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 /* cppcheck-suppress nullPointer */ 361 if (index > ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF) 362 return NULL; 363 364 if (offset) 365 *offset = 0; 366 367 marker_ptype = (struct ice_marker_ptype_tcam_section *)section; 368 if (index >= LE16_TO_CPU(marker_ptype->count)) 369 return NULL; 370 371 return marker_ptype->tcam + index; 372 } 373 374 /** 375 * ice_fill_hw_ptype - fill the enabled PTYPE bit information 376 * @hw: pointer to the HW structure 377 */ 378 static void 379 ice_fill_hw_ptype(struct ice_hw *hw) 380 { 381 struct ice_marker_ptype_tcam_entry *tcam; 382 struct ice_seg *seg = hw->seg; 383 struct ice_pkg_enum state; 384 385 ice_zero_bitmap(hw->hw_ptype, ICE_FLOW_PTYPE_MAX); 386 if (!seg) 387 return; 388 389 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 390 391 do { 392 tcam = (struct ice_marker_ptype_tcam_entry *) 393 ice_pkg_enum_entry(seg, &state, 394 ICE_SID_RXPARSER_MARKER_PTYPE, NULL, 395 ice_marker_ptype_tcam_handler); 396 if (tcam && 397 LE16_TO_CPU(tcam->addr) < ICE_MARKER_PTYPE_TCAM_ADDR_MAX && 398 LE16_TO_CPU(tcam->ptype) < ICE_FLOW_PTYPE_MAX) 399 ice_set_bit(LE16_TO_CPU(tcam->ptype), hw->hw_ptype); 400 401 seg = NULL; 402 } while (tcam); 403 } 404 405 /** 406 * ice_boost_tcam_handler 407 * @sect_type: section type 408 * @section: pointer to section 409 * @index: index of the boost TCAM entry to be returned 410 * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections 411 * 412 * This is a callback function that can be passed to ice_pkg_enum_entry. 413 * Handles enumeration of individual boost TCAM entries. 414 */ 415 static void * 416 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset) 417 { 418 struct ice_boost_tcam_section *boost; 419 420 if (!section) 421 return NULL; 422 423 if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM) 424 return NULL; 425 426 if (index > ICE_MAX_BST_TCAMS_IN_BUF) 427 return NULL; 428 429 if (offset) 430 *offset = 0; 431 432 boost = (struct ice_boost_tcam_section *)section; 433 if (index >= LE16_TO_CPU(boost->count)) 434 return NULL; 435 436 return boost->tcam + index; 437 } 438 439 /** 440 * ice_find_boost_entry 441 * @ice_seg: pointer to the ice segment (non-NULL) 442 * @addr: Boost TCAM address of entry to search for 443 * @entry: returns pointer to the entry 444 * 445 * Finds a particular Boost TCAM entry and returns a pointer to that entry 446 * if it is found. The ice_seg parameter must not be NULL since the first call 447 * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure. 448 */ 449 static enum ice_status 450 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr, 451 struct ice_boost_tcam_entry **entry) 452 { 453 struct ice_boost_tcam_entry *tcam; 454 struct ice_pkg_enum state; 455 456 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 457 458 if (!ice_seg) 459 return ICE_ERR_PARAM; 460 461 do { 462 tcam = (struct ice_boost_tcam_entry *) 463 ice_pkg_enum_entry(ice_seg, &state, 464 ICE_SID_RXPARSER_BOOST_TCAM, NULL, 465 ice_boost_tcam_handler); 466 if (tcam && LE16_TO_CPU(tcam->addr) == addr) { 467 *entry = tcam; 468 return ICE_SUCCESS; 469 } 470 471 ice_seg = NULL; 472 } while (tcam); 473 474 *entry = NULL; 475 return ICE_ERR_CFG; 476 } 477 478 /** 479 * ice_label_enum_handler 480 * @sect_type: section type 481 * @section: pointer to section 482 * @index: index of the label entry to be returned 483 * @offset: pointer to receive absolute offset, always zero for label sections 484 * 485 * This is a callback function that can be passed to ice_pkg_enum_entry. 486 * Handles enumeration of individual label entries. 487 */ 488 static void * 489 ice_label_enum_handler(u32 __ALWAYS_UNUSED sect_type, void *section, u32 index, 490 u32 *offset) 491 { 492 struct ice_label_section *labels; 493 494 if (!section) 495 return NULL; 496 497 if (index > ICE_MAX_LABELS_IN_BUF) 498 return NULL; 499 500 if (offset) 501 *offset = 0; 502 503 labels = (struct ice_label_section *)section; 504 if (index >= LE16_TO_CPU(labels->count)) 505 return NULL; 506 507 return labels->label + index; 508 } 509 510 /** 511 * ice_enum_labels 512 * @ice_seg: pointer to the ice segment (NULL on subsequent calls) 513 * @type: the section type that will contain the label (0 on subsequent calls) 514 * @state: ice_pkg_enum structure that will hold the state of the enumeration 515 * @value: pointer to a value that will return the label's value if found 516 * 517 * Enumerates a list of labels in the package. The caller will call 518 * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call 519 * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL 520 * the end of the list has been reached. 521 */ 522 static char * 523 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state, 524 u16 *value) 525 { 526 struct ice_label *label; 527 528 /* Check for valid label section on first call */ 529 if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST)) 530 return NULL; 531 532 label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type, 533 NULL, 534 ice_label_enum_handler); 535 if (!label) 536 return NULL; 537 538 *value = LE16_TO_CPU(label->value); 539 return label->name; 540 } 541 542 /** 543 * ice_add_tunnel_hint 544 * @hw: pointer to the HW structure 545 * @label_name: label text 546 * @val: value of the tunnel port boost entry 547 */ 548 static void ice_add_tunnel_hint(struct ice_hw *hw, char *label_name, u16 val) 549 { 550 if (hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) { 551 u16 i; 552 553 for (i = 0; tnls[i].type != TNL_LAST; i++) { 554 size_t len = strlen(tnls[i].label_prefix); 555 556 /* Look for matching label start, before continuing */ 557 if (strncmp(label_name, tnls[i].label_prefix, len)) 558 continue; 559 560 /* Make sure this label matches our PF. Note that the PF 561 * character ('0' - '7') will be located where our 562 * prefix string's null terminator is located. 563 */ 564 if ((label_name[len] - '0') == hw->pf_id) { 565 hw->tnl.tbl[hw->tnl.count].type = tnls[i].type; 566 hw->tnl.tbl[hw->tnl.count].valid = false; 567 hw->tnl.tbl[hw->tnl.count].in_use = false; 568 hw->tnl.tbl[hw->tnl.count].marked = false; 569 hw->tnl.tbl[hw->tnl.count].boost_addr = val; 570 hw->tnl.tbl[hw->tnl.count].port = 0; 571 hw->tnl.count++; 572 break; 573 } 574 } 575 } 576 } 577 578 /** 579 * ice_add_dvm_hint 580 * @hw: pointer to the HW structure 581 * @val: value of the boost entry 582 * @enable: true if entry needs to be enabled, or false if needs to be disabled 583 */ 584 static void ice_add_dvm_hint(struct ice_hw *hw, u16 val, bool enable) 585 { 586 if (hw->dvm_upd.count < ICE_DVM_MAX_ENTRIES) { 587 hw->dvm_upd.tbl[hw->dvm_upd.count].boost_addr = val; 588 hw->dvm_upd.tbl[hw->dvm_upd.count].enable = enable; 589 hw->dvm_upd.count++; 590 } 591 } 592 593 /** 594 * ice_init_pkg_hints 595 * @hw: pointer to the HW structure 596 * @ice_seg: pointer to the segment of the package scan (non-NULL) 597 * 598 * This function will scan the package and save off relevant information 599 * (hints or metadata) for driver use. The ice_seg parameter must not be NULL 600 * since the first call to ice_enum_labels requires a pointer to an actual 601 * ice_seg structure. 602 */ 603 static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg) 604 { 605 struct ice_pkg_enum state; 606 char *label_name; 607 u16 val; 608 int i; 609 610 ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM); 611 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 612 613 if (!ice_seg) 614 return; 615 616 label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state, 617 &val); 618 619 while (label_name) { 620 if (!strncmp(label_name, ICE_TNL_PRE, strlen(ICE_TNL_PRE))) 621 /* check for a tunnel entry */ 622 ice_add_tunnel_hint(hw, label_name, val); 623 624 /* check for a dvm mode entry */ 625 else if (!strncmp(label_name, ICE_DVM_PRE, strlen(ICE_DVM_PRE))) 626 ice_add_dvm_hint(hw, val, true); 627 628 /* check for a svm mode entry */ 629 else if (!strncmp(label_name, ICE_SVM_PRE, strlen(ICE_SVM_PRE))) 630 ice_add_dvm_hint(hw, val, false); 631 632 label_name = ice_enum_labels(NULL, 0, &state, &val); 633 } 634 635 /* Cache the appropriate boost TCAM entry pointers for tunnels */ 636 for (i = 0; i < hw->tnl.count; i++) { 637 ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr, 638 &hw->tnl.tbl[i].boost_entry); 639 if (hw->tnl.tbl[i].boost_entry) 640 hw->tnl.tbl[i].valid = true; 641 } 642 643 /* Cache the appropriate boost TCAM entry pointers for DVM and SVM */ 644 for (i = 0; i < hw->dvm_upd.count; i++) 645 ice_find_boost_entry(ice_seg, hw->dvm_upd.tbl[i].boost_addr, 646 &hw->dvm_upd.tbl[i].boost_entry); 647 } 648 649 /* Key creation */ 650 651 #define ICE_DC_KEY 0x1 /* don't care */ 652 #define ICE_DC_KEYINV 0x1 653 #define ICE_NM_KEY 0x0 /* never match */ 654 #define ICE_NM_KEYINV 0x0 655 #define ICE_0_KEY 0x1 /* match 0 */ 656 #define ICE_0_KEYINV 0x0 657 #define ICE_1_KEY 0x0 /* match 1 */ 658 #define ICE_1_KEYINV 0x1 659 660 /** 661 * ice_gen_key_word - generate 16-bits of a key/mask word 662 * @val: the value 663 * @valid: valid bits mask (change only the valid bits) 664 * @dont_care: don't care mask 665 * @nvr_mtch: never match mask 666 * @key: pointer to an array of where the resulting key portion 667 * @key_inv: pointer to an array of where the resulting key invert portion 668 * 669 * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask 670 * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits 671 * of key and 8 bits of key invert. 672 * 673 * '0' = b01, always match a 0 bit 674 * '1' = b10, always match a 1 bit 675 * '?' = b11, don't care bit (always matches) 676 * '~' = b00, never match bit 677 * 678 * Input: 679 * val: b0 1 0 1 0 1 680 * dont_care: b0 0 1 1 0 0 681 * never_mtch: b0 0 0 0 1 1 682 * ------------------------------ 683 * Result: key: b01 10 11 11 00 00 684 */ 685 static enum ice_status 686 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key, 687 u8 *key_inv) 688 { 689 u8 in_key = *key, in_key_inv = *key_inv; 690 u8 i; 691 692 /* 'dont_care' and 'nvr_mtch' masks cannot overlap */ 693 if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch)) 694 return ICE_ERR_CFG; 695 696 *key = 0; 697 *key_inv = 0; 698 699 /* encode the 8 bits into 8-bit key and 8-bit key invert */ 700 for (i = 0; i < 8; i++) { 701 *key >>= 1; 702 *key_inv >>= 1; 703 704 if (!(valid & 0x1)) { /* change only valid bits */ 705 *key |= (in_key & 0x1) << 7; 706 *key_inv |= (in_key_inv & 0x1) << 7; 707 } else if (dont_care & 0x1) { /* don't care bit */ 708 *key |= ICE_DC_KEY << 7; 709 *key_inv |= ICE_DC_KEYINV << 7; 710 } else if (nvr_mtch & 0x1) { /* never match bit */ 711 *key |= ICE_NM_KEY << 7; 712 *key_inv |= ICE_NM_KEYINV << 7; 713 } else if (val & 0x01) { /* exact 1 match */ 714 *key |= ICE_1_KEY << 7; 715 *key_inv |= ICE_1_KEYINV << 7; 716 } else { /* exact 0 match */ 717 *key |= ICE_0_KEY << 7; 718 *key_inv |= ICE_0_KEYINV << 7; 719 } 720 721 dont_care >>= 1; 722 nvr_mtch >>= 1; 723 valid >>= 1; 724 val >>= 1; 725 in_key >>= 1; 726 in_key_inv >>= 1; 727 } 728 729 return ICE_SUCCESS; 730 } 731 732 /** 733 * ice_bits_max_set - determine if the number of bits set is within a maximum 734 * @mask: pointer to the byte array which is the mask 735 * @size: the number of bytes in the mask 736 * @max: the max number of set bits 737 * 738 * This function determines if there are at most 'max' number of bits set in an 739 * array. Returns true if the number for bits set is <= max or will return false 740 * otherwise. 741 */ 742 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max) 743 { 744 u16 count = 0; 745 u16 i; 746 747 /* check each byte */ 748 for (i = 0; i < size; i++) { 749 /* if 0, go to next byte */ 750 if (!mask[i]) 751 continue; 752 753 /* We know there is at least one set bit in this byte because of 754 * the above check; if we already have found 'max' number of 755 * bits set, then we can return failure now. 756 */ 757 if (count == max) 758 return false; 759 760 /* count the bits in this byte, checking threshold */ 761 count += ice_hweight8(mask[i]); 762 if (count > max) 763 return false; 764 } 765 766 return true; 767 } 768 769 /** 770 * ice_set_key - generate a variable sized key with multiples of 16-bits 771 * @key: pointer to where the key will be stored 772 * @size: the size of the complete key in bytes (must be even) 773 * @val: array of 8-bit values that makes up the value portion of the key 774 * @upd: array of 8-bit masks that determine what key portion to update 775 * @dc: array of 8-bit masks that make up the don't care mask 776 * @nm: array of 8-bit masks that make up the never match mask 777 * @off: the offset of the first byte in the key to update 778 * @len: the number of bytes in the key update 779 * 780 * This function generates a key from a value, a don't care mask and a never 781 * match mask. 782 * upd, dc, and nm are optional parameters, and can be NULL: 783 * upd == NULL --> upd mask is all 1's (update all bits) 784 * dc == NULL --> dc mask is all 0's (no don't care bits) 785 * nm == NULL --> nm mask is all 0's (no never match bits) 786 */ 787 enum ice_status 788 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off, 789 u16 len) 790 { 791 u16 half_size; 792 u16 i; 793 794 /* size must be a multiple of 2 bytes. */ 795 if (size % 2) 796 return ICE_ERR_CFG; 797 half_size = size / 2; 798 799 if (off + len > half_size) 800 return ICE_ERR_CFG; 801 802 /* Make sure at most one bit is set in the never match mask. Having more 803 * than one never match mask bit set will cause HW to consume excessive 804 * power otherwise; this is a power management efficiency check. 805 */ 806 #define ICE_NVR_MTCH_BITS_MAX 1 807 if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX)) 808 return ICE_ERR_CFG; 809 810 for (i = 0; i < len; i++) 811 if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff, 812 dc ? dc[i] : 0, nm ? nm[i] : 0, 813 key + off + i, key + half_size + off + i)) 814 return ICE_ERR_CFG; 815 816 return ICE_SUCCESS; 817 } 818 819 /** 820 * ice_acquire_global_cfg_lock 821 * @hw: pointer to the HW structure 822 * @access: access type (read or write) 823 * 824 * This function will request ownership of the global config lock for reading 825 * or writing of the package. When attempting to obtain write access, the 826 * caller must check for the following two return values: 827 * 828 * ICE_SUCCESS - Means the caller has acquired the global config lock 829 * and can perform writing of the package. 830 * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the 831 * package or has found that no update was necessary; in 832 * this case, the caller can just skip performing any 833 * update of the package. 834 */ 835 static enum ice_status 836 ice_acquire_global_cfg_lock(struct ice_hw *hw, 837 enum ice_aq_res_access_type access) 838 { 839 enum ice_status status; 840 841 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 842 843 status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access, 844 ICE_GLOBAL_CFG_LOCK_TIMEOUT); 845 846 if (status == ICE_ERR_AQ_NO_WORK) 847 ice_debug(hw, ICE_DBG_PKG, "Global config lock: No work to do\n"); 848 849 return status; 850 } 851 852 /** 853 * ice_release_global_cfg_lock 854 * @hw: pointer to the HW structure 855 * 856 * This function will release the global config lock. 857 */ 858 static void ice_release_global_cfg_lock(struct ice_hw *hw) 859 { 860 ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID); 861 } 862 863 /** 864 * ice_acquire_change_lock 865 * @hw: pointer to the HW structure 866 * @access: access type (read or write) 867 * 868 * This function will request ownership of the change lock. 869 */ 870 enum ice_status 871 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access) 872 { 873 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 874 875 return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access, 876 ICE_CHANGE_LOCK_TIMEOUT); 877 } 878 879 /** 880 * ice_release_change_lock 881 * @hw: pointer to the HW structure 882 * 883 * This function will release the change lock using the proper Admin Command. 884 */ 885 void ice_release_change_lock(struct ice_hw *hw) 886 { 887 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 888 889 ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID); 890 } 891 892 /** 893 * ice_aq_download_pkg 894 * @hw: pointer to the hardware structure 895 * @pkg_buf: the package buffer to transfer 896 * @buf_size: the size of the package buffer 897 * @last_buf: last buffer indicator 898 * @error_offset: returns error offset 899 * @error_info: returns error information 900 * @cd: pointer to command details structure or NULL 901 * 902 * Download Package (0x0C40) 903 */ 904 static enum ice_status 905 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, 906 u16 buf_size, bool last_buf, u32 *error_offset, 907 u32 *error_info, struct ice_sq_cd *cd) 908 { 909 struct ice_aqc_download_pkg *cmd; 910 struct ice_aq_desc desc; 911 enum ice_status status; 912 913 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 914 915 if (error_offset) 916 *error_offset = 0; 917 if (error_info) 918 *error_info = 0; 919 920 cmd = &desc.params.download_pkg; 921 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg); 922 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 923 924 if (last_buf) 925 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; 926 927 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 928 if (status == ICE_ERR_AQ_ERROR) { 929 /* Read error from buffer only when the FW returned an error */ 930 struct ice_aqc_download_pkg_resp *resp; 931 932 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; 933 if (error_offset) 934 *error_offset = LE32_TO_CPU(resp->error_offset); 935 if (error_info) 936 *error_info = LE32_TO_CPU(resp->error_info); 937 } 938 939 return status; 940 } 941 942 /** 943 * ice_aq_upload_section 944 * @hw: pointer to the hardware structure 945 * @pkg_buf: the package buffer which will receive the section 946 * @buf_size: the size of the package buffer 947 * @cd: pointer to command details structure or NULL 948 * 949 * Upload Section (0x0C41) 950 */ 951 enum ice_status 952 ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, 953 u16 buf_size, struct ice_sq_cd *cd) 954 { 955 struct ice_aq_desc desc; 956 957 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 958 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section); 959 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 960 961 return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 962 } 963 964 /** 965 * ice_aq_update_pkg 966 * @hw: pointer to the hardware structure 967 * @pkg_buf: the package cmd buffer 968 * @buf_size: the size of the package cmd buffer 969 * @last_buf: last buffer indicator 970 * @error_offset: returns error offset 971 * @error_info: returns error information 972 * @cd: pointer to command details structure or NULL 973 * 974 * Update Package (0x0C42) 975 */ 976 static enum ice_status 977 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size, 978 bool last_buf, u32 *error_offset, u32 *error_info, 979 struct ice_sq_cd *cd) 980 { 981 struct ice_aqc_download_pkg *cmd; 982 struct ice_aq_desc desc; 983 enum ice_status status; 984 985 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 986 987 if (error_offset) 988 *error_offset = 0; 989 if (error_info) 990 *error_info = 0; 991 992 cmd = &desc.params.download_pkg; 993 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg); 994 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 995 996 if (last_buf) 997 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; 998 999 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 1000 if (status == ICE_ERR_AQ_ERROR) { 1001 /* Read error from buffer only when the FW returned an error */ 1002 struct ice_aqc_download_pkg_resp *resp; 1003 1004 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; 1005 if (error_offset) 1006 *error_offset = LE32_TO_CPU(resp->error_offset); 1007 if (error_info) 1008 *error_info = LE32_TO_CPU(resp->error_info); 1009 } 1010 1011 return status; 1012 } 1013 1014 /** 1015 * ice_find_seg_in_pkg 1016 * @hw: pointer to the hardware structure 1017 * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK) 1018 * @pkg_hdr: pointer to the package header to be searched 1019 * 1020 * This function searches a package file for a particular segment type. On 1021 * success it returns a pointer to the segment header, otherwise it will 1022 * return NULL. 1023 */ 1024 static struct ice_generic_seg_hdr * 1025 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type, 1026 struct ice_pkg_hdr *pkg_hdr) 1027 { 1028 u32 i; 1029 1030 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1031 ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n", 1032 pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor, 1033 pkg_hdr->pkg_format_ver.update, 1034 pkg_hdr->pkg_format_ver.draft); 1035 1036 /* Search all package segments for the requested segment type */ 1037 for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) { 1038 struct ice_generic_seg_hdr *seg; 1039 1040 seg = (struct ice_generic_seg_hdr *) 1041 ((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i])); 1042 1043 if (LE32_TO_CPU(seg->seg_type) == seg_type) 1044 return seg; 1045 } 1046 1047 return NULL; 1048 } 1049 1050 /** 1051 * ice_update_pkg_no_lock 1052 * @hw: pointer to the hardware structure 1053 * @bufs: pointer to an array of buffers 1054 * @count: the number of buffers in the array 1055 */ 1056 static enum ice_status 1057 ice_update_pkg_no_lock(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 1058 { 1059 enum ice_status status = ICE_SUCCESS; 1060 u32 i; 1061 1062 for (i = 0; i < count; i++) { 1063 struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i); 1064 bool last = ((i + 1) == count); 1065 u32 offset, info; 1066 1067 status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end), 1068 last, &offset, &info, NULL); 1069 1070 if (status) { 1071 ice_debug(hw, ICE_DBG_PKG, "Update pkg failed: err %d off %d inf %d\n", 1072 status, offset, info); 1073 break; 1074 } 1075 } 1076 1077 return status; 1078 } 1079 1080 /** 1081 * ice_update_pkg 1082 * @hw: pointer to the hardware structure 1083 * @bufs: pointer to an array of buffers 1084 * @count: the number of buffers in the array 1085 * 1086 * Obtains change lock and updates package. 