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 return; 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 kfree(ring); 859 } 860 861 /** 862 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 863 * @pf: the i40e_pf created in command write 864 **/ 865 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 866 { 867 int i; 868 869 for (i = 0; i < pf->num_alloc_vsi; i++) 870 if (pf->vsi[i]) 871 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 872 i, pf->vsi[i]->seid); 873 } 874 875 /** 876 * i40e_dbg_dump_stats - handles dump stats write into command datum 877 * @pf: the i40e_pf created in command write 878 * @estats: the eth stats structure to be dumped 879 **/ 880 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 881 struct i40e_eth_stats *estats) 882 { 883 dev_info(&pf->pdev->dev, " ethstats:\n"); 884 dev_info(&pf->pdev->dev, 885 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 886 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 887 dev_info(&pf->pdev->dev, 888 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 889 estats->rx_broadcast, estats->rx_discards); 890 dev_info(&pf->pdev->dev, 891 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 892 estats->rx_unknown_protocol, estats->tx_bytes); 893 dev_info(&pf->pdev->dev, 894 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 895 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 896 dev_info(&pf->pdev->dev, 897 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 898 estats->tx_discards, estats->tx_errors); 899 } 900 901 /** 902 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 903 * @pf: the i40e_pf created in command write 904 * @seid: the seid the user put in 905 **/ 906 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 907 { 908 struct i40e_veb *veb; 909 910 if ((seid < I40E_BASE_VEB_SEID) || 911 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) { 912 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 913 return; 914 } 915 916 veb = i40e_dbg_find_veb(pf, seid); 917 if (!veb) { 918 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 919 return; 920 } 921 dev_info(&pf->pdev->dev, 922 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d\n", 923 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 924 veb->uplink_seid); 925 i40e_dbg_dump_eth_stats(pf, &veb->stats); 926 } 927 928 /** 929 * i40e_dbg_dump_veb_all - dumps all known veb's stats 930 * @pf: the i40e_pf created in command write 931 **/ 932 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 933 { 934 struct i40e_veb *veb; 935 int i; 936 937 for (i = 0; i < I40E_MAX_VEB; i++) { 938 veb = pf->veb[i]; 939 if (veb) 940 i40e_dbg_dump_veb_seid(pf, veb->seid); 941 } 942 } 943 944 /** 945 * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR 946 * @pf: the pf that would be altered 947 * @flag: flag that needs enabling or disabling 948 * @enable: Enable/disable FD SD/ATR 949 **/ 950 static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable) 951 { 952 if (enable) { 953 pf->flags |= flag; 954 } else { 955 pf->flags &= ~flag; 956 pf->auto_disable_flags |= flag; 957 } 958 dev_info(&pf->pdev->dev, "requesting a pf reset\n"); 959 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); 960 } 961 962 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 963 /** 964 * i40e_dbg_command_write - write into command datum 965 * @filp: the opened file 966 * @buffer: where to find the user's data 967 * @count: the length of the user's data 968 * @ppos: file position offset 969 **/ 970 static ssize_t i40e_dbg_command_write(struct file *filp, 971 const char __user *buffer, 972 size_t count, loff_t *ppos) 973 { 974 struct i40e_pf *pf = filp->private_data; 975 char *cmd_buf, *cmd_buf_tmp; 976 int bytes_not_copied; 977 struct i40e_vsi *vsi; 978 int vsi_seid; 979 int veb_seid; 980 int cnt; 981 982 /* don't allow partial writes */ 983 if (*ppos != 0) 984 return 0; 985 986 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 987 if (!cmd_buf) 988 return count; 989 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 990 if (bytes_not_copied < 0) 991 return bytes_not_copied; 992 if (bytes_not_copied > 0) 993 count -= bytes_not_copied; 994 cmd_buf[count] = '\0'; 995 996 cmd_buf_tmp = strchr(cmd_buf, '\n'); 997 if (cmd_buf_tmp) { 998 *cmd_buf_tmp = '\0'; 999 count = cmd_buf_tmp - cmd_buf + 1; 1000 } 1001 1002 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 1003 vsi_seid = -1; 1004 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 1005 if (cnt == 0) { 1006 /* default to PF VSI */ 1007 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 1008 } else if (vsi_seid < 0) { 1009 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 1010 vsi_seid); 1011 goto command_write_done; 1012 } 1013 1014 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 1015 if (vsi) 1016 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 1017 vsi->seid, vsi->uplink_seid); 1018 else 1019 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 1020 1021 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 1022 sscanf(&cmd_buf[7], "%i", &vsi_seid); 1023 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1024 if (!vsi) { 1025 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 1026 vsi_seid); 1027 goto command_write_done; 1028 } 1029 1030 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 1031 i40e_vsi_release(vsi); 1032 1033 