drivers/net/dpaa2/base/dpaa2_hw_dpni.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
   5  *   Copyright (c) 2016 NXP. All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <net/if.h>
  36
  37 #include <rte_mbuf.h>
  38 #include <rte_ethdev.h>
  39 #include <rte_malloc.h>
  40 #include <rte_memcpy.h>
  41 #include <rte_string_fns.h>
  42 #include <rte_cycles.h>
  43 #include <rte_kvargs.h>
  44 #include <rte_dev.h>
  45 #include <rte_ethdev.h>
  46
  47 #include <fslmc_logs.h>
  48 #include <dpaa2_hw_pvt.h>
  49 #include <dpaa2_hw_mempool.h>
  50
  51 #include "../dpaa2_ethdev.h"
  52
  53 static void
  54 dpaa2_distset_to_dpkg_profile_cfg(
  55                 uint32_t req_dist_set,
  56                 struct dpkg_profile_cfg *kg_cfg);
  57
  58 int
  59 dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
  60                       uint32_t req_dist_set)
  61 {
  62         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
  63         struct fsl_mc_io *dpni = priv->hw;
  64         struct dpni_rx_tc_dist_cfg tc_cfg;
  65         struct dpkg_profile_cfg kg_cfg;
  66         void *p_params;
  67         int ret, tc_index = 0;
  68
  69         p_params = rte_malloc(
  70                 NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
  71         if (!p_params) {
  72                 RTE_LOG(ERR, PMD, "Memory unavaialble\n");
  73                 return -ENOMEM;
  74         }
  75         memset(p_params, 0, DIST_PARAM_IOVA_SIZE);
  76         memset(&tc_cfg, 0, sizeof(struct dpni_rx_tc_dist_cfg));
  77
  78         dpaa2_distset_to_dpkg_profile_cfg(req_dist_set, &kg_cfg);
  79         tc_cfg.key_cfg_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(p_params));
  80         tc_cfg.dist_size = eth_dev->data->nb_rx_queues;
  81         tc_cfg.dist_mode = DPNI_DIST_MODE_HASH;
  82
  83         ret = dpni_prepare_key_cfg(&kg_cfg, p_params);
  84         if (ret) {
  85                 RTE_LOG(ERR, PMD, "Unable to prepare extract parameters\n");
  86                 rte_free(p_params);
  87                 return ret;
  88         }
  89
  90         ret = dpni_set_rx_tc_dist(dpni, CMD_PRI_LOW, priv->token, tc_index,
  91                                   &tc_cfg);
  92         rte_free(p_params);
  93         if (ret) {
  94                 RTE_LOG(ERR, PMD, "Setting distribution for Rx failed with"
  95                         " err code: %d\n", ret);
  96                 return ret;
  97         }
  98
  99         return 0;
 100 }
 101
 102 int dpaa2_remove_flow_dist(
 103         struct rte_eth_dev *eth_dev,
 104         uint8_t tc_index)
 105 {
 106         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
 107         struct fsl_mc_io *dpni = priv->hw;
 108         struct dpni_rx_tc_dist_cfg tc_cfg;
 109         struct dpkg_profile_cfg kg_cfg;
 110         void *p_params;
 111         int ret;
 112
 113         p_params = rte_malloc(
 114                 NULL, DIST_PARAM_IOVA_SIZE, RTE_CACHE_LINE_SIZE);
 115         if (!p_params) {
 116                 RTE_LOG(ERR, PMD, "Memory unavaialble\n");
 117                 return -ENOMEM;
 118         }
 119         memset(p_params, 0, DIST_PARAM_IOVA_SIZE);
 120         memset(&tc_cfg, 0, sizeof(struct dpni_rx_tc_dist_cfg));
 121
 122         tc_cfg.key_cfg_iova = (uint64_t)(DPAA2_VADDR_TO_IOVA(p_params));
 123         tc_cfg.dist_size = 0;
 124         tc_cfg.dist_mode = DPNI_DIST_MODE_NONE;
 125
 126         ret = dpni_prepare_key_cfg(&kg_cfg, p_params);
 127         if (ret) {
 128                 RTE_LOG(ERR, PMD, "Unable to prepare extract parameters\n");
 129                 rte_free(p_params);
 130                 return ret;
 131         }
 132
 133         ret = dpni_set_rx_tc_dist(dpni, CMD_PRI_LOW, priv->token, tc_index,
 134                                   &tc_cfg);
 135         rte_free(p_params);
 136         if (ret) {
 137                 RTE_LOG(ERR, PMD, "Setting distribution for Rx failed with"
 138                         " err code: %d\n", ret);
 139                 return ret;
 140         }
 141         return ret;
 142 }
 143
 144 static void
 145 dpaa2_distset_to_dpkg_profile_cfg(
 146                 uint32_t req_dist_set,
 147                 struct dpkg_profile_cfg *kg_cfg)
 148 {
 149         uint32_t loop = 0, i = 0, dist_field = 0;
 150         int l2_configured = 0, l3_configured = 0;
 151         int l4_configured = 0, sctp_configured = 0;
 152
 153         memset(kg_cfg, 0, sizeof(struct dpkg_profile_cfg));
 154         while (req_dist_set) {
 155                 if (req_dist_set % 2 != 0) {
 156                         dist_field = 1U << loop;
