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; 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 list_for_each_entry(f, &vsi->mac_filter_list, list) { 170 dev_info(&pf->pdev->dev, 171 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d, state %s\n", 172 f->macaddr, f->vlan, f->is_netdev, f->is_vf, 173 f->counter, i40e_filter_state_string[f->state]); 174 } 175 dev_info(&pf->pdev->dev, " active_filters %d, promisc_threshold %d, 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]); 870 871 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { 872 struct i40e_mac_filter *f; 873 int vlan = 0; 874 u8 ma[6]; 875 int ret; 876 877 cnt = sscanf(&cmd_buf[11], 878 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 879 &vsi_seid, 880 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 881 &vlan); 882 if (cnt == 7) { 883 vlan = 0; 884 } else if (cnt != 8) { 885 dev_info(&pf->pdev->dev, 886 "add macaddr: 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 "add macaddr: VSI %d not found\n", vsi_seid); 895 goto command_write_done; 896 } 897 898 spin_lock_bh(&vsi->mac_filter_list_lock); 899 f = i40e_add_filter(vsi, ma, vlan, false, false); 900 spin_unlock_bh(&vsi->mac_filter_list_lock); 901 ret = i40e_sync_vsi_filters(vsi); 902 if (f && !ret) 903 dev_info(&pf->pdev->dev, 904 "add macaddr: %pM vlan=%d added to VSI %d\n", 905 ma, vlan, vsi_seid); 906 else 907 dev_info(&pf->pdev->dev, 908 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", 909 ma, vlan, vsi_seid, f, ret); 910 911 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { 912 int vlan = 0; 913 u8 ma[6]; 914 int ret; 915 916 cnt = sscanf(&cmd_buf[11], 917 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 918 &vsi_seid, 919 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 920 &vlan); 921 if (cnt == 7) { 922 vlan = 0; 923 } else if (cnt != 8) { 924 dev_info(&pf->pdev->dev, 925 "del macaddr: bad command string, cnt=%d\n", 926 cnt); 927 goto command_write_done; 928 } 929 930 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 931 if (!vsi) { 932 dev_info(&pf->pdev->dev, 933 "del macaddr: VSI %d not found\n", vsi_seid); 934 goto command_write_done; 935 } 936 937 spin_lock_bh(&vsi->mac_filter_list_lock); 938 i40e_del_filter(vsi, ma, vlan, false, false); 939 spin_unlock_bh(&vsi->mac_filter_list_lock); 940 ret = i40e_sync_vsi_filters(vsi); 941 if (!ret) 942 dev_info(&pf->pdev->dev, 943 "del macaddr: %pM vlan=%d removed from VSI %d\n", 944 ma, vlan, vsi_seid); 945 else 946 dev_info(&pf->pdev->dev, 947 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", 948 ma, vlan, vsi_seid, ret); 949 950 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 951 i40e_status ret; 952 u16 vid; 953 unsigned int v; 954 955 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 956 if (cnt != 2) { 957 dev_info(&pf->pdev->dev, 958 "add pvid: bad command string, cnt=%d\n", cnt); 959 goto command_write_done; 960 } 961 962 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 963 if (!vsi) { 964 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 965 vsi_seid); 966 goto command_write_done; 967 } 968 969 vid = v; 970 ret = i40e_vsi_add_pvid(vsi, vid); 971 if (!ret) 972 dev_info(&pf->pdev->dev, 973 "add pvid: %d added to VSI %d\n", 974 vid, vsi_seid); 975 else 976 dev_info(&pf->pdev->dev, 977 "add pvid: %d to VSI %d failed, ret=%d\n", 978 vid, vsi_seid, ret); 979 980 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 981 982 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 983 if (cnt != 1) { 984 dev_info(&pf->pdev->dev, 985 "del pvid: bad command string, cnt=%d\n", 986 cnt); 987 goto command_write_done; 988 } 989 990 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 991 if (!vsi) { 992 dev_info(&pf->pdev->dev, 993 "del pvid: VSI %d not found\n", vsi_seid); 994 goto command_write_done; 995 } 996 997 i40e_vsi_remove_pvid(vsi); 998 dev_info(&pf->pdev->dev, 999 "del pvid: removed from VSI %d\n", vsi_seid); 1000 1001 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 1002 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 1003 i40e_fetch_switch_configuration(pf, true); 1004 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 1005 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1006 if (cnt > 0) 1007 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 1008 