1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright (c) 2020, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the Intel Corporation nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /*$FreeBSD$*/ 32 33 #include "ice_switch.h" 34 #include "ice_flex_type.h" 35 #include "ice_flow.h" 36 37 #define ICE_ETH_DA_OFFSET 0 38 #define ICE_ETH_ETHTYPE_OFFSET 12 39 #define ICE_ETH_VLAN_TCI_OFFSET 14 40 #define ICE_MAX_VLAN_ID 0xFFF 41 42 /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem 43 * struct to configure any switch filter rules. 44 * {DA (6 bytes), SA(6 bytes), 45 * Ether type (2 bytes for header without VLAN tag) OR 46 * VLAN tag (4 bytes for header with VLAN tag) } 47 * 48 * Word on Hardcoded values 49 * byte 0 = 0x2: to identify it as locally administered DA MAC 50 * byte 6 = 0x2: to identify it as locally administered SA MAC 51 * byte 12 = 0x81 & byte 13 = 0x00: 52 * In case of VLAN filter first two bytes defines ether type (0x8100) 53 * and remaining two bytes are placeholder for programming a given VLAN ID 54 * In case of Ether type filter it is treated as header without VLAN tag 55 * and byte 12 and 13 is used to program a given Ether type instead 56 */ 57 #define DUMMY_ETH_HDR_LEN 16 58 static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0, 59 0x2, 0, 0, 0, 0, 0, 60 0x81, 0, 0, 0}; 61 62 #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \ 63 (sizeof(struct ice_aqc_sw_rules_elem) - \ 64 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 65 sizeof(struct ice_sw_rule_lkup_rx_tx) + DUMMY_ETH_HDR_LEN - 1) 66 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \ 67 (sizeof(struct ice_aqc_sw_rules_elem) - \ 68 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 69 sizeof(struct ice_sw_rule_lkup_rx_tx) - 1) 70 #define ICE_SW_RULE_LG_ACT_SIZE(n) \ 71 (sizeof(struct ice_aqc_sw_rules_elem) - \ 72 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 73 sizeof(struct ice_sw_rule_lg_act) - \ 74 sizeof(((struct ice_sw_rule_lg_act *)0)->act) + \ 75 ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act))) 76 #define ICE_SW_RULE_VSI_LIST_SIZE(n) \ 77 (sizeof(struct ice_aqc_sw_rules_elem) - \ 78 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 79 sizeof(struct ice_sw_rule_vsi_list) - \ 80 sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi) + \ 81 ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi))) 82 83 /** 84 * ice_init_def_sw_recp - initialize the recipe book keeping tables 85 * @hw: pointer to the HW struct 86 * @recp_list: pointer to sw recipe list 87 * 88 * Allocate memory for the entire recipe table and initialize the structures/ 89 * entries corresponding to basic recipes. 90 */ 91 enum ice_status 92 ice_init_def_sw_recp(struct ice_hw *hw, struct ice_sw_recipe **recp_list) 93 { 94 struct ice_sw_recipe *recps; 95 u8 i; 96 97 recps = (struct ice_sw_recipe *) 98 ice_calloc(hw, ICE_MAX_NUM_RECIPES, sizeof(*recps)); 99 if (!recps) 100 return ICE_ERR_NO_MEMORY; 101 102 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 103 recps[i].root_rid = i; 104 INIT_LIST_HEAD(&recps[i].filt_rules); 105 INIT_LIST_HEAD(&recps[i].filt_replay_rules); 106 INIT_LIST_HEAD(&recps[i].rg_list); 107 ice_init_lock(&recps[i].filt_rule_lock); 108 } 109 110 *recp_list = recps; 111 112 return ICE_SUCCESS; 113 } 114 115 /** 116 * ice_aq_get_sw_cfg - get switch configuration 117 * @hw: pointer to the hardware structure 118 * @buf: pointer to the result buffer 119 * @buf_size: length of the buffer available for response 120 * @req_desc: pointer to requested descriptor 121 * @num_elems: pointer to number of elements 122 * @cd: pointer to command details structure or NULL 123 * 124 * Get switch configuration (0x0200) to be placed in 'buff'. 125 * This admin command returns information such as initial VSI/port number 126 * and switch ID it belongs to. 127 * 128 * NOTE: *req_desc is both an input/output parameter. 129 * The caller of this function first calls this function with *request_desc set 130 * to 0. If the response from f/w has *req_desc set to 0, all the switch 131 * configuration information has been returned; if non-zero (meaning not all 132 * the information was returned), the caller should call this function again 133 * with *req_desc set to the previous value returned by f/w to get the 134 * next block of switch configuration information. 135 * 136 * *num_elems is output only parameter. This reflects the number of elements 137 * in response buffer. The caller of this function to use *num_elems while 138 * parsing the response buffer. 139 */ 140 static enum ice_status 141 ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp *buf, 142 u16 buf_size, u16 *req_desc, u16 *num_elems, 143 struct ice_sq_cd *cd) 144 { 145 struct ice_aqc_get_sw_cfg *cmd; 146 enum ice_status status; 147 struct ice_aq_desc desc; 148 149 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg); 150 cmd = &desc.params.get_sw_conf; 151 cmd->element = CPU_TO_LE16(*req_desc); 152 153 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 154 if (!status) { 155 *req_desc = LE16_TO_CPU(cmd->element); 156 *num_elems = LE16_TO_CPU(cmd->num_elems); 157 } 158 159 return status; 160 } 161 162 /** 163 * ice_alloc_sw - allocate resources specific to switch 164 * @hw: pointer to the HW struct 165 * @ena_stats: true to turn on VEB stats 166 * @shared_res: true for shared resource, false for dedicated resource 167 * @sw_id: switch ID returned 168 * @counter_id: VEB counter ID returned 169 * 170 * allocates switch resources (SWID and VEB counter) (0x0208) 171 */ 172 enum ice_status 173 ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id, 174 u16 *counter_id) 175 { 176 struct ice_aqc_alloc_free_res_elem *sw_buf; 177 struct ice_aqc_res_elem *sw_ele; 178 enum ice_status status; 179 u16 buf_len; 180 181 buf_len = sizeof(*sw_buf); 182 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 183 ice_malloc(hw, buf_len); 184 if (!sw_buf) 185 return ICE_ERR_NO_MEMORY; 186 187 /* Prepare buffer for switch ID. 188 * The number of resource entries in buffer is passed as 1 since only a 189 * single switch/VEB instance is allocated, and hence a single sw_id 190 * is requested. 191 */ 192 sw_buf->num_elems = CPU_TO_LE16(1); 193 sw_buf->res_type = 194 CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID | 195 (shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED : 196 ICE_AQC_RES_TYPE_FLAG_DEDICATED)); 197 198 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, 199 ice_aqc_opc_alloc_res, NULL); 200 201 if (status) 202 goto ice_alloc_sw_exit; 203 204 sw_ele = &sw_buf->elem[0]; 205 *sw_id = LE16_TO_CPU(sw_ele->e.sw_resp); 206 207 if (ena_stats) { 208 /* Prepare buffer for VEB Counter */ 209 enum ice_adminq_opc opc = ice_aqc_opc_alloc_res; 210 struct ice_aqc_alloc_free_res_elem *counter_buf; 211 struct ice_aqc_res_elem *counter_ele; 212 213 counter_buf = (struct ice_aqc_alloc_free_res_elem *) 214 ice_malloc(hw, buf_len); 215 if (!counter_buf) { 216 status = ICE_ERR_NO_MEMORY; 217 goto ice_alloc_sw_exit; 218 } 219 220 /* The number of resource entries in buffer is passed as 1 since 221 * only a single switch/VEB instance is allocated, and hence a 222 * single VEB counter is requested. 223 */ 224 counter_buf->num_elems = CPU_TO_LE16(1); 225 counter_buf->res_type = 226 CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER | 227 ICE_AQC_RES_TYPE_FLAG_DEDICATED); 228 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len, 229 opc, NULL); 230 231 if (status) { 232 ice_free(hw, counter_buf); 233 goto ice_alloc_sw_exit; 234 } 235 counter_ele = &counter_buf->elem[0]; 236 *counter_id = LE16_TO_CPU(counter_ele->e.sw_resp); 237 ice_free(hw, counter_buf); 238 } 239 240 ice_alloc_sw_exit: 241 ice_free(hw, sw_buf); 242 return status; 243 } 244 245 /** 246 * ice_free_sw - free resources specific to switch 247 * @hw: pointer to the HW struct 248 * @sw_id: switch ID returned 249 * @counter_id: VEB counter ID returned 250 * 251 * free switch resources (SWID and VEB counter) (0x0209) 252 * 253 * NOTE: This function frees multiple resources. It continues 254 * releasing other resources even after it encounters error. 255 * The error code returned is the last error it encountered. 256 */ 257 enum ice_status ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id) 258 { 259 struct ice_aqc_alloc_free_res_elem *sw_buf, *counter_buf; 260 enum ice_status status, ret_status; 261 u16 buf_len; 262 263 buf_len = sizeof(*sw_buf); 264 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 265 ice_malloc(hw, buf_len); 266 if (!sw_buf) 267 return ICE_ERR_NO_MEMORY; 268 269 /* Prepare buffer to free for switch ID res. 270 * The number of resource entries in buffer is passed as 1 since only a 271 * single switch/VEB instance is freed, and hence a single sw_id 272 * is released. 273 */ 274 sw_buf->num_elems = CPU_TO_LE16(1); 275 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID); 276 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(sw_id); 277 278 ret_status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, 279 ice_aqc_opc_free_res, NULL); 280 281 if (ret_status) 282 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n"); 283 284 /* Prepare buffer to free for VEB Counter resource */ 285 counter_buf = (struct ice_aqc_alloc_free_res_elem *) 286 ice_malloc(hw, buf_len); 287 if (!counter_buf) { 288 ice_free(hw, sw_buf); 289 return ICE_ERR_NO_MEMORY; 290 } 291 292 /* The number of resource entries in buffer is passed as 1 since only a 293 * single switch/VEB instance is freed, and hence a single VEB counter 294 * is released 295 */ 296 counter_buf->num_elems = CPU_TO_LE16(1); 297 counter_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER); 298 counter_buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id); 299 300 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len, 301 ice_aqc_opc_free_res, NULL); 302 if (status) { 303 ice_debug(hw, ICE_DBG_SW, 304 "VEB counter resource could not be freed\n"); 305 ret_status = status; 306 } 307 308 ice_free(hw, counter_buf); 309 ice_free(hw, sw_buf); 310 return ret_status; 311 } 312 313 /** 314 * ice_aq_add_vsi 315 * @hw: pointer to the HW struct 316 * @vsi_ctx: pointer to a VSI context struct 317 * @cd: pointer to command details structure or NULL 318 * 319 * Add a VSI context to the hardware (0x0210) 320 */ 321 enum ice_status 322 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 323 struct ice_sq_cd *cd) 324 { 325 struct ice_aqc_add_update_free_vsi_resp *res; 326 struct ice_aqc_add_get_update_free_vsi *cmd; 327 struct ice_aq_desc desc; 328 enum ice_status status; 329 330 cmd = &desc.params.vsi_cmd; 331 res = &desc.params.add_update_free_vsi_res; 332 333 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi); 334 335 if (!vsi_ctx->alloc_from_pool) 336 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | 337 ICE_AQ_VSI_IS_VALID); 338 cmd->vf_id = vsi_ctx->vf_num; 339 340 cmd->vsi_flags = CPU_TO_LE16(vsi_ctx->flags); 341 342 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 343 344 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 345 sizeof(vsi_ctx->info), cd); 346 347 if (!status) { 348 vsi_ctx->vsi_num = LE16_TO_CPU(res->vsi_num) & ICE_AQ_VSI_NUM_M; 349 vsi_ctx->vsis_allocd = LE16_TO_CPU(res->vsi_used); 350 vsi_ctx->vsis_unallocated = LE16_TO_CPU(res->vsi_free); 351 } 352 353 return status; 354 } 355 356 /** 357 * ice_aq_free_vsi 358 * @hw: pointer to the HW struct 359 * @vsi_ctx: pointer to a VSI context struct 360 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources 361 * @cd: pointer to command details structure or NULL 362 * 363 * Free VSI context info from hardware (0x0213) 364 */ 365 enum ice_status 366 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 367 bool keep_vsi_alloc, struct ice_sq_cd *cd) 368 { 369 struct ice_aqc_add_update_free_vsi_resp *resp; 370 struct ice_aqc_add_get_update_free_vsi *cmd; 371 struct ice_aq_desc desc; 372 enum ice_status status; 373 374 cmd = &desc.params.vsi_cmd; 375 resp = &desc.params.add_update_free_vsi_res; 376 377 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi); 378 379 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 380 if (keep_vsi_alloc) 381 cmd->cmd_flags = CPU_TO_LE16(ICE_AQ_VSI_KEEP_ALLOC); 382 383 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 384 if (!status) { 385 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used); 386 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free); 387 } 388 389 return status; 390 } 391 392 /** 393 * ice_aq_update_vsi 394 * @hw: pointer to the HW struct 395 * @vsi_ctx: pointer to a VSI context struct 396 * @cd: pointer to command details structure or NULL 397 * 398 * Update VSI context in the hardware (0x0211) 399 */ 400 enum ice_status 401 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 402 struct ice_sq_cd *cd) 403 { 404 struct ice_aqc_add_update_free_vsi_resp *resp; 405 struct ice_aqc_add_get_update_free_vsi *cmd; 406 struct ice_aq_desc desc; 407 enum ice_status status; 408 409 cmd = &desc.params.vsi_cmd; 410 resp = &desc.params.add_update_free_vsi_res; 411 412 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi); 413 414 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 415 416 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 417 418 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 419 sizeof(vsi_ctx->info), cd); 420 421 if (!status) { 422 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used); 423 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free); 424 } 425 426 return status; 427 } 428 429 /** 430 * ice_is_vsi_valid - check whether the VSI is valid or not 431 * @hw: pointer to the HW struct 432 * @vsi_handle: VSI handle 433 * 434 * check whether the VSI is valid or not 435 */ 436 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle) 437 { 438 return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle]; 439 } 440 441 /** 442 * ice_get_hw_vsi_num - return the HW VSI number 443 * @hw: pointer to the HW struct 444 * @vsi_handle: VSI handle 445 * 446 * return the HW VSI number 447 * Caution: call this function only if VSI is valid (ice_is_vsi_valid) 448 */ 449 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle) 450 { 451 return hw->vsi_ctx[vsi_handle]->vsi_num; 452 } 453 454 /** 455 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle 456 * @hw: pointer to the HW struct 457 * @vsi_handle: VSI handle 458 * 459 * return the VSI context entry for a given VSI handle 460 */ 461 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) 462 { 463 return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle]; 464 } 465 466 /** 467 * ice_save_vsi_ctx - save the VSI context for a given VSI handle 468 * @hw: pointer to the HW struct 469 * @vsi_handle: VSI handle 470 * @vsi: VSI context pointer 471 * 472 * save the VSI context entry for a given VSI handle 473 */ 474 static void 475 ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi) 476 { 477 hw->vsi_ctx[vsi_handle] = vsi; 478 } 479 480 /** 481 * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs 482 * @hw: pointer to the HW struct 483 * @vsi_handle: VSI handle 484 */ 485 static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle) 486 { 487 struct ice_vsi_ctx *vsi; 488 u8 i; 489 490 vsi = ice_get_vsi_ctx(hw, vsi_handle); 491 if (!vsi) 492 return; 493 ice_for_each_traffic_class(i) { 494 if (vsi->lan_q_ctx[i]) { 495 ice_free(hw, vsi->lan_q_ctx[i]); 496 vsi->lan_q_ctx[i] = NULL; 497 } 498 } 499 } 500 501 /** 502 * ice_clear_vsi_ctx - clear the VSI context entry 503 * @hw: pointer to the HW struct 504 * @vsi_handle: VSI handle 505 * 506 * clear the VSI context entry 507 */ 508 static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) 509 { 510 struct ice_vsi_ctx *vsi; 511 512 vsi = ice_get_vsi_ctx(hw, vsi_handle); 513 if (vsi) { 514 ice_clear_vsi_q_ctx(hw, vsi_handle); 515 ice_free(hw, vsi); 516 hw->vsi_ctx[vsi_handle] = NULL; 517 } 518 } 519 520 /** 521 * ice_clear_all_vsi_ctx - clear all the VSI context entries 522 * @hw: pointer to the HW struct 523 */ 524 void ice_clear_all_vsi_ctx(struct ice_hw *hw) 525 { 526 u16 i; 527 528 for (i = 0; i < ICE_MAX_VSI; i++) 529 ice_clear_vsi_ctx(hw, i); 530 } 531 532 /** 533 * ice_add_vsi - add VSI context to the hardware and VSI handle list 534 * @hw: pointer to the HW struct 535 * @vsi_handle: unique VSI handle provided by drivers 536 * @vsi_ctx: pointer to a VSI context struct 537 * @cd: pointer to command details structure or NULL 538 * 539 * Add a VSI context to the hardware also add it into the VSI handle list. 540 * If this function gets called after reset for existing VSIs then update 541 * with the new HW VSI number in the corresponding VSI handle list entry. 