1087 */ 1088 enum ice_status 1089 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 1090 { 1091 enum ice_status status; 1092 1093 status = ice_acquire_change_lock(hw, ICE_RES_WRITE); 1094 if (status) 1095 return status; 1096 1097 status = ice_update_pkg_no_lock(hw, bufs, count); 1098 1099 ice_release_change_lock(hw); 1100 1101 return status; 1102 } 1103 1104 /** 1105 * ice_dwnld_cfg_bufs 1106 * @hw: pointer to the hardware structure 1107 * @bufs: pointer to an array of buffers 1108 * @count: the number of buffers in the array 1109 * 1110 * Obtains global config lock and downloads the package configuration buffers 1111 * to the firmware. Metadata buffers are skipped, and the first metadata buffer 1112 * found indicates that the rest of the buffers are all metadata buffers. 1113 */ 1114 static enum ice_status 1115 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 1116 { 1117 enum ice_status status; 1118 struct ice_buf_hdr *bh; 1119 u32 offset, info, i; 1120 1121 if (!bufs || !count) 1122 return ICE_ERR_PARAM; 1123 1124 /* If the first buffer's first section has its metadata bit set 1125 * then there are no buffers to be downloaded, and the operation is 1126 * considered a success. 1127 */ 1128 bh = (struct ice_buf_hdr *)bufs; 1129 if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF) 1130 return ICE_SUCCESS; 1131 1132 /* reset pkg_dwnld_status in case this function is called in the 1133 * reset/rebuild flow 1134 */ 1135 hw->pkg_dwnld_status = ICE_AQ_RC_OK; 1136 1137 status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE); 1138 if (status) { 1139 if (status == ICE_ERR_AQ_NO_WORK) 1140 hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST; 1141 else 1142 hw->pkg_dwnld_status = hw->adminq.sq_last_status; 1143 return status; 1144 } 1145 1146 for (i = 0; i < count; i++) { 1147 bool last = ((i + 1) == count); 1148 1149 if (!last) { 1150 /* check next buffer for metadata flag */ 1151 bh = (struct ice_buf_hdr *)(bufs + i + 1); 1152 1153 /* A set metadata flag in the next buffer will signal 1154 * that the current buffer will be the last buffer 1155 * downloaded 1156 */ 1157 if (LE16_TO_CPU(bh->section_count)) 1158 if (LE32_TO_CPU(bh->section_entry[0].type) & 1159 ICE_METADATA_BUF) 1160 last = true; 1161 } 1162 1163 bh = (struct ice_buf_hdr *)(bufs + i); 1164 1165 status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last, 1166 &offset, &info, NULL); 1167 1168 /* Save AQ status from download package */ 1169 hw->pkg_dwnld_status = hw->adminq.sq_last_status; 1170 if (status) { 1171 ice_debug(hw, ICE_DBG_PKG, "Pkg download failed: err %d off %d inf %d\n", 1172 status, offset, info); 1173 break; 1174 } 1175 1176 if (last) 1177 break; 1178 } 1179 1180 if (!status) { 1181 status = ice_set_vlan_mode(hw); 1182 if (status) 1183 ice_debug(hw, ICE_DBG_PKG, "Failed to set VLAN mode: err %d\n", 1184 status); 1185 } 1186 1187 ice_release_global_cfg_lock(hw); 1188 1189 return status; 1190 } 1191 1192 /** 1193 * ice_aq_get_pkg_info_list 1194 * @hw: pointer to the hardware structure 1195 * @pkg_info: the buffer which will receive the information list 1196 * @buf_size: the size of the pkg_info information buffer 1197 * @cd: pointer to command details structure or NULL 1198 * 1199 * Get Package Info List (0x0C43) 1200 */ 1201 static enum ice_status 1202 ice_aq_get_pkg_info_list(struct ice_hw *hw, 1203 struct ice_aqc_get_pkg_info_resp *pkg_info, 1204 u16 buf_size, struct ice_sq_cd *cd) 1205 { 1206 struct ice_aq_desc desc; 1207 1208 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1209 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list); 1210 1211 return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd); 1212 } 1213 1214 /** 1215 * ice_download_pkg 1216 * @hw: pointer to the hardware structure 1217 * @ice_seg: pointer to the segment of the package to be downloaded 1218 * 1219 * Handles the download of a complete package. 1220 */ 1221 static enum ice_status 1222 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg) 1223 { 1224 struct ice_buf_table *ice_buf_tbl; 1225 enum ice_status status; 1226 1227 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1228 ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n", 1229 ice_seg->hdr.seg_format_ver.major, 1230 ice_seg->hdr.seg_format_ver.minor, 1231 ice_seg->hdr.seg_format_ver.update, 1232 ice_seg->hdr.seg_format_ver.draft); 1233 1234 ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n", 1235 LE32_TO_CPU(ice_seg->hdr.seg_type), 1236 LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id); 1237 1238 ice_buf_tbl = ice_find_buf_table(ice_seg); 1239 1240 ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n", 1241 LE32_TO_CPU(ice_buf_tbl->buf_count)); 1242 1243 status = ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array, 1244 LE32_TO_CPU(ice_buf_tbl->buf_count)); 1245 1246 ice_cache_vlan_mode(hw); 1247 1248 return status; 1249 } 1250 1251 /** 1252 * ice_init_pkg_info 1253 * @hw: pointer to the hardware structure 1254 * @pkg_hdr: pointer to the driver's package hdr 1255 * 1256 * Saves off the package details into the HW structure. 1257 */ 1258 static enum ice_status 1259 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr) 1260 { 1261 struct ice_generic_seg_hdr *seg_hdr; 1262 1263 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1264 if (!pkg_hdr) 1265 return ICE_ERR_PARAM; 1266 1267 seg_hdr = (struct ice_generic_seg_hdr *) 1268 ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr); 1269 if (seg_hdr) { 1270 struct ice_meta_sect *meta; 1271 struct ice_pkg_enum state; 1272 1273 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1274 1275 /* Get package information from the Metadata Section */ 1276 meta = (struct ice_meta_sect *) 1277 ice_pkg_enum_section((struct ice_seg *)seg_hdr, &state, 1278 ICE_SID_METADATA); 1279 if (!meta) { 1280 ice_debug(hw, ICE_DBG_INIT, "Did not find ice metadata section in package\n"); 1281 return ICE_ERR_CFG; 1282 } 1283 1284 hw->pkg_ver = meta->ver; 1285 ice_memcpy(hw->pkg_name, meta->name, sizeof(meta->name), 1286 ICE_NONDMA_TO_NONDMA); 1287 1288 ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n", 1289 meta->ver.major, meta->ver.minor, meta->ver.update, 1290 meta->ver.draft, meta->name); 1291 1292 hw->ice_seg_fmt_ver = seg_hdr->seg_format_ver; 1293 ice_memcpy(hw->ice_seg_id, seg_hdr->seg_id, 1294 sizeof(hw->ice_seg_id), ICE_NONDMA_TO_NONDMA); 1295 1296 ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n", 1297 seg_hdr->seg_format_ver.major, 1298 seg_hdr->seg_format_ver.minor, 1299 seg_hdr->seg_format_ver.update, 1300 seg_hdr->seg_format_ver.draft, 1301 seg_hdr->seg_id); 1302 } else { 1303 ice_debug(hw, ICE_DBG_INIT, "Did not find ice segment in driver package\n"); 1304 return ICE_ERR_CFG; 1305 } 1306 1307 return ICE_SUCCESS; 1308 } 1309 1310 /** 1311 * ice_get_pkg_info 1312 * @hw: pointer to the hardware structure 1313 * 1314 * Store details of the package currently loaded in HW into the HW structure. 1315 */ 1316 static enum ice_status ice_get_pkg_info(struct ice_hw *hw) 1317 { 1318 struct ice_aqc_get_pkg_info_resp *pkg_info; 1319 enum ice_status status; 1320 u16 size; 1321 u32 i; 1322 1323 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1324 1325 size = ice_struct_size(pkg_info, pkg_info, ICE_PKG_CNT); 1326 pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size); 1327 if (!pkg_info) 1328 return ICE_ERR_NO_MEMORY; 1329 1330 status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL); 1331 if (status) 1332 goto init_pkg_free_alloc; 1333 1334 for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) { 1335 #define ICE_PKG_FLAG_COUNT 4 1336 char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 }; 1337 u8 place = 0; 1338 1339 if (pkg_info->pkg_info[i].is_active) { 1340 flags[place++] = 'A'; 1341 hw->active_pkg_ver = pkg_info->pkg_info[i].ver; 1342 hw->active_track_id = 1343 LE32_TO_CPU(pkg_info->pkg_info[i].track_id); 1344 ice_memcpy(hw->active_pkg_name, 1345 pkg_info->pkg_info[i].name, 1346 sizeof(pkg_info->pkg_info[i].name), 1347 ICE_NONDMA_TO_NONDMA); 1348 hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm; 1349 } 1350 if (pkg_info->pkg_info[i].is_active_at_boot) 1351 flags[place++] = 'B'; 1352 if (pkg_info->pkg_info[i].is_modified) 1353 flags[place++] = 'M'; 1354 if (pkg_info->pkg_info[i].is_in_nvm) 1355 flags[place++] = 'N'; 1356 1357 ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n", 1358 i, pkg_info->pkg_info[i].ver.major, 1359 pkg_info->pkg_info[i].ver.minor, 1360 pkg_info->pkg_info[i].ver.update, 1361 pkg_info->pkg_info[i].ver.draft, 1362 pkg_info->pkg_info[i].name, flags); 1363 } 1364 1365 init_pkg_free_alloc: 1366 ice_free(hw, pkg_info); 1367 1368 return status; 1369 } 1370 1371 /** 1372 * ice_verify_pkg - verify package 1373 * @pkg: pointer to the package buffer 1374 * @len: size of the package buffer 1375 * 1376 * Verifies various attributes of the package file, including length, format 1377 * version, and the requirement of at least one segment. 1378 */ 1379 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len) 1380 { 1381 u32 seg_count; 1382 u32 i; 1383 1384 if (len < ice_struct_size(pkg, seg_offset, 1)) 1385 return ICE_ERR_BUF_TOO_SHORT; 1386 1387 if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ || 1388 pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR || 1389 pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD || 1390 pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT) 1391 return ICE_ERR_CFG; 1392 1393 /* pkg must have at least one segment */ 1394 seg_count = LE32_TO_CPU(pkg->seg_count); 1395 if (seg_count < 1) 1396 return ICE_ERR_CFG; 1397 1398 /* make sure segment array fits in package length */ 1399 if (len < ice_struct_size(pkg, seg_offset, seg_count)) 1400 return ICE_ERR_BUF_TOO_SHORT; 1401 1402 /* all segments must fit within length */ 1403 for (i = 0; i < seg_count; i++) { 1404 u32 off = LE32_TO_CPU(pkg->seg_offset[i]); 1405 struct ice_generic_seg_hdr *seg; 1406 1407 /* segment header must fit */ 1408 if (len < off + sizeof(*seg)) 1409 return ICE_ERR_BUF_TOO_SHORT; 1410 1411 seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off); 1412 1413 /* segment body must fit */ 1414 if (len < off + LE32_TO_CPU(seg->seg_size)) 1415 return ICE_ERR_BUF_TOO_SHORT; 1416 } 1417 1418 return ICE_SUCCESS; 1419 } 1420 1421 /** 1422 * ice_free_seg - free package segment pointer 1423 * @hw: pointer to the hardware structure 1424 * 1425 * Frees the package segment pointer in the proper manner, depending on if the 1426 * segment was allocated or just the passed in pointer was stored. 1427 */ 1428 void ice_free_seg(struct ice_hw *hw) 1429 { 1430 if (hw->pkg_copy) { 1431 ice_free(hw, hw->pkg_copy); 1432 hw->pkg_copy = NULL; 1433 hw->pkg_size = 0; 1434 } 1435 hw->seg = NULL; 1436 } 1437 1438 /** 1439 * ice_init_pkg_regs - initialize additional package registers 1440 * @hw: pointer to the hardware structure 1441 */ 1442 static void ice_init_pkg_regs(struct ice_hw *hw) 1443 { 1444 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF 1445 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF 1446 #define ICE_SW_BLK_IDX 0 1447 if (hw->dcf_enabled) 1448 return; 1449 1450 /* setup Switch block input mask, which is 48-bits in two parts */ 1451 wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L); 1452 wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H); 1453 } 1454 1455 /** 1456 * ice_chk_pkg_version - check package version for compatibility with driver 1457 * @pkg_ver: pointer to a version structure to check 1458 * 1459 * Check to make sure that the package about to be downloaded is compatible with 1460 * the driver. To be compatible, the major and minor components of the package 1461 * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR 1462 * definitions. 1463 */ 1464 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver) 1465 { 1466 if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ || 1467 pkg_ver->minor != ICE_PKG_SUPP_VER_MNR) 1468 return ICE_ERR_NOT_SUPPORTED; 1469 1470 return ICE_SUCCESS; 1471 } 1472 1473 /** 1474 * ice_chk_pkg_compat 1475 * @hw: pointer to the hardware structure 1476 * @ospkg: pointer to the package hdr 1477 * @seg: pointer to the package segment hdr 1478 * 1479 * This function checks the package version compatibility with driver and NVM 1480 */ 1481 static enum ice_status 1482 ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg, 1483 struct ice_seg **seg) 1484 { 1485 struct ice_aqc_get_pkg_info_resp *pkg; 1486 enum ice_status status; 1487 u16 size; 1488 u32 i; 1489 1490 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1491 1492 /* Check package version compatibility */ 1493 status = ice_chk_pkg_version(&hw->pkg_ver); 1494 if (status) { 1495 ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n"); 1496 return status; 1497 } 1498 1499 /* find ICE segment in given package */ 1500 *seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, 1501 ospkg); 1502 if (!*seg) { 1503 ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n"); 1504 return ICE_ERR_CFG; 1505 } 1506 1507 /* Check if FW is compatible with the OS package */ 1508 size = ice_struct_size(pkg, pkg_info, ICE_PKG_CNT); 1509 pkg = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size); 1510 if (!pkg) 1511 return ICE_ERR_NO_MEMORY; 1512 1513 status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL); 1514 if (status) 1515 goto fw_ddp_compat_free_alloc; 1516 1517 for (i = 0; i < LE32_TO_CPU(pkg->count); i++) { 1518 /* loop till we find the NVM package */ 1519 if (!pkg->pkg_info[i].is_in_nvm) 1520 continue; 1521 if ((*seg)->hdr.seg_format_ver.major != 1522 pkg->pkg_info[i].ver.major || 1523 (*seg)->hdr.seg_format_ver.minor > 1524 pkg->pkg_info[i].ver.minor) { 1525 status = ICE_ERR_FW_DDP_MISMATCH; 1526 ice_debug(hw, ICE_DBG_INIT, "OS package is not compatible with NVM.\n"); 1527 } 1528 /* done processing NVM package so break */ 1529 break; 1530 } 1531 fw_ddp_compat_free_alloc: 1532 ice_free(hw, pkg); 1533 return status; 1534 } 1535 1536 /** 1537 * ice_sw_fv_handler 1538 * @sect_type: section type 1539 * @section: pointer to section 1540 * @index: index of the field vector entry to be returned 1541 * @offset: ptr to variable that receives the offset in the field vector table 1542 * 1543 * This is a callback function that can be passed to ice_pkg_enum_entry. 1544 * This function treats the given section as of type ice_sw_fv_section and 1545 * enumerates offset field. "offset" is an index into the field vector table. 1546 */ 1547 static void * 1548 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset) 1549 { 1550 struct ice_sw_fv_section *fv_section = 1551 (struct ice_sw_fv_section *)section; 1552 1553 if (!section || sect_type != ICE_SID_FLD_VEC_SW) 1554 return NULL; 1555 if (index >= LE16_TO_CPU(fv_section->count)) 1556 return NULL; 1557 if (offset) 1558 /* "index" passed in to this function is relative to a given 1559 * 4k block. To get to the true index into the field vector 1560 * table need to add the relative index to the base_offset 1561 * field of this section 1562 */ 1563 *offset = LE16_TO_CPU(fv_section->base_offset) + index; 1564 return fv_section->fv + index; 1565 } 1566 1567 /** 1568 * ice_get_prof_index_max - get the max profile index for used profile 1569 * @hw: pointer to the HW struct 1570 * 1571 * Calling this function will get the max profile index for used profile 1572 * and store the index number in struct ice_switch_info *switch_info 1573 * in hw for following use. 1574 */ 1575 static int ice_get_prof_index_max(struct ice_hw *hw) 1576 { 1577 u16 prof_index = 0, j, max_prof_index = 0; 1578 struct ice_pkg_enum state; 1579 struct ice_seg *ice_seg; 1580 bool flag = false; 1581 struct ice_fv *fv; 1582 u32 offset; 1583 1584 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1585 1586 if (!hw->seg) 1587 return ICE_ERR_PARAM; 1588 1589 ice_seg = hw->seg; 1590 1591 do { 1592 fv = (struct ice_fv *) 1593 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1594 &offset, ice_sw_fv_handler); 1595 if (!fv) 1596 break; 1597 ice_seg = NULL; 1598 1599 /* in the profile that not be used, the prot_id is set to 0xff 1600 * and the off is set to 0x1ff for all the field vectors. 1601 */ 1602 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) 1603 if (fv->ew[j].prot_id != ICE_PROT_INVALID || 1604 fv->ew[j].off != ICE_FV_OFFSET_INVAL) 1605 flag = true; 1606 if (flag && prof_index > max_prof_index) 1607 max_prof_index = prof_index; 1608 1609 prof_index++; 1610 flag = false; 1611 } while (fv); 1612 1613 hw->switch_info->max_used_prof_index = max_prof_index; 1614 1615 return ICE_SUCCESS; 1616 } 1617 1618 /** 1619 * ice_init_pkg - initialize/download package 1620 * @hw: pointer to the hardware structure 1621 * @buf: pointer to the package buffer 1622 * @len: size of the package buffer 1623 * 1624 * This function initializes a package. The package contains HW tables 1625 * required to do packet processing. First, the function extracts package 1626 * information such as version. Then it finds the ice configuration segment 1627 * within the package; this function then saves a copy of the segment pointer 1628 * within the supplied package buffer. Next, the function will cache any hints 1629 * from the package, followed by downloading the package itself. Note, that if 1630 * a previous PF driver has already downloaded the package successfully, then 1631 * the current driver will not have to download the package again. 1632 * 1633 * The local package contents will be used to query default behavior and to 1634 * update specific sections of the HW's version of the package (e.g. to update 1635 * the parse graph to understand new protocols). 1636 * 1637 * This function stores a pointer to the package buffer memory, and it is 1638 * expected that the supplied buffer will not be freed immediately. If the 1639 * package buffer needs to be freed, such as when read from a file, use 1640 * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this 1641 * case. 1642 */ 1643 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len) 1644 { 1645 struct ice_pkg_hdr *pkg; 1646 enum ice_status status; 1647 struct ice_seg *seg; 1648 1649 if (!buf || !len) 1650 return ICE_ERR_PARAM; 1651 1652 pkg = (struct ice_pkg_hdr *)buf; 1653 status = ice_verify_pkg(pkg, len); 1654 if (status) { 1655 ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n", 1656 status); 1657 return status; 1658 } 1659 1660 /* initialize package info */ 1661 status = ice_init_pkg_info(hw, pkg); 1662 if (status) 1663 return status; 1664 1665 /* before downloading the package, check package version for 1666 * compatibility with driver 1667 */ 1668 status = ice_chk_pkg_compat(hw, pkg, &seg); 1669 if (status) 1670 return status; 1671 1672 /* initialize package hints and then download package */ 1673 ice_init_pkg_hints(hw, seg); 1674 status = ice_download_pkg(hw, seg); 1675 if (status == ICE_ERR_AQ_NO_WORK) { 1676 ice_debug(hw, ICE_DBG_INIT, "package previously loaded - no work.\n"); 1677 status = ICE_SUCCESS; 1678 } 1679 1680 /* Get information on the package currently loaded in HW, then make sure 1681 * the driver is compatible with this version. 1682 */ 1683 if (!status) { 1684 status = ice_get_pkg_info(hw); 1685 if (!status) 1686 status = ice_chk_pkg_version(&hw->active_pkg_ver); 1687 } 1688 1689 if (!status) { 1690 hw->seg = seg; 1691 /* on successful package download update other required 1692 * registers to support the package and fill HW tables 1693 * with package content. 1694 */ 1695 ice_init_pkg_regs(hw); 1696 ice_fill_blk_tbls(hw); 1697 ice_fill_hw_ptype(hw); 1698 ice_get_prof_index_max(hw); 1699 } else { 1700 ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n", 1701 status); 1702 } 1703 1704 return status; 1705 } 1706 1707 /** 1708 * ice_copy_and_init_pkg - initialize/download a copy of the package 1709 * @hw: pointer to the hardware structure 1710 * @buf: pointer to the package buffer 1711 * @len: size of the package buffer 1712 * 1713 * This function copies the package buffer, and then calls ice_init_pkg() to 1714 * initialize the copied package contents. 1715 * 1716 * The copying is necessary if the package buffer supplied is constant, or if 1717 * the memory may disappear shortly after calling this function. 1718 * 1719 * If the package buffer resides in the data segment and can be modified, the 1720 * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg(). 1721 * 1722 * However, if the package buffer needs to be copied first, such as when being 1723 * read from a file, the caller should use ice_copy_and_init_pkg(). 1724 * 1725 * This function will first copy the package buffer, before calling 1726 * ice_init_pkg(). The caller is free to immediately destroy the original 1727 * package buffer, as the new copy will be managed by this function and 1728 * related routines. 1729 */ 1730 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len) 1731 { 1732 enum ice_status status; 1733 u8 *buf_copy; 1734 1735 if (!buf || !len) 1736 return ICE_ERR_PARAM; 1737 1738 buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA); 1739 1740 status = ice_init_pkg(hw, buf_copy, len); 1741 if (status) { 1742 /* Free the copy, since we failed to initialize the package */ 1743 ice_free(hw, buf_copy); 1744 } else { 1745 /* Track the copied pkg so we can free it later */ 1746 hw->pkg_copy = buf_copy; 1747 hw->pkg_size = len; 1748 } 1749 1750 return status; 1751 } 1752 1753 /** 1754 * ice_pkg_buf_alloc 1755 * @hw: pointer to the HW structure 1756 * 1757 * Allocates a package buffer and returns a pointer to the buffer header. 