1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2016 Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 * The full GNU General Public License is included in this distribution in 19 * the file called "COPYING". 20 * 21 * Contact Information: 22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 ******************************************************************************/ 26 27 #ifdef CONFIG_DEBUG_FS 28 29 #include <linux/fs.h> 30 #include <linux/debugfs.h> 31 32 #include "i40e.h" 33 34 static struct dentry *i40e_dbg_root; 35 36 /** 37 * i40e_dbg_find_vsi - searches for the vsi with the given seid 38 * @pf - the PF structure to search for the vsi 39 * @seid - seid of the vsi it is searching for 40 **/ 41 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) 42 { 43 int i; 44 45 if (seid < 0) 46 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 47 else 48 for (i = 0; i < pf->num_alloc_vsi; i++) 49 if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) 50 return pf->vsi[i]; 51 52 return NULL; 53 } 54 55 /** 56 * i40e_dbg_find_veb - searches for the veb with the given seid 57 * @pf - the PF structure to search for the veb 58 * @seid - seid of the veb it is searching for 59 **/ 60 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) 61 { 62 int i; 63 64 for (i = 0; i < I40E_MAX_VEB; i++) 65 if (pf->veb[i] && pf->veb[i]->seid == seid) 66 return pf->veb[i]; 67 return NULL; 68 } 69 70 /************************************************************** 71 * command 72 * The command entry in debugfs is for giving the driver commands 73 * to be executed - these may be for changing the internal switch 74 * setup, adding or removing filters, or other things. Many of 75 * these will be useful for some forms of unit testing. 76 **************************************************************/ 77 static char i40e_dbg_command_buf[256] = ""; 78 79 /** 80 * i40e_dbg_command_read - read for command datum 81 * @filp: the opened file 82 * @buffer: where to write the data for the user to read 83 * @count: the size of the user's buffer 84 * @ppos: file position offset 85 **/ 86 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 87 size_t count, loff_t *ppos) 88 { 89 struct i40e_pf *pf = filp->private_data; 90 int bytes_not_copied; 91 int buf_size = 256; 92 char *buf; 93 int len; 94 95 /* don't allow partial reads */ 96 if (*ppos != 0) 97 return 0; 98 if (count < buf_size) 99 return -ENOSPC; 100 101 buf = kzalloc(buf_size, GFP_KERNEL); 102 if (!buf) 103 return -ENOSPC; 104 105 len = snprintf(buf, buf_size, "%s: %s\n", 106 pf->vsi[pf->lan_vsi]->netdev->name, 107 i40e_dbg_command_buf); 108 109 bytes_not_copied = copy_to_user(buffer, buf, len); 110 kfree(buf); 111 112 if (bytes_not_copied) 113 return -EFAULT; 114 115 *ppos = len; 116 return len; 117 } 118 119 static char *i40e_filter_state_string[] = { 120 "INVALID", 121 "NEW", 122 "ACTIVE", 123 "FAILED", 124 "REMOVE", 125 }; 126 127 /** 128 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 129 * @pf: the i40e_pf created in command write 130 * @seid: the seid the user put in 131 **/ 132 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 133 { 134 struct rtnl_link_stats64 *nstat; 135 struct i40e_mac_filter *f; 136 struct i40e_vsi *vsi; 137 int i, bkt; 138 139 vsi = i40e_dbg_find_vsi(pf, seid); 140 if (!vsi) { 141 dev_info(&pf->pdev->dev, 142 "dump %d: seid not found\n", seid); 143 return; 144 } 145 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 146 if (vsi->netdev) { 147 struct net_device *nd = vsi->netdev; 148 149 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 150 nd->name, nd->state, nd->flags); 151 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 152 (unsigned long int)nd->features); 153 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 154 (unsigned long int)nd->hw_features); 155 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 156 (unsigned long int)nd->vlan_features); 157 } 158 dev_info(&pf->pdev->dev, 159 " vlgrp: & = %p\n", vsi->active_vlans); 160 dev_info(&pf->pdev->dev, 161 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 162 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); 163 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) 164 dev_info(&pf->pdev->dev, 165 " state[%d] = %08lx\n", 166 i, vsi->state[i]); 167 if (vsi == pf->vsi[pf->lan_vsi]) 168 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n", 169 pf->hw.mac.addr, 170 pf->hw.mac.san_addr, 171 pf->hw.mac.port_addr); 172 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { 173 dev_info(&pf->pdev->dev, 174 " mac_filter_hash: %pM vid=%d, state %s\n", 175 f->macaddr, f->vlan, 176 i40e_filter_state_string[f->state]); 177 } 178 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n", 179 vsi->active_filters, vsi->promisc_threshold, 180 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ? 181 "ON" : "OFF")); 182 nstat = i40e_get_vsi_stats_struct(vsi); 183 dev_info(&pf->pdev->dev, 184 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 185 (unsigned long int)nstat->rx_packets, 186 (unsigned long int)nstat->rx_bytes, 187 (unsigned long int)nstat->rx_errors, 188 (unsigned long int)nstat->rx_dropped); 189 dev_info(&pf->pdev->dev, 190 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 191 (unsigned long int)nstat->tx_packets, 192 (unsigned long int)nstat->tx_bytes, 193 (unsigned long int)nstat->tx_errors, 194 (unsigned long int)nstat->tx_dropped); 195 dev_info(&pf->pdev->dev, 196 " net_stats: multicast = %lu, collisions = %lu\n", 197 (unsigned long int)nstat->multicast, 198 (unsigned long int)nstat->collisions); 199 dev_info(&pf->pdev->dev, 200 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 201 (unsigned long int)nstat->rx_length_errors, 202 (unsigned long int)nstat->rx_over_errors, 203 (unsigned long int)nstat->rx_crc_errors); 204 dev_info(&pf->pdev->dev, 205 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 206 (unsigned long int)nstat->rx_frame_errors, 207 (unsigned long int)nstat->rx_fifo_errors, 208 (unsigned long int)nstat->rx_missed_errors); 209 dev_info(&pf->pdev->dev, 210 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 211 (unsigned long int)nstat->tx_aborted_errors, 212 (unsigned long int)nstat->tx_carrier_errors, 213 (unsigned long int)nstat->tx_fifo_errors); 214 dev_info(&pf->pdev->dev, 215 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 216 (unsigned long int)nstat->tx_heartbeat_errors, 217 (unsigned long int)nstat->tx_window_errors); 218 dev_info(&pf->pdev->dev, 219 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 220 (unsigned long int)nstat->rx_compressed, 221 (unsigned long int)nstat->tx_compressed); 222 dev_info(&pf->pdev->dev, 223 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 224 (unsigned long int)vsi->net_stats_offsets.rx_packets, 225 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 226 (unsigned long int)vsi->net_stats_offsets.rx_errors, 227 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 228 dev_info(&pf->pdev->dev, 229 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 230 (unsigned long int)vsi->net_stats_offsets.tx_packets, 231 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 232 (unsigned long int)vsi->net_stats_offsets.tx_errors, 233 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 234 dev_info(&pf->pdev->dev, 235 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 236 (unsigned long int)vsi->net_stats_offsets.multicast, 237 (unsigned long int)vsi->net_stats_offsets.collisions); 238 dev_info(&pf->pdev->dev, 239 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 240 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 241 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 