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 1034 struct i40e_veb *veb; 1035 int uplink_seid, i; 1036 1037 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 1038 if (cnt != 2) { 1039 dev_info(&pf->pdev->dev, 1040 "add relay: bad command string, cnt=%d\n", 1041 cnt); 1042 goto command_write_done; 1043 } else if (uplink_seid < 0) { 1044 dev_info(&pf->pdev->dev, 1045 "add relay %d: bad uplink seid\n", 1046 uplink_seid); 1047 goto command_write_done; 1048 } 1049 1050 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1051 if (!vsi) { 1052 dev_info(&pf->pdev->dev, 1053 "add relay: VSI %d not found\n", vsi_seid); 1054 goto command_write_done; 1055 } 1056 1057 for (i = 0; i < I40E_MAX_VEB; i++) 1058 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 1059 break; 1060 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 1061 uplink_seid != pf->mac_seid) { 1062 dev_info(&pf->pdev->dev, 1063 "add relay: relay uplink %d not found\n", 1064 uplink_seid); 1065 goto command_write_done; 1066 } 1067 1068 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 1069 vsi->tc_config.enabled_tc); 1070 if (veb) 1071 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 1072 else 1073 dev_info(&pf->pdev->dev, "add relay failed\n"); 1074 1075 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 1076 int i; 1077 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 1078 if (cnt != 1) { 1079 dev_info(&pf->pdev->dev, 1080 "del relay: bad command string, cnt=%d\n", 1081 cnt); 1082 goto command_write_done; 1083 } else if (veb_seid < 0) { 1084 dev_info(&pf->pdev->dev, 1085 "del relay %d: bad relay seid\n", veb_seid); 1086 goto command_write_done; 1087 } 1088 1089 /* find the veb */ 1090 for (i = 0; i < I40E_MAX_VEB; i++) 1091 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 1092 break; 1093 if (i >= I40E_MAX_VEB) { 1094 dev_info(&pf->pdev->dev, 1095 "del relay: relay %d not found\n", veb_seid); 1096 goto command_write_done; 1097 } 1098 1099 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 1100 i40e_veb_release(pf->veb[i]); 1101 1102 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { 1103 struct i40e_mac_filter *f; 1104 int vlan = 0; 1105 u8 ma[6]; 1106 int ret; 1107 1108 cnt = sscanf(&cmd_buf[11], 1109 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1110 &vsi_seid, 1111 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1112 &vlan); 1113 if (cnt == 7) { 1114 vlan = 0; 1115 } else if (cnt != 8) { 1116 dev_info(&pf->pdev->dev, 1117 "add macaddr: bad command string, cnt=%d\n", 1118 cnt); 1119 goto command_write_done; 1120 } 1121 1122 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1123 if (!vsi) { 1124 dev_info(&pf->pdev->dev, 1125 "add macaddr: VSI %d not found\n", vsi_seid); 1126 goto command_write_done; 1127 } 1128 1129 f = i40e_add_filter(vsi, ma, vlan, false, false); 1130 ret = i40e_sync_vsi_filters(vsi); 1131 if (f && !ret) 1132 dev_info(&pf->pdev->dev, 1133 "add macaddr: %pM vlan=%d added to VSI %d\n", 1134 ma, vlan, vsi_seid); 1135 else 1136 dev_info(&pf->pdev->dev, 1137 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", 1138 ma, vlan, vsi_seid, f, ret); 1139 1140 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { 1141 int vlan = 0; 1142 u8 ma[6]; 1143 int ret; 1144 1145 cnt = sscanf(&cmd_buf[11], 1146 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1147 &vsi_seid, 1148 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1149 &vlan); 1150 if (cnt == 7) { 1151 vlan = 0; 1152 } else if (cnt != 8) { 1153 dev_info(&pf->pdev->dev, 1154 "del macaddr: bad command string, cnt=%d\n", 1155 cnt); 1156 goto command_write_done; 1157 } 1158 1159 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1160 if (!vsi) { 1161 dev_info(&pf->pdev->dev, 1162 "del macaddr: VSI %d not found\n", vsi_seid); 1163 goto command_write_done; 1164 } 1165 1166 i40e_del_filter(vsi, ma, vlan, false, false); 1167 ret = i40e_sync_vsi_filters(vsi); 1168 if (!ret) 1169 dev_info(&pf->pdev->dev, 1170 "del macaddr: %pM vlan=%d removed from VSI %d\n", 1171 ma, vlan, vsi_seid); 1172 else 1173 dev_info(&pf->pdev->dev, 1174 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", 1175 ma, vlan, vsi_seid, ret); 1176 1177 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 1178 i40e_status ret; 1179 u16 vid; 1180 unsigned int v; 1181 1182 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 1183 if (cnt != 2) { 1184 dev_info(&pf->pdev->dev, 1185 "add pvid: bad command string, cnt=%d\n", cnt); 1186 goto command_write_done; 1187 } 1188 1189 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1190 if (!vsi) { 1191 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 1192 vsi_seid); 1193 goto command_write_done; 1194 } 1195 1196 vid = v; 1197 ret = i40e_vsi_add_pvid(vsi, vid); 1198 if (!ret) 1199 dev_info(&pf->pdev->dev, 1200 "add pvid: %d added to VSI %d\n", 1201 vid, vsi_seid); 1202 else 1203 dev_info(&pf->pdev->dev, 1204 "add pvid: %d to VSI %d failed, ret=%d\n", 1205 vid, vsi_seid, ret); 1206 1207 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 1208 1209 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1210 if (cnt != 1) { 1211 dev_info(&pf->pdev->dev, 1212 "del pvid: bad command string, cnt=%d\n", 1213 cnt); 1214 goto command_write_done; 1215 } 1216 1217 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1218 if (!vsi) { 1219 dev_info(&pf->pdev->dev, 1220 "del pvid: VSI %d not found\n", vsi_seid); 1221 goto command_write_done; 1222 } 1223 1224 i40e_vsi_remove_pvid(vsi); 1225 dev_info(&pf->pdev->dev, 1226 "del pvid: removed from VSI %d\n", vsi_seid); 1227 1228 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 1229 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 1230 i40e_fetch_switch_configuration(pf, true); 1231 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 1232 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1233 if (cnt > 0) 1234 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 1235 else 1236 i40e_dbg_dump_vsi_no_seid(pf); 1237 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 1238 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1239 if (cnt > 0) 1240 i40e_dbg_dump_veb_seid(pf, vsi_seid); 1241 else 1242 i40e_dbg_dump_veb_all(pf); 1243 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 1244 int ring_id, desc_n; 1245 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 1246 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1247 &vsi_seid, &ring_id, &desc_n); 1248 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1249 desc_n, pf, true); 1250 } else if (strncmp(&cmd_buf[10], "tx", 2) 1251 == 0) { 1252 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1253 &vsi_seid, &ring_id, &desc_n); 1254 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1255 desc_n, pf, false); 1256 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1257 i40e_dbg_dump_aq_desc(pf); 1258 } else { 1259 dev_info(&pf->pdev->dev, 1260 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1261 dev_info(&pf->pdev->dev, 1262 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1263 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1264 } 1265 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1266 dev_info(&pf->pdev->dev, 1267 "core reset count: %d\n", pf->corer_count); 1268 dev_info(&pf->pdev->dev, 1269 "global reset count: %d\n", pf->globr_count); 1270 dev_info(&pf->pdev->dev, 1271 "emp reset count: %d\n", pf->empr_count); 1272 dev_info(&pf->pdev->dev, 1273 "pf reset count: %d\n", pf->pfr_count); 1274 dev_info(&pf->pdev->dev, 1275 "pf tx sluggish count: %d\n", 1276 pf->tx_sluggish_count); 1277 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1278 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1279 struct i40e_dcbx_config *cfg = 1280 &pf->hw.local_dcbx_config; 1281 struct i40e_dcbx_config *r_cfg = 1282 &pf->hw.remote_dcbx_config; 1283 int i, ret; 1284 1285 bw_data = kzalloc(sizeof( 1286 struct i40e_aqc_query_port_ets_config_resp), 1287 GFP_KERNEL); 1288 if (!bw_data) { 1289 ret = -ENOMEM; 1290 goto command_write_done; 1291 } 1292 1293 ret = i40e_aq_query_port_ets_config(&pf->hw, 1294 pf->mac_seid, 1295 bw_data, NULL); 1296 if (ret) { 1297 dev_info(&pf->pdev->dev, 1298 "Query Port ETS Config AQ command failed =0x%x\n", 1299 pf->hw.aq.asq_last_status); 1300 kfree(bw_data); 1301 bw_data = NULL; 1302 goto command_write_done; 1303 } 1304 dev_info(&pf->pdev->dev, 1305 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1306 bw_data->tc_valid_bits, 1307 bw_data->tc_strict_priority_bits, 1308 le16_to_cpu(bw_data->tc_bw_max[0]), 1309 le16_to_cpu(bw_data->tc_bw_max[1])); 1310 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1311 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1312 bw_data->tc_bw_share_credits[i], 1313 le16_to_cpu(bw_data->tc_bw_limits[i])); 1314 } 1315 1316 kfree(bw_data); 1317 bw_data = NULL; 1318 1319 dev_info(&pf->pdev->dev, 1320 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1321 dev_info(&pf->pdev->dev, 1322 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1323 cfg->etscfg.willing, cfg->etscfg.cbs, 1324 cfg->etscfg.maxtcs); 1325 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1326 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1327 i, cfg->etscfg.prioritytable[i], 1328 cfg->etscfg.tcbwtable[i], 1329 cfg->etscfg.tsatable[i]); 1330 } 1331 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1332 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1333 i, cfg->etsrec.prioritytable[i], 1334 cfg->etsrec.tcbwtable[i], 1335 cfg->etsrec.tsatable[i]); 1336 } 1337 dev_info(&pf->pdev->dev, 1338 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1339 cfg->pfc.willing, cfg->pfc.mbc, 1340 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1341 dev_info(&pf->pdev->dev, 1342 "port app_table: num_apps=%d\n", cfg->numapps); 1343 for (i = 0; i < cfg->numapps; i++) { 1344 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1345 i, cfg->app[i].priority, 1346 cfg->app[i].selector, 1347 cfg->app[i].protocolid); 1348 } 1349 /* Peer TLV DCBX data */ 1350 dev_info(&pf->pdev->dev, 1351 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1352 r_cfg->etscfg.willing, 1353 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1354 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1355 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1356 i, r_cfg->etscfg.prioritytable[i], 1357 r_cfg->etscfg.tcbwtable[i], 1358 r_cfg->etscfg.tsatable[i]); 1359 } 1360 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1361 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1362 i, r_cfg->etsrec.prioritytable[i], 1363 r_cfg->etsrec.tcbwtable[i], 1364 r_cfg->etsrec.tsatable[i]); 1365 } 1366 dev_info(&pf->pdev->dev, 1367 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1368 r_cfg->pfc.willing, 