1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2019, Intel Corporation. */ 3 4 #include "ice_common.h" 5 #include "ice_flex_pipe.h" 6 #include "ice_flow.h" 7 8 /* To support tunneling entries by PF, the package will append the PF number to 9 * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc. 10 */ 11 static const struct ice_tunnel_type_scan tnls[] = { 12 { TNL_VXLAN, "TNL_VXLAN_PF" }, 13 { TNL_GENEVE, "TNL_GENEVE_PF" }, 14 { TNL_LAST, "" } 15 }; 16 17 static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = { 18 /* SWITCH */ 19 { 20 ICE_SID_XLT0_SW, 21 ICE_SID_XLT_KEY_BUILDER_SW, 22 ICE_SID_XLT1_SW, 23 ICE_SID_XLT2_SW, 24 ICE_SID_PROFID_TCAM_SW, 25 ICE_SID_PROFID_REDIR_SW, 26 ICE_SID_FLD_VEC_SW, 27 ICE_SID_CDID_KEY_BUILDER_SW, 28 ICE_SID_CDID_REDIR_SW 29 }, 30 31 /* ACL */ 32 { 33 ICE_SID_XLT0_ACL, 34 ICE_SID_XLT_KEY_BUILDER_ACL, 35 ICE_SID_XLT1_ACL, 36 ICE_SID_XLT2_ACL, 37 ICE_SID_PROFID_TCAM_ACL, 38 ICE_SID_PROFID_REDIR_ACL, 39 ICE_SID_FLD_VEC_ACL, 40 ICE_SID_CDID_KEY_BUILDER_ACL, 41 ICE_SID_CDID_REDIR_ACL 42 }, 43 44 /* FD */ 45 { 46 ICE_SID_XLT0_FD, 47 ICE_SID_XLT_KEY_BUILDER_FD, 48 ICE_SID_XLT1_FD, 49 ICE_SID_XLT2_FD, 50 ICE_SID_PROFID_TCAM_FD, 51 ICE_SID_PROFID_REDIR_FD, 52 ICE_SID_FLD_VEC_FD, 53 ICE_SID_CDID_KEY_BUILDER_FD, 54 ICE_SID_CDID_REDIR_FD 55 }, 56 57 /* RSS */ 58 { 59 ICE_SID_XLT0_RSS, 60 ICE_SID_XLT_KEY_BUILDER_RSS, 61 ICE_SID_XLT1_RSS, 62 ICE_SID_XLT2_RSS, 63 ICE_SID_PROFID_TCAM_RSS, 64 ICE_SID_PROFID_REDIR_RSS, 65 ICE_SID_FLD_VEC_RSS, 66 ICE_SID_CDID_KEY_BUILDER_RSS, 67 ICE_SID_CDID_REDIR_RSS 68 }, 69 70 /* PE */ 71 { 72 ICE_SID_XLT0_PE, 73 ICE_SID_XLT_KEY_BUILDER_PE, 74 ICE_SID_XLT1_PE, 75 ICE_SID_XLT2_PE, 76 ICE_SID_PROFID_TCAM_PE, 77 ICE_SID_PROFID_REDIR_PE, 78 ICE_SID_FLD_VEC_PE, 79 ICE_SID_CDID_KEY_BUILDER_PE, 80 ICE_SID_CDID_REDIR_PE 81 } 82 }; 83 84 /** 85 * ice_sect_id - returns section ID 86 * @blk: block type 87 * @sect: section type 88 * 89 * This helper function returns the proper section ID given a block type and a 90 * section type. 91 */ 92 static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect) 93 { 94 return ice_sect_lkup[blk][sect]; 95 } 96 97 /** 98 * ice_pkg_val_buf 99 * @buf: pointer to the ice buffer 100 * 101 * This helper function validates a buffer's header. 102 */ 103 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf) 104 { 105 struct ice_buf_hdr *hdr; 106 u16 section_count; 107 u16 data_end; 108 109 hdr = (struct ice_buf_hdr *)buf->buf; 110 /* verify data */ 111 section_count = le16_to_cpu(hdr->section_count); 112 if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT) 113 return NULL; 114 115 data_end = le16_to_cpu(hdr->data_end); 116 if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END) 117 return NULL; 118 119 return hdr; 120 } 121 122 /** 123 * ice_find_buf_table 124 * @ice_seg: pointer to the ice segment 125 * 126 * Returns the address of the buffer table within the ice segment. 127 */ 128 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg) 129 { 130 struct ice_nvm_table *nvms; 131 132 nvms = (struct ice_nvm_table *) 133 (ice_seg->device_table + 134 le32_to_cpu(ice_seg->device_table_count)); 135 136 return (__force struct ice_buf_table *) 137 (nvms->vers + le32_to_cpu(nvms->table_count)); 138 } 139 140 /** 141 * ice_pkg_enum_buf 142 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 143 * @state: pointer to the enum state 144 * 145 * This function will enumerate all the buffers in the ice segment. The first 146 * call is made with the ice_seg parameter non-NULL; on subsequent calls, 147 * ice_seg is set to NULL which continues the enumeration. When the function 148 * returns a NULL pointer, then the end of the buffers has been reached, or an 149 * unexpected value has been detected (for example an invalid section count or 150 * an invalid buffer end value). 151 */ 152 static struct ice_buf_hdr * 153 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state) 154 { 155 if (ice_seg) { 156 state->buf_table = ice_find_buf_table(ice_seg); 157 if (!state->buf_table) 158 return NULL; 159 160 state->buf_idx = 0; 161 return ice_pkg_val_buf(state->buf_table->buf_array); 162 } 163 164 if (++state->buf_idx < le32_to_cpu(state->buf_table->buf_count)) 165 return ice_pkg_val_buf(state->buf_table->buf_array + 166 state->buf_idx); 167 else 168 return NULL; 169 } 170 171 /** 172 * ice_pkg_advance_sect 173 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 174 * @state: pointer to the enum state 175 * 176 * This helper function will advance the section within the ice segment, 177 * also advancing the buffer if needed. 178 */ 179 static bool 180 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state) 181 { 182 if (!ice_seg && !state->buf) 183 return false; 184 185 if (!ice_seg && state->buf) 186 if (++state->sect_idx < le16_to_cpu(state->buf->section_count)) 187 return true; 188 189 state->buf = ice_pkg_enum_buf(ice_seg, state); 190 if (!state->buf) 191 return false; 192 193 /* start of new buffer, reset section index */ 194 state->sect_idx = 0; 195 return true; 196 } 197 198 /** 199 * ice_pkg_enum_section 200 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 201 * @state: pointer to the enum state 202 * @sect_type: section type to enumerate 203 * 204 * This function will enumerate all the sections of a particular type in the 205 * ice segment. The first call is made with the ice_seg parameter non-NULL; 206 * on subsequent calls, ice_seg is set to NULL which continues the enumeration. 207 * When the function returns a NULL pointer, then the end of the matching 208 * sections has been reached. 209 */ 210 static void * 211 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state, 212 u32 sect_type) 213 { 214 u16 offset, size; 215 216 if (ice_seg) 217 state->type = sect_type; 218 219 if (!ice_pkg_advance_sect(ice_seg, state)) 220 return NULL; 221 222 /* scan for next matching section */ 223 while (state->buf->section_entry[state->sect_idx].type != 224 cpu_to_le32(state->type)) 225 if (!ice_pkg_advance_sect(NULL, state)) 226 return NULL; 227 228 /* validate section */ 229 offset = le16_to_cpu(state->buf->section_entry[state->sect_idx].offset); 230 if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF) 231 return NULL; 232 233 size = le16_to_cpu(state->buf->section_entry[state->sect_idx].size); 234 if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ) 235 return NULL; 236 237 /* make sure the section fits in the buffer */ 238 if (offset + size > ICE_PKG_BUF_SIZE) 239 return NULL; 240 241 state->sect_type = 242 le32_to_cpu(state->buf->section_entry[state->sect_idx].type); 243 244 /* calc pointer to this section */ 245 state->sect = ((u8 *)state->buf) + 246 le16_to_cpu(state->buf->section_entry[state->sect_idx].offset); 247 248 return state->sect; 249 } 250 251 /** 252 * ice_pkg_enum_entry 253 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 254 * @state: pointer to the enum state 255 * @sect_type: section type to enumerate 256 * @offset: pointer to variable that receives the offset in the table (optional) 257 * @handler: function that handles access to the entries into the section type 258 * 259 * This function will enumerate all the entries in particular section type in 260 * the ice segment. The first call is made with the ice_seg parameter non-NULL; 261 * on subsequent calls, ice_seg is set to NULL which continues the enumeration. 262 * When the function returns a NULL pointer, then the end of the entries has 263 * been reached. 264 * 265 * Since each section may have a different header and entry size, the handler 266 * function is needed to determine the number and location entries in each 267 * section. 268 * 269 * The offset parameter is optional, but should be used for sections that 270 * contain an offset for each section table. For such cases, the section handler 271 * function must return the appropriate offset + index to give the absolution 272 * offset for each entry. For example, if the base for a section's header 273 * indicates a base offset of 10, and the index for the entry is 2, then 274 * section handler function should set the offset to 10 + 2 = 12. 275 */ 276 static void * 277 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state, 278 u32 sect_type, u32 *offset, 279 void *(*handler)(u32 sect_type, void *section, 280 u32 index, u32 *offset)) 281 { 282 void *entry; 283 284 if (ice_seg) { 285 if (!handler) 286 return NULL; 287 288 if (!ice_pkg_enum_section(ice_seg, state, sect_type)) 289 return NULL; 290 291 state->entry_idx = 0; 292 state->handler = handler; 293 } else { 294 state->entry_idx++; 295 } 296 297 if (!state->handler) 298 return NULL; 299 300 /* get entry */ 301 entry = state->handler(state->sect_type, state->sect, state->entry_idx, 302 offset); 303 if (!entry) { 304 /* end of a section, look for another section of this type */ 305 if (!ice_pkg_enum_section(NULL, state, 0)) 306 return NULL; 307 308 state->entry_idx = 0; 309 entry = state->handler(state->sect_type, state->sect, 310 state->entry_idx, offset); 311 } 312 313 return entry; 314 } 315 316 /** 317 * ice_boost_tcam_handler 318 * @sect_type: section type 319 * @section: pointer to section 320 * @index: index of the boost TCAM entry to be returned 321 * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections 322 * 323 * This is a callback function that can be passed to ice_pkg_enum_entry. 324 * Handles enumeration of individual boost TCAM entries. 325 */ 326 static void * 327 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset) 328 { 329 struct ice_boost_tcam_section *boost; 330 331 if (!section) 332 return NULL; 333 334 if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM) 335 return NULL; 336 337 if (index > ICE_MAX_BST_TCAMS_IN_BUF) 338 return NULL; 339 340 if (offset) 341 *offset = 0; 342 343 boost = section; 344 if (index >= le16_to_cpu(boost->count)) 345 return NULL; 346 347 return boost->tcam + index; 348 } 349 350 /** 351 * ice_find_boost_entry 352 * @ice_seg: pointer to the ice segment (non-NULL) 353 * @addr: Boost TCAM address of entry to search for 354 * @entry: returns pointer to the entry 355 * 356 * Finds a particular Boost TCAM entry and returns a pointer to that entry 357 * if it is found. The ice_seg parameter must not be NULL since the first call 358 * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure. 359 */ 360 static enum ice_status 361 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr, 362 struct ice_boost_tcam_entry **entry) 363 { 364 struct ice_boost_tcam_entry *tcam; 365 struct ice_pkg_enum state; 366 367 memset(&state, 0, sizeof(state)); 368 369 if (!ice_seg) 370 return ICE_ERR_PARAM; 371 372 do { 373 tcam = ice_pkg_enum_entry(ice_seg, &state, 374 ICE_SID_RXPARSER_BOOST_TCAM, NULL, 375 ice_boost_tcam_handler); 376 if (tcam && le16_to_cpu(tcam->addr) == addr) { 377 *entry = tcam; 378 return 0; 379 } 380 381 ice_seg = NULL; 382 } while (tcam); 383 384 *entry = NULL; 385 return ICE_ERR_CFG; 386 } 387 388 /** 389 * ice_label_enum_handler 390 * @sect_type: section type 391 * @section: pointer to section 392 * @index: index of the label entry to be returned 393 * @offset: pointer to receive absolute offset, always zero for label sections 394 * 395 * This is a callback function that can be passed to ice_pkg_enum_entry. 396 * Handles enumeration of individual label entries. 397 */ 398 static void * 399 ice_label_enum_handler(u32 __always_unused sect_type, void *section, u32 index, 400 u32 *offset) 401 { 402 struct ice_label_section *labels; 403 404 if (!section) 405 return NULL; 406 407 if (index > ICE_MAX_LABELS_IN_BUF) 408 return NULL; 409 410 if (offset) 411 *offset = 0; 412 413 labels = section; 414 if (index >= le16_to_cpu(labels->count)) 415 return NULL; 416 417 return labels->label + index; 418 } 419 420 /** 421 * ice_enum_labels 422 * @ice_seg: pointer to the ice segment (NULL on subsequent calls) 423 * @type: the section type that will contain the label (0 on subsequent calls) 424 * @state: ice_pkg_enum structure that will hold the state of the enumeration 425 * @value: pointer to a value that will return the label's value if found 426 * 427 * Enumerates a list of labels in the package. The caller will call 428 * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call 429 * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL 430 * the end of the list has been reached. 431 */ 432 static char * 433 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state, 434 u16 *value) 435 { 436 struct ice_label *label; 437 438 /* Check for valid label section on first call */ 439 if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST)) 440 return NULL; 441 442 label = ice_pkg_enum_entry(ice_seg, state, type, NULL, 443 ice_label_enum_handler); 444 if (!label) 445 return NULL; 446 447 *value = le16_to_cpu(label->value); 448 return label->name; 449 } 450 451 /** 452 * ice_init_pkg_hints 453 * @hw: pointer to the HW structure 454 * @ice_seg: pointer to the segment of the package scan (non-NULL) 455 * 456 * This function will scan the package and save off relevant information 457 * (hints or metadata) for driver use. The ice_seg parameter must not be NULL 458 * since the first call to ice_enum_labels requires a pointer to an actual 459 * ice_seg structure. 460 */ 461 static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg) 462 { 463 struct ice_pkg_enum state; 464 char *label_name; 465 u16 val; 466 int i; 467 468 memset(&hw->tnl, 0, sizeof(hw->tnl)); 469 memset(&state, 0, sizeof(state)); 470 471 if (!ice_seg) 472 return; 473 474 label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state, 475 &val); 476 477 while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) { 478 for (i = 0; tnls[i].type != TNL_LAST; i++) { 479 size_t len = strlen(tnls[i].label_prefix); 480 481 /* Look for matching label start, before continuing */ 482 if (strncmp(label_name, tnls[i].label_prefix, len)) 483 continue; 484 485 /* Make sure this label matches our PF. Note that the PF 486 * character ('0' - '7') will be located where our 487 * prefix string's null terminator is located. 488 */ 489 if ((label_name[len] - '0') == hw->pf_id) { 490 hw->tnl.tbl[hw->tnl.count].type = tnls[i].type; 491 hw->tnl.tbl[hw->tnl.count].valid = false; 492 hw->tnl.tbl[hw->tnl.count].boost_addr = val; 493 hw->tnl.tbl[hw->tnl.count].port = 0; 494 hw->tnl.count++; 495 break; 496 } 497 } 498 499 label_name = ice_enum_labels(NULL, 0, &state, &val); 500 } 501 502 /* Cache the appropriate boost TCAM entry pointers */ 503 for (i = 0; i < hw->tnl.count; i++) { 504 ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr, 505 &hw->tnl.tbl[i].boost_entry); 506 if (hw->tnl.tbl[i].boost_entry) { 507 hw->tnl.tbl[i].valid = true; 508 if (hw->tnl.tbl[i].type < __TNL_TYPE_CNT) 509 hw->tnl.valid_count[hw->tnl.tbl[i].type]++; 510 } 511 } 512 } 513 514 /* Key creation */ 515 516 #define ICE_DC_KEY 0x1 /* don't care */ 517 #define ICE_DC_KEYINV 0x1 518 #define ICE_NM_KEY 0x0 /* never match */ 519 #define ICE_NM_KEYINV 0x0 520 #define ICE_0_KEY 0x1 /* match 0 */ 521 #define ICE_0_KEYINV 0x0 522 #define ICE_1_KEY 0x0 /* match 1 */ 523 #define ICE_1_KEYINV 0x1 524 525 /** 526 * ice_gen_key_word - generate 16-bits of a key/mask word 527 * @val: the value 528 * @valid: valid bits mask (change only the valid bits) 529 * @dont_care: don't care mask 530 * @nvr_mtch: never match mask 531 * @key: pointer to an array of where the resulting key portion 532 * @key_inv: pointer to an array of where the resulting key invert portion 533 * 534 * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask 535 * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits 536 * of key and 8 bits of key invert. 537 * 538 * '0' = b01, always match a 0 bit 539 * '1' = b10, always match a 1 bit 540 * '?' = b11, don't care bit (always matches) 541 * '~' = b00, never match bit 542 * 543 * Input: 544 * val: b0 1 0 1 0 1 545 * dont_care: b0 0 1 1 0 0 546 * never_mtch: b0 0 0 0 1 1 547 * ------------------------------ 548 * Result: key: b01 10 11 11 00 00 549 */ 550 static enum ice_status 551 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key, 552 u8 *key_inv) 553 { 554 u8 in_key = *key, in_key_inv = *key_inv; 555 u8 i; 556 557 /* 'dont_care' and 'nvr_mtch' masks cannot overlap */ 558 if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch)) 559 return ICE_ERR_CFG; 560 561 *key = 0; 562 *key_inv = 0; 563 564 /* encode the 8 bits into 8-bit key and 8-bit key invert */ 565 for (i = 0; i < 8; i++) { 566 *key >>= 1; 567 *key_inv >>= 1; 568 569 if (!(valid & 0x1)) { /* change only valid bits */ 570 *key |= (in_key & 0x1) << 7; 571 *key_inv |= (in_key_inv & 0x1) << 7; 572 } else if (dont_care & 0x1) { /* don't care bit */ 573 *key |= ICE_DC_KEY << 7; 574 *key_inv |= ICE_DC_KEYINV << 7; 575 } else if (nvr_mtch & 0x1) { /* never match bit */ 576 *key |= ICE_NM_KEY << 7; 577 *key_inv |= ICE_NM_KEYINV << 7; 578 } else if (val & 0x01) { /* exact 1 match */ 579 *key |= ICE_1_KEY << 7; 580 *key_inv |= ICE_1_KEYINV << 7; 581 } else { /* exact 0 match */ 582 *key |= ICE_0_KEY << 7; 583 *key_inv |= ICE_0_KEYINV << 7; 584 } 585 586 dont_care >>= 1; 587 nvr_mtch >>= 1; 588 valid >>= 1; 589 val >>= 1; 590 in_key >>= 1; 591 in_key_inv >>= 1; 592 } 593 594 return 0; 595 } 596 597 /** 598 * ice_bits_max_set - determine if the number of bits set is within a maximum 599 * @mask: pointer to the byte array which is the mask 600 * @size: the number of bytes in the mask 601 * @max: the max number of set bits 602 * 603 * This function determines if there are at most 'max' number of bits set in an 604 * array. Returns true if the number for bits set is <= max or will return false 605 * otherwise. 606 */ 607 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max) 608 { 609 u16 count = 0; 610 u16 i; 611 612 /* check each byte */ 613 for (i = 0; i < size; i++) { 614 /* if 0, go to next byte */ 615 if (!mask[i]) 616 continue; 617 618 /* We know there is at least one set bit in this byte because of 619 * the above check; if we already have found 'max' number of 620 * bits set, then we can return failure now. 621 */ 622 if (count == max) 623 return false; 624 625 /* count the bits in this byte, checking threshold */ 626 count += hweight8(mask[i]); 627 if (count > max) 628 return false; 629 } 630 631 return true; 632 } 633 634 /** 635 * ice_set_key - generate a variable sized key with multiples of 16-bits 636 * @key: pointer to where the key will be stored 637 * @size: the size of the complete key in bytes (must be even) 638 * @val: array of 8-bit values that makes up the value portion of the key 639 * @upd: array of 8-bit masks that determine what key portion to update 640 * @dc: array of 8-bit masks that make up the don't care mask 641 * @nm: array of 8-bit masks that make up the never match mask 642 * @off: the offset of the first byte in the key to update 643 * @len: the number of bytes in the key update 644 * 645 * This function generates a key from a value, a don't care mask and a never 646 * match mask. 647 * upd, dc, and nm are optional parameters, and can be NULL: 648 * upd == NULL --> upd mask is all 1's (update all bits) 649 * dc == NULL --> dc mask is all 0's (no don't care bits) 650 * nm == NULL --> nm mask is all 0's (no never match bits) 651 */ 652 static enum ice_status 653 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off, 654 u16 len) 655 { 656 u16 half_size; 657 u16 i; 658 659 /* size must be a multiple of 2 bytes. */ 660 if (size % 2) 661 return ICE_ERR_CFG; 662 663 half_size = size / 2; 664 if (off + len > half_size) 665 return ICE_ERR_CFG; 666 667 /* Make sure at most one bit is set in the never match mask. Having more 668 * than one never match mask bit set will cause HW to consume excessive 669 * power otherwise; this is a power management efficiency check. 