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 /** 120 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 121 * @pf: the i40e_pf created in command write 122 * @seid: the seid the user put in 123 **/ 124 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 125 { 126 struct rtnl_link_stats64 *nstat; 127 struct i40e_mac_filter *f; 128 struct i40e_vsi *vsi; 129 int i; 130 131 vsi = i40e_dbg_find_vsi(pf, seid); 132 if (!vsi) { 133 dev_info(&pf->pdev->dev, 134 "dump %d: seid not found\n", seid); 135 return; 136 } 137 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 138 if (vsi->netdev) { 139 struct net_device *nd = vsi->netdev; 140 141 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 142 nd->name, nd->state, nd->flags); 143 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 144 (unsigned long int)nd->features); 145 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 146 (unsigned long int)nd->hw_features); 147 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 148 (unsigned long int)nd->vlan_features); 149 } 150 if (vsi->active_vlans) 151 dev_info(&pf->pdev->dev, 152 " vlgrp: & = %p\n", vsi->active_vlans); 153 dev_info(&pf->pdev->dev, 154 " state = %li flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 155 vsi->state, vsi->flags, 156 vsi->netdev_registered, vsi->current_netdev_flags); 157 if (vsi == pf->vsi[pf->lan_vsi]) 158 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n", 159 pf->hw.mac.addr, 160 pf->hw.mac.san_addr, 161 pf->hw.mac.port_addr); 162 list_for_each_entry(f, &vsi->mac_filter_list, list) { 163 dev_info(&pf->pdev->dev, 164 " mac_filter_list: %pM vid=%d, is_netdev=%d is_vf=%d counter=%d\n", 165 f->macaddr, f->vlan, f->is_netdev, f->is_vf, 166 f->counter); 167 } 168 nstat = i40e_get_vsi_stats_struct(vsi); 169 dev_info(&pf->pdev->dev, 170 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 171 (unsigned long int)nstat->rx_packets, 172 (unsigned long int)nstat->rx_bytes, 173 (unsigned long int)nstat->rx_errors, 174 (unsigned long int)nstat->rx_dropped); 175 dev_info(&pf->pdev->dev, 176 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 177 (unsigned long int)nstat->tx_packets, 178 (unsigned long int)nstat->tx_bytes, 179 (unsigned long int)nstat->tx_errors, 180 (unsigned long int)nstat->tx_dropped); 181 dev_info(&pf->pdev->dev, 182 " net_stats: multicast = %lu, collisions = %lu\n", 183 (unsigned long int)nstat->multicast, 184 (unsigned long int)nstat->collisions); 185 dev_info(&pf->pdev->dev, 186 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 187 (unsigned long int)nstat->rx_length_errors, 188 (unsigned long int)nstat->rx_over_errors, 189 (unsigned long int)nstat->rx_crc_errors); 190 dev_info(&pf->pdev->dev, 191 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 192 (unsigned long int)nstat->rx_frame_errors, 193 (unsigned long int)nstat->rx_fifo_errors, 194 (unsigned long int)nstat->rx_missed_errors); 195 dev_info(&pf->pdev->dev, 196 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 197 (unsigned long int)nstat->tx_aborted_errors, 198 (unsigned long int)nstat->tx_carrier_errors, 199 (unsigned long int)nstat->tx_fifo_errors); 200 dev_info(&pf->pdev->dev, 201 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 202 (unsigned long int)nstat->tx_heartbeat_errors, 203 (unsigned long int)nstat->tx_window_errors); 204 dev_info(&pf->pdev->dev, 205 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 206 (unsigned long int)nstat->rx_compressed, 207 (unsigned long int)nstat->tx_compressed); 208 dev_info(&pf->pdev->dev, 209 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 210 (unsigned long int)vsi->net_stats_offsets.rx_packets, 211 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 212 (unsigned long int)vsi->net_stats_offsets.rx_errors, 213 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 214 dev_info(&pf->pdev->dev, 215 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 216 (unsigned long int)vsi->net_stats_offsets.tx_packets, 217 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 218 (unsigned long int)vsi->net_stats_offsets.tx_errors, 219 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 220 dev_info(&pf->pdev->dev, 221 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 222 (unsigned long int)vsi->net_stats_offsets.multicast, 223 (unsigned long int)vsi->net_stats_offsets.collisions); 224 dev_info(&pf->pdev->dev, 225 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 226 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 227 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 228 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 229 dev_info(&pf->pdev->dev, 230 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 231 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 232 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 233 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 234 dev_info(&pf->pdev->dev, 235 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 236 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 237 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 238 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 239 dev_info(&pf->pdev->dev, 240 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 241 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 242 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 243 dev_info(&pf->pdev->dev, 244 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 245 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 246 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 247 dev_info(&pf->pdev->dev, 248 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 249 vsi->tx_restart, vsi->tx_busy, 250 vsi->rx_buf_failed, vsi->rx_page_failed); 251 rcu_read_lock(); 252 for (i = 0; i < vsi->num_queue_pairs; i++) { 253 struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]); 254 255 if (!rx_ring) 256 continue; 257 258 dev_info(&pf->pdev->dev, 259 " rx_rings[%i]: desc = %p\n", 260 i, rx_ring->desc); 261 dev_info(&pf->pdev->dev, 262 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", 263 i, rx_ring->dev, 264 rx_ring->netdev, 265 rx_ring->rx_bi); 266 dev_info(&pf->pdev->dev, 267 " rx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 268 i, rx_ring->state, 269 rx_ring->queue_index, 270 rx_ring->reg_idx); 271 dev_info(&pf->pdev->dev, 272 " rx_rings[%i]: rx_hdr_len = %d, rx_buf_len = %d, dtype = %d\n", 273 i, rx_ring->rx_hdr_len, 274 rx_ring->rx_buf_len, 275 rx_ring->dtype); 276 dev_info(&pf->pdev->dev, 277 " rx_rings[%i]: hsplit = %d, next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 278 i, ring_is_ps_enabled(rx_ring), 279 rx_ring->next_to_use, 280 rx_ring->next_to_clean, 281 rx_ring->ring_active); 282 dev_info(&pf->pdev->dev, 283 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 284 i, rx_ring->stats.packets, 285 rx_ring->stats.bytes, 286 rx_ring->rx_stats.non_eop_descs); 287 dev_info(&pf->pdev->dev, 288 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 289 i, 290 rx_ring->rx_stats.alloc_page_failed, 291 rx_ring->rx_stats.alloc_buff_failed); 292 dev_info(&pf->pdev->dev, 293 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n", 294 i, 295 rx_ring->rx_stats.realloc_count, 296 rx_ring->rx_stats.page_reuse_count); 297 dev_info(&pf->pdev->dev, 298 " rx_rings[%i]: size = %i, dma = 0x%08lx\n", 299 i, rx_ring->size, 300 (unsigned long int)rx_ring->dma); 301 dev_info(&pf->pdev->dev, 302 " rx_rings[%i]: vsi = %p, q_vector = %p\n", 303 i, rx_ring->vsi, 304 rx_ring->q_vector); 305 dev_info(&pf->pdev->dev, 306 " rx_rings[%i]: rx_itr_setting = %d (%s)\n", 307 i, rx_ring->rx_itr_setting, 308 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed"); 309 } 310 for (i = 0; i < vsi->num_queue_pairs; i++) { 311 struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); 312 313 if (!tx_ring) 314 continue; 315 316 dev_info(&pf->pdev->dev, 317 " tx_rings[%i]: desc = %p\n", 318 i, tx_ring->desc); 319 dev_info(&pf->pdev->dev, 