1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2014 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 16 * with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 * The full GNU General Public License is included in this distribution in 19 * the file called "COPYING". 20 * 21 * Contact Information: 22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 ******************************************************************************/ 26 27 #ifdef CONFIG_DEBUG_FS 28 29 #include <linux/fs.h> 30 #include <linux/debugfs.h> 31 32 #include "i40e.h" 33 34 static struct dentry *i40e_dbg_root; 35 36 /** 37 * i40e_dbg_find_vsi - searches for the vsi with the given seid 38 * @pf - the pf structure to search for the vsi 39 * @seid - seid of the vsi it is searching for 40 **/ 41 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) 42 { 43 int i; 44 45 if (seid < 0) 46 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 47 else 48 for (i = 0; i < pf->num_alloc_vsi; i++) 49 if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) 50 return pf->vsi[i]; 51 52 return NULL; 53 } 54 55 /** 56 * i40e_dbg_find_veb - searches for the veb with the given seid 57 * @pf - the pf structure to search for the veb 58 * @seid - seid of the veb it is searching for 59 **/ 60 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) 61 { 62 int i; 63 64 if ((seid < I40E_BASE_VEB_SEID) || 65 (seid > (I40E_BASE_VEB_SEID + I40E_MAX_VEB))) 66 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 67 else 68 for (i = 0; i < I40E_MAX_VEB; i++) 69 if (pf->veb[i] && pf->veb[i]->seid == seid) 70 return pf->veb[i]; 71 return NULL; 72 } 73 74 /************************************************************** 75 * dump 76 * The dump entry in debugfs is for getting a data snapshow of 77 * the driver's current configuration and runtime details. 78 * When the filesystem entry is written, a snapshot is taken. 79 * When the entry is read, the most recent snapshot data is dumped. 80 **************************************************************/ 81 static char *i40e_dbg_dump_buf; 82 static ssize_t i40e_dbg_dump_data_len; 83 static ssize_t i40e_dbg_dump_buffer_len; 84 85 /** 86 * i40e_dbg_dump_read - read the dump data 87 * @filp: the opened file 88 * @buffer: where to write the data for the user to read 89 * @count: the size of the user's buffer 90 * @ppos: file position offset 91 **/ 92 static ssize_t i40e_dbg_dump_read(struct file *filp, char __user *buffer, 93 size_t count, loff_t *ppos) 94 { 95 int bytes_not_copied; 96 int len; 97 98 /* is *ppos bigger than the available data? */ 99 if (*ppos >= i40e_dbg_dump_data_len || !i40e_dbg_dump_buf) 100 return 0; 101 102 /* be sure to not read beyond the end of available data */ 103 len = min_t(int, count, (i40e_dbg_dump_data_len - *ppos)); 104 105 bytes_not_copied = copy_to_user(buffer, &i40e_dbg_dump_buf[*ppos], len); 106 if (bytes_not_copied < 0) 107 return bytes_not_copied; 108 109 *ppos += len; 110 return len; 111 } 112 113 /** 114 * i40e_dbg_prep_dump_buf 115 * @pf: the pf we're working with 116 * @buflen: the desired buffer length 117 * 118 * Return positive if success, 0 if failed 119 **/ 120 static int i40e_dbg_prep_dump_buf(struct i40e_pf *pf, int buflen) 121 { 122 /* if not already big enough, prep for re alloc */ 123 if (i40e_dbg_dump_buffer_len && i40e_dbg_dump_buffer_len < buflen) { 124 kfree(i40e_dbg_dump_buf); 125 i40e_dbg_dump_buffer_len = 0; 126 i40e_dbg_dump_buf = NULL; 127 } 128 129 /* get a new buffer if needed */ 130 if (!i40e_dbg_dump_buf) { 131 i40e_dbg_dump_buf = kzalloc(buflen, GFP_KERNEL); 132 if (i40e_dbg_dump_buf != NULL) 133 i40e_dbg_dump_buffer_len = buflen; 134 } 135 136 return i40e_dbg_dump_buffer_len; 137 } 138 139 /** 140 * i40e_dbg_dump_write - trigger a datadump snapshot 141 * @filp: the opened file 142 * @buffer: where to find the user's data 143 * @count: the length of the user's data 144 * @ppos: file position offset 145 * 146 * Any write clears the stats 147 **/ 148 static ssize_t i40e_dbg_dump_write(struct file *filp, 149 const char __user *buffer, 150 size_t count, loff_t *ppos) 151 { 152 struct i40e_pf *pf = filp->private_data; 153 bool seid_found = false; 154 long seid = -1; 155 int buflen = 0; 156 int i, ret; 157 int len; 158 u8 *p; 159 160 /* don't allow partial writes */ 161 if (*ppos != 0) 162 return 0; 163 164 /* decode the SEID given to be dumped */ 165 ret = kstrtol_from_user(buffer, count, 0, &seid); 166 167 if (ret) { 168 dev_info(&pf->pdev->dev, "bad seid value\n"); 169 } else if (seid == 0) { 170 seid_found = true; 171 172 kfree(i40e_dbg_dump_buf); 173 i40e_dbg_dump_buffer_len = 0; 174 i40e_dbg_dump_data_len = 0; 175 i40e_dbg_dump_buf = NULL; 176 dev_info(&pf->pdev->dev, "debug buffer freed\n"); 177 178 } else if (seid == pf->pf_seid || seid == 1) { 179 seid_found = true; 180 181 buflen = sizeof(struct i40e_pf); 182 buflen += (sizeof(struct i40e_aq_desc) 183 * (pf->hw.aq.num_arq_entries + pf->hw.aq.num_asq_entries)); 184 185 if (i40e_dbg_prep_dump_buf(pf, buflen)) { 186 p = i40e_dbg_dump_buf; 187 188 len = sizeof(struct i40e_pf); 189 memcpy(p, pf, len); 190 p += len; 191 192 len = (sizeof(struct i40e_aq_desc) 193 * pf->hw.aq.num_asq_entries); 194 memcpy(p, pf->hw.aq.asq.desc_buf.va, len); 195 p += len; 196 197 len = (sizeof(struct i40e_aq_desc) 198 * pf->hw.aq.num_arq_entries); 199 memcpy(p, pf->hw.aq.arq.desc_buf.va, len); 200 p += len; 201 202 i40e_dbg_dump_data_len = buflen; 203 dev_info(&pf->pdev->dev, 204 "PF seid %ld dumped %d bytes\n", 205 seid, (int)i40e_dbg_dump_data_len); 206 } 207 } else if (seid >= I40E_BASE_VSI_SEID) { 208 struct i40e_vsi *vsi = NULL; 209 struct i40e_mac_filter *f; 210 int filter_count = 0; 211 212 mutex_lock(&pf->switch_mutex); 213 vsi = i40e_dbg_find_vsi(pf, seid); 214 if (!vsi) { 215 mutex_unlock(&pf->switch_mutex); 216 goto write_exit; 217 } 218 219 buflen = sizeof(struct i40e_vsi); 220 buflen += sizeof(struct i40e_q_vector) * vsi->num_q_vectors; 221 buflen += sizeof(struct i40e_ring) * 2 * vsi->num_queue_pairs; 222 buflen += sizeof(struct i40e_tx_buffer) * vsi->num_queue_pairs; 223 buflen += sizeof(struct i40e_rx_buffer) * vsi->num_queue_pairs; 224 list_for_each_entry(f, &vsi->mac_filter_list, list) 225 filter_count++; 226 buflen += sizeof(struct i40e_mac_filter) * filter_count; 227 228 if (i40e_dbg_prep_dump_buf(pf, buflen)) { 229 p = i40e_dbg_dump_buf; 230 seid_found = true; 231 232 len = sizeof(struct i40e_vsi); 233 memcpy(p, vsi, len); 234 p += len; 235 236 if (vsi->num_q_vectors) { 237 len = (sizeof(struct i40e_q_vector) 238 * vsi->num_q_vectors); 239 memcpy(p, vsi->q_vectors, len); 240 p += len; 241 } 242 243 if (vsi->num_queue_pairs) { 244 len = (sizeof(struct i40e_ring) * 245 vsi->num_queue_pairs); 246 memcpy(p, vsi->tx_rings, len); 247 p += len; 248 memcpy(p, vsi->rx_rings, len); 249 p += len; 250 } 251 252 if (vsi->tx_rings[0]) { 253 len = sizeof(struct i40e_tx_buffer); 254 for (i = 0; i < vsi->num_queue_pairs; i++) { 255 memcpy(p, vsi->tx_rings[i]->tx_bi, len); 256 p += len; 257 } 258 len = sizeof(struct i40e_rx_buffer); 259 for (i = 0; i < vsi->num_queue_pairs; i++) { 260 memcpy(p, vsi->rx_rings[i]->rx_bi, len); 261 p += len; 262 } 263 } 264 265 /* macvlan filter list */ 266 len = sizeof(struct i40e_mac_filter); 267 list_for_each_entry(f, &vsi->mac_filter_list, list) { 268 memcpy(p, f, len); 269 p += len; 270 } 271 272 i40e_dbg_dump_data_len = buflen; 273 dev_info(&pf->pdev->dev, 274 "VSI seid %ld dumped %d bytes\n", 275 seid, (int)i40e_dbg_dump_data_len); 276 } 277 mutex_unlock(&pf->switch_mutex); 278 } else if (seid >= I40E_BASE_VEB_SEID) { 279 struct i40e_veb *veb = NULL; 280 281 mutex_lock(&pf->switch_mutex); 282 veb = i40e_dbg_find_veb(pf, seid); 283 if (!veb) { 284 mutex_unlock(&pf->switch_mutex); 285 goto write_exit; 286 } 287 288 buflen = sizeof(struct i40e_veb); 289 if (i40e_dbg_prep_dump_buf(pf, buflen)) { 290 seid_found = true; 291 memcpy(i40e_dbg_dump_buf, veb, buflen); 292 i40e_dbg_dump_data_len = buflen; 293 dev_info(&pf->pdev->dev, 294 "VEB seid %ld dumped %d bytes\n", 295 seid, (int)i40e_dbg_dump_data_len); 296 } 297 mutex_unlock(&pf->switch_mutex); 298 } 299 300 write_exit: 301 if (!seid_found) 302 dev_info(&pf->pdev->dev, "unknown seid %ld\n", seid); 303 304 return count; 305 } 306 307 static const struct file_operations i40e_dbg_dump_fops = { 308 .owner = THIS_MODULE, 309 .open = simple_open, 310 .read = i40e_dbg_dump_read, 311 .write = i40e_dbg_dump_write, 312 }; 313 314 /************************************************************** 315 * command 316 * The command entry in debugfs is for giving the driver commands 317 * to be executed - these may be for changing the internal switch 318 * setup, adding or removing filters, or other things. Many of 319 * these will be useful for some forms of unit testing. 