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 = %li, 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 = %li, 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, 802 BIT_ULL(__I40E_PF_RESET_REQUESTED)); 803 } 804 805 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 806 if (vsi) 807 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 808 vsi->seid, vsi->uplink_seid); 809 else 810 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 811 812 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 813 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 814 if (cnt != 1) { 815 dev_info(&pf->pdev->dev, 816 "del vsi: bad command string, cnt=%d\n", 817 cnt); 818 goto command_write_done; 819 } 820 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 821 if (!vsi) { 822 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 823 vsi_seid); 824 goto command_write_done; 825 } 826 827 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 828 i40e_vsi_release(vsi); 829 830 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 831 struct i40e_veb *veb; 832 int uplink_seid, i; 833 834 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 835 if (cnt != 2) { 836 dev_info(&pf->pdev->dev, 837 "add relay: bad command string, cnt=%d\n", 838 cnt); 839 goto command_write_done; 840 } else if (uplink_seid < 0) { 841 dev_info(&pf->pdev->dev, 842 "add relay %d: bad uplink seid\n", 843 uplink_seid); 844 goto command_write_done; 845 } 846 847 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 848 if (!vsi) { 849 dev_info(&pf->pdev->dev, 850 "add relay: VSI %d not found\n", vsi_seid); 851 goto command_write_done; 852 } 853 854 for (i = 0; i < I40E_MAX_VEB; i++) 855 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 856 break; 857 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 858 uplink_seid != pf->mac_seid) { 859 dev_info(&pf->pdev->dev, 860 "add relay: relay uplink %d not found\n", 861 uplink_seid); 862 goto command_write_done; 863 } 864 865 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 866 vsi->tc_config.enabled_tc); 867 if (veb) 868 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 869 else 870 dev_info(&pf->pdev->dev, "add relay failed\n"); 871 872 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 873 int i; 874 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 875 if (cnt != 1) { 876 dev_info(&pf->pdev->dev, 877 "del relay: bad command string, cnt=%d\n", 878 cnt); 879 goto command_write_done; 880 } else if (veb_seid < 0) { 881 dev_info(&pf->pdev->dev, 882 "del relay %d: bad relay seid\n", veb_seid); 883 goto command_write_done; 884 } 885 886 /* find the veb */ 887 for (i = 0; i < I40E_MAX_VEB; i++) 888 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 889 break; 890 if (i >= I40E_MAX_VEB) { 891 dev_info(&pf->pdev->dev, 892 "del relay: relay %d not found\n", veb_seid); 893 goto command_write_done; 894 } 895 896 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 897 i40e_veb_release(pf->veb[i]); 898 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 899 i40e_status ret; 900 u16 vid; 901 unsigned int v; 902 903 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 904 if (cnt != 2) { 905 dev_info(&pf->pdev->dev, 906 "add pvid: bad command string, cnt=%d\n", cnt); 907 goto command_write_done; 908 } 909 910 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 911 if (!vsi) { 912 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 913 vsi_seid); 914 goto command_write_done; 915 } 916 917 vid = v; 918 ret = i40e_vsi_add_pvid(vsi, vid); 919 if (!ret) 920 dev_info(&pf->pdev->dev, 921 "add pvid: %d added to VSI %d\n", 922 vid, vsi_seid); 923 else 924 dev_info(&pf->pdev->dev, 925 "add pvid: %d to VSI %d failed, ret=%d\n", 926 vid, vsi_seid, ret); 927 928 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 929 930 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 931 if (cnt != 1) { 932 dev_info(&pf->pdev->dev, 933 "del pvid: 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 pvid: VSI %d not found\n", vsi_seid); 942 goto command_write_done; 943 } 944 945 i40e_vsi_remove_pvid(vsi); 946 dev_info(&pf->pdev->dev, 947 "del pvid: removed from VSI %d\n", vsi_seid); 948 949 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 950 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 