1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2016 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 for (i = 0; i < I40E_MAX_VEB; i++) 65 if (pf->veb[i] && pf->veb[i]->seid == seid) 66 return pf->veb[i]; 67 return NULL; 68 } 69 70 /************************************************************** 71 * command 72 * The command entry in debugfs is for giving the driver commands 73 * to be executed - these may be for changing the internal switch 74 * setup, adding or removing filters, or other things. Many of 75 * these will be useful for some forms of unit testing. 76 **************************************************************/ 77 static char i40e_dbg_command_buf[256] = ""; 78 79 /** 80 * i40e_dbg_command_read - read for command datum 81 * @filp: the opened file 82 * @buffer: where to write the data for the user to read 83 * @count: the size of the user's buffer 84 * @ppos: file position offset 85 **/ 86 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 87 size_t count, loff_t *ppos) 88 { 89 struct i40e_pf *pf = filp->private_data; 90 int bytes_not_copied; 91 int buf_size = 256; 92 char *buf; 93 int len; 94 95 /* don't allow partial reads */ 96 if (*ppos != 0) 97 return 0; 98 if (count < buf_size) 99 return -ENOSPC; 100 101 buf = kzalloc(buf_size, GFP_KERNEL); 102 if (!buf) 103 return -ENOSPC; 104 105 len = snprintf(buf, buf_size, "%s: %s\n", 106 pf->vsi[pf->lan_vsi]->netdev->name, 107 i40e_dbg_command_buf); 108 109 bytes_not_copied = copy_to_user(buffer, buf, len); 110 kfree(buf); 111 112 if (bytes_not_copied) 113 return -EFAULT; 114 115 *ppos = len; 116 return len; 117 } 118 119 static char *i40e_filter_state_string[] = { 120 "INVALID", 121 "NEW", 122 "ACTIVE", 123 "FAILED", 124 "REMOVE", 125 }; 126 127 /** 128 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 129 * @pf: the i40e_pf created in command write 130 * @seid: the seid the user put in 131 **/ 132 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 133 { 134 struct rtnl_link_stats64 *nstat; 135 struct i40e_mac_filter *f; 136 struct i40e_vsi *vsi; 137 int i, bkt; 138 139 vsi = i40e_dbg_find_vsi(pf, seid); 140 if (!vsi) { 141 dev_info(&pf->pdev->dev, 142 "dump %d: seid not found\n", seid); 143 return; 144 } 145 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 146 if (vsi->netdev) { 147 struct net_device *nd = vsi->netdev; 148 149 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 150 nd->name, nd->state, nd->flags); 151 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 152 (unsigned long int)nd->features); 153 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 154 (unsigned long int)nd->hw_features); 155 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 156 (unsigned long int)nd->vlan_features); 157 } 158 dev_info(&pf->pdev->dev, 159 " vlgrp: & = %p\n", vsi->active_vlans); 160 dev_info(&pf->pdev->dev, 161 " state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 162 vsi->state, vsi->flags, 163 vsi->netdev_registered, vsi->current_netdev_flags); 164 if (vsi == pf->vsi[pf->lan_vsi]) 165 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n", 166 pf->hw.mac.addr, 167 pf->hw.mac.san_addr, 168 pf->hw.mac.port_addr); 169 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { 170 dev_info(&pf->pdev->dev, 171 " mac_filter_hash: %pM vid=%d, state %s\n", 172 f->macaddr, f->vlan, 173 i40e_filter_state_string[f->state]); 174 } 175 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n", 176 vsi->active_filters, vsi->promisc_threshold, 177 (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state) ? 178 "ON" : "OFF")); 179 nstat = i40e_get_vsi_stats_struct(vsi); 180 dev_info(&pf->pdev->dev, 181 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 182 (unsigned long int)nstat->rx_packets, 183 (unsigned long int)nstat->rx_bytes, 184 (unsigned long int)nstat->rx_errors, 185 (unsigned long int)nstat->rx_dropped); 186 dev_info(&pf->pdev->dev, 187 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 188 (unsigned long int)nstat->tx_packets, 189 (unsigned long int)nstat->tx_bytes, 190 (unsigned long int)nstat->tx_errors, 191 (unsigned long int)nstat->tx_dropped); 192 dev_info(&pf->pdev->dev, 193 " net_stats: multicast = %lu, collisions = %lu\n", 194 (unsigned long int)nstat->multicast, 195 (unsigned long int)nstat->collisions); 196 dev_info(&pf->pdev->dev, 197 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 198 (unsigned long int)nstat->rx_length_errors, 199 (unsigned long int)nstat->rx_over_errors, 200 (unsigned long int)nstat->rx_crc_errors); 201 dev_info(&pf->pdev->dev, 202 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 203 (unsigned long int)nstat->rx_frame_errors, 204 (unsigned long int)nstat->rx_fifo_errors, 205 (unsigned long int)nstat->rx_missed_errors); 206 dev_info(&pf->pdev->dev, 207 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 208 (unsigned long int)nstat->tx_aborted_errors, 209 (unsigned long int)nstat->tx_carrier_errors, 210 (unsigned long int)nstat->tx_fifo_errors); 211 dev_info(&pf->pdev->dev, 212 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 213 (unsigned long int)nstat->tx_heartbeat_errors, 214 (unsigned long int)nstat->tx_window_errors); 215 dev_info(&pf->pdev->dev, 216 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 217 (unsigned long int)nstat->rx_compressed, 218 (unsigned long int)nstat->tx_compressed); 219 dev_info(&pf->pdev->dev, 220 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 221 (unsigned long int)vsi->net_stats_offsets.rx_packets, 222 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 223 (unsigned long int)vsi->net_stats_offsets.rx_errors, 224 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 225 dev_info(&pf->pdev->dev, 226 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 227 (unsigned long int)vsi->net_stats_offsets.tx_packets, 228 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 229 (unsigned long int)vsi->net_stats_offsets.tx_errors, 230 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 231 dev_info(&pf->pdev->dev, 232 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 233 (unsigned long int)vsi->net_stats_offsets.multicast, 234 (unsigned long int)vsi->net_stats_offsets.collisions); 235 dev_info(&pf->pdev->dev, 236 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 237 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 238 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 239 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 240 dev_info(&pf->pdev->dev, 241 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 242 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 243 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 244 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 245 dev_info(&pf->pdev->dev, 246 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 247 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 248 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 249 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 250 dev_info(&pf->pdev->dev, 251 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 252 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 253 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 254 dev_info(&pf->pdev->dev, 255 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 256 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 257 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 