1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2021 Intel Corporation 3 */ 4 5 #include "ice_common.h" 6 #include "ice_flex_pipe.h" 7 #include "ice_protocol_type.h" 8 #include "ice_flow.h" 9 10 /* To support tunneling entries by PF, the package will append the PF number to 11 * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc. 12 */ 13 static const struct ice_tunnel_type_scan tnls[] = { 14 { TNL_VXLAN, "TNL_VXLAN_PF" }, 15 { TNL_GENEVE, "TNL_GENEVE_PF" }, 16 { TNL_ECPRI, "TNL_UDP_ECPRI_PF" }, 17 { TNL_LAST, "" } 18 }; 19 20 static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = { 21 /* SWITCH */ 22 { 23 ICE_SID_XLT0_SW, 24 ICE_SID_XLT_KEY_BUILDER_SW, 25 ICE_SID_XLT1_SW, 26 ICE_SID_XLT2_SW, 27 ICE_SID_PROFID_TCAM_SW, 28 ICE_SID_PROFID_REDIR_SW, 29 ICE_SID_FLD_VEC_SW, 30 ICE_SID_CDID_KEY_BUILDER_SW, 31 ICE_SID_CDID_REDIR_SW 32 }, 33 34 /* ACL */ 35 { 36 ICE_SID_XLT0_ACL, 37 ICE_SID_XLT_KEY_BUILDER_ACL, 38 ICE_SID_XLT1_ACL, 39 ICE_SID_XLT2_ACL, 40 ICE_SID_PROFID_TCAM_ACL, 41 ICE_SID_PROFID_REDIR_ACL, 42 ICE_SID_FLD_VEC_ACL, 43 ICE_SID_CDID_KEY_BUILDER_ACL, 44 ICE_SID_CDID_REDIR_ACL 45 }, 46 47 /* FD */ 48 { 49 ICE_SID_XLT0_FD, 50 ICE_SID_XLT_KEY_BUILDER_FD, 51 ICE_SID_XLT1_FD, 52 ICE_SID_XLT2_FD, 53 ICE_SID_PROFID_TCAM_FD, 54 ICE_SID_PROFID_REDIR_FD, 55 ICE_SID_FLD_VEC_FD, 56 ICE_SID_CDID_KEY_BUILDER_FD, 57 ICE_SID_CDID_REDIR_FD 58 }, 59 60 /* RSS */ 61 { 62 ICE_SID_XLT0_RSS, 63 ICE_SID_XLT_KEY_BUILDER_RSS, 64 ICE_SID_XLT1_RSS, 65 ICE_SID_XLT2_RSS, 66 ICE_SID_PROFID_TCAM_RSS, 67 ICE_SID_PROFID_REDIR_RSS, 68 ICE_SID_FLD_VEC_RSS, 69 ICE_SID_CDID_KEY_BUILDER_RSS, 70 ICE_SID_CDID_REDIR_RSS 71 }, 72 73 /* PE */ 74 { 75 ICE_SID_XLT0_PE, 76 ICE_SID_XLT_KEY_BUILDER_PE, 77 ICE_SID_XLT1_PE, 78 ICE_SID_XLT2_PE, 79 ICE_SID_PROFID_TCAM_PE, 80 ICE_SID_PROFID_REDIR_PE, 81 ICE_SID_FLD_VEC_PE, 82 ICE_SID_CDID_KEY_BUILDER_PE, 83 ICE_SID_CDID_REDIR_PE 84 } 85 }; 86 87 /** 88 * ice_sect_id - returns section ID 89 * @blk: block type 90 * @sect: section type 91 * 92 * This helper function returns the proper section ID given a block type and a 93 * section type. 94 */ 95 static u32 ice_sect_id(enum ice_block blk, enum ice_sect sect) 96 { 97 return ice_sect_lkup[blk][sect]; 98 } 99 100 /** 101 * ice_pkg_val_buf 102 * @buf: pointer to the ice buffer 103 * 104 * This helper function validates a buffer's header. 105 */ 106 static struct ice_buf_hdr *ice_pkg_val_buf(struct ice_buf *buf) 107 { 108 struct ice_buf_hdr *hdr; 109 u16 section_count; 110 u16 data_end; 111 112 hdr = (struct ice_buf_hdr *)buf->buf; 113 /* verify data */ 114 section_count = LE16_TO_CPU(hdr->section_count); 115 if (section_count < ICE_MIN_S_COUNT || section_count > ICE_MAX_S_COUNT) 116 return NULL; 117 118 data_end = LE16_TO_CPU(hdr->data_end); 119 if (data_end < ICE_MIN_S_DATA_END || data_end > ICE_MAX_S_DATA_END) 120 return NULL; 121 122 return hdr; 123 } 124 125 /** 126 * ice_find_buf_table 127 * @ice_seg: pointer to the ice segment 128 * 129 * Returns the address of the buffer table within the ice segment. 130 */ 131 static struct ice_buf_table *ice_find_buf_table(struct ice_seg *ice_seg) 132 { 133 struct ice_nvm_table *nvms; 134 135 nvms = (struct ice_nvm_table *) 136 (ice_seg->device_table + 137 LE32_TO_CPU(ice_seg->device_table_count)); 138 139 return (_FORCE_ struct ice_buf_table *) 140 (nvms->vers + LE32_TO_CPU(nvms->table_count)); 141 } 142 143 /** 144 * ice_pkg_enum_buf 145 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 146 * @state: pointer to the enum state 147 * 148 * This function will enumerate all the buffers in the ice segment. The first 149 * call is made with the ice_seg parameter non-NULL; on subsequent calls, 150 * ice_seg is set to NULL which continues the enumeration. When the function 151 * returns a NULL pointer, then the end of the buffers has been reached, or an 152 * unexpected value has been detected (for example an invalid section count or 153 * an invalid buffer end value). 154 */ 155 static struct ice_buf_hdr * 156 ice_pkg_enum_buf(struct ice_seg *ice_seg, struct ice_pkg_enum *state) 157 { 158 if (ice_seg) { 159 state->buf_table = ice_find_buf_table(ice_seg); 160 if (!state->buf_table) 161 return NULL; 162 163 state->buf_idx = 0; 164 return ice_pkg_val_buf(state->buf_table->buf_array); 165 } 166 167 if (++state->buf_idx < LE32_TO_CPU(state->buf_table->buf_count)) 168 return ice_pkg_val_buf(state->buf_table->buf_array + 169 state->buf_idx); 170 else 171 return NULL; 172 } 173 174 /** 175 * ice_pkg_advance_sect 176 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 177 * @state: pointer to the enum state 178 * 179 * This helper function will advance the section within the ice segment, 180 * also advancing the buffer if needed. 181 */ 182 static bool 183 ice_pkg_advance_sect(struct ice_seg *ice_seg, struct ice_pkg_enum *state) 184 { 185 if (!ice_seg && !state->buf) 186 return false; 187 188 if (!ice_seg && state->buf) 189 if (++state->sect_idx < LE16_TO_CPU(state->buf->section_count)) 190 return true; 191 192 state->buf = ice_pkg_enum_buf(ice_seg, state); 193 if (!state->buf) 194 return false; 195 196 /* start of new buffer, reset section index */ 197 state->sect_idx = 0; 198 return true; 199 } 200 201 /** 202 * ice_pkg_enum_section 203 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 204 * @state: pointer to the enum state 205 * @sect_type: section type to enumerate 206 * 207 * This function will enumerate all the sections of a particular type in the 208 * ice segment. The first call is made with the ice_seg parameter non-NULL; 209 * on subsequent calls, ice_seg is set to NULL which continues the enumeration. 210 * When the function returns a NULL pointer, then the end of the matching 211 * sections has been reached. 212 */ 213 static void * 214 ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state, 215 u32 sect_type) 216 { 217 u16 offset, size; 218 219 if (ice_seg) 220 state->type = sect_type; 221 222 if (!ice_pkg_advance_sect(ice_seg, state)) 223 return NULL; 224 225 /* scan for next matching section */ 226 while (state->buf->section_entry[state->sect_idx].type != 227 CPU_TO_LE32(state->type)) 228 if (!ice_pkg_advance_sect(NULL, state)) 229 return NULL; 230 231 /* validate section */ 232 offset = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset); 233 if (offset < ICE_MIN_S_OFF || offset > ICE_MAX_S_OFF) 234 return NULL; 235 236 size = LE16_TO_CPU(state->buf->section_entry[state->sect_idx].size); 237 if (size < ICE_MIN_S_SZ || size > ICE_MAX_S_SZ) 238 return NULL; 239 240 /* make sure the section fits in the buffer */ 241 if (offset + size > ICE_PKG_BUF_SIZE) 242 return NULL; 243 244 state->sect_type = 245 LE32_TO_CPU(state->buf->section_entry[state->sect_idx].type); 246 247 /* calc pointer to this section */ 248 state->sect = ((u8 *)state->buf) + 249 LE16_TO_CPU(state->buf->section_entry[state->sect_idx].offset); 250 251 return state->sect; 252 } 253 254 /** 255 * ice_pkg_enum_entry 256 * @ice_seg: pointer to the ice segment (or NULL on subsequent calls) 257 * @state: pointer to the enum state 258 * @sect_type: section type to enumerate 259 * @offset: pointer to variable that receives the offset in the table (optional) 260 * @handler: function that handles access to the entries into the section type 261 * 262 * This function will enumerate all the entries in particular section type in 263 * the ice segment. The first call is made with the ice_seg parameter non-NULL; 264 * on subsequent calls, ice_seg is set to NULL which continues the enumeration. 265 * When the function returns a NULL pointer, then the end of the entries has 266 * been reached. 267 * 268 * Since each section may have a different header and entry size, the handler 269 * function is needed to determine the number and location entries in each 270 * section. 271 * 272 * The offset parameter is optional, but should be used for sections that 273 * contain an offset for each section table. For such cases, the section handler 274 * function must return the appropriate offset + index to give the absolution 275 * offset for each entry. For example, if the base for a section's header 276 * indicates a base offset of 10, and the index for the entry is 2, then 277 * section handler function should set the offset to 10 + 2 = 12. 278 */ 279 static void * 280 ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state, 281 u32 sect_type, u32 *offset, 282 void *(*handler)(u32 sect_type, void *section, 283 u32 index, u32 *offset)) 284 { 285 void *entry; 286 287 if (ice_seg) { 288 if (!handler) 289 return NULL; 290 291 if (!ice_pkg_enum_section(ice_seg, state, sect_type)) 292 return NULL; 293 294 state->entry_idx = 0; 295 state->handler = handler; 296 } else { 297 state->entry_idx++; 298 } 299 300 if (!state->handler) 301 return NULL; 302 303 /* get entry */ 304 entry = state->handler(state->sect_type, state->sect, state->entry_idx, 305 offset); 306 if (!entry) { 307 /* end of a section, look for another section of this type */ 308 if (!ice_pkg_enum_section(NULL, state, 0)) 309 return NULL; 310 311 state->entry_idx = 0; 312 entry = state->handler(state->sect_type, state->sect, 313 state->entry_idx, offset); 314 } 315 316 return entry; 317 } 318 319 /** 320 * ice_hw_ptype_ena - check if the PTYPE is enabled or not 321 * @hw: pointer to the HW structure 322 * @ptype: the hardware PTYPE 323 */ 324 bool ice_hw_ptype_ena(struct ice_hw *hw, u16 ptype) 325 { 326 return ptype < ICE_FLOW_PTYPE_MAX && 327 ice_is_bit_set(hw->hw_ptype, ptype); 328 } 329 330 /** 331 * ice_marker_ptype_tcam_handler 332 * @sect_type: section type 333 * @section: pointer to section 334 * @index: index of the Marker PType TCAM entry to be returned 335 * @offset: pointer to receive absolute offset, always 0 for ptype TCAM sections 336 * 337 * This is a callback function that can be passed to ice_pkg_enum_entry. 338 * Handles enumeration of individual Marker PType TCAM entries. 339 */ 340 static void * 341 ice_marker_ptype_tcam_handler(u32 sect_type, void *section, u32 index, 342 u32 *offset) 343 { 344 struct ice_marker_ptype_tcam_section *marker_ptype; 345 346 if (!section) 347 return NULL; 348 349 if (sect_type != ICE_SID_RXPARSER_MARKER_PTYPE) 350 return NULL; 351 352 /* cppcheck-suppress nullPointer */ 353 if (index > ICE_MAX_MARKER_PTYPE_TCAMS_IN_BUF) 354 return NULL; 355 356 if (offset) 357 *offset = 0; 358 359 marker_ptype = (struct ice_marker_ptype_tcam_section *)section; 360 if (index >= LE16_TO_CPU(marker_ptype->count)) 361 return NULL; 362 363 return marker_ptype->tcam + index; 364 } 365 366 /** 367 * ice_fill_hw_ptype - fill the enabled PTYPE bit information 368 * @hw: pointer to the HW structure 369 */ 370 static void 371 ice_fill_hw_ptype(struct ice_hw *hw) 372 { 373 struct ice_marker_ptype_tcam_entry *tcam; 374 struct ice_seg *seg = hw->seg; 375 struct ice_pkg_enum state; 376 377 ice_zero_bitmap(hw->hw_ptype, ICE_FLOW_PTYPE_MAX); 378 if (!seg) 379 return; 380 381 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 382 383 do { 384 tcam = (struct ice_marker_ptype_tcam_entry *) 385 ice_pkg_enum_entry(seg, &state, 386 ICE_SID_RXPARSER_MARKER_PTYPE, NULL, 387 ice_marker_ptype_tcam_handler); 388 if (tcam && 389 LE16_TO_CPU(tcam->addr) < ICE_MARKER_PTYPE_TCAM_ADDR_MAX && 390 LE16_TO_CPU(tcam->ptype) < ICE_FLOW_PTYPE_MAX) 391 ice_set_bit(LE16_TO_CPU(tcam->ptype), hw->hw_ptype); 392 393 seg = NULL; 394 } while (tcam); 395 } 396 397 /** 398 * ice_boost_tcam_handler 399 * @sect_type: section type 400 * @section: pointer to section 401 * @index: index of the boost TCAM entry to be returned 402 * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections 403 * 404 * This is a callback function that can be passed to ice_pkg_enum_entry. 405 * Handles enumeration of individual boost TCAM entries. 406 */ 407 static void * 408 ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset) 409 { 410 struct ice_boost_tcam_section *boost; 411 412 if (!section) 413 return NULL; 414 415 if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM) 416 return NULL; 417 418 if (index > ICE_MAX_BST_TCAMS_IN_BUF) 419 return NULL; 420 421 if (offset) 422 *offset = 0; 423 424 boost = (struct ice_boost_tcam_section *)section; 425 if (index >= LE16_TO_CPU(boost->count)) 426 return NULL; 427 428 return boost->tcam + index; 429 } 430 431 /** 432 * ice_find_boost_entry 433 * @ice_seg: pointer to the ice segment (non-NULL) 434 * @addr: Boost TCAM address of entry to search for 435 * @entry: returns pointer to the entry 436 * 437 * Finds a particular Boost TCAM entry and returns a pointer to that entry 438 * if it is found. The ice_seg parameter must not be NULL since the first call 439 * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure. 440 */ 441 static enum ice_status 442 ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr, 443 struct ice_boost_tcam_entry **entry) 444 { 445 struct ice_boost_tcam_entry *tcam; 446 struct ice_pkg_enum state; 447 448 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 449 450 if (!ice_seg) 451 return ICE_ERR_PARAM; 452 453 do { 454 tcam = (struct ice_boost_tcam_entry *) 455 ice_pkg_enum_entry(ice_seg, &state, 456 ICE_SID_RXPARSER_BOOST_TCAM, NULL, 457 ice_boost_tcam_handler); 458 if (tcam && LE16_TO_CPU(tcam->addr) == addr) { 459 *entry = tcam; 460 return ICE_SUCCESS; 461 } 462 463 ice_seg = NULL; 464 } while (tcam); 465 466 *entry = NULL; 467 return ICE_ERR_CFG; 468 } 469 470 /** 471 * ice_label_enum_handler 472 * @sect_type: section type 473 * @section: pointer to section 474 * @index: index of the label entry to be returned 475 * @offset: pointer to receive absolute offset, always zero for label sections 476 * 477 * This is a callback function that can be passed to ice_pkg_enum_entry. 478 * Handles enumeration of individual label entries. 479 */ 480 static void * 481 ice_label_enum_handler(u32 __ALWAYS_UNUSED sect_type, void *section, u32 index, 482 u32 *offset) 483 { 484 struct ice_label_section *labels; 485 486 if (!section) 487 return NULL; 488 489 if (index > ICE_MAX_LABELS_IN_BUF) 490 return NULL; 491 492 if (offset) 493 *offset = 0; 494 495 labels = (struct ice_label_section *)section; 496 if (index >= LE16_TO_CPU(labels->count)) 497 return NULL; 498 499 return labels->label + index; 500 } 501 502 /** 503 * ice_enum_labels 504 * @ice_seg: pointer to the ice segment (NULL on subsequent calls) 505 * @type: the section type that will contain the label (0 on subsequent calls) 506 * @state: ice_pkg_enum structure that will hold the state of the enumeration 507 * @value: pointer to a value that will return the label's value if found 508 * 509 * Enumerates a list of labels in the package. The caller will call 510 * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call 511 * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL 512 * the end of the list has been reached. 513 */ 514 static char * 515 ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state, 516 u16 *value) 517 { 518 struct ice_label *label; 519 520 /* Check for valid label section on first call */ 521 if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST)) 522 return NULL; 523 524 label = (struct ice_label *)ice_pkg_enum_entry(ice_seg, state, type, 525 NULL, 526 ice_label_enum_handler); 527 if (!label) 528 return NULL; 529 530 *value = LE16_TO_CPU(label->value); 531 return label->name; 532 } 533 534 /** 535 * ice_init_pkg_hints 536 * @hw: pointer to the HW structure 537 * @ice_seg: pointer to the segment of the package scan (non-NULL) 538 * 539 * This function will scan the package and save off relevant information 540 * (hints or metadata) for driver use. The ice_seg parameter must not be NULL 541 * since the first call to ice_enum_labels requires a pointer to an actual 542 * ice_seg structure. 543 */ 544 static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg) 545 { 546 struct ice_pkg_enum state; 547 char *label_name; 548 u16 val; 549 int i; 550 551 ice_memset(&hw->tnl, 0, sizeof(hw->tnl), ICE_NONDMA_MEM); 552 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 553 554 if (!ice_seg) 555 return; 556 557 label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state, 558 &val); 559 560 while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) { 561 for (i = 0; tnls[i].type != TNL_LAST; i++) { 562 size_t len = strlen(tnls[i].label_prefix); 563 564 /* Look for matching label start, before continuing */ 565 if (strncmp(label_name, tnls[i].label_prefix, len)) 566 continue; 567 568 /* Make sure this label matches our PF. Note that the PF 569 * character ('0' - '7') will be located where our 570 * prefix string's null terminator is located. 571 */ 572 if ((label_name[len] - '0') == hw->pf_id) { 573 hw->tnl.tbl[hw->tnl.count].type = tnls[i].type; 574 hw->tnl.tbl[hw->tnl.count].valid = false; 575 hw->tnl.tbl[hw->tnl.count].in_use = false; 576 hw->tnl.tbl[hw->tnl.count].marked = false; 577 hw->tnl.tbl[hw->tnl.count].boost_addr = val; 578 hw->tnl.tbl[hw->tnl.count].port = 0; 579 hw->tnl.count++; 580 break; 581 } 582 } 583 584 label_name = ice_enum_labels(NULL, 0, &state, &val); 585 } 586 587 /* Cache the appropriate boost TCAM entry pointers */ 588 for (i = 0; i < hw->tnl.count; i++) { 589 ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr, 590 &hw->tnl.tbl[i].boost_entry); 591 if (hw->tnl.tbl[i].boost_entry) 592 hw->tnl.tbl[i].valid = true; 593 } 594 } 595 596 /* Key creation */ 597 598 #define ICE_DC_KEY 0x1 /* don't care */ 599 #define ICE_DC_KEYINV 0x1 600 #define ICE_NM_KEY 0x0 /* never match */ 601 #define ICE_NM_KEYINV 0x0 602 #define ICE_0_KEY 0x1 /* match 0 */ 603 #define ICE_0_KEYINV 0x0 604 #define ICE_1_KEY 0x0 /* match 1 */ 605 #define ICE_1_KEYINV 0x1 606 607 /** 608 * ice_gen_key_word - generate 16-bits of a key/mask word 609 * @val: the value 610 * @valid: valid bits mask (change only the valid bits) 611 * @dont_care: don't care mask 612 * @nvr_mtch: never match mask 613 * @key: pointer to an array of where the resulting key portion 614 * @key_inv: pointer to an array of where the resulting key invert portion 615 * 616 * This function generates 16-bits from a 8-bit value, an 8-bit don't care mask 617 * and an 8-bit never match mask. The 16-bits of output are divided into 8 bits 618 * of key and 8 bits of key invert. 619 * 620 * '0' = b01, always match a 0 bit 621 * '1' = b10, always match a 1 bit 622 * '?' = b11, don't care bit (always matches) 623 * '~' = b00, never match bit 624 * 625 * Input: 626 * val: b0 1 0 1 0 1 627 * dont_care: b0 0 1 1 0 0 628 * never_mtch: b0 0 0 0 1 1 629 * ------------------------------ 630 * Result: key: b01 10 11 11 00 00 631 */ 632 static enum ice_status 633 ice_gen_key_word(u8 val, u8 valid, u8 dont_care, u8 nvr_mtch, u8 *key, 634 u8 *key_inv) 635 { 636 u8 in_key = *key, in_key_inv = *key_inv; 637 u8 i; 638 639 /* 'dont_care' and 'nvr_mtch' masks cannot overlap */ 640 if ((dont_care ^ nvr_mtch) != (dont_care | nvr_mtch)) 641 return ICE_ERR_CFG; 642 643 *key = 0; 644 *key_inv = 0; 645 646 /* encode the 8 bits into 8-bit key and 8-bit key invert */ 647 for (i = 0; i < 8; i++) { 648 *key >>= 1; 649 *key_inv >>= 1; 650 651 if (!(valid & 0x1)) { /* change only valid bits */ 652 *key |= (in_key & 0x1) << 7; 653 *key_inv |= (in_key_inv & 0x1) << 7; 654 } else if (dont_care & 0x1) { /* don't care bit */ 655 *key |= ICE_DC_KEY << 7; 656 *key_inv |= ICE_DC_KEYINV << 7; 657 } else if (nvr_mtch & 0x1) { /* never match bit */ 658 *key |= ICE_NM_KEY << 7; 659 *key_inv |= ICE_NM_KEYINV << 7; 660 } else if (val & 0x01) { /* exact 1 match */ 661 *key |= ICE_1_KEY << 7; 662 *key_inv |= ICE_1_KEYINV << 7; 663 } else { /* exact 0 match */ 664 *key |= ICE_0_KEY << 7; 665 *key_inv |= ICE_0_KEYINV << 7; 666 } 667 668 dont_care >>= 1; 669 nvr_mtch >>= 1; 670 valid >>= 1; 671 val >>= 1; 672 in_key >>= 1; 673 in_key_inv >>= 1; 674 } 675 676 return ICE_SUCCESS; 677 } 678 679 /** 680 * ice_bits_max_set - determine if the number of bits set is within a maximum 681 * @mask: pointer to the byte array which is the mask 682 * @size: the number of bytes in the mask 683 * @max: the max number of set bits 684 * 685 * This function determines if there are at most 'max' number of bits set in an 686 * array. Returns true if the number for bits set is <= max or will return false 687 * otherwise. 688 */ 689 static bool ice_bits_max_set(const u8 *mask, u16 size, u16 max) 690 { 691 u16 count = 0; 692 u16 i; 693 694 /* check each byte */ 695 for (i = 0; i < size; i++) { 696 /* if 0, go to next byte */ 697 if (!mask[i]) 698 continue; 699 700 /* We know there is at least one set bit in this byte because of 701 * the above check; if we already have found 'max' number of 702 * bits set, then we can return failure now. 703 */ 704 if (count == max) 705 return false; 706 707 /* count the bits in this byte, checking threshold */ 708 count += ice_hweight8(mask[i]); 709 if (count > max) 710 return false; 711 } 712 713 return true; 714 } 715 716 /** 717 * ice_set_key - generate a variable sized key with multiples of 16-bits 718 * @key: pointer to where the key will be stored 719 * @size: the size of the complete key in bytes (must be even) 720 * @val: array of 8-bit values that makes up the value portion of the key 721 * @upd: array of 8-bit masks that determine what key portion to update 722 * @dc: array of 8-bit masks that make up the don't care mask 723 * @nm: array of 8-bit masks that make up the never match mask 724 * @off: the offset of the first byte in the key to update 725 * @len: the number of bytes in the key update 726 * 727 * This function generates a key from a value, a don't care mask and a never 728 * match mask. 729 * upd, dc, and nm are optional parameters, and can be NULL: 730 * upd == NULL --> upd mask is all 1's (update all bits) 731 * dc == NULL --> dc mask is all 0's (no don't care bits) 732 * nm == NULL --> nm mask is all 0's (no never match bits) 733 */ 734 enum ice_status 735 ice_set_key(u8 *key, u16 size, u8 *val, u8 *upd, u8 *dc, u8 *nm, u16 off, 736 u16 len) 737 { 738 u16 half_size; 739 u16 i; 740 741 /* size must be a multiple of 2 bytes. */ 742 if (size % 2) 743 return ICE_ERR_CFG; 744 half_size = size / 2; 745 746 if (off + len > half_size) 747 return ICE_ERR_CFG; 748 749 /* Make sure at most one bit is set in the never match mask. Having more 750 * than one never match mask bit set will cause HW to consume excessive 751 * power otherwise; this is a power management efficiency check. 752 */ 753 #define ICE_NVR_MTCH_BITS_MAX 1 754 if (nm && !ice_bits_max_set(nm, len, ICE_NVR_MTCH_BITS_MAX)) 755 return ICE_ERR_CFG; 756 757 for (i = 0; i < len; i++) 758 if (ice_gen_key_word(val[i], upd ? upd[i] : 0xff, 759 dc ? dc[i] : 0, nm ? nm[i] : 0, 760 key + off + i, key + half_size + off + i)) 761 return ICE_ERR_CFG; 762 763 return ICE_SUCCESS; 764 } 765 766 /** 767 * ice_acquire_global_cfg_lock 768 * @hw: pointer to the HW structure 769 * @access: access type (read or write) 770 * 771 * This function will request ownership of the global config lock for reading 772 * or writing of the package. When attempting to obtain write access, the 773 * caller must check for the following two return values: 774 * 775 * ICE_SUCCESS - Means the caller has acquired the global config lock 776 * and can perform writing of the package. 