242 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 243 dev_info(&pf->pdev->dev, 244 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 245 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 246 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 247 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 248 dev_info(&pf->pdev->dev, 249 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 250 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 251 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 252 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 253 dev_info(&pf->pdev->dev, 254 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 255 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 256 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 257 dev_info(&pf->pdev->dev, 258 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 259 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 260 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 261 dev_info(&pf->pdev->dev, 262 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 263 vsi->tx_restart, vsi->tx_busy, 264 vsi->rx_buf_failed, vsi->rx_page_failed); 265 rcu_read_lock(); 266 for (i = 0; i < vsi->num_queue_pairs; i++) { 267 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); 268 269 if (!rx_ring) 270 continue; 271 272 dev_info(&pf->pdev->dev, 273 " rx_rings[%i]: desc = %p\n", 274 i, rx_ring->desc); 275 dev_info(&pf->pdev->dev, 276 " rx_rings[%i]: dev = %p, netdev = %p, rx_bi = %p\n", 277 i, rx_ring->dev, 278 rx_ring->netdev, 279 rx_ring->rx_bi); 280 dev_info(&pf->pdev->dev, 281 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 282 i, *rx_ring->state, 283 rx_ring->queue_index, 284 rx_ring->reg_idx); 285 dev_info(&pf->pdev->dev, 286 " rx_rings[%i]: rx_buf_len = %d\n", 287 i, rx_ring->rx_buf_len); 288 dev_info(&pf->pdev->dev, 289 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 290 i, 291 rx_ring->next_to_use, 292 rx_ring->next_to_clean, 293 rx_ring->ring_active); 294 dev_info(&pf->pdev->dev, 295 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 296 i, rx_ring->stats.packets, 297 rx_ring->stats.bytes, 298 rx_ring->rx_stats.non_eop_descs); 299 dev_info(&pf->pdev->dev, 300 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 301 i, 302 rx_ring->rx_stats.alloc_page_failed, 303 rx_ring->rx_stats.alloc_buff_failed); 304 dev_info(&pf->pdev->dev, 305 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n", 306 i, 307 rx_ring->rx_stats.realloc_count, 308 rx_ring->rx_stats.page_reuse_count); 309 dev_info(&pf->pdev->dev, 310 " rx_rings[%i]: size = %i, dma = 0x%08lx\n", 311 i, rx_ring->size, 312 (unsigned long int)rx_ring->dma); 313 dev_info(&pf->pdev->dev, 314 " rx_rings[%i]: vsi = %p, q_vector = %p\n", 315 i, rx_ring->vsi, 316 rx_ring->q_vector); 317 dev_info(&pf->pdev->dev, 318 " rx_rings[%i]: rx_itr_setting = %d (%s)\n", 319 i, rx_ring->rx_itr_setting, 320 ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed"); 321 } 322 for (i = 0; i < vsi->num_queue_pairs; i++) { 323 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); 324 325 if (!tx_ring) 326 continue; 327 328 dev_info(&pf->pdev->dev, 329 " tx_rings[%i]: desc = %p\n", 330 i, tx_ring->desc); 331 dev_info(&pf->pdev->dev, 332 " tx_rings[%i]: dev = %p, netdev = %p, tx_bi = %p\n", 333 i, tx_ring->dev, 334 tx_ring->netdev, 335 tx_ring->tx_bi); 336 dev_info(&pf->pdev->dev, 337 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 338 i, *tx_ring->state, 339 tx_ring->queue_index, 340 tx_ring->reg_idx); 341 dev_info(&pf->pdev->dev, 342 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 343 i, 344 tx_ring->next_to_use, 345 tx_ring->next_to_clean, 346 tx_ring->ring_active); 347 dev_info(&pf->pdev->dev, 348 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 349 i, tx_ring->stats.packets, 350 tx_ring->stats.bytes, 351 tx_ring->tx_stats.restart_queue); 352 dev_info(&pf->pdev->dev, 353 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 354 i, 355 tx_ring->tx_stats.tx_busy, 356 tx_ring->tx_stats.tx_done_old); 357 dev_info(&pf->pdev->dev, 358 " tx_rings[%i]: size = %i, dma = 0x%08lx\n", 359 i, tx_ring->size, 360 (unsigned long int)tx_ring->dma); 361 dev_info(&pf->pdev->dev, 362 " tx_rings[%i]: vsi = %p, q_vector = %p\n", 363 i, tx_ring->vsi, 364 tx_ring->q_vector); 365 dev_info(&pf->pdev->dev, 366 " tx_rings[%i]: DCB tc = %d\n", 367 i, tx_ring->dcb_tc); 368 dev_info(&pf->pdev->dev, 369 " tx_rings[%i]: tx_itr_setting = %d (%s)\n", 370 i, tx_ring->tx_itr_setting, 371 ITR_IS_DYNAMIC(tx_ring->tx_itr_setting) ? "dynamic" : "fixed"); 372 } 373 rcu_read_unlock(); 374 dev_info(&pf->pdev->dev, 375 " work_limit = %d\n", 376 vsi->work_limit); 377 dev_info(&pf->pdev->dev, 378 " max_frame = %d, rx_buf_len = %d dtype = %d\n", 379 vsi->max_frame, vsi->rx_buf_len, 0); 380 dev_info(&pf->pdev->dev, 381 " num_q_vectors = %i, base_vector = %i\n", 382 vsi->num_q_vectors, vsi->base_vector); 383 dev_info(&pf->pdev->dev, 384 " seid = %d, id = %d, uplink_seid = %d\n", 385 vsi->seid, vsi->id, vsi->uplink_seid); 386 dev_info(&pf->pdev->dev, 387 " base_queue = %d, num_queue_pairs = %d, num_desc = %d\n", 388 vsi->base_queue, vsi->num_queue_pairs, vsi->num_desc); 389 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 390 if (vsi->type == I40E_VSI_SRIOV) 391 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id); 392 dev_info(&pf->pdev->dev, 393 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 394 vsi->info.valid_sections, vsi->info.switch_id); 395 dev_info(&pf->pdev->dev, 396 " info: sw_reserved[] = 0x%02x 0x%02x\n", 397 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 398 dev_info(&pf->pdev->dev, 399 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 400 vsi->info.sec_flags, vsi->info.sec_reserved); 401 dev_info(&pf->pdev->dev, 402 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 403 vsi->info.pvid, vsi->info.fcoe_pvid, 404 vsi->info.port_vlan_flags); 405 dev_info(&pf->pdev->dev, 406 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 407 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 408 vsi->info.pvlan_reserved[2]); 409 dev_info(&pf->pdev->dev, 410 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 411 vsi->info.ingress_table, vsi->info.egress_table); 412 dev_info(&pf->pdev->dev, 413 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 414 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 415 vsi->info.cas_pv_reserved); 416 dev_info(&pf->pdev->dev, 417 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 418 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 419 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 420 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 421 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 422 dev_info(&pf->pdev->dev, 423 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 424 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 425 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 426 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 427 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 428 dev_info(&pf->pdev->dev, 429 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 430 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 431 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 432 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 433 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 434 dev_info(&pf->pdev->dev, 435 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 436 vsi->info.queueing_opt_flags, 437 vsi->info.queueing_opt_reserved[0], 438 vsi->info.queueing_opt_reserved[1], 439 vsi->info.queueing_opt_reserved[2]); 440 dev_info(&pf->pdev->dev, 