258 dev_info(&pf->pdev->dev, 259 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 260 vsi->tx_restart, vsi->tx_busy, 261 vsi->rx_buf_failed, vsi->rx_page_failed); 262 rcu_read_lock(); 263 for (i = 0; i < vsi->num_queue_pairs; i++) { 264 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]); 265 266 if (!rx_ring) 267 continue; 268 269 dev_info(&pf->pdev->dev, 270 " rx_rings[%i]: desc = %p\n", 271 i, rx_ring->desc); 272 dev_info(&pf->pdev->dev, 273 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", 274 i, rx_ring->dev, 275 rx_ring->netdev, 276 rx_ring->rx_bi); 277 dev_info(&pf->pdev->dev, 278 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 279 i, rx_ring->state, 280 rx_ring->queue_index, 281 rx_ring->reg_idx); 282 dev_info(&pf->pdev->dev, 283 " rx_rings[%i]: rx_buf_len = %d\n", 284 i, rx_ring->rx_buf_len); 285 dev_info(&pf->pdev->dev, 286 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 287 i, 288 rx_ring->next_to_use, 289 rx_ring->next_to_clean, 290 rx_ring->ring_active); 291 dev_info(&pf->pdev->dev, 292 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 293 i, rx_ring->stats.packets, 294 rx_ring->stats.bytes, 295 rx_ring->rx_stats.non_eop_descs); 296 dev_info(&pf->pdev->dev, 297 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 298 i, 299 rx_ring->rx_stats.alloc_page_failed, 300 rx_ring->rx_stats.alloc_buff_failed); 301 dev_info(&pf->pdev->dev, 302 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n", 303 i, 304 rx_ring->rx_stats.realloc_count, 305 rx_ring->rx_stats.page_reuse_count); 306 dev_info(&pf->pdev->dev, 307 " rx_rings[%i]: size = %i, dma = 0x%08lx\n", 308 i, rx_ring->size, 309 (unsigned long int)rx_ring->dma); 310 dev_info(&pf->pdev->dev, 311 " rx_rings[%i]: vsi = %p, q_vector = %p\n", 312 i, rx_ring->vsi, 313 rx_ring->q_vector); 314 dev_info(&pf->pdev->dev, 315 " rx_rings[%i]: rx_itr_setting = %d (%s)\n", 316 i, rx_ring->rx_itr_setting, 317 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed"); 318 } 319 for (i = 0; i < vsi->num_queue_pairs; i++) { 320 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); 321 322 if (!tx_ring) 323 continue; 324 325 dev_info(&pf->pdev->dev, 326 " tx_rings[%i]: desc = %p\n", 327 i, tx_ring->desc); 328 dev_info(&pf->pdev->dev, 329 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", 330 i, tx_ring->dev, 331 tx_ring->netdev, 332 tx_ring->tx_bi); 333 dev_info(&pf->pdev->dev, 334 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 335 i, tx_ring->state, 336 tx_ring->queue_index, 337 tx_ring->reg_idx); 338 dev_info(&pf->pdev->dev, 339 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 340 i, 341 tx_ring->next_to_use, 342 tx_ring->next_to_clean, 343 tx_ring->ring_active); 344 dev_info(&pf->pdev->dev, 345 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 346 i, tx_ring->stats.packets, 347 tx_ring->stats.bytes, 348 tx_ring->tx_stats.restart_queue); 349 dev_info(&pf->pdev->dev, 350 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 351 i, 352 tx_ring->tx_stats.tx_busy, 353 tx_ring->tx_stats.tx_done_old); 354 dev_info(&pf->pdev->dev, 355 " tx_rings[%i]: size = %i, dma = 0x%08lx\n", 356 i, tx_ring->size, 357 (unsigned long int)tx_ring->dma); 358 dev_info(&pf->pdev->dev, 359 " tx_rings[%i]: vsi = %p, q_vector = %p\n", 360 i, tx_ring->vsi, 361 tx_ring->q_vector); 362 dev_info(&pf->pdev->dev, 363 " tx_rings[%i]: DCB tc = %d\n", 364 i, tx_ring->dcb_tc); 365 dev_info(&pf->pdev->dev, 366 " tx_rings[%i]: tx_itr_setting = %d (%s)\n", 367 i, tx_ring->tx_itr_setting, 368 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed"); 369 } 370 rcu_read_unlock(); 371 dev_info(&pf->pdev->dev, 372 " work_limit = %d\n", 373 vsi->work_limit); 374 dev_info(&pf->pdev->dev, 375 " max_frame = %d, rx_buf_len = %d dtype = %d\n", 376 vsi->max_frame, vsi->rx_buf_len, 0); 377 dev_info(&pf->pdev->dev, 378 " num_q_vectors = %i, base_vector = %i\n", 379 vsi->num_q_vectors, vsi->base_vector); 380 dev_info(&pf->pdev->dev, 381 " seid = %d, id = %d, uplink_seid = %d\n", 382 vsi->seid, vsi->id, vsi->uplink_seid); 383 dev_info(&pf->pdev->dev, 384 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n", 385 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc); 386 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 387 dev_info(&pf->pdev->dev, 388 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 389 vsi->info.valid_sections, vsi->info.switch_id); 390 dev_info(&pf->pdev->dev, 391 " info: sw_reserved[] = 0x%02x 0x%02x\n", 392 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 393 dev_info(&pf->pdev->dev, 394 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 395 vsi->info.sec_flags, vsi->info.sec_reserved); 396 dev_info(&pf->pdev->dev, 397 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 398 vsi->info.pvid, vsi->info.fcoe_pvid, 399 vsi->info.port_vlan_flags); 400 dev_info(&pf->pdev->dev, 401 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 402 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 403 vsi->info.pvlan_reserved[2]); 404 dev_info(&pf->pdev->dev, 405 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 406 vsi->info.ingress_table, vsi->info.egress_table); 407 dev_info(&pf->pdev->dev, 408 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 409 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 410 vsi->info.cas_pv_reserved); 411 dev_info(&pf->pdev->dev, 412 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 413 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 414 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 415 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 416 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 417 dev_info(&pf->pdev->dev, 418 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 419 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 420 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 421 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 422 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 423 dev_info(&pf->pdev->dev, 424 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 425 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 426 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 427 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 428 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 429 dev_info(&pf->pdev->dev, 430 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 431 vsi->info.queueing_opt_flags, 432 vsi->info.queueing_opt_reserved[0], 433 vsi->info.queueing_opt_reserved[1], 434 vsi->info.queueing_opt_reserved[2]); 435 dev_info(&pf->pdev->dev, 436 " info: up_enable_bits = 0x%02x\n", 437 vsi->info.up_enable_bits); 438 dev_info(&pf->pdev->dev, 439 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 440 vsi->info.sched_reserved, vsi->info.outer_up_table); 441 dev_info(&pf->pdev->dev, 442 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 443 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 444 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 445 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 446 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 447 dev_info(&pf->pdev->dev, 448 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 449 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 450 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 451 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 452 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 