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] = ""; 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 if (vsi == pf->vsi[pf->lan_vsi]) 394 dev_info(&pf->pdev->dev, "MAC address: %pM SAN MAC: %pM Port MAC: %pM\n", 395 pf->hw.mac.addr, 396 pf->hw.mac.san_addr, 397 pf->hw.mac.port_addr); 398 list_for_each_entry(f, &vsi->mac_filter_list, list) { 399 dev_info(&pf->pdev->dev, 400 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n", 401 f->macaddr, f->vlan, f->is_netdev, f->is_vf, 402 f->counter); 403 } 404 nstat = i40e_get_vsi_stats_struct(vsi); 405 dev_info(&pf->pdev->dev, 406 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 407 (unsigned long int)nstat->rx_packets, 408 (unsigned long int)nstat->rx_bytes, 409 (unsigned long int)nstat->rx_errors, 410 (unsigned long int)nstat->rx_dropped); 411 dev_info(&pf->pdev->dev, 412 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 413 (unsigned long int)nstat->tx_packets, 414 (unsigned long int)nstat->tx_bytes, 415 (unsigned long int)nstat->tx_errors, 416 (unsigned long int)nstat->tx_dropped); 417 dev_info(&pf->pdev->dev, 418 " net_stats: multicast = %lu, collisions = %lu\n", 419 (unsigned long int)nstat->multicast, 420 (unsigned long int)nstat->collisions); 421 dev_info(&pf->pdev->dev, 422 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 423 (unsigned long int)nstat->rx_length_errors, 424 (unsigned long int)nstat->rx_over_errors, 425 (unsigned long int)nstat->rx_crc_errors); 426 dev_info(&pf->pdev->dev, 427 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 428 (unsigned long int)nstat->rx_frame_errors, 429 (unsigned long int)nstat->rx_fifo_errors, 430 (unsigned long int)nstat->rx_missed_errors); 431 dev_info(&pf->pdev->dev, 432 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 433 (unsigned long int)nstat->tx_aborted_errors, 434 (unsigned long int)nstat->tx_carrier_errors, 435 (unsigned long int)nstat->tx_fifo_errors); 436 dev_info(&pf->pdev->dev, 437 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 438 (unsigned long int)nstat->tx_heartbeat_errors, 439 (unsigned long int)nstat->tx_window_errors); 440 dev_info(&pf->pdev->dev, 441 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 442 (unsigned long int)nstat->rx_compressed, 443 (unsigned long int)nstat->tx_compressed); 444 dev_info(&pf->pdev->dev, 445 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 446 (unsigned long int)vsi->net_stats_offsets.rx_packets, 447 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 448 (unsigned long int)vsi->net_stats_offsets.rx_errors, 449 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 450 dev_info(&pf->pdev->dev, 451 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 452 (unsigned long int)vsi->net_stats_offsets.tx_packets, 453 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 454 (unsigned long int)vsi->net_stats_offsets.tx_errors, 455 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 456 dev_info(&pf->pdev->dev, 457 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 458 (unsigned long int)vsi->net_stats_offsets.multicast, 459 (unsigned long int)vsi->net_stats_offsets.collisions); 460 dev_info(&pf->pdev->dev, 461 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 462 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 463 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 464 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 465 dev_info(&pf->pdev->dev, 466 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 467 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 468 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 469 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 470 dev_info(&pf->pdev->dev, 471 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 472 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 473 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 474 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 475 dev_info(&pf->pdev->dev, 476 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 477 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 478 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 479 dev_info(&pf->pdev->dev, 480 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 481 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 482 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 483 dev_info(&pf->pdev->dev, 484 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 485 vsi->tx_restart, vsi->tx_busy, 486 vsi->rx_buf_failed, vsi->rx_page_failed); 487 rcu_read_lock(); 488 for (i = 0; i < vsi->num_queue_pairs; i++) { 489 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]); 490 491 if (!rx_ring) 492 continue; 493 494 dev_info(&pf->pdev->dev, 495 " rx_rings[%i]: desc = %p\n", 496 i, rx_ring->desc); 497 dev_info(&pf->pdev->dev, 498 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", 499 i, rx_ring->dev, 500 rx_ring->netdev, 501 rx_ring->rx_bi); 502 dev_info(&pf->pdev->dev, 503 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 504 i, rx_ring->state, 505 rx_ring->queue_index, 506 rx_ring->reg_idx); 507 dev_info(&pf->pdev->dev, 508 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n", 509 i, rx_ring->rx_hdr_len, 510 rx_ring->rx_buf_len, 511 rx_ring->dtype); 512 dev_info(&pf->pdev->dev, 513 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 514 i, rx_ring->hsplit, 515 rx_ring->next_to_use, 516 rx_ring->next_to_clean, 517 rx_ring->ring_active); 518 dev_info(&pf->pdev->dev, 519 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 520 i, rx_ring->stats.packets, 521 rx_ring->stats.bytes, 522 rx_ring->rx_stats.non_eop_descs); 523 dev_info(&pf->pdev->dev, 524 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 525 i, 526 rx_ring->rx_stats.alloc_page_failed, 527 rx_ring->rx_stats.alloc_buff_failed); 528 dev_info(&pf->pdev->dev, 529 " rx_rings[%i]: size = %i, dma = 0x%08lx\n", 530 i, rx_ring->size, 531 (unsigned long int)rx_ring->dma); 532 dev_info(&pf->pdev->dev, 533 " rx_rings[%i]: vsi = %p, q_vector = %p\n", 534 i, rx_ring->vsi, 535 rx_ring->q_vector); 536 } 537 for (i = 0; i < vsi->num_queue_pairs; i++) { 538 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); 539 540 if (!tx_ring) 541 continue; 542 543 dev_info(&pf->pdev->dev, 544 " tx_rings[%i]: desc = %p\n", 545 i, tx_ring->desc); 546 dev_info(&pf->pdev->dev, 547 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", 548 i, tx_ring->dev, 549 tx_ring->netdev, 550 tx_ring->tx_bi); 551 dev_info(&pf->pdev->dev, 552 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 553 i, tx_ring->state, 554 tx_ring->queue_index, 555 tx_ring->reg_idx); 556 dev_info(&pf->pdev->dev, 557 " tx_rings[%i]: dtype = %d\n", 558 i, tx_ring->dtype); 559 dev_info(&pf->pdev->dev, 560 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 561 i, tx_ring->hsplit, 562 tx_ring->next_to_use, 563 tx_ring->next_to_clean, 564 tx_ring->ring_active); 565 dev_info(&pf->pdev->dev, 566 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 567 i, tx_ring->stats.packets, 568 tx_ring->stats.bytes, 569 tx_ring->tx_stats.restart_queue); 570 dev_info(&pf->pdev->dev, 571 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 572 i, 573 tx_ring->tx_stats.tx_busy, 574 tx_ring->tx_stats.tx_done_old); 575 dev_info(&pf->pdev->dev, 576 " tx_rings[%i]: size = %i, dma = 0x%08lx\n", 577 i, tx_ring->size, 578 (unsigned long int)tx_ring->dma); 579 dev_info(&pf->pdev->dev, 580 " tx_rings[%i]: vsi = %p, q_vector = %p\n", 581 i, tx_ring->vsi, 582 tx_ring->q_vector); 583 dev_info(&pf->pdev->dev, 584 " tx_rings[%i]: DCB tc = %d\n", 585 i, tx_ring->dcb_tc); 586 } 587 rcu_read_unlock(); 588 dev_info(&pf->pdev->dev, 589 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n", 590 vsi->work_limit, vsi->rx_itr_setting, 591 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed", 592 vsi->tx_itr_setting, 593 