777 * ICE_ERR_AQ_NO_WORK - Indicates another driver has already written the 778 * package or has found that no update was necessary; in 779 * this case, the caller can just skip performing any 780 * update of the package. 781 */ 782 static enum ice_status 783 ice_acquire_global_cfg_lock(struct ice_hw *hw, 784 enum ice_aq_res_access_type access) 785 { 786 enum ice_status status; 787 788 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 789 790 status = ice_acquire_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID, access, 791 ICE_GLOBAL_CFG_LOCK_TIMEOUT); 792 793 if (status == ICE_ERR_AQ_NO_WORK) 794 ice_debug(hw, ICE_DBG_PKG, "Global config lock: No work to do\n"); 795 796 return status; 797 } 798 799 /** 800 * ice_release_global_cfg_lock 801 * @hw: pointer to the HW structure 802 * 803 * This function will release the global config lock. 804 */ 805 static void ice_release_global_cfg_lock(struct ice_hw *hw) 806 { 807 ice_release_res(hw, ICE_GLOBAL_CFG_LOCK_RES_ID); 808 } 809 810 /** 811 * ice_acquire_change_lock 812 * @hw: pointer to the HW structure 813 * @access: access type (read or write) 814 * 815 * This function will request ownership of the change lock. 816 */ 817 enum ice_status 818 ice_acquire_change_lock(struct ice_hw *hw, enum ice_aq_res_access_type access) 819 { 820 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 821 822 return ice_acquire_res(hw, ICE_CHANGE_LOCK_RES_ID, access, 823 ICE_CHANGE_LOCK_TIMEOUT); 824 } 825 826 /** 827 * ice_release_change_lock 828 * @hw: pointer to the HW structure 829 * 830 * This function will release the change lock using the proper Admin Command. 831 */ 832 void ice_release_change_lock(struct ice_hw *hw) 833 { 834 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 835 836 ice_release_res(hw, ICE_CHANGE_LOCK_RES_ID); 837 } 838 839 /** 840 * ice_aq_download_pkg 841 * @hw: pointer to the hardware structure 842 * @pkg_buf: the package buffer to transfer 843 * @buf_size: the size of the package buffer 844 * @last_buf: last buffer indicator 845 * @error_offset: returns error offset 846 * @error_info: returns error information 847 * @cd: pointer to command details structure or NULL 848 * 849 * Download Package (0x0C40) 850 */ 851 static enum ice_status 852 ice_aq_download_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, 853 u16 buf_size, bool last_buf, u32 *error_offset, 854 u32 *error_info, struct ice_sq_cd *cd) 855 { 856 struct ice_aqc_download_pkg *cmd; 857 struct ice_aq_desc desc; 858 enum ice_status status; 859 860 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 861 862 if (error_offset) 863 *error_offset = 0; 864 if (error_info) 865 *error_info = 0; 866 867 cmd = &desc.params.download_pkg; 868 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_download_pkg); 869 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 870 871 if (last_buf) 872 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; 873 874 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 875 if (status == ICE_ERR_AQ_ERROR) { 876 /* Read error from buffer only when the FW returned an error */ 877 struct ice_aqc_download_pkg_resp *resp; 878 879 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; 880 if (error_offset) 881 *error_offset = LE32_TO_CPU(resp->error_offset); 882 if (error_info) 883 *error_info = LE32_TO_CPU(resp->error_info); 884 } 885 886 return status; 887 } 888 889 /** 890 * ice_aq_upload_section 891 * @hw: pointer to the hardware structure 892 * @pkg_buf: the package buffer which will receive the section 893 * @buf_size: the size of the package buffer 894 * @cd: pointer to command details structure or NULL 895 * 896 * Upload Section (0x0C41) 897 */ 898 enum ice_status 899 ice_aq_upload_section(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, 900 u16 buf_size, struct ice_sq_cd *cd) 901 { 902 struct ice_aq_desc desc; 903 904 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 905 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_upload_section); 906 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 907 908 return ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 909 } 910 911 /** 912 * ice_aq_update_pkg 913 * @hw: pointer to the hardware structure 914 * @pkg_buf: the package cmd buffer 915 * @buf_size: the size of the package cmd buffer 916 * @last_buf: last buffer indicator 917 * @error_offset: returns error offset 918 * @error_info: returns error information 919 * @cd: pointer to command details structure or NULL 920 * 921 * Update Package (0x0C42) 922 */ 923 static enum ice_status 924 ice_aq_update_pkg(struct ice_hw *hw, struct ice_buf_hdr *pkg_buf, u16 buf_size, 925 bool last_buf, u32 *error_offset, u32 *error_info, 926 struct ice_sq_cd *cd) 927 { 928 struct ice_aqc_download_pkg *cmd; 929 struct ice_aq_desc desc; 930 enum ice_status status; 931 932 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 933 934 if (error_offset) 935 *error_offset = 0; 936 if (error_info) 937 *error_info = 0; 938 939 cmd = &desc.params.download_pkg; 940 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_pkg); 941 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD); 942 943 if (last_buf) 944 cmd->flags |= ICE_AQC_DOWNLOAD_PKG_LAST_BUF; 945 946 status = ice_aq_send_cmd(hw, &desc, pkg_buf, buf_size, cd); 947 if (status == ICE_ERR_AQ_ERROR) { 948 /* Read error from buffer only when the FW returned an error */ 949 struct ice_aqc_download_pkg_resp *resp; 950 951 resp = (struct ice_aqc_download_pkg_resp *)pkg_buf; 952 if (error_offset) 953 *error_offset = LE32_TO_CPU(resp->error_offset); 954 if (error_info) 955 *error_info = LE32_TO_CPU(resp->error_info); 956 } 957 958 return status; 959 } 960 961 /** 962 * ice_find_seg_in_pkg 963 * @hw: pointer to the hardware structure 964 * @seg_type: the segment type to search for (i.e., SEGMENT_TYPE_CPK) 965 * @pkg_hdr: pointer to the package header to be searched 966 * 967 * This function searches a package file for a particular segment type. On 968 * success it returns a pointer to the segment header, otherwise it will 969 * return NULL. 970 */ 971 static struct ice_generic_seg_hdr * 972 ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type, 973 struct ice_pkg_hdr *pkg_hdr) 974 { 975 u32 i; 976 977 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 978 ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n", 979 pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor, 980 pkg_hdr->pkg_format_ver.update, 981 pkg_hdr->pkg_format_ver.draft); 982 983 /* Search all package segments for the requested segment type */ 984 for (i = 0; i < LE32_TO_CPU(pkg_hdr->seg_count); i++) { 985 struct ice_generic_seg_hdr *seg; 986 987 seg = (struct ice_generic_seg_hdr *) 988 ((u8 *)pkg_hdr + LE32_TO_CPU(pkg_hdr->seg_offset[i])); 989 990 if (LE32_TO_CPU(seg->seg_type) == seg_type) 991 return seg; 992 } 993 994 return NULL; 995 } 996 997 /** 998 * ice_update_pkg 999 * @hw: pointer to the hardware structure 1000 * @bufs: pointer to an array of buffers 1001 * @count: the number of buffers in the array 1002 * 1003 * Obtains change lock and updates package. 1004 */ 1005 enum ice_status 1006 ice_update_pkg(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 1007 { 1008 enum ice_status status; 1009 u32 offset, info, i; 1010 1011 status = ice_acquire_change_lock(hw, ICE_RES_WRITE); 1012 if (status) 1013 return status; 1014 1015 for (i = 0; i < count; i++) { 1016 struct ice_buf_hdr *bh = (struct ice_buf_hdr *)(bufs + i); 1017 bool last = ((i + 1) == count); 1018 1019 status = ice_aq_update_pkg(hw, bh, LE16_TO_CPU(bh->data_end), 1020 last, &offset, &info, NULL); 1021 1022 if (status) { 1023 ice_debug(hw, ICE_DBG_PKG, "Update pkg failed: err %d off %d inf %d\n", 1024 status, offset, info); 1025 break; 1026 } 1027 } 1028 1029 ice_release_change_lock(hw); 1030 1031 return status; 1032 } 1033 1034 /** 1035 * ice_dwnld_cfg_bufs 1036 * @hw: pointer to the hardware structure 1037 * @bufs: pointer to an array of buffers 1038 * @count: the number of buffers in the array 1039 * 1040 * Obtains global config lock and downloads the package configuration buffers 1041 * to the firmware. Metadata buffers are skipped, and the first metadata buffer 1042 * found indicates that the rest of the buffers are all metadata buffers. 1043 */ 1044 static enum ice_status 1045 ice_dwnld_cfg_bufs(struct ice_hw *hw, struct ice_buf *bufs, u32 count) 1046 { 1047 enum ice_status status; 1048 struct ice_buf_hdr *bh; 1049 u32 offset, info, i; 1050 1051 if (!bufs || !count) 1052 return ICE_ERR_PARAM; 1053 1054 /* If the first buffer's first section has its metadata bit set 1055 * then there are no buffers to be downloaded, and the operation is 1056 * considered a success. 1057 */ 1058 bh = (struct ice_buf_hdr *)bufs; 1059 if (LE32_TO_CPU(bh->section_entry[0].type) & ICE_METADATA_BUF) 1060 return ICE_SUCCESS; 1061 1062 /* reset pkg_dwnld_status in case this function is called in the 1063 * reset/rebuild flow 1064 */ 1065 hw->pkg_dwnld_status = ICE_AQ_RC_OK; 1066 1067 status = ice_acquire_global_cfg_lock(hw, ICE_RES_WRITE); 1068 if (status) { 1069 if (status == ICE_ERR_AQ_NO_WORK) 1070 hw->pkg_dwnld_status = ICE_AQ_RC_EEXIST; 1071 else 1072 hw->pkg_dwnld_status = hw->adminq.sq_last_status; 1073 return status; 1074 } 1075 1076 for (i = 0; i < count; i++) { 1077 bool last = ((i + 1) == count); 1078 1079 if (!last) { 1080 /* check next buffer for metadata flag */ 1081 bh = (struct ice_buf_hdr *)(bufs + i + 1); 1082 1083 /* A set metadata flag in the next buffer will signal 1084 * that the current buffer will be the last buffer 1085 * downloaded 1086 */ 1087 if (LE16_TO_CPU(bh->section_count)) 1088 if (LE32_TO_CPU(bh->section_entry[0].type) & 1089 ICE_METADATA_BUF) 1090 last = true; 1091 } 1092 1093 bh = (struct ice_buf_hdr *)(bufs + i); 1094 1095 status = ice_aq_download_pkg(hw, bh, ICE_PKG_BUF_SIZE, last, 1096 &offset, &info, NULL); 1097 1098 /* Save AQ status from download package */ 1099 hw->pkg_dwnld_status = hw->adminq.sq_last_status; 1100 if (status) { 1101 ice_debug(hw, ICE_DBG_PKG, "Pkg download failed: err %d off %d inf %d\n", 1102 status, offset, info); 1103 break; 1104 } 1105 1106 if (last) 1107 break; 1108 } 1109 1110 if (!status) { 1111 status = ice_set_vlan_mode(hw); 1112 if (status) 1113 ice_debug(hw, ICE_DBG_PKG, "Failed to set VLAN mode: err %d\n", 1114 status); 1115 } 1116 1117 ice_release_global_cfg_lock(hw); 1118 1119 return status; 1120 } 1121 1122 /** 1123 * ice_aq_get_pkg_info_list 1124 * @hw: pointer to the hardware structure 1125 * @pkg_info: the buffer which will receive the information list 1126 * @buf_size: the size of the pkg_info information buffer 1127 * @cd: pointer to command details structure or NULL 1128 * 1129 * Get Package Info List (0x0C43) 1130 */ 1131 static enum ice_status 1132 ice_aq_get_pkg_info_list(struct ice_hw *hw, 1133 struct ice_aqc_get_pkg_info_resp *pkg_info, 1134 u16 buf_size, struct ice_sq_cd *cd) 1135 { 1136 struct ice_aq_desc desc; 1137 1138 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1139 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_pkg_info_list); 1140 1141 return ice_aq_send_cmd(hw, &desc, pkg_info, buf_size, cd); 1142 } 1143 1144 /** 1145 * ice_download_pkg 1146 * @hw: pointer to the hardware structure 1147 * @ice_seg: pointer to the segment of the package to be downloaded 1148 * 1149 * Handles the download of a complete package. 1150 */ 1151 static enum ice_status 1152 ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg) 1153 { 1154 struct ice_buf_table *ice_buf_tbl; 1155 enum ice_status status; 1156 1157 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1158 ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n", 1159 ice_seg->hdr.seg_format_ver.major, 1160 ice_seg->hdr.seg_format_ver.minor, 1161 ice_seg->hdr.seg_format_ver.update, 1162 ice_seg->hdr.seg_format_ver.draft); 1163 1164 ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n", 1165 LE32_TO_CPU(ice_seg->hdr.seg_type), 1166 LE32_TO_CPU(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id); 1167 1168 ice_buf_tbl = ice_find_buf_table(ice_seg); 1169 1170 ice_debug(hw, ICE_DBG_PKG, "Seg buf count: %d\n", 1171 LE32_TO_CPU(ice_buf_tbl->buf_count)); 1172 1173 status = ice_dwnld_cfg_bufs(hw, ice_buf_tbl->buf_array, 1174 LE32_TO_CPU(ice_buf_tbl->buf_count)); 1175 1176 ice_cache_vlan_mode(hw); 1177 1178 return status; 1179 } 1180 1181 /** 1182 * ice_init_pkg_info 1183 * @hw: pointer to the hardware structure 1184 * @pkg_hdr: pointer to the driver's package hdr 1185 * 1186 * Saves off the package details into the HW structure. 1187 */ 1188 static enum ice_status 1189 ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr) 1190 { 1191 struct ice_generic_seg_hdr *seg_hdr; 1192 1193 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1194 if (!pkg_hdr) 1195 return ICE_ERR_PARAM; 1196 1197 seg_hdr = (struct ice_generic_seg_hdr *) 1198 ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr); 1199 if (seg_hdr) { 1200 struct ice_meta_sect *meta; 1201 struct ice_pkg_enum state; 1202 1203 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1204 1205 /* Get package information from the Metadata Section */ 1206 meta = (struct ice_meta_sect *) 1207 ice_pkg_enum_section((struct ice_seg *)seg_hdr, &state, 1208 ICE_SID_METADATA); 1209 if (!meta) { 1210 ice_debug(hw, ICE_DBG_INIT, "Did not find ice metadata section in package\n"); 1211 return ICE_ERR_CFG; 1212 } 1213 1214 hw->pkg_ver = meta->ver; 1215 ice_memcpy(hw->pkg_name, meta->name, sizeof(meta->name), 1216 ICE_NONDMA_TO_NONDMA); 1217 1218 ice_debug(hw, ICE_DBG_PKG, "Pkg: %d.%d.%d.%d, %s\n", 1219 meta->ver.major, meta->ver.minor, meta->ver.update, 1220 meta->ver.draft, meta->name); 1221 1222 hw->ice_seg_fmt_ver = seg_hdr->seg_format_ver; 1223 ice_memcpy(hw->ice_seg_id, seg_hdr->seg_id, 1224 sizeof(hw->ice_seg_id), ICE_NONDMA_TO_NONDMA); 1225 1226 ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n", 1227 seg_hdr->seg_format_ver.major, 1228 seg_hdr->seg_format_ver.minor, 1229 seg_hdr->seg_format_ver.update, 1230 seg_hdr->seg_format_ver.draft, 1231 seg_hdr->seg_id); 1232 } else { 1233 ice_debug(hw, ICE_DBG_INIT, "Did not find ice segment in driver package\n"); 1234 return ICE_ERR_CFG; 1235 } 1236 1237 return ICE_SUCCESS; 1238 } 1239 1240 /** 1241 * ice_get_pkg_info 1242 * @hw: pointer to the hardware structure 1243 * 1244 * Store details of the package currently loaded in HW into the HW structure. 1245 */ 1246 static enum ice_status ice_get_pkg_info(struct ice_hw *hw) 1247 { 1248 struct ice_aqc_get_pkg_info_resp *pkg_info; 1249 enum ice_status status; 1250 u16 size; 1251 u32 i; 1252 1253 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1254 1255 size = ice_struct_size(pkg_info, pkg_info, ICE_PKG_CNT); 1256 pkg_info = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size); 1257 if (!pkg_info) 1258 return ICE_ERR_NO_MEMORY; 1259 1260 status = ice_aq_get_pkg_info_list(hw, pkg_info, size, NULL); 1261 if (status) 1262 goto init_pkg_free_alloc; 1263 1264 for (i = 0; i < LE32_TO_CPU(pkg_info->count); i++) { 1265 #define ICE_PKG_FLAG_COUNT 4 1266 char flags[ICE_PKG_FLAG_COUNT + 1] = { 0 }; 1267 u8 place = 0; 1268 1269 if (pkg_info->pkg_info[i].is_active) { 1270 flags[place++] = 'A'; 1271 hw->active_pkg_ver = pkg_info->pkg_info[i].ver; 1272 hw->active_track_id = 1273 LE32_TO_CPU(pkg_info->pkg_info[i].track_id); 1274 ice_memcpy(hw->active_pkg_name, 1275 pkg_info->pkg_info[i].name, 1276 sizeof(pkg_info->pkg_info[i].name), 1277 ICE_NONDMA_TO_NONDMA); 1278 hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm; 1279 } 1280 if (pkg_info->pkg_info[i].is_active_at_boot) 1281 flags[place++] = 'B'; 1282 if (pkg_info->pkg_info[i].is_modified) 1283 flags[place++] = 'M'; 1284 if (pkg_info->pkg_info[i].is_in_nvm) 1285 flags[place++] = 'N'; 1286 1287 ice_debug(hw, ICE_DBG_PKG, "Pkg[%d]: %d.%d.%d.%d,%s,%s\n", 1288 i, pkg_info->pkg_info[i].ver.major, 1289 pkg_info->pkg_info[i].ver.minor, 1290 pkg_info->pkg_info[i].ver.update, 1291 pkg_info->pkg_info[i].ver.draft, 1292 pkg_info->pkg_info[i].name, flags); 1293 } 1294 1295 init_pkg_free_alloc: 1296 ice_free(hw, pkg_info); 1297 1298 return status; 1299 } 1300 1301 /** 1302 * ice_verify_pkg - verify package 1303 * @pkg: pointer to the package buffer 1304 * @len: size of the package buffer 1305 * 1306 * Verifies various attributes of the package file, including length, format 1307 * version, and the requirement of at least one segment. 1308 */ 1309 static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len) 1310 { 1311 u32 seg_count; 1312 u32 i; 1313 1314 if (len < ice_struct_size(pkg, seg_offset, 1)) 1315 return ICE_ERR_BUF_TOO_SHORT; 1316 1317 if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ || 1318 pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR || 1319 pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD || 1320 pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT) 1321 return ICE_ERR_CFG; 1322 1323 /* pkg must have at least one segment */ 1324 seg_count = LE32_TO_CPU(pkg->seg_count); 1325 if (seg_count < 1) 1326 return ICE_ERR_CFG; 1327 1328 /* make sure segment array fits in package length */ 1329 if (len < ice_struct_size(pkg, seg_offset, seg_count)) 1330 return ICE_ERR_BUF_TOO_SHORT; 1331 1332 /* all segments must fit within length */ 1333 for (i = 0; i < seg_count; i++) { 1334 u32 off = LE32_TO_CPU(pkg->seg_offset[i]); 1335 struct ice_generic_seg_hdr *seg; 1336 1337 /* segment header must fit */ 1338 if (len < off + sizeof(*seg)) 1339 return ICE_ERR_BUF_TOO_SHORT; 1340 1341 seg = (struct ice_generic_seg_hdr *)((u8 *)pkg + off); 1342 1343 /* segment body must fit */ 1344 if (len < off + LE32_TO_CPU(seg->seg_size)) 1345 return ICE_ERR_BUF_TOO_SHORT; 1346 } 1347 1348 return ICE_SUCCESS; 1349 } 1350 1351 /** 1352 * ice_free_seg - free package segment pointer 1353 * @hw: pointer to the hardware structure 1354 * 1355 * Frees the package segment pointer in the proper manner, depending on if the 1356 * segment was allocated or just the passed in pointer was stored. 1357 */ 1358 void ice_free_seg(struct ice_hw *hw) 1359 { 1360 if (hw->pkg_copy) { 1361 ice_free(hw, hw->pkg_copy); 1362 hw->pkg_copy = NULL; 1363 hw->pkg_size = 0; 1364 } 1365 hw->seg = NULL; 1366 } 1367 1368 /** 1369 * ice_init_pkg_regs - initialize additional package registers 1370 * @hw: pointer to the hardware structure 1371 */ 1372 static void ice_init_pkg_regs(struct ice_hw *hw) 1373 { 1374 #define ICE_SW_BLK_INP_MASK_L 0xFFFFFFFF 1375 #define ICE_SW_BLK_INP_MASK_H 0x0000FFFF 1376 #define ICE_SW_BLK_IDX 0 1377 if (hw->dcf_enabled) 1378 return; 1379 1380 /* setup Switch block input mask, which is 48-bits in two parts */ 1381 wr32(hw, GL_PREEXT_L2_PMASK0(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_L); 1382 wr32(hw, GL_PREEXT_L2_PMASK1(ICE_SW_BLK_IDX), ICE_SW_BLK_INP_MASK_H); 1383 } 1384 1385 /** 1386 * ice_chk_pkg_version - check package version for compatibility with driver 1387 * @pkg_ver: pointer to a version structure to check 1388 * 1389 * Check to make sure that the package about to be downloaded is compatible with 1390 * the driver. To be compatible, the major and minor components of the package 1391 * version must match our ICE_PKG_SUPP_VER_MAJ and ICE_PKG_SUPP_VER_MNR 1392 * definitions. 1393 */ 1394 static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver) 1395 { 1396 if (pkg_ver->major != ICE_PKG_SUPP_VER_MAJ || 1397 pkg_ver->minor != ICE_PKG_SUPP_VER_MNR) 1398 return ICE_ERR_NOT_SUPPORTED; 1399 1400 return ICE_SUCCESS; 1401 } 1402 1403 /** 1404 * ice_chk_pkg_compat 1405 * @hw: pointer to the hardware structure 1406 * @ospkg: pointer to the package hdr 1407 * @seg: pointer to the package segment hdr 1408 * 1409 * This function checks the package version compatibility with driver and NVM 1410 */ 1411 static enum ice_status 1412 ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg, 1413 struct ice_seg **seg) 1414 { 1415 struct ice_aqc_get_pkg_info_resp *pkg; 1416 enum ice_status status; 1417 u16 size; 1418 u32 i; 1419 1420 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__); 1421 1422 /* Check package version compatibility */ 1423 status = ice_chk_pkg_version(&hw->pkg_ver); 1424 if (status) { 1425 ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n"); 1426 return status; 1427 } 1428 1429 /* find ICE segment in given package */ 1430 *seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, 1431 ospkg); 1432 if (!*seg) { 1433 ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n"); 1434 return ICE_ERR_CFG; 1435 } 1436 1437 /* Check if FW is compatible with the OS package */ 1438 size = ice_struct_size(pkg, pkg_info, ICE_PKG_CNT); 1439 pkg = (struct ice_aqc_get_pkg_info_resp *)ice_malloc(hw, size); 1440 if (!pkg) 1441 return ICE_ERR_NO_MEMORY; 1442 1443 status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL); 1444 if (status) 1445 goto fw_ddp_compat_free_alloc; 1446 1447 for (i = 0; i < LE32_TO_CPU(pkg->count); i++) { 1448 /* loop till we find the NVM package */ 1449 if (!pkg->pkg_info[i].is_in_nvm) 1450 continue; 1451 if ((*seg)->hdr.seg_format_ver.major != 1452 pkg->pkg_info[i].ver.major || 1453 (*seg)->hdr.seg_format_ver.minor > 1454 pkg->pkg_info[i].ver.minor) { 1455 status = ICE_ERR_FW_DDP_MISMATCH; 1456 ice_debug(hw, ICE_DBG_INIT, "OS package is not compatible with NVM.\n"); 1457 } 1458 /* done processing NVM package so break */ 1459 break; 1460 } 1461 fw_ddp_compat_free_alloc: 1462 ice_free(hw, pkg); 1463 return status; 1464 } 1465 1466 /** 1467 * ice_sw_fv_handler 1468 * @sect_type: section type 1469 * @section: pointer to section 1470 * @index: index of the field vector entry to be returned 1471 * @offset: ptr to variable that receives the offset in the field vector table 1472 * 1473 * This is a callback function that can be passed to ice_pkg_enum_entry. 1474 * This function treats the given section as of type ice_sw_fv_section and 1475 * enumerates offset field. "offset" is an index into the field vector table. 1476 */ 1477 static void * 1478 ice_sw_fv_handler(u32 sect_type, void *section, u32 index, u32 *offset) 1479 { 1480 struct ice_sw_fv_section *fv_section = 1481 (struct ice_sw_fv_section *)section; 1482 1483 if (!section || sect_type != ICE_SID_FLD_VEC_SW) 1484 return NULL; 1485 if (index >= LE16_TO_CPU(fv_section->count)) 1486 return NULL; 1487 if (offset) 1488 /* "index" passed in to this function is relative to a given 1489 * 4k block. To get to the true index into the field vector 1490 * table need to add the relative index to the base_offset 1491 * field of this section 1492 */ 1493 *offset = LE16_TO_CPU(fv_section->base_offset) + index; 1494 return fv_section->fv + index; 1495 } 1496 1497 /** 1498 * ice_get_prof_index_max - get the max profile index for used profile 1499 * @hw: pointer to the HW struct 1500 * 1501 * Calling this function will get the max profile index for used profile 1502 * and store the index number in struct ice_switch_info *switch_info 1503 * in hw for following use. 1504 */ 1505 static int ice_get_prof_index_max(struct ice_hw *hw) 1506 { 1507 u16 prof_index = 0, j, max_prof_index = 0; 1508 struct ice_pkg_enum state; 1509 struct ice_seg *ice_seg; 1510 bool flag = false; 1511 struct ice_fv *fv; 1512 u32 offset; 1513 1514 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1515 1516 if (!hw->seg) 1517 return ICE_ERR_PARAM; 1518 1519 ice_seg = hw->seg; 1520 1521 do { 1522 fv = (struct ice_fv *) 1523 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1524 &offset, ice_sw_fv_handler); 1525 if (!fv) 1526 break; 1527 ice_seg = NULL; 1528 1529 /* in the profile that not be used, the prot_id is set to 0xff 1530 * and the off is set to 0x1ff for all the field vectors. 