453 dev_info(&pf->pdev->dev, 454 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 455 vsi->info.stat_counter_idx, vsi->info.sched_id); 456 dev_info(&pf->pdev->dev, 457 " 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", 458 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 459 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 460 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 461 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 462 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 463 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 464 if (vsi->back) 465 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back); 466 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 467 dev_info(&pf->pdev->dev, 468 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 469 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 470 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 471 dev_info(&pf->pdev->dev, 472 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 473 i, vsi->tc_config.tc_info[i].qoffset, 474 vsi->tc_config.tc_info[i].qcount, 475 vsi->tc_config.tc_info[i].netdev_tc); 476 } 477 dev_info(&pf->pdev->dev, 478 " bw: bw_limit = %d, bw_max_quanta = %d\n", 479 vsi->bw_limit, vsi->bw_max_quanta); 480 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 481 dev_info(&pf->pdev->dev, 482 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 483 i, vsi->bw_ets_share_credits[i], 484 vsi->bw_ets_limit_credits[i], 485 vsi->bw_ets_max_quanta[i]); 486 } 487 #ifdef I40E_FCOE 488 if (vsi->type == I40E_VSI_FCOE) { 489 dev_info(&pf->pdev->dev, 490 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n", 491 vsi->fcoe_stats.rx_fcoe_packets, 492 vsi->fcoe_stats.rx_fcoe_dwords, 493 vsi->fcoe_stats.rx_fcoe_dropped); 494 dev_info(&pf->pdev->dev, 495 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n", 496 vsi->fcoe_stats.tx_fcoe_packets, 497 vsi->fcoe_stats.tx_fcoe_dwords); 498 dev_info(&pf->pdev->dev, 499 " fcoe_stats: bad_crc = %llu, last_error = %llu\n", 500 vsi->fcoe_stats.fcoe_bad_fccrc, 501 vsi->fcoe_stats.fcoe_last_error); 502 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n", 503 vsi->fcoe_stats.fcoe_ddp_count); 504 } 505 #endif 506 } 507 508 /** 509 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 510 * @pf: the i40e_pf created in command write 511 **/ 512 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 513 { 514 struct i40e_adminq_ring *ring; 515 struct i40e_hw *hw = &pf->hw; 516 char hdr[32]; 517 int i; 518 519 snprintf(hdr, sizeof(hdr), "%s %s: ", 520 dev_driver_string(&pf->pdev->dev), 521 dev_name(&pf->pdev->dev)); 522 523 /* first the send (command) ring, then the receive (event) ring */ 524 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 525 ring = &(hw->aq.asq); 526 for (i = 0; i < ring->count; i++) { 527 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 528 529 dev_info(&pf->pdev->dev, 530 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 531 i, d->flags, d->opcode, d->datalen, d->retval, 532 d->cookie_high, d->cookie_low); 533 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 534 16, 1, d->params.raw, 16, 0); 535 } 536 537 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 538 ring = &(hw->aq.arq); 539 for (i = 0; i < ring->count; i++) { 540 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 541 542 dev_info(&pf->pdev->dev, 543 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 544 i, d->flags, d->opcode, d->datalen, d->retval, 545 d->cookie_high, d->cookie_low); 546 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 547 16, 1, d->params.raw, 16, 0); 548 } 549 } 550 551 /** 552 * i40e_dbg_dump_desc - handles dump desc write into command datum 553 * @cnt: number of arguments that the user supplied 554 * @vsi_seid: vsi id entered by user 555 * @ring_id: ring id entered by user 556 * @desc_n: descriptor number entered by user 557 * @pf: the i40e_pf created in command write 558 * @is_rx_ring: true if rx, false if tx 559 **/ 560 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 561 struct i40e_pf *pf, bool is_rx_ring) 562 { 563 struct i40e_tx_desc *txd; 564 union i40e_rx_desc *rxd; 565 struct i40e_ring *ring; 566 struct i40e_vsi *vsi; 567 int i; 568 569 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 570 if (!vsi) { 571 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 572 return; 573 } 574 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 575 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 576 return; 577 } 578 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 579 dev_info(&pf->pdev->dev, 580 "descriptor rings have not been allocated for vsi %d\n", 581 vsi_seid); 582 return; 583 } 584 585 ring = kmemdup(is_rx_ring 586 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], 587 sizeof(*ring), GFP_KERNEL); 588 if (!ring) 589 return; 590 591 if (cnt == 2) { 592 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 593 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 594 for (i = 0; i < ring->count; i++) { 595 if (!is_rx_ring) { 596 txd = I40E_TX_DESC(ring, i); 597 dev_info(&pf->pdev->dev, 598 " d[%03x] = 0x%016llx 0x%016llx\n", 599 i, txd->buffer_addr, 600 txd->cmd_type_offset_bsz); 601 } else { 602 rxd = I40E_RX_DESC(ring, i); 603 dev_info(&pf->pdev->dev, 604 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 605 i, rxd->read.pkt_addr, 606 rxd->read.hdr_addr, 607 rxd->read.rsvd1, rxd->read.rsvd2); 608 } 609 } 610 } else if (cnt == 3) { 611 if (desc_n >= ring->count || desc_n < 0) { 612 dev_info(&pf->pdev->dev, 613 "descriptor %d not found\n", desc_n); 614 goto out; 615 } 616 if (!is_rx_ring) { 617 txd = I40E_TX_DESC(ring, desc_n); 618 dev_info(&pf->pdev->dev, 619 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 620 vsi_seid, ring_id, desc_n, 621 txd->buffer_addr, txd->cmd_type_offset_bsz); 622 } else { 623 rxd = I40E_RX_DESC(ring, desc_n); 624 dev_info(&pf->pdev->dev, 625 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 626 vsi_seid, ring_id, desc_n, 627 rxd->read.pkt_addr, rxd->read.hdr_addr, 628 rxd->read.rsvd1, rxd->read.rsvd2); 629 } 630 } else { 631 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); 632 } 633 634 out: 635 kfree(ring); 636 } 637 638 /** 639 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 640 * @pf: the i40e_pf created in command write 641 **/ 642 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 643 { 644 int i; 645 646 for (i = 0; i < pf->num_alloc_vsi; i++) 647 if (pf->vsi[i]) 648 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 649 i, pf->vsi[i]->seid); 650 } 651 652 /** 653 * i40e_dbg_dump_stats - handles dump stats write into command datum 654 * @pf: the i40e_pf created in command write 655 * @estats: the eth stats structure to be dumped 656 **/ 657 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 658 struct i40e_eth_stats *estats) 659 { 660 dev_info(&pf->pdev->dev, " ethstats:\n"); 661 dev_info(&pf->pdev->dev, 662 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 663 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 664 dev_info(&pf->pdev->dev, 665 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 666 estats->rx_broadcast, estats->rx_discards); 667 dev_info(&pf->pdev->dev, 668 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 669 estats->rx_unknown_protocol, estats->tx_bytes); 670 dev_info(&pf->pdev->dev, 671 