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 } 488 489 /** 490 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 491 * @pf: the i40e_pf created in command write 492 **/ 493 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 494 { 495 struct i40e_adminq_ring *ring; 496 struct i40e_hw *hw = &pf->hw; 497 char hdr[32]; 498 int i; 499 500 snprintf(hdr, sizeof(hdr), "%s %s: ", 501 dev_driver_string(&pf->pdev->dev), 502 dev_name(&pf->pdev->dev)); 503 504 /* first the send (command) ring, then the receive (event) ring */ 505 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 506 ring = &(hw->aq.asq); 507 for (i = 0; i < ring->count; i++) { 508 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 509 510 dev_info(&pf->pdev->dev, 511 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 512 i, d->flags, d->opcode, d->datalen, d->retval, 513 d->cookie_high, d->cookie_low); 514 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 515 16, 1, d->params.raw, 16, 0); 516 } 517 518 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 519 ring = &(hw->aq.arq); 520 for (i = 0; i < ring->count; i++) { 521 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 522 523 dev_info(&pf->pdev->dev, 524 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 525 i, d->flags, d->opcode, d->datalen, d->retval, 526 d->cookie_high, d->cookie_low); 527 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 528 16, 1, d->params.raw, 16, 0); 529 } 530 } 531 532 /** 533 * i40e_dbg_dump_desc - handles dump desc write into command datum 534 * @cnt: number of arguments that the user supplied 535 * @vsi_seid: vsi id entered by user 536 * @ring_id: ring id entered by user 537 * @desc_n: descriptor number entered by user 538 * @pf: the i40e_pf created in command write 539 * @is_rx_ring: true if rx, false if tx 540 **/ 541 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 542 struct i40e_pf *pf, bool is_rx_ring) 543 { 544 struct i40e_tx_desc *txd; 545 union i40e_rx_desc *rxd; 546 struct i40e_ring *ring; 547 struct i40e_vsi *vsi; 548 int i; 549 550 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 551 if (!vsi) { 552 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 553 return; 554 } 555 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 556 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 557 return; 558 } 559 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 560 dev_info(&pf->pdev->dev, 561 "descriptor rings have not been allocated for vsi %d\n", 562 vsi_seid); 563 return; 564 } 565 566 ring = kmemdup(is_rx_ring 567 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], 568 sizeof(*ring), GFP_KERNEL); 569 if (!ring) 570 return; 571 572 if (cnt == 2) { 573 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 574 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 575 for (i = 0; i < ring->count; i++) { 576 if (!is_rx_ring) { 577 txd = I40E_TX_DESC(ring, i); 578 dev_info(&pf->pdev->dev, 579 " d[%03x] = 0x%016llx 0x%016llx\n", 580 i, txd->buffer_addr, 581 txd->cmd_type_offset_bsz); 582 } else { 583 rxd = I40E_RX_DESC(ring, i); 584 dev_info(&pf->pdev->dev, 585 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 586 i, rxd->read.pkt_addr, 587 rxd->read.hdr_addr, 588 rxd->read.rsvd1, rxd->read.rsvd2); 589 } 590 } 591 } else if (cnt == 3) { 592 if (desc_n >= ring->count || desc_n < 0) { 593 dev_info(&pf->pdev->dev, 594 "descriptor %d not found\n", desc_n); 595 goto out; 596 } 597 if (!is_rx_ring) { 598 txd = I40E_TX_DESC(ring, desc_n); 599 dev_info(&pf->pdev->dev, 600 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 601 vsi_seid, ring_id, desc_n, 602 txd->buffer_addr, txd->cmd_type_offset_bsz); 603 } else { 604 rxd = I40E_RX_DESC(ring, desc_n); 605 dev_info(&pf->pdev->dev, 606 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 607 vsi_seid, ring_id, desc_n, 608 rxd->read.pkt_addr, rxd->read.hdr_addr, 609 rxd->read.rsvd1, rxd->read.rsvd2); 610 } 611 } else { 612 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); 613 } 614 615 out: 616 kfree(ring); 617 } 618 619 /** 620 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 621 * @pf: the i40e_pf created in command write 622 **/ 623 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 624 { 625 int i; 626 627 for (i = 0; i < pf->num_alloc_vsi; i++) 628 if (pf->vsi[i]) 629 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 630 i, pf->vsi[i]->seid); 631 } 632 633 /** 634 * i40e_dbg_dump_stats - handles dump stats write into command datum 635 * @pf: the i40e_pf created in command write 636 * @estats: the eth stats structure to be dumped 637 **/ 638 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 639 struct i40e_eth_stats *estats) 640 { 641 dev_info(&pf->pdev->dev, " ethstats:\n"); 642 dev_info(&pf->pdev->dev, 643 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 644 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 645 dev_info(&pf->pdev->dev, 646 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 647 estats->rx_broadcast, estats->rx_discards); 648 dev_info(&pf->pdev->dev, 649 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 650 estats->rx_unknown_protocol, estats->tx_bytes); 651 dev_info(&pf->pdev->dev, 652 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 653 