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 (long unsigned int)nstat->rx_packets, 408 (long unsigned int)nstat->rx_bytes, 409 (long unsigned int)nstat->rx_errors, 410 (long unsigned int)nstat->rx_dropped); 411 dev_info(&pf->pdev->dev, 412 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 413 (long unsigned int)nstat->tx_packets, 414 (long unsigned int)nstat->tx_bytes, 415 (long unsigned int)nstat->tx_errors, 416 (long unsigned int)nstat->tx_dropped); 417 dev_info(&pf->pdev->dev, 418 " net_stats: multicast = %lu, collisions = %lu\n", 419 (long unsigned int)nstat->multicast, 420 (long unsigned int)nstat->collisions); 421 dev_info(&pf->pdev->dev, 422 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 423 (long unsigned int)nstat->rx_length_errors, 424 (long unsigned int)nstat->rx_over_errors, 425 (long unsigned int)nstat->rx_crc_errors); 426 dev_info(&pf->pdev->dev, 427 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 428 (long unsigned int)nstat->rx_frame_errors, 429 (long unsigned int)nstat->rx_fifo_errors, 430 (long unsigned int)nstat->rx_missed_errors); 431 dev_info(&pf->pdev->dev, 432 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 433 (long unsigned int)nstat->tx_aborted_errors, 434 (long unsigned int)nstat->tx_carrier_errors, 435 (long unsigned int)nstat->tx_fifo_errors); 436 dev_info(&pf->pdev->dev, 437 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 438 (long unsigned int)nstat->tx_heartbeat_errors, 439 (long unsigned int)nstat->tx_window_errors); 440 dev_info(&pf->pdev->dev, 441 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 442 (long unsigned int)nstat->rx_compressed, 443 (long unsigned int)nstat->tx_compressed); 444 dev_info(&pf->pdev->dev, 445 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 446 (long unsigned int)vsi->net_stats_offsets.rx_packets, 447 (long unsigned int)vsi->net_stats_offsets.rx_bytes, 448 (long unsigned int)vsi->net_stats_offsets.rx_errors, 449 (long unsigned int)vsi->net_stats_offsets.rx_dropped); 450 dev_info(&pf->pdev->dev, 451 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 452 (long unsigned int)vsi->net_stats_offsets.tx_packets, 453 (long unsigned int)vsi->net_stats_offsets.tx_bytes, 454 (long unsigned int)vsi->net_stats_offsets.tx_errors, 455 (long unsigned int)vsi->net_stats_offsets.tx_dropped); 456 dev_info(&pf->pdev->dev, 457 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 458 (long unsigned int)vsi->net_stats_offsets.multicast, 459 (long unsigned int)vsi->net_stats_offsets.collisions); 460 dev_info(&pf->pdev->dev, 461 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 462 (long unsigned int)vsi->net_stats_offsets.rx_length_errors, 463 (long unsigned int)vsi->net_stats_offsets.rx_over_errors, 464 (long unsigned int)vsi->net_stats_offsets.rx_crc_errors); 465 dev_info(&pf->pdev->dev, 466 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 467 (long unsigned int)vsi->net_stats_offsets.rx_frame_errors, 468 (long unsigned int)vsi->net_stats_offsets.rx_fifo_errors, 469 (long unsigned int)vsi->net_stats_offsets.rx_missed_errors); 470 dev_info(&pf->pdev->dev, 471 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 472 (long unsigned int)vsi->net_stats_offsets.tx_aborted_errors, 473 (long unsigned int)vsi->net_stats_offsets.tx_carrier_errors, 474 (long unsigned int)vsi->net_stats_offsets.tx_fifo_errors); 475 dev_info(&pf->pdev->dev, 476 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 477 (long unsigned int)vsi->net_stats_offsets.tx_heartbeat_errors, 478 (long unsigned int)vsi->net_stats_offsets.tx_window_errors); 479 dev_info(&pf->pdev->dev, 480 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 481 (long unsigned int)vsi->net_stats_offsets.rx_compressed, 482 (long unsigned int)vsi->net_stats_offsets.tx_compressed); 483 dev_info(&pf->pdev->dev, 484 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 485 vsi->tx_restart, vsi->tx_busy, 486 vsi->rx_buf_failed, vsi->rx_page_failed); 487 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 if (!rx_ring) 491 continue; 492 493 dev_info(&pf->pdev->dev, 494 " rx_rings[%i]: desc = %p\n", 495 i, rx_ring->desc); 496 dev_info(&pf->pdev->dev, 497 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", 498 i, rx_ring->dev, 499 rx_ring->netdev, 500 rx_ring->rx_bi); 501 dev_info(&pf->pdev->dev, 502 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 503 i, rx_ring->state, 504 rx_ring->queue_index, 505 rx_ring->reg_idx); 506 dev_info(&pf->pdev->dev, 507 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n", 508 i, rx_ring->rx_hdr_len, 509 rx_ring->rx_buf_len, 510 rx_ring->dtype); 511 dev_info(&pf->pdev->dev, 512 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 513 i, rx_ring->hsplit, 514 rx_ring->next_to_use, 515 rx_ring->next_to_clean, 516 rx_ring->ring_active); 517 dev_info(&pf->pdev->dev, 518 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 519 i, rx_ring->stats.packets, 520 rx_ring->stats.bytes, 521 rx_ring->rx_stats.non_eop_descs); 522 dev_info(&pf->pdev->dev, 523 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 524 i, 525 rx_ring->rx_stats.alloc_page_failed, 526 rx_ring->rx_stats.alloc_buff_failed); 527 dev_info(&pf->pdev->dev, 528 " rx_rings[%i]: size = %i, dma = 0x%08lx\n", 529 i, rx_ring->size, 530 (long unsigned int)rx_ring->dma); 531 dev_info(&pf->pdev->dev, 532 " rx_rings[%i]: vsi = %p, q_vector = %p\n", 533 i, rx_ring->vsi, 534 rx_ring->q_vector); 535 } 536 for (i = 0; i < vsi->num_queue_pairs; i++) { 537 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); 538 if (!tx_ring) 539 continue; 540 541 dev_info(&pf->pdev->dev, 542 " tx_rings[%i]: desc = %p\n", 543 i, tx_ring->desc); 544 dev_info(&pf->pdev->dev, 545 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", 546 i, tx_ring->dev, 547 tx_ring->netdev, 548 tx_ring->tx_bi); 549 dev_info(&pf->pdev->dev, 550 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 551 i, tx_ring->state, 552 tx_ring->queue_index, 553 tx_ring->reg_idx); 554 dev_info(&pf->pdev->dev, 555 " tx_rings[%i]: dtype = %d\n", 556 i, tx_ring->dtype); 557 dev_info(&pf->pdev->dev, 558 " tx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 559 i, tx_ring->hsplit, 560 tx_ring->next_to_use, 561 tx_ring->next_to_clean, 562 tx_ring->ring_active); 563 dev_info(&pf->pdev->dev, 564 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 565 i, tx_ring->stats.packets, 566 tx_ring->stats.bytes, 567 tx_ring->tx_stats.restart_queue); 568 dev_info(&pf->pdev->dev, 569 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 570 i, 571 tx_ring->tx_stats.tx_busy, 572 tx_ring->tx_stats.tx_done_old); 573 dev_info(&pf->pdev->dev, 574 " tx_rings[%i]: size = %i, dma = 0x%08lx\n", 575 i, tx_ring->size, 576 (long unsigned int)tx_ring->dma); 577 dev_info(&pf->pdev->dev, 578 " tx_rings[%i]: vsi = %p, q_vector = %p\n", 579 i, tx_ring->vsi, 580 tx_ring->q_vector); 581 dev_info(&pf->pdev->dev, 582 " tx_rings[%i]: DCB tc = %d\n", 583 i, tx_ring->dcb_tc); 584 } 585 rcu_read_unlock(); 586 dev_info(&pf->pdev->dev, 587 " work_limit = %d, rx_itr_setting = %d (%s), tx_itr_setting = %d (%s)\n", 588 vsi->work_limit, vsi->rx_itr_setting, 589 ITR_IS_DYNAMIC(vsi->rx_itr_setting) ? "dynamic" : "fixed", 590 vsi->tx_itr_setting, 591 ITR_IS_DYNAMIC(vsi->tx_itr_setting) ? "dynamic" : "fixed"); 592 dev_info(&pf->pdev->dev, 593 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n", 594 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype); 595 dev_info(&pf->pdev->dev, 596 " num_q_vectors = %i, base_vector = %i\n", 597 vsi->num_q_vectors, vsi->base_vector); 598 dev_info(&pf->pdev->dev, 599 " seid = %d, id = %d, uplink_seid = %d\n", 600 vsi->seid, vsi->id, vsi->uplink_seid); 601 dev_info(&pf->pdev->dev, 602 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n", 603 