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 672 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 673 dev_info(&pf->pdev->dev, 674 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 675 estats->tx_discards, estats->tx_errors); 676 } 677 678 /** 679 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 680 * @pf: the i40e_pf created in command write 681 * @seid: the seid the user put in 682 **/ 683 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 684 { 685 struct i40e_veb *veb; 686 687 veb = i40e_dbg_find_veb(pf, seid); 688 if (!veb) { 689 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 690 return; 691 } 692 dev_info(&pf->pdev->dev, 693 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 694 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 695 veb->uplink_seid, 696 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 697 i40e_dbg_dump_eth_stats(pf, &veb->stats); 698 } 699 700 /** 701 * i40e_dbg_dump_veb_all - dumps all known veb's stats 702 * @pf: the i40e_pf created in command write 703 **/ 704 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 705 { 706 struct i40e_veb *veb; 707 int i; 708 709 for (i = 0; i < I40E_MAX_VEB; i++) { 710 veb = pf->veb[i]; 711 if (veb) 712 i40e_dbg_dump_veb_seid(pf, veb->seid); 713 } 714 } 715 716 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 717 /** 718 * i40e_dbg_command_write - write into command datum 719 * @filp: the opened file 720 * @buffer: where to find the user's data 721 * @count: the length of the user's data 722 * @ppos: file position offset 723 **/ 724 static ssize_t i40e_dbg_command_write(struct file *filp, 725 const char __user *buffer, 726 size_t count, loff_t *ppos) 727 { 728 struct i40e_pf *pf = filp->private_data; 729 char *cmd_buf, *cmd_buf_tmp; 730 int bytes_not_copied; 731 struct i40e_vsi *vsi; 732 int vsi_seid; 733 int veb_seid; 734 int cnt; 735 736 /* don't allow partial writes */ 737 if (*ppos != 0) 738 return 0; 739 740 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 741 if (!cmd_buf) 742 return count; 743 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 744 if (bytes_not_copied) { 745 kfree(cmd_buf); 746 return -EFAULT; 747 } 748 cmd_buf[count] = '\0'; 749 750 cmd_buf_tmp = strchr(cmd_buf, '\n'); 751 if (cmd_buf_tmp) { 752 *cmd_buf_tmp = '\0'; 753 count = cmd_buf_tmp - cmd_buf + 1; 754 } 755 756 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 757 vsi_seid = -1; 758 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 759 if (cnt == 0) { 760 /* default to PF VSI */ 761 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 762 } else if (vsi_seid < 0) { 763 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 764 vsi_seid); 765 goto command_write_done; 766 } 767 768 /* By default we are in VEPA mode, if this is the first VF/VMDq 769 * VSI to be added switch to VEB mode. 770 */ 771 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 772 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 773 i40e_do_reset_safe(pf, 774 BIT_ULL(__I40E_PF_RESET_REQUESTED)); 775 } 776 777 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 778 if (vsi) 779 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 780 vsi->seid, vsi->uplink_seid); 781 else 782 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 783 784 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 785 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 786 if (cnt != 1) { 787 dev_info(&pf->pdev->dev, 788 "del vsi: bad command string, cnt=%d\n", 789 cnt); 790 goto command_write_done; 791 } 792 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 793 if (!vsi) { 794 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 795 vsi_seid); 796 goto command_write_done; 797 } 798 799 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 800 i40e_vsi_release(vsi); 801 802 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 803 struct i40e_veb *veb; 804 int uplink_seid, i; 805 806 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 807 if (cnt != 2) { 808 dev_info(&pf->pdev->dev, 809 "add relay: bad command string, cnt=%d\n", 810 cnt); 811 goto command_write_done; 812 } else if (uplink_seid < 0) { 813 dev_info(&pf->pdev->dev, 814 "add relay %d: bad uplink seid\n", 815 uplink_seid); 816 goto command_write_done; 817 } 818 819 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 820 if (!vsi) { 821 dev_info(&pf->pdev->dev, 822 "add relay: VSI %d not found\n", vsi_seid); 823 goto command_write_done; 824 } 825 826 for (i = 0; i < I40E_MAX_VEB; i++) 827 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 828 break; 829 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 830 uplink_seid != pf->mac_seid) { 831 dev_info(&pf->pdev->dev, 832 "add relay: relay uplink %d not found\n", 833 uplink_seid); 834 goto command_write_done; 835 } 836 837 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 838 vsi->tc_config.enabled_tc); 839 if (veb) 840 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 841 else 842 dev_info(&pf->pdev->dev, "add relay failed\n"); 843 844 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 845 int i; 846 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 847 if (cnt != 1) { 848 dev_info(&pf->pdev->dev, 849 "del relay: bad command string, cnt=%d\n", 850 cnt); 851 goto command_write_done; 852 } else if (veb_seid < 0) { 853 dev_info(&pf->pdev->dev, 854 "del relay %d: bad relay seid\n", veb_seid); 855 goto command_write_done; 856 } 857 858 /* find the veb */ 859 for (i = 0; i < I40E_MAX_VEB; i++) 860 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 861 break; 862 if (i >= I40E_MAX_VEB) { 863 dev_info(&pf->pdev->dev, 864 "del relay: relay %d not found\n", veb_seid); 865 goto command_write_done; 866 } 867 868 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 869 i40e_veb_release(pf->veb[i]); 870 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 871 i40e_status ret; 872 u16 vid; 873 unsigned int v; 874 875 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 876 if (cnt != 2) { 877 dev_info(&pf->pdev->dev, 878 "add pvid: bad command string, cnt=%d\n", cnt); 879 goto command_write_done; 880 } 881 882 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 883 if (!vsi) { 884 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 885 vsi_seid); 886 goto command_write_done; 887 } 888 889 vid = v; 890 ret = i40e_vsi_add_pvid(vsi, vid); 891 if (!ret) 892 dev_info(&pf->pdev->dev, 893 "add pvid: %d added to VSI %d\n", 894 vid, vsi_seid); 895 else 896 dev_info(&pf->pdev->dev, 897 "add pvid: %d to VSI %d failed, ret=%d\n", 898 vid, vsi_seid, ret); 899 900 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 901 902 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 903 if (cnt != 1) { 904 dev_info(&pf->pdev->dev, 905 "del pvid: bad command string, cnt=%d\n", 906 cnt); 907 goto command_write_done; 908 } 909 910 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 911 if (!vsi) { 912 dev_info(&pf->pdev->dev, 913 "del pvid: VSI %d not found\n", vsi_seid); 914 goto command_write_done; 915 } 916 917 i40e_vsi_remove_pvid(vsi); 918 dev_info(&pf->pdev->dev, 919 "del pvid: removed from VSI %d\n", vsi_seid); 920 921 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 922 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 923 i40e_fetch_switch_configuration(pf, true); 924 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 925 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 