frame,
4071 IXGBE_DCB_TX_CONFIG);
4072 ixgbe_dcb_calculate_tc_credits_cee(hw, dcb_config, max_frame,
4073 IXGBE_DCB_RX_CONFIG);
4075 if (config_dcb_rx) {
4076 /* Unpack CEE standard containers */
4077 ixgbe_dcb_unpack_refill_cee(dcb_config, IXGBE_DCB_RX_CONFIG, refill);
4078 ixgbe_dcb_unpack_max_cee(dcb_config, max);
4079 ixgbe_dcb_unpack_bwgid_cee(dcb_config, IXGBE_DCB_RX_CONFIG, bwgid);
4080 ixgbe_dcb_unpack_tsa_cee(dcb_config, IXGBE_DCB_RX_CONFIG, tsa);
4081 /* Configure PG(ETS) RX */
4082 ixgbe_dcb_hw_arbite_rx_config(hw, refill, max, bwgid, tsa, map);
4085 if (config_dcb_tx) {
4086 /* Unpack CEE standard containers */
4087 ixgbe_dcb_unpack_refill_cee(dcb_config, IXGBE_DCB_TX_CONFIG, refill);
4088 ixgbe_dcb_unpack_max_cee(dcb_config, max);
4089 ixgbe_dcb_unpack_bwgid_cee(dcb_config, IXGBE_DCB_TX_CONFIG, bwgid);
4090 ixgbe_dcb_unpack_tsa_cee(dcb_config, IXGBE_DCB_TX_CONFIG, tsa);
4091 /* Configure PG(ETS) TX */
4092 ixgbe_dcb_hw_arbite_tx_config(hw, refill, max, bwgid, tsa, map);
4095 /*Configure queue statistics registers*/
4096 ixgbe_dcb_config_tc_stats_82599(hw, dcb_config);
4098 /* Check if the PFC is supported */
4099 if (dev->data->dev_conf.dcb_capability_en & ETH_DCB_PFC_SUPPORT) {
4100 pbsize = (uint16_t)(rx_buffer_size / nb_tcs);
4101 for (i = 0; i < nb_tcs; i++) {
4103 * If the TC count is 8,and the default high_water is 48,
4104 * the low_water is 16 as default.
4106 hw->fc.high_water[i] = (pbsize * 3) / 4;
4107 hw->fc.low_water[i] = pbsize / 4;
4108 /* Enable pfc for this TC */
4109 tc = &dcb_config->tc_config[i];
4110 tc->pfc = ixgbe_dcb_pfc_enabled;
4112 ixgbe_dcb_unpack_pfc_cee(dcb_config, map, &pfc_en);
4113 if (dcb_config->num_tcs.pfc_tcs == ETH_4_TCS)
4115 ret = ixgbe_dcb_config_pfc(hw, pfc_en, map);
4122 * ixgbe_configure_dcb - Configure DCB Hardware
4123 * @dev: pointer to rte_eth_dev
4125 void ixgbe_configure_dcb(struct rte_eth_dev *dev)
4127 struct ixgbe_dcb_config *dcb_cfg =
4128 IXGBE_DEV_PRIVATE_TO_DCB_CFG(dev->data->dev_private);
4129 struct rte_eth_conf *dev_conf = &(dev->data->dev_conf);
4131 PMD_INIT_FUNC_TRACE();
4133 /* check support mq_mode for DCB */
4134 if ((dev_conf->rxmode.mq_mode != ETH_MQ_RX_VMDQ_DCB) &&
4135 (dev_conf->rxmode.mq_mode != ETH_MQ_RX_DCB) &&
4136 (dev_conf->rxmode.mq_mode != ETH_MQ_RX_DCB_RSS))
4139 if (dev->data->nb_rx_queues > ETH_DCB_NUM_QUEUES)
4142 /** Configure DCB hardware **/
4143 ixgbe_dcb_hw_configure(dev, dcb_cfg);
4147 * VMDq only support for 10 GbE NIC.
4150 ixgbe_vmdq_rx_hw_configure(struct rte_eth_dev *dev)
4152 struct rte_eth_vmdq_rx_conf *cfg;
4153 struct ixgbe_hw *hw;
4154 enum rte_eth_nb_pools num_pools;
4155 uint32_t mrqc, vt_ctl, vlanctrl;
4159 PMD_INIT_FUNC_TRACE();
4160 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4161 cfg = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
4162 num_pools = cfg->nb_queue_pools;
4164 ixgbe_rss_disable(dev);
4166 /* MRQC: enable vmdq */
4167 mrqc = IXGBE_MRQC_VMDQEN;
4168 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
4170 /* PFVTCTL: turn on virtualisation and set the default pool */
4171 vt_ctl = IXGBE_VT_CTL_VT_ENABLE | IXGBE_VT_CTL_REPLEN;
4172 if (cfg->enable_default_pool)
4173 vt_ctl |= (cfg->default_pool << IXGBE_VT_CTL_POOL_SHIFT);
4175 vt_ctl |= IXGBE_VT_CTL_DIS_DEFPL;
4177 IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vt_ctl);
4179 for (i = 0; i < (int)num_pools; i++) {
4180 vmolr = ixgbe_convert_vm_rx_mask_to_val(cfg->rx_mode, vmolr);
4181 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr);
4184 /* VLNCTRL: enable vlan filtering and allow all vlan tags through */
4185 vlanctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
4186 vlanctrl |= IXGBE_VLNCTRL_VFE; /* enable vlan filters */
4187 IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlanctrl);
4189 /* VFTA - enable all vlan filters */
4190 for (i = 0; i < NUM_VFTA_REGISTERS; i++)
4191 IXGBE_WRITE_REG(hw, IXGBE_VFTA(i), UINT32_MAX);
4193 /* VFRE: pool enabling for receive - 64 */
4194 IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), UINT32_MAX);
4195 if (num_pools == ETH_64_POOLS)
4196 IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), UINT32_MAX);
4199 * MPSAR - allow pools to read specific mac addresses
4200 * In this case, all pools should be able to read from mac addr 0
4202 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(0), UINT32_MAX);
4203 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(0), UINT32_MAX);
4205 /* PFVLVF, PFVLVFB: set up filters for vlan tags as configured */
4206 for (i = 0; i < cfg->nb_pool_maps; i++) {
4207 /* set vlan id in VF register and set the valid bit */
4208 IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), (IXGBE_VLVF_VIEN |
4209 (cfg->pool_map[i].vlan_id & IXGBE_RXD_VLAN_ID_MASK)));
4211 * Put the allowed pools in VFB reg. As we only have 16 or 64
4212 * pools, we only need to use the first half of the register
4215 if (((cfg->pool_map[i].pools >> 32) & UINT32_MAX) == 0)
4216 IXGBE_WRITE_REG(hw, IXGBE_VLVFB(i * 2),
4217 (cfg->pool_map[i].pools & UINT32_MAX));
4219 IXGBE_WRITE_REG(hw, IXGBE_VLVFB((i * 2 + 1)),
4220 ((cfg->pool_map[i].pools >> 32) & UINT32_MAX));
4224 /* PFDMA Tx General Switch Control Enables VMDQ loopback */
4225 if (cfg->enable_loop_back) {
4226 IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
4227 for (i = 0; i < RTE_IXGBE_VMTXSW_REGISTER_COUNT; i++)
4228 IXGBE_WRITE_REG(hw, IXGBE_VMTXSW(i), UINT32_MAX);
