drivers/net/dpaa2/base/dpaa2_hw_dpni.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  *
   3  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
   4  *   Copyright 2016-2021 NXP
   5  *
   6  */
   7
   8 #include <time.h>
   9 #include <net/if.h>
  10
  11 #include <rte_mbuf.h>
  12 #include <ethdev_driver.h>
  13 #include <rte_malloc.h>
  14 #include <rte_memcpy.h>
  15 #include <rte_string_fns.h>
  16 #include <rte_cycles.h>
  17 #include <rte_kvargs.h>
  18 #include <rte_dev.h>
  19
  20 #include <dpaa2_pmd_logs.h>
  21 #include <dpaa2_hw_pvt.h>
  22 #include <dpaa2_hw_mempool.h>
  23
  24 #include "../dpaa2_ethdev.h"
  25
  26 int
  27 dpaa2_distset_to_dpkg_profile_cfg(
  28                 uint64_t req_dist_set,
  29                 struct dpkg_profile_cfg *kg_cfg);
  30
  31 int
  32 rte_pmd_dpaa2_set_custom_hash(uint16_t port_id,
  33                               uint16_t offset,
  34                               uint8_t size)
  35 {
  36         struct rte_eth_dev *eth_dev = &rte_eth_devices[port_id];
  37         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
  38         struct fsl_mc_io *dpni = priv->hw;
  39         struct dpni_rx_tc_dist_cfg tc_cfg;
  40         struct dpkg_profile_cfg kg_cfg;
  41         void *p_params;
  42         int ret, tc_index = 0;
  43
  44         if (!rte_eth_dev_is_valid_port(port_id)) {
  45                 DPAA2_PMD_WARN("Invalid port id %u", port_id);
  46                 return -EINVAL;
  47         }
  48
  49         if (strcmp(eth_dev->device->driver->name,
  50                         RTE_STR(NET_DPAA2_PMD_DRIVER_NAME))) {
  51                 DPAA2_PMD_WARN("Not a valid dpaa2 port");
  52                 return -EINVAL;
  53         }
  54
  55         p_params = rte_zmalloc(
  56                 NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
  57         if (!p_params) {
  58                 DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
  59                 return -ENOMEM;
  60         }
  61
  62         kg_cfg.extracts[0].type = DPKG_EXTRACT_FROM_DATA;
  63         kg_cfg.extracts[0].extract.from_data.offset = offset;
  64         kg_cfg.extracts[0].extract.from_data.size = size;
  65         kg_cfg.extracts[0].num_of_byte_masks = 0;
  66         kg_cfg.num_extracts = 1;
  67
  68         ret = dpkg_prepare_key_cfg(&kg_cfg, p_params);
  69         if (ret) {
  70                 DPAA2_PMD_ERR("Unable to prepare extract parameters");
  71                 rte_free(p_params);
  72                 return ret;
  73         }
  74
  75         memset(&tc_cfg, 0, sizeof(struct dpni_rx_tc_dist_cfg));
  76         tc_cfg.key_cfg_iova = (size_t)(DPAA2_VADDR_TO_IOVA(p_params));
  77         tc_cfg.dist_size = eth_dev->data->nb_rx_queues;
  78         tc_cfg.dist_mode = DPNI_DIST_MODE_HASH;
  79
  80         ret = dpni_set_rx_tc_dist(dpni, CMD_PRI_LOW, priv->token, tc_index,
  81                                   &tc_cfg);
  82         rte_free(p_params);
  83         if (ret) {
  84                 DPAA2_PMD_ERR(
  85                              "Setting distribution for Rx failed with err: %d",
  86                              ret);
  87                 return ret;
  88         }
  89
  90         return 0;
  91 }
  92
  93 int
  94 dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
  95         uint64_t req_dist_set, int tc_index)
  96 {
  97         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
  98         struct fsl_mc_io *dpni = priv->hw;
  99         struct dpni_rx_dist_cfg tc_cfg;
 100         struct dpkg_profile_cfg kg_cfg;
 101         void *p_params;
 102         int ret, tc_dist_queues;
 103
 104         /*TC distribution size is set with dist_queues or
 105          * nb_rx_queues % dist_queues in order of TC priority index.
