1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
16 #include <rte_byteorder.h>
17 #include <rte_common.h>
18 #include <rte_interrupts.h>
20 #include <rte_debug.h>
22 #include <rte_atomic.h>
23 #include <rte_branch_prediction.h>
24 #include <rte_memory.h>
25 #include <rte_tailq.h>
27 #include <rte_alarm.h>
28 #include <rte_ether.h>
29 #include <rte_ethdev.h>
30 #include <rte_malloc.h>
37 #include "dpaa_ethdev.h"
38 #include "dpaa_rxtx.h"
39 #include <rte_dpaa_bus.h>
40 #include <dpaa_mempool.h>
48 #define DPAA_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) \
51 (_fd)->opaque_addr = 0; \
52 (_fd)->opaque = QM_FD_CONTIG << DPAA_FD_FORMAT_SHIFT; \
53 (_fd)->opaque |= ((_mbuf)->data_off) << DPAA_FD_OFFSET_SHIFT; \
54 (_fd)->opaque |= (_mbuf)->pkt_len; \
55 (_fd)->addr = (_mbuf)->buf_iova; \
56 (_fd)->bpid = _bpid; \
59 #if (defined RTE_LIBRTE_DPAA_DEBUG_DRIVER)
60 void dpaa_display_frame(const struct qm_fd *fd)
65 printf("%s::bpid %x addr %08x%08x, format %d off %d, len %d stat %x\n",
66 __func__, fd->bpid, fd->addr_hi, fd->addr_lo, fd->format,
67 fd->offset, fd->length20, fd->status);
69 ptr = (char *)rte_dpaa_mem_ptov(fd->addr);
71 printf("%02x ", *ptr);
72 for (ii = 1; ii < fd->length20; ii++) {
73 printf("%02x ", *ptr);
81 #define dpaa_display_frame(a)
84 static inline void dpaa_slow_parsing(struct rte_mbuf *m __rte_unused,
85 uint64_t prs __rte_unused)
87 DPAA_DP_LOG(DEBUG, "Slow parsing");
88 /*TBD:XXX: to be implemented*/
91 static inline void dpaa_eth_packet_info(struct rte_mbuf *m,
92 uint64_t fd_virt_addr)
94 struct annotations_t *annot = GET_ANNOTATIONS(fd_virt_addr);
95 uint64_t prs = *((uint64_t *)(&annot->parse)) & DPAA_PARSE_MASK;
97 DPAA_DP_LOG(DEBUG, " Parsing mbuf: %p with annotations: %p", m, annot);
100 case DPAA_PKT_TYPE_IPV4:
101 m->packet_type = RTE_PTYPE_L2_ETHER |
104 case DPAA_PKT_TYPE_IPV6:
105 m->packet_type = RTE_PTYPE_L2_ETHER |
108 case DPAA_PKT_TYPE_ETHER:
109 m->packet_type = RTE_PTYPE_L2_ETHER;
111 case DPAA_PKT_TYPE_IPV4_FRAG:
112 case DPAA_PKT_TYPE_IPV4_FRAG_UDP:
113 case DPAA_PKT_TYPE_IPV4_FRAG_TCP:
114 case DPAA_PKT_TYPE_IPV4_FRAG_SCTP:
115 m->packet_type = RTE_PTYPE_L2_ETHER |
116 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_FRAG;
118 case DPAA_PKT_TYPE_IPV6_FRAG:
119 case DPAA_PKT_TYPE_IPV6_FRAG_UDP:
120 case DPAA_PKT_TYPE_IPV6_FRAG_TCP:
121 case DPAA_PKT_TYPE_IPV6_FRAG_SCTP:
122 m->packet_type = RTE_PTYPE_L2_ETHER |
123 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_FRAG;
125 case DPAA_PKT_TYPE_IPV4_EXT:
126 m->packet_type = RTE_PTYPE_L2_ETHER |
127 RTE_PTYPE_L3_IPV4_EXT;
129 case DPAA_PKT_TYPE_IPV6_EXT:
130 m->packet_type = RTE_PTYPE_L2_ETHER |
131 RTE_PTYPE_L3_IPV6_EXT;
133 case DPAA_PKT_TYPE_IPV4_TCP:
134 m->packet_type = RTE_PTYPE_L2_ETHER |
135 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP;
137 case DPAA_PKT_TYPE_IPV6_TCP:
138 m->packet_type = RTE_PTYPE_L2_ETHER |
139 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
141 case DPAA_PKT_TYPE_IPV4_UDP:
142 m->packet_type = RTE_PTYPE_L2_ETHER |
143 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP;
145 case DPAA_PKT_TYPE_IPV6_UDP:
146 m->packet_type = RTE_PTYPE_L2_ETHER |
147 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
149 case DPAA_PKT_TYPE_IPV4_EXT_UDP:
150 m->packet_type = RTE_PTYPE_L2_ETHER |
151 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_UDP;
153 case DPAA_PKT_TYPE_IPV6_EXT_UDP:
154 m->packet_type = RTE_PTYPE_L2_ETHER |
155 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_UDP;
157 case DPAA_PKT_TYPE_IPV4_EXT_TCP:
158 m->packet_type = RTE_PTYPE_L2_ETHER |
159 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_TCP;
161 case DPAA_PKT_TYPE_IPV6_EXT_TCP:
162 m->packet_type = RTE_PTYPE_L2_ETHER |
163 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_TCP;
165 case DPAA_PKT_TYPE_IPV4_SCTP:
166 m->packet_type = RTE_PTYPE_L2_ETHER |
167 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP;
169 case DPAA_PKT_TYPE_IPV6_SCTP:
170 m->packet_type = RTE_PTYPE_L2_ETHER |
171 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_SCTP;
173 case DPAA_PKT_TYPE_NONE:
176 /* More switch cases can be added */
178 dpaa_slow_parsing(m, prs);
181 m->tx_offload = annot->parse.ip_off[0];
182 m->tx_offload |= (annot->parse.l4_off - annot->parse.ip_off[0])
183 << DPAA_PKT_L3_LEN_SHIFT;
185 /* Set the hash values */
186 m->hash.rss = (uint32_t)(annot->hash);
187 /* All packets with Bad checksum are dropped by interface (and
188 * corresponding notification issued to RX error queues).
190 m->ol_flags = PKT_RX_RSS_HASH | PKT_RX_IP_CKSUM_GOOD;
192 /* Check if Vlan is present */
193 if (prs & DPAA_PARSE_VLAN_MASK)
194 m->ol_flags |= PKT_RX_VLAN;
195 /* Packet received without stripping the vlan */
198 static inline void dpaa_checksum(struct rte_mbuf *mbuf)
200 struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
201 char *l3_hdr = (char *)eth_hdr + mbuf->l2_len;
202 struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)l3_hdr;
203 struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)l3_hdr;
205 DPAA_DP_LOG(DEBUG, "Calculating checksum for mbuf: %p", mbuf);
207 if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_IPV4) ||
208 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
209 RTE_PTYPE_L3_IPV4_EXT)) {
210 ipv4_hdr = (struct ipv4_hdr *)l3_hdr;
211 ipv4_hdr->hdr_checksum = 0;
212 ipv4_hdr->hdr_checksum = rte_ipv4_cksum(ipv4_hdr);
213 } else if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
214 RTE_PTYPE_L3_IPV6) ||
215 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
216 RTE_PTYPE_L3_IPV6_EXT))
217 ipv6_hdr = (struct ipv6_hdr *)l3_hdr;
219 if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_TCP) {
220 struct tcp_hdr *tcp_hdr = (struct tcp_hdr *)(l3_hdr +
223 if (eth_hdr->ether_type == htons(ETHER_TYPE_IPv4))
224 tcp_hdr->cksum = rte_ipv4_udptcp_cksum(ipv4_hdr,
226 else /* assume ethertype == ETHER_TYPE_IPv6 */
227 tcp_hdr->cksum = rte_ipv6_udptcp_cksum(ipv6_hdr,
229 } else if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) ==
231 struct udp_hdr *udp_hdr = (struct udp_hdr *)(l3_hdr +
233 udp_hdr->dgram_cksum = 0;
234 if (eth_hdr->ether_type == htons(ETHER_TYPE_IPv4))
235 udp_hdr->dgram_cksum = rte_ipv4_udptcp_cksum(ipv4_hdr,
237 else /* assume ethertype == ETHER_TYPE_IPv6 */