4231 IXGBE_WRITE_FLUSH(hw);
4235 * ixgbe_dcb_config_tx_hw_config - Configure general VMDq TX parameters
4236 * @hw: pointer to hardware structure
4239 ixgbe_vmdq_tx_hw_configure(struct ixgbe_hw *hw)
4244 PMD_INIT_FUNC_TRACE();
4245 /*PF VF Transmit Enable*/
4246 IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), UINT32_MAX);
4247 IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), UINT32_MAX);
4249 /* Disable the Tx desc arbiter so that MTQC can be changed */
4250 reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
4251 reg |= IXGBE_RTTDCS_ARBDIS;
4252 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg);
4254 reg = IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF;
4255 IXGBE_WRITE_REG(hw, IXGBE_MTQC, reg);
4257 /* Disable drop for all queues */
4258 for (q = 0; q < IXGBE_MAX_RX_QUEUE_NUM; q++)
4259 IXGBE_WRITE_REG(hw, IXGBE_QDE,
4260 (IXGBE_QDE_WRITE | (q << IXGBE_QDE_IDX_SHIFT)));
4262 /* Enable the Tx desc arbiter */
4263 reg = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
4264 reg &= ~IXGBE_RTTDCS_ARBDIS;
4265 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, reg);
4267 IXGBE_WRITE_FLUSH(hw);
4270 static int __attribute__((cold))
4271 ixgbe_alloc_rx_queue_mbufs(struct ixgbe_rx_queue *rxq)
4273 struct ixgbe_rx_entry *rxe = rxq->sw_ring;
4277 /* Initialize software ring entries */
4278 for (i = 0; i < rxq->nb_rx_desc; i++) {
4279 volatile union ixgbe_adv_rx_desc *rxd;
4280 struct rte_mbuf *mbuf = rte_mbuf_raw_alloc(rxq->mb_pool);
4283 PMD_INIT_LOG(ERR, "RX mbuf alloc failed queue_id=%u",
4284 (unsigned) rxq->queue_id);
4288 mbuf->data_off = RTE_PKTMBUF_HEADROOM;
4289 mbuf->port = rxq->port_id;
4292 rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
4293 rxd = &rxq->rx_ring[i];
4294 rxd->read.hdr_addr = 0;
4295 rxd->read.pkt_addr = dma_addr;
4303 ixgbe_config_vf_rss(struct rte_eth_dev *dev)
4305 struct ixgbe_hw *hw;
4308 ixgbe_rss_configure(dev);
4310 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4312 /* MRQC: enable VF RSS */
4313 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
4314 mrqc &= ~IXGBE_MRQC_MRQE_MASK;
4315 switch (RTE_ETH_DEV_SRIOV(dev).active) {
4317 mrqc |= IXGBE_MRQC_VMDQRSS64EN;
4321 mrqc |= IXGBE_MRQC_VMDQRSS32EN;
4325 PMD_INIT_LOG(ERR, "Invalid pool number in IOV mode with VMDQ RSS");
4329 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
4335 ixgbe_config_vf_default(struct rte_eth_dev *dev)
4337 struct ixgbe_hw *hw =
4338 IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4340 switch (RTE_ETH_DEV_SRIOV(dev).active) {
4342 IXGBE_WRITE_REG(hw, IXGBE_MRQC,
4347 IXGBE_WRITE_REG(hw, IXGBE_MRQC,
4348 IXGBE_MRQC_VMDQRT4TCEN);
4352 IXGBE_WRITE_REG(hw, IXGBE_MRQC,
4353 IXGBE_MRQC_VMDQRT8TCEN);
4357 "invalid pool number in IOV mode");
4364 ixgbe_dev_mq_rx_configure(struct rte_eth_dev *dev)
4366 struct ixgbe_hw *hw =
4367 IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4369 if (hw->mac.type == ixgbe_mac_82598EB)
4372 if (RTE_ETH_DEV_SRIOV(dev).active == 0) {
4374 * SRIOV inactive scheme
4375 * any DCB/RSS w/o VMDq multi-queue setting
4377 switch (dev->data->dev_conf.rxmode.mq_mode) {
4379 case ETH_MQ_RX_DCB_RSS:
4380 case ETH_MQ_RX_VMDQ_RSS:
4381 ixgbe_rss_configure(dev);
4384 case ETH_MQ_RX_VMDQ_DCB:
4385 ixgbe_vmdq_dcb_configure(dev);
4388 case ETH_MQ_RX_VMDQ_ONLY:
4389 ixgbe_vmdq_rx_hw_configure(dev);
4392 case ETH_MQ_RX_NONE:
4394 /* if mq_mode is none, disable rss mode.*/
4395 ixgbe_rss_disable(dev);
4399 /* SRIOV active scheme
4400 * Support RSS together with SRIOV.
4402 switch (dev->data->dev_conf.rxmode.mq_mode) {
4404 case ETH_MQ_RX_VMDQ_RSS:
4405 ixgbe_config_vf_rss(dev);
4407 case ETH_MQ_RX_VMDQ_DCB:
4409 /* In SRIOV, the configuration is the same as VMDq case */
4410 ixgbe_vmdq_dcb_configure(dev);
4412 /* DCB/RSS together with SRIOV is not supported */
4413 case ETH_MQ_RX_VMDQ_DCB_RSS:
4414 case ETH_MQ_RX_DCB_RSS:
4416 "Could not support DCB/RSS with VMDq & SRIOV");
4419 ixgbe_config_vf_default(dev);
4428 ixgbe_dev_mq_tx_configure(struct rte_eth_dev *dev)
4430 struct ixgbe_hw *hw =
4431 IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4435 if (hw->mac.type == ixgbe_mac_82598EB)
4438 /* disable arbiter before setting MTQC */
4439 rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
4440 rttdcs |= IXGBE_RTTDCS_ARBDIS;
4441 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
4443 if (RTE_ETH_DEV_SRIOV(dev).active == 0) {
4445 * SRIOV inactive scheme
4446 * any DCB w/o VMDq multi-queue setting
4448 if (dev->data->dev_conf.txmode.mq_mode == ETH_MQ_TX_VMDQ_ONLY)
4449 ixgbe_vmdq_tx_hw_configure(hw);
4451 mtqc = IXGBE_MTQC_64Q_1PB;
4452 IXGBE_WRITE_REG(hw, IXGBE_MTQC, mtqc);
4455 switch (RTE_ETH_DEV_SRIOV(dev).active) {
4458 * SRIOV active scheme
4459 * FIXME if support DCB together with VMDq & SRIOV
4462 mtqc = IXGBE_MTQC_VT_ENA | IXGBE_MTQC_64VF;
4465 mtqc = IXGBE_MTQC_VT_ENA | IXGBE_MTQC_32VF;
4468 mtqc = IXGBE_MTQC_VT_ENA | IXGBE_MTQC_RT_ENA |
4472 mtqc = IXGBE_MTQC_64Q_1PB;
4473 PMD_INIT_LOG(ERR, "invalid pool number in IOV mode");
4475 IXGBE_WRITE_REG(hw, IXGBE_MTQC, mtqc);
4478 /* re-enable arbiter */
4479 rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
4480 IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
4486 * ixgbe_get_rscctl_maxdesc - Calculate the RSCCTL[n].MAXDESC for PF
4488 * Return the RSCCTL[n].MAXDESC for 82599 and x540 PF devices according to the
4489 * spec rev. 3.0 chapter 8.2.3.8.13.