670 */ 671 #define ICE_NVR_MTCH_BITS_MAX 1 672 if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX)) 673 return ICE_ERR_CFG; 674 675 for (i = 0; i < len; i++) 676 if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff, 677 dc ? dc[i] : 0, nm ? nm[i] : 0, 678 key + off + i, key + half_size + off + i)) 679 return ICE_ERR_CFG; 680 681 return 0; 682 } 683 684 /** 685 * ice_acquire_global_cfg_lock 686 * @hw: pointer to the HW structure 687 * @access: access type (read or write) 688 * 689 * This function will request ownership of the global config lock for reading 690 * or writing of the package. When attempting to obtain write access, the 691 * caller must check for the following two return values: 692 * 693 * ICE_SUCCESS - Means the caller has acquired the global config lock 694 * and can perform writing of the package. 695 * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the 696 * package or has found that no update was necessary; in 697 * this case, the caller can just skip performing any 698 * update of the package. 699 */ 700 static enum ice_status 701 ice_acquire_global_cfg_lock(struct ice_hw *hw, 702 enum ice_aq_res_access_type access) 703 { 704 enum ice_status status; 705 706 status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access, 707 ICE_GLOBAL_CFG_LOCK_TIMEOUT); 708 709 if (!status) 710 mutex_lock(&ice_global_cfg_lock_sw); 711 else if (status == ICE_ERR_AQ_NO_WORK) 712 ice_debug(hw, ICE_DBG_PKG, "Global config lock: No work to do\n"); 713 714 return status; 715 } 716 717 /** 718 * ice_release_global_cfg_lock 719 * @hw: pointer to the HW structure 720 * 721 * This function will release the global config lock. 722 */ 723 static void ice_release_global_cfg_lock(struct ice_hw *hw) 724 { 725 mutex_unlock(&ice_global_cfg_lock_sw); 726 ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID); 727 } 728 729 /** 730 * ice_acquire_change_lock 731 * @hw: pointer to the HW structure 732 * @access: access type (read or write) 733 * 734 * This function will request ownership of the change lock. 735 */ 736 static enum ice_status 737 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access) 738 { 739 return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access, 740 ICE_CHANGE_LOCK_TIMEOUT); 741 } 742 743 /** 744 * ice_release_change_lock 745 * @hw: pointer to the HW structure 746 * 747 * This function will release the change lock using the proper Admin Command. 748 */ 749 static void ice_release_change_lock(struct ice_hw *hw) 750 { 751 ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID); 752 } 753 754 /** 755 * ice_aq_download_pkg 756 * @hw: pointer to the hardware structure 757 * @pkg_buf: the package buffer to transfer 758 * @buf_size: the size of the package buffer 759 * @last_buf: last buffer indicator 760 * @error_offset: returns error offset 761 * @error_info: returns error information 762 * @cd: pointer to command details structure or NULL 763 * 764 * Download Package (0x0C40) 765 */ 766 static enum ice_status 767 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, 768 u16 buf_size, bool last_buf, u32 *error_offset, 769 u32 *error_info, struct ice_sq_cd *cd) 770 { 771 struct ice_aqc_download_pkg *cmd; 772 struct ice_aq_desc desc; 773 enum ice_status status; 774 775 if (error_offset) 776 *error_offset = 0; 777 if (error_info) 778 *error_info = 0; 779 780 cmd = &desc.params.download_pkg; 781 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg); 782 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); 783 784 if (last_buf) 785 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; 786 787 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 788 if (status == ICE_ERR_AQ_ERROR) { 789 /* Read error from buffer only when the FW returned an error */ 790 struct ice_aqc_download_pkg_resp *resp; 791 792 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; 793 if (error_offset) 794 *error_offset = le32_to_cpu(resp->error_offset); 795 if (error_info) 796 *error_info = le32_to_cpu(resp->error_info); 797 } 798 799 return status; 800 } 801 802 /** 803 * ice_aq_update_pkg 804 * @hw: pointer to the hardware structure 805 * @pkg_buf: the package cmd buffer 806 * @buf_size: the size of the package cmd buffer 807 * @last_buf: last buffer indicator 808 * @error_offset: returns error offset 809 * @error_info: returns error information 810 * @cd: pointer to command details structure or NULL 811 * 812 * Update Package (0x0C42) 813 */ 814 static enum ice_status 815 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size, 816 bool last_buf, u32 *error_offset, u32 *error_info, 817 struct ice_sq_cd *cd) 818 { 819 struct ice_aqc_download_pkg *cmd; 820 struct ice_aq_desc desc; 821 enum ice_status status; 822 823 if (error_offset) 824 *error_offset = 0; 825 if (error_info) 826 *error_info = 0; 827 828 cmd = &desc.params.download_pkg; 829 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg); 830 desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); 831 832 if (last_buf) 833 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; 834 835 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 836 if (status == ICE_ERR_AQ_ERROR) { 837 /* Read error from buffer only when the FW returned an error */ 838 struct ice_aqc_download_pkg_resp *resp; 839 840 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; 841 if (error_offset) 842 *error_offset = le32_to_cpu(resp->error_offset); 843 if (error_info) 844 *error_info = le32_to_cpu(resp->error_info); 845 } 846 847 return status; 848 } 849 850 /** 851 * ice_find_seg_in_pkg 852 * @hw: pointer to the hardware structure 853 * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK) 854 * @pkg_hdr: pointer to the package header to be searched 855 * 856 * This function searches a package file for a particular segment type. On 857 * success it returns a pointer to the segment header, otherwise it will 858 * return NULL. 859 */ 860 static struct ice_generic_seg_hdr * 861 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type, 862 struct ice_pkg_hdr *pkg_hdr) 863 { 864 u32 i; 865 866 ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n", 867 pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor, 868 pkg_hdr->pkg_format_ver.update, 869 pkg_hdr->pkg_format_ver.draft); 870 871 /* Search all package segments for the requested segment type */ 872 for (i = 0; i < le32_to_cpu(pkg_hdr->seg_count); i++) { 873 struct ice_generic_seg_hdr *seg; 874 875 seg = (struct ice_generic_seg_hdr *) 876 ((u8 *)pkg_hdr + le32_to_cpu(pkg_hdr->seg_offset[i])); 877 878 if (le32_to_cpu(seg->seg_type) == seg_type) 879 return seg; 880 } 881 882 return NULL; 883 } 884 885 /** 886 * ice_update_pkg 887 * @hw: pointer to the hardware structure 888 * @bufs: pointer to an array of buffers 889 * @count: the number of buffers in the array 890 * 891 * Obtains change lock and updates package. 892 */ 893 static enum ice_status 894 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 895 { 896 enum ice_status status; 897 u32 offset, info, i; 898 899 status = ice_acquire_change_lock(hw, ICE_RES_WRITE); 900 if (status) 901 return status; 902 903 for (i = 0; i < count; i++) { 904 struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i); 905 bool last = ((i + 1) == count); 906 907 status = ice_aq_update_pkg(hw, bh, le16_to_cpu(bh->data_end), 908 last, &offset, &info, NULL); 909 910 if (status) { 911 ice_debug(hw, ICE_DBG_PKG, "Update pkg failed: err %d off %d inf %d\n", 912 status, offset, info); 913 break; 914 } 915 } 916 917 ice_release_change_lock(hw); 918 919 return status; 920 } 921 922 /** 923 * ice_dwnld_cfg_bufs 924 * @hw: pointer to the hardware structure 925 * @bufs: pointer to an array of buffers 926 * @count: the number of buffers in the array 927 * 928 * Obtains global config lock and downloads the package configuration buffers 929 * to the firmware. Metadata buffers are skipped, and the first metadata buffer 930 * found indicates that the rest of the buffers are all metadata buffers. 931 */ 932 static enum ice_status 933 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 934 { 935 enum ice_status status; 936 struct ice_buf_hdr *bh; 937 u32 offset, info, i; 938 939 if (!bufs || !count) 940 return ICE_ERR_PARAM; 941 942 /* If the first buffer's first section has its metadata bit set 943 * then there are no buffers to be downloaded, and the operation is 944 * considered a success. 945 */ 946 bh = (struct ice_buf_hdr *)bufs; 947 if (le32_to_cpu(bh->section_entry[0].type) & ICE_METADATA_BUF) 948 return 0; 949 950 /* reset pkg_dwnld_status in case this function is called in the 951 * reset/rebuild flow 952 */ 953 hw->pkg_dwnld_status = ICE_AQ_RC_OK; 954 955 status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE); 956 if (status) { 957 if (status == ICE_ERR_AQ_NO_WORK) 958 hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST; 959 else 960 hw->pkg_dwnld_status = hw->adminq.sq_last_status; 961 return status; 962 } 963 964 for (i = 0; i < count; i++) { 965 bool last = ((i + 1) == count); 966 967 if (!last) { 968 /* check next buffer for metadata flag */ 969 bh = (struct ice_buf_hdr *)(bufs + i + 1); 970 971 /* A set metadata flag in the next buffer will signal 972 * that the current buffer will be the last buffer 973 * downloaded 974 */ 975 if (le16_to_cpu(bh->section_count)) 976 if (le32_to_cpu(bh->section_entry[0].type) & 977 ICE_METADATA_BUF) 978 last = true; 979 } 980 981 bh = (struct ice_buf_hdr *)(bufs + i); 982 983 status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last, 984 &offset, &info, NULL); 985 986 /* Save AQ status from download package */ 987 hw->pkg_dwnld_status = hw->adminq.sq_last_status; 988 if (status) { 989 ice_debug(hw, ICE_DBG_PKG, "Pkg download failed: err %d off %d inf %d\n", 990 status, offset, info); 991 992 break; 993 } 994 995 if (last) 996 break; 997 } 998 999 ice_release_global_cfg_lock(hw); 1000 1001 return status; 1002 } 1003 1004 /** 1005 * ice_aq_get_pkg_info_list 1006 * @hw: pointer to the hardware structure 1007 * @pkg_info: the buffer which will receive the information list 1008 * @buf_size: the size of the pkg_info information buffer 1009 * @cd: pointer to command details structure or NULL 1010 * 1011 * Get Package Info List (0x0C43) 1012 */ 1013 static enum ice_status 1014 ice_aq_get_pkg_info_list(struct ice_hw *hw, 1015 struct ice_aqc_get_pkg_info_resp *pkg_info, 1016 u16 buf_size, struct ice_sq_cd *cd) 1017 { 1018 struct ice_aq_desc desc; 1019 1020 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list); 1021 1022 return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd); 1023 } 1024 1025 /** 1026 * ice_download_pkg 1027 * @hw: pointer to the hardware structure 1028 * @ice_seg: pointer to the segment of the package to be downloaded 1029 * 1030 * Handles the download of a complete package. 1031 */ 1032 static enum ice_status 1033 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg) 1034 { 1035 struct ice_buf_table *ice_buf_tbl; 1036 1037 ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n", 1038 ice_seg->hdr.seg_format_ver.major, 1039 ice_seg->hdr.seg_format_ver.minor, 1040 ice_seg->hdr.seg_format_ver.update, 1041 ice_seg->hdr.seg_format_ver.draft); 1042 1043 ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n", 1044 le32_to_cpu(ice_seg->hdr.seg_type), 1045 le32_to_cpu(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id); 1046 1047 ice_buf_tbl = ice_find_buf_table(ice_seg); 1048 1049 ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n", 1050 le32_to_cpu(ice_buf_tbl->buf_count)); 1051 1052 return ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array, 1053 le32_to_cpu(ice_buf_tbl->buf_count)); 1054 } 1055 1056 /** 1057 * ice_init_pkg_info 1058 * @hw: pointer to the hardware structure 1059 * @pkg_hdr: pointer to the driver's package hdr 1060 * 1061 * Saves off the package details into the HW structure. 1062 */ 1063 static enum ice_status 1064 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr) 1065 { 1066 struct ice_global_metadata_seg *meta_seg; 1067 struct ice_generic_seg_hdr *seg_hdr; 1068 1069 if (!pkg_hdr) 1070 return ICE_ERR_PARAM; 1071 1072 meta_seg = (struct ice_global_metadata_seg *) 1073 ice_find_seg_in_pkg(hw, SEGMENT_TYPE_METADATA, pkg_hdr); 1074 if (meta_seg) { 1075 hw->pkg_ver = meta_seg->pkg_ver; 1076 memcpy(hw->pkg_name, meta_seg->pkg_name, sizeof(hw->pkg_name)); 1077 1078 ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n", 1079 meta_seg->pkg_ver.major, meta_seg->pkg_ver.minor, 1080 meta_seg->pkg_ver.update, meta_seg->pkg_ver.draft, 1081 meta_seg->pkg_name); 1082 } else { 1083 ice_debug(hw, ICE_DBG_INIT, "Did not find metadata segment in driver package\n"); 1084 return ICE_ERR_CFG; 1085 } 1086 1087 seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr); 1088 if (seg_hdr) { 1089 hw->ice_pkg_ver = seg_hdr->seg_format_ver; 1090 memcpy(hw->ice_pkg_name, seg_hdr->seg_id, 1091 sizeof(hw->ice_pkg_name)); 1092 1093 ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n", 1094 seg_hdr->seg_format_ver.major, 1095 seg_hdr->seg_format_ver.minor, 1096 seg_hdr->seg_format_ver.update, 1097 seg_hdr->seg_format_ver.draft, 1098 seg_hdr->seg_id); 1099 } else { 1100 ice_debug(hw, ICE_DBG_INIT, "Did not find ice segment in driver package\n"); 1101 return ICE_ERR_CFG; 1102 } 1103 1104 return 0; 1105 } 1106 1107 /** 1108 * ice_get_pkg_info 1109 * @hw: pointer to the hardware structure 1110 * 1111 * Store details of the package currently loaded in HW into the HW structure. 1112 */ 1113 static enum ice_status ice_get_pkg_info(struct ice_hw *hw) 1114 { 1115 struct ice_aqc_get_pkg_info_resp *pkg_info; 1116 enum ice_status status; 1117 u16 size; 1118 u32 i; 1119 1120 size = struct_size(pkg_info, pkg_info, ICE_PKG_CNT); 1121 pkg_info = kzalloc(size, GFP_KERNEL); 1122 if (!pkg_info) 1123 return ICE_ERR_NO_MEMORY; 1124 1125 status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL); 1126 if (status) 1127 goto init_pkg_free_alloc; 1128 1129 for (i = 0; i < le32_to_cpu(pkg_info->count); i++) { 1130 #define ICE_PKG_FLAG_COUNT 4 1131 char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 }; 1132 u8 place = 0; 1133 1134 if (pkg_info->pkg_info[i].is_active) { 1135 flags[place++] = 'A'; 1136 hw->active_pkg_ver = pkg_info->pkg_info[i].ver; 1137 hw->active_track_id = 1138 le32_to_cpu(pkg_info->pkg_info[i].track_id); 1139 memcpy(hw->active_pkg_name, 1140 pkg_info->pkg_info[i].name, 1141 sizeof(pkg_info->pkg_info[i].name)); 1142 hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm; 1143 } 1144 if (pkg_info->pkg_info[i].is_active_at_boot) 1145 flags[place++] = 'B'; 1146 if (pkg_info->pkg_info[i].is_modified) 1147 flags[place++] = 'M'; 1148 if (pkg_info->pkg_info[i].is_in_nvm) 1149 flags[place++] = 'N'; 1150 1151 ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n", 1152 i, pkg_info->pkg_info[i].ver.major, 1153 pkg_info->pkg_info[i].ver.minor, 1154 pkg_info->pkg_info[i].ver.update, 1155 pkg_info->pkg_info[i].ver.draft, 1156 pkg_info->pkg_info[i].name, flags); 1157 } 1158 1159 init_pkg_free_alloc: 1160 kfree(pkg_info); 1161 1162 return status; 1163 } 1164 1165 /** 1166 * ice_verify_pkg - verify package 1167 * @pkg: pointer to the package buffer 1168 * @len: size of the package buffer 1169 * 1170 * Verifies various attributes of the package file, including length, format 1171 * version, and the requirement of at least one segment. 1172 */ 1173 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len) 1174 { 1175 u32 seg_count; 1176 u32 i; 1177 1178 if (len < struct_size(pkg, seg_offset, 1)) 1179 return ICE_ERR_BUF_TOO_SHORT; 1180 1181 if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ || 1182 pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR || 1183 pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD || 1184 pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT) 1185 return ICE_ERR_CFG; 1186 1187 /* pkg must have at least one segment */ 1188 seg_count = le32_to_cpu(pkg->seg_count); 1189 if (seg_count < 1) 1190 return ICE_ERR_CFG; 1191 1192 /* make sure segment array fits in package length */ 1193 if (len < struct_size(pkg, seg_offset, seg_count)) 1194 return ICE_ERR_BUF_TOO_SHORT; 1195 1196 /* all segments must fit within length */ 1197 for (i = 0; i < seg_count; i++) { 1198 u32 off = le32_to_cpu(pkg->seg_offset[i]); 1199 struct ice_generic_seg_hdr *seg; 1200 1201 /* segment header must fit */ 1202 if (len < off + sizeof(*seg)) 1203 return ICE_ERR_BUF_TOO_SHORT; 1204 1205 seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off); 1206 1207 /* segment body must fit */ 1208 if (len < off + le32_to_cpu(seg->seg_size)) 1209 return ICE_ERR_BUF_TOO_SHORT; 1210 } 1211 1212 return 0; 1213 } 1214 1215 /** 1216 * ice_free_seg - free package segment pointer 1217 * @hw: pointer to the hardware structure 1218 * 1219 * Frees the package segment pointer in the proper manner, depending on if the 1220 * segment was allocated or just the passed in pointer was stored. 1221 */ 1222 void ice_free_seg(struct ice_hw *hw) 1223 { 1224 if (hw->pkg_copy) { 1225 devm_kfree(ice_hw_to_dev(hw), hw->pkg_copy); 1226 hw->pkg_copy = NULL; 1227 hw->pkg_size = 0; 1228 } 1229 hw->seg = NULL; 1230 } 1231 1232 /** 1233 * ice_init_pkg_regs - initialize additional package registers 1234 * @hw: pointer to the hardware structure 1235 */ 1236 static void ice_init_pkg_regs(struct ice_hw *hw) 1237 { 1238 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF 1239 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF 1240 #define ICE_SW_BLK_IDX 0 1241 1242 /* setup Switch block input mask, which is 48-bits in two parts */ 1243 wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L); 1244 wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H); 1245 } 1246 1247 /** 1248 * ice_chk_pkg_version - check package version for compatibility with driver 1249 * @pkg_ver: pointer to a version structure to check 1250 * 1251 * Check to make sure that the package about to be downloaded is compatible with 1252 * the driver. To be compatible, the major and minor components of the package 1253 * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR 1254 * definitions. 1255 */ 1256 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver) 1257 { 1258 if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ || 1259 pkg_ver->minor != ICE_PKG_SUPP_VER_MNR) 1260 return ICE_ERR_NOT_SUPPORTED; 1261 1262 return 0; 1263 } 1264 1265 /** 1266 * ice_chk_pkg_compat 1267 * @hw: pointer to the hardware structure 1268 * @ospkg: pointer to the package hdr 1269 * @seg: pointer to the package segment hdr 1270 * 1271 * This function checks the package version compatibility with driver and NVM 1272 */ 1273 static enum ice_status 1274 ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg, 1275 struct ice_seg **seg) 1276 { 1277 struct ice_aqc_get_pkg_info_resp *pkg; 1278 enum ice_status status; 1279 u16 size; 1280 u32 i; 1281 1282 /* Check package version compatibility */ 1283 status = ice_chk_pkg_version(&hw->pkg_ver); 1284 if (status) { 1285 ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n"); 1286 return status; 1287 } 1288 1289 /* find ICE segment in given package */ 1290 *seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, 1291 ospkg); 1292 if (!*seg) { 1293 ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n"); 1294 return ICE_ERR_CFG; 1295 } 1296 1297 /* Check if FW is compatible with the OS package */ 1298 size = struct_size(pkg, pkg_info, ICE_PKG_CNT); 1299 pkg = kzalloc(size, GFP_KERNEL); 1300 if (!pkg) 1301 return ICE_ERR_NO_MEMORY; 1302 1303 status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL); 1304 if (status) 1305 goto fw_ddp_compat_free_alloc; 1306 1307 for (i = 0; i < le32_to_cpu(pkg->count); i++) { 1308 /* loop till we find the NVM package */ 1309 if (!pkg->pkg_info[i].is_in_nvm) 1310 continue; 1311 if ((*seg)->hdr.seg_format_ver.major != 1312 pkg->pkg_info[i].ver.major || 1313 (*seg)->hdr.seg_format_ver.minor > 1314 pkg->pkg_info[i].ver.minor) { 1315 status = ICE_ERR_FW_DDP_MISMATCH; 1316 ice_debug(hw, ICE_DBG_INIT, "OS package is not compatible with NVM.