drivers/net/bnxt/tf_ulp/ulp_def_rules.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019-2020 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include "bnxt_tf_common.h"
   7 #include "ulp_template_struct.h"
   8 #include "ulp_template_db_enum.h"
   9 #include "ulp_template_db_field.h"
  10 #include "ulp_utils.h"
  11 #include "ulp_port_db.h"
  12 #include "ulp_flow_db.h"
  13 #include "ulp_mapper.h"
  14
  15 struct bnxt_ulp_def_param_handler {
  16         int32_t (*vfr_func)(struct bnxt_ulp_context *ulp_ctx,
  17                             struct ulp_tlv_param *param,
  18                             struct bnxt_ulp_mapper_create_parms *mapper_params);
  19 };
  20
  21 static int32_t
  22 ulp_set_svif_in_comp_fld(struct bnxt_ulp_context *ulp_ctx,
  23                          uint32_t  ifindex, uint8_t svif_type,
  24                          struct bnxt_ulp_mapper_create_parms *mapper_params)
  25 {
  26         uint16_t svif;
  27         uint8_t idx;
  28         int rc;
  29
  30         rc = ulp_port_db_svif_get(ulp_ctx, ifindex, svif_type, &svif);
  31         if (rc)
  32                 return rc;
  33
  34         if (svif_type == BNXT_ULP_PHY_PORT_SVIF)
  35                 idx = BNXT_ULP_CF_IDX_PHY_PORT_SVIF;
  36         else if (svif_type == BNXT_ULP_DRV_FUNC_SVIF)
  37                 idx = BNXT_ULP_CF_IDX_DRV_FUNC_SVIF;
  38         else
  39                 idx = BNXT_ULP_CF_IDX_VF_FUNC_SVIF;
  40
  41         ULP_COMP_FLD_IDX_WR(mapper_params, idx, svif);
  42
  43         return 0;
  44 }
  45
  46 static int32_t
  47 ulp_set_spif_in_comp_fld(struct bnxt_ulp_context *ulp_ctx,
  48                          uint32_t  ifindex, uint8_t spif_type,
  49                          struct bnxt_ulp_mapper_create_parms *mapper_params)
  50 {
  51         uint16_t spif;
  52         uint8_t idx;
  53         int rc;
  54
  55         rc = ulp_port_db_spif_get(ulp_ctx, ifindex, spif_type, &spif);
  56         if (rc)
  57                 return rc;
  58
  59         if (spif_type == BNXT_ULP_PHY_PORT_SPIF)
  60                 idx = BNXT_ULP_CF_IDX_PHY_PORT_SPIF;
  61         else if (spif_type == BNXT_ULP_DRV_FUNC_SPIF)
  62                 idx = BNXT_ULP_CF_IDX_DRV_FUNC_SPIF;
  63         else
  64                 idx = BNXT_ULP_CF_IDX_VF_FUNC_SPIF;
  65
  66         ULP_COMP_FLD_IDX_WR(mapper_params, idx, spif);
  67
  68         return 0;
  69 }
  70
  71 static int32_t
  72 ulp_set_parif_in_comp_fld(struct bnxt_ulp_context *ulp_ctx,
  73                           uint32_t  ifindex, uint8_t parif_type,
  74                           struct bnxt_ulp_mapper_create_parms *mapper_params)
  75 {
  76         uint16_t parif;
  77         uint8_t idx;
  78         int rc;
  79
  80         rc = ulp_port_db_parif_get(ulp_ctx, ifindex, parif_type, &parif);
  81         if (rc)
  82                 return rc;
  83
  84         if (parif_type == BNXT_ULP_PHY_PORT_PARIF)
  85                 idx = BNXT_ULP_CF_IDX_PHY_PORT_PARIF;
  86         else if (parif_type == BNXT_ULP_DRV_FUNC_PARIF)
  87                 idx = BNXT_ULP_CF_IDX_DRV_FUNC_PARIF;
  88         else
  89                 idx = BNXT_ULP_CF_IDX_VF_FUNC_PARIF;
  90
  91         ULP_COMP_FLD_IDX_WR(mapper_params, idx, parif);
  92
  93         return 0;
  94 }
  95
  96 static int32_t
  97 ulp_set_vport_in_comp_fld(struct bnxt_ulp_context *ulp_ctx, uint32_t ifindex,
  98                           struct bnxt_ulp_mapper_create_parms *mapper_params)
  99 {