238 udp_hdr->dgram_cksum = rte_ipv6_udptcp_cksum(ipv6_hdr,
243 static inline void dpaa_checksum_offload(struct rte_mbuf *mbuf,
244 struct qm_fd *fd, char *prs_buf)
246 struct dpaa_eth_parse_results_t *prs;
248 DPAA_DP_LOG(DEBUG, " Offloading checksum for mbuf: %p", mbuf);
250 prs = GET_TX_PRS(prs_buf);
253 if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_IPV4) ||
254 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
255 RTE_PTYPE_L3_IPV4_EXT))
256 prs->l3r = DPAA_L3_PARSE_RESULT_IPV4;
257 else if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
258 RTE_PTYPE_L3_IPV6) ||
259 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
260 RTE_PTYPE_L3_IPV6_EXT))
261 prs->l3r = DPAA_L3_PARSE_RESULT_IPV6;
263 if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_TCP)
264 prs->l4r = DPAA_L4_PARSE_RESULT_TCP;
265 else if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_UDP)
266 prs->l4r = DPAA_L4_PARSE_RESULT_UDP;
268 prs->ip_off[0] = mbuf->l2_len;
269 prs->l4_off = mbuf->l3_len + mbuf->l2_len;
270 /* Enable L3 (and L4, if TCP or UDP) HW checksum*/
271 fd->cmd = DPAA_FD_CMD_RPD | DPAA_FD_CMD_DTC;
275 dpaa_unsegmented_checksum(struct rte_mbuf *mbuf, struct qm_fd *fd_arr)
277 if (!mbuf->packet_type) {
278 struct rte_net_hdr_lens hdr_lens;
280 mbuf->packet_type = rte_net_get_ptype(mbuf, &hdr_lens,
281 RTE_PTYPE_L2_MASK | RTE_PTYPE_L3_MASK
282 | RTE_PTYPE_L4_MASK);
283 mbuf->l2_len = hdr_lens.l2_len;
284 mbuf->l3_len = hdr_lens.l3_len;
286 if (mbuf->data_off < (DEFAULT_TX_ICEOF +
287 sizeof(struct dpaa_eth_parse_results_t))) {
288 DPAA_DP_LOG(DEBUG, "Checksum offload Err: "
289 "Not enough Headroom "
290 "space for correct Checksum offload."
291 "So Calculating checksum in Software.");
294 dpaa_checksum_offload(mbuf, fd_arr, mbuf->buf_addr);
299 dpaa_eth_sg_to_mbuf(const struct qm_fd *fd, uint32_t ifid)
301 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
302 struct rte_mbuf *first_seg, *prev_seg, *cur_seg, *temp;
303 struct qm_sg_entry *sgt, *sg_temp;
304 void *vaddr, *sg_vaddr;
306 uint8_t fd_offset = fd->offset;
308 DPAA_DP_LOG(DEBUG, "Received an SG frame");
310 vaddr = rte_dpaa_mem_ptov(qm_fd_addr(fd));
312 DPAA_PMD_ERR("unable to convert physical address");
315 sgt = vaddr + fd_offset;
317 hw_sg_to_cpu(sg_temp);
318 temp = (struct rte_mbuf *)((char *)vaddr - bp_info->meta_data_size);
319 sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp));
321 first_seg = (struct rte_mbuf *)((char *)sg_vaddr -
322 bp_info->meta_data_size);
323 first_seg->data_off = sg_temp->offset;
324 first_seg->data_len = sg_temp->length;
325 first_seg->pkt_len = sg_temp->length;
326 rte_mbuf_refcnt_set(first_seg, 1);
328 first_seg->port = ifid;
329 first_seg->nb_segs = 1;
330 first_seg->ol_flags = 0;
331 prev_seg = first_seg;
332 while (i < DPAA_SGT_MAX_ENTRIES) {
334 hw_sg_to_cpu(sg_temp);
335 sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp));
336 cur_seg = (struct rte_mbuf *)((char *)sg_vaddr -
337 bp_info->meta_data_size);
338 cur_seg->data_off = sg_temp->offset;
339 cur_seg->data_len = sg_temp->length;
340 first_seg->pkt_len += sg_temp->length;