320 **************************************************************/ 321 static char i40e_dbg_command_buf[256] = "hello world"; 322 323 /** 324 * i40e_dbg_command_read - read for command datum 325 * @filp: the opened file 326 * @buffer: where to write the data for the user to read 327 * @count: the size of the user's buffer 328 * @ppos: file position offset 329 **/ 330 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 331 size_t count, loff_t *ppos) 332 { 333 struct i40e_pf *pf = filp->private_data; 334 int bytes_not_copied; 335 int buf_size = 256; 336 char *buf; 337 int len; 338 339 /* don't allow partial reads */ 340 if (*ppos != 0) 341 return 0; 342 if (count < buf_size) 343 return -ENOSPC; 344 345 buf = kzalloc(buf_size, GFP_KERNEL); 346 if (!buf) 347 return -ENOSPC; 348 349 len = snprintf(buf, buf_size, "%s: %s\n", 350 pf->vsi[pf->lan_vsi]->netdev->name, 351 i40e_dbg_command_buf); 352 353 bytes_not_copied = copy_to_user(buffer, buf, len); 354 kfree(buf); 355 356 if (bytes_not_copied < 0) 357 return bytes_not_copied; 358 359 *ppos = len; 360 return len; 361 } 362 363 /** 364 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 365 * @pf: the i40e_pf created in command write 366 * @seid: the seid the user put in 367 **/ 368 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 369 { 370 struct rtnl_link_stats64 *nstat; 371 struct i40e_mac_filter *f; 372 struct i40e_vsi *vsi; 373 int i; 374 375 vsi = i40e_dbg_find_vsi(pf, seid); 376 if (!vsi) { 377 dev_info(&pf->pdev->dev, 378 "dump %d: seid not found\n", seid); 379 return; 380 } 381 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 382 if (vsi->netdev) 383 dev_info(&pf->pdev->dev, 384 " netdev: name = %s\n", 385 vsi->netdev->name); 386 if (vsi->active_vlans) 387 dev_info(&pf->pdev->dev, 388 " vlgrp: & = %p\n", vsi->active_vlans); 389 dev_info(&pf->pdev->dev, 390 " netdev_registered = %i, current_netdev_flags = 0x%04x, state = %li flags = 0x%08lx\n", 391 vsi->netdev_registered, 392 vsi->current_netdev_flags, vsi->state, vsi->flags); 393 list_for_each_entry(f, &vsi->mac_filter_list, list) { 394 dev_info(&pf->pdev->dev, 395 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n", 396 f->macaddr, f->vlan, f->is_netdev, f->is_vf, 397 f->counter); 398 } 399 nstat = i40e_get_vsi_stats_struct(vsi); 400 dev_info(&pf->pdev->dev, 401 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 402 (long unsigned int)nstat->rx_packets, 403 (long unsigned int)nstat->rx_bytes, 404 (long unsigned int)nstat->rx_errors, 405 (long unsigned int)nstat->rx_dropped); 406 dev_info(&pf->pdev->dev, 407 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 408 (long unsigned int)nstat->tx_packets, 409 (long unsigned int)nstat->tx_bytes, 410 (long unsigned int)nstat->tx_errors, 411 (long unsigned int)nstat->tx_dropped); 412 dev_info(&pf->pdev->dev, 413 " net_stats: multicast = %lu, collisions = %lu\n", 414 (long unsigned int)nstat->multicast, 415 (long unsigned int)nstat->collisions); 416 dev_info(&pf->pdev->dev, 417 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 418 (long unsigned int)nstat->rx_length_errors, 419 (long unsigned int)nstat->rx_over_errors, 420 (long unsigned int)nstat->rx_crc_errors); 421 dev_info(&pf->pdev->dev, 422 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 423 (long unsigned int)nstat->rx_frame_errors, 424 (long unsigned int)nstat->rx_fifo_errors, 425 (long unsigned int)nstat->rx_missed_errors); 426 dev_info(&pf->pdev->dev, 427 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 428 (long unsigned int)nstat->tx_aborted_errors, 429 (long unsigned int)nstat->tx_carrier_errors, 430 (long unsigned int)nstat->tx_fifo_errors); 431 dev_info(&pf->pdev->dev, 432 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 433 (long unsigned int)nstat->tx_heartbeat_errors, 434 (long unsigned int)nstat->tx_window_errors); 435 dev_info(&pf->pdev->dev, 436 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 437 (long unsigned int)nstat->rx_compressed, 438 (long unsigned int)nstat->tx_compressed); 439 dev_info(&pf->pdev->dev, 440 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 441 (long unsigned int)vsi->net_stats_offsets.rx_packets, 442 (long unsigned int)vsi->net_stats_offsets.rx_bytes, 443 (long unsigned int)vsi->net_stats_offsets.rx_errors, 444 (long unsigned int)vsi->net_stats_offsets.rx_dropped); 445 dev_info(&pf->pdev->dev, 446 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 447 (long unsigned int)vsi->net_stats_offsets.tx_packets, 448 (long unsigned int)vsi->net_stats_offsets.tx_bytes, 449 (long unsigned int)vsi->net_stats_offsets.tx_errors, 450 (long unsigned int)vsi->net_stats_offsets.tx_dropped); 451 dev_info(&pf->pdev->dev, 452 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 453 (long unsigned int)vsi->net_stats_offsets.multicast, 454 (long unsigned int)vsi->net_stats_offsets.collisions); 455 dev_info(&pf->pdev->dev, 456 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 457 (long unsigned int)vsi->net_stats_offsets.rx_length_errors, 458 (long unsigned int)vsi->net_stats_offsets.rx_over_errors, 459 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors); 460 dev_info(&pf->pdev->dev, 461 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 462 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors, 463 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors, 464 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors); 465 dev_info(&pf->pdev->dev, 466 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 467 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors, 468 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors, 469 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors); 470 dev_info(&pf->pdev->dev, 471 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 472 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors, 473 (long unsigned int)vsi->net_stats_offsets.tx_window_errors); 474 dev_info(&pf->pdev->dev, 475 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 476 (long unsigned int)vsi->net_stats_offsets.rx_compressed, 477 (long unsigned int)vsi->net_stats_offsets.tx_compressed); 478 dev_info(&pf->pdev->dev, 479 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 480 vsi->tx_restart, vsi->tx_busy, 481 vsi->rx_buf_failed, vsi->rx_page_failed); 482 rcu_read_lock(); 483 for (i = 0; i < vsi->num_queue_pairs; i++) { 484 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]); 485 if (!rx_ring) 486 continue; 487 488 dev_info(&pf->pdev->dev, 489 " rx_rings[%i]: desc = %p\n", 490 i, rx_ring->desc); 491 dev_info(&pf->pdev->dev, 492 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", 493 i, rx_ring->dev, 494 rx_ring->netdev, 495 rx_ring->rx_bi); 496 dev_info(&pf->pdev->dev, 497 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 498 i, rx_ring->state, 499 rx_ring->queue_index, 500 rx_ring->reg_idx); 501 dev_info(&pf->pdev->dev, 502 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n", 503 i, rx_ring->rx_hdr_len, 504 rx_ring->rx_buf_len, 505 rx_ring->dtype); 506 dev_info(&pf->pdev->dev, 507 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 508 i, rx_ring->hsplit, 509 rx_ring->next_to_use, 510 rx_ring->next_to_clean, 511 rx_ring->ring_active); 512 dev_info(&pf->pdev->dev, 513 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 514 i, rx_ring->stats.packets, 515 rx_ring->stats.bytes, 516 rx_ring->rx_stats.non_eop_descs); 517 dev_info(&pf->pdev->dev, 