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>
36 #include "dpaa_ethdev.h"
37 #include "dpaa_rxtx.h"
38 #include <rte_dpaa_bus.h>
39 #include <dpaa_mempool.h>
47 #define DPAA_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) \
50 (_fd)->opaque_addr = 0; \
51 (_fd)->opaque = QM_FD_CONTIG << DPAA_FD_FORMAT_SHIFT; \
52 (_fd)->opaque |= ((_mbuf)->data_off) << DPAA_FD_OFFSET_SHIFT; \
53 (_fd)->opaque |= (_mbuf)->pkt_len; \
54 (_fd)->addr = (_mbuf)->buf_iova; \
55 (_fd)->bpid = _bpid; \
58 #if (defined RTE_LIBRTE_DPAA_DEBUG_DRIVER)
59 void dpaa_display_frame(const struct qm_fd *fd)
64 printf("%s::bpid %x addr %08x%08x, format %d off %d, len %d stat %x\n",
65 __func__, fd->bpid, fd->addr_hi, fd->addr_lo, fd->format,
66 fd->offset, fd->length20, fd->status);
68 ptr = (char *)rte_dpaa_mem_ptov(fd->addr);
70 printf("%02x ", *ptr);
71 for (ii = 1; ii < fd->length20; ii++) {
72 printf("%02x ", *ptr);
80 #define dpaa_display_frame(a)
83 static inline void dpaa_slow_parsing(struct rte_mbuf *m __rte_unused,
84 uint64_t prs __rte_unused)
86 DPAA_DP_LOG(DEBUG, "Slow parsing");
87 /*TBD:XXX: to be implemented*/
90 static inline void dpaa_eth_packet_info(struct rte_mbuf *m,
91 uint64_t fd_virt_addr)
93 struct annotations_t *annot = GET_ANNOTATIONS(fd_virt_addr);
94 uint64_t prs = *((uint64_t *)(&annot->parse)) & DPAA_PARSE_MASK;
96 DPAA_DP_LOG(DEBUG, " Parsing mbuf: %p with annotations: %p", m, annot);
99 case DPAA_PKT_TYPE_NONE:
102 case DPAA_PKT_TYPE_ETHER:
103 m->packet_type = RTE_PTYPE_L2_ETHER;
105 case DPAA_PKT_TYPE_IPV4:
106 m->packet_type = RTE_PTYPE_L2_ETHER |
109 case DPAA_PKT_TYPE_IPV6:
110 m->packet_type = RTE_PTYPE_L2_ETHER |
113 case DPAA_PKT_TYPE_IPV4_FRAG:
114 case DPAA_PKT_TYPE_IPV4_FRAG_UDP:
115 case DPAA_PKT_TYPE_IPV4_FRAG_TCP:
116 case DPAA_PKT_TYPE_IPV4_FRAG_SCTP:
117 m->packet_type = RTE_PTYPE_L2_ETHER |
118 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_FRAG;
120 case DPAA_PKT_TYPE_IPV6_FRAG:
121 case DPAA_PKT_TYPE_IPV6_FRAG_UDP:
122 case DPAA_PKT_TYPE_IPV6_FRAG_TCP:
123 case DPAA_PKT_TYPE_IPV6_FRAG_SCTP:
124 m->packet_type = RTE_PTYPE_L2_ETHER |
125 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_FRAG;
127 case DPAA_PKT_TYPE_IPV4_EXT:
128 m->packet_type = RTE_PTYPE_L2_ETHER |
129 RTE_PTYPE_L3_IPV4_EXT;
131 case DPAA_PKT_TYPE_IPV6_EXT:
132 m->packet_type = RTE_PTYPE_L2_ETHER |
133 RTE_PTYPE_L3_IPV6_EXT;
135 case DPAA_PKT_TYPE_IPV4_TCP:
136 m->packet_type = RTE_PTYPE_L2_ETHER |
137 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP;
139 case DPAA_PKT_TYPE_IPV6_TCP:
140 m->packet_type = RTE_PTYPE_L2_ETHER |
141 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
143 case DPAA_PKT_TYPE_IPV4_UDP:
144 m->packet_type = RTE_PTYPE_L2_ETHER |
145 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP;
147 case DPAA_PKT_TYPE_IPV6_UDP:
148 m->packet_type = RTE_PTYPE_L2_ETHER |
149 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
151 case DPAA_PKT_TYPE_IPV4_EXT_UDP:
152 m->packet_type = RTE_PTYPE_L2_ETHER |
