1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2021 Intel Corporation 3 */ 4 5 #include "ice_common.h" 6 #include "ice_flex_pipe.h" 7 #include "ice_protocol_type.h" 8 #include "ice_flow.h" 9 10 /* For supporting double VLAN mode, it is necessary to enable or disable certain 11 * boost tcam entries. The metadata labels names that match the following 12 * prefixes will be saved to allow enabling double VLAN mode. 13 */ 14 #define ICE_DVM_PRE "BOOST_MAC_VLAN_DVM" /* enable these entries */ 15 #define ICE_SVM_PRE "BOOST_MAC_VLAN_SVM" /* disable these entries */ 16 17 /* To support tunneling entries by PF, the package will append the PF number to 18 * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc. 19 */ 20 #define ICE_TNL_PRE "TNL_" 21 static const struct ice_tunnel_type_scan tnls[] = { 22 { TNL_VXLAN, "TNL_VXLAN_PF" }, 23 { TNL_GENEVE, "TNL_GENEVE_PF" }, 24 { TNL_ECPRI, "TNL_UDP_ECPRI_PF" }, 25 { TNL_LAST, "" } 26 }; 27 28 static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = { 29 /* SWITCH */ 30 { 31 ICE_SID_XLT0_SW, 32 ICE_SID_XLT_KEY_BUILDER_SW, 33 ICE_SID_XLT1_SW, 34 ICE_SID_XLT2_SW, 35 ICE_SID_PROFID_TCAM_SW, 36 ICE_SID_PROFID_REDIR_SW, 37 ICE_SID_FLD_VEC_SW, 38 ICE_SID_CDID_KEY_BUILDER_SW, 39 ICE_SID_CDID_REDIR_SW 40 }, 41 42 /* ACL */ 43 { 44 ICE_SID_XLT0_ACL, 45 ICE_SID_XLT_KEY_BUILDER_ACL, 46 ICE_SID_XLT1_ACL, 47 ICE_SID_XLT2_ACL, 48 ICE_SID_PROFID_TCAM_ACL, 49 ICE_SID_PROFID_REDIR_ACL, 50 ICE_SID_FLD_VEC_ACL, 51 ICE_SID_CDID_KEY_BUILDER_ACL, 52 ICE_SID_CDID_REDIR_ACL 53 }, 54 55 /* FD */ 56 { 57 ICE_SID_XLT0_FD, 58 ICE_SID_XLT_KEY_BUILDER_FD, 59 ICE_SID_XLT1_FD, 60 ICE_SID_XLT2_FD, 61 ICE_SID_PROFID_TCAM_FD, 62 ICE_SID_PROFID_REDIR_FD, 63 ICE_SID_FLD_VEC_FD, 64 ICE_SID_CDID_KEY_BUILDER_FD, 65 ICE_SID_CDID_REDIR_FD 66 }, 67 68 /* RSS */ 69 { 70 ICE_SID_XLT0_RSS, 71 ICE_SID_XLT_KEY_BUILDER_RSS, 72 ICE_SID_XLT1_RSS, 73 ICE_SID_XLT2_RSS, 74 ICE_SID_PROFID_TCAM_RSS, 75 ICE_SID_PROFID_REDIR_RSS, 76 ICE_SID_FLD_VEC_RSS, 77 ICE_SID_CDID_KEY_BUILDER_RSS, 78 ICE_SID_CDID_REDIR_RSS 79 }, 80 81 /* PE */ 82 { 83 ICE_SID_XLT0_PE, 84 ICE_SID_XLT_KEY_BUILDER_PE, 85 ICE_SID_XLT1_PE, 86 ICE_SID_XLT2_PE, 87 ICE_SID_PROFID_TCAM_PE, 88 ICE_SID_PROFID_REDIR_PE, 89 ICE_SID_FLD_VEC_PE, 90 ICE_SID_CDID_KEY_BUILDER_PE, 91 ICE_SID_CDID_REDIR_PE 92 } 93 }; 94 95 /** 96 * ice_sect_id - returns section ID 97 * @blk: block type 98 * @sect: section type 99 * 100 * This helper function returns the proper section ID given a block type and a 101 * section type. 102 */ 103 static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect) 104 { 105 return ice_sect_lkup[blk][sect]; 106 } 107 108 /** 109 * ice_pkg_val_buf 110 * @buf: pointer to the ice buffer 111 * 112 * This helper function validates a buffer's header. 113 */ 114 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf) 115 { 116 struct ice_buf_hdr *hdr; 117 u16 section_count; 118 u16 data_end; 119 120 hdr = (struct ice_buf_hdr *)buf->buf; 121 /* verify data */ 122 section_count = LE16_TO_CPU(hdr->section_count); 123 if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT) 124 return NULL; 125 126 data_end = LE16_TO_CPU(hdr->data_end); 127 if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END) 128 return NULL; 129 130 return hdr; 131 } 132 133 /** 134 * ice_find_buf_table 135 * @ice_seg: pointer to the ice segment 136 * 137 * Returns the address of the buffer table within the ice segment. 138 */ 139 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg) 140 { 141 struct ice_nvm_table *nvms; 142 143 nvms = (struct ice_nvm_table *) 144 (ice_seg->device_table + 145 LE32_TO_CPU(ice_seg->device_table_count)); 146 147 return (_FORCE_ struct ice_buf_table *) 148 (nvms->vers + LE32_TO_CPU(nvms->table_count)); 149 } 150 151 /** 152 * ice_pkg_enum_buf 153 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 154 * @state: pointer to the enum state 155 * 156 * This function will enumerate all the buffers in the ice segment. The first 157 * call is made with the ice_seg parameter non-NULL; on subsequent calls, 158 * ice_seg is set to NULL which continues the enumeration. When the function 159 * returns a NULL pointer, then the end of the buffers has been reached, or an 160 * unexpected value has been detected (for example an invalid section count or 161 * an invalid buffer end value). 162 */ 163 static struct ice_buf_hdr * 164 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state) 165 { 166 if (ice_seg) { 167 state->buf_table = ice_find_buf_table(ice_seg); 168 if (!state->buf_table) 169 return NULL; 170 171 state->buf_idx = 0; 172 return ice_pkg_val_buf(state->buf_table->buf_array); 173 } 174 175 if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count)) 176 return ice_pkg_val_buf(state->buf_table->buf_array + 177 state->buf_idx); 178 else 179 return NULL; 180 } 181 182 /** 183 * ice_pkg_advance_sect 184 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 185 * @state: pointer to the enum state 186 * 187 * This helper function will advance the section within the ice segment, 188 * also advancing the buffer if needed. 189 */ 190 static bool 191 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state) 192 { 193 if (!ice_seg && !state->buf) 194 return false; 195 196 if (!ice_seg && state->buf) 197 if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count)) 198 return true; 199 200 state->buf = ice_pkg_enum_buf(ice_seg, state); 201 if (!state->buf) 202 return false; 203 204 /* start of new buffer, reset section index */ 205 state->sect_idx = 0; 206 return true; 207 } 208 209 /** 210 * ice_pkg_enum_section 211 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 212 * @state: pointer to the enum state 213 * @sect_type: section type to enumerate 214 * 215 * This function will enumerate all the sections of a particular type in the 216 * ice segment. The first call is made with the ice_seg parameter non-NULL; 217 * on subsequent calls, ice_seg is set to NULL which continues the enumeration. 218 * When the function returns a NULL pointer, then the end of the matching 219 * sections has been reached. 220 */ 221 static void * 222 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state, 223 u32 sect_type) 224 { 225 u16 offset, size; 226 227 if (ice_seg) 228 state->type = sect_type; 229 230 if (!ice_pkg_advance_sect(ice_seg, state)) 231 return NULL; 232 233 /* scan for next matching section */ 234 while (state->buf->section_entry[state->sect_idx].type != 235 CPU_TO_LE32(state->type)) 236 if (!ice_pkg_advance_sect(NULL, state)) 237 return NULL; 238 239 /* validate section */ 240 offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset); 241 if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF) 242 return NULL; 243 244 size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size); 245 if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ) 246 return NULL; 247 248 /* make sure the section fits in the buffer */ 249 if (offset + size > ICE_PKG_BUF_SIZE) 250 return NULL; 251 252 state->sect_type = 253 LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type); 254 255 /* calc pointer to this section */ 256 state->sect = ((u8 *)state->buf) + 257 LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset); 258 259 return state->sect; 260 } 261 262 /** 263 * ice_pkg_enum_entry 264 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 265 * @state: pointer to the enum state 266 * @sect_type: section type to enumerate 267 * @offset: pointer to variable that receives the offset in the table (optional) 268 * @handler: function that handles access to the entries into the section type 269 * 270 * This function will enumerate all the entries in particular section type in 271 * the ice segment. The first call is made with the ice_seg parameter non-NULL; 272 * on subsequent calls, ice_seg is set to NULL which continues the enumeration. 273 * When the function returns a NULL pointer, then the end of the entries has 274 * been reached. 275 * 276 * Since each section may have a different header and entry size, the handler 277 * function is needed to determine the number and location entries in each 278 * section. 279 * 280 * The offset parameter is optional, but should be used for sections that 281 * contain an offset for each section table. For such cases, the section handler 282 * function must return the appropriate offset + index to give the absolution 283 * offset for each entry. For example, if the base for a section's header 284 * indicates a base offset of 10, and the index for the entry is 2, then 285 * section handler function should set the offset to 10 + 2 = 12. 286 */ 287 static void * 288 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state, 289 u32 sect_type, u32 *offset, 290 void *(*handler)(u32 sect_type, void *section, 291 u32 index, u32 *offset)) 292 { 293 void *entry; 294 295 if (ice_seg) { 296 if (!handler) 297 return NULL; 298 299 if (!ice_pkg_enum_section(ice_seg, state, sect_type)) 300 return NULL; 301 302 state->entry_idx = 0; 303 state->handler = handler; 304 } else { 305 state->entry_idx++; 306 } 307 308 if (!state->handler) 309 return NULL; 310 311 /* get entry */ 312 entry = state->handler(state->sect_type, state->sect, state->entry_idx, 313 offset); 314 if (!entry) { 315 /* end of a section, look for another section of this type */ 316 if (!ice_pkg_enum_section(NULL, state, 0)) 317 return NULL; 318 319 state->entry_idx = 0; 320 entry = state->handler(state->sect_type, state->sect, 321 state->entry_idx, offset); 322 } 323 324 return entry; 325 } 326 327 /** 328 * ice_hw_ptype_ena - check if the PTYPE is enabled or not 329 * @hw: pointer to the HW structure 330 * @ptype: the hardware PTYPE 331 */ 332 bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype) 333 { 334 return ptype < ICE_FLOW_PTYPE_MAX && 335 ice_is_bit_set(hw->hw_ptype, ptype); 336 } 337 338 /** 339 * ice_marker_ptype_tcam_handler 340 * @sect_type: section type 341 * @section: pointer to section 342 * @index: index of the Marker PType TCAM entry to be returned 343 * @offset: pointer to receive absolute offset, always 0 for ptype TCAM sections 344 * 345 * This is a callback function that can be passed to ice_pkg_enum_entry. 346 * Handles enumeration of individual Marker PType TCAM entries. 347 */ 348 static void * 349 ice_marker_ptype_tcam_handler(u32 sect_type, void *section, u32 index, 350 u32 *offset) 351 { 352 struct ice_marker_ptype_tcam_section *marker_ptype; 353 354 if (!section) 355 return NULL; 356 357 if (sect_type != ICE_SID_RXPARSER_MARKER_PTYPE) 358 return NULL; 359 360 if (index > ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF) 361 return NULL; 362 363 if (offset) 364 *offset = 0; 365 366 marker_ptype = (struct ice_marker_ptype_tcam_section *)section; 367 if (index >= LE16_TO_CPU(marker_ptype->count)) 368 return NULL; 369 370 return marker_ptype->tcam + index; 371 } 372 373 /** 374 * ice_fill_hw_ptype - fill the enabled PTYPE bit information 375 * @hw: pointer to the HW structure 376 */ 377 static void 378 ice_fill_hw_ptype(struct ice_hw *hw) 379 { 380 struct ice_marker_ptype_tcam_entry *tcam; 381 struct ice_seg *seg = hw->seg; 382 struct ice_pkg_enum state; 383 384 ice_zero_bitmap(hw->hw_ptype, ICE_FLOW_PTYPE_MAX); 385 if (!seg) 386 return; 387 388 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 389 390 do { 391 tcam = (struct ice_marker_ptype_tcam_entry *) 392 ice_pkg_enum_entry(seg, &state, 393 ICE_SID_RXPARSER_MARKER_PTYPE, NULL, 394 ice_marker_ptype_tcam_handler); 395 if (tcam && 396 LE16_TO_CPU(tcam->addr) < ICE_MARKER_PTYPE_TCAM_ADDR_MAX && 397 LE16_TO_CPU(tcam->ptype) < ICE_FLOW_PTYPE_MAX) 398 ice_set_bit(LE16_TO_CPU(tcam->ptype), hw->hw_ptype); 399 400 seg = NULL; 401 } while (tcam); 402 } 403 404 /** 405 * ice_boost_tcam_handler 406 * @sect_type: section type 407 * @section: pointer to section 408 * @index: index of the boost TCAM entry to be returned 409 * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections 410 * 411 * This is a callback function that can be passed to ice_pkg_enum_entry. 412 * Handles enumeration of individual boost TCAM entries. 413 */ 414 static void * 415 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset) 416 { 417 struct ice_boost_tcam_section *boost; 418 419 if (!section) 420 return NULL; 421 422 if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM) 423 return NULL; 424 425 if (index > ICE_MAX_BST_TCAMS_IN_BUF) 426 return NULL; 427 428 if (offset) 429 *offset = 0; 430 431 boost = (struct ice_boost_tcam_section *)section; 432 if (index >= LE16_TO_CPU(boost->count)) 433 return NULL; 434 435 return boost->tcam + index; 436 } 437 438 /** 439 * ice_find_boost_entry 440 * @ice_seg: pointer to the ice segment (non-NULL) 441 * @addr: Boost TCAM address of entry to search for 442 * @entry: returns pointer to the entry 443 * 444 * Finds a particular Boost TCAM entry and returns a pointer to that entry 445 * if it is found. The ice_seg parameter must not be NULL since the first call 446 * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure. 447 */ 448 static enum ice_status 449 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr, 450 struct ice_boost_tcam_entry **entry) 451 { 452 struct ice_boost_tcam_entry *tcam; 453 struct ice_pkg_enum state; 454 455 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 456 457 if (!ice_seg) 458 return ICE_ERR_PARAM; 459 460 do { 461 tcam = (struct ice_boost_tcam_entry *) 462 ice_pkg_enum_entry(ice_seg, &state, 463 ICE_SID_RXPARSER_BOOST_TCAM, NULL, 464 ice_boost_tcam_handler); 465 if (tcam && LE16_TO_CPU(tcam->addr) == addr) { 466 *entry = tcam; 467 return ICE_SUCCESS; 468 } 469 470 ice_seg = NULL; 471 } while (tcam); 472 473 *entry = NULL; 474 return ICE_ERR_CFG; 475 } 476 477 /** 478 * ice_label_enum_handler 479 * @sect_type: section type 480 * @section: pointer to section 481 * @index: index of the label entry to be returned 482 * @offset: pointer to receive absolute offset, always zero for label sections 483 * 484 * This is a callback function that can be passed to ice_pkg_enum_entry. 485 * Handles enumeration of individual label entries. 486 */ 487 static void * 488 ice_label_enum_handler(u32 __ALWAYS_UNUSED sect_type, void *section, u32 index, 489 u32 *offset) 490 { 491 struct ice_label_section *labels; 492 493 if (!section) 494 return NULL; 495 496 if (index > ICE_MAX_LABELS_IN_BUF) 497 return NULL; 498 499 if (offset) 500 *offset = 0; 501 502 labels = (struct ice_label_section *)section; 503 if (index >= LE16_TO_CPU(labels->count)) 504 return NULL; 505 506 return labels->label + index; 507 } 508 509 /** 510 * ice_enum_labels 511 * @ice_seg: pointer to the ice segment (NULL on subsequent calls) 512 * @type: the section type that will contain the label (0 on subsequent calls) 513 * @state: ice_pkg_enum structure that will hold the state of the enumeration 514 * @value: pointer to a value that will return the label's value if found 515 * 516 * Enumerates a list of labels in the package. The caller will call 517 * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call 518 * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL 519 * the end of the list has been reached. 520 */ 521 static char * 522 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state, 523 u16 *value) 524 { 525 struct ice_label *label; 526 527 /* Check for valid label section on first call */ 528 if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST)) 529 return NULL; 530 531 label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type, 532 NULL, 533 ice_label_enum_handler); 534 if (!label) 535 return NULL; 536 537 *value = LE16_TO_CPU(label->value); 538 return label->name; 539 } 540 541 /** 542 * ice_add_tunnel_hint 543 * @hw: pointer to the HW structure 544 * @label_name: label text 545 * @val: value of the tunnel port boost entry 546 */ 547 static void ice_add_tunnel_hint(struct ice_hw *hw, char *label_name, u16 val) 548 { 549 if (hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) { 550 u16 i; 551 552 for (i = 0; tnls[i].type != TNL_LAST; i++) { 553 size_t len = strlen(tnls[i].label_prefix); 554 555 /* Look for matching label start, before continuing */ 556 if (strncmp(label_name, tnls[i].label_prefix, len)) 557 continue; 558 559 /* Make sure this label matches our PF. Note that the PF 560 * character ('0' - '7') will be located where our 561 * prefix string's null terminator is located. 562 */ 563 if ((label_name[len] - '0') == hw->pf_id) { 564 hw->tnl.tbl[hw->tnl.count].type = tnls[i].type; 565 hw->tnl.tbl[hw->tnl.count].valid = false; 566 hw->tnl.tbl[hw->tnl.count].in_use = false; 567 hw->tnl.tbl[hw->tnl.count].marked = false; 568 hw->tnl.tbl[hw->tnl.count].boost_addr = val; 569 hw->tnl.tbl[hw->tnl.count].port = 0; 570 hw->tnl.count++; 571 break; 572 } 573 } 574 } 575 } 576 577 /** 578 * ice_add_dvm_hint 579 * @hw: pointer to the HW structure 580 * @val: value of the boost entry 581 * @enable: true if entry needs to be enabled, or false if needs to be disabled 582 */ 583 static void ice_add_dvm_hint(struct ice_hw *hw, u16 val, bool enable) 584 { 585 if (hw->dvm_upd.count < ICE_DVM_MAX_ENTRIES) { 586 hw->dvm_upd.tbl[hw->dvm_upd.count].boost_addr = val; 587 hw->dvm_upd.tbl[hw->dvm_upd.count].enable = enable; 588 hw->dvm_upd.count++; 589 } 590 } 591 592 /** 593 * ice_init_pkg_hints 594 * @hw: pointer to the HW structure 595 * @ice_seg: pointer to the segment of the package scan (non-NULL) 596 * 597 * This function will scan the package and save off relevant information 598 * (hints or metadata) for driver use. The ice_seg parameter must not be NULL 599 * since the first call to ice_enum_labels requires a pointer to an actual 600 * ice_seg structure. 601 */ 602 static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg) 603 { 604 struct ice_pkg_enum state; 605 char *label_name; 606 u16 val; 607 int i; 608 609 ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM); 610 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 611 612 if (!ice_seg) 613 return; 614 615 label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state, 616 &val); 617 618 while (label_name) { 619 if (!strncmp(label_name, ICE_TNL_PRE, strlen(ICE_TNL_PRE))) 620 /* check for a tunnel entry */ 621 ice_add_tunnel_hint(hw, label_name, val); 622 623 /* check for a dvm mode entry */ 624 else if (!strncmp(label_name, ICE_DVM_PRE, strlen(ICE_DVM_PRE))) 625 ice_add_dvm_hint(hw, val, true); 626 627 /* check for a svm mode entry */ 628 else if (!strncmp(label_name, ICE_SVM_PRE, strlen(ICE_SVM_PRE))) 629 ice_add_dvm_hint(hw, val, false); 630 631 label_name = ice_enum_labels(NULL, 0, &state, &val); 632 } 633 634 /* Cache the appropriate boost TCAM entry pointers for tunnels */ 635 for (i = 0; i < hw->tnl.count; i++) { 636 ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr, 637 &hw->tnl.tbl[i].boost_entry); 638 if (hw->tnl.tbl[i].boost_entry) 639 hw->tnl.tbl[i].valid = true; 640 } 641 642 /* Cache the appropriate boost TCAM entry pointers for DVM and SVM */ 643 for (i = 0; i < hw->dvm_upd.count; i++) 644 ice_find_boost_entry(ice_seg, hw->dvm_upd.tbl[i].boost_addr, 645 &hw->dvm_upd.tbl[i].boost_entry); 646 } 647 648 /* Key creation */ 649 650 #define ICE_DC_KEY 0x1 /* don't care */ 651 #define ICE_DC_KEYINV 0x1 652 #define ICE_NM_KEY 0x0 /* never match */ 653 #define ICE_NM_KEYINV 0x0 654 #define ICE_0_KEY 0x1 /* match 0 */ 655 #define ICE_0_KEYINV 0x0 656 #define ICE_1_KEY 0x0 /* match 1 */ 657 #define ICE_1_KEYINV 0x1 658 659 /** 660 * ice_gen_key_word - generate 16-bits of a key/mask word 661 * @val: the value 662 * @valid: valid bits mask (change only the valid bits) 663 * @dont_care: don't care mask 664 * @nvr_mtch: never match mask 665 * @key: pointer to an array of where the resulting key portion 666 * @key_inv: pointer to an array of where the resulting key invert portion 667 * 668 * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask 669 * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits 670 * of key and 8 bits of key invert. 671 * 672 * '0' = b01, always match a 0 bit 673 * '1' = b10, always match a 1 bit 674 * '?' = b11, don't care bit (always matches) 675 * '~' = b00, never match bit 676 * 677 * Input: 678 * val: b0 1 0 1 0 1 679 * dont_care: b0 0 1 1 0 0 680 * never_mtch: b0 0 0 0 1 1 681 * ------------------------------ 682 * Result: key: b01 10 11 11 00 00 683 */ 684 static enum ice_status 685 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key, 686 u8 *key_inv) 687 { 688 u8 in_key = *key, in_key_inv = *key_inv; 689 u8 i; 690 691 /* 'dont_care' and 'nvr_mtch' masks cannot overlap */ 692 if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch)) 693 return ICE_ERR_CFG; 694 695 *key = 0; 696 *key_inv = 0; 697 698 /* encode the 8 bits into 8-bit key and 8-bit key invert */ 699 for (i = 0; i < 8; i++) { 700 *key >>= 1; 701 *key_inv >>= 1; 702 703 if (!(valid & 0x1)) { /* change only valid bits */ 704 *key |= (in_key & 0x1) << 7; 705 *key_inv |= (in_key_inv & 0x1) << 7; 706 } else if (dont_care & 0x1) { /* don't care bit */ 707 *key |= ICE_DC_KEY << 7; 708 *key_inv |= ICE_DC_KEYINV << 7; 709 } else if (nvr_mtch & 0x1) { /* never match bit */ 710 *key |= ICE_NM_KEY << 7; 711 *key_inv |= ICE_NM_KEYINV << 7; 712 } else if (val & 0x01) { /* exact 1 match */ 713 *key |= ICE_1_KEY << 7; 714 *key_inv |= ICE_1_KEYINV << 7; 715 } else { /* exact 0 match */ 716 *key |= ICE_0_KEY << 7; 717 *key_inv |= ICE_0_KEYINV << 7; 718 } 719 720 dont_care >>= 1; 721 nvr_mtch >>= 1; 722 valid >>= 1; 723 val >>= 1; 724 in_key >>= 1; 725 in_key_inv >>= 1; 726 } 727 728 return ICE_SUCCESS; 729 } 730 731 /** 732 * ice_bits_max_set - determine if the number of bits set is within a maximum 733 * @mask: pointer to the byte array which is the mask 734 * @size: the number of bytes in the mask 735 * @max: the max number of set bits 736 * 737 * This function determines if there are at most 'max' number of bits set in an 738 * array. Returns true if the number for bits set is <= max or will return false 739 * otherwise. 740 */ 741 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max) 742 { 743 u16 count = 0; 744 u16 i; 745 746 /* check each byte */ 747 for (i = 0; i < size; i++) { 748 /* if 0, go to next byte */ 749 if (!mask[i]) 750 continue; 751 752 /* We know there is at least one set bit in this byte because of 753 * the above check; if we already have found 'max' number of 754 * bits set, then we can return failure now. 755 */ 756 if (count == max) 757 return false; 758 759 /* count the bits in this byte, checking threshold */ 760 count += ice_hweight8(mask[i]); 761 if (count > max) 762 return false; 763 } 764 765 return true; 766 } 767 768 /** 769 * ice_set_key - generate a variable sized key with multiples of 16-bits 770 * @key: pointer to where the key will be stored 771 * @size: the size of the complete key in bytes (must be even) 772 * @val: array of 8-bit values that makes up the value portion of the key 773 * @upd: array of 8-bit masks that determine what key portion to update 774 * @dc: array of 8-bit masks that make up the don't care mask 775 * @nm: array of 8-bit masks that make up the never match mask 776 * @off: the offset of the first byte in the key to update 777 * @len: the number of bytes in the key update 778 * 779 * This function generates a key from a value, a don't care mask and a never 780 * match mask. 781 * upd, dc, and nm are optional parameters, and can be NULL: 782 * upd == NULL --> upd mask is all 1's (update all bits) 783 * dc == NULL --> dc mask is all 0's (no don't care bits) 784 * nm == NULL --> nm mask is all 0's (no never match bits) 785 */ 786 enum ice_status 787 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off, 788 u16 len) 789 { 790 u16 half_size; 791 u16 i; 792 793 /* size must be a multiple of 2 bytes. */ 794 if (size % 2) 795 return ICE_ERR_CFG; 796 half_size = size / 2; 797 798 if (off + len > half_size) 799 return ICE_ERR_CFG; 800 801 /* Make sure at most one bit is set in the never match mask. Having more 802 * than one never match mask bit set will cause HW to consume excessive 803 * power otherwise; this is a power management efficiency check. 