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