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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42 #include <rte_byteorder.h>
43 #include <rte_common.h>
44 #include <rte_interrupts.h>
46 #include <rte_debug.h>
48 #include <rte_atomic.h>
49 #include <rte_branch_prediction.h>
50 #include <rte_memory.h>
51 #include <rte_tailq.h>
53 #include <rte_alarm.h>
54 #include <rte_ether.h>
55 #include <rte_ethdev.h>
56 #include <rte_malloc.h>
62 #include "dpaa_ethdev.h"
63 #include "dpaa_rxtx.h"
64 #include <rte_dpaa_bus.h>
65 #include <dpaa_mempool.h>
73 #define DPAA_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) \
76 (_fd)->opaque_addr = 0; \
77 (_fd)->opaque = QM_FD_CONTIG << DPAA_FD_FORMAT_SHIFT; \
78 (_fd)->opaque |= ((_mbuf)->data_off) << DPAA_FD_OFFSET_SHIFT; \
79 (_fd)->opaque |= (_mbuf)->pkt_len; \
80 (_fd)->addr = (_mbuf)->buf_iova; \
81 (_fd)->bpid = _bpid; \
84 #if (defined RTE_LIBRTE_DPAA_DEBUG_DRIVER)
85 void dpaa_display_frame(const struct qm_fd *fd)
90 printf("%s::bpid %x addr %08x%08x, format %d off %d, len %d stat %x\n",
91 __func__, fd->bpid, fd->addr_hi, fd->addr_lo, fd->format,
92 fd->offset, fd->length20, fd->status);
94 ptr = (char *)rte_dpaa_mem_ptov(fd->addr);
96 printf("%02x ", *ptr);
97 for (ii = 1; ii < fd->length20; ii++) {
98 printf("%02x ", *ptr);
106 #define dpaa_display_frame(a)
109 static inline void dpaa_slow_parsing(struct rte_mbuf *m __rte_unused,
110 uint64_t prs __rte_unused)
112 DPAA_DP_LOG(DEBUG, "Slow parsing");
113 /*TBD:XXX: to be implemented*/
116 static inline void dpaa_eth_packet_info(struct rte_mbuf *m,
117 uint64_t fd_virt_addr)
119 struct annotations_t *annot = GET_ANNOTATIONS(fd_virt_addr);
120 uint64_t prs = *((uint64_t *)(&annot->parse)) & DPAA_PARSE_MASK;
122 DPAA_DP_LOG(DEBUG, " Parsing mbuf: %p with annotations: %p", m, annot);
125 case DPAA_PKT_TYPE_NONE:
128 case DPAA_PKT_TYPE_ETHER:
129 m->packet_type = RTE_PTYPE_L2_ETHER;
131 case DPAA_PKT_TYPE_IPV4:
132 m->packet_type = RTE_PTYPE_L2_ETHER |
135 case DPAA_PKT_TYPE_IPV6:
136 m->packet_type = RTE_PTYPE_L2_ETHER |
139 case DPAA_PKT_TYPE_IPV4_FRAG:
140 case DPAA_PKT_TYPE_IPV4_FRAG_UDP:
141 case DPAA_PKT_TYPE_IPV4_FRAG_TCP:
142 case DPAA_PKT_TYPE_IPV4_FRAG_SCTP:
143 m->packet_type = RTE_PTYPE_L2_ETHER |
144 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_FRAG;
146 case DPAA_PKT_TYPE_IPV6_FRAG:
147 case DPAA_PKT_TYPE_IPV6_FRAG_UDP:
148 case DPAA_PKT_TYPE_IPV6_FRAG_TCP:
149 case DPAA_PKT_TYPE_IPV6_FRAG_SCTP:
150 m->packet_type = RTE_PTYPE_L2_ETHER |
151 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_FRAG;
153 case DPAA_PKT_TYPE_IPV4_EXT:
154 m->packet_type = RTE_PTYPE_L2_ETHER |
155 RTE_PTYPE_L3_IPV4_EXT;
157 case DPAA_PKT_TYPE_IPV6_EXT:
158 m->packet_type = RTE_PTYPE_L2_ETHER |
159 RTE_PTYPE_L3_IPV6_EXT;
161 case DPAA_PKT_TYPE_IPV4_TCP:
162 m->packet_type = RTE_PTYPE_L2_ETHER |
163 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP;
165 case DPAA_PKT_TYPE_IPV6_TCP:
166 m->packet_type = RTE_PTYPE_L2_ETHER |
167 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
169 case DPAA_PKT_TYPE_IPV4_UDP:
170 m->packet_type = RTE_PTYPE_L2_ETHER |
171 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP;
173 case DPAA_PKT_TYPE_IPV6_UDP:
174 m->packet_type = RTE_PTYPE_L2_ETHER |
175 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
177 case DPAA_PKT_TYPE_IPV4_EXT_UDP:
178 m->packet_type = RTE_PTYPE_L2_ETHER |
179 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_UDP;
181 case DPAA_PKT_TYPE_IPV6_EXT_UDP:
182 m->packet_type = RTE_PTYPE_L2_ETHER |
183 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_UDP;
185 case DPAA_PKT_TYPE_IPV4_EXT_TCP:
186 m->packet_type = RTE_PTYPE_L2_ETHER |
187 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_TCP;
189 case DPAA_PKT_TYPE_IPV6_EXT_TCP:
190 m->packet_type = RTE_PTYPE_L2_ETHER |
191 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_TCP;
193 case DPAA_PKT_TYPE_IPV4_SCTP:
194 m->packet_type = RTE_PTYPE_L2_ETHER |
195 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP;
197 case DPAA_PKT_TYPE_IPV6_SCTP:
198 m->packet_type = RTE_PTYPE_L2_ETHER |
199 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_SCTP;
201 /* More switch cases can be added */
203 dpaa_slow_parsing(m, prs);
206 m->tx_offload = annot->parse.ip_off[0];
207 m->tx_offload |= (annot->parse.l4_off - annot->parse.ip_off[0])
208 << DPAA_PKT_L3_LEN_SHIFT;
210 /* Set the hash values */
211 m->hash.rss = (uint32_t)(rte_be_to_cpu_64(annot->hash));
212 m->ol_flags = PKT_RX_RSS_HASH;
213 /* All packets with Bad checksum are dropped by interface (and
214 * corresponding notification issued to RX error queues).
216 m->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
218 /* Check if Vlan is present */
219 if (prs & DPAA_PARSE_VLAN_MASK)
220 m->ol_flags |= PKT_RX_VLAN;
221 /* Packet received without stripping the vlan */
224 static inline void dpaa_checksum(struct rte_mbuf *mbuf)
226 struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
227 char *l3_hdr = (char *)eth_hdr + mbuf->l2_len;
228 struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)l3_hdr;
229 struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)l3_hdr;
231 DPAA_DP_LOG(DEBUG, "Calculating checksum for mbuf: %p", mbuf);
233 if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_IPV4) ||
234 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
235 RTE_PTYPE_L3_IPV4_EXT)) {
236 ipv4_hdr = (struct ipv4_hdr *)l3_hdr;
237 ipv4_hdr->hdr_checksum = 0;
238 ipv4_hdr->hdr_checksum = rte_ipv4_cksum(ipv4_hdr);
239 } else if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
240 RTE_PTYPE_L3_IPV6) ||
241 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
242 RTE_PTYPE_L3_IPV6_EXT))
243 ipv6_hdr = (struct ipv6_hdr *)l3_hdr;
245 if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_TCP) {
246 struct tcp_hdr *tcp_hdr = (struct tcp_hdr *)(l3_hdr +
249 if (eth_hdr->ether_type == htons(ETHER_TYPE_IPv4))
250 tcp_hdr->cksum = rte_ipv4_udptcp_cksum(ipv4_hdr,
252 else /* assume ethertype == ETHER_TYPE_IPv6 */
253 tcp_hdr->cksum = rte_ipv6_udptcp_cksum(ipv6_hdr,
255 } else if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) ==
