1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2019 3 */ 4 5 #include "ice_switch.h" 6 #include "ice_flex_type.h" 7 #include "ice_flow.h" 8 9 10 #define ICE_ETH_DA_OFFSET 0 11 #define ICE_ETH_ETHTYPE_OFFSET 12 12 #define ICE_ETH_VLAN_TCI_OFFSET 14 13 #define ICE_MAX_VLAN_ID 0xFFF 14 15 /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem 16 * struct to configure any switch filter rules. 17 * {DA (6 bytes), SA(6 bytes), 18 * Ether type (2 bytes for header without VLAN tag) OR 19 * VLAN tag (4 bytes for header with VLAN tag) } 20 * 21 * Word on Hardcoded values 22 * byte 0 = 0x2: to identify it as locally administered DA MAC 23 * byte 6 = 0x2: to identify it as locally administered SA MAC 24 * byte 12 = 0x81 & byte 13 = 0x00: 25 * In case of VLAN filter first two bytes defines ether type (0x8100) 26 * and remaining two bytes are placeholder for programming a given VLAN ID 27 * In case of Ether type filter it is treated as header without VLAN tag 28 * and byte 12 and 13 is used to program a given Ether type instead 29 */ 30 #define DUMMY_ETH_HDR_LEN 16 31 static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0, 32 0x2, 0, 0, 0, 0, 0, 33 0x81, 0, 0, 0}; 34 35 #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \ 36 (sizeof(struct ice_aqc_sw_rules_elem) - \ 37 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 38 sizeof(struct ice_sw_rule_lkup_rx_tx) + DUMMY_ETH_HDR_LEN - 1) 39 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \ 40 (sizeof(struct ice_aqc_sw_rules_elem) - \ 41 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 42 sizeof(struct ice_sw_rule_lkup_rx_tx) - 1) 43 #define ICE_SW_RULE_LG_ACT_SIZE(n) \ 44 (sizeof(struct ice_aqc_sw_rules_elem) - \ 45 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 46 sizeof(struct ice_sw_rule_lg_act) - \ 47 sizeof(((struct ice_sw_rule_lg_act *)0)->act) + \ 48 ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act))) 49 #define ICE_SW_RULE_VSI_LIST_SIZE(n) \ 50 (sizeof(struct ice_aqc_sw_rules_elem) - \ 51 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 52 sizeof(struct ice_sw_rule_vsi_list) - \ 53 sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi) + \ 54 ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi))) 55 56 57 /** 58 * ice_init_def_sw_recp - initialize the recipe book keeping tables 59 * @hw: pointer to the HW struct 60 * 61 * Allocate memory for the entire recipe table and initialize the structures/ 62 * entries corresponding to basic recipes. 63 */ 64 enum ice_status ice_init_def_sw_recp(struct ice_hw *hw) 65 { 66 struct ice_sw_recipe *recps; 67 u8 i; 68 69 recps = (struct ice_sw_recipe *) 70 ice_calloc(hw, ICE_MAX_NUM_RECIPES, sizeof(*recps)); 71 if (!recps) 72 return ICE_ERR_NO_MEMORY; 73 74 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 75 recps[i].root_rid = i; 76 INIT_LIST_HEAD(&recps[i].filt_rules); 77 INIT_LIST_HEAD(&recps[i].filt_replay_rules); 78 ice_init_lock(&recps[i].filt_rule_lock); 79 } 80 81 hw->switch_info->recp_list = recps; 82 83 return ICE_SUCCESS; 84 } 85 86 /** 87 * ice_aq_get_sw_cfg - get switch configuration 88 * @hw: pointer to the hardware structure 89 * @buf: pointer to the result buffer 90 * @buf_size: length of the buffer available for response 91 * @req_desc: pointer to requested descriptor 92 * @num_elems: pointer to number of elements 93 * @cd: pointer to command details structure or NULL 94 * 95 * Get switch configuration (0x0200) to be placed in 'buff'. 96 * This admin command returns information such as initial VSI/port number 97 * and switch ID it belongs to. 98 * 99 * NOTE: *req_desc is both an input/output parameter. 100 * The caller of this function first calls this function with *request_desc set 101 * to 0. If the response from f/w has *req_desc set to 0, all the switch 102 * configuration information has been returned; if non-zero (meaning not all 103 * the information was returned), the caller should call this function again 104 * with *req_desc set to the previous value returned by f/w to get the 105 * next block of switch configuration information. 106 * 107 * *num_elems is output only parameter. This reflects the number of elements 108 * in response buffer. The caller of this function to use *num_elems while 109 * parsing the response buffer. 110 */ 111 static enum ice_status 112 ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp *buf, 113 u16 buf_size, u16 *req_desc, u16 *num_elems, 114 struct ice_sq_cd *cd) 115 { 116 struct ice_aqc_get_sw_cfg *cmd; 117 enum ice_status status; 118 struct ice_aq_desc desc; 119 120 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg); 121 cmd = &desc.params.get_sw_conf; 122 cmd->element = CPU_TO_LE16(*req_desc); 123 124 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 125 if (!status) { 126 *req_desc = LE16_TO_CPU(cmd->element); 127 *num_elems = LE16_TO_CPU(cmd->num_elems); 128 } 129 130 return status; 131 } 132 133 134 /** 135 * ice_alloc_sw - allocate resources specific to switch 136 * @hw: pointer to the HW struct 137 * @ena_stats: true to turn on VEB stats 138 * @shared_res: true for shared resource, false for dedicated resource 139 * @sw_id: switch ID returned 140 * @counter_id: VEB counter ID returned 141 * 142 * allocates switch resources (SWID and VEB counter) (0x0208) 143 */ 144 enum ice_status 145 ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id, 146 u16 *counter_id) 147 { 148 struct ice_aqc_alloc_free_res_elem *sw_buf; 149 struct ice_aqc_res_elem *sw_ele; 150 enum ice_status status; 151 u16 buf_len; 152 153 buf_len = sizeof(*sw_buf); 154 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 155 ice_malloc(hw, buf_len); 156 if (!sw_buf) 157 return ICE_ERR_NO_MEMORY; 158 159 /* Prepare buffer for switch ID. 160 * The number of resource entries in buffer is passed as 1 since only a 161 * single switch/VEB instance is allocated, and hence a single sw_id 162 * is requested. 163 */ 164 sw_buf->num_elems = CPU_TO_LE16(1); 165 sw_buf->res_type = 166 CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID | 167 (shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED : 168 ICE_AQC_RES_TYPE_FLAG_DEDICATED)); 169 170 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, 171 ice_aqc_opc_alloc_res, NULL); 172 173 if (status) 174 goto ice_alloc_sw_exit; 175 176 sw_ele = &sw_buf->elem[0]; 177 *sw_id = LE16_TO_CPU(sw_ele->e.sw_resp); 178 179 if (ena_stats) { 180 /* Prepare buffer for VEB Counter */ 181 enum ice_adminq_opc opc = ice_aqc_opc_alloc_res; 182 struct ice_aqc_alloc_free_res_elem *counter_buf; 183 struct ice_aqc_res_elem *counter_ele; 184 185 counter_buf = (struct ice_aqc_alloc_free_res_elem *) 186 ice_malloc(hw, buf_len); 187 if (!counter_buf) { 188 status = ICE_ERR_NO_MEMORY; 189 goto ice_alloc_sw_exit; 190 } 191 192 /* The number of resource entries in buffer is passed as 1 since 193 * only a single switch/VEB instance is allocated, and hence a 194 * single VEB counter is requested. 195 */ 196 counter_buf->num_elems = CPU_TO_LE16(1); 197 counter_buf->res_type = 198 CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER | 199 ICE_AQC_RES_TYPE_FLAG_DEDICATED); 200 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len, 201 opc, NULL); 202 203 if (status) { 204 ice_free(hw, counter_buf); 205 goto ice_alloc_sw_exit; 206 } 207 counter_ele = &counter_buf->elem[0]; 208 *counter_id = LE16_TO_CPU(counter_ele->e.sw_resp); 209 ice_free(hw, counter_buf); 210 } 211 212 ice_alloc_sw_exit: 213 ice_free(hw, sw_buf); 214 return status; 215 } 216 217 /** 218 * ice_free_sw - free resources specific to switch 219 * @hw: pointer to the HW struct 220 * @sw_id: switch ID returned 221 * @counter_id: VEB counter ID returned 222 * 223 * free switch resources (SWID and VEB counter) (0x0209) 224 * 225 * NOTE: This function frees multiple resources. It continues 226 * releasing other resources even after it encounters error. 227 * The error code returned is the last error it encountered. 228 */ 229 enum ice_status ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id) 230 { 231 struct ice_aqc_alloc_free_res_elem *sw_buf, *counter_buf; 232 enum ice_status status, ret_status; 233 u16 buf_len; 234 235 buf_len = sizeof(*sw_buf); 236 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 237 ice_malloc(hw, buf_len); 238 if (!sw_buf) 239 return ICE_ERR_NO_MEMORY; 240 241 /* Prepare buffer to free for switch ID res. 242 * The number of resource entries in buffer is passed as 1 since only a 243 * single switch/VEB instance is freed, and hence a single sw_id 244 * is released. 245 */ 246 sw_buf->num_elems = CPU_TO_LE16(1); 247 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID); 248 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(sw_id); 249 250 ret_status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, 251 ice_aqc_opc_free_res, NULL); 252 253 if (ret_status) 254 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n"); 255 256 /* Prepare buffer to free for VEB Counter resource */ 257 counter_buf = (struct ice_aqc_alloc_free_res_elem *) 258 ice_malloc(hw, buf_len); 259 if (!counter_buf) { 260 ice_free(hw, sw_buf); 261 return ICE_ERR_NO_MEMORY; 262 } 263 264 /* The number of resource entries in buffer is passed as 1 since only a 265 * single switch/VEB instance is freed, and hence a single VEB counter 266 * is released 267 */ 268 counter_buf->num_elems = CPU_TO_LE16(1); 269 counter_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER); 270 counter_buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id); 271 272 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len, 273 ice_aqc_opc_free_res, NULL); 274 if (status) { 275 ice_debug(hw, ICE_DBG_SW, 276 "VEB counter resource could not be freed\n"); 277 ret_status = status; 278 } 279 280 ice_free(hw, counter_buf); 281 ice_free(hw, sw_buf); 282 return ret_status; 283 } 284 285 /** 286 * ice_aq_add_vsi 287 * @hw: pointer to the HW struct 288 * @vsi_ctx: pointer to a VSI context struct 289 * @cd: pointer to command details structure or NULL 290 * 291 * Add a VSI context to the hardware (0x0210) 292 */ 293 enum ice_status 294 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 295 struct ice_sq_cd *cd) 296 { 297 struct ice_aqc_add_update_free_vsi_resp *res; 298 struct ice_aqc_add_get_update_free_vsi *cmd; 299 struct ice_aq_desc desc; 300 enum ice_status status; 301 302 cmd = &desc.params.vsi_cmd; 303 res = &desc.params.add_update_free_vsi_res; 304 305 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi); 306 307 if (!vsi_ctx->alloc_from_pool) 308 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | 309 ICE_AQ_VSI_IS_VALID); 310 311 cmd->vsi_flags = CPU_TO_LE16(vsi_ctx->flags); 312 313 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 314 315 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 316 sizeof(vsi_ctx->info), cd); 317 318 if (!status) { 319 vsi_ctx->vsi_num = LE16_TO_CPU(res->vsi_num) & ICE_AQ_VSI_NUM_M; 320 vsi_ctx->vsis_allocd = LE16_TO_CPU(res->vsi_used); 321 vsi_ctx->vsis_unallocated = LE16_TO_CPU(res->vsi_free); 322 } 323 324 return status; 325 } 326 327 /** 328 * ice_aq_free_vsi 329 * @hw: pointer to the HW struct 330 * @vsi_ctx: pointer to a VSI context struct 331 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources 332 * @cd: pointer to command details structure or NULL 333 * 334 * Free VSI context info from hardware (0x0213) 335 */ 336 enum ice_status 337 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 338 bool keep_vsi_alloc, struct ice_sq_cd *cd) 339 { 340 struct ice_aqc_add_update_free_vsi_resp *resp; 341 struct ice_aqc_add_get_update_free_vsi *cmd; 342 struct ice_aq_desc desc; 343 enum ice_status status; 344 345 cmd = &desc.params.vsi_cmd; 346 resp = &desc.params.add_update_free_vsi_res; 347 348 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi); 349 350 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 351 if (keep_vsi_alloc) 352 cmd->cmd_flags = CPU_TO_LE16(ICE_AQ_VSI_KEEP_ALLOC); 353 354 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 355 if (!status) { 356 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used); 357 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free); 358 } 359 360 return status; 361 } 362 363 /** 364 * ice_aq_update_vsi 365 * @hw: pointer to the HW struct 366 * @vsi_ctx: pointer to a VSI context struct 367 * @cd: pointer to command details structure or NULL 368 * 369 * Update VSI context in the hardware (0x0211) 370 */ 371 enum ice_status 372 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 373 struct ice_sq_cd *cd) 374 { 375 struct ice_aqc_add_update_free_vsi_resp *resp; 376 struct ice_aqc_add_get_update_free_vsi *cmd; 377 struct ice_aq_desc desc; 378 enum ice_status status; 379 380 cmd = &desc.params.vsi_cmd; 381 resp = &desc.params.add_update_free_vsi_res; 382 383 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi); 384 385 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 386 387 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 388 389 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 390 sizeof(vsi_ctx->info), cd); 391 392 if (!status) { 393 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used); 394 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free); 395 } 396 397 return status; 398 } 399 400 /** 401 * ice_is_vsi_valid - check whether the VSI is valid or not 402 * @hw: pointer to the HW struct 403 * @vsi_handle: VSI handle 404 * 405 * check whether the VSI is valid or not 406 */ 407 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle) 408 { 409 return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle]; 410 } 411 412 /** 413 * ice_get_hw_vsi_num - return the HW VSI number 414 * @hw: pointer to the HW struct 415 * @vsi_handle: VSI handle 416 * 417 * return the HW VSI number 418 * Caution: call this function only if VSI is valid (ice_is_vsi_valid) 419 */ 420 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle) 421 { 422 return hw->vsi_ctx[vsi_handle]->vsi_num; 423 } 424 425 /** 426 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle 427 * @hw: pointer to the HW struct 428 * @vsi_handle: VSI handle 429 * 430 * return the VSI context entry for a given VSI handle 431 */ 432 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) 433 { 434 return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle]; 435 } 436 437 /** 438 * ice_save_vsi_ctx - save the VSI context for a given VSI handle 439 * @hw: pointer to the HW struct 440 * @vsi_handle: VSI handle 441 * @vsi: VSI context pointer 442 * 443 * save the VSI context entry for a given VSI handle 444 */ 445 static void 446 ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi) 447 { 448 hw->vsi_ctx[vsi_handle] = vsi; 449 } 450 451 /** 452 * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs 453 * @hw: pointer to the HW struct 454 * @vsi_handle: VSI handle 455 */ 456 static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle) 457 { 458 struct ice_vsi_ctx *vsi; 459 u8 i; 460 461 vsi = ice_get_vsi_ctx(hw, vsi_handle); 462 if (!vsi) 463 return; 464 ice_for_each_traffic_class(i) { 465 if (vsi->lan_q_ctx[i]) { 466 ice_free(hw, vsi->lan_q_ctx[i]); 467 vsi->lan_q_ctx[i] = NULL; 468 } 469 } 470 } 471 472 /** 473 * ice_clear_vsi_ctx - clear the VSI context entry 474 * @hw: pointer to the HW struct 475 * @vsi_handle: VSI handle 476 * 477 * clear the VSI context entry 478 */ 479 static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) 480 { 481 struct ice_vsi_ctx *vsi; 482 483 vsi = ice_get_vsi_ctx(hw, vsi_handle); 484 if (vsi) { 485 if (!LIST_EMPTY(&vsi->rss_list_head)) 486 ice_rem_all_rss_vsi_ctx(hw, vsi_handle); 487 ice_clear_vsi_q_ctx(hw, vsi_handle); 488 ice_destroy_lock(&vsi->rss_locks); 489 ice_free(hw, vsi); 490 hw->vsi_ctx[vsi_handle] = NULL; 491 } 492 } 493 494 /** 495 * ice_clear_all_vsi_ctx - clear all the VSI context entries 496 * @hw: pointer to the HW struct 497 */ 498 void ice_clear_all_vsi_ctx(struct ice_hw *hw) 499 { 500 u16 i; 501 502 for (i = 0; i < ICE_MAX_VSI; i++) 503 ice_clear_vsi_ctx(hw, i); 504 } 505 506 /** 507 * ice_add_vsi - add VSI context to the hardware and VSI handle list 508 * @hw: pointer to the HW struct 509 * @vsi_handle: unique VSI handle provided by drivers 510 * @vsi_ctx: pointer to a VSI context struct 511 * @cd: pointer to command details structure or NULL 512 * 513 * Add a VSI context to the hardware also add it into the VSI handle list. 514 * If this function gets called after reset for existing VSIs then update 515 * with the new HW VSI number in the corresponding VSI handle list entry. 