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
 214         memset(kg_cfg, 0, sizeof(struct dpkg_profile_cfg));
 215         while (req_dist_set) {
 216                 if (req_dist_set % 2 != 0) {
 217                         dist_field = 1ULL << loop;
 218                         switch (dist_field) {
 219                         case ETH_RSS_L2_PAYLOAD:
 220
 221                                 if (l2_configured)
 222                                         break;
 223                                 l2_configured = 1;
 224
 225                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 226                                         NET_PROT_ETH;
 227                                 kg_cfg->extracts[i].extract.from_hdr.field =
 228                                         NH_FLD_ETH_TYPE;
 229                                 kg_cfg->extracts[i].type =
 230                                         DPKG_EXTRACT_FROM_HDR;
 231                                 kg_cfg->extracts[i].extract.from_hdr.type =
 232                                         DPKG_FULL_FIELD;
 233                                 i++;
 234                         break;
 235
 236                         case ETH_RSS_MPLS:
 237
 238                                 if (mpls_configured)
 239                                         break;
 240                                 mpls_configured = 1;
 241
 242                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 243                                         NET_PROT_MPLS;
 244                                 kg_cfg->extracts[i].extract.from_hdr.field =
 245                                         NH_FLD_MPLS_MPLSL_1;
 246                                 kg_cfg->extracts[i].type =
 247                                         DPKG_EXTRACT_FROM_HDR;
 248                                 kg_cfg->extracts[i].extract.from_hdr.type =
 249                                         DPKG_FULL_FIELD;
 250                                 i++;
 251
 252                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 253                                         NET_PROT_MPLS;
 254                                 kg_cfg->extracts[i].extract.from_hdr.field =
 255                                         NH_FLD_MPLS_MPLSL_2;
 256                                 kg_cfg->extracts[i].type =
 257                                         DPKG_EXTRACT_FROM_HDR;
 258                                 kg_cfg->extracts[i].extract.from_hdr.type =
 259                                         DPKG_FULL_FIELD;
 260                                 i++;
 261
 262                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 263                                         NET_PROT_MPLS;
 264                                 kg_cfg->extracts[i].extract.from_hdr.field =
 265                                         NH_FLD_MPLS_MPLSL_N;
 266                                 kg_cfg->extracts[i].type =
 267                                         DPKG_EXTRACT_FROM_HDR;
 268                                 kg_cfg->extracts[i].extract.from_hdr.type =
 269                                         DPKG_FULL_FIELD;
 270                                 i++;
 271                                 break;
 272
 273                         case ETH_RSS_IPV4:
 274                         case ETH_RSS_FRAG_IPV4:
 275                         case ETH_RSS_NONFRAG_IPV4_OTHER:
 276                         case ETH_RSS_IPV6:
 277                         case ETH_RSS_FRAG_IPV6:
 278                         case ETH_RSS_NONFRAG_IPV6_OTHER:
 279                         case ETH_RSS_IPV6_EX:
 280
 281                                 if (l3_configured)
 282                                         break;
 283                                 l3_configured = 1;
 284
 285                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 286                                         NET_PROT_IP;
 287                                 kg_cfg->extracts[i].extract.from_hdr.field =
 288                                         NH_FLD_IP_SRC;
 289                                 kg_cfg->extracts[i].type =
 290                                         DPKG_EXTRACT_FROM_HDR;
 291                                 kg_cfg->extracts[i].extract.from_hdr.type =
 292                                         DPKG_FULL_FIELD;
 293                                 i++;
 294
 295                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 296                                         NET_PROT_IP;
 297                                 kg_cfg->extracts[i].extract.from_hdr.field =
 298                                         NH_FLD_IP_DST;
 299                                 kg_cfg->extracts[i].type =
 300                                         DPKG_EXTRACT_FROM_HDR;
 301                                 kg_cfg->extracts[i].extract.from_hdr.type =
 302                                         DPKG_FULL_FIELD;
 303                                 i++;
 304
 305                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 306                                         NET_PROT_IP;
 307                                 kg_cfg->extracts[i].extract.from_hdr.field =
 308                                         NH_FLD_IP_PROTO;
 309                                 kg_cfg->extracts[i].type =
 310                                         DPKG_EXTRACT_FROM_HDR;
 311                                 kg_cfg->extracts[i].extract.from_hdr.type =
 312                                         DPKG_FULL_FIELD;
 313                                 kg_cfg->num_extracts++;
 314                                 i++;
 315                         break;
 316
 317                         case ETH_RSS_NONFRAG_IPV4_TCP:
 318                         case ETH_RSS_NONFRAG_IPV6_TCP:
 319                         case ETH_RSS_NONFRAG_IPV4_UDP:
 320                         case ETH_RSS_NONFRAG_IPV6_UDP:
 321                         case ETH_RSS_IPV6_TCP_EX:
 322                         case ETH_RSS_IPV6_UDP_EX:
 323
 324                                 if (l4_configured)
 325                                         break;
 326                                 l4_configured = 1;
 327
 328                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 329                                         NET_PROT_TCP;