153 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_UDP;
155 case DPAA_PKT_TYPE_IPV6_EXT_UDP:
156 m->packet_type = RTE_PTYPE_L2_ETHER |
157 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_UDP;
159 case DPAA_PKT_TYPE_IPV4_EXT_TCP:
160 m->packet_type = RTE_PTYPE_L2_ETHER |
161 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_TCP;
163 case DPAA_PKT_TYPE_IPV6_EXT_TCP:
164 m->packet_type = RTE_PTYPE_L2_ETHER |
165 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_TCP;
167 case DPAA_PKT_TYPE_IPV4_SCTP:
168 m->packet_type = RTE_PTYPE_L2_ETHER |
169 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP;
171 case DPAA_PKT_TYPE_IPV6_SCTP:
172 m->packet_type = RTE_PTYPE_L2_ETHER |
173 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_SCTP;
175 /* More switch cases can be added */
177 dpaa_slow_parsing(m, prs);
180 m->tx_offload = annot->parse.ip_off[0];
181 m->tx_offload |= (annot->parse.l4_off - annot->parse.ip_off[0])
182 << DPAA_PKT_L3_LEN_SHIFT;
184 /* Set the hash values */
185 m->hash.rss = (uint32_t)(rte_be_to_cpu_64(annot->hash));
186 m->ol_flags = PKT_RX_RSS_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_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_eth_sg_to_mbuf(struct qm_fd *fd, uint32_t ifid)
277 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
278 struct rte_mbuf *first_seg, *prev_seg, *cur_seg, *temp;
279 struct qm_sg_entry *sgt, *sg_temp;
280 void *vaddr, *sg_vaddr;
282 uint8_t fd_offset = fd->offset;
284 DPAA_DP_LOG(DEBUG, "Received an SG frame");
286 vaddr = rte_dpaa_mem_ptov(qm_fd_addr(fd));
288 DPAA_PMD_ERR("unable to convert physical address");
291 sgt = vaddr + fd_offset;
293 hw_sg_to_cpu(sg_temp);
294 temp = (struct rte_mbuf *)((char *)vaddr - bp_info->meta_data_size);
295 sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp));
297 first_seg = (struct rte_mbuf *)((char *)sg_vaddr -
298 bp_info->meta_data_size);
299 first_seg->data_off = sg_temp->offset;
300 first_seg->data_len = sg_temp->length;
301 first_seg->pkt_len = sg_temp->length;
302 rte_mbuf_refcnt_set(first_seg, 1);
304 first_seg->port = ifid;
305 first_seg->nb_segs = 1;
306 first_seg->ol_flags = 0;
307 prev_seg = first_seg;
308 while (i < DPAA_SGT_MAX_ENTRIES) {
310 hw_sg_to_cpu(sg_temp);
311 sg_vaddr = rte_dpaa_mem_ptov(qm_sg_entry_get64(sg_temp));
312 cur_seg = (struct rte_mbuf *)((char *)sg_vaddr -
313 bp_info->meta_data_size);
314 cur_seg->data_off = sg_temp->offset;
315 cur_seg->data_len = sg_temp->length;
316 first_seg->pkt_len += sg_temp->length;
317 first_seg->nb_segs += 1;
318 rte_mbuf_refcnt_set(cur_seg, 1);
319 prev_seg->next = cur_seg;
320 if (sg_temp->final) {
321 cur_seg->next = NULL;
327 dpaa_eth_packet_info(first_seg, (uint64_t)vaddr);
328 rte_pktmbuf_free_seg(temp);
333 static inline struct rte_mbuf *dpaa_eth_fd_to_mbuf(struct qm_fd *fd,
336 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid);
337 struct rte_mbuf *mbuf;
340 (fd->opaque & DPAA_FD_FORMAT_MASK) >> DPAA_FD_FORMAT_SHIFT;
342 (fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT;