516 */ 517 enum ice_status 518 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 519 struct ice_sq_cd *cd) 520 { 521 struct ice_vsi_ctx *tmp_vsi_ctx; 522 enum ice_status status; 523 524 if (vsi_handle >= ICE_MAX_VSI) 525 return ICE_ERR_PARAM; 526 status = ice_aq_add_vsi(hw, vsi_ctx, cd); 527 if (status) 528 return status; 529 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle); 530 if (!tmp_vsi_ctx) { 531 /* Create a new VSI context */ 532 tmp_vsi_ctx = (struct ice_vsi_ctx *) 533 ice_malloc(hw, sizeof(*tmp_vsi_ctx)); 534 if (!tmp_vsi_ctx) { 535 ice_aq_free_vsi(hw, vsi_ctx, false, cd); 536 return ICE_ERR_NO_MEMORY; 537 } 538 *tmp_vsi_ctx = *vsi_ctx; 539 ice_init_lock(&tmp_vsi_ctx->rss_locks); 540 INIT_LIST_HEAD(&tmp_vsi_ctx->rss_list_head); 541 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx); 542 } else { 543 /* update with new HW VSI num */ 544 if (tmp_vsi_ctx->vsi_num != vsi_ctx->vsi_num) 545 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num; 546 } 547 548 return ICE_SUCCESS; 549 } 550 551 /** 552 * ice_free_vsi- free VSI context from hardware and VSI handle list 553 * @hw: pointer to the HW struct 554 * @vsi_handle: unique VSI handle 555 * @vsi_ctx: pointer to a VSI context struct 556 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources 557 * @cd: pointer to command details structure or NULL 558 * 559 * Free VSI context info from hardware as well as from VSI handle list 560 */ 561 enum ice_status 562 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 563 bool keep_vsi_alloc, struct ice_sq_cd *cd) 564 { 565 enum ice_status status; 566 567 if (!ice_is_vsi_valid(hw, vsi_handle)) 568 return ICE_ERR_PARAM; 569 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); 570 status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd); 571 if (!status) 572 ice_clear_vsi_ctx(hw, vsi_handle); 573 return status; 574 } 575 576 /** 577 * ice_update_vsi 578 * @hw: pointer to the HW struct 579 * @vsi_handle: unique VSI handle 580 * @vsi_ctx: pointer to a VSI context struct 581 * @cd: pointer to command details structure or NULL 582 * 583 * Update VSI context in the hardware 584 */ 585 enum ice_status 586 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 587 struct ice_sq_cd *cd) 588 { 589 if (!ice_is_vsi_valid(hw, vsi_handle)) 590 return ICE_ERR_PARAM; 591 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); 592 return ice_aq_update_vsi(hw, vsi_ctx, cd); 593 } 594 595 /** 596 * ice_aq_get_vsi_params 597 * @hw: pointer to the HW struct 598 * @vsi_ctx: pointer to a VSI context struct 599 * @cd: pointer to command details structure or NULL 600 * 601 * Get VSI context info from hardware (0x0212) 602 */ 603 enum ice_status 604 ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 605 struct ice_sq_cd *cd) 606 { 607 struct ice_aqc_add_get_update_free_vsi *cmd; 608 struct ice_aqc_get_vsi_resp *resp; 609 struct ice_aq_desc desc; 610 enum ice_status status; 611 612 cmd = &desc.params.vsi_cmd; 613 resp = &desc.params.get_vsi_resp; 614 615 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_vsi_params); 616 617 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 618 619 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 620 sizeof(vsi_ctx->info), cd); 621 if (!status) { 622 vsi_ctx->vsi_num = LE16_TO_CPU(resp->vsi_num) & 623 ICE_AQ_VSI_NUM_M; 624 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used); 625 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free); 626 } 627 628 return status; 629 } 630 631 /** 632 * ice_aq_add_update_mir_rule - add/update a mirror rule 633 * @hw: pointer to the HW struct 634 * @rule_type: Rule Type 635 * @dest_vsi: VSI number to which packets will be mirrored 636 * @count: length of the list 637 * @mr_buf: buffer for list of mirrored VSI numbers 638 * @cd: pointer to command details structure or NULL 639 * @rule_id: Rule ID 640 * 641 * Add/Update Mirror Rule (0x260). 642 */ 643 enum ice_status 644 ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi, 645 u16 count, struct ice_mir_rule_buf *mr_buf, 646 struct ice_sq_cd *cd, u16 *rule_id) 647 { 648 struct ice_aqc_add_update_mir_rule *cmd; 649 struct ice_aq_desc desc; 650 enum ice_status status; 651 __le16 *mr_list = NULL; 652 u16 buf_size = 0; 653 654 switch (rule_type) { 655 case ICE_AQC_RULE_TYPE_VPORT_INGRESS: 656 case ICE_AQC_RULE_TYPE_VPORT_EGRESS: 657 /* Make sure count and mr_buf are set for these rule_types */ 658 if (!(count && mr_buf)) 659 return ICE_ERR_PARAM; 660 661 buf_size = count * sizeof(__le16); 662 mr_list = (__le16 *)ice_malloc(hw, buf_size); 663 if (!mr_list) 664 return ICE_ERR_NO_MEMORY; 665 break; 666 case ICE_AQC_RULE_TYPE_PPORT_INGRESS: 667 case ICE_AQC_RULE_TYPE_PPORT_EGRESS: 668 /* Make sure count and mr_buf are not set for these 669 * rule_types 670 */ 671 if (count || mr_buf) 672 return ICE_ERR_PARAM; 673 break; 674 default: 675 ice_debug(hw, ICE_DBG_SW, 676 "Error due to unsupported rule_type %u\n", rule_type); 677 return ICE_ERR_OUT_OF_RANGE; 678 } 679 680 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_update_mir_rule); 681 682 /* Pre-process 'mr_buf' items for add/update of virtual port 683 * ingress/egress mirroring (but not physical port ingress/egress 684 * mirroring) 685 */ 686 if (mr_buf) { 687 int i; 688 689 for (i = 0; i < count; i++) { 690 u16 id; 691 692 id = mr_buf[i].vsi_idx & ICE_AQC_RULE_MIRRORED_VSI_M; 693 694 /* Validate specified VSI number, make sure it is less 695 * than ICE_MAX_VSI, if not return with error. 696 */ 697 if (id >= ICE_MAX_VSI) { 698 ice_debug(hw, ICE_DBG_SW, 699 "Error VSI index (%u) out-of-range\n", 700 id); 701 ice_free(hw, mr_list); 702 return ICE_ERR_OUT_OF_RANGE; 703 } 704 705 /* add VSI to mirror rule */ 706 if (mr_buf[i].add) 707 mr_list[i] = 708 CPU_TO_LE16(id | ICE_AQC_RULE_ACT_M); 709 else /* remove VSI from mirror rule */ 710 mr_list[i] = CPU_TO_LE16(id); 711 } 712 } 713 714 cmd = &desc.params.add_update_rule; 715 if ((*rule_id) != ICE_INVAL_MIRROR_RULE_ID) 716 cmd->rule_id = CPU_TO_LE16(((*rule_id) & ICE_AQC_RULE_ID_M) | 717 ICE_AQC_RULE_ID_VALID_M); 718 cmd->rule_type = CPU_TO_LE16(rule_type & ICE_AQC_RULE_TYPE_M); 719 cmd->num_entries = CPU_TO_LE16(count); 720 cmd->dest = CPU_TO_LE16(dest_vsi); 721 722 status = ice_aq_send_cmd(hw, &desc, mr_list, buf_size, cd); 723 if (!status) 724 *rule_id = LE16_TO_CPU(cmd->rule_id) & ICE_AQC_RULE_ID_M; 725 726 ice_free(hw, mr_list); 727 728 return status; 729 } 730 731 /** 732 * ice_aq_delete_mir_rule - delete a mirror rule 733 * @hw: pointer to the HW struct 734 * @rule_id: Mirror rule ID (to be deleted) 735 * @keep_allocd: if set, the VSI stays part of the PF allocated res, 736 * otherwise it is returned to the shared pool 737 * @cd: pointer to command details structure or NULL 738 * 739 * Delete Mirror Rule (0x261). 740 */ 741 enum ice_status 742 ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd, 743 struct ice_sq_cd *cd) 744 { 745 struct ice_aqc_delete_mir_rule *cmd; 746 struct ice_aq_desc desc; 747 748 /* rule_id should be in the range 0...63 */ 749 if (rule_id >= ICE_MAX_NUM_MIRROR_RULES) 750 return ICE_ERR_OUT_OF_RANGE; 751 752 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_del_mir_rule); 753 754 cmd = &desc.params.del_rule; 755 rule_id |= ICE_AQC_RULE_ID_VALID_M; 756 cmd->rule_id = CPU_TO_LE16(rule_id); 757 758 if (keep_allocd) 759 cmd->flags = CPU_TO_LE16(ICE_AQC_FLAG_KEEP_ALLOCD_M); 760 761 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 762 } 763 764 /** 765 * ice_aq_alloc_free_vsi_list 766 * @hw: pointer to the HW struct 767 * @vsi_list_id: VSI list ID returned or used for lookup 768 * @lkup_type: switch rule filter lookup type 769 * @opc: switch rules population command type - pass in the command opcode 770 * 771 * allocates or free a VSI list resource 772 */ 773 static enum ice_status 774 ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id, 775 enum ice_sw_lkup_type lkup_type, 776 enum ice_adminq_opc opc) 777 { 778 struct ice_aqc_alloc_free_res_elem *sw_buf; 779 struct ice_aqc_res_elem *vsi_ele; 780 enum ice_status status; 781 u16 buf_len; 782 783 buf_len = sizeof(*sw_buf); 784 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 785 ice_malloc(hw, buf_len); 786 if (!sw_buf) 787 return ICE_ERR_NO_MEMORY; 788 sw_buf->num_elems = CPU_TO_LE16(1); 789 790 if (lkup_type == ICE_SW_LKUP_MAC || 791 lkup_type == ICE_SW_LKUP_MAC_VLAN || 792 lkup_type == ICE_SW_LKUP_ETHERTYPE || 793 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 794 lkup_type == ICE_SW_LKUP_PROMISC || 795 lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 796 lkup_type == ICE_SW_LKUP_LAST) { 797 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP); 798 } else if (lkup_type == ICE_SW_LKUP_VLAN) { 799 sw_buf->res_type = 800 CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE); 801 } else { 802 status = ICE_ERR_PARAM; 803 goto ice_aq_alloc_free_vsi_list_exit; 804 } 805 806 if (opc == ice_aqc_opc_free_res) 807 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id); 808 809 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL); 810 if (status) 811 goto ice_aq_alloc_free_vsi_list_exit; 812 813 if (opc == ice_aqc_opc_alloc_res) { 814 vsi_ele = &sw_buf->elem[0]; 815 *vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp); 816 } 817 818 ice_aq_alloc_free_vsi_list_exit: 819 ice_free(hw, sw_buf); 820 return status; 821 } 822 823 /** 824 * ice_aq_set_storm_ctrl - Sets storm control configuration 825 * @hw: pointer to the HW struct 826 * @bcast_thresh: represents the upper threshold for broadcast storm control 827 * @mcast_thresh: represents the upper threshold for multicast storm control 828 * @ctl_bitmask: storm control control knobs 829 * 830 * Sets the storm control configuration (0x0280) 831 */ 832 enum ice_status 833 ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh, 834 u32 ctl_bitmask) 835 { 836 struct ice_aqc_storm_cfg *cmd; 837 struct ice_aq_desc desc; 838 839 cmd = &desc.params.storm_conf; 840 841 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_storm_cfg); 842 843 cmd->bcast_thresh_size = CPU_TO_LE32(bcast_thresh & ICE_AQ_THRESHOLD_M); 844 cmd->mcast_thresh_size = CPU_TO_LE32(mcast_thresh & ICE_AQ_THRESHOLD_M); 845 cmd->storm_ctrl_ctrl = CPU_TO_LE32(ctl_bitmask); 846 847 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); 848 } 849 850 /** 851 * ice_aq_get_storm_ctrl - gets storm control configuration 852 * @hw: pointer to the HW struct 853 * @bcast_thresh: represents the upper threshold for broadcast storm control 854 * @mcast_thresh: represents the upper threshold for multicast storm control 855 * @ctl_bitmask: storm control control knobs 856 * 857 * Gets the storm control configuration (0x0281) 858 */ 859 enum ice_status 860 ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh, 861 u32 *ctl_bitmask) 862 { 863 enum ice_status status; 864 struct ice_aq_desc desc; 865 866 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_storm_cfg); 867 868 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); 869 if (!status) { 870 struct ice_aqc_storm_cfg *resp = &desc.params.storm_conf; 871 872 if (bcast_thresh) 873 *bcast_thresh = LE32_TO_CPU(resp->bcast_thresh_size) & 874 ICE_AQ_THRESHOLD_M; 875 if (mcast_thresh) 876 *mcast_thresh = LE32_TO_CPU(resp->mcast_thresh_size) & 877 ICE_AQ_THRESHOLD_M; 878 if (ctl_bitmask) 879 *ctl_bitmask = LE32_TO_CPU(resp->storm_ctrl_ctrl); 880 } 881 882 return status; 883 } 884 885 /** 886 * ice_aq_sw_rules - add/update/remove switch rules 887 * @hw: pointer to the HW struct 888 * @rule_list: pointer to switch rule population list 889 * @rule_list_sz: total size of the rule list in bytes 890 * @num_rules: number of switch rules in the rule_list 891 * @opc: switch rules population command type - pass in the command opcode 892 * @cd: pointer to command details structure or NULL 893 * 894 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware 895 */ 896 static enum ice_status 897 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 898 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd) 899 { 900 struct ice_aq_desc desc; 901 902 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_sw_rules"); 903 904 if (opc != ice_aqc_opc_add_sw_rules && 905 opc != ice_aqc_opc_update_sw_rules && 906 opc != ice_aqc_opc_remove_sw_rules) 907 return ICE_ERR_PARAM; 908 909 ice_fill_dflt_direct_cmd_desc(&desc, opc); 910 911 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 912 desc.params.sw_rules.num_rules_fltr_entry_index = 913 CPU_TO_LE16(num_rules); 914 return ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd); 915 } 916 917 918 /* ice_init_port_info - Initialize port_info with switch configuration data 919 * @pi: pointer to port_info 920 * @vsi_port_num: VSI number or port number 921 * @type: Type of switch element (port or VSI) 922 * @swid: switch ID of the switch the element is attached to 923 * @pf_vf_num: PF or VF number 924 * @is_vf: true if the element is a VF, false otherwise 925 */ 926 static void 927 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type, 928 u16 swid, u16 pf_vf_num, bool is_vf) 929 { 930 switch (type) { 931 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT: 932 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK); 933 pi->sw_id = swid; 934 pi->pf_vf_num = pf_vf_num; 935 pi->is_vf = is_vf; 936 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL; 937 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL; 938 break; 939 default: 940 ice_debug(pi->hw, ICE_DBG_SW, 941 "incorrect VSI/port type received\n"); 942 break; 943 } 944 } 945 946 /* ice_get_initial_sw_cfg - Get initial port and default VSI data 947 * @hw: pointer to the hardware structure 948 */ 949 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw) 950 { 951 struct ice_aqc_get_sw_cfg_resp *rbuf; 952 enum ice_status status; 953 u16 num_total_ports; 954 u16 req_desc = 0; 955 u16 num_elems; 956 u16 j = 0; 957 u16 i; 958 959 num_total_ports = 1; 960 961 rbuf = (struct ice_aqc_get_sw_cfg_resp *) 962 ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN); 963 964 if (!rbuf) 965 return ICE_ERR_NO_MEMORY; 966 967 /* Multiple calls to ice_aq_get_sw_cfg may be required 968 * to get all the switch configuration information. The need 969 * for additional calls is indicated by ice_aq_get_sw_cfg 970 * writing a non-zero value in req_desc 971 */ 972 do { 973 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN, 974 &req_desc, &num_elems, NULL); 975 976 if (status) 977 break; 978 979 for (i = 0; i < num_elems; i++) { 980 struct ice_aqc_get_sw_cfg_resp_elem *ele; 981 u16 pf_vf_num, swid, vsi_port_num; 982 bool is_vf = false; 983 u8 type; 984 985 ele = rbuf[i].elements; 986 vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) & 987 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M; 988 989 pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) & 990 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M; 991 992 swid = LE16_TO_CPU(ele->swid); 993 994 if (LE16_TO_CPU(ele->pf_vf_num) & 995 ICE_AQC_GET_SW_CONF_RESP_IS_VF) 996 is_vf = true; 997 998 type = LE16_TO_CPU(ele->vsi_port_num) >> 999 ICE_AQC_GET_SW_CONF_RESP_TYPE_S; 1000 1001 switch (type) { 1002 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT: 1003 case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT: 1004 if (j == num_total_ports) { 1005 ice_debug(hw, ICE_DBG_SW, 1006 "more ports than expected\n"); 1007 status = ICE_ERR_CFG; 1008 goto out; 1009 } 1010 ice_init_port_info(hw->port_info, 1011 vsi_port_num, type, swid, 1012 pf_vf_num, is_vf); 1013 j++; 1014 break; 1015 default: 1016 break; 1017 } 1018 } 1019 } while (req_desc && !status); 1020 1021 1022 out: 1023 ice_free(hw, (void *)rbuf); 1024 return status; 1025 } 1026 1027 1028 /** 1029 * ice_fill_sw_info - Helper function to populate lb_en and lan_en 1030 * @hw: pointer to the hardware structure 1031 * @fi: filter info structure to fill/update 1032 * 1033 * This helper function populates the lb_en and lan_en elements of the provided 1034 * ice_fltr_info struct using the switch's type and characteristics of the 1035 * switch rule being configured. 