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 (vsi->type != I40E_VSI_MAIN && 557 vsi->type != I40E_VSI_FDIR && 558 vsi->type != I40E_VSI_VMDQ2) { 559 dev_info(&pf->pdev->dev, 560 "vsi %d type %d descriptor rings not available\n", 561 vsi_seid, vsi->type); 562 return; 563 } 564 if (type == RING_TYPE_XDP && !i40e_enabled_xdp_vsi(vsi)) { 565 dev_info(&pf->pdev->dev, "XDP not enabled on VSI %d\n", vsi_seid); 566 return; 567 } 568 if (ring_id >= vsi->num_queue_pairs || ring_id < 0) { 569 dev_info(&pf->pdev->dev, "ring %d not found\n", ring_id); 570 return; 571 } 572 if (!vsi->tx_rings || !vsi->tx_rings[0]->desc) { 573 dev_info(&pf->pdev->dev, 574 "descriptor rings have not been allocated for vsi %d\n", 575 vsi_seid); 576 return; 577 } 578 579 switch (type) { 580 case RING_TYPE_RX: 581 ring = kmemdup(vsi->rx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 582 break; 583 case RING_TYPE_TX: 584 ring = kmemdup(vsi->tx_rings[ring_id], sizeof(*ring), GFP_KERNEL); 585 break; 586 case RING_TYPE_XDP: 587 ring = kmemdup(vsi->xdp_rings[ring_id], sizeof(*ring), GFP_KERNEL); 588 break; 589 default: 590 ring = NULL; 591 break; 592 } 593 if (!ring) 594 return; 595 596 if (cnt == 2) { 597 switch (type) { 598 case RING_TYPE_RX: 599 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id); 600 break; 601 case RING_TYPE_TX: 602 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id); 603 break; 604 case RING_TYPE_XDP: 605 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id); 606 break; 607 } 608 for (i = 0; i < ring->count; i++) { 609 if (!is_rx_ring) { 610 txd = I40E_TX_DESC(ring, i); 611 dev_info(&pf->pdev->dev, 612 " d[%03x] = 0x%016llx 0x%016llx\n", 613 i, txd->buffer_addr, 614 txd->cmd_type_offset_bsz); 615 } else { 616 rxd = I40E_RX_DESC(ring, i); 617 dev_info(&pf->pdev->dev, 618 " d[%03x] = 0x%016llx 0x%016llx\n", 619 i, rxd->read.pkt_addr, 620 rxd->read.hdr_addr); 621 } 622 } 623 } else if (cnt == 3) { 624 if (desc_n >= ring->count || desc_n < 0) { 625 dev_info(&pf->pdev->dev, 626 "descriptor %d not found\n", desc_n); 627 goto out; 628 } 629 if (!is_rx_ring) { 630 txd = I40E_TX_DESC(ring, desc_n); 631 dev_info(&pf->pdev->dev, 632 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 633 vsi_seid, ring_id, desc_n, 634 txd->buffer_addr, txd->cmd_type_offset_bsz); 635 } else { 636 rxd = I40E_RX_DESC(ring, desc_n); 637 dev_info(&pf->pdev->dev, 638 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 639 vsi_seid, ring_id, desc_n, 640 rxd->read.pkt_addr, rxd->read.hdr_addr); 641 } 642 } else { 643 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 644 } 645 646 out: 647 kfree(ring); 648 } 649 650 /** 651 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 652 * @pf: the i40e_pf created in command write 653 **/ 654 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 655 { 656 int i; 657 658 for (i = 0; i < pf->num_alloc_vsi; i++) 659 if (pf->vsi[i]) 660 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 661 i, pf->vsi[i]->seid); 662 } 663 664 /** 665 * i40e_dbg_dump_eth_stats - handles dump stats write into command datum 666 * @pf: the i40e_pf created in command write 667 * @estats: the eth stats structure to be dumped 668 **/ 669 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 670 struct i40e_eth_stats *estats) 671 { 672 dev_info(&pf->pdev->dev, " ethstats:\n"); 673 dev_info(&pf->pdev->dev, 674 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 675 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 676 dev_info(&pf->pdev->dev, 677 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 678 estats->rx_broadcast, estats->rx_discards); 679 dev_info(&pf->pdev->dev, 680 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 681 estats->rx_unknown_protocol, estats->tx_bytes); 682 dev_info(&pf->pdev->dev, 683 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 684 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 685 dev_info(&pf->pdev->dev, 686 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 687 estats->tx_discards, estats->tx_errors); 688 } 689 690 /** 691 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 692 * @pf: the i40e_pf created in command write 693 * @seid: the seid the user put in 694 **/ 695 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 696 { 697 struct i40e_veb *veb; 698 699 veb = i40e_dbg_find_veb(pf, seid); 700 if (!veb) { 701 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 702 return; 703 } 704 dev_info(&pf->pdev->dev, 705 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 706 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 707 veb->uplink_seid, 708 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 709 i40e_dbg_dump_eth_stats(pf, &veb->stats); 710 } 711 712 /** 713 * i40e_dbg_dump_veb_all - dumps all known veb's stats 714 * @pf: the i40e_pf created in command write 715 **/ 716 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 717 { 718 struct i40e_veb *veb; 719 int i; 720 721 for (i = 0; i < I40E_MAX_VEB; i++) { 722 veb = pf->veb[i]; 723 if (veb) 724 i40e_dbg_dump_veb_seid(pf, veb->seid); 725 } 726 } 727 728 /** 729 * i40e_dbg_dump_vf - dump VF info 730 * @pf: the i40e_pf created in command write 731 * @vf_id: the vf_id from the user 732 **/ 733 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 734 { 735 struct i40e_vf *vf; 736 struct i40e_vsi *vsi; 737 738 if (!pf->num_alloc_vfs) { 739 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 740 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 741 vf = &pf->vf[vf_id]; 742 vsi = pf->vsi[vf->lan_vsi_idx]; 743 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 744 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 745 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n", 746 vf->num_mdd_events, 747 vf->num_invalid_msgs, 748 vf->num_valid_msgs); 749 } else { 750 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 751 } 752 } 753 754 /** 755 * i40e_dbg_dump_vf_all - dump VF info for all VFs 756 * @pf: the i40e_pf created in command write 757 **/ 758 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 759 { 760 int i; 761 762 if (!pf->num_alloc_vfs) 763 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 764 else 765 for (i = 0; i < pf->num_alloc_vfs; i++) 766 i40e_dbg_dump_vf(pf, i); 767 } 768 769 /** 770 * i40e_dbg_command_write - write into command datum 771 * @filp: the opened file 772 * @buffer: where to find the user's data 773 * @count: the length of the user's data 774 * @ppos: file position offset 775 **/ 776 static ssize_t i40e_dbg_command_write(struct file *filp, 777 const char __user *buffer, 778 size_t count, loff_t *ppos) 779 { 780 struct i40e_pf *pf = filp->private_data; 781 char *cmd_buf, *cmd_buf_tmp; 782 int bytes_not_copied; 783 struct i40e_vsi *vsi; 784 int vsi_seid; 785 int veb_seid; 786 int vf_id; 787 int cnt; 788 789 /* don't allow partial writes */ 790 if (*ppos != 0) 791 return 0; 792 793 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 794 if (!cmd_buf) 795 return count; 796 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 797 if (bytes_not_copied) { 798 kfree(cmd_buf); 799 return -EFAULT; 800 } 801 cmd_buf[count] = '\0'; 802 803 cmd_buf_tmp = strchr(cmd_buf, '\n'); 804 if (cmd_buf_tmp) { 805 *cmd_buf_tmp = '\0'; 806 count = cmd_buf_tmp - cmd_buf + 1; 807 } 808 809 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 810 vsi_seid = -1; 811 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 812 if (cnt == 0) { 813 /* default to PF VSI */ 814 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 815 } else if (vsi_seid < 0) { 816 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 817 vsi_seid); 818 goto command_write_done; 819 } 820 821 /* By default we are in VEPA mode, if this is the first VF/VMDq 822 * VSI to be added switch to VEB mode. 823 */ 824 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 825 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 826 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 827 } 828 829 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 830 if (vsi) 831 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 832 vsi->seid, vsi->uplink_seid); 833 else 834 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 835 836 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 837 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 838 if (cnt != 1) { 839 dev_info(&pf->pdev->dev, 840 "del vsi: bad command string, cnt=%d\n", 841 cnt); 842 goto command_write_done; 843 } 844 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 845 if (!vsi) { 846 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 847 vsi_seid); 848 goto command_write_done; 849 } 850 851 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 852 i40e_vsi_release(vsi); 853 854 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 855 struct i40e_veb *veb; 856 int uplink_seid, i; 857 858 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 859 if (cnt != 2) { 860 dev_info(&pf->pdev->dev, 861 "add relay: bad command string, cnt=%d\n", 862 cnt); 863 goto command_write_done; 864 } else if (uplink_seid < 0) { 865 dev_info(&pf->pdev->dev, 866 "add relay %d: bad uplink seid\n", 867 uplink_seid); 868 goto command_write_done; 869 } 870 871 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 872 if (!vsi) { 873 dev_info(&pf->pdev->dev, 874 "add relay: VSI %d not found\n", vsi_seid); 875 goto command_write_done; 876 } 877 878 for (i = 0; i < I40E_MAX_VEB; i++) 879 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 880 break; 881 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 882 uplink_seid != pf->mac_seid) { 883 dev_info(&pf->pdev->dev, 884 "add relay: relay uplink %d not found\n", 885 uplink_seid); 886 goto command_write_done; 887 } 888 889 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 890 vsi->tc_config.enabled_tc); 891 if (veb) 892 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 893 else 894 dev_info(&pf->pdev->dev, "add relay failed\n"); 895 896 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 897 int i; 898 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 899 if (cnt != 1) { 900 dev_info(&pf->pdev->dev, 901 "del relay: bad command string, cnt=%d\n", 902 cnt); 