1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Driver for Marvell PPv2 network controller for Armada 375 SoC. 4 * 5 * Copyright (C) 2018 Marvell 6 */ 7 8#include <linux/kernel.h> 9#include <linux/slab.h> 10#include <linux/debugfs.h> 11 12#include "mvpp2.h" 13#include "mvpp2_prs.h" 14#include "mvpp2_cls.h" 15 16struct mvpp2_dbgfs_prs_entry { 17 int tid; 18 struct mvpp2 *priv; 19}; 20 21struct mvpp2_dbgfs_c2_entry { 22 int id; 23 struct mvpp2 *priv; 24}; 25 26struct mvpp2_dbgfs_flow_entry { 27 int flow; 28 struct mvpp2 *priv; 29}; 30 31struct mvpp2_dbgfs_flow_tbl_entry { 32 int id; 33 struct mvpp2 *priv; 34}; 35 36struct mvpp2_dbgfs_port_flow_entry { 37 struct mvpp2_port *port; 38 struct mvpp2_dbgfs_flow_entry *dbg_fe; 39}; 40 41struct mvpp2_dbgfs_entries { 42 /* Entries for Header Parser debug info */ 43 struct mvpp2_dbgfs_prs_entry prs_entries[MVPP2_PRS_TCAM_SRAM_SIZE]; 44 45 /* Entries for Classifier C2 engine debug info */ 46 struct mvpp2_dbgfs_c2_entry c2_entries[MVPP22_CLS_C2_N_ENTRIES]; 47 48 /* Entries for Classifier Flow Table debug info */ 49 struct mvpp2_dbgfs_flow_tbl_entry flt_entries[MVPP2_CLS_FLOWS_TBL_SIZE]; 50 51 /* Entries for Classifier flows debug info */ 52 struct mvpp2_dbgfs_flow_entry flow_entries[MVPP2_N_PRS_FLOWS]; 53 54 /* Entries for per-port flows debug info */ 55 struct mvpp2_dbgfs_port_flow_entry port_flow_entries[MVPP2_MAX_PORTS]; 56}; 57 58static int mvpp2_dbgfs_flow_flt_hits_show(struct seq_file *s, void *unused) 59{ 60 struct mvpp2_dbgfs_flow_tbl_entry *entry = s->private; 61 62 u32 hits = mvpp2_cls_flow_hits(entry->priv, entry->id); 63 64 seq_printf(s, "%u\n", hits); 65 66 return 0; 67} 68 69DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_flt_hits); 70 71static int mvpp2_dbgfs_flow_dec_hits_show(struct seq_file *s, void *unused) 72{ 73 struct mvpp2_dbgfs_flow_entry *entry = s->private; 74 75 u32 hits = mvpp2_cls_lookup_hits(entry->priv, entry->flow); 76 77 seq_printf(s, "%u\n", hits); 78 79 return 0; 80} 81 82DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_dec_hits); 83 84static int mvpp2_dbgfs_flow_type_show(struct seq_file *s, void *unused) 85{ 86 struct mvpp2_dbgfs_flow_entry *entry = s->private; 87 const struct mvpp2_cls_flow *f; 88 const char *flow_name; 89 90 f = mvpp2_cls_flow_get(entry->flow); 91 if (!f) 92 return -EINVAL; 93 94 switch (f->flow_type) { 95 case IPV4_FLOW: 96 flow_name = "ipv4"; 97 break; 98 case IPV6_FLOW: 99 flow_name = "ipv6"; 100 break; 101 case TCP_V4_FLOW: 102 flow_name = "tcp4"; 103 break; 104 case TCP_V6_FLOW: 105 flow_name = "tcp6"; 106 break; 107 case UDP_V4_FLOW: 108 flow_name = "udp4"; 109 break; 110 case UDP_V6_FLOW: 111 flow_name = "udp6"; 112 break; 113 default: 114 flow_name = "other"; 115 } 116 117 seq_printf(s, "%s\n", flow_name); 118 119 return 0; 120} 121 122DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_type); 123 124static int mvpp2_dbgfs_flow_id_show(struct seq_file *s, void *unused) 125{ 126 const struct mvpp2_dbgfs_flow_entry *entry = s->private; 127 const struct mvpp2_cls_flow *f; 128 129 f = mvpp2_cls_flow_get(entry->flow); 130 if (!f) 131 return -EINVAL; 132 133 seq_printf(s, "%d\n", f->flow_id); 