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 654 dev_info(&pf->pdev->dev, 655 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 656 estats->tx_discards, estats->tx_errors); 657 } 658 659 /** 660 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 661 * @pf: the i40e_pf created in command write 662 * @seid: the seid the user put in 663 **/ 664 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 665 { 666 struct i40e_veb *veb; 667 668 veb = i40e_dbg_find_veb(pf, seid); 669 if (!veb) { 670 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 671 return; 672 } 673 dev_info(&pf->pdev->dev, 674 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 675 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 676 veb->uplink_seid, 677 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 678 i40e_dbg_dump_eth_stats(pf, &veb->stats); 679 } 680 681 /** 682 * i40e_dbg_dump_veb_all - dumps all known veb's stats 683 * @pf: the i40e_pf created in command write 684 **/ 685 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 686 { 687 struct i40e_veb *veb; 688 int i; 689 690 for (i = 0; i < I40E_MAX_VEB; i++) { 691 veb = pf->veb[i]; 692 if (veb) 693 i40e_dbg_dump_veb_seid(pf, veb->seid); 694 } 695 } 696 697 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 698 /** 699 * i40e_dbg_command_write - write into command datum 700 * @filp: the opened file 701 * @buffer: where to find the user's data 702 * @count: the length of the user's data 703 * @ppos: file position offset 704 **/ 705 static ssize_t i40e_dbg_command_write(struct file *filp, 706 const char __user *buffer, 707 size_t count, loff_t *ppos) 708 { 709 struct i40e_pf *pf = filp->private_data; 710 char *cmd_buf, *cmd_buf_tmp; 711 int bytes_not_copied; 712 struct i40e_vsi *vsi; 713 int vsi_seid; 714 int veb_seid; 715 int cnt; 716 717 /* don't allow partial writes */ 718 if (*ppos != 0) 719 return 0; 720 721 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 722 if (!cmd_buf) 723 return count; 724 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 725 if (bytes_not_copied) { 726 kfree(cmd_buf); 727 return -EFAULT; 728 } 729 cmd_buf[count] = '\0'; 730 731 cmd_buf_tmp = strchr(cmd_buf, '\n'); 732 if (cmd_buf_tmp) { 733 *cmd_buf_tmp = '\0'; 734 count = cmd_buf_tmp - cmd_buf + 1; 735 } 736 737 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 738 vsi_seid = -1; 739 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 740 if (cnt == 0) { 741 /* default to PF VSI */ 742 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 743 } else if (vsi_seid < 0) { 744 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 745 vsi_seid); 746 goto command_write_done; 747 } 748 749 /* By default we are in VEPA mode, if this is the first VF/VMDq 750 * VSI to be added switch to VEB mode. 751 */ 752 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 753 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 754 i40e_do_reset_safe(pf, 755 BIT_ULL(__I40E_PF_RESET_REQUESTED)); 756 } 757 758 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 759 if (vsi) 760 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 761 vsi->seid, vsi->uplink_seid); 762 else 763 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 764 765 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 766 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 767 if (cnt != 1) { 768 dev_info(&pf->pdev->dev, 769 "del vsi: bad command string, cnt=%d\n", 770 cnt); 771 goto command_write_done; 772 } 773 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 774 if (!vsi) { 775 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 776 vsi_seid); 777 goto command_write_done; 778 } 779 780 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 781 i40e_vsi_release(vsi); 782 783 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 784 struct i40e_veb *veb; 785 int uplink_seid, i; 786 787 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 788 if (cnt != 2) { 789 dev_info(&pf->pdev->dev, 790 "add relay: bad command string, cnt=%d\n", 791 cnt); 792 goto command_write_done; 793 } else if (uplink_seid < 0) { 794 dev_info(&pf->pdev->dev, 795 "add relay %d: bad uplink seid\n", 796 uplink_seid); 797 goto command_write_done; 798 } 799 800 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 801 if (!vsi) { 802 dev_info(&pf->pdev->dev, 803 "add relay: VSI %d not found\n", vsi_seid); 804 goto command_write_done; 805 } 806 807 for (i = 0; i < I40E_MAX_VEB; i++) 808 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 809 break; 810 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 811 uplink_seid != pf->mac_seid) { 812 dev_info(&pf->pdev->dev, 813 "add relay: relay uplink %d not found\n", 814 uplink_seid); 815 goto command_write_done; 816 } 817 818 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 819 vsi->tc_config.enabled_tc); 820 if (veb) 821 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 822 else 823 dev_info(&pf->pdev->dev, "add relay failed\n"); 824 825 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 826 int i; 827 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 828 if (cnt != 1) { 829 dev_info(&pf->pdev->dev, 830 "del relay: bad command string, cnt=%d\n", 831 cnt); 832 goto command_write_done; 833 } else if (veb_seid < 0) { 834 dev_info(&pf->pdev->dev, 