343 uint32_t length = fd->opaque & DPAA_FD_LENGTH_MASK;
345 DPAA_DP_LOG(DEBUG, " FD--->MBUF");
347 if (unlikely(format == qm_fd_sg))
348 return dpaa_eth_sg_to_mbuf(fd, ifid);
350 /* Ignoring case when format != qm_fd_contig */
351 dpaa_display_frame(fd);
352 ptr = rte_dpaa_mem_ptov(fd->addr);
353 /* Ignoring case when ptr would be NULL. That is only possible incase
354 * of a corrupted packet
357 mbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size);
358 /* Prefetch the Parse results and packet data to L1 */
359 rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF));
360 rte_prefetch0((void *)((uint8_t *)ptr + offset));
362 mbuf->data_off = offset;
363 mbuf->data_len = length;
364 mbuf->pkt_len = length;
370 rte_mbuf_refcnt_set(mbuf, 1);
371 dpaa_eth_packet_info(mbuf, (uint64_t)mbuf->buf_addr);
376 uint16_t dpaa_eth_queue_rx(void *q,
377 struct rte_mbuf **bufs,
380 struct qman_fq *fq = q;
381 struct qm_dqrr_entry *dq;
382 uint32_t num_rx = 0, ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid;
385 ret = rte_dpaa_portal_init((void *)0);
387 DPAA_PMD_ERR("Failure in affining portal");
391 ret = qman_set_vdq(fq, (nb_bufs > DPAA_MAX_DEQUEUE_NUM_FRAMES) ?
392 DPAA_MAX_DEQUEUE_NUM_FRAMES : nb_bufs);
397 dq = qman_dequeue(fq);
400 bufs[num_rx++] = dpaa_eth_fd_to_mbuf(&dq->fd, ifid);
401 qman_dqrr_consume(fq, dq);
402 } while (fq->flags & QMAN_FQ_STATE_VDQCR);
407 static void *dpaa_get_pktbuf(struct dpaa_bp_info *bp_info)
411 struct bm_buffer bufs;
413 ret = bman_acquire(bp_info->bp, &bufs, 1, 0);
415 DPAA_PMD_WARN("Failed to allocate buffers %d", ret);
419 DPAA_DP_LOG(DEBUG, "got buffer 0x%lx from pool %d",
420 (uint64_t)bufs.addr, bufs.bpid);
422 buf = (uint64_t)rte_dpaa_mem_ptov(bufs.addr) - bp_info->meta_data_size;
430 static struct rte_mbuf *dpaa_get_dmable_mbuf(struct rte_mbuf *mbuf,
431 struct dpaa_if *dpaa_intf)
433 struct rte_mbuf *dpaa_mbuf;
435 /* allocate pktbuffer on bpid for dpaa port */
436 dpaa_mbuf = dpaa_get_pktbuf(dpaa_intf->bp_info);
440 memcpy((uint8_t *)(dpaa_mbuf->buf_addr) + mbuf->data_off, (void *)
441 ((uint8_t *)(mbuf->buf_addr) + mbuf->data_off), mbuf->pkt_len);
443 /* Copy only the required fields */
444 dpaa_mbuf->data_off = mbuf->data_off;
445 dpaa_mbuf->pkt_len = mbuf->pkt_len;
446 dpaa_mbuf->ol_flags = mbuf->ol_flags;
447 dpaa_mbuf->packet_type = mbuf->packet_type;
448 dpaa_mbuf->tx_offload = mbuf->tx_offload;
449 rte_pktmbuf_free(mbuf);
454 dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf,
458 struct rte_mbuf *cur_seg = mbuf, *prev_seg = NULL;
459 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(bpid);
460 struct rte_mbuf *temp, *mi;
461 struct qm_sg_entry *sg_temp, *sgt;
464 DPAA_DP_LOG(DEBUG, "Creating SG FD to transmit");
466 temp = rte_pktmbuf_alloc(bp_info->mp);
468 DPAA_PMD_ERR("Failure in allocation of mbuf");
471 if (temp->buf_len < ((mbuf->nb_segs * sizeof(struct qm_sg_entry))
473 DPAA_PMD_ERR("Insufficient space in mbuf for SG entries");
480 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) {