 100         uint16_t vport;
 101         int rc;
 102
 103         rc = ulp_port_db_vport_get(ulp_ctx, ifindex, &vport);
 104         if (rc)
 105                 return rc;
 106
 107         ULP_COMP_FLD_IDX_WR(mapper_params, BNXT_ULP_CF_IDX_PHY_PORT_VPORT,
 108                             vport);
 109         return 0;
 110 }
 111
 112 static int32_t
 113 ulp_set_vnic_in_comp_fld(struct bnxt_ulp_context *ulp_ctx,
 114                          uint32_t  ifindex, uint8_t vnic_type,
 115                          struct bnxt_ulp_mapper_create_parms *mapper_params)
 116 {
 117         uint16_t vnic;
 118         uint8_t idx;
 119         int rc;
 120
 121         rc = ulp_port_db_default_vnic_get(ulp_ctx, ifindex, vnic_type, &vnic);
 122         if (rc)
 123                 return rc;
 124
 125         if (vnic_type == BNXT_ULP_DRV_FUNC_VNIC)
 126                 idx = BNXT_ULP_CF_IDX_DRV_FUNC_VNIC;
 127         else
 128                 idx = BNXT_ULP_CF_IDX_VF_FUNC_VNIC;
 129
 130         ULP_COMP_FLD_IDX_WR(mapper_params, idx, vnic);
 131
 132         return 0;
 133 }
 134
 135 static int32_t
 136 ulp_set_vlan_in_act_prop(uint16_t port_id,
 137                          struct bnxt_ulp_mapper_create_parms *mapper_params)
 138 {
 139         struct ulp_rte_act_prop *act_prop = mapper_params->act_prop;
 140
 141         if (ULP_BITMAP_ISSET(mapper_params->act->bits,
 142                              BNXT_ULP_ACTION_BIT_SET_VLAN_VID)) {
 143                 BNXT_TF_DBG(ERR,
 144                             "VLAN already set, multiple VLANs unsupported\n");
 145                 return BNXT_TF_RC_ERROR;
 146         }
 147
 148         port_id = rte_cpu_to_be_16(port_id);
 149
 150         ULP_BITMAP_SET(mapper_params->act->bits,
 151                        BNXT_ULP_ACTION_BIT_SET_VLAN_VID);
 152
 153         memcpy(&act_prop->act_details[BNXT_ULP_ACT_PROP_IDX_ENCAP_VTAG],
 154                &port_id, sizeof(port_id));
 155
 156         return 0;
 157 }
 158
 159 static int32_t
 160 ulp_set_mark_in_act_prop(uint16_t port_id,
 161                          struct bnxt_ulp_mapper_create_parms *mapper_params)
 162 {
 163         if (ULP_BITMAP_ISSET(mapper_params->act->bits,
 164                              BNXT_ULP_ACTION_BIT_MARK)) {
 165                 BNXT_TF_DBG(ERR,
 166                             "MARK already set, multiple MARKs unsupported\n");
 167                 return BNXT_TF_RC_ERROR;
 168         }
 169
 170         ULP_COMP_FLD_IDX_WR(mapper_params, BNXT_ULP_CF_IDX_DEV_PORT_ID,
 171                             port_id);
 172
 173         return 0;
 174 }
 175
 176 static int32_t
 177 ulp_df_dev_port_handler(struct bnxt_ulp_context *ulp_ctx,
 178                         struct ulp_tlv_param *param,
 179                         struct bnxt_ulp_mapper_create_parms *mapper_params)
 180 {
 181         uint16_t port_id;
 182         uint32_t ifindex;
 183         int rc;
 184
 185         port_id = param->value[0] | param->value[1];
 186
 187         rc = ulp_port_db_dev_port_to_ulp_index(ulp_ctx, port_id, &ifindex);
 188         if (rc) {
 189                 BNXT_TF_DBG(ERR,
 190                                 "Invalid port id\n");
 191                 return BNXT_TF_RC_ERROR;
 192         }
 193
 194         /* Set port SVIF */
 195         rc = ulp_set_svif_in_comp_fld(ulp_ctx, ifindex, BNXT_ULP_PHY_PORT_SVIF,
 196                                       mapper_params);
 197         if (rc)
 198                 return rc;