1758 * Note: all package contents must be in Little Endian form. 1759 */ 1760 static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw) 1761 { 1762 struct ice_buf_build *bld; 1763 struct ice_buf_hdr *buf; 1764 1765 bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld)); 1766 if (!bld) 1767 return NULL; 1768 1769 buf = (struct ice_buf_hdr *)bld; 1770 buf->data_end = CPU_TO_LE16(offsetof(struct ice_buf_hdr, 1771 section_entry)); 1772 return bld; 1773 } 1774 1775 /** 1776 * ice_get_sw_prof_type - determine switch profile type 1777 * @hw: pointer to the HW structure 1778 * @fv: pointer to the switch field vector 1779 */ 1780 static enum ice_prof_type 1781 ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv) 1782 { 1783 u16 i; 1784 1785 for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) { 1786 /* UDP tunnel will have UDP_OF protocol ID and VNI offset */ 1787 if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF && 1788 fv->ew[i].off == ICE_VNI_OFFSET) 1789 return ICE_PROF_TUN_UDP; 1790 1791 /* GRE tunnel will have GRE protocol */ 1792 if (fv->ew[i].prot_id == (u8)ICE_PROT_GRE_OF) 1793 return ICE_PROF_TUN_GRE; 1794 1795 /* PPPOE tunnel will have PPPOE protocol */ 1796 if (fv->ew[i].prot_id == (u8)ICE_PROT_PPPOE) 1797 return ICE_PROF_TUN_PPPOE; 1798 } 1799 1800 return ICE_PROF_NON_TUN; 1801 } 1802 1803 /** 1804 * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type 1805 * @hw: pointer to hardware structure 1806 * @req_profs: type of profiles requested 1807 * @bm: pointer to memory for returning the bitmap of field vectors 1808 */ 1809 void 1810 ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs, 1811 ice_bitmap_t *bm) 1812 { 1813 struct ice_pkg_enum state; 1814 struct ice_seg *ice_seg; 1815 struct ice_fv *fv; 1816 1817 if (req_profs == ICE_PROF_ALL) { 1818 ice_bitmap_set(bm, 0, ICE_MAX_NUM_PROFILES); 1819 return; 1820 } 1821 1822 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1823 ice_zero_bitmap(bm, ICE_MAX_NUM_PROFILES); 1824 ice_seg = hw->seg; 1825 do { 1826 enum ice_prof_type prof_type; 1827 u32 offset; 1828 1829 fv = (struct ice_fv *) 1830 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1831 &offset, ice_sw_fv_handler); 1832 ice_seg = NULL; 1833 1834 if (fv) { 1835 /* Determine field vector type */ 1836 prof_type = ice_get_sw_prof_type(hw, fv); 1837 1838 if (req_profs & prof_type) 1839 ice_set_bit((u16)offset, bm); 1840 } 1841 } while (fv); 1842 } 1843 1844 /** 1845 * ice_get_sw_fv_list 1846 * @hw: pointer to the HW structure 1847 * @prot_ids: field vector to search for with a given protocol ID 1848 * @ids_cnt: lookup/protocol count 1849 * @bm: bitmap of field vectors to consider 1850 * @fv_list: Head of a list 1851 * 1852 * Finds all the field vector entries from switch block that contain 1853 * a given protocol ID and returns a list of structures of type 1854 * "ice_sw_fv_list_entry". Every structure in the list has a field vector 1855 * definition and profile ID information 1856 * NOTE: The caller of the function is responsible for freeing the memory 1857 * allocated for every list entry. 1858 */ 1859 enum ice_status 1860 ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt, 1861 ice_bitmap_t *bm, struct LIST_HEAD_TYPE *fv_list) 1862 { 1863 struct ice_sw_fv_list_entry *fvl; 1864 struct ice_sw_fv_list_entry *tmp; 1865 struct ice_pkg_enum state; 1866 struct ice_seg *ice_seg; 1867 struct ice_fv *fv; 1868 u32 offset; 1869 1870 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1871 1872 if (!ids_cnt || !hw->seg) 1873 return ICE_ERR_PARAM; 1874 1875 ice_seg = hw->seg; 1876 do { 1877 u16 i; 1878 1879 fv = (struct ice_fv *) 1880 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1881 &offset, ice_sw_fv_handler); 1882 if (!fv) 1883 break; 1884 ice_seg = NULL; 1885 1886 /* If field vector is not in the bitmap list, then skip this 1887 * profile. 1888 */ 1889 if (!ice_is_bit_set(bm, (u16)offset)) 1890 continue; 1891 1892 for (i = 0; i < ids_cnt; i++) { 1893 int j; 1894 1895 /* This code assumes that if a switch field vector line 1896 * has a matching protocol, then this line will contain 1897 * the entries necessary to represent every field in 1898 * that protocol header. 1899 */ 1900 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) 1901 if (fv->ew[j].prot_id == prot_ids[i]) 1902 break; 1903 if (j >= hw->blk[ICE_BLK_SW].es.fvw) 1904 break; 1905 if (i + 1 == ids_cnt) { 1906 fvl = (struct ice_sw_fv_list_entry *) 1907 ice_malloc(hw, sizeof(*fvl)); 1908 if (!fvl) 1909 goto err; 1910 fvl->fv_ptr = fv; 1911 fvl->profile_id = offset; 1912 LIST_ADD(&fvl->list_entry, fv_list); 1913 break; 1914 } 1915 } 1916 } while (fv); 1917 if (LIST_EMPTY(fv_list)) 1918 return ICE_ERR_CFG; 1919 return ICE_SUCCESS; 1920 1921 err: 1922 LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry, 1923 list_entry) { 1924 LIST_DEL(&fvl->list_entry); 1925 ice_free(hw, fvl); 1926 } 1927 1928 return ICE_ERR_NO_MEMORY; 1929 } 1930 1931 /** 1932 * ice_init_prof_result_bm - Initialize the profile result index bitmap 1933 * @hw: pointer to hardware structure 1934 */ 1935 void ice_init_prof_result_bm(struct ice_hw *hw) 1936 { 1937 struct ice_pkg_enum state; 1938 struct ice_seg *ice_seg; 1939 struct ice_fv *fv; 1940 1941 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1942 1943 if (!hw->seg) 1944 return; 1945 1946 ice_seg = hw->seg; 1947 do { 1948 u32 off; 1949 u16 i; 1950 1951 fv = (struct ice_fv *) 1952 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1953 &off, ice_sw_fv_handler); 1954 ice_seg = NULL; 1955 if (!fv) 1956 break; 1957 1958 ice_zero_bitmap(hw->switch_info->prof_res_bm[off], 1959 ICE_MAX_FV_WORDS); 1960 1961 /* Determine empty field vector indices, these can be 1962 * used for recipe results. Skip index 0, since it is 1963 * always used for Switch ID. 1964 */ 1965 for (i = 1; i < ICE_MAX_FV_WORDS; i++) 1966 if (fv->ew[i].prot_id == ICE_PROT_INVALID && 1967 fv->ew[i].off == ICE_FV_OFFSET_INVAL) 1968 ice_set_bit(i, 1969 hw->switch_info->prof_res_bm[off]); 1970 } while (fv); 1971 } 1972 1973 /** 1974 * ice_pkg_buf_free 1975 * @hw: pointer to the HW structure 1976 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1977 * 1978 * Frees a package buffer 1979 */ 1980 void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld) 1981 { 1982 ice_free(hw, bld); 1983 } 1984 1985 /** 1986 * ice_pkg_buf_reserve_section 1987 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1988 * @count: the number of sections to reserve 1989 * 1990 * Reserves one or more section table entries in a package buffer. This routine 1991 * can be called multiple times as long as they are made before calling 1992 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section() 1993 * is called once, the number of sections that can be allocated will not be able 1994 * to be increased; not using all reserved sections is fine, but this will 1995 * result in some wasted space in the buffer. 1996 * Note: all package contents must be in Little Endian form. 1997 */ 1998 static enum ice_status 1999 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count) 2000 { 2001 struct ice_buf_hdr *buf; 2002 u16 section_count; 2003 u16 data_end; 2004 2005 if (!bld) 2006 return ICE_ERR_PARAM; 2007 2008 buf = (struct ice_buf_hdr *)&bld->buf; 2009 2010 /* already an active section, can't increase table size */ 2011 section_count = LE16_TO_CPU(buf->section_count); 2012 if (section_count > 0) 2013 return ICE_ERR_CFG; 2014 2015 if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT) 2016 return ICE_ERR_CFG; 2017 bld->reserved_section_table_entries += count; 2018 2019 data_end = LE16_TO_CPU(buf->data_end) + 2020 FLEX_ARRAY_SIZE(buf, section_entry, count); 2021 buf->data_end = CPU_TO_LE16(data_end); 2022 2023 return ICE_SUCCESS; 2024 } 2025 2026 /** 2027 * ice_pkg_buf_alloc_section 2028 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 2029 * @type: the section type value 2030 * @size: the size of the section to reserve (in bytes) 2031 * 2032 * Reserves memory in the buffer for a section's content and updates the 2033 * buffers' status accordingly. This routine returns a pointer to the first 2034 * byte of the section start within the buffer, which is used to fill in the 2035 * section contents. 2036 * Note: all package contents must be in Little Endian form. 2037 */ 2038 static void * 2039 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size) 2040 { 2041 struct ice_buf_hdr *buf; 2042 u16 sect_count; 2043 u16 data_end; 2044 2045 if (!bld || !type || !size) 2046 return NULL; 2047 2048 buf = (struct ice_buf_hdr *)&bld->buf; 2049 2050 /* check for enough space left in buffer */ 2051 data_end = LE16_TO_CPU(buf->data_end); 2052 2053 /* section start must align on 4 byte boundary */ 2054 data_end = ICE_ALIGN(data_end, 4); 2055 2056 if ((data_end + size) > ICE_MAX_S_DATA_END) 2057 return NULL; 2058 2059 /* check for more available section table entries */ 2060 sect_count = LE16_TO_CPU(buf->section_count); 2061 if (sect_count < bld->reserved_section_table_entries) { 2062 void *section_ptr = ((u8 *)buf) + data_end; 2063 2064 buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end); 2065 buf->section_entry[sect_count].size = CPU_TO_LE16(size); 2066 buf->section_entry[sect_count].type = CPU_TO_LE32(type); 2067 2068 data_end += size; 2069 buf->data_end = CPU_TO_LE16(data_end); 2070 2071 buf->section_count = CPU_TO_LE16(sect_count + 1); 2072 return section_ptr; 2073 } 2074 2075 /* no free section table entries */ 2076 return NULL; 2077 } 2078 2079 /** 2080 * ice_pkg_buf_alloc_single_section 2081 * @hw: pointer to the HW structure 2082 * @type: the section type value 2083 * @size: the size of the section to reserve (in bytes) 2084 * @section: returns pointer to the section 2085 * 2086 * Allocates a package buffer with a single section. 2087 * Note: all package contents must be in Little Endian form. 2088 */ 2089 struct ice_buf_build * 2090 ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size, 2091 void **section) 2092 { 2093 struct ice_buf_build *buf; 2094 2095 if (!section) 2096 return NULL; 2097 2098 buf = ice_pkg_buf_alloc(hw); 2099 if (!buf) 2100 return NULL; 2101 2102 if (ice_pkg_buf_reserve_section(buf, 1)) 2103 goto ice_pkg_buf_alloc_single_section_err; 2104 2105 *section = ice_pkg_buf_alloc_section(buf, type, size); 2106 if (!*section) 2107 goto ice_pkg_buf_alloc_single_section_err; 2108 2109 return buf; 2110 2111 ice_pkg_buf_alloc_single_section_err: 2112 ice_pkg_buf_free(hw, buf); 2113 return NULL; 2114 } 2115 2116 /** 2117 * ice_pkg_buf_get_active_sections 2118 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 2119 * 2120 * Returns the number of active sections. Before using the package buffer 2121 * in an update package command, the caller should make sure that there is at 2122 * least one active section - otherwise, the buffer is not legal and should 2123 * not be used. 2124 * Note: all package contents must be in Little Endian form. 2125 */ 2126 static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld) 2127 { 2128 struct ice_buf_hdr *buf; 2129 2130 if (!bld) 2131 return 0; 2132 2133 buf = (struct ice_buf_hdr *)&bld->buf; 2134 return LE16_TO_CPU(buf->section_count); 2135 } 2136 2137 /** 2138 * ice_pkg_buf 2139 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 2140 * 2141 * Return a pointer to the buffer's header 2142 */ 2143 struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld) 2144 { 2145 if (!bld) 2146 return NULL; 2147 2148 return &bld->buf; 2149 } 2150 2151 /** 2152 * ice_tunnel_port_in_use_hlpr - helper function to determine tunnel usage 2153 * @hw: pointer to the HW structure 2154 * @port: port to search for 2155 * @index: optionally returns index 2156 * 2157 * Returns whether a port is already in use as a tunnel, and optionally its 2158 * index 2159 */ 2160 static bool ice_tunnel_port_in_use_hlpr(struct ice_hw *hw, u16 port, u16 *index) 2161 { 2162 u16 i; 2163 2164 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2165 if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) { 2166 if (index) 2167 *index = i; 2168 return true; 2169 } 2170 2171 return false; 2172 } 2173 2174 /** 2175 * ice_tunnel_port_in_use 2176 * @hw: pointer to the HW structure 2177 * @port: port to search for 2178 * @index: optionally returns index 2179 * 2180 * Returns whether a port is already in use as a tunnel, and optionally its 2181 * index 2182 */ 2183 bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index) 2184 { 2185 bool res; 2186 2187 ice_acquire_lock(&hw->tnl_lock); 2188 res = ice_tunnel_port_in_use_hlpr(hw, port, index); 2189 ice_release_lock(&hw->tnl_lock); 2190 2191 return res; 2192 } 2193 2194 /** 2195 * ice_tunnel_get_type 2196 * @hw: pointer to the HW structure 2197 * @port: port to search for 2198 * @type: returns tunnel index 2199 * 2200 * For a given port number, will return the type of tunnel. 2201 */ 2202 bool 2203 ice_tunnel_get_type(struct ice_hw *hw, u16 port, enum ice_tunnel_type *type) 2204 { 2205 bool res = false; 2206 u16 i; 2207 2208 ice_acquire_lock(&hw->tnl_lock); 2209 2210 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2211 if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) { 2212 *type = hw->tnl.tbl[i].type; 2213 res = true; 2214 break; 2215 } 2216 2217 ice_release_lock(&hw->tnl_lock); 2218 2219 return res; 2220 } 2221 2222 /** 2223 * ice_find_free_tunnel_entry 2224 * @hw: pointer to the HW structure 2225 * @type: tunnel type 2226 * @index: optionally returns index 2227 * 2228 * Returns whether there is a free tunnel entry, and optionally its index 2229 */ 2230 static bool 2231 ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type, 2232 u16 *index) 2233 { 2234 u16 i; 2235 2236 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2237 if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use && 2238 hw->tnl.tbl[i].type == type) { 2239 if (index) 2240 *index = i; 2241 return true; 2242 } 2243 2244 return false; 2245 } 2246 2247 /** 2248 * ice_get_open_tunnel_port - retrieve an open tunnel port 2249 * @hw: pointer to the HW structure 2250 * @type: tunnel type (TNL_ALL will return any open port) 2251 * @port: returns open port 2252 */ 2253 bool 2254 ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type, 2255 u16 *port) 2256 { 2257 bool res = false; 2258 u16 i; 2259 2260 ice_acquire_lock(&hw->tnl_lock); 2261 2262 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2263 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2264 (type == TNL_ALL || hw->tnl.tbl[i].type == type)) { 2265 *port = hw->tnl.tbl[i].port; 2266 res = true; 2267 break; 2268 } 2269 2270 ice_release_lock(&hw->tnl_lock); 2271 2272 return res; 2273 } 2274 2275 /** 2276 * ice_upd_dvm_boost_entry 2277 * @hw: pointer to the HW structure 2278 * @entry: pointer to double vlan boost entry info 2279 */ 2280 static enum ice_status 2281 ice_upd_dvm_boost_entry(struct ice_hw *hw, struct ice_dvm_entry *entry) 2282 { 2283 struct ice_boost_tcam_section *sect_rx, *sect_tx; 2284 enum ice_status status = ICE_ERR_MAX_LIMIT; 2285 struct ice_buf_build *bld; 2286 u8 val, dc, nm; 2287 2288 bld = ice_pkg_buf_alloc(hw); 2289 if (!bld) 2290 return ICE_ERR_NO_MEMORY; 2291 2292 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 2293 if (ice_pkg_buf_reserve_section(bld, 2)) 2294 goto ice_upd_dvm_boost_entry_err; 2295 2296 sect_rx = (struct ice_boost_tcam_section *) 2297 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 2298 ice_struct_size(sect_rx, tcam, 1)); 2299 if (!sect_rx) 2300 goto ice_upd_dvm_boost_entry_err; 2301 sect_rx->count = CPU_TO_LE16(1); 2302 2303 sect_tx = (struct ice_boost_tcam_section *) 2304 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 2305 ice_struct_size(sect_tx, tcam, 1)); 2306 if (!sect_tx) 2307 goto ice_upd_dvm_boost_entry_err; 2308 sect_tx->count = CPU_TO_LE16(1); 2309 2310 /* copy original boost entry to update package buffer */ 2311 ice_memcpy(sect_rx->tcam, entry->boost_entry, sizeof(*sect_rx->tcam), 2312 ICE_NONDMA_TO_NONDMA); 2313 2314 /* re-write the don't care and never match bits accordingly */ 2315 if (entry->enable) { 2316 /* all bits are don't care */ 2317 val = 0x00; 2318 dc = 0xFF; 2319 nm = 0x00; 2320 } else { 2321 /* disable, one never match bit, the rest are don't care */ 2322 val = 0x00; 2323 dc = 0xF7; 2324 nm = 0x08; 2325 } 2326 2327 ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key), 2328 &val, NULL, &dc, &nm, 0, sizeof(u8)); 2329 2330 /* exact copy of entry to Tx section entry */ 2331 ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam), 2332 ICE_NONDMA_TO_NONDMA); 2333 2334 status = ice_update_pkg_no_lock(hw, ice_pkg_buf(bld), 1); 2335 2336 ice_upd_dvm_boost_entry_err: 2337 ice_pkg_buf_free(hw, bld); 2338 2339 return status; 2340 } 2341 2342 /** 2343 * ice_set_dvm_boost_entries 2344 * @hw: pointer to the HW structure 2345 * 2346 * Enable double vlan by updating the appropriate boost tcam entries. 2347 */ 2348 enum ice_status ice_set_dvm_boost_entries(struct ice_hw *hw) 2349 { 2350 enum ice_status status; 2351 u16 i; 2352 2353 for (i = 0; i < hw->dvm_upd.count; i++) { 2354 status = ice_upd_dvm_boost_entry(hw, &hw->dvm_upd.tbl[i]); 2355 if (status) 2356 return status; 2357 } 2358 2359 return ICE_SUCCESS; 2360 } 2361 2362 /** 2363 * ice_create_tunnel 2364 * @hw: pointer to the HW structure 2365 * @type: type of tunnel 2366 * @port: port of tunnel to create 2367 * 2368 * Create a tunnel by updating the parse graph in the parser. We do that by 2369 * creating a package buffer with the tunnel info and issuing an update package 2370 * command. 2371 */ 2372 enum ice_status 2373 ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port) 2374 { 2375 struct ice_boost_tcam_section *sect_rx, *sect_tx; 2376 enum ice_status status = ICE_ERR_MAX_LIMIT; 2377 struct ice_buf_build *bld; 2378 u16 index; 2379 2380 ice_acquire_lock(&hw->tnl_lock); 2381 2382 if (ice_tunnel_port_in_use_hlpr(hw, port, &index)) { 2383 hw->tnl.tbl[index].ref++; 2384 status = ICE_SUCCESS; 2385 goto ice_create_tunnel_end; 2386 } 2387 2388 if (!ice_find_free_tunnel_entry(hw, type, &index)) { 2389 status = ICE_ERR_OUT_OF_RANGE; 2390 goto ice_create_tunnel_end; 2391 } 2392 2393 bld = ice_pkg_buf_alloc(hw); 2394 if (!bld) { 2395 status = ICE_ERR_NO_MEMORY; 2396 goto ice_create_tunnel_end; 2397 } 2398 2399 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 2400 if (ice_pkg_buf_reserve_section(bld, 2)) 2401 goto ice_create_tunnel_err; 2402 2403 sect_rx = (struct ice_boost_tcam_section *) 2404 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 2405 ice_struct_size(sect_rx, tcam, 1)); 2406 if (!sect_rx) 2407 goto ice_create_tunnel_err; 2408 sect_rx->count = CPU_TO_LE16(1); 2409 2410 sect_tx = (struct ice_boost_tcam_section *) 2411 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 2412 ice_struct_size(sect_tx, tcam, 1)); 2413 if (!sect_tx) 2414 goto ice_create_tunnel_err; 2415 sect_tx->count = CPU_TO_LE16(1); 2416 2417 /* copy original boost entry to update package buffer */ 2418 ice_memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry, 2419 sizeof(*sect_rx->tcam), ICE_NONDMA_TO_NONDMA); 2420 2421 /* over-write the never-match dest port key bits with the encoded port 2422 * bits 2423 */ 2424 ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key), 2425 (u8 *)&port, NULL, NULL, NULL, 2426 (u16)offsetof(struct ice_boost_key_value, hv_dst_port_key), 2427 sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key)); 2428 2429 /* exact copy of entry to Tx section entry */ 2430 ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam), 2431 ICE_NONDMA_TO_NONDMA); 2432 2433 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); 2434 if (!status) { 2435 hw->tnl.tbl[index].port = port; 2436 hw->tnl.tbl[index].in_use = true; 2437 hw->tnl.tbl[index].ref = 1; 2438 } 2439 2440 ice_create_tunnel_err: 2441 ice_pkg_buf_free(hw, bld); 2442 2443 ice_create_tunnel_end: 2444 ice_release_lock(&hw->tnl_lock); 2445 2446 return status; 2447 } 2448 2449 /** 2450 * ice_destroy_tunnel 2451 * @hw: pointer to the HW structure 2452 * @port: port of tunnel to destroy (ignored if the all parameter is true) 2453 * @all: flag that states to destroy all tunnels 2454 * 2455 * Destroys a tunnel or all tunnels by creating an update package buffer 2456 * targeting the specific updates requested and then performing an update 2457 * package. 2458 */ 2459 enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all) 2460 { 2461 struct ice_boost_tcam_section *sect_rx, *sect_tx; 2462 enum ice_status status = ICE_ERR_MAX_LIMIT; 2463 struct ice_buf_build *bld; 2464 u16 count = 0; 2465 u16 index; 2466 u16 size; 2467 u16 i, j; 2468 2469 ice_acquire_lock(&hw->tnl_lock); 2470 2471 if (!all && ice_tunnel_port_in_use_hlpr(hw, port, &index)) 2472 if (hw->tnl.tbl[index].ref > 1) { 2473 hw->tnl.tbl[index].ref--; 2474 status = ICE_SUCCESS; 2475 goto ice_destroy_tunnel_end; 2476 } 2477 2478 /* determine count */ 2479 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2480 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2481 (all || hw->tnl.tbl[i].port == port)) 2482 count++; 2483 2484 if (!count) { 2485 status = ICE_ERR_PARAM; 2486 goto ice_destroy_tunnel_end; 2487 } 2488 2489 /* size of section - there is at least one entry */ 2490 size = ice_struct_size(sect_rx, tcam, count); 2491 2492 bld = ice_pkg_buf_alloc(hw); 2493 if (!bld) { 2494 status = ICE_ERR_NO_MEMORY; 2495 goto ice_destroy_tunnel_end; 2496 } 2497 2498 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 2499 if (ice_pkg_buf_reserve_section(bld, 2)) 2500 goto ice_destroy_tunnel_err; 2501 2502 sect_rx = (struct ice_boost_tcam_section *) 2503 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 2504 size); 2505 if (!sect_rx) 2506 goto ice_destroy_tunnel_err; 2507 sect_rx->count = CPU_TO_LE16(count); 2508 2509 sect_tx = (struct ice_boost_tcam_section *) 2510 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 2511 size); 2512 if (!sect_tx) 2513 goto ice_destroy_tunnel_err; 2514 sect_tx->count = CPU_TO_LE16(count); 2515 2516 /* copy original boost entry to update package buffer, one copy to Rx 2517 * section, another copy to the Tx section 2518 */ 2519 for (i = 0, j = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2520 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2521 (all || hw->tnl.tbl[i].port == port)) { 2522 ice_memcpy(sect_rx->tcam + j, 2523 hw->tnl.tbl[i].boost_entry, 2524 sizeof(*sect_rx->tcam), 2525 ICE_NONDMA_TO_NONDMA); 2526 ice_memcpy(sect_tx->tcam + j, 2527 hw->tnl.tbl[i].boost_entry, 2528 sizeof(*sect_tx->tcam), 2529 ICE_NONDMA_TO_NONDMA); 2530 hw->tnl.tbl[i].marked = true; 2531 j++; 2532 } 2533 2534 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); 2535 if (!status) 2536 for (i = 0; i < hw->tnl.count && 2537 i < ICE_TUNNEL_MAX_ENTRIES; i++) 2538 if (hw->tnl.tbl[i].marked) { 2539 hw->tnl.tbl[i].ref = 0; 2540 hw->tnl.tbl[i].port = 0; 2541 hw->tnl.tbl[i].in_use = false; 2542 hw->tnl.tbl[i].marked = false; 2543 } 2544 2545 ice_destroy_tunnel_err: 2546 ice_pkg_buf_free(hw, bld); 2547 2548 ice_destroy_tunnel_end: 2549 ice_release_lock(&hw->tnl_lock); 2550 2551 return status; 2552 } 2553 2554 /** 2555 * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index 2556 * @hw: pointer to the hardware structure 2557 * @blk: hardware block 2558 * @prof: profile ID 2559 * @fv_idx: field vector word index 2560 * @prot: variable to receive the protocol ID 2561 * @off: variable to receive the protocol offset 2562 */ 2563 enum ice_status 2564 ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 fv_idx, 2565 u8 *prot, u16 *off) 2566 { 2567 struct ice_fv_word *fv_ext; 2568 2569 if (prof >= hw->blk[blk].es.count) 2570 return ICE_ERR_PARAM; 2571 2572 if (fv_idx >= hw->blk[blk].es.fvw) 2573 return ICE_ERR_PARAM; 2574 2575 fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw); 2576 2577 *prot = fv_ext[fv_idx].prot_id; 2578 *off = fv_ext[fv_idx].off; 2579 2580 return ICE_SUCCESS; 2581 } 2582 2583 /* PTG Management */ 2584 2585 /** 2586 * ice_ptg_find_ptype - Search for packet type group using packet type (ptype) 2587 * @hw: pointer to the hardware structure 2588 * @blk: HW block 2589 * @ptype: the ptype to search for 2590 * @ptg: pointer to variable that receives the PTG 2591 * 2592 * This function will search the PTGs for a particular ptype, returning the 2593 * PTG ID that contains it through the PTG parameter, with the value of 2594 * ICE_DEFAULT_PTG (0) meaning it is part the default PTG. 2595 */ 2596 static enum ice_status 2597 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg) 2598 { 2599 if (ptype >= ICE_XLT1_CNT || !ptg) 2600 return ICE_ERR_PARAM; 2601 2602 *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg; 2603 return ICE_SUCCESS; 2604 } 2605 2606 /** 2607 * ice_ptg_alloc_val - Allocates a new packet type group ID by value 2608 * @hw: pointer to the hardware structure 2609 * @blk: HW block 2610 * @ptg: the PTG to allocate 2611 * 2612 * This function allocates a given packet type group ID specified by the PTG 2613 * parameter. 