903 goto command_write_done; 904 } else if (veb_seid < 0) { 905 dev_info(&pf->pdev->dev, 906 "del relay %d: bad relay seid\n", veb_seid); 907 goto command_write_done; 908 } 909 910 /* find the veb */ 911 for (i = 0; i < I40E_MAX_VEB; i++) 912 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 913 break; 914 if (i >= I40E_MAX_VEB) { 915 dev_info(&pf->pdev->dev, 916 "del relay: relay %d not found\n", veb_seid); 917 goto command_write_done; 918 } 919 920 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 921 i40e_veb_release(pf->veb[i]); 922 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 923 i40e_status ret; 924 u16 vid; 925 unsigned int v; 926 927 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 928 if (cnt != 2) { 929 dev_info(&pf->pdev->dev, 930 "add pvid: bad command string, cnt=%d\n", cnt); 931 goto command_write_done; 932 } 933 934 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 935 if (!vsi) { 936 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 937 vsi_seid); 938 goto command_write_done; 939 } 940 941 vid = v; 942 ret = i40e_vsi_add_pvid(vsi, vid); 943 if (!ret) 944 dev_info(&pf->pdev->dev, 945 "add pvid: %d added to VSI %d\n", 946 vid, vsi_seid); 947 else 948 dev_info(&pf->pdev->dev, 949 "add pvid: %d to VSI %d failed, ret=%d\n", 950 vid, vsi_seid, ret); 951 952 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 953 954 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 955 if (cnt != 1) { 956 dev_info(&pf->pdev->dev, 957 "del pvid: bad command string, cnt=%d\n", 958 cnt); 959 goto command_write_done; 960 } 961 962 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 963 if (!vsi) { 964 dev_info(&pf->pdev->dev, 965 "del pvid: VSI %d not found\n", vsi_seid); 966 goto command_write_done; 967 } 968 969 i40e_vsi_remove_pvid(vsi); 970 dev_info(&pf->pdev->dev, 971 "del pvid: removed from VSI %d\n", vsi_seid); 972 973 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 974 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 975 i40e_fetch_switch_configuration(pf, true); 976 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 977 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 978 if (cnt > 0) 979 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 980 else 981 i40e_dbg_dump_vsi_no_seid(pf); 982 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 983 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 984 if (cnt > 0) 985 i40e_dbg_dump_veb_seid(pf, vsi_seid); 986 else 987 i40e_dbg_dump_veb_all(pf); 988 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 989 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 990 if (cnt > 0) 991 i40e_dbg_dump_vf(pf, vf_id); 992 else 993 i40e_dbg_dump_vf_all(pf); 994 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 995 int ring_id, desc_n; 996 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 997 cnt = sscanf(&cmd_buf[12], "%i %i %i", 998 &vsi_seid, &ring_id, &desc_n); 999 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1000 desc_n, pf, RING_TYPE_RX); 1001 } else if (strncmp(&cmd_buf[10], "tx", 2) 1002 == 0) { 1003 cnt = sscanf(&cmd_buf[12], "%i %i %i", 1004 &vsi_seid, &ring_id, &desc_n); 1005 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1006 desc_n, pf, RING_TYPE_TX); 1007 } else if (strncmp(&cmd_buf[10], "xdp", 3) 1008 == 0) { 1009 cnt = sscanf(&cmd_buf[13], "%i %i %i", 1010 &vsi_seid, &ring_id, &desc_n); 1011 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1012 desc_n, pf, RING_TYPE_XDP); 1013 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1014 i40e_dbg_dump_aq_desc(pf); 1015 } else { 1016 dev_info(&pf->pdev->dev, 1017 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1018 dev_info(&pf->pdev->dev, 1019 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1020 dev_info(&pf->pdev->dev, 1021 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1022 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1023 } 1024 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1025 dev_info(&pf->pdev->dev, 1026 "core reset count: %d\n", pf->corer_count); 1027 dev_info(&pf->pdev->dev, 1028 "global reset count: %d\n", pf->globr_count); 1029 dev_info(&pf->pdev->dev, 1030 "emp reset count: %d\n", pf->empr_count); 1031 dev_info(&pf->pdev->dev, 1032 "pf reset count: %d\n", pf->pfr_count); 1033 dev_info(&pf->pdev->dev, 1034 "pf tx sluggish count: %d\n", 1035 pf->tx_sluggish_count); 1036 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1037 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1038 struct i40e_dcbx_config *cfg = 1039 &pf->hw.local_dcbx_config; 1040 struct i40e_dcbx_config *r_cfg = 1041 &pf->hw.remote_dcbx_config; 1042 int i, ret; 1043 u16 switch_id; 1044 1045 bw_data = kzalloc(sizeof( 1046 struct i40e_aqc_query_port_ets_config_resp), 1047 GFP_KERNEL); 1048 if (!bw_data) { 1049 ret = -ENOMEM; 1050 goto command_write_done; 1051 } 1052 1053 vsi = pf->vsi[pf->lan_vsi]; 1054 switch_id = 1055 le16_to_cpu(vsi->info.switch_id) & 1056 I40E_AQ_VSI_SW_ID_MASK; 1057 1058 ret = i40e_aq_query_port_ets_config(&pf->hw, 1059 switch_id, 1060 bw_data, NULL); 1061 if (ret) { 1062 