481 if (temp->data_off < DEFAULT_TX_ICEOF
482 + sizeof(struct dpaa_eth_parse_results_t))
483 temp->data_off = DEFAULT_TX_ICEOF
484 + sizeof(struct dpaa_eth_parse_results_t);
485 dcbz_64(temp->buf_addr);
486 dpaa_checksum_offload(mbuf, fd, temp->buf_addr);
489 sgt = temp->buf_addr + temp->data_off;
490 fd->format = QM_FD_SG;
491 fd->addr = temp->buf_iova;
492 fd->offset = temp->data_off;
494 fd->length20 = mbuf->pkt_len;
496 while (i < DPAA_SGT_MAX_ENTRIES) {
500 sg_temp->addr = cur_seg->buf_iova;
501 sg_temp->offset = cur_seg->data_off;
502 sg_temp->length = cur_seg->data_len;
503 if (RTE_MBUF_DIRECT(cur_seg)) {
504 if (rte_mbuf_refcnt_read(cur_seg) > 1) {
505 /*If refcnt > 1, invalid bpid is set to ensure
506 * buffer is not freed by HW.
508 sg_temp->bpid = 0xff;
509 rte_mbuf_refcnt_update(cur_seg, -1);
512 DPAA_MEMPOOL_TO_BPID(cur_seg->pool);
514 cur_seg = cur_seg->next;
516 /* Get owner MBUF from indirect buffer */
517 mi = rte_mbuf_from_indirect(cur_seg);
518 if (rte_mbuf_refcnt_read(mi) > 1) {
519 /*If refcnt > 1, invalid bpid is set to ensure
520 * owner buffer is not freed by HW.
522 sg_temp->bpid = 0xff;
524 sg_temp->bpid = DPAA_MEMPOOL_TO_BPID(mi->pool);
525 rte_mbuf_refcnt_update(mi, 1);
528 cur_seg = cur_seg->next;
529 prev_seg->next = NULL;
530 rte_pktmbuf_free(prev_seg);
532 if (cur_seg == NULL) {
534 cpu_to_hw_sg(sg_temp);
537 cpu_to_hw_sg(sg_temp);
542 /* Handle mbufs which are not segmented (non SG) */
544 tx_on_dpaa_pool_unsegmented(struct rte_mbuf *mbuf,
545 struct dpaa_bp_info *bp_info,
546 struct qm_fd *fd_arr)
548 struct rte_mbuf *mi = NULL;
550 if (RTE_MBUF_DIRECT(mbuf)) {
551 if (rte_mbuf_refcnt_read(mbuf) > 1) {
552 /* In case of direct mbuf and mbuf being cloned,
553 * BMAN should _not_ release buffer.
555 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff);
556 /* Buffer should be releasd by EAL */
557 rte_mbuf_refcnt_update(mbuf, -1);
559 /* In case of direct mbuf and no cloning, mbuf can be
562 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid);
565 /* This is data-containing core mbuf: 'mi' */
566 mi = rte_mbuf_from_indirect(mbuf);
567 if (rte_mbuf_refcnt_read(mi) > 1) {
568 /* In case of indirect mbuf, and mbuf being cloned,
569 * BMAN should _not_ release it and let EAL release
570 * it through pktmbuf_free below.
572 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff);
574 /* In case of indirect mbuf, and no cloning, core mbuf
575 * should be released by BMAN.
576 * Increate refcnt of core mbuf so that when
577 * pktmbuf_free is called and mbuf is released, EAL
578 * doesn't try to release core mbuf which would have
579 * been released by BMAN.
581 rte_mbuf_refcnt_update(mi, 1);
582 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid);
584 rte_pktmbuf_free(mbuf);
587 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) {
588 if (mbuf->data_off < (DEFAULT_TX_ICEOF +
589 sizeof(struct dpaa_eth_parse_results_t))) {
590 DPAA_DP_LOG(DEBUG, "Checksum offload Err: "
591 "Not enough Headroom "
592 "space for correct Checksum offload."