951 i40e_fetch_switch_configuration(pf, true); 952 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 953 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 954 if (cnt > 0) 955 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 956 else 957 i40e_dbg_dump_vsi_no_seid(pf); 958 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 959 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 960 if (cnt > 0) 961 i40e_dbg_dump_veb_seid(pf, vsi_seid); 962 else 963 i40e_dbg_dump_veb_all(pf); 964 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 965 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 966 if (cnt > 0) 967 i40e_dbg_dump_vf(pf, vf_id); 968 else 969 i40e_dbg_dump_vf_all(pf); 970 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 971 int ring_id, desc_n; 972 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 973 cnt = sscanf(&cmd_buf[12], "%i %i %i", 974 &vsi_seid, &ring_id, &desc_n); 975 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 976 desc_n, pf, true); 977 } else if (strncmp(&cmd_buf[10], "tx", 2) 978 == 0) { 979 cnt = sscanf(&cmd_buf[12], "%i %i %i", 980 &vsi_seid, &ring_id, &desc_n); 981 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 982 desc_n, pf, false); 983 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 984 i40e_dbg_dump_aq_desc(pf); 985 } else { 986 dev_info(&pf->pdev->dev, 987 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 988 dev_info(&pf->pdev->dev, 989 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 990 dev_info(&pf->pdev->dev, "dump desc aq\n"); 991 } 992 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 993 dev_info(&pf->pdev->dev, 994 "core reset count: %d\n", pf->corer_count); 995 dev_info(&pf->pdev->dev, 996 "global reset count: %d\n", pf->globr_count); 997 dev_info(&pf->pdev->dev, 998 "emp reset count: %d\n", pf->empr_count); 999 dev_info(&pf->pdev->dev, 1000 "pf reset count: %d\n", pf->pfr_count); 1001 dev_info(&pf->pdev->dev, 1002 "pf tx sluggish count: %d\n", 1003 pf->tx_sluggish_count); 1004 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1005 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1006 struct i40e_dcbx_config *cfg = 1007 &pf->hw.local_dcbx_config; 1008 struct i40e_dcbx_config *r_cfg = 1009 &pf->hw.remote_dcbx_config; 1010 int i, ret; 1011 u16 switch_id; 1012 1013 bw_data = kzalloc(sizeof( 1014 struct i40e_aqc_query_port_ets_config_resp), 1015 GFP_KERNEL); 1016 if (!bw_data) { 1017 ret = -ENOMEM; 1018 goto command_write_done; 1019 } 1020 1021 vsi = pf->vsi[pf->lan_vsi]; 1022 switch_id = 1023 le16_to_cpu(vsi->info.switch_id) & 1024 I40E_AQ_VSI_SW_ID_MASK; 1025 1026 ret = i40e_aq_query_port_ets_config(&pf->hw, 1027 switch_id, 1028 bw_data, NULL); 1029 if (ret) { 1030 dev_info(&pf->pdev->dev, 1031 "Query Port ETS Config AQ command failed =0x%x\n", 1032 pf->hw.aq.asq_last_status); 1033 kfree(bw_data); 1034 bw_data = NULL; 1035 goto command_write_done; 1036 } 1037 dev_info(&pf->pdev->dev, 1038 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1039 bw_data->tc_valid_bits, 1040 bw_data->tc_strict_priority_bits, 1041 le16_to_cpu(bw_data->tc_bw_max[0]), 1042 le16_to_cpu(bw_data->tc_bw_max[1])); 1043 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1044 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1045 bw_data->tc_bw_share_credits[i], 1046 le16_to_cpu(bw_data->tc_bw_limits[i])); 1047 } 1048 1049 kfree(bw_data); 1050 bw_data = NULL; 1051 1052 dev_info(&pf->pdev->dev, 1053 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1054 dev_info(&pf->pdev->dev, 1055 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1056 cfg->etscfg.willing, cfg->etscfg.cbs, 1057 cfg->etscfg.maxtcs); 1058 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1059 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1060 i, cfg->etscfg.prioritytable[i], 1061 cfg->etscfg.tcbwtable[i], 1062 cfg->etscfg.tsatable[i]); 1063 } 1064 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1065 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1066 i, cfg->etsrec.prioritytable[i], 1067 cfg->etsrec.tcbwtable[i], 1068 cfg->etsrec.tsatable[i]); 1069 } 1070 dev_info(&pf->pdev->dev, 1071 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1072 cfg->pfc.willing, cfg->pfc.mbc, 1073 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1074 