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