441 " info: up_enable_bits = 0x%02x\n", 442 vsi->info.up_enable_bits); 443 dev_info(&pf->pdev->dev, 444 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 445 vsi->info.sched_reserved, vsi->info.outer_up_table); 446 dev_info(&pf->pdev->dev, 447 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 448 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 449 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 450 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 451 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 452 dev_info(&pf->pdev->dev, 453 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 454 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 455 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 456 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 457 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 458 dev_info(&pf->pdev->dev, 459 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 460 vsi->info.stat_counter_idx, vsi->info.sched_id); 461 dev_info(&pf->pdev->dev, 462 " 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", 463 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 464 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 465 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 466 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 467 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 468 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 469 if (vsi->back) 470 dev_info(&pf->pdev->dev, " PF = %p\n", vsi->back); 471 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 472 dev_info(&pf->pdev->dev, 473 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 474 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 475 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 476 dev_info(&pf->pdev->dev, 477 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 478 i, vsi->tc_config.tc_info[i].qoffset, 479 vsi->tc_config.tc_info[i].qcount, 480 vsi->tc_config.tc_info[i].netdev_tc); 481 } 482 dev_info(&pf->pdev->dev, 483 " bw: bw_limit = %d, bw_max_quanta = %d\n", 484 vsi->bw_limit, vsi->bw_max_quanta); 485 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 486 dev_info(&pf->pdev->dev, 487 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 488 i, vsi->bw_ets_share_credits[i], 489 vsi->bw_ets_limit_credits[i], 490 vsi->bw_ets_max_quanta[i]); 491 } 492 } 493 494 /** 495 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 496 * @pf: the i40e_pf created in command write 497 **/ 498 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 499 { 500 struct i40e_adminq_ring *ring; 501 struct i40e_hw *hw = &pf->hw; 502 char hdr[32]; 503 int i; 504 505 snprintf(hdr, sizeof(hdr), "%s %s: ", 506 dev_driver_string(&pf->pdev->dev), 507 dev_name(&pf->pdev->dev)); 508 509 /* first the send (command) ring, then the receive (event) ring */ 510 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 511 ring = &(hw->aq.asq); 512 for (i = 0; i < ring->count; i++) { 513 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 514 515 dev_info(&pf->pdev->dev, 516 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 517 i, d->flags, d->opcode, d->datalen, d->retval, 518 d->cookie_high, d->cookie_low); 519 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 520 16, 1, d->params.raw, 16, 0); 521 } 522 523 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 524 ring = &(hw->aq.arq); 525 for (i = 0; i < ring->count; i++) { 526 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 527 528 dev_info(&pf->pdev->dev, 529 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 530 i, d->flags, d->opcode, d->datalen, d->retval, 531 d->cookie_high, d->cookie_low); 532 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 533 16, 1, d->params.raw, 16, 0); 534 } 535 } 536 537 /** 538 * i40e_dbg_dump_desc - handles dump desc write into command datum 539 * @cnt: number of arguments that the user supplied 540 * @vsi_seid: vsi id entered by user 541 * @ring_id: ring id entered by user 542 * @desc_n: descriptor number entered by user 543 * @pf: the i40e_pf created in command write 544 * @is_rx_ring: true if rx, false if tx 545 **/ 546 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 547 struct i40e_pf *pf, bool is_rx_ring) 548 { 549 struct i40e_tx_desc *txd; 550 union i40e_rx_desc *rxd; 551 struct i40e_ring *ring; 552 struct i40e_vsi *vsi; 553 int i; 554 555 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 556 if (!vsi) { 557 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 558 return; 559 } 560 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 561 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 562 return; 563 } 564 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 565 dev_info(&pf->pdev->dev, 566 "descriptor rings have not been allocated for vsi %d\n", 567 vsi_seid); 568 return; 569 } 570 571 ring = kmemdup(is_rx_ring 572 ? vsi->rx_rings[ring_id] : vsi->tx_rings[ring_id], 573 sizeof(*ring), GFP_KERNEL); 574 if (!ring) 575 return; 576 577 if (cnt == 2) { 578 dev_info(&pf->pdev->dev, "vsi = %02i %s ring = %02i\n", 579 vsi_seid, is_rx_ring ? "rx" : "tx", ring_id); 580 for (i = 0; i < ring->count; i++) { 581 if (!is_rx_ring) { 582 txd = I40E_TX_DESC(ring, i); 583 dev_info(&pf->pdev->dev, 584 " d[%03x] = 0x%016llx 0x%016llx\n", 585 i, txd->buffer_addr, 586 txd->cmd_type_offset_bsz); 587 } else { 588 rxd = I40E_RX_DESC(ring, i); 589 dev_info(&pf->pdev->dev, 590 " d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 591 i, rxd->read.pkt_addr, 592 rxd->read.hdr_addr, 593 rxd->read.rsvd1, rxd->read.rsvd2); 594 } 595 } 596 } else if (cnt == 3) { 597 if (desc_n >= ring->count || desc_n < 0) { 598 dev_info(&pf->pdev->dev, 599 "descriptor %d not found\n", desc_n); 600 goto out; 601 } 602 if (!is_rx_ring) { 603 txd = I40E_TX_DESC(ring, desc_n); 604 dev_info(&pf->pdev->dev, 605 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 606 vsi_seid, ring_id, desc_n, 607 txd->buffer_addr, txd->cmd_type_offset_bsz); 608 } else { 609 rxd = I40E_RX_DESC(ring, desc_n); 610 dev_info(&pf->pdev->dev, 611 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n", 612 vsi_seid, ring_id, desc_n, 613 rxd->read.pkt_addr, rxd->read.hdr_addr, 614 rxd->read.rsvd1, rxd->read.rsvd2); 615 } 616 } else { 617 dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n"); 618 } 619 620 out: 621 kfree(ring); 622 } 623 624 /** 625 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 626 * @pf: the i40e_pf created in command write 627 **/ 628 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 629 { 630 int i; 631 632 for (i = 0; i < pf->num_alloc_vsi; i++) 633 if (pf->vsi[i]) 634 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 635 i, pf->vsi[i]->seid); 636 } 637 638 /** 639 * i40e_dbg_dump_stats - handles dump stats write into command datum 640 * @pf: the i40e_pf created in command write 641 * @estats: the eth stats structure to be dumped 642 **/ 643 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 644 struct i40e_eth_stats *estats) 645 { 646 dev_info(&pf->pdev->dev, " ethstats:\n"); 647 dev_info(&pf->pdev->dev, 648 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 649 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 650 dev_info(&pf->pdev->dev, 651 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 652 estats->rx_broadcast, estats->rx_discards); 653 dev_info(&pf->pdev->dev, 654 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 655 estats->rx_unknown_protocol, estats->tx_bytes); 656 dev_info(&pf->pdev->dev, 657 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 658 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 659 dev_info(&pf->pdev->dev, 660 