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc); 604 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 605 dev_info(&pf->pdev->dev, 606 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 607 vsi->info.valid_sections, vsi->info.switch_id); 608 dev_info(&pf->pdev->dev, 609 " info: sw_reserved[] = 0x%02x 0x%02x\n", 610 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 611 dev_info(&pf->pdev->dev, 612 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 613 vsi->info.sec_flags, vsi->info.sec_reserved); 614 dev_info(&pf->pdev->dev, 615 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 616 vsi->info.pvid, vsi->info.fcoe_pvid, 617 vsi->info.port_vlan_flags); 618 dev_info(&pf->pdev->dev, 619 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 620 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 621 vsi->info.pvlan_reserved[2]); 622 dev_info(&pf->pdev->dev, 623 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 624 vsi->info.ingress_table, vsi->info.egress_table); 625 dev_info(&pf->pdev->dev, 626 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 627 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 628 vsi->info.cas_pv_reserved); 629 dev_info(&pf->pdev->dev, 630 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 631 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 632 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 633 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 634 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 635 dev_info(&pf->pdev->dev, 636 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 637 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 638 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 639 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 640 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 641 dev_info(&pf->pdev->dev, 642 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 643 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 644 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 645 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 646 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 647 dev_info(&pf->pdev->dev, 648 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 649 vsi->info.queueing_opt_flags, 650 vsi->info.queueing_opt_reserved[0], 651 vsi->info.queueing_opt_reserved[1], 652 vsi->info.queueing_opt_reserved[2]); 653 dev_info(&pf->pdev->dev, 654 " info: up_enable_bits = 0x%02x\n", 655 vsi->info.up_enable_bits); 656 dev_info(&pf->pdev->dev, 657 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 658 vsi->info.sched_reserved, vsi->info.outer_up_table); 659 dev_info(&pf->pdev->dev, 660 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 661 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 662 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 663 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 664 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 665 dev_info(&pf->pdev->dev, 666 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 667 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 668 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 669 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 670 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 671 dev_info(&pf->pdev->dev, 672 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 673 vsi->info.stat_counter_idx, vsi->info.sched_id); 674 dev_info(&pf->pdev->dev, 675 " 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", 676 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 677 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 678 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 679 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 680 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 681 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 682 if (vsi->back) 683 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back); 684 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 685 dev_info(&pf->pdev->dev, 686 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 687 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 688 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 689 dev_info(&pf->pdev->dev, 690 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 691 i, vsi->tc_config.tc_info[i].qoffset, 692 vsi->tc_config.tc_info[i].qcount, 693 vsi->tc_config.tc_info[i].netdev_tc); 694 } 695 dev_info(&pf->pdev->dev, 696 " bw: bw_limit = %d, bw_max_quanta = %d\n", 697 vsi->bw_limit, vsi->bw_max_quanta); 698 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 699 dev_info(&pf->pdev->dev, 700 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 701 i, vsi->bw_ets_share_credits[i], 702 vsi->bw_ets_limit_credits[i], 703 vsi->bw_ets_max_quanta[i]); 704 } 705 #ifdef I40E_FCOE 706 if (vsi->type == I40E_VSI_FCOE) { 707 dev_info(&pf->pdev->dev, 708 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n", 709 vsi->fcoe_stats.rx_fcoe_packets, 710 vsi->fcoe_stats.rx_fcoe_dwords, 711 vsi->fcoe_stats.rx_fcoe_dropped); 712 dev_info(&pf->pdev->dev, 713 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n", 714 vsi->fcoe_stats.tx_fcoe_packets, 715 vsi->fcoe_stats.tx_fcoe_dwords); 716 dev_info(&pf->pdev->dev, 717 " fcoe_stats: bad_crc = %llu, last_error = %llu\n", 718 vsi->fcoe_stats.fcoe_bad_fccrc, 719 vsi->fcoe_stats.fcoe_last_error); 720 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n", 721 vsi->fcoe_stats.fcoe_ddp_count); 722 } 723 #endif 724 } 725 726 /** 727 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 728 * @pf: the i40e_pf created in command write 729 **/ 730 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 731 { 732 struct i40e_adminq_ring *ring; 733 struct i40e_hw *hw = &pf->hw; 734 char hdr[32]; 735 int i; 736 737 snprintf(hdr, sizeof(hdr), "%s %s: ", 738 dev_driver_string(&pf->pdev->dev), 739 dev_name(&pf->pdev->dev)); 740 741 /* first the send (command) ring, then the receive (event) ring */ 742 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 743 ring = &(hw->aq.asq); 744 for (i = 0; i < ring->count; i++) { 745 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 746 dev_info(&pf->pdev->dev, 747 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 748 i, d->flags, d->opcode, d->datalen, d->retval, 749 d->cookie_high, d->cookie_low); 750 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 751 16, 1, d->params.raw, 16, 0); 752 } 753 754 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 755 ring = &(hw->aq.arq); 756 for (i = 0; i < ring->count; i++) { 757 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 758 dev_info(&pf->pdev->dev, 759 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 760 i, d->flags, d->opcode, d->datalen, d->retval, 761 d->cookie_high, d->cookie_low); 762 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 763 16, 1, d->params.raw, 16, 0); 764 } 765 } 766 767 /** 768 * i40e_dbg_dump_desc - handles dump desc write into command datum 769 * @cnt: number of arguments that the user supplied 770 * @vsi_seid: vsi id entered by user 771 * @ring_id: ring id entered by user 772 * @desc_n: descriptor number entered by user 773 * @pf: the i40e_pf created in command write 774 * @is_rx_ring: true if rx, false if tx 775 **/ 776 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 777 struct i40e_pf *pf, bool is_rx_ring) 778 { 779 struct i40e_tx_desc *txd; 780 union i40e_rx_desc *rxd; 781 struct i40e_ring *ring; 782 struct i40e_vsi *vsi; 783 int i; 784 785 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 786 if (!vsi) { 787 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 788 return; 789 } 790 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 791 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 792 return; 793 } 794 