1 /* SPDX-License-Identifier: BSD-3-Clause 2 * 3 * Copyright 2016 Freescale Semiconductor, Inc. All rights reserved. 4 * Copyright 2017,2019-2021 NXP 5 * 6 */ 7 8 /* System headers */ 9 #include <inttypes.h> 10 #include <unistd.h> 11 #include <stdio.h> 12 #include <limits.h> 13 #include <sched.h> 14 #include <pthread.h> 15 16 #include <rte_byteorder.h> 17 #include <rte_common.h> 18 #include <rte_interrupts.h> 19 #include <rte_log.h> 20 #include <rte_debug.h> 21 #include <rte_pci.h> 22 #include <rte_atomic.h> 23 #include <rte_branch_prediction.h> 24 #include <rte_memory.h> 25 #include <rte_tailq.h> 26 #include <rte_eal.h> 27 #include <rte_alarm.h> 28 #include <rte_ether.h> 29 #include <ethdev_driver.h> 30 #include <rte_malloc.h> 31 #include <rte_ring.h> 32 #include <rte_ip.h> 33 #include <rte_tcp.h> 34 #include <rte_udp.h> 35 #include <rte_net.h> 36 #include <rte_eventdev.h> 37 38 #include "dpaa_ethdev.h" 39 #include "dpaa_rxtx.h" 40 #include <bus_dpaa_driver.h> 41 #include <dpaa_mempool.h> 42 43 #include <qman.h> 44 #include <fsl_usd.h> 45 #include <fsl_qman.h> 46 #include <fsl_bman.h> 47 #include <dpaa_of.h> 48 #include <netcfg.h> 49 50 #define DPAA_MBUF_TO_CONTIG_FD(_mbuf, _fd, _bpid) \ 51 do { \ 52 (_fd)->cmd = 0; \ 53 (_fd)->opaque_addr = 0; \ 54 (_fd)->opaque = QM_FD_CONTIG << DPAA_FD_FORMAT_SHIFT; \ 55 (_fd)->opaque |= ((_mbuf)->data_off) << DPAA_FD_OFFSET_SHIFT; \ 56 (_fd)->opaque |= (_mbuf)->pkt_len; \ 57 (_fd)->addr = (_mbuf)->buf_iova; \ 58 (_fd)->bpid = _bpid; \ 59 } while (0) 60 61 #ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER 62 #define DISPLAY_PRINT printf 63 static void dpaa_display_frame_info(const struct qm_fd *fd, 64 uint32_t fqid, bool rx) 65 { 66 int ii; 67 char *ptr; 68 struct annotations_t *annot = rte_dpaa_mem_ptov(fd->addr); 69 uint8_t format; 70 71 if (!fd->status) { 72 /* Do not display correct packets.*/ 73 return; 74 } 75 76 format = (fd->opaque & DPAA_FD_FORMAT_MASK) >> 77 DPAA_FD_FORMAT_SHIFT; 78 79 DISPLAY_PRINT("fqid %d bpid %d addr 0x%lx, format %d\r\n", 80 fqid, fd->bpid, (unsigned long)fd->addr, fd->format); 81 DISPLAY_PRINT("off %d, len %d stat 0x%x\r\n", 82 fd->offset, fd->length20, fd->status); 83 if (rx) { 84 ptr = (char *)&annot->parse; 85 DISPLAY_PRINT("RX parser result:\r\n"); 86 for (ii = 0; ii < (int)sizeof(struct dpaa_eth_parse_results_t); 87 ii++) { 88 DISPLAY_PRINT("%02x ", ptr[ii]); 89 if (((ii + 1) % 16) == 0) 90 DISPLAY_PRINT("\n"); 91 } 92 DISPLAY_PRINT("\n"); 93 } 94 95 if (unlikely(format == qm_fd_sg)) { 96 /*TBD:S/G display: to be implemented*/ 97 return; 98 } 99 100 DISPLAY_PRINT("Frame payload:\r\n"); 101 ptr = (char *)annot; 102 ptr += fd->offset; 103 for (ii = 0; ii < fd->length20; ii++) { 104 DISPLAY_PRINT("%02x ", ptr[ii]); 105 if (((ii + 1) % 16) == 0) 106 printf("\n"); 107 } 108 DISPLAY_PRINT("\n"); 109 } 110 #else 111 #define dpaa_display_frame_info(a, b, c) 112 #endif 113 114 static inline void dpaa_slow_parsing(struct rte_mbuf *m __rte_unused, 115 uint64_t prs __rte_unused) 116 { 117 DPAA_DP_LOG(DEBUG, "Slow parsing"); 118 /*TBD:XXX: to be implemented*/ 119 } 120 121 static inline void dpaa_eth_packet_info(struct rte_mbuf *m, void *fd_virt_addr) 122 { 123 struct annotations_t *annot = GET_ANNOTATIONS(fd_virt_addr); 124 uint64_t prs = *((uintptr_t *)(&annot->parse)) & DPAA_PARSE_MASK; 125 126 DPAA_DP_LOG(DEBUG, " Parsing mbuf: %p with annotations: %p", m, annot); 127 128 m->ol_flags = RTE_MBUF_F_RX_RSS_HASH | RTE_MBUF_F_RX_IP_CKSUM_GOOD | 129 RTE_MBUF_F_RX_L4_CKSUM_GOOD; 130 131 switch (prs) { 132 case DPAA_PKT_TYPE_IPV4: 133 m->packet_type = RTE_PTYPE_L2_ETHER | 134 RTE_PTYPE_L3_IPV4; 135 break; 136 case DPAA_PKT_TYPE_IPV6: 137 m->packet_type = RTE_PTYPE_L2_ETHER | 138 RTE_PTYPE_L3_IPV6; 139 break; 140 case DPAA_PKT_TYPE_ETHER: 141 m->packet_type = RTE_PTYPE_L2_ETHER; 142 break; 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; 149 break; 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; 156 break; 157 case DPAA_PKT_TYPE_IPV4_EXT: 158 m->packet_type = RTE_PTYPE_L2_ETHER | 159 RTE_PTYPE_L3_IPV4_EXT; 160 break; 161 case DPAA_PKT_TYPE_IPV6_EXT: 162 m->packet_type = RTE_PTYPE_L2_ETHER | 163 RTE_PTYPE_L3_IPV6_EXT; 164 break; 165 case DPAA_PKT_TYPE_IPV4_TCP: 166 m->packet_type = RTE_PTYPE_L2_ETHER | 167 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_TCP; 168 break; 169 case DPAA_PKT_TYPE_IPV6_TCP: 170 m->packet_type = RTE_PTYPE_L2_ETHER | 171 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP; 172 break; 173 case DPAA_PKT_TYPE_IPV4_UDP: 174 m->packet_type = RTE_PTYPE_L2_ETHER | 175 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_UDP; 176 break; 177 case DPAA_PKT_TYPE_IPV6_UDP: 178 m->packet_type = RTE_PTYPE_L2_ETHER | 179 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP; 180 break; 181 case DPAA_PKT_TYPE_IPSEC_IPV4: 182 if (*((uintptr_t *)&annot->parse) & DPAA_PARSE_ESP_MASK) 183 m->packet_type = RTE_PTYPE_L2_ETHER | 184 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_TUNNEL_ESP; 185 break; 186 case DPAA_PKT_TYPE_IPSEC_IPV6: 187 if (*((uintptr_t *)&annot->parse) & DPAA_PARSE_ESP_MASK) 188 m->packet_type = RTE_PTYPE_L2_ETHER | 189 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_TUNNEL_ESP; 190 break; 191 case DPAA_PKT_TYPE_IPV4_EXT_UDP: 192 m->packet_type = RTE_PTYPE_L2_ETHER | 193 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_UDP; 194 break; 195 case DPAA_PKT_TYPE_IPV6_EXT_UDP: 196 m->packet_type = RTE_PTYPE_L2_ETHER | 197 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_UDP; 198 break; 199 case DPAA_PKT_TYPE_IPV4_EXT_TCP: 200 m->packet_type = RTE_PTYPE_L2_ETHER | 201 RTE_PTYPE_L3_IPV4_EXT | RTE_PTYPE_L4_TCP; 202 break; 203 case DPAA_PKT_TYPE_IPV6_EXT_TCP: 204 m->packet_type = RTE_PTYPE_L2_ETHER | 205 RTE_PTYPE_L3_IPV6_EXT | RTE_PTYPE_L4_TCP; 206 break; 207 case DPAA_PKT_TYPE_IPV4_SCTP: 208 m->packet_type = RTE_PTYPE_L2_ETHER | 209 RTE_PTYPE_L3_IPV4 | RTE_PTYPE_L4_SCTP; 210 break; 211 case DPAA_PKT_TYPE_IPV6_SCTP: 212 m->packet_type = RTE_PTYPE_L2_ETHER | 213 RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_SCTP; 214 break; 215 case DPAA_PKT_TYPE_IPV4_CSUM_ERR: 216 case DPAA_PKT_TYPE_IPV6_CSUM_ERR: 217 m->ol_flags = RTE_MBUF_F_RX_RSS_HASH | RTE_MBUF_F_RX_IP_CKSUM_BAD; 218 break; 219 case DPAA_PKT_TYPE_IPV4_TCP_CSUM_ERR: 220 case DPAA_PKT_TYPE_IPV6_TCP_CSUM_ERR: 221 case DPAA_PKT_TYPE_IPV4_UDP_CSUM_ERR: 222 case DPAA_PKT_TYPE_IPV6_UDP_CSUM_ERR: 223 m->ol_flags = RTE_MBUF_F_RX_RSS_HASH | RTE_MBUF_F_RX_L4_CKSUM_BAD; 224 break; 225 case DPAA_PKT_TYPE_NONE: 226 m->packet_type = 0; 227 break; 228 /* More switch cases can be added */ 229 default: 230 dpaa_slow_parsing(m, prs); 231 } 232 233 m->tx_offload = annot->parse.ip_off[0]; 234 m->tx_offload |= (annot->parse.l4_off - annot->parse.ip_off[0]) 235 << DPAA_PKT_L3_LEN_SHIFT; 236 237 /* Set the hash values */ 238 m->hash.rss = (uint32_t)(annot->hash); 239 240 /* Check if Vlan is present */ 241 if (prs & DPAA_PARSE_VLAN_MASK) 242 m->ol_flags |= RTE_MBUF_F_RX_VLAN; 243 /* Packet received without stripping the vlan */ 244 } 245 246 static inline void dpaa_checksum(struct rte_mbuf *mbuf) 247 { 248 struct rte_ether_hdr *eth_hdr = 249 rte_pktmbuf_mtod(mbuf, struct rte_ether_hdr *); 250 char *l3_hdr = (char *)eth_hdr + mbuf->l2_len; 251 struct rte_ipv4_hdr *ipv4_hdr = (struct rte_ipv4_hdr *)l3_hdr; 252 struct rte_ipv6_hdr *ipv6_hdr = (struct rte_ipv6_hdr *)l3_hdr; 253 254 DPAA_DP_LOG(DEBUG, "Calculating checksum for mbuf: %p", mbuf); 255 256 if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_IPV4) || 257 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) == 258 RTE_PTYPE_L3_IPV4_EXT)) { 259 ipv4_hdr = (struct rte_ipv4_hdr *)l3_hdr; 260 ipv4_hdr->hdr_checksum = 0; 261 ipv4_hdr->hdr_checksum = rte_ipv4_cksum(ipv4_hdr); 262 } else if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == 263 RTE_PTYPE_L3_IPV6) || 264 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) == 265 RTE_PTYPE_L3_IPV6_EXT)) 266 ipv6_hdr = (struct rte_ipv6_hdr *)l3_hdr; 267 268 if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_TCP) { 269 struct rte_tcp_hdr *tcp_hdr = (struct rte_tcp_hdr *)(l3_hdr + 270 mbuf->l3_len); 271 tcp_hdr->cksum = 0; 272 if (eth_hdr->ether_type == htons(RTE_ETHER_TYPE_IPV4)) 273 tcp_hdr->cksum = rte_ipv4_udptcp_cksum(ipv4_hdr, 274 tcp_hdr); 275 else /* assume ethertype == RTE_ETHER_TYPE_IPV6 */ 276 tcp_hdr->cksum = rte_ipv6_udptcp_cksum(ipv6_hdr, 277 tcp_hdr); 278 } else if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == 279 RTE_PTYPE_L4_UDP) { 280 struct rte_udp_hdr *udp_hdr = (struct rte_udp_hdr *)(l3_hdr + 281 mbuf->l3_len); 282 udp_hdr->dgram_cksum = 0; 283 if (eth_hdr->ether_type == htons(RTE_ETHER_TYPE_IPV4)) 284 udp_hdr->dgram_cksum = rte_ipv4_udptcp_cksum(ipv4_hdr, 285 udp_hdr); 286 else /* assume ethertype == RTE_ETHER_TYPE_IPV6 */ 287 udp_hdr->dgram_cksum = rte_ipv6_udptcp_cksum(ipv6_hdr, 288 udp_hdr); 289 } 290 } 291 292 static inline void dpaa_checksum_offload(struct rte_mbuf *mbuf, 293 struct qm_fd *fd, char *prs_buf) 294 { 295 struct dpaa_eth_parse_results_t *prs; 296 297 DPAA_DP_LOG(DEBUG, " Offloading