320 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", 321 i, tx_ring->dev, 322 tx_ring->netdev, 323 tx_ring->tx_bi); 324 dev_info(&pf->pdev->dev, 325 " tx_rings[%i]: state = %li, queue_index = %d, reg_idx = %d\n", 326 i, tx_ring->state, 327 tx_ring->queue_index, 328 tx_ring->reg_idx); 329 dev_info(&pf->pdev->dev, 330 " tx_rings[%i]: dtype = %d\n", 331 i, tx_ring->dtype); 332 dev_info(&pf->pdev->dev, 333 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 334 i, 335 tx_ring->next_to_use, 336 tx_ring->next_to_clean, 337 tx_ring->ring_active); 338 dev_info(&pf->pdev->dev, 339 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 340 i, tx_ring->stats.packets, 341 tx_ring->stats.bytes, 342 tx_ring->tx_stats.restart_queue); 343 dev_info(&pf->pdev->dev, 344 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 345 i, 346 tx_ring->tx_stats.tx_busy, 347 tx_ring->tx_stats.tx_done_old); 348 dev_info(&pf->pdev->dev, 349 " tx_rings[%i]: size = %i, dma = 0x%08lx\n", 350 i, tx_ring->size, 351 (unsigned long int)tx_ring->dma); 352 dev_info(&pf->pdev->dev, 353 " tx_rings[%i]: vsi = %p, q_vector = %p\n", 354 i, tx_ring->vsi, 355 tx_ring->q_vector); 356 dev_info(&pf->pdev->dev, 357 " tx_rings[%i]: DCB tc = %d\n", 358 i, tx_ring->dcb_tc); 359 dev_info(&pf->pdev->dev, 360 " tx_rings[%i]: tx_itr_setting = %d (%s)\n", 361 i, tx_ring->tx_itr_setting, 362 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed"); 363 } 364 rcu_read_unlock(); 365 dev_info(&pf->pdev->dev, 366 " work_limit = %d\n", 367 vsi->work_limit); 368 dev_info(&pf->pdev->dev, 369 " max_frame = %d, rx_hdr_len = %d, rx_buf_len = %d dtype = %d\n", 370 vsi->max_frame, vsi->rx_hdr_len, vsi->rx_buf_len, vsi->dtype); 371 dev_info(&pf->pdev->dev, 372 " num_q_vectors = %i, base_vector = %i\n", 373 vsi->num_q_vectors, vsi->base_vector); 374 dev_info(&pf->pdev->dev, 375 " seid = %d, id = %d, uplink_seid = %d\n", 376 vsi->seid, vsi->id, vsi->uplink_seid); 377 dev_info(&pf->pdev->dev, 378 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n", 379 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc); 380 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 381 dev_info(&pf->pdev->dev, 382 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 383 vsi->info.valid_sections, vsi->info.switch_id); 384 dev_info(&pf->pdev->dev, 385 " info: sw_reserved[] = 0x%02x 0x%02x\n", 386 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 387 dev_info(&pf->pdev->dev, 388 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 389 vsi->info.sec_flags, vsi->info.sec_reserved); 390 dev_info(&pf->pdev->dev, 391 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 392 vsi->info.pvid, vsi->info.fcoe_pvid, 393 vsi->info.port_vlan_flags); 394 dev_info(&pf->pdev->dev, 395 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 396 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 397 vsi->info.pvlan_reserved[2]); 398 dev_info(&pf->pdev->dev, 399 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 400 vsi->info.ingress_table, vsi->info.egress_table); 401 dev_info(&pf->pdev->dev, 402 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 403 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 404 vsi->info.cas_pv_reserved); 405 dev_info(&pf->pdev->dev, 406 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 407 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 408 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 409 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 410 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 411 dev_info(&pf->pdev->dev, 412 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 413 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 414 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 415 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 416 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 417 dev_info(&pf->pdev->dev, 418 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 419 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 420 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 421 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 422 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 423 dev_info(&pf->pdev->dev, 424 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 425 vsi->info.queueing_opt_flags, 426 vsi->info.queueing_opt_reserved[0], 427 vsi->info.queueing_opt_reserved[1], 428 vsi->info.queueing_opt_reserved[2]); 429 dev_info(&pf->pdev->dev, 430 " info: up_enable_bits = 0x%02x\n", 431 vsi->info.up_enable_bits); 432 dev_info(&pf->pdev->dev, 433 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 434 vsi->info.sched_reserved, vsi->info.outer_up_table); 435 dev_info(&pf->pdev->dev, 436 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 437 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 438 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 439 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 440 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 441 dev_info(&pf->pdev->dev, 442 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 443 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 444 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 445 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 446 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 447 dev_info(&pf->pdev->dev, 448 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 449 vsi->info.stat_counter_idx, vsi->info.sched_id); 450 dev_info(&pf->pdev->dev, 451 " 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", 452 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 453 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 454 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 455 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 456 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 457 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 458 if (vsi->back) 459 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back); 460 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 461 dev_info(&pf->pdev->dev, 462 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 463 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 464 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 465 dev_info(&pf->pdev->dev, 466 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 467 i, vsi->tc_config.tc_info[i].qoffset, 468 vsi->tc_config.tc_info[i].qcount, 469 vsi->tc_config.tc_info[i].netdev_tc); 470 } 471 dev_info(&pf->pdev->dev, 472 " bw: bw_limit = %d, bw_max_quanta = %d\n", 473 vsi->bw_limit, vsi->bw_max_quanta); 474 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 475 dev_info(&pf->pdev->dev, 476 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 477 i, vsi->bw_ets_share_credits[i], 478 vsi->bw_ets_limit_credits[i], 479 vsi->bw_ets_max_quanta[i]); 480 } 481 #ifdef I40E_FCOE 482 if (vsi->type == I40E_VSI_FCOE) { 483 dev_info(&pf->pdev->dev, 484 " fcoe_stats: rx_packets = %llu, rx_dwords = %llu, rx_dropped = %llu\n", 485 vsi->fcoe_stats.rx_fcoe_packets, 486 vsi->fcoe_stats.rx_fcoe_dwords, 487 vsi->fcoe_stats.rx_fcoe_dropped); 488 dev_info(&pf->pdev->dev, 489 " fcoe_stats: tx_packets = %llu, tx_dwords = %llu\n", 490 vsi->fcoe_stats.tx_fcoe_packets, 491 vsi->fcoe_stats.tx_fcoe_dwords); 492 dev_info(&pf->pdev->dev, 493 " fcoe_stats: bad_crc = %llu, last_error = %llu\n", 494 vsi->fcoe_stats.fcoe_bad_fccrc, 495 vsi->fcoe_stats.fcoe_last_error); 496 dev_info(&pf->pdev->dev, " fcoe_stats: ddp_count = %llu\n", 497 vsi->fcoe_stats.fcoe_ddp_count); 498 } 499 #endif 500 } 501 502 /** 503 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 504 * @pf: the i40e_pf created in command write 505 **/ 506 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 507 { 508 struct i40e_adminq_ring *ring; 509 struct i40e_hw *hw = &pf->hw; 510 char hdr[32]; 511 int i; 512 513 snprintf(hdr, sizeof(hdr), "%s %s: ", 514 dev_driver_string(&pf->pdev->dev), 515 dev_name(&pf->pdev->dev)); 