518 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 519 i, 520 rx_ring->rx_stats.alloc_page_failed, 521 rx_ring->rx_stats.alloc_buff_failed); 522 dev_info(&pf->pdev->dev, 523 " rx_rings[%i]: size = %i, dma = 0x%08lx\n", 524 i, rx_ring->size, 525 (long unsigned int)rx_ring->dma); 526 dev_info(&pf->pdev->dev, 527 " rx_rings[%i]: vsi = %p, q_vector = %p\n", 528 i, rx_ring->vsi, 529 rx_ring->q_vector); 530 } 531 for (i = 0; i < vsi->num_queue_pairs; i++) { 532 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); 533 if (!tx_ring) 534 continue; 535 536 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 #ifdef I40E_FCOE 701 if (vsi->type == I40E_VSI_FCOE) { 702 dev_info(&pf->pdev->dev, 703 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n", 704 vsi->fcoe_stats.rx_fcoe_packets, 705 vsi->fcoe_stats.rx_fcoe_dwords, 706 vsi->fcoe_stats.rx_fcoe_dropped); 707 dev_info(&pf->pdev->dev, 708 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n", 709 vsi->fcoe_stats.tx_fcoe_packets, 710 vsi->fcoe_stats.tx_fcoe_dwords); 711 dev_info(&pf->pdev->dev, 712 " fcoe_stats: bad_crc = %llu, last_error = %llu\n", 713 vsi->fcoe_stats.fcoe_bad_fccrc, 714 vsi->fcoe_stats.fcoe_last_error); 715 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n", 716 vsi->fcoe_stats.fcoe_ddp_count); 717 } 718 #endif 719 } 720 721 /** 722 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 723 * @pf: the i40e_pf created in command write 724 **/ 725 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 726 { 727 struct i40e_adminq_ring *ring; 728 struct i40e_hw *hw = &pf->hw; 729 char hdr[32]; 730 int i; 731 732 snprintf(hdr, sizeof(hdr), "%s %s: ", 733 dev_driver_string(&pf->pdev->dev), 734 dev_name(&pf->pdev->dev)); 735 736 /* first the send (command) ring, then the receive (event) ring */ 737 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 738 ring = &(hw->aq.asq); 739 for (i = 0; i < ring->count; i++) { 740 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 741 dev_info(&pf->pdev->dev, 742 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 743 i, d->flags, d->opcode, d->datalen, d->retval, 744 d->cookie_high, d->cookie_low); 745 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 746 16, 1, d->params.raw, 16, 0); 747 } 748 749 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 750 ring = &(hw->aq.arq); 751 for (i = 0; i < ring->count; i++) { 752 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 753 dev_info(&pf->pdev->dev, 754 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 755 i, d->flags, d->opcode, d->datalen, d->retval, 756 d->cookie_high, d->cookie_low); 757 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 758 16, 1, d->params.raw, 16, 0); 759 } 760 } 761 762 /** 763 * i40e_dbg_dump_desc - handles dump desc write into command datum 764 * @cnt: number of arguments that the user supplied 765 * @vsi_seid: vsi id entered by user 766 * @ring_id: ring id entered by user 767 * @desc_n: descriptor number entered by user 768 * @pf: the i40e_pf created in command write 769 * @is_rx_ring: true if rx, false if tx 770 **/ 771 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 772 struct i40e_pf *pf, bool is_rx_ring) 773 { 774 struct i40e_tx_desc *txd; 775 union i40e_rx_desc *rxd; 776 struct i40e_ring *ring; 777 struct i40e_vsi *vsi; 778 int i; 779 780 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 781 if (!vsi) { 782 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 783 return; 784 } 785 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 786 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 787 return; 788 } 789 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 790 dev_info(&pf->pdev->dev, 791 "descriptor rings have not been allocated for vsi %d\n", 792 vsi_seid); 793 return; 794 } 795 796 ring = kmemdup(is_rx_ring 797 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], 798 sizeof(*ring), GFP_KERNEL); 799 if (!ring) 800 return; 801 802 if (cnt == 2) { 803 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 804 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 805 for (i = 0; i < ring->count; i++) { 806 if (!is_rx_ring) { 807 txd = I40E_TX_DESC(ring, i); 808 dev_info(&pf->pdev->dev, 809 " d[%03i] = 0x%016llx 0x%016llx\n", 810 i, txd->buffer_addr, 811 txd->cmd_type_offset_bsz); 812 } else if (sizeof(union i40e_rx_desc) == 813 sizeof(union i40e_16byte_rx_desc)) { 814 rxd = I40E_RX_DESC(ring, i); 815 dev_info(&pf->pdev->dev, 816 " d[%03i] = 0x%016llx 0x%016llx\n", 817 i, rxd->read.pkt_addr, 818 rxd->read.hdr_addr); 819 } else { 820 rxd = I40E_RX_DESC(ring, i); 821 dev_info(&pf->pdev->dev, 822 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 823 i, rxd->read.pkt_addr, 824 rxd->read.hdr_addr, 825 rxd->read.rsvd1, rxd->read.rsvd2); 826 } 827 } 828 } else if (cnt == 3) { 829 if (desc_n >= ring->count || desc_n < 0) { 830 dev_info(&pf->pdev->dev, 831 "descriptor %d not found\n", desc_n); 832 goto out; 833 } 834 if (!is_rx_ring) { 835 txd = I40E_TX_DESC(ring, desc_n); 836 dev_info(&pf->pdev->dev, 837 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", 838 vsi_seid, ring_id, desc_n, 839 txd->buffer_addr, txd->cmd_type_offset_bsz); 840 } else if (sizeof(union i40e_rx_desc) == 841 sizeof(union i40e_16byte_rx_desc)) { 842 rxd = I40E_RX_DESC(ring, desc_n); 843 dev_info(&pf->pdev->dev, 844 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", 845 vsi_seid, ring_id, desc_n, 846 rxd->read.pkt_addr, rxd->read.hdr_addr); 847 } else { 848 rxd = I40E_RX_DESC(ring, desc_n); 849 dev_info(&pf->pdev->dev, 850 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 851 vsi_seid, ring_id, desc_n, 852 rxd->read.pkt_addr, rxd->read.hdr_addr, 853 rxd->read.rsvd1, rxd->read.rsvd2); 854 } 855 } else { 856 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); 857 } 858 859 out: 860 kfree(ring); 861 } 862 863 /** 864 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 865 * @pf: the i40e_pf created in command write 866 **/ 867 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 868 { 869 int i; 870 871 for (i = 0; i < pf->num_alloc_vsi; i++) 872 if (pf->vsi[i]) 873 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 874 i, pf->vsi[i]->seid); 875 } 876 877 /** 878 * i40e_dbg_dump_stats - handles dump stats write into command datum 879 * @pf: the i40e_pf created in command write 880 * @estats: the eth stats structure to be dumped 881 **/ 882 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 883 struct i40e_eth_stats *estats) 884 { 885 dev_info(&pf->pdev->dev, " ethstats:\n"); 886 dev_info(&pf->pdev->dev, 887 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 888 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 889 dev_info(&pf->pdev->dev, 890 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 891 estats->rx_broadcast, estats->rx_discards); 892 dev_info(&pf->pdev->dev, 893 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 894 estats->rx_unknown_protocol, estats->tx_bytes); 895 dev_info(&pf->pdev->dev, 896 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 897 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 898 dev_info(&pf->pdev->dev, 899 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 900 estats->tx_discards, estats->tx_errors); 901 } 902 903 /** 904 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 905 * @pf: the i40e_pf created in command write 906 * @seid: the seid the user put in 907 **/ 908 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 909 { 910 struct i40e_veb *veb; 911 912 if ((seid < I40E_BASE_VEB_SEID) || 913 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) { 914 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 915 return; 916 } 917 918 veb = i40e_dbg_find_veb(pf, seid); 919 if (!veb) { 920 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 921 return; 922 } 923 dev_info(&pf->pdev->dev, 924 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n", 925 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 926 veb->uplink_seid); 927 i40e_dbg_dump_eth_stats(pf, &veb->stats); 928 } 929 930 /** 931 * i40e_dbg_dump_veb_all - dumps all known veb's stats 932 * @pf: the i40e_pf created in command write 933 **/ 934 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 935 { 936 struct i40e_veb *veb; 937 int i; 938 939 for (i = 0; i < I40E_MAX_VEB; i++) { 940 veb = pf->veb[i]; 941 if (veb) 942 i40e_dbg_dump_veb_seid(pf, veb->seid); 943 } 944 } 945 946 /** 947 * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR 948 * @pf: the pf that would be altered 949 * @flag: flag that needs enabling or disabling 950 * @enable: Enable/disable FD SD/ATR 951 **/ 952 static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable) 953 { 954 if (enable) { 955 pf->flags |= flag; 956 } else { 957 pf->flags &= ~flag; 958 pf->auto_disable_flags |= flag; 959 } 960 dev_info(&pf->pdev->dev, "requesting a pf reset\n"); 961 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); 962 } 963 964 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 965 /** 966 * i40e_dbg_command_write - write into command datum 967 * @filp: the opened file 968 * @buffer: where to find the user's data 969 * @count: the length of the user's data 970 * @ppos: file position offset 971 **/ 972 static ssize_t i40e_dbg_command_write(struct file *filp, 973 const char __user *buffer, 974 size_t count, loff_t *ppos) 975 { 976 struct i40e_pf *pf = filp->private_data; 977 char *cmd_buf, *cmd_buf_tmp; 978 int bytes_not_copied; 979 struct i40e_vsi *vsi; 980 int vsi_seid; 981 int veb_seid; 982 int cnt; 983 984 /* don't allow partial writes */ 985 if (*ppos != 0) 986 return 0; 987 988 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 989 if (!cmd_buf) 990 return count; 991 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 992 if (bytes_not_copied < 0) { 993 kfree(cmd_buf); 994 return bytes_not_copied; 995 } 996 if (bytes_not_copied > 0) 997 count -= bytes_not_copied; 998 cmd_buf[count] = '\0'; 999 1000 cmd_buf_tmp = strchr(cmd_buf, '\n'); 1001 if (cmd_buf_tmp) { 1002 *cmd_buf_tmp = '\0'; 1003 count = cmd_buf_tmp - cmd_buf + 1; 1004 } 1005 1006 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 1007 vsi_seid = -1; 1008 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 1009 if (cnt == 0) { 1010 /* default to PF VSI */ 1011 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 1012 } else if (vsi_seid < 0) { 1013 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 1014 vsi_seid); 1015 goto command_write_done; 1016 } 1017 1018 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 1019 if (vsi) 1020 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 1021 vsi->seid, vsi->uplink_seid); 1022 else 1023 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 1024 1025 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 1026 sscanf(&cmd_buf[7], "%i", &vsi_seid); 1027 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1028 if (!vsi) { 1029 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 1030 vsi_seid); 1031 goto command_write_done; 1032 } 1033 1034 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 1035 i40e_vsi_release(vsi); 1036 1037 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 1038 struct i40e_veb *veb; 1039 int uplink_seid, i; 1040 1041 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 1042 if (cnt != 2) { 1043 dev_info(&pf->pdev->dev, 1044 "add relay: bad command string, cnt=%d\n", 1045 cnt); 1046 goto command_write_done; 1047 } else if (uplink_seid < 0) { 1048 dev_info(&pf->pdev->dev, 1049 "add relay %d: bad uplink seid\n", 1050 uplink_seid); 1051 goto command_write_done; 1052 } 1053 1054 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1055 if (!vsi) { 1056 dev_info(&pf->pdev->dev, 1057 "add relay: VSI %d not found\n", vsi_seid); 1058 goto command_write_done; 1059 } 1060 1061 for (i = 0; i < I40E_MAX_VEB; i++) 1062 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 1063 break; 1064 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 1065 uplink_seid != pf->mac_seid) { 1066 dev_info(&pf->pdev->dev, 1067 "add relay: relay uplink %d not found\n", 1068 uplink_seid); 1069 goto command_write_done; 1070 } 1071 1072 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 1073 vsi->tc_config.enabled_tc); 1074 if (veb) 1075 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 1076 else 1077 dev_info(&pf->pdev->dev, "add relay failed\n"); 1078 1079 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 1080 int i; 1081 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 1082 if (cnt != 1) { 1083 dev_info(&pf->pdev->dev, 1084 "del relay: bad command string, cnt=%d\n", 1085 cnt); 1086 goto command_write_done; 1087 } else if (veb_seid < 0) { 1088 dev_info(&pf->pdev->dev, 1089 "del relay %d: bad relay seid\n", veb_seid); 1090 goto command_write_done; 1091 } 1092 1093 /* find the veb */ 1094 for (i = 0; i < I40E_MAX_VEB; i++) 1095 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 1096 break; 1097 if (i >= I40E_MAX_VEB) { 1098 dev_info(&pf->pdev->dev, 1099 "del relay: relay %d not found\n", veb_seid); 1100 goto command_write_done; 1101 } 1102 1103 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 1104 i40e_veb_release(pf->veb[i]); 1105 1106 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { 1107 struct i40e_mac_filter *f; 1108 int vlan = 0; 1109 u8 ma[6]; 1110 int ret; 1111 1112 cnt = sscanf(&cmd_buf[11], 1113 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1114 &vsi_seid, 1115 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1116 &vlan); 1117 if (cnt == 7) { 1118 vlan = 0; 1119 } else if (cnt != 8) { 1120 dev_info(&pf->pdev->dev, 1121 "add macaddr: bad command string, cnt=%d\n", 1122 cnt); 1123 goto command_write_done; 1124 } 1125 1126 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1127 if (!vsi) { 1128 dev_info(&pf->pdev->dev, 1129 "add macaddr: VSI %d not found\n", vsi_seid); 1130 goto command_write_done; 1131 } 1132 1133 f = i40e_add_filter(vsi, ma, vlan, false, false); 1134 ret = i40e_sync_vsi_filters(vsi); 1135 if (f && !ret) 1136 dev_info(&pf->pdev->dev, 1137 "add macaddr: %pM vlan=%d added to VSI %d\n", 1138 ma, vlan, vsi_seid); 1139 else 1140 dev_info(&pf->pdev->dev, 1141 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", 1142 ma, vlan, vsi_seid, f, ret); 1143 1144 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { 1145 int vlan = 0; 1146 u8 ma[6]; 1147 int ret; 1148 1149 cnt = sscanf(&cmd_buf[11], 1150 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1151 &vsi_seid, 1152 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1153 &vlan); 1154 if (cnt == 7) { 1155 vlan = 0; 1156 } else if (cnt != 8) { 1157 dev_info(&pf->pdev->dev, 1158 "del macaddr: bad command string, cnt=%d\n", 1159 cnt); 1160 goto command_write_done; 1161 } 1162 1163 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1164 if (!vsi) { 1165 dev_info(&pf->pdev->dev, 1166 "del macaddr: VSI %d not found\n", vsi_seid); 1167 goto command_write_done; 1168 } 1169 1170 i40e_del_filter(vsi, ma, vlan, false, false); 1171 ret = i40e_sync_vsi_filters(vsi); 1172 if (!ret) 1173 dev_info(&pf->pdev->dev, 1174 "del macaddr: %pM vlan=%d removed from VSI %d\n", 1175 ma, vlan, vsi_seid); 1176 else 1177 dev_info(&pf->pdev->dev, 1178 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", 1179 ma, vlan, vsi_seid, ret); 1180 1181 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 1182 i40e_status ret; 1183 u16 vid; 1184 unsigned int v; 1185 1186 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 1187 if (cnt != 2) { 1188 dev_info(&pf->pdev->dev, 1189 "add pvid: bad command string, cnt=%d\n", cnt); 1190 goto command_write_done; 1191 } 1192 1193 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1194 if (!vsi) { 1195 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 1196 vsi_seid); 1197 goto command_write_done; 1198 } 1199 1200 vid = v; 1201 ret = i40e_vsi_add_pvid(vsi, vid); 1202 if (!ret) 1203 dev_info(&pf->pdev->dev, 1204 "add pvid: %d added to VSI %d\n", 1205 vid, vsi_seid); 1206 else 1207 dev_info(&pf->pdev->dev, 1208 "add pvid: %d to VSI %d failed, ret=%d\n", 1209 vid, vsi_seid, ret); 1210 1211 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 1212 1213 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1214 if (cnt != 