1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2018 3 */ 4 5 #include "ice_switch.h" 6 7 8 #define ICE_ETH_DA_OFFSET 0 9 #define ICE_ETH_ETHTYPE_OFFSET 12 10 #define ICE_ETH_VLAN_TCI_OFFSET 14 11 #define ICE_MAX_VLAN_ID 0xFFF 12 13 /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem 14 * struct to configure any switch filter rules. 15 * {DA (6 bytes), SA(6 bytes), 16 * Ether type (2 bytes for header without VLAN tag) OR 17 * VLAN tag (4 bytes for header with VLAN tag) } 18 * 19 * Word on Hardcoded values 20 * byte 0 = 0x2: to identify it as locally administered DA MAC 21 * byte 6 = 0x2: to identify it as locally administered SA MAC 22 * byte 12 = 0x81 & byte 13 = 0x00: 23 * In case of VLAN filter first two bytes defines ether type (0x8100) 24 * and remaining two bytes are placeholder for programming a given VLAN id 25 * In case of Ether type filter it is treated as header without VLAN tag 26 * and byte 12 and 13 is used to program a given Ether type instead 27 */ 28 #define DUMMY_ETH_HDR_LEN 16 29 static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0, 30 0x2, 0, 0, 0, 0, 0, 31 0x81, 0, 0, 0}; 32 33 #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \ 34 (sizeof(struct ice_aqc_sw_rules_elem) - \ 35 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 36 sizeof(struct ice_sw_rule_lkup_rx_tx) + DUMMY_ETH_HDR_LEN - 1) 37 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \ 38 (sizeof(struct ice_aqc_sw_rules_elem) - \ 39 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 40 sizeof(struct ice_sw_rule_lkup_rx_tx) - 1) 41 #define ICE_SW_RULE_LG_ACT_SIZE(n) \ 42 (sizeof(struct ice_aqc_sw_rules_elem) - \ 43 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 44 sizeof(struct ice_sw_rule_lg_act) - \ 45 sizeof(((struct ice_sw_rule_lg_act *)0)->act) + \ 46 ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act))) 47 #define ICE_SW_RULE_VSI_LIST_SIZE(n) \ 48 (sizeof(struct ice_aqc_sw_rules_elem) - \ 49 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \ 50 sizeof(struct ice_sw_rule_vsi_list) - \ 51 sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi) + \ 52 ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi))) 53 54 55 /** 56 * ice_init_def_sw_recp - initialize the recipe book keeping tables 57 * @hw: pointer to the hw struct 58 * 59 * Allocate memory for the entire recipe table and initialize the structures/ 60 * entries corresponding to basic recipes. 61 */ 62 enum ice_status ice_init_def_sw_recp(struct ice_hw *hw) 63 { 64 struct ice_sw_recipe *recps; 65 u8 i; 66 67 recps = (struct ice_sw_recipe *) 68 ice_calloc(hw, ICE_MAX_NUM_RECIPES, sizeof(*recps)); 69 if (!recps) 70 return ICE_ERR_NO_MEMORY; 71 72 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 73 recps[i].root_rid = i; 74 INIT_LIST_HEAD(&recps[i].filt_rules); 75 INIT_LIST_HEAD(&recps[i].filt_replay_rules); 76 ice_init_lock(&recps[i].filt_rule_lock); 77 } 78 79 hw->switch_info->recp_list = recps; 80 81 return ICE_SUCCESS; 82 } 83 84 /** 85 * ice_aq_get_sw_cfg - get switch configuration 86 * @hw: pointer to the hardware structure 87 * @buf: pointer to the result buffer 88 * @buf_size: length of the buffer available for response 89 * @req_desc: pointer to requested descriptor 90 * @num_elems: pointer to number of elements 91 * @cd: pointer to command details structure or NULL 92 * 93 * Get switch configuration (0x0200) to be placed in 'buff'. 94 * This admin command returns information such as initial VSI/port number 95 * and switch ID it belongs to. 96 * 97 * NOTE: *req_desc is both an input/output parameter. 98 * The caller of this function first calls this function with *request_desc set 99 * to 0. If the response from f/w has *req_desc set to 0, all the switch 100 * configuration information has been returned; if non-zero (meaning not all 101 * the information was returned), the caller should call this function again 102 * with *req_desc set to the previous value returned by f/w to get the 103 * next block of switch configuration information. 104 * 105 * *num_elems is output only parameter. This reflects the number of elements 106 * in response buffer. The caller of this function to use *num_elems while 107 * parsing the response buffer. 108 */ 109 static enum ice_status 110 ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp *buf, 111 u16 buf_size, u16 *req_desc, u16 *num_elems, 112 struct ice_sq_cd *cd) 113 { 114 struct ice_aqc_get_sw_cfg *cmd; 115 enum ice_status status; 116 struct ice_aq_desc desc; 117 118 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg); 119 cmd = &desc.params.get_sw_conf; 120 cmd->element = CPU_TO_LE16(*req_desc); 121 122 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd); 123 if (!status) { 124 *req_desc = LE16_TO_CPU(cmd->element); 125 *num_elems = LE16_TO_CPU(cmd->num_elems); 126 } 127 128 return status; 129 } 130 131 132 133 /** 134 * ice_aq_add_vsi 135 * @hw: pointer to the hw struct 136 * @vsi_ctx: pointer to a VSI context struct 137 * @cd: pointer to command details structure or NULL 138 * 139 * Add a VSI context to the hardware (0x0210) 140 */ 141 static enum ice_status 142 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 143 struct ice_sq_cd *cd) 144 { 145 struct ice_aqc_add_update_free_vsi_resp *res; 146 struct ice_aqc_add_get_update_free_vsi *cmd; 147 struct ice_aq_desc desc; 148 enum ice_status status; 149 150 cmd = &desc.params.vsi_cmd; 151 res = &desc.params.add_update_free_vsi_res; 152 153 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi); 154 155 if (!vsi_ctx->alloc_from_pool) 156 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | 157 ICE_AQ_VSI_IS_VALID); 158 159 cmd->vsi_flags = CPU_TO_LE16(vsi_ctx->flags); 160 161 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 162 163 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 164 sizeof(vsi_ctx->info), cd); 165 166 if (!status) { 167 vsi_ctx->vsi_num = LE16_TO_CPU(res->vsi_num) & ICE_AQ_VSI_NUM_M; 168 vsi_ctx->vsis_allocd = LE16_TO_CPU(res->vsi_used); 169 vsi_ctx->vsis_unallocated = LE16_TO_CPU(res->vsi_free); 170 } 171 172 return status; 173 } 174 175 /** 176 * ice_aq_free_vsi 177 * @hw: pointer to the hw struct 178 * @vsi_ctx: pointer to a VSI context struct 179 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources 180 * @cd: pointer to command details structure or NULL 181 * 182 * Free VSI context info from hardware (0x0213) 183 */ 184 static enum ice_status 185 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 186 bool keep_vsi_alloc, struct ice_sq_cd *cd) 187 { 188 struct ice_aqc_add_update_free_vsi_resp *resp; 189 struct ice_aqc_add_get_update_free_vsi *cmd; 190 struct ice_aq_desc desc; 191 enum ice_status status; 192 193 cmd = &desc.params.vsi_cmd; 194 resp = &desc.params.add_update_free_vsi_res; 195 196 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi); 197 198 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 199 if (keep_vsi_alloc) 200 cmd->cmd_flags = CPU_TO_LE16(ICE_AQ_VSI_KEEP_ALLOC); 201 202 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd); 203 if (!status) { 204 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used); 205 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free); 206 } 207 208 return status; 209 } 210 211 /** 212 * ice_aq_update_vsi 213 * @hw: pointer to the hw struct 214 * @vsi_ctx: pointer to a VSI context struct 215 * @cd: pointer to command details structure or NULL 216 * 217 * Update VSI context in the hardware (0x0211) 218 */ 219 static enum ice_status 220 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx, 221 struct ice_sq_cd *cd) 222 { 223 struct ice_aqc_add_update_free_vsi_resp *resp; 224 struct ice_aqc_add_get_update_free_vsi *cmd; 225 struct ice_aq_desc desc; 226 enum ice_status status; 227 228 cmd = &desc.params.vsi_cmd; 229 resp = &desc.params.add_update_free_vsi_res; 230 231 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi); 232 233 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID); 234 235 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 236 237 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info, 238 sizeof(vsi_ctx->info), cd); 239 240 if (!status) { 241 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used); 242 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free); 243 } 244 245 return status; 246 } 247 248 /** 249 * ice_is_vsi_valid - check whether the VSI is valid or not 250 * @hw: pointer to the hw struct 251 * @vsi_handle: VSI handle 252 * 253 * check whether the VSI is valid or not 254 */ 255 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle) 256 { 257 return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle]; 258 } 259 260 /** 261 * ice_get_hw_vsi_num - return the hw VSI number 262 * @hw: pointer to the hw struct 263 * @vsi_handle: VSI handle 264 * 265 * return the hw VSI number 266 * Caution: call this function only if VSI is valid (ice_is_vsi_valid) 267 */ 268 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle) 269 { 270 return hw->vsi_ctx[vsi_handle]->vsi_num; 271 } 272 273 /** 274 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle 275 * @hw: pointer to the hw struct 276 * @vsi_handle: VSI handle 277 * 278 * return the VSI context entry for a given VSI handle 279 */ 280 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) 281 { 282 return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle]; 283 } 284 285 /** 286 * ice_save_vsi_ctx - save the VSI context for a given VSI handle 287 * @hw: pointer to the hw struct 288 * @vsi_handle: VSI handle 289 * @vsi: VSI context pointer 290 * 291 * save the VSI context entry for a given VSI handle 292 */ 293 static void 294 ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi) 295 { 296 hw->vsi_ctx[vsi_handle] = vsi; 297 } 298 299 /** 300 * ice_clear_vsi_ctx - clear the VSI context entry 301 * @hw: pointer to the hw struct 302 * @vsi_handle: VSI handle 303 * 304 * clear the VSI context entry 305 */ 306 static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle) 307 { 308 struct ice_vsi_ctx *vsi; 309 310 vsi = ice_get_vsi_ctx(hw, vsi_handle); 311 if (vsi) { 312 ice_destroy_lock(&vsi->rss_locks); 313 ice_free(hw, vsi); 314 hw->vsi_ctx[vsi_handle] = NULL; 315 } 316 } 317 318 /** 319 * ice_clear_all_vsi_ctx - clear all the VSI context entries 320 * @hw: pointer to the hw struct 321 */ 322 void ice_clear_all_vsi_ctx(struct ice_hw *hw) 323 { 324 u16 i; 325 326 for (i = 0; i < ICE_MAX_VSI; i++) 327 ice_clear_vsi_ctx(hw, i); 328 } 329 330 /** 331 * ice_add_vsi - add VSI context to the hardware and VSI handle list 332 * @hw: pointer to the hw struct 333 * @vsi_handle: unique VSI handle provided by drivers 334 * @vsi_ctx: pointer to a VSI context struct 335 * @cd: pointer to command details structure or NULL 336 * 337 * Add a VSI context to the hardware also add it into the VSI handle list. 338 * If this function gets called after reset for exisiting VSIs then update 339 * with the new HW VSI number in the corresponding VSI handle list entry. 