926 if (cnt > 0) 927 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 928 else 929 i40e_dbg_dump_vsi_no_seid(pf); 930 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 931 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 932 if (cnt > 0) 933 i40e_dbg_dump_veb_seid(pf, vsi_seid); 934 else 935 i40e_dbg_dump_veb_all(pf); 936 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 937 int ring_id, desc_n; 938 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 939 cnt = sscanf(&cmd_buf[12], "%i %i %i", 940 &vsi_seid, &ring_id, &desc_n); 941 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 942 desc_n, pf, true); 943 } else if (strncmp(&cmd_buf[10], "tx", 2) 944 == 0) { 945 cnt = sscanf(&cmd_buf[12], "%i %i %i", 946 &vsi_seid, &ring_id, &desc_n); 947 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 948 desc_n, pf, false); 949 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 950 i40e_dbg_dump_aq_desc(pf); 951 } else { 952 dev_info(&pf->pdev->dev, 953 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 954 dev_info(&pf->pdev->dev, 955 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 956 dev_info(&pf->pdev->dev, "dump desc aq\n"); 957 } 958 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 959 dev_info(&pf->pdev->dev, 960 "core reset count: %d\n", pf->corer_count); 961 dev_info(&pf->pdev->dev, 962 "global reset count: %d\n", pf->globr_count); 963 dev_info(&pf->pdev->dev, 964 "emp reset count: %d\n", pf->empr_count); 965 dev_info(&pf->pdev->dev, 966 "pf reset count: %d\n", pf->pfr_count); 967 dev_info(&pf->pdev->dev, 968 "pf tx sluggish count: %d\n", 969 pf->tx_sluggish_count); 970 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 971 struct i40e_aqc_query_port_ets_config_resp *bw_data; 972 struct i40e_dcbx_config *cfg = 973 &pf->hw.local_dcbx_config; 974 struct i40e_dcbx_config *r_cfg = 975 &pf->hw.remote_dcbx_config; 976 int i, ret; 977 u16 switch_id; 978 979 bw_data = kzalloc(sizeof( 980 struct i40e_aqc_query_port_ets_config_resp), 981 GFP_KERNEL); 982 if (!bw_data) { 983 ret = -ENOMEM; 984 goto command_write_done; 985 } 986 987 vsi = pf->vsi[pf->lan_vsi]; 988 switch_id = 989 le16_to_cpu(vsi->info.switch_id) & 990 I40E_AQ_VSI_SW_ID_MASK; 991 992 ret = i40e_aq_query_port_ets_config(&pf->hw, 993 switch_id, 994 bw_data, NULL); 995 if (ret) { 996 dev_info(&pf->pdev->dev, 997 "Query Port ETS Config AQ command failed =0x%x\n", 998 pf->hw.aq.asq_last_status); 999 kfree(bw_data); 1000 bw_data = NULL; 1001 goto command_write_done; 1002 } 1003 dev_info(&pf->pdev->dev, 1004 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1005 bw_data->tc_valid_bits, 1006 bw_data->tc_strict_priority_bits, 1007 le16_to_cpu(bw_data->tc_bw_max[0]), 1008 le16_to_cpu(bw_data->tc_bw_max[1])); 1009 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1010 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1011 bw_data->tc_bw_share_credits[i], 1012 le16_to_cpu(bw_data->tc_bw_limits[i])); 1013 } 1014 1015 kfree(bw_data); 1016 bw_data = NULL; 1017 1018 dev_info(&pf->pdev->dev, 1019 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1020 dev_info(&pf->pdev->dev, 1021 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1022 cfg->etscfg.willing, cfg->etscfg.cbs, 1023 cfg->etscfg.maxtcs); 1024 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1025 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1026 i, cfg->etscfg.prioritytable[i], 1027 cfg->etscfg.tcbwtable[i], 1028 cfg->etscfg.tsatable[i]); 1029 } 1030 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1031 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1032 i, cfg->etsrec.prioritytable[i], 1033 cfg->etsrec.tcbwtable[i], 1034 cfg->etsrec.tsatable[i]); 1035 } 1036 dev_info(&pf->pdev->dev, 1037 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1038 cfg->pfc.willing, cfg->pfc.mbc, 1039 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1040 dev_info(&pf->pdev->dev, 1041 "port app_table: num_apps=%d\n", cfg->numapps); 1042 for (i = 0; i < cfg->numapps; i++) { 1043 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1044 i, cfg->app[i].priority, 1045 cfg->app[i].selector, 1046 cfg->app[i].protocolid); 1047 } 1048 /* Peer TLV DCBX data */ 1049 dev_info(&pf->pdev->dev, 1050 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1051 r_cfg->etscfg.willing, 1052 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1053 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1054 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1055 i, r_cfg->etscfg.prioritytable[i], 1056 r_cfg->etscfg.tcbwtable[i], 1057 r_cfg->etscfg.tsatable[i]); 1058 } 1059 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1060 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1061 i, r_cfg->etsrec.prioritytable[i], 1062 r_cfg->etsrec.tcbwtable[i], 1063 r_cfg->etsrec.tsatable[i]); 1064 } 1065 dev_info(&pf->pdev->dev, 1066 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1067 r_cfg->pfc.willing, 1068 r_cfg->pfc.mbc, 1069 r_cfg->pfc.pfccap, 1070 r_cfg->pfc.pfcenable); 1071 dev_info(&pf->pdev->dev, 1072 "remote port app_table: num_apps=%d\n", 1073 r_cfg->numapps); 1074 for (i = 0; i < r_cfg->numapps; i++) { 1075 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1076 i, r_cfg->app[i].priority, 1077 r_cfg->app[i].selector, 1078 r_cfg->app[i].protocolid); 1079 } 1080 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1081 int cluster_id, table_id; 1082 int index, ret; 1083 u16 buff_len = 4096; 1084 u32 next_index; 1085 u8 next_table; 1086 u8 *buff; 1087 u16 rlen; 1088 1089 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1090 &cluster_id, &table_id, &index); 1091 if (cnt != 3) { 1092 dev_info(&pf->pdev->dev, 1093 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1094 goto command_write_done; 1095 } 1096 1097 dev_info(&pf->pdev->dev, 1098 "AQ debug dump fwdata params %x %x %x %x\n", 1099 cluster_id, table_id, index, buff_len); 1100 buff = kzalloc(buff_len, GFP_KERNEL); 1101 if (!buff) 1102 goto command_write_done; 1103 1104 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1105 index, buff_len, buff, &rlen, 1106 &next_table, &next_index, 1107 NULL); 1108 if (ret) { 1109 dev_info(&pf->pdev->dev, 1110 "debug dump fwdata AQ Failed %d 0x%x\n", 1111 ret, pf->hw.aq.asq_last_status); 1112 kfree(buff); 1113 buff = NULL; 1114 goto command_write_done; 1115 } 1116 dev_info(&pf->pdev->dev, 1117 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1118 rlen, next_table, next_index); 1119 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1120 DUMP_PREFIX_OFFSET, 16, 1, 1121 buff, rlen, true); 1122 kfree(buff); 1123 buff = NULL; 1124 } else { 1125 dev_info(&pf->pdev->dev, 1126 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1127 dev_info(&pf->pdev->dev, "dump switch\n"); 1128 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1129 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1130 dev_info(&pf->pdev->dev, "dump port\n"); 1131 dev_info(&pf->pdev->dev, 1132 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1133 } 1134 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1135 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1136 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1137 1138 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1139 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1140 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1141 