4491 * @pool Memory pool of the Rx queue
4493 static inline uint32_t
4494 ixgbe_get_rscctl_maxdesc(struct rte_mempool *pool)
4496 struct rte_pktmbuf_pool_private *mp_priv = rte_mempool_get_priv(pool);
4498 /* MAXDESC * SRRCTL.BSIZEPKT must not exceed 64 KB minus one */
4501 (mp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM);
4504 return IXGBE_RSCCTL_MAXDESC_16;
4505 else if (maxdesc >= 8)
4506 return IXGBE_RSCCTL_MAXDESC_8;
4507 else if (maxdesc >= 4)
4508 return IXGBE_RSCCTL_MAXDESC_4;
4510 return IXGBE_RSCCTL_MAXDESC_1;
4514 * ixgbe_set_ivar - Setup the correct IVAR register for a particular MSIX
4517 * (Taken from FreeBSD tree)
4518 * (yes this is all very magic and confusing :)
4521 * @entry the register array entry
4522 * @vector the MSIX vector for this queue
4526 ixgbe_set_ivar(struct rte_eth_dev *dev, u8 entry, u8 vector, s8 type)
4528 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4531 vector |= IXGBE_IVAR_ALLOC_VAL;
4533 switch (hw->mac.type) {
4535 case ixgbe_mac_82598EB:
4537 entry = IXGBE_IVAR_OTHER_CAUSES_INDEX;
4539 entry += (type * 64);
4540 index = (entry >> 2) & 0x1F;
4541 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(index));
4542 ivar &= ~(0xFF << (8 * (entry & 0x3)));
4543 ivar |= (vector << (8 * (entry & 0x3)));
4544 IXGBE_WRITE_REG(hw, IXGBE_IVAR(index), ivar);
4547 case ixgbe_mac_82599EB:
4548 case ixgbe_mac_X540:
4549 if (type == -1) { /* MISC IVAR */
4550 index = (entry & 1) * 8;
4551 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR_MISC);
4552 ivar &= ~(0xFF << index);
4553 ivar |= (vector << index);
4554 IXGBE_WRITE_REG(hw, IXGBE_IVAR_MISC, ivar);
4555 } else { /* RX/TX IVARS */
4556 index = (16 * (entry & 1)) + (8 * type);
4557 ivar = IXGBE_READ_REG(hw, IXGBE_IVAR(entry >> 1));
4558 ivar &= ~(0xFF << index);
4559 ivar |= (vector << index);
4560 IXGBE_WRITE_REG(hw, IXGBE_IVAR(entry >> 1), ivar);
4570 void __attribute__((cold))
4571 ixgbe_set_rx_function(struct rte_eth_dev *dev)
4573 uint16_t i, rx_using_sse;
4574 struct ixgbe_adapter *adapter =
4575 (struct ixgbe_adapter *)dev->data->dev_private;
4578 * In order to allow Vector Rx there are a few configuration
4579 * conditions to be met and Rx Bulk Allocation should be allowed.
4581 if (ixgbe_rx_vec_dev_conf_condition_check(dev) ||
4582 !adapter->rx_bulk_alloc_allowed) {
4583 PMD_INIT_LOG(DEBUG, "Port[%d] doesn't meet Vector Rx "
4584 "preconditions or RTE_IXGBE_INC_VECTOR is "
4586 dev->data->port_id);
4588 adapter->rx_vec_allowed = false;
4592 * Initialize the appropriate LRO callback.
4594 * If all queues satisfy the bulk allocation preconditions
4595 * (hw->rx_bulk_alloc_allowed is TRUE) then we may use bulk allocation.
4596 * Otherwise use a single allocation version.
4598 if (dev->data->lro) {
4599 if (adapter->rx_bulk_alloc_allowed) {
4600 PMD_INIT_LOG(DEBUG, "LRO is requested. Using a bulk "
4601 "allocation version");
4602 dev->rx_pkt_burst = ixgbe_recv_pkts_lro_bulk_alloc;
4604 PMD_INIT_LOG(DEBUG, "LRO is requested. Using a single "
4605 "allocation version");
4606 dev->rx_pkt_burst = ixgbe_recv_pkts_lro_single_alloc;
4608 } else if (dev->data->scattered_rx) {
4610 * Set the non-LRO scattered callback: there are Vector and
4611 * single allocation versions.
4613 if (adapter->rx_vec_allowed) {
4614 PMD_INIT_LOG(DEBUG, "Using Vector Scattered Rx "
4615 "callback (port=%d).",
4616 dev->data->port_id);
4618 dev->rx_pkt_burst = ixgbe_recv_scattered_pkts_vec;
4619 } else if (adapter->rx_bulk_alloc_allowed) {
4620 PMD_INIT_LOG(DEBUG, "Using a Scattered with bulk "
4621 "allocation callback (port=%d).",
4622 dev->data->port_id);
4623 dev->rx_pkt_burst = ixgbe_recv_pkts_lro_bulk_alloc;
4625 PMD_INIT_LOG(DEBUG, "Using Regualr (non-vector, "
4626 "single allocation) "
4627 "Scattered Rx callback "
4629 dev->data->port_id);
4631 dev->rx_pkt_burst = ixgbe_recv_pkts_lro_single_alloc;
4634 * Below we set "simple" callbacks according to port/queues parameters.
4635 * If parameters allow we are going to choose between the following
4639 * - Single buffer allocation (the simplest one)
4641 } else if (adapter->rx_vec_allowed) {
4642 PMD_INIT_LOG(DEBUG, "Vector rx enabled, please make sure RX "
4643 "burst size no less than %d (port=%d).",
4644 RTE_IXGBE_DESCS_PER_LOOP,
4645 dev->data->port_id);
4647 dev->rx_pkt_burst = ixgbe_recv_pkts_vec;
4648 } else if (adapter->rx_bulk_alloc_allowed) {
4649 PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are "
4650 "satisfied. Rx Burst Bulk Alloc function "
4651 "will be used on port=%d.",
4652 dev->data->port_id);
4654 dev->rx_pkt_burst = ixgbe_recv_pkts_bulk_alloc;
4656 PMD_INIT_LOG(DEBUG, "Rx Burst Bulk Alloc Preconditions are not "
4657 "satisfied, or Scattered Rx is requested "
4659 dev->data->port_id);
4661 dev->rx_pkt_burst = ixgbe_recv_pkts;
4664 /* Propagate information about RX function choice through all queues. */
4667 (dev->rx_pkt_burst == ixgbe_recv_scattered_pkts_vec ||
4668 dev->rx_pkt_burst == ixgbe_recv_pkts_vec);
4670 for (i = 0; i < dev->data->nb_rx_queues; i++) {
4671 struct ixgbe_rx_queue *rxq = dev->data->rx_queues[i];
4673 rxq->rx_using_sse = rx_using_sse;
4674 #ifdef RTE_LIBRTE_SECURITY
4675 rxq->using_ipsec = !!(dev->data->dev_conf.rxmode.offloads &
4676 DEV_RX_OFFLOAD_SECURITY);
4682 * ixgbe_set_rsc - configure RSC related port HW registers
4684 * Configures the port's RSC related registers according to the 4.6.7.2 chapter
4685 * of 82599 Spec (x540 configuration is virtually the same).