340 */ 341 enum ice_status 342 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 343 struct ice_sq_cd *cd) 344 { 345 struct ice_vsi_ctx *tmp_vsi_ctx; 346 enum ice_status status; 347 348 if (vsi_handle >= ICE_MAX_VSI) 349 return ICE_ERR_PARAM; 350 status = ice_aq_add_vsi(hw, vsi_ctx, cd); 351 if (status) 352 return status; 353 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle); 354 if (!tmp_vsi_ctx) { 355 /* Create a new vsi context */ 356 tmp_vsi_ctx = (struct ice_vsi_ctx *) 357 ice_malloc(hw, sizeof(*tmp_vsi_ctx)); 358 if (!tmp_vsi_ctx) { 359 ice_aq_free_vsi(hw, vsi_ctx, false, cd); 360 return ICE_ERR_NO_MEMORY; 361 } 362 *tmp_vsi_ctx = *vsi_ctx; 363 ice_init_lock(&tmp_vsi_ctx->rss_locks); 364 INIT_LIST_HEAD(&tmp_vsi_ctx->rss_list_head); 365 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx); 366 } else { 367 /* update with new HW VSI num */ 368 if (tmp_vsi_ctx->vsi_num != vsi_ctx->vsi_num) 369 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num; 370 } 371 372 return status; 373 } 374 375 /** 376 * ice_free_vsi- free VSI context from hardware and VSI handle list 377 * @hw: pointer to the hw struct 378 * @vsi_handle: unique VSI handle 379 * @vsi_ctx: pointer to a VSI context struct 380 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources 381 * @cd: pointer to command details structure or NULL 382 * 383 * Free VSI context info from hardware as well as from VSI handle list 384 */ 385 enum ice_status 386 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 387 bool keep_vsi_alloc, struct ice_sq_cd *cd) 388 { 389 enum ice_status status; 390 391 if (!ice_is_vsi_valid(hw, vsi_handle)) 392 return ICE_ERR_PARAM; 393 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); 394 status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd); 395 if (!status) 396 ice_clear_vsi_ctx(hw, vsi_handle); 397 return status; 398 } 399 400 /** 401 * ice_update_vsi 402 * @hw: pointer to the hw struct 403 * @vsi_handle: unique VSI handle 404 * @vsi_ctx: pointer to a VSI context struct 405 * @cd: pointer to command details structure or NULL 406 * 407 * Update VSI context in the hardware 408 */ 409 enum ice_status 410 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx, 411 struct ice_sq_cd *cd) 412 { 413 if (!ice_is_vsi_valid(hw, vsi_handle)) 414 return ICE_ERR_PARAM; 415 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle); 416 return ice_aq_update_vsi(hw, vsi_ctx, cd); 417 } 418 419 420 421 /** 422 * ice_aq_alloc_free_vsi_list 423 * @hw: pointer to the hw struct 424 * @vsi_list_id: VSI list id returned or used for lookup 425 * @lkup_type: switch rule filter lookup type 426 * @opc: switch rules population command type - pass in the command opcode 427 * 428 * allocates or free a VSI list resource 429 */ 430 static enum ice_status 431 ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id, 432 enum ice_sw_lkup_type lkup_type, 433 enum ice_adminq_opc opc) 434 { 435 struct ice_aqc_alloc_free_res_elem *sw_buf; 436 struct ice_aqc_res_elem *vsi_ele; 437 enum ice_status status; 438 u16 buf_len; 439 440 buf_len = sizeof(*sw_buf); 441 sw_buf = (struct ice_aqc_alloc_free_res_elem *) 442 ice_malloc(hw, buf_len); 443 if (!sw_buf) 444 return ICE_ERR_NO_MEMORY; 445 sw_buf->num_elems = CPU_TO_LE16(1); 446 447 if (lkup_type == ICE_SW_LKUP_MAC || 448 lkup_type == ICE_SW_LKUP_MAC_VLAN || 449 lkup_type == ICE_SW_LKUP_ETHERTYPE || 450 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 451 lkup_type == ICE_SW_LKUP_PROMISC || 452 lkup_type == ICE_SW_LKUP_PROMISC_VLAN) { 453 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP); 454 } else if (lkup_type == ICE_SW_LKUP_VLAN) { 455 sw_buf->res_type = 456 CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE); 457 } else { 458 status = ICE_ERR_PARAM; 459 goto ice_aq_alloc_free_vsi_list_exit; 460 } 461 462 if (opc == ice_aqc_opc_free_res) 463 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id); 464 465 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL); 466 if (status) 467 goto ice_aq_alloc_free_vsi_list_exit; 468 469 if (opc == ice_aqc_opc_alloc_res) { 470 vsi_ele = &sw_buf->elem[0]; 471 *vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp); 472 } 473 474 ice_aq_alloc_free_vsi_list_exit: 475 ice_free(hw, sw_buf); 476 return status; 477 } 478 479 480 /** 481 * ice_aq_sw_rules - add/update/remove switch rules 482 * @hw: pointer to the hw struct 483 * @rule_list: pointer to switch rule population list 484 * @rule_list_sz: total size of the rule list in bytes 485 * @num_rules: number of switch rules in the rule_list 486 * @opc: switch rules population command type - pass in the command opcode 487 * @cd: pointer to command details structure or NULL 488 * 489 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware 490 */ 491 static enum ice_status 492 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz, 493 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd) 494 { 495 struct ice_aq_desc desc; 496 497 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_sw_rules"); 498 499 if (opc != ice_aqc_opc_add_sw_rules && 500 opc != ice_aqc_opc_update_sw_rules && 501 opc != ice_aqc_opc_remove_sw_rules) 502 return ICE_ERR_PARAM; 503 504 ice_fill_dflt_direct_cmd_desc(&desc, opc); 505 506 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 507 desc.params.sw_rules.num_rules_fltr_entry_index = 508 CPU_TO_LE16(num_rules); 509 return ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd); 510 } 511 512 513 /* ice_init_port_info - Initialize port_info with switch configuration data 514 * @pi: pointer to port_info 515 * @vsi_port_num: VSI number or port number 516 * @type: Type of switch element (port or VSI) 517 * @swid: switch ID of the switch the element is attached to 518 * @pf_vf_num: PF or VF number 519 * @is_vf: true if the element is a VF, false otherwise 520 */ 521 static void 522 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type, 523 u16 swid, u16 pf_vf_num, bool is_vf) 524 { 525 switch (type) { 526 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT: 527 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK); 528 pi->sw_id = swid; 529 pi->pf_vf_num = pf_vf_num; 530 pi->is_vf = is_vf; 531 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL; 532 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL; 533 break; 534 default: 535 ice_debug(pi->hw, ICE_DBG_SW, 536 "incorrect VSI/port type received\n"); 537 break; 538 } 539 } 540 541 /* ice_get_initial_sw_cfg - Get initial port and default VSI data 542 * @hw: pointer to the hardware structure 543 */ 544 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw) 545 { 546 struct ice_aqc_get_sw_cfg_resp *rbuf; 547 enum ice_status status; 548 u16 num_total_ports; 549 u16 req_desc = 0; 550 u16 num_elems; 551 u16 j = 0; 552 u16 i; 553 554 num_total_ports = 1; 555 556 rbuf = (struct ice_aqc_get_sw_cfg_resp *) 557 ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN); 558 559 if (!rbuf) 560 return ICE_ERR_NO_MEMORY; 561 562 /* Multiple calls to ice_aq_get_sw_cfg may be required 563 * to get all the switch configuration information. The need 564 * for additional calls is indicated by ice_aq_get_sw_cfg 565 * writing a non-zero value in req_desc 566 */ 567 do { 568 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN, 569 &req_desc, &num_elems, NULL); 570 571 if (status) 572 break; 573 574 for (i = 0; i < num_elems; i++) { 575 struct ice_aqc_get_sw_cfg_resp_elem *ele; 576 u16 pf_vf_num, swid, vsi_port_num; 577 bool is_vf = false; 578 u8 type; 579 580 ele = rbuf[i].elements; 581 vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) & 582 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M; 583 584 pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) & 585 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M; 586 587 swid = LE16_TO_CPU(ele->swid); 588 589 if (LE16_TO_CPU(ele->pf_vf_num) & 590 ICE_AQC_GET_SW_CONF_RESP_IS_VF) 591 is_vf = true; 592 593 type = LE16_TO_CPU(ele->vsi_port_num) >> 594 ICE_AQC_GET_SW_CONF_RESP_TYPE_S; 595 596 switch (type) { 597 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT: 598 case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT: 599 if (j == num_total_ports) { 600 ice_debug(hw, ICE_DBG_SW, 601 "more ports than expected\n"); 602 status = ICE_ERR_CFG; 603 goto out; 604 } 605 ice_init_port_info(hw->port_info, 606 vsi_port_num, type, swid, 607 pf_vf_num, is_vf); 608 j++; 609 break; 610 default: 611 break; 612 } 613 } 614 } while (req_desc && !status); 615 616 617 out: 618 ice_free(hw, (void *)rbuf); 619 return status; 620 } 621 622 623 /** 624 * ice_fill_sw_info - Helper function to populate lb_en and lan_en 625 * @hw: pointer to the hardware structure 626 * @fi: filter info structure to fill/update 627 * 628 * This helper function populates the lb_en and lan_en elements of the provided 629 * ice_fltr_info struct using the switch's type and characteristics of the 630 * switch rule being configured. 631 */ 632 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi) 633 { 634 fi->lb_en = false; 635 fi->lan_en = false; 636 if ((fi->flag & ICE_FLTR_TX) && 637 (fi->fltr_act == ICE_FWD_TO_VSI || 638 fi->fltr_act == ICE_FWD_TO_VSI_LIST || 639 fi->fltr_act == ICE_FWD_TO_Q || 640 fi->fltr_act == ICE_FWD_TO_QGRP)) { 641 /* Setting LB for prune actions will result in replicated 642 * packets to the internal switch that will be dropped. 643 */ 644 if (fi->lkup_type != ICE_SW_LKUP_VLAN) 645 fi->lb_en = true; 646 647 /* Set lan_en to TRUE if 648 * 1. The switch is a VEB AND 649 * 2 650 * 2.1 The lookup is a directional lookup like ethertype, 651 * promiscuous, ethertype-mac, promiscuous-vlan 652 * and default-port OR 653 * 2.2 The lookup is VLAN, OR 654 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR 655 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC. 656 * 657 * OR 658 * 659 * The switch is a VEPA. 660 * 661 * In all other cases, the LAN enable has to be set to false. 662 */ 663 if (hw->evb_veb) { 664 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE || 665 fi->lkup_type == ICE_SW_LKUP_PROMISC || 666 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 667 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN || 668 fi->lkup_type == ICE_SW_LKUP_DFLT || 669 fi->lkup_type == ICE_SW_LKUP_VLAN || 670 (fi->lkup_type == ICE_SW_LKUP_MAC && 671 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) || 672 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN && 673 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr))) 674 fi->lan_en = true; 675 } else { 676 fi->lan_en = true; 677 } 678 } 679 } 680 681 /** 682 * ice_ilog2 - Caculates integer log base 2 of a number 683 * @n: number on which to perform operation 684 */ 685 static int ice_ilog2(u64 n) 686 { 687 int i; 688 689 for (i = 63; i >= 0; i--) 690 if (((u64)1 << i) & n) 691 return i; 692 693 return -1; 694 } 695 696 697 /** 698 * ice_fill_sw_rule - Helper function to fill switch rule structure 699 * @hw: pointer to the hardware structure 700 * @f_info: entry containing packet forwarding information 701 * @s_rule: switch rule structure to be filled in based on mac_entry 702 * @opc: switch rules population command type - pass in the command opcode 703 */ 704 static void 705 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info, 706 struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc) 707 { 708 u16 vlan_id = ICE_MAX_VLAN_ID + 1; 709 void *daddr = NULL; 710 u16 eth_hdr_sz; 711 u8 *eth_hdr; 712 u32 act = 0; 713 __be16 *off; 714 u8 q_rgn; 715 716 717 if (opc == ice_aqc_opc_remove_sw_rules) { 718 s_rule->pdata.lkup_tx_rx.act = 0; 719 s_rule->pdata.lkup_tx_rx.index = 720 CPU_TO_LE16(f_info->fltr_rule_id); 721 s_rule->pdata.lkup_tx_rx.hdr_len = 0; 722 return; 723 } 724 725 eth_hdr_sz = sizeof(dummy_eth_header); 726 eth_hdr = s_rule->pdata.lkup_tx_rx.hdr; 727 728 /* initialize the ether header with a dummy header */ 729 ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA); 730 ice_fill_sw_info(hw, f_info); 731 732 switch (f_info->fltr_act) { 733 case ICE_FWD_TO_VSI: 734 act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) & 735 ICE_SINGLE_ACT_VSI_ID_M; 736 if (f_info->lkup_type != ICE_SW_LKUP_VLAN) 737 act |= ICE_SINGLE_ACT_VSI_FORWARDING | 738 ICE_SINGLE_ACT_VALID_BIT; 739 break; 740 case ICE_FWD_TO_VSI_LIST: 741 act |= ICE_SINGLE_ACT_VSI_LIST; 742 act |= (f_info->fwd_id.vsi_list_id << 743 ICE_SINGLE_ACT_VSI_LIST_ID_S) & 744 ICE_SINGLE_ACT_VSI_LIST_ID_M; 745 if (f_info->lkup_type != ICE_SW_LKUP_VLAN) 746 act |= ICE_SINGLE_ACT_VSI_FORWARDING | 747 ICE_SINGLE_ACT_VALID_BIT; 748 break; 749 case ICE_FWD_TO_Q: 750 act |= ICE_SINGLE_ACT_TO_Q; 751 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & 752 ICE_SINGLE_ACT_Q_INDEX_M; 753 break; 754 case ICE_DROP_PACKET: 755 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP | 756 ICE_SINGLE_ACT_VALID_BIT; 757 break; 758 case ICE_FWD_TO_QGRP: 759 q_rgn = f_info->qgrp_size > 0 ? 