checksum for mbuf: %p", mbuf); 298 299 prs = GET_TX_PRS(prs_buf); 300 prs->l3r = 0; 301 prs->l4r = 0; 302 if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_IPV4) || 303 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) == 304 RTE_PTYPE_L3_IPV4_EXT)) 305 prs->l3r = DPAA_L3_PARSE_RESULT_IPV4; 306 else if (((mbuf->packet_type & RTE_PTYPE_L3_MASK) == 307 RTE_PTYPE_L3_IPV6) || 308 ((mbuf->packet_type & RTE_PTYPE_L3_MASK) == 309 RTE_PTYPE_L3_IPV6_EXT)) 310 prs->l3r = DPAA_L3_PARSE_RESULT_IPV6; 311 312 if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_TCP) 313 prs->l4r = DPAA_L4_PARSE_RESULT_TCP; 314 else if ((mbuf->packet_type & RTE_PTYPE_L4_MASK) == RTE_PTYPE_L4_UDP) 315 prs->l4r = DPAA_L4_PARSE_RESULT_UDP; 316 317 prs->ip_off[0] = mbuf->l2_len; 318 prs->l4_off = mbuf->l3_len + mbuf->l2_len; 319 /* Enable L3 (and L4, if TCP or UDP) HW checksum*/ 320 fd->cmd = DPAA_FD_CMD_RPD | DPAA_FD_CMD_DTC; 321 } 322 323 static inline void 324 dpaa_unsegmented_checksum(struct rte_mbuf *mbuf, struct qm_fd *fd_arr) 325 { 326 if (!mbuf->packet_type) { 327 struct rte_net_hdr_lens hdr_lens; 328 329 mbuf->packet_type = rte_net_get_ptype(mbuf, &hdr_lens, 330 RTE_PTYPE_L2_MASK | RTE_PTYPE_L3_MASK 331 | RTE_PTYPE_L4_MASK); 332 mbuf->l2_len = hdr_lens.l2_len; 333 mbuf->l3_len = hdr_lens.l3_len; 334 } 335 if (mbuf->data_off < (DEFAULT_TX_ICEOF + 336 sizeof(struct dpaa_eth_parse_results_t))) { 337 DPAA_DP_LOG(DEBUG, "Checksum offload Err: " 338 "Not enough Headroom " 339 "space for correct Checksum offload." 340 "So Calculating checksum in Software."); 341 dpaa_checksum(mbuf); 342 } else { 343 dpaa_checksum_offload(mbuf, fd_arr, mbuf->buf_addr); 344 } 345 } 346 347 static struct rte_mbuf * 348 dpaa_eth_sg_to_mbuf(const struct qm_fd *fd, uint32_t ifid) 349 { 350 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid); 351 struct rte_mbuf *first_seg, *prev_seg, *cur_seg, *temp; 352 struct qm_sg_entry *sgt, *sg_temp; 353 void *vaddr, *sg_vaddr; 354 int i = 0; 355 uint16_t fd_offset = fd->offset; 356 357 vaddr = DPAA_MEMPOOL_PTOV(bp_info, qm_fd_addr(fd)); 358 if (!vaddr) { 359 DPAA_PMD_ERR("unable to convert physical address"); 360 return NULL; 361 } 362 sgt = vaddr + fd_offset; 363 sg_temp = &sgt[i++]; 364 hw_sg_to_cpu(sg_temp); 365 temp = (struct rte_mbuf *)((char *)vaddr - bp_info->meta_data_size); 366 sg_vaddr = DPAA_MEMPOOL_PTOV(bp_info, qm_sg_entry_get64(sg_temp)); 367 368 first_seg = (struct rte_mbuf *)((char *)sg_vaddr - 369 bp_info->meta_data_size); 370 first_seg->data_off = sg_temp->offset; 371 first_seg->data_len = sg_temp->length; 372 first_seg->pkt_len = sg_temp->length; 373 rte_mbuf_refcnt_set(first_seg, 1); 374 375 first_seg->port = ifid; 376 first_seg->nb_segs = 1; 377 first_seg->ol_flags = 0; 378 prev_seg = first_seg; 379 while (i < DPAA_SGT_MAX_ENTRIES) { 380 sg_temp = &sgt[i++]; 381 hw_sg_to_cpu(sg_temp); 382 sg_vaddr = DPAA_MEMPOOL_PTOV(bp_info, 383 qm_sg_entry_get64(sg_temp)); 384 cur_seg = (struct rte_mbuf *)((char *)sg_vaddr - 385 bp_info->meta_data_size); 386 cur_seg->data_off = sg_temp->offset; 387 cur_seg->data_len = sg_temp->length; 388 first_seg->pkt_len += sg_temp->length; 389 first_seg->nb_segs += 1; 390 rte_mbuf_refcnt_set(cur_seg, 1); 391 prev_seg->next = cur_seg; 392 if (sg_temp->final) { 393 cur_seg->next = NULL; 394 break; 395 } 396 prev_seg = cur_seg; 397 } 398 DPAA_DP_LOG(DEBUG, "Received an SG frame len =%d, num_sg =%d", 399 first_seg->pkt_len, first_seg->nb_segs); 400 401 dpaa_eth_packet_info(first_seg, vaddr); 402 rte_pktmbuf_free_seg(temp); 403 404 return first_seg; 405 } 406 407 static inline struct rte_mbuf * 408 dpaa_eth_fd_to_mbuf(const struct qm_fd *fd, uint32_t ifid) 409 { 410 struct rte_mbuf *mbuf; 411 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid); 412 void *ptr; 413 uint8_t format = 414 (fd->opaque & DPAA_FD_FORMAT_MASK) >> DPAA_FD_FORMAT_SHIFT; 415 uint16_t offset; 416 uint32_t length; 417 418 if (unlikely(format == qm_fd_sg)) 419 return dpaa_eth_sg_to_mbuf(fd, ifid); 420 421 offset = (fd->opaque & DPAA_FD_OFFSET_MASK) >> DPAA_FD_OFFSET_SHIFT; 422 length = fd->opaque & DPAA_FD_LENGTH_MASK; 423 424 DPAA_DP_LOG(DEBUG, " FD--->MBUF off %d len = %d", offset, length); 425 426 /* Ignoring case when format != qm_fd_contig */ 427 ptr = DPAA_MEMPOOL_PTOV(bp_info, qm_fd_addr(fd)); 428 429 mbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size); 430 /* Prefetch the Parse results and packet data to L1 */ 431 rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF)); 432 433 mbuf->data_off = offset; 434 mbuf->data_len = length; 435 mbuf->pkt_len = length; 436 437 mbuf->port = ifid; 438 mbuf->nb_segs = 1; 439 mbuf->ol_flags = 0; 440 mbuf->next = NULL; 441 rte_mbuf_refcnt_set(mbuf, 1); 442 dpaa_eth_packet_info(mbuf, mbuf->buf_addr); 443 444 return mbuf; 445 } 446 447 uint16_t 448 dpaa_free_mbuf(const struct qm_fd *fd) 449 { 450 struct rte_mbuf *mbuf; 451 struct dpaa_bp_info *bp_info; 452 uint8_t format; 453 void *ptr; 454 455 bp_info = DPAA_BPID_TO_POOL_INFO(fd->bpid); 456 format = (fd->opaque & DPAA_FD_FORMAT_MASK) >> DPAA_FD_FORMAT_SHIFT; 457 if (unlikely(format == qm_fd_sg)) { 458 struct rte_mbuf *first_seg, *prev_seg, *cur_seg, *temp; 459 struct qm_sg_entry *sgt, *sg_temp; 460 void *vaddr, *sg_vaddr; 461 int i = 0; 462 uint16_t fd_offset = fd->offset; 463 464 vaddr = DPAA_MEMPOOL_PTOV(bp_info, qm_fd_addr(fd)); 465 if (!vaddr) { 466 DPAA_PMD_ERR("unable to convert physical address"); 467 return -1; 468 } 469 sgt = vaddr + fd_offset; 470 sg_temp = &sgt[i++]; 471 hw_sg_to_cpu(sg_temp); 472 temp = (struct rte_mbuf *) 473 ((char *)vaddr - bp_info->meta_data_size); 474 sg_vaddr = DPAA_MEMPOOL_PTOV(bp_info, 475 qm_sg_entry_get64(sg_temp)); 476 477 first_seg = (struct rte_mbuf *)((char *)sg_vaddr - 478 bp_info->meta_data_size); 479 first_seg->nb_segs = 1; 480 prev_seg = first_seg; 481 while (i < DPAA_SGT_MAX_ENTRIES) { 482 sg_temp = &sgt[i++]; 483 hw_sg_to_cpu(sg_temp); 484 sg_vaddr = DPAA_MEMPOOL_PTOV(bp_info, 485 qm_sg_entry_get64(sg_temp)); 486 cur_seg = (struct rte_mbuf *)((char *)sg_vaddr - 487 bp_info->meta_data_size); 488 first_seg->nb_segs += 1; 489 prev_seg->next = cur_seg; 490 if (sg_temp->final) { 491 cur_seg->next = NULL; 492 break; 493 } 494 prev_seg = cur_seg; 495 } 496 497 rte_pktmbuf_free_seg(temp); 498 rte_pktmbuf_free_seg(first_seg); 499 return 0; 500 } 501 502 ptr = DPAA_MEMPOOL_PTOV(bp_info, qm_fd_addr(fd)); 503 mbuf = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size); 504 505 rte_pktmbuf_free(mbuf); 506 507 return 0; 508 } 509 510 /* Specific for LS1043 */ 511 void 512 dpaa_rx_cb_no_prefetch(struct qman_fq **fq, struct qm_dqrr_entry **dqrr, 513 void **bufs, int num_bufs) 514 { 515 struct rte_mbuf *mbuf; 516 struct dpaa_bp_info *bp_info; 517 const struct qm_fd *fd; 518 void *ptr; 519 struct dpaa_if *dpaa_intf; 520 uint16_t offset, i; 521 uint32_t length; 522 uint8_t format; 523 524 bp_info = DPAA_BPID_TO_POOL_INFO(dqrr[0]->fd.bpid); 525 ptr = rte_dpaa_mem_ptov(qm_fd_addr(&dqrr[0]->fd)); 526 rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF)); 527 bufs[0] = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size); 528 529 for (i = 0; i < num_bufs; i++) { 530 if (i < num_bufs - 1) { 531 bp_info = DPAA_BPID_TO_POOL_INFO(dqrr[i + 1]->fd.bpid); 532 ptr = rte_dpaa_mem_ptov(qm_fd_addr(&dqrr[i + 1]->fd)); 533 rte_prefetch0((void *)((uint8_t *)ptr + 534 DEFAULT_RX_ICEOF)); 535 bufs[i + 1] = (struct rte_mbuf *)((char *)ptr - 536 bp_info->meta_data_size); 537 } 538 539 fd = &dqrr[i]->fd; 540 dpaa_intf = fq[0]->dpaa_intf; 541 format = (fd->opaque & DPAA_FD_FORMAT_MASK) >> 542 DPAA_FD_FORMAT_SHIFT; 543 if (unlikely(format == qm_fd_sg)) { 544 bufs[i] = dpaa_eth_sg_to_mbuf(fd, dpaa_intf->ifid); 545 continue; 546 } 547 548 offset = (fd->opaque & DPAA_FD_OFFSET_MASK) >> 549 DPAA_FD_OFFSET_SHIFT; 550 length = fd->opaque & DPAA_FD_LENGTH_MASK; 551 552 mbuf = bufs[i]; 553 mbuf->data_off = offset; 554 mbuf->data_len = length; 555 mbuf->pkt_len = length; 556 mbuf->port = dpaa_intf->ifid; 557 558 mbuf->nb_segs = 1; 559 mbuf->ol_flags = 0; 560 mbuf->next = NULL; 561 rte_mbuf_refcnt_set(mbuf, 1); 562 dpaa_eth_packet_info(mbuf, mbuf->buf_addr); 563 dpaa_display_frame_info(fd, fq[0]->fqid, true); 564 } 565 } 566 567 void 568 dpaa_rx_cb(struct qman_fq **fq, struct qm_dqrr_entry **dqrr, 569 void **bufs, int num_bufs) 570 { 571 struct rte_mbuf *mbuf; 572 const struct qm_fd *fd; 573 struct dpaa_if *dpaa_intf; 574 uint16_t offset, i; 575 uint32_t length; 576 uint8_t format; 577 578 for (i = 0; i < num_bufs; i++) { 579 fd = &dqrr[i]->fd; 580 dpaa_intf = fq[0]->dpaa_intf; 581 format = (fd->opaque & DPAA_FD_FORMAT_MASK) >> 582 DPAA_FD_FORMAT_SHIFT; 583 if (unlikely(format == qm_fd_sg)) { 584 bufs[i] = dpaa_eth_sg_to_mbuf(fd, dpaa_intf->ifid); 585 continue; 586 } 587 588 offset = (fd->opaque & DPAA_FD_OFFSET_MASK) >> 589 DPAA_FD_OFFSET_SHIFT; 590 length = fd->opaque & DPAA_FD_LENGTH_MASK; 591 592 mbuf = bufs[i]; 593 mbuf->data_off = offset; 594 mbuf->data_len = length; 595 mbuf->pkt_len = length; 596 mbuf->port = dpaa_intf->ifid; 597 598 mbuf->nb_segs = 1; 599 mbuf->ol_flags = 0; 600 mbuf->next = NULL; 601 rte_mbuf_refcnt_set(mbuf, 1); 602 dpaa_eth_packet_info(mbuf, mbuf->buf_addr); 603 dpaa_display_frame_info(fd, fq[0]->fqid, true); 604 } 605 } 606 607 void dpaa_rx_cb_prepare(struct qm_dqrr_entry *dq, void **bufs) 608 { 609 struct dpaa_bp_info *bp_info = DPAA_BPID_TO_POOL_INFO(dq->fd.bpid); 610 void *ptr = rte_dpaa_mem_ptov(qm_fd_addr(&dq->fd)); 611 612 /* In case of LS1046, annotation stashing is disabled due to L2 cache 613 * being bottleneck in case of multicore scenario for this platform. 