4 * Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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43 #include <rte_config.h>
44 #include <rte_byteorder.h>
45 #include <rte_common.h>
46 #include <rte_interrupts.h>
48 #include <rte_debug.h>
50 #include <rte_atomic.h>
51 #include <rte_branch_prediction.h>
52 #include <rte_memory.h>
53 #include <rte_memzone.h>
54 #include <rte_tailq.h>
56 #include <rte_alarm.h>
57 #include <rte_ether.h>
58 #include <rte_ethdev.h>
59 #include <rte_atomic.h>
60 #include <rte_malloc.h>
66 #include "dpaa_ethdev.h"
67 #include "dpaa_rxtx.h"
68 #include <rte_dpaa_bus.h>
69 #include <dpaa_mempool.h>
77 #define DPAA_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) \
80 (_fd)->opaque_addr = 0; \
81 (_fd)->opaque = QM_FD_CONTIG << DPAA_FD_FORMAT_SHIFT; \
82 (_fd)->opaque |= ((_mbuf)->data_off) << DPAA_FD_OFFSET_SHIFT; \
83 (_fd)->opaque |= (_mbuf)->pkt_len; \
84 (_fd)->addr = (_mbuf)->buf_physaddr; \
85 (_fd)->bpid = _bpid; \
88 #if (defined RTE_LIBRTE_DPAA_DEBUG_DRIVER)
89 void dpaa_display_frame(const struct qm_fd *fd)
94 printf("%s::bpid %x addr %08x%08x, format %d off %d, len %d stat %x\n",
95 __func__, fd->bpid, fd->addr_hi, fd->addr_lo, fd->format,
96 fd->offset, fd->length20, fd->status);
98 ptr = (char *)rte_dpaa_mem_ptov(fd->addr);
100 printf("%02x ", *ptr);
101 for (ii = 1; ii < fd->length20; ii++) {
102 printf("%02x ", *ptr);
110 #define dpaa_display_frame(a)
113 static inline void dpaa_slow_parsing(struct rte_mbuf *m __rte_unused,
114 uint64_t prs __rte_unused)
116 DPAA_DP_LOG(DEBUG, "Slow parsing");
117 /*TBD:XXX: to be implemented*/
120 static inline void dpaa_eth_packet_info(struct rte_mbuf *m,
121 uint64_t fd_virt_addr)
123 struct annotations_t *annot = GET_ANNOTATIONS(fd_virt_addr);
124 uint64_t prs = *((uint64_t *)(&annot->parse)) & DPAA_PARSE_MASK;
126 DPAA_DP_LOG(DEBUG, " Parsing mbuf: %p with annotations: %p", m, annot);
129 case DPAA_PKT_TYPE_NONE:
132 case DPAA_PKT_TYPE_ETHER:
133 m->packet_type = RTE_PTYPE_L2_ETHER;
135 case DPAA_PKT_TYPE_IPV4:
136 m->packet_type = RTE_PTYPE_L2_ETHER |
139 case DPAA_PKT_TYPE_IPV6:
140 m->packet_type = RTE_PTYPE_L2_ETHER |
143 case DPAA_PKT_TYPE_IPV4_FRAG:
144 case DPAA_PKT_TYPE_IPV4_FRAG_UDP:
145 case DPAA_PKT_TYPE_IPV4_FRAG_TCP:
146 case DPAA_PKT_TYPE_IPV4_FRAG_SCTP:
147 m->packet_type = RTE_PTYPE_L2_ETHER |
148 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_FRAG;
150 case DPAA_PKT_TYPE_IPV6_FRAG:
151 case DPAA_PKT_TYPE_IPV6_FRAG_UDP:
152 case DPAA_PKT_TYPE_IPV6_FRAG_TCP:
153 case DPAA_PKT_TYPE_IPV6_FRAG_SCTP:
154 m->packet_type = RTE_PTYPE_L2_ETHER |
155 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_FRAG;
157 case DPAA_PKT_TYPE_IPV4_EXT:
158 m->packet_type = RTE_PTYPE_L2_ETHER |
159 RTE_PTYPE_L3_IPV4_EXT;
161 case DPAA_PKT_TYPE_IPV6_EXT:
162 m->packet_type = RTE_PTYPE_L2_ETHER |
163 RTE_PTYPE_L3_IPV6_EXT;
165 case DPAA_PKT_TYPE_IPV4_TCP:
166 m->packet_type = RTE_PTYPE_L2_ETHER |
167 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP;
169 case DPAA_PKT_TYPE_IPV6_TCP:
170 m->packet_type = RTE_PTYPE_L2_ETHER |
171 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
173 case DPAA_PKT_TYPE_IPV4_UDP:
174 m->packet_type = RTE_PTYPE_L2_ETHER |