else 1009 i40e_dbg_dump_vsi_no_seid(pf); 1010 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 1011 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1012 if (cnt > 0) 1013 i40e_dbg_dump_veb_seid(pf, vsi_seid); 1014 else 1015 i40e_dbg_dump_veb_all(pf); 1016 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 1017 int ring_id, desc_n; 1018 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 1019 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1020 &vsi_seid, &ring_id, &desc_n); 1021 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1022 desc_n, pf, true); 1023 } else if (strncmp(&cmd_buf[10], "tx", 2) 1024 == 0) { 1025 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1026 &vsi_seid, &ring_id, &desc_n); 1027 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1028 desc_n, pf, false); 1029 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1030 i40e_dbg_dump_aq_desc(pf); 1031 } else { 1032 dev_info(&pf->pdev->dev, 1033 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1034 dev_info(&pf->pdev->dev, 1035 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1036 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1037 } 1038 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1039 dev_info(&pf->pdev->dev, 1040 "core reset count: %d\n", pf->corer_count); 1041 dev_info(&pf->pdev->dev, 1042 "global reset count: %d\n", pf->globr_count); 1043 dev_info(&pf->pdev->dev, 1044 "emp reset count: %d\n", pf->empr_count); 1045 dev_info(&pf->pdev->dev, 1046 "pf reset count: %d\n", pf->pfr_count); 1047 dev_info(&pf->pdev->dev, 1048 "pf tx sluggish count: %d\n", 1049 pf->tx_sluggish_count); 1050 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1051 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1052 struct i40e_dcbx_config *cfg = 1053 &pf->hw.local_dcbx_config; 1054 struct i40e_dcbx_config *r_cfg = 1055 &pf->hw.remote_dcbx_config; 1056 int i, ret; 1057 u32 switch_id; 1058 1059 bw_data = kzalloc(sizeof( 1060 struct i40e_aqc_query_port_ets_config_resp), 1061 GFP_KERNEL); 1062 if (!bw_data) { 1063 ret = -ENOMEM; 1064 goto command_write_done; 1065 } 1066 1067 vsi = pf->vsi[pf->lan_vsi]; 1068 switch_id = 1069 vsi->info.switch_id & I40E_AQ_VSI_SW_ID_MASK; 1070 1071 ret = i40e_aq_query_port_ets_config(&pf->hw, 1072 switch_id, 1073 bw_data, NULL); 1074 if (ret) { 1075 dev_info(&pf->pdev->dev, 1076 "Query Port ETS Config AQ command failed =0x%x\n", 1077 pf->hw.aq.asq_last_status); 1078 kfree(bw_data); 1079 bw_data = NULL; 1080 goto command_write_done; 1081 } 1082 dev_info(&pf->pdev->dev, 1083 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1084 bw_data->tc_valid_bits, 1085 bw_data->tc_strict_priority_bits, 1086 le16_to_cpu(bw_data->tc_bw_max[0]), 1087 le16_to_cpu(bw_data->tc_bw_max[1])); 1088 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1089 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1090 bw_data->tc_bw_share_credits[i], 1091 le16_to_cpu(bw_data->tc_bw_limits[i])); 1092 } 1093 1094 kfree(bw_data); 1095 bw_data = NULL; 1096 1097 dev_info(&pf->pdev->dev, 1098 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1099 dev_info(&pf->pdev->dev, 1100 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1101 cfg->etscfg.willing, cfg->etscfg.cbs, 1102 cfg->etscfg.maxtcs); 1103 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1104 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1105 i, cfg->etscfg.prioritytable[i], 1106 cfg->etscfg.tcbwtable[i], 1107 cfg->etscfg.tsatable[i]); 1108 } 1109 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1110 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1111 i, cfg->etsrec.prioritytable[i], 1112 cfg->etsrec.tcbwtable[i], 1113 cfg->etsrec.tsatable[i]); 1114 } 1115 dev_info(&pf->pdev->dev, 1116 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1117 cfg->pfc.willing, cfg->pfc.mbc, 1118 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1119 dev_info(&pf->pdev->dev, 1120 "port app_table: num_apps=%d\n", cfg->numapps); 1121 for (i = 0; i < cfg->numapps; i++) { 1122 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1123 i, cfg->app[i].priority, 1124 cfg->app[i].selector, 1125 cfg->app[i].protocolid); 1126 } 1127 /* Peer TLV DCBX data */ 1128 dev_info(&pf->pdev->dev, 1129 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1130 r_cfg->etscfg.willing, 1131 