760 (u8)ice_ilog2(f_info->qgrp_size) : 0; 761 act |= ICE_SINGLE_ACT_TO_Q; 762 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) & 763 ICE_SINGLE_ACT_Q_INDEX_M; 764 act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) & 765 ICE_SINGLE_ACT_Q_REGION_M; 766 break; 767 default: 768 return; 769 } 770 771 if (f_info->lb_en) 772 act |= ICE_SINGLE_ACT_LB_ENABLE; 773 if (f_info->lan_en) 774 act |= ICE_SINGLE_ACT_LAN_ENABLE; 775 776 switch (f_info->lkup_type) { 777 case ICE_SW_LKUP_MAC: 778 daddr = f_info->l_data.mac.mac_addr; 779 break; 780 case ICE_SW_LKUP_VLAN: 781 vlan_id = f_info->l_data.vlan.vlan_id; 782 if (f_info->fltr_act == ICE_FWD_TO_VSI || 783 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) { 784 act |= ICE_SINGLE_ACT_PRUNE; 785 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS; 786 } 787 break; 788 case ICE_SW_LKUP_ETHERTYPE_MAC: 789 daddr = f_info->l_data.ethertype_mac.mac_addr; 790 /* fall-through */ 791 case ICE_SW_LKUP_ETHERTYPE: 792 off = (__be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET); 793 *off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype); 794 break; 795 case ICE_SW_LKUP_MAC_VLAN: 796 daddr = f_info->l_data.mac_vlan.mac_addr; 797 vlan_id = f_info->l_data.mac_vlan.vlan_id; 798 break; 799 case ICE_SW_LKUP_PROMISC_VLAN: 800 vlan_id = f_info->l_data.mac_vlan.vlan_id; 801 /* fall-through */ 802 case ICE_SW_LKUP_PROMISC: 803 daddr = f_info->l_data.mac_vlan.mac_addr; 804 break; 805 default: 806 break; 807 } 808 809 s_rule->type = (f_info->flag & ICE_FLTR_RX) ? 810 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) : 811 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX); 812 813 /* Recipe set depending on lookup type */ 814 s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(f_info->lkup_type); 815 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(f_info->src); 816 s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act); 817 818 if (daddr) 819 ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN, 820 ICE_NONDMA_TO_NONDMA); 821 822 if (!(vlan_id > ICE_MAX_VLAN_ID)) { 823 off = (__be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET); 824 *off = CPU_TO_BE16(vlan_id); 825 } 826 827 /* Create the switch rule with the final dummy Ethernet header */ 828 if (opc != ice_aqc_opc_update_sw_rules) 829 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(eth_hdr_sz); 830 } 831 832 /** 833 * ice_add_marker_act 834 * @hw: pointer to the hardware structure 835 * @m_ent: the management entry for which sw marker needs to be added 836 * @sw_marker: sw marker to tag the Rx descriptor with 837 * @l_id: large action resource id 838 * 839 * Create a large action to hold software marker and update the switch rule 840 * entry pointed by m_ent with newly created large action 841 */ 842 static enum ice_status 843 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent, 844 u16 sw_marker, u16 l_id) 845 { 846 struct ice_aqc_sw_rules_elem *lg_act, *rx_tx; 847 /* For software marker we need 3 large actions 848 * 1. FWD action: FWD TO VSI or VSI LIST 849 * 2. GENERIC VALUE action to hold the profile id 850 * 3. GENERIC VALUE action to hold the software marker id 851 */ 852 const u16 num_lg_acts = 3; 853 enum ice_status status; 854 u16 lg_act_size; 855 u16 rules_size; 856 u32 act; 857 u16 id; 858 859 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC) 860 return ICE_ERR_PARAM; 861 862 /* Create two back-to-back switch rules and submit them to the HW using 863 * one memory buffer: 864 * 1. Large Action 865 * 2. Look up Tx Rx 866 */ 867 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts); 868 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE; 869 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size); 870 if (!lg_act) 871 return ICE_ERR_NO_MEMORY; 872 873 rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size); 874 875 /* Fill in the first switch rule i.e. large action */ 876 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT); 877 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id); 878 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_lg_acts); 879 880 /* First action VSI forwarding or VSI list forwarding depending on how 881 * many VSIs 882 */ 883 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id : 884 m_ent->fltr_info.fwd_id.hw_vsi_id; 885 886 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT; 887 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) & 888 ICE_LG_ACT_VSI_LIST_ID_M; 889 if (m_ent->vsi_count > 1) 890 act |= ICE_LG_ACT_VSI_LIST; 891 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act); 892 893 /* Second action descriptor type */ 894 act = ICE_LG_ACT_GENERIC; 895 896 act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M; 897 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act); 898 899 act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX << 900 ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M; 901 902 /* Third action Marker value */ 903 act |= ICE_LG_ACT_GENERIC; 904 act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) & 905 ICE_LG_ACT_GENERIC_VALUE_M; 906 907 lg_act->pdata.lg_act.act[2] = CPU_TO_LE32(act); 908 909 /* call the fill switch rule to fill the lookup Tx Rx structure */ 910 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx, 911 ice_aqc_opc_update_sw_rules); 912 913 /* Update the action to point to the large action id */ 914 rx_tx->pdata.lkup_tx_rx.act = 915 CPU_TO_LE32(ICE_SINGLE_ACT_PTR | 916 ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) & 917 ICE_SINGLE_ACT_PTR_VAL_M)); 918 919 /* Use the filter rule id of the previously created rule with single 920 * act. Once the update happens, hardware will treat this as large 921 * action 922 */ 923 rx_tx->pdata.lkup_tx_rx.index = 924 CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id); 925 926 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2, 927 ice_aqc_opc_update_sw_rules, NULL); 928 if (!status) { 929 m_ent->lg_act_idx = l_id; 930 m_ent->sw_marker_id = sw_marker; 931 } 932 933 ice_free(hw, lg_act); 934 return status; 935 } 936 937 938 /** 939 * ice_create_vsi_list_map 940 * @hw: pointer to the hardware structure 941 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping 942 * @num_vsi: number of VSI handles in the array 943 * @vsi_list_id: VSI list id generated as part of allocate resource 944 * 945 * Helper function to create a new entry of VSI list id to VSI mapping 946 * using the given VSI list id 947 */ 948 static struct ice_vsi_list_map_info * 949 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 950 u16 vsi_list_id) 951 { 952 struct ice_switch_info *sw = hw->switch_info; 953 struct ice_vsi_list_map_info *v_map; 954 int i; 955 956 v_map = (struct ice_vsi_list_map_info *)ice_calloc(hw, 1, 957 sizeof(*v_map)); 958 if (!v_map) 959 return NULL; 960 961 v_map->vsi_list_id = vsi_list_id; 962 v_map->ref_cnt = 1; 963 for (i = 0; i < num_vsi; i++) 964 ice_set_bit(vsi_handle_arr[i], v_map->vsi_map); 965 966 LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head); 967 return v_map; 968 } 969 970 /** 971 * ice_update_vsi_list_rule 972 * @hw: pointer to the hardware structure 973 * @vsi_handle_arr: array of VSI handles to form a VSI list 974 * @num_vsi: number of VSI handles in the array 975 * @vsi_list_id: VSI list id generated as part of allocate resource 976 * @remove: Boolean value to indicate if this is a remove action 977 * @opc: switch rules population command type - pass in the command opcode 978 * @lkup_type: lookup type of the filter 979 * 980 * Call AQ command to add a new switch rule or update existing switch rule 981 * using the given VSI list id 982 */ 983 static enum ice_status 984 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 985 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc, 986 enum ice_sw_lkup_type lkup_type) 987 { 988 struct ice_aqc_sw_rules_elem *s_rule; 989 enum ice_status status; 990 u16 s_rule_size; 991 u16 type; 992 int i; 993 994 if (!num_vsi) 995 return ICE_ERR_PARAM; 996 997 if (lkup_type == ICE_SW_LKUP_MAC || 998 lkup_type == ICE_SW_LKUP_MAC_VLAN || 999 lkup_type == ICE_SW_LKUP_ETHERTYPE || 1000 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC || 1001 lkup_type == ICE_SW_LKUP_PROMISC || 1002 lkup_type == ICE_SW_LKUP_PROMISC_VLAN) 1003 type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR : 1004 ICE_AQC_SW_RULES_T_VSI_LIST_SET; 1005 else if (lkup_type == ICE_SW_LKUP_VLAN) 1006 type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR : 1007 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET; 1008 else 1009 return ICE_ERR_PARAM; 1010 1011 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi); 1012 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 1013 if (!s_rule) 1014 return ICE_ERR_NO_MEMORY; 1015 for (i = 0; i < num_vsi; i++) { 1016 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) { 1017 status = ICE_ERR_PARAM; 1018 goto exit; 1019 } 1020 /* AQ call requires hw_vsi_id(s) */ 1021 s_rule->pdata.vsi_list.vsi[i] = 1022 CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i])); 1023 } 1024 1025 s_rule->type = CPU_TO_LE16(type); 1026 s_rule->pdata.vsi_list.number_vsi = CPU_TO_LE16(num_vsi); 1027 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id); 1028 1029 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL); 1030 1031 exit: 1032 ice_free(hw, s_rule); 1033 return status; 1034 } 1035 1036 /** 1037 * ice_create_vsi_list_rule - Creates and populates a VSI list rule 1038 * @hw: pointer to the hw struct 1039 * @vsi_handle_arr: array of VSI handles to form a VSI list 1040 * @num_vsi: number of VSI handles in the array 1041 * @vsi_list_id: stores the ID of the VSI list to be created 1042 * @lkup_type: switch rule filter's lookup type 1043 */ 1044 static enum ice_status 1045 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi, 1046 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type) 1047 { 1048 enum ice_status status; 1049 1050 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type, 1051 ice_aqc_opc_alloc_res); 1052 if (status) 1053 return status; 1054 1055 /* Update the newly created VSI list to include the specified VSIs */ 1056 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi, 1057 *vsi_list_id, false, 1058 ice_aqc_opc_add_sw_rules, lkup_type); 1059 } 1060 1061 /** 1062 * ice_create_pkt_fwd_rule 1063 * @hw: pointer to the hardware structure 1064 * @f_entry: entry containing packet forwarding information 1065 * 1066 * Create switch rule with given filter information and add an entry 1067 * to the corresponding filter management list to track this switch rule 1068 * and VSI mapping 1069 */ 1070 static enum ice_status 1071 ice_create_pkt_fwd_rule(struct ice_hw *hw, 1072 struct ice_fltr_list_entry *f_entry) 1073 { 1074 struct ice_fltr_mgmt_list_entry *fm_entry; 1075 struct ice_aqc_sw_rules_elem *s_rule; 1076 enum ice_sw_lkup_type l_type; 1077 struct ice_sw_recipe *recp; 1078 enum ice_status status; 1079 1080 s_rule = (struct ice_aqc_sw_rules_elem *) 1081 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE); 1082 if (!s_rule) 1083 return ICE_ERR_NO_MEMORY; 1084 fm_entry = (struct ice_fltr_mgmt_list_entry *) 1085 ice_malloc(hw, sizeof(*fm_entry)); 1086 if (!fm_entry) { 1087 status = ICE_ERR_NO_MEMORY; 1088 goto ice_create_pkt_fwd_rule_exit; 1089 } 1090 1091 fm_entry->fltr_info = f_entry->fltr_info; 1092 1093 /* Initialize all the fields for the management entry */ 1094 fm_entry->vsi_count = 1; 1095 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX; 1096 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID; 1097 fm_entry->counter_index = ICE_INVAL_COUNTER_ID; 1098 1099 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule, 1100 ice_aqc_opc_add_sw_rules); 1101 1102 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1, 1103 ice_aqc_opc_add_sw_rules, NULL); 1104 if (status) { 1105 ice_free(hw, fm_entry); 1106 goto ice_create_pkt_fwd_rule_exit; 1107 } 1108 1109 f_entry->fltr_info.fltr_rule_id = 1110 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 1111 fm_entry->fltr_info.fltr_rule_id = 1112 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 1113 1114 /* The book keeping entries will get removed when base driver 1115 * calls remove filter AQ command 1116 */ 1117 l_type = fm_entry->fltr_info.lkup_type; 1118 recp = &hw->switch_info->recp_list[l_type]; 1119 LIST_ADD(&fm_entry->list_entry, &recp->filt_rules); 1120 1121 ice_create_pkt_fwd_rule_exit: 1122 ice_free(hw, s_rule); 1123 return status; 1124 } 1125 1126 /** 1127 * ice_update_pkt_fwd_rule 1128 * @hw: pointer to the hardware structure 1129 * @f_info: filter information for switch rule 1130 * 1131 * Call AQ command to update a previously created switch rule with a 1132 * VSI list id 1133 */ 1134 static enum ice_status 1135 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info) 1136 { 1137 struct ice_aqc_sw_rules_elem *s_rule; 1138 enum ice_status status; 1139 1140 s_rule = (struct ice_aqc_sw_rules_elem *) 1141 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE); 1142 if (!s_rule) 1143 return ICE_ERR_NO_MEMORY; 1144 1145 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules); 1146 1147 s_rule->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_info->fltr_rule_id); 1148 1149 /* Update switch rule with new rule set to forward VSI list */ 1150 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1, 1151 ice_aqc_opc_update_sw_rules, NULL); 1152 1153 ice_free(hw, s_rule); 1154 return status; 1155 } 1156 1157 /** 1158 * ice_update_sw_rule_bridge_mode 1159 * @hw: pointer to the hw struct 1160 * 1161 * Updates unicast switch filter rules based on VEB/VEPA mode 1162 */ 1163 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw) 1164 { 1165 struct ice_switch_info *sw = hw->switch_info; 1166 struct ice_fltr_mgmt_list_entry *fm_entry; 1167 enum ice_status status = ICE_SUCCESS; 1168 struct LIST_HEAD_TYPE *rule_head; 1169 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1170 1171 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; 1172 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; 1173 1174 ice_acquire_lock(rule_lock); 1175 LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry, 1176 list_entry) { 1177 struct ice_fltr_info *fi = &fm_entry->fltr_info; 1178 u8 *addr = fi->l_data.mac.mac_addr; 1179 1180 /* Update unicast Tx rules to reflect the selected 1181 * VEB/VEPA mode 1182 */ 1183 if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) && 1184 (fi->fltr_act == ICE_FWD_TO_VSI || 1185 fi->fltr_act == ICE_FWD_TO_VSI_LIST || 1186 fi->fltr_act == ICE_FWD_TO_Q || 1187 fi->fltr_act == ICE_FWD_TO_QGRP)) { 1188 status = ice_update_pkt_fwd_rule(hw, fi); 1189 if (status) 1190 break; 1191 } 1192 } 1193 1194 ice_release_lock(rule_lock); 1195 1196 return status; 1197 } 1198 1199 /** 1200 * ice_add_update_vsi_list 1201 * @hw: pointer to the hardware structure 1202 * @m_entry: pointer to current filter management list entry 1203 * @cur_fltr: filter information from the book keeping entry 1204 * @new_fltr: filter information with the new VSI to be added 1205 * 1206 * Call AQ command to add or update previously created VSI list with new VSI. 1207 * 1208 * Helper function to do book keeping associated with adding filter information 1209 * The algorithm to do the book keeping is described below : 1210 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.) 1211 * if only one VSI has been added till now 1212 * Allocate a new VSI list and add two VSIs 1213 * to this list using switch rule command 1214 * Update the previously created switch rule with the 1215 * newly created VSI list id 1216 * if a VSI list was previously created 1217 * Add the new VSI to the previously created VSI list set 1218 * using the update switch rule command 1219 */ 1220 static enum ice_status 1221 ice_add_update_vsi_list(struct ice_hw *hw, 1222 struct ice_fltr_mgmt_list_entry *m_entry, 1223 struct ice_fltr_info *cur_fltr, 1224 struct ice_fltr_info *new_fltr) 1225 { 1226 enum ice_status status = ICE_SUCCESS; 1227 u16 vsi_list_id = 0; 1228 1229 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q || 1230 cur_fltr->fltr_act == ICE_FWD_TO_QGRP)) 1231 return ICE_ERR_NOT_IMPL; 1232 1233 if ((new_fltr->fltr_act == ICE_FWD_TO_Q || 1234 new_fltr->fltr_act == ICE_FWD_TO_QGRP) && 1235 (cur_fltr->fltr_act == ICE_FWD_TO_VSI || 1236 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST)) 1237 return ICE_ERR_NOT_IMPL; 1238 1239 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) { 1240 /* Only one entry existed in the mapping and it was not already 1241 * a part of a VSI list. So, create a VSI list with the old and 1242 * new VSIs. 1243 */ 1244 struct ice_fltr_info tmp_fltr; 1245 u16 vsi_handle_arr[2]; 1246 1247 /* A rule already exists with the new VSI being added */ 1248 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id) 1249 return ICE_ERR_ALREADY_EXISTS; 1250 1251 vsi_handle_arr[0] = cur_fltr->vsi_handle; 1252 vsi_handle_arr[1] = new_fltr->vsi_handle; 1253 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 1254 &vsi_list_id, 1255 new_fltr->lkup_type); 1256 if (status) 1257 return status; 1258 1259 tmp_fltr = *new_fltr; 1260 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id; 1261 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 1262 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 1263 /* Update the previous switch rule of "MAC forward to VSI" to 1264 * "MAC fwd to VSI list" 1265 */ 1266 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 1267 if (status) 1268 return status; 1269 1270 cur_fltr->fwd_id.vsi_list_id = vsi_list_id; 1271 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; 1272 m_entry->vsi_list_info = 1273 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 1274 vsi_list_id); 1275 1276 /* If this entry was large action then the large action needs 1277 * to be updated to point to FWD to VSI list 1278 */ 1279 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) 1280 status = 1281 ice_add_marker_act(hw, m_entry, 1282 m_entry->sw_marker_id, 1283 m_entry->lg_act_idx); 1284 } else { 1285 u16 vsi_handle = new_fltr->vsi_handle; 1286 enum ice_adminq_opc opcode; 1287 1288 if (!m_entry->vsi_list_info) 1289 return ICE_ERR_CFG; 1290 1291 /* A rule already exists with the new VSI being added */ 1292 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle)) 1293 return ICE_SUCCESS; 1294 1295 /* Update the previously created VSI list set with 1296 * the new VSI id passed in 1297 */ 1298 vsi_list_id = cur_fltr->fwd_id.vsi_list_id; 1299 opcode = ice_aqc_opc_update_sw_rules; 1300 1301 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, 1302 vsi_list_id, false, opcode, 1303 new_fltr->lkup_type); 1304 /* update VSI list mapping info with new VSI id */ 1305 if (!status) 1306 ice_set_bit(vsi_handle, 1307 m_entry->vsi_list_info->vsi_map); 1308 } 1309 if (!status) 1310 m_entry->vsi_count++; 1311 return status; 1312 } 1313 1314 /** 1315 * ice_find_rule_entry - Search a rule entry 1316 * @hw: pointer to the hardware structure 1317 * @recp_id: lookup type for which the specified rule needs to be searched 1318 * @f_info: rule information 1319 * 1320 * Helper function to search for a given rule entry 1321 * Returns pointer to entry storing the rule if found 1322 */ 1323 static struct ice_fltr_mgmt_list_entry * 1324 ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info) 1325 { 1326 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL; 1327 struct ice_switch_info *sw = hw->switch_info; 1328 struct LIST_HEAD_TYPE *list_head; 1329 1330 list_head = &sw->recp_list[recp_id].filt_rules; 1331 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry, 1332 list_entry) { 1333 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data, 1334 sizeof(f_info->l_data)) && 1335 f_info->flag == list_itr->fltr_info.flag) { 1336 ret = list_itr; 1337 break; 1338 } 1339 } 1340 return ret; 1341 } 1342 1343 /** 1344 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1 1345 * @hw: pointer to the hardware structure 1346 * @recp_id: lookup type for which VSI lists needs to be searched 1347 * @vsi_handle: VSI handle to be found in VSI list 1348 * @vsi_list_id: VSI list id found contaning vsi_handle 1349 * 1350 * Helper function to search a VSI list with single entry containing given VSI 1351 * handle element. This can be extended further to search VSI list with more 1352 * than 1 vsi_count. Returns pointer to VSI list entry if found. 1353 */ 1354 static struct ice_vsi_list_map_info * 1355 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle, 1356 u16 *vsi_list_id) 1357 { 1358 struct ice_vsi_list_map_info *map_info = NULL; 1359 struct ice_switch_info *sw = hw->switch_info; 1360 struct ice_fltr_mgmt_list_entry *list_itr; 1361 struct LIST_HEAD_TYPE *list_head; 1362 1363 list_head = &sw->recp_list[recp_id].filt_rules; 1364 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry, 1365 list_entry) { 1366 if (list_itr->vsi_count == 1 && list_itr->vsi_list_info) { 1367 map_info = list_itr->vsi_list_info; 1368 if (ice_is_bit_set(map_info->vsi_map, vsi_handle)) { 1369 *vsi_list_id = map_info->vsi_list_id; 1370 return map_info; 1371 } 1372 } 1373 } 1374 return NULL; 1375 } 1376 1377 /** 1378 * ice_add_rule_internal - add rule for a given lookup type 1379 * @hw: pointer to the hardware structure 1380 * @recp_id: lookup type (recipe id) for which rule has to be added 1381 * @f_entry: structure containing MAC forwarding information 1382 * 1383 * Adds or updates the rule lists for a given recipe 1384 */ 1385 static enum ice_status 1386 ice_add_rule_internal(struct ice_hw *hw, u8 recp_id, 1387 struct ice_fltr_list_entry *f_entry) 1388 { 1389 struct ice_switch_info *sw = hw->switch_info; 1390 struct ice_fltr_info *new_fltr, *cur_fltr; 1391 struct ice_fltr_mgmt_list_entry *m_entry; 1392 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1393 enum ice_status status = ICE_SUCCESS; 1394 1395 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 1396 return ICE_ERR_PARAM; 1397 1398 /* Load the hw_vsi_id only if the fwd action is fwd to VSI */ 1399 if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI) 1400 f_entry->fltr_info.fwd_id.hw_vsi_id = 1401 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 1402 1403 rule_lock = &sw->recp_list[recp_id].filt_rule_lock; 1404 1405 ice_acquire_lock(rule_lock); 1406 new_fltr = &f_entry->fltr_info; 1407 if (new_fltr->flag & ICE_FLTR_RX) 1408 new_fltr->src = hw->port_info->lport; 1409 else if (new_fltr->flag & ICE_FLTR_TX) 1410 new_fltr->src = 1411 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 1412 1413 m_entry = ice_find_rule_entry(hw, recp_id, new_fltr); 1414 if (!m_entry) { 1415 ice_release_lock(rule_lock); 1416 return ice_create_pkt_fwd_rule(hw, f_entry); 1417 } 1418 1419 cur_fltr = &m_entry->fltr_info; 1420 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr); 1421 ice_release_lock(rule_lock); 1422 1423 return status; 1424 } 1425 1426 /** 1427 * ice_remove_vsi_list_rule 1428 * @hw: pointer to the hardware structure 1429 * @vsi_list_id: VSI list id generated as part of allocate resource 1430 * @lkup_type: switch rule filter lookup type 1431 * 1432 * The VSI list should be emptied before this function is called to remove the 1433 * VSI list. 1434 */ 1435 static enum ice_status 1436 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id, 1437 enum ice_sw_lkup_type lkup_type) 1438 { 1439 struct ice_aqc_sw_rules_elem *s_rule; 1440 enum ice_status status; 1441 u16 s_rule_size; 1442 1443 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(0); 1444 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 1445 if (!s_rule) 1446 return ICE_ERR_NO_MEMORY; 1447 1448 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR); 1449 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id); 1450 1451 /* Free the vsi_list resource that we allocated. It is assumed that the 1452 * list is empty at this point. 