1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2019-2021 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_ACT_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_ACT_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_ACT_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 uint64_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, fid; 308 int rc = 0; 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 mapper_params.class_tid = ulp_class_tid; 320 mapper_params.flow_type = BNXT_ULP_FDB_TYPE_DEFAULT; 321 mapper_params.port_id = eth_dev->data->port_id; 322 323 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev); 324 if (!ulp_ctx) { 325 BNXT_TF_DBG(ERR, 326 "ULP is not init'ed. Fail to create dflt flow.\n"); 327 return -EINVAL; 328 } 329 330 /* update the vf rep flag */ 331 if (bnxt_ulp_cntxt_ptr2_ulp_flags_get(ulp_ctx, &ulp_flags)) { 332 BNXT_TF_DBG(ERR, "Error in getting ULP context flags\n"); 333 return -EINVAL; 334 } 335 if (ULP_VF_REP_IS_ENABLED(ulp_flags)) 336 ULP_COMP_FLD_IDX_WR(&mapper_params, 337 BNXT_ULP_CF_IDX_VFR_MODE, 1); 338 339 type = param_list->type; 340 while (type != BNXT_ULP_DF_PARAM_TYPE_LAST) { 341 if (ulp_def_handler_tbl[type].vfr_func) { 342 rc = ulp_def_handler_tbl[type].vfr_func(ulp_ctx, 343 param_list, 344 &mapper_params); 345 if (rc) { 346 BNXT_TF_DBG(ERR, 347 "Failed to create default flow.\n"); 348 return rc; 349 } 350 } 351 352 param_list++; 353 type = param_list->type; 354 } 355 356 /* Get the function id */ 357 if (ulp_port_db_port_func_id_get(ulp_ctx, 358 eth_dev->data->port_id, 359 &mapper_params.func_id)) { 360 BNXT_TF_DBG(ERR, "conversion of port to func id failed\n"); 361 goto err1; 362 } 363 364 BNXT_TF_DBG(DEBUG, "Creating default flow with template id: %u\n", 365 ulp_class_tid); 366 367 /* Protect flow creation */ 368 if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) { 369 BNXT_TF_DBG(ERR, "Flow db lock acquire failed\n"); 370 goto err1; 371 } 372 373 rc = ulp_flow_db_fid_alloc(ulp_ctx, mapper_params.flow_type, 374 mapper_params.func_id, &fid); 375 if (rc) { 376 BNXT_TF_DBG(ERR, "Unable to allocate flow table entry\n"); 377 goto err2; 378 } 379 380 mapper_params.flow_id = fid; 381 rc = ulp_mapper_flow_create(ulp_ctx, &mapper_params); 382 if (rc) 383 goto err3; 384 385 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx); 386 *flow_id = fid; 387 return 0; 388 389 err3: 390 ulp_flow_db_fid_free(ulp_ctx, mapper_params.flow_type, fid); 391 err2: 392 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx); 393 err1: 394 BNXT_TF_DBG(ERR, "Failed to create default flow.\n"); 395 return rc; 396 } 397 398 /* 399 * Function to destroy default rules for the following paths 400 * 1) Device PORT to DPDK App 401 * 2) DPDK App to Device PORT 402 * 3) VF Representor to VF 403 * 4) VF to VF Representor 404 * 405 * eth_dev [in] Ptr to rte eth device. 406 * flow_id [in] Flow identifier. 407 * 408 * Returns 0 on success or negative number on failure. 