257 struct udp_hdr *udp_hdr = (struct udp_hdr *)(l3_hdr +
259 udp_hdr->dgram_cksum = 0;
260 if (eth_hdr->ether_type == htons(ETHER_TYPE_IPv4))
261 udp_hdr->dgram_cksum = rte_ipv4_udptcp_cksum(ipv4_hdr,
263 else /* assume ethertype == ETHER_TYPE_IPv6 */
264 udp_hdr->dgram_cksum = rte_ipv6_udptcp_cksum(ipv6_hdr,
269 static inline void dpaa_checksum_offload(struct rte_mbuf *mbuf,
270 struct qm_fd *fd, char *prs_buf)
272 struct dpaa_eth_parse_results_t *prs;
274 DPAA_DP_LOG(DEBUG, " Offloading checksum for mbuf: %p", mbuf);
276 prs = GET_TX_PRS(prs_buf);
279 if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_IPV4) ||
280 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
281 RTE_PTYPE_L3_IPV4_EXT))
282 prs->l3r = DPAA_L3_PARSE_RESULT_IPV4;
283 else if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
284 RTE_PTYPE_L3_IPV6) ||
285 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) ==
286 RTE_PTYPE_L3_IPV6_EXT))
287 prs->l3r = DPAA_L3_PARSE_RESULT_IPV6;
289 if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_TCP)
290 prs->l4r = DPAA_L4_PARSE_RESULT_TCP;
291 else if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_UDP)
292 prs->l4r = DPAA_L4_PARSE_RESULT_UDP;
294 prs->ip_off[0] = mbuf->l2_len;
295 prs->l4_off = mbuf->l3_len + mbuf->l2_len;
296 /* Enable L3 (and L4, if TCP or UDP) HW checksum*/
297 fd->cmd = DPAA_FD_CMD_RPD | DPAA_FD_CMD_DTC;
301 dpaa_eth_sg_to_mbuf(struct qm_fd *fd, uint32_t ifid)
303 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
304 struct rte_mbuf *first_seg, *prev_seg, *cur_seg, *temp;
305 struct qm_sg_entry *sgt, *sg_temp;
306 void *vaddr, *sg_vaddr;
308 uint8_t fd_offset = fd->offset;
310 DPAA_DP_LOG(DEBUG, "Received an SG frame");
312 vaddr = rte_dpaa_mem_ptov(qm_fd_addr(fd));
314 DPAA_PMD_ERR("unable to convert physical address");
317 sgt = vaddr + fd_offset;
319 hw_sg_to_cpu(sg_temp);
320 temp = (struct rte_mbuf *)((char *)vaddr - bp_info->meta_data_size);
321 sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp));
323 first_seg = (struct rte_mbuf *)((char *)sg_vaddr -
324 bp_info->meta_data_size);
325 first_seg->data_off = sg_temp->offset;
326 first_seg->data_len = sg_temp->length;
327 first_seg->pkt_len = sg_temp->length;
328 rte_mbuf_refcnt_set(first_seg, 1);
330 first_seg->port = ifid;
331 first_seg->nb_segs = 1;
332 first_seg->ol_flags = 0;
333 prev_seg = first_seg;
334 while (i < DPAA_SGT_MAX_ENTRIES) {
336 hw_sg_to_cpu(sg_temp);
337 sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp));
338 cur_seg = (struct rte_mbuf *)((char *)sg_vaddr -
339 bp_info->meta_data_size);
340 cur_seg->data_off = sg_temp->offset;
341 cur_seg->data_len = sg_temp->length;
342 first_seg->pkt_len += sg_temp->length;
343 first_seg->nb_segs += 1;
344 rte_mbuf_refcnt_set(cur_seg, 1);
345 prev_seg->next = cur_seg;
346 if (sg_temp->final) {
347 cur_seg->next = NULL;
353 dpaa_eth_packet_info(first_seg, (uint64_t)vaddr);
354 rte_pktmbuf_free_seg(temp);
359 static inline struct rte_mbuf *dpaa_eth_fd_to_mbuf(struct qm_fd *fd,
362 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
363 struct rte_mbuf *mbuf;