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1132 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1133 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1134 i, r_cfg->etscfg.prioritytable[i], 1135 r_cfg->etscfg.tcbwtable[i], 1136 r_cfg->etscfg.tsatable[i]); 1137 } 1138 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1139 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1140 i, r_cfg->etsrec.prioritytable[i], 1141 r_cfg->etsrec.tcbwtable[i], 1142 r_cfg->etsrec.tsatable[i]); 1143 } 1144 dev_info(&pf->pdev->dev, 1145 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1146 r_cfg->pfc.willing, 1147 r_cfg->pfc.mbc, 1148 r_cfg->pfc.pfccap, 1149 r_cfg->pfc.pfcenable); 1150 dev_info(&pf->pdev->dev, 1151 "remote port app_table: num_apps=%d\n", 1152 r_cfg->numapps); 1153 for (i = 0; i < r_cfg->numapps; i++) { 1154 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1155 i, r_cfg->app[i].priority, 1156 r_cfg->app[i].selector, 1157 r_cfg->app[i].protocolid); 1158 } 1159 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1160 int cluster_id, table_id; 1161 int index, ret; 1162 u16 buff_len = 4096; 1163 u32 next_index; 1164 u8 next_table; 1165 u8 *buff; 1166 u16 rlen; 1167 1168 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1169 &cluster_id, &table_id, &index); 1170 if (cnt != 3) { 1171 dev_info(&pf->pdev->dev, 1172 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1173 goto command_write_done; 1174 } 1175 1176 dev_info(&pf->pdev->dev, 1177 "AQ debug dump fwdata params %x %x %x %x\n", 1178 cluster_id, table_id, index, buff_len); 1179 buff = kzalloc(buff_len, GFP_KERNEL); 1180 if (!buff) 1181 goto command_write_done; 1182 1183 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1184 index, buff_len, buff, &rlen, 1185 &next_table, &next_index, 1186 NULL); 1187 if (ret) { 1188 dev_info(&pf->pdev->dev, 1189 "debug dump fwdata AQ Failed %d 0x%x\n", 1190 ret, pf->hw.aq.asq_last_status); 1191 kfree(buff); 1192 buff = NULL; 1193 goto command_write_done; 1194 } 1195 dev_info(&pf->pdev->dev, 1196 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1197 rlen, next_table, next_index); 1198 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1199 DUMP_PREFIX_OFFSET, 16, 1, 1200 buff, rlen, true); 1201 kfree(buff); 1202 buff = NULL; 1203 } else { 1204 dev_info(&pf->pdev->dev, 1205 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1206 dev_info(&pf->pdev->dev, "dump switch\n"); 1207 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1208 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1209 dev_info(&pf->pdev->dev, "dump port\n"); 1210 dev_info(&pf->pdev->dev, 1211 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1212 } 1213 1214 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1215 u32 level; 1216 cnt = sscanf(&cmd_buf[10], "%i", &level); 1217 if (cnt) { 1218 if (I40E_DEBUG_USER & level) { 1219 pf->hw.debug_mask = level; 1220 dev_info(&pf->pdev->dev, 1221 "set hw.debug_mask = 0x%08x\n", 1222 pf->hw.debug_mask); 1223 } 1224 pf->msg_enable = level; 1225 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1226 pf->msg_enable); 1227 } else { 1228 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1229 pf->msg_enable); 1230 } 1231 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1232 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1233 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1234 1235 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1236 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1237 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1238 1239 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1240 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1241 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1242 1243 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1244 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1245 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1246 1247 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1248 u32 address; 1249 u32 value; 1250 1251 cnt = sscanf(&cmd_buf[4], "%i", &address); 1252 if (cnt != 1) { 1253 dev_info(&pf->pdev->dev, "read <reg>\n"); 1254 goto command_write_done; 1255 } 1256 1257 /* check the range on address */ 1258 if (address > (pf->ioremap_len - sizeof(u32))) { 1259 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1260 