1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2013 - 2018 Intel Corporation. */ 3 4 #ifdef CONFIG_DEBUG_FS 5 6 #include <linux/fs.h> 7 #include <linux/debugfs.h> 8 9 #include "i40e.h" 10 11 static struct dentry *i40e_dbg_root; 12 13 enum ring_type { 14 RING_TYPE_RX, 15 RING_TYPE_TX, 16 RING_TYPE_XDP 17 }; 18 19 /** 20 * i40e_dbg_find_vsi - searches for the vsi with the given seid 21 * @pf: the PF structure to search for the vsi 22 * @seid: seid of the vsi it is searching for 23 **/ 24 static struct i40e_vsi *i40e_dbg_find_vsi(struct i40e_pf *pf, int seid) 25 { 26 int i; 27 28 if (seid < 0) 29 dev_info(&pf->pdev->dev, "%d: bad seid\n", seid); 30 else 31 for (i = 0; i < pf->num_alloc_vsi; i++) 32 if (pf->vsi[i] && (pf->vsi[i]->seid == seid)) 33 return pf->vsi[i]; 34 35 return NULL; 36 } 37 38 /** 39 * i40e_dbg_find_veb - searches for the veb with the given seid 40 * @pf: the PF structure to search for the veb 41 * @seid: seid of the veb it is searching for 42 **/ 43 static struct i40e_veb *i40e_dbg_find_veb(struct i40e_pf *pf, int seid) 44 { 45 int i; 46 47 for (i = 0; i < I40E_MAX_VEB; i++) 48 if (pf->veb[i] && pf->veb[i]->seid == seid) 49 return pf->veb[i]; 50 return NULL; 51 } 52 53 /************************************************************** 54 * command 55 * The command entry in debugfs is for giving the driver commands 56 * to be executed - these may be for changing the internal switch 57 * setup, adding or removing filters, or other things. Many of 58 * these will be useful for some forms of unit testing. 59 **************************************************************/ 60 static char i40e_dbg_command_buf[256] = ""; 61 62 /** 63 * i40e_dbg_command_read - read for command datum 64 * @filp: the opened file 65 * @buffer: where to write the data for the user to read 66 * @count: the size of the user's buffer 67 * @ppos: file position offset 68 **/ 69 static ssize_t i40e_dbg_command_read(struct file *filp, char __user *buffer, 70 size_t count, loff_t *ppos) 71 { 72 struct i40e_pf *pf = filp->private_data; 73 int bytes_not_copied; 74 int buf_size = 256; 75 char *buf; 76 int len; 77 78 /* don't allow partial reads */ 79 if (*ppos != 0) 80 return 0; 81 if (count < buf_size) 82 return -ENOSPC; 83 84 buf = kzalloc(buf_size, GFP_KERNEL); 85 if (!buf) 86 return -ENOSPC; 87 88 len = snprintf(buf, buf_size, "%s: %s\n", 89 pf->vsi[pf->lan_vsi]->netdev->name, 90 i40e_dbg_command_buf); 91 92 bytes_not_copied = copy_to_user(buffer, buf, len); 93 kfree(buf); 94 95 if (bytes_not_copied) 96 return -EFAULT; 97 98 *ppos = len; 99 return len; 100 } 101 102 static char *i40e_filter_state_string[] = { 103 "INVALID", 104 "NEW", 105 "ACTIVE", 106 "FAILED", 107 "REMOVE", 108 }; 109 110 /** 111 * i40e_dbg_dump_vsi_seid - handles dump vsi seid write into command datum 112 * @pf: the i40e_pf created in command write 113 * @seid: the seid the user put in 114 **/ 115 static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) 116 { 117 struct rtnl_link_stats64 *nstat; 118 struct i40e_mac_filter *f; 119 struct i40e_vsi *vsi; 120 int i, bkt; 121 122 vsi = i40e_dbg_find_vsi(pf, seid); 123 if (!vsi) { 124 dev_info(&pf->pdev->dev, 125 "dump %d: seid not found\n", seid); 126 return; 127 } 128 dev_info(&pf->pdev->dev, "vsi seid %d\n", seid); 129 if (vsi->netdev) { 130 struct net_device *nd = vsi->netdev; 131 132 dev_info(&pf->pdev->dev, " netdev: name = %s, state = %lu, flags = 0x%08x\n", 133 nd->name, nd->state, nd->flags); 134 dev_info(&pf->pdev->dev, " features = 0x%08lx\n", 135 (unsigned long int)nd->features); 136 dev_info(&pf->pdev->dev, " hw_features = 0x%08lx\n", 137 (unsigned long int)nd->hw_features); 138 dev_info(&pf->pdev->dev, " vlan_features = 0x%08lx\n", 139 (unsigned long int)nd->vlan_features); 140 } 141 dev_info(&pf->pdev->dev, 142 " flags = 0x%08lx, netdev_registered = %i, current_netdev_flags = 0x%04x\n", 143 vsi->flags, vsi->netdev_registered, vsi->current_netdev_flags); 144 for (i = 0; i < BITS_TO_LONGS(__I40E_VSI_STATE_SIZE__); i++) 145 dev_info(&pf->pdev->dev, 146 " state[%d] = %08lx\n", 147 i, vsi->state[i]); 148 if (vsi == pf->vsi[pf->lan_vsi]) 149 dev_info(&pf->pdev->dev, " MAC address: %pM SAN MAC: %pM Port MAC: %pM\n", 150 pf->hw.mac.addr, 151 pf->hw.mac.san_addr, 152 pf->hw.mac.port_addr); 153 hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { 154 dev_info(&pf->pdev->dev, 155 " mac_filter_hash: %pM vid=%d, state %s\n", 156 f->macaddr, f->vlan, 157 i40e_filter_state_string[f->state]); 158 } 159 dev_info(&pf->pdev->dev, " active_filters %u, promisc_threshold %u, overflow promisc %s\n", 160 vsi->active_filters, vsi->promisc_threshold, 161 (test_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state) ? 162 "ON" : "OFF")); 163 nstat = i40e_get_vsi_stats_struct(vsi); 164 dev_info(&pf->pdev->dev, 165 " net_stats: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 166 (unsigned long int)nstat->rx_packets, 167 (unsigned long int)nstat->rx_bytes, 168 (unsigned long int)nstat->rx_errors, 169 (unsigned long int)nstat->rx_dropped); 170 dev_info(&pf->pdev->dev, 171 " net_stats: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 172 (unsigned long int)nstat->tx_packets, 173 (unsigned long int)nstat->tx_bytes, 174 (unsigned long int)nstat->tx_errors, 175 (unsigned long int)nstat->tx_dropped); 176 dev_info(&pf->pdev->dev, 177 " net_stats: multicast = %lu, collisions = %lu\n", 178 (unsigned long int)nstat->multicast, 179 (unsigned long int)nstat->collisions); 180 dev_info(&pf->pdev->dev, 181 " net_stats: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 182 (unsigned long int)nstat->rx_length_errors, 183 (unsigned long int)nstat->rx_over_errors, 184 (unsigned long int)nstat->rx_crc_errors); 185 dev_info(&pf->pdev->dev, 186 " net_stats: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 187 (unsigned long int)nstat->rx_frame_errors, 188 (unsigned long int)nstat->rx_fifo_errors, 189 (unsigned long int)nstat->rx_missed_errors); 190 dev_info(&pf->pdev->dev, 191 " net_stats: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 192 (unsigned long int)nstat->tx_aborted_errors, 193 (unsigned long int)nstat->tx_carrier_errors, 194 (unsigned long int)nstat->tx_fifo_errors); 195 dev_info(&pf->pdev->dev, 196 " net_stats: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 197 (unsigned long int)nstat->tx_heartbeat_errors, 198 (unsigned long int)nstat->tx_window_errors); 199 dev_info(&pf->pdev->dev, 200 " net_stats: rx_compressed = %lu, tx_compressed = %lu\n", 201 (unsigned long int)nstat->rx_compressed, 202 (unsigned long int)nstat->tx_compressed); 203 dev_info(&pf->pdev->dev, 204 " net_stats_offsets: rx_packets = %lu, rx_bytes = %lu, rx_errors = %lu, rx_dropped = %lu\n", 205 (unsigned long int)vsi->net_stats_offsets.rx_packets, 206 (unsigned long int)vsi->net_stats_offsets.rx_bytes, 207 (unsigned long int)vsi->net_stats_offsets.rx_errors, 208 (unsigned long int)vsi->net_stats_offsets.rx_dropped); 209 dev_info(&pf->pdev->dev, 210 " net_stats_offsets: tx_packets = %lu, tx_bytes = %lu, tx_errors = %lu, tx_dropped = %lu\n", 211 (unsigned long int)vsi->net_stats_offsets.tx_packets, 212 (unsigned long int)vsi->net_stats_offsets.tx_bytes, 213 (unsigned long int)vsi->net_stats_offsets.tx_errors, 214 (unsigned long int)vsi->net_stats_offsets.tx_dropped); 215 dev_info(&pf->pdev->dev, 216 " net_stats_offsets: multicast = %lu, collisions = %lu\n", 217 (unsigned long int)vsi->net_stats_offsets.multicast, 218 (unsigned long int)vsi->net_stats_offsets.collisions); 219 dev_info(&pf->pdev->dev, 220 " net_stats_offsets: rx_length_errors = %lu, rx_over_errors = %lu, rx_crc_errors = %lu\n", 221 (unsigned long int)vsi->net_stats_offsets.rx_length_errors, 