542 */ 543 enum ice_status 544 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 545 struct ice_sq_cd *cd) 546 { 547 struct ice_vsi_ctx *tmp_vsi_ctx; 548 enum ice_status status; 549 550 if (vsi_handle >= ICE_MAX_VSI) 551 return ICE_ERR_PARAM; 552 status = ice_aq_add_vsi(hw, vsi_ctx, cd); 553 if (status) 554 return status; 555 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle); 556 if (!tmp_vsi_ctx) { 557 /* Create a new VSI context */ 558 tmp_vsi_ctx = (struct ice_vsi_ctx *) 559 ice_malloc(hw, sizeof(*tmp_vsi_ctx)); 560 if (!tmp_vsi_ctx) { 561 ice_aq_free_vsi(hw, vsi_ctx, false, cd); 562 return ICE_ERR_NO_MEMORY; 563 } 564 *tmp_vsi_ctx = *vsi_ctx; 565 566 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx); 567 } else { 568 /* update with new HW VSI num */ 569 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num; 570 } 571 572 return ICE_SUCCESS; 573 } 574 575 /** 576 * ice_free_vsi- free VSI context from hardware and VSI handle list 577 * @hw: pointer to the HW struct 578 * @vsi_handle: unique VSI handle 579 * @vsi_ctx: pointer to a VSI context struct 580 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources 581 * @cd: pointer to command details structure or NULL 582 * 583 * Free VSI context info from hardware as well as from VSI handle list 584 */ 585 enum ice_status 586 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 587 bool keep_vsi_alloc, struct ice_sq_cd *cd) 588 { 589 enum ice_status status; 590 591 if (!ice_is_vsi_valid(hw, vsi_handle)) 592 return ICE_ERR_PARAM; 593 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); 594 status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd); 595 if (!status) 596 ice_clear_vsi_ctx(hw, vsi_handle); 597 return status; 598 } 599 600 /** 601 * ice_update_vsi 602 * @hw: pointer to the HW struct 603 * @vsi_handle: unique VSI handle 604 * @vsi_ctx: pointer to a VSI context struct 605 * @cd: pointer to command details structure or NULL 606 * 607 * Update VSI context in the hardware 608 */ 609 enum ice_status 610 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 611 struct ice_sq_cd *cd) 612 { 613 if (!ice_is_vsi_valid(hw, vsi_handle)) 614 return ICE_ERR_PARAM; 615 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); 616 return ice_aq_update_vsi(hw, vsi_ctx, cd); 617 } 618 619 /** 620 * ice_aq_get_vsi_params 621 * @hw: pointer to the HW struct 622 * @vsi_ctx: pointer to a VSI context struct 623 * @cd: pointer to command details structure or NULL 624 * 625 * Get VSI context info from hardware (0x0212) 626 */ 627 enum ice_status 628 ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 629 struct ice_sq_cd *cd) 630 { 631 struct ice_aqc_add_get_update_free_vsi *cmd; 632 struct ice_aqc_get_vsi_resp *resp; 633 struct ice_aq_desc desc; 634 enum ice_status status; 635 636 cmd = &desc.params.vsi_cmd; 637 resp = &desc.params.get_vsi_resp; 638 639 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_vsi_params); 640 641 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 642 643 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 644 sizeof(vsi_ctx->info), cd); 645 if (!status) { 646 vsi_ctx->vsi_num = LE16_TO_CPU(resp->vsi_num) & 647 ICE_AQ_VSI_NUM_M; 648 vsi_ctx->vf_num = resp->vf_id; 649 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used); 650 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free); 651 } 652 653 return status; 654 } 655 656 /** 657 * ice_aq_add_update_mir_rule - add/update a mirror rule 658 * @hw: pointer to the HW struct 659 * @rule_type: Rule Type 660 * @dest_vsi: VSI number to which packets will be mirrored 661 * @count: length of the list 662 * @mr_buf: buffer for list of mirrored VSI numbers 663 * @cd: pointer to command details structure or NULL 664 * @rule_id: Rule ID 665 * 666 * Add/Update Mirror Rule (0x260). 667 */ 668 enum ice_status 669 ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi, 670 u16 count, struct ice_mir_rule_buf *mr_buf, 671 struct ice_sq_cd *cd, u16 *rule_id) 672 { 673 struct ice_aqc_add_update_mir_rule *cmd; 674 struct ice_aq_desc desc; 675 enum ice_status status; 676 __le16 *mr_list = NULL; 677 u16 buf_size = 0; 678 679 switch (rule_type) { 680 case ICE_AQC_RULE_TYPE_VPORT_INGRESS: 681 case ICE_AQC_RULE_TYPE_VPORT_EGRESS: 682 /* Make sure count and mr_buf are set for these rule_types */ 683 if (!(count && mr_buf)) 684 return ICE_ERR_PARAM; 685 686 buf_size = count * sizeof(__le16); 687 mr_list = (_FORCE_ __le16 *)ice_malloc(hw, buf_size); 688 if (!mr_list) 689 return ICE_ERR_NO_MEMORY; 690 break; 691 case ICE_AQC_RULE_TYPE_PPORT_INGRESS: 692 case ICE_AQC_RULE_TYPE_PPORT_EGRESS: 693 /* Make sure count and mr_buf are not set for these 694 * rule_types 695 */ 696 if (count || mr_buf) 697 return ICE_ERR_PARAM; 698 break; 699 default: 700 ice_debug(hw, ICE_DBG_SW, 701 "Error due to unsupported rule_type %u\n", rule_type); 702 return ICE_ERR_OUT_OF_RANGE; 703 } 704 705 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_update_mir_rule); 706 707 /* Pre-process 'mr_buf' items for add/update of virtual port 708 * ingress/egress mirroring (but not physical port ingress/egress 709 * mirroring) 710 */ 711 if (mr_buf) { 712 int i; 713 714 for (i = 0; i < count; i++) { 715 u16 id; 716 717 id = mr_buf[i].vsi_idx & ICE_AQC_RULE_MIRRORED_VSI_M; 718 719 /* Validate specified VSI number, make sure it is less 720 * than ICE_MAX_VSI, if not return with error. 721 */ 722 if (id >= ICE_MAX_VSI) { 723 ice_debug(hw, ICE_DBG_SW, 724 "Error VSI index (%u) out-of-range\n", 725 id); 726 ice_free(hw, mr_list); 727 return ICE_ERR_OUT_OF_RANGE; 728 } 729 730 /* add VSI to mirror rule */ 731 if (mr_buf[i].add) 732 mr_list[i] = 733 CPU_TO_LE16(id | ICE_AQC_RULE_ACT_M); 734 else /* remove VSI from mirror rule */ 735 mr_list[i] = CPU_TO_LE16(id); 736 } 737 } 738 739 cmd = &desc.params.add_update_rule; 740 if ((*rule_id) != ICE_INVAL_MIRROR_RULE_ID) 741 cmd->rule_id = CPU_TO_LE16(((*rule_id) & ICE_AQC_RULE_ID_M) | 742 ICE_AQC_RULE_ID_VALID_M); 743 cmd->rule_type = CPU_TO_LE16(rule_type & ICE_AQC_RULE_TYPE_M); 744 cmd->num_entries = CPU_TO_LE16(count); 745 cmd->dest = CPU_TO_LE16(dest_vsi); 746 747 status = ice_aq_send_cmd(hw, &desc, mr_list, buf_size, cd); 748 if (!status) 749 *rule_id = LE16_TO_CPU(cmd->rule_id) & ICE_AQC_RULE_ID_M; 750 751 ice_free(hw, mr_list); 752 753 return status; 754 } 755 756 /** 757 * ice_aq_delete_mir_rule - delete a mirror rule 758 * @hw: pointer to the HW struct 759 * @rule_id: Mirror rule ID (to be deleted) 760 * @keep_allocd: if set, the VSI stays part of the PF allocated res, 761 * otherwise it is returned to the shared pool 762 * @cd: pointer to command details structure or NULL 763 * 764 * Delete Mirror Rule (0x261). 765 */ 766 enum ice_status 767 ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd, 768 struct ice_sq_cd *cd) 769 { 770 struct ice_aqc_delete_mir_rule *cmd; 771 struct ice_aq_desc desc; 772 773 /* rule_id should be in the range 0...63 */ 774 if (rule_id >= ICE_MAX_NUM_MIRROR_RULES) 775 return ICE_ERR_OUT_OF_RANGE; 776 777 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_del_mir_rule); 778 779 cmd = &desc.params.del_rule; 780 rule_id |= ICE_AQC_RULE_ID_VALID_M; 781 cmd->rule_id = CPU_TO_LE16(rule_id); 782 783 if (keep_allocd) 784 cmd->flags = CPU_TO_LE16(ICE_AQC_FLAG_KEEP_ALLOCD_M); 785 786 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 787 } 788 789 /** 790 * ice_aq_alloc_free_vsi_list 791 * @hw: pointer to the HW struct 792 * @vsi_list_id: VSI list ID returned or used for lookup 793 * @lkup_type: switch rule filter lookup type 794 * @opc: switch rules population command type - pass in the command opcode 795 * 796 * allocates or free a VSI list resource 797 */ 798 static enum ice_status 799 ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id, 800 enum ice_sw_lkup_type lkup_type, 801 enum ice_adminq_opc opc) 802 { 803 struct ice_aqc_alloc_free_res_elem *sw_buf; 804 struct ice_aqc_res_elem *vsi_ele; 805 enum ice_status status; 806 u16 buf_len; 807 808 buf_len = sizeof(*sw_buf); 809 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 810 ice_malloc(hw, buf_len); 811 if (!sw_buf) 812 return ICE_ERR_NO_MEMORY; 813 sw_buf->num_elems = CPU_TO_LE16(1); 814 815 if (lkup_type == ICE_SW_LKUP_MAC || 816 lkup_type == ICE_SW_LKUP_MAC_VLAN || 817 lkup_type == ICE_SW_LKUP_ETHERTYPE || 818 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 819 lkup_type == ICE_SW_LKUP_PROMISC || 820 lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 821 lkup_type == ICE_SW_LKUP_LAST) { 822 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP); 823 } else if (lkup_type == ICE_SW_LKUP_VLAN) { 824 sw_buf->res_type = 825 CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE); 826 } else { 827 status = ICE_ERR_PARAM; 828 goto ice_aq_alloc_free_vsi_list_exit; 829 } 830 831 if (opc == ice_aqc_opc_free_res) 832 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id); 833 834 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL); 835 if (status) 836 goto ice_aq_alloc_free_vsi_list_exit; 837 838 if (opc == ice_aqc_opc_alloc_res) { 839 vsi_ele = &sw_buf->elem[0]; 840 *vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp); 841 } 842 843 ice_aq_alloc_free_vsi_list_exit: 844 ice_free(hw, sw_buf); 845 return status; 846 } 847 848 /** 849 * ice_aq_set_storm_ctrl - Sets storm control configuration 850 * @hw: pointer to the HW struct 851 * @bcast_thresh: represents the upper threshold for broadcast storm control 852 * @mcast_thresh: represents the upper threshold for multicast storm control 853 * @ctl_bitmask: storm control control knobs 854 * 855 * Sets the storm control configuration (0x0280) 856 */ 857 enum ice_status 858 ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh, 859 u32 ctl_bitmask) 860 { 861 struct ice_aqc_storm_cfg *cmd; 862 struct ice_aq_desc desc; 863 864 cmd = &desc.params.storm_conf; 865 866 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_storm_cfg); 867 868 cmd->bcast_thresh_size = CPU_TO_LE32(bcast_thresh & ICE_AQ_THRESHOLD_M); 869 cmd->mcast_thresh_size = CPU_TO_LE32(mcast_thresh & ICE_AQ_THRESHOLD_M); 870 cmd->storm_ctrl_ctrl = CPU_TO_LE32(ctl_bitmask); 871 872 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); 873 } 874 875 /** 876 * ice_aq_get_storm_ctrl - gets storm control configuration 877 * @hw: pointer to the HW struct 878 * @bcast_thresh: represents the upper threshold for broadcast storm control 879 * @mcast_thresh: represents the upper threshold for multicast storm control 880 * @ctl_bitmask: storm control control knobs 881 * 882 * Gets the storm control configuration (0x0281) 883 */ 884 enum ice_status 885 ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh, 886 u32 *ctl_bitmask) 887 { 888 enum ice_status status; 889 struct ice_aq_desc desc; 890 891 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_storm_cfg); 892 893 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL); 894 if (!status) { 895 struct ice_aqc_storm_cfg *resp = &desc.params.storm_conf; 896 897 if (bcast_thresh) 898 *bcast_thresh = LE32_TO_CPU(resp->bcast_thresh_size) & 899 ICE_AQ_THRESHOLD_M; 900 if (mcast_thresh) 901 *mcast_thresh = LE32_TO_CPU(resp->mcast_thresh_size) & 902 ICE_AQ_THRESHOLD_M; 903 if (ctl_bitmask) 904 *ctl_bitmask = LE32_TO_CPU(resp->storm_ctrl_ctrl); 905 } 906 907 return status; 908 } 909 910 /** 911 * ice_aq_sw_rules - add/update/remove switch rules 912 * @hw: pointer to the HW struct 913 * @rule_list: pointer to switch rule population list 914 * @rule_list_sz: total size of the rule list in bytes 915 * @num_rules: number of switch rules in the rule_list 916 * @opc: switch rules population command type - pass in the command opcode 917 * @cd: pointer to command details structure or NULL 918 * 919 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware 920 */ 921 static enum ice_status 922 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 923 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd) 924 { 925 struct ice_aq_desc desc; 926 927 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 928 929 if (opc != ice_aqc_opc_add_sw_rules && 930 opc != ice_aqc_opc_update_sw_rules && 931 opc != ice_aqc_opc_remove_sw_rules) 932 return ICE_ERR_PARAM; 933 934 ice_fill_dflt_direct_cmd_desc(&desc, opc); 935 936 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 937 desc.params.sw_rules.num_rules_fltr_entry_index = 938 CPU_TO_LE16(num_rules); 939 return ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd); 940 } 941 942 /* ice_init_port_info - Initialize port_info with switch configuration data 943 * @pi: pointer to port_info 944 * @vsi_port_num: VSI number or port number 945 * @type: Type of switch element (port or VSI) 946 * @swid: switch ID of the switch the element is attached to 947 * @pf_vf_num: PF or VF number 948 * @is_vf: true if the element is a VF, false otherwise 949 */ 950 static void 951 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type, 952 u16 swid, u16 pf_vf_num, bool is_vf) 953 { 954 switch (type) { 955 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT: 956 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK); 957 pi->sw_id = swid; 958 pi->pf_vf_num = pf_vf_num; 959 pi->is_vf = is_vf; 960 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL; 961 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL; 962 break; 963 default: 964 ice_debug(pi->hw, ICE_DBG_SW, 965 "incorrect VSI/port type received\n"); 966 break; 967 } 968 } 969 970 /* ice_get_initial_sw_cfg - Get initial port and default VSI data 971 * @hw: pointer to the hardware structure 972 */ 973 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw) 974 { 975 struct ice_aqc_get_sw_cfg_resp *rbuf; 976 enum ice_status status; 977 u8 num_total_ports; 978 u16 req_desc = 0; 979 u16 num_elems; 980 u8 j = 0; 981 u16 i; 982 983 num_total_ports = 1; 984 985 rbuf = (struct ice_aqc_get_sw_cfg_resp *) 986 ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN); 987 988 if (!rbuf) 989 return ICE_ERR_NO_MEMORY; 990 991 /* Multiple calls to ice_aq_get_sw_cfg may be required 992 * to get all the switch configuration information. The need 993 * for additional calls is indicated by ice_aq_get_sw_cfg 994 * writing a non-zero value in req_desc 995 */ 996 do { 997 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN, 998 &req_desc, &num_elems, NULL); 999 1000 if (status) 1001 break; 1002 1003 for (i = 0; i < num_elems; i++) { 1004 struct ice_aqc_get_sw_cfg_resp_elem *ele; 1005 u16 pf_vf_num, swid, vsi_port_num; 1006 bool is_vf = false; 1007 u8 res_type; 1008 1009 ele = rbuf[i].elements; 1010 vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) & 1011 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M; 1012 1013 pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) & 1014 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M; 1015 1016 swid = LE16_TO_CPU(ele->swid); 1017 1018 if (LE16_TO_CPU(ele->pf_vf_num) & 1019 ICE_AQC_GET_SW_CONF_RESP_IS_VF) 1020 is_vf = true; 1021 1022 res_type = (u8)(LE16_TO_CPU(ele->vsi_port_num) >> 1023 ICE_AQC_GET_SW_CONF_RESP_TYPE_S); 1024 1025 switch (res_type) { 1026 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT: 1027 case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT: 1028 if (j == num_total_ports) { 1029 ice_debug(hw, ICE_DBG_SW, 1030 "more ports than expected\n"); 1031 status = ICE_ERR_CFG; 1032 goto out; 1033 } 1034 ice_init_port_info(hw->port_info, 1035 vsi_port_num, res_type, swid, 1036 pf_vf_num, is_vf); 1037 j++; 1038 break; 1039 default: 1040 break; 1041 } 1042 } 1043 } while (req_desc && !status); 1044 1045 out: 1046 ice_free(hw, (void *)rbuf); 1047 return status; 1048 } 1049 1050 /** 1051 * ice_fill_sw_info - Helper function to populate lb_en and lan_en 1052 * @hw: pointer to the hardware structure 1053 * @fi: filter info structure to fill/update 1054 * 1055 * This helper function populates the lb_en and lan_en elements of the provided 1056 * ice_fltr_info struct using the switch's type and characteristics of the 1057 * switch rule being configured. 1058 */ 1059 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi) 1060 { 1061 fi->lb_en = false; 1062 fi->lan_en = false; 1063 if ((fi->flag & ICE_FLTR_TX) && 1064 (fi->fltr_act == ICE_FWD_TO_VSI || 1065 fi->fltr_act == ICE_FWD_TO_VSI_LIST || 1066 fi->fltr_act == ICE_FWD_TO_Q || 1067 fi->fltr_act == ICE_FWD_TO_QGRP)) { 1068 /* Setting LB for prune actions will result in replicated 1069 * packets to the internal switch that will be dropped. 1070 */ 1071 if (fi->lkup_type != ICE_SW_LKUP_VLAN) 1072 fi->lb_en = true; 1073 1074 /* Set lan_en to TRUE if 1075 * 1. The switch is a VEB AND 1076 * 2 1077 * 2.1 The lookup is a directional lookup like ethertype, 1078 * promiscuous, ethertype-MAC, promiscuous-VLAN 1079 * and default-port OR 1080 * 2.2 The lookup is VLAN, OR 1081 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR 1082 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC. 1083 * 1084 * OR 1085 * 1086 * The switch is a VEPA. 1087 * 1088 * In all other cases, the LAN enable has to be set to false. 