835 "del relay %d: bad relay seid\n", veb_seid); 836 goto command_write_done; 837 } 838 839 /* find the veb */ 840 for (i = 0; i < I40E_MAX_VEB; i++) 841 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 842 break; 843 if (i >= I40E_MAX_VEB) { 844 dev_info(&pf->pdev->dev, 845 "del relay: relay %d not found\n", veb_seid); 846 goto command_write_done; 847 } 848 849 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 850 i40e_veb_release(pf->veb[i]); 851 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 852 i40e_status ret; 853 u16 vid; 854 unsigned int v; 855 856 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 857 if (cnt != 2) { 858 dev_info(&pf->pdev->dev, 859 "add pvid: bad command string, cnt=%d\n", cnt); 860 goto command_write_done; 861 } 862 863 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 864 if (!vsi) { 865 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 866 vsi_seid); 867 goto command_write_done; 868 } 869 870 vid = v; 871 ret = i40e_vsi_add_pvid(vsi, vid); 872 if (!ret) 873 dev_info(&pf->pdev->dev, 874 "add pvid: %d added to VSI %d\n", 875 vid, vsi_seid); 876 else 877 dev_info(&pf->pdev->dev, 878 "add pvid: %d to VSI %d failed, ret=%d\n", 879 vid, vsi_seid, ret); 880 881 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 882 883 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 884 if (cnt != 1) { 885 dev_info(&pf->pdev->dev, 886 "del pvid: bad command string, cnt=%d\n", 887 cnt); 888 goto command_write_done; 889 } 890 891 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 892 if (!vsi) { 893 dev_info(&pf->pdev->dev, 894 "del pvid: VSI %d not found\n", vsi_seid); 895 goto command_write_done; 896 } 897 898 i40e_vsi_remove_pvid(vsi); 899 dev_info(&pf->pdev->dev, 900 "del pvid: removed from VSI %d\n", vsi_seid); 901 902 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 903 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 904 i40e_fetch_switch_configuration(pf, true); 905 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 906 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 907 if (cnt > 0) 908 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 909 else 910 i40e_dbg_dump_vsi_no_seid(pf); 911 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 912 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 913 if (cnt > 0) 914 i40e_dbg_dump_veb_seid(pf, vsi_seid); 915 else 916 i40e_dbg_dump_veb_all(pf); 917 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 918 int ring_id, desc_n; 919 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 920 cnt = sscanf(&cmd_buf[12], "%i %i %i", 921 &vsi_seid, &ring_id, &desc_n); 922 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 923 desc_n, pf, true); 924 } else if (strncmp(&cmd_buf[10], "tx", 2) 925 == 0) { 926 cnt = sscanf(&cmd_buf[12], "%i %i %i", 927 &vsi_seid, &ring_id, &desc_n); 928 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 929 desc_n, pf, false); 930 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 931 i40e_dbg_dump_aq_desc(pf); 932 } else { 933 dev_info(&pf->pdev->dev, 934 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 935 dev_info(&pf->pdev->dev, 936 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 937 dev_info(&pf->pdev->dev, "dump desc aq\n"); 938 } 939 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 940 dev_info(&pf->pdev->dev, 941 "core reset count: %d\n", pf->corer_count); 942 dev_info(&pf->pdev->dev, 943 "global reset count: %d\n", pf->globr_count); 944 dev_info(&pf->pdev->dev, 945 "emp reset count: %d\n", pf->empr_count); 946 dev_info(&pf->pdev->dev, 947 "pf reset count: %d\n", pf->pfr_count); 948 dev_info(&pf->pdev->dev, 949 "pf tx sluggish count: %d\n", 950 pf->tx_sluggish_count); 951 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 952 struct i40e_aqc_query_port_ets_config_resp *bw_data; 953 struct i40e_dcbx_config *cfg = 954 &pf->hw.local_dcbx_config; 955 struct i40e_dcbx_config *r_cfg = 956 &pf->hw.remote_dcbx_config; 957 int i, ret; 958 u16 switch_id; 959 960 bw_data = kzalloc(sizeof( 961 struct i40e_aqc_query_port_ets_config_resp), 962 GFP_KERNEL); 963 if (!bw_data) { 964 ret = -ENOMEM; 965 goto command_write_done; 966 } 967 968 vsi = pf->vsi[pf->lan_vsi]; 969 switch_id = 970 le16_to_cpu(vsi->info.switch_id) & 971 I40E_AQ_VSI_SW_ID_MASK; 972 973 ret = i40e_aq_query_port_ets_config(&pf->hw, 974 switch_id, 975 bw_data, NULL); 976 if (ret) { 977 dev_info(&pf->pdev->dev, 978 "Query Port ETS Config AQ command failed =0x%x\n", 979 pf->hw.aq.asq_last_status); 980 kfree(bw_data); 981 bw_data = NULL; 982 goto command_write_done; 983 } 984 dev_info(&pf->pdev->dev, 985 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 986 bw_data->tc_valid_bits, 987 bw_data->tc_strict_priority_bits, 988 le16_to_cpu(bw_data->tc_bw_max[0]), 989 le16_to_cpu(bw_data->tc_bw_max[1])); 990 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 991 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 992 bw_data->tc_bw_share_credits[i], 993 le16_to_cpu(bw_data->tc_bw_limits[i])); 994 } 995 996 kfree(bw_data); 997 bw_data = NULL; 998 999 dev_info(&pf->pdev->dev, 1000 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1001 dev_info(&pf->pdev->dev, 1002 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1003 