2614 */ 2615 static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg) 2616 { 2617 hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true; 2618 } 2619 2620 /** 2621 * ice_ptg_remove_ptype - Removes ptype from a particular packet type group 2622 * @hw: pointer to the hardware structure 2623 * @blk: HW block 2624 * @ptype: the ptype to remove 2625 * @ptg: the PTG to remove the ptype from 2626 * 2627 * This function will remove the ptype from the specific PTG, and move it to 2628 * the default PTG (ICE_DEFAULT_PTG). 2629 */ 2630 static enum ice_status 2631 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) 2632 { 2633 struct ice_ptg_ptype **ch; 2634 struct ice_ptg_ptype *p; 2635 2636 if (ptype > ICE_XLT1_CNT - 1) 2637 return ICE_ERR_PARAM; 2638 2639 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use) 2640 return ICE_ERR_DOES_NOT_EXIST; 2641 2642 /* Should not happen if .in_use is set, bad config */ 2643 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype) 2644 return ICE_ERR_CFG; 2645 2646 /* find the ptype within this PTG, and bypass the link over it */ 2647 p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2648 ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2649 while (p) { 2650 if (ptype == (p - hw->blk[blk].xlt1.ptypes)) { 2651 *ch = p->next_ptype; 2652 break; 2653 } 2654 2655 ch = &p->next_ptype; 2656 p = p->next_ptype; 2657 } 2658 2659 hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG; 2660 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL; 2661 2662 return ICE_SUCCESS; 2663 } 2664 2665 /** 2666 * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group 2667 * @hw: pointer to the hardware structure 2668 * @blk: HW block 2669 * @ptype: the ptype to add or move 2670 * @ptg: the PTG to add or move the ptype to 2671 * 2672 * This function will either add or move a ptype to a particular PTG depending 2673 * on if the ptype is already part of another group. Note that using a 2674 * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the 2675 * default PTG. 2676 */ 2677 static enum ice_status 2678 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) 2679 { 2680 enum ice_status status; 2681 u8 original_ptg; 2682 2683 if (ptype > ICE_XLT1_CNT - 1) 2684 return ICE_ERR_PARAM; 2685 2686 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG) 2687 return ICE_ERR_DOES_NOT_EXIST; 2688 2689 status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg); 2690 if (status) 2691 return status; 2692 2693 /* Is ptype already in the correct PTG? */ 2694 if (original_ptg == ptg) 2695 return ICE_SUCCESS; 2696 2697 /* Remove from original PTG and move back to the default PTG */ 2698 if (original_ptg != ICE_DEFAULT_PTG) 2699 ice_ptg_remove_ptype(hw, blk, ptype, original_ptg); 2700 2701 /* Moving to default PTG? Then we're done with this request */ 2702 if (ptg == ICE_DEFAULT_PTG) 2703 return ICE_SUCCESS; 2704 2705 /* Add ptype to PTG at beginning of list */ 2706 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = 2707 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2708 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype = 2709 &hw->blk[blk].xlt1.ptypes[ptype]; 2710 2711 hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg; 2712 hw->blk[blk].xlt1.t[ptype] = ptg; 2713 2714 return ICE_SUCCESS; 2715 } 2716 2717 /* Block / table size info */ 2718 struct ice_blk_size_details { 2719 u16 xlt1; /* # XLT1 entries */ 2720 u16 xlt2; /* # XLT2 entries */ 2721 u16 prof_tcam; /* # profile ID TCAM entries */ 2722 u16 prof_id; /* # profile IDs */ 2723 u8 prof_cdid_bits; /* # CDID one-hot bits used in key */ 2724 u16 prof_redir; /* # profile redirection entries */ 2725 u16 es; /* # extraction sequence entries */ 2726 u16 fvw; /* # field vector words */ 2727 u8 overwrite; /* overwrite existing entries allowed */ 2728 u8 reverse; /* reverse FV order */ 2729 }; 2730 2731 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = { 2732 /** 2733 * Table Definitions 2734 * XLT1 - Number of entries in XLT1 table 2735 * XLT2 - Number of entries in XLT2 table 2736 * TCAM - Number of entries Profile ID TCAM table 2737 * CDID - Control Domain ID of the hardware block 2738 * PRED - Number of entries in the Profile Redirection Table 2739 * FV - Number of entries in the Field Vector 2740 * FVW - Width (in WORDs) of the Field Vector 2741 * OVR - Overwrite existing table entries 2742 * REV - Reverse FV 2743 */ 2744 /* XLT1 , XLT2 ,TCAM, PID,CDID,PRED, FV, FVW */ 2745 /* Overwrite , Reverse FV */ 2746 /* SW */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256, 0, 256, 256, 48, 2747 false, false }, 2748 /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 32, 2749 false, false }, 2750 /* FD */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24, 2751 false, true }, 2752 /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24, 2753 true, true }, 2754 /* PE */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 64, 32, 0, 32, 32, 24, 2755 false, false }, 2756 }; 2757 2758 enum ice_sid_all { 2759 ICE_SID_XLT1_OFF = 0, 2760 ICE_SID_XLT2_OFF, 2761 ICE_SID_PR_OFF, 2762 ICE_SID_PR_REDIR_OFF, 2763 ICE_SID_ES_OFF, 2764 ICE_SID_OFF_COUNT, 2765 }; 2766 2767 /* Characteristic handling */ 2768 2769 /** 2770 * ice_match_prop_lst - determine if properties of two lists match 2771 * @list1: first properties list 2772 * @list2: second properties list 2773 * 2774 * Count, cookies and the order must match in order to be considered equivalent. 2775 */ 2776 static bool 2777 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2) 2778 { 2779 struct ice_vsig_prof *tmp1; 2780 struct ice_vsig_prof *tmp2; 2781 u16 chk_count = 0; 2782 u16 count = 0; 2783 2784 /* compare counts */ 2785 LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list) 2786 count++; 2787 LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list) 2788 chk_count++; 2789 if (!count || count != chk_count) 2790 return false; 2791 2792 tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list); 2793 tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list); 2794 2795 /* profile cookies must compare, and in the exact same order to take 2796 * into account priority 2797 */ 2798 while (count--) { 2799 if (tmp2->profile_cookie != tmp1->profile_cookie) 2800 return false; 2801 2802 tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list); 2803 tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list); 2804 } 2805 2806 return true; 2807 } 2808 2809 /* VSIG Management */ 2810 2811 /** 2812 * ice_vsig_find_vsi - find a VSIG that contains a specified VSI 2813 * @hw: pointer to the hardware structure 2814 * @blk: HW block 2815 * @vsi: VSI of interest 2816 * @vsig: pointer to receive the VSI group 2817 * 2818 * This function will lookup the VSI entry in the XLT2 list and return 2819 * the VSI group its associated with. 2820 */ 2821 enum ice_status 2822 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig) 2823 { 2824 if (!vsig || vsi >= ICE_MAX_VSI) 2825 return ICE_ERR_PARAM; 2826 2827 /* As long as there's a default or valid VSIG associated with the input 2828 * VSI, the functions returns a success. Any handling of VSIG will be 2829 * done by the following add, update or remove functions. 2830 */ 2831 *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig; 2832 2833 return ICE_SUCCESS; 2834 } 2835 2836 /** 2837 * ice_vsig_alloc_val - allocate a new VSIG by value 2838 * @hw: pointer to the hardware structure 2839 * @blk: HW block 2840 * @vsig: the VSIG to allocate 2841 * 2842 * This function will allocate a given VSIG specified by the VSIG parameter. 2843 */ 2844 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig) 2845 { 2846 u16 idx = vsig & ICE_VSIG_IDX_M; 2847 2848 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) { 2849 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst); 2850 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true; 2851 } 2852 2853 return ICE_VSIG_VALUE(idx, hw->pf_id); 2854 } 2855 2856 /** 2857 * ice_vsig_alloc - Finds a free entry and allocates a new VSIG 2858 * @hw: pointer to the hardware structure 2859 * @blk: HW block 2860 * 2861 * This function will iterate through the VSIG list and mark the first 2862 * unused entry for the new VSIG entry as used and return that value. 2863 */ 2864 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk) 2865 { 2866 u16 i; 2867 2868 for (i = 1; i < ICE_MAX_VSIGS; i++) 2869 if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use) 2870 return ice_vsig_alloc_val(hw, blk, i); 2871 2872 return ICE_DEFAULT_VSIG; 2873 } 2874 2875 /** 2876 * ice_find_dup_props_vsig - find VSI group with a specified set of properties 2877 * @hw: pointer to the hardware structure 2878 * @blk: HW block 2879 * @chs: characteristic list 2880 * @vsig: returns the VSIG with the matching profiles, if found 2881 * 2882 * Each VSIG is associated with a characteristic set; i.e. all VSIs under 2883 * a group have the same characteristic set. To check if there exists a VSIG 2884 * which has the same characteristics as the input characteristics; this 2885 * function will iterate through the XLT2 list and return the VSIG that has a 2886 * matching configuration. In order to make sure that priorities are accounted 2887 * for, the list must match exactly, including the order in which the 2888 * characteristics are listed. 2889 */ 2890 static enum ice_status 2891 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk, 2892 struct LIST_HEAD_TYPE *chs, u16 *vsig) 2893 { 2894 struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2; 2895 u16 i; 2896 2897 for (i = 0; i < xlt2->count; i++) 2898 if (xlt2->vsig_tbl[i].in_use && 2899 ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) { 2900 *vsig = ICE_VSIG_VALUE(i, hw->pf_id); 2901 return ICE_SUCCESS; 2902 } 2903 2904 return ICE_ERR_DOES_NOT_EXIST; 2905 } 2906 2907 /** 2908 * ice_vsig_free - free VSI group 2909 * @hw: pointer to the hardware structure 2910 * @blk: HW block 2911 * @vsig: VSIG to remove 2912 * 2913 * The function will remove all VSIs associated with the input VSIG and move 2914 * them to the DEFAULT_VSIG and mark the VSIG available. 2915 */ 2916 static enum ice_status 2917 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) 2918 { 2919 struct ice_vsig_prof *dtmp, *del; 2920 struct ice_vsig_vsi *vsi_cur; 2921 u16 idx; 2922 2923 idx = vsig & ICE_VSIG_IDX_M; 2924 if (idx >= ICE_MAX_VSIGS) 2925 return ICE_ERR_PARAM; 2926 2927 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 2928 return ICE_ERR_DOES_NOT_EXIST; 2929 2930 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false; 2931 2932 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2933 /* If the VSIG has at least 1 VSI then iterate through the 2934 * list and remove the VSIs before deleting the group. 2935 */ 2936 if (vsi_cur) { 2937 /* remove all vsis associated with this VSIG XLT2 entry */ 2938 do { 2939 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; 2940 2941 vsi_cur->vsig = ICE_DEFAULT_VSIG; 2942 vsi_cur->changed = 1; 2943 vsi_cur->next_vsi = NULL; 2944 vsi_cur = tmp; 2945 } while (vsi_cur); 2946 2947 /* NULL terminate head of VSI list */ 2948 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL; 2949 } 2950 2951 /* free characteristic list */ 2952 LIST_FOR_EACH_ENTRY_SAFE(del, dtmp, 2953 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 2954 ice_vsig_prof, list) { 2955 LIST_DEL(&del->list); 2956 ice_free(hw, del); 2957 } 2958 2959 /* if VSIG characteristic list was cleared for reset 2960 * re-initialize the list head 2961 */ 2962 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst); 2963 2964 return ICE_SUCCESS; 2965 } 2966 2967 /** 2968 * ice_vsig_remove_vsi - remove VSI from VSIG 2969 * @hw: pointer to the hardware structure 2970 * @blk: HW block 2971 * @vsi: VSI to remove 2972 * @vsig: VSI group to remove from 2973 * 2974 * The function will remove the input VSI from its VSI group and move it 2975 * to the DEFAULT_VSIG. 2976 */ 2977 static enum ice_status 2978 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 2979 { 2980 struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt; 2981 u16 idx; 2982 2983 idx = vsig & ICE_VSIG_IDX_M; 2984 2985 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) 2986 return ICE_ERR_PARAM; 2987 2988 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 2989 return ICE_ERR_DOES_NOT_EXIST; 2990 2991 /* entry already in default VSIG, don't have to remove */ 2992 if (idx == ICE_DEFAULT_VSIG) 2993 return ICE_SUCCESS; 2994 2995 vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2996 if (!(*vsi_head)) 2997 return ICE_ERR_CFG; 2998 2999 vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi]; 3000 vsi_cur = (*vsi_head); 3001 3002 /* iterate the VSI list, skip over the entry to be removed */ 3003 while (vsi_cur) { 3004 if (vsi_tgt == vsi_cur) { 3005 (*vsi_head) = vsi_cur->next_vsi; 3006 break; 3007 } 3008 vsi_head = &vsi_cur->next_vsi; 3009 vsi_cur = vsi_cur->next_vsi; 3010 } 3011 3012 /* verify if VSI was removed from group list */ 3013 if (!vsi_cur) 3014 return ICE_ERR_DOES_NOT_EXIST; 3015 3016 vsi_cur->vsig = ICE_DEFAULT_VSIG; 3017 vsi_cur->changed = 1; 3018 vsi_cur->next_vsi = NULL; 3019 3020 return ICE_SUCCESS; 3021 } 3022 3023 /** 3024 * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group 3025 * @hw: pointer to the hardware structure 3026 * @blk: HW block 3027 * @vsi: VSI to move 3028 * @vsig: destination VSI group 3029 * 3030 * This function will move or add the input VSI to the target VSIG. 3031 * The function will find the original VSIG the VSI belongs to and 3032 * move the entry to the DEFAULT_VSIG, update the original VSIG and 3033 * then move entry to the new VSIG. 3034 */ 3035 static enum ice_status 3036 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 3037 { 3038 struct ice_vsig_vsi *tmp; 3039 enum ice_status status; 3040 u16 orig_vsig, idx; 3041 3042 idx = vsig & ICE_VSIG_IDX_M; 3043 3044 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) 3045 return ICE_ERR_PARAM; 3046 3047 /* if VSIG not in use and VSIG is not default type this VSIG 3048 * doesn't exist. 3049 */ 3050 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use && 3051 vsig != ICE_DEFAULT_VSIG) 3052 return ICE_ERR_DOES_NOT_EXIST; 3053 3054 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); 3055 if (status) 3056 return status; 3057 3058 /* no update required if vsigs match */ 3059 if (orig_vsig == vsig) 3060 return ICE_SUCCESS; 3061 3062 if (orig_vsig != ICE_DEFAULT_VSIG) { 3063 /* remove entry from orig_vsig and add to default VSIG */ 3064 status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig); 3065 if (status) 3066 return status; 3067 } 3068 3069 if (idx == ICE_DEFAULT_VSIG) 3070 return ICE_SUCCESS; 3071 3072 /* Create VSI entry and add VSIG and prop_mask values */ 3073 hw->blk[blk].xlt2.vsis[vsi].vsig = vsig; 3074 hw->blk[blk].xlt2.vsis[vsi].changed = 1; 3075 3076 /* Add new entry to the head of the VSIG list */ 3077 tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 3078 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = 3079 &hw->blk[blk].xlt2.vsis[vsi]; 3080 hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp; 3081 hw->blk[blk].xlt2.t[vsi] = vsig; 3082 3083 return ICE_SUCCESS; 3084 } 3085 3086 /** 3087 * ice_prof_has_mask_idx - determine if profile index masking is identical 3088 * @hw: pointer to the hardware structure 3089 * @blk: HW block 3090 * @prof: profile to check 3091 * @idx: profile index to check 3092 * @mask: mask to match 3093 */ 3094 static bool 3095 ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx, 3096 u16 mask) 3097 { 3098 bool expect_no_mask = false; 3099 bool found = false; 3100 bool match = false; 3101 u16 i; 3102 3103 /* If mask is 0x0000 or 0xffff, then there is no masking */ 3104 if (mask == 0 || mask == 0xffff) 3105 expect_no_mask = true; 3106 3107 /* Scan the enabled masks on this profile, for the specified idx */ 3108 for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first + 3109 hw->blk[blk].masks.count; i++) 3110 if (hw->blk[blk].es.mask_ena[prof] & BIT(i)) 3111 if (hw->blk[blk].masks.masks[i].in_use && 3112 hw->blk[blk].masks.masks[i].idx == idx) { 3113 found = true; 3114 if (hw->blk[blk].masks.masks[i].mask == mask) 3115 match = true; 3116 break; 3117 } 3118 3119 if (expect_no_mask) { 3120 if (found) 3121 return false; 3122 } else { 3123 if (!match) 3124 return false; 3125 } 3126 3127 return true; 3128 } 3129 3130 /** 3131 * ice_prof_has_mask - determine if profile masking is identical 3132 * @hw: pointer to the hardware structure 3133 * @blk: HW block 3134 * @prof: profile to check 3135 * @masks: masks to match 3136 */ 3137 static bool 3138 ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks) 3139 { 3140 u16 i; 3141 3142 /* es->mask_ena[prof] will have the mask */ 3143 for (i = 0; i < hw->blk[blk].es.fvw; i++) 3144 if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i])) 3145 return false; 3146 3147 return true; 3148 } 3149 3150 /** 3151 * ice_find_prof_id_with_mask - find profile ID for a given field vector 3152 * @hw: pointer to the hardware structure 3153 * @blk: HW block 3154 * @fv: field vector to search for 3155 * @masks: masks for fv 3156 * @prof_id: receives the profile ID 3157 */ 3158 static enum ice_status 3159 ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk, 3160 struct ice_fv_word *fv, u16 *masks, u8 *prof_id) 3161 { 3162 struct ice_es *es = &hw->blk[blk].es; 3163 u8 i; 3164 3165 /* For FD and RSS, we don't want to re-use an existed profile with the 3166 * same field vector and mask. This will cause rule interference. 3167 */ 3168 if (blk == ICE_BLK_FD || blk == ICE_BLK_RSS) 3169 return ICE_ERR_DOES_NOT_EXIST; 3170 3171 for (i = 0; i < (u8)es->count; i++) { 3172 u16 off = i * es->fvw; 3173 3174 if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv))) 3175 continue; 3176 3177 /* check if masks settings are the same for this profile */ 3178 if (masks && !ice_prof_has_mask(hw, blk, i, masks)) 3179 continue; 3180 3181 *prof_id = i; 3182 return ICE_SUCCESS; 3183 } 3184 3185 return ICE_ERR_DOES_NOT_EXIST; 3186 } 3187 3188 /** 3189 * ice_prof_id_rsrc_type - get profile ID resource type for a block type 3190 * @blk: the block type 3191 * @rsrc_type: pointer to variable to receive the resource type 3192 */ 3193 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type) 3194 { 3195 switch (blk) { 3196 case ICE_BLK_SW: 3197 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID; 3198 break; 3199 case ICE_BLK_ACL: 3200 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID; 3201 break; 3202 case ICE_BLK_FD: 3203 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID; 3204 break; 3205 case ICE_BLK_RSS: 3206 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID; 3207 break; 3208 case ICE_BLK_PE: 3209 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID; 3210 break; 3211 default: 3212 return false; 3213 } 3214 return true; 3215 } 3216 3217 /** 3218 * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type 3219 * @blk: the block type 3220 * @rsrc_type: pointer to variable to receive the resource type 3221 */ 3222 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type) 3223 { 3224 switch (blk) { 3225 case ICE_BLK_SW: 3226 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM; 3227 break; 3228 case ICE_BLK_ACL: 3229 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM; 3230 break; 3231 case ICE_BLK_FD: 3232 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM; 3233 break; 3234 case ICE_BLK_RSS: 3235 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM; 3236 break; 3237 case ICE_BLK_PE: 3238 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM; 3239 break; 3240 default: 3241 return false; 3242 } 3243 return true; 3244 } 3245 3246 /** 3247 * ice_alloc_tcam_ent - allocate hardware TCAM entry 3248 * @hw: pointer to the HW struct 3249 * @blk: the block to allocate the TCAM for 3250 * @btm: true to allocate from bottom of table, false to allocate from top 3251 * @tcam_idx: pointer to variable to receive the TCAM entry 3252 * 3253 * This function allocates a new entry in a Profile ID TCAM for a specific 3254 * block. 