1453 */ 1454 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type, 1455 ice_aqc_opc_free_res); 1456 1457 ice_free(hw, s_rule); 1458 return status; 1459 } 1460 1461 /** 1462 * ice_rem_update_vsi_list 1463 * @hw: pointer to the hardware structure 1464 * @vsi_handle: VSI handle of the VSI to remove 1465 * @fm_list: filter management entry for which the VSI list management needs to 1466 * be done 1467 */ 1468 static enum ice_status 1469 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle, 1470 struct ice_fltr_mgmt_list_entry *fm_list) 1471 { 1472 enum ice_sw_lkup_type lkup_type; 1473 enum ice_status status = ICE_SUCCESS; 1474 u16 vsi_list_id; 1475 1476 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST || 1477 fm_list->vsi_count == 0) 1478 return ICE_ERR_PARAM; 1479 1480 /* A rule with the VSI being removed does not exist */ 1481 if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle)) 1482 return ICE_ERR_DOES_NOT_EXIST; 1483 1484 lkup_type = fm_list->fltr_info.lkup_type; 1485 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id; 1486 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true, 1487 ice_aqc_opc_update_sw_rules, 1488 lkup_type); 1489 if (status) 1490 return status; 1491 1492 fm_list->vsi_count--; 1493 ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map); 1494 1495 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) { 1496 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info; 1497 struct ice_vsi_list_map_info *vsi_list_info = 1498 fm_list->vsi_list_info; 1499 u16 rem_vsi_handle; 1500 1501 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map, 1502 ICE_MAX_VSI); 1503 if (!ice_is_vsi_valid(hw, rem_vsi_handle)) 1504 return ICE_ERR_OUT_OF_RANGE; 1505 1506 /* Make sure VSI list is empty before removing it below */ 1507 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1, 1508 vsi_list_id, true, 1509 ice_aqc_opc_update_sw_rules, 1510 lkup_type); 1511 if (status) 1512 return status; 1513 1514 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI; 1515 tmp_fltr_info.fwd_id.hw_vsi_id = 1516 ice_get_hw_vsi_num(hw, rem_vsi_handle); 1517 tmp_fltr_info.vsi_handle = rem_vsi_handle; 1518 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info); 1519 if (status) { 1520 ice_debug(hw, ICE_DBG_SW, 1521 "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n", 1522 tmp_fltr_info.fwd_id.hw_vsi_id, status); 1523 return status; 1524 } 1525 1526 fm_list->fltr_info = tmp_fltr_info; 1527 } 1528 1529 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) || 1530 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) { 1531 struct ice_vsi_list_map_info *vsi_list_info = 1532 fm_list->vsi_list_info; 1533 1534 /* Remove the VSI list since it is no longer used */ 1535 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type); 1536 if (status) { 1537 ice_debug(hw, ICE_DBG_SW, 1538 "Failed to remove VSI list %d, error %d\n", 1539 vsi_list_id, status); 1540 return status; 1541 } 1542 1543 LIST_DEL(&vsi_list_info->list_entry); 1544 ice_free(hw, vsi_list_info); 1545 fm_list->vsi_list_info = NULL; 1546 } 1547 1548 return status; 1549 } 1550 1551 /** 1552 * ice_remove_rule_internal - Remove a filter rule of a given type 1553 * 1554 * @hw: pointer to the hardware structure 1555 * @recp_id: recipe id for which the rule needs to removed 1556 * @f_entry: rule entry containing filter information 1557 */ 1558 static enum ice_status 1559 ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id, 1560 struct ice_fltr_list_entry *f_entry) 1561 { 1562 struct ice_switch_info *sw = hw->switch_info; 1563 struct ice_fltr_mgmt_list_entry *list_elem; 1564 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1565 enum ice_status status = ICE_SUCCESS; 1566 bool remove_rule = false; 1567 u16 vsi_handle; 1568 1569 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 1570 return ICE_ERR_PARAM; 1571 f_entry->fltr_info.fwd_id.hw_vsi_id = 1572 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 1573 1574 rule_lock = &sw->recp_list[recp_id].filt_rule_lock; 1575 ice_acquire_lock(rule_lock); 1576 list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info); 1577 if (!list_elem) { 1578 status = ICE_ERR_DOES_NOT_EXIST; 1579 goto exit; 1580 } 1581 1582 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) { 1583 remove_rule = true; 1584 } else if (!list_elem->vsi_list_info) { 1585 status = ICE_ERR_DOES_NOT_EXIST; 1586 goto exit; 1587 } else if (list_elem->vsi_list_info->ref_cnt > 1) { 1588 /* a ref_cnt > 1 indicates that the vsi_list is being 1589 * shared by multiple rules. Decrement the ref_cnt and 1590 * remove this rule, but do not modify the list, as it 1591 * is in-use by other rules. 1592 */ 1593 list_elem->vsi_list_info->ref_cnt--; 1594 remove_rule = true; 1595 } else { 1596 /* a ref_cnt of 1 indicates the vsi_list is only used 1597 * by one rule. However, the original removal request is only 1598 * for a single VSI. Update the vsi_list first, and only 1599 * remove the rule if there are no further VSIs in this list. 1600 */ 1601 vsi_handle = f_entry->fltr_info.vsi_handle; 1602 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem); 1603 if (status) 1604 goto exit; 1605 /* if vsi count goes to zero after updating the vsi list */ 1606 if (list_elem->vsi_count == 0) 1607 remove_rule = true; 1608 } 1609 1610 if (remove_rule) { 1611 /* Remove the lookup rule */ 1612 struct ice_aqc_sw_rules_elem *s_rule; 1613 1614 s_rule = (struct ice_aqc_sw_rules_elem *) 1615 ice_malloc(hw, ICE_SW_RULE_RX_TX_NO_HDR_SIZE); 1616 if (!s_rule) { 1617 status = ICE_ERR_NO_MEMORY; 1618 goto exit; 1619 } 1620 1621 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule, 1622 ice_aqc_opc_remove_sw_rules); 1623 1624 status = ice_aq_sw_rules(hw, s_rule, 1625 ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1, 1626 ice_aqc_opc_remove_sw_rules, NULL); 1627 if (status) 1628 goto exit; 1629 1630 /* Remove a book keeping from the list */ 1631 ice_free(hw, s_rule); 1632 1633 LIST_DEL(&list_elem->list_entry); 1634 ice_free(hw, list_elem); 1635 } 1636 exit: 1637 ice_release_lock(rule_lock); 1638 return status; 1639 } 1640 1641 1642 /** 1643 * ice_add_mac - Add a MAC address based filter rule 1644 * @hw: pointer to the hardware structure 1645 * @m_list: list of MAC addresses and forwarding information 1646 * 1647 * IMPORTANT: When the ucast_shared flag is set to false and m_list has 1648 * multiple unicast addresses, the function assumes that all the 1649 * addresses are unique in a given add_mac call. It doesn't 1650 * check for duplicates in this case, removing duplicates from a given 1651 * list should be taken care of in the caller of this function. 1652 */ 1653 enum ice_status 1654 ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list) 1655 { 1656 struct ice_aqc_sw_rules_elem *s_rule, *r_iter; 1657 struct ice_fltr_list_entry *m_list_itr; 1658 struct LIST_HEAD_TYPE *rule_head; 1659 u16 elem_sent, total_elem_left; 1660 struct ice_switch_info *sw; 1661 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1662 enum ice_status status = ICE_SUCCESS; 1663 u16 num_unicast = 0; 1664 u16 s_rule_size; 1665 1666 if (!m_list || !hw) 1667 return ICE_ERR_PARAM; 1668 s_rule = NULL; 1669 sw = hw->switch_info; 1670 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock; 1671 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 1672 list_entry) { 1673 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0]; 1674 u16 vsi_handle; 1675 u16 hw_vsi_id; 1676 1677 m_list_itr->fltr_info.flag = ICE_FLTR_TX; 1678 vsi_handle = m_list_itr->fltr_info.vsi_handle; 1679 if (!ice_is_vsi_valid(hw, vsi_handle)) 1680 return ICE_ERR_PARAM; 1681 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 1682 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id; 1683 /* update the src in case it is vsi num */ 1684 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI) 1685 return ICE_ERR_PARAM; 1686 m_list_itr->fltr_info.src = hw_vsi_id; 1687 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC || 1688 IS_ZERO_ETHER_ADDR(add)) 1689 return ICE_ERR_PARAM; 1690 if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) { 1691 /* Don't overwrite the unicast address */ 1692 ice_acquire_lock(rule_lock); 1693 if (ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, 1694 &m_list_itr->fltr_info)) { 1695 ice_release_lock(rule_lock); 1696 return ICE_ERR_ALREADY_EXISTS; 1697 } 1698 ice_release_lock(rule_lock); 1699 num_unicast++; 1700 } else if (IS_MULTICAST_ETHER_ADDR(add) || 1701 (IS_UNICAST_ETHER_ADDR(add) && hw->ucast_shared)) { 1702 m_list_itr->status = 1703 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC, 1704 m_list_itr); 1705 if (m_list_itr->status) 1706 return m_list_itr->status; 1707 } 1708 } 1709 1710 ice_acquire_lock(rule_lock); 1711 /* Exit if no suitable entries were found for adding bulk switch rule */ 1712 if (!num_unicast) { 1713 status = ICE_SUCCESS; 1714 goto ice_add_mac_exit; 1715 } 1716 1717 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules; 1718 1719 /* Allocate switch rule buffer for the bulk update for unicast */ 1720 s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE; 1721 s_rule = (struct ice_aqc_sw_rules_elem *) 1722 ice_calloc(hw, num_unicast, s_rule_size); 1723 if (!s_rule) { 1724 status = ICE_ERR_NO_MEMORY; 1725 goto ice_add_mac_exit; 1726 } 1727 1728 r_iter = s_rule; 1729 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 1730 list_entry) { 1731 struct ice_fltr_info *f_info = &m_list_itr->fltr_info; 1732 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; 1733 1734 if (IS_UNICAST_ETHER_ADDR(mac_addr)) { 1735 ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter, 1736 ice_aqc_opc_add_sw_rules); 1737 r_iter = (struct ice_aqc_sw_rules_elem *) 1738 ((u8 *)r_iter + s_rule_size); 1739 } 1740 } 1741 1742 /* Call AQ bulk switch rule update for all unicast addresses */ 1743 r_iter = s_rule; 1744 /* Call AQ switch rule in AQ_MAX chunk */ 1745 for (total_elem_left = num_unicast; total_elem_left > 0; 1746 total_elem_left -= elem_sent) { 