 106          * Calculating dist size for this tc_index:-
 107          */
 108         tc_dist_queues = eth_dev->data->nb_rx_queues -
 109                 tc_index * priv->dist_queues;
 110         if (tc_dist_queues <= 0) {
 111                 DPAA2_PMD_INFO("No distribution on TC%d", tc_index);
 112                 return 0;
 113         }
 114
 115         if (tc_dist_queues > priv->dist_queues)
 116                 tc_dist_queues = priv->dist_queues;
 117
 118         p_params = rte_malloc(
 119                 NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
 120         if (!p_params) {
 121                 DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
 122                 return -ENOMEM;
 123         }
 124
 125         memset(p_params, 0, DIST_PARAM_IOVA_SIZE);
 126         memset(&tc_cfg, 0, sizeof(struct dpni_rx_dist_cfg));
 127
 128         ret = dpaa2_distset_to_dpkg_profile_cfg(req_dist_set, &kg_cfg);
 129         if (ret) {
 130                 DPAA2_PMD_ERR("Given RSS Hash (%" PRIx64 ") not supported",
 131                               req_dist_set);
 132                 rte_free(p_params);
 133                 return ret;
 134         }
 135
 136         tc_cfg.key_cfg_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(p_params));
 137         tc_cfg.dist_size = tc_dist_queues;
 138         tc_cfg.enable = true;
 139         tc_cfg.tc = tc_index;
 140
 141         ret = dpkg_prepare_key_cfg(&kg_cfg, p_params);
 142         if (ret) {
 143                 DPAA2_PMD_ERR("Unable to prepare extract parameters");
 144                 rte_free(p_params);
 145                 return ret;
 146         }
 147
 148         ret = dpni_set_rx_hash_dist(dpni, CMD_PRI_LOW, priv->token, &tc_cfg);
 149         rte_free(p_params);
 150         if (ret) {
 151                 DPAA2_PMD_ERR(
 152                              "Setting distribution for Rx failed with err: %d",
 153                              ret);
 154                 return ret;
 155         }
 156
 157         return 0;
 158 }
 159
 160 int dpaa2_remove_flow_dist(
 161         struct rte_eth_dev *eth_dev,
 162         uint8_t tc_index)
 163 {
 164         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 165         struct fsl_mc_io *dpni = priv->hw;
 166         struct dpni_rx_dist_cfg tc_cfg;
 167         struct dpkg_profile_cfg kg_cfg;
 168         void *p_params;
 169         int ret;
 170
 171         p_params = rte_malloc(
 172                 NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
 173         if (!p_params) {
 174                 DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
 175                 return -ENOMEM;
 176         }
 177
 178         memset(&tc_cfg, 0, sizeof(struct dpni_rx_dist_cfg));
 179         tc_cfg.dist_size = 0;
 180         tc_cfg.key_cfg_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(p_params));
 181         tc_cfg.enable = true;
 182         tc_cfg.tc = tc_index;
 183
 184         memset(p_params, 0, DIST_PARAM_IOVA_SIZE);
 185         kg_cfg.num_extracts = 0;
 186         ret = dpkg_prepare_key_cfg(&kg_cfg, p_params);
 187         if (ret) {
 188                 DPAA2_PMD_ERR("Unable to prepare extract parameters");
 189                 rte_free(p_params);
 190                 return ret;
 191         }
 192
 193         ret = dpni_set_rx_hash_dist(dpni, CMD_PRI_LOW, priv->token,
 194                         &tc_cfg);
 195         rte_free(p_params);
 196         if (ret)
 197                 DPAA2_PMD_ERR(
 198                              "Setting distribution for Rx failed with err: %d",
 199                              ret);
 200         return ret;
 201 }
 202
 203 int
 204 dpaa2_distset_to_dpkg_profile_cfg(
 205                 uint64_t req_dist_set,
 206                 struct dpkg_profile_cfg *kg_cfg)
 207 {
 208         uint32_t loop = 0, i = 0;
 209         uint64_t dist_field = 0;
 210         int l2_configured = 0, l3_configured = 0;
 211         int l4_configured = 0, sctp_configured = 0;
 212         int mpls_configured = 0;
 213         int vlan_configured = 0;
 214         int esp_configured = 0;
 215         int ah_configured = 0;
 216         int pppoe_configured = 0;
 217
 218         memset(kg_cfg, 0, sizeof(struct dpkg_profile_cfg));
 219         while (req_dist_set) {
 220                 if (req_dist_set % 2 != 0) {
 221                         dist_field = 1ULL << loop;
 222                         switch (dist_field) {
 223                         case ETH_RSS_L2_PAYLOAD:
 224                         case ETH_RSS_ETH:
 225
 226                                 if (l2_configured)
 227                                         break;
 228                                 l2_configured = 1;
 229
 230                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 231                                         NET_PROT_ETH;
 232                                 kg_cfg->extracts[i].extract.from_hdr.field =
 233                                         NH_FLD_ETH_TYPE;
 234                                 kg_cfg->extracts[i].type =