1142 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1143 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1144 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1145 1146 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1147 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1148 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1149 1150 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1151 u32 address; 1152 u32 value; 1153 1154 cnt = sscanf(&cmd_buf[4], "%i", &address); 1155 if (cnt != 1) { 1156 dev_info(&pf->pdev->dev, "read <reg>\n"); 1157 goto command_write_done; 1158 } 1159 1160 /* check the range on address */ 1161 if (address > (pf->ioremap_len - sizeof(u32))) { 1162 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1163 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1164 goto command_write_done; 1165 } 1166 1167 value = rd32(&pf->hw, address); 1168 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1169 address, value); 1170 1171 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1172 u32 address, value; 1173 1174 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1175 if (cnt != 2) { 1176 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1177 goto command_write_done; 1178 } 1179 1180 /* check the range on address */ 1181 if (address > (pf->ioremap_len - sizeof(u32))) { 1182 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1183 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1184 goto command_write_done; 1185 } 1186 wr32(&pf->hw, address, value); 1187 value = rd32(&pf->hw, address); 1188 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1189 address, value); 1190 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1191 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1192 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1193 if (cnt == 0) { 1194 int i; 1195 1196 for (i = 0; i < pf->num_alloc_vsi; i++) 1197 i40e_vsi_reset_stats(pf->vsi[i]); 1198 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1199 } else if (cnt == 1) { 1200 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1201 if (!vsi) { 1202 dev_info(&pf->pdev->dev, 1203 "clear_stats vsi: bad vsi %d\n", 1204 vsi_seid); 1205 goto command_write_done; 1206 } 1207 i40e_vsi_reset_stats(vsi); 1208 dev_info(&pf->pdev->dev, 1209 "vsi clear stats called for vsi %d\n", 1210 vsi_seid); 1211 } else { 1212 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1213 } 1214 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1215 if (pf->hw.partition_id == 1) { 1216 i40e_pf_reset_stats(pf); 1217 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1218 } else { 1219 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1220 } 1221 } else { 1222 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1223 } 1224 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1225 struct i40e_aq_desc *desc; 1226 i40e_status ret; 1227 1228 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1229 if (!desc) 1230 goto command_write_done; 1231 cnt = sscanf(&cmd_buf[11], 1232 "%hi %hi %hi %hi %i %i %i %i %i %i", 1233 &desc->flags, 1234 &desc->opcode, &desc->datalen, &desc->retval, 1235 &desc->cookie_high, &desc->cookie_low, 1236 &desc->params.internal.param0, 1237 &desc->params.internal.param1, 1238 &desc->params.internal.param2, 1239 &desc->params.internal.param3); 1240 if (cnt != 10) { 1241 dev_info(&pf->pdev->dev, 1242 "send aq_cmd: bad command string, cnt=%d\n", 1243 cnt); 1244 kfree(desc); 1245 desc = NULL; 1246 goto command_write_done; 1247 } 1248 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1249 if (!ret) { 1250 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1251 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1252 dev_info(&pf->pdev->dev, 1253 "AQ command send failed Opcode %x AQ Error: %d\n", 1254 desc->opcode, pf->hw.aq.asq_last_status); 1255 } else { 1256 dev_info(&pf->pdev->dev, 1257 "AQ command send failed Opcode %x Status: %d\n", 1258 desc->opcode, ret); 1259 } 1260 dev_info(&pf->pdev->dev, 1261 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1262 desc->flags, desc->opcode, desc->datalen, desc->retval, 1263 desc->cookie_high, desc->cookie_low, 1264 desc->params.internal.param0, 1265 desc->params.internal.param1, 1266 desc->params.internal.param2, 1267 desc->params.internal.param3); 1268 kfree(desc); 1269 desc = NULL; 1270 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1271 struct i40e_aq_desc *desc; 1272 i40e_status ret; 1273 u16 buffer_len; 1274 u8 *buff; 1275 1276 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1277 if (!desc) 1278 goto command_write_done; 1279 cnt = sscanf(&cmd_buf[20], 1280 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1281 &desc->flags, 1282 &desc->opcode, &desc->datalen, &desc->retval, 1283 &desc->cookie_high, &desc->cookie_low, 1284 &desc->params.internal.param0, 1285 &desc->params.internal.param1, 1286 &desc->params.internal.param2, 1287 &desc->params.internal.param3, 1288 &buffer_len); 1289 if (cnt != 11) { 1290 dev_info(&pf->pdev->dev, 1291 "send indirect aq_cmd: bad command string, cnt=%d\n", 1292 cnt); 1293 kfree(desc); 1294 desc = NULL; 1295 goto command_write_done; 1296 } 1297 /* Just stub a buffer big enough in case user messed up */ 1298 if (buffer_len == 0) 1299 buffer_len = 1280; 1300 1301 buff = kzalloc(buffer_len, GFP_KERNEL); 1302 if (!buff) { 1303 kfree(desc); 1304 desc = NULL; 1305 goto command_write_done; 1306 } 1307 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1308 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1309 buffer_len, NULL); 1310 if (!ret) { 1311 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1312 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1313 dev_info(&pf->pdev->dev, 1314 "AQ command send failed Opcode %x AQ Error: %d\n", 1315 desc->opcode, pf->hw.aq.asq_last_status); 1316 } else { 1317 dev_info(&pf->pdev->dev, 1318 "AQ command send failed Opcode %x Status: %d\n", 1319 desc->opcode, ret); 1320 } 1321 dev_info(&pf->pdev->dev, 1322 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1323 desc->flags, desc->opcode, desc->datalen, desc->retval, 1324 desc->cookie_high, desc->cookie_low, 1325 desc->params.internal.param0, 1326 desc->params.internal.param1, 1327 desc->params.internal.param2, 1328 desc->params.internal.param3); 1329 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1330 DUMP_PREFIX_OFFSET, 16, 1, 1331 buff, buffer_len, true); 1332 kfree(buff); 1333 buff = NULL; 1334 kfree(desc); 1335 desc = NULL; 1336 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1337 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1338 i40e_get_current_fd_count(pf)); 1339 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1340 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1341 int ret; 1342 1343 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1344 if (ret) { 1345 dev_info(&pf->pdev->dev, 1346 "Stop LLDP AQ command failed =0x%x\n", 1347 pf->hw.aq.asq_last_status); 1348 goto command_write_done; 1349 } 1350 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1351 pf->hw.mac.addr, 1352 I40E_ETH_P_LLDP, 0, 1353 pf->vsi[pf->lan_vsi]->seid, 1354 0, true, NULL, NULL); 1355 if (ret) { 1356 dev_info(&pf->pdev->dev, 1357 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1358 __func__, pf->hw.aq.asq_last_status); 1359 goto command_write_done; 1360 } 1361 #ifdef CONFIG_I40E_DCB 1362 