4689 * Returns 0 in case of success or a non-zero error code
4692 ixgbe_set_rsc(struct rte_eth_dev *dev)
4694 struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
4695 struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4696 struct rte_eth_dev_info dev_info = { 0 };
4697 bool rsc_capable = false;
4703 dev->dev_ops->dev_infos_get(dev, &dev_info);
4704 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
4707 if (!rsc_capable && (rx_conf->offloads & DEV_RX_OFFLOAD_TCP_LRO)) {
4708 PMD_INIT_LOG(CRIT, "LRO is requested on HW that doesn't "
4713 /* RSC global configuration (chapter 4.6.7.2.1 of 82599 Spec) */
4715 if ((rx_conf->offloads & DEV_RX_OFFLOAD_KEEP_CRC) &&
4716 (rx_conf->offloads & DEV_RX_OFFLOAD_TCP_LRO)) {
4718 * According to chapter of 4.6.7.2.1 of the Spec Rev.
4719 * 3.0 RSC configuration requires HW CRC stripping being
4720 * enabled. If user requested both HW CRC stripping off
4721 * and RSC on - return an error.
4723 PMD_INIT_LOG(CRIT, "LRO can't be enabled when HW CRC "
4728 /* RFCTL configuration */
4729 rfctl = IXGBE_READ_REG(hw, IXGBE_RFCTL);
4730 if ((rsc_capable) && (rx_conf->offloads & DEV_RX_OFFLOAD_TCP_LRO))
4732 * Since NFS packets coalescing is not supported - clear
4733 * RFCTL.NFSW_DIS and RFCTL.NFSR_DIS when RSC is
4736 rfctl &= ~(IXGBE_RFCTL_RSC_DIS | IXGBE_RFCTL_NFSW_DIS |
4737 IXGBE_RFCTL_NFSR_DIS);
4739 rfctl |= IXGBE_RFCTL_RSC_DIS;
4740 IXGBE_WRITE_REG(hw, IXGBE_RFCTL, rfctl);
4742 /* If LRO hasn't been requested - we are done here. */
4743 if (!(rx_conf->offloads & DEV_RX_OFFLOAD_TCP_LRO))
4746 /* Set RDRXCTL.RSCACKC bit */
4747 rdrxctl = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
4748 rdrxctl |= IXGBE_RDRXCTL_RSCACKC;
4749 IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl);
4751 /* Per-queue RSC configuration (chapter 4.6.7.2.2 of 82599 Spec) */
4752 for (i = 0; i < dev->data->nb_rx_queues; i++) {
4753 struct ixgbe_rx_queue *rxq = dev->data->rx_queues[i];
4755 IXGBE_READ_REG(hw, IXGBE_SRRCTL(rxq->reg_idx));
4757 IXGBE_READ_REG(hw, IXGBE_RSCCTL(rxq->reg_idx));
4759 IXGBE_READ_REG(hw, IXGBE_PSRTYPE(rxq->reg_idx));
4761 IXGBE_READ_REG(hw, IXGBE_EITR(rxq->reg_idx));
4764 * ixgbe PMD doesn't support header-split at the moment.
4766 * Following the 4.6.7.2.1 chapter of the 82599/x540
4767 * Spec if RSC is enabled the SRRCTL[n].BSIZEHEADER
4768 * should be configured even if header split is not
4769 * enabled. We will configure it 128 bytes following the
4770 * recommendation in the spec.
4772 srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
4773 srrctl |= (128 << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
4774 IXGBE_SRRCTL_BSIZEHDR_MASK;
4777 * TODO: Consider setting the Receive Descriptor Minimum
4778 * Threshold Size for an RSC case. This is not an obviously
4779 * beneficiary option but the one worth considering...
4782 rscctl |= IXGBE_RSCCTL_RSCEN;
4783 rscctl |= ixgbe_get_rscctl_maxdesc(rxq->mb_pool);
4784 psrtype |= IXGBE_PSRTYPE_TCPHDR;
4787 * RSC: Set ITR interval corresponding to 2K ints/s.
4789 * Full-sized RSC aggregations for a 10Gb/s link will
4790 * arrive at about 20K aggregation/s rate.
4792 * 2K inst/s rate will make only 10% of the
4793 * aggregations to be closed due to the interrupt timer
4794 * expiration for a streaming at wire-speed case.
4796 * For a sparse streaming case this setting will yield
4797 * at most 500us latency for a single RSC aggregation.
4799 eitr &= ~IXGBE_EITR_ITR_INT_MASK;
4800 eitr |= IXGBE_EITR_INTERVAL_US(IXGBE_QUEUE_ITR_INTERVAL_DEFAULT);
4801 eitr |= IXGBE_EITR_CNT_WDIS;
4803 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxq->reg_idx), srrctl);
4804 IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(rxq->reg_idx), rscctl);
4805 IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(rxq->reg_idx), psrtype);
4806 IXGBE_WRITE_REG(hw, IXGBE_EITR(rxq->reg_idx), eitr);
4809 * RSC requires the mapping of the queue to the
4812 ixgbe_set_ivar(dev, rxq->reg_idx, i, 0);
4817 PMD_INIT_LOG(DEBUG, "enabling LRO mode");
4823 * Initializes Receive Unit.
4825 int __attribute__((cold))
4826 ixgbe_dev_rx_init(struct rte_eth_dev *dev)
4828 struct ixgbe_hw *hw;
4829 struct ixgbe_rx_queue *rxq;
4840 struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
4843 PMD_INIT_FUNC_TRACE();
4844 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4847 * Make sure receives are disabled while setting
4848 * up the RX context (registers, descriptor rings, etc.).
4850 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
4851 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl & ~IXGBE_RXCTRL_RXEN);
4853 /* Enable receipt of broadcasted frames */
4854 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
4855 fctrl |= IXGBE_FCTRL_BAM;
4856 fctrl |= IXGBE_FCTRL_DPF;
4857 fctrl |= IXGBE_FCTRL_PMCF;
4858 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
4861 * Configure CRC stripping, if any.
4863 hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
4864 if (rx_conf->offloads & DEV_RX_OFFLOAD_KEEP_CRC)
4865 hlreg0 &= ~IXGBE_HLREG0_RXCRCSTRP;
4867 hlreg0 |= IXGBE_HLREG0_RXCRCSTRP;
4870 * Configure jumbo frame support, if any.
4872 if (rx_conf->offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
4873 hlreg0 |= IXGBE_HLREG0_JUMBOEN;
4874 maxfrs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
4875 maxfrs &= 0x0000FFFF;
4876 maxfrs |= (rx_conf->max_rx_pkt_len << 16);
4877 IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, maxfrs);
4879 hlreg0 &= ~IXGBE_HLREG0_JUMBOEN;
4882 * If loopback mode is configured for 82599, set LPBK bit.
4884 if (hw->mac.type == ixgbe_mac_82599EB &&
4885 dev->data->dev_conf.lpbk_mode == IXGBE_LPBK_82599_TX_RX)
4886 hlreg0 |= IXGBE_HLREG0_LPBK;
4888 hlreg0 &= ~IXGBE_HLREG0_LPBK;
4890 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
4893 * Assume no header split and no VLAN strip support
4894 * on any Rx queue first .