cfg->etscfg.willing, cfg->etscfg.cbs, 1004 cfg->etscfg.maxtcs); 1005 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1006 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1007 i, cfg->etscfg.prioritytable[i], 1008 cfg->etscfg.tcbwtable[i], 1009 cfg->etscfg.tsatable[i]); 1010 } 1011 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1012 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1013 i, cfg->etsrec.prioritytable[i], 1014 cfg->etsrec.tcbwtable[i], 1015 cfg->etsrec.tsatable[i]); 1016 } 1017 dev_info(&pf->pdev->dev, 1018 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1019 cfg->pfc.willing, cfg->pfc.mbc, 1020 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1021 dev_info(&pf->pdev->dev, 1022 "port app_table: num_apps=%d\n", cfg->numapps); 1023 for (i = 0; i < cfg->numapps; i++) { 1024 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1025 i, cfg->app[i].priority, 1026 cfg->app[i].selector, 1027 cfg->app[i].protocolid); 1028 } 1029 /* Peer TLV DCBX data */ 1030 dev_info(&pf->pdev->dev, 1031 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1032 r_cfg->etscfg.willing, 1033 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1034 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1035 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1036 i, r_cfg->etscfg.prioritytable[i], 1037 r_cfg->etscfg.tcbwtable[i], 1038 r_cfg->etscfg.tsatable[i]); 1039 } 1040 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1041 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1042 i, r_cfg->etsrec.prioritytable[i], 1043 r_cfg->etsrec.tcbwtable[i], 1044 r_cfg->etsrec.tsatable[i]); 1045 } 1046 dev_info(&pf->pdev->dev, 1047 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1048 r_cfg->pfc.willing, 1049 r_cfg->pfc.mbc, 1050 r_cfg->pfc.pfccap, 1051 r_cfg->pfc.pfcenable); 1052 dev_info(&pf->pdev->dev, 1053 "remote port app_table: num_apps=%d\n", 1054 r_cfg->numapps); 1055 for (i = 0; i < r_cfg->numapps; i++) { 1056 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1057 i, r_cfg->app[i].priority, 1058 r_cfg->app[i].selector, 1059 r_cfg->app[i].protocolid); 1060 } 1061 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1062 int cluster_id, table_id; 1063 int index, ret; 1064 u16 buff_len = 4096; 1065 u32 next_index; 1066 u8 next_table; 1067 u8 *buff; 1068 u16 rlen; 1069 1070 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1071 &cluster_id, &table_id, &index); 1072 if (cnt != 3) { 1073 dev_info(&pf->pdev->dev, 1074 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1075 goto command_write_done; 1076 } 1077 1078 dev_info(&pf->pdev->dev, 1079 "AQ debug dump fwdata params %x %x %x %x\n", 1080 cluster_id, table_id, index, buff_len); 1081 buff = kzalloc(buff_len, GFP_KERNEL); 1082 if (!buff) 1083 goto command_write_done; 1084 1085 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1086 index, buff_len, buff, &rlen, 1087 &next_table, &next_index, 1088 NULL); 1089 if (ret) { 1090 dev_info(&pf->pdev->dev, 1091 "debug dump fwdata AQ Failed %d 0x%x\n", 1092 ret, pf->hw.aq.asq_last_status); 1093 kfree(buff); 1094 buff = NULL; 1095 goto command_write_done; 1096 } 1097 dev_info(&pf->pdev->dev, 1098 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1099 rlen, next_table, next_index); 1100 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1101 DUMP_PREFIX_OFFSET, 16, 1, 1102 buff, rlen, true); 1103 kfree(buff); 1104 buff = NULL; 1105 } else { 1106 dev_info(&pf->pdev->dev, 1107 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1108 dev_info(&pf->pdev->dev, "dump switch\n"); 1109 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1110 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1111 dev_info(&pf->pdev->dev, "dump port\n"); 1112 dev_info(&pf->pdev->dev, 1113 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1114 } 1115 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1116 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1117 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1118 1119 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1120 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1121 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1122 1123 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1124 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1125 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1126 1127 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1128 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1129 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1130 1131 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1132 u32 address; 1133 u32 value; 1134 1135 cnt = sscanf(&cmd_buf[4], "%i", &address); 1136 if (cnt != 1) { 1137 dev_info(&pf->pdev->dev, "read <reg>\n"); 1138 goto command_write_done; 1139 } 1140 1141 /* check the range on address */ 1142 if (address > (pf->ioremap_len - sizeof(u32))) { 1143 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1144 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1145 goto command_write_done; 1146 } 1147 1148 value = rd32(&pf->hw, address); 1149 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1150 address, value); 1151 1152 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1153 u32 address, value; 1154 1155 