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 795 dev_info(&pf->pdev->dev, 796 "descriptor rings have not been allocated for vsi %d\n", 797 vsi_seid); 798 return; 799 } 800 801 ring = kmemdup(is_rx_ring 802 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], 803 sizeof(*ring), GFP_KERNEL); 804 if (!ring) 805 return; 806 807 if (cnt == 2) { 808 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 809 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 810 for (i = 0; i < ring->count; i++) { 811 if (!is_rx_ring) { 812 txd = I40E_TX_DESC(ring, i); 813 dev_info(&pf->pdev->dev, 814 " d[%03i] = 0x%016llx 0x%016llx\n", 815 i, txd->buffer_addr, 816 txd->cmd_type_offset_bsz); 817 } else if (sizeof(union i40e_rx_desc) == 818 sizeof(union i40e_16byte_rx_desc)) { 819 rxd = I40E_RX_DESC(ring, i); 820 dev_info(&pf->pdev->dev, 821 " d[%03i] = 0x%016llx 0x%016llx\n", 822 i, rxd->read.pkt_addr, 823 rxd->read.hdr_addr); 824 } else { 825 rxd = I40E_RX_DESC(ring, i); 826 dev_info(&pf->pdev->dev, 827 " d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 828 i, rxd->read.pkt_addr, 829 rxd->read.hdr_addr, 830 rxd->read.rsvd1, rxd->read.rsvd2); 831 } 832 } 833 } else if (cnt == 3) { 834 if (desc_n >= ring->count || desc_n < 0) { 835 dev_info(&pf->pdev->dev, 836 "descriptor %d not found\n", desc_n); 837 goto out; 838 } 839 if (!is_rx_ring) { 840 txd = I40E_TX_DESC(ring, desc_n); 841 dev_info(&pf->pdev->dev, 842 "vsi = %02i tx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", 843 vsi_seid, ring_id, desc_n, 844 txd->buffer_addr, txd->cmd_type_offset_bsz); 845 } else if (sizeof(union i40e_rx_desc) == 846 sizeof(union i40e_16byte_rx_desc)) { 847 rxd = I40E_RX_DESC(ring, desc_n); 848 dev_info(&pf->pdev->dev, 849 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx\n", 850 vsi_seid, ring_id, desc_n, 851 rxd->read.pkt_addr, rxd->read.hdr_addr); 852 } else { 853 rxd = I40E_RX_DESC(ring, desc_n); 854 dev_info(&pf->pdev->dev, 855 "vsi = %02i rx ring = %02i d[%03i] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 856 vsi_seid, ring_id, desc_n, 857 rxd->read.pkt_addr, rxd->read.hdr_addr, 858 rxd->read.rsvd1, rxd->read.rsvd2); 859 } 860 } else { 861 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); 862 } 863 864 out: 865 kfree(ring); 866 } 867 868 /** 869 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 870 * @pf: the i40e_pf created in command write 871 **/ 872 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 873 { 874 int i; 875 876 for (i = 0; i < pf->num_alloc_vsi; i++) 877 if (pf->vsi[i]) 878 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 879 i, pf->vsi[i]->seid); 880 } 881 882 /** 883 * i40e_dbg_dump_stats - handles dump stats write into command datum 884 * @pf: the i40e_pf created in command write 885 * @estats: the eth stats structure to be dumped 886 **/ 887 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 888 struct i40e_eth_stats *estats) 889 { 890 dev_info(&pf->pdev->dev, " ethstats:\n"); 891 dev_info(&pf->pdev->dev, 892 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 893 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 894 dev_info(&pf->pdev->dev, 895 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 896 estats->rx_broadcast, estats->rx_discards); 897 dev_info(&pf->pdev->dev, 898 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 899 estats->rx_unknown_protocol, estats->tx_bytes); 900 dev_info(&pf->pdev->dev, 901 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 902 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 903 dev_info(&pf->pdev->dev, 904 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 905 estats->tx_discards, estats->tx_errors); 906 } 907 908 /** 909 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 910 * @pf: the i40e_pf created in command write 911 * @seid: the seid the user put in 912 **/ 913 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 914 { 915 struct i40e_veb *veb; 916 917 if ((seid < I40E_BASE_VEB_SEID) || 918 (seid >= (I40E_MAX_VEB + I40E_BASE_VEB_SEID))) { 919 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 920 return; 921 } 922 923 veb = i40e_dbg_find_veb(pf, seid); 924 if (!veb) { 925 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 926 return; 927 } 928 dev_info(&pf->pdev->dev, 929 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 930 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 931 veb->uplink_seid, 932 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 933 i40e_dbg_dump_eth_stats(pf, &veb->stats); 934 } 935 936 /** 937 * i40e_dbg_dump_veb_all - dumps all known veb's stats 938 * @pf: the i40e_pf created in command write 939 **/ 940 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 941 { 942 struct i40e_veb *veb; 943 int i; 944 945 for (i = 0; i < I40E_MAX_VEB; i++) { 946 veb = pf->veb[i]; 947 if (veb) 948 i40e_dbg_dump_veb_seid(pf, veb->seid); 949 } 950 } 951 952 /** 953 * i40e_dbg_cmd_fd_ctrl - Enable/disable FD sideband/ATR 954 * @pf: the PF that would be altered 955 * @flag: flag that needs enabling or disabling 956 * @enable: Enable/disable FD SD/ATR 957 **/ 958 static void i40e_dbg_cmd_fd_ctrl(struct i40e_pf *pf, u64 flag, bool enable) 959 { 960 if (enable) { 961 pf->flags |= flag; 962 } else { 963 pf->flags &= ~flag; 964 pf->auto_disable_flags |= flag; 965 } 966 dev_info(&pf->pdev->dev, "requesting a PF reset\n"); 967 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); 968 } 969 970 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 971 /** 972 * i40e_dbg_command_write - write into command datum 973 * @filp: the opened file 974 * @buffer: where to find the user's data 975 * @count: the length of the user's data 976 * @ppos: file position offset 977 **/ 978 static ssize_t i40e_dbg_command_write(struct file *filp, 979 const char __user *buffer, 980 size_t count, loff_t *ppos) 981 { 982 struct i40e_pf *pf = filp->private_data; 983 char *cmd_buf, *cmd_buf_tmp; 984 int bytes_not_copied; 985 struct i40e_vsi *vsi; 986 int vsi_seid; 987 int veb_seid; 988 int cnt; 989 990 /* don't allow partial writes */ 991 if (*ppos != 0) 992 return 0; 993 994 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 995 if (!cmd_buf) 996 return count; 997 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 998 if (bytes_not_copied < 0) { 999 kfree(cmd_buf); 1000 return bytes_not_copied; 1001 } 1002 if (bytes_not_copied > 0) 1003 count -= bytes_not_copied; 1004 cmd_buf[count] = '\0'; 1005 1006 cmd_buf_tmp = strchr(cmd_buf, '\n'); 1007 if (cmd_buf_tmp) { 1008 *cmd_buf_tmp = '\0'; 1009 count = cmd_buf_tmp - cmd_buf + 1; 1010 } 1011 1012 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 1013 vsi_seid = -1; 1014 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 1015 if (cnt == 0) { 1016 /* default to PF VSI */ 1017 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 1018 } else if (vsi_seid < 0) { 1019 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 1020 vsi_seid); 1021 goto command_write_done; 1022 } 1023 1024 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 1025 if (vsi) 1026 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 1027 vsi->seid, vsi->uplink_seid); 1028 else 1029 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 1030 1031 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 1032 sscanf(&cmd_buf[7], "%i", &vsi_seid); 1033 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1034 if (!vsi) { 1035 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 1036 vsi_seid); 1037 goto command_write_done; 1038 } 1039 1040 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 1041 i40e_vsi_release(vsi); 1042 1043 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 1044 struct i40e_veb *veb; 1045 int uplink_seid, i; 1046 1047 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 