409 */ 410 int32_t 411 ulp_default_flow_destroy(struct rte_eth_dev *eth_dev, uint32_t flow_id) 412 { 413 struct bnxt_ulp_context *ulp_ctx; 414 int rc = 0; 415 416 ulp_ctx = bnxt_ulp_eth_dev_ptr2_cntxt_get(eth_dev); 417 if (!ulp_ctx) { 418 BNXT_TF_DBG(ERR, "ULP context is not initialized\n"); 419 return -EINVAL; 420 } 421 422 if (!flow_id) { 423 BNXT_TF_DBG(DEBUG, "invalid flow id zero\n"); 424 return rc; 425 } 426 427 if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) { 428 BNXT_TF_DBG(ERR, "Flow db lock acquire failed\n"); 429 return -EINVAL; 430 } 431 rc = ulp_mapper_flow_destroy(ulp_ctx, BNXT_ULP_FDB_TYPE_DEFAULT, 432 flow_id); 433 if (rc) 434 BNXT_TF_DBG(ERR, "Failed to destroy flow.\n"); 435 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx); 436 437 return rc; 438 } 439 440 void 441 bnxt_ulp_destroy_df_rules(struct bnxt *bp, bool global) 442 { 443 struct bnxt_ulp_df_rule_info *info; 444 uint16_t port_id; 445 446 if (!BNXT_TRUFLOW_EN(bp) || 447 BNXT_ETH_DEV_IS_REPRESENTOR(bp->eth_dev)) 448 return; 449 450 if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data) 451 return; 452 453 /* Delete default rules per port */ 454 if (!global) { 455 port_id = bp->eth_dev->data->port_id; 456 info = &bp->ulp_ctx->cfg_data->df_rule_info[port_id]; 457 if (!info->valid) 458 return; 459 460 ulp_default_flow_destroy(bp->eth_dev, 461 info->def_port_flow_id); 462 memset(info, 0, sizeof(struct bnxt_ulp_df_rule_info)); 463 return; 464 } 465 466 /* Delete default rules for all ports */ 467 for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) { 468 info = &bp->ulp_ctx->cfg_data->df_rule_info[port_id]; 469 if (!info->valid) 470 continue; 471 472 ulp_default_flow_destroy(bp->eth_dev, 473 info->def_port_flow_id); 474 memset(info, 0, sizeof(struct bnxt_ulp_df_rule_info)); 475 } 476 } 477 478 static int32_t 479 bnxt_create_port_app_df_rule(struct bnxt *bp, uint8_t flow_type, 480 uint32_t *flow_id) 481 { 482 uint16_t port_id = bp->eth_dev->data->port_id; 483 struct ulp_tlv_param param_list[] = { 484 { 485 .type = BNXT_ULP_DF_PARAM_TYPE_DEV_PORT_ID, 486 .length = 2, 487 .value = {(port_id >> 8) & 0xff, port_id & 0xff} 488 }, 489 { 490 .type = BNXT_ULP_DF_PARAM_TYPE_LAST, 491 .length = 0, 492 .value = {0} 493 } 494 }; 495 496 if (!flow_type) { 497 *flow_id = 0; 498 return 0; 499 } 500 return ulp_default_flow_create(bp->eth_dev, param_list, flow_type, 501 flow_id); 502 } 503 504 int32_t 505 bnxt_ulp_create_df_rules(struct bnxt *bp) 506 { 507 struct bnxt_ulp_df_rule_info *info; 508 uint16_t port_id; 509 int rc = 0; 510 511 if (!BNXT_TRUFLOW_EN(bp) || 512 BNXT_ETH_DEV_IS_REPRESENTOR(bp->eth_dev) || !bp->ulp_ctx) 513 return 0; 514 515 port_id = bp->eth_dev->data->port_id; 516 info = &bp->ulp_ctx->cfg_data->df_rule_info[port_id]; 517 rc = bnxt_create_port_app_df_rule(bp, 518 BNXT_ULP_DF_TPL_DEFAULT_UPLINK_PORT, 519 &info->def_port_flow_id); 520 if (rc) { 521 BNXT_TF_DBG(ERR, 522 "Failed to create port to app default rule\n"); 523 return rc; 524 } 525 526 