1747 struct ice_aqc_sw_rules_elem *entry = r_iter; 1748 1749 elem_sent = min(total_elem_left, 1750 (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size)); 1751 status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size, 1752 elem_sent, ice_aqc_opc_add_sw_rules, 1753 NULL); 1754 if (status) 1755 goto ice_add_mac_exit; 1756 r_iter = (struct ice_aqc_sw_rules_elem *) 1757 ((u8 *)r_iter + (elem_sent * s_rule_size)); 1758 } 1759 1760 /* Fill up rule id based on the value returned from FW */ 1761 r_iter = s_rule; 1762 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry, 1763 list_entry) { 1764 struct ice_fltr_info *f_info = &m_list_itr->fltr_info; 1765 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0]; 1766 struct ice_fltr_mgmt_list_entry *fm_entry; 1767 1768 if (IS_UNICAST_ETHER_ADDR(mac_addr)) { 1769 f_info->fltr_rule_id = 1770 LE16_TO_CPU(r_iter->pdata.lkup_tx_rx.index); 1771 f_info->fltr_act = ICE_FWD_TO_VSI; 1772 /* Create an entry to track this MAC address */ 1773 fm_entry = (struct ice_fltr_mgmt_list_entry *) 1774 ice_malloc(hw, sizeof(*fm_entry)); 1775 if (!fm_entry) { 1776 status = ICE_ERR_NO_MEMORY; 1777 goto ice_add_mac_exit; 1778 } 1779 fm_entry->fltr_info = *f_info; 1780 fm_entry->vsi_count = 1; 1781 /* The book keeping entries will get removed when 1782 * base driver calls remove filter AQ command 1783 */ 1784 1785 LIST_ADD(&fm_entry->list_entry, rule_head); 1786 r_iter = (struct ice_aqc_sw_rules_elem *) 1787 ((u8 *)r_iter + s_rule_size); 1788 } 1789 } 1790 1791 ice_add_mac_exit: 1792 ice_release_lock(rule_lock); 1793 if (s_rule) 1794 ice_free(hw, s_rule); 1795 return status; 1796 } 1797 1798 /** 1799 * ice_add_vlan_internal - Add one VLAN based filter rule 1800 * @hw: pointer to the hardware structure 1801 * @f_entry: filter entry containing one VLAN information 1802 */ 1803 static enum ice_status 1804 ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry) 1805 { 1806 struct ice_switch_info *sw = hw->switch_info; 1807 struct ice_fltr_mgmt_list_entry *v_list_itr; 1808 struct ice_fltr_info *new_fltr, *cur_fltr; 1809 enum ice_sw_lkup_type lkup_type; 1810 u16 vsi_list_id = 0, vsi_handle; 1811 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 1812 enum ice_status status = ICE_SUCCESS; 1813 1814 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle)) 1815 return ICE_ERR_PARAM; 1816 1817 f_entry->fltr_info.fwd_id.hw_vsi_id = 1818 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle); 1819 new_fltr = &f_entry->fltr_info; 1820 1821 /* VLAN id should only be 12 bits */ 1822 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID) 1823 return ICE_ERR_PARAM; 1824 1825 if (new_fltr->src_id != ICE_SRC_ID_VSI) 1826 return ICE_ERR_PARAM; 1827 1828 new_fltr->src = new_fltr->fwd_id.hw_vsi_id; 1829 lkup_type = new_fltr->lkup_type; 1830 vsi_handle = new_fltr->vsi_handle; 1831 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; 1832 ice_acquire_lock(rule_lock); 1833 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr); 1834 if (!v_list_itr) { 1835 struct ice_vsi_list_map_info *map_info = NULL; 1836 1837 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) { 1838 /* All VLAN pruning rules use a VSI list. Check if 1839 * there is already a VSI list containing VSI that we 1840 * want to add. If found, use the same vsi_list_id for 1841 * this new VLAN rule or else create a new list. 1842 */ 1843 map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN, 1844 vsi_handle, 1845 &vsi_list_id); 1846 if (!map_info) { 1847 status = ice_create_vsi_list_rule(hw, 1848 &vsi_handle, 1849 1, 1850 &vsi_list_id, 1851 lkup_type); 1852 if (status) 1853 goto exit; 1854 } 1855 /* Convert the action to forwarding to a VSI list. */ 1856 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST; 1857 new_fltr->fwd_id.vsi_list_id = vsi_list_id; 1858 } 1859 1860 status = ice_create_pkt_fwd_rule(hw, f_entry); 1861 if (!status) { 1862 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, 1863 new_fltr); 1864 if (!v_list_itr) { 1865 status = ICE_ERR_DOES_NOT_EXIST; 1866 goto exit; 1867 } 1868 /* reuse VSI list for new rule and increment ref_cnt */ 1869 if (map_info) { 1870 v_list_itr->vsi_list_info = map_info; 1871 map_info->ref_cnt++; 1872 } else { 1873 v_list_itr->vsi_list_info = 1874 ice_create_vsi_list_map(hw, &vsi_handle, 1875 1, vsi_list_id); 1876 } 1877 } 1878 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) { 1879 /* Update existing VSI list to add new VSI id only if it used 1880 * by one VLAN rule. 1881 */ 1882 cur_fltr = &v_list_itr->fltr_info; 1883 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr, 1884 new_fltr); 1885 } else { 1886 /* If VLAN rule exists and VSI list being used by this rule is 1887 * referenced by more than 1 VLAN rule. Then create a new VSI 1888 * list appending previous VSI with new VSI and update existing 1889 * VLAN rule to point to new VSI list id 1890 */ 1891 struct ice_fltr_info tmp_fltr; 1892 u16 vsi_handle_arr[2]; 1893 u16 cur_handle; 1894 1895 /* Current implementation only supports reusing VSI list with 1896 * one VSI count. We should never hit below condition 1897 */ 1898 if (v_list_itr->vsi_count > 1 && 1899 v_list_itr->vsi_list_info->ref_cnt > 1) { 1900 ice_debug(hw, ICE_DBG_SW, 1901 "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n"); 1902 status = ICE_ERR_CFG; 1903 goto exit; 1904 } 1905 1906 cur_handle = 1907 ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map, 1908 ICE_MAX_VSI); 1909 1910 /* A rule already exists with the new VSI being added */ 1911 if (cur_handle == vsi_handle) { 1912 status = ICE_ERR_ALREADY_EXISTS; 1913 goto exit; 1914 } 1915 1916 vsi_handle_arr[0] = cur_handle; 1917 vsi_handle_arr[1] = vsi_handle; 1918 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2, 1919 &vsi_list_id, lkup_type); 1920 if (status) 1921 goto exit; 1922 1923 tmp_fltr = v_list_itr->fltr_info; 1924 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id; 1925 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id; 1926 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST; 1927 /* Update the previous switch rule to a new VSI list which 1928 * includes current VSI that is requested 1929 */ 1930 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr); 1931 if (status) 1932 goto exit; 1933 1934 /* before overriding VSI list map info. decrement ref_cnt of 1935 * previous VSI list 1936 */ 1937 v_list_itr->vsi_list_info->ref_cnt--; 1938 1939 /* now update to newly created list */ 1940 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id; 1941 v_list_itr->vsi_list_info = 1942 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2, 1943 vsi_list_id); 1944 v_list_itr->vsi_count++; 1945 } 1946 1947 exit: 1948 ice_release_lock(rule_lock); 1949 return status; 1950 } 1951 1952 /** 1953 * ice_add_vlan - Add VLAN based filter rule 1954 * @hw: pointer to the hardware structure 1955 * @v_list: list of VLAN entries and forwarding information 1956 */ 1957 enum ice_status 1958 ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list) 1959 { 1960 struct ice_fltr_list_entry *v_list_itr; 1961 1962 if (!v_list || !hw) 1963 return ICE_ERR_PARAM; 1964 1965 LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry, 1966 list_entry) { 1967 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN) 1968 return ICE_ERR_PARAM; 1969 v_list_itr->fltr_info.flag = ICE_FLTR_TX; 1970 v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr); 1971 if (v_list_itr->status) 1972 return v_list_itr->status; 1973 } 1974 return ICE_SUCCESS; 1975 } 1976 1977 #ifndef NO_MACVLAN_SUPPORT 1978 /** 1979 * ice_add_mac_vlan - Add MAC and VLAN pair based filter rule 1980 * @hw: pointer to the hardware structure 1981 * @mv_list: list of MAC and VLAN filters 1982 * 1983 * If the VSI on which the mac-vlan pair has to be added has RX and Tx VLAN 1984 * pruning bits enabled, then it is the responsibility of the caller to make 1985 * sure to add a vlan only filter on the same VSI. Packets belonging to that 1986 * VLAN won't be received on that VSI otherwise. 1987 */ 1988 enum ice_status 1989 ice_add_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *mv_list) 1990 { 1991 struct ice_fltr_list_entry *mv_list_itr; 1992 1993 if (!mv_list || !hw) 1994 return ICE_ERR_PARAM; 1995 1996 LIST_FOR_EACH_ENTRY(mv_list_itr, mv_list, ice_fltr_list_entry, 1997 list_entry) { 1998 enum ice_sw_lkup_type l_type = 1999 mv_list_itr->fltr_info.lkup_type; 2000 2001 if (l_type != ICE_SW_LKUP_MAC_VLAN) 2002 return ICE_ERR_PARAM; 2003 mv_list_itr->fltr_info.flag = ICE_FLTR_TX; 2004 mv_list_itr->status = 2005 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN, 2006 mv_list_itr); 2007 if (mv_list_itr->status) 2008 return mv_list_itr->status; 2009 } 2010 return ICE_SUCCESS; 2011 } 2012 #endif 2013 2014 2015 2016 /** 2017 * ice_rem_sw_rule_info 2018 * @hw: pointer to the hardware structure 2019 * @rule_head: pointer to the switch list structure that we want to delete 2020 */ 2021 static void 2022 ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head) 2023 { 2024 if (!LIST_EMPTY(rule_head)) { 2025 struct ice_fltr_mgmt_list_entry *entry; 2026 struct ice_fltr_mgmt_list_entry *tmp; 2027 2028 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head, 2029 ice_fltr_mgmt_list_entry, list_entry) { 2030 LIST_DEL(&entry->list_entry); 2031 ice_free(hw, entry); 2032 } 2033 } 2034 } 2035 2036 2037 2038 /** 2039 * ice_cfg_dflt_vsi - change state of VSI to set/clear default 2040 * @pi: pointer to the port_info structure 2041 * @vsi_handle: VSI handle to set as default 2042 * @set: true to add the above mentioned switch rule, false to remove it 2043 * @direction: ICE_FLTR_RX or ICE_FLTR_TX 2044 * 2045 * add filter rule to set/unset given VSI as default VSI for the switch 2046 * (represented by swid) 2047 */ 2048 enum ice_status 2049 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set, 2050 u8 direction) 2051 { 2052 struct ice_aqc_sw_rules_elem *s_rule; 2053 struct ice_fltr_info f_info; 2054 struct ice_hw *hw = pi->hw; 2055 enum ice_adminq_opc opcode; 2056 enum ice_status status; 2057 u16 s_rule_size; 2058 u16 hw_vsi_id; 2059 2060 if (!ice_is_vsi_valid(hw, vsi_handle)) 2061 return ICE_ERR_PARAM; 2062 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2063 2064 s_rule_size = set ? ICE_SW_RULE_RX_TX_ETH_HDR_SIZE : 2065 ICE_SW_RULE_RX_TX_NO_HDR_SIZE; 2066 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size); 2067 if (!s_rule) 2068 return ICE_ERR_NO_MEMORY; 2069 2070 ice_memset(&f_info, 0, sizeof(f_info), ICE_NONDMA_MEM); 2071 2072 f_info.lkup_type = ICE_SW_LKUP_DFLT; 2073 f_info.flag = direction; 2074 f_info.fltr_act = ICE_FWD_TO_VSI; 2075 f_info.fwd_id.hw_vsi_id = hw_vsi_id; 2076 2077 if (f_info.flag & ICE_FLTR_RX) { 2078 f_info.src = pi->lport; 2079 f_info.src_id = ICE_SRC_ID_LPORT; 2080 if (!set) 2081 f_info.fltr_rule_id = 2082 pi->dflt_rx_vsi_rule_id; 2083 } else if (f_info.flag & ICE_FLTR_TX) { 2084 f_info.src_id = ICE_SRC_ID_VSI; 2085 f_info.src = hw_vsi_id; 2086 if (!set) 2087 f_info.fltr_rule_id = 2088 pi->dflt_tx_vsi_rule_id; 2089 } 2090 2091 if (set) 2092 opcode = ice_aqc_opc_add_sw_rules; 2093 else 2094 opcode = ice_aqc_opc_remove_sw_rules; 2095 2096 ice_fill_sw_rule(hw, &f_info, s_rule, opcode); 2097 2098 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opcode, NULL); 2099 if (status || !