3255 */ 3256 static enum ice_status 3257 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, bool btm, 3258 u16 *tcam_idx) 3259 { 3260 u16 res_type; 3261 3262 if (!ice_tcam_ent_rsrc_type(blk, &res_type)) 3263 return ICE_ERR_PARAM; 3264 3265 return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx); 3266 } 3267 3268 /** 3269 * ice_free_tcam_ent - free hardware TCAM entry 3270 * @hw: pointer to the HW struct 3271 * @blk: the block from which to free the TCAM entry 3272 * @tcam_idx: the TCAM entry to free 3273 * 3274 * This function frees an entry in a Profile ID TCAM for a specific block. 3275 */ 3276 static enum ice_status 3277 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx) 3278 { 3279 u16 res_type; 3280 3281 if (!ice_tcam_ent_rsrc_type(blk, &res_type)) 3282 return ICE_ERR_PARAM; 3283 3284 return ice_free_hw_res(hw, res_type, 1, &tcam_idx); 3285 } 3286 3287 /** 3288 * ice_alloc_prof_id - allocate profile ID 3289 * @hw: pointer to the HW struct 3290 * @blk: the block to allocate the profile ID for 3291 * @prof_id: pointer to variable to receive the profile ID 3292 * 3293 * This function allocates a new profile ID, which also corresponds to a Field 3294 * Vector (Extraction Sequence) entry. 3295 */ 3296 static enum ice_status 3297 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id) 3298 { 3299 enum ice_status status; 3300 u16 res_type; 3301 u16 get_prof; 3302 3303 if (!ice_prof_id_rsrc_type(blk, &res_type)) 3304 return ICE_ERR_PARAM; 3305 3306 status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof); 3307 if (!status) 3308 *prof_id = (u8)get_prof; 3309 3310 return status; 3311 } 3312 3313 /** 3314 * ice_free_prof_id - free profile ID 3315 * @hw: pointer to the HW struct 3316 * @blk: the block from which to free the profile ID 3317 * @prof_id: the profile ID to free 3318 * 3319 * This function frees a profile ID, which also corresponds to a Field Vector. 3320 */ 3321 static enum ice_status 3322 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3323 { 3324 u16 tmp_prof_id = (u16)prof_id; 3325 u16 res_type; 3326 3327 if (!ice_prof_id_rsrc_type(blk, &res_type)) 3328 return ICE_ERR_PARAM; 3329 3330 return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id); 3331 } 3332 3333 /** 3334 * ice_prof_inc_ref - increment reference count for profile 3335 * @hw: pointer to the HW struct 3336 * @blk: the block from which to free the profile ID 3337 * @prof_id: the profile ID for which to increment the reference count 3338 */ 3339 static enum ice_status 3340 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3341 { 3342 if (prof_id > hw->blk[blk].es.count) 3343 return ICE_ERR_PARAM; 3344 3345 hw->blk[blk].es.ref_count[prof_id]++; 3346 3347 return ICE_SUCCESS; 3348 } 3349 3350 /** 3351 * ice_write_prof_mask_reg - write profile mask register 3352 * @hw: pointer to the HW struct 3353 * @blk: hardware block 3354 * @mask_idx: mask index 3355 * @idx: index of the FV which will use the mask 3356 * @mask: the 16-bit mask 3357 */ 3358 static void 3359 ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx, 3360 u16 idx, u16 mask) 3361 { 3362 u32 offset; 3363 u32 val; 3364 3365 switch (blk) { 3366 case ICE_BLK_RSS: 3367 offset = GLQF_HMASK(mask_idx); 3368 val = (idx << GLQF_HMASK_MSK_INDEX_S) & 3369 GLQF_HMASK_MSK_INDEX_M; 3370 val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M; 3371 break; 3372 case ICE_BLK_FD: 3373 offset = GLQF_FDMASK(mask_idx); 3374 val = (idx << GLQF_FDMASK_MSK_INDEX_S) & 3375 GLQF_FDMASK_MSK_INDEX_M; 3376 val |= (mask << GLQF_FDMASK_MASK_S) & 3377 GLQF_FDMASK_MASK_M; 3378 break; 3379 default: 3380 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", 3381 blk); 3382 return; 3383 } 3384 3385 wr32(hw, offset, val); 3386 ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n", 3387 blk, idx, offset, val); 3388 } 3389 3390 /** 3391 * ice_write_prof_mask_enable_res - write profile mask enable register 3392 * @hw: pointer to the HW struct 3393 * @blk: hardware block 3394 * @prof_id: profile ID 3395 * @enable_mask: enable mask 3396 */ 3397 static void 3398 ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk, 3399 u16 prof_id, u32 enable_mask) 3400 { 3401 u32 offset; 3402 3403 switch (blk) { 3404 case ICE_BLK_RSS: 3405 offset = GLQF_HMASK_SEL(prof_id); 3406 break; 3407 case ICE_BLK_FD: 3408 offset = GLQF_FDMASK_SEL(prof_id); 3409 break; 3410 default: 3411 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", 3412 blk); 3413 return; 3414 } 3415 3416 wr32(hw, offset, enable_mask); 3417 ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n", 3418 blk, prof_id, offset, enable_mask); 3419 } 3420 3421 /** 3422 * ice_init_prof_masks - initial prof masks 3423 * @hw: pointer to the HW struct 3424 * @blk: hardware block 3425 */ 3426 static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk) 3427 { 3428 u16 per_pf; 3429 u16 i; 3430 3431 ice_init_lock(&hw->blk[blk].masks.lock); 3432 3433 per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs; 3434 3435 hw->blk[blk].masks.count = per_pf; 3436 hw->blk[blk].masks.first = hw->pf_id * per_pf; 3437 3438 ice_memset(hw->blk[blk].masks.masks, 0, 3439 sizeof(hw->blk[blk].masks.masks), ICE_NONDMA_MEM); 3440 3441 for (i = hw->blk[blk].masks.first; 3442 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) 3443 ice_write_prof_mask_reg(hw, blk, i, 0, 0); 3444 } 3445 3446 /** 3447 * ice_init_all_prof_masks - initial all prof masks 3448 * @hw: pointer to the HW struct 3449 */ 3450 void ice_init_all_prof_masks(struct ice_hw *hw) 3451 { 3452 ice_init_prof_masks(hw, ICE_BLK_RSS); 3453 ice_init_prof_masks(hw, ICE_BLK_FD); 3454 } 3455 3456 /** 3457 * ice_alloc_prof_mask - allocate profile mask 3458 * @hw: pointer to the HW struct 3459 * @blk: hardware block 3460 * @idx: index of FV which will use the mask 3461 * @mask: the 16-bit mask 3462 * @mask_idx: variable to receive the mask index 3463 */ 3464 static enum ice_status 3465 ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask, 3466 u16 *mask_idx) 3467 { 3468 bool found_unused = false, found_copy = false; 3469 enum ice_status status = ICE_ERR_MAX_LIMIT; 3470 u16 unused_idx = 0, copy_idx = 0; 3471 u16 i; 3472 3473 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3474 return ICE_ERR_PARAM; 3475 3476 ice_acquire_lock(&hw->blk[blk].masks.lock); 3477 3478 for (i = hw->blk[blk].masks.first; 3479 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) 3480 if (hw->blk[blk].masks.masks[i].in_use) { 3481 /* if mask is in use and it exactly duplicates the 3482 * desired mask and index, then in can be reused 3483 */ 3484 if (hw->blk[blk].masks.masks[i].mask == mask && 3485 hw->blk[blk].masks.masks[i].idx == idx) { 3486 found_copy = true; 3487 copy_idx = i; 3488 break; 3489 } 3490 } else { 3491 /* save off unused index, but keep searching in case 3492 * there is an exact match later on 3493 */ 3494 if (!found_unused) { 3495 found_unused = true; 3496 unused_idx = i; 3497 } 3498 } 3499 3500 if (found_copy) 3501 i = copy_idx; 3502 else if (found_unused) 3503 i = unused_idx; 3504 else 3505 goto err_ice_alloc_prof_mask; 3506 3507 /* update mask for a new entry */ 3508 if (found_unused) { 3509 hw->blk[blk].masks.masks[i].in_use = true; 3510 hw->blk[blk].masks.masks[i].mask = mask; 3511 hw->blk[blk].masks.masks[i].idx = idx; 3512 hw->blk[blk].masks.masks[i].ref = 0; 3513 ice_write_prof_mask_reg(hw, blk, i, idx, mask); 3514 } 3515 3516 hw->blk[blk].masks.masks[i].ref++; 3517 *mask_idx = i; 3518 status = ICE_SUCCESS; 3519 3520 err_ice_alloc_prof_mask: 3521 ice_release_lock(&hw->blk[blk].masks.lock); 3522 3523 return status; 3524 } 3525 3526 /** 3527 * ice_free_prof_mask - free profile mask 3528 * @hw: pointer to the HW struct 3529 * @blk: hardware block 3530 * @mask_idx: index of mask 3531 */ 3532 static enum ice_status 3533 ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx) 3534 { 3535 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3536 return ICE_ERR_PARAM; 3537 3538 if (!(mask_idx >= hw->blk[blk].masks.first && 3539 mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count)) 3540 return ICE_ERR_DOES_NOT_EXIST; 3541 3542 ice_acquire_lock(&hw->blk[blk].masks.lock); 3543 3544 if (!hw->blk[blk].masks.masks[mask_idx].in_use) 3545 goto exit_ice_free_prof_mask; 3546 3547 if (hw->blk[blk].masks.masks[mask_idx].ref > 1) { 3548 hw->blk[blk].masks.masks[mask_idx].ref--; 3549 goto exit_ice_free_prof_mask; 3550 } 3551 3552 /* remove mask */ 3553 hw->blk[blk].masks.masks[mask_idx].in_use = false; 3554 hw->blk[blk].masks.masks[mask_idx].mask = 0; 3555 hw->blk[blk].masks.masks[mask_idx].idx = 0; 3556 3557 /* update mask as unused entry */ 3558 ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d\n", blk, 3559 mask_idx); 3560 ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0); 3561 3562 exit_ice_free_prof_mask: 3563 ice_release_lock(&hw->blk[blk].masks.lock); 3564 3565 return ICE_SUCCESS; 3566 } 3567 3568 /** 3569 * ice_free_prof_masks - free all profile masks for a profile 3570 * @hw: pointer to the HW struct 3571 * @blk: hardware block 3572 * @prof_id: profile ID 3573 */ 3574 static enum ice_status 3575 ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id) 3576 { 3577 u32 mask_bm; 3578 u16 i; 3579 3580 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3581 return ICE_ERR_PARAM; 3582 3583 mask_bm = hw->blk[blk].es.mask_ena[prof_id]; 3584 for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++) 3585 if (mask_bm & BIT(i)) 3586 ice_free_prof_mask(hw, blk, i); 3587 3588 return ICE_SUCCESS; 3589 } 3590 3591 /** 3592 * ice_shutdown_prof_masks - releases lock for masking 3593 * @hw: pointer to the HW struct 3594 * @blk: hardware block 3595 * 3596 * This should be called before unloading the driver 3597 */ 3598 static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk) 3599 { 3600 u16 i; 3601 3602 ice_acquire_lock(&hw->blk[blk].masks.lock); 3603 3604 for (i = hw->blk[blk].masks.first; 3605 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) { 3606 ice_write_prof_mask_reg(hw, blk, i, 0, 0); 3607 3608 hw->blk[blk].masks.masks[i].in_use = false; 3609 hw->blk[blk].masks.masks[i].idx = 0; 3610 hw->blk[blk].masks.masks[i].mask = 0; 3611 } 3612 3613 ice_release_lock(&hw->blk[blk].masks.lock); 3614 ice_destroy_lock(&hw->blk[blk].masks.lock); 3615 } 3616 3617 /** 3618 * ice_shutdown_all_prof_masks - releases all locks for masking 3619 * @hw: pointer to the HW struct 3620 * 3621 * This should be called before unloading the driver 3622 */ 3623 void ice_shutdown_all_prof_masks(struct ice_hw *hw) 3624 { 3625 ice_shutdown_prof_masks(hw, ICE_BLK_RSS); 3626 ice_shutdown_prof_masks(hw, ICE_BLK_FD); 3627 } 3628 3629 /** 3630 * ice_update_prof_masking - set registers according to masking 3631 * @hw: pointer to the HW struct 3632 * @blk: hardware block 3633 * @prof_id: profile ID 3634 * @masks: masks 3635 */ 3636 static enum ice_status 3637 ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id, 3638 u16 *masks) 3639 { 3640 bool err = false; 3641 u32 ena_mask = 0; 3642 u16 idx; 3643 u16 i; 3644 3645 /* Only support FD and RSS masking, otherwise nothing to be done */ 3646 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3647 return ICE_SUCCESS; 3648 3649 for (i = 0; i < hw->blk[blk].es.fvw; i++) 3650 if (masks[i] && masks[i] != 0xFFFF) { 3651 if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) { 3652 ena_mask |= BIT(idx); 3653 } else { 3654 /* not enough bitmaps */ 3655 err = true; 3656 break; 3657 } 3658 } 3659 3660 if (err) { 3661 /* free any bitmaps we have allocated */ 3662 for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++) 3663 if (ena_mask & BIT(i)) 3664 ice_free_prof_mask(hw, blk, i); 3665 3666 return ICE_ERR_OUT_OF_RANGE; 3667 } 3668 3669 /* enable the masks for this profile */ 3670 ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask); 3671 3672 /* store enabled masks with profile so that they can be freed later */ 3673 hw->blk[blk].es.mask_ena[prof_id] = ena_mask; 3674 3675 return ICE_SUCCESS; 3676 } 3677 3678 /** 3679 * ice_write_es - write an extraction sequence to hardware 3680 * @hw: pointer to the HW struct 3681 * @blk: the block in which to write the extraction sequence 3682 * @prof_id: the profile ID to write 3683 * @fv: pointer to the extraction sequence to write - NULL to clear extraction 3684 */ 3685 static void 3686 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id, 3687 struct ice_fv_word *fv) 3688 { 3689 u16 off; 3690 3691 off = prof_id * hw->blk[blk].es.fvw; 3692 if (!fv) { 3693 ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw * 3694 sizeof(*fv), ICE_NONDMA_MEM); 3695 hw->blk[blk].es.written[prof_id] = false; 3696 } else { 3697 ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw * 3698 sizeof(*fv), ICE_NONDMA_TO_NONDMA); 3699 } 3700 } 3701 3702 /** 3703 * ice_prof_dec_ref - decrement reference count for profile 3704 * @hw: pointer to the HW struct 3705 * @blk: the block from which to free the profile ID 3706 * @prof_id: the profile ID for which to decrement the reference count 3707 */ 3708 static enum ice_status 3709 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3710 { 3711 if (prof_id > hw->blk[blk].es.count) 3712 return ICE_ERR_PARAM; 3713 3714 if (hw->blk[blk].es.ref_count[prof_id] > 0) { 3715 if (!--hw->blk[blk].es.ref_count[prof_id]) { 3716 ice_write_es(hw, blk, prof_id, NULL); 3717 ice_free_prof_masks(hw, blk, prof_id); 3718 return ice_free_prof_id(hw, blk, prof_id); 3719 } 3720 } 3721 3722 return ICE_SUCCESS; 3723 } 3724 3725 /* Block / table section IDs */ 3726 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = { 3727 /* SWITCH */ 3728 { ICE_SID_XLT1_SW, 3729 ICE_SID_XLT2_SW, 3730 ICE_SID_PROFID_TCAM_SW, 3731 ICE_SID_PROFID_REDIR_SW, 3732 ICE_SID_FLD_VEC_SW 3733 }, 3734 3735 /* ACL */ 3736 { ICE_SID_XLT1_ACL, 3737 ICE_SID_XLT2_ACL, 3738 ICE_SID_PROFID_TCAM_ACL, 3739 ICE_SID_PROFID_REDIR_ACL, 3740 ICE_SID_FLD_VEC_ACL 3741 }, 3742 3743 /* FD */ 3744 { ICE_SID_XLT1_FD, 3745 ICE_SID_XLT2_FD, 3746 ICE_SID_PROFID_TCAM_FD, 3747 ICE_SID_PROFID_REDIR_FD, 3748 ICE_SID_FLD_VEC_FD 3749 }, 3750 3751 /* RSS */ 3752 { ICE_SID_XLT1_RSS, 3753 ICE_SID_XLT2_RSS, 3754 ICE_SID_PROFID_TCAM_RSS, 3755 ICE_SID_PROFID_REDIR_RSS, 3756 ICE_SID_FLD_VEC_RSS 3757 }, 3758 3759 /* PE */ 3760 { ICE_SID_XLT1_PE, 3761 ICE_SID_XLT2_PE, 3762 ICE_SID_PROFID_TCAM_PE, 3763 ICE_SID_PROFID_REDIR_PE, 3764 ICE_SID_FLD_VEC_PE 3765 } 3766 }; 3767 3768 /** 3769 * ice_init_sw_xlt1_db - init software XLT1 database from HW tables 3770 * @hw: pointer to the hardware structure 3771 * @blk: the HW block to initialize 3772 */ 3773 static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk) 3774 { 3775 u16 pt; 3776 3777 for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) { 3778 u8 ptg; 3779 3780 ptg = hw->blk[blk].xlt1.t[pt]; 3781 if (ptg != ICE_DEFAULT_PTG) { 3782 ice_ptg_alloc_val(hw, blk, ptg); 3783 ice_ptg_add_mv_ptype(hw, blk, pt, ptg); 3784 } 3785 } 3786 } 3787 3788 /** 3789 * ice_init_sw_xlt2_db - init software XLT2 database from HW tables 3790 * @hw: pointer to the hardware structure 3791 * @blk: the HW block to initialize 3792 */ 3793 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk) 3794 { 3795 u16 vsi; 3796 3797 for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) { 3798 u16 vsig; 3799 3800 vsig = hw->blk[blk].xlt2.t[vsi]; 3801 if (vsig) { 3802 ice_vsig_alloc_val(hw, blk, vsig); 3803 ice_vsig_add_mv_vsi(hw, blk, vsi, vsig); 3804 /* no changes at this time, since this has been 3805 * initialized from the original package 3806 */ 3807 hw->blk[blk].xlt2.vsis[vsi].changed = 0; 3808 } 3809 } 3810 } 3811 3812 /** 3813 * ice_init_sw_db - init software database from HW tables 3814 * @hw: pointer to the hardware structure 3815 */ 3816 static void ice_init_sw_db(struct ice_hw *hw) 3817 { 3818 u16 i; 3819 3820 for (i = 0; i < ICE_BLK_COUNT; i++) { 3821 ice_init_sw_xlt1_db(hw, (enum ice_block)i); 3822 ice_init_sw_xlt2_db(hw, (enum ice_block)i); 3823 } 3824 } 3825 3826 /** 3827 * ice_fill_tbl - Reads content of a single table type into database 3828 * @hw: pointer to the hardware structure 3829 * @block_id: Block ID of the table to copy 3830 * @sid: Section ID of the table to copy 3831 * 3832 * Will attempt to read the entire content of a given table of a single block 3833 * into the driver database. We assume that the buffer will always 3834 * be as large or larger than the data contained in the package. If 3835 * this condition is not met, there is most likely an error in the package 3836 * contents. 3837 */ 3838 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) 3839 { 3840 u32 dst_len, sect_len, offset = 0; 3841 struct ice_prof_redir_section *pr; 3842 struct ice_prof_id_section *pid; 3843 struct ice_xlt1_section *xlt1; 3844 struct ice_xlt2_section *xlt2; 3845 struct ice_sw_fv_section *es; 3846 struct ice_pkg_enum state; 3847 u8 *src, *dst; 3848 void *sect; 3849 3850 /* if the HW segment pointer is null then the first iteration of 3851 * ice_pkg_enum_section() will fail. In this case the HW tables will 3852 * not be filled and return success. 3853 */ 3854 if (!hw->seg) { 3855 ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n"); 3856 return; 3857 } 3858 3859 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 3860 3861 sect = ice_pkg_enum_section(hw->seg, &state, sid); 3862 3863 while (sect) { 3864 switch (sid) { 3865 case ICE_SID_XLT1_SW: 3866 case ICE_SID_XLT1_FD: 3867 case ICE_SID_XLT1_RSS: 3868 case ICE_SID_XLT1_ACL: 3869 case ICE_SID_XLT1_PE: 3870 xlt1 = (struct ice_xlt1_section *)sect; 3871 src = xlt1->value; 3872 sect_len = LE16_TO_CPU(xlt1->count) * 3873 sizeof(*hw->blk[block_id].xlt1.t); 3874 dst = hw->blk[block_id].xlt1.t; 3875 dst_len = hw->blk[block_id].xlt1.count * 3876 sizeof(*hw->blk[block_id].xlt1.t); 3877 break; 3878 case ICE_SID_XLT2_SW: 3879 case ICE_SID_XLT2_FD: 3880 case ICE_SID_XLT2_RSS: 3881 case ICE_SID_XLT2_ACL: 3882 case ICE_SID_XLT2_PE: 3883 xlt2 = (struct ice_xlt2_section *)sect; 3884 src = (_FORCE_ u8 *)xlt2->value; 3885 sect_len = LE16_TO_CPU(xlt2->count) * 3886 sizeof(*hw->blk[block_id].xlt2.t); 3887 dst = (u8 *)hw->blk[block_id].xlt2.t; 3888 dst_len = hw->blk[block_id].xlt2.count * 3889 sizeof(*hw->blk[block_id].xlt2.t); 3890 break; 3891 case ICE_SID_PROFID_TCAM_SW: 3892 case ICE_SID_PROFID_TCAM_FD: 3893 case ICE_SID_PROFID_TCAM_RSS: 3894 case ICE_SID_PROFID_TCAM_ACL: 3895 case ICE_SID_PROFID_TCAM_PE: 3896 pid = (struct ice_prof_id_section *)sect; 3897 src = (u8 *)pid->entry; 3898 sect_len = LE16_TO_CPU(pid->count) * 3899 sizeof(*hw->blk[block_id].prof.t); 3900 dst = (u8 *)hw->blk[block_id].prof.t; 3901 dst_len = hw->blk[block_id].prof.count * 3902 sizeof(*hw->blk[block_id].prof.t); 3903 break; 3904 case ICE_SID_PROFID_REDIR_SW: 3905 case ICE_SID_PROFID_REDIR_FD: 3906 case ICE_SID_PROFID_REDIR_RSS: 3907 case ICE_SID_PROFID_REDIR_ACL: 3908 case ICE_SID_PROFID_REDIR_PE: 3909 pr = (struct ice_prof_redir_section *)sect; 3910 src = pr->redir_value; 3911 sect_len = LE16_TO_CPU(pr->count) * 3912 sizeof(*hw->blk[block_id].prof_redir.t); 3913 dst = hw->blk[block_id].prof_redir.t; 3914 dst_len = hw->blk[block_id].prof_redir.count * 3915 sizeof(*hw->blk[block_id].prof_redir.t); 3916 break; 3917 case ICE_SID_FLD_VEC_SW: 3918 case ICE_SID_FLD_VEC_FD: 3919 case ICE_SID_FLD_VEC_RSS: 3920 case ICE_SID_FLD_VEC_ACL: 3921 case ICE_SID_FLD_VEC_PE: 3922 es = (struct ice_sw_fv_section *)sect; 3923 src = (u8 *)es->fv; 3924 sect_len = (u32)(LE16_TO_CPU(es->count) * 3925 hw->blk[block_id].es.fvw) * 3926 sizeof(*hw->blk[block_id].es.t); 3927 dst = (u8 *)hw->blk[block_id].es.t; 3928 dst_len = (u32)(hw->blk[block_id].es.count * 3929 hw->blk[block_id].es.fvw) * 3930 sizeof(*hw->blk[block_id].es.t); 3931 break; 3932 default: 3933 return; 3934 } 3935 3936 /* if the section offset exceeds destination length, terminate 3937 * table fill. 3938 */ 3939 if (offset > dst_len) 3940 return; 3941 3942 /* if the sum of section size and offset exceed destination size 3943 * then we are out of bounds of the HW table size for that PF. 3944 * Changing section length to fill the remaining table space 3945 * of that PF. 3946 */ 3947 if ((offset + sect_len) > dst_len) 3948 sect_len = dst_len - offset; 3949 3950 ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA); 3951 offset += sect_len; 3952 sect = ice_pkg_enum_section(NULL, &state, sid); 3953 } 3954 } 3955 3956 /** 3957 * ice_fill_blk_tbls - Read package context for tables 3958 * @hw: pointer to the hardware structure 3959 * 3960 * Reads the current package contents and populates the driver 3961 * database with the data iteratively for all advanced feature 3962 * blocks. Assume that the HW tables have been allocated. 