804 */ 805 #define ICE_NVR_MTCH_BITS_MAX 1 806 if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX)) 807 return ICE_ERR_CFG; 808 809 for (i = 0; i < len; i++) 810 if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff, 811 dc ? dc[i] : 0, nm ? nm[i] : 0, 812 key + off + i, key + half_size + off + i)) 813 return ICE_ERR_CFG; 814 815 return ICE_SUCCESS; 816 } 817 818 /** 819 * ice_acquire_global_cfg_lock 820 * @hw: pointer to the HW structure 821 * @access: access type (read or write) 822 * 823 * This function will request ownership of the global config lock for reading 824 * or writing of the package. When attempting to obtain write access, the 825 * caller must check for the following two return values: 826 * 827 * ICE_SUCCESS - Means the caller has acquired the global config lock 828 * and can perform writing of the package. 829 * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the 830 * package or has found that no update was necessary; in 831 * this case, the caller can just skip performing any 832 * update of the package. 833 */ 834 static enum ice_status 835 ice_acquire_global_cfg_lock(struct ice_hw *hw, 836 enum ice_aq_res_access_type access) 837 { 838 enum ice_status status; 839 840 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 841 842 status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access, 843 ICE_GLOBAL_CFG_LOCK_TIMEOUT); 844 845 if (status == ICE_ERR_AQ_NO_WORK) 846 ice_debug(hw, ICE_DBG_PKG, "Global config lock: No work to do\n"); 847 848 return status; 849 } 850 851 /** 852 * ice_release_global_cfg_lock 853 * @hw: pointer to the HW structure 854 * 855 * This function will release the global config lock. 856 */ 857 static void ice_release_global_cfg_lock(struct ice_hw *hw) 858 { 859 ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID); 860 } 861 862 /** 863 * ice_acquire_change_lock 864 * @hw: pointer to the HW structure 865 * @access: access type (read or write) 866 * 867 * This function will request ownership of the change lock. 868 */ 869 enum ice_status 870 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access) 871 { 872 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 873 874 return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access, 875 ICE_CHANGE_LOCK_TIMEOUT); 876 } 877 878 /** 879 * ice_release_change_lock 880 * @hw: pointer to the HW structure 881 * 882 * This function will release the change lock using the proper Admin Command. 883 */ 884 void ice_release_change_lock(struct ice_hw *hw) 885 { 886 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 887 888 ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID); 889 } 890 891 /** 892 * ice_aq_download_pkg 893 * @hw: pointer to the hardware structure 894 * @pkg_buf: the package buffer to transfer 895 * @buf_size: the size of the package buffer 896 * @last_buf: last buffer indicator 897 * @error_offset: returns error offset 898 * @error_info: returns error information 899 * @cd: pointer to command details structure or NULL 900 * 901 * Download Package (0x0C40) 902 */ 903 static enum ice_status 904 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, 905 u16 buf_size, bool last_buf, u32 *error_offset, 906 u32 *error_info, struct ice_sq_cd *cd) 907 { 908 struct ice_aqc_download_pkg *cmd; 909 struct ice_aq_desc desc; 910 enum ice_status status; 911 912 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 913 914 if (error_offset) 915 *error_offset = 0; 916 if (error_info) 917 *error_info = 0; 918 919 cmd = &desc.params.download_pkg; 920 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg); 921 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 922 923 if (last_buf) 924 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; 925 926 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 927 if (status == ICE_ERR_AQ_ERROR) { 928 /* Read error from buffer only when the FW returned an error */ 929 struct ice_aqc_download_pkg_resp *resp; 930 931 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; 932 if (error_offset) 933 *error_offset = LE32_TO_CPU(resp->error_offset); 934 if (error_info) 935 *error_info = LE32_TO_CPU(resp->error_info); 936 } 937 938 return status; 939 } 940 941 /** 942 * ice_aq_upload_section 943 * @hw: pointer to the hardware structure 944 * @pkg_buf: the package buffer which will receive the section 945 * @buf_size: the size of the package buffer 946 * @cd: pointer to command details structure or NULL 947 * 948 * Upload Section (0x0C41) 949 */ 950 enum ice_status 951 ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, 952 u16 buf_size, struct ice_sq_cd *cd) 953 { 954 struct ice_aq_desc desc; 955 956 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 957 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section); 958 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 959 960 return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 961 } 962 963 /** 964 * ice_aq_update_pkg 965 * @hw: pointer to the hardware structure 966 * @pkg_buf: the package cmd buffer 967 * @buf_size: the size of the package cmd buffer 968 * @last_buf: last buffer indicator 969 * @error_offset: returns error offset 970 * @error_info: returns error information 971 * @cd: pointer to command details structure or NULL 972 * 973 * Update Package (0x0C42) 974 */ 975 static enum ice_status 976 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size, 977 bool last_buf, u32 *error_offset, u32 *error_info, 978 struct ice_sq_cd *cd) 979 { 980 struct ice_aqc_download_pkg *cmd; 981 struct ice_aq_desc desc; 982 enum ice_status status; 983 984 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 985 986 if (error_offset) 987 *error_offset = 0; 988 if (error_info) 989 *error_info = 0; 990 991 cmd = &desc.params.download_pkg; 992 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg); 993 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 994 995 if (last_buf) 996 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; 997 998 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 999 if (status == ICE_ERR_AQ_ERROR) { 1000 /* Read error from buffer only when the FW returned an error */ 1001 struct ice_aqc_download_pkg_resp *resp; 1002 1003 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; 1004 if (error_offset) 1005 *error_offset = LE32_TO_CPU(resp->error_offset); 1006 if (error_info) 1007 *error_info = LE32_TO_CPU(resp->error_info); 1008 } 1009 1010 return status; 1011 } 1012 1013 /** 1014 * ice_find_seg_in_pkg 1015 * @hw: pointer to the hardware structure 1016 * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK) 1017 * @pkg_hdr: pointer to the package header to be searched 1018 * 1019 * This function searches a package file for a particular segment type. On 1020 * success it returns a pointer to the segment header, otherwise it will 1021 * return NULL. 1022 */ 1023 static struct ice_generic_seg_hdr * 1024 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type, 1025 struct ice_pkg_hdr *pkg_hdr) 1026 { 1027 u32 i; 1028 1029 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1030 ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n", 1031 pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor, 1032 pkg_hdr->pkg_format_ver.update, 1033 pkg_hdr->pkg_format_ver.draft); 1034 1035 /* Search all package segments for the requested segment type */ 1036 for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) { 1037 struct ice_generic_seg_hdr *seg; 1038 1039 seg = (struct ice_generic_seg_hdr *) 1040 ((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i])); 1041 1042 if (LE32_TO_CPU(seg->seg_type) == seg_type) 1043 return seg; 1044 } 1045 1046 return NULL; 1047 } 1048 1049 /** 1050 * ice_update_pkg_no_lock 1051 * @hw: pointer to the hardware structure 1052 * @bufs: pointer to an array of buffers 1053 * @count: the number of buffers in the array 1054 */ 1055 static enum ice_status 1056 ice_update_pkg_no_lock(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 1057 { 1058 enum ice_status status = ICE_SUCCESS; 1059 u32 i; 1060 1061 for (i = 0; i < count; i++) { 1062 struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i); 1063 bool last = ((i + 1) == count); 1064 u32 offset, info; 1065 1066 status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end), 1067 last, &offset, &info, NULL); 1068 1069 if (status) { 1070 ice_debug(hw, ICE_DBG_PKG, "Update pkg failed: err %d off %d inf %d\n", 1071 status, offset, info); 1072 break; 1073 } 1074 } 1075 1076 return status; 1077 } 1078 1079 /** 1080 * ice_update_pkg 1081 * @hw: pointer to the hardware structure 1082 * @bufs: pointer to an array of buffers 1083 * @count: the number of buffers in the array 1084 * 1085 * Obtains change lock and updates package. 1086 */ 1087 enum ice_status 1088 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 1089 { 1090 enum ice_status status; 1091 1092 status = ice_acquire_change_lock(hw, ICE_RES_WRITE); 1093 if (status) 1094 return status; 1095 1096 status = ice_update_pkg_no_lock(hw, bufs, count); 1097 1098 ice_release_change_lock(hw); 1099 1100 return status; 1101 } 1102 1103 /** 1104 * ice_dwnld_cfg_bufs 1105 * @hw: pointer to the hardware structure 1106 * @bufs: pointer to an array of buffers 1107 * @count: the number of buffers in the array 1108 * 1109 * Obtains global config lock and downloads the package configuration buffers 1110 * to the firmware. Metadata buffers are skipped, and the first metadata buffer 1111 * found indicates that the rest of the buffers are all metadata buffers. 1112 */ 1113 static enum ice_status 1114 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 1115 { 1116 enum ice_status status; 1117 struct ice_buf_hdr *bh; 1118 u32 offset, info, i; 1119 1120 if (!bufs || !count) 1121 return ICE_ERR_PARAM; 1122 1123 /* If the first buffer's first section has its metadata bit set 1124 * then there are no buffers to be downloaded, and the operation is 1125 * considered a success. 1126 */ 1127 bh = (struct ice_buf_hdr *)bufs; 1128 if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF) 1129 return ICE_SUCCESS; 1130 1131 /* reset pkg_dwnld_status in case this function is called in the 1132 * reset/rebuild flow 1133 */ 1134 hw->pkg_dwnld_status = ICE_AQ_RC_OK; 1135 1136 status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE); 1137 if (status) { 1138 if (status == ICE_ERR_AQ_NO_WORK) 1139 hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST; 1140 else 1141 hw->pkg_dwnld_status = hw->adminq.sq_last_status; 1142 return status; 1143 } 1144 1145 for (i = 0; i < count; i++) { 1146 bool last = ((i + 1) == count); 1147 1148 if (!last) { 1149 /* check next buffer for metadata flag */ 1150 bh = (struct ice_buf_hdr *)(bufs + i + 1); 1151 1152 /* A set metadata flag in the next buffer will signal 1153 * that the current buffer will be the last buffer 1154 * downloaded 1155 */ 1156 if (LE16_TO_CPU(bh->section_count)) 1157 if (LE32_TO_CPU(bh->section_entry[0].type) & 1158 ICE_METADATA_BUF) 1159 last = true; 1160 } 1161 1162 bh = (struct ice_buf_hdr *)(bufs + i); 1163 1164 status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last, 1165 &offset, &info, NULL); 1166 1167 /* Save AQ status from download package */ 1168 hw->pkg_dwnld_status = hw->adminq.sq_last_status; 1169 if (status) { 1170 ice_debug(hw, ICE_DBG_PKG, "Pkg download failed: err %d off %d inf %d\n", 1171 status, offset, info); 1172 break; 1173 } 1174 1175 if (last) 1176 break; 1177 } 1178 1179 if (!status) { 1180 status = ice_set_vlan_mode(hw); 1181 if (status) 1182 ice_debug(hw, ICE_DBG_PKG, "Failed to set VLAN mode: err %d\n", 1183 status); 1184 } 1185 1186 ice_release_global_cfg_lock(hw); 1187 1188 return status; 1189 } 1190 1191 /** 1192 * ice_aq_get_pkg_info_list 1193 * @hw: pointer to the hardware structure 1194 * @pkg_info: the buffer which will receive the information list 1195 * @buf_size: the size of the pkg_info information buffer 1196 * @cd: pointer to command details structure or NULL 1197 * 1198 * Get Package Info List (0x0C43) 1199 */ 1200 static enum ice_status 1201 ice_aq_get_pkg_info_list(struct ice_hw *hw, 1202 struct ice_aqc_get_pkg_info_resp *pkg_info, 1203 u16 buf_size, struct ice_sq_cd *cd) 1204 { 1205 struct ice_aq_desc desc; 1206 1207 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1208 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list); 1209 1210 return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd); 1211 } 1212 1213 /** 1214 * ice_download_pkg 1215 * @hw: pointer to the hardware structure 1216 * @ice_seg: pointer to the segment of the package to be downloaded 1217 * 1218 * Handles the download of a complete package. 1219 */ 1220 static enum ice_status 1221 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg) 1222 { 1223 struct ice_buf_table *ice_buf_tbl; 1224 enum ice_status status; 1225 1226 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1227 ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n", 1228 ice_seg->hdr.seg_format_ver.major, 1229 ice_seg->hdr.seg_format_ver.minor, 1230 ice_seg->hdr.seg_format_ver.update, 1231 ice_seg->hdr.seg_format_ver.draft); 1232 1233 ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n", 1234 LE32_TO_CPU(ice_seg->hdr.seg_type), 1235 LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id); 1236 1237 ice_buf_tbl = ice_find_buf_table(ice_seg); 1238 1239 ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n", 1240 LE32_TO_CPU(ice_buf_tbl->buf_count)); 1241 1242 status = ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array, 1243 LE32_TO_CPU(ice_buf_tbl->buf_count)); 1244 1245 ice_post_pkg_dwnld_vlan_mode_cfg(hw); 1246 1247 return status; 1248 } 1249 1250 /** 1251 * ice_init_pkg_info 1252 * @hw: pointer to the hardware structure 1253 * @pkg_hdr: pointer to the driver's package hdr 1254 * 1255 * Saves off the package details into the HW structure. 1256 */ 1257 static enum ice_status 1258 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr) 1259 { 1260 struct ice_generic_seg_hdr *seg_hdr; 1261 1262 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1263 if (!pkg_hdr) 1264 return ICE_ERR_PARAM; 1265 1266 seg_hdr = (struct ice_generic_seg_hdr *) 1267 ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr); 1268 if (seg_hdr) { 1269 struct ice_meta_sect *meta; 1270 struct ice_pkg_enum state; 1271 1272 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1273 1274 /* Get package information from the Metadata Section */ 1275 meta = (struct ice_meta_sect *) 1276 ice_pkg_enum_section((struct ice_seg *)seg_hdr, &state, 1277 ICE_SID_METADATA); 1278 if (!meta) { 1279 ice_debug(hw, ICE_DBG_INIT, "Did not find ice metadata section in package\n"); 1280 return ICE_ERR_CFG; 1281 } 1282 1283 hw->pkg_ver = meta->ver; 1284 ice_memcpy(hw->pkg_name, meta->name, sizeof(meta->name), 1285 ICE_NONDMA_TO_NONDMA); 1286 1287 ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n", 1288 meta->ver.major, meta->ver.minor, meta->ver.update, 1289 meta->ver.draft, meta->name); 1290 1291 hw->ice_seg_fmt_ver = seg_hdr->seg_format_ver; 1292 ice_memcpy(hw->ice_seg_id, seg_hdr->seg_id, 1293 sizeof(hw->ice_seg_id), ICE_NONDMA_TO_NONDMA); 1294 1295 ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n", 1296 seg_hdr->seg_format_ver.major, 1297 seg_hdr->seg_format_ver.minor, 1298 seg_hdr->seg_format_ver.update, 1299 seg_hdr->seg_format_ver.draft, 1300 seg_hdr->seg_id); 1301 } else { 1302 ice_debug(hw, ICE_DBG_INIT, "Did not find ice segment in driver package\n"); 1303 return ICE_ERR_CFG; 1304 } 1305 1306 return ICE_SUCCESS; 1307 } 1308 1309 /** 1310 * ice_get_pkg_info 1311 * @hw: pointer to the hardware structure 1312 * 1313 * Store details of the package currently loaded in HW into the HW structure. 1314 */ 1315 static enum ice_status ice_get_pkg_info(struct ice_hw *hw) 1316 { 1317 struct ice_aqc_get_pkg_info_resp *pkg_info; 1318 enum ice_status status; 1319 u16 size; 1320 u32 i; 1321 1322 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1323 1324 size = ice_struct_size(pkg_info, pkg_info, ICE_PKG_CNT); 1325 pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size); 1326 if (!pkg_info) 1327 return ICE_ERR_NO_MEMORY; 1328 1329 status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL); 1330 if (status) 1331 goto init_pkg_free_alloc; 1332 1333 for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) { 1334 #define ICE_PKG_FLAG_COUNT 4 1335 char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 }; 1336 u8 place = 0; 1337 1338 if (pkg_info->pkg_info[i].is_active) { 1339 flags[place++] = 'A'; 1340 hw->active_pkg_ver = pkg_info->pkg_info[i].ver; 1341 hw->active_track_id = 1342 LE32_TO_CPU(pkg_info->pkg_info[i].track_id); 1343 ice_memcpy(hw->active_pkg_name, 1344 pkg_info->pkg_info[i].name, 1345 sizeof(pkg_info->pkg_info[i].name), 1346 ICE_NONDMA_TO_NONDMA); 1347 hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm; 1348 } 1349 if (pkg_info->pkg_info[i].is_active_at_boot) 1350 flags[place++] = 'B'; 1351 if (pkg_info->pkg_info[i].is_modified) 1352 flags[place++] = 'M'; 1353 if (pkg_info->pkg_info[i].is_in_nvm) 1354 flags[place++] = 'N'; 1355 1356 ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n", 1357 i, pkg_info->pkg_info[i].ver.major, 1358 pkg_info->pkg_info[i].ver.minor, 1359 pkg_info->pkg_info[i].ver.update, 1360 pkg_info->pkg_info[i].ver.draft, 1361 pkg_info->pkg_info[i].name, flags); 1362 } 1363 1364 init_pkg_free_alloc: 1365 ice_free(hw, pkg_info); 1366 1367 return status; 1368 } 1369 1370 /** 1371 * ice_verify_pkg - verify package 1372 * @pkg: pointer to the package buffer 1373 * @len: size of the package buffer 1374 * 1375 * Verifies various attributes of the package file, including length, format 1376 * version, and the requirement of at least one segment. 1377 */ 1378 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len) 1379 { 1380 u32 seg_count; 1381 u32 i; 1382 1383 if (len < ice_struct_size(pkg, seg_offset, 1)) 1384 return ICE_ERR_BUF_TOO_SHORT; 1385 1386 if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ || 1387 pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR || 1388 pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD || 1389 pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT) 1390 return ICE_ERR_CFG; 1391 1392 /* pkg must have at least one segment */ 1393 seg_count = LE32_TO_CPU(pkg->seg_count); 1394 if (seg_count < 1) 1395 return ICE_ERR_CFG; 1396 1397 /* make sure segment array fits in package length */ 1398 if (len < ice_struct_size(pkg, seg_offset, seg_count)) 1399 return ICE_ERR_BUF_TOO_SHORT; 1400 1401 /* all segments must fit within length */ 1402 for (i = 0; i < seg_count; i++) { 1403 u32 off = LE32_TO_CPU(pkg->seg_offset[i]); 1404 struct ice_generic_seg_hdr *seg; 1405 1406 /* segment header must fit */ 1407 if (len < off + sizeof(*seg)) 1408 return ICE_ERR_BUF_TOO_SHORT; 1409 1410 seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off); 1411 1412 /* segment body must fit */ 1413 if (len < off + LE32_TO_CPU(seg->seg_size)) 1414 return ICE_ERR_BUF_TOO_SHORT; 1415 } 1416 1417 return ICE_SUCCESS; 1418 } 1419 1420 /** 1421 * ice_free_seg - free package segment pointer 1422 * @hw: pointer to the hardware structure 1423 * 1424 * Frees the package segment pointer in the proper manner, depending on if the 1425 * segment was allocated or just the passed in pointer was stored. 1426 */ 1427 void ice_free_seg(struct ice_hw *hw) 1428 { 1429 if (hw->pkg_copy) { 1430 ice_free(hw, hw->pkg_copy); 1431 hw->pkg_copy = NULL; 1432 hw->pkg_size = 0; 1433 } 1434 hw->seg = NULL; 1435 } 1436 1437 /** 1438 * ice_init_pkg_regs - initialize additional package registers 1439 * @hw: pointer to the hardware structure 1440 */ 1441 static void ice_init_pkg_regs(struct ice_hw *hw) 1442 { 1443 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF 1444 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF 1445 #define ICE_SW_BLK_IDX 0 1446 if (hw->dcf_enabled) 1447 return; 1448 1449 /* setup Switch block input mask, which is 48-bits in two parts */ 1450 wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L); 1451 wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H); 1452 } 1453 1454 /** 1455 * ice_chk_pkg_version - check package version for compatibility with driver 1456 * @pkg_ver: pointer to a version structure to check 1457 * 1458 * Check to make sure that the package about to be downloaded is compatible with 1459 * the driver. To be compatible, the major and minor components of the package 1460 * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR 1461 * definitions. 1462 */ 1463 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver) 1464 { 1465 if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ || 1466 pkg_ver->minor != ICE_PKG_SUPP_VER_MNR) 1467 return ICE_ERR_NOT_SUPPORTED; 1468 1469 return ICE_SUCCESS; 1470 } 1471 1472 /** 1473 * ice_chk_pkg_compat 1474 * @hw: pointer to the hardware structure 1475 * @ospkg: pointer to the package hdr 1476 * @seg: pointer to the package segment hdr 1477 * 1478 * This function checks the package version compatibility with driver and NVM 1479 */ 1480 static enum ice_status 1481 ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg, 1482 struct ice_seg **seg) 1483 { 1484 struct ice_aqc_get_pkg_info_resp *pkg; 1485 enum ice_status status; 1486 u16 size; 1487 u32 i; 1488 1489 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1490 1491 /* Check package version compatibility */ 1492 status = ice_chk_pkg_version(&hw->pkg_ver); 1493 if (status) { 1494 ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n"); 1495 return status; 1496 } 1497 1498 /* find ICE segment in given package */ 1499 *seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, 1500 ospkg); 1501 if (!*seg) { 1502 ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n"); 1503 return ICE_ERR_CFG; 1504 } 1505 1506 /* Check if FW is compatible with the OS package */ 1507 size = ice_struct_size(pkg, pkg_info, ICE_PKG_CNT); 1508 pkg = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size); 1509 if (!pkg) 1510 return ICE_ERR_NO_MEMORY; 1511 1512 status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL); 1513 if (status) 1514 goto fw_ddp_compat_free_alloc; 1515 1516 for (i = 0; i < LE32_TO_CPU(pkg->count); i++) { 1517 /* loop till we find the NVM package */ 1518 if (!pkg->pkg_info[i].is_in_nvm) 1519 continue; 1520 if ((*seg)->hdr.seg_format_ver.major != 1521 pkg->pkg_info[i].ver.major || 1522 (*seg)->hdr.seg_format_ver.minor > 1523 pkg->pkg_info[i].ver.minor) { 1524 status = ICE_ERR_FW_DDP_MISMATCH; 1525 ice_debug(hw, ICE_DBG_INIT, "OS package is not compatible with NVM.\n"); 1526 } 1527 /* done processing NVM package so break */ 1528 break; 1529 } 1530 fw_ddp_compat_free_alloc: 1531 ice_free(hw, pkg); 1532 return status; 1533 } 1534 1535 /** 1536 * ice_sw_fv_handler 1537 * @sect_type: section type 1538 * @section: pointer to section 1539 * @index: index of the field vector entry to be returned 1540 * @offset: ptr to variable that receives the offset in the field vector table 1541 * 1542 * This is a callback function that can be passed to ice_pkg_enum_entry. 1543 * This function treats the given section as of type ice_sw_fv_section and 1544 * enumerates offset field. "offset" is an index into the field vector table. 