366 (fd->opaque & DPAA_FD_FORMAT_MASK) >> DPAA_FD_FORMAT_SHIFT;
368 (fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT;
369 uint32_t length = fd->opaque & DPAA_FD_LENGTH_MASK;
371 DPAA_DP_LOG(DEBUG, " FD--->MBUF");
373 if (unlikely(format == qm_fd_sg))
374 return dpaa_eth_sg_to_mbuf(fd, ifid);
376 /* Ignoring case when format != qm_fd_contig */
377 dpaa_display_frame(fd);
378 ptr = rte_dpaa_mem_ptov(fd->addr);
379 /* Ignoring case when ptr would be NULL. That is only possible incase
380 * of a corrupted packet
383 mbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size);
384 /* Prefetch the Parse results and packet data to L1 */
385 rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
386 rte_prefetch0((void *)((uint8_t *)ptr + offset));
388 mbuf->data_off = offset;
389 mbuf->data_len = length;
390 mbuf->pkt_len = length;
396 rte_mbuf_refcnt_set(mbuf, 1);
397 dpaa_eth_packet_info(mbuf, (uint64_t)mbuf->buf_addr);
402 uint16_t dpaa_eth_queue_rx(void *q,
403 struct rte_mbuf **bufs,
406 struct qman_fq *fq = q;
407 struct qm_dqrr_entry *dq;
408 uint32_t num_rx = 0, ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid;
411 ret = rte_dpaa_portal_init((void *)0);
413 DPAA_PMD_ERR("Failure in affining portal");
417 ret = qman_set_vdq(fq, (nb_bufs > DPAA_MAX_DEQUEUE_NUM_FRAMES) ?
418 DPAA_MAX_DEQUEUE_NUM_FRAMES : nb_bufs);
423 dq = qman_dequeue(fq);
426 bufs[num_rx++] = dpaa_eth_fd_to_mbuf(&dq->fd, ifid);
427 qman_dqrr_consume(fq, dq);
428 } while (fq->flags & QMAN_FQ_STATE_VDQCR);
433 static void *dpaa_get_pktbuf(struct dpaa_bp_info *bp_info)
437 struct bm_buffer bufs;
439 ret = bman_acquire(bp_info->bp, &bufs, 1, 0);
441 DPAA_PMD_WARN("Failed to allocate buffers %d", ret);
445 DPAA_DP_LOG(DEBUG, "got buffer 0x%lx from pool %d",
446 (uint64_t)bufs.addr, bufs.bpid);
448 buf = (uint64_t)rte_dpaa_mem_ptov(bufs.addr) - bp_info->meta_data_size;
456 static struct rte_mbuf *dpaa_get_dmable_mbuf(struct rte_mbuf *mbuf,
457 struct dpaa_if *dpaa_intf)
459 struct rte_mbuf *dpaa_mbuf;
461 /* allocate pktbuffer on bpid for dpaa port */
462 dpaa_mbuf = dpaa_get_pktbuf(dpaa_intf->bp_info);
466 memcpy((uint8_t *)(dpaa_mbuf->buf_addr) + mbuf->data_off, (void *)
467 ((uint8_t *)(mbuf->buf_addr) + mbuf->data_off), mbuf->pkt_len);
469 /* Copy only the required fields */
470 dpaa_mbuf->data_off = mbuf->data_off;
471 dpaa_mbuf->pkt_len = mbuf->pkt_len;
472 dpaa_mbuf->ol_flags = mbuf->ol_flags;
473 dpaa_mbuf->packet_type = mbuf->packet_type;
474 dpaa_mbuf->tx_offload = mbuf->tx_offload;
475 rte_pktmbuf_free(mbuf);
480 dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
484 struct rte_mbuf *cur_seg = mbuf, *prev_seg = NULL;
485 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(bpid);
486 struct rte_mbuf *temp, *mi;
487 struct qm_sg_entry *sg_temp, *sgt;
490 DPAA_DP_LOG(DEBUG, "Creating SG FD to transmit");
492 temp = rte_pktmbuf_alloc(bp_info->mp);
494 DPAA_PMD_ERR("Failure in allocation of mbuf");
497 if (temp->buf_len < ((mbuf->nb_segs * sizeof(struct qm_sg_entry))
499 DPAA_PMD_ERR("Insufficient space in mbuf for SG entries");
