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 1058 bw_data = kzalloc(sizeof( 1059 struct i40e_aqc_query_port_ets_config_resp), 1060 GFP_KERNEL); 1061 if (!bw_data) { 1062 ret = -ENOMEM; 1063 goto command_write_done; 1064 } 1065 1066 ret = i40e_aq_query_port_ets_config(&pf->hw, 1067 pf->mac_seid, 1068 bw_data, NULL); 1069 if (ret) { 1070 dev_info(&pf->pdev->dev, 1071 "Query Port ETS Config AQ command failed =0x%x\n", 1072 pf->hw.aq.asq_last_status); 1073 kfree(bw_data); 1074 bw_data = NULL; 1075 goto command_write_done; 1076 } 1077 dev_info(&pf->pdev->dev, 1078 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1079 bw_data->tc_valid_bits, 1080 bw_data->tc_strict_priority_bits, 1081 le16_to_cpu(bw_data->tc_bw_max[0]), 1082 le16_to_cpu(bw_data->tc_bw_max[1])); 1083 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1084 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1085 bw_data->tc_bw_share_credits[i], 1086 le16_to_cpu(bw_data->tc_bw_limits[i])); 1087 } 1088 1089 kfree(bw_data); 1090 bw_data = NULL; 1091 1092 dev_info(&pf->pdev->dev, 1093 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1094 dev_info(&pf->pdev->dev, 1095 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1096 cfg->etscfg.willing, cfg->etscfg.cbs, 1097 cfg->etscfg.maxtcs); 1098 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1099 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1100 i, cfg->etscfg.prioritytable[i], 1101 cfg->etscfg.tcbwtable[i], 1102 cfg->etscfg.tsatable[i]); 1103 } 1104 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1105 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1106 i, cfg->etsrec.prioritytable[i], 1107 cfg->etsrec.tcbwtable[i], 1108 cfg->etsrec.tsatable[i]); 1109 } 1110 dev_info(&pf->pdev->dev, 1111 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1112 cfg->pfc.willing, cfg->pfc.mbc, 1113 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1114 dev_info(&pf->pdev->dev, 1115 "port app_table: num_apps=%d\n", cfg->numapps); 1116 for (i = 0; i < cfg->numapps; i++) { 1117 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1118 i, cfg->app[i].priority, 1119 cfg->app[i].selector, 1120 cfg->app[i].protocolid); 1121 } 1122 /* Peer TLV DCBX data */ 1123 dev_info(&pf->pdev->dev, 1124 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1125 r_cfg->etscfg.willing, 1126 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1127 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1128 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1129 i, r_cfg->etscfg.prioritytable[i], 1130 r_cfg->etscfg.tcbwtable[i], 1131 r_cfg->etscfg.tsatable[i]); 1132 } 1133 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1134 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1135 i, r_cfg->etsrec.prioritytable[i], 1136 r_cfg->etsrec.tcbwtable[i], 1137 r_cfg->etsrec.tsatable[i]); 1138 } 1139 dev_info(&pf->pdev->dev, 1140 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1141 r_cfg->pfc.willing, 1142 r_cfg->pfc.mbc, 1143 r_cfg->pfc.pfccap, 1144 r_cfg->pfc.pfcenable); 1145 dev_info(&pf->pdev->dev, 1146 "remote port app_table: num_apps=%d\n", 1147 r_cfg->numapps); 1148 for (i = 0; i < r_cfg->numapps; i++) { 1149 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1150 i, r_cfg->app[i].priority, 1151 r_cfg->app[i].selector, 1152 r_cfg->app[i].protocolid); 1153 } 1154 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1155 int cluster_id, table_id; 1156 int index, ret; 1157 u16 buff_len = 4096; 1158 u32 next_index; 1159 u8 next_table; 1160 u8 *buff; 1161 u16 rlen; 1162 1163 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1164 &cluster_id, &table_id, &index); 1165 if (cnt != 3) { 1166 dev_info(&pf->pdev->dev, 1167 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1168 goto command_write_done; 1169 } 1170 1171 dev_info(&pf->pdev->dev, 1172 "AQ debug dump fwdata params %x %x %x %x\n", 1173 cluster_id, table_id, index, buff_len); 1174 buff = kzalloc(buff_len, GFP_KERNEL); 1175 if (!buff) 1176 goto command_write_done; 1177 1178 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1179 index, buff_len, buff, &rlen, 1180 &next_table, &next_index, 1181 NULL); 1182 if (ret) { 1183 dev_info(&pf->pdev->dev, 1184 "debug dump fwdata AQ Failed %d 0x%x\n", 1185 ret, pf->hw.aq.asq_last_status); 1186 kfree(buff); 1187 buff = NULL; 1188 goto command_write_done; 1189 } 1190 dev_info(&pf->pdev->dev, 1191 