 199
 200         /* Set DRV Func SVIF */
 201         rc = ulp_set_svif_in_comp_fld(ulp_ctx, ifindex, BNXT_ULP_DRV_FUNC_SVIF,
 202                                       mapper_params);
 203         if (rc)
 204                 return rc;
 205
 206         /* Set VF Func SVIF */
 207         rc = ulp_set_svif_in_comp_fld(ulp_ctx, ifindex, BNXT_ULP_VF_FUNC_SVIF,
 208                                       mapper_params);
 209         if (rc)
 210                 return rc;
 211
 212         /* Set port SPIF */
 213         rc = ulp_set_spif_in_comp_fld(ulp_ctx, ifindex, BNXT_ULP_PHY_PORT_SPIF,
 214                                       mapper_params);
 215         if (rc)
 216                 return rc;
 217
 218         /* Set DRV Func SPIF */
 219         rc = ulp_set_spif_in_comp_fld(ulp_ctx, ifindex, BNXT_ULP_DRV_FUNC_SPIF,
 220                                       mapper_params);
 221         if (rc)
 222                 return rc;
 223
 224         /* Set VF Func SPIF */
 225         rc = ulp_set_spif_in_comp_fld(ulp_ctx, ifindex, BNXT_ULP_DRV_FUNC_SPIF,
 226                                       mapper_params);
 227         if (rc)
 228                 return rc;
 229
 230         /* Set port PARIF */
 231         rc = ulp_set_parif_in_comp_fld(ulp_ctx, ifindex,
 232                                        BNXT_ULP_PHY_PORT_PARIF, mapper_params);
 233         if (rc)
 234                 return rc;
 235
 236         /* Set DRV Func PARIF */
 237         rc = ulp_set_parif_in_comp_fld(ulp_ctx, ifindex,
 238                                        BNXT_ULP_DRV_FUNC_PARIF, mapper_params);
 239         if (rc)
 240                 return rc;
 241
 242         /* Set VF Func PARIF */
 243         rc = ulp_set_parif_in_comp_fld(ulp_ctx, ifindex, BNXT_ULP_VF_FUNC_PARIF,
 244                                        mapper_params);
 245         if (rc)
 246                 return rc;
 247
 248         /* Set uplink VNIC */
 249         rc = ulp_set_vnic_in_comp_fld(ulp_ctx, ifindex, true, mapper_params);
 250         if (rc)
 251                 return rc;
 252
 253         /* Set VF VNIC */
 254         rc = ulp_set_vnic_in_comp_fld(ulp_ctx, ifindex, false, mapper_params);
 255         if (rc)
 256                 return rc;
 257
 258         /* Set VPORT */
 259         rc = ulp_set_vport_in_comp_fld(ulp_ctx, ifindex, mapper_params);
 260         if (rc)
 261                 return rc;
 262
 263         /* Set VLAN */
 264         rc = ulp_set_vlan_in_act_prop(port_id, mapper_params);
 265         if (rc)
 266                 return rc;
 267
 268         /* Set MARK */
 269         rc = ulp_set_mark_in_act_prop(port_id, mapper_params);
 270         if (rc)
 271                 return rc;
 272
 273         return 0;
 274 }
 275
 276 struct bnxt_ulp_def_param_handler ulp_def_handler_tbl[] = {
 277         [BNXT_ULP_DF_PARAM_TYPE_DEV_PORT_ID] = {
 278                         .vfr_func = ulp_df_dev_port_handler }
 279 };
 280
 281 /*
 282  * Function to create default rules for the following paths
 283  * 1) Device PORT to DPDK App
 284  * 2) DPDK App to Device PORT
 285  * 3) VF Representor to VF
 286  * 4) VF to VF Representor
 287  *
 288  * eth_dev [in] Ptr to rte eth device.
 289  * param_list [in] Ptr to a list of parameters (Currently, only DPDK port_id).
 290  * ulp_class_tid [in] Class template ID number.
 291  * flow_id [out] Ptr to flow identifier.
 292  *
 293  * Returns 0 on success or negative number on failure.