1048 if (cnt != 2) { 1049 dev_info(&pf->pdev->dev, 1050 "add relay: bad command string, cnt=%d\n", 1051 cnt); 1052 goto command_write_done; 1053 } else if (uplink_seid < 0) { 1054 dev_info(&pf->pdev->dev, 1055 "add relay %d: bad uplink seid\n", 1056 uplink_seid); 1057 goto command_write_done; 1058 } 1059 1060 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1061 if (!vsi) { 1062 dev_info(&pf->pdev->dev, 1063 "add relay: VSI %d not found\n", vsi_seid); 1064 goto command_write_done; 1065 } 1066 1067 for (i = 0; i < I40E_MAX_VEB; i++) 1068 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 1069 break; 1070 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 1071 uplink_seid != pf->mac_seid) { 1072 dev_info(&pf->pdev->dev, 1073 "add relay: relay uplink %d not found\n", 1074 uplink_seid); 1075 goto command_write_done; 1076 } 1077 1078 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 1079 vsi->tc_config.enabled_tc); 1080 if (veb) 1081 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 1082 else 1083 dev_info(&pf->pdev->dev, "add relay failed\n"); 1084 1085 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 1086 int i; 1087 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 1088 if (cnt != 1) { 1089 dev_info(&pf->pdev->dev, 1090 "del relay: bad command string, cnt=%d\n", 1091 cnt); 1092 goto command_write_done; 1093 } else if (veb_seid < 0) { 1094 dev_info(&pf->pdev->dev, 1095 "del relay %d: bad relay seid\n", veb_seid); 1096 goto command_write_done; 1097 } 1098 1099 /* find the veb */ 1100 for (i = 0; i < I40E_MAX_VEB; i++) 1101 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 1102 break; 1103 if (i >= I40E_MAX_VEB) { 1104 dev_info(&pf->pdev->dev, 1105 "del relay: relay %d not found\n", veb_seid); 1106 goto command_write_done; 1107 } 1108 1109 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 1110 i40e_veb_release(pf->veb[i]); 1111 1112 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { 1113 struct i40e_mac_filter *f; 1114 int vlan = 0; 1115 u8 ma[6]; 1116 int ret; 1117 1118 cnt = sscanf(&cmd_buf[11], 1119 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1120 &vsi_seid, 1121 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1122 &vlan); 1123 if (cnt == 7) { 1124 vlan = 0; 1125 } else if (cnt != 8) { 1126 dev_info(&pf->pdev->dev, 1127 "add macaddr: bad command string, cnt=%d\n", 1128 cnt); 1129 goto command_write_done; 1130 } 1131 1132 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1133 if (!vsi) { 1134 dev_info(&pf->pdev->dev, 1135 "add macaddr: VSI %d not found\n", vsi_seid); 1136 goto command_write_done; 1137 } 1138 1139 f = i40e_add_filter(vsi, ma, vlan, false, false); 1140 ret = i40e_sync_vsi_filters(vsi); 1141 if (f && !ret) 1142 dev_info(&pf->pdev->dev, 1143 "add macaddr: %pM vlan=%d added to VSI %d\n", 1144 ma, vlan, vsi_seid); 1145 else 1146 dev_info(&pf->pdev->dev, 1147 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", 1148 ma, vlan, vsi_seid, f, ret); 1149 1150 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { 1151 int vlan = 0; 1152 u8 ma[6]; 1153 int ret; 1154 1155 cnt = sscanf(&cmd_buf[11], 1156 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 1157 &vsi_seid, 1158 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 1159 &vlan); 1160 if (cnt == 7) { 1161 vlan = 0; 1162 } else if (cnt != 8) { 1163 dev_info(&pf->pdev->dev, 1164 "del macaddr: bad command string, cnt=%d\n", 1165 cnt); 1166 goto command_write_done; 1167 } 1168 1169 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1170 if (!vsi) { 1171 dev_info(&pf->pdev->dev, 1172 "del macaddr: VSI %d not found\n", vsi_seid); 1173 goto command_write_done; 1174 } 1175 1176 i40e_del_filter(vsi, ma, vlan, false, false); 1177 ret = i40e_sync_vsi_filters(vsi); 1178 if (!ret) 1179 dev_info(&pf->pdev->dev, 1180 "del macaddr: %pM vlan=%d removed from VSI %d\n", 1181 ma, vlan, vsi_seid); 1182 else 1183 dev_info(&pf->pdev->dev, 1184 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", 1185 ma, vlan, vsi_seid, ret); 1186 1187 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 1188 i40e_status ret; 1189 u16 vid; 1190 unsigned int v; 1191 1192 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 1193 if (cnt != 2) { 1194 dev_info(&pf->pdev->dev, 1195 "add pvid: bad command string, cnt=%d\n", cnt); 1196 goto command_write_done; 1197 } 1198 1199 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1200 if (!vsi) { 1201 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 1202 vsi_seid); 1203 goto command_write_done; 1204 } 1205 1206 vid = v; 1207 ret = i40e_vsi_add_pvid(vsi, vid); 1208 if (!ret) 1209 dev_info(&pf->pdev->dev, 1210 "add pvid: %d added to VSI %d\n", 1211 vid, vsi_seid); 1212 else 1213 dev_info(&pf->pdev->dev, 1214 "add pvid: %d to VSI %d failed, ret=%d\n", 1215 vid, vsi_seid, ret); 1216 1217 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 1218 1219 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1220 if (cnt != 1) { 1221 dev_info(&pf->pdev->dev, 1222 "del pvid: bad command string, cnt=%d\n", 1223 cnt); 1224 goto command_write_done; 1225 } 1226 1227 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1228 if (!vsi) { 1229 dev_info(&pf->pdev->dev, 1230 "del pvid: VSI %d not found\n", vsi_seid); 1231 goto command_write_done; 1232 } 1233 1234 i40e_vsi_remove_pvid(vsi); 1235 dev_info(&pf->pdev->dev, 1236 "del pvid: removed from VSI %d\n", vsi_seid); 1237 1238 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 1239 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 1240 i40e_fetch_switch_configuration(pf, true); 1241 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 1242 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1243 if (cnt > 0) 1244 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 1245 else 1246 i40e_dbg_dump_vsi_no_seid(pf); 1247 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 1248 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1249 if (cnt > 0) 1250 i40e_dbg_dump_veb_seid(pf, vsi_seid); 1251 else 1252 i40e_dbg_dump_veb_all(pf); 1253 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 1254 int ring_id, desc_n; 1255 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 1256 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1257 &vsi_seid, &ring_id, &desc_n); 1258 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1259 desc_n, pf, true); 1260 } else if (strncmp(&cmd_buf[10], "tx", 2) 1261 == 0) { 1262 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1263 &vsi_seid, &ring_id, &desc_n); 1264 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1265 desc_n, pf, false); 1266 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1267 i40e_dbg_dump_aq_desc(pf); 1268 } else { 1269 dev_info(&pf->pdev->dev, 1270 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1271 dev_info(&pf->pdev->dev, 1272 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1273 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1274 } 1275 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1276 dev_info(&pf->pdev->dev, 1277 "core reset count: %d\n", pf->corer_count); 1278 dev_info(&pf->pdev->dev, 1279 "global reset count: %d\n", pf->globr_count); 1280 dev_info(&pf->pdev->dev, 1281 "emp reset count: %d\n", pf->empr_count); 1282 dev_info(&pf->pdev->dev, 1283 "pf reset count: %d\n", pf->pfr_count); 1284 dev_info(&pf->pdev->dev, 1285 "pf tx sluggish count: %d\n", 1286 pf->tx_sluggish_count); 1287 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1288 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1289 struct i40e_dcbx_config *cfg = 1290 &pf->hw.local_dcbx_config; 1291 struct i40e_dcbx_config *r_cfg = 1292 &pf->hw.remote_dcbx_config; 1293 int i, ret; 1294 1295 bw_data = kzalloc(sizeof( 1296 struct i40e_aqc_query_port_ets_config_resp), 1297 GFP_KERNEL); 