134 135 return 0; 136} 137 138DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_id); 139 140static int mvpp2_dbgfs_port_flow_hash_opt_show(struct seq_file *s, void *unused) 141{ 142 struct mvpp2_dbgfs_port_flow_entry *entry = s->private; 143 struct mvpp2_port *port = entry->port; 144 struct mvpp2_cls_flow_entry fe; 145 const struct mvpp2_cls_flow *f; 146 int flow_index; 147 u16 hash_opts; 148 149 f = mvpp2_cls_flow_get(entry->dbg_fe->flow); 150 if (!f) 151 return -EINVAL; 152 153 flow_index = MVPP2_CLS_FLT_HASH_ENTRY(entry->port->id, f->flow_id); 154 155 mvpp2_cls_flow_read(port->priv, flow_index, &fe); 156 157 hash_opts = mvpp2_flow_get_hek_fields(&fe); 158 159 seq_printf(s, "0x%04x\n", hash_opts); 160 161 return 0; 162} 163 164DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_flow_hash_opt); 165 166static int mvpp2_dbgfs_port_flow_engine_show(struct seq_file *s, void *unused) 167{ 168 struct mvpp2_dbgfs_port_flow_entry *entry = s->private; 169 struct mvpp2_port *port = entry->port; 170 struct mvpp2_cls_flow_entry fe; 171 const struct mvpp2_cls_flow *f; 172 int flow_index, engine; 173 174 f = mvpp2_cls_flow_get(entry->dbg_fe->flow); 175 if (!f) 176 return -EINVAL; 177 178 flow_index = MVPP2_CLS_FLT_HASH_ENTRY(entry->port->id, f->flow_id); 179 180 mvpp2_cls_flow_read(port->priv, flow_index, &fe); 181 182 engine = mvpp2_cls_flow_eng_get(&fe); 183 184 seq_printf(s, "%d\n", engine); 185 186 return 0; 187} 188 189DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_flow_engine); 190 191static int mvpp2_dbgfs_flow_c2_hits_show(struct seq_file *s, void *unused) 192{ 193 struct mvpp2_dbgfs_c2_entry *entry = s->private; 194 u32 hits; 195 196 hits = mvpp2_cls_c2_hit_count(entry->priv, entry->id); 197 198 seq_printf(s, "%u\n", hits); 199 200 return 0; 201} 202 203DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_hits); 204 205static int mvpp2_dbgfs_flow_c2_rxq_show(struct seq_file *s, void *unused) 206{ 207 struct mvpp2_dbgfs_c2_entry *entry = s->private; 208 struct mvpp2_cls_c2_entry c2; 209 u8 qh, ql; 210 211 mvpp2_cls_c2_read(entry->priv, entry->id, &c2); 212 213 qh = (c2.attr[0] >> MVPP22_CLS_C2_ATTR0_QHIGH_OFFS) & 214 MVPP22_CLS_C2_ATTR0_QHIGH_MASK; 215 216 ql = (c2.attr[0] >> MVPP22_CLS_C2_ATTR0_QLOW_OFFS) & 217 MVPP22_CLS_C2_ATTR0_QLOW_MASK; 218 219 seq_printf(s, "%d\n", (qh << 3 | ql)); 220 221 return 0; 222} 223 224DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_rxq); 225 226static int mvpp2_dbgfs_flow_c2_enable_show(struct seq_file *s, void *unused) 227{ 228 struct mvpp2_dbgfs_c2_entry *entry = s->private; 229 struct mvpp2_cls_c2_entry c2; 230 int enabled; 231 232 mvpp2_cls_c2_read(entry->priv, entry->id, &c2); 233 234 enabled = !!