1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along with 16 * this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * The full GNU General Public License is included in this distribution in 20 * the file called "COPYING". 21 * 22 * Contact Information: 23 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 * 26 ******************************************************************************/ 27 28 #ifdef CONFIG_DEBUG_FS 29 30 #include <linux/fs.h> 31 #include <linux/debugfs.h> 32 33 #include "i40e.h" 34 35 static struct dentry *i40e_dbg_root; 36 37 /** 38 * i40e_dbg_find_vsi - searches for the vsi with the given seid 39 * @pf - the pf structure to search for the vsi 40 * @seid - seid of the vsi it is searching for 41 **/ 42 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) 43 { 44 int i; 45 46 if (seid < 0) 47 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 48 else 49 for (i = 0; i < pf->hw.func_caps.num_vsis; i++) 50 if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) 51 return pf->vsi[i]; 52 53 return NULL; 54 } 55 56 /** 57 * i40e_dbg_find_veb - searches for the veb with the given seid 58 * @pf - the pf structure to search for the veb 59 * @seid - seid of the veb it is searching for 60 **/ 61 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) 62 { 63 int i; 64 65 if ((seid < I40E_BASE_VEB_SEID) || 66 (seid > (I40E_BASE_VEB_SEID + I40E_MAX_VEB))) 67 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 68 else 69 for (i = 0; i < I40E_MAX_VEB; i++) 70 if (pf->veb[i] && pf->veb[i]->seid == seid) 71 return pf->veb[i]; 72 return NULL; 73 } 74 75 /************************************************************** 76 * dump 77 * The dump entry in debugfs is for getting a data snapshow of 78 * the driver's current configuration and runtime details. 79 * When the filesystem entry is written, a snapshot is taken. 80 * When the entry is read, the most recent snapshot data is dumped. 81 **************************************************************/ 82 static char *i40e_dbg_dump_buf; 83 static ssize_t i40e_dbg_dump_data_len; 84 static ssize_t i40e_dbg_dump_buffer_len; 85 86 /** 87 * i40e_dbg_dump_read - read the dump data 88 * @filp: the opened file 89 * @buffer: where to write the data for the user to read 90 * @count: the size of the user's buffer 91 * @ppos: file position offset 92 **/ 93 static ssize_t i40e_dbg_dump_read(struct file *filp, char __user *buffer, 94 size_t count, loff_t *ppos) 95 { 96 int bytes_not_copied; 97 int len; 98 99 /* is *ppos bigger than the available data? */ 100 if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf) 101 return 0; 102 103 /* be sure to not read beyond the end of available data */ 104 len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos)); 105 106 bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len); 107 if (bytes_not_copied < 0) 108 return bytes_not_copied; 109 110 *ppos += len; 111 return len; 112 } 113 114 /** 115 * i40e_dbg_prep_dump_buf 116 * @pf: the pf we're working with 117 * @buflen: the desired buffer length 118 * 119 * Return positive if success, 0 if failed 120 **/ 121 static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen) 122 { 123 /* if not already big enough, prep for re alloc */ 124 if (i40e_dbg_dump_buffer_len && i40e_dbg_dump_buffer_len < buflen) { 125 kfree(i40e_dbg_dump_buf); 126 i40e_dbg_dump_buffer_len = 0; 127 i40e_dbg_dump_buf = NULL; 128 } 129 130 /* get a new buffer if needed */ 131 if (!i40e_dbg_dump_buf) { 132 i40e_dbg_dump_buf = kzalloc(buflen, GFP_KERNEL); 133 if (i40e_dbg_dump_buf != NULL) 134 i40e_dbg_dump_buffer_len = buflen; 135 } 136 137 return i40e_dbg_dump_buffer_len; 138 } 139 140 /** 141 * i40e_dbg_dump_write - trigger a datadump snapshot 142 * @filp: the opened file 143 * @buffer: where to find the user's data 144 * @count: the length of the user's data 145 * @ppos: file position offset 146 * 147 * Any write clears the stats 148 **/ 149 static ssize_t i40e_dbg_dump_write(struct file *filp, 150 const char __user *buffer, 151 size_t count, loff_t *ppos) 152 { 153 struct i40e_pf *pf = filp->private_data; 154 bool seid_found = false; 155 long seid = -1; 156 int buflen = 0; 157 int i, ret; 158 int len; 159 u8 *p; 160 161 /* don't allow partial writes */ 162 if (*ppos != 0) 163 return 0; 164 165 /* decode the SEID given to be dumped */ 166 ret = kstrtol_from_user(buffer, count, 0, &seid); 167 168 if (ret) { 169 dev_info(&pf->pdev->dev, "bad seid value\n"); 170 } else if (seid == 0) { 171 seid_found = true; 172 173 kfree(i40e_dbg_dump_buf); 174 i40e_dbg_dump_buffer_len = 0; 175 i40e_dbg_dump_data_len = 0; 176 i40e_dbg_dump_buf = NULL; 177 dev_info(&pf->pdev->dev, "debug buffer freed\n"); 178 179 } else if (seid == pf->pf_seid || seid == 1) { 180 seid_found = true; 181 182 buflen = sizeof(struct i40e_pf); 183 buflen += (sizeof(struct i40e_aq_desc) 184 * (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries)); 185 186 if (i40e_dbg_prep_dump_buf(pf, buflen)) { 187 p = i40e_dbg_dump_buf; 188 189 len = sizeof(struct i40e_pf); 190 memcpy(p, pf, len); 191 p += len; 192 193 len = (sizeof(struct i40e_aq_desc) 194 * pf->hw.aq.num_asq_entries); 195 memcpy(p, pf->hw.aq.asq.desc, len); 196 p += len; 197 198 len = (sizeof(struct i40e_aq_desc) 199 * pf->hw.aq.num_arq_entries); 200 memcpy(p, pf->hw.aq.arq.desc, len); 201 p += len; 202 203 i40e_dbg_dump_data_len = buflen; 204 dev_info(&pf->pdev->dev, 205 "PF seid %ld dumped %d bytes\n", 206 seid, (int)i40e_dbg_dump_data_len); 207 } 208 } else if (seid >= I40E_BASE_VSI_SEID) { 209 struct i40e_vsi *vsi = NULL; 210 struct i40e_mac_filter *f; 211 int filter_count = 0; 212 213 mutex_lock(&pf->switch_mutex); 214 vsi = i40e_dbg_find_vsi(pf, seid); 215 if (!vsi) { 216 mutex_unlock(&pf->switch_mutex); 217 goto write_exit; 218 } 219 220 buflen = sizeof(struct i40e_vsi); 221 buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors; 222 buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs; 223 buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs; 224 buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs; 225 list_for_each_entry(f, &vsi->mac_filter_list, list) 226 filter_count++; 227 buflen += sizeof(struct i40e_mac_filter) * filter_count; 228 229 if (i40e_dbg_prep_dump_buf(pf, buflen)) { 230 p = i40e_dbg_dump_buf; 231 seid_found = true; 232 233 len = sizeof(struct i40e_vsi); 234 memcpy(p, vsi, len); 235 p += len; 236 237 if (vsi->num_q_vectors) { 238 len = (sizeof(struct i40e_q_vector) 239 * vsi->num_q_vectors); 240 memcpy(p, vsi->q_vectors, len); 241 p += len; 242 } 243 244 if (vsi->num_queue_pairs) { 245 len = (sizeof(struct i40e_ring) * 246 vsi->num_queue_pairs); 247 memcpy(p, vsi->tx_rings, len); 248 p += len; 249 memcpy(p, vsi->rx_rings, len); 250 p += len; 251 } 252 253 if (vsi->tx_rings[0]) { 254 len = sizeof(struct i40e_tx_buffer); 255 for (i = 0; i < vsi->num_queue_pairs; i++) { 256 memcpy(p, vsi->tx_rings[i]->tx_bi, len); 257 p += len; 258 } 259 len = sizeof(struct i40e_rx_buffer); 260 for (i = 0; i < vsi->num_queue_pairs; i++) { 261 memcpy(p, vsi->rx_rings[i]->rx_bi, len); 262 p += len; 263 } 264 } 265 266 /* macvlan filter list */ 267 len = sizeof(struct i40e_mac_filter); 268 list_for_each_entry(f, &vsi->mac_filter_list, list) { 269 memcpy(p, f, len); 270 p += len; 271 } 272 273 i40e_dbg_dump_data_len = buflen; 274 dev_info(&pf->pdev->dev, 275 "VSI seid %ld dumped %d bytes\n", 276 seid, (int)i40e_dbg_dump_data_len); 277 } 278 mutex_unlock(&pf->switch_mutex); 279 } else if (seid >= I40E_BASE_VEB_SEID) { 280 struct i40e_veb *veb = NULL; 281 282 mutex_lock(&pf->switch_mutex); 283 veb = i40e_dbg_find_veb(pf, seid); 284 if (!veb) { 285 mutex_unlock(&pf->switch_mutex); 286 goto write_exit; 287 } 288 289 buflen = sizeof(struct i40e_veb); 290 if (i40e_dbg_prep_dump_buf(pf, buflen)) { 291 seid_found = true; 292 memcpy(i40e_dbg_dump_buf, veb, buflen); 293 i40e_dbg_dump_data_len = buflen; 294 dev_info(&pf->pdev->dev, 295 "VEB seid %ld dumped %d bytes\n", 296 seid, (int)i40e_dbg_dump_data_len); 297 } 298 mutex_unlock(&pf->switch_mutex); 299 } 300 301 write_exit: 302 if (!seid_found) 303 dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid); 304 305 return count; 306 } 307 308 static const struct file_operations i40e_dbg_dump_fops = { 309 .owner = THIS_MODULE, 310 .open = simple_open, 311 .read = i40e_dbg_dump_read, 312 .write = i40e_dbg_dump_write, 313 }; 314 315 /************************************************************** 316 * command 317 * The command entry in debugfs is for giving the driver commands 318 * to be executed - these may be for changing the internal switch 319 * setup, adding or removing filters, or other things. Many of 320 * these will be useful for some forms of unit testing. 