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed"); 594 dev_info(&pf->pdev->dev, 595 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n", 596 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype); 597 dev_info(&pf->pdev->dev, 598 " num_q_vectors = %i, base_vector = %i\n", 599 vsi->num_q_vectors, vsi->base_vector); 600 dev_info(&pf->pdev->dev, 601 " seid = %d, id = %d, uplink_seid = %d\n", 602 vsi->seid, vsi->id, vsi->uplink_seid); 603 dev_info(&pf->pdev->dev, 604 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n", 605 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc); 606 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 607 dev_info(&pf->pdev->dev, 608 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 609 vsi->info.valid_sections, vsi->info.switch_id); 610 dev_info(&pf->pdev->dev, 611 " info: sw_reserved[] = 0x%02x 0x%02x\n", 612 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 613 dev_info(&pf->pdev->dev, 614 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 615 vsi->info.sec_flags, vsi->info.sec_reserved); 616 dev_info(&pf->pdev->dev, 617 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 618 vsi->info.pvid, vsi->info.fcoe_pvid, 619 vsi->info.port_vlan_flags); 620 dev_info(&pf->pdev->dev, 621 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 622 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 623 vsi->info.pvlan_reserved[2]); 624 dev_info(&pf->pdev->dev, 625 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 626 vsi->info.ingress_table, vsi->info.egress_table); 627 dev_info(&pf->pdev->dev, 628 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 629 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 630 vsi->info.cas_pv_reserved); 631 dev_info(&pf->pdev->dev, 632 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 633 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 634 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 635 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 636 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 637 dev_info(&pf->pdev->dev, 638 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 639 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 640 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 641 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 642 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 643 dev_info(&pf->pdev->dev, 644 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 645 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 646 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 647 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 648 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 649 dev_info(&pf->pdev->dev, 650 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 651 vsi->info.queueing_opt_flags, 652 vsi->info.queueing_opt_reserved[0], 653 vsi->info.queueing_opt_reserved[1], 654 vsi->info.queueing_opt_reserved[2]); 655 dev_info(&pf->pdev->dev, 656 " info: up_enable_bits = 0x%02x\n", 657 vsi->info.up_enable_bits); 658 dev_info(&pf->pdev->dev, 659 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 660 vsi->info.sched_reserved, vsi->info.outer_up_table); 661 dev_info(&pf->pdev->dev, 662 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 663 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 664 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 665 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 666 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 667 dev_info(&pf->pdev->dev, 668 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 669 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 670 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 671 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 672 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 673 dev_info(&pf->pdev->dev, 674 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 675 vsi->info.stat_counter_idx, vsi->info.sched_id); 676 dev_info(&pf->pdev->dev, 677 " 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", 678 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 679 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 680 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 681 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 682 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 683 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 684 if (vsi->back) 685 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back); 686 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 687 dev_info(&pf->pdev->dev, 688 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 689 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 690 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 691 dev_info(&pf->pdev->dev, 692 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 693 i, vsi->tc_config.tc_info[i].qoffset, 694 vsi->tc_config.tc_info[i].qcount, 695 vsi->tc_config.tc_info[i].netdev_tc); 696 } 697 dev_info(&pf->pdev->dev, 698 " bw: bw_limit = %d, bw_max_quanta = %d\n", 699 vsi->bw_limit, vsi->bw_max_quanta); 700 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 701 dev_info(&pf->pdev->dev, 702 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 703 i, vsi->bw_ets_share_credits[i], 704 vsi->bw_ets_limit_credits[i], 705 vsi->bw_ets_max_quanta[i]); 706 } 707 #ifdef I40E_FCOE 708 if (vsi->type == I40E_VSI_FCOE) { 709 dev_info(&pf->pdev->dev, 710 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n", 711 vsi->fcoe_stats.rx_fcoe_packets, 712 vsi->fcoe_stats.rx_fcoe_dwords, 713 vsi->fcoe_stats.rx_fcoe_dropped); 714 dev_info(&pf->pdev->dev, 715 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n", 716 vsi->fcoe_stats.tx_fcoe_packets, 717 vsi->fcoe_stats.tx_fcoe_dwords); 718 dev_info(&pf->pdev->dev, 719 " fcoe_stats: bad_crc = %llu, last_error = %llu\n", 720 vsi->fcoe_stats.fcoe_bad_fccrc, 721 vsi->fcoe_stats.fcoe_last_error); 722 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n", 723 vsi->fcoe_stats.fcoe_ddp_count); 724 } 725 #endif 726 } 727 728 /** 729 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 730 * @pf: the i40e_pf created in command write 731 **/ 732 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 733 { 734 struct i40e_adminq_ring *ring; 735 struct i40e_hw *hw = &pf->hw; 736 char hdr[32]; 737 int i; 738 739 snprintf(hdr, sizeof(hdr), "%s %s: ", 740 dev_driver_string(&pf->pdev->dev), 741 dev_name(&pf->pdev->dev)); 742 743 /* first the send (command) ring, then the receive (event) ring */ 744 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 745 ring = &(hw->aq.asq); 746 for (i = 0; i < ring->count; i++) { 747 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 748 749 dev_info(&pf->pdev->dev, 750 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 751 i, d->flags, d->opcode, d->datalen, d->retval, 752 d->cookie_high, d->cookie_low); 753 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 754 16, 1, d->params.raw, 16, 0); 755 } 756 757 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 758 ring = &(hw->aq.arq); 759 for (i = 0; i < ring->count; i++) { 760 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 761 762 dev_info(&pf->pdev->dev, 763 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 764 i, d->flags, d->opcode, d->datalen, d->retval, 765 d->cookie_high, d->cookie_low); 766 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 767 16, 1, d->params.raw, 16, 0); 768 } 769 } 770 771 /** 772 * i40e_dbg_dump_desc - handles dump desc write into command datum 773 * @cnt: number of arguments that the user supplied 774 * @vsi_seid: vsi id entered by user 775 * @ring_id: ring id entered by user 776 * @desc_n: descriptor number entered by user 777 * @pf: the i40e_pf created in command write 778 * @is_rx_ring: true if rx, false if tx 779 **/ 780 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 