516 517 /* first the send (command) ring, then the receive (event) ring */ 518 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 519 ring = &(hw->aq.asq); 520 for (i = 0; i < ring->count; i++) { 521 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 522 523 dev_info(&pf->pdev->dev, 524 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 525 i, d->flags, d->opcode, d->datalen, d->retval, 526 d->cookie_high, d->cookie_low); 527 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 528 16, 1, d->params.raw, 16, 0); 529 } 530 531 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 532 ring = &(hw->aq.arq); 533 for (i = 0; i < ring->count; i++) { 534 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 535 536 dev_info(&pf->pdev->dev, 537 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 538 i, d->flags, d->opcode, d->datalen, d->retval, 539 d->cookie_high, d->cookie_low); 540 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 541 16, 1, d->params.raw, 16, 0); 542 } 543 } 544 545 /** 546 * i40e_dbg_dump_desc - handles dump desc write into command datum 547 * @cnt: number of arguments that the user supplied 548 * @vsi_seid: vsi id entered by user 549 * @ring_id: ring id entered by user 550 * @desc_n: descriptor number entered by user 551 * @pf: the i40e_pf created in command write 552 * @is_rx_ring: true if rx, false if tx 553 **/ 554 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 555 struct i40e_pf *pf, bool is_rx_ring) 556 { 557 struct i40e_tx_desc *txd; 558 union i40e_rx_desc *rxd; 559 struct i40e_ring *ring; 560 struct i40e_vsi *vsi; 561 int i; 562 563 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 564 if (!vsi) { 565 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 566 return; 567 } 568 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 569 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 570 return; 571 } 572 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 573 dev_info(&pf->pdev->dev, 574 "descriptor rings have not been allocated for vsi %d\n", 575 vsi_seid); 576 return; 577 } 578 579 ring = kmemdup(is_rx_ring 580 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], 581 sizeof(*ring), GFP_KERNEL); 582 if (!ring) 583 return; 584 585 if (cnt == 2) { 586 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 587 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 588 for (i = 0; i < ring->count; i++) { 589 if (!is_rx_ring) { 590 txd = I40E_TX_DESC(ring, i); 591 dev_info(&pf->pdev->dev, 592 " d[%03x] = 0x%016llx 0x%016llx\n", 593 i, txd->buffer_addr, 594 txd->cmd_type_offset_bsz); 595 } else if (sizeof(union i40e_rx_desc) == 596 sizeof(union i40e_16byte_rx_desc)) { 597 rxd = I40E_RX_DESC(ring, i); 598 dev_info(&pf->pdev->dev, 599 " d[%03x] = 0x%016llx 0x%016llx\n", 600 i, rxd->read.pkt_addr, 601 rxd->read.hdr_addr); 602 } else { 603 rxd = I40E_RX_DESC(ring, i); 604 dev_info(&pf->pdev->dev, 605 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 606 i, rxd->read.pkt_addr, 607 rxd->read.hdr_addr, 608 rxd->read.rsvd1, rxd->read.rsvd2); 609 } 610 } 611 } else if (cnt == 3) { 612 if (desc_n >= ring->count || desc_n < 0) { 613 dev_info(&pf->pdev->dev, 614 "descriptor %d not found\n", desc_n); 615 goto out; 616 } 617 if (!is_rx_ring) { 618 txd = I40E_TX_DESC(ring, desc_n); 619 dev_info(&pf->pdev->dev, 620 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 621 vsi_seid, ring_id, desc_n, 622 txd->buffer_addr, txd->cmd_type_offset_bsz); 623 } else if (sizeof(union i40e_rx_desc) == 624 sizeof(union i40e_16byte_rx_desc)) { 625 rxd = I40E_RX_DESC(ring, desc_n); 626 dev_info(&pf->pdev->dev, 627 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 628 vsi_seid, ring_id, desc_n, 629 rxd->read.pkt_addr, rxd->read.hdr_addr); 630 } else { 631 rxd = I40E_RX_DESC(ring, desc_n); 632 dev_info(&pf->pdev->dev, 633 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 634 vsi_seid, ring_id, desc_n, 635 rxd->read.pkt_addr, rxd->read.hdr_addr, 636 rxd->read.rsvd1, rxd->read.rsvd2); 637 } 638 } else { 639 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); 640 } 641 642 out: 643 kfree(ring); 644 } 645 646 /** 647 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 648 * @pf: the i40e_pf created in command write 649 **/ 650 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 651 { 652 int i; 653 654 for (i = 0; i < pf->num_alloc_vsi; i++) 655 if (pf->vsi[i]) 656 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 657 i, pf->vsi[i]->seid); 658 } 659 660 /** 661 * i40e_dbg_dump_stats - handles dump stats write into command datum 662 * @pf: the i40e_pf created in command write 663 * @estats: the eth stats structure to be dumped 664 **/ 665 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 666 struct i40e_eth_stats *estats) 667 { 668 dev_info(&pf->pdev->dev, " ethstats:\n"); 669 dev_info(&pf->pdev->dev, 670 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 671 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 672 dev_info(&pf->pdev->dev, 673 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 674 estats->rx_broadcast, estats->rx_discards); 675 dev_info(&pf->pdev->dev, 676 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 677 estats->rx_unknown_protocol, estats->tx_bytes); 678 dev_info(&pf->pdev->dev, 679 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 680 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 681 dev_info(&pf->pdev->dev, 682 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 683 estats->tx_discards, estats->tx_errors); 684 } 685 686 /** 687 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 688 * @pf: the i40e_pf created in command write 689 * @seid: the seid the user put in 690 **/ 691 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 692 { 693 struct i40e_veb *veb; 694 695 veb = i40e_dbg_find_veb(pf, seid); 696 if (!veb) { 697 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 698 return; 699 } 700 dev_info(&pf->pdev->dev, 701 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 702 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 703 veb->uplink_seid, 704 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 705 i40e_dbg_dump_eth_stats(pf, &veb->stats); 706 } 707 708 /** 709 * i40e_dbg_dump_veb_all - dumps all known veb's stats 710 * @pf: the i40e_pf created in command write 711 **/ 712 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 713 { 714 struct i40e_veb *veb; 715 int i; 716 717 for (i = 0; i < I40E_MAX_VEB; i++) { 718 veb = pf->veb[i]; 719 if (veb) 720 i40e_dbg_dump_veb_seid(pf, veb->seid); 721 } 722 } 723 724 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 725 /** 726 * i40e_dbg_command_write - write into command datum 727 * @filp: the opened file 728 * @buffer: where to find the user's data 729 * @count: the length of the user's data 730 * @ppos: file position offset 731 **/ 732 static ssize_t i40e_dbg_command_write(struct file *filp, 733 const char __user *buffer, 734 size_t count, loff_t *ppos) 735 { 736 struct i40e_pf *pf = filp->private_data; 737 char *cmd_buf, *cmd_buf_tmp; 738 int bytes_not_copied; 739 struct i40e_vsi *vsi; 740 int vsi_seid; 741 int veb_seid; 742 int cnt; 743 744 /* don't allow partial writes */ 745 if (*ppos != 0) 746 return 0; 747 748 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 749 if (!cmd_buf) 750 return count; 751 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 752 if (bytes_not_copied) { 753 kfree(cmd_buf); 754 return -EFAULT; 755 } 756 cmd_buf[count] = '\0'; 757 758 cmd_buf_tmp = strchr(cmd_buf, '\n'); 759 if (cmd_buf_tmp) { 760 *cmd_buf_tmp = '\0'; 761 count = cmd_buf_tmp - cmd_buf + 1; 762 } 763 764 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 765 vsi_seid = -1; 766 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 767 if (cnt == 0) { 768 /* default to PF VSI */ 769 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 770 } else if (vsi_seid < 0) { 771 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 