321 **************************************************************/ 322 static char i40e_dbg_command_buf[256] = "hello world"; 323 324 /** 325 * i40e_dbg_command_read - read for command datum 326 * @filp: the opened file 327 * @buffer: where to write the data for the user to read 328 * @count: the size of the user's buffer 329 * @ppos: file position offset 330 **/ 331 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 332 size_t count, loff_t *ppos) 333 { 334 struct i40e_pf *pf = filp->private_data; 335 int bytes_not_copied; 336 int buf_size = 256; 337 char *buf; 338 int len; 339 340 /* don't allow partial reads */ 341 if (*ppos != 0) 342 return 0; 343 if (count < buf_size) 344 return -ENOSPC; 345 346 buf = kzalloc(buf_size, GFP_KERNEL); 347 if (!buf) 348 return -ENOSPC; 349 350 len = snprintf(buf, buf_size, "%s: %s\n", 351 pf->vsi[pf->lan_vsi]->netdev->name, 352 i40e_dbg_command_buf); 353 354 bytes_not_copied = copy_to_user(buffer, buf, len); 355 kfree(buf); 356 357 if (bytes_not_copied < 0) 358 return bytes_not_copied; 359 360 *ppos = len; 361 return len; 362 } 363 364 /** 365 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into pokem datum 366 * @pf: the i40e_pf created in command write 367 * @seid: the seid the user put in 368 **/ 369 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 370 { 371 struct rtnl_link_stats64 *nstat; 372 struct i40e_mac_filter *f; 373 struct i40e_vsi *vsi; 374 int i; 375 376 vsi = i40e_dbg_find_vsi(pf, seid); 377 if (!vsi) { 378 dev_info(&pf->pdev->dev, 379 "dump %d: seid not found\n", seid); 380 return; 381 } 382 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 383 if (vsi->netdev) 384 dev_info(&pf->pdev->dev, 385 " netdev: name = %s\n", 386 vsi->netdev->name); 387 if (vsi->active_vlans) 388 dev_info(&pf->pdev->dev, 389 " vlgrp: & = %p\n", vsi->active_vlans); 390 dev_info(&pf->pdev->dev, 391 " netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n", 392 vsi->netdev_registered, 393 vsi->current_netdev_flags, vsi->state, vsi->flags); 394 list_for_each_entry(f, &vsi->mac_filter_list, list) { 395 dev_info(&pf->pdev->dev, 396 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n", 397 f->macaddr, f->vlan, f->is_netdev, f->is_vf, 398 f->counter); 399 } 400 nstat = i40e_get_vsi_stats_struct(vsi); 401 dev_info(&pf->pdev->dev, 402 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 403 (long unsigned int)nstat->rx_packets, 404 (long unsigned int)nstat->rx_bytes, 405 (long unsigned int)nstat->rx_errors, 406 (long unsigned int)nstat->rx_dropped); 407 dev_info(&pf->pdev->dev, 408 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 409 (long unsigned int)nstat->tx_packets, 410 (long unsigned int)nstat->tx_bytes, 411 (long unsigned int)nstat->tx_errors, 412 (long unsigned int)nstat->tx_dropped); 413 dev_info(&pf->pdev->dev, 414 " net_stats: multicast = %lu, collisions = %lu\n", 415 (long unsigned int)nstat->multicast, 416 (long unsigned int)nstat->collisions); 417 dev_info(&pf->pdev->dev, 418 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 419 (long unsigned int)nstat->rx_length_errors, 420 (long unsigned int)nstat->rx_over_errors, 421 (long unsigned int)nstat->rx_crc_errors); 422 dev_info(&pf->pdev->dev, 423 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 424 (long unsigned int)nstat->rx_frame_errors, 425 (long unsigned int)nstat->rx_fifo_errors, 426 (long unsigned int)nstat->rx_missed_errors); 427 dev_info(&pf->pdev->dev, 428 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 429 (long unsigned int)nstat->tx_aborted_errors, 430 (long unsigned int)nstat->tx_carrier_errors, 431 (long unsigned int)nstat->tx_fifo_errors); 432 dev_info(&pf->pdev->dev, 433 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 434 (long unsigned int)nstat->tx_heartbeat_errors, 435 (long unsigned int)nstat->tx_window_errors); 436 dev_info(&pf->pdev->dev, 437 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 438 (long unsigned int)nstat->rx_compressed, 439 (long unsigned int)nstat->tx_compressed); 440 dev_info(&pf->pdev->dev, 441 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 442 (long unsigned int)vsi->net_stats_offsets.rx_packets, 443 (long unsigned int)vsi->net_stats_offsets.rx_bytes, 444 (long unsigned int)vsi->net_stats_offsets.rx_errors, 445 (long unsigned int)vsi->net_stats_offsets.rx_dropped); 446 dev_info(&pf->pdev->dev, 447 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 448 (long unsigned int)vsi->net_stats_offsets.tx_packets, 449 (long unsigned int)vsi->net_stats_offsets.tx_bytes, 450 (long unsigned int)vsi->net_stats_offsets.tx_errors, 451 (long unsigned int)vsi->net_stats_offsets.tx_dropped); 452 dev_info(&pf->pdev->dev, 453 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 454 (long unsigned int)vsi->net_stats_offsets.multicast, 455 (long unsigned int)vsi->net_stats_offsets.collisions); 456 dev_info(&pf->pdev->dev, 457 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 458 (long unsigned int)vsi->net_stats_offsets.rx_length_errors, 459 (long unsigned int)vsi->net_stats_offsets.rx_over_errors, 460 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors); 461 dev_info(&pf->pdev->dev, 462 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 463 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors, 464 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors, 465 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors); 466 dev_info(&pf->pdev->dev, 467 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 468 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors, 469 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors, 470 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors); 471 dev_info(&pf->pdev->dev, 472 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 473 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors, 474 (long unsigned int)vsi->net_stats_offsets.tx_window_errors); 475 dev_info(&pf->pdev->dev, 476 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 477 (long unsigned int)vsi->net_stats_offsets.rx_compressed, 478 (long unsigned int)vsi->net_stats_offsets.tx_compressed); 479 dev_info(&pf->pdev->dev, 480 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 481 vsi->tx_restart, vsi->tx_busy, 482 vsi->rx_buf_failed, vsi->rx_page_failed); 483 rcu_read_lock(); 484 for (i = 0; i < vsi->num_queue_pairs; i++) { 485 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]); 486 if (!rx_ring) 487 continue; 488 489 dev_info(&pf->pdev->dev, 490 " rx_rings[%i]: desc = %p\n", 491 i, rx_ring->desc); 492 dev_info(&pf->pdev->dev, 493 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", 494 i, rx_ring->dev, 495 rx_ring->netdev, 496 rx_ring->rx_bi); 497 dev_info(&pf->pdev->dev, 498 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 499 i, rx_ring->state, 500 rx_ring->queue_index, 501 rx_ring->reg_idx); 502 dev_info(&pf->pdev->dev, 503 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n", 504 i, rx_ring->rx_hdr_len, 505 rx_ring->rx_buf_len, 506 rx_ring->dtype); 507 dev_info(&pf->pdev->dev, 508 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 509 i, rx_ring->hsplit, 510 rx_ring->next_to_use, 511 rx_ring->next_to_clean, 512 rx_ring->ring_active); 513 dev_info(&pf->pdev->dev, 514 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 515 i, rx_ring->stats.packets, 516 rx_ring->stats.bytes, 517 rx_ring->rx_stats.non_eop_descs); 518 dev_info(&pf->pdev->dev, 519 " rx_rings[%i]: rx_stats: alloc_rx_page_failed = %lld, alloc_rx_buff_failed = %lld\n", 520 i, 521 rx_ring->rx_stats.alloc_rx_page_failed, 522 rx_ring->rx_stats.alloc_rx_buff_failed); 523 dev_info(&pf->pdev->dev, 524 " rx_rings[%i]: size = %i, dma = 0x%08lx\n", 525 i, rx_ring->size, 526 (long unsigned int)rx_ring->dma); 527 dev_info(&pf->pdev->dev, 528 " rx_rings[%i]: vsi = %p, q_vector = %p\n", 529 i, rx_ring->vsi, 530 rx_ring->q_vector); 531 } 532 for (i = 0; i < vsi->num_queue_pairs; i++) { 533 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); 534 if (!tx_ring) 535 continue; 536 dev_info(&pf->pdev->dev, 537 " tx_rings[%i]: desc = %p\n", 538 i, tx_ring->desc); 539 dev_info(&pf->pdev->dev, 540 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", 541 i, tx_ring->dev, 542 tx_ring->netdev, 543 tx_ring->tx_bi); 544 dev_info(&pf->pdev->dev, 545 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 546 i, tx_ring->state, 547 tx_ring->queue_index, 548 tx_ring->reg_idx); 549 dev_info(&pf->pdev->dev, 550 " tx_rings[%i]: dtype = %d\n", 551 i, tx_ring->dtype); 552 dev_info(&pf->pdev->dev, 553 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 554 i, tx_ring->hsplit, 555 tx_ring->next_to_use, 