1545 */ 1546 static void * 1547 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset) 1548 { 1549 struct ice_sw_fv_section *fv_section = 1550 (struct ice_sw_fv_section *)section; 1551 1552 if (!section || sect_type != ICE_SID_FLD_VEC_SW) 1553 return NULL; 1554 if (index >= LE16_TO_CPU(fv_section->count)) 1555 return NULL; 1556 if (offset) 1557 /* "index" passed in to this function is relative to a given 1558 * 4k block. To get to the true index into the field vector 1559 * table need to add the relative index to the base_offset 1560 * field of this section 1561 */ 1562 *offset = LE16_TO_CPU(fv_section->base_offset) + index; 1563 return fv_section->fv + index; 1564 } 1565 1566 /** 1567 * ice_get_prof_index_max - get the max profile index for used profile 1568 * @hw: pointer to the HW struct 1569 * 1570 * Calling this function will get the max profile index for used profile 1571 * and store the index number in struct ice_switch_info *switch_info 1572 * in hw for following use. 1573 */ 1574 static int ice_get_prof_index_max(struct ice_hw *hw) 1575 { 1576 u16 prof_index = 0, j, max_prof_index = 0; 1577 struct ice_pkg_enum state; 1578 struct ice_seg *ice_seg; 1579 bool flag = false; 1580 struct ice_fv *fv; 1581 u32 offset; 1582 1583 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1584 1585 if (!hw->seg) 1586 return ICE_ERR_PARAM; 1587 1588 ice_seg = hw->seg; 1589 1590 do { 1591 fv = (struct ice_fv *) 1592 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1593 &offset, ice_sw_fv_handler); 1594 if (!fv) 1595 break; 1596 ice_seg = NULL; 1597 1598 /* in the profile that not be used, the prot_id is set to 0xff 1599 * and the off is set to 0x1ff for all the field vectors. 1600 */ 1601 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) 1602 if (fv->ew[j].prot_id != ICE_PROT_INVALID || 1603 fv->ew[j].off != ICE_FV_OFFSET_INVAL) 1604 flag = true; 1605 if (flag && prof_index > max_prof_index) 1606 max_prof_index = prof_index; 1607 1608 prof_index++; 1609 flag = false; 1610 } while (fv); 1611 1612 hw->switch_info->max_used_prof_index = max_prof_index; 1613 1614 return ICE_SUCCESS; 1615 } 1616 1617 /** 1618 * ice_init_pkg - initialize/download package 1619 * @hw: pointer to the hardware structure 1620 * @buf: pointer to the package buffer 1621 * @len: size of the package buffer 1622 * 1623 * This function initializes a package. The package contains HW tables 1624 * required to do packet processing. First, the function extracts package 1625 * information such as version. Then it finds the ice configuration segment 1626 * within the package; this function then saves a copy of the segment pointer 1627 * within the supplied package buffer. Next, the function will cache any hints 1628 * from the package, followed by downloading the package itself. Note, that if 1629 * a previous PF driver has already downloaded the package successfully, then 1630 * the current driver will not have to download the package again. 1631 * 1632 * The local package contents will be used to query default behavior and to 1633 * update specific sections of the HW's version of the package (e.g. to update 1634 * the parse graph to understand new protocols). 1635 * 1636 * This function stores a pointer to the package buffer memory, and it is 1637 * expected that the supplied buffer will not be freed immediately. If the 1638 * package buffer needs to be freed, such as when read from a file, use 1639 * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this 1640 * case. 1641 */ 1642 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len) 1643 { 1644 struct ice_pkg_hdr *pkg; 1645 enum ice_status status; 1646 struct ice_seg *seg; 1647 1648 if (!buf || !len) 1649 return ICE_ERR_PARAM; 1650 1651 pkg = (struct ice_pkg_hdr *)buf; 1652 status = ice_verify_pkg(pkg, len); 1653 if (status) { 1654 ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n", 1655 status); 1656 return status; 1657 } 1658 1659 /* initialize package info */ 1660 status = ice_init_pkg_info(hw, pkg); 1661 if (status) 1662 return status; 1663 1664 /* before downloading the package, check package version for 1665 * compatibility with driver 1666 */ 1667 status = ice_chk_pkg_compat(hw, pkg, &seg); 1668 if (status) 1669 return status; 1670 1671 /* initialize package hints and then download package */ 1672 ice_init_pkg_hints(hw, seg); 1673 status = ice_download_pkg(hw, seg); 1674 if (status == ICE_ERR_AQ_NO_WORK) { 1675 ice_debug(hw, ICE_DBG_INIT, "package previously loaded - no work.\n"); 1676 status = ICE_SUCCESS; 1677 } 1678 1679 /* Get information on the package currently loaded in HW, then make sure 1680 * the driver is compatible with this version. 1681 */ 1682 if (!status) { 1683 status = ice_get_pkg_info(hw); 1684 if (!status) 1685 status = ice_chk_pkg_version(&hw->active_pkg_ver); 1686 } 1687 1688 if (!status) { 1689 hw->seg = seg; 1690 /* on successful package download update other required 1691 * registers to support the package and fill HW tables 1692 * with package content. 1693 */ 1694 ice_init_pkg_regs(hw); 1695 ice_fill_blk_tbls(hw); 1696 ice_fill_hw_ptype(hw); 1697 ice_get_prof_index_max(hw); 1698 } else { 1699 ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n", 1700 status); 1701 } 1702 1703 return status; 1704 } 1705 1706 /** 1707 * ice_copy_and_init_pkg - initialize/download a copy of the package 1708 * @hw: pointer to the hardware structure 1709 * @buf: pointer to the package buffer 1710 * @len: size of the package buffer 1711 * 1712 * This function copies the package buffer, and then calls ice_init_pkg() to 1713 * initialize the copied package contents. 1714 * 1715 * The copying is necessary if the package buffer supplied is constant, or if 1716 * the memory may disappear shortly after calling this function. 1717 * 1718 * If the package buffer resides in the data segment and can be modified, the 1719 * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg(). 1720 * 1721 * However, if the package buffer needs to be copied first, such as when being 1722 * read from a file, the caller should use ice_copy_and_init_pkg(). 1723 * 1724 * This function will first copy the package buffer, before calling 1725 * ice_init_pkg(). The caller is free to immediately destroy the original 1726 * package buffer, as the new copy will be managed by this function and 1727 * related routines. 1728 */ 1729 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len) 1730 { 1731 enum ice_status status; 1732 u8 *buf_copy; 1733 1734 if (!buf || !len) 1735 return ICE_ERR_PARAM; 1736 1737 buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA); 1738 1739 status = ice_init_pkg(hw, buf_copy, len); 1740 if (status) { 1741 /* Free the copy, since we failed to initialize the package */ 1742 ice_free(hw, buf_copy); 1743 } else { 1744 /* Track the copied pkg so we can free it later */ 1745 hw->pkg_copy = buf_copy; 1746 hw->pkg_size = len; 1747 } 1748 1749 return status; 1750 } 1751 1752 /** 1753 * ice_pkg_buf_alloc 1754 * @hw: pointer to the HW structure 1755 * 1756 * Allocates a package buffer and returns a pointer to the buffer header. 1757 * Note: all package contents must be in Little Endian form. 1758 */ 1759 static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw) 1760 { 1761 struct ice_buf_build *bld; 1762 struct ice_buf_hdr *buf; 1763 1764 bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld)); 1765 if (!bld) 1766 return NULL; 1767 1768 buf = (struct ice_buf_hdr *)bld; 1769 buf->data_end = CPU_TO_LE16(offsetof(struct ice_buf_hdr, 1770 section_entry)); 1771 return bld; 1772 } 1773 1774 /** 1775 * ice_get_sw_prof_type - determine switch profile type 1776 * @hw: pointer to the HW structure 1777 * @fv: pointer to the switch field vector 1778 */ 1779 static enum ice_prof_type 1780 ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv) 1781 { 1782 u16 i; 1783 1784 for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) { 1785 /* UDP tunnel will have UDP_OF protocol ID and VNI offset */ 1786 if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF && 1787 fv->ew[i].off == ICE_VNI_OFFSET) 1788 return ICE_PROF_TUN_UDP; 1789 1790 /* GRE tunnel will have GRE protocol */ 1791 if (fv->ew[i].prot_id == (u8)ICE_PROT_GRE_OF) 1792 return ICE_PROF_TUN_GRE; 1793 1794 /* PPPOE tunnel will have PPPOE protocol */ 1795 if (fv->ew[i].prot_id == (u8)ICE_PROT_PPPOE) 1796 return ICE_PROF_TUN_PPPOE; 1797 } 1798 1799 return ICE_PROF_NON_TUN; 1800 } 1801 1802 /** 1803 * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type 1804 * @hw: pointer to hardware structure 1805 * @req_profs: type of profiles requested 1806 * @bm: pointer to memory for returning the bitmap of field vectors 1807 */ 1808 void 1809 ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs, 1810 ice_bitmap_t *bm) 1811 { 1812 struct ice_pkg_enum state; 1813 struct ice_seg *ice_seg; 1814 struct ice_fv *fv; 1815 1816 if (req_profs == ICE_PROF_ALL) { 1817 ice_bitmap_set(bm, 0, ICE_MAX_NUM_PROFILES); 1818 return; 1819 } 1820 1821 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1822 ice_zero_bitmap(bm, ICE_MAX_NUM_PROFILES); 1823 ice_seg = hw->seg; 1824 do { 1825 enum ice_prof_type prof_type; 1826 u32 offset; 1827 1828 fv = (struct ice_fv *) 1829 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1830 &offset, ice_sw_fv_handler); 1831 ice_seg = NULL; 1832 1833 if (fv) { 1834 /* Determine field vector type */ 1835 prof_type = ice_get_sw_prof_type(hw, fv); 1836 1837 if (req_profs & prof_type) 1838 ice_set_bit((u16)offset, bm); 1839 } 1840 } while (fv); 1841 } 1842 1843 /** 1844 * ice_get_sw_fv_list 1845 * @hw: pointer to the HW structure 1846 * @prot_ids: field vector to search for with a given protocol ID 1847 * @ids_cnt: lookup/protocol count 1848 * @bm: bitmap of field vectors to consider 1849 * @fv_list: Head of a list 1850 * 1851 * Finds all the field vector entries from switch block that contain 1852 * a given protocol ID and returns a list of structures of type 1853 * "ice_sw_fv_list_entry". Every structure in the list has a field vector 1854 * definition and profile ID information 1855 * NOTE: The caller of the function is responsible for freeing the memory 1856 * allocated for every list entry. 1857 */ 1858 enum ice_status 1859 ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt, 1860 ice_bitmap_t *bm, struct LIST_HEAD_TYPE *fv_list) 1861 { 1862 struct ice_sw_fv_list_entry *fvl; 1863 struct ice_sw_fv_list_entry *tmp; 1864 struct ice_pkg_enum state; 1865 struct ice_seg *ice_seg; 1866 struct ice_fv *fv; 1867 u32 offset; 1868 1869 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1870 1871 if (!ids_cnt || !hw->seg) 1872 return ICE_ERR_PARAM; 1873 1874 ice_seg = hw->seg; 1875 do { 1876 u16 i; 1877 1878 fv = (struct ice_fv *) 1879 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1880 &offset, ice_sw_fv_handler); 1881 if (!fv) 1882 break; 1883 ice_seg = NULL; 1884 1885 /* If field vector is not in the bitmap list, then skip this 1886 * profile. 1887 */ 1888 if (!ice_is_bit_set(bm, (u16)offset)) 1889 continue; 1890 1891 for (i = 0; i < ids_cnt; i++) { 1892 int j; 1893 1894 /* This code assumes that if a switch field vector line 1895 * has a matching protocol, then this line will contain 1896 * the entries necessary to represent every field in 1897 * that protocol header. 1898 */ 1899 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) 1900 if (fv->ew[j].prot_id == prot_ids[i]) 1901 break; 1902 if (j >= hw->blk[ICE_BLK_SW].es.fvw) 1903 break; 1904 if (i + 1 == ids_cnt) { 1905 fvl = (struct ice_sw_fv_list_entry *) 1906 ice_malloc(hw, sizeof(*fvl)); 1907 if (!fvl) 1908 goto err; 1909 fvl->fv_ptr = fv; 1910 fvl->profile_id = offset; 1911 LIST_ADD(&fvl->list_entry, fv_list); 1912 break; 1913 } 1914 } 1915 } while (fv); 1916 if (LIST_EMPTY(fv_list)) 1917 return ICE_ERR_CFG; 1918 return ICE_SUCCESS; 1919 1920 err: 1921 LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry, 1922 list_entry) { 1923 LIST_DEL(&fvl->list_entry); 1924 ice_free(hw, fvl); 1925 } 1926 1927 return ICE_ERR_NO_MEMORY; 1928 } 1929 1930 /** 1931 * ice_init_prof_result_bm - Initialize the profile result index bitmap 1932 * @hw: pointer to hardware structure 1933 */ 1934 void ice_init_prof_result_bm(struct ice_hw *hw) 1935 { 1936 struct ice_pkg_enum state; 1937 struct ice_seg *ice_seg; 1938 struct ice_fv *fv; 1939 1940 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1941 1942 if (!hw->seg) 1943 return; 1944 1945 ice_seg = hw->seg; 1946 do { 1947 u32 off; 1948 u16 i; 1949 1950 fv = (struct ice_fv *) 1951 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1952 &off, ice_sw_fv_handler); 1953 ice_seg = NULL; 1954 if (!fv) 1955 break; 1956 1957 ice_zero_bitmap(hw->switch_info->prof_res_bm[off], 1958 ICE_MAX_FV_WORDS); 1959 1960 /* Determine empty field vector indices, these can be 1961 * used for recipe results. Skip index 0, since it is 1962 * always used for Switch ID. 1963 */ 1964 for (i = 1; i < ICE_MAX_FV_WORDS; i++) 1965 if (fv->ew[i].prot_id == ICE_PROT_INVALID && 1966 fv->ew[i].off == ICE_FV_OFFSET_INVAL) 1967 ice_set_bit(i, 1968 hw->switch_info->prof_res_bm[off]); 1969 } while (fv); 1970 } 1971 1972 /** 1973 * ice_pkg_buf_free 1974 * @hw: pointer to the HW structure 1975 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1976 * 1977 * Frees a package buffer 1978 */ 1979 void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld) 1980 { 1981 ice_free(hw, bld); 1982 } 1983 1984 /** 1985 * ice_pkg_buf_reserve_section 1986 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1987 * @count: the number of sections to reserve 1988 * 1989 * Reserves one or more section table entries in a package buffer. This routine 1990 * can be called multiple times as long as they are made before calling 1991 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section() 1992 * is called once, the number of sections that can be allocated will not be able 1993 * to be increased; not using all reserved sections is fine, but this will 1994 * result in some wasted space in the buffer. 1995 * Note: all package contents must be in Little Endian form. 1996 */ 1997 static enum ice_status 1998 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count) 1999 { 2000 struct ice_buf_hdr *buf; 2001 u16 section_count; 2002 u16 data_end; 2003 2004 if (!bld) 2005 return ICE_ERR_PARAM; 2006 2007 buf = (struct ice_buf_hdr *)&bld->buf; 2008 2009 /* already an active section, can't increase table size */ 2010 section_count = LE16_TO_CPU(buf->section_count); 2011 if (section_count > 0) 2012 return ICE_ERR_CFG; 2013 2014 if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT) 2015 return ICE_ERR_CFG; 2016 bld->reserved_section_table_entries += count; 2017 2018 data_end = LE16_TO_CPU(buf->data_end) + 2019 FLEX_ARRAY_SIZE(buf, section_entry, count); 2020 buf->data_end = CPU_TO_LE16(data_end); 2021 2022 return ICE_SUCCESS; 2023 } 2024 2025 /** 2026 * ice_pkg_buf_alloc_section 2027 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 2028 * @type: the section type value 2029 * @size: the size of the section to reserve (in bytes) 2030 * 2031 * Reserves memory in the buffer for a section's content and updates the 2032 * buffers' status accordingly. This routine returns a pointer to the first 2033 * byte of the section start within the buffer, which is used to fill in the 2034 * section contents. 2035 * Note: all package contents must be in Little Endian form. 2036 */ 2037 static void * 2038 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size) 2039 { 2040 struct ice_buf_hdr *buf; 2041 u16 sect_count; 2042 u16 data_end; 2043 2044 if (!bld || !type || !size) 2045 return NULL; 2046 2047 buf = (struct ice_buf_hdr *)&bld->buf; 2048 2049 /* check for enough space left in buffer */ 2050 data_end = LE16_TO_CPU(buf->data_end); 2051 2052 /* section start must align on 4 byte boundary */ 2053 data_end = ICE_ALIGN(data_end, 4); 2054 2055 if ((data_end + size) > ICE_MAX_S_DATA_END) 2056 return NULL; 2057 2058 /* check for more available section table entries */ 2059 sect_count = LE16_TO_CPU(buf->section_count); 2060 if (sect_count < bld->reserved_section_table_entries) { 2061 void *section_ptr = ((u8 *)buf) + data_end; 2062 2063 buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end); 2064 buf->section_entry[sect_count].size = CPU_TO_LE16(size); 2065 buf->section_entry[sect_count].type = CPU_TO_LE32(type); 2066 2067 data_end += size; 2068 buf->data_end = CPU_TO_LE16(data_end); 2069 2070 buf->section_count = CPU_TO_LE16(sect_count + 1); 2071 return section_ptr; 2072 } 2073 2074 /* no free section table entries */ 2075 return NULL; 2076 } 2077 2078 /** 2079 * ice_pkg_buf_alloc_single_section 2080 * @hw: pointer to the HW structure 2081 * @type: the section type value 2082 * @size: the size of the section to reserve (in bytes) 2083 * @section: returns pointer to the section 2084 * 2085 * Allocates a package buffer with a single section. 2086 * Note: all package contents must be in Little Endian form. 2087 */ 2088 struct ice_buf_build * 2089 ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size, 2090 void **section) 2091 { 2092 struct ice_buf_build *buf; 2093 2094 if (!section) 2095 return NULL; 2096 2097 buf = ice_pkg_buf_alloc(hw); 2098 if (!buf) 2099 return NULL; 2100 2101 if (ice_pkg_buf_reserve_section(buf, 1)) 2102 goto ice_pkg_buf_alloc_single_section_err; 2103 2104 *section = ice_pkg_buf_alloc_section(buf, type, size); 2105 if (!*section) 2106 goto ice_pkg_buf_alloc_single_section_err; 2107 2108 return buf; 2109 2110 ice_pkg_buf_alloc_single_section_err: 2111 ice_pkg_buf_free(hw, buf); 2112 return NULL; 2113 } 2114 2115 /** 2116 * ice_pkg_buf_get_active_sections 2117 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 2118 * 2119 * Returns the number of active sections. Before using the package buffer 2120 * in an update package command, the caller should make sure that there is at 2121 * least one active section - otherwise, the buffer is not legal and should 2122 * not be used. 2123 * Note: all package contents must be in Little Endian form. 2124 */ 2125 static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld) 2126 { 2127 struct ice_buf_hdr *buf; 2128 2129 if (!bld) 2130 return 0; 2131 2132 buf = (struct ice_buf_hdr *)&bld->buf; 2133 return LE16_TO_CPU(buf->section_count); 2134 } 2135 2136 /** 2137 * ice_pkg_buf 2138 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 2139 * 2140 * Return a pointer to the buffer's header 2141 */ 2142 struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld) 2143 { 2144 if (!bld) 2145 return NULL; 2146 2147 return &bld->buf; 2148 } 2149 2150 /** 2151 * ice_tunnel_port_in_use_hlpr - helper function to determine tunnel usage 2152 * @hw: pointer to the HW structure 2153 * @port: port to search for 2154 * @index: optionally returns index 2155 * 2156 * Returns whether a port is already in use as a tunnel, and optionally its 2157 * index 2158 */ 2159 static bool ice_tunnel_port_in_use_hlpr(struct ice_hw *hw, u16 port, u16 *index) 2160 { 2161 u16 i; 2162 2163 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2164 if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) { 2165 if (index) 2166 *index = i; 2167 return true; 2168 } 2169 2170 return false; 2171 } 2172 2173 /** 2174 * ice_tunnel_port_in_use 2175 * @hw: pointer to the HW structure 2176 * @port: port to search for 2177 * @index: optionally returns index 2178 * 2179 * Returns whether a port is already in use as a tunnel, and optionally its 2180 * index 2181 */ 2182 bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index) 2183 { 2184 bool res; 2185 2186 ice_acquire_lock(&hw->tnl_lock); 2187 res = ice_tunnel_port_in_use_hlpr(hw, port, index); 2188 ice_release_lock(&hw->tnl_lock); 2189 2190 return res; 2191 } 2192 2193 /** 2194 * ice_tunnel_get_type 2195 * @hw: pointer to the HW structure 2196 * @port: port to search for 2197 * @type: returns tunnel index 2198 * 2199 * For a given port number, will return the type of tunnel. 2200 */ 2201 bool 2202 ice_tunnel_get_type(struct ice_hw *hw, u16 port, enum ice_tunnel_type *type) 2203 { 2204 bool res = false; 2205 u16 i; 2206 2207 ice_acquire_lock(&hw->tnl_lock); 2208 2209 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2210 if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) { 2211 *type = hw->tnl.tbl[i].type; 2212 res = true; 2213 break; 2214 } 2215 2216 ice_release_lock(&hw->tnl_lock); 2217 2218 return res; 2219 } 2220 2221 /** 2222 * ice_find_free_tunnel_entry 2223 * @hw: pointer to the HW structure 2224 * @type: tunnel type 2225 * @index: optionally returns index 2226 * 2227 * Returns whether there is a free tunnel entry, and optionally its index 2228 */ 2229 static bool 2230 ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type, 2231 u16 *index) 2232 { 2233 u16 i; 2234 2235 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2236 if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use && 2237 hw->tnl.tbl[i].type == type) { 2238 if (index) 2239 *index = i; 2240 return true; 2241 } 2242 2243 return false; 2244 } 2245 2246 /** 2247 * ice_get_open_tunnel_port - retrieve an open tunnel port 2248 * @hw: pointer to the HW structure 2249 * @type: tunnel type (TNL_ALL will return any open port) 2250 * @port: returns open port 2251 */ 2252 bool 2253 ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type, 2254 u16 *port) 2255 { 2256 bool res = false; 2257 u16 i; 2258 2259 ice_acquire_lock(&hw->tnl_lock); 2260 2261 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2262 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2263 (type == TNL_ALL || hw->tnl.tbl[i].type == type)) { 2264 *port = hw->tnl.tbl[i].port; 2265 res = true; 2266 break; 2267 } 2268 2269 ice_release_lock(&hw->tnl_lock); 2270 2271 return res; 2272 } 2273 2274 /** 2275 * ice_upd_dvm_boost_entry 2276 * @hw: pointer to the HW structure 2277 * @entry: pointer to double vlan boost entry info 2278 */ 2279 static enum ice_status 2280 ice_upd_dvm_boost_entry(struct ice_hw *hw, struct ice_dvm_entry *entry) 2281 { 2282 struct ice_boost_tcam_section *sect_rx, *sect_tx; 2283 enum ice_status status = ICE_ERR_MAX_LIMIT; 2284 struct ice_buf_build *bld; 2285 u8 val, dc, nm; 2286 2287 bld = ice_pkg_buf_alloc(hw); 2288 if (!bld) 2289 return ICE_ERR_NO_MEMORY; 2290 2291 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 2292 if (ice_pkg_buf_reserve_section(bld, 2)) 2293 goto ice_upd_dvm_boost_entry_err; 2294 2295 sect_rx = (struct ice_boost_tcam_section *) 2296 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 2297 ice_struct_size(sect_rx, tcam, 1)); 2298 if (!sect_rx) 2299 goto ice_upd_dvm_boost_entry_err; 2300 sect_rx->count = CPU_TO_LE16(1); 2301 2302 sect_tx = (struct ice_boost_tcam_section *) 2303 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 2304 ice_struct_size(sect_tx, tcam, 1)); 2305 if (!sect_tx) 2306 goto ice_upd_dvm_boost_entry_err; 2307 sect_tx->count = CPU_TO_LE16(1); 2308 2309 /* copy original boost entry to update package buffer */ 2310 ice_memcpy(sect_rx->tcam, entry->boost_entry, sizeof(*sect_rx->tcam), 2311 ICE_NONDMA_TO_NONDMA); 2312 2313 /* re-write the don't care and never match bits accordingly */ 2314 if (entry->enable) { 2315 /* all bits are don't care */ 2316 val = 0x00; 2317 dc = 0xFF; 2318 nm = 0x00; 2319 } else { 2320 /* disable, one never match bit, the rest are don't care */ 2321 val = 0x00; 2322 dc = 0xF7; 2323 nm = 0x08; 2324 } 2325 2326 ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key), 2327 &val, NULL, &dc, &nm, 0, sizeof(u8)); 2328 2329 /* exact copy of entry to Tx section entry */ 2330 ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam), 2331 ICE_NONDMA_TO_NONDMA); 2332 2333 status = ice_update_pkg_no_lock(hw, ice_pkg_buf(bld), 1); 2334 2335 ice_upd_dvm_boost_entry_err: 2336 ice_pkg_buf_free(hw, bld); 2337 2338 return status; 2339 } 2340 2341 /** 2342 * ice_set_dvm_boost_entries 2343 * @hw: pointer to the HW structure 2344 * 2345 * Enable double vlan by updating the appropriate boost tcam entries. 