772 vsi_seid); 773 goto command_write_done; 774 } 775 776 /* By default we are in VEPA mode, if this is the first VF/VMDq 777 * VSI to be added switch to VEB mode. 778 */ 779 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 780 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 781 i40e_do_reset_safe(pf, 782 BIT_ULL(__I40E_PF_RESET_REQUESTED)); 783 } 784 785 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 786 if (vsi) 787 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 788 vsi->seid, vsi->uplink_seid); 789 else 790 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 791 792 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 793 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 794 if (cnt != 1) { 795 dev_info(&pf->pdev->dev, 796 "del vsi: bad command string, cnt=%d\n", 797 cnt); 798 goto command_write_done; 799 } 800 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 801 if (!vsi) { 802 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 803 vsi_seid); 804 goto command_write_done; 805 } 806 807 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 808 i40e_vsi_release(vsi); 809 810 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 811 struct i40e_veb *veb; 812 int uplink_seid, i; 813 814 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 815 if (cnt != 2) { 816 dev_info(&pf->pdev->dev, 817 "add relay: bad command string, cnt=%d\n", 818 cnt); 819 goto command_write_done; 820 } else if (uplink_seid < 0) { 821 dev_info(&pf->pdev->dev, 822 "add relay %d: bad uplink seid\n", 823 uplink_seid); 824 goto command_write_done; 825 } 826 827 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 828 if (!vsi) { 829 dev_info(&pf->pdev->dev, 830 "add relay: VSI %d not found\n", vsi_seid); 831 goto command_write_done; 832 } 833 834 for (i = 0; i < I40E_MAX_VEB; i++) 835 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 836 break; 837 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 838 uplink_seid != pf->mac_seid) { 839 dev_info(&pf->pdev->dev, 840 "add relay: relay uplink %d not found\n", 841 uplink_seid); 842 goto command_write_done; 843 } 844 845 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 846 vsi->tc_config.enabled_tc); 847 if (veb) 848 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 849 else 850 dev_info(&pf->pdev->dev, "add relay failed\n"); 851 852 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 853 int i; 854 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 855 if (cnt != 1) { 856 dev_info(&pf->pdev->dev, 857 "del relay: bad command string, cnt=%d\n", 858 cnt); 859 goto command_write_done; 860 } else if (veb_seid < 0) { 861 dev_info(&pf->pdev->dev, 862 "del relay %d: bad relay seid\n", veb_seid); 863 goto command_write_done; 864 } 865 866 /* find the veb */ 867 for (i = 0; i < I40E_MAX_VEB; i++) 868 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 869 break; 870 if (i >= I40E_MAX_VEB) { 871 dev_info(&pf->pdev->dev, 872 "del relay: relay %d not found\n", veb_seid); 873 goto command_write_done; 874 } 875 876 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 877 i40e_veb_release(pf->veb[i]); 878 879 } else if (strncmp(cmd_buf, "add macaddr", 11) == 0) { 880 struct i40e_mac_filter *f; 881 int vlan = 0; 882 u8 ma[6]; 883 int ret; 884 885 cnt = sscanf(&cmd_buf[11], 886 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 887 &vsi_seid, 888 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 889 &vlan); 890 if (cnt == 7) { 891 vlan = 0; 892 } else if (cnt != 8) { 893 dev_info(&pf->pdev->dev, 894 "add macaddr: bad command string, cnt=%d\n", 895 cnt); 896 goto command_write_done; 897 } 898 899 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 900 if (!vsi) { 901 dev_info(&pf->pdev->dev, 902 "add macaddr: VSI %d not found\n", vsi_seid); 903 goto command_write_done; 904 } 905 906 spin_lock_bh(&vsi->mac_filter_list_lock); 907 f = i40e_add_filter(vsi, ma, vlan, false, false); 908 spin_unlock_bh(&vsi->mac_filter_list_lock); 909 ret = i40e_sync_vsi_filters(vsi); 910 if (f && !ret) 911 dev_info(&pf->pdev->dev, 912 "add macaddr: %pM vlan=%d added to VSI %d\n", 913 ma, vlan, vsi_seid); 914 else 915 dev_info(&pf->pdev->dev, 916 "add macaddr: %pM vlan=%d to VSI %d failed, f=%p ret=%d\n", 917 ma, vlan, vsi_seid, f, ret); 918 919 } else if (strncmp(cmd_buf, "del macaddr", 11) == 0) { 920 int vlan = 0; 921 u8 ma[6]; 922 int ret; 923 924 cnt = sscanf(&cmd_buf[11], 925 "%i %hhx:%hhx:%hhx:%hhx:%hhx:%hhx %i", 926 &vsi_seid, 927 &ma[0], &ma[1], &ma[2], &ma[3], &ma[4], &ma[5], 928 &vlan); 929 if (cnt == 7) { 930 vlan = 0; 931 } else if (cnt != 8) { 932 dev_info(&pf->pdev->dev, 933 "del macaddr: bad command string, cnt=%d\n", 934 cnt); 935 goto command_write_done; 936 } 937 938 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 939 if (!vsi) { 940 dev_info(&pf->pdev->dev, 941 "del macaddr: VSI %d not found\n", vsi_seid); 942 goto command_write_done; 943 } 944 945 spin_lock_bh(&vsi->mac_filter_list_lock); 946 i40e_del_filter(vsi, ma, vlan, false, false); 947 spin_unlock_bh(&vsi->mac_filter_list_lock); 948 ret = i40e_sync_vsi_filters(vsi); 949 if (!ret) 950 dev_info(&pf->pdev->dev, 951 "del macaddr: %pM vlan=%d removed from VSI %d\n", 952 ma, vlan, vsi_seid); 953 else 954 dev_info(&pf->pdev->dev, 955 "del macaddr: %pM vlan=%d from VSI %d failed, ret=%d\n", 956 ma, vlan, vsi_seid, ret); 957 958 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 959 i40e_status ret; 960 u16 vid; 961 unsigned int v; 962 963 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 964 if (cnt != 2) { 965 dev_info(&pf->pdev->dev, 966 "add pvid: bad command string, cnt=%d\n", cnt); 967 goto command_write_done; 968 } 969 970 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 971 if (!vsi) { 972 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 973 vsi_seid); 974 goto command_write_done; 975 } 976 977 vid = v; 978 ret = i40e_vsi_add_pvid(vsi, vid); 979 if (!ret) 980 dev_info(&pf->pdev->dev, 981 "add pvid: %d added to VSI %d\n", 982 vid, vsi_seid); 983 else 984 dev_info(&pf->pdev->dev, 985 "add pvid: %d to VSI %d failed, ret=%d\n", 986 vid, vsi_seid, ret); 987 988 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 989 990 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 991 if (cnt != 1) { 992 dev_info(&pf->pdev->dev, 993 "del pvid: bad command string, cnt=%d\n", 994 cnt); 995 goto command_write_done; 996 } 997 998 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 999 if (!vsi) { 1000 dev_info(&pf->pdev->dev, 1001 "del pvid: VSI %d not found\n", vsi_seid); 1002 goto command_write_done; 1003 } 1004 1005 i40e_vsi_remove_pvid(vsi); 1006 dev_info(&pf->pdev->dev, 1007 "del pvid: removed from VSI %d\n", vsi_seid); 1008 1009 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 1010 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 1011 i40e_fetch_switch_configuration(pf, true); 1012 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 1013 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1014 if (cnt > 0) 1015 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 1016 else 1017 i40e_dbg_dump_vsi_no_seid(pf); 1018 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 1019 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 1020 if (cnt > 0) 1021 i40e_dbg_dump_veb_seid(pf, vsi_seid); 1022 else 1023 i40e_dbg_dump_veb_all(pf); 1024 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 1025 int ring_id, desc_n; 1026 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 1027 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1028 &vsi_seid, &ring_id, &desc_n); 1029 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1030 desc_n, pf, true); 1031 } else if (strncmp(&cmd_buf[10], "tx", 2) 1032 == 0) { 1033 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1034 &vsi_seid, &ring_id, &desc_n); 1035 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1036 desc_n, pf, false); 1037 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1038 