556 tx_ring->next_to_clean, 557 tx_ring->ring_active); 558 dev_info(&pf->pdev->dev, 559 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 560 i, tx_ring->stats.packets, 561 tx_ring->stats.bytes, 562 tx_ring->tx_stats.restart_queue); 563 dev_info(&pf->pdev->dev, 564 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 565 i, 566 tx_ring->tx_stats.tx_busy, 567 tx_ring->tx_stats.tx_done_old); 568 dev_info(&pf->pdev->dev, 569 " tx_rings[%i]: size = %i, dma = 0x%08lx\n", 570 i, tx_ring->size, 571 (long unsigned int)tx_ring->dma); 572 dev_info(&pf->pdev->dev, 573 " tx_rings[%i]: vsi = %p, q_vector = %p\n", 574 i, tx_ring->vsi, 575 tx_ring->q_vector); 576 dev_info(&pf->pdev->dev, 577 " tx_rings[%i]: DCB tc = %d\n", 578 i, tx_ring->dcb_tc); 579 } 580 rcu_read_unlock(); 581 dev_info(&pf->pdev->dev, 582 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n", 583 vsi->work_limit, vsi->rx_itr_setting, 584 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed", 585 vsi->tx_itr_setting, 586 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed"); 587 dev_info(&pf->pdev->dev, 588 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n", 589 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype); 590 dev_info(&pf->pdev->dev, 591 " num_q_vectors = %i, base_vector = %i\n", 592 vsi->num_q_vectors, vsi->base_vector); 593 dev_info(&pf->pdev->dev, 594 " seid = %d, id = %d, uplink_seid = %d\n", 595 vsi->seid, vsi->id, vsi->uplink_seid); 596 dev_info(&pf->pdev->dev, 597 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n", 598 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc); 599 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 600 dev_info(&pf->pdev->dev, 601 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 602 vsi->info.valid_sections, vsi->info.switch_id); 603 dev_info(&pf->pdev->dev, 604 " info: sw_reserved[] = 0x%02x 0x%02x\n", 605 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 606 dev_info(&pf->pdev->dev, 607 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 608 vsi->info.sec_flags, vsi->info.sec_reserved); 609 dev_info(&pf->pdev->dev, 610 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 611 vsi->info.pvid, vsi->info.fcoe_pvid, 612 vsi->info.port_vlan_flags); 613 dev_info(&pf->pdev->dev, 614 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 615 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 616 vsi->info.pvlan_reserved[2]); 617 dev_info(&pf->pdev->dev, 618 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 619 vsi->info.ingress_table, vsi->info.egress_table); 620 dev_info(&pf->pdev->dev, 621 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 622 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 623 vsi->info.cas_pv_reserved); 624 dev_info(&pf->pdev->dev, 625 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 626 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 627 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 628 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 629 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 630 dev_info(&pf->pdev->dev, 631 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 632 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 633 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 634 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 635 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 636 dev_info(&pf->pdev->dev, 637 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 638 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 639 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 640 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 641 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 642 dev_info(&pf->pdev->dev, 643 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 644 vsi->info.queueing_opt_flags, 645 vsi->info.queueing_opt_reserved[0], 646 vsi->info.queueing_opt_reserved[1], 647 vsi->info.queueing_opt_reserved[2]); 648 dev_info(&pf->pdev->dev, 649 " info: up_enable_bits = 0x%02x\n", 650 vsi->info.up_enable_bits); 651 dev_info(&pf->pdev->dev, 652 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 653 vsi->info.sched_reserved, vsi->info.outer_up_table); 654 dev_info(&pf->pdev->dev, 655 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 656 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 657 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 658 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 659 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 660 dev_info(&pf->pdev->dev, 661 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 662 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 663 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 664 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 665 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 666 dev_info(&pf->pdev->dev, 667 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 668 vsi->info.stat_counter_idx, vsi->info.sched_id); 669 dev_info(&pf->pdev->dev, 670 " info: resp_reserved[] = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x\n", 671 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 672 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 673 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 674 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 675 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 676 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 677 if (vsi->back) 678 dev_info(&pf->pdev->dev, " pf = %p\n", vsi->back); 679 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 680 dev_info(&pf->pdev->dev, 681 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 682 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 683 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 684 dev_info(&pf->pdev->dev, 685 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 686 i, vsi->tc_config.tc_info[i].qoffset, 687 vsi->tc_config.tc_info[i].qcount, 688 vsi->tc_config.tc_info[i].netdev_tc); 689 } 690 dev_info(&pf->pdev->dev, 691 " bw: bw_limit = %d, bw_max_quanta = %d\n", 692 vsi->bw_limit, vsi->bw_max_quanta); 693 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 694 dev_info(&pf->pdev->dev, 695 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 696 i, vsi->bw_ets_share_credits[i], 697 vsi->bw_ets_limit_credits[i], 698 vsi->bw_ets_max_quanta[i]); 699 } 700 } 701 702 /** 703 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 704 * @pf: the i40e_pf created in command write 705 **/ 706 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 707 { 708 struct i40e_adminq_ring *ring; 709 struct i40e_hw *hw = &pf->hw; 710 int i; 711 712 /* first the send (command) ring, then the receive (event) ring */ 713 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 714 ring = &(hw->aq.asq); 715 for (i = 0; i < ring->count; i++) { 716 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 717 dev_info(&pf->pdev->dev, 718 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 719 i, d->flags, d->opcode, d->datalen, d->retval, 720 d->cookie_high, d->cookie_low); 721 dev_info(&pf->pdev->dev, 722 " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", 723 d->params.raw[0], d->params.raw[1], d->params.raw[2], 724 d->params.raw[3], d->params.raw[4], d->params.raw[5], 725 d->params.raw[6], d->params.raw[7], d->params.raw[8], 726 d->params.raw[9], d->params.raw[10], d->params.raw[11], 727 d->params.raw[12], d->params.raw[13], 728 d->params.raw[14], d->params.raw[15]); 729 } 730 731 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 732 ring = &(hw->aq.arq); 733 for (i = 0; i < ring->count; i++) { 734 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 735 dev_info(&pf->pdev->dev, 736 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 737 i, d->flags, d->opcode, d->datalen, d->retval, 738 d->cookie_high, d->cookie_low); 739 dev_info(&pf->pdev->dev, 740 " %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", 741 d->params.raw[0], d->params.raw[1], d->params.raw[2], 742 d->params.raw[3], d->params.raw[4], d->params.raw[5], 743 d->params.raw[6], d->params.raw[7], d->params.raw[8], 744 d->params.raw[9], d->params.raw[10], d->params.raw[11], 745 d->params.raw[12], d->params.raw[13], 746 d->params.raw[14], d->params.raw[15]); 747 } 748 } 749 750 /** 751 * i40e_dbg_dump_desc - handles dump desc write into command datum 752 * @cnt: number of arguments that the user supplied 753 * @vsi_seid: vsi id entered by user 754 * @ring_id: ring id entered by user 755 * @desc_n: descriptor number entered by user 756 * @pf: the i40e_pf created in command write 757 * @is_rx_ring: true if rx, false if tx 758 **/ 759 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 760 