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1363 DCB_CAP_DCBX_VER_IEEE; 1364 #endif /* CONFIG_I40E_DCB */ 1365 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1366 int ret; 1367 1368 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1369 pf->hw.mac.addr, 1370 I40E_ETH_P_LLDP, 0, 1371 pf->vsi[pf->lan_vsi]->seid, 1372 0, false, NULL, NULL); 1373 if (ret) { 1374 dev_info(&pf->pdev->dev, 1375 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1376 __func__, pf->hw.aq.asq_last_status); 1377 /* Continue and start FW LLDP anyways */ 1378 } 1379 1380 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1381 if (ret) { 1382 dev_info(&pf->pdev->dev, 1383 "Start LLDP AQ command failed =0x%x\n", 1384 pf->hw.aq.asq_last_status); 1385 goto command_write_done; 1386 } 1387 #ifdef CONFIG_I40E_DCB 1388 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1389 DCB_CAP_DCBX_VER_IEEE; 1390 #endif /* CONFIG_I40E_DCB */ 1391 } else if (strncmp(&cmd_buf[5], 1392 "get local", 9) == 0) { 1393 u16 llen, rlen; 1394 int ret; 1395 u8 *buff; 1396 1397 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1398 if (!buff) 1399 goto command_write_done; 1400 1401 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1402 I40E_AQ_LLDP_MIB_LOCAL, 1403 buff, I40E_LLDPDU_SIZE, 1404 &llen, &rlen, NULL); 1405 if (ret) { 1406 dev_info(&pf->pdev->dev, 1407 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1408 pf->hw.aq.asq_last_status); 1409 kfree(buff); 1410 buff = NULL; 1411 goto command_write_done; 1412 } 1413 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1414 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1415 DUMP_PREFIX_OFFSET, 16, 1, 1416 buff, I40E_LLDPDU_SIZE, true); 1417 kfree(buff); 1418 buff = NULL; 1419 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1420 u16 llen, rlen; 1421 int ret; 1422 u8 *buff; 1423 1424 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1425 if (!buff) 1426 goto command_write_done; 1427 1428 ret = i40e_aq_get_lldp_mib(&pf->hw, 1429 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1430 I40E_AQ_LLDP_MIB_REMOTE, 1431 buff, I40E_LLDPDU_SIZE, 1432 &llen, &rlen, NULL); 1433 if (ret) { 1434 dev_info(&pf->pdev->dev, 1435 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1436 pf->hw.aq.asq_last_status); 1437 kfree(buff); 1438 buff = NULL; 1439 goto command_write_done; 1440 } 1441 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1442 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1443 DUMP_PREFIX_OFFSET, 16, 1, 1444 buff, I40E_LLDPDU_SIZE, true); 1445 kfree(buff); 1446 buff = NULL; 1447 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1448 int ret; 1449 1450 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1451 true, NULL); 1452 if (ret) { 1453 dev_info(&pf->pdev->dev, 1454 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1455 pf->hw.aq.asq_last_status); 1456 goto command_write_done; 1457 } 1458 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1459 int ret; 1460 1461 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1462 false, NULL); 1463 if (ret) { 1464 dev_info(&pf->pdev->dev, 1465 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1466 pf->hw.aq.asq_last_status); 1467 goto command_write_done; 1468 } 1469 } 1470 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1471 u16 buffer_len, bytes; 1472 u16 module; 1473 u32 offset; 1474 u16 *buff; 1475 int ret; 1476 1477 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1478 &module, &offset, &buffer_len); 1479 if (cnt == 0) { 1480 module = 0; 1481 offset = 0; 1482 buffer_len = 0; 1483 } else if (cnt == 1) { 1484 offset = 0; 1485 buffer_len = 0; 1486 } else if (cnt == 2) { 1487 buffer_len = 0; 1488 } else if (cnt > 3) { 1489 dev_info(&pf->pdev->dev, 1490 "nvm read: bad command string, cnt=%d\n", cnt); 1491 goto command_write_done; 1492 } 1493 1494 /* set the max length */ 1495 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1496 1497 bytes = 2 * buffer_len; 1498 1499 /* read at least 1k bytes, no more than 4kB */ 1500 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1501 buff = kzalloc(bytes, GFP_KERNEL); 1502 if (!buff) 1503 goto command_write_done; 1504 1505 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1506 if (ret) { 1507 dev_info(&pf->pdev->dev, 1508 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1509 ret, pf->hw.aq.asq_last_status); 1510 kfree(buff); 1511 goto command_write_done; 1512 } 1513 1514 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1515 bytes, (u8 *)buff, true, NULL); 1516 i40e_release_nvm(&pf->hw); 1517 if (ret) { 1518 dev_info(&pf->pdev->dev, 1519 "Read NVM AQ failed err=%d status=0x%x\n", 1520 ret, pf->hw.aq.asq_last_status); 1521 } else { 1522 dev_info(&pf->pdev->dev, 1523 "Read NVM module=0x%x offset=0x%x words=%d\n", 1524 module, offset, buffer_len); 1525 if (bytes) 1526 print_hex_dump(KERN_INFO, "NVM Dump: ", 1527 DUMP_PREFIX_OFFSET, 16, 2, 1528 buff, bytes, true); 1529 } 1530 kfree(buff); 1531 buff = NULL; 1532 } else { 1533 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1534 dev_info(&pf->pdev->dev, "available commands\n"); 1535 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1536 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1537 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1538 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1539 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1540 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1541 dev_info(&pf->pdev->dev, " dump switch\n"); 1542 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1543 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1544 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1545 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1546 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1547 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1548 dev_info(&pf->pdev->dev, " read <reg>\n"); 1549 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1550 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1551 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1552 dev_info(&pf->pdev->dev, " pfr\n"); 1553 dev_info(&pf->pdev->dev, " corer\n"); 1554 dev_info(&pf->pdev->dev, " globr\n"); 1555 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1556 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1557 dev_info(&pf->pdev->dev, " fd current cnt"); 1558 dev_info(&pf->pdev->dev, " lldp start\n"); 1559 dev_info(&pf->pdev->dev, " lldp stop\n"); 1560 dev_info(&pf->pdev->dev, " lldp get local\n"); 1561 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1562 dev_info(&pf->pdev->dev, " lldp event on\n"); 1563 dev_info(&pf->pdev->dev, " lldp event off\n"); 1564 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1565 } 1566 1567 command_write_done: 1568 kfree(cmd_buf); 1569 cmd_buf = NULL; 1570 return count; 1571 } 1572 1573 static const struct file_operations i40e_dbg_command_fops = { 1574 .owner = THIS_MODULE, 1575 .open = simple_open, 1576 .read = i40e_dbg_command_read, 1577 .write = i40e_dbg_command_write, 1578 }; 1579 1580 /************************************************************** 1581 * netdev_ops 1582 * The netdev_ops entry in debugfs is for giving the driver commands 1583 * to be executed from the netdev operations. 