175 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP;
177 case DPAA_PKT_TYPE_IPV6_UDP:
178 m->packet_type = RTE_PTYPE_L2_ETHER |
179 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
181 case DPAA_PKT_TYPE_IPV4_EXT_UDP:
182 m->packet_type = RTE_PTYPE_L2_ETHER |
183 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_UDP;
185 case DPAA_PKT_TYPE_IPV6_EXT_UDP:
186 m->packet_type = RTE_PTYPE_L2_ETHER |
187 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_UDP;
189 case DPAA_PKT_TYPE_IPV4_EXT_TCP:
190 m->packet_type = RTE_PTYPE_L2_ETHER |
191 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_TCP;
193 case DPAA_PKT_TYPE_IPV6_EXT_TCP:
194 m->packet_type = RTE_PTYPE_L2_ETHER |
195 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_TCP;
197 case DPAA_PKT_TYPE_IPV4_SCTP:
198 m->packet_type = RTE_PTYPE_L2_ETHER |
199 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP;
201 case DPAA_PKT_TYPE_IPV6_SCTP:
202 m->packet_type = RTE_PTYPE_L2_ETHER |
203 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_SCTP;
205 /* More switch cases can be added */
207 dpaa_slow_parsing(m, prs);
210 m->tx_offload = annot->parse.ip_off[0];
211 m->tx_offload |= (annot->parse.l4_off - annot->parse.ip_off[0])
212 << DPAA_PKT_L3_LEN_SHIFT;
214 /* Set the hash values */
215 m->hash.rss = (uint32_t)(rte_be_to_cpu_64(annot->hash));
216 m->ol_flags = PKT_RX_RSS_HASH;
217 /* All packets with Bad checksum are dropped by interface (and
218 * corresponding notification issued to RX error queues).
220 m->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
222 /* Check if Vlan is present */
223 if (prs & DPAA_PARSE_VLAN_MASK)
224 m->ol_flags |= PKT_RX_VLAN_PKT;
225 /* Packet received without stripping the vlan */
228 static inline void dpaa_checksum(struct rte_mbuf *mbuf)
230 struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
231 char *l3_hdr = (char *)eth_hdr + mbuf->l2_len;
232 struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)l3_hdr;
233 struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)l3_hdr;
235 DPAA_DP_LOG(DEBUG, "Calculating checksum for mbuf: %p", mbuf);
237 if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_IPV4) ||
238 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
239 RTE_PTYPE_L3_IPV4_EXT)) {
240 ipv4_hdr = (struct ipv4_hdr *)l3_hdr;
241 ipv4_hdr->hdr_checksum = 0;
242 ipv4_hdr->hdr_checksum = rte_ipv4_cksum(ipv4_hdr);
243 } else if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
244 RTE_PTYPE_L3_IPV6) ||
245 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
246 RTE_PTYPE_L3_IPV6_EXT))
247 ipv6_hdr = (struct ipv6_hdr *)l3_hdr;
249 if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_TCP) {
250 struct tcp_hdr *tcp_hdr = (struct tcp_hdr *)(l3_hdr +
253 if (eth_hdr->ether_type == htons(ETHER_TYPE_IPv4))
254 tcp_hdr->cksum = rte_ipv4_udptcp_cksum(ipv4_hdr,
256 else /* assume ethertype == ETHER_TYPE_IPv6 */
257 tcp_hdr->cksum = rte_ipv6_udptcp_cksum(ipv6_hdr,
259 } else if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) ==
261 struct udp_hdr *udp_hdr = (struct udp_hdr *)(l3_hdr +
263 udp_hdr->dgram_cksum = 0;
264 if (eth_hdr->ether_type == htons(ETHER_TYPE_IPv4))
265 udp_hdr->dgram_cksum = rte_ipv4_udptcp_cksum(ipv4_hdr,