struct i40e_pf *pf, bool is_rx_ring) 761 { 762 union i40e_rx_desc *ds; 763 struct i40e_ring ring; 764 struct i40e_vsi *vsi; 765 int i; 766 767 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 768 if (!vsi) { 769 dev_info(&pf->pdev->dev, 770 "vsi %d not found\n", vsi_seid); 771 if (is_rx_ring) 772 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 773 else 774 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 775 return; 776 } 777 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 778 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 779 if (is_rx_ring) 780 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 781 else 782 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 783 return; 784 } 785 if (is_rx_ring) 786 ring = *vsi->rx_rings[ring_id]; 787 else 788 ring = *vsi->tx_rings[ring_id]; 789 if (cnt == 2) { 790 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 791 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 792 for (i = 0; i < ring.count; i++) { 793 if (is_rx_ring) 794 ds = I40E_RX_DESC(&ring, i); 795 else 796 ds = (union i40e_rx_desc *) 797 I40E_TX_DESC(&ring, i); 798 if ((sizeof(union i40e_rx_desc) == 799 sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring)) 800 dev_info(&pf->pdev->dev, 801 " d[%03i] = 0x%016llx 0x%016llx\n", i, 802 ds->read.pkt_addr, ds->read.hdr_addr); 803 else 804 dev_info(&pf->pdev->dev, 805 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 806 i, ds->read.pkt_addr, 807 ds->read.hdr_addr, 808 ds->read.rsvd1, ds->read.rsvd2); 809 } 810 } else if (cnt == 3) { 811 if (desc_n >= ring.count || desc_n < 0) { 812 dev_info(&pf->pdev->dev, 813 "descriptor %d not found\n", desc_n); 814 return; 815 } 816 if (is_rx_ring) 817 ds = I40E_RX_DESC(&ring, desc_n); 818 else 819 ds = (union i40e_rx_desc *)I40E_TX_DESC(&ring, desc_n); 820 if ((sizeof(union i40e_rx_desc) == 821 sizeof(union i40e_16byte_rx_desc)) || (!is_rx_ring)) 822 dev_info(&pf->pdev->dev, 823 "vsi = %02i %s ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", 824 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id, 825 desc_n, ds->read.pkt_addr, ds->read.hdr_addr); 826 else 827 dev_info(&pf->pdev->dev, 828 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 829 vsi_seid, ring_id, 830 desc_n, ds->read.pkt_addr, ds->read.hdr_addr, 831 ds->read.rsvd1, ds->read.rsvd2); 832 } else { 833 if (is_rx_ring) 834 dev_info(&pf->pdev->dev, "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 835 else 836 dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 837 } 838 } 839 840 /** 841 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 842 * @pf: the i40e_pf created in command write 843 **/ 844 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 845 { 846 int i; 847 848 for (i = 0; i < pf->hw.func_caps.num_vsis; i++) 849 if (pf->vsi[i]) 850 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 851 i, pf->vsi[i]->seid); 852 } 853 854 /** 855 * i40e_dbg_dump_stats - handles dump stats write into command datum 856 * @pf: the i40e_pf created in command write 857 * @estats: the eth stats structure to be dumped 858 **/ 859 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 860 struct i40e_eth_stats *estats) 861 { 862 dev_info(&pf->pdev->dev, " ethstats:\n"); 863 dev_info(&pf->pdev->dev, 864 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 865 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 866 dev_info(&pf->pdev->dev, 867 " rx_broadcast = \t%lld \trx_discards = \t\t%lld \trx_errors = \t%lld\n", 868 estats->rx_broadcast, estats->rx_discards, estats->rx_errors); 869 dev_info(&pf->pdev->dev, 870 " rx_missed = \t%lld \trx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 871 estats->rx_missed, estats->rx_unknown_protocol, 872 estats->tx_bytes); 873 dev_info(&pf->pdev->dev, 874 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 875 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 876 dev_info(&pf->pdev->dev, 877 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 878 estats->tx_discards, estats->tx_errors); 879 } 880 881 /** 882 * i40e_dbg_dump_stats - handles dump stats write into command datum 883 * @pf: the i40e_pf created in command write 884 * @stats: the stats structure to be dumped 885 **/ 886 static void i40e_dbg_dump_stats(struct i40e_pf *pf, 887 struct i40e_hw_port_stats *stats) 888 { 889 int i; 890 891 dev_info(&pf->pdev->dev, " stats:\n"); 892 dev_info(&pf->pdev->dev, 893 " crc_errors = \t\t%lld \tillegal_bytes = \t%lld \terror_bytes = \t\t%lld\n", 894 stats->crc_errors, stats->illegal_bytes, stats->error_bytes); 895 dev_info(&pf->pdev->dev, 896 " mac_local_faults = \t%lld \tmac_remote_faults = \t%lld \trx_length_errors = \t%lld\n", 897 stats->mac_local_faults, stats->mac_remote_faults, 898 stats->rx_length_errors); 899 dev_info(&pf->pdev->dev, 900 " link_xon_rx = \t\t%lld \tlink_xoff_rx = \t\t%lld \tlink_xon_tx = \t\t%lld\n", 901 stats->link_xon_rx, stats->link_xoff_rx, stats->link_xon_tx); 902 dev_info(&pf->pdev->dev, 903 " link_xoff_tx = \t\t%lld \trx_size_64 = \t\t%lld \trx_size_127 = \t\t%lld\n", 904 stats->link_xoff_tx, stats->rx_size_64, stats->rx_size_127); 905 dev_info(&pf->pdev->dev, 906 " rx_size_255 = \t\t%lld \trx_size_511 = \t\t%lld \trx_size_1023 = \t\t%lld\n", 907 stats->rx_size_255, stats->rx_size_511, stats->rx_size_1023); 908 dev_info(&pf->pdev->dev, 909 " rx_size_big = \t\t%lld \trx_undersize = \t\t%lld \trx_jabber = \t\t%lld\n", 910 stats->rx_size_big, stats->rx_undersize, stats->rx_jabber); 911 dev_info(&pf->pdev->dev, 912 " rx_fragments = \t\t%lld \trx_oversize = \t\t%lld \ttx_size_64 = \t\t%lld\n", 913 stats->rx_fragments, stats->rx_oversize, stats->tx_size_64); 914 dev_info(&pf->pdev->dev, 915 " tx_size_127 = \t\t%lld \ttx_size_255 = \t\t%lld \ttx_size_511 = \t\t%lld\n", 916 stats->tx_size_127, stats->tx_size_255, stats->tx_size_511); 917 dev_info(&pf->pdev->dev, 918 " tx_size_1023 = \t\t%lld \ttx_size_big = \t\t%lld \tmac_short_packet_dropped = \t%lld\n", 919 stats->tx_size_1023, stats->tx_size_big, 920 stats->mac_short_packet_dropped); 921 for (i = 0; i < 8; i += 4) { 922 dev_info(&pf->pdev->dev, 923 " priority_xon_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n", 924 i, stats->priority_xon_rx[i], 925 i+1, stats->priority_xon_rx[i+1], 926 i+2, stats->priority_xon_rx[i+2], 927 i+3, stats->priority_xon_rx[i+3]); 928 } 929 for (i = 0; i < 8; i += 4) { 930 dev_info(&pf->pdev->dev, 931 " priority_xoff_rx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n", 932 i, stats->priority_xoff_rx[i], 933 i+1, stats->priority_xoff_rx[i+1], 934 i+2, stats->priority_xoff_rx[i+2], 935 i+3, stats->priority_xoff_rx[i+3]); 936 } 937 for (i = 0; i < 8; i += 4) { 938 dev_info(&pf->pdev->dev, 939 " priority_xon_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n", 940 i, stats->priority_xon_tx[i], 941 i+1, stats->priority_xon_tx[i+1], 942 i+2, stats->priority_xon_tx[i+2], 943 i+3, stats->priority_xon_rx[i+3]); 944 } 945 for (i = 0; i < 8; i += 4) { 946 dev_info(&pf->pdev->dev, 947 " priority_xoff_tx[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n", 948 i, stats->priority_xoff_tx[i], 949 i+1, stats->priority_xoff_tx[i+1], 950 i+2, stats->priority_xoff_tx[i+2], 951 i+3, stats->priority_xoff_tx[i+3]); 952 } 953 for (i = 0; i < 8; i += 4) { 954 dev_info(&pf->pdev->dev, 955 " priority_xon_2_xoff[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld \t[%d] = \t%lld\n", 956 i, stats->priority_xon_2_xoff[i], 957 i+1, stats->priority_xon_2_xoff[i+1], 958 i+2, stats->priority_xon_2_xoff[i+2], 959 i+3, stats->priority_xon_2_xoff[i+3]); 960 } 961 962 i40e_dbg_dump_eth_stats(pf, &stats->eth); 963 } 964 965 /** 966 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 967 * @pf: the i40e_pf created in command write 968 * @seid: the seid the user put in 969 **/ 970 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 971 { 972 struct i40e_veb *veb; 973 974 if ((seid < I40E_BASE_VEB_SEID) || 975 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) { 976 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 977 return; 978 } 979 980 veb = i40e_dbg_find_veb(pf, seid); 981 if (!veb) { 982 dev_info(&pf->pdev->dev, 983 "%d: can't find veb\n", seid); 984 return; 985 } 986 dev_info(&pf->pdev->dev, 987 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n", 988 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 989 veb->uplink_seid); 990 i40e_dbg_dump_eth_stats(pf, &veb->stats); 991 } 992 993 /** 994 * i40e_dbg_dump_veb_all - dumps all known veb's stats 995 * @pf: the i40e_pf created in command write 996 **/ 997 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 998 { 999 struct i40e_veb *veb; 1000 int i; 1001 1002 for (i = 0; i < I40E_MAX_VEB; i++) { 