(f_info.flag & ICE_FLTR_TX_RX)) 2100 goto out; 2101 if (set) { 2102 u16 index = LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index); 2103 2104 if (f_info.flag & ICE_FLTR_TX) { 2105 pi->dflt_tx_vsi_num = hw_vsi_id; 2106 pi->dflt_tx_vsi_rule_id = index; 2107 } else if (f_info.flag & ICE_FLTR_RX) { 2108 pi->dflt_rx_vsi_num = hw_vsi_id; 2109 pi->dflt_rx_vsi_rule_id = index; 2110 } 2111 } else { 2112 if (f_info.flag & ICE_FLTR_TX) { 2113 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL; 2114 pi->dflt_tx_vsi_rule_id = ICE_INVAL_ACT; 2115 } else if (f_info.flag & ICE_FLTR_RX) { 2116 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL; 2117 pi->dflt_rx_vsi_rule_id = ICE_INVAL_ACT; 2118 } 2119 } 2120 2121 out: 2122 ice_free(hw, s_rule); 2123 return status; 2124 } 2125 2126 /** 2127 * ice_remove_mac - remove a MAC address based filter rule 2128 * @hw: pointer to the hardware structure 2129 * @m_list: list of MAC addresses and forwarding information 2130 * 2131 * This function removes either a MAC filter rule or a specific VSI from a 2132 * VSI list for a multicast MAC address. 2133 * 2134 * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by 2135 * ice_add_mac. Caller should be aware that this call will only work if all 2136 * the entries passed into m_list were added previously. It will not attempt to 2137 * do a partial remove of entries that were found. 2138 */ 2139 enum ice_status 2140 ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list) 2141 { 2142 struct ice_fltr_list_entry *list_itr, *tmp; 2143 2144 if (!m_list) 2145 return ICE_ERR_PARAM; 2146 2147 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry, 2148 list_entry) { 2149 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type; 2150 2151 if (l_type != ICE_SW_LKUP_MAC) 2152 return ICE_ERR_PARAM; 2153 list_itr->status = ice_remove_rule_internal(hw, 2154 ICE_SW_LKUP_MAC, 2155 list_itr); 2156 if (list_itr->status) 2157 return list_itr->status; 2158 } 2159 return ICE_SUCCESS; 2160 } 2161 2162 /** 2163 * ice_remove_vlan - Remove VLAN based filter rule 2164 * @hw: pointer to the hardware structure 2165 * @v_list: list of VLAN entries and forwarding information 2166 */ 2167 enum ice_status 2168 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list) 2169 { 2170 struct ice_fltr_list_entry *v_list_itr, *tmp; 2171 2172 if (!v_list || !hw) 2173 return ICE_ERR_PARAM; 2174 2175 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry, 2176 list_entry) { 2177 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type; 2178 2179 if (l_type != ICE_SW_LKUP_VLAN) 2180 return ICE_ERR_PARAM; 2181 v_list_itr->status = ice_remove_rule_internal(hw, 2182 ICE_SW_LKUP_VLAN, 2183 v_list_itr); 2184 if (v_list_itr->status) 2185 return v_list_itr->status; 2186 } 2187 return ICE_SUCCESS; 2188 } 2189 2190 #ifndef NO_MACVLAN_SUPPORT 2191 /** 2192 * ice_remove_mac_vlan - Remove MAC VLAN based filter rule 2193 * @hw: pointer to the hardware structure 2194 * @v_list: list of MAC VLAN entries and forwarding information 2195 */ 2196 enum ice_status 2197 ice_remove_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list) 2198 { 2199 struct ice_fltr_list_entry *v_list_itr, *tmp; 2200 2201 if (!v_list || !hw) 2202 return ICE_ERR_PARAM; 2203 2204 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry, 2205 list_entry) { 2206 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type; 2207 2208 if (l_type != ICE_SW_LKUP_MAC_VLAN) 2209 return ICE_ERR_PARAM; 2210 v_list_itr->status = 2211 ice_remove_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN, 2212 v_list_itr); 2213 if (v_list_itr->status) 2214 return v_list_itr->status; 2215 } 2216 return ICE_SUCCESS; 2217 } 2218 #endif /* !NO_MACVLAN_SUPPORT */ 2219 2220 /** 2221 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter 2222 * @fm_entry: filter entry to inspect 2223 * @vsi_handle: VSI handle to compare with filter info 2224 */ 2225 static bool 2226 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle) 2227 { 2228 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI && 2229 fm_entry->fltr_info.vsi_handle == vsi_handle) || 2230 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST && 2231 (ice_is_bit_set(fm_entry->vsi_list_info->vsi_map, 2232 vsi_handle)))); 2233 } 2234 2235 /** 2236 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list 2237 * @hw: pointer to the hardware structure 2238 * @vsi_handle: VSI handle to remove filters from 2239 * @vsi_list_head: pointer to the list to add entry to 2240 * @fi: pointer to fltr_info of filter entry to copy & add 2241 * 2242 * Helper function, used when creating a list of filters to remove from 2243 * a specific VSI. The entry added to vsi_list_head is a COPY of the 2244 * original filter entry, with the exception of fltr_info.fltr_act and 2245 * fltr_info.fwd_id fields. These are set such that later logic can 2246 * extract which VSI to remove the fltr from, and pass on that information. 2247 */ 2248 static enum ice_status 2249 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, 2250 struct LIST_HEAD_TYPE *vsi_list_head, 2251 struct ice_fltr_info *fi) 2252 { 2253 struct ice_fltr_list_entry *tmp; 2254 2255 /* this memory is freed up in the caller function 2256 * once filters for this VSI are removed 2257 */ 2258 tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp)); 2259 if (!tmp) 2260 return ICE_ERR_NO_MEMORY; 2261 2262 tmp->fltr_info = *fi; 2263 2264 /* Overwrite these fields to indicate which VSI to remove filter from, 2265 * so find and remove logic can extract the information from the 2266 * list entries. Note that original entries will still have proper 2267 * values. 2268 */ 2269 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; 2270 tmp->fltr_info.vsi_handle = vsi_handle; 2271 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2272 2273 LIST_ADD(&tmp->list_entry, vsi_list_head); 2274 2275 return ICE_SUCCESS; 2276 } 2277 2278 /** 2279 * ice_add_to_vsi_fltr_list - Add VSI filters to the list 2280 * @hw: pointer to the hardware structure 2281 * @vsi_handle: VSI handle to remove filters from 2282 * @lkup_list_head: pointer to the list that has certain lookup type filters 2283 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle 2284 * 2285 * Locates all filters in lkup_list_head that are used by the given VSI, 2286 * and adds COPIES of those entries to vsi_list_head (intended to be used 2287 * to remove the listed filters). 2288 * Note that this means all entries in vsi_list_head must be explicitly 2289 * deallocated by the caller when done with list. 2290 */ 2291 static enum ice_status 2292 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle, 2293 struct LIST_HEAD_TYPE *lkup_list_head, 2294 struct LIST_HEAD_TYPE *vsi_list_head) 2295 { 2296 struct ice_fltr_mgmt_list_entry *fm_entry; 2297 enum ice_status status = ICE_SUCCESS; 2298 2299 /* check to make sure VSI id is valid and within boundary */ 2300 if (!ice_is_vsi_valid(hw, vsi_handle)) 2301 return ICE_ERR_PARAM; 2302 2303 LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head, 2304 ice_fltr_mgmt_list_entry, list_entry) { 2305 struct ice_fltr_info *fi; 2306 2307 fi = &fm_entry->fltr_info; 2308 if (!fi || !ice_vsi_uses_fltr(fm_entry, vsi_handle)) 2309 continue; 2310 2311 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, 2312 vsi_list_head, fi); 2313 if (status) 2314 return status; 2315 } 2316 return status; 2317 } 2318 2319 2320 /** 2321 * ice_determine_promisc_mask 2322 * @fi: filter info to parse 2323 * 2324 * Helper function to determine which ICE_PROMISC_ mask corresponds 2325 * to given filter into. 2326 */ 2327 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi) 2328 { 2329 u16 vid = fi->l_data.mac_vlan.vlan_id; 2330 u8 *macaddr = fi->l_data.mac.mac_addr; 2331 bool is_tx_fltr = false; 2332 u8 promisc_mask = 0; 2333 2334 if (fi->flag == ICE_FLTR_TX) 2335 is_tx_fltr = true; 2336 2337 if (IS_BROADCAST_ETHER_ADDR(macaddr)) 2338 promisc_mask |= is_tx_fltr ? 2339 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX; 2340 else if (IS_MULTICAST_ETHER_ADDR(macaddr)) 2341 promisc_mask |= is_tx_fltr ? 2342 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX; 2343 else if (IS_UNICAST_ETHER_ADDR(macaddr)) 2344 promisc_mask |= is_tx_fltr ? 2345 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX; 2346 if (vid) 2347 promisc_mask |= is_tx_fltr ? 2348 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX; 2349 2350 return promisc_mask; 2351 } 2352 2353 2354 /** 2355 * ice_remove_promisc - Remove promisc based filter rules 2356 * @hw: pointer to the hardware structure 2357 * @recp_id: recipe id for which the rule needs to removed 2358 * @v_list: list of promisc entries 2359 */ 2360 static enum ice_status 2361 ice_remove_promisc(struct ice_hw *hw, u8 recp_id, 2362 struct LIST_HEAD_TYPE *v_list) 2363 { 2364 struct ice_fltr_list_entry *v_list_itr, *tmp; 2365 2366 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry, 2367 list_entry) { 2368 v_list_itr->status = 2369 ice_remove_rule_internal(hw, recp_id, v_list_itr); 2370 if (v_list_itr->status) 2371 return v_list_itr->status; 2372 } 2373 return ICE_SUCCESS; 2374 } 2375 2376 /** 2377 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI 2378 * @hw: pointer to the hardware structure 2379 * @vsi_handle: VSI handle to clear mode 2380 * @promisc_mask: mask of promiscuous config bits to clear 2381 * @vid: VLAN ID to clear VLAN promiscuous 2382 */ 2383 enum ice_status 2384 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 2385 u16 vid) 2386 { 2387 struct ice_switch_info *sw = hw->switch_info; 2388 struct ice_fltr_list_entry *fm_entry, *tmp; 2389 struct LIST_HEAD_TYPE remove_list_head; 2390 struct ice_fltr_mgmt_list_entry *itr; 2391 struct LIST_HEAD_TYPE *rule_head; 2392 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2393 enum ice_status status = ICE_SUCCESS; 2394 u8 recipe_id; 2395 2396 if (!ice_is_vsi_valid(hw, vsi_handle)) 2397 return ICE_ERR_PARAM; 2398 2399 if (vid) 2400 recipe_id = ICE_SW_LKUP_PROMISC_VLAN; 2401 else 2402 recipe_id = ICE_SW_LKUP_PROMISC; 2403 2404 rule_head = &sw->recp_list[recipe_id].filt_rules; 2405 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock; 2406 2407 INIT_LIST_HEAD(&remove_list_head); 2408 2409 ice_acquire_lock(rule_lock); 2410 LIST_FOR_EACH_ENTRY(itr, rule_head, 2411 ice_fltr_mgmt_list_entry, list_entry) { 2412 u8 fltr_promisc_mask = 0; 2413 2414 if (!ice_vsi_uses_fltr(itr, vsi_handle)) 2415 continue; 2416 2417 fltr_promisc_mask |= 2418 ice_determine_promisc_mask(&itr->fltr_info); 2419 2420 /* Skip if filter is not completely specified by given mask */ 2421 if (fltr_promisc_mask & ~promisc_mask) 2422 continue; 2423 2424 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle, 2425 &remove_list_head, 2426 &itr->fltr_info); 2427 if (status) { 2428 ice_release_lock(rule_lock); 2429 goto free_fltr_list; 2430 } 2431 } 2432 ice_release_lock(rule_lock); 2433 2434 status = ice_remove_promisc(hw, recipe_id, &remove_list_head); 2435 2436 free_fltr_list: 2437 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head, 2438 ice_fltr_list_entry, list_entry) { 2439 LIST_DEL(&fm_entry->list_entry); 2440 ice_free(hw, fm_entry); 2441 } 2442 2443 return status; 2444 } 2445 2446 /** 2447 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s) 2448 * @hw: pointer to the hardware structure 2449 * @vsi_handle: VSI handle to configure 2450 * @promisc_mask: mask of promiscuous config bits 2451 * @vid: VLAN ID to set VLAN promiscuous 2452 */ 2453 enum ice_status 2454 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid) 2455 { 2456 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR }; 2457 struct ice_fltr_list_entry f_list_entry; 2458 struct ice_fltr_info new_fltr; 2459 enum ice_status status = ICE_SUCCESS; 2460 bool is_tx_fltr; 2461 u16 hw_vsi_id; 2462 int pkt_type; 2463 u8 recipe_id; 2464 2465 ice_debug(hw, ICE_DBG_TRACE, "ice_set_vsi_promisc\n"); 2466 2467 if (!ice_is_vsi_valid(hw, vsi_handle)) 2468 return ICE_ERR_PARAM; 2469 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2470 2471 ice_memset(&new_fltr, 0, sizeof(new_fltr), ICE_NONDMA_MEM); 2472 2473 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) { 2474 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN; 2475 new_fltr.l_data.mac_vlan.vlan_id = vid; 2476 recipe_id = ICE_SW_LKUP_PROMISC_VLAN; 2477 } else { 2478 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC; 2479 recipe_id = ICE_SW_LKUP_PROMISC; 2480 } 2481 2482 /* Separate filters must be set for each direction/packet type 2483 * combination, so we will loop over the mask value, store the 2484 * individual type, and clear it out in the input mask as it 2485 * is found. 