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1192 rlen, next_table, next_index); 1193 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1194 DUMP_PREFIX_OFFSET, 16, 1, 1195 buff, rlen, true); 1196 kfree(buff); 1197 buff = NULL; 1198 } else { 1199 dev_info(&pf->pdev->dev, 1200 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1201 dev_info(&pf->pdev->dev, "dump switch\n"); 1202 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1203 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1204 dev_info(&pf->pdev->dev, "dump port\n"); 1205 dev_info(&pf->pdev->dev, 1206 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1207 } 1208 1209 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1210 u32 level; 1211 cnt = sscanf(&cmd_buf[10], "%i", &level); 1212 if (cnt) { 1213 if (I40E_DEBUG_USER & level) { 1214 pf->hw.debug_mask = level; 1215 dev_info(&pf->pdev->dev, 1216 "set hw.debug_mask = 0x%08x\n", 1217 pf->hw.debug_mask); 1218 } 1219 pf->msg_enable = level; 1220 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1221 pf->msg_enable); 1222 } else { 1223 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1224 pf->msg_enable); 1225 } 1226 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1227 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1228 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1229 1230 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1231 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1232 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1233 1234 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1235 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1236 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1237 1238 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1239 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1240 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1241 1242 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1243 u32 address; 1244 u32 value; 1245 1246 cnt = sscanf(&cmd_buf[4], "%i", &address); 1247 if (cnt != 1) { 1248 dev_info(&pf->pdev->dev, "read <reg>\n"); 1249 goto command_write_done; 1250 } 1251 1252 /* check the range on address */ 1253 if (address > (pf->ioremap_len - sizeof(u32))) { 1254 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1255 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1256 goto command_write_done; 1257 } 1258 1259 value = rd32(&pf->hw, address); 1260 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1261 address, value); 1262 1263 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1264 u32 address, value; 1265 1266 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1267 if (cnt != 2) { 1268 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1269 goto command_write_done; 1270 } 1271 1272 /* check the range on address */ 1273 if (address > (pf->ioremap_len - sizeof(u32))) { 1274 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1275 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1276 goto command_write_done; 1277 } 1278 wr32(&pf->hw, address, value); 1279 value = rd32(&pf->hw, address); 1280 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1281 address, value); 1282 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1283 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1284 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1285 if (cnt == 0) { 1286 int i; 1287 1288 for (i = 0; i < pf->num_alloc_vsi; i++) 1289 i40e_vsi_reset_stats(pf->vsi[i]); 1290 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1291 } else if (cnt == 1) { 1292 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1293 if (!vsi) { 1294 dev_info(&pf->pdev->dev, 1295 "clear_stats vsi: bad vsi %d\n", 1296 vsi_seid); 1297 goto command_write_done; 1298 } 1299 i40e_vsi_reset_stats(vsi); 1300 dev_info(&pf->pdev->dev, 1301 "vsi clear stats called for vsi %d\n", 1302 vsi_seid); 1303 } else { 1304 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1305 } 1306 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1307 if (pf->hw.partition_id == 1) { 1308 i40e_pf_reset_stats(pf); 1309 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1310 } else { 1311 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1312 } 1313 } else { 1314 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1315 } 1316 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1317 struct i40e_aq_desc *desc; 1318 i40e_status ret; 