1369 r_cfg->pfc.mbc, 1370 r_cfg->pfc.pfccap, 1371 r_cfg->pfc.pfcenable); 1372 dev_info(&pf->pdev->dev, 1373 "remote port app_table: num_apps=%d\n", 1374 r_cfg->numapps); 1375 for (i = 0; i < r_cfg->numapps; i++) { 1376 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1377 i, r_cfg->app[i].priority, 1378 r_cfg->app[i].selector, 1379 r_cfg->app[i].protocolid); 1380 } 1381 } else { 1382 dev_info(&pf->pdev->dev, 1383 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1384 dev_info(&pf->pdev->dev, "dump switch\n"); 1385 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1386 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1387 dev_info(&pf->pdev->dev, "dump port\n"); 1388 dev_info(&pf->pdev->dev, 1389 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1390 } 1391 1392 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1393 u32 level; 1394 cnt = sscanf(&cmd_buf[10], "%i", &level); 1395 if (cnt) { 1396 if (I40E_DEBUG_USER & level) { 1397 pf->hw.debug_mask = level; 1398 dev_info(&pf->pdev->dev, 1399 "set hw.debug_mask = 0x%08x\n", 1400 pf->hw.debug_mask); 1401 } 1402 pf->msg_enable = level; 1403 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1404 pf->msg_enable); 1405 } else { 1406 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1407 pf->msg_enable); 1408 } 1409 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1410 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1411 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); 1412 1413 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1414 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1415 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED)); 1416 1417 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1418 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1419 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED)); 1420 1421 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1422 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1423 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED)); 1424 1425 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1426 u32 address; 1427 u32 value; 1428 cnt = sscanf(&cmd_buf[4], "%i", &address); 1429 if (cnt != 1) { 1430 dev_info(&pf->pdev->dev, "read <reg>\n"); 1431 goto command_write_done; 1432 } 1433 1434 /* check the range on address */ 1435 if (address >= I40E_MAX_REGISTER) { 1436 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n", 1437 address); 1438 goto command_write_done; 1439 } 1440 1441 value = rd32(&pf->hw, address); 1442 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1443 address, value); 1444 1445 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1446 u32 address, value; 1447 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1448 if (cnt != 2) { 1449 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1450 goto command_write_done; 1451 } 1452 1453 /* check the range on address */ 1454 if (address >= I40E_MAX_REGISTER) { 1455 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n", 1456 address); 1457 goto command_write_done; 1458 } 1459 wr32(&pf->hw, address, value); 1460 value = rd32(&pf->hw, address); 1461 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1462 address, value); 1463 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1464 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1465 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1466 if (cnt == 0) { 1467 int i; 1468 for (i = 0; i < pf->num_alloc_vsi; i++) 1469 i40e_vsi_reset_stats(pf->vsi[i]); 1470 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1471 } else if (cnt == 1) { 1472 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1473 if (!vsi) { 1474 dev_info(&pf->pdev->dev, 1475 "clear_stats vsi: bad vsi %d\n", 1476 vsi_seid); 1477 goto command_write_done; 1478 } 1479 i40e_vsi_reset_stats(vsi); 1480 dev_info(&pf->pdev->dev, 1481 "vsi clear stats called for vsi %d\n", 1482 vsi_seid); 1483 } else { 1484 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1485 } 1486 } else if (strncmp(&cmd_buf[12], "pf", 2) == 0) { 1487 i40e_pf_reset_stats(pf); 1488 dev_info(&pf->pdev->dev, "pf clear stats called\n"); 1489 } else { 1490 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats pf\n"); 1491 } 1492 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1493 struct i40e_aq_desc *desc; 1494 i40e_status ret; 1495 1496 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1497 if (!desc) 1498 goto command_write_done; 1499 cnt = sscanf(&cmd_buf[11], 1500 "%hi %hi %hi %hi %i %i %i %i %i %i", 1501 &desc->flags, 1502 &desc->opcode, &desc->datalen, &desc->retval, 1503 &desc->cookie_high, &desc->cookie_low, 1504 &desc->params.internal.param0, 1505 &desc->params.internal.param1, 1506 &desc->params.internal.param2, 1507 &desc->params.internal.param3); 1508 if (cnt != 10) { 1509 dev_info(&pf->pdev->dev, 1510 "send aq_cmd: bad command string, cnt=%d\n", 1511 cnt); 1512 kfree(desc); 1513 desc = NULL; 1514 goto command_write_done; 1515 } 1516 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1517 if (!ret) { 1518 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1519 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1520 dev_info(&pf->pdev->dev, 1521 "AQ command send failed Opcode %x AQ Error: %d\n", 1522 desc->opcode, pf->hw.aq.asq_last_status); 1523 } else { 1524 dev_info(&pf->pdev->dev, 1525 "AQ command send failed