781 struct i40e_pf *pf, bool is_rx_ring) 782 { 783 struct i40e_tx_desc *txd; 784 union i40e_rx_desc *rxd; 785 struct i40e_ring *ring; 786 struct i40e_vsi *vsi; 787 int i; 788 789 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 790 if (!vsi) { 791 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 792 return; 793 } 794 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 795 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 796 return; 797 } 798 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 799 dev_info(&pf->pdev->dev, 800 "descriptor rings have not been allocated for vsi %d\n", 801 vsi_seid); 802 return; 803 } 804 805 ring = kmemdup(is_rx_ring 806 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], 807 sizeof(*ring), GFP_KERNEL); 808 if (!ring) 809 return; 810 811 if (cnt == 2) { 812 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 813 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 814 for (i = 0; i < ring->count; i++) { 815 if (!is_rx_ring) { 816 txd = I40E_TX_DESC(ring, i); 817 dev_info(&pf->pdev->dev, 818 " d[%03i] = 0x%016llx 0x%016llx\n", 819 i, txd->buffer_addr, 820 txd->cmd_type_offset_bsz); 821 } else if (sizeof(union i40e_rx_desc) == 822 sizeof(union i40e_16byte_rx_desc)) { 823 rxd = I40E_RX_DESC(ring, i); 824 dev_info(&pf->pdev->dev, 825 " d[%03i] = 0x%016llx 0x%016llx\n", 826 i, rxd->read.pkt_addr, 827 rxd->read.hdr_addr); 828 } else { 829 rxd = I40E_RX_DESC(ring, i); 830 dev_info(&pf->pdev->dev, 831 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 832 i, rxd->read.pkt_addr, 833 rxd->read.hdr_addr, 834 rxd->read.rsvd1, rxd->read.rsvd2); 835 } 836 } 837 } else if (cnt == 3) { 838 if (desc_n >= ring->count || desc_n < 0) { 839 dev_info(&pf->pdev->dev, 840 "descriptor %d not found\n", desc_n); 841 goto out; 842 } 843 if (!is_rx_ring) { 844 txd = I40E_TX_DESC(ring, desc_n); 845 dev_info(&pf->pdev->dev, 846 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", 847 vsi_seid, ring_id, desc_n, 848 txd->buffer_addr, txd->cmd_type_offset_bsz); 849 } else if (sizeof(union i40e_rx_desc) == 850 sizeof(union i40e_16byte_rx_desc)) { 851 rxd = I40E_RX_DESC(ring, desc_n); 852 dev_info(&pf->pdev->dev, 853 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", 854 vsi_seid, ring_id, desc_n, 855 rxd->read.pkt_addr, rxd->read.hdr_addr); 856 } else { 857 rxd = I40E_RX_DESC(ring, desc_n); 858 dev_info(&pf->pdev->dev, 859 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 860 vsi_seid, ring_id, desc_n, 861 rxd->read.pkt_addr, rxd->read.hdr_addr, 862 rxd->read.rsvd1, rxd->read.rsvd2); 863 } 864 } else { 865 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); 866 } 867 868 out: 869 kfree(ring); 870 } 871 872 /** 873 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 874 * @pf: the i40e_pf created in command write 875 **/ 876 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 877 { 878 int i; 879 880 for (i = 0; i < pf->num_alloc_vsi; i++) 881 if (pf->vsi[i]) 882 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 883 i, pf->vsi[i]->seid); 884 } 885 886 /** 887 * i40e_dbg_dump_stats - handles dump stats write into command datum 888 * @pf: the i40e_pf created in command write 889 * @estats: the eth stats structure to be dumped 890 **/ 891 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 892 struct i40e_eth_stats *estats) 893 { 894 dev_info(&pf->pdev->dev, " ethstats:\n"); 895 dev_info(&pf->pdev->dev, 896 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 897 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 898 dev_info(&pf->pdev->dev, 899 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 900 estats->rx_broadcast, estats->rx_discards); 901 dev_info(&pf->pdev->dev, 902 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 903 estats->rx_unknown_protocol, estats->tx_bytes); 904 dev_info(&pf->pdev->dev, 905 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 906 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 907 dev_info(&pf->pdev->dev, 908 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 909 estats->tx_discards, estats->tx_errors); 910 } 911 912 /** 913 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 914 * @pf: the i40e_pf created in command write 915 * @seid: the seid the user put in 916 **/ 917 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 918 { 919 struct i40e_veb *veb; 920 921 if ((seid < I40E_BASE_VEB_SEID) || 922 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) { 923 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 924 return; 925 } 926 927 veb = i40e_dbg_find_veb(pf, seid); 928 if (!veb) { 929 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 930 return; 931 } 932 dev_info(&pf->pdev->dev, 933 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 934 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 935 veb->uplink_seid, 936 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 937 i40e_dbg_dump_eth_stats(pf, &veb->stats); 938 } 939 940 /** 941 * i40e_dbg_dump_veb_all - dumps all known veb's stats 942 * @pf: the i40e_pf created in command write 943 **/ 944 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 945 { 946 struct i40e_veb *veb; 947 int i; 948 949 for (i = 0; i < I40E_MAX_VEB; i++) { 950 veb = pf->veb[i]; 951 if (veb) 952 i40e_dbg_dump_veb_seid(pf, veb->seid); 953 } 954 } 955 956 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 957 /** 958 * i40e_dbg_command_write - write into command datum 959 * @filp: the opened file 960 * @buffer: where to find the user's data 961 * @count: the length of the user's data 962 * @ppos: file position offset 963 **/ 964 static ssize_t i40e_dbg_command_write(struct file *filp, 965 const char __user *buffer, 966 size_t count, loff_t *ppos) 967 { 968 struct i40e_pf *pf = filp->private_data; 969 char *cmd_buf, *cmd_buf_tmp; 970 int bytes_not_copied; 971 struct i40e_vsi *vsi; 972 int vsi_seid; 973 int veb_seid; 974 int cnt; 975 976 /* don't allow partial writes */ 977 if (*ppos != 0) 978 return 0; 979 980 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 981 if (!cmd_buf) 982 return count; 983 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 984 if (bytes_not_copied < 0) { 985 kfree(cmd_buf); 986 return bytes_not_copied; 987 } 988 if (bytes_not_copied > 0) 989 count -= bytes_not_copied; 990 cmd_buf[count] = '\0'; 991 992 cmd_buf_tmp = strchr(cmd_buf, '\n'); 993 if (cmd_buf_tmp) { 994 *cmd_buf_tmp = '\0'; 995 count = cmd_buf_tmp - cmd_buf + 1; 996 } 997 998 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 999 vsi_seid = -1; 1000 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 1001 if (cnt == 0) { 1002 /* default to PF VSI */ 1003 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 1004 } else if (vsi_seid < 0) { 1005 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 1006 vsi_seid); 1007 goto command_write_done; 1008 } 1009 1010 /* By default we are in VEPA mode, if this is the first VF/VMDq 1011 * VSI to be added switch to VEB mode. 1012 */ 1013 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 1014 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 1015 i40e_do_reset_safe(pf, 1016 BIT_ULL(__I40E_PF_RESET_REQUESTED)); 1017 } 1018 1019 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 1020 if (vsi) 1021 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 1022 vsi->seid, vsi->uplink_seid); 1023 else 1024 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 1025 1026 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 1027 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 1028 if (cnt != 1) { 1029 dev_info(&pf->pdev->dev, 1030 "del vsi: bad command string, cnt=%d\n", 1031 cnt); 1032 goto command_write_done; 1033 } 1034 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1035 if (!vsi) { 1036 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 1037 vsi_seid); 