341 first_seg->nb_segs += 1;
342 rte_mbuf_refcnt_set(cur_seg, 1);
343 prev_seg->next = cur_seg;
344 if (sg_temp->final) {
345 cur_seg->next = NULL;
351 dpaa_eth_packet_info(first_seg, (uint64_t)vaddr);
352 rte_pktmbuf_free_seg(temp);
357 static inline struct rte_mbuf *
358 dpaa_eth_fd_to_mbuf(const struct qm_fd *fd, uint32_t ifid)
360 struct rte_mbuf *mbuf;
361 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
362 void *ptr = rte_dpaa_mem_ptov(qm_fd_addr(fd));
364 (fd->opaque & DPAA_FD_FORMAT_MASK) >> DPAA_FD_FORMAT_SHIFT;
368 DPAA_DP_LOG(DEBUG, " FD--->MBUF");
370 if (unlikely(format == qm_fd_sg))
371 return dpaa_eth_sg_to_mbuf(fd, ifid);
373 rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
375 offset = (fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT;
376 length = fd->opaque & DPAA_FD_LENGTH_MASK;
378 /* Ignoring case when format != qm_fd_contig */
379 dpaa_display_frame(fd);
381 mbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size);
383 mbuf->data_off = offset;
384 mbuf->data_len = length;
385 mbuf->pkt_len = length;
391 rte_mbuf_refcnt_set(mbuf, 1);
392 dpaa_eth_packet_info(mbuf, (uint64_t)mbuf->buf_addr);
397 uint16_t dpaa_eth_queue_rx(void *q,
398 struct rte_mbuf **bufs,
401 struct qman_fq *fq = q;
402 struct qm_dqrr_entry *dq;
403 uint32_t num_rx = 0, ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid;
406 ret = rte_dpaa_portal_init((void *)0);
408 DPAA_PMD_ERR("Failure in affining portal");
412 ret = qman_set_vdq(fq, (nb_bufs > DPAA_MAX_DEQUEUE_NUM_FRAMES) ?
413 DPAA_MAX_DEQUEUE_NUM_FRAMES : nb_bufs);
418 dq = qman_dequeue(fq);
421 bufs[num_rx++] = dpaa_eth_fd_to_mbuf(&dq->fd, ifid);
422 qman_dqrr_consume(fq, dq);
423 } while (fq->flags & QMAN_FQ_STATE_VDQCR);
428 static void *dpaa_get_pktbuf(struct dpaa_bp_info *bp_info)
432 struct bm_buffer bufs;
434 ret = bman_acquire(bp_info->bp, &bufs, 1, 0);
436 DPAA_PMD_WARN("Failed to allocate buffers %d", ret);
440 DPAA_DP_LOG(DEBUG, "got buffer 0x%lx from pool %d",
441 (uint64_t)bufs.addr, bufs.bpid);
443 buf = (uint64_t)rte_dpaa_mem_ptov(bufs.addr) - bp_info->meta_data_size;
451 static struct rte_mbuf *dpaa_get_dmable_mbuf(struct rte_mbuf *mbuf,
452 struct dpaa_if *dpaa_intf)
454 struct rte_mbuf *dpaa_mbuf;
456 /* allocate pktbuffer on bpid for dpaa port */
457 dpaa_mbuf = dpaa_get_pktbuf(dpaa_intf->bp_info);
461 memcpy((uint8_t *)(dpaa_mbuf->buf_addr) + RTE_PKTMBUF_HEADROOM, (void *)
462 ((uint8_t *)(mbuf->buf_addr) + mbuf->data_off), mbuf->pkt_len);
464 /* Copy only the required fields */
465 dpaa_mbuf->data_off = RTE_PKTMBUF_HEADROOM;
466 dpaa_mbuf->pkt_len = mbuf->pkt_len;
467 dpaa_mbuf->ol_flags = mbuf->ol_flags;
468 dpaa_mbuf->packet_type = mbuf->packet_type;
469 dpaa_mbuf->tx_offload = mbuf->tx_offload;
470 rte_pktmbuf_free(mbuf);
475 dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
479 struct rte_mbuf *cur_seg = mbuf, *prev_seg = NULL;
480 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(bpid);
481 struct rte_mbuf *temp, *mi;
482 struct qm_sg_entry *sg_temp, *sgt;
485 DPAA_DP_LOG(DEBUG, "Creating SG FD to transmit");
487 temp = rte_pktmbuf_alloc(bp_info->mp);