 330                                 kg_cfg->extracts[i].extract.from_hdr.field =
 331                                         NH_FLD_TCP_PORT_SRC;
 332                                 kg_cfg->extracts[i].type =
 333                                         DPKG_EXTRACT_FROM_HDR;
 334                                 kg_cfg->extracts[i].extract.from_hdr.type =
 335                                         DPKG_FULL_FIELD;
 336                                 i++;
 337
 338                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 339                                         NET_PROT_TCP;
 340                                 kg_cfg->extracts[i].extract.from_hdr.field =
 341                                         NH_FLD_TCP_PORT_SRC;
 342                                 kg_cfg->extracts[i].type =
 343                                         DPKG_EXTRACT_FROM_HDR;
 344                                 kg_cfg->extracts[i].extract.from_hdr.type =
 345                                         DPKG_FULL_FIELD;
 346                                 i++;
 347                                 break;
 348
 349                         case ETH_RSS_NONFRAG_IPV4_SCTP:
 350                         case ETH_RSS_NONFRAG_IPV6_SCTP:
 351
 352                                 if (sctp_configured)
 353                                         break;
 354                                 sctp_configured = 1;
 355
 356                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 357                                         NET_PROT_SCTP;
 358                                 kg_cfg->extracts[i].extract.from_hdr.field =
 359                                         NH_FLD_SCTP_PORT_SRC;
 360                                 kg_cfg->extracts[i].type =
 361                                         DPKG_EXTRACT_FROM_HDR;
 362                                 kg_cfg->extracts[i].extract.from_hdr.type =
 363                                         DPKG_FULL_FIELD;
 364                                 i++;
 365
 366                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 367                                         NET_PROT_SCTP;
 368                                 kg_cfg->extracts[i].extract.from_hdr.field =
 369                                         NH_FLD_SCTP_PORT_DST;
 370                                 kg_cfg->extracts[i].type =
 371                                         DPKG_EXTRACT_FROM_HDR;
 372                                 kg_cfg->extracts[i].extract.from_hdr.type =
 373                                         DPKG_FULL_FIELD;
 374                                 i++;
 375                                 break;
 376
 377                         default:
 378                                 DPAA2_PMD_WARN(
 379                                       "unsupported flow dist option 0x%" PRIx64,
 380                                              dist_field);
 381                                 return -EINVAL;
 382                         }
 383                 }
 384                 req_dist_set = req_dist_set >> 1;
 385                 loop++;
 386         }
 387         kg_cfg->num_extracts = i;
 388         return 0;
 389 }
 390
 391 int
 392 dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv,
 393                      void *blist)
 394 {
 395         /* Function to attach a DPNI with a buffer pool list. Buffer pool list
 396          * handle is passed in blist.
 397          */
 398         int32_t retcode;
 399         struct fsl_mc_io *dpni = priv->hw;
 400         struct dpni_pools_cfg bpool_cfg;
 401         struct dpaa2_bp_list *bp_list = (struct dpaa2_bp_list *)blist;
 402         struct dpni_buffer_layout layout;
 403         int tot_size;
 404
 405         /* ... rx buffer layout .
 406          * Check alignment for buffer layouts first
 407          */
 408
 409         /* ... rx buffer layout ... */
 410         tot_size = RTE_PKTMBUF_HEADROOM;
 411         tot_size = RTE_ALIGN_CEIL(tot_size, DPAA2_PACKET_LAYOUT_ALIGN);
 412
 413         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 414         layout.options = DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
 415                          DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
 416                          DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
 417                          DPNI_BUF_LAYOUT_OPT_DATA_ALIGN |
 418                          DPNI_BUF_LAYOUT_OPT_TIMESTAMP |
 419                          DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
 420
 421         layout.pass_timestamp = true;
 422         layout.pass_frame_status = 1;
 423         layout.private_data_size = DPAA2_FD_PTA_SIZE;
 424         layout.pass_parser_result = 1;
 425         layout.data_align = DPAA2_PACKET_LAYOUT_ALIGN;
 426         layout.data_head_room = tot_size - DPAA2_FD_PTA_SIZE -
 427                                 DPAA2_MBUF_HW_ANNOTATION;
 428         retcode = dpni_set_buffer_layout(dpni, CMD_PRI_LOW, priv->token,
 429                                          DPNI_QUEUE_RX, &layout);
 430         if (retcode) {
 431                 DPAA2_PMD_ERR("Error configuring buffer pool Rx layout (%d)",
 432                              retcode);
 433                 return retcode;
 434         }
 435
 436         /*Attach buffer pool to the network interface as described by the user*/
 437         memset(&bpool_cfg, 0, sizeof(struct dpni_pools_cfg));
 438         bpool_cfg.num_dpbp = 1;
 439         bpool_cfg.pools[0].dpbp_id = bp_list->buf_pool.dpbp_node->dpbp_id;
 440         bpool_cfg.pools[0].backup_pool = 0;
 441         bpool_cfg.pools[0].buffer_size = RTE_ALIGN_CEIL(bp_list->buf_pool.size,
 442                                                 DPAA2_PACKET_LAYOUT_ALIGN);
 443         bpool_cfg.pools[0].priority_mask = 0;
 444
 445         retcode = dpni_set_pools(dpni, CMD_PRI_LOW, priv->token, &bpool_cfg);
 446         if (retcode != 0) {
 447                 DPAA2_PMD_ERR("Error configuring buffer pool on interface."
 448                               " bpid = %d error code = %d",
 449                               bpool_cfg.pools[0].dpbp_id, retcode);
 450                 return retcode;
 451         }
 452
 453         priv->bp_list = bp_list;
 454         return 0;
 455 }