3963 */ 3964 void ice_fill_blk_tbls(struct ice_hw *hw) 3965 { 3966 u8 i; 3967 3968 for (i = 0; i < ICE_BLK_COUNT; i++) { 3969 enum ice_block blk_id = (enum ice_block)i; 3970 3971 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid); 3972 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid); 3973 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid); 3974 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid); 3975 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid); 3976 } 3977 3978 ice_init_sw_db(hw); 3979 } 3980 3981 /** 3982 * ice_free_prof_map - free profile map 3983 * @hw: pointer to the hardware structure 3984 * @blk_idx: HW block index 3985 */ 3986 static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx) 3987 { 3988 struct ice_es *es = &hw->blk[blk_idx].es; 3989 struct ice_prof_map *del, *tmp; 3990 3991 ice_acquire_lock(&es->prof_map_lock); 3992 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &es->prof_map, 3993 ice_prof_map, list) { 3994 LIST_DEL(&del->list); 3995 ice_free(hw, del); 3996 } 3997 INIT_LIST_HEAD(&es->prof_map); 3998 ice_release_lock(&es->prof_map_lock); 3999 } 4000 4001 /** 4002 * ice_free_flow_profs - free flow profile entries 4003 * @hw: pointer to the hardware structure 4004 * @blk_idx: HW block index 4005 */ 4006 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx) 4007 { 4008 struct ice_flow_prof *p, *tmp; 4009 4010 ice_acquire_lock(&hw->fl_profs_locks[blk_idx]); 4011 LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[blk_idx], 4012 ice_flow_prof, l_entry) { 4013 struct ice_flow_entry *e, *t; 4014 4015 LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries, 4016 ice_flow_entry, l_entry) 4017 ice_flow_rem_entry(hw, (enum ice_block)blk_idx, 4018 ICE_FLOW_ENTRY_HNDL(e)); 4019 4020 LIST_DEL(&p->l_entry); 4021 if (p->acts) 4022 ice_free(hw, p->acts); 4023 4024 ice_destroy_lock(&p->entries_lock); 4025 ice_free(hw, p); 4026 } 4027 ice_release_lock(&hw->fl_profs_locks[blk_idx]); 4028 4029 /* if driver is in reset and tables are being cleared 4030 * re-initialize the flow profile list heads 4031 */ 4032 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]); 4033 } 4034 4035 /** 4036 * ice_free_vsig_tbl - free complete VSIG table entries 4037 * @hw: pointer to the hardware structure 4038 * @blk: the HW block on which to free the VSIG table entries 4039 */ 4040 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk) 4041 { 4042 u16 i; 4043 4044 if (!hw->blk[blk].xlt2.vsig_tbl) 4045 return; 4046 4047 for (i = 1; i < ICE_MAX_VSIGS; i++) 4048 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) 4049 ice_vsig_free(hw, blk, i); 4050 } 4051 4052 /** 4053 * ice_free_hw_tbls - free hardware table memory 4054 * @hw: pointer to the hardware structure 4055 */ 4056 void ice_free_hw_tbls(struct ice_hw *hw) 4057 { 4058 struct ice_rss_cfg *r, *rt; 4059 u8 i; 4060 4061 for (i = 0; i < ICE_BLK_COUNT; i++) { 4062 if (hw->blk[i].is_list_init) { 4063 struct ice_es *es = &hw->blk[i].es; 4064 4065 ice_free_prof_map(hw, i); 4066 ice_destroy_lock(&es->prof_map_lock); 4067 ice_free_flow_profs(hw, i); 4068 ice_destroy_lock(&hw->fl_profs_locks[i]); 4069 4070 hw->blk[i].is_list_init = false; 4071 } 4072 ice_free_vsig_tbl(hw, (enum ice_block)i); 4073 ice_free(hw, hw->blk[i].xlt1.ptypes); 4074 ice_free(hw, hw->blk[i].xlt1.ptg_tbl); 4075 ice_free(hw, hw->blk[i].xlt1.t); 4076 ice_free(hw, hw->blk[i].xlt2.t); 4077 ice_free(hw, hw->blk[i].xlt2.vsig_tbl); 4078 ice_free(hw, hw->blk[i].xlt2.vsis); 4079 ice_free(hw, hw->blk[i].prof.t); 4080 ice_free(hw, hw->blk[i].prof_redir.t); 4081 ice_free(hw, hw->blk[i].es.t); 4082 ice_free(hw, hw->blk[i].es.ref_count); 4083 ice_free(hw, hw->blk[i].es.written); 4084 ice_free(hw, hw->blk[i].es.mask_ena); 4085 } 4086 4087 LIST_FOR_EACH_ENTRY_SAFE(r, rt, &hw->rss_list_head, 4088 ice_rss_cfg, l_entry) { 4089 LIST_DEL(&r->l_entry); 4090 ice_free(hw, r); 4091 } 4092 ice_destroy_lock(&hw->rss_locks); 4093 if (!hw->dcf_enabled) 4094 ice_shutdown_all_prof_masks(hw); 4095 ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM); 4096 } 4097 4098 /** 4099 * ice_init_flow_profs - init flow profile locks and list heads 4100 * @hw: pointer to the hardware structure 4101 * @blk_idx: HW block index 4102 */ 4103 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx) 4104 { 4105 ice_init_lock(&hw->fl_profs_locks[blk_idx]); 4106 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]); 4107 } 4108 4109 /** 4110 * ice_clear_hw_tbls - clear HW tables and flow profiles 4111 * @hw: pointer to the hardware structure 4112 */ 4113 void ice_clear_hw_tbls(struct ice_hw *hw) 4114 { 4115 u8 i; 4116 4117 for (i = 0; i < ICE_BLK_COUNT; i++) { 4118 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; 4119 struct ice_prof_tcam *prof = &hw->blk[i].prof; 4120 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; 4121 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; 4122 struct ice_es *es = &hw->blk[i].es; 4123 4124 if (hw->blk[i].is_list_init) { 4125 ice_free_prof_map(hw, i); 4126 ice_free_flow_profs(hw, i); 4127 } 4128 4129 ice_free_vsig_tbl(hw, (enum ice_block)i); 4130 4131 ice_memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes), 4132 ICE_NONDMA_MEM); 4133 ice_memset(xlt1->ptg_tbl, 0, 4134 ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl), 4135 ICE_NONDMA_MEM); 4136 ice_memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t), 4137 ICE_NONDMA_MEM); 4138 4139 ice_memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis), 4140 ICE_NONDMA_MEM); 4141 ice_memset(xlt2->vsig_tbl, 0, 4142 xlt2->count * sizeof(*xlt2->vsig_tbl), 4143 ICE_NONDMA_MEM); 4144 ice_memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t), 4145 ICE_NONDMA_MEM); 4146 4147 ice_memset(prof->t, 0, prof->count * sizeof(*prof->t), 4148 ICE_NONDMA_MEM); 4149 ice_memset(prof_redir->t, 0, 4150 prof_redir->count * sizeof(*prof_redir->t), 4151 ICE_NONDMA_MEM); 4152 4153 ice_memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw, 4154 ICE_NONDMA_MEM); 4155 ice_memset(es->ref_count, 0, es->count * sizeof(*es->ref_count), 4156 ICE_NONDMA_MEM); 4157 ice_memset(es->written, 0, es->count * sizeof(*es->written), 4158 ICE_NONDMA_MEM); 4159 ice_memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena), 4160 ICE_NONDMA_MEM); 4161 } 4162 } 4163 4164 /** 4165 * ice_init_hw_tbls - init hardware table memory 4166 * @hw: pointer to the hardware structure 4167 */ 4168 enum ice_status ice_init_hw_tbls(struct ice_hw *hw) 4169 { 4170 u8 i; 4171 4172 ice_init_lock(&hw->rss_locks); 4173 INIT_LIST_HEAD(&hw->rss_list_head); 4174 if (!hw->dcf_enabled) 4175 ice_init_all_prof_masks(hw); 4176 for (i = 0; i < ICE_BLK_COUNT; i++) { 4177 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; 4178 struct ice_prof_tcam *prof = &hw->blk[i].prof; 4179 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; 4180 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; 4181 struct ice_es *es = &hw->blk[i].es; 4182 u16 j; 4183 4184 if (hw->blk[i].is_list_init) 4185 continue; 4186 4187 ice_init_flow_profs(hw, i); 4188 ice_init_lock(&es->prof_map_lock); 4189 INIT_LIST_HEAD(&es->prof_map); 4190 hw->blk[i].is_list_init = true; 4191 4192 hw->blk[i].overwrite = blk_sizes[i].overwrite; 4193 es->reverse = blk_sizes[i].reverse; 4194 4195 xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF]; 4196 xlt1->count = blk_sizes[i].xlt1; 4197 4198 xlt1->ptypes = (struct ice_ptg_ptype *) 4199 ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes)); 4200 4201 if (!xlt1->ptypes) 4202 goto err; 4203 4204 xlt1->ptg_tbl = (struct ice_ptg_entry *) 4205 ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl)); 4206 4207 if (!xlt1->ptg_tbl) 4208 goto err; 4209 4210 xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t)); 4211 if (!xlt1->t) 4212 goto err; 4213 4214 xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF]; 4215 xlt2->count = blk_sizes[i].xlt2; 4216 4217 xlt2->vsis = (struct ice_vsig_vsi *) 4218 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis)); 4219 4220 if (!xlt2->vsis) 4221 goto err; 4222 4223 xlt2->vsig_tbl = (struct ice_vsig_entry *) 4224 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl)); 4225 if (!xlt2->vsig_tbl) 4226 goto err; 4227 4228 for (j = 0; j < xlt2->count; j++) 4229 INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst); 4230 4231 xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t)); 4232 if (!xlt2->t) 4233 goto err; 4234 4235 prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF]; 4236 prof->count = blk_sizes[i].prof_tcam; 4237 prof->max_prof_id = blk_sizes[i].prof_id; 4238 prof->cdid_bits = blk_sizes[i].prof_cdid_bits; 4239 prof->t = (struct ice_prof_tcam_entry *) 4240 ice_calloc(hw, prof->count, sizeof(*prof->t)); 4241 4242 if (!prof->t) 4243 goto err; 4244 4245 prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF]; 4246 prof_redir->count = blk_sizes[i].prof_redir; 4247 prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count, 4248 sizeof(*prof_redir->t)); 4249 4250 if (!prof_redir->t) 4251 goto err; 4252 4253 es->sid = ice_blk_sids[i][ICE_SID_ES_OFF]; 4254 es->count = blk_sizes[i].es; 4255 es->fvw = blk_sizes[i].fvw; 4256 es->t = (struct ice_fv_word *) 4257 ice_calloc(hw, (u32)(es->count * es->fvw), 4258 sizeof(*es->t)); 4259 if (!es->t) 4260 goto err; 4261 4262 es->ref_count = (u16 *) 4263 ice_calloc(hw, es->count, sizeof(*es->ref_count)); 4264 4265 if (!es->ref_count) 4266 goto err; 4267 4268 es->written = (u8 *) 4269 ice_calloc(hw, es->count, sizeof(*es->written)); 4270 4271 if (!es->written) 4272 goto err; 4273 4274 es->mask_ena = (u32 *) 4275 ice_calloc(hw, es->count, sizeof(*es->mask_ena)); 4276 4277 if (!es->mask_ena) 4278 goto err; 4279 } 4280 return ICE_SUCCESS; 4281 4282 err: 4283 ice_free_hw_tbls(hw); 4284 return ICE_ERR_NO_MEMORY; 4285 } 4286 4287 /** 4288 * ice_prof_gen_key - generate profile ID key 4289 * @hw: pointer to the HW struct 4290 * @blk: the block in which to write profile ID to 4291 * @ptg: packet type group (PTG) portion of key 4292 * @vsig: VSIG portion of key 4293 * @cdid: CDID portion of key 4294 * @flags: flag portion of key 4295 * @vl_msk: valid mask 4296 * @dc_msk: don't care mask 4297 * @nm_msk: never match mask 4298 * @key: output of profile ID key 4299 */ 4300 static enum ice_status 4301 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig, 4302 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], 4303 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ], 4304 u8 key[ICE_TCAM_KEY_SZ]) 4305 { 4306 struct ice_prof_id_key inkey; 4307 4308 inkey.xlt1 = ptg; 4309 inkey.xlt2_cdid = CPU_TO_LE16(vsig); 4310 inkey.flags = CPU_TO_LE16(flags); 4311 4312 switch (hw->blk[blk].prof.cdid_bits) { 4313 case 0: 4314 break; 4315 case 2: 4316 #define ICE_CD_2_M 0xC000U 4317 #define ICE_CD_2_S 14 4318 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M); 4319 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S); 4320 break; 4321 case 4: 4322 #define ICE_CD_4_M 0xF000U 4323 #define ICE_CD_4_S 12 4324 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M); 4325 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S); 4326 break; 4327 case 8: 4328 #define ICE_CD_8_M 0xFF00U 4329 #define ICE_CD_8_S 16 4330 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M); 4331 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S); 4332 break; 4333 default: 4334 ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n"); 4335 break; 4336 } 4337 4338 return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk, 4339 nm_msk, 0, ICE_TCAM_KEY_SZ / 2); 4340 } 4341 4342 /** 4343 * ice_tcam_write_entry - write TCAM entry 4344 * @hw: pointer to the HW struct 4345 * @blk: the block in which to write profile ID to 4346 * @idx: the entry index to write to 4347 * @prof_id: profile ID 4348 * @ptg: packet type group (PTG) portion of key 4349 * @vsig: VSIG portion of key 4350 * @cdid: CDID portion of key 4351 * @flags: flag portion of key 4352 * @vl_msk: valid mask 4353 * @dc_msk: don't care mask 4354 * @nm_msk: never match mask 4355 */ 4356 static enum ice_status 4357 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx, 4358 u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags, 4359 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], 4360 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], 4361 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ]) 4362 { 4363 struct ice_prof_tcam_entry; 4364 enum ice_status status; 4365 4366 status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk, 4367 dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key); 4368 if (!status) { 4369 hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx); 4370 hw->blk[blk].prof.t[idx].prof_id = prof_id; 4371 } 4372 4373 return status; 4374 } 4375 4376 /** 4377 * ice_vsig_get_ref - returns number of VSIs belong to a VSIG 4378 * @hw: pointer to the hardware structure 4379 * @blk: HW block 4380 * @vsig: VSIG to query 4381 * @refs: pointer to variable to receive the reference count 4382 */ 4383 static enum ice_status 4384 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs) 4385 { 4386 u16 idx = vsig & ICE_VSIG_IDX_M; 4387 struct ice_vsig_vsi *ptr; 4388 4389 *refs = 0; 4390 4391 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 4392 return ICE_ERR_DOES_NOT_EXIST; 4393 4394 ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 4395 while (ptr) { 4396 (*refs)++; 4397 ptr = ptr->next_vsi; 4398 } 4399 4400 return ICE_SUCCESS; 4401 } 4402 4403 /** 4404 * ice_has_prof_vsig - check to see if VSIG has a specific profile 4405 * @hw: pointer to the hardware structure 4406 * @blk: HW block 4407 * @vsig: VSIG to check against 4408 * @hdl: profile handle 4409 */ 4410 static bool 4411 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl) 4412 { 4413 u16 idx = vsig & ICE_VSIG_IDX_M; 4414 struct ice_vsig_prof *ent; 4415 4416 LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4417 ice_vsig_prof, list) 4418 if (ent->profile_cookie == hdl) 4419 return true; 4420 4421 ice_debug(hw, ICE_DBG_INIT, "Characteristic list for VSI group %d not found.\n", 4422 vsig); 4423 return false; 4424 } 4425 4426 /** 4427 * ice_prof_bld_es - build profile ID extraction sequence changes 4428 * @hw: pointer to the HW struct 4429 * @blk: hardware block 4430 * @bld: the update package buffer build to add to 4431 * @chgs: the list of changes to make in hardware 4432 */ 4433 static enum ice_status 4434 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk, 4435 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs) 4436 { 4437 u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word); 4438 struct ice_chs_chg *tmp; 4439 4440 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4441 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) { 4442 u16 off = tmp->prof_id * hw->blk[blk].es.fvw; 4443 struct ice_pkg_es *p; 4444 u32 id; 4445 4446 id = ice_sect_id(blk, ICE_VEC_TBL); 4447 p = (struct ice_pkg_es *) 4448 ice_pkg_buf_alloc_section(bld, id, 4449 ice_struct_size(p, es, 4450 1) + 4451 vec_size - 4452 sizeof(p->es[0])); 4453 4454 if (!p) 4455 return ICE_ERR_MAX_LIMIT; 4456 4457 p->count = CPU_TO_LE16(1); 4458 p->offset = CPU_TO_LE16(tmp->prof_id); 4459 4460 ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size, 4461 ICE_NONDMA_TO_NONDMA); 4462 } 4463 4464 return ICE_SUCCESS; 4465 } 4466 4467 /** 4468 * ice_prof_bld_tcam - build profile ID TCAM changes 4469 * @hw: pointer to the HW struct 4470 * @blk: hardware block 4471 * @bld: the update package buffer build to add to 4472 * @chgs: the list of changes to make in hardware 4473 */ 4474 static enum ice_status 4475 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk, 4476 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs) 4477 { 4478 struct ice_chs_chg *tmp; 4479 4480 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4481 if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) { 4482 struct ice_prof_id_section *p; 4483 u32 id; 4484 4485 id = ice_sect_id(blk, ICE_PROF_TCAM); 4486 p = (struct ice_prof_id_section *) 4487 ice_pkg_buf_alloc_section(bld, id, 4488 ice_struct_size(p, 4489 entry, 4490 1)); 4491 4492 if (!p) 4493 return ICE_ERR_MAX_LIMIT; 4494 4495 p->count = CPU_TO_LE16(1); 4496 p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx); 4497 p->entry[0].prof_id = tmp->prof_id; 4498 4499 ice_memcpy(p->entry[0].key, 4500 &hw->blk[blk].prof.t[tmp->tcam_idx].key, 4501 sizeof(hw->blk[blk].prof.t->key), 4502 ICE_NONDMA_TO_NONDMA); 4503 } 4504 4505 return ICE_SUCCESS; 4506 } 4507 4508 /** 4509 * ice_prof_bld_xlt1 - build XLT1 changes 4510 * @blk: hardware block 4511 * @bld: the update package buffer build to add to 4512 * @chgs: the list of changes to make in hardware 4513 */ 4514 static enum ice_status 4515 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld, 4516 struct LIST_HEAD_TYPE *chgs) 4517 { 4518 struct ice_chs_chg *tmp; 4519 4520 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4521 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) { 4522 struct ice_xlt1_section *p; 4523 u32 id; 4524 4525 id = ice_sect_id(blk, ICE_XLT1); 4526 p = (struct ice_xlt1_section *) 4527 ice_pkg_buf_alloc_section(bld, id, 4528 ice_struct_size(p, 4529 value, 4530 1)); 4531 4532 if (!p) 4533 return ICE_ERR_MAX_LIMIT; 4534 4535 p->count = CPU_TO_LE16(1); 4536 p->offset = CPU_TO_LE16(tmp->ptype); 4537 p->value[0] = tmp->ptg; 4538 } 4539 4540 return ICE_SUCCESS; 4541 } 4542 4543 /** 4544 * ice_prof_bld_xlt2 - build XLT2 changes 4545 * @blk: hardware block 4546 * @bld: the update package buffer build to add to 4547 * @chgs: the list of changes to make in hardware 4548 */ 4549 static enum ice_status 4550 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld, 4551 struct LIST_HEAD_TYPE *chgs) 4552 { 4553 struct ice_chs_chg *tmp; 4554 4555 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) { 4556 struct ice_xlt2_section *p; 4557 u32 id; 4558 4559 switch (tmp->type) { 4560 case ICE_VSIG_ADD: 4561 case ICE_VSI_MOVE: 4562 case ICE_VSIG_REM: 4563 id = ice_sect_id(blk, ICE_XLT2); 4564 p = (struct ice_xlt2_section *) 4565 ice_pkg_buf_alloc_section(bld, id, 4566 ice_struct_size(p, 4567 value, 4568 1)); 4569 4570 if (!p) 4571 return ICE_ERR_MAX_LIMIT; 4572 4573 p->count = CPU_TO_LE16(1); 4574 p->offset = CPU_TO_LE16(tmp->vsi); 4575 p->value[0] = CPU_TO_LE16(tmp->vsig); 4576 break; 4577 default: 4578 break; 4579 } 4580 } 4581 4582 return ICE_SUCCESS; 4583 } 4584 4585 /** 4586 * ice_upd_prof_hw - update hardware using the change list 4587 * @hw: pointer to the HW struct 4588 * @blk: hardware block 4589 * @chgs: the list of changes to make in hardware 4590 */ 4591 static enum ice_status 4592 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk, 4593 struct LIST_HEAD_TYPE *chgs) 4594 { 4595 struct ice_buf_build *b; 4596 struct ice_chs_chg *tmp; 4597 enum ice_status status; 4598 u16 pkg_sects; 4599 u16 xlt1 = 0; 4600 u16 xlt2 = 0; 4601 u16 tcam = 0; 4602 u16 es = 0; 4603 u16 sects; 4604 4605 /* count number of sections we need */ 4606 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) { 4607 switch (tmp->type) { 4608 case ICE_PTG_ES_ADD: 4609 if (tmp->add_ptg) 4610 xlt1++; 4611 if (tmp->add_prof) 4612 es++; 4613 break; 4614 case ICE_TCAM_ADD: 4615 tcam++; 4616 break; 4617 case ICE_VSIG_ADD: 4618 case ICE_VSI_MOVE: 4619 case ICE_VSIG_REM: 4620 xlt2++; 4621 break; 4622 default: 4623 break; 4624 } 4625 } 4626 sects = xlt1 + xlt2 + tcam + es; 4627 4628 if (!sects) 4629 return ICE_SUCCESS; 4630 4631 /* Build update package buffer */ 4632 b = ice_pkg_buf_alloc(hw); 4633 if (!b) 4634 return ICE_ERR_NO_MEMORY; 4635 4636 status = ice_pkg_buf_reserve_section(b, sects); 4637 if (status) 4638 goto error_tmp; 4639 4640 /* Preserve order of table update: ES, TCAM, PTG, VSIG */ 4641 if (es) { 4642 status = ice_prof_bld_es(hw, blk, b, chgs); 4643 if (status) 4644 goto error_tmp; 4645 } 4646 4647 if (tcam) { 4648 status = ice_prof_bld_tcam(hw, blk, b, chgs); 4649 if (status) 4650 goto error_tmp; 4651 } 4652 4653 if (xlt1) { 4654 status = ice_prof_bld_xlt1(blk, b, chgs); 4655 if (status) 4656 goto error_tmp; 4657 } 4658 4659 if (xlt2) { 4660 status = ice_prof_bld_xlt2(blk, b, chgs); 4661 if (status) 4662 goto error_tmp; 4663 } 4664 4665 /* After package buffer build check if the section count in buffer is 4666 * non-zero and matches the number of sections detected for package 4667 * update. 4668 */ 4669 pkg_sects = ice_pkg_buf_get_active_sections(b); 4670 if (!pkg_sects || pkg_sects != sects) { 4671 status = ICE_ERR_INVAL_SIZE; 4672 goto error_tmp; 4673 } 4674 4675 /* update package */ 4676 status = ice_update_pkg(hw, ice_pkg_buf(b), 1); 4677 if (status == ICE_ERR_AQ_ERROR) 4678 ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile\n"); 4679 4680 error_tmp: 4681 ice_pkg_buf_free(hw, b); 4682 return status; 4683 } 4684 4685 /** 4686 * ice_update_fd_mask - set Flow Director Field Vector mask for a profile 4687 * @hw: pointer to the HW struct 4688 * @prof_id: profile ID 4689 * @mask_sel: mask select 4690 * 4691 * This function enable any of the masks selected by the mask select parameter 4692 * for the profile specified. 4693 */ 4694 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel) 4695 { 4696 wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel); 4697 4698 ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id, 4699 GLQF_FDMASK_SEL(prof_id), mask_sel); 4700 } 4701 4702 struct ice_fd_src_dst_pair { 4703 u8 prot_id; 4704 u8 count; 4705 u16 off; 4706 }; 4707 4708 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = { 4709 /* These are defined in pairs */ 4710 { ICE_PROT_IPV4_OF_OR_S, 2, 12 }, 4711 { ICE_PROT_IPV4_OF_OR_S, 2, 16 }, 4712 4713 { ICE_PROT_IPV4_IL, 2, 12 }, 4714 { ICE_PROT_IPV4_IL, 2, 16 }, 4715 4716 { ICE_PROT_IPV6_OF_OR_S, 8, 8 }, 4717 { ICE_PROT_IPV6_OF_OR_S, 8, 24 }, 4718 4719 { ICE_PROT_IPV6_IL, 8, 8 }, 4720 { ICE_PROT_IPV6_IL, 8, 24 }, 4721 4722 { ICE_PROT_TCP_IL, 1, 0 }, 4723 { ICE_PROT_TCP_IL, 1, 2 }, 4724 4725 { ICE_PROT_UDP_OF, 1, 0 }, 4726 { ICE_PROT_UDP_OF, 1, 2 }, 4727 4728 { ICE_PROT_UDP_IL_OR_S, 1, 0 }, 4729 { ICE_PROT_UDP_IL_OR_S, 1, 2 }, 4730 4731 { ICE_PROT_SCTP_IL, 1, 0 }, 4732 { ICE_PROT_SCTP_IL, 1, 2 } 4733 }; 4734 4735 #define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs) 4736 4737 /** 4738 * ice_update_fd_swap - set register appropriately for a FD FV extraction 4739 * @hw: pointer to the HW struct 4740 * @prof_id: profile ID 4741 * @es: extraction sequence (length of array is determined by the block) 4742 */ 4743 static enum ice_status 4744 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) 4745 { 4746 ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); 4747 u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 }; 4748 #define ICE_FD_FV_NOT_FOUND (-2) 4749 s8 first_free = ICE_FD_FV_NOT_FOUND; 4750 u8 used[ICE_MAX_FV_WORDS] = { 0 }; 4751 s8 orig_free, si; 4752 u32 mask_sel = 0; 4753 u8 i, j, k; 4754 4755 ice_zero_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); 4756 4757 /* This code assumes that the Flow Director field vectors are assigned 4758 * from the end of the FV indexes working towards the zero index, that 4759 * only complete fields will be included and will be consecutive, and 4760 * that there are no gaps between valid indexes. 4761 */ 4762 4763 /* Determine swap fields present */ 4764 for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) { 4765 /* Find the first free entry, assuming right to left population. 4766 * This is where we can start adding additional pairs if needed. 