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1261 goto command_write_done; 1262 } 1263 1264 value = rd32(&pf->hw, address); 1265 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1266 address, value); 1267 1268 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1269 u32 address, value; 1270 1271 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1272 if (cnt != 2) { 1273 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1274 goto command_write_done; 1275 } 1276 1277 /* check the range on address */ 1278 if (address > (pf->ioremap_len - sizeof(u32))) { 1279 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1280 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1281 goto command_write_done; 1282 } 1283 wr32(&pf->hw, address, value); 1284 value = rd32(&pf->hw, address); 1285 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1286 address, value); 1287 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1288 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1289 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1290 if (cnt == 0) { 1291 int i; 1292 1293 for (i = 0; i < pf->num_alloc_vsi; i++) 1294 i40e_vsi_reset_stats(pf->vsi[i]); 1295 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1296 } else if (cnt == 1) { 1297 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1298 if (!vsi) { 1299 dev_info(&pf->pdev->dev, 1300 "clear_stats vsi: bad vsi %d\n", 1301 vsi_seid); 1302 goto command_write_done; 1303 } 1304 i40e_vsi_reset_stats(vsi); 1305 dev_info(&pf->pdev->dev, 1306 "vsi clear stats called for vsi %d\n", 1307 vsi_seid); 1308 } else { 1309 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1310 } 1311 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1312 if (pf->hw.partition_id == 1) { 1313 i40e_pf_reset_stats(pf); 1314 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1315 } else { 1316 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1317 } 1318 } else { 1319 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1320 } 1321 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1322 struct i40e_aq_desc *desc; 1323 i40e_status ret; 1324 1325 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1326 if (!desc) 1327 goto command_write_done; 1328 cnt = sscanf(&cmd_buf[11], 1329 "%hi %hi %hi %hi %i %i %i %i %i %i", 1330 &desc->flags, 1331 &desc->opcode, &desc->datalen, &desc->retval, 1332 &desc->cookie_high, &desc->cookie_low, 1333 &desc->params.internal.param0, 1334 &desc->params.internal.param1, 1335 &desc->params.internal.param2, 1336 &desc->params.internal.param3); 1337 if (cnt != 10) { 1338 dev_info(&pf->pdev->dev, 1339 "send aq_cmd: bad command string, cnt=%d\n", 1340 cnt); 1341 kfree(desc); 1342 desc = NULL; 1343 goto command_write_done; 1344 } 1345 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1346 if (!ret) { 1347 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1348 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1349 dev_info(&pf->pdev->dev, 1350 "AQ command send failed Opcode %x AQ Error: %d\n", 1351 desc->opcode, pf->hw.aq.asq_last_status); 1352 } else { 1353 dev_info(&pf->pdev->dev, 1354 "AQ command send failed Opcode %x Status: %d\n", 1355 desc->opcode, ret); 1356 } 1357 dev_info(&pf->pdev->dev, 1358 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1359 desc->flags, desc->opcode, desc->datalen, desc->retval, 1360 desc->cookie_high, desc->cookie_low, 1361 desc->params.internal.param0, 1362 desc->params.internal.param1, 1363 desc->params.internal.param2, 1364 desc->params.internal.param3); 1365 kfree(desc); 1366 desc = NULL; 1367 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1368 struct i40e_aq_desc *desc; 1369 i40e_status ret; 1370 u16 buffer_len; 1371 u8 *buff; 1372 1373 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1374 if (!desc) 1375 goto command_write_done; 1376 cnt = sscanf(&cmd_buf[20], 1377 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1378 &desc->flags, 1379 &desc->opcode, &desc->datalen, &desc->retval, 1380 &desc->cookie_high, &desc->cookie_low, 1381 &desc->params.internal.param0, 1382 &desc->params.internal.param1, 1383 &desc->params.internal.param2, 1384 &desc->params.internal.param3, 1385 &buffer_len); 1386 if (cnt != 11) { 1387 dev_info(&pf->pdev->dev, 1388 "send indirect aq_cmd: bad command