222 (unsigned long int)vsi->net_stats_offsets.rx_over_errors, 223 (unsigned long int)vsi->net_stats_offsets.rx_crc_errors); 224 dev_info(&pf->pdev->dev, 225 " net_stats_offsets: rx_frame_errors = %lu, rx_fifo_errors = %lu, rx_missed_errors = %lu\n", 226 (unsigned long int)vsi->net_stats_offsets.rx_frame_errors, 227 (unsigned long int)vsi->net_stats_offsets.rx_fifo_errors, 228 (unsigned long int)vsi->net_stats_offsets.rx_missed_errors); 229 dev_info(&pf->pdev->dev, 230 " net_stats_offsets: tx_aborted_errors = %lu, tx_carrier_errors = %lu, tx_fifo_errors = %lu\n", 231 (unsigned long int)vsi->net_stats_offsets.tx_aborted_errors, 232 (unsigned long int)vsi->net_stats_offsets.tx_carrier_errors, 233 (unsigned long int)vsi->net_stats_offsets.tx_fifo_errors); 234 dev_info(&pf->pdev->dev, 235 " net_stats_offsets: tx_heartbeat_errors = %lu, tx_window_errors = %lu\n", 236 (unsigned long int)vsi->net_stats_offsets.tx_heartbeat_errors, 237 (unsigned long int)vsi->net_stats_offsets.tx_window_errors); 238 dev_info(&pf->pdev->dev, 239 " net_stats_offsets: rx_compressed = %lu, tx_compressed = %lu\n", 240 (unsigned long int)vsi->net_stats_offsets.rx_compressed, 241 (unsigned long int)vsi->net_stats_offsets.tx_compressed); 242 dev_info(&pf->pdev->dev, 243 " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", 244 vsi->tx_restart, vsi->tx_busy, 245 vsi->rx_buf_failed, vsi->rx_page_failed); 246 rcu_read_lock(); 247 for (i = 0; i < vsi->num_queue_pairs; i++) { 248 struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); 249 250 if (!rx_ring) 251 continue; 252 253 dev_info(&pf->pdev->dev, 254 " rx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 255 i, *rx_ring->state, 256 rx_ring->queue_index, 257 rx_ring->reg_idx); 258 dev_info(&pf->pdev->dev, 259 " rx_rings[%i]: rx_buf_len = %d\n", 260 i, rx_ring->rx_buf_len); 261 dev_info(&pf->pdev->dev, 262 " rx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 263 i, 264 rx_ring->next_to_use, 265 rx_ring->next_to_clean, 266 rx_ring->ring_active); 267 dev_info(&pf->pdev->dev, 268 " rx_rings[%i]: rx_stats: packets = %lld, bytes = %lld, non_eop_descs = %lld\n", 269 i, rx_ring->stats.packets, 270 rx_ring->stats.bytes, 271 rx_ring->rx_stats.non_eop_descs); 272 dev_info(&pf->pdev->dev, 273 " rx_rings[%i]: rx_stats: alloc_page_failed = %lld, alloc_buff_failed = %lld\n", 274 i, 275 rx_ring->rx_stats.alloc_page_failed, 276 rx_ring->rx_stats.alloc_buff_failed); 277 dev_info(&pf->pdev->dev, 278 " rx_rings[%i]: rx_stats: realloc_count = %lld, page_reuse_count = %lld\n", 279 i, 280 rx_ring->rx_stats.realloc_count, 281 rx_ring->rx_stats.page_reuse_count); 282 dev_info(&pf->pdev->dev, 283 " rx_rings[%i]: size = %i\n", 284 i, rx_ring->size); 285 dev_info(&pf->pdev->dev, 286 " rx_rings[%i]: itr_setting = %d (%s)\n", 287 i, rx_ring->itr_setting, 288 ITR_IS_DYNAMIC(rx_ring->itr_setting) ? "dynamic" : "fixed"); 289 } 290 for (i = 0; i < vsi->num_queue_pairs; i++) { 291 struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); 292 293 if (!tx_ring) 294 continue; 295 296 dev_info(&pf->pdev->dev, 297 " tx_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 298 i, *tx_ring->state, 299 tx_ring->queue_index, 300 tx_ring->reg_idx); 301 dev_info(&pf->pdev->dev, 302 " tx_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 303 i, 304 tx_ring->next_to_use, 305 tx_ring->next_to_clean, 306 tx_ring->ring_active); 307 dev_info(&pf->pdev->dev, 308 " tx_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 309 i, tx_ring->stats.packets, 310 tx_ring->stats.bytes, 311 tx_ring->tx_stats.restart_queue); 312 dev_info(&pf->pdev->dev, 313 " tx_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 314 i, 315 tx_ring->tx_stats.tx_busy, 316 tx_ring->tx_stats.tx_done_old); 317 dev_info(&pf->pdev->dev, 318 " tx_rings[%i]: size = %i\n", 319 i, tx_ring->size); 320 dev_info(&pf->pdev->dev, 321 " tx_rings[%i]: DCB tc = %d\n", 322 i, tx_ring->dcb_tc); 323 dev_info(&pf->pdev->dev, 324 " tx_rings[%i]: itr_setting = %d (%s)\n", 325 i, tx_ring->itr_setting, 326 ITR_IS_DYNAMIC(tx_ring->itr_setting) ? "dynamic" : "fixed"); 327 } 328 if (i40e_enabled_xdp_vsi(vsi)) { 329 for (i = 0; i < vsi->num_queue_pairs; i++) { 330 struct i40e_ring *xdp_ring = READ_ONCE(vsi->xdp_rings[i]); 331 332 if (!xdp_ring) 333 continue; 334 335 dev_info(&pf->pdev->dev, 336 " xdp_rings[%i]: state = %lu, queue_index = %d, reg_idx = %d\n", 337 i, *xdp_ring->state, 338 xdp_ring->queue_index, 339 xdp_ring->reg_idx); 340 dev_info(&pf->pdev->dev, 341 " xdp_rings[%i]: next_to_use = %d, next_to_clean = %d, ring_active = %i\n", 342 i, 343 xdp_ring->next_to_use, 344 xdp_ring->next_to_clean, 345 xdp_ring->ring_active); 346 dev_info(&pf->pdev->dev, 347 " xdp_rings[%i]: tx_stats: packets = %lld, bytes = %lld, restart_queue = %lld\n", 348 i, xdp_ring->stats.packets, 349 xdp_ring->stats.bytes, 350 xdp_ring->tx_stats.restart_queue); 351 dev_info(&pf->pdev->dev, 352 " xdp_rings[%i]: tx_stats: tx_busy = %lld, tx_done_old = %lld\n", 353 i, 354 xdp_ring->tx_stats.tx_busy, 355 xdp_ring->tx_stats.tx_done_old); 356 dev_info(&pf->pdev->dev, 357 " xdp_rings[%i]: size = %i\n", 358 i, xdp_ring->size); 359 dev_info(&pf->pdev->dev, 360 " xdp_rings[%i]: DCB tc = %d\n", 361 i, xdp_ring->dcb_tc); 362 dev_info(&pf->pdev->dev, 363 " xdp_rings[%i]: itr_setting = %d (%s)\n", 364 i, xdp_ring->itr_setting, 365 ITR_IS_DYNAMIC(xdp_ring->itr_setting) ? 366 "dynamic" : "fixed"); 367 } 368 } 369 rcu_read_unlock(); 370 dev_info(&pf->pdev->dev, 371 " work_limit = %d\n", 372 vsi->work_limit); 373 dev_info(&pf->pdev->dev, 374 " max_frame = %d, rx_buf_len = %d dtype = %d\n", 375 vsi->max_frame, vsi->rx_buf_len, 0); 376 dev_info(&pf->pdev->dev, 377 " num_q_vectors = %i, base_vector = %i\n", 378 vsi->num_q_vectors, vsi->base_vector); 379 dev_info(&pf->pdev->dev, 380 " seid = %d, id = %d, uplink_seid = %d\n", 381 vsi->seid, vsi->id, vsi->uplink_seid); 382 dev_info(&pf->pdev->dev, 383 " base_queue = %d, num_queue_pairs = %d, num_tx_desc = %d, num_rx_desc = %d\n", 384 vsi->base_queue, vsi->num_queue_pairs, vsi->num_tx_desc, 385 vsi->num_rx_desc); 386 dev_info(&pf->pdev->dev, " type = %i\n", vsi->type); 387 if (vsi->type == I40E_VSI_SRIOV) 388 dev_info(&pf->pdev->dev, " VF ID = %i\n", vsi->vf_id); 389 dev_info(&pf->pdev->dev, 390 " info: valid_sections = 0x%04x, switch_id = 0x%04x\n", 391 vsi->info.valid_sections, vsi->info.switch_id); 392 dev_info(&pf->pdev->dev, 393 " info: sw_reserved[] = 0x%02x 0x%02x\n", 394 vsi->info.sw_reserved[0], vsi->info.sw_reserved[1]); 395 dev_info(&pf->pdev->dev, 396 " info: sec_flags = 0x%02x, sec_reserved = 0x%02x\n", 397 vsi->info.sec_flags, vsi->info.sec_reserved); 398 dev_info(&pf->pdev->dev, 399 " info: pvid = 0x%04x, fcoe_pvid = 0x%04x, port_vlan_flags = 0x%02x\n", 400 vsi->info.pvid, vsi->info.fcoe_pvid, 401 vsi->info.port_vlan_flags); 402 dev_info(&pf->pdev->dev, 403 " info: pvlan_reserved[] = 0x%02x 0x%02x 0x%02x\n", 404 vsi->info.pvlan_reserved[0], vsi->info.pvlan_reserved[1], 405 vsi->info.pvlan_reserved[2]); 406 dev_info(&pf->pdev->dev, 407 " info: ingress_table = 0x%08x, egress_table = 0x%08x\n", 408 vsi->info.ingress_table, vsi->info.egress_table); 409 dev_info(&pf->pdev->dev, 410 " info: cas_pv_stag = 0x%04x, cas_pv_flags= 0x%02x, cas_pv_reserved = 0x%02x\n", 411 vsi->info.cas_pv_tag, vsi->info.cas_pv_flags, 412 vsi->info.cas_pv_reserved); 413 dev_info(&pf->pdev->dev, 414 " info: queue_mapping[0..7 ] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 415 vsi->info.queue_mapping[0], vsi->info.queue_mapping[1], 416 vsi->info.queue_mapping[2], vsi->info.queue_mapping[3], 417 vsi->info.queue_mapping[4], vsi->info.queue_mapping[5], 418 vsi->info.queue_mapping[6], vsi->info.queue_mapping[7]); 