506 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) {
507 if (temp->data_off < DEFAULT_TX_ICEOF
508 + sizeof(struct dpaa_eth_parse_results_t))
509 temp->data_off = DEFAULT_TX_ICEOF
510 + sizeof(struct dpaa_eth_parse_results_t);
511 dcbz_64(temp->buf_addr);
512 dpaa_checksum_offload(mbuf, fd, temp->buf_addr);
515 sgt = temp->buf_addr + temp->data_off;
516 fd->format = QM_FD_SG;
517 fd->addr = temp->buf_iova;
518 fd->offset = temp->data_off;
520 fd->length20 = mbuf->pkt_len;
522 while (i < DPAA_SGT_MAX_ENTRIES) {
526 sg_temp->addr = cur_seg->buf_iova;
527 sg_temp->offset = cur_seg->data_off;
528 sg_temp->length = cur_seg->data_len;
529 if (RTE_MBUF_DIRECT(cur_seg)) {
530 if (rte_mbuf_refcnt_read(cur_seg) > 1) {
531 /*If refcnt > 1, invalid bpid is set to ensure
532 * buffer is not freed by HW.
534 sg_temp->bpid = 0xff;
535 rte_mbuf_refcnt_update(cur_seg, -1);
538 DPAA_MEMPOOL_TO_BPID(cur_seg->pool);
540 cur_seg = cur_seg->next;
542 /* Get owner MBUF from indirect buffer */
543 mi = rte_mbuf_from_indirect(cur_seg);
544 if (rte_mbuf_refcnt_read(mi) > 1) {
545 /*If refcnt > 1, invalid bpid is set to ensure
546 * owner buffer is not freed by HW.
548 sg_temp->bpid = 0xff;
550 sg_temp->bpid = DPAA_MEMPOOL_TO_BPID(mi->pool);
551 rte_mbuf_refcnt_update(mi, 1);
554 cur_seg = cur_seg->next;
555 prev_seg->next = NULL;
556 rte_pktmbuf_free(prev_seg);
558 if (cur_seg == NULL) {
560 cpu_to_hw_sg(sg_temp);
563 cpu_to_hw_sg(sg_temp);
568 /* Handle mbufs which are not segmented (non SG) */
570 tx_on_dpaa_pool_unsegmented(struct rte_mbuf *mbuf,
571 struct dpaa_bp_info *bp_info,
572 struct qm_fd *fd_arr)
574 struct rte_mbuf *mi = NULL;
576 if (RTE_MBUF_DIRECT(mbuf)) {
577 if (rte_mbuf_refcnt_read(mbuf) > 1) {
578 /* In case of direct mbuf and mbuf being cloned,
579 * BMAN should _not_ release buffer.
581 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff);
582 /* Buffer should be releasd by EAL */
583 rte_mbuf_refcnt_update(mbuf, -1);
585 /* In case of direct mbuf and no cloning, mbuf can be
588 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid);
591 /* This is data-containing core mbuf: 'mi' */
592 mi = rte_mbuf_from_indirect(mbuf);
593 if (rte_mbuf_refcnt_read(mi) > 1) {
594 /* In case of indirect mbuf, and mbuf being cloned,
595 * BMAN should _not_ release it and let EAL release
596 * it through pktmbuf_free below.
598 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff);
600 /* In case of indirect mbuf, and no cloning, core mbuf
601 * should be released by BMAN.
602 * Increate refcnt of core mbuf so that when
603 * pktmbuf_free is called and mbuf is released, EAL
604 * doesn't try to release core mbuf which would have
605 * been released by BMAN.
607 rte_mbuf_refcnt_update(mi, 1);
608 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid);
610 rte_pktmbuf_free(mbuf);
613 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) {
614 if (mbuf->data_off < (DEFAULT_TX_ICEOF +
615 sizeof(struct dpaa_eth_parse_results_t))) {
616 DPAA_DP_LOG(DEBUG, "Checksum offload Err: "
617 "Not enough Headroom "
618 "space for correct Checksum offload."