 235                                         DPKG_EXTRACT_FROM_HDR;
 236                                 kg_cfg->extracts[i].extract.from_hdr.type =
 237                                         DPKG_FULL_FIELD;
 238                                 i++;
 239                                 break;
 240
 241                         case ETH_RSS_PPPOE:
 242                                 if (pppoe_configured)
 243                                         break;
 244                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 245                                         NET_PROT_PPPOE;
 246                                 kg_cfg->extracts[i].extract.from_hdr.field =
 247                                         NH_FLD_PPPOE_SID;
 248                                 kg_cfg->extracts[i].type =
 249                                         DPKG_EXTRACT_FROM_HDR;
 250                                 kg_cfg->extracts[i].extract.from_hdr.type =
 251                                         DPKG_FULL_FIELD;
 252                                 i++;
 253                                 break;
 254
 255                         case ETH_RSS_ESP:
 256                                 if (esp_configured)
 257                                         break;
 258                                 esp_configured = 1;
 259
 260                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 261                                         NET_PROT_IPSEC_ESP;
 262                                 kg_cfg->extracts[i].extract.from_hdr.field =
 263                                         NH_FLD_IPSEC_ESP_SPI;
 264                                 kg_cfg->extracts[i].type =
 265                                         DPKG_EXTRACT_FROM_HDR;
 266                                 kg_cfg->extracts[i].extract.from_hdr.type =
 267                                         DPKG_FULL_FIELD;
 268                                 i++;
 269                                 break;
 270
 271                         case ETH_RSS_AH:
 272                                 if (ah_configured)
 273                                         break;
 274                                 ah_configured = 1;
 275
 276                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 277                                         NET_PROT_IPSEC_AH;
 278                                 kg_cfg->extracts[i].extract.from_hdr.field =
 279                                         NH_FLD_IPSEC_AH_SPI;
 280                                 kg_cfg->extracts[i].type =
 281                                         DPKG_EXTRACT_FROM_HDR;
 282                                 kg_cfg->extracts[i].extract.from_hdr.type =
 283                                         DPKG_FULL_FIELD;
 284                                 i++;
 285                                 break;
 286
 287                         case ETH_RSS_C_VLAN:
 288                         case ETH_RSS_S_VLAN:
 289                                 if (vlan_configured)
 290                                         break;
 291                                 vlan_configured = 1;
 292
 293                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 294                                         NET_PROT_VLAN;
 295                                 kg_cfg->extracts[i].extract.from_hdr.field =
 296                                         NH_FLD_VLAN_TCI;
 297                                 kg_cfg->extracts[i].type =
 298                                         DPKG_EXTRACT_FROM_HDR;
 299                                 kg_cfg->extracts[i].extract.from_hdr.type =
 300                                         DPKG_FULL_FIELD;
 301                                 i++;
 302                                 break;
 303
 304                         case ETH_RSS_MPLS:
 305
 306                                 if (mpls_configured)
 307                                         break;
 308                                 mpls_configured = 1;
 309
 310                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 311                                         NET_PROT_MPLS;
 312                                 kg_cfg->extracts[i].extract.from_hdr.field =
 313                                         NH_FLD_MPLS_MPLSL_1;
 314                                 kg_cfg->extracts[i].type =
 315                                         DPKG_EXTRACT_FROM_HDR;
 316                                 kg_cfg->extracts[i].extract.from_hdr.type =
 317                                         DPKG_FULL_FIELD;
 318                                 i++;
 319
 320                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 321                                         NET_PROT_MPLS;
 322                                 kg_cfg->extracts[i].extract.from_hdr.field =
 323                                         NH_FLD_MPLS_MPLSL_2;
 324                                 kg_cfg->extracts[i].type =
 325                                         DPKG_EXTRACT_FROM_HDR;
 326                                 kg_cfg->extracts[i].extract.from_hdr.type =