4896 rx_conf->offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
4897 /* Setup RX queues */
4898 for (i = 0; i < dev->data->nb_rx_queues; i++) {
4899 rxq = dev->data->rx_queues[i];
4902 * Reset crc_len in case it was changed after queue setup by a
4903 * call to configure.
4905 if (rx_conf->offloads & DEV_RX_OFFLOAD_KEEP_CRC)
4906 rxq->crc_len = ETHER_CRC_LEN;
4910 /* Setup the Base and Length of the Rx Descriptor Rings */
4911 bus_addr = rxq->rx_ring_phys_addr;
4912 IXGBE_WRITE_REG(hw, IXGBE_RDBAL(rxq->reg_idx),
4913 (uint32_t)(bus_addr & 0x00000000ffffffffULL));
4914 IXGBE_WRITE_REG(hw, IXGBE_RDBAH(rxq->reg_idx),
4915 (uint32_t)(bus_addr >> 32));
4916 IXGBE_WRITE_REG(hw, IXGBE_RDLEN(rxq->reg_idx),
4917 rxq->nb_rx_desc * sizeof(union ixgbe_adv_rx_desc));
4918 IXGBE_WRITE_REG(hw, IXGBE_RDH(rxq->reg_idx), 0);
4919 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxq->reg_idx), 0);
4921 /* Configure the SRRCTL register */
4922 srrctl = IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
4924 /* Set if packets are dropped when no descriptors available */
4926 srrctl |= IXGBE_SRRCTL_DROP_EN;
4929 * Configure the RX buffer size in the BSIZEPACKET field of
4930 * the SRRCTL register of the queue.
4931 * The value is in 1 KB resolution. Valid values can be from
4934 buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mb_pool) -
4935 RTE_PKTMBUF_HEADROOM);
4936 srrctl |= ((buf_size >> IXGBE_SRRCTL_BSIZEPKT_SHIFT) &
4937 IXGBE_SRRCTL_BSIZEPKT_MASK);
4939 IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(rxq->reg_idx), srrctl);
4941 buf_size = (uint16_t) ((srrctl & IXGBE_SRRCTL_BSIZEPKT_MASK) <<
4942 IXGBE_SRRCTL_BSIZEPKT_SHIFT);
4944 /* It adds dual VLAN length for supporting dual VLAN */
4945 if (dev->data->dev_conf.rxmode.max_rx_pkt_len +
4946 2 * IXGBE_VLAN_TAG_SIZE > buf_size)
4947 dev->data->scattered_rx = 1;
4948 if (rxq->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
4949 rx_conf->offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
4952 if (rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER)
4953 dev->data->scattered_rx = 1;
4956 * Device configured with multiple RX queues.
4958 ixgbe_dev_mq_rx_configure(dev);
4961 * Setup the Checksum Register.
4962 * Disable Full-Packet Checksum which is mutually exclusive with RSS.
4963 * Enable IP/L4 checkum computation by hardware if requested to do so.
4965 rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
4966 rxcsum |= IXGBE_RXCSUM_PCSD;
4967 if (rx_conf->offloads & DEV_RX_OFFLOAD_CHECKSUM)
4968 rxcsum |= IXGBE_RXCSUM_IPPCSE;
4970 rxcsum &= ~IXGBE_RXCSUM_IPPCSE;
4972 IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum);
4974 if (hw->mac.type == ixgbe_mac_82599EB ||
4975 hw->mac.type == ixgbe_mac_X540) {
4976 rdrxctl = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
4977 if (rx_conf->offloads & DEV_RX_OFFLOAD_KEEP_CRC)
4978 rdrxctl &= ~IXGBE_RDRXCTL_CRCSTRIP;
4980 rdrxctl |= IXGBE_RDRXCTL_CRCSTRIP;
4981 rdrxctl &= ~IXGBE_RDRXCTL_RSCFRSTSIZE;
4982 IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, rdrxctl);
4985 rc = ixgbe_set_rsc(dev);
4989 ixgbe_set_rx_function(dev);
4995 * Initializes Transmit Unit.
4997 void __attribute__((cold))
4998 ixgbe_dev_tx_init(struct rte_eth_dev *dev)
5000 struct ixgbe_hw *hw;
5001 struct ixgbe_tx_queue *txq;
5007 PMD_INIT_FUNC_TRACE();
5008 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5010 /* Enable TX CRC (checksum offload requirement) and hw padding
5013 hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
5014 hlreg0 |= (IXGBE_HLREG0_TXCRCEN | IXGBE_HLREG0_TXPADEN);
5015 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
5017 /* Setup the Base and Length of the Tx Descriptor Rings */
5018 for (i = 0; i < dev->data->nb_tx_queues; i++) {
5019 txq = dev->data->tx_queues[i];
5021 bus_addr = txq->tx_ring_phys_addr;
5022 IXGBE_WRITE_REG(hw, IXGBE_TDBAL(txq->reg_idx),
5023 (uint32_t)(bus_addr & 0x00000000ffffffffULL));
5024 IXGBE_WRITE_REG(hw, IXGBE_TDBAH(txq->reg_idx),
5025 (uint32_t)(bus_addr >> 32));
5026 IXGBE_WRITE_REG(hw, IXGBE_TDLEN(txq->reg_idx),
5027 txq->nb_tx_desc * sizeof(union ixgbe_adv_tx_desc));
5028 /* Setup the HW Tx Head and TX Tail descriptor pointers */
5029 IXGBE_WRITE_REG(hw, IXGBE_TDH(txq->reg_idx), 0);
5030 IXGBE_WRITE_REG(hw, IXGBE_TDT(txq->reg_idx), 0);
5033 * Disable Tx Head Writeback RO bit, since this hoses
5034 * bookkeeping if things aren't delivered in order.
5036 switch (hw->mac.type) {
5037 case ixgbe_mac_82598EB:
5038 txctrl = IXGBE_READ_REG(hw,
5039 IXGBE_DCA_TXCTRL(txq->reg_idx));
5040 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
5041 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(txq->reg_idx),
5045 case ixgbe_mac_82599EB:
5046 case ixgbe_mac_X540:
5047 case ixgbe_mac_X550:
5048 case ixgbe_mac_X550EM_x:
5049 case ixgbe_mac_X550EM_a:
5051 txctrl = IXGBE_READ_REG(hw,
5052 IXGBE_DCA_TXCTRL_82599(txq->reg_idx));
5053 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
5054 IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(txq->reg_idx),
5060 /* Device configured with multiple TX queues. */
5061 ixgbe_dev_mq_tx_configure(dev);
5065 * Set up link for 82599 loopback mode Tx->Rx.
5067 static inline void __attribute__((cold))
5068 ixgbe_setup_loopback_link_82599(struct ixgbe_hw *hw)
5070 PMD_INIT_FUNC_TRACE();
5072 if (ixgbe_verify_lesm_fw_enabled_82599(hw)) {
5073 if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM) !=
5075 PMD_INIT_LOG(ERR, "Could not enable loopback mode");
5084 IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU);
5085 ixgbe_reset_pipeline_82599(hw);
5087 hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_MAC_CSR_SM);
5093 * Start Transmit and Receive Units.
