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 2016-2019 NXP
   5  *
   6  */
   7
   8 #include <time.h>
   9 #include <net/if.h>
  10
  11 #include <rte_mbuf.h>
  12 #include <rte_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         p_params = rte_zmalloc(
  45                 NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
  46         if (!p_params) {
  47                 DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
  48                 return -ENOMEM;
  49         }
  50
  51         kg_cfg.extracts[0].type = DPKG_EXTRACT_FROM_DATA;
  52         kg_cfg.extracts[0].extract.from_data.offset = offset;
  53         kg_cfg.extracts[0].extract.from_data.size = size;
  54         kg_cfg.extracts[0].num_of_byte_masks = 0;
  55         kg_cfg.num_extracts = 1;
  56
  57         ret = dpkg_prepare_key_cfg(&kg_cfg, p_params);
  58         if (ret) {
  59                 DPAA2_PMD_ERR("Unable to prepare extract parameters");
  60                 rte_free(p_params);
  61                 return ret;
  62         }
  63
  64         memset(&tc_cfg, 0, sizeof(struct dpni_rx_tc_dist_cfg));
  65         tc_cfg.key_cfg_iova = (size_t)(DPAA2_VADDR_TO_IOVA(p_params));
  66         tc_cfg.dist_size = eth_dev->data->nb_rx_queues;
  67         tc_cfg.dist_mode = DPNI_DIST_MODE_HASH;
  68
  69         ret = dpni_set_rx_tc_dist(dpni, CMD_PRI_LOW, priv->token, tc_index,
  70                                   &tc_cfg);
  71         rte_free(p_params);
  72         if (ret) {
  73                 DPAA2_PMD_ERR(
  74                              "Setting distribution for Rx failed with err: %d",
  75                              ret);
  76                 return ret;
  77         }
  78
  79         return 0;
  80 }
  81
  82 int
  83 dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
  84         uint64_t req_dist_set, int tc_index)
  85 {
  86         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
  87         struct fsl_mc_io *dpni = priv->hw;
  88         struct dpni_rx_dist_cfg tc_cfg;
  89         struct dpkg_profile_cfg kg_cfg;
  90         void *p_params;
  91         int ret;
  92
  93         p_params = rte_malloc(
  94                 NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
  95         if (!p_params) {
  96                 DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
  97                 return -ENOMEM;
  98         }
  99
 100         memset(p_params, 0, DIST_PARAM_IOVA_SIZE);
 101         memset(&tc_cfg, 0, sizeof(struct dpni_rx_dist_cfg));
 102
 103         ret = dpaa2_distset_to_dpkg_profile_cfg(req_dist_set, &kg_cfg);
 104         if (ret) {
 105                 DPAA2_PMD_ERR("Given RSS Hash (%" PRIx64 ") not supported",
 106                               req_dist_set);
 107                 rte_free(p_params);
 108                 return ret;
 109         }
 110
 111         tc_cfg.key_cfg_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(p_params));
 112         tc_cfg.dist_size = priv->dist_queues;
 113         tc_cfg.enable = true;
 114         tc_cfg.tc = tc_index;
 115
 116         ret = dpkg_prepare_key_cfg(&kg_cfg, p_params);
 117         if (ret) {
 118                 DPAA2_PMD_ERR("Unable to prepare extract parameters");
 119                 rte_free(p_params);
 120                 return ret;
 121         }
 122
 123         ret = dpni_set_rx_hash_dist(dpni, CMD_PRI_LOW, priv->token, &tc_cfg);
 124         rte_free(p_params);
 125         if (ret) {
 126                 DPAA2_PMD_ERR(
 127                              "Setting distribution for Rx failed with err: %d",
 128                              ret);
 129                 return ret;
 130         }
 131
 132         return 0;
 133 }
 134
 135 int dpaa2_remove_flow_dist(
 136         struct rte_eth_dev *eth_dev,
 137         uint8_t tc_index)
 138 {
 139         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 140         struct fsl_mc_io *dpni = priv->hw;
 141         struct dpni_rx_dist_cfg tc_cfg;
 142         struct dpkg_profile_cfg kg_cfg;
 143         void *p_params;
 144         int ret;
 145
 146         p_params = rte_malloc(
 147                 NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
 148         if (!p_params) {
 149                 DPAA2_PMD_ERR("Unable to allocate flow-dist parameters");
 150                 return -ENOMEM;
 151         }
 152
 153         memset(&tc_cfg, 0, sizeof(struct dpni_rx_dist_cfg));
 154         tc_cfg.dist_size = 0;
 155         tc_cfg.key_cfg_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(p_params));
 156         tc_cfg.enable = true;
 157         tc_cfg.tc = tc_index;
 158
 159         memset(p_params, 0, DIST_PARAM_IOVA_SIZE);
 160         kg_cfg.num_extracts = 0;
 161         ret = dpkg_prepare_key_cfg(&kg_cfg, p_params);
 162         if (ret) {
 163                 DPAA2_PMD_ERR("Unable to prepare extract parameters");
 164                 rte_free(p_params);
 165                 return ret;
 166         }
 167
 168         ret = dpni_set_rx_hash_dist(dpni, CMD_PRI_LOW, priv->token,
 169                         &tc_cfg);
 170         rte_free(p_params);
 171         if (ret)
 172                 DPAA2_PMD_ERR(
 173                              "Setting distribution for Rx failed with err: %d",
 174                              ret);
 175         return ret;
 176 }
 177
 178 int
 179 dpaa2_distset_to_dpkg_profile_cfg(