(c2.attr[2] & MVPP22_CLS_C2_ATTR2_RSS_EN); 235 236 seq_printf(s, "%d\n", enabled); 237 238 return 0; 239} 240 241DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_flow_c2_enable); 242 243static int mvpp2_dbgfs_port_vid_show(struct seq_file *s, void *unused) 244{ 245 struct mvpp2_port *port = s->private; 246 unsigned char byte[2], enable[2]; 247 struct mvpp2 *priv = port->priv; 248 struct mvpp2_prs_entry pe; 249 unsigned long pmap; 250 u16 rvid; 251 int tid; 252 253 for (tid = MVPP2_PRS_VID_PORT_FIRST(port->id); 254 tid <= MVPP2_PRS_VID_PORT_LAST(port->id); tid++) { 255 mvpp2_prs_init_from_hw(priv, &pe, tid); 256 257 pmap = mvpp2_prs_tcam_port_map_get(&pe); 258 259 if (!priv->prs_shadow[tid].valid) 260 continue; 261 262 if (!test_bit(port->id, &pmap)) 263 continue; 264 265 mvpp2_prs_tcam_data_byte_get(&pe, 2, &byte[0], &enable[0]); 266 mvpp2_prs_tcam_data_byte_get(&pe, 3, &byte[1], &enable[1]); 267 268 rvid = ((byte[0] & 0xf) << 8) + byte[1]; 269 270 seq_printf(s, "%u\n", rvid); 271 } 272 273 return 0; 274} 275 276DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_vid); 277 278static int mvpp2_dbgfs_port_parser_show(struct seq_file *s, void *unused) 279{ 280 struct mvpp2_port *port = s->private; 281 struct mvpp2 *priv = port->priv; 282 struct mvpp2_prs_entry pe; 283 unsigned long pmap; 284 int i; 285 286 for (i = 0; i < MVPP2_PRS_TCAM_SRAM_SIZE; i++) { 287 mvpp2_prs_init_from_hw(port->priv, &pe, i); 288 289 pmap = mvpp2_prs_tcam_port_map_get(&pe); 290 if (priv->prs_shadow[i].valid && test_bit(port->id, &pmap)) 291 seq_printf(s, "%03d\n", i); 292 } 293 294 return 0; 295} 296 297DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_port_parser); 298 299static int mvpp2_dbgfs_filter_show(struct seq_file *s, void *unused) 300{ 301 struct mvpp2_port *port = s->private; 302 struct mvpp2 *priv = port->priv; 303 struct mvpp2_prs_entry pe; 304 unsigned long pmap; 305 int index, tid; 306 307 for (tid = MVPP2_PE_MAC_RANGE_START; 308 tid <= MVPP2_PE_MAC_RANGE_END; tid++) { 309 unsigned char da[ETH_ALEN], da_mask[ETH_ALEN]; 310 311 if (!priv->prs_shadow[tid].valid || 312 priv->prs_shadow[tid].lu != MVPP2_PRS_LU_MAC || 313 priv->prs_shadow[tid].udf != MVPP2_PRS_UDF_MAC_DEF) 314 continue; 315 316 mvpp2_prs_init_from_hw(priv, &pe, tid); 317 318 pmap = mvpp2_prs_tcam_port_map_get(&pe); 319 320 /* We only want entries active on this port */ 321 if (!test_bit(port->id, &pmap)) 322 continue; 323 324 /* Read mac addr from entry */ 325 for (index = 0; index < ETH_ALEN; index++) 326 mvpp2_prs_tcam_data_byte_get(&pe, index, &da[index], 327 &da_mask[index]); 328 329 seq_printf(s, "%pM\n", da); 330 } 331 332 return 0; 333} 334 335DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_filter); 336 337static int mvpp2_dbgfs_prs_lu_show(struct seq_file *s, void *unused) 338{ 339 struct mvpp2_dbgfs_prs_entry *entry = s->private; 340 struct mvpp2 *priv = entry->priv; 341 342 seq_printf(s, "%x\n", priv->prs_shadow[entry->tid].lu); 343 344 return 0; 345} 346 347DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_lu); 348 349static int mvpp2_dbgfs_prs_pmap_show(struct seq_file *s, void *unused) 350{ 351 struct mvpp2_dbgfs_prs_entry *entry = s->private; 352 struct mvpp2_prs_entry pe; 353 unsigned int pmap; 354 355 mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid); 356 357 pmap = mvpp2_prs_tcam_port_map_get(&pe); 358 pmap &= MVPP2_PRS_PORT_MASK; 359 360 seq_printf(s, "%02x\n", pmap); 361 362 return 0; 363} 364 365DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_pmap); 366 367static int mvpp2_dbgfs_prs_ai_show(struct seq_file *s, void *unused) 