1038 goto command_write_done; 1039 } 1040 1041 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 1042 i40e_vsi_release(vsi); 1043 1044 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 1045 struct i40e_veb *veb; 1046 int uplink_seid, i; 1047 1048 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 1049 if (cnt != 2) { 1050 dev_info(&pf->pdev->dev, 1051 "add relay: bad command string, cnt=%d\n", 1052 cnt); 1053 goto command_write_done; 1054 } else if (uplink_seid < 0) { 1055 dev_info(&pf->pdev->dev, 1056 "add relay %d: bad uplink seid\n", 1057 uplink_seid); 1058 goto command_write_done; 1059 } 1060 1061 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1062 if (!vsi) { 1063 dev_info(&pf->pdev->dev, 1064 "add relay: VSI %d not found\n", vsi_seid); 1065 goto command_write_done; 1066 } 1067 1068 for (i = 0; i < I40E_MAX_VEB; i++) 1069 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 1070 break; 1071 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 1072 uplink_seid != pf->mac_seid) { 1073 dev_info(&pf->pdev->dev, 1074 "add relay: relay uplink %d not found\n", 1075 uplink_seid); 1076 goto command_write_done; 1077 } 1078 1079 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 1080 vsi->tc_config.enabled_tc); 1081 if (veb) 1082 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 1083 else 1084 dev_info(&pf->pdev->dev, "add relay failed\n"); 1085 1086 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 1087 int i; 1088 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 1089 if (cnt != 1) { 1090 dev_info(&pf->pdev->dev, 1091 "del relay: bad command string, cnt=%d\n", 1092 cnt); 1093 goto command_write_done; 1094 } else if (veb_seid < 0) { 1095 dev_info(&pf->pdev->dev, 1096 "del relay %d: bad relay seid\n", veb_seid); 1097 goto command_write_done; 1098 } 1099 1100 /* find the veb */ 1101 for (i = 0; i < I40E_MAX_VEB; i++) 1102 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 1103 break; 1104 if (i >= I40E_MAX_VEB) { 1105 dev_info(&pf->pdev->dev, 1106 "del relay: relay %d not found\n", veb_seid); 1107 goto command_write_done; 1108 } 1109 1110 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 1111 i40e_veb_release(pf->veb[i]); 1112 1113 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { 1114 struct i40e_mac_filter *f; 1115 int vlan = 0; 1116 u8 ma[6]; 1117 int ret; 1118 1119 cnt = sscanf(&cmd_buf[11], 1120 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1121 &vsi_seid, 1122 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1123 &vlan); 1124 if (cnt == 7) { 1125 vlan = 0; 1126 } else if (cnt != 8) { 1127 dev_info(&pf->pdev->dev, 1128 "add macaddr: bad command string, cnt=%d\n", 1129 cnt); 1130 goto command_write_done; 1131 } 1132 1133 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1134 if (!vsi) { 1135 dev_info(&pf->pdev->dev, 1136 "add macaddr: VSI %d not found\n", vsi_seid); 1137 goto command_write_done; 1138 } 1139 1140 spin_lock_bh(&vsi->mac_filter_list_lock); 1141 f = i40e_add_filter(vsi, ma, vlan, false, false); 1142 spin_unlock_bh(&vsi->mac_filter_list_lock); 1143 ret = i40e_sync_vsi_filters(vsi, true); 1144 if (f && !ret) 1145 dev_info(&pf->pdev->dev, 1146 "add macaddr: %pM vlan=%d added to VSI %d\n", 1147 ma, vlan, vsi_seid); 1148 else 1149 dev_info(&pf->pdev->dev, 1150 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", 1151 ma, vlan, vsi_seid, f, ret); 1152 1153 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { 1154 int vlan = 0; 1155 u8 ma[6]; 1156 int ret; 1157 1158 cnt = sscanf(&cmd_buf[11], 1159 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1160 &vsi_seid, 1161 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1162 &vlan); 1163 if (cnt == 7) { 1164 vlan = 0; 1165 } else if (cnt != 8) { 1166 dev_info(&pf->pdev->dev, 1167 "del macaddr: bad command string, cnt=%d\n", 1168 cnt); 1169 goto command_write_done; 1170 } 1171 1172 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1173 if (!vsi) { 1174 dev_info(&pf->pdev->dev, 1175 "del macaddr: VSI %d not found\n", vsi_seid); 1176 goto command_write_done; 1177 } 1178 1179 spin_lock_bh(&vsi->mac_filter_list_lock); 1180 i40e_del_filter(vsi, ma, vlan, false, false); 1181 spin_unlock_bh(&vsi->mac_filter_list_lock); 1182 ret = i40e_sync_vsi_filters(vsi, true); 1183 if (!ret) 1184 dev_info(&pf->pdev->dev, 1185 "del macaddr: %pM vlan=%d removed from VSI %d\n", 1186 ma, vlan, vsi_seid); 1187 else 1188 dev_info(&pf->pdev->dev, 1189 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", 1190 ma, vlan, vsi_seid, ret); 1191 1192 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 1193 i40e_status ret; 1194 u16 vid; 1195 unsigned int v; 1196 1197 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 1198 if (cnt != 2) { 1199 dev_info(&pf->pdev->dev, 1200 "add pvid: bad command string, cnt=%d\n", cnt); 1201 goto command_write_done; 1202 } 1203 1204 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1205 if (!vsi) { 1206 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 1207 vsi_seid); 1208 goto command_write_done; 1209 } 1210 1211 vid = v; 1212 ret = i40e_vsi_add_pvid(vsi, vid); 1213 if (!ret) 1214 dev_info(&pf->pdev->dev, 1215 "add pvid: %d added to VSI %d\n", 1216 vid, vsi_seid); 1217 else 1218 dev_info(&pf->pdev->dev, 1219 "add pvid: %d to VSI %d failed, ret=%d\n", 1220 vid, vsi_seid, ret); 1221 1222 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 1223 1224 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1225 if (cnt != 1) { 1226 dev_info(&pf->pdev->dev, 1227 "del pvid: bad command string, cnt=%d\n", 1228 cnt); 1229 goto command_write_done; 1230 } 1231 1232 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1233 if (!vsi) { 1234 dev_info(&pf->pdev->dev, 1235 "del pvid: VSI %d not found\n", vsi_seid); 1236 goto command_write_done; 1237 } 1238 1239 i40e_vsi_remove_pvid(vsi); 1240 dev_info(&pf->pdev->dev, 1241 "del pvid: removed from VSI %d\n", vsi_seid); 1242 1243 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 1244 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 1245 i40e_fetch_switch_configuration(pf, true); 1246 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 1247 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1248 if (cnt > 0) 1249 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 1250 else 1251 i40e_dbg_dump_vsi_no_seid(pf); 1252 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 1253 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1254 if (cnt > 0) 1255 i40e_dbg_dump_veb_seid(pf, vsi_seid); 1256 else 1257 i40e_dbg_dump_veb_all(pf); 1258 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 1259 int ring_id, desc_n; 1260 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 1261 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1262 &vsi_seid, &ring_id, &desc_n); 1263 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1264 desc_n, pf, true); 1265 } else if (strncmp(&cmd_buf[10], "tx", 2) 1266 == 0) { 1267 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1268 &vsi_seid, &ring_id, &desc_n); 1269 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1270 desc_n, pf, false); 1271 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1272 i40e_dbg_dump_aq_desc(pf); 1273 } else { 1274 dev_info(&pf->pdev->dev, 1275 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1276 dev_info(&pf->pdev->dev, 1277 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1278 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1279 } 1280 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1281 dev_info(&pf->pdev->dev, 1282 "core reset count: %d\n", pf->corer_count); 1283 dev_info(&pf->pdev->dev, 1284 "global reset count: %d\n", pf->globr_count); 1285 dev_info(&pf->pdev->dev, 1286 "emp reset count: %d\n", pf->empr_count); 1287 dev_info(&pf->pdev->dev, 1288 "pf reset count: %d\n", pf->pfr_count); 1289 dev_info(&pf->pdev->dev, 