\n"); 1317 } 1318 /* done processing NVM package so break */ 1319 break; 1320 } 1321 fw_ddp_compat_free_alloc: 1322 kfree(pkg); 1323 return status; 1324 } 1325 1326 /** 1327 * ice_init_pkg - initialize/download package 1328 * @hw: pointer to the hardware structure 1329 * @buf: pointer to the package buffer 1330 * @len: size of the package buffer 1331 * 1332 * This function initializes a package. The package contains HW tables 1333 * required to do packet processing. First, the function extracts package 1334 * information such as version. Then it finds the ice configuration segment 1335 * within the package; this function then saves a copy of the segment pointer 1336 * within the supplied package buffer. Next, the function will cache any hints 1337 * from the package, followed by downloading the package itself. Note, that if 1338 * a previous PF driver has already downloaded the package successfully, then 1339 * the current driver will not have to download the package again. 1340 * 1341 * The local package contents will be used to query default behavior and to 1342 * update specific sections of the HW's version of the package (e.g. to update 1343 * the parse graph to understand new protocols). 1344 * 1345 * This function stores a pointer to the package buffer memory, and it is 1346 * expected that the supplied buffer will not be freed immediately. If the 1347 * package buffer needs to be freed, such as when read from a file, use 1348 * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this 1349 * case. 1350 */ 1351 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len) 1352 { 1353 struct ice_pkg_hdr *pkg; 1354 enum ice_status status; 1355 struct ice_seg *seg; 1356 1357 if (!buf || !len) 1358 return ICE_ERR_PARAM; 1359 1360 pkg = (struct ice_pkg_hdr *)buf; 1361 status = ice_verify_pkg(pkg, len); 1362 if (status) { 1363 ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n", 1364 status); 1365 return status; 1366 } 1367 1368 /* initialize package info */ 1369 status = ice_init_pkg_info(hw, pkg); 1370 if (status) 1371 return status; 1372 1373 /* before downloading the package, check package version for 1374 * compatibility with driver 1375 */ 1376 status = ice_chk_pkg_compat(hw, pkg, &seg); 1377 if (status) 1378 return status; 1379 1380 /* initialize package hints and then download package */ 1381 ice_init_pkg_hints(hw, seg); 1382 status = ice_download_pkg(hw, seg); 1383 if (status == ICE_ERR_AQ_NO_WORK) { 1384 ice_debug(hw, ICE_DBG_INIT, "package previously loaded - no work.\n"); 1385 status = 0; 1386 } 1387 1388 /* Get information on the package currently loaded in HW, then make sure 1389 * the driver is compatible with this version. 1390 */ 1391 if (!status) { 1392 status = ice_get_pkg_info(hw); 1393 if (!status) 1394 status = ice_chk_pkg_version(&hw->active_pkg_ver); 1395 } 1396 1397 if (!status) { 1398 hw->seg = seg; 1399 /* on successful package download update other required 1400 * registers to support the package and fill HW tables 1401 * with package content. 1402 */ 1403 ice_init_pkg_regs(hw); 1404 ice_fill_blk_tbls(hw); 1405 } else { 1406 ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n", 1407 status); 1408 } 1409 1410 return status; 1411 } 1412 1413 /** 1414 * ice_copy_and_init_pkg - initialize/download a copy of the package 1415 * @hw: pointer to the hardware structure 1416 * @buf: pointer to the package buffer 1417 * @len: size of the package buffer 1418 * 1419 * This function copies the package buffer, and then calls ice_init_pkg() to 1420 * initialize the copied package contents. 1421 * 1422 * The copying is necessary if the package buffer supplied is constant, or if 1423 * the memory may disappear shortly after calling this function. 1424 * 1425 * If the package buffer resides in the data segment and can be modified, the 1426 * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg(). 1427 * 1428 * However, if the package buffer needs to be copied first, such as when being 1429 * read from a file, the caller should use ice_copy_and_init_pkg(). 1430 * 1431 * This function will first copy the package buffer, before calling 1432 * ice_init_pkg(). The caller is free to immediately destroy the original 1433 * package buffer, as the new copy will be managed by this function and 1434 * related routines. 1435 */ 1436 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len) 1437 { 1438 enum ice_status status; 1439 u8 *buf_copy; 1440 1441 if (!buf || !len) 1442 return ICE_ERR_PARAM; 1443 1444 buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL); 1445 1446 status = ice_init_pkg(hw, buf_copy, len); 1447 if (status) { 1448 /* Free the copy, since we failed to initialize the package */ 1449 devm_kfree(ice_hw_to_dev(hw), buf_copy); 1450 } else { 1451 /* Track the copied pkg so we can free it later */ 1452 hw->pkg_copy = buf_copy; 1453 hw->pkg_size = len; 1454 } 1455 1456 return status; 1457 } 1458 1459 /** 1460 * ice_pkg_buf_alloc 1461 * @hw: pointer to the HW structure 1462 * 1463 * Allocates a package buffer and returns a pointer to the buffer header. 1464 * Note: all package contents must be in Little Endian form. 1465 */ 1466 static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw) 1467 { 1468 struct ice_buf_build *bld; 1469 struct ice_buf_hdr *buf; 1470 1471 bld = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*bld), GFP_KERNEL); 1472 if (!bld) 1473 return NULL; 1474 1475 buf = (struct ice_buf_hdr *)bld; 1476 buf->data_end = cpu_to_le16(offsetof(struct ice_buf_hdr, 1477 section_entry)); 1478 return bld; 1479 } 1480 1481 /** 1482 * ice_pkg_buf_free 1483 * @hw: pointer to the HW structure 1484 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1485 * 1486 * Frees a package buffer 1487 */ 1488 static void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld) 1489 { 1490 devm_kfree(ice_hw_to_dev(hw), bld); 1491 } 1492 1493 /** 1494 * ice_pkg_buf_reserve_section 1495 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1496 * @count: the number of sections to reserve 1497 * 1498 * Reserves one or more section table entries in a package buffer. This routine 1499 * can be called multiple times as long as they are made before calling 1500 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section() 1501 * is called once, the number of sections that can be allocated will not be able 1502 * to be increased; not using all reserved sections is fine, but this will 1503 * result in some wasted space in the buffer. 1504 * Note: all package contents must be in Little Endian form. 1505 */ 1506 static enum ice_status 1507 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count) 1508 { 1509 struct ice_buf_hdr *buf; 1510 u16 section_count; 1511 u16 data_end; 1512 1513 if (!bld) 1514 return ICE_ERR_PARAM; 1515 1516 buf = (struct ice_buf_hdr *)&bld->buf; 1517 1518 /* already an active section, can't increase table size */ 1519 section_count = le16_to_cpu(buf->section_count); 1520 if (section_count > 0) 1521 return ICE_ERR_CFG; 1522 1523 if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT) 1524 return ICE_ERR_CFG; 1525 bld->reserved_section_table_entries += count; 1526 1527 data_end = le16_to_cpu(buf->data_end) + 1528 flex_array_size(buf, section_entry, count); 1529 buf->data_end = cpu_to_le16(data_end); 1530 1531 return 0; 1532 } 1533 1534 /** 1535 * ice_pkg_buf_alloc_section 1536 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1537 * @type: the section type value 1538 * @size: the size of the section to reserve (in bytes) 1539 * 1540 * Reserves memory in the buffer for a section's content and updates the 1541 * buffers' status accordingly. This routine returns a pointer to the first 1542 * byte of the section start within the buffer, which is used to fill in the 1543 * section contents. 1544 * Note: all package contents must be in Little Endian form. 1545 */ 1546 static void * 1547 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size) 1548 { 1549 struct ice_buf_hdr *buf; 1550 u16 sect_count; 1551 u16 data_end; 1552 1553 if (!bld || !type || !size) 1554 return NULL; 1555 1556 buf = (struct ice_buf_hdr *)&bld->buf; 1557 1558 /* check for enough space left in buffer */ 1559 data_end = le16_to_cpu(buf->data_end); 1560 1561 /* section start must align on 4 byte boundary */ 1562 data_end = ALIGN(data_end, 4); 1563 1564 if ((data_end + size) > ICE_MAX_S_DATA_END) 1565 return NULL; 1566 1567 /* check for more available section table entries */ 1568 sect_count = le16_to_cpu(buf->section_count); 1569 if (sect_count < bld->reserved_section_table_entries) { 1570 void *section_ptr = ((u8 *)buf) + data_end; 1571 1572 buf->section_entry[sect_count].offset = cpu_to_le16(data_end); 1573 buf->section_entry[sect_count].size = cpu_to_le16(size); 1574 buf->section_entry[sect_count].type = cpu_to_le32(type); 1575 1576 data_end += size; 1577 buf->data_end = cpu_to_le16(data_end); 1578 1579 buf->section_count = cpu_to_le16(sect_count + 1); 1580 return section_ptr; 1581 } 1582 1583 /* no free section table entries */ 1584 return NULL; 1585 } 1586 1587 /** 1588 * ice_pkg_buf_get_active_sections 1589 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1590 * 1591 * Returns the number of active sections. Before using the package buffer 1592 * in an update package command, the caller should make sure that there is at 1593 * least one active section - otherwise, the buffer is not legal and should 1594 * not be used. 1595 * Note: all package contents must be in Little Endian form. 1596 */ 1597 static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld) 1598 { 1599 struct ice_buf_hdr *buf; 1600 1601 if (!bld) 1602 return 0; 1603 1604 buf = (struct ice_buf_hdr *)&bld->buf; 1605 return le16_to_cpu(buf->section_count); 1606 } 1607 1608 /** 1609 * ice_pkg_buf 1610 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1611 * 1612 * Return a pointer to the buffer's header 1613 */ 1614 static struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld) 1615 { 1616 if (!bld) 1617 return NULL; 1618 1619 return &bld->buf; 1620 } 1621 1622 /** 1623 * ice_get_open_tunnel_port - retrieve an open tunnel port 1624 * @hw: pointer to the HW structure 1625 * @port: returns open port 1626 */ 1627 bool 1628 ice_get_open_tunnel_port(struct ice_hw *hw, u16 *port) 1629 { 1630 bool res = false; 1631 u16 i; 1632 1633 mutex_lock(&hw->tnl_lock); 1634 1635 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 1636 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].port) { 1637 *port = hw->tnl.tbl[i].port; 1638 res = true; 1639 break; 1640 } 1641 1642 mutex_unlock(&hw->tnl_lock); 1643 1644 return res; 1645 } 1646 1647 /** 1648 * ice_tunnel_idx_to_entry - convert linear index to the sparse one 1649 * @hw: pointer to the HW structure 1650 * @type: type of tunnel 1651 * @idx: linear index 1652 * 1653 * Stack assumes we have 2 linear tables with indexes [0, count_valid), 1654 * but really the port table may be sprase, and types are mixed, so convert 1655 * the stack index into the device index. 1656 */ 1657 static u16 ice_tunnel_idx_to_entry(struct ice_hw *hw, enum ice_tunnel_type type, 1658 u16 idx) 1659 { 1660 u16 i; 1661 1662 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 1663 if (hw->tnl.tbl[i].valid && 1664 hw->tnl.tbl[i].type == type && 1665 idx--) 1666 return i; 1667 1668 WARN_ON_ONCE(1); 1669 return 0; 1670 } 1671 1672 /** 1673 * ice_create_tunnel 1674 * @hw: pointer to the HW structure 1675 * @index: device table entry 1676 * @type: type of tunnel 1677 * @port: port of tunnel to create 1678 * 1679 * Create a tunnel by updating the parse graph in the parser. We do that by 1680 * creating a package buffer with the tunnel info and issuing an update package 1681 * command. 1682 */ 1683 static enum ice_status 1684 ice_create_tunnel(struct ice_hw *hw, u16 index, 1685 enum ice_tunnel_type type, u16 port) 1686 { 1687 struct ice_boost_tcam_section *sect_rx, *sect_tx; 1688 enum ice_status status = ICE_ERR_MAX_LIMIT; 1689 struct ice_buf_build *bld; 1690 1691 mutex_lock(&hw->tnl_lock); 1692 1693 bld = ice_pkg_buf_alloc(hw); 1694 if (!bld) { 1695 status = ICE_ERR_NO_MEMORY; 1696 goto ice_create_tunnel_end; 1697 } 1698 1699 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 1700 if (ice_pkg_buf_reserve_section(bld, 2)) 1701 goto ice_create_tunnel_err; 1702 1703 sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 1704 struct_size(sect_rx, tcam, 1)); 1705 if (!sect_rx) 1706 goto ice_create_tunnel_err; 1707 sect_rx->count = cpu_to_le16(1); 1708 1709 sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 1710 struct_size(sect_tx, tcam, 1)); 1711 if (!sect_tx) 1712 goto ice_create_tunnel_err; 1713 sect_tx->count = cpu_to_le16(1); 1714 1715 /* copy original boost entry to update package buffer */ 1716 memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry, 1717 sizeof(*sect_rx->tcam)); 1718 1719 /* over-write the never-match dest port key bits with the encoded port 1720 * bits 1721 */ 1722 ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key), 1723 (u8 *)&port, NULL, NULL, NULL, 1724 (u16)offsetof(struct ice_boost_key_value, hv_dst_port_key), 1725 sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key)); 1726 1727 /* exact copy of entry to Tx section entry */ 1728 memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam)); 1729 1730 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); 1731 if (!status) 1732 hw->tnl.tbl[index].port = port; 1733 1734 ice_create_tunnel_err: 1735 ice_pkg_buf_free(hw, bld); 1736 1737 ice_create_tunnel_end: 1738 mutex_unlock(&hw->tnl_lock); 1739 1740 return status; 1741 } 1742 1743 /** 1744 * ice_destroy_tunnel 1745 * @hw: pointer to the HW structure 1746 * @index: device table entry 1747 * @type: type of tunnel 1748 * @port: port of tunnel to destroy (ignored if the all parameter is true) 1749 * 1750 * Destroys a tunnel or all tunnels by creating an update package buffer 1751 * targeting the specific updates requested and then performing an update 1752 * package. 1753 */ 1754 static enum ice_status 1755 ice_destroy_tunnel(struct ice_hw *hw, u16 index, enum ice_tunnel_type type, 1756 u16 port) 1757 { 1758 struct ice_boost_tcam_section *sect_rx, *sect_tx; 1759 enum ice_status status = ICE_ERR_MAX_LIMIT; 1760 struct ice_buf_build *bld; 1761 1762 mutex_lock(&hw->tnl_lock); 1763 1764 if (WARN_ON(!hw->tnl.tbl[index].valid || 1765 hw->tnl.tbl[index].type != type || 1766 hw->tnl.tbl[index].port != port)) { 1767 status = ICE_ERR_OUT_OF_RANGE; 1768 goto ice_destroy_tunnel_end; 1769 } 1770 1771 bld = ice_pkg_buf_alloc(hw); 1772 if (!bld) { 1773 status = ICE_ERR_NO_MEMORY; 1774 goto ice_destroy_tunnel_end; 1775 } 1776 1777 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 1778 if (ice_pkg_buf_reserve_section(bld, 2)) 1779 goto ice_destroy_tunnel_err; 1780 1781 sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 1782 struct_size(sect_rx, tcam, 1)); 1783 if (!sect_rx) 1784 goto ice_destroy_tunnel_err; 1785 sect_rx->count = cpu_to_le16(1); 1786 1787 sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 1788 struct_size(sect_tx, tcam, 1)); 1789 if (!sect_tx) 1790 goto ice_destroy_tunnel_err; 1791 sect_tx->count = cpu_to_le16(1); 1792 1793 /* copy original boost entry to update package buffer, one copy to Rx 1794 * section, another copy to the Tx section 1795 */ 1796 memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry, 1797 sizeof(*sect_rx->tcam)); 1798 memcpy(sect_tx->tcam, hw->tnl.tbl[index].boost_entry, 1799 sizeof(*sect_tx->tcam)); 1800 1801 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); 1802 if (!status) 1803 hw->tnl.tbl[index].port = 0; 1804 1805 ice_destroy_tunnel_err: 1806 ice_pkg_buf_free(hw, bld); 1807 1808 ice_destroy_tunnel_end: 1809 mutex_unlock(&hw->tnl_lock); 1810 1811 return status; 1812 } 1813 1814 int ice_udp_tunnel_set_port(struct net_device *netdev, unsigned int table, 1815 unsigned int idx, struct udp_tunnel_info *ti) 1816 { 1817 struct ice_netdev_priv *np = netdev_priv(netdev); 1818 struct ice_vsi *vsi = np->vsi; 1819 struct ice_pf *pf = vsi->back; 1820 enum ice_tunnel_type tnl_type; 1821 enum ice_status status; 1822 u16 index; 1823 1824 tnl_type = ti->type == UDP_TUNNEL_TYPE_VXLAN ? TNL_VXLAN : TNL_GENEVE; 1825 index = ice_tunnel_idx_to_entry(&pf->hw, idx, tnl_type); 1826 1827 status = ice_create_tunnel(&pf->hw, index, tnl_type, ntohs(ti->port)); 1828 if (status) { 1829 netdev_err(netdev, "Error adding UDP tunnel - %s\n", 1830 ice_stat_str(status)); 1831 return -EIO; 1832 } 1833 1834 udp_tunnel_nic_set_port_priv(netdev, table, idx, index); 1835 return 0; 1836 } 1837 1838 int ice_udp_tunnel_unset_port(struct net_device *netdev, unsigned int table, 1839 unsigned int idx, struct udp_tunnel_info *ti) 1840 { 1841 struct ice_netdev_priv *np = netdev_priv(netdev); 1842 struct ice_vsi *vsi = np->vsi; 1843 struct ice_pf *pf = vsi->back; 1844 enum ice_tunnel_type tnl_type; 1845 enum ice_status status; 1846 1847 tnl_type = ti->type == UDP_TUNNEL_TYPE_VXLAN ? TNL_VXLAN : TNL_GENEVE; 1848 1849 status = ice_destroy_tunnel(&pf->hw, ti->hw_priv, tnl_type, 1850 ntohs(ti->port)); 1851 if (status) { 1852 netdev_err(netdev, "Error removing UDP tunnel - %s\n", 1853 ice_stat_str(status)); 1854 return -EIO; 1855 } 1856 1857 return 0; 1858 } 1859 1860 /* PTG Management */ 1861 1862 /** 1863 * ice_ptg_find_ptype - Search for packet type group using packet type (ptype) 1864 * @hw: pointer to the hardware structure 1865 * @blk: HW block 1866 * @ptype: the ptype to search for 1867 * @ptg: pointer to variable that receives the PTG 1868 * 1869 * This function will search the PTGs for a particular ptype, returning the 1870 * PTG ID that contains it through the PTG parameter, with the value of 1871 * ICE_DEFAULT_PTG (0) meaning it is part the default PTG. 1872 */ 1873 static enum ice_status 1874 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg) 1875 { 1876 if (ptype >= ICE_XLT1_CNT || !ptg) 1877 return ICE_ERR_PARAM; 1878 1879 *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg; 1880 return 0; 1881 } 1882 1883 /** 1884 * ice_ptg_alloc_val - Allocates a new packet type group ID by value 1885 * @hw: pointer to the hardware structure 1886 * @blk: HW block 1887 * @ptg: the PTG to allocate 1888 * 1889 * This function allocates a given packet type group ID specified by the PTG 1890 * parameter. 1891 */ 1892 static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg) 1893 { 1894 hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true; 1895 } 1896 1897 /** 1898 * ice_ptg_remove_ptype - Removes ptype from a particular packet type group 1899 * @hw: pointer to the hardware structure 1900 * @blk: HW block 1901 * @ptype: the ptype to remove 1902 * @ptg: the PTG to remove the ptype from 1903 * 1904 * This function will remove the ptype from the specific PTG, and move it to 1905 * the default PTG (ICE_DEFAULT_PTG). 