614 * So we prefetch the annotation beforehand, so that it is available 615 * in cache when accessed. 616 */ 617 rte_prefetch0((void *)((uint8_t *)ptr + DEFAULT_RX_ICEOF)); 618 619 *bufs = (struct rte_mbuf *)((char *)ptr - bp_info->meta_data_size); 620 } 621 622 static uint16_t 623 dpaa_eth_queue_portal_rx(struct qman_fq *fq, 624 struct rte_mbuf **bufs, 625 uint16_t nb_bufs) 626 { 627 int ret; 628 629 if (unlikely(!fq->qp_initialized)) { 630 ret = rte_dpaa_portal_fq_init((void *)0, fq); 631 if (ret) { 632 DPAA_PMD_ERR("Failure in affining portal %d", ret); 633 return 0; 634 } 635 fq->qp_initialized = 1; 636 } 637 638 return qman_portal_poll_rx(nb_bufs, (void **)bufs, fq->qp); 639 } 640 641 enum qman_cb_dqrr_result 642 dpaa_rx_cb_parallel(void *event, 643 struct qman_portal *qm __always_unused, 644 struct qman_fq *fq, 645 const struct qm_dqrr_entry *dqrr, 646 void **bufs) 647 { 648 u32 ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid; 649 struct rte_mbuf *mbuf; 650 struct rte_event *ev = (struct rte_event *)event; 651 652 mbuf = dpaa_eth_fd_to_mbuf(&dqrr->fd, ifid); 653 ev->event_ptr = (void *)mbuf; 654 ev->flow_id = fq->ev.flow_id; 655 ev->sub_event_type = fq->ev.sub_event_type; 656 ev->event_type = RTE_EVENT_TYPE_ETHDEV; 657 ev->op = RTE_EVENT_OP_NEW; 658 ev->sched_type = fq->ev.sched_type; 659 ev->queue_id = fq->ev.queue_id; 660 ev->priority = fq->ev.priority; 661 ev->impl_opaque = (uint8_t)DPAA_INVALID_MBUF_SEQN; 662 *dpaa_seqn(mbuf) = DPAA_INVALID_MBUF_SEQN; 663 *bufs = mbuf; 664 665 return qman_cb_dqrr_consume; 666 } 667 668 enum qman_cb_dqrr_result 669 dpaa_rx_cb_atomic(void *event, 670 struct qman_portal *qm __always_unused, 671 struct qman_fq *fq, 672 const struct qm_dqrr_entry *dqrr, 673 void **bufs) 674 { 675 u8 index; 676 u32 ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid; 677 struct rte_mbuf *mbuf; 678 struct rte_event *ev = (struct rte_event *)event; 679 680 mbuf = dpaa_eth_fd_to_mbuf(&dqrr->fd, ifid); 681 ev->event_ptr = (void *)mbuf; 682 ev->flow_id = fq->ev.flow_id; 683 ev->sub_event_type = fq->ev.sub_event_type; 684 ev->event_type = RTE_EVENT_TYPE_ETHDEV; 685 ev->op = RTE_EVENT_OP_NEW; 686 ev->sched_type = fq->ev.sched_type; 687 ev->queue_id = fq->ev.queue_id; 688 ev->priority = fq->ev.priority; 689 690 /* Save active dqrr entries */ 691 index = DQRR_PTR2IDX(dqrr); 692 DPAA_PER_LCORE_DQRR_SIZE++; 693 DPAA_PER_LCORE_DQRR_HELD |= 1 << index; 694 DPAA_PER_LCORE_DQRR_MBUF(index) = mbuf; 695 ev->impl_opaque = index + 1; 696 *dpaa_seqn(mbuf) = (uint32_t)index + 1; 697 *bufs = mbuf; 698 699 return qman_cb_dqrr_defer; 700 } 701 702 #ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER 703 static inline void dpaa_eth_err_queue(struct dpaa_if *dpaa_intf) 704 { 705 struct rte_mbuf *mbuf; 706 struct qman_fq *debug_fq; 707 int ret, i; 708 struct qm_dqrr_entry *dq; 709 struct qm_fd *fd; 710 711 if (unlikely(!RTE_PER_LCORE(dpaa_io))) { 712 ret = rte_dpaa_portal_init((void *)0); 713 if (ret) { 714 DPAA_PMD_ERR("Failure in affining portal"); 715 return; 716 } 717 } 718 for (i = 0; i <= DPAA_DEBUG_FQ_TX_ERROR; i++) { 719 debug_fq = &dpaa_intf->debug_queues[i]; 720 ret = qman_set_vdq(debug_fq, 4, QM_VDQCR_EXACT); 721 if (ret) 722 return; 723 724 do { 725 dq = qman_dequeue(debug_fq); 726 if (!dq) 727 continue; 728 fd = &dq->fd; 729 if (i == DPAA_DEBUG_FQ_RX_ERROR) 730 DPAA_PMD_ERR("RX ERROR status: 0x%08x", 731 fd->status); 732 else 733 DPAA_PMD_ERR("TX ERROR status: 0x%08x", 734 fd->status); 735 dpaa_display_frame_info(fd, debug_fq->fqid, 736 i == DPAA_DEBUG_FQ_RX_ERROR); 737 738 mbuf = dpaa_eth_fd_to_mbuf(fd, dpaa_intf->ifid); 739 rte_pktmbuf_free(mbuf); 740 qman_dqrr_consume(debug_fq, dq); 741 } while (debug_fq->flags & QMAN_FQ_STATE_VDQCR); 742 } 743 } 744 #endif 745 746 uint16_t dpaa_eth_queue_rx(void *q, 747 struct rte_mbuf **bufs, 748 uint16_t nb_bufs) 749 { 750 struct qman_fq *fq = q; 751 struct qm_dqrr_entry *dq; 752 uint32_t num_rx = 0, ifid = ((struct dpaa_if *)fq->dpaa_intf)->ifid; 753 int num_rx_bufs, ret; 