dev_info(&pf->pdev->dev, 1063 "Query Port ETS Config AQ command failed =0x%x\n", 1064 pf->hw.aq.asq_last_status); 1065 kfree(bw_data); 1066 bw_data = NULL; 1067 goto command_write_done; 1068 } 1069 dev_info(&pf->pdev->dev, 1070 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1071 bw_data->tc_valid_bits, 1072 bw_data->tc_strict_priority_bits, 1073 le16_to_cpu(bw_data->tc_bw_max[0]), 1074 le16_to_cpu(bw_data->tc_bw_max[1])); 1075 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1076 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1077 bw_data->tc_bw_share_credits[i], 1078 le16_to_cpu(bw_data->tc_bw_limits[i])); 1079 } 1080 1081 kfree(bw_data); 1082 bw_data = NULL; 1083 1084 dev_info(&pf->pdev->dev, 1085 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1086 dev_info(&pf->pdev->dev, 1087 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1088 cfg->etscfg.willing, cfg->etscfg.cbs, 1089 cfg->etscfg.maxtcs); 1090 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1091 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1092 i, cfg->etscfg.prioritytable[i], 1093 cfg->etscfg.tcbwtable[i], 1094 cfg->etscfg.tsatable[i]); 1095 } 1096 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1097 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1098 i, cfg->etsrec.prioritytable[i], 1099 cfg->etsrec.tcbwtable[i], 1100 cfg->etsrec.tsatable[i]); 1101 } 1102 dev_info(&pf->pdev->dev, 1103 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1104 cfg->pfc.willing, cfg->pfc.mbc, 1105 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1106 dev_info(&pf->pdev->dev, 1107 "port app_table: num_apps=%d\n", cfg->numapps); 1108 for (i = 0; i < cfg->numapps; i++) { 1109 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1110 i, cfg->app[i].priority, 1111 cfg->app[i].selector, 1112 cfg->app[i].protocolid); 1113 } 1114 /* Peer TLV DCBX data */ 1115 dev_info(&pf->pdev->dev, 1116 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1117 r_cfg->etscfg.willing, 1118 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1119 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1120 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1121 i, r_cfg->etscfg.prioritytable[i], 1122 r_cfg->etscfg.tcbwtable[i], 1123 r_cfg->etscfg.tsatable[i]); 1124 } 1125 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1126 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1127 i, r_cfg->etsrec.prioritytable[i], 1128 r_cfg->etsrec.tcbwtable[i], 1129 r_cfg->etsrec.tsatable[i]); 1130 } 1131 dev_info(&pf->pdev->dev, 1132 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1133 r_cfg->pfc.willing, 1134 r_cfg->pfc.mbc, 1135 r_cfg->pfc.pfccap, 1136 r_cfg->pfc.pfcenable); 1137 dev_info(&pf->pdev->dev, 1138 "remote port app_table: num_apps=%d\n", 1139 r_cfg->numapps); 1140 for (i = 0; i < r_cfg->numapps; i++) { 1141 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1142 i, r_cfg->app[i].priority, 1143 r_cfg->app[i].selector, 1144 r_cfg->app[i].protocolid); 1145 } 1146 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1147 int cluster_id, table_id; 1148 int index, ret; 1149 u16 buff_len = 4096; 1150 u32 next_index; 1151 u8 next_table; 1152 u8 *buff; 1153 u16 rlen; 1154 1155 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1156 &cluster_id, &table_id, &index); 1157 if (cnt != 3) { 1158 dev_info(&pf->pdev->dev, 1159 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1160 goto command_write_done; 1161 } 1162 1163 dev_info(&pf->pdev->dev, 1164 "AQ debug dump fwdata params %x %x %x %x\n", 1165 cluster_id, table_id, index, buff_len); 1166 buff = kzalloc(buff_len, GFP_KERNEL); 1167 if (!buff) 1168 goto command_write_done; 1169 1170 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1171 index, buff_len, buff, &rlen, 1172 &next_table, &next_index, 1173 NULL); 1174 if (ret) { 1175 dev_info(&pf->pdev->dev, 1176 "debug dump fwdata AQ Failed %d 0x%x\n", 1177 ret, pf->hw.aq.asq_last_status); 1178 kfree(buff); 1179 buff = NULL; 1180 goto command_write_done; 1181 } 1182 dev_info(&pf->pdev->dev, 1183 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1184 rlen, next_table, next_index); 1185 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1186 DUMP_PREFIX_OFFSET, 16, 1, 1187 buff, rlen, true); 1188 kfree(buff); 1189 buff = NULL; 1190 } else { 1191 dev_info(&pf->pdev->dev, 1192 "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"); 1193 dev_info(&pf->pdev->dev, "dump switch\n"); 1194 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1195 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1196 dev_info(&pf->pdev->dev, "dump port\n"); 1197 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1198 dev_info(&pf->pdev->dev, 1199 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1200 } 1201 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1202 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1203 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1204 1205 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1206 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1207 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1208 