2346 */ 2347 enum ice_status ice_set_dvm_boost_entries(struct ice_hw *hw) 2348 { 2349 enum ice_status status; 2350 u16 i; 2351 2352 for (i = 0; i < hw->dvm_upd.count; i++) { 2353 status = ice_upd_dvm_boost_entry(hw, &hw->dvm_upd.tbl[i]); 2354 if (status) 2355 return status; 2356 } 2357 2358 return ICE_SUCCESS; 2359 } 2360 2361 /** 2362 * ice_create_tunnel 2363 * @hw: pointer to the HW structure 2364 * @type: type of tunnel 2365 * @port: port of tunnel to create 2366 * 2367 * Create a tunnel by updating the parse graph in the parser. We do that by 2368 * creating a package buffer with the tunnel info and issuing an update package 2369 * command. 2370 */ 2371 enum ice_status 2372 ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port) 2373 { 2374 struct ice_boost_tcam_section *sect_rx, *sect_tx; 2375 enum ice_status status = ICE_ERR_MAX_LIMIT; 2376 struct ice_buf_build *bld; 2377 u16 index; 2378 2379 ice_acquire_lock(&hw->tnl_lock); 2380 2381 if (ice_tunnel_port_in_use_hlpr(hw, port, &index)) { 2382 hw->tnl.tbl[index].ref++; 2383 status = ICE_SUCCESS; 2384 goto ice_create_tunnel_end; 2385 } 2386 2387 if (!ice_find_free_tunnel_entry(hw, type, &index)) { 2388 status = ICE_ERR_OUT_OF_RANGE; 2389 goto ice_create_tunnel_end; 2390 } 2391 2392 bld = ice_pkg_buf_alloc(hw); 2393 if (!bld) { 2394 status = ICE_ERR_NO_MEMORY; 2395 goto ice_create_tunnel_end; 2396 } 2397 2398 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 2399 if (ice_pkg_buf_reserve_section(bld, 2)) 2400 goto ice_create_tunnel_err; 2401 2402 sect_rx = (struct ice_boost_tcam_section *) 2403 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 2404 ice_struct_size(sect_rx, tcam, 1)); 2405 if (!sect_rx) 2406 goto ice_create_tunnel_err; 2407 sect_rx->count = CPU_TO_LE16(1); 2408 2409 sect_tx = (struct ice_boost_tcam_section *) 2410 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 2411 ice_struct_size(sect_tx, tcam, 1)); 2412 if (!sect_tx) 2413 goto ice_create_tunnel_err; 2414 sect_tx->count = CPU_TO_LE16(1); 2415 2416 /* copy original boost entry to update package buffer */ 2417 ice_memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry, 2418 sizeof(*sect_rx->tcam), ICE_NONDMA_TO_NONDMA); 2419 2420 /* over-write the never-match dest port key bits with the encoded port 2421 * bits 2422 */ 2423 ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key), 2424 (u8 *)&port, NULL, NULL, NULL, 2425 (u16)offsetof(struct ice_boost_key_value, hv_dst_port_key), 2426 sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key)); 2427 2428 /* exact copy of entry to Tx section entry */ 2429 ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam), 2430 ICE_NONDMA_TO_NONDMA); 2431 2432 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); 2433 if (!status) { 2434 hw->tnl.tbl[index].port = port; 2435 hw->tnl.tbl[index].in_use = true; 2436 hw->tnl.tbl[index].ref = 1; 2437 } 2438 2439 ice_create_tunnel_err: 2440 ice_pkg_buf_free(hw, bld); 2441 2442 ice_create_tunnel_end: 2443 ice_release_lock(&hw->tnl_lock); 2444 2445 return status; 2446 } 2447 2448 /** 2449 * ice_destroy_tunnel 2450 * @hw: pointer to the HW structure 2451 * @port: port of tunnel to destroy (ignored if the all parameter is true) 2452 * @all: flag that states to destroy all tunnels 2453 * 2454 * Destroys a tunnel or all tunnels by creating an update package buffer 2455 * targeting the specific updates requested and then performing an update 2456 * package. 2457 */ 2458 enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all) 2459 { 2460 struct ice_boost_tcam_section *sect_rx, *sect_tx; 2461 enum ice_status status = ICE_ERR_MAX_LIMIT; 2462 struct ice_buf_build *bld; 2463 u16 count = 0; 2464 u16 index; 2465 u16 size; 2466 u16 i, j; 2467 2468 ice_acquire_lock(&hw->tnl_lock); 2469 2470 if (!all && ice_tunnel_port_in_use_hlpr(hw, port, &index)) 2471 if (hw->tnl.tbl[index].ref > 1) { 2472 hw->tnl.tbl[index].ref--; 2473 status = ICE_SUCCESS; 2474 goto ice_destroy_tunnel_end; 2475 } 2476 2477 /* determine count */ 2478 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2479 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2480 (all || hw->tnl.tbl[i].port == port)) 2481 count++; 2482 2483 if (!count) { 2484 status = ICE_ERR_PARAM; 2485 goto ice_destroy_tunnel_end; 2486 } 2487 2488 /* size of section - there is at least one entry */ 2489 size = ice_struct_size(sect_rx, tcam, count); 2490 2491 bld = ice_pkg_buf_alloc(hw); 2492 if (!bld) { 2493 status = ICE_ERR_NO_MEMORY; 2494 goto ice_destroy_tunnel_end; 2495 } 2496 2497 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 2498 if (ice_pkg_buf_reserve_section(bld, 2)) 2499 goto ice_destroy_tunnel_err; 2500 2501 sect_rx = (struct ice_boost_tcam_section *) 2502 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 2503 size); 2504 if (!sect_rx) 2505 goto ice_destroy_tunnel_err; 2506 sect_rx->count = CPU_TO_LE16(count); 2507 2508 sect_tx = (struct ice_boost_tcam_section *) 2509 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 2510 size); 2511 if (!sect_tx) 2512 goto ice_destroy_tunnel_err; 2513 sect_tx->count = CPU_TO_LE16(count); 2514 2515 /* copy original boost entry to update package buffer, one copy to Rx 2516 * section, another copy to the Tx section 2517 */ 2518 for (i = 0, j = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2519 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2520 (all || hw->tnl.tbl[i].port == port)) { 2521 ice_memcpy(sect_rx->tcam + j, 2522 hw->tnl.tbl[i].boost_entry, 2523 sizeof(*sect_rx->tcam), 2524 ICE_NONDMA_TO_NONDMA); 2525 ice_memcpy(sect_tx->tcam + j, 2526 hw->tnl.tbl[i].boost_entry, 2527 sizeof(*sect_tx->tcam), 2528 ICE_NONDMA_TO_NONDMA); 2529 hw->tnl.tbl[i].marked = true; 2530 j++; 2531 } 2532 2533 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); 2534 if (!status) 2535 for (i = 0; i < hw->tnl.count && 2536 i < ICE_TUNNEL_MAX_ENTRIES; i++) 2537 if (hw->tnl.tbl[i].marked) { 2538 hw->tnl.tbl[i].ref = 0; 2539 hw->tnl.tbl[i].port = 0; 2540 hw->tnl.tbl[i].in_use = false; 2541 hw->tnl.tbl[i].marked = false; 2542 } 2543 2544 ice_destroy_tunnel_err: 2545 ice_pkg_buf_free(hw, bld); 2546 2547 ice_destroy_tunnel_end: 2548 ice_release_lock(&hw->tnl_lock); 2549 2550 return status; 2551 } 2552 2553 /** 2554 * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index 2555 * @hw: pointer to the hardware structure 2556 * @blk: hardware block 2557 * @prof: profile ID 2558 * @fv_idx: field vector word index 2559 * @prot: variable to receive the protocol ID 2560 * @off: variable to receive the protocol offset 2561 */ 2562 enum ice_status 2563 ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 fv_idx, 2564 u8 *prot, u16 *off) 2565 { 2566 struct ice_fv_word *fv_ext; 2567 2568 if (prof >= hw->blk[blk].es.count) 2569 return ICE_ERR_PARAM; 2570 2571 if (fv_idx >= hw->blk[blk].es.fvw) 2572 return ICE_ERR_PARAM; 2573 2574 fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw); 2575 2576 *prot = fv_ext[fv_idx].prot_id; 2577 *off = fv_ext[fv_idx].off; 2578 2579 return ICE_SUCCESS; 2580 } 2581 2582 /* PTG Management */ 2583 2584 /** 2585 * ice_ptg_find_ptype - Search for packet type group using packet type (ptype) 2586 * @hw: pointer to the hardware structure 2587 * @blk: HW block 2588 * @ptype: the ptype to search for 2589 * @ptg: pointer to variable that receives the PTG 2590 * 2591 * This function will search the PTGs for a particular ptype, returning the 2592 * PTG ID that contains it through the PTG parameter, with the value of 2593 * ICE_DEFAULT_PTG (0) meaning it is part the default PTG. 2594 */ 2595 static enum ice_status 2596 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg) 2597 { 2598 if (ptype >= ICE_XLT1_CNT || !ptg) 2599 return ICE_ERR_PARAM; 2600 2601 *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg; 2602 return ICE_SUCCESS; 2603 } 2604 2605 /** 2606 * ice_ptg_alloc_val - Allocates a new packet type group ID by value 2607 * @hw: pointer to the hardware structure 2608 * @blk: HW block 2609 * @ptg: the PTG to allocate 2610 * 2611 * This function allocates a given packet type group ID specified by the PTG 2612 * parameter. 2613 */ 2614 static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg) 2615 { 2616 hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true; 2617 } 2618 2619 /** 2620 * ice_ptg_remove_ptype - Removes ptype from a particular packet type group 2621 * @hw: pointer to the hardware structure 2622 * @blk: HW block 2623 * @ptype: the ptype to remove 2624 * @ptg: the PTG to remove the ptype from 2625 * 2626 * This function will remove the ptype from the specific PTG, and move it to 2627 * the default PTG (ICE_DEFAULT_PTG). 2628 */ 2629 static enum ice_status 2630 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) 2631 { 2632 struct ice_ptg_ptype **ch; 2633 struct ice_ptg_ptype *p; 2634 2635 if (ptype > ICE_XLT1_CNT - 1) 2636 return ICE_ERR_PARAM; 2637 2638 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use) 2639 return ICE_ERR_DOES_NOT_EXIST; 2640 2641 /* Should not happen if .in_use is set, bad config */ 2642 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype) 2643 return ICE_ERR_CFG; 2644 2645 /* find the ptype within this PTG, and bypass the link over it */ 2646 p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2647 ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2648 while (p) { 2649 if (ptype == (p - hw->blk[blk].xlt1.ptypes)) { 2650 *ch = p->next_ptype; 2651 break; 2652 } 2653 2654 ch = &p->next_ptype; 2655 p = p->next_ptype; 2656 } 2657 2658 hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG; 2659 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL; 2660 2661 return ICE_SUCCESS; 2662 } 2663 2664 /** 2665 * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group 2666 * @hw: pointer to the hardware structure 2667 * @blk: HW block 2668 * @ptype: the ptype to add or move 2669 * @ptg: the PTG to add or move the ptype to 2670 * 2671 * This function will either add or move a ptype to a particular PTG depending 2672 * on if the ptype is already part of another group. Note that using a 2673 * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the 2674 * default PTG. 2675 */ 2676 static enum ice_status 2677 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) 2678 { 2679 enum ice_status status; 2680 u8 original_ptg; 2681 2682 if (ptype > ICE_XLT1_CNT - 1) 2683 return ICE_ERR_PARAM; 2684 2685 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG) 2686 return ICE_ERR_DOES_NOT_EXIST; 2687 2688 status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg); 2689 if (status) 2690 return status; 2691 2692 /* Is ptype already in the correct PTG? */ 2693 if (original_ptg == ptg) 2694 return ICE_SUCCESS; 2695 2696 /* Remove from original PTG and move back to the default PTG */ 2697 if (original_ptg != ICE_DEFAULT_PTG) 2698 ice_ptg_remove_ptype(hw, blk, ptype, original_ptg); 2699 2700 /* Moving to default PTG? Then we're done with this request */ 2701 if (ptg == ICE_DEFAULT_PTG) 2702 return ICE_SUCCESS; 2703 2704 /* Add ptype to PTG at beginning of list */ 2705 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = 2706 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2707 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype = 2708 &hw->blk[blk].xlt1.ptypes[ptype]; 2709 2710 hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg; 2711 hw->blk[blk].xlt1.t[ptype] = ptg; 2712 2713 return ICE_SUCCESS; 2714 } 2715 2716 /* Block / table size info */ 2717 struct ice_blk_size_details { 2718 u16 xlt1; /* # XLT1 entries */ 2719 u16 xlt2; /* # XLT2 entries */ 2720 u16 prof_tcam; /* # profile ID TCAM entries */ 2721 u16 prof_id; /* # profile IDs */ 2722 u8 prof_cdid_bits; /* # CDID one-hot bits used in key */ 2723 u16 prof_redir; /* # profile redirection entries */ 2724 u16 es; /* # extraction sequence entries */ 2725 u16 fvw; /* # field vector words */ 2726 u8 overwrite; /* overwrite existing entries allowed */ 2727 u8 reverse; /* reverse FV order */ 2728 }; 2729 2730 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = { 2731 /** 2732 * Table Definitions 2733 * XLT1 - Number of entries in XLT1 table 2734 * XLT2 - Number of entries in XLT2 table 2735 * TCAM - Number of entries Profile ID TCAM table 2736 * CDID - Control Domain ID of the hardware block 2737 * PRED - Number of entries in the Profile Redirection Table 2738 * FV - Number of entries in the Field Vector 2739 * FVW - Width (in WORDs) of the Field Vector 2740 * OVR - Overwrite existing table entries 2741 * REV - Reverse FV 2742 */ 2743 /* XLT1 , XLT2 ,TCAM, PID,CDID,PRED, FV, FVW */ 2744 /* Overwrite , Reverse FV */ 2745 /* SW */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256, 0, 256, 256, 48, 2746 false, false }, 2747 /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 32, 2748 false, false }, 2749 /* FD */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24, 2750 false, true }, 2751 /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24, 2752 true, true }, 2753 /* PE */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 64, 32, 0, 32, 32, 24, 2754 false, false }, 2755 }; 2756 2757 enum ice_sid_all { 2758 ICE_SID_XLT1_OFF = 0, 2759 ICE_SID_XLT2_OFF, 2760 ICE_SID_PR_OFF, 2761 ICE_SID_PR_REDIR_OFF, 2762 ICE_SID_ES_OFF, 2763 ICE_SID_OFF_COUNT, 2764 }; 2765 2766 /* Characteristic handling */ 2767 2768 /** 2769 * ice_match_prop_lst - determine if properties of two lists match 2770 * @list1: first properties list 2771 * @list2: second properties list 2772 * 2773 * Count, cookies and the order must match in order to be considered equivalent. 2774 */ 2775 static bool 2776 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2) 2777 { 2778 struct ice_vsig_prof *tmp1; 2779 struct ice_vsig_prof *tmp2; 2780 u16 chk_count = 0; 2781 u16 count = 0; 2782 2783 /* compare counts */ 2784 LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list) 2785 count++; 2786 LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list) 2787 chk_count++; 2788 if (!count || count != chk_count) 2789 return false; 2790 2791 tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list); 2792 tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list); 2793 2794 /* profile cookies must compare, and in the exact same order to take 2795 * into account priority 2796 */ 2797 while (count--) { 2798 if (tmp2->profile_cookie != tmp1->profile_cookie) 2799 return false; 2800 2801 tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list); 2802 tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list); 2803 } 2804 2805 return true; 2806 } 2807 2808 /* VSIG Management */ 2809 2810 /** 2811 * ice_vsig_find_vsi - find a VSIG that contains a specified VSI 2812 * @hw: pointer to the hardware structure 2813 * @blk: HW block 2814 * @vsi: VSI of interest 2815 * @vsig: pointer to receive the VSI group 2816 * 2817 * This function will lookup the VSI entry in the XLT2 list and return 2818 * the VSI group its associated with. 2819 */ 2820 enum ice_status 2821 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig) 2822 { 2823 if (!vsig || vsi >= ICE_MAX_VSI) 2824 return ICE_ERR_PARAM; 2825 2826 /* As long as there's a default or valid VSIG associated with the input 2827 * VSI, the functions returns a success. Any handling of VSIG will be 2828 * done by the following add, update or remove functions. 2829 */ 2830 *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig; 2831 2832 return ICE_SUCCESS; 2833 } 2834 2835 /** 2836 * ice_vsig_alloc_val - allocate a new VSIG by value 2837 * @hw: pointer to the hardware structure 2838 * @blk: HW block 2839 * @vsig: the VSIG to allocate 2840 * 2841 * This function will allocate a given VSIG specified by the VSIG parameter. 2842 */ 2843 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig) 2844 { 2845 u16 idx = vsig & ICE_VSIG_IDX_M; 2846 2847 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) { 2848 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst); 2849 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true; 2850 } 2851 2852 return ICE_VSIG_VALUE(idx, hw->pf_id); 2853 } 2854 2855 /** 2856 * ice_vsig_alloc - Finds a free entry and allocates a new VSIG 2857 * @hw: pointer to the hardware structure 2858 * @blk: HW block 2859 * 2860 * This function will iterate through the VSIG list and mark the first 2861 * unused entry for the new VSIG entry as used and return that value. 2862 */ 2863 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk) 2864 { 2865 u16 i; 2866 2867 for (i = 1; i < ICE_MAX_VSIGS; i++) 2868 if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use) 2869 return ice_vsig_alloc_val(hw, blk, i); 2870 2871 return ICE_DEFAULT_VSIG; 2872 } 2873 2874 /** 2875 * ice_find_dup_props_vsig - find VSI group with a specified set of properties 2876 * @hw: pointer to the hardware structure 2877 * @blk: HW block 2878 * @chs: characteristic list 2879 * @vsig: returns the VSIG with the matching profiles, if found 2880 * 2881 * Each VSIG is associated with a characteristic set; i.e. all VSIs under 2882 * a group have the same characteristic set. To check if there exists a VSIG 2883 * which has the same characteristics as the input characteristics; this 2884 * function will iterate through the XLT2 list and return the VSIG that has a 2885 * matching configuration. In order to make sure that priorities are accounted 2886 * for, the list must match exactly, including the order in which the 2887 * characteristics are listed. 2888 */ 2889 static enum ice_status 2890 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk, 2891 struct LIST_HEAD_TYPE *chs, u16 *vsig) 2892 { 2893 struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2; 2894 u16 i; 2895 2896 for (i = 0; i < xlt2->count; i++) 2897 if (xlt2->vsig_tbl[i].in_use && 2898 ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) { 2899 *vsig = ICE_VSIG_VALUE(i, hw->pf_id); 2900 return ICE_SUCCESS; 2901 } 2902 2903 return ICE_ERR_DOES_NOT_EXIST; 2904 } 2905 2906 /** 2907 * ice_vsig_free - free VSI group 2908 * @hw: pointer to the hardware structure 2909 * @blk: HW block 2910 * @vsig: VSIG to remove 2911 * 2912 * The function will remove all VSIs associated with the input VSIG and move 2913 * them to the DEFAULT_VSIG and mark the VSIG available. 2914 */ 2915 static enum ice_status 2916 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) 2917 { 2918 struct ice_vsig_prof *dtmp, *del; 2919 struct ice_vsig_vsi *vsi_cur; 2920 u16 idx; 2921 2922 idx = vsig & ICE_VSIG_IDX_M; 2923 if (idx >= ICE_MAX_VSIGS) 2924 return ICE_ERR_PARAM; 2925 2926 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 2927 return ICE_ERR_DOES_NOT_EXIST; 2928 2929 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false; 2930 2931 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2932 /* If the VSIG has at least 1 VSI then iterate through the 2933 * list and remove the VSIs before deleting the group. 2934 */ 2935 if (vsi_cur) { 2936 /* remove all vsis associated with this VSIG XLT2 entry */ 2937 do { 2938 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; 2939 2940 vsi_cur->vsig = ICE_DEFAULT_VSIG; 2941 vsi_cur->changed = 1; 2942 vsi_cur->next_vsi = NULL; 2943 vsi_cur = tmp; 2944 } while (vsi_cur); 2945 2946 /* NULL terminate head of VSI list */ 2947 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL; 2948 } 2949 2950 /* free characteristic list */ 2951 LIST_FOR_EACH_ENTRY_SAFE(del, dtmp, 2952 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 2953 ice_vsig_prof, list) { 2954 LIST_DEL(&del->list); 2955 ice_free(hw, del); 2956 } 2957 2958 /* if VSIG characteristic list was cleared for reset 2959 * re-initialize the list head 2960 */ 2961 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst); 2962 2963 return ICE_SUCCESS; 2964 } 2965 2966 /** 2967 * ice_vsig_remove_vsi - remove VSI from VSIG 2968 * @hw: pointer to the hardware structure 2969 * @blk: HW block 2970 * @vsi: VSI to remove 2971 * @vsig: VSI group to remove from 2972 * 2973 * The function will remove the input VSI from its VSI group and move it 2974 * to the DEFAULT_VSIG. 2975 */ 2976 static enum ice_status 2977 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 2978 { 2979 struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt; 2980 u16 idx; 2981 2982 idx = vsig & ICE_VSIG_IDX_M; 2983 2984 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) 2985 return ICE_ERR_PARAM; 2986 2987 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 2988 return ICE_ERR_DOES_NOT_EXIST; 2989 2990 /* entry already in default VSIG, don't have to remove */ 2991 if (idx == ICE_DEFAULT_VSIG) 2992 return ICE_SUCCESS; 2993 2994 vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2995 if (!(*vsi_head)) 2996 return ICE_ERR_CFG; 2997 2998 vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi]; 2999 vsi_cur = (*vsi_head); 3000 3001 /* iterate the VSI list, skip over the entry to be removed */ 3002 while (vsi_cur) { 3003 if (vsi_tgt == vsi_cur) { 3004 (*vsi_head) = vsi_cur->next_vsi; 3005 break; 3006 } 3007 vsi_head = &vsi_cur->next_vsi; 3008 vsi_cur = vsi_cur->next_vsi; 3009 } 3010 3011 /* verify if VSI was removed from group list */ 3012 if (!vsi_cur) 3013 return ICE_ERR_DOES_NOT_EXIST; 3014 3015 vsi_cur->vsig = ICE_DEFAULT_VSIG; 3016 vsi_cur->changed = 1; 3017 vsi_cur->next_vsi = NULL; 3018 3019 return ICE_SUCCESS; 3020 } 3021 3022 /** 3023 * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group 3024 * @hw: pointer to the hardware structure 3025 * @blk: HW block 3026 * @vsi: VSI to move 3027 * @vsig: destination VSI group 3028 * 3029 * This function will move or add the input VSI to the target VSIG. 3030 * The function will find the original VSIG the VSI belongs to and 3031 * move the entry to the DEFAULT_VSIG, update the original VSIG and 3032 * then move entry to the new VSIG. 3033 */ 3034 static enum ice_status 3035 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 3036 { 3037 struct ice_vsig_vsi *tmp; 3038 enum ice_status status; 3039 u16 orig_vsig, idx; 3040 3041 idx = vsig & ICE_VSIG_IDX_M; 3042 3043 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) 3044 return ICE_ERR_PARAM; 3045 3046 /* if VSIG not in use and VSIG is not default type this VSIG 3047 * doesn't exist. 