1036 */ 1037 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi) 1038 { 1039 fi->lb_en = false; 1040 fi->lan_en = false; 1041 if ((fi->flag & ICE_FLTR_TX) && 1042 (fi->fltr_act == ICE_FWD_TO_VSI || 1043 fi->fltr_act == ICE_FWD_TO_VSI_LIST || 1044 fi->fltr_act == ICE_FWD_TO_Q || 1045 fi->fltr_act == ICE_FWD_TO_QGRP)) { 1046 /* Setting LB for prune actions will result in replicated 1047 * packets to the internal switch that will be dropped. 1048 */ 1049 if (fi->lkup_type != ICE_SW_LKUP_VLAN) 1050 fi->lb_en = true; 1051 1052 /* Set lan_en to TRUE if 1053 * 1. The switch is a VEB AND 1054 * 2 1055 * 2.1 The lookup is a directional lookup like ethertype, 1056 * promiscuous, ethertype-MAC, promiscuous-VLAN 1057 * and default-port OR 1058 * 2.2 The lookup is VLAN, OR 1059 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR 1060 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC. 1061 * 1062 * OR 1063 * 1064 * The switch is a VEPA. 1065 * 1066 * In all other cases, the LAN enable has to be set to false. 1067 */ 1068 if (hw->evb_veb) { 1069 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE || 1070 fi->lkup_type == ICE_SW_LKUP_PROMISC || 1071 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 1072 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 1073 fi->lkup_type == ICE_SW_LKUP_DFLT || 1074 fi->lkup_type == ICE_SW_LKUP_VLAN || 1075 (fi->lkup_type == ICE_SW_LKUP_MAC && 1076 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) || 1077 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN && 1078 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr))) 1079 fi->lan_en = true; 1080 } else { 1081 fi->lan_en = true; 1082 } 1083 } 1084 } 1085 1086 /** 1087 * ice_ilog2 - Calculates integer log base 2 of a number 1088 * @n: number on which to perform operation 1089 */ 1090 static int ice_ilog2(u64 n) 1091 { 1092 int i; 1093 1094 for (i = 63; i >= 0; i--) 1095 if (((u64)1 << i) & n) 1096 return i; 1097 1098 return -1; 1099 } 1100 1101 1102 /** 1103 * ice_fill_sw_rule - Helper function to fill switch rule structure 1104 * @hw: pointer to the hardware structure 1105 * @f_info: entry containing packet forwarding information 1106 * @s_rule: switch rule structure to be filled in based on mac_entry 1107 * @opc: switch rules population command type - pass in the command opcode 1108 */ 1109 static void 1110 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info, 1111 struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc) 1112 { 1113 u16 vlan_id = ICE_MAX_VLAN_ID + 1; 1114 void *daddr = NULL; 1115 u16 eth_hdr_sz; 1116 u8 *eth_hdr; 1117 u32 act = 0; 1118 __be16 *off; 1119 u8 q_rgn; 1120 1121 1122 if (opc == ice_aqc_opc_remove_sw_rules) { 1123 s_rule->pdata.lkup_tx_rx.act = 0; 1124 s_rule->pdata.lkup_tx_rx.index = 1125 CPU_TO_LE16(f_info->fltr_rule_id); 1126 s_rule->pdata.lkup_tx_rx.hdr_len = 0; 1127 return; 1128 } 1129 1130 eth_hdr_sz = sizeof(dummy_eth_header); 1131 eth_hdr = s_rule->pdata.lkup_tx_rx.hdr; 1132 1133 /* initialize the ether header with a dummy header */ 1134 ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA); 1135 ice_fill_sw_info(hw, f_info); 1136 1137 switch (f_info->fltr_act) { 1138 case ICE_FWD_TO_VSI: 1139 act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) & 1140 ICE_SINGLE_ACT_VSI_ID_M; 1141 if (f_info->lkup_type != ICE_SW_LKUP_VLAN) 1142 act |= ICE_SINGLE_ACT_VSI_FORWARDING | 1143 ICE_SINGLE_ACT_VALID_BIT; 1144 break; 1145 case ICE_FWD_TO_VSI_LIST: 1146 act |= ICE_SINGLE_ACT_VSI_LIST; 1147 act |= (f_info->fwd_id.vsi_list_id << 1148 ICE_SINGLE_ACT_VSI_LIST_ID_S) & 1149 ICE_SINGLE_ACT_VSI_LIST_ID_M; 1150 if (f_info->lkup_type != ICE_SW_LKUP_VLAN) 1151 act |= ICE_SINGLE_ACT_VSI_FORWARDING | 1152 ICE_SINGLE_ACT_VALID_BIT; 1153 break; 1154 case ICE_FWD_TO_Q: 1155 act |= ICE_SINGLE_ACT_TO_Q; 1156 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & 1157 ICE_SINGLE_ACT_Q_INDEX_M; 1158 break; 1159 case ICE_DROP_PACKET: 1160 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP | 1161 ICE_SINGLE_ACT_VALID_BIT; 1162 break; 1163 case ICE_FWD_TO_QGRP: 1164 q_rgn = f_info->qgrp_size > 0 ? 1165 (u8)ice_ilog2(f_info->qgrp_size) : 0; 1166 act |= ICE_SINGLE_ACT_TO_Q; 1167 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & 1168 ICE_SINGLE_ACT_Q_INDEX_M; 1169 act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) & 1170 ICE_SINGLE_ACT_Q_REGION_M; 1171 break; 1172 default: 1173 return; 1174 } 1175 1176 if (f_info->lb_en) 1177 act |= ICE_SINGLE_ACT_LB_ENABLE; 1178 if (f_info->lan_en) 1179 act |= ICE_SINGLE_ACT_LAN_ENABLE; 1180 1181 switch (f_info->lkup_type) { 1182 case ICE_SW_LKUP_MAC: 1183 daddr = f_info->l_data.mac.mac_addr; 1184 break; 1185 case ICE_SW_LKUP_VLAN: 1186 vlan_id = f_info->l_data.vlan.vlan_id; 1187 if (f_info->fltr_act == ICE_FWD_TO_VSI || 1188 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) { 1189 act |= ICE_SINGLE_ACT_PRUNE; 1190 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS; 1191 } 1192 break; 1193 case ICE_SW_LKUP_ETHERTYPE_MAC: 1194 daddr = f_info->l_data.ethertype_mac.mac_addr; 1195 /* fall-through */ 1196 case ICE_SW_LKUP_ETHERTYPE: 1197 off = (__be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET); 1198 *off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype); 1199 break; 1200 case ICE_SW_LKUP_MAC_VLAN: 1201 daddr = f_info->l_data.mac_vlan.mac_addr; 1202 vlan_id = f_info->l_data.mac_vlan.vlan_id; 1203 break; 1204 case ICE_SW_LKUP_PROMISC_VLAN: 1205 vlan_id = f_info->l_data.mac_vlan.vlan_id; 1206 /* fall-through */ 1207 case ICE_SW_LKUP_PROMISC: 1208 daddr = f_info->l_data.mac_vlan.mac_addr; 1209 break; 1210 default: 1211 break; 1212 } 1213 1214 s_rule->type = (f_info->flag & ICE_FLTR_RX) ? 1215 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) : 1216 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX); 1217 1218 /* Recipe set depending on lookup type */ 1219 s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(f_info->lkup_type); 1220 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(f_info->src); 1221 s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act); 1222 1223 if (daddr) 1224 ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN, 1225 ICE_NONDMA_TO_NONDMA); 1226 1227 if (!(vlan_id > ICE_MAX_VLAN_ID)) { 1228 off = (__be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET); 1229 *off = CPU_TO_BE16(vlan_id); 1230 } 1231 1232 /* Create the switch rule with the final dummy Ethernet header */ 1233 if (opc != ice_aqc_opc_update_sw_rules) 1234 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(eth_hdr_sz); 1235 } 1236 1237 /** 1238 * ice_add_marker_act 1239 * @hw: pointer to the hardware structure 1240 * @m_ent: the management entry for which sw marker needs to be added 1241 * @sw_marker: sw marker to tag the Rx descriptor with 1242 * @l_id: large action resource ID 1243 * 1244 * Create a large action to hold software marker and update the switch rule 1245 * entry pointed by m_ent with newly created large action 1246 */ 1247 static enum ice_status 1248 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent, 1249 u16 sw_marker, u16 l_id) 1250 { 1251 struct ice_aqc_sw_rules_elem *lg_act, *rx_tx; 1252 /* For software marker we need 3 large actions 1253 * 1. FWD action: FWD TO VSI or VSI LIST 1254 * 2. GENERIC VALUE action to hold the profile ID 1255 * 3. GENERIC VALUE action to hold the software marker ID 1256 */ 1257 const u16 num_lg_acts = 3; 1258 enum ice_status status; 1259 u16 lg_act_size; 1260 u16 rules_size; 1261 u32 act; 1262 u16 id; 1263 1264 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC) 1265 return ICE_ERR_PARAM; 1266 1267 /* Create two back-to-back switch rules and submit them to the HW using 1268 * one memory buffer: 1269 * 1. Large Action 1270 * 2. Look up Tx Rx 1271 */ 1272 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts); 1273 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE; 1274 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size); 1275 if (!lg_act) 1276 return ICE_ERR_NO_MEMORY; 1277 1278 rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size); 1279 1280 /* Fill in the first switch rule i.e. large action */ 1281 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT); 1282 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id); 1283 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_lg_acts); 1284 1285 /* First action VSI forwarding or VSI list forwarding depending on how 1286 * many VSIs 1287 */ 1288 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id : 1289 m_ent->fltr_info.fwd_id.hw_vsi_id; 1290 1291 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT; 1292 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) & 1293 ICE_LG_ACT_VSI_LIST_ID_M; 1294 if (m_ent->vsi_count > 1) 1295 act |= ICE_LG_ACT_VSI_LIST; 1296 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act); 1297 1298 /* Second action descriptor type */ 1299 act = ICE_LG_ACT_GENERIC; 1300 1301 act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M; 1302 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act); 1303 1304 act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX << 1305 ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M; 1306 1307 /* Third action Marker value */ 1308 act |= ICE_LG_ACT_GENERIC; 1309 act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) & 1310 ICE_LG_ACT_GENERIC_VALUE_M; 1311 1312 lg_act->pdata.lg_act.act[2] = CPU_TO_LE32(act); 1313 1314 /* call the fill switch rule to fill the lookup Tx Rx structure */ 1315 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx, 1316 ice_aqc_opc_update_sw_rules); 1317 1318 /* Update the action to point to the large action ID */ 1319 rx_tx->pdata.lkup_tx_rx.act = 1320 CPU_TO_LE32(ICE_SINGLE_ACT_PTR | 1321 ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) & 1322 ICE_SINGLE_ACT_PTR_VAL_M)); 1323 1324 /* Use the filter rule ID of the previously created rule with single 1325 * act. Once the update happens, hardware will treat this as large 1326 * action 1327 */ 1328 rx_tx->pdata.lkup_tx_rx.index = 1329 CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id); 1330 1331 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2, 1332 ice_aqc_opc_update_sw_rules, NULL); 1333 if (!status) { 1334 m_ent->lg_act_idx = l_id; 1335 m_ent->sw_marker_id = sw_marker; 1336 } 1337 1338 ice_free(hw, lg_act); 1339 return status; 1340 } 1341 1342 /** 1343 * ice_add_counter_act - add/update filter rule with counter action 1344 * @hw: pointer to the hardware structure 1345 * @m_ent: the management entry for which counter needs to be added 1346 * @counter_id: VLAN counter ID returned as part of allocate resource 1347 * @l_id: large action resource ID 1348 */ 1349 static enum ice_status 1350 ice_add_counter_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent, 1351 u16 counter_id, u16 l_id) 1352 { 1353 struct ice_aqc_sw_rules_elem *lg_act; 1354 struct ice_aqc_sw_rules_elem *rx_tx; 1355 enum ice_status status; 1356 /* 2 actions will be added while adding a large action counter */ 1357 const int num_acts = 2; 1358 u16 lg_act_size; 1359 u16 rules_size; 1360 u16 f_rule_id; 1361 u32 act; 1362 u16 id; 1363 1364 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC) 1365 return ICE_ERR_PARAM; 1366 1367 /* Create two back-to-back switch rules and submit them to the HW using 1368 * one memory buffer: 1369 * 1. Large Action 1370 * 2. Look up Tx Rx 1371 */ 1372 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_acts); 1373 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE; 1374 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, 1375 rules_size); 1376 if (!lg_act) 1377 return ICE_ERR_NO_MEMORY; 1378 1379 rx_tx = (struct ice_aqc_sw_rules_elem *) 1380 ((u8 *)lg_act + lg_act_size); 1381 1382 /* Fill in the first switch rule i.e. large action */ 1383 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT); 1384 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id); 1385 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_acts); 1386 1387 /* First action VSI forwarding or VSI list forwarding depending on how 1388 * many VSIs 1389 */ 1390 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id : 1391 m_ent->fltr_info.fwd_id.hw_vsi_id; 1392 1393 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT; 1394 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) & 1395 ICE_LG_ACT_VSI_LIST_ID_M; 1396 if (m_ent->vsi_count > 1) 1397 act |= ICE_LG_ACT_VSI_LIST; 1398 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act); 1399 1400 /* Second action counter ID */ 1401 act = ICE_LG_ACT_STAT_COUNT; 1402 act |= (counter_id << ICE_LG_ACT_STAT_COUNT_S) & 1403 ICE_LG_ACT_STAT_COUNT_M; 1404 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act); 1405 1406 /* call the fill switch rule to fill the lookup Tx Rx structure */ 1407 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx, 1408 ice_aqc_opc_update_sw_rules); 1409 1410 act = ICE_SINGLE_ACT_PTR; 1411 act |= (l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M; 1412 rx_tx->pdata.lkup_tx_rx.act = CPU_TO_LE32(act); 1413 1414 /* Use the filter rule ID of the previously created rule with single 1415 * act. Once the update happens, hardware will treat this as large 1416 * action 1417 */ 1418 f_rule_id = m_ent->fltr_info.fltr_rule_id; 1419 rx_tx->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_rule_id); 1420 1421 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2, 1422 ice_aqc_opc_update_sw_rules, NULL); 1423 if (!status) { 1424 m_ent->lg_act_idx = l_id; 1425 m_ent->counter_index = counter_id; 1426 } 1427 1428 ice_free(hw, lg_act); 1429 return status; 1430 } 1431 1432 /** 1433 * ice_create_vsi_list_map 1434 * @hw: pointer to the hardware structure 1435 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping 1436 * @num_vsi: number of VSI handles in the array 1437 * @vsi_list_id: VSI list ID generated as part of allocate resource 1438 * 1439 * Helper function to create a new entry of VSI list ID to VSI mapping 1440 * using the given VSI list ID 1441 */ 1442 static struct ice_vsi_list_map_info * 1443 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 1444 u16 vsi_list_id) 1445 { 1446 struct ice_switch_info *sw = hw->switch_info; 1447 struct ice_vsi_list_map_info *v_map; 1448 int i; 1449 1450 v_map = (struct ice_vsi_list_map_info *)ice_calloc(hw, 1, 1451 sizeof(*v_map)); 1452 if (!v_map) 1453 return NULL; 1454 1455 v_map->vsi_list_id = vsi_list_id; 1456 v_map->ref_cnt = 1; 1457 for (i = 0; i < num_vsi; i++) 1458 ice_set_bit(vsi_handle_arr[i], v_map->vsi_map); 1459 1460 LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head); 1461 return v_map; 1462 } 1463 1464 /** 1465 * ice_update_vsi_list_rule 1466 * @hw: pointer to the hardware structure 1467 * @vsi_handle_arr: array of VSI handles to form a VSI list 1468 * @num_vsi: number of VSI handles in the array 1469 * @vsi_list_id: VSI list ID generated as part of allocate resource 1470 * @remove: Boolean value to indicate if this is a remove action 1471 * @opc: switch rules population command type - pass in the command opcode 1472 * @lkup_type: lookup type of the filter 1473 * 1474 * Call AQ command to add a new switch rule or update existing switch rule 1475 * using the given VSI list ID 1476 */ 1477 static enum ice_status 1478 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 1479 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc, 1480 enum ice_sw_lkup_type lkup_type) 1481 { 1482 struct ice_aqc_sw_rules_elem *s_rule; 1483 enum ice_status status; 1484 u16 s_rule_size; 1485 u16 type; 1486 int i; 1487 1488 if (!num_vsi) 1489 return ICE_ERR_PARAM; 1490 1491 if (lkup_type == ICE_SW_LKUP_MAC || 1492 lkup_type == ICE_SW_LKUP_MAC_VLAN || 1493 lkup_type == ICE_SW_LKUP_ETHERTYPE || 1494 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 1495 lkup_type == ICE_SW_LKUP_PROMISC || 1496 lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 1497 lkup_type == ICE_SW_LKUP_LAST) 1498 type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR : 1499 ICE_AQC_SW_RULES_T_VSI_LIST_SET; 1500 else if (lkup_type == ICE_SW_LKUP_VLAN) 1501 