1209 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1210 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1211 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1212 1213 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1214 u32 address; 1215 u32 value; 1216 1217 cnt = sscanf(&cmd_buf[4], "%i", &address); 1218 if (cnt != 1) { 1219 dev_info(&pf->pdev->dev, "read <reg>\n"); 1220 goto command_write_done; 1221 } 1222 1223 /* check the range on address */ 1224 if (address > (pf->ioremap_len - sizeof(u32))) { 1225 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1226 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1227 goto command_write_done; 1228 } 1229 1230 value = rd32(&pf->hw, address); 1231 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1232 address, value); 1233 1234 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1235 u32 address, value; 1236 1237 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1238 if (cnt != 2) { 1239 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1240 goto command_write_done; 1241 } 1242 1243 /* check the range on address */ 1244 if (address > (pf->ioremap_len - sizeof(u32))) { 1245 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1246 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1247 goto command_write_done; 1248 } 1249 wr32(&pf->hw, address, value); 1250 value = rd32(&pf->hw, address); 1251 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1252 address, value); 1253 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1254 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1255 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1256 if (cnt == 0) { 1257 int i; 1258 1259 for (i = 0; i < pf->num_alloc_vsi; i++) 1260 i40e_vsi_reset_stats(pf->vsi[i]); 1261 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1262 } else if (cnt == 1) { 1263 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1264 if (!vsi) { 1265 dev_info(&pf->pdev->dev, 1266 "clear_stats vsi: bad vsi %d\n", 1267 vsi_seid); 1268 goto command_write_done; 1269 } 1270 i40e_vsi_reset_stats(vsi); 1271 dev_info(&pf->pdev->dev, 1272 "vsi clear stats called for vsi %d\n", 1273 vsi_seid); 1274 } else { 1275 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1276 } 1277 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1278 if (pf->hw.partition_id == 1) { 1279 i40e_pf_reset_stats(pf); 1280 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1281 } else { 1282 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1283 } 1284 } else { 1285 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1286 } 1287 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1288 struct i40e_aq_desc *desc; 1289 i40e_status ret; 1290 1291 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1292 if (!desc) 1293 goto command_write_done; 1294 cnt = sscanf(&cmd_buf[11], 1295 "%hi %hi %hi %hi %i %i %i %i %i %i", 1296 &desc->flags, 1297 &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 if (cnt != 10) { 1304 dev_info(&pf->pdev->dev, 1305 "send aq_cmd: bad command string, cnt=%d\n", 1306 cnt); 1307 kfree(desc); 1308 desc = NULL; 1309 goto command_write_done; 1310 } 1311 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1312 if (!ret) { 1313 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1314 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1315 dev_info(&pf->pdev->dev, 1316 "AQ command send failed Opcode %x AQ Error: %d\n", 1317 desc->opcode, pf->hw.aq.asq_last_status); 1318 } else { 1319 dev_info(&pf->pdev->dev, 1320 "AQ command send failed Opcode %x Status: %d\n", 1321 desc->opcode, ret); 1322 } 1323 dev_info(&pf->pdev->dev, 1324 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1325 desc->flags, desc->opcode, desc->datalen, desc->retval, 1326 desc->cookie_high, desc->cookie_low, 1327 desc->params.internal.param0, 1328 desc->params.internal.param1, 1329 desc->params.internal.param2, 1330 desc->params.internal.param3); 1331 kfree(desc); 1332 desc = NULL; 1333 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1334 struct i40e_aq_desc *desc; 1335 i40e_status ret; 1336 u16 buffer_len; 1337 u8 *buff; 1338 1339 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1340 if (!desc) 1341 goto command_write_done; 1342 cnt = sscanf(&cmd_buf[20], 1343 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1344 &desc->flags, 1345 &desc->opcode, &desc->datalen, &desc->retval, 1346 &desc->cookie_high, &desc->cookie_low, 1347 &desc->params.internal.param0, 1348 &desc->params.internal.param1, 1349 &desc->params.internal.param2, 1350 &desc->params.internal.param3, 1351 &buffer_len); 1352 if (cnt != 11) { 1353 dev_info(&pf->pdev->dev, 1354 "send indirect aq_cmd: bad command string, cnt=%d\n", 1355 cnt); 1356 kfree(desc); 1357 desc = NULL; 1358 goto command_write_done; 1359 } 1360 /* Just stub a buffer big enough in case user messed up */ 1361 if (buffer_len == 0) 1362 buffer_len = 1280; 1363 1364 buff = kzalloc(buffer_len, GFP_KERNEL); 1365 if (!buff) { 1366 kfree(desc); 1367 desc = NULL; 1368 goto command_write_done; 1369 } 1370 