1003 veb = pf->veb[i]; 1004 if (veb) 1005 i40e_dbg_dump_veb_seid(pf, veb->seid); 1006 } 1007 } 1008 1009 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 1010 /** 1011 * i40e_dbg_command_write - write into command datum 1012 * @filp: the opened file 1013 * @buffer: where to find the user's data 1014 * @count: the length of the user's data 1015 * @ppos: file position offset 1016 **/ 1017 static ssize_t i40e_dbg_command_write(struct file *filp, 1018 const char __user *buffer, 1019 size_t count, loff_t *ppos) 1020 { 1021 struct i40e_pf *pf = filp->private_data; 1022 char *cmd_buf, *cmd_buf_tmp; 1023 int bytes_not_copied; 1024 struct i40e_vsi *vsi; 1025 u8 *print_buf_start; 1026 u8 *print_buf; 1027 int vsi_seid; 1028 int veb_seid; 1029 int cnt; 1030 1031 /* don't allow partial writes */ 1032 if (*ppos != 0) 1033 return 0; 1034 1035 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 1036 if (!cmd_buf) 1037 return count; 1038 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 1039 if (bytes_not_copied < 0) 1040 return bytes_not_copied; 1041 if (bytes_not_copied > 0) 1042 count -= bytes_not_copied; 1043 cmd_buf[count] = '\0'; 1044 1045 cmd_buf_tmp = strchr(cmd_buf, '\n'); 1046 if (cmd_buf_tmp) { 1047 *cmd_buf_tmp = '\0'; 1048 count = cmd_buf_tmp - cmd_buf + 1; 1049 } 1050 1051 print_buf_start = kzalloc(I40E_MAX_DEBUG_OUT_BUFFER, GFP_KERNEL); 1052 if (!print_buf_start) 1053 goto command_write_done; 1054 print_buf = print_buf_start; 1055 1056 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 1057 vsi_seid = -1; 1058 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 1059 if (cnt == 0) { 1060 /* default to PF VSI */ 1061 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 1062 } else if (vsi_seid < 0) { 1063 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 1064 vsi_seid); 1065 goto command_write_done; 1066 } 1067 1068 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 1069 if (vsi) 1070 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 1071 vsi->seid, vsi->uplink_seid); 1072 else 1073 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 1074 1075 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 1076 sscanf(&cmd_buf[7], "%i", &vsi_seid); 1077 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1078 if (!vsi) { 1079 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 1080 vsi_seid); 1081 goto command_write_done; 1082 } 1083 1084 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 1085 i40e_vsi_release(vsi); 1086 1087 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 1088 struct i40e_veb *veb; 1089 int uplink_seid, i; 1090 1091 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 1092 if (cnt != 2) { 1093 dev_info(&pf->pdev->dev, 1094 "add relay: bad command string, cnt=%d\n", 1095 cnt); 1096 goto command_write_done; 1097 } else if (uplink_seid < 0) { 1098 dev_info(&pf->pdev->dev, 1099 "add relay %d: bad uplink seid\n", 1100 uplink_seid); 1101 goto command_write_done; 1102 } 1103 1104 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1105 if (!vsi) { 1106 dev_info(&pf->pdev->dev, 1107 "add relay: vsi VSI %d not found\n", vsi_seid); 1108 goto command_write_done; 1109 } 1110 1111 for (i = 0; i < I40E_MAX_VEB; i++) 1112 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 1113 break; 1114 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 1115 uplink_seid != pf->mac_seid) { 1116 dev_info(&pf->pdev->dev, 1117 "add relay: relay uplink %d not found\n", 1118 uplink_seid); 1119 goto command_write_done; 1120 } 1121 1122 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 1123 vsi->tc_config.enabled_tc); 1124 if (veb) 1125 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 1126 else 1127 dev_info(&pf->pdev->dev, "add relay failed\n"); 1128 1129 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 1130 int i; 1131 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 1132 if (cnt != 1) { 1133 dev_info(&pf->pdev->dev, 1134 "del relay: bad command string, cnt=%d\n", 1135 cnt); 1136 goto command_write_done; 1137 } else if (veb_seid < 0) { 1138 dev_info(&pf->pdev->dev, 1139 "del relay %d: bad relay seid\n", veb_seid); 1140 goto command_write_done; 1141 } 1142 1143 /* find the veb */ 1144 for (i = 0; i < I40E_MAX_VEB; i++) 1145 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 1146 break; 1147 if (i >= I40E_MAX_VEB) { 1148 dev_info(&pf->pdev->dev, 1149 "del relay: relay %d not found\n", veb_seid); 1150 goto command_write_done; 1151 } 1152 1153 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 1154 i40e_veb_release(pf->veb[i]); 1155 1156 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { 1157 struct i40e_mac_filter *f; 1158 int vlan = 0; 1159 u8 ma[6]; 1160 int ret; 1161 1162 cnt = sscanf(&cmd_buf[11], 1163 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1164 &vsi_seid, 1165 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1166 &vlan); 1167 if (cnt == 7) { 1168 vlan = 0; 1169 } else if (cnt != 8) { 1170 dev_info(&pf->pdev->dev, 1171 "add macaddr: bad command string, cnt=%d\n", 1172 cnt); 1173 goto command_write_done; 1174 } 1175 1176 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1177 if (!vsi) { 1178 dev_info(&pf->pdev->dev, 1179 "add macaddr: VSI %d not found\n", vsi_seid); 1180 goto command_write_done; 1181 } 1182 1183 f = i40e_add_filter(vsi, ma, vlan, false, false); 1184 ret = i40e_sync_vsi_filters(vsi); 1185 if (f && !ret) 1186 dev_info(&pf->pdev->dev, 1187 "add macaddr: %pM vlan=%d added to VSI %d\n", 1188 ma, vlan, vsi_seid); 1189 else 1190 dev_info(&pf->pdev->dev, 1191 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", 1192 ma, vlan, vsi_seid, f, ret); 1193 1194 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { 1195 int vlan = 0; 1196 u8 ma[6]; 1197 int ret; 1198 1199 cnt = sscanf(&cmd_buf[11], 1200 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1201 &vsi_seid, 1202 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1203 &vlan); 1204 if (cnt == 7) { 1205 vlan = 0; 1206 } else if (cnt != 8) { 1207 dev_info(&pf->pdev->dev, 1208 "del macaddr: bad command string, cnt=%d\n", 1209 cnt); 1210 goto command_write_done; 1211 } 1212 1213 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1214 if (!vsi) { 1215 dev_info(&pf->pdev->dev, 1216 "del macaddr: VSI %d not found\n", vsi_seid); 1217 goto command_write_done; 1218 } 1219 1220 i40e_del_filter(vsi, ma, vlan, false, false); 1221 ret = i40e_sync_vsi_filters(vsi); 1222 if (!ret) 1223 dev_info(&pf->pdev->dev, 1224 "del macaddr: %pM vlan=%d removed from VSI %d\n", 1225 ma, vlan, vsi_seid); 1226 else 1227 dev_info(&pf->pdev->dev, 1228 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", 1229 ma, vlan, vsi_seid, ret); 1230 1231 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 1232 i40e_status ret; 1233 u16 vid; 1234 int v; 1235 1236 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 1237 if (cnt != 2) { 1238 dev_info(&pf->pdev->dev, 1239 "add pvid: bad command string, cnt=%d\n", cnt); 1240 goto command_write_done; 1241 } 1242 1243 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1244 if (!vsi) { 1245 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 1246 vsi_seid); 1247 goto command_write_done; 1248 } 1249 1250 vid = (unsigned)v; 1251 ret = i40e_vsi_add_pvid(vsi, vid); 1252 if (!ret) 1253 dev_info(&pf->pdev->dev, 1254 "add pvid: %d added to VSI %d\n", 1255 vid, vsi_seid); 1256 else 1257 dev_info(&pf->pdev->dev, 1258 "add pvid: %d to VSI %d failed, ret=%d\n", 1259 vid, vsi_seid, ret); 1260 1261 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 1262 1263 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1264 if (cnt != 1) { 1265 dev_info(&pf->pdev->dev, 1266 "del pvid: bad command string, cnt=%d\n", 1267 cnt); 1268 goto command_write_done; 1269 } 1270 1271 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1272 if (!vsi) { 1273 dev_info(&pf->pdev->dev, 1274 "del pvid: VSI %d not found\n", vsi_seid); 1275 goto command_write_done; 1276 } 1277 1278 i40e_vsi_remove_pvid(vsi); 1279 dev_info(&pf->pdev->dev, 1280 "del pvid: removed from VSI %d\n", vsi_seid); 1281 1282 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 1283 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 1284 i40e_fetch_switch_configuration(pf, true); 1285 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 1286 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1287 if (cnt > 0) 1288 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 1289 else 1290 i40e_dbg_dump_vsi_no_seid(pf); 1291 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 1292 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1293 if (cnt > 0) 1294 i40e_dbg_dump_veb_seid(pf, vsi_seid); 1295 else 1296 