1319 1320 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1321 if (!desc) 1322 goto command_write_done; 1323 cnt = sscanf(&cmd_buf[11], 1324 "%hi %hi %hi %hi %i %i %i %i %i %i", 1325 &desc->flags, 1326 &desc->opcode, &desc->datalen, &desc->retval, 1327 &desc->cookie_high, &desc->cookie_low, 1328 &desc->params.internal.param0, 1329 &desc->params.internal.param1, 1330 &desc->params.internal.param2, 1331 &desc->params.internal.param3); 1332 if (cnt != 10) { 1333 dev_info(&pf->pdev->dev, 1334 "send aq_cmd: bad command string, cnt=%d\n", 1335 cnt); 1336 kfree(desc); 1337 desc = NULL; 1338 goto command_write_done; 1339 } 1340 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1341 if (!ret) { 1342 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1343 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1344 dev_info(&pf->pdev->dev, 1345 "AQ command send failed Opcode %x AQ Error: %d\n", 1346 desc->opcode, pf->hw.aq.asq_last_status); 1347 } else { 1348 dev_info(&pf->pdev->dev, 1349 "AQ command send failed Opcode %x Status: %d\n", 1350 desc->opcode, ret); 1351 } 1352 dev_info(&pf->pdev->dev, 1353 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1354 desc->flags, desc->opcode, desc->datalen, desc->retval, 1355 desc->cookie_high, desc->cookie_low, 1356 desc->params.internal.param0, 1357 desc->params.internal.param1, 1358 desc->params.internal.param2, 1359 desc->params.internal.param3); 1360 kfree(desc); 1361 desc = NULL; 1362 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1363 struct i40e_aq_desc *desc; 1364 i40e_status ret; 1365 u16 buffer_len; 1366 u8 *buff; 1367 1368 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1369 if (!desc) 1370 goto command_write_done; 1371 cnt = sscanf(&cmd_buf[20], 1372 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1373 &desc->flags, 1374 &desc->opcode, &desc->datalen, &desc->retval, 1375 &desc->cookie_high, &desc->cookie_low, 1376 &desc->params.internal.param0, 1377 &desc->params.internal.param1, 1378 &desc->params.internal.param2, 1379 &desc->params.internal.param3, 1380 &buffer_len); 1381 if (cnt != 11) { 1382 dev_info(&pf->pdev->dev, 1383 "send indirect aq_cmd: bad command string, cnt=%d\n", 1384 cnt); 1385 kfree(desc); 1386 desc = NULL; 1387 goto command_write_done; 1388 } 1389 /* Just stub a buffer big enough in case user messed up */ 1390 if (buffer_len == 0) 1391 buffer_len = 1280; 1392 1393 buff = kzalloc(buffer_len, GFP_KERNEL); 1394 if (!buff) { 1395 kfree(desc); 1396 desc = NULL; 1397 goto command_write_done; 1398 } 1399 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1400 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1401 buffer_len, NULL); 1402 if (!ret) { 1403 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1404 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1405 dev_info(&pf->pdev->dev, 1406 "AQ command send failed Opcode %x AQ Error: %d\n", 1407 desc->opcode, pf->hw.aq.asq_last_status); 1408 } else { 1409 dev_info(&pf->pdev->dev, 1410 "AQ command send failed Opcode %x Status: %d\n", 1411 desc->opcode, ret); 1412 } 1413 dev_info(&pf->pdev->dev, 1414 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1415 desc->flags, desc->opcode, desc->datalen, desc->retval, 1416 desc->cookie_high, desc->cookie_low, 1417 desc->params.internal.param0, 1418 desc->params.internal.param1, 1419 desc->params.internal.param2, 1420 desc->params.internal.param3); 1421 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1422 DUMP_PREFIX_OFFSET, 16, 1, 1423 buff, buffer_len, true); 1424 kfree(buff); 1425 buff = NULL; 1426 kfree(desc); 1427 desc = NULL; 1428 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || 1429 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { 1430 struct i40e_fdir_filter fd_data; 1431 u16 packet_len, i, j = 0; 1432 char *asc_packet; 1433 u8 *raw_packet; 1434 bool add = false; 1435 int ret; 1436 1437 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 1438 goto command_write_done; 1439 1440 if (strncmp(cmd_buf, "add", 3) == 0) 1441 add = true; 1442 1443 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) 1444 goto command_write_done; 1445 1446 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1447 GFP_KERNEL); 1448 if (!asc_packet) 1449 goto command_write_done; 1450 1451 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1452 GFP_KERNEL); 1453 1454 if (!raw_packet) { 1455 kfree(asc_packet); 1456 asc_packet = NULL; 