1089 */ 1090 if (hw->evb_veb) { 1091 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE || 1092 fi->lkup_type == ICE_SW_LKUP_PROMISC || 1093 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 1094 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 1095 fi->lkup_type == ICE_SW_LKUP_DFLT || 1096 fi->lkup_type == ICE_SW_LKUP_VLAN || 1097 (fi->lkup_type == ICE_SW_LKUP_MAC && 1098 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) || 1099 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN && 1100 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr))) 1101 fi->lan_en = true; 1102 } else { 1103 fi->lan_en = true; 1104 } 1105 } 1106 } 1107 1108 /** 1109 * ice_fill_sw_rule - Helper function to fill switch rule structure 1110 * @hw: pointer to the hardware structure 1111 * @f_info: entry containing packet forwarding information 1112 * @s_rule: switch rule structure to be filled in based on mac_entry 1113 * @opc: switch rules population command type - pass in the command opcode 1114 */ 1115 static void 1116 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info, 1117 struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc) 1118 { 1119 u16 vlan_id = ICE_MAX_VLAN_ID + 1; 1120 void *daddr = NULL; 1121 u16 eth_hdr_sz; 1122 u8 *eth_hdr; 1123 u32 act = 0; 1124 __be16 *off; 1125 u8 q_rgn; 1126 1127 if (opc == ice_aqc_opc_remove_sw_rules) { 1128 s_rule->pdata.lkup_tx_rx.act = 0; 1129 s_rule->pdata.lkup_tx_rx.index = 1130 CPU_TO_LE16(f_info->fltr_rule_id); 1131 s_rule->pdata.lkup_tx_rx.hdr_len = 0; 1132 return; 1133 } 1134 1135 eth_hdr_sz = sizeof(dummy_eth_header); 1136 eth_hdr = s_rule->pdata.lkup_tx_rx.hdr; 1137 1138 /* initialize the ether header with a dummy header */ 1139 ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA); 1140 ice_fill_sw_info(hw, f_info); 1141 1142 switch (f_info->fltr_act) { 1143 case ICE_FWD_TO_VSI: 1144 act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) & 1145 ICE_SINGLE_ACT_VSI_ID_M; 1146 if (f_info->lkup_type != ICE_SW_LKUP_VLAN) 1147 act |= ICE_SINGLE_ACT_VSI_FORWARDING | 1148 ICE_SINGLE_ACT_VALID_BIT; 1149 break; 1150 case ICE_FWD_TO_VSI_LIST: 1151 act |= ICE_SINGLE_ACT_VSI_LIST; 1152 act |= (f_info->fwd_id.vsi_list_id << 1153 ICE_SINGLE_ACT_VSI_LIST_ID_S) & 1154 ICE_SINGLE_ACT_VSI_LIST_ID_M; 1155 if (f_info->lkup_type != ICE_SW_LKUP_VLAN) 1156 act |= ICE_SINGLE_ACT_VSI_FORWARDING | 1157 ICE_SINGLE_ACT_VALID_BIT; 1158 break; 1159 case ICE_FWD_TO_Q: 1160 act |= ICE_SINGLE_ACT_TO_Q; 1161 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & 1162 ICE_SINGLE_ACT_Q_INDEX_M; 1163 break; 1164 case ICE_DROP_PACKET: 1165 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP | 1166 ICE_SINGLE_ACT_VALID_BIT; 1167 break; 1168 case ICE_FWD_TO_QGRP: 1169 q_rgn = f_info->qgrp_size > 0 ? 1170 (u8)ice_ilog2(f_info->qgrp_size) : 0; 1171 act |= ICE_SINGLE_ACT_TO_Q; 1172 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & 1173 ICE_SINGLE_ACT_Q_INDEX_M; 1174 act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) & 1175 ICE_SINGLE_ACT_Q_REGION_M; 1176 break; 1177 default: 1178 return; 1179 } 1180 1181 if (f_info->lb_en) 1182 act |= ICE_SINGLE_ACT_LB_ENABLE; 1183 if (f_info->lan_en) 1184 act |= ICE_SINGLE_ACT_LAN_ENABLE; 1185 1186 switch (f_info->lkup_type) { 1187 case ICE_SW_LKUP_MAC: 1188 daddr = f_info->l_data.mac.mac_addr; 1189 break; 1190 case ICE_SW_LKUP_VLAN: 1191 vlan_id = f_info->l_data.vlan.vlan_id; 1192 if (f_info->fltr_act == ICE_FWD_TO_VSI || 1193 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) { 1194 act |= ICE_SINGLE_ACT_PRUNE; 1195 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS; 1196 } 1197 break; 1198 case ICE_SW_LKUP_ETHERTYPE_MAC: 1199 daddr = f_info->l_data.ethertype_mac.mac_addr; 1200 /* fall-through */ 1201 case ICE_SW_LKUP_ETHERTYPE: 1202 off = (_FORCE_ __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET); 1203 *off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype); 1204 break; 1205 case ICE_SW_LKUP_MAC_VLAN: 1206 daddr = f_info->l_data.mac_vlan.mac_addr; 1207 vlan_id = f_info->l_data.mac_vlan.vlan_id; 1208 break; 1209 case ICE_SW_LKUP_PROMISC_VLAN: 1210 vlan_id = f_info->l_data.mac_vlan.vlan_id; 1211 /* fall-through */ 1212 case ICE_SW_LKUP_PROMISC: 1213 daddr = f_info->l_data.mac_vlan.mac_addr; 1214 break; 1215 default: 1216 break; 1217 } 1218 1219 s_rule->type = (f_info->flag & ICE_FLTR_RX) ? 1220 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) : 1221 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX); 1222 1223 /* Recipe set depending on lookup type */ 1224 s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(f_info->lkup_type); 1225 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(f_info->src); 1226 s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act); 1227 1228 if (daddr) 1229 ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN, 1230 ICE_NONDMA_TO_NONDMA); 1231 1232 if (!(vlan_id > ICE_MAX_VLAN_ID)) { 1233 off = (_FORCE_ __be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET); 1234 *off = CPU_TO_BE16(vlan_id); 1235 } 1236 1237 /* Create the switch rule with the final dummy Ethernet header */ 1238 if (opc != ice_aqc_opc_update_sw_rules) 1239 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(eth_hdr_sz); 1240 } 1241 1242 /** 1243 * ice_add_marker_act 1244 * @hw: pointer to the hardware structure 1245 * @m_ent: the management entry for which sw marker needs to be added 1246 * @sw_marker: sw marker to tag the Rx descriptor with 1247 * @l_id: large action resource ID 1248 * 1249 * Create a large action to hold software marker and update the switch rule 1250 * entry pointed by m_ent with newly created large action 1251 */ 1252 static enum ice_status 1253 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent, 1254 u16 sw_marker, u16 l_id) 1255 { 1256 struct ice_aqc_sw_rules_elem *lg_act, *rx_tx; 1257 /* For software marker we need 3 large actions 1258 * 1. FWD action: FWD TO VSI or VSI LIST 1259 * 2. GENERIC VALUE action to hold the profile ID 1260 * 3. GENERIC VALUE action to hold the software marker ID 1261 */ 1262 const u16 num_lg_acts = 3; 1263 enum ice_status status; 1264 u16 lg_act_size; 1265 u16 rules_size; 1266 u32 act; 1267 u16 id; 1268 1269 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC) 1270 return ICE_ERR_PARAM; 1271 1272 /* Create two back-to-back switch rules and submit them to the HW using 1273 * one memory buffer: 1274 * 1. Large Action 1275 * 2. Look up Tx Rx 1276 */ 1277 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts); 1278 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE; 1279 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size); 1280 if (!lg_act) 1281 return ICE_ERR_NO_MEMORY; 1282 1283 rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size); 1284 1285 /* Fill in the first switch rule i.e. large action */ 1286 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT); 1287 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id); 1288 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_lg_acts); 1289 1290 /* First action VSI forwarding or VSI list forwarding depending on how 1291 * many VSIs 1292 */ 1293 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id : 1294 m_ent->fltr_info.fwd_id.hw_vsi_id; 1295 1296 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT; 1297 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) & 1298 ICE_LG_ACT_VSI_LIST_ID_M; 1299 if (m_ent->vsi_count > 1) 1300 act |= ICE_LG_ACT_VSI_LIST; 1301 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act); 1302 1303 /* Second action descriptor type */ 1304 act = ICE_LG_ACT_GENERIC; 1305 1306 act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M; 1307 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act); 1308 1309 act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX << 1310 ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M; 1311 1312 /* Third action Marker value */ 1313 act |= ICE_LG_ACT_GENERIC; 1314 act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) & 1315 ICE_LG_ACT_GENERIC_VALUE_M; 1316 1317 lg_act->pdata.lg_act.act[2] = CPU_TO_LE32(act); 1318 1319 /* call the fill switch rule to fill the lookup Tx Rx structure */ 1320 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx, 1321 ice_aqc_opc_update_sw_rules); 1322 1323 /* Update the action to point to the large action ID */ 1324 rx_tx->pdata.lkup_tx_rx.act = 1325 CPU_TO_LE32(ICE_SINGLE_ACT_PTR | 1326 ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) & 1327 ICE_SINGLE_ACT_PTR_VAL_M)); 1328 1329 /* Use the filter rule ID of the previously created rule with single 1330 * act. Once the update happens, hardware will treat this as large 1331 * action 1332 */ 1333 rx_tx->pdata.lkup_tx_rx.index = 1334 CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id); 1335 1336 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2, 1337 ice_aqc_opc_update_sw_rules, NULL); 1338 if (!status) { 1339 m_ent->lg_act_idx = l_id; 1340 m_ent->sw_marker_id = sw_marker; 1341 } 1342 1343 ice_free(hw, lg_act); 1344 return status; 1345 } 1346 1347 /** 1348 * ice_add_counter_act - add/update filter rule with counter action 1349 * @hw: pointer to the hardware structure 1350 * @m_ent: the management entry for which counter needs to be added 1351 * @counter_id: VLAN counter ID returned as part of allocate resource 1352 * @l_id: large action resource ID 1353 */ 1354 static enum ice_status 1355 ice_add_counter_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent, 1356 u16 counter_id, u16 l_id) 1357 { 1358 struct ice_aqc_sw_rules_elem *lg_act; 1359 struct ice_aqc_sw_rules_elem *rx_tx; 1360 enum ice_status status; 1361 /* 2 actions will be added while adding a large action counter */ 1362 const int num_acts = 2; 1363 u16 lg_act_size; 1364 u16 rules_size; 1365 u16 f_rule_id; 1366 u32 act; 1367 u16 id; 1368 1369 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC) 1370 return ICE_ERR_PARAM; 1371 1372 /* Create two back-to-back switch rules and submit them to the HW using 1373 * one memory buffer: 1374 * 1. Large Action 1375 * 2. Look up Tx Rx 1376 */ 1377 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_acts); 1378 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE; 1379 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, 1380 rules_size); 1381 if (!lg_act) 1382 return ICE_ERR_NO_MEMORY; 1383 1384 rx_tx = (struct ice_aqc_sw_rules_elem *) 1385 ((u8 *)lg_act + lg_act_size); 1386 1387 /* Fill in the first switch rule i.e. large action */ 1388 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT); 1389 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id); 1390 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_acts); 1391 1392 /* First action VSI forwarding or VSI list forwarding depending on how 1393 * many VSIs 1394 */ 1395 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id : 1396 m_ent->fltr_info.fwd_id.hw_vsi_id; 1397 1398 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT; 1399 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) & 1400 ICE_LG_ACT_VSI_LIST_ID_M; 1401 if (m_ent->vsi_count > 1) 1402 act |= ICE_LG_ACT_VSI_LIST; 1403 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act); 1404 1405 /* Second action counter ID */ 1406 act = ICE_LG_ACT_STAT_COUNT; 1407 act |= (counter_id << ICE_LG_ACT_STAT_COUNT_S) & 1408 ICE_LG_ACT_STAT_COUNT_M; 1409 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act); 1410 1411 /* call the fill switch rule to fill the lookup Tx Rx structure */ 1412 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx, 1413 ice_aqc_opc_update_sw_rules); 1414 1415 act = ICE_SINGLE_ACT_PTR; 1416 act |= (l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M; 1417 rx_tx->pdata.lkup_tx_rx.act = CPU_TO_LE32(act); 1418 1419 /* Use the filter rule ID of the previously created rule with single 1420 * act. Once the update happens, hardware will treat this as large 1421 * action 1422 */ 1423 f_rule_id = m_ent->fltr_info.fltr_rule_id; 1424 rx_tx->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_rule_id); 1425 1426 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2, 1427 ice_aqc_opc_update_sw_rules, NULL); 1428 if (!status) { 1429 m_ent->lg_act_idx = l_id; 1430 m_ent->counter_index = counter_id; 1431 } 1432 1433 ice_free(hw, lg_act); 1434 return status; 1435 } 1436 1437 /** 1438 * ice_create_vsi_list_map 1439 * @hw: pointer to the hardware structure 1440 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping 1441 * @num_vsi: number of VSI handles in the array 1442 * @vsi_list_id: VSI list ID generated as part of allocate resource 1443 * 1444 * Helper function to create a new entry of VSI list ID to VSI mapping 1445 * using the given VSI list ID 1446 */ 1447 static struct ice_vsi_list_map_info * 1448 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 1449 u16 vsi_list_id) 1450 { 1451 struct ice_switch_info *sw = hw->switch_info; 1452 struct ice_vsi_list_map_info *v_map; 1453 int i; 1454 1455 v_map = (struct ice_vsi_list_map_info *)ice_calloc(hw, 1, 1456 sizeof(*v_map)); 1457 if (!v_map) 1458 return NULL; 1459 1460 v_map->vsi_list_id = vsi_list_id; 1461 v_map->ref_cnt = 1; 1462 for (i = 0; i < num_vsi; i++) 1463 ice_set_bit(vsi_handle_arr[i], v_map->vsi_map); 1464 1465 LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head); 1466 return v_map; 1467 } 1468 1469 /** 1470 * ice_update_vsi_list_rule 1471 * @hw: pointer to the hardware structure 1472 * @vsi_handle_arr: array of VSI handles to form a VSI list 1473 * @num_vsi: number of VSI handles in the array 1474 * @vsi_list_id: VSI list ID generated as part of allocate resource 1475 * @remove: Boolean value to indicate if this is a remove action 1476 * @opc: switch rules population command type - pass in the command opcode 1477 * @lkup_type: lookup type of the filter 1478 * 1479 * Call AQ command to add a new switch rule or update existing switch rule 1480 * using the given VSI list ID 1481 */ 1482 static enum ice_status 1483 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 1484 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc, 1485 enum ice_sw_lkup_type lkup_type) 1486 { 1487 struct ice_aqc_sw_rules_elem *s_rule; 1488 enum ice_status status; 1489 u16 s_rule_size; 1490 u16 rule_type; 1491 int i; 1492 1493 if (!num_vsi) 1494 return ICE_ERR_PARAM; 1495 1496 if (lkup_type == ICE_SW_LKUP_MAC || 1497 lkup_type == ICE_SW_LKUP_MAC_VLAN || 1498 lkup_type == ICE_SW_LKUP_ETHERTYPE || 1499 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 1500 lkup_type == ICE_SW_LKUP_PROMISC || 1501 lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 1502 lkup_type == ICE_SW_LKUP_LAST) 1503 rule_type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR : 1504 ICE_AQC_SW_RULES_T_VSI_LIST_SET; 1505 else if (lkup_type == ICE_SW_LKUP_VLAN) 1506 rule_type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR : 1507 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET; 1508 else 1509 return ICE_ERR_PARAM; 1510 1511 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi); 1512 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 1513 if (!s_rule) 1514 return ICE_ERR_NO_MEMORY; 1515 for (i = 0; i < num_vsi; i++) { 1516 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) { 1517 status = ICE_ERR_PARAM; 1518 goto exit; 1519 } 1520 /* AQ call requires hw_vsi_id(s) */ 1521 s_rule->pdata.vsi_list.vsi[i] = 1522 CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i])); 1523 } 1524 1525 s_rule->type = CPU_TO_LE16(rule_type); 1526 s_rule->pdata.vsi_list.number_vsi = CPU_TO_LE16(num_vsi); 1527 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id); 1528 1529 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL); 1530 1531 exit: 1532 ice_free(hw, s_rule); 1533 return status; 1534 } 1535 1536 /** 1537 * ice_create_vsi_list_rule - Creates and populates a VSI list rule 1538 * @hw: pointer to the HW struct 1539 * @vsi_handle_arr: array of VSI handles to form a VSI list 1540 * @num_vsi: number of VSI handles in the array 1541 * @vsi_list_id: stores the ID of the VSI list to be created 1542 * @lkup_type: switch rule filter's lookup type 1543 */ 1544 static enum ice_status 1545 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 1546 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type) 1547 { 1548 enum ice_status status; 1549 1550 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type, 1551 ice_aqc_opc_alloc_res); 1552 if (status) 1553 return status; 1554 1555 /* Update the newly created VSI list to include the specified VSIs */ 1556 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi, 1557 *vsi_list_id, false, 1558 ice_aqc_opc_add_sw_rules, lkup_type); 1559 } 1560 1561 /** 1562 * ice_create_pkt_fwd_rule 1563 * @hw: pointer to the hardware structure 1564 * @recp_list: corresponding filter management list 1565 * @f_entry: entry containing packet