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 661 estats->tx_discards, estats->tx_errors); 662 } 663 664 /** 665 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 666 * @pf: the i40e_pf created in command write 667 * @seid: the seid the user put in 668 **/ 669 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 670 { 671 struct i40e_veb *veb; 672 673 veb = i40e_dbg_find_veb(pf, seid); 674 if (!veb) { 675 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 676 return; 677 } 678 dev_info(&pf->pdev->dev, 679 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 680 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 681 veb->uplink_seid, 682 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 683 i40e_dbg_dump_eth_stats(pf, &veb->stats); 684 } 685 686 /** 687 * i40e_dbg_dump_veb_all - dumps all known veb's stats 688 * @pf: the i40e_pf created in command write 689 **/ 690 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 691 { 692 struct i40e_veb *veb; 693 int i; 694 695 for (i = 0; i < I40E_MAX_VEB; i++) { 696 veb = pf->veb[i]; 697 if (veb) 698 i40e_dbg_dump_veb_seid(pf, veb->seid); 699 } 700 } 701 702 /** 703 * i40e_dbg_dump_vf - dump VF info 704 * @pf: the i40e_pf created in command write 705 * @vf_id: the vf_id from the user 706 **/ 707 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 708 { 709 struct i40e_vf *vf; 710 struct i40e_vsi *vsi; 711 712 if (!pf->num_alloc_vfs) { 713 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 714 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 715 vf = &pf->vf[vf_id]; 716 vsi = pf->vsi[vf->lan_vsi_idx]; 717 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 718 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 719 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n", 720 vf->num_mdd_events, 721 vf->num_invalid_msgs, 722 vf->num_valid_msgs); 723 } else { 724 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 725 } 726 } 727 728 /** 729 * i40e_dbg_dump_vf_all - dump VF info for all VFs 730 * @pf: the i40e_pf created in command write 731 **/ 732 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 733 { 734 int i; 735 736 if (!pf->num_alloc_vfs) 737 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 738 else 739 for (i = 0; i < pf->num_alloc_vfs; i++) 740 i40e_dbg_dump_vf(pf, i); 741 } 742 743 #define I40E_MAX_DEBUG_OUT_BUFFER (4096*4) 744 /** 745 * i40e_dbg_command_write - write into command datum 746 * @filp: the opened file 747 * @buffer: where to find the user's data 748 * @count: the length of the user's data 749 * @ppos: file position offset 750 **/ 751 static ssize_t i40e_dbg_command_write(struct file *filp, 752 const char __user *buffer, 753 size_t count, loff_t *ppos) 754 { 755 struct i40e_pf *pf = filp->private_data; 756 char *cmd_buf, *cmd_buf_tmp; 757 int bytes_not_copied; 758 struct i40e_vsi *vsi; 759 int vsi_seid; 760 int veb_seid; 761 int vf_id; 762 int cnt; 763 764 /* don't allow partial writes */ 765 if (*ppos != 0) 766 return 0; 767 768 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 769 if (!cmd_buf) 770 return count; 771 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 772 if (bytes_not_copied) { 773 kfree(cmd_buf); 774 return -EFAULT; 775 } 776 cmd_buf[count] = '\0'; 777 778 cmd_buf_tmp = strchr(cmd_buf, '\n'); 779 if (cmd_buf_tmp) { 780 *cmd_buf_tmp = '\0'; 781 count = cmd_buf_tmp - cmd_buf + 1; 782 } 783 784 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 785 vsi_seid = -1; 786 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 787 if (cnt == 0) { 788 /* default to PF VSI */ 789 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 790 } else if (vsi_seid < 0) { 791 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 792 vsi_seid); 793 goto command_write_done; 794 } 795 796 /* By default we are in VEPA mode, if this is the first VF/VMDq 797 * VSI to be added switch to VEB mode. 798 */ 799 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 800 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 801 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 802 } 803 804 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 805 if (vsi) 806 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 807 vsi->seid, vsi->uplink_seid); 808 else 809 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 810 811 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 812 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 813 if (cnt != 1) { 814 dev_info(&pf->pdev->dev, 815 "del vsi: bad command string, cnt=%d\n", 816 cnt); 817 goto command_write_done; 818 } 819 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 820 if (!vsi) { 821 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 822 vsi_seid); 823 goto command_write_done; 824 } 825 826 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 827 i40e_vsi_release(vsi); 828 829 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 830 struct i40e_veb *veb; 831 int uplink_seid, i; 832 833 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 834 if (cnt != 2) { 835 dev_info(&pf->pdev->dev, 836 "add relay: bad command string, cnt=%d\n", 837 cnt); 838 goto command_write_done; 839 } else if (uplink_seid < 0) { 840 dev_info(&pf->pdev->dev, 841 "add relay %d: bad uplink seid\n", 842 uplink_seid); 843 goto command_write_done; 844 } 845 846 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 847 if (!vsi) { 848 dev_info(&pf->pdev->dev, 849 "add relay: VSI %d not found\n", vsi_seid); 850 goto command_write_done; 851 } 852 853 for (i = 0; i < I40E_MAX_VEB; i++) 854 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 855 break; 856 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 857 uplink_seid != pf->mac_seid) { 858 dev_info(&pf->pdev->dev, 859 "add relay: relay uplink %d not found\n", 860 uplink_seid); 861 goto command_write_done; 862 } 863 864 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 865 vsi->tc_config.enabled_tc); 866 if (veb) 867 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 868 else 869 dev_info(&pf->pdev->dev, "add relay failed\n"); 870 871 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 872 int i; 873 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 874 if (cnt != 1) { 875 dev_info(&pf->pdev->dev, 876 "del relay: bad command string, cnt=%d\n", 877 cnt); 878 goto command_write_done; 879 } else if (veb_seid < 0) { 880 dev_info(&pf->pdev->dev, 881 "del relay %d: bad relay seid\n", veb_seid); 882 goto command_write_done; 883 } 884 885 /* find the veb */ 886 for (i = 0; i < I40E_MAX_VEB; i++) 887 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 888 break; 889 if (i >= I40E_MAX_VEB) { 890 dev_info(&pf->pdev->dev, 891 "del relay: relay %d not found\n", veb_seid); 892 goto command_write_done; 893 } 894 895 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 896 i40e_veb_release(pf->veb[i]); 897 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 898 i40e_status ret; 899 u16 vid; 900 unsigned int v; 901 902 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 903 if (cnt != 2) { 904 dev_info(&pf->pdev->dev, 905 "add pvid: bad command string, cnt=%d\n", cnt); 906 goto command_write_done; 907 } 908 909 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 910 if (!vsi) { 911 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 912 vsi_seid); 913 goto command_write_done; 914 } 915 916 vid = v; 917 ret = i40e_vsi_add_pvid(vsi, vid); 918 if (!ret) 919 dev_info(&pf->pdev->dev, 920 "add pvid: %d added to VSI %d\n", 921 vid, vsi_seid); 922 else 923 dev_info(&pf->pdev->dev, 924 "add pvid: %d to VSI %d failed, ret=%d\n", 925 vid, vsi_seid, ret); 926 927 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 