string, cnt=%d\n", 1389 cnt); 1390 kfree(desc); 1391 desc = NULL; 1392 goto command_write_done; 1393 } 1394 /* Just stub a buffer big enough in case user messed up */ 1395 if (buffer_len == 0) 1396 buffer_len = 1280; 1397 1398 buff = kzalloc(buffer_len, GFP_KERNEL); 1399 if (!buff) { 1400 kfree(desc); 1401 desc = NULL; 1402 goto command_write_done; 1403 } 1404 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1405 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1406 buffer_len, NULL); 1407 if (!ret) { 1408 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1409 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1410 dev_info(&pf->pdev->dev, 1411 "AQ command send failed Opcode %x AQ Error: %d\n", 1412 desc->opcode, pf->hw.aq.asq_last_status); 1413 } else { 1414 dev_info(&pf->pdev->dev, 1415 "AQ command send failed Opcode %x Status: %d\n", 1416 desc->opcode, ret); 1417 } 1418 dev_info(&pf->pdev->dev, 1419 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1420 desc->flags, desc->opcode, desc->datalen, desc->retval, 1421 desc->cookie_high, desc->cookie_low, 1422 desc->params.internal.param0, 1423 desc->params.internal.param1, 1424 desc->params.internal.param2, 1425 desc->params.internal.param3); 1426 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1427 DUMP_PREFIX_OFFSET, 16, 1, 1428 buff, buffer_len, true); 1429 kfree(buff); 1430 buff = NULL; 1431 kfree(desc); 1432 desc = NULL; 1433 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1434 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1435 i40e_get_current_fd_count(pf)); 1436 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1437 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1438 int ret; 1439 1440 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1441 if (ret) { 1442 dev_info(&pf->pdev->dev, 1443 "Stop LLDP AQ command failed =0x%x\n", 1444 pf->hw.aq.asq_last_status); 1445 goto command_write_done; 1446 } 1447 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1448 pf->hw.mac.addr, 1449 I40E_ETH_P_LLDP, 0, 1450 pf->vsi[pf->lan_vsi]->seid, 1451 0, true, NULL, NULL); 1452 if (ret) { 1453 dev_info(&pf->pdev->dev, 1454 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1455 __func__, pf->hw.aq.asq_last_status); 1456 goto command_write_done; 1457 } 1458 #ifdef CONFIG_I40E_DCB 1459 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1460 DCB_CAP_DCBX_VER_IEEE; 1461 #endif /* CONFIG_I40E_DCB */ 1462 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1463 int ret; 1464 1465 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1466 pf->hw.mac.addr, 1467 I40E_ETH_P_LLDP, 0, 1468 pf->vsi[pf->lan_vsi]->seid, 1469 0, false, NULL, NULL); 1470 if (ret) { 1471 dev_info(&pf->pdev->dev, 1472 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1473 __func__, pf->hw.aq.asq_last_status); 1474 /* Continue and start FW LLDP anyways */ 1475 } 1476 1477 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1478 if (ret) { 1479 dev_info(&pf->pdev->dev, 1480 "Start LLDP AQ command failed =0x%x\n", 1481 pf->hw.aq.asq_last_status); 1482 goto command_write_done; 1483 } 1484 #ifdef CONFIG_I40E_DCB 1485 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1486 DCB_CAP_DCBX_VER_IEEE; 1487 #endif /* CONFIG_I40E_DCB */ 1488 } else if (strncmp(&cmd_buf[5], 1489 "get local", 9) == 0) { 1490 u16 llen, rlen; 1491 int ret; 1492 u8 *buff; 1493 1494 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1495 if (!buff) 1496 goto command_write_done; 1497 1498 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1499 I40E_AQ_LLDP_MIB_LOCAL, 1500 buff, I40E_LLDPDU_SIZE, 1501 &llen, &rlen, NULL); 1502 if (ret) { 1503 dev_info(&pf->pdev->dev, 1504 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1505 pf->hw.aq.asq_last_status); 1506 kfree(buff); 1507 buff = NULL; 1508 goto command_write_done; 1509 } 1510 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1511 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1512 DUMP_PREFIX_OFFSET, 16, 1, 1513 buff, I40E_LLDPDU_SIZE, true); 1514 kfree(buff); 1515 buff = NULL; 1516 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1517 u16 llen, rlen; 1518 int ret; 1519 u8 *buff; 1520 1521 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1522 if (!buff) 1523 goto command_write_done; 1524 1525 ret = i40e_aq_get_lldp_mib(&pf->hw, 1526 