1906 */ 1907 static enum ice_status 1908 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) 1909 { 1910 struct ice_ptg_ptype **ch; 1911 struct ice_ptg_ptype *p; 1912 1913 if (ptype > ICE_XLT1_CNT - 1) 1914 return ICE_ERR_PARAM; 1915 1916 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use) 1917 return ICE_ERR_DOES_NOT_EXIST; 1918 1919 /* Should not happen if .in_use is set, bad config */ 1920 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype) 1921 return ICE_ERR_CFG; 1922 1923 /* find the ptype within this PTG, and bypass the link over it */ 1924 p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 1925 ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 1926 while (p) { 1927 if (ptype == (p - hw->blk[blk].xlt1.ptypes)) { 1928 *ch = p->next_ptype; 1929 break; 1930 } 1931 1932 ch = &p->next_ptype; 1933 p = p->next_ptype; 1934 } 1935 1936 hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG; 1937 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL; 1938 1939 return 0; 1940 } 1941 1942 /** 1943 * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group 1944 * @hw: pointer to the hardware structure 1945 * @blk: HW block 1946 * @ptype: the ptype to add or move 1947 * @ptg: the PTG to add or move the ptype to 1948 * 1949 * This function will either add or move a ptype to a particular PTG depending 1950 * on if the ptype is already part of another group. Note that using a 1951 * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the 1952 * default PTG. 1953 */ 1954 static enum ice_status 1955 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) 1956 { 1957 enum ice_status status; 1958 u8 original_ptg; 1959 1960 if (ptype > ICE_XLT1_CNT - 1) 1961 return ICE_ERR_PARAM; 1962 1963 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG) 1964 return ICE_ERR_DOES_NOT_EXIST; 1965 1966 status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg); 1967 if (status) 1968 return status; 1969 1970 /* Is ptype already in the correct PTG? */ 1971 if (original_ptg == ptg) 1972 return 0; 1973 1974 /* Remove from original PTG and move back to the default PTG */ 1975 if (original_ptg != ICE_DEFAULT_PTG) 1976 ice_ptg_remove_ptype(hw, blk, ptype, original_ptg); 1977 1978 /* Moving to default PTG? Then we're done with this request */ 1979 if (ptg == ICE_DEFAULT_PTG) 1980 return 0; 1981 1982 /* Add ptype to PTG at beginning of list */ 1983 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = 1984 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 1985 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype = 1986 &hw->blk[blk].xlt1.ptypes[ptype]; 1987 1988 hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg; 1989 hw->blk[blk].xlt1.t[ptype] = ptg; 1990 1991 return 0; 1992 } 1993 1994 /* Block / table size info */ 1995 struct ice_blk_size_details { 1996 u16 xlt1; /* # XLT1 entries */ 1997 u16 xlt2; /* # XLT2 entries */ 1998 u16 prof_tcam; /* # profile ID TCAM entries */ 1999 u16 prof_id; /* # profile IDs */ 2000 u8 prof_cdid_bits; /* # CDID one-hot bits used in key */ 2001 u16 prof_redir; /* # profile redirection entries */ 2002 u16 es; /* # extraction sequence entries */ 2003 u16 fvw; /* # field vector words */ 2004 u8 overwrite; /* overwrite existing entries allowed */ 2005 u8 reverse; /* reverse FV order */ 2006 }; 2007 2008 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = { 2009 /** 2010 * Table Definitions 2011 * XLT1 - Number of entries in XLT1 table 2012 * XLT2 - Number of entries in XLT2 table 2013 * TCAM - Number of entries Profile ID TCAM table 2014 * CDID - Control Domain ID of the hardware block 2015 * PRED - Number of entries in the Profile Redirection Table 2016 * FV - Number of entries in the Field Vector 2017 * FVW - Width (in WORDs) of the Field Vector 2018 * OVR - Overwrite existing table entries 2019 * REV - Reverse FV 2020 */ 2021 /* XLT1 , XLT2 ,TCAM, PID,CDID,PRED, FV, FVW */ 2022 /* Overwrite , Reverse FV */ 2023 /* SW */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256, 0, 256, 256, 48, 2024 false, false }, 2025 /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 32, 2026 false, false }, 2027 /* FD */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24, 2028 false, true }, 2029 /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24, 2030 true, true }, 2031 /* PE */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 64, 32, 0, 32, 32, 24, 2032 false, false }, 2033 }; 2034 2035 enum ice_sid_all { 2036 ICE_SID_XLT1_OFF = 0, 2037 ICE_SID_XLT2_OFF, 2038 ICE_SID_PR_OFF, 2039 ICE_SID_PR_REDIR_OFF, 2040 ICE_SID_ES_OFF, 2041 ICE_SID_OFF_COUNT, 2042 }; 2043 2044 /* Characteristic handling */ 2045 2046 /** 2047 * ice_match_prop_lst - determine if properties of two lists match 2048 * @list1: first properties list 2049 * @list2: second properties list 2050 * 2051 * Count, cookies and the order must match in order to be considered equivalent. 2052 */ 2053 static bool 2054 ice_match_prop_lst(struct list_head *list1, struct list_head *list2) 2055 { 2056 struct ice_vsig_prof *tmp1; 2057 struct ice_vsig_prof *tmp2; 2058 u16 chk_count = 0; 2059 u16 count = 0; 2060 2061 /* compare counts */ 2062 list_for_each_entry(tmp1, list1, list) 2063 count++; 2064 list_for_each_entry(tmp2, list2, list) 2065 chk_count++; 2066 if (!count || count != chk_count) 2067 return false; 2068 2069 tmp1 = list_first_entry(list1, struct ice_vsig_prof, list); 2070 tmp2 = list_first_entry(list2, struct ice_vsig_prof, list); 2071 2072 /* profile cookies must compare, and in the exact same order to take 2073 * into account priority 2074 */ 2075 while (count--) { 2076 if (tmp2->profile_cookie != tmp1->profile_cookie) 2077 return false; 2078 2079 tmp1 = list_next_entry(tmp1, list); 2080 tmp2 = list_next_entry(tmp2, list); 2081 } 2082 2083 return true; 2084 } 2085 2086 /* VSIG Management */ 2087 2088 /** 2089 * ice_vsig_find_vsi - find a VSIG that contains a specified VSI 2090 * @hw: pointer to the hardware structure 2091 * @blk: HW block 2092 * @vsi: VSI of interest 2093 * @vsig: pointer to receive the VSI group 2094 * 2095 * This function will lookup the VSI entry in the XLT2 list and return 2096 * the VSI group its associated with. 2097 */ 2098 static enum ice_status 2099 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig) 2100 { 2101 if (!vsig || vsi >= ICE_MAX_VSI) 2102 return ICE_ERR_PARAM; 2103 2104 /* As long as there's a default or valid VSIG associated with the input 2105 * VSI, the functions returns a success. Any handling of VSIG will be 2106 * done by the following add, update or remove functions. 2107 */ 2108 *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig; 2109 2110 return 0; 2111 } 2112 2113 /** 2114 * ice_vsig_alloc_val - allocate a new VSIG by value 2115 * @hw: pointer to the hardware structure 2116 * @blk: HW block 2117 * @vsig: the VSIG to allocate 2118 * 2119 * This function will allocate a given VSIG specified by the VSIG parameter. 2120 */ 2121 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig) 2122 { 2123 u16 idx = vsig & ICE_VSIG_IDX_M; 2124 2125 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) { 2126 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst); 2127 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true; 2128 } 2129 2130 return ICE_VSIG_VALUE(idx, hw->pf_id); 2131 } 2132 2133 /** 2134 * ice_vsig_alloc - Finds a free entry and allocates a new VSIG 2135 * @hw: pointer to the hardware structure 2136 * @blk: HW block 2137 * 2138 * This function will iterate through the VSIG list and mark the first 2139 * unused entry for the new VSIG entry as used and return that value. 2140 */ 2141 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk) 2142 { 2143 u16 i; 2144 2145 for (i = 1; i < ICE_MAX_VSIGS; i++) 2146 if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use) 2147 return ice_vsig_alloc_val(hw, blk, i); 2148 2149 return ICE_DEFAULT_VSIG; 2150 } 2151 2152 /** 2153 * ice_find_dup_props_vsig - find VSI group with a specified set of properties 2154 * @hw: pointer to the hardware structure 2155 * @blk: HW block 2156 * @chs: characteristic list 2157 * @vsig: returns the VSIG with the matching profiles, if found 2158 * 2159 * Each VSIG is associated with a characteristic set; i.e. all VSIs under 2160 * a group have the same characteristic set. To check if there exists a VSIG 2161 * which has the same characteristics as the input characteristics; this 2162 * function will iterate through the XLT2 list and return the VSIG that has a 2163 * matching configuration. In order to make sure that priorities are accounted 2164 * for, the list must match exactly, including the order in which the 2165 * characteristics are listed. 2166 */ 2167 static enum ice_status 2168 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk, 2169 struct list_head *chs, u16 *vsig) 2170 { 2171 struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2; 2172 u16 i; 2173 2174 for (i = 0; i < xlt2->count; i++) 2175 if (xlt2->vsig_tbl[i].in_use && 2176 ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) { 2177 *vsig = ICE_VSIG_VALUE(i, hw->pf_id); 2178 return 0; 2179 } 2180 2181 return ICE_ERR_DOES_NOT_EXIST; 2182 } 2183 2184 /** 2185 * ice_vsig_free - free VSI group 2186 * @hw: pointer to the hardware structure 2187 * @blk: HW block 2188 * @vsig: VSIG to remove 2189 * 2190 * The function will remove all VSIs associated with the input VSIG and move 2191 * them to the DEFAULT_VSIG and mark the VSIG available. 2192 */ 2193 static enum ice_status 2194 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) 2195 { 2196 struct ice_vsig_prof *dtmp, *del; 2197 struct ice_vsig_vsi *vsi_cur; 2198 u16 idx; 2199 2200 idx = vsig & ICE_VSIG_IDX_M; 2201 if (idx >= ICE_MAX_VSIGS) 2202 return ICE_ERR_PARAM; 2203 2204 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 2205 return ICE_ERR_DOES_NOT_EXIST; 2206 2207 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false; 2208 2209 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2210 /* If the VSIG has at least 1 VSI then iterate through the 2211 * list and remove the VSIs before deleting the group. 2212 */ 2213 if (vsi_cur) { 2214 /* remove all vsis associated with this VSIG XLT2 entry */ 2215 do { 2216 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; 2217 2218 vsi_cur->vsig = ICE_DEFAULT_VSIG; 2219 vsi_cur->changed = 1; 2220 vsi_cur->next_vsi = NULL; 2221 vsi_cur = tmp; 2222 } while (vsi_cur); 2223 2224 /* NULL terminate head of VSI list */ 2225 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL; 2226 } 2227 2228 /* free characteristic list */ 2229 list_for_each_entry_safe(del, dtmp, 2230 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 2231 list) { 2232 list_del(&del->list); 2233 devm_kfree(ice_hw_to_dev(hw), del); 2234 } 2235 2236 /* if VSIG characteristic list was cleared for reset 2237 * re-initialize the list head 2238 */ 2239 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst); 2240 2241 return 0; 2242 } 2243 2244 /** 2245 * ice_vsig_remove_vsi - remove VSI from VSIG 2246 * @hw: pointer to the hardware structure 2247 * @blk: HW block 2248 * @vsi: VSI to remove 2249 * @vsig: VSI group to remove from 2250 * 2251 * The function will remove the input VSI from its VSI group and move it 2252 * to the DEFAULT_VSIG. 2253 */ 2254 static enum ice_status 2255 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 2256 { 2257 struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt; 2258 u16 idx; 2259 2260 idx = vsig & ICE_VSIG_IDX_M; 2261 2262 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) 2263 return ICE_ERR_PARAM; 2264 2265 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 2266 return ICE_ERR_DOES_NOT_EXIST; 2267 2268 /* entry already in default VSIG, don't have to remove */ 2269 if (idx == ICE_DEFAULT_VSIG) 2270 return 0; 2271 2272 vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2273 if (!(*vsi_head)) 2274 return ICE_ERR_CFG; 2275 2276 vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi]; 2277 vsi_cur = (*vsi_head); 2278 2279 /* iterate the VSI list, skip over the entry to be removed */ 2280 while (vsi_cur) { 2281 if (vsi_tgt == vsi_cur) { 2282 (*vsi_head) = vsi_cur->next_vsi; 2283 break; 2284 } 2285 vsi_head = &vsi_cur->next_vsi; 2286 vsi_cur = vsi_cur->next_vsi; 2287 } 2288 2289 /* verify if VSI was removed from group list */ 2290 if (!vsi_cur) 2291 return ICE_ERR_DOES_NOT_EXIST; 2292 2293 vsi_cur->vsig = ICE_DEFAULT_VSIG; 2294 vsi_cur->changed = 1; 2295 vsi_cur->next_vsi = NULL; 2296 2297 return 0; 2298 } 2299 2300 /** 2301 * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group 2302 * @hw: pointer to the hardware structure 2303 * @blk: HW block 2304 * @vsi: VSI to move 2305 * @vsig: destination VSI group 2306 * 2307 * This function will move or add the input VSI to the target VSIG. 2308 * The function will find the original VSIG the VSI belongs to and 2309 * move the entry to the DEFAULT_VSIG, update the original VSIG and 2310 * then move entry to the new VSIG. 2311 */ 2312 static enum ice_status 2313 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 2314 { 2315 struct ice_vsig_vsi *tmp; 2316 enum ice_status status; 2317 u16 orig_vsig, idx; 2318 2319 idx = vsig & ICE_VSIG_IDX_M; 2320 2321 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) 2322 return ICE_ERR_PARAM; 2323 2324 /* if VSIG not in use and VSIG is not default type this VSIG 2325 * doesn't exist. 2326 */ 2327 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use && 2328 vsig != ICE_DEFAULT_VSIG) 2329 return ICE_ERR_DOES_NOT_EXIST; 2330 2331 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); 2332 if (status) 2333 return status; 2334 2335 /* no update required if vsigs match */ 2336 if (orig_vsig == vsig) 2337 return 0; 2338 2339 if (orig_vsig != ICE_DEFAULT_VSIG) { 2340 /* remove entry from orig_vsig and add to default VSIG */ 2341 status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig); 2342 if (status) 2343 return status; 2344 } 2345 2346 if (idx == ICE_DEFAULT_VSIG) 2347 return 0; 2348 2349 /* Create VSI entry and add VSIG and prop_mask values */ 2350 hw->blk[blk].xlt2.vsis[vsi].vsig = vsig; 2351 hw->blk[blk].xlt2.vsis[vsi].changed = 1; 2352 2353 /* Add new entry to the head of the VSIG list */ 2354 tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2355 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = 2356 &hw->blk[blk].xlt2.vsis[vsi]; 2357 hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp; 2358 hw->blk[blk].xlt2.t[vsi] = vsig; 2359 2360 return 0; 2361 } 2362 2363 /** 2364 * ice_prof_has_mask_idx - determine if profile index masking is identical 2365 * @hw: pointer to the hardware structure 2366 * @blk: HW block 2367 * @prof: profile to check 2368 * @idx: profile index to check 2369 * @mask: mask to match 2370 */ 2371 static bool 2372 ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx, 2373 u16 mask) 2374 { 2375 bool expect_no_mask = false; 2376 bool found = false; 2377 bool match = false; 2378 u16 i; 2379 2380 /* If mask is 0x0000 or 0xffff, then there is no masking */ 2381 if (mask == 0 || mask == 0xffff) 2382 expect_no_mask = true; 2383 2384 /* Scan the enabled masks on this profile, for the specified idx */ 2385 for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first + 2386 hw->blk[blk].masks.count; i++) 2387 if (hw->blk[blk].es.mask_ena[prof] & BIT(i)) 2388 if (hw->blk[blk].masks.masks[i].in_use && 2389 hw->blk[blk].masks.masks[i].idx == idx) { 2390 found = true; 2391 if (hw->blk[blk].masks.masks[i].mask == mask) 2392 match = true; 2393 break; 2394 } 2395 2396 if (expect_no_mask) { 2397 if (found) 2398 return false; 2399 } else { 2400 if (!match) 2401 return false; 2402 } 2403 2404 return true; 2405 } 2406 2407 /** 2408 * ice_prof_has_mask - determine if profile masking is identical 2409 * @hw: pointer to the hardware structure 2410 * @blk: HW block 2411 * @prof: profile to check 2412 * @masks: masks to match 2413 */ 2414 static bool 2415 ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks) 2416 { 2417 u16 i; 2418 2419 /* es->mask_ena[prof] will have the mask */ 2420 for (i = 0; i < hw->blk[blk].es.fvw; i++) 2421 if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i])) 2422 return false; 2423 2424 return true; 2425 } 2426 2427 /** 2428 * ice_find_prof_id_with_mask - find profile ID for a given field vector 2429 * @hw: pointer to the hardware structure 2430 * @blk: HW block 2431 * @fv: field vector to search for 2432 * @masks: masks for FV 2433 * @prof_id: receives the profile ID 2434 */ 2435 static enum ice_status 2436 ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk, 2437 struct ice_fv_word *fv, u16 *masks, u8 *prof_id) 2438 { 2439 struct ice_es *es = &hw->blk[blk].es; 2440 u8 i; 2441 2442 /* For FD, we don't want to re-use a existed profile with the same 2443 * field vector and mask. This will cause rule interference. 2444 */ 2445 if (blk == ICE_BLK_FD) 2446 return ICE_ERR_DOES_NOT_EXIST; 2447 2448 for (i = 0; i < (u8)es->count; i++) { 2449 u16 off = i * es->fvw; 2450 2451 if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv))) 2452 continue; 2453 2454 /* check if masks settings are the same for this profile */ 2455 if (masks && !ice_prof_has_mask(hw, blk, i, masks)) 2456 continue; 2457 2458 *prof_id = i; 2459 return 0; 2460 } 2461 2462 return ICE_ERR_DOES_NOT_EXIST; 2463 } 2464 2465 /** 2466 * ice_prof_id_rsrc_type - get profile ID resource type for a block type 2467 * @blk: the block type 2468 * @rsrc_type: pointer to variable to receive the resource type 2469 */ 2470 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type) 2471 { 2472 switch (blk) { 2473 case ICE_BLK_FD: 2474 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID; 2475 break; 2476 case ICE_BLK_RSS: 2477 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID; 2478 break; 2479 default: 2480 return false; 2481 } 2482 return true; 2483 } 2484 2485 /** 2486 * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type 2487 * @blk: the block type 2488 * @rsrc_type: pointer to variable to receive the resource type 2489 */ 2490 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type) 2491 { 2492 switch (blk) { 2493 case ICE_BLK_FD: 2494 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM; 2495 break; 2496 case ICE_BLK_RSS: 2497 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM; 2498 break; 2499 default: 2500 return false; 2501 } 2502 return true; 2503 } 2504 2505 /** 2506 * ice_alloc_tcam_ent - allocate hardware TCAM entry 2507 * @hw: pointer to the HW struct 2508 * @blk: the block to allocate the TCAM for 2509 * @tcam_idx: pointer to variable to receive the TCAM entry 2510 * 2511 * This function allocates a new entry in a Profile ID TCAM for a specific 2512 * block. 2513 */ 2514 static enum ice_status 2515 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 *tcam_idx) 2516 { 2517 u16 res_type; 2518 2519 if (!ice_tcam_ent_rsrc_type(blk, &res_type)) 2520 return ICE_ERR_PARAM; 2521 2522 return ice_alloc_hw_res(hw, res_type, 1, true, tcam_idx); 2523 } 2524 2525 /** 2526 * ice_free_tcam_ent - free hardware TCAM entry 2527 * @hw: pointer to the HW struct 2528 * @blk: the block from which to free the TCAM entry 2529 * @tcam_idx: the TCAM entry to free 2530 * 2531 * This function frees an entry in a Profile ID TCAM for a specific block. 2532 */ 2533 static enum ice_status 2534 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx) 2535 { 2536 u16 res_type; 2537 2538 if (!ice_tcam_ent_rsrc_type(blk, &res_type)) 2539 return ICE_ERR_PARAM; 2540 2541 return ice_free_hw_res(hw, res_type, 1, &tcam_idx); 2542 } 2543 2544 /** 2545 * ice_alloc_prof_id - allocate profile ID 2546 * @hw: pointer to the HW struct 2547 * @blk: the block to allocate the profile ID for 2548 * @prof_id: pointer to variable to receive the profile ID 2549 * 2550 * This function allocates a new profile ID, which also corresponds to a Field 2551 * Vector (Extraction Sequence) entry. 2552 */ 2553 static enum ice_status 2554 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id) 2555 { 2556 enum ice_status status; 2557 u16 res_type; 2558 u16 get_prof; 2559 2560 if (!ice_prof_id_rsrc_type(blk, &res_type)) 2561 return ICE_ERR_PARAM; 2562 2563 status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof); 2564 if (!status) 2565 *prof_id = (u8)get_prof; 2566 2567 return status; 2568 } 2569 2570 /** 2571 * ice_free_prof_id - free profile ID 2572 * @hw: pointer to the HW struct 2573 * @blk: the block from which to free the profile ID 2574 * @prof_id: the profile ID to free 2575 * 2576 * This function frees a profile ID, which also corresponds to a Field Vector. 