928 929 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 930 if (cnt != 1) { 931 dev_info(&pf->pdev->dev, 932 "del pvid: bad command string, cnt=%d\n", 933 cnt); 934 goto command_write_done; 935 } 936 937 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 938 if (!vsi) { 939 dev_info(&pf->pdev->dev, 940 "del pvid: VSI %d not found\n", vsi_seid); 941 goto command_write_done; 942 } 943 944 i40e_vsi_remove_pvid(vsi); 945 dev_info(&pf->pdev->dev, 946 "del pvid: removed from VSI %d\n", vsi_seid); 947 948 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 949 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 950 i40e_fetch_switch_configuration(pf, true); 951 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 952 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 953 if (cnt > 0) 954 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 955 else 956 i40e_dbg_dump_vsi_no_seid(pf); 957 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 958 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 959 if (cnt > 0) 960 i40e_dbg_dump_veb_seid(pf, vsi_seid); 961 else 962 i40e_dbg_dump_veb_all(pf); 963 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 964 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 965 if (cnt > 0) 966 i40e_dbg_dump_vf(pf, vf_id); 967 else 968 i40e_dbg_dump_vf_all(pf); 969 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 970 int ring_id, desc_n; 971 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 972 cnt = sscanf(&cmd_buf[12], "%i %i %i", 973 &vsi_seid, &ring_id, &desc_n); 974 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 975 desc_n, pf, true); 976 } else if (strncmp(&cmd_buf[10], "tx", 2) 977 == 0) { 978 cnt = sscanf(&cmd_buf[12], "%i %i %i", 979 &vsi_seid, &ring_id, &desc_n); 980 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 981 desc_n, pf, false); 982 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 983 i40e_dbg_dump_aq_desc(pf); 984 } else { 985 dev_info(&pf->pdev->dev, 986 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 987 dev_info(&pf->pdev->dev, 988 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 989 dev_info(&pf->pdev->dev, "dump desc aq\n"); 990 } 991 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 992 dev_info(&pf->pdev->dev, 993 "core reset count: %d\n", pf->corer_count); 994 dev_info(&pf->pdev->dev, 995 "global reset count: %d\n", pf->globr_count); 996 dev_info(&pf->pdev->dev, 997 "emp reset count: %d\n", pf->empr_count); 998 dev_info(&pf->pdev->dev, 999 "pf reset count: %d\n", pf->pfr_count); 1000 dev_info(&pf->pdev->dev, 1001 "pf tx sluggish count: %d\n", 1002 pf->tx_sluggish_count); 1003 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1004 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1005 struct i40e_dcbx_config *cfg = 1006 &pf->hw.local_dcbx_config; 1007 struct i40e_dcbx_config *r_cfg = 1008 &pf->hw.remote_dcbx_config; 1009 int i, ret; 1010 u16 switch_id; 1011 1012 bw_data = kzalloc(sizeof( 1013 struct i40e_aqc_query_port_ets_config_resp), 1014 GFP_KERNEL); 1015 if (!bw_data) { 1016 ret = -ENOMEM; 1017 goto command_write_done; 1018 } 1019 1020 vsi = pf->vsi[pf->lan_vsi]; 1021 switch_id = 1022 le16_to_cpu(vsi->info.switch_id) & 1023 I40E_AQ_VSI_SW_ID_MASK; 1024 1025 ret = i40e_aq_query_port_ets_config(&pf->hw, 1026 switch_id, 1027 bw_data, NULL); 1028 if (ret) { 1029 dev_info(&pf->pdev->dev, 1030 "Query Port ETS Config AQ command failed =0x%x\n", 1031 pf->hw.aq.asq_last_status); 1032 kfree(bw_data); 1033 bw_data = NULL; 1034 goto command_write_done; 1035 } 1036 dev_info(&pf->pdev->dev, 1037 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1038 bw_data->tc_valid_bits, 1039 bw_data->tc_strict_priority_bits, 1040 le16_to_cpu(bw_data->tc_bw_max[0]), 1041 le16_to_cpu(bw_data->tc_bw_max[1])); 1042 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1043 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1044 bw_data->tc_bw_share_credits[i], 1045 le16_to_cpu(bw_data->tc_bw_limits[i])); 1046 } 1047 1048 kfree(bw_data); 1049 bw_data = NULL; 1050 1051 dev_info(&pf->pdev->dev, 1052 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1053 dev_info(&pf->pdev->dev, 1054 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1055 cfg->etscfg.willing, cfg->etscfg.cbs, 1056 cfg->etscfg.maxtcs); 1057 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1058 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1059 i, cfg->etscfg.prioritytable[i], 1060 cfg->etscfg.tcbwtable[i], 1061 cfg->etscfg.tsatable[i]); 1062 } 1063 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1064 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1065 i, cfg->etsrec.prioritytable[i], 1066 cfg->etsrec.tcbwtable[i], 1067 cfg->etsrec.tsatable[i]); 1068 } 1069 dev_info(&pf->pdev->dev, 1070 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1071 cfg->pfc.willing, cfg->pfc.mbc, 1072 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1073 dev_info(&pf->pdev->dev, 1074 "port app_table: num_apps=%d\n", cfg->numapps); 1075 for (i = 0; i < cfg->numapps; i++) { 1076 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1077 i, cfg->app[i].priority, 1078 cfg->app[i].selector, 1079 cfg->app[i].protocolid); 1080 } 1081 /* Peer TLV DCBX data */ 1082 dev_info(&pf->pdev->dev, 1083 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1084 r_cfg->etscfg.willing, 1085 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1086 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1087 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1088 i, r_cfg->etscfg.prioritytable[i], 1089 r_cfg->etscfg.tcbwtable[i], 1090 r_cfg->etscfg.tsatable[i]); 1091 } 1092 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1093 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1094 i, r_cfg->etsrec.prioritytable[i], 1095 r_cfg->etsrec.tcbwtable[i], 1096 r_cfg->etsrec.tsatable[i]); 1097 } 1098 dev_info(&pf->pdev->dev, 1099 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1100 r_cfg->pfc.willing, 1101 r_cfg->pfc.mbc, 1102 r_cfg->pfc.pfccap, 1103 r_cfg->pfc.pfcenable); 1104 dev_info(&pf->pdev->dev, 1105 "remote port app_table: num_apps=%d\n", 1106 r_cfg->numapps); 1107 for (i = 0; i < r_cfg->numapps; i++) { 1108 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1109 i, r_cfg->app[i].priority, 1110 r_cfg->app[i].selector, 1111 r_cfg->app[i].protocolid); 1112 } 1113 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1114 int cluster_id, table_id; 1115 int index, ret; 1116 u16 buff_len = 4096; 1117 u32 next_index; 1118 u8 next_table; 1119 u8 *buff; 1120 u16 rlen; 1121 1122 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1123 &cluster_id, &table_id, &index); 1124 if (cnt != 3) { 1125 dev_info(&pf->pdev->dev, 1126 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1127 goto command_write_done; 1128 } 1129 1130 dev_info(&pf->pdev->dev, 1131 "AQ debug dump fwdata params %x %x %x %x\n", 1132 cluster_id, table_id, index, buff_len); 1133 buff = kzalloc(buff_len, GFP_KERNEL); 1134 if (!buff) 1135 goto command_write_done; 1136 1137 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1138 index, buff_len, buff, &rlen, 1139 &next_table, &next_index, 1140 NULL); 1141 if (ret) { 1142 dev_info(&pf->pdev->dev, 1143 "debug dump fwdata AQ Failed %d 0x%x\n", 1144 ret, pf->hw.aq.asq_last_status); 1145 kfree(buff); 1146 buff = NULL; 1147 goto command_write_done; 1148 } 1149 dev_info(&pf->pdev->dev, 1150 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1151 rlen, next_table, next_index); 1152 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1153 DUMP_PREFIX_OFFSET, 16, 1, 1154 buff, rlen, true); 1155 kfree(buff); 1156 buff = NULL; 1157 } else { 