dev_info(&pf->pdev->dev, 1075 "port app_table: num_apps=%d\n", cfg->numapps); 1076 for (i = 0; i < cfg->numapps; i++) { 1077 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1078 i, cfg->app[i].priority, 1079 cfg->app[i].selector, 1080 cfg->app[i].protocolid); 1081 } 1082 /* Peer TLV DCBX data */ 1083 dev_info(&pf->pdev->dev, 1084 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1085 r_cfg->etscfg.willing, 1086 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1087 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1088 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1089 i, r_cfg->etscfg.prioritytable[i], 1090 r_cfg->etscfg.tcbwtable[i], 1091 r_cfg->etscfg.tsatable[i]); 1092 } 1093 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1094 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1095 i, r_cfg->etsrec.prioritytable[i], 1096 r_cfg->etsrec.tcbwtable[i], 1097 r_cfg->etsrec.tsatable[i]); 1098 } 1099 dev_info(&pf->pdev->dev, 1100 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1101 r_cfg->pfc.willing, 1102 r_cfg->pfc.mbc, 1103 r_cfg->pfc.pfccap, 1104 r_cfg->pfc.pfcenable); 1105 dev_info(&pf->pdev->dev, 1106 "remote port app_table: num_apps=%d\n", 1107 r_cfg->numapps); 1108 for (i = 0; i < r_cfg->numapps; i++) { 1109 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1110 i, r_cfg->app[i].priority, 1111 r_cfg->app[i].selector, 1112 r_cfg->app[i].protocolid); 1113 } 1114 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1115 int cluster_id, table_id; 1116 int index, ret; 1117 u16 buff_len = 4096; 1118 u32 next_index; 1119 u8 next_table; 1120 u8 *buff; 1121 u16 rlen; 1122 1123 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1124 &cluster_id, &table_id, &index); 1125 if (cnt != 3) { 1126 dev_info(&pf->pdev->dev, 1127 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1128 goto command_write_done; 1129 } 1130 1131 dev_info(&pf->pdev->dev, 1132 "AQ debug dump fwdata params %x %x %x %x\n", 1133 cluster_id, table_id, index, buff_len); 1134 buff = kzalloc(buff_len, GFP_KERNEL); 1135 if (!buff) 1136 goto command_write_done; 1137 1138 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1139 index, buff_len, buff, &rlen, 1140 &next_table, &next_index, 1141 NULL); 1142 if (ret) { 1143 dev_info(&pf->pdev->dev, 1144 "debug dump fwdata AQ Failed %d 0x%x\n", 1145 ret, pf->hw.aq.asq_last_status); 1146 kfree(buff); 1147 buff = NULL; 1148 goto command_write_done; 1149 } 1150 dev_info(&pf->pdev->dev, 1151 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1152 rlen, next_table, next_index); 1153 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1154 DUMP_PREFIX_OFFSET, 16, 1, 1155 buff, rlen, true); 1156 kfree(buff); 1157 buff = NULL; 1158 } else { 1159 dev_info(&pf->pdev->dev, 1160 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); 1161 dev_info(&pf->pdev->dev, "dump switch\n"); 1162 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1163 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1164 dev_info(&pf->pdev->dev, "dump port\n"); 1165 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1166 dev_info(&pf->pdev->dev, 1167 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1168 } 1169 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1170 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1171 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1172 1173 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1174 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1175 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1176 1177 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1178 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1179 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1180 1181 } else if (strncmp(cmd_buf, "empr", 4) == 0) { 1182 dev_info(&pf->pdev->dev, "debugfs: forcing EMPR\n"); 1183 i40e_do_reset_safe(pf, BIT(__I40E_EMP_RESET_REQUESTED)); 1184 1185 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1186 u32 address; 1187 u32 value; 1188 1189 cnt = sscanf(&cmd_buf[4], "%i", &address); 1190 if (cnt != 1) { 1191 dev_info(&pf->pdev->dev, "read <reg>\n"); 1192 goto command_write_done; 1193 } 1194 1195 /* check the range on address */ 1196 if (address > (pf->ioremap_len - sizeof(u32))) { 1197 