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