 157                         switch (dist_field) {
 158                         case ETH_RSS_L2_PAYLOAD:
 159
 160                                 if (l2_configured)
 161                                         break;
 162                                 l2_configured = 1;
 163
 164                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 165                                         NET_PROT_ETH;
 166                                 kg_cfg->extracts[i].extract.from_hdr.field =
 167                                         NH_FLD_ETH_TYPE;
 168                                 kg_cfg->extracts[i].type =
 169                                         DPKG_EXTRACT_FROM_HDR;
 170                                 kg_cfg->extracts[i].extract.from_hdr.type =
 171                                         DPKG_FULL_FIELD;
 172                                 i++;
 173                         break;
 174
 175                         case ETH_RSS_IPV4:
 176                         case ETH_RSS_FRAG_IPV4:
 177                         case ETH_RSS_NONFRAG_IPV4_OTHER:
 178                         case ETH_RSS_IPV6:
 179                         case ETH_RSS_FRAG_IPV6:
 180                         case ETH_RSS_NONFRAG_IPV6_OTHER:
 181                         case ETH_RSS_IPV6_EX:
 182
 183                                 if (l3_configured)
 184                                         break;
 185                                 l3_configured = 1;
 186
 187                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 188                                         NET_PROT_IP;
 189                                 kg_cfg->extracts[i].extract.from_hdr.field =
 190                                         NH_FLD_IP_SRC;
 191                                 kg_cfg->extracts[i].type =
 192                                         DPKG_EXTRACT_FROM_HDR;
 193                                 kg_cfg->extracts[i].extract.from_hdr.type =
 194                                         DPKG_FULL_FIELD;
 195                                 i++;
 196
 197                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 198                                         NET_PROT_IP;
 199                                 kg_cfg->extracts[i].extract.from_hdr.field =
 200                                         NH_FLD_IP_DST;
 201                                 kg_cfg->extracts[i].type =
 202                                         DPKG_EXTRACT_FROM_HDR;
 203                                 kg_cfg->extracts[i].extract.from_hdr.type =
 204                                         DPKG_FULL_FIELD;
 205                                 i++;
 206
 207                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 208                                         NET_PROT_IP;
 209                                 kg_cfg->extracts[i].extract.from_hdr.field =
 210                                         NH_FLD_IP_PROTO;
 211                                 kg_cfg->extracts[i].type =
 212                                         DPKG_EXTRACT_FROM_HDR;
 213                                 kg_cfg->extracts[i].extract.from_hdr.type =
 214                                         DPKG_FULL_FIELD;
 215                                 kg_cfg->num_extracts++;
 216                                 i++;
 217                         break;
 218
 219                         case ETH_RSS_NONFRAG_IPV4_TCP:
 220                         case ETH_RSS_NONFRAG_IPV6_TCP:
 221                         case ETH_RSS_NONFRAG_IPV4_UDP:
 222                         case ETH_RSS_NONFRAG_IPV6_UDP:
 223                         case ETH_RSS_IPV6_TCP_EX:
 224                         case ETH_RSS_IPV6_UDP_EX:
 225
 226                                 if (l4_configured)
 227                                         break;
 228                                 l4_configured = 1;
 229
 230                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 231                                         NET_PROT_TCP;
 232                                 kg_cfg->extracts[i].extract.from_hdr.field =
 233                                         NH_FLD_TCP_PORT_SRC;
 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
 240                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 241                                         NET_PROT_TCP;
 242                                 kg_cfg->extracts[i].extract.from_hdr.field =
 243                                         NH_FLD_TCP_PORT_SRC;
 244                                 kg_cfg->extracts[i].type =
 245                                         DPKG_EXTRACT_FROM_HDR;