267 else /* assume ethertype == ETHER_TYPE_IPv6 */
268 udp_hdr->dgram_cksum = rte_ipv6_udptcp_cksum(ipv6_hdr,
273 static inline void dpaa_checksum_offload(struct rte_mbuf *mbuf,
274 struct qm_fd *fd, char *prs_buf)
276 struct dpaa_eth_parse_results_t *prs;
278 DPAA_DP_LOG(DEBUG, " Offloading checksum for mbuf: %p", mbuf);
280 prs = GET_TX_PRS(prs_buf);
283 if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_IPV4) ||
284 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
285 RTE_PTYPE_L3_IPV4_EXT))
286 prs->l3r = DPAA_L3_PARSE_RESULT_IPV4;
287 else if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
288 RTE_PTYPE_L3_IPV6) ||
289 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
290 RTE_PTYPE_L3_IPV6_EXT))
291 prs->l3r = DPAA_L3_PARSE_RESULT_IPV6;
293 if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_TCP)
294 prs->l4r = DPAA_L4_PARSE_RESULT_TCP;
295 else if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_UDP)
296 prs->l4r = DPAA_L4_PARSE_RESULT_UDP;
298 prs->ip_off[0] = mbuf->l2_len;
299 prs->l4_off = mbuf->l3_len + mbuf->l2_len;
300 /* Enable L3 (and L4, if TCP or UDP) HW checksum*/
301 fd->cmd = DPAA_FD_CMD_RPD | DPAA_FD_CMD_DTC;
305 dpaa_eth_sg_to_mbuf(struct qm_fd *fd, uint32_t ifid)
307 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
308 struct rte_mbuf *first_seg, *prev_seg, *cur_seg, *temp;
309 struct qm_sg_entry *sgt, *sg_temp;
310 void *vaddr, *sg_vaddr;
312 uint8_t fd_offset = fd->offset;
314 DPAA_DP_LOG(DEBUG, "Received an SG frame");
316 vaddr = rte_dpaa_mem_ptov(qm_fd_addr(fd));
318 DPAA_PMD_ERR("unable to convert physical address");
321 sgt = vaddr + fd_offset;
323 hw_sg_to_cpu(sg_temp);
324 temp = (struct rte_mbuf *)((char *)vaddr - bp_info->meta_data_size);
325 sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp));
327 first_seg = (struct rte_mbuf *)((char *)sg_vaddr -
328 bp_info->meta_data_size);
329 first_seg->data_off = sg_temp->offset;
330 first_seg->data_len = sg_temp->length;
331 first_seg->pkt_len = sg_temp->length;
332 rte_mbuf_refcnt_set(first_seg, 1);
334 first_seg->port = ifid;
335 first_seg->nb_segs = 1;
336 first_seg->ol_flags = 0;
337 prev_seg = first_seg;
338 while (i < DPAA_SGT_MAX_ENTRIES) {
340 hw_sg_to_cpu(sg_temp);
341 sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp));
342 cur_seg = (struct rte_mbuf *)((char *)sg_vaddr -
343 bp_info->meta_data_size);
344 cur_seg->data_off = sg_temp->offset;
345 cur_seg->data_len = sg_temp->length;
346 first_seg->pkt_len += sg_temp->length;
347 first_seg->nb_segs += 1;
348 rte_mbuf_refcnt_set(cur_seg, 1);
349 prev_seg->next = cur_seg;
350 if (sg_temp->final) {
351 cur_seg->next = NULL;
357 dpaa_eth_packet_info(first_seg, (uint64_t)vaddr);
358 rte_pktmbuf_free_seg(temp);
363 static inline struct rte_mbuf *dpaa_eth_fd_to_mbuf(struct qm_fd *fd,
366 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
367 struct rte_mbuf *mbuf;
370 (fd->opaque & DPAA_FD_FORMAT_MASK) >> DPAA_FD_FORMAT_SHIFT;
372 (fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT;
373 uint32_t length = fd->opaque & DPAA_FD_LENGTH_MASK;
375 DPAA_DP_LOG(DEBUG, " FD--->MBUF");
377 if (unlikely(format == qm_fd_sg))
378 return dpaa_eth_sg_to_mbuf(fd, ifid);