419 dev_info(&pf->pdev->dev, 420 " info: queue_mapping[8..15] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 421 vsi->info.queue_mapping[8], vsi->info.queue_mapping[9], 422 vsi->info.queue_mapping[10], vsi->info.queue_mapping[11], 423 vsi->info.queue_mapping[12], vsi->info.queue_mapping[13], 424 vsi->info.queue_mapping[14], vsi->info.queue_mapping[15]); 425 dev_info(&pf->pdev->dev, 426 " info: tc_mapping[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 427 vsi->info.tc_mapping[0], vsi->info.tc_mapping[1], 428 vsi->info.tc_mapping[2], vsi->info.tc_mapping[3], 429 vsi->info.tc_mapping[4], vsi->info.tc_mapping[5], 430 vsi->info.tc_mapping[6], vsi->info.tc_mapping[7]); 431 dev_info(&pf->pdev->dev, 432 " info: queueing_opt_flags = 0x%02x queueing_opt_reserved[0..2] = 0x%02x 0x%02x 0x%02x\n", 433 vsi->info.queueing_opt_flags, 434 vsi->info.queueing_opt_reserved[0], 435 vsi->info.queueing_opt_reserved[1], 436 vsi->info.queueing_opt_reserved[2]); 437 dev_info(&pf->pdev->dev, 438 " info: up_enable_bits = 0x%02x\n", 439 vsi->info.up_enable_bits); 440 dev_info(&pf->pdev->dev, 441 " info: sched_reserved = 0x%02x, outer_up_table = 0x%04x\n", 442 vsi->info.sched_reserved, vsi->info.outer_up_table); 443 dev_info(&pf->pdev->dev, 444 " info: cmd_reserved[] = 0x%02x 0x%02x 0x%02x 0x0%02x 0x%02x 0x%02x 0x%02x 0x0%02x\n", 445 vsi->info.cmd_reserved[0], vsi->info.cmd_reserved[1], 446 vsi->info.cmd_reserved[2], vsi->info.cmd_reserved[3], 447 vsi->info.cmd_reserved[4], vsi->info.cmd_reserved[5], 448 vsi->info.cmd_reserved[6], vsi->info.cmd_reserved[7]); 449 dev_info(&pf->pdev->dev, 450 " info: qs_handle[] = 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n", 451 vsi->info.qs_handle[0], vsi->info.qs_handle[1], 452 vsi->info.qs_handle[2], vsi->info.qs_handle[3], 453 vsi->info.qs_handle[4], vsi->info.qs_handle[5], 454 vsi->info.qs_handle[6], vsi->info.qs_handle[7]); 455 dev_info(&pf->pdev->dev, 456 " info: stat_counter_idx = 0x%04x, sched_id = 0x%04x\n", 457 vsi->info.stat_counter_idx, vsi->info.sched_id); 458 dev_info(&pf->pdev->dev, 459 " 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", 460 vsi->info.resp_reserved[0], vsi->info.resp_reserved[1], 461 vsi->info.resp_reserved[2], vsi->info.resp_reserved[3], 462 vsi->info.resp_reserved[4], vsi->info.resp_reserved[5], 463 vsi->info.resp_reserved[6], vsi->info.resp_reserved[7], 464 vsi->info.resp_reserved[8], vsi->info.resp_reserved[9], 465 vsi->info.resp_reserved[10], vsi->info.resp_reserved[11]); 466 dev_info(&pf->pdev->dev, " idx = %d\n", vsi->idx); 467 dev_info(&pf->pdev->dev, 468 " tc_config: numtc = %d, enabled_tc = 0x%x\n", 469 vsi->tc_config.numtc, vsi->tc_config.enabled_tc); 470 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 471 dev_info(&pf->pdev->dev, 472 " tc_config: tc = %d, qoffset = %d, qcount = %d, netdev_tc = %d\n", 473 i, vsi->tc_config.tc_info[i].qoffset, 474 vsi->tc_config.tc_info[i].qcount, 475 vsi->tc_config.tc_info[i].netdev_tc); 476 } 477 dev_info(&pf->pdev->dev, 478 " bw: bw_limit = %d, bw_max_quanta = %d\n", 479 vsi->bw_limit, vsi->bw_max_quanta); 480 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 481 dev_info(&pf->pdev->dev, 482 " bw[%d]: ets_share_credits = %d, ets_limit_credits = %d, max_quanta = %d\n", 483 i, vsi->bw_ets_share_credits[i], 484 vsi->bw_ets_limit_credits[i], 485 vsi->bw_ets_max_quanta[i]); 486 } 487 } 488 489 /** 490 * i40e_dbg_dump_aq_desc - handles dump aq_desc write into command datum 491 * @pf: the i40e_pf created in command write 492 **/ 493 static void i40e_dbg_dump_aq_desc(struct i40e_pf *pf) 494 { 495 struct i40e_adminq_ring *ring; 496 struct i40e_hw *hw = &pf->hw; 497 char hdr[32]; 498 int i; 499 500 snprintf(hdr, sizeof(hdr), "%s %s: ", 501 dev_driver_string(&pf->pdev->dev), 502 dev_name(&pf->pdev->dev)); 503 504 /* first the send (command) ring, then the receive (event) ring */ 505 dev_info(&pf->pdev->dev, "AdminQ Tx Ring\n"); 506 ring = &(hw->aq.asq); 507 for (i = 0; i < ring->count; i++) { 508 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 509 510 dev_info(&pf->pdev->dev, 511 " at[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 512 i, d->flags, d->opcode, d->datalen, d->retval, 513 d->cookie_high, d->cookie_low); 514 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 515 16, 1, d->params.raw, 16, 0); 516 } 517 518 dev_info(&pf->pdev->dev, "AdminQ Rx Ring\n"); 519 ring = &(hw->aq.arq); 520 for (i = 0; i < ring->count; i++) { 521 struct i40e_aq_desc *d = I40E_ADMINQ_DESC(*ring, i); 522 523 dev_info(&pf->pdev->dev, 524 " ar[%02d] flags=0x%04x op=0x%04x dlen=0x%04x ret=0x%04x cookie_h=0x%08x cookie_l=0x%08x\n", 525 i, d->flags, d->opcode, d->datalen, d->retval, 526 d->cookie_high, d->cookie_low); 527 print_hex_dump(KERN_INFO, hdr, DUMP_PREFIX_NONE, 528 16, 1, d->params.raw, 16, 0); 529 } 530 } 531 532 /** 533 * i40e_dbg_dump_desc - handles dump desc write into command datum 534 * @cnt: number of arguments that the user supplied 535 * @vsi_seid: vsi id entered by user 536 * @ring_id: ring id entered by user 537 * @desc_n: descriptor number entered by user 538 * @pf: the i40e_pf created in command write 539 * @type: enum describing whether ring is RX, TX or XDP 540 **/ 541 static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n, 542 struct i40e_pf *pf, enum ring_type type) 543 { 544 bool is_rx_ring = type == RING_TYPE_RX; 545 struct i40e_tx_desc *txd; 546 union i40e_rx_desc *rxd; 547 struct i40e_ring *ring; 548 struct i40e_vsi *vsi; 549 int i; 550 551 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 552 if (!vsi) { 553 dev_info(&pf->pdev->dev, "vsi %d not found\n", vsi_seid); 554 return; 555 } 556 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { 557 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\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 switch (type) { 572 case RING_TYPE_RX: 573 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 574 break; 575 case RING_TYPE_TX: 576 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 577 break; 578 case RING_TYPE_XDP: 579 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); 580 break; 581 } 582 if (!ring) 583 return; 584 585 if (cnt == 2) { 586 switch (type) { 587 case RING_TYPE_RX: 588 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id); 589 break; 590 case RING_TYPE_TX: 591 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id); 592 break; 593 case RING_TYPE_XDP: 594 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id); 595 break; 596 } 597 for (i = 0; i < ring->count; i++) { 598 if (!is_rx_ring) { 599 txd = I40E_TX_DESC(ring, i); 600 dev_info(&pf->pdev->dev, 601 " d[%03x] = 0x%016llx 0x%016llx\n", 602 i, txd->buffer_addr, 603 txd->cmd_type_offset_bsz); 604 } else { 605 rxd = I40E_RX_DESC(ring, i); 606 dev_info(&pf->pdev->dev, 607 " d[%03x] = 0x%016llx 0x%016llx\n", 608 i, rxd->read.pkt_addr, 609 rxd->read.hdr_addr); 610 } 611 } 612 } else if (cnt == 3) { 613 if (desc_n >= ring->count || desc_n < 0) { 614 dev_info(&pf->pdev->dev, 615 "descriptor %d not found\n", desc_n); 616 goto out; 617 } 618 if (!is_rx_ring) { 619 txd = I40E_TX_DESC(ring, desc_n); 620 dev_info(&pf->pdev->dev, 621 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 622 vsi_seid, ring_id, desc_n, 623 txd->buffer_addr, txd->cmd_type_offset_bsz); 624 } else { 625 rxd = I40E_RX_DESC(ring, desc_n); 626 dev_info(&pf->pdev->dev, 627 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 628 vsi_seid, ring_id, desc_n, 629 rxd->read.pkt_addr, rxd->read.hdr_addr); 630 } 631 } else { 632 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 633 } 634 635 out: 636 kfree(ring); 637 } 638 639 /** 640 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 641 * @pf: the i40e_pf created in command write 642 **/ 643 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 644 { 645 int i; 646 647 for (i = 0; i < pf->num_alloc_vsi; i++) 648 if (pf->vsi[i]) 649 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 650 i, pf->vsi[i]->seid); 651 } 652 653 /** 654 * i40e_dbg_dump_stats - handles dump stats write into command datum 655 * @pf: the i40e_pf created in command write 656 * @estats: the eth stats structure to be dumped 657 **/ 658 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 659 struct i40e_eth_stats *estats) 660 { 661 dev_info(&pf->pdev->dev, " ethstats:\n"); 662 dev_info(&pf->pdev->dev, 663 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 664 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 665 dev_info(&pf->pdev->dev, 666 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 667 estats->rx_broadcast, estats->rx_discards); 668 dev_info(&pf->pdev->dev, 669 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 670 estats->rx_unknown_protocol, estats->tx_bytes); 671 dev_info(&pf->pdev->dev, 672 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 673 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 674 dev_info(&pf->pdev->dev, 675 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 676 estats->tx_discards, estats->tx_errors); 677 } 678 679 /** 680 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 681 * @pf: the i40e_pf created in command write 682 * @seid: the seid the user put in 683 **/ 684 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 685 { 686 struct i40e_veb *veb; 687 688 veb = i40e_dbg_find_veb(pf, seid); 689 if (!veb) { 690 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 691 return; 692 } 693 dev_info(&pf->pdev->dev, 694 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 695 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 696 veb->uplink_seid, 697 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 698 i40e_dbg_dump_eth_stats(pf, &veb->stats); 699 } 700 701 /** 702 * i40e_dbg_dump_veb_all - dumps all known veb's stats 703 * @pf: the i40e_pf created in command write 704 **/ 705 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 706 { 707 struct i40e_veb *veb; 708 int i; 709 710 for (i = 0; i < I40E_MAX_VEB; i++) { 711 veb = pf->veb[i]; 712 if (veb) 713 i40e_dbg_dump_veb_seid(pf, veb->seid); 714 } 715 } 716 717 /** 718 * i40e_dbg_dump_vf - dump VF info 719 * @pf: the i40e_pf created in command write 720 * @vf_id: the vf_id from the user 721 **/ 722 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 723 { 724 struct i40e_vf *vf; 725 struct i40e_vsi *vsi; 726 727 if (!pf->num_alloc_vfs) { 728 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 729 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 730 vf = &pf->vf[vf_id]; 731 vsi = pf->vsi[vf->lan_vsi_idx]; 732 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 733 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 734 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n", 735 vf->num_mdd_events, 736 vf->num_invalid_msgs, 737 vf->num_valid_msgs); 738 } else { 739 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 740 } 741 } 742 743 /** 744 * i40e_dbg_dump_vf_all - dump VF info for all VFs 745 * @pf: the i40e_pf created in command write 746 **/ 747 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 748 { 749 int i; 750 751 if (!pf->num_alloc_vfs) 752 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 753 else 754 for (i = 0; i < pf->num_alloc_vfs; i++) 755 i40e_dbg_dump_vf(pf, i); 756 } 757 758 /** 759 * i40e_dbg_command_write - write into command datum 760 * @filp: the opened file 761 * @buffer: where to find the user's data 762 * @count: the length of the user's data 763 * @ppos: file position offset 764 **/ 765 static ssize_t i40e_dbg_command_write(struct file *filp, 766 const char __user *buffer, 767 size_t count, loff_t *ppos) 768 { 769 struct i40e_pf *pf = filp->private_data; 770 char *cmd_buf, *cmd_buf_tmp; 771 int bytes_not_copied; 772 struct i40e_vsi *vsi; 773 int vsi_seid; 774 int veb_seid; 775 int vf_id; 776 int cnt; 777 778 /* don't allow partial writes */ 779 if (*ppos != 0) 780 return 0; 781 782 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 783 if (!cmd_buf) 784 return count; 785 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 786 if (bytes_not_copied) { 787 kfree(cmd_buf); 788 return -EFAULT; 789 } 790 cmd_buf[count] = '\0'; 791 792 cmd_buf_tmp = strchr(cmd_buf, '\n'); 793 if (cmd_buf_tmp) { 794 *cmd_buf_tmp = '\0'; 795 count = cmd_buf_tmp - cmd_buf + 1; 796 } 797 798 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 799 vsi_seid = -1; 800 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 801 if (cnt == 0) { 802 /* default to PF VSI */ 803 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 804 } else if (vsi_seid < 0) { 805 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 806 vsi_seid); 807 goto command_write_done; 808 } 809 810 /* By default we are in VEPA mode, if this is the first VF/VMDq 811 * VSI to be added switch to VEB mode. 812 */ 813 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 814 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 815 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 816 } 817 818 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 819 if (vsi) 820 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 821 vsi->seid, vsi->uplink_seid); 822 else 823 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 824 825 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 826 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 827 if (cnt != 1) { 828 dev_info(&pf->pdev->dev, 829 "del vsi: bad command string, cnt=%d\n", 830 cnt); 831 goto command_write_done; 832 } 833 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 834 if (!vsi) { 835 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 836 vsi_seid); 837 goto command_write_done; 838 } 839 840 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 841 i40e_vsi_release(vsi); 842 843 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 844 struct i40e_veb *veb; 845 int uplink_seid, i; 846 847 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 848 if (cnt != 2) { 849 dev_info(&pf->pdev->dev, 850 "add relay: bad command string, cnt=%d\n", 851 cnt); 852 goto command_write_done; 853 } else if (uplink_seid < 0) { 854 dev_info(&pf->pdev->dev, 855 "add relay %d: bad uplink seid\n", 856 uplink_seid); 857 goto command_write_done; 858 } 859 860 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 861 if (!vsi) { 862 dev_info(&pf->pdev->dev, 863 "add relay: VSI %d not found\n", vsi_seid); 864 goto command_write_done; 865 } 866 867 for (i = 0; i < I40E_MAX_VEB; i++) 868 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 869 break; 870 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 871 uplink_seid != pf->mac_seid) { 872 dev_info(&pf->pdev->dev, 873 "add relay: relay uplink %d not found\n", 874 uplink_seid); 875 goto command_write_done; 876 } 877 878 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 879 vsi->tc_config.enabled_tc); 880 if (veb) 881 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 882 else 883 dev_info(&pf->pdev->dev, "add relay failed\n"); 884 885 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 886 int i; 887 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 888 if (cnt != 1) { 889 dev_info(&pf->pdev->dev, 890 "del relay: bad command string, cnt=%d\n", 891 cnt); 892 goto command_write_done; 893 } else if (veb_seid < 0) { 894 dev_info(&pf->pdev->dev, 895 "del relay %d: bad relay seid\n", veb_seid); 896 goto command_write_done; 897 } 898 899 /* find the veb */ 900 for (i = 0; i < I40E_MAX_VEB; i++) 901 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 902 break; 903 if (i >= I40E_MAX_VEB) { 904 dev_info(&pf->pdev->dev, 905 "del relay: relay %d not found\n", veb_seid); 906 goto command_write_done; 907 } 908 909 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 910 i40e_veb_release(pf->veb[i]); 911 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 912 i40e_status ret; 913 u16 vid; 914 unsigned int v; 915 916 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 917 if (cnt != 2) { 918 dev_info(&pf->pdev->dev, 919 "add pvid: bad command string, cnt=%d\n", cnt); 920 goto command_write_done; 921 } 922 923 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 924 if (!vsi) { 925 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 926 vsi_seid); 927 goto command_write_done; 928 } 929 930 vid = v; 931 ret = i40e_vsi_add_pvid(vsi, vid); 932 if (!ret) 933 dev_info(&pf->pdev->dev, 934 "add pvid: %d added to VSI %d\n", 935 vid, vsi_seid); 936 else 937 dev_info(&pf->pdev->dev, 938 "add pvid: %d to VSI %d failed, ret=%d\n", 939 vid, vsi_seid, ret); 940 941 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 942 943 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 944 if (cnt != 1) { 945 dev_info(&pf->pdev->dev, 946 "del pvid: bad command string, cnt=%d\n", 947 cnt); 948 goto command_write_done; 949 } 950 951 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 952 if (!vsi) { 953 dev_info(&pf->pdev->dev, 954 "del pvid: VSI %d not found\n", vsi_seid); 955 goto command_write_done; 956 } 957 958 i40e_vsi_remove_pvid(vsi); 959 dev_info(&pf->pdev->dev, 960 "del pvid: removed from VSI %d\n", vsi_seid); 961 962 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 963 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 964 i40e_fetch_switch_configuration(pf, true); 965 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 966 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 967 if (cnt > 0) 968 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 969 else 970 i40e_dbg_dump_vsi_no_seid(pf); 971 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 972 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 973 if (cnt > 0) 974 i40e_dbg_dump_veb_seid(pf, vsi_seid); 975 else 976 i40e_dbg_dump_veb_all(pf); 977 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 978 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 979 if (cnt > 0) 980 i40e_dbg_dump_vf(pf, vf_id); 981 else 982 i40e_dbg_dump_vf_all(pf); 983 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 984 int ring_id, desc_n; 985 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 986 cnt = sscanf(&cmd_buf[12], "%i %i %i", 987 &vsi_seid, &ring_id, &desc_n); 988 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 989 desc_n, pf, RING_TYPE_RX); 990 } else if (strncmp(&cmd_buf[10], "tx", 2) 991 == 0) { 992 cnt = sscanf(&cmd_buf[12], "%i %i %i", 993 &vsi_seid, &ring_id, &desc_n); 994 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 995 desc_n, pf, RING_TYPE_TX); 996 } else if (strncmp(&cmd_buf[10], "xdp", 3) 997 == 0) { 998 cnt = sscanf(&cmd_buf[13], "%i %i %i", 999 &vsi_seid, &ring_id, &desc_n); 1000 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1001 desc_n, pf, RING_TYPE_XDP); 1002 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1003 i40e_dbg_dump_aq_desc(pf); 1004 } else { 1005 dev_info(&pf->pdev->dev, 1006 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1007 dev_info(&pf->pdev->dev, 1008 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1009 dev_info(&pf->pdev->dev, 1010 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1011 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1012 } 1013 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1014 dev_info(&pf->pdev->dev, 1015 "core reset count: %d\n", pf->corer_count); 1016 dev_info(&pf->pdev->dev, 1017 "global reset count: %d\n", pf->globr_count); 1018 dev_info(&pf->pdev->dev, 1019 "emp reset count: %d\n", pf->empr_count); 1020 dev_info(&pf->pdev->dev, 1021 "pf reset count: %d\n", pf->pfr_count); 1022 dev_info(&pf->pdev->dev, 1023 "pf tx sluggish count: %d\n", 1024 pf->tx_sluggish_count); 1025 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1026 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1027 struct i40e_dcbx_config *cfg = 1028 &pf->hw.local_dcbx_config; 1029 struct i40e_dcbx_config *r_cfg = 1030 &pf->hw.remote_dcbx_config; 1031 int i, ret; 1032 u16 switch_id; 1033 1034 bw_data = kzalloc(sizeof( 1035 struct i40e_aqc_query_port_ets_config_resp), 1036 GFP_KERNEL); 1037 if (!bw_data) { 1038 ret = -ENOMEM; 1039 goto command_write_done; 1040 } 1041 1042 vsi = pf->vsi[pf->lan_vsi]; 1043 switch_id = 1044 le16_to_cpu(vsi->info.switch_id) & 1045 I40E_AQ_VSI_SW_ID_MASK; 1046 1047 ret = i40e_aq_query_port_ets_config(&pf->hw, 1048 switch_id, 1049 bw_data, NULL); 1050 if (ret) { 1051 dev_info(&pf->pdev->dev, 1052 "Query Port ETS Config AQ command failed =0x%x\n", 1053 pf->hw.aq.asq_last_status); 1054 kfree(bw_data); 1055 bw_data = NULL; 1056 goto command_write_done; 1057 } 1058 dev_info(&pf->pdev->dev, 1059 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1060 bw_data->tc_valid_bits, 1061 bw_data->tc_strict_priority_bits, 1062 le16_to_cpu(bw_data->tc_bw_max[0]), 1063 le16_to_cpu(bw_data->tc_bw_max[1])); 1064 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1065 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1066 bw_data->tc_bw_share_credits[i], 1067 le16_to_cpu(bw_data->tc_bw_limits[i])); 1068 } 1069 1070 kfree(bw_data); 1071 bw_data = NULL; 1072 1073 dev_info(&pf->pdev->dev, 1074 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1075 dev_info(&pf->pdev->dev, 1076 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1077 cfg->etscfg.willing, cfg->etscfg.cbs, 1078 cfg->etscfg.maxtcs); 1079 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1080 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1081 i, cfg->etscfg.prioritytable[i], 1082 cfg->etscfg.tcbwtable[i], 1083 cfg->etscfg.tsatable[i]); 1084 } 1085 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1086 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1087 i, cfg->etsrec.prioritytable[i], 1088 cfg->etsrec.tcbwtable[i], 1089 cfg->etsrec.tsatable[i]); 1090 } 1091 dev_info(&pf->pdev->dev, 1092 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1093 cfg->pfc.willing, cfg->pfc.mbc, 1094 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1095 dev_info(&pf->pdev->dev, 1096 "port app_table: num_apps=%d\n", cfg->numapps); 1097 for (i = 0; i < cfg->numapps; i++) { 1098 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1099 i, cfg->app[i].priority, 1100 cfg->app[i].selector, 1101 cfg->app[i].protocolid); 1102 } 1103 /* Peer TLV DCBX data */ 1104 dev_info(&pf->pdev->dev, 1105 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1106 r_cfg->etscfg.willing, 1107 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1108 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1109 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1110 i, r_cfg->etscfg.prioritytable[i], 1111 r_cfg->etscfg.tcbwtable[i], 1112 r_cfg->etscfg.tsatable[i]); 1113 } 1114 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1115 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1116 i, r_cfg->etsrec.prioritytable[i], 1117 r_cfg->etsrec.tcbwtable[i], 1118 r_cfg->etsrec.tsatable[i]); 1119 } 1120 dev_info(&pf->pdev->dev, 1121 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1122 r_cfg->pfc.willing, 1123 r_cfg->pfc.mbc, 1124 r_cfg->pfc.pfccap, 1125 r_cfg->pfc.pfcenable); 1126 dev_info(&pf->pdev->dev, 1127 "remote port app_table: num_apps=%d\n", 1128 r_cfg->numapps); 1129 for (i = 0; i < r_cfg->numapps; i++) { 