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1371 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1372 buffer_len, NULL); 1373 if (!ret) { 1374 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1375 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1376 dev_info(&pf->pdev->dev, 1377 "AQ command send failed Opcode %x AQ Error: %d\n", 1378 desc->opcode, pf->hw.aq.asq_last_status); 1379 } else { 1380 dev_info(&pf->pdev->dev, 1381 "AQ command send failed Opcode %x Status: %d\n", 1382 desc->opcode, ret); 1383 } 1384 dev_info(&pf->pdev->dev, 1385 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1386 desc->flags, desc->opcode, desc->datalen, desc->retval, 1387 desc->cookie_high, desc->cookie_low, 1388 desc->params.internal.param0, 1389 desc->params.internal.param1, 1390 desc->params.internal.param2, 1391 desc->params.internal.param3); 1392 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1393 DUMP_PREFIX_OFFSET, 16, 1, 1394 buff, buffer_len, true); 1395 kfree(buff); 1396 buff = NULL; 1397 kfree(desc); 1398 desc = NULL; 1399 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1400 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1401 i40e_get_current_fd_count(pf)); 1402 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1403 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1404 int ret; 1405 1406 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL); 1407 if (ret) { 1408 dev_info(&pf->pdev->dev, 1409 "Stop LLDP AQ command failed =0x%x\n", 1410 pf->hw.aq.asq_last_status); 1411 goto command_write_done; 1412 } 1413 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1414 pf->hw.mac.addr, 1415 ETH_P_LLDP, 0, 1416 pf->vsi[pf->lan_vsi]->seid, 1417 0, true, NULL, NULL); 1418 if (ret) { 1419 dev_info(&pf->pdev->dev, 1420 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1421 __func__, pf->hw.aq.asq_last_status); 1422 goto command_write_done; 1423 } 1424 #ifdef CONFIG_I40E_DCB 1425 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1426 DCB_CAP_DCBX_VER_IEEE; 1427 #endif /* CONFIG_I40E_DCB */ 1428 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1429 int ret; 1430 1431 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1432 pf->hw.mac.addr, 1433 ETH_P_LLDP, 0, 1434 pf->vsi[pf->lan_vsi]->seid, 1435 0, false, NULL, NULL); 1436 if (ret) { 1437 dev_info(&pf->pdev->dev, 1438 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1439 __func__, pf->hw.aq.asq_last_status); 1440 /* Continue and start FW LLDP anyways */ 1441 } 1442 1443 ret = i40e_aq_start_lldp(&pf->hw, false, NULL); 1444 if (ret) { 1445 dev_info(&pf->pdev->dev, 1446 "Start LLDP AQ command failed =0x%x\n", 1447 pf->hw.aq.asq_last_status); 1448 goto command_write_done; 1449 } 1450 #ifdef CONFIG_I40E_DCB 1451 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1452 DCB_CAP_DCBX_VER_IEEE; 1453 #endif /* CONFIG_I40E_DCB */ 1454 } else if (strncmp(&cmd_buf[5], 1455 "get local", 9) == 0) { 1456 u16 llen, rlen; 1457 int ret; 1458 u8 *buff; 1459 1460 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1461 if (!buff) 1462 goto command_write_done; 1463 1464 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1465 I40E_AQ_LLDP_MIB_LOCAL, 1466 buff, I40E_LLDPDU_SIZE, 1467 &llen, &rlen, NULL); 1468 if (ret) { 1469 dev_info(&pf->pdev->dev, 1470 "Get LLDP MIB (local) 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 (local)\n"); 1477 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 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], "get remote", 10) == 0) { 1483 u16 llen, rlen; 1484 int ret; 1485 u8 *buff; 1486 1487 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1488 if (!buff) 1489 goto command_write_done; 1490 1491 ret = i40e_aq_get_lldp_mib(&pf->hw, 1492 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1493 I40E_AQ_LLDP_MIB_REMOTE, 1494 buff, I40E_LLDPDU_SIZE, 1495 &llen, &rlen, NULL); 1496 if (ret) { 1497 dev_info(&pf->pdev->dev, 1498 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1499 pf->hw.aq.asq_last_status); 1500 kfree(buff); 1501 buff = NULL; 1502 goto command_write_done; 1503 } 1504 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1505 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1506 DUMP_PREFIX_OFFSET, 16, 1, 1507 buff, I40E_LLDPDU_SIZE, true); 1508 kfree(buff); 1509 buff = NULL; 1510 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1511 int ret; 1512 1513 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1514 true, NULL); 1515 if (ret) { 1516 dev_info(&pf->pdev->dev, 1517 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1518 pf->hw.aq.asq_last_status); 1519 goto command_write_done; 1520 } 1521 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1522 int ret; 1523 1524 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1525 false, NULL); 1526 if (ret) { 1527 dev_info(&pf->pdev->dev, 1528 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1529 pf->hw.aq.asq_last_status); 1530 goto command_write_done; 1531 } 1532 } 1533 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1534 u16 buffer_len, bytes; 1535 u16 module; 1536 u32 offset; 1537 u16 *buff; 1538 