1290 "pf tx sluggish count: %d\n", 1291 pf->tx_sluggish_count); 1292 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1293 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1294 struct i40e_dcbx_config *cfg = 1295 &pf->hw.local_dcbx_config; 1296 struct i40e_dcbx_config *r_cfg = 1297 &pf->hw.remote_dcbx_config; 1298 int i, ret; 1299 1300 bw_data = kzalloc(sizeof( 1301 struct i40e_aqc_query_port_ets_config_resp), 1302 GFP_KERNEL); 1303 if (!bw_data) { 1304 ret = -ENOMEM; 1305 goto command_write_done; 1306 } 1307 1308 ret = i40e_aq_query_port_ets_config(&pf->hw, 1309 pf->mac_seid, 1310 bw_data, NULL); 1311 if (ret) { 1312 dev_info(&pf->pdev->dev, 1313 "Query Port ETS Config AQ command failed =0x%x\n", 1314 pf->hw.aq.asq_last_status); 1315 kfree(bw_data); 1316 bw_data = NULL; 1317 goto command_write_done; 1318 } 1319 dev_info(&pf->pdev->dev, 1320 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1321 bw_data->tc_valid_bits, 1322 bw_data->tc_strict_priority_bits, 1323 le16_to_cpu(bw_data->tc_bw_max[0]), 1324 le16_to_cpu(bw_data->tc_bw_max[1])); 1325 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1326 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1327 bw_data->tc_bw_share_credits[i], 1328 le16_to_cpu(bw_data->tc_bw_limits[i])); 1329 } 1330 1331 kfree(bw_data); 1332 bw_data = NULL; 1333 1334 dev_info(&pf->pdev->dev, 1335 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1336 dev_info(&pf->pdev->dev, 1337 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1338 cfg->etscfg.willing, cfg->etscfg.cbs, 1339 cfg->etscfg.maxtcs); 1340 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1341 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1342 i, cfg->etscfg.prioritytable[i], 1343 cfg->etscfg.tcbwtable[i], 1344 cfg->etscfg.tsatable[i]); 1345 } 1346 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1347 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1348 i, cfg->etsrec.prioritytable[i], 1349 cfg->etsrec.tcbwtable[i], 1350 cfg->etsrec.tsatable[i]); 1351 } 1352 dev_info(&pf->pdev->dev, 1353 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1354 cfg->pfc.willing, cfg->pfc.mbc, 1355 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1356 dev_info(&pf->pdev->dev, 1357 "port app_table: num_apps=%d\n", cfg->numapps); 1358 for (i = 0; i < cfg->numapps; i++) { 1359 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1360 i, cfg->app[i].priority, 1361 cfg->app[i].selector, 1362 cfg->app[i].protocolid); 1363 } 1364 /* Peer TLV DCBX data */ 1365 dev_info(&pf->pdev->dev, 1366 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1367 r_cfg->etscfg.willing, 1368 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1369 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1370 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1371 i, r_cfg->etscfg.prioritytable[i], 1372 r_cfg->etscfg.tcbwtable[i], 1373 r_cfg->etscfg.tsatable[i]); 1374 } 1375 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1376 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1377 i, r_cfg->etsrec.prioritytable[i], 1378 r_cfg->etsrec.tcbwtable[i], 1379 r_cfg->etsrec.tsatable[i]); 1380 } 1381 dev_info(&pf->pdev->dev, 1382 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1383 r_cfg->pfc.willing, 1384 r_cfg->pfc.mbc, 1385 r_cfg->pfc.pfccap, 1386 r_cfg->pfc.pfcenable); 1387 dev_info(&pf->pdev->dev, 1388 "remote port app_table: num_apps=%d\n", 1389 r_cfg->numapps); 1390 for (i = 0; i < r_cfg->numapps; i++) { 1391 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1392 i, r_cfg->app[i].priority, 1393 r_cfg->app[i].selector, 1394 r_cfg->app[i].protocolid); 1395 } 1396 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1397 int cluster_id, table_id; 1398 int index, ret; 1399 u16 buff_len = 4096; 1400 u32 next_index; 1401 u8 next_table; 1402 u8 *buff; 1403 u16 rlen; 1404 1405 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1406 &cluster_id, &table_id, &index); 1407 if (cnt != 3) { 1408 dev_info(&pf->pdev->dev, 1409 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1410 goto command_write_done; 1411 } 1412 1413 dev_info(&pf->pdev->dev, 1414 "AQ debug dump fwdata params %x %x %x %x\n", 1415 cluster_id, table_id, index, buff_len); 1416 buff = kzalloc(buff_len, GFP_KERNEL); 1417 if (!buff) 1418 goto command_write_done; 1419 1420 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1421 index, buff_len, buff, &rlen, 1422 &next_table, &next_index, 1423 NULL); 1424 if (ret) { 1425 dev_info(&pf->pdev->dev, 1426 "debug dump fwdata AQ Failed %d 0x%x\n", 1427 ret, pf->hw.aq.asq_last_status); 1428 kfree(buff); 1429 buff = NULL; 1430 goto command_write_done; 1431 } 1432 dev_info(&pf->pdev->dev, 1433 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1434 rlen, next_table, next_index); 1435 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1436 DUMP_PREFIX_OFFSET, 16, 1, 1437 buff, rlen, true); 1438 kfree(buff); 1439 buff = NULL; 1440 } else { 1441 dev_info(&pf->pdev->dev, 1442 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1443 dev_info(&pf->pdev->dev, "dump switch\n"); 1444 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1445 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1446 dev_info(&pf->pdev->dev, "dump port\n"); 1447 dev_info(&pf->pdev->dev, 1448 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1449 } 1450 1451 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1452 u32 level; 1453 cnt = sscanf(&cmd_buf[10], "%i", &level); 1454 if (cnt) { 1455 if (I40E_DEBUG_USER & level) { 1456 pf->hw.debug_mask = level; 1457 dev_info(&pf->pdev->dev, 1458 "set hw.debug_mask = 0x%08x\n", 1459 pf->hw.debug_mask); 1460 } 1461 pf->msg_enable = level; 1462 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1463 pf->msg_enable); 1464 } else { 1465 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1466 pf->msg_enable); 1467 } 1468 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1469 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1470 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1471 1472 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1473 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1474 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1475 1476 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1477 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1478 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1479 1480 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1481 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1482 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1483 1484 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1485 u32 address; 1486 u32 value; 1487 1488 cnt = sscanf(&cmd_buf[4], "%i", &address); 1489 if (cnt != 1) { 1490 dev_info(&pf->pdev->dev, "read <reg>\n"); 1491 goto command_write_done; 1492 } 1493 1494 /* check the range on address */ 1495 if (address > (pf->ioremap_len - sizeof(u32))) { 1496 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1497 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1498 goto command_write_done; 1499 } 1500 1501 value = rd32(&pf->hw, address); 1502 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1503 address, value); 1504 1505 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1506 u32 address, value; 1507 1508 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1509 if (cnt != 2) { 1510 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1511 goto command_write_done; 1512 } 1513 1514 /* check the range on address */ 1515 if (address > (pf->ioremap_len - sizeof(u32))) { 1516 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1517 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1518 goto command_write_done; 1519 } 1520 wr32(&pf->hw, address, value); 1521 value = rd32(&pf->hw, address); 1522 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1523 