1158 dev_info(&pf->pdev->dev, 1159 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1160 dev_info(&pf->pdev->dev, "dump switch\n"); 1161 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1162 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1163 dev_info(&pf->pdev->dev, "dump port\n"); 1164 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1165 dev_info(&pf->pdev->dev, 1166 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1167 } 1168 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1169 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1170 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1171 1172 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1173 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1174 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1175 1176 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1177 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1178 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1179 1180 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1181 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1182 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1183 1184 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1185 u32 address; 1186 u32 value; 1187 1188 cnt = sscanf(&cmd_buf[4], "%i", &address); 1189 if (cnt != 1) { 1190 dev_info(&pf->pdev->dev, "read <reg>\n"); 1191 goto command_write_done; 1192 } 1193 1194 /* check the range on address */ 1195 if (address > (pf->ioremap_len - sizeof(u32))) { 1196 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1197 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1198 goto command_write_done; 1199 } 1200 1201 value = rd32(&pf->hw, address); 1202 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1203 address, value); 1204 1205 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1206 u32 address, value; 1207 1208 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1209 if (cnt != 2) { 1210 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1211 goto command_write_done; 1212 } 1213 1214 /* check the range on address */ 1215 if (address > (pf->ioremap_len - sizeof(u32))) { 1216 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1217 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1218 goto command_write_done; 1219 } 1220 wr32(&pf->hw, address, value); 1221 value = rd32(&pf->hw, address); 1222 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1223 address, value); 1224 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1225 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1226 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1227 if (cnt == 0) { 1228 int i; 1229 1230 for (i = 0; i < pf->num_alloc_vsi; i++) 1231 i40e_vsi_reset_stats(pf->vsi[i]); 1232 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1233 } else if (cnt == 1) { 1234 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1235 if (!vsi) { 1236 dev_info(&pf->pdev->dev, 1237 "clear_stats vsi: bad vsi %d\n", 1238 vsi_seid); 1239 goto command_write_done; 1240 } 1241 i40e_vsi_reset_stats(vsi); 1242 dev_info(&pf->pdev->dev, 1243 "vsi clear stats called for vsi %d\n", 1244 vsi_seid); 1245 } else { 1246 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1247 } 1248 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1249 if (pf->hw.partition_id == 1) { 1250 i40e_pf_reset_stats(pf); 1251 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1252 } else { 1253 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1254 } 1255 } else { 1256 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1257 } 1258 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1259 struct i40e_aq_desc *desc; 1260 i40e_status ret; 1261 1262 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1263 if (!desc) 1264 goto command_write_done; 1265 cnt = sscanf(&cmd_buf[11], 1266 "%hi %hi %hi %hi %i %i %i %i %i %i", 1267 &desc->flags, 1268 &desc->opcode, &desc->datalen, &desc->retval, 1269 &desc->cookie_high, &desc->cookie_low, 1270 &desc->params.internal.param0, 1271 &desc->params.internal.param1, 1272 &desc->params.internal.param2, 1273 &desc->params.internal.param3); 1274 if (cnt != 10) { 1275 dev_info(&pf->pdev->dev, 1276 "send aq_cmd: bad command string, cnt=%d\n", 1277 cnt); 1278 kfree(desc); 1279 desc = NULL; 1280 goto command_write_done; 1281 } 1282 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1283 if (!ret) { 1284 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1285 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1286 dev_info(&pf->pdev->dev, 1287 "AQ command send failed Opcode %x AQ Error: %d\n", 1288 desc->opcode, pf->hw.aq.asq_last_status); 1289 } else { 1290 dev_info(&pf->pdev->dev, 1291 "AQ command send failed Opcode %x Status: %d\n", 1292 desc->opcode, ret); 1293 } 1294 dev_info(&pf->pdev->dev, 1295 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1296 desc->flags, desc->opcode, desc->datalen, desc->retval, 1297 desc->cookie_high, desc->cookie_low, 1298 desc->params.internal.param0, 1299 desc->params.internal.param1, 1300 desc->params.internal.param2, 1301 desc->params.internal.param3); 1302 kfree(desc); 1303 desc = NULL; 1304 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1305 struct i40e_aq_desc *desc; 1306 i40e_status ret; 1307 u16 buffer_len; 1308 u8 *buff; 1309 1310 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1311 if (!desc) 1312 goto command_write_done; 1313 cnt = sscanf(&cmd_buf[20], 1314 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1315 &desc->flags, 1316 &desc->opcode, &desc->datalen, &desc->retval, 1317 &desc->cookie_high, &desc->cookie_low, 1318 &desc->params.internal.param0, 1319 &desc->params.internal.param1, 1320 &desc->params.internal.param2, 1321 &desc->params.internal.param3, 1322 &buffer_len); 1323 if (cnt != 11) { 1324 dev_info(&pf->pdev->dev, 1325 "send indirect aq_cmd: bad command string, cnt=%d\n", 1326 cnt); 1327 kfree(desc); 1328 desc = NULL; 1329 goto command_write_done; 1330 } 1331 /* Just stub a buffer big enough in case user messed up */ 1332 if (buffer_len == 0) 1333 buffer_len = 1280; 1334 1335 buff = kzalloc(buffer_len, GFP_KERNEL); 1336 if (!buff) { 1337 kfree(desc); 1338 desc = NULL; 1339 goto command_write_done; 1340 } 1341 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1342 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1343 buffer_len, NULL); 1344 if (!ret) { 1345 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1346 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1347 dev_info(&pf->pdev->dev, 1348 "AQ command send failed Opcode %x AQ Error: %d\n", 1349 desc->opcode, pf->hw.aq.asq_last_status); 1350 } else { 1351 dev_info(&pf->pdev->dev, 1352 "AQ command send failed Opcode %x Status: %d\n", 1353 desc->opcode, ret); 1354 } 1355 dev_info(&pf->pdev->dev, 1356 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1357 desc->flags, desc->opcode, desc->datalen, desc->retval, 1358 desc->cookie_high, desc->cookie_low, 1359 desc->params.internal.param0, 1360 desc->params.internal.param1, 1361 desc->params.internal.param2, 1362 desc->params.internal.param3); 1363 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1364 DUMP_PREFIX_OFFSET, 16, 1, 1365 buff, buffer_len, true); 1366 kfree(buff); 1367 buff = NULL; 1368 kfree(desc); 1369 desc = NULL; 1370 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1371 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1372 i40e_get_current_fd_count(pf)); 1373 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1374 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1375 int ret; 1376 1377 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1378 if (ret) { 1379 