2577 */ 2578 static enum ice_status 2579 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 2580 { 2581 u16 tmp_prof_id = (u16)prof_id; 2582 u16 res_type; 2583 2584 if (!ice_prof_id_rsrc_type(blk, &res_type)) 2585 return ICE_ERR_PARAM; 2586 2587 return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id); 2588 } 2589 2590 /** 2591 * ice_prof_inc_ref - increment reference count for profile 2592 * @hw: pointer to the HW struct 2593 * @blk: the block from which to free the profile ID 2594 * @prof_id: the profile ID for which to increment the reference count 2595 */ 2596 static enum ice_status 2597 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 2598 { 2599 if (prof_id > hw->blk[blk].es.count) 2600 return ICE_ERR_PARAM; 2601 2602 hw->blk[blk].es.ref_count[prof_id]++; 2603 2604 return 0; 2605 } 2606 2607 /** 2608 * ice_write_prof_mask_reg - write profile mask register 2609 * @hw: pointer to the HW struct 2610 * @blk: hardware block 2611 * @mask_idx: mask index 2612 * @idx: index of the FV which will use the mask 2613 * @mask: the 16-bit mask 2614 */ 2615 static void 2616 ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx, 2617 u16 idx, u16 mask) 2618 { 2619 u32 offset; 2620 u32 val; 2621 2622 switch (blk) { 2623 case ICE_BLK_RSS: 2624 offset = GLQF_HMASK(mask_idx); 2625 val = (idx << GLQF_HMASK_MSK_INDEX_S) & GLQF_HMASK_MSK_INDEX_M; 2626 val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M; 2627 break; 2628 case ICE_BLK_FD: 2629 offset = GLQF_FDMASK(mask_idx); 2630 val = (idx << GLQF_FDMASK_MSK_INDEX_S) & GLQF_FDMASK_MSK_INDEX_M; 2631 val |= (mask << GLQF_FDMASK_MASK_S) & GLQF_FDMASK_MASK_M; 2632 break; 2633 default: 2634 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", 2635 blk); 2636 return; 2637 } 2638 2639 wr32(hw, offset, val); 2640 ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n", 2641 blk, idx, offset, val); 2642 } 2643 2644 /** 2645 * ice_write_prof_mask_enable_res - write profile mask enable register 2646 * @hw: pointer to the HW struct 2647 * @blk: hardware block 2648 * @prof_id: profile ID 2649 * @enable_mask: enable mask 2650 */ 2651 static void 2652 ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk, 2653 u16 prof_id, u32 enable_mask) 2654 { 2655 u32 offset; 2656 2657 switch (blk) { 2658 case ICE_BLK_RSS: 2659 offset = GLQF_HMASK_SEL(prof_id); 2660 break; 2661 case ICE_BLK_FD: 2662 offset = GLQF_FDMASK_SEL(prof_id); 2663 break; 2664 default: 2665 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", 2666 blk); 2667 return; 2668 } 2669 2670 wr32(hw, offset, enable_mask); 2671 ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n", 2672 blk, prof_id, offset, enable_mask); 2673 } 2674 2675 /** 2676 * ice_init_prof_masks - initial prof masks 2677 * @hw: pointer to the HW struct 2678 * @blk: hardware block 2679 */ 2680 static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk) 2681 { 2682 u16 per_pf; 2683 u16 i; 2684 2685 mutex_init(&hw->blk[blk].masks.lock); 2686 2687 per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs; 2688 2689 hw->blk[blk].masks.count = per_pf; 2690 hw->blk[blk].masks.first = hw->pf_id * per_pf; 2691 2692 memset(hw->blk[blk].masks.masks, 0, sizeof(hw->blk[blk].masks.masks)); 2693 2694 for (i = hw->blk[blk].masks.first; 2695 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) 2696 ice_write_prof_mask_reg(hw, blk, i, 0, 0); 2697 } 2698 2699 /** 2700 * ice_init_all_prof_masks - initialize all prof masks 2701 * @hw: pointer to the HW struct 2702 */ 2703 static void ice_init_all_prof_masks(struct ice_hw *hw) 2704 { 2705 ice_init_prof_masks(hw, ICE_BLK_RSS); 2706 ice_init_prof_masks(hw, ICE_BLK_FD); 2707 } 2708 2709 /** 2710 * ice_alloc_prof_mask - allocate profile mask 2711 * @hw: pointer to the HW struct 2712 * @blk: hardware block 2713 * @idx: index of FV which will use the mask 2714 * @mask: the 16-bit mask 2715 * @mask_idx: variable to receive the mask index 2716 */ 2717 static enum ice_status 2718 ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask, 2719 u16 *mask_idx) 2720 { 2721 bool found_unused = false, found_copy = false; 2722 enum ice_status status = ICE_ERR_MAX_LIMIT; 2723 u16 unused_idx = 0, copy_idx = 0; 2724 u16 i; 2725 2726 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 2727 return ICE_ERR_PARAM; 2728 2729 mutex_lock(&hw->blk[blk].masks.lock); 2730 2731 for (i = hw->blk[blk].masks.first; 2732 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) 2733 if (hw->blk[blk].masks.masks[i].in_use) { 2734 /* if mask is in use and it exactly duplicates the 2735 * desired mask and index, then in can be reused 2736 */ 2737 if (hw->blk[blk].masks.masks[i].mask == mask && 2738 hw->blk[blk].masks.masks[i].idx == idx) { 2739 found_copy = true; 2740 copy_idx = i; 2741 break; 2742 } 2743 } else { 2744 /* save off unused index, but keep searching in case 2745 * there is an exact match later on 2746 */ 2747 if (!found_unused) { 2748 found_unused = true; 2749 unused_idx = i; 2750 } 2751 } 2752 2753 if (found_copy) 2754 i = copy_idx; 2755 else if (found_unused) 2756 i = unused_idx; 2757 else 2758 goto err_ice_alloc_prof_mask; 2759 2760 /* update mask for a new entry */ 2761 if (found_unused) { 2762 hw->blk[blk].masks.masks[i].in_use = true; 2763 hw->blk[blk].masks.masks[i].mask = mask; 2764 hw->blk[blk].masks.masks[i].idx = idx; 2765 hw->blk[blk].masks.masks[i].ref = 0; 2766 ice_write_prof_mask_reg(hw, blk, i, idx, mask); 2767 } 2768 2769 hw->blk[blk].masks.masks[i].ref++; 2770 *mask_idx = i; 2771 status = 0; 2772 2773 err_ice_alloc_prof_mask: 2774 mutex_unlock(&hw->blk[blk].masks.lock); 2775 2776 return status; 2777 } 2778 2779 /** 2780 * ice_free_prof_mask - free profile mask 2781 * @hw: pointer to the HW struct 2782 * @blk: hardware block 2783 * @mask_idx: index of mask 2784 */ 2785 static enum ice_status 2786 ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx) 2787 { 2788 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 2789 return ICE_ERR_PARAM; 2790 2791 if (!(mask_idx >= hw->blk[blk].masks.first && 2792 mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count)) 2793 return ICE_ERR_DOES_NOT_EXIST; 2794 2795 mutex_lock(&hw->blk[blk].masks.lock); 2796 2797 if (!hw->blk[blk].masks.masks[mask_idx].in_use) 2798 goto exit_ice_free_prof_mask; 2799 2800 if (hw->blk[blk].masks.masks[mask_idx].ref > 1) { 2801 hw->blk[blk].masks.masks[mask_idx].ref--; 2802 goto exit_ice_free_prof_mask; 2803 } 2804 2805 /* remove mask */ 2806 hw->blk[blk].masks.masks[mask_idx].in_use = false; 2807 hw->blk[blk].masks.masks[mask_idx].mask = 0; 2808 hw->blk[blk].masks.masks[mask_idx].idx = 0; 2809 2810 /* update mask as unused entry */ 2811 ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d\n", blk, 2812 mask_idx); 2813 ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0); 2814 2815 exit_ice_free_prof_mask: 2816 mutex_unlock(&hw->blk[blk].masks.lock); 2817 2818 return 0; 2819 } 2820 2821 /** 2822 * ice_free_prof_masks - free all profile masks for a profile 2823 * @hw: pointer to the HW struct 2824 * @blk: hardware block 2825 * @prof_id: profile ID 2826 */ 2827 static enum ice_status 2828 ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id) 2829 { 2830 u32 mask_bm; 2831 u16 i; 2832 2833 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 2834 return ICE_ERR_PARAM; 2835 2836 mask_bm = hw->blk[blk].es.mask_ena[prof_id]; 2837 for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++) 2838 if (mask_bm & BIT(i)) 2839 ice_free_prof_mask(hw, blk, i); 2840 2841 return 0; 2842 } 2843 2844 /** 2845 * ice_shutdown_prof_masks - releases lock for masking 2846 * @hw: pointer to the HW struct 2847 * @blk: hardware block 2848 * 2849 * This should be called before unloading the driver 2850 */ 2851 static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk) 2852 { 2853 u16 i; 2854 2855 mutex_lock(&hw->blk[blk].masks.lock); 2856 2857 for (i = hw->blk[blk].masks.first; 2858 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) { 2859 ice_write_prof_mask_reg(hw, blk, i, 0, 0); 2860 2861 hw->blk[blk].masks.masks[i].in_use = false; 2862 hw->blk[blk].masks.masks[i].idx = 0; 2863 hw->blk[blk].masks.masks[i].mask = 0; 2864 } 2865 2866 mutex_unlock(&hw->blk[blk].masks.lock); 2867 mutex_destroy(&hw->blk[blk].masks.lock); 2868 } 2869 2870 /** 2871 * ice_shutdown_all_prof_masks - releases all locks for masking 2872 * @hw: pointer to the HW struct 2873 * 2874 * This should be called before unloading the driver 2875 */ 2876 static void ice_shutdown_all_prof_masks(struct ice_hw *hw) 2877 { 2878 ice_shutdown_prof_masks(hw, ICE_BLK_RSS); 2879 ice_shutdown_prof_masks(hw, ICE_BLK_FD); 2880 } 2881 2882 /** 2883 * ice_update_prof_masking - set registers according to masking 2884 * @hw: pointer to the HW struct 2885 * @blk: hardware block 2886 * @prof_id: profile ID 2887 * @masks: masks 2888 */ 2889 static enum ice_status 2890 ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id, 2891 u16 *masks) 2892 { 2893 bool err = false; 2894 u32 ena_mask = 0; 2895 u16 idx; 2896 u16 i; 2897 2898 /* Only support FD and RSS masking, otherwise nothing to be done */ 2899 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 2900 return 0; 2901 2902 for (i = 0; i < hw->blk[blk].es.fvw; i++) 2903 if (masks[i] && masks[i] != 0xFFFF) { 2904 if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) { 2905 ena_mask |= BIT(idx); 2906 } else { 2907 /* not enough bitmaps */ 2908 err = true; 2909 break; 2910 } 2911 } 2912 2913 if (err) { 2914 /* free any bitmaps we have allocated */ 2915 for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++) 2916 if (ena_mask & BIT(i)) 2917 ice_free_prof_mask(hw, blk, i); 2918 2919 return ICE_ERR_OUT_OF_RANGE; 2920 } 2921 2922 /* enable the masks for this profile */ 2923 ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask); 2924 2925 /* store enabled masks with profile so that they can be freed later */ 2926 hw->blk[blk].es.mask_ena[prof_id] = ena_mask; 2927 2928 return 0; 2929 } 2930 2931 /** 2932 * ice_write_es - write an extraction sequence to hardware 2933 * @hw: pointer to the HW struct 2934 * @blk: the block in which to write the extraction sequence 2935 * @prof_id: the profile ID to write 2936 * @fv: pointer to the extraction sequence to write - NULL to clear extraction 2937 */ 2938 static void 2939 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id, 2940 struct ice_fv_word *fv) 2941 { 2942 u16 off; 2943 2944 off = prof_id * hw->blk[blk].es.fvw; 2945 if (!fv) { 2946 memset(&hw->blk[blk].es.t[off], 0, 2947 hw->blk[blk].es.fvw * sizeof(*fv)); 2948 hw->blk[blk].es.written[prof_id] = false; 2949 } else { 2950 memcpy(&hw->blk[blk].es.t[off], fv, 2951 hw->blk[blk].es.fvw * sizeof(*fv)); 2952 } 2953 } 2954 2955 /** 2956 * ice_prof_dec_ref - decrement reference count for profile 2957 * @hw: pointer to the HW struct 2958 * @blk: the block from which to free the profile ID 2959 * @prof_id: the profile ID for which to decrement the reference count 2960 */ 2961 static enum ice_status 2962 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 2963 { 2964 if (prof_id > hw->blk[blk].es.count) 2965 return ICE_ERR_PARAM; 2966 2967 if (hw->blk[blk].es.ref_count[prof_id] > 0) { 2968 if (!--hw->blk[blk].es.ref_count[prof_id]) { 2969 ice_write_es(hw, blk, prof_id, NULL); 2970 ice_free_prof_masks(hw, blk, prof_id); 2971 return ice_free_prof_id(hw, blk, prof_id); 2972 } 2973 } 2974 2975 return 0; 2976 } 2977 2978 /* Block / table section IDs */ 2979 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = { 2980 /* SWITCH */ 2981 { ICE_SID_XLT1_SW, 2982 ICE_SID_XLT2_SW, 2983 ICE_SID_PROFID_TCAM_SW, 2984 ICE_SID_PROFID_REDIR_SW, 2985 ICE_SID_FLD_VEC_SW 2986 }, 2987 2988 /* ACL */ 2989 { ICE_SID_XLT1_ACL, 2990 ICE_SID_XLT2_ACL, 2991 ICE_SID_PROFID_TCAM_ACL, 2992 ICE_SID_PROFID_REDIR_ACL, 2993 ICE_SID_FLD_VEC_ACL 2994 }, 2995 2996 /* FD */ 2997 { ICE_SID_XLT1_FD, 2998 ICE_SID_XLT2_FD, 2999 ICE_SID_PROFID_TCAM_FD, 3000 ICE_SID_PROFID_REDIR_FD, 3001 ICE_SID_FLD_VEC_FD 3002 }, 3003 3004 /* RSS */ 3005 { ICE_SID_XLT1_RSS, 3006 ICE_SID_XLT2_RSS, 3007 ICE_SID_PROFID_TCAM_RSS, 3008 ICE_SID_PROFID_REDIR_RSS, 3009 ICE_SID_FLD_VEC_RSS 3010 }, 3011 3012 /* PE */ 3013 { ICE_SID_XLT1_PE, 3014 ICE_SID_XLT2_PE, 3015 ICE_SID_PROFID_TCAM_PE, 3016 ICE_SID_PROFID_REDIR_PE, 3017 ICE_SID_FLD_VEC_PE 3018 } 3019 }; 3020 3021 /** 3022 * ice_init_sw_xlt1_db - init software XLT1 database from HW tables 3023 * @hw: pointer to the hardware structure 3024 * @blk: the HW block to initialize 3025 */ 3026 static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk) 3027 { 3028 u16 pt; 3029 3030 for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) { 3031 u8 ptg; 3032 3033 ptg = hw->blk[blk].xlt1.t[pt]; 3034 if (ptg != ICE_DEFAULT_PTG) { 3035 ice_ptg_alloc_val(hw, blk, ptg); 3036 ice_ptg_add_mv_ptype(hw, blk, pt, ptg); 3037 } 3038 } 3039 } 3040 3041 /** 3042 * ice_init_sw_xlt2_db - init software XLT2 database from HW tables 3043 * @hw: pointer to the hardware structure 3044 * @blk: the HW block to initialize 3045 */ 3046 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk) 3047 { 3048 u16 vsi; 3049 3050 for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) { 3051 u16 vsig; 3052 3053 vsig = hw->blk[blk].xlt2.t[vsi]; 3054 if (vsig) { 3055 ice_vsig_alloc_val(hw, blk, vsig); 3056 ice_vsig_add_mv_vsi(hw, blk, vsi, vsig); 3057 /* no changes at this time, since this has been 3058 * initialized from the original package 3059 */ 3060 hw->blk[blk].xlt2.vsis[vsi].changed = 0; 3061 } 3062 } 3063 } 3064 3065 /** 3066 * ice_init_sw_db - init software database from HW tables 3067 * @hw: pointer to the hardware structure 3068 */ 3069 static void ice_init_sw_db(struct ice_hw *hw) 3070 { 3071 u16 i; 3072 3073 for (i = 0; i < ICE_BLK_COUNT; i++) { 3074 ice_init_sw_xlt1_db(hw, (enum ice_block)i); 3075 ice_init_sw_xlt2_db(hw, (enum ice_block)i); 3076 } 3077 } 3078 3079 /** 3080 * ice_fill_tbl - Reads content of a single table type into database 3081 * @hw: pointer to the hardware structure 3082 * @block_id: Block ID of the table to copy 3083 * @sid: Section ID of the table to copy 3084 * 3085 * Will attempt to read the entire content of a given table of a single block 3086 * into the driver database. We assume that the buffer will always 3087 * be as large or larger than the data contained in the package. If 3088 * this condition is not met, there is most likely an error in the package 3089 * contents. 3090 */ 3091 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) 3092 { 3093 u32 dst_len, sect_len, offset = 0; 3094 struct ice_prof_redir_section *pr; 3095 struct ice_prof_id_section *pid; 3096 struct ice_xlt1_section *xlt1; 3097 struct ice_xlt2_section *xlt2; 3098 struct ice_sw_fv_section *es; 3099 struct ice_pkg_enum state; 3100 u8 *src, *dst; 3101 void *sect; 3102 3103 /* if the HW segment pointer is null then the first iteration of 3104 * ice_pkg_enum_section() will fail. In this case the HW tables will 3105 * not be filled and return success. 3106 */ 3107 if (!hw->seg) { 3108 ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n"); 3109 return; 3110 } 3111 3112 memset(&state, 0, sizeof(state)); 3113 3114 sect = ice_pkg_enum_section(hw->seg, &state, sid); 3115 3116 while (sect) { 3117 switch (sid) { 3118 case ICE_SID_XLT1_SW: 3119 case ICE_SID_XLT1_FD: 3120 case ICE_SID_XLT1_RSS: 3121 case ICE_SID_XLT1_ACL: 3122 case ICE_SID_XLT1_PE: 3123 xlt1 = sect; 3124 src = xlt1->value; 3125 sect_len = le16_to_cpu(xlt1->count) * 3126 sizeof(*hw->blk[block_id].xlt1.t); 3127 dst = hw->blk[block_id].xlt1.t; 3128 dst_len = hw->blk[block_id].xlt1.count * 3129 sizeof(*hw->blk[block_id].xlt1.t); 3130 break; 3131 case ICE_SID_XLT2_SW: 3132 case ICE_SID_XLT2_FD: 3133 case ICE_SID_XLT2_RSS: 3134 case ICE_SID_XLT2_ACL: 3135 case ICE_SID_XLT2_PE: 3136 xlt2 = sect; 3137 src = (__force u8 *)xlt2->value; 3138 sect_len = le16_to_cpu(xlt2->count) * 3139 sizeof(*hw->blk[block_id].xlt2.t); 3140 dst = (u8 *)hw->blk[block_id].xlt2.t; 3141 dst_len = hw->blk[block_id].xlt2.count * 3142 sizeof(*hw->blk[block_id].xlt2.t); 3143 break; 3144 case ICE_SID_PROFID_TCAM_SW: 3145 case ICE_SID_PROFID_TCAM_FD: 3146 case ICE_SID_PROFID_TCAM_RSS: 3147 case ICE_SID_PROFID_TCAM_ACL: 3148 case ICE_SID_PROFID_TCAM_PE: 3149 pid = sect; 3150 src = (u8 *)pid->entry; 3151 sect_len = le16_to_cpu(pid->count) * 3152 sizeof(*hw->blk[block_id].prof.t); 3153 dst = (u8 *)hw->blk[block_id].prof.t; 3154 dst_len = hw->blk[block_id].prof.count * 3155 sizeof(*hw->blk[block_id].prof.t); 3156 break; 3157 case ICE_SID_PROFID_REDIR_SW: 3158 case ICE_SID_PROFID_REDIR_FD: 3159 case ICE_SID_PROFID_REDIR_RSS: 3160 case ICE_SID_PROFID_REDIR_ACL: 3161 case ICE_SID_PROFID_REDIR_PE: 3162 pr = sect; 3163 src = pr->redir_value; 3164 sect_len = le16_to_cpu(pr->count) * 3165 sizeof(*hw->blk[block_id].prof_redir.t); 3166 dst = hw->blk[block_id].prof_redir.t; 3167 dst_len = hw->blk[block_id].prof_redir.count * 3168 sizeof(*hw->blk[block_id].prof_redir.t); 3169 break; 3170 case ICE_SID_FLD_VEC_SW: 3171 case ICE_SID_FLD_VEC_FD: 3172 case ICE_SID_FLD_VEC_RSS: 3173 case ICE_SID_FLD_VEC_ACL: 3174 case ICE_SID_FLD_VEC_PE: 3175 es = sect; 3176 src = (u8 *)es->fv; 3177 sect_len = (u32)(le16_to_cpu(es->count) * 3178 hw->blk[block_id].es.fvw) * 3179 sizeof(*hw->blk[block_id].es.t); 3180 dst = (u8 *)hw->blk[block_id].es.t; 3181 dst_len = (u32)(hw->blk[block_id].es.count * 3182 hw->blk[block_id].es.fvw) * 3183 sizeof(*hw->blk[block_id].es.t); 3184 break; 3185 default: 3186 return; 3187 } 3188 3189 /* if the section offset exceeds destination length, terminate 3190 * table fill. 3191 */ 3192 if (offset > dst_len) 3193 return; 3194 3195 /* if the sum of section size and offset exceed destination size 3196 * then we are out of bounds of the HW table size for that PF. 3197 * Changing section length to fill the remaining table space 3198 * of that PF. 3199 */ 3200 if ((offset + sect_len) > dst_len) 3201 sect_len = dst_len - offset; 3202 3203 memcpy(dst + offset, src, sect_len); 3204 offset += sect_len; 3205 sect = ice_pkg_enum_section(NULL, &state, sid); 3206 } 3207 } 3208 3209 /** 3210 * ice_fill_blk_tbls - Read package context for tables 3211 * @hw: pointer to the hardware structure 3212 * 3213 * Reads the current package contents and populates the driver 3214 * database with the data iteratively for all advanced feature 3215 * blocks. Assume that the HW tables have been allocated. 