368{ 369 struct mvpp2_dbgfs_prs_entry *entry = s->private; 370 struct mvpp2_prs_entry pe; 371 unsigned char ai, ai_mask; 372 373 mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid); 374 375 ai = pe.tcam[MVPP2_PRS_TCAM_AI_WORD] & MVPP2_PRS_AI_MASK; 376 ai_mask = (pe.tcam[MVPP2_PRS_TCAM_AI_WORD] >> 16) & MVPP2_PRS_AI_MASK; 377 378 seq_printf(s, "%02x %02x\n", ai, ai_mask); 379 380 return 0; 381} 382 383DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_ai); 384 385static int mvpp2_dbgfs_prs_hdata_show(struct seq_file *s, void *unused) 386{ 387 struct mvpp2_dbgfs_prs_entry *entry = s->private; 388 struct mvpp2_prs_entry pe; 389 unsigned char data[8], mask[8]; 390 int i; 391 392 mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid); 393 394 for (i = 0; i < 8; i++) 395 mvpp2_prs_tcam_data_byte_get(&pe, i, &data[i], &mask[i]); 396 397 seq_printf(s, "%*phN %*phN\n", 8, data, 8, mask); 398 399 return 0; 400} 401 402DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_hdata); 403 404static int mvpp2_dbgfs_prs_sram_show(struct seq_file *s, void *unused) 405{ 406 struct mvpp2_dbgfs_prs_entry *entry = s->private; 407 struct mvpp2_prs_entry pe; 408 409 mvpp2_prs_init_from_hw(entry->priv, &pe, entry->tid); 410 411 seq_printf(s, "%*phN\n", 14, pe.sram); 412 413 return 0; 414} 415 416DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_sram); 417 418static int mvpp2_dbgfs_prs_hits_show(struct seq_file *s, void *unused) 419{ 420 struct mvpp2_dbgfs_prs_entry *entry = s->private; 421 int val; 422 423 val = mvpp2_prs_hits(entry->priv, entry->tid); 424 if (val < 0) 425 return val; 426 427 seq_printf(s, "%d\n", val); 428 429 return 0; 430} 431 432DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_hits); 433 434static int mvpp2_dbgfs_prs_valid_show(struct seq_file *s, void *unused) 435{ 436 struct mvpp2_dbgfs_prs_entry *entry = s->private; 437 struct mvpp2 *priv = entry->priv; 438 int tid = entry->tid; 439 440 seq_printf(s, "%d\n", priv->prs_shadow[tid].valid ? 1 : 0); 441 442 return 0; 443} 444 445DEFINE_SHOW_ATTRIBUTE(mvpp2_dbgfs_prs_valid); 446 447static int mvpp2_dbgfs_flow_port_init(struct dentry *parent, 448 struct mvpp2_port *port, 449 struct mvpp2_dbgfs_flow_entry *entry) 450{ 451 struct mvpp2_dbgfs_port_flow_entry *port_entry; 452 struct dentry *port_dir; 453 454 port_dir = debugfs_create_dir(port->dev->name, parent); 455 456 port_entry = &port->priv->dbgfs_entries->port_flow_entries[port->id]; 457 458 port_entry->port = port; 459 port_entry->dbg_fe = entry; 460 461 debugfs_create_file("hash_opts", 0444, port_dir, port_entry, 462 &mvpp2_dbgfs_port_flow_hash_opt_fops); 463 464 debugfs_create_file("engine", 0444, port_dir, port_entry, 465 &mvpp2_dbgfs_port_flow_engine_fops); 466 467 return 0; 468} 469 470static int mvpp2_dbgfs_flow_entry_init(struct dentry *parent, 471 struct mvpp2 *priv, int flow) 472{ 473 struct mvpp2_dbgfs_flow_entry *entry; 474 struct dentry *flow_entry_dir; 475 char flow_entry_name[10]; 476 int i, ret; 477 478 sprintf(flow_entry_name, "%02d", flow); 479 480 flow_entry_dir = debugfs_create_dir(flow_entry_name, parent); 481 482 entry = &priv->dbgfs_entries->flow_entries[flow]; 