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1198 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1199 goto command_write_done; 1200 } 1201 1202 value = rd32(&pf->hw, address); 1203 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1204 address, value); 1205 1206 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1207 u32 address, value; 1208 1209 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1210 if (cnt != 2) { 1211 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1212 goto command_write_done; 1213 } 1214 1215 /* check the range on address */ 1216 if (address > (pf->ioremap_len - sizeof(u32))) { 1217 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1218 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1219 goto command_write_done; 1220 } 1221 wr32(&pf->hw, address, value); 1222 value = rd32(&pf->hw, address); 1223 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1224 address, value); 1225 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1226 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1227 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1228 if (cnt == 0) { 1229 int i; 1230 1231 for (i = 0; i < pf->num_alloc_vsi; i++) 1232 i40e_vsi_reset_stats(pf->vsi[i]); 1233 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1234 } else if (cnt == 1) { 1235 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1236 if (!vsi) { 1237 dev_info(&pf->pdev->dev, 1238 "clear_stats vsi: bad vsi %d\n", 1239 vsi_seid); 1240 goto command_write_done; 1241 } 1242 i40e_vsi_reset_stats(vsi); 1243 dev_info(&pf->pdev->dev, 1244 "vsi clear stats called for vsi %d\n", 1245 vsi_seid); 1246 } else { 1247 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1248 } 1249 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1250 if (pf->hw.partition_id == 1) { 1251 i40e_pf_reset_stats(pf); 1252 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1253 } else { 1254 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1255 } 1256 } else { 1257 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1258 } 1259 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1260 struct i40e_aq_desc *desc; 1261 i40e_status ret; 1262 1263 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1264 if (!desc) 1265 goto command_write_done; 1266 cnt = sscanf(&cmd_buf[11], 1267 "%hi %hi %hi %hi %i %i %i %i %i %i", 1268 &desc->flags, 1269 &desc->opcode, &desc->datalen, &desc->retval, 1270 &desc->cookie_high, &desc->cookie_low, 1271 &desc->params.internal.param0, 1272 &desc->params.internal.param1, 1273 &desc->params.internal.param2, 1274 &desc->params.internal.param3); 1275 if (cnt != 10) { 1276 dev_info(&pf->pdev->dev, 1277 "send aq_cmd: bad command string, cnt=%d\n", 1278 cnt); 1279 kfree(desc); 1280 desc = NULL; 1281 goto command_write_done; 1282 } 1283 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1284 if (!ret) { 1285 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1286 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1287 dev_info(&pf->pdev->dev, 1288 "AQ command send failed Opcode %x AQ Error: %d\n", 1289 desc->opcode, pf->hw.aq.asq_last_status); 1290 } else { 1291 dev_info(&pf->pdev->dev, 1292 "AQ command send failed Opcode %x Status: %d\n", 1293 desc->opcode, ret); 1294 } 1295 dev_info(&pf->pdev->dev, 1296 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1297 desc->flags, desc->opcode, desc->datalen, desc->retval, 1298 desc->cookie_high, desc->cookie_low, 1299 desc->params.internal.param0, 1300 desc->params.internal.param1, 1301 desc->params.internal.param2, 1302 desc->params.internal.param3); 1303 kfree(desc); 1304 desc = NULL; 1305 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1306 struct i40e_aq_desc *desc; 1307 i40e_status ret; 1308 u16 buffer_len; 1309 u8 *buff; 1310 1311 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1312 if (!desc) 1313 goto command_write_done; 1314 cnt = sscanf(&cmd_buf[20], 1315 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1316 &desc->flags, 1317 &desc->opcode, &desc->datalen, &desc->retval, 1318 &desc->cookie_high, &desc->cookie_low, 1319 &desc->params.internal.param0, 1320 &desc->params.internal.param1, 1321 &desc->params.internal.param2, 1322 &desc->params.internal.param3, 1323 &buffer_len); 1324 if (cnt != 11) { 1325 dev_info(&pf->pdev->dev, 