380 /* Ignoring case when format != qm_fd_contig */
381 dpaa_display_frame(fd);
382 ptr = rte_dpaa_mem_ptov(fd->addr);
383 /* Ignoring case when ptr would be NULL. That is only possible incase
384 * of a corrupted packet
387 mbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size);
388 /* Prefetch the Parse results and packet data to L1 */
389 rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
390 rte_prefetch0((void *)((uint8_t *)ptr + offset));
392 mbuf->data_off = offset;
393 mbuf->data_len = length;
394 mbuf->pkt_len = length;
400 rte_mbuf_refcnt_set(mbuf, 1);
401 dpaa_eth_packet_info(mbuf, (uint64_t)mbuf->buf_addr);
406 uint16_t dpaa_eth_queue_rx(void *q,
407 struct rte_mbuf **bufs,
410 struct qman_fq *fq = q;
411 struct qm_dqrr_entry *dq;
412 uint32_t num_rx = 0, ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid;
415 ret = rte_dpaa_portal_init((void *)0);
417 DPAA_PMD_ERR("Failure in affining portal");
421 ret = qman_set_vdq(fq, (nb_bufs > DPAA_MAX_DEQUEUE_NUM_FRAMES) ?
422 DPAA_MAX_DEQUEUE_NUM_FRAMES : nb_bufs);
427 dq = qman_dequeue(fq);
430 bufs[num_rx++] = dpaa_eth_fd_to_mbuf(&dq->fd, ifid);
431 qman_dqrr_consume(fq, dq);
432 } while (fq->flags & QMAN_FQ_STATE_VDQCR);
437 static void *dpaa_get_pktbuf(struct dpaa_bp_info *bp_info)
441 struct bm_buffer bufs;
443 ret = bman_acquire(bp_info->bp, &bufs, 1, 0);
445 DPAA_PMD_WARN("Failed to allocate buffers %d", ret);
449 DPAA_DP_LOG(DEBUG, "got buffer 0x%lx from pool %d",
450 (uint64_t)bufs.addr, bufs.bpid);
452 buf = (uint64_t)rte_dpaa_mem_ptov(bufs.addr) - bp_info->meta_data_size;
460 static struct rte_mbuf *dpaa_get_dmable_mbuf(struct rte_mbuf *mbuf,
461 struct dpaa_if *dpaa_intf)
463 struct rte_mbuf *dpaa_mbuf;
465 /* allocate pktbuffer on bpid for dpaa port */
466 dpaa_mbuf = dpaa_get_pktbuf(dpaa_intf->bp_info);
470 memcpy((uint8_t *)(dpaa_mbuf->buf_addr) + mbuf->data_off, (void *)
471 ((uint8_t *)(mbuf->buf_addr) + mbuf->data_off), mbuf->pkt_len);
473 /* Copy only the required fields */
474 dpaa_mbuf->data_off = mbuf->data_off;
475 dpaa_mbuf->pkt_len = mbuf->pkt_len;
476 dpaa_mbuf->ol_flags = mbuf->ol_flags;
477 dpaa_mbuf->packet_type = mbuf->packet_type;
478 dpaa_mbuf->tx_offload = mbuf->tx_offload;
479 rte_pktmbuf_free(mbuf);
484 dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
488 struct rte_mbuf *cur_seg = mbuf, *prev_seg = NULL;
489 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(bpid);
490 struct rte_mbuf *temp, *mi;
491 struct qm_sg_entry *sg_temp, *sgt;
494 DPAA_DP_LOG(DEBUG, "Creating SG FD to transmit");
496 temp = rte_pktmbuf_alloc(bp_info->mp);
498 DPAA_PMD_ERR("Failure in allocation of mbuf");
501 if (temp->buf_len < ((mbuf->nb_segs * sizeof(struct qm_sg_entry))
503 DPAA_PMD_ERR("Insufficient space in mbuf for SG entries");
510 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) {
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_physaddr;
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_physaddr;
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 if (mbuf->data_off < (DEFAULT_TX_ICEOF +
619 sizeof(struct dpaa_eth_parse_results_t))) {
620 DPAA_DP_LOG(DEBUG, "Checksum offload Err: "
621 "Not enough Headroom "
622 "space for correct Checksum offload."