1130 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1131 i, r_cfg->app[i].priority, 1132 r_cfg->app[i].selector, 1133 r_cfg->app[i].protocolid); 1134 } 1135 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1136 int cluster_id, table_id; 1137 int index, ret; 1138 u16 buff_len = 4096; 1139 u32 next_index; 1140 u8 next_table; 1141 u8 *buff; 1142 u16 rlen; 1143 1144 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1145 &cluster_id, &table_id, &index); 1146 if (cnt != 3) { 1147 dev_info(&pf->pdev->dev, 1148 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1149 goto command_write_done; 1150 } 1151 1152 dev_info(&pf->pdev->dev, 1153 "AQ debug dump fwdata params %x %x %x %x\n", 1154 cluster_id, table_id, index, buff_len); 1155 buff = kzalloc(buff_len, GFP_KERNEL); 1156 if (!buff) 1157 goto command_write_done; 1158 1159 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1160 index, buff_len, buff, &rlen, 1161 &next_table, &next_index, 1162 NULL); 1163 if (ret) { 1164 dev_info(&pf->pdev->dev, 1165 "debug dump fwdata AQ Failed %d 0x%x\n", 1166 ret, pf->hw.aq.asq_last_status); 1167 kfree(buff); 1168 buff = NULL; 1169 goto command_write_done; 1170 } 1171 dev_info(&pf->pdev->dev, 1172 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1173 rlen, next_table, next_index); 1174 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1175 DUMP_PREFIX_OFFSET, 16, 1, 1176 buff, rlen, true); 1177 kfree(buff); 1178 buff = NULL; 1179 } else { 1180 dev_info(&pf->pdev->dev, 1181 "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>], dump desc xdp <vsi_seid> <ring_id> [<desc_n>],\n"); 1182 dev_info(&pf->pdev->dev, "dump switch\n"); 1183 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1184 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1185 dev_info(&pf->pdev->dev, "dump port\n"); 1186 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1187 dev_info(&pf->pdev->dev, 1188 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1189 } 1190 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1191 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1192 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1193 1194 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1195 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1196 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1197 1198 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1199 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1200 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1201 1202 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1203 u32 address; 1204 u32 value; 1205 1206 cnt = sscanf(&cmd_buf[4], "%i", &address); 1207 if (cnt != 1) { 1208 dev_info(&pf->pdev->dev, "read <reg>\n"); 1209 goto command_write_done; 1210 } 1211 1212 /* check the range on address */ 1213 if (address > (pf->ioremap_len - sizeof(u32))) { 1214 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1215 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1216 goto command_write_done; 1217 } 1218 1219 value = rd32(&pf->hw, address); 1220 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1221 address, value); 1222 1223 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1224 u32 address, value; 1225 1226 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1227 if (cnt != 2) { 1228 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1229 goto command_write_done; 1230 } 1231 1232 /* check the range on address */ 1233 if (address > (pf->ioremap_len - sizeof(u32))) { 1234 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1235 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1236 goto command_write_done; 1237 } 1238 wr32(&pf->hw, address, value); 1239 value = rd32(&pf->hw, address); 1240 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1241 address, value); 1242 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1243 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1244 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1245 if (cnt == 0) { 1246 int i; 1247 1248 for (i = 0; i < pf->num_alloc_vsi; i++) 1249 i40e_vsi_reset_stats(pf->vsi[i]); 1250 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1251 } else if (cnt == 1) { 1252 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1253 if (!vsi) { 1254 dev_info(&pf->pdev->dev, 1255 "clear_stats vsi: bad vsi %d\n", 1256 vsi_seid); 1257 goto command_write_done; 1258 } 1259 i40e_vsi_reset_stats(vsi); 1260 dev_info(&pf->pdev->dev, 1261 "vsi clear stats called for vsi %d\n", 1262 vsi_seid); 1263 } else { 1264 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1265 } 1266 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1267 if (pf->hw.partition_id == 1) { 1268 i40e_pf_reset_stats(pf); 1269 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1270 } else { 1271 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1272 } 1273 } else { 1274 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1275 } 1276 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1277 struct i40e_aq_desc *desc; 1278 i40e_status ret; 1279 1280 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1281 if (!desc) 1282 goto command_write_done; 1283 cnt = sscanf(&cmd_buf[11], 1284 "%hi %hi %hi %hi %i %i %i %i %i %i", 1285 &desc->flags, 1286 &desc->opcode, &desc->datalen, &desc->retval, 1287 &desc->cookie_high, &desc->cookie_low, 1288 &desc->params.internal.param0, 1289 &desc->params.internal.param1, 1290 &desc->params.internal.param2, 1291 &desc->params.internal.param3); 1292 if (cnt != 10) { 1293 dev_info(&pf->pdev->dev, 1294 "send aq_cmd: bad command string, cnt=%d\n", 1295 cnt); 1296 kfree(desc); 1297 desc = NULL; 1298 goto command_write_done; 1299 } 1300 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1301 if (!ret) { 1302 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1303 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1304 dev_info(&pf->pdev->dev, 1305 "AQ command send failed Opcode %x AQ Error: %d\n", 1306 desc->opcode, pf->hw.aq.asq_last_status); 1307 } else { 1308 dev_info(&pf->pdev->dev, 1309 "AQ command send failed Opcode %x Status: %d\n", 1310 desc->opcode, ret); 1311 } 1312 dev_info(&pf->pdev->dev, 1313 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1314 desc->flags, desc->opcode, desc->datalen, desc->retval, 1315 desc->cookie_high, desc->cookie_low, 1316 desc->params.internal.param0, 1317 desc->params.internal.param1, 1318 desc->params.internal.param2, 1319 desc->params.internal.param3); 1320 kfree(desc); 1321 desc = NULL; 1322 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1323 struct i40e_aq_desc *desc; 1324 i40e_status ret; 1325 u16 buffer_len; 1326 u8 *buff; 1327 1328 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1329 if (!desc) 1330 goto command_write_done; 1331 cnt = sscanf(&cmd_buf[20], 1332 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1333 &desc->flags, 1334 &desc->opcode, &desc->datalen, &desc->retval, 1335 &desc->cookie_high, &desc->cookie_low, 1336 &desc->params.internal.param0, 1337 &desc->params.internal.param1, 1338 &desc->params.internal.param2, 1339 &desc->params.internal.param3, 1340 &buffer_len); 1341 if (cnt != 11) { 1342 dev_info(&pf->pdev->dev, 1343 "send indirect aq_cmd: bad command string, cnt=%d\n", 1344 cnt); 1345 kfree(desc); 1346 desc = NULL; 1347 goto command_write_done; 1348 } 1349 /* Just stub a buffer big enough in case user messed up */ 1350 if (buffer_len == 0) 1351 buffer_len = 1280; 1352 1353 buff = kzalloc(buffer_len, GFP_KERNEL); 1354 if (!buff) { 1355 kfree(desc); 1356 desc = NULL; 1357 goto command_write_done; 1358 } 1359 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1360 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1361 