1326 "send indirect aq_cmd: bad command string, cnt=%d\n", 1327 cnt); 1328 kfree(desc); 1329 desc = NULL; 1330 goto command_write_done; 1331 } 1332 /* Just stub a buffer big enough in case user messed up */ 1333 if (buffer_len == 0) 1334 buffer_len = 1280; 1335 1336 buff = kzalloc(buffer_len, GFP_KERNEL); 1337 if (!buff) { 1338 kfree(desc); 1339 desc = NULL; 1340 goto command_write_done; 1341 } 1342 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1343 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1344 buffer_len, NULL); 1345 if (!ret) { 1346 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1347 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1348 dev_info(&pf->pdev->dev, 1349 "AQ command send failed Opcode %x AQ Error: %d\n", 1350 desc->opcode, pf->hw.aq.asq_last_status); 1351 } else { 1352 dev_info(&pf->pdev->dev, 1353 "AQ command send failed Opcode %x Status: %d\n", 1354 desc->opcode, ret); 1355 } 1356 dev_info(&pf->pdev->dev, 1357 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1358 desc->flags, desc->opcode, desc->datalen, desc->retval, 1359 desc->cookie_high, desc->cookie_low, 1360 desc->params.internal.param0, 1361 desc->params.internal.param1, 1362 desc->params.internal.param2, 1363 desc->params.internal.param3); 1364 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1365 DUMP_PREFIX_OFFSET, 16, 1, 1366 buff, buffer_len, true); 1367 kfree(buff); 1368 buff = NULL; 1369 kfree(desc); 1370 desc = NULL; 1371 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1372 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1373 i40e_get_current_fd_count(pf)); 1374 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1375 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1376 int ret; 1377 1378 ret = i40e_aq_stop_lldp(&pf->hw, false, NULL); 1379 if (ret) { 1380 dev_info(&pf->pdev->dev, 1381 "Stop LLDP AQ command failed =0x%x\n", 1382 pf->hw.aq.asq_last_status); 1383 goto command_write_done; 1384 } 1385 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1386 pf->hw.mac.addr, 1387 I40E_ETH_P_LLDP, 0, 1388 pf->vsi[pf->lan_vsi]->seid, 1389 0, true, NULL, NULL); 1390 if (ret) { 1391 dev_info(&pf->pdev->dev, 1392 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1393 __func__, pf->hw.aq.asq_last_status); 1394 goto command_write_done; 1395 } 1396 #ifdef CONFIG_I40E_DCB 1397 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1398 DCB_CAP_DCBX_VER_IEEE; 1399 #endif /* CONFIG_I40E_DCB */ 1400 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1401 int ret; 1402 1403 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1404 pf->hw.mac.addr, 1405 I40E_ETH_P_LLDP, 0, 1406 pf->vsi[pf->lan_vsi]->seid, 1407 0, false, NULL, NULL); 1408 if (ret) { 1409 dev_info(&pf->pdev->dev, 1410 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1411 __func__, pf->hw.aq.asq_last_status); 1412 /* Continue and start FW LLDP anyways */ 1413 } 1414 1415 ret = i40e_aq_start_lldp(&pf->hw, NULL); 1416 if (ret) { 1417 dev_info(&pf->pdev->dev, 1418 "Start LLDP AQ command failed =0x%x\n", 1419 pf->hw.aq.asq_last_status); 1420 goto command_write_done; 1421 } 1422 #ifdef CONFIG_I40E_DCB 1423 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1424 DCB_CAP_DCBX_VER_IEEE; 1425 #endif /* CONFIG_I40E_DCB */ 1426 } else if (strncmp(&cmd_buf[5], 1427 "get local", 9) == 0) { 1428 u16 llen, rlen; 1429 int ret; 1430 u8 *buff; 1431 1432 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1433 if (!buff) 1434 goto command_write_done; 1435 1436 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1437 I40E_AQ_LLDP_MIB_LOCAL, 1438 buff, I40E_LLDPDU_SIZE, 1439 &llen, &rlen, NULL); 1440 if (ret) { 1441 dev_info(&pf->pdev->dev, 1442 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1443 pf->hw.aq.asq_last_status); 1444 kfree(buff); 1445 buff = NULL; 1446 goto command_write_done; 1447 } 1448 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1449 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1450 DUMP_PREFIX_OFFSET, 16, 1, 1451 buff, I40E_LLDPDU_SIZE, true); 1452 kfree(buff); 1453 buff = NULL; 1454 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1455 u16 llen, rlen; 1456 int ret; 1457 u8 *buff; 1458 1459 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1460 if (!buff) 1461 goto command_write_done; 