3048 */ 3049 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use && 3050 vsig != ICE_DEFAULT_VSIG) 3051 return ICE_ERR_DOES_NOT_EXIST; 3052 3053 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); 3054 if (status) 3055 return status; 3056 3057 /* no update required if vsigs match */ 3058 if (orig_vsig == vsig) 3059 return ICE_SUCCESS; 3060 3061 if (orig_vsig != ICE_DEFAULT_VSIG) { 3062 /* remove entry from orig_vsig and add to default VSIG */ 3063 status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig); 3064 if (status) 3065 return status; 3066 } 3067 3068 if (idx == ICE_DEFAULT_VSIG) 3069 return ICE_SUCCESS; 3070 3071 /* Create VSI entry and add VSIG and prop_mask values */ 3072 hw->blk[blk].xlt2.vsis[vsi].vsig = vsig; 3073 hw->blk[blk].xlt2.vsis[vsi].changed = 1; 3074 3075 /* Add new entry to the head of the VSIG list */ 3076 tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 3077 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = 3078 &hw->blk[blk].xlt2.vsis[vsi]; 3079 hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp; 3080 hw->blk[blk].xlt2.t[vsi] = vsig; 3081 3082 return ICE_SUCCESS; 3083 } 3084 3085 /** 3086 * ice_prof_has_mask_idx - determine if profile index masking is identical 3087 * @hw: pointer to the hardware structure 3088 * @blk: HW block 3089 * @prof: profile to check 3090 * @idx: profile index to check 3091 * @mask: mask to match 3092 */ 3093 static bool 3094 ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx, 3095 u16 mask) 3096 { 3097 bool expect_no_mask = false; 3098 bool found = false; 3099 bool match = false; 3100 u16 i; 3101 3102 /* If mask is 0x0000 or 0xffff, then there is no masking */ 3103 if (mask == 0 || mask == 0xffff) 3104 expect_no_mask = true; 3105 3106 /* Scan the enabled masks on this profile, for the specified idx */ 3107 for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first + 3108 hw->blk[blk].masks.count; i++) 3109 if (hw->blk[blk].es.mask_ena[prof] & BIT(i)) 3110 if (hw->blk[blk].masks.masks[i].in_use && 3111 hw->blk[blk].masks.masks[i].idx == idx) { 3112 found = true; 3113 if (hw->blk[blk].masks.masks[i].mask == mask) 3114 match = true; 3115 break; 3116 } 3117 3118 if (expect_no_mask) { 3119 if (found) 3120 return false; 3121 } else { 3122 if (!match) 3123 return false; 3124 } 3125 3126 return true; 3127 } 3128 3129 /** 3130 * ice_prof_has_mask - determine if profile masking is identical 3131 * @hw: pointer to the hardware structure 3132 * @blk: HW block 3133 * @prof: profile to check 3134 * @masks: masks to match 3135 */ 3136 static bool 3137 ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks) 3138 { 3139 u16 i; 3140 3141 /* es->mask_ena[prof] will have the mask */ 3142 for (i = 0; i < hw->blk[blk].es.fvw; i++) 3143 if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i])) 3144 return false; 3145 3146 return true; 3147 } 3148 3149 /** 3150 * ice_find_prof_id_with_mask - find profile ID for a given field vector 3151 * @hw: pointer to the hardware structure 3152 * @blk: HW block 3153 * @fv: field vector to search for 3154 * @masks: masks for fv 3155 * @prof_id: receives the profile ID 3156 */ 3157 static enum ice_status 3158 ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk, 3159 struct ice_fv_word *fv, u16 *masks, u8 *prof_id) 3160 { 3161 struct ice_es *es = &hw->blk[blk].es; 3162 u8 i; 3163 3164 /* For FD and RSS, we don't want to re-use an existed profile with the 3165 * same field vector and mask. This will cause rule interference. 3166 */ 3167 if (blk == ICE_BLK_FD || blk == ICE_BLK_RSS) 3168 return ICE_ERR_DOES_NOT_EXIST; 3169 3170 for (i = 0; i < (u8)es->count; i++) { 3171 u16 off = i * es->fvw; 3172 3173 if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv))) 3174 continue; 3175 3176 /* check if masks settings are the same for this profile */ 3177 if (masks && !ice_prof_has_mask(hw, blk, i, masks)) 3178 continue; 3179 3180 *prof_id = i; 3181 return ICE_SUCCESS; 3182 } 3183 3184 return ICE_ERR_DOES_NOT_EXIST; 3185 } 3186 3187 /** 3188 * ice_prof_id_rsrc_type - get profile ID resource type for a block type 3189 * @blk: the block type 3190 * @rsrc_type: pointer to variable to receive the resource type 3191 */ 3192 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type) 3193 { 3194 switch (blk) { 3195 case ICE_BLK_SW: 3196 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID; 3197 break; 3198 case ICE_BLK_ACL: 3199 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID; 3200 break; 3201 case ICE_BLK_FD: 3202 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID; 3203 break; 3204 case ICE_BLK_RSS: 3205 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID; 3206 break; 3207 case ICE_BLK_PE: 3208 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID; 3209 break; 3210 default: 3211 return false; 3212 } 3213 return true; 3214 } 3215 3216 /** 3217 * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type 3218 * @blk: the block type 3219 * @rsrc_type: pointer to variable to receive the resource type 3220 */ 3221 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type) 3222 { 3223 switch (blk) { 3224 case ICE_BLK_SW: 3225 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM; 3226 break; 3227 case ICE_BLK_ACL: 3228 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM; 3229 break; 3230 case ICE_BLK_FD: 3231 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM; 3232 break; 3233 case ICE_BLK_RSS: 3234 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM; 3235 break; 3236 case ICE_BLK_PE: 3237 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM; 3238 break; 3239 default: 3240 return false; 3241 } 3242 return true; 3243 } 3244 3245 /** 3246 * ice_alloc_tcam_ent - allocate hardware TCAM entry 3247 * @hw: pointer to the HW struct 3248 * @blk: the block to allocate the TCAM for 3249 * @btm: true to allocate from bottom of table, false to allocate from top 3250 * @tcam_idx: pointer to variable to receive the TCAM entry 3251 * 3252 * This function allocates a new entry in a Profile ID TCAM for a specific 3253 * block. 3254 */ 3255 static enum ice_status 3256 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, bool btm, 3257 u16 *tcam_idx) 3258 { 3259 u16 res_type; 3260 3261 if (!ice_tcam_ent_rsrc_type(blk, &res_type)) 3262 return ICE_ERR_PARAM; 3263 3264 return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx); 3265 } 3266 3267 /** 3268 * ice_free_tcam_ent - free hardware TCAM entry 3269 * @hw: pointer to the HW struct 3270 * @blk: the block from which to free the TCAM entry 3271 * @tcam_idx: the TCAM entry to free 3272 * 3273 * This function frees an entry in a Profile ID TCAM for a specific block. 3274 */ 3275 static enum ice_status 3276 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx) 3277 { 3278 u16 res_type; 3279 3280 if (!ice_tcam_ent_rsrc_type(blk, &res_type)) 3281 return ICE_ERR_PARAM; 3282 3283 return ice_free_hw_res(hw, res_type, 1, &tcam_idx); 3284 } 3285 3286 /** 3287 * ice_alloc_prof_id - allocate profile ID 3288 * @hw: pointer to the HW struct 3289 * @blk: the block to allocate the profile ID for 3290 * @prof_id: pointer to variable to receive the profile ID 3291 * 3292 * This function allocates a new profile ID, which also corresponds to a Field 3293 * Vector (Extraction Sequence) entry. 3294 */ 3295 static enum ice_status 3296 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id) 3297 { 3298 enum ice_status status; 3299 u16 res_type; 3300 u16 get_prof; 3301 3302 if (!ice_prof_id_rsrc_type(blk, &res_type)) 3303 return ICE_ERR_PARAM; 3304 3305 status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof); 3306 if (!status) 3307 *prof_id = (u8)get_prof; 3308 3309 return status; 3310 } 3311 3312 /** 3313 * ice_free_prof_id - free profile ID 3314 * @hw: pointer to the HW struct 3315 * @blk: the block from which to free the profile ID 3316 * @prof_id: the profile ID to free 3317 * 3318 * This function frees a profile ID, which also corresponds to a Field Vector. 3319 */ 3320 static enum ice_status 3321 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3322 { 3323 u16 tmp_prof_id = (u16)prof_id; 3324 u16 res_type; 3325 3326 if (!ice_prof_id_rsrc_type(blk, &res_type)) 3327 return ICE_ERR_PARAM; 3328 3329 return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id); 3330 } 3331 3332 /** 3333 * ice_prof_inc_ref - increment reference count for profile 3334 * @hw: pointer to the HW struct 3335 * @blk: the block from which to free the profile ID 3336 * @prof_id: the profile ID for which to increment the reference count 3337 */ 3338 static enum ice_status 3339 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3340 { 3341 if (prof_id > hw->blk[blk].es.count) 3342 return ICE_ERR_PARAM; 3343 3344 hw->blk[blk].es.ref_count[prof_id]++; 3345 3346 return ICE_SUCCESS; 3347 } 3348 3349 /** 3350 * ice_write_prof_mask_reg - write profile mask register 3351 * @hw: pointer to the HW struct 3352 * @blk: hardware block 3353 * @mask_idx: mask index 3354 * @idx: index of the FV which will use the mask 3355 * @mask: the 16-bit mask 3356 */ 3357 static void 3358 ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx, 3359 u16 idx, u16 mask) 3360 { 3361 u32 offset; 3362 u32 val; 3363 3364 switch (blk) { 3365 case ICE_BLK_RSS: 3366 offset = GLQF_HMASK(mask_idx); 3367 val = (idx << GLQF_HMASK_MSK_INDEX_S) & 3368 GLQF_HMASK_MSK_INDEX_M; 3369 val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M; 3370 break; 3371 case ICE_BLK_FD: 3372 offset = GLQF_FDMASK(mask_idx); 3373 val = (idx << GLQF_FDMASK_MSK_INDEX_S) & 3374 GLQF_FDMASK_MSK_INDEX_M; 3375 val |= (mask << GLQF_FDMASK_MASK_S) & 3376 GLQF_FDMASK_MASK_M; 3377 break; 3378 default: 3379 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", 3380 blk); 3381 return; 3382 } 3383 3384 wr32(hw, offset, val); 3385 ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n", 3386 blk, idx, offset, val); 3387 } 3388 3389 /** 3390 * ice_write_prof_mask_enable_res - write profile mask enable register 3391 * @hw: pointer to the HW struct 3392 * @blk: hardware block 3393 * @prof_id: profile ID 3394 * @enable_mask: enable mask 3395 */ 3396 static void 3397 ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk, 3398 u16 prof_id, u32 enable_mask) 3399 { 3400 u32 offset; 3401 3402 switch (blk) { 3403 case ICE_BLK_RSS: 3404 offset = GLQF_HMASK_SEL(prof_id); 3405 break; 3406 case ICE_BLK_FD: 3407 offset = GLQF_FDMASK_SEL(prof_id); 3408 break; 3409 default: 3410 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", 3411 blk); 3412 return; 3413 } 3414 3415 wr32(hw, offset, enable_mask); 3416 ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n", 3417 blk, prof_id, offset, enable_mask); 3418 } 3419 3420 /** 3421 * ice_init_prof_masks - initial prof masks 3422 * @hw: pointer to the HW struct 3423 * @blk: hardware block 3424 */ 3425 static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk) 3426 { 3427 u16 per_pf; 3428 u16 i; 3429 3430 ice_init_lock(&hw->blk[blk].masks.lock); 3431 3432 per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs; 3433 3434 hw->blk[blk].masks.count = per_pf; 3435 hw->blk[blk].masks.first = hw->pf_id * per_pf; 3436 3437 ice_memset(hw->blk[blk].masks.masks, 0, 3438 sizeof(hw->blk[blk].masks.masks), ICE_NONDMA_MEM); 3439 3440 for (i = hw->blk[blk].masks.first; 3441 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) 3442 ice_write_prof_mask_reg(hw, blk, i, 0, 0); 3443 } 3444 3445 /** 3446 * ice_init_all_prof_masks - initial all prof masks 3447 * @hw: pointer to the HW struct 3448 */ 3449 void ice_init_all_prof_masks(struct ice_hw *hw) 3450 { 3451 ice_init_prof_masks(hw, ICE_BLK_RSS); 3452 ice_init_prof_masks(hw, ICE_BLK_FD); 3453 } 3454 3455 /** 3456 * ice_alloc_prof_mask - allocate profile mask 3457 * @hw: pointer to the HW struct 3458 * @blk: hardware block 3459 * @idx: index of FV which will use the mask 3460 * @mask: the 16-bit mask 3461 * @mask_idx: variable to receive the mask index 3462 */ 3463 static enum ice_status 3464 ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask, 3465 u16 *mask_idx) 3466 { 3467 bool found_unused = false, found_copy = false; 3468 enum ice_status status = ICE_ERR_MAX_LIMIT; 3469 u16 unused_idx = 0, copy_idx = 0; 3470 u16 i; 3471 3472 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3473 return ICE_ERR_PARAM; 3474 3475 ice_acquire_lock(&hw->blk[blk].masks.lock); 3476 3477 for (i = hw->blk[blk].masks.first; 3478 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) 3479 if (hw->blk[blk].masks.masks[i].in_use) { 3480 /* if mask is in use and it exactly duplicates the 3481 * desired mask and index, then in can be reused 3482 */ 3483 if (hw->blk[blk].masks.masks[i].mask == mask && 3484 hw->blk[blk].masks.masks[i].idx == idx) { 3485 found_copy = true; 3486 copy_idx = i; 3487 break; 3488 } 3489 } else { 3490 /* save off unused index, but keep searching in case 3491 * there is an exact match later on 3492 */ 3493 if (!found_unused) { 3494 found_unused = true; 3495 unused_idx = i; 3496 } 3497 } 3498 3499 if (found_copy) 3500 i = copy_idx; 3501 else if (found_unused) 3502 i = unused_idx; 3503 else 3504 goto err_ice_alloc_prof_mask; 3505 3506 /* update mask for a new entry */ 3507 if (found_unused) { 3508 hw->blk[blk].masks.masks[i].in_use = true; 3509 hw->blk[blk].masks.masks[i].mask = mask; 3510 hw->blk[blk].masks.masks[i].idx = idx; 3511 hw->blk[blk].masks.masks[i].ref = 0; 3512 ice_write_prof_mask_reg(hw, blk, i, idx, mask); 3513 } 3514 3515 hw->blk[blk].masks.masks[i].ref++; 3516 *mask_idx = i; 3517 status = ICE_SUCCESS; 3518 3519 err_ice_alloc_prof_mask: 3520 ice_release_lock(&hw->blk[blk].masks.lock); 3521 3522 return status; 3523 } 3524 3525 /** 3526 * ice_free_prof_mask - free profile mask 3527 * @hw: pointer to the HW struct 3528 * @blk: hardware block 3529 * @mask_idx: index of mask 3530 */ 3531 static enum ice_status 3532 ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx) 3533 { 3534 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3535 return ICE_ERR_PARAM; 3536 3537 if (!(mask_idx >= hw->blk[blk].masks.first && 3538 mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count)) 3539 return ICE_ERR_DOES_NOT_EXIST; 3540 3541 ice_acquire_lock(&hw->blk[blk].masks.lock); 3542 3543 if (!hw->blk[blk].masks.masks[mask_idx].in_use) 3544 goto exit_ice_free_prof_mask; 3545 3546 if (hw->blk[blk].masks.masks[mask_idx].ref > 1) { 3547 hw->blk[blk].masks.masks[mask_idx].ref--; 3548 goto exit_ice_free_prof_mask; 3549 } 3550 3551 /* remove mask */ 3552 hw->blk[blk].masks.masks[mask_idx].in_use = false; 3553 hw->blk[blk].masks.masks[mask_idx].mask = 0; 3554 hw->blk[blk].masks.masks[mask_idx].idx = 0; 3555 3556 /* update mask as unused entry */ 3557 ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d\n", blk, 3558 mask_idx); 3559 ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0); 3560 3561 exit_ice_free_prof_mask: 3562 ice_release_lock(&hw->blk[blk].masks.lock); 3563 3564 return ICE_SUCCESS; 3565 } 3566 3567 /** 3568 * ice_free_prof_masks - free all profile masks for a profile 3569 * @hw: pointer to the HW struct 3570 * @blk: hardware block 3571 * @prof_id: profile ID 3572 */ 3573 static enum ice_status 3574 ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id) 3575 { 3576 u32 mask_bm; 3577 u16 i; 3578 3579 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3580 return ICE_ERR_PARAM; 3581 3582 mask_bm = hw->blk[blk].es.mask_ena[prof_id]; 3583 for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++) 3584 if (mask_bm & BIT(i)) 3585 ice_free_prof_mask(hw, blk, i); 3586 3587 return ICE_SUCCESS; 3588 } 3589 3590 /** 3591 * ice_shutdown_prof_masks - releases lock for masking 3592 * @hw: pointer to the HW struct 3593 * @blk: hardware block 3594 * 3595 * This should be called before unloading the driver 3596 */ 3597 static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk) 3598 { 3599 u16 i; 3600 3601 ice_acquire_lock(&hw->blk[blk].masks.lock); 3602 3603 for (i = hw->blk[blk].masks.first; 3604 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) { 3605 ice_write_prof_mask_reg(hw, blk, i, 0, 0); 3606 3607 hw->blk[blk].masks.masks[i].in_use = false; 3608 hw->blk[blk].masks.masks[i].idx = 0; 3609 hw->blk[blk].masks.masks[i].mask = 0; 3610 } 3611 3612 ice_release_lock(&hw->blk[blk].masks.lock); 3613 ice_destroy_lock(&hw->blk[blk].masks.lock); 3614 } 3615 3616 /** 3617 * ice_shutdown_all_prof_masks - releases all locks for masking 3618 * @hw: pointer to the HW struct 3619 * 3620 * This should be called before unloading the driver 3621 */ 3622 void ice_shutdown_all_prof_masks(struct ice_hw *hw) 3623 { 3624 ice_shutdown_prof_masks(hw, ICE_BLK_RSS); 3625 ice_shutdown_prof_masks(hw, ICE_BLK_FD); 3626 } 3627 3628 /** 3629 * ice_update_prof_masking - set registers according to masking 3630 * @hw: pointer to the HW struct 3631 * @blk: hardware block 3632 * @prof_id: profile ID 3633 * @masks: masks 3634 */ 3635 static enum ice_status 3636 ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id, 3637 u16 *masks) 3638 { 3639 bool err = false; 3640 u32 ena_mask = 0; 3641 u16 idx; 3642 u16 i; 3643 3644 /* Only support FD and RSS masking, otherwise nothing to be done */ 3645 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3646 return ICE_SUCCESS; 3647 3648 for (i = 0; i < hw->blk[blk].es.fvw; i++) 3649 if (masks[i] && masks[i] != 0xFFFF) { 3650 if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) { 3651 ena_mask |= BIT(idx); 3652 } else { 3653 /* not enough bitmaps */ 3654 err = true; 3655 break; 3656 } 3657 } 3658 3659 if (err) { 3660 /* free any bitmaps we have allocated */ 3661 for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++) 3662 if (ena_mask & BIT(i)) 3663 ice_free_prof_mask(hw, blk, i); 3664 3665 return ICE_ERR_OUT_OF_RANGE; 3666 } 3667 3668 /* enable the masks for this profile */ 3669 ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask); 3670 3671 /* store enabled masks with profile so that they can be freed later */ 3672 hw->blk[blk].es.mask_ena[prof_id] = ena_mask; 3673 3674 return ICE_SUCCESS; 3675 } 3676 3677 /** 3678 * ice_write_es - write an extraction sequence to hardware 3679 * @hw: pointer to the HW struct 3680 * @blk: the block in which to write the extraction sequence 3681 * @prof_id: the profile ID to write 3682 * @fv: pointer to the extraction sequence to write - NULL to clear extraction 3683 */ 3684 static void 3685 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id, 3686 struct ice_fv_word *fv) 3687 { 3688 u16 off; 3689 3690 off = prof_id * hw->blk[blk].es.fvw; 3691 if (!fv) { 3692 ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw * 3693 sizeof(*fv), ICE_NONDMA_MEM); 3694 hw->blk[blk].es.written[prof_id] = false; 3695 } else { 3696 ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw * 3697 sizeof(*fv), ICE_NONDMA_TO_NONDMA); 3698 } 3699 } 3700 3701 /** 3702 * ice_prof_dec_ref - decrement reference count for profile 3703 * @hw: pointer to the HW struct 3704 * @blk: the block from which to free the profile ID 3705 * @prof_id: the profile ID for which to decrement the reference count 3706 */ 3707 static enum ice_status 3708 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3709 { 3710 if (prof_id > hw->blk[blk].es.count) 3711 return ICE_ERR_PARAM; 3712 3713 if (hw->blk[blk].es.ref_count[prof_id] > 0) { 3714 if (!--hw->blk[blk].es.ref_count[prof_id]) { 3715 ice_write_es(hw, blk, prof_id, NULL); 3716 ice_free_prof_masks(hw, blk, prof_id); 3717 return ice_free_prof_id(hw, blk, prof_id); 3718 } 3719 } 3720 3721 return ICE_SUCCESS; 3722 } 3723 3724 /* Block / table section IDs */ 3725 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = { 3726 /* SWITCH */ 3727 { ICE_SID_XLT1_SW, 3728 ICE_SID_XLT2_SW, 3729 ICE_SID_PROFID_TCAM_SW, 3730 ICE_SID_PROFID_REDIR_SW, 3731 ICE_SID_FLD_VEC_SW 3732 }, 3733 3734 /* ACL */ 3735 { ICE_SID_XLT1_ACL, 3736 ICE_SID_XLT2_ACL, 3737 ICE_SID_PROFID_TCAM_ACL, 3738 ICE_SID_PROFID_REDIR_ACL, 3739 ICE_SID_FLD_VEC_ACL 3740 }, 3741 3742 /* FD */ 3743 { ICE_SID_XLT1_FD, 3744 ICE_SID_XLT2_FD, 3745 ICE_SID_PROFID_TCAM_FD, 3746 ICE_SID_PROFID_REDIR_FD, 3747 ICE_SID_FLD_VEC_FD 3748 }, 3749 3750 /* RSS */ 3751 { ICE_SID_XLT1_RSS, 3752 ICE_SID_XLT2_RSS, 3753 ICE_SID_PROFID_TCAM_RSS, 3754 ICE_SID_PROFID_REDIR_RSS, 3755 ICE_SID_FLD_VEC_RSS 3756 }, 3757 3758 /* PE */ 3759 { ICE_SID_XLT1_PE, 3760 ICE_SID_XLT2_PE, 3761 ICE_SID_PROFID_TCAM_PE, 3762 ICE_SID_PROFID_REDIR_PE, 3763 ICE_SID_FLD_VEC_PE 3764 } 3765 }; 3766 3767 /** 3768 * ice_init_sw_xlt1_db - init software XLT1 database from HW tables 3769 * @hw: pointer to the hardware structure 3770 * @blk: the HW block to initialize 3771 */ 3772 static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk) 3773 { 3774 u16 pt; 3775 3776 for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) { 3777 u8 ptg; 3778 3779 ptg = hw->blk[blk].xlt1.t[pt]; 3780 if (ptg != ICE_DEFAULT_PTG) { 3781 ice_ptg_alloc_val(hw, blk, ptg); 3782 ice_ptg_add_mv_ptype(hw, blk, pt, ptg); 3783 } 3784 } 3785 } 3786 3787 /** 3788 * ice_init_sw_xlt2_db - init software XLT2 database from HW tables 3789 * @hw: pointer to the hardware structure 3790 * @blk: the HW block to initialize 3791 */ 3792 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk) 3793 { 3794 u16 vsi; 3795 3796 for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) { 3797 u16 vsig; 3798 3799 vsig = hw->blk[blk].xlt2.t[vsi]; 3800 if (vsig) { 3801 ice_vsig_alloc_val(hw, blk, vsig); 3802 ice_vsig_add_mv_vsi(hw, blk, vsi, vsig); 3803 /* no changes at this time, since this has been 3804 * initialized from the original package 3805 */ 3806 hw->blk[blk].xlt2.vsis[vsi].changed = 0; 3807 } 3808 } 3809 } 3810 3811 /** 3812 * ice_init_sw_db - init software database from HW tables 3813 * @hw: pointer to the hardware structure 3814 */ 3815 static void ice_init_sw_db(struct ice_hw *hw) 3816 { 3817 u16 i; 3818 3819 for (i = 0; i < ICE_BLK_COUNT; i++) { 3820 ice_init_sw_xlt1_db(hw, (enum ice_block)i); 3821 ice_init_sw_xlt2_db(hw, (enum ice_block)i); 3822 } 3823 } 3824 3825 /** 3826 * ice_fill_tbl - Reads content of a single table type into database 3827 * @hw: pointer to the hardware structure 3828 * @block_id: Block ID of the table to copy 3829 * @sid: Section ID of the table to copy 3830 * 3831 * Will attempt to read the entire content of a given table of a single block 3832 * into the driver database. We assume that the buffer will always 3833 * be as large or larger than the data contained in the package. If 3834 * this condition is not met, there is most likely an error in the package 3835 * contents. 3836 */ 3837 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) 3838 { 3839 u32 dst_len, sect_len, offset = 0; 3840 struct ice_prof_redir_section *pr; 3841 struct ice_prof_id_section *pid; 3842 struct ice_xlt1_section *xlt1; 3843 struct ice_xlt2_section *xlt2; 3844 struct ice_sw_fv_section *es; 3845 struct ice_pkg_enum state; 3846 u8 *src, *dst; 3847 void *sect; 3848 3849 /* if the HW segment pointer is null then the first iteration of 3850 * ice_pkg_enum_section() will fail. In this case the HW tables will 3851 * not be filled and return success. 