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 return bytes_not_copied; 994 if (bytes_not_copied > 0) 995 count -= bytes_not_copied; 996 cmd_buf[count] = '\0'; 997 998 cmd_buf_tmp = strchr(cmd_buf, '\n'); 999 if (cmd_buf_tmp) { 1000 *cmd_buf_tmp = '\0'; 1001 count = cmd_buf_tmp - cmd_buf + 1; 1002 } 1003 1004 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 1005 vsi_seid = -1; 1006 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 1007 if (cnt == 0) { 1008 /* default to PF VSI */ 1009 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 1010 } else if (vsi_seid < 0) { 1011 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 1012 vsi_seid); 1013 goto command_write_done; 1014 } 1015 1016 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 1017 if (vsi) 1018 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 1019 vsi->seid, vsi->uplink_seid); 1020 else 1021 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 1022 1023 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 1024 sscanf(&cmd_buf[7], "%i", &vsi_seid); 1025 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1026 if (!vsi) { 1027 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 1028 vsi_seid); 1029 goto command_write_done; 1030 } 1031 1032 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 1033 i40e_vsi_release(vsi); 1034 1035 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 1036 struct i40e_veb *veb; 1037 int uplink_seid, i; 1038 1039 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 1040 if (cnt != 2) { 1041 dev_info(&pf->pdev->dev, 1042 "add relay: bad command string, cnt=%d\n", 1043 cnt); 1044 goto command_write_done; 1045 } else if (uplink_seid < 0) { 1046 dev_info(&pf->pdev->dev, 1047 "add relay %d: bad uplink seid\n", 1048 uplink_seid); 1049 goto command_write_done; 1050 } 1051 1052 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1053 if (!vsi) { 1054 dev_info(&pf->pdev->dev, 1055 "add relay: VSI %d not found\n", vsi_seid); 1056 goto command_write_done; 1057 } 1058 1059 for (i = 0; i < I40E_MAX_VEB; i++) 1060 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 1061 break; 1062 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 1063 uplink_seid != pf->mac_seid) { 1064 dev_info(&pf->pdev->dev, 1065 "add relay: relay uplink %d not found\n", 1066 uplink_seid); 1067 goto command_write_done; 1068 } 1069 1070 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 1071 vsi->tc_config.enabled_tc); 1072 if (veb) 1073 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 1074 else 1075 dev_info(&pf->pdev->dev, "add relay failed\n"); 1076 1077 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 1078 int i; 1079 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 1080 if (cnt != 1) { 1081 dev_info(&pf->pdev->dev, 1082 "del relay: bad command string, cnt=%d\n", 1083 cnt); 1084 goto command_write_done; 1085 } else if (veb_seid < 0) { 1086 dev_info(&pf->pdev->dev, 1087 "del relay %d: bad relay seid\n", veb_seid); 1088 goto command_write_done; 1089 } 1090 1091 /* find the veb */ 1092 for (i = 0; i < I40E_MAX_VEB; i++) 1093 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 1094 break; 1095 if (i >= I40E_MAX_VEB) { 1096 dev_info(&pf->pdev->dev, 1097 "del relay: relay %d not found\n", veb_seid); 1098 goto command_write_done; 1099 } 1100 1101 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 1102 i40e_veb_release(pf->veb[i]); 1103 1104 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { 1105 struct i40e_mac_filter *f; 1106 int vlan = 0; 1107 u8 ma[6]; 1108 int ret; 1109 1110 cnt = sscanf(&cmd_buf[11], 1111 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1112 &vsi_seid, 1113 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1114 &vlan); 1115 if (cnt == 7) { 1116 vlan = 0; 1117 } else if (cnt != 8) { 1118 dev_info(&pf->pdev->dev, 1119 "add macaddr: bad command string, cnt=%d\n", 1120 cnt); 1121 goto command_write_done; 1122 } 1123 1124 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1125 if (!vsi) { 1126 dev_info(&pf->pdev->dev, 1127 "add macaddr: VSI %d not found\n", vsi_seid); 1128 goto command_write_done; 1129 } 1130 1131 f = i40e_add_filter(vsi, ma, vlan, false, false); 1132 ret = i40e_sync_vsi_filters(vsi); 1133 if (f && !ret) 1134 dev_info(&pf->pdev->dev, 1135 "add macaddr: %pM vlan=%d added to VSI %d\n", 1136 ma, vlan, vsi_seid); 1137 else 1138 dev_info(&pf->pdev->dev, 1139 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", 1140 ma, vlan, vsi_seid, f, ret); 1141 1142 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { 1143 int vlan = 0; 1144 u8 ma[6]; 1145 int ret; 1146 1147 cnt = sscanf(&cmd_buf[11], 1148 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1149 &vsi_seid, 1150 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1151 &vlan); 1152 if (cnt == 7) { 1153 vlan = 0; 1154 } else if (cnt != 8) { 1155 dev_info(&pf->pdev->dev, 