dev_info(&pf->pdev->dev, 1380 "Stop LLDP AQ command failed =0x%x\n", 1381 pf->hw.aq.asq_last_status); 1382 goto command_write_done; 1383 } 1384 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1385 pf->hw.mac.addr, 1386 I40E_ETH_P_LLDP, 0, 1387 pf->vsi[pf->lan_vsi]->seid, 1388 0, true, NULL, NULL); 1389 if (ret) { 1390 dev_info(&pf->pdev->dev, 1391 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1392 __func__, pf->hw.aq.asq_last_status); 1393 goto command_write_done; 1394 } 1395 #ifdef CONFIG_I40E_DCB 1396 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1397 DCB_CAP_DCBX_VER_IEEE; 1398 #endif /* CONFIG_I40E_DCB */ 1399 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1400 int ret; 1401 1402 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1403 pf->hw.mac.addr, 1404 I40E_ETH_P_LLDP, 0, 1405 pf->vsi[pf->lan_vsi]->seid, 1406 0, false, NULL, NULL); 1407 if (ret) { 1408 dev_info(&pf->pdev->dev, 1409 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1410 __func__, pf->hw.aq.asq_last_status); 1411 /* Continue and start FW LLDP anyways */ 1412 } 1413 1414 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1415 if (ret) { 1416 dev_info(&pf->pdev->dev, 1417 "Start LLDP AQ command failed =0x%x\n", 1418 pf->hw.aq.asq_last_status); 1419 goto command_write_done; 1420 } 1421 #ifdef CONFIG_I40E_DCB 1422 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1423 DCB_CAP_DCBX_VER_IEEE; 1424 #endif /* CONFIG_I40E_DCB */ 1425 } else if (strncmp(&cmd_buf[5], 1426 "get local", 9) == 0) { 1427 u16 llen, rlen; 1428 int ret; 1429 u8 *buff; 1430 1431 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1432 if (!buff) 1433 goto command_write_done; 1434 1435 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1436 I40E_AQ_LLDP_MIB_LOCAL, 1437 buff, I40E_LLDPDU_SIZE, 1438 &llen, &rlen, NULL); 1439 if (ret) { 1440 dev_info(&pf->pdev->dev, 1441 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1442 pf->hw.aq.asq_last_status); 1443 kfree(buff); 1444 buff = NULL; 1445 goto command_write_done; 1446 } 1447 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1448 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1449 DUMP_PREFIX_OFFSET, 16, 1, 1450 buff, I40E_LLDPDU_SIZE, true); 1451 kfree(buff); 1452 buff = NULL; 1453 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1454 u16 llen, rlen; 1455 int ret; 1456 u8 *buff; 1457 1458 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1459 if (!buff) 1460 goto command_write_done; 1461 1462 ret = i40e_aq_get_lldp_mib(&pf->hw, 1463 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1464 I40E_AQ_LLDP_MIB_REMOTE, 1465 buff, I40E_LLDPDU_SIZE, 1466 &llen, &rlen, NULL); 1467 if (ret) { 1468 dev_info(&pf->pdev->dev, 1469 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1470 pf->hw.aq.asq_last_status); 1471 kfree(buff); 1472 buff = NULL; 1473 goto command_write_done; 1474 } 1475 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1476 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1477 DUMP_PREFIX_OFFSET, 16, 1, 1478 buff, I40E_LLDPDU_SIZE, true); 1479 kfree(buff); 1480 buff = NULL; 1481 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1482 int ret; 1483 1484 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1485 true, NULL); 1486 if (ret) { 1487 dev_info(&pf->pdev->dev, 1488 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1489 pf->hw.aq.asq_last_status); 1490 goto command_write_done; 1491 } 1492 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1493 int ret; 1494 1495 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1496 false, NULL); 1497 if (ret) { 1498 dev_info(&pf->pdev->dev, 1499 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1500 pf->hw.aq.asq_last_status); 1501 goto command_write_done; 1502 } 1503 } 1504 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1505 u16 buffer_len, bytes; 1506 u16 module; 1507 u32 offset; 1508 u16 *buff; 1509 int ret; 1510 1511 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1512 &module, &offset, &buffer_len); 1513 if (cnt == 0) { 1514 module = 0; 1515 offset = 0; 1516 buffer_len = 0; 1517 } else if (cnt == 1) { 1518 offset = 0; 1519 buffer_len = 0; 1520 } else if (cnt == 2) { 1521 buffer_len = 0; 1522 } else if (cnt > 3) { 1523 dev_info(&pf->pdev->dev, 1524 "nvm read: bad command string, cnt=%d\n", cnt); 1525 goto command_write_done; 1526 } 1527 1528 /* set the max length */ 1529 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1530 1531 bytes = 2 * buffer_len; 1532 1533 /* read at least 1k bytes, no more than 4kB */ 1534 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1535 buff = kzalloc(bytes, GFP_KERNEL); 1536 if (!buff) 1537 goto command_write_done; 1538 1539 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1540 if (ret) { 1541 dev_info(&pf->pdev->dev, 1542 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1543 ret, pf->hw.aq.asq_last_status); 1544 kfree(buff); 1545 goto command_write_done; 1546 } 1547 1548 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1549 bytes, (u8 *)buff, true, NULL); 1550 i40e_release_nvm(&pf->hw); 1551 if (ret) { 1552 dev_info(&pf->pdev->dev, 1553 "Read NVM AQ failed err=%d status=0x%x\n", 1554 ret, pf->hw.aq.asq_last_status); 1555 } else { 1556 dev_info(&pf->pdev->dev, 1557 "Read NVM module=0x%x offset=0x%x words=%d\n", 1558 module, offset, buffer_len); 1559 if (bytes) 1560 print_hex_dump(KERN_INFO, "NVM Dump: ", 1561 DUMP_PREFIX_OFFSET, 16, 2, 1562 buff, bytes, true); 1563 } 1564 kfree(buff); 1565 buff = NULL; 1566 } else { 1567 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1568 dev_info(&pf->pdev->dev, "available commands\n"); 1569 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1570 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1571 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1572 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1573 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1574 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1575 dev_info(&pf->pdev->dev, " dump switch\n"); 1576 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1577 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1578 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1579 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1580 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1581 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1582 dev_info(&pf->pdev->dev, " read <reg>\n"); 1583 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1584 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1585 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1586 dev_info(&pf->pdev->dev, " pfr\n"); 1587 dev_info(&pf->pdev->dev, " corer\n"); 1588 dev_info(&pf->pdev->dev, " globr\n"); 1589 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1590 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1591 dev_info(&pf->pdev->dev, " fd current cnt"); 1592 dev_info(&pf->pdev->dev, " lldp start\n"); 1593 dev_info(&pf->pdev->dev, " lldp stop\n"); 1594 dev_info(&pf->pdev->dev, " lldp get local\n"); 1595 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1596 dev_info(&pf->pdev->dev, " lldp event on\n"); 1597 dev_info(&pf->pdev->dev, " lldp event off\n"); 1598 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1599 } 1600 1601 command_write_done: 1602 kfree(cmd_buf); 1603 cmd_buf = NULL; 1604 return count; 1605 } 1606 1607 static const struct file_operations i40e_dbg_command_fops = { 1608 .owner = THIS_MODULE, 1609 .open = simple_open, 1610 .read = i40e_dbg_command_read, 1611 .write = i40e_dbg_command_write, 1612 }; 1613 1614 /************************************************************** 1615 * netdev_ops 1616 * The netdev_ops entry in debugfs is for giving the driver commands 1617 * to be executed from the netdev operations. 