address, value); 1524 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1525 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1526 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1527 if (cnt == 0) { 1528 int i; 1529 1530 for (i = 0; i < pf->num_alloc_vsi; i++) 1531 i40e_vsi_reset_stats(pf->vsi[i]); 1532 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1533 } else if (cnt == 1) { 1534 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1535 if (!vsi) { 1536 dev_info(&pf->pdev->dev, 1537 "clear_stats vsi: bad vsi %d\n", 1538 vsi_seid); 1539 goto command_write_done; 1540 } 1541 i40e_vsi_reset_stats(vsi); 1542 dev_info(&pf->pdev->dev, 1543 "vsi clear stats called for vsi %d\n", 1544 vsi_seid); 1545 } else { 1546 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1547 } 1548 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1549 if (pf->hw.partition_id == 1) { 1550 i40e_pf_reset_stats(pf); 1551 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1552 } else { 1553 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1554 } 1555 } else { 1556 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1557 } 1558 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1559 struct i40e_aq_desc *desc; 1560 i40e_status ret; 1561 1562 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1563 if (!desc) 1564 goto command_write_done; 1565 cnt = sscanf(&cmd_buf[11], 1566 "%hi %hi %hi %hi %i %i %i %i %i %i", 1567 &desc->flags, 1568 &desc->opcode, &desc->datalen, &desc->retval, 1569 &desc->cookie_high, &desc->cookie_low, 1570 &desc->params.internal.param0, 1571 &desc->params.internal.param1, 1572 &desc->params.internal.param2, 1573 &desc->params.internal.param3); 1574 if (cnt != 10) { 1575 dev_info(&pf->pdev->dev, 1576 "send aq_cmd: bad command string, cnt=%d\n", 1577 cnt); 1578 kfree(desc); 1579 desc = NULL; 1580 goto command_write_done; 1581 } 1582 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1583 if (!ret) { 1584 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1585 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1586 dev_info(&pf->pdev->dev, 1587 "AQ command send failed Opcode %x AQ Error: %d\n", 1588 desc->opcode, pf->hw.aq.asq_last_status); 1589 } else { 1590 dev_info(&pf->pdev->dev, 1591 "AQ command send failed Opcode %x Status: %d\n", 1592 desc->opcode, ret); 1593 } 1594 dev_info(&pf->pdev->dev, 1595 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1596 desc->flags, desc->opcode, desc->datalen, desc->retval, 1597 desc->cookie_high, desc->cookie_low, 1598 desc->params.internal.param0, 1599 desc->params.internal.param1, 1600 desc->params.internal.param2, 1601 desc->params.internal.param3); 1602 kfree(desc); 1603 desc = NULL; 1604 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1605 struct i40e_aq_desc *desc; 1606 i40e_status ret; 1607 u16 buffer_len; 1608 u8 *buff; 1609 1610 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1611 if (!desc) 1612 goto command_write_done; 1613 cnt = sscanf(&cmd_buf[20], 1614 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1615 &desc->flags, 1616 &desc->opcode, &desc->datalen, &desc->retval, 1617 &desc->cookie_high, &desc->cookie_low, 1618 &desc->params.internal.param0, 1619 &desc->params.internal.param1, 1620 &desc->params.internal.param2, 1621 &desc->params.internal.param3, 1622 &buffer_len); 1623 if (cnt != 11) { 1624 dev_info(&pf->pdev->dev, 1625 "send indirect aq_cmd: bad command string, cnt=%d\n", 1626 cnt); 1627 kfree(desc); 1628 desc = NULL; 1629 goto command_write_done; 1630 } 1631 /* Just stub a buffer big enough in case user messed up */ 1632 if (buffer_len == 0) 1633 buffer_len = 1280; 1634 1635 buff = kzalloc(buffer_len, GFP_KERNEL); 1636 if (!buff) { 1637 kfree(desc); 1638 desc = NULL; 1639 goto command_write_done; 1640 } 1641 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1642 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1643 buffer_len, NULL); 1644 if (!ret) { 1645 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1646 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1647 dev_info(&pf->pdev->dev, 1648 "AQ command send failed Opcode %x AQ Error: %d\n", 1649 desc->opcode, pf->hw.aq.asq_last_status); 1650 } else { 1651 dev_info(&pf->pdev->dev, 1652 "AQ command send failed Opcode %x Status: %d\n", 1653 desc->opcode, ret); 1654 } 1655 dev_info(&pf->pdev->dev, 1656 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1657 desc->flags, desc->opcode, desc->datalen, desc->retval, 1658 desc->cookie_high, desc->cookie_low, 1659 desc->params.internal.param0, 1660 desc->params.internal.param1, 1661 desc->params.internal.param2, 1662 desc->params.internal.param3); 1663 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1664 DUMP_PREFIX_OFFSET, 16, 1, 1665 buff, buffer_len, true); 1666 kfree(buff); 1667 buff = NULL; 1668 kfree(desc); 1669 desc = NULL; 1670 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || 1671 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { 1672 struct i40e_fdir_filter fd_data; 1673 u16 packet_len, i, j = 0; 1674 char *asc_packet; 1675 u8 *raw_packet; 1676 bool add = false; 1677 int ret; 1678 1679 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 1680 goto command_write_done; 1681 1682 if (strncmp(cmd_buf, "add", 3) == 0) 1683 add = true; 1684 1685 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) 1686 goto command_write_done; 1687 1688 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1689 GFP_KERNEL); 1690 if (!asc_packet) 1691 goto command_write_done; 1692 1693 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1694 GFP_KERNEL); 1695 1696 if (!raw_packet) { 1697 kfree(asc_packet); 1698 asc_packet = NULL; 1699 goto command_write_done; 1700 } 1701 1702 cnt = sscanf(&cmd_buf[13], 1703 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", 1704 &fd_data.q_index, 1705 &fd_data.flex_off, &fd_data.pctype, 1706 &fd_data.dest_vsi, &fd_data.dest_ctl, 1707 &fd_data.fd_status, &fd_data.cnt_index, 1708 &fd_data.fd_id, &packet_len, asc_packet); 1709 if (cnt != 10) { 1710 dev_info(&pf->pdev->dev, 1711 "program fd_filter: bad command string, cnt=%d\n", 1712 cnt); 1713 kfree(asc_packet); 1714 asc_packet = NULL; 1715 kfree(raw_packet); 1716 goto command_write_done; 1717 } 1718 1719 /* fix packet length if user entered 0 */ 1720 if (packet_len == 0) 1721 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; 1722 1723 /* make sure to check the max as well */ 1724 packet_len = min_t(u16, 1725 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); 1726 1727 for (i = 0; i < packet_len; i++) { 1728 cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]); 1729 if (!cnt) 1730 break; 1731 j += 3; 1732 } 1733 dev_info(&pf->pdev->dev, "FD raw packet dump\n"); 1734 print_hex_dump(KERN_INFO, "FD raw packet: ", 1735 DUMP_PREFIX_OFFSET, 16, 1, 1736 raw_packet, packet_len, true); 1737 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); 1738 if (!ret) { 1739 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); 1740 } else { 1741 dev_info(&pf->pdev->dev, 1742 "Filter command send failed %d\n", ret); 1743 } 1744 kfree(raw_packet); 1745 raw_packet = NULL; 1746 kfree(asc_packet); 1747 asc_packet = NULL; 1748 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1749 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1750 i40e_get_current_fd_count(pf)); 1751 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1752 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1753 int ret; 1754 1755 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1756 if (ret) { 1757 dev_info(&pf->pdev->dev, 1758 "Stop LLDP AQ command failed =0x%x\n", 1759 pf->hw.aq.asq_last_status); 1760 goto command_write_done; 1761 } 1762 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1763 pf->hw.mac.addr, 1764 I40E_ETH_P_LLDP, 0, 1765 pf->vsi[pf->lan_vsi]->seid, 1766 