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1156 if (cnt != 2) { 1157 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1158 goto command_write_done; 1159 } 1160 1161 /* check the range on address */ 1162 if (address > (pf->ioremap_len - sizeof(u32))) { 1163 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1164 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1165 goto command_write_done; 1166 } 1167 wr32(&pf->hw, address, value); 1168 value = rd32(&pf->hw, address); 1169 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1170 address, value); 1171 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1172 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1173 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1174 if (cnt == 0) { 1175 int i; 1176 1177 for (i = 0; i < pf->num_alloc_vsi; i++) 1178 i40e_vsi_reset_stats(pf->vsi[i]); 1179 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1180 } else if (cnt == 1) { 1181 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1182 if (!vsi) { 1183 dev_info(&pf->pdev->dev, 1184 "clear_stats vsi: bad vsi %d\n", 1185 vsi_seid); 1186 goto command_write_done; 1187 } 1188 i40e_vsi_reset_stats(vsi); 1189 dev_info(&pf->pdev->dev, 1190 "vsi clear stats called for vsi %d\n", 1191 vsi_seid); 1192 } else { 1193 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1194 } 1195 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1196 if (pf->hw.partition_id == 1) { 1197 i40e_pf_reset_stats(pf); 1198 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1199 } else { 1200 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1201 } 1202 } else { 1203 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1204 } 1205 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1206 struct i40e_aq_desc *desc; 1207 i40e_status ret; 1208 1209 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1210 if (!desc) 1211 goto command_write_done; 1212 cnt = sscanf(&cmd_buf[11], 1213 "%hi %hi %hi %hi %i %i %i %i %i %i", 1214 &desc->flags, 1215 &desc->opcode, &desc->datalen, &desc->retval, 1216 &desc->cookie_high, &desc->cookie_low, 1217 &desc->params.internal.param0, 1218 &desc->params.internal.param1, 1219 &desc->params.internal.param2, 1220 &desc->params.internal.param3); 1221 if (cnt != 10) { 1222 dev_info(&pf->pdev->dev, 1223 "send aq_cmd: bad command string, cnt=%d\n", 1224 cnt); 1225 kfree(desc); 1226 desc = NULL; 1227 goto command_write_done; 1228 } 1229 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1230 if (!ret) { 1231 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1232 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1233 dev_info(&pf->pdev->dev, 1234 "AQ command send failed Opcode %x AQ Error: %d\n", 1235 desc->opcode, pf->hw.aq.asq_last_status); 1236 } else { 1237 dev_info(&pf->pdev->dev, 1238 "AQ command send failed Opcode %x Status: %d\n", 1239 desc->opcode, ret); 1240 } 1241 dev_info(&pf->pdev->dev, 1242 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1243 desc->flags, desc->opcode, desc->datalen, desc->retval, 1244 desc->cookie_high, desc->cookie_low, 1245 desc->params.internal.param0, 1246 desc->params.internal.param1, 1247 desc->params.internal.param2, 1248 desc->params.internal.param3); 1249 kfree(desc); 1250 desc = NULL; 1251 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1252 struct i40e_aq_desc *desc; 1253 i40e_status ret; 1254 u16 buffer_len; 1255 u8 *buff; 1256 1257 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1258 if (!desc) 1259 goto command_write_done; 1260 cnt = sscanf(&cmd_buf[20], 1261 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1262 &desc->flags, 1263 &desc->opcode, &desc->datalen, &desc->retval, 1264 &desc->cookie_high, &desc->cookie_low, 1265 &desc->params.internal.param0, 1266 &desc->params.internal.param1, 1267 &desc->params.internal.param2, 1268 &desc->params.internal.param3, 1269 &buffer_len); 1270 if (cnt != 11) { 1271 dev_info(&pf->pdev->dev, 1272 "send indirect aq_cmd: bad command string, cnt=%d\n", 1273 cnt); 1274 kfree(desc); 1275 desc = NULL; 1276 goto command_write_done; 1277 } 1278 /* Just stub a buffer big enough in case user messed up */ 1279 if (buffer_len == 0) 1280 buffer_len = 1280; 1281 1282 buff = kzalloc(buffer_len, GFP_KERNEL); 1283 if (!buff) { 1284 kfree(desc); 1285 desc = NULL; 1286 goto command_write_done; 1287 } 1288 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1289 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1290 buffer_len, NULL); 1291 if (!ret) { 1292 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1293 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1294 dev_info(&pf->pdev->dev, 1295 "AQ command send failed Opcode %x AQ Error: %d\n", 1296 desc->opcode, pf->hw.aq.asq_last_status); 1297 } else { 1298 dev_info(&pf->pdev->dev, 1299 "AQ command send failed Opcode %x Status: %d\n", 1300 desc->opcode, ret); 1301 } 1302 dev_info(&pf->pdev->dev, 1303 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1304 desc->flags, desc->opcode, desc->datalen, desc->retval, 1305 desc->cookie_high, desc->cookie_low, 1306 desc->params.internal.param0, 1307 desc->params.internal.param1, 1308 desc->params.internal.param2, 1309 desc->params.internal.param3); 1310 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1311 