1462 1463 ret = i40e_aq_get_lldp_mib(&pf->hw, 1464 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1465 I40E_AQ_LLDP_MIB_REMOTE, 1466 buff, I40E_LLDPDU_SIZE, 1467 &llen, &rlen, NULL); 1468 if (ret) { 1469 dev_info(&pf->pdev->dev, 1470 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1471 pf->hw.aq.asq_last_status); 1472 kfree(buff); 1473 buff = NULL; 1474 goto command_write_done; 1475 } 1476 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1477 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1478 DUMP_PREFIX_OFFSET, 16, 1, 1479 buff, I40E_LLDPDU_SIZE, true); 1480 kfree(buff); 1481 buff = NULL; 1482 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1483 int ret; 1484 1485 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1486 true, NULL); 1487 if (ret) { 1488 dev_info(&pf->pdev->dev, 1489 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1490 pf->hw.aq.asq_last_status); 1491 goto command_write_done; 1492 } 1493 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1494 int ret; 1495 1496 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1497 false, NULL); 1498 if (ret) { 1499 dev_info(&pf->pdev->dev, 1500 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1501 pf->hw.aq.asq_last_status); 1502 goto command_write_done; 1503 } 1504 } 1505 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1506 u16 buffer_len, bytes; 1507 u16 module; 1508 u32 offset; 1509 u16 *buff; 1510 int ret; 1511 1512 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1513 &module, &offset, &buffer_len); 1514 if (cnt == 0) { 1515 module = 0; 1516 offset = 0; 1517 buffer_len = 0; 1518 } else if (cnt == 1) { 1519 offset = 0; 1520 buffer_len = 0; 1521 } else if (cnt == 2) { 1522 buffer_len = 0; 1523 } else if (cnt > 3) { 1524 dev_info(&pf->pdev->dev, 1525 "nvm read: bad command string, cnt=%d\n", cnt); 1526 goto command_write_done; 1527 } 1528 1529 /* set the max length */ 1530 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1531 1532 bytes = 2 * buffer_len; 1533 1534 /* read at least 1k bytes, no more than 4kB */ 1535 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1536 buff = kzalloc(bytes, GFP_KERNEL); 1537 if (!buff) 1538 goto command_write_done; 1539 1540 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1541 if (ret) { 1542 dev_info(&pf->pdev->dev, 1543 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1544 ret, pf->hw.aq.asq_last_status); 1545 kfree(buff); 1546 goto command_write_done; 1547 } 1548 1549 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1550 bytes, (u8 *)buff, true, NULL); 1551 i40e_release_nvm(&pf->hw); 1552 if (ret) { 1553 dev_info(&pf->pdev->dev, 1554 "Read NVM AQ failed err=%d status=0x%x\n", 1555 ret, pf->hw.aq.asq_last_status); 1556 } else { 1557 dev_info(&pf->pdev->dev, 1558 "Read NVM module=0x%x offset=0x%x words=%d\n", 1559 module, offset, buffer_len); 1560 if (bytes) 1561 print_hex_dump(KERN_INFO, "NVM Dump: ", 1562 DUMP_PREFIX_OFFSET, 16, 2, 1563 buff, bytes, true); 1564 } 1565 kfree(buff); 1566 buff = NULL; 1567 } else { 1568 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1569 dev_info(&pf->pdev->dev, "available commands\n"); 1570 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1571 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1572 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1573 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1574 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1575 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1576 dev_info(&pf->pdev->dev, " dump switch\n"); 1577 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1578 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1579 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1580 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1581 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1582 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1583 dev_info(&pf->pdev->dev, " read <reg>\n"); 1584 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1585 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1586 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1587 dev_info(&pf->pdev->dev, " pfr\n"); 1588 dev_info(&pf->pdev->dev, " corer\n"); 1589 dev_info(&pf->pdev->dev, " globr\n"); 1590 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1591 