forwarding information 1566 * 1567 * Create switch rule with given filter information and add an entry 1568 * to the corresponding filter management list to track this switch rule 1569 * and VSI mapping 1570 */ 1571 static enum ice_status 1572 ice_create_pkt_fwd_rule(struct ice_hw *hw, struct ice_sw_recipe *recp_list, 1573 struct ice_fltr_list_entry *f_entry) 1574 { 1575 struct ice_fltr_mgmt_list_entry *fm_entry; 1576 struct ice_aqc_sw_rules_elem *s_rule; 1577 enum ice_status status; 1578 1579 s_rule = (struct ice_aqc_sw_rules_elem *) 1580 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE); 1581 if (!s_rule) 1582 return ICE_ERR_NO_MEMORY; 1583 fm_entry = (struct ice_fltr_mgmt_list_entry *) 1584 ice_malloc(hw, sizeof(*fm_entry)); 1585 if (!fm_entry) { 1586 status = ICE_ERR_NO_MEMORY; 1587 goto ice_create_pkt_fwd_rule_exit; 1588 } 1589 1590 fm_entry->fltr_info = f_entry->fltr_info; 1591 1592 /* Initialize all the fields for the management entry */ 1593 fm_entry->vsi_count = 1; 1594 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX; 1595 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID; 1596 fm_entry->counter_index = ICE_INVAL_COUNTER_ID; 1597 1598 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule, 1599 ice_aqc_opc_add_sw_rules); 1600 1601 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1, 1602 ice_aqc_opc_add_sw_rules, NULL); 1603 if (status) { 1604 ice_free(hw, fm_entry); 1605 goto ice_create_pkt_fwd_rule_exit; 1606 } 1607 1608 f_entry->fltr_info.fltr_rule_id = 1609 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 1610 fm_entry->fltr_info.fltr_rule_id = 1611 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 1612 1613 /* The book keeping entries will get removed when base driver 1614 * calls remove filter AQ command 1615 */ 1616 LIST_ADD(&fm_entry->list_entry, &recp_list->filt_rules); 1617 1618 ice_create_pkt_fwd_rule_exit: 1619 ice_free(hw, s_rule); 1620 return status; 1621 } 1622 1623 /** 1624 * ice_update_pkt_fwd_rule 1625 * @hw: pointer to the hardware structure 1626 * @f_info: filter information for switch rule 1627 * 1628 * Call AQ command to update a previously created switch rule with a 1629 * VSI list ID 1630 */ 1631 static enum ice_status 1632 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info) 1633 { 1634 struct ice_aqc_sw_rules_elem *s_rule; 1635 enum ice_status status; 1636 1637 s_rule = (struct ice_aqc_sw_rules_elem *) 1638 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE); 1639 if (!s_rule) 1640 return ICE_ERR_NO_MEMORY; 1641 1642 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules); 1643 1644 s_rule->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_info->fltr_rule_id); 1645 1646 /* Update switch rule with new rule set to forward VSI list */ 1647 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1, 1648 ice_aqc_opc_update_sw_rules, NULL); 1649 1650 ice_free(hw, s_rule); 1651 return status; 1652 } 1653 1654 /** 1655 * ice_update_sw_rule_bridge_mode 1656 * @hw: pointer to the HW struct 1657 * 1658 * Updates unicast switch filter rules based on VEB/VEPA mode 1659 */ 1660 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw) 1661 { 1662 struct ice_switch_info *sw = hw->switch_info; 1663 struct ice_fltr_mgmt_list_entry *fm_entry; 1664 enum ice_status status = ICE_SUCCESS; 1665 struct LIST_HEAD_TYPE *rule_head; 1666 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1667 1668 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; 1669 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; 1670 1671 ice_acquire_lock(rule_lock); 1672 LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry, 1673 list_entry) { 1674 struct ice_fltr_info *fi = &fm_entry->fltr_info; 1675 u8 *addr = fi->l_data.mac.mac_addr; 1676 1677 /* Update unicast Tx rules to reflect the selected 1678 * VEB/VEPA mode 1679 */ 1680 if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) && 1681 (fi->fltr_act == ICE_FWD_TO_VSI || 1682 fi->fltr_act == ICE_FWD_TO_VSI_LIST || 1683 fi->fltr_act == ICE_FWD_TO_Q || 1684 fi->fltr_act == ICE_FWD_TO_QGRP)) { 1685 status = ice_update_pkt_fwd_rule(hw, fi); 1686 if (status) 1687 break; 1688 } 1689 } 1690 1691 ice_release_lock(rule_lock); 1692 1693 return status; 1694 } 1695 1696 /** 1697 * ice_add_update_vsi_list 1698 * @hw: pointer to the hardware structure 1699 * @m_entry: pointer to current filter management list entry 1700 * @cur_fltr: filter information from the book keeping entry 1701 * @new_fltr: filter information with the new VSI to be added 1702 * 1703 * Call AQ command to add or update previously created VSI list with new VSI. 1704 * 1705 * Helper function to do book keeping associated with adding filter information 1706 * The algorithm to do the book keeping is described below : 1707 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.) 1708 * if only one VSI has been added till now 1709 * Allocate a new VSI list and add two VSIs 1710 * to this list using switch rule command 1711 * Update the previously created switch rule with the 1712 * newly created VSI list ID 1713 * if a VSI list was previously created 1714 * Add the new VSI to the previously created VSI list set 1715 * using the update switch rule command 1716 */ 1717 static enum ice_status 1718 ice_add_update_vsi_list(struct ice_hw *hw, 1719 struct ice_fltr_mgmt_list_entry *m_entry, 1720 struct ice_fltr_info *cur_fltr, 1721 struct ice_fltr_info *new_fltr) 1722 { 1723 enum ice_status status = ICE_SUCCESS; 1724 u16 vsi_list_id = 0; 1725 1726 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q || 1727 cur_fltr->fltr_act == ICE_FWD_TO_QGRP)) 1728 return ICE_ERR_NOT_IMPL; 1729 1730 if ((new_fltr->fltr_act == ICE_FWD_TO_Q || 1731 new_fltr->fltr_act == ICE_FWD_TO_QGRP) && 1732 (cur_fltr->fltr_act == ICE_FWD_TO_VSI || 1733 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST)) 1734 return ICE_ERR_NOT_IMPL; 1735 1736 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) { 1737 /* Only one entry existed in the mapping and it was not already 1738 * a part of a VSI list. So, create a VSI list with the old and 1739 * new VSIs. 1740 */ 1741 struct ice_fltr_info tmp_fltr; 1742 u16 vsi_handle_arr[2]; 1743 1744 /* A rule already exists with the new VSI being added */ 1745 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id) 1746 return ICE_ERR_ALREADY_EXISTS; 1747 1748 vsi_handle_arr[0] = cur_fltr->vsi_handle; 1749 vsi_handle_arr[1] = new_fltr->vsi_handle; 1750 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 1751 &vsi_list_id, 1752 new_fltr->lkup_type); 1753 if (status) 1754 return status; 1755 1756 tmp_fltr = *new_fltr; 1757 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id; 1758 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 1759 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 1760 /* Update the previous switch rule of "MAC forward to VSI" to 1761 * "MAC fwd to VSI list" 1762 */ 1763 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 1764 if (status) 1765 return status; 1766 1767 cur_fltr->fwd_id.vsi_list_id = vsi_list_id; 1768 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; 1769 m_entry->vsi_list_info = 1770 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 1771 vsi_list_id); 1772 1773 /* If this entry was large action then the large action needs 1774 * to be updated to point to FWD to VSI list 1775 */ 1776 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) 1777 status = 1778 ice_add_marker_act(hw, m_entry, 1779 m_entry->sw_marker_id, 1780 m_entry->lg_act_idx); 1781 } else { 1782 u16 vsi_handle = new_fltr->vsi_handle; 1783 enum ice_adminq_opc opcode; 1784 1785 if (!m_entry->vsi_list_info) 1786 return ICE_ERR_CFG; 1787 1788 /* A rule already exists with the new VSI being added */ 1789 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle)) 1790 return ICE_SUCCESS; 1791 1792 /* Update the previously created VSI list set with 1793 * the new VSI ID passed in 1794 */ 1795 vsi_list_id = cur_fltr->fwd_id.vsi_list_id; 1796 opcode = ice_aqc_opc_update_sw_rules; 1797 1798 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, 1799 vsi_list_id, false, opcode, 1800 new_fltr->lkup_type); 1801 /* update VSI list mapping info with new VSI ID */ 1802 if (!status) 1803 ice_set_bit(vsi_handle, 1804 m_entry->vsi_list_info->vsi_map); 1805 } 1806 if (!status) 1807 m_entry->vsi_count++; 1808 return status; 1809 } 1810 1811 /** 1812 * ice_find_rule_entry - Search a rule entry 1813 * @list_head: head of rule list 1814 * @f_info: rule information 1815 * 1816 * Helper function to search for a given rule entry 1817 * Returns pointer to entry storing the rule if found 1818 */ 1819 static struct ice_fltr_mgmt_list_entry * 1820 ice_find_rule_entry(struct LIST_HEAD_TYPE *list_head, 1821 struct ice_fltr_info *f_info) 1822 { 1823 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL; 1824 1825 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry, 1826 list_entry) { 1827 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data, 1828 sizeof(f_info->l_data)) && 1829 f_info->flag == list_itr->fltr_info.flag) { 1830 ret = list_itr; 1831 break; 1832 } 1833 } 1834 return ret; 1835 } 1836 1837 /** 1838 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1 1839 * @recp_list: VSI lists needs to be searched 1840 * @vsi_handle: VSI handle to be found in VSI list 1841 * @vsi_list_id: VSI list ID found containing vsi_handle 1842 * 1843 * Helper function to search a VSI list with single entry containing given VSI 1844 * handle element. This can be extended further to search VSI list with more 1845 * than 1 vsi_count. Returns pointer to VSI list entry if found. 1846 */ 1847 static struct ice_vsi_list_map_info * 1848 ice_find_vsi_list_entry(struct ice_sw_recipe *recp_list, u16 vsi_handle, 1849 u16 *vsi_list_id) 1850 { 1851 struct ice_vsi_list_map_info *map_info = NULL; 1852 struct LIST_HEAD_TYPE *list_head; 1853 1854 list_head = &recp_list->filt_rules; 1855 if (recp_list->adv_rule) { 1856 struct ice_adv_fltr_mgmt_list_entry *list_itr; 1857 1858 LIST_FOR_EACH_ENTRY(list_itr, list_head, 1859 ice_adv_fltr_mgmt_list_entry, 1860 list_entry) { 1861 if (list_itr->vsi_list_info) { 1862 map_info = list_itr->vsi_list_info; 1863 if (ice_is_bit_set(map_info->vsi_map, 1864 vsi_handle)) { 1865 *vsi_list_id = map_info->vsi_list_id; 1866 return map_info; 1867 } 1868 } 1869 } 1870 } else { 1871 struct ice_fltr_mgmt_list_entry *list_itr; 1872 1873 LIST_FOR_EACH_ENTRY(list_itr, list_head, 1874 ice_fltr_mgmt_list_entry, 1875 list_entry) { 1876 if (list_itr->vsi_count == 1 && 1877 list_itr->vsi_list_info) { 1878 map_info = list_itr->vsi_list_info; 1879 if (ice_is_bit_set(map_info->vsi_map, 1880 vsi_handle)) { 1881 *vsi_list_id = map_info->vsi_list_id; 1882 return map_info; 1883 } 1884 } 1885 } 1886 } 1887 return NULL; 1888 } 1889 1890 /** 1891 * ice_add_rule_internal - add rule for a given lookup type 1892 * @hw: pointer to the hardware structure 1893 * @recp_list: recipe list for which rule has to be added 1894 * @lport: logic port number on which function add rule 1895 * @f_entry: structure containing MAC forwarding information 1896 * 1897 * Adds or updates the rule lists for a given recipe 1898 */ 1899 static enum ice_status 1900 ice_add_rule_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list, 1901 u8 lport, struct ice_fltr_list_entry *f_entry) 1902 { 1903 struct ice_fltr_info *new_fltr, *cur_fltr; 1904 struct ice_fltr_mgmt_list_entry *m_entry; 1905 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1906 enum ice_status status = ICE_SUCCESS; 1907 1908 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 1909 return ICE_ERR_PARAM; 1910 1911 /* Load the hw_vsi_id only if the fwd action is fwd to VSI */ 1912 if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI) 1913 f_entry->fltr_info.fwd_id.hw_vsi_id = 1914 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 1915 1916 rule_lock = &recp_list->filt_rule_lock; 1917 1918 ice_acquire_lock(rule_lock); 1919 new_fltr = &f_entry->fltr_info; 1920 if (new_fltr->flag & ICE_FLTR_RX) 1921 new_fltr->src = lport; 1922 else if (new_fltr->flag & ICE_FLTR_TX) 1923 new_fltr->src = 1924 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 1925 1926 m_entry = ice_find_rule_entry(&recp_list->filt_rules, new_fltr); 1927 if (!m_entry) { 1928 status = ice_create_pkt_fwd_rule(hw, recp_list, f_entry); 1929 goto exit_add_rule_internal; 1930 } 1931 1932 cur_fltr = &m_entry->fltr_info; 1933 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr); 1934 1935 exit_add_rule_internal: 1936 ice_release_lock(rule_lock); 1937 return status; 1938 } 1939 1940 /** 1941 * ice_remove_vsi_list_rule 1942 * @hw: pointer to the hardware structure 1943 * @vsi_list_id: VSI list ID generated as part of allocate resource 1944 * @lkup_type: switch rule filter lookup type 1945 * 1946 * The VSI list should be emptied before this function is called to remove the 1947 * VSI list. 1948 */ 1949 static enum ice_status 1950 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id, 1951 enum ice_sw_lkup_type lkup_type) 1952 { 1953 struct ice_aqc_sw_rules_elem *s_rule; 1954 enum ice_status status; 1955 u16 s_rule_size; 1956 1957 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(0); 1958 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 1959 if (!s_rule) 1960 return ICE_ERR_NO_MEMORY; 1961 1962 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR); 1963 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id); 1964 1965 /* Free the vsi_list resource that we allocated. It is assumed that the 1966 * list is empty at this point. 1967 */ 1968 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type, 1969 ice_aqc_opc_free_res); 1970 1971 ice_free(hw, s_rule); 1972 return status; 1973 } 1974 1975 /** 1976 * ice_rem_update_vsi_list 1977 * @hw: pointer to the hardware structure 1978 * @vsi_handle: VSI handle of the VSI to remove 1979 * @fm_list: filter management entry for which the VSI list management needs to 1980 * be done 1981 */ 1982 static enum ice_status 1983 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle, 1984 struct ice_fltr_mgmt_list_entry *fm_list) 1985 { 1986 enum ice_sw_lkup_type lkup_type; 1987 enum ice_status status = ICE_SUCCESS; 1988 u16 vsi_list_id; 1989 1990 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST || 1991 fm_list->vsi_count == 0) 1992 return ICE_ERR_PARAM; 1993 1994 /* A rule with the VSI being removed does not exist */ 1995 if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle)) 1996 return ICE_ERR_DOES_NOT_EXIST; 1997 1998 lkup_type = fm_list->fltr_info.lkup_type; 1999 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id; 2000 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true, 2001 ice_aqc_opc_update_sw_rules, 2002 lkup_type); 2003 if (status) 2004 return status; 2005 2006 fm_list->vsi_count--; 2007 ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map); 2008 2009 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) { 2010 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info; 2011 struct ice_vsi_list_map_info *vsi_list_info = 2012 fm_list->vsi_list_info; 2013 u16 rem_vsi_handle; 2014 2015 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map, 2016 ICE_MAX_VSI); 2017 if (!ice_is_vsi_valid(hw, rem_vsi_handle)) 2018 return ICE_ERR_OUT_OF_RANGE; 2019 2020 /* Make sure VSI list is empty before removing it below */ 2021 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1, 2022 vsi_list_id, true, 2023 ice_aqc_opc_update_sw_rules, 2024 lkup_type); 2025 if (status) 2026 return status; 2027 2028 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI; 2029 tmp_fltr_info.fwd_id.hw_vsi_id = 2030 ice_get_hw_vsi_num(hw, rem_vsi_handle); 2031 tmp_fltr_info.vsi_handle = rem_vsi_handle; 2032 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info); 2033 if (status) { 2034 ice_debug(hw, ICE_DBG_SW, 2035 "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n", 2036 tmp_fltr_info.fwd_id.hw_vsi_id, status); 2037 return status; 2038 } 2039 2040 fm_list->fltr_info = tmp_fltr_info; 2041 } 2042 2043 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) || 2044 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) { 2045 struct ice_vsi_list_map_info *vsi_list_info = 2046 fm_list->vsi_list_info; 2047 2048 /* Remove the VSI list since it is no longer used */ 2049 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type); 2050 if (status) { 2051 ice_debug(hw, ICE_DBG_SW, 2052 "Failed to remove VSI list %d, error %d\n", 2053 vsi_list_id, status); 2054 return status; 2055 } 2056 2057 LIST_DEL(&vsi_list_info->list_entry); 2058 ice_free(hw, vsi_list_info); 2059 fm_list->vsi_list_info = NULL; 2060 } 2061 2062 return status; 2063 } 2064 2065 /** 2066 * ice_remove_rule_internal - Remove a filter rule of a given type 2067 * 2068 * @hw: pointer to the hardware structure 2069 * @recp_list: recipe list for which the rule needs to removed 2070 * @f_entry: rule entry containing filter information 2071 */ 2072 static enum ice_status 2073 ice_remove_rule_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list, 2074 struct ice_fltr_list_entry *f_entry) 2075 { 2076 struct ice_fltr_mgmt_list_entry *list_elem; 2077 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2078 enum ice_status status = ICE_SUCCESS; 2079 bool remove_rule = false; 2080 u16 vsi_handle; 2081 2082 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 2083 return ICE_ERR_PARAM; 2084 f_entry->fltr_info.fwd_id.hw_vsi_id = 2085 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 2086 2087 rule_lock = &recp_list->filt_rule_lock; 2088 ice_acquire_lock(rule_lock); 2089 list_elem = ice_find_rule_entry(&recp_list->filt_rules, 2090 &f_entry->fltr_info); 2091 if (!list_elem) { 2092 status = ICE_ERR_DOES_NOT_EXIST; 2093 goto exit; 2094 } 2095 2096 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) { 2097 remove_rule = true; 2098 } else if (!list_elem->vsi_list_info) { 2099 status = ICE_ERR_DOES_NOT_EXIST; 2100 goto exit; 2101 } else if (list_elem->vsi_list_info->ref_cnt > 1) { 2102 /* a ref_cnt > 1 indicates that the vsi_list is being 2103 * shared by multiple rules. Decrement the ref_cnt and 2104 * remove this rule, but do not modify the list, as it 2105 * is in-use by other rules. 