buffer_len, NULL); 1362 if (!ret) { 1363 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1364 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1365 dev_info(&pf->pdev->dev, 1366 "AQ command send failed Opcode %x AQ Error: %d\n", 1367 desc->opcode, pf->hw.aq.asq_last_status); 1368 } else { 1369 dev_info(&pf->pdev->dev, 1370 "AQ command send failed Opcode %x Status: %d\n", 1371 desc->opcode, ret); 1372 } 1373 dev_info(&pf->pdev->dev, 1374 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1375 desc->flags, desc->opcode, desc->datalen, desc->retval, 1376 desc->cookie_high, desc->cookie_low, 1377 desc->params.internal.param0, 1378 desc->params.internal.param1, 1379 desc->params.internal.param2, 1380 desc->params.internal.param3); 1381 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1382 DUMP_PREFIX_OFFSET, 16, 1, 1383 buff, buffer_len, true); 1384 kfree(buff); 1385 buff = NULL; 1386 kfree(desc); 1387 desc = NULL; 1388 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1389 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1390 i40e_get_current_fd_count(pf)); 1391 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1392 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1393 int ret; 1394 1395 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL); 1396 if (ret) { 1397 dev_info(&pf->pdev->dev, 1398 "Stop LLDP AQ command failed =0x%x\n", 1399 pf->hw.aq.asq_last_status); 1400 goto command_write_done; 1401 } 1402 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1403 pf->hw.mac.addr, 1404 ETH_P_LLDP, 0, 1405 pf->vsi[pf->lan_vsi]->seid, 1406 0, true, NULL, NULL); 1407 if (ret) { 1408 dev_info(&pf->pdev->dev, 1409 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1410 __func__, pf->hw.aq.asq_last_status); 1411 goto command_write_done; 1412 } 1413 #ifdef CONFIG_I40E_DCB 1414 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1415 DCB_CAP_DCBX_VER_IEEE; 1416 #endif /* CONFIG_I40E_DCB */ 1417 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1418 int ret; 1419 1420 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1421 pf->hw.mac.addr, 1422 ETH_P_LLDP, 0, 1423 pf->vsi[pf->lan_vsi]->seid, 1424 0, false, NULL, NULL); 1425 if (ret) { 1426 dev_info(&pf->pdev->dev, 1427 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1428 __func__, pf->hw.aq.asq_last_status); 1429 /* Continue and start FW LLDP anyways */ 1430 } 1431 1432 ret = i40e_aq_start_lldp(&pf->hw, false, NULL); 1433 if (ret) { 1434 dev_info(&pf->pdev->dev, 1435 "Start LLDP AQ command failed =0x%x\n", 1436 pf->hw.aq.asq_last_status); 1437 goto command_write_done; 1438 } 1439 #ifdef CONFIG_I40E_DCB 1440 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1441 DCB_CAP_DCBX_VER_IEEE; 1442 #endif /* CONFIG_I40E_DCB */ 1443 } else if (strncmp(&cmd_buf[5], 1444 "get local", 9) == 0) { 1445 u16 llen, rlen; 1446 int ret; 1447 u8 *buff; 1448 1449 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1450 if (!buff) 1451 goto command_write_done; 1452 1453 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1454 I40E_AQ_LLDP_MIB_LOCAL, 1455 buff, I40E_LLDPDU_SIZE, 1456 &llen, &rlen, NULL); 1457 if (ret) { 1458 dev_info(&pf->pdev->dev, 1459 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1460 pf->hw.aq.asq_last_status); 1461 kfree(buff); 1462 buff = NULL; 1463 goto command_write_done; 1464 } 1465 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1466 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1467 DUMP_PREFIX_OFFSET, 16, 1, 1468 buff, I40E_LLDPDU_SIZE, true); 1469 kfree(buff); 1470 buff = NULL; 1471 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1472 u16 llen, rlen; 1473 int ret; 1474 u8 *buff; 1475 1476 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1477 if (!buff) 1478 goto command_write_done; 1479 1480 ret = i40e_aq_get_lldp_mib(&pf->hw, 1481 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1482 I40E_AQ_LLDP_MIB_REMOTE, 1483 buff, I40E_LLDPDU_SIZE, 1484 &llen, &rlen, NULL); 1485 if (ret) { 1486 dev_info(&pf->pdev->dev, 1487 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1488 pf->hw.aq.asq_last_status); 1489 kfree(buff); 1490 buff = NULL; 1491 goto command_write_done; 1492 } 1493 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1494 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1495 DUMP_PREFIX_OFFSET, 16, 1, 1496 buff, I40E_LLDPDU_SIZE, true); 1497 kfree(buff); 1498 buff = NULL; 1499 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1500 int ret; 1501 1502 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1503 true, NULL); 1504 if (ret) { 1505 dev_info(&pf->pdev->dev, 1506 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1507 pf->hw.aq.asq_last_status); 1508 goto command_write_done; 1509 } 1510 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1511 int ret; 1512 1513 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1514 false, NULL); 1515 if (ret) { 1516 dev_info(&pf->pdev->dev, 1517 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1518 pf->hw.aq.asq_last_status); 1519 goto command_write_done; 1520 } 1521 } 1522 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1523 u16 buffer_len, bytes; 1524 u16 module; 1525 u32 offset; 1526 u16 *buff; 1527 int ret; 1528 1529 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1530 &module, &offset, &buffer_len); 1531 if (cnt == 0) { 1532 module = 0; 1533 offset = 0; 1534 buffer_len = 0; 1535 } else if (cnt == 1) { 1536 offset = 0; 1537 buffer_len = 0; 1538 } else if (cnt == 2) { 1539 buffer_len = 0; 1540 } else if (cnt > 3) { 1541 dev_info(&pf->pdev->dev, 1542 "nvm read: bad command string, cnt=%d\n", cnt); 1543 goto command_write_done; 1544 } 1545 1546 /* set the max length */ 1547 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1548 1549 bytes = 2 * buffer_len; 1550 1551 /* read at least 1k bytes, no more than 4kB */ 1552 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1553 buff = kzalloc(bytes, GFP_KERNEL); 1554 if (!buff) 1555 goto command_write_done; 1556 1557 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1558 if (ret) { 1559 dev_info(&pf->pdev->dev, 1560 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1561 ret, pf->hw.aq.asq_last_status); 1562 kfree(buff); 1563 goto command_write_done; 1564 } 1565 1566 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1567 bytes, (u8 *)buff, true, NULL); 1568 i40e_release_nvm(&pf->hw); 1569 if (ret) { 1570 dev_info(&pf->pdev->dev, 1571 "Read NVM AQ failed err=%d status=0x%x\n", 1572 ret, pf->hw.aq.asq_last_status); 1573 } else { 1574 dev_info(&pf->pdev->dev, 1575 "Read NVM module=0x%x offset=0x%x words=%d\n", 1576 module, offset, buffer_len); 1577 if (bytes) 1578 print_hex_dump(KERN_INFO, "NVM Dump: ", 1579 DUMP_PREFIX_OFFSET, 16, 2, 1580 buff, bytes, true); 1581 } 1582 kfree(buff); 1583 buff = NULL; 1584 } else { 1585 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1586 dev_info(&pf->pdev->dev, "available commands\n"); 1587 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1588 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1589 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1590 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1591 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1592 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1593 dev_info(&pf->pdev->dev, " dump switch\n"); 1594 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1595 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1596 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1597 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1598 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1599 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1600 