623 "So Calculating checksum in Software.");
626 dpaa_checksum_offload(mbuf, fd_arr, mbuf->buf_addr);
631 /* Handle all mbufs on dpaa BMAN managed pool */
632 static inline uint16_t
633 tx_on_dpaa_pool(struct rte_mbuf *mbuf,
634 struct dpaa_bp_info *bp_info,
635 struct qm_fd *fd_arr)
637 DPAA_DP_LOG(DEBUG, "BMAN offloaded buffer, mbuf: %p", mbuf);
639 if (mbuf->nb_segs == 1) {
640 /* Case for non-segmented buffers */
641 tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr);
642 } else if (mbuf->nb_segs > 1 &&
643 mbuf->nb_segs <= DPAA_SGT_MAX_ENTRIES) {
644 if (dpaa_eth_mbuf_to_sg_fd(mbuf, fd_arr, bp_info->bpid)) {
645 DPAA_PMD_DEBUG("Unable to create Scatter Gather FD");
649 DPAA_PMD_DEBUG("Number of Segments not supported");
656 /* Handle all mbufs on an external pool (non-dpaa) */
657 static inline uint16_t
658 tx_on_external_pool(struct qman_fq *txq, struct rte_mbuf *mbuf,
659 struct qm_fd *fd_arr)
661 struct dpaa_if *dpaa_intf = txq->dpaa_intf;
662 struct rte_mbuf *dmable_mbuf;
664 DPAA_DP_LOG(DEBUG, "Non-BMAN offloaded buffer."
665 "Allocating an offloaded buffer");
666 dmable_mbuf = dpaa_get_dmable_mbuf(mbuf, dpaa_intf);
668 DPAA_DP_LOG(DEBUG, "no dpaa buffers.");
672 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, dpaa_intf->bp_info->bpid);
678 dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
680 struct rte_mbuf *mbuf, *mi = NULL;
681 struct rte_mempool *mp;
682 struct dpaa_bp_info *bp_info;
683 struct qm_fd fd_arr[MAX_TX_RING_SLOTS];
684 uint32_t frames_to_send, loop, i = 0;
688 ret = rte_dpaa_portal_init((void *)0);
690 DPAA_PMD_ERR("Failure in affining portal");
694 DPAA_DP_LOG(DEBUG, "Transmitting %d buffers on queue: %p", nb_bufs, q);
697 frames_to_send = (nb_bufs >> 3) ? MAX_TX_RING_SLOTS : nb_bufs;
698 for (loop = 0; loop < frames_to_send; loop++, i++) {
700 if (RTE_MBUF_DIRECT(mbuf)) {
703 mi = rte_mbuf_from_indirect(mbuf);
707 bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
708 if (likely(mp->ops_index == bp_info->dpaa_ops_index)) {
709 state = tx_on_dpaa_pool(mbuf, bp_info,
711 if (unlikely(state)) {
712 /* Set frames_to_send & nb_bufs so
713 * that packets are transmitted till
716 frames_to_send = loop;
721 state = tx_on_external_pool(q, mbuf,
723 if (unlikely(state)) {
724 /* Set frames_to_send & nb_bufs so
725 * that packets are transmitted till
728 frames_to_send = loop;
737 while (loop < frames_to_send) {
738 loop += qman_enqueue_multi(q, &fd_arr[loop],
739 frames_to_send - loop);
741 nb_bufs -= frames_to_send;
744 DPAA_DP_LOG(DEBUG, "Transmitted %d buffers on queue: %p", i, q);
749 uint16_t dpaa_eth_tx_drop_all(void *q __rte_unused,
750 struct rte_mbuf **bufs __rte_unused,
751 uint16_t nb_bufs __rte_unused)
753 DPAA_DP_LOG(DEBUG, "Drop all packets");
755 /* Drop all incoming packets. No need to free packets here
756 * because the rte_eth f/w frees up the packets through tx_buffer
757 * callback in case this functions returns count less than nb_bufs