2486 */ 2487 while (promisc_mask) { 2488 u8 *mac_addr; 2489 2490 pkt_type = 0; 2491 is_tx_fltr = false; 2492 2493 if (promisc_mask & ICE_PROMISC_UCAST_RX) { 2494 promisc_mask &= ~ICE_PROMISC_UCAST_RX; 2495 pkt_type = UCAST_FLTR; 2496 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) { 2497 promisc_mask &= ~ICE_PROMISC_UCAST_TX; 2498 pkt_type = UCAST_FLTR; 2499 is_tx_fltr = true; 2500 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) { 2501 promisc_mask &= ~ICE_PROMISC_MCAST_RX; 2502 pkt_type = MCAST_FLTR; 2503 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) { 2504 promisc_mask &= ~ICE_PROMISC_MCAST_TX; 2505 pkt_type = MCAST_FLTR; 2506 is_tx_fltr = true; 2507 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) { 2508 promisc_mask &= ~ICE_PROMISC_BCAST_RX; 2509 pkt_type = BCAST_FLTR; 2510 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) { 2511 promisc_mask &= ~ICE_PROMISC_BCAST_TX; 2512 pkt_type = BCAST_FLTR; 2513 is_tx_fltr = true; 2514 } 2515 2516 /* Check for VLAN promiscuous flag */ 2517 if (promisc_mask & ICE_PROMISC_VLAN_RX) { 2518 promisc_mask &= ~ICE_PROMISC_VLAN_RX; 2519 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) { 2520 promisc_mask &= ~ICE_PROMISC_VLAN_TX; 2521 is_tx_fltr = true; 2522 } 2523 2524 /* Set filter DA based on packet type */ 2525 mac_addr = new_fltr.l_data.mac.mac_addr; 2526 if (pkt_type == BCAST_FLTR) { 2527 ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM); 2528 } else if (pkt_type == MCAST_FLTR || 2529 pkt_type == UCAST_FLTR) { 2530 /* Use the dummy ether header DA */ 2531 ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN, 2532 ICE_NONDMA_TO_NONDMA); 2533 if (pkt_type == MCAST_FLTR) 2534 mac_addr[0] |= 0x1; /* Set multicast bit */ 2535 } 2536 2537 /* Need to reset this to zero for all iterations */ 2538 new_fltr.flag = 0; 2539 if (is_tx_fltr) { 2540 new_fltr.flag |= ICE_FLTR_TX; 2541 new_fltr.src = hw_vsi_id; 2542 } else { 2543 new_fltr.flag |= ICE_FLTR_RX; 2544 new_fltr.src = hw->port_info->lport; 2545 } 2546 2547 new_fltr.fltr_act = ICE_FWD_TO_VSI; 2548 new_fltr.vsi_handle = vsi_handle; 2549 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id; 2550 f_list_entry.fltr_info = new_fltr; 2551 2552 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry); 2553 if (status != ICE_SUCCESS) 2554 goto set_promisc_exit; 2555 } 2556 2557 set_promisc_exit: 2558 return status; 2559 } 2560 2561 /** 2562 * ice_set_vlan_vsi_promisc 2563 * @hw: pointer to the hardware structure 2564 * @vsi_handle: VSI handle to configure 2565 * @promisc_mask: mask of promiscuous config bits 2566 * @rm_vlan_promisc: Clear VLANs VSI promisc mode 2567 * 2568 * Configure VSI with all associated VLANs to given promiscuous mode(s) 2569 */ 2570 enum ice_status 2571 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, 2572 bool rm_vlan_promisc) 2573 { 2574 struct ice_switch_info *sw = hw->switch_info; 2575 struct ice_fltr_list_entry *list_itr, *tmp; 2576 struct LIST_HEAD_TYPE vsi_list_head; 2577 struct LIST_HEAD_TYPE *vlan_head; 2578 struct ice_lock *vlan_lock; /* Lock to protect filter rule list */ 2579 enum ice_status status; 2580 u16 vlan_id; 2581 2582 INIT_LIST_HEAD(&vsi_list_head); 2583 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock; 2584 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules; 2585 ice_acquire_lock(vlan_lock); 2586 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head, 2587 &vsi_list_head); 2588 ice_release_lock(vlan_lock); 2589 if (status) 2590 goto free_fltr_list; 2591 2592 LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry, 2593 list_entry) { 2594 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id; 2595 if (rm_vlan_promisc) 2596 status = ice_clear_vsi_promisc(hw, vsi_handle, 2597 promisc_mask, vlan_id); 2598 else 2599 status = ice_set_vsi_promisc(hw, vsi_handle, 2600 promisc_mask, vlan_id); 2601 if (status) 2602 break; 2603 } 2604 2605 free_fltr_list: 2606 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head, 2607 ice_fltr_list_entry, list_entry) { 2608 LIST_DEL(&list_itr->list_entry); 2609 ice_free(hw, list_itr); 2610 } 2611 return status; 2612 } 2613 2614 /** 2615 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI 2616 * @hw: pointer to the hardware structure 2617 * @vsi_handle: VSI handle to remove filters from 2618 * @lkup: switch rule filter lookup type 2619 */ 2620 static void 2621 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle, 2622 enum ice_sw_lkup_type lkup) 2623 { 2624 struct ice_switch_info *sw = hw->switch_info; 2625 struct ice_fltr_list_entry *fm_entry; 2626 struct LIST_HEAD_TYPE remove_list_head; 2627 struct LIST_HEAD_TYPE *rule_head; 2628 struct ice_fltr_list_entry *tmp; 2629 struct ice_lock *rule_lock; /* Lock to protect filter rule list */ 2630 enum ice_status status; 2631 2632 INIT_LIST_HEAD(&remove_list_head); 2633 rule_lock = &sw->recp_list[lkup].filt_rule_lock; 2634 rule_head = &sw->recp_list[lkup].filt_rules; 2635 ice_acquire_lock(rule_lock); 2636 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head, 2637 &remove_list_head); 2638 ice_release_lock(rule_lock); 2639 if (status) 2640 return; 2641 2642 switch (lkup) { 2643 case ICE_SW_LKUP_MAC: 2644 ice_remove_mac(hw, &remove_list_head); 2645 break; 2646 case ICE_SW_LKUP_VLAN: 2647 ice_remove_vlan(hw, &remove_list_head); 2648 break; 2649 case ICE_SW_LKUP_PROMISC: 2650 case ICE_SW_LKUP_PROMISC_VLAN: 2651 ice_remove_promisc(hw, lkup, &remove_list_head); 2652 break; 2653 case ICE_SW_LKUP_MAC_VLAN: 2654 #ifndef NO_MACVLAN_SUPPORT 2655 ice_remove_mac_vlan(hw, &remove_list_head); 2656 #else 2657 ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n"); 2658 #endif /* !NO_MACVLAN_SUPPORT */ 2659 break; 2660 case ICE_SW_LKUP_ETHERTYPE: 2661 case ICE_SW_LKUP_ETHERTYPE_MAC: 2662 case ICE_SW_LKUP_DFLT: 2663 ice_debug(hw, ICE_DBG_SW, 2664 "Remove filters for this lookup type hasn't been implemented yet\n"); 2665 break; 2666 case ICE_SW_LKUP_LAST: 2667 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n"); 2668 break; 2669 } 2670 2671 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head, 2672 ice_fltr_list_entry, list_entry) { 2673 LIST_DEL(&fm_entry->list_entry); 2674 ice_free(hw, fm_entry); 2675 } 2676 } 2677 2678 /** 2679 * ice_remove_vsi_fltr - Remove all filters for a VSI 2680 * @hw: pointer to the hardware structure 2681 * @vsi_handle: VSI handle to remove filters from 2682 */ 2683 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle) 2684 { 2685 ice_debug(hw, ICE_DBG_TRACE, "ice_remove_vsi_fltr\n"); 2686 2687 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC); 2688 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN); 2689 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC); 2690 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN); 2691 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT); 2692 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE); 2693 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC); 2694 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN); 2695 } 2696 2697 2698 2699 2700 2701 /** 2702 * ice_replay_vsi_fltr - Replay filters for requested VSI 2703 * @hw: pointer to the hardware structure 2704 * @vsi_handle: driver vsi handle 2705 * @recp_id: Recipe id for which rules need to be replayed 2706 * @list_head: list for which filters need to be replayed 2707 * 2708 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle. 2709 * It is required to pass valid VSI handle. 2710 */ 2711 static enum ice_status 2712 ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id, 2713 struct LIST_HEAD_TYPE *list_head) 2714 { 2715 struct ice_fltr_mgmt_list_entry *itr; 2716 enum ice_status status = ICE_SUCCESS; 2717 u16 hw_vsi_id; 2718 2719 if (LIST_EMPTY(list_head)) 2720 return status; 2721 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle); 2722 2723 LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry, 2724 list_entry) { 2725 struct ice_fltr_list_entry f_entry; 2726 2727 f_entry.fltr_info = itr->fltr_info; 2728 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN && 2729 itr->fltr_info.vsi_handle == vsi_handle) { 2730 /* update the src in case it is vsi num */ 2731 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) 2732 f_entry.fltr_info.src = hw_vsi_id; 2733 status = ice_add_rule_internal(hw, recp_id, &f_entry); 2734 if (status != ICE_SUCCESS) 2735 goto end; 2736 continue; 2737 } 2738 if (!itr->vsi_list_info || 2739 !ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle)) 2740 continue; 2741 /* Clearing it so that the logic can add it back */ 2742 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map); 2743 f_entry.fltr_info.vsi_handle = vsi_handle; 2744 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI; 2745 /* update the src in case it is vsi num */ 2746 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI) 2747 f_entry.fltr_info.src = hw_vsi_id; 2748 if (recp_id == ICE_SW_LKUP_VLAN) 2749 status = ice_add_vlan_internal(hw, &f_entry); 2750 else 2751 status = ice_add_rule_internal(hw, recp_id, &f_entry); 2752 if (status != ICE_SUCCESS) 2753 goto end; 2754 } 2755 end: 2756 return status; 2757 } 2758 2759 2760 /** 2761 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists 2762 * @hw: pointer to the hardware structure 2763 * @vsi_handle: driver vsi handle 2764 * 2765 * Replays filters for requested VSI via vsi_handle. 2766 */ 2767 enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle) 2768 { 2769 struct ice_switch_info *sw = hw->switch_info; 2770 enum ice_status status = ICE_SUCCESS; 2771 u8 i; 2772 2773 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 2774 /* Update the default recipe lines and ones that were created */ 2775 if (i < ICE_MAX_NUM_RECIPES || sw->recp_list[i].recp_created) { 2776 struct LIST_HEAD_TYPE *head; 2777 2778 head = &sw->recp_list[i].filt_replay_rules; 2779 if (!sw->recp_list[i].adv_rule) 2780 status = ice_replay_vsi_fltr(hw, vsi_handle, i, 2781 head); 2782 if (status != ICE_SUCCESS) 2783 return status; 2784 } 2785 } 2786 return status; 2787 } 2788 2789 /** 2790 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules 2791 * @hw: pointer to the hw struct 2792 * 2793 * Deletes the filter replay rules. 2794 */ 2795 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw) 2796 { 2797 struct ice_switch_info *sw = hw->switch_info; 2798 u8 i; 2799 2800 if (!sw) 2801 return; 2802 2803 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) { 2804 if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) { 2805 struct LIST_HEAD_TYPE *l_head; 2806 2807 l_head = &sw->recp_list[i].filt_replay_rules; 2808 if (!sw->recp_list[i].adv_rule) 2809 ice_rem_sw_rule_info(hw, l_head); 2810 } 2811 } 2812 } 2813