1531 */ 1532 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) 1533 if (fv->ew[j].prot_id != ICE_PROT_INVALID || 1534 fv->ew[j].off != ICE_FV_OFFSET_INVAL) 1535 flag = true; 1536 if (flag && prof_index > max_prof_index) 1537 max_prof_index = prof_index; 1538 1539 prof_index++; 1540 flag = false; 1541 } while (fv); 1542 1543 hw->switch_info->max_used_prof_index = max_prof_index; 1544 1545 return ICE_SUCCESS; 1546 } 1547 1548 /** 1549 * ice_init_pkg - initialize/download package 1550 * @hw: pointer to the hardware structure 1551 * @buf: pointer to the package buffer 1552 * @len: size of the package buffer 1553 * 1554 * This function initializes a package. The package contains HW tables 1555 * required to do packet processing. First, the function extracts package 1556 * information such as version. Then it finds the ice configuration segment 1557 * within the package; this function then saves a copy of the segment pointer 1558 * within the supplied package buffer. Next, the function will cache any hints 1559 * from the package, followed by downloading the package itself. Note, that if 1560 * a previous PF driver has already downloaded the package successfully, then 1561 * the current driver will not have to download the package again. 1562 * 1563 * The local package contents will be used to query default behavior and to 1564 * update specific sections of the HW's version of the package (e.g. to update 1565 * the parse graph to understand new protocols). 1566 * 1567 * This function stores a pointer to the package buffer memory, and it is 1568 * expected that the supplied buffer will not be freed immediately. If the 1569 * package buffer needs to be freed, such as when read from a file, use 1570 * ice_copy_and_init_pkg() instead of directly calling ice_init_pkg() in this 1571 * case. 1572 */ 1573 enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len) 1574 { 1575 struct ice_pkg_hdr *pkg; 1576 enum ice_status status; 1577 struct ice_seg *seg; 1578 1579 if (!buf || !len) 1580 return ICE_ERR_PARAM; 1581 1582 pkg = (struct ice_pkg_hdr *)buf; 1583 status = ice_verify_pkg(pkg, len); 1584 if (status) { 1585 ice_debug(hw, ICE_DBG_INIT, "failed to verify pkg (err: %d)\n", 1586 status); 1587 return status; 1588 } 1589 1590 /* initialize package info */ 1591 status = ice_init_pkg_info(hw, pkg); 1592 if (status) 1593 return status; 1594 1595 /* before downloading the package, check package version for 1596 * compatibility with driver 1597 */ 1598 status = ice_chk_pkg_compat(hw, pkg, &seg); 1599 if (status) 1600 return status; 1601 1602 /* initialize package hints and then download package */ 1603 ice_init_pkg_hints(hw, seg); 1604 status = ice_download_pkg(hw, seg); 1605 if (status == ICE_ERR_AQ_NO_WORK) { 1606 ice_debug(hw, ICE_DBG_INIT, "package previously loaded - no work.\n"); 1607 status = ICE_SUCCESS; 1608 } 1609 1610 /* Get information on the package currently loaded in HW, then make sure 1611 * the driver is compatible with this version. 1612 */ 1613 if (!status) { 1614 status = ice_get_pkg_info(hw); 1615 if (!status) 1616 status = ice_chk_pkg_version(&hw->active_pkg_ver); 1617 } 1618 1619 if (!status) { 1620 hw->seg = seg; 1621 /* on successful package download update other required 1622 * registers to support the package and fill HW tables 1623 * with package content. 1624 */ 1625 ice_init_pkg_regs(hw); 1626 ice_fill_blk_tbls(hw); 1627 ice_fill_hw_ptype(hw); 1628 ice_get_prof_index_max(hw); 1629 } else { 1630 ice_debug(hw, ICE_DBG_INIT, "package load failed, %d\n", 1631 status); 1632 } 1633 1634 return status; 1635 } 1636 1637 /** 1638 * ice_copy_and_init_pkg - initialize/download a copy of the package 1639 * @hw: pointer to the hardware structure 1640 * @buf: pointer to the package buffer 1641 * @len: size of the package buffer 1642 * 1643 * This function copies the package buffer, and then calls ice_init_pkg() to 1644 * initialize the copied package contents. 1645 * 1646 * The copying is necessary if the package buffer supplied is constant, or if 1647 * the memory may disappear shortly after calling this function. 1648 * 1649 * If the package buffer resides in the data segment and can be modified, the 1650 * caller is free to use ice_init_pkg() instead of ice_copy_and_init_pkg(). 1651 * 1652 * However, if the package buffer needs to be copied first, such as when being 1653 * read from a file, the caller should use ice_copy_and_init_pkg(). 1654 * 1655 * This function will first copy the package buffer, before calling 1656 * ice_init_pkg(). The caller is free to immediately destroy the original 1657 * package buffer, as the new copy will be managed by this function and 1658 * related routines. 1659 */ 1660 enum ice_status ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, u32 len) 1661 { 1662 enum ice_status status; 1663 u8 *buf_copy; 1664 1665 if (!buf || !len) 1666 return ICE_ERR_PARAM; 1667 1668 buf_copy = (u8 *)ice_memdup(hw, buf, len, ICE_NONDMA_TO_NONDMA); 1669 1670 status = ice_init_pkg(hw, buf_copy, len); 1671 if (status) { 1672 /* Free the copy, since we failed to initialize the package */ 1673 ice_free(hw, buf_copy); 1674 } else { 1675 /* Track the copied pkg so we can free it later */ 1676 hw->pkg_copy = buf_copy; 1677 hw->pkg_size = len; 1678 } 1679 1680 return status; 1681 } 1682 1683 /** 1684 * ice_pkg_buf_alloc 1685 * @hw: pointer to the HW structure 1686 * 1687 * Allocates a package buffer and returns a pointer to the buffer header. 1688 * Note: all package contents must be in Little Endian form. 1689 */ 1690 static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw) 1691 { 1692 struct ice_buf_build *bld; 1693 struct ice_buf_hdr *buf; 1694 1695 bld = (struct ice_buf_build *)ice_malloc(hw, sizeof(*bld)); 1696 if (!bld) 1697 return NULL; 1698 1699 buf = (struct ice_buf_hdr *)bld; 1700 buf->data_end = CPU_TO_LE16(offsetof(struct ice_buf_hdr, 1701 section_entry)); 1702 return bld; 1703 } 1704 1705 /** 1706 * ice_get_sw_prof_type - determine switch profile type 1707 * @hw: pointer to the HW structure 1708 * @fv: pointer to the switch field vector 1709 */ 1710 static enum ice_prof_type 1711 ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv) 1712 { 1713 u16 i; 1714 1715 for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) { 1716 /* UDP tunnel will have UDP_OF protocol ID and VNI offset */ 1717 if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF && 1718 fv->ew[i].off == ICE_VNI_OFFSET) 1719 return ICE_PROF_TUN_UDP; 1720 1721 /* GRE tunnel will have GRE protocol */ 1722 if (fv->ew[i].prot_id == (u8)ICE_PROT_GRE_OF) 1723 return ICE_PROF_TUN_GRE; 1724 1725 /* PPPOE tunnel will have PPPOE protocol */ 1726 if (fv->ew[i].prot_id == (u8)ICE_PROT_PPPOE) 1727 return ICE_PROF_TUN_PPPOE; 1728 } 1729 1730 return ICE_PROF_NON_TUN; 1731 } 1732 1733 /** 1734 * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type 1735 * @hw: pointer to hardware structure 1736 * @req_profs: type of profiles requested 1737 * @bm: pointer to memory for returning the bitmap of field vectors 1738 */ 1739 void 1740 ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs, 1741 ice_bitmap_t *bm) 1742 { 1743 struct ice_pkg_enum state; 1744 struct ice_seg *ice_seg; 1745 struct ice_fv *fv; 1746 1747 if (req_profs == ICE_PROF_ALL) { 1748 ice_bitmap_set(bm, 0, ICE_MAX_NUM_PROFILES); 1749 return; 1750 } 1751 1752 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1753 ice_zero_bitmap(bm, ICE_MAX_NUM_PROFILES); 1754 ice_seg = hw->seg; 1755 do { 1756 enum ice_prof_type prof_type; 1757 u32 offset; 1758 1759 fv = (struct ice_fv *) 1760 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1761 &offset, ice_sw_fv_handler); 1762 ice_seg = NULL; 1763 1764 if (fv) { 1765 /* Determine field vector type */ 1766 prof_type = ice_get_sw_prof_type(hw, fv); 1767 1768 if (req_profs & prof_type) 1769 ice_set_bit((u16)offset, bm); 1770 } 1771 } while (fv); 1772 } 1773 1774 /** 1775 * ice_get_sw_fv_list 1776 * @hw: pointer to the HW structure 1777 * @prot_ids: field vector to search for with a given protocol ID 1778 * @ids_cnt: lookup/protocol count 1779 * @bm: bitmap of field vectors to consider 1780 * @fv_list: Head of a list 1781 * 1782 * Finds all the field vector entries from switch block that contain 1783 * a given protocol ID and returns a list of structures of type 1784 * "ice_sw_fv_list_entry". Every structure in the list has a field vector 1785 * definition and profile ID information 1786 * NOTE: The caller of the function is responsible for freeing the memory 1787 * allocated for every list entry. 1788 */ 1789 enum ice_status 1790 ice_get_sw_fv_list(struct ice_hw *hw, u8 *prot_ids, u16 ids_cnt, 1791 ice_bitmap_t *bm, struct LIST_HEAD_TYPE *fv_list) 1792 { 1793 struct ice_sw_fv_list_entry *fvl; 1794 struct ice_sw_fv_list_entry *tmp; 1795 struct ice_pkg_enum state; 1796 struct ice_seg *ice_seg; 1797 struct ice_fv *fv; 1798 u32 offset; 1799 1800 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1801 1802 if (!ids_cnt || !hw->seg) 1803 return ICE_ERR_PARAM; 1804 1805 ice_seg = hw->seg; 1806 do { 1807 u16 i; 1808 1809 fv = (struct ice_fv *) 1810 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1811 &offset, ice_sw_fv_handler); 1812 if (!fv) 1813 break; 1814 ice_seg = NULL; 1815 1816 /* If field vector is not in the bitmap list, then skip this 1817 * profile. 1818 */ 1819 if (!ice_is_bit_set(bm, (u16)offset)) 1820 continue; 1821 1822 for (i = 0; i < ids_cnt; i++) { 1823 int j; 1824 1825 /* This code assumes that if a switch field vector line 1826 * has a matching protocol, then this line will contain 1827 * the entries necessary to represent every field in 1828 * that protocol header. 1829 */ 1830 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++) 1831 if (fv->ew[j].prot_id == prot_ids[i]) 1832 break; 1833 if (j >= hw->blk[ICE_BLK_SW].es.fvw) 1834 break; 1835 if (i + 1 == ids_cnt) { 1836 fvl = (struct ice_sw_fv_list_entry *) 1837 ice_malloc(hw, sizeof(*fvl)); 1838 if (!fvl) 1839 goto err; 1840 fvl->fv_ptr = fv; 1841 fvl->profile_id = offset; 1842 LIST_ADD(&fvl->list_entry, fv_list); 1843 break; 1844 } 1845 } 1846 } while (fv); 1847 if (LIST_EMPTY(fv_list)) 1848 return ICE_ERR_CFG; 1849 return ICE_SUCCESS; 1850 1851 err: 1852 LIST_FOR_EACH_ENTRY_SAFE(fvl, tmp, fv_list, ice_sw_fv_list_entry, 1853 list_entry) { 1854 LIST_DEL(&fvl->list_entry); 1855 ice_free(hw, fvl); 1856 } 1857 1858 return ICE_ERR_NO_MEMORY; 1859 } 1860 1861 /** 1862 * ice_init_prof_result_bm - Initialize the profile result index bitmap 1863 * @hw: pointer to hardware structure 1864 */ 1865 void ice_init_prof_result_bm(struct ice_hw *hw) 1866 { 1867 struct ice_pkg_enum state; 1868 struct ice_seg *ice_seg; 1869 struct ice_fv *fv; 1870 1871 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 1872 1873 if (!hw->seg) 1874 return; 1875 1876 ice_seg = hw->seg; 1877 do { 1878 u32 off; 1879 u16 i; 1880 1881 fv = (struct ice_fv *) 1882 ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, 1883 &off, ice_sw_fv_handler); 1884 ice_seg = NULL; 1885 if (!fv) 1886 break; 1887 1888 ice_zero_bitmap(hw->switch_info->prof_res_bm[off], 1889 ICE_MAX_FV_WORDS); 1890 1891 /* Determine empty field vector indices, these can be 1892 * used for recipe results. Skip index 0, since it is 1893 * always used for Switch ID. 1894 */ 1895 for (i = 1; i < ICE_MAX_FV_WORDS; i++) 1896 if (fv->ew[i].prot_id == ICE_PROT_INVALID && 1897 fv->ew[i].off == ICE_FV_OFFSET_INVAL) 1898 ice_set_bit(i, 1899 hw->switch_info->prof_res_bm[off]); 1900 } while (fv); 1901 } 1902 1903 /** 1904 * ice_pkg_buf_free 1905 * @hw: pointer to the HW structure 1906 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1907 * 1908 * Frees a package buffer 1909 */ 1910 void ice_pkg_buf_free(struct ice_hw *hw, struct ice_buf_build *bld) 1911 { 1912 ice_free(hw, bld); 1913 } 1914 1915 /** 1916 * ice_pkg_buf_reserve_section 1917 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1918 * @count: the number of sections to reserve 1919 * 1920 * Reserves one or more section table entries in a package buffer. This routine 1921 * can be called multiple times as long as they are made before calling 1922 * ice_pkg_buf_alloc_section(). Once ice_pkg_buf_alloc_section() 1923 * is called once, the number of sections that can be allocated will not be able 1924 * to be increased; not using all reserved sections is fine, but this will 1925 * result in some wasted space in the buffer. 1926 * Note: all package contents must be in Little Endian form. 1927 */ 1928 static enum ice_status 1929 ice_pkg_buf_reserve_section(struct ice_buf_build *bld, u16 count) 1930 { 1931 struct ice_buf_hdr *buf; 1932 u16 section_count; 1933 u16 data_end; 1934 1935 if (!bld) 1936 return ICE_ERR_PARAM; 1937 1938 buf = (struct ice_buf_hdr *)&bld->buf; 1939 1940 /* already an active section, can't increase table size */ 1941 section_count = LE16_TO_CPU(buf->section_count); 1942 if (section_count > 0) 1943 return ICE_ERR_CFG; 1944 1945 if (bld->reserved_section_table_entries + count > ICE_MAX_S_COUNT) 1946 return ICE_ERR_CFG; 1947 bld->reserved_section_table_entries += count; 1948 1949 data_end = LE16_TO_CPU(buf->data_end) + 1950 FLEX_ARRAY_SIZE(buf, section_entry, count); 1951 buf->data_end = CPU_TO_LE16(data_end); 1952 1953 return ICE_SUCCESS; 1954 } 1955 1956 /** 1957 * ice_pkg_buf_alloc_section 1958 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 1959 * @type: the section type value 1960 * @size: the size of the section to reserve (in bytes) 1961 * 1962 * Reserves memory in the buffer for a section's content and updates the 1963 * buffers' status accordingly. This routine returns a pointer to the first 1964 * byte of the section start within the buffer, which is used to fill in the 1965 * section contents. 1966 * Note: all package contents must be in Little Endian form. 1967 */ 1968 static void * 1969 ice_pkg_buf_alloc_section(struct ice_buf_build *bld, u32 type, u16 size) 1970 { 1971 struct ice_buf_hdr *buf; 1972 u16 sect_count; 1973 u16 data_end; 1974 1975 if (!bld || !type || !size) 1976 return NULL; 1977 1978 buf = (struct ice_buf_hdr *)&bld->buf; 1979 1980 /* check for enough space left in buffer */ 1981 data_end = LE16_TO_CPU(buf->data_end); 1982 1983 /* section start must align on 4 byte boundary */ 1984 data_end = ICE_ALIGN(data_end, 4); 1985 1986 if ((data_end + size) > ICE_MAX_S_DATA_END) 1987 return NULL; 1988 1989 /* check for more available section table entries */ 1990 sect_count = LE16_TO_CPU(buf->section_count); 1991 if (sect_count < bld->reserved_section_table_entries) { 1992 void *section_ptr = ((u8 *)buf) + data_end; 1993 1994 buf->section_entry[sect_count].offset = CPU_TO_LE16(data_end); 1995 buf->section_entry[sect_count].size = CPU_TO_LE16(size); 1996 buf->section_entry[sect_count].type = CPU_TO_LE32(type); 1997 1998 data_end += size; 1999 buf->data_end = CPU_TO_LE16(data_end); 2000 2001 buf->section_count = CPU_TO_LE16(sect_count + 1); 2002 return section_ptr; 2003 } 2004 2005 /* no free section table entries */ 2006 return NULL; 2007 } 2008 2009 /** 2010 * ice_pkg_buf_alloc_single_section 2011 * @hw: pointer to the HW structure 2012 * @type: the section type value 2013 * @size: the size of the section to reserve (in bytes) 2014 * @section: returns pointer to the section 2015 * 2016 * Allocates a package buffer with a single section. 2017 * Note: all package contents must be in Little Endian form. 2018 */ 2019 struct ice_buf_build * 2020 ice_pkg_buf_alloc_single_section(struct ice_hw *hw, u32 type, u16 size, 2021 void **section) 2022 { 2023 struct ice_buf_build *buf; 2024 2025 if (!section) 2026 return NULL; 2027 2028 buf = ice_pkg_buf_alloc(hw); 2029 if (!buf) 2030 return NULL; 2031 2032 if (ice_pkg_buf_reserve_section(buf, 1)) 2033 goto ice_pkg_buf_alloc_single_section_err; 2034 2035 *section = ice_pkg_buf_alloc_section(buf, type, size); 2036 if (!*section) 2037 goto ice_pkg_buf_alloc_single_section_err; 2038 2039 return buf; 2040 2041 ice_pkg_buf_alloc_single_section_err: 2042 ice_pkg_buf_free(hw, buf); 2043 return NULL; 2044 } 2045 2046 /** 2047 * ice_pkg_buf_get_active_sections 2048 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 2049 * 2050 * Returns the number of active sections. Before using the package buffer 2051 * in an update package command, the caller should make sure that there is at 2052 * least one active section - otherwise, the buffer is not legal and should 2053 * not be used. 2054 * Note: all package contents must be in Little Endian form. 2055 */ 2056 static u16 ice_pkg_buf_get_active_sections(struct ice_buf_build *bld) 2057 { 2058 struct ice_buf_hdr *buf; 2059 2060 if (!bld) 2061 return 0; 2062 2063 buf = (struct ice_buf_hdr *)&bld->buf; 2064 return LE16_TO_CPU(buf->section_count); 2065 } 2066 2067 /** 2068 * ice_pkg_buf 2069 * @bld: pointer to pkg build (allocated by ice_pkg_buf_alloc()) 2070 * 2071 * Return a pointer to the buffer's header 2072 */ 2073 struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld) 2074 { 2075 if (!bld) 2076 return NULL; 2077 2078 return &bld->buf; 2079 } 2080 2081 /** 2082 * ice_tunnel_port_in_use_hlpr - helper function to determine tunnel usage 2083 * @hw: pointer to the HW structure 2084 * @port: port to search for 2085 * @index: optionally returns index 2086 * 2087 * Returns whether a port is already in use as a tunnel, and optionally its 2088 * index 2089 */ 2090 static bool ice_tunnel_port_in_use_hlpr(struct ice_hw *hw, u16 port, u16 *index) 2091 { 2092 u16 i; 2093 2094 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2095 if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) { 2096 if (index) 2097 *index = i; 2098 return true; 2099 } 2100 2101 return false; 2102 } 2103 2104 /** 2105 * ice_tunnel_port_in_use 2106 * @hw: pointer to the HW structure 2107 * @port: port to search for 2108 * @index: optionally returns index 2109 * 2110 * Returns whether a port is already in use as a tunnel, and optionally its 2111 * index 2112 */ 2113 bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index) 2114 { 2115 bool res; 2116 2117 ice_acquire_lock(&hw->tnl_lock); 2118 res = ice_tunnel_port_in_use_hlpr(hw, port, index); 2119 ice_release_lock(&hw->tnl_lock); 2120 2121 return res; 2122 } 2123 2124 /** 2125 * ice_tunnel_get_type 2126 * @hw: pointer to the HW structure 2127 * @port: port to search for 2128 * @type: returns tunnel index 2129 * 2130 * For a given port number, will return the type of tunnel. 2131 */ 2132 bool 2133 ice_tunnel_get_type(struct ice_hw *hw, u16 port, enum ice_tunnel_type *type) 2134 { 2135 bool res = false; 2136 u16 i; 2137 2138 ice_acquire_lock(&hw->tnl_lock); 2139 2140 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2141 if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) { 2142 *type = hw->tnl.tbl[i].type; 2143 res = true; 2144 break; 2145 } 2146 2147 ice_release_lock(&hw->tnl_lock); 2148 2149 return res; 2150 } 2151 2152 /** 2153 * ice_find_free_tunnel_entry 2154 * @hw: pointer to the HW structure 2155 * @type: tunnel type 2156 * @index: optionally returns index 2157 * 2158 * Returns whether there is a free tunnel entry, and optionally its index 2159 */ 2160 static bool 2161 ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type, 2162 u16 *index) 2163 { 2164 u16 i; 2165 2166 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2167 if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use && 2168 hw->tnl.tbl[i].type == type) { 2169 if (index) 2170 *index = i; 2171 return true; 2172 } 2173 2174 return false; 2175 } 2176 2177 /** 2178 * ice_get_open_tunnel_port - retrieve an open tunnel port 2179 * @hw: pointer to the HW structure 2180 * @type: tunnel type (TNL_ALL will return any open port) 2181 * @port: returns open port 2182 */ 2183 bool 2184 ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type, 2185 u16 *port) 2186 { 2187 bool res = false; 2188 u16 i; 2189 2190 ice_acquire_lock(&hw->tnl_lock); 2191 2192 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2193 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2194 (type == TNL_ALL || hw->tnl.tbl[i].type == type)) { 2195 *port = hw->tnl.tbl[i].port; 2196 res = true; 2197 break; 2198 } 2199 2200 ice_release_lock(&hw->tnl_lock); 2201 2202 return res; 2203 } 2204 2205 /** 2206 * ice_create_tunnel 2207 * @hw: pointer to the HW structure 2208 * @type: type of tunnel 2209 * @port: port of tunnel to create 2210 * 2211 * Create a tunnel by updating the parse graph in the parser. We do that by 2212 * creating a package buffer with the tunnel info and issuing an update package 2213 * command. 2214 */ 2215 enum ice_status 2216 ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port) 2217 { 2218 struct ice_boost_tcam_section *sect_rx, *sect_tx; 2219 enum ice_status status = ICE_ERR_MAX_LIMIT; 2220 struct ice_buf_build *bld; 2221 u16 index; 2222 2223 ice_acquire_lock(&hw->tnl_lock); 2224 2225 if (ice_tunnel_port_in_use_hlpr(hw, port, &index)) { 2226 hw->tnl.tbl[index].ref++; 2227 status = ICE_SUCCESS; 2228 goto ice_create_tunnel_end; 2229 } 2230 2231 if (!ice_find_free_tunnel_entry(hw, type, &index)) { 2232 status = ICE_ERR_OUT_OF_RANGE; 2233 goto ice_create_tunnel_end; 2234 } 2235 2236 bld = ice_pkg_buf_alloc(hw); 2237 if (!bld) { 2238 status = ICE_ERR_NO_MEMORY; 2239 goto ice_create_tunnel_end; 2240 } 2241 2242 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 2243 if (ice_pkg_buf_reserve_section(bld, 2)) 2244 goto ice_create_tunnel_err; 2245 2246 sect_rx = (struct ice_boost_tcam_section *) 2247 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 2248 ice_struct_size(sect_rx, tcam, 1)); 2249 if (!sect_rx) 2250 goto ice_create_tunnel_err; 2251 sect_rx->count = CPU_TO_LE16(1); 2252 2253 sect_tx = (struct ice_boost_tcam_section *) 2254 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 2255 ice_struct_size(sect_tx, tcam, 1)); 2256 if (!sect_tx) 2257 goto ice_create_tunnel_err; 2258 sect_tx->count = CPU_TO_LE16(1); 2259 2260 /* copy original boost entry to update package buffer */ 2261 ice_memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry, 2262 sizeof(*sect_rx->tcam), ICE_NONDMA_TO_NONDMA); 2263 2264 /* over-write the never-match dest port key bits with the encoded port 2265 * bits 2266 */ 2267 ice_set_key((u8 *)§_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key), 2268 (u8 *)&port, NULL, NULL, NULL, 2269 (u16)offsetof(struct ice_boost_key_value, hv_dst_port_key), 2270 sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key)); 2271 2272 /* exact copy of entry to Tx section entry */ 2273 ice_memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam), 2274 ICE_NONDMA_TO_NONDMA); 2275 2276 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); 2277 if (!status) { 2278 hw->tnl.tbl[index].port = port; 2279 hw->tnl.tbl[index].in_use = true; 2280 hw->tnl.tbl[index].ref = 1; 2281 } 2282 2283 ice_create_tunnel_err: 2284 ice_pkg_buf_free(hw, bld); 2285 2286 ice_create_tunnel_end: 2287 ice_release_lock(&hw->tnl_lock); 2288 2289 return status; 2290 } 2291 2292 /** 2293 * ice_destroy_tunnel 2294 * @hw: pointer to the HW structure 2295 * @port: port of tunnel to destroy (ignored if the all parameter is true) 2296 * @all: flag that states to destroy all tunnels 2297 * 2298 * Destroys a tunnel or all tunnels by creating an update package buffer 2299 * targeting the specific updates requested and then performing an update 2300 * package. 