4767 */ 4768 if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id != 4769 ICE_PROT_INVALID) 4770 first_free = i - 1; 4771 4772 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) 4773 if (es[i].prot_id == ice_fd_pairs[j].prot_id && 4774 es[i].off == ice_fd_pairs[j].off) { 4775 ice_set_bit(j, pair_list); 4776 pair_start[j] = i; 4777 } 4778 } 4779 4780 orig_free = first_free; 4781 4782 /* determine missing swap fields that need to be added */ 4783 for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) { 4784 u8 bit1 = ice_is_bit_set(pair_list, i + 1); 4785 u8 bit0 = ice_is_bit_set(pair_list, i); 4786 4787 if (bit0 ^ bit1) { 4788 u8 index; 4789 4790 /* add the appropriate 'paired' entry */ 4791 if (!bit0) 4792 index = i; 4793 else 4794 index = i + 1; 4795 4796 /* check for room */ 4797 if (first_free + 1 < (s8)ice_fd_pairs[index].count) 4798 return ICE_ERR_MAX_LIMIT; 4799 4800 /* place in extraction sequence */ 4801 for (k = 0; k < ice_fd_pairs[index].count; k++) { 4802 es[first_free - k].prot_id = 4803 ice_fd_pairs[index].prot_id; 4804 es[first_free - k].off = 4805 ice_fd_pairs[index].off + (k * 2); 4806 4807 if (k > first_free) 4808 return ICE_ERR_OUT_OF_RANGE; 4809 4810 /* keep track of non-relevant fields */ 4811 mask_sel |= BIT(first_free - k); 4812 } 4813 4814 pair_start[index] = first_free; 4815 first_free -= ice_fd_pairs[index].count; 4816 } 4817 } 4818 4819 /* fill in the swap array */ 4820 si = hw->blk[ICE_BLK_FD].es.fvw - 1; 4821 while (si >= 0) { 4822 u8 indexes_used = 1; 4823 4824 /* assume flat at this index */ 4825 #define ICE_SWAP_VALID 0x80 4826 used[si] = si | ICE_SWAP_VALID; 4827 4828 if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) { 4829 si -= indexes_used; 4830 continue; 4831 } 4832 4833 /* check for a swap location */ 4834 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) 4835 if (es[si].prot_id == ice_fd_pairs[j].prot_id && 4836 es[si].off == ice_fd_pairs[j].off) { 4837 u8 idx; 4838 4839 /* determine the appropriate matching field */ 4840 idx = j + ((j % 2) ? -1 : 1); 4841 4842 indexes_used = ice_fd_pairs[idx].count; 4843 for (k = 0; k < indexes_used; k++) { 4844 used[si - k] = (pair_start[idx] - k) | 4845 ICE_SWAP_VALID; 4846 } 4847 4848 break; 4849 } 4850 4851 si -= indexes_used; 4852 } 4853 4854 /* for each set of 4 swap and 4 inset indexes, write the appropriate 4855 * register 4856 */ 4857 for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) { 4858 u32 raw_swap = 0; 4859 u32 raw_in = 0; 4860 4861 for (k = 0; k < 4; k++) { 4862 u8 idx; 4863 4864 idx = (j * 4) + k; 4865 if (used[idx] && !(mask_sel & BIT(idx))) { 4866 raw_swap |= used[idx] << (k * BITS_PER_BYTE); 4867 #define ICE_INSET_DFLT 0x9f 4868 raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE); 4869 } 4870 } 4871 4872 /* write the appropriate swap register set */ 4873 wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap); 4874 4875 ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n", 4876 prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap); 4877 4878 /* write the appropriate inset register set */ 4879 wr32(hw, GLQF_FDINSET(prof_id, j), raw_in); 4880 4881 ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n", 4882 prof_id, j, GLQF_FDINSET(prof_id, j), raw_in); 4883 } 4884 4885 /* initially clear the mask select for this profile */ 4886 ice_update_fd_mask(hw, prof_id, 0); 4887 4888 return ICE_SUCCESS; 4889 } 4890 4891 /* The entries here needs to match the order of enum ice_ptype_attrib */ 4892 static const struct ice_ptype_attrib_info ice_ptype_attributes[] = { 4893 { ICE_GTP_PDU_EH, ICE_GTP_PDU_FLAG_MASK }, 4894 { ICE_GTP_SESSION, ICE_GTP_FLAGS_MASK }, 4895 { ICE_GTP_DOWNLINK, ICE_GTP_FLAGS_MASK }, 4896 { ICE_GTP_UPLINK, ICE_GTP_FLAGS_MASK }, 4897 }; 4898 4899 /** 4900 * ice_get_ptype_attrib_info - get ptype attribute information 4901 * @type: attribute type 4902 * @info: pointer to variable to the attribute information 4903 */ 4904 static void 4905 ice_get_ptype_attrib_info(enum ice_ptype_attrib_type type, 4906 struct ice_ptype_attrib_info *info) 4907 { 4908 *info = ice_ptype_attributes[type]; 4909 } 4910 4911 /** 4912 * ice_add_prof_attrib - add any PTG with attributes to profile 4913 * @prof: pointer to the profile to which PTG entries will be added 4914 * @ptg: PTG to be added 4915 * @ptype: PTYPE that needs to be looked up 4916 * @attr: array of attributes that will be considered 4917 * @attr_cnt: number of elements in the attribute array 4918 */ 4919 static enum ice_status 4920 ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype, 4921 const struct ice_ptype_attributes *attr, u16 attr_cnt) 4922 { 4923 bool found = false; 4924 u16 i; 4925 4926 for (i = 0; i < attr_cnt; i++) { 4927 if (attr[i].ptype == ptype) { 4928 found = true; 4929 4930 prof->ptg[prof->ptg_cnt] = ptg; 4931 ice_get_ptype_attrib_info(attr[i].attrib, 4932 &prof->attr[prof->ptg_cnt]); 4933 4934 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) 4935 return ICE_ERR_MAX_LIMIT; 4936 } 4937 } 4938 4939 if (!found) 4940 return ICE_ERR_DOES_NOT_EXIST; 4941 4942 return ICE_SUCCESS; 4943 } 4944 4945 /** 4946 * ice_add_prof - add profile 4947 * @hw: pointer to the HW struct 4948 * @blk: hardware block 4949 * @id: profile tracking ID 4950 * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits) 4951 * @attr: array of attributes 4952 * @attr_cnt: number of elements in attrib array 4953 * @es: extraction sequence (length of array is determined by the block) 4954 * @masks: mask for extraction sequence 4955 * 4956 * This function registers a profile, which matches a set of PTYPES with a 4957 * particular extraction sequence. While the hardware profile is allocated 4958 * it will not be written until the first call to ice_add_flow that specifies 4959 * the ID value used here. 4960 */ 4961 enum ice_status 4962 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], 4963 const struct ice_ptype_attributes *attr, u16 attr_cnt, 4964 struct ice_fv_word *es, u16 *masks) 4965 { 4966 u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE); 4967 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT); 4968 struct ice_prof_map *prof; 4969 enum ice_status status; 4970 u8 byte = 0; 4971 u8 prof_id; 4972 4973 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT); 4974 4975 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 4976 4977 /* search for existing profile */ 4978 status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id); 4979 if (status) { 4980 /* allocate profile ID */ 4981 status = ice_alloc_prof_id(hw, blk, &prof_id); 4982 if (status) 4983 goto err_ice_add_prof; 4984 if (blk == ICE_BLK_FD) { 4985 /* For Flow Director block, the extraction sequence may 4986 * need to be altered in the case where there are paired 4987 * fields that have no match. This is necessary because 4988 * for Flow Director, src and dest fields need to paired 4989 * for filter programming and these values are swapped 4990 * during Tx. 4991 */ 4992 status = ice_update_fd_swap(hw, prof_id, es); 4993 if (status) 4994 goto err_ice_add_prof; 4995 } 4996 status = ice_update_prof_masking(hw, blk, prof_id, masks); 4997 if (status) 4998 goto err_ice_add_prof; 4999 5000 /* and write new es */ 5001 ice_write_es(hw, blk, prof_id, es); 5002 } 5003 5004 ice_prof_inc_ref(hw, blk, prof_id); 5005 5006 /* add profile info */ 5007 5008 prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof)); 5009 if (!prof) 5010 goto err_ice_add_prof; 5011 5012 prof->profile_cookie = id; 5013 prof->prof_id = prof_id; 5014 prof->ptg_cnt = 0; 5015 prof->context = 0; 5016 5017 /* build list of ptgs */ 5018 while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) { 5019 u8 bit; 5020 5021 if (!ptypes[byte]) { 5022 bytes--; 5023 byte++; 5024 continue; 5025 } 5026 5027 /* Examine 8 bits per byte */ 5028 ice_for_each_set_bit(bit, (ice_bitmap_t *)&ptypes[byte], 5029 BITS_PER_BYTE) { 5030 u16 ptype; 5031 u8 ptg; 5032 5033 ptype = byte * BITS_PER_BYTE + bit; 5034 5035 /* The package should place all ptypes in a non-zero 5036 * PTG, so the following call should never fail. 5037 */ 5038 if (ice_ptg_find_ptype(hw, blk, ptype, &ptg)) 5039 continue; 5040 5041 /* If PTG is already added, skip and continue */ 5042 if (ice_is_bit_set(ptgs_used, ptg)) 5043 continue; 5044 5045 ice_set_bit(ptg, ptgs_used); 5046 /* Check to see there are any attributes for this 5047 * ptype, and add them if found. 5048 */ 5049 status = ice_add_prof_attrib(prof, ptg, ptype, attr, 5050 attr_cnt); 5051 if (status == ICE_ERR_MAX_LIMIT) 5052 break; 5053 if (status) { 5054 /* This is simple a ptype/PTG with no 5055 * attribute 5056 */ 5057 prof->ptg[prof->ptg_cnt] = ptg; 5058 prof->attr[prof->ptg_cnt].flags = 0; 5059 prof->attr[prof->ptg_cnt].mask = 0; 5060 5061 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) 5062 break; 5063 } 5064 } 5065 5066 bytes--; 5067 byte++; 5068 } 5069 5070 LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map); 5071 status = ICE_SUCCESS; 5072 5073 err_ice_add_prof: 5074 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5075 return status; 5076 } 5077 5078 /** 5079 * ice_search_prof_id - Search for a profile tracking ID 5080 * @hw: pointer to the HW struct 5081 * @blk: hardware block 5082 * @id: profile tracking ID 5083 * 5084 * This will search for a profile tracking ID which was previously added. 5085 * The profile map lock should be held before calling this function. 5086 */ 5087 struct ice_prof_map * 5088 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id) 5089 { 5090 struct ice_prof_map *entry = NULL; 5091 struct ice_prof_map *map; 5092 5093 LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map, list) 5094 if (map->profile_cookie == id) { 5095 entry = map; 5096 break; 5097 } 5098 5099 return entry; 5100 } 5101 5102 /** 5103 * ice_vsig_prof_id_count - count profiles in a VSIG 5104 * @hw: pointer to the HW struct 5105 * @blk: hardware block 5106 * @vsig: VSIG to remove the profile from 5107 */ 5108 static u16 5109 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig) 5110 { 5111 u16 idx = vsig & ICE_VSIG_IDX_M, count = 0; 5112 struct ice_vsig_prof *p; 5113 5114 LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5115 ice_vsig_prof, list) 5116 count++; 5117 5118 return count; 5119 } 5120 5121 /** 5122 * ice_rel_tcam_idx - release a TCAM index 5123 * @hw: pointer to the HW struct 5124 * @blk: hardware block 5125 * @idx: the index to release 5126 */ 5127 static enum ice_status 5128 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx) 5129 { 5130 /* Masks to invoke a never match entry */ 5131 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5132 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF }; 5133 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 }; 5134 enum ice_status status; 5135 5136 /* write the TCAM entry */ 5137 status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk, 5138 dc_msk, nm_msk); 5139 if (status) 5140 return status; 5141 5142 /* release the TCAM entry */ 5143 status = ice_free_tcam_ent(hw, blk, idx); 5144 5145 return status; 5146 } 5147 5148 /** 5149 * ice_rem_prof_id - remove one profile from a VSIG 5150 * @hw: pointer to the HW struct 5151 * @blk: hardware block 5152 * @prof: pointer to profile structure to remove 5153 */ 5154 static enum ice_status 5155 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk, 5156 struct ice_vsig_prof *prof) 5157 { 5158 enum ice_status status; 5159 u16 i; 5160 5161 for (i = 0; i < prof->tcam_count; i++) 5162 if (prof->tcam[i].in_use) { 5163 prof->tcam[i].in_use = false; 5164 status = ice_rel_tcam_idx(hw, blk, 5165 prof->tcam[i].tcam_idx); 5166 if (status) 5167 return ICE_ERR_HW_TABLE; 5168 } 5169 5170 return ICE_SUCCESS; 5171 } 5172 5173 /** 5174 * ice_rem_vsig - remove VSIG 5175 * @hw: pointer to the HW struct 5176 * @blk: hardware block 5177 * @vsig: the VSIG to remove 5178 * @chg: the change list 5179 */ 5180 static enum ice_status 5181 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5182 struct LIST_HEAD_TYPE *chg) 5183 { 5184 u16 idx = vsig & ICE_VSIG_IDX_M; 5185 struct ice_vsig_vsi *vsi_cur; 5186 struct ice_vsig_prof *d, *t; 5187 enum ice_status status; 5188 5189 /* remove TCAM entries */ 5190 LIST_FOR_EACH_ENTRY_SAFE(d, t, 5191 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5192 ice_vsig_prof, list) { 5193 status = ice_rem_prof_id(hw, blk, d); 5194 if (status) 5195 return status; 5196 5197 LIST_DEL(&d->list); 5198 ice_free(hw, d); 5199 } 5200 5201 /* Move all VSIS associated with this VSIG to the default VSIG */ 5202 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 5203 /* If the VSIG has at least 1 VSI then iterate through the list 5204 * and remove the VSIs before deleting the group. 5205 */ 5206 if (vsi_cur) 5207 do { 5208 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; 5209 struct ice_chs_chg *p; 5210 5211 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5212 if (!p) 5213 return ICE_ERR_NO_MEMORY; 5214 5215 p->type = ICE_VSIG_REM; 5216 p->orig_vsig = vsig; 5217 p->vsig = ICE_DEFAULT_VSIG; 5218 p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis; 5219 5220 LIST_ADD(&p->list_entry, chg); 5221 5222 vsi_cur = tmp; 5223 } while (vsi_cur); 5224 5225 return ice_vsig_free(hw, blk, vsig); 5226 } 5227 5228 /** 5229 * ice_rem_prof_id_vsig - remove a specific profile from a VSIG 5230 * @hw: pointer to the HW struct 5231 * @blk: hardware block 5232 * @vsig: VSIG to remove the profile from 5233 * @hdl: profile handle indicating which profile to remove 5234 * @chg: list to receive a record of changes 5235 */ 5236 static enum ice_status 5237 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, 5238 struct LIST_HEAD_TYPE *chg) 5239 { 5240 u16 idx = vsig & ICE_VSIG_IDX_M; 5241 struct ice_vsig_prof *p, *t; 5242 enum ice_status status; 5243 5244 LIST_FOR_EACH_ENTRY_SAFE(p, t, 5245 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5246 ice_vsig_prof, list) 5247 if (p->profile_cookie == hdl) { 5248 if (ice_vsig_prof_id_count(hw, blk, vsig) == 1) 5249 /* this is the last profile, remove the VSIG */ 5250 return ice_rem_vsig(hw, blk, vsig, chg); 5251 5252 status = ice_rem_prof_id(hw, blk, p); 5253 if (!status) { 5254 LIST_DEL(&p->list); 5255 ice_free(hw, p); 5256 } 5257 return status; 5258 } 5259 5260 return ICE_ERR_DOES_NOT_EXIST; 5261 } 5262 5263 /** 5264 * ice_rem_flow_all - remove all flows with a particular profile 5265 * @hw: pointer to the HW struct 5266 * @blk: hardware block 5267 * @id: profile tracking ID 5268 */ 5269 static enum ice_status 5270 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id) 5271 { 5272 struct ice_chs_chg *del, *tmp; 5273 struct LIST_HEAD_TYPE chg; 5274 enum ice_status status; 5275 u16 i; 5276 5277 INIT_LIST_HEAD(&chg); 5278 5279 for (i = 1; i < ICE_MAX_VSIGS; i++) 5280 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) { 5281 if (ice_has_prof_vsig(hw, blk, i, id)) { 5282 status = ice_rem_prof_id_vsig(hw, blk, i, id, 5283 &chg); 5284 if (status) 5285 goto err_ice_rem_flow_all; 5286 } 5287 } 5288 5289 status = ice_upd_prof_hw(hw, blk, &chg); 5290 5291 err_ice_rem_flow_all: 5292 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 5293 LIST_DEL(&del->list_entry); 5294 ice_free(hw, del); 5295 } 5296 5297 return status; 5298 } 5299 5300 /** 5301 * ice_rem_prof - remove profile 5302 * @hw: pointer to the HW struct 5303 * @blk: hardware block 5304 * @id: profile tracking ID 5305 * 5306 * This will remove the profile specified by the ID parameter, which was 5307 * previously created through ice_add_prof. If any existing entries 5308 * are associated with this profile, they will be removed as well. 5309 */ 5310 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id) 5311 { 5312 struct ice_prof_map *pmap; 5313 enum ice_status status; 5314 5315 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5316 5317 pmap = ice_search_prof_id(hw, blk, id); 5318 if (!pmap) { 5319 status = ICE_ERR_DOES_NOT_EXIST; 5320 goto err_ice_rem_prof; 5321 } 5322 5323 /* remove all flows with this profile */ 5324 status = ice_rem_flow_all(hw, blk, pmap->profile_cookie); 5325 if (status) 5326 goto err_ice_rem_prof; 5327 5328 /* dereference profile, and possibly remove */ 5329 ice_prof_dec_ref(hw, blk, pmap->prof_id); 5330 5331 LIST_DEL(&pmap->list); 5332 ice_free(hw, pmap); 5333 5334 err_ice_rem_prof: 5335 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5336 return status; 5337 } 5338 5339 /** 5340 * ice_get_prof - get profile 5341 * @hw: pointer to the HW struct 5342 * @blk: hardware block 5343 * @hdl: profile handle 5344 * @chg: change list 5345 */ 5346 static enum ice_status 5347 ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl, 5348 struct LIST_HEAD_TYPE *chg) 5349 { 5350 enum ice_status status = ICE_SUCCESS; 5351 struct ice_prof_map *map; 5352 struct ice_chs_chg *p; 5353 u16 i; 5354 5355 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5356 /* Get the details on the profile specified by the handle ID */ 5357 map = ice_search_prof_id(hw, blk, hdl); 5358 if (!map) { 5359 status = ICE_ERR_DOES_NOT_EXIST; 5360 goto err_ice_get_prof; 5361 } 5362 5363 for (i = 0; i < map->ptg_cnt; i++) 5364 if (!hw->blk[blk].es.written[map->prof_id]) { 5365 /* add ES to change list */ 5366 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5367 if (!p) { 5368 status = ICE_ERR_NO_MEMORY; 5369 goto err_ice_get_prof; 5370 } 5371 5372 p->type = ICE_PTG_ES_ADD; 5373 p->ptype = 0; 5374 p->ptg = map->ptg[i]; 5375 p->attr = map->attr[i]; 5376 p->add_ptg = 0; 5377 5378 p->add_prof = 1; 5379 p->prof_id = map->prof_id; 5380 5381 hw->blk[blk].es.written[map->prof_id] = true; 5382 5383 LIST_ADD(&p->list_entry, chg); 5384 } 5385 5386 err_ice_get_prof: 5387 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5388 /* let caller clean up the change list */ 5389 return status; 5390 } 5391 5392 /** 5393 * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG 5394 * @hw: pointer to the HW struct 5395 * @blk: hardware block 5396 * @vsig: VSIG from which to copy the list 5397 * @lst: output list 5398 * 5399 * This routine makes a copy of the list of profiles in the specified VSIG. 5400 */ 5401 static enum ice_status 5402 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5403 struct LIST_HEAD_TYPE *lst) 5404 { 5405 struct ice_vsig_prof *ent1, *ent2; 5406 u16 idx = vsig & ICE_VSIG_IDX_M; 5407 5408 LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5409 ice_vsig_prof, list) { 5410 struct ice_vsig_prof *p; 5411 5412 /* copy to the input list */ 5413 p = (struct ice_vsig_prof *)ice_memdup(hw, ent1, sizeof(*p), 5414 ICE_NONDMA_TO_NONDMA); 5415 if (!p) 5416 goto err_ice_get_profs_vsig; 5417 5418 LIST_ADD_TAIL(&p->list, lst); 5419 } 5420 5421 return ICE_SUCCESS; 5422 5423 err_ice_get_profs_vsig: 5424 LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) { 5425 LIST_DEL(&ent1->list); 5426 ice_free(hw, ent1); 5427 } 5428 5429 return ICE_ERR_NO_MEMORY; 5430 } 5431 5432 /** 5433 * ice_add_prof_to_lst - add profile entry to a list 5434 * @hw: pointer to the HW struct 5435 * @blk: hardware block 5436 * @lst: the list to be added to 5437 * @hdl: profile handle of entry to add 5438 */ 5439 static enum ice_status 5440 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk, 5441 struct LIST_HEAD_TYPE *lst, u64 hdl) 5442 { 5443 enum ice_status status = ICE_SUCCESS; 5444 struct ice_prof_map *map; 5445 struct ice_vsig_prof *p; 5446 u16 i; 5447 5448 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5449 map = ice_search_prof_id(hw, blk, hdl); 5450 if (!map) { 5451 status = ICE_ERR_DOES_NOT_EXIST; 5452 goto err_ice_add_prof_to_lst; 5453 } 5454 5455 p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p)); 5456 if (!p) { 5457 status = ICE_ERR_NO_MEMORY; 5458 goto err_ice_add_prof_to_lst; 5459 } 5460 5461 p->profile_cookie = map->profile_cookie; 5462 p->prof_id = map->prof_id; 5463 p->tcam_count = map->ptg_cnt; 5464 5465 for (i = 0; i < map->ptg_cnt; i++) { 5466 p->tcam[i].prof_id = map->prof_id; 5467 p->tcam[i].tcam_idx = ICE_INVALID_TCAM; 5468 p->tcam[i].ptg = map->ptg[i]; 5469 p->tcam[i].attr = map->attr[i]; 5470 } 5471 5472 LIST_ADD(&p->list, lst); 5473 5474 err_ice_add_prof_to_lst: 5475 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5476 return status; 5477 } 5478 5479 /** 5480 * ice_move_vsi - move VSI to another VSIG 5481 * @hw: pointer to the HW struct 5482 * @blk: hardware block 5483 * @vsi: the VSI to move 5484 * @vsig: the VSIG to move the VSI to 5485 * @chg: the change list 5486 */ 5487 static enum ice_status 5488 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig, 5489 struct LIST_HEAD_TYPE *chg) 5490 { 5491 enum ice_status status; 5492 struct ice_chs_chg *p; 5493 u16 orig_vsig; 5494 5495 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5496 if (!p) 5497 return ICE_ERR_NO_MEMORY; 5498 5499 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); 5500 if (!status) 5501 status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig); 5502 5503 if (status) { 5504 ice_free(hw, p); 5505 return status; 5506 } 5507 5508 p->type = ICE_VSI_MOVE; 5509 p->vsi = vsi; 5510 p->orig_vsig = orig_vsig; 5511 p->vsig = vsig; 5512 5513 LIST_ADD(&p->list_entry, chg); 5514 5515 return ICE_SUCCESS; 5516 } 5517 5518 /** 5519 * ice_set_tcam_flags - set TCAM flag don't care mask 5520 * @mask: mask for flags 5521 * @dc_mask: pointer to the don't care mask 5522 */ 5523 static void ice_set_tcam_flags(u16 mask, u8 dc_mask[ICE_TCAM_KEY_VAL_SZ]) 5524 { 5525 u16 *flag_word; 5526 5527 /* flags are lowest u16 */ 5528 flag_word = (u16 *)dc_mask; 5529 *flag_word = ~mask; 5530 } 5531 5532 /** 5533 * ice_rem_chg_tcam_ent - remove a specific TCAM entry from change list 5534 * @hw: pointer to the HW struct 5535 * @idx: the index of the TCAM entry to remove 5536 * @chg: the list of change structures to search 5537 */ 5538 static void 5539 ice_rem_chg_tcam_ent(struct ice_hw *hw, u16 idx, struct LIST_HEAD_TYPE *chg) 5540 { 5541 struct ice_chs_chg *pos, *tmp; 5542 5543 LIST_FOR_EACH_ENTRY_SAFE(tmp, pos, chg, ice_chs_chg, list_entry) 5544 if (tmp->type == ICE_TCAM_ADD && tmp->tcam_idx == idx) { 5545 LIST_DEL(&tmp->list_entry); 5546 ice_free(hw, tmp); 5547 } 5548 } 5549 5550 /** 5551 * ice_prof_tcam_ena_dis - add enable or disable TCAM change 5552 * @hw: pointer to the HW struct 5553 * @blk: hardware block 5554 * @enable: true to enable, false to disable 5555 * @vsig: the VSIG of the TCAM entry 5556 * @tcam: pointer the TCAM info structure of the TCAM to disable 5557 * @chg: the change list 5558 * 5559 * This function appends an enable or disable TCAM entry in the change log 5560 */ 5561 static enum ice_status 5562 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, 5563 u16 vsig, struct ice_tcam_inf *tcam, 5564 struct LIST_HEAD_TYPE *chg) 5565 { 5566 enum ice_status status; 5567 struct ice_chs_chg *p; 5568 5569 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5570 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; 5571 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; 5572 5573 /* if disabling, free the TCAM */ 5574 if (!enable) { 5575 status = ice_rel_tcam_idx(hw, blk, tcam->tcam_idx); 5576 5577 /* if we have already created a change for this TCAM entry, then 