rc = ulp_default_flow_db_cfa_action_get(bp->ulp_ctx, 527 info->def_port_flow_id, 528 &bp->tx_cfa_action); 529 if (rc) 530 bp->tx_cfa_action = 0; 531 info->valid = true; 532 return 0; 533 } 534 535 static int32_t 536 bnxt_create_port_vfr_default_rule(struct bnxt *bp, 537 uint8_t flow_type, 538 uint16_t vfr_port_id, 539 uint32_t *flow_id) 540 { 541 struct ulp_tlv_param param_list[] = { 542 { 543 .type = BNXT_ULP_DF_PARAM_TYPE_DEV_PORT_ID, 544 .length = 2, 545 .value = {(vfr_port_id >> 8) & 0xff, vfr_port_id & 0xff} 546 }, 547 { 548 .type = BNXT_ULP_DF_PARAM_TYPE_LAST, 549 .length = 0, 550 .value = {0} 551 } 552 }; 553 return ulp_default_flow_create(bp->eth_dev, param_list, flow_type, 554 flow_id); 555 } 556 557 int32_t 558 bnxt_ulp_create_vfr_default_rules(struct rte_eth_dev *vfr_ethdev) 559 { 560 struct bnxt_ulp_vfr_rule_info *info; 561 struct bnxt_representor *vfr = vfr_ethdev->data->dev_private; 562 struct rte_eth_dev *parent_dev = vfr->parent_dev; 563 struct bnxt *bp = parent_dev->data->dev_private; 564 uint16_t vfr_port_id = vfr_ethdev->data->port_id; 565 uint16_t port_id; 566 int rc; 567 568 if (!bp || !BNXT_TRUFLOW_EN(bp)) 569 return 0; 570 571 port_id = vfr_ethdev->data->port_id; 572 info = bnxt_ulp_cntxt_ptr2_ulp_vfr_info_get(bp->ulp_ctx, port_id); 573 574 if (!info) { 575 BNXT_TF_DBG(ERR, "Failed to get vfr ulp context\n"); 576 return -EINVAL; 577 } 578 579 if (info->valid) { 580 BNXT_TF_DBG(ERR, "VFR already allocated\n"); 581 return -EINVAL; 582 } 583 584 memset(info, 0, sizeof(struct bnxt_ulp_vfr_rule_info)); 585 rc = bnxt_create_port_vfr_default_rule(bp, BNXT_ULP_DF_TPL_DEFAULT_VFR, 586 vfr_port_id, 587 &info->vfr_flow_id); 588 if (rc) { 589 BNXT_TF_DBG(ERR, "Failed to create VFR default rule\n"); 590 goto error; 591 } 592 rc = ulp_default_flow_db_cfa_action_get(bp->ulp_ctx, 593 info->vfr_flow_id, 594 &vfr->vfr_tx_cfa_action); 595 if (rc) { 596 BNXT_TF_DBG(ERR, "Failed to get the tx cfa action\n"); 597 goto error; 598 } 599 600 /* Update the other details */ 601 info->valid = true; 602 info->parent_port_id = bp->eth_dev->data->port_id; 603 return 0; 604 605 error: 606 if (info->vfr_flow_id) 607 ulp_default_flow_destroy(bp->eth_dev, info->vfr_flow_id); 608 return rc; 609 } 610 611 int32_t 612 bnxt_ulp_delete_vfr_default_rules(struct bnxt_representor *vfr) 613 { 614 struct bnxt_ulp_vfr_rule_info *info; 615 struct rte_eth_dev *parent_dev = vfr->parent_dev; 616 struct bnxt *bp = parent_dev->data->dev_private; 617 618 if (!bp || !BNXT_TRUFLOW_EN(bp)) 619 return 0; 620 info = bnxt_ulp_cntxt_ptr2_ulp_vfr_info_get(bp->ulp_ctx, 621 vfr->dpdk_port_id); 622 if (!info) { 623 BNXT_TF_DBG(ERR, "Failed to get vfr ulp context\n"); 624 return -EINVAL; 625 } 626 627 if (!info->valid) { 628 BNXT_TF_DBG(ERR, "VFR already freed\n"); 629 return -EINVAL; 630 } 631 ulp_default_flow_destroy(bp->eth_dev, info->vfr_flow_id); 632 vfr->vfr_tx_cfa_action = 0; 633 memset(info, 0, sizeof(struct bnxt_ulp_vfr_rule_info)); 634 return 0; 635 } 636