2301 */ 2302 enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all) 2303 { 2304 struct ice_boost_tcam_section *sect_rx, *sect_tx; 2305 enum ice_status status = ICE_ERR_MAX_LIMIT; 2306 struct ice_buf_build *bld; 2307 u16 count = 0; 2308 u16 index; 2309 u16 size; 2310 u16 i, j; 2311 2312 ice_acquire_lock(&hw->tnl_lock); 2313 2314 if (!all && ice_tunnel_port_in_use_hlpr(hw, port, &index)) 2315 if (hw->tnl.tbl[index].ref > 1) { 2316 hw->tnl.tbl[index].ref--; 2317 status = ICE_SUCCESS; 2318 goto ice_destroy_tunnel_end; 2319 } 2320 2321 /* determine count */ 2322 for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2323 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2324 (all || hw->tnl.tbl[i].port == port)) 2325 count++; 2326 2327 if (!count) { 2328 status = ICE_ERR_PARAM; 2329 goto ice_destroy_tunnel_end; 2330 } 2331 2332 /* size of section - there is at least one entry */ 2333 size = ice_struct_size(sect_rx, tcam, count); 2334 2335 bld = ice_pkg_buf_alloc(hw); 2336 if (!bld) { 2337 status = ICE_ERR_NO_MEMORY; 2338 goto ice_destroy_tunnel_end; 2339 } 2340 2341 /* allocate 2 sections, one for Rx parser, one for Tx parser */ 2342 if (ice_pkg_buf_reserve_section(bld, 2)) 2343 goto ice_destroy_tunnel_err; 2344 2345 sect_rx = (struct ice_boost_tcam_section *) 2346 ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM, 2347 size); 2348 if (!sect_rx) 2349 goto ice_destroy_tunnel_err; 2350 sect_rx->count = CPU_TO_LE16(count); 2351 2352 sect_tx = (struct ice_boost_tcam_section *) 2353 ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM, 2354 size); 2355 if (!sect_tx) 2356 goto ice_destroy_tunnel_err; 2357 sect_tx->count = CPU_TO_LE16(count); 2358 2359 /* copy original boost entry to update package buffer, one copy to Rx 2360 * section, another copy to the Tx section 2361 */ 2362 for (i = 0, j = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++) 2363 if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use && 2364 (all || hw->tnl.tbl[i].port == port)) { 2365 ice_memcpy(sect_rx->tcam + j, 2366 hw->tnl.tbl[i].boost_entry, 2367 sizeof(*sect_rx->tcam), 2368 ICE_NONDMA_TO_NONDMA); 2369 ice_memcpy(sect_tx->tcam + j, 2370 hw->tnl.tbl[i].boost_entry, 2371 sizeof(*sect_tx->tcam), 2372 ICE_NONDMA_TO_NONDMA); 2373 hw->tnl.tbl[i].marked = true; 2374 j++; 2375 } 2376 2377 status = ice_update_pkg(hw, ice_pkg_buf(bld), 1); 2378 if (!status) 2379 for (i = 0; i < hw->tnl.count && 2380 i < ICE_TUNNEL_MAX_ENTRIES; i++) 2381 if (hw->tnl.tbl[i].marked) { 2382 hw->tnl.tbl[i].ref = 0; 2383 hw->tnl.tbl[i].port = 0; 2384 hw->tnl.tbl[i].in_use = false; 2385 hw->tnl.tbl[i].marked = false; 2386 } 2387 2388 ice_destroy_tunnel_err: 2389 ice_pkg_buf_free(hw, bld); 2390 2391 ice_destroy_tunnel_end: 2392 ice_release_lock(&hw->tnl_lock); 2393 2394 return status; 2395 } 2396 2397 /** 2398 * ice_find_prot_off - find prot ID and offset pair, based on prof and FV index 2399 * @hw: pointer to the hardware structure 2400 * @blk: hardware block 2401 * @prof: profile ID 2402 * @fv_idx: field vector word index 2403 * @prot: variable to receive the protocol ID 2404 * @off: variable to receive the protocol offset 2405 */ 2406 enum ice_status 2407 ice_find_prot_off(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 fv_idx, 2408 u8 *prot, u16 *off) 2409 { 2410 struct ice_fv_word *fv_ext; 2411 2412 if (prof >= hw->blk[blk].es.count) 2413 return ICE_ERR_PARAM; 2414 2415 if (fv_idx >= hw->blk[blk].es.fvw) 2416 return ICE_ERR_PARAM; 2417 2418 fv_ext = hw->blk[blk].es.t + (prof * hw->blk[blk].es.fvw); 2419 2420 *prot = fv_ext[fv_idx].prot_id; 2421 *off = fv_ext[fv_idx].off; 2422 2423 return ICE_SUCCESS; 2424 } 2425 2426 /* PTG Management */ 2427 2428 /** 2429 * ice_ptg_find_ptype - Search for packet type group using packet type (ptype) 2430 * @hw: pointer to the hardware structure 2431 * @blk: HW block 2432 * @ptype: the ptype to search for 2433 * @ptg: pointer to variable that receives the PTG 2434 * 2435 * This function will search the PTGs for a particular ptype, returning the 2436 * PTG ID that contains it through the PTG parameter, with the value of 2437 * ICE_DEFAULT_PTG (0) meaning it is part the default PTG. 2438 */ 2439 static enum ice_status 2440 ice_ptg_find_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 *ptg) 2441 { 2442 if (ptype >= ICE_XLT1_CNT || !ptg) 2443 return ICE_ERR_PARAM; 2444 2445 *ptg = hw->blk[blk].xlt1.ptypes[ptype].ptg; 2446 return ICE_SUCCESS; 2447 } 2448 2449 /** 2450 * ice_ptg_alloc_val - Allocates a new packet type group ID by value 2451 * @hw: pointer to the hardware structure 2452 * @blk: HW block 2453 * @ptg: the PTG to allocate 2454 * 2455 * This function allocates a given packet type group ID specified by the PTG 2456 * parameter. 2457 */ 2458 static void ice_ptg_alloc_val(struct ice_hw *hw, enum ice_block blk, u8 ptg) 2459 { 2460 hw->blk[blk].xlt1.ptg_tbl[ptg].in_use = true; 2461 } 2462 2463 /** 2464 * ice_ptg_remove_ptype - Removes ptype from a particular packet type group 2465 * @hw: pointer to the hardware structure 2466 * @blk: HW block 2467 * @ptype: the ptype to remove 2468 * @ptg: the PTG to remove the ptype from 2469 * 2470 * This function will remove the ptype from the specific PTG, and move it to 2471 * the default PTG (ICE_DEFAULT_PTG). 2472 */ 2473 static enum ice_status 2474 ice_ptg_remove_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) 2475 { 2476 struct ice_ptg_ptype **ch; 2477 struct ice_ptg_ptype *p; 2478 2479 if (ptype > ICE_XLT1_CNT - 1) 2480 return ICE_ERR_PARAM; 2481 2482 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use) 2483 return ICE_ERR_DOES_NOT_EXIST; 2484 2485 /* Should not happen if .in_use is set, bad config */ 2486 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype) 2487 return ICE_ERR_CFG; 2488 2489 /* find the ptype within this PTG, and bypass the link over it */ 2490 p = hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2491 ch = &hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2492 while (p) { 2493 if (ptype == (p - hw->blk[blk].xlt1.ptypes)) { 2494 *ch = p->next_ptype; 2495 break; 2496 } 2497 2498 ch = &p->next_ptype; 2499 p = p->next_ptype; 2500 } 2501 2502 hw->blk[blk].xlt1.ptypes[ptype].ptg = ICE_DEFAULT_PTG; 2503 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = NULL; 2504 2505 return ICE_SUCCESS; 2506 } 2507 2508 /** 2509 * ice_ptg_add_mv_ptype - Adds/moves ptype to a particular packet type group 2510 * @hw: pointer to the hardware structure 2511 * @blk: HW block 2512 * @ptype: the ptype to add or move 2513 * @ptg: the PTG to add or move the ptype to 2514 * 2515 * This function will either add or move a ptype to a particular PTG depending 2516 * on if the ptype is already part of another group. Note that using a 2517 * a destination PTG ID of ICE_DEFAULT_PTG (0) will move the ptype to the 2518 * default PTG. 2519 */ 2520 static enum ice_status 2521 ice_ptg_add_mv_ptype(struct ice_hw *hw, enum ice_block blk, u16 ptype, u8 ptg) 2522 { 2523 enum ice_status status; 2524 u8 original_ptg; 2525 2526 if (ptype > ICE_XLT1_CNT - 1) 2527 return ICE_ERR_PARAM; 2528 2529 if (!hw->blk[blk].xlt1.ptg_tbl[ptg].in_use && ptg != ICE_DEFAULT_PTG) 2530 return ICE_ERR_DOES_NOT_EXIST; 2531 2532 status = ice_ptg_find_ptype(hw, blk, ptype, &original_ptg); 2533 if (status) 2534 return status; 2535 2536 /* Is ptype already in the correct PTG? */ 2537 if (original_ptg == ptg) 2538 return ICE_SUCCESS; 2539 2540 /* Remove from original PTG and move back to the default PTG */ 2541 if (original_ptg != ICE_DEFAULT_PTG) 2542 ice_ptg_remove_ptype(hw, blk, ptype, original_ptg); 2543 2544 /* Moving to default PTG? Then we're done with this request */ 2545 if (ptg == ICE_DEFAULT_PTG) 2546 return ICE_SUCCESS; 2547 2548 /* Add ptype to PTG at beginning of list */ 2549 hw->blk[blk].xlt1.ptypes[ptype].next_ptype = 2550 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype; 2551 hw->blk[blk].xlt1.ptg_tbl[ptg].first_ptype = 2552 &hw->blk[blk].xlt1.ptypes[ptype]; 2553 2554 hw->blk[blk].xlt1.ptypes[ptype].ptg = ptg; 2555 hw->blk[blk].xlt1.t[ptype] = ptg; 2556 2557 return ICE_SUCCESS; 2558 } 2559 2560 /* Block / table size info */ 2561 struct ice_blk_size_details { 2562 u16 xlt1; /* # XLT1 entries */ 2563 u16 xlt2; /* # XLT2 entries */ 2564 u16 prof_tcam; /* # profile ID TCAM entries */ 2565 u16 prof_id; /* # profile IDs */ 2566 u8 prof_cdid_bits; /* # CDID one-hot bits used in key */ 2567 u16 prof_redir; /* # profile redirection entries */ 2568 u16 es; /* # extraction sequence entries */ 2569 u16 fvw; /* # field vector words */ 2570 u8 overwrite; /* overwrite existing entries allowed */ 2571 u8 reverse; /* reverse FV order */ 2572 }; 2573 2574 static const struct ice_blk_size_details blk_sizes[ICE_BLK_COUNT] = { 2575 /** 2576 * Table Definitions 2577 * XLT1 - Number of entries in XLT1 table 2578 * XLT2 - Number of entries in XLT2 table 2579 * TCAM - Number of entries Profile ID TCAM table 2580 * CDID - Control Domain ID of the hardware block 2581 * PRED - Number of entries in the Profile Redirection Table 2582 * FV - Number of entries in the Field Vector 2583 * FVW - Width (in WORDs) of the Field Vector 2584 * OVR - Overwrite existing table entries 2585 * REV - Reverse FV 2586 */ 2587 /* XLT1 , XLT2 ,TCAM, PID,CDID,PRED, FV, FVW */ 2588 /* Overwrite , Reverse FV */ 2589 /* SW */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 256, 0, 256, 256, 48, 2590 false, false }, 2591 /* ACL */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 32, 2592 false, false }, 2593 /* FD */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24, 2594 false, true }, 2595 /* RSS */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 512, 128, 0, 128, 128, 24, 2596 true, true }, 2597 /* PE */ { ICE_XLT1_CNT, ICE_XLT2_CNT, 64, 32, 0, 32, 32, 24, 2598 false, false }, 2599 }; 2600 2601 enum ice_sid_all { 2602 ICE_SID_XLT1_OFF = 0, 2603 ICE_SID_XLT2_OFF, 2604 ICE_SID_PR_OFF, 2605 ICE_SID_PR_REDIR_OFF, 2606 ICE_SID_ES_OFF, 2607 ICE_SID_OFF_COUNT, 2608 }; 2609 2610 /* Characteristic handling */ 2611 2612 /** 2613 * ice_match_prop_lst - determine if properties of two lists match 2614 * @list1: first properties list 2615 * @list2: second properties list 2616 * 2617 * Count, cookies and the order must match in order to be considered equivalent. 2618 */ 2619 static bool 2620 ice_match_prop_lst(struct LIST_HEAD_TYPE *list1, struct LIST_HEAD_TYPE *list2) 2621 { 2622 struct ice_vsig_prof *tmp1; 2623 struct ice_vsig_prof *tmp2; 2624 u16 chk_count = 0; 2625 u16 count = 0; 2626 2627 /* compare counts */ 2628 LIST_FOR_EACH_ENTRY(tmp1, list1, ice_vsig_prof, list) 2629 count++; 2630 LIST_FOR_EACH_ENTRY(tmp2, list2, ice_vsig_prof, list) 2631 chk_count++; 2632 if (!count || count != chk_count) 2633 return false; 2634 2635 tmp1 = LIST_FIRST_ENTRY(list1, struct ice_vsig_prof, list); 2636 tmp2 = LIST_FIRST_ENTRY(list2, struct ice_vsig_prof, list); 2637 2638 /* profile cookies must compare, and in the exact same order to take 2639 * into account priority 2640 */ 2641 while (count--) { 2642 if (tmp2->profile_cookie != tmp1->profile_cookie) 2643 return false; 2644 2645 tmp1 = LIST_NEXT_ENTRY(tmp1, struct ice_vsig_prof, list); 2646 tmp2 = LIST_NEXT_ENTRY(tmp2, struct ice_vsig_prof, list); 2647 } 2648 2649 return true; 2650 } 2651 2652 /* VSIG Management */ 2653 2654 /** 2655 * ice_vsig_find_vsi - find a VSIG that contains a specified VSI 2656 * @hw: pointer to the hardware structure 2657 * @blk: HW block 2658 * @vsi: VSI of interest 2659 * @vsig: pointer to receive the VSI group 2660 * 2661 * This function will lookup the VSI entry in the XLT2 list and return 2662 * the VSI group its associated with. 2663 */ 2664 enum ice_status 2665 ice_vsig_find_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 *vsig) 2666 { 2667 if (!vsig || vsi >= ICE_MAX_VSI) 2668 return ICE_ERR_PARAM; 2669 2670 /* As long as there's a default or valid VSIG associated with the input 2671 * VSI, the functions returns a success. Any handling of VSIG will be 2672 * done by the following add, update or remove functions. 2673 */ 2674 *vsig = hw->blk[blk].xlt2.vsis[vsi].vsig; 2675 2676 return ICE_SUCCESS; 2677 } 2678 2679 /** 2680 * ice_vsig_alloc_val - allocate a new VSIG by value 2681 * @hw: pointer to the hardware structure 2682 * @blk: HW block 2683 * @vsig: the VSIG to allocate 2684 * 2685 * This function will allocate a given VSIG specified by the VSIG parameter. 2686 */ 2687 static u16 ice_vsig_alloc_val(struct ice_hw *hw, enum ice_block blk, u16 vsig) 2688 { 2689 u16 idx = vsig & ICE_VSIG_IDX_M; 2690 2691 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) { 2692 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst); 2693 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = true; 2694 } 2695 2696 return ICE_VSIG_VALUE(idx, hw->pf_id); 2697 } 2698 2699 /** 2700 * ice_vsig_alloc - Finds a free entry and allocates a new VSIG 2701 * @hw: pointer to the hardware structure 2702 * @blk: HW block 2703 * 2704 * This function will iterate through the VSIG list and mark the first 2705 * unused entry for the new VSIG entry as used and return that value. 2706 */ 2707 static u16 ice_vsig_alloc(struct ice_hw *hw, enum ice_block blk) 2708 { 2709 u16 i; 2710 2711 for (i = 1; i < ICE_MAX_VSIGS; i++) 2712 if (!hw->blk[blk].xlt2.vsig_tbl[i].in_use) 2713 return ice_vsig_alloc_val(hw, blk, i); 2714 2715 return ICE_DEFAULT_VSIG; 2716 } 2717 2718 /** 2719 * ice_find_dup_props_vsig - find VSI group with a specified set of properties 2720 * @hw: pointer to the hardware structure 2721 * @blk: HW block 2722 * @chs: characteristic list 2723 * @vsig: returns the VSIG with the matching profiles, if found 2724 * 2725 * Each VSIG is associated with a characteristic set; i.e. all VSIs under 2726 * a group have the same characteristic set. To check if there exists a VSIG 2727 * which has the same characteristics as the input characteristics; this 2728 * function will iterate through the XLT2 list and return the VSIG that has a 2729 * matching configuration. In order to make sure that priorities are accounted 2730 * for, the list must match exactly, including the order in which the 2731 * characteristics are listed. 2732 */ 2733 static enum ice_status 2734 ice_find_dup_props_vsig(struct ice_hw *hw, enum ice_block blk, 2735 struct LIST_HEAD_TYPE *chs, u16 *vsig) 2736 { 2737 struct ice_xlt2 *xlt2 = &hw->blk[blk].xlt2; 2738 u16 i; 2739 2740 for (i = 0; i < xlt2->count; i++) 2741 if (xlt2->vsig_tbl[i].in_use && 2742 ice_match_prop_lst(chs, &xlt2->vsig_tbl[i].prop_lst)) { 2743 *vsig = ICE_VSIG_VALUE(i, hw->pf_id); 2744 return ICE_SUCCESS; 2745 } 2746 2747 return ICE_ERR_DOES_NOT_EXIST; 2748 } 2749 2750 /** 2751 * ice_vsig_free - free VSI group 2752 * @hw: pointer to the hardware structure 2753 * @blk: HW block 2754 * @vsig: VSIG to remove 2755 * 2756 * The function will remove all VSIs associated with the input VSIG and move 2757 * them to the DEFAULT_VSIG and mark the VSIG available. 2758 */ 2759 static enum ice_status 2760 ice_vsig_free(struct ice_hw *hw, enum ice_block blk, u16 vsig) 2761 { 2762 struct ice_vsig_prof *dtmp, *del; 2763 struct ice_vsig_vsi *vsi_cur; 2764 u16 idx; 2765 2766 idx = vsig & ICE_VSIG_IDX_M; 2767 if (idx >= ICE_MAX_VSIGS) 2768 return ICE_ERR_PARAM; 2769 2770 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 2771 return ICE_ERR_DOES_NOT_EXIST; 2772 2773 hw->blk[blk].xlt2.vsig_tbl[idx].in_use = false; 2774 2775 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2776 /* If the VSIG has at least 1 VSI then iterate through the 2777 * list and remove the VSIs before deleting the group. 2778 */ 2779 if (vsi_cur) { 2780 /* remove all vsis associated with this VSIG XLT2 entry */ 2781 do { 2782 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; 2783 2784 vsi_cur->vsig = ICE_DEFAULT_VSIG; 2785 vsi_cur->changed = 1; 2786 vsi_cur->next_vsi = NULL; 2787 vsi_cur = tmp; 2788 } while (vsi_cur); 2789 2790 /* NULL terminate head of VSI list */ 2791 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = NULL; 2792 } 2793 2794 /* free characteristic list */ 2795 LIST_FOR_EACH_ENTRY_SAFE(del, dtmp, 2796 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 2797 ice_vsig_prof, list) { 2798 LIST_DEL(&del->list); 2799 ice_free(hw, del); 2800 } 2801 2802 /* if VSIG characteristic list was cleared for reset 2803 * re-initialize the list head 2804 */ 2805 INIT_LIST_HEAD(&hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst); 2806 2807 return ICE_SUCCESS; 2808 } 2809 2810 /** 2811 * ice_vsig_remove_vsi - remove VSI from VSIG 2812 * @hw: pointer to the hardware structure 2813 * @blk: HW block 2814 * @vsi: VSI to remove 2815 * @vsig: VSI group to remove from 2816 * 2817 * The function will remove the input VSI from its VSI group and move it 2818 * to the DEFAULT_VSIG. 2819 */ 2820 static enum ice_status 2821 ice_vsig_remove_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 2822 { 2823 struct ice_vsig_vsi **vsi_head, *vsi_cur, *vsi_tgt; 2824 u16 idx; 2825 2826 idx = vsig & ICE_VSIG_IDX_M; 2827 2828 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) 2829 return ICE_ERR_PARAM; 2830 2831 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 2832 return ICE_ERR_DOES_NOT_EXIST; 2833 2834 /* entry already in default VSIG, don't have to remove */ 2835 if (idx == ICE_DEFAULT_VSIG) 2836 return ICE_SUCCESS; 2837 2838 vsi_head = &hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2839 if (!(*vsi_head)) 2840 return ICE_ERR_CFG; 2841 2842 vsi_tgt = &hw->blk[blk].xlt2.vsis[vsi]; 2843 vsi_cur = (*vsi_head); 2844 2845 /* iterate the VSI list, skip over the entry to be removed */ 2846 while (vsi_cur) { 2847 if (vsi_tgt == vsi_cur) { 2848 (*vsi_head) = vsi_cur->next_vsi; 2849 break; 2850 } 2851 vsi_head = &vsi_cur->next_vsi; 2852 vsi_cur = vsi_cur->next_vsi; 2853 } 2854 2855 /* verify if VSI was removed from group list */ 2856 if (!vsi_cur) 2857 return ICE_ERR_DOES_NOT_EXIST; 2858 2859 vsi_cur->vsig = ICE_DEFAULT_VSIG; 2860 vsi_cur->changed = 1; 2861 vsi_cur->next_vsi = NULL; 2862 2863 return ICE_SUCCESS; 2864 } 2865 2866 /** 2867 * ice_vsig_add_mv_vsi - add or move a VSI to a VSI group 2868 * @hw: pointer to the hardware structure 2869 * @blk: HW block 2870 * @vsi: VSI to move 2871 * @vsig: destination VSI group 2872 * 2873 * This function will move or add the input VSI to the target VSIG. 2874 * The function will find the original VSIG the VSI belongs to and 2875 * move the entry to the DEFAULT_VSIG, update the original VSIG and 2876 * then move entry to the new VSIG. 2877 */ 2878 static enum ice_status 2879 ice_vsig_add_mv_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 2880 { 2881 struct ice_vsig_vsi *tmp; 2882 enum ice_status status; 2883 u16 orig_vsig, idx; 2884 2885 idx = vsig & ICE_VSIG_IDX_M; 2886 2887 if (vsi >= ICE_MAX_VSI || idx >= ICE_MAX_VSIGS) 2888 return ICE_ERR_PARAM; 2889 2890 /* if VSIG not in use and VSIG is not default type this VSIG 2891 * doesn't exist. 2892 */ 2893 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use && 2894 vsig != ICE_DEFAULT_VSIG) 2895 return ICE_ERR_DOES_NOT_EXIST; 2896 2897 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); 2898 if (status) 2899 return status; 2900 2901 /* no update required if vsigs match */ 2902 if (orig_vsig == vsig) 2903 return ICE_SUCCESS; 2904 2905 if (orig_vsig != ICE_DEFAULT_VSIG) { 2906 /* remove entry from orig_vsig and add to default VSIG */ 2907 status = ice_vsig_remove_vsi(hw, blk, vsi, orig_vsig); 2908 if (status) 2909 return status; 2910 } 2911 2912 if (idx == ICE_DEFAULT_VSIG) 2913 return ICE_SUCCESS; 2914 2915 /* Create VSI entry and add VSIG and prop_mask values */ 2916 hw->blk[blk].xlt2.vsis[vsi].vsig = vsig; 2917 hw->blk[blk].xlt2.vsis[vsi].changed = 1; 2918 2919 /* Add new entry to the head of the VSIG list */ 2920 tmp = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 2921 hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi = 2922 &hw->blk[blk].xlt2.vsis[vsi]; 2923 hw->blk[blk].xlt2.vsis[vsi].next_vsi = tmp; 2924 hw->blk[blk].xlt2.t[vsi] = vsig; 2925 2926 return ICE_SUCCESS; 2927 } 2928 2929 /** 2930 * ice_prof_has_mask_idx - determine if profile index masking is identical 2931 * @hw: pointer to the hardware structure 2932 * @blk: HW block 2933 * @prof: profile to check 2934 * @idx: profile index to check 2935 * @mask: mask to match 2936 */ 2937 static bool 2938 ice_prof_has_mask_idx(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 idx, 2939 u16 mask) 2940 { 2941 bool expect_no_mask = false; 2942 bool found = false; 2943 bool match = false; 2944 u16 i; 2945 2946 /* If mask is 0x0000 or 0xffff, then there is no masking */ 2947 if (mask == 0 || mask == 0xffff) 2948 expect_no_mask = true; 2949 2950 /* Scan the enabled masks on this profile, for the specified idx */ 2951 for (i = hw->blk[blk].masks.first; i < hw->blk[blk].masks.first + 2952 hw->blk[blk].masks.count; i++) 2953 if (hw->blk[blk].es.mask_ena[prof] & BIT(i)) 2954 if (hw->blk[blk].masks.masks[i].in_use && 2955 hw->blk[blk].masks.masks[i].idx == idx) { 2956 found = true; 2957 if (hw->blk[blk].masks.masks[i].mask == mask) 2958 match = true; 2959 break; 2960 } 2961 2962 if (expect_no_mask) { 2963 if (found) 2964 return false; 2965 } else { 2966 if (!match) 2967 return false; 2968 } 2969 2970 return true; 2971 } 2972 2973 /** 2974 * ice_prof_has_mask - determine if profile masking is identical 2975 * @hw: pointer to the hardware structure 2976 * @blk: HW block 2977 * @prof: profile to check 2978 * @masks: masks to match 2979 */ 2980 static bool 2981 ice_prof_has_mask(struct ice_hw *hw, enum ice_block blk, u8 prof, u16 *masks) 2982 { 2983 u16 i; 2984 2985 /* es->mask_ena[prof] will have the mask */ 2986 for (i = 0; i < hw->blk[blk].es.fvw; i++) 2987 if (!ice_prof_has_mask_idx(hw, blk, prof, i, masks[i])) 2988 return false; 2989 2990 return true; 2991 } 2992 2993 /** 2994 * ice_find_prof_id_with_mask - find profile ID for a given field vector 2995 * @hw: pointer to the hardware structure 2996 * @blk: HW block 2997 * @fv: field vector to search for 2998 * @masks: masks for fv 2999 * @prof_id: receives the profile ID 3000 */ 3001 static enum ice_status 3002 ice_find_prof_id_with_mask(struct ice_hw *hw, enum ice_block blk, 3003 struct ice_fv_word *fv, u16 *masks, u8 *prof_id) 3004 { 3005 struct ice_es *es = &hw->blk[blk].es; 3006 u8 i; 3007 3008 /* For FD and RSS, we don't want to re-use an existed profile with the 3009 * same field vector and mask. This will cause rule interference. 