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1601 dev_info(&pf->pdev->dev, " read <reg>\n"); 1602 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1603 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1604 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1605 dev_info(&pf->pdev->dev, " pfr\n"); 1606 dev_info(&pf->pdev->dev, " corer\n"); 1607 dev_info(&pf->pdev->dev, " globr\n"); 1608 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1609 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1610 dev_info(&pf->pdev->dev, " fd current cnt"); 1611 dev_info(&pf->pdev->dev, " lldp start\n"); 1612 dev_info(&pf->pdev->dev, " lldp stop\n"); 1613 dev_info(&pf->pdev->dev, " lldp get local\n"); 1614 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1615 dev_info(&pf->pdev->dev, " lldp event on\n"); 1616 dev_info(&pf->pdev->dev, " lldp event off\n"); 1617 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1618 } 1619 1620 command_write_done: 1621 kfree(cmd_buf); 1622 cmd_buf = NULL; 1623 return count; 1624 } 1625 1626 static const struct file_operations i40e_dbg_command_fops = { 1627 .owner = THIS_MODULE, 1628 .open = simple_open, 1629 .read = i40e_dbg_command_read, 1630 .write = i40e_dbg_command_write, 1631 }; 1632 1633 /************************************************************** 1634 * netdev_ops 1635 * The netdev_ops entry in debugfs is for giving the driver commands 1636 * to be executed from the netdev operations. 1637 **************************************************************/ 1638 static char i40e_dbg_netdev_ops_buf[256] = ""; 1639 1640 /** 1641 * i40e_dbg_netdev_ops - read for netdev_ops datum 1642 * @filp: the opened file 1643 * @buffer: where to write the data for the user to read 1644 * @count: the size of the user's buffer 1645 * @ppos: file position offset 1646 **/ 1647 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1648 size_t count, loff_t *ppos) 1649 { 1650 struct i40e_pf *pf = filp->private_data; 1651 int bytes_not_copied; 1652 int buf_size = 256; 1653 char *buf; 1654 int len; 1655 1656 /* don't allow partal reads */ 1657 if (*ppos != 0) 1658 return 0; 1659 if (count < buf_size) 1660 return -ENOSPC; 1661 1662 buf = kzalloc(buf_size, GFP_KERNEL); 1663 if (!buf) 1664 return -ENOSPC; 1665 1666 len = snprintf(buf, buf_size, "%s: %s\n", 1667 pf->vsi[pf->lan_vsi]->netdev->name, 1668 i40e_dbg_netdev_ops_buf); 1669 1670 bytes_not_copied = copy_to_user(buffer, buf, len); 1671 kfree(buf); 1672 1673 if (bytes_not_copied) 1674 return -EFAULT; 1675 1676 *ppos = len; 1677 return len; 1678 } 1679 1680 /** 1681 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1682 * @filp: the opened file 1683 * @buffer: where to find the user's data 1684 * @count: the length of the user's data 1685 * @ppos: file position offset 1686 **/ 1687 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1688 const char __user *buffer, 1689 size_t count, loff_t *ppos) 1690 { 1691 struct i40e_pf *pf = filp->private_data; 1692 int bytes_not_copied; 1693 struct i40e_vsi *vsi; 1694 char *buf_tmp; 1695 int vsi_seid; 1696 int i, cnt; 1697 1698 /* don't allow partial writes */ 1699 if (*ppos != 0) 1700 return 0; 1701 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1702 return -ENOSPC; 1703 1704 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1705 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1706 buffer, count); 1707 if (bytes_not_copied) 1708 return -EFAULT; 1709 i40e_dbg_netdev_ops_buf[count] = '\0'; 1710 1711 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1712 if (buf_tmp) { 1713 *buf_tmp = '\0'; 1714 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1715 } 1716 1717 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1718 int mtu; 1719 1720 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1721 &vsi_seid, &mtu); 1722 if (cnt != 2) { 1723 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1724 goto netdev_ops_write_done; 1725 } 1726 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1727 if (!vsi) { 1728 dev_info(&pf->pdev->dev, 1729 "change_mtu: VSI %d not found\n", vsi_seid); 1730 } else if (!vsi->netdev) { 1731 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1732 vsi_seid); 1733 } else if (rtnl_trylock()) { 1734 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1735 mtu); 1736 rtnl_unlock(); 1737 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1738 } else { 1739 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1740 } 1741 1742 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1743 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1744 if (cnt != 1) { 1745 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1746 goto netdev_ops_write_done; 1747 } 1748 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1749 if (!vsi) { 1750 dev_info(&pf->pdev->dev, 1751 "set_rx_mode: VSI %d not found\n", vsi_seid); 1752 } else if (!vsi->netdev) { 1753 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1754 vsi_seid); 1755 } else if (rtnl_trylock()) { 1756 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1757 rtnl_unlock(); 1758 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1759 } else { 1760 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1761 } 1762 1763 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1764 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1765 if (cnt != 1) { 1766 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1767 goto netdev_ops_write_done; 1768 } 1769 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1770 if (!vsi) { 1771 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1772 vsi_seid); 1773 } else if (!vsi->netdev) { 1774 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1775 vsi_seid); 1776 } else { 1777 for (i = 0; i < vsi->num_q_vectors; i++) 1778 napi_schedule(&vsi->q_vectors[i]->napi); 1779 dev_info(&pf->pdev->dev, "napi called\n"); 1780 } 1781 } else { 1782 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1783 i40e_dbg_netdev_ops_buf); 1784 dev_info(&pf->pdev->dev, "available commands\n"); 1785 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1786 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1787 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1788 } 1789 netdev_ops_write_done: 1790 return count; 1791 } 1792 1793 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1794 .owner = THIS_MODULE, 1795 .open = simple_open, 1796 .read = i40e_dbg_netdev_ops_read, 1797 .write = i40e_dbg_netdev_ops_write, 1798 }; 1799 1800 /** 1801 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1802 * @pf: the PF that is starting up 1803 **/ 1804 void i40e_dbg_pf_init(struct i40e_pf *pf) 1805 { 1806 const char *name = pci_name(pf->pdev); 1807 1808 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1809 1810 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1811 &i40e_dbg_command_fops); 1812 1813 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1814 &i40e_dbg_netdev_ops_fops); 1815 } 1816 1817 /** 1818 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1819 * @pf: the PF that is stopping 1820 **/ 1821 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1822 { 1823 debugfs_remove_recursive(pf->i40e_dbg_pf); 1824 pf->i40e_dbg_pf = NULL; 1825 } 1826 1827 /** 1828 * i40e_dbg_init - start up debugfs for the driver 1829 **/ 1830 void i40e_dbg_init(void) 1831 { 1832 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1833 if (!i40e_dbg_root) 1834 pr_info("init of debugfs failed\n"); 1835 } 1836 1837 /** 1838 * i40e_dbg_exit - clean out the driver's debugfs entries 1839 **/ 1840 void i40e_dbg_exit(void) 1841 { 1842 debugfs_remove_recursive(i40e_dbg_root); 1843 i40e_dbg_root = NULL; 1844 } 1845 1846 #endif /* CONFIG_DEBUG_FS */ 1847