0, true, NULL, NULL); 1767 if (ret) { 1768 dev_info(&pf->pdev->dev, 1769 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1770 __func__, pf->hw.aq.asq_last_status); 1771 goto command_write_done; 1772 } 1773 #ifdef CONFIG_I40E_DCB 1774 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1775 DCB_CAP_DCBX_VER_IEEE; 1776 #endif /* CONFIG_I40E_DCB */ 1777 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1778 int ret; 1779 1780 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1781 pf->hw.mac.addr, 1782 I40E_ETH_P_LLDP, 0, 1783 pf->vsi[pf->lan_vsi]->seid, 1784 0, false, NULL, NULL); 1785 if (ret) { 1786 dev_info(&pf->pdev->dev, 1787 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1788 __func__, pf->hw.aq.asq_last_status); 1789 /* Continue and start FW LLDP anyways */ 1790 } 1791 1792 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1793 if (ret) { 1794 dev_info(&pf->pdev->dev, 1795 "Start LLDP AQ command failed =0x%x\n", 1796 pf->hw.aq.asq_last_status); 1797 goto command_write_done; 1798 } 1799 #ifdef CONFIG_I40E_DCB 1800 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1801 DCB_CAP_DCBX_VER_IEEE; 1802 #endif /* CONFIG_I40E_DCB */ 1803 } else if (strncmp(&cmd_buf[5], 1804 "get local", 9) == 0) { 1805 u16 llen, rlen; 1806 int ret; 1807 u8 *buff; 1808 1809 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1810 if (!buff) 1811 goto command_write_done; 1812 1813 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1814 I40E_AQ_LLDP_MIB_LOCAL, 1815 buff, I40E_LLDPDU_SIZE, 1816 &llen, &rlen, NULL); 1817 if (ret) { 1818 dev_info(&pf->pdev->dev, 1819 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1820 pf->hw.aq.asq_last_status); 1821 kfree(buff); 1822 buff = NULL; 1823 goto command_write_done; 1824 } 1825 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1826 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1827 DUMP_PREFIX_OFFSET, 16, 1, 1828 buff, I40E_LLDPDU_SIZE, true); 1829 kfree(buff); 1830 buff = NULL; 1831 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1832 u16 llen, rlen; 1833 int ret; 1834 u8 *buff; 1835 1836 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1837 if (!buff) 1838 goto command_write_done; 1839 1840 ret = i40e_aq_get_lldp_mib(&pf->hw, 1841 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1842 I40E_AQ_LLDP_MIB_REMOTE, 1843 buff, I40E_LLDPDU_SIZE, 1844 &llen, &rlen, NULL); 1845 if (ret) { 1846 dev_info(&pf->pdev->dev, 1847 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1848 pf->hw.aq.asq_last_status); 1849 kfree(buff); 1850 buff = NULL; 1851 goto command_write_done; 1852 } 1853 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1854 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1855 DUMP_PREFIX_OFFSET, 16, 1, 1856 buff, I40E_LLDPDU_SIZE, true); 1857 kfree(buff); 1858 buff = NULL; 1859 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1860 int ret; 1861 1862 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1863 true, NULL); 1864 if (ret) { 1865 dev_info(&pf->pdev->dev, 1866 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1867 pf->hw.aq.asq_last_status); 1868 goto command_write_done; 1869 } 1870 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1871 int ret; 1872 1873 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1874 false, NULL); 1875 if (ret) { 1876 dev_info(&pf->pdev->dev, 1877 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1878 pf->hw.aq.asq_last_status); 1879 goto command_write_done; 1880 } 1881 } 1882 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1883 u16 buffer_len, bytes; 1884 u16 module; 1885 u32 offset; 1886 u16 *buff; 1887 int ret; 1888 1889 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1890 &module, &offset, &buffer_len); 1891 if (cnt == 0) { 1892 module = 0; 1893 offset = 0; 1894 buffer_len = 0; 1895 } else if (cnt == 1) { 1896 offset = 0; 1897 buffer_len = 0; 1898 } else if (cnt == 2) { 1899 buffer_len = 0; 1900 } else if (cnt > 3) { 1901 dev_info(&pf->pdev->dev, 1902 "nvm read: bad command string, cnt=%d\n", cnt); 1903 goto command_write_done; 1904 } 1905 1906 /* set the max length */ 1907 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1908 1909 bytes = 2 * buffer_len; 1910 1911 /* read at least 1k bytes, no more than 4kB */ 1912 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1913 buff = kzalloc(bytes, GFP_KERNEL); 1914 if (!buff) 1915 goto command_write_done; 1916 1917 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1918 if (ret) { 1919 dev_info(&pf->pdev->dev, 1920 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1921 ret, pf->hw.aq.asq_last_status); 1922 kfree(buff); 1923 goto command_write_done; 1924 } 1925 1926 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1927 bytes, (u8 *)buff, true, NULL); 1928 i40e_release_nvm(&pf->hw); 1929 if (ret) { 1930 dev_info(&pf->pdev->dev, 1931 "Read NVM AQ failed err=%d status=0x%x\n", 1932 ret, pf->hw.aq.asq_last_status); 1933 } else { 1934 dev_info(&pf->pdev->dev, 1935 "Read NVM module=0x%x offset=0x%x words=%d\n", 1936 module, offset, buffer_len); 1937 if (bytes) 1938 print_hex_dump(KERN_INFO, "NVM Dump: ", 1939 DUMP_PREFIX_OFFSET, 16, 2, 1940 buff, bytes, true); 1941 } 1942 kfree(buff); 1943 buff = NULL; 1944 } else { 1945 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1946 dev_info(&pf->pdev->dev, "available commands\n"); 1947 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1948 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1949 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1950 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1951 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1952 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1953 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1954 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1955 dev_info(&pf->pdev->dev, " dump switch\n"); 1956 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1957 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1958 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1959 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1960 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1961 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1962 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1963 dev_info(&pf->pdev->dev, " read <reg>\n"); 1964 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1965 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1966 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1967 dev_info(&pf->pdev->dev, " pfr\n"); 1968 dev_info(&pf->pdev->dev, " corer\n"); 1969 dev_info(&pf->pdev->dev, " globr\n"); 1970 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1971 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1972 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"); 1973 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"); 1974 dev_info(&pf->pdev->dev, " fd current cnt"); 1975 dev_info(&pf->pdev->dev, " lldp start\n"); 1976 dev_info(&pf->pdev->dev, " lldp stop\n"); 1977 dev_info(&pf->pdev->dev, " lldp get local\n"); 1978 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1979 dev_info(&pf->pdev->dev, " lldp event on\n"); 1980 dev_info(&pf->pdev->dev, " lldp event off\n"); 1981 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1982 } 1983 1984 command_write_done: 1985 kfree(cmd_buf); 1986 cmd_buf = NULL; 1987 return count; 1988 } 1989 1990 static const struct file_operations i40e_dbg_command_fops = { 1991 .owner = THIS_MODULE, 1992 .open = simple_open, 1993 .read = i40e_dbg_command_read, 1994 .write = i40e_dbg_command_write, 1995 }; 1996 1997 /************************************************************** 1998 * netdev_ops 1999 * The netdev_ops entry in debugfs is for giving the driver commands 2000 * to be executed from the netdev operations. 