2106 */ 2107 list_elem->vsi_list_info->ref_cnt--; 2108 remove_rule = true; 2109 } else { 2110 /* a ref_cnt of 1 indicates the vsi_list is only used 2111 * by one rule. However, the original removal request is only 2112 * for a single VSI. Update the vsi_list first, and only 2113 * remove the rule if there are no further VSIs in this list. 2114 */ 2115 vsi_handle = f_entry->fltr_info.vsi_handle; 2116 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem); 2117 if (status) 2118 goto exit; 2119 /* if VSI count goes to zero after updating the VSI list */ 2120 if (list_elem->vsi_count == 0) 2121 remove_rule = true; 2122 } 2123 2124 if (remove_rule) { 2125 /* Remove the lookup rule */ 2126 struct ice_aqc_sw_rules_elem *s_rule; 2127 2128 s_rule = (struct ice_aqc_sw_rules_elem *) 2129 ice_malloc(hw, ICE_SW_RULE_RX_TX_NO_HDR_SIZE); 2130 if (!s_rule) { 2131 status = ICE_ERR_NO_MEMORY; 2132 goto exit; 2133 } 2134 2135 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule, 2136 ice_aqc_opc_remove_sw_rules); 2137 2138 status = ice_aq_sw_rules(hw, s_rule, 2139 ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1, 2140 ice_aqc_opc_remove_sw_rules, NULL); 2141 2142 /* Remove a book keeping from the list */ 2143 ice_free(hw, s_rule); 2144 2145 if (status) 2146 goto exit; 2147 2148 LIST_DEL(&list_elem->list_entry); 2149 ice_free(hw, list_elem); 2150 } 2151 exit: 2152 ice_release_lock(rule_lock); 2153 return status; 2154 } 2155 2156 /** 2157 * ice_aq_get_res_alloc - get allocated resources 2158 * @hw: pointer to the HW struct 2159 * @num_entries: pointer to u16 to store the number of resource entries returned 2160 * @buf: pointer to user-supplied buffer 2161 * @buf_size: size of buff 2162 * @cd: pointer to command details structure or NULL 2163 * 2164 * The user-supplied buffer must be large enough to store the resource 2165 * information for all resource types. Each resource type is an 2166 * ice_aqc_get_res_resp_data_elem structure. 2167 */ 2168 enum ice_status 2169 ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries, void *buf, 2170 u16 buf_size, struct ice_sq_cd *cd) 2171 { 2172 struct ice_aqc_get_res_alloc *resp; 2173 enum ice_status status; 2174 struct ice_aq_desc desc; 2175 2176 if (!buf) 2177 return ICE_ERR_BAD_PTR; 2178 2179 if (buf_size < ICE_AQ_GET_RES_ALLOC_BUF_LEN) 2180 return ICE_ERR_INVAL_SIZE; 2181 2182 resp = &desc.params.get_res; 2183 2184 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_res_alloc); 2185 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 2186 2187 if (!status && num_entries) 2188 *num_entries = LE16_TO_CPU(resp->resp_elem_num); 2189 2190 return status; 2191 } 2192 2193 /** 2194 * ice_aq_get_res_descs - get allocated resource descriptors 2195 * @hw: pointer to the hardware structure 2196 * @num_entries: number of resource entries in buffer 2197 * @buf: Indirect buffer to hold data parameters and response 2198 * @buf_size: size of buffer for indirect commands 2199 * @res_type: resource type 2200 * @res_shared: is resource shared 2201 * @desc_id: input - first desc ID to start; output - next desc ID 2202 * @cd: pointer to command details structure or NULL 2203 */ 2204 enum ice_status 2205 ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries, 2206 struct ice_aqc_get_allocd_res_desc_resp *buf, 2207 u16 buf_size, u16 res_type, bool res_shared, u16 *desc_id, 2208 struct ice_sq_cd *cd) 2209 { 2210 struct ice_aqc_get_allocd_res_desc *cmd; 2211 struct ice_aq_desc desc; 2212 enum ice_status status; 2213 2214 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 2215 2216 cmd = &desc.params.get_res_desc; 2217 2218 if (!buf) 2219 return ICE_ERR_PARAM; 2220 2221 if (buf_size != (num_entries * sizeof(*buf))) 2222 return ICE_ERR_PARAM; 2223 2224 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_allocd_res_desc); 2225 2226 cmd->ops.cmd.res = CPU_TO_LE16(((res_type << ICE_AQC_RES_TYPE_S) & 2227 ICE_AQC_RES_TYPE_M) | (res_shared ? 2228 ICE_AQC_RES_TYPE_FLAG_SHARED : 0)); 2229 cmd->ops.cmd.first_desc = CPU_TO_LE16(*desc_id); 2230 2231 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 2232 if (!status) 2233 *desc_id = LE16_TO_CPU(cmd->ops.resp.next_desc); 2234 2235 return status; 2236 } 2237 2238 /** 2239 * ice_add_mac_rule - Add a MAC address based filter rule 2240 * @hw: pointer to the hardware structure 2241 * @m_list: list of MAC addresses and forwarding information 2242 * @sw: pointer to switch info struct for which function add rule 2243 * @lport: logic port number on which function add rule 2244 * 2245 * IMPORTANT: When the ucast_shared flag is set to false and m_list has 2246 * multiple unicast addresses, the function assumes that all the 2247 * addresses are unique in a given add_mac call. It doesn't 2248 * check for duplicates in this case, removing duplicates from a given 2249 * list should be taken care of in the caller of this function. 2250 */ 2251 static enum ice_status 2252 ice_add_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list, 2253 struct ice_switch_info *sw, u8 lport) 2254 { 2255 struct ice_sw_recipe *recp_list = &sw->recp_list[ICE_SW_LKUP_MAC]; 2256 struct ice_aqc_sw_rules_elem *s_rule, *r_iter; 2257 struct ice_fltr_list_entry *m_list_itr; 2258 struct LIST_HEAD_TYPE *rule_head; 2259 u16 total_elem_left, s_rule_size; 2260 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2261 enum ice_status status = ICE_SUCCESS; 2262 u16 num_unicast = 0; 2263 u8 elem_sent; 2264 2265 s_rule = NULL; 2266 rule_lock = &recp_list->filt_rule_lock; 2267 rule_head = &recp_list->filt_rules; 2268 2269 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 2270 list_entry) { 2271 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0]; 2272 u16 vsi_handle; 2273 u16 hw_vsi_id; 2274 2275 m_list_itr->fltr_info.flag = ICE_FLTR_TX; 2276 vsi_handle = m_list_itr->fltr_info.vsi_handle; 2277 if (!ice_is_vsi_valid(hw, vsi_handle)) 2278 return ICE_ERR_PARAM; 2279 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2280 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id; 2281 /* update the src in case it is VSI num */ 2282 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI) 2283 return ICE_ERR_PARAM; 2284 m_list_itr->fltr_info.src = hw_vsi_id; 2285 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC || 2286 IS_ZERO_ETHER_ADDR(add)) 2287 return ICE_ERR_PARAM; 2288 if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) { 2289 /* Don't overwrite the unicast address */ 2290 ice_acquire_lock(rule_lock); 2291 if (ice_find_rule_entry(rule_head, 2292 &m_list_itr->fltr_info)) { 2293 ice_release_lock(rule_lock); 2294 return ICE_ERR_ALREADY_EXISTS; 2295 } 2296 ice_release_lock(rule_lock); 2297 num_unicast++; 2298 } else if (IS_MULTICAST_ETHER_ADDR(add) || 2299 (IS_UNICAST_ETHER_ADDR(add) && hw->ucast_shared)) { 2300 m_list_itr->status = 2301 ice_add_rule_internal(hw, recp_list, lport, 2302 m_list_itr); 2303 if (m_list_itr->status) 2304 return m_list_itr->status; 2305 } 2306 } 2307 2308 ice_acquire_lock(rule_lock); 2309 /* Exit if no suitable entries were found for adding bulk switch rule */ 2310 if (!num_unicast) { 2311 status = ICE_SUCCESS; 2312 goto ice_add_mac_exit; 2313 } 2314 2315 /* Allocate switch rule buffer for the bulk update for unicast */ 2316 s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE; 2317 s_rule = (struct ice_aqc_sw_rules_elem *) 2318 ice_calloc(hw, num_unicast, s_rule_size); 2319 if (!s_rule) { 2320 status = ICE_ERR_NO_MEMORY; 2321 goto ice_add_mac_exit; 2322 } 2323 2324 r_iter = s_rule; 2325 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 2326 list_entry) { 2327 struct ice_fltr_info *f_info = &m_list_itr->fltr_info; 2328 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; 2329 2330 if (IS_UNICAST_ETHER_ADDR(mac_addr)) { 2331 ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter, 2332 ice_aqc_opc_add_sw_rules); 2333 r_iter = (struct ice_aqc_sw_rules_elem *) 2334 ((u8 *)r_iter + s_rule_size); 2335 } 2336 } 2337 2338 /* Call AQ bulk switch rule update for all unicast addresses */ 2339 r_iter = s_rule; 2340 /* Call AQ switch rule in AQ_MAX chunk */ 2341 for (total_elem_left = num_unicast; total_elem_left > 0; 2342 total_elem_left -= elem_sent) { 2343 struct ice_aqc_sw_rules_elem *entry = r_iter; 2344 2345 elem_sent = MIN_T(u8, total_elem_left, 2346 (ICE_AQ_MAX_BUF_LEN / s_rule_size)); 2347 status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size, 2348 elem_sent, ice_aqc_opc_add_sw_rules, 2349 NULL); 2350 if (status) 2351 goto ice_add_mac_exit; 2352 r_iter = (struct ice_aqc_sw_rules_elem *) 2353 ((u8 *)r_iter + (elem_sent * s_rule_size)); 2354 } 2355 2356 /* Fill up rule ID based on the value returned from FW */ 2357 r_iter = s_rule; 2358 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 2359 list_entry) { 2360 struct ice_fltr_info *f_info = &m_list_itr->fltr_info; 2361 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; 2362 struct ice_fltr_mgmt_list_entry *fm_entry; 2363 2364 if (IS_UNICAST_ETHER_ADDR(mac_addr)) { 2365 f_info->fltr_rule_id = 2366 LE16_TO_CPU(r_iter->pdata.lkup_tx_rx.index); 2367 f_info->fltr_act = ICE_FWD_TO_VSI; 2368 /* Create an entry to track this MAC address */ 2369 fm_entry = (struct ice_fltr_mgmt_list_entry *) 2370 ice_malloc(hw, sizeof(*fm_entry)); 2371 if (!fm_entry) { 2372 status = ICE_ERR_NO_MEMORY; 2373 goto ice_add_mac_exit; 2374 } 2375 fm_entry->fltr_info = *f_info; 2376 fm_entry->vsi_count = 1; 2377 /* The book keeping entries will get removed when 2378 * base driver calls remove filter AQ command 2379 */ 2380 2381 LIST_ADD(&fm_entry->list_entry, rule_head); 2382 r_iter = (struct ice_aqc_sw_rules_elem *) 2383 ((u8 *)r_iter + s_rule_size); 2384 } 2385 } 2386 2387 ice_add_mac_exit: 2388 ice_release_lock(rule_lock); 2389 if (s_rule) 2390 ice_free(hw, s_rule); 2391 return status; 2392 } 2393 2394 /** 2395 * ice_add_mac - Add a MAC address based filter rule 2396 * @hw: pointer to the hardware structure 2397 * @m_list: list of MAC addresses and forwarding information 2398 * 2399 * Function add MAC rule for logical port from HW struct 2400 */ 2401 enum ice_status 2402 ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list) 2403 { 2404 if (!m_list || !hw) 2405 return ICE_ERR_PARAM; 2406 2407 return ice_add_mac_rule(hw, m_list, hw->switch_info, 2408 hw->port_info->lport); 2409 } 2410 2411 /** 2412 * ice_add_vlan_internal - Add one VLAN based filter rule 2413 * @hw: pointer to the hardware structure 2414 * @recp_list: recipe list for which rule has to be added 2415 * @f_entry: filter entry containing one VLAN information 2416 */ 2417 static enum ice_status 2418 ice_add_vlan_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list, 2419 struct ice_fltr_list_entry *f_entry) 2420 { 2421 struct ice_fltr_mgmt_list_entry *v_list_itr; 2422 struct ice_fltr_info *new_fltr, *cur_fltr; 2423 enum ice_sw_lkup_type lkup_type; 2424 u16 vsi_list_id = 0, vsi_handle; 2425 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2426 enum ice_status status = ICE_SUCCESS; 2427 2428 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 2429 return ICE_ERR_PARAM; 2430 2431 f_entry->fltr_info.fwd_id.hw_vsi_id = 2432 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 2433 new_fltr = &f_entry->fltr_info; 2434 2435 /* VLAN ID should only be 12 bits */ 2436 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID) 2437 return ICE_ERR_PARAM; 2438 2439 if (new_fltr->src_id != ICE_SRC_ID_VSI) 2440 return ICE_ERR_PARAM; 2441 2442 new_fltr->src = new_fltr->fwd_id.hw_vsi_id; 2443 lkup_type = new_fltr->lkup_type; 2444 vsi_handle = new_fltr->vsi_handle; 2445 rule_lock = &recp_list->filt_rule_lock; 2446 ice_acquire_lock(rule_lock); 2447 v_list_itr = ice_find_rule_entry(&recp_list->filt_rules, new_fltr); 2448 if (!v_list_itr) { 2449 struct ice_vsi_list_map_info *map_info = NULL; 2450 2451 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) { 2452 /* All VLAN pruning rules use a VSI list. Check if 2453 * there is already a VSI list containing VSI that we 2454 * want to add. If found, use the same vsi_list_id for 2455 * this new VLAN rule or else create a new list. 2456 */ 2457 map_info = ice_find_vsi_list_entry(recp_list, 2458 vsi_handle, 2459 &vsi_list_id); 2460 if (!map_info) { 2461 status = ice_create_vsi_list_rule(hw, 2462 &vsi_handle, 2463 1, 2464 &vsi_list_id, 2465 lkup_type); 2466 if (status) 2467 goto exit; 2468 } 2469 /* Convert the action to forwarding to a VSI list. */ 2470 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; 2471 new_fltr->fwd_id.vsi_list_id = vsi_list_id; 2472 } 2473 2474 status = ice_create_pkt_fwd_rule(hw, recp_list, f_entry); 2475 if (!status) { 2476 v_list_itr = ice_find_rule_entry(&recp_list->filt_rules, 2477 new_fltr); 2478 if (!v_list_itr) { 2479 status = ICE_ERR_DOES_NOT_EXIST; 2480 goto exit; 2481 } 2482 /* reuse VSI list for new rule and increment ref_cnt */ 2483 if (map_info) { 2484 v_list_itr->vsi_list_info = map_info; 2485 map_info->ref_cnt++; 2486 } else { 2487 v_list_itr->vsi_list_info = 2488 ice_create_vsi_list_map(hw, &vsi_handle, 2489 1, vsi_list_id); 2490 } 2491 } 2492 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) { 2493 /* Update existing VSI list to add new VSI ID only if it used 2494 * by one VLAN rule. 2495 */ 2496 cur_fltr = &v_list_itr->fltr_info; 2497 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr, 2498 new_fltr); 2499 } else { 2500 /* If VLAN rule exists and VSI list being used by this rule is 2501 * referenced by more than 1 VLAN rule. Then create a new VSI 2502 * list appending previous VSI with new VSI and update existing 2503 * VLAN rule to point to new VSI list ID 2504 */ 2505 struct ice_fltr_info tmp_fltr; 2506 u16 vsi_handle_arr[2]; 2507 u16 cur_handle; 2508 2509 /* Current implementation only supports reusing VSI list with 2510 * one VSI count. We should never hit below condition 2511 */ 2512 if (v_list_itr->vsi_count > 1 && 2513 v_list_itr->vsi_list_info->ref_cnt > 1) { 2514 ice_debug(hw, ICE_DBG_SW, 2515 "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n"); 2516 status = ICE_ERR_CFG; 2517 goto exit; 2518 } 2519 2520 cur_handle = 2521 ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map, 2522 ICE_MAX_VSI); 2523 2524 /* A rule already exists with the new VSI being added */ 2525 if (cur_handle == vsi_handle) { 2526 status = ICE_ERR_ALREADY_EXISTS; 2527 goto exit; 2528 } 2529 2530 vsi_handle_arr[0] = cur_handle; 2531 vsi_handle_arr[1] = vsi_handle; 2532 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 2533 &vsi_list_id, lkup_type); 2534 if (status) 2535 goto exit; 2536 2537 tmp_fltr = v_list_itr->fltr_info; 2538 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id; 2539 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 2540 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 2541 /* Update the previous switch rule to a new VSI list which 2542 * includes current VSI that is requested 2543 */ 2544 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 2545 if (status) 2546 goto exit; 2547 2548 /* before overriding VSI list map info. decrement ref_cnt of 2549 * previous VSI list 2550 */ 2551 v_list_itr->vsi_list_info->ref_cnt--; 2552 2553 /* now update to newly created list */ 2554 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id; 2555 v_list_itr->vsi_list_info = 2556 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 2557 vsi_list_id); 2558 v_list_itr->vsi_count++; 2559 } 2560 2561 exit: 2562 ice_release_lock(rule_lock); 2563 return status; 2564 } 2565 2566 /** 2567 * ice_add_vlan_rule - Add VLAN based filter rule 2568 * @hw: pointer to the hardware structure 2569 * @v_list: list of VLAN entries and forwarding information 2570 * @sw: pointer to switch info struct for which function add rule 2571 */ 2572 static enum ice_status 2573 ice_add_vlan_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list, 2574 struct ice_switch_info *sw) 2575 { 2576 struct ice_fltr_list_entry *v_list_itr; 2577 struct ice_sw_recipe *recp_list; 2578 2579 recp_list = &sw->recp_list[ICE_SW_LKUP_VLAN]; 2580 LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry, 2581 list_entry) { 2582 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN) 2583 return ICE_ERR_PARAM; 2584 v_list_itr->fltr_info.flag = ICE_FLTR_TX; 2585 v_list_itr->status = ice_add_vlan_internal(hw, recp_list, 2586 v_list_itr); 2587 if (v_list_itr->status) 2588 return v_list_itr->status; 2589 } 2590 return ICE_SUCCESS; 2591 } 2592 2593 /** 2594 * ice_add_vlan - Add a VLAN based filter rule 2595 * @hw: pointer to the hardware structure 2596 * @v_list: list of VLAN and forwarding information 2597 * 2598 * Function add VLAN rule for logical port from HW struct 2599 */ 2600 enum ice_status 2601 ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list) 2602 { 2603 if (!v_list || !hw) 2604 return ICE_ERR_PARAM; 2605 2606 return ice_add_vlan_rule(hw, v_list, hw->switch_info); 2607 } 2608 2609 /** 2610 * ice_add_eth_mac_rule - Add ethertype and MAC based filter rule 2611 * @hw: pointer to the hardware structure 2612 * @em_list: list of ether type MAC filter, MAC is optional 2613 * @sw: pointer to switch info struct for which function add rule 2614 * @lport: logic port number on which function add rule 2615 * 2616 * This function requires the caller to populate the entries in 2617 * the filter list with the necessary fields (including flags to 2618 * indicate Tx or Rx rules). 