1) { 1215 dev_info(&pf->pdev->dev, 1216 "del pvid: bad command string, cnt=%d\n", 1217 cnt); 1218 goto command_write_done; 1219 } 1220 1221 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1222 if (!vsi) { 1223 dev_info(&pf->pdev->dev, 1224 "del pvid: VSI %d not found\n", vsi_seid); 1225 goto command_write_done; 1226 } 1227 1228 i40e_vsi_remove_pvid(vsi); 1229 dev_info(&pf->pdev->dev, 1230 "del pvid: removed from VSI %d\n", vsi_seid); 1231 1232 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 1233 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 1234 i40e_fetch_switch_configuration(pf, true); 1235 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 1236 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1237 if (cnt > 0) 1238 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 1239 else 1240 i40e_dbg_dump_vsi_no_seid(pf); 1241 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 1242 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1243 if (cnt > 0) 1244 i40e_dbg_dump_veb_seid(pf, vsi_seid); 1245 else 1246 i40e_dbg_dump_veb_all(pf); 1247 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 1248 int ring_id, desc_n; 1249 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 1250 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1251 &vsi_seid, &ring_id, &desc_n); 1252 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1253 desc_n, pf, true); 1254 } else if (strncmp(&cmd_buf[10], "tx", 2) 1255 == 0) { 1256 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1257 &vsi_seid, &ring_id, &desc_n); 1258 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1259 desc_n, pf, false); 1260 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1261 i40e_dbg_dump_aq_desc(pf); 1262 } else { 1263 dev_info(&pf->pdev->dev, 1264 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1265 dev_info(&pf->pdev->dev, 1266 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1267 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1268 } 1269 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1270 dev_info(&pf->pdev->dev, 1271 "core reset count: %d\n", pf->corer_count); 1272 dev_info(&pf->pdev->dev, 1273 "global reset count: %d\n", pf->globr_count); 1274 dev_info(&pf->pdev->dev, 1275 "emp reset count: %d\n", pf->empr_count); 1276 dev_info(&pf->pdev->dev, 1277 "pf reset count: %d\n", pf->pfr_count); 1278 dev_info(&pf->pdev->dev, 1279 "pf tx sluggish count: %d\n", 1280 pf->tx_sluggish_count); 1281 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1282 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1283 struct i40e_dcbx_config *cfg = 1284 &pf->hw.local_dcbx_config; 1285 struct i40e_dcbx_config *r_cfg = 1286 &pf->hw.remote_dcbx_config; 1287 int i, ret; 1288 1289 bw_data = kzalloc(sizeof( 1290 struct i40e_aqc_query_port_ets_config_resp), 1291 GFP_KERNEL); 1292 if (!bw_data) { 1293 ret = -ENOMEM; 1294 goto command_write_done; 1295 } 1296 1297 ret = i40e_aq_query_port_ets_config(&pf->hw, 1298 pf->mac_seid, 1299 bw_data, NULL); 1300 if (ret) { 1301 dev_info(&pf->pdev->dev, 1302 "Query Port ETS Config AQ command failed =0x%x\n", 1303 pf->hw.aq.asq_last_status); 1304 kfree(bw_data); 1305 bw_data = NULL; 1306 goto command_write_done; 1307 } 1308 dev_info(&pf->pdev->dev, 1309 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1310 bw_data->tc_valid_bits, 1311 bw_data->tc_strict_priority_bits, 1312 le16_to_cpu(bw_data->tc_bw_max[0]), 1313 le16_to_cpu(bw_data->tc_bw_max[1])); 1314 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1315 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1316 bw_data->tc_bw_share_credits[i], 1317 le16_to_cpu(bw_data->tc_bw_limits[i])); 1318 } 1319 1320 kfree(bw_data); 1321 bw_data = NULL; 1322 1323 dev_info(&pf->pdev->dev, 1324 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1325 dev_info(&pf->pdev->dev, 1326 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1327 cfg->etscfg.willing, cfg->etscfg.cbs, 1328 cfg->etscfg.maxtcs); 1329 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1330 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1331 i, cfg->etscfg.prioritytable[i], 1332 cfg->etscfg.tcbwtable[i], 1333 cfg->etscfg.tsatable[i]); 1334 } 1335 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1336 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1337 i, cfg->etsrec.prioritytable[i], 1338 cfg->etsrec.tcbwtable[i], 1339 cfg->etsrec.tsatable[i]); 1340 } 1341 dev_info(&pf->pdev->dev, 1342 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1343 cfg->pfc.willing, cfg->pfc.mbc, 1344 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1345 dev_info(&pf->pdev->dev, 1346 "port app_table: num_apps=%d\n", cfg->numapps); 1347 for (i = 0; i < cfg->numapps; i++) { 1348 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1349 i, cfg->app[i].priority, 1350 cfg->app[i].selector, 1351 cfg->app[i].protocolid); 1352 } 1353 /* Peer TLV DCBX data */ 1354 dev_info(&pf->pdev->dev, 1355 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1356 r_cfg->etscfg.willing, 1357 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1358 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1359 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1360 i, r_cfg->etscfg.prioritytable[i], 1361 r_cfg->etscfg.tcbwtable[i], 1362 r_cfg->etscfg.tsatable[i]); 1363 } 1364 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1365 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1366 i, r_cfg->etsrec.prioritytable[i], 1367 r_cfg->etsrec.tcbwtable[i], 1368 r_cfg->etsrec.tsatable[i]); 1369 } 1370 dev_info(&pf->pdev->dev, 1371 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1372 r_cfg->pfc.willing, 1373 r_cfg->pfc.mbc, 1374 r_cfg->pfc.pfccap, 1375 r_cfg->pfc.pfcenable); 1376 dev_info(&pf->pdev->dev, 1377 "remote port app_table: num_apps=%d\n", 1378 r_cfg->numapps); 1379 for (i = 0; i < r_cfg->numapps; i++) { 1380 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1381 i, r_cfg->app[i].priority, 1382 r_cfg->app[i].selector, 1383 r_cfg->app[i].protocolid); 1384 } 1385 } else { 1386 dev_info(&pf->pdev->dev, 1387 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1388 dev_info(&pf->pdev->dev, "dump switch\n"); 1389 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1390 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1391 dev_info(&pf->pdev->dev, "dump port\n"); 1392 dev_info(&pf->pdev->dev, 1393 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1394 } 1395 1396 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1397 u32 level; 1398 cnt = sscanf(&cmd_buf[10], "%i", &level); 1399 if (cnt) { 1400 if (I40E_DEBUG_USER & level) { 1401 pf->hw.debug_mask = level; 1402 dev_info(&pf->pdev->dev, 1403 "set hw.debug_mask = 0x%08x\n", 1404 pf->hw.debug_mask); 1405 } 1406 pf->msg_enable = level; 1407 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1408 pf->msg_enable); 1409 } else { 1410 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1411 pf->msg_enable); 1412 } 1413 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1414 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1415 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); 1416 1417 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1418 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1419 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED)); 1420 1421 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1422 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1423 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED)); 1424 1425 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1426 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1427 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED)); 1428 1429 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1430 u32 address; 1431 u32 value; 1432 cnt = sscanf(&cmd_buf[4], "%i", &address); 1433 if (cnt != 1) { 1434 dev_info(&pf->pdev->dev, "read <reg>\n"); 1435 goto command_write_done; 1436 } 1437 1438 /* check the range on address */ 1439 if (address >= I40E_MAX_REGISTER) { 1440 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n", 1441 address); 1442 goto command_write_done; 