3010 */ 3011 if (blk == ICE_BLK_FD || blk == ICE_BLK_RSS) 3012 return ICE_ERR_DOES_NOT_EXIST; 3013 3014 for (i = 0; i < (u8)es->count; i++) { 3015 u16 off = i * es->fvw; 3016 3017 if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv))) 3018 continue; 3019 3020 /* check if masks settings are the same for this profile */ 3021 if (masks && !ice_prof_has_mask(hw, blk, i, masks)) 3022 continue; 3023 3024 *prof_id = i; 3025 return ICE_SUCCESS; 3026 } 3027 3028 return ICE_ERR_DOES_NOT_EXIST; 3029 } 3030 3031 /** 3032 * ice_prof_id_rsrc_type - get profile ID resource type for a block type 3033 * @blk: the block type 3034 * @rsrc_type: pointer to variable to receive the resource type 3035 */ 3036 static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type) 3037 { 3038 switch (blk) { 3039 case ICE_BLK_SW: 3040 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_PROFID; 3041 break; 3042 case ICE_BLK_ACL: 3043 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_PROFID; 3044 break; 3045 case ICE_BLK_FD: 3046 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID; 3047 break; 3048 case ICE_BLK_RSS: 3049 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID; 3050 break; 3051 case ICE_BLK_PE: 3052 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_PROFID; 3053 break; 3054 default: 3055 return false; 3056 } 3057 return true; 3058 } 3059 3060 /** 3061 * ice_tcam_ent_rsrc_type - get TCAM entry resource type for a block type 3062 * @blk: the block type 3063 * @rsrc_type: pointer to variable to receive the resource type 3064 */ 3065 static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type) 3066 { 3067 switch (blk) { 3068 case ICE_BLK_SW: 3069 *rsrc_type = ICE_AQC_RES_TYPE_SWITCH_PROF_BLDR_TCAM; 3070 break; 3071 case ICE_BLK_ACL: 3072 *rsrc_type = ICE_AQC_RES_TYPE_ACL_PROF_BLDR_TCAM; 3073 break; 3074 case ICE_BLK_FD: 3075 *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM; 3076 break; 3077 case ICE_BLK_RSS: 3078 *rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM; 3079 break; 3080 case ICE_BLK_PE: 3081 *rsrc_type = ICE_AQC_RES_TYPE_QHASH_PROF_BLDR_TCAM; 3082 break; 3083 default: 3084 return false; 3085 } 3086 return true; 3087 } 3088 3089 /** 3090 * ice_alloc_tcam_ent - allocate hardware TCAM entry 3091 * @hw: pointer to the HW struct 3092 * @blk: the block to allocate the TCAM for 3093 * @btm: true to allocate from bottom of table, false to allocate from top 3094 * @tcam_idx: pointer to variable to receive the TCAM entry 3095 * 3096 * This function allocates a new entry in a Profile ID TCAM for a specific 3097 * block. 3098 */ 3099 static enum ice_status 3100 ice_alloc_tcam_ent(struct ice_hw *hw, enum ice_block blk, bool btm, 3101 u16 *tcam_idx) 3102 { 3103 u16 res_type; 3104 3105 if (!ice_tcam_ent_rsrc_type(blk, &res_type)) 3106 return ICE_ERR_PARAM; 3107 3108 return ice_alloc_hw_res(hw, res_type, 1, btm, tcam_idx); 3109 } 3110 3111 /** 3112 * ice_free_tcam_ent - free hardware TCAM entry 3113 * @hw: pointer to the HW struct 3114 * @blk: the block from which to free the TCAM entry 3115 * @tcam_idx: the TCAM entry to free 3116 * 3117 * This function frees an entry in a Profile ID TCAM for a specific block. 3118 */ 3119 static enum ice_status 3120 ice_free_tcam_ent(struct ice_hw *hw, enum ice_block blk, u16 tcam_idx) 3121 { 3122 u16 res_type; 3123 3124 if (!ice_tcam_ent_rsrc_type(blk, &res_type)) 3125 return ICE_ERR_PARAM; 3126 3127 return ice_free_hw_res(hw, res_type, 1, &tcam_idx); 3128 } 3129 3130 /** 3131 * ice_alloc_prof_id - allocate profile ID 3132 * @hw: pointer to the HW struct 3133 * @blk: the block to allocate the profile ID for 3134 * @prof_id: pointer to variable to receive the profile ID 3135 * 3136 * This function allocates a new profile ID, which also corresponds to a Field 3137 * Vector (Extraction Sequence) entry. 3138 */ 3139 static enum ice_status 3140 ice_alloc_prof_id(struct ice_hw *hw, enum ice_block blk, u8 *prof_id) 3141 { 3142 enum ice_status status; 3143 u16 res_type; 3144 u16 get_prof; 3145 3146 if (!ice_prof_id_rsrc_type(blk, &res_type)) 3147 return ICE_ERR_PARAM; 3148 3149 status = ice_alloc_hw_res(hw, res_type, 1, false, &get_prof); 3150 if (!status) 3151 *prof_id = (u8)get_prof; 3152 3153 return status; 3154 } 3155 3156 /** 3157 * ice_free_prof_id - free profile ID 3158 * @hw: pointer to the HW struct 3159 * @blk: the block from which to free the profile ID 3160 * @prof_id: the profile ID to free 3161 * 3162 * This function frees a profile ID, which also corresponds to a Field Vector. 3163 */ 3164 static enum ice_status 3165 ice_free_prof_id(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3166 { 3167 u16 tmp_prof_id = (u16)prof_id; 3168 u16 res_type; 3169 3170 if (!ice_prof_id_rsrc_type(blk, &res_type)) 3171 return ICE_ERR_PARAM; 3172 3173 return ice_free_hw_res(hw, res_type, 1, &tmp_prof_id); 3174 } 3175 3176 /** 3177 * ice_prof_inc_ref - increment reference count for profile 3178 * @hw: pointer to the HW struct 3179 * @blk: the block from which to free the profile ID 3180 * @prof_id: the profile ID for which to increment the reference count 3181 */ 3182 static enum ice_status 3183 ice_prof_inc_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3184 { 3185 if (prof_id > hw->blk[blk].es.count) 3186 return ICE_ERR_PARAM; 3187 3188 hw->blk[blk].es.ref_count[prof_id]++; 3189 3190 return ICE_SUCCESS; 3191 } 3192 3193 /** 3194 * ice_write_prof_mask_reg - write profile mask register 3195 * @hw: pointer to the HW struct 3196 * @blk: hardware block 3197 * @mask_idx: mask index 3198 * @idx: index of the FV which will use the mask 3199 * @mask: the 16-bit mask 3200 */ 3201 static void 3202 ice_write_prof_mask_reg(struct ice_hw *hw, enum ice_block blk, u16 mask_idx, 3203 u16 idx, u16 mask) 3204 { 3205 u32 offset; 3206 u32 val; 3207 3208 switch (blk) { 3209 case ICE_BLK_RSS: 3210 offset = GLQF_HMASK(mask_idx); 3211 val = (idx << GLQF_HMASK_MSK_INDEX_S) & 3212 GLQF_HMASK_MSK_INDEX_M; 3213 val |= (mask << GLQF_HMASK_MASK_S) & GLQF_HMASK_MASK_M; 3214 break; 3215 case ICE_BLK_FD: 3216 offset = GLQF_FDMASK(mask_idx); 3217 val = (idx << GLQF_FDMASK_MSK_INDEX_S) & 3218 GLQF_FDMASK_MSK_INDEX_M; 3219 val |= (mask << GLQF_FDMASK_MASK_S) & 3220 GLQF_FDMASK_MASK_M; 3221 break; 3222 default: 3223 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", 3224 blk); 3225 return; 3226 } 3227 3228 wr32(hw, offset, val); 3229 ice_debug(hw, ICE_DBG_PKG, "write mask, blk %d (%d): %x = %x\n", 3230 blk, idx, offset, val); 3231 } 3232 3233 /** 3234 * ice_write_prof_mask_enable_res - write profile mask enable register 3235 * @hw: pointer to the HW struct 3236 * @blk: hardware block 3237 * @prof_id: profile ID 3238 * @enable_mask: enable mask 3239 */ 3240 static void 3241 ice_write_prof_mask_enable_res(struct ice_hw *hw, enum ice_block blk, 3242 u16 prof_id, u32 enable_mask) 3243 { 3244 u32 offset; 3245 3246 switch (blk) { 3247 case ICE_BLK_RSS: 3248 offset = GLQF_HMASK_SEL(prof_id); 3249 break; 3250 case ICE_BLK_FD: 3251 offset = GLQF_FDMASK_SEL(prof_id); 3252 break; 3253 default: 3254 ice_debug(hw, ICE_DBG_PKG, "No profile masks for block %d\n", 3255 blk); 3256 return; 3257 } 3258 3259 wr32(hw, offset, enable_mask); 3260 ice_debug(hw, ICE_DBG_PKG, "write mask enable, blk %d (%d): %x = %x\n", 3261 blk, prof_id, offset, enable_mask); 3262 } 3263 3264 /** 3265 * ice_init_prof_masks - initial prof masks 3266 * @hw: pointer to the HW struct 3267 * @blk: hardware block 3268 */ 3269 static void ice_init_prof_masks(struct ice_hw *hw, enum ice_block blk) 3270 { 3271 u16 per_pf; 3272 u16 i; 3273 3274 ice_init_lock(&hw->blk[blk].masks.lock); 3275 3276 per_pf = ICE_PROF_MASK_COUNT / hw->dev_caps.num_funcs; 3277 3278 hw->blk[blk].masks.count = per_pf; 3279 hw->blk[blk].masks.first = hw->pf_id * per_pf; 3280 3281 ice_memset(hw->blk[blk].masks.masks, 0, 3282 sizeof(hw->blk[blk].masks.masks), ICE_NONDMA_MEM); 3283 3284 for (i = hw->blk[blk].masks.first; 3285 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) 3286 ice_write_prof_mask_reg(hw, blk, i, 0, 0); 3287 } 3288 3289 /** 3290 * ice_init_all_prof_masks - initial all prof masks 3291 * @hw: pointer to the HW struct 3292 */ 3293 void ice_init_all_prof_masks(struct ice_hw *hw) 3294 { 3295 ice_init_prof_masks(hw, ICE_BLK_RSS); 3296 ice_init_prof_masks(hw, ICE_BLK_FD); 3297 } 3298 3299 /** 3300 * ice_alloc_prof_mask - allocate profile mask 3301 * @hw: pointer to the HW struct 3302 * @blk: hardware block 3303 * @idx: index of FV which will use the mask 3304 * @mask: the 16-bit mask 3305 * @mask_idx: variable to receive the mask index 3306 */ 3307 static enum ice_status 3308 ice_alloc_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 idx, u16 mask, 3309 u16 *mask_idx) 3310 { 3311 bool found_unused = false, found_copy = false; 3312 enum ice_status status = ICE_ERR_MAX_LIMIT; 3313 u16 unused_idx = 0, copy_idx = 0; 3314 u16 i; 3315 3316 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3317 return ICE_ERR_PARAM; 3318 3319 ice_acquire_lock(&hw->blk[blk].masks.lock); 3320 3321 for (i = hw->blk[blk].masks.first; 3322 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) 3323 if (hw->blk[blk].masks.masks[i].in_use) { 3324 /* if mask is in use and it exactly duplicates the 3325 * desired mask and index, then in can be reused 3326 */ 3327 if (hw->blk[blk].masks.masks[i].mask == mask && 3328 hw->blk[blk].masks.masks[i].idx == idx) { 3329 found_copy = true; 3330 copy_idx = i; 3331 break; 3332 } 3333 } else { 3334 /* save off unused index, but keep searching in case 3335 * there is an exact match later on 3336 */ 3337 if (!found_unused) { 3338 found_unused = true; 3339 unused_idx = i; 3340 } 3341 } 3342 3343 if (found_copy) 3344 i = copy_idx; 3345 else if (found_unused) 3346 i = unused_idx; 3347 else 3348 goto err_ice_alloc_prof_mask; 3349 3350 /* update mask for a new entry */ 3351 if (found_unused) { 3352 hw->blk[blk].masks.masks[i].in_use = true; 3353 hw->blk[blk].masks.masks[i].mask = mask; 3354 hw->blk[blk].masks.masks[i].idx = idx; 3355 hw->blk[blk].masks.masks[i].ref = 0; 3356 ice_write_prof_mask_reg(hw, blk, i, idx, mask); 3357 } 3358 3359 hw->blk[blk].masks.masks[i].ref++; 3360 *mask_idx = i; 3361 status = ICE_SUCCESS; 3362 3363 err_ice_alloc_prof_mask: 3364 ice_release_lock(&hw->blk[blk].masks.lock); 3365 3366 return status; 3367 } 3368 3369 /** 3370 * ice_free_prof_mask - free profile mask 3371 * @hw: pointer to the HW struct 3372 * @blk: hardware block 3373 * @mask_idx: index of mask 3374 */ 3375 static enum ice_status 3376 ice_free_prof_mask(struct ice_hw *hw, enum ice_block blk, u16 mask_idx) 3377 { 3378 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3379 return ICE_ERR_PARAM; 3380 3381 if (!(mask_idx >= hw->blk[blk].masks.first && 3382 mask_idx < hw->blk[blk].masks.first + hw->blk[blk].masks.count)) 3383 return ICE_ERR_DOES_NOT_EXIST; 3384 3385 ice_acquire_lock(&hw->blk[blk].masks.lock); 3386 3387 if (!hw->blk[blk].masks.masks[mask_idx].in_use) 3388 goto exit_ice_free_prof_mask; 3389 3390 if (hw->blk[blk].masks.masks[mask_idx].ref > 1) { 3391 hw->blk[blk].masks.masks[mask_idx].ref--; 3392 goto exit_ice_free_prof_mask; 3393 } 3394 3395 /* remove mask */ 3396 hw->blk[blk].masks.masks[mask_idx].in_use = false; 3397 hw->blk[blk].masks.masks[mask_idx].mask = 0; 3398 hw->blk[blk].masks.masks[mask_idx].idx = 0; 3399 3400 /* update mask as unused entry */ 3401 ice_debug(hw, ICE_DBG_PKG, "Free mask, blk %d, mask %d\n", blk, 3402 mask_idx); 3403 ice_write_prof_mask_reg(hw, blk, mask_idx, 0, 0); 3404 3405 exit_ice_free_prof_mask: 3406 ice_release_lock(&hw->blk[blk].masks.lock); 3407 3408 return ICE_SUCCESS; 3409 } 3410 3411 /** 3412 * ice_free_prof_masks - free all profile masks for a profile 3413 * @hw: pointer to the HW struct 3414 * @blk: hardware block 3415 * @prof_id: profile ID 3416 */ 3417 static enum ice_status 3418 ice_free_prof_masks(struct ice_hw *hw, enum ice_block blk, u16 prof_id) 3419 { 3420 u32 mask_bm; 3421 u16 i; 3422 3423 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3424 return ICE_ERR_PARAM; 3425 3426 mask_bm = hw->blk[blk].es.mask_ena[prof_id]; 3427 for (i = 0; i < BITS_PER_BYTE * sizeof(mask_bm); i++) 3428 if (mask_bm & BIT(i)) 3429 ice_free_prof_mask(hw, blk, i); 3430 3431 return ICE_SUCCESS; 3432 } 3433 3434 /** 3435 * ice_shutdown_prof_masks - releases lock for masking 3436 * @hw: pointer to the HW struct 3437 * @blk: hardware block 3438 * 3439 * This should be called before unloading the driver 3440 */ 3441 static void ice_shutdown_prof_masks(struct ice_hw *hw, enum ice_block blk) 3442 { 3443 u16 i; 3444 3445 ice_acquire_lock(&hw->blk[blk].masks.lock); 3446 3447 for (i = hw->blk[blk].masks.first; 3448 i < hw->blk[blk].masks.first + hw->blk[blk].masks.count; i++) { 3449 ice_write_prof_mask_reg(hw, blk, i, 0, 0); 3450 3451 hw->blk[blk].masks.masks[i].in_use = false; 3452 hw->blk[blk].masks.masks[i].idx = 0; 3453 hw->blk[blk].masks.masks[i].mask = 0; 3454 } 3455 3456 ice_release_lock(&hw->blk[blk].masks.lock); 3457 ice_destroy_lock(&hw->blk[blk].masks.lock); 3458 } 3459 3460 /** 3461 * ice_shutdown_all_prof_masks - releases all locks for masking 3462 * @hw: pointer to the HW struct 3463 * 3464 * This should be called before unloading the driver 3465 */ 3466 void ice_shutdown_all_prof_masks(struct ice_hw *hw) 3467 { 3468 ice_shutdown_prof_masks(hw, ICE_BLK_RSS); 3469 ice_shutdown_prof_masks(hw, ICE_BLK_FD); 3470 } 3471 3472 /** 3473 * ice_update_prof_masking - set registers according to masking 3474 * @hw: pointer to the HW struct 3475 * @blk: hardware block 3476 * @prof_id: profile ID 3477 * @masks: masks 3478 */ 3479 static enum ice_status 3480 ice_update_prof_masking(struct ice_hw *hw, enum ice_block blk, u16 prof_id, 3481 u16 *masks) 3482 { 3483 bool err = false; 3484 u32 ena_mask = 0; 3485 u16 idx; 3486 u16 i; 3487 3488 /* Only support FD and RSS masking, otherwise nothing to be done */ 3489 if (blk != ICE_BLK_RSS && blk != ICE_BLK_FD) 3490 return ICE_SUCCESS; 3491 3492 for (i = 0; i < hw->blk[blk].es.fvw; i++) 3493 if (masks[i] && masks[i] != 0xFFFF) { 3494 if (!ice_alloc_prof_mask(hw, blk, i, masks[i], &idx)) { 3495 ena_mask |= BIT(idx); 3496 } else { 3497 /* not enough bitmaps */ 3498 err = true; 3499 break; 3500 } 3501 } 3502 3503 if (err) { 3504 /* free any bitmaps we have allocated */ 3505 for (i = 0; i < BITS_PER_BYTE * sizeof(ena_mask); i++) 3506 if (ena_mask & BIT(i)) 3507 ice_free_prof_mask(hw, blk, i); 3508 3509 return ICE_ERR_OUT_OF_RANGE; 3510 } 3511 3512 /* enable the masks for this profile */ 3513 ice_write_prof_mask_enable_res(hw, blk, prof_id, ena_mask); 3514 3515 /* store enabled masks with profile so that they can be freed later */ 3516 hw->blk[blk].es.mask_ena[prof_id] = ena_mask; 3517 3518 return ICE_SUCCESS; 3519 } 3520 3521 /** 3522 * ice_write_es - write an extraction sequence to hardware 3523 * @hw: pointer to the HW struct 3524 * @blk: the block in which to write the extraction sequence 3525 * @prof_id: the profile ID to write 3526 * @fv: pointer to the extraction sequence to write - NULL to clear extraction 3527 */ 3528 static void 3529 ice_write_es(struct ice_hw *hw, enum ice_block blk, u8 prof_id, 3530 struct ice_fv_word *fv) 3531 { 3532 u16 off; 3533 3534 off = prof_id * hw->blk[blk].es.fvw; 3535 if (!fv) { 3536 ice_memset(&hw->blk[blk].es.t[off], 0, hw->blk[blk].es.fvw * 3537 sizeof(*fv), ICE_NONDMA_MEM); 3538 hw->blk[blk].es.written[prof_id] = false; 3539 } else { 3540 ice_memcpy(&hw->blk[blk].es.t[off], fv, hw->blk[blk].es.fvw * 3541 sizeof(*fv), ICE_NONDMA_TO_NONDMA); 3542 } 3543 } 3544 3545 /** 3546 * ice_prof_dec_ref - decrement reference count for profile 3547 * @hw: pointer to the HW struct 3548 * @blk: the block from which to free the profile ID 3549 * @prof_id: the profile ID for which to decrement the reference count 3550 */ 3551 static enum ice_status 3552 ice_prof_dec_ref(struct ice_hw *hw, enum ice_block blk, u8 prof_id) 3553 { 3554 if (prof_id > hw->blk[blk].es.count) 3555 return ICE_ERR_PARAM; 3556 3557 if (hw->blk[blk].es.ref_count[prof_id] > 0) { 3558 if (!--hw->blk[blk].es.ref_count[prof_id]) { 3559 ice_write_es(hw, blk, prof_id, NULL); 3560 ice_free_prof_masks(hw, blk, prof_id); 3561 return ice_free_prof_id(hw, blk, prof_id); 3562 } 3563 } 3564 3565 return ICE_SUCCESS; 3566 } 3567 3568 /* Block / table section IDs */ 3569 static const u32 ice_blk_sids[ICE_BLK_COUNT][ICE_SID_OFF_COUNT] = { 3570 /* SWITCH */ 3571 { ICE_SID_XLT1_SW, 3572 ICE_SID_XLT2_SW, 3573 ICE_SID_PROFID_TCAM_SW, 3574 ICE_SID_PROFID_REDIR_SW, 3575 ICE_SID_FLD_VEC_SW 3576 }, 3577 3578 /* ACL */ 3579 { ICE_SID_XLT1_ACL, 3580 ICE_SID_XLT2_ACL, 3581 ICE_SID_PROFID_TCAM_ACL, 3582 ICE_SID_PROFID_REDIR_ACL, 3583 ICE_SID_FLD_VEC_ACL 3584 }, 3585 3586 /* FD */ 3587 { ICE_SID_XLT1_FD, 3588 ICE_SID_XLT2_FD, 3589 ICE_SID_PROFID_TCAM_FD, 3590 ICE_SID_PROFID_REDIR_FD, 3591 ICE_SID_FLD_VEC_FD 3592 }, 3593 3594 /* RSS */ 3595 { ICE_SID_XLT1_RSS, 3596 ICE_SID_XLT2_RSS, 3597 ICE_SID_PROFID_TCAM_RSS, 3598 ICE_SID_PROFID_REDIR_RSS, 3599 ICE_SID_FLD_VEC_RSS 3600 }, 3601 3602 /* PE */ 3603 { ICE_SID_XLT1_PE, 3604 ICE_SID_XLT2_PE, 3605 ICE_SID_PROFID_TCAM_PE, 3606 ICE_SID_PROFID_REDIR_PE, 3607 ICE_SID_FLD_VEC_PE 3608 } 3609 }; 3610 3611 /** 3612 * ice_init_sw_xlt1_db - init software XLT1 database from HW tables 3613 * @hw: pointer to the hardware structure 3614 * @blk: the HW block to initialize 3615 */ 3616 static void ice_init_sw_xlt1_db(struct ice_hw *hw, enum ice_block blk) 3617 { 3618 u16 pt; 3619 3620 for (pt = 0; pt < hw->blk[blk].xlt1.count; pt++) { 3621 u8 ptg; 3622 3623 ptg = hw->blk[blk].xlt1.t[pt]; 3624 if (ptg != ICE_DEFAULT_PTG) { 3625 ice_ptg_alloc_val(hw, blk, ptg); 3626 ice_ptg_add_mv_ptype(hw, blk, pt, ptg); 3627 } 3628 } 3629 } 3630 3631 /** 3632 * ice_init_sw_xlt2_db - init software XLT2 database from HW tables 3633 * @hw: pointer to the hardware structure 3634 * @blk: the HW block to initialize 3635 */ 3636 static void ice_init_sw_xlt2_db(struct ice_hw *hw, enum ice_block blk) 3637 { 3638 u16 vsi; 3639 3640 for (vsi = 0; vsi < hw->blk[blk].xlt2.count; vsi++) { 3641 u16 vsig; 3642 3643 vsig = hw->blk[blk].xlt2.t[vsi]; 3644 if (vsig) { 3645 ice_vsig_alloc_val(hw, blk, vsig); 3646 ice_vsig_add_mv_vsi(hw, blk, vsi, vsig); 3647 /* no changes at this time, since this has been 3648 * initialized from the original package 3649 */ 3650 hw->blk[blk].xlt2.vsis[vsi].changed = 0; 3651 } 3652 } 3653 } 3654 3655 /** 3656 * ice_init_sw_db - init software database from HW tables 3657 * @hw: pointer to the hardware structure 3658 */ 3659 static void ice_init_sw_db(struct ice_hw *hw) 3660 { 3661 u16 i; 3662 3663 for (i = 0; i < ICE_BLK_COUNT; i++) { 3664 ice_init_sw_xlt1_db(hw, (enum ice_block)i); 3665 ice_init_sw_xlt2_db(hw, (enum ice_block)i); 3666 } 3667 } 3668 3669 /** 3670 * ice_fill_tbl - Reads content of a single table type into database 3671 * @hw: pointer to the hardware structure 3672 * @block_id: Block ID of the table to copy 3673 * @sid: Section ID of the table to copy 3674 * 3675 * Will attempt to read the entire content of a given table of a single block 3676 * into the driver database. We assume that the buffer will always 3677 * be as large or larger than the data contained in the package. If 3678 * this condition is not met, there is most likely an error in the package 3679 * contents. 3680 */ 3681 static void ice_fill_tbl(struct ice_hw *hw, enum ice_block block_id, u32 sid) 3682 { 3683 u32 dst_len, sect_len, offset = 0; 3684 struct ice_prof_redir_section *pr; 3685 struct ice_prof_id_section *pid; 3686 struct ice_xlt1_section *xlt1; 3687 struct ice_xlt2_section *xlt2; 3688 struct ice_sw_fv_section *es; 3689 struct ice_pkg_enum state; 3690 u8 *src, *dst; 3691 void *sect; 3692 3693 /* if the HW segment pointer is null then the first iteration of 3694 * ice_pkg_enum_section() will fail. In this case the HW tables will 3695 * not be filled and return success. 3696 */ 3697 if (!hw->seg) { 3698 ice_debug(hw, ICE_DBG_PKG, "hw->seg is NULL, tables are not filled\n"); 3699 return; 3700 } 3701 3702 ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM); 3703 3704 sect = ice_pkg_enum_section(hw->seg, &state, sid); 3705 3706 while (sect) { 3707 switch (sid) { 3708 case ICE_SID_XLT1_SW: 3709 case ICE_SID_XLT1_FD: 3710 case ICE_SID_XLT1_RSS: 3711 case ICE_SID_XLT1_ACL: 3712 case ICE_SID_XLT1_PE: 3713 xlt1 = (struct ice_xlt1_section *)sect; 3714 src = xlt1->value; 3715 sect_len = LE16_TO_CPU(xlt1->count) * 3716 sizeof(*hw->blk[block_id].xlt1.t); 3717 dst = hw->blk[block_id].xlt1.t; 3718 dst_len = hw->blk[block_id].xlt1.count * 3719 sizeof(*hw->blk[block_id].xlt1.t); 3720 break; 3721 case ICE_SID_XLT2_SW: 3722 case ICE_SID_XLT2_FD: 3723 case ICE_SID_XLT2_RSS: 3724 case ICE_SID_XLT2_ACL: 3725 case ICE_SID_XLT2_PE: 3726 xlt2 = (struct ice_xlt2_section *)sect; 3727 src = (_FORCE_ u8 *)xlt2->value; 3728 sect_len = LE16_TO_CPU(xlt2->count) * 3729 sizeof(*hw->blk[block_id].xlt2.t); 3730 dst = (u8 *)hw->blk[block_id].xlt2.t; 3731 dst_len = hw->blk[block_id].xlt2.count * 3732 sizeof(*hw->blk[block_id].xlt2.t); 3733 break; 3734 case ICE_SID_PROFID_TCAM_SW: 3735 case ICE_SID_PROFID_TCAM_FD: 3736 case ICE_SID_PROFID_TCAM_RSS: 3737 case ICE_SID_PROFID_TCAM_ACL: 3738 case ICE_SID_PROFID_TCAM_PE: 3739 pid = (struct ice_prof_id_section *)sect; 3740 src = (u8 *)pid->entry; 3741 sect_len = LE16_TO_CPU(pid->count) * 3742 sizeof(*hw->blk[block_id].prof.t); 3743 dst = (u8 *)hw->blk[block_id].prof.t; 3744 dst_len = hw->blk[block_id].prof.count * 3745 sizeof(*hw->blk[block_id].prof.t); 3746 break; 3747 case ICE_SID_PROFID_REDIR_SW: 3748 case ICE_SID_PROFID_REDIR_FD: 3749 case ICE_SID_PROFID_REDIR_RSS: 3750 case ICE_SID_PROFID_REDIR_ACL: 3751 case ICE_SID_PROFID_REDIR_PE: 3752 pr = (struct ice_prof_redir_section *)sect; 3753 src = pr->redir_value; 3754 sect_len = LE16_TO_CPU(pr->count) * 3755 sizeof(*hw->blk[block_id].prof_redir.t); 3756 dst = hw->blk[block_id].prof_redir.t; 3757 dst_len = hw->blk[block_id].prof_redir.count * 3758 sizeof(*hw->blk[block_id].prof_redir.t); 3759 break; 3760 case ICE_SID_FLD_VEC_SW: 3761 case ICE_SID_FLD_VEC_FD: 3762 case ICE_SID_FLD_VEC_RSS: 3763 case ICE_SID_FLD_VEC_ACL: 3764 case ICE_SID_FLD_VEC_PE: 3765 es = (struct ice_sw_fv_section *)sect; 3766 src = (u8 *)es->fv; 3767 sect_len = (u32)(LE16_TO_CPU(es->count) * 3768 hw->blk[block_id].es.fvw) * 3769 sizeof(*hw->blk[block_id].es.t); 3770 dst = (u8 *)hw->blk[block_id].es.t; 3771 dst_len = (u32)(hw->blk[block_id].es.count * 3772 hw->blk[block_id].es.fvw) * 3773 sizeof(*hw->blk[block_id].es.t); 3774 break; 3775 default: 3776 return; 3777 } 3778 3779 /* if the section offset exceeds destination length, terminate 3780 * table fill. 3781 */ 3782 if (offset > dst_len) 3783 return; 3784 3785 /* if the sum of section size and offset exceed destination size 3786 * then we are out of bounds of the HW table size for that PF. 3787 * Changing section length to fill the remaining table space 3788 * of that PF. 3789 */ 3790 if ((offset + sect_len) > dst_len) 3791 sect_len = dst_len - offset; 3792 3793 ice_memcpy(dst + offset, src, sect_len, ICE_NONDMA_TO_NONDMA); 3794 offset += sect_len; 3795 sect = ice_pkg_enum_section(NULL, &state, sid); 3796 } 3797 } 3798 3799 /** 3800 * ice_fill_blk_tbls - Read package context for tables 3801 * @hw: pointer to the hardware structure 3802 * 3803 * Reads the current package contents and populates the driver 3804 * database with the data iteratively for all advanced feature 3805 * blocks. Assume that the HW tables have been allocated. 