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1592 dev_info(&pf->pdev->dev, " fd current cnt"); 1593 dev_info(&pf->pdev->dev, " lldp start\n"); 1594 dev_info(&pf->pdev->dev, " lldp stop\n"); 1595 dev_info(&pf->pdev->dev, " lldp get local\n"); 1596 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1597 dev_info(&pf->pdev->dev, " lldp event on\n"); 1598 dev_info(&pf->pdev->dev, " lldp event off\n"); 1599 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1600 } 1601 1602 command_write_done: 1603 kfree(cmd_buf); 1604 cmd_buf = NULL; 1605 return count; 1606 } 1607 1608 static const struct file_operations i40e_dbg_command_fops = { 1609 .owner = THIS_MODULE, 1610 .open = simple_open, 1611 .read = i40e_dbg_command_read, 1612 .write = i40e_dbg_command_write, 1613 }; 1614 1615 /************************************************************** 1616 * netdev_ops 1617 * The netdev_ops entry in debugfs is for giving the driver commands 1618 * to be executed from the netdev operations. 1619 **************************************************************/ 1620 static char i40e_dbg_netdev_ops_buf[256] = ""; 1621 1622 /** 1623 * i40e_dbg_netdev_ops - read for netdev_ops datum 1624 * @filp: the opened file 1625 * @buffer: where to write the data for the user to read 1626 * @count: the size of the user's buffer 1627 * @ppos: file position offset 1628 **/ 1629 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1630 size_t count, loff_t *ppos) 1631 { 1632 struct i40e_pf *pf = filp->private_data; 1633 int bytes_not_copied; 1634 int buf_size = 256; 1635 char *buf; 1636 int len; 1637 1638 /* don't allow partal reads */ 1639 if (*ppos != 0) 1640 return 0; 1641 if (count < buf_size) 1642 return -ENOSPC; 1643 1644 buf = kzalloc(buf_size, GFP_KERNEL); 1645 if (!buf) 1646 return -ENOSPC; 1647 1648 len = snprintf(buf, buf_size, "%s: %s\n", 1649 pf->vsi[pf->lan_vsi]->netdev->name, 1650 i40e_dbg_netdev_ops_buf); 1651 1652 bytes_not_copied = copy_to_user(buffer, buf, len); 1653 kfree(buf); 1654 1655 if (bytes_not_copied) 1656 return -EFAULT; 1657 1658 *ppos = len; 1659 return len; 1660 } 1661 1662 /** 1663 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1664 * @filp: the opened file 1665 * @buffer: where to find the user's data 1666 * @count: the length of the user's data 1667 * @ppos: file position offset 1668 **/ 1669 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1670 const char __user *buffer, 1671 size_t count, loff_t *ppos) 1672 { 1673 struct i40e_pf *pf = filp->private_data; 1674 int bytes_not_copied; 1675 struct i40e_vsi *vsi; 1676 char *buf_tmp; 1677 int vsi_seid; 1678 int i, cnt; 1679 1680 /* don't allow partial writes */ 1681 if (*ppos != 0) 1682 return 0; 1683 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1684 return -ENOSPC; 1685 1686 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1687 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1688 buffer, count); 1689 if (bytes_not_copied) 1690 return -EFAULT; 1691 i40e_dbg_netdev_ops_buf[count] = '\0'; 1692 1693 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1694 if (buf_tmp) { 1695 *buf_tmp = '\0'; 1696 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1697 } 1698 1699 if (strncmp(i40e_dbg_netdev_ops_buf, "tx_timeout", 10) == 0) { 1700 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1701 if (cnt != 1) { 1702 dev_info(&pf->pdev->dev, "tx_timeout <vsi_seid>\n"); 1703 goto netdev_ops_write_done; 1704 } 1705 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1706 if (!vsi) { 1707 dev_info(&pf->pdev->dev, 1708 "tx_timeout: VSI %d not found\n", vsi_seid); 1709 } else if (!vsi->netdev) { 1710 dev_info(&pf->pdev->dev, "tx_timeout: no netdev for VSI %d\n", 1711 vsi_seid); 1712 } else if (test_bit(__I40E_VSI_DOWN, vsi->state)) { 1713 dev_info(&pf->pdev->dev, "tx_timeout: VSI %d not UP\n", 1714 vsi_seid); 1715 } else if (rtnl_trylock()) { 1716 vsi->netdev->netdev_ops->ndo_tx_timeout(vsi->netdev); 1717 rtnl_unlock(); 1718 dev_info(&pf->pdev->dev, "tx_timeout called\n"); 1719 } else { 1720 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1721 } 1722 } else if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1723 int mtu; 1724 1725 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1726 &vsi_seid, &mtu); 1727 if (cnt != 2) { 1728 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1729 goto netdev_ops_write_done; 1730 } 1731 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1732 if (!vsi) { 1733 dev_info(&pf->pdev->dev, 1734 "change_mtu: VSI %d not found\n", vsi_seid); 1735 } else if (!vsi->netdev) { 1736 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1737 vsi_seid); 1738 } else if (rtnl_trylock()) { 1739 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1740 mtu); 1741 rtnl_unlock(); 1742 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1743 } else { 1744 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1745 } 1746 1747 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1748 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1749 if (cnt != 1) { 1750 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1751 goto netdev_ops_write_done; 1752 } 1753 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1754 if (!vsi) { 1755 dev_info(&pf->pdev->dev, 1756 "set_rx_mode: VSI %d not found\n", vsi_seid); 1757 } else if (!vsi->netdev) { 1758 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1759 vsi_seid); 1760 } else if (rtnl_trylock()) { 1761 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1762 rtnl_unlock(); 1763 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1764 } else { 1765 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1766 } 1767 1768 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1769 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1770 if (cnt != 1) { 1771 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1772 goto netdev_ops_write_done; 1773 } 1774 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1775 if (!vsi) { 1776 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1777 vsi_seid); 1778 } else if (!vsi->netdev) { 1779 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1780 vsi_seid); 1781 } else { 1782 for (i = 0; i < vsi->num_q_vectors; i++) 1783 napi_schedule(&vsi->q_vectors[i]->napi); 1784 dev_info(&pf->pdev->dev, "napi called\n"); 1785 } 1786 } else { 1787 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1788 i40e_dbg_netdev_ops_buf); 1789 dev_info(&pf->pdev->dev, "available commands\n"); 1790 dev_info(&pf->pdev->dev, " tx_timeout <vsi_seid>\n"); 1791 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1792 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1793 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1794 } 1795 netdev_ops_write_done: 1796 return count; 1797 } 1798 1799 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1800 .owner = THIS_MODULE, 1801 .open = simple_open, 1802 .read = i40e_dbg_netdev_ops_read, 1803 .write = i40e_dbg_netdev_ops_write, 1804 }; 1805 1806 /** 1807 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1808 * @pf: the PF that is starting up 1809 **/ 1810 void i40e_dbg_pf_init(struct i40e_pf *pf) 1811 { 1812 struct dentry *pfile; 1813 const char *name = pci_name(pf->pdev); 1814 const struct device *dev = &pf->pdev->dev; 1815 1816 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1817 if (!pf->i40e_dbg_pf) 1818 return; 1819 1820 pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1821 &i40e_dbg_command_fops); 1822 if (!pfile) 1823 goto create_failed; 1824 1825 pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1826 &i40e_dbg_netdev_ops_fops); 1827 if (!pfile) 1828 goto create_failed; 1829 1830 return; 1831 1832 create_failed: 1833 dev_info(dev, "debugfs dir/file for %s failed\n", name); 1834 debugfs_remove_recursive(pf->i40e_dbg_pf); 1835 } 1836 1837 /** 1838 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1839 * @pf: the PF that is stopping 1840 **/ 1841 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1842 { 1843 debugfs_remove_recursive(pf->i40e_dbg_pf); 1844 pf->i40e_dbg_pf = NULL; 1845 } 1846 1847 /** 1848 * i40e_dbg_init - start up debugfs for the driver 1849 **/ 1850 void i40e_dbg_init(void) 1851 { 1852 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1853 if (!i40e_dbg_root) 1854 pr_info("init of debugfs failed\n"); 1855 } 1856 1857 /** 1858 * i40e_dbg_exit - clean out the driver's debugfs entries 1859 **/ 1860 void i40e_dbg_exit(void) 1861 { 1862 debugfs_remove_recursive(i40e_dbg_root); 1863 i40e_dbg_root = NULL; 1864 } 1865 1866 #endif /* CONFIG_DEBUG_FS */ 1867