1156 "del macaddr: bad command string, cnt=%d\n", 1157 cnt); 1158 goto command_write_done; 1159 } 1160 1161 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1162 if (!vsi) { 1163 dev_info(&pf->pdev->dev, 1164 "del macaddr: VSI %d not found\n", vsi_seid); 1165 goto command_write_done; 1166 } 1167 1168 i40e_del_filter(vsi, ma, vlan, false, false); 1169 ret = i40e_sync_vsi_filters(vsi); 1170 if (!ret) 1171 dev_info(&pf->pdev->dev, 1172 "del macaddr: %pM vlan=%d removed from VSI %d\n", 1173 ma, vlan, vsi_seid); 1174 else 1175 dev_info(&pf->pdev->dev, 1176 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", 1177 ma, vlan, vsi_seid, ret); 1178 1179 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 1180 i40e_status ret; 1181 u16 vid; 1182 unsigned int v; 1183 1184 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 1185 if (cnt != 2) { 1186 dev_info(&pf->pdev->dev, 1187 "add pvid: bad command string, cnt=%d\n", cnt); 1188 goto command_write_done; 1189 } 1190 1191 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1192 if (!vsi) { 1193 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 1194 vsi_seid); 1195 goto command_write_done; 1196 } 1197 1198 vid = v; 1199 ret = i40e_vsi_add_pvid(vsi, vid); 1200 if (!ret) 1201 dev_info(&pf->pdev->dev, 1202 "add pvid: %d added to VSI %d\n", 1203 vid, vsi_seid); 1204 else 1205 dev_info(&pf->pdev->dev, 1206 "add pvid: %d to VSI %d failed, ret=%d\n", 1207 vid, vsi_seid, ret); 1208 1209 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 1210 1211 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1212 if (cnt != 1) { 1213 dev_info(&pf->pdev->dev, 1214 "del pvid: bad command string, cnt=%d\n", 1215 cnt); 1216 goto command_write_done; 1217 } 1218 1219 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1220 if (!vsi) { 1221 dev_info(&pf->pdev->dev, 1222 "del pvid: VSI %d not found\n", vsi_seid); 1223 goto command_write_done; 1224 } 1225 1226 i40e_vsi_remove_pvid(vsi); 1227 dev_info(&pf->pdev->dev, 1228 "del pvid: removed from VSI %d\n", vsi_seid); 1229 1230 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 1231 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 1232 i40e_fetch_switch_configuration(pf, true); 1233 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 1234 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1235 if (cnt > 0) 1236 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 1237 else 1238 i40e_dbg_dump_vsi_no_seid(pf); 1239 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 1240 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1241 if (cnt > 0) 1242 i40e_dbg_dump_veb_seid(pf, vsi_seid); 1243 else 1244 i40e_dbg_dump_veb_all(pf); 1245 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 1246 int ring_id, desc_n; 1247 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 1248 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1249 &vsi_seid, &ring_id, &desc_n); 1250 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1251 desc_n, pf, true); 1252 } else if (strncmp(&cmd_buf[10], "tx", 2) 1253 == 0) { 1254 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1255 &vsi_seid, &ring_id, &desc_n); 1256 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1257 desc_n, pf, false); 1258 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1259 i40e_dbg_dump_aq_desc(pf); 1260 } else { 1261 dev_info(&pf->pdev->dev, 1262 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1263 dev_info(&pf->pdev->dev, 1264 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1265 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1266 } 1267 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1268 dev_info(&pf->pdev->dev, 1269 "core reset count: %d\n", pf->corer_count); 1270 dev_info(&pf->pdev->dev, 1271 "global reset count: %d\n", pf->globr_count); 1272 dev_info(&pf->pdev->dev, 1273 "emp reset count: %d\n", pf->empr_count); 1274 dev_info(&pf->pdev->dev, 1275 "pf reset count: %d\n", pf->pfr_count); 1276 dev_info(&pf->pdev->dev, 1277 "pf tx sluggish count: %d\n", 1278 pf->tx_sluggish_count); 1279 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1280 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1281 struct i40e_dcbx_config *cfg = 1282 &pf->hw.local_dcbx_config; 1283 struct i40e_dcbx_config *r_cfg = 1284 &pf->hw.remote_dcbx_config; 1285 int i, ret; 1286 1287 bw_data = kzalloc(sizeof( 1288 struct i40e_aqc_query_port_ets_config_resp), 1289 GFP_KERNEL); 1290 if (!bw_data) { 1291 ret = -ENOMEM; 1292 goto command_write_done; 1293 } 1294 1295 ret = i40e_aq_query_port_ets_config(&pf->hw, 1296 pf->mac_seid, 1297 bw_data, NULL); 1298 if (ret) { 1299 dev_info(&pf->pdev->dev, 1300 "Query Port ETS Config AQ command failed =0x%x\n", 1301 pf->hw.aq.asq_last_status); 1302 kfree(bw_data); 1303 bw_data = NULL; 1304 goto command_write_done; 1305 } 1306 dev_info(&pf->pdev->dev, 1307 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1308 