Opcode %x Status: %d\n", 1526 desc->opcode, ret); 1527 } 1528 dev_info(&pf->pdev->dev, 1529 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1530 desc->flags, desc->opcode, desc->datalen, desc->retval, 1531 desc->cookie_high, desc->cookie_low, 1532 desc->params.internal.param0, 1533 desc->params.internal.param1, 1534 desc->params.internal.param2, 1535 desc->params.internal.param3); 1536 kfree(desc); 1537 desc = NULL; 1538 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1539 struct i40e_aq_desc *desc; 1540 i40e_status ret; 1541 u16 buffer_len; 1542 u8 *buff; 1543 1544 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1545 if (!desc) 1546 goto command_write_done; 1547 cnt = sscanf(&cmd_buf[20], 1548 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1549 &desc->flags, 1550 &desc->opcode, &desc->datalen, &desc->retval, 1551 &desc->cookie_high, &desc->cookie_low, 1552 &desc->params.internal.param0, 1553 &desc->params.internal.param1, 1554 &desc->params.internal.param2, 1555 &desc->params.internal.param3, 1556 &buffer_len); 1557 if (cnt != 11) { 1558 dev_info(&pf->pdev->dev, 1559 "send indirect aq_cmd: bad command string, cnt=%d\n", 1560 cnt); 1561 kfree(desc); 1562 desc = NULL; 1563 goto command_write_done; 1564 } 1565 /* Just stub a buffer big enough in case user messed up */ 1566 if (buffer_len == 0) 1567 buffer_len = 1280; 1568 1569 buff = kzalloc(buffer_len, GFP_KERNEL); 1570 if (!buff) { 1571 kfree(desc); 1572 desc = NULL; 1573 goto command_write_done; 1574 } 1575 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1576 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1577 buffer_len, NULL); 1578 if (!ret) { 1579 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1580 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1581 dev_info(&pf->pdev->dev, 1582 "AQ command send failed Opcode %x AQ Error: %d\n", 1583 desc->opcode, pf->hw.aq.asq_last_status); 1584 } else { 1585 dev_info(&pf->pdev->dev, 1586 "AQ command send failed Opcode %x Status: %d\n", 1587 desc->opcode, ret); 1588 } 1589 dev_info(&pf->pdev->dev, 1590 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1591 desc->flags, desc->opcode, desc->datalen, desc->retval, 1592 desc->cookie_high, desc->cookie_low, 1593 desc->params.internal.param0, 1594 desc->params.internal.param1, 1595 desc->params.internal.param2, 1596 desc->params.internal.param3); 1597 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1598 DUMP_PREFIX_OFFSET, 16, 1, 1599 buff, buffer_len, true); 1600 kfree(buff); 1601 buff = NULL; 1602 kfree(desc); 1603 desc = NULL; 1604 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || 1605 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { 1606 struct i40e_fdir_filter fd_data; 1607 u16 packet_len, i, j = 0; 1608 char *asc_packet; 1609 u8 *raw_packet; 1610 bool add = false; 1611 int ret; 1612 1613 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 1614 goto command_write_done; 1615 1616 if (strncmp(cmd_buf, "add", 3) == 0) 1617 add = true; 1618 1619 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) 1620 goto command_write_done; 1621 1622 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1623 GFP_KERNEL); 1624 if (!asc_packet) 1625 goto command_write_done; 1626 1627 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1628 GFP_KERNEL); 1629 1630 if (!raw_packet) { 1631 kfree(asc_packet); 1632 asc_packet = NULL; 1633 goto command_write_done; 1634 } 1635 1636 cnt = sscanf(&cmd_buf[13], 1637 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", 1638 &fd_data.q_index, 1639 &fd_data.flex_off, &fd_data.pctype, 1640 &fd_data.dest_vsi, &fd_data.dest_ctl, 1641 &fd_data.fd_status, &fd_data.cnt_index, 1642 &fd_data.fd_id, &packet_len, asc_packet); 1643 if (cnt != 10) { 1644 dev_info(&pf->pdev->dev, 1645 "program fd_filter: bad command string, cnt=%d\n", 1646 cnt); 1647 kfree(asc_packet); 1648 asc_packet = NULL; 1649 kfree(raw_packet); 1650 goto command_write_done; 1651 } 1652 1653 /* fix packet length if user entered 0 */ 1654 if (packet_len == 0) 1655 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; 1656 1657 /* make sure to check the max as well */ 1658 packet_len = min_t(u16, 1659 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); 1660 1661 for (i = 0; i < packet_len; i++) { 1662 sscanf(&asc_packet[j], "%2hhx ", 1663 &raw_packet[i]); 1664 j += 3; 1665 } 1666 dev_info(&pf->pdev->dev, "FD raw packet dump\n"); 1667 print_hex_dump(KERN_INFO, "FD raw packet: ", 1668 DUMP_PREFIX_OFFSET, 16, 1, 1669 raw_packet, packet_len, true); 1670 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); 1671 if (!ret) { 1672 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); 1673 } else { 1674 dev_info(&pf->pdev->dev, 1675 "Filter command send failed %d\n", ret); 1676 } 1677 kfree(raw_packet); 1678 raw_packet = NULL; 1679 kfree(asc_packet); 1680 asc_packet = NULL; 1681 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) { 1682 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false); 1683 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) { 1684 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true); 1685 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1686 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1687 i40e_get_current_fd_count(pf)); 1688 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1689 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1690 