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1527 I40E_AQ_LLDP_MIB_REMOTE, 1528 buff, I40E_LLDPDU_SIZE, 1529 &llen, &rlen, NULL); 1530 if (ret) { 1531 dev_info(&pf->pdev->dev, 1532 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1533 pf->hw.aq.asq_last_status); 1534 kfree(buff); 1535 buff = NULL; 1536 goto command_write_done; 1537 } 1538 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1539 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1540 DUMP_PREFIX_OFFSET, 16, 1, 1541 buff, I40E_LLDPDU_SIZE, true); 1542 kfree(buff); 1543 buff = NULL; 1544 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1545 int ret; 1546 1547 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1548 true, NULL); 1549 if (ret) { 1550 dev_info(&pf->pdev->dev, 1551 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1552 pf->hw.aq.asq_last_status); 1553 goto command_write_done; 1554 } 1555 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1556 int ret; 1557 1558 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1559 false, NULL); 1560 if (ret) { 1561 dev_info(&pf->pdev->dev, 1562 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1563 pf->hw.aq.asq_last_status); 1564 goto command_write_done; 1565 } 1566 } 1567 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1568 u16 buffer_len, bytes; 1569 u16 module; 1570 u32 offset; 1571 u16 *buff; 1572 int ret; 1573 1574 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1575 &module, &offset, &buffer_len); 1576 if (cnt == 0) { 1577 module = 0; 1578 offset = 0; 1579 buffer_len = 0; 1580 } else if (cnt == 1) { 1581 offset = 0; 1582 buffer_len = 0; 1583 } else if (cnt == 2) { 1584 buffer_len = 0; 1585 } else if (cnt > 3) { 1586 dev_info(&pf->pdev->dev, 1587 "nvm read: bad command string, cnt=%d\n", cnt); 1588 goto command_write_done; 1589 } 1590 1591 /* set the max length */ 1592 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1593 1594 bytes = 2 * buffer_len; 1595 1596 /* read at least 1k bytes, no more than 4kB */ 1597 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1598 buff = kzalloc(bytes, GFP_KERNEL); 1599 if (!buff) 1600 goto command_write_done; 1601 1602 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1603 if (ret) { 1604 dev_info(&pf->pdev->dev, 1605 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1606 ret, pf->hw.aq.asq_last_status); 1607 kfree(buff); 1608 goto command_write_done; 1609 } 1610 1611 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1612 bytes, (u8 *)buff, true, NULL); 1613 i40e_release_nvm(&pf->hw); 1614 if (ret) { 1615 dev_info(&pf->pdev->dev, 1616 "Read NVM AQ failed err=%d status=0x%x\n", 1617 ret, pf->hw.aq.asq_last_status); 1618 } else { 1619 dev_info(&pf->pdev->dev, 1620 "Read NVM module=0x%x offset=0x%x words=%d\n", 1621 module, offset, buffer_len); 1622 if (bytes) 1623 print_hex_dump(KERN_INFO, "NVM Dump: ", 1624 DUMP_PREFIX_OFFSET, 16, 2, 1625 buff, bytes, true); 1626 } 1627 kfree(buff); 1628 buff = NULL; 1629 } else { 1630 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1631 dev_info(&pf->pdev->dev, "available commands\n"); 1632 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1633 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1634 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1635 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1636 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1637 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1638 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1639 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1640 dev_info(&pf->pdev->dev, " dump switch\n"); 1641 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1642 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1643 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1644 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1645 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1646 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1647 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1648 dev_info(&pf->pdev->dev, " read <reg>\n"); 1649 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1650 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1651 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1652 dev_info(&pf->pdev->dev, " pfr\n"); 1653 dev_info(&pf->pdev->dev, " corer\n"); 1654 