i40e_dbg_dump_aq_desc(pf); 1039 } else { 1040 dev_info(&pf->pdev->dev, 1041 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1042 dev_info(&pf->pdev->dev, 1043 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1044 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1045 } 1046 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1047 dev_info(&pf->pdev->dev, 1048 "core reset count: %d\n", pf->corer_count); 1049 dev_info(&pf->pdev->dev, 1050 "global reset count: %d\n", pf->globr_count); 1051 dev_info(&pf->pdev->dev, 1052 "emp reset count: %d\n", pf->empr_count); 1053 dev_info(&pf->pdev->dev, 1054 "pf reset count: %d\n", pf->pfr_count); 1055 dev_info(&pf->pdev->dev, 1056 "pf tx sluggish count: %d\n", 1057 pf->tx_sluggish_count); 1058 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1059 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1060 struct i40e_dcbx_config *cfg = 1061 &pf->hw.local_dcbx_config; 1062 struct i40e_dcbx_config *r_cfg = 1063 &pf->hw.remote_dcbx_config; 1064 int i, ret; 1065 1066 bw_data = kzalloc(sizeof( 1067 struct i40e_aqc_query_port_ets_config_resp), 1068 GFP_KERNEL); 1069 if (!bw_data) { 1070 ret = -ENOMEM; 1071 goto command_write_done; 1072 } 1073 1074 ret = i40e_aq_query_port_ets_config(&pf->hw, 1075 pf->mac_seid, 1076 bw_data, NULL); 1077 if (ret) { 1078 dev_info(&pf->pdev->dev, 1079 "Query Port ETS Config AQ command failed =0x%x\n", 1080 pf->hw.aq.asq_last_status); 1081 kfree(bw_data); 1082 bw_data = NULL; 1083 goto command_write_done; 1084 } 1085 dev_info(&pf->pdev->dev, 1086 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1087 bw_data->tc_valid_bits, 1088 bw_data->tc_strict_priority_bits, 1089 le16_to_cpu(bw_data->tc_bw_max[0]), 1090 le16_to_cpu(bw_data->tc_bw_max[1])); 1091 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1092 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1093 bw_data->tc_bw_share_credits[i], 1094 le16_to_cpu(bw_data->tc_bw_limits[i])); 1095 } 1096 1097 kfree(bw_data); 1098 bw_data = NULL; 1099 1100 dev_info(&pf->pdev->dev, 1101 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1102 dev_info(&pf->pdev->dev, 1103 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1104 cfg->etscfg.willing, cfg->etscfg.cbs, 1105 cfg->etscfg.maxtcs); 1106 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1107 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1108 i, cfg->etscfg.prioritytable[i], 1109 cfg->etscfg.tcbwtable[i], 1110 cfg->etscfg.tsatable[i]); 1111 } 1112 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1113 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1114 i, cfg->etsrec.prioritytable[i], 1115 cfg->etsrec.tcbwtable[i], 1116 cfg->etsrec.tsatable[i]); 1117 } 1118 dev_info(&pf->pdev->dev, 1119 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1120 cfg->pfc.willing, cfg->pfc.mbc, 1121 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1122 dev_info(&pf->pdev->dev, 1123 "port app_table: num_apps=%d\n", cfg->numapps); 1124 for (i = 0; i < cfg->numapps; i++) { 1125 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1126 i, cfg->app[i].priority, 1127 cfg->app[i].selector, 1128 cfg->app[i].protocolid); 1129 } 1130 /* Peer TLV DCBX data */ 1131 dev_info(&pf->pdev->dev, 1132 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1133 r_cfg->etscfg.willing, 1134 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1135 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1136 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1137 i, r_cfg->etscfg.prioritytable[i], 1138 r_cfg->etscfg.tcbwtable[i], 1139 r_cfg->etscfg.tsatable[i]); 1140 } 1141 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1142 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1143 i, r_cfg->etsrec.prioritytable[i], 1144 r_cfg->etsrec.tcbwtable[i], 1145 r_cfg->etsrec.tsatable[i]); 1146 } 1147 dev_info(&pf->pdev->dev, 1148 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1149 r_cfg->pfc.willing, 1150 r_cfg->pfc.mbc, 1151 r_cfg->pfc.pfccap, 1152 r_cfg->pfc.pfcenable); 1153 dev_info(&pf->pdev->dev, 1154 "remote port app_table: num_apps=%d\n", 1155 r_cfg->numapps); 1156 for (i = 0; i < r_cfg->numapps; i++) { 1157 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1158 i, r_cfg->app[i].priority, 1159 r_cfg->app[i].selector, 1160 r_cfg->app[i].protocolid); 1161 } 1162 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1163 int cluster_id, table_id; 1164 int index, ret; 1165 u16 buff_len = 4096; 1166 u32 next_index; 1167 u8 next_table; 1168 u8 *buff; 1169 u16 rlen; 1170 1171 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1172 &cluster_id, &table_id, &index); 1173 if (cnt != 3) { 1174 dev_info(&pf->pdev->dev, 1175 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1176 goto command_write_done; 1177 } 1178 1179 dev_info(&pf->pdev->dev, 1180 "AQ debug dump fwdata params %x %x %x %x\n", 1181 cluster_id, table_id, index, buff_len); 1182 buff = kzalloc(buff_len, GFP_KERNEL); 1183 if (!buff) 1184 goto command_write_done; 1185 1186 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1187 index, buff_len, buff, &rlen, 1188 &next_table, &next_index, 1189 NULL); 1190 if (ret) { 1191 dev_info(&pf->pdev->dev, 1192 "debug dump fwdata AQ Failed %d 0x%x\n", 1193 ret, pf->hw.aq.asq_last_status); 1194 kfree(buff); 1195 buff = NULL; 1196 goto command_write_done; 1197 } 1198 dev_info(&pf->pdev->dev, 1199 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1200 rlen, next_table, next_index); 1201 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1202 DUMP_PREFIX_OFFSET, 16, 1, 1203 buff, rlen, true); 1204 kfree(buff); 1205 buff = NULL; 1206 } else { 1207 dev_info(&pf->pdev->dev, 1208 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1209 dev_info(&pf->pdev->dev, "dump switch\n"); 1210 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1211 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1212 dev_info(&pf->pdev->dev, "dump port\n"); 1213 dev_info(&pf->pdev->dev, 1214 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1215 } 1216 1217 } else if (strncmp(cmd_buf, "msg_enable", 10) == 0) { 1218 u32 level; 1219 cnt = sscanf(&cmd_buf[10], "%i", &level); 1220 if (cnt) { 1221 if (I40E_DEBUG_USER & level) { 1222 pf->hw.debug_mask = level; 1223 dev_info(&pf->pdev->dev, 1224 "set hw.debug_mask = 0x%08x\n", 1225 pf->hw.debug_mask); 1226 } 1227 pf->msg_enable = level; 1228 dev_info(&pf->pdev->dev, "set msg_enable = 0x%08x\n", 1229 pf->msg_enable); 1230 } else { 1231 dev_info(&pf->pdev->dev, "msg_enable = 0x%08x\n", 1232 pf->msg_enable); 1233 } 1234 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1235 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1236 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1237 1238 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1239 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1240 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1241 1242 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1243 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1244 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1245 1246 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1247 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1248 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1249 1250 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1251 u32 address; 1252 u32 value; 1253 1254 cnt = sscanf(&cmd_buf[4], "%i", &address); 1255 if (cnt != 1) { 1256 dev_info(&pf->pdev->dev, "read <reg>\n"); 1257 goto command_write_done; 1258 } 1259 1260 /* check the range on address */ 1261 if (address > (pf->ioremap_len - sizeof(u32))) { 1262 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1263 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1264 goto command_write_done; 1265 } 1266 1267 value = rd32(&pf->hw, address); 1268 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1269 address, value); 1270 1271 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1272 