1457 goto command_write_done; 1458 } 1459 1460 cnt = sscanf(&cmd_buf[13], 1461 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", 1462 &fd_data.q_index, 1463 &fd_data.flex_off, &fd_data.pctype, 1464 &fd_data.dest_vsi, &fd_data.dest_ctl, 1465 &fd_data.fd_status, &fd_data.cnt_index, 1466 &fd_data.fd_id, &packet_len, asc_packet); 1467 if (cnt != 10) { 1468 dev_info(&pf->pdev->dev, 1469 "program fd_filter: bad command string, cnt=%d\n", 1470 cnt); 1471 kfree(asc_packet); 1472 asc_packet = NULL; 1473 kfree(raw_packet); 1474 goto command_write_done; 1475 } 1476 1477 /* fix packet length if user entered 0 */ 1478 if (packet_len == 0) 1479 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; 1480 1481 /* make sure to check the max as well */ 1482 packet_len = min_t(u16, 1483 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); 1484 1485 for (i = 0; i < packet_len; i++) { 1486 cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]); 1487 if (!cnt) 1488 break; 1489 j += 3; 1490 } 1491 dev_info(&pf->pdev->dev, "FD raw packet dump\n"); 1492 print_hex_dump(KERN_INFO, "FD raw packet: ", 1493 DUMP_PREFIX_OFFSET, 16, 1, 1494 raw_packet, packet_len, true); 1495 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); 1496 if (!ret) { 1497 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); 1498 } else { 1499 dev_info(&pf->pdev->dev, 1500 "Filter command send failed %d\n", ret); 1501 } 1502 kfree(raw_packet); 1503 raw_packet = NULL; 1504 kfree(asc_packet); 1505 asc_packet = NULL; 1506 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1507 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1508 i40e_get_current_fd_count(pf)); 1509 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1510 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1511 int ret; 1512 1513 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1514 if (ret) { 1515 dev_info(&pf->pdev->dev, 1516 "Stop LLDP AQ command failed =0x%x\n", 1517 pf->hw.aq.asq_last_status); 1518 goto command_write_done; 1519 } 1520 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1521 pf->hw.mac.addr, 1522 I40E_ETH_P_LLDP, 0, 1523 pf->vsi[pf->lan_vsi]->seid, 1524 0, true, NULL, NULL); 1525 if (ret) { 1526 dev_info(&pf->pdev->dev, 1527 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1528 __func__, pf->hw.aq.asq_last_status); 1529 goto command_write_done; 1530 } 1531 #ifdef CONFIG_I40E_DCB 1532 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1533 DCB_CAP_DCBX_VER_IEEE; 1534 #endif /* CONFIG_I40E_DCB */ 1535 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1536 int ret; 1537 1538 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1539 pf->hw.mac.addr, 1540 I40E_ETH_P_LLDP, 0, 1541 pf->vsi[pf->lan_vsi]->seid, 1542 0, false, NULL, NULL); 1543 if (ret) { 1544 dev_info(&pf->pdev->dev, 1545 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1546 __func__, pf->hw.aq.asq_last_status); 1547 /* Continue and start FW LLDP anyways */ 1548 } 1549 1550 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1551 if (ret) { 1552 dev_info(&pf->pdev->dev, 1553 "Start LLDP AQ command failed =0x%x\n", 1554 pf->hw.aq.asq_last_status); 1555 goto command_write_done; 1556 } 1557 #ifdef CONFIG_I40E_DCB 1558 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1559 DCB_CAP_DCBX_VER_IEEE; 1560 #endif /* CONFIG_I40E_DCB */ 1561 } else if (strncmp(&cmd_buf[5], 1562 "get local", 9) == 0) { 1563 u16 llen, rlen; 1564 int ret; 1565 u8 *buff; 1566 1567 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1568 if (!buff) 1569 goto command_write_done; 1570 1571 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1572 I40E_AQ_LLDP_MIB_LOCAL, 1573 buff, I40E_LLDPDU_SIZE, 1574 &llen, &rlen, NULL); 1575 if (ret) { 1576 dev_info(&pf->pdev->dev, 1577 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1578 pf->hw.aq.asq_last_status); 1579 kfree(buff); 1580 buff = NULL; 1581 goto command_write_done; 1582 } 1583 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1584 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1585 DUMP_PREFIX_OFFSET, 16, 1, 1586 buff, I40E_LLDPDU_SIZE, true); 1587 kfree(buff); 1588 buff = NULL; 1589 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1590 u16 llen, rlen; 1591 int ret; 1592 u8 *buff; 1593 1594 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1595 if (!buff) 1596 goto command_write_done; 1597 1598 ret = i40e_aq_get_lldp_mib(&pf->hw, 1599 