3216 */ 3217 void ice_fill_blk_tbls(struct ice_hw *hw) 3218 { 3219 u8 i; 3220 3221 for (i = 0; i < ICE_BLK_COUNT; i++) { 3222 enum ice_block blk_id = (enum ice_block)i; 3223 3224 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid); 3225 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid); 3226 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid); 3227 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid); 3228 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid); 3229 } 3230 3231 ice_init_sw_db(hw); 3232 } 3233 3234 /** 3235 * ice_free_prof_map - free profile map 3236 * @hw: pointer to the hardware structure 3237 * @blk_idx: HW block index 3238 */ 3239 static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx) 3240 { 3241 struct ice_es *es = &hw->blk[blk_idx].es; 3242 struct ice_prof_map *del, *tmp; 3243 3244 mutex_lock(&es->prof_map_lock); 3245 list_for_each_entry_safe(del, tmp, &es->prof_map, list) { 3246 list_del(&del->list); 3247 devm_kfree(ice_hw_to_dev(hw), del); 3248 } 3249 INIT_LIST_HEAD(&es->prof_map); 3250 mutex_unlock(&es->prof_map_lock); 3251 } 3252 3253 /** 3254 * ice_free_flow_profs - free flow profile entries 3255 * @hw: pointer to the hardware structure 3256 * @blk_idx: HW block index 3257 */ 3258 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx) 3259 { 3260 struct ice_flow_prof *p, *tmp; 3261 3262 mutex_lock(&hw->fl_profs_locks[blk_idx]); 3263 list_for_each_entry_safe(p, tmp, &hw->fl_profs[blk_idx], l_entry) { 3264 struct ice_flow_entry *e, *t; 3265 3266 list_for_each_entry_safe(e, t, &p->entries, l_entry) 3267 ice_flow_rem_entry(hw, (enum ice_block)blk_idx, 3268 ICE_FLOW_ENTRY_HNDL(e)); 3269 3270 list_del(&p->l_entry); 3271 3272 mutex_destroy(&p->entries_lock); 3273 devm_kfree(ice_hw_to_dev(hw), p); 3274 } 3275 mutex_unlock(&hw->fl_profs_locks[blk_idx]); 3276 3277 /* if driver is in reset and tables are being cleared 3278 * re-initialize the flow profile list heads 3279 */ 3280 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]); 3281 } 3282 3283 /** 3284 * ice_free_vsig_tbl - free complete VSIG table entries 3285 * @hw: pointer to the hardware structure 3286 * @blk: the HW block on which to free the VSIG table entries 3287 */ 3288 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk) 3289 { 3290 u16 i; 3291 3292 if (!hw->blk[blk].xlt2.vsig_tbl) 3293 return; 3294 3295 for (i = 1; i < ICE_MAX_VSIGS; i++) 3296 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) 3297 ice_vsig_free(hw, blk, i); 3298 } 3299 3300 /** 3301 * ice_free_hw_tbls - free hardware table memory 3302 * @hw: pointer to the hardware structure 3303 */ 3304 void ice_free_hw_tbls(struct ice_hw *hw) 3305 { 3306 struct ice_rss_cfg *r, *rt; 3307 u8 i; 3308 3309 for (i = 0; i < ICE_BLK_COUNT; i++) { 3310 if (hw->blk[i].is_list_init) { 3311 struct ice_es *es = &hw->blk[i].es; 3312 3313 ice_free_prof_map(hw, i); 3314 mutex_destroy(&es->prof_map_lock); 3315 3316 ice_free_flow_profs(hw, i); 3317 mutex_destroy(&hw->fl_profs_locks[i]); 3318 3319 hw->blk[i].is_list_init = false; 3320 } 3321 ice_free_vsig_tbl(hw, (enum ice_block)i); 3322 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptypes); 3323 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.ptg_tbl); 3324 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt1.t); 3325 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.t); 3326 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsig_tbl); 3327 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].xlt2.vsis); 3328 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof.t); 3329 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].prof_redir.t); 3330 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.t); 3331 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.ref_count); 3332 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.written); 3333 devm_kfree(ice_hw_to_dev(hw), hw->blk[i].es.mask_ena); 3334 } 3335 3336 list_for_each_entry_safe(r, rt, &hw->rss_list_head, l_entry) { 3337 list_del(&r->l_entry); 3338 devm_kfree(ice_hw_to_dev(hw), r); 3339 } 3340 mutex_destroy(&hw->rss_locks); 3341 ice_shutdown_all_prof_masks(hw); 3342 memset(hw->blk, 0, sizeof(hw->blk)); 3343 } 3344 3345 /** 3346 * ice_init_flow_profs - init flow profile locks and list heads 3347 * @hw: pointer to the hardware structure 3348 * @blk_idx: HW block index 3349 */ 3350 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx) 3351 { 3352 mutex_init(&hw->fl_profs_locks[blk_idx]); 3353 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]); 3354 } 3355 3356 /** 3357 * ice_clear_hw_tbls - clear HW tables and flow profiles 3358 * @hw: pointer to the hardware structure 3359 */ 3360 void ice_clear_hw_tbls(struct ice_hw *hw) 3361 { 3362 u8 i; 3363 3364 for (i = 0; i < ICE_BLK_COUNT; i++) { 3365 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; 3366 struct ice_prof_tcam *prof = &hw->blk[i].prof; 3367 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; 3368 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; 3369 struct ice_es *es = &hw->blk[i].es; 3370 3371 if (hw->blk[i].is_list_init) { 3372 ice_free_prof_map(hw, i); 3373 ice_free_flow_profs(hw, i); 3374 } 3375 3376 ice_free_vsig_tbl(hw, (enum ice_block)i); 3377 3378 memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes)); 3379 memset(xlt1->ptg_tbl, 0, 3380 ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl)); 3381 memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t)); 3382 3383 memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis)); 3384 memset(xlt2->vsig_tbl, 0, 3385 xlt2->count * sizeof(*xlt2->vsig_tbl)); 3386 memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t)); 3387 3388 memset(prof->t, 0, prof->count * sizeof(*prof->t)); 3389 memset(prof_redir->t, 0, 3390 prof_redir->count * sizeof(*prof_redir->t)); 3391 3392 memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw); 3393 memset(es->ref_count, 0, es->count * sizeof(*es->ref_count)); 3394 memset(es->written, 0, es->count * sizeof(*es->written)); 3395 memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena)); 3396 } 3397 } 3398 3399 /** 3400 * ice_init_hw_tbls - init hardware table memory 3401 * @hw: pointer to the hardware structure 3402 */ 3403 enum ice_status ice_init_hw_tbls(struct ice_hw *hw) 3404 { 3405 u8 i; 3406 3407 mutex_init(&hw->rss_locks); 3408 INIT_LIST_HEAD(&hw->rss_list_head); 3409 ice_init_all_prof_masks(hw); 3410 for (i = 0; i < ICE_BLK_COUNT; i++) { 3411 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; 3412 struct ice_prof_tcam *prof = &hw->blk[i].prof; 3413 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; 3414 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; 3415 struct ice_es *es = &hw->blk[i].es; 3416 u16 j; 3417 3418 if (hw->blk[i].is_list_init) 3419 continue; 3420 3421 ice_init_flow_profs(hw, i); 3422 mutex_init(&es->prof_map_lock); 3423 INIT_LIST_HEAD(&es->prof_map); 3424 hw->blk[i].is_list_init = true; 3425 3426 hw->blk[i].overwrite = blk_sizes[i].overwrite; 3427 es->reverse = blk_sizes[i].reverse; 3428 3429 xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF]; 3430 xlt1->count = blk_sizes[i].xlt1; 3431 3432 xlt1->ptypes = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count, 3433 sizeof(*xlt1->ptypes), GFP_KERNEL); 3434 3435 if (!xlt1->ptypes) 3436 goto err; 3437 3438 xlt1->ptg_tbl = devm_kcalloc(ice_hw_to_dev(hw), ICE_MAX_PTGS, 3439 sizeof(*xlt1->ptg_tbl), 3440 GFP_KERNEL); 3441 3442 if (!xlt1->ptg_tbl) 3443 goto err; 3444 3445 xlt1->t = devm_kcalloc(ice_hw_to_dev(hw), xlt1->count, 3446 sizeof(*xlt1->t), GFP_KERNEL); 3447 if (!xlt1->t) 3448 goto err; 3449 3450 xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF]; 3451 xlt2->count = blk_sizes[i].xlt2; 3452 3453 xlt2->vsis = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count, 3454 sizeof(*xlt2->vsis), GFP_KERNEL); 3455 3456 if (!xlt2->vsis) 3457 goto err; 3458 3459 xlt2->vsig_tbl = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count, 3460 sizeof(*xlt2->vsig_tbl), 3461 GFP_KERNEL); 3462 if (!xlt2->vsig_tbl) 3463 goto err; 3464 3465 for (j = 0; j < xlt2->count; j++) 3466 INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst); 3467 3468 xlt2->t = devm_kcalloc(ice_hw_to_dev(hw), xlt2->count, 3469 sizeof(*xlt2->t), GFP_KERNEL); 3470 if (!xlt2->t) 3471 goto err; 3472 3473 prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF]; 3474 prof->count = blk_sizes[i].prof_tcam; 3475 prof->max_prof_id = blk_sizes[i].prof_id; 3476 prof->cdid_bits = blk_sizes[i].prof_cdid_bits; 3477 prof->t = devm_kcalloc(ice_hw_to_dev(hw), prof->count, 3478 sizeof(*prof->t), GFP_KERNEL); 3479 3480 if (!prof->t) 3481 goto err; 3482 3483 prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF]; 3484 prof_redir->count = blk_sizes[i].prof_redir; 3485 prof_redir->t = devm_kcalloc(ice_hw_to_dev(hw), 3486 prof_redir->count, 3487 sizeof(*prof_redir->t), 3488 GFP_KERNEL); 3489 3490 if (!prof_redir->t) 3491 goto err; 3492 3493 es->sid = ice_blk_sids[i][ICE_SID_ES_OFF]; 3494 es->count = blk_sizes[i].es; 3495 es->fvw = blk_sizes[i].fvw; 3496 es->t = devm_kcalloc(ice_hw_to_dev(hw), 3497 (u32)(es->count * es->fvw), 3498 sizeof(*es->t), GFP_KERNEL); 3499 if (!es->t) 3500 goto err; 3501 3502 es->ref_count = devm_kcalloc(ice_hw_to_dev(hw), es->count, 3503 sizeof(*es->ref_count), 3504 GFP_KERNEL); 3505 if (!es->ref_count) 3506 goto err; 3507 3508 es->written = devm_kcalloc(ice_hw_to_dev(hw), es->count, 3509 sizeof(*es->written), GFP_KERNEL); 3510 if (!es->written) 3511 goto err; 3512 3513 es->mask_ena = devm_kcalloc(ice_hw_to_dev(hw), es->count, 3514 sizeof(*es->mask_ena), GFP_KERNEL); 3515 if (!es->mask_ena) 3516 goto err; 3517 } 3518 return 0; 3519 3520 err: 3521 ice_free_hw_tbls(hw); 3522 return ICE_ERR_NO_MEMORY; 3523 } 3524 3525 /** 3526 * ice_prof_gen_key - generate profile ID key 3527 * @hw: pointer to the HW struct 3528 * @blk: the block in which to write profile ID to 3529 * @ptg: packet type group (PTG) portion of key 3530 * @vsig: VSIG portion of key 3531 * @cdid: CDID portion of key 3532 * @flags: flag portion of key 3533 * @vl_msk: valid mask 3534 * @dc_msk: don't care mask 3535 * @nm_msk: never match mask 3536 * @key: output of profile ID key 3537 */ 3538 static enum ice_status 3539 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig, 3540 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], 3541 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ], 3542 u8 key[ICE_TCAM_KEY_SZ]) 3543 { 3544 struct ice_prof_id_key inkey; 3545 3546 inkey.xlt1 = ptg; 3547 inkey.xlt2_cdid = cpu_to_le16(vsig); 3548 inkey.flags = cpu_to_le16(flags); 3549 3550 switch (hw->blk[blk].prof.cdid_bits) { 3551 case 0: 3552 break; 3553 case 2: 3554 #define ICE_CD_2_M 0xC000U 3555 #define ICE_CD_2_S 14 3556 inkey.xlt2_cdid &= ~cpu_to_le16(ICE_CD_2_M); 3557 inkey.xlt2_cdid |= cpu_to_le16(BIT(cdid) << ICE_CD_2_S); 3558 break; 3559 case 4: 3560 #define ICE_CD_4_M 0xF000U 3561 #define ICE_CD_4_S 12 3562 inkey.xlt2_cdid &= ~cpu_to_le16(ICE_CD_4_M); 3563 inkey.xlt2_cdid |= cpu_to_le16(BIT(cdid) << ICE_CD_4_S); 3564 break; 3565 case 8: 3566 #define ICE_CD_8_M 0xFF00U 3567 #define ICE_CD_8_S 16 3568 inkey.xlt2_cdid &= ~cpu_to_le16(ICE_CD_8_M); 3569 inkey.xlt2_cdid |= cpu_to_le16(BIT(cdid) << ICE_CD_8_S); 3570 break; 3571 default: 3572 ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n"); 3573 break; 3574 } 3575 3576 return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk, 3577 nm_msk, 0, ICE_TCAM_KEY_SZ / 2); 3578 } 3579 3580 /** 3581 * ice_tcam_write_entry - write TCAM entry 3582 * @hw: pointer to the HW struct 3583 * @blk: the block in which to write profile ID to 3584 * @idx: the entry index to write to 3585 * @prof_id: profile ID 3586 * @ptg: packet type group (PTG) portion of key 3587 * @vsig: VSIG portion of key 3588 * @cdid: CDID portion of key 3589 * @flags: flag portion of key 3590 * @vl_msk: valid mask 3591 * @dc_msk: don't care mask 3592 * @nm_msk: never match mask 3593 */ 3594 static enum ice_status 3595 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx, 3596 u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags, 3597 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], 3598 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], 3599 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ]) 3600 { 3601 struct ice_prof_tcam_entry; 3602 enum ice_status status; 3603 3604 status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk, 3605 dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key); 3606 if (!status) { 3607 hw->blk[blk].prof.t[idx].addr = cpu_to_le16(idx); 3608 hw->blk[blk].prof.t[idx].prof_id = prof_id; 3609 } 3610 3611 return status; 3612 } 3613 3614 /** 3615 * ice_vsig_get_ref - returns number of VSIs belong to a VSIG 3616 * @hw: pointer to the hardware structure 3617 * @blk: HW block 3618 * @vsig: VSIG to query 3619 * @refs: pointer to variable to receive the reference count 3620 */ 3621 static enum ice_status 3622 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs) 3623 { 3624 u16 idx = vsig & ICE_VSIG_IDX_M; 3625 struct ice_vsig_vsi *ptr; 3626 3627 *refs = 0; 3628 3629 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 3630 return ICE_ERR_DOES_NOT_EXIST; 3631 3632 ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 3633 while (ptr) { 3634 (*refs)++; 3635 ptr = ptr->next_vsi; 3636 } 3637 3638 return 0; 3639 } 3640 3641 /** 3642 * ice_has_prof_vsig - check to see if VSIG has a specific profile 3643 * @hw: pointer to the hardware structure 3644 * @blk: HW block 3645 * @vsig: VSIG to check against 3646 * @hdl: profile handle 3647 */ 3648 static bool 3649 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl) 3650 { 3651 u16 idx = vsig & ICE_VSIG_IDX_M; 3652 struct ice_vsig_prof *ent; 3653 3654 list_for_each_entry(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 3655 list) 3656 if (ent->profile_cookie == hdl) 3657 return true; 3658 3659 ice_debug(hw, ICE_DBG_INIT, "Characteristic list for VSI group %d not found.\n", 3660 vsig); 3661 return false; 3662 } 3663 3664 /** 3665 * ice_prof_bld_es - build profile ID extraction sequence changes 3666 * @hw: pointer to the HW struct 3667 * @blk: hardware block 3668 * @bld: the update package buffer build to add to 3669 * @chgs: the list of changes to make in hardware 3670 */ 3671 static enum ice_status 3672 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk, 3673 struct ice_buf_build *bld, struct list_head *chgs) 3674 { 3675 u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word); 3676 struct ice_chs_chg *tmp; 3677 3678 list_for_each_entry(tmp, chgs, list_entry) 3679 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) { 3680 u16 off = tmp->prof_id * hw->blk[blk].es.fvw; 3681 struct ice_pkg_es *p; 3682 u32 id; 3683 3684 id = ice_sect_id(blk, ICE_VEC_TBL); 3685 p = ice_pkg_buf_alloc_section(bld, id, 3686 struct_size(p, es, 1) + 3687 vec_size - 3688 sizeof(p->es[0])); 3689 3690 if (!p) 3691 return ICE_ERR_MAX_LIMIT; 3692 3693 p->count = cpu_to_le16(1); 3694 p->offset = cpu_to_le16(tmp->prof_id); 3695 3696 memcpy(p->es, &hw->blk[blk].es.t[off], vec_size); 3697 } 3698 3699 return 0; 3700 } 3701 3702 /** 3703 * ice_prof_bld_tcam - build profile ID TCAM changes 3704 * @hw: pointer to the HW struct 3705 * @blk: hardware block 3706 * @bld: the update package buffer build to add to 3707 * @chgs: the list of changes to make in hardware 3708 */ 3709 static enum ice_status 3710 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk, 3711 struct ice_buf_build *bld, struct list_head *chgs) 3712 { 3713 struct ice_chs_chg *tmp; 3714 3715 list_for_each_entry(tmp, chgs, list_entry) 3716 if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) { 3717 struct ice_prof_id_section *p; 3718 u32 id; 3719 3720 id = ice_sect_id(blk, ICE_PROF_TCAM); 3721 p = ice_pkg_buf_alloc_section(bld, id, 3722 struct_size(p, entry, 1)); 3723 3724 if (!p) 3725 return ICE_ERR_MAX_LIMIT; 3726 3727 p->count = cpu_to_le16(1); 3728 p->entry[0].addr = cpu_to_le16(tmp->tcam_idx); 3729 p->entry[0].prof_id = tmp->prof_id; 3730 3731 memcpy(p->entry[0].key, 3732 &hw->blk[blk].prof.t[tmp->tcam_idx].key, 3733 sizeof(hw->blk[blk].prof.t->key)); 3734 } 3735 3736 return 0; 3737 } 3738 3739 /** 3740 * ice_prof_bld_xlt1 - build XLT1 changes 3741 * @blk: hardware block 3742 * @bld: the update package buffer build to add to 3743 * @chgs: the list of changes to make in hardware 3744 */ 3745 static enum ice_status 3746 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld, 3747 struct list_head *chgs) 3748 { 3749 struct ice_chs_chg *tmp; 3750 3751 list_for_each_entry(tmp, chgs, list_entry) 3752 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) { 3753 struct ice_xlt1_section *p; 3754 u32 id; 3755 3756 id = ice_sect_id(blk, ICE_XLT1); 3757 p = ice_pkg_buf_alloc_section(bld, id, 3758 struct_size(p, value, 1)); 3759 3760 if (!p) 3761 return ICE_ERR_MAX_LIMIT; 3762 3763 p->count = cpu_to_le16(1); 3764 p->offset = cpu_to_le16(tmp->ptype); 3765 p->value[0] = tmp->ptg; 3766 } 3767 3768 return 0; 3769 } 3770 3771 /** 3772 * ice_prof_bld_xlt2 - build XLT2 changes 3773 * @blk: hardware block 3774 * @bld: the update package buffer build to add to 3775 * @chgs: the list of changes to make in hardware 3776 */ 3777 static enum ice_status 3778 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld, 3779 struct list_head *chgs) 3780 { 3781 struct ice_chs_chg *tmp; 3782 3783 list_for_each_entry(tmp, chgs, list_entry) { 3784 struct ice_xlt2_section *p; 3785 u32 id; 3786 3787 switch (tmp->type) { 3788 case ICE_VSIG_ADD: 3789 case ICE_VSI_MOVE: 3790 case ICE_VSIG_REM: 3791 id = ice_sect_id(blk, ICE_XLT2); 3792 p = ice_pkg_buf_alloc_section(bld, id, 3793 struct_size(p, value, 1)); 3794 3795 if (!p) 3796 return ICE_ERR_MAX_LIMIT; 3797 3798 p->count = cpu_to_le16(1); 3799 p->offset = cpu_to_le16(tmp->vsi); 3800 p->value[0] = cpu_to_le16(tmp->vsig); 3801 break; 3802 default: 3803 break; 3804 } 3805 } 3806 3807 return 0; 3808 } 3809 3810 /** 3811 * ice_upd_prof_hw - update hardware using the change list 3812 * @hw: pointer to the HW struct 3813 * @blk: hardware block 3814 * @chgs: the list of changes to make in hardware 3815 */ 3816 static enum ice_status 3817 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk, 3818 struct list_head *chgs) 3819 { 3820 struct ice_buf_build *b; 3821 struct ice_chs_chg *tmp; 3822 enum ice_status status; 3823 u16 pkg_sects; 3824 u16 xlt1 = 0; 3825 u16 xlt2 = 0; 3826 u16 tcam = 0; 3827 u16 es = 0; 3828 u16 sects; 3829 3830 /* count number of sections we need */ 3831 list_for_each_entry(tmp, chgs, list_entry) { 3832 switch (tmp->type) { 3833 case ICE_PTG_ES_ADD: 3834 if (tmp->add_ptg) 3835 xlt1++; 3836 if (tmp->add_prof) 3837 es++; 3838 break; 3839 case ICE_TCAM_ADD: 3840 tcam++; 3841 break; 3842 case ICE_VSIG_ADD: 3843 case ICE_VSI_MOVE: 3844 case ICE_VSIG_REM: 3845 xlt2++; 3846 break; 3847 default: 3848 break; 3849 } 3850 } 3851 sects = xlt1 + xlt2 + tcam + es; 3852 3853 if (!sects) 3854 return 0; 3855 3856 /* Build update package buffer */ 3857 b = ice_pkg_buf_alloc(hw); 3858 if (!b) 3859 return ICE_ERR_NO_MEMORY; 3860 3861 status = ice_pkg_buf_reserve_section(b, sects); 3862 if (status) 3863 goto error_tmp; 3864 3865 /* Preserve order of table update: ES, TCAM, PTG, VSIG */ 3866 if (es) { 3867 status = ice_prof_bld_es(hw, blk, b, chgs); 3868 if (status) 3869 goto error_tmp; 3870 } 3871 3872 if (tcam) { 3873 status = ice_prof_bld_tcam(hw, blk, b, chgs); 3874 if (status) 3875 goto error_tmp; 3876 } 3877 3878 if (xlt1) { 3879 status = ice_prof_bld_xlt1(blk, b, chgs); 3880 if (status) 3881 goto error_tmp; 3882 } 3883 3884 if (xlt2) { 3885 status = ice_prof_bld_xlt2(blk, b, chgs); 3886 if (status) 3887 goto error_tmp; 3888 } 3889 3890 /* After package buffer build check if the section count in buffer is 3891 * non-zero and matches the number of sections detected for package 3892 * update. 3893 */ 3894 pkg_sects = ice_pkg_buf_get_active_sections(b); 3895 if (!pkg_sects || pkg_sects != sects) { 3896 status = ICE_ERR_INVAL_SIZE; 3897 goto error_tmp; 3898 } 3899 3900 /* update package */ 3901 status = ice_update_pkg(hw, ice_pkg_buf(b), 1); 3902 if (status == ICE_ERR_AQ_ERROR) 3903 ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile\n"); 3904 3905 error_tmp: 3906 ice_pkg_buf_free(hw, b); 3907 return status; 3908 } 3909 3910 /** 3911 * ice_update_fd_mask - set Flow Director Field Vector mask for a profile 3912 * @hw: pointer to the HW struct 3913 * @prof_id: profile ID 3914 * @mask_sel: mask select 3915 * 3916 * This function enable any of the masks selected by the mask select parameter 3917 * for the profile specified. 3918 */ 3919 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel) 3920 { 3921 wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel); 3922 3923 ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id, 3924 GLQF_FDMASK_SEL(prof_id), mask_sel); 3925 } 3926 3927 struct ice_fd_src_dst_pair { 3928 u8 prot_id; 3929 u8 count; 3930 u16 off; 3931 }; 3932 3933 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = { 3934 /* These are defined in pairs */ 3935 { ICE_PROT_IPV4_OF_OR_S, 2, 12 }, 3936 { ICE_PROT_IPV4_OF_OR_S, 2, 16 }, 3937 3938 { ICE_PROT_IPV4_IL, 2, 12 }, 3939 { ICE_PROT_IPV4_IL, 2, 16 }, 3940 3941 { ICE_PROT_IPV6_OF_OR_S, 8, 8 }, 3942 { ICE_PROT_IPV6_OF_OR_S, 8, 24 }, 3943 3944 { ICE_PROT_IPV6_IL, 8, 8 }, 3945 { ICE_PROT_IPV6_IL, 8, 24 }, 3946 3947 { ICE_PROT_TCP_IL, 1, 0 }, 3948 { ICE_PROT_TCP_IL, 1, 2 }, 3949 3950 { ICE_PROT_UDP_OF, 1, 0 }, 3951 { ICE_PROT_UDP_OF, 1, 2 }, 3952 3953 { ICE_PROT_UDP_IL_OR_S, 1, 0 }, 3954 { ICE_PROT_UDP_IL_OR_S, 1, 2 }, 3955 3956 { ICE_PROT_SCTP_IL, 1, 0 }, 3957 { ICE_PROT_SCTP_IL, 1, 2 } 3958 }; 3959 3960 #define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs) 3961 3962 /** 3963 * ice_update_fd_swap - set register appropriately for a FD FV extraction 3964 * @hw: pointer to the HW struct 3965 * @prof_id: profile ID 3966 * @es: extraction sequence (length of array is determined by the block) 3967 */ 3968 static enum ice_status 3969 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) 3970 { 3971 DECLARE_BITMAP(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); 3972 u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 }; 3973 #define ICE_FD_FV_NOT_FOUND (-2) 3974 s8 first_free = ICE_FD_FV_NOT_FOUND; 3975 u8 used[ICE_MAX_FV_WORDS] = { 0 }; 3976 s8 orig_free, si; 3977 u32 mask_sel = 0; 3978 u8 i, j, k; 3979 3980 bitmap_zero(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); 3981 3982 /* This code assumes that the Flow Director field vectors are assigned 3983 * from the end of the FV indexes working towards the zero index, that 3984 * only complete fields will be included and will be consecutive, and 3985 * that there are no gaps between valid indexes. 