593 "So Calculating checksum in Software.");
596 dpaa_checksum_offload(mbuf, fd_arr, mbuf->buf_addr);
601 /* Handle all mbufs on dpaa BMAN managed pool */
602 static inline uint16_t
603 tx_on_dpaa_pool(struct rte_mbuf *mbuf,
604 struct dpaa_bp_info *bp_info,
605 struct qm_fd *fd_arr)
607 DPAA_DP_LOG(DEBUG, "BMAN offloaded buffer, mbuf: %p", mbuf);
609 if (mbuf->nb_segs == 1) {
610 /* Case for non-segmented buffers */
611 tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr);
612 } else if (mbuf->nb_segs > 1 &&
613 mbuf->nb_segs <= DPAA_SGT_MAX_ENTRIES) {
614 if (dpaa_eth_mbuf_to_sg_fd(mbuf, fd_arr, bp_info->bpid)) {
615 DPAA_PMD_DEBUG("Unable to create Scatter Gather FD");
619 DPAA_PMD_DEBUG("Number of Segments not supported");
626 /* Handle all mbufs on an external pool (non-dpaa) */
627 static inline uint16_t
628 tx_on_external_pool(struct qman_fq *txq, struct rte_mbuf *mbuf,
629 struct qm_fd *fd_arr)
631 struct dpaa_if *dpaa_intf = txq->dpaa_intf;
632 struct rte_mbuf *dmable_mbuf;
634 DPAA_DP_LOG(DEBUG, "Non-BMAN offloaded buffer."
635 "Allocating an offloaded buffer");
636 dmable_mbuf = dpaa_get_dmable_mbuf(mbuf, dpaa_intf);
638 DPAA_DP_LOG(DEBUG, "no dpaa buffers.");
642 DPAA_MBUF_TO_CONTIG_FD(dmable_mbuf, fd_arr, dpaa_intf->bp_info->bpid);
648 dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
650 struct rte_mbuf *mbuf, *mi = NULL;
651 struct rte_mempool *mp;
652 struct dpaa_bp_info *bp_info;
653 struct qm_fd fd_arr[MAX_TX_RING_SLOTS];
654 uint32_t frames_to_send, loop, i = 0;
658 ret = rte_dpaa_portal_init((void *)0);
660 DPAA_PMD_ERR("Failure in affining portal");
664 DPAA_DP_LOG(DEBUG, "Transmitting %d buffers on queue: %p", nb_bufs, q);
667 frames_to_send = (nb_bufs >> 3) ? MAX_TX_RING_SLOTS : nb_bufs;
668 for (loop = 0; loop < frames_to_send; loop++, i++) {
670 if (RTE_MBUF_DIRECT(mbuf)) {
673 mi = rte_mbuf_from_indirect(mbuf);
677 bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
678 if (likely(mp->ops_index == bp_info->dpaa_ops_index)) {
679 state = tx_on_dpaa_pool(mbuf, bp_info,
681 if (unlikely(state)) {
682 /* Set frames_to_send & nb_bufs so
683 * that packets are transmitted till
686 frames_to_send = loop;
691 state = tx_on_external_pool(q, mbuf,
693 if (unlikely(state)) {
694 /* Set frames_to_send & nb_bufs so
695 * that packets are transmitted till
698 frames_to_send = loop;
707 while (loop < frames_to_send) {
708 loop += qman_enqueue_multi(q, &fd_arr[loop],
709 frames_to_send - loop);
711 nb_bufs -= frames_to_send;
714 DPAA_DP_LOG(DEBUG, "Transmitted %d buffers on queue: %p", i, q);
719 uint16_t dpaa_eth_tx_drop_all(void *q __rte_unused,
720 struct rte_mbuf **bufs __rte_unused,
721 uint16_t nb_bufs __rte_unused)
723 DPAA_DP_LOG(DEBUG, "Drop all packets");
725 /* Drop all incoming packets. No need to free packets here
726 * because the rte_eth f/w frees up the packets through tx_buffer
727 * callback in case this functions returns count less than nb_bufs