i40e_dbg_dump_veb_all(pf); 1297 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 1298 int ring_id, desc_n; 1299 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 1300 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1301 &vsi_seid, &ring_id, &desc_n); 1302 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1303 desc_n, pf, true); 1304 } else if (strncmp(&cmd_buf[10], "tx", 2) 1305 == 0) { 1306 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1307 &vsi_seid, &ring_id, &desc_n); 1308 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1309 desc_n, pf, false); 1310 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1311 i40e_dbg_dump_aq_desc(pf); 1312 } else { 1313 dev_info(&pf->pdev->dev, 1314 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1315 dev_info(&pf->pdev->dev, 1316 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1317 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1318 } 1319 } else if (strncmp(&cmd_buf[5], "stats", 5) == 0) { 1320 dev_info(&pf->pdev->dev, "pf stats:\n"); 1321 i40e_dbg_dump_stats(pf, &pf->stats); 1322 dev_info(&pf->pdev->dev, "pf stats_offsets:\n"); 1323 i40e_dbg_dump_stats(pf, &pf->stats_offsets); 1324 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1325 dev_info(&pf->pdev->dev, 1326 "core reset count: %d\n", pf->corer_count); 1327 dev_info(&pf->pdev->dev, 1328 "global reset count: %d\n", pf->globr_count); 1329 dev_info(&pf->pdev->dev, 1330 "emp reset count: %d\n", pf->empr_count); 1331 dev_info(&pf->pdev->dev, 1332 "pf reset count: %d\n", pf->pfr_count); 1333 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1334 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1335 struct i40e_dcbx_config *cfg = 1336 &pf->hw.local_dcbx_config; 1337 struct i40e_dcbx_config *r_cfg = 1338 &pf->hw.remote_dcbx_config; 1339 int i, ret; 1340 1341 bw_data = kzalloc(sizeof( 1342 struct i40e_aqc_query_port_ets_config_resp), 1343 GFP_KERNEL); 1344 if (!bw_data) { 1345 ret = -ENOMEM; 1346 goto command_write_done; 1347 } 1348 1349 ret = i40e_aq_query_port_ets_config(&pf->hw, 1350 pf->mac_seid, 1351 bw_data, NULL); 1352 if (ret) { 1353 dev_info(&pf->pdev->dev, 1354 "Query Port ETS Config AQ command failed =0x%x\n", 1355 pf->hw.aq.asq_last_status); 1356 kfree(bw_data); 1357 bw_data = NULL; 1358 goto command_write_done; 1359 } 1360 dev_info(&pf->pdev->dev, 1361 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1362 bw_data->tc_valid_bits, 1363 bw_data->tc_strict_priority_bits, 1364 le16_to_cpu(bw_data->tc_bw_max[0]), 1365 le16_to_cpu(bw_data->tc_bw_max[1])); 1366 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1367 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1368 bw_data->tc_bw_share_credits[i], 1369 le16_to_cpu(bw_data->tc_bw_limits[i])); 1370 } 1371 1372 kfree(bw_data); 1373 bw_data = NULL; 1374 1375 dev_info(&pf->pdev->dev, 1376 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1377 cfg->etscfg.willing, cfg->etscfg.cbs, 1378 cfg->etscfg.maxtcs); 1379 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1380 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1381 i, cfg->etscfg.prioritytable[i], 1382 cfg->etscfg.tcbwtable[i], 1383 cfg->etscfg.tsatable[i]); 1384 } 1385 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1386 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1387 i, cfg->etsrec.prioritytable[i], 1388 cfg->etsrec.tcbwtable[i], 1389 cfg->etsrec.tsatable[i]); 1390 } 1391 dev_info(&pf->pdev->dev, 1392 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1393 cfg->pfc.willing, cfg->pfc.mbc, 1394 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1395 dev_info(&pf->pdev->dev, 1396 "port app_table: num_apps=%d\n", cfg->numapps); 1397 for (i = 0; i < cfg->numapps; i++) { 1398 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1399 i, cfg->app[i].priority, 1400 cfg->app[i].selector, 1401 cfg->app[i].protocolid); 1402 } 1403 /* Peer TLV DCBX data */ 1404 dev_info(&pf->pdev->dev, 1405 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1406 r_cfg->etscfg.willing, 1407 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1408 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1409 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1410 i, r_cfg->etscfg.prioritytable[i], 1411 r_cfg->etscfg.tcbwtable[i], 1412 r_cfg->etscfg.tsatable[i]); 1413 } 1414 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1415 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1416 i, r_cfg->etsrec.prioritytable[i], 1417 r_cfg->etsrec.tcbwtable[i], 1418 r_cfg->etsrec.tsatable[i]); 1419 } 1420 dev_info(&pf->pdev->dev, 1421 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1422 r_cfg->pfc.willing, 1423 r_cfg->pfc.mbc, 1424 r_cfg->pfc.pfccap, 1425 r_cfg->pfc.pfcenable); 1426 dev_info(&pf->pdev->dev, 1427 "remote port app_table: num_apps=%d\n", 1428 r_cfg->numapps); 1429 for (i = 0; i < r_cfg->numapps; i++) { 1430 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1431 i, r_cfg->app[i].priority, 1432 r_cfg->app[i].selector, 1433 r_cfg->app[i].protocolid); 1434 } 1435 } else { 1436 dev_info(&pf->pdev->dev, 1437 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1438 dev_info(&pf->pdev->dev, "dump switch, dump vsi [seid] or\n"); 1439 dev_info(&pf->pdev->dev, "dump stats\n"); 1440 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1441 dev_info(&pf->pdev->dev, "dump port\n"); 1442 dev_info(&pf->pdev->dev, 1443 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1444 } 1445 1446 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1447 u32 level; 1448 cnt = sscanf(&cmd_buf[10], "%i", &level); 1449 if (cnt) { 1450 if (I40E_DEBUG_USER & level) { 1451 pf->hw.debug_mask = level; 1452 dev_info(&pf->pdev->dev, 1453 "set hw.debug_mask = 0x%08x\n", 1454 pf->hw.debug_mask); 1455 } 1456 pf->msg_enable = level; 1457 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1458 pf->msg_enable); 1459 } else { 1460 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1461 pf->msg_enable); 1462 } 1463 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1464 dev_info(&pf->pdev->dev, "forcing PFR\n"); 1465 i40e_do_reset(pf, (1 << __I40E_PF_RESET_REQUESTED)); 1466 1467 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1468 dev_info(&pf->pdev->dev, "forcing CoreR\n"); 1469 i40e_do_reset(pf, (1 << __I40E_CORE_RESET_REQUESTED)); 1470 1471 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1472 dev_info(&pf->pdev->dev, "forcing GlobR\n"); 1473 i40e_do_reset(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED)); 1474 1475 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1476 u32 address; 1477 u32 value; 1478 cnt = sscanf(&cmd_buf[4], "%x", &address); 1479 if (cnt != 1) { 1480 dev_info(&pf->pdev->dev, "read <reg>\n"); 1481 goto command_write_done; 1482 } 1483 1484 /* check the range on address */ 1485 if (address >= I40E_MAX_REGISTER) { 1486 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n", 1487 address); 1488 goto command_write_done; 1489 } 1490 1491 value = rd32(&pf->hw, address); 1492 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1493 address, value); 1494 1495 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1496 u32 address, value; 1497 cnt = sscanf(&cmd_buf[5], "%x %x", &address, &value); 1498 if (cnt != 2) { 1499 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1500 goto command_write_done; 1501 } 1502 1503 /* check the range on address */ 1504 if (address >= I40E_MAX_REGISTER) { 1505 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n", 1506 address); 1507 goto command_write_done; 1508 } 1509 wr32(&pf->hw, address, value); 1510 value = rd32(&pf->hw, address); 1511 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1512 address, value); 1513 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1514 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1515 cnt = sscanf(&cmd_buf[15], "%d", &vsi_seid); 1516 if (cnt == 0) { 1517 int i; 1518 for (i = 0; i < pf->hw.func_caps.num_vsis; i++) 1519 i40e_vsi_reset_stats(pf->vsi[i]); 1520 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1521 } else if (cnt == 1) { 1522 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1523 if (!vsi) { 1524 dev_info(&pf->pdev->dev, 1525 "clear_stats vsi: bad vsi %d\n", 1526 vsi_seid); 1527 goto command_write_done; 1528 } 1529 i40e_vsi_reset_stats(vsi); 1530 dev_info(&pf->pdev->dev, 1531 "vsi clear stats called for vsi %d\n", 1532 vsi_seid); 1533 } else { 1534 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1535 } 1536 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) { 1537 i40e_pf_reset_stats(pf); 1538 dev_info(&pf->pdev->dev, "pf clear stats called\n"); 1539 } else { 1540 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n"); 