int ret; 1539 1540 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1541 &module, &offset, &buffer_len); 1542 if (cnt == 0) { 1543 module = 0; 1544 offset = 0; 1545 buffer_len = 0; 1546 } else if (cnt == 1) { 1547 offset = 0; 1548 buffer_len = 0; 1549 } else if (cnt == 2) { 1550 buffer_len = 0; 1551 } else if (cnt > 3) { 1552 dev_info(&pf->pdev->dev, 1553 "nvm read: bad command string, cnt=%d\n", cnt); 1554 goto command_write_done; 1555 } 1556 1557 /* set the max length */ 1558 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1559 1560 bytes = 2 * buffer_len; 1561 1562 /* read at least 1k bytes, no more than 4kB */ 1563 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1564 buff = kzalloc(bytes, GFP_KERNEL); 1565 if (!buff) 1566 goto command_write_done; 1567 1568 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1569 if (ret) { 1570 dev_info(&pf->pdev->dev, 1571 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1572 ret, pf->hw.aq.asq_last_status); 1573 kfree(buff); 1574 goto command_write_done; 1575 } 1576 1577 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1578 bytes, (u8 *)buff, true, NULL); 1579 i40e_release_nvm(&pf->hw); 1580 if (ret) { 1581 dev_info(&pf->pdev->dev, 1582 "Read NVM AQ failed err=%d status=0x%x\n", 1583 ret, pf->hw.aq.asq_last_status); 1584 } else { 1585 dev_info(&pf->pdev->dev, 1586 "Read NVM module=0x%x offset=0x%x words=%d\n", 1587 module, offset, buffer_len); 1588 if (bytes) 1589 print_hex_dump(KERN_INFO, "NVM Dump: ", 1590 DUMP_PREFIX_OFFSET, 16, 2, 1591 buff, bytes, true); 1592 } 1593 kfree(buff); 1594 buff = NULL; 1595 } else { 1596 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1597 dev_info(&pf->pdev->dev, "available commands\n"); 1598 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1599 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1600 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1601 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1602 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1603 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1604 dev_info(&pf->pdev->dev, " dump switch\n"); 1605 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1606 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1607 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1608 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1609 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1610 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1611 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1612 dev_info(&pf->pdev->dev, " read <reg>\n"); 1613 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1614 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1615 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1616 dev_info(&pf->pdev->dev, " pfr\n"); 1617 dev_info(&pf->pdev->dev, " corer\n"); 1618 dev_info(&pf->pdev->dev, " globr\n"); 1619 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1620 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1621 dev_info(&pf->pdev->dev, " fd current cnt"); 1622 dev_info(&pf->pdev->dev, " lldp start\n"); 1623 dev_info(&pf->pdev->dev, " lldp stop\n"); 1624 dev_info(&pf->pdev->dev, " lldp get local\n"); 1625 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1626 dev_info(&pf->pdev->dev, " lldp event on\n"); 1627 dev_info(&pf->pdev->dev, " lldp event off\n"); 1628 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1629 } 1630 1631 command_write_done: 1632 kfree(cmd_buf); 1633 cmd_buf = NULL; 1634 return count; 1635 } 1636 1637 static const struct file_operations i40e_dbg_command_fops = { 1638 .owner = THIS_MODULE, 1639 .open = simple_open, 1640 .read = i40e_dbg_command_read, 1641 .write = i40e_dbg_command_write, 1642 }; 1643 1644 /************************************************************** 1645 * netdev_ops 1646 * The netdev_ops entry in debugfs is for giving the driver commands 1647 * to be executed from the netdev operations. 1648 **************************************************************/ 1649 static char i40e_dbg_netdev_ops_buf[256] = ""; 1650 1651 /** 1652 * i40e_dbg_netdev_ops_read - read for netdev_ops datum 1653 * @filp: the opened file 1654 * @buffer: where to write the data for the user to read 1655 * @count: the size of the user's buffer 1656 * @ppos: file position offset 1657 **/ 1658 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1659 size_t count, loff_t *ppos) 1660 { 1661 struct i40e_pf *pf = filp->private_data; 1662 int bytes_not_copied; 1663 int buf_size = 256; 1664 char *buf; 1665 int len; 1666 1667 /* don't allow partal reads */ 1668 if (*ppos != 0) 1669 return 0; 1670 if (count < buf_size) 1671 return -ENOSPC; 1672 1673 buf = kzalloc(buf_size, GFP_KERNEL); 1674 if (!buf) 1675 return -ENOSPC; 1676 1677 len = snprintf(buf, buf_size, "%s: %s\n", 1678 pf->vsi[pf->lan_vsi]->netdev->name, 1679 i40e_dbg_netdev_ops_buf); 1680 1681 bytes_not_copied = copy_to_user(buffer, buf, len); 1682 kfree(buf); 1683 1684 if (bytes_not_copied) 1685 return -EFAULT; 1686 1687 *ppos = len; 1688 return len; 1689 } 1690 1691 /** 1692 