3806 */ 3807 void ice_fill_blk_tbls(struct ice_hw *hw) 3808 { 3809 u8 i; 3810 3811 for (i = 0; i < ICE_BLK_COUNT; i++) { 3812 enum ice_block blk_id = (enum ice_block)i; 3813 3814 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt1.sid); 3815 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].xlt2.sid); 3816 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof.sid); 3817 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].prof_redir.sid); 3818 ice_fill_tbl(hw, blk_id, hw->blk[blk_id].es.sid); 3819 } 3820 3821 ice_init_sw_db(hw); 3822 } 3823 3824 /** 3825 * ice_free_prof_map - free profile map 3826 * @hw: pointer to the hardware structure 3827 * @blk_idx: HW block index 3828 */ 3829 static void ice_free_prof_map(struct ice_hw *hw, u8 blk_idx) 3830 { 3831 struct ice_es *es = &hw->blk[blk_idx].es; 3832 struct ice_prof_map *del, *tmp; 3833 3834 ice_acquire_lock(&es->prof_map_lock); 3835 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &es->prof_map, 3836 ice_prof_map, list) { 3837 LIST_DEL(&del->list); 3838 ice_free(hw, del); 3839 } 3840 INIT_LIST_HEAD(&es->prof_map); 3841 ice_release_lock(&es->prof_map_lock); 3842 } 3843 3844 /** 3845 * ice_free_flow_profs - free flow profile entries 3846 * @hw: pointer to the hardware structure 3847 * @blk_idx: HW block index 3848 */ 3849 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx) 3850 { 3851 struct ice_flow_prof *p, *tmp; 3852 3853 ice_acquire_lock(&hw->fl_profs_locks[blk_idx]); 3854 LIST_FOR_EACH_ENTRY_SAFE(p, tmp, &hw->fl_profs[blk_idx], 3855 ice_flow_prof, l_entry) { 3856 struct ice_flow_entry *e, *t; 3857 3858 LIST_FOR_EACH_ENTRY_SAFE(e, t, &p->entries, 3859 ice_flow_entry, l_entry) 3860 ice_flow_rem_entry(hw, (enum ice_block)blk_idx, 3861 ICE_FLOW_ENTRY_HNDL(e)); 3862 3863 LIST_DEL(&p->l_entry); 3864 if (p->acts) 3865 ice_free(hw, p->acts); 3866 3867 ice_destroy_lock(&p->entries_lock); 3868 ice_free(hw, p); 3869 } 3870 ice_release_lock(&hw->fl_profs_locks[blk_idx]); 3871 3872 /* if driver is in reset and tables are being cleared 3873 * re-initialize the flow profile list heads 3874 */ 3875 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]); 3876 } 3877 3878 /** 3879 * ice_free_vsig_tbl - free complete VSIG table entries 3880 * @hw: pointer to the hardware structure 3881 * @blk: the HW block on which to free the VSIG table entries 3882 */ 3883 static void ice_free_vsig_tbl(struct ice_hw *hw, enum ice_block blk) 3884 { 3885 u16 i; 3886 3887 if (!hw->blk[blk].xlt2.vsig_tbl) 3888 return; 3889 3890 for (i = 1; i < ICE_MAX_VSIGS; i++) 3891 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) 3892 ice_vsig_free(hw, blk, i); 3893 } 3894 3895 /** 3896 * ice_free_hw_tbls - free hardware table memory 3897 * @hw: pointer to the hardware structure 3898 */ 3899 void ice_free_hw_tbls(struct ice_hw *hw) 3900 { 3901 struct ice_rss_cfg *r, *rt; 3902 u8 i; 3903 3904 for (i = 0; i < ICE_BLK_COUNT; i++) { 3905 if (hw->blk[i].is_list_init) { 3906 struct ice_es *es = &hw->blk[i].es; 3907 3908 ice_free_prof_map(hw, i); 3909 ice_destroy_lock(&es->prof_map_lock); 3910 ice_free_flow_profs(hw, i); 3911 ice_destroy_lock(&hw->fl_profs_locks[i]); 3912 3913 hw->blk[i].is_list_init = false; 3914 } 3915 ice_free_vsig_tbl(hw, (enum ice_block)i); 3916 ice_free(hw, hw->blk[i].xlt1.ptypes); 3917 ice_free(hw, hw->blk[i].xlt1.ptg_tbl); 3918 ice_free(hw, hw->blk[i].xlt1.t); 3919 ice_free(hw, hw->blk[i].xlt2.t); 3920 ice_free(hw, hw->blk[i].xlt2.vsig_tbl); 3921 ice_free(hw, hw->blk[i].xlt2.vsis); 3922 ice_free(hw, hw->blk[i].prof.t); 3923 ice_free(hw, hw->blk[i].prof_redir.t); 3924 ice_free(hw, hw->blk[i].es.t); 3925 ice_free(hw, hw->blk[i].es.ref_count); 3926 ice_free(hw, hw->blk[i].es.written); 3927 ice_free(hw, hw->blk[i].es.mask_ena); 3928 } 3929 3930 LIST_FOR_EACH_ENTRY_SAFE(r, rt, &hw->rss_list_head, 3931 ice_rss_cfg, l_entry) { 3932 LIST_DEL(&r->l_entry); 3933 ice_free(hw, r); 3934 } 3935 ice_destroy_lock(&hw->rss_locks); 3936 if (!hw->dcf_enabled) 3937 ice_shutdown_all_prof_masks(hw); 3938 ice_memset(hw->blk, 0, sizeof(hw->blk), ICE_NONDMA_MEM); 3939 } 3940 3941 /** 3942 * ice_init_flow_profs - init flow profile locks and list heads 3943 * @hw: pointer to the hardware structure 3944 * @blk_idx: HW block index 3945 */ 3946 static void ice_init_flow_profs(struct ice_hw *hw, u8 blk_idx) 3947 { 3948 ice_init_lock(&hw->fl_profs_locks[blk_idx]); 3949 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]); 3950 } 3951 3952 /** 3953 * ice_clear_hw_tbls - clear HW tables and flow profiles 3954 * @hw: pointer to the hardware structure 3955 */ 3956 void ice_clear_hw_tbls(struct ice_hw *hw) 3957 { 3958 u8 i; 3959 3960 for (i = 0; i < ICE_BLK_COUNT; i++) { 3961 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; 3962 struct ice_prof_tcam *prof = &hw->blk[i].prof; 3963 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; 3964 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; 3965 struct ice_es *es = &hw->blk[i].es; 3966 3967 if (hw->blk[i].is_list_init) { 3968 ice_free_prof_map(hw, i); 3969 ice_free_flow_profs(hw, i); 3970 } 3971 3972 ice_free_vsig_tbl(hw, (enum ice_block)i); 3973 3974 ice_memset(xlt1->ptypes, 0, xlt1->count * sizeof(*xlt1->ptypes), 3975 ICE_NONDMA_MEM); 3976 ice_memset(xlt1->ptg_tbl, 0, 3977 ICE_MAX_PTGS * sizeof(*xlt1->ptg_tbl), 3978 ICE_NONDMA_MEM); 3979 ice_memset(xlt1->t, 0, xlt1->count * sizeof(*xlt1->t), 3980 ICE_NONDMA_MEM); 3981 3982 ice_memset(xlt2->vsis, 0, xlt2->count * sizeof(*xlt2->vsis), 3983 ICE_NONDMA_MEM); 3984 ice_memset(xlt2->vsig_tbl, 0, 3985 xlt2->count * sizeof(*xlt2->vsig_tbl), 3986 ICE_NONDMA_MEM); 3987 ice_memset(xlt2->t, 0, xlt2->count * sizeof(*xlt2->t), 3988 ICE_NONDMA_MEM); 3989 3990 ice_memset(prof->t, 0, prof->count * sizeof(*prof->t), 3991 ICE_NONDMA_MEM); 3992 ice_memset(prof_redir->t, 0, 3993 prof_redir->count * sizeof(*prof_redir->t), 3994 ICE_NONDMA_MEM); 3995 3996 ice_memset(es->t, 0, es->count * sizeof(*es->t) * es->fvw, 3997 ICE_NONDMA_MEM); 3998 ice_memset(es->ref_count, 0, es->count * sizeof(*es->ref_count), 3999 ICE_NONDMA_MEM); 4000 ice_memset(es->written, 0, es->count * sizeof(*es->written), 4001 ICE_NONDMA_MEM); 4002 ice_memset(es->mask_ena, 0, es->count * sizeof(*es->mask_ena), 4003 ICE_NONDMA_MEM); 4004 } 4005 } 4006 4007 /** 4008 * ice_init_hw_tbls - init hardware table memory 4009 * @hw: pointer to the hardware structure 4010 */ 4011 enum ice_status ice_init_hw_tbls(struct ice_hw *hw) 4012 { 4013 u8 i; 4014 4015 ice_init_lock(&hw->rss_locks); 4016 INIT_LIST_HEAD(&hw->rss_list_head); 4017 if (!hw->dcf_enabled) 4018 ice_init_all_prof_masks(hw); 4019 for (i = 0; i < ICE_BLK_COUNT; i++) { 4020 struct ice_prof_redir *prof_redir = &hw->blk[i].prof_redir; 4021 struct ice_prof_tcam *prof = &hw->blk[i].prof; 4022 struct ice_xlt1 *xlt1 = &hw->blk[i].xlt1; 4023 struct ice_xlt2 *xlt2 = &hw->blk[i].xlt2; 4024 struct ice_es *es = &hw->blk[i].es; 4025 u16 j; 4026 4027 if (hw->blk[i].is_list_init) 4028 continue; 4029 4030 ice_init_flow_profs(hw, i); 4031 ice_init_lock(&es->prof_map_lock); 4032 INIT_LIST_HEAD(&es->prof_map); 4033 hw->blk[i].is_list_init = true; 4034 4035 hw->blk[i].overwrite = blk_sizes[i].overwrite; 4036 es->reverse = blk_sizes[i].reverse; 4037 4038 xlt1->sid = ice_blk_sids[i][ICE_SID_XLT1_OFF]; 4039 xlt1->count = blk_sizes[i].xlt1; 4040 4041 xlt1->ptypes = (struct ice_ptg_ptype *) 4042 ice_calloc(hw, xlt1->count, sizeof(*xlt1->ptypes)); 4043 4044 if (!xlt1->ptypes) 4045 goto err; 4046 4047 xlt1->ptg_tbl = (struct ice_ptg_entry *) 4048 ice_calloc(hw, ICE_MAX_PTGS, sizeof(*xlt1->ptg_tbl)); 4049 4050 if (!xlt1->ptg_tbl) 4051 goto err; 4052 4053 xlt1->t = (u8 *)ice_calloc(hw, xlt1->count, sizeof(*xlt1->t)); 4054 if (!xlt1->t) 4055 goto err; 4056 4057 xlt2->sid = ice_blk_sids[i][ICE_SID_XLT2_OFF]; 4058 xlt2->count = blk_sizes[i].xlt2; 4059 4060 xlt2->vsis = (struct ice_vsig_vsi *) 4061 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsis)); 4062 4063 if (!xlt2->vsis) 4064 goto err; 4065 4066 xlt2->vsig_tbl = (struct ice_vsig_entry *) 4067 ice_calloc(hw, xlt2->count, sizeof(*xlt2->vsig_tbl)); 4068 if (!xlt2->vsig_tbl) 4069 goto err; 4070 4071 for (j = 0; j < xlt2->count; j++) 4072 INIT_LIST_HEAD(&xlt2->vsig_tbl[j].prop_lst); 4073 4074 xlt2->t = (u16 *)ice_calloc(hw, xlt2->count, sizeof(*xlt2->t)); 4075 if (!xlt2->t) 4076 goto err; 4077 4078 prof->sid = ice_blk_sids[i][ICE_SID_PR_OFF]; 4079 prof->count = blk_sizes[i].prof_tcam; 4080 prof->max_prof_id = blk_sizes[i].prof_id; 4081 prof->cdid_bits = blk_sizes[i].prof_cdid_bits; 4082 prof->t = (struct ice_prof_tcam_entry *) 4083 ice_calloc(hw, prof->count, sizeof(*prof->t)); 4084 4085 if (!prof->t) 4086 goto err; 4087 4088 prof_redir->sid = ice_blk_sids[i][ICE_SID_PR_REDIR_OFF]; 4089 prof_redir->count = blk_sizes[i].prof_redir; 4090 prof_redir->t = (u8 *)ice_calloc(hw, prof_redir->count, 4091 sizeof(*prof_redir->t)); 4092 4093 if (!prof_redir->t) 4094 goto err; 4095 4096 es->sid = ice_blk_sids[i][ICE_SID_ES_OFF]; 4097 es->count = blk_sizes[i].es; 4098 es->fvw = blk_sizes[i].fvw; 4099 es->t = (struct ice_fv_word *) 4100 ice_calloc(hw, (u32)(es->count * es->fvw), 4101 sizeof(*es->t)); 4102 if (!es->t) 4103 goto err; 4104 4105 es->ref_count = (u16 *) 4106 ice_calloc(hw, es->count, sizeof(*es->ref_count)); 4107 4108 if (!es->ref_count) 4109 goto err; 4110 4111 es->written = (u8 *) 4112 ice_calloc(hw, es->count, sizeof(*es->written)); 4113 4114 if (!es->written) 4115 goto err; 4116 4117 es->mask_ena = (u32 *) 4118 ice_calloc(hw, es->count, sizeof(*es->mask_ena)); 4119 4120 if (!es->mask_ena) 4121 goto err; 4122 } 4123 return ICE_SUCCESS; 4124 4125 err: 4126 ice_free_hw_tbls(hw); 4127 return ICE_ERR_NO_MEMORY; 4128 } 4129 4130 /** 4131 * ice_prof_gen_key - generate profile ID key 4132 * @hw: pointer to the HW struct 4133 * @blk: the block in which to write profile ID to 4134 * @ptg: packet type group (PTG) portion of key 4135 * @vsig: VSIG portion of key 4136 * @cdid: CDID portion of key 4137 * @flags: flag portion of key 4138 * @vl_msk: valid mask 4139 * @dc_msk: don't care mask 4140 * @nm_msk: never match mask 4141 * @key: output of profile ID key 4142 */ 4143 static enum ice_status 4144 ice_prof_gen_key(struct ice_hw *hw, enum ice_block blk, u8 ptg, u16 vsig, 4145 u8 cdid, u16 flags, u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], 4146 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], u8 nm_msk[ICE_TCAM_KEY_VAL_SZ], 4147 u8 key[ICE_TCAM_KEY_SZ]) 4148 { 4149 struct ice_prof_id_key inkey; 4150 4151 inkey.xlt1 = ptg; 4152 inkey.xlt2_cdid = CPU_TO_LE16(vsig); 4153 inkey.flags = CPU_TO_LE16(flags); 4154 4155 switch (hw->blk[blk].prof.cdid_bits) { 4156 case 0: 4157 break; 4158 case 2: 4159 #define ICE_CD_2_M 0xC000U 4160 #define ICE_CD_2_S 14 4161 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_2_M); 4162 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_2_S); 4163 break; 4164 case 4: 4165 #define ICE_CD_4_M 0xF000U 4166 #define ICE_CD_4_S 12 4167 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_4_M); 4168 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_4_S); 4169 break; 4170 case 8: 4171 #define ICE_CD_8_M 0xFF00U 4172 #define ICE_CD_8_S 16 4173 inkey.xlt2_cdid &= ~CPU_TO_LE16(ICE_CD_8_M); 4174 inkey.xlt2_cdid |= CPU_TO_LE16(BIT(cdid) << ICE_CD_8_S); 4175 break; 4176 default: 4177 ice_debug(hw, ICE_DBG_PKG, "Error in profile config\n"); 4178 break; 4179 } 4180 4181 return ice_set_key(key, ICE_TCAM_KEY_SZ, (u8 *)&inkey, vl_msk, dc_msk, 4182 nm_msk, 0, ICE_TCAM_KEY_SZ / 2); 4183 } 4184 4185 /** 4186 * ice_tcam_write_entry - write TCAM entry 4187 * @hw: pointer to the HW struct 4188 * @blk: the block in which to write profile ID to 4189 * @idx: the entry index to write to 4190 * @prof_id: profile ID 4191 * @ptg: packet type group (PTG) portion of key 4192 * @vsig: VSIG portion of key 4193 * @cdid: CDID portion of key 4194 * @flags: flag portion of key 4195 * @vl_msk: valid mask 4196 * @dc_msk: don't care mask 4197 * @nm_msk: never match mask 4198 */ 4199 static enum ice_status 4200 ice_tcam_write_entry(struct ice_hw *hw, enum ice_block blk, u16 idx, 4201 u8 prof_id, u8 ptg, u16 vsig, u8 cdid, u16 flags, 4202 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ], 4203 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ], 4204 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ]) 4205 { 4206 struct ice_prof_tcam_entry; 4207 enum ice_status status; 4208 4209 status = ice_prof_gen_key(hw, blk, ptg, vsig, cdid, flags, vl_msk, 4210 dc_msk, nm_msk, hw->blk[blk].prof.t[idx].key); 4211 if (!status) { 4212 hw->blk[blk].prof.t[idx].addr = CPU_TO_LE16(idx); 4213 hw->blk[blk].prof.t[idx].prof_id = prof_id; 4214 } 4215 4216 return status; 4217 } 4218 4219 /** 4220 * ice_vsig_get_ref - returns number of VSIs belong to a VSIG 4221 * @hw: pointer to the hardware structure 4222 * @blk: HW block 4223 * @vsig: VSIG to query 4224 * @refs: pointer to variable to receive the reference count 4225 */ 4226 static enum ice_status 4227 ice_vsig_get_ref(struct ice_hw *hw, enum ice_block blk, u16 vsig, u16 *refs) 4228 { 4229 u16 idx = vsig & ICE_VSIG_IDX_M; 4230 struct ice_vsig_vsi *ptr; 4231 4232 *refs = 0; 4233 4234 if (!hw->blk[blk].xlt2.vsig_tbl[idx].in_use) 4235 return ICE_ERR_DOES_NOT_EXIST; 4236 4237 ptr = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 4238 while (ptr) { 4239 (*refs)++; 4240 ptr = ptr->next_vsi; 4241 } 4242 4243 return ICE_SUCCESS; 4244 } 4245 4246 /** 4247 * ice_has_prof_vsig - check to see if VSIG has a specific profile 4248 * @hw: pointer to the hardware structure 4249 * @blk: HW block 4250 * @vsig: VSIG to check against 4251 * @hdl: profile handle 4252 */ 4253 static bool 4254 ice_has_prof_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl) 4255 { 4256 u16 idx = vsig & ICE_VSIG_IDX_M; 4257 struct ice_vsig_prof *ent; 4258 4259 LIST_FOR_EACH_ENTRY(ent, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4260 ice_vsig_prof, list) 4261 if (ent->profile_cookie == hdl) 4262 return true; 4263 4264 ice_debug(hw, ICE_DBG_INIT, "Characteristic list for VSI group %d not found.\n", 4265 vsig); 4266 return false; 4267 } 4268 4269 /** 4270 * ice_prof_bld_es - build profile ID extraction sequence changes 4271 * @hw: pointer to the HW struct 4272 * @blk: hardware block 4273 * @bld: the update package buffer build to add to 4274 * @chgs: the list of changes to make in hardware 4275 */ 4276 static enum ice_status 4277 ice_prof_bld_es(struct ice_hw *hw, enum ice_block blk, 4278 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs) 4279 { 4280 u16 vec_size = hw->blk[blk].es.fvw * sizeof(struct ice_fv_word); 4281 struct ice_chs_chg *tmp; 4282 4283 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4284 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_prof) { 4285 u16 off = tmp->prof_id * hw->blk[blk].es.fvw; 4286 struct ice_pkg_es *p; 4287 u32 id; 4288 4289 id = ice_sect_id(blk, ICE_VEC_TBL); 4290 p = (struct ice_pkg_es *) 4291 ice_pkg_buf_alloc_section(bld, id, 4292 ice_struct_size(p, es, 4293 1) + 4294 vec_size - 4295 sizeof(p->es[0])); 4296 4297 if (!p) 4298 return ICE_ERR_MAX_LIMIT; 4299 4300 p->count = CPU_TO_LE16(1); 4301 p->offset = CPU_TO_LE16(tmp->prof_id); 4302 4303 ice_memcpy(p->es, &hw->blk[blk].es.t[off], vec_size, 4304 ICE_NONDMA_TO_NONDMA); 4305 } 4306 4307 return ICE_SUCCESS; 4308 } 4309 4310 /** 4311 * ice_prof_bld_tcam - build profile ID TCAM changes 4312 * @hw: pointer to the HW struct 4313 * @blk: hardware block 4314 * @bld: the update package buffer build to add to 4315 * @chgs: the list of changes to make in hardware 4316 */ 4317 static enum ice_status 4318 ice_prof_bld_tcam(struct ice_hw *hw, enum ice_block blk, 4319 struct ice_buf_build *bld, struct LIST_HEAD_TYPE *chgs) 4320 { 4321 struct ice_chs_chg *tmp; 4322 4323 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4324 if (tmp->type == ICE_TCAM_ADD && tmp->add_tcam_idx) { 4325 struct ice_prof_id_section *p; 4326 u32 id; 4327 4328 id = ice_sect_id(blk, ICE_PROF_TCAM); 4329 p = (struct ice_prof_id_section *) 4330 ice_pkg_buf_alloc_section(bld, id, 4331 ice_struct_size(p, 4332 entry, 4333 1)); 4334 4335 if (!p) 4336 return ICE_ERR_MAX_LIMIT; 4337 4338 p->count = CPU_TO_LE16(1); 4339 p->entry[0].addr = CPU_TO_LE16(tmp->tcam_idx); 4340 p->entry[0].prof_id = tmp->prof_id; 4341 4342 ice_memcpy(p->entry[0].key, 4343 &hw->blk[blk].prof.t[tmp->tcam_idx].key, 4344 sizeof(hw->blk[blk].prof.t->key), 4345 ICE_NONDMA_TO_NONDMA); 4346 } 4347 4348 return ICE_SUCCESS; 4349 } 4350 4351 /** 4352 * ice_prof_bld_xlt1 - build XLT1 changes 4353 * @blk: hardware block 4354 * @bld: the update package buffer build to add to 4355 * @chgs: the list of changes to make in hardware 4356 */ 4357 static enum ice_status 4358 ice_prof_bld_xlt1(enum ice_block blk, struct ice_buf_build *bld, 4359 struct LIST_HEAD_TYPE *chgs) 4360 { 4361 struct ice_chs_chg *tmp; 4362 4363 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) 4364 if (tmp->type == ICE_PTG_ES_ADD && tmp->add_ptg) { 4365 struct ice_xlt1_section *p; 4366 u32 id; 4367 4368 id = ice_sect_id(blk, ICE_XLT1); 4369 p = (struct ice_xlt1_section *) 4370 ice_pkg_buf_alloc_section(bld, id, 4371 ice_struct_size(p, 4372 value, 4373 1)); 4374 4375 if (!p) 4376 return ICE_ERR_MAX_LIMIT; 4377 4378 p->count = CPU_TO_LE16(1); 4379 p->offset = CPU_TO_LE16(tmp->ptype); 4380 p->value[0] = tmp->ptg; 4381 } 4382 4383 return ICE_SUCCESS; 4384 } 4385 4386 /** 4387 * ice_prof_bld_xlt2 - build XLT2 changes 4388 * @blk: hardware block 4389 * @bld: the update package buffer build to add to 4390 * @chgs: the list of changes to make in hardware 4391 */ 4392 static enum ice_status 4393 ice_prof_bld_xlt2(enum ice_block blk, struct ice_buf_build *bld, 4394 struct LIST_HEAD_TYPE *chgs) 4395 { 4396 struct ice_chs_chg *tmp; 4397 4398 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) { 4399 struct ice_xlt2_section *p; 4400 u32 id; 4401 4402 switch (tmp->type) { 4403 case ICE_VSIG_ADD: 4404 case ICE_VSI_MOVE: 4405 case ICE_VSIG_REM: 4406 id = ice_sect_id(blk, ICE_XLT2); 4407 p = (struct ice_xlt2_section *) 4408 ice_pkg_buf_alloc_section(bld, id, 4409 ice_struct_size(p, 4410 value, 4411 1)); 4412 4413 if (!p) 4414 return ICE_ERR_MAX_LIMIT; 4415 4416 p->count = CPU_TO_LE16(1); 4417 p->offset = CPU_TO_LE16(tmp->vsi); 4418 p->value[0] = CPU_TO_LE16(tmp->vsig); 4419 break; 4420 default: 4421 break; 4422 } 4423 } 4424 4425 return ICE_SUCCESS; 4426 } 4427 4428 /** 4429 * ice_upd_prof_hw - update hardware using the change list 4430 * @hw: pointer to the HW struct 4431 * @blk: hardware block 4432 * @chgs: the list of changes to make in hardware 4433 */ 4434 static enum ice_status 4435 ice_upd_prof_hw(struct ice_hw *hw, enum ice_block blk, 4436 struct LIST_HEAD_TYPE *chgs) 4437 { 4438 struct ice_buf_build *b; 4439 struct ice_chs_chg *tmp; 4440 enum ice_status status; 4441 u16 pkg_sects; 4442 u16 xlt1 = 0; 4443 u16 xlt2 = 0; 4444 u16 tcam = 0; 4445 u16 es = 0; 4446 u16 sects; 4447 4448 /* count number of sections we need */ 4449 LIST_FOR_EACH_ENTRY(tmp, chgs, ice_chs_chg, list_entry) { 4450 switch (tmp->type) { 4451 case ICE_PTG_ES_ADD: 4452 if (tmp->add_ptg) 4453 xlt1++; 4454 if (tmp->add_prof) 4455 es++; 4456 break; 4457 case ICE_TCAM_ADD: 4458 tcam++; 4459 break; 4460 case ICE_VSIG_ADD: 4461 case ICE_VSI_MOVE: 4462 case ICE_VSIG_REM: 4463 xlt2++; 4464 break; 4465 default: 4466 break; 4467 } 4468 } 4469 sects = xlt1 + xlt2 + tcam + es; 4470 4471 if (!sects) 4472 return ICE_SUCCESS; 4473 4474 /* Build update package buffer */ 4475 b = ice_pkg_buf_alloc(hw); 4476 if (!b) 4477 return ICE_ERR_NO_MEMORY; 4478 4479 status = ice_pkg_buf_reserve_section(b, sects); 4480 if (status) 4481 goto error_tmp; 4482 4483 /* Preserve order of table update: ES, TCAM, PTG, VSIG */ 4484 if (es) { 4485 status = ice_prof_bld_es(hw, blk, b, chgs); 4486 if (status) 4487 goto error_tmp; 4488 } 4489 4490 if (tcam) { 4491 status = ice_prof_bld_tcam(hw, blk, b, chgs); 4492 if (status) 4493 goto error_tmp; 4494 } 4495 4496 if (xlt1) { 4497 status = ice_prof_bld_xlt1(blk, b, chgs); 4498 if (status) 4499 goto error_tmp; 4500 } 4501 4502 if (xlt2) { 4503 status = ice_prof_bld_xlt2(blk, b, chgs); 4504 if (status) 4505 goto error_tmp; 4506 } 4507 4508 /* After package buffer build check if the section count in buffer is 4509 * non-zero and matches the number of sections detected for package 4510 * update. 4511 */ 4512 pkg_sects = ice_pkg_buf_get_active_sections(b); 4513 if (!pkg_sects || pkg_sects != sects) { 4514 status = ICE_ERR_INVAL_SIZE; 4515 goto error_tmp; 4516 } 4517 4518 /* update package */ 4519 status = ice_update_pkg(hw, ice_pkg_buf(b), 1); 4520 if (status == ICE_ERR_AQ_ERROR) 4521 ice_debug(hw, ICE_DBG_INIT, "Unable to update HW profile\n"); 4522 4523 error_tmp: 4524 ice_pkg_buf_free(hw, b); 4525 return status; 4526 } 4527 4528 /** 4529 * ice_update_fd_mask - set Flow Director Field Vector mask for a profile 4530 * @hw: pointer to the HW struct 4531 * @prof_id: profile ID 4532 * @mask_sel: mask select 4533 * 4534 * This function enable any of the masks selected by the mask select parameter 4535 * for the profile specified. 4536 */ 4537 static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel) 4538 { 4539 wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel); 4540 4541 ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id, 4542 GLQF_FDMASK_SEL(prof_id), mask_sel); 4543 } 4544 4545 struct ice_fd_src_dst_pair { 4546 u8 prot_id; 4547 u8 count; 4548 u16 off; 4549 }; 4550 4551 static const struct ice_fd_src_dst_pair ice_fd_pairs[] = { 4552 /* These are defined in pairs */ 4553 { ICE_PROT_IPV4_OF_OR_S, 2, 12 }, 4554 { ICE_PROT_IPV4_OF_OR_S, 2, 16 }, 4555 4556 { ICE_PROT_IPV4_IL, 2, 12 }, 4557 { ICE_PROT_IPV4_IL, 2, 16 }, 4558 4559 { ICE_PROT_IPV6_OF_OR_S, 8, 8 }, 4560 { ICE_PROT_IPV6_OF_OR_S, 8, 24 }, 4561 4562 { ICE_PROT_IPV6_IL, 8, 8 }, 4563 { ICE_PROT_IPV6_IL, 8, 24 }, 4564 4565 { ICE_PROT_TCP_IL, 1, 0 }, 4566 { ICE_PROT_TCP_IL, 1, 2 }, 4567 4568 { ICE_PROT_UDP_OF, 1, 0 }, 4569 { ICE_PROT_UDP_OF, 1, 2 }, 4570 4571 { ICE_PROT_UDP_IL_OR_S, 1, 0 }, 4572 { ICE_PROT_UDP_IL_OR_S, 1, 2 }, 4573 4574 { ICE_PROT_SCTP_IL, 1, 0 }, 4575 { ICE_PROT_SCTP_IL, 1, 2 } 4576 }; 4577 4578 #define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs) 4579 4580 /** 4581 * ice_update_fd_swap - set register appropriately for a FD FV extraction 4582 * @hw: pointer to the HW struct 4583 * @prof_id: profile ID 4584 * @es: extraction sequence (length of array is determined by the block) 4585 */ 4586 static enum ice_status 4587 ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) 4588 { 4589 ice_declare_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); 4590 u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 }; 4591 #define ICE_FD_FV_NOT_FOUND (-2) 4592 s8 first_free = ICE_FD_FV_NOT_FOUND; 4593 u8 used[ICE_MAX_FV_WORDS] = { 0 }; 4594 s8 orig_free, si; 4595 u32 mask_sel = 0; 4596 u8 i, j, k; 4597 4598 ice_zero_bitmap(pair_list, ICE_FD_SRC_DST_PAIR_COUNT); 4599 4600 /* This code assumes that the Flow Director field vectors are assigned 4601 * from the end of the FV indexes working towards the zero index, that 4602 * only complete fields will be included and will be consecutive, and 4603 * that there are no gaps between valid indexes. 