619 "So Calculating checksum in Software.");
622 dpaa_checksum_offload(mbuf, fd_arr, mbuf->buf_addr);
627 /* Handle all mbufs on dpaa BMAN managed pool */
628 static inline uint16_t
629 tx_on_dpaa_pool(struct rte_mbuf *mbuf,
630 struct dpaa_bp_info *bp_info,
631 struct qm_fd *fd_arr)
633 DPAA_DP_LOG(DEBUG, "BMAN offloaded buffer, mbuf: %p", mbuf);
635 if (mbuf->nb_segs == 1) {
636 /* Case for non-segmented buffers */
637 tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr);
638 } else if (mbuf->nb_segs > 1 &&
639 mbuf->nb_segs <= DPAA_SGT_MAX_ENTRIES) {
640 if (dpaa_eth_mbuf_to_sg_fd(mbuf, fd_arr, bp_info->bpid)) {
641 DPAA_PMD_DEBUG("Unable to create Scatter Gather FD");
645 DPAA_PMD_DEBUG("Number of Segments not supported");
652 /* Handle all mbufs on an external pool (non-dpaa) */
653 static inline uint16_t
654 tx_on_external_pool(struct qman_fq *txq, struct rte_mbuf *mbuf,
655 struct qm_fd *fd_arr)
657 struct dpaa_if *dpaa_intf = txq->dpaa_intf;
658 struct rte_mbuf *dmable_mbuf;
660 DPAA_DP_LOG(DEBUG, "Non-BMAN offloaded buffer."
661 "Allocating an offloaded buffer");
662 dmable_mbuf = dpaa_get_dmable_mbuf(mbuf, dpaa_intf);
664 DPAA_DP_LOG(DEBUG, "no dpaa buffers.");
668 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, dpaa_intf->bp_info->bpid);
674 dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
676 struct rte_mbuf *mbuf, *mi = NULL;
677 struct rte_mempool *mp;
678 struct dpaa_bp_info *bp_info;
679 struct qm_fd fd_arr[MAX_TX_RING_SLOTS];
680 uint32_t frames_to_send, loop, i = 0;
684 ret = rte_dpaa_portal_init((void *)0);
686 DPAA_PMD_ERR("Failure in affining portal");
690 DPAA_DP_LOG(DEBUG, "Transmitting %d buffers on queue: %p", nb_bufs, q);
693 frames_to_send = (nb_bufs >> 3) ? MAX_TX_RING_SLOTS : nb_bufs;
694 for (loop = 0; loop < frames_to_send; loop++, i++) {
696 if (RTE_MBUF_DIRECT(mbuf)) {
699 mi = rte_mbuf_from_indirect(mbuf);
703 bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
704 if (likely(mp->ops_index == bp_info->dpaa_ops_index)) {
705 state = tx_on_dpaa_pool(mbuf, bp_info,
707 if (unlikely(state)) {
708 /* Set frames_to_send & nb_bufs so
709 * that packets are transmitted till
712 frames_to_send = loop;
717 state = tx_on_external_pool(q, mbuf,
719 if (unlikely(state)) {
720 /* Set frames_to_send & nb_bufs so
721 * that packets are transmitted till
724 frames_to_send = loop;
733 while (loop < frames_to_send) {
734 loop += qman_enqueue_multi(q, &fd_arr[loop],
735 frames_to_send - loop);
737 nb_bufs -= frames_to_send;
740 DPAA_DP_LOG(DEBUG, "Transmitted %d buffers on queue: %p", i, q);
745 uint16_t dpaa_eth_tx_drop_all(void *q __rte_unused,
746 struct rte_mbuf **bufs __rte_unused,
747 uint16_t nb_bufs __rte_unused)
749 DPAA_DP_LOG(DEBUG, "Drop all packets");
751 /* Drop all incoming packets. No need to free packets here
752 * because the rte_eth f/w frees up the packets through tx_buffer
753 * callback in case this functions returns count less than nb_bufs