5578 * we need to remove that entry, in order to prevent writing to 5579 * a TCAM entry we no longer will have ownership of. 5580 */ 5581 ice_rem_chg_tcam_ent(hw, tcam->tcam_idx, chg); 5582 tcam->tcam_idx = 0; 5583 tcam->in_use = 0; 5584 return status; 5585 } 5586 5587 /* for re-enabling, reallocate a TCAM */ 5588 /* for entries with empty attribute masks, allocate entry from 5589 * the bottom of the TCAM table; otherwise, allocate from the 5590 * top of the table in order to give it higher priority 5591 */ 5592 status = ice_alloc_tcam_ent(hw, blk, tcam->attr.mask == 0, 5593 &tcam->tcam_idx); 5594 if (status) 5595 return status; 5596 5597 /* add TCAM to change list */ 5598 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5599 if (!p) 5600 return ICE_ERR_NO_MEMORY; 5601 5602 /* set don't care masks for TCAM flags */ 5603 ice_set_tcam_flags(tcam->attr.mask, dc_msk); 5604 5605 status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id, 5606 tcam->ptg, vsig, 0, tcam->attr.flags, 5607 vl_msk, dc_msk, nm_msk); 5608 if (status) 5609 goto err_ice_prof_tcam_ena_dis; 5610 5611 tcam->in_use = 1; 5612 5613 p->type = ICE_TCAM_ADD; 5614 p->add_tcam_idx = true; 5615 p->prof_id = tcam->prof_id; 5616 p->ptg = tcam->ptg; 5617 p->vsig = 0; 5618 p->tcam_idx = tcam->tcam_idx; 5619 5620 /* log change */ 5621 LIST_ADD(&p->list_entry, chg); 5622 5623 return ICE_SUCCESS; 5624 5625 err_ice_prof_tcam_ena_dis: 5626 ice_free(hw, p); 5627 return status; 5628 } 5629 5630 /** 5631 * ice_ptg_attr_in_use - determine if PTG and attribute pair is in use 5632 * @ptg_attr: pointer to the PTG and attribute pair to check 5633 * @ptgs_used: bitmap that denotes which PTGs are in use 5634 * @attr_used: array of PTG and attributes pairs already used 5635 * @attr_cnt: count of entries in the attr_used array 5636 */ 5637 static bool 5638 ice_ptg_attr_in_use(struct ice_tcam_inf *ptg_attr, ice_bitmap_t *ptgs_used, 5639 struct ice_tcam_inf *attr_used[], u16 attr_cnt) 5640 { 5641 u16 i; 5642 5643 if (!ice_is_bit_set(ptgs_used, ptg_attr->ptg)) 5644 return false; 5645 5646 /* the PTG is used, so now look for correct attributes */ 5647 for (i = 0; i < attr_cnt; i++) 5648 if (attr_used[i]->ptg == ptg_attr->ptg && 5649 attr_used[i]->attr.flags == ptg_attr->attr.flags && 5650 attr_used[i]->attr.mask == ptg_attr->attr.mask) 5651 return true; 5652 5653 return false; 5654 } 5655 5656 /** 5657 * ice_adj_prof_priorities - adjust profile based on priorities 5658 * @hw: pointer to the HW struct 5659 * @blk: hardware block 5660 * @vsig: the VSIG for which to adjust profile priorities 5661 * @chg: the change list 5662 */ 5663 static enum ice_status 5664 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5665 struct LIST_HEAD_TYPE *chg) 5666 { 5667 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT); 5668 struct ice_tcam_inf **attr_used; 5669 enum ice_status status = ICE_SUCCESS; 5670 struct ice_vsig_prof *t; 5671 u16 attr_used_cnt = 0; 5672 u16 idx; 5673 5674 #define ICE_MAX_PTG_ATTRS 1024 5675 attr_used = (struct ice_tcam_inf **)ice_calloc(hw, ICE_MAX_PTG_ATTRS, 5676 sizeof(*attr_used)); 5677 if (!attr_used) 5678 return ICE_ERR_NO_MEMORY; 5679 5680 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT); 5681 idx = vsig & ICE_VSIG_IDX_M; 5682 5683 /* Priority is based on the order in which the profiles are added. The 5684 * newest added profile has highest priority and the oldest added 5685 * profile has the lowest priority. Since the profile property list for 5686 * a VSIG is sorted from newest to oldest, this code traverses the list 5687 * in order and enables the first of each PTG that it finds (that is not 5688 * already enabled); it also disables any duplicate PTGs that it finds 5689 * in the older profiles (that are currently enabled). 5690 */ 5691 5692 LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5693 ice_vsig_prof, list) { 5694 u16 i; 5695 5696 for (i = 0; i < t->tcam_count; i++) { 5697 bool used; 5698 5699 /* Scan the priorities from newest to oldest. 5700 * Make sure that the newest profiles take priority. 5701 */ 5702 used = ice_ptg_attr_in_use(&t->tcam[i], ptgs_used, 5703 attr_used, attr_used_cnt); 5704 5705 if (used && t->tcam[i].in_use) { 5706 /* need to mark this PTG as never match, as it 5707 * was already in use and therefore duplicate 5708 * (and lower priority) 5709 */ 5710 status = ice_prof_tcam_ena_dis(hw, blk, false, 5711 vsig, 5712 &t->tcam[i], 5713 chg); 5714 if (status) 5715 goto err_ice_adj_prof_priorities; 5716 } else if (!used && !t->tcam[i].in_use) { 5717 /* need to enable this PTG, as it in not in use 5718 * and not enabled (highest priority) 5719 */ 5720 status = ice_prof_tcam_ena_dis(hw, blk, true, 5721 vsig, 5722 &t->tcam[i], 5723 chg); 5724 if (status) 5725 goto err_ice_adj_prof_priorities; 5726 } 5727 5728 /* keep track of used ptgs */ 5729 ice_set_bit(t->tcam[i].ptg, ptgs_used); 5730 if (attr_used_cnt < ICE_MAX_PTG_ATTRS) 5731 attr_used[attr_used_cnt++] = &t->tcam[i]; 5732 else 5733 ice_debug(hw, ICE_DBG_INIT, "Warn: ICE_MAX_PTG_ATTRS exceeded\n"); 5734 } 5735 } 5736 5737 err_ice_adj_prof_priorities: 5738 ice_free(hw, attr_used); 5739 return status; 5740 } 5741 5742 /** 5743 * ice_add_prof_id_vsig - add profile to VSIG 5744 * @hw: pointer to the HW struct 5745 * @blk: hardware block 5746 * @vsig: the VSIG to which this profile is to be added 5747 * @hdl: the profile handle indicating the profile to add 5748 * @rev: true to add entries to the end of the list 5749 * @chg: the change list 5750 */ 5751 static enum ice_status 5752 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, 5753 bool rev, struct LIST_HEAD_TYPE *chg) 5754 { 5755 /* Masks that ignore flags */ 5756 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5757 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; 5758 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; 5759 enum ice_status status = ICE_SUCCESS; 5760 struct ice_prof_map *map; 5761 struct ice_vsig_prof *t; 5762 struct ice_chs_chg *p; 5763 u16 vsig_idx, i; 5764 5765 /* Error, if this VSIG already has this profile */ 5766 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) 5767 return ICE_ERR_ALREADY_EXISTS; 5768 5769 /* new VSIG profile structure */ 5770 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t)); 5771 if (!t) 5772 return ICE_ERR_NO_MEMORY; 5773 5774 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5775 /* Get the details on the profile specified by the handle ID */ 5776 map = ice_search_prof_id(hw, blk, hdl); 5777 if (!map) { 5778 status = ICE_ERR_DOES_NOT_EXIST; 5779 goto err_ice_add_prof_id_vsig; 5780 } 5781 5782 t->profile_cookie = map->profile_cookie; 5783 t->prof_id = map->prof_id; 5784 t->tcam_count = map->ptg_cnt; 5785 5786 /* create TCAM entries */ 5787 for (i = 0; i < map->ptg_cnt; i++) { 5788 u16 tcam_idx; 5789 5790 /* add TCAM to change list */ 5791 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5792 if (!p) { 5793 status = ICE_ERR_NO_MEMORY; 5794 goto err_ice_add_prof_id_vsig; 5795 } 5796 5797 /* allocate the TCAM entry index */ 5798 /* for entries with empty attribute masks, allocate entry from 5799 * the bottom of the TCAM table; otherwise, allocate from the 5800 * top of the table in order to give it higher priority 5801 */ 5802 status = ice_alloc_tcam_ent(hw, blk, map->attr[i].mask == 0, 5803 &tcam_idx); 5804 if (status) { 5805 ice_free(hw, p); 5806 goto err_ice_add_prof_id_vsig; 5807 } 5808 5809 t->tcam[i].ptg = map->ptg[i]; 5810 t->tcam[i].prof_id = map->prof_id; 5811 t->tcam[i].tcam_idx = tcam_idx; 5812 t->tcam[i].attr = map->attr[i]; 5813 t->tcam[i].in_use = true; 5814 5815 p->type = ICE_TCAM_ADD; 5816 p->add_tcam_idx = true; 5817 p->prof_id = t->tcam[i].prof_id; 5818 p->ptg = t->tcam[i].ptg; 5819 p->vsig = vsig; 5820 p->tcam_idx = t->tcam[i].tcam_idx; 5821 5822 /* set don't care masks for TCAM flags */ 5823 ice_set_tcam_flags(t->tcam[i].attr.mask, dc_msk); 5824 5825 /* write the TCAM entry */ 5826 status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx, 5827 t->tcam[i].prof_id, 5828 t->tcam[i].ptg, vsig, 0, 5829 t->tcam[i].attr.flags, vl_msk, 5830 dc_msk, nm_msk); 5831 if (status) { 5832 ice_free(hw, p); 5833 goto err_ice_add_prof_id_vsig; 5834 } 5835 5836 /* log change */ 5837 LIST_ADD(&p->list_entry, chg); 5838 } 5839 5840 /* add profile to VSIG */ 5841 vsig_idx = vsig & ICE_VSIG_IDX_M; 5842 if (rev) 5843 LIST_ADD_TAIL(&t->list, 5844 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); 5845 else 5846 LIST_ADD(&t->list, 5847 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); 5848 5849 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5850 return status; 5851 5852 err_ice_add_prof_id_vsig: 5853 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5854 /* let caller clean up the change list */ 5855 ice_free(hw, t); 5856 return status; 5857 } 5858 5859 /** 5860 * ice_create_prof_id_vsig - add a new VSIG with a single profile 5861 * @hw: pointer to the HW struct 5862 * @blk: hardware block 5863 * @vsi: the initial VSI that will be in VSIG 5864 * @hdl: the profile handle of the profile that will be added to the VSIG 5865 * @chg: the change list 5866 */ 5867 static enum ice_status 5868 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl, 5869 struct LIST_HEAD_TYPE *chg) 5870 { 5871 enum ice_status status; 5872 struct ice_chs_chg *p; 5873 u16 new_vsig; 5874 5875 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5876 if (!p) 5877 return ICE_ERR_NO_MEMORY; 5878 5879 new_vsig = ice_vsig_alloc(hw, blk); 5880 if (!new_vsig) { 5881 status = ICE_ERR_HW_TABLE; 5882 goto err_ice_create_prof_id_vsig; 5883 } 5884 5885 status = ice_move_vsi(hw, blk, vsi, new_vsig, chg); 5886 if (status) 5887 goto err_ice_create_prof_id_vsig; 5888 5889 status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, false, chg); 5890 if (status) 5891 goto err_ice_create_prof_id_vsig; 5892 5893 p->type = ICE_VSIG_ADD; 5894 p->vsi = vsi; 5895 p->orig_vsig = ICE_DEFAULT_VSIG; 5896 p->vsig = new_vsig; 5897 5898 LIST_ADD(&p->list_entry, chg); 5899 5900 return ICE_SUCCESS; 5901 5902 err_ice_create_prof_id_vsig: 5903 /* let caller clean up the change list */ 5904 ice_free(hw, p); 5905 return status; 5906 } 5907 5908 /** 5909 * ice_create_vsig_from_lst - create a new VSIG with a list of profiles 5910 * @hw: pointer to the HW struct 5911 * @blk: hardware block 5912 * @vsi: the initial VSI that will be in VSIG 5913 * @lst: the list of profile that will be added to the VSIG 5914 * @new_vsig: return of new VSIG 5915 * @chg: the change list 5916 */ 5917 static enum ice_status 5918 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi, 5919 struct LIST_HEAD_TYPE *lst, u16 *new_vsig, 5920 struct LIST_HEAD_TYPE *chg) 5921 { 5922 struct ice_vsig_prof *t; 5923 enum ice_status status; 5924 u16 vsig; 5925 5926 vsig = ice_vsig_alloc(hw, blk); 5927 if (!vsig) 5928 return ICE_ERR_HW_TABLE; 5929 5930 status = ice_move_vsi(hw, blk, vsi, vsig, chg); 5931 if (status) 5932 return status; 5933 5934 LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) { 5935 /* Reverse the order here since we are copying the list */ 5936 status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie, 5937 true, chg); 5938 if (status) 5939 return status; 5940 } 5941 5942 *new_vsig = vsig; 5943 5944 return ICE_SUCCESS; 5945 } 5946 5947 /** 5948 * ice_find_prof_vsig - find a VSIG with a specific profile handle 5949 * @hw: pointer to the HW struct 5950 * @blk: hardware block 5951 * @hdl: the profile handle of the profile to search for 5952 * @vsig: returns the VSIG with the matching profile 5953 */ 5954 static bool 5955 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig) 5956 { 5957 struct ice_vsig_prof *t; 5958 struct LIST_HEAD_TYPE lst; 5959 enum ice_status status; 5960 5961 INIT_LIST_HEAD(&lst); 5962 5963 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t)); 5964 if (!t) 5965 return false; 5966 5967 t->profile_cookie = hdl; 5968 LIST_ADD(&t->list, &lst); 5969 5970 status = ice_find_dup_props_vsig(hw, blk, &lst, vsig); 5971 5972 LIST_DEL(&t->list); 5973 ice_free(hw, t); 5974 5975 return status == ICE_SUCCESS; 5976 } 5977 5978 /** 5979 * ice_add_vsi_flow - add VSI flow 5980 * @hw: pointer to the HW struct 5981 * @blk: hardware block 5982 * @vsi: input VSI 5983 * @vsig: target VSIG to include the input VSI 5984 * 5985 * Calling this function will add the VSI to a given VSIG and 5986 * update the HW tables accordingly. This call can be used to 5987 * add multiple VSIs to a VSIG if we know beforehand that those 5988 * VSIs have the same characteristics of the VSIG. This will 5989 * save time in generating a new VSIG and TCAMs till a match is 5990 * found and subsequent rollback when a matching VSIG is found. 5991 */ 5992 enum ice_status 5993 ice_add_vsi_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 5994 { 5995 struct ice_chs_chg *tmp, *del; 5996 struct LIST_HEAD_TYPE chg; 5997 enum ice_status status; 5998 5999 /* if target VSIG is default the move is invalid */ 6000 if ((vsig & ICE_VSIG_IDX_M) == ICE_DEFAULT_VSIG) 6001 return ICE_ERR_PARAM; 6002 6003 INIT_LIST_HEAD(&chg); 6004 6005 /* move VSI to the VSIG that matches */ 6006 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6007 /* update hardware if success */ 6008 if (!status) 6009 status = ice_upd_prof_hw(hw, blk, &chg); 6010 6011 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 6012 LIST_DEL(&del->list_entry); 6013 ice_free(hw, del); 6014 } 6015 6016 return status; 6017 } 6018 6019 /** 6020 * ice_add_prof_id_flow - add profile flow 6021 * @hw: pointer to the HW struct 6022 * @blk: hardware block 6023 * @vsi: the VSI to enable with the profile specified by ID 6024 * @hdl: profile handle 6025 * 6026 * Calling this function will update the hardware tables to enable the 6027 * profile indicated by the ID parameter for the VSIs specified in the VSI 6028 * array. Once successfully called, the flow will be enabled. 6029 */ 6030 enum ice_status 6031 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) 6032 { 6033 struct ice_vsig_prof *tmp1, *del1; 6034 struct LIST_HEAD_TYPE union_lst; 6035 struct ice_chs_chg *tmp, *del; 6036 struct LIST_HEAD_TYPE chg; 6037 enum ice_status status; 6038 u16 vsig; 6039 6040 INIT_LIST_HEAD(&union_lst); 6041 INIT_LIST_HEAD(&chg); 6042 6043 /* Get profile */ 6044 status = ice_get_prof(hw, blk, hdl, &chg); 6045 if (status) 6046 return status; 6047 6048 /* determine if VSI is already part of a VSIG */ 6049 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig); 6050 if (!status && vsig) { 6051 bool only_vsi; 6052 u16 or_vsig; 6053 u16 ref; 6054 6055 /* found in VSIG */ 6056 or_vsig = vsig; 6057 6058 /* make sure that there is no overlap/conflict between the new 6059 * characteristics and the existing ones; we don't support that 6060 * scenario 6061 */ 6062 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) { 6063 status = ICE_ERR_ALREADY_EXISTS; 6064 goto err_ice_add_prof_id_flow; 6065 } 6066 6067 /* last VSI in the VSIG? */ 6068 status = ice_vsig_get_ref(hw, blk, vsig, &ref); 6069 if (status) 6070 goto err_ice_add_prof_id_flow; 6071 only_vsi = (ref == 1); 6072 6073 /* create a union of the current profiles and the one being 6074 * added 6075 */ 6076 status = ice_get_profs_vsig(hw, blk, vsig, &union_lst); 6077 if (status) 6078 goto err_ice_add_prof_id_flow; 6079 6080 status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl); 6081 if (status) 6082 goto err_ice_add_prof_id_flow; 6083 6084 /* search for an existing VSIG with an exact charc match */ 6085 status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig); 6086 if (!status) { 6087 /* move VSI to the VSIG that matches */ 6088 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6089 if (status) 6090 goto err_ice_add_prof_id_flow; 6091 6092 /* VSI has been moved out of or_vsig. If the or_vsig had 6093 * only that VSI it is now empty and can be removed. 6094 */ 6095 if (only_vsi) { 6096 status = ice_rem_vsig(hw, blk, or_vsig, &chg); 6097 if (status) 6098 goto err_ice_add_prof_id_flow; 6099 } 6100 } else if (only_vsi) { 6101 /* If the original VSIG only contains one VSI, then it 6102 * will be the requesting VSI. In this case the VSI is 6103 * not sharing entries and we can simply add the new 6104 * profile to the VSIG. 6105 */ 6106 status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, false, 6107 &chg); 6108 if (status) 6109 goto err_ice_add_prof_id_flow; 6110 6111 /* Adjust priorities */ 6112 status = ice_adj_prof_priorities(hw, blk, vsig, &chg); 6113 if (status) 6114 goto err_ice_add_prof_id_flow; 6115 } else { 6116 /* No match, so we need a new VSIG */ 6117 status = ice_create_vsig_from_lst(hw, blk, vsi, 6118 &union_lst, &vsig, 6119 &chg); 6120 if (status) 6121 goto err_ice_add_prof_id_flow; 6122 6123 /* Adjust priorities */ 6124 status = ice_adj_prof_priorities(hw, blk, vsig, &chg); 6125 if (status) 6126 goto err_ice_add_prof_id_flow; 6127 } 6128 } else { 6129 /* need to find or add a VSIG */ 6130 /* search for an existing VSIG with an exact charc match */ 6131 if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) { 6132 /* found an exact match */ 6133 /* add or move VSI to the VSIG that matches */ 6134 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6135 if (status) 6136 goto err_ice_add_prof_id_flow; 6137 } else { 6138 /* we did not find an exact match */ 6139 /* we need to add a VSIG */ 6140 status = ice_create_prof_id_vsig(hw, blk, vsi, hdl, 6141 &chg); 6142 if (status) 6143 goto err_ice_add_prof_id_flow; 6144 } 6145 } 6146 6147 /* update hardware */ 6148 if (!status) 6149 status = ice_upd_prof_hw(hw, blk, &chg); 6150 6151 err_ice_add_prof_id_flow: 6152 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 6153 LIST_DEL(&del->list_entry); 6154 ice_free(hw, del); 6155 } 6156 6157 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) { 6158 LIST_DEL(&del1->list); 6159 ice_free(hw, del1); 6160 } 6161 6162 return status; 6163 } 6164 6165 /** 6166 * ice_rem_prof_from_list - remove a profile from list 6167 * @hw: pointer to the HW struct 6168 * @lst: list to remove the profile from 6169 * @hdl: the profile handle indicating the profile to remove 6170 */ 6171 static enum ice_status 6172 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl) 6173 { 6174 struct ice_vsig_prof *ent, *tmp; 6175 6176 LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list) 6177 if (ent->profile_cookie == hdl) { 6178 LIST_DEL(&ent->list); 6179 ice_free(hw, ent); 6180 return ICE_SUCCESS; 6181 } 6182 6183 return ICE_ERR_DOES_NOT_EXIST; 6184 } 6185 6186 /** 6187 * ice_rem_prof_id_flow - remove flow 6188 * @hw: pointer to the HW struct 6189 * @blk: hardware block 6190 * @vsi: the VSI from which to remove the profile specified by ID 6191 * @hdl: profile tracking handle 6192 * 6193 * Calling this function will update the hardware tables to remove the 6194 * profile indicated by the ID parameter for the VSIs specified in the VSI 6195 * array. Once successfully called, the flow will be disabled. 6196 */ 6197 enum ice_status 6198 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) 6199 { 6200 struct ice_vsig_prof *tmp1, *del1; 6201 struct LIST_HEAD_TYPE chg, copy; 6202 struct ice_chs_chg *tmp, *del; 6203 enum ice_status status; 6204 u16 vsig; 6205 6206 INIT_LIST_HEAD(©); 6207 INIT_LIST_HEAD(&chg); 6208 6209 /* determine if VSI is already part of a VSIG */ 6210 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig); 6211 if (!status && vsig) { 6212 bool last_profile; 6213 bool only_vsi; 6214 u16 ref; 6215 6216 /* found in VSIG */ 6217 last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1; 6218 status = ice_vsig_get_ref(hw, blk, vsig, &ref); 6219 if (status) 6220 goto err_ice_rem_prof_id_flow; 6221 only_vsi = (ref == 1); 6222 6223 if (only_vsi) { 6224 /* If the original VSIG only contains one reference, 6225 * which will be the requesting VSI, then the VSI is not 6226 * sharing entries and we can simply remove the specific 6227 * characteristics from the VSIG. 6228 */ 6229 6230 if (last_profile) { 6231 /* If there are no profiles left for this VSIG, 6232 * then simply remove the VSIG. 6233 */ 6234 status = ice_rem_vsig(hw, blk, vsig, &chg); 6235 if (status) 6236 goto err_ice_rem_prof_id_flow; 6237 } else { 6238 status = ice_rem_prof_id_vsig(hw, blk, vsig, 6239 hdl, &chg); 6240 if (status) 6241 goto err_ice_rem_prof_id_flow; 6242 6243 /* Adjust priorities */ 6244 status = ice_adj_prof_priorities(hw, blk, vsig, 6245 &chg); 6246 if (status) 6247 goto err_ice_rem_prof_id_flow; 6248 } 6249 6250 } else { 6251 /* Make a copy of the VSIG's list of Profiles */ 6252 status = ice_get_profs_vsig(hw, blk, vsig, ©); 6253 if (status) 6254 goto err_ice_rem_prof_id_flow; 6255 6256 /* Remove specified profile entry from the list */ 6257 status = ice_rem_prof_from_list(hw, ©, hdl); 6258 if (status) 6259 goto err_ice_rem_prof_id_flow; 6260 6261 if (LIST_EMPTY(©)) { 6262 status = ice_move_vsi(hw, blk, vsi, 6263 ICE_DEFAULT_VSIG, &chg); 6264 if (status) 6265 goto err_ice_rem_prof_id_flow; 6266 6267 } else if (!ice_find_dup_props_vsig(hw, blk, ©, 6268 &vsig)) { 6269 /* found an exact match */ 6270 /* add or move VSI to the VSIG that matches */ 6271 /* Search for a VSIG with a matching profile 6272 * list 6273 */ 6274 6275 /* Found match, move VSI to the matching VSIG */ 6276 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6277 if (status) 6278 goto err_ice_rem_prof_id_flow; 6279 } else { 6280 /* since no existing VSIG supports this 6281 * characteristic pattern, we need to create a 6282 * new VSIG and TCAM entries 6283 */ 6284 status = ice_create_vsig_from_lst(hw, blk, vsi, 6285 ©, &vsig, 6286 &chg); 6287 if (status) 6288 goto err_ice_rem_prof_id_flow; 6289 6290 /* Adjust priorities */ 6291 status = ice_adj_prof_priorities(hw, blk, vsig, 6292 &chg); 6293 if (status) 6294 goto err_ice_rem_prof_id_flow; 6295 } 6296 } 6297 } else { 6298 status = ICE_ERR_DOES_NOT_EXIST; 6299 } 6300 6301 /* update hardware tables */ 6302 if (!status) 6303 status = ice_upd_prof_hw(hw, blk, &chg); 6304 6305 err_ice_rem_prof_id_flow: 6306 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 6307 LIST_DEL(&del->list_entry); 6308 ice_free(hw, del); 6309 } 6310 6311 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, ©, ice_vsig_prof, list) { 6312 LIST_DEL(&del1->list); 6313 ice_free(hw, del1); 6314 } 6315 6316 return status; 6317 } 6318