5095 int __attribute__((cold))
5096 ixgbe_dev_rxtx_start(struct rte_eth_dev *dev)
5098 struct ixgbe_hw *hw;
5099 struct ixgbe_tx_queue *txq;
5100 struct ixgbe_rx_queue *rxq;
5107 PMD_INIT_FUNC_TRACE();
5108 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5110 for (i = 0; i < dev->data->nb_tx_queues; i++) {
5111 txq = dev->data->tx_queues[i];
5112 /* Setup Transmit Threshold Registers */
5113 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txq->reg_idx));
5114 txdctl |= txq->pthresh & 0x7F;
5115 txdctl |= ((txq->hthresh & 0x7F) << 8);
5116 txdctl |= ((txq->wthresh & 0x7F) << 16);
5117 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txq->reg_idx), txdctl);
5120 if (hw->mac.type != ixgbe_mac_82598EB) {
5121 dmatxctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
5122 dmatxctl |= IXGBE_DMATXCTL_TE;
5123 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, dmatxctl);
5126 for (i = 0; i < dev->data->nb_tx_queues; i++) {
5127 txq = dev->data->tx_queues[i];
5128 if (!txq->tx_deferred_start) {
5129 ret = ixgbe_dev_tx_queue_start(dev, i);
5135 for (i = 0; i < dev->data->nb_rx_queues; i++) {
5136 rxq = dev->data->rx_queues[i];
5137 if (!rxq->rx_deferred_start) {
5138 ret = ixgbe_dev_rx_queue_start(dev, i);
5144 /* Enable Receive engine */
5145 rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
5146 if (hw->mac.type == ixgbe_mac_82598EB)
5147 rxctrl |= IXGBE_RXCTRL_DMBYPS;
5148 rxctrl |= IXGBE_RXCTRL_RXEN;
5149 hw->mac.ops.enable_rx_dma(hw, rxctrl);
5151 /* If loopback mode is enabled for 82599, set up the link accordingly */
5152 if (hw->mac.type == ixgbe_mac_82599EB &&
5153 dev->data->dev_conf.lpbk_mode == IXGBE_LPBK_82599_TX_RX)
5154 ixgbe_setup_loopback_link_82599(hw);
5156 #ifdef RTE_LIBRTE_SECURITY
5157 if ((dev->data->dev_conf.rxmode.offloads &
5158 DEV_RX_OFFLOAD_SECURITY) ||
5159 (dev->data->dev_conf.txmode.offloads &
5160 DEV_TX_OFFLOAD_SECURITY)) {
5161 ret = ixgbe_crypto_enable_ipsec(dev);
5164 "ixgbe_crypto_enable_ipsec fails with %d.",
5175 * Start Receive Units for specified queue.
5177 int __attribute__((cold))
5178 ixgbe_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
5180 struct ixgbe_hw *hw;
5181 struct ixgbe_rx_queue *rxq;
5185 PMD_INIT_FUNC_TRACE();
5186 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5188 rxq = dev->data->rx_queues[rx_queue_id];
5190 /* Allocate buffers for descriptor rings */
5191 if (ixgbe_alloc_rx_queue_mbufs(rxq) != 0) {
5192 PMD_INIT_LOG(ERR, "Could not alloc mbuf for queue:%d",
5196 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
5197 rxdctl |= IXGBE_RXDCTL_ENABLE;
5198 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxq->reg_idx), rxdctl);
5200 /* Wait until RX Enable ready */
5201 poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
5204 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
5205 } while (--poll_ms && !(rxdctl & IXGBE_RXDCTL_ENABLE));
5207 PMD_INIT_LOG(ERR, "Could not enable Rx Queue %d", rx_queue_id);
5209 IXGBE_WRITE_REG(hw, IXGBE_RDH(rxq->reg_idx), 0);
5210 IXGBE_WRITE_REG(hw, IXGBE_RDT(rxq->reg_idx), rxq->nb_rx_desc - 1);
5211 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
5217 * Stop Receive Units for specified queue.
5219 int __attribute__((cold))
5220 ixgbe_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
5222 struct ixgbe_hw *hw;
5223 struct ixgbe_adapter *adapter =
5224 (struct ixgbe_adapter *)dev->data->dev_private;
5225 struct ixgbe_rx_queue *rxq;
5229 PMD_INIT_FUNC_TRACE();
5230 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5232 rxq = dev->data->rx_queues[rx_queue_id];
5234 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
5235 rxdctl &= ~IXGBE_RXDCTL_ENABLE;
5236 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxq->reg_idx), rxdctl);
5238 /* Wait until RX Enable bit clear */
5239 poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
5242 rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
5243 } while (--poll_ms && (rxdctl & IXGBE_RXDCTL_ENABLE));
5245 PMD_INIT_LOG(ERR, "Could not disable Rx Queue %d", rx_queue_id);
5247 rte_delay_us(RTE_IXGBE_WAIT_100_US);
5249 ixgbe_rx_queue_release_mbufs(rxq);
5250 ixgbe_reset_rx_queue(adapter, rxq);
5251 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
5258 * Start Transmit Units for specified queue.
5260 int __attribute__((cold))
5261 ixgbe_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
5263 struct ixgbe_hw *hw;
5264 struct ixgbe_tx_queue *txq;
5268 PMD_INIT_FUNC_TRACE();
5269 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5271 txq = dev->data->tx_queues[tx_queue_id];
5272 IXGBE_WRITE_REG(hw, IXGBE_TDH(txq->reg_idx), 0);
5273 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txq->reg_idx));
5274 txdctl |= IXGBE_TXDCTL_ENABLE;
5275 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txq->reg_idx), txdctl);
5277 /* Wait until TX Enable ready */
5278 if (hw->mac.type == ixgbe_mac_82599EB) {
5279 poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
5282 txdctl = IXGBE_READ_REG(hw,
5283 IXGBE_TXDCTL(txq->reg_idx));
5284 } while (--poll_ms && !(txdctl & IXGBE_TXDCTL_ENABLE));
5286 PMD_INIT_LOG(ERR, "Could not enable Tx Queue %d",
5290 IXGBE_WRITE_REG(hw, IXGBE_TDT(txq->reg_idx), 0);
5291 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
5297 * Stop Transmit Units for specified queue.