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1600 I40E_AQ_LLDP_MIB_REMOTE, 1601 buff, I40E_LLDPDU_SIZE, 1602 &llen, &rlen, NULL); 1603 if (ret) { 1604 dev_info(&pf->pdev->dev, 1605 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1606 pf->hw.aq.asq_last_status); 1607 kfree(buff); 1608 buff = NULL; 1609 goto command_write_done; 1610 } 1611 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1612 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1613 DUMP_PREFIX_OFFSET, 16, 1, 1614 buff, I40E_LLDPDU_SIZE, true); 1615 kfree(buff); 1616 buff = NULL; 1617 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1618 int ret; 1619 1620 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1621 true, NULL); 1622 if (ret) { 1623 dev_info(&pf->pdev->dev, 1624 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1625 pf->hw.aq.asq_last_status); 1626 goto command_write_done; 1627 } 1628 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1629 int ret; 1630 1631 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1632 false, NULL); 1633 if (ret) { 1634 dev_info(&pf->pdev->dev, 1635 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1636 pf->hw.aq.asq_last_status); 1637 goto command_write_done; 1638 } 1639 } 1640 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1641 u16 buffer_len, bytes; 1642 u16 module; 1643 u32 offset; 1644 u16 *buff; 1645 int ret; 1646 1647 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1648 &module, &offset, &buffer_len); 1649 if (cnt == 0) { 1650 module = 0; 1651 offset = 0; 1652 buffer_len = 0; 1653 } else if (cnt == 1) { 1654 offset = 0; 1655 buffer_len = 0; 1656 } else if (cnt == 2) { 1657 buffer_len = 0; 1658 } else if (cnt > 3) { 1659 dev_info(&pf->pdev->dev, 1660 "nvm read: bad command string, cnt=%d\n", cnt); 1661 goto command_write_done; 1662 } 1663 1664 /* set the max length */ 1665 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1666 1667 bytes = 2 * buffer_len; 1668 1669 /* read at least 1k bytes, no more than 4kB */ 1670 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1671 buff = kzalloc(bytes, GFP_KERNEL); 1672 if (!buff) 1673 goto command_write_done; 1674 1675 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1676 if (ret) { 1677 dev_info(&pf->pdev->dev, 1678 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1679 ret, pf->hw.aq.asq_last_status); 1680 kfree(buff); 1681 goto command_write_done; 1682 } 1683 1684 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1685 bytes, (u8 *)buff, true, NULL); 1686 i40e_release_nvm(&pf->hw); 1687 if (ret) { 1688 dev_info(&pf->pdev->dev, 1689 "Read NVM AQ failed err=%d status=0x%x\n", 1690 ret, pf->hw.aq.asq_last_status); 1691 } else { 1692 dev_info(&pf->pdev->dev, 1693 "Read NVM module=0x%x offset=0x%x words=%d\n", 1694 module, offset, buffer_len); 1695 if (bytes) 1696 print_hex_dump(KERN_INFO, "NVM Dump: ", 1697 DUMP_PREFIX_OFFSET, 16, 2, 1698 buff, bytes, true); 1699 } 1700 kfree(buff); 1701 buff = NULL; 1702 } else { 1703 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1704 dev_info(&pf->pdev->dev, "available commands\n"); 1705 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1706 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1707 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1708 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1709 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1710 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1711 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1712 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1713 dev_info(&pf->pdev->dev, " dump switch\n"); 1714 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1715 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1716 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1717 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1718 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1719 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1720 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1721 dev_info(&pf->pdev->dev, " read <reg>\n"); 1722 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1723 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1724 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1725 dev_info(&pf->pdev->dev, " pfr\n"); 1726 dev_info(&pf->pdev->dev, " corer\n"); 1727 dev_info(&pf->pdev->dev, " globr\n"); 1728 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1729 