type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR : 1502 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET; 1503 else 1504 return ICE_ERR_PARAM; 1505 1506 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi); 1507 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 1508 if (!s_rule) 1509 return ICE_ERR_NO_MEMORY; 1510 for (i = 0; i < num_vsi; i++) { 1511 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) { 1512 status = ICE_ERR_PARAM; 1513 goto exit; 1514 } 1515 /* AQ call requires hw_vsi_id(s) */ 1516 s_rule->pdata.vsi_list.vsi[i] = 1517 CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i])); 1518 } 1519 1520 s_rule->type = CPU_TO_LE16(type); 1521 s_rule->pdata.vsi_list.number_vsi = CPU_TO_LE16(num_vsi); 1522 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id); 1523 1524 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL); 1525 1526 exit: 1527 ice_free(hw, s_rule); 1528 return status; 1529 } 1530 1531 /** 1532 * ice_create_vsi_list_rule - Creates and populates a VSI list rule 1533 * @hw: pointer to the HW struct 1534 * @vsi_handle_arr: array of VSI handles to form a VSI list 1535 * @num_vsi: number of VSI handles in the array 1536 * @vsi_list_id: stores the ID of the VSI list to be created 1537 * @lkup_type: switch rule filter's lookup type 1538 */ 1539 static enum ice_status 1540 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 1541 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type) 1542 { 1543 enum ice_status status; 1544 1545 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type, 1546 ice_aqc_opc_alloc_res); 1547 if (status) 1548 return status; 1549 1550 /* Update the newly created VSI list to include the specified VSIs */ 1551 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi, 1552 *vsi_list_id, false, 1553 ice_aqc_opc_add_sw_rules, lkup_type); 1554 } 1555 1556 /** 1557 * ice_create_pkt_fwd_rule 1558 * @hw: pointer to the hardware structure 1559 * @f_entry: entry containing packet forwarding information 1560 * 1561 * Create switch rule with given filter information and add an entry 1562 * to the corresponding filter management list to track this switch rule 1563 * and VSI mapping 1564 */ 1565 static enum ice_status 1566 ice_create_pkt_fwd_rule(struct ice_hw *hw, 1567 struct ice_fltr_list_entry *f_entry) 1568 { 1569 struct ice_fltr_mgmt_list_entry *fm_entry; 1570 struct ice_aqc_sw_rules_elem *s_rule; 1571 enum ice_sw_lkup_type l_type; 1572 struct ice_sw_recipe *recp; 1573 enum ice_status status; 1574 1575 s_rule = (struct ice_aqc_sw_rules_elem *) 1576 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE); 1577 if (!s_rule) 1578 return ICE_ERR_NO_MEMORY; 1579 fm_entry = (struct ice_fltr_mgmt_list_entry *) 1580 ice_malloc(hw, sizeof(*fm_entry)); 1581 if (!fm_entry) { 1582 status = ICE_ERR_NO_MEMORY; 1583 goto ice_create_pkt_fwd_rule_exit; 1584 } 1585 1586 fm_entry->fltr_info = f_entry->fltr_info; 1587 1588 /* Initialize all the fields for the management entry */ 1589 fm_entry->vsi_count = 1; 1590 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX; 1591 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID; 1592 fm_entry->counter_index = ICE_INVAL_COUNTER_ID; 1593 1594 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule, 1595 ice_aqc_opc_add_sw_rules); 1596 1597 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1, 1598 ice_aqc_opc_add_sw_rules, NULL); 1599 if (status) { 1600 ice_free(hw, fm_entry); 1601 goto ice_create_pkt_fwd_rule_exit; 1602 } 1603 1604 f_entry->fltr_info.fltr_rule_id = 1605 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 1606 fm_entry->fltr_info.fltr_rule_id = 1607 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 1608 1609 /* The book keeping entries will get removed when base driver 1610 * calls remove filter AQ command 1611 */ 1612 l_type = fm_entry->fltr_info.lkup_type; 1613 recp = &hw->switch_info->recp_list[l_type]; 1614 LIST_ADD(&fm_entry->list_entry, &recp->filt_rules); 1615 1616 ice_create_pkt_fwd_rule_exit: 1617 ice_free(hw, s_rule); 1618 return status; 1619 } 1620 1621 /** 1622 * ice_update_pkt_fwd_rule 1623 * @hw: pointer to the hardware structure 1624 * @f_info: filter information for switch rule 1625 * 1626 * Call AQ command to update a previously created switch rule with a 1627 * VSI list ID 1628 */ 1629 static enum ice_status 1630 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info) 1631 { 1632 struct ice_aqc_sw_rules_elem *s_rule; 1633 enum ice_status status; 1634 1635 s_rule = (struct ice_aqc_sw_rules_elem *) 1636 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE); 1637 if (!s_rule) 1638 return ICE_ERR_NO_MEMORY; 1639 1640 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules); 1641 1642 s_rule->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_info->fltr_rule_id); 1643 1644 /* Update switch rule with new rule set to forward VSI list */ 1645 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1, 1646 ice_aqc_opc_update_sw_rules, NULL); 1647 1648 ice_free(hw, s_rule); 1649 return status; 1650 } 1651 1652 /** 1653 * ice_update_sw_rule_bridge_mode 1654 * @hw: pointer to the HW struct 1655 * 1656 * Updates unicast switch filter rules based on VEB/VEPA mode 1657 */ 1658 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw) 1659 { 1660 struct ice_switch_info *sw = hw->switch_info; 1661 struct ice_fltr_mgmt_list_entry *fm_entry; 1662 enum ice_status status = ICE_SUCCESS; 1663 struct LIST_HEAD_TYPE *rule_head; 1664 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1665 1666 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; 1667 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; 1668 1669 ice_acquire_lock(rule_lock); 1670 LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry, 1671 list_entry) { 1672 struct ice_fltr_info *fi = &fm_entry->fltr_info; 1673 u8 *addr = fi->l_data.mac.mac_addr; 1674 1675 /* Update unicast Tx rules to reflect the selected 1676 * VEB/VEPA mode 1677 */ 1678 if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) && 1679 (fi->fltr_act == ICE_FWD_TO_VSI || 1680 fi->fltr_act == ICE_FWD_TO_VSI_LIST || 1681 fi->fltr_act == ICE_FWD_TO_Q || 1682 fi->fltr_act == ICE_FWD_TO_QGRP)) { 1683 status = ice_update_pkt_fwd_rule(hw, fi); 1684 if (status) 1685 break; 1686 } 1687 } 1688 1689 ice_release_lock(rule_lock); 1690 1691 return status; 1692 } 1693 1694 /** 1695 * ice_add_update_vsi_list 1696 * @hw: pointer to the hardware structure 1697 * @m_entry: pointer to current filter management list entry 1698 * @cur_fltr: filter information from the book keeping entry 1699 * @new_fltr: filter information with the new VSI to be added 1700 * 1701 * Call AQ command to add or update previously created VSI list with new VSI. 1702 * 1703 * Helper function to do book keeping associated with adding filter information 1704 * The algorithm to do the book keeping is described below : 1705 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.) 1706 * if only one VSI has been added till now 1707 * Allocate a new VSI list and add two VSIs 1708 * to this list using switch rule command 1709 * Update the previously created switch rule with the 1710 * newly created VSI list ID 1711 * if a VSI list was previously created 1712 * Add the new VSI to the previously created VSI list set 1713 * using the update switch rule command 1714 */ 1715 static enum ice_status 1716 ice_add_update_vsi_list(struct ice_hw *hw, 1717 struct ice_fltr_mgmt_list_entry *m_entry, 1718 struct ice_fltr_info *cur_fltr, 1719 struct ice_fltr_info *new_fltr) 1720 { 1721 enum ice_status status = ICE_SUCCESS; 1722 u16 vsi_list_id = 0; 1723 1724 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q || 1725 cur_fltr->fltr_act == ICE_FWD_TO_QGRP)) 1726 return ICE_ERR_NOT_IMPL; 1727 1728 if ((new_fltr->fltr_act == ICE_FWD_TO_Q || 1729 new_fltr->fltr_act == ICE_FWD_TO_QGRP) && 1730 (cur_fltr->fltr_act == ICE_FWD_TO_VSI || 1731 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST)) 1732 return ICE_ERR_NOT_IMPL; 1733 1734 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) { 1735 /* Only one entry existed in the mapping and it was not already 1736 * a part of a VSI list. So, create a VSI list with the old and 1737 * new VSIs. 1738 */ 1739 struct ice_fltr_info tmp_fltr; 1740 u16 vsi_handle_arr[2]; 1741 1742 /* A rule already exists with the new VSI being added */ 1743 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id) 1744 return ICE_ERR_ALREADY_EXISTS; 1745 1746 vsi_handle_arr[0] = cur_fltr->vsi_handle; 1747 vsi_handle_arr[1] = new_fltr->vsi_handle; 1748 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 1749 &vsi_list_id, 1750 new_fltr->lkup_type); 1751 if (status) 1752 return status; 1753 1754 tmp_fltr = *new_fltr; 1755 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id; 1756 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 1757 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 1758 /* Update the previous switch rule of "MAC forward to VSI" to 1759 * "MAC fwd to VSI list" 1760 */ 1761 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 1762 if (status) 1763 return status; 1764 1765 cur_fltr->fwd_id.vsi_list_id = vsi_list_id; 1766 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; 1767 m_entry->vsi_list_info = 1768 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 1769 vsi_list_id); 1770 1771 /* If this entry was large action then the large action needs 1772 * to be updated to point to FWD to VSI list 1773 */ 1774 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) 1775 status = 1776 ice_add_marker_act(hw, m_entry, 1777 m_entry->sw_marker_id, 1778 m_entry->lg_act_idx); 1779 } else { 1780 u16 vsi_handle = new_fltr->vsi_handle; 1781 enum ice_adminq_opc opcode; 1782 1783 if (!m_entry->vsi_list_info) 1784 return ICE_ERR_CFG; 1785 1786 /* A rule already exists with the new VSI being added */ 1787 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle)) 1788 return ICE_SUCCESS; 1789 1790 /* Update the previously created VSI list set with 1791 * the new VSI ID passed in 1792 */ 1793 vsi_list_id = cur_fltr->fwd_id.vsi_list_id; 1794 opcode = ice_aqc_opc_update_sw_rules; 1795 1796 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, 1797 vsi_list_id, false, opcode, 1798 new_fltr->lkup_type); 1799 /* update VSI list mapping info with new VSI ID */ 1800 if (!status) 1801 ice_set_bit(vsi_handle, 1802 m_entry->vsi_list_info->vsi_map); 1803 } 1804 if (!status) 1805 m_entry->vsi_count++; 1806 return status; 1807 } 1808 1809 /** 1810 * ice_find_rule_entry - Search a rule entry 1811 * @hw: pointer to the hardware structure 1812 * @recp_id: lookup type for which the specified rule needs to be searched 1813 * @f_info: rule information 1814 * 1815 * Helper function to search for a given rule entry 1816 * Returns pointer to entry storing the rule if found 1817 */ 1818 static struct ice_fltr_mgmt_list_entry * 1819 ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info) 1820 { 1821 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL; 1822 struct ice_switch_info *sw = hw->switch_info; 1823 struct LIST_HEAD_TYPE *list_head; 1824 1825 list_head = &sw->recp_list[recp_id].filt_rules; 1826 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry, 1827 list_entry) { 1828 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data, 1829 sizeof(f_info->l_data)) && 1830 f_info->flag == list_itr->fltr_info.flag) { 1831 ret = list_itr; 1832 break; 1833 } 1834 } 1835 return ret; 1836 } 1837 1838 /** 1839 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1 1840 * @hw: pointer to the hardware structure 1841 * @recp_id: lookup type for which VSI lists needs to be searched 1842 * @vsi_handle: VSI handle to be found in VSI list 1843 * @vsi_list_id: VSI list ID found containing vsi_handle 1844 * 1845 * Helper function to search a VSI list with single entry containing given VSI 1846 * handle element. This can be extended further to search VSI list with more 1847 * than 1 vsi_count. Returns pointer to VSI list entry if found. 1848 */ 1849 static struct ice_vsi_list_map_info * 1850 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle, 1851 u16 *vsi_list_id) 1852 { 1853 struct ice_vsi_list_map_info *map_info = NULL; 1854 struct ice_switch_info *sw = hw->switch_info; 1855 struct ice_fltr_mgmt_list_entry *list_itr; 1856 struct LIST_HEAD_TYPE *list_head; 1857 1858 list_head = &sw->recp_list[recp_id].filt_rules; 1859 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry, 1860 list_entry) { 1861 if (list_itr->vsi_count == 1 && list_itr->vsi_list_info) { 1862 map_info = list_itr->vsi_list_info; 1863 if (ice_is_bit_set(map_info->vsi_map, vsi_handle)) { 1864 *vsi_list_id = map_info->vsi_list_id; 1865 return map_info; 1866 } 1867 } 1868 } 1869 return NULL; 1870 } 1871 1872 /** 1873 * ice_add_rule_internal - add rule for a given lookup type 1874 * @hw: pointer to the hardware structure 1875 * @recp_id: lookup type (recipe ID) for which rule has to be added 1876 * @f_entry: structure containing MAC forwarding information 1877 * 1878 * Adds or updates the rule lists for a given recipe 1879 */ 1880 static enum ice_status 1881 ice_add_rule_internal(struct ice_hw *hw, u8 recp_id, 1882 struct ice_fltr_list_entry *f_entry) 1883 { 1884 struct ice_switch_info *sw = hw->switch_info; 1885 struct ice_fltr_info *new_fltr, *cur_fltr; 1886 struct ice_fltr_mgmt_list_entry *m_entry; 1887 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1888 enum ice_status status = ICE_SUCCESS; 1889 1890 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 1891 return ICE_ERR_PARAM; 1892 1893 /* Load the hw_vsi_id only if the fwd action is fwd to VSI */ 1894 if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI) 1895 f_entry->fltr_info.fwd_id.hw_vsi_id = 1896 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 1897 1898 rule_lock = &sw->recp_list[recp_id].filt_rule_lock; 1899 1900 ice_acquire_lock(rule_lock); 1901 new_fltr = &f_entry->fltr_info; 1902 if (new_fltr->flag & ICE_FLTR_RX) 1903 new_fltr->src = hw->port_info->lport; 1904 else if (new_fltr->flag & ICE_FLTR_TX) 1905 new_fltr->src = 1906 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 1907 1908 m_entry = ice_find_rule_entry(hw, recp_id, new_fltr); 1909 if (!m_entry) { 1910 ice_release_lock(rule_lock); 1911 return ice_create_pkt_fwd_rule(hw, f_entry); 1912 } 1913 1914 cur_fltr = &m_entry->fltr_info; 1915 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr); 1916 ice_release_lock(rule_lock); 1917 1918 return status; 1919 } 1920 1921 /** 1922 * ice_remove_vsi_list_rule 1923 * @hw: pointer to the hardware structure 1924 * @vsi_list_id: VSI list ID generated as part of allocate resource 1925 * @lkup_type: switch rule filter lookup type 1926 * 1927 * The VSI list should be emptied before this function is called to remove the 1928 * VSI list. 1929 */ 1930 static enum ice_status 1931 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id, 1932 enum ice_sw_lkup_type lkup_type) 1933 { 1934 struct ice_aqc_sw_rules_elem *s_rule; 1935 enum ice_status status; 1936 u16 s_rule_size; 1937 1938 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(0); 1939 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 1940 if (!s_rule) 1941 return ICE_ERR_NO_MEMORY; 1942 1943 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR); 1944 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id); 1945 1946 /* Free the vsi_list resource that we allocated. It is assumed that the 1947 * list is empty at this point. 