1298 if (!bw_data) { 1299 ret = -ENOMEM; 1300 goto command_write_done; 1301 } 1302 1303 ret = i40e_aq_query_port_ets_config(&pf->hw, 1304 pf->mac_seid, 1305 bw_data, NULL); 1306 if (ret) { 1307 dev_info(&pf->pdev->dev, 1308 "Query Port ETS Config AQ command failed =0x%x\n", 1309 pf->hw.aq.asq_last_status); 1310 kfree(bw_data); 1311 bw_data = NULL; 1312 goto command_write_done; 1313 } 1314 dev_info(&pf->pdev->dev, 1315 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1316 bw_data->tc_valid_bits, 1317 bw_data->tc_strict_priority_bits, 1318 le16_to_cpu(bw_data->tc_bw_max[0]), 1319 le16_to_cpu(bw_data->tc_bw_max[1])); 1320 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1321 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1322 bw_data->tc_bw_share_credits[i], 1323 le16_to_cpu(bw_data->tc_bw_limits[i])); 1324 } 1325 1326 kfree(bw_data); 1327 bw_data = NULL; 1328 1329 dev_info(&pf->pdev->dev, 1330 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1331 dev_info(&pf->pdev->dev, 1332 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1333 cfg->etscfg.willing, cfg->etscfg.cbs, 1334 cfg->etscfg.maxtcs); 1335 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1336 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1337 i, cfg->etscfg.prioritytable[i], 1338 cfg->etscfg.tcbwtable[i], 1339 cfg->etscfg.tsatable[i]); 1340 } 1341 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1342 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1343 i, cfg->etsrec.prioritytable[i], 1344 cfg->etsrec.tcbwtable[i], 1345 cfg->etsrec.tsatable[i]); 1346 } 1347 dev_info(&pf->pdev->dev, 1348 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1349 cfg->pfc.willing, cfg->pfc.mbc, 1350 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1351 dev_info(&pf->pdev->dev, 1352 "port app_table: num_apps=%d\n", cfg->numapps); 1353 for (i = 0; i < cfg->numapps; i++) { 1354 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1355 i, cfg->app[i].priority, 1356 cfg->app[i].selector, 1357 cfg->app[i].protocolid); 1358 } 1359 /* Peer TLV DCBX data */ 1360 dev_info(&pf->pdev->dev, 1361 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1362 r_cfg->etscfg.willing, 1363 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1364 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1365 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1366 i, r_cfg->etscfg.prioritytable[i], 1367 r_cfg->etscfg.tcbwtable[i], 1368 r_cfg->etscfg.tsatable[i]); 1369 } 1370 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1371 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1372 i, r_cfg->etsrec.prioritytable[i], 1373 r_cfg->etsrec.tcbwtable[i], 1374 r_cfg->etsrec.tsatable[i]); 1375 } 1376 dev_info(&pf->pdev->dev, 1377 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1378 r_cfg->pfc.willing, 1379 r_cfg->pfc.mbc, 1380 r_cfg->pfc.pfccap, 1381 r_cfg->pfc.pfcenable); 1382 dev_info(&pf->pdev->dev, 1383 "remote port app_table: num_apps=%d\n", 1384 r_cfg->numapps); 1385 for (i = 0; i < r_cfg->numapps; i++) { 1386 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1387 i, r_cfg->app[i].priority, 1388 r_cfg->app[i].selector, 1389 r_cfg->app[i].protocolid); 1390 } 1391 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1392 int cluster_id, table_id; 1393 int index, ret; 1394 u16 buff_len = 4096; 1395 u32 next_index; 1396 u8 next_table; 1397 u8 *buff; 1398 u16 rlen; 1399 1400 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1401 &cluster_id, &table_id, &index); 1402 if (cnt != 3) { 1403 dev_info(&pf->pdev->dev, 1404 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1405 goto command_write_done; 1406 } 1407 1408 dev_info(&pf->pdev->dev, 1409 "AQ debug dump fwdata params %x %x %x %x\n", 1410 cluster_id, table_id, index, buff_len); 1411 buff = kzalloc(buff_len, GFP_KERNEL); 1412 if (!buff) 1413 goto command_write_done; 1414 1415 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1416 index, buff_len, buff, &rlen, 1417 &next_table, &next_index, 1418 NULL); 1419 if (ret) { 1420 dev_info(&pf->pdev->dev, 1421 "debug dump fwdata AQ Failed %d 0x%x\n", 1422 ret, pf->hw.aq.asq_last_status); 1423 kfree(buff); 1424 buff = NULL; 1425 goto command_write_done; 1426 } 1427 dev_info(&pf->pdev->dev, 1428 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1429 rlen, next_table, next_index); 1430 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1431 DUMP_PREFIX_OFFSET, 16, 1, 1432 buff, rlen, true); 1433 kfree(buff); 1434 buff = NULL; 1435 } else { 1436 dev_info(&pf->pdev->dev, 1437 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1438 dev_info(&pf->pdev->dev, "dump switch\n"); 1439 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1440 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1441 dev_info(&pf->pdev->dev, "dump port\n"); 1442 dev_info(&pf->pdev->dev, 1443 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1444 } 1445 1446 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1447 u32 level; 1448 cnt = sscanf(&cmd_buf[10], "%i", &level); 1449 if (cnt) { 1450 if (I40E_DEBUG_USER & level) { 1451 pf->hw.debug_mask = level; 1452 dev_info(&pf->pdev->dev, 1453 "set hw.debug_mask = 0x%08x\n", 1454 pf->hw.debug_mask); 1455 } 1456 pf->msg_enable = level; 1457 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1458 pf->msg_enable); 1459 } else { 1460 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1461 pf->msg_enable); 1462 } 1463 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1464 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1465 i40e_do_reset_safe(pf, (1 << __I40E_PF_RESET_REQUESTED)); 1466 1467 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1468 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1469 i40e_do_reset_safe(pf, (1 << __I40E_CORE_RESET_REQUESTED)); 1470 1471 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1472 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1473 i40e_do_reset_safe(pf, (1 << __I40E_GLOBAL_RESET_REQUESTED)); 1474 1475 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1476 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1477 i40e_do_reset_safe(pf, (1 << __I40E_EMP_RESET_REQUESTED)); 1478 1479 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1480 u32 address; 1481 u32 value; 1482 cnt = sscanf(&cmd_buf[4], "%i", &address); 1483 if (cnt != 1) { 1484 dev_info(&pf->pdev->dev, "read <reg>\n"); 1485 goto command_write_done; 1486 } 1487 1488 /* check the range on address */ 1489 if (address >= I40E_MAX_REGISTER) { 1490 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large\n", 1491 address); 1492 goto command_write_done; 1493 } 1494 1495 value = rd32(&pf->hw, address); 1496 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1497 address, value); 1498 1499 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1500 u32 address, value; 1501 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1502 if (cnt != 2) { 1503 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1504 goto command_write_done; 1505 } 1506 1507 /* check the range on address */ 1508 if (address >= I40E_MAX_REGISTER) { 1509 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large\n", 1510 address); 1511 goto command_write_done; 1512 } 1513 wr32(&pf->hw, address, value); 1514 value = rd32(&pf->hw, address); 1515 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1516 address, value); 1517 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1518 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1519 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1520 if (cnt == 0) { 1521 int i; 1522 for (i = 0; i < pf->num_alloc_vsi; i++) 1523 i40e_vsi_reset_stats(pf->vsi[i]); 1524 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1525 } else if (cnt == 1) { 1526 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1527 