u32 address, value; 1273 1274 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1275 if (cnt != 2) { 1276 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1277 goto command_write_done; 1278 } 1279 1280 /* check the range on address */ 1281 if (address > (pf->ioremap_len - sizeof(u32))) { 1282 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1283 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1284 goto command_write_done; 1285 } 1286 wr32(&pf->hw, address, value); 1287 value = rd32(&pf->hw, address); 1288 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1289 address, value); 1290 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1291 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1292 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1293 if (cnt == 0) { 1294 int i; 1295 1296 for (i = 0; i < pf->num_alloc_vsi; i++) 1297 i40e_vsi_reset_stats(pf->vsi[i]); 1298 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1299 } else if (cnt == 1) { 1300 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1301 if (!vsi) { 1302 dev_info(&pf->pdev->dev, 1303 "clear_stats vsi: bad vsi %d\n", 1304 vsi_seid); 1305 goto command_write_done; 1306 } 1307 i40e_vsi_reset_stats(vsi); 1308 dev_info(&pf->pdev->dev, 1309 "vsi clear stats called for vsi %d\n", 1310 vsi_seid); 1311 } else { 1312 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1313 } 1314 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1315 if (pf->hw.partition_id == 1) { 1316 i40e_pf_reset_stats(pf); 1317 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1318 } else { 1319 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1320 } 1321 } else { 1322 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1323 } 1324 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1325 struct i40e_aq_desc *desc; 1326 i40e_status ret; 1327 1328 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1329 if (!desc) 1330 goto command_write_done; 1331 cnt = sscanf(&cmd_buf[11], 1332 "%hi %hi %hi %hi %i %i %i %i %i %i", 1333 &desc->flags, 1334 &desc->opcode, &desc->datalen, &desc->retval, 1335 &desc->cookie_high, &desc->cookie_low, 1336 &desc->params.internal.param0, 1337 &desc->params.internal.param1, 1338 &desc->params.internal.param2, 1339 &desc->params.internal.param3); 1340 if (cnt != 10) { 1341 dev_info(&pf->pdev->dev, 1342 "send aq_cmd: bad command string, cnt=%d\n", 1343 cnt); 1344 kfree(desc); 1345 desc = NULL; 1346 goto command_write_done; 1347 } 1348 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1349 if (!ret) { 1350 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1351 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1352 dev_info(&pf->pdev->dev, 1353 "AQ command send failed Opcode %x AQ Error: %d\n", 1354 desc->opcode, pf->hw.aq.asq_last_status); 1355 } else { 1356 dev_info(&pf->pdev->dev, 1357 "AQ command send failed Opcode %x Status: %d\n", 1358 desc->opcode, ret); 1359 } 1360 dev_info(&pf->pdev->dev, 1361 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1362 desc->flags, desc->opcode, desc->datalen, desc->retval, 1363 desc->cookie_high, desc->cookie_low, 1364 desc->params.internal.param0, 1365 desc->params.internal.param1, 1366 desc->params.internal.param2, 1367 desc->params.internal.param3); 1368 kfree(desc); 1369 desc = NULL; 1370 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1371 struct i40e_aq_desc *desc; 1372 i40e_status ret; 1373 u16 buffer_len; 1374 u8 *buff; 1375 1376 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1377 if (!desc) 1378 goto command_write_done; 1379 cnt = sscanf(&cmd_buf[20], 1380 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1381 &desc->flags, 1382 &desc->opcode, &desc->datalen, &desc->retval, 1383 &desc->cookie_high, &desc->cookie_low, 1384 &desc->params.internal.param0, 1385 &desc->params.internal.param1, 1386 &desc->params.internal.param2, 1387 &desc->params.internal.param3, 1388 &buffer_len); 1389 if (cnt != 11) { 1390 dev_info(&pf->pdev->dev, 1391 "send indirect aq_cmd: bad command string, cnt=%d\n", 1392 cnt); 1393 kfree(desc); 1394 desc = NULL; 1395 goto command_write_done; 1396 } 1397 /* Just stub a buffer big enough in case user messed up */ 1398 if (buffer_len == 0) 1399 buffer_len = 1280; 1400 1401 buff = kzalloc(buffer_len, GFP_KERNEL); 1402 if (!buff) { 1403 kfree(desc); 1404 desc = NULL; 1405 goto command_write_done; 1406 } 1407 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1408 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1409 buffer_len, NULL); 1410 if (!ret) { 1411 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1412 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1413 dev_info(&pf->pdev->dev, 1414 "AQ command send failed Opcode %x AQ Error: %d\n", 1415 desc->opcode, pf->hw.aq.asq_last_status); 1416 } else { 1417 dev_info(&pf->pdev->dev, 1418 "AQ command send failed Opcode %x Status: %d\n", 1419 desc->opcode, ret); 1420 } 1421 dev_info(&pf->pdev->dev, 1422 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1423 desc->flags, desc->opcode, desc->datalen, desc->retval, 1424 desc->cookie_high, desc->cookie_low, 1425 desc->params.internal.param0, 1426 desc->params.internal.param1, 1427 desc->params.internal.param2, 1428 desc->params.internal.param3); 1429 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1430 DUMP_PREFIX_OFFSET, 16, 1, 1431 buff, buffer_len, true); 1432 kfree(buff); 1433 buff = NULL; 1434 kfree(desc); 1435 desc = NULL; 1436 } else if ((strncmp(cmd_buf, "add fd_filter", 13) == 0) || 1437 (strncmp(cmd_buf, "rem fd_filter", 13) == 0)) { 1438 struct i40e_fdir_filter fd_data; 1439 u16 packet_len, i, j = 0; 1440 char *asc_packet; 1441 u8 *raw_packet; 1442 bool add = false; 1443 int ret; 1444 1445 if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED)) 1446 goto command_write_done; 1447 1448 if (strncmp(cmd_buf, "add", 3) == 0) 1449 add = true; 1450 1451 if (add && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) 1452 goto command_write_done; 1453 1454 asc_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1455 GFP_KERNEL); 1456 if (!asc_packet) 1457 goto command_write_done; 1458 1459 raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, 1460 GFP_KERNEL); 1461 1462 if (!raw_packet) { 1463 kfree(asc_packet); 1464 asc_packet = NULL; 1465 goto command_write_done; 1466 } 1467 1468 cnt = sscanf(&cmd_buf[13], 1469 "%hx %2hhx %2hhx %hx %2hhx %2hhx %hx %x %hd %511s", 1470 &fd_data.q_index, 1471 &fd_data.flex_off, &fd_data.pctype, 1472 &fd_data.dest_vsi, &fd_data.dest_ctl, 1473 &fd_data.fd_status, &fd_data.cnt_index, 1474 &fd_data.fd_id, &packet_len, asc_packet); 1475 if (cnt != 10) { 1476 dev_info(&pf->pdev->dev, 1477 "program fd_filter: bad command string, cnt=%d\n", 1478 cnt); 1479 kfree(asc_packet); 1480 asc_packet = NULL; 1481 kfree(raw_packet); 1482 goto command_write_done; 1483 } 1484 1485 /* fix packet length if user entered 0 */ 1486 if (packet_len == 0) 1487 packet_len = I40E_FDIR_MAX_RAW_PACKET_SIZE; 1488 1489 /* make sure to check the max as well */ 1490 packet_len = min_t(u16, 1491 packet_len, I40E_FDIR_MAX_RAW_PACKET_SIZE); 1492 1493 for (i = 0; i < packet_len; i++) { 1494 cnt = sscanf(&asc_packet[j], "%2hhx ", &raw_packet[i]); 1495 if (!cnt) 1496 break; 1497 j += 3; 1498 } 1499 dev_info(&pf->pdev->dev, "FD raw packet dump\n"); 1500 print_hex_dump(KERN_INFO, "FD raw packet: ", 1501 DUMP_PREFIX_OFFSET, 16, 1, 1502 raw_packet, packet_len, true); 1503 ret = i40e_program_fdir_filter(&fd_data, raw_packet, pf, add); 1504 if (!ret) { 1505 dev_info(&pf->pdev->dev, "Filter command send Status : Success\n"); 1506 } else { 1507 dev_info(&pf->pdev->dev, 1508 "Filter command send failed %d\n", ret); 1509 } 1510 kfree(raw_packet); 1511 raw_packet = NULL; 1512 kfree(asc_packet); 1513 asc_packet = NULL; 1514 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1515 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1516 i40e_get_current_fd_count(pf)); 1517 