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1730 dev_info(&pf->pdev->dev, " add fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n"); 1731 dev_info(&pf->pdev->dev, " rem fd_filter <dest q_index> <flex_off> <pctype> <dest_vsi> <dest_ctl> <fd_status> <cnt_index> <fd_id> <packet_len> <packet>\n"); 1732 dev_info(&pf->pdev->dev, " fd current cnt"); 1733 dev_info(&pf->pdev->dev, " lldp start\n"); 1734 dev_info(&pf->pdev->dev, " lldp stop\n"); 1735 dev_info(&pf->pdev->dev, " lldp get local\n"); 1736 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1737 dev_info(&pf->pdev->dev, " lldp event on\n"); 1738 dev_info(&pf->pdev->dev, " lldp event off\n"); 1739 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1740 } 1741 1742 command_write_done: 1743 kfree(cmd_buf); 1744 cmd_buf = NULL; 1745 return count; 1746 } 1747 1748 static const struct file_operations i40e_dbg_command_fops = { 1749 .owner = THIS_MODULE, 1750 .open = simple_open, 1751 .read = i40e_dbg_command_read, 1752 .write = i40e_dbg_command_write, 1753 }; 1754 1755 /************************************************************** 1756 * netdev_ops 1757 * The netdev_ops entry in debugfs is for giving the driver commands 1758 * to be executed from the netdev operations. 1759 **************************************************************/ 1760 static char i40e_dbg_netdev_ops_buf[256] = ""; 1761 1762 /** 1763 * i40e_dbg_netdev_ops - read for netdev_ops datum 1764 * @filp: the opened file 1765 * @buffer: where to write the data for the user to read 1766 * @count: the size of the user's buffer 1767 * @ppos: file position offset 1768 **/ 1769 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1770 size_t count, loff_t *ppos) 1771 { 1772 struct i40e_pf *pf = filp->private_data; 1773 int bytes_not_copied; 1774 int buf_size = 256; 1775 char *buf; 1776 int len; 1777 1778 /* don't allow partal reads */ 1779 if (*ppos != 0) 1780 return 0; 1781 if (count < buf_size) 1782 return -ENOSPC; 1783 1784 buf = kzalloc(buf_size, GFP_KERNEL); 1785 if (!buf) 1786 return -ENOSPC; 1787 1788 len = snprintf(buf, buf_size, "%s: %s\n", 1789 pf->vsi[pf->lan_vsi]->netdev->name, 1790 i40e_dbg_netdev_ops_buf); 1791 1792 bytes_not_copied = copy_to_user(buffer, buf, len); 1793 kfree(buf); 1794 1795 if (bytes_not_copied) 1796 return -EFAULT; 1797 1798 *ppos = len; 1799 return len; 1800 } 1801 1802 /** 1803 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1804 * @filp: the opened file 1805 * @buffer: where to find the user's data 1806 * @count: the length of the user's data 1807 * @ppos: file position offset 1808 **/ 1809 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1810 const char __user *buffer, 1811 size_t count, loff_t *ppos) 1812 { 1813 struct i40e_pf *pf = filp->private_data; 1814 int bytes_not_copied; 1815 struct i40e_vsi *vsi; 1816 char *buf_tmp; 1817 int vsi_seid; 1818 int i, cnt; 1819 1820 /* don't allow partial writes */ 1821 if (*ppos != 0) 1822 return 0; 1823 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1824 return -ENOSPC; 1825 1826 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1827 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1828 buffer, count); 1829 if (bytes_not_copied) 1830 return -EFAULT; 1831 i40e_dbg_netdev_ops_buf[count] = '\0'; 1832 1833 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1834 if (buf_tmp) { 1835 *buf_tmp = '\0'; 1836 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1837 } 1838 1839 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1840 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1841 if (cnt != 1) { 1842 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1843 goto netdev_ops_write_done; 1844 } 1845 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1846 if (!vsi) { 1847 dev_info(&pf->pdev->dev, 1848 "tx_timeout: VSI %d not found\n", vsi_seid); 1849 } else if (!vsi->netdev) { 1850 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 1851 vsi_seid); 1852 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 1853 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 1854 vsi_seid); 1855 } else if (rtnl_trylock()) { 1856 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1857 rtnl_unlock(); 1858 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1859 } else { 1860 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1861 } 1862 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1863 