1948 */ 1949 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type, 1950 ice_aqc_opc_free_res); 1951 1952 ice_free(hw, s_rule); 1953 return status; 1954 } 1955 1956 /** 1957 * ice_rem_update_vsi_list 1958 * @hw: pointer to the hardware structure 1959 * @vsi_handle: VSI handle of the VSI to remove 1960 * @fm_list: filter management entry for which the VSI list management needs to 1961 * be done 1962 */ 1963 static enum ice_status 1964 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle, 1965 struct ice_fltr_mgmt_list_entry *fm_list) 1966 { 1967 enum ice_sw_lkup_type lkup_type; 1968 enum ice_status status = ICE_SUCCESS; 1969 u16 vsi_list_id; 1970 1971 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST || 1972 fm_list->vsi_count == 0) 1973 return ICE_ERR_PARAM; 1974 1975 /* A rule with the VSI being removed does not exist */ 1976 if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle)) 1977 return ICE_ERR_DOES_NOT_EXIST; 1978 1979 lkup_type = fm_list->fltr_info.lkup_type; 1980 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id; 1981 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true, 1982 ice_aqc_opc_update_sw_rules, 1983 lkup_type); 1984 if (status) 1985 return status; 1986 1987 fm_list->vsi_count--; 1988 ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map); 1989 1990 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) { 1991 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info; 1992 struct ice_vsi_list_map_info *vsi_list_info = 1993 fm_list->vsi_list_info; 1994 u16 rem_vsi_handle; 1995 1996 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map, 1997 ICE_MAX_VSI); 1998 if (!ice_is_vsi_valid(hw, rem_vsi_handle)) 1999 return ICE_ERR_OUT_OF_RANGE; 2000 2001 /* Make sure VSI list is empty before removing it below */ 2002 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1, 2003 vsi_list_id, true, 2004 ice_aqc_opc_update_sw_rules, 2005 lkup_type); 2006 if (status) 2007 return status; 2008 2009 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI; 2010 tmp_fltr_info.fwd_id.hw_vsi_id = 2011 ice_get_hw_vsi_num(hw, rem_vsi_handle); 2012 tmp_fltr_info.vsi_handle = rem_vsi_handle; 2013 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info); 2014 if (status) { 2015 ice_debug(hw, ICE_DBG_SW, 2016 "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n", 2017 tmp_fltr_info.fwd_id.hw_vsi_id, status); 2018 return status; 2019 } 2020 2021 fm_list->fltr_info = tmp_fltr_info; 2022 } 2023 2024 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) || 2025 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) { 2026 struct ice_vsi_list_map_info *vsi_list_info = 2027 fm_list->vsi_list_info; 2028 2029 /* Remove the VSI list since it is no longer used */ 2030 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type); 2031 if (status) { 2032 ice_debug(hw, ICE_DBG_SW, 2033 "Failed to remove VSI list %d, error %d\n", 2034 vsi_list_id, status); 2035 return status; 2036 } 2037 2038 LIST_DEL(&vsi_list_info->list_entry); 2039 ice_free(hw, vsi_list_info); 2040 fm_list->vsi_list_info = NULL; 2041 } 2042 2043 return status; 2044 } 2045 2046 /** 2047 * ice_remove_rule_internal - Remove a filter rule of a given type 2048 * 2049 * @hw: pointer to the hardware structure 2050 * @recp_id: recipe ID for which the rule needs to removed 2051 * @f_entry: rule entry containing filter information 2052 */ 2053 static enum ice_status 2054 ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id, 2055 struct ice_fltr_list_entry *f_entry) 2056 { 2057 struct ice_switch_info *sw = hw->switch_info; 2058 struct ice_fltr_mgmt_list_entry *list_elem; 2059 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2060 enum ice_status status = ICE_SUCCESS; 2061 bool remove_rule = false; 2062 u16 vsi_handle; 2063 2064 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 2065 return ICE_ERR_PARAM; 2066 f_entry->fltr_info.fwd_id.hw_vsi_id = 2067 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 2068 2069 rule_lock = &sw->recp_list[recp_id].filt_rule_lock; 2070 ice_acquire_lock(rule_lock); 2071 list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info); 2072 if (!list_elem) { 2073 status = ICE_ERR_DOES_NOT_EXIST; 2074 goto exit; 2075 } 2076 2077 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) { 2078 remove_rule = true; 2079 } else if (!list_elem->vsi_list_info) { 2080 status = ICE_ERR_DOES_NOT_EXIST; 2081 goto exit; 2082 } else if (list_elem->vsi_list_info->ref_cnt > 1) { 2083 /* a ref_cnt > 1 indicates that the vsi_list is being 2084 * shared by multiple rules. Decrement the ref_cnt and 2085 * remove this rule, but do not modify the list, as it 2086 * is in-use by other rules. 2087 */ 2088 list_elem->vsi_list_info->ref_cnt--; 2089 remove_rule = true; 2090 } else { 2091 /* a ref_cnt of 1 indicates the vsi_list is only used 2092 * by one rule. However, the original removal request is only 2093 * for a single VSI. Update the vsi_list first, and only 2094 * remove the rule if there are no further VSIs in this list. 2095 */ 2096 vsi_handle = f_entry->fltr_info.vsi_handle; 2097 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem); 2098 if (status) 2099 goto exit; 2100 /* if VSI count goes to zero after updating the VSI list */ 2101 if (list_elem->vsi_count == 0) 2102 remove_rule = true; 2103 } 2104 2105 if (remove_rule) { 2106 /* Remove the lookup rule */ 2107 struct ice_aqc_sw_rules_elem *s_rule; 2108 2109 s_rule = (struct ice_aqc_sw_rules_elem *) 2110 ice_malloc(hw, ICE_SW_RULE_RX_TX_NO_HDR_SIZE); 2111 if (!s_rule) { 2112 status = ICE_ERR_NO_MEMORY; 2113 goto exit; 2114 } 2115 2116 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule, 2117 ice_aqc_opc_remove_sw_rules); 2118 2119 status = ice_aq_sw_rules(hw, s_rule, 2120 ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1, 2121 ice_aqc_opc_remove_sw_rules, NULL); 2122 if (status) 2123 goto exit; 2124 2125 /* Remove a book keeping from the list */ 2126 ice_free(hw, s_rule); 2127 2128 LIST_DEL(&list_elem->list_entry); 2129 ice_free(hw, list_elem); 2130 } 2131 exit: 2132 ice_release_lock(rule_lock); 2133 return status; 2134 } 2135 2136 /** 2137 * ice_aq_get_res_alloc - get allocated resources 2138 * @hw: pointer to the HW struct 2139 * @num_entries: pointer to u16 to store the number of resource entries returned 2140 * @buf: pointer to user-supplied buffer 2141 * @buf_size: size of buff 2142 * @cd: pointer to command details structure or NULL 2143 * 2144 * The user-supplied buffer must be large enough to store the resource 2145 * information for all resource types. Each resource type is an 2146 * ice_aqc_get_res_resp_data_elem structure. 2147 */ 2148 enum ice_status 2149 ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries, void *buf, 2150 u16 buf_size, struct ice_sq_cd *cd) 2151 { 2152 struct ice_aqc_get_res_alloc *resp; 2153 enum ice_status status; 2154 struct ice_aq_desc desc; 2155 2156 if (!buf) 2157 return ICE_ERR_BAD_PTR; 2158 2159 if (buf_size < ICE_AQ_GET_RES_ALLOC_BUF_LEN) 2160 return ICE_ERR_INVAL_SIZE; 2161 2162 resp = &desc.params.get_res; 2163 2164 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_res_alloc); 2165 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 2166 2167 if (!status && num_entries) 2168 *num_entries = LE16_TO_CPU(resp->resp_elem_num); 2169 2170 return status; 2171 } 2172 2173 /** 2174 * ice_aq_get_res_descs - get allocated resource descriptors 2175 * @hw: pointer to the hardware structure 2176 * @num_entries: number of resource entries in buffer 2177 * @buf: Indirect buffer to hold data parameters and response 2178 * @buf_size: size of buffer for indirect commands 2179 * @res_type: resource type 2180 * @res_shared: is resource shared 2181 * @desc_id: input - first desc ID to start; output - next desc ID 2182 * @cd: pointer to command details structure or NULL 2183 */ 2184 enum ice_status 2185 ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries, 2186 struct ice_aqc_get_allocd_res_desc_resp *buf, 2187 u16 buf_size, u16 res_type, bool res_shared, u16 *desc_id, 2188 struct ice_sq_cd *cd) 2189 { 2190 struct ice_aqc_get_allocd_res_desc *cmd; 2191 struct ice_aq_desc desc; 2192 enum ice_status status; 2193 2194 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_res_descs"); 2195 2196 cmd = &desc.params.get_res_desc; 2197 2198 if (!buf) 2199 return ICE_ERR_PARAM; 2200 2201 if (buf_size != (num_entries * sizeof(*buf))) 2202 return ICE_ERR_PARAM; 2203 2204 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_allocd_res_desc); 2205 2206 cmd->ops.cmd.res = CPU_TO_LE16(((res_type << ICE_AQC_RES_TYPE_S) & 2207 ICE_AQC_RES_TYPE_M) | (res_shared ? 2208 ICE_AQC_RES_TYPE_FLAG_SHARED : 0)); 2209 cmd->ops.cmd.first_desc = CPU_TO_LE16(*desc_id); 2210 2211 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 2212 2213 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 2214 if (!status) 2215 *desc_id = LE16_TO_CPU(cmd->ops.resp.next_desc); 2216 2217 return status; 2218 } 2219 2220 /** 2221 * ice_add_mac - Add a MAC address based filter rule 2222 * @hw: pointer to the hardware structure 2223 * @m_list: list of MAC addresses and forwarding information 2224 * 2225 * IMPORTANT: When the ucast_shared flag is set to false and m_list has 2226 * multiple unicast addresses, the function assumes that all the 2227 * addresses are unique in a given add_mac call. It doesn't 2228 * check for duplicates in this case, removing duplicates from a given 2229 * list should be taken care of in the caller of this function. 2230 */ 2231 enum ice_status 2232 ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list) 2233 { 2234 struct ice_aqc_sw_rules_elem *s_rule, *r_iter; 2235 struct ice_fltr_list_entry *m_list_itr; 2236 struct LIST_HEAD_TYPE *rule_head; 2237 u16 elem_sent, total_elem_left; 2238 struct ice_switch_info *sw; 2239 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2240 enum ice_status status = ICE_SUCCESS; 2241 u16 num_unicast = 0; 2242 u16 s_rule_size; 2243 2244 if (!m_list || !hw) 2245 return ICE_ERR_PARAM; 2246 s_rule = NULL; 2247 sw = hw->switch_info; 2248 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; 2249 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 2250 list_entry) { 2251 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0]; 2252 u16 vsi_handle; 2253 u16 hw_vsi_id; 2254 2255 m_list_itr->fltr_info.flag = ICE_FLTR_TX; 2256 vsi_handle = m_list_itr->fltr_info.vsi_handle; 2257 if (!ice_is_vsi_valid(hw, vsi_handle)) 2258 return ICE_ERR_PARAM; 2259 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2260 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id; 2261 /* update the src in case it is VSI num */ 2262 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI) 2263 return ICE_ERR_PARAM; 2264 m_list_itr->fltr_info.src = hw_vsi_id; 2265 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC || 2266 IS_ZERO_ETHER_ADDR(add)) 2267 return ICE_ERR_PARAM; 2268 if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) { 2269 /* Don't overwrite the unicast address */ 2270 ice_acquire_lock(rule_lock); 2271 if (ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, 2272 &m_list_itr->fltr_info)) { 2273 ice_release_lock(rule_lock); 2274 return ICE_ERR_ALREADY_EXISTS; 2275 } 2276 ice_release_lock(rule_lock); 2277 num_unicast++; 2278 } else if (IS_MULTICAST_ETHER_ADDR(add) || 2279 (IS_UNICAST_ETHER_ADDR(add) && hw->ucast_shared)) { 2280 m_list_itr->status = 2281 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC, 2282 m_list_itr); 2283 if (m_list_itr->status) 2284 return m_list_itr->status; 2285 } 2286 } 2287 2288 ice_acquire_lock(rule_lock); 2289 /* Exit if no suitable entries were found for adding bulk switch rule */ 2290 if (!num_unicast) { 2291 status = ICE_SUCCESS; 2292 goto ice_add_mac_exit; 2293 } 2294 2295 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; 2296 2297 /* Allocate switch rule buffer for the bulk update for unicast */ 2298 s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE; 2299 s_rule = (struct ice_aqc_sw_rules_elem *) 2300 ice_calloc(hw, num_unicast, s_rule_size); 2301 if (!s_rule) { 2302 status = ICE_ERR_NO_MEMORY; 2303 goto ice_add_mac_exit; 2304 } 2305 2306 r_iter = s_rule; 2307 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 2308 list_entry) { 2309 struct ice_fltr_info *f_info = &m_list_itr->fltr_info; 2310 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; 2311 2312 if (IS_UNICAST_ETHER_ADDR(mac_addr)) { 2313 ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter, 2314 ice_aqc_opc_add_sw_rules); 2315 r_iter = (struct ice_aqc_sw_rules_elem *) 2316 ((u8 *)r_iter + s_rule_size); 2317 } 2318 } 2319 2320 /* Call AQ bulk switch rule update for all unicast addresses */ 2321 r_iter = s_rule; 2322 /* Call AQ switch rule in AQ_MAX chunk */ 2323 for (total_elem_left = num_unicast; total_elem_left > 0; 2324 total_elem_left -= elem_sent) { 2325 struct ice_aqc_sw_rules_elem *entry = r_iter; 2326 2327 elem_sent = min(total_elem_left, 2328 (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size)); 2329 status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size, 2330 elem_sent, ice_aqc_opc_add_sw_rules, 2331 NULL); 2332 if (status) 2333 goto ice_add_mac_exit; 2334 r_iter = (struct ice_aqc_sw_rules_elem *) 2335 ((u8 *)r_iter + (elem_sent * s_rule_size)); 2336 } 2337 2338 /* Fill up rule ID based on the value returned from FW */ 2339 r_iter = s_rule; 2340 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 2341 list_entry) { 2342 struct ice_fltr_info *f_info = &m_list_itr->fltr_info; 2343 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; 2344 struct ice_fltr_mgmt_list_entry *fm_entry; 2345 2346 if (IS_UNICAST_ETHER_ADDR(mac_addr)) { 2347 f_info->fltr_rule_id = 2348 LE16_TO_CPU(r_iter->pdata.lkup_tx_rx.index); 2349 f_info->fltr_act = ICE_FWD_TO_VSI; 2350 /* Create an entry to track this MAC address */ 2351 fm_entry = (struct ice_fltr_mgmt_list_entry *) 2352 ice_malloc(hw, sizeof(*fm_entry)); 2353 if (!fm_entry) { 2354 status = ICE_ERR_NO_MEMORY; 2355 goto ice_add_mac_exit; 2356 } 2357 fm_entry->fltr_info = *f_info; 2358 fm_entry->vsi_count = 1; 2359 /* The book keeping entries will get removed when 2360 * base driver calls remove filter AQ command 2361 */ 2362 2363 LIST_ADD(&fm_entry->list_entry, rule_head); 2364 r_iter = (struct ice_aqc_sw_rules_elem *) 2365 ((u8 *)r_iter + s_rule_size); 2366 } 2367 } 2368 2369 ice_add_mac_exit: 2370 ice_release_lock(rule_lock); 2371 if (s_rule) 2372 ice_free(hw, s_rule); 2373 return status; 2374 } 2375 2376 /** 2377 * ice_add_vlan_internal - Add one VLAN based filter rule 2378 * @hw: pointer to the hardware structure 2379 * @f_entry: filter entry containing one VLAN information 2380 */ 2381 static enum ice_status 2382 ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry) 2383 { 2384 struct ice_switch_info *sw = hw->switch_info; 2385 struct ice_fltr_mgmt_list_entry *v_list_itr; 2386 struct ice_fltr_info *new_fltr, *cur_fltr; 2387 enum ice_sw_lkup_type lkup_type; 2388 u16 vsi_list_id = 0, vsi_handle; 2389 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2390 enum ice_status status = ICE_SUCCESS; 2391 2392 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 2393 return ICE_ERR_PARAM; 2394 2395 f_entry->fltr_info.fwd_id.hw_vsi_id = 2396 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 2397 new_fltr = &f_entry->fltr_info; 2398 2399 /* VLAN ID should only be 12 bits */ 2400 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID) 2401 return ICE_ERR_PARAM; 2402 2403 if (new_fltr->src_id != ICE_SRC_ID_VSI) 2404 return ICE_ERR_PARAM; 2405 2406 new_fltr->src = new_fltr->fwd_id.hw_vsi_id; 2407 lkup_type = new_fltr->lkup_type; 2408 vsi_handle = new_fltr->vsi_handle; 2409 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; 2410 ice_acquire_lock(rule_lock); 2411 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr); 2412 if (!v_list_itr) { 2413 struct ice_vsi_list_map_info *map_info = NULL; 2414 2415 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) { 2416 /* All VLAN pruning rules use a VSI list. Check if 2417 * there is already a VSI list containing VSI that we 2418 * want to add. If found, use the same vsi_list_id for 2419 * this new VLAN rule or else create a new list. 2420 */ 2421 map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN, 2422 vsi_handle, 2423 &vsi_list_id); 2424 if (!map_info) { 2425 status = ice_create_vsi_list_rule(hw, 2426 &vsi_handle, 2427 1, 2428 &vsi_list_id, 2429 lkup_type); 2430 if (status) 2431 goto exit; 2432 } 2433 /* Convert the action to forwarding to a VSI list. */ 2434 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; 2435 new_fltr->fwd_id.vsi_list_id = vsi_list_id; 2436 } 2437 2438 status = ice_create_pkt_fwd_rule(hw, f_entry); 2439 if (!status) { 2440 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, 2441 new_fltr); 2442 if (!v_list_itr) { 2443 status = ICE_ERR_DOES_NOT_EXIST; 2444 goto exit; 2445 } 2446 /* reuse VSI list for new rule and increment ref_cnt */ 2447 if (map_info) { 2448 v_list_itr->vsi_list_info = map_info; 2449 map_info->ref_cnt++; 2450 } else { 2451 v_list_itr->vsi_list_info = 2452 ice_create_vsi_list_map(hw, &vsi_handle, 2453 1, vsi_list_id); 2454 } 2455 } 2456 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) { 2457 /* Update existing VSI list to add new VSI ID only if it used 2458 * by one VLAN rule. 2459 */ 2460 cur_fltr = &v_list_itr->fltr_info; 2461 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr, 2462 new_fltr); 2463 } else { 2464 /* If VLAN rule exists and VSI list being used by this rule is 2465 * referenced by more than 1 VLAN rule. Then create a new VSI 2466 * list appending previous VSI with new VSI and update existing 2467 * VLAN rule to point to new VSI list ID 2468 */ 2469 struct ice_fltr_info tmp_fltr; 2470 u16 vsi_handle_arr[2]; 2471 u16 cur_handle; 2472 2473 /* Current implementation only supports reusing VSI list with 2474 * one VSI count. We should never hit below condition 2475 */ 2476 if (v_list_itr->vsi_count > 1 && 2477 v_list_itr->vsi_list_info->ref_cnt > 1) { 2478 ice_debug(hw, ICE_DBG_SW, 2479 "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n"); 2480 status = ICE_ERR_CFG; 2481 goto exit; 2482 } 2483 2484 cur_handle = 2485 ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map, 2486 ICE_MAX_VSI); 2487 2488 /* A rule already exists with the new VSI being added */ 2489 if (cur_handle == vsi_handle) { 2490 status = ICE_ERR_ALREADY_EXISTS; 2491 goto exit; 2492 } 2493 2494 vsi_handle_arr[0] = cur_handle; 2495 vsi_handle_arr[1] = vsi_handle; 2496 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 2497 &vsi_list_id, lkup_type); 2498 if (status) 2499 goto exit; 2500 2501 tmp_fltr = v_list_itr->fltr_info; 2502 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id; 2503 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 2504 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 2505 /* Update the previous switch rule to a new VSI list which 2506 * includes current VSI that is requested 2507 */ 2508 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 2509 if (status) 2510 goto exit; 2511 2512 /* before overriding VSI list map info. decrement ref_cnt of 2513 * previous VSI list 2514 */ 2515 v_list_itr->vsi_list_info->ref_cnt--; 2516 2517 /* now update to newly created list */ 2518 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id; 2519 v_list_itr->vsi_list_info = 2520 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 2521 vsi_list_id); 2522 v_list_itr->vsi_count++; 2523 } 2524 2525 exit: 2526 ice_release_lock(rule_lock); 2527 return status; 2528 } 2529 2530 /** 2531 * ice_add_vlan - Add VLAN based filter rule 2532 * @hw: pointer to the hardware structure 2533 * @v_list: list of VLAN entries and forwarding information 2534 */ 2535 enum ice_status 2536 ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list) 2537 { 2538 struct ice_fltr_list_entry *v_list_itr; 2539 2540 if (!v_list || !hw) 2541 return ICE_ERR_PARAM; 2542 2543 LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry, 2544 list_entry) { 2545 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN) 2546 return ICE_ERR_PARAM; 2547 v_list_itr->fltr_info.flag = ICE_FLTR_TX; 2548 v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr); 2549 if (v_list_itr->status) 2550 return v_list_itr->status; 2551 } 2552 return ICE_SUCCESS; 2553 } 2554 2555 #ifndef NO_MACVLAN_SUPPORT 2556 /** 2557 * ice_add_mac_vlan - Add MAC and VLAN pair based filter rule 2558 * @hw: pointer to the hardware structure 2559 * @mv_list: list of MAC and VLAN filters 2560 * 2561 * If the VSI on which the MAC-VLAN pair has to be added has Rx and Tx VLAN 2562 * pruning bits enabled, then it is the responsibility of the caller to make 2563 * sure to add a VLAN only filter on the same VSI. Packets belonging to that 2564 * VLAN won't be received on that VSI otherwise. 2565 */ 2566 enum ice_status 2567 ice_add_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *mv_list) 2568 { 2569 struct ice_fltr_list_entry *mv_list_itr; 2570 2571 if (!mv_list || !hw) 2572 return ICE_ERR_PARAM; 2573 2574 LIST_FOR_EACH_ENTRY(mv_list_itr, mv_list, ice_fltr_list_entry, 2575 list_entry) { 2576 enum ice_sw_lkup_type l_type = 2577 mv_list_itr->fltr_info.lkup_type; 2578 2579 if (l_type != ICE_SW_LKUP_MAC_VLAN) 2580 return ICE_ERR_PARAM; 2581 mv_list_itr->fltr_info.flag = ICE_FLTR_TX; 2582 mv_list_itr->status = 2583 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN, 2584 mv_list_itr); 2585 if (mv_list_itr->status) 2586 return mv_list_itr->status; 2587 } 2588 return ICE_SUCCESS; 2589 } 2590 #endif 2591 2592 /** 2593 * ice_add_eth_mac - Add ethertype and MAC based filter rule 2594 * @hw: pointer to the hardware structure 2595 * @em_list: list of ether type MAC filter, MAC is optional 2596 */ 2597 enum ice_status 2598 ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list) 2599 { 2600 struct ice_fltr_list_entry *em_list_itr; 2601 2602 LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry, 2603 list_entry) { 2604 enum ice_sw_lkup_type l_type = 2605 em_list_itr->fltr_info.lkup_type; 2606 2607 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC && 2608 l_type != ICE_SW_LKUP_ETHERTYPE) 2609 return ICE_ERR_PARAM; 2610 2611 em_list_itr->fltr_info.flag = ICE_FLTR_TX; 2612 em_list_itr->status = ice_add_rule_internal(hw, l_type, 2613 em_list_itr); 2614 if (em_list_itr->status) 2615 return em_list_itr->status; 2616 } 2617 return ICE_SUCCESS; 2618 } 2619 2620 /** 2621 * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule 2622 * @hw: pointer to the hardware structure 2623 * @em_list: list of ethertype or ethertype MAC entries 2624 */ 2625 enum ice_status 2626 ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list) 2627 { 2628 struct ice_fltr_list_entry *em_list_itr, *tmp; 2629 2630 if (!em_list || !hw) 2631 return ICE_ERR_PARAM; 2632 2633 LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry, 2634 list_entry) { 2635 enum ice_sw_lkup_type l_type = 2636 em_list_itr->fltr_info.lkup_type; 2637 2638 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC && 2639 l_type != ICE_SW_LKUP_ETHERTYPE) 2640 return ICE_ERR_PARAM; 2641 2642 em_list_itr->status = ice_remove_rule_internal(hw, l_type, 2643 em_list_itr); 2644 if (em_list_itr->status) 2645 return em_list_itr->status; 2646 } 2647 return ICE_SUCCESS; 2648 } 2649 2650 2651 /** 2652 * ice_rem_sw_rule_info 2653 * @hw: pointer to the hardware structure 2654 * @rule_head: pointer to the switch list structure that we want to delete 2655 */ 2656 static void 2657 ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head) 2658 { 2659 if (!LIST_EMPTY(rule_head)) { 2660 struct ice_fltr_mgmt_list_entry *entry; 2661 struct ice_fltr_mgmt_list_entry *tmp; 2662 2663 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head, 2664 ice_fltr_mgmt_list_entry, list_entry) { 2665 LIST_DEL(&entry->list_entry); 2666 ice_free(hw, entry); 2667 } 2668 } 2669 } 2670 2671 2672 /** 2673 * ice_rem_all_sw_rules_info 2674 * @hw: pointer to the hardware structure 2675 */ 2676 void ice_rem_all_sw_rules_info(struct ice_hw *hw) 2677 { 2678 struct ice_switch_info *sw = hw->switch_info; 2679 u8 i; 2680 2681 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 2682 struct LIST_HEAD_TYPE *rule_head; 2683 2684 rule_head = &sw->recp_list[i].filt_rules; 2685 if (!sw->recp_list[i].adv_rule) 2686 ice_rem_sw_rule_info(hw, rule_head); 2687 } 2688 } 2689 2690 /** 2691 * ice_cfg_dflt_vsi - change state of VSI to set/clear default 2692 * @pi: pointer to the port_info structure 2693 * @vsi_handle: VSI handle to set as default 2694 * @set: true to add the above mentioned switch rule, false to remove it 2695 * @direction: ICE_FLTR_RX or ICE_FLTR_TX 2696 * 2697 * add filter rule to set/unset given VSI as default VSI for the switch 2698 * (represented by swid) 2699 */ 2700 enum ice_status 2701 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, 2702 u8 direction) 2703 { 2704 struct ice_aqc_sw_rules_elem *s_rule; 2705 struct ice_fltr_info f_info; 2706 struct ice_hw *hw = pi->hw; 2707 enum ice_adminq_opc opcode; 2708 enum ice_status status; 2709 u16 s_rule_size; 2710 u16 hw_vsi_id; 2711 2712 if (!ice_is_vsi_valid(hw, vsi_handle)) 2713 return ICE_ERR_PARAM; 2714 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2715 2716 s_rule_size = set ? ICE_SW_RULE_RX_TX_ETH_HDR_SIZE : 2717 ICE_SW_RULE_RX_TX_NO_HDR_SIZE; 2718 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 2719 if (!s_rule) 2720 return ICE_ERR_NO_MEMORY; 2721 2722 ice_memset(&f_info, 0, sizeof(f_info), ICE_NONDMA_MEM); 2723 2724 f_info.lkup_type = ICE_SW_LKUP_DFLT; 2725 f_info.flag = direction; 2726 f_info.fltr_act = ICE_FWD_TO_VSI; 2727 f_info.fwd_id.hw_vsi_id = hw_vsi_id; 2728 2729 if (f_info.flag & ICE_FLTR_RX) { 2730 f_info.src = pi->lport; 2731 f_info.src_id = ICE_SRC_ID_LPORT; 2732 if (!set) 2733 f_info.fltr_rule_id = 2734 pi->dflt_rx_vsi_rule_id; 2735 } else if (f_info.flag & ICE_FLTR_TX) { 2736 f_info.src_id = ICE_SRC_ID_VSI; 2737 f_info.src = hw_vsi_id; 2738 if (!set) 2739 f_info.fltr_rule_id = 2740 pi->dflt_tx_vsi_rule_id; 2741 } 2742 2743 if (set) 2744 opcode = ice_aqc_opc_add_sw_rules; 2745 else 2746 opcode = ice_aqc_opc_remove_sw_rules; 2747 2748 ice_fill_sw_rule(hw, &f_info, s_rule, opcode); 2749 2750 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opcode, NULL); 2751 if (status || !(f_info.flag & ICE_FLTR_TX_RX)) 2752 goto out; 2753 if (set) { 2754 u16 index = LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 2755 2756 if (f_info.flag & ICE_FLTR_TX) { 2757 pi->dflt_tx_vsi_num = hw_vsi_id; 2758 pi->dflt_tx_vsi_rule_id = index; 2759 } else if (f_info.flag & ICE_FLTR_RX) { 2760 pi->dflt_rx_vsi_num = hw_vsi_id; 2761 pi->dflt_rx_vsi_rule_id = index; 2762 } 2763 } else { 2764 if (f_info.flag & ICE_FLTR_TX) { 2765 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL; 2766 pi->dflt_tx_vsi_rule_id = ICE_INVAL_ACT; 2767 } else if (f_info.flag & ICE_FLTR_RX) { 2768 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL; 2769 pi->dflt_rx_vsi_rule_id = ICE_INVAL_ACT; 2770 } 2771 } 2772 2773 out: 2774 ice_free(hw, s_rule); 2775 return status; 2776 } 2777 2778 /** 2779 * ice_remove_mac - remove a MAC address based filter rule 2780 * @hw: pointer to the hardware structure 2781 * @m_list: list of MAC addresses and forwarding information 2782 * 2783 * This function removes either a MAC filter rule or a specific VSI from a 2784 * VSI list for a multicast MAC address. 2785 * 2786 * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by 2787 * ice_add_mac. Caller should be aware that this call will only work if all 2788 * the entries passed into m_list were added previously. It will not attempt to 2789 * do a partial remove of entries that were found. 2790 */ 2791 enum ice_status 2792 ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list) 2793 { 2794 struct ice_fltr_list_entry *list_itr, *tmp; 2795 2796 if (!m_list) 2797 return ICE_ERR_PARAM; 2798 2799 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry, 2800 list_entry) { 2801 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type; 2802 2803 if (l_type != ICE_SW_LKUP_MAC) 2804 return ICE_ERR_PARAM; 2805 list_itr->status = ice_remove_rule_internal(hw, 2806 ICE_SW_LKUP_MAC, 2807 list_itr); 2808 if (list_itr->status) 2809 return list_itr->status; 2810 } 2811 return ICE_SUCCESS; 2812 } 2813 2814 /** 2815 * ice_remove_vlan - Remove VLAN based filter rule 2816 * @hw: pointer to the hardware structure 2817 * @v_list: list of VLAN entries and forwarding information 2818 */ 2819 enum ice_status 2820 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list) 2821 { 2822 struct ice_fltr_list_entry *v_list_itr, *tmp; 2823 2824 if (!v_list || !hw) 2825 return ICE_ERR_PARAM; 2826 2827 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry, 2828 list_entry) { 2829 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type; 2830 2831 if (l_type != ICE_SW_LKUP_VLAN) 2832 return ICE_ERR_PARAM; 2833 v_list_itr->status = ice_remove_rule_internal(hw, 2834 ICE_SW_LKUP_VLAN, 2835 v_list_itr); 2836 if (v_list_itr->status) 2837 return v_list_itr->status; 2838 } 2839 return ICE_SUCCESS; 2840 } 2841 2842 #ifndef NO_MACVLAN_SUPPORT 2843 /** 2844 * ice_remove_mac_vlan - Remove MAC VLAN based filter rule 2845 * @hw: pointer to the hardware structure 2846 * @v_list: list of MAC VLAN entries and forwarding information 2847 */ 2848 enum ice_status 2849 ice_remove_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list) 2850 { 2851 struct ice_fltr_list_entry *v_list_itr, *tmp; 2852 2853 if (!v_list || !hw) 2854 return ICE_ERR_PARAM; 2855 2856 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry, 2857 list_entry) { 2858 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type; 2859 2860 if (l_type != ICE_SW_LKUP_MAC_VLAN) 2861 return ICE_ERR_PARAM; 2862 v_list_itr->status = 2863 ice_remove_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN, 2864 v_list_itr); 2865 if (v_list_itr->status) 2866 return v_list_itr->status; 2867 } 2868 return ICE_SUCCESS; 2869 } 2870 #endif /* !NO_MACVLAN_SUPPORT */ 2871 2872 /** 2873 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter 2874 * @fm_entry: filter entry to inspect 2875 * @vsi_handle: VSI handle to compare with filter info 2876 */ 2877 static bool 2878 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle) 2879 { 2880 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI && 2881 fm_entry->fltr_info.vsi_handle == vsi_handle) || 2882 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST && 2883 (ice_is_bit_set(fm_entry->vsi_list_info->vsi_map, 2884 vsi_handle)))); 2885 } 2886 2887 /** 2888 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list 2889 * @hw: pointer to the hardware structure 2890 * @vsi_handle: VSI handle to remove filters from 2891 * @vsi_list_head: pointer to the list to add entry to 2892 * @fi: pointer to fltr_info of filter entry to copy & add 2893 * 2894 * Helper function, used when creating a list of filters to remove from 2895 * a specific VSI. The entry added to vsi_list_head is a COPY of the 2896 * original filter entry, with the exception of fltr_info.fltr_act and 2897 * fltr_info.fwd_id fields. These are set such that later logic can 2898 * extract which VSI to remove the fltr from, and pass on that information. 2899 */ 2900 static enum ice_status 2901 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, 2902 struct LIST_HEAD_TYPE *vsi_list_head, 2903 struct ice_fltr_info *fi) 2904 { 2905 struct ice_fltr_list_entry *tmp; 2906 2907 /* this memory is freed up in the caller function 2908 * once filters for this VSI are removed 2909 */ 2910 tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp)); 2911 if (!tmp) 2912 return ICE_ERR_NO_MEMORY; 2913 2914 tmp->fltr_info = *fi; 2915 2916 /* Overwrite these fields to indicate which VSI to remove filter from, 2917 * so find and remove logic can extract the information from the 2918 * list entries. Note that original entries will still have proper 2919 * values. 2920 */ 2921 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 2922 tmp->fltr_info.vsi_handle = vsi_handle; 2923 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2924 2925 LIST_ADD(&tmp->list_entry, vsi_list_head); 2926 2927 return ICE_SUCCESS; 2928 } 2929 2930 /** 2931 * ice_add_to_vsi_fltr_list - Add VSI filters to the list 2932 * @hw: pointer to the hardware structure 2933 * @vsi_handle: VSI handle to remove filters from 2934 * @lkup_list_head: pointer to the list that has certain lookup type filters 2935 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle 2936 * 2937 * Locates all filters in lkup_list_head that are used by the given VSI, 2938 * and adds COPIES of those entries to vsi_list_head (intended to be used 2939 * to remove the listed filters). 