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1518 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1519 int ret; 1520 1521 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1522 if (ret) { 1523 dev_info(&pf->pdev->dev, 1524 "Stop LLDP AQ command failed =0x%x\n", 1525 pf->hw.aq.asq_last_status); 1526 goto command_write_done; 1527 } 1528 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1529 pf->hw.mac.addr, 1530 I40E_ETH_P_LLDP, 0, 1531 pf->vsi[pf->lan_vsi]->seid, 1532 0, true, NULL, NULL); 1533 if (ret) { 1534 dev_info(&pf->pdev->dev, 1535 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1536 __func__, pf->hw.aq.asq_last_status); 1537 goto command_write_done; 1538 } 1539 #ifdef CONFIG_I40E_DCB 1540 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1541 DCB_CAP_DCBX_VER_IEEE; 1542 #endif /* CONFIG_I40E_DCB */ 1543 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1544 int ret; 1545 1546 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1547 pf->hw.mac.addr, 1548 I40E_ETH_P_LLDP, 0, 1549 pf->vsi[pf->lan_vsi]->seid, 1550 0, false, NULL, NULL); 1551 if (ret) { 1552 dev_info(&pf->pdev->dev, 1553 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1554 __func__, pf->hw.aq.asq_last_status); 1555 /* Continue and start FW LLDP anyways */ 1556 } 1557 1558 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1559 if (ret) { 1560 dev_info(&pf->pdev->dev, 1561 "Start LLDP AQ command failed =0x%x\n", 1562 pf->hw.aq.asq_last_status); 1563 goto command_write_done; 1564 } 1565 #ifdef CONFIG_I40E_DCB 1566 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1567 DCB_CAP_DCBX_VER_IEEE; 1568 #endif /* CONFIG_I40E_DCB */ 1569 } else if (strncmp(&cmd_buf[5], 1570 "get local", 9) == 0) { 1571 u16 llen, rlen; 1572 int ret; 1573 u8 *buff; 1574 1575 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1576 if (!buff) 1577 goto command_write_done; 1578 1579 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1580 I40E_AQ_LLDP_MIB_LOCAL, 1581 buff, I40E_LLDPDU_SIZE, 1582 &llen, &rlen, NULL); 1583 if (ret) { 1584 dev_info(&pf->pdev->dev, 1585 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1586 pf->hw.aq.asq_last_status); 1587 kfree(buff); 1588 buff = NULL; 1589 goto command_write_done; 1590 } 1591 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1592 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1593 DUMP_PREFIX_OFFSET, 16, 1, 1594 buff, I40E_LLDPDU_SIZE, true); 1595 kfree(buff); 1596 buff = NULL; 1597 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1598 u16 llen, rlen; 1599 int ret; 1600 u8 *buff; 1601 1602 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1603 if (!buff) 1604 goto command_write_done; 1605 1606 ret = i40e_aq_get_lldp_mib(&pf->hw, 1607 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1608 I40E_AQ_LLDP_MIB_REMOTE, 1609 buff, I40E_LLDPDU_SIZE, 1610 &llen, &rlen, NULL); 1611 if (ret) { 1612 dev_info(&pf->pdev->dev, 1613 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1614 pf->hw.aq.asq_last_status); 1615 kfree(buff); 1616 buff = NULL; 1617 goto command_write_done; 1618 } 1619 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1620 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1621 DUMP_PREFIX_OFFSET, 16, 1, 1622 buff, I40E_LLDPDU_SIZE, true); 1623 kfree(buff); 1624 buff = NULL; 1625 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1626 int ret; 1627 1628 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1629 true, NULL); 1630 if (ret) { 1631 dev_info(&pf->pdev->dev, 1632 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1633 pf->hw.aq.asq_last_status); 1634 goto command_write_done; 1635 } 1636 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1637 int ret; 1638 1639 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1640 false, NULL); 1641 if (ret) { 1642 dev_info(&pf->pdev->dev, 1643 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1644 pf->hw.aq.asq_last_status); 1645 goto command_write_done; 1646 } 1647 } 1648 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1649 u16 buffer_len, bytes; 1650 u16 module; 1651 u32 offset; 1652 u16 *buff; 1653 int ret; 1654 1655 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1656 &module, &offset, &buffer_len); 1657 if (cnt == 0) { 1658 module = 0; 1659 offset = 0; 1660 buffer_len = 0; 1661 } else if (cnt == 1) { 1662 offset = 0; 1663 buffer_len = 0; 1664 } else if (cnt == 2) { 1665 buffer_len = 0; 1666 } else if (cnt > 3) { 1667 dev_info(&pf->pdev->dev, 1668 "nvm read: bad command string, cnt=%d\n", cnt); 1669 goto command_write_done; 1670 } 1671 1672 /* set the max length */ 1673 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1674 1675 bytes = 2 * buffer_len; 1676 1677 /* read at least 1k bytes, no more than 4kB */ 1678 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1679 buff = kzalloc(bytes, GFP_KERNEL); 1680 if (!buff) 1681 goto command_write_done; 1682 1683 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1684 if (ret) { 1685 dev_info(&pf->pdev->dev, 1686 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1687 ret, pf->hw.aq.asq_last_status); 1688 kfree(buff); 1689 goto command_write_done; 1690 } 1691 1692 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1693 bytes, (u8 *)buff, true, NULL); 1694 i40e_release_nvm(&pf->hw); 1695 if (ret) { 1696 dev_info(&pf->pdev->dev, 1697 "Read NVM AQ failed err=%d status=0x%x\n", 1698 ret, pf->hw.aq.asq_last_status); 1699 } else { 1700 dev_info(&pf->pdev->dev, 1701 "Read NVM module=0x%x offset=0x%x words=%d\n", 1702 module, offset, buffer_len); 1703 if (bytes) 1704 print_hex_dump(KERN_INFO, "NVM Dump: ", 1705 DUMP_PREFIX_OFFSET, 16, 2, 1706 buff, bytes, true); 1707 } 1708 kfree(buff); 1709 buff = NULL; 1710 } else { 1711 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1712 dev_info(&pf->pdev->dev, "available commands\n"); 1713 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1714 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1715 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1716 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1717 dev_info(&pf->pdev->dev, " add macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1718 dev_info(&pf->pdev->dev, " del macaddr <vsi_seid> <aa:bb:cc:dd:ee:ff> [vlan]\n"); 1719 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1720 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1721 dev_info(&pf->pdev->dev, " dump switch\n"); 1722 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1723 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1724 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1725 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1726 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1727 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1728 dev_info(&pf->pdev->dev, " msg_enable [level]\n"); 1729 dev_info(&pf->pdev->dev, " read <reg>\n"); 1730 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1731 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1732 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1733 dev_info(&pf->pdev->dev, " pfr\n"); 1734 dev_info(&pf->pdev->dev, " corer\n"); 1735 dev_info(&pf->pdev->dev, " globr\n"); 1736 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1737 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1738 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"); 1739 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"); 1740 dev_info(&pf->pdev->dev, " fd current cnt"); 1741 dev_info(&pf->pdev->dev, " lldp start\n"); 1742 dev_info(&pf->pdev->dev, " lldp stop\n"); 1743 dev_info(&pf->pdev->dev, " lldp get local\n"); 1744 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1745 dev_info(&pf->pdev->dev, " lldp event on\n"); 1746 dev_info(&pf->pdev->dev, " lldp event off\n"); 1747 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1748 } 1749 1750 command_write_done: 1751 kfree(cmd_buf); 1752 cmd_buf = NULL; 1753 return count; 1754 } 1755 1756 static const struct file_operations i40e_dbg_command_fops = { 1757 .owner = THIS_MODULE, 1758 .open = simple_open, 1759 .read = i40e_dbg_command_read, 1760 .write = i40e_dbg_command_write, 1761 }; 1762 1763 /************************************************************** 1764 * netdev_ops 1765 * The netdev_ops entry in debugfs is for giving the driver commands 1766 * to be executed from the netdev operations. 