 294  */
 295 int32_t
 296 ulp_default_flow_create(struct rte_eth_dev *eth_dev,
 297                         struct ulp_tlv_param *param_list,
 298                         uint32_t ulp_class_tid,
 299                         uint32_t *flow_id)
 300 {
 301         struct ulp_rte_hdr_field        hdr_field[BNXT_ULP_PROTO_HDR_MAX];
 302         uint32_t                        comp_fld[BNXT_ULP_CF_IDX_LAST];
 303         struct bnxt_ulp_mapper_create_parms mapper_params = { 0 };
 304         struct ulp_rte_act_prop         act_prop;
 305         struct ulp_rte_act_bitmap       act = { 0 };
 306         struct bnxt_ulp_context         *ulp_ctx;
 307         uint32_t type, ulp_flags = 0;
 308         int rc;
 309
 310         memset(&mapper_params, 0, sizeof(mapper_params));
 311         memset(hdr_field, 0, sizeof(hdr_field));
 312         memset(comp_fld, 0, sizeof(comp_fld));
 313         memset(&act_prop, 0, sizeof(act_prop));
 314
 315         mapper_params.hdr_field = hdr_field;
 316         mapper_params.act = &act;
 317         mapper_params.act_prop = &act_prop;
 318         mapper_params.comp_fld = comp_fld;
 319
 320         ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
 321         if (!ulp_ctx) {
 322                 BNXT_TF_DBG(ERR, "ULP context is not initialized. "
 323                                  "Failed to create default flow.\n");
 324                 return -EINVAL;
 325         }
 326
 327         /* update the vf rep flag */
 328         if (bnxt_ulp_cntxt_ptr2_ulp_flags_get(ulp_ctx, &ulp_flags)) {
 329                 BNXT_TF_DBG(ERR, "Error in getting ULP context flags\n");
 330                 return -EINVAL;
 331         }
 332         if (ULP_VF_REP_IS_ENABLED(ulp_flags))
 333                 ULP_COMP_FLD_IDX_WR(&mapper_params,
 334                                     BNXT_ULP_CF_IDX_VFR_MODE, 1);
 335
 336         type = param_list->type;
 337         while (type != BNXT_ULP_DF_PARAM_TYPE_LAST) {
 338                 if (ulp_def_handler_tbl[type].vfr_func) {
 339                         rc = ulp_def_handler_tbl[type].vfr_func(ulp_ctx,
 340                                                                 param_list,
 341                                                                 &mapper_params);
 342                         if (rc) {
 343                                 BNXT_TF_DBG(ERR,
 344                                             "Failed to create default flow.\n");
 345                                 return rc;
 346                         }
 347                 }
 348
 349                 param_list++;
 350                 type = param_list->type;
 351         }
 352
 353         mapper_params.class_tid = ulp_class_tid;
 354
 355         rc = ulp_mapper_flow_create(ulp_ctx, &mapper_params, flow_id);
 356         if (rc) {
 357                 BNXT_TF_DBG(ERR, "Failed to create default flow.\n");
 358                 return rc;
 359         }
 360
 361         return 0;
 362 }
 363
 364 /*
 365  * Function to destroy default rules for the following paths
 366  * 1) Device PORT to DPDK App
 367  * 2) DPDK App to Device PORT
 368  * 3) VF Representor to VF
 369  * 4) VF to VF Representor
 370  *
 371  * eth_dev [in] Ptr to rte eth device.
 372  * flow_id [in] Flow identifier.
 373  *
 374  * Returns 0 on success or negative number on failure.
 375  */
 376 int32_t
 377 ulp_default_flow_destroy(struct rte_eth_dev *eth_dev, uint32_t flow_id)
 378 {
 379         struct bnxt_ulp_context *ulp_ctx;
 380         int rc;
 381
 382         ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev);
 383         if (!ulp_ctx) {
 384                 BNXT_TF_DBG(ERR, "ULP context is not initialized\n");
 385                 return -EINVAL;
 386         }
 387
 388         rc = ulp_mapper_flow_destroy(ulp_ctx, flow_id,
 389                                      BNXT_ULP_DEFAULT_FLOW_TABLE);
 390         if (rc)
 391                 BNXT_TF_DBG(ERR, "Failed to destroy flow.\n");
 392
 393         return rc;
 394 }