5299 int __attribute__((cold))
5300 ixgbe_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
5302 struct ixgbe_hw *hw;
5303 struct ixgbe_tx_queue *txq;
5305 uint32_t txtdh, txtdt;
5308 PMD_INIT_FUNC_TRACE();
5309 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5311 txq = dev->data->tx_queues[tx_queue_id];
5313 /* Wait until TX queue is empty */
5314 if (hw->mac.type == ixgbe_mac_82599EB) {
5315 poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
5317 rte_delay_us(RTE_IXGBE_WAIT_100_US);
5318 txtdh = IXGBE_READ_REG(hw,
5319 IXGBE_TDH(txq->reg_idx));
5320 txtdt = IXGBE_READ_REG(hw,
5321 IXGBE_TDT(txq->reg_idx));
5322 } while (--poll_ms && (txtdh != txtdt));
5325 "Tx Queue %d is not empty when stopping.",
5329 txdctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(txq->reg_idx));
5330 txdctl &= ~IXGBE_TXDCTL_ENABLE;
5331 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(txq->reg_idx), txdctl);
5333 /* Wait until TX Enable bit clear */
5334 if (hw->mac.type == ixgbe_mac_82599EB) {
5335 poll_ms = RTE_IXGBE_REGISTER_POLL_WAIT_10_MS;
5338 txdctl = IXGBE_READ_REG(hw,
5339 IXGBE_TXDCTL(txq->reg_idx));
5340 } while (--poll_ms && (txdctl & IXGBE_TXDCTL_ENABLE));
5342 PMD_INIT_LOG(ERR, "Could not disable Tx Queue %d",
5346 if (txq->ops != NULL) {
5347 txq->ops->release_mbufs(txq);
5348 txq->ops->reset(txq);
5350 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
5356 ixgbe_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
5357 struct rte_eth_rxq_info *qinfo)
5359 struct ixgbe_rx_queue *rxq;
5361 rxq = dev->data->rx_queues[queue_id];
5363 qinfo->mp = rxq->mb_pool;
5364 qinfo->scattered_rx = dev->data->scattered_rx;
5365 qinfo->nb_desc = rxq->nb_rx_desc;
5367 qinfo->conf.rx_free_thresh = rxq->rx_free_thresh;
5368 qinfo->conf.rx_drop_en = rxq->drop_en;
5369 qinfo->conf.rx_deferred_start = rxq->rx_deferred_start;
5370 qinfo->conf.offloads = rxq->offloads;
5374 ixgbe_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
5375 struct rte_eth_txq_info *qinfo)
5377 struct ixgbe_tx_queue *txq;
5379 txq = dev->data->tx_queues[queue_id];
5381 qinfo->nb_desc = txq->nb_tx_desc;
5383 qinfo->conf.tx_thresh.pthresh = txq->pthresh;
5384 qinfo->conf.tx_thresh.hthresh = txq->hthresh;
5385 qinfo->conf.tx_thresh.wthresh = txq->wthresh;
5387 qinfo->conf.tx_free_thresh = txq->tx_free_thresh;
5388 qinfo->conf.tx_rs_thresh = txq->tx_rs_thresh;
5389 qinfo->conf.offloads = txq->offloads;
5390 qinfo->conf.tx_deferred_start = txq->tx_deferred_start;
5394 * [VF] Initializes Receive Unit.
5396 int __attribute__((cold))
5397 ixgbevf_dev_rx_init(struct rte_eth_dev *dev)
5399 struct ixgbe_hw *hw;
5400 struct ixgbe_rx_queue *rxq;
5401 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
5403 uint32_t srrctl, psrtype = 0;
5408 PMD_INIT_FUNC_TRACE();
5409 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5411 if (rte_is_power_of_2(dev->data->nb_rx_queues) == 0) {
5412 PMD_INIT_LOG(ERR, "The number of Rx queue invalid, "
5413 "it should be power of 2");
5417 if (dev->data->nb_rx_queues > hw->mac.max_rx_queues) {
5418 PMD_INIT_LOG(ERR, "The number of Rx queue invalid, "
5419 "it should be equal to or less than %d",
5420 hw->mac.max_rx_queues);
5425 * When the VF driver issues a IXGBE_VF_RESET request, the PF driver
5426 * disables the VF receipt of packets if the PF MTU is > 1500.
5427 * This is done to deal with 82599 limitations that imposes
5428 * the PF and all VFs to share the same MTU.
5429 * Then, the PF driver enables again the VF receipt of packet when
5430 * the VF driver issues a IXGBE_VF_SET_LPE request.
5431 * In the meantime, the VF device cannot be used, even if the VF driver
5432 * and the Guest VM network stack are ready to accept packets with a
5433 * size up to the PF MTU.
5434 * As a work-around to this PF behaviour, force the call to
5435 * ixgbevf_rlpml_set_vf even if jumbo frames are not used. This way,
5436 * VF packets received can work in all cases.
5438 ixgbevf_rlpml_set_vf(hw,
5439 (uint16_t)dev->data->dev_conf.rxmode.max_rx_pkt_len);
5442 * Assume no header split and no VLAN strip support
5443 * on any Rx queue first .
5445 rxmode->offloads &= ~DEV_RX_OFFLOAD_VLAN_STRIP;
5446 /* Setup RX queues */
5447 for (i = 0; i < dev->data->nb_rx_queues; i++) {
5448 rxq = dev->data->rx_queues[i];
5450 /* Allocate buffers for descriptor rings */
5451 ret = ixgbe_alloc_rx_queue_mbufs(rxq);
5455 /* Setup the Base and Length of the Rx Descriptor Rings */
5456 bus_addr = rxq->rx_ring_phys_addr;
5458 IXGBE_WRITE_REG(hw, IXGBE_VFRDBAL(i),
5459 (uint32_t)(bus_addr & 0x00000000ffffffffULL));
5460 IXGBE_WRITE_REG(hw, IXGBE_VFRDBAH(i),
5461 (uint32_t)(bus_addr >> 32));
5462 IXGBE_WRITE_REG(hw, IXGBE_VFRDLEN(i),
5463 rxq->nb_rx_desc * sizeof(union ixgbe_adv_rx_desc));
5464 IXGBE_WRITE_REG(hw, IXGBE_VFRDH(i), 0);
5465 IXGBE_WRITE_REG(hw, IXGBE_VFRDT(i), 0);
5468 /* Configure the SRRCTL register */
5469 srrctl = IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
5471 /* Set if packets are dropped when no descriptors available */
5473 srrctl |= IXGBE_SRRCTL_DROP_EN;
5476 * Configure the RX buffer size in the BSIZEPACKET field of
5477 * the SRRCTL register of the queue.
5478 * The value is in 1 KB resolution. Valid values can be from
5481 buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mb_pool) -
5482 RTE_PKTMBUF_HEADROOM);
5483 srrctl |= ((buf_size >> IXGBE_SRRCTL_BSIZEPKT_SHIFT) &
5484 IXGBE_SRRCTL_BSIZEPKT_MASK);
5487 * VF modification to write virtual function SRRCTL register
5489 IXGBE_WRITE_REG(hw, IXGBE_VFSRRCTL(i), srrctl);
5491 buf_size = (uint16_t) ((srrctl & IXGBE_SRRCTL_BSIZEPKT_MASK) <<
5492 IXGBE_SRRCTL_BSIZEPKT_SHIFT);
5494 if (rxmode->offloads & DEV_RX_OFFLOAD_SCATTER ||
5495 /* It adds dual VLAN length for supporting dual VLAN */
5496 (rxmode->max_rx_pkt_len +
5497 2 * IXGBE_VLAN_TAG_SIZE) > buf_size) {
5498 if (!dev->data->scattered_rx)
5499 PMD_INIT_LOG(DEBUG, "forcing scatter mode");
5500 dev->data->scattered_rx = 1;
5503 if (rxq->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
5504 rxmode->offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
5507 /* Set RQPL for VF RSS according to max Rx queue */
5508 psrtype |= (dev->data->nb_rx_queues >> 1) <<
5509 IXGBE_PSRTYPE_RQPL_SHIFT;
5510 IXGBE_WRITE_REG(hw, IXGBE_VFPSRTYPE, psrtype);
5512 ixgbe_set_rx_function(dev);
5518 * [VF] Initializes Transmit Unit.