if (!vsi) { 1528 dev_info(&pf->pdev->dev, 1529 "clear_stats vsi: bad vsi %d\n", 1530 vsi_seid); 1531 goto command_write_done; 1532 } 1533 i40e_vsi_reset_stats(vsi); 1534 dev_info(&pf->pdev->dev, 1535 "vsi clear stats called for vsi %d\n", 1536 vsi_seid); 1537 } else { 1538 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1539 } 1540 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1541 if (pf->hw.partition_id == 1) { 1542 i40e_pf_reset_stats(pf); 1543 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1544 } else { 1545 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1546 } 1547 } else { 1548 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1549 } 1550 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1551 struct i40e_aq_desc *desc; 1552 i40e_status ret; 1553 1554 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1555 if (!desc) 1556 goto command_write_done; 1557 cnt = sscanf(&cmd_buf[11], 1558 "%hi %hi %hi %hi %i %i %i %i %i %i", 1559 &desc->flags, 1560 &desc->opcode, &desc->datalen, &desc->retval, 1561 &desc->cookie_high, &desc->cookie_low, 1562 &desc->params.internal.param0, 1563 &desc->params.internal.param1, 1564 &desc->params.internal.param2, 1565 &desc->params.internal.param3); 1566 if (cnt != 10) { 1567 dev_info(&pf->pdev->dev, 1568 "send aq_cmd: bad command string, cnt=%d\n", 1569 cnt); 1570 kfree(desc); 1571 desc = NULL; 1572 goto command_write_done; 1573 } 1574 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1575 if (!ret) { 1576 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1577 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1578 dev_info(&pf->pdev->dev, 1579 "AQ command send failed Opcode %x AQ Error: %d\n", 1580 desc->opcode, pf->hw.aq.asq_last_status); 1581 } else { 1582 dev_info(&pf->pdev->dev, 1583 "AQ command send failed Opcode %x Status: %d\n", 1584 desc->opcode, ret); 1585 } 1586 dev_info(&pf->pdev->dev, 1587 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1588 desc->flags, desc->opcode, desc->datalen, desc->retval, 1589 desc->cookie_high, desc->cookie_low, 1590 desc->params.internal.param0, 1591 desc->params.internal.param1, 1592 desc->params.internal.param2, 1593 desc->params.internal.param3); 1594 kfree(desc); 1595 desc = NULL; 1596 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1597 struct i40e_aq_desc *desc; 1598 i40e_status ret; 1599 u16 buffer_len; 1600 u8 *buff; 1601 1602 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1603 if (!desc) 1604 goto command_write_done; 1605 cnt = sscanf(&cmd_buf[20], 1606 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1607 &desc->flags, 1608 &desc->opcode, &desc->datalen, &desc->retval, 1609 &desc->cookie_high, &desc->cookie_low, 1610 &desc->params.internal.param0, 1611 &desc->params.internal.param1, 1612 &desc->params.internal.param2, 1613 &desc->params.internal.param3, 1614 &buffer_len); 1615 if (cnt != 11) { 1616 dev_info(&pf->pdev->dev, 1617 "send indirect aq_cmd: bad command string, cnt=%d\n", 1618 cnt); 1619 kfree(desc); 1620 desc = NULL; 1621 goto command_write_done; 1622 } 1623 /* Just stub a buffer big enough in case user messed up */ 1624 if (buffer_len == 0) 1625 buffer_len = 1280; 1626 1627 buff = kzalloc(buffer_len, GFP_KERNEL); 1628 if (!buff) { 1629 kfree(desc); 1630 desc = NULL; 1631 goto command_write_done; 1632 } 1633 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1634 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1635 buffer_len, NULL); 1636 if (!ret) { 1637 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1638 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1639 dev_info(&pf->pdev->dev, 1640 "AQ command send failed Opcode %x AQ Error: %d\n", 1641 desc->opcode, pf->hw.aq.asq_last_status); 1642 } else { 1643 dev_info(&pf->pdev->dev, 1644 "AQ command send failed Opcode %x Status: %d\n", 1645 desc->opcode, ret); 1646 } 1647 dev_info(&pf->pdev->dev, 1648 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1649 desc->flags, desc->opcode, desc->datalen, desc->retval, 1650 desc->cookie_high, desc->cookie_low, 1651 desc->params.internal.param0, 1652 desc->params.internal.param1, 1653 desc->params.internal.param2, 1654 desc->params.internal.param3); 1655 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1656 DUMP_PREFIX_OFFSET, 16, 1, 1657 buff, buffer_len, true); 1658 kfree(buff); 1659 buff = NULL; 1660 kfree(desc); 1661 desc = NULL; 1662 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || 1663 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { 1664 struct i40e_fdir_filter fd_data; 1665 u16 packet_len, i, j = 0; 1666 char *asc_packet; 1667 u8 *raw_packet; 1668 bool add = false; 1669 int ret; 1670 1671 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 1672 goto command_write_done; 1673 1674 if (strncmp(cmd_buf, "add", 3) == 0) 1675 add = true; 1676 1677 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) 1678 goto command_write_done; 1679 1680 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1681 GFP_KERNEL); 1682 if (!asc_packet) 1683 goto command_write_done; 1684 1685 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1686 GFP_KERNEL); 1687 1688 if (!raw_packet) { 1689 kfree(asc_packet); 1690 asc_packet = NULL; 1691 goto command_write_done; 1692 } 1693 1694 cnt = sscanf(&cmd_buf[13], 1695 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", 1696 &fd_data.q_index, 1697 &fd_data.flex_off, &fd_data.pctype, 1698 &fd_data.dest_vsi, &fd_data.dest_ctl, 1699 &fd_data.fd_status, &fd_data.cnt_index, 1700 &fd_data.fd_id, &packet_len, asc_packet); 1701 if (cnt != 10) { 1702 dev_info(&pf->pdev->dev, 1703 "program fd_filter: bad command string, cnt=%d\n", 1704 cnt); 1705 kfree(asc_packet); 1706 asc_packet = NULL; 1707 kfree(raw_packet); 1708 goto command_write_done; 1709 } 1710 1711 /* fix packet length if user entered 0 */ 1712 if (packet_len == 0) 1713 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; 1714 1715 /* make sure to check the max as well */ 1716 packet_len = min_t(u16, 1717 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); 1718 1719 for (i = 0; i < packet_len; i++) { 1720 sscanf(&asc_packet[j], "%2hhx ", 1721 &raw_packet[i]); 1722 j += 3; 1723 } 1724 dev_info(&pf->pdev->dev, "FD raw packet dump\n"); 1725 print_hex_dump(KERN_INFO, "FD raw packet: ", 1726 DUMP_PREFIX_OFFSET, 16, 1, 1727 raw_packet, packet_len, true); 1728 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); 1729 if (!ret) { 1730 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); 1731 } else { 1732 dev_info(&pf->pdev->dev, 1733 "Filter command send failed %d\n", ret); 1734 } 1735 kfree(raw_packet); 1736 raw_packet = NULL; 1737 kfree(asc_packet); 1738 asc_packet = NULL; 1739 } else if (strncmp(cmd_buf, "fd-atr off", 10) == 0) { 1740 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, false); 1741 } else if (strncmp(cmd_buf, "fd-atr on", 9) == 0) { 1742 i40e_dbg_cmd_fd_ctrl(pf, I40E_FLAG_FD_ATR_ENABLED, true); 1743 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1744 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1745 i40e_get_current_fd_count(pf)); 1746 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1747 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1748 int ret; 1749 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1750 if (ret) { 1751 dev_info(&pf->pdev->dev, 1752 "Stop LLDP AQ command failed =0x%x\n", 1753 pf->hw.aq.asq_last_status); 1754 goto command_write_done; 1755 } 1756 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1757 pf->hw.mac.addr, 1758 I40E_ETH_P_LLDP, 0, 1759 pf->vsi[pf->lan_vsi]->seid, 1760 0, true, NULL, NULL); 1761 if (ret) { 1762 dev_info(&pf->pdev->dev, 1763 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1764 __func__, pf->hw.aq.asq_last_status); 1765 goto command_write_done; 1766 } 1767 #ifdef CONFIG_I40E_DCB 1768 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1769 DCB_CAP_DCBX_VER_IEEE; 1770 #endif /* CONFIG_I40E_DCB */ 1771 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1772 int ret; 1773 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1774 pf->hw.mac.addr, 1775 I40E_ETH_P_LLDP, 0, 1776 pf->vsi[pf->lan_vsi]->seid, 1777 0, false, NULL, NULL); 1778 if (ret) { 1779 dev_info(&pf->pdev->dev, 1780 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1781 __func__, pf->hw.aq.asq_last_status); 1782 /* Continue and start FW LLDP anyways */ 1783 } 1784 1785 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1786 if (ret) { 1787 dev_info(&pf->pdev->dev, 1788 "Start LLDP AQ command failed =0x%x\n", 1789 pf->hw.aq.asq_last_status); 1790 goto command_write_done; 1791 } 1792 #ifdef CONFIG_I40E_DCB 1793 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1794 DCB_CAP_DCBX_VER_IEEE; 1795 #endif /* CONFIG_I40E_DCB */ 1796 } else if (strncmp(&cmd_buf[5], 1797 "get local", 9) == 0) { 1798 u16 llen, rlen; 1799 int ret; 1800 u8 *buff; 1801 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1802 if (!buff) 1803 goto command_write_done; 1804 1805 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1806 I40E_AQ_LLDP_MIB_LOCAL, 1807 buff, I40E_LLDPDU_SIZE, 1808 &llen, &rlen, NULL); 1809 if (ret) { 1810 dev_info(&pf->pdev->dev, 1811 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1812 pf->hw.aq.asq_last_status); 1813 kfree(buff); 1814 buff = NULL; 1815 goto command_write_done; 1816 } 1817 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1818 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1819 DUMP_PREFIX_OFFSET, 16, 1, 1820 buff, I40E_LLDPDU_SIZE, true); 1821 kfree(buff); 1822 buff = NULL; 1823 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1824 u16 llen, rlen; 1825 int ret; 1826 u8 *buff; 1827 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1828 if (!buff) 1829 goto command_write_done; 1830 1831 ret = i40e_aq_get_lldp_mib(&pf->hw, 1832 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1833 I40E_AQ_LLDP_MIB_REMOTE, 1834 buff, I40E_LLDPDU_SIZE, 1835 &llen, &rlen, NULL); 1836 if (ret) { 1837 dev_info(&pf->pdev->dev, 1838 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1839 pf->hw.aq.asq_last_status); 1840 kfree(buff); 1841 buff = NULL; 1842 goto command_write_done; 1843 } 1844 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1845 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1846 DUMP_PREFIX_OFFSET, 16, 1, 1847 buff, I40E_LLDPDU_SIZE, true); 1848 kfree(buff); 1849 buff = NULL; 1850 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1851 int ret; 1852 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1853 true, NULL); 1854 if (ret) { 1855 dev_info(&pf->pdev->dev, 1856 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1857 pf->hw.aq.asq_last_status); 1858 goto command_write_done; 1859 } 1860 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1861 int ret; 1862 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1863 false, NULL); 1864 if (ret) { 1865 dev_info(&pf->pdev->dev, 1866 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1867 pf->hw.aq.asq_last_status); 1868 goto command_write_done; 1869 } 1870 } 1871 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1872 u16 buffer_len, bytes; 1873 u16 module; 1874 u32 offset; 1875 u16 *buff; 1876 int ret; 1877 1878 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1879 &module, &offset, &buffer_len); 1880 if (cnt == 0) { 1881 module = 0; 1882 offset = 0; 1883 buffer_len = 0; 1884 } else if (cnt == 1) { 1885 offset = 0; 1886 buffer_len = 0; 1887 } else if (cnt == 2) { 1888 buffer_len = 0; 1889 } else if (cnt > 3) { 1890 dev_info(&pf->pdev->dev, 1891 "nvm read: bad command string, cnt=%d\n", cnt); 1892 goto command_write_done; 1893 } 1894 1895 /* set the max length */ 1896 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1897 1898 bytes = 2 * buffer_len; 1899 1900 /* read at least 1k bytes, no more than 4kB */ 1901 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1902 buff = kzalloc(bytes, GFP_KERNEL); 1903 if (!buff) 1904 goto command_write_done; 1905 1906 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1907 if (ret) { 1908 dev_info(&pf->pdev->dev, 1909 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1910 ret, pf->hw.aq.asq_last_status); 1911 kfree(buff); 1912 goto command_write_done; 1913 } 1914 1915 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1916 bytes, (u8 *)buff, true, NULL); 1917 i40e_release_nvm(&pf->hw); 1918 if (ret) { 1919 dev_info(&pf->pdev->dev, 1920 "Read NVM AQ failed err=%d status=0x%x\n", 1921 ret, pf->hw.aq.asq_last_status); 1922 } else { 1923 dev_info(&pf->pdev->dev, 1924 "Read NVM module=0x%x offset=0x%x words=%d\n", 1925 module, offset, buffer_len); 1926 if (bytes) 1927 print_hex_dump(KERN_INFO, "NVM Dump: ", 1928 DUMP_PREFIX_OFFSET, 16, 2, 1929 buff, bytes, true); 1930 } 1931 kfree(buff); 1932 buff = NULL; 1933 } else { 1934 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1935 dev_info(&pf->pdev->dev, "available commands\n"); 1936 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1937 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1938 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1939 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1940 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1941 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1942 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1943 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1944 dev_info(&pf->pdev->dev, " dump switch\n"); 1945 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1946 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1947 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1948 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1949 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1950 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1951 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1952 dev_info(&pf->pdev->dev, " read <reg>\n"); 1953 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1954 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1955 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1956 dev_info(&pf->pdev->dev, " pfr\n"); 1957 dev_info(&pf->pdev->dev, " corer\n"); 1958 dev_info(&pf->pdev->dev, " globr\n"); 1959 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1960 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1961 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"); 1962 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"); 1963 dev_info(&pf->pdev->dev, " fd-atr off\n"); 1964 dev_info(&pf->pdev->dev, " fd-atr on\n"); 1965 dev_info(&pf->pdev->dev, " fd current cnt"); 1966 dev_info(&pf->pdev->dev, " lldp start\n"); 1967 dev_info(&pf->pdev->dev, " lldp stop\n"); 1968 dev_info(&pf->pdev->dev, " lldp get local\n"); 1969 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1970 dev_info(&pf->pdev->dev, " lldp event on\n"); 1971 dev_info(&pf->pdev->dev, " lldp event off\n"); 1972 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1973 } 1974 1975 command_write_done: 1976 kfree(cmd_buf); 1977 cmd_buf = NULL; 1978 return count; 1979 } 1980 1981 static const struct file_operations i40e_dbg_command_fops = { 1982 .owner = THIS_MODULE, 1983 .open = simple_open, 1984 .read = i40e_dbg_command_read, 1985 .write = i40e_dbg_command_write, 1986 }; 1987 1988 /************************************************************** 1989 * netdev_ops 1990 * The netdev_ops entry in debugfs is for giving the driver commands 1991 * to be executed from the netdev operations. 