 327                                         DPKG_FULL_FIELD;
 328                                 i++;
 329
 330                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 331                                         NET_PROT_MPLS;
 332                                 kg_cfg->extracts[i].extract.from_hdr.field =
 333                                         NH_FLD_MPLS_MPLSL_N;
 334                                 kg_cfg->extracts[i].type =
 335                                         DPKG_EXTRACT_FROM_HDR;
 336                                 kg_cfg->extracts[i].extract.from_hdr.type =
 337                                         DPKG_FULL_FIELD;
 338                                 i++;
 339                                 break;
 340
 341                         case ETH_RSS_IPV4:
 342                         case ETH_RSS_FRAG_IPV4:
 343                         case ETH_RSS_NONFRAG_IPV4_OTHER:
 344                         case ETH_RSS_IPV6:
 345                         case ETH_RSS_FRAG_IPV6:
 346                         case ETH_RSS_NONFRAG_IPV6_OTHER:
 347                         case ETH_RSS_IPV6_EX:
 348
 349                                 if (l3_configured)
 350                                         break;
 351                                 l3_configured = 1;
 352
 353                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 354                                         NET_PROT_IP;
 355                                 kg_cfg->extracts[i].extract.from_hdr.field =
 356                                         NH_FLD_IP_SRC;
 357                                 kg_cfg->extracts[i].type =
 358                                         DPKG_EXTRACT_FROM_HDR;
 359                                 kg_cfg->extracts[i].extract.from_hdr.type =
 360                                         DPKG_FULL_FIELD;
 361                                 i++;
 362
 363                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 364                                         NET_PROT_IP;
 365                                 kg_cfg->extracts[i].extract.from_hdr.field =
 366                                         NH_FLD_IP_DST;
 367                                 kg_cfg->extracts[i].type =
 368                                         DPKG_EXTRACT_FROM_HDR;
 369                                 kg_cfg->extracts[i].extract.from_hdr.type =
 370                                         DPKG_FULL_FIELD;
 371                                 i++;
 372
 373                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 374                                         NET_PROT_IP;
 375                                 kg_cfg->extracts[i].extract.from_hdr.field =
 376                                         NH_FLD_IP_PROTO;
 377                                 kg_cfg->extracts[i].type =
 378                                         DPKG_EXTRACT_FROM_HDR;
 379                                 kg_cfg->extracts[i].extract.from_hdr.type =
 380                                         DPKG_FULL_FIELD;
 381                                 kg_cfg->num_extracts++;
 382                                 i++;
 383                         break;
 384
 385                         case ETH_RSS_NONFRAG_IPV4_TCP:
 386                         case ETH_RSS_NONFRAG_IPV6_TCP:
 387                         case ETH_RSS_NONFRAG_IPV4_UDP:
 388                         case ETH_RSS_NONFRAG_IPV6_UDP:
 389                         case ETH_RSS_IPV6_TCP_EX:
 390                         case ETH_RSS_IPV6_UDP_EX:
 391
 392                                 if (l4_configured)
 393                                         break;
 394                                 l4_configured = 1;
 395
 396                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 397                                         NET_PROT_TCP;
 398                                 kg_cfg->extracts[i].extract.from_hdr.field =
 399                                         NH_FLD_TCP_PORT_SRC;
 400                                 kg_cfg->extracts[i].type =
 401                                         DPKG_EXTRACT_FROM_HDR;
 402                                 kg_cfg->extracts[i].extract.from_hdr.type =
 403                                         DPKG_FULL_FIELD;
 404                                 i++;
 405
 406                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 407                                         NET_PROT_TCP;
 408                                 kg_cfg->extracts[i].extract.from_hdr.field =
 409                                         NH_FLD_TCP_PORT_SRC;
 410                                 kg_cfg->extracts[i].type =
 411                                         DPKG_EXTRACT_FROM_HDR;
 412                                 kg_cfg->extracts[i].extract.from_hdr.type =
 413                                         DPKG_FULL_FIELD;
 414                                 i++;
 415                                 break;
 416
 417                         case ETH_RSS_NONFRAG_IPV4_SCTP:
 418                         case ETH_RSS_NONFRAG_IPV6_SCTP:
 419
 420                                 if (sctp_configured)
 421                                         break;
 422                                 sctp_configured = 1;
 423
 424                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 425                                         NET_PROT_SCTP;
 426                                 kg_cfg->extracts[i].extract.from_hdr.field =
 427                                         NH_FLD_SCTP_PORT_SRC;
 428                                 kg_cfg->extracts[i].type =
 429                                         DPKG_EXTRACT_FROM_HDR;
 430                                 kg_cfg->extracts[i].extract.from_hdr.type =
 431                                         DPKG_FULL_FIELD;
 432                                 i++;
 433
 434                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 435                                         NET_PROT_SCTP;
 436                                 kg_cfg->extracts[i].extract.from_hdr.field =
 437                                         NH_FLD_SCTP_PORT_DST;
 438                                 kg_cfg->extracts[i].type =
 439                                         DPKG_EXTRACT_FROM_HDR;
 440                                 kg_cfg->extracts[i].extract.from_hdr.type =
 441                                         DPKG_FULL_FIELD;
 442                                 i++;
 443                                 break;
 444
 445                         default:
 446                                 DPAA2_PMD_WARN(
 447                                       "unsupported flow dist option 0x%" PRIx64,
 448                                              dist_field);
 449                                 return -EINVAL;
 450                         }
 451                 }
 452                 req_dist_set = req_dist_set >> 1;
 453                 loop++;
 454         }
 455         kg_cfg->num_extracts = i;
 456         return 0;
 457 }
 458
 459 int
 460 dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv,
 461                      void *blist)
 462 {
 463         /* Function to attach a DPNI with a buffer pool list. Buffer pool list
 464          * handle is passed in blist.
 465          */
 466         int32_t retcode;
 467         struct fsl_mc_io *dpni = priv->hw;
 468         struct dpni_pools_cfg bpool_cfg;
 469         struct dpaa2_bp_list *bp_list = (struct dpaa2_bp_list *)blist;
 470         struct dpni_buffer_layout layout;
 471         int tot_size;
 472
 473         /* ... rx buffer layout .
 474          * Check alignment for buffer layouts first
 475          */
 476
 477         /* ... rx buffer layout ... */
 478         tot_size = RTE_PKTMBUF_HEADROOM;
 479         tot_size = RTE_ALIGN_CEIL(tot_size, DPAA2_PACKET_LAYOUT_ALIGN);
 480
 481         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 482         layout.options = DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
 483                          DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
 484                          DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
 485                          DPNI_BUF_LAYOUT_OPT_DATA_ALIGN |
 486                          DPNI_BUF_LAYOUT_OPT_TIMESTAMP |
 487                          DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
 488
 489         layout.pass_timestamp = true;
 490         layout.pass_frame_status = 1;
 491         layout.private_data_size = DPAA2_FD_PTA_SIZE;
 492         layout.pass_parser_result = 1;
 493         layout.data_align = DPAA2_PACKET_LAYOUT_ALIGN;
 494         layout.data_head_room = tot_size - DPAA2_FD_PTA_SIZE -
 495                                 DPAA2_MBUF_HW_ANNOTATION;
 496         retcode = dpni_set_buffer_layout(dpni, CMD_PRI_LOW, priv->token,
 497                                          DPNI_QUEUE_RX, &layout);
 498         if (retcode) {
 499                 DPAA2_PMD_ERR("Error configuring buffer pool Rx layout (%d)",
 500                              retcode);
 501                 return retcode;
 502         }
 503
 504         /*Attach buffer pool to the network interface as described by the user*/
 505         memset(&bpool_cfg, 0, sizeof(struct dpni_pools_cfg));
 506         bpool_cfg.num_dpbp = 1;
 507         bpool_cfg.pools[0].dpbp_id = bp_list->buf_pool.dpbp_node->dpbp_id;
 508         bpool_cfg.pools[0].backup_pool = 0;
 509         bpool_cfg.pools[0].buffer_size = RTE_ALIGN_CEIL(bp_list->buf_pool.size,
 510                                                 DPAA2_PACKET_LAYOUT_ALIGN);
 511         bpool_cfg.pools[0].priority_mask = 0;
 512
 513         retcode = dpni_set_pools(dpni, CMD_PRI_LOW, priv->token, &bpool_cfg);
 514         if (retcode != 0) {
 515                 DPAA2_PMD_ERR("Error configuring buffer pool on interface."
 516                               " bpid = %d error code = %d",
 517                               bpool_cfg.pools[0].dpbp_id, retcode);
 518                 return retcode;
 519         }
 520
 521         priv->bp_list = bp_list;
 522         return 0;
 523 }