3852 */ 3853 if (!hw->seg) { 3854 ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n"); 3855 return; 3856 } 3857 3858 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 3859 3860 sect = ice_pkg_enum_section(hw->seg, &state, sid); 3861 3862 while (sect) { 3863 switch (sid) { 3864 case ICE_SID_XLT1_SW: 3865 case ICE_SID_XLT1_FD: 3866 case ICE_SID_XLT1_RSS: 3867 case ICE_SID_XLT1_ACL: 3868 case ICE_SID_XLT1_PE: 3869 xlt1 = (struct ice_xlt1_section *)sect; 3870 src = xlt1->value; 3871 sect_len = LE16_TO_CPU(xlt1->count) * 3872 sizeof(*hw->blk[block_id].xlt1.t); 3873 dst = hw->blk[block_id].xlt1.t; 3874 dst_len = hw->blk[block_id].xlt1.count * 3875 sizeof(*hw->blk[block_id].xlt1.t); 3876 break; 3877 case ICE_SID_XLT2_SW: 3878 case ICE_SID_XLT2_FD: 3879 case ICE_SID_XLT2_RSS: 3880 case ICE_SID_XLT2_ACL: 3881 case ICE_SID_XLT2_PE: 3882 xlt2 = (struct ice_xlt2_section *)sect; 3883 src = (_FORCE_ u8 *)xlt2->value; 3884 sect_len = LE16_TO_CPU(xlt2->count) * 3885 sizeof(*hw->blk[block_id].xlt2.t); 3886 dst = (u8 *)hw->blk[block_id].xlt2.t; 3887 dst_len = hw->blk[block_id].xlt2.count * 3888 sizeof(*hw->blk[block_id].xlt2.t); 3889 break; 3890 case ICE_SID_PROFID_TCAM_SW: 3891 case ICE_SID_PROFID_TCAM_FD: 3892 case ICE_SID_PROFID_TCAM_RSS: 3893 case ICE_SID_PROFID_TCAM_ACL: 3894 case ICE_SID_PROFID_TCAM_PE: 3895 pid = (struct ice_prof_id_section *)sect; 3896 src = (u8 *)pid->entry; 3897 sect_len = LE16_TO_CPU(pid->count) * 3898 sizeof(*hw->blk[block_id].prof.t); 3899 dst = (u8 *)hw->blk[block_id].prof.t; 3900 dst_len = hw->blk[block_id].prof.count * 3901 sizeof(*hw->blk[block_id].prof.t); 3902 break; 3903 case ICE_SID_PROFID_REDIR_SW: 3904 case ICE_SID_PROFID_REDIR_FD: 3905 case ICE_SID_PROFID_REDIR_RSS: 3906 case ICE_SID_PROFID_REDIR_ACL: 3907 case ICE_SID_PROFID_REDIR_PE: 3908 pr = (struct ice_prof_redir_section *)sect; 3909 src = pr->redir_value; 3910 sect_len = LE16_TO_CPU(pr->count) * 3911 sizeof(*hw->blk[block_id].prof_redir.t); 3912 dst = hw->blk[block_id].prof_redir.t; 3913 dst_len = hw->blk[block_id].prof_redir.count * 3914 sizeof(*hw->blk[block_id].prof_redir.t); 3915 break; 3916 case ICE_SID_FLD_VEC_SW: 3917 case ICE_SID_FLD_VEC_FD: 3918 case ICE_SID_FLD_VEC_RSS: 3919 case ICE_SID_FLD_VEC_ACL: 3920 case ICE_SID_FLD_VEC_PE: 3921 es = (struct ice_sw_fv_section *)sect; 3922 src = (u8 *)es->fv; 3923 sect_len = (u32)(LE16_TO_CPU(es->count) * 3924 hw->blk[block_id].es.fvw) * 3925 sizeof(*hw->blk[block_id].es.t); 3926 dst = (u8 *)hw->blk[block_id].es.t; 3927 dst_len = (u32)(hw->blk[block_id].es.count * 3928 hw->blk[block_id].es.fvw) * 3929 sizeof(*hw->blk[block_id].es.t); 3930 break; 3931 default: 3932 return; 3933 } 3934 3935 /* if the section offset exceeds destination length, terminate 3936 * table fill. 3937 */ 3938 if (offset > dst_len) 3939 return; 3940 3941 /* if the sum of section size and offset exceed destination size 3942 * then we are out of bounds of the HW table size for that PF. 3943 * Changing section length to fill the remaining table space 3944 * of that PF. 3945 */ 3946 if ((offset + sect_len) > dst_len) 3947 sect_len = dst_len - offset; 3948 3949 ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA); 3950 offset += sect_len; 3951 sect = ice_pkg_enum_section(NULL, &state, sid); 3952 } 3953 } 3954 3955 /** 3956 * ice_fill_blk_tbls - Read package context for tables 3957 * @hw: pointer to the hardware structure 3958 * 3959 * Reads the current package contents and populates the driver 3960 * database with the data iteratively for all advanced feature 3961 * blocks. Assume that the HW tables have been allocated. 3962 */ 3963 void ice_fill_blk_tbls(struct ice_hw *hw) 3964 { 3965 u8 i; 3966 3967 for (i = 0; i < ICE_BLK_COUNT; i++) { 3968 enum ice_block blk_id = (enum ice_block)i; 3969 3970 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid); 3971 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid); 3972 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid); 3973 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid); 3974 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid); 3975 } 3976 3977 ice_init_sw_db(hw); 3978 } 3979 3980 /** 3981 * ice_free_prof_map - free profile map 3982 * @hw: pointer to the hardware structure 3983 * @blk_idx: HW block index 3984 */ 3985 static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx) 3986 { 3987 struct ice_es *es = &hw->blk[blk_idx].es; 3988 struct ice_prof_map *del, *tmp; 3989 3990 ice_acquire_lock(&es->prof_map_lock); 3991 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &es->prof_map, 3992 ice_prof_map, list) { 3993 LIST_DEL(&del->list); 3994 ice_free(hw, del); 3995 } 3996 INIT_LIST_HEAD(&es->prof_map); 3997 ice_release_lock(&es->prof_map_lock); 3998 } 3999 4000 /** 4001 * ice_free_flow_profs - free flow profile entries 4002 * @hw: pointer to the hardware structure 4003 * @blk_idx: HW block index 4004 */ 4005 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx) 4006 { 4007 struct ice_flow_prof *p, *tmp; 4008 4009 ice_acquire_lock(&hw->fl_profs_locks[blk_idx]); 4010 LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[blk_idx], 4011 ice_flow_prof, l_entry) { 4012 struct ice_flow_entry *e, *t; 4013 4014 LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries, 4015 ice_flow_entry, l_entry) 4016 ice_flow_rem_entry(hw, (enum ice_block)blk_idx, 4017 ICE_FLOW_ENTRY_HNDL(e)); 4018 4019 LIST_DEL(&p->l_entry); 4020 if (p->acts) 4021 ice_free(hw, p->acts); 4022 4023 ice_destroy_lock(&p->entries_lock); 4024 ice_free(hw, p); 4025 } 4026 ice_release_lock(&hw->fl_profs_locks[blk_idx]); 4027 4028 /* if driver is in reset and tables are being cleared 4029 * re-initialize the flow profile list heads 4030 */ 4031 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]); 4032 } 4033 4034 /** 4035 * ice_free_vsig_tbl - free complete VSIG table entries 4036 * @hw: pointer to the hardware structure 4037 * @blk: the HW block on which to free the VSIG table entries 4038 */ 4039 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk) 4040 { 4041 u16 i; 4042 4043 if (!hw->blk[blk].xlt2.vsig_tbl) 4044 return; 4045 4046 for (i = 1; i < ICE_MAX_VSIGS; i++) 4047 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) 4048 ice_vsig_free(hw, blk, i); 4049 } 4050 4051 /** 4052 * ice_free_hw_tbls - free hardware table memory 4053 * @hw: pointer to the hardware structure 4054 */ 4055 void ice_free_hw_tbls(struct ice_hw *hw) 4056 { 4057 struct ice_rss_cfg *r, *rt; 4058 u8 i; 4059 4060 for (i = 0; i < ICE_BLK_COUNT; i++) { 4061 if (hw->blk[i].is_list_init) { 4062 struct ice_es *es = &hw->blk[i].es; 4063 4064 ice_free_prof_map(hw, i); 4065 ice_destroy_lock(&es->prof_map_lock); 4066 ice_free_flow_profs(hw, i); 4067 ice_destroy_lock(&hw->fl_profs_locks[i]); 4068 4069 hw->blk[i].is_list_init = false; 4070 } 4071 ice_free_vsig_tbl(hw, (enum ice_block)i); 4072 ice_free(hw, hw->blk[i].xlt1.ptypes); 4073 ice_free(hw, hw->blk[i].xlt1.ptg_tbl); 4074 ice_free(hw, hw->blk[i].xlt1.t); 4075 ice_free(hw, hw->blk[i].xlt2.t); 4076 ice_free(hw, hw->blk[i].xlt2.vsig_tbl); 4077 ice_free(hw, hw->blk[i].xlt2.vsis); 4078 ice_free(hw, hw->blk[i].prof.t); 4079 ice_free(hw, hw->blk[i].prof_redir.t); 4080 ice_free(hw, hw->blk[i].es.t); 4081 ice_free(hw, hw->blk[i].es.ref_count); 4082 ice_free(hw, hw->blk[i].es.written); 4083 ice_free(hw, hw->blk[i].es.mask_ena); 4084 } 4085 4086 LIST_FOR_EACH_ENTRY_SAFE(r, rt, &hw->rss_list_head, 4087 ice_rss_cfg, l_entry) { 4088 LIST_DEL(&r->l_entry); 4089 ice_free(hw, r); 4090 } 4091 ice_destroy_lock(&hw->rss_locks); 4092 if (!hw->dcf_enabled) 4093 ice_shutdown_all_prof_masks(hw); 4094 ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM); 4095 } 4096 4097 /** 4098 * ice_init_flow_profs - init flow profile locks and list heads 4099 * @hw: pointer to the hardware structure 4100 * @blk_idx: HW block index 4101 */ 4102 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx) 4103 { 4104 ice_init_lock(&hw->fl_profs_locks[blk_idx]); 4105 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]); 4106 } 4107 4108 /** 4109 * ice_clear_hw_tbls - clear HW tables and flow profiles 4110 * @hw: pointer to the hardware structure 4111 */ 4112 void ice_clear_hw_tbls(struct ice_hw *hw) 4113 { 4114 u8 i; 4115 4116 for (i = 0; i < ICE_BLK_COUNT; i++) { 4117 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; 4118 struct ice_prof_tcam *prof = &hw->blk[i].prof; 4119 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; 4120 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; 4121 struct ice_es *es = &hw->blk[i].es; 4122 4123 if (hw->blk[i].is_list_init) { 4124 ice_free_prof_map(hw, i); 4125 ice_free_flow_profs(hw, i); 4126 } 4127 4128 ice_free_vsig_tbl(hw, (enum ice_block)i); 4129 4130 ice_memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes), 4131 ICE_NONDMA_MEM); 4132 ice_memset(xlt1->ptg_tbl, 0, 4133 ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl), 4134 ICE_NONDMA_MEM); 4135 ice_memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t), 4136 ICE_NONDMA_MEM); 4137 4138 ice_memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis), 4139 ICE_NONDMA_MEM); 4140 ice_memset(xlt2->vsig_tbl, 0, 4141 xlt2->count * sizeof(*xlt2->vsig_tbl), 4142 ICE_NONDMA_MEM); 4143 ice_memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t), 4144 ICE_NONDMA_MEM); 4145 4146 ice_memset(prof->t, 0, prof->count * sizeof(*prof->t), 4147 ICE_NONDMA_MEM); 4148 ice_memset(prof_redir->t, 0, 4149 prof_redir->count * sizeof(*prof_redir->t), 4150 ICE_NONDMA_MEM); 4151 4152 ice_memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw, 4153 ICE_NONDMA_MEM); 4154 ice_memset(es->ref_count, 0, es->count * sizeof(*es->ref_count), 4155 ICE_NONDMA_MEM); 4156 ice_memset(es->written, 0, es->count * sizeof(*es->written), 4157 ICE_NONDMA_MEM); 4158 ice_memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena), 4159 ICE_NONDMA_MEM); 4160 } 4161 } 4162 4163 /** 4164 * ice_init_hw_tbls - init hardware table memory 4165 * @hw: pointer to the hardware structure 4166 */ 4167 enum ice_status ice_init_hw_tbls(struct ice_hw *hw) 4168 { 4169 u8 i; 4170 4171 ice_init_lock(&hw->rss_locks); 4172 INIT_LIST_HEAD(&hw->rss_list_head); 4173 if (!hw->dcf_enabled) 4174 ice_init_all_prof_masks(hw); 4175 for (i = 0; i < ICE_BLK_COUNT; i++) { 4176 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; 4177 struct ice_prof_tcam *prof = &hw->blk[i].prof; 4178 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; 4179 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; 4180 struct ice_es *es = &hw->blk[i].es; 4181 u16 j; 4182 4183 if (hw->blk[i].is_list_init) 4184 continue; 4185 4186 ice_init_flow_profs(hw, i); 4187 ice_init_lock(&es->prof_map_lock); 4188 INIT_LIST_HEAD(&es->prof_map); 4189 hw->blk[i].is_list_init = true; 4190 4191 hw->blk[i].overwrite = blk_sizes[i].overwrite; 4192 es->reverse = blk_sizes[i].reverse; 4193 4194 xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF]; 4195 xlt1->count = blk_sizes[i].xlt1; 4196 4197 xlt1->ptypes = (struct ice_ptg_ptype *) 4198 ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes)); 4199 4200 if (!xlt1->ptypes) 4201 goto err; 4202 4203 xlt1->ptg_tbl = (struct ice_ptg_entry *) 4204 ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl)); 4205 4206 if (!xlt1->ptg_tbl) 4207 goto err; 4208 4209 xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t)); 4210 if (!xlt1->t) 4211 goto err; 4212 4213 xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF]; 4214 xlt2->count = blk_sizes[i].xlt2; 4215 4216 xlt2->vsis = (struct ice_vsig_vsi *) 4217 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis)); 4218 4219 if (!xlt2->vsis) 4220 goto err; 4221 4222 xlt2->vsig_tbl = (struct ice_vsig_entry *) 4223 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl)); 4224 if (!xlt2->vsig_tbl) 4225 goto err; 4226 4227 for (j = 0; j < xlt2->count; j++) 4228 INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst); 4229 4230 xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t)); 4231 if (!xlt2->t) 4232 goto err; 4233 4234 prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF]; 4235 prof->count = blk_sizes[i].prof_tcam; 4236 prof->max_prof_id = blk_sizes[i].prof_id; 4237 prof->cdid_bits = blk_sizes[i].prof_cdid_bits; 4238 prof->t = (struct ice_prof_tcam_entry *) 4239 ice_calloc(hw, prof->count, sizeof(*prof->t)); 4240 4241 if (!prof->t) 4242 goto err; 4243 4244 prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF]; 4245 prof_redir->count = blk_sizes[i].prof_redir; 4246 prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count, 4247 sizeof(*prof_redir->t)); 4248 4249 if (!prof_redir->t) 4250 goto err; 4251 4252 es->sid = ice_blk_sids[i][ICE_SID_ES_OFF]; 4253 es->count = blk_sizes[i].es; 4254 es->fvw = blk_sizes[i].fvw; 4255 es->t = (struct ice_fv_word *) 4256 ice_calloc(hw, (u32)(es->count * es->fvw), 4257 sizeof(*es->t)); 4258 if (!es->t) 4259 goto err; 4260 4261 es->ref_count = (u16 *) 4262 ice_calloc(hw, es->count, sizeof(*es->ref_count)); 4263 4264 if (!es->ref_count) 4265 goto err; 4266 4267 es->written = (u8 *) 4268 ice_calloc(hw, es->count, sizeof(*es->written)); 4269 4270 if (!es->written) 4271 goto err; 4272 4273 es->mask_ena = (u32 *) 4274 ice_calloc(hw, es->count, sizeof(*es->mask_ena)); 4275 4276 if (!es->mask_ena) 4277 goto err; 4278 } 4279 return ICE_SUCCESS; 4280 4281 err: 4282 ice_free_hw_tbls(hw); 4283 return ICE_ERR_NO_MEMORY; 4284 } 4285 4286 /** 4287 * ice_prof_gen_key - generate profile ID key 4288 * @hw: pointer to the HW struct 4289 * @blk: the block in which to write profile ID to 4290 * @ptg: packet type group (PTG) portion of key 4291 * @vsig: VSIG portion of key 4292 * @cdid: CDID portion of key 4293 * @flags: flag portion of key 4294 * @vl_msk: valid mask 4295 * @dc_msk: don't care mask 4296 * @nm_msk: never match mask 4297 * @key: output of profile ID key 4298 */ 4299 static enum ice_status 4300 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig, 4301 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], 4302 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ], 4303 u8 key[ICE_TCAM_KEY_SZ]) 4304 { 4305 struct ice_prof_id_key inkey; 4306 4307 inkey.xlt1 = ptg; 4308 inkey.xlt2_cdid = CPU_TO_LE16(vsig); 4309 inkey.flags = CPU_TO_LE16(flags); 4310 4311 switch (hw->blk[blk].prof.cdid_bits) { 4312 case 0: 4313 break; 4314 case 2: 4315 #define ICE_CD_2_M 0xC000U 4316 #define ICE_CD_2_S 14 4317 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M); 4318 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S); 4319 break; 4320 case 4: 4321 #define ICE_CD_4_M 0xF000U 4322 #define ICE_CD_4_S 12 4323 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M); 4324 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S); 4325 break; 4326 case 8: 4327 #define ICE_CD_8_M 0xFF00U 4328 #define ICE_CD_8_S 16 4329 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M); 4330 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S); 4331 break; 4332 default: 4333 ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n"); 4334 break; 4335 } 4336 4337 return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk, 4338 nm_msk, 0, ICE_TCAM_KEY_SZ / 2); 4339 } 4340 4341 /** 4342 * ice_tcam_write_entry - write TCAM entry 4343 * @hw: pointer to the HW struct 4344 * @blk: the block in which to write profile ID to 4345 * @idx: the entry index to write to 4346 * @prof_id: profile ID 4347 * @ptg: packet type group (PTG) portion of key 4348 * @vsig: VSIG portion of key 4349 * @cdid: CDID portion of key 4350 * @flags: flag portion of key 4351 * @vl_msk: valid mask 4352 * @dc_msk: don't care mask 4353 * @nm_msk: never match mask 4354 */ 4355 static enum ice_status 4356 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx, 4357 u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags, 4358 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], 4359 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], 4360 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ]) 4361 { 4362 struct ice_prof_tcam_entry; 4363 enum ice_status status; 4364 4365 status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk, 4366 dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key); 4367 if (!status) { 4368 hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx); 4369 hw->blk[blk].prof.t[idx].prof_id = prof_id; 4370 } 4371 4372 return status; 4373 } 4374 4375 /** 4376 * ice_vsig_get_ref - returns number of VSIs belong to a VSIG 4377 * @hw: pointer to the hardware structure 4378 * @blk: HW block 4379 * @vsig: VSIG to query 4380 * @refs: pointer to variable to receive the reference count 4381 */ 4382 static enum ice_status 4383 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs) 4384 { 4385 u16 idx = vsig & ICE_VSIG_IDX_M; 4386 struct ice_vsig_vsi *ptr; 4387 4388 *refs = 0; 4389 4390 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 4391 return ICE_ERR_DOES_NOT_EXIST; 4392 4393 ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 4394 while (ptr) { 4395 (*refs)++; 4396 ptr = ptr->next_vsi; 4397 } 4398 4399 return ICE_SUCCESS; 4400 } 4401 4402 /** 4403 * ice_has_prof_vsig - check to see if VSIG has a specific profile 4404 * @hw: pointer to the hardware structure 4405 * @blk: HW block 4406 * @vsig: VSIG to check against 4407 * @hdl: profile handle 4408 */ 4409 static bool 4410 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl) 4411 { 4412 u16 idx = vsig & ICE_VSIG_IDX_M; 4413 struct ice_vsig_prof *ent; 4414 4415 LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4416 ice_vsig_prof, list) 4417 if (ent->profile_cookie == hdl) 4418 return true; 4419 4420 ice_debug(hw, ICE_DBG_INIT, "Characteristic list for VSI group %d not found.\n", 4421 vsig); 4422 return false; 4423 } 4424 4425 /** 4426 * ice_prof_bld_es - build profile ID extraction sequence changes 4427 * @hw: pointer to the HW struct 4428 * @blk: hardware block 4429 * @bld: the update package buffer build to add to 4430 * @chgs: the list of changes to make in hardware 4431 */ 4432 static enum ice_status 4433 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk, 4434 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs) 4435 { 4436 u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word); 4437 struct ice_chs_chg *tmp; 4438 4439 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4440 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) { 4441 u16 off = tmp->prof_id * hw->blk[blk].es.fvw; 4442 struct ice_pkg_es *p; 4443 u32 id; 4444 4445 id = ice_sect_id(blk, ICE_VEC_TBL); 4446 p = (struct ice_pkg_es *) 4447 ice_pkg_buf_alloc_section(bld, id, 4448 ice_struct_size(p, es, 4449 1) + 4450 vec_size - 4451 sizeof(p->es[0])); 4452 4453 if (!p) 4454 return ICE_ERR_MAX_LIMIT; 4455 4456 p->count = CPU_TO_LE16(1); 4457 p->offset = CPU_TO_LE16(tmp->prof_id); 4458 4459 ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size, 4460 ICE_NONDMA_TO_NONDMA); 4461 } 4462 4463 return ICE_SUCCESS; 4464 } 4465 4466 /** 4467 * ice_prof_bld_tcam - build profile ID TCAM changes 4468 * @hw: pointer to the HW struct 4469 * @blk: hardware block 4470 * @bld: the update package buffer build to add to 4471 * @chgs: the list of changes to make in hardware 4472 */ 4473 static enum ice_status 4474 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk, 4475 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs) 4476 { 4477 struct ice_chs_chg *tmp; 4478 4479 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4480 if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) { 4481 struct ice_prof_id_section *p; 4482 u32 id; 4483 4484 id = ice_sect_id(blk, ICE_PROF_TCAM); 4485 p = (struct ice_prof_id_section *) 4486 ice_pkg_buf_alloc_section(bld, id, 4487 ice_struct_size(p, 4488 entry, 4489 1)); 4490 4491 if (!p) 4492 return ICE_ERR_MAX_LIMIT; 4493 4494 p->count = CPU_TO_LE16(1); 4495 p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx); 4496 p->entry[0].prof_id = tmp->prof_id; 4497 4498 ice_memcpy(p->entry[0].key, 4499 &hw->blk[blk].prof.t[tmp->tcam_idx].key, 4500 sizeof(hw->blk[blk].prof.t->key), 4501 ICE_NONDMA_TO_NONDMA); 4502 } 4503 4504 return ICE_SUCCESS; 4505 } 4506 4507 /** 4508 * ice_prof_bld_xlt1 - build XLT1 changes 4509 * @blk: hardware block 4510 * @bld: the update package buffer build to add to 4511 * @chgs: the list of changes to make in hardware 4512 */ 4513 static enum ice_status 4514 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld, 4515 struct LIST_HEAD_TYPE *chgs) 4516 { 4517 struct ice_chs_chg *tmp; 4518 4519 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4520 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) { 4521 struct ice_xlt1_section *p; 4522 u32 id; 4523 4524 id = ice_sect_id(blk, ICE_XLT1); 4525 p = (struct ice_xlt1_section *) 4526 ice_pkg_buf_alloc_section(bld, id, 4527 ice_struct_size(p, 4528 value, 4529 1)); 4530 4531 if (!p) 4532 return ICE_ERR_MAX_LIMIT; 4533 4534 p->count = CPU_TO_LE16(1); 4535 p->offset = CPU_TO_LE16(tmp->ptype); 4536 p->value[0] = tmp->ptg; 4537 } 4538 4539 return ICE_SUCCESS; 4540 } 4541 4542 /** 4543 * ice_prof_bld_xlt2 - build XLT2 changes 4544 * @blk: hardware block 4545 * @bld: the update package buffer build to add to 4546 * @chgs: the list of changes to make in hardware 4547 */ 4548 static enum ice_status 4549 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld, 4550 struct LIST_HEAD_TYPE *chgs) 4551 { 4552 struct ice_chs_chg *tmp; 4553 4554 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) { 4555 struct ice_xlt2_section *p; 4556 u32 id; 4557 4558 switch (tmp->type) { 4559 case ICE_VSIG_ADD: 4560 case ICE_VSI_MOVE: 4561 case ICE_VSIG_REM: 4562 id = ice_sect_id(blk, ICE_XLT2); 4563 p = (struct ice_xlt2_section *) 4564 ice_pkg_buf_alloc_section(bld, id, 4565 ice_struct_size(p, 4566 value, 4567 1)); 4568 4569 if (!p) 4570 return ICE_ERR_MAX_LIMIT; 4571 4572 p->count = CPU_TO_LE16(1); 4573 p->offset = CPU_TO_LE16(tmp->vsi); 4574 p->value[0] = CPU_TO_LE16(tmp->vsig); 4575 break; 4576 default: 4577 break; 4578 } 4579 } 4580 4581 return ICE_SUCCESS; 4582 } 4583 4584 /** 4585 * ice_upd_prof_hw - update hardware using the change list 4586 * @hw: pointer to the HW struct 4587 * @blk: hardware block 4588 * @chgs: the list of changes to make in hardware 4589 */ 4590 static enum ice_status 4591 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk, 4592 struct LIST_HEAD_TYPE *chgs) 4593 { 4594 struct ice_buf_build *b; 4595 struct ice_chs_chg *tmp; 4596 enum ice_status status; 4597 u16 pkg_sects; 4598 u16 xlt1 = 0; 4599 u16 xlt2 = 0; 4600 u16 tcam = 0; 4601 u16 es = 0; 4602 u16 sects; 4603 4604 /* count number of sections we need */ 4605 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) { 4606 switch (tmp->type) { 4607 case ICE_PTG_ES_ADD: 4608 if (tmp->add_ptg) 4609 xlt1++; 4610 if (tmp->add_prof) 4611 es++; 4612 break; 4613 case ICE_TCAM_ADD: 4614 tcam++; 4615 break; 4616 case ICE_VSIG_ADD: 4617 case ICE_VSI_MOVE: 4618 case ICE_VSIG_REM: 4619 xlt2++; 4620 break; 4621 default: 4622 break; 4623 } 4624 } 4625 sects = xlt1 + xlt2 + tcam + es; 4626 4627 if (!sects) 4628 return ICE_SUCCESS; 4629 4630 /* Build update package buffer */ 4631 b = ice_pkg_buf_alloc(hw); 4632 if (!b) 4633 return ICE_ERR_NO_MEMORY; 4634 4635 status = ice_pkg_buf_reserve_section(b, sects); 4636 if (status) 4637 goto error_tmp; 4638 4639 /* Preserve order of table update: ES, TCAM, PTG, VSIG */ 4640 if (es) { 4641 status = ice_prof_bld_es(hw, blk, b, chgs); 4642 if (status) 4643 goto error_tmp; 4644 } 4645 4646 if (tcam) { 4647 status = ice_prof_bld_tcam(hw, blk, b, chgs); 4648 if (status) 4649 goto error_tmp; 4650 } 4651 4652 if (xlt1) { 4653 status = ice_prof_bld_xlt1(blk, b, chgs); 4654 if (status) 4655 goto error_tmp; 4656 } 4657 4658 if (xlt2) { 4659 status = ice_prof_bld_xlt2(blk, b, chgs); 4660 if (status) 4661 goto error_tmp; 4662 } 4663 4664 /* After package buffer build check if the section count in buffer is 4665 * non-zero and matches the number of sections detected for package 4666 * update. 4667 */ 4668 pkg_sects = ice_pkg_buf_get_active_sections(b); 4669 if (!pkg_sects || pkg_sects != sects) { 4670 status = ICE_ERR_INVAL_SIZE; 4671 goto error_tmp; 4672 } 4673 4674 /* update package */ 4675 status = ice_update_pkg(hw, ice_pkg_buf(b), 1); 4676 if (status == ICE_ERR_AQ_ERROR) 4677 ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile\n"); 4678 4679 error_tmp: 4680 ice_pkg_buf_free(hw, b); 4681 return status; 4682 } 4683 4684 /** 4685 * ice_update_fd_mask - set Flow Director Field Vector mask for a profile 4686 * @hw: pointer to the HW struct 4687 * @prof_id: profile ID 4688 * @mask_sel: mask select 4689 * 4690 * This function enable any of the masks selected by the mask select parameter 4691 * for the profile specified. 