4604 */ 4605 4606 /* Determine swap fields present */ 4607 for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) { 4608 /* Find the first free entry, assuming right to left population. 4609 * This is where we can start adding additional pairs if needed. 4610 */ 4611 if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id != 4612 ICE_PROT_INVALID) 4613 first_free = i - 1; 4614 4615 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) 4616 if (es[i].prot_id == ice_fd_pairs[j].prot_id && 4617 es[i].off == ice_fd_pairs[j].off) { 4618 ice_set_bit(j, pair_list); 4619 pair_start[j] = i; 4620 } 4621 } 4622 4623 orig_free = first_free; 4624 4625 /* determine missing swap fields that need to be added */ 4626 for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) { 4627 u8 bit1 = ice_is_bit_set(pair_list, i + 1); 4628 u8 bit0 = ice_is_bit_set(pair_list, i); 4629 4630 if (bit0 ^ bit1) { 4631 u8 index; 4632 4633 /* add the appropriate 'paired' entry */ 4634 if (!bit0) 4635 index = i; 4636 else 4637 index = i + 1; 4638 4639 /* check for room */ 4640 if (first_free + 1 < (s8)ice_fd_pairs[index].count) 4641 return ICE_ERR_MAX_LIMIT; 4642 4643 /* place in extraction sequence */ 4644 for (k = 0; k < ice_fd_pairs[index].count; k++) { 4645 es[first_free - k].prot_id = 4646 ice_fd_pairs[index].prot_id; 4647 es[first_free - k].off = 4648 ice_fd_pairs[index].off + (k * 2); 4649 4650 if (k > first_free) 4651 return ICE_ERR_OUT_OF_RANGE; 4652 4653 /* keep track of non-relevant fields */ 4654 mask_sel |= BIT(first_free - k); 4655 } 4656 4657 pair_start[index] = first_free; 4658 first_free -= ice_fd_pairs[index].count; 4659 } 4660 } 4661 4662 /* fill in the swap array */ 4663 si = hw->blk[ICE_BLK_FD].es.fvw - 1; 4664 while (si >= 0) { 4665 u8 indexes_used = 1; 4666 4667 /* assume flat at this index */ 4668 #define ICE_SWAP_VALID 0x80 4669 used[si] = si | ICE_SWAP_VALID; 4670 4671 if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) { 4672 si -= indexes_used; 4673 continue; 4674 } 4675 4676 /* check for a swap location */ 4677 for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) 4678 if (es[si].prot_id == ice_fd_pairs[j].prot_id && 4679 es[si].off == ice_fd_pairs[j].off) { 4680 u8 idx; 4681 4682 /* determine the appropriate matching field */ 4683 idx = j + ((j % 2) ? -1 : 1); 4684 4685 indexes_used = ice_fd_pairs[idx].count; 4686 for (k = 0; k < indexes_used; k++) { 4687 used[si - k] = (pair_start[idx] - k) | 4688 ICE_SWAP_VALID; 4689 } 4690 4691 break; 4692 } 4693 4694 si -= indexes_used; 4695 } 4696 4697 /* for each set of 4 swap and 4 inset indexes, write the appropriate 4698 * register 4699 */ 4700 for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) { 4701 u32 raw_swap = 0; 4702 u32 raw_in = 0; 4703 4704 for (k = 0; k < 4; k++) { 4705 u8 idx; 4706 4707 idx = (j * 4) + k; 4708 if (used[idx] && !(mask_sel & BIT(idx))) { 4709 raw_swap |= used[idx] << (k * BITS_PER_BYTE); 4710 #define ICE_INSET_DFLT 0x9f 4711 raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE); 4712 } 4713 } 4714 4715 /* write the appropriate swap register set */ 4716 wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap); 4717 4718 ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n", 4719 prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap); 4720 4721 /* write the appropriate inset register set */ 4722 wr32(hw, GLQF_FDINSET(prof_id, j), raw_in); 4723 4724 ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n", 4725 prof_id, j, GLQF_FDINSET(prof_id, j), raw_in); 4726 } 4727 4728 /* initially clear the mask select for this profile */ 4729 ice_update_fd_mask(hw, prof_id, 0); 4730 4731 return ICE_SUCCESS; 4732 } 4733 4734 /* The entries here needs to match the order of enum ice_ptype_attrib */ 4735 static const struct ice_ptype_attrib_info ice_ptype_attributes[] = { 4736 { ICE_GTP_PDU_EH, ICE_GTP_PDU_FLAG_MASK }, 4737 { ICE_GTP_SESSION, ICE_GTP_FLAGS_MASK }, 4738 { ICE_GTP_DOWNLINK, ICE_GTP_FLAGS_MASK }, 4739 { ICE_GTP_UPLINK, ICE_GTP_FLAGS_MASK }, 4740 }; 4741 4742 /** 4743 * ice_get_ptype_attrib_info - get ptype attribute information 4744 * @type: attribute type 4745 * @info: pointer to variable to the attribute information 4746 */ 4747 static void 4748 ice_get_ptype_attrib_info(enum ice_ptype_attrib_type type, 4749 struct ice_ptype_attrib_info *info) 4750 { 4751 *info = ice_ptype_attributes[type]; 4752 } 4753 4754 /** 4755 * ice_add_prof_attrib - add any PTG with attributes to profile 4756 * @prof: pointer to the profile to which PTG entries will be added 4757 * @ptg: PTG to be added 4758 * @ptype: PTYPE that needs to be looked up 4759 * @attr: array of attributes that will be considered 4760 * @attr_cnt: number of elements in the attribute array 4761 */ 4762 static enum ice_status 4763 ice_add_prof_attrib(struct ice_prof_map *prof, u8 ptg, u16 ptype, 4764 const struct ice_ptype_attributes *attr, u16 attr_cnt) 4765 { 4766 bool found = false; 4767 u16 i; 4768 4769 for (i = 0; i < attr_cnt; i++) { 4770 if (attr[i].ptype == ptype) { 4771 found = true; 4772 4773 prof->ptg[prof->ptg_cnt] = ptg; 4774 ice_get_ptype_attrib_info(attr[i].attrib, 4775 &prof->attr[prof->ptg_cnt]); 4776 4777 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) 4778 return ICE_ERR_MAX_LIMIT; 4779 } 4780 } 4781 4782 if (!found) 4783 return ICE_ERR_DOES_NOT_EXIST; 4784 4785 return ICE_SUCCESS; 4786 } 4787 4788 /** 4789 * ice_add_prof - add profile 4790 * @hw: pointer to the HW struct 4791 * @blk: hardware block 4792 * @id: profile tracking ID 4793 * @ptypes: array of bitmaps indicating ptypes (ICE_FLOW_PTYPE_MAX bits) 4794 * @attr: array of attributes 4795 * @attr_cnt: number of elements in attrib array 4796 * @es: extraction sequence (length of array is determined by the block) 4797 * @masks: mask for extraction sequence 4798 * 4799 * This function registers a profile, which matches a set of PTYPES with a 4800 * particular extraction sequence. While the hardware profile is allocated 4801 * it will not be written until the first call to ice_add_flow that specifies 4802 * the ID value used here. 4803 */ 4804 enum ice_status 4805 ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], 4806 const struct ice_ptype_attributes *attr, u16 attr_cnt, 4807 struct ice_fv_word *es, u16 *masks) 4808 { 4809 u32 bytes = DIVIDE_AND_ROUND_UP(ICE_FLOW_PTYPE_MAX, BITS_PER_BYTE); 4810 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT); 4811 struct ice_prof_map *prof; 4812 enum ice_status status; 4813 u8 byte = 0; 4814 u8 prof_id; 4815 4816 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT); 4817 4818 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 4819 4820 /* search for existing profile */ 4821 status = ice_find_prof_id_with_mask(hw, blk, es, masks, &prof_id); 4822 if (status) { 4823 /* allocate profile ID */ 4824 status = ice_alloc_prof_id(hw, blk, &prof_id); 4825 if (status) 4826 goto err_ice_add_prof; 4827 if (blk == ICE_BLK_FD) { 4828 /* For Flow Director block, the extraction sequence may 4829 * need to be altered in the case where there are paired 4830 * fields that have no match. This is necessary because 4831 * for Flow Director, src and dest fields need to paired 4832 * for filter programming and these values are swapped 4833 * during Tx. 4834 */ 4835 status = ice_update_fd_swap(hw, prof_id, es); 4836 if (status) 4837 goto err_ice_add_prof; 4838 } 4839 status = ice_update_prof_masking(hw, blk, prof_id, masks); 4840 if (status) 4841 goto err_ice_add_prof; 4842 4843 /* and write new es */ 4844 ice_write_es(hw, blk, prof_id, es); 4845 } 4846 4847 ice_prof_inc_ref(hw, blk, prof_id); 4848 4849 /* add profile info */ 4850 4851 prof = (struct ice_prof_map *)ice_malloc(hw, sizeof(*prof)); 4852 if (!prof) 4853 goto err_ice_add_prof; 4854 4855 prof->profile_cookie = id; 4856 prof->prof_id = prof_id; 4857 prof->ptg_cnt = 0; 4858 prof->context = 0; 4859 4860 /* build list of ptgs */ 4861 while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) { 4862 u8 bit; 4863 4864 if (!ptypes[byte]) { 4865 bytes--; 4866 byte++; 4867 continue; 4868 } 4869 4870 /* Examine 8 bits per byte */ 4871 ice_for_each_set_bit(bit, (ice_bitmap_t *)&ptypes[byte], 4872 BITS_PER_BYTE) { 4873 u16 ptype; 4874 u8 ptg; 4875 4876 ptype = byte * BITS_PER_BYTE + bit; 4877 4878 /* The package should place all ptypes in a non-zero 4879 * PTG, so the following call should never fail. 4880 */ 4881 if (ice_ptg_find_ptype(hw, blk, ptype, &ptg)) 4882 continue; 4883 4884 /* If PTG is already added, skip and continue */ 4885 if (ice_is_bit_set(ptgs_used, ptg)) 4886 continue; 4887 4888 ice_set_bit(ptg, ptgs_used); 4889 /* Check to see there are any attributes for this 4890 * ptype, and add them if found. 4891 */ 4892 status = ice_add_prof_attrib(prof, ptg, ptype, attr, 4893 attr_cnt); 4894 if (status == ICE_ERR_MAX_LIMIT) 4895 break; 4896 if (status) { 4897 /* This is simple a ptype/PTG with no 4898 * attribute 4899 */ 4900 prof->ptg[prof->ptg_cnt] = ptg; 4901 prof->attr[prof->ptg_cnt].flags = 0; 4902 prof->attr[prof->ptg_cnt].mask = 0; 4903 4904 if (++prof->ptg_cnt >= ICE_MAX_PTG_PER_PROFILE) 4905 break; 4906 } 4907 } 4908 4909 bytes--; 4910 byte++; 4911 } 4912 4913 LIST_ADD(&prof->list, &hw->blk[blk].es.prof_map); 4914 status = ICE_SUCCESS; 4915 4916 err_ice_add_prof: 4917 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 4918 return status; 4919 } 4920 4921 /** 4922 * ice_search_prof_id - Search for a profile tracking ID 4923 * @hw: pointer to the HW struct 4924 * @blk: hardware block 4925 * @id: profile tracking ID 4926 * 4927 * This will search for a profile tracking ID which was previously added. 4928 * The profile map lock should be held before calling this function. 4929 */ 4930 struct ice_prof_map * 4931 ice_search_prof_id(struct ice_hw *hw, enum ice_block blk, u64 id) 4932 { 4933 struct ice_prof_map *entry = NULL; 4934 struct ice_prof_map *map; 4935 4936 LIST_FOR_EACH_ENTRY(map, &hw->blk[blk].es.prof_map, ice_prof_map, list) 4937 if (map->profile_cookie == id) { 4938 entry = map; 4939 break; 4940 } 4941 4942 return entry; 4943 } 4944 4945 /** 4946 * ice_vsig_prof_id_count - count profiles in a VSIG 4947 * @hw: pointer to the HW struct 4948 * @blk: hardware block 4949 * @vsig: VSIG to remove the profile from 4950 */ 4951 static u16 4952 ice_vsig_prof_id_count(struct ice_hw *hw, enum ice_block blk, u16 vsig) 4953 { 4954 u16 idx = vsig & ICE_VSIG_IDX_M, count = 0; 4955 struct ice_vsig_prof *p; 4956 4957 LIST_FOR_EACH_ENTRY(p, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 4958 ice_vsig_prof, list) 4959 count++; 4960 4961 return count; 4962 } 4963 4964 /** 4965 * ice_rel_tcam_idx - release a TCAM index 4966 * @hw: pointer to the HW struct 4967 * @blk: hardware block 4968 * @idx: the index to release 4969 */ 4970 static enum ice_status 4971 ice_rel_tcam_idx(struct ice_hw *hw, enum ice_block blk, u16 idx) 4972 { 4973 /* Masks to invoke a never match entry */ 4974 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 4975 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFE, 0xFF, 0xFF, 0xFF, 0xFF }; 4976 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x01, 0x00, 0x00, 0x00, 0x00 }; 4977 enum ice_status status; 4978 4979 /* write the TCAM entry */ 4980 status = ice_tcam_write_entry(hw, blk, idx, 0, 0, 0, 0, 0, vl_msk, 4981 dc_msk, nm_msk); 4982 if (status) 4983 return status; 4984 4985 /* release the TCAM entry */ 4986 status = ice_free_tcam_ent(hw, blk, idx); 4987 4988 return status; 4989 } 4990 4991 /** 4992 * ice_rem_prof_id - remove one profile from a VSIG 4993 * @hw: pointer to the HW struct 4994 * @blk: hardware block 4995 * @prof: pointer to profile structure to remove 4996 */ 4997 static enum ice_status 4998 ice_rem_prof_id(struct ice_hw *hw, enum ice_block blk, 4999 struct ice_vsig_prof *prof) 5000 { 5001 enum ice_status status; 5002 u16 i; 5003 5004 for (i = 0; i < prof->tcam_count; i++) 5005 if (prof->tcam[i].in_use) { 5006 prof->tcam[i].in_use = false; 5007 status = ice_rel_tcam_idx(hw, blk, 5008 prof->tcam[i].tcam_idx); 5009 if (status) 5010 return ICE_ERR_HW_TABLE; 5011 } 5012 5013 return ICE_SUCCESS; 5014 } 5015 5016 /** 5017 * ice_rem_vsig - remove VSIG 5018 * @hw: pointer to the HW struct 5019 * @blk: hardware block 5020 * @vsig: the VSIG to remove 5021 * @chg: the change list 5022 */ 5023 static enum ice_status 5024 ice_rem_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5025 struct LIST_HEAD_TYPE *chg) 5026 { 5027 u16 idx = vsig & ICE_VSIG_IDX_M; 5028 struct ice_vsig_vsi *vsi_cur; 5029 struct ice_vsig_prof *d, *t; 5030 enum ice_status status; 5031 5032 /* remove TCAM entries */ 5033 LIST_FOR_EACH_ENTRY_SAFE(d, t, 5034 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5035 ice_vsig_prof, list) { 5036 status = ice_rem_prof_id(hw, blk, d); 5037 if (status) 5038 return status; 5039 5040 LIST_DEL(&d->list); 5041 ice_free(hw, d); 5042 } 5043 5044 /* Move all VSIS associated with this VSIG to the default VSIG */ 5045 vsi_cur = hw->blk[blk].xlt2.vsig_tbl[idx].first_vsi; 5046 /* If the VSIG has at least 1 VSI then iterate through the list 5047 * and remove the VSIs before deleting the group. 5048 */ 5049 if (vsi_cur) 5050 do { 5051 struct ice_vsig_vsi *tmp = vsi_cur->next_vsi; 5052 struct ice_chs_chg *p; 5053 5054 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5055 if (!p) 5056 return ICE_ERR_NO_MEMORY; 5057 5058 p->type = ICE_VSIG_REM; 5059 p->orig_vsig = vsig; 5060 p->vsig = ICE_DEFAULT_VSIG; 5061 p->vsi = vsi_cur - hw->blk[blk].xlt2.vsis; 5062 5063 LIST_ADD(&p->list_entry, chg); 5064 5065 vsi_cur = tmp; 5066 } while (vsi_cur); 5067 5068 return ice_vsig_free(hw, blk, vsig); 5069 } 5070 5071 /** 5072 * ice_rem_prof_id_vsig - remove a specific profile from a VSIG 5073 * @hw: pointer to the HW struct 5074 * @blk: hardware block 5075 * @vsig: VSIG to remove the profile from 5076 * @hdl: profile handle indicating which profile to remove 5077 * @chg: list to receive a record of changes 5078 */ 5079 static enum ice_status 5080 ice_rem_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, 5081 struct LIST_HEAD_TYPE *chg) 5082 { 5083 u16 idx = vsig & ICE_VSIG_IDX_M; 5084 struct ice_vsig_prof *p, *t; 5085 enum ice_status status; 5086 5087 LIST_FOR_EACH_ENTRY_SAFE(p, t, 5088 &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5089 ice_vsig_prof, list) 5090 if (p->profile_cookie == hdl) { 5091 if (ice_vsig_prof_id_count(hw, blk, vsig) == 1) 5092 /* this is the last profile, remove the VSIG */ 5093 return ice_rem_vsig(hw, blk, vsig, chg); 5094 5095 status = ice_rem_prof_id(hw, blk, p); 5096 if (!status) { 5097 LIST_DEL(&p->list); 5098 ice_free(hw, p); 5099 } 5100 return status; 5101 } 5102 5103 return ICE_ERR_DOES_NOT_EXIST; 5104 } 5105 5106 /** 5107 * ice_rem_flow_all - remove all flows with a particular profile 5108 * @hw: pointer to the HW struct 5109 * @blk: hardware block 5110 * @id: profile tracking ID 5111 */ 5112 static enum ice_status 5113 ice_rem_flow_all(struct ice_hw *hw, enum ice_block blk, u64 id) 5114 { 5115 struct ice_chs_chg *del, *tmp; 5116 struct LIST_HEAD_TYPE chg; 5117 enum ice_status status; 5118 u16 i; 5119 5120 INIT_LIST_HEAD(&chg); 5121 5122 for (i = 1; i < ICE_MAX_VSIGS; i++) 5123 if (hw->blk[blk].xlt2.vsig_tbl[i].in_use) { 5124 if (ice_has_prof_vsig(hw, blk, i, id)) { 5125 status = ice_rem_prof_id_vsig(hw, blk, i, id, 5126 &chg); 5127 if (status) 5128 goto err_ice_rem_flow_all; 5129 } 5130 } 5131 5132 status = ice_upd_prof_hw(hw, blk, &chg); 5133 5134 err_ice_rem_flow_all: 5135 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 5136 LIST_DEL(&del->list_entry); 5137 ice_free(hw, del); 5138 } 5139 5140 return status; 5141 } 5142 5143 /** 5144 * ice_rem_prof - remove profile 5145 * @hw: pointer to the HW struct 5146 * @blk: hardware block 5147 * @id: profile tracking ID 5148 * 5149 * This will remove the profile specified by the ID parameter, which was 5150 * previously created through ice_add_prof. If any existing entries 5151 * are associated with this profile, they will be removed as well. 5152 */ 5153 enum ice_status ice_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 id) 5154 { 5155 struct ice_prof_map *pmap; 5156 enum ice_status status; 5157 5158 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5159 5160 pmap = ice_search_prof_id(hw, blk, id); 5161 if (!pmap) { 5162 status = ICE_ERR_DOES_NOT_EXIST; 5163 goto err_ice_rem_prof; 5164 } 5165 5166 /* remove all flows with this profile */ 5167 status = ice_rem_flow_all(hw, blk, pmap->profile_cookie); 5168 if (status) 5169 goto err_ice_rem_prof; 5170 5171 /* dereference profile, and possibly remove */ 5172 ice_prof_dec_ref(hw, blk, pmap->prof_id); 5173 5174 LIST_DEL(&pmap->list); 5175 ice_free(hw, pmap); 5176 5177 err_ice_rem_prof: 5178 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5179 return status; 5180 } 5181 5182 /** 5183 * ice_get_prof - get profile 5184 * @hw: pointer to the HW struct 5185 * @blk: hardware block 5186 * @hdl: profile handle 5187 * @chg: change list 5188 */ 5189 static enum ice_status 5190 ice_get_prof(struct ice_hw *hw, enum ice_block blk, u64 hdl, 5191 struct LIST_HEAD_TYPE *chg) 5192 { 5193 enum ice_status status = ICE_SUCCESS; 5194 struct ice_prof_map *map; 5195 struct ice_chs_chg *p; 5196 u16 i; 5197 5198 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5199 /* Get the details on the profile specified by the handle ID */ 5200 map = ice_search_prof_id(hw, blk, hdl); 5201 if (!map) { 5202 status = ICE_ERR_DOES_NOT_EXIST; 5203 goto err_ice_get_prof; 5204 } 5205 5206 for (i = 0; i < map->ptg_cnt; i++) 5207 if (!hw->blk[blk].es.written[map->prof_id]) { 5208 /* add ES to change list */ 5209 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5210 if (!p) { 5211 status = ICE_ERR_NO_MEMORY; 5212 goto err_ice_get_prof; 5213 } 5214 5215 p->type = ICE_PTG_ES_ADD; 5216 p->ptype = 0; 5217 p->ptg = map->ptg[i]; 5218 p->attr = map->attr[i]; 5219 p->add_ptg = 0; 5220 5221 p->add_prof = 1; 5222 p->prof_id = map->prof_id; 5223 5224 hw->blk[blk].es.written[map->prof_id] = true; 5225 5226 LIST_ADD(&p->list_entry, chg); 5227 } 5228 5229 err_ice_get_prof: 5230 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5231 /* let caller clean up the change list */ 5232 return status; 5233 } 5234 5235 /** 5236 * ice_get_profs_vsig - get a copy of the list of profiles from a VSIG 5237 * @hw: pointer to the HW struct 5238 * @blk: hardware block 5239 * @vsig: VSIG from which to copy the list 5240 * @lst: output list 5241 * 5242 * This routine makes a copy of the list of profiles in the specified VSIG. 5243 */ 5244 static enum ice_status 5245 ice_get_profs_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5246 struct LIST_HEAD_TYPE *lst) 5247 { 5248 struct ice_vsig_prof *ent1, *ent2; 5249 u16 idx = vsig & ICE_VSIG_IDX_M; 5250 5251 LIST_FOR_EACH_ENTRY(ent1, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5252 ice_vsig_prof, list) { 5253 struct ice_vsig_prof *p; 5254 5255 /* copy to the input list */ 5256 p = (struct ice_vsig_prof *)ice_memdup(hw, ent1, sizeof(*p), 5257 ICE_NONDMA_TO_NONDMA); 5258 if (!p) 5259 goto err_ice_get_profs_vsig; 5260 5261 LIST_ADD_TAIL(&p->list, lst); 5262 } 5263 5264 return ICE_SUCCESS; 5265 5266 err_ice_get_profs_vsig: 5267 LIST_FOR_EACH_ENTRY_SAFE(ent1, ent2, lst, ice_vsig_prof, list) { 5268 LIST_DEL(&ent1->list); 5269 ice_free(hw, ent1); 5270 } 5271 5272 return ICE_ERR_NO_MEMORY; 5273 } 5274 5275 /** 5276 * ice_add_prof_to_lst - add profile entry to a list 5277 * @hw: pointer to the HW struct 5278 * @blk: hardware block 5279 * @lst: the list to be added to 5280 * @hdl: profile handle of entry to add 5281 */ 5282 static enum ice_status 5283 ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk, 5284 struct LIST_HEAD_TYPE *lst, u64 hdl) 5285 { 5286 enum ice_status status = ICE_SUCCESS; 5287 struct ice_prof_map *map; 5288 struct ice_vsig_prof *p; 5289 u16 i; 5290 5291 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5292 map = ice_search_prof_id(hw, blk, hdl); 5293 if (!map) { 5294 status = ICE_ERR_DOES_NOT_EXIST; 5295 goto err_ice_add_prof_to_lst; 5296 } 5297 5298 p = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*p)); 5299 if (!p) { 5300 status = ICE_ERR_NO_MEMORY; 5301 goto err_ice_add_prof_to_lst; 5302 } 5303 5304 p->profile_cookie = map->profile_cookie; 5305 p->prof_id = map->prof_id; 5306 p->tcam_count = map->ptg_cnt; 5307 5308 for (i = 0; i < map->ptg_cnt; i++) { 5309 p->tcam[i].prof_id = map->prof_id; 5310 p->tcam[i].tcam_idx = ICE_INVALID_TCAM; 5311 p->tcam[i].ptg = map->ptg[i]; 5312 p->tcam[i].attr = map->attr[i]; 5313 } 5314 5315 LIST_ADD(&p->list, lst); 5316 5317 err_ice_add_prof_to_lst: 5318 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5319 return status; 5320 } 5321 5322 /** 5323 * ice_move_vsi - move VSI to another VSIG 5324 * @hw: pointer to the HW struct 5325 * @blk: hardware block 5326 * @vsi: the VSI to move 5327 * @vsig: the VSIG to move the VSI to 5328 * @chg: the change list 5329 */ 5330 static enum ice_status 5331 ice_move_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig, 5332 struct LIST_HEAD_TYPE *chg) 5333 { 5334 enum ice_status status; 5335 struct ice_chs_chg *p; 5336 u16 orig_vsig; 5337 5338 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5339 if (!p) 5340 return ICE_ERR_NO_MEMORY; 5341 5342 status = ice_vsig_find_vsi(hw, blk, vsi, &orig_vsig); 5343 if (!status) 5344 status = ice_vsig_add_mv_vsi(hw, blk, vsi, vsig); 5345 5346 if (status) { 5347 ice_free(hw, p); 5348 return status; 5349 } 5350 5351 p->type = ICE_VSI_MOVE; 5352 p->vsi = vsi; 5353 p->orig_vsig = orig_vsig; 5354 p->vsig = vsig; 5355 5356 LIST_ADD(&p->list_entry, chg); 5357 5358 return ICE_SUCCESS; 5359 } 5360 5361 /** 5362 * ice_set_tcam_flags - set TCAM flag don't care mask 5363 * @mask: mask for flags 5364 * @dc_mask: pointer to the don't care mask 5365 */ 5366 static void ice_set_tcam_flags(u16 mask, u8 dc_mask[ICE_TCAM_KEY_VAL_SZ]) 5367 { 5368 u16 *flag_word; 5369 5370 /* flags are lowest u16 */ 5371 flag_word = (u16 *)dc_mask; 5372 *flag_word = ~mask; 5373 } 5374 5375 /** 5376 * ice_rem_chg_tcam_ent - remove a specific TCAM entry from change list 5377 * @hw: pointer to the HW struct 5378 * @idx: the index of the TCAM entry to remove 5379 * @chg: the list of change structures to search 5380 */ 5381 static void 5382 ice_rem_chg_tcam_ent(struct ice_hw *hw, u16 idx, struct LIST_HEAD_TYPE *chg) 5383 { 5384 struct ice_chs_chg *pos, *tmp; 5385 5386 LIST_FOR_EACH_ENTRY_SAFE(tmp, pos, chg, ice_chs_chg, list_entry) 5387 if (tmp->type == ICE_TCAM_ADD && tmp->tcam_idx == idx) { 5388 LIST_DEL(&tmp->list_entry); 5389 ice_free(hw, tmp); 5390 } 5391 } 5392 5393 /** 5394 * ice_prof_tcam_ena_dis - add enable or disable TCAM change 5395 * @hw: pointer to the HW struct 5396 * @blk: hardware block 5397 * @enable: true to enable, false to disable 5398 * @vsig: the VSIG of the TCAM entry 5399 * @tcam: pointer the TCAM info structure