int ret; 1691 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1692 if (ret) { 1693 dev_info(&pf->pdev->dev, 1694 "Stop LLDP AQ command failed =0x%x\n", 1695 pf->hw.aq.asq_last_status); 1696 goto command_write_done; 1697 } 1698 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1699 pf->hw.mac.addr, 1700 I40E_ETH_P_LLDP, 0, 1701 pf->vsi[pf->lan_vsi]->seid, 1702 0, true, NULL, NULL); 1703 if (ret) { 1704 dev_info(&pf->pdev->dev, 1705 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1706 __func__, pf->hw.aq.asq_last_status); 1707 goto command_write_done; 1708 } 1709 #ifdef CONFIG_I40E_DCB 1710 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1711 DCB_CAP_DCBX_VER_IEEE; 1712 #endif /* CONFIG_I40E_DCB */ 1713 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1714 int ret; 1715 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1716 pf->hw.mac.addr, 1717 I40E_ETH_P_LLDP, 0, 1718 pf->vsi[pf->lan_vsi]->seid, 1719 0, false, NULL, NULL); 1720 if (ret) { 1721 dev_info(&pf->pdev->dev, 1722 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1723 __func__, pf->hw.aq.asq_last_status); 1724 /* Continue and start FW LLDP anyways */ 1725 } 1726 1727 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1728 if (ret) { 1729 dev_info(&pf->pdev->dev, 1730 "Start LLDP AQ command failed =0x%x\n", 1731 pf->hw.aq.asq_last_status); 1732 goto command_write_done; 1733 } 1734 #ifdef CONFIG_I40E_DCB 1735 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1736 DCB_CAP_DCBX_VER_IEEE; 1737 #endif /* CONFIG_I40E_DCB */ 1738 } else if (strncmp(&cmd_buf[5], 1739 "get local", 9) == 0) { 1740 u16 llen, rlen; 1741 int ret; 1742 u8 *buff; 1743 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1744 if (!buff) 1745 goto command_write_done; 1746 1747 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1748 I40E_AQ_LLDP_MIB_LOCAL, 1749 buff, I40E_LLDPDU_SIZE, 1750 &llen, &rlen, NULL); 1751 if (ret) { 1752 dev_info(&pf->pdev->dev, 1753 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1754 pf->hw.aq.asq_last_status); 1755 kfree(buff); 1756 buff = NULL; 1757 goto command_write_done; 1758 } 1759 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1760 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1761 DUMP_PREFIX_OFFSET, 16, 1, 1762 buff, I40E_LLDPDU_SIZE, true); 1763 kfree(buff); 1764 buff = NULL; 1765 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1766 u16 llen, rlen; 1767 int ret; 1768 u8 *buff; 1769 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1770 if (!buff) 1771 goto command_write_done; 1772 1773 ret = i40e_aq_get_lldp_mib(&pf->hw, 1774 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1775 I40E_AQ_LLDP_MIB_REMOTE, 1776 buff, I40E_LLDPDU_SIZE, 1777 &llen, &rlen, NULL); 1778 if (ret) { 1779 dev_info(&pf->pdev->dev, 1780 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1781 pf->hw.aq.asq_last_status); 1782 kfree(buff); 1783 buff = NULL; 1784 goto command_write_done; 1785 } 1786 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1787 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1788 DUMP_PREFIX_OFFSET, 16, 1, 1789 buff, I40E_LLDPDU_SIZE, true); 1790 kfree(buff); 1791 buff = NULL; 1792 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1793 int ret; 1794 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1795 true, NULL); 1796 if (ret) { 1797 dev_info(&pf->pdev->dev, 1798 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1799 pf->hw.aq.asq_last_status); 1800 goto command_write_done; 1801 } 1802 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1803 int ret; 1804 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1805 false, NULL); 1806 if (ret) { 1807 dev_info(&pf->pdev->dev, 1808 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1809 pf->hw.aq.asq_last_status); 1810 goto command_write_done; 1811 } 1812 } 1813 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1814 u16 buffer_len, bytes; 1815 u16 module; 1816 u32 offset; 1817 u16 *buff; 1818 int ret; 1819 1820 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1821 &module, &offset, &buffer_len); 1822 if (cnt == 0) { 1823 module = 0; 1824 offset = 0; 1825 buffer_len = 0; 1826 } else if (cnt == 1) { 1827 offset = 0; 1828 buffer_len = 0; 1829 } else if (cnt == 2) { 1830 buffer_len = 0; 1831 } else if (cnt > 3) { 1832 dev_info(&pf->pdev->dev, 1833 "nvm read: bad command string, cnt=%d\n", cnt); 1834 goto command_write_done; 1835 } 1836 1837 /* set the max length */ 1838 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1839 1840 bytes = 2 * buffer_len; 1841 1842 /* read at least 1k bytes, no more than 4kB */ 1843 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1844 buff = kzalloc(bytes, GFP_KERNEL); 1845 if (!buff) 1846 goto command_write_done; 1847 1848 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1849 if (ret) { 1850 dev_info(&pf->pdev->dev, 1851 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1852 ret, pf->hw.aq.asq_last_status); 1853 kfree(buff); 1854 goto command_write_done; 1855 } 1856 1857 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1858 bytes, (u8 *)buff, true, NULL); 1859 i40e_release_nvm(&pf->hw); 1860 if (ret) { 1861 dev_info(&pf->pdev->dev, 1862 "Read NVM AQ failed err=%d status=0x%x\n", 1863 ret, pf->hw.aq.asq_last_status); 1864 } else { 1865 dev_info(&pf->pdev->dev, 1866 "Read NVM module=0x%x offset=0x%x words=%d\n", 