1443 } 1444 1445 value = rd32(&pf->hw, address); 1446 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1447 address, value); 1448 1449 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1450 u32 address, value; 1451 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1452 if (cnt != 2) { 1453 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1454 goto command_write_done; 1455 } 1456 1457 /* check the range on address */ 1458 if (address >= I40E_MAX_REGISTER) { 1459 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n", 1460 address); 1461 goto command_write_done; 1462 } 1463 wr32(&pf->hw, address, value); 1464 value = rd32(&pf->hw, address); 1465 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1466 address, value); 1467 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1468 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1469 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1470 if (cnt == 0) { 1471 int i; 1472 for (i = 0; i < pf->num_alloc_vsi; i++) 1473 i40e_vsi_reset_stats(pf->vsi[i]); 1474 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1475 } else if (cnt == 1) { 1476 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1477 if (!vsi) { 1478 dev_info(&pf->pdev->dev, 1479 "clear_stats vsi: bad vsi %d\n", 1480 vsi_seid); 1481 goto command_write_done; 1482 } 1483 i40e_vsi_reset_stats(vsi); 1484 dev_info(&pf->pdev->dev, 1485 "vsi clear stats called for vsi %d\n", 1486 vsi_seid); 1487 } else { 1488 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1489 } 1490 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) { 1491 i40e_pf_reset_stats(pf); 1492 dev_info(&pf->pdev->dev, "pf clear stats called\n"); 1493 } else { 1494 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n"); 1495 } 1496 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1497 struct i40e_aq_desc *desc; 1498 i40e_status ret; 1499 1500 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1501 if (!desc) 1502 goto command_write_done; 1503 cnt = sscanf(&cmd_buf[11], 1504 "%hi %hi %hi %hi %i %i %i %i %i %i", 1505 &desc->flags, 1506 &desc->opcode, &desc->datalen, &desc->retval, 1507 &desc->cookie_high, &desc->cookie_low, 1508 &desc->params.internal.param0, 1509 &desc->params.internal.param1, 1510 &desc->params.internal.param2, 1511 &desc->params.internal.param3); 1512 if (cnt != 10) { 1513 dev_info(&pf->pdev->dev, 1514 "send aq_cmd: bad command string, cnt=%d\n", 1515 cnt); 1516 kfree(desc); 1517 desc = NULL; 1518 goto command_write_done; 1519 } 1520 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1521 if (!ret) { 1522 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1523 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1524 dev_info(&pf->pdev->dev, 1525 "AQ command send failed Opcode %x AQ Error: %d\n", 1526 desc->opcode, pf->hw.aq.asq_last_status); 1527 } else { 1528 dev_info(&pf->pdev->dev, 1529 "AQ command send failed Opcode %x Status: %d\n", 1530 desc->opcode, ret); 1531 } 1532 dev_info(&pf->pdev->dev, 1533 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1534 desc->flags, desc->opcode, desc->datalen, desc->retval, 1535 desc->cookie_high, desc->cookie_low, 1536 desc->params.internal.param0, 1537 desc->params.internal.param1, 1538 desc->params.internal.param2, 1539 desc->params.internal.param3); 1540 kfree(desc); 1541 desc = NULL; 1542 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1543 struct i40e_aq_desc *desc; 1544 i40e_status ret; 1545 u16 buffer_len; 1546 u8 *buff; 1547 1548 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1549 if (!desc) 1550 goto command_write_done; 1551 cnt = sscanf(&cmd_buf[20], 1552 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1553 &desc->flags, 1554 &desc->opcode, &desc->datalen, &desc->retval, 1555 &desc->cookie_high, &desc->cookie_low, 1556 &desc->params.internal.param0, 1557 &desc->params.internal.param1, 1558 &desc->params.internal.param2, 1559 &desc->params.internal.param3, 1560 &buffer_len); 1561 if (cnt != 11) { 1562 dev_info(&pf->pdev->dev, 1563 "send indirect aq_cmd: bad command string, cnt=%d\n", 1564 cnt); 1565 kfree(desc); 1566 desc = NULL; 1567 goto command_write_done; 1568 } 1569 /* Just stub a buffer big enough in case user messed up */ 1570 if (buffer_len == 0) 1571 buffer_len = 1280; 1572 1573 buff = kzalloc(buffer_len, GFP_KERNEL); 1574 if (!buff) { 1575 kfree(desc); 1576 desc = NULL; 1577 goto command_write_done; 1578 } 1579 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1580 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1581 buffer_len, NULL); 1582 if (!ret) { 1583 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1584 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1585 dev_info(&pf->pdev->dev, 1586 "AQ command send failed Opcode %x AQ Error: %d\n", 1587 desc->opcode, pf->hw.aq.asq_last_status); 1588 } else { 1589 dev_info(&pf->pdev->dev, 1590 "AQ command send failed Opcode %x Status: %d\n", 1591 desc->opcode, ret); 1592 } 1593 dev_info(&pf->pdev->dev, 1594 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1595 desc->flags, desc->opcode, desc->datalen, desc->retval, 1596 desc->cookie_high, desc->cookie_low, 1597 desc->params.internal.param0, 1598 desc->params.internal.param1, 1599 desc->params.internal.param2, 1600 desc->params.internal.param3); 1601 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1602 DUMP_PREFIX_OFFSET, 16, 1, 1603 buff, buffer_len, true); 1604 kfree(buff); 1605 buff = NULL; 1606 kfree(desc); 1607 desc = NULL; 1608 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || 1609 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { 1610 struct i40e_fdir_filter fd_data; 1611 u16 packet_len, i, j = 0; 1612 char *asc_packet; 1613 u8 *raw_packet; 1614 bool add = false; 1615 int ret; 1616 1617 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 1618 goto command_write_done; 1619 1620 if (strncmp(cmd_buf, "add", 3) == 0) 1621 add = true; 1622 1623 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) 1624 goto command_write_done; 1625 1626 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1627 GFP_KERNEL); 1628 if (!asc_packet) 1629 goto command_write_done; 1630 1631 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1632 GFP_KERNEL); 1633 1634 if (!raw_packet) { 1635 kfree(asc_packet); 1636 asc_packet = NULL; 1637 goto command_write_done; 1638 } 1639 1640 cnt = sscanf(&cmd_buf[13], 1641 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", 1642 &fd_data.q_index, 1643 &fd_data.flex_off, &fd_data.pctype, 1644 &fd_data.dest_vsi, &fd_data.dest_ctl, 1645 &fd_data.fd_status, &fd_data.cnt_index, 1646 &fd_data.fd_id, &packet_len, asc_packet); 1647 if (cnt != 10) { 1648 dev_info(&pf->pdev->dev, 1649 "program fd_filter: bad command string, cnt=%d\n", 1650 cnt); 1651 kfree(asc_packet); 1652 asc_packet = NULL; 1653 kfree(raw_packet); 1654 goto command_write_done; 1655 } 1656 1657 /* fix packet length if user entered 0 */ 1658 if (packet_len == 0) 1659 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; 1660 1661 /* make sure to check the max as well */ 1662 packet_len = min_t(u16, 1663 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); 1664 1665 for (i = 0; i < packet_len; i++) { 1666 sscanf(&asc_packet[j], "%2hhx ", 1667 &raw_packet[i]); 1668 j += 3; 1669 } 1670 dev_info(&pf->pdev->dev, "FD raw packet dump\n"); 1671 print_hex_dump(KERN_INFO, "FD raw packet: ", 1672 DUMP_PREFIX_OFFSET, 16, 1, 1673 raw_packet, packet_len, true); 1674 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); 1675 if (!ret) { 1676 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); 1677 } else { 1678 dev_info(&pf->pdev->dev, 1679 "Filter command send failed %d\n", ret); 1680 } 1681 kfree(raw_packet); 1682 raw_packet = NULL; 1683 kfree(asc_packet); 1684 asc_packet = NULL; 1685 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) { 1686 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false); 1687 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) { 1688 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true); 1689 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1690 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1691 