1618 **************************************************************/ 1619 static char i40e_dbg_netdev_ops_buf[256] = ""; 1620 1621 /** 1622 * i40e_dbg_netdev_ops - read for netdev_ops datum 1623 * @filp: the opened file 1624 * @buffer: where to write the data for the user to read 1625 * @count: the size of the user's buffer 1626 * @ppos: file position offset 1627 **/ 1628 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1629 size_t count, loff_t *ppos) 1630 { 1631 struct i40e_pf *pf = filp->private_data; 1632 int bytes_not_copied; 1633 int buf_size = 256; 1634 char *buf; 1635 int len; 1636 1637 /* don't allow partal reads */ 1638 if (*ppos != 0) 1639 return 0; 1640 if (count < buf_size) 1641 return -ENOSPC; 1642 1643 buf = kzalloc(buf_size, GFP_KERNEL); 1644 if (!buf) 1645 return -ENOSPC; 1646 1647 len = snprintf(buf, buf_size, "%s: %s\n", 1648 pf->vsi[pf->lan_vsi]->netdev->name, 1649 i40e_dbg_netdev_ops_buf); 1650 1651 bytes_not_copied = copy_to_user(buffer, buf, len); 1652 kfree(buf); 1653 1654 if (bytes_not_copied) 1655 return -EFAULT; 1656 1657 *ppos = len; 1658 return len; 1659 } 1660 1661 /** 1662 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1663 * @filp: the opened file 1664 * @buffer: where to find the user's data 1665 * @count: the length of the user's data 1666 * @ppos: file position offset 1667 **/ 1668 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1669 const char __user *buffer, 1670 size_t count, loff_t *ppos) 1671 { 1672 struct i40e_pf *pf = filp->private_data; 1673 int bytes_not_copied; 1674 struct i40e_vsi *vsi; 1675 char *buf_tmp; 1676 int vsi_seid; 1677 int i, cnt; 1678 1679 /* don't allow partial writes */ 1680 if (*ppos != 0) 1681 return 0; 1682 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1683 return -ENOSPC; 1684 1685 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1686 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1687 buffer, count); 1688 if (bytes_not_copied) 1689 return -EFAULT; 1690 i40e_dbg_netdev_ops_buf[count] = '\0'; 1691 1692 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1693 if (buf_tmp) { 1694 *buf_tmp = '\0'; 1695 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1696 } 1697 1698 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1699 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1700 if (cnt != 1) { 1701 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1702 goto netdev_ops_write_done; 1703 } 1704 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1705 if (!vsi) { 1706 dev_info(&pf->pdev->dev, 1707 "tx_timeout: VSI %d not found\n", vsi_seid); 1708 } else if (!vsi->netdev) { 1709 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 1710 vsi_seid); 1711 } else if (test_bit(__I40E_VSI_DOWN, vsi->state)) { 1712 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 1713 vsi_seid); 1714 } else if (rtnl_trylock()) { 1715 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1716 rtnl_unlock(); 1717 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1718 } else { 1719 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1720 } 1721 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1722 int mtu; 1723 1724 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1725 &vsi_seid, &mtu); 1726 if (cnt != 2) { 1727 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1728 goto netdev_ops_write_done; 1729 } 1730 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1731 if (!vsi) { 1732 dev_info(&pf->pdev->dev, 1733 "change_mtu: VSI %d not found\n", vsi_seid); 1734 } else if (!vsi->netdev) { 1735 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1736 vsi_seid); 1737 } else if (rtnl_trylock()) { 1738 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1739 mtu); 1740 rtnl_unlock(); 1741 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1742 } else { 1743 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1744 } 1745 1746 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1747 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1748 if (cnt != 1) { 1749 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1750 goto netdev_ops_write_done; 1751 } 1752 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1753 if (!vsi) { 1754 dev_info(&pf->pdev->dev, 1755 "set_rx_mode: VSI %d not found\n", vsi_seid); 1756 } else if (!vsi->netdev) { 1757 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1758 vsi_seid); 1759 } else if (rtnl_trylock()) { 1760 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1761 rtnl_unlock(); 1762 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1763 } else { 1764 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1765 } 1766 1767 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1768 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1769 if (cnt != 1) { 1770 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1771 goto netdev_ops_write_done; 1772 } 1773 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1774 if (!vsi) { 1775 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1776 vsi_seid); 1777 } else if (!vsi->netdev) { 1778 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1779 vsi_seid); 1780 } else { 1781 for (i = 0; i < vsi->num_q_vectors; i++) 1782 napi_schedule(&vsi->q_vectors[i]->napi); 1783 dev_info(&pf->pdev->dev, "napi called\n"); 1784 } 1785 } else { 1786 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1787 i40e_dbg_netdev_ops_buf); 1788 dev_info(&pf->pdev->dev, "available commands\n"); 1789 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 1790 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1791 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1792 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1793 } 1794 netdev_ops_write_done: 1795 return count; 1796 } 1797 1798 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1799 .owner = THIS_MODULE, 1800 .open = simple_open, 1801 .read = i40e_dbg_netdev_ops_read, 1802 .write = i40e_dbg_netdev_ops_write, 1803 }; 1804 1805 /** 1806 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1807 * @pf: the PF that is starting up 1808 **/ 1809 void i40e_dbg_pf_init(struct i40e_pf *pf) 1810 { 1811 struct dentry *pfile; 1812 const char *name = pci_name(pf->pdev); 1813 const struct device *dev = &pf->pdev->dev; 1814 1815 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1816 if (!pf->i40e_dbg_pf) 1817 return; 1818 1819 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1820 &i40e_dbg_command_fops); 1821 if (!pfile) 1822 goto create_failed; 1823 1824 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1825 &i40e_dbg_netdev_ops_fops); 1826 if (!pfile) 1827 goto create_failed; 1828 1829 return; 1830 1831 create_failed: 1832 dev_info(dev, "debugfs dir/file for %s failed\n", name); 1833 debugfs_remove_recursive(pf->i40e_dbg_pf); 1834 } 1835 1836 /** 1837 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1838 * @pf: the PF that is stopping 1839 **/ 1840 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1841 { 1842 debugfs_remove_recursive(pf->i40e_dbg_pf); 1843 pf->i40e_dbg_pf = NULL; 1844 } 1845 1846 /** 1847 * i40e_dbg_init - start up debugfs for the driver 1848 **/ 1849 void i40e_dbg_init(void) 1850 { 1851 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1852 if (!i40e_dbg_root) 1853 pr_info("init of debugfs failed\n"); 1854 } 1855 1856 /** 1857 * i40e_dbg_exit - clean out the driver's debugfs entries 1858 **/ 1859 void i40e_dbg_exit(void) 1860 { 1861 debugfs_remove_recursive(i40e_dbg_root); 1862 i40e_dbg_root = NULL; 1863 } 1864 1865 #endif /* CONFIG_DEBUG_FS */ 1866