1867 module, offset, buffer_len); 1868 if (bytes) 1869 print_hex_dump(KERN_INFO, "NVM Dump: ", 1870 DUMP_PREFIX_OFFSET, 16, 2, 1871 buff, bytes, true); 1872 } 1873 kfree(buff); 1874 buff = NULL; 1875 } else { 1876 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1877 dev_info(&pf->pdev->dev, "available commands\n"); 1878 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1879 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1880 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1881 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1882 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1883 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1884 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1885 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1886 dev_info(&pf->pdev->dev, " dump switch\n"); 1887 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1888 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1889 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1890 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1891 dev_info(&pf->pdev->dev, " dump stats\n"); 1892 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1893 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1894 dev_info(&pf->pdev->dev, " read <reg>\n"); 1895 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1896 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1897 dev_info(&pf->pdev->dev, " clear_stats pf\n"); 1898 dev_info(&pf->pdev->dev, " pfr\n"); 1899 dev_info(&pf->pdev->dev, " corer\n"); 1900 dev_info(&pf->pdev->dev, " globr\n"); 1901 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1902 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1903 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"); 1904 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"); 1905 dev_info(&pf->pdev->dev, " fd-atr off\n"); 1906 dev_info(&pf->pdev->dev, " fd-atr on\n"); 1907 dev_info(&pf->pdev->dev, " fd current cnt"); 1908 dev_info(&pf->pdev->dev, " lldp start\n"); 1909 dev_info(&pf->pdev->dev, " lldp stop\n"); 1910 dev_info(&pf->pdev->dev, " lldp get local\n"); 1911 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1912 dev_info(&pf->pdev->dev, " lldp event on\n"); 1913 dev_info(&pf->pdev->dev, " lldp event off\n"); 1914 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1915 } 1916 1917 command_write_done: 1918 kfree(cmd_buf); 1919 cmd_buf = NULL; 1920 return count; 1921 } 1922 1923 static const struct file_operations i40e_dbg_command_fops = { 1924 .owner = THIS_MODULE, 1925 .open = simple_open, 1926 .read = i40e_dbg_command_read, 1927 .write = i40e_dbg_command_write, 1928 }; 1929 1930 /************************************************************** 1931 * netdev_ops 1932 * The netdev_ops entry in debugfs is for giving the driver commands 1933 * to be executed from the netdev operations. 1934 **************************************************************/ 1935 static char i40e_dbg_netdev_ops_buf[256] = "hello world"; 1936 1937 /** 1938 * i40e_dbg_netdev_ops - read for netdev_ops datum 1939 * @filp: the opened file 1940 * @buffer: where to write the data for the user to read 1941 * @count: the size of the user's buffer 1942 * @ppos: file position offset 1943 **/ 1944 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1945 size_t count, loff_t *ppos) 1946 { 1947 struct i40e_pf *pf = filp->private_data; 1948 int bytes_not_copied; 1949 int buf_size = 256; 1950 char *buf; 1951 int len; 1952 1953 /* don't allow partal reads */ 1954 if (*ppos != 0) 1955 return 0; 1956 if (count < buf_size) 1957 return -ENOSPC; 1958 1959 buf = kzalloc(buf_size, GFP_KERNEL); 1960 if (!buf) 1961 return -ENOSPC; 1962 1963 len = snprintf(buf, buf_size, "%s: %s\n", 1964 pf->vsi[pf->lan_vsi]->netdev->name, 1965 i40e_dbg_netdev_ops_buf); 1966 1967 bytes_not_copied = copy_to_user(buffer, buf, len); 1968 kfree(buf); 1969 1970 if (bytes_not_copied < 0) 1971 return bytes_not_copied; 1972 1973 *ppos = len; 1974 return len; 1975 } 1976 1977 /** 1978 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1979 * @filp: the opened file 1980 * @buffer: where to find the user's data 1981 * @count: the length of the user's data 1982 * @ppos: file position offset 1983 **/ 1984 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1985 const char __user *buffer, 1986 size_t count, loff_t *ppos) 1987 { 1988 struct i40e_pf *pf = filp->private_data; 1989 int bytes_not_copied; 1990 struct i40e_vsi *vsi; 1991 char *buf_tmp; 1992 int vsi_seid; 1993 int i, cnt; 1994 1995 /* don't allow partial writes */ 1996 if (*ppos != 0) 1997 return 0; 1998 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1999 return -ENOSPC; 2000 2001 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 2002 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 2003 buffer, count); 2004 if (bytes_not_copied < 0) 2005 return bytes_not_copied; 2006 else if (bytes_not_copied > 0) 2007 count -= bytes_not_copied; 2008 i40e_dbg_netdev_ops_buf[count] = '\0'; 2009 2010 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 2011 if (buf_tmp) { 2012 *buf_tmp = '\0'; 2013 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 2014 } 2015 2016 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 2017 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2018 if (cnt != 1) { 2019 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 2020 goto