int mtu; 1864 1865 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1866 &vsi_seid, &mtu); 1867 if (cnt != 2) { 1868 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1869 goto netdev_ops_write_done; 1870 } 1871 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1872 if (!vsi) { 1873 dev_info(&pf->pdev->dev, 1874 "change_mtu: VSI %d not found\n", vsi_seid); 1875 } else if (!vsi->netdev) { 1876 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1877 vsi_seid); 1878 } else if (rtnl_trylock()) { 1879 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1880 mtu); 1881 rtnl_unlock(); 1882 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1883 } else { 1884 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1885 } 1886 1887 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1888 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1889 if (cnt != 1) { 1890 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1891 goto netdev_ops_write_done; 1892 } 1893 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1894 if (!vsi) { 1895 dev_info(&pf->pdev->dev, 1896 "set_rx_mode: VSI %d not found\n", vsi_seid); 1897 } else if (!vsi->netdev) { 1898 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1899 vsi_seid); 1900 } else if (rtnl_trylock()) { 1901 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1902 rtnl_unlock(); 1903 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1904 } else { 1905 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1906 } 1907 1908 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1909 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1910 if (cnt != 1) { 1911 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1912 goto netdev_ops_write_done; 1913 } 1914 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1915 if (!vsi) { 1916 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1917 vsi_seid); 1918 } else if (!vsi->netdev) { 1919 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1920 vsi_seid); 1921 } else { 1922 for (i = 0; i < vsi->num_q_vectors; i++) 1923 napi_schedule(&vsi->q_vectors[i]->napi); 1924 dev_info(&pf->pdev->dev, "napi called\n"); 1925 } 1926 } else { 1927 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1928 i40e_dbg_netdev_ops_buf); 1929 dev_info(&pf->pdev->dev, "available commands\n"); 1930 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 1931 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1932 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1933 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1934 } 1935 netdev_ops_write_done: 1936 return count; 1937 } 1938 1939 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1940 .owner = THIS_MODULE, 1941 .open = simple_open, 1942 .read = i40e_dbg_netdev_ops_read, 1943 .write = i40e_dbg_netdev_ops_write, 1944 }; 1945 1946 /** 1947 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1948 * @pf: the PF that is starting up 1949 **/ 1950 void i40e_dbg_pf_init(struct i40e_pf *pf) 1951 { 1952 struct dentry *pfile; 1953 const char *name = pci_name(pf->pdev); 1954 const struct device *dev = &pf->pdev->dev; 1955 1956 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1957 if (!pf->i40e_dbg_pf) 1958 return; 1959 1960 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1961 &i40e_dbg_command_fops); 1962 if (!pfile) 1963 goto create_failed; 1964 1965 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1966 &i40e_dbg_netdev_ops_fops); 1967 if (!pfile) 1968 goto create_failed; 1969 1970 return; 1971 1972 create_failed: 1973 dev_info(dev, "debugfs dir/file for %s failed\n", name); 1974 debugfs_remove_recursive(pf->i40e_dbg_pf); 1975 } 1976 1977 /** 1978 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1979 * @pf: the PF that is stopping 1980 **/ 1981 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1982 { 1983 debugfs_remove_recursive(pf->i40e_dbg_pf); 1984 pf->i40e_dbg_pf = NULL; 1985 } 1986 1987 /** 1988 * i40e_dbg_init - start up debugfs for the driver 1989 **/ 1990 void i40e_dbg_init(void) 1991 { 1992 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1993 if (!i40e_dbg_root) 1994 pr_info("init of debugfs failed\n"); 1995 } 1996 1997 /** 1998 * i40e_dbg_exit - clean out the driver's debugfs entries 1999 **/ 2000 void i40e_dbg_exit(void) 2001 { 2002 debugfs_remove_recursive(i40e_dbg_root); 2003 i40e_dbg_root = NULL; 2004 } 2005 2006 #endif /* CONFIG_DEBUG_FS */ 2007