bw_data->tc_valid_bits, 1309 bw_data->tc_strict_priority_bits, 1310 le16_to_cpu(bw_data->tc_bw_max[0]), 1311 le16_to_cpu(bw_data->tc_bw_max[1])); 1312 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1313 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1314 bw_data->tc_bw_share_credits[i], 1315 le16_to_cpu(bw_data->tc_bw_limits[i])); 1316 } 1317 1318 kfree(bw_data); 1319 bw_data = NULL; 1320 1321 dev_info(&pf->pdev->dev, 1322 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1323 dev_info(&pf->pdev->dev, 1324 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1325 cfg->etscfg.willing, cfg->etscfg.cbs, 1326 cfg->etscfg.maxtcs); 1327 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1328 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1329 i, cfg->etscfg.prioritytable[i], 1330 cfg->etscfg.tcbwtable[i], 1331 cfg->etscfg.tsatable[i]); 1332 } 1333 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1334 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1335 i, cfg->etsrec.prioritytable[i], 1336 cfg->etsrec.tcbwtable[i], 1337 cfg->etsrec.tsatable[i]); 1338 } 1339 dev_info(&pf->pdev->dev, 1340 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1341 cfg->pfc.willing, cfg->pfc.mbc, 1342 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1343 dev_info(&pf->pdev->dev, 1344 "port app_table: num_apps=%d\n", cfg->numapps); 1345 for (i = 0; i < cfg->numapps; i++) { 1346 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1347 i, cfg->app[i].priority, 1348 cfg->app[i].selector, 1349 cfg->app[i].protocolid); 1350 } 1351 /* Peer TLV DCBX data */ 1352 dev_info(&pf->pdev->dev, 1353 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1354 r_cfg->etscfg.willing, 1355 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1356 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1357 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1358 i, r_cfg->etscfg.prioritytable[i], 1359 r_cfg->etscfg.tcbwtable[i], 1360 r_cfg->etscfg.tsatable[i]); 1361 } 1362 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1363 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1364 i, r_cfg->etsrec.prioritytable[i], 1365 r_cfg->etsrec.tcbwtable[i], 1366 r_cfg->etsrec.tsatable[i]); 1367 } 1368 dev_info(&pf->pdev->dev, 1369 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1370 r_cfg->pfc.willing, 1371 r_cfg->pfc.mbc, 1372 r_cfg->pfc.pfccap, 1373 r_cfg->pfc.pfcenable); 1374 dev_info(&pf->pdev->dev, 1375 "remote port app_table: num_apps=%d\n", 1376 r_cfg->numapps); 1377 for (i = 0; i < r_cfg->numapps; i++) { 1378 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1379 i, r_cfg->app[i].priority, 1380 r_cfg->app[i].selector, 1381 r_cfg->app[i].protocolid); 1382 } 1383 } else { 1384 dev_info(&pf->pdev->dev, 1385 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1386 dev_info(&pf->pdev->dev, "dump switch\n"); 1387 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1388 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1389 dev_info(&pf->pdev->dev, "dump port\n"); 1390 dev_info(&pf->pdev->dev, 1391 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1392 } 1393 1394 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1395 u32 level; 1396 cnt = sscanf(&cmd_buf[10], "%i", &level); 1397 if (cnt) { 1398 if (I40E_DEBUG_USER & level) { 1399 pf->hw.debug_mask = level; 1400 dev_info(&pf->pdev->dev, 1401 "set hw.debug_mask = 0x%08x\n", 1402 pf->hw.debug_mask); 1403 } 1404 pf->msg_enable = level; 1405 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1406 pf->msg_enable); 1407 } else { 1408 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1409 pf->msg_enable); 1410 } 1411 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1412 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1413 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); 1414 1415 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1416 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1417 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED)); 1418 1419 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1420 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1421 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED)); 1422 1423 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1424 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1425 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED)); 1426 1427 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1428 u32 address; 1429 u32 value; 1430 cnt = sscanf(&cmd_buf[4], "%i", &address); 1431 if (cnt != 1) { 1432 dev_info(&pf->pdev->dev, "read <reg>\n"); 1433 goto command_write_done; 1434 } 1435 1436 /* check the range on address */ 1437 if (address >= I40E_MAX_REGISTER) { 1438 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n", 1439 address); 1440 goto command_write_done; 1441 } 1442 1443 value = rd32(&pf->hw, address); 1444 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1445 address, value); 1446 1447 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1448 u32 address, value; 1449 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1450 if (cnt != 2) { 1451 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1452 goto command_write_done; 1453 } 1454 1455 /* check the range on address */ 1456 if (address >= I40E_MAX_REGISTER) { 1457 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n", 1458 address); 1459 goto command_write_done; 1460 } 1461 wr32(&pf->hw, address, value); 1462 value = rd32(&pf->hw, address); 1463 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1464 address, value); 1465 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1466 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1467 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1468 if (cnt == 0) { 1469 int i; 1470 for (i = 0; i < pf->num_alloc_vsi; i++) 1471 i40e_vsi_reset_stats(pf->vsi[i]); 1472 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1473 } else if (cnt == 1) { 1474 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1475 if (!vsi) { 1476 dev_info(&pf->pdev->dev, 1477 "clear_stats vsi: bad vsi %d\n", 1478 vsi_seid); 1479 goto command_write_done; 1480 } 1481 i40e_vsi_reset_stats(vsi); 1482 dev_info(&pf->pdev->dev, 1483 "vsi clear stats called for vsi %d\n", 1484 vsi_seid); 1485 } else { 1486 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1487 } 1488 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) { 1489 i40e_pf_reset_stats(pf); 1490 dev_info(&pf->pdev->dev, "pf clear stats called\n"); 1491 } else { 1492 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n"); 1493 } 1494 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1495 struct i40e_aq_desc *desc; 1496 i40e_status ret; 1497 1498 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1499 if (!desc) 1500 goto command_write_done; 1501 cnt = sscanf(&cmd_buf[11], 1502 "%hi %hi %hi %hi %i %i %i %i %i %i", 1503 &desc->flags, 1504 &desc->opcode, &desc->datalen, &desc->retval, 1505 &desc->cookie_high, &desc->cookie_low, 1506 &desc->params.internal.param0, 1507 &desc->params.internal.param1, 1508 &desc->params.internal.param2, 1509 &desc->params.internal.param3); 1510 if (cnt != 10) { 1511 dev_info(&pf->pdev->dev, 1512 "send aq_cmd: bad command string, cnt=%d\n", 1513 cnt); 1514 kfree(desc); 1515 desc = NULL; 1516 goto command_write_done; 1517 } 1518 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1519 if (!ret) { 1520 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1521 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1522 dev_info(&pf->pdev->dev, 1523 "AQ command send failed Opcode %x AQ Error: %d\n", 1524 desc->opcode, pf->hw.aq.asq_last_status); 1525 } else { 1526 dev_info(&pf->pdev->dev, 1527 "AQ command send failed Opcode %x Status: %d\n", 1528 desc->opcode, ret); 1529 } 1530 dev_info(&pf->pdev->dev, 1531 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1532 desc->flags, desc->opcode, desc->datalen, desc->retval, 1533 desc->cookie_high, desc->cookie_low, 1534 desc->params.internal.param0, 1535 desc->params.internal.param1, 1536 desc->params.internal.param2, 1537 desc->params.internal.param3); 1538 kfree(desc); 1539 desc = NULL; 1540 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1541 struct i40e_aq_desc *desc; 1542 i40e_status ret; 1543 u16 buffer_len; 1544 u8 *buff; 1545 1546 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1547 if (!desc) 1548 goto command_write_done; 1549 cnt = sscanf(&cmd_buf[20], 1550 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1551 &desc->flags, 1552 &desc->opcode, &desc->datalen, &desc->retval, 1553 &desc->cookie_high, &desc->cookie_low, 1554 &desc->params.internal.param0, 1555 &desc->params.internal.param1, 1556 &desc->params.internal.param2, 1557 &desc->params.internal.param3, 1558 &buffer_len); 1559 if (cnt != 11) { 1560 dev_info(&pf->pdev->dev, 1561 "send indirect aq_cmd: bad command string, cnt=%d\n", 1562 cnt); 1563 kfree(desc); 1564 desc = NULL; 1565 goto command_write_done; 1566 } 1567 /* Just stub a buffer big enough in case user messed up */ 1568 if (buffer_len == 0) 1569 buffer_len = 1280; 1570 1571 buff = kzalloc(buffer_len, GFP_KERNEL); 1572 if (!buff) { 1573 kfree(desc); 1574 desc = NULL; 1575 goto command_write_done; 1576 } 1577 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1578 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1579 buffer_len, NULL); 1580 if (!ret) { 1581 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1582 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1583 dev_info(&pf->pdev->dev, 1584 "AQ command send failed Opcode %x AQ Error: %d\n", 1585 desc->opcode, pf->hw.aq.asq_last_status); 1586 } else { 1587 dev_info(&pf->pdev->dev, 1588 "AQ command send failed Opcode %x Status: %d\n", 1589 