1992 **************************************************************/ 1993 static char i40e_dbg_netdev_ops_buf[256] = ""; 1994 1995 /** 1996 * i40e_dbg_netdev_ops - read for netdev_ops datum 1997 * @filp: the opened file 1998 * @buffer: where to write the data for the user to read 1999 * @count: the size of the user's buffer 2000 * @ppos: file position offset 2001 **/ 2002 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 2003 size_t count, loff_t *ppos) 2004 { 2005 struct i40e_pf *pf = filp->private_data; 2006 int bytes_not_copied; 2007 int buf_size = 256; 2008 char *buf; 2009 int len; 2010 2011 /* don't allow partal reads */ 2012 if (*ppos != 0) 2013 return 0; 2014 if (count < buf_size) 2015 return -ENOSPC; 2016 2017 buf = kzalloc(buf_size, GFP_KERNEL); 2018 if (!buf) 2019 return -ENOSPC; 2020 2021 len = snprintf(buf, buf_size, "%s: %s\n", 2022 pf->vsi[pf->lan_vsi]->netdev->name, 2023 i40e_dbg_netdev_ops_buf); 2024 2025 bytes_not_copied = copy_to_user(buffer, buf, len); 2026 kfree(buf); 2027 2028 if (bytes_not_copied < 0) 2029 return bytes_not_copied; 2030 2031 *ppos = len; 2032 return len; 2033 } 2034 2035 /** 2036 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 2037 * @filp: the opened file 2038 * @buffer: where to find the user's data 2039 * @count: the length of the user's data 2040 * @ppos: file position offset 2041 **/ 2042 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 2043 const char __user *buffer, 2044 size_t count, loff_t *ppos) 2045 { 2046 struct i40e_pf *pf = filp->private_data; 2047 int bytes_not_copied; 2048 struct i40e_vsi *vsi; 2049 char *buf_tmp; 2050 int vsi_seid; 2051 int i, cnt; 2052 2053 /* don't allow partial writes */ 2054 if (*ppos != 0) 2055 return 0; 2056 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 2057 return -ENOSPC; 2058 2059 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 2060 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 2061 buffer, count); 2062 if (bytes_not_copied < 0) 2063 return bytes_not_copied; 2064 else if (bytes_not_copied > 0) 2065 count -= bytes_not_copied; 2066 i40e_dbg_netdev_ops_buf[count] = '\0'; 2067 2068 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 2069 if (buf_tmp) { 2070 *buf_tmp = '\0'; 2071 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 2072 } 2073 2074 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 2075 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2076 if (cnt != 1) { 2077 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 2078 goto netdev_ops_write_done; 2079 } 2080 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2081 if (!vsi) { 2082 dev_info(&pf->pdev->dev, 2083 "tx_timeout: VSI %d not found\n", vsi_seid); 2084 } else if (!vsi->netdev) { 2085 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 2086 vsi_seid); 2087 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 2088 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 2089 vsi_seid); 2090 } else if (rtnl_trylock()) { 2091 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 2092 rtnl_unlock(); 2093 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 2094 } else { 2095 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2096 } 2097 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 2098 int mtu; 2099 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 2100 &vsi_seid, &mtu); 2101 if (cnt != 2) { 2102 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 2103 goto netdev_ops_write_done; 2104 } 2105 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2106 if (!vsi) { 2107 dev_info(&pf->pdev->dev, 2108 "change_mtu: VSI %d not found\n", vsi_seid); 2109 } else if (!vsi->netdev) { 2110 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 2111 vsi_seid); 2112 } else if (rtnl_trylock()) { 2113 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 2114 mtu); 2115 rtnl_unlock(); 2116 dev_info(&pf->pdev->dev, "change_mtu called\n"); 2117 } else { 2118 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2119 } 2120 2121 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 2122 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 2123 if (cnt != 1) { 2124 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 2125 goto netdev_ops_write_done; 2126 } 2127 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2128 if (!vsi) { 2129 dev_info(&pf->pdev->dev, 2130 "set_rx_mode: VSI %d not found\n", vsi_seid); 2131 } else if (!vsi->netdev) { 2132 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 2133 vsi_seid); 2134 } else if (rtnl_trylock()) { 2135 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 2136 rtnl_unlock(); 2137 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 2138 } else { 2139 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 2140 } 2141 2142 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 2143 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 2144 if (cnt != 1) { 2145 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 2146 goto netdev_ops_write_done; 2147 } 2148 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 2149 if (!vsi) { 2150 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 2151 vsi_seid); 2152 } else if (!vsi->netdev) { 2153 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 2154 vsi_seid); 2155 } else { 2156 for (i = 0; i < vsi->num_q_vectors; i++) 2157 napi_schedule(&vsi->q_vectors[i]->napi); 2158 dev_info(&pf->pdev->dev, "napi called\n"); 2159 } 2160 } else { 2161 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 2162 i40e_dbg_netdev_ops_buf); 2163 dev_info(&pf->pdev->dev, "available commands\n"); 2164 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 2165 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 2166 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 2167 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 2168 } 2169 netdev_ops_write_done: 2170 return count; 2171 } 2172 2173 static const struct file_operations i40e_dbg_netdev_ops_fops = { 2174 .owner = THIS_MODULE, 2175 .open = simple_open, 2176 .read = i40e_dbg_netdev_ops_read, 2177 .write = i40e_dbg_netdev_ops_write, 2178 }; 2179 2180 /** 2181 * i40e_dbg_pf_init - setup the debugfs directory for the PF 2182 * @pf: the PF that is starting up 2183 **/ 2184 void i40e_dbg_pf_init(struct i40e_pf *pf) 2185 { 2186 struct dentry *pfile; 2187 const char *name = pci_name(pf->pdev); 2188 const struct device *dev = &pf->pdev->dev; 2189 2190 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 2191 if (!pf->i40e_dbg_pf) 2192 return; 2193 2194 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 2195 &i40e_dbg_command_fops); 2196 if (!pfile) 2197 goto create_failed; 2198 2199 pfile = debugfs_create_file("dump", 0600, pf->i40e_dbg_pf, pf, 2200 &i40e_dbg_dump_fops); 2201 if (!pfile) 2202 goto create_failed; 2203 2204 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 2205 &i40e_dbg_netdev_ops_fops); 2206 if (!pfile) 2207 goto create_failed; 2208 2209 return; 2210 2211 create_failed: 2212 dev_info(dev, "debugfs dir/file for %s failed\n", name); 2213 debugfs_remove_recursive(pf->i40e_dbg_pf); 2214 return; 2215 } 2216 2217 /** 2218 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 2219 * @pf: the PF that is stopping 2220 **/ 2221 void i40e_dbg_pf_exit(struct i40e_pf *pf) 2222 { 2223 debugfs_remove_recursive(pf->i40e_dbg_pf); 2224 pf->i40e_dbg_pf = NULL; 2225 2226 kfree(i40e_dbg_dump_buf); 2227 i40e_dbg_dump_buf = NULL; 2228 } 2229 2230 /** 2231 * i40e_dbg_init - start up debugfs for the driver 2232 **/ 2233 void i40e_dbg_init(void) 2234 { 2235 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 2236 if (!i40e_dbg_root) 2237 pr_info("init of debugfs failed\n"); 2238 } 2239 2240 /** 2241 * i40e_dbg_exit - clean out the driver's debugfs entries 2242 **/ 2243 void i40e_dbg_exit(void) 2244 { 2245 debugfs_remove_recursive(i40e_dbg_root); 2246 i40e_dbg_root = NULL; 2247 } 2248 2249 #endif /* CONFIG_DEBUG_FS */ 2250