2001 **************************************************************/ 2002 static char i40e_dbg_netdev_ops_buf[256] = ""; 2003 2004 /** 2005 * i40e_dbg_netdev_ops - read for netdev_ops datum 2006 * @filp: the opened file 2007 * @buffer: where to write the data for the user to read 2008 * @count: the size of the user's buffer 2009 * @ppos: file position offset 2010 **/ 2011 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 2012 size_t count, loff_t *ppos) 2013 { 2014 struct i40e_pf *pf = filp->private_data; 2015 int bytes_not_copied; 2016 int buf_size = 256; 2017 char *buf; 2018 int len; 2019 2020 /* don't allow partal reads */ 2021 if (*ppos != 0) 2022 return 0; 2023 if (count < buf_size) 2024 return -ENOSPC; 2025 2026 buf = kzalloc(buf_size, GFP_KERNEL); 2027 if (!buf) 2028 return -ENOSPC; 2029 2030 len = snprintf(buf, buf_size, "%s: %s\n", 2031 pf->vsi[pf->lan_vsi]->netdev->name, 2032 i40e_dbg_netdev_ops_buf); 2033 2034 bytes_not_copied = copy_to_user(buffer, buf, len); 2035 kfree(buf); 2036 2037 if (bytes_not_copied < 0) 2038 return bytes_not_copied; 2039 2040 *ppos = len; 2041 return len; 2042 } 2043 2044 /** 2045 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 2046 * @filp: the opened file 2047 * @buffer: where to find the user's data 2048 * @count: the length of the user's data 2049 * @ppos: file position offset 2050 **/ 2051 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 2052 const char __user *buffer, 2053 size_t count, loff_t *ppos) 2054 { 2055 struct i40e_pf *pf = filp->private_data; 2056 int bytes_not_copied; 2057 struct i40e_vsi *vsi; 2058 char *buf_tmp; 2059 int vsi_seid; 2060 int i, cnt; 2061 2062 /* don't allow partial writes */ 2063 if (*ppos != 0) 2064 return 0; 2065 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 2066 return -ENOSPC; 2067 2068 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 2069 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 2070 buffer, count); 2071 if (bytes_not_copied < 0) 2072 return bytes_not_copied; 2073 else if (bytes_not_copied > 0) 2074 count -= bytes_not_copied; 2075 i40e_dbg_netdev_ops_buf[count] = '\0'; 2076 2077 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 2078 if (buf_tmp) { 2079 *buf_tmp = '\0'; 2080 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 2081 } 2082 2083 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 2084 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2085 if (cnt != 1) { 2086 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 2087 goto netdev_ops_write_done; 2088 } 2089 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2090 if (!vsi) { 2091 dev_info(&pf->pdev->dev, 2092 "tx_timeout: VSI %d not found\n", vsi_seid); 2093 } else if (!vsi->netdev) { 2094 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 2095 vsi_seid); 2096 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 2097 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 2098 vsi_seid); 2099 } else if (rtnl_trylock()) { 2100 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 2101 rtnl_unlock(); 2102 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 2103 } else { 2104 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2105 } 2106 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 2107 int mtu; 2108 2109 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 2110 &vsi_seid, &mtu); 2111 if (cnt != 2) { 2112 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 2113 goto netdev_ops_write_done; 2114 } 2115 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2116 if (!vsi) { 2117 dev_info(&pf->pdev->dev, 2118 "change_mtu: VSI %d not found\n", vsi_seid); 2119 } else if (!vsi->netdev) { 2120 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 2121 vsi_seid); 2122 } else if (rtnl_trylock()) { 2123 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 2124 mtu); 2125 rtnl_unlock(); 2126 dev_info(&pf->pdev->dev, "change_mtu called\n"); 2127 } else { 2128 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2129 } 2130 2131 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 2132 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2133 if (cnt != 1) { 2134 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 2135 goto netdev_ops_write_done; 2136 } 2137 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2138 if (!vsi) { 2139 dev_info(&pf->pdev->dev, 2140 "set_rx_mode: VSI %d not found\n", vsi_seid); 2141 } else if (!vsi->netdev) { 2142 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 2143 vsi_seid); 2144 } else if (rtnl_trylock()) { 2145 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 2146 rtnl_unlock(); 2147 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 2148 } else { 2149 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2150 } 2151 2152 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 2153 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 2154 if (cnt != 1) { 2155 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 2156 goto netdev_ops_write_done; 2157 } 2158 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2159 if (!vsi) { 2160 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 2161 vsi_seid); 2162 } else if (!vsi->netdev) { 2163 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 2164 vsi_seid); 2165 } else { 2166 for (i = 0; i < vsi->num_q_vectors; i++) 2167 napi_schedule(&vsi->q_vectors[i]->napi); 2168 dev_info(&pf->pdev->dev, "napi called\n"); 2169 } 2170 } else { 2171 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 2172 i40e_dbg_netdev_ops_buf); 2173 dev_info(&pf->pdev->dev, "available commands\n"); 2174 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 2175 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 2176 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 2177 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 2178 } 2179 netdev_ops_write_done: 2180 return count; 2181 } 2182 2183 static const struct file_operations i40e_dbg_netdev_ops_fops = { 2184 .owner = THIS_MODULE, 2185 .open = simple_open, 2186 .read = i40e_dbg_netdev_ops_read, 2187 .write = i40e_dbg_netdev_ops_write, 2188 }; 2189 2190 /** 2191 * i40e_dbg_pf_init - setup the debugfs directory for the PF 2192 * @pf: the PF that is starting up 2193 **/ 2194 void i40e_dbg_pf_init(struct i40e_pf *pf) 2195 { 2196 struct dentry *pfile; 2197 const char *name = pci_name(pf->pdev); 2198 const struct device *dev = &pf->pdev->dev; 2199 2200 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 2201 if (!pf->i40e_dbg_pf) 2202 return; 2203 2204 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 2205 &i40e_dbg_command_fops); 2206 if (!pfile) 2207 goto create_failed; 2208 2209 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, 2210 &i40e_dbg_dump_fops); 2211 if (!pfile) 2212 goto create_failed; 2213 2214 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 2215 &i40e_dbg_netdev_ops_fops); 2216 if (!pfile) 2217 goto create_failed; 2218 2219 return; 2220 2221 create_failed: 2222 dev_info(dev, "debugfs dir/file for %s failed\n", name); 2223 debugfs_remove_recursive(pf->i40e_dbg_pf); 2224 } 2225 2226 /** 2227 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 2228 * @pf: the PF that is stopping 2229 **/ 2230 void i40e_dbg_pf_exit(struct i40e_pf *pf) 2231 { 2232 debugfs_remove_recursive(pf->i40e_dbg_pf); 2233 pf->i40e_dbg_pf = NULL; 2234 2235 kfree(i40e_dbg_dump_buf); 2236 i40e_dbg_dump_buf = NULL; 2237 } 2238 2239 /** 2240 * i40e_dbg_init - start up debugfs for the driver 2241 **/ 2242 void i40e_dbg_init(void) 2243 { 2244 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 2245 if (!i40e_dbg_root) 2246 pr_info("init of debugfs failed\n"); 2247 } 2248 2249 /** 2250 * i40e_dbg_exit - clean out the driver's debugfs entries 2251 **/ 2252 void i40e_dbg_exit(void) 2253 { 2254 debugfs_remove_recursive(i40e_dbg_root); 2255 i40e_dbg_root = NULL; 2256 } 2257 2258 #endif /* CONFIG_DEBUG_FS */ 2259