2619 */ 2620 static enum ice_status 2621 ice_add_eth_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list, 2622 struct ice_switch_info *sw, u8 lport) 2623 { 2624 struct ice_fltr_list_entry *em_list_itr; 2625 2626 LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry, 2627 list_entry) { 2628 struct ice_sw_recipe *recp_list; 2629 enum ice_sw_lkup_type l_type; 2630 2631 l_type = em_list_itr->fltr_info.lkup_type; 2632 recp_list = &sw->recp_list[l_type]; 2633 2634 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC && 2635 l_type != ICE_SW_LKUP_ETHERTYPE) 2636 return ICE_ERR_PARAM; 2637 2638 em_list_itr->status = ice_add_rule_internal(hw, recp_list, 2639 lport, 2640 em_list_itr); 2641 if (em_list_itr->status) 2642 return em_list_itr->status; 2643 } 2644 return ICE_SUCCESS; 2645 } 2646 2647 enum ice_status 2648 /** 2649 * ice_add_eth_mac - Add a ethertype based filter rule 2650 * @hw: pointer to the hardware structure 2651 * @em_list: list of ethertype and forwarding information 2652 * 2653 * Function add ethertype rule for logical port from HW struct 2654 */ 2655 ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list) 2656 { 2657 if (!em_list || !hw) 2658 return ICE_ERR_PARAM; 2659 2660 return ice_add_eth_mac_rule(hw, em_list, hw->switch_info, 2661 hw->port_info->lport); 2662 } 2663 2664 /** 2665 * ice_remove_eth_mac_rule - Remove an ethertype (or MAC) based filter rule 2666 * @hw: pointer to the hardware structure 2667 * @em_list: list of ethertype or ethertype MAC entries 2668 * @sw: pointer to switch info struct for which function add rule 2669 */ 2670 static enum ice_status 2671 ice_remove_eth_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list, 2672 struct ice_switch_info *sw) 2673 { 2674 struct ice_fltr_list_entry *em_list_itr, *tmp; 2675 2676 LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry, 2677 list_entry) { 2678 struct ice_sw_recipe *recp_list; 2679 enum ice_sw_lkup_type l_type; 2680 2681 l_type = em_list_itr->fltr_info.lkup_type; 2682 2683 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC && 2684 l_type != ICE_SW_LKUP_ETHERTYPE) 2685 return ICE_ERR_PARAM; 2686 2687 recp_list = &sw->recp_list[l_type]; 2688 em_list_itr->status = ice_remove_rule_internal(hw, recp_list, 2689 em_list_itr); 2690 if (em_list_itr->status) 2691 return em_list_itr->status; 2692 } 2693 return ICE_SUCCESS; 2694 } 2695 2696 /** 2697 * ice_remove_eth_mac - remove a ethertype based filter rule 2698 * @hw: pointer to the hardware structure 2699 * @em_list: list of ethertype and forwarding information 2700 * 2701 */ 2702 enum ice_status 2703 ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list) 2704 { 2705 if (!em_list || !hw) 2706 return ICE_ERR_PARAM; 2707 2708 return ice_remove_eth_mac_rule(hw, em_list, hw->switch_info); 2709 } 2710 2711 /** 2712 * ice_rem_sw_rule_info 2713 * @hw: pointer to the hardware structure 2714 * @rule_head: pointer to the switch list structure that we want to delete 2715 */ 2716 static void 2717 ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head) 2718 { 2719 if (!LIST_EMPTY(rule_head)) { 2720 struct ice_fltr_mgmt_list_entry *entry; 2721 struct ice_fltr_mgmt_list_entry *tmp; 2722 2723 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head, 2724 ice_fltr_mgmt_list_entry, list_entry) { 2725 LIST_DEL(&entry->list_entry); 2726 ice_free(hw, entry); 2727 } 2728 } 2729 } 2730 2731 /** 2732 * ice_rem_all_sw_rules_info 2733 * @hw: pointer to the hardware structure 2734 */ 2735 void ice_rem_all_sw_rules_info(struct ice_hw *hw) 2736 { 2737 struct ice_switch_info *sw = hw->switch_info; 2738 u8 i; 2739 2740 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 2741 struct LIST_HEAD_TYPE *rule_head; 2742 2743 rule_head = &sw->recp_list[i].filt_rules; 2744 if (!sw->recp_list[i].adv_rule) 2745 ice_rem_sw_rule_info(hw, rule_head); 2746 } 2747 } 2748 2749 /** 2750 * ice_cfg_dflt_vsi - change state of VSI to set/clear default 2751 * @pi: pointer to the port_info structure 2752 * @vsi_handle: VSI handle to set as default 2753 * @set: true to add the above mentioned switch rule, false to remove it 2754 * @direction: ICE_FLTR_RX or ICE_FLTR_TX 2755 * 2756 * add filter rule to set/unset given VSI as default VSI for the switch 2757 * (represented by swid) 2758 */ 2759 enum ice_status 2760 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, 2761 u8 direction) 2762 { 2763 struct ice_aqc_sw_rules_elem *s_rule; 2764 struct ice_fltr_info f_info; 2765 struct ice_hw *hw = pi->hw; 2766 enum ice_adminq_opc opcode; 2767 enum ice_status status; 2768 u16 s_rule_size; 2769 u16 hw_vsi_id; 2770 2771 if (!ice_is_vsi_valid(hw, vsi_handle)) 2772 return ICE_ERR_PARAM; 2773 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2774 2775 s_rule_size = set ? ICE_SW_RULE_RX_TX_ETH_HDR_SIZE : 2776 ICE_SW_RULE_RX_TX_NO_HDR_SIZE; 2777 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 2778 if (!s_rule) 2779 return ICE_ERR_NO_MEMORY; 2780 2781 ice_memset(&f_info, 0, sizeof(f_info), ICE_NONDMA_MEM); 2782 2783 f_info.lkup_type = ICE_SW_LKUP_DFLT; 2784 f_info.flag = direction; 2785 f_info.fltr_act = ICE_FWD_TO_VSI; 2786 f_info.fwd_id.hw_vsi_id = hw_vsi_id; 2787 2788 if (f_info.flag & ICE_FLTR_RX) { 2789 f_info.src = pi->lport; 2790 f_info.src_id = ICE_SRC_ID_LPORT; 2791 if (!set) 2792 f_info.fltr_rule_id = 2793 pi->dflt_rx_vsi_rule_id; 2794 } else if (f_info.flag & ICE_FLTR_TX) { 2795 f_info.src_id = ICE_SRC_ID_VSI; 2796 f_info.src = hw_vsi_id; 2797 if (!set) 2798 f_info.fltr_rule_id = 2799 pi->dflt_tx_vsi_rule_id; 2800 } 2801 2802 if (set) 2803 opcode = ice_aqc_opc_add_sw_rules; 2804 else 2805 opcode = ice_aqc_opc_remove_sw_rules; 2806 2807 ice_fill_sw_rule(hw, &f_info, s_rule, opcode); 2808 2809 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opcode, NULL); 2810 if (status || !(f_info.flag & ICE_FLTR_TX_RX)) 2811 goto out; 2812 if (set) { 2813 u16 index = LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 2814 2815 if (f_info.flag & ICE_FLTR_TX) { 2816 pi->dflt_tx_vsi_num = hw_vsi_id; 2817 pi->dflt_tx_vsi_rule_id = index; 2818 } else if (f_info.flag & ICE_FLTR_RX) { 2819 pi->dflt_rx_vsi_num = hw_vsi_id; 2820 pi->dflt_rx_vsi_rule_id = index; 2821 } 2822 } else { 2823 if (f_info.flag & ICE_FLTR_TX) { 2824 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL; 2825 pi->dflt_tx_vsi_rule_id = ICE_INVAL_ACT; 2826 } else if (f_info.flag & ICE_FLTR_RX) { 2827 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL; 2828 pi->dflt_rx_vsi_rule_id = ICE_INVAL_ACT; 2829 } 2830 } 2831 2832 out: 2833 ice_free(hw, s_rule); 2834 return status; 2835 } 2836 2837 /** 2838 * ice_find_ucast_rule_entry - Search for a unicast MAC filter rule entry 2839 * @list_head: head of rule list 2840 * @f_info: rule information 2841 * 2842 * Helper function to search for a unicast rule entry - this is to be used 2843 * to remove unicast MAC filter that is not shared with other VSIs on the 2844 * PF switch. 2845 * 2846 * Returns pointer to entry storing the rule if found 2847 */ 2848 static struct ice_fltr_mgmt_list_entry * 2849 ice_find_ucast_rule_entry(struct LIST_HEAD_TYPE *list_head, 2850 struct ice_fltr_info *f_info) 2851 { 2852 struct ice_fltr_mgmt_list_entry *list_itr; 2853 2854 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry, 2855 list_entry) { 2856 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data, 2857 sizeof(f_info->l_data)) && 2858 f_info->fwd_id.hw_vsi_id == 2859 list_itr->fltr_info.fwd_id.hw_vsi_id && 2860 f_info->flag == list_itr->fltr_info.flag) 2861 return list_itr; 2862 } 2863 return NULL; 2864 } 2865 2866 /** 2867 * ice_remove_mac_rule - remove a MAC based filter rule 2868 * @hw: pointer to the hardware structure 2869 * @m_list: list of MAC addresses and forwarding information 2870 * @recp_list: list from which function remove MAC address 2871 * 2872 * This function removes either a MAC filter rule or a specific VSI from a 2873 * VSI list for a multicast MAC address. 2874 * 2875 * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by 2876 * ice_add_mac. Caller should be aware that this call will only work if all 2877 * the entries passed into m_list were added previously. It will not attempt to 2878 * do a partial remove of entries that were found. 2879 */ 2880 static enum ice_status 2881 ice_remove_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list, 2882 struct ice_sw_recipe *recp_list) 2883 { 2884 struct ice_fltr_list_entry *list_itr, *tmp; 2885 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2886 2887 if (!m_list) 2888 return ICE_ERR_PARAM; 2889 2890 rule_lock = &recp_list->filt_rule_lock; 2891 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry, 2892 list_entry) { 2893 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type; 2894 u8 *add = &list_itr->fltr_info.l_data.mac.mac_addr[0]; 2895 u16 vsi_handle; 2896 2897 if (l_type != ICE_SW_LKUP_MAC) 2898 return ICE_ERR_PARAM; 2899 2900 vsi_handle = list_itr->fltr_info.vsi_handle; 2901 if (!ice_is_vsi_valid(hw, vsi_handle)) 2902 return ICE_ERR_PARAM; 2903 2904 list_itr->fltr_info.fwd_id.hw_vsi_id = 2905 ice_get_hw_vsi_num(hw, vsi_handle); 2906 if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) { 2907 /* Don't remove the unicast address that belongs to 2908 * another VSI on the switch, since it is not being 2909 * shared... 2910 */ 2911 ice_acquire_lock(rule_lock); 2912 if (!ice_find_ucast_rule_entry(&recp_list->filt_rules, 2913 &list_itr->fltr_info)) { 2914 ice_release_lock(rule_lock); 2915 return ICE_ERR_DOES_NOT_EXIST; 2916 } 2917 ice_release_lock(rule_lock); 2918 } 2919 list_itr->status = ice_remove_rule_internal(hw, recp_list, 2920 list_itr); 2921 if (list_itr->status) 2922 return list_itr->status; 2923 } 2924 return ICE_SUCCESS; 2925 } 2926 2927 /** 2928 * ice_remove_mac - remove a MAC address based filter rule 2929 * @hw: pointer to the hardware structure 2930 * @m_list: list of MAC addresses and forwarding information 2931 * 2932 */ 2933 enum ice_status 2934 ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list) 2935 { 2936 struct ice_sw_recipe *recp_list; 2937 2938 recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC]; 2939 return ice_remove_mac_rule(hw, m_list, recp_list); 2940 } 2941 2942 /** 2943 * ice_remove_vlan_rule - Remove VLAN based filter rule 2944 * @hw: pointer to the hardware structure 2945 * @v_list: list of VLAN entries and forwarding information 2946 * @recp_list: list from which function remove VLAN 2947 */ 2948 static enum ice_status 2949 ice_remove_vlan_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list, 2950 struct ice_sw_recipe *recp_list) 2951 { 2952 struct ice_fltr_list_entry *v_list_itr, *tmp; 2953 2954 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry, 2955 list_entry) { 2956 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type; 2957 2958 if (l_type != ICE_SW_LKUP_VLAN) 2959 return ICE_ERR_PARAM; 2960 v_list_itr->status = ice_remove_rule_internal(hw, recp_list, 2961 v_list_itr); 2962 if (v_list_itr->status) 2963 return v_list_itr->status; 2964 } 2965 return ICE_SUCCESS; 2966 } 2967 2968 /** 2969 * ice_remove_vlan - remove a VLAN address based filter rule 2970 * @hw: pointer to the hardware structure 2971 * @v_list: list of VLAN and forwarding information 2972 * 2973 */ 2974 enum ice_status 2975 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list) 2976 { 2977 struct ice_sw_recipe *recp_list; 2978 2979 if (!v_list || !hw) 2980 return ICE_ERR_PARAM; 2981 2982 recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_VLAN]; 2983 return ice_remove_vlan_rule(hw, v_list, recp_list); 2984 } 2985 2986 /** 2987 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter 2988 * @fm_entry: filter entry to inspect 2989 * @vsi_handle: VSI handle to compare with filter info 2990 */ 2991 static bool 2992 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle) 2993 { 2994 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI && 2995 fm_entry->fltr_info.vsi_handle == vsi_handle) || 2996 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST && 2997 (ice_is_bit_set(fm_entry->vsi_list_info->vsi_map, 2998 vsi_handle)))); 2999 } 3000 3001 /** 3002 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list 3003 * @hw: pointer to the hardware structure 3004 * @vsi_handle: VSI handle to remove filters from 3005 * @vsi_list_head: pointer to the list to add entry to 3006 * @fi: pointer to fltr_info of filter entry to copy & add 3007 * 3008 * Helper function, used when creating a list of filters to remove from 3009 * a specific VSI. The entry added to vsi_list_head is a COPY of the 3010 * original filter entry, with the exception of fltr_info.fltr_act and 3011 * fltr_info.fwd_id fields. These are set such that later logic can 3012 * extract which VSI to remove the fltr from, and pass on that information. 3013 */ 3014 static enum ice_status 3015 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, 3016 struct LIST_HEAD_TYPE *vsi_list_head, 3017 struct ice_fltr_info *fi) 3018 { 3019 struct ice_fltr_list_entry *tmp; 3020 3021 /* this memory is freed up in the caller function 3022 * once filters for this VSI are removed 3023 */ 3024 tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp)); 3025 if (!tmp) 3026 return ICE_ERR_NO_MEMORY; 3027 3028 tmp->fltr_info = *fi; 3029 3030 /* Overwrite these fields to indicate which VSI to remove filter from, 3031 * so find and remove logic can extract the information from the 3032 * list entries. Note that original entries will still have proper 3033 * values. 3034 */ 3035 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 3036 tmp->fltr_info.vsi_handle = vsi_handle; 3037 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 3038 3039 LIST_ADD(&tmp->list_entry, vsi_list_head); 3040 3041 return ICE_SUCCESS; 3042 } 3043 3044 /** 3045 * ice_add_to_vsi_fltr_list - Add VSI filters to the list 3046 * @hw: pointer to the hardware structure 3047 * @vsi_handle: VSI handle to remove filters from 3048 * @lkup_list_head: pointer to the list that has certain lookup type filters 3049 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle 3050 * 3051 * Locates all filters in lkup_list_head that are used by the given VSI, 3052 * and adds COPIES of those entries to vsi_list_head (intended to be used 3053 * to remove the listed filters). 