netdev_ops_write_done; 2021 } 2022 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2023 if (!vsi) { 2024 dev_info(&pf->pdev->dev, 2025 "tx_timeout: VSI %d not found\n", vsi_seid); 2026 } else if (!vsi->netdev) { 2027 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 2028 vsi_seid); 2029 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 2030 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 2031 vsi_seid); 2032 } else if (rtnl_trylock()) { 2033 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 2034 rtnl_unlock(); 2035 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 2036 } else { 2037 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2038 } 2039 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 2040 int mtu; 2041 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 2042 &vsi_seid, &mtu); 2043 if (cnt != 2) { 2044 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 2045 goto netdev_ops_write_done; 2046 } 2047 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2048 if (!vsi) { 2049 dev_info(&pf->pdev->dev, 2050 "change_mtu: VSI %d not found\n", vsi_seid); 2051 } else if (!vsi->netdev) { 2052 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 2053 vsi_seid); 2054 } else if (rtnl_trylock()) { 2055 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 2056 mtu); 2057 rtnl_unlock(); 2058 dev_info(&pf->pdev->dev, "change_mtu called\n"); 2059 } else { 2060 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2061 } 2062 2063 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 2064 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2065 if (cnt != 1) { 2066 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 2067 goto netdev_ops_write_done; 2068 } 2069 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2070 if (!vsi) { 2071 dev_info(&pf->pdev->dev, 2072 "set_rx_mode: VSI %d not found\n", vsi_seid); 2073 } else if (!vsi->netdev) { 2074 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 2075 vsi_seid); 2076 } else if (rtnl_trylock()) { 2077 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 2078 rtnl_unlock(); 2079 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 2080 } else { 2081 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2082 } 2083 2084 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 2085 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 2086 if (cnt != 1) { 2087 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 2088 goto netdev_ops_write_done; 2089 } 2090 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2091 if (!vsi) { 2092 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 2093 vsi_seid); 2094 } else if (!vsi->netdev) { 2095 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 2096 vsi_seid); 2097 } else { 2098 for (i = 0; i < vsi->num_q_vectors; i++) 2099 napi_schedule(&vsi->q_vectors[i]->napi); 2100 dev_info(&pf->pdev->dev, "napi called\n"); 2101 } 2102 } else { 2103 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 2104 i40e_dbg_netdev_ops_buf); 2105 dev_info(&pf->pdev->dev, "available commands\n"); 2106 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 2107 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 2108 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 2109 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 2110 } 2111 netdev_ops_write_done: 2112 return count; 2113 } 2114 2115 static const struct file_operations i40e_dbg_netdev_ops_fops = { 2116 .owner = THIS_MODULE, 2117 .open = simple_open, 2118 .read = i40e_dbg_netdev_ops_read, 2119 .write = i40e_dbg_netdev_ops_write, 2120 }; 2121 2122 /** 2123 * i40e_dbg_pf_init - setup the debugfs directory for the pf 2124 * @pf: the pf that is starting up 2125 **/ 2126 void i40e_dbg_pf_init(struct i40e_pf *pf) 2127 { 2128 struct dentry *pfile; 2129 const char *name = pci_name(pf->pdev); 2130 const struct device *dev = &pf->pdev->dev; 2131 2132 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 2133 if (!pf->i40e_dbg_pf) 2134 return; 2135 2136 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 2137 &i40e_dbg_command_fops); 2138 if (!pfile) 2139 goto create_failed; 2140 2141 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, 2142 &i40e_dbg_dump_fops); 2143 if (!pfile) 2144 goto create_failed; 2145 2146 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 2147 &i40e_dbg_netdev_ops_fops); 2148 if (!pfile) 2149 goto create_failed; 2150 2151 return; 2152 2153 create_failed: 2154 dev_info(dev, "debugfs dir/file for %s failed\n", name); 2155 debugfs_remove_recursive(pf->i40e_dbg_pf); 2156 return; 2157 } 2158 2159 /** 2160 * i40e_dbg_pf_exit - clear out the pf's debugfs entries 2161 * @pf: the pf that is stopping 2162 **/ 2163 void i40e_dbg_pf_exit(struct i40e_pf *pf) 2164 { 2165 debugfs_remove_recursive(pf->i40e_dbg_pf); 2166 pf->i40e_dbg_pf = NULL; 2167 2168 kfree(i40e_dbg_dump_buf); 2169 i40e_dbg_dump_buf = NULL; 2170 } 2171 2172 /** 2173 * i40e_dbg_init - start up debugfs for the driver 2174 **/ 2175 void i40e_dbg_init(void) 2176 { 2177 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 2178 if (!i40e_dbg_root) 2179 pr_info("init of debugfs failed\n"); 2180 } 2181 2182 /** 2183 * i40e_dbg_exit - clean out the driver's debugfs entries 2184 **/ 2185 void i40e_dbg_exit(void) 2186 { 2187 debugfs_remove_recursive(i40e_dbg_root); 2188 i40e_dbg_root = NULL; 2189 } 2190 2191 #endif /* CONFIG_DEBUG_FS */ 2192