desc->opcode, ret); 1590 } 1591 dev_info(&pf->pdev->dev, 1592 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1593 desc->flags, desc->opcode, desc->datalen, desc->retval, 1594 desc->cookie_high, desc->cookie_low, 1595 desc->params.internal.param0, 1596 desc->params.internal.param1, 1597 desc->params.internal.param2, 1598 desc->params.internal.param3); 1599 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1600 DUMP_PREFIX_OFFSET, 16, 1, 1601 buff, buffer_len, true); 1602 kfree(buff); 1603 buff = NULL; 1604 kfree(desc); 1605 desc = NULL; 1606 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || 1607 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { 1608 struct i40e_fdir_filter fd_data; 1609 u16 packet_len, i, j = 0; 1610 char *asc_packet; 1611 u8 *raw_packet; 1612 bool add = false; 1613 int ret; 1614 1615 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 1616 goto command_write_done; 1617 1618 if (strncmp(cmd_buf, "add", 3) == 0) 1619 add = true; 1620 1621 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) 1622 goto command_write_done; 1623 1624 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1625 GFP_KERNEL); 1626 if (!asc_packet) 1627 goto command_write_done; 1628 1629 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1630 GFP_KERNEL); 1631 1632 if (!raw_packet) { 1633 kfree(asc_packet); 1634 asc_packet = NULL; 1635 goto command_write_done; 1636 } 1637 1638 cnt = sscanf(&cmd_buf[13], 1639 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", 1640 &fd_data.q_index, 1641 &fd_data.flex_off, &fd_data.pctype, 1642 &fd_data.dest_vsi, &fd_data.dest_ctl, 1643 &fd_data.fd_status, &fd_data.cnt_index, 1644 &fd_data.fd_id, &packet_len, asc_packet); 1645 if (cnt != 10) { 1646 dev_info(&pf->pdev->dev, 1647 "program fd_filter: bad command string, cnt=%d\n", 1648 cnt); 1649 kfree(asc_packet); 1650 asc_packet = NULL; 1651 kfree(raw_packet); 1652 goto command_write_done; 1653 } 1654 1655 /* fix packet length if user entered 0 */ 1656 if (packet_len == 0) 1657 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; 1658 1659 /* make sure to check the max as well */ 1660 packet_len = min_t(u16, 1661 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); 1662 1663 for (i = 0; i < packet_len; i++) { 1664 sscanf(&asc_packet[j], "%2hhx ", 1665 &raw_packet[i]); 1666 j += 3; 1667 } 1668 dev_info(&pf->pdev->dev, "FD raw packet dump\n"); 1669 print_hex_dump(KERN_INFO, "FD raw packet: ", 1670 DUMP_PREFIX_OFFSET, 16, 1, 1671 raw_packet, packet_len, true); 1672 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); 1673 if (!ret) { 1674 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); 1675 } else { 1676 dev_info(&pf->pdev->dev, 1677 "Filter command send failed %d\n", ret); 1678 } 1679 kfree(raw_packet); 1680 raw_packet = NULL; 1681 kfree(asc_packet); 1682 asc_packet = NULL; 1683 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) { 1684 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false); 1685 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) { 1686 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true); 1687 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1688 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1689 i40e_get_current_fd_count(pf)); 1690 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1691 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1692 int ret; 1693 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1694 if (ret) { 1695 dev_info(&pf->pdev->dev, 1696 "Stop LLDP AQ command failed =0x%x\n", 1697 pf->hw.aq.asq_last_status); 1698 goto command_write_done; 1699 } 1700 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1701 pf->hw.mac.addr, 1702 I40E_ETH_P_LLDP, 0, 1703 pf->vsi[pf->lan_vsi]->seid, 1704 0, true, NULL, NULL); 1705 if (ret) { 1706 dev_info(&pf->pdev->dev, 1707 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1708 __func__, pf->hw.aq.asq_last_status); 1709 goto command_write_done; 1710 } 1711 #ifdef CONFIG_I40E_DCB 1712 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1713 DCB_CAP_DCBX_VER_IEEE; 1714 #endif /* CONFIG_I40E_DCB */ 1715 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1716 int ret; 1717 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1718 pf->hw.mac.addr, 1719 I40E_ETH_P_LLDP, 0, 1720 pf->vsi[pf->lan_vsi]->seid, 1721 0, false, NULL, NULL); 1722 if (ret) { 1723 dev_info(&pf->pdev->dev, 1724 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1725 __func__, pf->hw.aq.asq_last_status); 1726 /* Continue and start FW LLDP anyways */ 1727 } 1728 1729 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1730 if (ret) { 1731 dev_info(&pf->pdev->dev, 1732 "Start LLDP AQ command failed =0x%x\n", 1733 pf->hw.aq.asq_last_status); 1734 goto command_write_done; 1735 } 1736 #ifdef CONFIG_I40E_DCB 1737 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1738 DCB_CAP_DCBX_VER_IEEE; 