4692 */ 4693 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel) 4694 { 4695 wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel); 4696 4697 ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id, 4698 GLQF_FDMASK_SEL(prof_id), mask_sel); 4699 } 4700 4701 struct ice_fd_src_dst_pair { 4702 u8 prot_id; 4703 u8 count; 4704 u16 off; 4705 }; 4706 4707 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = { 4708 /* These are defined in pairs */ 4709 { ICE_PROT_IPV4_OF_OR_S, 2, 12 }, 4710 { ICE_PROT_IPV4_OF_OR_S, 2, 16 }, 4711 4712 { ICE_PROT_IPV4_IL, 2, 12 }, 4713 { ICE_PROT_IPV4_IL, 2, 16 }, 4714 4715 { ICE_PROT_IPV6_OF_OR_S, 8, 8 }, 4716 { ICE_PROT_IPV6_OF_OR_S, 8, 24 }, 4717 4718 { ICE_PROT_IPV6_IL, 8, 8 }, 4719 { ICE_PROT_IPV6_IL, 8, 24 }, 4720 4721 { ICE_PROT_TCP_IL, 1, 0 }, 4722 { ICE_PROT_TCP_IL, 1, 2 }, 4723 4724 { ICE_PROT_UDP_OF, 1, 0 }, 4725 { ICE_PROT_UDP_OF, 1, 2 }, 4726 4727 { ICE_PROT_UDP_IL_OR_S, 1, 0 }, 4728 { ICE_PROT_UDP_IL_OR_S, 1, 2 }, 4729 4730 { ICE_PROT_SCTP_IL, 1, 0 }, 4731 { ICE_PROT_SCTP_IL, 1, 2 } 4732 }; 4733 4734 #define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs) 4735 4736 /** 4737 * ice_update_fd_swap - set register appropriately for a FD FV extraction 4738 * @hw: pointer to the HW struct 4739 * @prof_id: profile ID 4740 * @es: extraction sequence (length of array is determined by the block) 4741 */ 4742 static enum ice_status 4743 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) 4744 { 4745 ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); 4746 u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 }; 4747 #define ICE_FD_FV_NOT_FOUND (-2) 4748 s8 first_free = ICE_FD_FV_NOT_FOUND; 4749 u8 used[ICE_MAX_FV_WORDS] = { 0 }; 4750 s8 orig_free, si; 4751 u32 mask_sel = 0; 4752 u8 i, j, k; 4753 4754 ice_zero_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); 4755 4756 /* This code assumes that the Flow Director field vectors are assigned 4757 * from the end of the FV indexes working towards the zero index, that 4758 * only complete fields will be included and will be consecutive, and 4759 * that there are no gaps between valid indexes. 4760 */ 4761 4762 /* Determine swap fields present */ 4763 for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) { 4764 /* Find the first free entry, assuming right to left population. 4765 * This is where we can start adding additional pairs if needed. 4766 */ 4767 if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id != 4768 ICE_PROT_INVALID) 4769 first_free = i - 1; 4770 4771 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) 4772 if (es[i].prot_id == ice_fd_pairs[j].prot_id && 4773 es[i].off == ice_fd_pairs[j].off) { 4774 ice_set_bit(j, pair_list); 4775 pair_start[j] = i; 4776 } 4777 } 4778 4779 orig_free = first_free; 4780 4781 /* determine missing swap fields that need to be added */ 4782 for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) { 4783 u8 bit1 = ice_is_bit_set(pair_list, i + 1); 4784 u8 bit0 = ice_is_bit_set(pair_list, i); 4785 4786 if (bit0 ^ bit1) { 4787 u8 index; 4788 4789 /* add the appropriate 'paired' entry */ 4790 if (!bit0) 4791 index = i; 4792 else 4793 index = i + 1; 4794 4795 /* check for room */ 4796 if (first_free + 1 < (s8)ice_fd_pairs[index].count) 4797 return ICE_ERR_MAX_LIMIT; 4798 4799 /* place in extraction sequence */ 4800 for (k = 0; k < ice_fd_pairs[index].count; k++) { 4801 es[first_free - k].prot_id = 4802 ice_fd_pairs[index].prot_id; 4803 es[first_free - k].off = 4804 ice_fd_pairs[index].off + (k * 2); 4805 4806 if (k > first_free) 4807 return ICE_ERR_OUT_OF_RANGE; 4808 4809 /* keep track of non-relevant fields */ 4810 mask_sel |= BIT(first_free - k); 4811 } 4812 4813 pair_start[index] = first_free; 4814 first_free -= ice_fd_pairs[index].count; 4815 } 4816 } 4817 4818 /* fill in the swap array */ 4819 si = hw->blk[ICE_BLK_FD].es.fvw - 1; 4820 while (si >= 0) { 4821 u8 indexes_used = 1; 4822 4823 /* assume flat at this index */ 4824 #define ICE_SWAP_VALID 0x80 4825 used[si] = si | ICE_SWAP_VALID; 4826 4827 if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) { 4828 si -= indexes_used; 4829 continue; 4830 } 4831 4832 /* check for a swap location */ 4833 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) 4834 if (es[si].prot_id == ice_fd_pairs[j].prot_id && 4835 es[si].off == ice_fd_pairs[j].off) { 4836 u8 idx; 4837 4838 /* determine the appropriate matching field */ 4839 idx = j + ((j % 2) ? -1 : 1); 4840 4841 indexes_used = ice_fd_pairs[idx].count; 4842 for (k = 0; k < indexes_used; k++) { 4843 used[si - k] = (pair_start[idx] - k) | 4844 ICE_SWAP_VALID; 4845 } 4846 4847 break; 4848 } 4849 4850 si -= indexes_used; 4851 } 4852 4853 /* for each set of 4 swap and 4 inset indexes, write the appropriate 4854 * register 4855 */ 4856 for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) { 4857 u32 raw_swap = 0; 4858 u32 raw_in = 0; 4859 4860 for (k = 0; k < 4; k++) { 4861 u8 idx; 4862 4863 idx = (j * 4) + k; 4864 if (used[idx] && !(mask_sel & BIT(idx))) { 4865 raw_swap |= used[idx] << (k * BITS_PER_BYTE); 4866 #define ICE_INSET_DFLT 0x9f 4867 raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE); 4868 } 4869 } 4870 4871 /* write the appropriate swap register set */ 4872 wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap); 4873 4874 ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n", 4875 prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap); 4876 4877 /* write the appropriate inset register set */ 4878 wr32(hw, GLQF_FDINSET(prof_id, j), raw_in); 4879 4880 ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n", 4881 prof_id, j, GLQF_FDINSET(prof_id, j), raw_in); 4882 } 4883 4884 /* initially clear the mask select for this profile */ 4885 ice_update_fd_mask(hw, prof_id, 0); 4886 4887 return ICE_SUCCESS; 4888 } 4889 4890 /* The entries here needs to match the order of enum ice_ptype_attrib */ 4891 static const struct ice_ptype_attrib_info ice_ptype_attributes[] = { 4892 { ICE_GTP_PDU_EH, ICE_GTP_PDU_FLAG_MASK }, 4893 { ICE_GTP_SESSION, ICE_GTP_FLAGS_MASK }, 4894 { ICE_GTP_DOWNLINK, ICE_GTP_FLAGS_MASK }, 4895 { ICE_GTP_UPLINK, ICE_GTP_FLAGS_MASK }, 4896 }; 4897 4898 /** 4899 * ice_get_ptype_attrib_info - get ptype attribute information 4900 * @type: attribute type 4901 * @info: pointer to variable to the attribute information 4902 */ 4903 static void 4904 ice_get_ptype_attrib_info(enum ice_ptype_attrib_type type, 4905 struct ice_ptype_attrib_info *info) 4906 { 4907 *info = ice_ptype_attributes[type]; 4908 } 4909 4910 /** 4911 * ice_add_prof_attrib - add any PTG with attributes to profile 4912 * @prof: pointer to the profile to which PTG entries will be added 4913 * @ptg: PTG to be added 4914 * @ptype: PTYPE that needs to be looked up 4915 * @attr: array of attributes that will be considered 4916 * @attr_cnt: number of elements in the attribute array 4917 */ 4918 static enum ice_status 4919 ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype, 4920 const struct ice_ptype_attributes *attr, u16 attr_cnt) 4921 { 4922 bool found = false; 4923 u16 i; 4924 4925 for (i = 0; i < attr_cnt; i++) { 4926 if (attr[i].ptype == ptype) { 4927 found = true; 4928 4929 prof->ptg[prof->ptg_cnt] = ptg; 4930 ice_get_ptype_attrib_info(attr[i].attrib, 4931 &prof->attr[prof->ptg_cnt]); 4932 4933 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) 4934 return ICE_ERR_MAX_LIMIT; 4935 } 4936 } 4937 4938 if (!found) 4939 return ICE_ERR_DOES_NOT_EXIST; 4940 4941 return ICE_SUCCESS; 4942 } 4943 4944 /** 4945 * ice_add_prof - add profile 4946 * @hw: pointer to the HW struct 4947 * @blk: hardware block 4948 * @id: profile tracking ID 4949 * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits) 4950 * @attr: array of attributes 4951 * @attr_cnt: number of elements in attrib array 4952 * @es: extraction sequence (length of array is determined by the block) 4953 * @masks: mask for extraction sequence 4954 * 4955 * This function registers a profile, which matches a set of PTYPES with a 4956 * particular extraction sequence. While the hardware profile is allocated 4957 * it will not be written until the first call to ice_add_flow that specifies 4958 * the ID value used here. 4959 */ 4960 enum ice_status 4961 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], 4962 const struct ice_ptype_attributes *attr, u16 attr_cnt, 4963 struct ice_fv_word *es, u16 *masks) 4964 { 4965 u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE); 4966 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT); 4967 struct ice_prof_map *prof; 4968 enum ice_status status; 4969 u8 byte = 0; 4970 u8 prof_id; 4971 4972 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT); 4973 4974 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 4975 4976 /* search for existing profile */ 4977 status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id); 4978 if (status) { 4979 /* allocate profile ID */ 4980 status = ice_alloc_prof_id(hw, blk, &prof_id); 4981 if (status) 4982 goto err_ice_add_prof; 4983 if (blk == ICE_BLK_FD) { 4984 /* For Flow Director block, the extraction sequence may 4985 * need to be altered in the case where there are paired 4986 * fields that have no match. This is necessary because 4987 * for Flow Director, src and dest fields need to paired 4988 * for filter programming and these values are swapped 4989 * during Tx. 4990 */ 4991 status = ice_update_fd_swap(hw, prof_id, es); 4992 if (status) 4993 goto err_ice_add_prof; 4994 } 4995 status = ice_update_prof_masking(hw, blk, prof_id, masks); 4996 if (status) 4997 goto err_ice_add_prof; 4998 4999 /* and write new es */ 5000 ice_write_es(hw, blk, prof_id, es); 5001 } 5002 5003 ice_prof_inc_ref(hw, blk, prof_id); 5004 5005 /* add profile info */ 5006 5007 prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof)); 5008 if (!prof) 5009 goto err_ice_add_prof; 5010 5011 prof->profile_cookie = id; 5012 prof->prof_id = prof_id; 5013 prof->ptg_cnt = 0; 5014 prof->context = 0; 5015 5016 /* build list of ptgs */ 5017 while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) { 5018 u8 bit; 5019 5020 if (!ptypes[byte]) { 5021 bytes--; 5022 byte++; 5023 continue; 5024 } 5025 5026 /* Examine 8 bits per byte */ 5027 ice_for_each_set_bit(bit, (ice_bitmap_t *)&ptypes[byte], 5028 BITS_PER_BYTE) { 5029 u16 ptype; 5030 u8 ptg; 5031 5032 ptype = byte * BITS_PER_BYTE + bit; 5033 5034 /* The package should place all ptypes in a non-zero 5035 * PTG, so the following call should never fail. 5036 */ 5037 if (ice_ptg_find_ptype(hw, blk, ptype, &ptg)) 5038 continue; 5039 5040 /* If PTG is already added, skip and continue */ 5041 if (ice_is_bit_set(ptgs_used, ptg)) 5042 continue; 5043 5044 ice_set_bit(ptg, ptgs_used); 5045 /* Check to see there are any attributes for this 5046 * ptype, and add them if found. 5047 */ 5048 status = ice_add_prof_attrib(prof, ptg, ptype, attr, 5049 attr_cnt); 5050 if (status == ICE_ERR_MAX_LIMIT) 5051 break; 5052 if (status) { 5053 /* This is simple a ptype/PTG with no 5054 * attribute 5055 */ 5056 prof->ptg[prof->ptg_cnt] = ptg; 5057 prof->attr[prof->ptg_cnt].flags = 0; 5058 prof->attr[prof->ptg_cnt].mask = 0; 5059 5060 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) 5061 break; 5062 } 5063 } 5064 5065 bytes--; 5066 byte++; 5067 } 5068 5069 LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map); 5070 status = ICE_SUCCESS; 5071 5072 err_ice_add_prof: 5073 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5074 return status; 5075 } 5076 5077 /** 5078 * ice_search_prof_id - Search for a profile tracking ID 5079 * @hw: pointer to the HW struct 5080 * @blk: hardware block 5081 * @id: profile tracking ID 5082 * 5083 * This will search for a profile tracking ID which was previously added. 5084 * The profile map lock should be held before calling this function. 5085 */ 5086 struct ice_prof_map * 5087 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id) 5088 { 5089 struct ice_prof_map *entry = NULL; 5090 struct ice_prof_map *map; 5091 5092 LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map, list) 5093 if (map->profile_cookie == id) { 5094 entry = map; 5095 break; 5096 } 5097 5098 return entry; 5099 } 5100 5101 /** 5102 * ice_vsig_prof_id_count - count profiles in a VSIG 5103 * @hw: pointer to the HW struct 5104 * @blk: hardware block 5105 * @vsig: VSIG to remove the profile from 5106 */ 5107 static u16 5108 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig) 5109 { 5110 u16 idx = vsig & ICE_VSIG_IDX_M, count = 0; 5111 struct ice_vsig_prof *p; 5112 5113 LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5114 ice_vsig_prof, list) 5115 count++; 5116 5117 return count; 5118 } 5119 5120 /** 5121 * ice_rel_tcam_idx - release a TCAM index 5122 * @hw: pointer to the HW struct 5123 * @blk: hardware block 5124 * @idx: the index to release 5125 */ 5126 static enum ice_status 5127 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx) 5128 { 5129 /* Masks to invoke a never match entry */ 5130 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5131 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF }; 5132 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 }; 5133 enum ice_status status; 5134 5135 /* write the TCAM entry */ 5136 status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk, 5137 dc_msk, nm_msk); 5138 if (status) 5139 return status; 5140 5141 /* release the TCAM entry */ 5142 status = ice_free_tcam_ent(hw, blk, idx); 5143 5144 return status; 5145 } 5146 5147 /** 5148 * ice_rem_prof_id - remove one profile from a VSIG 5149 * @hw: pointer to the HW struct 5150 * @blk: hardware block 5151 * @prof: pointer to profile structure to remove 5152 */ 5153 static enum ice_status 5154 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk, 5155 struct ice_vsig_prof *prof) 5156 { 5157 enum ice_status status; 5158 u16 i; 5159 5160 for (i = 0; i < prof->tcam_count; i++) 5161 if (prof->tcam[i].in_use) { 5162 prof->tcam[i].in_use = false; 5163 status = ice_rel_tcam_idx(hw, blk, 5164 prof->tcam[i].tcam_idx); 5165 if (status) 5166 return ICE_ERR_HW_TABLE; 5167 } 5168 5169 return ICE_SUCCESS; 5170 } 5171 5172 /** 5173 * ice_rem_vsig - remove VSIG 5174 * @hw: pointer to the HW struct 5175 * @blk: hardware block 5176 * @vsig: the VSIG to remove 5177 * @chg: the change list 5178 */ 5179 static enum ice_status 5180 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5181 struct LIST_HEAD_TYPE *chg) 5182 { 5183 u16 idx = vsig & ICE_VSIG_IDX_M; 5184 struct ice_vsig_vsi *vsi_cur; 5185 struct ice_vsig_prof *d, *t; 5186 enum ice_status status; 5187 5188 /* remove TCAM entries */ 5189 LIST_FOR_EACH_ENTRY_SAFE(d, t, 5190 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5191 ice_vsig_prof, list) { 5192 status = ice_rem_prof_id(hw, blk, d); 5193 if (status) 5194 return status; 5195 5196 LIST_DEL(&d->list); 5197 ice_free(hw, d); 5198 } 5199 5200 /* Move all VSIS associated with this VSIG to the default VSIG */ 5201 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 5202 /* If the VSIG has at least 1 VSI then iterate through the list 5203 * and remove the VSIs before deleting the group. 5204 */ 5205 if (vsi_cur) 5206 do { 5207 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; 5208 struct ice_chs_chg *p; 5209 5210 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5211 if (!p) 5212 return ICE_ERR_NO_MEMORY; 5213 5214 p->type = ICE_VSIG_REM; 5215 p->orig_vsig = vsig; 5216 p->vsig = ICE_DEFAULT_VSIG; 5217 p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis; 5218 5219 LIST_ADD(&p->list_entry, chg); 5220 5221 vsi_cur = tmp; 5222 } while (vsi_cur); 5223 5224 return ice_vsig_free(hw, blk, vsig); 5225 } 5226 5227 /** 5228 * ice_rem_prof_id_vsig - remove a specific profile from a VSIG 5229 * @hw: pointer to the HW struct 5230 * @blk: hardware block 5231 * @vsig: VSIG to remove the profile from 5232 * @hdl: profile handle indicating which profile to remove 5233 * @chg: list to receive a record of changes 5234 */ 5235 static enum ice_status 5236 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, 5237 struct LIST_HEAD_TYPE *chg) 5238 { 5239 u16 idx = vsig & ICE_VSIG_IDX_M; 5240 struct ice_vsig_prof *p, *t; 5241 enum ice_status status; 5242 5243 LIST_FOR_EACH_ENTRY_SAFE(p, t, 5244 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5245 ice_vsig_prof, list) 5246 if (p->profile_cookie == hdl) { 5247 if (ice_vsig_prof_id_count(hw, blk, vsig) == 1) 5248 /* this is the last profile, remove the VSIG */ 5249 return ice_rem_vsig(hw, blk, vsig, chg); 5250 5251 status = ice_rem_prof_id(hw, blk, p); 5252 if (!status) { 5253 LIST_DEL(&p->list); 5254 ice_free(hw, p); 5255 } 5256 return status; 5257 } 5258 5259 return ICE_ERR_DOES_NOT_EXIST; 5260 } 5261 5262 /** 5263 * ice_rem_flow_all - remove all flows with a particular profile 5264 * @hw: pointer to the HW struct 5265 * @blk: hardware block 5266 * @id: profile tracking ID 5267 */ 5268 static enum ice_status 5269 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id) 5270 { 5271 struct ice_chs_chg *del, *tmp; 5272 struct LIST_HEAD_TYPE chg; 5273 enum ice_status status; 5274 u16 i; 5275 5276 INIT_LIST_HEAD(&chg); 5277 5278 for (i = 1; i < ICE_MAX_VSIGS; i++) 5279 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) { 5280 if (ice_has_prof_vsig(hw, blk, i, id)) { 5281 status = ice_rem_prof_id_vsig(hw, blk, i, id, 5282 &chg); 5283 if (status) 5284 goto err_ice_rem_flow_all; 5285 } 5286 } 5287 5288 status = ice_upd_prof_hw(hw, blk, &chg); 5289 5290 err_ice_rem_flow_all: 5291 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 5292 LIST_DEL(&del->list_entry); 5293 ice_free(hw, del); 5294 } 5295 5296 return status; 5297 } 5298 5299 /** 5300 * ice_rem_prof - remove profile 5301 * @hw: pointer to the HW struct 5302 * @blk: hardware block 5303 * @id: profile tracking ID 5304 * 5305 * This will remove the profile specified by the ID parameter, which was 5306 * previously created through ice_add_prof. If any existing entries 5307 * are associated with this profile, they will be removed as well. 5308 */ 5309 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id) 5310 { 5311 struct ice_prof_map *pmap; 5312 enum ice_status status; 5313 5314 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5315 5316 pmap = ice_search_prof_id(hw, blk, id); 5317 if (!pmap) { 5318 status = ICE_ERR_DOES_NOT_EXIST; 5319 goto err_ice_rem_prof; 5320 } 5321 5322 /* remove all flows with this profile */ 5323 status = ice_rem_flow_all(hw, blk, pmap->profile_cookie); 5324 if (status) 5325 goto err_ice_rem_prof; 5326 5327 /* dereference profile, and possibly remove */ 5328 ice_prof_dec_ref(hw, blk, pmap->prof_id); 5329 5330 LIST_DEL(&pmap->list); 5331 ice_free(hw, pmap); 5332 5333 err_ice_rem_prof: 5334 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5335 return status; 5336 } 5337 5338 /** 5339 * ice_get_prof - get profile 5340 * @hw: pointer to the HW struct 5341 * @blk: hardware block 5342 * @hdl: profile handle 5343 * @chg: change list 5344 */ 5345 static enum ice_status 5346 ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl, 5347 struct LIST_HEAD_TYPE *chg) 5348 { 5349 enum ice_status status = ICE_SUCCESS; 5350 struct ice_prof_map *map; 5351 struct ice_chs_chg *p; 5352 u16 i; 5353 5354 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5355 /* Get the details on the profile specified by the handle ID */ 5356 map = ice_search_prof_id(hw, blk, hdl); 5357 if (!map) { 5358 status = ICE_ERR_DOES_NOT_EXIST; 5359 goto err_ice_get_prof; 5360 } 5361 5362 for (i = 0; i < map->ptg_cnt; i++) 5363 if (!hw->blk[blk].es.written[map->prof_id]) { 5364 /* add ES to change list */ 5365 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5366 if (!p) { 5367 status = ICE_ERR_NO_MEMORY; 5368 goto err_ice_get_prof; 5369 } 5370 5371 p->type = ICE_PTG_ES_ADD; 5372 p->ptype = 0; 5373 p->ptg = map->ptg[i]; 5374 p->attr = map->attr[i]; 5375 p->add_ptg = 0; 5376 5377 p->add_prof = 1; 5378 p->prof_id = map->prof_id; 5379 5380 hw->blk[blk].es.written[map->prof_id] = true; 5381 5382 LIST_ADD(&p->list_entry, chg); 5383 } 5384 5385 err_ice_get_prof: 5386 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5387 /* let caller clean up the change list */ 5388 return status; 5389 } 5390 5391 /** 5392 * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG 5393 * @hw: pointer to the HW struct 5394 * @blk: hardware block 5395 * @vsig: VSIG from which to copy the list 5396 * @lst: output list 5397 * 5398 * This routine makes a copy of the list of profiles in the specified VSIG. 5399 */ 5400 static enum ice_status 5401 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5402 struct LIST_HEAD_TYPE *lst) 5403 { 5404 struct ice_vsig_prof *ent1, *ent2; 5405 u16 idx = vsig & ICE_VSIG_IDX_M; 5406 5407 LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5408 ice_vsig_prof, list) { 5409 struct ice_vsig_prof *p; 5410 5411 /* copy to the input list */ 5412 p = (struct ice_vsig_prof *)ice_memdup(hw, ent1, sizeof(*p), 5413 ICE_NONDMA_TO_NONDMA); 5414 if (!p) 5415 goto err_ice_get_profs_vsig; 5416 5417 LIST_ADD_TAIL(&p->list, lst); 5418 } 5419 5420 return ICE_SUCCESS; 5421 5422 err_ice_get_profs_vsig: 5423 LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) { 5424 LIST_DEL(&ent1->list); 5425 ice_free(hw, ent1); 5426 } 5427 5428 return ICE_ERR_NO_MEMORY; 5429 } 5430 5431 /** 5432 * ice_add_prof_to_lst - add profile entry to a list 5433 * @hw: pointer to the HW struct 5434 * @blk: hardware block 5435 * @lst: the list to be added to 5436 * @hdl: profile handle of entry to add 5437 */ 5438 static enum ice_status 5439 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk, 5440 struct LIST_HEAD_TYPE *lst, u64 hdl) 5441 { 5442 enum ice_status status = ICE_SUCCESS; 5443 struct ice_prof_map *map; 5444 struct ice_vsig_prof *p; 5445 u16 i; 5446 5447 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5448 map = ice_search_prof_id(hw, blk, hdl); 5449 if (!map) { 5450 status = ICE_ERR_DOES_NOT_EXIST; 5451 goto err_ice_add_prof_to_lst; 5452 } 5453 5454 p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p)); 5455 if (!p) { 5456 status = ICE_ERR_NO_MEMORY; 5457 goto err_ice_add_prof_to_lst; 5458 } 5459 5460 p->profile_cookie = map->profile_cookie; 5461 p->prof_id = map->prof_id; 5462 p->tcam_count = map->ptg_cnt; 5463 5464 for (i = 0; i < map->ptg_cnt; i++) { 5465 p->tcam[i].prof_id = map->prof_id; 5466 p->tcam[i].tcam_idx = ICE_INVALID_TCAM; 5467 p->tcam[i].ptg = map->ptg[i]; 5468 p->tcam[i].attr = map->attr[i]; 5469 } 5470 5471 LIST_ADD(&p->list, lst); 5472 5473 err_ice_add_prof_to_lst: 5474 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5475 return status; 5476 } 5477 5478 /** 5479 * ice_move_vsi - move VSI to another VSIG 5480 * @hw: pointer to the HW struct 5481 * @blk: hardware block 5482 * @vsi: the VSI to move 5483 * @vsig: the VSIG to move the VSI to 5484 * @chg: the change list 5485 */ 5486 static enum ice_status 5487 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig, 5488 struct LIST_HEAD_TYPE *chg) 5489 { 5490 enum ice_status status; 5491 struct ice_chs_chg *p; 5492 u16 orig_vsig; 5493 5494 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5495 if (!p) 5496 return ICE_ERR_NO_MEMORY; 5497 5498 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); 5499 if (!status) 5500 status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig); 5501 5502 if (status) { 5503 ice_free(hw, p); 5504 return status; 5505 } 5506 5507 p->type = ICE_VSI_MOVE; 5508 p->vsi = vsi; 5509 p->orig_vsig = orig_vsig; 5510 p->vsig = vsig; 5511 5512 LIST_ADD(&p->list_entry, chg); 5513 5514 return ICE_SUCCESS; 5515 } 5516 5517 /** 5518 * ice_set_tcam_flags - set TCAM flag don't care mask 5519 * @mask: mask for flags 5520 * @dc_mask: pointer to the don't care mask 5521 */ 5522 static void ice_set_tcam_flags(u16 mask, u8 dc_mask[ICE_TCAM_KEY_VAL_SZ]) 5523 { 5524 u16 *flag_word; 5525 5526 /* flags are lowest u16 */ 5527 flag_word = (u16 *)dc_mask; 5528 *flag_word = ~mask; 5529 } 5530 5531 /** 5532 * ice_rem_chg_tcam_ent - remove a specific TCAM entry from change list 5533 * @hw: pointer to the HW struct 5534 * @idx: the index of the TCAM entry to remove 5535 * @chg: the list of change structures to search 5536 */ 5537 static void 5538 ice_rem_chg_tcam_ent(struct ice_hw *hw, u16 idx, struct