483 484 entry->flow = flow; 485 entry->priv = priv; 486 487 debugfs_create_file("dec_hits", 0444, flow_entry_dir, entry, 488 &mvpp2_dbgfs_flow_dec_hits_fops); 489 490 debugfs_create_file("type", 0444, flow_entry_dir, entry, 491 &mvpp2_dbgfs_flow_type_fops); 492 493 debugfs_create_file("id", 0444, flow_entry_dir, entry, 494 &mvpp2_dbgfs_flow_id_fops); 495 496 /* Create entry for each port */ 497 for (i = 0; i < priv->port_count; i++) { 498 ret = mvpp2_dbgfs_flow_port_init(flow_entry_dir, 499 priv->port_list[i], entry); 500 if (ret) 501 return ret; 502 } 503 504 return 0; 505} 506 507static int mvpp2_dbgfs_flow_init(struct dentry *parent, struct mvpp2 *priv) 508{ 509 struct dentry *flow_dir; 510 int i, ret; 511 512 flow_dir = debugfs_create_dir("flows", parent); 513 514 for (i = 0; i < MVPP2_N_PRS_FLOWS; i++) { 515 ret = mvpp2_dbgfs_flow_entry_init(flow_dir, priv, i); 516 if (ret) 517 return ret; 518 } 519 520 return 0; 521} 522 523static int mvpp2_dbgfs_prs_entry_init(struct dentry *parent, 524 struct mvpp2 *priv, int tid) 525{ 526 struct mvpp2_dbgfs_prs_entry *entry; 527 struct dentry *prs_entry_dir; 528 char prs_entry_name[10]; 529 530 if (tid >= MVPP2_PRS_TCAM_SRAM_SIZE) 531 return -EINVAL; 532 533 sprintf(prs_entry_name, "%03d", tid); 534 535 prs_entry_dir = debugfs_create_dir(prs_entry_name, parent); 536 537 entry = &priv->dbgfs_entries->prs_entries[tid]; 538 539 entry->tid = tid; 540 entry->priv = priv; 541 542 /* Create each attr */ 543 debugfs_create_file("sram", 0444, prs_entry_dir, entry, 544 &mvpp2_dbgfs_prs_sram_fops); 545 546 debugfs_create_file("valid", 0644, prs_entry_dir, entry, 547 &mvpp2_dbgfs_prs_valid_fops); 548 549 debugfs_create_file("lookup_id", 0644, prs_entry_dir, entry, 550 &mvpp2_dbgfs_prs_lu_fops); 551 552 debugfs_create_file("ai", 0644, prs_entry_dir, entry, 553 &mvpp2_dbgfs_prs_ai_fops); 554 555 debugfs_create_file("header_data", 0644, prs_entry_dir, entry, 556 &mvpp2_dbgfs_prs_hdata_fops); 557 558 debugfs_create_file("hits", 0444, prs_entry_dir, entry, 559 &mvpp2_dbgfs_prs_hits_fops); 560 561 debugfs_create_file("pmap", 0444, prs_entry_dir, entry, 562 &mvpp2_dbgfs_prs_pmap_fops); 563 564 return 0; 565} 566 567static int mvpp2_dbgfs_prs_init(struct dentry *parent, struct mvpp2 *priv) 568{ 569 struct dentry *prs_dir; 570 int i, ret; 571 572 prs_dir = debugfs_create_dir("parser", parent); 573 574 for (i = 0; i < MVPP2_PRS_TCAM_SRAM_SIZE; i++) { 575 ret = mvpp2_dbgfs_prs_entry_init(prs_dir, priv, i); 576 if (ret) 577 return ret; 578 } 579 580 return 0; 581} 582 583static int mvpp2_dbgfs_c2_entry_init(struct dentry *parent, 584 struct mvpp2 *priv, int id) 585{ 586 struct mvpp2_dbgfs_c2_entry *entry; 587 struct dentry *c2_entry_dir; 588 char c2_entry_name[10]; 589 590 if (id >= MVPP22_CLS_C2_N_ENTRIES) 591 return -EINVAL; 592 593 sprintf(c2_entry_name, "%03d", id); 594 595 c2_entry_dir = debugfs_create_dir(c2_entry_name, parent); 596 597 entry = &priv->dbgfs_entries->c2_entries[id]; 598 599 entry->id = id; 600 entry->priv = priv; 601 602 debugfs_create_file("hits", 0444, c2_entry_dir, entry, 603 &mvpp2_dbgfs_flow_c2_hits_fops); 604 605 debugfs_create_file("default_rxq", 