1739 #endif /* CONFIG_I40E_DCB */ 1740 } else if (strncmp(&cmd_buf[5], 1741 "get local", 9) == 0) { 1742 u16 llen, rlen; 1743 int ret; 1744 u8 *buff; 1745 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1746 if (!buff) 1747 goto command_write_done; 1748 1749 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1750 I40E_AQ_LLDP_MIB_LOCAL, 1751 buff, I40E_LLDPDU_SIZE, 1752 &llen, &rlen, NULL); 1753 if (ret) { 1754 dev_info(&pf->pdev->dev, 1755 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1756 pf->hw.aq.asq_last_status); 1757 kfree(buff); 1758 buff = NULL; 1759 goto command_write_done; 1760 } 1761 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1762 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1763 DUMP_PREFIX_OFFSET, 16, 1, 1764 buff, I40E_LLDPDU_SIZE, true); 1765 kfree(buff); 1766 buff = NULL; 1767 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1768 u16 llen, rlen; 1769 int ret; 1770 u8 *buff; 1771 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1772 if (!buff) 1773 goto command_write_done; 1774 1775 ret = i40e_aq_get_lldp_mib(&pf->hw, 1776 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1777 I40E_AQ_LLDP_MIB_REMOTE, 1778 buff, I40E_LLDPDU_SIZE, 1779 &llen, &rlen, NULL); 1780 if (ret) { 1781 dev_info(&pf->pdev->dev, 1782 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1783 pf->hw.aq.asq_last_status); 1784 kfree(buff); 1785 buff = NULL; 1786 goto command_write_done; 1787 } 1788 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1789 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1790 DUMP_PREFIX_OFFSET, 16, 1, 1791 buff, I40E_LLDPDU_SIZE, true); 1792 kfree(buff); 1793 buff = NULL; 1794 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1795 int ret; 1796 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1797 true, NULL); 1798 if (ret) { 1799 dev_info(&pf->pdev->dev, 1800 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1801 pf->hw.aq.asq_last_status); 1802 goto command_write_done; 1803 } 1804 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1805 int ret; 1806 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1807 false, NULL); 1808 if (ret) { 1809 dev_info(&pf->pdev->dev, 1810 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1811 pf->hw.aq.asq_last_status); 1812 goto command_write_done; 1813 } 1814 } 1815 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1816 u16 buffer_len, bytes; 1817 u16 module; 1818 u32 offset; 1819 u16 *buff; 1820 int ret; 1821 1822 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1823 &module, &offset, &buffer_len); 1824 if (cnt == 0) { 1825 module = 0; 1826 offset = 0; 1827 buffer_len = 0; 1828 } else if (cnt == 1) { 1829 offset = 0; 1830 buffer_len = 0; 1831 } else if (cnt == 2) { 1832 buffer_len = 0; 1833 } else if (cnt > 3) { 1834 dev_info(&pf->pdev->dev, 1835 "nvm read: bad command string, cnt=%d\n", cnt); 1836 goto command_write_done; 1837 } 1838 1839 /* set the max length */ 1840 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1841 1842 bytes = 2 * buffer_len; 1843 1844 /* read at least 1k bytes, no more than 4kB */ 1845 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1846 buff = kzalloc(bytes, GFP_KERNEL); 1847 if (!buff) 1848 goto command_write_done; 1849 1850 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1851 if (ret) { 1852 dev_info(&pf->pdev->dev, 1853 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1854 ret, pf->hw.aq.asq_last_status); 1855 kfree(buff); 1856 goto command_write_done; 1857 } 1858 1859 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1860 bytes, (u8 *)buff, true, NULL); 1861 i40e_release_nvm(&pf->hw); 1862 if (ret) { 1863 dev_info(&pf->pdev->dev, 1864 "Read NVM AQ failed err=%d status=0x%x\n", 1865 ret, pf->hw.aq.asq_last_status); 1866 } else { 1867 dev_info(&pf->pdev->dev, 1868 "Read NVM module=0x%x offset=0x%x words=%d\n", 1869 module, offset, buffer_len); 1870 if (bytes) 1871 print_hex_dump(KERN_INFO, "NVM Dump: ", 1872 DUMP_PREFIX_OFFSET, 16, 2, 1873 buff, bytes, true); 1874 } 1875 kfree(buff); 1876 buff = NULL; 1877 } else { 1878 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1879 dev_info(&pf->pdev->dev, "available commands\n"); 1880 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1881 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1882 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1883 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1884 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1885 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1886 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1887 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1888 dev_info(&pf->pdev->dev, " dump switch\n"); 1889 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1890 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1891 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1892 