5520 void __attribute__((cold))
5521 ixgbevf_dev_tx_init(struct rte_eth_dev *dev)
5523 struct ixgbe_hw *hw;
5524 struct ixgbe_tx_queue *txq;
5529 PMD_INIT_FUNC_TRACE();
5530 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5532 /* Setup the Base and Length of the Tx Descriptor Rings */
5533 for (i = 0; i < dev->data->nb_tx_queues; i++) {
5534 txq = dev->data->tx_queues[i];
5535 bus_addr = txq->tx_ring_phys_addr;
5536 IXGBE_WRITE_REG(hw, IXGBE_VFTDBAL(i),
5537 (uint32_t)(bus_addr & 0x00000000ffffffffULL));
5538 IXGBE_WRITE_REG(hw, IXGBE_VFTDBAH(i),
5539 (uint32_t)(bus_addr >> 32));
5540 IXGBE_WRITE_REG(hw, IXGBE_VFTDLEN(i),
5541 txq->nb_tx_desc * sizeof(union ixgbe_adv_tx_desc));
5542 /* Setup the HW Tx Head and TX Tail descriptor pointers */
5543 IXGBE_WRITE_REG(hw, IXGBE_VFTDH(i), 0);
5544 IXGBE_WRITE_REG(hw, IXGBE_VFTDT(i), 0);
5547 * Disable Tx Head Writeback RO bit, since this hoses
5548 * bookkeeping if things aren't delivered in order.
5550 txctrl = IXGBE_READ_REG(hw,
5551 IXGBE_VFDCA_TXCTRL(i));
5552 txctrl &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
5553 IXGBE_WRITE_REG(hw, IXGBE_VFDCA_TXCTRL(i),
5559 * [VF] Start Transmit and Receive Units.
5561 void __attribute__((cold))
5562 ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev)
5564 struct ixgbe_hw *hw;
5565 struct ixgbe_tx_queue *txq;
5566 struct ixgbe_rx_queue *rxq;
5572 PMD_INIT_FUNC_TRACE();
5573 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5575 for (i = 0; i < dev->data->nb_tx_queues; i++) {
5576 txq = dev->data->tx_queues[i];
5577 /* Setup Transmit Threshold Registers */
5578 txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
5579 txdctl |= txq->pthresh & 0x7F;
5580 txdctl |= ((txq->hthresh & 0x7F) << 8);
5581 txdctl |= ((txq->wthresh & 0x7F) << 16);
5582 IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), txdctl);
5585 for (i = 0; i < dev->data->nb_tx_queues; i++) {
5587 txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
5588 txdctl |= IXGBE_TXDCTL_ENABLE;
5589 IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), txdctl);
5592 /* Wait until TX Enable ready */
5595 txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
5596 } while (--poll_ms && !(txdctl & IXGBE_TXDCTL_ENABLE));
5598 PMD_INIT_LOG(ERR, "Could not enable Tx Queue %d", i);
5600 for (i = 0; i < dev->data->nb_rx_queues; i++) {
5602 rxq = dev->data->rx_queues[i];
5604 rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
5605 rxdctl |= IXGBE_RXDCTL_ENABLE;
5606 IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), rxdctl);
5608 /* Wait until RX Enable ready */
5612 rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
5613 } while (--poll_ms && !(rxdctl & IXGBE_RXDCTL_ENABLE));
5615 PMD_INIT_LOG(ERR, "Could not enable Rx Queue %d", i);
5617 IXGBE_WRITE_REG(hw, IXGBE_VFRDT(i), rxq->nb_rx_desc - 1);
5623 ixgbe_rss_conf_init(struct ixgbe_rte_flow_rss_conf *out,
5624 const struct rte_flow_action_rss *in)
5626 if (in->key_len > RTE_DIM(out->key) ||
5627 in->queue_num > RTE_DIM(out->queue))
5629 out->conf = (struct rte_flow_action_rss){
5633 .key_len = in->key_len,
5634 .queue_num = in->queue_num,
5635 .key = memcpy(out->key, in->key, in->key_len),
5636 .queue = memcpy(out->queue, in->queue,
5637 sizeof(*in->queue) * in->queue_num),
5643 ixgbe_action_rss_same(const struct rte_flow_action_rss *comp,
5644 const struct rte_flow_action_rss *with)
5646 return (comp->func == with->func &&
5647 comp->level == with->level &&
5648 comp->types == with->types &&
5649 comp->key_len == with->key_len &&
5650 comp->queue_num == with->queue_num &&
5651 !memcmp(comp->key, with->key, with->key_len) &&
5652 !memcmp(comp->queue, with->queue,
5653 sizeof(*with->queue) * with->queue_num));
5657 ixgbe_config_rss_filter(struct rte_eth_dev *dev,
5658 struct ixgbe_rte_flow_rss_conf *conf, bool add)
5660 struct ixgbe_hw *hw;
5664 uint16_t sp_reta_size;
5666 struct rte_eth_rss_conf rss_conf = {
5667 .rss_key = conf->conf.key_len ?
5668 (void *)(uintptr_t)conf->conf.key : NULL,
5669 .rss_key_len = conf->conf.key_len,
5670 .rss_hf = conf->conf.types,
5672 struct ixgbe_filter_info *filter_info =
5673 IXGBE_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5675 PMD_INIT_FUNC_TRACE();
5676 hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5678 sp_reta_size = ixgbe_reta_size_get(hw->mac.type);
5681 if (ixgbe_action_rss_same(&filter_info->rss_info.conf,
5683 ixgbe_rss_disable(dev);
5684 memset(&filter_info->rss_info, 0,
5685 sizeof(struct ixgbe_rte_flow_rss_conf));
5691 if (filter_info->rss_info.conf.queue_num)
5693 /* Fill in redirection table
5694 * The byte-swap is needed because NIC registers are in
5695 * little-endian order.
5698 for (i = 0, j = 0; i < sp_reta_size; i++, j++) {
5699 reta_reg = ixgbe_reta_reg_get(hw->mac.type, i);
5701 if (j == conf->conf.queue_num)
5703 reta = (reta << 8) | conf->conf.queue[j];
5705 IXGBE_WRITE_REG(hw, reta_reg,
5709 /* Configure the RSS key and the RSS protocols used to compute
5710 * the RSS hash of input packets.
5712 if ((rss_conf.rss_hf & IXGBE_RSS_OFFLOAD_ALL) == 0) {
5713 ixgbe_rss_disable(dev);
5716 if (rss_conf.rss_key == NULL)
5717 rss_conf.rss_key = rss_intel_key; /* Default hash key */
5718 ixgbe_hw_rss_hash_set(hw, &rss_conf);
5720 if (ixgbe_rss_conf_init(&filter_info->rss_info, &conf->conf))
5726 /* Stubs needed for linkage when CONFIG_RTE_IXGBE_INC_VECTOR is set to 'n' */
5728 ixgbe_rx_vec_dev_conf_condition_check(struct rte_eth_dev __rte_unused *dev)
5734 ixgbe_recv_pkts_vec(
5735 void __rte_unused *rx_queue,
5736 struct rte_mbuf __rte_unused **rx_pkts,
5737 uint16_t __rte_unused nb_pkts)
5743 ixgbe_recv_scattered_pkts_vec(
5744 void __rte_unused *rx_queue,
5745 struct rte_mbuf __rte_unused **rx_pkts,
5746 uint16_t __rte_unused nb_pkts)
5752 ixgbe_rxq_vec_setup(struct ixgbe_rx_queue __rte_unused *rxq)