1584 **************************************************************/ 1585 static char i40e_dbg_netdev_ops_buf[256] = ""; 1586 1587 /** 1588 * i40e_dbg_netdev_ops - read for netdev_ops datum 1589 * @filp: the opened file 1590 * @buffer: where to write the data for the user to read 1591 * @count: the size of the user's buffer 1592 * @ppos: file position offset 1593 **/ 1594 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1595 size_t count, loff_t *ppos) 1596 { 1597 struct i40e_pf *pf = filp->private_data; 1598 int bytes_not_copied; 1599 int buf_size = 256; 1600 char *buf; 1601 int len; 1602 1603 /* don't allow partal reads */ 1604 if (*ppos != 0) 1605 return 0; 1606 if (count < buf_size) 1607 return -ENOSPC; 1608 1609 buf = kzalloc(buf_size, GFP_KERNEL); 1610 if (!buf) 1611 return -ENOSPC; 1612 1613 len = snprintf(buf, buf_size, "%s: %s\n", 1614 pf->vsi[pf->lan_vsi]->netdev->name, 1615 i40e_dbg_netdev_ops_buf); 1616 1617 bytes_not_copied = copy_to_user(buffer, buf, len); 1618 kfree(buf); 1619 1620 if (bytes_not_copied) 1621 return -EFAULT; 1622 1623 *ppos = len; 1624 return len; 1625 } 1626 1627 /** 1628 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1629 * @filp: the opened file 1630 * @buffer: where to find the user's data 1631 * @count: the length of the user's data 1632 * @ppos: file position offset 1633 **/ 1634 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1635 const char __user *buffer, 1636 size_t count, loff_t *ppos) 1637 { 1638 struct i40e_pf *pf = filp->private_data; 1639 int bytes_not_copied; 1640 struct i40e_vsi *vsi; 1641 char *buf_tmp; 1642 int vsi_seid; 1643 int i, cnt; 1644 1645 /* don't allow partial writes */ 1646 if (*ppos != 0) 1647 return 0; 1648 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1649 return -ENOSPC; 1650 1651 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1652 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1653 buffer, count); 1654 if (bytes_not_copied) 1655 return -EFAULT; 1656 i40e_dbg_netdev_ops_buf[count] = '\0'; 1657 1658 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1659 if (buf_tmp) { 1660 *buf_tmp = '\0'; 1661 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1662 } 1663 1664 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1665 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1666 if (cnt != 1) { 1667 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1668 goto netdev_ops_write_done; 1669 } 1670 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1671 if (!vsi) { 1672 dev_info(&pf->pdev->dev, 1673 "tx_timeout: VSI %d not found\n", vsi_seid); 1674 } else if (!vsi->netdev) { 1675 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 1676 vsi_seid); 1677 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 1678 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 1679 vsi_seid); 1680 } else if (rtnl_trylock()) { 1681 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1682 rtnl_unlock(); 1683 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1684 } else { 1685 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1686 } 1687 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1688 int mtu; 1689 1690 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1691 &vsi_seid, &mtu); 1692 if (cnt != 2) { 1693 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1694 goto netdev_ops_write_done; 1695 } 1696 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1697 if (!vsi) { 1698 dev_info(&pf->pdev->dev, 1699 "change_mtu: VSI %d not found\n", vsi_seid); 1700 } else if (!vsi->netdev) { 1701 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1702 vsi_seid); 1703 } else if (rtnl_trylock()) { 1704 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1705 mtu); 1706 rtnl_unlock(); 1707 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1708 } else { 1709 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1710 } 1711 1712 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1713 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1714 if (cnt != 1) { 1715 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1716 goto netdev_ops_write_done; 1717 } 1718 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1719 if (!vsi) { 1720 dev_info(&pf->pdev->dev, 1721 "set_rx_mode: VSI %d not found\n", vsi_seid); 1722 } else if (!vsi->netdev) { 1723 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1724 vsi_seid); 1725 } else if (rtnl_trylock()) { 1726 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1727 rtnl_unlock(); 1728 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1729 } else { 1730 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1731 } 1732 1733 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1734 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1735 if (cnt != 1) { 1736 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1737 goto netdev_ops_write_done; 1738 } 1739 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1740 if (!vsi) { 1741 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1742 vsi_seid); 1743 } else if (!vsi->netdev) { 1744 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1745 vsi_seid); 1746 } else { 1747 for (i = 0; i < vsi->num_q_vectors; i++) 1748 napi_schedule(&vsi->q_vectors[i]->napi); 1749 dev_info(&pf->pdev->dev, "napi called\n"); 1750 } 1751 } else { 1752 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1753 i40e_dbg_netdev_ops_buf); 1754 dev_info(&pf->pdev->dev, "available commands\n"); 1755 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 1756 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1757 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1758 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1759 } 1760 netdev_ops_write_done: 1761 return count; 1762 } 1763 1764 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1765 .owner = THIS_MODULE, 1766 .open = simple_open, 1767 .read = i40e_dbg_netdev_ops_read, 1768 .write = i40e_dbg_netdev_ops_write, 1769 }; 1770 1771 /** 1772 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1773 * @pf: the PF that is starting up 1774 **/ 1775 void i40e_dbg_pf_init(struct i40e_pf *pf) 1776 { 1777 struct dentry *pfile; 1778 const char *name = pci_name(pf->pdev); 1779 const struct device *dev = &pf->pdev->dev; 1780 1781 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1782 if (!pf->i40e_dbg_pf) 1783 return; 1784 1785 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1786 &i40e_dbg_command_fops); 1787 if (!pfile) 1788 goto create_failed; 1789 1790 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1791 &i40e_dbg_netdev_ops_fops); 1792 if (!pfile) 1793 goto create_failed; 1794 1795 return; 1796 1797 create_failed: 1798 dev_info(dev, "debugfs dir/file for %s failed\n", name); 1799 debugfs_remove_recursive(pf->i40e_dbg_pf); 1800 } 1801 1802 /** 1803 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1804 * @pf: the PF that is stopping 1805 **/ 1806 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1807 { 1808 debugfs_remove_recursive(pf->i40e_dbg_pf); 1809 pf->i40e_dbg_pf = NULL; 1810 } 1811 1812 /** 1813 * i40e_dbg_init - start up debugfs for the driver 1814 **/ 1815 void i40e_dbg_init(void) 1816 { 1817 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1818 if (!i40e_dbg_root) 1819 pr_info("init of debugfs failed\n"); 1820 } 1821 1822 /** 1823 * i40e_dbg_exit - clean out the driver's debugfs entries 1824 **/ 1825 void i40e_dbg_exit(void) 1826 { 1827 debugfs_remove_recursive(i40e_dbg_root); 1828 i40e_dbg_root = NULL; 1829 } 1830 1831 #endif /* CONFIG_DEBUG_FS */ 1832