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