0444, c2_entry_dir, entry, 606 &mvpp2_dbgfs_flow_c2_rxq_fops); 607 608 debugfs_create_file("rss_enable", 0444, c2_entry_dir, entry, 609 &mvpp2_dbgfs_flow_c2_enable_fops); 610 611 return 0; 612} 613 614static int mvpp2_dbgfs_flow_tbl_entry_init(struct dentry *parent, 615 struct mvpp2 *priv, int id) 616{ 617 struct mvpp2_dbgfs_flow_tbl_entry *entry; 618 struct dentry *flow_tbl_entry_dir; 619 char flow_tbl_entry_name[10]; 620 621 if (id >= MVPP2_CLS_FLOWS_TBL_SIZE) 622 return -EINVAL; 623 624 sprintf(flow_tbl_entry_name, "%03d", id); 625 626 flow_tbl_entry_dir = debugfs_create_dir(flow_tbl_entry_name, parent); 627 628 entry = &priv->dbgfs_entries->flt_entries[id]; 629 630 entry->id = id; 631 entry->priv = priv; 632 633 debugfs_create_file("hits", 0444, flow_tbl_entry_dir, entry, 634 &mvpp2_dbgfs_flow_flt_hits_fops); 635 636 return 0; 637} 638 639static int mvpp2_dbgfs_cls_init(struct dentry *parent, struct mvpp2 *priv) 640{ 641 struct dentry *cls_dir, *c2_dir, *flow_tbl_dir; 642 int i, ret; 643 644 cls_dir = debugfs_create_dir("classifier", parent); 645 646 c2_dir = debugfs_create_dir("c2", cls_dir); 647 648 for (i = 0; i < MVPP22_CLS_C2_N_ENTRIES; i++) { 649 ret = mvpp2_dbgfs_c2_entry_init(c2_dir, priv, i); 650 if (ret) 651 return ret; 652 } 653 654 flow_tbl_dir = debugfs_create_dir("flow_table", cls_dir); 655 656 for (i = 0; i < MVPP2_CLS_FLOWS_TBL_SIZE; i++) { 657 ret = mvpp2_dbgfs_flow_tbl_entry_init(flow_tbl_dir, priv, i); 658 if (ret) 659 return ret; 660 } 661 662 return 0; 663} 664 665static int mvpp2_dbgfs_port_init(struct dentry *parent, 666 struct mvpp2_port *port) 667{ 668 struct dentry *port_dir; 669 670 port_dir = debugfs_create_dir(port->dev->name, parent); 671 672 debugfs_create_file("parser_entries", 0444, port_dir, port, 673 &mvpp2_dbgfs_port_parser_fops); 674 675 debugfs_create_file("mac_filter", 0444, port_dir, port, 676 &mvpp2_dbgfs_filter_fops); 677 678 debugfs_create_file("vid_filter", 0444, port_dir, port, 679 &mvpp2_dbgfs_port_vid_fops); 680 681 return 0; 682} 683 684static struct dentry *mvpp2_root; 685 686void mvpp2_dbgfs_exit(void) 687{ 688 debugfs_remove(mvpp2_root); 689} 690 691void mvpp2_dbgfs_cleanup(struct mvpp2 *priv) 692{ 693 debugfs_remove_recursive(priv->dbgfs_dir); 694 695 kfree(priv->dbgfs_entries); 696} 697 698void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name) 699{ 700 struct dentry *mvpp2_dir; 701 int ret, i; 702 703 if (!mvpp2_root) 704 mvpp2_root = debugfs_create_dir(MVPP2_DRIVER_NAME, NULL); 705 706 mvpp2_dir = debugfs_create_dir(name, mvpp2_root); 707 708 priv->dbgfs_dir = mvpp2_dir; 709 priv->dbgfs_entries = kzalloc(sizeof(*priv->dbgfs_entries), GFP_KERNEL); 710 if (!priv->dbgfs_entries) 711 goto err; 712 713 ret = mvpp2_dbgfs_prs_init(mvpp2_dir, priv); 714 if (ret) 715 goto err; 716 717 ret = mvpp2_dbgfs_cls_init(mvpp2_dir, priv); 718 if (ret) 719 goto err; 720 721 for (i = 0; i < priv->port_count; i++) { 722 ret = mvpp2_dbgfs_port_init(mvpp2_dir, priv->port_list[i]); 723 if (ret) 724 goto err; 725 } 726 727 ret = mvpp2_dbgfs_flow_init(mvpp2_dir, priv); 728 if (ret) 729 goto err; 730 731 return; 732err: 733 mvpp2_dbgfs_cleanup(priv); 734} 735