2940 * Note that this means all entries in vsi_list_head must be explicitly 2941 * deallocated by the caller when done with list. 2942 */ 2943 static enum ice_status 2944 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, 2945 struct LIST_HEAD_TYPE *lkup_list_head, 2946 struct LIST_HEAD_TYPE *vsi_list_head) 2947 { 2948 struct ice_fltr_mgmt_list_entry *fm_entry; 2949 enum ice_status status = ICE_SUCCESS; 2950 2951 /* check to make sure VSI ID is valid and within boundary */ 2952 if (!ice_is_vsi_valid(hw, vsi_handle)) 2953 return ICE_ERR_PARAM; 2954 2955 LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head, 2956 ice_fltr_mgmt_list_entry, list_entry) { 2957 struct ice_fltr_info *fi; 2958 2959 fi = &fm_entry->fltr_info; 2960 if (!fi || !ice_vsi_uses_fltr(fm_entry, vsi_handle)) 2961 continue; 2962 2963 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, 2964 vsi_list_head, fi); 2965 if (status) 2966 return status; 2967 } 2968 return status; 2969 } 2970 2971 2972 /** 2973 * ice_determine_promisc_mask 2974 * @fi: filter info to parse 2975 * 2976 * Helper function to determine which ICE_PROMISC_ mask corresponds 2977 * to given filter into. 2978 */ 2979 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi) 2980 { 2981 u16 vid = fi->l_data.mac_vlan.vlan_id; 2982 u8 *macaddr = fi->l_data.mac.mac_addr; 2983 bool is_tx_fltr = false; 2984 u8 promisc_mask = 0; 2985 2986 if (fi->flag == ICE_FLTR_TX) 2987 is_tx_fltr = true; 2988 2989 if (IS_BROADCAST_ETHER_ADDR(macaddr)) 2990 promisc_mask |= is_tx_fltr ? 2991 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX; 2992 else if (IS_MULTICAST_ETHER_ADDR(macaddr)) 2993 promisc_mask |= is_tx_fltr ? 2994 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX; 2995 else if (IS_UNICAST_ETHER_ADDR(macaddr)) 2996 promisc_mask |= is_tx_fltr ? 2997 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX; 2998 if (vid) 2999 promisc_mask |= is_tx_fltr ? 3000 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX; 3001 3002 return promisc_mask; 3003 } 3004 3005 /** 3006 * ice_get_vsi_promisc - get promiscuous mode of given VSI 3007 * @hw: pointer to the hardware structure 3008 * @vsi_handle: VSI handle to retrieve info from 3009 * @promisc_mask: pointer to mask to be filled in 3010 * @vid: VLAN ID of promisc VLAN VSI 3011 */ 3012 enum ice_status 3013 ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask, 3014 u16 *vid) 3015 { 3016 struct ice_switch_info *sw = hw->switch_info; 3017 struct ice_fltr_mgmt_list_entry *itr; 3018 struct LIST_HEAD_TYPE *rule_head; 3019 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3020 3021 if (!ice_is_vsi_valid(hw, vsi_handle)) 3022 return ICE_ERR_PARAM; 3023 3024 *vid = 0; 3025 *promisc_mask = 0; 3026 rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rules; 3027 rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rule_lock; 3028 3029 ice_acquire_lock(rule_lock); 3030 LIST_FOR_EACH_ENTRY(itr, rule_head, 3031 ice_fltr_mgmt_list_entry, list_entry) { 3032 /* Continue if this filter doesn't apply to this VSI or the 3033 * VSI ID is not in the VSI map for this filter 3034 */ 3035 if (!ice_vsi_uses_fltr(itr, vsi_handle)) 3036 continue; 3037 3038 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info); 3039 } 3040 ice_release_lock(rule_lock); 3041 3042 return ICE_SUCCESS; 3043 } 3044 3045 /** 3046 * ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI 3047 * @hw: pointer to the hardware structure 3048 * @vsi_handle: VSI handle to retrieve info from 3049 * @promisc_mask: pointer to mask to be filled in 3050 * @vid: VLAN ID of promisc VLAN VSI 3051 */ 3052 enum ice_status 3053 ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask, 3054 u16 *vid) 3055 { 3056 struct ice_switch_info *sw = hw->switch_info; 3057 struct ice_fltr_mgmt_list_entry *itr; 3058 struct LIST_HEAD_TYPE *rule_head; 3059 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3060 3061 if (!ice_is_vsi_valid(hw, vsi_handle)) 3062 return ICE_ERR_PARAM; 3063 3064 *vid = 0; 3065 *promisc_mask = 0; 3066 rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rules; 3067 rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rule_lock; 3068 3069 ice_acquire_lock(rule_lock); 3070 LIST_FOR_EACH_ENTRY(itr, rule_head, ice_fltr_mgmt_list_entry, 3071 list_entry) { 3072 /* Continue if this filter doesn't apply to this VSI or the 3073 * VSI ID is not in the VSI map for this filter 3074 */ 3075 if (!ice_vsi_uses_fltr(itr, vsi_handle)) 3076 continue; 3077 3078 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info); 3079 } 3080 ice_release_lock(rule_lock); 3081 3082 return ICE_SUCCESS; 3083 } 3084 3085 /** 3086 * ice_remove_promisc - Remove promisc based filter rules 3087 * @hw: pointer to the hardware structure 3088 * @recp_id: recipe ID for which the rule needs to removed 3089 * @v_list: list of promisc entries 3090 */ 3091 static enum ice_status 3092 ice_remove_promisc(struct ice_hw *hw, u8 recp_id, 3093 struct LIST_HEAD_TYPE *v_list) 3094 { 3095 struct ice_fltr_list_entry *v_list_itr, *tmp; 3096 3097 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry, 3098 list_entry) { 3099 v_list_itr->status = 3100 ice_remove_rule_internal(hw, recp_id, v_list_itr); 3101 if (v_list_itr->status) 3102 return v_list_itr->status; 3103 } 3104 return ICE_SUCCESS; 3105 } 3106 3107 /** 3108 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI 3109 * @hw: pointer to the hardware structure 3110 * @vsi_handle: VSI handle to clear mode 3111 * @promisc_mask: mask of promiscuous config bits to clear 3112 * @vid: VLAN ID to clear VLAN promiscuous 3113 */ 3114 enum ice_status 3115 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 3116 u16 vid) 3117 { 3118 struct ice_switch_info *sw = hw->switch_info; 3119 struct ice_fltr_list_entry *fm_entry, *tmp; 3120 struct LIST_HEAD_TYPE remove_list_head; 3121 struct ice_fltr_mgmt_list_entry *itr; 3122 struct LIST_HEAD_TYPE *rule_head; 3123 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3124 enum ice_status status = ICE_SUCCESS; 3125 u8 recipe_id; 3126 3127 if (!ice_is_vsi_valid(hw, vsi_handle)) 3128 return ICE_ERR_PARAM; 3129 3130 if (vid) 3131 recipe_id = ICE_SW_LKUP_PROMISC_VLAN; 3132 else 3133 recipe_id = ICE_SW_LKUP_PROMISC; 3134 3135 rule_head = &sw->recp_list[recipe_id].filt_rules; 3136 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock; 3137 3138 INIT_LIST_HEAD(&remove_list_head); 3139 3140 ice_acquire_lock(rule_lock); 3141 LIST_FOR_EACH_ENTRY(itr, rule_head, 3142 ice_fltr_mgmt_list_entry, list_entry) { 3143 u8 fltr_promisc_mask = 0; 3144 3145 if (!ice_vsi_uses_fltr(itr, vsi_handle)) 3146 continue; 3147 3148 fltr_promisc_mask |= 3149 ice_determine_promisc_mask(&itr->fltr_info); 3150 3151 /* Skip if filter is not completely specified by given mask */ 3152 if (fltr_promisc_mask & ~promisc_mask) 3153 continue; 3154 3155 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, 3156 &remove_list_head, 3157 &itr->fltr_info); 3158 if (status) { 3159 ice_release_lock(rule_lock); 3160 goto free_fltr_list; 3161 } 3162 } 3163 ice_release_lock(rule_lock); 3164 3165 status = ice_remove_promisc(hw, recipe_id, &remove_list_head); 3166 3167 free_fltr_list: 3168 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head, 3169 ice_fltr_list_entry, list_entry) { 3170 LIST_DEL(&fm_entry->list_entry); 3171 ice_free(hw, fm_entry); 3172 } 3173 3174 return status; 3175 } 3176 3177 /** 3178 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s) 3179 * @hw: pointer to the hardware structure 3180 * @vsi_handle: VSI handle to configure 3181 * @promisc_mask: mask of promiscuous config bits 3182 * @vid: VLAN ID to set VLAN promiscuous 3183 */ 3184 enum ice_status 3185 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid) 3186 { 3187 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR }; 3188 struct ice_fltr_list_entry f_list_entry; 3189 struct ice_fltr_info new_fltr; 3190 enum ice_status status = ICE_SUCCESS; 3191 bool is_tx_fltr; 3192 u16 hw_vsi_id; 3193 int pkt_type; 3194 u8 recipe_id; 3195 3196 ice_debug(hw, ICE_DBG_TRACE, "ice_set_vsi_promisc\n"); 3197 3198 if (!ice_is_vsi_valid(hw, vsi_handle)) 3199 return ICE_ERR_PARAM; 3200 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 3201 3202 ice_memset(&new_fltr, 0, sizeof(new_fltr), ICE_NONDMA_MEM); 3203 3204 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) { 3205 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN; 3206 new_fltr.l_data.mac_vlan.vlan_id = vid; 3207 recipe_id = ICE_SW_LKUP_PROMISC_VLAN; 3208 } else { 3209 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC; 3210 recipe_id = ICE_SW_LKUP_PROMISC; 3211 } 3212 3213 /* Separate filters must be set for each direction/packet type 3214 * combination, so we will loop over the mask value, store the 3215 * individual type, and clear it out in the input mask as it 3216 * is found. 3217 */ 3218 while (promisc_mask) { 3219 u8 *mac_addr; 3220 3221 pkt_type = 0; 3222 is_tx_fltr = false; 3223 3224 if (promisc_mask & ICE_PROMISC_UCAST_RX) { 3225 promisc_mask &= ~ICE_PROMISC_UCAST_RX; 3226 pkt_type = UCAST_FLTR; 3227 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) { 3228 promisc_mask &= ~ICE_PROMISC_UCAST_TX; 3229 pkt_type = UCAST_FLTR; 3230 is_tx_fltr = true; 3231 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) { 3232 promisc_mask &= ~ICE_PROMISC_MCAST_RX; 3233 pkt_type = MCAST_FLTR; 3234 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) { 3235 promisc_mask &= ~ICE_PROMISC_MCAST_TX; 3236 pkt_type = MCAST_FLTR; 3237 is_tx_fltr = true; 3238 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) { 3239 promisc_mask &= ~ICE_PROMISC_BCAST_RX; 3240 pkt_type = BCAST_FLTR; 3241 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) { 3242 promisc_mask &= ~ICE_PROMISC_BCAST_TX; 3243 pkt_type = BCAST_FLTR; 3244 is_tx_fltr = true; 3245 } 3246 3247 /* Check for VLAN promiscuous flag */ 3248 if (promisc_mask & ICE_PROMISC_VLAN_RX) { 3249 promisc_mask &= ~ICE_PROMISC_VLAN_RX; 3250 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) { 3251 promisc_mask &= ~ICE_PROMISC_VLAN_TX; 3252 is_tx_fltr = true; 3253 } 3254 3255 /* Set filter DA based on packet type */ 3256 mac_addr = new_fltr.l_data.mac.mac_addr; 3257 if (pkt_type == BCAST_FLTR) { 3258 ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM); 3259 } else if (pkt_type == MCAST_FLTR || 3260 pkt_type == UCAST_FLTR) { 3261 /* Use the dummy ether header DA */ 3262 ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN, 3263 ICE_NONDMA_TO_NONDMA); 3264 if (pkt_type == MCAST_FLTR) 3265 mac_addr[0] |= 0x1; /* Set multicast bit */ 3266 } 3267 3268 /* Need to reset this to zero for all iterations */ 3269 new_fltr.flag = 0; 3270 if (is_tx_fltr) { 3271 new_fltr.flag |= ICE_FLTR_TX; 3272 new_fltr.src = hw_vsi_id; 3273 } else { 3274 new_fltr.flag |= ICE_FLTR_RX; 3275 new_fltr.src = hw->port_info->lport; 3276 } 3277 3278 new_fltr.fltr_act = ICE_FWD_TO_VSI; 3279 new_fltr.vsi_handle = vsi_handle; 3280 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id; 3281 f_list_entry.fltr_info = new_fltr; 3282 3283 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry); 3284 if (status != ICE_SUCCESS) 3285 goto set_promisc_exit; 3286 } 3287 3288 set_promisc_exit: 3289 return status; 3290 } 3291 3292 /** 3293 * ice_set_vlan_vsi_promisc 3294 * @hw: pointer to the hardware structure 3295 * @vsi_handle: VSI handle to configure 3296 * @promisc_mask: mask of promiscuous config bits 3297 * @rm_vlan_promisc: Clear VLANs VSI promisc mode 3298 * 3299 * Configure VSI with all associated VLANs to given promiscuous mode(s) 3300 */ 3301 enum ice_status 3302 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 3303 bool rm_vlan_promisc) 3304 { 3305 struct ice_switch_info *sw = hw->switch_info; 3306 struct ice_fltr_list_entry *list_itr, *tmp; 3307 struct LIST_HEAD_TYPE vsi_list_head; 3308 struct LIST_HEAD_TYPE *vlan_head; 3309 struct ice_lock *vlan_lock; /* Lock to protect filter rule list */ 3310 enum ice_status status; 3311 u16 vlan_id; 3312 3313 INIT_LIST_HEAD(&vsi_list_head); 3314 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; 3315 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules; 3316 ice_acquire_lock(vlan_lock); 3317 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head, 3318 &vsi_list_head); 3319 ice_release_lock(vlan_lock); 3320 if (status) 3321 goto free_fltr_list; 3322 3323 LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry, 3324 list_entry) { 3325 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id; 3326 if (rm_vlan_promisc) 3327 status = ice_clear_vsi_promisc(hw, vsi_handle, 3328 promisc_mask, vlan_id); 3329 else 3330 status = ice_set_vsi_promisc(hw, vsi_handle, 3331 promisc_mask, vlan_id); 3332 if (status) 3333 break; 3334 } 3335 3336 free_fltr_list: 3337 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head, 3338 ice_fltr_list_entry, list_entry) { 3339 LIST_DEL(&list_itr->list_entry); 3340 ice_free(hw, list_itr); 3341 } 3342 return status; 3343 } 3344 3345 /** 3346 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI 3347 * @hw: pointer to the hardware structure 3348 * @vsi_handle: VSI handle to remove filters from 3349 * @lkup: switch rule filter lookup type 3350 */ 3351 static void 3352 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle, 3353 enum ice_sw_lkup_type lkup) 3354 { 3355 struct ice_switch_info *sw = hw->switch_info; 3356 struct ice_fltr_list_entry *fm_entry; 3357 struct LIST_HEAD_TYPE remove_list_head; 3358 struct LIST_HEAD_TYPE *rule_head; 3359 struct ice_fltr_list_entry *tmp; 3360 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3361 enum ice_status status; 3362 3363 INIT_LIST_HEAD(&remove_list_head); 3364 rule_lock = &sw->recp_list[lkup].filt_rule_lock; 3365 rule_head = &sw->recp_list[lkup].filt_rules; 3366 ice_acquire_lock(rule_lock); 3367 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head, 3368 &remove_list_head); 3369 ice_release_lock(rule_lock); 3370 if (status) 3371 return; 3372 3373 switch (lkup) { 3374 case ICE_SW_LKUP_MAC: 3375 ice_remove_mac(hw, &remove_list_head); 3376 break; 3377 case ICE_SW_LKUP_VLAN: 3378 ice_remove_vlan(hw, &remove_list_head); 3379 break; 3380 case ICE_SW_LKUP_PROMISC: 3381 case ICE_SW_LKUP_PROMISC_VLAN: 3382 ice_remove_promisc(hw, lkup, &remove_list_head); 3383 break; 3384 case ICE_SW_LKUP_MAC_VLAN: 3385 #ifndef NO_MACVLAN_SUPPORT 3386 ice_remove_mac_vlan(hw, &remove_list_head); 3387 #else 3388 ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n"); 3389 #endif /* !NO_MACVLAN_SUPPORT */ 3390 break; 3391 case ICE_SW_LKUP_ETHERTYPE: 3392 case ICE_SW_LKUP_ETHERTYPE_MAC: 3393 ice_remove_eth_mac(hw, &remove_list_head); 3394 break; 3395 case ICE_SW_LKUP_DFLT: 3396 ice_debug(hw, ICE_DBG_SW, 3397 "Remove filters for this lookup type hasn't been implemented yet\n"); 3398 break; 3399 case ICE_SW_LKUP_LAST: 3400 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n"); 3401 break; 3402 } 3403 3404 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head, 3405 ice_fltr_list_entry, list_entry) { 3406 LIST_DEL(&fm_entry->list_entry); 3407 ice_free(hw, fm_entry); 3408 } 3409 } 3410 3411 /** 3412 * ice_remove_vsi_fltr - Remove all filters for a VSI 3413 * @hw: pointer to the hardware structure 3414 * @vsi_handle: VSI handle to remove filters from 3415 */ 3416 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle) 3417 { 3418 ice_debug(hw, ICE_DBG_TRACE, "ice_remove_vsi_fltr\n"); 3419 3420 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC); 3421 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN); 3422 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC); 3423 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN); 3424 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT); 3425 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE); 3426 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC); 3427 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN); 3428 } 3429 3430 /** 3431 * ice_alloc_res_cntr - allocating resource counter 3432 * @hw: pointer to the hardware structure 3433 * @type: type of resource 3434 * @alloc_shared: if set it is shared else dedicated 3435 * @num_items: number of entries requested for FD resource type 3436 * @counter_id: counter index returned by AQ call 3437 */ 3438 enum ice_status 3439 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 3440 u16 *counter_id) 3441 { 3442 struct ice_aqc_alloc_free_res_elem *buf; 3443 enum ice_status status; 3444 u16 buf_len; 3445 3446 /* Allocate resource */ 3447 buf_len = sizeof(*buf); 3448 buf = (struct ice_aqc_alloc_free_res_elem *) 3449 ice_malloc(hw, buf_len); 3450 if (!buf) 3451 return ICE_ERR_NO_MEMORY; 3452 3453 buf->num_elems = CPU_TO_LE16(num_items); 3454 