489 DPAA_PMD_ERR("Failure in allocation of mbuf");
492 if (temp->buf_len < ((mbuf->nb_segs * sizeof(struct qm_sg_entry))
494 DPAA_PMD_ERR("Insufficient space in mbuf for SG entries");
501 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) {
502 if (!mbuf->packet_type) {
503 struct rte_net_hdr_lens hdr_lens;
505 mbuf->packet_type = rte_net_get_ptype(mbuf, &hdr_lens,
506 RTE_PTYPE_L2_MASK | RTE_PTYPE_L3_MASK
507 | RTE_PTYPE_L4_MASK);
508 mbuf->l2_len = hdr_lens.l2_len;
509 mbuf->l3_len = hdr_lens.l3_len;
511 if (temp->data_off < DEFAULT_TX_ICEOF
512 + sizeof(struct dpaa_eth_parse_results_t))
513 temp->data_off = DEFAULT_TX_ICEOF
514 + sizeof(struct dpaa_eth_parse_results_t);
515 dcbz_64(temp->buf_addr);
516 dpaa_checksum_offload(mbuf, fd, temp->buf_addr);
519 sgt = temp->buf_addr + temp->data_off;
520 fd->format = QM_FD_SG;
521 fd->addr = temp->buf_iova;
522 fd->offset = temp->data_off;
524 fd->length20 = mbuf->pkt_len;
526 while (i < DPAA_SGT_MAX_ENTRIES) {
530 sg_temp->addr = cur_seg->buf_iova;
531 sg_temp->offset = cur_seg->data_off;
532 sg_temp->length = cur_seg->data_len;
533 if (RTE_MBUF_DIRECT(cur_seg)) {
534 if (rte_mbuf_refcnt_read(cur_seg) > 1) {
535 /*If refcnt > 1, invalid bpid is set to ensure
536 * buffer is not freed by HW.
538 sg_temp->bpid = 0xff;
539 rte_mbuf_refcnt_update(cur_seg, -1);
542 DPAA_MEMPOOL_TO_BPID(cur_seg->pool);
544 cur_seg = cur_seg->next;
546 /* Get owner MBUF from indirect buffer */
547 mi = rte_mbuf_from_indirect(cur_seg);
548 if (rte_mbuf_refcnt_read(mi) > 1) {
549 /*If refcnt > 1, invalid bpid is set to ensure
550 * owner buffer is not freed by HW.
552 sg_temp->bpid = 0xff;
554 sg_temp->bpid = DPAA_MEMPOOL_TO_BPID(mi->pool);
555 rte_mbuf_refcnt_update(mi, 1);
558 cur_seg = cur_seg->next;
559 prev_seg->next = NULL;
560 rte_pktmbuf_free(prev_seg);
562 if (cur_seg == NULL) {
564 cpu_to_hw_sg(sg_temp);
567 cpu_to_hw_sg(sg_temp);
572 /* Handle mbufs which are not segmented (non SG) */
574 tx_on_dpaa_pool_unsegmented(struct rte_mbuf *mbuf,
575 struct dpaa_bp_info *bp_info,
576 struct qm_fd *fd_arr)
578 struct rte_mbuf *mi = NULL;
580 if (RTE_MBUF_DIRECT(mbuf)) {
581 if (rte_mbuf_refcnt_read(mbuf) > 1) {
582 /* In case of direct mbuf and mbuf being cloned,
583 * BMAN should _not_ release buffer.
585 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff);
586 /* Buffer should be releasd by EAL */
587 rte_mbuf_refcnt_update(mbuf, -1);
589 /* In case of direct mbuf and no cloning, mbuf can be
592 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid);
595 /* This is data-containing core mbuf: 'mi' */
596 mi = rte_mbuf_from_indirect(mbuf);
597 if (rte_mbuf_refcnt_read(mi) > 1) {
598 /* In case of indirect mbuf, and mbuf being cloned,
599 * BMAN should _not_ release it and let EAL release
600 * it through pktmbuf_free below.
602 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff);
604 /* In case of indirect mbuf, and no cloning, core mbuf
605 * should be released by BMAN.
606 * Increate refcnt of core mbuf so that when
607 * pktmbuf_free is called and mbuf is released, EAL
608 * doesn't try to release core mbuf which would have
609 * been released by BMAN.