3986 */ 3987 3988 /* Determine swap fields present */ 3989 for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) { 3990 /* Find the first free entry, assuming right to left population. 3991 * This is where we can start adding additional pairs if needed. 3992 */ 3993 if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id != 3994 ICE_PROT_INVALID) 3995 first_free = i - 1; 3996 3997 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) 3998 if (es[i].prot_id == ice_fd_pairs[j].prot_id && 3999 es[i].off == ice_fd_pairs[j].off) { 4000 set_bit(j, pair_list); 4001 pair_start[j] = i; 4002 } 4003 } 4004 4005 orig_free = first_free; 4006 4007 /* determine missing swap fields that need to be added */ 4008 for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) { 4009 u8 bit1 = test_bit(i + 1, pair_list); 4010 u8 bit0 = test_bit(i, pair_list); 4011 4012 if (bit0 ^ bit1) { 4013 u8 index; 4014 4015 /* add the appropriate 'paired' entry */ 4016 if (!bit0) 4017 index = i; 4018 else 4019 index = i + 1; 4020 4021 /* check for room */ 4022 if (first_free + 1 < (s8)ice_fd_pairs[index].count) 4023 return ICE_ERR_MAX_LIMIT; 4024 4025 /* place in extraction sequence */ 4026 for (k = 0; k < ice_fd_pairs[index].count; k++) { 4027 es[first_free - k].prot_id = 4028 ice_fd_pairs[index].prot_id; 4029 es[first_free - k].off = 4030 ice_fd_pairs[index].off + (k * 2); 4031 4032 if (k > first_free) 4033 return ICE_ERR_OUT_OF_RANGE; 4034 4035 /* keep track of non-relevant fields */ 4036 mask_sel |= BIT(first_free - k); 4037 } 4038 4039 pair_start[index] = first_free; 4040 first_free -= ice_fd_pairs[index].count; 4041 } 4042 } 4043 4044 /* fill in the swap array */ 4045 si = hw->blk[ICE_BLK_FD].es.fvw - 1; 4046 while (si >= 0) { 4047 u8 indexes_used = 1; 4048 4049 /* assume flat at this index */ 4050 #define ICE_SWAP_VALID 0x80 4051 used[si] = si | ICE_SWAP_VALID; 4052 4053 if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) { 4054 si -= indexes_used; 4055 continue; 4056 } 4057 4058 /* check for a swap location */ 4059 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) 4060 if (es[si].prot_id == ice_fd_pairs[j].prot_id && 4061 es[si].off == ice_fd_pairs[j].off) { 4062 u8 idx; 4063 4064 /* determine the appropriate matching field */ 4065 idx = j + ((j % 2) ? -1 : 1); 4066 4067 indexes_used = ice_fd_pairs[idx].count; 4068 for (k = 0; k < indexes_used; k++) { 4069 used[si - k] = (pair_start[idx] - k) | 4070 ICE_SWAP_VALID; 4071 } 4072 4073 break; 4074 } 4075 4076 si -= indexes_used; 4077 } 4078 4079 /* for each set of 4 swap and 4 inset indexes, write the appropriate 4080 * register 4081 */ 4082 for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) { 4083 u32 raw_swap = 0; 4084 u32 raw_in = 0; 4085 4086 for (k = 0; k < 4; k++) { 4087 u8 idx; 4088 4089 idx = (j * 4) + k; 4090 if (used[idx] && !(mask_sel & BIT(idx))) { 4091 raw_swap |= used[idx] << (k * BITS_PER_BYTE); 4092 #define ICE_INSET_DFLT 0x9f 4093 raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE); 4094 } 4095 } 4096 4097 /* write the appropriate swap register set */ 4098 wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap); 4099 4100 ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n", 4101 prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap); 4102 4103 /* write the appropriate inset register set */ 4104 wr32(hw, GLQF_FDINSET(prof_id, j), raw_in); 4105 4106 ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n", 4107 prof_id, j, GLQF_FDINSET(prof_id, j), raw_in); 4108 } 4109 4110 /* initially clear the mask select for this profile */ 4111 ice_update_fd_mask(hw, prof_id, 0); 4112 4113 return 0; 4114 } 4115 4116 /** 4117 * ice_add_prof - add profile 4118 * @hw: pointer to the HW struct 4119 * @blk: hardware block 4120 * @id: profile tracking ID 4121 * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits) 4122 * @es: extraction sequence (length of array is determined by the block) 4123 * @masks: mask for extraction sequence 4124 * 4125 * This function registers a profile, which matches a set of PTYPES with a 4126 * particular extraction sequence. While the hardware profile is allocated 4127 * it will not be written until the first call to ice_add_flow that specifies 4128 * the ID value used here. 4129 */ 4130 enum ice_status 4131 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], 4132 struct ice_fv_word *es, u16 *masks) 4133 { 4134 u32 bytes = DIV_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE); 4135 DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT); 4136 struct ice_prof_map *prof; 4137 enum ice_status status; 4138 u8 byte = 0; 4139 u8 prof_id; 4140 4141 bitmap_zero(ptgs_used, ICE_XLT1_CNT); 4142 4143 mutex_lock(&hw->blk[blk].es.prof_map_lock); 4144 4145 /* search for existing profile */ 4146 status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id); 4147 if (status) { 4148 /* allocate profile ID */ 4149 status = ice_alloc_prof_id(hw, blk, &prof_id); 4150 if (status) 4151 goto err_ice_add_prof; 4152 if (blk == ICE_BLK_FD) { 4153 /* For Flow Director block, the extraction sequence may 4154 * need to be altered in the case where there are paired 4155 * fields that have no match. This is necessary because 4156 * for Flow Director, src and dest fields need to paired 4157 * for filter programming and these values are swapped 4158 * during Tx. 4159 */ 4160 status = ice_update_fd_swap(hw, prof_id, es); 4161 if (status) 4162 goto err_ice_add_prof; 4163 } 4164 status = ice_update_prof_masking(hw, blk, prof_id, masks); 4165 if (status) 4166 goto err_ice_add_prof; 4167 4168 /* and write new es */ 4169 ice_write_es(hw, blk, prof_id, es); 4170 } 4171 4172 ice_prof_inc_ref(hw, blk, prof_id); 4173 4174 /* add profile info */ 4175 prof = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*prof), GFP_KERNEL); 4176 if (!prof) { 4177 status = ICE_ERR_NO_MEMORY; 4178 goto err_ice_add_prof; 4179 } 4180 4181 prof->profile_cookie = id; 4182 prof->prof_id = prof_id; 4183 prof->ptg_cnt = 0; 4184 prof->context = 0; 4185 4186 /* build list of ptgs */ 4187 while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) { 4188 u8 bit; 4189 4190 if (!ptypes[byte]) { 4191 bytes--; 4192 byte++; 4193 continue; 4194 } 4195 4196 /* Examine 8 bits per byte */ 4197 for_each_set_bit(bit, (unsigned long *)&ptypes[byte], 4198 BITS_PER_BYTE) { 4199 u16 ptype; 4200 u8 ptg; 4201 u8 m; 4202 4203 ptype = byte * BITS_PER_BYTE + bit; 4204 4205 /* The package should place all ptypes in a non-zero 4206 * PTG, so the following call should never fail. 4207 */ 4208 if (ice_ptg_find_ptype(hw, blk, ptype, &ptg)) 4209 continue; 4210 4211 /* If PTG is already added, skip and continue */ 4212 if (test_bit(ptg, ptgs_used)) 4213 continue; 4214 4215 set_bit(ptg, ptgs_used); 4216 prof->ptg[prof->ptg_cnt] = ptg; 4217 4218 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) 4219 break; 4220 4221 /* nothing left in byte, then exit */ 4222 m = ~(u8)((1 << (bit + 1)) - 1); 4223 if (!(ptypes[byte] & m)) 4224 break; 4225 } 4226 4227 bytes--; 4228 byte++; 4229 } 4230 4231 list_add(&prof->list, &hw->blk[blk].es.prof_map); 4232 status = 0; 4233 4234 err_ice_add_prof: 4235 mutex_unlock(&hw->blk[blk].es.prof_map_lock); 4236 return status; 4237 } 4238 4239 /** 4240 * ice_search_prof_id - Search for a profile tracking ID 4241 * @hw: pointer to the HW struct 4242 * @blk: hardware block 4243 * @id: profile tracking ID 4244 * 4245 * This will search for a profile tracking ID which was previously added. 4246 * The profile map lock should be held before calling this function. 4247 */ 4248 static struct ice_prof_map * 4249 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id) 4250 { 4251 struct ice_prof_map *entry = NULL; 4252 struct ice_prof_map *map; 4253 4254 list_for_each_entry(map, &hw->blk[blk].es.prof_map, list) 4255 if (map->profile_cookie == id) { 4256 entry = map; 4257 break; 4258 } 4259 4260 return entry; 4261 } 4262 4263 /** 4264 * ice_vsig_prof_id_count - count profiles in a VSIG 4265 * @hw: pointer to the HW struct 4266 * @blk: hardware block 4267 * @vsig: VSIG to remove the profile from 4268 */ 4269 static u16 4270 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig) 4271 { 4272 u16 idx = vsig & ICE_VSIG_IDX_M, count = 0; 4273 struct ice_vsig_prof *p; 4274 4275 list_for_each_entry(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4276 list) 4277 count++; 4278 4279 return count; 4280 } 4281 4282 /** 4283 * ice_rel_tcam_idx - release a TCAM index 4284 * @hw: pointer to the HW struct 4285 * @blk: hardware block 4286 * @idx: the index to release 4287 */ 4288 static enum ice_status 4289 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx) 4290 { 4291 /* Masks to invoke a never match entry */ 4292 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 4293 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF }; 4294 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 }; 4295 enum ice_status status; 4296 4297 /* write the TCAM entry */ 4298 status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk, 4299 dc_msk, nm_msk); 4300 if (status) 4301 return status; 4302 4303 /* release the TCAM entry */ 4304 status = ice_free_tcam_ent(hw, blk, idx); 4305 4306 return status; 4307 } 4308 4309 /** 4310 * ice_rem_prof_id - remove one profile from a VSIG 4311 * @hw: pointer to the HW struct 4312 * @blk: hardware block 4313 * @prof: pointer to profile structure to remove 4314 */ 4315 static enum ice_status 4316 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk, 4317 struct ice_vsig_prof *prof) 4318 { 4319 enum ice_status status; 4320 u16 i; 4321 4322 for (i = 0; i < prof->tcam_count; i++) 4323 if (prof->tcam[i].in_use) { 4324 prof->tcam[i].in_use = false; 4325 status = ice_rel_tcam_idx(hw, blk, 4326 prof->tcam[i].tcam_idx); 4327 if (status) 4328 return ICE_ERR_HW_TABLE; 4329 } 4330 4331 return 0; 4332 } 4333 4334 /** 4335 * ice_rem_vsig - remove VSIG 4336 * @hw: pointer to the HW struct 4337 * @blk: hardware block 4338 * @vsig: the VSIG to remove 4339 * @chg: the change list 4340 */ 4341 static enum ice_status 4342 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, 4343 struct list_head *chg) 4344 { 4345 u16 idx = vsig & ICE_VSIG_IDX_M; 4346 struct ice_vsig_vsi *vsi_cur; 4347 struct ice_vsig_prof *d, *t; 4348 enum ice_status status; 4349 4350 /* remove TCAM entries */ 4351 list_for_each_entry_safe(d, t, 4352 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4353 list) { 4354 status = ice_rem_prof_id(hw, blk, d); 4355 if (status) 4356 return status; 4357 4358 list_del(&d->list); 4359 devm_kfree(ice_hw_to_dev(hw), d); 4360 } 4361 4362 /* Move all VSIS associated with this VSIG to the default VSIG */ 4363 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 4364 /* If the VSIG has at least 1 VSI then iterate through the list 4365 * and remove the VSIs before deleting the group. 4366 */ 4367 if (vsi_cur) 4368 do { 4369 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; 4370 struct ice_chs_chg *p; 4371 4372 p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), 4373 GFP_KERNEL); 4374 if (!p) 4375 return ICE_ERR_NO_MEMORY; 4376 4377 p->type = ICE_VSIG_REM; 4378 p->orig_vsig = vsig; 4379 p->vsig = ICE_DEFAULT_VSIG; 4380 p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis; 4381 4382 list_add(&p->list_entry, chg); 4383 4384 vsi_cur = tmp; 4385 } while (vsi_cur); 4386 4387 return ice_vsig_free(hw, blk, vsig); 4388 } 4389 4390 /** 4391 * ice_rem_prof_id_vsig - remove a specific profile from a VSIG 4392 * @hw: pointer to the HW struct 4393 * @blk: hardware block 4394 * @vsig: VSIG to remove the profile from 4395 * @hdl: profile handle indicating which profile to remove 4396 * @chg: list to receive a record of changes 4397 */ 4398 static enum ice_status 4399 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, 4400 struct list_head *chg) 4401 { 4402 u16 idx = vsig & ICE_VSIG_IDX_M; 4403 struct ice_vsig_prof *p, *t; 4404 enum ice_status status; 4405 4406 list_for_each_entry_safe(p, t, 4407 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4408 list) 4409 if (p->profile_cookie == hdl) { 4410 if (ice_vsig_prof_id_count(hw, blk, vsig) == 1) 4411 /* this is the last profile, remove the VSIG */ 4412 return ice_rem_vsig(hw, blk, vsig, chg); 4413 4414 status = ice_rem_prof_id(hw, blk, p); 4415 if (!status) { 4416 list_del(&p->list); 4417 devm_kfree(ice_hw_to_dev(hw), p); 4418 } 4419 return status; 4420 } 4421 4422 return ICE_ERR_DOES_NOT_EXIST; 4423 } 4424 4425 /** 4426 * ice_rem_flow_all - remove all flows with a particular profile 4427 * @hw: pointer to the HW struct 4428 * @blk: hardware block 4429 * @id: profile tracking ID 4430 */ 4431 static enum ice_status 4432 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id) 4433 { 4434 struct ice_chs_chg *del, *tmp; 4435 enum ice_status status; 4436 struct list_head chg; 4437 u16 i; 4438 4439 INIT_LIST_HEAD(&chg); 4440 4441 for (i = 1; i < ICE_MAX_VSIGS; i++) 4442 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) { 4443 if (ice_has_prof_vsig(hw, blk, i, id)) { 4444 status = ice_rem_prof_id_vsig(hw, blk, i, id, 4445 &chg); 4446 if (status) 4447 goto err_ice_rem_flow_all; 4448 } 4449 } 4450 4451 status = ice_upd_prof_hw(hw, blk, &chg); 4452 4453 err_ice_rem_flow_all: 4454 list_for_each_entry_safe(del, tmp, &chg, list_entry) { 4455 list_del(&del->list_entry); 4456 devm_kfree(ice_hw_to_dev(hw), del); 4457 } 4458 4459 return status; 4460 } 4461 4462 /** 4463 * ice_rem_prof - remove profile 4464 * @hw: pointer to the HW struct 4465 * @blk: hardware block 4466 * @id: profile tracking ID 4467 * 4468 * This will remove the profile specified by the ID parameter, which was 4469 * previously created through ice_add_prof. If any existing entries 4470 * are associated with this profile, they will be removed as well. 4471 */ 4472 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id) 4473 { 4474 struct ice_prof_map *pmap; 4475 enum ice_status status; 4476 4477 mutex_lock(&hw->blk[blk].es.prof_map_lock); 4478 4479 pmap = ice_search_prof_id(hw, blk, id); 4480 if (!pmap) { 4481 status = ICE_ERR_DOES_NOT_EXIST; 4482 goto err_ice_rem_prof; 4483 } 4484 4485 /* remove all flows with this profile */ 4486 status = ice_rem_flow_all(hw, blk, pmap->profile_cookie); 4487 if (status) 4488 goto err_ice_rem_prof; 4489 4490 /* dereference profile, and possibly remove */ 4491 ice_prof_dec_ref(hw, blk, pmap->prof_id); 4492 4493 list_del(&pmap->list); 4494 devm_kfree(ice_hw_to_dev(hw), pmap); 4495 4496 err_ice_rem_prof: 4497 mutex_unlock(&hw->blk[blk].es.prof_map_lock); 4498 return status; 4499 } 4500 4501 /** 4502 * ice_get_prof - get profile 4503 * @hw: pointer to the HW struct 4504 * @blk: hardware block 4505 * @hdl: profile handle 4506 * @chg: change list 4507 */ 4508 static enum ice_status 4509 ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl, 4510 struct list_head *chg) 4511 { 4512 enum ice_status status = 0; 4513 struct ice_prof_map *map; 4514 struct ice_chs_chg *p; 4515 u16 i; 4516 4517 mutex_lock(&hw->blk[blk].es.prof_map_lock); 4518 /* Get the details on the profile specified by the handle ID */ 4519 map = ice_search_prof_id(hw, blk, hdl); 4520 if (!map) { 4521 status = ICE_ERR_DOES_NOT_EXIST; 4522 goto err_ice_get_prof; 4523 } 4524 4525 for (i = 0; i < map->ptg_cnt; i++) 4526 if (!hw->blk[blk].es.written[map->prof_id]) { 4527 /* add ES to change list */ 4528 p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), 4529 GFP_KERNEL); 4530 if (!p) { 4531 status = ICE_ERR_NO_MEMORY; 4532 goto err_ice_get_prof; 4533 } 4534 4535 p->type = ICE_PTG_ES_ADD; 4536 p->ptype = 0; 4537 p->ptg = map->ptg[i]; 4538 p->add_ptg = 0; 4539 4540 p->add_prof = 1; 4541 p->prof_id = map->prof_id; 4542 4543 hw->blk[blk].es.written[map->prof_id] = true; 4544 4545 list_add(&p->list_entry, chg); 4546 } 4547 4548 err_ice_get_prof: 4549 mutex_unlock(&hw->blk[blk].es.prof_map_lock); 4550 /* let caller clean up the change list */ 4551 return status; 4552 } 4553 4554 /** 4555 * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG 4556 * @hw: pointer to the HW struct 4557 * @blk: hardware block 4558 * @vsig: VSIG from which to copy the list 4559 * @lst: output list 4560 * 4561 * This routine makes a copy of the list of profiles in the specified VSIG. 4562 */ 4563 static enum ice_status 4564 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, 4565 struct list_head *lst) 4566 { 4567 struct ice_vsig_prof *ent1, *ent2; 4568 u16 idx = vsig & ICE_VSIG_IDX_M; 4569 4570 list_for_each_entry(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4571 list) { 4572 struct ice_vsig_prof *p; 4573 4574 /* copy to the input list */ 4575 p = devm_kmemdup(ice_hw_to_dev(hw), ent1, sizeof(*p), 4576 GFP_KERNEL); 4577 if (!p) 4578 goto err_ice_get_profs_vsig; 4579 4580 list_add_tail(&p->list, lst); 4581 } 4582 4583 return 0; 4584 4585 err_ice_get_profs_vsig: 4586 list_for_each_entry_safe(ent1, ent2, lst, list) { 4587 list_del(&ent1->list); 4588 devm_kfree(ice_hw_to_dev(hw), ent1); 4589 } 4590 4591 return ICE_ERR_NO_MEMORY; 4592 } 4593 4594 /** 4595 * ice_add_prof_to_lst - add profile entry to a list 4596 * @hw: pointer to the HW struct 4597 * @blk: hardware block 4598 * @lst: the list to be added to 4599 * @hdl: profile handle of entry to add 4600 */ 4601 static enum ice_status 4602 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk, 4603 struct list_head *lst, u64 hdl) 4604 { 4605 enum ice_status status = 0; 4606 struct ice_prof_map *map; 4607 struct ice_vsig_prof *p; 4608 u16 i; 4609 4610 mutex_lock(&hw->blk[blk].es.prof_map_lock); 4611 map = ice_search_prof_id(hw, blk, hdl); 4612 if (!map) { 4613 status = ICE_ERR_DOES_NOT_EXIST; 4614 goto err_ice_add_prof_to_lst; 4615 } 4616 4617 p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); 4618 if (!p) { 4619 status = ICE_ERR_NO_MEMORY; 4620 goto err_ice_add_prof_to_lst; 4621 } 4622 4623 p->profile_cookie = map->profile_cookie; 4624 p->prof_id = map->prof_id; 4625 p->tcam_count = map->ptg_cnt; 4626 4627 for (i = 0; i < map->ptg_cnt; i++) { 4628 p->tcam[i].prof_id = map->prof_id; 4629 p->tcam[i].tcam_idx = ICE_INVALID_TCAM; 4630 p->tcam[i].ptg = map->ptg[i]; 4631 } 4632 4633 list_add(&p->list, lst); 4634 4635 err_ice_add_prof_to_lst: 4636 mutex_unlock(&hw->blk[blk].es.prof_map_lock); 4637 return status; 4638 } 4639 4640 /** 4641 * ice_move_vsi - move VSI to another VSIG 4642 * @hw: pointer to the HW struct 4643 * @blk: hardware block 4644 * @vsi: the VSI to move 4645 * @vsig: the VSIG to move the VSI to 4646 * @chg: the change list 4647 */ 4648 static enum ice_status 4649 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig, 4650 struct list_head *chg) 4651 { 4652 enum ice_status status; 4653 struct ice_chs_chg *p; 4654 u16 orig_vsig; 4655 4656 p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); 4657 if (!p) 4658 return ICE_ERR_NO_MEMORY; 4659 4660 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); 4661 if (!status) 4662 status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig); 4663 4664 if (status) { 4665 devm_kfree(ice_hw_to_dev(hw), p); 4666 return status; 4667 } 4668 4669 p->type = ICE_VSI_MOVE; 4670 p->vsi = vsi; 4671 p->orig_vsig = orig_vsig; 4672 p->vsig = vsig; 4673 4674 list_add(&p->list_entry, chg); 4675 4676 return 0; 4677 } 4678 4679 /** 4680 * ice_rem_chg_tcam_ent - remove a specific TCAM entry from change list 4681 * @hw: pointer to the HW struct 4682 * @idx: the index of the TCAM entry to remove 4683 * @chg: the list of change structures to search 4684 */ 4685 static void 4686 ice_rem_chg_tcam_ent(struct ice_hw *hw, u16 idx, struct list_head *chg) 4687 { 4688 