 180                 uint64_t req_dist_set,
 181                 struct dpkg_profile_cfg *kg_cfg)
 182 {
 183         uint32_t loop = 0, i = 0, dist_field = 0;
 184         int l2_configured = 0, l3_configured = 0;
 185         int l4_configured = 0, sctp_configured = 0;
 186
 187         memset(kg_cfg, 0, sizeof(struct dpkg_profile_cfg));
 188         while (req_dist_set) {
 189                 if (req_dist_set % 2 != 0) {
 190                         dist_field = 1U << loop;
 191                         switch (dist_field) {
 192                         case ETH_RSS_L2_PAYLOAD:
 193
 194                                 if (l2_configured)
 195                                         break;
 196                                 l2_configured = 1;
 197
 198                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 199                                         NET_PROT_ETH;
 200                                 kg_cfg->extracts[i].extract.from_hdr.field =
 201                                         NH_FLD_ETH_TYPE;
 202                                 kg_cfg->extracts[i].type =
 203                                         DPKG_EXTRACT_FROM_HDR;
 204                                 kg_cfg->extracts[i].extract.from_hdr.type =
 205                                         DPKG_FULL_FIELD;
 206                                 i++;
 207                         break;
 208
 209                         case ETH_RSS_IPV4:
 210                         case ETH_RSS_FRAG_IPV4:
 211                         case ETH_RSS_NONFRAG_IPV4_OTHER:
 212                         case ETH_RSS_IPV6:
 213                         case ETH_RSS_FRAG_IPV6:
 214                         case ETH_RSS_NONFRAG_IPV6_OTHER:
 215                         case ETH_RSS_IPV6_EX:
 216
 217                                 if (l3_configured)
 218                                         break;
 219                                 l3_configured = 1;
 220
 221                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 222                                         NET_PROT_IP;
 223                                 kg_cfg->extracts[i].extract.from_hdr.field =
 224                                         NH_FLD_IP_SRC;
 225                                 kg_cfg->extracts[i].type =
 226                                         DPKG_EXTRACT_FROM_HDR;
 227                                 kg_cfg->extracts[i].extract.from_hdr.type =
 228                                         DPKG_FULL_FIELD;
 229                                 i++;
 230
 231                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 232                                         NET_PROT_IP;
 233                                 kg_cfg->extracts[i].extract.from_hdr.field =
 234                                         NH_FLD_IP_DST;
 235                                 kg_cfg->extracts[i].type =
 236                                         DPKG_EXTRACT_FROM_HDR;
 237                                 kg_cfg->extracts[i].extract.from_hdr.type =
 238                                         DPKG_FULL_FIELD;
 239                                 i++;
 240
 241                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 242                                         NET_PROT_IP;
 243                                 kg_cfg->extracts[i].extract.from_hdr.field =
 244                                         NH_FLD_IP_PROTO;
 245                                 kg_cfg->extracts[i].type =
 246                                         DPKG_EXTRACT_FROM_HDR;
 247                                 kg_cfg->extracts[i].extract.from_hdr.type =
 248                                         DPKG_FULL_FIELD;
 249                                 kg_cfg->num_extracts++;
 250                                 i++;
 251                         break;
 252
 253                         case ETH_RSS_NONFRAG_IPV4_TCP:
 254                         case ETH_RSS_NONFRAG_IPV6_TCP:
 255                         case ETH_RSS_NONFRAG_IPV4_UDP:
 256                         case ETH_RSS_NONFRAG_IPV6_UDP:
 257                         case ETH_RSS_IPV6_TCP_EX:
 258                         case ETH_RSS_IPV6_UDP_EX:
 259
 260                                 if (l4_configured)
 261                                         break;
 262                                 l4_configured = 1;
 263
 264                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 265                                         NET_PROT_TCP;
 266                                 kg_cfg->extracts[i].extract.from_hdr.field =
 267                                         NH_FLD_TCP_PORT_SRC;
 268                                 kg_cfg->extracts[i].type =
 269                                         DPKG_EXTRACT_FROM_HDR;
 270                                 kg_cfg->extracts[i].extract.from_hdr.type =
 271                                         DPKG_FULL_FIELD;
 272                                 i++;
 273
 274                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 275                                         NET_PROT_TCP;
 276                                 kg_cfg->extracts[i].extract.from_hdr.field =
 277                                         NH_FLD_TCP_PORT_SRC;
 278                                 kg_cfg->extracts[i].type =
 279                                         DPKG_EXTRACT_FROM_HDR;