DUMP_PREFIX_OFFSET, 16, 1, 1312 buff, buffer_len, true); 1313 kfree(buff); 1314 buff = NULL; 1315 kfree(desc); 1316 desc = NULL; 1317 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1318 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1319 i40e_get_current_fd_count(pf)); 1320 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1321 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1322 int ret; 1323 1324 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1325 if (ret) { 1326 dev_info(&pf->pdev->dev, 1327 "Stop LLDP AQ command failed =0x%x\n", 1328 pf->hw.aq.asq_last_status); 1329 goto command_write_done; 1330 } 1331 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1332 pf->hw.mac.addr, 1333 I40E_ETH_P_LLDP, 0, 1334 pf->vsi[pf->lan_vsi]->seid, 1335 0, true, NULL, NULL); 1336 if (ret) { 1337 dev_info(&pf->pdev->dev, 1338 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1339 __func__, pf->hw.aq.asq_last_status); 1340 goto command_write_done; 1341 } 1342 #ifdef CONFIG_I40E_DCB 1343 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1344 DCB_CAP_DCBX_VER_IEEE; 1345 #endif /* CONFIG_I40E_DCB */ 1346 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1347 int ret; 1348 1349 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1350 pf->hw.mac.addr, 1351 I40E_ETH_P_LLDP, 0, 1352 pf->vsi[pf->lan_vsi]->seid, 1353 0, false, NULL, NULL); 1354 if (ret) { 1355 dev_info(&pf->pdev->dev, 1356 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1357 __func__, pf->hw.aq.asq_last_status); 1358 /* Continue and start FW LLDP anyways */ 1359 } 1360 1361 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1362 if (ret) { 1363 dev_info(&pf->pdev->dev, 1364 "Start LLDP AQ command failed =0x%x\n", 1365 pf->hw.aq.asq_last_status); 1366 goto command_write_done; 1367 } 1368 #ifdef CONFIG_I40E_DCB 1369 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1370 DCB_CAP_DCBX_VER_IEEE; 1371 #endif /* CONFIG_I40E_DCB */ 1372 } else if (strncmp(&cmd_buf[5], 1373 "get local", 9) == 0) { 1374 u16 llen, rlen; 1375 int ret; 1376 u8 *buff; 1377 1378 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1379 if (!buff) 1380 goto command_write_done; 1381 1382 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1383 I40E_AQ_LLDP_MIB_LOCAL, 1384 buff, I40E_LLDPDU_SIZE, 1385 &llen, &rlen, NULL); 1386 if (ret) { 1387 dev_info(&pf->pdev->dev, 1388 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1389 pf->hw.aq.asq_last_status); 1390 kfree(buff); 1391 buff = NULL; 1392 goto command_write_done; 1393 } 1394 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1395 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1396 DUMP_PREFIX_OFFSET, 16, 1, 1397 buff, I40E_LLDPDU_SIZE, true); 1398 kfree(buff); 1399 buff = NULL; 1400 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1401 u16 llen, rlen; 1402 int ret; 1403 u8 *buff; 1404 1405 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1406 if (!buff) 1407 goto command_write_done; 1408 1409 ret = i40e_aq_get_lldp_mib(&pf->hw, 1410 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1411 I40E_AQ_LLDP_MIB_REMOTE, 1412 buff, I40E_LLDPDU_SIZE, 1413 &llen, &rlen, NULL); 1414 if (ret) { 1415 dev_info(&pf->pdev->dev, 1416 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1417 pf->hw.aq.asq_last_status); 1418 kfree(buff); 1419 buff = NULL; 1420 goto command_write_done; 1421 } 1422 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1423 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1424 DUMP_PREFIX_OFFSET, 16, 1, 1425 buff, I40E_LLDPDU_SIZE, true); 1426 kfree(buff); 1427 buff = NULL; 1428 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1429 int ret; 1430 1431 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1432 true, NULL); 1433 if (ret) { 1434 dev_info(&pf->pdev->dev, 1435 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1436 pf->hw.aq.asq_last_status); 1437 goto command_write_done; 1438 } 1439 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1440 int ret; 1441 1442 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1443 false, NULL); 1444 if (ret) { 1445 dev_info(&pf->pdev->dev, 1446 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1447 pf->hw.aq.asq_last_status); 1448 goto command_write_done; 1449 } 1450 } 1451 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1452 u16 buffer_len, bytes; 1453 u16 module; 1454 u32 offset; 1455 u16 *buff; 1456 int ret; 1457 1458 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1459 &module, &offset, &buffer_len); 1460 if (cnt == 0) { 1461 module = 0; 1462 offset = 0; 1463 buffer_len = 0; 1464 } else if (cnt == 1) { 1465 offset = 0; 1466 buffer_len = 0; 1467 } else if (cnt == 2) { 1468 buffer_len = 0; 1469 } else if (cnt > 3) { 1470 dev_info(&pf->pdev->dev, 1471 "nvm read: bad command string, cnt=%d\n", cnt); 1472 goto command_write_done; 1473 } 1474 1475 /* set the max length */ 1476 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1477 1478 bytes = 2 * buffer_len; 1479 1480 /* read at least 1k bytes, no more than 4kB */ 1481 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1482 buff = kzalloc(bytes, GFP_KERNEL); 1483 if (!buff) 1484 goto command_write_done; 1485 1486 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1487 if (ret) { 1488 dev_info(&pf->pdev->dev, 