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1893 dev_info(&pf->pdev->dev, " dump stats\n"); 1894 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1895 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1896 dev_info(&pf->pdev->dev, " read <reg>\n"); 1897 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1898 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1899 dev_info(&pf->pdev->dev, " clear_stats pf\n"); 1900 dev_info(&pf->pdev->dev, " pfr\n"); 1901 dev_info(&pf->pdev->dev, " corer\n"); 1902 dev_info(&pf->pdev->dev, " globr\n"); 1903 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1904 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1905 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"); 1906 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"); 1907 dev_info(&pf->pdev->dev, " fd-atr off\n"); 1908 dev_info(&pf->pdev->dev, " fd-atr on\n"); 1909 dev_info(&pf->pdev->dev, " fd current cnt"); 1910 dev_info(&pf->pdev->dev, " lldp start\n"); 1911 dev_info(&pf->pdev->dev, " lldp stop\n"); 1912 dev_info(&pf->pdev->dev, " lldp get local\n"); 1913 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1914 dev_info(&pf->pdev->dev, " lldp event on\n"); 1915 dev_info(&pf->pdev->dev, " lldp event off\n"); 1916 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1917 } 1918 1919 command_write_done: 1920 kfree(cmd_buf); 1921 cmd_buf = NULL; 1922 return count; 1923 } 1924 1925 static const struct file_operations i40e_dbg_command_fops = { 1926 .owner = THIS_MODULE, 1927 .open = simple_open, 1928 .read = i40e_dbg_command_read, 1929 .write = i40e_dbg_command_write, 1930 }; 1931 1932 /************************************************************** 1933 * netdev_ops 1934 * The netdev_ops entry in debugfs is for giving the driver commands 1935 * to be executed from the netdev operations. 1936 **************************************************************/ 1937 static char i40e_dbg_netdev_ops_buf[256] = "hello world"; 1938 1939 /** 1940 * i40e_dbg_netdev_ops - read for netdev_ops datum 1941 * @filp: the opened file 1942 * @buffer: where to write the data for the user to read 1943 * @count: the size of the user's buffer 1944 * @ppos: file position offset 1945 **/ 1946 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1947 size_t count, loff_t *ppos) 1948 { 1949 struct i40e_pf *pf = filp->private_data; 1950 int bytes_not_copied; 1951 int buf_size = 256; 1952 char *buf; 1953 int len; 1954 1955 /* don't allow partal reads */ 1956 if (*ppos != 0) 1957 return 0; 1958 if (count < buf_size) 1959 return -ENOSPC; 1960 1961 buf = kzalloc(buf_size, GFP_KERNEL); 1962 if (!buf) 1963 return -ENOSPC; 1964 1965 len = snprintf(buf, buf_size, "%s: %s\n", 1966 pf->vsi[pf->lan_vsi]->netdev->name, 1967 i40e_dbg_netdev_ops_buf); 1968 1969 bytes_not_copied = copy_to_user(buffer, buf, len); 1970 kfree(buf); 1971 1972 if (bytes_not_copied < 0) 1973 return bytes_not_copied; 1974 1975 *ppos = len; 1976 return len; 1977 } 1978 1979 /** 1980 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1981 * @filp: the opened file 1982 * @buffer: where to find the user's data 1983 * @count: the length of the user's data 1984 * @ppos: file position offset 1985 **/ 1986 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1987 const char __user *buffer, 1988 size_t count, loff_t *ppos) 1989 { 1990 struct i40e_pf *pf = filp->private_data; 1991 int bytes_not_copied; 1992 struct i40e_vsi *vsi; 1993 char *buf_tmp; 1994 int vsi_seid; 1995 int i, cnt; 1996 1997 /* don't allow partial writes */ 1998 if (*ppos != 0) 1999 return 0; 2000 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 2001 return -ENOSPC; 2002 2003 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 2004 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 2005 buffer, count); 2006 if (bytes_not_copied < 0) 2007 return bytes_not_copied; 2008 else if (bytes_not_copied > 0) 2009 count -= bytes_not_copied; 2010 i40e_dbg_netdev_ops_buf[count] = '\0'; 2011 2012 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 2013 if (buf_tmp) { 2014 *buf_tmp = '\0'; 2015 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 2016 } 2017 2018 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 2019 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2020 if (cnt != 1) { 2021 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 2022 goto netdev_ops_write_done; 2023 } 2024 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2025 if (!vsi) { 2026 dev_info(&pf->pdev->dev, 2027 "tx_timeout: VSI %d not found\n", vsi_seid); 2028 } else if (!vsi->netdev) { 2029 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 2030 vsi_seid); 2031 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 2032 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 2033 vsi_seid); 2034 } else if (rtnl_trylock()) { 2035 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 