 246                                 kg_cfg->extracts[i].extract.from_hdr.type =
 247                                         DPKG_FULL_FIELD;
 248                                 i++;
 249                                 break;
 250
 251                         case ETH_RSS_NONFRAG_IPV4_SCTP:
 252                         case ETH_RSS_NONFRAG_IPV6_SCTP:
 253
 254                                 if (sctp_configured)
 255                                         break;
 256                                 sctp_configured = 1;
 257
 258                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 259                                         NET_PROT_SCTP;
 260                                 kg_cfg->extracts[i].extract.from_hdr.field =
 261                                         NH_FLD_SCTP_PORT_SRC;
 262                                 kg_cfg->extracts[i].type =
 263                                         DPKG_EXTRACT_FROM_HDR;
 264                                 kg_cfg->extracts[i].extract.from_hdr.type =
 265                                         DPKG_FULL_FIELD;
 266                                 i++;
 267
 268                                 kg_cfg->extracts[i].extract.from_hdr.prot =
 269                                         NET_PROT_SCTP;
 270                                 kg_cfg->extracts[i].extract.from_hdr.field =
 271                                         NH_FLD_SCTP_PORT_DST;
 272                                 kg_cfg->extracts[i].type =
 273                                         DPKG_EXTRACT_FROM_HDR;
 274                                 kg_cfg->extracts[i].extract.from_hdr.type =
 275                                         DPKG_FULL_FIELD;
 276                                 i++;
 277                                 break;
 278
 279                         default:
 280                                 PMD_DRV_LOG(WARNING, "Bad flow distribution"
 281                                             " option %x\n", dist_field);
 282                         }
 283                 }
 284                 req_dist_set = req_dist_set >> 1;
 285                 loop++;
 286         }
 287         kg_cfg->num_extracts = i;
 288 }
 289
 290 int
 291 dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv,
 292                      void *blist)
 293 {
 294         /* Function to attach a DPNI with a buffer pool list. Buffer pool list
 295          * handle is passed in blist.
 296          */
 297         int32_t retcode;
 298         struct fsl_mc_io *dpni = priv->hw;
 299         struct dpni_pools_cfg bpool_cfg;
 300         struct dpaa2_bp_list *bp_list = (struct dpaa2_bp_list *)blist;
 301         struct dpni_buffer_layout layout;
 302         int tot_size;
 303
 304         /* ... rx buffer layout .
 305          * Check alignment for buffer layouts first
 306          */
 307
 308         /* ... rx buffer layout ... */
 309         tot_size = DPAA2_HW_BUF_RESERVE + RTE_PKTMBUF_HEADROOM;
 310         tot_size = RTE_ALIGN_CEIL(tot_size,
 311                                   DPAA2_PACKET_LAYOUT_ALIGN);
 312
 313         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
 314         layout.options = DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM;
 315
 316         layout.data_head_room =
 317                 tot_size - DPAA2_FD_PTA_SIZE - DPAA2_MBUF_HW_ANNOTATION;
 318         retcode = dpni_set_buffer_layout(dpni, CMD_PRI_LOW, priv->token,
 319                                          DPNI_QUEUE_RX, &layout);
 320         if (retcode) {
 321                 PMD_INIT_LOG(ERR, "Err(%d) in setting rx buffer layout\n",
 322                              retcode);
 323                 return retcode;
 324         }
 325
 326         /*Attach buffer pool to the network interface as described by the user*/
 327         bpool_cfg.num_dpbp = 1;
 328         bpool_cfg.pools[0].dpbp_id = bp_list->buf_pool.dpbp_node->dpbp_id;
 329         bpool_cfg.pools[0].backup_pool = 0;
 330         bpool_cfg.pools[0].buffer_size =
 331                 RTE_ALIGN_CEIL(bp_list->buf_pool.size,
 332                                256 /*DPAA2_PACKET_LAYOUT_ALIGN*/);
 333
 334         retcode = dpni_set_pools(dpni, CMD_PRI_LOW, priv->token, &bpool_cfg);
 335         if (retcode != 0) {
 336                 PMD_INIT_LOG(ERR, "Error in attaching the buffer pool list"
 337                                 " bpid = %d Error code = %d\n",
 338                                 bpool_cfg.pools[0].dpbp_id, retcode);
 339                 return retcode;
 340         }
 341
 342         priv->bp_list = bp_list;
 343         return 0;
 344 }