LIST_HEAD_TYPE *chg) 5539 { 5540 struct ice_chs_chg *pos, *tmp; 5541 5542 LIST_FOR_EACH_ENTRY_SAFE(tmp, pos, chg, ice_chs_chg, list_entry) 5543 if (tmp->type == ICE_TCAM_ADD && tmp->tcam_idx == idx) { 5544 LIST_DEL(&tmp->list_entry); 5545 ice_free(hw, tmp); 5546 } 5547 } 5548 5549 /** 5550 * ice_prof_tcam_ena_dis - add enable or disable TCAM change 5551 * @hw: pointer to the HW struct 5552 * @blk: hardware block 5553 * @enable: true to enable, false to disable 5554 * @vsig: the VSIG of the TCAM entry 5555 * @tcam: pointer the TCAM info structure of the TCAM to disable 5556 * @chg: the change list 5557 * 5558 * This function appends an enable or disable TCAM entry in the change log 5559 */ 5560 static enum ice_status 5561 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, 5562 u16 vsig, struct ice_tcam_inf *tcam, 5563 struct LIST_HEAD_TYPE *chg) 5564 { 5565 enum ice_status status; 5566 struct ice_chs_chg *p; 5567 5568 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5569 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; 5570 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; 5571 5572 /* if disabling, free the TCAM */ 5573 if (!enable) { 5574 status = ice_rel_tcam_idx(hw, blk, tcam->tcam_idx); 5575 5576 /* if we have already created a change for this TCAM entry, then 5577 * we need to remove that entry, in order to prevent writing to 5578 * a TCAM entry we no longer will have ownership of. 5579 */ 5580 ice_rem_chg_tcam_ent(hw, tcam->tcam_idx, chg); 5581 tcam->tcam_idx = 0; 5582 tcam->in_use = 0; 5583 return status; 5584 } 5585 5586 /* for re-enabling, reallocate a TCAM */ 5587 /* for entries with empty attribute masks, allocate entry from 5588 * the bottom of the TCAM table; otherwise, allocate from the 5589 * top of the table in order to give it higher priority 5590 */ 5591 status = ice_alloc_tcam_ent(hw, blk, tcam->attr.mask == 0, 5592 &tcam->tcam_idx); 5593 if (status) 5594 return status; 5595 5596 /* add TCAM to change list */ 5597 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5598 if (!p) 5599 return ICE_ERR_NO_MEMORY; 5600 5601 /* set don't care masks for TCAM flags */ 5602 ice_set_tcam_flags(tcam->attr.mask, dc_msk); 5603 5604 status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id, 5605 tcam->ptg, vsig, 0, tcam->attr.flags, 5606 vl_msk, dc_msk, nm_msk); 5607 if (status) 5608 goto err_ice_prof_tcam_ena_dis; 5609 5610 tcam->in_use = 1; 5611 5612 p->type = ICE_TCAM_ADD; 5613 p->add_tcam_idx = true; 5614 p->prof_id = tcam->prof_id; 5615 p->ptg = tcam->ptg; 5616 p->vsig = 0; 5617 p->tcam_idx = tcam->tcam_idx; 5618 5619 /* log change */ 5620 LIST_ADD(&p->list_entry, chg); 5621 5622 return ICE_SUCCESS; 5623 5624 err_ice_prof_tcam_ena_dis: 5625 ice_free(hw, p); 5626 return status; 5627 } 5628 5629 /** 5630 * ice_ptg_attr_in_use - determine if PTG and attribute pair is in use 5631 * @ptg_attr: pointer to the PTG and attribute pair to check 5632 * @ptgs_used: bitmap that denotes which PTGs are in use 5633 * @attr_used: array of PTG and attributes pairs already used 5634 * @attr_cnt: count of entries in the attr_used array 5635 */ 5636 static bool 5637 ice_ptg_attr_in_use(struct ice_tcam_inf *ptg_attr, ice_bitmap_t *ptgs_used, 5638 struct ice_tcam_inf *attr_used[], u16 attr_cnt) 5639 { 5640 u16 i; 5641 5642 if (!ice_is_bit_set(ptgs_used, ptg_attr->ptg)) 5643 return false; 5644 5645 /* the PTG is used, so now look for correct attributes */ 5646 for (i = 0; i < attr_cnt; i++) 5647 if (attr_used[i]->ptg == ptg_attr->ptg && 5648 attr_used[i]->attr.flags == ptg_attr->attr.flags && 5649 attr_used[i]->attr.mask == ptg_attr->attr.mask) 5650 return true; 5651 5652 return false; 5653 } 5654 5655 /** 5656 * ice_adj_prof_priorities - adjust profile based on priorities 5657 * @hw: pointer to the HW struct 5658 * @blk: hardware block 5659 * @vsig: the VSIG for which to adjust profile priorities 5660 * @chg: the change list 5661 */ 5662 static enum ice_status 5663 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5664 struct LIST_HEAD_TYPE *chg) 5665 { 5666 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT); 5667 struct ice_tcam_inf **attr_used; 5668 enum ice_status status = ICE_SUCCESS; 5669 struct ice_vsig_prof *t; 5670 u16 attr_used_cnt = 0; 5671 u16 idx; 5672 5673 #define ICE_MAX_PTG_ATTRS 1024 5674 attr_used = (struct ice_tcam_inf **)ice_calloc(hw, ICE_MAX_PTG_ATTRS, 5675 sizeof(*attr_used)); 5676 if (!attr_used) 5677 return ICE_ERR_NO_MEMORY; 5678 5679 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT); 5680 idx = vsig & ICE_VSIG_IDX_M; 5681 5682 /* Priority is based on the order in which the profiles are added. The 5683 * newest added profile has highest priority and the oldest added 5684 * profile has the lowest priority. Since the profile property list for 5685 * a VSIG is sorted from newest to oldest, this code traverses the list 5686 * in order and enables the first of each PTG that it finds (that is not 5687 * already enabled); it also disables any duplicate PTGs that it finds 5688 * in the older profiles (that are currently enabled). 5689 */ 5690 5691 LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5692 ice_vsig_prof, list) { 5693 u16 i; 5694 5695 for (i = 0; i < t->tcam_count; i++) { 5696 bool used; 5697 5698 /* Scan the priorities from newest to oldest. 5699 * Make sure that the newest profiles take priority. 5700 */ 5701 used = ice_ptg_attr_in_use(&t->tcam[i], ptgs_used, 5702 attr_used, attr_used_cnt); 5703 5704 if (used && t->tcam[i].in_use) { 5705 /* need to mark this PTG as never match, as it 5706 * was already in use and therefore duplicate 5707 * (and lower priority) 5708 */ 5709 status = ice_prof_tcam_ena_dis(hw, blk, false, 5710 vsig, 5711 &t->tcam[i], 5712 chg); 5713 if (status) 5714 goto err_ice_adj_prof_priorities; 5715 } else if (!used && !t->tcam[i].in_use) { 5716 /* need to enable this PTG, as it in not in use 5717 * and not enabled (highest priority) 5718 */ 5719 status = ice_prof_tcam_ena_dis(hw, blk, true, 5720 vsig, 5721 &t->tcam[i], 5722 chg); 5723 if (status) 5724 goto err_ice_adj_prof_priorities; 5725 } 5726 5727 /* keep track of used ptgs */ 5728 ice_set_bit(t->tcam[i].ptg, ptgs_used); 5729 if (attr_used_cnt < ICE_MAX_PTG_ATTRS) 5730 attr_used[attr_used_cnt++] = &t->tcam[i]; 5731 else 5732 ice_debug(hw, ICE_DBG_INIT, "Warn: ICE_MAX_PTG_ATTRS exceeded\n"); 5733 } 5734 } 5735 5736 err_ice_adj_prof_priorities: 5737 ice_free(hw, attr_used); 5738 return status; 5739 } 5740 5741 /** 5742 * ice_add_prof_id_vsig - add profile to VSIG 5743 * @hw: pointer to the HW struct 5744 * @blk: hardware block 5745 * @vsig: the VSIG to which this profile is to be added 5746 * @hdl: the profile handle indicating the profile to add 5747 * @rev: true to add entries to the end of the list 5748 * @chg: the change list 5749 */ 5750 static enum ice_status 5751 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, 5752 bool rev, struct LIST_HEAD_TYPE *chg) 5753 { 5754 /* Masks that ignore flags */ 5755 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5756 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; 5757 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; 5758 enum ice_status status = ICE_SUCCESS; 5759 struct ice_prof_map *map; 5760 struct ice_vsig_prof *t; 5761 struct ice_chs_chg *p; 5762 u16 vsig_idx, i; 5763 5764 /* Error, if this VSIG already has this profile */ 5765 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) 5766 return ICE_ERR_ALREADY_EXISTS; 5767 5768 /* new VSIG profile structure */ 5769 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t)); 5770 if (!t) 5771 return ICE_ERR_NO_MEMORY; 5772 5773 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5774 /* Get the details on the profile specified by the handle ID */ 5775 map = ice_search_prof_id(hw, blk, hdl); 5776 if (!map) { 5777 status = ICE_ERR_DOES_NOT_EXIST; 5778 goto err_ice_add_prof_id_vsig; 5779 } 5780 5781 t->profile_cookie = map->profile_cookie; 5782 t->prof_id = map->prof_id; 5783 t->tcam_count = map->ptg_cnt; 5784 5785 /* create TCAM entries */ 5786 for (i = 0; i < map->ptg_cnt; i++) { 5787 u16 tcam_idx; 5788 5789 /* add TCAM to change list */ 5790 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5791 if (!p) { 5792 status = ICE_ERR_NO_MEMORY; 5793 goto err_ice_add_prof_id_vsig; 5794 } 5795 5796 /* allocate the TCAM entry index */ 5797 /* for entries with empty attribute masks, allocate entry from 5798 * the bottom of the TCAM table; otherwise, allocate from the 5799 * top of the table in order to give it higher priority 5800 */ 5801 status = ice_alloc_tcam_ent(hw, blk, map->attr[i].mask == 0, 5802 &tcam_idx); 5803 if (status) { 5804 ice_free(hw, p); 5805 goto err_ice_add_prof_id_vsig; 5806 } 5807 5808 t->tcam[i].ptg = map->ptg[i]; 5809 t->tcam[i].prof_id = map->prof_id; 5810 t->tcam[i].tcam_idx = tcam_idx; 5811 t->tcam[i].attr = map->attr[i]; 5812 t->tcam[i].in_use = true; 5813 5814 p->type = ICE_TCAM_ADD; 5815 p->add_tcam_idx = true; 5816 p->prof_id = t->tcam[i].prof_id; 5817 p->ptg = t->tcam[i].ptg; 5818 p->vsig = vsig; 5819 p->tcam_idx = t->tcam[i].tcam_idx; 5820 5821 /* set don't care masks for TCAM flags */ 5822 ice_set_tcam_flags(t->tcam[i].attr.mask, dc_msk); 5823 5824 /* write the TCAM entry */ 5825 status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx, 5826 t->tcam[i].prof_id, 5827 t->tcam[i].ptg, vsig, 0, 5828 t->tcam[i].attr.flags, vl_msk, 5829 dc_msk, nm_msk); 5830 if (status) { 5831 ice_free(hw, p); 5832 goto err_ice_add_prof_id_vsig; 5833 } 5834 5835 /* log change */ 5836 LIST_ADD(&p->list_entry, chg); 5837 } 5838 5839 /* add profile to VSIG */ 5840 vsig_idx = vsig & ICE_VSIG_IDX_M; 5841 if (rev) 5842 LIST_ADD_TAIL(&t->list, 5843 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); 5844 else 5845 LIST_ADD(&t->list, 5846 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); 5847 5848 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5849 return status; 5850 5851 err_ice_add_prof_id_vsig: 5852 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5853 /* let caller clean up the change list */ 5854 ice_free(hw, t); 5855 return status; 5856 } 5857 5858 /** 5859 * ice_create_prof_id_vsig - add a new VSIG with a single profile 5860 * @hw: pointer to the HW struct 5861 * @blk: hardware block 5862 * @vsi: the initial VSI that will be in VSIG 5863 * @hdl: the profile handle of the profile that will be added to the VSIG 5864 * @chg: the change list 5865 */ 5866 static enum ice_status 5867 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl, 5868 struct LIST_HEAD_TYPE *chg) 5869 { 5870 enum ice_status status; 5871 struct ice_chs_chg *p; 5872 u16 new_vsig; 5873 5874 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5875 if (!p) 5876 return ICE_ERR_NO_MEMORY; 5877 5878 new_vsig = ice_vsig_alloc(hw, blk); 5879 if (!new_vsig) { 5880 status = ICE_ERR_HW_TABLE; 5881 goto err_ice_create_prof_id_vsig; 5882 } 5883 5884 status = ice_move_vsi(hw, blk, vsi, new_vsig, chg); 5885 if (status) 5886 goto err_ice_create_prof_id_vsig; 5887 5888 status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, false, chg); 5889 if (status) 5890 goto err_ice_create_prof_id_vsig; 5891 5892 p->type = ICE_VSIG_ADD; 5893 p->vsi = vsi; 5894 p->orig_vsig = ICE_DEFAULT_VSIG; 5895 p->vsig = new_vsig; 5896 5897 LIST_ADD(&p->list_entry, chg); 5898 5899 return ICE_SUCCESS; 5900 5901 err_ice_create_prof_id_vsig: 5902 /* let caller clean up the change list */ 5903 ice_free(hw, p); 5904 return status; 5905 } 5906 5907 /** 5908 * ice_create_vsig_from_lst - create a new VSIG with a list of profiles 5909 * @hw: pointer to the HW struct 5910 * @blk: hardware block 5911 * @vsi: the initial VSI that will be in VSIG 5912 * @lst: the list of profile that will be added to the VSIG 5913 * @new_vsig: return of new VSIG 5914 * @chg: the change list 5915 */ 5916 static enum ice_status 5917 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi, 5918 struct LIST_HEAD_TYPE *lst, u16 *new_vsig, 5919 struct LIST_HEAD_TYPE *chg) 5920 { 5921 struct ice_vsig_prof *t; 5922 enum ice_status status; 5923 u16 vsig; 5924 5925 vsig = ice_vsig_alloc(hw, blk); 5926 if (!vsig) 5927 return ICE_ERR_HW_TABLE; 5928 5929 status = ice_move_vsi(hw, blk, vsi, vsig, chg); 5930 if (status) 5931 return status; 5932 5933 LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) { 5934 /* Reverse the order here since we are copying the list */ 5935 status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie, 5936 true, chg); 5937 if (status) 5938 return status; 5939 } 5940 5941 *new_vsig = vsig; 5942 5943 return ICE_SUCCESS; 5944 } 5945 5946 /** 5947 * ice_find_prof_vsig - find a VSIG with a specific profile handle 5948 * @hw: pointer to the HW struct 5949 * @blk: hardware block 5950 * @hdl: the profile handle of the profile to search for 5951 * @vsig: returns the VSIG with the matching profile 5952 */ 5953 static bool 5954 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig) 5955 { 5956 struct ice_vsig_prof *t; 5957 struct LIST_HEAD_TYPE lst; 5958 enum ice_status status; 5959 5960 INIT_LIST_HEAD(&lst); 5961 5962 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t)); 5963 if (!t) 5964 return false; 5965 5966 t->profile_cookie = hdl; 5967 LIST_ADD(&t->list, &lst); 5968 5969 status = ice_find_dup_props_vsig(hw, blk, &lst, vsig); 5970 5971 LIST_DEL(&t->list); 5972 ice_free(hw, t); 5973 5974 return status == ICE_SUCCESS; 5975 } 5976 5977 /** 5978 * ice_add_vsi_flow - add VSI flow 5979 * @hw: pointer to the HW struct 5980 * @blk: hardware block 5981 * @vsi: input VSI 5982 * @vsig: target VSIG to include the input VSI 5983 * 5984 * Calling this function will add the VSI to a given VSIG and 5985 * update the HW tables accordingly. This call can be used to 5986 * add multiple VSIs to a VSIG if we know beforehand that those 5987 * VSIs have the same characteristics of the VSIG. This will 5988 * save time in generating a new VSIG and TCAMs till a match is 5989 * found and subsequent rollback when a matching VSIG is found. 5990 */ 5991 enum ice_status 5992 ice_add_vsi_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 5993 { 5994 struct ice_chs_chg *tmp, *del; 5995 struct LIST_HEAD_TYPE chg; 5996 enum ice_status status; 5997 5998 /* if target VSIG is default the move is invalid */ 5999 if ((vsig & ICE_VSIG_IDX_M) == ICE_DEFAULT_VSIG) 6000 return ICE_ERR_PARAM; 6001 6002 INIT_LIST_HEAD(&chg); 6003 6004 /* move VSI to the VSIG that matches */ 6005 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6006 /* update hardware if success */ 6007 if (!status) 6008 status = ice_upd_prof_hw(hw, blk, &chg); 6009 6010 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 6011 LIST_DEL(&del->list_entry); 6012 ice_free(hw, del); 6013 } 6014 6015 return status; 6016 } 6017 6018 /** 6019 * ice_add_prof_id_flow - add profile flow 6020 * @hw: pointer to the HW struct 6021 * @blk: hardware block 6022 * @vsi: the VSI to enable with the profile specified by ID 6023 * @hdl: profile handle 6024 * 6025 * Calling this function will update the hardware tables to enable the 6026 * profile indicated by the ID parameter for the VSIs specified in the VSI 6027 * array. Once successfully called, the flow will be enabled. 6028 */ 6029 enum ice_status 6030 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) 6031 { 6032 struct ice_vsig_prof *tmp1, *del1; 6033 struct LIST_HEAD_TYPE union_lst; 6034 struct ice_chs_chg *tmp, *del; 6035 struct LIST_HEAD_TYPE chg; 6036 enum ice_status status; 6037 u16 vsig; 6038 6039 INIT_LIST_HEAD(&union_lst); 6040 INIT_LIST_HEAD(&chg); 6041 6042 /* Get profile */ 6043 status = ice_get_prof(hw, blk, hdl, &chg); 6044 if (status) 6045 return status; 6046 6047 /* determine if VSI is already part of a VSIG */ 6048 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig); 6049 if (!status && vsig) { 6050 bool only_vsi; 6051 u16 or_vsig; 6052 u16 ref; 6053 6054 /* found in VSIG */ 6055 or_vsig = vsig; 6056 6057 /* make sure that there is no overlap/conflict between the new 6058 * characteristics and the existing ones; we don't support that 6059 * scenario 6060 */ 6061 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) { 6062 status = ICE_ERR_ALREADY_EXISTS; 6063 goto err_ice_add_prof_id_flow; 6064 } 6065 6066 /* last VSI in the VSIG? */ 6067 status = ice_vsig_get_ref(hw, blk, vsig, &ref); 6068 if (status) 6069 goto err_ice_add_prof_id_flow; 6070 only_vsi = (ref == 1); 6071 6072 /* create a union of the current profiles and the one being 6073 * added 6074 */ 6075 status = ice_get_profs_vsig(hw, blk, vsig, &union_lst); 6076 if (status) 6077 goto err_ice_add_prof_id_flow; 6078 6079 status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl); 6080 if (status) 6081 goto err_ice_add_prof_id_flow; 6082 6083 /* search for an existing VSIG with an exact charc match */ 6084 status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig); 6085 if (!status) { 6086 /* move VSI to the VSIG that matches */ 6087 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6088 if (status) 6089 goto err_ice_add_prof_id_flow; 6090 6091 /* VSI has been moved out of or_vsig. If the or_vsig had 6092 * only that VSI it is now empty and can be removed. 6093 */ 6094 if (only_vsi) { 6095 status = ice_rem_vsig(hw, blk, or_vsig, &chg); 6096 if (status) 6097 goto err_ice_add_prof_id_flow; 6098 } 6099 } else if (only_vsi) { 6100 /* If the original VSIG only contains one VSI, then it 6101 * will be the requesting VSI. In this case the VSI is 6102 * not sharing entries and we can simply add the new 6103 * profile to the VSIG. 6104 */ 6105 status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, false, 6106 &chg); 6107 if (status) 6108 goto err_ice_add_prof_id_flow; 6109 6110 /* Adjust priorities */ 6111 status = ice_adj_prof_priorities(hw, blk, vsig, &chg); 6112 if (status) 6113 goto err_ice_add_prof_id_flow; 6114 } else { 6115 /* No match, so we need a new VSIG */ 6116 status = ice_create_vsig_from_lst(hw, blk, vsi, 6117 &union_lst, &vsig, 6118 &chg); 6119 if (status) 6120 goto err_ice_add_prof_id_flow; 6121 6122 /* Adjust priorities */ 6123 status = ice_adj_prof_priorities(hw, blk, vsig, &chg); 6124 if (status) 6125 goto err_ice_add_prof_id_flow; 6126 } 6127 } else { 6128 /* need to find or add a VSIG */ 6129 /* search for an existing VSIG with an exact charc match */ 6130 if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) { 6131 /* found an exact match */ 6132 /* add or move VSI to the VSIG that matches */ 6133 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6134 if (status) 6135 goto err_ice_add_prof_id_flow; 6136 } else { 6137 /* we did not find an exact match */ 6138 /* we need to add a VSIG */ 6139 status = ice_create_prof_id_vsig(hw, blk, vsi, hdl, 6140 &chg); 6141 if (status) 6142 goto err_ice_add_prof_id_flow; 6143 } 6144 } 6145 6146 /* update hardware */ 6147 if (!status) 6148 status = ice_upd_prof_hw(hw, blk, &chg); 6149 6150 err_ice_add_prof_id_flow: 6151 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 6152 LIST_DEL(&del->list_entry); 6153 ice_free(hw, del); 6154 } 6155 6156 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) { 6157 LIST_DEL(&del1->list); 6158 ice_free(hw, del1); 6159 } 6160 6161 return status; 6162 } 6163 6164 /** 6165 * ice_rem_prof_from_list - remove a profile from list 6166 * @hw: pointer to the HW struct 6167 * @lst: list to remove the profile from 6168 * @hdl: the profile handle indicating the profile to remove 6169 */ 6170 static enum ice_status 6171 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl) 6172 { 6173 struct ice_vsig_prof *ent, *tmp; 6174 6175 LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list) 6176 if (ent->profile_cookie == hdl) { 6177 LIST_DEL(&ent->list); 6178 ice_free(hw, ent); 6179 return ICE_SUCCESS; 6180 } 6181 6182 return ICE_ERR_DOES_NOT_EXIST; 6183 } 6184 6185 /** 6186 * ice_rem_prof_id_flow - remove flow 6187 * @hw: pointer to the HW struct 6188 * @blk: hardware block 6189 * @vsi: the VSI from which to remove the profile specified by ID 6190 * @hdl: profile tracking handle 6191 * 6192 * Calling this function will update the hardware tables to remove the 6193 * profile indicated by the ID parameter for the VSIs specified in the VSI 6194 * array. Once successfully called, the flow will be disabled. 6195 */ 6196 enum ice_status 6197 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) 6198 { 6199 struct ice_vsig_prof *tmp1, *del1; 6200 struct LIST_HEAD_TYPE chg, copy; 6201 struct ice_chs_chg *tmp, *del; 6202 enum ice_status status; 6203 u16 vsig; 6204 6205 INIT_LIST_HEAD(©); 6206 INIT_LIST_HEAD(&chg); 6207 6208 /* determine if VSI is already part of a VSIG */ 6209 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig); 6210 if (!status && vsig) { 6211 bool last_profile; 6212 bool only_vsi; 6213 u16 ref; 6214 6215 /* found in VSIG */ 6216 last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1; 6217 status = ice_vsig_get_ref(hw, blk, vsig, &ref); 6218 if (status) 6219 goto err_ice_rem_prof_id_flow; 6220 only_vsi = (ref == 1); 6221 6222 if (only_vsi) { 6223 /* If the original VSIG only contains one reference, 6224 * which will be the requesting VSI, then the VSI is not 6225 * sharing entries and we can simply remove the specific 6226 * characteristics from the VSIG. 6227 */ 6228 6229 if (last_profile) { 6230 /* If there are no profiles left for this VSIG, 6231 * then simply remove the VSIG. 6232 */ 6233 status = ice_rem_vsig(hw, blk, vsig, &chg); 6234 if (status) 6235 goto err_ice_rem_prof_id_flow; 6236 } else { 6237 status = ice_rem_prof_id_vsig(hw, blk, vsig, 6238 hdl, &chg); 6239 if (status) 6240 goto err_ice_rem_prof_id_flow; 6241 6242 /* Adjust priorities */ 6243 status = ice_adj_prof_priorities(hw, blk, vsig, 6244 &chg); 6245 if (status) 6246 goto err_ice_rem_prof_id_flow; 6247 } 6248 6249 } else { 6250 /* Make a copy of the VSIG's list of Profiles */ 6251 status = ice_get_profs_vsig(hw, blk, vsig, ©); 6252 if (status) 6253 goto err_ice_rem_prof_id_flow; 6254 6255 /* Remove specified profile entry from the list */ 6256 status = ice_rem_prof_from_list(hw, ©, hdl); 6257 if (status) 6258 goto err_ice_rem_prof_id_flow; 6259 6260 if (LIST_EMPTY(©)) { 6261 status = ice_move_vsi(hw, blk, vsi, 6262 ICE_DEFAULT_VSIG, &chg); 6263 if (status) 6264 goto err_ice_rem_prof_id_flow; 6265 6266 } else if (!ice_find_dup_props_vsig(hw, blk, ©, 6267 &vsig)) { 6268 /* found an exact match */ 6269 /* add or move VSI to the VSIG that matches */ 6270 /* Search for a VSIG with a matching profile 6271 * list 6272 */ 6273 6274 /* Found match, move VSI to the matching VSIG */ 6275 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6276 if (status) 6277 goto err_ice_rem_prof_id_flow; 6278 } else { 6279 /* since no existing VSIG supports this 6280 * characteristic pattern, we need to create a 6281 * new VSIG and TCAM entries 6282 */ 6283 status = ice_create_vsig_from_lst(hw, blk, vsi, 6284 ©, &vsig, 6285 &chg); 6286 if (status) 6287 goto err_ice_rem_prof_id_flow; 6288 6289 /* Adjust priorities */ 6290 status = ice_adj_prof_priorities(hw, blk, vsig, 6291 &chg); 6292 if (status) 6293 goto err_ice_rem_prof_id_flow; 6294 } 6295 } 6296 } else { 6297 status = ICE_ERR_DOES_NOT_EXIST; 6298 } 6299 6300 /* update hardware tables */ 6301 if (!status) 6302 status = ice_upd_prof_hw(hw, blk, &chg); 6303 6304 err_ice_rem_prof_id_flow: 6305 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 6306 LIST_DEL(&del->list_entry); 6307 ice_free(hw, del); 6308 } 6309 6310 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, ©, ice_vsig_prof, list) { 6311 LIST_DEL(&del1->list); 6312 ice_free(hw, del1); 6313 } 6314 6315 return status; 6316 } 6317