1541 } 1542 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || 1543 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { 1544 struct i40e_fdir_data fd_data; 1545 u16 packet_len, i, j = 0; 1546 char *asc_packet; 1547 bool add = false; 1548 int ret; 1549 1550 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP, 1551 GFP_KERNEL); 1552 if (!asc_packet) 1553 goto command_write_done; 1554 1555 fd_data.raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_LOOKUP, 1556 GFP_KERNEL); 1557 1558 if (!fd_data.raw_packet) { 1559 kfree(asc_packet); 1560 asc_packet = NULL; 1561 goto command_write_done; 1562 } 1563 1564 if (strncmp(cmd_buf, "add", 3) == 0) 1565 add = true; 1566 cnt = sscanf(&cmd_buf[13], 1567 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %512s", 1568 &fd_data.q_index, 1569 &fd_data.flex_off, &fd_data.pctype, 1570 &fd_data.dest_vsi, &fd_data.dest_ctl, 1571 &fd_data.fd_status, &fd_data.cnt_index, 1572 &fd_data.fd_id, &packet_len, asc_packet); 1573 if (cnt != 10) { 1574 dev_info(&pf->pdev->dev, 1575 "program fd_filter: bad command string, cnt=%d\n", 1576 cnt); 1577 kfree(asc_packet); 1578 asc_packet = NULL; 1579 kfree(fd_data.raw_packet); 1580 goto command_write_done; 1581 } 1582 1583 /* fix packet length if user entered 0 */ 1584 if (packet_len == 0) 1585 packet_len = I40E_FDIR_MAX_RAW_PACKET_LOOKUP; 1586 1587 /* make sure to check the max as well */ 1588 packet_len = min_t(u16, 1589 packet_len, I40E_FDIR_MAX_RAW_PACKET_LOOKUP); 1590 1591 dev_info(&pf->pdev->dev, "FD raw packet:\n"); 1592 for (i = 0; i < packet_len; i++) { 1593 sscanf(&asc_packet[j], "%2hhx ", 1594 &fd_data.raw_packet[i]); 1595 j += 3; 1596 snprintf(print_buf, 3, "%02x ", fd_data.raw_packet[i]); 1597 print_buf += 3; 1598 if ((i % 16) == 15) { 1599 snprintf(print_buf, 1, "\n"); 1600 print_buf++; 1601 } 1602 } 1603 dev_info(&pf->pdev->dev, "%s\n", print_buf_start); 1604 ret = i40e_program_fdir_filter(&fd_data, pf, add); 1605 if (!ret) { 1606 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); 1607 } else { 1608 dev_info(&pf->pdev->dev, 1609 "Filter command send failed %d\n", ret); 1610 } 1611 kfree(fd_data.raw_packet); 1612 fd_data.raw_packet = NULL; 1613 kfree(asc_packet); 1614 asc_packet = NULL; 1615 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1616 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1617 int ret; 1618 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1619 if (ret) { 1620 dev_info(&pf->pdev->dev, 1621 "Stop LLDP AQ command failed =0x%x\n", 1622 pf->hw.aq.asq_last_status); 1623 goto command_write_done; 1624 } 1625 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1626 int ret; 1627 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1628 if (ret) { 1629 dev_info(&pf->pdev->dev, 1630 "Start LLDP AQ command failed =0x%x\n", 1631 pf->hw.aq.asq_last_status); 1632 goto command_write_done; 1633 } 1634 } else if (strncmp(&cmd_buf[5], 1635 "get local", 9) == 0) { 1636 u16 llen, rlen; 1637 int ret, i; 1638 u8 *buff; 1639 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1640 if (!buff) 1641 goto command_write_done; 1642 1643 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1644 I40E_AQ_LLDP_MIB_LOCAL, 1645 buff, I40E_LLDPDU_SIZE, 1646 &llen, &rlen, NULL); 1647 if (ret) { 1648 dev_info(&pf->pdev->dev, 1649 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1650 pf->hw.aq.asq_last_status); 1651 kfree(buff); 1652 buff = NULL; 1653 goto command_write_done; 1654 } 1655 dev_info(&pf->pdev->dev, 1656 "Get LLDP MIB (local) AQ buffer written back:\n"); 1657 for (i = 0; i < I40E_LLDPDU_SIZE; i++) { 1658 snprintf(print_buf, 3, "%02x ", buff[i]); 1659 print_buf += 3; 1660 if ((i % 16) == 15) { 1661 snprintf(print_buf, 1, "\n"); 1662 print_buf++; 1663 } 1664 } 1665 dev_info(&pf->pdev->dev, "%s\n", print_buf_start); 1666 kfree(buff); 1667 buff = NULL; 1668 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1669 u16 llen, rlen; 1670 int ret, i; 1671 u8 *buff; 1672 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1673 if (!buff) 1674 goto command_write_done; 1675 1676 ret = i40e_aq_get_lldp_mib(&pf->hw, 1677 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1678 I40E_AQ_LLDP_MIB_LOCAL, 1679 buff, I40E_LLDPDU_SIZE, 1680 &llen, &rlen, NULL); 1681 if (ret) { 1682 dev_info(&pf->pdev->dev, 1683 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1684 pf->hw.aq.asq_last_status); 1685 kfree(buff); 1686 buff = NULL; 1687 goto command_write_done; 1688 } 1689 dev_info(&pf->pdev->dev, 1690 "Get LLDP MIB (remote) AQ buffer written back:\n"); 1691 for (i = 0; i < I40E_LLDPDU_SIZE; i++) { 1692 snprintf(print_buf, 3, "%02x ", buff[i]); 1693 print_buf += 3; 1694 if ((i % 16) == 15) { 1695 snprintf(print_buf, 1, "\n"); 1696 print_buf++; 1697 } 1698 } 1699 dev_info(&pf->pdev->dev, "%s\n", print_buf_start); 1700 kfree(buff); 1701 buff = NULL; 1702 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1703 int ret; 1704 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1705 true, NULL); 1706 if (ret) { 1707 dev_info(&pf->pdev->dev, 1708 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1709 pf->hw.aq.asq_last_status); 1710 goto command_write_done; 1711 } 1712 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1713 int ret; 1714 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1715 false, NULL); 1716 if (ret) { 1717 dev_info(&pf->pdev->dev, 1718 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1719 pf->hw.aq.asq_last_status); 1720 goto command_write_done; 1721 } 1722 } 1723 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1724 u16 buffer_len, i, bytes; 1725 u16 module; 1726 u32 offset; 1727 u16 *buff; 1728 int ret; 1729 1730 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1731 &module, &offset, &buffer_len); 1732 if (cnt == 0) { 1733 module = 0; 1734 offset = 0; 1735 buffer_len = 0; 1736 } else if (cnt == 1) { 1737 offset = 0; 1738 buffer_len = 0; 1739 } else if (cnt == 2) { 1740 buffer_len = 0; 1741 } else if (cnt > 3) { 1742 dev_info(&pf->pdev->dev, 1743 "nvm read: bad command string, cnt=%d\n", cnt); 1744 goto command_write_done; 1745 } 1746 1747 /* set the max length */ 1748 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1749 1750 bytes = 2 * buffer_len; 1751 1752 /* read at least 1k bytes, no more than 4kB */ 1753 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1754 buff = kzalloc(bytes, GFP_KERNEL); 1755 if (!buff) 1756 goto command_write_done; 1757 1758 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1759 if (ret) { 1760 dev_info(&pf->pdev->dev, 1761 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1762 ret, pf->hw.aq.asq_last_status); 1763 kfree(buff); 1764 goto command_write_done; 1765 } 1766 1767 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1768 bytes, (u8 *)buff, true, NULL); 1769 i40e_release_nvm(&pf->hw); 1770 if (ret) { 1771 dev_info(&pf->pdev->dev, 1772 "Read NVM AQ failed err=%d status=0x%x\n", 1773 ret, pf->hw.aq.asq_last_status); 1774 } else { 1775 dev_info(&pf->pdev->dev, 1776 "Read NVM module=0x%x offset=0x%x words=%d\n", 1777 module, offset, buffer_len); 1778 for (i = 0; i < buffer_len; i++) { 1779 if ((i % 16) == 0) { 1780 snprintf(print_buf, 11, "\n0x%08x: ", 1781 offset + i); 1782 print_buf += 11; 1783 } 1784 snprintf(print_buf, 5, "%04x ", buff[i]); 1785 print_buf += 5; 1786 } 1787 dev_info(&pf->pdev->dev, "%s\n", print_buf_start); 1788 } 1789 kfree(buff); 1790 buff = NULL; 1791 } else { 1792 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1793 dev_info(&pf->pdev->dev, "available commands\n"); 1794 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1795 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1796 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1797 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1798 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1799 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1800 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1801 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1802 dev_info(&pf->pdev->dev, " dump switch\n"); 1803 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1804 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1805 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1806 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1807 dev_info(&pf->pdev->dev, " dump stats\n"); 1808 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1809 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1810 dev_info(&pf->pdev->dev, " read <reg>\n"); 1811 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1812 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1813 dev_info(&pf->pdev->dev, " clear_stats pf\n"); 1814 dev_info(&pf->pdev->dev, " pfr\n"); 1815 dev_info(&pf->pdev->dev, " corer\n"); 1816 dev_info(&pf->pdev->dev, " globr\n"); 1817 dev_info(&pf->pdev->dev, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n"); 1818 dev_info(&pf->pdev->dev, " rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n"); 1819 dev_info(&pf->pdev->dev, " lldp start\n"); 1820 dev_info(&pf->pdev->dev, " lldp stop\n"); 1821 dev_info(&pf->pdev->dev, " lldp get local\n"); 1822 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1823 dev_info(&pf->pdev->dev, " lldp event on\n"); 1824 dev_info(&pf->pdev->dev, " lldp event off\n"); 1825 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1826 } 1827 1828 command_write_done: 1829 kfree(cmd_buf); 1830 cmd_buf = NULL; 1831 kfree(print_buf_start); 1832 print_buf = NULL; 1833 print_buf_start = NULL; 1834 return count; 1835 } 1836 1837 static const struct file_operations i40e_dbg_command_fops = { 1838 .owner = THIS_MODULE, 1839 .open = simple_open, 1840 .read = i40e_dbg_command_read, 1841 .write = i40e_dbg_command_write, 1842 }; 1843 1844 /************************************************************** 1845 * netdev_ops 1846 * The netdev_ops entry in debugfs is for giving the driver commands 1847 * to be executed from the netdev operations. 