754 uint32_t vdqcr_flags = 0; 755 756 if (unlikely(rte_dpaa_bpid_info == NULL && 757 rte_eal_process_type() == RTE_PROC_SECONDARY)) 758 rte_dpaa_bpid_info = fq->bp_array; 759 760 #ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER 761 if (fq->fqid == ((struct dpaa_if *)fq->dpaa_intf)->rx_queues[0].fqid) 762 dpaa_eth_err_queue((struct dpaa_if *)fq->dpaa_intf); 763 #endif 764 765 if (likely(fq->is_static)) 766 return dpaa_eth_queue_portal_rx(fq, bufs, nb_bufs); 767 768 if (unlikely(!DPAA_PER_LCORE_PORTAL)) { 769 ret = rte_dpaa_portal_init((void *)0); 770 if (ret) { 771 DPAA_PMD_ERR("Failure in affining portal"); 772 return 0; 773 } 774 } 775 776 /* Until request for four buffers, we provide exact number of buffers. 777 * Otherwise we do not set the QM_VDQCR_EXACT flag. 778 * Not setting QM_VDQCR_EXACT flag can provide two more buffers than 779 * requested, so we request two less in this case. 780 */ 781 if (nb_bufs < 4) { 782 vdqcr_flags = QM_VDQCR_EXACT; 783 num_rx_bufs = nb_bufs; 784 } else { 785 num_rx_bufs = nb_bufs > DPAA_MAX_DEQUEUE_NUM_FRAMES ? 786 (DPAA_MAX_DEQUEUE_NUM_FRAMES - 2) : (nb_bufs - 2); 787 } 788 ret = qman_set_vdq(fq, num_rx_bufs, vdqcr_flags); 789 if (ret) 790 return 0; 791 792 do { 793 dq = qman_dequeue(fq); 794 if (!dq) 795 continue; 796 bufs[num_rx++] = dpaa_eth_fd_to_mbuf(&dq->fd, ifid); 797 dpaa_display_frame_info(&dq->fd, fq->fqid, true); 798 qman_dqrr_consume(fq, dq); 799 } while (fq->flags & QMAN_FQ_STATE_VDQCR); 800 801 return num_rx; 802 } 803 804 static int 805 dpaa_eth_mbuf_to_sg_fd(struct rte_mbuf *mbuf, 806 struct qm_fd *fd) 807 { 808 struct rte_mbuf *cur_seg = mbuf, *prev_seg = NULL; 809 struct rte_mbuf *temp, *mi; 810 struct qm_sg_entry *sg_temp, *sgt; 811 int i = 0; 812 813 DPAA_DP_LOG(DEBUG, "Creating SG FD to transmit"); 814 815 temp = rte_pktmbuf_alloc(dpaa_tx_sg_pool); 816 if (!temp) { 817 DPAA_PMD_ERR("Failure in allocation of mbuf"); 818 return -1; 819 } 820 if (temp->buf_len < ((mbuf->nb_segs * sizeof(struct qm_sg_entry)) 821 + temp->data_off)) { 822 DPAA_PMD_ERR("Insufficient space in mbuf for SG entries"); 823 return -1; 824 } 825 826 fd->cmd = 0; 827 fd->opaque_addr = 0; 828 829 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) { 830 if (!mbuf->packet_type) { 831 struct rte_net_hdr_lens hdr_lens; 832 833 mbuf->packet_type = rte_net_get_ptype(mbuf, &hdr_lens, 834 RTE_PTYPE_L2_MASK | RTE_PTYPE_L3_MASK 835 | RTE_PTYPE_L4_MASK); 836 mbuf->l2_len = hdr_lens.l2_len; 837 mbuf->l3_len = hdr_lens.l3_len; 838 } 839 if (temp->data_off < DEFAULT_TX_ICEOF 840 + sizeof(struct dpaa_eth_parse_results_t)) 841 temp->data_off = DEFAULT_TX_ICEOF 842 + sizeof(struct dpaa_eth_parse_results_t); 843 dcbz_64(temp->buf_addr); 844 dpaa_checksum_offload(mbuf, fd, temp->buf_addr); 845 } 846 847 sgt = temp->buf_addr + temp->data_off; 848 fd->format = QM_FD_SG; 849 fd->addr = temp->buf_iova; 850 fd->offset = temp->data_off; 851 fd->bpid = DPAA_MEMPOOL_TO_BPID(dpaa_tx_sg_pool); 852 fd->length20 = mbuf->pkt_len; 853 854 while (i < DPAA_SGT_MAX_ENTRIES) { 855 sg_temp = &sgt[i++]; 856 sg_temp->opaque = 0; 857 sg_temp->val = 0; 858 sg_temp->addr = cur_seg->buf_iova; 859 sg_temp->offset = cur_seg->data_off; 860 sg_temp->length = cur_seg->data_len; 861 if (RTE_MBUF_DIRECT(cur_seg)) { 862 if (rte_mbuf_refcnt_read(cur_seg) > 1) { 863 /*If refcnt > 1, invalid bpid is set to ensure 864 * buffer is not freed by HW. 865 */ 866 sg_temp->bpid = 0xff; 867 rte_mbuf_refcnt_update(cur_seg, -1); 868 } else { 869 sg_temp->bpid = 870 DPAA_MEMPOOL_TO_BPID(cur_seg->pool); 871 } 872 cur_seg = cur_seg->next; 873 } else if (RTE_MBUF_HAS_EXTBUF(cur_seg)) { 874 sg_temp->bpid = 0xff; 875 cur_seg = cur_seg->next; 876 } else { 877 /* Get owner MBUF from indirect buffer */ 878 mi = rte_mbuf_from_indirect(cur_seg); 879 if (rte_mbuf_refcnt_read(mi) > 1) { 880 /*If refcnt > 1, invalid bpid is set to ensure 881 * owner buffer is not freed by HW. 882 */ 883 sg_temp->bpid = 0xff; 884 } else { 885 sg_temp->bpid = DPAA_MEMPOOL_TO_BPID(mi->pool); 886 rte_mbuf_refcnt_update(mi, 1); 887 } 888 prev_seg = cur_seg; 889 cur_seg = cur_seg->next; 890 prev_seg->next = NULL; 891 rte_pktmbuf_free(prev_seg); 892 } 893 if (cur_seg == NULL) { 894 sg_temp->final = 1; 895 cpu_to_hw_sg(sg_temp); 896 break; 897 } 898 cpu_to_hw_sg(sg_temp); 899 } 900 return 0; 901 } 902 903 /* Handle mbufs which are not segmented (non SG) */ 904 static inline void 905 tx_on_dpaa_pool_unsegmented(struct rte_mbuf *mbuf, 906 struct dpaa_bp_info *bp_info, 907 struct qm_fd *fd_arr) 908 { 909 struct rte_mbuf *mi = NULL; 910 911 if (RTE_MBUF_DIRECT(mbuf)) { 912 if (rte_mbuf_refcnt_read(mbuf) > 1) { 913 /* In case of direct mbuf and mbuf being cloned, 914 * BMAN should _not_ release buffer. 