611 rte_mbuf_refcnt_update(mi, 1);
612 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid);
614 rte_pktmbuf_free(mbuf);
617 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK)
618 dpaa_unsegmented_checksum(mbuf, fd_arr);
621 /* Handle all mbufs on dpaa BMAN managed pool */
622 static inline uint16_t
623 tx_on_dpaa_pool(struct rte_mbuf *mbuf,
624 struct dpaa_bp_info *bp_info,
625 struct qm_fd *fd_arr)
627 DPAA_DP_LOG(DEBUG, "BMAN offloaded buffer, mbuf: %p", mbuf);
629 if (mbuf->nb_segs == 1) {
630 /* Case for non-segmented buffers */
631 tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr);
632 } else if (mbuf->nb_segs > 1 &&
633 mbuf->nb_segs <= DPAA_SGT_MAX_ENTRIES) {
634 if (dpaa_eth_mbuf_to_sg_fd(mbuf, fd_arr, bp_info->bpid)) {
635 DPAA_PMD_DEBUG("Unable to create Scatter Gather FD");
639 DPAA_PMD_DEBUG("Number of Segments not supported");
646 /* Handle all mbufs on an external pool (non-dpaa) */
647 static inline uint16_t
648 tx_on_external_pool(struct qman_fq *txq, struct rte_mbuf *mbuf,
649 struct qm_fd *fd_arr)
651 struct dpaa_if *dpaa_intf = txq->dpaa_intf;
652 struct rte_mbuf *dmable_mbuf;
654 DPAA_DP_LOG(DEBUG, "Non-BMAN offloaded buffer."
655 "Allocating an offloaded buffer");
656 dmable_mbuf = dpaa_get_dmable_mbuf(mbuf, dpaa_intf);
658 DPAA_DP_LOG(DEBUG, "no dpaa buffers.");
662 DPAA_MBUF_TO_CONTIG_FD(dmable_mbuf, fd_arr, dpaa_intf->bp_info->bpid);
668 dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
670 struct rte_mbuf *mbuf, *mi = NULL;
671 struct rte_mempool *mp;
672 struct dpaa_bp_info *bp_info;
673 struct qm_fd fd_arr[DPAA_TX_BURST_SIZE];
674 uint32_t frames_to_send, loop, sent = 0;
678 ret = rte_dpaa_portal_init((void *)0);
680 DPAA_PMD_ERR("Failure in affining portal");
684 DPAA_DP_LOG(DEBUG, "Transmitting %d buffers on queue: %p", nb_bufs, q);
687 frames_to_send = (nb_bufs > DPAA_TX_BURST_SIZE) ?
688 DPAA_TX_BURST_SIZE : nb_bufs;
689 for (loop = 0; loop < frames_to_send; loop++) {
691 if (likely(RTE_MBUF_DIRECT(mbuf))) {
693 bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
694 if (likely(mp->ops_index ==
695 bp_info->dpaa_ops_index &&
696 mbuf->nb_segs == 1 &&
697 rte_mbuf_refcnt_read(mbuf) == 1)) {
698 DPAA_MBUF_TO_CONTIG_FD(mbuf,
699 &fd_arr[loop], bp_info->bpid);
701 DPAA_TX_CKSUM_OFFLOAD_MASK)
702 dpaa_unsegmented_checksum(mbuf,
707 mi = rte_mbuf_from_indirect(mbuf);
711 bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
712 if (likely(mp->ops_index == bp_info->dpaa_ops_index)) {
713 state = tx_on_dpaa_pool(mbuf, bp_info,
715 if (unlikely(state)) {
716 /* Set frames_to_send & nb_bufs so
717 * that packets are transmitted till
720 frames_to_send = loop;
725 state = tx_on_external_pool(q, mbuf,
727 if (unlikely(state)) {
728 /* Set frames_to_send & nb_bufs so
729 * that packets are transmitted till
732 frames_to_send = loop;
741 while (loop < frames_to_send) {
742 loop += qman_enqueue_multi(q, &fd_arr[loop],
743 frames_to_send - loop);
745 nb_bufs -= frames_to_send;
746 sent += frames_to_send;
749 DPAA_DP_LOG(DEBUG, "Transmitted %d buffers on queue: %p", sent, q);
754 uint16_t dpaa_eth_tx_drop_all(void *q __rte_unused,
755 struct rte_mbuf **bufs __rte_unused,
756 uint16_t nb_bufs __rte_unused)
758 DPAA_DP_LOG(DEBUG, "Drop all packets");
760 /* Drop all incoming packets. No need to free packets here
761 * because the rte_eth f/w frees up the packets through tx_buffer
762 * callback in case this functions returns count less than nb_bufs