1848 **************************************************************/ 1849 static char i40e_dbg_netdev_ops_buf[256] = "hello world"; 1850 1851 /** 1852 * i40e_dbg_netdev_ops - read for netdev_ops datum 1853 * @filp: the opened file 1854 * @buffer: where to write the data for the user to read 1855 * @count: the size of the user's buffer 1856 * @ppos: file position offset 1857 **/ 1858 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1859 size_t count, loff_t *ppos) 1860 { 1861 struct i40e_pf *pf = filp->private_data; 1862 int bytes_not_copied; 1863 int buf_size = 256; 1864 char *buf; 1865 int len; 1866 1867 /* don't allow partal reads */ 1868 if (*ppos != 0) 1869 return 0; 1870 if (count < buf_size) 1871 return -ENOSPC; 1872 1873 buf = kzalloc(buf_size, GFP_KERNEL); 1874 if (!buf) 1875 return -ENOSPC; 1876 1877 len = snprintf(buf, buf_size, "%s: %s\n", 1878 pf->vsi[pf->lan_vsi]->netdev->name, 1879 i40e_dbg_netdev_ops_buf); 1880 1881 bytes_not_copied = copy_to_user(buffer, buf, len); 1882 kfree(buf); 1883 1884 if (bytes_not_copied < 0) 1885 return bytes_not_copied; 1886 1887 *ppos = len; 1888 return len; 1889 } 1890 1891 /** 1892 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1893 * @filp: the opened file 1894 * @buffer: where to find the user's data 1895 * @count: the length of the user's data 1896 * @ppos: file position offset 1897 **/ 1898 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1899 const char __user *buffer, 1900 size_t count, loff_t *ppos) 1901 { 1902 struct i40e_pf *pf = filp->private_data; 1903 int bytes_not_copied; 1904 struct i40e_vsi *vsi; 1905 char *buf_tmp; 1906 int vsi_seid; 1907 int i, cnt; 1908 1909 /* don't allow partial writes */ 1910 if (*ppos != 0) 1911 return 0; 1912 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1913 return -ENOSPC; 1914 1915 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1916 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1917 buffer, count); 1918 if (bytes_not_copied < 0) 1919 return bytes_not_copied; 1920 else if (bytes_not_copied > 0) 1921 count -= bytes_not_copied; 1922 i40e_dbg_netdev_ops_buf[count] = '\0'; 1923 1924 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1925 if (buf_tmp) { 1926 *buf_tmp = '\0'; 1927 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1928 } 1929 1930 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1931 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1932 if (cnt != 1) { 1933 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1934 goto netdev_ops_write_done; 1935 } 1936 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1937 if (!vsi) { 1938 dev_info(&pf->pdev->dev, 1939 "tx_timeout: VSI %d not found\n", vsi_seid); 1940 goto netdev_ops_write_done; 1941 } 1942 if (rtnl_trylock()) { 1943 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1944 rtnl_unlock(); 1945 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1946 } else { 1947 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1948 } 1949 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1950 int mtu; 1951 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1952 &vsi_seid, &mtu); 1953 if (cnt != 2) { 1954 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1955 goto netdev_ops_write_done; 1956 } 1957 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1958 if (!vsi) { 1959 dev_info(&pf->pdev->dev, 1960 "change_mtu: VSI %d not found\n", vsi_seid); 1961 goto netdev_ops_write_done; 1962 } 1963 if (rtnl_trylock()) { 1964 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1965 mtu); 1966 rtnl_unlock(); 1967 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1968 } else { 1969 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1970 } 1971 1972 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1973 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1974 if (cnt != 1) { 1975 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1976 goto netdev_ops_write_done; 1977 } 1978 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1979 if (!vsi) { 1980 dev_info(&pf->pdev->dev, 1981 "set_rx_mode: VSI %d not found\n", vsi_seid); 1982 goto netdev_ops_write_done; 1983 } 1984 if (rtnl_trylock()) { 1985 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1986 rtnl_unlock(); 1987 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1988 } else { 1989 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1990 } 1991 1992 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1993 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1994 if (cnt != 1) { 1995 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1996 goto netdev_ops_write_done; 1997 } 1998 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1999 if (!vsi) { 2000 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 2001 vsi_seid); 2002 goto netdev_ops_write_done; 2003 } 2004 for (i = 0; i < vsi->num_q_vectors; i++) 2005 napi_schedule(&vsi->q_vectors[i]->napi); 2006 dev_info(&pf->pdev->dev, "napi called\n"); 2007 } else { 2008 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 2009 i40e_dbg_netdev_ops_buf); 2010 dev_info(&pf->pdev->dev, "available commands\n"); 2011 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 2012 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 2013 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 2014 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 2015 } 2016 netdev_ops_write_done: 2017 return count; 2018 } 2019 2020 static const struct file_operations i40e_dbg_netdev_ops_fops = { 2021 .owner = THIS_MODULE, 2022 .open = simple_open, 2023 .read = i40e_dbg_netdev_ops_read, 2024 .write = i40e_dbg_netdev_ops_write, 2025 }; 2026 2027 /** 2028 * i40e_dbg_pf_init - setup the debugfs directory for the pf 2029 * @pf: the pf that is starting up 2030 **/ 2031 void i40e_dbg_pf_init(struct i40e_pf *pf) 2032 { 2033 struct dentry *pfile; 2034 const char *name = pci_name(pf->pdev); 2035 const struct device *dev = &pf->pdev->dev; 2036 2037 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 2038 if (!pf->i40e_dbg_pf) 2039 return; 2040 2041 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 2042 &i40e_dbg_command_fops); 2043 if (!pfile) 2044 goto create_failed; 2045 2046 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, 2047 &i40e_dbg_dump_fops); 2048 if (!pfile) 2049 goto create_failed; 2050 2051 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 2052 &i40e_dbg_netdev_ops_fops); 2053 if (!pfile) 2054 goto create_failed; 2055 2056 return; 2057 2058 create_failed: 2059 dev_info(dev, "debugfs dir/file for %s failed\n", name); 2060 debugfs_remove_recursive(pf->i40e_dbg_pf); 2061 return; 2062 } 2063 2064 /** 2065 * i40e_dbg_pf_exit - clear out the pf's debugfs entries 2066 * @pf: the pf that is stopping 2067 **/ 2068 void i40e_dbg_pf_exit(struct i40e_pf *pf) 2069 { 2070 debugfs_remove_recursive(pf->i40e_dbg_pf); 2071 pf->i40e_dbg_pf = NULL; 2072 2073 kfree(i40e_dbg_dump_buf); 2074 i40e_dbg_dump_buf = NULL; 2075 } 2076 2077 /** 2078 * i40e_dbg_init - start up debugfs for the driver 2079 **/ 2080 void i40e_dbg_init(void) 2081 { 2082 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 2083 if (!i40e_dbg_root) 2084 pr_info("init of debugfs failed\n"); 2085 } 2086 2087 /** 2088 * i40e_dbg_exit - clean out the driver's debugfs entries 2089 **/ 2090 void i40e_dbg_exit(void) 2091 { 2092 debugfs_remove_recursive(i40e_dbg_root); 2093 i40e_dbg_root = NULL; 2094 } 2095 2096 #endif /* CONFIG_DEBUG_FS */ 2097