915 */ 916 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff); 917 /* Buffer should be releasd by EAL */ 918 rte_mbuf_refcnt_update(mbuf, -1); 919 } else { 920 /* In case of direct mbuf and no cloning, mbuf can be 921 * released by BMAN. 922 */ 923 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, bp_info->bpid); 924 } 925 } else if (RTE_MBUF_HAS_EXTBUF(mbuf)) { 926 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 927 bp_info ? bp_info->bpid : 0xff); 928 } else { 929 /* This is data-containing core mbuf: 'mi' */ 930 mi = rte_mbuf_from_indirect(mbuf); 931 if (rte_mbuf_refcnt_read(mi) > 1) { 932 /* In case of indirect mbuf, and mbuf being cloned, 933 * BMAN should _not_ release it and let EAL release 934 * it through pktmbuf_free below. 935 */ 936 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 0xff); 937 } else { 938 /* In case of indirect mbuf, and no cloning, core mbuf 939 * should be released by BMAN. 940 * Increate refcnt of core mbuf so that when 941 * pktmbuf_free is called and mbuf is released, EAL 942 * doesn't try to release core mbuf which would have 943 * been released by BMAN. 944 */ 945 rte_mbuf_refcnt_update(mi, 1); 946 DPAA_MBUF_TO_CONTIG_FD(mbuf, fd_arr, 947 bp_info ? bp_info->bpid : 0xff); 948 } 949 rte_pktmbuf_free(mbuf); 950 } 951 952 if (mbuf->ol_flags & DPAA_TX_CKSUM_OFFLOAD_MASK) 953 dpaa_unsegmented_checksum(mbuf, fd_arr); 954 } 955 956 /* Handle all mbufs on dpaa BMAN managed pool */ 957 static inline uint16_t 958 tx_on_dpaa_pool(struct rte_mbuf *mbuf, 959 struct dpaa_bp_info *bp_info, 960 struct qm_fd *fd_arr) 961 { 962 DPAA_DP_LOG(DEBUG, "BMAN offloaded buffer, mbuf: %p", mbuf); 963 964 if (mbuf->nb_segs == 1) { 965 /* Case for non-segmented buffers */ 966 tx_on_dpaa_pool_unsegmented(mbuf, bp_info, fd_arr); 967 } else if (mbuf->nb_segs > 1 && 968 mbuf->nb_segs <= DPAA_SGT_MAX_ENTRIES) { 969 if (dpaa_eth_mbuf_to_sg_fd(mbuf, fd_arr)) { 970 DPAA_PMD_DEBUG("Unable to create Scatter Gather FD"); 971 return 1; 972 } 973 } else { 974 DPAA_PMD_DEBUG("Number of Segments not supported"); 975 return 1; 976 } 977 978 return 0; 979 } 980 981 /* Handle all mbufs on an external pool (non-dpaa) */ 982 static inline struct rte_mbuf * 983 reallocate_mbuf(struct qman_fq *txq, struct rte_mbuf *mbuf) 984 { 985 struct dpaa_if *dpaa_intf = txq->dpaa_intf; 986 struct dpaa_bp_info *bp_info = dpaa_intf->bp_info; 987 struct rte_mbuf *new_mbufs[DPAA_SGT_MAX_ENTRIES + 1] = {0}; 988 struct rte_mbuf *temp_mbuf; 989 int num_new_segs, mbuf_greater, ret, extra_seg = 0, i = 0; 990 uint64_t mbufs_size, bytes_to_copy, offset1 = 0, offset2 = 0; 991 char *data; 992 993 DPAA_DP_LOG(DEBUG, "Reallocating transmit buffer"); 994 995 mbufs_size = bp_info->size - 996 bp_info->meta_data_size - RTE_PKTMBUF_HEADROOM; 997 extra_seg = !!(mbuf->pkt_len % mbufs_size); 998 num_new_segs = (mbuf->pkt_len / mbufs_size) + extra_seg; 999 1000 ret = rte_pktmbuf_alloc_bulk(bp_info->mp, new_mbufs, num_new_segs); 1001 if (ret != 0) { 1002 DPAA_DP_LOG(DEBUG, "Allocation for new buffers failed"); 1003 return NULL; 1004 } 1005 1006 temp_mbuf = mbuf; 1007 1008 while (temp_mbuf) { 1009 /* If mbuf data is less than new mbuf remaining memory */ 1010 if ((temp_mbuf->data_len - offset1) < (mbufs_size - offset2)) { 1011 bytes_to_copy = temp_mbuf->data_len - offset1; 1012 mbuf_greater = -1; 1013 /* If mbuf data is greater than new mbuf remaining memory */ 1014 } else if ((temp_mbuf->data_len - offset1) > 1015 (mbufs_size - offset2)) { 1016 bytes_to_copy = mbufs_size - offset2; 1017 mbuf_greater = 1; 1018 /* if mbuf data is equal to new mbuf remaining memory */ 1019 } else { 1020 bytes_to_copy = temp_mbuf->data_len - offset1; 1021 mbuf_greater = 0; 1022 } 1023 1024 /* Copy the data */ 1025 data = rte_pktmbuf_append(new_mbufs[0], bytes_to_copy); 1026 1027 rte_memcpy((uint8_t *)data, rte_pktmbuf_mtod_offset(mbuf, 1028 void *, offset1), bytes_to_copy); 1029 1030 /* Set new offsets and the temp buffers */ 1031 if (mbuf_greater == -1) { 1032 offset1 = 0; 1033 offset2 += bytes_to_copy; 1034 temp_mbuf = temp_mbuf->next; 1035 } else if (mbuf_greater == 1) { 1036 offset2 = 0; 1037 offset1 += bytes_to_copy; 1038 new_mbufs[i]->next = new_mbufs[i + 1]; 1039 new_mbufs[0]->nb_segs++; 1040 i++; 1041 } else { 1042 offset1 = 0; 1043 offset2 = 0; 1044 temp_mbuf = temp_mbuf->next; 1045 new_mbufs[i]->next = new_mbufs[i + 1]; 