i40e_get_current_fd_count(pf)); 1692 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1693 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1694 int ret; 1695 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1696 if (ret) { 1697 dev_info(&pf->pdev->dev, 1698 "Stop LLDP AQ command failed =0x%x\n", 1699 pf->hw.aq.asq_last_status); 1700 goto command_write_done; 1701 } 1702 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1703 pf->hw.mac.addr, 1704 I40E_ETH_P_LLDP, 0, 1705 pf->vsi[pf->lan_vsi]->seid, 1706 0, true, NULL, NULL); 1707 if (ret) { 1708 dev_info(&pf->pdev->dev, 1709 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1710 __func__, pf->hw.aq.asq_last_status); 1711 goto command_write_done; 1712 } 1713 #ifdef CONFIG_I40E_DCB 1714 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1715 DCB_CAP_DCBX_VER_IEEE; 1716 #endif /* CONFIG_I40E_DCB */ 1717 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1718 int ret; 1719 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1720 pf->hw.mac.addr, 1721 I40E_ETH_P_LLDP, 0, 1722 pf->vsi[pf->lan_vsi]->seid, 1723 0, false, NULL, NULL); 1724 if (ret) { 1725 dev_info(&pf->pdev->dev, 1726 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1727 __func__, pf->hw.aq.asq_last_status); 1728 /* Continue and start FW LLDP anyways */ 1729 } 1730 1731 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1732 if (ret) { 1733 dev_info(&pf->pdev->dev, 1734 "Start LLDP AQ command failed =0x%x\n", 1735 pf->hw.aq.asq_last_status); 1736 goto command_write_done; 1737 } 1738 #ifdef CONFIG_I40E_DCB 1739 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1740 DCB_CAP_DCBX_VER_IEEE; 1741 #endif /* CONFIG_I40E_DCB */ 1742 } else if (strncmp(&cmd_buf[5], 1743 "get local", 9) == 0) { 1744 u16 llen, rlen; 1745 int ret; 1746 u8 *buff; 1747 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1748 if (!buff) 1749 goto command_write_done; 1750 1751 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1752 I40E_AQ_LLDP_MIB_LOCAL, 1753 buff, I40E_LLDPDU_SIZE, 1754 &llen, &rlen, NULL); 1755 if (ret) { 1756 dev_info(&pf->pdev->dev, 1757 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1758 pf->hw.aq.asq_last_status); 1759 kfree(buff); 1760 buff = NULL; 1761 goto command_write_done; 1762 } 1763 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1764 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1765 DUMP_PREFIX_OFFSET, 16, 1, 1766 buff, I40E_LLDPDU_SIZE, true); 1767 kfree(buff); 1768 buff = NULL; 1769 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1770 u16 llen, rlen; 1771 int ret; 1772 u8 *buff; 1773 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1774 if (!buff) 1775 goto command_write_done; 1776 1777 ret = i40e_aq_get_lldp_mib(&pf->hw, 1778 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1779 I40E_AQ_LLDP_MIB_REMOTE, 1780 buff, I40E_LLDPDU_SIZE, 1781 &llen, &rlen, NULL); 1782 if (ret) { 1783 dev_info(&pf->pdev->dev, 1784 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1785 pf->hw.aq.asq_last_status); 1786 kfree(buff); 1787 buff = NULL; 1788 goto command_write_done; 1789 } 1790 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1791 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1792 DUMP_PREFIX_OFFSET, 16, 1, 1793 buff, I40E_LLDPDU_SIZE, true); 1794 kfree(buff); 1795 buff = NULL; 1796 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1797 int ret; 1798 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1799 true, NULL); 1800 if (ret) { 1801 dev_info(&pf->pdev->dev, 1802 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1803 pf->hw.aq.asq_last_status); 1804 goto command_write_done; 1805 } 1806 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1807 int ret; 1808 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1809 false, NULL); 1810 if (ret) { 1811 dev_info(&pf->pdev->dev, 1812 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1813 pf->hw.aq.asq_last_status); 1814 goto command_write_done; 1815 } 1816 } 1817 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1818 u16 buffer_len, bytes; 1819 u16 module; 1820 u32 offset; 1821 u16 *buff; 1822 int ret; 1823 1824 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1825 &module, &offset, &buffer_len); 1826 if (cnt == 0) { 1827 module = 0; 1828 offset = 0; 1829 buffer_len = 0; 1830 } else if (cnt == 1) { 1831 offset = 0; 1832 buffer_len = 0; 1833 } else if (cnt == 2) { 1834 buffer_len = 0; 1835 } else if (cnt > 3) { 1836 dev_info(&pf->pdev->dev, 1837 "nvm read: bad command string, cnt=%d\n", cnt); 1838 goto command_write_done; 1839 } 1840 1841 /* set the max length */ 1842 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1843 1844 bytes = 2 * buffer_len; 1845 1846 /* read at least 1k bytes, no more than 4kB */ 1847 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1848 buff = kzalloc(bytes, GFP_KERNEL); 1849 if (!buff) 1850 goto command_write_done; 1851 1852 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1853 if (ret) { 1854 dev_info(&pf->pdev->dev, 1855 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1856 ret, pf->hw.aq.asq_last_status); 1857 kfree(buff); 1858 goto command_write_done; 1859 } 1860 1861 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1862 bytes, (u8 *)buff, true, NULL); 1863 i40e_release_nvm(&pf->hw); 1864 if (ret) { 1865 dev_info(&pf->pdev->dev, 1866 "Read NVM AQ failed err=%d status=0x%x\n", 1867 ret, pf->hw.aq.asq_last_status); 1868 } else { 1869 dev_info(&pf->pdev->dev, 1870 "Read NVM module=0x%x offset=0x%x words=%d\n", 1871 module, offset, buffer_len); 1872 if (bytes) 1873 print_hex_dump(KERN_INFO, "NVM Dump: ", 1874 DUMP_PREFIX_OFFSET, 16, 2, 1875 buff, bytes, true); 1876 } 1877 kfree(buff); 1878 buff = NULL; 1879 } else { 1880 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1881 dev_info(&pf->pdev->dev, "available commands\n"); 1882 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1883 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1884 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1885 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1886 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1887 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1888 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1889 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1890 dev_info(&pf->pdev->dev, " dump switch\n"); 1891 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1892 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1893 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1894 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1895 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1896 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1897 dev_info(&pf->pdev->dev, " read <reg>\n"); 1898 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1899 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1900 dev_info(&pf->pdev->dev, " clear_stats pf\n"); 1901 dev_info(&pf->pdev->dev, " pfr\n"); 1902 dev_info(&pf->pdev->dev, " corer\n"); 1903 dev_info(&pf->pdev->dev, " globr\n"); 1904 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1905 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1906 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"); 1907 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"); 1908 dev_info(&pf->pdev->dev, " fd-atr off\n"); 1909 dev_info(&pf->pdev->dev, " fd-atr on\n"); 1910 dev_info(&pf->pdev->dev, " fd current cnt"); 1911 dev_info(&pf->pdev->dev, " lldp start\n"); 1912 dev_info(&pf->pdev->dev, " lldp stop\n"); 1913 dev_info(&pf->pdev->dev, " lldp get local\n"); 1914 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1915 dev_info(&pf->pdev->dev, " lldp event on\n"); 1916 dev_info(&pf->pdev->dev, " lldp event off\n"); 1917 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1918 } 1919 1920 command_write_done: 1921 kfree(cmd_buf); 1922 cmd_buf = NULL; 1923 return count; 1924 } 1925 1926 static const struct file_operations i40e_dbg_command_fops = { 1927 .owner = THIS_MODULE, 1928 .open = simple_open, 1929 .read = i40e_dbg_command_read, 1930 .write = i40e_dbg_command_write, 1931 }; 1932 1933 /************************************************************** 1934 * netdev_ops 1935 * The netdev_ops entry in debugfs is for giving the driver commands 1936 * to be executed from the netdev operations. 