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