dev_info(&pf->pdev->dev, " globr\n"); 1655 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1656 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1657 dev_info(&pf->pdev->dev, " fd current cnt"); 1658 dev_info(&pf->pdev->dev, " lldp start\n"); 1659 dev_info(&pf->pdev->dev, " lldp stop\n"); 1660 dev_info(&pf->pdev->dev, " lldp get local\n"); 1661 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1662 dev_info(&pf->pdev->dev, " lldp event on\n"); 1663 dev_info(&pf->pdev->dev, " lldp event off\n"); 1664 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1665 } 1666 1667 command_write_done: 1668 kfree(cmd_buf); 1669 cmd_buf = NULL; 1670 return count; 1671 } 1672 1673 static const struct file_operations i40e_dbg_command_fops = { 1674 .owner = THIS_MODULE, 1675 .open = simple_open, 1676 .read = i40e_dbg_command_read, 1677 .write = i40e_dbg_command_write, 1678 }; 1679 1680 /************************************************************** 1681 * netdev_ops 1682 * The netdev_ops entry in debugfs is for giving the driver commands 1683 * to be executed from the netdev operations. 1684 **************************************************************/ 1685 static char i40e_dbg_netdev_ops_buf[256] = ""; 1686 1687 /** 1688 * i40e_dbg_netdev_ops - read for netdev_ops datum 1689 * @filp: the opened file 1690 * @buffer: where to write the data for the user to read 1691 * @count: the size of the user's buffer 1692 * @ppos: file position offset 1693 **/ 1694 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1695 size_t count, loff_t *ppos) 1696 { 1697 struct i40e_pf *pf = filp->private_data; 1698 int bytes_not_copied; 1699 int buf_size = 256; 1700 char *buf; 1701 int len; 1702 1703 /* don't allow partal reads */ 1704 if (*ppos != 0) 1705 return 0; 1706 if (count < buf_size) 1707 return -ENOSPC; 1708 1709 buf = kzalloc(buf_size, GFP_KERNEL); 1710 if (!buf) 1711 return -ENOSPC; 1712 1713 len = snprintf(buf, buf_size, "%s: %s\n", 1714 pf->vsi[pf->lan_vsi]->netdev->name, 1715 i40e_dbg_netdev_ops_buf); 1716 1717 bytes_not_copied = copy_to_user(buffer, buf, len); 1718 kfree(buf); 1719 1720 if (bytes_not_copied) 1721 return -EFAULT; 1722 1723 *ppos = len; 1724 return len; 1725 } 1726 1727 /** 1728 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1729 * @filp: the opened file 1730 * @buffer: where to find the user's data 1731 * @count: the length of the user's data 1732 * @ppos: file position offset 1733 **/ 1734 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1735 const char __user *buffer, 1736 size_t count, loff_t *ppos) 1737 { 1738 struct i40e_pf *pf = filp->private_data; 1739 int bytes_not_copied; 1740 struct i40e_vsi *vsi; 1741 char *buf_tmp; 1742 int vsi_seid; 1743 int i, cnt; 1744 1745 /* don't allow partial writes */ 1746 if (*ppos != 0) 1747 return 0; 1748 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1749 return -ENOSPC; 1750 1751 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1752 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1753 buffer, count); 1754 if (bytes_not_copied) 1755 return -EFAULT; 1756 i40e_dbg_netdev_ops_buf[count] = '\0'; 1757 1758 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1759 if (buf_tmp) { 1760 *buf_tmp = '\0'; 1761 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1762 } 1763 1764 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1765 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1766 if (cnt != 1) { 1767 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1768 goto netdev_ops_write_done; 1769 } 1770 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1771 if (!vsi) { 1772 dev_info(&pf->pdev->dev, 1773 "tx_timeout: VSI %d not found\n", vsi_seid); 1774 } else if (!vsi->netdev) { 1775 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 1776 vsi_seid); 1777 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 1778 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 1779 vsi_seid); 1780 } else if (rtnl_trylock()) { 1781 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1782 rtnl_unlock(); 1783 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1784 } else { 1785 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1786 } 1787 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1788 int mtu; 1789 1790 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1791 &vsi_seid, &mtu); 1792 if (cnt != 2) { 1793 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1794 goto netdev_ops_write_done; 1795 } 1796 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1797 if (!vsi) { 1798 dev_info(&pf->pdev->dev, 1799 "change_mtu: VSI %d not found\n", vsi_seid); 1800 } else if (!vsi->netdev) { 1801 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1802 vsi_seid); 1803 } else if (rtnl_trylock()) { 1804 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1805 mtu); 1806 rtnl_unlock(); 1807 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1808 } else { 1809 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1810 } 1811 1812 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1813 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1814 if (cnt != 1) { 1815 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1816 goto netdev_ops_write_done; 1817 } 1818 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1819 if (!vsi) { 1820 dev_info(&pf->pdev->dev, 1821 "set_rx_mode: VSI %d not found\n", vsi_seid); 1822 } else if (!vsi->netdev) { 1823 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1824 vsi_seid); 1825 } else if (rtnl_trylock()) { 1826 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1827 rtnl_unlock(); 1828 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1829 } else { 1830 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1831 } 1832 1833 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1834 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1835 if (cnt != 1) { 1836 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1837 goto netdev_ops_write_done; 1838 } 1839 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1840 if (!vsi) { 1841 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1842 vsi_seid); 1843 } else if (!vsi->netdev) { 1844 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1845 vsi_seid); 1846 } else { 1847 for (i = 0; i < vsi->num_q_vectors; i++) 1848 napi_schedule(&vsi->q_vectors[i]->napi); 1849 dev_info(&pf->pdev->dev, "napi called\n"); 1850 } 1851 } else { 1852 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1853 i40e_dbg_netdev_ops_buf); 1854 dev_info(&pf->pdev->dev, "available commands\n"); 1855 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 1856 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1857 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1858 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1859 } 1860 netdev_ops_write_done: 1861 return count; 1862 } 1863 1864 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1865 .owner = THIS_MODULE, 1866 .open = simple_open, 1867 .read = i40e_dbg_netdev_ops_read, 1868 .write = i40e_dbg_netdev_ops_write, 1869 }; 1870 1871 /** 1872 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1873 * @pf: the PF that is starting up 1874 **/ 1875 void i40e_dbg_pf_init(struct i40e_pf *pf) 1876 { 1877 struct dentry *pfile; 1878 const char *name = pci_name(pf->pdev); 1879 const struct device *dev = &pf->pdev->dev; 1880 1881 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1882 if (!pf->i40e_dbg_pf) 1883 return; 1884 1885 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1886 &i40e_dbg_command_fops); 1887 if (!pfile) 1888 goto create_failed; 1889 1890 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1891 &i40e_dbg_netdev_ops_fops); 1892 if (!pfile) 1893 goto create_failed; 1894 1895 return; 1896 1897 create_failed: 1898 dev_info(dev, "debugfs dir/file for %s failed\n", name); 1899 debugfs_remove_recursive(pf->i40e_dbg_pf); 1900 } 1901 1902 /** 1903 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1904 * @pf: the PF that is stopping 1905 **/ 1906 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1907 { 1908 debugfs_remove_recursive(pf->i40e_dbg_pf); 1909 pf->i40e_dbg_pf = NULL; 1910 } 1911 1912 /** 1913 * i40e_dbg_init - start up debugfs for the driver 1914 **/ 1915 void i40e_dbg_init(void) 1916 { 1917 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1918 if (!i40e_dbg_root) 1919 pr_info("init of debugfs failed\n"); 1920 } 1921 1922 /** 1923 * i40e_dbg_exit - clean out the driver's debugfs entries 1924 **/ 1925 void i40e_dbg_exit(void) 1926 { 1927 debugfs_remove_recursive(i40e_dbg_root); 1928 i40e_dbg_root = NULL; 1929 } 1930 1931 #endif /* CONFIG_DEBUG_FS */ 1932