1937 **************************************************************/ 1938 static char i40e_dbg_netdev_ops_buf[256] = "hello world"; 1939 1940 /** 1941 * i40e_dbg_netdev_ops - read for netdev_ops datum 1942 * @filp: the opened file 1943 * @buffer: where to write the data for the user to read 1944 * @count: the size of the user's buffer 1945 * @ppos: file position offset 1946 **/ 1947 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1948 size_t count, loff_t *ppos) 1949 { 1950 struct i40e_pf *pf = filp->private_data; 1951 int bytes_not_copied; 1952 int buf_size = 256; 1953 char *buf; 1954 int len; 1955 1956 /* don't allow partal reads */ 1957 if (*ppos != 0) 1958 return 0; 1959 if (count < buf_size) 1960 return -ENOSPC; 1961 1962 buf = kzalloc(buf_size, GFP_KERNEL); 1963 if (!buf) 1964 return -ENOSPC; 1965 1966 len = snprintf(buf, buf_size, "%s: %s\n", 1967 pf->vsi[pf->lan_vsi]->netdev->name, 1968 i40e_dbg_netdev_ops_buf); 1969 1970 bytes_not_copied = copy_to_user(buffer, buf, len); 1971 kfree(buf); 1972 1973 if (bytes_not_copied < 0) 1974 return bytes_not_copied; 1975 1976 *ppos = len; 1977 return len; 1978 } 1979 1980 /** 1981 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1982 * @filp: the opened file 1983 * @buffer: where to find the user's data 1984 * @count: the length of the user's data 1985 * @ppos: file position offset 1986 **/ 1987 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1988 const char __user *buffer, 1989 size_t count, loff_t *ppos) 1990 { 1991 struct i40e_pf *pf = filp->private_data; 1992 int bytes_not_copied; 1993 struct i40e_vsi *vsi; 1994 char *buf_tmp; 1995 int vsi_seid; 1996 int i, cnt; 1997 1998 /* don't allow partial writes */ 1999 if (*ppos != 0) 2000 return 0; 2001 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 2002 return -ENOSPC; 2003 2004 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 2005 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 2006 buffer, count); 2007 if (bytes_not_copied < 0) 2008 return bytes_not_copied; 2009 else if (bytes_not_copied > 0) 2010 count -= bytes_not_copied; 2011 i40e_dbg_netdev_ops_buf[count] = '\0'; 2012 2013 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 2014 if (buf_tmp) { 2015 *buf_tmp = '\0'; 2016 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 2017 } 2018 2019 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 2020 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2021 if (cnt != 1) { 2022 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 2023 goto netdev_ops_write_done; 2024 } 2025 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2026 if (!vsi) { 2027 dev_info(&pf->pdev->dev, 2028 "tx_timeout: VSI %d not found\n", vsi_seid); 2029 } else if (!vsi->netdev) { 2030 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 2031 vsi_seid); 2032 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 2033 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 2034 vsi_seid); 2035 } else if (rtnl_trylock()) { 2036 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 2037 rtnl_unlock(); 2038 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 2039 } else { 2040 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2041 } 2042 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 2043 int mtu; 2044 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 2045 &vsi_seid, &mtu); 2046 if (cnt != 2) { 2047 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 2048 goto netdev_ops_write_done; 2049 } 2050 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2051 if (!vsi) { 2052 dev_info(&pf->pdev->dev, 2053 "change_mtu: VSI %d not found\n", vsi_seid); 2054 } else if (!vsi->netdev) { 2055 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 2056 vsi_seid); 2057 } else if (rtnl_trylock()) { 2058 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 2059 mtu); 2060 rtnl_unlock(); 2061 dev_info(&pf->pdev->dev, "change_mtu called\n"); 2062 } else { 2063 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2064 } 2065 2066 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 2067 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2068 if (cnt != 1) { 2069 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 2070 goto netdev_ops_write_done; 2071 } 2072 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2073 if (!vsi) { 2074 dev_info(&pf->pdev->dev, 2075 "set_rx_mode: VSI %d not found\n", vsi_seid); 2076 } else if (!vsi->netdev) { 2077 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 2078 vsi_seid); 2079 } else if (rtnl_trylock()) { 2080 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 2081 rtnl_unlock(); 2082 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 2083 } else { 2084 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2085 } 2086 2087 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 2088 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 2089 if (cnt != 1) { 2090 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 2091 goto netdev_ops_write_done; 2092 } 2093 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2094 if (!vsi) { 2095 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 2096 vsi_seid); 2097 } else if (!vsi->netdev) { 2098 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 2099 vsi_seid); 2100 } else { 2101 for (i = 0; i < vsi->num_q_vectors; i++) 2102 napi_schedule(&vsi->q_vectors[i]->napi); 2103 dev_info(&pf->pdev->dev, "napi called\n"); 2104 } 2105 } else { 2106 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 2107 i40e_dbg_netdev_ops_buf); 2108 dev_info(&pf->pdev->dev, "available commands\n"); 2109 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 2110 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 2111 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 2112 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 2113 } 2114 netdev_ops_write_done: 2115 return count; 2116 } 2117 2118 static const struct file_operations i40e_dbg_netdev_ops_fops = { 2119 .owner = THIS_MODULE, 2120 .open = simple_open, 2121 .read = i40e_dbg_netdev_ops_read, 2122 .write = i40e_dbg_netdev_ops_write, 2123 }; 2124 2125 /** 2126 * i40e_dbg_pf_init - setup the debugfs directory for the pf 2127 * @pf: the pf that is starting up 2128 **/ 2129 void i40e_dbg_pf_init(struct i40e_pf *pf) 2130 { 2131 struct dentry *pfile; 2132 const char *name = pci_name(pf->pdev); 2133 const struct device *dev = &pf->pdev->dev; 2134 2135 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 2136 if (!pf->i40e_dbg_pf) 2137 return; 2138 2139 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 2140 &i40e_dbg_command_fops); 2141 if (!pfile) 2142 goto create_failed; 2143 2144 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, 2145 &i40e_dbg_dump_fops); 2146 if (!pfile) 2147 goto create_failed; 2148 2149 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 2150 &i40e_dbg_netdev_ops_fops); 2151 if (!pfile) 2152 goto create_failed; 2153 2154 return; 2155 2156 create_failed: 2157 dev_info(dev, "debugfs dir/file for %s failed\n", name); 2158 debugfs_remove_recursive(pf->i40e_dbg_pf); 2159 return; 2160 } 2161 2162 /** 2163 * i40e_dbg_pf_exit - clear out the pf's debugfs entries 2164 * @pf: the pf that is stopping 2165 **/ 2166 void i40e_dbg_pf_exit(struct i40e_pf *pf) 2167 { 2168 debugfs_remove_recursive(pf->i40e_dbg_pf); 2169 pf->i40e_dbg_pf = NULL; 2170 2171 kfree(i40e_dbg_dump_buf); 2172 i40e_dbg_dump_buf = NULL; 2173 } 2174 2175 /** 2176 * i40e_dbg_init - start up debugfs for the driver 2177 **/ 2178 void i40e_dbg_init(void) 2179 { 2180 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 2181 if (!i40e_dbg_root) 2182 pr_info("init of debugfs failed\n"); 2183 } 2184 2185 /** 2186 * i40e_dbg_exit - clean out the driver's debugfs entries 2187 **/ 2188 void i40e_dbg_exit(void) 2189 { 2190 debugfs_remove_recursive(i40e_dbg_root); 2191 i40e_dbg_root = NULL; 2192 } 2193 2194 #endif /* CONFIG_DEBUG_FS */ 2195