3054 * Note that this means all entries in vsi_list_head must be explicitly 3055 * deallocated by the caller when done with list. 3056 */ 3057 static enum ice_status 3058 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, 3059 struct LIST_HEAD_TYPE *lkup_list_head, 3060 struct LIST_HEAD_TYPE *vsi_list_head) 3061 { 3062 struct ice_fltr_mgmt_list_entry *fm_entry; 3063 enum ice_status status = ICE_SUCCESS; 3064 3065 /* check to make sure VSI ID is valid and within boundary */ 3066 if (!ice_is_vsi_valid(hw, vsi_handle)) 3067 return ICE_ERR_PARAM; 3068 3069 LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head, 3070 ice_fltr_mgmt_list_entry, list_entry) { 3071 struct ice_fltr_info *fi; 3072 3073 fi = &fm_entry->fltr_info; 3074 if (!fi || !ice_vsi_uses_fltr(fm_entry, vsi_handle)) 3075 continue; 3076 3077 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, 3078 vsi_list_head, fi); 3079 if (status) 3080 return status; 3081 } 3082 return status; 3083 } 3084 3085 /** 3086 * ice_determine_promisc_mask 3087 * @fi: filter info to parse 3088 * 3089 * Helper function to determine which ICE_PROMISC_ mask corresponds 3090 * to given filter into. 3091 */ 3092 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi) 3093 { 3094 u16 vid = fi->l_data.mac_vlan.vlan_id; 3095 u8 *macaddr = fi->l_data.mac.mac_addr; 3096 bool is_tx_fltr = false; 3097 u8 promisc_mask = 0; 3098 3099 if (fi->flag == ICE_FLTR_TX) 3100 is_tx_fltr = true; 3101 3102 if (IS_BROADCAST_ETHER_ADDR(macaddr)) 3103 promisc_mask |= is_tx_fltr ? 3104 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX; 3105 else if (IS_MULTICAST_ETHER_ADDR(macaddr)) 3106 promisc_mask |= is_tx_fltr ? 3107 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX; 3108 else if (IS_UNICAST_ETHER_ADDR(macaddr)) 3109 promisc_mask |= is_tx_fltr ? 3110 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX; 3111 if (vid) 3112 promisc_mask |= is_tx_fltr ? 3113 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX; 3114 3115 return promisc_mask; 3116 } 3117 3118 /** 3119 * ice_get_vsi_promisc - get promiscuous mode of given VSI 3120 * @hw: pointer to the hardware structure 3121 * @vsi_handle: VSI handle to retrieve info from 3122 * @promisc_mask: pointer to mask to be filled in 3123 * @vid: VLAN ID of promisc VLAN VSI 3124 */ 3125 enum ice_status 3126 ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask, 3127 u16 *vid) 3128 { 3129 struct ice_switch_info *sw = hw->switch_info; 3130 struct ice_fltr_mgmt_list_entry *itr; 3131 struct LIST_HEAD_TYPE *rule_head; 3132 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3133 3134 if (!ice_is_vsi_valid(hw, vsi_handle)) 3135 return ICE_ERR_PARAM; 3136 3137 *vid = 0; 3138 *promisc_mask = 0; 3139 rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rules; 3140 rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rule_lock; 3141 3142 ice_acquire_lock(rule_lock); 3143 LIST_FOR_EACH_ENTRY(itr, rule_head, 3144 ice_fltr_mgmt_list_entry, list_entry) { 3145 /* Continue if this filter doesn't apply to this VSI or the 3146 * VSI ID is not in the VSI map for this filter 3147 */ 3148 if (!ice_vsi_uses_fltr(itr, vsi_handle)) 3149 continue; 3150 3151 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info); 3152 } 3153 ice_release_lock(rule_lock); 3154 3155 return ICE_SUCCESS; 3156 } 3157 3158 /** 3159 * ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI 3160 * @hw: pointer to the hardware structure 3161 * @vsi_handle: VSI handle to retrieve info from 3162 * @promisc_mask: pointer to mask to be filled in 3163 * @vid: VLAN ID of promisc VLAN VSI 3164 */ 3165 enum ice_status 3166 ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask, 3167 u16 *vid) 3168 { 3169 struct ice_switch_info *sw = hw->switch_info; 3170 struct ice_fltr_mgmt_list_entry *itr; 3171 struct LIST_HEAD_TYPE *rule_head; 3172 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3173 3174 if (!ice_is_vsi_valid(hw, vsi_handle)) 3175 return ICE_ERR_PARAM; 3176 3177 *vid = 0; 3178 *promisc_mask = 0; 3179 rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rules; 3180 rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rule_lock; 3181 3182 ice_acquire_lock(rule_lock); 3183 LIST_FOR_EACH_ENTRY(itr, rule_head, ice_fltr_mgmt_list_entry, 3184 list_entry) { 3185 /* Continue if this filter doesn't apply to this VSI or the 3186 * VSI ID is not in the VSI map for this filter 3187 */ 3188 if (!ice_vsi_uses_fltr(itr, vsi_handle)) 3189 continue; 3190 3191 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info); 3192 } 3193 ice_release_lock(rule_lock); 3194 3195 return ICE_SUCCESS; 3196 } 3197 3198 /** 3199 * ice_remove_promisc - Remove promisc based filter rules 3200 * @hw: pointer to the hardware structure 3201 * @recp_id: recipe ID for which the rule needs to removed 3202 * @v_list: list of promisc entries 3203 */ 3204 static enum ice_status 3205 ice_remove_promisc(struct ice_hw *hw, u8 recp_id, 3206 struct LIST_HEAD_TYPE *v_list) 3207 { 3208 struct ice_fltr_list_entry *v_list_itr, *tmp; 3209 struct ice_sw_recipe *recp_list; 3210 3211 recp_list = &hw->switch_info->recp_list[recp_id]; 3212 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry, 3213 list_entry) { 3214 v_list_itr->status = 3215 ice_remove_rule_internal(hw, recp_list, v_list_itr); 3216 if (v_list_itr->status) 3217 return v_list_itr->status; 3218 } 3219 return ICE_SUCCESS; 3220 } 3221 3222 /** 3223 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI 3224 * @hw: pointer to the hardware structure 3225 * @vsi_handle: VSI handle to clear mode 3226 * @promisc_mask: mask of promiscuous config bits to clear 3227 * @vid: VLAN ID to clear VLAN promiscuous 3228 */ 3229 enum ice_status 3230 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 3231 u16 vid) 3232 { 3233 struct ice_switch_info *sw = hw->switch_info; 3234 struct ice_fltr_list_entry *fm_entry, *tmp; 3235 struct LIST_HEAD_TYPE remove_list_head; 3236 struct ice_fltr_mgmt_list_entry *itr; 3237 struct LIST_HEAD_TYPE *rule_head; 3238 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3239 enum ice_status status = ICE_SUCCESS; 3240 u8 recipe_id; 3241 3242 if (!ice_is_vsi_valid(hw, vsi_handle)) 3243 return ICE_ERR_PARAM; 3244 3245 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) 3246 recipe_id = ICE_SW_LKUP_PROMISC_VLAN; 3247 else 3248 recipe_id = ICE_SW_LKUP_PROMISC; 3249 3250 rule_head = &sw->recp_list[recipe_id].filt_rules; 3251 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock; 3252 3253 INIT_LIST_HEAD(&remove_list_head); 3254 3255 ice_acquire_lock(rule_lock); 3256 LIST_FOR_EACH_ENTRY(itr, rule_head, 3257 ice_fltr_mgmt_list_entry, list_entry) { 3258 struct ice_fltr_info *fltr_info; 3259 u8 fltr_promisc_mask = 0; 3260 3261 if (!ice_vsi_uses_fltr(itr, vsi_handle)) 3262 continue; 3263 fltr_info = &itr->fltr_info; 3264 3265 if (recipe_id == ICE_SW_LKUP_PROMISC_VLAN && 3266 vid != fltr_info->l_data.mac_vlan.vlan_id) 3267 continue; 3268 3269 fltr_promisc_mask |= ice_determine_promisc_mask(fltr_info); 3270 3271 /* Skip if filter is not completely specified by given mask */ 3272 if (fltr_promisc_mask & ~promisc_mask) 3273 continue; 3274 3275 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, 3276 &remove_list_head, 3277 fltr_info); 3278 if (status) { 3279 ice_release_lock(rule_lock); 3280 goto free_fltr_list; 3281 } 3282 } 3283 ice_release_lock(rule_lock); 3284 3285 status = ice_remove_promisc(hw, recipe_id, &remove_list_head); 3286 3287 free_fltr_list: 3288 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head, 3289 ice_fltr_list_entry, list_entry) { 3290 LIST_DEL(&fm_entry->list_entry); 3291 ice_free(hw, fm_entry); 3292 } 3293 3294 return status; 3295 } 3296 3297 /** 3298 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s) 3299 * @hw: pointer to the hardware structure 3300 * @vsi_handle: VSI handle to configure 3301 * @promisc_mask: mask of promiscuous config bits 3302 * @vid: VLAN ID to set VLAN promiscuous 3303 */ 3304 enum ice_status 3305 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid) 3306 { 3307 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR }; 3308 struct ice_fltr_list_entry f_list_entry; 3309 struct ice_fltr_info new_fltr; 3310 enum ice_status status = ICE_SUCCESS; 3311 bool is_tx_fltr; 3312 u16 hw_vsi_id; 3313 int pkt_type; 3314 u8 recipe_id; 3315 3316 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 3317 3318 if (!ice_is_vsi_valid(hw, vsi_handle)) 3319 return ICE_ERR_PARAM; 3320 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 3321 3322 ice_memset(&new_fltr, 0, sizeof(new_fltr), ICE_NONDMA_MEM); 3323 3324 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) { 3325 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN; 3326 new_fltr.l_data.mac_vlan.vlan_id = vid; 3327 recipe_id = ICE_SW_LKUP_PROMISC_VLAN; 3328 } else { 3329 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC; 3330 recipe_id = ICE_SW_LKUP_PROMISC; 3331 } 3332 3333 /* Separate filters must be set for each direction/packet type 3334 * combination, so we will loop over the mask value, store the 3335 * individual type, and clear it out in the input mask as it 3336 * is found. 3337 */ 3338 while (promisc_mask) { 3339 struct ice_sw_recipe *recp_list; 3340 u8 *mac_addr; 3341 3342 pkt_type = 0; 3343 is_tx_fltr = false; 3344 3345 if (promisc_mask & ICE_PROMISC_UCAST_RX) { 3346 promisc_mask &= ~ICE_PROMISC_UCAST_RX; 3347 pkt_type = UCAST_FLTR; 3348 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) { 3349 promisc_mask &= ~ICE_PROMISC_UCAST_TX; 3350 pkt_type = UCAST_FLTR; 3351 is_tx_fltr = true; 3352 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) { 3353 promisc_mask &= ~ICE_PROMISC_MCAST_RX; 3354 pkt_type = MCAST_FLTR; 3355 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) { 3356 promisc_mask &= ~ICE_PROMISC_MCAST_TX; 3357 pkt_type = MCAST_FLTR; 3358 is_tx_fltr = true; 3359 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) { 3360 promisc_mask &= ~ICE_PROMISC_BCAST_RX; 3361 pkt_type = BCAST_FLTR; 3362 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) { 3363 promisc_mask &= ~ICE_PROMISC_BCAST_TX; 3364 pkt_type = BCAST_FLTR; 3365 is_tx_fltr = true; 3366 } 3367 3368 /* Check for VLAN promiscuous flag */ 3369 if (promisc_mask & ICE_PROMISC_VLAN_RX) { 3370 promisc_mask &= ~ICE_PROMISC_VLAN_RX; 3371 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) { 3372 promisc_mask &= ~ICE_PROMISC_VLAN_TX; 3373 is_tx_fltr = true; 3374 } 3375 3376 /* Set filter DA based on packet type */ 3377 mac_addr = new_fltr.l_data.mac.mac_addr; 3378 if (pkt_type == BCAST_FLTR) { 3379 ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM); 3380 } else if (pkt_type == MCAST_FLTR || 3381 pkt_type == UCAST_FLTR) { 3382 /* Use the dummy ether header DA */ 3383 ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN, 3384 ICE_NONDMA_TO_NONDMA); 3385 if (pkt_type == MCAST_FLTR) 3386 mac_addr[0] |= 0x1; /* Set multicast bit */ 3387 } 3388 3389 /* Need to reset this to zero for all iterations */ 3390 new_fltr.flag = 0; 3391 if (is_tx_fltr) { 3392 new_fltr.flag |= ICE_FLTR_TX; 3393 new_fltr.src = hw_vsi_id; 3394 } else { 3395 new_fltr.flag |= ICE_FLTR_RX; 3396 new_fltr.src = hw->port_info->lport; 3397 } 3398 3399 new_fltr.fltr_act = ICE_FWD_TO_VSI; 3400 new_fltr.vsi_handle = vsi_handle; 3401 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id; 3402 f_list_entry.fltr_info = new_fltr; 3403 recp_list = &hw->switch_info->recp_list[recipe_id]; 3404 3405 status = ice_add_rule_internal(hw, recp_list, 3406 hw->port_info->lport, 3407 &f_list_entry); 3408 if (status != ICE_SUCCESS) 3409 goto set_promisc_exit; 3410 } 3411 3412 set_promisc_exit: 3413 return status; 3414 } 3415 3416 /** 3417 * ice_set_vlan_vsi_promisc 3418 * @hw: pointer to the hardware structure 3419 * @vsi_handle: VSI handle to configure 3420 * @promisc_mask: mask of promiscuous config bits 3421 * @rm_vlan_promisc: Clear VLANs VSI promisc mode 3422 * 3423 * Configure VSI with all associated VLANs to given promiscuous mode(s) 3424 */ 3425 enum ice_status 3426 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 3427 bool rm_vlan_promisc) 3428 { 3429 struct ice_switch_info *sw = hw->switch_info; 3430 struct ice_fltr_list_entry *list_itr, *tmp; 3431 struct LIST_HEAD_TYPE vsi_list_head; 3432 struct LIST_HEAD_TYPE *vlan_head; 3433 struct ice_lock *vlan_lock; /* Lock to protect filter rule list */ 3434 enum ice_status status; 3435 u16 vlan_id; 3436 3437 INIT_LIST_HEAD(&vsi_list_head); 3438 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; 3439 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules; 3440 ice_acquire_lock(vlan_lock); 3441 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head, 3442 &vsi_list_head); 3443 ice_release_lock(vlan_lock); 3444 if (status) 3445 goto free_fltr_list; 3446 3447 LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry, 3448 list_entry) { 3449 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id; 3450 if (rm_vlan_promisc) 3451 status = ice_clear_vsi_promisc(hw, vsi_handle, 3452 promisc_mask, vlan_id); 3453 else 3454 status = ice_set_vsi_promisc(hw, vsi_handle, 3455 promisc_mask, vlan_id); 3456 if (status) 3457 break; 3458 } 3459 3460 free_fltr_list: 3461 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head, 3462 ice_fltr_list_entry, list_entry) { 3463 LIST_DEL(&list_itr->list_entry); 3464 ice_free(hw, list_itr); 3465 } 3466 return status; 3467 } 3468 3469 /** 3470 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI 3471 * @hw: pointer to the hardware structure 3472 * @vsi_handle: VSI handle to remove filters from 3473 * @recp_list: recipe list from which function remove fltr 3474 * @lkup: switch rule filter lookup type 3475 */ 3476 static void 3477 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle, 3478 struct ice_sw_recipe *recp_list, 3479 enum ice_sw_lkup_type lkup) 3480 { 3481 struct ice_fltr_list_entry *fm_entry; 3482 struct LIST_HEAD_TYPE remove_list_head; 3483 struct LIST_HEAD_TYPE *rule_head; 3484 struct ice_fltr_list_entry *tmp; 3485 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3486 enum ice_status status; 3487 3488 INIT_LIST_HEAD(&remove_list_head); 3489 rule_lock = &recp_list[lkup].filt_rule_lock; 3490 rule_head = &recp_list[lkup].filt_rules; 3491 ice_acquire_lock(rule_lock); 3492 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head, 3493 &remove_list_head); 3494 ice_release_lock(rule_lock); 3495 if (status) 3496 return; 3497 3498 switch (lkup) { 3499 case ICE_SW_LKUP_MAC: 3500 ice_remove_mac_rule(hw, &remove_list_head, &recp_list[lkup]); 3501 break; 3502 case ICE_SW_LKUP_VLAN: 3503 ice_remove_vlan_rule(hw, &remove_list_head, &recp_list[lkup]); 3504 break; 3505 case ICE_SW_LKUP_PROMISC: 3506 case ICE_SW_LKUP_PROMISC_VLAN: 3507 ice_remove_promisc(hw, lkup, &remove_list_head); 3508 break; 3509 case ICE_SW_LKUP_MAC_VLAN: 3510 ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n"); 3511 break; 3512 case ICE_SW_LKUP_ETHERTYPE: 3513 case ICE_SW_LKUP_ETHERTYPE_MAC: 3514 ice_remove_eth_mac(hw, &remove_list_head); 3515 break; 3516 case ICE_SW_LKUP_DFLT: 3517 ice_debug(hw, ICE_DBG_SW, 3518 "Remove filters for this lookup type hasn't been implemented yet\n"); 3519 break; 3520 case ICE_SW_LKUP_LAST: 3521 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n"); 3522 break; 3523 } 3524 3525 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head, 3526 ice_fltr_list_entry, list_entry) { 3527 LIST_DEL(&fm_entry->list_entry); 3528 ice_free(hw, fm_entry); 3529 } 3530 } 3531 3532 /** 3533 * ice_remove_vsi_fltr_rule - Remove all filters for a VSI 3534 * @hw: pointer to the hardware structure 3535 * @vsi_handle: VSI handle to remove filters from 3536 * @sw: pointer to switch info struct 3537 */ 3538 static void 3539 ice_remove_vsi_fltr_rule(struct ice_hw *hw, u16 vsi_handle, 3540 struct ice_switch_info *sw) 3541 { 3542 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 3543 3544 ice_remove_vsi_lkup_fltr(hw, vsi_handle, 3545 sw->recp_list, ICE_SW_LKUP_MAC); 3546 ice_remove_vsi_lkup_fltr(hw, vsi_handle, 3547 sw->recp_list, ICE_SW_LKUP_MAC_VLAN); 3548 ice_remove_vsi_lkup_fltr(hw, vsi_handle, 3549 sw->recp_list, ICE_SW_LKUP_PROMISC); 3550 ice_remove_vsi_lkup_fltr(hw, vsi_handle, 3551 sw->recp_list, ICE_SW_LKUP_VLAN); 3552 ice_remove_vsi_lkup_fltr(hw, vsi_handle, 3553 sw->recp_list, ICE_SW_LKUP_DFLT); 3554 ice_remove_vsi_lkup_fltr(hw, vsi_handle, 3555 sw->recp_list, ICE_SW_LKUP_ETHERTYPE); 3556 ice_remove_vsi_lkup_fltr(hw, vsi_handle, 3557 sw->recp_list, ICE_SW_LKUP_ETHERTYPE_MAC); 3558 ice_remove_vsi_lkup_fltr(hw, vsi_handle, 3559 sw->recp_list, ICE_SW_LKUP_PROMISC_VLAN); 3560 } 3561 3562 /** 3563 * ice_remove_vsi_fltr - Remove all filters for a VSI 3564 * @hw: pointer to the hardware structure 3565 * @vsi_handle: VSI handle to remove filters from 3566 */ 3567 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle) 3568 { 3569 ice_remove_vsi_fltr_rule(hw, vsi_handle, hw->switch_info); 3570 } 3571 3572 /** 3573 * ice_alloc_res_cntr - allocating resource counter 3574 * @hw: pointer to the hardware structure 3575 * @type: type of resource 3576 * @alloc_shared: if set it is shared else dedicated 3577 * @num_items: number of entries requested for FD resource type 3578 * @counter_id: counter index returned by AQ call 3579 */ 3580 static enum ice_status 3581 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 3582 u16 *counter_id) 3583 { 3584 struct ice_aqc_alloc_free_res_elem *buf; 3585 enum ice_status status; 3586 u16 buf_len; 3587 3588 /* Allocate resource */ 3589 buf_len = sizeof(*buf); 3590 buf = (struct ice_aqc_alloc_free_res_elem *) 3591 ice_malloc(hw, buf_len); 3592 if (!buf) 3593 return ICE_ERR_NO_MEMORY; 3594 3595 buf->num_elems = CPU_TO_LE16(num_items); 3596 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) & 3597 ICE_AQC_RES_TYPE_M) | alloc_shared); 3598 3599 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, 3600 ice_aqc_opc_alloc_res, NULL); 3601 if (status) 3602 goto exit; 3603 3604 *counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp); 3605 3606 exit: 3607 ice_free(hw, buf); 3608 return status; 3609 } 3610 3611 /** 3612 * ice_free_res_cntr - free resource counter 3613 * @hw: pointer to the hardware structure 3614 * @type: type of resource 3615 * @alloc_shared: if set it is shared else dedicated 3616 * @num_items: number of entries to be freed for FD resource type 3617 * @counter_id: counter ID resource which needs to be freed 3618 */ 3619 static enum ice_status 3620 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items, 3621 u16 counter_id) 3622 { 3623 struct ice_aqc_alloc_free_res_elem *buf; 3624 enum ice_status status; 3625 u16 buf_len; 3626 3627 /* Free resource */ 3628 buf_len = sizeof(*buf); 3629 buf = (struct ice_aqc_alloc_free_res_elem *) 3630 ice_malloc(hw, buf_len); 3631 if (!buf) 3632 return ICE_ERR_NO_MEMORY; 3633 3634 buf->num_elems = CPU_TO_LE16(num_items); 3635 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) & 3636 ICE_AQC_RES_TYPE_M) | alloc_shared); 3637 buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id); 3638 3639 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len, 3640 ice_aqc_opc_free_res, NULL); 3641 if (status) 3642 ice_debug(hw, ICE_DBG_SW, 3643 "counter resource could not be freed\n"); 3644 3645 ice_free(hw, buf); 3646 return status; 3647 } 3648 3649 /** 3650 * ice_alloc_vlan_res_counter - obtain counter resource for VLAN type 3651 * @hw: pointer to the hardware structure 3652 * @counter_id: returns counter index 3653 */ 3654 enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id) 3655 { 3656 return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER, 3657 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, 3658 counter_id); 3659 } 3660 3661 /** 3662 * ice_free_vlan_res_counter - Free counter resource for VLAN type 3663 * @hw: pointer to the hardware structure 3664 * @counter_id: counter index to be freed 3665 */ 3666 enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id) 3667 { 3668 return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER, 3669 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, 3670 counter_id); 3671 } 3672 3673 /** 3674 * ice_alloc_res_lg_act - add large action resource 3675 * @hw: pointer to the hardware structure 3676 * @l_id: large action ID to fill it in 3677 * @num_acts: number of actions to hold with a large action entry 3678 */ 3679 static enum ice_status 3680 ice_alloc_res_lg_act(struct ice_hw *hw, u16 *l_id, u16 num_acts) 3681 { 3682 struct ice_aqc_alloc_free_res_elem *sw_buf; 3683 enum ice_status status; 3684 u16 buf_len; 3685 3686 if (num_acts > ICE_MAX_LG_ACT || num_acts == 0) 3687 return ICE_ERR_PARAM; 3688 3689 /* Allocate resource for large action */ 3690 buf_len = sizeof(*sw_buf); 3691 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 3692 ice_malloc(hw, buf_len); 3693 if (!sw_buf) 3694 return ICE_ERR_NO_MEMORY; 3695 3696 sw_buf->num_elems = CPU_TO_LE16(1); 3697 3698 /* If num_acts is 1, use ICE_AQC_RES_TYPE_WIDE_TABLE_1. 3699 * If num_acts is 2, use ICE_AQC_RES_TYPE_WIDE_TABLE_3. 3700 * If num_acts is greater than 2, then use 3701 * ICE_AQC_RES_TYPE_WIDE_TABLE_4. 3702 * The num_acts cannot exceed 4. This was ensured at the 3703 * beginning of the function. 3704 */ 3705 if (num_acts == 1) 3706 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_1); 3707 else if (num_acts == 2) 3708 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_2); 3709 else 3710 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_4); 3711 3712 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, 3713 ice_aqc_opc_alloc_res, NULL); 3714 if (!status) 3715 *l_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp); 3716 3717 ice_free(hw, sw_buf); 3718 return status; 3719 } 3720 3721 /** 3722 * ice_add_mac_with_sw_marker - add filter with sw marker 3723 * @hw: pointer to the hardware structure 3724 * @f_info: filter info structure containing the MAC filter information 3725 * @sw_marker: sw marker to tag the Rx descriptor with 3726 */ 3727 enum ice_status 3728 ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info, 3729 u16 sw_marker) 3730 { 3731 struct ice_fltr_mgmt_list_entry *m_entry; 3732 struct ice_fltr_list_entry fl_info; 3733 struct ice_sw_recipe *recp_list; 3734 struct LIST_HEAD_TYPE l_head; 3735 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3736 enum ice_status ret; 3737 bool entry_exists; 3738 u16 lg_act_id; 3739 3740 if (f_info->fltr_act != ICE_FWD_TO_VSI) 3741 return ICE_ERR_PARAM; 3742 3743 if (f_info->lkup_type != ICE_SW_LKUP_MAC) 3744 return ICE_ERR_PARAM; 3745 3746 if (sw_marker == ICE_INVAL_SW_MARKER_ID) 3747 return ICE_ERR_PARAM; 3748 3749 if (!ice_is_vsi_valid(hw, f_info->vsi_handle)) 3750 return ICE_ERR_PARAM; 3751 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle); 3752 3753 /* Add filter if it doesn't exist so then the adding of large 3754 * action always results in update 3755 */ 3756 3757 INIT_LIST_HEAD(&l_head); 3758 fl_info.fltr_info = *f_info; 3759 LIST_ADD(&fl_info.list_entry, &l_head); 3760 3761 entry_exists = false; 3762 ret = ice_add_mac_rule(hw, &l_head, hw->switch_info, 3763 hw->port_info->lport); 3764 if (ret == ICE_ERR_ALREADY_EXISTS) 3765 entry_exists = true; 3766 else if (ret) 3767 return ret; 3768 3769 recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC]; 3770 rule_lock = &recp_list->filt_rule_lock; 3771 ice_acquire_lock(rule_lock); 3772 /* Get the book keeping entry for the filter */ 3773 m_entry = ice_find_rule_entry(&recp_list->filt_rules, f_info); 3774 if (!m_entry) 3775 goto exit_error; 3776 3777 /* If counter action was enabled for this rule then don't enable 3778 * sw marker large action 3779 */ 3780 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) { 3781 ret = ICE_ERR_PARAM; 3782 goto exit_error; 3783 } 3784 3785 /* if same marker was added before */ 3786 if (m_entry->sw_marker_id == sw_marker) { 3787 ret = ICE_ERR_ALREADY_EXISTS; 3788 goto exit_error; 3789 } 3790 3791 /* Allocate a hardware table entry to hold large act. Three actions 3792 * for marker based large action 3793 */ 3794 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 3); 3795 if (ret) 3796 goto exit_error; 3797 3798 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX) 3799 goto exit_error; 3800 3801 /* Update the switch rule to add the marker action */ 3802 ret = ice_add_marker_act(hw, m_entry, sw_marker, lg_act_id); 3803 if (!ret) { 3804 ice_release_lock(rule_lock); 3805 return ret; 3806 } 3807 3808 exit_error: 3809 ice_release_lock(rule_lock); 3810 /* only remove entry if it did not exist previously */ 3811 if (!entry_exists) 3812 ret = ice_remove_mac(hw, &l_head); 3813 3814 return ret; 3815 } 3816 3817 /** 3818 * ice_add_mac_with_counter - add filter with counter enabled 3819 * @hw: pointer to the hardware structure 3820 * @f_info: pointer to filter info structure containing the MAC filter 3821 * information 3822 */ 3823 enum ice_status 3824 ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info) 3825 { 3826 struct ice_fltr_mgmt_list_entry *m_entry; 3827 struct ice_fltr_list_entry fl_info; 3828 struct ice_sw_recipe *recp_list; 3829 struct LIST_HEAD_TYPE l_head; 3830 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 3831 enum ice_status ret; 3832 bool entry_exist; 3833 u16 counter_id; 3834 u16 lg_act_id; 3835 3836 if (f_info->fltr_act != ICE_FWD_TO_VSI) 3837 return ICE_ERR_PARAM; 3838 3839 if (f_info->lkup_type != ICE_SW_LKUP_MAC) 3840 return ICE_ERR_PARAM; 3841 3842 if (!ice_is_vsi_valid(hw, f_info->vsi_handle)) 3843 return ICE_ERR_PARAM; 3844 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle); 3845 recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC]; 3846 3847 entry_exist = false; 3848 3849 rule_lock = &recp_list->filt_rule_lock; 3850 3851 /* Add filter if it doesn't exist so then the adding of large 3852 * action always results in update 3853 */ 3854 INIT_LIST_HEAD(&l_head); 3855 3856 fl_info.fltr_info = *f_info; 3857 LIST_ADD(&fl_info.list_entry, &l_head); 3858 3859 ret = ice_add_mac_rule(hw, &l_head, hw->switch_info, 3860 hw->port_info->lport); 3861 if (ret == ICE_ERR_ALREADY_EXISTS) 3862 entry_exist = true; 3863 else if (ret) 3864 return ret; 3865 3866 ice_acquire_lock(rule_lock); 3867 m_entry = ice_find_rule_entry(&recp_list->filt_rules, f_info); 3868 if (!m_entry) { 3869 ret = ICE_ERR_BAD_PTR; 3870 goto exit_error; 3871 } 3872 3873 /* Don't enable counter for a filter for which sw marker was enabled */ 3874 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) { 3875 ret = ICE_ERR_PARAM; 3876 goto exit_error; 3877 } 3878 3879 /* If a counter was already enabled then don't need to add again */ 3880 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) { 3881 ret = ICE_ERR_ALREADY_EXISTS; 3882 goto exit_error; 3883 } 3884 3885 /* Allocate a hardware table entry to VLAN counter */ 3886 ret = ice_alloc_vlan_res_counter(hw, &counter_id); 3887 if (ret) 3888 goto exit_error; 3889 3890 /* Allocate a hardware table entry to hold large act. Two actions for 3891 * counter based large action 3892 */ 3893 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 2); 3894 if (ret) 3895 goto exit_error; 3896 3897 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX) 3898 goto exit_error; 3899 3900 /* Update the switch rule to add the counter action */ 3901 ret = ice_add_counter_act(hw, m_entry, counter_id, lg_act_id); 3902 if (!ret) { 3903 ice_release_lock(rule_lock); 3904 return ret; 3905 } 3906 3907 exit_error: 3908 ice_release_lock(rule_lock); 3909 /* only remove entry if it did not exist previously */ 3910 if (!entry_exist) 3911 ret = ice_remove_mac(hw, &l_head); 3912 3913 return ret; 3914 } 3915 3916 /** 3917 * ice_replay_fltr - Replay all the filters stored by a specific list head 3918 * @hw: pointer to the hardware structure 3919 * @list_head: list for which filters needs to be replayed 3920 * @recp_id: Recipe ID for which rules need to be replayed 3921 */ 3922 static enum ice_status 3923 ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head) 3924 { 3925 struct ice_fltr_mgmt_list_entry *itr; 3926 enum ice_status status = ICE_SUCCESS; 3927 struct ice_sw_recipe *recp_list; 3928 u8 lport = hw->port_info->lport; 3929 struct LIST_HEAD_TYPE l_head; 3930 3931 if (LIST_EMPTY(list_head)) 3932 return status; 3933 3934 recp_list = &hw->switch_info->recp_list[recp_id]; 3935 /* Move entries from the given list_head to a temporary l_head so that 3936 * they can be replayed. Otherwise when trying to re-add the same 3937 * filter, the function will return already exists 3938 */ 3939 LIST_REPLACE_INIT(list_head, &l_head); 3940 3941 /* Mark the given list_head empty by reinitializing it so filters 3942 * could be added again by *handler 3943 */ 3944 LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry, 3945 list_entry) { 3946 struct ice_fltr_list_entry f_entry; 3947 3948 f_entry.fltr_info = itr->fltr_info; 3949 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) { 3950 status = ice_add_rule_internal(hw, recp_list, lport, 3951 &f_entry); 3952 if (status != ICE_SUCCESS) 3953 goto end; 3954 continue; 3955 } 3956 3957 /* Add a filter per VSI separately */ 3958 while (1) { 3959 u16 vsi_handle; 3960 3961 vsi_handle = 3962 ice_find_first_bit(itr->vsi_list_info->vsi_map, 3963 ICE_MAX_VSI); 3964 if (!ice_is_vsi_valid(hw, vsi_handle)) 3965 break; 3966 3967 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map); 3968 f_entry.fltr_info.vsi_handle = vsi_handle; 3969 f_entry.fltr_info.fwd_id.hw_vsi_id = 3970 ice_get_hw_vsi_num(hw, vsi_handle); 3971 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; 3972 if (recp_id == ICE_SW_LKUP_VLAN) 3973 status = ice_add_vlan_internal(hw, recp_list, 3974 &f_entry); 3975 else 3976 status = ice_add_rule_internal(hw, recp_list, 3977 lport, 3978 &f_entry); 3979 if (status != ICE_SUCCESS) 3980 goto end; 3981 } 3982 } 3983 end: 3984 /* Clear the filter management list */ 3985 ice_rem_sw_rule_info(hw, &l_head); 3986 return status; 3987 } 3988 3989 /** 3990 * ice_replay_all_fltr - replay all filters stored in bookkeeping lists 3991 * @hw: pointer to the hardware structure 3992 * 3993 * NOTE: This function does not clean up partially added filters on error. 3994 * It is up to caller of the function to issue a reset or fail early. 3995 */ 3996 enum ice_status ice_replay_all_fltr(struct ice_hw *hw) 3997 { 3998 struct ice_switch_info *sw = hw->switch_info; 3999 enum ice_status status = ICE_SUCCESS; 4000 u8 i; 4001 4002 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 4003 struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules; 4004 4005 status = ice_replay_fltr(hw, i, head); 4006 if (status != ICE_SUCCESS) 4007 return status; 4008 } 4009 return status; 4010 } 4011 4012 /** 4013 * ice_replay_vsi_fltr - Replay filters for requested VSI 4014 * @hw: pointer to the hardware structure 4015 * @vsi_handle: driver VSI handle 4016 * @recp_id: Recipe ID for which rules need to be replayed 4017 * @list_head: list for which filters need to be replayed 4018 * 4019 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle. 4020 * It is required to pass valid VSI handle. 4021 */ 4022 static enum ice_status 4023 ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id, 4024 struct LIST_HEAD_TYPE *list_head) 4025 { 4026 struct ice_fltr_mgmt_list_entry *itr; 4027 enum ice_status status = ICE_SUCCESS; 4028 struct ice_sw_recipe *recp_list; 4029 u16 hw_vsi_id; 4030 4031 if (LIST_EMPTY(list_head)) 4032 return status; 4033 recp_list = &hw->switch_info->recp_list[recp_id]; 4034 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 4035 4036 LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry, 4037 list_entry) { 4038 struct ice_fltr_list_entry f_entry; 4039 4040 f_entry.fltr_info = itr->fltr_info; 4041 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN && 4042 itr->fltr_info.vsi_handle == vsi_handle) { 4043 /* update the src in case it is VSI num */ 4044 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) 4045 f_entry.fltr_info.src = hw_vsi_id; 4046 status = ice_add_rule_internal(hw, recp_list, 4047 hw->port_info->lport, 4048 &f_entry); 4049 if (status != ICE_SUCCESS) 4050 goto end; 4051 continue; 4052 } 4053 if (!itr->vsi_list_info || 4054 !ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle)) 4055 continue; 4056 /* Clearing it so that the logic can add it back */ 4057 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map); 4058 f_entry.fltr_info.vsi_handle = vsi_handle; 4059 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; 4060 /* update the src in case it is VSI num */ 4061 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) 4062 f_entry.fltr_info.src = hw_vsi_id; 4063 if (recp_id == ICE_SW_LKUP_VLAN) 4064 status = ice_add_vlan_internal(hw, recp_list, &f_entry); 4065 else 4066 status = ice_add_rule_internal(hw, recp_list, 4067 hw->port_info->lport, 4068 &f_entry); 4069 if (status != ICE_SUCCESS) 4070 goto end; 4071 } 4072 end: 4073 return status; 4074 } 4075 4076 /** 4077 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists 4078 * @hw: pointer to the hardware structure 4079 * @vsi_handle: driver VSI handle 4080 * 4081 * Replays filters for requested VSI via vsi_handle. 4082 */ 4083 enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle) 4084 { 4085 struct ice_switch_info *sw = hw->switch_info; 4086 enum ice_status status = ICE_SUCCESS; 4087 u8 i; 4088 4089 /* Update the recipes that were created */ 4090 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 4091 struct LIST_HEAD_TYPE *head; 4092 4093 head = &sw->recp_list[i].filt_replay_rules; 4094 if (!sw->recp_list[i].adv_rule) 4095 status = ice_replay_vsi_fltr(hw, vsi_handle, i, head); 4096 if (status != ICE_SUCCESS) 4097 return status; 4098 } 4099 4100 return ICE_SUCCESS; 4101 } 4102 4103 /** 4104 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules 4105 * @hw: pointer to the HW struct 4106 * 4107 * Deletes the filter replay rules. 4108 */ 4109 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw) 4110 { 4111 struct ice_switch_info *sw = hw->switch_info; 4112 u8 i; 4113 4114 if (!sw) 4115 return; 4116 4117 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 4118 if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) { 4119 struct LIST_HEAD_TYPE *l_head; 4120 4121 l_head = &sw->recp_list[i].filt_replay_rules; 4122 if (!sw->recp_list[i].adv_rule) 4123 ice_rem_sw_rule_info(hw, l_head); 4124 } 4125 } 4126 } 4127