1767 **************************************************************/ 1768 static char i40e_dbg_netdev_ops_buf[256] = ""; 1769 1770 /** 1771 * i40e_dbg_netdev_ops - read for netdev_ops datum 1772 * @filp: the opened file 1773 * @buffer: where to write the data for the user to read 1774 * @count: the size of the user's buffer 1775 * @ppos: file position offset 1776 **/ 1777 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1778 size_t count, loff_t *ppos) 1779 { 1780 struct i40e_pf *pf = filp->private_data; 1781 int bytes_not_copied; 1782 int buf_size = 256; 1783 char *buf; 1784 int len; 1785 1786 /* don't allow partal reads */ 1787 if (*ppos != 0) 1788 return 0; 1789 if (count < buf_size) 1790 return -ENOSPC; 1791 1792 buf = kzalloc(buf_size, GFP_KERNEL); 1793 if (!buf) 1794 return -ENOSPC; 1795 1796 len = snprintf(buf, buf_size, "%s: %s\n", 1797 pf->vsi[pf->lan_vsi]->netdev->name, 1798 i40e_dbg_netdev_ops_buf); 1799 1800 bytes_not_copied = copy_to_user(buffer, buf, len); 1801 kfree(buf); 1802 1803 if (bytes_not_copied) 1804 return -EFAULT; 1805 1806 *ppos = len; 1807 return len; 1808 } 1809 1810 /** 1811 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1812 * @filp: the opened file 1813 * @buffer: where to find the user's data 1814 * @count: the length of the user's data 1815 * @ppos: file position offset 1816 **/ 1817 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1818 const char __user *buffer, 1819 size_t count, loff_t *ppos) 1820 { 1821 struct i40e_pf *pf = filp->private_data; 1822 int bytes_not_copied; 1823 struct i40e_vsi *vsi; 1824 char *buf_tmp; 1825 int vsi_seid; 1826 int i, cnt; 1827 1828 /* don't allow partial writes */ 1829 if (*ppos != 0) 1830 return 0; 1831 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1832 return -ENOSPC; 1833 1834 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1835 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1836 buffer, count); 1837 if (bytes_not_copied) 1838 return -EFAULT; 1839 i40e_dbg_netdev_ops_buf[count] = '\0'; 1840 1841 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1842 if (buf_tmp) { 1843 *buf_tmp = '\0'; 1844 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1845 } 1846 1847 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1848 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1849 if (cnt != 1) { 1850 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1851 goto netdev_ops_write_done; 1852 } 1853 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1854 if (!vsi) { 1855 dev_info(&pf->pdev->dev, 1856 "tx_timeout: VSI %d not found\n", vsi_seid); 1857 } else if (!vsi->netdev) { 1858 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 1859 vsi_seid); 1860 } else if (test_bit(__I40E_DOWN, &vsi->state)) { 1861 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 1862 vsi_seid); 1863 } else if (rtnl_trylock()) { 1864 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1865 rtnl_unlock(); 1866 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1867 } else { 1868 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1869 } 1870 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1871 int mtu; 1872 1873 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1874 &vsi_seid, &mtu); 1875 if (cnt != 2) { 1876 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1877 goto netdev_ops_write_done; 1878 } 1879 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1880 if (!vsi) { 1881 dev_info(&pf->pdev->dev, 1882 "change_mtu: VSI %d not found\n", vsi_seid); 1883 } else if (!vsi->netdev) { 1884 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1885 vsi_seid); 1886 } else if (rtnl_trylock()) { 1887 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1888 mtu); 1889 rtnl_unlock(); 1890 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1891 } else { 1892 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1893 } 1894 1895 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1896 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1897 if (cnt != 1) { 1898 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1899 goto netdev_ops_write_done; 1900 } 1901 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1902 if (!vsi) { 1903 dev_info(&pf->pdev->dev, 1904 "set_rx_mode: VSI %d not found\n", vsi_seid); 1905 } else if (!vsi->netdev) { 1906 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1907 vsi_seid); 1908 } else if (rtnl_trylock()) { 1909 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1910 rtnl_unlock(); 1911 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1912 } else { 1913 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1914 } 1915 1916 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1917 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1918 if (cnt != 1) { 1919 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1920 goto netdev_ops_write_done; 1921 } 1922 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1923 if (!vsi) { 1924 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1925 vsi_seid); 1926 } else if (!vsi->netdev) { 1927 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1928 vsi_seid); 1929 } else { 1930 for (i = 0; i < vsi->num_q_vectors; i++) 1931 napi_schedule(&vsi->q_vectors[i]->napi); 1932 dev_info(&pf->pdev->dev, "napi called\n"); 1933 } 1934 } else { 1935 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1936 i40e_dbg_netdev_ops_buf); 1937 dev_info(&pf->pdev->dev, "available commands\n"); 1938 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 1939 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1940 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1941 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1942 } 1943 netdev_ops_write_done: 1944 return count; 1945 } 1946 1947 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1948 .owner = THIS_MODULE, 1949 .open = simple_open, 1950 .read = i40e_dbg_netdev_ops_read, 1951 .write = i40e_dbg_netdev_ops_write, 1952 }; 1953 1954 /** 1955 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1956 * @pf: the PF that is starting up 1957 **/ 1958 void i40e_dbg_pf_init(struct i40e_pf *pf) 1959 { 1960 struct dentry *pfile; 1961 const char *name = pci_name(pf->pdev); 1962 const struct device *dev = &pf->pdev->dev; 1963 1964 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1965 if (!pf->i40e_dbg_pf) 1966 return; 1967 1968 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1969 &i40e_dbg_command_fops); 1970 if (!pfile) 1971 goto create_failed; 1972 1973 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1974 &i40e_dbg_netdev_ops_fops); 1975 if (!pfile) 1976 goto create_failed; 1977 1978 return; 1979 1980 create_failed: 1981 dev_info(dev, "debugfs dir/file for %s failed\n", name); 1982 debugfs_remove_recursive(pf->i40e_dbg_pf); 1983 } 1984 1985 /** 1986 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1987 * @pf: the PF that is stopping 1988 **/ 1989 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1990 { 1991 debugfs_remove_recursive(pf->i40e_dbg_pf); 1992 pf->i40e_dbg_pf = NULL; 1993 } 1994 1995 /** 1996 * i40e_dbg_init - start up debugfs for the driver 1997 **/ 1998 void i40e_dbg_init(void) 1999 { 2000 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 2001 if (!i40e_dbg_root) 2002 pr_info("init of debugfs failed\n"); 2003 } 2004 2005 /** 2006 * i40e_dbg_exit - clean out the driver's debugfs entries 2007 **/ 2008 void i40e_dbg_exit(void) 2009 { 2010 debugfs_remove_recursive(i40e_dbg_root); 2011 i40e_dbg_root = NULL; 2012 } 2013 2014 #endif /* CONFIG_DEBUG_FS */ 2015