2036 rtnl_unlock(); 2037 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 2038 } else { 2039 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2040 } 2041 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 2042 int mtu; 2043 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 2044 &vsi_seid, &mtu); 2045 if (cnt != 2) { 2046 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 2047 goto netdev_ops_write_done; 2048 } 2049 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2050 if (!vsi) { 2051 dev_info(&pf->pdev->dev, 2052 "change_mtu: VSI %d not found\n", vsi_seid); 2053 } else if (!vsi->netdev) { 2054 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 2055 vsi_seid); 2056 } else if (rtnl_trylock()) { 2057 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 2058 mtu); 2059 rtnl_unlock(); 2060 dev_info(&pf->pdev->dev, "change_mtu called\n"); 2061 } else { 2062 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2063 } 2064 2065 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 2066 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2067 if (cnt != 1) { 2068 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 2069 goto netdev_ops_write_done; 2070 } 2071 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2072 if (!vsi) { 2073 dev_info(&pf->pdev->dev, 2074 "set_rx_mode: VSI %d not found\n", vsi_seid); 2075 } else if (!vsi->netdev) { 2076 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 2077 vsi_seid); 2078 } else if (rtnl_trylock()) { 2079 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 2080 rtnl_unlock(); 2081 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 2082 } else { 2083 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2084 } 2085 2086 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 2087 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 2088 if (cnt != 1) { 2089 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 2090 goto netdev_ops_write_done; 2091 } 2092 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2093 if (!vsi) { 2094 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 2095 vsi_seid); 2096 } else if (!vsi->netdev) { 2097 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 2098 vsi_seid); 2099 } else { 2100 for (i = 0; i < vsi->num_q_vectors; i++) 2101 napi_schedule(&vsi->q_vectors[i]->napi); 2102 dev_info(&pf->pdev->dev, "napi called\n"); 2103 } 2104 } else { 2105 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 2106 i40e_dbg_netdev_ops_buf); 2107 dev_info(&pf->pdev->dev, "available commands\n"); 2108 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 2109 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 2110 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 2111 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 2112 } 2113 netdev_ops_write_done: 2114 return count; 2115 } 2116 2117 static const struct file_operations i40e_dbg_netdev_ops_fops = { 2118 .owner = THIS_MODULE, 2119 .open = simple_open, 2120 .read = i40e_dbg_netdev_ops_read, 2121 .write = i40e_dbg_netdev_ops_write, 2122 }; 2123 2124 /** 2125 * i40e_dbg_pf_init - setup the debugfs directory for the pf 2126 * @pf: the pf that is starting up 2127 **/ 2128 void i40e_dbg_pf_init(struct i40e_pf *pf) 2129 { 2130 struct dentry *pfile; 2131 const char *name = pci_name(pf->pdev); 2132 const struct device *dev = &pf->pdev->dev; 2133 2134 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 2135 if (!pf->i40e_dbg_pf) 2136 return; 2137 2138 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 2139 &i40e_dbg_command_fops); 2140 if (!pfile) 2141 goto create_failed; 2142 2143 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, 2144 &i40e_dbg_dump_fops); 2145 if (!pfile) 2146 goto create_failed; 2147 2148 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 2149 &i40e_dbg_netdev_ops_fops); 2150 if (!pfile) 2151 goto create_failed; 2152 2153 return; 2154 2155 create_failed: 2156 dev_info(dev, "debugfs dir/file for %s failed\n", name); 2157 debugfs_remove_recursive(pf->i40e_dbg_pf); 2158 return; 2159 } 2160 2161 /** 2162 * i40e_dbg_pf_exit - clear out the pf's debugfs entries 2163 * @pf: the pf that is stopping 2164 **/ 2165 void i40e_dbg_pf_exit(struct i40e_pf *pf) 2166 { 2167 debugfs_remove_recursive(pf->i40e_dbg_pf); 2168 pf->i40e_dbg_pf = NULL; 2169 2170 kfree(i40e_dbg_dump_buf); 2171 i40e_dbg_dump_buf = NULL; 2172 } 2173 2174 /** 2175 * i40e_dbg_init - start up debugfs for the driver 2176 **/ 2177 void i40e_dbg_init(void) 2178 { 2179 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 2180 if (!i40e_dbg_root) 2181 pr_info("init of debugfs failed\n"); 2182 } 2183 2184 /** 2185 * i40e_dbg_exit - clean out the driver's debugfs entries 2186 **/ 2187 void i40e_dbg_exit(void) 2188 { 2189 debugfs_remove_recursive(i40e_dbg_root); 2190 i40e_dbg_root = NULL; 2191 } 2192 2193 #endif /* CONFIG_DEBUG_FS */ 2194