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1693 * @filp: the opened file 1694 * @buffer: where to find the user's data 1695 * @count: the length of the user's data 1696 * @ppos: file position offset 1697 **/ 1698 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1699 const char __user *buffer, 1700 size_t count, loff_t *ppos) 1701 { 1702 struct i40e_pf *pf = filp->private_data; 1703 int bytes_not_copied; 1704 struct i40e_vsi *vsi; 1705 char *buf_tmp; 1706 int vsi_seid; 1707 int i, cnt; 1708 1709 /* don't allow partial writes */ 1710 if (*ppos != 0) 1711 return 0; 1712 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1713 return -ENOSPC; 1714 1715 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1716 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1717 buffer, count); 1718 if (bytes_not_copied) 1719 return -EFAULT; 1720 i40e_dbg_netdev_ops_buf[count] = '\0'; 1721 1722 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1723 if (buf_tmp) { 1724 *buf_tmp = '\0'; 1725 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1726 } 1727 1728 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1729 int mtu; 1730 1731 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1732 &vsi_seid, &mtu); 1733 if (cnt != 2) { 1734 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1735 goto netdev_ops_write_done; 1736 } 1737 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1738 if (!vsi) { 1739 dev_info(&pf->pdev->dev, 1740 "change_mtu: VSI %d not found\n", vsi_seid); 1741 } else if (!vsi->netdev) { 1742 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1743 vsi_seid); 1744 } else if (rtnl_trylock()) { 1745 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1746 mtu); 1747 rtnl_unlock(); 1748 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1749 } else { 1750 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1751 } 1752 1753 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1754 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1755 if (cnt != 1) { 1756 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1757 goto netdev_ops_write_done; 1758 } 1759 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1760 if (!vsi) { 1761 dev_info(&pf->pdev->dev, 1762 "set_rx_mode: VSI %d not found\n", vsi_seid); 1763 } else if (!vsi->netdev) { 1764 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1765 vsi_seid); 1766 } else if (rtnl_trylock()) { 1767 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1768 rtnl_unlock(); 1769 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1770 } else { 1771 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1772 } 1773 1774 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1775 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1776 if (cnt != 1) { 1777 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1778 goto netdev_ops_write_done; 1779 } 1780 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1781 if (!vsi) { 1782 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1783 vsi_seid); 1784 } else if (!vsi->netdev) { 1785 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1786 vsi_seid); 1787 } else { 1788 for (i = 0; i < vsi->num_q_vectors; i++) 1789 napi_schedule(&vsi->q_vectors[i]->napi); 1790 dev_info(&pf->pdev->dev, "napi called\n"); 1791 } 1792 } else { 1793 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1794 i40e_dbg_netdev_ops_buf); 1795 dev_info(&pf->pdev->dev, "available commands\n"); 1796 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1797 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1798 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1799 } 1800 netdev_ops_write_done: 1801 return count; 1802 } 1803 1804 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1805 .owner = THIS_MODULE, 1806 .open = simple_open, 1807 .read = i40e_dbg_netdev_ops_read, 1808 .write = i40e_dbg_netdev_ops_write, 1809 }; 1810 1811 /** 1812 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1813 * @pf: the PF that is starting up 1814 **/ 1815 void i40e_dbg_pf_init(struct i40e_pf *pf) 1816 { 1817 const char *name = pci_name(pf->pdev); 1818 1819 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1820 1821 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1822 &i40e_dbg_command_fops); 1823 1824 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1825 &i40e_dbg_netdev_ops_fops); 1826 } 1827 1828 /** 1829 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1830 * @pf: the PF that is stopping 1831 **/ 1832 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1833 { 1834 debugfs_remove_recursive(pf->i40e_dbg_pf); 1835 pf->i40e_dbg_pf = NULL; 1836 } 1837 1838 /** 1839 * i40e_dbg_init - start up debugfs for the driver 1840 **/ 1841 void i40e_dbg_init(void) 1842 { 1843 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1844 if (!i40e_dbg_root) 1845 pr_info("init of debugfs failed\n"); 1846 } 1847 1848 /** 1849 * i40e_dbg_exit - clean out the driver's debugfs entries 1850 **/ 1851 void i40e_dbg_exit(void) 1852 { 1853 debugfs_remove_recursive(i40e_dbg_root); 1854 i40e_dbg_root = NULL; 1855 } 1856 1857 #endif /* CONFIG_DEBUG_FS */ 1858