of the TCAM to disable 5400 * @chg: the change list 5401 * 5402 * This function appends an enable or disable TCAM entry in the change log 5403 */ 5404 static enum ice_status 5405 ice_prof_tcam_ena_dis(struct ice_hw *hw, enum ice_block blk, bool enable, 5406 u16 vsig, struct ice_tcam_inf *tcam, 5407 struct LIST_HEAD_TYPE *chg) 5408 { 5409 enum ice_status status; 5410 struct ice_chs_chg *p; 5411 5412 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5413 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; 5414 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; 5415 5416 /* if disabling, free the TCAM */ 5417 if (!enable) { 5418 status = ice_rel_tcam_idx(hw, blk, tcam->tcam_idx); 5419 5420 /* if we have already created a change for this TCAM entry, then 5421 * we need to remove that entry, in order to prevent writing to 5422 * a TCAM entry we no longer will have ownership of. 5423 */ 5424 ice_rem_chg_tcam_ent(hw, tcam->tcam_idx, chg); 5425 tcam->tcam_idx = 0; 5426 tcam->in_use = 0; 5427 return status; 5428 } 5429 5430 /* for re-enabling, reallocate a TCAM */ 5431 /* for entries with empty attribute masks, allocate entry from 5432 * the bottom of the TCAM table; otherwise, allocate from the 5433 * top of the table in order to give it higher priority 5434 */ 5435 status = ice_alloc_tcam_ent(hw, blk, tcam->attr.mask == 0, 5436 &tcam->tcam_idx); 5437 if (status) 5438 return status; 5439 5440 /* add TCAM to change list */ 5441 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5442 if (!p) 5443 return ICE_ERR_NO_MEMORY; 5444 5445 /* set don't care masks for TCAM flags */ 5446 ice_set_tcam_flags(tcam->attr.mask, dc_msk); 5447 5448 status = ice_tcam_write_entry(hw, blk, tcam->tcam_idx, tcam->prof_id, 5449 tcam->ptg, vsig, 0, tcam->attr.flags, 5450 vl_msk, dc_msk, nm_msk); 5451 if (status) 5452 goto err_ice_prof_tcam_ena_dis; 5453 5454 tcam->in_use = 1; 5455 5456 p->type = ICE_TCAM_ADD; 5457 p->add_tcam_idx = true; 5458 p->prof_id = tcam->prof_id; 5459 p->ptg = tcam->ptg; 5460 p->vsig = 0; 5461 p->tcam_idx = tcam->tcam_idx; 5462 5463 /* log change */ 5464 LIST_ADD(&p->list_entry, chg); 5465 5466 return ICE_SUCCESS; 5467 5468 err_ice_prof_tcam_ena_dis: 5469 ice_free(hw, p); 5470 return status; 5471 } 5472 5473 /** 5474 * ice_ptg_attr_in_use - determine if PTG and attribute pair is in use 5475 * @ptg_attr: pointer to the PTG and attribute pair to check 5476 * @ptgs_used: bitmap that denotes which PTGs are in use 5477 * @attr_used: array of PTG and attributes pairs already used 5478 * @attr_cnt: count of entries in the attr_used array 5479 */ 5480 static bool 5481 ice_ptg_attr_in_use(struct ice_tcam_inf *ptg_attr, ice_bitmap_t *ptgs_used, 5482 struct ice_tcam_inf *attr_used[], u16 attr_cnt) 5483 { 5484 u16 i; 5485 5486 if (!ice_is_bit_set(ptgs_used, ptg_attr->ptg)) 5487 return false; 5488 5489 /* the PTG is used, so now look for correct attributes */ 5490 for (i = 0; i < attr_cnt; i++) 5491 if (attr_used[i]->ptg == ptg_attr->ptg && 5492 attr_used[i]->attr.flags == ptg_attr->attr.flags && 5493 attr_used[i]->attr.mask == ptg_attr->attr.mask) 5494 return true; 5495 5496 return false; 5497 } 5498 5499 /** 5500 * ice_adj_prof_priorities - adjust profile based on priorities 5501 * @hw: pointer to the HW struct 5502 * @blk: hardware block 5503 * @vsig: the VSIG for which to adjust profile priorities 5504 * @chg: the change list 5505 */ 5506 static enum ice_status 5507 ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, 5508 struct LIST_HEAD_TYPE *chg) 5509 { 5510 ice_declare_bitmap(ptgs_used, ICE_XLT1_CNT); 5511 struct ice_tcam_inf **attr_used; 5512 enum ice_status status = ICE_SUCCESS; 5513 struct ice_vsig_prof *t; 5514 u16 attr_used_cnt = 0; 5515 u16 idx; 5516 5517 #define ICE_MAX_PTG_ATTRS 1024 5518 attr_used = (struct ice_tcam_inf **)ice_calloc(hw, ICE_MAX_PTG_ATTRS, 5519 sizeof(*attr_used)); 5520 if (!attr_used) 5521 return ICE_ERR_NO_MEMORY; 5522 5523 ice_zero_bitmap(ptgs_used, ICE_XLT1_CNT); 5524 idx = vsig & ICE_VSIG_IDX_M; 5525 5526 /* Priority is based on the order in which the profiles are added. The 5527 * newest added profile has highest priority and the oldest added 5528 * profile has the lowest priority. Since the profile property list for 5529 * a VSIG is sorted from newest to oldest, this code traverses the list 5530 * in order and enables the first of each PTG that it finds (that is not 5531 * already enabled); it also disables any duplicate PTGs that it finds 5532 * in the older profiles (that are currently enabled). 5533 */ 5534 5535 LIST_FOR_EACH_ENTRY(t, &hw->blk[blk].xlt2.vsig_tbl[idx].prop_lst, 5536 ice_vsig_prof, list) { 5537 u16 i; 5538 5539 for (i = 0; i < t->tcam_count; i++) { 5540 bool used; 5541 5542 /* Scan the priorities from newest to oldest. 5543 * Make sure that the newest profiles take priority. 5544 */ 5545 used = ice_ptg_attr_in_use(&t->tcam[i], ptgs_used, 5546 attr_used, attr_used_cnt); 5547 5548 if (used && t->tcam[i].in_use) { 5549 /* need to mark this PTG as never match, as it 5550 * was already in use and therefore duplicate 5551 * (and lower priority) 5552 */ 5553 status = ice_prof_tcam_ena_dis(hw, blk, false, 5554 vsig, 5555 &t->tcam[i], 5556 chg); 5557 if (status) 5558 goto err_ice_adj_prof_priorities; 5559 } else if (!used && !t->tcam[i].in_use) { 5560 /* need to enable this PTG, as it in not in use 5561 * and not enabled (highest priority) 5562 */ 5563 status = ice_prof_tcam_ena_dis(hw, blk, true, 5564 vsig, 5565 &t->tcam[i], 5566 chg); 5567 if (status) 5568 goto err_ice_adj_prof_priorities; 5569 } 5570 5571 /* keep track of used ptgs */ 5572 ice_set_bit(t->tcam[i].ptg, ptgs_used); 5573 if (attr_used_cnt < ICE_MAX_PTG_ATTRS) 5574 attr_used[attr_used_cnt++] = &t->tcam[i]; 5575 else 5576 ice_debug(hw, ICE_DBG_INIT, "Warn: ICE_MAX_PTG_ATTRS exceeded\n"); 5577 } 5578 } 5579 5580 err_ice_adj_prof_priorities: 5581 ice_free(hw, attr_used); 5582 return status; 5583 } 5584 5585 /** 5586 * ice_add_prof_id_vsig - add profile to VSIG 5587 * @hw: pointer to the HW struct 5588 * @blk: hardware block 5589 * @vsig: the VSIG to which this profile is to be added 5590 * @hdl: the profile handle indicating the profile to add 5591 * @rev: true to add entries to the end of the list 5592 * @chg: the change list 5593 */ 5594 static enum ice_status 5595 ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl, 5596 bool rev, struct LIST_HEAD_TYPE *chg) 5597 { 5598 /* Masks that ignore flags */ 5599 u8 vl_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 5600 u8 dc_msk[ICE_TCAM_KEY_VAL_SZ] = { 0xFF, 0xFF, 0x00, 0x00, 0x00 }; 5601 u8 nm_msk[ICE_TCAM_KEY_VAL_SZ] = { 0x00, 0x00, 0x00, 0x00, 0x00 }; 5602 enum ice_status status = ICE_SUCCESS; 5603 struct ice_prof_map *map; 5604 struct ice_vsig_prof *t; 5605 struct ice_chs_chg *p; 5606 u16 vsig_idx, i; 5607 5608 /* Error, if this VSIG already has this profile */ 5609 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) 5610 return ICE_ERR_ALREADY_EXISTS; 5611 5612 /* new VSIG profile structure */ 5613 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t)); 5614 if (!t) 5615 return ICE_ERR_NO_MEMORY; 5616 5617 ice_acquire_lock(&hw->blk[blk].es.prof_map_lock); 5618 /* Get the details on the profile specified by the handle ID */ 5619 map = ice_search_prof_id(hw, blk, hdl); 5620 if (!map) { 5621 status = ICE_ERR_DOES_NOT_EXIST; 5622 goto err_ice_add_prof_id_vsig; 5623 } 5624 5625 t->profile_cookie = map->profile_cookie; 5626 t->prof_id = map->prof_id; 5627 t->tcam_count = map->ptg_cnt; 5628 5629 /* create TCAM entries */ 5630 for (i = 0; i < map->ptg_cnt; i++) { 5631 u16 tcam_idx; 5632 5633 /* add TCAM to change list */ 5634 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5635 if (!p) { 5636 status = ICE_ERR_NO_MEMORY; 5637 goto err_ice_add_prof_id_vsig; 5638 } 5639 5640 /* allocate the TCAM entry index */ 5641 /* for entries with empty attribute masks, allocate entry from 5642 * the bottom of the TCAM table; otherwise, allocate from the 5643 * top of the table in order to give it higher priority 5644 */ 5645 status = ice_alloc_tcam_ent(hw, blk, map->attr[i].mask == 0, 5646 &tcam_idx); 5647 if (status) { 5648 ice_free(hw, p); 5649 goto err_ice_add_prof_id_vsig; 5650 } 5651 5652 t->tcam[i].ptg = map->ptg[i]; 5653 t->tcam[i].prof_id = map->prof_id; 5654 t->tcam[i].tcam_idx = tcam_idx; 5655 t->tcam[i].attr = map->attr[i]; 5656 t->tcam[i].in_use = true; 5657 5658 p->type = ICE_TCAM_ADD; 5659 p->add_tcam_idx = true; 5660 p->prof_id = t->tcam[i].prof_id; 5661 p->ptg = t->tcam[i].ptg; 5662 p->vsig = vsig; 5663 p->tcam_idx = t->tcam[i].tcam_idx; 5664 5665 /* set don't care masks for TCAM flags */ 5666 ice_set_tcam_flags(t->tcam[i].attr.mask, dc_msk); 5667 5668 /* write the TCAM entry */ 5669 status = ice_tcam_write_entry(hw, blk, t->tcam[i].tcam_idx, 5670 t->tcam[i].prof_id, 5671 t->tcam[i].ptg, vsig, 0, 5672 t->tcam[i].attr.flags, vl_msk, 5673 dc_msk, nm_msk); 5674 if (status) { 5675 ice_free(hw, p); 5676 goto err_ice_add_prof_id_vsig; 5677 } 5678 5679 /* log change */ 5680 LIST_ADD(&p->list_entry, chg); 5681 } 5682 5683 /* add profile to VSIG */ 5684 vsig_idx = vsig & ICE_VSIG_IDX_M; 5685 if (rev) 5686 LIST_ADD_TAIL(&t->list, 5687 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); 5688 else 5689 LIST_ADD(&t->list, 5690 &hw->blk[blk].xlt2.vsig_tbl[vsig_idx].prop_lst); 5691 5692 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5693 return status; 5694 5695 err_ice_add_prof_id_vsig: 5696 ice_release_lock(&hw->blk[blk].es.prof_map_lock); 5697 /* let caller clean up the change list */ 5698 ice_free(hw, t); 5699 return status; 5700 } 5701 5702 /** 5703 * ice_create_prof_id_vsig - add a new VSIG with a single profile 5704 * @hw: pointer to the HW struct 5705 * @blk: hardware block 5706 * @vsi: the initial VSI that will be in VSIG 5707 * @hdl: the profile handle of the profile that will be added to the VSIG 5708 * @chg: the change list 5709 */ 5710 static enum ice_status 5711 ice_create_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl, 5712 struct LIST_HEAD_TYPE *chg) 5713 { 5714 enum ice_status status; 5715 struct ice_chs_chg *p; 5716 u16 new_vsig; 5717 5718 p = (struct ice_chs_chg *)ice_malloc(hw, sizeof(*p)); 5719 if (!p) 5720 return ICE_ERR_NO_MEMORY; 5721 5722 new_vsig = ice_vsig_alloc(hw, blk); 5723 if (!new_vsig) { 5724 status = ICE_ERR_HW_TABLE; 5725 goto err_ice_create_prof_id_vsig; 5726 } 5727 5728 status = ice_move_vsi(hw, blk, vsi, new_vsig, chg); 5729 if (status) 5730 goto err_ice_create_prof_id_vsig; 5731 5732 status = ice_add_prof_id_vsig(hw, blk, new_vsig, hdl, false, chg); 5733 if (status) 5734 goto err_ice_create_prof_id_vsig; 5735 5736 p->type = ICE_VSIG_ADD; 5737 p->vsi = vsi; 5738 p->orig_vsig = ICE_DEFAULT_VSIG; 5739 p->vsig = new_vsig; 5740 5741 LIST_ADD(&p->list_entry, chg); 5742 5743 return ICE_SUCCESS; 5744 5745 err_ice_create_prof_id_vsig: 5746 /* let caller clean up the change list */ 5747 ice_free(hw, p); 5748 return status; 5749 } 5750 5751 /** 5752 * ice_create_vsig_from_lst - create a new VSIG with a list of profiles 5753 * @hw: pointer to the HW struct 5754 * @blk: hardware block 5755 * @vsi: the initial VSI that will be in VSIG 5756 * @lst: the list of profile that will be added to the VSIG 5757 * @new_vsig: return of new VSIG 5758 * @chg: the change list 5759 */ 5760 static enum ice_status 5761 ice_create_vsig_from_lst(struct ice_hw *hw, enum ice_block blk, u16 vsi, 5762 struct LIST_HEAD_TYPE *lst, u16 *new_vsig, 5763 struct LIST_HEAD_TYPE *chg) 5764 { 5765 struct ice_vsig_prof *t; 5766 enum ice_status status; 5767 u16 vsig; 5768 5769 vsig = ice_vsig_alloc(hw, blk); 5770 if (!vsig) 5771 return ICE_ERR_HW_TABLE; 5772 5773 status = ice_move_vsi(hw, blk, vsi, vsig, chg); 5774 if (status) 5775 return status; 5776 5777 LIST_FOR_EACH_ENTRY(t, lst, ice_vsig_prof, list) { 5778 /* Reverse the order here since we are copying the list */ 5779 status = ice_add_prof_id_vsig(hw, blk, vsig, t->profile_cookie, 5780 true, chg); 5781 if (status) 5782 return status; 5783 } 5784 5785 *new_vsig = vsig; 5786 5787 return ICE_SUCCESS; 5788 } 5789 5790 /** 5791 * ice_find_prof_vsig - find a VSIG with a specific profile handle 5792 * @hw: pointer to the HW struct 5793 * @blk: hardware block 5794 * @hdl: the profile handle of the profile to search for 5795 * @vsig: returns the VSIG with the matching profile 5796 */ 5797 static bool 5798 ice_find_prof_vsig(struct ice_hw *hw, enum ice_block blk, u64 hdl, u16 *vsig) 5799 { 5800 struct ice_vsig_prof *t; 5801 struct LIST_HEAD_TYPE lst; 5802 enum ice_status status; 5803 5804 INIT_LIST_HEAD(&lst); 5805 5806 t = (struct ice_vsig_prof *)ice_malloc(hw, sizeof(*t)); 5807 if (!t) 5808 return false; 5809 5810 t->profile_cookie = hdl; 5811 LIST_ADD(&t->list, &lst); 5812 5813 status = ice_find_dup_props_vsig(hw, blk, &lst, vsig); 5814 5815 LIST_DEL(&t->list); 5816 ice_free(hw, t); 5817 5818 return status == ICE_SUCCESS; 5819 } 5820 5821 /** 5822 * ice_add_vsi_flow - add VSI flow 5823 * @hw: pointer to the HW struct 5824 * @blk: hardware block 5825 * @vsi: input VSI 5826 * @vsig: target VSIG to include the input VSI 5827 * 5828 * Calling this function will add the VSI to a given VSIG and 5829 * update the HW tables accordingly. This call can be used to 5830 * add multiple VSIs to a VSIG if we know beforehand that those 5831 * VSIs have the same characteristics of the VSIG. This will 5832 * save time in generating a new VSIG and TCAMs till a match is 5833 * found and subsequent rollback when a matching VSIG is found. 5834 */ 5835 enum ice_status 5836 ice_add_vsi_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u16 vsig) 5837 { 5838 struct ice_chs_chg *tmp, *del; 5839 struct LIST_HEAD_TYPE chg; 5840 enum ice_status status; 5841 5842 /* if target VSIG is default the move is invalid */ 5843 if ((vsig & ICE_VSIG_IDX_M) == ICE_DEFAULT_VSIG) 5844 return ICE_ERR_PARAM; 5845 5846 INIT_LIST_HEAD(&chg); 5847 5848 /* move VSI to the VSIG that matches */ 5849 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 5850 /* update hardware if success */ 5851 if (!status) 5852 status = ice_upd_prof_hw(hw, blk, &chg); 5853 5854 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 5855 LIST_DEL(&del->list_entry); 5856 ice_free(hw, del); 5857 } 5858 5859 return status; 5860 } 5861 5862 /** 5863 * ice_add_prof_id_flow - add profile flow 5864 * @hw: pointer to the HW struct 5865 * @blk: hardware block 5866 * @vsi: the VSI to enable with the profile specified by ID 5867 * @hdl: profile handle 5868 * 5869 * Calling this function will update the hardware tables to enable the 5870 * profile indicated by the ID parameter for the VSIs specified in the VSI 5871 * array. Once successfully called, the flow will be enabled. 5872 */ 5873 enum ice_status 5874 ice_add_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) 5875 { 5876 struct ice_vsig_prof *tmp1, *del1; 5877 struct LIST_HEAD_TYPE union_lst; 5878 struct ice_chs_chg *tmp, *del; 5879 struct LIST_HEAD_TYPE chg; 5880 enum ice_status status; 5881 u16 vsig; 5882 5883 INIT_LIST_HEAD(&union_lst); 5884 INIT_LIST_HEAD(&chg); 5885 5886 /* Get profile */ 5887 status = ice_get_prof(hw, blk, hdl, &chg); 5888 if (status) 5889 return status; 5890 5891 /* determine if VSI is already part of a VSIG */ 5892 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig); 5893 if (!status && vsig) { 5894 bool only_vsi; 5895 u16 or_vsig; 5896 u16 ref; 5897 5898 /* found in VSIG */ 5899 or_vsig = vsig; 5900 5901 /* make sure that there is no overlap/conflict between the new 5902 * characteristics and the existing ones; we don't support that 5903 * scenario 5904 */ 5905 if (ice_has_prof_vsig(hw, blk, vsig, hdl)) { 5906 status = ICE_ERR_ALREADY_EXISTS; 5907 goto err_ice_add_prof_id_flow; 5908 } 5909 5910 /* last VSI in the VSIG? */ 5911 status = ice_vsig_get_ref(hw, blk, vsig, &ref); 5912 if (status) 5913 goto err_ice_add_prof_id_flow; 5914 only_vsi = (ref == 1); 5915 5916 /* create a union of the current profiles and the one being 5917 * added 5918 */ 5919 status = ice_get_profs_vsig(hw, blk, vsig, &union_lst); 5920 if (status) 5921 goto err_ice_add_prof_id_flow; 5922 5923 status = ice_add_prof_to_lst(hw, blk, &union_lst, hdl); 5924 if (status) 5925 goto err_ice_add_prof_id_flow; 5926 5927 /* search for an existing VSIG with an exact charc match */ 5928 status = ice_find_dup_props_vsig(hw, blk, &union_lst, &vsig); 5929 if (!status) { 5930 /* move VSI to the VSIG that matches */ 5931 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 5932 if (status) 5933 goto err_ice_add_prof_id_flow; 5934 5935 /* VSI has been moved out of or_vsig. If the or_vsig had 5936 * only that VSI it is now empty and can be removed. 5937 */ 5938 if (only_vsi) { 5939 status = ice_rem_vsig(hw, blk, or_vsig, &chg); 5940 if (status) 5941 goto err_ice_add_prof_id_flow; 5942 } 5943 } else if (only_vsi) { 5944 /* If the original VSIG only contains one VSI, then it 5945 * will be the requesting VSI. In this case the VSI is 5946 * not sharing entries and we can simply add the new 5947 * profile to the VSIG. 5948 */ 5949 status = ice_add_prof_id_vsig(hw, blk, vsig, hdl, false, 5950 &chg); 5951 if (status) 5952 goto err_ice_add_prof_id_flow; 5953 5954 /* Adjust priorities */ 5955 status = ice_adj_prof_priorities(hw, blk, vsig, &chg); 5956 if (status) 5957 goto err_ice_add_prof_id_flow; 5958 } else { 5959 /* No match, so we need a new VSIG */ 5960 status = ice_create_vsig_from_lst(hw, blk, vsi, 5961 &union_lst, &vsig, 5962 &chg); 5963 if (status) 5964 goto err_ice_add_prof_id_flow; 5965 5966 /* Adjust priorities */ 5967 status = ice_adj_prof_priorities(hw, blk, vsig, &chg); 5968 if (status) 5969 goto err_ice_add_prof_id_flow; 5970 } 5971 } else { 5972 /* need to find or add a VSIG */ 5973 /* search for an existing VSIG with an exact charc match */ 5974 if (ice_find_prof_vsig(hw, blk, hdl, &vsig)) { 5975 /* found an exact match */ 5976 /* add or move VSI to the VSIG that matches */ 5977 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 5978 if (status) 5979 goto err_ice_add_prof_id_flow; 5980 } else { 5981 /* we did not find an exact match */ 5982 /* we need to add a VSIG */ 5983 status = ice_create_prof_id_vsig(hw, blk, vsi, hdl, 5984 &chg); 5985 if (status) 5986 goto err_ice_add_prof_id_flow; 5987 } 5988 } 5989 5990 /* update hardware */ 5991 if (!status) 5992 status = ice_upd_prof_hw(hw, blk, &chg); 5993 5994 err_ice_add_prof_id_flow: 5995 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 5996 LIST_DEL(&del->list_entry); 5997 ice_free(hw, del); 5998 } 5999 6000 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, &union_lst, ice_vsig_prof, list) { 6001 LIST_DEL(&del1->list); 6002 ice_free(hw, del1); 6003 } 6004 6005 return status; 6006 } 6007 6008 /** 6009 * ice_rem_prof_from_list - remove a profile from list 6010 * @hw: pointer to the HW struct 6011 * @lst: list to remove the profile from 6012 * @hdl: the profile handle indicating the profile to remove 6013 */ 6014 static enum ice_status 6015 ice_rem_prof_from_list(struct ice_hw *hw, struct LIST_HEAD_TYPE *lst, u64 hdl) 6016 { 6017 struct ice_vsig_prof *ent, *tmp; 6018 6019 LIST_FOR_EACH_ENTRY_SAFE(ent, tmp, lst, ice_vsig_prof, list) 6020 if (ent->profile_cookie == hdl) { 6021 LIST_DEL(&ent->list); 6022 ice_free(hw, ent); 6023 return ICE_SUCCESS; 6024 } 6025 6026 return ICE_ERR_DOES_NOT_EXIST; 6027 } 6028 6029 /** 6030 * ice_rem_prof_id_flow - remove flow 6031 * @hw: pointer to the HW struct 6032 * @blk: hardware block 6033 * @vsi: the VSI from which to remove the profile specified by ID 6034 * @hdl: profile tracking handle 6035 * 6036 * Calling this function will update the hardware tables to remove the 6037 * profile indicated by the ID parameter for the VSIs specified in the VSI 6038 * array. Once successfully called, the flow will be disabled. 6039 */ 6040 enum ice_status 6041 ice_rem_prof_id_flow(struct ice_hw *hw, enum ice_block blk, u16 vsi, u64 hdl) 6042 { 6043 struct ice_vsig_prof *tmp1, *del1; 6044 struct LIST_HEAD_TYPE chg, copy; 6045 struct ice_chs_chg *tmp, *del; 6046 enum ice_status status; 6047 u16 vsig; 6048 6049 INIT_LIST_HEAD(©); 6050 INIT_LIST_HEAD(&chg); 6051 6052 /* determine if VSI is already part of a VSIG */ 6053 status = ice_vsig_find_vsi(hw, blk, vsi, &vsig); 6054 if (!status && vsig) { 6055 bool last_profile; 6056 bool only_vsi; 6057 u16 ref; 6058 6059 /* found in VSIG */ 6060 last_profile = ice_vsig_prof_id_count(hw, blk, vsig) == 1; 6061 status = ice_vsig_get_ref(hw, blk, vsig, &ref); 6062 if (status) 6063 goto err_ice_rem_prof_id_flow; 6064 only_vsi = (ref == 1); 6065 6066 if (only_vsi) { 6067 /* If the original VSIG only contains one reference, 6068 * which will be the requesting VSI, then the VSI is not 6069 * sharing entries and we can simply remove the specific 6070 * characteristics from the VSIG. 6071 */ 6072 6073 if (last_profile) { 6074 /* If there are no profiles left for this VSIG, 6075 * then simply remove the VSIG. 6076 */ 6077 status = ice_rem_vsig(hw, blk, vsig, &chg); 6078 if (status) 6079 goto err_ice_rem_prof_id_flow; 6080 } else { 6081 status = ice_rem_prof_id_vsig(hw, blk, vsig, 6082 hdl, &chg); 6083 if (status) 6084 goto err_ice_rem_prof_id_flow; 6085 6086 /* Adjust priorities */ 6087 status = ice_adj_prof_priorities(hw, blk, vsig, 6088 &chg); 6089 if (status) 6090 goto err_ice_rem_prof_id_flow; 6091 } 6092 6093 } else { 6094 /* Make a copy of the VSIG's list of Profiles */ 6095 status = ice_get_profs_vsig(hw, blk, vsig, ©); 6096 if (status) 6097 goto err_ice_rem_prof_id_flow; 6098 6099 /* Remove specified profile entry from the list */ 6100 status = ice_rem_prof_from_list(hw, ©, hdl); 6101 if (status) 6102 goto err_ice_rem_prof_id_flow; 6103 6104 if (LIST_EMPTY(©)) { 6105 status = ice_move_vsi(hw, blk, vsi, 6106 ICE_DEFAULT_VSIG, &chg); 6107 if (status) 6108 goto err_ice_rem_prof_id_flow; 6109 6110 } else if (!ice_find_dup_props_vsig(hw, blk, ©, 6111 &vsig)) { 6112 /* found an exact match */ 6113 /* add or move VSI to the VSIG that matches */ 6114 /* Search for a VSIG with a matching profile 6115 * list 6116 */ 6117 6118 /* Found match, move VSI to the matching VSIG */ 6119 status = ice_move_vsi(hw, blk, vsi, vsig, &chg); 6120 if (status) 6121 goto err_ice_rem_prof_id_flow; 6122 } else { 6123 /* since no existing VSIG supports this 6124 * characteristic pattern, we need to create a 6125 * new VSIG and TCAM entries 6126 */ 6127 status = ice_create_vsig_from_lst(hw, blk, vsi, 6128 ©, &vsig, 6129 &chg); 6130 if (status) 6131 goto err_ice_rem_prof_id_flow; 6132 6133 /* Adjust priorities */ 6134 status = ice_adj_prof_priorities(hw, blk, vsig, 6135 &chg); 6136 if (status) 6137 goto err_ice_rem_prof_id_flow; 6138 } 6139 } 6140 } else { 6141 status = ICE_ERR_DOES_NOT_EXIST; 6142 } 6143 6144 /* update hardware tables */ 6145 if (!status) 6146 status = ice_upd_prof_hw(hw, blk, &chg); 6147 6148 err_ice_rem_prof_id_flow: 6149 LIST_FOR_EACH_ENTRY_SAFE(del, tmp, &chg, ice_chs_chg, list_entry) { 6150 LIST_DEL(&del->list_entry); 6151 ice_free(hw, del); 6152 } 6153 6154 LIST_FOR_EACH_ENTRY_SAFE(del1, tmp1, ©, ice_vsig_prof, list) { 6155 LIST_DEL(&del1->list); 6156 ice_free(hw, del1); 6157 } 6158 6159 return status; 6160 } 6161