1489 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1490 ret, pf->hw.aq.asq_last_status); 1491 kfree(buff); 1492 goto command_write_done; 1493 } 1494 1495 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1496 bytes, (u8 *)buff, true, NULL); 1497 i40e_release_nvm(&pf->hw); 1498 if (ret) { 1499 dev_info(&pf->pdev->dev, 1500 "Read NVM AQ failed err=%d status=0x%x\n", 1501 ret, pf->hw.aq.asq_last_status); 1502 } else { 1503 dev_info(&pf->pdev->dev, 1504 "Read NVM module=0x%x offset=0x%x words=%d\n", 1505 module, offset, buffer_len); 1506 if (bytes) 1507 print_hex_dump(KERN_INFO, "NVM Dump: ", 1508 DUMP_PREFIX_OFFSET, 16, 2, 1509 buff, bytes, true); 1510 } 1511 kfree(buff); 1512 buff = NULL; 1513 } else { 1514 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1515 dev_info(&pf->pdev->dev, "available commands\n"); 1516 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1517 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1518 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1519 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1520 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1521 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1522 dev_info(&pf->pdev->dev, " dump switch\n"); 1523 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1524 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1525 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1526 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1527 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1528 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1529 dev_info(&pf->pdev->dev, " read <reg>\n"); 1530 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1531 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1532 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1533 dev_info(&pf->pdev->dev, " pfr\n"); 1534 dev_info(&pf->pdev->dev, " corer\n"); 1535 dev_info(&pf->pdev->dev, " globr\n"); 1536 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1537 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1538 dev_info(&pf->pdev->dev, " fd current cnt"); 1539 dev_info(&pf->pdev->dev, " lldp start\n"); 1540 dev_info(&pf->pdev->dev, " lldp stop\n"); 1541 dev_info(&pf->pdev->dev, " lldp get local\n"); 1542 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1543 dev_info(&pf->pdev->dev, " lldp event on\n"); 1544 dev_info(&pf->pdev->dev, " lldp event off\n"); 1545 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1546 } 1547 1548 command_write_done: 1549 kfree(cmd_buf); 1550 cmd_buf = NULL; 1551 return count; 1552 } 1553 1554 static const struct file_operations i40e_dbg_command_fops = { 1555 .owner = THIS_MODULE, 1556 .open = simple_open, 1557 .read = i40e_dbg_command_read, 1558 .write = i40e_dbg_command_write, 1559 }; 1560 1561 /************************************************************** 1562 * netdev_ops 1563 * The netdev_ops entry in debugfs is for giving the driver commands 1564 * to be executed from the netdev operations. 1565 **************************************************************/ 1566 static char i40e_dbg_netdev_ops_buf[256] = ""; 1567 1568 /** 1569 * i40e_dbg_netdev_ops - read for netdev_ops datum 1570 * @filp: the opened file 1571 * @buffer: where to write the data for the user to read 1572 * @count: the size of the user's buffer 1573 * @ppos: file position offset 1574 **/ 1575 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1576 size_t count, loff_t *ppos) 1577 { 1578 struct i40e_pf *pf = filp->private_data; 1579 int bytes_not_copied; 1580 int buf_size = 256; 1581 char *buf; 1582 int len; 1583 1584 /* don't allow partal reads */ 1585 if (*ppos != 0) 1586 return 0; 1587 if (count < buf_size) 1588 return -ENOSPC; 1589 1590 buf = kzalloc(buf_size, GFP_KERNEL); 1591 if (!buf) 1592 return -ENOSPC; 1593 1594 len = snprintf(buf, buf_size, "%s: %s\n", 1595 pf->vsi[pf->lan_vsi]->netdev->name, 1596 i40e_dbg_netdev_ops_buf); 1597 1598 bytes_not_copied = copy_to_user(buffer, buf, len); 1599 kfree(buf); 1600 1601 if (bytes_not_copied) 1602 return -EFAULT; 1603 1604 *ppos = len; 1605 return len; 1606 } 1607 1608 /** 1609 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1610 * @filp: the opened file 1611 * @buffer: where to find the user's data 1612 * @count: the length of the user's data 1613 * @ppos: file position offset 1614 **/ 1615 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1616 const char __user *buffer, 1617 size_t count, loff_t *ppos) 1618 { 1619 struct i40e_pf *pf = filp->private_data; 1620 int bytes_not_copied; 1621 struct i40e_vsi *vsi; 1622 char *buf_tmp; 1623 int vsi_seid; 1624 int i, cnt; 1625 1626 /* don't allow partial writes */ 1627 if (*ppos != 0) 1628 return 0; 1629 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1630 return -ENOSPC; 1631 1632 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1633 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1634 buffer, count); 1635 if (bytes_not_copied) 1636 return -EFAULT; 1637 i40e_dbg_netdev_ops_buf[count] = '\0'; 1638 1639 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1640 if (buf_tmp) { 1641 *buf_tmp = '\0'; 1642 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1643 } 1644 1645 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1646 