struct ice_chs_chg *pos, *tmp; 4689 4690 list_for_each_entry_safe(tmp, pos, chg, list_entry) 4691 if (tmp->type == ICE_TCAM_ADD && tmp->tcam_idx == idx) { 4692 list_del(&tmp->list_entry); 4693 devm_kfree(ice_hw_to_dev(hw), tmp); 4694 } 4695 } 4696 4697 /** 4698 * ice_prof_tcam_ena_dis - add enable or disable TCAM change 4699 * @hw: pointer to the HW struct 4700 * @blk: hardware block 4701 * @enable: true to enable, false to disable 4702 * @vsig: the VSIG of the TCAM entry 4703 * @tcam: pointer the TCAM info structure of the TCAM to disable 4704 * @chg: the change list 4705 * 4706 * This function appends an enable or disable TCAM entry in the change log 4707 */ 4708 static enum ice_status 4709 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, 4710 u16 vsig, struct ice_tcam_inf *tcam, 4711 struct list_head *chg) 4712 { 4713 enum ice_status status; 4714 struct ice_chs_chg *p; 4715 4716 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 4717 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; 4718 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; 4719 4720 /* if disabling, free the TCAM */ 4721 if (!enable) { 4722 status = ice_rel_tcam_idx(hw, blk, tcam->tcam_idx); 4723 4724 /* if we have already created a change for this TCAM entry, then 4725 * we need to remove that entry, in order to prevent writing to 4726 * a TCAM entry we no longer will have ownership of. 4727 */ 4728 ice_rem_chg_tcam_ent(hw, tcam->tcam_idx, chg); 4729 tcam->tcam_idx = 0; 4730 tcam->in_use = 0; 4731 return status; 4732 } 4733 4734 /* for re-enabling, reallocate a TCAM */ 4735 status = ice_alloc_tcam_ent(hw, blk, &tcam->tcam_idx); 4736 if (status) 4737 return status; 4738 4739 /* add TCAM to change list */ 4740 p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); 4741 if (!p) 4742 return ICE_ERR_NO_MEMORY; 4743 4744 status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id, 4745 tcam->ptg, vsig, 0, 0, vl_msk, dc_msk, 4746 nm_msk); 4747 if (status) 4748 goto err_ice_prof_tcam_ena_dis; 4749 4750 tcam->in_use = 1; 4751 4752 p->type = ICE_TCAM_ADD; 4753 p->add_tcam_idx = true; 4754 p->prof_id = tcam->prof_id; 4755 p->ptg = tcam->ptg; 4756 p->vsig = 0; 4757 p->tcam_idx = tcam->tcam_idx; 4758 4759 /* log change */ 4760 list_add(&p->list_entry, chg); 4761 4762 return 0; 4763 4764 err_ice_prof_tcam_ena_dis: 4765 devm_kfree(ice_hw_to_dev(hw), p); 4766 return status; 4767 } 4768 4769 /** 4770 * ice_adj_prof_priorities - adjust profile based on priorities 4771 * @hw: pointer to the HW struct 4772 * @blk: hardware block 4773 * @vsig: the VSIG for which to adjust profile priorities 4774 * @chg: the change list 4775 */ 4776 static enum ice_status 4777 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, 4778 struct list_head *chg) 4779 { 4780 DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT); 4781 struct ice_vsig_prof *t; 4782 enum ice_status status; 4783 u16 idx; 4784 4785 bitmap_zero(ptgs_used, ICE_XLT1_CNT); 4786 idx = vsig & ICE_VSIG_IDX_M; 4787 4788 /* Priority is based on the order in which the profiles are added. The 4789 * newest added profile has highest priority and the oldest added 4790 * profile has the lowest priority. Since the profile property list for 4791 * a VSIG is sorted from newest to oldest, this code traverses the list 4792 * in order and enables the first of each PTG that it finds (that is not 4793 * already enabled); it also disables any duplicate PTGs that it finds 4794 * in the older profiles (that are currently enabled). 4795 */ 4796 4797 list_for_each_entry(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4798 list) { 4799 u16 i; 4800 4801 for (i = 0; i < t->tcam_count; i++) { 4802 /* Scan the priorities from newest to oldest. 4803 * Make sure that the newest profiles take priority. 4804 */ 4805 if (test_bit(t->tcam[i].ptg, ptgs_used) && 4806 t->tcam[i].in_use) { 4807 /* need to mark this PTG as never match, as it 4808 * was already in use and therefore duplicate 4809 * (and lower priority) 4810 */ 4811 status = ice_prof_tcam_ena_dis(hw, blk, false, 4812 vsig, 4813 &t->tcam[i], 4814 chg); 4815 if (status) 4816 return status; 4817 } else if (!test_bit(t->tcam[i].ptg, ptgs_used) && 4818 !t->tcam[i].in_use) { 4819 /* need to enable this PTG, as it in not in use 4820 * and not enabled (highest priority) 4821 */ 4822 status = ice_prof_tcam_ena_dis(hw, blk, true, 4823 vsig, 4824 &t->tcam[i], 4825 chg); 4826 if (status) 4827 return status; 4828 } 4829 4830 /* keep track of used ptgs */ 4831 set_bit(t->tcam[i].ptg, ptgs_used); 4832 } 4833 } 4834 4835 return 0; 4836 } 4837 4838 /** 4839 * ice_add_prof_id_vsig - add profile to VSIG 4840 * @hw: pointer to the HW struct 4841 * @blk: hardware block 4842 * @vsig: the VSIG to which this profile is to be added 4843 * @hdl: the profile handle indicating the profile to add 4844 * @rev: true to add entries to the end of the list 4845 * @chg: the change list 4846 */ 4847 static enum ice_status 4848 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, 4849 bool rev, struct list_head *chg) 4850 { 4851 /* Masks that ignore flags */ 4852 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 4853 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; 4854 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; 4855 enum ice_status status = 0; 4856 struct ice_prof_map *map; 4857 struct ice_vsig_prof *t; 4858 struct ice_chs_chg *p; 4859 u16 vsig_idx, i; 4860 4861 /* Error, if this VSIG already has this profile */ 4862 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) 4863 return ICE_ERR_ALREADY_EXISTS; 4864 4865 /* new VSIG profile structure */ 4866 t = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*t), GFP_KERNEL); 4867 if (!t) 4868 return ICE_ERR_NO_MEMORY; 4869 4870 mutex_lock(&hw->blk[blk].es.prof_map_lock); 4871 /* Get the details on the profile specified by the handle ID */ 4872 map = ice_search_prof_id(hw, blk, hdl); 4873 if (!map) { 4874 status = ICE_ERR_DOES_NOT_EXIST; 4875 goto err_ice_add_prof_id_vsig; 4876 } 4877 4878 t->profile_cookie = map->profile_cookie; 4879 t->prof_id = map->prof_id; 4880 t->tcam_count = map->ptg_cnt; 4881 4882 /* create TCAM entries */ 4883 for (i = 0; i < map->ptg_cnt; i++) { 4884 u16 tcam_idx; 4885 4886 /* add TCAM to change list */ 4887 p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); 4888 if (!p) { 4889 status = ICE_ERR_NO_MEMORY; 4890 goto err_ice_add_prof_id_vsig; 4891 } 4892 4893 /* allocate the TCAM entry index */ 4894 status = ice_alloc_tcam_ent(hw, blk, &tcam_idx); 4895 if (status) { 4896 devm_kfree(ice_hw_to_dev(hw), p); 4897 goto err_ice_add_prof_id_vsig; 4898 } 4899 4900 t->tcam[i].ptg = map->ptg[i]; 4901 t->tcam[i].prof_id = map->prof_id; 4902 t->tcam[i].tcam_idx = tcam_idx; 4903 t->tcam[i].in_use = true; 4904 4905 p->type = ICE_TCAM_ADD; 4906 p->add_tcam_idx = true; 4907 p->prof_id = t->tcam[i].prof_id; 4908 p->ptg = t->tcam[i].ptg; 4909 p->vsig = vsig; 4910 p->tcam_idx = t->tcam[i].tcam_idx; 4911 4912 /* write the TCAM entry */ 4913 status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx, 4914 t->tcam[i].prof_id, 4915 t->tcam[i].ptg, vsig, 0, 0, 4916 vl_msk, dc_msk, nm_msk); 4917 if (status) { 4918 devm_kfree(ice_hw_to_dev(hw), p); 4919 goto err_ice_add_prof_id_vsig; 4920 } 4921 4922 /* log change */ 4923 list_add(&p->list_entry, chg); 4924 } 4925 4926 /* add profile to VSIG */ 4927 vsig_idx = vsig & ICE_VSIG_IDX_M; 4928 if (rev) 4929 list_add_tail(&t->list, 4930 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); 4931 else 4932 list_add(&t->list, 4933 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); 4934 4935 mutex_unlock(&hw->blk[blk].es.prof_map_lock); 4936 return status; 4937 4938 err_ice_add_prof_id_vsig: 4939 mutex_unlock(&hw->blk[blk].es.prof_map_lock); 4940 /* let caller clean up the change list */ 4941 devm_kfree(ice_hw_to_dev(hw), t); 4942 return status; 4943 } 4944 4945 /** 4946 * ice_create_prof_id_vsig - add a new VSIG with a single profile 4947 * @hw: pointer to the HW struct 4948 * @blk: hardware block 4949 * @vsi: the initial VSI that will be in VSIG 4950 * @hdl: the profile handle of the profile that will be added to the VSIG 4951 * @chg: the change list 4952 */ 4953 static enum ice_status 4954 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl, 4955 struct list_head *chg) 4956 { 4957 enum ice_status status; 4958 struct ice_chs_chg *p; 4959 u16 new_vsig; 4960 4961 p = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*p), GFP_KERNEL); 4962 if (!p) 4963 return ICE_ERR_NO_MEMORY; 4964 4965 new_vsig = ice_vsig_alloc(hw, blk); 4966 if (!new_vsig) { 4967 status = ICE_ERR_HW_TABLE; 4968 goto err_ice_create_prof_id_vsig; 4969 } 4970 4971 status = ice_move_vsi(hw, blk, vsi, new_vsig, chg); 4972 if (status) 4973 goto err_ice_create_prof_id_vsig; 4974 4975 status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, false, chg); 4976 if (status) 4977 goto err_ice_create_prof_id_vsig; 4978 4979 p->type = ICE_VSIG_ADD; 4980 p->vsi = vsi; 4981 p->orig_vsig = ICE_DEFAULT_VSIG; 4982 p->vsig = new_vsig; 4983 4984 list_add(&p->list_entry, chg); 4985 4986 return 0; 4987 4988 err_ice_create_prof_id_vsig: 4989 /* let caller clean up the change list */ 4990 devm_kfree(ice_hw_to_dev(hw), p); 4991 return status; 4992 } 4993 4994 /** 4995 * ice_create_vsig_from_lst - create a new VSIG with a list of profiles 4996 * @hw: pointer to the HW struct 4997 * @blk: hardware block 4998 * @vsi: the initial VSI that will be in VSIG 4999 * @lst: the list of profile that will be added to the VSIG 5000 * @new_vsig: return of new VSIG 5001 * @chg: the change list 5002 */ 5003 static enum ice_status 5004 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi, 5005 struct list_head *lst, u16 *new_vsig, 5006 struct list_head *chg) 5007 { 5008 struct ice_vsig_prof *t; 5009 enum ice_status status; 5010 u16 vsig; 5011 5012 vsig = ice_vsig_alloc(hw, blk); 5013 if (!vsig) 5014 return ICE_ERR_HW_TABLE; 5015 5016 status = ice_move_vsi(hw, blk, vsi, vsig, chg); 5017 if (status) 5018 return status; 5019 5020 list_for_each_entry(t, lst, list) { 5021 /* Reverse the order here since we are copying the list */ 5022 status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie, 5023 true, chg); 5024 if (status) 5025 return status; 5026 } 5027 5028 *new_vsig = vsig; 5029 5030 return 0; 5031 } 5032 5033 /** 5034 * ice_find_prof_vsig - find a VSIG with a specific profile handle 5035 * @hw: pointer to the HW struct 5036 * @blk: hardware block 5037 * @hdl: the profile handle of the profile to search for 5038 * @vsig: returns the VSIG with the matching profile 5039 */ 5040 static bool 5041 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig) 5042 { 5043 struct ice_vsig_prof *t; 5044 enum ice_status status; 5045 struct list_head lst; 5046 5047 INIT_LIST_HEAD(&lst); 5048 5049 t = kzalloc(sizeof(*t), GFP_KERNEL); 5050 if (!t) 5051 return false; 5052 5053 t->profile_cookie = hdl; 5054 list_add(&t->list, &lst); 5055 5056 status = ice_find_dup_props_vsig(hw, blk, &lst, vsig); 5057 5058 list_del(&t->list); 5059 kfree(t); 5060 5061 return !status; 5062 } 5063 5064 /** 5065 * ice_add_prof_id_flow - add profile flow 5066 * @hw: pointer to the HW struct 5067 * @blk: hardware block 5068 * @vsi: the VSI to enable with the profile specified by ID 5069 * @hdl: profile handle 5070 * 5071 * Calling this function will update the hardware tables to enable the 5072 * profile indicated by the ID parameter for the VSIs specified in the VSI 5073 * array. Once successfully called, the flow will be enabled. 5074 */ 5075 enum ice_status 5076 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) 5077 { 5078 struct ice_vsig_prof *tmp1, *del1; 5079 struct ice_chs_chg *tmp, *del; 5080 struct list_head union_lst; 5081 enum ice_status status; 5082 struct list_head chg; 5083 u16 vsig; 5084 5085 INIT_LIST_HEAD(&union_lst); 5086 INIT_LIST_HEAD(&chg); 5087 5088 /* Get profile */ 5089 status = ice_get_prof(hw, blk, hdl, &chg); 5090 if (status) 5091 return status; 5092 5093 /* determine if VSI is already part of a VSIG */ 5094 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig); 5095 if (!status && vsig) { 5096 bool only_vsi; 5097 u16 or_vsig; 5098 u16 ref; 5099 5100 /* found in VSIG */ 5101 or_vsig = vsig; 5102 5103 /* make sure that there is no overlap/conflict between the new 5104 * characteristics and the existing ones; we don't support that 5105 * scenario 5106 */ 5107 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) { 5108 status = ICE_ERR_ALREADY_EXISTS; 5109 goto err_ice_add_prof_id_flow; 5110 } 5111 5112 /* last VSI in the VSIG? */ 5113 status = ice_vsig_get_ref(hw, blk, vsig, &ref); 5114 if (status) 5115 goto err_ice_add_prof_id_flow; 5116 only_vsi = (ref == 1); 5117 5118 /* create a union of the current profiles and the one being 5119 * added 5120 */ 5121 status = ice_get_profs_vsig(hw, blk, vsig, &union_lst); 5122 if (status) 5123 goto err_ice_add_prof_id_flow; 5124 5125 status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl); 5126 if (status) 5127 goto err_ice_add_prof_id_flow; 5128 5129 /* search for an existing VSIG with an exact charc match */ 5130 status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig); 5131 if (!status) { 5132 /* move VSI to the VSIG that matches */ 5133 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 5134 if (status) 5135 goto err_ice_add_prof_id_flow; 5136 5137 /* VSI has been moved out of or_vsig. If the or_vsig had 5138 * only that VSI it is now empty and can be removed. 5139 */ 5140 if (only_vsi) { 5141 status = ice_rem_vsig(hw, blk, or_vsig, &chg); 5142 if (status) 5143 goto err_ice_add_prof_id_flow; 5144 } 5145 } else if (only_vsi) { 5146 /* If the original VSIG only contains one VSI, then it 5147 * will be the requesting VSI. In this case the VSI is 5148 * not sharing entries and we can simply add the new 5149 * profile to the VSIG. 5150 */ 5151 status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, false, 5152 &chg); 5153 if (status) 5154 goto err_ice_add_prof_id_flow; 5155 5156 /* Adjust priorities */ 5157 status = ice_adj_prof_priorities(hw, blk, vsig, &chg); 5158 if (status) 5159 goto err_ice_add_prof_id_flow; 5160 } else { 5161 /* No match, so we need a new VSIG */ 5162 status = ice_create_vsig_from_lst(hw, blk, vsi, 5163 &union_lst, &vsig, 5164 &chg); 5165 if (status) 5166 goto err_ice_add_prof_id_flow; 5167 5168 /* Adjust priorities */ 5169 status = ice_adj_prof_priorities(hw, blk, vsig, &chg); 5170 if (status) 5171 goto err_ice_add_prof_id_flow; 5172 } 5173 } else { 5174 /* need to find or add a VSIG */ 5175 /* search for an existing VSIG with an exact charc match */ 5176 if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) { 5177 /* found an exact match */ 5178 /* add or move VSI to the VSIG that matches */ 5179 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 5180 if (status) 5181 goto err_ice_add_prof_id_flow; 5182 } else { 5183 /* we did not find an exact match */ 5184 /* we need to add a VSIG */ 5185 status = ice_create_prof_id_vsig(hw, blk, vsi, hdl, 5186 &chg); 5187 if (status) 5188 goto err_ice_add_prof_id_flow; 5189 } 5190 } 5191 5192 /* update hardware */ 5193 if (!status) 5194 status = ice_upd_prof_hw(hw, blk, &chg); 5195 5196 err_ice_add_prof_id_flow: 5197 list_for_each_entry_safe(del, tmp, &chg, list_entry) { 5198 list_del(&del->list_entry); 5199 devm_kfree(ice_hw_to_dev(hw), del); 5200 } 5201 5202 list_for_each_entry_safe(del1, tmp1, &union_lst, list) { 5203 list_del(&del1->list); 5204 devm_kfree(ice_hw_to_dev(hw), del1); 5205 } 5206 5207 return status; 5208 } 5209 5210 /** 5211 * ice_rem_prof_from_list - remove a profile from list 5212 * @hw: pointer to the HW struct 5213 * @lst: list to remove the profile from 5214 * @hdl: the profile handle indicating the profile to remove 5215 */ 5216 static enum ice_status 5217 ice_rem_prof_from_list(struct ice_hw *hw, struct list_head *lst, u64 hdl) 5218 { 5219 struct ice_vsig_prof *ent, *tmp; 5220 5221 list_for_each_entry_safe(ent, tmp, lst, list) 5222 if (ent->profile_cookie == hdl) { 5223 list_del(&ent->list); 5224 devm_kfree(ice_hw_to_dev(hw), ent); 5225 return 0; 5226 } 5227 5228 return ICE_ERR_DOES_NOT_EXIST; 5229 } 5230 5231 /** 5232 * ice_rem_prof_id_flow - remove flow 5233 * @hw: pointer to the HW struct 5234 * @blk: hardware block 5235 * @vsi: the VSI from which to remove the profile specified by ID 5236 * @hdl: profile tracking handle 5237 * 5238 * Calling this function will update the hardware tables to remove the 5239 * profile indicated by the ID parameter for the VSIs specified in the VSI 5240 * array. Once successfully called, the flow will be disabled. 5241 */ 5242 enum ice_status 5243 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) 5244 { 5245 struct ice_vsig_prof *tmp1, *del1; 5246 struct ice_chs_chg *tmp, *del; 5247 struct list_head chg, copy; 5248 enum ice_status status; 5249 u16 vsig; 5250 5251 INIT_LIST_HEAD(©); 5252 INIT_LIST_HEAD(&chg); 5253 5254 /* determine if VSI is already part of a VSIG */ 5255 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig); 5256 if (!status && vsig) { 5257 bool last_profile; 5258 bool only_vsi; 5259 u16 ref; 5260 5261 /* found in VSIG */ 5262 last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1; 5263 status = ice_vsig_get_ref(hw, blk, vsig, &ref); 5264 if (status) 5265 goto err_ice_rem_prof_id_flow; 5266 only_vsi = (ref == 1); 5267 5268 if (only_vsi) { 5269 /* If the original VSIG only contains one reference, 5270 * which will be the requesting VSI, then the VSI is not 5271 * sharing entries and we can simply remove the specific 5272 * characteristics from the VSIG. 5273 */ 5274 5275 if (last_profile) { 5276 /* If there are no profiles left for this VSIG, 5277 * then simply remove the VSIG. 5278 */ 5279 status = ice_rem_vsig(hw, blk, vsig, &chg); 5280 if (status) 5281 goto err_ice_rem_prof_id_flow; 5282 } else { 5283 status = ice_rem_prof_id_vsig(hw, blk, vsig, 5284 hdl, &chg); 5285 if (status) 5286 goto err_ice_rem_prof_id_flow; 5287 5288 /* Adjust priorities */ 5289 status = ice_adj_prof_priorities(hw, blk, vsig, 5290 &chg); 5291 if (status) 5292 goto err_ice_rem_prof_id_flow; 5293 } 5294 5295 } else { 5296 /* Make a copy of the VSIG's list of Profiles */ 5297 status = ice_get_profs_vsig(hw, blk, vsig, ©); 5298 if (status) 5299 goto err_ice_rem_prof_id_flow; 5300 5301 /* Remove specified profile entry from the list */ 5302 status = ice_rem_prof_from_list(hw, ©, hdl); 5303 if (status) 5304 goto err_ice_rem_prof_id_flow; 5305 5306 if (list_empty(©)) { 5307 status = ice_move_vsi(hw, blk, vsi, 5308 ICE_DEFAULT_VSIG, &chg); 5309 if (status) 5310 goto err_ice_rem_prof_id_flow; 5311 5312 } else if (!ice_find_dup_props_vsig(hw, blk, ©, 5313 &vsig)) { 5314 /* found an exact match */ 5315 /* add or move VSI to the VSIG that matches */ 5316 /* Search for a VSIG with a matching profile 5317 * list 5318 */ 5319 5320 /* Found match, move VSI to the matching VSIG */ 5321 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 5322 if (status) 5323 goto err_ice_rem_prof_id_flow; 5324 } else { 5325 /* since no existing VSIG supports this 5326 * characteristic pattern, we need to create a 5327 * new VSIG and TCAM entries 5328 */ 5329 status = ice_create_vsig_from_lst(hw, blk, vsi, 5330 ©, &vsig, 5331 &chg); 5332 if (status) 5333 goto err_ice_rem_prof_id_flow; 5334 5335 /* Adjust priorities */ 5336 status = ice_adj_prof_priorities(hw, blk, vsig, 5337 &chg); 5338 if (status) 5339 goto err_ice_rem_prof_id_flow; 5340 } 5341 } 5342 } else { 5343 status = ICE_ERR_DOES_NOT_EXIST; 5344 } 5345 5346 /* update hardware tables */ 5347 if (!status) 5348 status = ice_upd_prof_hw(hw, blk, &chg); 5349 5350 err_ice_rem_prof_id_flow: 5351 list_for_each_entry_safe(del, tmp, &chg, list_entry) { 5352 list_del(&del->list_entry); 5353 devm_kfree(ice_hw_to_dev(hw), del); 5354 } 5355 5356 list_for_each_entry_safe(del1, tmp1, ©, list) { 5357 list_del(&del1->list); 5358 devm_kfree(ice_hw_to_dev(hw), del1); 5359 } 5360 5361 return status; 5362 } 5363