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) & 3455 ICE_AQC_RES_TYPE_M) | alloc_shared); 3456 3457 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, 3458 ice_aqc_opc_alloc_res, NULL); 3459 if (status) 3460 goto exit; 3461 3462 *counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp); 3463 3464 exit: 3465 ice_free(hw, buf); 3466 return status; 3467 } 3468 3469 /** 3470 * ice_free_res_cntr - free resource counter 3471 * @hw: pointer to the hardware structure 3472 * @type: type of resource 3473 * @alloc_shared: if set it is shared else dedicated 3474 * @num_items: number of entries to be freed for FD resource type 3475 * @counter_id: counter ID resource which needs to be freed 3476 */ 3477 enum ice_status 3478 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 3479 u16 counter_id) 3480 { 3481 struct ice_aqc_alloc_free_res_elem *buf; 3482 enum ice_status status; 3483 u16 buf_len; 3484 3485 /* Free resource */ 3486 buf_len = sizeof(*buf); 3487 buf = (struct ice_aqc_alloc_free_res_elem *) 3488 ice_malloc(hw, buf_len); 3489 if (!buf) 3490 return ICE_ERR_NO_MEMORY; 3491 3492 buf->num_elems = CPU_TO_LE16(num_items); 3493 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) & 3494 ICE_AQC_RES_TYPE_M) | alloc_shared); 3495 buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id); 3496 3497 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, 3498 ice_aqc_opc_free_res, NULL); 3499 if (status) 3500 ice_debug(hw, ICE_DBG_SW, 3501 "counter resource could not be freed\n"); 3502 3503 ice_free(hw, buf); 3504 return status; 3505 } 3506 3507 /** 3508 * ice_alloc_vlan_res_counter - obtain counter resource for VLAN type 3509 * @hw: pointer to the hardware structure 3510 * @counter_id: returns counter index 3511 */ 3512 enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id) 3513 { 3514 return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER, 3515 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, 3516 counter_id); 3517 } 3518 3519 /** 3520 * ice_free_vlan_res_counter - Free counter resource for VLAN type 3521 * @hw: pointer to the hardware structure 3522 * @counter_id: counter index to be freed 3523 */ 3524 enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id) 3525 { 3526 return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER, 3527 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, 3528 counter_id); 3529 } 3530 3531 /** 3532 * ice_alloc_res_lg_act - add large action resource 3533 * @hw: pointer to the hardware structure 3534 * @l_id: large action ID to fill it in 3535 * @num_acts: number of actions to hold with a large action entry 3536 */ 3537 static enum ice_status 3538 ice_alloc_res_lg_act(struct ice_hw *hw, u16 *l_id, u16 num_acts) 3539 { 3540 struct ice_aqc_alloc_free_res_elem *sw_buf; 3541 enum ice_status status; 3542 u16 buf_len; 3543 3544 if (num_acts > ICE_MAX_LG_ACT || num_acts == 0) 3545 return ICE_ERR_PARAM; 3546 3547 /* Allocate resource for large action */ 3548 buf_len = sizeof(*sw_buf); 3549 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 3550 ice_malloc(hw, buf_len); 3551 if (!sw_buf) 3552 return ICE_ERR_NO_MEMORY; 3553 3554 sw_buf->num_elems = CPU_TO_LE16(1); 3555 3556 /* If num_acts is 1, use ICE_AQC_RES_TYPE_WIDE_TABLE_1. 3557 * If num_acts is 2, use ICE_AQC_RES_TYPE_WIDE_TABLE_3. 3558 * If num_acts is greater than 2, then use 3559 * ICE_AQC_RES_TYPE_WIDE_TABLE_4. 3560 * The num_acts cannot exceed 4. This was ensured at the 3561 * beginning of the function. 3562 */ 3563 if (num_acts == 1) 3564 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_1); 3565 else if (num_acts == 2) 3566 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_2); 3567 else 3568 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_4); 3569 3570 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, 3571 ice_aqc_opc_alloc_res, NULL); 3572 if (!status) 3573 *l_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp); 3574 3575 ice_free(hw, sw_buf); 3576 return status; 3577 } 3578 3579 /** 3580 * ice_add_mac_with_sw_marker - add filter with sw marker 3581 * @hw: pointer to the hardware structure 3582 * @f_info: filter info structure containing the MAC filter information 3583 * @sw_marker: sw marker to tag the Rx descriptor with 3584 */ 3585 enum ice_status 3586 ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info, 3587 u16 sw_marker) 3588 { 3589 struct ice_switch_info *sw = hw->switch_info; 3590 struct ice_fltr_mgmt_list_entry *m_entry; 3591 struct ice_fltr_list_entry fl_info; 3592 struct LIST_HEAD_TYPE l_head; 3593 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3594 enum ice_status ret; 3595 bool entry_exists; 3596 u16 lg_act_id; 3597 3598 if (f_info->fltr_act != ICE_FWD_TO_VSI) 3599 return ICE_ERR_PARAM; 3600 3601 if (f_info->lkup_type != ICE_SW_LKUP_MAC) 3602 return ICE_ERR_PARAM; 3603 3604 if (sw_marker == ICE_INVAL_SW_MARKER_ID) 3605 return ICE_ERR_PARAM; 3606 3607 if (!ice_is_vsi_valid(hw, f_info->vsi_handle)) 3608 return ICE_ERR_PARAM; 3609 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle); 3610 3611 /* Add filter if it doesn't exist so then the adding of large 3612 * action always results in update 3613 */ 3614 3615 INIT_LIST_HEAD(&l_head); 3616 fl_info.fltr_info = *f_info; 3617 LIST_ADD(&fl_info.list_entry, &l_head); 3618 3619 entry_exists = false; 3620 ret = ice_add_mac(hw, &l_head); 3621 if (ret == ICE_ERR_ALREADY_EXISTS) 3622 entry_exists = true; 3623 else if (ret) 3624 return ret; 3625 3626 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; 3627 ice_acquire_lock(rule_lock); 3628 /* Get the book keeping entry for the filter */ 3629 m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info); 3630 if (!m_entry) 3631 goto exit_error; 3632 3633 /* If counter action was enabled for this rule then don't enable 3634 * sw marker large action 3635 */ 3636 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) { 3637 ret = ICE_ERR_PARAM; 3638 goto exit_error; 3639 } 3640 3641 /* if same marker was added before */ 3642 if (m_entry->sw_marker_id == sw_marker) { 3643 ret = ICE_ERR_ALREADY_EXISTS; 3644 goto exit_error; 3645 } 3646 3647 /* Allocate a hardware table entry to hold large act. Three actions 3648 * for marker based large action 3649 */ 3650 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 3); 3651 if (ret) 3652 goto exit_error; 3653 3654 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX) 3655 goto exit_error; 3656 3657 /* Update the switch rule to add the marker action */ 3658 ret = ice_add_marker_act(hw, m_entry, sw_marker, lg_act_id); 3659 if (!ret) { 3660 ice_release_lock(rule_lock); 3661 return ret; 3662 } 3663 3664 exit_error: 3665 ice_release_lock(rule_lock); 3666 /* only remove entry if it did not exist previously */ 3667 if (!entry_exists) 3668 ret = ice_remove_mac(hw, &l_head); 3669 3670 return ret; 3671 } 3672 3673 /** 3674 * ice_add_mac_with_counter - add filter with counter enabled 3675 * @hw: pointer to the hardware structure 3676 * @f_info: pointer to filter info structure containing the MAC filter 3677 * information 3678 */ 3679 enum ice_status 3680 ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info) 3681 { 3682 struct ice_switch_info *sw = hw->switch_info; 3683 struct ice_fltr_mgmt_list_entry *m_entry; 3684 struct ice_fltr_list_entry fl_info; 3685 struct LIST_HEAD_TYPE l_head; 3686 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3687 enum ice_status ret; 3688 bool entry_exist; 3689 u16 counter_id; 3690 u16 lg_act_id; 3691 3692 if (f_info->fltr_act != ICE_FWD_TO_VSI) 3693 return ICE_ERR_PARAM; 3694 3695 if (f_info->lkup_type != ICE_SW_LKUP_MAC) 3696 return ICE_ERR_PARAM; 3697 3698 if (!ice_is_vsi_valid(hw, f_info->vsi_handle)) 3699 return ICE_ERR_PARAM; 3700 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle); 3701 3702 entry_exist = false; 3703 3704 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; 3705 3706 /* Add filter if it doesn't exist so then the adding of large 3707 * action always results in update 3708 */ 3709 INIT_LIST_HEAD(&l_head); 3710 3711 fl_info.fltr_info = *f_info; 3712 LIST_ADD(&fl_info.list_entry, &l_head); 3713 3714 ret = ice_add_mac(hw, &l_head); 3715 if (ret == ICE_ERR_ALREADY_EXISTS) 3716 entry_exist = true; 3717 else if (ret) 3718 return ret; 3719 3720 ice_acquire_lock(rule_lock); 3721 m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info); 3722 if (!m_entry) { 3723 ret = ICE_ERR_BAD_PTR; 3724 goto exit_error; 3725 } 3726 3727 /* Don't enable counter for a filter for which sw marker was enabled */ 3728 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) { 3729 ret = ICE_ERR_PARAM; 3730 goto exit_error; 3731 } 3732 3733 /* If a counter was already enabled then don't need to add again */ 3734 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) { 3735 ret = ICE_ERR_ALREADY_EXISTS; 3736 goto exit_error; 3737 } 3738 3739 /* Allocate a hardware table entry to VLAN counter */ 3740 ret = ice_alloc_vlan_res_counter(hw, &counter_id); 3741 if (ret) 3742 goto exit_error; 3743 3744 /* Allocate a hardware table entry to hold large act. Two actions for 3745 * counter based large action 3746 */ 3747 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 2); 3748 if (ret) 3749 goto exit_error; 3750 3751 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX) 3752 goto exit_error; 3753 3754 /* Update the switch rule to add the counter action */ 3755 ret = ice_add_counter_act(hw, m_entry, counter_id, lg_act_id); 3756 if (!ret) { 3757 ice_release_lock(rule_lock); 3758 return ret; 3759 } 3760 3761 exit_error: 3762 ice_release_lock(rule_lock); 3763 /* only remove entry if it did not exist previously */ 3764 if (!entry_exist) 3765 ret = ice_remove_mac(hw, &l_head); 3766 3767 return ret; 3768 } 3769 3770 /** 3771 * ice_replay_fltr - Replay all the filters stored by a specific list head 3772 * @hw: pointer to the hardware structure 3773 * @list_head: list for which filters needs to be replayed 3774 * @recp_id: Recipe ID for which rules need to be replayed 3775 */ 3776 static enum ice_status 3777 ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head) 3778 { 3779 struct ice_fltr_mgmt_list_entry *itr; 3780 struct LIST_HEAD_TYPE l_head; 3781 enum ice_status status = ICE_SUCCESS; 3782 3783 if (LIST_EMPTY(list_head)) 3784 return status; 3785 3786 /* Move entries from the given list_head to a temporary l_head so that 3787 * they can be replayed. Otherwise when trying to re-add the same 3788 * filter, the function will return already exists 3789 */ 3790 LIST_REPLACE_INIT(list_head, &l_head); 3791 3792 /* Mark the given list_head empty by reinitializing it so filters 3793 * could be added again by *handler 3794 */ 3795 LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry, 3796 list_entry) { 3797 struct ice_fltr_list_entry f_entry; 3798 3799 f_entry.fltr_info = itr->fltr_info; 3800 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) { 3801 status = ice_add_rule_internal(hw, recp_id, &f_entry); 3802 if (status != ICE_SUCCESS) 3803 goto end; 3804 continue; 3805 } 3806 3807 /* Add a filter per VSI separately */ 3808 while (1) { 3809 u16 vsi_handle; 3810 3811 vsi_handle = 3812 ice_find_first_bit(itr->vsi_list_info->vsi_map, 3813 ICE_MAX_VSI); 3814 if (!ice_is_vsi_valid(hw, vsi_handle)) 3815 break; 3816 3817 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map); 3818 f_entry.fltr_info.vsi_handle = vsi_handle; 3819 f_entry.fltr_info.fwd_id.hw_vsi_id = 3820 ice_get_hw_vsi_num(hw, vsi_handle); 3821 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; 3822 if (recp_id == ICE_SW_LKUP_VLAN) 3823 status = ice_add_vlan_internal(hw, &f_entry); 3824 else 3825 status = ice_add_rule_internal(hw, recp_id, 3826 &f_entry); 3827 if (status != ICE_SUCCESS) 3828 goto end; 3829 } 3830 } 3831 end: 3832 /* Clear the filter management list */ 3833 ice_rem_sw_rule_info(hw, &l_head); 3834 return status; 3835 } 3836 3837 /** 3838 * ice_replay_all_fltr - replay all filters stored in bookkeeping lists 3839 * @hw: pointer to the hardware structure 3840 * 3841 * NOTE: This function does not clean up partially added filters on error. 3842 * It is up to caller of the function to issue a reset or fail early. 3843 */ 3844 enum ice_status ice_replay_all_fltr(struct ice_hw *hw) 3845 { 3846 struct ice_switch_info *sw = hw->switch_info; 3847 enum ice_status status = ICE_SUCCESS; 3848 u8 i; 3849 3850 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 3851 struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules; 3852 3853 status = ice_replay_fltr(hw, i, head); 3854 if (status != ICE_SUCCESS) 3855 return status; 3856 } 3857 return status; 3858 } 3859 3860 /** 3861 * ice_replay_vsi_fltr - Replay filters for requested VSI 3862 * @hw: pointer to the hardware structure 3863 * @vsi_handle: driver VSI handle 3864 * @recp_id: Recipe ID for which rules need to be replayed 3865 * @list_head: list for which filters need to be replayed 3866 * 3867 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle. 3868 * It is required to pass valid VSI handle. 3869 */ 3870 static enum ice_status 3871 ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id, 3872 struct LIST_HEAD_TYPE *list_head) 3873 { 3874 struct ice_fltr_mgmt_list_entry *itr; 3875 enum ice_status status = ICE_SUCCESS; 3876 u16 hw_vsi_id; 3877 3878 if (LIST_EMPTY(list_head)) 3879 return status; 3880 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 3881 3882 LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry, 3883 list_entry) { 3884 struct ice_fltr_list_entry f_entry; 3885 3886 f_entry.fltr_info = itr->fltr_info; 3887 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN && 3888 itr->fltr_info.vsi_handle == vsi_handle) { 3889 /* update the src in case it is VSI num */ 3890 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) 3891 f_entry.fltr_info.src = hw_vsi_id; 3892 status = ice_add_rule_internal(hw, recp_id, &f_entry); 3893 if (status != ICE_SUCCESS) 3894 goto end; 3895 continue; 3896 } 3897 if (!itr->vsi_list_info || 3898 !ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle)) 3899 continue; 3900 /* Clearing it so that the logic can add it back */ 3901 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map); 3902 f_entry.fltr_info.vsi_handle = vsi_handle; 3903 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; 3904 /* update the src in case it is VSI num */ 3905 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) 3906 f_entry.fltr_info.src = hw_vsi_id; 3907 if (recp_id == ICE_SW_LKUP_VLAN) 3908 status = ice_add_vlan_internal(hw, &f_entry); 3909 else 3910 status = ice_add_rule_internal(hw, recp_id, &f_entry); 3911 if (status != ICE_SUCCESS) 3912 goto end; 3913 } 3914 end: 3915 return status; 3916 } 3917 3918 3919 /** 3920 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists 3921 * @hw: pointer to the hardware structure 3922 * @vsi_handle: driver VSI handle 3923 * 3924 * Replays filters for requested VSI via vsi_handle. 3925 */ 3926 enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle) 3927 { 3928 struct ice_switch_info *sw = hw->switch_info; 3929 enum ice_status status = ICE_SUCCESS; 3930 u8 i; 3931 3932 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 3933 /* Update the default recipe lines and ones that were created */ 3934 if (i < ICE_MAX_NUM_RECIPES || sw->recp_list[i].recp_created) { 3935 struct LIST_HEAD_TYPE *head; 3936 3937 head = &sw->recp_list[i].filt_replay_rules; 3938 if (!sw->recp_list[i].adv_rule) 3939 status = ice_replay_vsi_fltr(hw, vsi_handle, i, 3940 head); 3941 if (status != ICE_SUCCESS) 3942 return status; 3943 } 3944 } 3945 return status; 3946 } 3947 3948 /** 3949 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules 3950 * @hw: pointer to the HW struct 3951 * 3952 * Deletes the filter replay rules. 3953 */ 3954 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw) 3955 { 3956 struct ice_switch_info *sw = hw->switch_info; 3957 u8 i; 3958 3959 if (!sw) 3960 return; 3961 3962 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 3963 if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) { 3964 struct LIST_HEAD_TYPE *l_head; 3965 3966 l_head = &sw->recp_list[i].filt_replay_rules; 3967 if (!sw->recp_list[i].adv_rule) 3968 ice_rem_sw_rule_info(hw, l_head); 3969 } 3970 } 3971 } 3972