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1647 if (cnt != 1) { 1648 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1649 goto netdev_ops_write_done; 1650 } 1651 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1652 if (!vsi) { 1653 dev_info(&pf->pdev->dev, 1654 "tx_timeout: VSI %d not found\n", vsi_seid); 1655 } else if (!vsi->netdev) { 1656 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 1657 vsi_seid); 1658 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 1659 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 1660 vsi_seid); 1661 } else if (rtnl_trylock()) { 1662 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1663 rtnl_unlock(); 1664 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1665 } else { 1666 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1667 } 1668 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1669 int mtu; 1670 1671 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1672 &vsi_seid, &mtu); 1673 if (cnt != 2) { 1674 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1675 goto netdev_ops_write_done; 1676 } 1677 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1678 if (!vsi) { 1679 dev_info(&pf->pdev->dev, 1680 "change_mtu: VSI %d not found\n", vsi_seid); 1681 } else if (!vsi->netdev) { 1682 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1683 vsi_seid); 1684 } else if (rtnl_trylock()) { 1685 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1686 mtu); 1687 rtnl_unlock(); 1688 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1689 } else { 1690 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1691 } 1692 1693 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1694 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1695 if (cnt != 1) { 1696 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1697 goto netdev_ops_write_done; 1698 } 1699 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1700 if (!vsi) { 1701 dev_info(&pf->pdev->dev, 1702 "set_rx_mode: VSI %d not found\n", vsi_seid); 1703 } else if (!vsi->netdev) { 1704 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1705 vsi_seid); 1706 } else if (rtnl_trylock()) { 1707 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1708 rtnl_unlock(); 1709 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1710 } else { 1711 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1712 } 1713 1714 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1715 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1716 if (cnt != 1) { 1717 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1718 goto netdev_ops_write_done; 1719 } 1720 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1721 if (!vsi) { 1722 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1723 vsi_seid); 1724 } else if (!vsi->netdev) { 1725 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1726 vsi_seid); 1727 } else { 1728 for (i = 0; i < vsi->num_q_vectors; i++) 1729 napi_schedule(&vsi->q_vectors[i]->napi); 1730 dev_info(&pf->pdev->dev, "napi called\n"); 1731 } 1732 } else { 1733 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1734 i40e_dbg_netdev_ops_buf); 1735 dev_info(&pf->pdev->dev, "available commands\n"); 1736 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 1737 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1738 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1739 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1740 } 1741 netdev_ops_write_done: 1742 return count; 1743 } 1744 1745 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1746 .owner = THIS_MODULE, 1747 .open = simple_open, 1748 .read = i40e_dbg_netdev_ops_read, 1749 .write = i40e_dbg_netdev_ops_write, 1750 }; 1751 1752 /** 1753 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1754 * @pf: the PF that is starting up 1755 **/ 1756 void i40e_dbg_pf_init(struct i40e_pf *pf) 1757 { 1758 struct dentry *pfile; 1759 const char *name = pci_name(pf->pdev); 1760 const struct device *dev = &pf->pdev->dev; 1761 1762 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1763 if (!pf->i40e_dbg_pf) 1764 return; 1765 1766 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1767 &i40e_dbg_command_fops); 1768 if (!pfile) 1769 goto create_failed; 1770 1771 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1772 &i40e_dbg_netdev_ops_fops); 1773 if (!pfile) 1774 goto create_failed; 1775 1776 return; 1777 1778 create_failed: 1779 dev_info(dev, "debugfs dir/file for %s failed\n", name); 1780 debugfs_remove_recursive(pf->i40e_dbg_pf); 1781 } 1782 1783 /** 1784 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1785 * @pf: the PF that is stopping 1786 **/ 1787 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1788 { 1789 debugfs_remove_recursive(pf->i40e_dbg_pf); 1790 pf->i40e_dbg_pf = NULL; 1791 } 1792 1793 /** 1794 * i40e_dbg_init - start up debugfs for the driver 1795 **/ 1796 void i40e_dbg_init(void) 1797 { 1798 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1799 if (!i40e_dbg_root) 1800 pr_info("init of debugfs failed\n"); 1801 } 1802 1803 /** 1804 * i40e_dbg_exit - clean out the driver's debugfs entries 1805 **/ 1806 void i40e_dbg_exit(void) 1807 { 1808 debugfs_remove_recursive(i40e_dbg_root); 1809 i40e_dbg_root = NULL; 1810 } 1811 1812 #endif /* CONFIG_DEBUG_FS */ 1813