1046 if (new_mbufs[i + 1]) 1047 new_mbufs[0]->nb_segs++; 1048 i++; 1049 } 1050 } 1051 1052 /* Copy other required fields */ 1053 new_mbufs[0]->ol_flags = mbuf->ol_flags; 1054 new_mbufs[0]->packet_type = mbuf->packet_type; 1055 new_mbufs[0]->tx_offload = mbuf->tx_offload; 1056 1057 rte_pktmbuf_free(mbuf); 1058 1059 return new_mbufs[0]; 1060 } 1061 1062 uint16_t 1063 dpaa_eth_queue_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs) 1064 { 1065 struct rte_mbuf *mbuf, *mi = NULL; 1066 struct rte_mempool *mp; 1067 struct dpaa_bp_info *bp_info; 1068 struct qm_fd fd_arr[DPAA_TX_BURST_SIZE]; 1069 uint32_t frames_to_send, loop, sent = 0; 1070 uint16_t state; 1071 int ret, realloc_mbuf = 0; 1072 uint32_t seqn, index, flags[DPAA_TX_BURST_SIZE] = {0}; 1073 struct rte_mbuf **orig_bufs = bufs; 1074 1075 if (unlikely(!DPAA_PER_LCORE_PORTAL)) { 1076 ret = rte_dpaa_portal_init((void *)0); 1077 if (ret) { 1078 DPAA_PMD_ERR("Failure in affining portal"); 1079 return 0; 1080 } 1081 } 1082 1083 DPAA_DP_LOG(DEBUG, "Transmitting %d buffers on queue: %p", nb_bufs, q); 1084 1085 while (nb_bufs) { 1086 frames_to_send = (nb_bufs > DPAA_TX_BURST_SIZE) ? 1087 DPAA_TX_BURST_SIZE : nb_bufs; 1088 for (loop = 0; loop < frames_to_send; loop++) { 1089 mbuf = *(bufs++); 1090 /* In case the data offset is not multiple of 16, 1091 * FMAN can stall because of an errata. So reallocate 1092 * the buffer in such case. 1093 */ 1094 if (dpaa_svr_family == SVR_LS1043A_FAMILY && 1095 (mbuf->data_off & 0x7F) != 0x0) 1096 realloc_mbuf = 1; 1097 seqn = *dpaa_seqn(mbuf); 1098 if (seqn != DPAA_INVALID_MBUF_SEQN) { 1099 index = seqn - 1; 1100 if (DPAA_PER_LCORE_DQRR_HELD & (1 << index)) { 1101 flags[loop] = 1102 ((index & QM_EQCR_DCA_IDXMASK) << 8); 1103 flags[loop] |= QMAN_ENQUEUE_FLAG_DCA; 1104 DPAA_PER_LCORE_DQRR_SIZE--; 1105 DPAA_PER_LCORE_DQRR_HELD &= 1106 ~(1 << index); 1107 } 1108 } 1109 1110 if (likely(RTE_MBUF_DIRECT(mbuf))) { 1111 mp = mbuf->pool; 1112 bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp); 1113 if (likely(mp->ops_index == 1114 bp_info->dpaa_ops_index && 1115 mbuf->nb_segs == 1 && 1116 realloc_mbuf == 0 && 1117 rte_mbuf_refcnt_read(mbuf) == 1)) { 1118 DPAA_MBUF_TO_CONTIG_FD(mbuf, 1119 &fd_arr[loop], bp_info->bpid); 1120 if (mbuf->ol_flags & 1121 DPAA_TX_CKSUM_OFFLOAD_MASK) 1122 dpaa_unsegmented_checksum(mbuf, 1123 &fd_arr[loop]); 1124 continue; 1125 } 1126 } else { 1127 mi = rte_mbuf_from_indirect(mbuf); 1128 mp = mi->pool; 1129 } 1130 1131 if (unlikely(RTE_MBUF_HAS_EXTBUF(mbuf))) { 1132 bp_info = NULL; 1133 goto indirect_buf; 1134 } 1135 1136 bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp); 1137 if (unlikely(mp->ops_index != bp_info->dpaa_ops_index || 1138 realloc_mbuf == 1)) { 1139 struct rte_mbuf *temp_mbuf; 1140 1141 temp_mbuf = reallocate_mbuf(q, mbuf); 1142 if (!temp_mbuf) { 1143 /* Set frames_to_send & nb_bufs so 1144 * that packets are transmitted till 1145 * previous frame. 1146 */ 1147 frames_to_send = loop; 1148 nb_bufs = loop; 1149 goto send_pkts; 1150 } 1151 mbuf = temp_mbuf; 1152 realloc_mbuf = 0; 1153 } 1154 indirect_buf: 1155 state = tx_on_dpaa_pool(mbuf, bp_info, 1156 &fd_arr[loop]); 1157 if (unlikely(state)) { 1158 /* Set frames_to_send & nb_bufs so 1159 * that packets are transmitted till 1160 * previous frame. 1161 */ 1162 frames_to_send = loop; 1163 nb_bufs = loop; 1164 goto send_pkts; 1165 } 1166 } 1167 1168 send_pkts: 1169 loop = 0; 1170 while (loop < frames_to_send) { 1171 loop += qman_enqueue_multi(q, &fd_arr[loop], 1172 &flags[loop], 1173 frames_to_send - loop); 1174 } 1175 nb_bufs -= frames_to_send; 1176 sent += frames_to_send; 1177 } 1178 1179 DPAA_DP_LOG(DEBUG, "Transmitted %d buffers on queue: %p", sent, q); 1180 1181 1182 loop = 0; 1183 while (loop < sent) { 1184 if (unlikely(RTE_MBUF_HAS_EXTBUF(*orig_bufs))) 1185 rte_pktmbuf_free(*orig_bufs); 1186 orig_bufs++; 1187 loop++; 1188 } 1189 1190 return sent; 1191 } 1192 1193 uint16_t 1194 dpaa_eth_queue_tx_slow(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs) 1195 { 1196 qman_ern_poll_free(); 1197 1198 return dpaa_eth_queue_tx(q, bufs, nb_bufs); 1199 } 1200 1201 uint16_t dpaa_eth_tx_drop_all(void *q __rte_unused, 1202 struct rte_mbuf **bufs __rte_unused, 1203 uint16_t nb_bufs __rte_unused) 1204 { 1205 DPAA_DP_LOG(DEBUG, "Drop all packets"); 1206 1207 /* Drop all incoming packets. No need to free packets here 1208 * because the rte_eth f/w frees up the packets through tx_buffer 1209 * callback in case this functions returns count less than nb_bufs 1210 */ 1211 return 0; 1212 } 1213