 280                                 kg_cfg->extracts[i].extract.from_hdr.type =
 281                                         DPKG_FULL_FIELD;
 282                                 i++;
 283                                 break;
 284
 285                         case ETH_RSS_NONFRAG_IPV4_SCTP:
 286                         case ETH_RSS_NONFRAG_IPV6_SCTP:
 287
 288                                 if (sctp_configured)
 289                                         break;
 290                                 sctp_configured = 1;
 291
 292                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 293                                         NET_PROT_SCTP;
 294                                 kg_cfg->extracts[i].extract.from_hdr.field =
 295                                         NH_FLD_SCTP_PORT_SRC;
 296                                 kg_cfg->extracts[i].type =
 297                                         DPKG_EXTRACT_FROM_HDR;
 298                                 kg_cfg->extracts[i].extract.from_hdr.type =
 299                                         DPKG_FULL_FIELD;
 300                                 i++;
 301
 302                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 303                                         NET_PROT_SCTP;
 304                                 kg_cfg->extracts[i].extract.from_hdr.field =
 305                                         NH_FLD_SCTP_PORT_DST;
 306                                 kg_cfg->extracts[i].type =
 307                                         DPKG_EXTRACT_FROM_HDR;
 308                                 kg_cfg->extracts[i].extract.from_hdr.type =
 309                                         DPKG_FULL_FIELD;
 310                                 i++;
 311                                 break;
 312
 313                         default:
 314                                 DPAA2_PMD_WARN(
 315                                              "Unsupported flow dist option %x",
 316                                              dist_field);
 317                                 return -EINVAL;
 318                         }
 319                 }
 320                 req_dist_set = req_dist_set >> 1;
 321                 loop++;
 322         }
 323         kg_cfg->num_extracts = i;
 324         return 0;
 325 }
 326
 327 int
 328 dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv,
 329                      void *blist)
 330 {
 331         /* Function to attach a DPNI with a buffer pool list. Buffer pool list
 332          * handle is passed in blist.
 333          */
 334         int32_t retcode;
 335         struct fsl_mc_io *dpni = priv->hw;
 336         struct dpni_pools_cfg bpool_cfg;
 337         struct dpaa2_bp_list *bp_list = (struct dpaa2_bp_list *)blist;
 338         struct dpni_buffer_layout layout;
 339         int tot_size;
 340
 341         /* ... rx buffer layout .
 342          * Check alignment for buffer layouts first
 343          */
 344
 345         /* ... rx buffer layout ... */
 346         tot_size = RTE_PKTMBUF_HEADROOM;
 347         tot_size = RTE_ALIGN_CEIL(tot_size, DPAA2_PACKET_LAYOUT_ALIGN);
 348
 349         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 350         layout.options = DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM |
 351                          DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
 352                          DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
 353                          DPNI_BUF_LAYOUT_OPT_DATA_ALIGN |
 354                          DPNI_BUF_LAYOUT_OPT_TIMESTAMP |
 355                          DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
 356
 357         layout.pass_timestamp = true;
 358         layout.pass_frame_status = 1;
 359         layout.private_data_size = DPAA2_FD_PTA_SIZE;
 360         layout.pass_parser_result = 1;
 361         layout.data_align = DPAA2_PACKET_LAYOUT_ALIGN;
 362         layout.data_head_room = tot_size - DPAA2_FD_PTA_SIZE -
 363                                 DPAA2_MBUF_HW_ANNOTATION;
 364         retcode = dpni_set_buffer_layout(dpni, CMD_PRI_LOW, priv->token,
 365                                          DPNI_QUEUE_RX, &layout);
 366         if (retcode) {
 367                 DPAA2_PMD_ERR("Error configuring buffer pool Rx layout (%d)",
 368                              retcode);
 369                 return retcode;
 370         }
 371
 372         /*Attach buffer pool to the network interface as described by the user*/
 373         memset(&bpool_cfg, 0, sizeof(struct dpni_pools_cfg));
 374         bpool_cfg.num_dpbp = 1;
 375         bpool_cfg.pools[0].dpbp_id = bp_list->buf_pool.dpbp_node->dpbp_id;
 376         bpool_cfg.pools[0].backup_pool = 0;
 377         bpool_cfg.pools[0].buffer_size = RTE_ALIGN_CEIL(bp_list->buf_pool.size,
 378                                                 DPAA2_PACKET_LAYOUT_ALIGN);
 379         bpool_cfg.pools[0].priority_mask = 0;
 380
 381         retcode = dpni_set_pools(dpni, CMD_PRI_LOW, priv->token, &bpool_cfg);
 382         if (retcode != 0) {
 383                 DPAA2_PMD_ERR("Error configuring buffer pool on interface."
 384                               " bpid = %d error code = %d",
 385                               bpool_cfg.pools[0].dpbp_id, retcode);
 386                 return retcode;
 387         }
 388
 389         priv->bp_list = bp_list;
 390         return 0;
 391 }